/*
 * Linux cfg80211 driver
 *
 * Copyright (C) 1999-2019, Broadcom.
 *
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 *
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 *
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: wl_cfg80211.c 826086 2019-06-18 19:23:59Z $
 */
/* */
#include <typedefs.h>
#include <linuxver.h>
#include <linux/kernel.h>

#include <bcmutils.h>
#include <bcmstdlib_s.h>
#include <bcmwifi_channels.h>
#include <bcmendian.h>
#include <ethernet.h>
#ifdef WL_WPS_SYNC
#include <eapol.h>
#endif /* WL_WPS_SYNC */
#include <802.11.h>
#include <bcmiov.h>
#include <linux/if_arp.h>
#include <asm/uaccess.h>

#include <ethernet.h>
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/netdevice.h>
#include <linux/sched.h>
#include <linux/etherdevice.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
#include <linux/wait.h>
#include <net/cfg80211.h>
#include <net/rtnetlink.h>

#include <wlioctl.h>
#include <bcmevent.h>
#include <wldev_common.h>
#include <wl_cfg80211.h>
#include <wl_cfgp2p.h>
#include <wl_cfgscan.h>
#include <bcmdevs.h>
#ifdef WL_FILS
#include <fils.h>
#include <frag.h>
#endif /* WL_FILS */
#include <wl_android.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <dhd_linux.h>
#include <dhd_linux_pktdump.h>
#include <dhd_debug.h>
#include <dhdioctl.h>
#include <wlioctl.h>
#include <dhd_cfg80211.h>
#include <dhd_bus.h>
#ifdef PNO_SUPPORT
#include <dhd_pno.h>
#endif /* PNO_SUPPORT */
#include <wl_cfgvendor.h>

#if !defined(WL_VENDOR_EXT_SUPPORT)
#undef GSCAN_SUPPORT
#endif
#include <dhd_config.h>

#ifdef WL_NAN
#include <wl_cfgnan.h>
#endif /* WL_NAN */

#ifdef PROP_TXSTATUS
#include <dhd_wlfc.h>
#endif // endif

#ifdef BCMPCIE
#include <dhd_flowring.h>
#endif // endif
#ifdef RTT_SUPPORT
#include <dhd_rtt.h>
#endif /* RTT_SUPPORT */

#define BRCM_SAE_VENDOR_EVENT_BUF_LEN 500

#ifdef DNGL_AXI_ERROR_LOGGING
#include <bcmtlv.h>
#endif /* DNGL_AXI_ERROR_LOGGING */

#if defined(CONFIG_WLAN_BEYONDX) || defined(CONFIG_SEC_5GMODEL)
#include <linux/dev_ril_bridge.h>
#include <linux/notifier.h>
#endif /* CONFIG_WLAN_BEYONDX || defined(CONFIG_SEC_5GMODEL) */

#ifdef BCMWAPI_WPI
/* these items should evetually go into wireless.h of the linux system headfile dir */
#ifndef IW_ENCODE_ALG_SM4
#define IW_ENCODE_ALG_SM4 0x20
#endif // endif

#ifndef IW_AUTH_WAPI_ENABLED
#define IW_AUTH_WAPI_ENABLED 0x20
#endif // endif

#ifndef IW_AUTH_WAPI_VERSION_1
#define IW_AUTH_WAPI_VERSION_1  0x00000008
#endif // endif

#ifndef IW_AUTH_CIPHER_SMS4
#define IW_AUTH_CIPHER_SMS4     0x00000020
#endif // endif

#ifndef IW_AUTH_KEY_MGMT_WAPI_PSK
#define IW_AUTH_KEY_MGMT_WAPI_PSK 4
#endif // endif

#ifndef IW_AUTH_KEY_MGMT_WAPI_CERT
#define IW_AUTH_KEY_MGMT_WAPI_CERT 8
#endif // endif
#endif /* BCMWAPI_WPI */

#ifdef BCMWAPI_WPI
#define IW_WSEC_ENABLED(wsec)   ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED | SMS4_ENABLED))
#else /* BCMWAPI_WPI */
#define IW_WSEC_ENABLED(wsec)   ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
#endif /* BCMWAPI_WPI */

#if (defined(WL_FW_OCE_AP_SELECT) || defined(BCMFW_ROAM_ENABLE) && ((LINUX_VERSION_CODE \
	>= KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)))
uint fw_ap_select = true;
#else
uint fw_ap_select = false;
#endif /* WL_FW_OCE_AP_SELECT && (ROAM_ENABLE || BCMFW_ROAM_ENABLE) */
module_param(fw_ap_select, uint, 0660);

static struct device *cfg80211_parent_dev = NULL;
static struct bcm_cfg80211 *g_bcmcfg = NULL;
u32 wl_dbg_level = WL_DBG_ERR; // | WL_DBG_P2P_ACTION | WL_DBG_INFO;

#define	MAX_VIF_OFFSET	15
#define MAX_WAIT_TIME 1500
#ifdef WLAIBSS_MCHAN
#define IBSS_IF_NAME "ibss%d"
#endif /* WLAIBSS_MCHAN */

#ifdef VSDB
/* sleep time to keep STA's connecting or connection for continuous af tx or finding a peer */
#define DEFAULT_SLEEP_TIME_VSDB		120
#define OFF_CHAN_TIME_THRESHOLD_MS	200
#define AF_RETRY_DELAY_TIME			40

/* if sta is connected or connecting, sleep for a while before retry af tx or finding a peer */
#define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg)	\
	do {	\
		if (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg)) ||	\
			wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) {	\
			OSL_SLEEP(DEFAULT_SLEEP_TIME_VSDB);			\
		}	\
	} while (0)
#else /* VSDB */
/* if not VSDB, do nothing */
#define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg)
#endif /* VSDB */

#define DNGL_FUNC(func, parameters) func parameters
#define COEX_DHCP

#define WLAN_EID_SSID	0
#define CH_MIN_5G_CHANNEL 34

#ifdef WL_RELMCAST
enum rmc_event_type {
	RMC_EVENT_NONE,
	RMC_EVENT_LEADER_CHECK_FAIL
};
#endif /* WL_RELMCAST */

/* This is to override regulatory domains defined in cfg80211 module (reg.c)
 * By default world regulatory domain defined in reg.c puts the flags NL80211_RRF_PASSIVE_SCAN
 * and NL80211_RRF_NO_IBSS for 5GHz channels (for 36..48 and 149..165).
 * With respect to these flags, wpa_supplicant doesn't start p2p operations on 5GHz channels.
 * All the chnages in world regulatory domain are to be done here.
 *
 * this definition reuires disabling missing-field-initializer warning
 * as the ieee80211_regdomain definition differs in plain linux and in Android
 */
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
	4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wmissing-field-initializers\"")
#endif // endif
static const struct ieee80211_regdomain brcm_regdom = {
	.n_reg_rules = 4,
	.alpha2 =  "99",
	.reg_rules = {
		/* IEEE 802.11b/g, channels 1..11 */
		REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
		/* If any */
		/* IEEE 802.11 channel 14 - Only JP enables
		 * this and for 802.11b only
		 */
		REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
		/* IEEE 802.11a, channel 36..64 */
		REG_RULE(5150-10, 5350+10, 40, 6, 20, 0),
		/* IEEE 802.11a, channel 100..165 */
		REG_RULE(5470-10, 5850+10, 40, 6, 20, 0), }
};
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
	4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \
	(defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF))
static const struct ieee80211_iface_limit common_if_limits[] = {
	{
	/*
	 * Driver can support up to 2 AP's
	 */
	.max = 2,
	.types = BIT(NL80211_IFTYPE_AP),
	},
	{
	/*
	 * During P2P-GO removal, P2P-GO is first changed to STA and later only
	 * removed. So setting maximum possible number of STA interfaces according
	 * to kernel version.
	 *
	 * less than linux-3.8 - max:3 (wlan0 + p2p0 + group removal of p2p-p2p0-x)
	 * linux-3.8 and above - max:4
	 * sta + NAN NMI + NAN DPI open + NAN DPI sec (since there is no iface type
	 * for NAN defined, registering it as STA type)
	 */
#ifdef WL_ENABLE_P2P_IF
	.max = 5,
#else
	.max = 4,
#endif /* WL_ENABLE_P2P_IF */
	.types = BIT(NL80211_IFTYPE_STATION),
	},
	{
	.max = 2,
	.types = BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT),
	},
#if defined(WL_CFG80211_P2P_DEV_IF)
	{
	.max = 1,
	.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
	},
#endif /* WL_CFG80211_P2P_DEV_IF */
	{
	.max = 1,
	.types = BIT(NL80211_IFTYPE_ADHOC),
	},
};

#define NUM_DIFF_CHANNELS 2

static const struct ieee80211_iface_combination
common_iface_combinations[] = {
	{
	.num_different_channels = NUM_DIFF_CHANNELS,
	/*
	 * At Max 5 network interfaces can be registered concurrently
	 */
	.max_interfaces = IFACE_MAX_CNT,
	.limits = common_if_limits,
	.n_limits = ARRAY_SIZE(common_if_limits),
	},
};
#endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */

static const char *wl_if_state_strs[WL_IF_STATE_MAX + 1] = {
	"WL_IF_CREATE_REQ",
	"WL_IF_CREATE_DONE",
	"WL_IF_DELETE_REQ",
	"WL_IF_DELETE_DONE",
	"WL_IF_CHANGE_REQ",
	"WL_IF_CHANGE_DONE",
	"WL_IF_STATE_MAX"
};

#ifdef BCMWAPI_WPI
#if defined(ANDROID_PLATFORM_VERSION) && (ANDROID_PLATFORM_VERSION >= 8)
/* WAPI define in ieee80211.h is used */
#else
#undef WLAN_AKM_SUITE_WAPI_PSK
#define WLAN_AKM_SUITE_WAPI_PSK         0x000FAC04

#undef WLAN_AKM_SUITE_WAPI_CERT
#define WLAN_AKM_SUITE_WAPI_CERT        0x000FAC12

#undef NL80211_WAPI_VERSION_1
#define NL80211_WAPI_VERSION_1			1 << 2
#endif /* ANDROID_PLATFORM_VERSION && ANDROID_PLATFORM_VERSION >= 8 */
#endif /* BCMWAPI_WPI */

/* Data Element Definitions */
#define WPS_ID_CONFIG_METHODS     0x1008
#define WPS_ID_REQ_TYPE           0x103A
#define WPS_ID_DEVICE_NAME        0x1011
#define WPS_ID_VERSION            0x104A
#define WPS_ID_DEVICE_PWD_ID      0x1012
#define WPS_ID_REQ_DEV_TYPE       0x106A
#define WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS 0x1053
#define WPS_ID_PRIM_DEV_TYPE      0x1054

/* Device Password ID */
#define DEV_PW_DEFAULT 0x0000
#define DEV_PW_USER_SPECIFIED 0x0001,
#define DEV_PW_MACHINE_SPECIFIED 0x0002
#define DEV_PW_REKEY 0x0003
#define DEV_PW_PUSHBUTTON 0x0004
#define DEV_PW_REGISTRAR_SPECIFIED 0x0005

/* Config Methods */
#define WPS_CONFIG_USBA 0x0001
#define WPS_CONFIG_ETHERNET 0x0002
#define WPS_CONFIG_LABEL 0x0004
#define WPS_CONFIG_DISPLAY 0x0008
#define WPS_CONFIG_EXT_NFC_TOKEN 0x0010
#define WPS_CONFIG_INT_NFC_TOKEN 0x0020
#define WPS_CONFIG_NFC_INTERFACE 0x0040
#define WPS_CONFIG_PUSHBUTTON 0x0080
#define WPS_CONFIG_KEYPAD 0x0100
#define WPS_CONFIG_VIRT_PUSHBUTTON 0x0280
#define WPS_CONFIG_PHY_PUSHBUTTON 0x0480
#define WPS_CONFIG_VIRT_DISPLAY 0x2008
#define WPS_CONFIG_PHY_DISPLAY 0x4008

#define PM_BLOCK 1
#define PM_ENABLE 0

/* GCMP crypto supported above kernel v4.0 */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 0, 0))
#define WL_GCMP
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(4, 0, 0) */

#ifndef IBSS_COALESCE_ALLOWED
#define IBSS_COALESCE_ALLOWED IBSS_COALESCE_DEFAULT
#endif // endif

#ifndef IBSS_INITIAL_SCAN_ALLOWED
#define IBSS_INITIAL_SCAN_ALLOWED IBSS_INITIAL_SCAN_ALLOWED_DEFAULT
#endif // endif

#define CUSTOM_RETRY_MASK 0xff000000 /* Mask for retry counter of custom dwell time */
#define LONG_LISTEN_TIME 2000

#ifdef RTT_SUPPORT
static s32 wl_cfg80211_rtt_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data);
#endif /* RTT_SUPPORT */
#ifdef WL_CHAN_UTIL
static s32 wl_cfg80211_bssload_report_event_handler(struct bcm_cfg80211 *cfg,
	bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
static s32 wl_cfg80211_start_bssload_report(struct net_device *ndev);
#endif /* WL_CHAN_UTIL */

#ifdef SUPPORT_AP_RADIO_PWRSAVE
#define RADIO_PWRSAVE_PPS					10
#define RADIO_PWRSAVE_QUIET_TIME			10
#define RADIO_PWRSAVE_LEVEL				3
#define RADIO_PWRSAVE_STAS_ASSOC_CHECK	0

#define RADIO_PWRSAVE_LEVEL_MIN				1
#define RADIO_PWRSAVE_LEVEL_MAX				9
#define RADIO_PWRSAVE_PPS_MIN					1
#define RADIO_PWRSAVE_QUIETTIME_MIN			1
#define RADIO_PWRSAVE_ASSOCCHECK_MIN		0
#define RADIO_PWRSAVE_ASSOCCHECK_MAX		1

#define RADIO_PWRSAVE_MAJOR_VER 1
#define RADIO_PWRSAVE_MINOR_VER 1
#define RADIO_PWRSAVE_MAJOR_VER_SHIFT 8
#define RADIO_PWRSAVE_VERSION \
	((RADIO_PWRSAVE_MAJOR_VER << RADIO_PWRSAVE_MAJOR_VER_SHIFT)| RADIO_PWRSAVE_MINOR_VER)
#endif /* SUPPORT_AP_RADIO_PWRSAVE */

/* SoftAP related parameters */
#define DEFAULT_2G_SOFTAP_CHANNEL	1
#define DEFAULT_5G_SOFTAP_CHANNEL	149
#define WL_MAX_NUM_CSA_COUNTERS		255

#define MAX_VNDR_OUI_STR_LEN	256u
#define VNDR_OUI_STR_LEN	10u
#define DOT11_DISCONNECT_RC     2u
static const uchar *exclude_vndr_oui_list[] = {
	"\x00\x50\xf2",			/* Microsoft */
	"\x00\x00\xf0",			/* Samsung Elec */
	WFA_OUI,			/* WFA */
	NULL
};

typedef struct wl_vndr_oui_entry {
	uchar oui[DOT11_OUI_LEN];
	struct list_head list;
} wl_vndr_oui_entry_t;

#if defined(WL_DISABLE_HE_SOFTAP) || defined(WL_DISABLE_HE_P2P) || \
	defined(SUPPORT_AP_BWCTRL)
#define WL_HE_FEATURES_HE_AP		0x8
#define WL_HE_FEATURES_HE_P2P		0x20
#endif // endif

static int wl_vndr_ies_get_vendor_oui(struct bcm_cfg80211 *cfg,
		struct net_device *ndev, char *vndr_oui, u32 vndr_oui_len);
static void wl_vndr_ies_clear_vendor_oui_list(struct bcm_cfg80211 *cfg);
static s32 wl_cfg80211_parse_vndr_ies(const u8 *parse, u32 len,
		struct parsed_vndr_ies *vndr_ies);

#if defined(WL_FW_OCE_AP_SELECT)
static bool
wl_cfgoce_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type);

/* Check whether the given IE looks like WFA OCE IE. */
#define wl_cfgoce_is_oce_ie(ie, tlvs, len)      wl_cfgoce_has_ie(ie, tlvs, len, \
	(const uint8 *)WFA_OUI, WFA_OUI_LEN, WFA_OUI_TYPE_MBO_OCE)

/* Is any of the tlvs the expected entry? If
 * not update the tlvs buffer pointer/length.
 */
static bool
wl_cfgoce_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type)
{
	/* If the contents match the OUI and the type */
	if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
			!bcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
			type == ie[TLV_BODY_OFF + oui_len]) {
		return TRUE;
	}

	return FALSE;
}
#endif /* WL_FW_OCE_AP_SELECT */

/*
 * cfg80211_ops api/callback list
 */
static s32 wl_frame_get_mgmt(struct bcm_cfg80211 *cfg, u16 fc,
	const struct ether_addr *da, const struct ether_addr *sa,
	const struct ether_addr *bssid, u8 **pheader, u32 *body_len, u8 *pbody);
static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed);
#ifdef WLAIBSS_MCHAN
static bcm_struct_cfgdev* bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name);
static s32 bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev);
#endif /* WLAIBSS_MCHAN */
static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_ibss_params *params);
static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy,
	struct net_device *dev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_get_station(struct wiphy *wiphy,
	struct net_device *dev, const u8 *mac,
	struct station_info *sinfo);
#else
static s32 wl_cfg80211_get_station(struct wiphy *wiphy,
	struct net_device *dev, u8 *mac,
	struct station_info *sinfo);
#endif // endif
static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
	struct net_device *dev, bool enabled,
	s32 timeout);
static int wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_connect_params *sme);
#if defined(WL_FILS)
static int wl_cfg80211_update_connect_params(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_connect_params *sme, u32 changed);
#endif /* WL_FILS */
static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
	u16 reason_code);
#if defined(WL_CFG80211_P2P_DEV_IF)
static s32
wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
	enum nl80211_tx_power_setting type, s32 mbm);
#else
static s32
wl_cfg80211_set_tx_power(struct wiphy *wiphy,
	enum nl80211_tx_power_setting type, s32 dbm);
#endif /* WL_CFG80211_P2P_DEV_IF */
#if defined(WL_CFG80211_P2P_DEV_IF)
static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy,
	struct wireless_dev *wdev, s32 *dbm);
#else
static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm);
#endif /* WL_CFG80211_P2P_DEV_IF */
static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy,
	struct net_device *dev,
	u8 key_idx, bool unicast, bool multicast);
static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, bool pairwise, const u8 *mac_addr,
	struct key_params *params);
static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, bool pairwise, const u8 *mac_addr);
static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, bool pairwise, const u8 *mac_addr,
	void *cookie, void (*callback) (void *cookie,
	struct key_params *params));
static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
	struct net_device *dev,	u8 key_idx);
static s32 wl_cfg80211_resume(struct wiphy *wiphy);
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
	2, 0))
static s32 wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
	bcm_struct_cfgdev *cfgdev, u64 cookie);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
static s32 wl_cfg80211_del_station(
		struct wiphy *wiphy, struct net_device *ndev,
		struct station_del_parameters *params);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_del_station(struct wiphy *wiphy,
	struct net_device *ndev, const u8* mac_addr);
#else
static s32 wl_cfg80211_del_station(struct wiphy *wiphy,
	struct net_device *ndev, u8* mac_addr);
#endif // endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_change_station(struct wiphy *wiphy,
	struct net_device *dev, const u8 *mac, struct station_parameters *params);
#else
static s32 wl_cfg80211_change_station(struct wiphy *wiphy,
	struct net_device *dev, u8 *mac, struct station_parameters *params);
#endif // endif
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
#else
static s32 wl_cfg80211_suspend(struct wiphy *wiphy);
#endif // endif
static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_pmksa *pmksa);
static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_pmksa *pmksa);
static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy,
	struct net_device *dev);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
#if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \
	KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
	u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
	u32 peer_capability, const u8 *buf, size_t len);
#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \
		(LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)))
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
	const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
	u32 peer_capability, const u8 *buf, size_t len);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
       const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
       u32 peer_capability, bool initiator, const u8 *buf, size_t len);
#else /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
	u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
	const u8 *buf, size_t len);
#endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
	const u8 *peer, enum nl80211_tdls_operation oper);
#else
static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
	u8 *peer, enum nl80211_tdls_operation oper);
#endif // endif
#endif /* LINUX_VERSION > KERNEL_VERSION(3,2,0) || WL_COMPAT_WIRELESS */
static s32 wl_cfg80211_set_ap_role(struct bcm_cfg80211 *cfg, struct net_device *dev);

struct wireless_dev *
wl_cfg80211_create_iface(struct wiphy *wiphy, wl_iftype_t
	iface_type, u8 *mac_addr, const char *name);
s32
wl_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev);

s32 wl_cfg80211_interface_ops(struct bcm_cfg80211 *cfg,
	struct net_device *ndev, s32 bsscfg_idx,
	wl_iftype_t iftype, s32 del, u8 *addr);
s32 wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg,
	struct net_device *ndev, s32 bsscfg_idx,
	wl_iftype_t brcm_iftype, s32 del, u8 *addr);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
static s32 wl_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */
#ifdef GTK_OFFLOAD_SUPPORT
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
static s32 wl_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_gtk_rekey_data *data);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */
#endif /* GTK_OFFLOAD_SUPPORT */
chanspec_t wl_chspec_driver_to_host(chanspec_t chanspec);
chanspec_t wl_chspec_host_to_driver(chanspec_t chanspec);
static void wl_cfg80211_wait_for_disconnection(struct bcm_cfg80211 *cfg, struct net_device *dev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
int wl_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
        struct cfg80211_csa_settings *params);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0))
static int wl_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev,
        const struct cfg80211_pmk_conf *conf);
static int wl_cfg80211_del_pmk(struct wiphy *wiphy, struct net_device *dev,
        const u8 *aa);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) */

/*
 * event & event Q handlers for cfg80211 interfaces
 */
static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg);
static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg);
static void wl_event_handler(struct work_struct *work_data);
static void wl_init_eq(struct bcm_cfg80211 *cfg);
static void wl_flush_eq(struct bcm_cfg80211 *cfg);
static unsigned long wl_lock_eq(struct bcm_cfg80211 *cfg);
static void wl_unlock_eq(struct bcm_cfg80211 *cfg, unsigned long flags);
static void wl_init_eq_lock(struct bcm_cfg80211 *cfg);
static void wl_init_event_handler(struct bcm_cfg80211 *cfg);
static struct wl_event_q *wl_deq_event(struct bcm_cfg80211 *cfg);
static s32 wl_enq_event(struct bcm_cfg80211 *cfg, struct net_device *ndev, u32 type,
	const wl_event_msg_t *msg, void *data);
static void wl_put_event(struct bcm_cfg80211 *cfg, struct wl_event_q *e);
static s32 wl_notify_connect_status_ap(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data);
static s32 wl_notify_connect_status(struct bcm_cfg80211 *cfg,
	bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
static s32 wl_notify_roaming_status(struct bcm_cfg80211 *cfg,
	bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
static s32 wl_bss_connect_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data, bool completed);
static s32 wl_bss_roaming_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data);
static s32 wl_notify_mic_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data);
#ifdef BT_WIFI_HANDOVER
static s32 wl_notify_bt_wifi_handover_req(struct bcm_cfg80211 *cfg,
	bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
#endif /* BT_WIFI_HANDOVER */
#ifdef GSCAN_SUPPORT
static s32 wl_handle_roam_exp_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data);
#endif /* GSCAN_SUPPORT */
#ifdef RSSI_MONITOR_SUPPORT
static s32 wl_handle_rssi_monitor_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data);
#endif /* RSSI_MONITOR_SUPPORT */
static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info,
	enum wl_status state, bool set);
#ifdef CUSTOM_EVENT_PM_WAKE
static s32 wl_check_pmstatus(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data);
#endif	/* CUSTOM_EVENT_PM_WAKE */
#if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON)
static s32 wl_notify_roam_prep_status(struct bcm_cfg80211 *cfg,
	bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
#endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */
#ifdef DHD_LOSSLESS_ROAMING
static void wl_del_roam_timeout(struct bcm_cfg80211 *cfg);
#endif /* DHD_LOSSLESS_ROAMING */

#ifdef WL_MBO
static s32
wl_mbo_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data);
#endif /* WL_MBO */

/*
 * register/deregister parent device
 */
static void wl_cfg80211_clear_parent_dev(void);
/*
 * ioctl utilites
 */

/*
 * cfg80211 set_wiphy_params utilities
 */
static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold);
static s32 wl_set_rts(struct net_device *dev, u32 frag_threshold);
static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l);

/*
 * cfg profile utilities
 */
static s32 wl_update_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, const void *data, s32 item);
static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev);

/*
 * cfg80211 connect utilites
 */
static s32 wl_set_wpa_version(struct net_device *dev,
	struct cfg80211_connect_params *sme);
static s32 wl_set_auth_type(struct net_device *dev,
	struct cfg80211_connect_params *sme);
static s32 wl_set_set_cipher(struct net_device *dev,
	struct cfg80211_connect_params *sme);
static s32 wl_set_key_mgmt(struct net_device *dev,
	struct cfg80211_connect_params *sme);
static s32 wl_set_set_sharedkey(struct net_device *dev,
	struct cfg80211_connect_params *sme);
#ifdef WL_FILS
static s32 wl_set_fils_params(struct net_device *dev,
	struct cfg80211_connect_params *sme);
#endif // endif
#ifdef BCMWAPI_WPI
static s32 wl_set_set_wapi_ie(struct net_device *dev,
	struct cfg80211_connect_params *sme);
#endif // endif
#ifdef WL_GCMP
static s32 wl_set_wsec_info_algos(struct net_device *dev, uint32 algos, uint32 mask);
#endif /* WL_GCMP */
static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev);
static s32 wl_ch_to_chanspec(struct net_device *dev, int ch,
	struct wl_join_params *join_params, size_t *join_params_size);
void wl_cfg80211_clear_security(struct bcm_cfg80211 *cfg);

/*
 * information element utilities
 */
static void wl_rst_ie(struct bcm_cfg80211 *cfg);
static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v);
static void wl_update_hidden_ap_ie(wl_bss_info_t *bi, const u8 *ie_stream, u32 *ie_size,
	bool update_ssid);
static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size);
static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size);
static u32 wl_get_ielen(struct bcm_cfg80211 *cfg);
#ifdef MFP
static int wl_cfg80211_get_rsn_capa(const bcm_tlv_t *wpa2ie, const u8** rsn_cap);
#endif // endif

static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *dev, dhd_pub_t *data);
static void wl_free_wdev(struct bcm_cfg80211 *cfg);

static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi, bool update_ssid);
static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool update_ssid);
static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy);
s32 wl_cfg80211_channel_to_freq(u32 channel);
static void wl_cfg80211_work_handler(struct work_struct *work);
static s32 wl_add_keyext(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, const u8 *mac_addr,
	struct key_params *params);
/*
 * key indianess swap utilities
 */
static void swap_key_from_BE(struct wl_wsec_key *key);
static void swap_key_to_BE(struct wl_wsec_key *key);

/*
 * bcm_cfg80211 memory init/deinit utilities
 */
static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg);
static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg);

static void wl_delay(u32 ms);

/*
 * ibss mode utilities
 */
static bool wl_is_ibssmode(struct bcm_cfg80211 *cfg, struct net_device *ndev);
static __used bool wl_is_ibssstarter(struct bcm_cfg80211 *cfg);

/*
 * link up/down , default configuration utilities
 */
static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg);
static s32 __wl_cfg80211_down(struct bcm_cfg80211 *cfg);
static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e);

static bool wl_is_linkup(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e,
	struct net_device *ndev);
static bool wl_is_nonetwork(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e);
static void wl_link_up(struct bcm_cfg80211 *cfg);
static void wl_link_down(struct bcm_cfg80211 *cfg);
static s32 wl_config_infra(struct bcm_cfg80211 *cfg, struct net_device *ndev, u16 iftype);
static void wl_init_conf(struct wl_conf *conf);
int wl_cfg80211_get_ioctl_version(void);

/*
 * find most significant bit set
 */
static __used u32 wl_find_msb(u16 bit16);

/*
 * rfkill support
 */
static int wl_setup_rfkill(struct bcm_cfg80211 *cfg, bool setup);
static int wl_rfkill_set(void *data, bool blocked);
#ifdef DEBUGFS_CFG80211
static s32 wl_setup_debugfs(struct bcm_cfg80211 *cfg);
static s32 wl_free_debugfs(struct bcm_cfg80211 *cfg);
#endif // endif
static bool check_dev_role_integrity(struct bcm_cfg80211 *cfg, u32 dev_role);

#ifdef WL_CFG80211_ACL
/* ACL */
static int wl_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *cfgdev,
	const struct cfg80211_acl_data *acl);
#endif /* WL_CFG80211_ACL */

/*
 * Some external functions, TODO: move them to dhd_linux.h
 */
int dhd_add_monitor(const char *name, struct net_device **new_ndev);
int dhd_del_monitor(struct net_device *ndev);
int dhd_monitor_init(void *dhd_pub);
int dhd_monitor_uninit(void);
int dhd_start_xmit(struct sk_buff *skb, struct net_device *net);

#ifdef ESCAN_CHANNEL_CACHE
void reset_roam_cache(struct bcm_cfg80211 *cfg);
void add_roam_cache(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi);
int  get_roam_channel_list(int target_chan, chanspec_t *channels,
	int n_channels, const wlc_ssid_t *ssid, int ioctl_ver);
void set_roam_band(int band);
#endif /* ESCAN_CHANNEL_CACHE */

#ifdef ROAM_CHANNEL_CACHE
int init_roam_cache(struct bcm_cfg80211 *cfg, int ioctl_ver);
void print_roam_cache(struct bcm_cfg80211 *cfg);
void update_roam_cache(struct bcm_cfg80211 *cfg, int ioctl_ver);
#endif /* ROAM_CHANNEL_CACHE */

#ifdef P2P_LISTEN_OFFLOADING
s32 wl_cfg80211_p2plo_deinit(struct bcm_cfg80211 *cfg);
#endif /* P2P_LISTEN_OFFLOADING */

#ifdef PKT_FILTER_SUPPORT
extern uint dhd_pkt_filter_enable;
extern uint dhd_master_mode;
extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode);
#endif /* PKT_FILTER_SUPPORT */

#ifdef SUPPORT_SET_CAC
static void wl_cfg80211_set_cac(struct bcm_cfg80211 *cfg, int enable);
#endif /* SUPPORT_SET_CAC */

static int wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const struct ether_addr *bssid);
static s32 __wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify);

#ifdef WL_WPS_SYNC
static void wl_init_wps_reauth_sm(struct bcm_cfg80211 *cfg);
static void wl_deinit_wps_reauth_sm(struct bcm_cfg80211 *cfg);
static void wl_wps_reauth_timeout(unsigned long data);
static s32 wl_get_free_wps_inst(struct bcm_cfg80211 *cfg);
static s32 wl_get_wps_inst_match(struct bcm_cfg80211 *cfg, struct net_device *ndev);
static s32 wl_wps_session_add(struct net_device *ndev, u16 mode, u8 *peer_mac);
static void wl_wps_session_del(struct net_device *ndev);
static s32 wl_wps_session_update(struct net_device *ndev, u16 state, const u8 *peer_mac);
static void wl_wps_handle_ifdel(struct net_device *ndev);
#endif /* WL_WPS_SYNC */

#if defined(WL_FW_OCE_AP_SELECT)
bool static wl_cfg80211_is_oce_ap(struct wiphy *wiphy, const u8 *bssid_hint);
#endif /* WL_FW_OCE_AP_SELECT */

#ifdef WL_BCNRECV
static s32 wl_bcnrecv_aborted_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data);
#endif /* WL_BCNRECV */

#ifdef WL_CAC_TS
static s32 wl_cfg80211_cac_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data);
#endif /* WL_CAC_TS */

#if defined(WL_MBO) || defined(WL_OCE)
static s32 wl_bssid_prune_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data);
#endif /* WL_MBO || WL_OCE */

static int bw2cap[] = { 0, 0, WLC_BW_CAP_20MHZ, WLC_BW_CAP_40MHZ, WLC_BW_CAP_80MHZ,
	WLC_BW_CAP_160MHZ, WLC_BW_CAP_160MHZ };

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) || (defined(CONFIG_ARCH_MSM) && \
	defined(CFG80211_DISCONNECTED_V2))
#define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \
	cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len,	\
			IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
#else
#define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \
	cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len,	\
			WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)) || \
	defined(CFG80211_CONNECT_TIMEOUT_REASON_CODE) || defined(WL_FILS) || \
	defined(CONFIG_CFG80211_FILS_BKPORT)
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp) \
	cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp, NL80211_TIMEOUT_UNSPECIFIED);
#else
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp) \
	cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0) || \
	* (CFG80211_CONNECT_TIMEOUT_REASON_CODE) ||
	* WL_FILS || CONFIG_CFG80211_FILS_BKPORT
	*/
#elif defined(CFG80211_CONNECT_TIMEOUT_REASON_CODE)
/* There are customer kernels with backported changes for
 *  connect timeout. CFG80211_CONNECT_TIMEOUT_REASON_CODE define
 * is available for kernels < 4.7 in such cases.
 */
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp) \
	cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp, NL80211_TIMEOUT_UNSPECIFIED);
#else
/* Kernels < 4.7 doesn't support cfg80211_connect_bss */
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp) \
	cfg80211_connect_result(dev, bssid, req_ie, req_ie_len, resp_ie, \
		resp_ie_len, status, gfp);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) */

#define IS_WPA_AKM(akm) ((akm) == RSN_AKM_NONE ||			\
				 (akm) == RSN_AKM_UNSPECIFIED ||	\
				 (akm) == RSN_AKM_PSK)

extern int dhd_wait_pend8021x(struct net_device *dev);
#ifdef PROP_TXSTATUS_VSDB
extern int disable_proptx;
#endif /* PROP_TXSTATUS_VSDB */

static s32
wl_ap_start_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data);
static s32
wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data);
#ifdef SUPPORT_AP_BWCTRL
static void
wl_update_apchan_bwcap(struct bcm_cfg80211 *cfg, struct net_device *ndev, chanspec_t chanspec);
static void
wl_restore_ap_bw(struct bcm_cfg80211 *cfg);
#endif /* SUPPORT_AP_BWCTRL */

#if ((LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0)) && (LINUX_VERSION_CODE <= (3, 7, \
	0)))
struct chan_info {
	int freq;
	int chan_type;
};
#endif // endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
#define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(wiphy, bss);
#else
#define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(bss);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */

#define CHAN2G(_channel, _freq, _flags) {			\
	.band			= IEEE80211_BAND_2GHZ,		\
	.center_freq		= (_freq),			\
	.hw_value		= (_channel),			\
	.flags			= (_flags),			\
	.max_antenna_gain	= 0,				\
	.max_power		= 30,				\
}

#define CHAN5G(_channel, _flags) {				\
	.band			= IEEE80211_BAND_5GHZ,		\
	.center_freq		= 5000 + (5 * (_channel)),	\
	.hw_value		= (_channel),			\
	.flags			= (_flags),			\
	.max_antenna_gain	= 0,				\
	.max_power		= 30,				\
}

#define RATE_TO_BASE100KBPS(rate)   (((rate) * 10) / 2)
#define RATETAB_ENT(_rateid, _flags) \
	{								\
		.bitrate	= RATE_TO_BASE100KBPS(_rateid),     \
		.hw_value	= (_rateid),			    \
		.flags	  = (_flags),			     \
	}

static struct ieee80211_rate __wl_rates[] = {
	RATETAB_ENT(DOT11_RATE_1M, 0),
	RATETAB_ENT(DOT11_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
	RATETAB_ENT(DOT11_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
	RATETAB_ENT(DOT11_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
	RATETAB_ENT(DOT11_RATE_6M, 0),
	RATETAB_ENT(DOT11_RATE_9M, 0),
	RATETAB_ENT(DOT11_RATE_12M, 0),
	RATETAB_ENT(DOT11_RATE_18M, 0),
	RATETAB_ENT(DOT11_RATE_24M, 0),
	RATETAB_ENT(DOT11_RATE_36M, 0),
	RATETAB_ENT(DOT11_RATE_48M, 0),
	RATETAB_ENT(DOT11_RATE_54M, 0)
};

#define wl_a_rates		(__wl_rates + 4)
#define wl_a_rates_size	8
#define wl_g_rates		(__wl_rates + 0)
#define wl_g_rates_size	12

static struct ieee80211_channel __wl_2ghz_channels[] = {
	CHAN2G(1, 2412, 0),
	CHAN2G(2, 2417, 0),
	CHAN2G(3, 2422, 0),
	CHAN2G(4, 2427, 0),
	CHAN2G(5, 2432, 0),
	CHAN2G(6, 2437, 0),
	CHAN2G(7, 2442, 0),
	CHAN2G(8, 2447, 0),
	CHAN2G(9, 2452, 0),
	CHAN2G(10, 2457, 0),
	CHAN2G(11, 2462, 0),
	CHAN2G(12, 2467, 0),
	CHAN2G(13, 2472, 0),
	CHAN2G(14, 2484, 0)
};

static struct ieee80211_channel __wl_5ghz_a_channels[] = {
	CHAN5G(34, 0), CHAN5G(36, 0),
	CHAN5G(38, 0), CHAN5G(40, 0),
	CHAN5G(42, 0), CHAN5G(44, 0),
	CHAN5G(46, 0), CHAN5G(48, 0),
	CHAN5G(52, 0), CHAN5G(56, 0),
	CHAN5G(60, 0), CHAN5G(64, 0),
	CHAN5G(100, 0), CHAN5G(104, 0),
	CHAN5G(108, 0), CHAN5G(112, 0),
	CHAN5G(116, 0), CHAN5G(120, 0),
	CHAN5G(124, 0), CHAN5G(128, 0),
	CHAN5G(132, 0), CHAN5G(136, 0),
	CHAN5G(140, 0), CHAN5G(144, 0),
	CHAN5G(149, 0), CHAN5G(153, 0),
	CHAN5G(157, 0), CHAN5G(161, 0),
	CHAN5G(165, 0)
};

static struct ieee80211_supported_band __wl_band_2ghz = {
	.band = IEEE80211_BAND_2GHZ,
	.channels = __wl_2ghz_channels,
	.n_channels = ARRAY_SIZE(__wl_2ghz_channels),
	.bitrates = wl_g_rates,
	.n_bitrates = wl_g_rates_size
};

static struct ieee80211_supported_band __wl_band_5ghz_a = {
	.band = IEEE80211_BAND_5GHZ,
	.channels = __wl_5ghz_a_channels,
	.n_channels = ARRAY_SIZE(__wl_5ghz_a_channels),
	.bitrates = wl_a_rates,
	.n_bitrates = wl_a_rates_size
};

static const u32 __wl_cipher_suites[] = {
	WLAN_CIPHER_SUITE_WEP40,
	WLAN_CIPHER_SUITE_WEP104,
	WLAN_CIPHER_SUITE_TKIP,
	WLAN_CIPHER_SUITE_CCMP,
#ifdef MFP
	/*
	 * Advertising AES_CMAC cipher suite to userspace would imply that we
	 * are supporting MFP. So advertise only when MFP support is enabled.
	 */
	WLAN_CIPHER_SUITE_AES_CMAC,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
	WLAN_CIPHER_SUITE_BIP_GMAC_256,
	WLAN_CIPHER_SUITE_BIP_GMAC_128,
	WLAN_CIPHER_SUITE_BIP_CMAC_256,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) */
#endif /* MFP */

#ifdef BCMWAPI_WPI
	WLAN_CIPHER_SUITE_SMS4,
#endif // endif
#if defined(WLAN_CIPHER_SUITE_PMK)
	WLAN_CIPHER_SUITE_PMK,
#endif /* WLAN_CIPHER_SUITE_PMK */
#ifdef WL_GCMP
	WLAN_CIPHER_SUITE_GCMP,
	WLAN_CIPHER_SUITE_GCMP_256,
	WLAN_CIPHER_SUITE_BIP_GMAC_128,
	WLAN_CIPHER_SUITE_BIP_GMAC_256,
#endif /* WL_GCMP */
};

#ifdef WL_SUPPORT_ACS
/*
 * The firmware code required for this feature to work is currently under
 * BCMINTERNAL flag. In future if this is to enabled we need to bring the
 * required firmware code out of the BCMINTERNAL flag.
 */
struct wl_dump_survey {
	u32 obss;
	u32 ibss;
	u32 no_ctg;
	u32 no_pckt;
	u32 tx;
	u32 idle;
};
#endif /* WL_SUPPORT_ACS */

#ifdef WL_CFG80211_GON_COLLISION
#define BLOCK_GON_REQ_MAX_NUM 5
#endif /* WL_CFG80211_GON_COLLISION */

#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
static int maxrxpktglom = 0;
#endif // endif

/* IOCtl version read from targeted driver */
int ioctl_version;
#ifdef DEBUGFS_CFG80211
#define SUBLOGLEVEL 20
#define SUBLOGLEVELZ ((SUBLOGLEVEL) + (1))
static const struct {
	u32 log_level;
	char *sublogname;
} sublogname_map[] = {
	{WL_DBG_ERR, "ERR"},
	{WL_DBG_INFO, "INFO"},
	{WL_DBG_DBG, "DBG"},
	{WL_DBG_SCAN, "SCAN"},
	{WL_DBG_TRACE, "TRACE"},
	{WL_DBG_P2P_ACTION, "P2PACTION"}
};
#endif // endif

typedef struct rsn_cipher_algo_entry {
	u32 cipher_suite;
	u32 wsec_algo;
	u32 wsec_key_algo;
} rsn_cipher_algo_entry_t;

static const rsn_cipher_algo_entry_t rsn_cipher_algo_lookup_tbl[] = {
	{WLAN_CIPHER_SUITE_WEP40, WEP_ENABLED, CRYPTO_ALGO_WEP1},
	{WLAN_CIPHER_SUITE_WEP104, WEP_ENABLED, CRYPTO_ALGO_WEP128},
	{WLAN_CIPHER_SUITE_TKIP, TKIP_ENABLED, CRYPTO_ALGO_TKIP},
	{WLAN_CIPHER_SUITE_CCMP, AES_ENABLED, CRYPTO_ALGO_AES_CCM},
	{WLAN_CIPHER_SUITE_AES_CMAC, AES_ENABLED, CRYPTO_ALGO_BIP},
#ifdef BCMWAPI_WPI
	{WLAN_CIPHER_SUITE_SMS4, SMS4_ENABLED, CRYPTO_ALGO_SMS4},
#endif /* BCMWAPI_WPI */
#ifdef WL_GCMP
	{WLAN_CIPHER_SUITE_GCMP, AES_ENABLED, CRYPTO_ALGO_AES_GCM},
	{WLAN_CIPHER_SUITE_GCMP_256, AES_ENABLED, CRYPTO_ALGO_AES_GCM256},
	{WLAN_CIPHER_SUITE_BIP_GMAC_128, AES_ENABLED, CRYPTO_ALGO_BIP_GMAC},
	{WLAN_CIPHER_SUITE_BIP_GMAC_256, AES_ENABLED, CRYPTO_ALGO_BIP_GMAC256},
#endif /* WL_GCMP */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
	{WLAN_CIPHER_SUITE_BIP_CMAC_256, AES_ENABLED, CRYPTO_ALGO_BIP_CMAC256},
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) */
};

typedef struct rsn_akm_wpa_auth_entry {
	u32 akm_suite;
	u32 wpa_auth;
} rsn_akm_wpa_auth_entry_t;

static const rsn_akm_wpa_auth_entry_t rsn_akm_wpa_auth_lookup_tbl[] = {
#ifdef WL_OWE
	{WLAN_AKM_SUITE_OWE, WPA3_AUTH_OWE},
#endif /* WL_OWE */
	{WLAN_AKM_SUITE_8021X, WPA2_AUTH_UNSPECIFIED},
	{WL_AKM_SUITE_SHA256_1X, WPA2_AUTH_1X_SHA256},
	{WL_AKM_SUITE_SHA256_PSK, WPA2_AUTH_PSK_SHA256},
	{WLAN_AKM_SUITE_PSK, WPA2_AUTH_PSK},
	{WLAN_AKM_SUITE_FT_8021X, WPA2_AUTH_UNSPECIFIED | WPA2_AUTH_FT},
	{WLAN_AKM_SUITE_FT_PSK, WPA2_AUTH_PSK | WPA2_AUTH_FT},
	{WLAN_AKM_SUITE_FILS_SHA256, WPA2_AUTH_FILS_SHA256},
	{WLAN_AKM_SUITE_FILS_SHA384, WPA2_AUTH_FILS_SHA384},
	{WLAN_AKM_SUITE_8021X_SUITE_B, WPA3_AUTH_1X_SUITE_B_SHA256},
	{WLAN_AKM_SUITE_8021X_SUITE_B_192, WPA3_AUTH_1X_SUITE_B_SHA384},
#ifdef BCMWAPI_WPI
	{WLAN_AKM_SUITE_WAPI_CERT, WAPI_AUTH_UNSPECIFIED},
	{WLAN_AKM_SUITE_WAPI_PSK, WAPI_AUTH_PSK},
#endif /* BCMWAPI_WPI */
#ifdef WL_SAE
	{WLAN_AKM_SUITE_SAE, WPA3_AUTH_SAE_PSK},
#endif /* WL_SAE */
	{WLAN_AKM_SUITE_FT_8021X_SHA384, WPA3_AUTH_1X_SUITE_B_SHA384 | WPA2_AUTH_FT}
};

#define BUFSZ 8
#define BUFSZN	BUFSZ + 1

#define _S(x) #x
#define S(x) _S(x)

#define SOFT_AP_IF_NAME         "swlan0"

/* watchdog timer for disconnecting when fw is not associated for FW_ASSOC_WATCHDOG_TIME ms */
uint32 fw_assoc_watchdog_ms = 0;
bool fw_assoc_watchdog_started = 0;
#define FW_ASSOC_WATCHDOG_TIME 10 * 1000 /* msec */

static void wl_add_remove_pm_enable_work(struct bcm_cfg80211 *cfg,
	enum wl_pm_workq_act_type type)
{
	u16 wq_duration = 0;
	dhd_pub_t *dhd =  NULL;

	if (cfg == NULL)
		return;

	dhd = (dhd_pub_t *)(cfg->pub);

	mutex_lock(&cfg->pm_sync);
	/*
	 * Make cancel and schedule work part mutually exclusive
	 * so that while cancelling, we are sure that there is no
	 * work getting scheduled.
	 */
	if (delayed_work_pending(&cfg->pm_enable_work)) {
		cancel_delayed_work(&cfg->pm_enable_work);
		DHD_PM_WAKE_UNLOCK(cfg->pub);
	}

	if (type == WL_PM_WORKQ_SHORT) {
		wq_duration = WL_PM_ENABLE_TIMEOUT;
	} else if (type == WL_PM_WORKQ_LONG) {
		wq_duration = (WL_PM_ENABLE_TIMEOUT*2);
	}

	/* It should schedule work item only if driver is up */
	if (wq_duration && dhd->up) {
		if (schedule_delayed_work(&cfg->pm_enable_work,
				msecs_to_jiffies((const unsigned int)wq_duration))) {
			DHD_PM_WAKE_LOCK_TIMEOUT(cfg->pub, wq_duration);
		} else {
			WL_ERR(("Can't schedule pm work handler\n"));
		}
	}
	mutex_unlock(&cfg->pm_sync);
}

/* Return a new chanspec given a legacy chanspec
 * Returns INVCHANSPEC on error
 */
chanspec_t
wl_chspec_from_legacy(chanspec_t legacy_chspec)
{
	chanspec_t chspec;

	/* get the channel number */
	chspec = LCHSPEC_CHANNEL(legacy_chspec);

	/* convert the band */
	if (LCHSPEC_IS2G(legacy_chspec)) {
		chspec |= WL_CHANSPEC_BAND_2G;
	} else {
		chspec |= WL_CHANSPEC_BAND_5G;
	}

	/* convert the bw and sideband */
	if (LCHSPEC_IS20(legacy_chspec)) {
		chspec |= WL_CHANSPEC_BW_20;
	} else {
		chspec |= WL_CHANSPEC_BW_40;
		if (LCHSPEC_CTL_SB(legacy_chspec) == WL_LCHANSPEC_CTL_SB_LOWER) {
			chspec |= WL_CHANSPEC_CTL_SB_L;
		} else {
			chspec |= WL_CHANSPEC_CTL_SB_U;
		}
	}

	if (wf_chspec_malformed(chspec)) {
		WL_ERR(("wl_chspec_from_legacy: output chanspec (0x%04X) malformed\n",
			chspec));
		return INVCHANSPEC;
	}

	return chspec;
}

/* Return a legacy chanspec given a new chanspec
 * Returns INVCHANSPEC on error
 */
static chanspec_t
wl_chspec_to_legacy(chanspec_t chspec)
{
	chanspec_t lchspec;

	if (wf_chspec_malformed(chspec)) {
		WL_ERR(("wl_chspec_to_legacy: input chanspec (0x%04X) malformed\n",
			chspec));
		return INVCHANSPEC;
	}

	/* get the channel number */
	lchspec = CHSPEC_CHANNEL(chspec);

	/* convert the band */
	if (CHSPEC_IS2G(chspec)) {
		lchspec |= WL_LCHANSPEC_BAND_2G;
	} else {
		lchspec |= WL_LCHANSPEC_BAND_5G;
	}

	/* convert the bw and sideband */
	if (CHSPEC_IS20(chspec)) {
		lchspec |= WL_LCHANSPEC_BW_20;
		lchspec |= WL_LCHANSPEC_CTL_SB_NONE;
	} else if (CHSPEC_IS40(chspec)) {
		lchspec |= WL_LCHANSPEC_BW_40;
		if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_L) {
			lchspec |= WL_LCHANSPEC_CTL_SB_LOWER;
		} else {
			lchspec |= WL_LCHANSPEC_CTL_SB_UPPER;
		}
	} else {
		/* cannot express the bandwidth */
		char chanbuf[CHANSPEC_STR_LEN];
		WL_ERR((
			"wl_chspec_to_legacy: unable to convert chanspec %s (0x%04X) "
			"to pre-11ac format\n",
			wf_chspec_ntoa(chspec, chanbuf), chspec));
		return INVCHANSPEC;
	}

	return lchspec;
}

bool wl_cfg80211_is_hal_started(struct bcm_cfg80211 *cfg)
{
	return cfg->hal_started;
}

/* given a chanspec value, do the endian and chanspec version conversion to
 * a chanspec_t value
 * Returns INVCHANSPEC on error
 */
chanspec_t
wl_chspec_host_to_driver(chanspec_t chanspec)
{
	if (ioctl_version == 1) {
		chanspec = wl_chspec_to_legacy(chanspec);
		if (chanspec == INVCHANSPEC) {
			return chanspec;
		}
	}
	chanspec = htodchanspec(chanspec);

	return chanspec;
}

/* given a channel value, do the endian and chanspec version conversion to
 * a chanspec_t value
 * Returns INVCHANSPEC on error
 */
chanspec_t
wl_ch_host_to_driver(u16 channel)
{
	chanspec_t chanspec;
	chanspec_band_t band;

	band = WL_CHANNEL_BAND(channel);

	chanspec = wf_create_20MHz_chspec(channel, band);
	if (chanspec == INVCHANSPEC) {
		return chanspec;
	}

	return wl_chspec_host_to_driver(chanspec);
}

/* given a chanspec value from the driver, do the endian and chanspec version conversion to
 * a chanspec_t value
 * Returns INVCHANSPEC on error
 */
chanspec_t
wl_chspec_driver_to_host(chanspec_t chanspec)
{
	chanspec = dtohchanspec(chanspec);
	if (ioctl_version == 1) {
		chanspec = wl_chspec_from_legacy(chanspec);
	}

	return chanspec;
}

/*
 * convert ASCII string to MAC address (colon-delimited format)
 * eg: 00:11:22:33:44:55
 */
int
wl_cfg80211_ether_atoe(const char *a, struct ether_addr *n)
{
	char *c = NULL;
	int count = 0;

	bzero(n, ETHER_ADDR_LEN);
	for (;;) {
		n->octet[count++] = (uint8)simple_strtoul(a, &c, 16);
		if (!*c++ || count == ETHER_ADDR_LEN)
			break;
		a = c;
	}
	return (count == ETHER_ADDR_LEN);
}

/* There isn't a lot of sense in it, but you can transmit anything you like */
static const struct ieee80211_txrx_stypes
wl_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
	[NL80211_IFTYPE_ADHOC] = {
		.tx = 0xffff,
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4)
	},
	[NL80211_IFTYPE_STATION] = {
		.tx = 0xffff,
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
	},
	[NL80211_IFTYPE_AP] = {
		.tx = 0xffff,
		.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
		BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
		BIT(IEEE80211_STYPE_AUTH >> 4) |
		BIT(IEEE80211_STYPE_DEAUTH >> 4) |
		BIT(IEEE80211_STYPE_ACTION >> 4)
	},
	[NL80211_IFTYPE_AP_VLAN] = {
		/* copy AP */
		.tx = 0xffff,
		.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
		BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
		BIT(IEEE80211_STYPE_AUTH >> 4) |
		BIT(IEEE80211_STYPE_DEAUTH >> 4) |
		BIT(IEEE80211_STYPE_ACTION >> 4)
	},
	[NL80211_IFTYPE_P2P_CLIENT] = {
		.tx = 0xffff,
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
	},
	[NL80211_IFTYPE_P2P_GO] = {
		.tx = 0xffff,
		.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
		BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
		BIT(IEEE80211_STYPE_AUTH >> 4) |
		BIT(IEEE80211_STYPE_DEAUTH >> 4) |
		BIT(IEEE80211_STYPE_ACTION >> 4)
	},
#if defined(WL_CFG80211_P2P_DEV_IF)
	[NL80211_IFTYPE_P2P_DEVICE] = {
		.tx = 0xffff,
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
	},
#endif /* WL_CFG80211_P2P_DEV_IF */
};

static void swap_key_from_BE(struct wl_wsec_key *key)
{
	key->index = htod32(key->index);
	key->len = htod32(key->len);
	key->algo = htod32(key->algo);
	key->flags = htod32(key->flags);
	key->rxiv.hi = htod32(key->rxiv.hi);
	key->rxiv.lo = htod16(key->rxiv.lo);
	key->iv_initialized = htod32(key->iv_initialized);
}

static void swap_key_to_BE(struct wl_wsec_key *key)
{
	key->index = dtoh32(key->index);
	key->len = dtoh32(key->len);
	key->algo = dtoh32(key->algo);
	key->flags = dtoh32(key->flags);
	key->rxiv.hi = dtoh32(key->rxiv.hi);
	key->rxiv.lo = dtoh16(key->rxiv.lo);
	key->iv_initialized = dtoh32(key->iv_initialized);
}

#if defined(WL_FW_OCE_AP_SELECT)
bool static wl_cfg80211_is_oce_ap(struct wiphy *wiphy, const u8 *bssid_hint)
{
	const u8 *parse = NULL;
	bcm_tlv_t *ie;
	const struct cfg80211_bss_ies *ies;
	u32 len;
	struct cfg80211_bss *bss;

	bss = CFG80211_GET_BSS(wiphy, NULL, bssid_hint, 0, 0);
	if (!bss) {
		WL_ERR(("Unable to find AP in the cache"));
		return false;
	}

	if (rcu_access_pointer(bss->ies)) {
		ies = rcu_access_pointer(bss->ies);
		parse = ies->data;
		len = ies->len;
	} else {
		WL_ERR(("ies is NULL"));
		return false;
	}

	while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) {
		if (wl_cfgoce_is_oce_ie((const uint8*)ie, (u8 const **)&parse, &len) == TRUE) {
			return true;
		} else {
			ie = bcm_next_tlv((const bcm_tlv_t*) ie, &len);
			if (!ie) {
				return false;
			}
			parse = (uint8 *)ie;
			WL_DBG(("NON OCE IE. next ie ptr:%p", parse));
		}
	}
	WL_DBG(("OCE IE NOT found"));
	return false;
}
#endif /* WL_FW_OCE_AP_SELECT */

/* Dump the contents of the encoded wps ie buffer and get pbc value */
static void
wl_validate_wps_ie(const char *wps_ie, s32 wps_ie_len, bool *pbc)
{
	#define WPS_IE_FIXED_LEN 6
	s16 len;
	const u8 *subel = NULL;
	u16 subelt_id;
	u16 subelt_len;
	u16 val;
	u8 *valptr = (uint8*) &val;
	if (wps_ie == NULL || wps_ie_len < WPS_IE_FIXED_LEN) {
		WL_ERR(("invalid argument : NULL\n"));
		return;
	}
	len = (s16)wps_ie[TLV_LEN_OFF];

	if (len > wps_ie_len) {
		WL_ERR(("invalid length len %d, wps ie len %d\n", len, wps_ie_len));
		return;
	}
	WL_DBG(("wps_ie len=%d\n", len));
	len -= 4;	/* for the WPS IE's OUI, oui_type fields */
	subel = wps_ie + WPS_IE_FIXED_LEN;
	while (len >= 4) {		/* must have attr id, attr len fields */
		valptr[0] = *subel++;
		valptr[1] = *subel++;
		subelt_id = HTON16(val);

		valptr[0] = *subel++;
		valptr[1] = *subel++;
		subelt_len = HTON16(val);

		len -= 4;			/* for the attr id, attr len fields */
		len -= (s16)subelt_len;	/* for the remaining fields in this attribute */
		if (len < 0) {
			break;
		}
		WL_DBG((" subel=%p, subelt_id=0x%x subelt_len=%u\n",
			subel, subelt_id, subelt_len));

		if (subelt_id == WPS_ID_VERSION) {
			WL_DBG(("  attr WPS_ID_VERSION: %u\n", *subel));
		} else if (subelt_id == WPS_ID_REQ_TYPE) {
			WL_DBG(("  attr WPS_ID_REQ_TYPE: %u\n", *subel));
		} else if (subelt_id == WPS_ID_CONFIG_METHODS) {
			valptr[0] = *subel;
			valptr[1] = *(subel + 1);
			WL_DBG(("  attr WPS_ID_CONFIG_METHODS: %x\n", HTON16(val)));
		} else if (subelt_id == WPS_ID_DEVICE_NAME) {
			char devname[33];
			int namelen = MIN(subelt_len, (sizeof(devname) - 1));

			if (namelen) {
				memcpy(devname, subel, namelen);
				devname[namelen] = '\0';
				/* Printing len as rx'ed in the IE */
				WL_DBG(("  attr WPS_ID_DEVICE_NAME: %s (len %u)\n",
					devname, subelt_len));
			}
		} else if (subelt_id == WPS_ID_DEVICE_PWD_ID) {
			valptr[0] = *subel;
			valptr[1] = *(subel + 1);
			WL_DBG(("  attr WPS_ID_DEVICE_PWD_ID: %u\n", HTON16(val)));
			*pbc = (HTON16(val) == DEV_PW_PUSHBUTTON) ? true : false;
		} else if (subelt_id == WPS_ID_PRIM_DEV_TYPE) {
			valptr[0] = *subel;
			valptr[1] = *(subel + 1);
			WL_DBG(("  attr WPS_ID_PRIM_DEV_TYPE: cat=%u \n", HTON16(val)));
			valptr[0] = *(subel + 6);
			valptr[1] = *(subel + 7);
			WL_DBG(("  attr WPS_ID_PRIM_DEV_TYPE: subcat=%u\n", HTON16(val)));
		} else if (subelt_id == WPS_ID_REQ_DEV_TYPE) {
			valptr[0] = *subel;
			valptr[1] = *(subel + 1);
			WL_DBG(("  attr WPS_ID_REQ_DEV_TYPE: cat=%u\n", HTON16(val)));
			valptr[0] = *(subel + 6);
			valptr[1] = *(subel + 7);
			WL_DBG(("  attr WPS_ID_REQ_DEV_TYPE: subcat=%u\n", HTON16(val)));
		} else if (subelt_id == WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS) {
			valptr[0] = *subel;
			valptr[1] = *(subel + 1);
			WL_DBG(("  attr WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS"
				": cat=%u\n", HTON16(val)));
		} else {
			WL_DBG(("  unknown attr 0x%x\n", subelt_id));
		}

		subel += subelt_len;
	}
}

s32 wl_set_tx_power(struct net_device *dev,
	enum nl80211_tx_power_setting type, s32 dbm)
{
	s32 err = 0;
	s32 disable = 0;
	s32 txpwrqdbm;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	/* Make sure radio is off or on as far as software is concerned */
	disable = WL_RADIO_SW_DISABLE << 16;
	disable = htod32(disable);
	err = wldev_ioctl_set(dev, WLC_SET_RADIO, &disable, sizeof(disable));
	if (unlikely(err)) {
		WL_ERR(("WLC_SET_RADIO error (%d)\n", err));
		return err;
	}

	if (dbm > 0xffff)
		dbm = 0xffff;
	txpwrqdbm = dbm * 4;
#ifdef SUPPORT_WL_TXPOWER
	if (type == NL80211_TX_POWER_AUTOMATIC)
		txpwrqdbm = 127;
	else
		txpwrqdbm |= WL_TXPWR_OVERRIDE;
#endif /* SUPPORT_WL_TXPOWER */
	err = wldev_iovar_setbuf_bsscfg(dev, "qtxpower", (void *)&txpwrqdbm,
		sizeof(txpwrqdbm), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0,
		&cfg->ioctl_buf_sync);
	if (unlikely(err))
		WL_ERR(("qtxpower error (%d)\n", err));
	else
		WL_ERR(("dBm=%d, txpwrqdbm=0x%x\n", dbm, txpwrqdbm));

	return err;
}

s32 wl_get_tx_power(struct net_device *dev, s32 *dbm)
{
	s32 err = 0;
	s32 txpwrdbm;
	char ioctl_buf[WLC_IOCTL_SMLEN];

	err = wldev_iovar_getbuf_bsscfg(dev, "qtxpower",
		NULL, 0, ioctl_buf, WLC_IOCTL_SMLEN, 0, NULL);
	if (unlikely(err)) {
		WL_ERR(("error (%d)\n", err));
		return err;
	}

	memcpy(&txpwrdbm, ioctl_buf, sizeof(txpwrdbm));
	txpwrdbm = dtoh32(txpwrdbm);
	*dbm = (txpwrdbm & ~WL_TXPWR_OVERRIDE) / 4;

	WL_DBG(("dBm=%d, txpwrdbm=0x%x\n", *dbm, txpwrdbm));

	return err;
}

static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy)
{
	chanspec_t chspec;
	int cur_band, err = 0;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
	struct ether_addr bssid;
	wl_bss_info_t *bss = NULL;
	u16 channel = WL_P2P_TEMP_CHAN;
	char *buf;

	bzero(&bssid, sizeof(bssid));
	if ((err = wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, sizeof(bssid)))) {
		/* STA interface is not associated. So start the new interface on a temp
		 * channel . Later proper channel will be applied by the above framework
		 * via set_channel (cfg80211 API).
		 */
		WL_DBG(("Not associated. Return a temp channel. \n"));
		cur_band = 0;
		err = wldev_ioctl_get(dev, WLC_GET_BAND, &cur_band, sizeof(int));
		if (unlikely(err)) {
			WL_ERR(("Get band failed\n"));
		} else if (cur_band == WLC_BAND_5G) {
			channel = WL_P2P_TEMP_CHAN_5G;
		}
		return wl_ch_host_to_driver(channel);
	}

	buf = (char *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX);
	if (!buf) {
		WL_ERR(("buf alloc failed. use temp channel\n"));
		return wl_ch_host_to_driver(channel);
	}

	*(u32 *)buf = htod32(WL_EXTRA_BUF_MAX);
	if ((err = wldev_ioctl_get(dev, WLC_GET_BSS_INFO, buf,
		WL_EXTRA_BUF_MAX))) {
			WL_ERR(("Failed to get associated bss info, use temp channel \n"));
			chspec = wl_ch_host_to_driver(channel);
	}
	else {
			bss = (wl_bss_info_t *) (buf + 4);
			chspec =  bss->chanspec;

			WL_DBG(("Valid BSS Found. chanspec:%d \n", chspec));
	}

	MFREE(cfg->osh, buf, WL_EXTRA_BUF_MAX);
	return chspec;
}

static void
wl_wlfc_enable(struct bcm_cfg80211 *cfg, bool enable)
{
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO) || defined(BCMDBUS)
	bool wlfc_enabled = FALSE;
	s32 err;
	dhd_pub_t *dhd;
	struct net_device *primary_ndev = bcmcfg_to_prmry_ndev(cfg);

	dhd = (dhd_pub_t *)(cfg->pub);
	if (!dhd) {
		return;
	}

	if (enable) {
		if (!cfg->wlfc_on && !disable_proptx) {
			dhd_wlfc_get_enable(dhd, &wlfc_enabled);
			if (!wlfc_enabled && dhd->op_mode != DHD_FLAG_HOSTAP_MODE &&
				dhd->op_mode != DHD_FLAG_IBSS_MODE) {
				dhd_wlfc_init(dhd);
				err = wldev_ioctl_set(primary_ndev, WLC_UP, &up, sizeof(s32));
				if (err < 0)
					WL_ERR(("WLC_UP return err:%d\n", err));
			}
			cfg->wlfc_on = true;
			WL_DBG(("wlfc_on:%d \n", cfg->wlfc_on));
		}
	} else if (dhd->conf->disable_proptx != 0){
			dhd_wlfc_deinit(dhd);
			cfg->wlfc_on = false;
	}
#endif /* BCMSDIO || BCMDBUS */
#endif /* PROP_TXSTATUS_VSDB */
}

struct wireless_dev *
wl_cfg80211_p2p_if_add(struct bcm_cfg80211 *cfg,
	wl_iftype_t wl_iftype,
	char const *name, u8 *mac_addr, s32 *ret_err)
{
	u16 chspec;
	s16 cfg_type;
	long timeout;
	s32 err;
	u16 p2p_iftype;
	int dhd_mode;
	struct net_device *new_ndev = NULL;
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	struct ether_addr *p2p_addr;

	*ret_err = BCME_OK;
	if (!cfg->p2p) {
		WL_ERR(("p2p not initialized\n"));
		return NULL;
	}

#if defined(WL_CFG80211_P2P_DEV_IF)
	if (wl_iftype == WL_IF_TYPE_P2P_DISC) {
		/* Handle Dedicated P2P discovery Interface */
		return wl_cfgp2p_add_p2p_disc_if(cfg);
	}
#endif /* WL_CFG80211_P2P_DEV_IF */

	if (wl_iftype == WL_IF_TYPE_P2P_GO) {
		p2p_iftype = WL_P2P_IF_GO;
	} else {
		p2p_iftype = WL_P2P_IF_CLIENT;
	}

	/* Dual p2p doesn't support multiple P2PGO interfaces,
	 * p2p_go_count is the counter for GO creation
	 * requests.
	 */
	if ((cfg->p2p->p2p_go_count > 0) && (wl_iftype == WL_IF_TYPE_P2P_GO)) {
		WL_ERR(("FW does not support multiple GO\n"));
		*ret_err = -ENOTSUPP;
		return NULL;
	}
	if (!cfg->p2p->on) {
		p2p_on(cfg) = true;
		wl_cfgp2p_set_firm_p2p(cfg);
		wl_cfgp2p_init_discovery(cfg);
	}

	strlcpy(cfg->p2p->vir_ifname, name, sizeof(cfg->p2p->vir_ifname));
	/* In concurrency case, STA may be already associated in a particular channel.
	 * so retrieve the current channel of primary interface and then start the virtual
	 * interface on that.
	 */
	 chspec = wl_cfg80211_get_shared_freq(wiphy);

	/* For P2P mode, use P2P-specific driver features to create the
	 * bss: "cfg p2p_ifadd"
	 */
	wl_set_p2p_status(cfg, IF_ADDING);
	bzero(&cfg->if_event_info, sizeof(cfg->if_event_info));
	cfg_type = wl_cfgp2p_get_conn_idx(cfg);
	if (cfg_type == BCME_ERROR) {
		wl_clr_p2p_status(cfg, IF_ADDING);
		WL_ERR(("Failed to get connection idx for p2p interface\n"));
		return NULL;
	}

	p2p_addr = wl_to_p2p_bss_macaddr(cfg, cfg_type);
	memcpy(p2p_addr->octet, mac_addr, ETH_ALEN);

	err = wl_cfgp2p_ifadd(cfg, p2p_addr,
		htod32(p2p_iftype), chspec);
	if (unlikely(err)) {
		wl_clr_p2p_status(cfg, IF_ADDING);
		WL_ERR((" virtual iface add failed (%d) \n", err));
		return NULL;
	}

	/* Wait for WLC_E_IF event with IF_ADD opcode */
	timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
		((wl_get_p2p_status(cfg, IF_ADDING) == false) &&
		(cfg->if_event_info.valid)),
		msecs_to_jiffies(MAX_WAIT_TIME));
	if (timeout > 0 && !wl_get_p2p_status(cfg, IF_ADDING) && cfg->if_event_info.valid) {
		wl_if_event_info *event = &cfg->if_event_info;
		new_ndev = wl_cfg80211_post_ifcreate(bcmcfg_to_prmry_ndev(cfg), event,
			event->mac, cfg->p2p->vir_ifname, false);
		if (unlikely(!new_ndev)) {
			goto fail;
		}

		if (wl_iftype == WL_IF_TYPE_P2P_GO) {
			cfg->p2p->p2p_go_count++;
		}
		/* Fill p2p specific data */
		wl_to_p2p_bss_ndev(cfg, cfg_type) = new_ndev;
		wl_to_p2p_bss_bssidx(cfg, cfg_type) = event->bssidx;

		WL_ERR((" virtual interface(%s) is "
			"created net attach done\n", cfg->p2p->vir_ifname));
		dhd_mode = (wl_iftype == WL_IF_TYPE_P2P_GC) ?
			DHD_FLAG_P2P_GC_MODE : DHD_FLAG_P2P_GO_MODE;
		DNGL_FUNC(dhd_cfg80211_set_p2p_info, (cfg, dhd_mode));
			/* reinitialize completion to clear previous count */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0))
			INIT_COMPLETION(cfg->iface_disable);
#else
			init_completion(&cfg->iface_disable);
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0) */

			return new_ndev->ieee80211_ptr;
	}

fail:
	return NULL;
}

bool
wl_cfg80211_check_vif_in_use(struct net_device *ndev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	bool nan_enabled = FALSE;

#ifdef WL_NAN
	nan_enabled = cfg->nan_enable;
#endif /* WL_NAN */

	if (nan_enabled || (wl_cfgp2p_vif_created(cfg)) ||
		(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_MEM(("%s: Virtual interfaces in use. NAN %d P2P %d softAP %d\n",
			__FUNCTION__, nan_enabled, wl_cfgp2p_vif_created(cfg),
			(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)));
		return TRUE;
	}

	return FALSE;
}

void
wl_cfg80211_iface_state_ops(struct wireless_dev *wdev,
	wl_interface_state_t state,
	wl_iftype_t wl_iftype, u16 wl_mode)
{
	struct net_device *ndev;
	struct bcm_cfg80211 *cfg;
	dhd_pub_t *dhd;
	s32 bssidx;

	WL_DBG(("state:%s wl_iftype:%d mode:%d\n",
		wl_if_state_strs[state], wl_iftype, wl_mode));
	if (!wdev) {
		WL_ERR(("wdev null\n"));
		return;
	}

	if ((wl_iftype == WL_IF_TYPE_P2P_DISC) || (wl_iftype == WL_IF_TYPE_NAN_NMI)) {
		/* P2P discovery is a netless device and uses a
		 * hidden bsscfg interface in fw. Don't apply the
		 * iface ops state changes for p2p discovery I/F.
		 * NAN NMI is netless device and uses a hidden bsscfg interface in fw.
		 * Don't apply iface ops state changes for NMI I/F.
		 */
		return;
	}

	cfg = wiphy_priv(wdev->wiphy);
	ndev = wdev->netdev;
	dhd = (dhd_pub_t *)(cfg->pub);

	bssidx = wl_get_bssidx_by_wdev(cfg, wdev);
	if (!ndev || (bssidx < 0)) {
		WL_ERR(("ndev null. skip iface state ops\n"));
		return;
	}

	switch (state) {
		case WL_IF_CREATE_REQ:
#ifdef WL_BCNRECV
			/* check fakeapscan in progress then abort */
			wl_android_bcnrecv_stop(ndev, WL_BCNRECV_CONCURRENCY);
#endif /* WL_BCNRECV */
			wl_cfg80211_scan_abort(cfg);
			wl_wlfc_enable(cfg, true);
#ifdef WLTDLS
			/* disable TDLS if number of connected interfaces is >= 1 */
			wl_cfg80211_tdls_config(cfg, TDLS_STATE_IF_CREATE, false);
#endif /* WLTDLS */
			break;
		case WL_IF_DELETE_REQ:
#ifdef WL_WPS_SYNC
			wl_wps_handle_ifdel(ndev);
#endif /* WPS_SYNC */
			if (wl_get_drv_status(cfg, SCANNING, ndev)) {
				/* Send completion for any pending scans */
				wl_cfg80211_cancel_scan(cfg);
			}

#ifdef CUSTOM_SET_CPUCORE
			dhd->chan_isvht80 &= ~DHD_FLAG_P2P_MODE;
			if (!(dhd->chan_isvht80)) {
				dhd_set_cpucore(dhd, FALSE);
			}
#endif /* CUSTOM_SET_CPUCORE */
			 wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);
			break;
		case WL_IF_CREATE_DONE:
			if (wl_mode == WL_MODE_BSS) {
				/* Common code for sta type interfaces - STA, GC */
				wldev_iovar_setint(ndev, "buf_key_b4_m4", 1);
			}
			if (wl_iftype == WL_IF_TYPE_P2P_GC) {
				/* Disable firmware roaming for P2P interface  */
				wldev_iovar_setint(ndev, "roam_off", 1);
				wldev_iovar_setint(ndev, "bcn_timeout", dhd->conf->bcn_timeout);
			}
			if (wl_mode == WL_MODE_AP) {
				/* Common code for AP/GO */
			}
			break;
		case WL_IF_DELETE_DONE:
#ifdef WLTDLS
			/* Enable back TDLS if connected interface is <= 1 */
			wl_cfg80211_tdls_config(cfg, TDLS_STATE_IF_DELETE, false);
#endif /* WLTDLS */
			wl_wlfc_enable(cfg, false);
			break;
		case WL_IF_CHANGE_REQ:
			/* Flush existing IEs from firmware on role change */
			wl_cfg80211_clear_per_bss_ies(cfg, wdev);
			break;
		case WL_IF_CHANGE_DONE:
			if (wl_mode == WL_MODE_BSS) {
				/* Enable buffering of PTK key till EAPOL 4/4 is sent out */
				wldev_iovar_setint(ndev, "buf_key_b4_m4", 1);
			}
			break;

		default:
			WL_ERR(("Unsupported state: %d\n", state));
			return;
	}
}

static s32
wl_cfg80211_p2p_if_del(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s16 bssidx;
	s16 err;
	s32 cfg_type;
	struct net_device *ndev;
	long timeout;

	if (unlikely(!wl_get_drv_status(cfg, READY, bcmcfg_to_prmry_ndev(cfg)))) {
		WL_INFORM_MEM(("device is not ready\n"));
		return BCME_NOTFOUND;
	}
#ifdef WL_CFG80211_P2P_DEV_IF
	if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
		/* Handle dedicated P2P discovery interface. */
		return wl_cfgp2p_del_p2p_disc_if(wdev, cfg);
	}
#endif /* WL_CFG80211_P2P_DEV_IF */

	/* Handle P2P Group Interface */
	bssidx = wl_get_bssidx_by_wdev(cfg, wdev);
	if (bssidx <= 0) {
		WL_ERR(("bssidx not found\n"));
		return BCME_NOTFOUND;
	}
	if (wl_cfgp2p_find_type(cfg, bssidx, &cfg_type) != BCME_OK) {
		/* Couldn't find matching iftype */
		WL_MEM(("non P2P interface\n"));
		return BCME_NOTFOUND;
	}

	ndev = wdev->netdev;
	wl_clr_p2p_status(cfg, GO_NEG_PHASE);
	wl_clr_p2p_status(cfg, IF_ADDING);

	/* for GO */
	if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
		wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false);
		cfg->p2p->p2p_go_count--;
		/* disable interface before bsscfg free */
		err = wl_cfgp2p_ifdisable(cfg, wl_to_p2p_bss_macaddr(cfg, cfg_type));
		/* if fw doesn't support "ifdis",
		   do not wait for link down of ap mode
		 */
		if (err == 0) {
			WL_ERR(("Wait for Link Down event for GO !!!\n"));
			wait_for_completion_timeout(&cfg->iface_disable,
				msecs_to_jiffies(500));
		} else if (err != BCME_UNSUPPORTED) {
			msleep(300);
		}
	} else {
		/* GC case */
		if (wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
			WL_ERR(("Wait for Link Down event for GC !\n"));
			wait_for_completion_timeout
					(&cfg->iface_disable, msecs_to_jiffies(500));
		}
	}

	bzero(&cfg->if_event_info, sizeof(cfg->if_event_info));
	wl_set_p2p_status(cfg, IF_DELETING);
	DNGL_FUNC(dhd_cfg80211_clean_p2p_info, (cfg));

	err = wl_cfgp2p_ifdel(cfg, wl_to_p2p_bss_macaddr(cfg, cfg_type));
	if (unlikely(err)) {
		WL_ERR(("IFDEL operation failed, error code = %d\n", err));
		goto fail;
	} else {
		/* Wait for WLC_E_IF event */
		timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
			((wl_get_p2p_status(cfg, IF_DELETING) == false) &&
			(cfg->if_event_info.valid)),
			msecs_to_jiffies(MAX_WAIT_TIME));
		if (timeout > 0 && !wl_get_p2p_status(cfg, IF_DELETING) &&
			cfg->if_event_info.valid) {
			WL_ERR(("P2P IFDEL operation done\n"));
			err = BCME_OK;
		} else {
			WL_ERR(("IFDEL didn't complete properly\n"));
			err = -EINVAL;
		}
	}

fail:
	/* Even in failure case, attempt to remove the host data structure.
	 * Firmware would be cleaned up via WiFi reset done by the
	 * user space from hang event context (for android only).
	 */
	bzero(cfg->p2p->vir_ifname, IFNAMSIZ);
	wl_to_p2p_bss_bssidx(cfg, cfg_type) = -1;
	wl_to_p2p_bss_ndev(cfg, cfg_type) = NULL;
	wl_clr_drv_status(cfg, CONNECTED, wl_to_p2p_bss_ndev(cfg, cfg_type));
	dhd_net_if_lock(ndev);
	if (cfg->if_event_info.ifidx) {
		/* Remove interface except for primary ifidx */
		wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev, FALSE);
	}
	dhd_net_if_unlock(ndev);
	return err;
}

#ifdef WL_IFACE_MGMT_CONF
#ifdef WL_IFACE_MGMT
static s32
wl_cfg80211_is_policy_config_allowed(struct bcm_cfg80211 *cfg)
{
	s32 ret = BCME_OK;
	wl_iftype_t active_sec_iface = WL_IFACE_NOT_PRESENT;
	bool p2p_disc_on = false;
	bool sta_assoc_state = false;

	mutex_lock(&cfg->if_sync);

	sta_assoc_state = (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg)) ||
		wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg)));
	active_sec_iface = wl_cfg80211_get_sec_iface(cfg);
	p2p_disc_on = wl_get_p2p_status(cfg, SCANNING);

	if ((sta_assoc_state == TRUE) || (p2p_disc_on == TRUE) ||
			(cfg->nan_init_state == TRUE) ||
			(active_sec_iface != WL_IFACE_NOT_PRESENT)) {
		WL_INFORM_MEM(("Active iface matrix: sta_assoc_state = %d,"
			" p2p_disc = %d, nan_disc = %d, active iface = %s\n",
			sta_assoc_state, p2p_disc_on, cfg->nan_init_state,
			wl_iftype_to_str(active_sec_iface)));
		ret = BCME_BUSY;
	}
	mutex_unlock(&cfg->if_sync);
	return ret;
}
#endif /* WL_IFACE_MGMT */
#ifdef WL_NANP2P
int
wl_cfg80211_set_iface_conc_disc(struct net_device *ndev,
	uint8 arg_val)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	if (!cfg) {
		WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__));
		return BCME_ERROR;
	}

	if (wl_cfg80211_is_policy_config_allowed(cfg) != BCME_OK) {
		WL_ERR(("Cant allow iface management modifications\n"));
		return BCME_BUSY;
	}

	if (arg_val) {
		cfg->conc_disc |= arg_val;
	} else {
		cfg->conc_disc &= ~arg_val;
	}
	return BCME_OK;
}

uint8
wl_cfg80211_get_iface_conc_disc(struct net_device *ndev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	if (!cfg) {
		WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__));
		return BCME_ERROR;
	}
	return cfg->conc_disc;
}
#endif /* WL_NANP2P */
#ifdef WL_IFACE_MGMT
int
wl_cfg80211_set_iface_policy(struct net_device *ndev,
	char *arg, int len)
{
	int ret = BCME_OK;
	uint8 i = 0;
	iface_mgmt_data_t *iface_data = NULL;

	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	if (!cfg) {
		WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__));
		return BCME_ERROR;
	}

	if (wl_cfg80211_is_policy_config_allowed(cfg) != BCME_OK) {
		WL_ERR(("Cant allow iface management modifications\n"));
		return BCME_BUSY;
	}

	if (!arg || len <= 0 || len > sizeof(iface_mgmt_data_t)) {
		return BCME_BADARG;
	}

	iface_data = (iface_mgmt_data_t *)arg;
	if (iface_data->policy >= WL_IF_POLICY_INVALID) {
		WL_ERR(("Unexpected value of policy = %d\n",
			iface_data->policy));
		return BCME_BADARG;
	}

	bzero(&cfg->iface_data, sizeof(iface_mgmt_data_t));
	ret = memcpy_s(&cfg->iface_data, sizeof(iface_mgmt_data_t), arg, len);
	if (ret != BCME_OK) {
		WL_ERR(("Failed to copy iface data, src len = %d\n", len));
		return ret;
	}

	if (cfg->iface_data.policy == WL_IF_POLICY_ROLE_PRIORITY) {
		for (i = 0; i < WL_IF_TYPE_MAX; i++) {
			WL_DBG(("iface = %s, priority[i] = %d\n",
			wl_iftype_to_str(i), cfg->iface_data.priority[i]));
		}
	}

	return ret;
}

uint8
wl_cfg80211_get_iface_policy(struct net_device *ndev)

{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	if (!cfg) {
		WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__));
		return BCME_ERROR;
	}

	return cfg->iface_data.policy;
}
#endif /* WL_IFACE_MGMT */
#endif /* WL_IFACE_MGMT_CONF */

#ifdef WL_IFACE_MGMT
/* Get active secondary data iface type */
wl_iftype_t
wl_cfg80211_get_sec_iface(struct bcm_cfg80211 *cfg)
{
#ifndef WL_STATIC_IF
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#endif /* !WL_STATIC_IF */
	struct net_device *p2p_ndev = NULL;

	p2p_ndev = wl_to_p2p_bss_ndev(cfg,
		P2PAPI_BSSCFG_CONNECTION1);

#ifdef WL_STATIC_IF
	if (IS_CFG80211_STATIC_IF_ACTIVE(cfg)) {
		if (IS_AP_IFACE(cfg->static_ndev->ieee80211_ptr)) {
			return WL_IF_TYPE_AP;
		}
	}
#else
	if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
		return WL_IF_TYPE_AP;
	}
#endif /* WL_STATIC_IF */

	if (p2p_ndev && p2p_ndev->ieee80211_ptr) {
		if (p2p_ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
			return WL_IF_TYPE_P2P_GO;
		}

		if (p2p_ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) {
			return WL_IF_TYPE_P2P_GC;
		}
	}

#ifdef WL_NAN
	if (wl_cfgnan_is_dp_active(bcmcfg_to_prmry_ndev(cfg))) {
		return WL_IF_TYPE_NAN;
	}
#endif /* WL_NAN */
	return WL_IFACE_NOT_PRESENT;
}

/*
* Handle incoming data interface request based on policy.
* If there is any conflicting interface, that will be
* deleted.
*/
s32
wl_cfg80211_data_if_mgmt(struct bcm_cfg80211 *cfg,
	wl_iftype_t new_wl_iftype)
{
	s32 ret = BCME_OK;
	bool del_iface = false;
	wl_iftype_t sec_wl_if_type = wl_cfg80211_get_sec_iface(cfg);

	if (sec_wl_if_type == WL_IF_TYPE_NAN &&
		new_wl_iftype == WL_IF_TYPE_NAN) {
		/* Multi NDP is allowed irrespective of Policy */
		return BCME_OK;
	}

	if (sec_wl_if_type == WL_IFACE_NOT_PRESENT) {
		/*
		* If there is no active secondary I/F, there
		* is no interface conflict. Do nothing.
		*/
		return BCME_OK;
	}

	/* Handle secondary data link case */
	switch (cfg->iface_data.policy) {
		case WL_IF_POLICY_CUSTOM:
		case WL_IF_POLICY_DEFAULT: {
			if (sec_wl_if_type == WL_IF_TYPE_NAN) {
				/* NAN has the lowest priority */
				del_iface = true;
			} else {
				/* Active iface is present, returning error */
				ret = BCME_ERROR;
			}
			break;
		}
		case WL_IF_POLICY_FCFS: {
			WL_INFORM_MEM(("Found active iface = %s, can't support new iface = %s\n",
				wl_iftype_to_str(sec_wl_if_type), wl_iftype_to_str(new_wl_iftype)));
			ret = BCME_ERROR;
			break;
		}
		case WL_IF_POLICY_LP: {
			WL_INFORM_MEM(("Remove active sec data interface, allow incoming iface\n"));
			/* Delete existing data iface and allow incoming sec iface */
			del_iface = true;
			break;
		}
		case WL_IF_POLICY_ROLE_PRIORITY: {
			WL_INFORM_MEM(("Existing iface = %s (%d) and new iface = %s (%d)\n",
				wl_iftype_to_str(sec_wl_if_type),
				cfg->iface_data.priority[sec_wl_if_type],
				wl_iftype_to_str(new_wl_iftype),
				cfg->iface_data.priority[new_wl_iftype]));
			if (cfg->iface_data.priority[new_wl_iftype] >
				cfg->iface_data.priority[sec_wl_if_type]) {
				del_iface = true;
			} else {
				WL_ERR(("Can't support new iface = %s\n",
					wl_iftype_to_str(new_wl_iftype)));
					ret = BCME_ERROR;
			}
			break;
		}
		default: {
			WL_ERR(("Unsupported interface policy = %d\n",
				cfg->iface_data.policy));
			return BCME_ERROR;
		}
	}
	if (del_iface) {
		ret = wl_cfg80211_delete_iface(cfg, sec_wl_if_type);
	}
	return ret;
}

/* Handle discovery ifaces based on policy */
s32
wl_cfg80211_disc_if_mgmt(struct bcm_cfg80211 *cfg,
	wl_iftype_t new_wl_iftype, bool *disable_nan, bool *disable_p2p)
{
	s32 ret = BCME_OK;
	wl_iftype_t sec_wl_if_type =
		wl_cfg80211_get_sec_iface(cfg);
	*disable_p2p = false;
	*disable_nan = false;

	if (sec_wl_if_type == WL_IF_TYPE_NAN &&
			new_wl_iftype == WL_IF_TYPE_NAN) {
		/* Multi NDP is allowed irrespective of Policy */
		return BCME_OK;
	}

	/*
	* Check for any policy conflicts with active secondary
	* interface for incoming discovery iface
	*/
	if ((sec_wl_if_type != WL_IFACE_NOT_PRESENT) &&
		(is_discovery_iface(new_wl_iftype))) {
		switch (cfg->iface_data.policy) {
			case WL_IF_POLICY_CUSTOM: {
				if (sec_wl_if_type == WL_IF_TYPE_NAN &&
					new_wl_iftype == WL_IF_TYPE_P2P_DISC) {
					WL_INFORM_MEM(("Allow P2P Discovery with active NDP\n"));
					/* No further checks are required. */
					return BCME_OK;
				}
				/*
				* Intentional fall through to default policy
				* as for AP and associated ifaces, both are same
				*/
			}
			case WL_IF_POLICY_DEFAULT: {
				 if (sec_wl_if_type == WL_IF_TYPE_AP) {
					WL_INFORM_MEM(("AP is active, cant support new iface\n"));
					ret = BCME_ERROR;
				} else if (sec_wl_if_type == WL_IF_TYPE_P2P_GC ||
					sec_wl_if_type == WL_IF_TYPE_P2P_GO) {
					if (new_wl_iftype == WL_IF_TYPE_P2P_DISC) {
						/*
						* Associated discovery case,
						* Fall through
						*/
					} else {
						/* Active iface is present, returning error */
						WL_INFORM_MEM(("P2P group is active,"
							" cant support new iface\n"));
						ret = BCME_ERROR;
					}
				} else if (sec_wl_if_type == WL_IF_TYPE_NAN) {
					ret = wl_cfg80211_delete_iface(cfg, sec_wl_if_type);
				}
				break;
			}
			case WL_IF_POLICY_FCFS: {
				WL_INFORM_MEM(("Can't support new iface = %s\n",
						wl_iftype_to_str(new_wl_iftype)));
				ret = BCME_ERROR;
				break;
			}
			case WL_IF_POLICY_LP: {
				/* Delete existing data iface n allow incoming sec iface */
				WL_INFORM_MEM(("Remove active sec data interface = %s\n",
					wl_iftype_to_str(sec_wl_if_type)));
				ret = wl_cfg80211_delete_iface(cfg,
						sec_wl_if_type);
				break;
			}
			case WL_IF_POLICY_ROLE_PRIORITY: {
				WL_INFORM_MEM(("Existing iface = %s (%d) and new iface = %s (%d)\n",
					wl_iftype_to_str(sec_wl_if_type),
					cfg->iface_data.priority[sec_wl_if_type],
					wl_iftype_to_str(new_wl_iftype),
					cfg->iface_data.priority[new_wl_iftype]));
				if (cfg->iface_data.priority[new_wl_iftype] >
					cfg->iface_data.priority[sec_wl_if_type]) {
					WL_INFORM_MEM(("Remove active sec data iface\n"));
					ret = wl_cfg80211_delete_iface(cfg,
						sec_wl_if_type);
				} else {
					WL_ERR(("Can't support new iface = %s"
						" due to low priority\n",
						wl_iftype_to_str(new_wl_iftype)));
						ret = BCME_ERROR;
				}
				break;
			}
			default: {
				WL_ERR(("Unsupported policy\n"));
				return BCME_ERROR;
			}
		}
	} else {
		/*
		* Handle incoming new secondary iface request,
		* irrespective of existing discovery ifaces
		*/
		if ((cfg->iface_data.policy == WL_IF_POLICY_CUSTOM) &&
			(new_wl_iftype == WL_IF_TYPE_NAN)) {
			WL_INFORM_MEM(("Allow NAN Data Path\n"));
			/* No further checks are required. */
			return BCME_OK;
		}
	}

	/* Check for any conflicting discovery iface */
	switch (new_wl_iftype) {
		case WL_IF_TYPE_P2P_DISC:
		case WL_IF_TYPE_P2P_GO:
		case WL_IF_TYPE_P2P_GC: {
			*disable_nan = true;
			break;
		}
		case WL_IF_TYPE_NAN_NMI:
		case WL_IF_TYPE_NAN: {
			*disable_p2p = true;
			break;
		}
		case WL_IF_TYPE_STA:
		case WL_IF_TYPE_AP: {
			*disable_nan = true;
			*disable_p2p = true;
			break;
		}
		default: {
			WL_ERR(("Unsupported\n"));
			return BCME_ERROR;
		}
	}
	return ret;
}

bool
wl_cfg80211_is_associated_discovery(struct bcm_cfg80211 *cfg,
	wl_iftype_t new_wl_iftype)
{
	struct net_device *p2p_ndev = NULL;
	p2p_ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1);

	if (new_wl_iftype == WL_IF_TYPE_P2P_DISC && p2p_ndev &&
		p2p_ndev->ieee80211_ptr &&
		is_p2p_group_iface(p2p_ndev->ieee80211_ptr)) {
			return true;
	}
#ifdef WL_NAN
	else if ((new_wl_iftype == WL_IF_TYPE_NAN_NMI) &&
		(wl_cfgnan_is_dp_active(bcmcfg_to_prmry_ndev(cfg)))) {
			return true;
		}
#endif /* WL_NAN */
	return false;
}

/* Handle incoming discovery iface request */
s32
wl_cfg80211_handle_discovery_config(struct bcm_cfg80211 *cfg,
	wl_iftype_t new_wl_iftype)
{
	s32 ret = BCME_OK;
	bool disable_p2p = false;
	bool disable_nan = false;

	wl_iftype_t active_sec_iface =
		wl_cfg80211_get_sec_iface(cfg);

	if (is_discovery_iface(new_wl_iftype) &&
		(active_sec_iface != WL_IFACE_NOT_PRESENT)) {
		if (wl_cfg80211_is_associated_discovery(cfg,
			new_wl_iftype) == TRUE) {
			WL_DBG(("Associate iface request is allowed= %s\n",
				wl_iftype_to_str(new_wl_iftype)));
			return ret;
		}
	}

	ret = wl_cfg80211_disc_if_mgmt(cfg, new_wl_iftype,
			&disable_nan, &disable_p2p);
	if (ret != BCME_OK) {
		WL_ERR(("Failed at disc iface mgmt, ret = %d\n", ret));
		return ret;
	}
#ifdef WL_NANP2P
	if (((new_wl_iftype == WL_IF_TYPE_P2P_DISC) && disable_nan) ||
		((new_wl_iftype == WL_IF_TYPE_NAN_NMI) && disable_p2p)) {
		if ((cfg->nan_p2p_supported == TRUE) &&
		(cfg->conc_disc == WL_NANP2P_CONC_SUPPORT)) {
			WL_INFORM_MEM(("P2P + NAN conc is supported\n"));
			disable_p2p = false;
			disable_nan = false;
		}
	}
#endif /* WL_NANP2P */

	if (disable_nan) {
#ifdef WL_NAN
		/* Disable nan */
		cfg->nancfg.disable_reason = NAN_CONCURRENCY_CONFLICT;
		ret = wl_cfgnan_disable(cfg);
		if (ret != BCME_OK) {
			WL_ERR(("failed to disable nan, error[%d]\n", ret));
			return ret;
		}
#endif /* WL_NAN */
	}

	if (disable_p2p) {
		/* Disable p2p discovery */
		ret = wl_cfg80211_deinit_p2p_discovery(cfg);
		if (ret != BCME_OK) {
			WL_ERR(("Failed to disable p2p_disc for allowing nan\n"));
			return ret;
		}
	}
	return ret;
}

/*
* Check for any conflicting iface before adding iface.
* Based on policy, either conflicting iface is removed
* or new iface add request is blocked.
*/
s32
wl_cfg80211_handle_if_role_conflict(struct bcm_cfg80211 *cfg,
	wl_iftype_t new_wl_iftype)
{
	s32 ret = BCME_OK;

	WL_INFORM_MEM(("Incoming iface = %s\n", wl_iftype_to_str(new_wl_iftype)));

	if (!is_discovery_iface(new_wl_iftype)) {
		/* Incoming data interface request */
		if (wl_cfg80211_get_sec_iface(cfg) != WL_IFACE_NOT_PRESENT) {
			/* active interface present - Apply interface data policy */
			ret = wl_cfg80211_data_if_mgmt(cfg, new_wl_iftype);
			if (ret != BCME_OK) {
				WL_ERR(("if_mgmt fail:%d\n", ret));
				return ret;
			}
		}
	}
	/* Apply discovery config */
	ret = wl_cfg80211_handle_discovery_config(cfg, new_wl_iftype);
	return ret;
}
#endif /* WL_IFACE_MGMT */

static struct wireless_dev *
wl_cfg80211_add_monitor_if(struct wiphy *wiphy, const char *name)
{
#if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF)
	WL_ERR(("wl_cfg80211_add_monitor_if: No more support monitor interface\n"));
	return ERR_PTR(-EOPNOTSUPP);
#else
	struct wireless_dev *wdev;
	struct net_device* ndev = NULL;

	dhd_add_monitor(name, &ndev);

	wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
	if (!wdev) {
		WL_ERR(("wireless_dev alloc failed! \n"));
		goto fail;
	}

	wdev->wiphy = wiphy;
	wdev->iftype = NL80211_IFTYPE_MONITOR;
	ndev->ieee80211_ptr = wdev;
	SET_NETDEV_DEV(ndev, wiphy_dev(wiphy));

	WL_DBG(("wl_cfg80211_add_monitor_if net device returned: 0x%p\n", ndev));
	return ndev->ieee80211_ptr;
fail:
	return ERR_PTR(-EOPNOTSUPP);
#endif // endif
}

static struct wireless_dev *
wl_cfg80211_add_ibss(struct wiphy *wiphy, u16 wl_iftype, char const *name)
{
#ifdef WLAIBSS_MCHAN
	/* AIBSS */
	return bcm_cfg80211_add_ibss_if(wiphy, (char *)name);
#else
	/* Normal IBSS */
	WL_ERR(("IBSS not supported on Virtual iface\n"));
	return NULL;
#endif // endif
}

s32
wl_release_vif_macaddr(struct bcm_cfg80211 *cfg, u8 *mac_addr, u16 wl_iftype)
{
	struct net_device *ndev =  bcmcfg_to_prmry_ndev(cfg);
	u16 org_toggle_bytes;
	u16 cur_toggle_bytes;
	u16 toggled_bit;

	if (!ndev || !mac_addr || ETHER_ISNULLADDR(mac_addr)) {
		return -EINVAL;
	}
	WL_DBG(("%s:Mac addr" MACDBG "\n",
			__FUNCTION__, MAC2STRDBG(mac_addr)));

	if ((wl_iftype == WL_IF_TYPE_P2P_DISC) || (wl_iftype == WL_IF_TYPE_AP) ||
		(wl_iftype == WL_IF_TYPE_P2P_GO) || (wl_iftype == WL_IF_TYPE_P2P_GC)) {
		/* Avoid invoking release mac addr code for interfaces using
		 * fixed mac addr.
		 */
		return BCME_OK;
	}

	/* Fetch last two bytes of mac address */
	org_toggle_bytes = ntoh16(*((u16 *)&ndev->dev_addr[4]));
	cur_toggle_bytes = ntoh16(*((u16 *)&mac_addr[4]));

	toggled_bit = (org_toggle_bytes ^ cur_toggle_bytes);
	WL_DBG(("org_toggle_bytes:%04X cur_toggle_bytes:%04X\n",
		org_toggle_bytes, cur_toggle_bytes));
	if (toggled_bit & cfg->vif_macaddr_mask) {
		/* This toggled_bit is marked in the used mac addr
		 * mask. Clear it.
		 */
		cfg->vif_macaddr_mask &= ~toggled_bit;
		WL_INFORM(("MAC address - " MACDBG " released. toggled_bit:%04X vif_mask:%04X\n",
			MAC2STRDBG(mac_addr), toggled_bit, cfg->vif_macaddr_mask));
	} else {
		WL_ERR(("MAC address - " MACDBG " not found in the used list."
			" toggled_bit:%04x vif_mask:%04x\n", MAC2STRDBG(mac_addr),
			toggled_bit, cfg->vif_macaddr_mask));
		return -EINVAL;
	}

	return BCME_OK;
}

s32
wl_get_vif_macaddr(struct bcm_cfg80211 *cfg, u16 wl_iftype, u8 *mac_addr)
{
#ifdef WL_P2P_USE_RANDMAC
	struct ether_addr *p2p_dev_addr = wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE);
#endif // endif
	struct net_device *ndev =  bcmcfg_to_prmry_ndev(cfg);
	u16 toggle_mask;
	u16 toggle_bit;
	u16 toggle_bytes;
	u16 used;
	u32 offset = 0;
	/* Toggle mask starts from MSB of second last byte */
	u16 mask = 0x8000;
	if (!mac_addr) {
		return -EINVAL;
	}
#ifdef WL_P2P_USE_RANDMAC
	if (wl_iftype == WL_IF_TYPE_P2P_DISC) {
		memcpy_s(mac_addr, ETH_ALEN, p2p_dev_addr->octet, ETH_ALEN);
		return 0;
	}
#endif // endif
	memcpy(mac_addr, ndev->dev_addr, ETH_ALEN);
/*
 * VIF MAC address managment
 * P2P Device addres: Primary MAC with locally admin. bit set
 * P2P Group address/NAN NMI/Softap/NAN DPI: Primary MAC addr
 *    with local admin bit set and one additional bit toggled.
 * cfg->vif_macaddr_mask will hold the info regarding the mac address
 * released. Ensure to call wl_release_vif_macaddress to free up
 * the mac address.
 */
#if defined(SPECIFIC_MAC_GEN_SCHEME)
	if (wl_iftype == WL_IF_TYPE_P2P_DISC ||	wl_iftype == WL_IF_TYPE_AP) {
		mac_addr[0] |= 0x02;
	} else if ((wl_iftype == WL_IF_TYPE_P2P_GO) || (wl_iftype == WL_IF_TYPE_P2P_GC)) {
		mac_addr[0] |= 0x02;
		mac_addr[4] ^= 0x80;
	}
#else
	if (wl_iftype == WL_IF_TYPE_P2P_DISC) {
		mac_addr[0] |= 0x02;
	}
#endif /* SEPCIFIC_MAC_GEN_SCHEME */
	else {
		/* For locally administered mac addresses, we keep the
		 * OUI part constant and just work on the last two bytes.
		 */
		mac_addr[0] |= 0x02;
		toggle_mask = cfg->vif_macaddr_mask;
		toggle_bytes = ntoh16(*((u16 *)&mac_addr[4]));
		do {
			used = toggle_mask & mask;
			if (!used) {
				/* Use this bit position */
				toggle_bit = mask >> offset;
				toggle_bytes ^= toggle_bit;
				cfg->vif_macaddr_mask |= toggle_bit;
				WL_DBG(("toggle_bit:%04X toggle_bytes:%04X toggle_mask:%04X\n",
					toggle_bit, toggle_bytes, cfg->vif_macaddr_mask));
				/* Macaddress are stored in network order */
				mac_addr[5] = *((u8 *)&toggle_bytes);
				mac_addr[4] = *(((u8 *)&toggle_bytes + 1));
				break;
			}

			/* Shift by one */
			toggle_mask = toggle_mask << 0x1;
			offset++;
			if (offset > MAX_VIF_OFFSET) {
				/* We have used up all macaddresses. Something wrong! */
				WL_ERR(("Entire range of macaddress used up.\n"));
				ASSERT(0);
				break;
			}
		} while (true);
	}
	WL_INFORM_MEM(("Get virtual I/F mac addr: "MACDBG"\n", MAC2STRDBG(mac_addr)));
	return 0;
}
#ifdef DNGL_AXI_ERROR_LOGGING
static s32
_wl_cfg80211_check_axi_error(struct bcm_cfg80211 *cfg)
{
	s32 ret = BCME_OK;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	hnd_ext_trap_hdr_t *hdr;
	int axi_host_error_size;
	uint8 *new_dst;
	uint32 *ext_data = dhd->extended_trap_data;
	struct file *fp = NULL;
	char *filename = DHD_COMMON_DUMP_PATH
			 DHD_DUMP_AXI_ERROR_FILENAME
			 DHD_DUMP_HAL_FILENAME_SUFFIX;

	WL_ERR(("%s: starts to read %s. Axi error \n", __FUNCTION__, filename));

	fp = filp_open(filename, O_RDONLY, 0);

	if (IS_ERR(fp) || (fp == NULL)) {
		WL_ERR(("%s: Couldn't read the file, err %ld,File [%s]  No previous axi error \n",
			__FUNCTION__, PTR_ERR(fp), filename));
		return ret;
	}

	kernel_read_compat(fp, fp->f_pos, (char *)dhd->axi_err_dump, sizeof(dhd_axi_error_dump_t));
	filp_close(fp, NULL);

	/* Delete axi error info file */
	if (dhd_file_delete(filename) < 0) {
		WL_ERR(("%s(): Failed to delete file: %s\n", __FUNCTION__, filename));
		return ret;
	}
	WL_ERR(("%s(): Success to delete file: %s\n", __FUNCTION__, filename));

	if (dhd->axi_err_dump->etd_axi_error_v1.signature != HND_EXT_TRAP_AXIERROR_SIGNATURE) {
		WL_ERR(("%s: Invalid AXI signature: 0x%x\n",
		__FUNCTION__, dhd->axi_err_dump->etd_axi_error_v1.signature));
	}

	/* First word is original trap_data */
	ext_data++;

	/* Followed by the extended trap data header */
	hdr = (hnd_ext_trap_hdr_t *)ext_data;
	new_dst = hdr->data;

	axi_host_error_size =  sizeof(dhd->axi_err_dump->axid)
		+ sizeof(dhd->axi_err_dump->fault_address);

	/* TAG_TRAP_AXI_HOST_INFO tlv : host's axid, fault address */
	new_dst = bcm_write_tlv(TAG_TRAP_AXI_HOST_INFO,
			(const void *)dhd->axi_err_dump,
			axi_host_error_size, new_dst);

	/* TAG_TRAP_AXI_ERROR tlv */
	new_dst = bcm_write_tlv(TAG_TRAP_AXI_ERROR,
			(const void *)&dhd->axi_err_dump->etd_axi_error_v1,
			sizeof(dhd->axi_err_dump->etd_axi_error_v1), new_dst);
	hdr->len = new_dst - hdr->data;

	dhd->dongle_trap_occured = TRUE;
	memset(dhd->axi_err_dump, 0, sizeof(dhd_axi_error_dump_t));

	dhd->hang_reason = HANG_REASON_DONGLE_TRAP;
	net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg));
	ret = BCME_ERROR;
	return ret;
}
#endif /* DNGL_AXI_ERROR_LOGGING */

/* All Android/Linux private/Vendor Interface calls should make
 *  use of below API for interface creation.
 */
struct wireless_dev *
wl_cfg80211_add_if(struct bcm_cfg80211 *cfg,
	struct net_device *primary_ndev,
	wl_iftype_t wl_iftype, const char *name, u8 *mac)
{
	u8 mac_addr[ETH_ALEN];
	s32 err = -ENODEV;
	struct wireless_dev *wdev = NULL;
	struct wiphy *wiphy;
	s32 wl_mode;
	dhd_pub_t *dhd;
	wl_iftype_t macaddr_iftype = wl_iftype;

	WL_INFORM_MEM(("if name: %s, wl_iftype:%d \n",
		name ? name : "NULL", wl_iftype));
	if (!cfg || !primary_ndev || !name) {
		WL_ERR(("cfg/ndev/name ptr null\n"));
		return NULL;
	}
	if (wl_cfg80211_get_wdev_from_ifname(cfg, name)) {
		WL_ERR(("Interface name %s exists!\n", name));
		return NULL;
	}

	wiphy = bcmcfg_to_wiphy(cfg);
	dhd = (dhd_pub_t *)(cfg->pub);
	if (!dhd) {
		return NULL;
	}

	if ((wl_mode = wl_iftype_to_mode(wl_iftype)) < 0) {
		return NULL;
	}
	mutex_lock(&cfg->if_sync);
#ifdef WL_NAN
	if (wl_iftype == WL_IF_TYPE_NAN) {
	/*
	* Bypass the role conflict check for NDI and handle it
	* from dp req and dp resp context
	* because in aware comms, ndi gets created soon after nan enable.
	*/
	} else
#endif /* WL_NAN */
#ifdef WL_IFACE_MGMT
	if ((err = wl_cfg80211_handle_if_role_conflict(cfg, wl_iftype)) < 0) {
		mutex_unlock(&cfg->if_sync);
		return NULL;
	}
#endif /* WL_IFACE_MGMT */
#ifdef DNGL_AXI_ERROR_LOGGING
	/* Check the previous smmu fault error */
	if ((err = _wl_cfg80211_check_axi_error(cfg)) < 0) {
		mutex_unlock(&cfg->if_sync);
		return NULL;
	}
#endif /* DNGL_AXI_ERROR_LOGGING */
	/* Protect the interace op context */
	/* Do pre-create ops */
	wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr, WL_IF_CREATE_REQ,
		wl_iftype, wl_mode);

	if (strnicmp(name, SOFT_AP_IF_NAME, strlen(SOFT_AP_IF_NAME)) == 0) {
		macaddr_iftype = WL_IF_TYPE_AP;
	}

	if (mac) {
		/* If mac address is provided, use that */
		memcpy(mac_addr, mac, ETH_ALEN);
	} else if ((wl_get_vif_macaddr(cfg, macaddr_iftype, mac_addr) != BCME_OK)) {
		/* Fetch the mac address to be used for virtual interface */
		err = -EINVAL;
		goto fail;
	}

	switch (wl_iftype) {
		case WL_IF_TYPE_IBSS:
			wdev = wl_cfg80211_add_ibss(wiphy, wl_iftype, name);
			break;
		case WL_IF_TYPE_MONITOR:
			wdev = wl_cfg80211_add_monitor_if(wiphy, name);
			break;
		case WL_IF_TYPE_STA:
		case WL_IF_TYPE_AP:
		case WL_IF_TYPE_NAN:
			if (cfg->iface_cnt >= (IFACE_MAX_CNT - 1)) {
				WL_ERR(("iface_cnt exceeds max cnt. created iface_cnt: %d\n",
					cfg->iface_cnt));
				err = -ENOTSUPP;
				goto fail;
			}
			wdev = wl_cfg80211_create_iface(cfg->wdev->wiphy,
				wl_iftype, mac_addr, name);
			break;
		case WL_IF_TYPE_P2P_DISC:
		case WL_IF_TYPE_P2P_GO:
			/* Intentional fall through */
		case WL_IF_TYPE_P2P_GC:
			if (cfg->p2p_supported) {
				wdev = wl_cfg80211_p2p_if_add(cfg, wl_iftype,
					name, mac_addr, &err);
				break;
			}
			/* Intentionally fall through for unsupported interface
			 * handling when firmware doesn't support p2p
			 */
		default:
			WL_ERR(("Unsupported interface type\n"));
			err = -ENOTSUPP;
			goto fail;
	}

	if (!wdev) {
		WL_ERR(("vif create failed. err:%d\n", err));
		if (err != -ENOTSUPP) {
			err = -ENODEV;
		}
		goto fail;
	}

	/* Ensure decrementing in case of failure */
	cfg->vif_count++;

	wl_cfg80211_iface_state_ops(wdev,
		WL_IF_CREATE_DONE, wl_iftype, wl_mode);

	WL_INFORM_MEM(("Vif created. dev->ifindex:%d"
		" cfg_iftype:%d, vif_count:%d\n",
		(wdev->netdev ? wdev->netdev->ifindex : 0xff),
		wdev->iftype, cfg->vif_count));
	mutex_unlock(&cfg->if_sync);
	return wdev;

fail:
	wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr,
		WL_IF_DELETE_REQ, wl_iftype, wl_mode);

	if (err != -ENOTSUPP) {
		/* For non-supported interfaces, just return error and
		 * skip below recovery steps.
		 */
		SUPP_LOG(("IF_ADD fail. err:%d\n", err));
		wl_flush_fw_log_buffer(primary_ndev, FW_LOGSET_MASK_ALL);
		if (dhd_query_bus_erros(dhd)) {
			goto exit;
		}
		dhd->iface_op_failed = TRUE;
#if defined(DHD_DEBUG) && defined(BCMPCIE) && defined(DHD_FW_COREDUMP)
		if (dhd->memdump_enabled) {
			dhd->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE;
			dhd_bus_mem_dump(dhd);
		}
#endif /* DHD_DEBUG && BCMPCIE && DHD_FW_COREDUMP */
		dhd->hang_reason = HANG_REASON_IFACE_ADD_FAILURE;
		net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg));
	}
exit:
	mutex_unlock(&cfg->if_sync);
	return NULL;
}

static bcm_struct_cfgdev *
wl_cfg80211_add_virtual_iface(struct wiphy *wiphy,
#if defined(WL_CFG80211_P2P_DEV_IF)
	const char *name,
#else
	char *name,
#endif /* WL_CFG80211_P2P_DEV_IF */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
	unsigned char name_assign_type,
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */
	enum nl80211_iftype type,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
	u32 *flags,
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) */
	struct vif_params *params)
{
	u16 wl_iftype;
	u16 wl_mode;
	struct net_device *primary_ndev;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct wireless_dev *wdev;

	WL_DBG(("Enter iftype: %d\n", type));
	if (!cfg) {
		return ERR_PTR(-EINVAL);
	}

	/* Use primary I/F for sending cmds down to firmware */
	primary_ndev = bcmcfg_to_prmry_ndev(cfg);
	if (unlikely(!wl_get_drv_status(cfg, READY, primary_ndev))) {
		WL_ERR(("device is not ready\n"));
		return ERR_PTR(-ENODEV);
	}

	if (!name) {
		WL_ERR(("Interface name not provided \n"));
		return ERR_PTR(-EINVAL);
	}

	if (cfg80211_to_wl_iftype(type, &wl_iftype, &wl_mode) < 0) {
		return ERR_PTR(-EINVAL);
	}

	wdev = wl_cfg80211_add_if(cfg, primary_ndev, wl_iftype, name, NULL);
	if (unlikely(!wdev)) {
		return ERR_PTR(-ENODEV);
	}
	return wdev_to_cfgdev(wdev);
}

static s32
wl_cfg80211_del_ibss(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	WL_INFORM_MEM(("del ibss wdev_ptr:%p\n", wdev));
#ifdef WLAIBSS_MCHAN
	/* AIBSS */
	return bcm_cfg80211_del_ibss_if(wiphy, wdev);
#else
	/* Normal IBSS */
	return wl_cfg80211_del_iface(wiphy, wdev);
#endif // endif
}

s32
wl_cfg80211_del_if(struct bcm_cfg80211 *cfg, struct net_device *primary_ndev,
	struct wireless_dev *wdev, char *ifname)
{
	int ret = BCME_OK;
	mutex_lock(&cfg->if_sync);
	ret = _wl_cfg80211_del_if(cfg, primary_ndev, wdev, ifname);
	mutex_unlock(&cfg->if_sync);
	return ret;
}

s32
_wl_cfg80211_del_if(struct bcm_cfg80211 *cfg, struct net_device *primary_ndev,
	struct wireless_dev *wdev, char *ifname)
{
	int ret = BCME_OK;
	s32 bssidx;
	struct wiphy *wiphy;
	u16 wl_mode;
	u16 wl_iftype;
	struct net_info *netinfo;
	dhd_pub_t *dhd;
	BCM_REFERENCE(dhd);

	if (!cfg) {
		return -EINVAL;
	}

	dhd = (dhd_pub_t *)(cfg->pub);

	if (!wdev && ifname) {
		/* If only ifname is provided, fetch corresponding wdev ptr from our
		 * internal data structure
		 */
		wdev = wl_cfg80211_get_wdev_from_ifname(cfg, ifname);
	}

	/* Check whether we have a valid wdev ptr */
	if (unlikely(!wdev)) {
		WL_ERR(("wdev not found. '%s' does not exists\n", ifname));
		return -ENODEV;
	}

	WL_INFORM_MEM(("del vif. wdev cfg_iftype:%d\n", wdev->iftype));

	wiphy = wdev->wiphy;
#ifdef WL_CFG80211_P2P_DEV_IF
	if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
		/* p2p discovery would be de-initialized in stop p2p
		 * device context/from other virtual i/f creation context
		 * so netinfo list may not have any node corresponding to
		 * discovery I/F. Handle it before bssidx check.
		 */
		ret = wl_cfg80211_p2p_if_del(wiphy, wdev);
		if (unlikely(ret)) {
			goto exit;
		} else {
			/* success case. return from here */
			if (cfg->vif_count) {
				cfg->vif_count--;
			}
			return BCME_OK;
		}
	}
#endif /* WL_CFG80211_P2P_DEV_IF */

	if ((netinfo = wl_get_netinfo_by_wdev(cfg, wdev)) == NULL) {
		WL_ERR(("Find netinfo from wdev %p failed\n", wdev));
		ret = -ENODEV;
		goto exit;
	}

	if (!wdev->netdev) {
		WL_ERR(("ndev null! \n"));
	} else {
		/* Disable tx before del */
		netif_tx_disable(wdev->netdev);
	}

	wl_iftype = netinfo->iftype;
	wl_mode = wl_iftype_to_mode(wl_iftype);
	bssidx = netinfo->bssidx;
	WL_INFORM_MEM(("[IFDEL] cfg_iftype:%d wl_iftype:%d mode:%d bssidx:%d\n",
		wdev->iftype, wl_iftype, wl_mode, bssidx));

	/* Do pre-interface del ops */
	wl_cfg80211_iface_state_ops(wdev, WL_IF_DELETE_REQ, wl_iftype, wl_mode);

	switch (wl_iftype) {
		case WL_IF_TYPE_P2P_GO:
		case WL_IF_TYPE_P2P_GC:
		case WL_IF_TYPE_AP:
		case WL_IF_TYPE_STA:
		case WL_IF_TYPE_NAN:
			ret = wl_cfg80211_del_iface(wiphy, wdev);
			break;
		case WL_IF_TYPE_IBSS:
			ret = wl_cfg80211_del_ibss(wiphy, wdev);
			break;

		default:
			WL_ERR(("Unsupported interface type\n"));
			ret = BCME_ERROR;
	}

exit:
	if (ret == BCME_OK) {
		/* Successful case */
		if (cfg->vif_count) {
			cfg->vif_count--;
		}
		wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr,
				WL_IF_DELETE_DONE, wl_iftype, wl_mode);
#ifdef WL_NAN
		if (!((cfg->nancfg.mac_rand) && (wl_iftype == WL_IF_TYPE_NAN)))
#endif /* WL_NAN */
		{
			wl_release_vif_macaddr(cfg, wdev->netdev->dev_addr, wl_iftype);
		}
		WL_INFORM_MEM(("vif deleted. vif_count:%d\n", cfg->vif_count));
	} else {
		if (!wdev->netdev) {
			WL_ERR(("ndev null! \n"));
		} else {
			/* IF del failed. revert back tx queue status */
			netif_tx_start_all_queues(wdev->netdev);
		}

		/* Skip generating log files and sending HANG event
		 * if driver state is not READY
		 */
		if (wl_get_drv_status(cfg, READY, bcmcfg_to_prmry_ndev(cfg))) {
			SUPP_LOG(("IF_DEL fail. err:%d\n", ret));
			wl_flush_fw_log_buffer(primary_ndev, FW_LOGSET_MASK_ALL);
			/* IF dongle is down due to previous hang or other conditions, sending
			* one more hang notification is not needed.
			*/
			if (dhd_query_bus_erros(dhd) || (ret == BCME_DONGLE_DOWN)) {
				goto end;
			}
			dhd->iface_op_failed = TRUE;
#if defined(DHD_FW_COREDUMP)
			if (dhd->memdump_enabled && (ret != -EBADTYPE)) {
				dhd->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE;
				dhd_bus_mem_dump(dhd);
			}
#endif /* DHD_FW_COREDUMP */
			WL_ERR(("Notify hang event to upper layer \n"));
			dhd->hang_reason = HANG_REASON_IFACE_DEL_FAILURE;
			net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg));
		}
	}
end:
	return ret;
}

static s32
wl_cfg80211_del_virtual_iface(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct wireless_dev *wdev = cfgdev_to_wdev(cfgdev);
	int ret = BCME_OK;
	u16 wl_iftype;
	u16 wl_mode;
	struct net_device *primary_ndev;

	if (!cfg) {
		return -EINVAL;
	}

	primary_ndev = bcmcfg_to_prmry_ndev(cfg);
	wdev = cfgdev_to_wdev(cfgdev);
	if (!wdev) {
		WL_ERR(("wdev null"));
		return -ENODEV;
	}

	WL_DBG(("Enter  wdev:%p iftype: %d\n", wdev, wdev->iftype));
	if (cfg80211_to_wl_iftype(wdev->iftype, &wl_iftype, &wl_mode) < 0) {
		WL_ERR(("Wrong iftype: %d\n", wdev->iftype));
		return -ENODEV;
	}

	if ((ret = wl_cfg80211_del_if(cfg, primary_ndev,
			wdev, NULL)) < 0) {
		WL_ERR(("IF del failed\n"));
	}

	return ret;
}

static s32
wl_cfg80211_change_p2prole(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type)
{
	s32 wlif_type;
	s32 mode = 0;
	s32 index;
	s32 err;
	s32 conn_idx = -1;
	chanspec_t chspec;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);

	WL_INFORM_MEM(("Enter. current_role:%d new_role:%d \n", ndev->ieee80211_ptr->iftype, type));

	if (!cfg->p2p || !wl_cfgp2p_vif_created(cfg)) {
		WL_ERR(("P2P not initialized \n"));
		return -EINVAL;
	}

	if (!is_p2p_group_iface(ndev->ieee80211_ptr)) {
		WL_ERR(("Wrong if type \n"));
		return -EINVAL;
	}

	/* Abort any on-going scans to avoid race condition issues */
	wl_cfg80211_cancel_scan(cfg);

	index = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr);
	if (index < 0) {
		WL_ERR(("Find bsscfg index from ndev(%p) failed\n", ndev));
		return BCME_ERROR;
	}
	if (wl_cfgp2p_find_type(cfg, index, &conn_idx) != BCME_OK) {
		return BCME_ERROR;
	}

	/* In concurrency case, STA may be already associated in a particular
	 * channel. so retrieve the current channel of primary interface and
	 * then start the virtual interface on that.
	 */
	chspec = wl_cfg80211_get_shared_freq(wiphy);
	if (type == NL80211_IFTYPE_P2P_GO) {
		/* Dual p2p doesn't support multiple P2PGO interfaces,
		 * p2p_go_count is the counter for GO creation
		 * requests.
		 */
		if ((cfg->p2p->p2p_go_count > 0) && (type == NL80211_IFTYPE_P2P_GO)) {
			WL_ERR(("FW does not support multiple GO\n"));
			return BCME_ERROR;
		}
		mode = WL_MODE_AP;
		wlif_type = WL_P2P_IF_GO;
		dhd->op_mode &= ~DHD_FLAG_P2P_GC_MODE;
		dhd->op_mode |= DHD_FLAG_P2P_GO_MODE;
	} else {
		wlif_type = WL_P2P_IF_CLIENT;
		/* for GO */
		if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
			WL_INFORM_MEM(("Downgrading P2P GO to cfg_iftype:%d \n", type));
			wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false);
			cfg->p2p->p2p_go_count--;
			/* disable interface before bsscfg free */
			err = wl_cfgp2p_ifdisable(cfg, wl_to_p2p_bss_macaddr(cfg, conn_idx));
			/* if fw doesn't support "ifdis",
			 * do not wait for link down of ap mode
			 */
			if (err == 0) {
				WL_DBG(("Wait for Link Down event for GO !!!\n"));
				wait_for_completion_timeout(&cfg->iface_disable,
					msecs_to_jiffies(500));
			} else if (err != BCME_UNSUPPORTED) {
				msleep(300);
			}
		}
	}

	wl_set_p2p_status(cfg, IF_CHANGING);
	wl_clr_p2p_status(cfg, IF_CHANGED);
	wl_cfgp2p_ifchange(cfg, wl_to_p2p_bss_macaddr(cfg, conn_idx),
		htod32(wlif_type), chspec, conn_idx);
	wait_event_interruptible_timeout(cfg->netif_change_event,
		(wl_get_p2p_status(cfg, IF_CHANGED) == true),
		msecs_to_jiffies(MAX_WAIT_TIME));

	wl_clr_p2p_status(cfg, IF_CHANGING);
	wl_clr_p2p_status(cfg, IF_CHANGED);

	if (mode == WL_MODE_AP) {
		wl_set_drv_status(cfg, CONNECTED, ndev);
	}

	return BCME_OK;
}

static s32
wl_cfg80211_change_virtual_iface(struct wiphy *wiphy, struct net_device *ndev,
	enum nl80211_iftype type,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
	u32 *flags,
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) */
	struct vif_params *params)
{
	s32 infra = 1;
	s32 err = BCME_OK;
	u16 wl_iftype;
	u16 wl_mode;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_info *netinfo = NULL;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	struct net_device *primary_ndev;

	if (!dhd)
		return -EINVAL;

	WL_INFORM_MEM(("[%s] Enter. current cfg_iftype:%d new cfg_iftype:%d \n",
		ndev->name, ndev->ieee80211_ptr->iftype, type));
	primary_ndev = bcmcfg_to_prmry_ndev(cfg);

	if (cfg80211_to_wl_iftype(type, &wl_iftype, &wl_mode) < 0) {
		WL_ERR(("Unknown role \n"));
		return -EINVAL;
	}

	mutex_lock(&cfg->if_sync);
	netinfo = wl_get_netinfo_by_wdev(cfg, ndev->ieee80211_ptr);
	if (unlikely(!netinfo)) {
#ifdef WL_STATIC_IF
		if (IS_CFG80211_STATIC_IF(cfg, ndev)) {
			/* Incase of static interfaces, the netinfo will be
			 * allocated only when FW interface is initialized. So
			 * store the value and use it during initialization.
			 */
			WL_INFORM_MEM(("skip change vif for static if\n"));
			ndev->ieee80211_ptr->iftype = type;
			err = BCME_OK;
		} else
#endif /* WL_STATIC_IF */
		{
			WL_ERR(("netinfo not found \n"));
			err = -ENODEV;
		}
		goto fail;
	}

	/* perform pre-if-change tasks */
	wl_cfg80211_iface_state_ops(ndev->ieee80211_ptr,
		WL_IF_CHANGE_REQ, wl_iftype, wl_mode);

	switch (type) {
	case NL80211_IFTYPE_ADHOC:
		infra = 0;
		break;
	case NL80211_IFTYPE_STATION:
		/* Supplicant sets iftype to STATION while removing p2p GO */
		if (ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
			/* Downgrading P2P GO */
			err = wl_cfg80211_change_p2prole(wiphy, ndev, type);
			if (unlikely(err)) {
				WL_ERR(("P2P downgrade failed \n"));
			}
		} else if (ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
			/* Downgrade role from AP to STA */
			if ((err = wl_cfg80211_add_del_bss(cfg, ndev,
				netinfo->bssidx, wl_iftype, 0, NULL)) < 0) {
				WL_ERR(("AP-STA Downgrade failed \n"));
				goto fail;
			}
		}
		break;
	case NL80211_IFTYPE_AP:
		/* intentional fall through */
	case NL80211_IFTYPE_AP_VLAN:
		{
			if (!wl_get_drv_status(cfg, AP_CREATED, ndev) &&
					wl_get_drv_status(cfg, READY, ndev)) {
				err = wl_cfg80211_set_ap_role(cfg, ndev);
				if (unlikely(err)) {
					WL_ERR(("set ap role failed!\n"));
					goto fail;
				}
			} else {
				WL_INFORM_MEM(("AP_CREATED bit set. Skip role change\n"));
			}
			break;
		}
	case NL80211_IFTYPE_P2P_GO:
		/* Intentional fall through */
	case NL80211_IFTYPE_P2P_CLIENT:
		infra = 1;
		err = wl_cfg80211_change_p2prole(wiphy, ndev, type);
		break;
	case NL80211_IFTYPE_MONITOR:
	case NL80211_IFTYPE_WDS:
	case NL80211_IFTYPE_MESH_POINT:
		/* Intentional fall through */
	default:
		WL_ERR(("Unsupported type:%d \n", type));
		err = -EINVAL;
		goto fail;
	}

	if (wl_get_drv_status(cfg, READY, ndev)) {
		err = wldev_ioctl_set(ndev, WLC_SET_INFRA, &infra, sizeof(s32));
		if (err < 0) {
			WL_ERR(("SET INFRA/IBSS  error %d\n", err));
			goto fail;
		}
	}

	wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr,
		WL_IF_CHANGE_DONE, wl_iftype, wl_mode);

	/* Update new iftype in relevant structures */
	ndev->ieee80211_ptr->iftype = type;
	netinfo->iftype = wl_iftype;
	WL_INFORM_MEM(("[%s] cfg_iftype changed to %d\n", ndev->name, type));
#ifdef WL_EXT_IAPSTA
	wl_ext_iapsta_update_iftype(ndev, netinfo->ifidx, wl_iftype);
#endif

fail:
	if (err) {
		wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
	}
	mutex_unlock(&cfg->if_sync);
	return err;
}

s32
wl_cfg80211_notify_ifadd(struct net_device *dev,
	int ifidx, char *name, uint8 *mac, uint8 bssidx, uint8 role)
{
	bool ifadd_expected = FALSE;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	bool bss_pending_op = TRUE;

	/* P2P may send WLC_E_IF_ADD and/or WLC_E_IF_CHANGE during IF updating ("p2p_ifupd")
	 * redirect the IF_ADD event to ifchange as it is not a real "new" interface
	 */
	if (wl_get_p2p_status(cfg, IF_CHANGING))
		return wl_cfg80211_notify_ifchange(dev, ifidx, name, mac, bssidx);

	/* Okay, we are expecting IF_ADD (as IF_ADDING is true) */
	if (wl_get_p2p_status(cfg, IF_ADDING)) {
		ifadd_expected = TRUE;
		wl_clr_p2p_status(cfg, IF_ADDING);
	} else if (cfg->bss_pending_op) {
		ifadd_expected = TRUE;
		bss_pending_op = FALSE;
	}

	if (ifadd_expected) {
		wl_if_event_info *if_event_info = &cfg->if_event_info;

		if_event_info->valid = TRUE;
		if_event_info->ifidx = ifidx;
		if_event_info->bssidx = bssidx;
		if_event_info->role = role;
		strlcpy(if_event_info->name, name, sizeof(if_event_info->name));
		if_event_info->name[IFNAMSIZ - 1] = '\0';
		if (mac)
			memcpy(if_event_info->mac, mac, ETHER_ADDR_LEN);

		/* Update bss pendig operation status */
		if (!bss_pending_op) {
			cfg->bss_pending_op = FALSE;
		}
		WL_INFORM_MEM(("IF_ADD ifidx:%d bssidx:%d role:%d\n",
			ifidx, bssidx, role));
		OSL_SMP_WMB();
		wake_up_interruptible(&cfg->netif_change_event);
		return BCME_OK;
	}

	return BCME_ERROR;
}

s32
wl_cfg80211_notify_ifdel(struct net_device *dev, int ifidx, char *name, uint8 *mac, uint8 bssidx)
{
	bool ifdel_expected = FALSE;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	wl_if_event_info *if_event_info = &cfg->if_event_info;
	bool bss_pending_op = TRUE;

	if (wl_get_p2p_status(cfg, IF_DELETING)) {
		ifdel_expected = TRUE;
		wl_clr_p2p_status(cfg, IF_DELETING);
	} else if (cfg->bss_pending_op) {
		ifdel_expected = TRUE;
		bss_pending_op = FALSE;
	}

	if (ifdel_expected) {
		if_event_info->valid = TRUE;
		if_event_info->ifidx = ifidx;
		if_event_info->bssidx = bssidx;
		/* Update bss pendig operation status */
		if (!bss_pending_op) {
			cfg->bss_pending_op = FALSE;
		}
		WL_INFORM_MEM(("IF_DEL ifidx:%d bssidx:%d\n", ifidx, bssidx));
		OSL_SMP_WMB();
		wake_up_interruptible(&cfg->netif_change_event);
		return BCME_OK;
	}

	return BCME_ERROR;
}

s32
wl_cfg80211_notify_ifchange(struct net_device * dev, int ifidx, char *name, uint8 *mac,
	uint8 bssidx)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	if (wl_get_p2p_status(cfg, IF_CHANGING)) {
		wl_set_p2p_status(cfg, IF_CHANGED);
		OSL_SMP_WMB();
		wake_up_interruptible(&cfg->netif_change_event);
		return BCME_OK;
	}

	return BCME_ERROR;
}

static s32 wl_set_rts(struct net_device *dev, u32 rts_threshold)
{
	s32 err = 0;

	err = wldev_iovar_setint(dev, "rtsthresh", rts_threshold);
	if (unlikely(err)) {
		WL_ERR(("Error (%d)\n", err));
		return err;
	}
	return err;
}

static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold)
{
	s32 err = 0;

	err = wldev_iovar_setint_bsscfg(dev, "fragthresh", frag_threshold, 0);
	if (unlikely(err)) {
		WL_ERR(("Error (%d)\n", err));
		return err;
	}
	return err;
}

static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l)
{
	s32 err = 0;
	u32 cmd = (l ? WLC_SET_LRL : WLC_SET_SRL);

#ifdef CUSTOM_LONG_RETRY_LIMIT
	if ((cmd == WLC_SET_LRL) &&
		(retry != CUSTOM_LONG_RETRY_LIMIT)) {
		WL_DBG(("CUSTOM_LONG_RETRY_LIMIT is used.Ignore configuration"));
		return err;
	}
#endif /* CUSTOM_LONG_RETRY_LIMIT */

	retry = htod32(retry);
	err = wldev_ioctl_set(dev, cmd, &retry, sizeof(retry));
	if (unlikely(err)) {
		WL_ERR(("cmd (%d) , error (%d)\n", cmd, err));
		return err;
	}
	return err;
}

static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(wiphy);
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	s32 err = 0;

	RETURN_EIO_IF_NOT_UP(cfg);
	WL_DBG(("Enter\n"));
	if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
		(cfg->conf->rts_threshold != wiphy->rts_threshold)) {
		cfg->conf->rts_threshold = wiphy->rts_threshold;
		err = wl_set_rts(ndev, cfg->conf->rts_threshold);
		if (err != BCME_OK)
			return err;
	}
	if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
		(cfg->conf->frag_threshold != wiphy->frag_threshold)) {
		cfg->conf->frag_threshold = wiphy->frag_threshold;
		err = wl_set_frag(ndev, cfg->conf->frag_threshold);
		if (err != BCME_OK)
			return err;
	}
	if (changed & WIPHY_PARAM_RETRY_LONG &&
		(cfg->conf->retry_long != wiphy->retry_long)) {
		cfg->conf->retry_long = wiphy->retry_long;
		err = wl_set_retry(ndev, cfg->conf->retry_long, true);
		if (err != BCME_OK)
			return err;
	}
	if (changed & WIPHY_PARAM_RETRY_SHORT &&
		(cfg->conf->retry_short != wiphy->retry_short)) {
		cfg->conf->retry_short = wiphy->retry_short;
		err = wl_set_retry(ndev, cfg->conf->retry_short, false);
		if (err != BCME_OK) {
			return err;
		}
	}

	return err;
}
static chanspec_t
channel_to_chanspec(struct wiphy *wiphy, struct net_device *dev, u32 channel, u32 bw_cap)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	u8 *buf = NULL;
	wl_uint32_list_t *list;
	int err = BCME_OK;
	chanspec_t c = 0, ret_c = 0;
	int bw = 0, tmp_bw = 0;
	int i;
	u32 tmp_c;

#define LOCAL_BUF_SIZE	1024
	buf = (u8 *)MALLOC(cfg->osh, LOCAL_BUF_SIZE);
	if (!buf) {
		WL_ERR(("buf memory alloc failed\n"));
		goto exit;
	}

	err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL,
		0, buf, LOCAL_BUF_SIZE, 0, &cfg->ioctl_buf_sync);
	if (err != BCME_OK) {
		WL_ERR(("get chanspecs failed with %d\n", err));
		goto exit;
	}

	list = (wl_uint32_list_t *)(void *)buf;
	for (i = 0; i < dtoh32(list->count); i++) {
		c = dtoh32(list->element[i]);
		if (channel <= CH_MAX_2G_CHANNEL) {
			if (!CHSPEC_IS20(c))
				continue;
			if (channel == CHSPEC_CHANNEL(c)) {
				ret_c = c;
				bw = 20;
				goto exit;
			}
		}
		tmp_c = wf_chspec_ctlchan(c);
		tmp_bw = bw2cap[CHSPEC_BW(c) >> WL_CHANSPEC_BW_SHIFT];
		if (tmp_c != channel)
			continue;

		if ((tmp_bw > bw) && (tmp_bw <= bw_cap)) {
			bw = tmp_bw;
			ret_c = c;
			if (bw == bw_cap)
				goto exit;
		}
	}
exit:
	if (buf) {
		 MFREE(cfg->osh, buf, LOCAL_BUF_SIZE);
	}
#undef LOCAL_BUF_SIZE
	WL_DBG(("return chanspec %x %d\n", ret_c, bw));
	return ret_c;
}

void
wl_cfg80211_ibss_vsie_set_buffer(struct net_device *dev, vndr_ie_setbuf_t *ibss_vsie,
	int ibss_vsie_len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	if (cfg != NULL && ibss_vsie != NULL) {
		if (cfg->ibss_vsie != NULL) {
			MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len);
		}
		cfg->ibss_vsie = ibss_vsie;
		cfg->ibss_vsie_len = ibss_vsie_len;
	}
}

static void
wl_cfg80211_ibss_vsie_free(struct bcm_cfg80211 *cfg)
{
	/* free & initiralize VSIE (Vendor Specific IE) */
	if (cfg->ibss_vsie != NULL) {
		MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len);
		cfg->ibss_vsie_len = 0;
	}
}

s32
wl_cfg80211_ibss_vsie_delete(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	char *ioctl_buf = NULL;
	s32 ret = BCME_OK, bssidx;

	if (cfg != NULL && cfg->ibss_vsie != NULL) {
		ioctl_buf = (char *)MALLOC(cfg->osh, WLC_IOCTL_MEDLEN);
		if (!ioctl_buf) {
			WL_ERR(("ioctl memory alloc failed\n"));
			return -ENOMEM;
		}
		if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
			WL_ERR(("Find index failed\n"));
			ret = BCME_ERROR;
			goto end;
		}
		/* change the command from "add" to "del" */
		strlcpy(cfg->ibss_vsie->cmd, "del", sizeof(cfg->ibss_vsie->cmd));

		ret = wldev_iovar_setbuf_bsscfg(dev, "vndr_ie",
				cfg->ibss_vsie, cfg->ibss_vsie_len,
				ioctl_buf, WLC_IOCTL_MEDLEN, bssidx, NULL);
		WL_ERR(("ret=%d\n", ret));

		if (ret == BCME_OK) {
			/* Free & initialize VSIE */
			MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len);
			cfg->ibss_vsie_len = 0;
		}
end:
		if (ioctl_buf) {
			MFREE(cfg->osh, ioctl_buf, WLC_IOCTL_MEDLEN);
		}
	}

	return ret;
}

#ifdef WLAIBSS_MCHAN
static bcm_struct_cfgdev*
bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name)
{
	int err = 0;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct wireless_dev* wdev = NULL;
	struct net_device *new_ndev = NULL;
	struct net_device *primary_ndev = NULL;
	long timeout;
	wl_aibss_if_t aibss_if;
	wl_if_event_info *event = NULL;

	if (cfg->ibss_cfgdev != NULL) {
		WL_ERR(("IBSS interface %s already exists\n", name));
		return NULL;
	}

	WL_ERR(("Try to create IBSS interface %s\n", name));
	primary_ndev = bcmcfg_to_prmry_ndev(cfg);
	/* generate a new MAC address for the IBSS interface */
	get_primary_mac(cfg, &cfg->ibss_if_addr);
	cfg->ibss_if_addr.octet[4] ^= 0x40;
	bzero(&aibss_if, sizeof(aibss_if));
	memcpy(&aibss_if.addr, &cfg->ibss_if_addr, sizeof(aibss_if.addr));
	aibss_if.chspec = 0;
	aibss_if.len = sizeof(aibss_if);

	cfg->bss_pending_op = TRUE;
	bzero(&cfg->if_event_info, sizeof(cfg->if_event_info));
	err = wldev_iovar_setbuf(primary_ndev, "aibss_ifadd", &aibss_if,
		sizeof(aibss_if), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
	if (err) {
		WL_ERR(("IOVAR aibss_ifadd failed with error %d\n", err));
		goto fail;
	}
	timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
		!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
	if (timeout <= 0 || cfg->bss_pending_op)
		goto fail;

	event = &cfg->if_event_info;
	/* By calling wl_cfg80211_allocate_if (dhd_allocate_if eventually) we give the control
	 * over this net_device interface to dhd_linux, hence the interface is managed by dhd_liux
	 * and will be freed by dhd_detach unless it gets unregistered before that. The
	 * wireless_dev instance new_ndev->ieee80211_ptr associated with this net_device will
	 * be freed by wl_dealloc_netinfo
	 */
	new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx, event->name,
		event->mac, event->bssidx, event->name);
	if (new_ndev == NULL)
		goto fail;
	wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev));
	if (wdev == NULL)
		goto fail;
	wdev->wiphy = wiphy;
	wdev->iftype = NL80211_IFTYPE_ADHOC;
	wdev->netdev = new_ndev;
	new_ndev->ieee80211_ptr = wdev;
	SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy));

	/* rtnl lock must have been acquired, if this is not the case, wl_cfg80211_register_if
	* needs to be modified to take one parameter (bool need_rtnl_lock)
	 */
	ASSERT_RTNL();
	if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev, FALSE) != BCME_OK)
		goto fail;

	wl_alloc_netinfo(cfg, new_ndev, wdev, WL_IF_TYPE_IBSS,
		PM_ENABLE, event->bssidx, event->ifidx);
	cfg->ibss_cfgdev = ndev_to_cfgdev(new_ndev);
	WL_ERR(("IBSS interface %s created\n", new_ndev->name));
	return cfg->ibss_cfgdev;

fail:
	WL_ERR(("failed to create IBSS interface %s \n", name));
	cfg->bss_pending_op = FALSE;
	if (new_ndev)
		wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, FALSE);
	if (wdev) {
		MFREE(cfg->osh, wdev, sizeof(*wdev));
	}
	return NULL;
}

static s32
bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev)
{
	int err = 0;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *ndev = NULL;
	struct net_device *primary_ndev = NULL;
	long timeout;

	if (!cfgdev || cfg->ibss_cfgdev != cfgdev || ETHER_ISNULLADDR(&cfg->ibss_if_addr.octet))
		return -EINVAL;
	ndev = (struct net_device *)cfgdev_to_ndev(cfg->ibss_cfgdev);
	primary_ndev = bcmcfg_to_prmry_ndev(cfg);

	cfg->bss_pending_op = TRUE;
	bzero(&cfg->if_event_info, sizeof(cfg->if_event_info));
	err = wldev_iovar_setbuf(primary_ndev, "aibss_ifdel", &cfg->ibss_if_addr,
		sizeof(cfg->ibss_if_addr), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
	if (err) {
		WL_ERR(("IOVAR aibss_ifdel failed with error %d\n", err));
		goto fail;
	}
	timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
		!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
	if (timeout <= 0 || cfg->bss_pending_op) {
		WL_ERR(("timeout in waiting IF_DEL event\n"));
		goto fail;
	}

	wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev, FALSE);
	cfg->ibss_cfgdev = NULL;
	return 0;

fail:
	cfg->bss_pending_op = FALSE;
	return -1;
}
#endif /* WLAIBSS_MCHAN */

s32
wl_cfg80211_to_fw_iftype(wl_iftype_t iftype)
{
	s32 ret = BCME_ERROR;

	switch (iftype) {
		case WL_IF_TYPE_AP:
			ret = WL_INTERFACE_TYPE_AP;
			break;
		case WL_IF_TYPE_STA:
			ret = WL_INTERFACE_TYPE_STA;
			break;
		case WL_IF_TYPE_NAN_NMI:
		case WL_IF_TYPE_NAN:
			ret = WL_INTERFACE_TYPE_NAN;
			break;
		case WL_IF_TYPE_P2P_DISC:
			ret = WL_INTERFACE_TYPE_P2P_DISC;
			break;
		case WL_IF_TYPE_P2P_GO:
			ret = WL_INTERFACE_TYPE_P2P_GO;
			break;
		case WL_IF_TYPE_P2P_GC:
			ret = WL_INTERFACE_TYPE_P2P_GC;
			break;

		default:
			WL_ERR(("Unsupported type:%d \n", iftype));
			ret = -EINVAL;
			break;
	}
	return ret;
}

bool
wl_legacy_chip_check(struct bcm_cfg80211 *cfg)
{
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	uint chip;

	chip = dhd_conf_get_chip(dhd);

	if (chip == BCM43362_CHIP_ID || chip == BCM4330_CHIP_ID ||
		chip == BCM43430_CHIP_ID || chip == BCM43012_CHIP_ID ||
		chip == BCM4334_CHIP_ID || chip == BCM43340_CHIP_ID ||
		chip == BCM43341_CHIP_ID || chip == BCM4324_CHIP_ID ||
		chip == BCM4335_CHIP_ID || chip == BCM4339_CHIP_ID ||
		chip == BCM4345_CHIP_ID || chip == BCM43454_CHIP_ID ||
		chip == BCM4354_CHIP_ID || chip == BCM4356_CHIP_ID ||
		chip == BCM4371_CHIP_ID || chip == BCM4359_CHIP_ID ||
		chip == BCM43143_CHIP_ID || chip == BCM43242_CHIP_ID ||
		chip == BCM43569_CHIP_ID) {
		return true;
	}

	return false;
}

s32
wl_cfg80211_interface_ops(struct bcm_cfg80211 *cfg,
	struct net_device *ndev, s32 bsscfg_idx,
	wl_iftype_t cfg_iftype, s32 del, u8 *addr)
{
	s32 ret;
	struct wl_interface_create_v2 iface;
	wl_interface_create_v3_t iface_v3;
	wl_interface_create_t iface_v0;
	struct wl_interface_info_v1 *info;
	wl_interface_info_v2_t *info_v2;
	wl_interface_info_t *info_v0;
	uint32 ifflags = 0;
	bool use_iface_info_v2 = false;
	u8 ioctl_buf[WLC_IOCTL_SMLEN];
	s32 iftype;

	if (del) {
		ret = wldev_iovar_setbuf(ndev, "interface_remove",
			NULL, 0, ioctl_buf, sizeof(ioctl_buf), NULL);
		if (unlikely(ret))
			WL_ERR(("Interface remove failed!! ret %d\n", ret));
		return ret;
	}

	/* Interface create */
	bzero(&iface, sizeof(iface));
	/*
	 * flags field is still used along with iftype inorder to support the old version of the
	 * FW work with the latest app changes.
	 */

	iftype = wl_cfg80211_to_fw_iftype(cfg_iftype);
	if (iftype < 0) {
		return -ENOTSUPP;
	}

	if (addr) {
		ifflags |= WL_INTERFACE_MAC_USE;
	}

	/* Pass ver = 0 for fetching the interface_create iovar version */
	if (wl_legacy_chip_check(cfg)) {
		bzero(&iface_v0, sizeof(iface_v0));
		iface_v0.ver = WL_INTERFACE_CREATE_VER;
		iface_v0.flags = iftype | ifflags;
		if (addr) {
			memcpy(&iface_v0.mac_addr.octet, addr, ETH_ALEN);
		}
		ret = wldev_iovar_getbuf(ndev, "interface_create",
			&iface_v0, sizeof(struct wl_interface_create),
			ioctl_buf, sizeof(ioctl_buf), NULL);
		if (ret == 0) {
			info_v0 = (wl_interface_info_t *)ioctl_buf;
			ret = info_v0->bsscfgidx;
			goto exit;
        }
	} else {
		ret = wldev_iovar_getbuf(ndev, "interface_create",
			&iface, sizeof(struct wl_interface_create_v2),
			ioctl_buf, sizeof(ioctl_buf), NULL);
	}
	if (ret == BCME_UNSUPPORTED) {
		WL_ERR(("interface_create iovar not supported\n"));
		return ret;
	} else if ((ret == 0) && *((uint32 *)ioctl_buf) == WL_INTERFACE_CREATE_VER_3) {
		WL_DBG(("interface_create version 3. flags:0x%x \n", ifflags));
		use_iface_info_v2 = true;
		bzero(&iface_v3, sizeof(wl_interface_create_v3_t));
		iface_v3.ver = WL_INTERFACE_CREATE_VER_3;
		iface_v3.iftype = iftype;
		iface_v3.flags = ifflags;
		if (addr) {
			memcpy(&iface_v3.mac_addr.octet, addr, ETH_ALEN);
		}
		ret = wldev_iovar_getbuf(ndev, "interface_create",
			&iface_v3, sizeof(wl_interface_create_v3_t),
			ioctl_buf, sizeof(ioctl_buf), NULL);
	} else {
		/* On any other error, attempt with iovar version 2 */
		WL_DBG(("interface_create version 2. get_ver:%d ifflags:0x%x\n", ret, ifflags));
		iface.ver = WL_INTERFACE_CREATE_VER_2;
		iface.iftype = iftype;
		iface.flags = ifflags;
		if (addr) {
			memcpy(&iface.mac_addr.octet, addr, ETH_ALEN);
		}
		ret = wldev_iovar_getbuf(ndev, "interface_create",
			&iface, sizeof(struct wl_interface_create_v2),
			ioctl_buf, sizeof(ioctl_buf), NULL);
	}

	if (unlikely(ret)) {
		WL_ERR(("Interface create failed!! ret %d\n", ret));
		return ret;
	}

	/* success case */
	if (use_iface_info_v2 == true) {
		info_v2 = (wl_interface_info_v2_t *)ioctl_buf;
		ret = info_v2->bsscfgidx;
	} else {
		/* Use v1 struct */
		info = (struct wl_interface_info_v1 *)ioctl_buf;
		ret = info->bsscfgidx;
	}

exit:
	WL_DBG(("wl interface create success!! bssidx:%d \n", ret));
	return ret;
}

bool
wl_customer6_legacy_chip_check(struct bcm_cfg80211 *cfg,
	struct net_device *ndev)
{
	u32 chipnum;
	wlc_rev_info_t revinfo;
	int ret;

	/* Get the device rev info */
	memset(&revinfo, 0, sizeof(revinfo));
	ret = wldev_ioctl_get(ndev, WLC_GET_REVINFO, &revinfo, sizeof(revinfo));
	if (ret < 0) {
		WL_ERR(("%s: GET revinfo FAILED. ret:%d\n", __FUNCTION__, ret));
		ASSERT(0);
		return false;
	}

	WL_DBG(("%s: GET_REVINFO device 0x%x, vendor 0x%x, chipnum 0x%x\n", __FUNCTION__,
		dtoh32(revinfo.deviceid), dtoh32(revinfo.vendorid), dtoh32(revinfo.chipnum)));
	chipnum = revinfo.chipnum;
	if ((chipnum == BCM4350_CHIP_ID) || (chipnum == BCM4355_CHIP_ID) ||
		(chipnum == BCM4345_CHIP_ID) || (chipnum == BCM43430_CHIP_ID) ||
		(chipnum == BCM43362_CHIP_ID) || (chipnum == BCM43012_CHIP_ID) ||
		(chipnum == BCM4356_CHIP_ID)) {
		/* WAR required */
		return true;
	}

	return false;
}

void
wl_bss_iovar_war(struct bcm_cfg80211 *cfg,
	struct net_device *ndev, s32 *val)
{
	u32 chipnum;
	wlc_rev_info_t revinfo;
	int ret;
	bool need_war = false;

	/* Get the device rev info */
	memset(&revinfo, 0, sizeof(revinfo));
	ret = wldev_ioctl_get(ndev, WLC_GET_REVINFO, &revinfo, sizeof(revinfo));
	if (ret < 0) {
		WL_ERR(("%s: GET revinfo FAILED. ret:%d\n", __FUNCTION__, ret));
	} else {
		WL_DBG(("%s: GET_REVINFO device 0x%x, vendor 0x%x, chipnum 0x%x\n", __FUNCTION__,
			dtoh32(revinfo.deviceid), dtoh32(revinfo.vendorid), dtoh32(revinfo.chipnum)));
		chipnum = revinfo.chipnum;
		if ((chipnum == BCM4359_CHIP_ID) || (chipnum == BCM43596_CHIP_ID)) { 
			/* WAR required */
			need_war = true;
		}
	}

	if (wl_customer6_legacy_chip_check(cfg, ndev) || need_war) {
		/* Few firmware branches have issues in bss iovar handling and
		 * that can't be changed since they are in production.
		 */
		if (*val == WLC_AP_IOV_OP_MANUAL_AP_BSSCFG_CREATE) {
			*val = WLC_AP_IOV_OP_MANUAL_STA_BSSCFG_CREATE;
		} else if (*val == WLC_AP_IOV_OP_MANUAL_STA_BSSCFG_CREATE) {
			*val = WLC_AP_IOV_OP_MANUAL_AP_BSSCFG_CREATE;
		} else {
			/* Ignore for other bss enums */
			return;
		}
		WL_DBG(("wl bss %d\n", *val));
	}
}

s32
wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg,
	struct net_device *ndev, s32 bsscfg_idx,
	wl_iftype_t brcm_iftype, s32 del, u8 *addr)
{
	s32 ret = BCME_OK;
	s32 val = 0;

	struct {
		s32 cfg;
		s32 val;
		struct ether_addr ea;
	} bss_setbuf;

	WL_DBG(("wl_iftype:%d del:%d \n", brcm_iftype, del));

	bzero(&bss_setbuf, sizeof(bss_setbuf));

	/* AP=2, STA=3, up=1, down=0, val=-1 */
	if (del) {
		val = WLC_AP_IOV_OP_DELETE;
	} else if (brcm_iftype == WL_IF_TYPE_AP) {
		/* Add/role change to AP Interface */
		WL_DBG(("Adding AP Interface \n"));
		val = WLC_AP_IOV_OP_MANUAL_AP_BSSCFG_CREATE;
	} else if (brcm_iftype == WL_IF_TYPE_STA) {
		/* Add/role change to STA Interface */
		WL_DBG(("Adding STA Interface \n"));
		val = WLC_AP_IOV_OP_MANUAL_STA_BSSCFG_CREATE;
	} else {
		WL_ERR((" add_del_bss NOT supported for IFACE type:0x%x", brcm_iftype));
		return -EINVAL;
	}

	if (!del) {
		wl_bss_iovar_war(cfg, ndev, &val);
	}

	bss_setbuf.cfg = htod32(bsscfg_idx);
	bss_setbuf.val = htod32(val);

	if (addr) {
		memcpy(&bss_setbuf.ea.octet, addr, ETH_ALEN);
	}

	WL_INFORM_MEM(("wl bss %d bssidx:%d iface:%s \n", val, bsscfg_idx, ndev->name));
	ret = wldev_iovar_setbuf(ndev, "bss", &bss_setbuf, sizeof(bss_setbuf),
		cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
	if (ret != 0)
		WL_ERR(("'bss %d' failed with %d\n", val, ret));

	return ret;
}

s32
wl_cfg80211_bss_up(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, s32 bss_up)
{
	s32 ret = BCME_OK;
	s32 val = bss_up ? 1 : 0;

	struct {
		s32 cfg;
		s32 val;
	} bss_setbuf;

	bss_setbuf.cfg = htod32(bsscfg_idx);
	bss_setbuf.val = htod32(val);

	WL_INFORM_MEM(("wl bss -C %d %s\n", bsscfg_idx, bss_up ? "up" : "down"));
	ret = wldev_iovar_setbuf(ndev, "bss", &bss_setbuf, sizeof(bss_setbuf),
		cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);

	if (ret != 0) {
		WL_ERR(("'bss %d' failed with %d\n", bss_up, ret));
	}

	return ret;
}

bool
wl_cfg80211_bss_isup(struct net_device *ndev, int bsscfg_idx)
{
	s32 result, val;
	bool isup = false;
	s8 getbuf[64];

	/* Check if the BSS is up */
	*(int*)getbuf = -1;
	result = wldev_iovar_getbuf_bsscfg(ndev, "bss", &bsscfg_idx,
		sizeof(bsscfg_idx), getbuf, sizeof(getbuf), 0, NULL);
	if (result != 0) {
		WL_ERR(("'cfg bss -C %d' failed: %d\n", bsscfg_idx, result));
		WL_ERR(("NOTE: this ioctl error is normal "
			"when the BSS has not been created yet.\n"));
	} else {
		val = *(int*)getbuf;
		val = dtoh32(val);
		WL_DBG(("wl bss -C %d = %d\n", bsscfg_idx, val));
		isup = (val ? TRUE : FALSE);
	}
	return isup;
}

s32
wl_iftype_to_mode(wl_iftype_t iftype)
{
	s32 mode = BCME_ERROR;

	switch (iftype) {
		case WL_IF_TYPE_STA:
		case WL_IF_TYPE_P2P_GC:
		case WL_IF_TYPE_P2P_DISC:
			mode = WL_MODE_BSS;
			break;
		case WL_IF_TYPE_AP:
		case WL_IF_TYPE_P2P_GO:
			mode = WL_MODE_AP;
			break;
		case WL_IF_TYPE_NAN:
			mode = WL_MODE_NAN;
			break;
		case WL_IF_TYPE_AIBSS:
			/* Intentional fall through */
		case WL_IF_TYPE_IBSS:
			mode = WL_MODE_IBSS;
			break;
		default:
			WL_ERR(("Unsupported type:%d\n", iftype));
			break;
	}
	return mode;
}

s32
cfg80211_to_wl_iftype(uint16 type, uint16 *role, uint16 *mode)
{
	switch (type) {
		case NL80211_IFTYPE_STATION:
			*role = WL_IF_TYPE_STA;
			*mode = WL_MODE_BSS;
			break;
		case NL80211_IFTYPE_AP:
			*role = WL_IF_TYPE_AP;
			*mode = WL_MODE_AP;
			break;
#ifdef WL_CFG80211_P2P_DEV_IF
		case NL80211_IFTYPE_P2P_DEVICE:
			*role = WL_IF_TYPE_P2P_DISC;
			*mode = WL_MODE_BSS;
			break;
#endif /* WL_CFG80211_P2P_DEV_IF */
		case NL80211_IFTYPE_P2P_GO:
			*role = WL_IF_TYPE_P2P_GO;
			*mode = WL_MODE_AP;
			break;
		case NL80211_IFTYPE_P2P_CLIENT:
			*role = WL_IF_TYPE_P2P_GC;
			*mode = WL_MODE_BSS;
			break;
		case NL80211_IFTYPE_MONITOR:
			WL_ERR(("Unsupported mode \n"));
			return BCME_UNSUPPORTED;
		case NL80211_IFTYPE_ADHOC:
			*role = WL_IF_TYPE_IBSS;
			*mode = WL_MODE_IBSS;
			break;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0))
		case NL80211_IFTYPE_NAN:
			*role = WL_IF_TYPE_NAN;
			*mode = WL_MODE_NAN;
			break;
#endif // endif
		default:
			WL_ERR(("Unknown interface type:0x%x\n", type));
			return BCME_ERROR;
	}
	return BCME_OK;
}

static s32
wl_role_to_cfg80211_type(uint16 role, uint16 *wl_iftype, uint16 *mode)
{
	switch (role) {
	case WLC_E_IF_ROLE_STA:
		*wl_iftype = WL_IF_TYPE_STA;
		*mode = WL_MODE_BSS;
		return NL80211_IFTYPE_STATION;
	case WLC_E_IF_ROLE_AP:
		*wl_iftype = WL_IF_TYPE_AP;
		*mode = WL_MODE_AP;
		return NL80211_IFTYPE_AP;
	case WLC_E_IF_ROLE_P2P_GO:
		*wl_iftype = WL_IF_TYPE_P2P_GO;
		*mode = WL_MODE_AP;
		return NL80211_IFTYPE_P2P_GO;
	case WLC_E_IF_ROLE_P2P_CLIENT:
		*wl_iftype = WL_IF_TYPE_P2P_GC;
		*mode = WL_MODE_BSS;
		return NL80211_IFTYPE_P2P_CLIENT;
	case WLC_E_IF_ROLE_IBSS:
		*wl_iftype = WL_IF_TYPE_IBSS;
		*mode = WL_MODE_IBSS;
		return NL80211_IFTYPE_ADHOC;
	case WLC_E_IF_ROLE_NAN:
		*wl_iftype = WL_IF_TYPE_NAN;
		*mode = WL_MODE_NAN;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && defined(WL_CFG80211_NAN)
		/* NL80211_IFTYPE_NAN should only be used with CFG80211 NAN MGMT
		 * For Vendor HAL based NAN implementation, continue advertising
		 * as a STA interface
		 */
		return NL80211_IFTYPE_NAN;
#else
		return NL80211_IFTYPE_STATION;
#endif /* ((LINUX_VER >= KERNEL_VERSION(4, 9, 0))) && WL_CFG80211_NAN */
#ifdef WLDWDS
	case WLC_E_IF_ROLE_WDS:
		*wl_iftype = WL_IF_TYPE_AP;
		*mode = WL_MODE_AP;
		return NL80211_IFTYPE_AP;
#endif

	default:
		WL_ERR(("Unknown interface role:0x%x. Forcing type station\n", role));
		return BCME_ERROR;
	}
}

struct net_device *
wl_cfg80211_post_ifcreate(struct net_device *ndev,
	wl_if_event_info *event, u8 *addr,
	const char *name, bool rtnl_lock_reqd)
{
	struct bcm_cfg80211 *cfg;
	struct net_device *primary_ndev;
	struct net_device *new_ndev = NULL;
	struct wireless_dev *wdev = NULL;
	s32 iface_type;
	s32 ret = BCME_OK;
	u16 mode;
	u8 mac_addr[ETH_ALEN];
	u16 wl_iftype;

	if (!ndev || !event) {
		WL_ERR(("Wrong arg\n"));
		return NULL;
	}

	cfg = wl_get_cfg(ndev);
	if (!cfg) {
		WL_ERR(("cfg null\n"));
		return NULL;
	}

	WL_DBG(("Enter. role:%d ifidx:%d bssidx:%d\n",
		event->role, event->ifidx, event->bssidx));
	if (!event->ifidx || !event->bssidx) {
		/* Fw returned primary idx (0) for virtual interface */
		WL_ERR(("Wrong index. ifidx:%d bssidx:%d \n",
			event->ifidx, event->bssidx));
		return NULL;
	}

	iface_type = wl_role_to_cfg80211_type(event->role, &wl_iftype, &mode);
	if (iface_type < 0) {
		/* Unknown iface type */
		WL_ERR(("Wrong iface type \n"));
		return NULL;
	}

#ifdef WL_EXT_IAPSTA
	if (wl_ext_check_mesh_creating(ndev)) {
		WL_MSG(ndev->name, "change iface_type to NL80211_IFTYPE_MESH_POINT\n");
		iface_type = NL80211_IFTYPE_MESH_POINT;
	}
#endif

	WL_DBG(("mac_ptr:%p name:%s role:%d nl80211_iftype:%d " MACDBG "\n",
		addr, name, event->role, iface_type, MAC2STRDBG(event->mac)));
	if (!name) {
		/* If iface name is not provided, use dongle ifname */
		name = event->name;
	}

	if (!addr) {
		/* If mac address is not set, use primary mac with locally administered
		 * bit set.
		 */
		primary_ndev = bcmcfg_to_prmry_ndev(cfg);
		memcpy(mac_addr, primary_ndev->dev_addr, ETH_ALEN);
		/* For customer6 builds, use primary mac address for virtual interface */
		mac_addr[0] |= 0x02;
		addr = mac_addr;
	}

#ifdef WL_STATIC_IF
	if (IS_CFG80211_STATIC_IF_NAME(cfg, name)) {
		new_ndev = wl_cfg80211_post_static_ifcreate(cfg, event, addr, iface_type);
		if (!new_ndev) {
			WL_ERR(("failed to get I/F pointer\n"));
			return NULL;
		}
		wdev = new_ndev->ieee80211_ptr;
#ifdef WL_EXT_IAPSTA
		wl_ext_iapsta_update_iftype(new_ndev, event->ifidx, wl_iftype);
#endif
	} else
#endif /* WL_STATIC_IF */
	{
		new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx,
			name, addr, event->bssidx, event->name);
		if (!new_ndev) {
			WL_ERR(("I/F allocation failed! \n"));
			return NULL;
		} else {
			WL_DBG(("I/F allocation succeeded! ifidx:0x%x bssidx:0x%x \n",
			 event->ifidx, event->bssidx));
		}

		wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev));
		if (!wdev) {
			WL_ERR(("wireless_dev alloc failed! \n"));
			wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd);
			return NULL;
		}

		wdev->wiphy = bcmcfg_to_wiphy(cfg);
		wdev->iftype = iface_type;

		new_ndev->ieee80211_ptr = wdev;
#ifdef WLDWDS
		/* set wds0.x to 4addr interface here */
		if (event->role == WLC_E_IF_ROLE_WDS) {
			printf("\n\n\n event->role == WLC_E_IF_ROLE_WDS, set vwdev 4addr to %s\n", event->name);
			wdev->use_4addr = true;
		}
#endif /* WLDWDS */
		SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy));

		memcpy(new_ndev->dev_addr, addr, ETH_ALEN);
		if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd)
			!= BCME_OK) {
			WL_ERR(("IFACE register failed \n"));
			/* Post interface registration, wdev would be freed from the netdev
			 * destructor path. For other cases, handle it here.
			 */
			MFREE(cfg->osh, wdev, sizeof(*wdev));
			wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd);
			return NULL;
		}
	}

	/* Initialize with the station mode params */
	ret = wl_alloc_netinfo(cfg, new_ndev, wdev, wl_iftype,
		PM_ENABLE, event->bssidx, event->ifidx);
	if (unlikely(ret)) {
		WL_ERR(("wl_alloc_netinfo Error (%d)\n", ret));
		goto fail;
	}

	/* Apply the mode & infra setting based on iftype */
	if ((ret = wl_config_infra(cfg, new_ndev, wl_iftype)) < 0) {
		WL_ERR(("config ifmode failure (%d)\n", ret));
		goto fail;
	}

	if (mode == WL_MODE_AP) {
		wl_set_drv_status(cfg, AP_CREATING, new_ndev);
	}

	WL_INFORM_MEM(("Network Interface (%s) registered with host."
		" cfg_iftype:%d wl_role:%d " MACDBG "\n",
		new_ndev->name, iface_type, event->role, MAC2STRDBG(new_ndev->dev_addr)));

#ifdef SUPPORT_SET_CAC
	wl_cfg80211_set_cac(cfg, 0);
#endif /* SUPPORT_SET_CAC */

	return new_ndev;

fail:
#ifdef WL_STATIC_IF
	/* remove static if from iflist */
	if (IS_CFG80211_STATIC_IF_NAME(cfg, name)) {
		cfg->static_ndev_state = NDEV_STATE_FW_IF_FAILED;
		wl_cfg80211_update_iflist_info(cfg, new_ndev, WL_STATIC_IFIDX, addr,
			event->bssidx, event->name, NDEV_STATE_FW_IF_FAILED);
	}
#endif /* WL_STATIC_IF */
	if (new_ndev) {
		/* wdev would be freed from netdev destructor call back */
		wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd);
	}

	return NULL;
}

s32
wl_cfg80211_delete_iface(struct bcm_cfg80211 *cfg,
	wl_iftype_t sec_data_if_type)
{
	struct net_info *iter, *next;
	struct net_device *primary_ndev;
	s32 ret = BCME_OK;
	uint8 i = 0;

	BCM_REFERENCE(i);
	BCM_REFERENCE(ret);

	/* Note: This function will clean up only the network interface and host
	 * data structures. The firmware interface clean up will happen in the
	 * during chip reset (ifconfig wlan0 down for built-in drivers/rmmod
	 * context for the module case).
	 */
	primary_ndev = bcmcfg_to_prmry_ndev(cfg);
	WL_DBG(("Enter, deleting iftype  %s\n",
		wl_iftype_to_str(sec_data_if_type)));
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev && (iter->ndev != primary_ndev)) {
			if (iter->iftype != sec_data_if_type) {
				continue;
			}
			switch (sec_data_if_type) {
				case WL_IF_TYPE_P2P_GO:
				case WL_IF_TYPE_P2P_GC: {
					ret = _wl_cfg80211_del_if(cfg,
						iter->ndev, NULL, iter->ndev->name);
					break;
				}
#ifdef WL_NAN
				case WL_IF_TYPE_NAN: {
					if (cfg->nan_enable == false) {
						WL_INFORM_MEM(("Nan is not active,"
							" ignore NDI delete\n"));
					} else {
						ret = wl_cfgnan_delete_ndp(cfg, iter->ndev);
					}
					break;
				}
#endif /* WL_NAN */
				case WL_IF_TYPE_AP: {
					/* Cleanup AP */
#ifdef WL_STATIC_IF
						/* handle static ap */
					if (IS_CFG80211_STATIC_IF(cfg, iter->ndev)) {
						dev_close(iter->ndev);
					} else
#endif /* WL_STATIC_IF */
					{
						/* handle virtual created AP */
						ret = _wl_cfg80211_del_if(cfg, iter->ndev,
							NULL, iter->ndev->name);
					}
					break;
				}
				default: {
					WL_ERR(("Unsupported interface type\n"));
					ret = -ENOTSUPP;
					goto fail;
				}
			}
		}
	}
fail:
	return ret;
}

void
wl_cfg80211_cleanup_virtual_ifaces(struct bcm_cfg80211 *cfg, bool rtnl_lock_reqd)
{
	struct net_info *iter, *next;
	struct net_device *primary_ndev;

	/* Note: This function will clean up only the network interface and host
	 * data structures. The firmware interface clean up will happen in the
	 * during chip reset (ifconfig wlan0 down for built-in drivers/rmmod
	 * context for the module case).
	 */
	primary_ndev = bcmcfg_to_prmry_ndev(cfg);
	WL_DBG(("Enter\n"));
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev && (iter->ndev != primary_ndev)) {
			/* Ensure interfaces are down before deleting */
#ifdef WL_STATIC_IF
			/* Avoiding cleaning static ifaces */
			if (!IS_CFG80211_STATIC_IF(cfg, iter->ndev))
#endif /* WL_STATIC_IF */
			{
				dev_close(iter->ndev);
				WL_DBG(("Cleaning up iface:%s \n", iter->ndev->name));
				wl_cfg80211_post_ifdel(iter->ndev, rtnl_lock_reqd, 0);
			}
		}
	}
}

s32
wl_cfg80211_post_ifdel(struct net_device *ndev, bool rtnl_lock_reqd, s32 ifidx)
{
	s32 ret = BCME_OK;
	struct bcm_cfg80211 *cfg;
	struct net_info *netinfo = NULL;

	if (!ndev || !ndev->ieee80211_ptr) {
		/* No wireless dev done for this interface */
		ret = -EINVAL;
		goto exit;
	}

	cfg = wl_get_cfg(ndev);
	if (!cfg) {
		WL_ERR(("cfg null\n"));
		ret = BCME_ERROR;
		goto exit;
	}

	if (ifidx <= 0) {
		WL_ERR(("Invalid IF idx for iface:%s\n", ndev->name));
		ifidx = dhd_net2idx(((struct dhd_pub *)(cfg->pub))->info, ndev);
		BCM_REFERENCE(ifidx);
		if (ifidx <= 0) {
			ASSERT(0);
			ret = BCME_ERROR;
			goto exit;
		}
	}

	if ((netinfo = wl_get_netinfo_by_wdev(cfg, ndev_to_wdev(ndev))) == NULL) {
		WL_ERR(("Find netinfo from wdev %p failed\n", ndev_to_wdev(ndev)));
		ret = -ENODEV;
		goto exit;
	}

#ifdef WL_STATIC_IF
	if (IS_CFG80211_STATIC_IF(cfg, ndev)) {
		ret = wl_cfg80211_post_static_ifdel(cfg, ndev);
	} else
#endif /* WL_STATIC_IF */
	{
		WL_INFORM_MEM(("[%s] cfg80211_remove_if ifidx:%d, vif_count:%d\n",
			ndev->name, ifidx, cfg->vif_count));
		wl_cfg80211_remove_if(cfg, ifidx, ndev, rtnl_lock_reqd);
		cfg->bss_pending_op = FALSE;
	}

#ifdef SUPPORT_SET_CAC
	wl_cfg80211_set_cac(cfg, 1);
#endif /* SUPPORT_SET_CAC */
exit:
	return ret;
}

int
wl_cfg80211_deinit_p2p_discovery(struct bcm_cfg80211 *cfg)
{
	s32 ret = BCME_OK;
	bcm_struct_cfgdev *cfgdev;

	if (cfg->p2p) {
		/* De-initialize the p2p discovery interface, if operational */
		WL_ERR(("Disabling P2P Discovery Interface \n"));
#ifdef WL_CFG80211_P2P_DEV_IF
		cfgdev = bcmcfg_to_p2p_wdev(cfg);
#else
		cfgdev = cfg->p2p_net;
#endif // endif
		if (cfgdev) {
			ret = wl_cfg80211_scan_stop(cfg, cfgdev);
			if (unlikely(ret < 0)) {
				CFGP2P_ERR(("P2P scan stop failed, ret=%d\n", ret));
			}
		}

		wl_cfgp2p_disable_discovery(cfg);
		wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = 0;
		p2p_on(cfg) = false;
	}
	return ret;
}

/* Create a Generic Network Interface and initialize it depending up on
 * the interface type
 */
struct wireless_dev *
wl_cfg80211_create_iface(struct wiphy *wiphy,
	wl_iftype_t wl_iftype,
	u8 *mac_addr, const char *name)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *new_ndev = NULL;
	struct net_device *primary_ndev = NULL;
	s32 ret = BCME_OK;
	s32 bsscfg_idx = 0;
	long timeout;
	wl_if_event_info *event = NULL;
	u8 addr[ETH_ALEN];
	struct net_info *iter, *next;

	WL_DBG(("Enter\n"));
	if (!name) {
		WL_ERR(("Interface name not provided\n"));
		return NULL;
	}
	else {
		GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
		for_each_ndev(cfg, iter, next) {
			GCC_DIAGNOSTIC_POP();
			if (iter->ndev) {
				if (strncmp(iter->ndev->name, name, strlen(name)) == 0) {
					WL_ERR(("Interface name,%s exists!\n", iter->ndev->name));
					return NULL;
				}
			}
		}
	}
	primary_ndev = bcmcfg_to_prmry_ndev(cfg);
	if (likely(!mac_addr)) {
		/* Use primary MAC with the locally administered bit for the
		 *  Secondary STA I/F
		 */
		memcpy(addr, primary_ndev->dev_addr, ETH_ALEN);
		addr[0] |= 0x02;
	} else {
		/* Use the application provided mac address (if any) */
		memcpy(addr, mac_addr, ETH_ALEN);
	}

	cfg->bss_pending_op = TRUE;
	bzero(&cfg->if_event_info, sizeof(cfg->if_event_info));

	/*
	 * Intialize the firmware I/F.
	 */
	{
		ret = wl_cfg80211_interface_ops(cfg, primary_ndev, bsscfg_idx,
			wl_iftype, 0, addr);
	}
	if (ret == BCME_UNSUPPORTED) {
		/* Use bssidx 1 by default */
		bsscfg_idx = 1;
		if ((ret = wl_cfg80211_add_del_bss(cfg, primary_ndev,
			bsscfg_idx, wl_iftype, 0, addr)) < 0) {
			goto exit;
		}
	} else if (ret < 0) {
		WL_ERR(("Interface create failed!! ret:%d \n", ret));
		goto exit;
	} else {
		/* Success */
		bsscfg_idx = ret;
	}

	WL_DBG(("Interface created!! bssidx:%d \n", bsscfg_idx));
	/*
	 * Wait till the firmware send a confirmation event back.
	 */
	WL_DBG(("Wait for the FW I/F Event\n"));
	timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
		!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
	if (timeout <= 0 || cfg->bss_pending_op) {
		WL_ERR(("ADD_IF event, didn't come. Return. timeout:%lu bss_pending_op:%d\n",
			timeout, cfg->bss_pending_op));
		if (timeout == -ERESTARTSYS) {
			WL_ERR(("waitqueue was interrupted by a signal, returns -ERESTARTSYS\n"));
		}
		goto exit;
	}

	event = &cfg->if_event_info;
	/*
	 * Since FW operation is successful,we can go ahead with the
	 * the host interface creation.
	 */
	new_ndev = wl_cfg80211_post_ifcreate(primary_ndev,
		event, addr, name, false);

	if (new_ndev) {
		/* Iface post ops successful. Return ndev/wdev ptr */
		return new_ndev->ieee80211_ptr;
	}

exit:
	cfg->bss_pending_op = FALSE;
	return NULL;
}

s32
wl_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *ndev = NULL;
	s32 ret = BCME_OK;
	s32 bsscfg_idx = 1;
	long timeout;
	u16 wl_iftype;
	u16 wl_mode;

	WL_DBG(("Enter\n"));

	/* If any scan is going on, abort it */
	if (wl_get_drv_status_all(cfg, SCANNING)) {
		WL_DBG(("Scan in progress. Aborting the scan!\n"));
		wl_cfg80211_cancel_scan(cfg);
	}

	bsscfg_idx = wl_get_bssidx_by_wdev(cfg, wdev);
	if (bsscfg_idx <= 0) {
		/* validate bsscfgidx */
		WL_ERR(("Wrong bssidx! \n"));
		return -EINVAL;
	}

	/* Handle p2p iface */
	if ((ret = wl_cfg80211_p2p_if_del(wiphy, wdev)) != BCME_NOTFOUND) {
		WL_DBG(("P2P iface del handled \n"));
#ifdef SUPPORT_SET_CAC
		wl_cfg80211_set_cac(cfg, 1);
#endif /* SUPPORT_SET_CAC */
		return ret;
	}

	ndev = wdev->netdev;
	if (unlikely(!ndev)) {
		WL_ERR(("ndev null! \n"));
		return -EINVAL;
	}

	memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));

	if (cfg80211_to_wl_iftype(ndev->ieee80211_ptr->iftype,
		&wl_iftype, &wl_mode) < 0) {
		return -EINVAL;
	}

	WL_DBG(("del interface. bssidx:%d cfg_iftype:%d wl_iftype:%d",
		bsscfg_idx, ndev->ieee80211_ptr->iftype, wl_iftype));
	/* Delete the firmware interface. "interface_remove" command
	 * should go on the interface to be deleted
	 */
	if (wl_cfg80211_get_bus_state(cfg)) {
		WL_ERR(("Bus state is down: %d\n", __LINE__));
		ret = BCME_DONGLE_DOWN;
		goto exit;
	}

	cfg->bss_pending_op = true;
	ret = wl_cfg80211_interface_ops(cfg, ndev, bsscfg_idx,
		wl_iftype, 1, NULL);
	if (ret == BCME_UNSUPPORTED) {
		if ((ret = wl_cfg80211_add_del_bss(cfg, ndev,
			bsscfg_idx, wl_iftype, true, NULL)) < 0) {
			WL_ERR(("DEL bss failed ret:%d \n", ret));
			goto exit;
		}
	} else if ((ret == BCME_NOTAP) || (ret == BCME_NOTSTA)) {
		/* De-init sequence involving role downgrade not happened.
		 * Do nothing and return error. The del command should be
		 * retried.
		 */
		WL_ERR(("ifdel role mismatch:%d\n", ret));
		ret = -EBADTYPE;
		goto exit;
	} else if (ret < 0) {
		WL_ERR(("Interface DEL failed ret:%d \n", ret));
		goto exit;
	}

	timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
		!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
	if (timeout <= 0 || cfg->bss_pending_op) {
		WL_ERR(("timeout in waiting IF_DEL event\n"));
		/* The interface unregister will happen from wifi reset context */
		ret = -ETIMEDOUT;
		/* fall through */
	}

exit:
	if (ret < 0) {
		WL_ERR(("iface del failed:%d\n", ret));
#ifdef WL_STATIC_IF
		if (IS_CFG80211_STATIC_IF(cfg, ndev)) {
			/*
			 * For static interface, clean up the host data,
			 * irrespective of fw status. For dynamic
			 * interfaces it gets cleaned from dhd_stop context
			 */
			wl_cfg80211_post_static_ifdel(cfg, ndev);
		}
#endif /* WL_STATIC_IF */
	} else {
		ret = wl_cfg80211_post_ifdel(ndev, false, cfg->if_event_info.ifidx);
		if (unlikely(ret)) {
			WL_ERR(("post_ifdel failed\n"));
		}
	}

	cfg->bss_pending_op = false;
	return ret;
}

static s32
wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_ibss_params *params)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct cfg80211_bss *bss;
	struct ieee80211_channel *chan;
	struct wl_join_params join_params;
	int scan_suppress;
	struct cfg80211_ssid ssid;
	s32 scan_retry = 0;
	s32 err = 0;
	size_t join_params_size;
	chanspec_t chanspec = 0;
	u32 param[2] = {0, 0};
	u32 bw_cap = 0;

	WL_TRACE(("In\n"));
	RETURN_EIO_IF_NOT_UP(cfg);
	WL_INFORM_MEM(("IBSS JOIN BSSID:" MACDBG "\n", MAC2STRDBG(params->bssid)));
	if (!params->ssid || params->ssid_len <= 0 ||
		params->ssid_len > DOT11_MAX_SSID_LEN) {
		WL_ERR(("Invalid parameter\n"));
		return -EINVAL;
	}
#if defined(WL_CFG80211_P2P_DEV_IF)
	chan = params->chandef.chan;
#else
	chan = params->channel;
#endif /* WL_CFG80211_P2P_DEV_IF */
	if (chan)
		cfg->channel = ieee80211_frequency_to_channel(chan->center_freq);
	if (wl_get_drv_status(cfg, CONNECTED, dev)) {
		struct wlc_ssid *lssid = (struct wlc_ssid *)wl_read_prof(cfg, dev, WL_PROF_SSID);
		u8 *bssid = (u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID);
		u32 *channel = (u32 *)wl_read_prof(cfg, dev, WL_PROF_CHAN);
		if (!params->bssid || ((memcmp(params->bssid, bssid, ETHER_ADDR_LEN) == 0) &&
			(memcmp(params->ssid, lssid->SSID, lssid->SSID_len) == 0) &&
			(*channel == cfg->channel))) {
			WL_ERR(("Connection already existed to " MACDBG "\n",
				MAC2STRDBG((u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID))));
			return -EISCONN;
		}
		WL_ERR(("Ignore Previous connecton to %s (" MACDBG ")\n",
			lssid->SSID, MAC2STRDBG(bssid)));
	}

	/* remove the VSIE */
	wl_cfg80211_ibss_vsie_delete(dev);

	bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len);
	if (!bss) {
		if (IBSS_INITIAL_SCAN_ALLOWED == TRUE) {
			memcpy(ssid.ssid, params->ssid, params->ssid_len);
			ssid.ssid_len = params->ssid_len;
			do {
				if (unlikely
					(__wl_cfg80211_scan(wiphy, dev, NULL, &ssid) ==
					 -EBUSY)) {
					wl_delay(150);
				} else {
					break;
				}
			} while (++scan_retry < WL_SCAN_RETRY_MAX);

			/* rtnl lock code is removed here. don't see why rtnl lock
			 * needs to be released.
			 */

			/* wait 4 secons till scan done.... */
			schedule_timeout_interruptible(msecs_to_jiffies(4000));

			bss = cfg80211_get_ibss(wiphy, NULL,
				params->ssid, params->ssid_len);
		}
	}
	if (bss && ((IBSS_COALESCE_ALLOWED == TRUE) ||
		((IBSS_COALESCE_ALLOWED == FALSE) && params->bssid &&
		!memcmp(bss->bssid, params->bssid, ETHER_ADDR_LEN)))) {
		cfg->ibss_starter = false;
		WL_DBG(("Found IBSS\n"));
	} else {
		cfg->ibss_starter = true;
	}

	if (bss) {
		CFG80211_PUT_BSS(wiphy, bss);
	}

	if (chan) {
		if (chan->band == IEEE80211_BAND_5GHZ)
			param[0] = WLC_BAND_5G;
		else if (chan->band == IEEE80211_BAND_2GHZ)
			param[0] = WLC_BAND_2G;
		err = wldev_iovar_getint(dev, "bw_cap", param);
		if (unlikely(err)) {
			WL_ERR(("Get bw_cap Failed (%d)\n", err));
			return err;
		}
		bw_cap = param[0];
		chanspec = channel_to_chanspec(wiphy, dev, cfg->channel, bw_cap);
	}
	/*
	 * Join with specific BSSID and cached SSID
	 * If SSID is zero join based on BSSID only
	 */
	bzero(&join_params, sizeof(join_params));
	memcpy((void *)join_params.ssid.SSID, (const void *)params->ssid,
		params->ssid_len);
	join_params.ssid.SSID_len = htod32(params->ssid_len);
	if (params->bssid) {
		memcpy(&join_params.params.bssid, params->bssid, ETHER_ADDR_LEN);
		err = wldev_ioctl_set(dev, WLC_SET_DESIRED_BSSID, &join_params.params.bssid,
			ETHER_ADDR_LEN);
		if (unlikely(err)) {
			WL_ERR(("Error (%d)\n", err));
			return err;
		}
	} else
		bzero(&join_params.params.bssid, ETHER_ADDR_LEN);

	if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) {
		scan_suppress = TRUE;
		/* Set the SCAN SUPPRESS Flag in the firmware to skip join scan */
		err = wldev_ioctl_set(dev, WLC_SET_SCANSUPPRESS,
			&scan_suppress, sizeof(int));
		if (unlikely(err)) {
			WL_ERR(("Scan Suppress Setting Failed (%d)\n", err));
			return err;
		}
	}

	join_params.params.chanspec_list[0] = chanspec;
	join_params.params.chanspec_num = 1;
	wldev_iovar_setint(dev, "chanspec", chanspec);
	join_params_size = sizeof(join_params);

	/* Disable Authentication, IBSS will add key if it required */
	wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED);
	wldev_iovar_setint(dev, "wsec", 0);

	err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params,
		join_params_size);
	if (unlikely(err)) {
		WL_ERR(("IBSS set_ssid Error (%d)\n", err));
		return err;
	}

	if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) {
		scan_suppress = FALSE;
		/* Reset the SCAN SUPPRESS Flag */
		err = wldev_ioctl_set(dev, WLC_SET_SCANSUPPRESS,
			&scan_suppress, sizeof(int));
		if (unlikely(err)) {
			WL_ERR(("Reset Scan Suppress Flag Failed (%d)\n", err));
			return err;
		}
	}
	wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID);
	wl_update_prof(cfg, dev, NULL, &cfg->channel, WL_PROF_CHAN);
#ifdef WL_RELMCAST
	cfg->rmc_event_seq = 0; /* initialize rmcfail sequence */
#endif /* WL_RELMCAST */
	return err;
}

static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = 0;
	scb_val_t scbval;
	u8 *curbssid;

	RETURN_EIO_IF_NOT_UP(cfg);
	wl_link_down(cfg);

	WL_INFORM_MEM(("Leave IBSS\n"));
	curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID);
	wl_set_drv_status(cfg, DISCONNECTING, dev);
	scbval.val = 0;
	memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
	err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval,
		sizeof(scb_val_t));
	if (unlikely(err)) {
		wl_clr_drv_status(cfg, DISCONNECTING, dev);
		WL_ERR(("error(%d)\n", err));
		return err;
	}

	/* remove the VSIE */
	wl_cfg80211_ibss_vsie_delete(dev);

	return err;
}

#ifdef MFP
static
int wl_cfg80211_get_rsn_capa(const bcm_tlv_t *wpa2ie,
	const u8** rsn_cap)
{
	u16 suite_count;
	const wpa_suite_mcast_t *mcast;
	const wpa_suite_ucast_t *ucast;
	int len;
	const wpa_suite_auth_key_mgmt_t *mgmt;

	if (!wpa2ie)
		return BCME_BADARG;

	len = wpa2ie->len;

	/* check for Multicast cipher suite */
	if ((len -= (WPA_SUITE_LEN + WPA2_VERSION_LEN)) <= 0) {
		return BCME_NOTFOUND;
	}

	mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN];

	/* Check for the unicast suite(s) */
	if (len < WPA_IE_SUITE_COUNT_LEN) {
		return BCME_NOTFOUND;
	}

	ucast = (const wpa_suite_ucast_t *)&mcast[1];
	suite_count = ltoh16_ua(&ucast->count);
	if ((suite_count > NL80211_MAX_NR_CIPHER_SUITES) ||
		(len -= (WPA_IE_SUITE_COUNT_LEN +
		(WPA_SUITE_LEN * suite_count))) <= 0)
		return BCME_BADLEN;

	/* Check for AUTH key management suite(s) */
	if (len < WPA_IE_SUITE_COUNT_LEN) {
		return BCME_NOTFOUND;
	}

	mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count];
	suite_count = ltoh16_ua(&mgmt->count);

	if ((suite_count <= NL80211_MAX_NR_CIPHER_SUITES) &&
			(len -= (WPA_IE_SUITE_COUNT_LEN +
			(WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) {
		rsn_cap[0] = (const u8 *)&mgmt->list[suite_count];
	} else {
		return BCME_BADLEN;
	}

	return BCME_OK;
}
#endif /* MFP */

static s32
wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct wl_security *sec;
	s32 val = 0;
	s32 err = 0;
	s32 bssidx;

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
		val = WPA_AUTH_PSK |
			WPA_AUTH_UNSPECIFIED;
	else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
		val = WPA2_AUTH_PSK|
			WPA2_AUTH_UNSPECIFIED;
	else
		val = WPA_AUTH_DISABLED;

	if (is_wps_conn(sme))
		val = WPA_AUTH_DISABLED;

#ifdef BCMWAPI_WPI
	if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) {
		WL_DBG((" * wl_set_wpa_version, set wpa_auth"
			" to WPA_AUTH_WAPI 0x400"));
		val = WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED;
	}
#endif // endif
	WL_INFORM_MEM(("[%s] wl wpa_auth 0x%0x\n", dev->name, val));
	err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx);
	if (unlikely(err)) {
		WL_ERR(("set wpa_auth failed (%d)\n", err));
		return err;
	}
	sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
	sec->wpa_versions = sme->crypto.wpa_versions;
	return err;
}

#ifdef BCMWAPI_WPI
static s32
wl_set_set_wapi_ie(struct net_device *dev, struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	s32 err = 0;
	s32 bssidx;

	WL_DBG((" wl_set_set_wapi_ie\n"));
	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	err = wldev_iovar_setbuf_bsscfg(dev, "wapiie", (const void *)sme->ie, sme->ie_len,
			cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		WL_ERR(("set_wapi_ie Error (%d)\n", err));
		return err;
	}
	WL_INFORM_MEM(("wapi_ie successfully (%s)\n", dev->name));
	return err;
}
#endif /* BCMWAPI_WPI */

static s32
wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct wl_security *sec;
	s32 val = 0;
	s32 err = 0;
	s32 bssidx;

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	switch (sme->auth_type) {
	case NL80211_AUTHTYPE_OPEN_SYSTEM:
		val = WL_AUTH_OPEN_SYSTEM;
		WL_DBG(("open system\n"));
		break;
	case NL80211_AUTHTYPE_SHARED_KEY:
		val = WL_AUTH_SHARED_KEY;
		WL_DBG(("shared key\n"));
		break;
	case NL80211_AUTHTYPE_AUTOMATIC:
		val = WL_AUTH_OPEN_SHARED;
		WL_DBG(("automatic\n"));
		break;
#ifdef WL_FILS
	case NL80211_AUTHTYPE_FILS_SK:
		WL_DBG(("fils shared key\n"));
		val = WL_AUTH_FILS_SHARED;
		break;
	case NL80211_AUTHTYPE_FILS_SK_PFS:
		val = WL_AUTH_FILS_SHARED_PFS;
		WL_DBG(("fils shared key with pfs\n"));
		break;
	case NL80211_AUTHTYPE_FILS_PK:
		WL_DBG(("fils public key\n"));
		val = WL_AUTH_FILS_PUBLIC;
		break;
#endif /* WL_FILS */
	default:
		val = 2;
		WL_ERR(("invalid auth type (%d)\n", sme->auth_type));
		break;
	}

	WL_INFORM_MEM(("[%s] wl auth 0x%0x \n", dev->name, val));
	err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx);
	if (unlikely(err)) {
		WL_ERR(("set auth failed (%d)\n", err));
		return err;
	}
	sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
	sec->auth_type = sme->auth_type;
	return err;
}

static u32
wl_rsn_cipher_wsec_algo_lookup(uint32 cipher)
{
	uint i;

	for (i = 0; i < ARRAYSIZE(rsn_cipher_algo_lookup_tbl); i++) {
		if (cipher == rsn_cipher_algo_lookup_tbl[i].cipher_suite) {
			return rsn_cipher_algo_lookup_tbl[i].wsec_algo;
		}
	}
	return WSEC_NONE;
}

static u32
wl_rsn_cipher_wsec_key_algo_lookup(uint32 cipher)
{
	uint i;

	for (i = 0; i < ARRAYSIZE(rsn_cipher_algo_lookup_tbl); i++) {
		if (cipher == rsn_cipher_algo_lookup_tbl[i].cipher_suite) {
			return rsn_cipher_algo_lookup_tbl[i].wsec_key_algo;
		}
	}
	return CRYPTO_ALGO_OFF;
}

static u32
wl_rsn_akm_wpa_auth_lookup(uint32 akm)
{
	uint i;

	for (i = 0; i < ARRAYSIZE(rsn_akm_wpa_auth_lookup_tbl); i++) {
		if (akm == rsn_akm_wpa_auth_lookup_tbl[i].akm_suite) {
			return rsn_akm_wpa_auth_lookup_tbl[i].wpa_auth;
		}
	}
	return WPA_AUTH_DISABLED;
}

static s32
wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct wl_security *sec;
	s32 pval = 0;
	s32 gval = 0;
	s32 err = 0;
	s32 wsec_val = 0;
#ifdef BCMWAPI_WPI
	s32 wapi_val = 0;
	s32 val = 0;
#endif // endif
	s32 bssidx;
#ifdef WL_GCMP
	uint32 algos = 0, mask = 0;
#endif /* WL_GCMP */

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (sme->crypto.n_ciphers_pairwise) {
		pval = wl_rsn_cipher_wsec_algo_lookup(sme->crypto.ciphers_pairwise[0]);
		if (pval == WSEC_NONE) {
			WL_ERR(("invalid cipher pairwise (%d)\n", sme->crypto.ciphers_pairwise[0]));
			return BCME_BADARG;
		}
		switch (sme->crypto.ciphers_pairwise[0]) {
#ifdef BCMWAPI_WPI
		case WLAN_CIPHER_SUITE_SMS4:
			val = pval;
			err = wl_set_set_wapi_ie(dev, sme);
			if (unlikely(err)) {
				WL_DBG(("Set wapi ie failed  \n"));
				return err;
			} else {
				WL_DBG(("Set wapi ie succeded\n"));
			}
			wapi_val = WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED;
			WL_INFORM_MEM(("[WAPI] wl wpa_auth to 0x%0x (%s)\n", val, dev->name));
			err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wapi_val, bssidx);
			if (unlikely(err)) {
				WL_ERR(("set wpa_auth failed (%d)\n", err));
				return err;
			}
			break;
#endif /* BCMWAPI_WPI */
#ifdef WL_GCMP
		case WLAN_CIPHER_SUITE_GCMP:
		case WLAN_CIPHER_SUITE_GCMP_256:
			algos = KEY_ALGO_MASK(wl_rsn_cipher_wsec_key_algo_lookup(
					sme->crypto.ciphers_pairwise[0]));
			mask = algos | KEY_ALGO_MASK(CRYPTO_ALGO_AES_CCM);
			break;
#endif /* WL_GCMP */
		default: /* No post processing required */
			break;
		}
	}
#if defined(BCMSUP_4WAY_HANDSHAKE)
	/* Ensure in-dongle supplicant is turned on when FBT wants to do the 4-way
	 * handshake.
	 * Note that the FW feature flag only exists on kernels that support the
	 * FT-EAP AKM suite.
	 */
	if (cfg->wdev->wiphy->features & NL80211_FEATURE_FW_4WAY_HANDSHAKE) {
		err = wldev_iovar_setint_bsscfg(dev, "sup_wpa", 1, bssidx);
		if (err) {
			WL_ERR(("FBT: Error setting sup_wpa (%d)\n", err));
			return err;
		} else {
			WL_INFORM_MEM(("idsup enabled.\n"));
		}
	}
#endif /* BCMSUP_4WAY_HANDSHAKE */
	if (sme->crypto.cipher_group) {
		gval = wl_rsn_cipher_wsec_algo_lookup(sme->crypto.cipher_group);
		if (gval == WSEC_NONE) {
			WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group));
			return BCME_BADARG;
		}
		switch (sme->crypto.cipher_group) {
#ifdef BCMWAPI_WPI
		case WLAN_CIPHER_SUITE_SMS4:
			val = gval;
			break;
#endif // endif
#ifdef WL_GCMP
		case WLAN_CIPHER_SUITE_GCMP:
		case WLAN_CIPHER_SUITE_GCMP_256:
			algos = KEY_ALGO_MASK(
				wl_rsn_cipher_wsec_key_algo_lookup(sme->crypto.cipher_group));
			mask = algos | KEY_ALGO_MASK(CRYPTO_ALGO_AES_CCM);
			break;
#endif /* WL_GCMP */
		default: /* No post processing required */
			break;
		}
	}

	WL_DBG(("pval (%d) gval (%d)\n", pval, gval));
#ifdef WL_GCMP
	WL_DBG(("algos:%x, mask:%x", algos, mask));
#endif /* WL_GCMP */

	if (is_wps_conn(sme)) {
		if (sme->privacy) {
			wsec_val = 4;
		} else {
			/* WPS-2.0 allows no security */
			wsec_val = 0;
		}
	} else {
#ifdef BCMWAPI_WPI
		if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_SMS4) {
			WL_DBG((" NO, is_wps_conn, WAPI set to SMS4_ENABLED"));
			wsec_val = val;
		} else
#endif // endif
		{
			WL_DBG((" NO, is_wps_conn, Set pval | gval to WSEC"));
			wsec_val = pval | gval;
		}
	}

	WL_INFORM_MEM(("[%s] wl wsec 0x%x\n", dev->name, wsec_val));
	err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec_val, bssidx);
	if (unlikely(err)) {
		WL_ERR(("error (%d)\n", err));
		return err;
	}
#ifdef WL_GCMP
	if (wl_set_wsec_info_algos(dev, algos, mask)) {
		WL_ERR(("set wsec_info error (%d)\n", err));
	}
#endif /* WL_GCMP */
	sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
	sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
	sec->cipher_group = sme->crypto.cipher_group;
	return err;
}
#ifdef WL_GCMP
static s32
wl_set_wsec_info_algos(struct net_device *dev, uint32 algos, uint32 mask)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	s32 bssidx;
	s32 err = 0;
	wl_wsec_info_t *wsec_info;
	bcm_xtlv_t *wsec_info_tlv;
	uint16 tlv_data_len;
	uint8 tlv_data[8];
	uint32 param_len;
	uint8 * buf;

	WL_DBG(("enter.\n"));
	if (!cfg) {
		return BCME_ERROR;
	}
	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	buf = MALLOCZ(cfg->osh, sizeof(wl_wsec_info_t) + sizeof(tlv_data));
	if (!buf) {
		WL_ERR(("No memory"));
		return BCME_NOMEM;
	}
	wsec_info = (wl_wsec_info_t *)buf;
	wsec_info->version = WL_WSEC_INFO_VERSION;
	wsec_info_tlv = (bcm_xtlv_t *)(buf + OFFSETOF(wl_wsec_info_t, tlvs));

	wsec_info->num_tlvs++;
	tlv_data_len = sizeof(tlv_data);
	err = memcpy_s(tlv_data, sizeof(tlv_data), &algos, sizeof(algos));
	if (err) {
		goto exit;
	}
	err = memcpy_s(tlv_data + sizeof(algos), sizeof(mask), &mask, sizeof(mask));
	if (err) {
		goto exit;
	}
	bcm_xtlv_pack_xtlv(wsec_info_tlv, WL_WSEC_INFO_BSS_ALGOS, tlv_data_len, tlv_data, 0);
	param_len = OFFSETOF(wl_wsec_info_t, tlvs) + WL_WSEC_INFO_TLV_HDR_LEN + tlv_data_len;

	err = wldev_iovar_setbuf_bsscfg(dev, "wsec_info", wsec_info, param_len,
		cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
	if (unlikely(err))
		WL_ERR(("wsec_info error (%d)\n", err));
exit:
	MFREE(cfg->osh, buf, sizeof(wl_wsec_info_t) + sizeof(tlv_data));
	return err;
}
#endif /* WL_GCMP */
#ifdef MFP
static s32
wl_cfg80211_set_mfp(struct bcm_cfg80211 *cfg,
	struct net_device *dev,
	struct cfg80211_connect_params *sme)
{
	s32 mfp = WL_MFP_NONE;
	s32 current_mfp = WL_MFP_NONE;
	const bcm_tlv_t *wpa2_ie;
	const u8* rsn_cap = NULL;
	bool fw_support = false;
	int err, count = 0;
	const u8 *eptr = NULL, *ptr = NULL;
	const u8* group_mgmt_cs = NULL;
	const wpa_pmkid_list_t* pmkid = NULL;

	if (!sme) {
		/* No connection params from userspace, Do nothing. */
		return 0;
	}

	/* Check fw support and retreive current mfp val */
	err = wldev_iovar_getint(dev, "mfp", &current_mfp);
	if (!err) {
		fw_support = true;
	}

	/* Parse the wpa2ie to decode the MFP capablity */
	if (((wpa2_ie = bcm_parse_tlvs((const u8 *)sme->ie, sme->ie_len,
			DOT11_MNG_RSN_ID)) != NULL) &&
			(wl_cfg80211_get_rsn_capa(wpa2_ie, &rsn_cap) == 0) && rsn_cap) {
		WL_DBG(("rsn_cap 0x%x%x\n", rsn_cap[0], rsn_cap[1]));
		/* Check for MFP cap in the RSN capability field */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
		if (sme->mfp)
#endif // endif
		{
			if (rsn_cap[0] & RSN_CAP_MFPR) {
				mfp = WL_MFP_REQUIRED;
			} else if (rsn_cap[0] & RSN_CAP_MFPC) {
				mfp = WL_MFP_CAPABLE;
			}
		}
		/*
		 * eptr --> end/last byte addr of wpa2_ie
		 * ptr --> to keep track of current/required byte addr
		 */
		eptr = (const u8*)wpa2_ie + (wpa2_ie->len + TLV_HDR_LEN);
		/* pointing ptr to the next byte after rns_cap */
		ptr = (const u8*)rsn_cap + RSN_CAP_LEN;
		if (mfp && (eptr - ptr) >= WPA2_PMKID_COUNT_LEN) {
			/* pmkid now to point to 1st byte addr of pmkid in wpa2_ie */
			pmkid = (const wpa_pmkid_list_t*)ptr;
			count = pmkid->count.low | (pmkid->count.high << 8);
			/* ptr now to point to last byte addr of pmkid */
			ptr = (const u8*)pmkid + (count * WPA2_PMKID_LEN
					+ WPA2_PMKID_COUNT_LEN);
			if ((eptr - ptr) >= WPA_SUITE_LEN) {
				/* group_mgmt_cs now to point to first byte addr of bip */
				group_mgmt_cs = ptr;
			}
		}
	}

	WL_DBG(("mfp:%d wpa2_ie ptr:%p mfp fw_support:%d\n",
		mfp, wpa2_ie, fw_support));

	if (fw_support == false) {
		if (mfp == WL_MFP_REQUIRED) {
			/* if mfp > 0, mfp capability set in wpa ie, but
			 * FW indicated error for mfp. Propagate the error up.
			 */
			WL_ERR(("mfp capability found in wpaie. But fw doesn't "
				"seem to support MFP\n"));
			err = -EINVAL;
			goto exit;
		} else {
			/* Firmware doesn't support mfp. But since connection request
			 * is for non-mfp case, don't bother.
			 */
			err = BCME_OK;
			goto exit;
		}
	} else if (mfp != current_mfp) {
		err = wldev_iovar_setint(dev, "mfp", mfp);
		if (unlikely(err)) {
			WL_ERR(("mfp (%d) set failed ret:%d \n", mfp, err));
			goto exit;
		}
		WL_INFORM_MEM(("[%s] wl mfp 0x%x\n", dev->name, mfp));
	}

	if (group_mgmt_cs && bcmp((const uint8 *)WPA2_OUI,
			group_mgmt_cs, (WPA_SUITE_LEN - 1)) == 0) {
		WL_DBG(("BIP is found\n"));
		err = wldev_iovar_setbuf(dev, "bip",
			group_mgmt_cs, WPA_SUITE_LEN, cfg->ioctl_buf,
			WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
		/*
		 * Dont return failure for unsupported cases
		 * of bip iovar for backward compatibility
		 */
		if (err != BCME_UNSUPPORTED && err < 0) {
			WL_ERR(("bip set error (%d)\n", err));
				{
					goto exit;
				}
		} else {
			WL_INFORM_MEM(("[%s] wl bip %02X:%02X:%02X\n",
				dev->name, group_mgmt_cs[0], group_mgmt_cs[1],
				group_mgmt_cs[2]));
		}
	}
exit:
	if (err) {
		wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg),
			FW_LOGSET_MASK_ALL);
	}

	return 0;
}
#endif /* MFP */

#ifdef WL_FILS
bool
wl_is_fils_supported(struct net_device *ndev)
{
	s32 err;
	u8 ioctl_buf[WLC_IOCTL_SMLEN] = {0};
	bcm_iov_buf_t *iov_buf = (bcm_iov_buf_t *)ioctl_buf;

	iov_buf->version = WL_FILS_IOV_VERSION;
	err = wldev_iovar_getbuf(ndev, "fils", (uint8*)iov_buf, sizeof(bcm_iov_buf_t),
		iov_buf, WLC_IOCTL_SMLEN, NULL);
	if (err == BCME_UNSUPPORTED) {
		WL_DBG(("FILS NOT supported\n"));
		return false;
	}

	WL_INFORM(("FILS supported\n"));
	return true;
}

#define WL_NUM_OF_TLV_IN_SET_FILS_PARAMS	4u
static s32
wl_set_fils_params(struct net_device *dev, struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	bcm_iov_buf_t *iov_buf = NULL;
	bcm_xtlvbuf_t tbuf;
	s32 err = BCME_OK;
	uint32 buf_size;

	if ((sme->auth_type != NL80211_AUTHTYPE_FILS_SK) &&
		(sme->auth_type != NL80211_AUTHTYPE_FILS_SK_PFS) &&
		(sme->auth_type != NL80211_AUTHTYPE_FILS_PK)) {
		return BCME_OK;
	}
	if (sme->fils_erp_rrk_len > WL_MAX_FILS_KEY_LEN) {
		WL_ERR(("%s: FILS rRK exceed allowed size\n", __FUNCTION__));
		err = BCME_BADARG;
		goto exit;
	}
	/* Check incoming buffer length */
	buf_size = sme->fils_erp_username_len + sme->fils_erp_realm_len + sme->fils_erp_rrk_len +
		sizeof(sme->fils_erp_next_seq_num) +
		WL_NUM_OF_TLV_IN_SET_FILS_PARAMS * BCM_XTLV_HDR_SIZE_EX(BCM_XTLV_OPTION_ALIGN32) +
		sizeof(bcm_iov_buf_t) - 1u;

	if (buf_size > WLC_IOCTL_SMLEN) {
		WL_ERR(("%s: FILS connect params arguments exceed allowed size\n", __FUNCTION__));
		err = BCME_BADARG;
		goto exit;
	}
	iov_buf = MALLOCZ(cfg->osh, WLC_IOCTL_SMLEN);
	if (!iov_buf) {
		WL_ERR(("%s: iov_buf alloc failed! %d bytes\n", __FUNCTION__, WLC_IOCTL_SMLEN));
		err = BCME_NOMEM;
		goto exit;
	}
	iov_buf->version = WL_FILS_IOV_VERSION;
	iov_buf->id = WL_FILS_CMD_ADD_CONNECT_PARAMS;
	/* check if this should be len w/o headers */
	err = bcm_xtlv_buf_init(&tbuf, (uint8*)&iov_buf->data[0],
		WLC_IOCTL_SMLEN - sizeof(bcm_iov_buf_t) + sizeof(uint16),
		BCM_XTLV_OPTION_ALIGN32);
	if (err != BCME_OK) {
		WL_ERR(("%s: xtlv_context initialization failed\n", __FUNCTION__));
		goto exit;
	}
	if (sme->fils_erp_username_len && sme->fils_erp_username != NULL) {
		err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_USERNAME,
			sme->fils_erp_username, sme->fils_erp_username_len);
		if (err != BCME_OK) {
			WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
			goto exit;
		}
	}
	if (sme->fils_erp_realm_len && sme->fils_erp_realm != NULL) {
		err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_REALM,
			sme->fils_erp_realm, sme->fils_erp_realm_len);
		if (err != BCME_OK) {
			WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
			goto exit;
		}
	}
	if (sme->fils_erp_rrk_len && sme->fils_erp_rrk != NULL) {
		err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_RRK,
			sme->fils_erp_rrk, sme->fils_erp_rrk_len);
		if (err != BCME_OK) {
			WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
			goto exit;
		}
	}
	err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_NEXT_SEQ_NUM,
			(u8 *)&sme->fils_erp_next_seq_num, sizeof(sme->fils_erp_next_seq_num));
	if (err != BCME_OK) {
		WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
		goto exit;
	}
	iov_buf->len = bcm_xtlv_buf_len(&tbuf);
	err = wldev_iovar_setbuf(dev, "fils", iov_buf, iov_buf->len + sizeof(bcm_iov_buf_t) -
		sizeof(uint16), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		 WL_ERR(("set fils params ioctl error (%d)\n", err));
		 goto exit;
	}

exit:
	if (err != BCME_OK) {
		WL_ERR(("set FILS params error %d\n", err));
	}
	else {
		WL_INFORM_MEM(("FILS parameters succesfully applied\n"));
	}
	if (iov_buf) {
		MFREE(cfg->osh, iov_buf, WLC_IOCTL_SMLEN);
	}
	return err;
}

#if !defined(WL_FILS_ROAM_OFFLD) && defined(WL_FILS)
static s32
wl_get_bcn_timeout(struct net_device *dev, u32 *bcn_timeout)
{
	s32 err = 0;

	err = wldev_iovar_getint(dev, "bcn_timeout", bcn_timeout);
	if (unlikely(err)) {
		WL_ERR(("could not get bcn_timeout (%d)\n", err));
	}
	return err;
}

#define WL_ROAM_ENABLE	0
#define WL_ROAM_DISABLE 1
/* Beacon Timeout beacon loss in case FILS roaming offload is not supported by fw */
#define WL_BCN_TIMEOUT	3

static s32
wl_fils_toggle_roaming(struct net_device *dev, u32 auth_type)
{
	s32 err = 0;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	if (WPA2_AUTH_IS_FILS(auth_type) && !cfg->fils_info.fils_roam_disabled) {
		err = wl_get_bcn_timeout(dev, &cfg->fils_info.fils_bcn_timeout_cache);
		if (unlikely(err)) {
			return err;
		}
		wl_dongle_roam(dev, WL_ROAM_DISABLE, WL_BCN_TIMEOUT);
		cfg->fils_info.fils_roam_disabled = true;
		WL_INFORM_MEM(("fw roam disabled for FILS akm\n"));
	} else if (cfg->fils_info.fils_roam_disabled) {
		/* Enable roaming back for other auth types */
		wl_dongle_roam(dev, WL_ROAM_ENABLE, cfg->fils_info.fils_bcn_timeout_cache);
		cfg->fils_info.fils_roam_disabled = false;
		WL_INFORM_MEM(("fw roam enabled\n"));
	}
	return err;
}
#endif /* !WL_FILS_ROAM_OFFLD && WL_FILS */
#endif /* WL_FILS */

static s32
wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct wl_security *sec;
	s32 val = 0;
	s32 err = 0;
	s32 bssidx;

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (sme->crypto.n_akm_suites) {
		err = wldev_iovar_getint(dev, "wpa_auth", &val);
		if (unlikely(err)) {
			WL_ERR(("could not get wpa_auth (%d)\n", err));
			return err;
		}
		if (val & (WPA_AUTH_PSK |
			WPA_AUTH_UNSPECIFIED)) {
			switch (sme->crypto.akm_suites[0]) {
			case WLAN_AKM_SUITE_8021X:
				val = WPA_AUTH_UNSPECIFIED;
				break;
			case WLAN_AKM_SUITE_PSK:
				val = WPA_AUTH_PSK;
				break;
			default:
				WL_ERR(("invalid akm suite (0x%x)\n",
					sme->crypto.akm_suites[0]));
				return -EINVAL;
			}
		} else if (val & (WPA2_AUTH_PSK |
			WPA2_AUTH_UNSPECIFIED)) {
			switch (sme->crypto.akm_suites[0]) {
#ifdef MFP
			case WL_AKM_SUITE_SHA256_1X:
				val = WPA2_AUTH_1X_SHA256;
				break;
			case WL_AKM_SUITE_SHA256_PSK:
				val = WPA2_AUTH_PSK_SHA256;
				break;
#endif /* MFP */
			case WLAN_AKM_SUITE_8021X:
			case WLAN_AKM_SUITE_PSK:
#if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_8021X)
			case WLAN_AKM_SUITE_FT_8021X:
#endif // endif
#if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_PSK)
			case WLAN_AKM_SUITE_FT_PSK:
#endif // endif
			case WLAN_AKM_SUITE_FILS_SHA256:
			case WLAN_AKM_SUITE_FILS_SHA384:
			case WLAN_AKM_SUITE_8021X_SUITE_B:
			case WLAN_AKM_SUITE_8021X_SUITE_B_192:
#ifdef WL_OWE
			case WLAN_AKM_SUITE_OWE:
#endif /* WL_OWE */
#ifdef WL_SAE
			case WLAN_AKM_SUITE_SAE:
#endif /* WL_SAE */
			case WLAN_AKM_SUITE_FT_8021X_SHA384:
				val = wl_rsn_akm_wpa_auth_lookup(sme->crypto.akm_suites[0]);
				break;
			case WLAN_AKM_SUITE_FT_FILS_SHA256:
				val = WPA2_AUTH_FILS_SHA256 | WPA2_AUTH_FT;
				break;
			case WLAN_AKM_SUITE_FT_FILS_SHA384:
				val = WPA2_AUTH_FILS_SHA384 | WPA2_AUTH_FT;
				break;
			default:
				WL_ERR(("invalid akm suite (0x%x)\n",
					sme->crypto.akm_suites[0]));
				return -EINVAL;
			}
		}
#ifdef BCMWAPI_WPI
		else if (val & (WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED)) {
			switch (sme->crypto.akm_suites[0]) {
			case WLAN_AKM_SUITE_WAPI_CERT:
				val = WAPI_AUTH_UNSPECIFIED;
				break;
			case WLAN_AKM_SUITE_WAPI_PSK:
				val = WAPI_AUTH_PSK;
				break;
			default:
				WL_ERR(("invalid akm suite (0x%x)\n",
					sme->crypto.akm_suites[0]));
				return -EINVAL;
			}
		}
#endif // endif

#ifdef WL_FILS
#if !defined(WL_FILS_ROAM_OFFLD)
	err = wl_fils_toggle_roaming(dev, val);
	if (unlikely(err)) {
		return err;
	}
#endif /* !WL_FILS_ROAM_OFFLD */
#endif /* !WL_FILS */

#ifdef MFP
		if ((err = wl_cfg80211_set_mfp(cfg, dev, sme)) < 0) {
			WL_ERR(("MFP set failed err:%d\n", err));
			return -EINVAL;
		}
#endif /* MFP */

		WL_INFORM_MEM(("[%s] wl wpa_auth to 0x%x\n", dev->name, val));
		err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx);
		if (unlikely(err)) {
			WL_ERR(("could not set wpa_auth (0x%x)\n", err));
			return err;
		}
	}
	sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
	sec->wpa_auth = sme->crypto.akm_suites[0];

	return err;
}

static s32
wl_set_set_sharedkey(struct net_device *dev,
	struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct wl_security *sec;
	struct wl_wsec_key key;
	s32 val;
	s32 err = 0;
	s32 bssidx;

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	WL_DBG(("key len (%d)\n", sme->key_len));
	if (sme->key_len) {
		sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
		WL_DBG(("wpa_versions 0x%x cipher_pairwise 0x%x\n",
			sec->wpa_versions, sec->cipher_pairwise));
		if (!(sec->wpa_versions & (NL80211_WPA_VERSION_1 |
			NL80211_WPA_VERSION_2)) &&
#ifdef BCMWAPI_WPI
			!is_wapi(sec->cipher_pairwise) &&
#endif // endif
			(sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 |
			WLAN_CIPHER_SUITE_WEP104)))
		{
			bzero(&key, sizeof(key));
			key.len = (u32) sme->key_len;
			key.index = (u32) sme->key_idx;
			if (unlikely(key.len > sizeof(key.data))) {
				WL_ERR(("Too long key length (%u)\n", key.len));
				return -EINVAL;
			}
			memcpy(key.data, sme->key, key.len);
			key.flags = WL_PRIMARY_KEY;
			if ((sec->cipher_pairwise == WLAN_CIPHER_SUITE_WEP40) ||
			    (sec->cipher_pairwise == WLAN_CIPHER_SUITE_WEP104)) {
				key.algo = wl_rsn_cipher_wsec_key_algo_lookup(sec->cipher_pairwise);
			} else {
				WL_ERR(("Invalid algorithm (%d)\n",
					sme->crypto.ciphers_pairwise[0]));
				return -EINVAL;
			}
			/* Set the new key/index */
			WL_DBG(("key length (%d) key index (%d) algo (%d)\n",
				key.len, key.index, key.algo));
			WL_DBG(("key \"%s\"\n", key.data));
			swap_key_from_BE(&key);
			err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key),
				cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
			if (unlikely(err)) {
				WL_ERR(("WLC_SET_KEY error (%d)\n", err));
				return err;
			}
			WL_INFORM_MEM(("key applied to fw\n"));
			if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
				WL_DBG(("set auth_type to shared key\n"));
				val = WL_AUTH_SHARED_KEY;	/* shared key */
				err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx);
				if (unlikely(err)) {
					WL_ERR(("set auth failed (%d)\n", err));
					return err;
				}
			}
		}
	}
	return err;
}

#if defined(ESCAN_RESULT_PATCH)
static u8 connect_req_bssid[6];
static u8 broad_bssid[6];
#endif /* ESCAN_RESULT_PATCH */

#if defined(CUSTOM_SET_CPUCORE) || defined(CONFIG_TCPACK_FASTTX)
static bool wl_get_chan_isvht80(struct net_device *net, dhd_pub_t *dhd)
{
	u32 chanspec = 0;
	bool isvht80 = 0;

	if (wldev_iovar_getint(net, "chanspec", (s32 *)&chanspec) == BCME_OK)
		chanspec = wl_chspec_driver_to_host(chanspec);

	isvht80 = chanspec & WL_CHANSPEC_BW_80;
	WL_DBG(("wl_get_chan_isvht80: chanspec(%x:%d)\n", chanspec, isvht80));

	return isvht80;
}
#endif /* CUSTOM_SET_CPUCORE || CONFIG_TCPACK_FASTTX */

int wl_cfg80211_cleanup_mismatch_status(struct net_device *dev, struct bcm_cfg80211 *cfg,
	bool disassociate)
{
	scb_val_t scbval;
	int err = TRUE;
	int wait_cnt;

	if (disassociate) {
		dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
		BCM_REFERENCE(dhdp);
		DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START),
			dhd_net2idx(dhdp->info, dev), DOT11_RC_DISASSOC_LEAVING);
		WL_ERR(("Disassociate previous connection!\n"));
		wl_set_drv_status(cfg, DISCONNECTING, dev);
		scbval.val = DOT11_RC_DISASSOC_LEAVING;
		scbval.val = htod32(scbval.val);

		err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval,
				sizeof(scb_val_t));
		if (unlikely(err)) {
			wl_clr_drv_status(cfg, DISCONNECTING, dev);
			WL_ERR(("error (%d)\n", err));
			return err;
		}
		wait_cnt = 500/10;
	} else {
		wait_cnt = 200/10;
		WL_ERR(("Waiting for previous DISCONNECTING status!\n"));
		if (wl_get_drv_status(cfg, DISCONNECTING, dev)) {
			wl_clr_drv_status(cfg, DISCONNECTING, dev);
		}
	}

	while (wl_get_drv_status(cfg, DISCONNECTING, dev) && wait_cnt) {
		WL_DBG(("Waiting for disconnection terminated, wait_cnt: %d\n",
			wait_cnt));
		wait_cnt--;
		OSL_SLEEP(10);
	}

	if (wait_cnt == 0) {
		WL_ERR(("DISCONNECING clean up failed!\n"));
		/* Clear DISCONNECTING driver status as we have made sufficient attempts
		* for driver clean up.
		*/
		wl_clr_drv_status(cfg, DISCONNECTING, dev);
		wl_clr_drv_status(cfg, CONNECTED, dev);
		return BCME_NOTREADY;
	}
	return BCME_OK;
}

#ifdef WL_FILS
static int
wl_fils_add_hlp_container(struct bcm_cfg80211 *cfg, struct net_device *dev,
	const uint8* ie_buf, uint16 ie_len)
{
	const bcm_tlv_ext_t *hlp_ie;

	if ((hlp_ie = (const bcm_tlv_ext_t*)bcm_parse_tlvs_dot11((const uint8 *)ie_buf, ie_len,
		FILS_HLP_CONTAINER_EXT_ID, TRUE))) {
		u16 hlp_len = hlp_ie->len;
		u16 left_len = (ie_len - ((const uint8*)hlp_ie - ie_buf));
		bcm_iov_buf_t *iov_buf = 0;
		uint8* pxtlv;
		int err;
		size_t iov_buf_len;
		bcm_tlv_dot11_frag_tot_len(ie_buf, ie_len, FILS_HLP_CONTAINER_EXT_ID,
			TRUE, (uint*)&hlp_len);

		hlp_len += BCM_TLV_EXT_HDR_SIZE;

		if ((hlp_len > DOT11_MAX_MPDU_BODY_LEN) || (hlp_len > left_len)) {
			WL_ERR(("bad HLP length %d\n", hlp_len));
			return EFAULT;
		}
		iov_buf_len = sizeof(bcm_iov_buf_t) + sizeof(bcm_xtlv_t) - 1 + hlp_len;
		iov_buf = MALLOCZ(cfg->osh, iov_buf_len);
		if (iov_buf == NULL) {
			WL_ERR(("failed to allocated iov_buf\n"));
			return ENOMEM;
		}

		prhex("HLP, HLP", (const uchar *)hlp_ie, hlp_len);

		pxtlv = (uint8 *)&iov_buf->data[0];
		((bcm_xtlv_t*)pxtlv)->id = WL_FILS_XTLV_HLP_IE;
		((bcm_xtlv_t*)pxtlv)->len = hlp_len;

		memcpy(((bcm_xtlv_t*)pxtlv)->data, hlp_ie, ((bcm_xtlv_t*)pxtlv)->len);

		iov_buf->version = WL_FILS_IOV_VERSION;
		iov_buf->id = WL_FILS_CMD_ADD_HLP_IE;
		iov_buf->len = ((sizeof(bcm_xtlv_t)-1) + ((bcm_xtlv_t*)pxtlv)->len);

		err = wldev_iovar_setbuf(dev, "fils", iov_buf,
				sizeof(bcm_iov_buf_t) + iov_buf->len,
				cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
		if (unlikely(err)) {
			WL_ERR(("fils wldev_iovar_setbuf error (%d)\n", err));
		}
		else {
			WL_INFORM_MEM(("FILS HLP Packet succesfully updated\n"));
		}
		MFREE(cfg->osh, iov_buf, iov_buf_len);
	}
	return BCME_OK;
}
#endif /* WL_FILS */

#if defined(WL_FILS)
#ifndef UPDATE_FILS_ERP_INFO
#define UPDATE_FILS_ERP_INFO	BIT(1)
#define UPDATE_AUTH_TYPE	BIT(2)
#endif // endif

static int
wl_cfg80211_update_connect_params(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_connect_params *sme, u32 changed)
{
	s32 err = BCME_OK;
	if (changed & UPDATE_FILS_ERP_INFO) {
		err = wl_set_fils_params(dev, sme);

		if (unlikely(err)) {
			WL_ERR(("Invalid FILS params\n"));
			goto exit;
		}
	}
	if (changed & UPDATE_AUTH_TYPE) {
		err = wl_set_auth_type(dev, sme);
		if (unlikely(err)) {
			WL_ERR(("Invalid auth type\n"));
			goto exit;
		}
	}
	if ((changed & UPDATE_FILS_ERP_INFO) && !(changed & UPDATE_AUTH_TYPE)) {
		WL_DBG(("Warning: FILS ERP params are set, but authentication type - not\n"));
	}
exit:
	return err;

}
#endif /* WL_FILS */

#define MAX_SCAN_ABORT_WAIT_CNT 20
#define WAIT_SCAN_ABORT_OSL_SLEEP_TIME 10

static s32
wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_connect_params *sme)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct ieee80211_channel *chan = sme->channel;
	wl_extjoin_params_t *ext_join_params;
	struct wl_join_params join_params;
	size_t join_params_size;
	dhd_pub_t *dhdp =  (dhd_pub_t *)(cfg->pub);
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
	s32 roam_trigger[2] = {0, 0};
#endif /* ROAM_AP_ENV_DETECTION */
	s32 err = 0;
	const wpa_ie_fixed_t *wpa_ie;
	const bcm_tlv_t *wpa2_ie;
	const u8* wpaie  = 0;
	u32 wpaie_len = 0;
	u32 chan_cnt = 0;
	struct ether_addr bssid;
	s32 bssidx = -1;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
	bool skip_hints = fw_ap_select;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */
#ifdef ESCAN_CHANNEL_CACHE
	chanspec_t chanspec_list[MAX_ROAM_CHANNEL];
#endif /* ESCAN_CHANNEL_CACHE */
	int wait_cnt;
	char sec[32];

	WL_DBG(("In\n"));
	if (!dev) {
		WL_ERR(("dev is null\n"));
		return -EINVAL;
	}
	BCM_REFERENCE(dhdp);
	DHD_STATLOG_CTRL(dhdp, ST(ASSOC_START), dhd_net2idx(dhdp->info, dev), 0);

#ifdef ESCAN_CHANNEL_CACHE
	memset(chanspec_list, 0, (sizeof(chanspec_t) * MAX_ROAM_CHANNEL));
#endif /* ESCAN_CHANNEL_CACHE */

	/* Connection attempted via linux-wireless */
	wl_set_drv_status(cfg, CFG80211_CONNECT, dev);
#ifdef DHDTCPSYNC_FLOOD_BLK
	dhd_reset_tcpsync_info_by_dev(dev);
#endif /* DHDTCPSYNC_FLOOD_BLK */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
#ifdef WL_SKIP_CONNECT_HINTS
	skip_hints = true;
#elif defined(WL_FW_OCE_AP_SELECT)
	/* override bssid_hint for oce networks */
	skip_hints = (fw_ap_select && wl_cfg80211_is_oce_ap(wiphy, sme->bssid_hint));
#endif // endif
	if (skip_hints) {
		/* Let fw choose the best AP */
		WL_INFORM(("skipping bssid & channel hint\n"));
	} else {
		if (sme->channel_hint) {
			chan = sme->channel_hint;
			WL_INFORM_MEM(("channel_hint (%d), channel_hint center_freq (%d)\n",
				ieee80211_frequency_to_channel(sme->channel_hint->center_freq),
				sme->channel_hint->center_freq));
		}
		if (sme->bssid_hint) {
			sme->bssid = sme->bssid_hint;
			WL_INFORM_MEM(("bssid_hint "MACDBG" \n", MAC2STRDBG(sme->bssid_hint)));
		}
	}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */

	if (unlikely(!sme->ssid)) {
		WL_ERR(("Invalid ssid\n"));
		return -EOPNOTSUPP;
	}

	if (unlikely(sme->ssid_len > DOT11_MAX_SSID_LEN)) {
		WL_ERR(("Invalid SSID info: SSID=%s, length=%zd\n",
			sme->ssid, sme->ssid_len));
		return -EINVAL;
	}

	WL_DBG(("SME IE : len=%zu\n", sme->ie_len));
	if (sme->ie != NULL && sme->ie_len > 0 && (wl_dbg_level & WL_DBG_DBG)) {
		prhex(NULL, sme->ie, sme->ie_len);
	}

	RETURN_EIO_IF_NOT_UP(cfg);
	/*
	 * Cancel ongoing scan to sync up with sme state machine of cfg80211.
	 */
	if (cfg->scan_request) {
		WL_TRACE_HW4(("Aborting the scan! \n"));
		wl_cfg80211_scan_abort(cfg);
		wait_cnt = MAX_SCAN_ABORT_WAIT_CNT;
		while (wl_get_drv_status(cfg, SCANNING, dev) && wait_cnt) {
			WL_DBG(("Waiting for SCANNING terminated, wait_cnt: %d\n", wait_cnt));
			wait_cnt--;
			OSL_SLEEP(WAIT_SCAN_ABORT_OSL_SLEEP_TIME);
		}
		if (wl_get_drv_status(cfg, SCANNING, dev)) {
			wl_cfg80211_cancel_scan(cfg);
		}
	}
#ifdef WL_SCHED_SCAN
	/* Locks are taken in wl_cfg80211_sched_scan_stop()
	 * A start scan occuring during connect is unlikely
	 */
	if (cfg->sched_scan_req) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
		wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg),
				cfg->sched_scan_req->reqid);
#else
		wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg));
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) */
	}
#endif /* WL_SCHED_SCAN */
#ifdef WL_CFG80211_GON_COLLISION
	/* init block gon req count  */
	cfg->block_gon_req_tx_count = 0;
	cfg->block_gon_req_rx_count = 0;
#endif /* WL_CFG80211_GON_COLLISION */
#if defined(ESCAN_RESULT_PATCH)
	if (sme->bssid)
		memcpy(connect_req_bssid, sme->bssid, ETHER_ADDR_LEN);
	else
		bzero(connect_req_bssid, ETHER_ADDR_LEN);
	bzero(broad_bssid, ETHER_ADDR_LEN);
#endif // endif
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
	maxrxpktglom = 0;
#endif // endif
	if (wl_get_drv_status(cfg, CONNECTING, dev) || wl_get_drv_status(cfg, CONNECTED, dev)) {
		/* set nested connect bit to identify the context */
		wl_set_drv_status(cfg, NESTED_CONNECT, dev);
		/* DHD prev status is CONNECTING/CONNECTED */
		err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, TRUE);
	} else if (wl_get_drv_status(cfg, DISCONNECTING, dev)) {
		/* DHD prev status is DISCONNECTING */
		err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, false);
	} else if (!wl_get_drv_status(cfg, CONNECTED, dev)) {
		/* DHD previous status is not connected and FW connected */
		if (wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN) == 0) {
			/* set nested connect bit to identify the context */
			wl_set_drv_status(cfg, NESTED_CONNECT, dev);
			err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, true);
		}
	}
	wl_cfg80211_check_in4way(cfg, dev, WAIT_DISCONNECTED,
		WL_EXT_STATUS_CONNECTING, NULL);

	if (sme->bssid) {
		wl_update_prof(cfg, dev, NULL, sme->bssid, WL_PROF_LATEST_BSSID);
	} else {
		wl_update_prof(cfg, dev, NULL, &ether_bcast, WL_PROF_LATEST_BSSID);
	}
#ifdef SUPPORT_AP_BWCTRL
	if (dhdp->op_mode & DHD_FLAG_HOSTAP_MODE) {
		wl_restore_ap_bw(cfg);
	}
#endif /* SUPPORT_AP_BWCTRL */
	/* 'connect' request received */
	wl_set_drv_status(cfg, CONNECTING, dev);
	/* clear nested connect bit on proceeding for connection */
	wl_clr_drv_status(cfg, NESTED_CONNECT, dev);

	/* Clean BSSID */
	bzero(&bssid, sizeof(bssid));
	if (!wl_get_drv_status(cfg, DISCONNECTING, dev))
		wl_update_prof(cfg, dev, NULL, (void *)&bssid, WL_PROF_BSSID);

	if (p2p_is_on(cfg) && (dev != bcmcfg_to_prmry_ndev(cfg))) {
		/* we only allow to connect using virtual interface in case of P2P */
			if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
				WL_ERR(("Find p2p index from wdev(%p) failed\n",
					dev->ieee80211_ptr));
				err = BCME_ERROR;
				goto exit;
			}
			wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
				VNDR_IE_ASSOCREQ_FLAG, sme->ie, sme->ie_len);
	} else if (dev == bcmcfg_to_prmry_ndev(cfg)) {
		if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
			WL_ERR(("Find wlan index from wdev(%p) failed\n", dev->ieee80211_ptr));
			err = BCME_ERROR;
			goto exit;
		}

		/* find the RSN_IE */
		if ((wpa2_ie = bcm_parse_tlvs((const u8 *)sme->ie, sme->ie_len,
			DOT11_MNG_RSN_ID)) != NULL) {
			WL_DBG((" WPA2 IE is found\n"));
		}
		/* find the WPA_IE */
		if ((wpa_ie = wl_cfgp2p_find_wpaie(sme->ie,
			sme->ie_len)) != NULL) {
			WL_DBG((" WPA IE is found\n"));
		}
		if (wpa_ie != NULL || wpa2_ie != NULL) {
			wpaie = (wpa_ie != NULL) ? (const u8 *)wpa_ie : (const u8 *)wpa2_ie;
			wpaie_len = (wpa_ie != NULL) ? wpa_ie->length : wpa2_ie->len;
			wpaie_len += WPA_RSN_IE_TAG_FIXED_LEN;
			err = wldev_iovar_setbuf(dev, "wpaie", wpaie, wpaie_len,
				cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
			if (unlikely(err)) {
				WL_ERR(("wpaie set error (%d)\n", err));
				goto exit;
			}
		} else {
			err = wldev_iovar_setbuf(dev, "wpaie", NULL, 0,
				cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
			if (unlikely(err)) {
				WL_ERR(("wpaie set error (%d)\n", err));
				goto exit;
			}
		}
		err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
			VNDR_IE_ASSOCREQ_FLAG, (const u8 *)sme->ie, sme->ie_len);
		if (unlikely(err)) {
			goto exit;
		}
	}
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
	if (dhdp->roam_env_detection) {
		bool is_roamtrig_reset = TRUE;
		bool is_roam_env_ok = (wldev_iovar_setint(dev, "roam_env_detection",
			AP_ENV_DETECT_NOT_USED) == BCME_OK);
#ifdef SKIP_ROAM_TRIGGER_RESET
		roam_trigger[1] = WLC_BAND_2G;
		is_roamtrig_reset =
			(wldev_ioctl_get(dev, WLC_GET_ROAM_TRIGGER, roam_trigger,
			sizeof(roam_trigger)) == BCME_OK) &&
			(roam_trigger[0] == WL_AUTO_ROAM_TRIGGER-10);
#endif /* SKIP_ROAM_TRIGGER_RESET */
		if (is_roamtrig_reset && is_roam_env_ok) {
			roam_trigger[0] = WL_AUTO_ROAM_TRIGGER;
			roam_trigger[1] = WLC_BAND_ALL;
		err = wldev_ioctl_set(dev, WLC_SET_ROAM_TRIGGER, roam_trigger,
			sizeof(roam_trigger));
		if (unlikely(err)) {
				WL_ERR((" failed to restore roam_trigger for auto env"
					" detection\n"));
			}
		}
	}
#endif /* ROAM_ENABLE && ROAM_AP_ENV_DETECTION */
	if (chan) {
			cfg->channel = ieee80211_frequency_to_channel(chan->center_freq);
			chan_cnt = 1;
			WL_DBG(("channel (%d), center_req (%d), %d channels\n", cfg->channel,
				chan->center_freq, chan_cnt));
	} else {
			WL_DBG(("No channel info from user space\n"));
			cfg->channel = 0;
	}
#ifdef ESCAN_CHANNEL_CACHE
	/*
	 * No channel information from user space. if ECC is enabled, the ECC
	 * would prepare the channel list, else no channel would be provided
	 * and firmware would need to do a full channel scan.
	 *
	 * Use cached channels. This might take slightly longer time compared
	 * to using a single channel based join. But ECC would help choose
	 * a better AP for a given ssid. For a given SSID there might multiple
	 * APs on different channels and ECC would scan all those channels
	 * before deciding up on the AP. This accounts for the additional delay.
	 */
	if (cfg->rcc_enabled || cfg->channel == 0)
	{
		wlc_ssid_t ssid;
		int band;

		err = wldev_get_band(dev, &band);
		if (!err) {
			set_roam_band(band);
		}

		memcpy(ssid.SSID, sme->ssid, sme->ssid_len);
		ssid.SSID_len = (uint32)sme->ssid_len;
		chan_cnt = get_roam_channel_list(cfg->channel, chanspec_list,
				MAX_ROAM_CHANNEL, &ssid, ioctl_version);
		WL_DBG(("RCC channel count:%d \n", chan_cnt));
	}
#endif /* ESCAN_CHANNEL_CACHE */
	WL_DBG(("3. set wpa version \n"));

	err = wl_set_wpa_version(dev, sme);
	if (unlikely(err)) {
		WL_ERR(("Invalid wpa_version\n"));
		goto exit;
	}
#ifdef BCMWAPI_WPI
	if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1)
		WL_DBG(("4. WAPI Dont Set wl_set_auth_type\n"));
	else {
		WL_DBG(("4. wl_set_auth_type\n"));
#endif // endif
		err = wl_set_auth_type(dev, sme);
		if (unlikely(err)) {
			WL_ERR(("Invalid auth type\n"));
			goto exit;
		}
#ifdef BCMWAPI_WPI
	}
#endif // endif
#ifdef WL_FILS
	if (sme->ie && sme->ie_len) {
		err = wl_fils_add_hlp_container(cfg, dev, sme->ie, sme->ie_len);
		if (unlikely(err)) {
			WL_ERR(("FILS sending HLP failed\n"));
			goto exit;
		}
	}
#endif /* WL_FILS */
	err = wl_set_set_cipher(dev, sme);
	if (unlikely(err)) {
		WL_ERR(("Invalid ciper\n"));
		goto exit;
	}

	err = wl_set_key_mgmt(dev, sme);
	if (unlikely(err)) {
		WL_ERR(("Invalid key mgmt\n"));
		goto exit;
	}

	err = wl_set_set_sharedkey(dev, sme);
	if (unlikely(err)) {
		WL_ERR(("Invalid shared key\n"));
		goto exit;
	}
#ifdef WL_FILS
	err = wl_set_fils_params(dev, sme);
	if (unlikely(err)) {
		WL_ERR(("Invalid FILS params\n"));
		goto exit;
	}
#endif /* WL_FILS */

	/*
	 *  Join with specific BSSID and cached SSID
	 *  If SSID is zero join based on BSSID only
	 */
	join_params_size = WL_EXTJOIN_PARAMS_FIXED_SIZE +
		chan_cnt * sizeof(chanspec_t);
	ext_join_params = (wl_extjoin_params_t *)MALLOCZ(cfg->osh, join_params_size);
	if (ext_join_params == NULL) {
		err = -ENOMEM;
		wl_clr_drv_status(cfg, CONNECTING, dev);
		goto exit;
	}
	ext_join_params->ssid.SSID_len =
		(uint32)min(sizeof(ext_join_params->ssid.SSID), sme->ssid_len);
	memcpy(&ext_join_params->ssid.SSID, sme->ssid, ext_join_params->ssid.SSID_len);
	wl_update_prof(cfg, dev, NULL, &ext_join_params->ssid, WL_PROF_SSID);
	ext_join_params->ssid.SSID_len = htod32(ext_join_params->ssid.SSID_len);
	/* increate dwell time to receive probe response or detect Beacon
	* from target AP at a noisy air only during connect command
	*/
	ext_join_params->scan.active_time = chan_cnt ? WL_SCAN_JOIN_ACTIVE_DWELL_TIME_MS : -1;
	ext_join_params->scan.passive_time = chan_cnt ? WL_SCAN_JOIN_PASSIVE_DWELL_TIME_MS : -1;
	/* Set up join scan parameters */
	ext_join_params->scan.scan_type = -1;
	ext_join_params->scan.nprobes = chan_cnt ?
		(ext_join_params->scan.active_time/WL_SCAN_JOIN_PROBE_INTERVAL_MS) : -1;
	ext_join_params->scan.home_time = -1;

	if (sme->bssid)
		memcpy(&ext_join_params->assoc.bssid, sme->bssid, ETH_ALEN);
	else
		memcpy(&ext_join_params->assoc.bssid, &ether_bcast, ETH_ALEN);
	ext_join_params->assoc.chanspec_num = chan_cnt;

	if (chan_cnt && !cfg->rcc_enabled) {
		if (cfg->channel) {
			/*
			 * Use the channel provided by userspace
			 */
			u16 channel, band, bw, ctl_sb;
			chanspec_t chspec;
			channel = cfg->channel;
			band = (channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G
				: WL_CHANSPEC_BAND_5G;

			/* Get min_bw set for the interface */
			bw = WL_CHANSPEC_BW_20;
			if (bw == INVCHANSPEC) {
				WL_ERR(("Invalid chanspec \n"));
				MFREE(cfg->osh, ext_join_params, join_params_size);
				err = BCME_ERROR;
				goto exit;
			}

			ctl_sb = WL_CHANSPEC_CTL_SB_NONE;
			chspec = (channel | band | bw | ctl_sb);
			ext_join_params->assoc.chanspec_list[0]  &= WL_CHANSPEC_CHAN_MASK;
			ext_join_params->assoc.chanspec_list[0] |= chspec;
			ext_join_params->assoc.chanspec_list[0] =
				wl_chspec_host_to_driver(ext_join_params->assoc.chanspec_list[0]);
		}
	}
#ifdef ESCAN_CHANNEL_CACHE
	 else {
			memcpy(ext_join_params->assoc.chanspec_list, chanspec_list,
				sizeof(chanspec_t) * chan_cnt);
	}
#endif /* ESCAN_CHANNEL_CACHE */
	ext_join_params->assoc.chanspec_num = htod32(ext_join_params->assoc.chanspec_num);
	if (ext_join_params->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
		WL_DBG(("ssid \"%s\", len (%d)\n", ext_join_params->ssid.SSID,
			ext_join_params->ssid.SSID_len));
	}

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		MFREE(cfg->osh, ext_join_params, join_params_size);
		err = BCME_ERROR;
		goto exit;
	}
#ifdef WLTDLS
	/* disable TDLS if number of connected interfaces is >= 1 */
	wl_cfg80211_tdls_config(cfg, TDLS_STATE_CONNECT, false);
#endif /* WLTDLS */
#ifdef WL_EXT_IAPSTA
	wl_ext_iapsta_update_channel(dhdp, dev, cfg->channel);
#endif

	wl_ext_get_sec(dev, 0, sec, sizeof(sec));
	if (cfg->rcc_enabled) {
		WL_MSG(dev->name, "Connecting with " MACDBG " ssid \"%s\", len (%d), "
			"sec=%s, with rcc channels. chan_cnt:%d \n\n",
			MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)),
			ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len, sec, chan_cnt);
	} else {
		WL_MSG(dev->name, "Connecting with " MACDBG " ssid \"%s\", len (%d), "
			"sec=%s, channel=%d\n\n",
			MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)),
			ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len, sec,
			cfg->channel);
	}
	SUPP_LOG(("[%s] Connecting with " MACDBG " ssid \"%s\","
		"channel:%d rcc:%d\n",
		dev->name, MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)),
		ext_join_params->ssid.SSID, cfg->channel, cfg->rcc_enabled));
	err = wldev_iovar_setbuf_bsscfg(dev, "join", ext_join_params, join_params_size,
		cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
	MFREE(cfg->osh, ext_join_params, join_params_size);
	if (err) {
		wl_clr_drv_status(cfg, CONNECTING, dev);
		if (err == BCME_UNSUPPORTED) {
			WL_DBG(("join iovar is not supported\n"));
			goto set_ssid;
		} else {
			WL_ERR(("join iovar error (%d)\n", err));
			goto exit;
		}
	} else
		goto exit;

set_ssid:
#if defined(ROAMEXP_SUPPORT)
	/* Clear Blacklist bssid and Whitelist ssid list before join issue
	 * This is temporary fix since currently firmware roaming is not
	 * disabled by android framework before SSID join from framework
	*/
	/* Flush blacklist bssid content */
	dhd_dev_set_blacklist_bssid(dev, NULL, 0, true);
	/* Flush whitelist ssid content */
	dhd_dev_set_whitelist_ssid(dev, NULL, 0, true);
#endif /* ROAMEXP_SUPPORT */
	bzero(&join_params, sizeof(join_params));
	join_params_size = sizeof(join_params.ssid);

	join_params.ssid.SSID_len = (uint32)min(sizeof(join_params.ssid.SSID), sme->ssid_len);
	memcpy(&join_params.ssid.SSID, sme->ssid, join_params.ssid.SSID_len);
	join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len);
	wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID);
	if (sme->bssid)
		memcpy(&join_params.params.bssid, sme->bssid, ETH_ALEN);
	else
		memcpy(&join_params.params.bssid, &ether_bcast, ETH_ALEN);

	if (wl_ch_to_chanspec(dev, cfg->channel, &join_params, &join_params_size) < 0) {
		WL_ERR(("Invalid chanspec\n"));
		return -EINVAL;
	}

	WL_DBG(("join_param_size %zu\n", join_params_size));

	if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
		WL_MSG(dev->name, "ssid \"%s\", len (%d)\n", join_params.ssid.SSID,
			join_params.ssid.SSID_len);
	}
	err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params, join_params_size);
exit:
	if (err) {
		WL_ERR(("error (%d)\n", err));
		wl_clr_drv_status(cfg, CONNECTING, dev);
		wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
#ifdef WLTDLS
		/* If connect fails, check whether we can enable back TDLS */
		wl_cfg80211_tdls_config(cfg, TDLS_STATE_DISCONNECT, false);
#endif /* WLTDLS */
	}
	if (!err)
		wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY,
			WL_EXT_STATUS_CONNECTING, NULL);
#ifdef DBG_PKT_MON
	if ((dev == bcmcfg_to_prmry_ndev(cfg)) && !err) {
		DHD_DBG_PKT_MON_START(dhdp);
	}
#endif /* DBG_PKT_MON */
	return err;
}

static void wl_cfg80211_disconnect_state_sync(struct bcm_cfg80211 *cfg, struct net_device *dev)
{
	struct wireless_dev *wdev;
	uint8 wait_cnt;

	if (!dev || !dev->ieee80211_ptr) {
		WL_ERR(("wrong ndev\n"));
		return;
	}

	wdev = dev->ieee80211_ptr;
	wait_cnt = WAIT_FOR_DISCONNECT_STATE_SYNC;
	while ((wdev->current_bss) && wait_cnt) {
		WL_DBG(("Waiting for disconnect sync, wait_cnt: %d\n", wait_cnt));
		wait_cnt--;
		OSL_SLEEP(50);
	}

	if (wait_cnt == 0) {
		/* state didn't get cleared within given timeout */
		WL_INFORM_MEM(("cfg80211 state. wdev->current_bss non null\n"));
	} else {
		WL_MEM(("cfg80211 disconnect state sync done\n"));
	}

}

static void wl_cfg80211_wait_for_disconnection(struct bcm_cfg80211 *cfg, struct net_device *dev)
{
	uint8 wait_cnt;
	u32 status = 0;

	wait_cnt = WAIT_FOR_DISCONNECT_MAX;
	while ((status = wl_get_drv_status(cfg, DISCONNECTING, dev)) && wait_cnt) {
		WL_DBG(("Waiting for disconnection, wait_cnt: %d\n", wait_cnt));
		wait_cnt--;
		OSL_SLEEP(50);
	}

	WL_INFORM_MEM(("Wait for disconnection done. status:%d wait_cnt:%d\n", status, wait_cnt));
	if (!wait_cnt && wl_get_drv_status(cfg, DISCONNECTING, dev)) {
		/* No response from firmware. Indicate connect result
		 * to clear cfg80211 state machine
		 */
		WL_INFORM_MEM(("force send connect result\n"));
		CFG80211_CONNECT_RESULT(dev, NULL, NULL, NULL, 0, NULL, 0,
				WLAN_STATUS_UNSPECIFIED_FAILURE,
				GFP_KERNEL);
		wl_clr_drv_status(cfg, DISCONNECTING, dev);
	}
	return;
}

static s32
wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
	u16 reason_code)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	scb_val_t scbval;
	bool act = false;
	s32 err = 0;
	u8 *curbssid = NULL;
	u8 null_bssid[ETHER_ADDR_LEN];
	s32 bssidx = 0;
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	WL_MSG(dev->name, "Reason %d\n", reason_code);
	RETURN_EIO_IF_NOT_UP(cfg);
	act = *(bool *) wl_read_prof(cfg, dev, WL_PROF_ACT);
	curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID);

	BCM_REFERENCE(dhdp);
	DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_START),
		dhd_net2idx(dhdp->info, dev), reason_code);
#ifdef DHD_4WAYM4_FAIL_DISCONNECT
	dhd_cleanup_m4_state_work(dhdp, dhd_net2idx(dhdp->info, dev));
#endif /* DHD_4WAYM4_FAIL_DISCONNECT */

#ifdef ESCAN_RESULT_PATCH
	if (wl_get_drv_status(cfg, CONNECTING, dev)) {
		if (curbssid) {
			WL_ERR(("Disconnecting while CONNECTING status"
				" connecting device: " MACDBG "\n", MAC2STRDBG(curbssid)));
		} else {
			WL_ERR(("Disconnecting while CONNECTING status \n"));
		}
		act = true;
	}
#endif /* ESCAN_RESULT_PATCH */

	if (!curbssid) {
		WL_ERR(("Disconnecting while CONNECTING status %d\n", (int)sizeof(null_bssid)));
		bzero(null_bssid, sizeof(null_bssid));
		curbssid = null_bssid;
	}

	if (act) {
#ifdef DBG_PKT_MON
		/* Stop packet monitor */
		if (dev == bcmcfg_to_prmry_ndev(cfg)) {
			DHD_DBG_PKT_MON_STOP(dhdp);
		}
#endif /* DBG_PKT_MON */
		/*
		* Cancel ongoing scan to sync up with sme state machine of cfg80211.
		*/
		/* Let scan aborted by F/W */
		if (cfg->scan_request) {
			WL_TRACE_HW4(("Aborting the scan! \n"));
			wl_cfg80211_cancel_scan(cfg);
		}
		/* Set DISCONNECTING state. We are clearing this state in all exit paths */
		wl_set_drv_status(cfg, DISCONNECTING, dev);
		if (wl_get_drv_status(cfg, CONNECTING, dev) ||
			wl_get_drv_status(cfg, CONNECTED, dev)) {
				scbval.val = reason_code;
				memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
				scbval.val = htod32(scbval.val);
				WL_INFORM_MEM(("[%s] wl disassoc\n", dev->name));
				err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval,
						sizeof(scb_val_t));
				if (unlikely(err)) {
					wl_clr_drv_status(cfg, DISCONNECTING, dev);
					WL_ERR(("error (%d)\n", err));
					goto exit;
				}
				wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
					WL_EXT_STATUS_DISCONNECTING, NULL);
		}
#ifdef WL_WPS_SYNC
		/* If are in WPS reauth state, then we would be
		 * dropping the link down events. Ensure that
		 * Event is sent up for the disconnect Req
		 */
		if (wl_wps_session_update(dev,
			WPS_STATE_DISCONNECT, curbssid) == BCME_OK) {
			WL_INFORM_MEM(("[WPS] Disconnect done.\n"));
			wl_clr_drv_status(cfg, DISCONNECTING, dev);
		}
#endif /* WPS_SYNC */
		wl_cfg80211_wait_for_disconnection(cfg, dev);
	} else {
		/* Not in connecting or connected state. However since disconnect came
		 * from upper layer, indicate connect fail to clear any state mismatch
		 */
		WL_INFORM_MEM(("act is false. report connect result fail.\n"));
		CFG80211_CONNECT_RESULT(dev, NULL, NULL, NULL, 0, NULL, 0,
				WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL);
	}
#ifdef CUSTOM_SET_CPUCORE
	/* set default cpucore */
	if (dev == bcmcfg_to_prmry_ndev(cfg)) {
		dhdp->chan_isvht80 &= ~DHD_FLAG_STA_MODE;
		if (!(dhdp->chan_isvht80))
			dhd_set_cpucore(dhdp, FALSE);
	}
#endif /* CUSTOM_SET_CPUCORE */

	cfg->rssi = 0;	/* reset backup of rssi */

exit:
	/* Clear IEs for disaasoc */
	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find index failed\n"));
		err = -EINVAL;
		return err;
	}
	WL_ERR(("Clearing disconnect IEs \n"));
	err = wl_cfg80211_set_mgmt_vndr_ies(cfg,
		ndev_to_cfgdev(dev), bssidx, VNDR_IE_DISASSOC_FLAG, NULL, 0);

	return err;
}

static s32
#if defined(WL_CFG80211_P2P_DEV_IF)
wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
	enum nl80211_tx_power_setting type, s32 mbm)
#else
wl_cfg80211_set_tx_power(struct wiphy *wiphy,
	enum nl80211_tx_power_setting type, s32 dbm)
#endif /* WL_CFG80211_P2P_DEV_IF */
{

	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	s32 err = 0;
#if defined(WL_CFG80211_P2P_DEV_IF)
	s32 dbm = MBM_TO_DBM(mbm);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || \
	defined(WL_COMPAT_WIRELESS) || defined(WL_SUPPORT_BACKPORTED_KPATCHES)
	dbm = MBM_TO_DBM(dbm);
#endif /* WL_CFG80211_P2P_DEV_IF */

	RETURN_EIO_IF_NOT_UP(cfg);
	switch (type) {
	case NL80211_TX_POWER_AUTOMATIC:
		break;
	case NL80211_TX_POWER_LIMITED:
		if (dbm < 0) {
			WL_ERR(("TX_POWER_LIMITTED - dbm is negative\n"));
			return -EINVAL;
		}
		break;
	case NL80211_TX_POWER_FIXED:
		if (dbm < 0) {
			WL_ERR(("TX_POWER_FIXED - dbm is negative..\n"));
			return -EINVAL;
		}
		break;
	}

	err = wl_set_tx_power(ndev, type, dbm);
	if (unlikely(err)) {
		WL_ERR(("error (%d)\n", err));
		return err;
	}

	cfg->conf->tx_power = dbm;

	return err;
}

static s32
#if defined(WL_CFG80211_P2P_DEV_IF)
wl_cfg80211_get_tx_power(struct wiphy *wiphy,
	struct wireless_dev *wdev, s32 *dbm)
#else
wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm)
#endif /* WL_CFG80211_P2P_DEV_IF */
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	s32 err = 0;

	RETURN_EIO_IF_NOT_UP(cfg);
	err = wl_get_tx_power(ndev, dbm);
	if (unlikely(err))
		WL_ERR(("error (%d)\n", err));

	return err;
}

static s32
wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, bool unicast, bool multicast)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	u32 index;
	s32 wsec;
	s32 err = 0;
	s32 bssidx;

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from dev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	WL_DBG(("key index (%d)\n", key_idx));
	RETURN_EIO_IF_NOT_UP(cfg);
	err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx);
	if (unlikely(err)) {
		WL_ERR(("WLC_GET_WSEC error (%d)\n", err));
		return err;
	}
	if (wsec == WEP_ENABLED) {
		/* Just select a new current key */
		index = (u32) key_idx;
		index = htod32(index);
		err = wldev_ioctl_set(dev, WLC_SET_KEY_PRIMARY, &index,
			sizeof(index));
		if (unlikely(err)) {
			WL_ERR(("error (%d)\n", err));
		}
	}
	return err;
}

static s32
wl_add_keyext(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, const u8 *mac_addr, struct key_params *params)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct wl_wsec_key key;
	s32 err = 0;
	s32 bssidx;
	s32 mode = wl_get_mode_by_netdev(cfg, dev);

	WL_MSG(dev->name, "key index (%d)\n", key_idx);
	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}
	bzero(&key, sizeof(key));
	key.index = (u32) key_idx;

	if (!ETHER_ISMULTI(mac_addr))
		memcpy((char *)&key.ea, (const void *)mac_addr, ETHER_ADDR_LEN);
	key.len = (u32) params->key_len;

	/* check for key index change */
	if (key.len == 0) {
		/* key delete */
		swap_key_from_BE(&key);
		err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key),
			cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
		if (unlikely(err)) {
			WL_ERR(("key delete error (%d)\n", err));
			return err;
		}
	} else {
		if (key.len > sizeof(key.data)) {
			WL_ERR(("Invalid key length (%d)\n", key.len));
			return -EINVAL;
		}
		WL_DBG(("Setting the key index %d\n", key.index));
		memcpy(key.data, params->key, key.len);

		if ((mode == WL_MODE_BSS) &&
			(params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
			u8 keybuf[8];
			memcpy(keybuf, &key.data[24], sizeof(keybuf));
			memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
			memcpy(&key.data[16], keybuf, sizeof(keybuf));
		}

		/* if IW_ENCODE_EXT_RX_SEQ_VALID set */
		if (params->seq && params->seq_len == 6) {
			/* rx iv */
			const u8 *ivptr;
			ivptr = (const u8 *) params->seq;
			key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
				(ivptr[3] << 8) | ivptr[2];
			key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
			key.iv_initialized = true;
		}
		key.algo = wl_rsn_cipher_wsec_key_algo_lookup(params->cipher);
		if (key.algo == CRYPTO_ALGO_OFF) { //not found.
			WL_ERR(("Invalid cipher (0x%x)\n", params->cipher));
			return -EINVAL;
		}
		swap_key_from_BE(&key);
		/* need to guarantee EAPOL 4/4 send out before set key */
		dhd_wait_pend8021x(dev);
		err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key),
			cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
		if (unlikely(err)) {
			WL_ERR(("WLC_SET_KEY error (%d)\n", err));
			return err;
		}
		WL_INFORM_MEM(("[%s] wsec key set\n", dev->name));
	}
	return err;
}

int
wl_cfg80211_enable_roam_offload(struct net_device *dev, int enable)
{
	int err;
	wl_eventmsg_buf_t ev_buf;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	if (dev != bcmcfg_to_prmry_ndev(cfg)) {
		/* roam offload is only for the primary device */
		return -1;
	}

	WL_INFORM_MEM(("[%s] wl roam_offload %d\n", dev->name, enable));
	err = wldev_iovar_setint(dev, "roam_offload", enable);
	if (err)
		return err;

	bzero(&ev_buf, sizeof(wl_eventmsg_buf_t));
	wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_PSK_SUP, !enable);
	wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_REQ_IE, !enable);
	wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_RESP_IE, !enable);
	wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_REASSOC, !enable);
	wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_JOIN, !enable);
	wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ROAM, !enable);
	err = wl_cfg80211_apply_eventbuffer(dev, cfg, &ev_buf);
	if (!err) {
		cfg->roam_offload = enable;
	}
	return err;
}

struct wireless_dev *
wl_cfg80211_get_wdev_from_ifname(struct bcm_cfg80211 *cfg, const char *name)
{
	struct net_info *iter, *next;

	if (name == NULL) {
		WL_ERR(("Iface name is not provided\n"));
		return NULL;
	}

	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev) {
			if (strcmp(iter->ndev->name, name) == 0) {
				return iter->ndev->ieee80211_ptr;
			}
		}
	}

	WL_DBG(("Iface %s not found\n", name));
	return NULL;
}

#if defined(PKT_FILTER_SUPPORT) && defined(APSTA_BLOCK_ARP_DURING_DHCP)
void
wl_cfg80211_block_arp(struct net_device *dev, int enable)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	WL_INFORM_MEM(("[%s] Enter. enable:%d\n", dev->name, enable));
	if (!dhd_pkt_filter_enable) {
		WL_DBG(("Packet filter isn't enabled\n"));
		return;
	}

	/* Block/Unblock ARP frames only if STA is connected to
	 * the upstream AP in case of STA+SoftAP Concurrenct mode
	 */
	if (!wl_get_drv_status(cfg, CONNECTED, dev)) {
		WL_DBG(("STA not connected to upstream AP\n"));
		return;
	}

	if (enable) {
		WL_DBG(("Enable ARP Filter\n"));
		/* Add ARP filter */
		dhd_packet_filter_add_remove(dhdp, TRUE, DHD_BROADCAST_ARP_FILTER_NUM);

		/* Enable ARP packet filter - blacklist */
		dhd_master_mode = FALSE;
		dhd_pktfilter_offload_enable(dhdp, dhdp->pktfilter[DHD_BROADCAST_ARP_FILTER_NUM],
			TRUE, dhd_master_mode);
	} else {
		WL_DBG(("Disable ARP Filter\n"));
		/* Disable ARP packet filter */
		dhd_master_mode = TRUE;
		dhd_pktfilter_offload_enable(dhdp, dhdp->pktfilter[DHD_BROADCAST_ARP_FILTER_NUM],
			FALSE, dhd_master_mode);

		/* Delete ARP filter */
		dhd_packet_filter_add_remove(dhdp, FALSE, DHD_BROADCAST_ARP_FILTER_NUM);
	}
}
#endif /* PKT_FILTER_SUPPORT && APSTA_BLOCK_ARP_DURING_DHCP */

static s32
wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, bool pairwise, const u8 *mac_addr,
	struct key_params *params)
{
	struct wl_wsec_key key;
	s32 val = 0;
	s32 wsec = 0;
	s32 err = 0;
	u8 keybuf[8];
	s32 bssidx = 0;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 mode = wl_get_mode_by_netdev(cfg, dev);
#ifdef WL_GCMP
	uint32 algos = 0, mask = 0;
#endif /* WL_GCMP */
#if defined(WLAN_CIPHER_SUITE_PMK)
	int j;
	wsec_pmk_t pmk;
	char keystring[WSEC_MAX_PSK_LEN + 1];
	char* charptr = keystring;
	u16 len;
	struct wl_security *sec;
#endif /* defined(WLAN_CIPHER_SUITE_PMK) */
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	WL_INFORM_MEM(("key index (%d) (0x%x)\n", key_idx, params->cipher));
	RETURN_EIO_IF_NOT_UP(cfg);

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from dev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (mac_addr &&
		((params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
		(params->cipher != WLAN_CIPHER_SUITE_WEP104))) {
			wl_add_keyext(wiphy, dev, key_idx, mac_addr, params);
			goto exit;
	}

	BCM_REFERENCE(dhdp);
	DHD_STATLOG_CTRL(dhdp, ST(INSTALL_KEY), dhd_net2idx(dhdp->info, dev), 0);

	bzero(&key, sizeof(key));
	/* Clear any buffered wep key */
	bzero(&cfg->wep_key, sizeof(struct wl_wsec_key));

	key.len = (u32) params->key_len;
	key.index = (u32) key_idx;

	if (unlikely(key.len > sizeof(key.data))) {
		WL_ERR(("Too long key length (%u)\n", key.len));
		return -EINVAL;
	}
	memcpy(key.data, params->key, key.len);

	key.flags = WL_PRIMARY_KEY;

	key.algo = wl_rsn_cipher_wsec_key_algo_lookup(params->cipher);
	val = wl_rsn_cipher_wsec_algo_lookup(params->cipher);
	if (val == WSEC_NONE) {
		WL_ERR(("Invalid cipher (0x%x)\n", params->cipher));
#if defined(WLAN_CIPHER_SUITE_PMK)
	/* WLAN_CIPHER_SUITE_PMK is not NL80211 standard ,but BRCM proprietary cipher suite.
	 * so it doesn't have right algo type too. Just for now, bypass this check for
	 * backward compatibility.
	 * TODO: deprecate this proprietary way and replace to nl80211 set_pmk API.
	 */
		if (params->cipher != WLAN_CIPHER_SUITE_PMK)
#endif /* defined(WLAN_CIPHER_SUITE_PMK) */
		return -EINVAL;
	}
	switch (params->cipher) {
	case WLAN_CIPHER_SUITE_TKIP:
		/* wpa_supplicant switches the third and fourth quarters of the TKIP key */
		if (mode == WL_MODE_BSS) {
			bcopy(&key.data[24], keybuf, sizeof(keybuf));
			bcopy(&key.data[16], &key.data[24], sizeof(keybuf));
			bcopy(keybuf, &key.data[16], sizeof(keybuf));
		}
		WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
		break;
#if defined(WLAN_CIPHER_SUITE_PMK)
	case WLAN_CIPHER_SUITE_PMK:
		sec = wl_read_prof(cfg, dev, WL_PROF_SEC);

		WL_MEM(("set_pmk: wpa_auth:%x akm:%x\n", sec->wpa_auth, params->cipher));
		/* Avoid pmk set for SAE and OWE for external supplicant case. */
		if (IS_AKM_SAE(sec->wpa_auth) || IS_AKM_OWE(sec->wpa_auth)) {
			WL_INFORM_MEM(("skip pmk set for akm:%x\n", sec->wpa_auth));
			break;
		}

		if ((sec->wpa_auth == WLAN_AKM_SUITE_8021X) ||
			(sec->wpa_auth == WL_AKM_SUITE_SHA256_1X)) {
			err = wldev_iovar_setbuf(dev, "okc_info_pmk", (const void *)params->key,
				WSEC_MAX_PSK_LEN / 2, keystring, sizeof(keystring), NULL);
			if (err) {
				/* could fail in case that 'okc' is not supported */
				WL_INFORM_MEM(("okc_info_pmk failed, err=%d (ignore)\n", err));
			}
		}
		/* copy the raw hex key to the appropriate format */
		for (j = 0; j < (WSEC_MAX_PSK_LEN / 2); j++) {
			charptr += snprintf(charptr, sizeof(keystring), "%02x", params->key[j]);
		}
		len = (u16)strlen(keystring);
		pmk.key_len = htod16(len);
		bcopy(keystring, pmk.key, len);
		pmk.flags = htod16(WSEC_PASSPHRASE);

		err = wldev_ioctl_set(dev, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
		if (err) {
			return err;
		}
		/* Clear key length to delete key */
		key.len = 0;
		break;
#endif /* WLAN_CIPHER_SUITE_PMK */
#ifdef WL_GCMP
	case WLAN_CIPHER_SUITE_GCMP:
	case WLAN_CIPHER_SUITE_GCMP_256:
	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
		algos = KEY_ALGO_MASK(key.algo);
		mask = algos | KEY_ALGO_MASK(CRYPTO_ALGO_AES_CCM);
		break;
#endif /* WL_GCMP */
	default: /* No post processing required */
		WL_DBG(("no post processing required (0x%x)\n", params->cipher));
		break;
	}

	/* Set the new key/index */
	if ((mode == WL_MODE_IBSS) && (val & (TKIP_ENABLED | AES_ENABLED))) {
		WL_ERR(("IBSS KEY setted\n"));
		wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_NONE);
	}
	swap_key_from_BE(&key);
	if ((params->cipher == WLAN_CIPHER_SUITE_WEP40) ||
		(params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
		/*
		 * For AP role, since we are doing a wl down before bringing up AP,
		 * the plumbed keys will be lost. So for AP once we bring up AP, we
		 * need to plumb keys again. So buffer the keys for future use. This
		 * is more like a WAR. If firmware later has the capability to do
		 * interface upgrade without doing a "wl down" and "wl apsta 0", then
		 * this will not be required.
		 */
		WL_DBG(("Buffering WEP Keys \n"));
		memcpy(&cfg->wep_key, &key, sizeof(struct wl_wsec_key));
	}
	err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf,
		WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		WL_ERR(("WLC_SET_KEY error (%d)\n", err));
		return err;
	}

exit:
	err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx);
	if (unlikely(err)) {
		WL_ERR(("get wsec error (%d)\n", err));
		return err;
	}

	wsec |= val;
	err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
	if (unlikely(err)) {
		WL_ERR(("set wsec error (%d)\n", err));
		return err;
	}
#ifdef WL_GCMP
	wl_set_wsec_info_algos(dev, algos, mask);
#endif /* WL_GCMP */
	wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY,
		WL_EXT_STATUS_ADD_KEY, NULL);
	return err;
}

static s32
wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, bool pairwise, const u8 *mac_addr)
{
	struct wl_wsec_key key;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = 0;
	s32 bssidx;
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}
	WL_DBG(("Enter\n"));

#ifndef MFP
	if ((key_idx >= DOT11_MAX_DEFAULT_KEYS) && (key_idx < DOT11_MAX_DEFAULT_KEYS+2))
		return -EINVAL;
#endif // endif

	RETURN_EIO_IF_NOT_UP(cfg);
	BCM_REFERENCE(dhdp);
	DHD_STATLOG_CTRL(dhdp, ST(DELETE_KEY), dhd_net2idx(dhdp->info, dev), 0);
	bzero(&key, sizeof(key));

	key.flags = WL_PRIMARY_KEY;
	key.algo = CRYPTO_ALGO_OFF;
	key.index = (u32) key_idx;

	WL_DBG(("key index (%d)\n", key_idx));
	/* Set the new key/index */
	swap_key_from_BE(&key);
	err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf,
		WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		if (err == -EINVAL) {
			if (key.index >= DOT11_MAX_DEFAULT_KEYS) {
				/* we ignore this key index in this case */
				WL_DBG(("invalid key index (%d)\n", key_idx));
			}
		} else {
			WL_ERR(("WLC_SET_KEY error (%d)\n", err));
		}
		return err;
	}
	return err;
}

/* NOTE : this function cannot work as is and is never called */
static s32
wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev,
	u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
	void (*callback) (void *cookie, struct key_params * params))
{
	struct key_params params;
	struct wl_wsec_key key;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct wl_security *sec;
	s32 wsec;
	s32 err = 0;
	s32 bssidx;

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}
	WL_DBG(("key index (%d)\n", key_idx));
	RETURN_EIO_IF_NOT_UP(cfg);
	bzero(&key, sizeof(key));
	key.index = key_idx;
	swap_key_to_BE(&key);
	bzero(&params, sizeof(params));
	params.key_len = (u8) min_t(u8, DOT11_MAX_KEY_SIZE, key.len);
	params.key = key.data;

	err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx);
	if (unlikely(err)) {
		WL_ERR(("WLC_GET_WSEC error (%d)\n", err));
		return err;
	}
	switch (WSEC_ENABLED(wsec)) {
		case WEP_ENABLED:
			sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
			if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
				params.cipher = WLAN_CIPHER_SUITE_WEP40;
				WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n"));
			} else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
				params.cipher = WLAN_CIPHER_SUITE_WEP104;
				WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n"));
			}
			break;
		case TKIP_ENABLED:
			params.cipher = WLAN_CIPHER_SUITE_TKIP;
			WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
			break;
		case AES_ENABLED:
			params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
			WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n"));
			break;
#ifdef BCMWAPI_WPI
		case SMS4_ENABLED:
			params.cipher = WLAN_CIPHER_SUITE_SMS4;
			WL_DBG(("WLAN_CIPHER_SUITE_SMS4\n"));
			break;
#endif // endif
#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
		/* to connect to mixed mode AP */
		case (AES_ENABLED | TKIP_ENABLED): /* TKIP CCMP */
			params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
			WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
			break;
#endif // endif
		default:
			WL_ERR(("Invalid algo (0x%x)\n", wsec));
			return -EINVAL;
	}

	callback(cookie, &params);
	return err;
}

static s32
wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
	struct net_device *dev, u8 key_idx)
{
#ifdef MFP
	return 0;
#else
	WL_INFORM_MEM(("Not supported\n"));
	return -EOPNOTSUPP;
#endif /* MFP */
}

static bool
wl_check_assoc_state(struct bcm_cfg80211 *cfg, struct net_device *dev)
{
	wl_assoc_info_t asinfo;
	uint32 state = 0;
	int err;

	err = wldev_iovar_getbuf_bsscfg(dev, "assoc_info",
		NULL, 0, cfg->ioctl_buf, WLC_IOCTL_MEDLEN, 0, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		WL_ERR(("failed to get assoc_info : err=%d\n", err));
		return FALSE;
	} else {
		memcpy(&asinfo, cfg->ioctl_buf, sizeof(wl_assoc_info_t));
		state = dtoh32(asinfo.state);
		WL_DBG(("assoc state=%d\n", state));
	}

	return (state > 0)? TRUE:FALSE;
}

static s32
wl_cfg80211_get_rssi(struct net_device *dev, struct bcm_cfg80211 *cfg, s32 *rssi)
{
	s32 err = BCME_OK;
	scb_val_t scb_val;
#ifdef SUPPORT_RSSI_SUM_REPORT
	wl_rssi_ant_mimo_t rssi_ant_mimo;
#endif /* SUPPORT_RSSI_SUM_REPORT */

	if (dev == NULL || cfg == NULL) {
		return BCME_ERROR;
	}

	/* initialize rssi */
	*rssi = 0;

#ifdef SUPPORT_RSSI_SUM_REPORT
	/* Query RSSI sum across antennas */
	bzero(&rssi_ant_mimo, sizeof(rssi_ant_mimo));
	err = wl_get_rssi_per_ant(dev, dev->name, NULL, &rssi_ant_mimo);
	if (err) {
		WL_ERR(("Could not get rssi sum (%d)\n", err));
		/* set rssi to zero and do not return error,
		* because iovar phy_rssi_ant could return BCME_UNSUPPORTED
		* when bssid was null during roaming
		*/
		err = BCME_OK;
	} else {
		cfg->rssi_sum_report = TRUE;
		if ((*rssi = rssi_ant_mimo.rssi_sum) >= 0) {
			*rssi = 0;
		}
	}
#endif /* SUPPORT_RSSI_SUM_REPORT */

	/* if SUPPORT_RSSI_SUM_REPORT works once, do not use legacy method anymore */
	if (cfg->rssi_sum_report == FALSE) {
		bzero(&scb_val, sizeof(scb_val));
		scb_val.val = 0;
		err = wldev_ioctl_get(dev, WLC_GET_RSSI, &scb_val,
			sizeof(scb_val_t));
		if (err) {
			WL_ERR(("Could not get rssi (%d)\n", err));
			return err;
		}
#if defined(RSSIOFFSET)
		*rssi = wl_update_rssi_offset(dev, dtoh32(scb_val.val));
#else
		*rssi = dtoh32(scb_val.val);
#endif
	}

	if (*rssi >= 0) {
		/* check assoc status including roaming */
		DHD_OS_WAKE_LOCK((dhd_pub_t *)(cfg->pub));
		if (wl_get_drv_status(cfg, CONNECTED, dev) && wl_check_assoc_state(cfg, dev)) {
			*rssi = cfg->rssi;	   /* use previous RSSI */
			WL_DBG(("use previous RSSI %d dBm\n", cfg->rssi));
		} else {
			*rssi = 0;
		}
		DHD_OS_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub));
	} else {
		/* backup the current rssi */
		cfg->rssi = *rssi;
	}

	return err;
}

static int
wl_cfg80211_ifstats_counters_cb(void *ctx, const uint8 *data, uint16 type, uint16 len)
{
	switch (type) {
	case WL_IFSTATS_XTLV_IF_INDEX:
		WL_DBG(("Stats received on interface index: %d\n", *data));
		break;
	case WL_IFSTATS_XTLV_GENERIC: {
		if (len > sizeof(wl_if_stats_t)) {
			WL_INFORM(("type 0x%x: cntbuf length too long! %d > %d\n",
				type, len, (int)sizeof(wl_if_stats_t)));
		}
		memcpy(ctx, data, sizeof(wl_if_stats_t));
		break;
	}
	default:
		WL_DBG(("Unsupported counter type 0x%x\n", type));
		break;
	}

	return BCME_OK;
}

/* Parameters to if_counters iovar need to be converted to XTLV format
 * before sending to FW. The length of the top level XTLV container
 * containing parameters should not exceed 228 bytes
 */
#define IF_COUNTERS_PARAM_CONTAINER_LEN_MAX	228

int
wl_cfg80211_ifstats_counters(struct net_device *dev, wl_if_stats_t *if_stats)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
	uint8 *pbuf = NULL;
	bcm_xtlvbuf_t xtlvbuf, local_xtlvbuf;
	bcm_xtlv_t *xtlv;
	uint16 expected_resp_len;
	wl_stats_report_t *request = NULL, *response = NULL;
	int bsscfg_idx;
	int ret = BCME_OK;

	pbuf = (uint8 *)MALLOCZ(dhdp->osh, WLC_IOCTL_MEDLEN);
	if (!pbuf) {
		WL_ERR(("Failed to allocate local pbuf\n"));
		return BCME_NOMEM;
	}

	/* top level container length cannot exceed 228 bytes.
	 * This is because the output buffer is 1535 bytes long.
	 * Allow 1300 bytes for reporting stats coming in XTLV format
	 */
	request = (wl_stats_report_t *)
		MALLOCZ(dhdp->osh, IF_COUNTERS_PARAM_CONTAINER_LEN_MAX);
	if (!request) {
		WL_ERR(("Failed to allocate wl_stats_report_t with length (%d)\n",
			IF_COUNTERS_PARAM_CONTAINER_LEN_MAX));
		ret = BCME_NOMEM;
		goto fail;
	}

	request->version = WL_STATS_REPORT_REQUEST_VERSION_V2;

	/* Top level container... we will create it ourselves */
	/* Leave space for report version, length, and top level XTLV
	 * WL_IFSTATS_XTLV_IF.
	 */
	ret = bcm_xtlv_buf_init(&local_xtlvbuf,
		(uint8*)(request->data) + BCM_XTLV_HDR_SIZE,
		IF_COUNTERS_PARAM_CONTAINER_LEN_MAX -
		offsetof(wl_stats_report_t, data) - BCM_XTLV_HDR_SIZE,
		BCM_XTLV_OPTION_ALIGN32);

	if (ret) {
		goto fail;
	}

	/* Populate requests using this the local_xtlvbuf context. The xtlvbuf
	 * is used to fill the container containing the XTLVs populated using
	 * local_xtlvbuf.
	 */
	ret = bcm_xtlv_buf_init(&xtlvbuf,
		(uint8*)(request->data),
		IF_COUNTERS_PARAM_CONTAINER_LEN_MAX -
		offsetof(wl_stats_report_t, data),
		BCM_XTLV_OPTION_ALIGN32);

	if (ret) {
		goto fail;
	}

	/* Request generic stats */
	ret = bcm_xtlv_put_data(&local_xtlvbuf,
		WL_IFSTATS_XTLV_GENERIC, NULL, 0);
	if (ret) {
		goto fail;
	}

	/* Complete the outer container with type and length
	 * only.
	 */
	ret = bcm_xtlv_put_data(&xtlvbuf,
		WL_IFSTATS_XTLV_IF,
		NULL, bcm_xtlv_buf_len(&local_xtlvbuf));

	if (ret) {
		goto fail;
	}

	request->length = bcm_xtlv_buf_len(&xtlvbuf) +
		offsetof(wl_stats_report_t, data);
	bsscfg_idx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr);

	/* send the command over to the device and get teh output */
	ret = wldev_iovar_getbuf_bsscfg(dev, "if_counters", (void *)request,
		request->length, pbuf, WLC_IOCTL_MEDLEN, bsscfg_idx,
		&cfg->ioctl_buf_sync);
	if (ret < 0) {
		WL_ERR(("if_counters not supported ret=%d\n", ret));
		goto fail;
	}

	/* Reuse request to process response */
	response = (wl_stats_report_t *)pbuf;

	/* version check */
	if (response->version != WL_STATS_REPORT_REQUEST_VERSION_V2) {
		ret = BCME_VERSION;
		goto fail;
	}

	xtlv = (bcm_xtlv_t *)(response->data);

	expected_resp_len =
		(BCM_XTLV_LEN(xtlv) + OFFSETOF(wl_stats_report_t, data));

	/* Check if the received length is as expected */
	if ((response->length > WLC_IOCTL_MEDLEN) ||
		(response->length < expected_resp_len)) {
		ret = BCME_ERROR;
		WL_ERR(("Illegal response length received. Got: %d"
			" Expected: %d. Expected len must be <= %u\n",
			response->length, expected_resp_len, WLC_IOCTL_MEDLEN));
		goto fail;
	}

	/* check the type. The return data will be in
	 * WL_IFSTATS_XTLV_IF container. So check if that container is
	 * present
	 */
	if (BCM_XTLV_ID(xtlv) != WL_IFSTATS_XTLV_IF) {
		ret = BCME_ERROR;
		WL_ERR(("unexpected type received: %d Expected: %d\n",
			BCM_XTLV_ID(xtlv), WL_IFSTATS_XTLV_IF));
		goto fail;
	}

	/* Process XTLVs within WL_IFSTATS_XTLV_IF container */
	ret = bcm_unpack_xtlv_buf(if_stats,
		(uint8*)response->data + BCM_XTLV_HDR_SIZE,
		BCM_XTLV_LEN(xtlv), /* total length of all TLVs in container */
		BCM_XTLV_OPTION_ALIGN32, wl_cfg80211_ifstats_counters_cb);
	if (ret) {
		WL_ERR(("Error unpacking XTLVs in wl_ifstats_counters: %d\n", ret));
	}

fail:
	if (pbuf) {
		MFREE(dhdp->osh, pbuf, WLC_IOCTL_MEDLEN);
	}

	if (request) {
		MFREE(dhdp->osh, request, IF_COUNTERS_PARAM_CONTAINER_LEN_MAX);
	}
	return ret;
}
#undef IF_COUNTERS_PARAM_CONTAINER_LEN_MAX

static s32
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
        const u8 *mac, struct station_info *sinfo)
#else
wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
        u8 *mac, struct station_info *sinfo)
#endif // endif
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 rssi = 0;
	s32 rate = 0;
	s32 err = 0;
	u16 wl_iftype = 0;
	u16 wl_mode = 0;
	get_pktcnt_t pktcnt;
	wl_if_stats_t *if_stats = NULL;
	sta_info_v4_t *sta = NULL;
	u8 *curmacp = NULL;
	s8 eabuf[ETHER_ADDR_STR_LEN];
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	bool fw_assoc_state = FALSE;
	u32 dhd_assoc_state = 0;
	void *buf;

	RETURN_EIO_IF_NOT_UP(cfg);

	if (cfg80211_to_wl_iftype(dev->ieee80211_ptr->iftype, &wl_iftype, &wl_mode) < 0) {
		return -EINVAL;
	}

	buf = MALLOC(cfg->osh, MAX(sizeof(wl_if_stats_t), WLC_IOCTL_SMLEN));
	if (buf == NULL) {
		WL_ERR(("wl_cfg80211_get_station: MALLOC failed\n"));
		goto error;
	}

	switch (wl_iftype) {
		case WL_IF_TYPE_STA:
		case WL_IF_TYPE_IBSS:
			if (cfg->roam_offload) {
				struct ether_addr bssid;
				bzero(&bssid, sizeof(bssid));
				err = wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN);
				if (err) {
					WL_ERR(("Failed to get current BSSID\n"));
				} else {
					if (memcmp(mac, &bssid.octet, ETHER_ADDR_LEN) != 0) {
						/* roaming is detected */
						err = wl_cfg80211_delayed_roam(cfg, dev, &bssid);
						if (err)
							WL_ERR(("Failed to handle the delayed"
								" roam, err=%d", err));
						mac = (u8 *)bssid.octet;
					}
				}
			}
			dhd_assoc_state = wl_get_drv_status(cfg, CONNECTED, dev);
			DHD_OS_WAKE_LOCK(dhd);
			fw_assoc_state = dhd_is_associated(dhd, 0, &err);
			if (dhd_assoc_state && !fw_assoc_state) {
				/* check roam (join) status */
				if (wl_check_assoc_state(cfg, dev)) {
					fw_assoc_state = TRUE;
					WL_DBG(("roam status\n"));
				}
			}
			DHD_OS_WAKE_UNLOCK(dhd);
			if (!dhd_assoc_state || !fw_assoc_state) {
				WL_ERR(("NOT assoc\n"));
				if (err == -ENODATA)
					goto error;
				if (!dhd_assoc_state) {
					WL_TRACE_HW4(("drv state is not connected \n"));
				}
				if (!fw_assoc_state) {
					WL_TRACE_HW4(("fw state is not associated \n"));
				}
				/* Disconnect due to fw is not associated for
				 * FW_ASSOC_WATCHDOG_TIME ms.
				 * 'err == 0' of dhd_is_associated() and '!fw_assoc_state'
				 * means that BSSID is null.
				 */
				if (dhd_assoc_state && !fw_assoc_state && !err) {
					if (!fw_assoc_watchdog_started) {
						fw_assoc_watchdog_ms = OSL_SYSUPTIME();
						fw_assoc_watchdog_started = TRUE;
						WL_TRACE_HW4(("fw_assoc_watchdog_started \n"));
					} else if (OSL_SYSUPTIME() - fw_assoc_watchdog_ms >
							FW_ASSOC_WATCHDOG_TIME) {
						fw_assoc_watchdog_started = FALSE;
						err = -ENODEV;
						WL_TRACE_HW4(("fw is not associated for %d ms \n",
							(OSL_SYSUPTIME() - fw_assoc_watchdog_ms)));
						goto get_station_err;
					}
				}
				err = -ENODEV;
				goto error;
			}
			if (dhd_is_associated(dhd, 0, NULL)) {
				fw_assoc_watchdog_started = FALSE;
			}
			curmacp = wl_read_prof(cfg, dev, WL_PROF_BSSID);
			if (memcmp(mac, curmacp, ETHER_ADDR_LEN)) {
				WL_ERR(("Wrong Mac address: "MACDBG" != "MACDBG"\n",
					MAC2STRDBG(mac), MAC2STRDBG(curmacp)));
			}
			/* go through to get another information */
		case WL_IF_TYPE_P2P_GC:
		case WL_IF_TYPE_P2P_DISC:
			if ((err = wl_cfg80211_get_rssi(dev, cfg, &rssi)) != BCME_OK) {
				goto get_station_err;
			}
#if defined(RSSIAVG)
			err = wl_update_connected_rssi_cache(dev, &cfg->g_connected_rssi_cache_ctrl, &rssi);
			if (err) {
				WL_ERR(("Could not get rssi (%d)\n", err));
				goto get_station_err;
			}
			wl_delete_dirty_rssi_cache(&cfg->g_connected_rssi_cache_ctrl);
			wl_reset_rssi_cache(&cfg->g_connected_rssi_cache_ctrl);
#endif
#if defined(RSSIOFFSET)
			rssi = wl_update_rssi_offset(dev, rssi);
#endif
#if !defined(RSSIAVG) && !defined(RSSIOFFSET)
			// terence 20150419: limit the max. rssi to -2 or the bss will be filtered out in android OS
			rssi = MIN(rssi, RSSI_MAXVAL);
#endif
			sinfo->filled |= STA_INFO_BIT(INFO_SIGNAL);
			sinfo->signal = rssi;
			WL_DBG(("RSSI %d dBm\n", rssi));
			/* go through to get another information */
		case WL_IF_TYPE_P2P_GO:
			/* Report the current tx rate */
			rate = 0;
			err = wldev_ioctl_get(dev, WLC_GET_RATE, &rate, sizeof(rate));
			if (err) {
				WL_ERR(("Could not get rate (%d)\n", err));
			} else {
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
				int rxpktglom;
#endif // endif
				rate = dtoh32(rate);
				sinfo->filled |= STA_INFO_BIT(INFO_TX_BITRATE);
				sinfo->txrate.legacy = rate * 5;
				WL_DBG(("Rate %d Mbps\n", (rate / 2)));
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
				rxpktglom = ((rate/2) > 150) ? 20 : 10;

				if (maxrxpktglom != rxpktglom) {
					maxrxpktglom = rxpktglom;
					WL_DBG(("Rate %d Mbps, update bus:"
						"maxtxpktglom=%d\n", (rate/2), maxrxpktglom));
					err = wldev_iovar_setbuf(dev, "bus:maxtxpktglom",
							(char*)&maxrxpktglom, 4, cfg->ioctl_buf,
							WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
					if (err < 0) {
						WL_ERR(("set bus:maxtxpktglom failed, %d\n", err));
					}
				}
#endif // endif
			}
			if_stats = (wl_if_stats_t *)buf;
			bzero(if_stats, sizeof(*if_stats));
			if (FW_SUPPORTED(dhd, ifst)) {
				err = wl_cfg80211_ifstats_counters(dev, if_stats);
			} else
			{
				err = wldev_iovar_getbuf(dev, "if_counters", NULL, 0,
						(char *)if_stats, sizeof(*if_stats), NULL);
			}

			if (err) {
//				WL_ERR(("if_counters not supported ret=%d\n", err));
				bzero(&pktcnt, sizeof(pktcnt));
				err = wldev_ioctl_get(dev, WLC_GET_PKTCNTS, &pktcnt,
						sizeof(pktcnt));
				if (!err) {
					sinfo->rx_packets = pktcnt.rx_good_pkt;
					sinfo->rx_dropped_misc = pktcnt.rx_bad_pkt;
					sinfo->tx_packets = pktcnt.tx_good_pkt;
					sinfo->tx_failed  = pktcnt.tx_bad_pkt;
				}
			} else {
				sinfo->rx_packets = (uint32)dtoh64(if_stats->rxframe);
				sinfo->rx_dropped_misc = 0;
				sinfo->tx_packets = (uint32)dtoh64(if_stats->txfrmsnt);
				sinfo->tx_failed = (uint32)dtoh64(if_stats->txnobuf) +
					(uint32)dtoh64(if_stats->txrunt) +
					(uint32)dtoh64(if_stats->txfail);
			}

			sinfo->filled |= (STA_INFO_BIT(INFO_RX_PACKETS) |
					STA_INFO_BIT(INFO_RX_DROP_MISC) |
					STA_INFO_BIT(INFO_TX_PACKETS) |
					STA_INFO_BIT(INFO_TX_FAILED));
get_station_err:
			if (err && (err != -ENODATA)) {
				/* Disconnect due to zero BSSID or error to get RSSI */
				scb_val_t scbval;
				DHD_STATLOG_CTRL(dhd, ST(DISASSOC_INT_START),
					dhd_net2idx(dhd->info, dev), DOT11_RC_DISASSOC_LEAVING);
				scbval.val = htod32(DOT11_RC_DISASSOC_LEAVING);
				err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval,
						sizeof(scb_val_t));
				if (unlikely(err)) {
					WL_ERR(("disassoc error (%d)\n", err));
				}

				WL_ERR(("force cfg80211_disconnected: %d\n", err));
				wl_clr_drv_status(cfg, CONNECTED, dev);
				DHD_STATLOG_CTRL(dhd, ST(DISASSOC_DONE),
					dhd_net2idx(dhd->info, dev), DOT11_RC_DISASSOC_LEAVING);
				CFG80211_DISCONNECTED(dev, 0, NULL, 0, false, GFP_KERNEL);
				wl_link_down(cfg);
			}
			break;
		case WL_IF_TYPE_AP:
			err = wldev_iovar_getbuf(dev, "sta_info", (const   void*)mac,
					ETHER_ADDR_LEN, buf, WLC_IOCTL_SMLEN, NULL);
			if (err < 0) {
				WL_ERR(("GET STA INFO failed, %d\n", err));
				goto error;
			}
			sinfo->filled = STA_INFO_BIT(INFO_INACTIVE_TIME);
			sta = (sta_info_v4_t *)buf;
			if (sta->ver != WL_STA_VER_4 && sta->ver != WL_STA_VER_5) {
				WL_ERR(("GET STA INFO version mismatch, %d\n", err));
				return BCME_VERSION;
			}
			sta->len = dtoh16(sta->len);
			sta->cap = dtoh16(sta->cap);
			sta->flags = dtoh32(sta->flags);
			sta->idle = dtoh32(sta->idle);
			sta->in = dtoh32(sta->in);
			sinfo->inactive_time = sta->idle * 1000;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) || defined(WL_COMPAT_WIRELESS)
			if (sta->flags & WL_STA_ASSOC) {
				sinfo->filled |= STA_INFO_BIT(INFO_CONNECTED_TIME);
				sinfo->connected_time = sta->in;
			}
#endif // endif
			WL_INFORM_MEM(("STA %s, flags 0x%x, idle time %ds, connected time %ds\n",
				bcm_ether_ntoa((const struct ether_addr *)mac, eabuf),
				sta->flags, sta->idle, sta->in));
			break;
		default :
			WL_ERR(("Invalid device mode %d\n", wl_get_mode_by_netdev(cfg, dev)));
	}
error:
	if (buf) {
		MFREE(cfg->osh, buf, MAX(sizeof(wl_if_stats_t), WLC_IOCTL_SMLEN));
	}

	return err;
}

static int
wl_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev,
	int idx, u8 *mac, struct station_info *sinfo)
{
	struct net_device *dev;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct maclist *assoc_maclist = (struct maclist *)&(cfg->assoclist);
	int err;

	dev = ndev_to_wlc_ndev(ndev, cfg);

	WL_ERR(("%s: enter, idx=%d\n", __FUNCTION__, idx));

	if (idx == 0) {
		assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV;
		err = wldev_ioctl_get(ndev, WLC_GET_ASSOCLIST,
				assoc_maclist, sizeof(cfg->assoclist));
		if (err < 0) {
			WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err));
			cfg->assoclist.count = 0;
			return -EOPNOTSUPP;
		}
	}

	if (idx < le32_to_cpu(cfg->assoclist.count)) {
		memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN);
		return wl_cfg80211_get_station(wiphy, ndev, mac, sinfo);
	}

	return -ENOENT;
}

static s32
wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
	bool enabled, s32 timeout)
{
	s32 pm;
	s32 err = 0;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_info *_net_info = wl_get_netinfo_by_netdev(cfg, dev);
	s32 mode;
#ifdef RTT_SUPPORT
	rtt_status_info_t *rtt_status;
#endif /* RTT_SUPPORT */
	dhd_pub_t *dhd = cfg->pub;
	RETURN_EIO_IF_NOT_UP(cfg);

	WL_DBG(("Enter\n"));
	mode = wl_get_mode_by_netdev(cfg, dev);
	if (cfg->p2p_net == dev || _net_info == NULL ||
			!wl_get_drv_status(cfg, CONNECTED, dev) ||
			((mode != WL_MODE_BSS) &&
			(mode != WL_MODE_IBSS))) {
		return err;
	}

	/* Enlarge pm_enable_work */
	wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_LONG);

	pm = enabled ? PM_FAST : PM_OFF;
	if (_net_info->pm_block) {
		WL_ERR(("%s:Do not enable the power save for pm_block %d\n",
			dev->name, _net_info->pm_block));
		pm = PM_OFF;
	}
	if (enabled && dhd_conf_get_pm(dhd) >= 0)
		pm = dhd_conf_get_pm(dhd);
	pm = htod32(pm);
	WL_DBG(("%s:power save %s\n", dev->name, (pm ? "enabled" : "disabled")));
#ifdef RTT_SUPPORT
	rtt_status = GET_RTTSTATE(dhd);
	if (rtt_status->status != RTT_ENABLED) {
#endif /* RTT_SUPPORT */
		err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm));
		if (unlikely(err)) {
			if (err == -ENODEV)
				WL_DBG(("net_device is not ready yet\n"));
			else
				WL_ERR(("error (%d)\n", err));
			return err;
		}
#ifdef RTT_SUPPORT
	}
#endif /* RTT_SUPPORT */
	wl_cfg80211_update_power_mode(dev);
	return err;
}

void wl_cfg80211_update_power_mode(struct net_device *dev)
{
	int err, pm = -1;

	err = wldev_ioctl_get(dev, WLC_GET_PM, &pm, sizeof(pm));
	if (err)
		WL_ERR(("error (%d)\n", err));
	else if (pm != -1 && dev->ieee80211_ptr)
		dev->ieee80211_ptr->ps = (pm == PM_OFF) ? false : true;
}

static __used u32 wl_find_msb(u16 bit16)
{
	u32 ret = 0;

	if (bit16 & 0xff00) {
		ret += 8;
		bit16 >>= 8;
	}

	if (bit16 & 0xf0) {
		ret += 4;
		bit16 >>= 4;
	}

	if (bit16 & 0xc) {
		ret += 2;
		bit16 >>= 2;
	}

	if (bit16 & 2)
		ret += bit16 & 2;
	else if (bit16)
		ret += bit16;

	return ret;
}

static s32 wl_cfg80211_resume(struct wiphy *wiphy)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	s32 err = BCME_OK;

	if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) {
		WL_INFORM_MEM(("device is not ready\n"));
		return err;
	}

	return err;
}

static s32
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow)
#else
wl_cfg80211_suspend(struct wiphy *wiphy)
#endif // endif
{
	s32 err = BCME_OK;
#ifdef DHD_CLEAR_ON_SUSPEND
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_info *iter, *next;
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	unsigned long flags;

	if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) {
		WL_INFORM_MEM(("device is not ready : status (%d)\n",
			(int)cfg->status));
		return err;
	}
	for_each_ndev(cfg, iter, next) {
		/* p2p discovery iface doesn't have a ndev associated with it (for kernel > 3.8) */
		if (iter->ndev)
			wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev);
		}
	WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags);
	if (cfg->scan_request) {
		wl_notify_scan_done(cfg, true);
		cfg->scan_request = NULL;
	}
	for_each_ndev(cfg, iter, next) {
		if (iter->ndev) {
			wl_clr_drv_status(cfg, SCANNING, iter->ndev);
			wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev);
		}
	}
	WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags);
	for_each_ndev(cfg, iter, next) {
		if (iter->ndev) {
			if (wl_get_drv_status(cfg, CONNECTING, iter->ndev)) {
				wl_bss_connect_done(cfg, iter->ndev, NULL, NULL, false);
			}
		}
	}
#endif /* DHD_CLEAR_ON_SUSPEND */

	return err;
}

static s32
wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list,
	s32 err)
{
	int i, j;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg);
	int npmkids = cfg->pmk_list->pmkids.count;

	ASSERT(cfg->pmk_list->pmkids.length >= (sizeof(u16)*2));
	if (!pmk_list) {
		WL_ERR(("pmk_list is NULL\n"));
		return -EINVAL;
	}
	/* pmk list is supported only for STA interface i.e. primary interface
	 * Refer code wlc_bsscfg.c->wlc_bsscfg_sta_init
	 */
	if (primary_dev != dev) {
		WL_INFORM_MEM(("Not supporting Flushing pmklist on virtual"
			" interfaces than primary interface\n"));
		return err;
	}

	WL_DBG(("No of elements %d\n", npmkids));
	for (i = 0; i < npmkids; i++) {
		WL_DBG(("PMKID[%d]: %pM =\n", i,
			&pmk_list->pmkids.pmkid[i].bssid));
		for (j = 0; j < WPA2_PMKID_LEN; j++) {
			WL_DBG(("%02x\n", pmk_list->pmkids.pmkid[i].pmkid[j]));
		}
	}
	if (cfg->wlc_ver.wlc_ver_major >= MIN_PMKID_LIST_V3_FW_MAJOR) {
			pmk_list->pmkids.version = PMKID_LIST_VER_3;
			err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmk_list,
				sizeof(*pmk_list), cfg->ioctl_buf,
				WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
	}
	else if (cfg->wlc_ver.wlc_ver_major == MIN_PMKID_LIST_V2_FW_MAJOR) {
		u32 v2_list_size = (u32)(sizeof(pmkid_list_v2_t) + npmkids*sizeof(pmkid_v2_t));
		pmkid_list_v2_t *pmkid_v2_list = (pmkid_list_v2_t *)MALLOCZ(cfg->osh, v2_list_size);

		if (pmkid_v2_list == NULL) {
			WL_ERR(("failed to allocate pmkid list\n"));
			return BCME_NOMEM;
		}

		pmkid_v2_list->version = PMKID_LIST_VER_2;
		/* Account for version, length and pmkid_v2_t fields */
		pmkid_v2_list->length = (npmkids * sizeof(pmkid_v2_t)) + (2 * sizeof(u16));

		for (i = 0; i < npmkids; i++) {
			/* memcpy_s return checks not needed as buffers are of same size */
			(void)memcpy_s(&pmkid_v2_list->pmkid[i].BSSID,
					ETHER_ADDR_LEN, &pmk_list->pmkids.pmkid[i].bssid,
					ETHER_ADDR_LEN);

			/* copy pmkid if available */
			if (pmk_list->pmkids.pmkid[i].pmkid_len) {
				(void)memcpy_s(pmkid_v2_list->pmkid[i].PMKID,
						WPA2_PMKID_LEN,
						pmk_list->pmkids.pmkid[i].pmkid,
						pmk_list->pmkids.pmkid[i].pmkid_len);
			}

			if (pmk_list->pmkids.pmkid[i].pmk_len) {
				(void)memcpy_s(pmkid_v2_list->pmkid[i].pmk,
						pmk_list->pmkids.pmkid[i].pmk_len,
						pmk_list->pmkids.pmkid[i].pmk,
						pmk_list->pmkids.pmkid[i].pmk_len);
				pmkid_v2_list->pmkid[i].pmk_len = pmk_list->pmkids.pmkid[i].pmk_len;
			}

			if (pmk_list->pmkids.pmkid[i].ssid_len) {
				(void)memcpy_s(pmkid_v2_list->pmkid[i].ssid.ssid,
						pmk_list->pmkids.pmkid[i].ssid_len,
						pmk_list->pmkids.pmkid[i].ssid,
						pmk_list->pmkids.pmkid[i].ssid_len);
				pmkid_v2_list->pmkid[i].ssid.ssid_len
					= pmk_list->pmkids.pmkid[i].ssid_len;
			}

			(void)memcpy_s(pmkid_v2_list->pmkid[i].fils_cache_id,
					FILS_CACHE_ID_LEN, &pmk_list->pmkids.pmkid[i].fils_cache_id,
					FILS_CACHE_ID_LEN);
			pmkid_v2_list->pmkid[i].length = PMKID_ELEM_V2_LENGTH;
		}
		err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmkid_v2_list,
				v2_list_size, cfg->ioctl_buf,
				WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
		if (unlikely(err)) {
			WL_ERR(("pmkid_info failed (%d)\n", err));
		}

		MFREE(cfg->osh, pmkid_v2_list, v2_list_size);
	}
	else {
		u32 v1_list_size = (u32)(sizeof(pmkid_list_v1_t) + npmkids*sizeof(pmkid_v1_t));
		pmkid_list_v1_t *pmkid_v1_list = (pmkid_list_v1_t *)MALLOCZ(cfg->osh, v1_list_size);
		if (pmkid_v1_list == NULL) {
			WL_ERR(("failed to allocate pmkid list\n"));
			return BCME_NOMEM;
		}
		for (i = 0; i < npmkids; i++) {
			/* memcpy_s return checks not needed as buffers are of same size */
			(void)memcpy_s(&pmkid_v1_list->pmkid[i].BSSID,
					ETHER_ADDR_LEN, &pmk_list->pmkids.pmkid[i].bssid,
					ETHER_ADDR_LEN);
			(void)memcpy_s(pmkid_v1_list->pmkid[i].PMKID,
					WPA2_PMKID_LEN, pmk_list->pmkids.pmkid[i].pmkid,
					WPA2_PMKID_LEN);
			pmkid_v1_list->npmkid++;
		}
		err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmkid_v1_list,
				v1_list_size, cfg->ioctl_buf,
				WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
		if (unlikely(err)) {
			WL_ERR(("pmkid_info failed (%d)\n", err));
		}

		MFREE(cfg->osh, pmkid_v1_list, v1_list_size);
	}
	return err;
}

/* TODO: remove temporal cfg->pmk_list list, and call wl_cfg80211_update_pmksa for single
 * entry operation.
 */
static s32
wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_pmksa *pmksa)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = 0;
	int i;
	int npmkids = cfg->pmk_list->pmkids.count;
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	RETURN_EIO_IF_NOT_UP(cfg);
	BCM_REFERENCE(dhdp);
	DHD_STATLOG_CTRL(dhdp, ST(INSTALL_PMKSA), dhd_net2idx(dhdp->info, dev), 0);

	for (i = 0; i < npmkids; i++) {
		if (pmksa->bssid != NULL) {
			if (!memcmp(pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].bssid,
				ETHER_ADDR_LEN))
				break;
		}
#ifdef WL_FILS
		else if (pmksa->ssid != NULL) {
			if (!memcmp(pmksa->ssid, &cfg->pmk_list->pmkids.pmkid[i].ssid,
				pmksa->ssid_len))
				break;
		}
#endif /* WL_FILS */
	}
	if (i < WL_NUM_PMKIDS_MAX) {
		if (pmksa->bssid != NULL) {
			memcpy(&cfg->pmk_list->pmkids.pmkid[i].bssid, pmksa->bssid,
				ETHER_ADDR_LEN);
		}
#ifdef WL_FILS
		else if (pmksa->ssid != NULL) {
			cfg->pmk_list->pmkids.pmkid[i].ssid_len = pmksa->ssid_len;
			memcpy(&cfg->pmk_list->pmkids.pmkid[i].ssid, pmksa->ssid,
				pmksa->ssid_len);
			memcpy(&cfg->pmk_list->pmkids.pmkid[i].fils_cache_id, pmksa->cache_id,
				FILS_CACHE_ID_LEN);
		}
#endif /* WL_FILS */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) || defined(WL_FILS))
		if (pmksa->pmk_len) {
			if (memcpy_s(&cfg->pmk_list->pmkids.pmkid[i].pmk, PMK_LEN_MAX, pmksa->pmk,
				pmksa->pmk_len)) {
				WL_ERR(("invalid pmk len = %lu", pmksa->pmk_len));
			} else {
				cfg->pmk_list->pmkids.pmkid[i].pmk_len = pmksa->pmk_len;
			}
		}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) || defined(WL_FILS) */
		/* return check not required as buffer lengths are same */
		(void)memcpy_s(cfg->pmk_list->pmkids.pmkid[i].pmkid, WPA2_PMKID_LEN, pmksa->pmkid,
			WPA2_PMKID_LEN);
		cfg->pmk_list->pmkids.pmkid[i].pmkid_len = WPA2_PMKID_LEN;

		/* set lifetime not to expire in firmware by default.
		 * Currently, wpa_supplicant control PMKID lifetime on his end. e.g) set 12 hours
		 * when it expired, wpa_supplicant should call set_pmksa/del_pmksa to update
		 * corresponding entry.
		 */
		cfg->pmk_list->pmkids.pmkid[i].time_left = KEY_PERM_PMK;
		if (i == npmkids) {
			cfg->pmk_list->pmkids.length += sizeof(pmkid_v3_t);
			cfg->pmk_list->pmkids.count++;
		}
	} else {
		err = -EINVAL;
	}

#if (WL_DBG_LEVEL > 0)
	if (pmksa->bssid != NULL) {
		WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
			&cfg->pmk_list->pmkids.pmkid[npmkids - 1].bssid));
	}
	for (i = 0; i < WPA2_PMKID_LEN; i++) {
		WL_DBG(("%02x\n",
			cfg->pmk_list->pmkids.pmkid[npmkids - 1].
			pmkid[i]));
	}
#endif /* (WL_DBG_LEVEL > 0) */

	err = wl_update_pmklist(dev, cfg->pmk_list, err);

	return err;
}

/* sending pmkid_info IOVAR to manipulate PMKID(PMKSA) list in firmware.
 * input @pmksa: host given single pmksa info.
 * if it's NULL, assume whole list manipulated. e.g) flush all PMKIDs in firmware.
 * input @set: TRUE means adding PMKSA operation. FALSE means deleting.
 * return: log internal BCME_XXX error, and convert it to -EINVAL to linux generic error code.
 */
static s32 wl_cfg80211_update_pmksa(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_pmksa *pmksa, bool set) {

	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = 0;
	pmkid_list_v3_t *pmk_list;
	uint32 alloc_len;

	RETURN_EIO_IF_NOT_UP(cfg);

	if (cfg->wlc_ver.wlc_ver_major < MIN_PMKID_LIST_V3_FW_MAJOR) {
		WL_ERR(("wlc_ver_major not supported:%d\n", cfg->wlc_ver.wlc_ver_major));
		return BCME_VERSION;
	}

	alloc_len = (uint32) OFFSETOF(pmkid_list_v3_t, pmkid) + ((pmksa) ? sizeof(pmkid_v3_t) : 0);
	pmk_list = (pmkid_list_v3_t *)MALLOCZ(cfg->osh, alloc_len);

	if (pmk_list == NULL) {
		return BCME_NOMEM;
	}

	pmk_list->version = PMKID_LIST_VER_3;
	pmk_list->length = alloc_len;
	pmk_list->count = (pmksa) ? 1 : 0; // 1 means single entry operation, 0 means whole list.

	/* controll set/del action by lifetime parameter accordingly.
	 * if set == TRUE, it's set PMKID action with lifetime permanent.
	 * if set == FALSE, it's del PMKID action with lifetime zero.
	 */
	pmk_list->pmkid->time_left = (set) ? KEY_PERM_PMK : 0;

	if (pmksa) {
		if (pmksa->bssid) {
			err = memcpy_s(&pmk_list->pmkid->bssid, sizeof(pmk_list->pmkid->bssid),
				pmksa->bssid, ETHER_ADDR_LEN);
			if (err) {
				goto exit;
			}
		}
		if (pmksa->pmkid) {
			err = memcpy_s(&pmk_list->pmkid->pmkid, sizeof(pmk_list->pmkid->pmkid),
				pmksa->pmkid, WPA2_PMKID_LEN);
			if (err) {
				goto exit;
			}
		}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
		if (pmksa->pmk) {
			err = memcpy_s(&pmk_list->pmkid->pmk, sizeof(pmk_list->pmkid->pmk),
				pmksa->pmk, pmksa->pmk_len);
			if (err) {
				goto exit;
			}
			pmk_list->pmkid->pmk_len = pmksa->pmk_len;
		}
		if (pmksa->ssid) {
			err = memcpy_s(&pmk_list->pmkid->ssid, sizeof(pmk_list->pmkid->ssid),
				pmksa->ssid, pmksa->ssid_len);
			if (err) {
				goto exit;
			}
			pmk_list->pmkid->ssid_len = pmksa->ssid_len;
		}
		if (pmksa->cache_id) {
			pmk_list->pmkid->fils_cache_id = *(uint16 *)pmksa->cache_id;
		}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */
	}
	err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmk_list,
		alloc_len, cfg->ioctl_buf,
		WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);

exit:
	if (pmk_list) {
		MFREE(cfg->osh, pmk_list, alloc_len);
	}
	return err;
}

/* TODO: remove temporal cfg->pmk_list list, and call wl_cfg80211_update_pmksa for single
 * entry operation.
 */
static s32
wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_pmksa *pmksa)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = 0;
	int i;
	int npmkids = cfg->pmk_list->pmkids.count;
	RETURN_EIO_IF_NOT_UP(cfg);

	if (!pmksa) {
		WL_ERR(("pmksa is not initialized\n"));
		return BCME_ERROR;
	}
	if (!npmkids) {
		/* nmpkids = 0, nothing to delete */
		WL_DBG(("npmkids=0. Skip del\n"));
		return BCME_OK;
	}

#if (WL_DBG_LEVEL > 0)
	if (pmksa->bssid) {
		WL_DBG(("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
			pmksa->bssid));
	}
#ifdef WL_FILS
	else if (pmksa->ssid) {
		WL_DBG(("FILS: del_pmksa for ssid: "));
		for (i = 0; i < pmksa->ssid_len; i++) {
			WL_DBG(("%c", pmksa->ssid[i]));
		}
		WL_DBG(("\n"));
	}
#endif /* WL_FILS */
	if (pmksa->pmkid) {
		for (i = 0; i < WPA2_PMKID_LEN; i++) {
			WL_DBG(("%02x\n", pmksa->pmkid[i]));
		}
	}
#endif /* (WL_DBG_LEVEL > 0) */

	for (i = 0; i < npmkids; i++) {
		if (pmksa->bssid) {
			if (!memcmp
			    (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].bssid,
			     ETHER_ADDR_LEN)) {
					break;
			}
		}
#ifdef WL_FILS
		else if (pmksa->ssid) {
			if (!memcmp
			    (pmksa->ssid, &cfg->pmk_list->pmkids.pmkid[i].ssid,
			     pmksa->ssid_len)) {
					break;
			}
		}
#endif /* WL_FILS */
	}
	if ((npmkids > 0) && (i < npmkids)) {
		bzero(&cfg->pmk_list->pmkids.pmkid[i], sizeof(pmkid_v3_t));
		for (; i < (npmkids - 1); i++) {
			(void)memcpy_s(&cfg->pmk_list->pmkids.pmkid[i],
				sizeof(pmkid_v3_t),
				&cfg->pmk_list->pmkids.pmkid[i + 1],
				sizeof(pmkid_v3_t));
		}
		npmkids--;
		cfg->pmk_list->pmkids.length -= sizeof(pmkid_v3_t);
		cfg->pmk_list->pmkids.count--;

	} else {
		err = -EINVAL;
	}

	/* current wl_update_pmklist() doesn't delete corresponding PMKID entry.
	 * inside firmware. So we need to issue delete action explicitely through
	 * this function.
	 */
	err = wl_cfg80211_update_pmksa(wiphy, dev, pmksa, FALSE);
	/* intentional fall through even on error.
	 * it should work above MIN_PMKID_LIST_V3_FW_MAJOR, otherwise let ignore it.
	 */

	err = wl_update_pmklist(dev, cfg->pmk_list, err);

	return err;

}

/* TODO: remove temporal cfg->pmk_list list, and call wl_cfg80211_update_pmksa for single
 * entry operation.
 */
static s32
wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = 0;
	RETURN_EIO_IF_NOT_UP(cfg);
	bzero(cfg->pmk_list, sizeof(*cfg->pmk_list));
	cfg->pmk_list->pmkids.length = OFFSETOF(pmkid_list_v3_t, pmkid);
	cfg->pmk_list->pmkids.count = 0;
	cfg->pmk_list->pmkids.version = PMKID_LIST_VER_3;
	err = wl_update_pmklist(dev, cfg->pmk_list, err);
	return err;
}

static s32
wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
	struct ieee80211_channel *channel,
#if !defined(WL_CFG80211_P2P_DEV_IF)
	enum nl80211_channel_type channel_type,
#endif /* WL_CFG80211_P2P_DEV_IF */
	unsigned int duration, u64 *cookie)
{
	s32 target_channel;
	u32 id;
	s32 err = BCME_OK;
	struct ether_addr primary_mac;
	struct net_device *ndev = NULL;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);

	RETURN_EIO_IF_NOT_UP(cfg);
#ifdef DHD_IFDEBUG
	PRINT_WDEV_INFO(cfgdev);
#endif /* DHD_IFDEBUG */

	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);

	mutex_lock(&cfg->usr_sync);
	WL_DBG(("Enter, channel: %d, duration ms (%d) SCANNING ?? %s \n",
		ieee80211_frequency_to_channel(channel->center_freq),
		duration, (wl_get_drv_status(cfg, SCANNING, ndev)) ? "YES":"NO"));

	if (!cfg->p2p) {
		WL_ERR(("cfg->p2p is not initialized\n"));
		err = BCME_ERROR;
		goto exit;
	}

#ifdef P2P_LISTEN_OFFLOADING
	if (wl_get_p2p_status(cfg, DISC_IN_PROGRESS)) {
		WL_ERR(("P2P_FIND: Discovery offload is in progress\n"));
		err = -EAGAIN;
		goto exit;
	}
#endif /* P2P_LISTEN_OFFLOADING */

#ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
	if (wl_get_drv_status_all(cfg, SCANNING)) {
		wl_cfg80211_cancel_scan(cfg);
	}
#endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */

	target_channel = ieee80211_frequency_to_channel(channel->center_freq);
	memcpy(&cfg->remain_on_chan, channel, sizeof(struct ieee80211_channel));
#if defined(WL_ENABLE_P2P_IF)
	cfg->remain_on_chan_type = channel_type;
#endif /* WL_ENABLE_P2P_IF */
	id = ++cfg->last_roc_id;
	if (id == 0)
		id = ++cfg->last_roc_id;
	*cookie = id;

#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
	if (wl_get_drv_status(cfg, SCANNING, ndev)) {
		timer_list_compat_t *_timer;
		WL_DBG(("scan is running. go to fake listen state\n"));

		if (duration > LONG_LISTEN_TIME) {
			wl_cfg80211_scan_abort(cfg);
		} else {
			wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev);

			if (timer_pending(&cfg->p2p->listen_timer)) {
				WL_DBG(("cancel current listen timer \n"));
				del_timer_sync(&cfg->p2p->listen_timer);
			}

			_timer = &cfg->p2p->listen_timer;
			wl_clr_p2p_status(cfg, LISTEN_EXPIRED);

			INIT_TIMER(_timer, wl_cfgp2p_listen_expired, duration, 0);

			err = BCME_OK;
			goto exit;
		}
	}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */

#ifdef WL_BCNRECV
	/* check fakeapscan in progress then abort */
	wl_android_bcnrecv_stop(ndev, WL_BCNRECV_LISTENBUSY);
#endif /* WL_BCNRECV */
#ifdef WL_CFG80211_SYNC_GON
	if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) {
		/* do not enter listen mode again if we are in listen mode already for next af.
		 * remain on channel completion will be returned by waiting next af completion.
		 */
#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
		wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev);
#else
		wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev);
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
		goto exit;
	}
#endif /* WL_CFG80211_SYNC_GON */
	if (cfg->p2p && !cfg->p2p->on) {
		/* In case of p2p_listen command, supplicant send remain_on_channel
		 * without turning on P2P
		 */
		get_primary_mac(cfg, &primary_mac);
#ifndef WL_P2P_USE_RANDMAC
		wl_cfgp2p_generate_bss_mac(cfg, &primary_mac);
#endif /* WL_P2P_USE_RANDMAC */
		p2p_on(cfg) = true;
	}

	if (p2p_is_on(cfg)) {
		err = wl_cfgp2p_enable_discovery(cfg, ndev, NULL, 0);
		if (unlikely(err)) {
			goto exit;
		}
#ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
		wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev);
#endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
		err = wl_cfgp2p_discover_listen(cfg, target_channel, duration);

#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
		if (err == BCME_OK) {
			wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev);
		} else {
			/* if failed, firmware may be internal scanning state.
			 * so other scan request shall not abort it
			 */
			wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev);
		}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */

		if (err) {
			wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
		}

		/* WAR: set err = ok to prevent cookie mismatch in wpa_supplicant
		 * and expire timer will send a completion to the upper layer
		 */
		err = BCME_OK;
	}

exit:
	if (err == BCME_OK) {
		WL_DBG(("Success\n"));
#if defined(WL_CFG80211_P2P_DEV_IF)
		cfg80211_ready_on_channel(cfgdev, *cookie, channel,
			duration, GFP_KERNEL);
#else
		cfg80211_ready_on_channel(cfgdev, *cookie, channel,
			channel_type, duration, GFP_KERNEL);
#endif /* WL_CFG80211_P2P_DEV_IF */
	} else {
		WL_ERR(("Fail to Set (err=%d cookie:%llu)\n", err, *cookie));
	}
	mutex_unlock(&cfg->usr_sync);
	return err;
}

static s32
wl_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
	bcm_struct_cfgdev *cfgdev, u64 cookie)
{
	s32 err = 0;

	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);

#ifdef P2PLISTEN_AP_SAMECHN
	struct net_device *dev;
#endif /* P2PLISTEN_AP_SAMECHN */

	RETURN_EIO_IF_NOT_UP(cfg);

#ifdef DHD_IFDEBUG
	PRINT_WDEV_INFO(cfgdev);
#endif /* DHD_IFDEBUG */

#if defined(WL_CFG80211_P2P_DEV_IF)
	if (cfgdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
		WL_DBG((" enter ) on P2P dedicated discover interface\n"));
	}
#else
	WL_DBG((" enter ) netdev_ifidx: %d \n", cfgdev->ifindex));
#endif /* WL_CFG80211_P2P_DEV_IF */

#ifdef P2PLISTEN_AP_SAMECHN
	if (cfg && cfg->p2p_resp_apchn_status) {
		dev = bcmcfg_to_prmry_ndev(cfg);
		wl_cfg80211_set_p2p_resp_ap_chn(dev, 0);
		cfg->p2p_resp_apchn_status = false;
		WL_DBG(("p2p_resp_apchn_status Turn OFF \n"));
	}
#endif /* P2PLISTEN_AP_SAMECHN */

	if (cfg->last_roc_id == cookie) {
		wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0,
			wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE));
	} else {
		WL_ERR(("wl_cfg80211_cancel_remain_on_channel: ignore, request cookie(%llu)"
			" is not matched. (cur : %llu)\n",
			cookie, cfg->last_roc_id));
	}

	return err;
}

static void
wl_cfg80211_afx_handler(struct work_struct *work)
{
	struct afx_hdl *afx_instance;
	struct bcm_cfg80211 *cfg;
	s32 ret = BCME_OK;

	BCM_SET_CONTAINER_OF(afx_instance, work, struct afx_hdl, work);
	if (afx_instance) {
		cfg = wl_get_cfg(afx_instance->dev);
		if (cfg != NULL && cfg->afx_hdl->is_active) {
			if (cfg->afx_hdl->is_listen && cfg->afx_hdl->my_listen_chan) {
				ret = wl_cfgp2p_discover_listen(cfg, cfg->afx_hdl->my_listen_chan,
					(100 * (1 + (RANDOM32() % 3)))); /* 100ms ~ 300ms */
			} else {
				ret = wl_cfgp2p_act_frm_search(cfg, cfg->afx_hdl->dev,
					cfg->afx_hdl->bssidx, cfg->afx_hdl->peer_listen_chan,
					NULL);
			}
			if (unlikely(ret != BCME_OK)) {
				WL_ERR(("ERROR occurred! returned value is (%d)\n", ret));
				if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL))
					complete(&cfg->act_frm_scan);
			}
		}
	}
}

static s32
wl_cfg80211_af_searching_channel(struct bcm_cfg80211 *cfg, struct net_device *dev)
{
	u32 max_retry = WL_CHANNEL_SYNC_RETRY;
	bool is_p2p_gas = false;

	if (dev == NULL)
		return -1;

	WL_DBG((" enter ) \n"));

	wl_set_drv_status(cfg, FINDING_COMMON_CHANNEL, dev);
	cfg->afx_hdl->is_active = TRUE;

	if (cfg->afx_hdl->pending_tx_act_frm) {
		wl_action_frame_t *action_frame;
		action_frame = &(cfg->afx_hdl->pending_tx_act_frm->action_frame);
		if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len))
			is_p2p_gas = true;
	}

	/* Loop to wait until we find a peer's channel or the
	 * pending action frame tx is cancelled.
	 */
	while ((cfg->afx_hdl->retry < max_retry) &&
		(cfg->afx_hdl->peer_chan == WL_INVALID)) {
		cfg->afx_hdl->is_listen = FALSE;
		wl_set_drv_status(cfg, SCANNING, dev);
		WL_DBG(("Scheduling the action frame for sending.. retry %d\n",
			cfg->afx_hdl->retry));
		/* search peer on peer's listen channel */
		schedule_work(&cfg->afx_hdl->work);
		wait_for_completion_timeout(&cfg->act_frm_scan,
			msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX));

		if ((cfg->afx_hdl->peer_chan != WL_INVALID) ||
			!(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev)))
			break;

		if (is_p2p_gas)
			break;

		if (cfg->afx_hdl->my_listen_chan) {
			WL_DBG(("Scheduling Listen peer in my listen channel = %d\n",
				cfg->afx_hdl->my_listen_chan));
			/* listen on my listen channel */
			cfg->afx_hdl->is_listen = TRUE;
			schedule_work(&cfg->afx_hdl->work);
			wait_for_completion_timeout(&cfg->act_frm_scan,
				msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX));
		}
		if ((cfg->afx_hdl->peer_chan != WL_INVALID) ||
			!(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev)))
			break;

		cfg->afx_hdl->retry++;

		WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg);
	}

	cfg->afx_hdl->is_active = FALSE;

	wl_clr_drv_status(cfg, SCANNING, dev);
	wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, dev);

	return (cfg->afx_hdl->peer_chan);
}

struct p2p_config_af_params {
	s32 max_tx_retry;	/* max tx retry count if tx no ack */
#ifdef WL_CFG80211_GON_COLLISION
	/* drop tx go nego request if go nego collision occurs */
	bool drop_tx_req;
#endif // endif
#ifdef WL_CFG80211_SYNC_GON
	bool extra_listen;
#endif // endif
	bool search_channel;	/* 1: search peer's channel to send af */
};

#ifdef WL_DISABLE_HE_P2P
static s32
wl_cfg80211_he_p2p_disable(struct wiphy *wiphy, struct ether_addr peer_mac)
{
	struct cfg80211_bss *bss;
	u8 *ie = NULL;
	u32 ie_len = 0;
	struct net_device *ndev = NULL;
	s32 bssidx = 0;
	s32 err = BCME_OK;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);

	bss = CFG80211_GET_BSS(wiphy, NULL, peer_mac.octet, NULL, 0);
	if (!bss) {
		WL_ERR(("Could not find the Peer device\n"));
		return BCME_ERROR;
	} else {
		GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
#if defined(WL_CFG80211_P2P_DEV_IF)
		ie = (u8 *)bss->ies->data;
		ie_len = bss->ies->len;
#else
		ie = bss->information_elements;
		ie_len = bss->len_information_elements;
#endif /* WL_CFG80211_P2P_DEV_IF */
		GCC_DIAGNOSTIC_POP();
	}
	if (ie) {
		if ((bcm_parse_tlvs_dot11(ie, ie_len,
				EXT_MNG_HE_CAP_ID, TRUE)) == NULL) {
			WL_DBG(("Peer does not support HE capability\n"));
			ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1);
			if (ndev && (bssidx =
				wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr)) < 0) {
				WL_ERR(("Find index failed\n"));
				err = BCME_ERROR;
			} else {
				WL_DBG(("Disabling HE for P2P\n"));
				err = wl_cfg80211_set_he_mode(ndev, cfg, bssidx,
					WL_IF_TYPE_P2P_DISC, FALSE);
				if (err < 0) {
					WL_ERR(("failed to set he features, error=%d\n", err));
				}
			}
		} else {
			WL_DBG(("Peer supports HE capability\n"));
		}
	}
	CFG80211_PUT_BSS(wiphy, bss);

	return err;
}
#endif /* WL_DISABLE_HE_P2P */

static s32
wl_cfg80211_config_p2p_pub_af_tx(struct wiphy *wiphy,
	wl_action_frame_t *action_frame, wl_af_params_t *af_params,
	struct p2p_config_af_params *config_af_params)
{
	s32 err = BCME_OK;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	wifi_p2p_pub_act_frame_t *act_frm =
		(wifi_p2p_pub_act_frame_t *) (action_frame->data);

	/* initialize default value */
#ifdef WL_CFG80211_GON_COLLISION
	config_af_params->drop_tx_req = false;
#endif // endif
#ifdef WL_CFG80211_SYNC_GON
	config_af_params->extra_listen = true;
#endif // endif
	config_af_params->search_channel = false;
	config_af_params->max_tx_retry = WL_AF_TX_MAX_RETRY;
	cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID;

	switch (act_frm->subtype) {
	case P2P_PAF_GON_REQ: {
		/* Disable he if peer does not support before starting GONEG */
#ifdef WL_DISABLE_HE_P2P
		wl_cfg80211_he_p2p_disable(wiphy, action_frame->da);
#endif /* WL_DISABLE_HE_P2P */
		WL_DBG(("P2P: GO_NEG_PHASE status set \n"));
		wl_set_p2p_status(cfg, GO_NEG_PHASE);

		config_af_params->search_channel = true;
		cfg->next_af_subtype = act_frm->subtype + 1;

		/* increase dwell time to wait for RESP frame */
		af_params->dwell_time = WL_MED_DWELL_TIME;

#ifdef WL_CFG80211_GON_COLLISION
		config_af_params->drop_tx_req = true;
#endif /* WL_CFG80211_GON_COLLISION */
		break;
	}
	case P2P_PAF_GON_RSP: {
		cfg->next_af_subtype = act_frm->subtype + 1;
		/* increase dwell time to wait for CONF frame */
		af_params->dwell_time = WL_MED_DWELL_TIME + 100;
		break;
	}
	case P2P_PAF_GON_CONF: {
		/* If we reached till GO Neg confirmation reset the filter */
		WL_DBG(("P2P: GO_NEG_PHASE status cleared \n"));
		wl_clr_p2p_status(cfg, GO_NEG_PHASE);

		/* minimize dwell time */
		af_params->dwell_time = WL_MIN_DWELL_TIME;

#ifdef WL_CFG80211_GON_COLLISION
		/* if go nego formation done, clear it */
		cfg->block_gon_req_tx_count = 0;
		cfg->block_gon_req_rx_count = 0;
#endif /* WL_CFG80211_GON_COLLISION */
#ifdef WL_CFG80211_SYNC_GON
		config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
		break;
	}
	case P2P_PAF_INVITE_REQ: {
		config_af_params->search_channel = true;
		cfg->next_af_subtype = act_frm->subtype + 1;

		/* increase dwell time */
		af_params->dwell_time = WL_MED_DWELL_TIME;
		break;
	}
	case P2P_PAF_INVITE_RSP:
		/* minimize dwell time */
		af_params->dwell_time = WL_MIN_DWELL_TIME;
#ifdef WL_CFG80211_SYNC_GON
		config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
		break;
	case P2P_PAF_DEVDIS_REQ: {
		if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0],
			action_frame->len)) {
			config_af_params->search_channel = true;
		}

		cfg->next_af_subtype = act_frm->subtype + 1;
		/* maximize dwell time to wait for RESP frame */
		af_params->dwell_time = WL_LONG_DWELL_TIME;
		break;
	}
	case P2P_PAF_DEVDIS_RSP:
		/* minimize dwell time */
		af_params->dwell_time = WL_MIN_DWELL_TIME;
#ifdef WL_CFG80211_SYNC_GON
		config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
		break;
	case P2P_PAF_PROVDIS_REQ: {
		if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0],
			action_frame->len)) {
			config_af_params->search_channel = true;
		}

		cfg->next_af_subtype = act_frm->subtype + 1;
		/* increase dwell time to wait for RESP frame */
		af_params->dwell_time = WL_MED_DWELL_TIME;
		break;
	}
	case P2P_PAF_PROVDIS_RSP: {
		cfg->next_af_subtype = P2P_PAF_GON_REQ;
		af_params->dwell_time = WL_MED_DWELL_TIME;
#ifdef WL_CFG80211_SYNC_GON
		config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
		break;
	}
	default:
		WL_DBG(("Unknown p2p pub act frame subtype: %d\n",
			act_frm->subtype));
		err = BCME_BADARG;
	}
	return err;
}

#ifdef WL11U
static bool
wl_cfg80211_check_DFS_channel(struct bcm_cfg80211 *cfg, wl_af_params_t *af_params,
	void *frame, u16 frame_len)
{
	struct wl_scan_results *bss_list;
	wl_bss_info_t *bi = NULL;
	bool result = false;
	s32 i;
	chanspec_t chanspec;

	/* If DFS channel is 52~148, check to block it or not */
	if (af_params &&
		(af_params->channel >= 52 && af_params->channel <= 148)) {
		if (!wl_cfgp2p_is_p2p_action(frame, frame_len)) {
			bss_list = cfg->bss_list;
			bi = next_bss(bss_list, bi);
			for_each_bss(bss_list, bi, i) {
				chanspec = wl_chspec_driver_to_host(bi->chanspec);
				if (CHSPEC_IS5G(chanspec) &&
					((bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(chanspec))
					== af_params->channel)) {
					result = true;	/* do not block the action frame */
					break;
				}
			}
		}
	}
	else {
		result = true;
	}

	WL_DBG(("result=%s", result?"true":"false"));
	return result;
}
#endif /* WL11U */
static bool
wl_cfg80211_check_dwell_overflow(int32 requested_dwell, ulong dwell_jiffies)
{
	if ((requested_dwell & CUSTOM_RETRY_MASK) &&
			(jiffies_to_msecs(jiffies - dwell_jiffies) >
			 (requested_dwell & ~CUSTOM_RETRY_MASK))) {
		WL_ERR(("Action frame TX retry time over dwell time!\n"));
		return true;
	}
	return false;
}

static bool
wl_cfg80211_send_action_frame(struct wiphy *wiphy, struct net_device *dev,
	bcm_struct_cfgdev *cfgdev, wl_af_params_t *af_params,
	wl_action_frame_t *action_frame, u16 action_frame_len, s32 bssidx)
{
#ifdef WL11U
	struct net_device *ndev = NULL;
#endif /* WL11U */
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	bool ack = false;
	u8 category, action;
	s32 tx_retry;
	struct p2p_config_af_params config_af_params;
	struct net_info *netinfo;
#ifdef VSDB
	ulong off_chan_started_jiffies = 0;
#endif // endif
	ulong dwell_jiffies = 0;
	bool dwell_overflow = false;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);

	int32 requested_dwell = af_params->dwell_time;

	/* Add the default dwell time
	 * Dwell time to stay off-channel to wait for a response action frame
	 * after transmitting an GO Negotiation action frame
	 */
	af_params->dwell_time = WL_DWELL_TIME;

#ifdef WL11U
#if defined(WL_CFG80211_P2P_DEV_IF)
	ndev = dev;
#else
	ndev = ndev_to_cfgdev(cfgdev);
#endif /* WL_CFG80211_P2P_DEV_IF */
#endif /* WL11U */

	category = action_frame->data[DOT11_ACTION_CAT_OFF];
	action = action_frame->data[DOT11_ACTION_ACT_OFF];

	/* initialize variables */
	tx_retry = 0;
	cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID;
	config_af_params.max_tx_retry = WL_AF_TX_MAX_RETRY;
	config_af_params.search_channel = false;
#ifdef WL_CFG80211_GON_COLLISION
	config_af_params.drop_tx_req = false;
#endif // endif
#ifdef WL_CFG80211_SYNC_GON
	config_af_params.extra_listen = false;
#endif // endif

	/* config parameters */
	/* Public Action Frame Process - DOT11_ACTION_CAT_PUBLIC */
	if (category == DOT11_ACTION_CAT_PUBLIC) {
		if ((action == P2P_PUB_AF_ACTION) &&
			(action_frame_len >= sizeof(wifi_p2p_pub_act_frame_t))) {
			/* p2p public action frame process */
			if (BCME_OK != wl_cfg80211_config_p2p_pub_af_tx(wiphy,
				action_frame, af_params, &config_af_params)) {
				WL_DBG(("Unknown subtype.\n"));
			}

#ifdef WL_CFG80211_GON_COLLISION
			if (config_af_params.drop_tx_req) {
				if (cfg->block_gon_req_tx_count) {
					/* drop gon req tx action frame */
					WL_DBG(("Drop gon req tx action frame: count %d\n",
						cfg->block_gon_req_tx_count));
					goto exit;
				}
			}
#endif /* WL_CFG80211_GON_COLLISION */
		} else if (action_frame_len >= sizeof(wifi_p2psd_gas_pub_act_frame_t)) {
			/* service discovery process */
			if (action == P2PSD_ACTION_ID_GAS_IREQ ||
				action == P2PSD_ACTION_ID_GAS_CREQ) {
				/* configure service discovery query frame */

				config_af_params.search_channel = true;

				/* save next af suptype to cancel remained dwell time */
				cfg->next_af_subtype = action + 1;

				af_params->dwell_time = WL_MED_DWELL_TIME;
				if (requested_dwell & CUSTOM_RETRY_MASK) {
					config_af_params.max_tx_retry =
						(requested_dwell & CUSTOM_RETRY_MASK) >> 24;
					af_params->dwell_time =
						(requested_dwell & ~CUSTOM_RETRY_MASK);
					WL_DBG(("Custom retry(%d) and dwell time(%d) is set.\n",
						config_af_params.max_tx_retry,
						af_params->dwell_time));
				}
			} else if (action == P2PSD_ACTION_ID_GAS_IRESP ||
				action == P2PSD_ACTION_ID_GAS_CRESP) {
				/* configure service discovery response frame */
				af_params->dwell_time = WL_MIN_DWELL_TIME;
			} else {
				WL_DBG(("Unknown action type: %d\n", action));
			}
		} else {
			WL_DBG(("Unknown Frame: category 0x%x, action 0x%x, length %d\n",
				category, action, action_frame_len));
		}
	} else if (category == P2P_AF_CATEGORY) {
		/* do not configure anything. it will be sent with a default configuration */
	} else {
		WL_DBG(("Unknown Frame: category 0x%x, action 0x%x\n",
			category, action));
		if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
			wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev);
			return false;
		}
	}

	netinfo = wl_get_netinfo_by_wdev(cfg, cfgdev_to_wdev(cfgdev));
	/* validate channel and p2p ies */
	if (config_af_params.search_channel && IS_P2P_SOCIAL(af_params->channel) &&
		netinfo && netinfo->bss.ies.probe_req_ie_len) {
		config_af_params.search_channel = true;
	} else {
		config_af_params.search_channel = false;
	}
#ifdef WL11U
	if (ndev == bcmcfg_to_prmry_ndev(cfg))
		config_af_params.search_channel = false;
#endif /* WL11U */

#ifdef VSDB
	/* if connecting on primary iface, sleep for a while before sending af tx for VSDB */
	if (wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) {
		OSL_SLEEP(50);
	}
#endif // endif

	/* if scan is ongoing, abort current scan. */
	if (wl_get_drv_status_all(cfg, SCANNING)) {
		wl_cfg80211_cancel_scan(cfg);
	}

	/* Abort P2P listen */
	if (discover_cfgdev(cfgdev, cfg)) {
		if (cfg->p2p_supported && cfg->p2p) {
			wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0,
				wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE));
		}
	}

#ifdef WL11U
	/* handling DFS channel exceptions */
	if (!wl_cfg80211_check_DFS_channel(cfg, af_params, action_frame->data, action_frame->len)) {
		return false;	/* the action frame was blocked */
	}
#endif /* WL11U */

	/* set status and destination address before sending af */
	if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) {
		/* set this status to cancel the remained dwell time in rx process */
		wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev);
	}
	wl_set_drv_status(cfg, SENDING_ACT_FRM, dev);
	memcpy(cfg->afx_hdl->tx_dst_addr.octet,
		af_params->action_frame.da.octet,
		sizeof(cfg->afx_hdl->tx_dst_addr.octet));

	/* save af_params for rx process */
	cfg->afx_hdl->pending_tx_act_frm = af_params;

	if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len)) {
		WL_DBG(("Set GAS action frame config.\n"));
		config_af_params.search_channel = false;
		config_af_params.max_tx_retry = 1;
	}

	/* search peer's channel */
	if (config_af_params.search_channel) {
		/* initialize afx_hdl */
		if ((cfg->afx_hdl->bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
			WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
			goto exit;
		}
		cfg->afx_hdl->dev = dev;
		cfg->afx_hdl->retry = 0;
		cfg->afx_hdl->peer_chan = WL_INVALID;

		if (wl_cfg80211_af_searching_channel(cfg, dev) == WL_INVALID) {
			WL_ERR(("couldn't find peer's channel.\n"));
			wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len,
				af_params->channel);
			/* Even if we couldn't find peer channel, try to send the frame
			 * out. P2P cert 5.1.14 testbed device (realtek) doesn't seem to
			 * respond to probe request (Ideally it has to be in listen and
			 * responsd to probe request). However if we send Go neg req, the
			 * peer is sending GO-neg resp. So instead of giving up here, just
			 * proceed and attempt sending out the action frame.
			 */
		}

		wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
		/*
		 * Abort scan even for VSDB scenarios. Scan gets aborted in firmware
		 * but after the check of piggyback algorithm.
		 * To take care of current piggback algo, lets abort the scan here itself.
		 */
		wl_cfg80211_cancel_scan(cfg);
		/* Suspend P2P discovery's search-listen to prevent it from
		 * starting a scan or changing the channel.
		 */
		if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) {
			WL_ERR(("Can not disable discovery mode\n"));
			goto exit;
		}

		/* update channel */
		if (cfg->afx_hdl->peer_chan != WL_INVALID) {
			af_params->channel = cfg->afx_hdl->peer_chan;
			WL_ERR(("Attempt tx on peer listen channel:%d ",
				cfg->afx_hdl->peer_chan));
		} else {
			WL_ERR(("Attempt tx with the channel provided by userspace."
			"Channel: %d\n", af_params->channel));
		}
	}

#ifdef VSDB
	off_chan_started_jiffies = jiffies;
#endif /* VSDB */

	wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel);

	wl_cfgp2p_need_wait_actfrmae(cfg, action_frame->data, action_frame->len, true);

	dwell_jiffies = jiffies;
	/* Now send a tx action frame */
	ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ? false : true;
	dwell_overflow = wl_cfg80211_check_dwell_overflow(requested_dwell, dwell_jiffies);

	/* if failed, retry it. tx_retry_max value is configure by .... */
	while ((ack == false) && (tx_retry++ < config_af_params.max_tx_retry) &&
			!dwell_overflow) {
#ifdef VSDB
		if (af_params->channel) {
			if (jiffies_to_msecs(jiffies - off_chan_started_jiffies) >
				OFF_CHAN_TIME_THRESHOLD_MS) {
				WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg);
				off_chan_started_jiffies = jiffies;
			} else
				OSL_SLEEP(AF_RETRY_DELAY_TIME);
		}
#endif /* VSDB */
		ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ?
			false : true;
		dwell_overflow = wl_cfg80211_check_dwell_overflow(requested_dwell, dwell_jiffies);
	}

	if (ack == false) {
		WL_ERR(("Failed to send Action Frame(retry %d)\n", tx_retry));
	}
	WL_DBG(("Complete to send action frame\n"));
exit:
	/* Clear SENDING_ACT_FRM after all sending af is done */
	wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev);

#ifdef WL_CFG80211_SYNC_GON
	/* WAR: sometimes dongle does not keep the dwell time of 'actframe'.
	 * if we coundn't get the next action response frame and dongle does not keep
	 * the dwell time, go to listen state again to get next action response frame.
	 */
	if (ack && config_af_params.extra_listen &&
#ifdef WL_CFG80211_GON_COLLISION
		!cfg->block_gon_req_tx_count &&
#endif /* WL_CFG80211_GON_COLLISION */
		wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM) &&
		cfg->af_sent_channel == cfg->afx_hdl->my_listen_chan) {
		s32 extar_listen_time;

		extar_listen_time = af_params->dwell_time -
			jiffies_to_msecs(jiffies - cfg->af_tx_sent_jiffies);

		if (extar_listen_time > 50) {
			wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev);
			WL_DBG(("Wait more time! actual af time:%d,"
				"calculated extar listen:%d\n",
				af_params->dwell_time, extar_listen_time));
			if (wl_cfgp2p_discover_listen(cfg, cfg->af_sent_channel,
				extar_listen_time + 100) == BCME_OK) {
				wait_for_completion_timeout(&cfg->wait_next_af,
					msecs_to_jiffies(extar_listen_time + 100 + 300));
			}
			wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev);
		}
	}
#endif /* WL_CFG80211_SYNC_GON */
	wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev);

	cfg->afx_hdl->pending_tx_act_frm = NULL;

	if (ack) {
		WL_DBG(("-- Action Frame Tx succeeded, listen chan: %d\n",
			cfg->afx_hdl->my_listen_chan));
	} else {
		WL_ERR(("-- Action Frame Tx failed, listen chan: %d\n",
			cfg->afx_hdl->my_listen_chan));
	}

#ifdef WL_CFG80211_GON_COLLISION
	if (cfg->block_gon_req_tx_count) {
		cfg->block_gon_req_tx_count--;
		/* if ack is ture, supplicant will wait more time(100ms).
		 * so we will return it as a success to get more time .
		 */
		ack = true;
	}
#endif /* WL_CFG80211_GON_COLLISION */
	return ack;
}

#define MAX_NUM_OF_ASSOCIATED_DEV       64
static s32
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
	struct cfg80211_mgmt_tx_params *params, u64 *cookie)
#else
wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
	struct ieee80211_channel *channel, bool offchan,
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0))
	enum nl80211_channel_type channel_type,
	bool channel_type_valid,
#endif /* LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0) */
	unsigned int wait, const u8* buf, size_t len,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
	bool no_cck,
#endif // endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || defined(WL_COMPAT_WIRELESS)
	bool dont_wait_for_ack,
#endif // endif
	u64 *cookie)
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */
{
	wl_action_frame_t *action_frame;
	wl_af_params_t *af_params;
	scb_val_t scb_val;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	struct ieee80211_channel *channel = params->chan;
	const u8 *buf = params->buf;
	size_t len = params->len;
#endif // endif
	const struct ieee80211_mgmt *mgmt;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *dev = NULL;
	s32 err = BCME_OK;
	s32 bssidx = 0;
	u32 id;
	bool ack = false;
	s8 eabuf[ETHER_ADDR_STR_LEN];

	WL_DBG(("Enter \n"));

	if (len > ACTION_FRAME_SIZE) {
		WL_ERR(("bad length:%zu\n", len));
		return BCME_BADLEN;
	}
#ifdef DHD_IFDEBUG
	PRINT_WDEV_INFO(cfgdev);
#endif /* DHD_IFDEBUG */

	dev = cfgdev_to_wlc_ndev(cfgdev, cfg);

	if (!dev) {
		WL_ERR(("dev is NULL\n"));
		return -EINVAL;
	}

	/* set bsscfg idx for iovar (wlan0: P2PAPI_BSSCFG_PRIMARY, p2p: P2PAPI_BSSCFG_DEVICE)	*/
	if (discover_cfgdev(cfgdev, cfg)) {
		if (!cfg->p2p_supported || !cfg->p2p) {
			WL_ERR(("P2P doesn't setup completed yet\n"));
			return -EINVAL;
		}
		bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
	}
	else {
		if ((bssidx = wl_get_bssidx_by_wdev(cfg, cfgdev_to_wdev(cfgdev))) < 0) {
			WL_ERR(("Find p2p index failed\n"));
			return BCME_ERROR;
		}
	}

	WL_DBG(("TX target bssidx=%d\n", bssidx));

	if (p2p_is_on(cfg)) {
		/* Suspend P2P discovery search-listen to prevent it from changing the
		 * channel.
		 */
		if ((err = wl_cfgp2p_discover_enable_search(cfg, false)) < 0) {
			WL_ERR(("Can not disable discovery mode\n"));
			return -EFAULT;
		}
	}
	*cookie = 0;
	id = cfg->send_action_id++;
	if (id == 0)
		id = cfg->send_action_id++;
	*cookie = id;
	mgmt = (const struct ieee80211_mgmt *)buf;
	if (ieee80211_is_mgmt(mgmt->frame_control)) {
		if (ieee80211_is_probe_resp(mgmt->frame_control)) {
			s32 ie_offset =  DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
			s32 ie_len = len - ie_offset;
			if ((dev == bcmcfg_to_prmry_ndev(cfg)) && cfg->p2p) {
				bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
			}
			wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
				VNDR_IE_PRBRSP_FLAG, (const u8 *)(buf + ie_offset), ie_len);
			cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL);
#if defined(P2P_IE_MISSING_FIX)
			if (!cfg->p2p_prb_noti) {
				cfg->p2p_prb_noti = true;
				WL_DBG(("wl_cfg80211_mgmt_tx: TX 802_1X Probe"
					" Response first time.\n"));
			}
#endif // endif
			goto exit;
		} else if (ieee80211_is_disassoc(mgmt->frame_control) ||
			ieee80211_is_deauth(mgmt->frame_control)) {
			char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV *
				sizeof(struct ether_addr) + sizeof(uint)] = {0};
			int num_associated = 0;
			struct maclist *assoc_maclist = (struct maclist *)mac_buf;
			if (!bcmp((const uint8 *)BSSID_BROADCAST,
				(const struct ether_addr *)mgmt->da, ETHER_ADDR_LEN)) {
				assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV;
				err = wldev_ioctl_get(dev, WLC_GET_ASSOCLIST,
					assoc_maclist, sizeof(mac_buf));
				if (err < 0)
					WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err));
				else
					num_associated = assoc_maclist->count;
			}
			memcpy(scb_val.ea.octet, mgmt->da, ETH_ALEN);
			scb_val.val = mgmt->u.disassoc.reason_code;
			err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val,
				sizeof(scb_val_t));
			if (err < 0)
				WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON error %d\n", err));
			WL_ERR(("Disconnect STA : " MACDBG " scb_val.val %d\n",
				MAC2STRDBG(bcm_ether_ntoa((const struct ether_addr *)mgmt->da,
				eabuf)), scb_val.val));

			if (num_associated > 0 && ETHER_ISBCAST(mgmt->da))
				wl_delay(400);

			cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL);
			goto exit;

		} else if (ieee80211_is_action(mgmt->frame_control)) {
			/* Abort the dwell time of any previous off-channel
			* action frame that may be still in effect.  Sending
			* off-channel action frames relies on the driver's
			* scan engine.  If a previous off-channel action frame
			* tx is still in progress (including the dwell time),
			* then this new action frame will not be sent out.
			*/
/* Do not abort scan for VSDB. Scan will be aborted in firmware if necessary.
 * And previous off-channel action frame must be ended before new af tx.
 */
#ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
			wl_cfg80211_cancel_scan(cfg);
#endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
		}

	} else {
		WL_ERR(("Driver only allows MGMT packet type\n"));
		goto exit;
	}

	af_params = (wl_af_params_t *)MALLOCZ(cfg->osh, WL_WIFI_AF_PARAMS_SIZE);

	if (af_params == NULL)
	{
		WL_ERR(("unable to allocate frame\n"));
		return -ENOMEM;
	}

	action_frame = &af_params->action_frame;

	/* Add the packet Id */
	action_frame->packetId = *cookie;
	WL_DBG(("action frame %d\n", action_frame->packetId));
	/* Add BSSID */
	memcpy(&action_frame->da, &mgmt->da[0], ETHER_ADDR_LEN);
	memcpy(&af_params->BSSID, &mgmt->bssid[0], ETHER_ADDR_LEN);

	/* Add the length exepted for 802.11 header  */
	action_frame->len = len - DOT11_MGMT_HDR_LEN;
	WL_DBG(("action_frame->len: %d\n", action_frame->len));

	/* Add the channel */
	af_params->channel =
		ieee80211_frequency_to_channel(channel->center_freq);
	/* Save listen_chan for searching common channel */
	cfg->afx_hdl->peer_listen_chan = af_params->channel;
	WL_DBG(("channel from upper layer %d\n", cfg->afx_hdl->peer_listen_chan));

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	af_params->dwell_time = params->wait;
#else
	af_params->dwell_time = wait;
#endif // endif

	memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], action_frame->len);

	ack = wl_cfg80211_send_action_frame(wiphy, dev, cfgdev, af_params,
		action_frame, action_frame->len, bssidx);
	cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, ack, GFP_KERNEL);

	MFREE(cfg->osh, af_params, WL_WIFI_AF_PARAMS_SIZE);
exit:
	return err;
}

static void
wl_cfg80211_mgmt_frame_register(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
	u16 frame, bool reg)
{

	WL_DBG(("frame_type: %x, reg: %d\n", frame, reg));

	if (frame != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
		return;

	return;
}

static s32
wl_cfg80211_change_bss(struct wiphy *wiphy,
	struct net_device *dev,
	struct bss_parameters *params)
{
	s32 err = 0;
	s32 ap_isolate = 0;
#ifdef PCIE_FULL_DONGLE
	s32 ifidx = DHD_BAD_IF;
#endif // endif
#if defined(PCIE_FULL_DONGLE)
	dhd_pub_t *dhd;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	dhd = (dhd_pub_t *)(cfg->pub);
#if defined(WL_ENABLE_P2P_IF)
	if (cfg->p2p_net == dev)
		dev = bcmcfg_to_prmry_ndev(cfg);
#endif
#endif // endif

	if (params->use_cts_prot >= 0) {
	}

	if (params->use_short_preamble >= 0) {
	}

	if (params->use_short_slot_time >= 0) {
	}

	if (params->basic_rates) {
	}

	if (params->ap_isolate >= 0) {
		ap_isolate = params->ap_isolate;
#ifdef PCIE_FULL_DONGLE
		ifidx = dhd_net2idx(dhd->info, dev);

		if (ifidx != DHD_BAD_IF) {
			err = dhd_set_ap_isolate(dhd, ifidx, ap_isolate);
		} else {
			WL_ERR(("Failed to set ap_isolate\n"));
		}
#else
		err = wldev_iovar_setint(dev, "ap_isolate", ap_isolate);
		if (unlikely(err))
		{
			WL_ERR(("set ap_isolate Error (%d)\n", err));
		}
#endif /* PCIE_FULL_DONGLE */
	}

	if (params->ht_opmode >= 0) {
	}

	return err;
}

static int
wl_get_bandwidth_cap(struct net_device *ndev, uint32 band, uint32 *bandwidth)
{
	u32 bw = WL_CHANSPEC_BW_20;
	s32 err = BCME_OK;
	s32 bw_cap = 0;
	struct {
		u32 band;
		u32 bw_cap;
	} param = {0, 0};
	u8 ioctl_buf[WLC_IOCTL_SMLEN];

	if (band == IEEE80211_BAND_5GHZ) {
		param.band = WLC_BAND_5G;
		err = wldev_iovar_getbuf(ndev, "bw_cap", &param, sizeof(param),
			ioctl_buf, sizeof(ioctl_buf), NULL);
		if (err) {
			if (err != BCME_UNSUPPORTED) {
				WL_ERR(("bw_cap failed, %d\n", err));
				return err;
			} else {
				err = wldev_iovar_getint(ndev, "mimo_bw_cap", &bw_cap);
				if (err) {
					WL_ERR(("error get mimo_bw_cap (%d)\n", err));
				}
				if (bw_cap != WLC_N_BW_20ALL) {
					bw = WL_CHANSPEC_BW_40;
				}
			}
		} else {
			if (WL_BW_CAP_80MHZ(ioctl_buf[0])) {
				bw = WL_CHANSPEC_BW_80;
			} else if (WL_BW_CAP_40MHZ(ioctl_buf[0])) {
				bw = WL_CHANSPEC_BW_40;
			} else {
				bw = WL_CHANSPEC_BW_20;
			}
		}
	} else if (band == IEEE80211_BAND_2GHZ) {
		bw = WL_CHANSPEC_BW_20;
	}

	*bandwidth = bw;

	return err;
}

static s32
wl_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev,
	struct ieee80211_channel *chan,
	enum nl80211_channel_type channel_type)
{
	s32 _chan;
	chanspec_t chspec = 0;
	chanspec_t fw_chspec = 0;
	u32 bw = WL_CHANSPEC_BW_20;
	s32 err = BCME_OK;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
#if defined(CUSTOM_SET_CPUCORE) || defined(APSTA_RESTRICTED_CHANNEL) || defined(WL_EXT_IAPSTA)
	dhd_pub_t *dhd =  (dhd_pub_t *)(cfg->pub);
#endif /* CUSTOM_SET_CPUCORE || APSTA_RESTRICTED_CHANNEL */

	dev = ndev_to_wlc_ndev(dev, cfg);
	_chan = ieee80211_frequency_to_channel(chan->center_freq);
#ifdef WL_EXT_IAPSTA
	_chan = wl_ext_iapsta_update_channel(dhd, dev, _chan);
#endif
	WL_MSG(dev->name, "netdev_ifidx(%d), chan_type(%d) target channel(%d) \n",
		dev->ifindex, channel_type, _chan);

#ifdef NOT_YET
	switch (channel_type) {
		case NL80211_CHAN_HT40MINUS:
			/* secondary channel is below the control channel */
			chspec = CH40MHZ_CHSPEC(channel, WL_CHANSPEC_CTL_SB_UPPER);
			break;
		case NL80211_CHAN_HT40PLUS:
			/* secondary channel is above the control channel */
			chspec = CH40MHZ_CHSPEC(channel, WL_CHANSPEC_CTL_SB_LOWER);
			break;
		default:
			chspec = CH20MHZ_CHSPEC(channel);

	}
#endif /* NOT_YET */

#if defined(APSTA_RESTRICTED_CHANNEL)
	if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP &&
		DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) &&
		wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) {
		u32 *sta_chan = (u32 *)wl_read_prof(cfg,
			bcmcfg_to_prmry_ndev(cfg), WL_PROF_CHAN);
		u32 sta_band = (*sta_chan > CH_MAX_2G_CHANNEL) ?
			IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ;
		if (chan->band == sta_band) {
			/* Do not try SCC in 5GHz if channel is not CH149 */
			_chan = (sta_band == IEEE80211_BAND_5GHZ &&
				*sta_chan != DEFAULT_5G_SOFTAP_CHANNEL) ?
				DEFAULT_2G_SOFTAP_CHANNEL : *sta_chan;
			WL_ERR(("target channel will be changed to %d\n", _chan));
			if (_chan <= CH_MAX_2G_CHANNEL) {
				bw = WL_CHANSPEC_BW_20;
				goto set_channel;
			}
		}
	}
#endif /* APSTA_RESTRICTED_CHANNEL */

	err = wl_get_bandwidth_cap(dev, chan->band, &bw);
	if (err < 0) {
		WL_ERR(("Failed to get bandwidth information, err=%d\n", err));
		return err;
	}

set_channel:
	chspec = wf_channel2chspec(_chan, bw);
	if (wf_chspec_valid(chspec)) {
		fw_chspec = wl_chspec_host_to_driver(chspec);
		if (fw_chspec != INVCHANSPEC) {
			if ((err = wldev_iovar_setint(dev, "chanspec",
				fw_chspec)) == BCME_BADCHAN) {
				if (bw == WL_CHANSPEC_BW_80)
					goto change_bw;
				err = wldev_ioctl_set(dev, WLC_SET_CHANNEL,
					&_chan, sizeof(_chan));
				if (err < 0) {
					WL_ERR(("WLC_SET_CHANNEL error %d"
					"chip may not be supporting this channel\n", err));
				}
			} else if (err) {
				WL_ERR(("failed to set chanspec error %d\n", err));
			}
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
			else {
				/* Disable Frameburst only for stand-alone 2GHz SoftAP */
				if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP &&
					DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE) &&
					(_chan <= CH_MAX_2G_CHANNEL) &&
					!wl_get_drv_status(cfg, CONNECTED,
						bcmcfg_to_prmry_ndev(cfg))) {
					WL_DBG(("Disabling frameburst on "
						"stand-alone 2GHz SoftAP\n"));
					wl_cfg80211_set_frameburst(cfg, FALSE);
				}
			}
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
		} else {
			WL_ERR(("failed to convert host chanspec to fw chanspec\n"));
			err = BCME_ERROR;
		}
	} else {
change_bw:
		if (bw == WL_CHANSPEC_BW_80)
			bw = WL_CHANSPEC_BW_40;
		else if (bw == WL_CHANSPEC_BW_40)
			bw = WL_CHANSPEC_BW_20;
		else
			bw = 0;
		if (bw)
			goto set_channel;
		WL_ERR(("Invalid chanspec 0x%x\n", chspec));
		err = BCME_ERROR;
	}
#ifdef CUSTOM_SET_CPUCORE
	if (dhd->op_mode == DHD_FLAG_HOSTAP_MODE) {
		WL_DBG(("SoftAP mode do not need to set cpucore\n"));
	} else if (chspec & WL_CHANSPEC_BW_80) {
		/* SoftAp only mode do not need to set cpucore */
		if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) &&
			dev != bcmcfg_to_prmry_ndev(cfg)) {
			/* Soft AP on virtual Iface (AP+STA case) */
			dhd->chan_isvht80 |= DHD_FLAG_HOSTAP_MODE;
			dhd_set_cpucore(dhd, TRUE);
		} else if (is_p2p_group_iface(dev->ieee80211_ptr)) {
			/* If P2P IF is vht80 */
			dhd->chan_isvht80 |= DHD_FLAG_P2P_MODE;
			dhd_set_cpucore(dhd, TRUE);
		}
	}
#endif /* CUSTOM_SET_CPUCORE */
	if (!err && (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP)) {
		/* Update AP/GO operating channel */
		cfg->ap_oper_channel = ieee80211_frequency_to_channel(chan->center_freq);
	}
	if (err) {
		wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg),
			FW_LOGSET_MASK_ALL);
	}
	return err;
}

#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
struct net_device *
wl_cfg80211_get_remain_on_channel_ndev(struct bcm_cfg80211 *cfg)
{
	struct net_info *_net_info, *next;
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	list_for_each_entry_safe(_net_info, next, &cfg->net_list, list) {
		GCC_DIAGNOSTIC_POP();
		if (_net_info->ndev &&
			test_bit(WL_STATUS_REMAINING_ON_CHANNEL, &_net_info->sme_state))
			return _net_info->ndev;
	}

	return NULL;
}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */

static s32
wl_validate_opensecurity(struct net_device *dev, s32 bssidx, bool privacy)
{
	s32 err = BCME_OK;
	u32 wpa_val;
	s32 wsec = 0;

	/* set auth */
	err = wldev_iovar_setint_bsscfg(dev, "auth", 0, bssidx);
	if (err < 0) {
		WL_ERR(("auth error %d\n", err));
		return BCME_ERROR;
	}

	if (privacy) {
		/* If privacy bit is set in open mode, then WEP would be enabled */
		wsec = WEP_ENABLED;
		WL_DBG(("Setting wsec to %d for WEP \n", wsec));
	}

	/* set wsec */
	err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
	if (err < 0) {
		WL_ERR(("wsec error %d\n", err));
		return BCME_ERROR;
	}

	/* set upper-layer auth */
	if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC)
		wpa_val = WPA_AUTH_NONE;
	else
		wpa_val = WPA_AUTH_DISABLED;
	err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_val, bssidx);
	if (err < 0) {
		WL_ERR(("wpa_auth error %d\n", err));
		return BCME_ERROR;
	}

	return 0;
}

#define MAX_FILS_IND_IE_LEN 1024u
static s32
wl_validate_fils_ind_ie(struct net_device *dev, const bcm_tlv_t *filsindie, s32 bssidx)
{
	s32 err = BCME_OK;
	struct bcm_cfg80211 *cfg = NULL;
	bcm_iov_buf_t *iov_buf = NULL;
	bcm_xtlv_t* pxtlv;
	int iov_buf_size = 0;

	if (!dev || !filsindie) {
		WL_ERR(("%s: dev/filsidie is null\n", __FUNCTION__));
		goto exit;
	}

	cfg = wl_get_cfg(dev);
	if (!cfg) {
		WL_ERR(("%s: cfg is null\n", __FUNCTION__));
		goto exit;
	}

	iov_buf_size = sizeof(bcm_iov_buf_t) + sizeof(bcm_xtlv_t) + filsindie->len - 1;
	iov_buf = MALLOCZ(cfg->osh, iov_buf_size);
	if (!iov_buf) {
		WL_ERR(("%s: iov_buf alloc failed! %d bytes\n", __FUNCTION__, iov_buf_size));
		err = BCME_NOMEM;
		goto exit;
	}
	iov_buf->version = WL_FILS_IOV_VERSION;
	iov_buf->id = WL_FILS_CMD_ADD_IND_IE;
	iov_buf->len = sizeof(bcm_xtlv_t) + filsindie->len - 1;
	pxtlv = (bcm_xtlv_t*)&iov_buf->data[0];
	pxtlv->id = WL_FILS_XTLV_IND_IE;
	pxtlv->len = filsindie->len;
	/* memcpy_s return check not required as buffer is allocated based on ie
	 * len
	 */
	(void)memcpy_s(pxtlv->data, filsindie->len, filsindie->data, filsindie->len);

	err = wldev_iovar_setbuf(dev, "fils", iov_buf, iov_buf_size,
		cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		WL_ERR(("fils indication ioctl error (%d)\n", err));
		 goto exit;
	}

exit:
	if (err < 0) {
		WL_ERR(("FILS Ind setting error %d\n", err));
	}

	if (iov_buf) {
		MFREE(cfg->osh, iov_buf, iov_buf_size);
	}
	return err;
}

static s32
wl_validate_wpa2ie(struct net_device *dev, const bcm_tlv_t *wpa2ie, s32 bssidx)
{
	s32 len = 0;
	s32 err = BCME_OK;
	u16 auth = 0; /* d11 open authentication */
	u32 wsec;
	u32 pval = 0;
	u32 gval = 0;
	u32 wpa_auth = 0;
	const wpa_suite_mcast_t *mcast;
	const wpa_suite_ucast_t *ucast;
	const wpa_suite_auth_key_mgmt_t *mgmt;
	const wpa_pmkid_list_t *pmkid;
	int cnt = 0;
#ifdef MFP
	int mfp = 0;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
#endif /* MFP */

	u16 suite_count;
	u8 rsn_cap[2];
	u32 wme_bss_disable;

	if (wpa2ie == NULL)
		goto exit;

	WL_DBG(("Enter \n"));
	len =  wpa2ie->len - WPA2_VERSION_LEN;
	/* check the mcast cipher */
	mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN];
	switch (mcast->type) {
		case WPA_CIPHER_NONE:
			gval = 0;
			break;
		case WPA_CIPHER_WEP_40:
		case WPA_CIPHER_WEP_104:
			gval = WEP_ENABLED;
			break;
		case WPA_CIPHER_TKIP:
			gval = TKIP_ENABLED;
			break;
		case WPA_CIPHER_AES_CCM:
			gval = AES_ENABLED;
			break;
#ifdef BCMWAPI_WPI
		case WAPI_CIPHER_SMS4:
			gval = SMS4_ENABLED;
			break;
#endif // endif
		default:
			WL_ERR(("No Security Info\n"));
			break;
	}
	if ((len -= WPA_SUITE_LEN) <= 0)
		return BCME_BADLEN;

	/* check the unicast cipher */
	ucast = (const wpa_suite_ucast_t *)&mcast[1];
	suite_count = ltoh16_ua(&ucast->count);
	switch (ucast->list[0].type) {
		case WPA_CIPHER_NONE:
			pval = 0;
			break;
		case WPA_CIPHER_WEP_40:
		case WPA_CIPHER_WEP_104:
			pval = WEP_ENABLED;
			break;
		case WPA_CIPHER_TKIP:
			pval = TKIP_ENABLED;
			break;
		case WPA_CIPHER_AES_CCM:
			pval = AES_ENABLED;
			break;
#ifdef BCMWAPI_WPI
		case WAPI_CIPHER_SMS4:
			pval = SMS4_ENABLED;
			break;
#endif // endif
		default:
			WL_ERR(("No Security Info\n"));
	}
	if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0)
		return BCME_BADLEN;

	/* FOR WPS , set SEC_OW_ENABLED */
	wsec = (pval | gval | SES_OW_ENABLED);
	/* check the AKM */
	mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count];
	suite_count = cnt = ltoh16_ua(&mgmt->count);
	while (cnt--) {
		switch (mgmt->list[cnt].type) {
		case RSN_AKM_NONE:
			wpa_auth |= WPA_AUTH_NONE;
			break;
		case RSN_AKM_UNSPECIFIED:
			wpa_auth |= WPA2_AUTH_UNSPECIFIED;
			break;
		case RSN_AKM_PSK:
			wpa_auth |= WPA2_AUTH_PSK;
			break;
#ifdef MFP
		case RSN_AKM_MFP_PSK:
			wpa_auth |= WPA2_AUTH_PSK_SHA256;
			break;
		case RSN_AKM_MFP_1X:
			wpa_auth |= WPA2_AUTH_1X_SHA256;
			break;
		case RSN_AKM_FILS_SHA256:
			wpa_auth |= WPA2_AUTH_FILS_SHA256;
			break;
		case RSN_AKM_FILS_SHA384:
			wpa_auth |= WPA2_AUTH_FILS_SHA384;
			break;
#ifdef WL_SAE
		case RSN_AKM_SAE_PSK:
			wpa_auth |= WPA3_AUTH_SAE_PSK;
			break;
#endif /* WL_SAE */
#endif /* MFP */
		default:
			WL_ERR(("No Key Mgmt Info\n"));
		}
	}

	if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) {
		rsn_cap[0] = *(const u8 *)&mgmt->list[suite_count];
		rsn_cap[1] = *((const u8 *)&mgmt->list[suite_count] + 1);

		if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) {
			wme_bss_disable = 0;
		} else {
			wme_bss_disable = 1;
		}

#ifdef MFP
	if (rsn_cap[0] & RSN_CAP_MFPR) {
		WL_DBG(("MFP Required \n"));
		mfp = WL_MFP_REQUIRED;
		/* Our firmware has requirement that WPA2_AUTH_PSK/WPA2_AUTH_UNSPECIFIED
		 * be set, if SHA256 OUI is to be included in the rsn ie.
		 */
		if (wpa_auth & WPA2_AUTH_PSK_SHA256) {
			wpa_auth |= WPA2_AUTH_PSK;
		} else if (wpa_auth & WPA2_AUTH_1X_SHA256) {
			wpa_auth |= WPA2_AUTH_UNSPECIFIED;
		}
	} else if (rsn_cap[0] & RSN_CAP_MFPC) {
		WL_DBG(("MFP Capable \n"));
		mfp = WL_MFP_CAPABLE;
	}
#endif /* MFP */

		/* set wme_bss_disable to sync RSN Capabilities */
		err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx);
		if (err < 0) {
			WL_ERR(("wme_bss_disable error %d\n", err));
			return BCME_ERROR;
		}
	} else {
		WL_DBG(("There is no RSN Capabilities. remained len %d\n", len));
	}

	len -= RSN_CAP_LEN;
	if (len >= WPA2_PMKID_COUNT_LEN) {
		pmkid = (const wpa_pmkid_list_t *)
		        ((const u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN);
		cnt = ltoh16_ua(&pmkid->count);
		if (cnt != 0) {
			WL_ERR(("AP has non-zero PMKID count. Wrong!\n"));
			return BCME_ERROR;
		}
		/* since PMKID cnt is known to be 0 for AP, */
		/* so don't bother to send down this info to firmware */
	}

#ifdef MFP
	len -= WPA2_PMKID_COUNT_LEN;
	if (len >= WPA_SUITE_LEN) {
		cfg->bip_pos =
		        (const u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN + WPA2_PMKID_COUNT_LEN;
	} else {
		cfg->bip_pos = NULL;
	}
#endif // endif

	/* set auth */
	err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx);
	if (err < 0) {
		WL_ERR(("auth error %d\n", err));
		return BCME_ERROR;
	}

	/* set wsec */
	err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
	if (err < 0) {
		WL_ERR(("wsec error %d\n", err));
		return BCME_ERROR;
	}

#ifdef MFP
	cfg->mfp_mode = mfp;
#endif /* MFP */

	/* set upper-layer auth */
	err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx);
	if (err < 0) {
		WL_ERR(("wpa_auth error %d\n", err));
		return BCME_ERROR;
	}
exit:
	return 0;
}

static s32
wl_validate_wpaie(struct net_device *dev, const wpa_ie_fixed_t *wpaie, s32 bssidx)
{
	const wpa_suite_mcast_t *mcast;
	const wpa_suite_ucast_t *ucast;
	const wpa_suite_auth_key_mgmt_t *mgmt;
	u16 auth = 0; /* d11 open authentication */
	u16 count;
	s32 err = BCME_OK;
	s32 len = 0;
	u32 i;
	u32 wsec;
	u32 pval = 0;
	u32 gval = 0;
	u32 wpa_auth = 0;
	u32 tmp = 0;

	if (wpaie == NULL)
		goto exit;
	WL_DBG(("Enter \n"));
	len = wpaie->length;    /* value length */
	len -= WPA_IE_TAG_FIXED_LEN;
	/* check for multicast cipher suite */
	if (len < WPA_SUITE_LEN) {
		WL_INFORM_MEM(("no multicast cipher suite\n"));
		goto exit;
	}

	/* pick up multicast cipher */
	mcast = (const wpa_suite_mcast_t *)&wpaie[1];
	len -= WPA_SUITE_LEN;
	if (!bcmp(mcast->oui, WPA_OUI, WPA_OUI_LEN)) {
		if (IS_WPA_CIPHER(mcast->type)) {
			tmp = 0;
			switch (mcast->type) {
				case WPA_CIPHER_NONE:
					tmp = 0;
					break;
				case WPA_CIPHER_WEP_40:
				case WPA_CIPHER_WEP_104:
					tmp = WEP_ENABLED;
					break;
				case WPA_CIPHER_TKIP:
					tmp = TKIP_ENABLED;
					break;
				case WPA_CIPHER_AES_CCM:
					tmp = AES_ENABLED;
					break;
				default:
					WL_ERR(("No Security Info\n"));
			}
			gval |= tmp;
		}
	}
	/* Check for unicast suite(s) */
	if (len < WPA_IE_SUITE_COUNT_LEN) {
		WL_INFORM_MEM(("no unicast suite\n"));
		goto exit;
	}
	/* walk thru unicast cipher list and pick up what we recognize */
	ucast = (const wpa_suite_ucast_t *)&mcast[1];
	count = ltoh16_ua(&ucast->count);
	len -= WPA_IE_SUITE_COUNT_LEN;
	for (i = 0; i < count && len >= WPA_SUITE_LEN;
		i++, len -= WPA_SUITE_LEN) {
		if (!bcmp(ucast->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
			if (IS_WPA_CIPHER(ucast->list[i].type)) {
				tmp = 0;
				switch (ucast->list[i].type) {
					case WPA_CIPHER_NONE:
						tmp = 0;
						break;
					case WPA_CIPHER_WEP_40:
					case WPA_CIPHER_WEP_104:
						tmp = WEP_ENABLED;
						break;
					case WPA_CIPHER_TKIP:
						tmp = TKIP_ENABLED;
						break;
					case WPA_CIPHER_AES_CCM:
						tmp = AES_ENABLED;
						break;
					default:
						WL_ERR(("No Security Info\n"));
				}
				pval |= tmp;
			}
		}
	}
	len -= (count - i) * WPA_SUITE_LEN;
	/* Check for auth key management suite(s) */
	if (len < WPA_IE_SUITE_COUNT_LEN) {
		WL_INFORM_MEM((" no auth key mgmt suite\n"));
		goto exit;
	}
	/* walk thru auth management suite list and pick up what we recognize */
	mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[count];
	count = ltoh16_ua(&mgmt->count);
	len -= WPA_IE_SUITE_COUNT_LEN;
	for (i = 0; i < count && len >= WPA_SUITE_LEN;
		i++, len -= WPA_SUITE_LEN) {
		if (!bcmp(mgmt->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
			if (IS_WPA_AKM(mgmt->list[i].type)) {
				tmp = 0;
				switch (mgmt->list[i].type) {
					case RSN_AKM_NONE:
						tmp = WPA_AUTH_NONE;
						break;
					case RSN_AKM_UNSPECIFIED:
						tmp = WPA_AUTH_UNSPECIFIED;
						break;
					case RSN_AKM_PSK:
						tmp = WPA_AUTH_PSK;
						break;
					default:
						WL_ERR(("No Key Mgmt Info\n"));
				}
				wpa_auth |= tmp;
			}
		}

	}
	/* FOR WPS , set SEC_OW_ENABLED */
	wsec = (pval | gval | SES_OW_ENABLED);
	/* set auth */
	err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx);
	if (err < 0) {
		WL_ERR(("auth error %d\n", err));
		return BCME_ERROR;
	}
	/* set wsec */
	err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
	if (err < 0) {
		WL_ERR(("wsec error %d\n", err));
		return BCME_ERROR;
	}
	/* set upper-layer auth */
	err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx);
	if (err < 0) {
		WL_ERR(("wpa_auth error %d\n", err));
		return BCME_ERROR;
	}
exit:
	return 0;
}

#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
static u32 wl_get_cipher_type(uint8 type)
{
	u32 ret = 0;
	switch (type) {
		case WPA_CIPHER_NONE:
			ret = 0;
			break;
		case WPA_CIPHER_WEP_40:
		case WPA_CIPHER_WEP_104:
			ret = WEP_ENABLED;
			break;
		case WPA_CIPHER_TKIP:
			ret = TKIP_ENABLED;
			break;
		case WPA_CIPHER_AES_CCM:
			ret = AES_ENABLED;
			break;
#ifdef BCMWAPI_WPI
		case WAPI_CIPHER_SMS4:
			ret = SMS4_ENABLED;
			break;
#endif // endif
		default:
			WL_ERR(("No Security Info\n"));
	}
	return ret;
}

static u32 wl_get_suite_auth_key_mgmt_type(uint8 type, const wpa_suite_mcast_t *mcast)
{
	u32 ret = 0;
	u32 is_wpa2 = 0;

	if (!bcmp(mcast->oui, WPA2_OUI, WPA2_OUI_LEN)) {
		is_wpa2 = 1;
	}

	WL_INFORM_MEM(("%s, type = %d\n", is_wpa2 ? "WPA2":"WPA", type));
	switch (type) {
		case RSN_AKM_NONE:
			/* For WPA and WPA2, AUTH_NONE is common */
			ret = WPA_AUTH_NONE;
			break;
		case RSN_AKM_UNSPECIFIED:
			if (is_wpa2) {
				ret = WPA2_AUTH_UNSPECIFIED;
			} else {
				ret = WPA_AUTH_UNSPECIFIED;
			}
			break;
		case RSN_AKM_PSK:
			if (is_wpa2) {
				ret = WPA2_AUTH_PSK;
			} else {
				ret = WPA_AUTH_PSK;
			}
			break;
#ifdef WL_SAE
		case RSN_AKM_SAE_PSK:
			ret = WPA3_AUTH_SAE_PSK;
			break;
#endif /* WL_SAE */
		default:
			WL_ERR(("No Key Mgmt Info\n"));
	}

	return ret;
}

static s32
wl_validate_wpaie_wpa2ie(struct net_device *dev, const wpa_ie_fixed_t *wpaie,
	const bcm_tlv_t *wpa2ie, s32 bssidx)
{
	const wpa_suite_mcast_t *mcast;
	const wpa_suite_ucast_t *ucast;
	const wpa_suite_auth_key_mgmt_t *mgmt;
	u16 auth = 0; /* d11 open authentication */
	u16 count;
	s32 err = BCME_OK;
	u32 wme_bss_disable;
	u16 suite_count;
	u8 rsn_cap[2];
	s32 len = 0;
	u32 i;
	u32 wsec1, wsec2, wsec;
	u32 pval = 0;
	u32 gval = 0;
	u32 wpa_auth = 0;
	u32 wpa_auth1 = 0;
	u32 wpa_auth2 = 0;

	if (wpaie == NULL || wpa2ie == NULL)
		goto exit;

	WL_DBG(("Enter \n"));
	len = wpaie->length;    /* value length */
	len -= WPA_IE_TAG_FIXED_LEN;
	/* check for multicast cipher suite */
	if (len < WPA_SUITE_LEN) {
		WL_INFORM_MEM(("no multicast cipher suite\n"));
		goto exit;
	}

	/* pick up multicast cipher */
	mcast = (const wpa_suite_mcast_t *)&wpaie[1];
	len -= WPA_SUITE_LEN;
	if (!bcmp(mcast->oui, WPA_OUI, WPA_OUI_LEN)) {
		if (IS_WPA_CIPHER(mcast->type)) {
			gval |= wl_get_cipher_type(mcast->type);
		}
	}
	WL_DBG(("\nwpa ie validate\n"));
	WL_DBG(("wpa ie mcast cipher = 0x%X\n", gval));

	/* Check for unicast suite(s) */
	if (len < WPA_IE_SUITE_COUNT_LEN) {
		WL_INFORM_MEM(("no unicast suite\n"));
		goto exit;
	}

	/* walk thru unicast cipher list and pick up what we recognize */
	ucast = (const wpa_suite_ucast_t *)&mcast[1];
	count = ltoh16_ua(&ucast->count);
	len -= WPA_IE_SUITE_COUNT_LEN;
	for (i = 0; i < count && len >= WPA_SUITE_LEN;
		i++, len -= WPA_SUITE_LEN) {
		if (!bcmp(ucast->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
			if (IS_WPA_CIPHER(ucast->list[i].type)) {
				pval |= wl_get_cipher_type(ucast->list[i].type);
			}
		}
	}
	WL_ERR(("wpa ie ucast count =%d, cipher = 0x%X\n", count, pval));

	/* FOR WPS , set SEC_OW_ENABLED */
	wsec1 = (pval | gval | SES_OW_ENABLED);
	WL_ERR(("wpa ie wsec = 0x%X\n", wsec1));

	len -= (count - i) * WPA_SUITE_LEN;
	/* Check for auth key management suite(s) */
	if (len < WPA_IE_SUITE_COUNT_LEN) {
		WL_INFORM_MEM((" no auth key mgmt suite\n"));
		goto exit;
	}
	/* walk thru auth management suite list and pick up what we recognize */
	mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[count];
	count = ltoh16_ua(&mgmt->count);
	len -= WPA_IE_SUITE_COUNT_LEN;
	for (i = 0; i < count && len >= WPA_SUITE_LEN;
		i++, len -= WPA_SUITE_LEN) {
		if (!bcmp(mgmt->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
			if (IS_WPA_AKM(mgmt->list[i].type)) {
				wpa_auth1 |=
					wl_get_suite_auth_key_mgmt_type(mgmt->list[i].type, mcast);
			}
		}

	}
	WL_ERR(("wpa ie wpa_suite_auth_key_mgmt count=%d, key_mgmt = 0x%X\n", count, wpa_auth1));
	WL_ERR(("\nwpa2 ie validate\n"));

	pval = 0;
	gval = 0;
	len =  wpa2ie->len;
	/* check the mcast cipher */
	mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN];
	gval = wl_get_cipher_type(mcast->type);

	WL_ERR(("wpa2 ie mcast cipher = 0x%X\n", gval));
	if ((len -= WPA_SUITE_LEN) <= 0)
	{
		WL_ERR(("P:wpa2 ie len[%d]", len));
		return BCME_BADLEN;
	}

	/* check the unicast cipher */
	ucast = (const wpa_suite_ucast_t *)&mcast[1];
	suite_count = ltoh16_ua(&ucast->count);
	WL_ERR((" WPA2 ucast cipher count=%d\n", suite_count));
	pval |= wl_get_cipher_type(ucast->list[0].type);

	if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0)
		return BCME_BADLEN;

	WL_ERR(("wpa2 ie ucast cipher = 0x%X\n", pval));

	/* FOR WPS , set SEC_OW_ENABLED */
	wsec2 = (pval | gval | SES_OW_ENABLED);
	WL_ERR(("wpa2 ie wsec = 0x%X\n", wsec2));

	/* check the AKM */
	mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count];
	suite_count = ltoh16_ua(&mgmt->count);
	wpa_auth2 = wl_get_suite_auth_key_mgmt_type(mgmt->list[0].type, mcast);
	WL_ERR(("wpa ie wpa_suite_auth_key_mgmt count=%d, key_mgmt = 0x%X\n", count, wpa_auth2));

	if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) {
		rsn_cap[0] = *(const u8 *)&mgmt->list[suite_count];
		rsn_cap[1] = *((const u8 *)&mgmt->list[suite_count] + 1);
		if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) {
			wme_bss_disable = 0;
		} else {
			wme_bss_disable = 1;
		}
		WL_DBG(("P:rsn_cap[0]=[0x%X]:wme_bss_disabled[%d]\n", rsn_cap[0], wme_bss_disable));

		/* set wme_bss_disable to sync RSN Capabilities */
		err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx);
		if (err < 0) {
			WL_ERR(("wme_bss_disable error %d\n", err));
			return BCME_ERROR;
		}
	} else {
		WL_DBG(("There is no RSN Capabilities. remained len %d\n", len));
	}

	wsec = (wsec1 | wsec2);
	wpa_auth = (wpa_auth1 | wpa_auth2);
	WL_ERR(("wpa_wpa2 wsec=0x%X wpa_auth=0x%X\n", wsec, wpa_auth));

	/* set auth */
	err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx);
	if (err < 0) {
		WL_ERR(("auth error %d\n", err));
		return BCME_ERROR;
	}
	/* set wsec */
	err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
	if (err < 0) {
		WL_ERR(("wsec error %d\n", err));
		return BCME_ERROR;
	}
	/* set upper-layer auth */
	err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx);
	if (err < 0) {
		WL_ERR(("wpa_auth error %d\n", err));
		return BCME_ERROR;
	}
exit:
	return 0;
}
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */

static s32
wl_cfg80211_bcn_validate_sec(
	struct net_device *dev,
	struct parsed_ies *ies,
	u32 dev_role,
	s32 bssidx,
	bool privacy)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	wl_cfgbss_t *bss = wl_get_cfgbss_by_wdev(cfg, dev->ieee80211_ptr);

	if (!bss) {
		WL_ERR(("cfgbss is NULL \n"));
		return BCME_ERROR;
	}

	if (dev_role == NL80211_IFTYPE_P2P_GO && (ies->wpa2_ie)) {
		/* For P2P GO, the sec type is WPA2-PSK */
		WL_DBG(("P2P GO: validating wpa2_ie"));
		if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx)  < 0)
			return BCME_ERROR;

	} else if (dev_role == NL80211_IFTYPE_AP) {

		WL_DBG(("SoftAP: validating security"));
		/* If wpa2_ie or wpa_ie is present validate it */

#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
		if ((ies->wpa_ie != NULL && ies->wpa2_ie != NULL)) {
			if (wl_validate_wpaie_wpa2ie(dev, ies->wpa_ie, ies->wpa2_ie, bssidx)  < 0) {
				bss->security_mode = false;
				return BCME_ERROR;
			}
		}
		else {
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */
		if ((ies->wpa2_ie || ies->wpa_ie) &&
			((wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx)  < 0 ||
			wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0))) {
			bss->security_mode = false;
			return BCME_ERROR;
		}

		if (ies->fils_ind_ie &&
			(wl_validate_fils_ind_ie(dev, ies->fils_ind_ie, bssidx)  < 0)) {
			bss->security_mode = false;
			return BCME_ERROR;
		}

		bss->security_mode = true;
		if (bss->rsn_ie) {
			MFREE(cfg->osh, bss->rsn_ie, bss->rsn_ie[1]
				+ WPA_RSN_IE_TAG_FIXED_LEN);
			bss->rsn_ie = NULL;
		}
		if (bss->wpa_ie) {
			MFREE(cfg->osh, bss->wpa_ie, bss->wpa_ie[1]
				+ WPA_RSN_IE_TAG_FIXED_LEN);
			bss->wpa_ie = NULL;
		}
		if (bss->wps_ie) {
			MFREE(cfg->osh, bss->wps_ie, bss->wps_ie[1] + 2);
			bss->wps_ie = NULL;
		}
		if (bss->fils_ind_ie) {
			MFREE(cfg->osh, bss->fils_ind_ie, bss->fils_ind_ie[1]
				+ FILS_INDICATION_IE_TAG_FIXED_LEN);
			bss->fils_ind_ie = NULL;
		}
		if (ies->wpa_ie != NULL) {
			/* WPAIE */
			bss->rsn_ie = NULL;
			bss->wpa_ie = MALLOCZ(cfg->osh,
					ies->wpa_ie->length
					+ WPA_RSN_IE_TAG_FIXED_LEN);
			if (bss->wpa_ie) {
				memcpy(bss->wpa_ie, ies->wpa_ie,
					ies->wpa_ie->length
					+ WPA_RSN_IE_TAG_FIXED_LEN);
			}
		} else if (ies->wpa2_ie != NULL) {
			/* RSNIE */
			bss->wpa_ie = NULL;
			bss->rsn_ie = MALLOCZ(cfg->osh,
					ies->wpa2_ie->len
					+ WPA_RSN_IE_TAG_FIXED_LEN);
			if (bss->rsn_ie) {
				memcpy(bss->rsn_ie, ies->wpa2_ie,
					ies->wpa2_ie->len
					+ WPA_RSN_IE_TAG_FIXED_LEN);
			}
		}
#ifdef WL_FILS
		if (ies->fils_ind_ie) {
			bss->fils_ind_ie = MALLOCZ(cfg->osh,
					ies->fils_ind_ie->len
					+ FILS_INDICATION_IE_TAG_FIXED_LEN);
			if (bss->fils_ind_ie) {
				memcpy(bss->fils_ind_ie, ies->fils_ind_ie,
					ies->fils_ind_ie->len
					+ FILS_INDICATION_IE_TAG_FIXED_LEN);
			}
		}
#endif /* WL_FILS */
#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
		}
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */
		if (!ies->wpa2_ie && !ies->wpa_ie) {
			wl_validate_opensecurity(dev, bssidx, privacy);
			bss->security_mode = false;
		}

		if (ies->wps_ie) {
			bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len);
			if (bss->wps_ie) {
				memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len);
			}
		}
	}

	return 0;

}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
static s32 wl_cfg80211_bcn_set_params(
	struct cfg80211_ap_settings *info,
	struct net_device *dev,
	u32 dev_role, s32 bssidx)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	s32 err = BCME_OK;

	WL_DBG(("interval (%d) \ndtim_period (%d) \n",
		info->beacon_interval, info->dtim_period));

	if (info->beacon_interval) {
		if ((err = wldev_ioctl_set(dev, WLC_SET_BCNPRD,
			&info->beacon_interval, sizeof(s32))) < 0) {
			WL_ERR(("Beacon Interval Set Error, %d\n", err));
			return err;
		}
	}

	if (info->dtim_period) {
		if ((err = wldev_ioctl_set(dev, WLC_SET_DTIMPRD,
			&info->dtim_period, sizeof(s32))) < 0) {
			WL_ERR(("DTIM Interval Set Error, %d\n", err));
			return err;
		}
	}

	if ((info->ssid) && (info->ssid_len > 0) &&
		(info->ssid_len <= DOT11_MAX_SSID_LEN)) {
		WL_DBG(("SSID (%s) len:%zd \n", info->ssid, info->ssid_len));
		if (dev_role == NL80211_IFTYPE_AP) {
			/* Store the hostapd SSID */
			bzero(cfg->hostapd_ssid.SSID, DOT11_MAX_SSID_LEN);
			memcpy(cfg->hostapd_ssid.SSID, info->ssid, info->ssid_len);
			cfg->hostapd_ssid.SSID_len = (uint32)info->ssid_len;
		} else {
				/* P2P GO */
			bzero(cfg->p2p->ssid.SSID, DOT11_MAX_SSID_LEN);
			memcpy(cfg->p2p->ssid.SSID, info->ssid, info->ssid_len);
			cfg->p2p->ssid.SSID_len = (uint32)info->ssid_len;
		}
	}

	return err;
}
#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */

static s32
wl_cfg80211_parse_ies(const u8 *ptr, u32 len, struct parsed_ies *ies)
{
	s32 err = BCME_OK;

	bzero(ies, sizeof(struct parsed_ies));

	/* find the WPSIE */
	if ((ies->wps_ie = wl_cfgp2p_find_wpsie(ptr, len)) != NULL) {
		WL_DBG(("WPSIE in beacon \n"));
		ies->wps_ie_len = ies->wps_ie->length + WPA_RSN_IE_TAG_FIXED_LEN;
	} else {
		WL_ERR(("No WPSIE in beacon \n"));
	}

	/* find the RSN_IE */
	if ((ies->wpa2_ie = bcm_parse_tlvs(ptr, len,
		DOT11_MNG_RSN_ID)) != NULL) {
		WL_DBG((" WPA2 IE found\n"));
		ies->wpa2_ie_len = ies->wpa2_ie->len;
	}

	/* find the FILS_IND_IE */
	if ((ies->fils_ind_ie = bcm_parse_tlvs(ptr, len,
		DOT11_MNG_FILS_IND_ID)) != NULL) {
		WL_DBG((" FILS IND IE found\n"));
		ies->fils_ind_ie_len = ies->fils_ind_ie->len;
	}

	/* find the WPA_IE */
	if ((ies->wpa_ie = wl_cfgp2p_find_wpaie(ptr, len)) != NULL) {
		WL_DBG((" WPA found\n"));
		ies->wpa_ie_len = ies->wpa_ie->length;
	}

	return err;

}

static s32
wl_cfg80211_set_ap_role(
	struct bcm_cfg80211 *cfg,
	struct net_device *dev)
{
	s32 err = BCME_OK;
	s32 infra = 1;
	s32 ap = 0;
	s32 pm;
	s32 bssidx;
	s32 apsta = 0;
	bool legacy_chip;

	legacy_chip = wl_legacy_chip_check(cfg);

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return -EINVAL;
	}

	WL_INFORM_MEM(("[%s] Bringup SoftAP on bssidx:%d \n", dev->name, bssidx));

	if (bssidx != 0 || !legacy_chip) {
		if ((err = wl_cfg80211_add_del_bss(cfg, dev, bssidx,
				WL_IF_TYPE_AP, 0, NULL)) < 0) {
			WL_ERR(("wl add_del_bss returned error:%d\n", err));
			return err;
		}
	}

	/*
	 * For older chips, "bss" iovar does not support
	 * bsscfg role change/upgradation, and still
	 * return BCME_OK on attempt
	 * Hence, below traditional way to handle the same
	 */

	if ((err = wldev_ioctl_get(dev,
			WLC_GET_AP, &ap, sizeof(s32))) < 0) {
		WL_ERR(("Getting AP mode failed %d \n", err));
		return err;
	}

	if (!ap) {
#ifdef WLEASYMESH
		WL_ERR(("ap should not be 0\n"));
#endif
		/* AP mode switch not supported. Try setting up AP explicitly */
		err = wldev_iovar_getint(dev, "apsta", (s32 *)&apsta);
		if (unlikely(err)) {
			WL_ERR(("Could not get apsta %d\n", err));
			return err;
		}
		if (apsta == 0) {
#ifdef WLEASYMESH
			WL_ERR(("apsta should not be 0\n"));
#endif
			/* If apsta is not set, set it */

			/* Check for any connected interfaces before wl down */
			if (wl_get_drv_status_all(cfg, CONNECTED) > 0) {
				WL_ERR(("Concurrent i/f operational. can't do wl down"));
				return BCME_ERROR;
			}
			err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32));
			if (err < 0) {
				WL_ERR(("WLC_DOWN error %d\n", err));
				return err;
			}
			err = wldev_iovar_setint(dev, "apsta", 0);
			if (err < 0) {
				WL_ERR(("wl apsta 0 error %d\n", err));
				return err;
			}
			ap = 1;
			if ((err = wldev_ioctl_set(dev,
					WLC_SET_AP, &ap, sizeof(s32))) < 0) {
				WL_ERR(("setting AP mode failed %d \n", err));
				return err;
			}
		}
	} else if (bssidx == 0 && legacy_chip) {
		err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32));
		if (err < 0) {
			WL_ERR(("WLC_DOWN error %d\n", err));
			return err;
		}
		err = wldev_iovar_setint(dev, "apsta", 0);
		if (err < 0) {
			WL_ERR(("wl apsta 0 error %d\n", err));
			return err;
		}
		ap = 1;
		if ((err = wldev_ioctl_set(dev, WLC_SET_AP, &ap, sizeof(s32))) < 0) {
			WL_ERR(("setting AP mode failed %d \n", err));
			return err;
		}
	}

	if (bssidx == 0) {
		pm = 0;
		if ((err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm))) != 0) {
			WL_ERR(("wl PM 0 returned error:%d\n", err));
			/* Ignore error, if any */
			err = BCME_OK;
		}
		err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32));
		if (err < 0) {
			WL_ERR(("SET INFRA error %d\n", err));
			return err;
		}
	}

	/* On success, mark AP creation in progress. */
	wl_set_drv_status(cfg, AP_CREATING, dev);
	return 0;
}

/* In RSDB downgrade cases, the link up event can get delayed upto 7-8 secs */
#define MAX_AP_LINK_WAIT_TIME   10000
static s32
wl_cfg80211_bcn_bringup_ap(
	struct net_device *dev,
	struct parsed_ies *ies,
	u32 dev_role, s32 bssidx)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct wl_join_params join_params;
	bool is_bssup = false;
	s32 infra = 1;
	s32 join_params_size = 0;
	s32 ap = 1;
	s32 wsec;
#ifdef DISABLE_11H_SOFTAP
	s32 spect = 0;
#endif /* DISABLE_11H_SOFTAP */
#ifdef SOFTAP_UAPSD_OFF
	uint32 wme_apsd = 0;
#endif /* SOFTAP_UAPSD_OFF */
	s32 err = BCME_OK;
	s32 is_rsdb_supported = BCME_ERROR;
	long timeout;
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
	char sec[32];

	is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE);
	if (is_rsdb_supported < 0)
		return (-ENODEV);

	WL_DBG(("Enter dev_role:%d bssidx:%d ifname:%s\n", dev_role, bssidx, dev->name));

	/* Common code for SoftAP and P2P GO */
	wl_clr_drv_status(cfg, AP_CREATED, dev);

	/* Make sure INFRA is set for AP/GO */
	err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32));
	if (err < 0) {
		WL_ERR(("SET INFRA error %d\n", err));
		goto exit;
	}

	/* Do abort scan before creating GO */
	wl_cfg80211_scan_abort(cfg);

	wl_ext_get_sec(dev, 0, sec, sizeof(sec));
	WL_MSG(dev->name, "Creating AP/GO with sec=%s\n", sec);
	if (dev_role == NL80211_IFTYPE_P2P_GO) {
		is_bssup = wl_cfg80211_bss_isup(dev, bssidx);
		if (!is_bssup && (ies->wpa2_ie != NULL)) {

			err = wldev_iovar_setbuf_bsscfg(dev, "ssid", &cfg->p2p->ssid,
				sizeof(cfg->p2p->ssid), cfg->ioctl_buf, WLC_IOCTL_MAXLEN,
				bssidx, &cfg->ioctl_buf_sync);
			if (err < 0) {
				WL_ERR(("GO SSID setting error %d\n", err));
				goto exit;
			}

			if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 1)) < 0) {
				WL_ERR(("GO Bring up error %d\n", err));
				goto exit;
			}
		} else
			WL_DBG(("Bss is already up\n"));
	} else if (dev_role == NL80211_IFTYPE_AP) {

//		if (!wl_get_drv_status(cfg, AP_CREATING, dev)) {
			/* Make sure fw is in proper state */
			err = wl_cfg80211_set_ap_role(cfg, dev);
			if (unlikely(err)) {
				WL_ERR(("set ap role failed!\n"));
				goto exit;
			}
//		}

		/* Device role SoftAP */
		WL_DBG(("Creating AP bssidx:%d dev_role:%d\n", bssidx, dev_role));
		/* Clear the status bit after use */
		wl_clr_drv_status(cfg, AP_CREATING, dev);

#ifdef DISABLE_11H_SOFTAP
		if (is_rsdb_supported == 0) {
			err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32));
			if (err < 0) {
				WL_ERR(("WLC_DOWN error %d\n", err));
				goto exit;
			}
		}
		err = wldev_ioctl_set(dev, WLC_SET_SPECT_MANAGMENT,
			&spect, sizeof(s32));
		if (err < 0) {
			WL_ERR(("SET SPECT_MANAGMENT error %d\n", err));
			goto exit;
		}
#endif /* DISABLE_11H_SOFTAP */

#ifdef WL_DISABLE_HE_SOFTAP
		err = wl_cfg80211_set_he_mode(dev, cfg, bssidx, WL_IF_TYPE_AP, FALSE);
		if (err < 0) {
			WL_ERR(("failed to set he features, error=%d\n", err));
		}
#endif /* WL_DISABLE_HE_SOFTAP */

#ifdef SOFTAP_UAPSD_OFF
		err = wldev_iovar_setbuf_bsscfg(dev, "wme_apsd", &wme_apsd, sizeof(wme_apsd),
			cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync);
		if (err < 0) {
			WL_ERR(("failed to disable uapsd, error=%d\n", err));
		}
#endif /* SOFTAP_UAPSD_OFF */

		err = wldev_ioctl_set(dev, WLC_UP, &ap, sizeof(s32));
		if (unlikely(err)) {
			WL_ERR(("WLC_UP error (%d)\n", err));
			goto exit;
		}

#ifdef MFP
		if (cfg->bip_pos) {
			err = wldev_iovar_setbuf_bsscfg(dev, "bip",
				(const void *)(cfg->bip_pos), WPA_SUITE_LEN, cfg->ioctl_buf,
				WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync);
			if (err < 0) {
				WL_ERR(("bip set error %d\n", err));
				{
					goto exit;
				}
			}
		}
#endif /* MFP */

		err = wldev_iovar_getint(dev, "wsec", (s32 *)&wsec);
		if (unlikely(err)) {
			WL_ERR(("Could not get wsec %d\n", err));
			goto exit;
		}
		if (dhdp->conf->chip == BCM43430_CHIP_ID && bssidx > 0 && wsec >= 2) {
			wsec |= 0x8; // terence 20180628: fix me, this is a workaround
			err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
			if (err < 0) {
				WL_ERR(("wsec error %d\n", err));
				goto exit;
			}
		}
		if ((wsec == WEP_ENABLED) && cfg->wep_key.len) {
			WL_DBG(("Applying buffered WEP KEY \n"));
			err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &cfg->wep_key,
				sizeof(struct wl_wsec_key), cfg->ioctl_buf,
				WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
			/* clear the key after use */
			bzero(&cfg->wep_key, sizeof(struct wl_wsec_key));
			if (unlikely(err)) {
				WL_ERR(("WLC_SET_KEY error (%d)\n", err));
				goto exit;
			}
		}

#ifdef MFP
		if (cfg->mfp_mode) {
			/* This needs to go after wsec otherwise the wsec command will
			 * overwrite the values set by MFP
			 */
			err = wldev_iovar_setint_bsscfg(dev, "mfp", cfg->mfp_mode, bssidx);
			if (err < 0) {
				WL_ERR(("MFP Setting failed. ret = %d \n", err));
				/* If fw doesn't support mfp, Ignore the error */
				if (err != BCME_UNSUPPORTED) {
					goto exit;
				}
			}
		}
#endif /* MFP */

		bzero(&join_params, sizeof(join_params));
		/* join parameters starts with ssid */
		join_params_size = sizeof(join_params.ssid);
		join_params.ssid.SSID_len = MIN(cfg->hostapd_ssid.SSID_len,
			(uint32)DOT11_MAX_SSID_LEN);
		memcpy(join_params.ssid.SSID, cfg->hostapd_ssid.SSID,
			join_params.ssid.SSID_len);
		join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len);

		/* create softap */
		if ((err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params,
			join_params_size)) != 0) {
			WL_ERR(("SoftAP/GO set ssid failed! \n"));
			goto exit;
		} else {
			WL_DBG((" SoftAP SSID \"%s\" \n", join_params.ssid.SSID));
		}

		if (bssidx != 0) {
			/* AP on Virtual Interface */
			if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 1)) < 0) {
				WL_ERR(("AP Bring up error %d\n", err));
				goto exit;
			}
		}

	} else {
		WL_ERR(("Wrong interface type %d\n", dev_role));
		goto exit;
	}

	/* Wait for Linkup event to mark successful AP/GO bring up */
	timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
		wl_get_drv_status(cfg, AP_CREATED, dev), msecs_to_jiffies(MAX_AP_LINK_WAIT_TIME));
	if (timeout <= 0 || !wl_get_drv_status(cfg, AP_CREATED, dev)) {
		WL_ERR(("Link up didn't come for AP interface. AP/GO creation failed! \n"));
		if (timeout == -ERESTARTSYS) {
			WL_ERR(("waitqueue was interrupted by a signal, returns -ERESTARTSYS\n"));
			err = -ERESTARTSYS;
			goto exit;
		}
		if (dhd_query_bus_erros(dhdp)) {
			err = -ENODEV;
			goto exit;
		}
		dhdp->iface_op_failed = TRUE;
#if defined(DHD_DEBUG) && defined(DHD_FW_COREDUMP)
		if (dhdp->memdump_enabled) {
			dhdp->memdump_type = DUMP_TYPE_AP_LINKUP_FAILURE;
			dhd_bus_mem_dump(dhdp);
		}
#endif /* DHD_DEBUG && DHD_FW_COREDUMP */
		err = -ENODEV;
		goto exit;
	}
	SUPP_LOG(("AP/GO Link up\n"));

exit:
	if (cfg->wep_key.len) {
		bzero(&cfg->wep_key, sizeof(struct wl_wsec_key));
	}

#ifdef MFP
	if (cfg->mfp_mode) {
		cfg->mfp_mode = 0;
	}

	if (cfg->bip_pos) {
		cfg->bip_pos = NULL;
	}
#endif /* MFP */

	if (err) {
		SUPP_LOG(("AP/GO bring up fail. err:%d\n", err));
	}
	return err;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
s32
wl_cfg80211_parse_ap_ies(
	struct net_device *dev,
	struct cfg80211_beacon_data *info,
	struct parsed_ies *ies)
{
	struct parsed_ies prb_ies;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	const u8 *vndr = NULL;
	u32 vndr_ie_len = 0;
	s32 err = BCME_OK;

	/* Parse Beacon IEs */
	if (wl_cfg80211_parse_ies((const u8 *)info->tail,
		info->tail_len, ies) < 0) {
		WL_ERR(("Beacon get IEs failed \n"));
		err = -EINVAL;
		goto fail;
	}

	vndr = (const u8 *)info->proberesp_ies;
	vndr_ie_len = (uint32)info->proberesp_ies_len;

	if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
		/* SoftAP mode */
		const struct ieee80211_mgmt *mgmt;
		mgmt = (const struct ieee80211_mgmt *)info->probe_resp;
		if (mgmt != NULL) {
			vndr = (const u8 *)&mgmt->u.probe_resp.variable;
			vndr_ie_len = (uint32)(info->probe_resp_len -
				offsetof(const struct ieee80211_mgmt, u.probe_resp.variable));
		}
	}
	/* Parse Probe Response IEs */
	if (wl_cfg80211_parse_ies((const u8 *)vndr, vndr_ie_len, &prb_ies) < 0) {
		WL_ERR(("PROBE RESP get IEs failed \n"));
		err = -EINVAL;
	}
fail:

	return err;
}

s32
wl_cfg80211_set_ies(
	struct net_device *dev,
	struct cfg80211_beacon_data *info,
	s32 bssidx)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	const u8 *vndr = NULL;
	u32 vndr_ie_len = 0;
	s32 err = BCME_OK;

	/* Set Beacon IEs to FW */
	if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
		VNDR_IE_BEACON_FLAG, (const u8 *)info->tail,
		info->tail_len)) < 0) {
		WL_ERR(("Set Beacon IE Failed \n"));
	} else {
		WL_DBG(("Applied Vndr IEs for Beacon \n"));
	}

	vndr = (const u8 *)info->proberesp_ies;
	vndr_ie_len = (uint32)info->proberesp_ies_len;

	if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
		/* SoftAP mode */
		const struct ieee80211_mgmt *mgmt;
		mgmt = (const struct ieee80211_mgmt *)info->probe_resp;
		if (mgmt != NULL) {
			vndr = (const u8 *)&mgmt->u.probe_resp.variable;
			vndr_ie_len = (uint32)(info->probe_resp_len -
				offsetof(struct ieee80211_mgmt, u.probe_resp.variable));
		}
	}

	/* Set Probe Response IEs to FW */
	if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
		VNDR_IE_PRBRSP_FLAG, vndr, vndr_ie_len)) < 0) {
		WL_ERR(("Set Probe Resp IE Failed \n"));
	} else {
		WL_DBG(("Applied Vndr IEs for Probe Resp \n"));
	}

	return err;
}
#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */

static s32 wl_cfg80211_hostapd_sec(
	struct net_device *dev,
	struct parsed_ies *ies,
	s32 bssidx)
{
	bool update_bss = 0;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	wl_cfgbss_t *bss = wl_get_cfgbss_by_wdev(cfg, dev->ieee80211_ptr);

	if (!bss) {
		WL_ERR(("cfgbss is NULL \n"));
		return -EINVAL;
	}

	if (ies->wps_ie) {
		if (bss->wps_ie &&
			memcmp(bss->wps_ie, ies->wps_ie, ies->wps_ie_len)) {
			WL_DBG((" WPS IE is changed\n"));
			MFREE(cfg->osh, bss->wps_ie, bss->wps_ie[1] + 2);
			bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len);
			if (bss->wps_ie) {
				memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len);
			}
		} else if (bss->wps_ie == NULL) {
			WL_DBG((" WPS IE is added\n"));
			bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len);
			if (bss->wps_ie) {
				memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len);
			}
		}

#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
		if (ies->wpa_ie != NULL && ies->wpa2_ie != NULL) {
			WL_ERR(("update bss - wpa_ie and  wpa2_ie is not null\n"));
			if (!bss->security_mode) {
				/* change from open mode to security mode */
				update_bss = true;
				bss->wpa_ie = MALLOCZ(cfg->osh,
					ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
				if (bss->wpa_ie) {
					memcpy(bss->wpa_ie, ies->wpa_ie,
						ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
				}
				bss->rsn_ie = MALLOCZ(cfg->osh,
						ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
				if (bss->rsn_ie) {
					memcpy(bss->rsn_ie, ies->wpa2_ie,
						ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
				}
			} else {
				/* change from (WPA or WPA2 or WPA/WPA2) to WPA/WPA2 mixed mode */
				if (bss->wpa_ie) {
					if (memcmp(bss->wpa_ie,
					ies->wpa_ie, ies->wpa_ie->length +
					WPA_RSN_IE_TAG_FIXED_LEN)) {
						MFREE(cfg->osh, bss->wpa_ie,
							bss->wpa_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
						update_bss = true;
						bss->wpa_ie = MALLOCZ(cfg->osh,
							ies->wpa_ie->length
							+ WPA_RSN_IE_TAG_FIXED_LEN);
						if (bss->wpa_ie) {
							memcpy(bss->wpa_ie, ies->wpa_ie,
								ies->wpa_ie->length
								+ WPA_RSN_IE_TAG_FIXED_LEN);
						}
					}
				}
				else {
					update_bss = true;
					bss->wpa_ie = MALLOCZ(cfg->osh,
						ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
					if (bss->wpa_ie) {
						memcpy(bss->wpa_ie, ies->wpa_ie,
							ies->wpa_ie->length
							+ WPA_RSN_IE_TAG_FIXED_LEN);
					}
				}
				if (bss->rsn_ie) {
					if (memcmp(bss->rsn_ie,
					ies->wpa2_ie,
					ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN)) {
						update_bss = true;
						MFREE(cfg->osh, bss->rsn_ie,
							bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
						bss->rsn_ie = MALLOCZ(cfg->osh,
							ies->wpa2_ie->len
							+ WPA_RSN_IE_TAG_FIXED_LEN);
						if (bss->rsn_ie) {
							memcpy(bss->rsn_ie, ies->wpa2_ie,
								ies->wpa2_ie->len
								+ WPA_RSN_IE_TAG_FIXED_LEN);
						}
					}
				}
				else {
					update_bss = true;
					bss->rsn_ie = MALLOCZ(cfg->osh,
						ies->wpa2_ie->len
						+ WPA_RSN_IE_TAG_FIXED_LEN);
					if (bss->rsn_ie) {
						memcpy(bss->rsn_ie, ies->wpa2_ie,
							ies->wpa2_ie->len
							+ WPA_RSN_IE_TAG_FIXED_LEN);
					}
				}
			}
			WL_ERR(("update_bss=%d\n", update_bss));
			if (update_bss) {
				bss->security_mode = true;
				wl_cfg80211_bss_up(cfg, dev, bssidx, 0);
				if (wl_validate_wpaie_wpa2ie(dev, ies->wpa_ie,
					ies->wpa2_ie, bssidx)  < 0) {
					return BCME_ERROR;
				}
				wl_cfg80211_bss_up(cfg, dev, bssidx, 1);
			}

		}
		else
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */
		if ((ies->wpa_ie != NULL || ies->wpa2_ie != NULL)) {
			if (!bss->security_mode) {
				/* change from open mode to security mode */
				update_bss = true;
				if (ies->wpa_ie != NULL) {
					bss->wpa_ie = MALLOCZ(cfg->osh,
						ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
					if (bss->wpa_ie) {
						memcpy(bss->wpa_ie,
							ies->wpa_ie,
							ies->wpa_ie->length
							+ WPA_RSN_IE_TAG_FIXED_LEN);
					}
				} else {
					bss->rsn_ie = MALLOCZ(cfg->osh,
						ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
					if (bss->rsn_ie) {
						memcpy(bss->rsn_ie,
							ies->wpa2_ie,
							ies->wpa2_ie->len
							+ WPA_RSN_IE_TAG_FIXED_LEN);
					}
				}
			} else if (bss->wpa_ie) {
				/* change from WPA2 mode to WPA mode */
				if (ies->wpa_ie != NULL) {
					update_bss = true;
					MFREE(cfg->osh, bss->rsn_ie,
						bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
					bss->rsn_ie = NULL;
					bss->wpa_ie = MALLOCZ(cfg->osh,
						ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
					if (bss->wpa_ie) {
						memcpy(bss->wpa_ie,
							ies->wpa_ie,
							ies->wpa_ie->length
							+ WPA_RSN_IE_TAG_FIXED_LEN);
					}
				} else if (memcmp(bss->rsn_ie,
					ies->wpa2_ie, ies->wpa2_ie->len
					+ WPA_RSN_IE_TAG_FIXED_LEN)) {
					update_bss = true;
					MFREE(cfg->osh, bss->rsn_ie,
						bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
					bss->rsn_ie = MALLOCZ(cfg->osh,
						ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
					if (bss->rsn_ie) {
						memcpy(bss->rsn_ie,
							ies->wpa2_ie,
							ies->wpa2_ie->len
							+ WPA_RSN_IE_TAG_FIXED_LEN);
					}
					bss->wpa_ie = NULL;
				}
			}
			if (update_bss) {
				bss->security_mode = true;
				wl_cfg80211_bss_up(cfg, dev, bssidx, 0);
				if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx)  < 0 ||
					wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0) {
					return BCME_ERROR;
				}
				wl_cfg80211_bss_up(cfg, dev, bssidx, 1);
			}
		}
	} else {
		WL_ERR(("No WPSIE in beacon \n"));
	}
	return 0;
}

static s32
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
	2, 0))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
wl_cfg80211_del_station(
		struct wiphy *wiphy, struct net_device *ndev,
		struct station_del_parameters *params)
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
wl_cfg80211_del_station(
	struct wiphy *wiphy,
	struct net_device *ndev,
	const u8* mac_addr)
#else
wl_cfg80211_del_station(
	struct wiphy *wiphy,
	struct net_device *ndev,
	u8* mac_addr)
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */
{
	struct net_device *dev;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	scb_val_t scb_val;
	s8 eabuf[ETHER_ADDR_STR_LEN];
	int err;
	char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV *
		sizeof(struct ether_addr) + sizeof(uint)] = {0};
	struct maclist *assoc_maclist = (struct maclist *)mac_buf;
	int num_associated = 0;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
	const u8 *mac_addr = params->mac;
#ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE
	u16 rc = params->reason_code;
#endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */

	WL_DBG(("Entry\n"));
	if (mac_addr == NULL) {
		WL_DBG(("mac_addr is NULL ignore it\n"));
		return 0;
	}

	dev = ndev_to_wlc_ndev(ndev, cfg);

	if (p2p_is_on(cfg)) {
		/* Suspend P2P discovery search-listen to prevent it from changing the
		 * channel.
		 */
		if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) {
			WL_ERR(("Can not disable discovery mode\n"));
			return -EFAULT;
		}
	}
	err = wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS,
		WL_EXT_STATUS_DELETE_STA, (void *)mac_addr);
	if (err) {
		return 0;
	}

	assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV;
	err = wldev_ioctl_get(ndev, WLC_GET_ASSOCLIST,
		assoc_maclist, sizeof(mac_buf));
	if (err < 0)
		WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err));
	else
		num_associated = assoc_maclist->count;

	memcpy(scb_val.ea.octet, mac_addr, ETHER_ADDR_LEN);
#ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
	if (rc == DOT11_RC_8021X_AUTH_FAIL) {
		WL_ERR(("deauth will be sent at F/W\n"));
		scb_val.val = DOT11_RC_8021X_AUTH_FAIL;
	} else {
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */
#endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */

#ifdef WL_WPS_SYNC
		if (wl_wps_session_update(ndev,
			WPS_STATE_DISCONNECT_CLIENT, mac_addr) == BCME_UNSUPPORTED) {
			/* Ignore disconnect command from upper layer */
			WL_INFORM_MEM(("[WPS] Ignore client disconnect.\n"));
		} else
#endif /* WL_WPS_SYNC */
		{

			/* need to guarantee EAP-Failure send out before deauth */
			dhd_wait_pend8021x(dev);
			scb_val.val = DOT11_RC_DEAUTH_LEAVING;
			err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val,
				sizeof(scb_val_t));
			if (err < 0) {
				WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err));
			}
			WL_MSG(dev->name, "Disconnect STA : " MACDBG " scb_val.val %d\n",
				MAC2STRDBG(bcm_ether_ntoa((const struct ether_addr *)mac_addr,
				eabuf)), scb_val.val);
		}
#ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
	}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */
#endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */

	if (num_associated > 0 && ETHER_ISBCAST(mac_addr))
		wl_delay(400);

	return 0;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32
wl_cfg80211_change_station(
	struct wiphy *wiphy,
	struct net_device *dev,
	const u8 *mac,
	struct station_parameters *params)
#else
static s32
wl_cfg80211_change_station(
	struct wiphy *wiphy,
	struct net_device *dev,
	u8 *mac,
	struct station_parameters *params)
#endif // endif
{
	int err = BCME_OK;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *ndev = ndev_to_wlc_ndev(dev, cfg);

	WL_DBG(("SCB_AUTHORIZE mac_addr:"MACDBG" sta_flags_mask:0x%x "
				"sta_flags_set:0x%x iface:%s \n", MAC2STRDBG(mac),
				params->sta_flags_mask, params->sta_flags_set, ndev->name));

	if ((wl_get_mode_by_netdev(cfg, dev) == WL_MODE_BSS) &&
		!(wl_get_drv_status(cfg, CONNECTED, dev))) {
		/* Return error indicating not in connected state */
		WL_ERR(("Ignore SCB_AUTHORIZE/DEAUTHORIZE in non connected state\n"));
		return -ENOTSUPP;
	}

	/* Processing only authorize/de-authorize flag for now */
	if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) {
		WL_ERR(("WLC_SCB_AUTHORIZE sta_flags_mask not set \n"));
		return -ENOTSUPP;
	}

	if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))) {
		err = wldev_ioctl_set(ndev, WLC_SCB_DEAUTHORIZE, mac, ETH_ALEN);
		if (unlikely(err)) {
			WL_ERR(("WLC_SCB_DEAUTHORIZE error (%d)\n", err));
		} else {
			WL_INFORM_MEM(("[%s] WLC_SCB_DEAUTHORIZE " MACDBG "\n",
				ndev->name, MAC2STRDBG(mac)));
		}
		return err;
	}

	err = wldev_ioctl_set(ndev, WLC_SCB_AUTHORIZE, mac, ETH_ALEN);
	if (unlikely(err)) {
		WL_ERR(("WLC_SCB_AUTHORIZE error (%d)\n", err));
	} else {
		WL_INFORM_MEM(("[%s] WLC_SCB_AUTHORIZE " MACDBG "\n",
			ndev->name, MAC2STRDBG(mac)));
#ifdef WL_WPS_SYNC
		wl_wps_session_update(ndev, WPS_STATE_AUTHORIZE, mac);
#endif /* WL_WPS_SYNC */
	}
#ifdef DHD_LOSSLESS_ROAMING
	wl_del_roam_timeout(cfg);
#endif // endif

	return err;
}
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */

static s32
wl_cfg80211_set_scb_timings(
	struct bcm_cfg80211 *cfg,
	struct net_device *dev)
{
	int err;
	u32 ps_pretend;
	wl_scb_probe_t scb_probe;
	u32 ps_pretend_retries;

	bzero(&scb_probe, sizeof(wl_scb_probe_t));
	scb_probe.scb_timeout = WL_SCB_TIMEOUT;
	scb_probe.scb_activity_time = WL_SCB_ACTIVITY_TIME;
	scb_probe.scb_max_probe = WL_SCB_MAX_PROBE;
	err = wldev_iovar_setbuf(dev, "scb_probe", (void *)&scb_probe,
		sizeof(wl_scb_probe_t), cfg->ioctl_buf, WLC_IOCTL_SMLEN,
		&cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		WL_ERR(("set 'scb_probe' failed, error = %d\n", err));
		return err;
	}

	ps_pretend_retries = WL_PSPRETEND_RETRY_LIMIT;
	err = wldev_iovar_setint(dev, "pspretend_retry_limit", ps_pretend_retries);
	if (unlikely(err)) {
		if (err == BCME_UNSUPPORTED) {
			/* Ignore error if fw doesn't support the iovar */
			WL_DBG(("set 'pspretend_retry_limit %d' failed, error = %d\n",
				ps_pretend_retries, err));
		} else {
			WL_ERR(("set 'pspretend_retry_limit %d' failed, error = %d\n",
				ps_pretend_retries, err));
			return err;
		}
	}

	ps_pretend = MAX(WL_SCB_MAX_PROBE / 2, WL_MIN_PSPRETEND_THRESHOLD);
	err = wldev_iovar_setint(dev, "pspretend_threshold", ps_pretend);
	if (unlikely(err)) {
		if (err == BCME_UNSUPPORTED) {
			/* Ignore error if fw doesn't support the iovar */
			WL_DBG(("wl pspretend_threshold %d set error %d\n",
				ps_pretend, err));
		} else {
			WL_ERR(("wl pspretend_threshold %d set error %d\n",
				ps_pretend, err));
			return err;
		}
	}

	return 0;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
static s32
wl_cfg80211_start_ap(
	struct wiphy *wiphy,
	struct net_device *dev,
	struct cfg80211_ap_settings *info)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = BCME_OK;
	struct parsed_ies ies;
	s32 bssidx = 0;
	u32 dev_role = 0;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);

	WL_DBG(("Enter \n"));

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (p2p_is_on(cfg) && (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO)) {
		dev_role = NL80211_IFTYPE_P2P_GO;
	} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
		dev_role = NL80211_IFTYPE_AP;
		dhd->op_mode |= DHD_FLAG_HOSTAP_MODE;
		err = dhd_ndo_enable(dhd, FALSE);
		WL_DBG(("Disabling NDO on Hostapd mode %d\n", err));
		if (err) {
			WL_ERR(("Disabling NDO Failed %d\n", err));
		}
#ifdef PKT_FILTER_SUPPORT
		/* Disable packet filter */
		if (dhd->early_suspended) {
			WL_ERR(("Disable pkt_filter\n"));
			dhd_enable_packet_filter(0, dhd);
#ifdef APF
			dhd_dev_apf_disable_filter(dhd_linux_get_primary_netdev(dhd));
#endif /* APF */
		}
#endif /* PKT_FILTER_SUPPORT */
#ifdef ARP_OFFLOAD_SUPPORT
		/* IF SoftAP is enabled, disable arpoe */
		if (dhd->op_mode & DHD_FLAG_STA_MODE) {
			dhd_arp_offload_set(dhd, 0);
			dhd_arp_offload_enable(dhd, FALSE);
		}
#endif /* ARP_OFFLOAD_SUPPORT */
	} else {
		/* only AP or GO role need to be handled here. */
		err = -EINVAL;
		goto fail;
	}

	/* disable TDLS */
#ifdef WLTDLS
	if (bssidx == 0) {
		/* Disable TDLS for primary Iface. For virtual interface,
		 * tdls disable will happen from interface create context
		 */
		wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_CREATE, false);
	}
#endif /*  WLTDLS */

	if (!check_dev_role_integrity(cfg, dev_role)) {
		err = -EINVAL;
		goto fail;
	}

#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) && !defined(WL_COMPAT_WIRELESS))
	if ((err = wl_cfg80211_set_channel(wiphy, dev,
		dev->ieee80211_ptr->preset_chandef.chan,
		NL80211_CHAN_HT20) < 0)) {
		WL_ERR(("Set channel failed \n"));
		goto fail;
	}
#endif /* ((LINUX_VERSION >= VERSION(3, 6, 0) && !WL_COMPAT_WIRELESS) */

	if ((err = wl_cfg80211_bcn_set_params(info, dev,
		dev_role, bssidx)) < 0) {
		WL_ERR(("Beacon params set failed \n"));
		goto fail;
	}

	/* Parse IEs */
	if ((err = wl_cfg80211_parse_ap_ies(dev, &info->beacon, &ies)) < 0) {
		WL_ERR(("Set IEs failed \n"));
		goto fail;
	}

	if ((err = wl_cfg80211_bcn_validate_sec(dev, &ies,
		dev_role, bssidx, info->privacy)) < 0)
	{
		WL_ERR(("Beacon set security failed \n"));
		goto fail;
	}

	if ((err = wl_cfg80211_bcn_bringup_ap(dev, &ies,
		dev_role, bssidx)) < 0) {
		WL_ERR(("Beacon bring up AP/GO failed \n"));
		goto fail;
	}

	/* Set GC/STA SCB expiry timings. */
	if ((err = wl_cfg80211_set_scb_timings(cfg, dev))) {
		WL_ERR(("scb setting failed \n"));
//		goto fail;
	}

	wl_set_drv_status(cfg, CONNECTED, dev);
	WL_DBG(("** AP/GO Created **\n"));

#ifdef WL_CFG80211_ACL
	/* Enfoce Admission Control. */
	if ((err = wl_cfg80211_set_mac_acl(wiphy, dev, info->acl)) < 0) {
		WL_ERR(("Set ACL failed\n"));
	}
#endif /* WL_CFG80211_ACL */

	/* Set IEs to FW */
	if ((err = wl_cfg80211_set_ies(dev, &info->beacon, bssidx)) < 0)
		WL_ERR(("Set IEs failed \n"));
	
#ifdef WLDWDS
	if (dev->ieee80211_ptr->use_4addr) {
		if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
				VNDR_IE_ASSOCRSP_FLAG, (const u8 *)info->beacon.assocresp_ies,
				info->beacon.assocresp_ies_len)) < 0) {
			WL_ERR(("Set ASSOC RESP IE Failed\n"));
		}
	}
#endif /* WLDWDS */

	/* Enable Probe Req filter, WPS-AP certification 4.2.13 */
	if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) {
		bool pbc = 0;
		wl_validate_wps_ie((const char *) ies.wps_ie, ies.wps_ie_len, &pbc);
		if (pbc) {
			WL_DBG(("set WLC_E_PROBREQ_MSG\n"));
			wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true);
		}
	}

	/* Configure hidden SSID */
	if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) {
		if ((err = wldev_iovar_setint(dev, "closednet", 1)) < 0)
			WL_ERR(("failed to set hidden : %d\n", err));
		WL_DBG(("hidden_ssid_enum_val: %d \n", info->hidden_ssid));
	}

#ifdef SUPPORT_AP_RADIO_PWRSAVE
	if (dev_role == NL80211_IFTYPE_AP) {
		if (!wl_set_ap_rps(dev, FALSE, dev->name)) {
			wl_cfg80211_init_ap_rps(cfg);
		} else {
			WL_ERR(("Set rpsnoa failed \n"));
		}
	}
#endif /* SUPPORT_AP_RADIO_PWRSAVE */
fail:
	if (err) {
		WL_ERR(("ADD/SET beacon failed\n"));
		wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
		wl_cfg80211_stop_ap(wiphy, dev);
		if (dev_role == NL80211_IFTYPE_AP) {
			dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
#ifdef PKT_FILTER_SUPPORT
			/* Enable packet filter */
			if (dhd->early_suspended) {
				WL_ERR(("Enable pkt_filter\n"));
				dhd_enable_packet_filter(1, dhd);
#ifdef APF
				dhd_dev_apf_enable_filter(dhd_linux_get_primary_netdev(dhd));
#endif /* APF */
			}
#endif /* PKT_FILTER_SUPPORT */
#ifdef ARP_OFFLOAD_SUPPORT
			/* IF SoftAP is disabled, enable arpoe back for STA mode. */
			if (dhd->op_mode & DHD_FLAG_STA_MODE) {
				dhd_arp_offload_set(dhd, dhd_arp_mode);
				dhd_arp_offload_enable(dhd, TRUE);
			}
#endif /* ARP_OFFLOAD_SUPPORT */
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
			wl_cfg80211_set_frameburst(cfg, TRUE);
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
		}
#ifdef WLTDLS
		if (bssidx == 0) {
			/* Since AP creation failed, re-enable TDLS */
			wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_DELETE, false);
		}
#endif /*  WLTDLS */

	}

	return err;
}

static s32
wl_cfg80211_stop_ap(
	struct wiphy *wiphy,
	struct net_device *dev)
{
	int err = 0;
	u32 dev_role = 0;
	int ap = 0;
	s32 bssidx = 0;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 is_rsdb_supported = BCME_ERROR;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);

	WL_DBG(("Enter \n"));

	if (wl_cfg80211_get_bus_state(cfg)) {
		/* since bus is down, iovar will fail. recovery path will bringup the bus. */
		WL_ERR(("bus is not ready\n"));
		return BCME_OK;
	}
	is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE);
	if (is_rsdb_supported < 0)
		return (-ENODEV);

	wl_clr_drv_status(cfg, AP_CREATING, dev);
	wl_clr_drv_status(cfg, AP_CREATED, dev);
	cfg->ap_oper_channel = 0;

	if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
		dev_role = NL80211_IFTYPE_AP;
		WL_DBG(("stopping AP operation\n"));
	} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
		dev_role = NL80211_IFTYPE_P2P_GO;
		WL_DBG(("stopping P2P GO operation\n"));
	} else {
		WL_ERR(("no AP/P2P GO interface is operational.\n"));
		return -EINVAL;
	}

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (!check_dev_role_integrity(cfg, dev_role)) {
		WL_ERR(("role integrity check failed \n"));
		err = -EINVAL;
		goto exit;
	}

	/* Free up resources */
	wl_cfg80211_cleanup_if(dev);

	/* Clear AP/GO connected status */
	wl_clr_drv_status(cfg, CONNECTED, dev);
	if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 0)) < 0) {
		WL_ERR(("bss down error %d\n", err));
	}

	if (dev_role == NL80211_IFTYPE_AP) {
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
		wl_cfg80211_set_frameburst(cfg, TRUE);
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
#ifdef PKT_FILTER_SUPPORT
		/* Enable packet filter */
		if (dhd->early_suspended) {
			WL_ERR(("Enable pkt_filter\n"));
			dhd_enable_packet_filter(1, dhd);
#ifdef APF
			dhd_dev_apf_enable_filter(dhd_linux_get_primary_netdev(dhd));
#endif /* APF */
		}
#endif /* PKT_FILTER_SUPPORT */
#ifdef ARP_OFFLOAD_SUPPORT
		/* IF SoftAP is disabled, enable arpoe back for STA mode. */
		if (dhd->op_mode & DHD_FLAG_STA_MODE) {
			dhd_arp_offload_set(dhd, dhd_arp_mode);
			dhd_arp_offload_enable(dhd, TRUE);
		}
#endif /* ARP_OFFLOAD_SUPPORT */

		if (is_rsdb_supported == 0) {
			/* For non-rsdb chips, we use stand alone AP. Do wl down on stop AP */
			err = wldev_ioctl_set(dev, WLC_UP, &ap, sizeof(s32));
			if (unlikely(err)) {
				WL_ERR(("WLC_UP error (%d)\n", err));
				err = -EINVAL;
				goto exit;
			}
		}

#ifdef WL_DISABLE_HE_SOFTAP
		if (wl_cfg80211_set_he_mode(dev, cfg, bssidx, WL_IF_TYPE_AP, TRUE) != BCME_OK) {
			WL_ERR(("failed to set he features\n"));
		}
#endif /* WL_DISABLE_HE_SOFTAP */

		wl_cfg80211_clear_per_bss_ies(cfg, dev->ieee80211_ptr);
#ifdef SUPPORT_AP_RADIO_PWRSAVE
		if (!wl_set_ap_rps(dev, FALSE, dev->name)) {
			wl_cfg80211_init_ap_rps(cfg);
		} else {
			WL_ERR(("Set rpsnoa failed \n"));
		}
#endif /* SUPPORT_AP_RADIO_PWRSAVE */
	} else {
		WL_DBG(("Stopping P2P GO \n"));
		DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE((dhd_pub_t *)(cfg->pub),
			DHD_EVENT_TIMEOUT_MS*3);
		DHD_OS_WAKE_LOCK_TIMEOUT((dhd_pub_t *)(cfg->pub));
	}

	SUPP_LOG(("AP/GO Link down\n"));
exit:
	if (err) {
		/* In case of failure, flush fw logs */
		wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
		SUPP_LOG(("AP/GO Link down fail. err:%d\n", err));
	}
#ifdef WLTDLS
	if (bssidx == 0) {
		/* re-enable TDLS if the number of connected interfaces is less than 2 */
		wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_DELETE, false);
	}
#endif /* WLTDLS */

	if (dev_role == NL80211_IFTYPE_AP) {
		/* clear the AP mode */
		dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
	}
	return err;
}

static s32
wl_cfg80211_change_beacon(
	struct wiphy *wiphy,
	struct net_device *dev,
	struct cfg80211_beacon_data *info)
{
	s32 err = BCME_OK;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct parsed_ies ies;
	u32 dev_role = 0;
	s32 bssidx = 0;
	bool pbc = 0;

	WL_DBG(("Enter \n"));

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
		dev_role = NL80211_IFTYPE_P2P_GO;
	} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
		dev_role = NL80211_IFTYPE_AP;
	} else {
		err = -EINVAL;
		goto fail;
	}

	if (!check_dev_role_integrity(cfg, dev_role)) {
		err = -EINVAL;
		goto fail;
	}

	if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) {
		WL_ERR(("P2P already down status!\n"));
		err = BCME_ERROR;
		goto fail;
	}

	/* Parse IEs */
	if ((err = wl_cfg80211_parse_ap_ies(dev, info, &ies)) < 0) {
		WL_ERR(("Parse IEs failed \n"));
		goto fail;
	}

	/* Set IEs to FW */
	if ((err = wl_cfg80211_set_ies(dev, info, bssidx)) < 0) {
		WL_ERR(("Set IEs failed \n"));
		goto fail;
	}

	if (dev_role == NL80211_IFTYPE_AP) {
		if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) {
			WL_ERR(("Hostapd update sec failed \n"));
			err = -EINVAL;
			goto fail;
		}
		/* Enable Probe Req filter, WPS-AP certification 4.2.13 */
		if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) {
			wl_validate_wps_ie((const char *) ies.wps_ie, ies.wps_ie_len, &pbc);
			WL_DBG((" WPS AP, wps_ie is exists pbc=%d\n", pbc));
			if (pbc)
				wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true);
			else
				wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, false);
		}
	}

fail:
	if (err) {
		wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
	}
	return err;
}
#else
static s32
wl_cfg80211_add_set_beacon(struct wiphy *wiphy, struct net_device *dev,
	struct beacon_parameters *info)
{
	s32 err = BCME_OK;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 ie_offset = 0;
	s32 bssidx = 0;
	u32 dev_role = NL80211_IFTYPE_AP;
	struct parsed_ies ies;
	bcm_tlv_t *ssid_ie;
	bool pbc = 0;
	bool privacy;
	bool is_bss_up = 0;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);

	WL_DBG(("interval (%d) dtim_period (%d) head_len (%d) tail_len (%d)\n",
		info->interval, info->dtim_period, info->head_len, info->tail_len));

	if (dev == bcmcfg_to_prmry_ndev(cfg)) {
		dev_role = NL80211_IFTYPE_AP;
	}
#if defined(WL_ENABLE_P2P_IF)
	else if (dev == cfg->p2p_net) {
		/* Group Add request on p2p0 */
		dev = bcmcfg_to_prmry_ndev(cfg);
		dev_role = NL80211_IFTYPE_P2P_GO;
	}
#endif /* WL_ENABLE_P2P_IF */

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
		dev_role = NL80211_IFTYPE_P2P_GO;
	} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
		dhd->op_mode |= DHD_FLAG_HOSTAP_MODE;
	}

	if (!check_dev_role_integrity(cfg, dev_role)) {
		err = -ENODEV;
		goto fail;
	}

	if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) {
		WL_ERR(("P2P already down status!\n"));
		err = BCME_ERROR;
		goto fail;
	}

	ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
	/* find the SSID */
	if ((ssid_ie = bcm_parse_tlvs((u8 *)&info->head[ie_offset],
		info->head_len - ie_offset,
		DOT11_MNG_SSID_ID)) != NULL) {
		if (dev_role == NL80211_IFTYPE_AP) {
			/* Store the hostapd SSID */
			bzero(&cfg->hostapd_ssid.SSID[0], DOT11_MAX_SSID_LEN);
			cfg->hostapd_ssid.SSID_len = MIN(ssid_ie->len, DOT11_MAX_SSID_LEN);
			memcpy(&cfg->hostapd_ssid.SSID[0], ssid_ie->data,
				cfg->hostapd_ssid.SSID_len);
		} else {
			/* P2P GO */
			bzero(&cfg->p2p->ssid.SSID[0], DOT11_MAX_SSID_LEN);
			cfg->p2p->ssid.SSID_len = MIN(ssid_ie->len, DOT11_MAX_SSID_LEN);
			memcpy(cfg->p2p->ssid.SSID, ssid_ie->data,
				cfg->p2p->ssid.SSID_len);
		}
	}

	if (wl_cfg80211_parse_ies((u8 *)info->tail,
		info->tail_len, &ies) < 0) {
		WL_ERR(("Beacon get IEs failed \n"));
		err = -EINVAL;
		goto fail;
	}

	if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
		VNDR_IE_BEACON_FLAG, (u8 *)info->tail,
		info->tail_len)) < 0) {
		WL_ERR(("Beacon set IEs failed \n"));
		goto fail;
	} else {
		WL_DBG(("Applied Vndr IEs for Beacon \n"));
	}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
	if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
		VNDR_IE_PRBRSP_FLAG, (u8 *)info->proberesp_ies,
		info->proberesp_ies_len)) < 0) {
		WL_ERR(("ProbeRsp set IEs failed \n"));
		goto fail;
	} else {
		WL_DBG(("Applied Vndr IEs for ProbeRsp \n"));
	}
#endif // endif

	is_bss_up = wl_cfg80211_bss_isup(dev, bssidx);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
	privacy = info->privacy;
#else
	privacy = 0;
#endif // endif
	if (!is_bss_up &&
		(wl_cfg80211_bcn_validate_sec(dev, &ies, dev_role, bssidx, privacy) < 0))
	{
		WL_ERR(("Beacon set security failed \n"));
		err = -EINVAL;
		goto fail;
	}

	/* Set BI and DTIM period */
	if (info->interval) {
		if ((err = wldev_ioctl_set(dev, WLC_SET_BCNPRD,
			&info->interval, sizeof(s32))) < 0) {
			WL_ERR(("Beacon Interval Set Error, %d\n", err));
			return err;
		}
	}
	if (info->dtim_period) {
		if ((err = wldev_ioctl_set(dev, WLC_SET_DTIMPRD,
			&info->dtim_period, sizeof(s32))) < 0) {
			WL_ERR(("DTIM Interval Set Error, %d\n", err));
			return err;
		}
	}

	/* If bss is already up, skip bring up */
	if (!is_bss_up &&
		(err = wl_cfg80211_bcn_bringup_ap(dev, &ies, dev_role, bssidx)) < 0)
	{
		WL_ERR(("Beacon bring up AP/GO failed \n"));
		goto fail;
	}

	/* Set GC/STA SCB expiry timings. */
	if ((err = wl_cfg80211_set_scb_timings(cfg, dev))) {
		WL_ERR(("scb setting failed \n"));
		if (err == BCME_UNSUPPORTED)
			err = 0;
//		goto fail;
	}

	if (wl_get_drv_status(cfg, AP_CREATED, dev)) {
		/* Soft AP already running. Update changed params */
		if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) {
			WL_ERR(("Hostapd update sec failed \n"));
			err = -EINVAL;
			goto fail;
		}
	}

	/* Enable Probe Req filter */
	if (((dev_role == NL80211_IFTYPE_P2P_GO) ||
		(dev_role == NL80211_IFTYPE_AP)) && (ies.wps_ie != NULL)) {
		wl_validate_wps_ie((char *) ies.wps_ie, ies.wps_ie_len, &pbc);
		if (pbc)
			wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true);
	}

	WL_DBG(("** ADD/SET beacon done **\n"));
	wl_set_drv_status(cfg, CONNECTED, dev);

fail:
	if (err) {
		WL_ERR(("ADD/SET beacon failed\n"));
		if (dev_role == NL80211_IFTYPE_AP) {
			/* clear the AP mode */
			dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
		}
	}
	return err;

}

static s32
wl_cfg80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
{
	int err = 0;
	s32 bssidx = 0;
	int infra = 0;
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);

	WL_DBG(("Enter. \n"));

	if (!wdev) {
		WL_ERR(("wdev null \n"));
		return -EINVAL;
	}

	if ((wdev->iftype != NL80211_IFTYPE_P2P_GO) && (wdev->iftype != NL80211_IFTYPE_AP)) {
		WL_ERR(("Unspported iface type iftype:%d \n", wdev->iftype));
	}

	wl_clr_drv_status(cfg, AP_CREATING, dev);
	wl_clr_drv_status(cfg, AP_CREATED, dev);

	/* Clear AP/GO connected status */
	wl_clr_drv_status(cfg, CONNECTED, dev);

	cfg->ap_oper_channel = 0;

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
		return BCME_ERROR;
	}

	/* Do bss down */
	if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 0)) < 0) {
		WL_ERR(("bss down error %d\n", err));
	}

	/* fall through is intentional */
	err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32));
	if (err < 0) {
		WL_ERR(("SET INFRA error %d\n", err));
	}
	 wl_cfg80211_clear_per_bss_ies(cfg, dev->ieee80211_ptr);

	if (wdev->iftype == NL80211_IFTYPE_AP) {
		/* clear the AP mode */
		dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
	}

	return 0;
}
#endif /* LINUX_VERSION < VERSION(3,4,0) || WL_COMPAT_WIRELESS */

#ifdef WL_SUPPORT_ACS
/*
 * Currently the dump_obss IOVAR is returning string as output so we need to
 * parse the output buffer in an unoptimized way. Going forward if we get the
 * IOVAR output in binary format this method can be optimized
 */
static int wl_parse_dump_obss(char *buf, struct wl_dump_survey *survey)
{
	int i;
	char *token;
	char delim[] = " \n";

	token = strsep(&buf, delim);
	while (token != NULL) {
		if (!strcmp(token, "OBSS")) {
			for (i = 0; i < OBSS_TOKEN_IDX; i++)
				token = strsep(&buf, delim);
			survey->obss = simple_strtoul(token, NULL, 10);
		}

		if (!strcmp(token, "IBSS")) {
			for (i = 0; i < IBSS_TOKEN_IDX; i++)
				token = strsep(&buf, delim);
			survey->ibss = simple_strtoul(token, NULL, 10);
		}

		if (!strcmp(token, "TXDur")) {
			for (i = 0; i < TX_TOKEN_IDX; i++)
				token = strsep(&buf, delim);
			survey->tx = simple_strtoul(token, NULL, 10);
		}

		if (!strcmp(token, "Category")) {
			for (i = 0; i < CTG_TOKEN_IDX; i++)
				token = strsep(&buf, delim);
			survey->no_ctg = simple_strtoul(token, NULL, 10);
		}

		if (!strcmp(token, "Packet")) {
			for (i = 0; i < PKT_TOKEN_IDX; i++)
				token = strsep(&buf, delim);
			survey->no_pckt = simple_strtoul(token, NULL, 10);
		}

		if (!strcmp(token, "Opp(time):")) {
			for (i = 0; i < IDLE_TOKEN_IDX; i++)
				token = strsep(&buf, delim);
			survey->idle = simple_strtoul(token, NULL, 10);
		}

		token = strsep(&buf, delim);
	}

	return 0;
}

static int wl_dump_obss(struct net_device *ndev, cca_msrmnt_query req,
	struct wl_dump_survey *survey)
{
	cca_stats_n_flags *results;
	char *buf;
	int retry, err;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);

	buf = (char *)MALLOCZ(cfg->osh, sizeof(char) * WLC_IOCTL_MAXLEN);
	if (unlikely(!buf)) {
		WL_ERR(("%s: buf alloc failed\n", __func__));
		return -ENOMEM;
	}

	retry = IOCTL_RETRY_COUNT;
	while (retry--) {
		err = wldev_iovar_getbuf(ndev, "dump_obss", &req, sizeof(req),
			buf, WLC_IOCTL_MAXLEN, NULL);
		if (err >=  0) {
			break;
		}
		WL_DBG(("attempt = %d, err = %d, \n",
			(IOCTL_RETRY_COUNT - retry), err));
	}

	if (retry <= 0)	{
		WL_ERR(("failure, dump_obss IOVAR failed\n"));
		err = -EINVAL;
		goto exit;
	}

	results = (cca_stats_n_flags *)(buf);
	wl_parse_dump_obss(results->buf, survey);
	MFREE(cfg->osh, buf, sizeof(char) * WLC_IOCTL_MAXLEN);

	return 0;
exit:
	MFREE(cfg->osh, buf, sizeof(char) * WLC_IOCTL_MAXLEN);
	return err;
}

static int wl_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *ndev,
	int idx, struct survey_info *info)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct wl_dump_survey *survey;
	struct ieee80211_supported_band *band;
	struct ieee80211_channel*chan;
	cca_msrmnt_query req;
	int val, err, noise, retry;

	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		return -ENOENT;
	}
	band = wiphy->bands[IEEE80211_BAND_2GHZ];
	if (band && idx >= band->n_channels) {
		idx -= band->n_channels;
		band = NULL;
	}

	if (!band || idx >= band->n_channels) {
		/* Move to 5G band */
		band = wiphy->bands[IEEE80211_BAND_5GHZ];
		if (idx >= band->n_channels) {
			return -ENOENT;
		}
	}

	chan = &band->channels[idx];
	/* Setting current channel to the requested channel */
	if ((err = wl_cfg80211_set_channel(wiphy, ndev, chan,
		NL80211_CHAN_HT20) < 0)) {
		WL_ERR(("Set channel failed \n"));
	}

	if (!idx) {
		/* Set interface up, explicitly. */
		val = 1;
		err = wldev_ioctl_set(ndev, WLC_UP, (void *)&val, sizeof(val));
		if (err < 0) {
			WL_ERR(("set interface up failed, error = %d\n", err));
		}
	}

	/* Get noise value */
	retry = IOCTL_RETRY_COUNT;
	while (retry--) {
		noise = 0;
		err = wldev_ioctl_get(ndev, WLC_GET_PHY_NOISE, &noise,
			sizeof(noise));
		if (err >=  0) {
			break;
		}
		WL_DBG(("attempt = %d, err = %d, \n",
			(IOCTL_RETRY_COUNT - retry), err));
	}

	if (retry <= 0)	{
		WL_ERR(("Get Phy Noise failed, error = %d\n", err));
		noise = CHAN_NOISE_DUMMY;
	}

	survey = (struct wl_dump_survey *)MALLOCZ(cfg->osh,
		sizeof(struct wl_dump_survey));
	if (unlikely(!survey)) {
		WL_ERR(("%s: alloc failed\n", __func__));
		return -ENOMEM;
	}

	/* Start Measurement for obss stats on current channel */
	req.msrmnt_query = 0;
	req.time_req = ACS_MSRMNT_DELAY;
	if ((err = wl_dump_obss(ndev, req, survey)) < 0) {
		goto exit;
	}

	/*
	 * Wait for the meaurement to complete, adding a buffer value of 10 to take
	 * into consideration any delay in IOVAR completion
	 */
	msleep(ACS_MSRMNT_DELAY + 10);

	/* Issue IOVAR to collect measurement results */
	req.msrmnt_query = 1;
	if ((err = wl_dump_obss(ndev, req, survey)) < 0) {
		goto exit;
	}

	info->channel = chan;
	info->noise = noise;
	info->channel_time = ACS_MSRMNT_DELAY;
	info->channel_time_busy = ACS_MSRMNT_DELAY - survey->idle;
	info->channel_time_rx = survey->obss + survey->ibss + survey->no_ctg +
		survey->no_pckt;
	info->channel_time_tx = survey->tx;
	info->filled = SURVEY_INFO_NOISE_DBM |SURVEY_INFO_CHANNEL_TIME |
		SURVEY_INFO_CHANNEL_TIME_BUSY |	SURVEY_INFO_CHANNEL_TIME_RX |
		SURVEY_INFO_CHANNEL_TIME_TX;
	MFREE(cfg->osh, survey, sizeof(struct wl_dump_survey));

	return 0;
exit:
	MFREE(cfg->osh, survey, sizeof(struct wl_dump_survey));
	return err;
}
#endif /* WL_SUPPORT_ACS */

static struct cfg80211_ops wl_cfg80211_ops = {
	.add_virtual_intf = wl_cfg80211_add_virtual_iface,
	.del_virtual_intf = wl_cfg80211_del_virtual_iface,
	.change_virtual_intf = wl_cfg80211_change_virtual_iface,
#if defined(WL_CFG80211_P2P_DEV_IF)
	.start_p2p_device = wl_cfgp2p_start_p2p_device,
	.stop_p2p_device = wl_cfgp2p_stop_p2p_device,
#endif /* WL_CFG80211_P2P_DEV_IF */
	.scan = wl_cfg80211_scan,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0))
	.abort_scan = wl_cfg80211_abort_scan,
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)) */
	.set_wiphy_params = wl_cfg80211_set_wiphy_params,
	.join_ibss = wl_cfg80211_join_ibss,
	.leave_ibss = wl_cfg80211_leave_ibss,
	.get_station = wl_cfg80211_get_station,
	.dump_station = wl_cfg80211_dump_station,
	.set_tx_power = wl_cfg80211_set_tx_power,
	.get_tx_power = wl_cfg80211_get_tx_power,
	.add_key = wl_cfg80211_add_key,
	.del_key = wl_cfg80211_del_key,
	.get_key = wl_cfg80211_get_key,
	.set_default_key = wl_cfg80211_config_default_key,
	.set_default_mgmt_key = wl_cfg80211_config_default_mgmt_key,
	.set_power_mgmt = wl_cfg80211_set_power_mgmt,
	.connect = wl_cfg80211_connect,
	.disconnect = wl_cfg80211_disconnect,
	.suspend = wl_cfg80211_suspend,
	.resume = wl_cfg80211_resume,
	.set_pmksa = wl_cfg80211_set_pmksa,
	.del_pmksa = wl_cfg80211_del_pmksa,
	.flush_pmksa = wl_cfg80211_flush_pmksa,
	.remain_on_channel = wl_cfg80211_remain_on_channel,
	.cancel_remain_on_channel = wl_cfg80211_cancel_remain_on_channel,
	.mgmt_tx = wl_cfg80211_mgmt_tx,
	.mgmt_frame_register = wl_cfg80211_mgmt_frame_register,
	.change_bss = wl_cfg80211_change_bss,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) || defined(WL_COMPAT_WIRELESS)
	.set_channel = wl_cfg80211_set_channel,
#endif /* ((LINUX_VERSION < VERSION(3, 6, 0)) || WL_COMPAT_WIRELESS */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) && !defined(WL_COMPAT_WIRELESS)
	.set_beacon = wl_cfg80211_add_set_beacon,
	.add_beacon = wl_cfg80211_add_set_beacon,
	.del_beacon = wl_cfg80211_del_beacon,
#else
	.change_beacon = wl_cfg80211_change_beacon,
	.start_ap = wl_cfg80211_start_ap,
	.stop_ap = wl_cfg80211_stop_ap,
#endif /* LINUX_VERSION < KERNEL_VERSION(3,4,0) && !WL_COMPAT_WIRELESS */
#ifdef WL_SCHED_SCAN
	.sched_scan_start = wl_cfg80211_sched_scan_start,
	.sched_scan_stop = wl_cfg80211_sched_scan_stop,
#endif /* WL_SCHED_SCAN */
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
	2, 0))
	.del_station = wl_cfg80211_del_station,
	.change_station = wl_cfg80211_change_station,
	.mgmt_tx_cancel_wait = wl_cfg80211_mgmt_tx_cancel_wait,
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VERSION >= (3,2,0) */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
	.tdls_mgmt = wl_cfg80211_tdls_mgmt,
	.tdls_oper = wl_cfg80211_tdls_oper,
#endif /* LINUX_VERSION > VERSION(3, 2, 0) || WL_COMPAT_WIRELESS */
#ifdef WL_SUPPORT_ACS
	.dump_survey = wl_cfg80211_dump_survey,
#endif /* WL_SUPPORT_ACS */
#ifdef WL_CFG80211_ACL
	.set_mac_acl = wl_cfg80211_set_mac_acl,
#endif /* WL_CFG80211_ACL */
#ifdef GTK_OFFLOAD_SUPPORT
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
	.set_rekey_data = wl_cfg80211_set_rekey_data,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */
#endif /* GTK_OFFLOAD_SUPPORT */
#if defined(WL_FILS)
	/* This should be enabled from kernel version which supports this */
	.update_connect_params = wl_cfg80211_update_connect_params,
#endif /* WL_FILS */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0))
	.set_pmk = wl_cfg80211_set_pmk,
	.del_pmk = wl_cfg80211_del_pmk,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
	.channel_switch = wl_cfg80211_channel_switch,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) */
};

s32 wl_mode_to_nl80211_iftype(s32 mode)
{
	s32 err = 0;

	switch (mode) {
	case WL_MODE_BSS:
		return NL80211_IFTYPE_STATION;
	case WL_MODE_IBSS:
		return NL80211_IFTYPE_ADHOC;
	case WL_MODE_AP:
		return NL80211_IFTYPE_AP;
	default:
		return NL80211_IFTYPE_UNSPECIFIED;
	}

	return err;
}

s32
wl_cfg80211_set_country_code(struct net_device *net, char *country_code,
	bool notify, bool user_enforced, int revinfo)
{
	s32 ret = BCME_OK;
#ifdef WL_NAN
	struct wireless_dev *wdev = ndev_to_wdev(net);
	struct wiphy *wiphy = wdev->wiphy;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	if (cfg->nan_enable) {
		mutex_lock(&cfg->if_sync);
		cfg->nancfg.disable_reason = NAN_COUNTRY_CODE_CHANGE;
		ret = wl_cfgnan_disable(cfg);
		mutex_unlock(&cfg->if_sync);
		if (ret != BCME_OK) {
			WL_ERR(("failed to disable nan, error[%d]\n", ret));
			return ret;
		}
	}
#endif /* WL_NAN */
	ret = wldev_set_country(net, country_code,
		notify, user_enforced, revinfo);
	if (ret < 0) {
		WL_ERR(("set country Failed :%d\n", ret));
	}
	return ret;
}

#ifdef CONFIG_PM
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
static const struct wiphy_wowlan_support brcm_wowlan_support = {
	.flags = WIPHY_WOWLAN_ANY,
	.n_patterns = WL_WOWLAN_MAX_PATTERNS,
	.pattern_min_len = WL_WOWLAN_MIN_PATTERN_LEN,
	.pattern_max_len = WL_WOWLAN_MAX_PATTERN_LEN,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
	.max_pkt_offset = WL_WOWLAN_MAX_PATTERN_LEN,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
};
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) */
#endif /* CONFIG_PM */

int wl_features_set(u8 *array, uint8 len, u32 ftidx)
{
	u8* ft_byte;

	if ((ftidx / 8u) >= len)
		return BCME_BADARG;

	ft_byte = &array[ftidx / 8u];
	*ft_byte |= BIT(ftidx % 8u);
	return BCME_OK;
}

static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *sdiofunc_dev, dhd_pub_t *context)
{
	s32 err = 0;
#ifdef CONFIG_PM
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
	struct cfg80211_wowlan *brcm_wowlan_config = NULL;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
#endif /* CONFIG_PM */

//#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) || defined(WL_COMPAT_WIRELESS))
	dhd_pub_t *dhd = (dhd_pub_t *)context;
	BCM_REFERENCE(dhd);

	if (!dhd) {
		WL_ERR(("DHD is NULL!!"));
		err = -ENODEV;
		return err;
	}
//#endif // endif

	wdev->wiphy =
	    wiphy_new(&wl_cfg80211_ops, sizeof(struct bcm_cfg80211));
	if (unlikely(!wdev->wiphy)) {
		WL_ERR(("Couldn not allocate wiphy device\n"));
		err = -ENOMEM;
		return err;
	}
	set_wiphy_dev(wdev->wiphy, sdiofunc_dev);
	wdev->wiphy->max_scan_ie_len = WL_SCAN_IE_LEN_MAX;
	/* Report  how many SSIDs Driver can support per Scan request */
	wdev->wiphy->max_scan_ssids = WL_SCAN_PARAMS_SSID_MAX;
	wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
#ifdef WL_SCHED_SCAN
	wdev->wiphy->max_sched_scan_ssids = MAX_PFN_LIST_COUNT;
	wdev->wiphy->max_match_sets = MAX_PFN_LIST_COUNT;
	wdev->wiphy->max_sched_scan_ie_len = WL_SCAN_IE_LEN_MAX;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
	wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
#endif /* LINUX_VER < 4.12 */
#endif /* WL_SCHED_SCAN */
	wdev->wiphy->interface_modes =
		BIT(NL80211_IFTYPE_STATION)
		| BIT(NL80211_IFTYPE_ADHOC)
#if !defined(WL_ENABLE_P2P_IF) && !defined(WL_CFG80211_P2P_DEV_IF)
		| BIT(NL80211_IFTYPE_MONITOR)
#endif // endif
#if defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)
		| BIT(NL80211_IFTYPE_P2P_CLIENT)
		| BIT(NL80211_IFTYPE_P2P_GO)
#endif /* WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF */
#if defined(WL_CFG80211_P2P_DEV_IF)
		| BIT(NL80211_IFTYPE_P2P_DEVICE)
#endif /* WL_CFG80211_P2P_DEV_IF */
		| BIT(NL80211_IFTYPE_AP);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \
	(defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF))
	WL_DBG(("Setting interface combinations for common mode\n"));
	wdev->wiphy->iface_combinations = common_iface_combinations;
	wdev->wiphy->n_iface_combinations =
		ARRAY_SIZE(common_iface_combinations);
#endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */

	wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;

	wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
	wdev->wiphy->cipher_suites = __wl_cipher_suites;
	wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
	wdev->wiphy->max_remain_on_channel_duration = 5000;
	wdev->wiphy->mgmt_stypes = wl_cfg80211_default_mgmt_stypes;
#ifndef WL_POWERSAVE_DISABLED
	wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
#else
	wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
#endif				/* !WL_POWERSAVE_DISABLED */
	wdev->wiphy->flags |= WIPHY_FLAG_NETNS_OK |
		WIPHY_FLAG_4ADDR_AP |
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && !defined(WL_COMPAT_WIRELESS)
		WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS |
#endif // endif
		WIPHY_FLAG_4ADDR_STATION;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
	/*
	 * If FW ROAM flag is advertised, upper layer doesn't provide the
	 * bssid & freq in the connect command. However, kernel ver >= 3.15,
	 * provides bssid_hint & freq_hint which can be used by the firmware.
	 * fw_ap_select variable determines whether FW selects the AP or the
	 * user space selects the target AP within the given ESS.
	 */
	wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || defined(WL_COMPAT_WIRELESS)
	wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
		WIPHY_FLAG_OFFCHAN_TX;
#endif // endif
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
	4, 0))
	/* From 3.4 kernel ownards AP_SME flag can be advertised
	 * to remove the patch from supplicant
	 */
	wdev->wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;

#ifdef WL_CFG80211_ACL
	/* Configure ACL capabilities. */
	wdev->wiphy->max_acl_mac_addrs = MAX_NUM_MAC_FILT;
#endif // endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) || defined(WL_COMPAT_WIRELESS))
	/* Supplicant distinguish between the SoftAP mode and other
	 * modes (e.g. P2P, WPS, HS2.0) when it builds the probe
	 * response frame from Supplicant MR1 and Kernel 3.4.0 or
	 * later version. To add Vendor specific IE into the
	 * probe response frame in case of SoftAP mode,
	 * AP_PROBE_RESP_OFFLOAD flag is set to wiphy->flags variable.
	 */
	if (dhd_get_fw_mode(dhd->info) == DHD_FLAG_HOSTAP_MODE) {
		wdev->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
		wdev->wiphy->probe_resp_offload = 0;
	}
#endif // endif
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) */

#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
	wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
#endif // endif

#if defined(CONFIG_PM) && defined(WL_CFG80211_P2P_DEV_IF)
	/*
	 * From linux-3.10 kernel, wowlan packet filter is mandated to avoid the
	 * disconnection of connected network before suspend. So a dummy wowlan
	 * filter is configured for kernels linux-3.8 and above.
	 */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
	wdev->wiphy->wowlan = &brcm_wowlan_support;
	/* If this is not provided cfg stack will get disconnect
	* during suspend.
	* Note: wiphy->wowlan_config is freed by cfg80211 layer.
	* so use malloc instead of MALLOC(osh) to avoid false alarm.
	*/
	brcm_wowlan_config = kmalloc(sizeof(struct cfg80211_wowlan), GFP_KERNEL);
	if (brcm_wowlan_config) {
		brcm_wowlan_config->disconnect = true;
		brcm_wowlan_config->gtk_rekey_failure = true;
		brcm_wowlan_config->eap_identity_req = true;
		brcm_wowlan_config->four_way_handshake = true;
		brcm_wowlan_config->patterns = NULL;
		brcm_wowlan_config->n_patterns = 0;
		brcm_wowlan_config->tcp = NULL;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
		brcm_wowlan_config->nd_config = NULL;
#endif // endif
	} else {
		WL_ERR(("Can not allocate memory for brcm_wowlan_config,"
			" So wiphy->wowlan_config is set to NULL\n"));
	}
	wdev->wiphy->wowlan_config = brcm_wowlan_config;
#else
	wdev->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
	wdev->wiphy->wowlan.n_patterns = WL_WOWLAN_MAX_PATTERNS;
	wdev->wiphy->wowlan.pattern_min_len = WL_WOWLAN_MIN_PATTERN_LEN;
	wdev->wiphy->wowlan.pattern_max_len = WL_WOWLAN_MAX_PATTERN_LEN;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
	wdev->wiphy->wowlan.max_pkt_offset = WL_WOWLAN_MAX_PATTERN_LEN;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
#endif /* CONFIG_PM && WL_CFG80211_P2P_DEV_IF */

	WL_DBG(("Registering custom regulatory)\n"));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	wdev->wiphy->regulatory_flags |=
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
		REGULATORY_IGNORE_STALE_KICKOFF |
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0) */
		REGULATORY_CUSTOM_REG;
#else
	wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */
	wiphy_apply_custom_regulatory(wdev->wiphy, &brcm_regdom);

#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
	WL_INFORM_MEM(("Registering Vendor80211\n"));
	err = wl_cfgvendor_attach(wdev->wiphy, dhd);
	if (unlikely(err < 0)) {
		WL_ERR(("Couldn not attach vendor commands (%d)\n", err));
	}
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */
#ifdef WL_FILS
	wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
#endif /* WL_FILS */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
	wdev->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
	wdev->wiphy->max_num_csa_counters = WL_MAX_NUM_CSA_COUNTERS;
#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(3, 12, 0) */

	/* Now we can register wiphy with cfg80211 module */
	err = wiphy_register(wdev->wiphy);
	if (unlikely(err < 0)) {
		WL_ERR(("Couldn not register wiphy device (%d)\n", err));
		wiphy_free(wdev->wiphy);
	}

#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && (LINUX_VERSION_CODE <= \
	KERNEL_VERSION(3, 3, 0))) && defined(WL_IFACE_COMB_NUM_CHANNELS)
	wdev->wiphy->flags &= ~WIPHY_FLAG_ENFORCE_COMBINATIONS;
#endif // endif

#ifdef WL_SAE
		wdev->wiphy->features |= NL80211_FEATURE_SAE;
#endif /* WL_SAE */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)) && defined(BCMSUP_4WAY_HANDSHAKE)
	if (FW_SUPPORTED(dhd, idsup)) {
		err = wiphy_ext_feature_set(wdev->wiphy,
			NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK);
		if (err) {
			return err;
		}
		err = wiphy_ext_feature_set(wdev->wiphy,
			NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X);
		if (err) {
			return err;
		}
	}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) && defined(BCMSUP_4WAY_HANDSHAKE) */
#ifdef WL_SCAN_TYPE
	/* These scan types will be mapped to default scan on non-supported chipset */
	/* Advertise scan type capability. */
	wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_LOW_SPAN_SCAN);
	wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_LOW_POWER_SCAN);
	wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN);
	wdev->wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN;
#endif /* WL_SCAN_TYPE */

	return err;
}

static void wl_free_wdev(struct bcm_cfg80211 *cfg)
{
	struct wireless_dev *wdev = cfg->wdev;
	struct wiphy *wiphy = NULL;
	if (!wdev) {
		WL_ERR(("wdev is invalid\n"));
		return;
	}
	if (wdev->wiphy) {
		wiphy = wdev->wiphy;

#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
		wl_cfgvendor_detach(wdev->wiphy);
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */
#if defined(CONFIG_PM) && defined(WL_CFG80211_P2P_DEV_IF)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
		/* Reset wowlan & wowlan_config before Unregister to avoid Kernel Panic */
		WL_DBG(("clear wowlan\n"));
		wdev->wiphy->wowlan = NULL;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
#endif /* CONFIG_PM && WL_CFG80211_P2P_DEV_IF */
		wiphy_unregister(wdev->wiphy);
		wdev->wiphy->dev.parent = NULL;
		wdev->wiphy = NULL;
	}

	wl_delete_all_netinfo(cfg);
	if (wiphy) {
		MFREE(cfg->osh, wdev, sizeof(*wdev));
		wiphy_free(wiphy);
	}

	/* PLEASE do NOT call any function after wiphy_free, the driver's private structure "cfg",
	 * which is the private part of wiphy, has been freed in wiphy_free !!!!!!!!!!!
	 */
}

s32 wl_inform_bss(struct bcm_cfg80211 *cfg)
{
	struct wl_scan_results *bss_list;
	wl_bss_info_t *bi = NULL;	/* must be initialized */
	s32 err = 0;
	s32 i;
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
#if defined(RSSIAVG)
	int rssi;
#endif
#if defined(BSSCACHE)
	wl_bss_cache_t *node;
#endif

	bss_list = cfg->bss_list;

	/* Free cache in p2p scanning*/
	if (p2p_is_on(cfg) && p2p_scan(cfg)) {
#if defined(RSSIAVG)
		wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
		wl_free_bss_cache(&cfg->g_bss_cache_ctrl);
#endif
	}

	/* Delete disconnected cache */
#if defined(BSSCACHE)
	wl_delete_disconnected_bss_cache(&cfg->g_bss_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#if defined(RSSIAVG)
	wl_delete_disconnected_rssi_cache(&cfg->g_rssi_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#endif
	if (cfg->p2p_disconnected == 0)
		memset(&cfg->disconnected_bssid, 0, ETHER_ADDR_LEN);
#endif

	/* Update cache */
#if defined(RSSIAVG)
	wl_update_rssi_cache(&cfg->g_rssi_cache_ctrl, bss_list);
	if (!in_atomic())
		wl_update_connected_rssi_cache(ndev, &cfg->g_rssi_cache_ctrl, &rssi);
#endif
#if defined(BSSCACHE)
	wl_update_bss_cache(&cfg->g_bss_cache_ctrl,
#if defined(RSSIAVG)
		&cfg->g_rssi_cache_ctrl,
#endif
		bss_list);
#endif

	/* delete dirty cache */
#if defined(RSSIAVG)
	wl_delete_dirty_rssi_cache(&cfg->g_rssi_cache_ctrl);
	wl_reset_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
	wl_delete_dirty_bss_cache(&cfg->g_bss_cache_ctrl);
	wl_reset_bss_cache(&cfg->g_bss_cache_ctrl);
#endif

#if defined(BSSCACHE)
	if (cfg->p2p_disconnected > 0) {
		// terence 20130703: Fix for wrong group_capab (timing issue)
		wl_delete_disconnected_bss_cache(&cfg->g_bss_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#if defined(RSSIAVG)
		wl_delete_disconnected_rssi_cache(&cfg->g_rssi_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#endif
	}
	WL_SCAN(("scanned AP count (%d)\n", bss_list->count));
	node = cfg->g_bss_cache_ctrl.m_cache_head;
	for (i=0; node && i<WL_AP_MAX; i++) {
		bi = node->results.bss_info;
		err = wl_inform_single_bss(cfg, bi, false);
		node = node->next;
	}
	if (cfg->autochannel)
		wl_ext_get_best_channel(ndev, &cfg->g_bss_cache_ctrl, ioctl_version,
			&cfg->best_2g_ch, &cfg->best_5g_ch);
#else
	WL_SCAN(("scanned AP count (%d)\n", bss_list->count));
#ifdef ESCAN_CHANNEL_CACHE
	reset_roam_cache(cfg);
#endif /* ESCAN_CHANNEL_CACHE */
	preempt_disable();
	bi = next_bss(bss_list, bi);
	for_each_bss(bss_list, bi, i) {
		if (cfg->p2p_disconnected > 0 && !memcmp(&bi->BSSID, &cfg->disconnected_bssid, ETHER_ADDR_LEN))
			continue;
#ifdef ESCAN_CHANNEL_CACHE
		add_roam_cache(cfg, bi);
#endif /* ESCAN_CHANNEL_CACHE */
		err = wl_inform_single_bss(cfg, bi, false);
		if (unlikely(err)) {
			WL_ERR(("bss inform failed\n"));
		}
	}
	preempt_enable();
	if (cfg->autochannel)
		wl_ext_get_best_channel(ndev, bss_list, ioctl_version,
			&cfg->best_2g_ch, &cfg->best_5g_ch);
#endif

	if (cfg->p2p_disconnected > 0) {
		// terence 20130703: Fix for wrong group_capab (timing issue)
		cfg->p2p_disconnected++;
		if (cfg->p2p_disconnected >= REPEATED_SCAN_RESULT_CNT+1) {
			cfg->p2p_disconnected = 0;
			memset(&cfg->disconnected_bssid, 0, ETHER_ADDR_LEN);
		}
	}
	WL_MEM(("cfg80211 scan cache updated\n"));
#ifdef ROAM_CHANNEL_CACHE
	/* print_roam_cache(); */
	update_roam_cache(cfg, ioctl_version);
#endif /* ROAM_CHANNEL_CACHE */
	return err;
}

static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi, bool update_ssid)
{
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	struct ieee80211_mgmt *mgmt;
	struct ieee80211_channel *channel;
	struct ieee80211_supported_band *band;
	struct wl_cfg80211_bss_info *notif_bss_info;
	struct wl_scan_req *sr = wl_to_sr(cfg);
	struct beacon_proberesp *beacon_proberesp;
	struct cfg80211_bss *cbss = NULL;
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
	log_conn_event_t *event_data = NULL;
	tlv_log *tlv_data = NULL;
	u32 alloc_len, tlv_len;
	u32 payload_len;
	s32 mgmt_type;
	s32 signal;
	u32 freq;
	s32 err = 0;
	gfp_t aflags;
	u8 tmp_buf[IEEE80211_MAX_SSID_LEN + 1];
	chanspec_t chanspec;

	if (unlikely(dtoh32(bi->length) > WL_BSS_INFO_MAX)) {
		WL_DBG(("Beacon is larger than buffer. Discarding\n"));
		return err;
	}

	if (bi->SSID_len > IEEE80211_MAX_SSID_LEN) {
		WL_ERR(("wrong SSID len:%d\n", bi->SSID_len));
		return -EINVAL;
	}

	aflags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL;
	notif_bss_info = (struct wl_cfg80211_bss_info *)MALLOCZ(cfg->osh,
		sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
	if (unlikely(!notif_bss_info)) {
		WL_ERR(("notif_bss_info alloc failed\n"));
		return -ENOMEM;
	}
	mgmt = (struct ieee80211_mgmt *)notif_bss_info->frame_buf;
	chanspec = wl_chspec_driver_to_host(bi->chanspec);
	notif_bss_info->channel = wf_chspec_ctlchan(chanspec);

	if (notif_bss_info->channel <= CH_MAX_2G_CHANNEL)
		band = wiphy->bands[IEEE80211_BAND_2GHZ];
	else
		band = wiphy->bands[IEEE80211_BAND_5GHZ];
	if (!band) {
		WL_ERR(("No valid band\n"));
		MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
			+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
		return -EINVAL;
	}
	notif_bss_info->rssi = dtoh16(bi->RSSI);
#if defined(RSSIAVG)
	notif_bss_info->rssi = wl_get_avg_rssi(&cfg->g_rssi_cache_ctrl, &bi->BSSID);
	if (notif_bss_info->rssi == RSSI_MINVAL)
		notif_bss_info->rssi = MIN(dtoh16(bi->RSSI), RSSI_MAXVAL);
#endif
#if defined(RSSIOFFSET)
	notif_bss_info->rssi = wl_update_rssi_offset(bcmcfg_to_prmry_ndev(cfg), notif_bss_info->rssi);
#endif
#if !defined(RSSIAVG) && !defined(RSSIOFFSET)
	// terence 20150419: limit the max. rssi to -2 or the bss will be filtered out in android OS
	notif_bss_info->rssi = MIN(notif_bss_info->rssi, RSSI_MAXVAL);
#endif
	memcpy(mgmt->bssid, &bi->BSSID, ETHER_ADDR_LEN);
	mgmt_type = cfg->active_scan ?
		IEEE80211_STYPE_PROBE_RESP : IEEE80211_STYPE_BEACON;
	if (!memcmp(bi->SSID, sr->ssid.SSID, bi->SSID_len)) {
	    mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | mgmt_type);
	}
	beacon_proberesp = cfg->active_scan ?
		(struct beacon_proberesp *)&mgmt->u.probe_resp :
		(struct beacon_proberesp *)&mgmt->u.beacon;
	beacon_proberesp->timestamp = 0;
	beacon_proberesp->beacon_int = cpu_to_le16(bi->beacon_period);
	beacon_proberesp->capab_info = cpu_to_le16(bi->capability);
	wl_rst_ie(cfg);
	wl_update_hidden_ap_ie(bi, ((u8 *) bi) + bi->ie_offset, &bi->ie_length, update_ssid);
	wl_mrg_ie(cfg, ((u8 *) bi) + bi->ie_offset, bi->ie_length);
	wl_cp_ie(cfg, beacon_proberesp->variable, WL_BSS_INFO_MAX -
		offsetof(struct wl_cfg80211_bss_info, frame_buf));
	notif_bss_info->frame_len = offsetof(struct ieee80211_mgmt,
		u.beacon.variable) + wl_get_ielen(cfg);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
	freq = ieee80211_channel_to_frequency(notif_bss_info->channel);
	(void)band->band;
#else
	freq = ieee80211_channel_to_frequency(notif_bss_info->channel, band->band);
#endif // endif
	if (freq == 0) {
		WL_ERR(("Invalid channel, fail to change channel to freq\n"));
		MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
			+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
		return -EINVAL;
	}
	channel = ieee80211_get_channel(wiphy, freq);
	memcpy(tmp_buf, bi->SSID, bi->SSID_len);
	tmp_buf[bi->SSID_len] = '\0';
	WL_SCAN(("BSSID %pM, channel %3d(%3d %sMHz), rssi %3d, capa 0x04%x, mgmt_type %d, "
		"frame_len %d, SSID \"%s\"\n",
		&bi->BSSID, notif_bss_info->channel, CHSPEC_CHANNEL(chanspec),
		CHSPEC_IS20(chanspec)?"20":
		CHSPEC_IS40(chanspec)?"40":
		CHSPEC_IS80(chanspec)?"80":"160",
		notif_bss_info->rssi, mgmt->u.beacon.capab_info, mgmt_type,
		notif_bss_info->frame_len, tmp_buf));
	if (unlikely(!channel)) {
		WL_ERR(("ieee80211_get_channel error, freq=%d, channel=%d\n",
			freq, notif_bss_info->channel));
		MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
			+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
		return -EINVAL;
	}

	signal = notif_bss_info->rssi * 100;
	if (!mgmt->u.probe_resp.timestamp) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
		struct osl_timespec ts;
		osl_get_monotonic_boottime(&ts);
		mgmt->u.probe_resp.timestamp = ((u64)ts.tv_sec*1000000)
				+ ts.tv_nsec / 1000;
#else
		struct osl_timespec tv;
		osl_do_gettimeofday(&tv);
		mgmt->u.probe_resp.timestamp = ((u64)tv.tv_sec*1000000)
				+ tv.tv_usec;
#endif // endif
	}

	cbss = cfg80211_inform_bss_frame(wiphy, channel, mgmt,
		le16_to_cpu(notif_bss_info->frame_len), signal, aflags);
	if (unlikely(!cbss)) {
		WL_ERR(("cfg80211_inform_bss_frame error bssid " MACDBG " channel %d \n",
			MAC2STRDBG((u8*)(&bi->BSSID)), notif_bss_info->channel));
		err = -EINVAL;
		goto out_err;
	}

	CFG80211_PUT_BSS(wiphy, cbss);

	if (CAN_SLEEP() && DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID) &&
			(cfg->sched_scan_req && !cfg->scan_request)) {
		alloc_len = sizeof(log_conn_event_t) + IEEE80211_MAX_SSID_LEN + sizeof(uint16) +
			sizeof(int16);
		event_data = (log_conn_event_t *)MALLOCZ(dhdp->osh, alloc_len);
		if (!event_data) {
			WL_ERR(("%s: failed to allocate the log_conn_event_t with "
				"length(%d)\n", __func__, alloc_len));
			goto out_err;
		}
		tlv_len = 3 * sizeof(tlv_log);
		event_data->tlvs = (tlv_log *)MALLOCZ(cfg->osh, tlv_len);
		if (!event_data->tlvs) {
			WL_ERR(("%s: failed to allocate the log_conn_event_t with "
				"length(%d)\n", __func__, tlv_len));
			goto free_evt_data;
		}

		payload_len = sizeof(log_conn_event_t);
		event_data->event = WIFI_EVENT_DRIVER_PNO_SCAN_RESULT_FOUND;
		tlv_data = event_data->tlvs;

		/* ssid */
		tlv_data->tag = WIFI_TAG_SSID;
		tlv_data->len = bi->SSID_len;
		memcpy(tlv_data->value, bi->SSID, bi->SSID_len);
		payload_len += TLV_LOG_SIZE(tlv_data);
		tlv_data = TLV_LOG_NEXT(tlv_data);

		/* channel */
		tlv_data->tag = WIFI_TAG_CHANNEL;
		tlv_data->len = sizeof(uint16);
		memcpy(tlv_data->value, &notif_bss_info->channel, sizeof(uint16));
		payload_len += TLV_LOG_SIZE(tlv_data);
		tlv_data = TLV_LOG_NEXT(tlv_data);

		/* rssi */
		tlv_data->tag = WIFI_TAG_RSSI;
		tlv_data->len = sizeof(int16);
		memcpy(tlv_data->value, &notif_bss_info->rssi, sizeof(int16));
		payload_len += TLV_LOG_SIZE(tlv_data);
		tlv_data = TLV_LOG_NEXT(tlv_data);

		dhd_os_push_push_ring_data(dhdp, DHD_EVENT_RING_ID,
			event_data, payload_len);
		MFREE(dhdp->osh, event_data->tlvs, tlv_len);
free_evt_data:
		MFREE(dhdp->osh, event_data, alloc_len);
	}

out_err:
	MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
			+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
	return err;
}

static bool wl_is_linkup(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e, struct net_device *ndev)
{
	u32 event = ntoh32(e->event_type);
	u32 status =  ntoh32(e->status);
	u16 flags = ntoh16(e->flags);
#if defined(CUSTOM_SET_ANTNPM)
	dhd_pub_t *dhd;
	dhd = (dhd_pub_t *)(cfg->pub);
#endif // endif

	WL_DBG(("event %d, status %d flags %x\n", event, status, flags));
	if (event == WLC_E_SET_SSID) {
		if (status == WLC_E_STATUS_SUCCESS) {
#ifdef CUSTOM_SET_ANTNPM
			if (dhd->mimo_ant_set) {
				int err = 0;

				WL_ERR(("[WIFI_SEC] mimo_ant_set = %d\n", dhd->mimo_ant_set));
				err = wldev_iovar_setint(ndev, "txchain", dhd->mimo_ant_set);
				if (err != 0) {
					WL_ERR(("[WIFI_SEC] Fail set txchain\n"));
				}
				err = wldev_iovar_setint(ndev, "rxchain", dhd->mimo_ant_set);
				if (err != 0) {
					WL_ERR(("[WIFI_SEC] Fail set rxchain\n"));
				}
			}
#endif /* CUSTOM_SET_ANTNPM */
			if (!wl_is_ibssmode(cfg, ndev))
				return true;
		}
	} else if (event == WLC_E_LINK) {
		if (flags & WLC_EVENT_MSG_LINK)
			return true;
	}

	WL_DBG(("wl_is_linkup false\n"));
	return false;
}

static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e)
{
	u32 event = ntoh32(e->event_type);
	u16 flags = ntoh16(e->flags);

	if (event == WLC_E_DEAUTH_IND ||
	event == WLC_E_DISASSOC_IND ||
	event == WLC_E_DISASSOC ||
	event == WLC_E_DEAUTH) {
		WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event)));
		return true;
	} else if (event == WLC_E_LINK) {
		if (!(flags & WLC_EVENT_MSG_LINK)) {
			WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event)));
			return true;
		}
	}

	return false;
}

static bool wl_is_nonetwork(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e)
{
	u32 event = ntoh32(e->event_type);
	u32 status = ntoh32(e->status);

	if (event == WLC_E_LINK && status == WLC_E_STATUS_NO_NETWORKS)
		return true;
	if (event == WLC_E_SET_SSID && status != WLC_E_STATUS_SUCCESS)
		return true;
	if (event == WLC_E_ASSOC_RESP_IE && status != WLC_E_STATUS_SUCCESS)
		return true;

	return false;
}

#ifdef WL_SAE
static s32
wl_cfg80211_event_sae_key(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	wl_sae_key_info_t *sae_key)
{
	struct sk_buff *skb;
	gfp_t kflags;
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	int err = BCME_OK;

	kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
#if (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || \
	LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
	skb = cfg80211_vendor_event_alloc(wiphy, ndev_to_wdev(ndev), BRCM_SAE_VENDOR_EVENT_BUF_LEN,
		BRCM_VENDOR_EVENT_SAE_KEY, kflags);
#else
	skb = cfg80211_vendor_event_alloc(wiphy, BRCM_SAE_VENDOR_EVENT_BUF_LEN,
		BRCM_VENDOR_EVENT_SAE_KEY, kflags);
#endif /* (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || */
		/* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) */
	if (!skb) {
		WL_ERR(("skb alloc failed"));
		err = BCME_NOMEM;
		goto done;
	}

	WL_INFORM_MEM(("Received Sae Key event for "MACDBG" key length %x %x",
		MAC2STRDBG(sae_key->peer_mac), sae_key->pmk_len, sae_key->pmkid_len));
	nla_put(skb, BRCM_SAE_KEY_ATTR_PEER_MAC, ETHER_ADDR_LEN, sae_key->peer_mac);
	nla_put(skb, BRCM_SAE_KEY_ATTR_PMK, sae_key->pmk_len, sae_key->pmk);
	nla_put(skb, BRCM_SAE_KEY_ATTR_PMKID, sae_key->pmkid_len, sae_key->pmkid);
	cfg80211_vendor_event(skb, kflags);

done:
	return err;
}

static s32
wl_bss_handle_sae_auth(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *event, void *data)
{
	int err = BCME_OK;
	uint status = ntoh32(event->status);
	wl_auth_event_t *auth_data;
	wl_sae_key_info_t sae_key;
	uint16 tlv_buf_len;

	if (status == WLC_E_STATUS_SUCCESS) {
		auth_data = (wl_auth_event_t *)data;
		if (auth_data->version != WL_AUTH_EVENT_DATA_V1) {
			WL_ERR(("unknown auth event data version %x\n",
				auth_data->version));
			err = BCME_VERSION;
			goto done;
		}

		tlv_buf_len = auth_data->length - WL_AUTH_EVENT_FIXED_LEN_V1;

		/* check if PMK info present */
		sae_key.pmk = bcm_get_data_from_xtlv_buf(auth_data->xtlvs, tlv_buf_len,
			WL_AUTH_PMK_TLV_ID, &(sae_key.pmk_len), BCM_XTLV_OPTION_ALIGN32);
		if (!sae_key.pmk || !sae_key.pmk_len) {
			WL_ERR(("Mandatory PMK info not present"));
			err = BCME_NOTFOUND;
			goto done;
		}
		/* check if PMKID info present */
		sae_key.pmkid = bcm_get_data_from_xtlv_buf(auth_data->xtlvs, tlv_buf_len,
			WL_AUTH_PMKID_TLV_ID, &(sae_key.pmkid_len), BCM_XTLV_OPTION_ALIGN32);
		if (!sae_key.pmkid || !sae_key.pmkid_len) {
			WL_ERR(("Mandatory PMKID info not present\n"));
			err = BCME_NOTFOUND;
			goto done;
		}
		memcpy_s(sae_key.peer_mac, ETHER_ADDR_LEN, event->addr.octet, ETHER_ADDR_LEN);
		err = wl_cfg80211_event_sae_key(cfg, ndev, &sae_key);
		if (err) {
			WL_ERR(("Failed to event sae key info\n"));
		}
	} else {
		WL_ERR(("sae auth status failure:%d\n", status));
	}
done:
	return err;
}
#endif /* WL_SAE */

static s32
wl_get_auth_assoc_status(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data)
{
	u32 reason = ntoh32(e->reason);
	u32 event = ntoh32(e->event_type);
#ifdef WL_SAE
	uint auth_type = ntoh32(e->auth_type);
#endif /* WL_SAE */
	struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
	WL_DBG(("event type : %d, reason : %d\n", event, reason));

	if (sec) {
		switch (event) {
		case WLC_E_ASSOC:
		case WLC_E_AUTH:
		case WLC_E_AUTH_IND:
			sec->auth_assoc_res_status = reason;
#ifdef WL_SAE
			if ((event == WLC_E_AUTH || event == WLC_E_AUTH_IND) &&
				auth_type == DOT11_SAE) {
				wl_bss_handle_sae_auth(cfg, ndev, e, data);
			}
#endif /* WL_SAE */
			break;
		default:
			break;
		}
	} else {
		WL_ERR(("sec is NULL\n"));
	}
	return 0;
}

/* The mainline kernel >= 3.2.0 has support for indicating new/del station
 * to AP/P2P GO via events. If this change is backported to kernel for which
 * this driver is being built, then define WL_CFG80211_STA_EVENT. You
 * should use this new/del sta event mechanism for BRCM supplicant >= 22.
 */
static s32
wl_notify_connect_status_ap(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data)
{
	s32 err = 0;
	u32 event = ntoh32(e->event_type);
	u32 reason = ntoh32(e->reason);
	u32 len = ntoh32(e->datalen);
	u32 status = ntoh32(e->status);

#if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \
	(LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0))
	bool isfree = false;
	u8 *mgmt_frame;
	u8 bsscfgidx = e->bsscfgidx;
	s32 freq;
	s32 channel;
	u8 *body = NULL;
	u16 fc = 0;
	u32 body_len = 0;

	struct ieee80211_supported_band *band;
	struct ether_addr da;
	struct ether_addr bssid;
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	channel_info_t ci;
	u8 ioctl_buf[WLC_IOCTL_SMLEN];
#else
	struct station_info sinfo;
#endif /* (LINUX_VERSION < VERSION(3,2,0)) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */

	WL_INFORM_MEM(("[%s] Mode AP/GO. Event:%d status:%d reason:%d\n",
		ndev->name, event, ntoh32(e->status), reason));

	if (event == WLC_E_AUTH_IND) {
		wl_get_auth_assoc_status(cfg, ndev, e, data);
		return 0;
	}
	/* if link down, bsscfg is disabled. */
	if (event == WLC_E_LINK && reason == WLC_E_LINK_BSSCFG_DIS &&
		wl_get_p2p_status(cfg, IF_DELETING) && (ndev != bcmcfg_to_prmry_ndev(cfg))) {
		wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false);
		WL_MSG(ndev->name, "AP mode link down !! \n");
		complete(&cfg->iface_disable);
		return 0;
	}

	if ((event == WLC_E_LINK) && (status == WLC_E_STATUS_SUCCESS) &&
		(reason == WLC_E_REASON_INITIAL_ASSOC) &&
		(wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP)) {
		if (!wl_get_drv_status(cfg, AP_CREATED, ndev)) {
			/* AP/GO brought up successfull in firmware */
			WL_MSG(ndev->name, "AP/GO Link up\n");
			wl_set_drv_status(cfg, AP_CREATED, ndev);
			OSL_SMP_WMB();
			wake_up_interruptible(&cfg->netif_change_event);
#ifdef WL_BCNRECV
			/* check fakeapscan is in progress, if progress then abort */
			wl_android_bcnrecv_stop(ndev, WL_BCNRECV_CONCURRENCY);
#endif /* WL_BCNRECV */
			wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_AP_ENABLED, NULL);
			return 0;
		}
	}

	if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND || event == WLC_E_DEAUTH) {
		WL_MSG(ndev->name, "event %s(%d) status %d reason %d\n",
		bcmevent_get_name(event), event, ntoh32(e->status), reason);
	}

#if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \
	(LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0))
	WL_DBG(("Enter \n"));
	if (!len && (event == WLC_E_DEAUTH)) {
		len = 2; /* reason code field */
		data = &reason;
	}
	if (len) {
		body = (u8 *)MALLOCZ(cfg->osh, len);
		if (body == NULL) {
			WL_ERR(("Failed to allocate body\n"));
			return WL_INVALID;
		}
	}
	bzero(&bssid, ETHER_ADDR_LEN);
	WL_DBG(("Enter event %d ndev %p\n", event, ndev));
	if (wl_get_mode_by_netdev(cfg, ndev) == WL_INVALID) {
		MFREE(cfg->osh, body, len);
		return WL_INVALID;
	}
	if (len)
		memcpy(body, data, len);

	wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr",
		NULL, 0, ioctl_buf, sizeof(ioctl_buf), bsscfgidx, NULL);
	memcpy(da.octet, ioctl_buf, ETHER_ADDR_LEN);
	bzero(&bssid, sizeof(bssid));
	err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN);
	switch (event) {
		case WLC_E_ASSOC_IND:
			fc = FC_ASSOC_REQ;
			break;
		case WLC_E_REASSOC_IND:
			fc = FC_REASSOC_REQ;
			break;
		case WLC_E_DISASSOC_IND:
			fc = FC_DISASSOC;
			break;
		case WLC_E_DEAUTH_IND:
			fc = FC_DISASSOC;
			break;
		case WLC_E_DEAUTH:
			fc = FC_DISASSOC;
			break;
		default:
			fc = 0;
			goto exit;
	}
	bzero(&ci, sizeof(ci));
	if ((err = wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci)))) {
		MFREE(cfg->osh, body, len);
		return err;
	}

	channel = dtoh32(ci.hw_channel);
	if (channel <= CH_MAX_2G_CHANNEL)
		band = wiphy->bands[IEEE80211_BAND_2GHZ];
	else
		band = wiphy->bands[IEEE80211_BAND_5GHZ];
	if (!band) {
		WL_ERR(("No valid band\n"));
		if (body) {
			MFREE(cfg->osh, body, len);
		}
		return -EINVAL;
	}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
	freq = ieee80211_channel_to_frequency(channel);
	(void)band->band;
#else
	freq = ieee80211_channel_to_frequency(channel, band->band);
#endif // endif
	body_len = len;
	err = wl_frame_get_mgmt(cfg, fc, &da, &e->addr, &bssid,
		&mgmt_frame, &len, body);
	if (err < 0)
		goto exit;
	isfree = true;

	if ((event == WLC_E_ASSOC_IND && reason == DOT11_SC_SUCCESS) ||
			(event == WLC_E_DISASSOC_IND) ||
			((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH))) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
		cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
		cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0, GFP_ATOMIC);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \
		defined(WL_COMPAT_WIRELESS)
		cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC);
#else
		cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC);
#endif /* LINUX_VERSION >= VERSION(3, 18,0) || WL_COMPAT_WIRELESS */
	}

exit:
	if (isfree) {
		MFREE(cfg->osh, mgmt_frame, len);
	}
	if (body) {
		MFREE(cfg->osh, body, body_len);
	}
#else /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */
	memset(&sinfo, 0, sizeof(struct station_info));
	sinfo.filled = 0;
	if (((event == WLC_E_ASSOC_IND) || (event == WLC_E_REASSOC_IND)) &&
		reason == DOT11_SC_SUCCESS) {
		/* Linux ver >= 4.0 assoc_req_ies_len is used instead of
		 * STATION_INFO_ASSOC_REQ_IES flag
		 */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0))
		sinfo.filled = STA_INFO_BIT(INFO_ASSOC_REQ_IES);
#endif /*  (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) */
		if (!data) {
			WL_ERR(("No IEs present in ASSOC/REASSOC_IND"));
			return -EINVAL;
		}
		sinfo.assoc_req_ies = data;
		sinfo.assoc_req_ies_len = len;
		WL_MSG(ndev->name, "new sta event for "MACDBG "\n",
			MAC2STRDBG(e->addr.octet));
		wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS,
			WL_EXT_STATUS_STA_CONNECTED, NULL);
		cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC);
#ifdef WL_WPS_SYNC
		wl_wps_session_update(ndev, WPS_STATE_LINKUP, e->addr.octet);
#endif /* WL_WPS_SYNC */
	} else if ((event == WLC_E_DEAUTH_IND) ||
		((event == WLC_E_DEAUTH) && (reason != DOT11_RC_RESERVED)) ||
		(event == WLC_E_DISASSOC_IND)) {
		WL_MSG(ndev->name, "del sta event for "MACDBG "\n",
			MAC2STRDBG(e->addr.octet));
		wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS,
			WL_EXT_STATUS_STA_DISCONNECTED, NULL);
		cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC);
#ifdef WL_WPS_SYNC
		wl_wps_session_update(ndev, WPS_STATE_LINKDOWN, e->addr.octet);
#endif /* WL_WPS_SYNC */
	}
#endif /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */
	return err;
}

static s32
wl_notify_connect_status_ibss(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data)
{
	s32 err = 0;
	u32 event = ntoh32(e->event_type);
	u16 flags = ntoh16(e->flags);
	u32 status =  ntoh32(e->status);
	bool active;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
	struct ieee80211_channel *channel = NULL;
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	u32 chanspec, chan;
	u32 freq, band;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */

	if (event == WLC_E_JOIN) {
		WL_INFORM_MEM(("[%s] joined in IBSS network\n", ndev->name));
	}
	if (event == WLC_E_START) {
		WL_INFORM_MEM(("[%s] started IBSS network\n", ndev->name));
	}
	if (event == WLC_E_JOIN || event == WLC_E_START ||
		(event == WLC_E_LINK && (flags == WLC_EVENT_MSG_LINK))) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
		err = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec);
		if (unlikely(err)) {
			WL_ERR(("Could not get chanspec %d\n", err));
			return err;
		}
		chan = wf_chspec_ctlchan(wl_chspec_driver_to_host(chanspec));
		band = (chan <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
		freq = ieee80211_channel_to_frequency(chan, band);
		channel = ieee80211_get_channel(wiphy, freq);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */
		if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
			/* ROAM or Redundant */
			u8 *cur_bssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
			if (memcmp(cur_bssid, &e->addr, ETHER_ADDR_LEN) == 0) {
				WL_DBG(("IBSS connected event from same BSSID("
					MACDBG "), ignore it\n", MAC2STRDBG(cur_bssid)));
				return err;
			}
			WL_INFORM_MEM(("[%s] IBSS BSSID is changed from " MACDBG " to " MACDBG "\n",
				ndev->name, MAC2STRDBG(cur_bssid),
				MAC2STRDBG((const u8 *)&e->addr)));
			wl_get_assoc_ies(cfg, ndev);
			wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);
			wl_update_bss_info(cfg, ndev, false);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
			cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, channel, GFP_KERNEL);
#else
			cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, GFP_KERNEL);
#endif // endif
		}
		else {
			/* New connection */
			WL_INFORM_MEM(("[%s] IBSS connected to " MACDBG "\n",
				ndev->name, MAC2STRDBG((const u8 *)&e->addr)));
			wl_link_up(cfg);
			wl_get_assoc_ies(cfg, ndev);
			wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);
			wl_update_bss_info(cfg, ndev, false);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
			cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, channel, GFP_KERNEL);
#else
			cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, GFP_KERNEL);
#endif // endif
			wl_set_drv_status(cfg, CONNECTED, ndev);
			active = true;
			wl_update_prof(cfg, ndev, NULL, (const void *)&active, WL_PROF_ACT);
		}
	} else if ((event == WLC_E_LINK && !(flags & WLC_EVENT_MSG_LINK)) ||
		event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) {
		wl_clr_drv_status(cfg, CONNECTED, ndev);
		wl_link_down(cfg);
		wl_init_prof(cfg, ndev);
	}
	else if (event == WLC_E_SET_SSID && status == WLC_E_STATUS_NO_NETWORKS) {
		WL_INFORM_MEM(("no action - join fail (IBSS mode)\n"));
	}
	else {
		WL_DBG(("no action (IBSS mode)\n"));
}
	return err;
}

void wl_cfg80211_disassoc(struct net_device *ndev, uint32 reason)
{
	scb_val_t scbval;
	s32 err;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	BCM_REFERENCE(cfg);
	BCM_REFERENCE(dhdp);
	DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START),
		dhd_net2idx(dhdp->info, ndev), WLAN_REASON_DEAUTH_LEAVING);

	memset_s(&scbval, sizeof(scb_val_t), 0x0, sizeof(scb_val_t));
	scbval.val = htod32(reason);
	err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t));
	if (err < 0) {
		WL_ERR(("WLC_DISASSOC error %d\n", err));
	}
}
void wl_cfg80211_del_all_sta(struct net_device *ndev, uint32 reason)
{
	struct net_device *dev;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	scb_val_t scb_val;
	int err;
	char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV *
		sizeof(struct ether_addr) + sizeof(uint)] = {0};
	struct maclist *assoc_maclist = (struct maclist *)mac_buf;
	int num_associated = 0;

	dev = ndev_to_wlc_ndev(ndev, cfg);

	if (p2p_is_on(cfg)) {
		/* Suspend P2P discovery search-listen to prevent it from changing the
		 * channel.
		 */
		if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) {
			WL_ERR(("Can not disable discovery mode\n"));
			return;
		}
	}

	assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV;
	err = wldev_ioctl_get(ndev, WLC_GET_ASSOCLIST,
		assoc_maclist, sizeof(mac_buf));
	if (err < 0)
		WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err));
	else
		num_associated = assoc_maclist->count;

	memset(scb_val.ea.octet, 0xff, ETHER_ADDR_LEN);
	scb_val.val = DOT11_RC_DEAUTH_LEAVING;
	scb_val.val = htod32(reason);
	err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val,
			sizeof(scb_val_t));
	if (err < 0) {
		WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err));
	}

	if (num_associated > 0)
		wl_delay(400);

	return;
}
/* API to handle the Deauth from the AP.
* For now we are deleting the PMKID cache in DHD/FW
* in case of current connection is using SAE authnetication
*/
static s32
wl_cfg80211_handle_deauth_ind(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data)
{
	int err = BCME_OK;
#ifdef WL_SAE
	uint8 bssid[ETHER_ADDR_LEN];
	struct cfg80211_pmksa pmksa;
	s32 val = 0;

	err = wldev_iovar_getint(ndev, "wpa_auth", &val);
	if (unlikely(err)) {
		WL_ERR(("could not get wpa_auth (%d)\n", err));
		goto done;
	}
	if (val == WPA3_AUTH_SAE_PSK) {
		(void)memcpy_s(bssid, ETHER_ADDR_LEN,
		(const uint8*)&e->addr, ETHER_ADDR_LEN);
		memset_s(&pmksa, sizeof(pmksa), 0, sizeof(pmksa));
		pmksa.bssid = bssid;
		WL_INFORM_MEM(("Deleting the PMKSA for SAE AP "MACDBG,
			MAC2STRDBG(e->addr.octet)));
		wl_cfg80211_del_pmksa(cfg->wdev->wiphy, ndev, &pmksa);
	}
done:
#endif /* WL_SAE */
	return err;
}

static void
wl_cache_assoc_resp_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data)
{
	struct wl_connect_info *conn_info = wl_to_conn(cfg);
	u32 datalen = ntoh32(e->datalen);
	u32 event_type = ntoh32(e->event_type);

	if (datalen > VNDR_IE_MIN_LEN &&
		datalen < VNDR_IE_MAX_LEN &&
		data) {
		conn_info->resp_ie_len = datalen;
		WL_DBG((" assoc resp IES len = %d\n", conn_info->resp_ie_len));
		bzero(conn_info->resp_ie, sizeof(conn_info->resp_ie));
		(void)memcpy_s(conn_info->resp_ie, sizeof(conn_info->resp_ie),
			data, datalen);

		WL_INFORM_MEM(("[%s] copied assoc resp ies, sent to upper layer:"
			"event %d reason=%d ie_len=%d from " MACDBG "\n",
			ndev->name,	event_type, ntoh32(e->reason), datalen,
			MAC2STRDBG((const u8*)(&e->addr))));
	}
}

static s32
wl_notify_connect_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	bool act;
	struct net_device *ndev = NULL;
	s32 err = 0;
	u32 event = ntoh32(e->event_type);
	u32 datalen = ntoh32(e->datalen);
	struct wiphy *wiphy = NULL;
	struct cfg80211_bss *bss = NULL;
	struct wlc_ssid *ssid = NULL;
	u8 *bssid = 0;
	s32 bssidx = 0;
	u8 *ie_ptr = NULL;
	uint32 ie_len = 0;
#ifdef WL_ANALYTICS
	struct parsed_vndr_ies disco_vndr_ie;
	struct parsed_vndr_ie_info *vndrie_info = NULL;
	uint32 i = 0;
#endif /* WL_ANALYTICS */

	dhd_pub_t *dhdp;
	u32 mode;
	int vndr_oui_num = 0;
	char vndr_oui[MAX_VNDR_OUI_STR_LEN] = {0, };
	bool loc_gen = false;
#ifdef DHD_LOSSLESS_ROAMING
	struct wl_security *sec;
#endif /* DHD_LOSSLESS_ROAMING */

	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
#ifdef DHD_LOSSLESS_ROAMING
	sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
#endif /* DHD_LOSSLESS_ROAMING */
	dhdp = (dhd_pub_t *)(cfg->pub);
	BCM_REFERENCE(dhdp);

	mode = wl_get_mode_by_netdev(cfg, ndev);
	/* Push link events to upper layer log */
	SUPP_LOG(("[%s] Mode:%d event:%d status:0x%x reason:%d\n",
		ndev->name, mode, ntoh32(e->event_type),
		ntoh32(e->status),  ntoh32(e->reason)));
	if (mode == WL_MODE_AP) {
		err = wl_notify_connect_status_ap(cfg, ndev, e, data);
	} else if (mode == WL_MODE_IBSS) {
		err = wl_notify_connect_status_ibss(cfg, ndev, e, data);
	} else if (mode == WL_MODE_BSS) {
		WL_INFORM_MEM(("[%s] Mode BSS. event:%d status:%d reason:%d\n",
			ndev->name, ntoh32(e->event_type),
			ntoh32(e->status),  ntoh32(e->reason)));

		if (!wl_get_drv_status(cfg, CFG80211_CONNECT, ndev)) {
			/* Join attempt via non-cfg80211 interface.
			 * Don't send resultant events to cfg80211
			 * layer
			 */
			WL_INFORM_MEM(("Event received in non-cfg80211"
				" connect state. Ignore\n"));
			return BCME_OK;
		}

		if (event == WLC_E_ASSOC || event == WLC_E_AUTH) {
			wl_get_auth_assoc_status(cfg, ndev, e, data);
			return 0;
		}
		if (event == WLC_E_ASSOC_RESP_IE) {
			if (ntoh32(e->status) != WLC_E_STATUS_SUCCESS) {
				wl_cache_assoc_resp_ies(cfg, ndev, e, data);
			}
			return 0;
		}

		DHD_DISABLE_RUNTIME_PM((dhd_pub_t *)cfg->pub);
		if (wl_is_linkup(cfg, e, ndev)) {
			wl_link_up(cfg);
			act = true;
			if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
				WL_INFORM_MEM(("[%s] link up for bssid " MACDBG "\n",
					ndev->name, MAC2STRDBG((const u8*)(&e->addr))));
				if ((event == WLC_E_LINK) &&
					(ntoh16(e->flags) & WLC_EVENT_MSG_LINK) &&
					!wl_get_drv_status(cfg, CONNECTED, ndev) &&
					!wl_get_drv_status(cfg, CONNECTING, ndev)) {
					WL_INFORM_MEM(("link up in non-connected/"
						"non-connecting state\n"));
					wl_cfg80211_disassoc(ndev, WLAN_REASON_DEAUTH_LEAVING);
					return BCME_OK;
				}

#ifdef WL_WPS_SYNC
				/* Avoid invocation for Roam cases */
				if ((event == WLC_E_LINK) &&
					!wl_get_drv_status(cfg, CONNECTED, ndev)) {
					wl_wps_session_update(ndev,
						WPS_STATE_LINKUP, e->addr.octet);
				}
#endif /* WL_WPS_SYNC */

				if (event == WLC_E_LINK &&
#ifdef DHD_LOSSLESS_ROAMING
					!cfg->roam_offload &&
					!IS_AKM_SUITE_FT(sec) &&
#endif /* DHD_LOSSLESS_ROAMING */
					wl_get_drv_status(cfg, CONNECTED, ndev)) {
					wl_bss_roaming_done(cfg, ndev, e, data);
					/* Arm pkt logging timer */
					dhd_dump_mod_pkt_timer(dhdp, PKT_CNT_RSN_ROAM);
				} else {
					/* Initial Association */
					wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT);
					wl_bss_connect_done(cfg, ndev, e, data, true);
					if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
						vndr_oui_num = wl_vndr_ies_get_vendor_oui(cfg,
							ndev, vndr_oui, ARRAY_SIZE(vndr_oui));
						if (vndr_oui_num > 0) {
							WL_INFORM_MEM(("[%s] vendor oui: %s\n",
								ndev->name, vndr_oui));
						}
					}
					if (event == WLC_E_LINK) {
						/* Arm pkt logging timer */
						dhd_dump_mod_pkt_timer(dhdp, PKT_CNT_RSN_CONNECT);
					}
					WL_DBG(("joined in BSS network \"%s\"\n",
						((struct wlc_ssid *)wl_read_prof(cfg, ndev,
							WL_PROF_SSID))->SSID));
				}
			}
			wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT);
			wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);
		} else if (wl_is_linkdown(cfg, e) ||
				((event == WLC_E_SET_SSID) &&
				(ntoh32(e->status) != WLC_E_STATUS_SUCCESS) &&
				(wl_get_drv_status(cfg, CONNECTED, ndev)))) {
			if (wl_is_linkdown(cfg, e)) {
				/* Clear IEs for disaasoc */
				if ((bssidx = wl_get_bssidx_by_wdev(cfg,
					ndev->ieee80211_ptr)) < 0) {
					WL_ERR(("Find index failed\n"));
				} else {
					WL_ERR(("link down--clearing disconnect IEs\n"));
					if ((err =  wl_cfg80211_set_mgmt_vndr_ies(cfg,
						ndev_to_cfgdev(ndev), bssidx, VNDR_IE_DISASSOC_FLAG,
						NULL, 0)) != BCME_OK) {
						WL_ERR(("Failed to clear ies err = %d\n", err));
						}
					}
				}

			WL_INFORM_MEM(("link down. connection state bit status: [%u:%u:%u:%u]\n",
				wl_get_drv_status(cfg, CONNECTING, ndev),
				wl_get_drv_status(cfg, CONNECTED, ndev),
				wl_get_drv_status(cfg, DISCONNECTING, ndev),
				wl_get_drv_status(cfg, NESTED_CONNECT, ndev)));

#ifdef WL_WPS_SYNC
			{
				u8 wps_state;
				if ((event == WLC_E_SET_SSID) &&
					(ntoh32(e->status) != WLC_E_STATUS_SUCCESS)) {
					/* connect fail */
					wps_state = WPS_STATE_CONNECT_FAIL;
				} else {
					wps_state = WPS_STATE_LINKDOWN;
				}
				if (wl_wps_session_update(ndev,
					wps_state, e->addr.octet) == BCME_UNSUPPORTED) {
					/* Unexpected event. Ignore it. */
					return 0;
				}
		}
#endif /* WL_WPS_SYNC */

			if (wl_get_drv_status(cfg, DISCONNECTING, ndev) &&
				(wl_get_drv_status(cfg, NESTED_CONNECT, ndev) ||
				wl_get_drv_status(cfg, CONNECTING, ndev))) {
				/* wl_cfg80211_connect was called before 'DISCONNECTING' was
				 * cleared. Deauth/Link down event is caused by WLC_DISASSOC
				 * command issued from the wl_cfg80211_connect context. Ignore
				 * the event to avoid pre-empting the current connection
				 */
				WL_DBG(("Nested connection case. Drop event. \n"));
				wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
					WL_EXT_STATUS_DISCONNECTED, NULL);
				wl_clr_drv_status(cfg, NESTED_CONNECT, ndev);
				wl_clr_drv_status(cfg, DISCONNECTING, ndev);
				/* Not in 'CONNECTED' state, clear it */
				wl_clr_drv_status(cfg, CONNECTED, ndev);
				return 0;
			}

			if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
				wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg),
					FW_LOGSET_MASK_ALL);
			}
#ifdef DHD_LOSSLESS_ROAMING
			wl_del_roam_timeout(cfg);
#endif // endif
#ifdef P2PLISTEN_AP_SAMECHN
			if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
				wl_cfg80211_set_p2p_resp_ap_chn(ndev, 0);
				cfg->p2p_resp_apchn_status = false;
				WL_DBG(("p2p_resp_apchn_status Turn OFF \n"));
			}
#endif /* P2PLISTEN_AP_SAMECHN */
			wl_cfg80211_cancel_scan(cfg);

			if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
				u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
				if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) {
					bool fw_assoc_state = TRUE;
					dhd_pub_t *dhd = (dhd_pub_t *)cfg->pub;
					fw_assoc_state = dhd_is_associated(dhd, e->ifidx, &err);
					if (!fw_assoc_state) {
						WL_ERR(("Event sends up even different BSSID"
							" cur: " MACDBG " event: " MACDBG"\n",
							MAC2STRDBG(curbssid),
							MAC2STRDBG((const u8*)(&e->addr))));
					} else {
						WL_ERR(("BSSID of event is not the connected BSSID"
							"(ignore it) cur: " MACDBG
							" event: " MACDBG"\n",
							MAC2STRDBG(curbssid),
							MAC2STRDBG((const u8*)(&e->addr))));
						return 0;
					}
				}
			}
			/* Explicitly calling unlink to remove BSS in CFG */
			wiphy = bcmcfg_to_wiphy(cfg);
			ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
			bssid = (u8 *)wl_read_prof(cfg, ndev, WL_PROF_BSSID);
			if (ssid && bssid) {
				bss = CFG80211_GET_BSS(wiphy, NULL, bssid,
					ssid->SSID, ssid->SSID_len);
				if (bss) {
					cfg80211_unlink_bss(wiphy, bss);
					CFG80211_PUT_BSS(wiphy, bss);
				}
			}

			if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
				scb_val_t scbval;
				u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
				uint32 reason = 0;
				struct ether_addr bssid_dongle = {{0, 0, 0, 0, 0, 0}};
				struct ether_addr bssid_null = {{0, 0, 0, 0, 0, 0}};
#ifdef WL_LATENCY_MODE
				int scan_suppress;
#endif /* WL_LATENCY_MODE */

#ifdef WL_LATENCY_MODE
				/* Restore background scan. */
				scan_suppress = FALSE;
				err = wldev_ioctl_set(ndev, WLC_SET_SCANSUPPRESS,
					&scan_suppress, sizeof(int));
#endif /* WL_LATENCY_MODE */

				if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) {
					reason = ntoh32(e->reason);
					if (reason > WLC_E_DEAUTH_MAX_REASON) {
						WL_ERR(("Event %d original reason is %d, "
							"changed 0xFF\n", event, reason));
						reason = WLC_E_DEAUTH_MAX_REASON;
					}
					wl_cfg80211_handle_deauth_ind(cfg, ndev, e, data);
				}
#ifdef SET_SSID_FAIL_CUSTOM_RC
				if ((event == WLC_E_SET_SSID) &&
					(ntoh32(e->status) == WLC_E_STATUS_TIMEOUT)) {
					reason = SET_SSID_FAIL_CUSTOM_RC;
				}
#endif /* SET_SSID_FAIL_CUSTOM_RC */

				/* roam offload does not sync BSSID always, get it from dongle */
				if (cfg->roam_offload) {
					bzero(&bssid_dongle, sizeof(bssid_dongle));
					if (wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid_dongle,
							sizeof(bssid_dongle)) == BCME_OK) {
						/* if not roam case, it would return null bssid */
						if (memcmp(&bssid_dongle, &bssid_null,
								ETHER_ADDR_LEN) != 0) {
							curbssid = (u8 *)&bssid_dongle;
						}
					}
				}
				if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) {
					bool fw_assoc_state = TRUE;
					dhd_pub_t *dhd = (dhd_pub_t *)cfg->pub;
					fw_assoc_state = dhd_is_associated(dhd, e->ifidx, &err);
					if (!fw_assoc_state) {
						WL_ERR(("Event sends up even different BSSID"
							" cur: " MACDBG " event: " MACDBG"\n",
							MAC2STRDBG(curbssid),
							MAC2STRDBG((const u8*)(&e->addr))));
					} else {
						WL_ERR(("BSSID of event is not the connected BSSID"
							"(ignore it) cur: " MACDBG
							" event: " MACDBG"\n",
							MAC2STRDBG(curbssid),
							MAC2STRDBG((const u8*)(&e->addr))));
						return 0;
					}
				}
#ifdef DBG_PKT_MON
				/* Stop packet monitor */
				if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
					DHD_DBG_PKT_MON_STOP(dhdp);
				}
#endif /* DBG_PKT_MON */
				/* clear RSSI monitor, framework will set new cfg */
#ifdef RSSI_MONITOR_SUPPORT
				dhd_dev_set_rssi_monitor_cfg(bcmcfg_to_prmry_ndev(cfg),
				    FALSE, 0, 0);
#endif /* RSSI_MONITOR_SUPPORT */
				if (!memcmp(ndev->name, WL_P2P_INTERFACE_PREFIX, strlen(WL_P2P_INTERFACE_PREFIX))) {
					// terence 20130703: Fix for wrong group_capab (timing issue)
					cfg->p2p_disconnected = 1;
				}
				memcpy(&cfg->disconnected_bssid, curbssid, ETHER_ADDR_LEN);
				wl_clr_drv_status(cfg, CONNECTED, ndev);

				if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
					DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START),
						dhd_net2idx(dhdp->info, ndev),
						WLAN_REASON_DEAUTH_LEAVING);
					/* To make sure disconnect, explictly send dissassoc
					*  for BSSID 00:00:00:00:00:00 issue
					*/
					scbval.val = WLAN_REASON_DEAUTH_LEAVING;
					WL_INFORM_MEM(("clear fw state\n"));
					memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
					scbval.val = htod32(scbval.val);
					err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval,
						sizeof(scb_val_t));
					if (err < 0) {
						WL_ERR(("WLC_DISASSOC error %d\n", err));
						err = 0;
					}
				}
				if (wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
					loc_gen = true;
				}
				WL_INFORM_MEM(("[%s] Indicate disconnect event to upper layer. "
					"event: %d reason=%d from " MACDBG "\n",
					ndev->name, event, ntoh32(e->reason),
					MAC2STRDBG((const u8*)(&e->addr))));

				DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_DONE),
					dhd_net2idx(dhdp->info, ndev), reason);
				/* Send up deauth and clear states */

				/*
				* FW sends body and body len as a part of deauth
				* and disassoc events (WLC_E_DISASSOC_IND, WLC_E_DEAUTH_IND)
				* The VIEs sits after reason code in the body. Reason code is
				* 2 bytes long.
				*/
				WL_DBG(("recv disconnect ies ie_len = %d\n", ie_len));
				if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND) {
					if ((datalen > DOT11_DISCONNECT_RC) &&
						datalen < (VNDR_IE_MAX_LEN + DOT11_DISCONNECT_RC) &&
						data) {
						ie_ptr = (uchar*)data + DOT11_DISCONNECT_RC;
						ie_len = datalen - DOT11_DISCONNECT_RC;
					}
				} else if (event == WLC_E_LINK &&
						ntoh32(e->reason) == WLC_E_LINK_BCN_LOSS) {
#ifdef WL_ANALYTICS
					/*
					* In case of linkdown, FW sends prb rsp IEs. Disco VIE
					* are appended with prb rsp ies. Remove prb rsp IES and
					* send disco vie to upper layer.
					* Disco VIE has fixed len of 11 octets.
					* As per SS spec.(2 octet header + 9 octet VIE)
					*/
					if (datalen < (VNDR_IE_MAX_LEN + DOT11_DISCONNECT_RC) &&
						datalen >= DOT11_DISCONNECT_RC &&
						((err = wl_cfg80211_parse_vndr_ies(
							(const u8 *)data, datalen,
							&disco_vndr_ie)) == BCME_OK)) {
						for (i = 0; i < disco_vndr_ie.count; i++) {
							vndrie_info = &disco_vndr_ie.ie_info[i];
							if ((vndrie_info->vndrie.id ==
								0xDD) && (!memcmp(
								vndrie_info->vndrie.oui,
								SSE_OUI, DOT11_OUI_LEN)) &&
								(vndrie_info->vndrie.data[0] ==
								VENDOR_ENTERPRISE_STA_OUI_TYPE)) {
							ie_ptr = (u8 *)vndrie_info->ie_ptr;
							ie_len = vndrie_info->ie_len;
							}
						}
					}
#endif /* WL_ANALYTICS */
				}

				CFG80211_DISCONNECTED(ndev, reason, ie_ptr, ie_len,
					loc_gen, GFP_KERNEL);
				WL_INFORM_MEM(("[%s] Disconnect event sent to upper layer"
					"event:%d reason=%d ie_len=%d from " MACDBG "\n",
					ndev->name,	event, ntoh32(e->reason), ie_len,
					MAC2STRDBG((const u8*)(&e->addr))));

				/* Wait for status to be cleared to prevent race condition
				 * issues with connect context
				 */
				wl_cfg80211_disconnect_state_sync(cfg, ndev);
				wl_link_down(cfg);
				wl_init_prof(cfg, ndev);
			}
			else if (wl_get_drv_status(cfg, CONNECTING, ndev)) {
				DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START),
					dhd_net2idx(dhdp->info, ndev), 0);
				WL_INFORM_MEM(("link down, during connecting\n"));
				/* Issue WLC_DISASSOC to prevent FW roam attempts.
				* Do not issue WLC_DISASSOC again if the linkdown  is
				* generated due to local disassoc, to avoid connect-disconnect
				* loop.
				*/
				if (!((event == WLC_E_LINK) &&
					(ntoh32(e->reason) == WLC_E_LINK_DISASSOC) &&
					(ntoh32(e->status) == WLC_E_STATUS_SUCCESS))) {
					err = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0);
					if (err < 0) {
						WL_ERR(("CONNECTING state,"
							" WLC_DISASSOC error %d\n",
							err));
						err = 0;
					}
#ifdef ESCAN_RESULT_PATCH
					if ((memcmp(connect_req_bssid, broad_bssid,
						ETHER_ADDR_LEN) == 0) ||
						(memcmp(&e->addr, broad_bssid,
						ETHER_ADDR_LEN) == 0) ||
						(memcmp(&e->addr, connect_req_bssid,
						ETHER_ADDR_LEN) == 0))
						/* In case this event comes while associating
						* another AP
						*/
#endif /* ESCAN_RESULT_PATCH */
						wl_bss_connect_done(cfg, ndev, e, data, false);
				}
			}
			wl_clr_drv_status(cfg, DISCONNECTING, ndev);
			wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
				WL_EXT_STATUS_DISCONNECTED, NULL);

			/* if link down, bsscfg is diabled */
			if (ndev != bcmcfg_to_prmry_ndev(cfg))
				complete(&cfg->iface_disable);
#ifdef WLTDLS
			/* re-enable TDLS if the number of connected interfaces
			 * is less than 2.
			 */
			wl_cfg80211_tdls_config(cfg, TDLS_STATE_DISCONNECT, false);
#endif /* WLTDLS */
		} else if (wl_is_nonetwork(cfg, e)) {
			WL_ERR(("connect failed event=%d e->status %d e->reason %d \n",
				event, (int)ntoh32(e->status), (int)ntoh32(e->reason)));
			wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
				WL_EXT_STATUS_DISCONNECTED, NULL);
#ifdef WL_WPS_SYNC
			if (wl_wps_session_update(ndev,
				WPS_STATE_CONNECT_FAIL, e->addr.octet) == BCME_UNSUPPORTED) {
				/* Unexpected event. Ignore it. */
				return 0;
			}
#endif /* WL_WPS_SYNC */
			/* Dump FW preserve buffer content */
			wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);

			/* Clean up any pending scan request */
			wl_cfg80211_cancel_scan(cfg);

			if (wl_get_drv_status(cfg, CONNECTING, ndev)) {
				if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
					WL_INFORM_MEM(("wl dissassoc\n"));
					err = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0);
					if (err < 0) {
						WL_ERR(("WLC_DISASSOC error %d\n", err));
						err = 0;
					}
				} else {
					WL_DBG(("connect fail. clear disconnecting bit\n"));
					wl_clr_drv_status(cfg, DISCONNECTING, ndev);
				}
				wl_bss_connect_done(cfg, ndev, e, data, false);
				wl_clr_drv_status(cfg, CONNECTING, ndev);
				WL_INFORM_MEM(("connect fail reported\n"));
			}
		} else {
			WL_DBG(("%s nothing\n", __FUNCTION__));
		}
		DHD_ENABLE_RUNTIME_PM((dhd_pub_t *)cfg->pub);
	} else {
		WL_MSG(ndev->name, "Invalid mode %d event %d status %d\n",
			wl_get_mode_by_netdev(cfg, ndev), ntoh32(e->event_type),
			ntoh32(e->status));
	}
	return err;
}

#ifdef WL_RELMCAST
void wl_cfg80211_set_rmc_pid(struct net_device *dev, int pid)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	if (pid > 0)
		cfg->rmc_event_pid = pid;
	WL_DBG(("set pid for rmc event : pid=%d\n", pid));
}
#endif /* WL_RELMCAST */

#ifdef WL_RELMCAST
static s32
wl_notify_rmc_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	u32 evt = ntoh32(e->event_type);
	u32 reason = ntoh32(e->reason);
	int ret = -1;

	switch (reason) {
		case WLC_E_REASON_RMC_AR_LOST:
		case WLC_E_REASON_RMC_AR_NO_ACK:
			if (cfg->rmc_event_pid != 0) {
				ret = wl_netlink_send_msg(cfg->rmc_event_pid,
					RMC_EVENT_LEADER_CHECK_FAIL,
					cfg->rmc_event_seq++, NULL, 0);
			}
			break;
		default:
			break;
	}
	WL_DBG(("rmcevent : evt=%d, pid=%d, ret=%d\n", evt, cfg->rmc_event_pid, ret));
	return ret;
}
#endif /* WL_RELMCAST */

#ifdef GSCAN_SUPPORT
static s32
wl_handle_roam_exp_event(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	struct net_device *ndev = NULL;
	u32 datalen = be32_to_cpu(e->datalen);

	if (datalen) {
		wl_roam_exp_event_t *evt_data = (wl_roam_exp_event_t *)data;
		if (evt_data->version == ROAM_EXP_EVENT_VERSION) {
			wlc_ssid_t *ssid = &evt_data->cur_ssid;
			struct wireless_dev *wdev;
			ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
			if (ndev) {
				wdev = ndev->ieee80211_ptr;
				wdev->ssid_len = min(ssid->SSID_len, (uint32)DOT11_MAX_SSID_LEN);
				memcpy(wdev->ssid, ssid->SSID, wdev->ssid_len);
				WL_ERR(("SSID is %s\n", ssid->SSID));
				wl_update_prof(cfg, ndev, NULL, ssid, WL_PROF_SSID);
			} else {
				WL_ERR(("NULL ndev!\n"));
			}
		} else {
			WL_ERR(("Version mismatch %d, expected %d", evt_data->version,
			       ROAM_EXP_EVENT_VERSION));
		}
	}
	return BCME_OK;
}
#endif /* GSCAN_SUPPORT */

#ifdef RSSI_MONITOR_SUPPORT
static s32 wl_handle_rssi_monitor_event(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{

#if defined(WL_VENDOR_EXT_SUPPORT) || defined(CONFIG_BCMDHD_VENDOR_EXT)
	u32 datalen = be32_to_cpu(e->datalen);
	struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);

	if (datalen) {
		wl_rssi_monitor_evt_t *evt_data = (wl_rssi_monitor_evt_t *)data;
		if (evt_data->version == RSSI_MONITOR_VERSION) {
			dhd_rssi_monitor_evt_t monitor_data;
			monitor_data.version = DHD_RSSI_MONITOR_EVT_VERSION;
			monitor_data.cur_rssi = evt_data->cur_rssi;
			memcpy(&monitor_data.BSSID, &e->addr, ETHER_ADDR_LEN);
			wl_cfgvendor_send_async_event(wiphy, ndev,
				GOOGLE_RSSI_MONITOR_EVENT,
				&monitor_data, sizeof(monitor_data));
		} else {
			WL_ERR(("Version mismatch %d, expected %d", evt_data->version,
			       RSSI_MONITOR_VERSION));
		}
	}
#endif /* WL_VENDOR_EXT_SUPPORT || CONFIG_BCMDHD_VENDOR_EXT */
	return BCME_OK;
}
#endif /* RSSI_MONITOR_SUPPORT */

static s32
wl_notify_roaming_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	bool act;
	struct net_device *ndev = NULL;
	s32 err = 0;
	u32 event = be32_to_cpu(e->event_type);
	u32 status = be32_to_cpu(e->status);
#ifdef DHD_LOSSLESS_ROAMING
	struct wl_security *sec;
#endif // endif
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
	WL_DBG(("Enter \n"));

	BCM_REFERENCE(dhdp);
	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);

	if ((!cfg->disable_roam_event) && (event == WLC_E_BSSID)) {
		wl_add_remove_eventmsg(ndev, WLC_E_ROAM, false);
		cfg->disable_roam_event = TRUE;
	}

	if ((cfg->disable_roam_event) && (event == WLC_E_ROAM))
		return err;

	if ((event == WLC_E_ROAM || event == WLC_E_BSSID) && status == WLC_E_STATUS_SUCCESS) {
		if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
#ifdef DHD_LOSSLESS_ROAMING
			sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
			/* In order to reduce roaming delay, wl_bss_roaming_done is
			 * early called with WLC_E_LINK event. It is called from
			 * here only if WLC_E_LINK event is blocked for specific
			 * security type.
			 */
			if (IS_AKM_SUITE_FT(sec)) {
				wl_bss_roaming_done(cfg, ndev, e, data);
				/* Arm pkt logging timer */
				dhd_dump_mod_pkt_timer(dhdp, PKT_CNT_RSN_ROAM);
			}
			/* Roam timer is deleted mostly from wl_cfg80211_change_station
			 * after roaming is finished successfully. We need to delete
			 * the timer from here only for some security types that aren't
			 * using wl_cfg80211_change_station to authorize SCB
			 */
			if (IS_AKM_SUITE_FT(sec) || IS_AKM_SUITE_CCKM(sec)) {
				wl_del_roam_timeout(cfg);
			}
#else
#if !defined(DHD_NONFT_ROAMING)
			wl_bss_roaming_done(cfg, ndev, e, data);
#endif /* !DHD_NONFT_ROAMING */
#endif /* DHD_LOSSLESS_ROAMING */
		} else {
			wl_bss_connect_done(cfg, ndev, e, data, true);
		}
		act = true;
		wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT);
		wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);

		if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
			wl_vndr_ies_get_vendor_oui(cfg, ndev, NULL, 0);
		}
	}
#ifdef DHD_LOSSLESS_ROAMING
	else if ((event == WLC_E_ROAM || event == WLC_E_BSSID) && status != WLC_E_STATUS_SUCCESS) {
		wl_del_roam_timeout(cfg);
	}
#endif // endif
	return err;
}

#ifdef CUSTOM_EVENT_PM_WAKE
uint32 last_dpm_upd_time = 0;	/* ms */
#define DPM_UPD_LMT_TIME	((CUSTOM_EVENT_PM_WAKE + (5)) * (1000) * (4))	/* ms */
#define DPM_UPD_LMT_RSSI	-85	/* dbm */

static s32
wl_check_pmstatus(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	s32 err = BCME_OK;
	struct net_device *ndev = NULL;
	u8 *pbuf = NULL;
	uint32 cur_dpm_upd_time = 0;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	s32 rssi;
#ifdef SUPPORT_RSSI_SUM_REPORT
	wl_rssi_ant_mimo_t rssi_ant_mimo;
#endif /* SUPPORT_RSSI_SUM_REPORT */
	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);

	pbuf = (u8 *)MALLOCZ(cfg->osh, WLC_IOCTL_MEDLEN);
	if (pbuf == NULL) {
		WL_ERR(("failed to allocate local pbuf\n"));
		return -ENOMEM;
	}

	err = wldev_iovar_getbuf_bsscfg(ndev, "dump",
		"pm", strlen("pm"), pbuf, WLC_IOCTL_MEDLEN,
		0, &cfg->ioctl_buf_sync);

	if (err) {
		WL_ERR(("dump ioctl err = %d", err));
	} else {
		WL_ERR(("PM status : %s\n", pbuf));
	}

	if (pbuf) {
		MFREE(cfg->osh, pbuf, WLC_IOCTL_MEDLEN);
	}

	if (dhd->early_suspended) {
		/* LCD off */
#ifdef SUPPORT_RSSI_SUM_REPORT
		/* Query RSSI sum across antennas */
		memset(&rssi_ant_mimo, 0, sizeof(rssi_ant_mimo));
		err = wl_get_rssi_per_ant(ndev, ndev->name, NULL, &rssi_ant_mimo);
		if (err) {
			WL_ERR(("Could not get rssi sum (%d)\n", err));
		}
		rssi = rssi_ant_mimo.rssi_sum;
		if (rssi == 0)
#endif /* SUPPORT_RSSI_SUM_REPORT */
		{
			scb_val_t scb_val;
			memset(&scb_val, 0, sizeof(scb_val_t));
			scb_val.val = 0;
			err = wldev_ioctl_get(ndev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t));
			if (err) {
				WL_ERR(("Could not get rssi (%d)\n", err));
			}
#if defined(RSSIOFFSET)
			rssi = wl_update_rssi_offset(ndev, dtoh32(scb_val.val));
#else
			rssi = dtoh32(scb_val.val);
#endif
		}
		WL_ERR(("RSSI %d dBm\n", rssi));
		if (rssi > DPM_UPD_LMT_RSSI) {
			return err;
		}
	} else {
		/* LCD on */
		return err;
	}

	if (last_dpm_upd_time == 0) {
		last_dpm_upd_time = OSL_SYSUPTIME();
	} else {
		cur_dpm_upd_time = OSL_SYSUPTIME();
		if (cur_dpm_upd_time - last_dpm_upd_time < DPM_UPD_LMT_TIME) {
			scb_val_t scbval;
			DHD_STATLOG_CTRL(dhd, ST(DISASSOC_INT_START),
				dhd_net2idx(dhd->info, ndev), 0);
			bzero(&scbval, sizeof(scb_val_t));

			err = wldev_ioctl_set(ndev, WLC_DISASSOC,
				&scbval, sizeof(scb_val_t));
			if (err < 0) {
				WL_ERR(("Disassoc error %d\n", err));
				return err;
			}
			WL_ERR(("Force Disassoc due to updated DPM event.\n"));

			last_dpm_upd_time = 0;
		} else {
			last_dpm_upd_time = cur_dpm_upd_time;
		}
	}

	return err;
}
#endif	/* CUSTOM_EVENT_PM_WAKE */

#ifdef QOS_MAP_SET
/* get user priority table */
uint8 *
wl_get_up_table(dhd_pub_t * dhdp, int idx)
{
	struct net_device *ndev;
	struct bcm_cfg80211 *cfg;

	ndev = dhd_idx2net(dhdp, idx);
	if (ndev) {
		cfg = wl_get_cfg(ndev);
		if (cfg)
			return (uint8 *)(cfg->up_table);
	}

	return NULL;
}
#endif /* QOS_MAP_SET */

#if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON)
static s32
wl_notify_roam_prep_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	struct wl_security *sec;
	struct net_device *ndev;
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
	u32 status = ntoh32(e->status);
	u32 reason = ntoh32(e->reason);

	BCM_REFERENCE(sec);

	if (status == WLC_E_STATUS_SUCCESS && reason != WLC_E_REASON_INITIAL_ASSOC) {
		WL_ERR(("Attempting roam with reason code : %d\n", reason));
	}

#ifdef CONFIG_SILENT_ROAM
	if (dhdp->in_suspend && reason == WLC_E_REASON_SILENT_ROAM) {
		dhdp->sroamed = TRUE;
	}
#endif /* CONFIG_SILENT_ROAM */

	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);

#ifdef DBG_PKT_MON
	if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
		DHD_DBG_PKT_MON_STOP(dhdp);
		DHD_DBG_PKT_MON_START(dhdp);
	}
#endif /* DBG_PKT_MON */
#ifdef DHD_LOSSLESS_ROAMING
	sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
	/* Disable Lossless Roaming for specific AKM suite
	 * Any other AKM suite can be added below if transition time
	 * is delayed because of Lossless Roaming
	 * and it causes any certication failure
	 */
	if (IS_AKM_SUITE_FT(sec)) {
		return BCME_OK;
	}

	dhdp->dequeue_prec_map = 1 << PRIO_8021D_NC;
	/* Restore flow control  */
	dhd_txflowcontrol(dhdp, ALL_INTERFACES, OFF);

	mod_timer(&cfg->roam_timeout, jiffies + msecs_to_jiffies(WL_ROAM_TIMEOUT_MS));
#endif /* DHD_LOSSLESS_ROAMING */

	return BCME_OK;
}
#endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */

static s32
wl_notify_roam_start_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
	struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	int event_type;

	event_type = WIFI_EVENT_ROAM_SCAN_STARTED;
	wl_cfgvendor_send_async_event(wiphy, ndev, GOOGLE_ROAM_EVENT_START,
		&event_type, sizeof(int));
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || (WL_VENDOR_EXT_SUPPORT) */

	return BCME_OK;
}

static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
	wl_assoc_info_t assoc_info;
	struct wl_connect_info *conn_info = wl_to_conn(cfg);
	s32 err = 0;
#ifdef QOS_MAP_SET
	bcm_tlv_t * qos_map_ie = NULL;
#endif /* QOS_MAP_SET */

	WL_DBG(("Enter \n"));
	err = wldev_iovar_getbuf(ndev, "assoc_info", NULL, 0, cfg->extra_buf,
		WL_ASSOC_INFO_MAX, NULL);
	if (unlikely(err)) {
		WL_ERR(("could not get assoc info (%d)\n", err));
		return err;
	}
	memcpy(&assoc_info, cfg->extra_buf, sizeof(wl_assoc_info_t));
	assoc_info.req_len = htod32(assoc_info.req_len);
	assoc_info.resp_len = htod32(assoc_info.resp_len);
	assoc_info.flags = htod32(assoc_info.flags);
	if (conn_info->req_ie_len) {
		conn_info->req_ie_len = 0;
		bzero(conn_info->req_ie, sizeof(conn_info->req_ie));
	}
	if (conn_info->resp_ie_len) {
		conn_info->resp_ie_len = 0;
		bzero(conn_info->resp_ie, sizeof(conn_info->resp_ie));
	}

	if (assoc_info.req_len) {
		err = wldev_iovar_getbuf(ndev, "assoc_req_ies", NULL, 0, cfg->extra_buf,
			assoc_info.req_len, NULL);
		if (unlikely(err)) {
			WL_ERR(("could not get assoc req (%d)\n", err));
			return err;
		}
		if (assoc_info.req_len < sizeof(struct dot11_assoc_req)) {
			WL_ERR(("req_len %d lessthan %d \n", assoc_info.req_len,
				(int)sizeof(struct dot11_assoc_req)));
			return BCME_BADLEN;
		}
		conn_info->req_ie_len = (uint32)(assoc_info.req_len
						- sizeof(struct dot11_assoc_req));
		if (assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) {
			conn_info->req_ie_len -= ETHER_ADDR_LEN;
		}
		if (conn_info->req_ie_len <= MAX_REQ_LINE)
			memcpy(conn_info->req_ie, cfg->extra_buf, conn_info->req_ie_len);
		else {
			WL_ERR(("IE size %d above max %d size \n",
				conn_info->req_ie_len, MAX_REQ_LINE));
			return err;
		}
	} else {
		conn_info->req_ie_len = 0;
	}

	if (assoc_info.resp_len) {
		err = wldev_iovar_getbuf(ndev, "assoc_resp_ies", NULL, 0, cfg->extra_buf,
			assoc_info.resp_len, NULL);
		if (unlikely(err)) {
			WL_ERR(("could not get assoc resp (%d)\n", err));
			return err;
		}
		if (assoc_info.resp_len < sizeof(struct dot11_assoc_resp)) {
			WL_ERR(("resp_len %d is lessthan %d \n", assoc_info.resp_len,
				(int)sizeof(struct dot11_assoc_resp)));
			return BCME_BADLEN;
		}
		conn_info->resp_ie_len = assoc_info.resp_len -
				(uint32)sizeof(struct dot11_assoc_resp);
		if (conn_info->resp_ie_len <= MAX_REQ_LINE) {
			memcpy(conn_info->resp_ie, cfg->extra_buf, conn_info->resp_ie_len);
		} else {
			WL_ERR(("IE size %d above max %d size \n",
				conn_info->resp_ie_len, MAX_REQ_LINE));
			return err;
		}

#ifdef QOS_MAP_SET
		/* find qos map set ie */
		if ((qos_map_ie = bcm_parse_tlvs(conn_info->resp_ie, conn_info->resp_ie_len,
				DOT11_MNG_QOS_MAP_ID)) != NULL) {
			WL_DBG((" QoS map set IE found in assoc response\n"));
			if (!cfg->up_table) {
				cfg->up_table = (uint8 *)MALLOC(cfg->osh, UP_TABLE_MAX);
			}
			wl_set_up_table(cfg->up_table, qos_map_ie);
		} else {
			MFREE(cfg->osh, cfg->up_table, UP_TABLE_MAX);
		}
#endif /* QOS_MAP_SET */
	} else {
		conn_info->resp_ie_len = 0;
	}
	WL_DBG(("req len (%d) resp len (%d)\n", conn_info->req_ie_len,
		conn_info->resp_ie_len));

	return err;
}

static s32 wl_ch_to_chanspec(struct net_device *dev, int ch, struct wl_join_params *join_params,
	size_t *join_params_size)
{
	chanspec_t chanspec = 0, chspec;
	struct bcm_cfg80211 *cfg =
		(struct bcm_cfg80211 *)wiphy_priv(dev->ieee80211_ptr->wiphy);

	if ((ch != 0) && (cfg && !cfg->rcc_enabled)) {
		join_params->params.chanspec_num = 1;
		join_params->params.chanspec_list[0] = ch;

		if (join_params->params.chanspec_list[0] <= CH_MAX_2G_CHANNEL)
			chanspec |= WL_CHANSPEC_BAND_2G;
		else
			chanspec |= WL_CHANSPEC_BAND_5G;

		/* Get the min_bw set for the interface */
		chspec = WL_CHANSPEC_BW_20;
		if (chspec == INVCHANSPEC) {
			WL_ERR(("Invalid chanspec \n"));
			return -EINVAL;
		}
		chanspec |= chspec;
		chanspec |= WL_CHANSPEC_CTL_SB_NONE;

		*join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE +
			join_params->params.chanspec_num * sizeof(chanspec_t);

		join_params->params.chanspec_list[0]  &= WL_CHANSPEC_CHAN_MASK;
		join_params->params.chanspec_list[0] |= chanspec;
		join_params->params.chanspec_list[0] =
			wl_chspec_host_to_driver(join_params->params.chanspec_list[0]);

		join_params->params.chanspec_num =
			htod32(join_params->params.chanspec_num);
	}
#ifdef ESCAN_CHANNEL_CACHE
	else {
		/* If channel is not present and ESCAN_CHANNEL_CACHE is enabled,
		 * use the cached channel list
		 */
		int n_channels;
		n_channels = get_roam_channel_list(ch, join_params->params.chanspec_list,
			MAX_ROAM_CHANNEL, &join_params->ssid, ioctl_version);
		join_params->params.chanspec_num = htod32(n_channels);
		*join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE +
			join_params->params.chanspec_num * sizeof(chanspec_t);
	}
#endif /* ESCAN_CHANNEL_CACHE */

	WL_DBG(("join_params->params.chanspec_list[0]= %X, %d channels\n",
		join_params->params.chanspec_list[0],
		join_params->params.chanspec_num));
	return 0;
}

static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	bool update_ssid)
{
	struct cfg80211_bss *bss;
	wl_bss_info_t *bi;
	struct wlc_ssid *ssid;
	const struct bcm_tlv *tim;
	s32 beacon_interval;
	s32 dtim_period;
	size_t ie_len;
	const u8 *ie;
	u8 *curbssid;
	s32 err = 0;
	struct wiphy *wiphy;
	u32 channel;
	char *buf;
	u32 freq, band;

	wiphy = bcmcfg_to_wiphy(cfg);

	ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
	curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
	bss = CFG80211_GET_BSS(wiphy, NULL, curbssid,
		ssid->SSID, ssid->SSID_len);
	buf = (char *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX);
	if (!buf) {
		WL_ERR(("buffer alloc failed.\n"));
		return BCME_NOMEM;
	}
	mutex_lock(&cfg->usr_sync);
	*(u32 *)buf = htod32(WL_EXTRA_BUF_MAX);
	err = wldev_ioctl_get(ndev, WLC_GET_BSS_INFO, buf, WL_EXTRA_BUF_MAX);
	if (unlikely(err)) {
		WL_ERR(("Could not get bss info %d\n", err));
		goto update_bss_info_out;
	}
	bi = (wl_bss_info_t *)(buf + 4);
	channel = wf_chspec_ctlchan(wl_chspec_driver_to_host(bi->chanspec));
	wl_update_prof(cfg, ndev, NULL, &channel, WL_PROF_CHAN);

	if (!bss) {
		WL_DBG(("Could not find the AP\n"));
		if (memcmp(bi->BSSID.octet, curbssid, ETHER_ADDR_LEN)) {
			WL_ERR(("Bssid doesn't match\n"));
			err = -EIO;
			goto update_bss_info_out;
		}
		err = wl_inform_single_bss(cfg, bi, update_ssid);
		if (unlikely(err))
			goto update_bss_info_out;

		ie = ((u8 *)bi) + bi->ie_offset;
		ie_len = bi->ie_length;
		beacon_interval = cpu_to_le16(bi->beacon_period);
	} else {
		WL_DBG(("Found the AP in the list - BSSID %pM\n", bss->bssid));
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
		freq = ieee80211_channel_to_frequency(channel);
#else
		band = (channel <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
		freq = ieee80211_channel_to_frequency(channel, band);
#endif // endif
		bss->channel = ieee80211_get_channel(wiphy, freq);
#if defined(WL_CFG80211_P2P_DEV_IF)
		ie = (const u8 *)bss->ies->data;
		ie_len = bss->ies->len;
#else
		ie = bss->information_elements;
		ie_len = bss->len_information_elements;
#endif /* WL_CFG80211_P2P_DEV_IF */
		beacon_interval = bss->beacon_interval;

		CFG80211_PUT_BSS(wiphy, bss);
	}

	tim = bcm_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
	if (tim) {
		dtim_period = tim->data[1];
	} else {
		/*
		* active scan was done so we could not get dtim
		* information out of probe response.
		* so we speficially query dtim information.
		*/
		dtim_period = 0;
		err = wldev_ioctl_get(ndev, WLC_GET_DTIMPRD,
			&dtim_period, sizeof(dtim_period));
		if (unlikely(err)) {
			WL_ERR(("WLC_GET_DTIMPRD error (%d)\n", err));
			goto update_bss_info_out;
		}
	}

	wl_update_prof(cfg, ndev, NULL, &beacon_interval, WL_PROF_BEACONINT);
	wl_update_prof(cfg, ndev, NULL, &dtim_period, WL_PROF_DTIMPERIOD);

update_bss_info_out:
	if (unlikely(err)) {
		WL_ERR(("Failed with error %d\n", err));
	}

	MFREE(cfg->osh, buf, WL_EXTRA_BUF_MAX);
	mutex_unlock(&cfg->usr_sync);
	return err;
}

static s32
wl_bss_roaming_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data)
{
	struct wl_connect_info *conn_info = wl_to_conn(cfg);
	s32 err = 0;
	u8 *curbssid;
	u32 *channel;
	scb_val_t scbval;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	struct ieee80211_supported_band *band;
	struct ieee80211_channel *notify_channel = NULL;
	u32 freq;
#ifdef BCM4359_CHIP
	struct channel_info ci;
	u32 cur_channel;
#endif /* BCM4359_CHIP */
#endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */
#if (defined(CONFIG_ARCH_MSM) && defined(CFG80211_ROAMED_API_UNIFIED)) || \
	(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) || defined(WL_FILS_ROAM_OFFLD) || \
	defined(CFG80211_ROAM_API_GE_4_12)
	struct cfg80211_roam_info roam_info;
#endif /* (CONFIG_ARCH_MSM && CFG80211_ROAMED_API_UNIFIED) || LINUX_VERSION >= 4.12.0 */
#if defined(WL_FILS_ROAM_OFFLD)
	struct wl_fils_info *fils_info = wl_to_fils_info(cfg);
	struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
#endif // endif
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
#ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT
	dhd_if_t *ifp = NULL;
#endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */
#ifdef WLFBT
	uint32 data_len = 0;
	if (data)
		data_len = ntoh32(e->datalen);
#endif /* WLFBT */

	BCM_REFERENCE(dhdp);
	curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
	channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN);
#ifdef BCM4359_CHIP
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
	/* Skip calling cfg80211_roamed If the channels are same and
	 * the current bssid & the new bssid are same
	 * Also clear timer roam_timeout.
	 * Only used on BCM4359 devices.
	 */
	bzero(&ci, sizeof(ci));
	if ((wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci,
			sizeof(ci))) < 0) {
		WL_ERR(("Failed to get current channel !"));
		err = BCME_ERROR;
		goto fail;
	}
	cur_channel = dtoh32(ci.hw_channel);
	if ((*channel == cur_channel) && ((memcmp(curbssid, &e->addr,
		ETHER_ADDR_LEN) == 0) || (memcmp(&cfg->last_roamed_addr,
		&e->addr, ETHER_ADDR_LEN) == 0))) {
		WL_ERR(("BSS already present, Skipping roamed event to"
		" upper layer\n"));
		goto fail;
	}
#endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */
#endif /* BCM4359 CHIP */

	if ((err = wl_get_assoc_ies(cfg, ndev)) != BCME_OK) {
		DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START),
			dhd_net2idx(dhdp->info, ndev), WLAN_REASON_DEAUTH_LEAVING);
		WL_ERR(("Fetching Assoc IEs failed, Skipping roamed event to"
			" upper layer\n"));
		/* To make sure disconnect, and fw sync, explictly send dissassoc
		 * for BSSID 00:00:00:00:00:00 issue
		 */
		bzero(&scbval, sizeof(scb_val_t));
		scbval.val = WLAN_REASON_DEAUTH_LEAVING;
		memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
		scbval.val = htod32(scbval.val);
		if (wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval,
				sizeof(scb_val_t)) < 0) {
			WL_ERR(("WLC_DISASSOC error\n"));
		}
		goto fail;
	}

	wl_update_prof(cfg, ndev, NULL, (const void *)(e->addr.octet), WL_PROF_BSSID);
	curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
	if ((err = wl_update_bss_info(cfg, ndev, true)) != BCME_OK) {
		WL_ERR(("failed to update bss info, err=%d\n", err));
		goto fail;
	}
	wl_update_pmklist(ndev, cfg->pmk_list, err);

	channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
	/* channel info for cfg80211_roamed introduced in 2.6.39-rc1 */
	if (*channel <= CH_MAX_2G_CHANNEL)
		band = wiphy->bands[IEEE80211_BAND_2GHZ];
	else
		band = wiphy->bands[IEEE80211_BAND_5GHZ];
	freq = ieee80211_channel_to_frequency(*channel, band->band);
	notify_channel = ieee80211_get_channel(wiphy, freq);
#endif /* LINUX_VERSION > 2.6.39  || WL_COMPAT_WIRELESS */
#ifdef WLFBT
	/* back up the given FBT key for the further supplicant request,
	 * currently not checking the FBT is enabled for current BSS in DHD,
	 * because the supplicant decides to take it or not.
	 */
	if (data && (data_len == FBT_KEYLEN)) {
		memcpy(cfg->fbt_key, data, FBT_KEYLEN);
	}
#endif /* WLFBT */
#ifdef CUSTOM_LONG_RETRY_LIMIT
	if (wl_set_retry(ndev, CUSTOM_LONG_RETRY_LIMIT, 1) < 0) {
		WL_ERR(("CUSTOM_LONG_RETRY_LIMIT set fail!\n"));
	}
#endif /* CUSTOM_LONG_RETRY_LIMIT */
	DHD_STATLOG_CTRL(dhdp, ST(REASSOC_INFORM),
		dhd_net2idx(dhdp->info, ndev), 0);
	WL_ERR(("Report roam event to upper layer. " MACDBG " (ch:%d)\n",
		MAC2STRDBG((const u8*)(&e->addr)), *channel));
	wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_CONNECTED, NULL);

#if (defined(CONFIG_ARCH_MSM) && defined(CFG80211_ROAMED_API_UNIFIED)) || \
	(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) || defined(WL_FILS_ROAM_OFFLD) || \
	defined(CFG80211_ROAM_API_GE_4_12)
	memset(&roam_info, 0, sizeof(struct cfg80211_roam_info));
	roam_info.channel = notify_channel;
	roam_info.bssid = curbssid;
	roam_info.req_ie = conn_info->req_ie;
	roam_info.req_ie_len = conn_info->req_ie_len;
	roam_info.resp_ie = conn_info->resp_ie;
	roam_info.resp_ie_len = conn_info->resp_ie_len;
#if defined(WL_FILS_ROAM_OFFLD)
	if ((sec->auth_type == DOT11_FILS_SKEY_PFS)||(sec->auth_type == DOT11_FILS_SKEY)) {
		roam_info.fils.kek = fils_info->fils_kek;
		roam_info.fils.kek_len = fils_info->fils_kek_len;
		roam_info.fils.update_erp_next_seq_num = true;
		roam_info.fils.erp_next_seq_num = fils_info->fils_erp_next_seq_num;
		roam_info.fils.pmk = fils_info->fils_pmk;
		roam_info.fils.pmk_len = fils_info->fils_kek_len;
		roam_info.fils.pmkid = fils_info->fils_pmkid;
	}
#endif // endif
	cfg80211_roamed(ndev, &roam_info, GFP_KERNEL);
#else
	cfg80211_roamed(ndev,
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
		notify_channel,
#endif // endif
		curbssid,
		conn_info->req_ie, conn_info->req_ie_len,
		conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
#endif /* (CONFIG_ARCH_MSM && CFG80211_ROAMED_API_UNIFIED) || LINUX_VERSION >= 4.12.0 */

	memcpy(&cfg->last_roamed_addr, &e->addr, ETHER_ADDR_LEN);
	wl_set_drv_status(cfg, CONNECTED, ndev);

#ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT
	ifp = dhd_get_ifp(dhdp, e->ifidx);
	if (ifp) {
		ifp->post_roam_evt = TRUE;
	}
#endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */

	return err;

fail:
#ifdef DHD_LOSSLESS_ROAMING
	wl_del_roam_timeout(cfg);
#endif  /* DHD_LOSSLESS_ROAMING */
	return err;
}

static bool
wl_cfg80211_verify_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	struct cfg80211_bss **bss)
{
	struct wiphy *wiphy;
	struct wlc_ssid *ssid;
	uint8 *curbssid;
	int count = 0;
	int ret = false;
	u8 cur_ssid[DOT11_MAX_SSID_LEN + 1];

	wiphy = bcmcfg_to_wiphy(cfg);
	ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
	curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
	if (!ssid) {
		WL_ERR(("No SSID found in the saved profile \n"));
		return false;
	}

	do {
		*bss = CFG80211_GET_BSS(wiphy, NULL, curbssid,
			ssid->SSID, ssid->SSID_len);
		if (*bss || (count > 5)) {
			break;
		}

		count++;
		msleep(100);
	} while (*bss == NULL);

	WL_DBG(("cfg80211 bss_ptr:%p loop_cnt:%d\n", *bss, count));
	if (*bss) {
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0))
		/* Update the reference count after use. In case of kernel version >= 4.7
		* the cfg802_put_bss is called in cfg80211_connect_bss context
		*/
		CFG80211_PUT_BSS(wiphy, *bss);
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0) */
		ret = true;
	} else {
		memset(cur_ssid, 0, DOT11_MAX_SSID_LEN);
		strncpy(cur_ssid, ssid->SSID,
			MIN(ssid->SSID_len, DOT11_MAX_SSID_LEN));
		WL_ERR(("No bss entry for ssid:%s bssid:"MACDBG"\n",
			cur_ssid, MAC2STRDBG(curbssid)));
	}

	return ret;
}

#ifdef WL_FILS
static s32
wl_get_fils_connect_params(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
	const bcm_xtlv_t* pxtlv_out;
	struct wl_fils_info *fils_info = wl_to_fils_info(cfg);
	int err = BCME_OK;
	bcm_iov_buf_t *iov_buf_in = NULL;
	bcm_iov_buf_t iov_buf_out = {0};
	u16 len;
	u16 type;
	const u8 *data;
	iov_buf_in = MALLOCZ(cfg->osh, WLC_IOCTL_SMLEN);
	if (!iov_buf_in) {
		WL_ERR(("buf memory alloc failed\n"));
		err = BCME_NOMEM;
		goto exit;
	}
	iov_buf_out.version = WL_FILS_IOV_VERSION;
	iov_buf_out.id = WL_FILS_CMD_GET_CONNECT_PARAMS;
	err = wldev_iovar_getbuf(ndev, "fils", (uint8*)&iov_buf_out, sizeof(bcm_iov_buf_t),
		iov_buf_in, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		WL_ERR(("Get FILS Params Error (%d)\n", err));
		goto exit;
	}
	pxtlv_out = (bcm_xtlv_t*)((bcm_iov_buf_t*)iov_buf_in)->data;
	len = iov_buf_in->len;
	do {
		if (!bcm_valid_xtlv(pxtlv_out, iov_buf_in->len, BCM_XTLV_OPTION_ALIGN32)) {
			WL_ERR(("%s: XTLV is not valid\n", __func__));
			err = BCME_BADARG;
			goto exit;
		}
		bcm_xtlv_unpack_xtlv(pxtlv_out, &type, &len, &data, BCM_XTLV_OPTION_ALIGN32);
		switch (type) {
			case WL_FILS_XTLV_ERP_NEXT_SEQ_NUM:
				fils_info->fils_erp_next_seq_num = *(const u16 *)data;
				break;
			case WL_FILS_XTLV_KEK:
				if (memcpy_s(fils_info->fils_kek,
						WL_MAX_FILS_KEY_LEN, data, len) < 0) {
					err = BCME_BADARG;
					goto exit;
				}
				fils_info->fils_kek_len = len;
				break;
			case WL_FILS_XTLV_PMK:
				if (memcpy_s(fils_info->fils_pmk,
						WL_MAX_FILS_KEY_LEN, data, len) < 0) {
					err = BCME_BADARG;
					goto exit;
				}
				fils_info->fils_pmk_len = len;
				break;
			case WL_FILS_XTLV_PMKID:
				if (memcpy_s(fils_info->fils_pmkid,
						WL_MAX_FILS_KEY_LEN, data, len) < 0) {
					err = BCME_BADARG;
					goto exit;
				}
				break;
			default:
				WL_ERR(("%s: wrong XTLV code\n", __func__));
				break;

		}
	} while ((pxtlv_out = bcm_next_xtlv(pxtlv_out, (int *)&iov_buf_in->len,
		BCM_XTLV_OPTION_ALIGN32)) && iov_buf_in->len);
exit:
	if (iov_buf_in) {
		MFREE(cfg->osh, iov_buf_in, WLC_IOCTL_SMLEN);
	}
	return err;
}
#endif /* WL_FILS */
static s32
wl_bss_connect_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, void *data, bool completed)
{
	struct wl_connect_info *conn_info = wl_to_conn(cfg);
	struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
	s32 err = 0;
#ifdef WL_FILS
	struct cfg80211_connect_resp_params resp_params = {0};
	struct wl_fils_info *fils_info = NULL;
	struct wlc_ssid *ssid = NULL;
	struct wiphy *wiphy = NULL;

#endif /* WL_FILS */
	u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
	u32 event_type = ntoh32(e->event_type);
	struct cfg80211_bss *bss = NULL;
	dhd_pub_t *dhdp;
	dhdp = (dhd_pub_t *)(cfg->pub);
	BCM_REFERENCE(dhdp);

	if (!sec) {
		WL_ERR(("sec is NULL\n"));
		return -ENODEV;
	}
	WL_DBG((" enter\n"));
#ifdef ESCAN_RESULT_PATCH
	if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
		if (memcmp(curbssid, connect_req_bssid, ETHER_ADDR_LEN) == 0) {
			WL_INFORM_MEM((" Connected event of connected device "
				"e=%d s=%d, ignore it\n",
				ntoh32(e->event_type), ntoh32(e->status)));
			return err;
		}
	}
	if (memcmp(curbssid, broad_bssid, ETHER_ADDR_LEN) == 0 &&
		memcmp(broad_bssid, connect_req_bssid, ETHER_ADDR_LEN) != 0) {
		WL_DBG(("copy bssid\n"));
		memcpy(curbssid, connect_req_bssid, ETHER_ADDR_LEN);
	}
#else
	if (cfg->scan_request) {
		wl_cfg80211_cancel_scan(cfg);
	}
#endif /* ESCAN_RESULT_PATCH */
	if (wl_get_drv_status(cfg, CONNECTING, ndev)) {
		wl_cfg80211_scan_abort(cfg);
		if (completed) {
			wl_get_assoc_ies(cfg, ndev);
			wl_update_prof(cfg, ndev, NULL, (const void *)(e->addr.octet),
				WL_PROF_BSSID);
			curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
			/*
			 * CFG layer relies on cached IEs (from probe/beacon) to fetch matching bss.
			 * For cases, there is no match available,
			 * need to update the cache based on bss info from fw.
			 */
			wl_update_bss_info(cfg, ndev, true);
			wl_update_pmklist(ndev, cfg->pmk_list, err);
			wl_set_drv_status(cfg, CONNECTED, ndev);
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
			if (dhdp->roam_env_detection)
				wldev_iovar_setint(ndev, "roam_env_detection",
					AP_ENV_INDETERMINATE);
#endif /* ROAM_AP_ENV_DETECTION */
			if (ndev != bcmcfg_to_prmry_ndev(cfg)) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
				init_completion(&cfg->iface_disable);
#else
				/* reinitialize completion to clear previous count */
				INIT_COMPLETION(cfg->iface_disable);
#endif // endif
			}
#ifdef CUSTOM_SET_CPUCORE
			if (wl_get_chan_isvht80(ndev, dhdp)) {
				if (ndev == bcmcfg_to_prmry_ndev(cfg))
					dhdp->chan_isvht80 |= DHD_FLAG_STA_MODE; /* STA mode */
				else if (is_p2p_group_iface(ndev->ieee80211_ptr))
					dhdp->chan_isvht80 |= DHD_FLAG_P2P_MODE; /* p2p mode */
				dhd_set_cpucore(dhdp, TRUE);
			}
#endif /* CUSTOM_SET_CPUCORE */
#ifdef CUSTOM_LONG_RETRY_LIMIT
			if (wl_set_retry(ndev, CUSTOM_LONG_RETRY_LIMIT, 1) < 0) {
				WL_ERR(("CUSTOM_LONG_RETRY_LIMIT set fail!\n"));
			}
#endif /* CUSTOM_LONG_RETRY_LIMIT */
			bzero(&cfg->last_roamed_addr, ETHER_ADDR_LEN);
		}
		wl_clr_drv_status(cfg, CONNECTING, ndev);

		if (completed && (wl_cfg80211_verify_bss(cfg, ndev, &bss) != true)) {
			/* If bss entry is not available in the cfg80211 bss cache
			 * the wireless stack will complain and won't populate
			 * wdev->current_bss ptr
			 */
			WL_ERR(("BSS entry not found. Indicate assoc event failure\n"));
			completed = false;
			sec->auth_assoc_res_status = WLAN_STATUS_UNSPECIFIED_FAILURE;
		}
#ifdef WL_FILS
		if ((sec->auth_type == DOT11_FILS_SKEY_PFS)||(sec->auth_type == DOT11_FILS_SKEY)) {
			wl_get_fils_connect_params(cfg, ndev);
			fils_info = wl_to_fils_info(cfg);
			ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
			wiphy = bcmcfg_to_wiphy(cfg);
			resp_params.status = completed ? WLAN_STATUS_SUCCESS :
				(sec->auth_assoc_res_status) ?
				sec->auth_assoc_res_status :
				WLAN_STATUS_UNSPECIFIED_FAILURE;
			resp_params.bssid = curbssid;
			resp_params.bss = CFG80211_GET_BSS(wiphy, NULL, curbssid,
				ssid->SSID, ssid->SSID_len);
			resp_params.req_ie = conn_info->req_ie;
			resp_params.req_ie_len = conn_info->req_ie_len;
			resp_params.resp_ie = conn_info->resp_ie;
			resp_params.resp_ie_len = conn_info->resp_ie_len;
#if defined(WL_FILS_ROAM_OFFLD) || (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0))
			resp_params.fils.kek = fils_info->fils_kek;
			resp_params.fils.kek_len = fils_info->fils_kek_len;
			resp_params.fils.update_erp_next_seq_num = true;
			resp_params.fils.erp_next_seq_num = fils_info->fils_erp_next_seq_num;
			resp_params.fils.pmk = fils_info->fils_pmk;
			resp_params.fils.pmk_len = fils_info->fils_kek_len;
			resp_params.fils.pmkid = fils_info->fils_pmkid;
#else
			resp_params.fils_kek = fils_info->fils_kek;
			resp_params.fils_kek_len = fils_info->fils_kek_len;
			resp_params.update_erp_next_seq_num = true;
			resp_params.fils_erp_next_seq_num = fils_info->fils_erp_next_seq_num;
			resp_params.pmk = fils_info->fils_pmk;
			resp_params.pmk_len = fils_info->fils_kek_len;
			resp_params.pmkid = fils_info->fils_pmkid;
#endif /* WL_FILS_ROAM_OFFLD */
			cfg80211_connect_done(ndev, &resp_params, GFP_KERNEL);
		}
		else
#endif /* WL_FILS */
		{
			CFG80211_CONNECT_RESULT(ndev,
				curbssid,
				bss,
				conn_info->req_ie,
				conn_info->req_ie_len,
				conn_info->resp_ie,
				conn_info->resp_ie_len,
				completed ? WLAN_STATUS_SUCCESS :
				(sec->auth_assoc_res_status) ?
				sec->auth_assoc_res_status :
				WLAN_STATUS_UNSPECIFIED_FAILURE,
				GFP_KERNEL);
		}
		if (completed) {
			WL_MSG(ndev->name, "Report connect result - "
				"connection succeeded\n");
			wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_CONNECTED, NULL);
		} else {
			WL_MSG(ndev->name, "Report connect result - connection failed\n");
			wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
				WL_EXT_STATUS_DISCONNECTED, NULL);
		}
	} else {
		WL_INFORM_MEM(("[%s] Ignore event:%d. drv status"
			" connecting:%x. connected:%d\n",
			ndev->name, event_type, wl_get_drv_status(cfg, CONNECTING, ndev),
			wl_get_drv_status(cfg, CONNECTED, ndev)));
	}
#ifdef CONFIG_TCPACK_FASTTX
	if (wl_get_chan_isvht80(ndev, dhdp))
		wldev_iovar_setint(ndev, "tcpack_fast_tx", 0);
	else
		wldev_iovar_setint(ndev, "tcpack_fast_tx", 1);
#endif /* CONFIG_TCPACK_FASTTX */

	return err;
}

static s32
wl_notify_mic_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	struct net_device *ndev = NULL;
	u16 flags = ntoh16(e->flags);
	enum nl80211_key_type key_type;

	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);

	WL_INFORM_MEM(("[%s] mic fail event - " MACDBG " \n",
		ndev->name, MAC2STRDBG(e->addr.octet)));
	mutex_lock(&cfg->usr_sync);
	if (flags & WLC_EVENT_MSG_GROUP)
		key_type = NL80211_KEYTYPE_GROUP;
	else
		key_type = NL80211_KEYTYPE_PAIRWISE;

	wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
	cfg80211_michael_mic_failure(ndev, (const u8 *)&e->addr, key_type, -1,
		NULL, GFP_KERNEL);
	mutex_unlock(&cfg->usr_sync);

	return 0;
}

#ifdef BT_WIFI_HANDOVER
static s32
wl_notify_bt_wifi_handover_req(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	struct net_device *ndev = NULL;
	u32 event = ntoh32(e->event_type);
	u32 datalen = ntoh32(e->datalen);
	s32 err;

	WL_ERR(("wl_notify_bt_wifi_handover_req: event_type : %d, datalen : %d\n", event, datalen));
	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
	err = wl_genl_send_msg(ndev, event, data, (u16)datalen, 0, 0);

	return err;
}
#endif /* BT_WIFI_HANDOVER */

static s32
wl_frame_get_mgmt(struct bcm_cfg80211 *cfg, u16 fc,
	const struct ether_addr *da, const struct ether_addr *sa,
	const struct ether_addr *bssid, u8 **pheader, u32 *body_len, u8 *pbody)
{
	struct dot11_management_header *hdr;
	u32 totlen = 0;
	s32 err = 0;
	u8 *offset;
	u32 prebody_len = *body_len;
	switch (fc) {
		case FC_ASSOC_REQ:
			/* capability , listen interval */
			totlen = DOT11_ASSOC_REQ_FIXED_LEN;
			*body_len += DOT11_ASSOC_REQ_FIXED_LEN;
			break;

		case FC_REASSOC_REQ:
			/* capability, listen inteval, ap address */
			totlen = DOT11_REASSOC_REQ_FIXED_LEN;
			*body_len += DOT11_REASSOC_REQ_FIXED_LEN;
			break;
	}
	totlen += DOT11_MGMT_HDR_LEN + prebody_len;
	*pheader = (u8 *)MALLOCZ(cfg->osh, totlen);
	if (*pheader == NULL) {
		WL_ERR(("memory alloc failed \n"));
		return -ENOMEM;
	}
	hdr = (struct dot11_management_header *) (*pheader);
	hdr->fc = htol16(fc);
	hdr->durid = 0;
	hdr->seq = 0;
	offset = (u8*)(hdr + 1) + (totlen - DOT11_MGMT_HDR_LEN - prebody_len);
	bcopy((const char*)da, (u8*)&hdr->da, ETHER_ADDR_LEN);
	bcopy((const char*)sa, (u8*)&hdr->sa, ETHER_ADDR_LEN);
	bcopy((const char*)bssid, (u8*)&hdr->bssid, ETHER_ADDR_LEN);
	if ((pbody != NULL) && prebody_len)
		bcopy((const char*)pbody, offset, prebody_len);
	*body_len = totlen;
	return err;
}

#ifdef WL_CFG80211_GON_COLLISION
static void
wl_gon_req_collision(struct bcm_cfg80211 *cfg, wl_action_frame_t *tx_act_frm,
	wifi_p2p_pub_act_frame_t *rx_act_frm, struct net_device *ndev,
	struct ether_addr sa, struct ether_addr da)
{
	if (cfg->afx_hdl->pending_tx_act_frm == NULL)
		return;

	if (tx_act_frm &&
		wl_cfgp2p_is_pub_action(tx_act_frm->data, tx_act_frm->len)) {
		wifi_p2p_pub_act_frame_t *pact_frm;

		pact_frm = (wifi_p2p_pub_act_frame_t *)tx_act_frm->data;

		if (!(pact_frm->subtype == P2P_PAF_GON_REQ &&
			rx_act_frm->subtype == P2P_PAF_GON_REQ)) {
			return;
		}
	}

	WL_ERR((" GO NEGO Request COLLISION !!! \n"));

	/* if sa(peer) addr is less than da(my) addr,
	 * my device will process peer's gon request and block to send my gon req.
	 *
	 * if not (sa addr > da addr),
	 * my device will process gon request and drop gon req of peer.
	 */
	if (memcmp(sa.octet, da.octet, ETHER_ADDR_LEN) < 0) {
		/* block to send tx gon request */
		cfg->block_gon_req_tx_count = BLOCK_GON_REQ_MAX_NUM;
		WL_ERR((" block to send gon req tx !!!\n"));

		/* if we are finding a common channel for sending af,
		 * do not scan more to block to send current gon req
		 */
		if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
			wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, ndev);
			complete(&cfg->act_frm_scan);
		}
	} else {
		/* drop gon request of peer to process gon request by my device. */
		WL_ERR((" drop to receive gon req rx !!! \n"));
		cfg->block_gon_req_rx_count = BLOCK_GON_REQ_MAX_NUM;
	}

	return;
}
#endif /* WL_CFG80211_GON_COLLISION */

void
wl_stop_wait_next_action_frame(struct bcm_cfg80211 *cfg, struct net_device *ndev, u8 bsscfgidx)
{
	s32 err = 0;

	if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
		if (timer_pending(&cfg->p2p->listen_timer)) {
			del_timer_sync(&cfg->p2p->listen_timer);
		}
		if (cfg->afx_hdl != NULL) {
			if (cfg->afx_hdl->dev != NULL) {
				wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
				wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, cfg->afx_hdl->dev);
			}
			cfg->afx_hdl->peer_chan = WL_INVALID;
		}
		complete(&cfg->act_frm_scan);
		WL_DBG(("*** Wake UP ** Working afx searching is cleared\n"));
	} else if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM)) {
		if (!(wl_get_p2p_status(cfg, ACTION_TX_COMPLETED) ||
			wl_get_p2p_status(cfg, ACTION_TX_NOACK)))
			wl_set_p2p_status(cfg, ACTION_TX_COMPLETED);

		WL_DBG(("*** Wake UP ** abort actframe iovar on bsscfxidx %d\n", bsscfgidx));
		/* Scan engine is not used for sending action frames in the latest driver
		 * branches. actframe_abort is used in the latest driver branches
		 * instead of scan abort.
		 *  If actframe_abort iovar succeeds, don't execute scan abort.
		 *  If actframe_abort fails with unsupported error,
		 *  execute scan abort (for backward copmatibility).
		 */
		if (cfg->af_sent_channel) {
			err = wldev_iovar_setint_bsscfg(ndev, "actframe_abort", 1, bsscfgidx);
			if (err < 0) {
				if (err == BCME_UNSUPPORTED) {
					wl_cfg80211_scan_abort(cfg);
				} else {
					WL_ERR(("actframe_abort failed. ret:%d\n", err));
				}
			}
		}
	}
#ifdef WL_CFG80211_SYNC_GON
	else if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) {
		WL_DBG(("*** Wake UP ** abort listen for next af frame\n"));
		/* So abort scan to cancel listen */
		wl_cfg80211_scan_abort(cfg);
	}
#endif /* WL_CFG80211_SYNC_GON */
}

#if defined(WLTDLS)
bool wl_cfg80211_is_tdls_tunneled_frame(void *frame, u32 frame_len)
{
	unsigned char *data;

	if (frame == NULL) {
		WL_ERR(("Invalid frame \n"));
		return false;
	}

	if (frame_len < 5) {
		WL_ERR(("Invalid frame length [%d] \n", frame_len));
		return false;
	}

	data = frame;

	if (!memcmp(data, TDLS_TUNNELED_PRB_REQ, 5) ||
		!memcmp(data, TDLS_TUNNELED_PRB_RESP, 5)) {
		WL_DBG(("TDLS Vendor Specific Received type\n"));
		return true;
	}

	return false;
}
#endif /* WLTDLS */

int wl_cfg80211_get_ioctl_version(void)
{
	return ioctl_version;
}

static s32
wl_notify_rx_mgmt_frame(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	struct ieee80211_supported_band *band;
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	struct ether_addr da;
	struct ether_addr bssid;
	bool isfree = false;
	s32 err = 0;
	s32 freq;
	struct net_device *ndev = NULL;
	wifi_p2p_pub_act_frame_t *act_frm = NULL;
	wifi_p2p_action_frame_t *p2p_act_frm = NULL;
	wifi_p2psd_gas_pub_act_frame_t *sd_act_frm = NULL;
	wl_event_rx_frame_data_t *rxframe;
	u32 event;
	u8 *mgmt_frame;
	u8 bsscfgidx;
	u32 mgmt_frame_len;
	u16 channel;
#if defined(TDLS_MSG_ONLY_WFD) && defined(WLTDLS)
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
#endif /* BCMDONGLEHOST && TDLS_MSG_ONLY_WFD && WLTDLS */
	if (ntoh32(e->datalen) < sizeof(wl_event_rx_frame_data_t)) {
		WL_ERR(("wrong datalen:%d\n", ntoh32(e->datalen)));
		return -EINVAL;
	}
	mgmt_frame_len = ntoh32(e->datalen) - (uint32)sizeof(wl_event_rx_frame_data_t);
	event = ntoh32(e->event_type);
	bsscfgidx = e->bsscfgidx;
	rxframe = (wl_event_rx_frame_data_t *)data;
	if (!rxframe) {
		WL_ERR(("rxframe: NULL\n"));
		return -EINVAL;
	}
	channel = (ntoh16(rxframe->channel) & WL_CHANSPEC_CHAN_MASK);
	bzero(&bssid, ETHER_ADDR_LEN);
	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
	if ((ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) &&
		(event == WLC_E_PROBREQ_MSG)) {
		struct net_info *iter, *next;
		GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
		for_each_ndev(cfg, iter, next) {
			GCC_DIAGNOSTIC_POP();
			if (iter->ndev && iter->wdev &&
					iter->wdev->iftype == NL80211_IFTYPE_AP) {
					ndev = iter->ndev;
					cfgdev =  ndev_to_cfgdev(ndev);
					break;
			}
		}
	}

	if (channel <= CH_MAX_2G_CHANNEL)
		band = wiphy->bands[IEEE80211_BAND_2GHZ];
	else
		band = wiphy->bands[IEEE80211_BAND_5GHZ];
	if (!band) {
		WL_ERR(("No valid band\n"));
		return -EINVAL;
	}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
	freq = ieee80211_channel_to_frequency(channel);
	(void)band->band;
#else
	freq = ieee80211_channel_to_frequency(channel, band->band);
#endif // endif
	if (event == WLC_E_ACTION_FRAME_RX) {
		u8 ioctl_buf[WLC_IOCTL_SMLEN];

		if ((err = wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr",
				NULL, 0, ioctl_buf, sizeof(ioctl_buf), bsscfgidx,
				NULL)) != BCME_OK) {
			WL_ERR(("WLC_GET_CUR_ETHERADDR failed, error %d\n", err));
			goto exit;
		}

		err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN);
		if (err < 0)
			 WL_ERR(("WLC_GET_BSSID error %d\n", err));
		memcpy(da.octet, ioctl_buf, ETHER_ADDR_LEN);
		err = wl_frame_get_mgmt(cfg, FC_ACTION, &da, &e->addr, &bssid,
			&mgmt_frame, &mgmt_frame_len,
			(u8 *)((wl_event_rx_frame_data_t *)rxframe + 1));
		if (err < 0) {
			WL_ERR(("Error in receiving action frame len %d channel %d freq %d\n",
				mgmt_frame_len, channel, freq));
			goto exit;
		}
		isfree = true;
		if (wl_cfgp2p_is_pub_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
			mgmt_frame_len - DOT11_MGMT_HDR_LEN)) {
			act_frm = (wifi_p2p_pub_act_frame_t *)
					(&mgmt_frame[DOT11_MGMT_HDR_LEN]);
		} else if (wl_cfgp2p_is_p2p_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
			mgmt_frame_len - DOT11_MGMT_HDR_LEN)) {
			p2p_act_frm = (wifi_p2p_action_frame_t *)
					(&mgmt_frame[DOT11_MGMT_HDR_LEN]);
			(void) p2p_act_frm;
		} else if (wl_cfgp2p_is_gas_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
			mgmt_frame_len - DOT11_MGMT_HDR_LEN)) {

			sd_act_frm = (wifi_p2psd_gas_pub_act_frame_t *)
					(&mgmt_frame[DOT11_MGMT_HDR_LEN]);
			if (sd_act_frm && wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) {
				if (cfg->next_af_subtype == sd_act_frm->action) {
					WL_DBG(("We got a right next frame of SD!(%d)\n",
						sd_act_frm->action));
					wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev);

					/* Stop waiting for next AF. */
					wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx);
				}
			}
			(void) sd_act_frm;
#ifdef WLTDLS
		} else if ((mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_AF_CATEGORY) ||
				(wl_cfg80211_is_tdls_tunneled_frame(
				    &mgmt_frame[DOT11_MGMT_HDR_LEN],
				    mgmt_frame_len - DOT11_MGMT_HDR_LEN))) {
			if (mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_AF_CATEGORY) {
				WL_ERR((" TDLS Action Frame Received type = %d \n",
					mgmt_frame[DOT11_MGMT_HDR_LEN + 1]));
			}
#ifdef TDLS_MSG_ONLY_WFD
			if (!dhdp->tdls_mode) {
				WL_DBG((" TDLS Frame filtered \n"));
				goto exit;
			}
#else
			if (mgmt_frame[DOT11_MGMT_HDR_LEN + 1] == TDLS_ACTION_SETUP_RESP) {
				cfg->tdls_mgmt_frame = mgmt_frame;
				cfg->tdls_mgmt_frame_len = mgmt_frame_len;
				cfg->tdls_mgmt_freq = freq;
				return 0;
			}
#endif /* TDLS_MSG_ONLY_WFD */
#endif /* WLTDLS */
#ifdef QOS_MAP_SET
		} else if (mgmt_frame[DOT11_MGMT_HDR_LEN] == DOT11_ACTION_CAT_QOS) {
			/* update QoS map set table */
			bcm_tlv_t * qos_map_ie = NULL;
			if ((qos_map_ie = bcm_parse_tlvs(&mgmt_frame[DOT11_MGMT_HDR_LEN],
					mgmt_frame_len - DOT11_MGMT_HDR_LEN,
					DOT11_MNG_QOS_MAP_ID)) != NULL) {
				WL_DBG((" QoS map set IE found in QoS action frame\n"));
				if (!cfg->up_table) {
					cfg->up_table = (uint8 *)MALLOC(cfg->osh, UP_TABLE_MAX);
				}
				wl_set_up_table(cfg->up_table, qos_map_ie);
			} else {
				MFREE(cfg->osh, cfg->up_table, UP_TABLE_MAX);
			}
#endif /* QOS_MAP_SET */
		} else {
			/*
			 *  if we got normal action frame and ndev is p2p0,
			 *  we have to change ndev from p2p0 to wlan0
			 */

			if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) {
				u8 action = 0;
				if (wl_get_public_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
					mgmt_frame_len - DOT11_MGMT_HDR_LEN, &action) != BCME_OK) {
					WL_DBG(("Recived action is not public action frame\n"));
				} else if (cfg->next_af_subtype == action) {
					WL_DBG(("Recived action is the waiting action(%d)\n",
						action));
					wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev);

					/* Stop waiting for next AF. */
					wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx);
				}
			}
		}

		if (act_frm) {
#ifdef WL_CFG80211_GON_COLLISION
			if (act_frm->subtype == P2P_PAF_GON_REQ) {
				wl_gon_req_collision(cfg,
					&cfg->afx_hdl->pending_tx_act_frm->action_frame,
					act_frm, ndev, e->addr, da);

				if (cfg->block_gon_req_rx_count) {
					WL_ERR(("drop frame GON Req Rx : count (%d)\n",
						cfg->block_gon_req_rx_count));
					cfg->block_gon_req_rx_count--;
					goto exit;
				}
			} else if (act_frm->subtype == P2P_PAF_GON_CONF) {
				/* if go formation done, clear it */
				cfg->block_gon_req_tx_count = 0;
				cfg->block_gon_req_rx_count = 0;
			}
#endif /* WL_CFG80211_GON_COLLISION */

			if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) {
				if (cfg->next_af_subtype == act_frm->subtype) {
					WL_DBG(("We got a right next frame!(%d)\n",
						act_frm->subtype));
					wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev);

					if (cfg->next_af_subtype == P2P_PAF_GON_CONF) {
						OSL_SLEEP(20);
					}

					/* Stop waiting for next AF. */
					wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx);
				} else if ((cfg->next_af_subtype == P2P_PAF_GON_RSP) &&
						(act_frm->subtype == P2P_PAF_GON_REQ)) {
					/* If current received frame is GO NEG REQ and next
					 * expected frame is GO NEG RESP, do not send it up.
					 */
					WL_ERR(("GO Neg req received while waiting for RESP."
						"Discard incoming frame\n"));
					goto exit;
				}
			}
		}

		wl_cfgp2p_print_actframe(false, &mgmt_frame[DOT11_MGMT_HDR_LEN],
			mgmt_frame_len - DOT11_MGMT_HDR_LEN, channel);
		if (act_frm && (act_frm->subtype == P2P_PAF_GON_CONF)) {
			WL_DBG(("P2P: GO_NEG_PHASE status cleared \n"));
			wl_clr_p2p_status(cfg, GO_NEG_PHASE);
		}
	} else if (event == WLC_E_PROBREQ_MSG) {

		/* Handle probe reqs frame
		 * WPS-AP certification 4.2.13
		 */
		struct parsed_ies prbreq_ies;
		u32 prbreq_ie_len = 0;
		bool pbc = 0;

		WL_DBG((" Event WLC_E_PROBREQ_MSG received\n"));
		mgmt_frame = (u8 *)(data);
		mgmt_frame_len = ntoh32(e->datalen);
		if (mgmt_frame_len < DOT11_MGMT_HDR_LEN) {
			WL_ERR(("wrong datalen:%d\n", mgmt_frame_len));
			return -EINVAL;
		}
		prbreq_ie_len = mgmt_frame_len - DOT11_MGMT_HDR_LEN;

		/* Parse prob_req IEs */
		if (wl_cfg80211_parse_ies(&mgmt_frame[DOT11_MGMT_HDR_LEN],
			prbreq_ie_len, &prbreq_ies) < 0) {
			WL_ERR(("Prob req get IEs failed\n"));
			return 0;
		}
		if (prbreq_ies.wps_ie != NULL) {
			wl_validate_wps_ie(
				(const char *)prbreq_ies.wps_ie, prbreq_ies.wps_ie_len, &pbc);
			WL_DBG((" wps_ie exist pbc = %d\n", pbc));
			/* if pbc method, send prob_req mgmt frame to upper layer */
			if (!pbc)
				return 0;
		} else
			return 0;
	} else {
		mgmt_frame = (u8 *)((wl_event_rx_frame_data_t *)rxframe + 1);

		/* wpa supplicant use probe request event for restarting another GON Req.
		 * but it makes GON Req repetition.
		 * so if src addr of prb req is same as my target device,
		 * do not send probe request event during sending action frame.
		 */
		if (event == WLC_E_P2P_PROBREQ_MSG) {
			WL_DBG((" Event %s\n", (event == WLC_E_P2P_PROBREQ_MSG) ?
				"WLC_E_P2P_PROBREQ_MSG":"WLC_E_PROBREQ_MSG"));

#ifdef WL_CFG80211_USE_PRB_REQ_FOR_AF_TX
			if (WL_DRV_STATUS_SENDING_AF_FRM_EXT(cfg) &&
				!memcmp(cfg->afx_hdl->tx_dst_addr.octet, e->addr.octet,
				ETHER_ADDR_LEN)) {
				if (cfg->afx_hdl->pending_tx_act_frm &&
					wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
					s32 channel = CHSPEC_CHANNEL(hton16(rxframe->channel));
					WL_DBG(("PROBE REQUEST : Peer found, channel : %d\n",
						channel));
					cfg->afx_hdl->peer_chan = channel;
					complete(&cfg->act_frm_scan);
				}
			}
#endif /* WL_CFG80211_USE_PRB_REQ_FOR_AF_TX */

			/* Filter any P2P probe reqs arriving during the
			 * GO-NEG Phase
			 */
			if (cfg->p2p &&
#if defined(P2P_IE_MISSING_FIX)
				cfg->p2p_prb_noti &&
#endif // endif
				wl_get_p2p_status(cfg, GO_NEG_PHASE)) {
				WL_DBG(("Filtering P2P probe_req while "
					"being in GO-Neg state\n"));
				return 0;
			}
		}
	}

	if (discover_cfgdev(cfgdev, cfg))
		WL_DBG(("Rx Managment frame For P2P Discovery Interface \n"));
	else
		WL_DBG(("Rx Managment frame For Iface (%s) \n", ndev->name));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
	 cfg80211_rx_mgmt(cfgdev, freq, 0,  mgmt_frame, mgmt_frame_len, 0);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
	cfg80211_rx_mgmt(cfgdev, freq, 0,  mgmt_frame, mgmt_frame_len, 0, GFP_ATOMIC);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \
	defined(WL_COMPAT_WIRELESS)
	cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC);
#else
	cfg80211_rx_mgmt(cfgdev, freq, mgmt_frame, mgmt_frame_len, GFP_ATOMIC);
#endif /* LINUX_VERSION >= VERSION(3, 18, 0) */

	WL_DBG(("mgmt_frame_len (%d) , e->datalen (%d), channel (%d), freq (%d)\n",
		mgmt_frame_len, ntoh32(e->datalen), channel, freq));
exit:
	if (isfree) {
		MFREE(cfg->osh, mgmt_frame, mgmt_frame_len);
	}
	return err;
}

static void wl_init_conf(struct wl_conf *conf)
{
	WL_DBG(("Enter \n"));
	conf->frag_threshold = (u32)-1;
	conf->rts_threshold = (u32)-1;
	conf->retry_short = (u32)-1;
	conf->retry_long = (u32)-1;
	conf->tx_power = -1;
}

static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
	unsigned long flags;
	struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev);

	if (!profile) {
		WL_ERR(("profile null\n"));
		return;
	}

	WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags);
	bzero(profile, sizeof(struct wl_profile));
	WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags);
}

static void wl_init_event_handler(struct bcm_cfg80211 *cfg)
{
	bzero(cfg->evt_handler, sizeof(cfg->evt_handler));

	cfg->evt_handler[WLC_E_SCAN_COMPLETE] = wl_notify_scan_status;
	cfg->evt_handler[WLC_E_AUTH] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_ASSOC] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_LINK] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_DEAUTH_IND] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_DEAUTH] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_DISASSOC_IND] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_ASSOC_IND] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_REASSOC_IND] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_ROAM] = wl_notify_roaming_status;
	cfg->evt_handler[WLC_E_MIC_ERROR] = wl_notify_mic_status;
	cfg->evt_handler[WLC_E_SET_SSID] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_ACTION_FRAME_RX] = wl_notify_rx_mgmt_frame;
	cfg->evt_handler[WLC_E_PROBREQ_MSG] = wl_notify_rx_mgmt_frame;
	cfg->evt_handler[WLC_E_P2P_PROBREQ_MSG] = wl_notify_rx_mgmt_frame;
	cfg->evt_handler[WLC_E_P2P_DISC_LISTEN_COMPLETE] = wl_cfgp2p_listen_complete;
	cfg->evt_handler[WLC_E_ACTION_FRAME_COMPLETE] = wl_cfgp2p_action_tx_complete;
	cfg->evt_handler[WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE] = wl_cfgp2p_action_tx_complete;
	cfg->evt_handler[WLC_E_JOIN] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_START] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_AUTH_IND] = wl_notify_connect_status;
	cfg->evt_handler[WLC_E_ASSOC_RESP_IE] = wl_notify_connect_status;
#ifdef PNO_SUPPORT
	cfg->evt_handler[WLC_E_PFN_NET_FOUND] = wl_notify_pfn_status;
#endif /* PNO_SUPPORT */
#ifdef GSCAN_SUPPORT
	cfg->evt_handler[WLC_E_PFN_BEST_BATCHING] = wl_notify_gscan_event;
	cfg->evt_handler[WLC_E_PFN_SCAN_COMPLETE] = wl_notify_gscan_event;
	cfg->evt_handler[WLC_E_PFN_GSCAN_FULL_RESULT] = wl_notify_gscan_event;
	cfg->evt_handler[WLC_E_PFN_BSSID_NET_FOUND] = wl_notify_gscan_event;
	cfg->evt_handler[WLC_E_PFN_BSSID_NET_LOST] = wl_notify_gscan_event;
	cfg->evt_handler[WLC_E_PFN_SSID_EXT] = wl_notify_gscan_event;
	cfg->evt_handler[WLC_E_GAS_FRAGMENT_RX] = wl_notify_gscan_event;
	cfg->evt_handler[WLC_E_ROAM_EXP_EVENT] = wl_handle_roam_exp_event;
#endif /* GSCAN_SUPPORT */
#ifdef RSSI_MONITOR_SUPPORT
	cfg->evt_handler[WLC_E_RSSI_LQM] = wl_handle_rssi_monitor_event;
#endif /* RSSI_MONITOR_SUPPORT */
#ifdef WLTDLS
	cfg->evt_handler[WLC_E_TDLS_PEER_EVENT] = wl_tdls_event_handler;
#endif /* WLTDLS */
	cfg->evt_handler[WLC_E_BSSID] = wl_notify_roaming_status;
#ifdef	WL_RELMCAST
	cfg->evt_handler[WLC_E_RMC_EVENT] = wl_notify_rmc_status;
#endif /* WL_RELMCAST */
#ifdef BT_WIFI_HANDOVER
	cfg->evt_handler[WLC_E_BT_WIFI_HANDOVER_REQ] = wl_notify_bt_wifi_handover_req;
#endif // endif
#ifdef WL_NAN
	cfg->evt_handler[WLC_E_NAN_CRITICAL] = wl_cfgnan_notify_nan_status;
	cfg->evt_handler[WLC_E_NAN_NON_CRITICAL] = wl_cfgnan_notify_nan_status;
#endif /* WL_NAN */
	cfg->evt_handler[WLC_E_CSA_COMPLETE_IND] = wl_csa_complete_ind;
	cfg->evt_handler[WLC_E_AP_STARTED] = wl_ap_start_ind;
#ifdef CUSTOM_EVENT_PM_WAKE
	cfg->evt_handler[WLC_E_EXCESS_PM_WAKE_EVENT] = wl_check_pmstatus;
#endif	/* CUSTOM_EVENT_PM_WAKE */
#if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON)
	cfg->evt_handler[WLC_E_ROAM_PREP] = wl_notify_roam_prep_status;
#endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON  */
	cfg->evt_handler[WLC_E_ROAM_START] = wl_notify_roam_start_status;
	cfg->evt_handler[WLC_E_PSK_SUP] = wl_cfg80211_sup_event_handler;
#ifdef WL_BCNRECV
	cfg->evt_handler[WLC_E_BCNRECV_ABORTED] = wl_bcnrecv_aborted_event_handler;
#endif /* WL_BCNRECV */
#ifdef WL_MBO
	cfg->evt_handler[WLC_E_MBO] = wl_mbo_event_handler;
#endif  /* WL_MBO */
#ifdef WL_CAC_TS
	cfg->evt_handler[WLC_E_ADDTS_IND] = wl_cfg80211_cac_event_handler;
	cfg->evt_handler[WLC_E_DELTS_IND] = wl_cfg80211_cac_event_handler;
#endif /* WL_CAC_TS */
#if defined(WL_MBO) || defined(WL_OCE)
	cfg->evt_handler[WLC_E_PRUNE] = wl_bssid_prune_event_handler;
#endif /* WL_MBO || WL_OCE */
#ifdef RTT_SUPPORT
	cfg->evt_handler[WLC_E_PROXD] = wl_cfg80211_rtt_event_handler;
#endif // endif
#ifdef WL_CHAN_UTIL
	cfg->evt_handler[WLC_E_BSS_LOAD] = wl_cfg80211_bssload_report_event_handler;
#endif /* WL_CHAN_UTIL */
}

#if defined(STATIC_WL_PRIV_STRUCT)
static int
wl_init_escan_result_buf(struct bcm_cfg80211 *cfg)
{
#ifdef DUAL_ESCAN_RESULT_BUFFER
	cfg->escan_info.escan_buf[0] = DHD_OS_PREALLOC(cfg->pub,
		DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE);
	if (cfg->escan_info.escan_buf[0] == NULL) {
		WL_ERR(("Failed to alloc ESCAN_BUF0\n"));
		return -ENOMEM;
	}

	cfg->escan_info.escan_buf[1] = DHD_OS_PREALLOC(cfg->pub,
		DHD_PREALLOC_WIPHY_ESCAN1, ESCAN_BUF_SIZE);
	if (cfg->escan_info.escan_buf[1] == NULL) {
		WL_ERR(("Failed to alloc ESCAN_BUF1\n"));
		return -ENOMEM;
	}

	bzero(cfg->escan_info.escan_buf[0], ESCAN_BUF_SIZE);
	bzero(cfg->escan_info.escan_buf[1], ESCAN_BUF_SIZE);
	cfg->escan_info.escan_type[0] = 0;
	cfg->escan_info.escan_type[1] = 0;
#else
	cfg->escan_info.escan_buf = DHD_OS_PREALLOC(cfg->pub,
		DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE);
	if (cfg->escan_info.escan_buf == NULL) {
		WL_ERR(("Failed to alloc ESCAN_BUF\n"));
		return -ENOMEM;
	}
	bzero(cfg->escan_info.escan_buf, ESCAN_BUF_SIZE);
#endif /* DUAL_ESCAN_RESULT_BUFFER */

	return 0;
}

static void
wl_deinit_escan_result_buf(struct bcm_cfg80211 *cfg)
{
#ifdef DUAL_ESCAN_RESULT_BUFFER
	if (cfg->escan_info.escan_buf[0] != NULL) {
		cfg->escan_info.escan_buf[0] = NULL;
		cfg->escan_info.escan_type[0] = 0;
	}

	if (cfg->escan_info.escan_buf[1] != NULL) {
		cfg->escan_info.escan_buf[1] = NULL;
		cfg->escan_info.escan_type[1] = 0;
	}
#else
	if (cfg->escan_info.escan_buf != NULL) {
		cfg->escan_info.escan_buf = NULL;
	}
#endif /* DUAL_ESCAN_RESULT_BUFFER */
}
#endif /* STATIC_WL_PRIV_STRUCT */

static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg)
{
	WL_DBG(("Enter \n"));

	cfg->scan_results = (struct wl_scan_results *)MALLOCZ(cfg->osh,
		WL_SCAN_BUF_MAX);
	if (unlikely(!cfg->scan_results)) {
		WL_ERR(("Scan results alloc failed\n"));
		goto init_priv_mem_out;
	}
	cfg->conf = (struct wl_conf *)MALLOCZ(cfg->osh, sizeof(*cfg->conf));
	if (unlikely(!cfg->conf)) {
		WL_ERR(("wl_conf alloc failed\n"));
		goto init_priv_mem_out;
	}
	cfg->scan_req_int = (void *)MALLOCZ(cfg->osh,
		sizeof(*cfg->scan_req_int));
	if (unlikely(!cfg->scan_req_int)) {
		WL_ERR(("Scan req alloc failed\n"));
		goto init_priv_mem_out;
	}
	cfg->ioctl_buf = (u8 *)MALLOCZ(cfg->osh, WLC_IOCTL_MAXLEN);
	if (unlikely(!cfg->ioctl_buf)) {
		WL_ERR(("Ioctl buf alloc failed\n"));
		goto init_priv_mem_out;
	}
	cfg->escan_ioctl_buf = (void *)MALLOCZ(cfg->osh, WLC_IOCTL_MAXLEN);
	if (unlikely(!cfg->escan_ioctl_buf)) {
		WL_ERR(("Ioctl buf alloc failed\n"));
		goto init_priv_mem_out;
	}
	cfg->extra_buf = (void *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX);
	if (unlikely(!cfg->extra_buf)) {
		WL_ERR(("Extra buf alloc failed\n"));
		goto init_priv_mem_out;
	}
	cfg->pmk_list = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->pmk_list));
	if (unlikely(!cfg->pmk_list)) {
		WL_ERR(("pmk list alloc failed\n"));
		goto init_priv_mem_out;
	}
#if defined(STATIC_WL_PRIV_STRUCT)
	cfg->conn_info = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->conn_info));
	if (unlikely(!cfg->conn_info)) {
		WL_ERR(("cfg->conn_info alloc failed\n"));
		goto init_priv_mem_out;
	}
	cfg->ie = (void *)MALLOC(cfg->osh, sizeof(*cfg->ie));
	if (unlikely(!cfg->ie)) {
		WL_ERR(("cfg->ie alloc failed\n"));
		goto init_priv_mem_out;
	}
	if (unlikely(wl_init_escan_result_buf(cfg))) {
		WL_ERR(("Failed to init escan resul buf\n"));
		goto init_priv_mem_out;
	}
#endif /* STATIC_WL_PRIV_STRUCT */
	cfg->afx_hdl = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->afx_hdl));
	if (unlikely(!cfg->afx_hdl)) {
		WL_ERR(("afx hdl alloc failed\n"));
		goto init_priv_mem_out;
	} else {
		init_completion(&cfg->act_frm_scan);
		init_completion(&cfg->wait_next_af);

		INIT_WORK(&cfg->afx_hdl->work, wl_cfg80211_afx_handler);
	}
#ifdef WLTDLS
	if (cfg->tdls_mgmt_frame) {
		MFREE(cfg->osh, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len);
		cfg->tdls_mgmt_frame = NULL;
		cfg->tdls_mgmt_frame_len = 0;
	}
#endif /* WLTDLS */
	return 0;

init_priv_mem_out:
	wl_deinit_priv_mem(cfg);

	return -ENOMEM;
}

static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg)
{
	MFREE(cfg->osh, cfg->scan_results, WL_SCAN_BUF_MAX);
	MFREE(cfg->osh, cfg->conf, sizeof(*cfg->conf));
	MFREE(cfg->osh, cfg->scan_req_int, sizeof(*cfg->scan_req_int));
	MFREE(cfg->osh, cfg->ioctl_buf, WLC_IOCTL_MAXLEN);
	MFREE(cfg->osh, cfg->escan_ioctl_buf, WLC_IOCTL_MAXLEN);
	MFREE(cfg->osh, cfg->extra_buf, WL_EXTRA_BUF_MAX);
	MFREE(cfg->osh, cfg->pmk_list, sizeof(*cfg->pmk_list));
#if defined(STATIC_WL_PRIV_STRUCT)
	MFREE(cfg->osh, cfg->conn_info, sizeof(*cfg->conn_info));
	MFREE(cfg->osh, cfg->ie, sizeof(*cfg->ie));
	wl_deinit_escan_result_buf(cfg);
#endif /* STATIC_WL_PRIV_STRUCT */
	if (cfg->afx_hdl) {
		cancel_work_sync(&cfg->afx_hdl->work);
		MFREE(cfg->osh, cfg->afx_hdl, sizeof(*cfg->afx_hdl));
	}

}

static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg)
{
	int ret = 0;
	WL_DBG(("Enter \n"));

	/* Allocate workqueue for event */
	if (!cfg->event_workq) {
		cfg->event_workq = alloc_workqueue("dhd_eventd",
			WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_UNBOUND, 1);
	}

	if (!cfg->event_workq) {
		WL_ERR(("event_workq alloc_workqueue failed\n"));
		ret = -ENOMEM;
	} else {
		INIT_WORK(&cfg->event_work, wl_event_handler);
	}
	return ret;
}

static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg)
{
	if (cfg && cfg->event_workq) {
		cancel_work_sync(&cfg->event_work);
		destroy_workqueue(cfg->event_workq);
		cfg->event_workq = NULL;
	}
}

void wl_terminate_event_handler(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	if (cfg) {
		wl_destroy_event_handler(cfg);
		wl_flush_eq(cfg);
	}
}

#ifdef DHD_LOSSLESS_ROAMING
static void wl_del_roam_timeout(struct bcm_cfg80211 *cfg)
{
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	/* restore prec_map to ALLPRIO */
	dhdp->dequeue_prec_map = ALLPRIO;
	if (timer_pending(&cfg->roam_timeout)) {
		del_timer_sync(&cfg->roam_timeout);
	}

}

static void wl_roam_timeout(unsigned long data)
{
	struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data;
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	WL_ERR(("roam timer expired\n"));

	/* restore prec_map to ALLPRIO */
	dhdp->dequeue_prec_map = ALLPRIO;
}

#endif /* DHD_LOSSLESS_ROAMING */

#if defined(CONFIG_WLAN_BEYONDX) || defined(CONFIG_SEC_5GMODEL)
#define CP_CHAN_INFO_RAT_MODE_LTE	3
#define CP_CHAN_INFO_RAT_MODE_NR5G	7
int g_mhs_chan_for_cpcoex = 0;

struct __packed cam_cp_noti_info {
	u8 rat;
	u32 band;
	u32 channel;
};

int
wl_cfg80211_send_msg_to_ril()
{
	int id, buf = 1;

	id = IPC_SYSTEM_CP_CHANNEL_INFO;
	dev_ril_bridge_send_msg(id, sizeof(int), &buf);
	WL_ERR(("[BeyondX] send message to ril.\n"));

	OSL_SLEEP(500);
	return 0;
}

int
wl_cfg80211_ril_bridge_notifier_call(struct notifier_block *nb,
	unsigned long size, void *buf)
{
	struct dev_ril_bridge_msg *msg;
	struct cam_cp_noti_info *cp_noti_info;
	static int mhs_channel_for_4g, mhs_channel_for_5g;
	static int recv_msg_4g, recv_msg_5g;

	WL_ERR(("[BeyondX] receive message from ril.\n"));
	msg = (struct dev_ril_bridge_msg *)buf;

	if (msg->dev_id == IPC_SYSTEM_CP_CHANNEL_INFO &&
		msg->data_len <= sizeof(struct cam_cp_noti_info)) {
		u8 rat;
		u32 band;
		u32 channel;

		cp_noti_info = (struct cam_cp_noti_info *)msg->data;
		rat = cp_noti_info->rat;
		band = cp_noti_info->band;
		channel = cp_noti_info->channel;

		/* LTE/5G Band/Freq information => Mobile Hotspot channel mapping.
		 * LTE/B40: 38650~39649 => Ch.11
		 * LTE/B41: 39650~41589 => Ch.1
		 * 5G/N41: 499200~537999 => Ch.1
		 */
		if (rat == CP_CHAN_INFO_RAT_MODE_LTE) {
			recv_msg_4g = 1;
			if (channel >= 38650 && channel <= 39649) {
				mhs_channel_for_4g = 11;
			} else if (channel >= 39650 && channel <= 41589) {
				mhs_channel_for_4g = 1;
			}
		}
		if (rat == CP_CHAN_INFO_RAT_MODE_NR5G) {
			recv_msg_5g = 1;
			if (channel >= 499200 && channel <= 537999) {
				mhs_channel_for_5g = 1;
			}
		}

		WL_DBG(("[BeyondX] rat: %u, band: %u, channel: %u, mhs_channel_for_4g: %u, "
			"mhs_channel_for_5g: %u\n", rat, band, channel,
			mhs_channel_for_4g, mhs_channel_for_5g));

		if (recv_msg_4g && recv_msg_5g) {
			if (mhs_channel_for_4g && mhs_channel_for_5g) {
				/* if 4G/B40 + 5G/N41, select channel 6 for MHS */
				if (mhs_channel_for_4g == 11 && mhs_channel_for_5g == 1) {
					g_mhs_chan_for_cpcoex = 6;
				/* if 4G(except for B40) + 5G/N41, select channel 1 for MHS */
				} else {
					g_mhs_chan_for_cpcoex = 1;
				}
			} else {
				g_mhs_chan_for_cpcoex = mhs_channel_for_4g ? mhs_channel_for_4g :
					mhs_channel_for_5g ? mhs_channel_for_5g : 0;
			}
			mhs_channel_for_4g = mhs_channel_for_5g = 0;
			recv_msg_4g = recv_msg_5g = 0;
		}
	}

	return 0;
}

static struct notifier_block wl_cfg80211_ril_bridge_notifier = {
	.notifier_call = wl_cfg80211_ril_bridge_notifier_call,
};

static bool wl_cfg80211_ril_bridge_notifier_registered = FALSE;
#endif /* CONFIG_WLAN_BEYONDX || defined(CONFIG_SEC_5GMODEL) */

static s32
wl_cfg80211_netdev_notifier_call(struct notifier_block * nb,
	unsigned long state, void *ptr)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0))
	struct net_device *dev = ptr;
#else
	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
#endif /* LINUX_VERSION < VERSION(3, 11, 0) */
	struct wireless_dev *wdev = NULL;
	struct bcm_cfg80211 *cfg = NULL;

	WL_DBG(("Enter state:%lu  ndev%p \n", state, dev));
	if (!dev) {
		WL_ERR(("dev null\n"));
		return NOTIFY_DONE;
	}

	wdev = ndev_to_wdev(dev);
	if (!wdev) {
		WL_ERR(("wdev null. Do nothing\n"));
		return NOTIFY_DONE;
	}

	cfg = (struct bcm_cfg80211 *)wiphy_priv(wdev->wiphy);
	if (!cfg || (cfg != wl_cfg80211_get_bcmcfg())) {
		/* If cfg80211 priv is null or doesn't match return */
		WL_ERR(("wrong cfg ptr (%p)\n", cfg));
		return NOTIFY_DONE;
	}

	if (dev == bcmcfg_to_prmry_ndev(cfg)) {
		/* Nothing to be done for primary I/F */
		return NOTIFY_DONE;
	}

	switch (state) {
		case NETDEV_DOWN:
		{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0))
			int max_wait_timeout = 2;
			int max_wait_count = 100;
			int refcnt = 0;
			unsigned long limit = jiffies + max_wait_timeout * HZ;
			while (work_pending(&wdev->cleanup_work)) {
				if (refcnt%5 == 0) {
					WL_ERR(("[NETDEV_DOWN] wait for "
						"complete of cleanup_work"
						" (%d th)\n", refcnt));
				}
				if (!time_before(jiffies, limit)) {
					WL_ERR(("[NETDEV_DOWN] cleanup_work"
						" of CFG80211 is not"
						" completed in %d sec\n",
						max_wait_timeout));
					break;
				}
				if (refcnt >= max_wait_count) {
					WL_ERR(("[NETDEV_DOWN] cleanup_work"
						" of CFG80211 is not"
						" completed in %d loop\n",
						max_wait_count));
					break;
				}
				set_current_state(TASK_INTERRUPTIBLE);
				(void)schedule_timeout(100);
				set_current_state(TASK_RUNNING);
				refcnt++;
			}
#endif /* LINUX_VERSION < VERSION(3, 14, 0) */
			break;
		}
		case NETDEV_UNREGISTER:
			wl_cfg80211_clear_per_bss_ies(cfg, wdev);
			/* after calling list_del_rcu(&wdev->list) */
			wl_dealloc_netinfo_by_wdev(cfg, wdev);
			break;
		case NETDEV_GOING_DOWN:
			/*
			 * At NETDEV_DOWN state, wdev_cleanup_work work will be called.
			 * In front of door, the function checks whether current scan
			 * is working or not. If the scanning is still working,
			 * wdev_cleanup_work call WARN_ON and make the scan done forcibly.
			 */
			if (wl_get_drv_status(cfg, SCANNING, dev))
				wl_cfg80211_cancel_scan(cfg);
			break;
	}
	return NOTIFY_DONE;
}

static struct notifier_block wl_cfg80211_netdev_notifier = {
	.notifier_call = wl_cfg80211_netdev_notifier_call,
};

/*
 * to make sure we won't register the same notifier twice, otherwise a loop is likely to be
 * created in kernel notifier link list (with 'next' pointing to itself)
 */
static bool wl_cfg80211_netdev_notifier_registered = FALSE;

static void wl_cfg80211_concurrent_roam(struct bcm_cfg80211 *cfg, int enable)
{
	u32 connected_cnt  = wl_get_drv_status_all(cfg, CONNECTED);
	bool p2p_connected  = wl_cfgp2p_vif_created(cfg);
	struct net_info *iter, *next;

	if (!(cfg->roam_flags & WL_ROAM_OFF_ON_CONCURRENT))
		return;

	WL_DBG(("roam off:%d p2p_connected:%d connected_cnt:%d \n",
		enable, p2p_connected, connected_cnt));
	/* Disable FW roam when we have a concurrent P2P connection */
	if (enable && p2p_connected && connected_cnt > 1) {

		/* Mark it as to be reverted */
		cfg->roam_flags |= WL_ROAM_REVERT_STATUS;
		GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
		for_each_ndev(cfg, iter, next) {
			GCC_DIAGNOSTIC_POP();
			if (iter->ndev && iter->wdev &&
					iter->wdev->iftype == NL80211_IFTYPE_STATION) {
				if (wldev_iovar_setint(iter->ndev, "roam_off", TRUE)
						== BCME_OK) {
					iter->roam_off = TRUE;
				}
				else {
					WL_ERR(("error to enable roam_off\n"));
				}
			}
		}
	}
	else if (!enable && (cfg->roam_flags & WL_ROAM_REVERT_STATUS)) {
		cfg->roam_flags &= ~WL_ROAM_REVERT_STATUS;
		GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
		for_each_ndev(cfg, iter, next) {
			GCC_DIAGNOSTIC_POP();
			if (iter->ndev && iter->wdev &&
					iter->wdev->iftype == NL80211_IFTYPE_STATION) {
				if (iter->roam_off != WL_INVALID) {
					if (wldev_iovar_setint(iter->ndev, "roam_off", FALSE)
							== BCME_OK) {
						iter->roam_off = FALSE;
					}
					else {
						WL_ERR(("error to disable roam_off\n"));
					}
				}
			}
		}
	}

	return;
}

static void wl_cfg80211_determine_vsdb_mode(struct bcm_cfg80211 *cfg)
{
	struct net_info *iter, *next;
	u32 ctl_chan = 0;
	u32 chanspec = 0;
	u32 pre_ctl_chan = 0;
	u32 connected_cnt  = wl_get_drv_status_all(cfg, CONNECTED);
	cfg->vsdb_mode = false;

	if (connected_cnt <= 1)  {
		return;
	}
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		/* p2p discovery iface ndev could be null */
		if (iter->ndev) {
			chanspec = 0;
			ctl_chan = 0;
			if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) {
				if (wldev_iovar_getint(iter->ndev, "chanspec",
					(s32 *)&chanspec) == BCME_OK) {
					chanspec = wl_chspec_driver_to_host(chanspec);
					ctl_chan = wf_chspec_ctlchan(chanspec);
					wl_update_prof(cfg, iter->ndev, NULL,
						&ctl_chan, WL_PROF_CHAN);
				}
				if (!cfg->vsdb_mode) {
					if (!pre_ctl_chan && ctl_chan)
						pre_ctl_chan = ctl_chan;
					else if (pre_ctl_chan && (pre_ctl_chan != ctl_chan)) {
						cfg->vsdb_mode = true;
					}
				}
			}
		}
	}
	WL_MSG("wlan", "%s concurrency is enabled\n", cfg->vsdb_mode ? "Multi Channel" : "Same Channel");
	return;
}

int
wl_cfg80211_determine_p2p_rsdb_mode(struct bcm_cfg80211 *cfg)
{
	struct net_info *iter, *next;
	u32 chanspec = 0;
	u32 band = 0;
	u32 pre_band = 0;
	bool is_rsdb_supported = FALSE;
	bool rsdb_mode = FALSE;

	is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE);

	if (!is_rsdb_supported) {
		return 0;
	}

	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		/* p2p discovery iface ndev could be null */
		if (iter->ndev) {
			chanspec = 0;
			band = 0;
			if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) {
				if (wldev_iovar_getint(iter->ndev, "chanspec",
					(s32 *)&chanspec) == BCME_OK) {
					chanspec = wl_chspec_driver_to_host(chanspec);
					band = CHSPEC_BAND(chanspec);
				}

				if (!pre_band && band) {
					pre_band = band;
				} else if (pre_band && (pre_band != band)) {
					rsdb_mode = TRUE;
				}
			}
		}
	}
	WL_DBG(("RSDB mode is %s\n", rsdb_mode ? "enabled" : "disabled"));

	return rsdb_mode;
}

static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info,
	enum wl_status state, bool set)
{
	s32 pm = PM_FAST;
	s32 err = BCME_OK;
	u32 mode;
	u32 chan = 0;
	struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg);
	dhd_pub_t *dhd = cfg->pub;
#ifdef RTT_SUPPORT
	rtt_status_info_t *rtt_status;
#endif /* RTT_SUPPORT */
	if (dhd->busstate == DHD_BUS_DOWN) {
		WL_ERR(("busstate is DHD_BUS_DOWN!\n"));
		return 0;
	}
	WL_DBG(("Enter state %d set %d _net_info->pm_restore %d iface %s\n",
		state, set, _net_info->pm_restore, _net_info->ndev->name));

	if (state != WL_STATUS_CONNECTED)
		return 0;
	mode = wl_get_mode_by_netdev(cfg, _net_info->ndev);
	if (set) {
		wl_cfg80211_concurrent_roam(cfg, 1);
		wl_cfg80211_determine_vsdb_mode(cfg);
		if (mode == WL_MODE_AP) {
			if (wl_add_remove_eventmsg(primary_dev, WLC_E_P2P_PROBREQ_MSG, false))
				WL_ERR((" failed to unset WLC_E_P2P_PROPREQ_MSG\n"));
		}
		pm = PM_OFF;
		if ((err = wldev_ioctl_set(_net_info->ndev, WLC_SET_PM, &pm,
				sizeof(pm))) != 0) {
			if (err == -ENODEV)
				WL_DBG(("%s:netdev not ready\n",
					_net_info->ndev->name));
			else
				WL_ERR(("%s:error (%d)\n",
					_net_info->ndev->name, err));

			wl_cfg80211_update_power_mode(_net_info->ndev);
		}
		wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_SHORT);
#if defined(WLTDLS)
		if (wl_cfg80211_is_concurrent_mode(primary_dev)) {
			err = wldev_iovar_setint(primary_dev, "tdls_enable", 0);
		}
#endif /* defined(WLTDLS) */

#ifdef DISABLE_FRAMEBURST_VSDB
		if (!DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE) &&
			wl_cfg80211_is_concurrent_mode(primary_dev) &&
			!wl_cfg80211_determine_p2p_rsdb_mode(cfg)) {
			wl_cfg80211_set_frameburst(cfg, FALSE);
		}
#endif /* DISABLE_FRAMEBURST_VSDB */
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
		if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) &&
			wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) {
			/* Enable frameburst for
			 * STA/SoftAP concurrent mode
			 */
			wl_cfg80211_set_frameburst(cfg, TRUE);
		}
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
	} else { /* clear */
		chan = 0;
		/* clear chan information when the net device is disconnected */
		wl_update_prof(cfg, _net_info->ndev, NULL, &chan, WL_PROF_CHAN);
		wl_cfg80211_determine_vsdb_mode(cfg);
		if (primary_dev == _net_info->ndev) {
			pm = PM_FAST;
#ifdef RTT_SUPPORT
			rtt_status = GET_RTTSTATE(dhd);
			if (rtt_status->status != RTT_ENABLED) {
#endif /* RTT_SUPPORT */
				if (dhd_conf_get_pm(dhd) >= 0)
					pm = dhd_conf_get_pm(dhd);
				if ((err = wldev_ioctl_set(_net_info->ndev, WLC_SET_PM, &pm,
						sizeof(pm))) != 0) {
					if (err == -ENODEV)
						WL_DBG(("%s:netdev not ready\n",
							_net_info->ndev->name));
					else
						WL_ERR(("%s:error (%d)\n",
							_net_info->ndev->name, err));

					wl_cfg80211_update_power_mode(_net_info->ndev);
				}
#ifdef RTT_SUPPORT
			}
#endif /* RTT_SUPPORT */
		}
		wl_cfg80211_concurrent_roam(cfg, 0);
#if defined(WLTDLS)
		if (!wl_cfg80211_is_concurrent_mode(primary_dev)) {
			err = wldev_iovar_setint(primary_dev, "tdls_enable", 1);
		}
#endif /* defined(WLTDLS) */

#if defined(DISABLE_FRAMEBURST_VSDB)
		if (!DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE)) {
			wl_cfg80211_set_frameburst(cfg, TRUE);
		}
#endif /* DISABLE_FRAMEBURST_VSDB */
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
		if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) &&
			(cfg->ap_oper_channel <= CH_MAX_2G_CHANNEL)) {
			/* Disable frameburst for stand-alone 2GHz SoftAP */
			wl_cfg80211_set_frameburst(cfg, FALSE);
		}
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
	}
	return err;
}

#ifdef DHD_LOSSLESS_ROAMING
static s32 wl_init_roam_timeout(struct bcm_cfg80211 *cfg)
{
	int err = 0;

	/* Init roam timer */
	init_timer_compat(&cfg->roam_timeout, wl_roam_timeout, cfg);

	return err;
}
#endif /* DHD_LOSSLESS_ROAMING */

static s32 wl_init_priv(struct bcm_cfg80211 *cfg)
{
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	s32 err = 0;

	cfg->scan_request = NULL;
	cfg->pwr_save = !!(wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT);
#ifdef DISABLE_BUILTIN_ROAM
	cfg->roam_on = false;
#else
	cfg->roam_on = true;
#endif /* DISABLE_BUILTIN_ROAM */
	cfg->active_scan = true;
	cfg->rf_blocked = false;
	cfg->vsdb_mode = false;
#if defined(BCMSDIO) || defined(BCMDBUS)
	cfg->wlfc_on = false;
#endif /* BCMSDIO || BCMDBUS */
	cfg->roam_flags |= WL_ROAM_OFF_ON_CONCURRENT;
	cfg->disable_roam_event = false;
	/* register interested state */
	set_bit(WL_STATUS_CONNECTED, &cfg->interrested_state);
	spin_lock_init(&cfg->cfgdrv_lock);
	mutex_init(&cfg->ioctl_buf_sync);
	init_waitqueue_head(&cfg->netif_change_event);
	init_waitqueue_head(&cfg->wps_done_event);
	init_completion(&cfg->send_af_done);
	init_completion(&cfg->iface_disable);
	mutex_init(&cfg->usr_sync);
	mutex_init(&cfg->event_sync);
	mutex_init(&cfg->if_sync);
	mutex_init(&cfg->scan_sync);
	mutex_init(&cfg->pm_sync);
	mutex_init(&cfg->in4way_sync);
#ifdef WLTDLS
	mutex_init(&cfg->tdls_sync);
#endif	/* WLTDLS */
#ifdef WL_BCNRECV
	mutex_init(&cfg->bcn_sync);
#endif /* WL_BCNRECV */
#ifdef WL_WPS_SYNC
	wl_init_wps_reauth_sm(cfg);
#endif /* WL_WPS_SYNC */
	wl_init_eq(cfg);
	err = wl_init_priv_mem(cfg);
	if (err)
		return err;
	if (wl_create_event_handler(cfg))
		return -ENOMEM;
	wl_init_event_handler(cfg);
	err = wl_init_scan(cfg);
	if (err)
		return err;
#ifdef DHD_LOSSLESS_ROAMING
	err = wl_init_roam_timeout(cfg);
	if (err) {
		return err;
	}
#endif /* DHD_LOSSLESS_ROAMING */
	wl_init_conf(cfg->conf);
	wl_init_prof(cfg, ndev);
	wl_link_down(cfg);
	DNGL_FUNC(dhd_cfg80211_init, (cfg));
#ifdef WL_NAN
	cfg->nan_dp_state = NAN_DP_STATE_DISABLED;
	init_waitqueue_head(&cfg->ndp_if_change_event);
	mutex_init(&cfg->nancfg.nan_sync);
	init_waitqueue_head(&cfg->nancfg.nan_event_wait);
#endif /* WL_NAN */
	cfg->pmk_list->pmkids.length = OFFSETOF(pmkid_list_v3_t, pmkid);
	cfg->pmk_list->pmkids.count = 0;
	cfg->pmk_list->pmkids.version = PMKID_LIST_VER_3;
	return err;
}

static void wl_deinit_priv(struct bcm_cfg80211 *cfg)
{
	DNGL_FUNC(dhd_cfg80211_deinit, (cfg));
	wl_destroy_event_handler(cfg);
	wl_flush_eq(cfg);
	wl_link_down(cfg);
	del_timer_sync(&cfg->scan_timeout);
#ifdef DHD_LOSSLESS_ROAMING
	del_timer_sync(&cfg->roam_timeout);
#endif // endif
	wl_deinit_priv_mem(cfg);
	if (wl_cfg80211_netdev_notifier_registered) {
		wl_cfg80211_netdev_notifier_registered = FALSE;
		unregister_netdevice_notifier(&wl_cfg80211_netdev_notifier);
	}
}

#if defined(WL_ENABLE_P2P_IF)
static s32 wl_cfg80211_attach_p2p(struct bcm_cfg80211 *cfg)
{
	WL_TRACE(("Enter \n"));

	if (wl_cfgp2p_register_ndev(cfg) < 0) {
		WL_ERR(("P2P attach failed. \n"));
		return -ENODEV;
	}

	return 0;
}

static s32  wl_cfg80211_detach_p2p(struct bcm_cfg80211 *cfg)
{
	struct wireless_dev *wdev;

	WL_DBG(("Enter \n"));
	if (!cfg) {
		WL_ERR(("Invalid Ptr\n"));
		return -EINVAL;
	}
	else {
		wdev = cfg->p2p_wdev;
		if (!wdev) {
			WL_ERR(("Invalid Ptr\n"));
			return -EINVAL;
		}
	}

	wl_cfgp2p_unregister_ndev(cfg);

	cfg->p2p_wdev = NULL;
	cfg->p2p_net = NULL;
	WL_DBG(("Freeing 0x%p \n", wdev));
	kfree(wdev);

	return 0;
}
#endif 

static s32 wl_cfg80211_attach_post(struct net_device *ndev)
{
	struct bcm_cfg80211 * cfg;
	s32 err = 0;
	s32 ret = 0;
	WL_TRACE(("In\n"));
	if (unlikely(!ndev)) {
		WL_ERR(("ndev is invaild\n"));
		return -ENODEV;
	}
	cfg = wl_get_cfg(ndev);
	if (unlikely(!cfg)) {
		WL_ERR(("cfg is invaild\n"));
		return -EINVAL;
	}
	if (!wl_get_drv_status(cfg, READY, ndev)) {
		if (cfg->wdev) {
			ret = wl_cfgp2p_supported(cfg, ndev);
			if (ret > 0) {
#if !defined(WL_ENABLE_P2P_IF)
				cfg->wdev->wiphy->interface_modes |=
					(BIT(NL80211_IFTYPE_P2P_CLIENT)|
					BIT(NL80211_IFTYPE_P2P_GO));
#endif /* !WL_ENABLE_P2P_IF */
				if ((err = wl_cfgp2p_init_priv(cfg)) != 0)
					goto fail;

#if defined(WL_ENABLE_P2P_IF)
				if (cfg->p2p_net) {
					/* Update MAC addr for p2p0 interface here. */
					memcpy(cfg->p2p_net->dev_addr, ndev->dev_addr, ETH_ALEN);
					cfg->p2p_net->dev_addr[0] |= 0x02;
					WL_MSG(cfg->p2p_net->name, "p2p_dev_addr="MACDBG "\n",
						MAC2STRDBG(cfg->p2p_net->dev_addr));
				} else {
					WL_ERR(("p2p_net not yet populated."
					" Couldn't update the MAC Address for p2p0 \n"));
					return -ENODEV;
				}
#endif /* WL_ENABLE_P2P_IF */
				cfg->p2p_supported = true;
			} else if (ret == 0) {
				if ((err = wl_cfgp2p_init_priv(cfg)) != 0)
					goto fail;
			} else {
				/* SDIO bus timeout */
				err = -ENODEV;
				goto fail;
			}
		}
	}
	wl_set_drv_status(cfg, READY, ndev);
fail:
	return err;
}

struct bcm_cfg80211 *wl_get_cfg(struct net_device *ndev)
{
	struct wireless_dev *wdev = ndev->ieee80211_ptr;

	if (!wdev || !wdev->wiphy)
		return NULL;

	return wiphy_priv(wdev->wiphy);
}

s32
wl_cfg80211_net_attach(struct net_device *primary_ndev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(primary_ndev);

	if (!cfg) {
		WL_ERR(("cfg null\n"));
		return BCME_ERROR;
	}
#ifdef WL_STATIC_IF
	/* Register dummy n/w iface. FW init will happen only from dev_open */
	if (wl_cfg80211_register_static_if(cfg, NL80211_IFTYPE_STATION,
		WL_STATIC_IFNAME_PREFIX) == NULL) {
		WL_ERR(("static i/f registration failed!\n"));
		return BCME_ERROR;
	}
#endif /* WL_STATIC_IF */
	return BCME_OK;
}

s32 wl_cfg80211_attach(struct net_device *ndev, void *context)
{
	struct wireless_dev *wdev;
	struct bcm_cfg80211 *cfg;
	s32 err = 0;
	struct device *dev;
	u16 bssidx = 0;
	u16 ifidx = 0;
	dhd_pub_t *dhd = (struct dhd_pub *)(context);

	WL_TRACE(("In\n"));
	if (!ndev) {
		WL_ERR(("ndev is invaild\n"));
		return -ENODEV;
	}
	WL_DBG(("func %p\n", wl_cfg80211_get_parent_dev()));
	dev = wl_cfg80211_get_parent_dev();

	wdev = (struct wireless_dev *)MALLOCZ(dhd->osh, sizeof(*wdev));
	if (unlikely(!wdev)) {
		WL_ERR(("Could not allocate wireless device\n"));
		return -ENOMEM;
	}
	err = wl_setup_wiphy(wdev, dev, context);
	if (unlikely(err)) {
		MFREE(dhd->osh, wdev, sizeof(*wdev));
		return -ENOMEM;
	}
	wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS);
	cfg = wiphy_priv(wdev->wiphy);
	cfg->wdev = wdev;
	cfg->pub = context;
	cfg->osh = dhd->osh;
	INIT_LIST_HEAD(&cfg->net_list);
	INIT_LIST_HEAD(&cfg->vndr_oui_list);
	spin_lock_init(&cfg->vndr_oui_sync);
	spin_lock_init(&cfg->net_list_sync);
	ndev->ieee80211_ptr = wdev;
	SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
	wdev->netdev = ndev;
	cfg->state_notifier = wl_notifier_change_state;
	err = wl_alloc_netinfo(cfg, ndev, wdev, WL_IF_TYPE_STA, PM_ENABLE, bssidx, ifidx);
	if (err) {
		WL_ERR(("Failed to alloc net_info (%d)\n", err));
		goto cfg80211_attach_out;
	}
	err = wl_init_priv(cfg);
	if (err) {
		WL_ERR(("Failed to init iwm_priv (%d)\n", err));
		goto cfg80211_attach_out;
	}

	err = wl_setup_rfkill(cfg, TRUE);
	if (err) {
		WL_ERR(("Failed to setup rfkill %d\n", err));
		goto cfg80211_attach_out;
	}
#ifdef DEBUGFS_CFG80211
	err = wl_setup_debugfs(cfg);
	if (err) {
		WL_ERR(("Failed to setup debugfs %d\n", err));
		goto cfg80211_attach_out;
	}
#endif // endif
	if (!wl_cfg80211_netdev_notifier_registered) {
		wl_cfg80211_netdev_notifier_registered = TRUE;
		err = register_netdevice_notifier(&wl_cfg80211_netdev_notifier);
		if (err) {
			wl_cfg80211_netdev_notifier_registered = FALSE;
			WL_ERR(("Failed to register notifierl %d\n", err));
			goto cfg80211_attach_out;
		}
	}
#if defined(COEX_DHCP)
	cfg->btcoex_info = wl_cfg80211_btcoex_init(cfg->wdev->netdev);
	if (!cfg->btcoex_info)
		goto cfg80211_attach_out;
#endif // endif

#if defined(WL_ENABLE_P2P_IF)
	err = wl_cfg80211_attach_p2p(cfg);
	if (err)
		goto cfg80211_attach_out;
#endif 

	INIT_DELAYED_WORK(&cfg->pm_enable_work, wl_cfg80211_work_handler);
#ifdef WL_NAN
	WL_DBG(("NAN: Armed wl_cfgnan_delayed_disable work\n"));
	INIT_DELAYED_WORK(&cfg->nan_disable, wl_cfgnan_delayed_disable);
#endif /* WL_NAN */
	cfg->rssi_sum_report = FALSE;
	return err;

cfg80211_attach_out:
	wl_cfg80211_detach(cfg);
	return err;
}

void wl_cfg80211_detach(struct bcm_cfg80211 *cfg)
{
	WL_DBG(("Enter\n"));
	if (!cfg) {
		return;
	}
	wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);

#if defined(COEX_DHCP)
	wl_cfg80211_btcoex_deinit();
	cfg->btcoex_info = NULL;
#endif // endif

	wl_setup_rfkill(cfg, FALSE);
#ifdef DEBUGFS_CFG80211
	wl_free_debugfs(cfg);
#endif // endif
	if (cfg->p2p_supported) {
		if (timer_pending(&cfg->p2p->listen_timer))
			del_timer_sync(&cfg->p2p->listen_timer);
		wl_cfgp2p_deinit_priv(cfg);
	}

#ifdef WL_WPS_SYNC
	wl_deinit_wps_reauth_sm(cfg);
#endif /* WL_WPS_SYNC */

	if (timer_pending(&cfg->scan_timeout))
		del_timer_sync(&cfg->scan_timeout);
#ifdef DHD_LOSSLESS_ROAMING
	if (timer_pending(&cfg->roam_timeout)) {
		del_timer_sync(&cfg->roam_timeout);
	}
#endif /* DHD_LOSSLESS_ROAMING */

#ifdef WL_STATIC_IF
	wl_cfg80211_unregister_static_if(cfg);
#endif /* WL_STATIC_IF */
#if defined(WL_CFG80211_P2P_DEV_IF)
	if (cfg->p2p_wdev)
		wl_cfgp2p_del_p2p_disc_if(cfg->p2p_wdev, cfg);
#endif /* WL_CFG80211_P2P_DEV_IF  */
#if defined(WL_ENABLE_P2P_IF)
	wl_cfg80211_detach_p2p(cfg);
#endif 
	wl_cfg80211_ibss_vsie_free(cfg);
	wl_dealloc_netinfo_by_wdev(cfg, cfg->wdev);
	wl_cfg80211_set_bcmcfg(NULL);
	wl_deinit_priv(cfg);
	wl_cfg80211_clear_parent_dev();
#if defined(RSSIAVG)
	wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
	wl_free_rssi_cache(&cfg->g_connected_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
	wl_release_bss_cache_ctrl(&cfg->g_bss_cache_ctrl);
#endif
	wl_free_wdev(cfg);
	/* PLEASE do NOT call any function after wl_free_wdev, the driver's private
	 * structure "cfg", which is the private part of wiphy, has been freed in
	 * wl_free_wdev !!!!!!!!!!!
	 */
	WL_DBG(("Exit\n"));
}

#if defined(CONFIG_WLAN_BEYONDX) || defined(CONFIG_SEC_5GMODEL)
void wl_cfg80211_register_dev_ril_bridge_event_notifier()
{
	WL_DBG(("Enter\n"));
	if (!wl_cfg80211_ril_bridge_notifier_registered) {
		s32 err = 0;
		wl_cfg80211_ril_bridge_notifier_registered = TRUE;
		err = register_dev_ril_bridge_event_notifier(&wl_cfg80211_ril_bridge_notifier);
		if (err) {
			wl_cfg80211_ril_bridge_notifier_registered = FALSE;
			WL_ERR(("Failed to register ril_notifier! %d\n", err));
		}
	}
}

void wl_cfg80211_unregister_dev_ril_bridge_event_notifier()
{
	WL_DBG(("Enter\n"));
	if (wl_cfg80211_ril_bridge_notifier_registered) {
		wl_cfg80211_ril_bridge_notifier_registered = FALSE;
		unregister_dev_ril_bridge_event_notifier(&wl_cfg80211_ril_bridge_notifier);
	}
}
#endif /* CONFIG_WLAN_BEYONDX || defined(CONFIG_SEC_5GMODEL) */

static void wl_print_event_data(struct bcm_cfg80211 *cfg,
	uint32 event_type, const wl_event_msg_t *e)
{
	s32 status = ntoh32(e->status);
	s32 reason = ntoh32(e->reason);
	s32 ifidx = ntoh32(e->ifidx);
	s32 bssidx = ntoh32(e->bsscfgidx);

	switch (event_type) {
		case WLC_E_ESCAN_RESULT:
			if ((status == WLC_E_STATUS_SUCCESS) ||
				(status == WLC_E_STATUS_ABORT)) {
				WL_INFORM_MEM(("event_type (%d), ifidx: %d"
					" bssidx: %d scan_type:%d\n",
					event_type, ifidx, bssidx, status));
			}
			break;
		case WLC_E_LINK:
		case WLC_E_DISASSOC:
		case WLC_E_DISASSOC_IND:
		case WLC_E_DEAUTH:
		case WLC_E_DEAUTH_IND:
			WL_INFORM_MEM(("event_type (%d), ifidx: %d bssidx: %d"
				" status:%d reason:%d\n",
				event_type, ifidx, bssidx, status, reason));
				break;

		default:
			/* Print only when DBG verbose is enabled */
			WL_DBG(("event_type (%d), ifidx: %d bssidx: %d status:%d reason: %d\n",
				event_type, ifidx, bssidx, status, reason));
	}
}

static void wl_event_handler(struct work_struct *work_data)
{
	struct bcm_cfg80211 *cfg = NULL;
	struct wl_event_q *e;
	struct wireless_dev *wdev = NULL;

	WL_DBG(("Enter \n"));
	BCM_SET_CONTAINER_OF(cfg, work_data, struct bcm_cfg80211, event_work);
	cfg->wl_evt_hdlr_entry_time = OSL_LOCALTIME_NS();
	DHD_EVENT_WAKE_LOCK(cfg->pub);
	while ((e = wl_deq_event(cfg))) {
		s32 status = ntoh32(e->emsg.status);
		u32 event_type = ntoh32(e->emsg.event_type);
		bool scan_cmplt_evt = (event_type == WLC_E_ESCAN_RESULT) &&
			((status == WLC_E_STATUS_SUCCESS) || (status == WLC_E_STATUS_ABORT));

		cfg->wl_evt_deq_time = OSL_LOCALTIME_NS();
		if (scan_cmplt_evt) {
			cfg->scan_deq_time = OSL_LOCALTIME_NS();
		}
		/* Print only critical events to avoid too many prints */
		wl_print_event_data(cfg, e->etype, &e->emsg);

		if (e->emsg.ifidx > WL_MAX_IFS) {
			WL_ERR((" Event ifidx not in range. val:%d \n", e->emsg.ifidx));
			goto fail;
		}

		/* Make sure iface operations, don't creat race conditions */
		mutex_lock(&cfg->if_sync);
		if (!(wdev = wl_get_wdev_by_fw_idx(cfg,
			e->emsg.bsscfgidx, e->emsg.ifidx))) {
			/* For WLC_E_IF would be handled by wl_host_event */
			if (e->etype != WLC_E_IF)
				WL_ERR(("No wdev corresponding to bssidx: 0x%x found!"
					" Ignoring event.\n", e->emsg.bsscfgidx));
		} else if (e->etype < WLC_E_LAST && cfg->evt_handler[e->etype]) {
			dhd_pub_t *dhd = (struct dhd_pub *)(cfg->pub);
			if (dhd->busstate == DHD_BUS_DOWN) {
				WL_ERR((": BUS is DOWN.\n"));
			} else
			{
				WL_DBG(("event_type %d event_sub %d\n",
					ntoh32(e->emsg.event_type),
					ntoh32(e->emsg.reason)));
				cfg->evt_handler[e->etype](cfg, wdev_to_cfgdev(wdev),
					&e->emsg, e->edata);
				if (scan_cmplt_evt) {
					cfg->scan_hdlr_cmplt_time = OSL_LOCALTIME_NS();
				}
			}
		} else {
			WL_DBG(("Unknown Event (%d): ignoring\n", e->etype));
		}
		mutex_unlock(&cfg->if_sync);
fail:
		wl_put_event(cfg, e);
		if (scan_cmplt_evt) {
			cfg->scan_cmplt_time = OSL_LOCALTIME_NS();
		}
		cfg->wl_evt_hdlr_exit_time = OSL_LOCALTIME_NS();
	}
	DHD_EVENT_WAKE_UNLOCK(cfg->pub);
}

/*
* Generic API to handle critical events which doesnt need
* cfg enquening and sleepable API calls.
*/
s32
wl_cfg80211_handle_critical_events(struct bcm_cfg80211 *cfg,
	const wl_event_msg_t * e)
{
	s32 ret = BCME_ERROR;
	u32 event_type = ntoh32(e->event_type);

	if (event_type >= WLC_E_LAST) {
		return BCME_ERROR;
	}

	switch (event_type) {
		case WLC_E_NAN_CRITICAL: {
#ifdef WL_NAN
		if (ntoh32(e->reason) == WL_NAN_EVENT_STOP) {
			ret =
			wl_cfgvendor_nan_send_async_disable_resp(cfg->static_ndev->ieee80211_ptr);
		}
#endif /* WL_NAN */
			break;
		}
		default:
			ret = BCME_ERROR;
	}
	return ret;
}

void
wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data)
{
	s32 status = ntoh32(e->status);
	u32 event_type = ntoh32(e->event_type);
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	struct net_info *netinfo;

	WL_DBG(("event_type (%d): reason (%d): %s\n", event_type, ntoh32(e->reason),
		bcmevent_get_name(event_type)));
	if ((cfg == NULL) || (cfg->p2p_supported && cfg->p2p == NULL)) {
		WL_ERR(("Stale event ignored\n"));
		return;
	}

	if (cfg->event_workq == NULL) {
		WL_ERR(("Event handler is not created\n"));
		return;
	}

	if (event_type == WLC_E_IF) {
		/* Don't process WLC_E_IF events in wl_cfg80211 layer */
		return;
	}

	netinfo = wl_get_netinfo_by_fw_idx(cfg, e->bsscfgidx, e->ifidx);
	if (!netinfo) {
		/* Since the netinfo entry is not there, the netdev entry is not
		 * created via cfg80211 interface. so the event is not of interest
		 * to the cfg80211 layer.
		 */
		WL_TRACE(("ignore event %d, not interested\n", event_type));
		return;
	}

	/* Handle wl_cfg80211_critical_events */
	if (wl_cfg80211_handle_critical_events(cfg, e) == BCME_OK) {
		return;
	}

	if (event_type == WLC_E_PFN_NET_FOUND) {
		WL_DBG((" PNOEVENT: PNO_NET_FOUND\n"));
	}
	else if (event_type == WLC_E_PFN_NET_LOST) {
		WL_DBG((" PNOEVENT: PNO_NET_LOST\n"));
	}

	if (likely(!wl_enq_event(cfg, ndev, event_type, e, data))) {
		queue_work(cfg->event_workq, &cfg->event_work);
	}
	/* Mark timeout value for thread sched */
	if ((event_type == WLC_E_ESCAN_RESULT) &&
		((status == WLC_E_STATUS_SUCCESS) ||
		(status == WLC_E_STATUS_ABORT)))  {
		cfg->scan_enq_time = OSL_LOCALTIME_NS();
		WL_INFORM_MEM(("Enqueing escan completion (%d). WQ state:0x%x \n",
			status, work_busy(&cfg->event_work)));
	}
}

static void wl_init_eq(struct bcm_cfg80211 *cfg)
{
	wl_init_eq_lock(cfg);
	INIT_LIST_HEAD(&cfg->eq_list);
}

static void wl_flush_eq(struct bcm_cfg80211 *cfg)
{
	struct wl_event_q *e;
	unsigned long flags;

	flags = wl_lock_eq(cfg);
	while (!list_empty_careful(&cfg->eq_list)) {
		BCM_SET_LIST_FIRST_ENTRY(e, &cfg->eq_list, struct wl_event_q, eq_list);
		list_del(&e->eq_list);
		MFREE(cfg->osh, e, e->datalen + sizeof(struct wl_event_q));
	}
	wl_unlock_eq(cfg, flags);
}

/*
* retrieve first queued event from head
*/

static struct wl_event_q *wl_deq_event(struct bcm_cfg80211 *cfg)
{
	struct wl_event_q *e = NULL;
	unsigned long flags;

	flags = wl_lock_eq(cfg);
	if (likely(!list_empty(&cfg->eq_list))) {
		BCM_SET_LIST_FIRST_ENTRY(e, &cfg->eq_list, struct wl_event_q, eq_list);
		list_del(&e->eq_list);
	}
	wl_unlock_eq(cfg, flags);

	return e;
}

/*
 * push event to tail of the queue
 */

static s32
wl_enq_event(struct bcm_cfg80211 *cfg, struct net_device *ndev, u32 event,
	const wl_event_msg_t *msg, void *data)
{
	struct wl_event_q *e;
	s32 err = 0;
	uint32 evtq_size;
	uint32 data_len;
	unsigned long flags;

	data_len = 0;
	if (data)
		data_len = ntoh32(msg->datalen);
	evtq_size = (uint32)(sizeof(struct wl_event_q) + data_len);
	e = (struct wl_event_q *)MALLOCZ(cfg->osh, evtq_size);
	if (unlikely(!e)) {
		WL_ERR(("event alloc failed\n"));
		return -ENOMEM;
	}
	e->etype = event;
	memcpy(&e->emsg, msg, sizeof(wl_event_msg_t));
	if (data)
		memcpy(e->edata, data, data_len);
	e->datalen = data_len;
	flags = wl_lock_eq(cfg);
	list_add_tail(&e->eq_list, &cfg->eq_list);
	wl_unlock_eq(cfg, flags);

	return err;
}

static void wl_put_event(struct bcm_cfg80211 *cfg, struct wl_event_q *e)
{
	MFREE(cfg->osh, e, e->datalen + sizeof(struct wl_event_q));
}

static s32 wl_config_infra(struct bcm_cfg80211 *cfg, struct net_device *ndev, u16 iftype)
{
	s32 infra = 0;
	s32 err = 0;
	bool skip_infra = false;

	switch (iftype) {
		case WL_IF_TYPE_IBSS:
		case WL_IF_TYPE_AIBSS:
			infra = 0;
			break;
		case WL_IF_TYPE_AP:
		case WL_IF_TYPE_STA:
		case WL_IF_TYPE_P2P_GO:
		case WL_IF_TYPE_P2P_GC:
			/* Intentional fall through */
			infra = 1;
			break;
		case WL_IF_TYPE_MONITOR:
		case WL_IF_TYPE_NAN:
			/* Intentionall fall through */
		default:
			skip_infra = true;
			WL_ERR(("Skipping infra setting for type:%d\n", iftype));
			break;
	}

	if (!skip_infra) {
		infra = htod32(infra);
		err = wldev_ioctl_set(ndev, WLC_SET_INFRA, &infra, sizeof(infra));
		if (unlikely(err)) {
			WL_ERR(("WLC_SET_INFRA error (%d)\n", err));
			return err;
		}
	}
	return 0;
}

void wl_cfg80211_add_to_eventbuffer(struct wl_eventmsg_buf *ev, u16 event, bool set)
{
	if (!ev || (event > WLC_E_LAST))
		return;

	if (ev->num < MAX_EVENT_BUF_NUM) {
		ev->event[ev->num].type = event;
		ev->event[ev->num].set = set;
		ev->num++;
	} else {
		WL_ERR(("evenbuffer doesn't support > %u events. Update"
			" the define MAX_EVENT_BUF_NUM \n", MAX_EVENT_BUF_NUM));
		ASSERT(0);
	}
}

s32 wl_cfg80211_apply_eventbuffer(
	struct net_device *ndev,
	struct bcm_cfg80211 *cfg,
	wl_eventmsg_buf_t *ev)
{
	char eventmask[WL_EVENTING_MASK_LEN];
	int i, ret = 0;
	s8 iovbuf[WL_EVENTING_MASK_LEN + 12];

	if (!ev || (!ev->num))
		return -EINVAL;

	mutex_lock(&cfg->event_sync);

	/* Read event_msgs mask */
	ret = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL);
	if (unlikely(ret)) {
		WL_ERR(("Get event_msgs error (%d)\n", ret));
		goto exit;
	}
	memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN);

	/* apply the set bits */
	for (i = 0; i < ev->num; i++) {
		if (ev->event[i].set)
			setbit(eventmask, ev->event[i].type);
		else
			clrbit(eventmask, ev->event[i].type);
	}

	/* Write updated Event mask */
	ret = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, sizeof(eventmask), iovbuf,
			sizeof(iovbuf), NULL);
	if (unlikely(ret)) {
		WL_ERR(("Set event_msgs error (%d)\n", ret));
	}

exit:
	mutex_unlock(&cfg->event_sync);
	return ret;
}

s32 wl_add_remove_eventmsg(struct net_device *ndev, u16 event, bool add)
{
	s8 iovbuf[WL_EVENTING_MASK_LEN + 12];
	s8 eventmask[WL_EVENTING_MASK_LEN];
	s32 err = 0;
	struct bcm_cfg80211 *cfg;

	if (!ndev)
		return -ENODEV;

	cfg = wl_get_cfg(ndev);
	if (!cfg)
		return -ENODEV;

	mutex_lock(&cfg->event_sync);

	/* Setup event_msgs */
	err = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL);
	if (unlikely(err)) {
		WL_ERR(("Get event_msgs error (%d)\n", err));
		goto eventmsg_out;
	}
	memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN);
	if (add) {
		setbit(eventmask, event);
	} else {
		clrbit(eventmask, event);
	}
	err = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf,
			sizeof(iovbuf), NULL);
	if (unlikely(err)) {
		WL_ERR(("Set event_msgs error (%d)\n", err));
		goto eventmsg_out;
	}

eventmsg_out:
	mutex_unlock(&cfg->event_sync);
	return err;
}

static int wl_construct_reginfo(struct bcm_cfg80211 *cfg, s32 bw_cap)
{
	struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
	struct ieee80211_channel *band_chan_arr = NULL;
	wl_uint32_list_t *list;
	u32 i, j, index, n_2g, n_5g, band, channel, array_size;
	u32 *n_cnt = NULL;
	chanspec_t c = 0;
	s32 err = BCME_OK;
	bool update;
	bool ht40_allowed;
	u8 *pbuf = NULL;
	bool dfs_radar_disabled = FALSE;

#define LOCAL_BUF_LEN 2048
	pbuf = (u8 *)MALLOCZ(cfg->osh, LOCAL_BUF_LEN);
	if (pbuf == NULL) {
		WL_ERR(("failed to allocate local buf\n"));
		return -ENOMEM;
	}

	err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL,
		0, pbuf, LOCAL_BUF_LEN, 0, &cfg->ioctl_buf_sync);
	if (err != 0) {
		WL_ERR(("get chanspecs failed with %d\n", err));
		MFREE(cfg->osh, pbuf, LOCAL_BUF_LEN);
		return err;
	}

	list = (wl_uint32_list_t *)(void *)pbuf;
	band = array_size = n_2g = n_5g = 0;
	for (i = 0; i < dtoh32(list->count); i++) {
		index = 0;
		update = false;
		ht40_allowed = false;
		c = (chanspec_t)dtoh32(list->element[i]);
		c = wl_chspec_driver_to_host(c);
		channel = wf_chspec_ctlchan(c);

		if (!CHSPEC_IS40(c) && ! CHSPEC_IS20(c)) {
			WL_DBG(("HT80/160/80p80 center channel : %d\n", channel));
			continue;
		}
		if (CHSPEC_IS2G(c) && (channel >= CH_MIN_2G_CHANNEL) &&
			(channel <= CH_MAX_2G_CHANNEL)) {
			band_chan_arr = __wl_2ghz_channels;
			array_size = ARRAYSIZE(__wl_2ghz_channels);
			n_cnt = &n_2g;
			band = IEEE80211_BAND_2GHZ;
			ht40_allowed = (bw_cap  == WLC_N_BW_40ALL)? true : false;
		} else if (CHSPEC_IS5G(c) && channel >= CH_MIN_5G_CHANNEL) {
			band_chan_arr = __wl_5ghz_a_channels;
			array_size = ARRAYSIZE(__wl_5ghz_a_channels);
			n_cnt = &n_5g;
			band = IEEE80211_BAND_5GHZ;
			ht40_allowed = (bw_cap  == WLC_N_BW_20ALL)? false : true;
		} else {
			WL_ERR(("Invalid channel Sepc. 0x%x.\n", c));
			continue;
		}
		if (!ht40_allowed && CHSPEC_IS40(c))
			continue;
		for (j = 0; (j < *n_cnt && (*n_cnt < array_size)); j++) {
			if (band_chan_arr[j].hw_value == channel) {
				update = true;
				break;
			}
		}
		if (update)
			index = j;
		else
			index = *n_cnt;
		if (!dhd_conf_match_channel(cfg->pub, channel))
			continue;
		if (index <  array_size) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
			band_chan_arr[index].center_freq =
				ieee80211_channel_to_frequency(channel);
#else
			band_chan_arr[index].center_freq =
				ieee80211_channel_to_frequency(channel, band);
#endif // endif
			band_chan_arr[index].hw_value = channel;
			band_chan_arr[index].beacon_found = false;

			if (CHSPEC_IS40(c) && ht40_allowed) {
				/* assuming the order is HT20, HT40 Upper,
				 *  HT40 lower from chanspecs
				 */
				u32 ht40_flag = band_chan_arr[index].flags & IEEE80211_CHAN_NO_HT40;
				if (CHSPEC_SB_UPPER(c)) {
					if (ht40_flag == IEEE80211_CHAN_NO_HT40)
						band_chan_arr[index].flags &=
							~IEEE80211_CHAN_NO_HT40;
					band_chan_arr[index].flags |= IEEE80211_CHAN_NO_HT40PLUS;
				} else {
					/* It should be one of
					 * IEEE80211_CHAN_NO_HT40 or IEEE80211_CHAN_NO_HT40PLUS
					 */
					band_chan_arr[index].flags &= ~IEEE80211_CHAN_NO_HT40;
					if (ht40_flag == IEEE80211_CHAN_NO_HT40)
						band_chan_arr[index].flags |=
							IEEE80211_CHAN_NO_HT40MINUS;
				}
			} else {
				band_chan_arr[index].flags = IEEE80211_CHAN_NO_HT40;
				if (!dfs_radar_disabled) {
					if (band == IEEE80211_BAND_2GHZ)
						channel |= WL_CHANSPEC_BAND_2G;
					else
						channel |= WL_CHANSPEC_BAND_5G;
					channel |= WL_CHANSPEC_BW_20;
					channel = wl_chspec_host_to_driver(channel);
					err = wldev_iovar_getint(dev, "per_chan_info", &channel);
					if (!err) {
						if (channel & WL_CHAN_RADAR) {
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
							band_chan_arr[index].flags |=
								(IEEE80211_CHAN_RADAR
								| IEEE80211_CHAN_NO_IBSS);
#else
							band_chan_arr[index].flags |=
								IEEE80211_CHAN_RADAR;
#endif // endif
						}

						if (channel & WL_CHAN_PASSIVE)
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
							band_chan_arr[index].flags |=
								IEEE80211_CHAN_PASSIVE_SCAN;
#else
							band_chan_arr[index].flags |=
								IEEE80211_CHAN_NO_IR;
#endif // endif
					} else if (err == BCME_UNSUPPORTED) {
						dfs_radar_disabled = TRUE;
						WL_ERR(("does not support per_chan_info\n"));
					}
				}
			}
			if (!update)
				(*n_cnt)++;
		}

	}
	__wl_band_2ghz.n_channels = n_2g;
	__wl_band_5ghz_a.n_channels = n_5g;
	MFREE(cfg->osh, pbuf, LOCAL_BUF_LEN);
#undef LOCAL_BUF_LEN

	return err;
}

static s32 __wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify)
{
	struct wiphy *wiphy;
	struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
	u32 bandlist[3];
	u32 nband = 0;
	u32 i = 0;
	s32 err = 0;
	s32 index = 0;
	s32 nmode = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	u32 j = 0;
	s32 vhtmode = 0;
	s32 txstreams = 0;
	s32 rxstreams = 0;
	s32 ldpc_cap = 0;
	s32 stbc_rx = 0;
	s32 stbc_tx = 0;
	s32 txbf_bfe_cap = 0;
	s32 txbf_bfr_cap = 0;
#endif // endif
	s32 bw_cap = 0;
	s32 cur_band = -1;
	struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS] = {NULL, };

	bzero(bandlist, sizeof(bandlist));
	err = wldev_ioctl_get(dev, WLC_GET_BANDLIST, bandlist,
		sizeof(bandlist));
	if (unlikely(err)) {
		WL_ERR(("error read bandlist (%d)\n", err));
		return err;
	}
	err = wldev_ioctl_get(dev, WLC_GET_BAND, &cur_band,
		sizeof(s32));
	if (unlikely(err)) {
		WL_ERR(("error (%d)\n", err));
		return err;
	}

	err = wldev_iovar_getint(dev, "nmode", &nmode);
	if (unlikely(err)) {
		WL_ERR(("error reading nmode (%d)\n", err));
	}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	err = wldev_iovar_getint(dev, "vhtmode", &vhtmode);
	if (unlikely(err)) {
		WL_ERR(("error reading vhtmode (%d)\n", err));
	}

	if (vhtmode) {
		err = wldev_iovar_getint(dev, "txstreams", &txstreams);
		if (unlikely(err)) {
			WL_ERR(("error reading txstreams (%d)\n", err));
		}

		err = wldev_iovar_getint(dev, "rxstreams", &rxstreams);
		if (unlikely(err)) {
			WL_ERR(("error reading rxstreams (%d)\n", err));
		}

		err = wldev_iovar_getint(dev, "ldpc_cap", &ldpc_cap);
		if (unlikely(err)) {
			WL_ERR(("error reading ldpc_cap (%d)\n", err));
		}

		err = wldev_iovar_getint(dev, "stbc_rx", &stbc_rx);
		if (unlikely(err)) {
			WL_ERR(("error reading stbc_rx (%d)\n", err));
		}

		err = wldev_iovar_getint(dev, "stbc_tx", &stbc_tx);
		if (unlikely(err)) {
			WL_ERR(("error reading stbc_tx (%d)\n", err));
		}

		err = wldev_iovar_getint(dev, "txbf_bfe_cap", &txbf_bfe_cap);
		if (unlikely(err)) {
			WL_ERR(("error reading txbf_bfe_cap (%d)\n", err));
		}

		err = wldev_iovar_getint(dev, "txbf_bfr_cap", &txbf_bfr_cap);
		if (unlikely(err)) {
			WL_ERR(("error reading txbf_bfr_cap (%d)\n", err));
		}
	}
#endif // endif

	/* For nmode and vhtmode   check bw cap */
	if (nmode ||
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
		vhtmode ||
#endif // endif
		0) {
		err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap);
		if (unlikely(err)) {
			WL_ERR(("error get mimo_bw_cap (%d)\n", err));
		}
	}

	err = wl_construct_reginfo(cfg, bw_cap);
	if (err) {
		WL_ERR(("wl_construct_reginfo() fails err=%d\n", err));
		if (err != BCME_UNSUPPORTED)
			return err;
	}

	wiphy = bcmcfg_to_wiphy(cfg);
	nband = bandlist[0];

	for (i = 1; i <= nband && i < ARRAYSIZE(bandlist); i++) {
		index = -1;
		if (bandlist[i] == WLC_BAND_5G && __wl_band_5ghz_a.n_channels > 0) {
			bands[IEEE80211_BAND_5GHZ] =
				&__wl_band_5ghz_a;
			index = IEEE80211_BAND_5GHZ;
			if (nmode && (bw_cap == WLC_N_BW_40ALL || bw_cap == WLC_N_BW_20IN2G_40IN5G))
				bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
			/* VHT capabilities. */
			if (vhtmode) {
				/* Supported */
				bands[index]->vht_cap.vht_supported = TRUE;

				for (j = 1; j <= VHT_CAP_MCS_MAP_NSS_MAX; j++) {
					/* TX stream rates. */
					if (j <= txstreams) {
						VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9,
							bands[index]->vht_cap.vht_mcs.tx_mcs_map);
					} else {
						VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE,
							bands[index]->vht_cap.vht_mcs.tx_mcs_map);
					}

					/* RX stream rates. */
					if (j <= rxstreams) {
						VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9,
							bands[index]->vht_cap.vht_mcs.rx_mcs_map);
					} else {
						VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE,
							bands[index]->vht_cap.vht_mcs.rx_mcs_map);
					}
				}

				/* Capabilities */
				/* 80 MHz is mandatory */
				bands[index]->vht_cap.cap |=
					IEEE80211_VHT_CAP_SHORT_GI_80;

				if (WL_BW_CAP_160MHZ(bw_cap)) {
					bands[index]->vht_cap.cap |=
						IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
					bands[index]->vht_cap.cap |=
						IEEE80211_VHT_CAP_SHORT_GI_160;
				}

				bands[index]->vht_cap.cap |=
					IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;

				if (ldpc_cap)
					bands[index]->vht_cap.cap |=
						IEEE80211_VHT_CAP_RXLDPC;

				if (stbc_tx)
					bands[index]->vht_cap.cap |=
						IEEE80211_VHT_CAP_TXSTBC;

				if (stbc_rx)
					bands[index]->vht_cap.cap |=
						(stbc_rx << VHT_CAP_INFO_RX_STBC_SHIFT);

				if (txbf_bfe_cap)
					bands[index]->vht_cap.cap |=
						IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;

				if (txbf_bfr_cap) {
					bands[index]->vht_cap.cap |=
						IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
				}

				if (txbf_bfe_cap || txbf_bfr_cap) {
					bands[index]->vht_cap.cap |=
						(2 << VHT_CAP_INFO_NUM_BMFMR_ANT_SHIFT);
					bands[index]->vht_cap.cap |=
						((txstreams - 1) <<
							VHT_CAP_INFO_NUM_SOUNDING_DIM_SHIFT);
					bands[index]->vht_cap.cap |=
						IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
				}

				/* AMPDU length limit, support max 1MB (2 ^ (13 + 7)) */
				bands[index]->vht_cap.cap |=
					(7 << VHT_CAP_INFO_AMPDU_MAXLEN_EXP_SHIFT);
				WL_DBG(("__wl_update_wiphybands band[%d] vht_enab=%d vht_cap=%08x "
					"vht_rx_mcs_map=%04x vht_tx_mcs_map=%04x\n",
					index,
					bands[index]->vht_cap.vht_supported,
					bands[index]->vht_cap.cap,
					bands[index]->vht_cap.vht_mcs.rx_mcs_map,
					bands[index]->vht_cap.vht_mcs.tx_mcs_map));
			}
#endif // endif
		}
		else if (bandlist[i] == WLC_BAND_2G && __wl_band_2ghz.n_channels > 0) {
			bands[IEEE80211_BAND_2GHZ] =
				&__wl_band_2ghz;
			index = IEEE80211_BAND_2GHZ;
			if (bw_cap == WLC_N_BW_40ALL)
				bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
		}

		if ((index >= 0) && nmode) {
			bands[index]->ht_cap.cap |=
				(IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_DSSSCCK40);
			bands[index]->ht_cap.ht_supported = TRUE;
			bands[index]->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
			bands[index]->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
			/* An HT shall support all EQM rates for one spatial stream */
			bands[index]->ht_cap.mcs.rx_mask[0] = 0xff;
		}

	}

	wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ];
	wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ];

	/* check if any bands populated otherwise makes 2Ghz as default */
	if (wiphy->bands[IEEE80211_BAND_2GHZ] == NULL &&
		wiphy->bands[IEEE80211_BAND_5GHZ] == NULL) {
		/* Setup 2Ghz band as default */
		wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
	}

	if (notify)
		wiphy_apply_custom_regulatory(wiphy, &brcm_regdom);

	return 0;
}

s32 wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify)
{
	s32 err;

	mutex_lock(&cfg->usr_sync);
	err = __wl_update_wiphybands(cfg, notify);
	mutex_unlock(&cfg->usr_sync);

	return err;
}

static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg)
{
	s32 err = 0;
#ifdef WL_HOST_BAND_MGMT
	s32 ret = 0;
#endif /* WL_HOST_BAND_MGMT */
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	struct wireless_dev *wdev = ndev->ieee80211_ptr;
#if defined(WL_NANP2P)
	dhd_pub_t *dhd =  (dhd_pub_t *)(cfg->pub);
#endif // endif
#ifdef WLTDLS
	u32 tdls;
#endif /* WLTDLS */
	u16 wl_iftype = 0;
	u16 wl_mode = 0;
	u8 ioctl_buf[WLC_IOCTL_SMLEN];

	WL_DBG(("In\n"));

	if (!dhd_download_fw_on_driverload) {
		err = wl_create_event_handler(cfg);
		if (err) {
			WL_ERR(("wl_create_event_handler failed\n"));
			return err;
		}
		wl_init_event_handler(cfg);
	}
	/* Reserve 0x8000 toggle bit for P2P GO/GC */
	cfg->vif_macaddr_mask = 0x8000;

	err = dhd_config_dongle(cfg);
	if (unlikely(err))
		return err;

#if 0
	/* terence 20180108: this patch will cause to kernel panic with below
	* steps in Android 4.4 with kernel 3.4
	* insmod bcmdhd.ko; hostapd /data/vendor/misc/wifi/hostapd.conf
	*/
	/* Always bring up interface in STA mode.
	* Did observe , if previous SofAP Bringup/cleanup
	* is not done properly, iftype is stuck with AP mode.
	* So during next wlan0 up, forcing the type to STA
	*/
	netinfo = wl_get_netinfo_by_wdev(cfg, wdev);
	if (!netinfo) {
		WL_ERR(("there is no netinfo\n"));
		return -ENODEV;
	}
	ndev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
	netinfo->iftype = WL_IF_TYPE_STA;
#endif

	if (cfg80211_to_wl_iftype(wdev->iftype, &wl_iftype, &wl_mode) < 0) {
		return -EINVAL;
	}
	err = wl_config_infra(cfg, ndev, wl_iftype);
	if (unlikely(err && err != -EINPROGRESS)) {
		WL_ERR(("wl_config_infra failed\n"));
		if (err == -1) {
			WL_ERR(("return error %d\n", err));
			return err;
		}
	}

	err = wl_init_scan(cfg);
	if (err) {
		WL_ERR(("wl_init_scan failed\n"));
		return err;
	}
	err = __wl_update_wiphybands(cfg, true);
	if (unlikely(err)) {
		WL_ERR(("wl_update_wiphybands failed\n"));
		if (err == -1) {
			WL_ERR(("return error %d\n", err));
			return err;
		}
	}

	err = wldev_iovar_getbuf(ndev, "wlc_ver", NULL, 0,
		&cfg->wlc_ver, sizeof(wl_wlc_version_t), NULL);
	if (likely(!err)) {
		WL_INFORM(("wl version. Major: %d\n",
			cfg->wlc_ver.wlc_ver_major));
		if ((cfg->wlc_ver.wlc_ver_major >= MIN_ESCAN_PARAM_V2_FW_MAJOR) &&
				(wldev_iovar_getbuf(ndev, "scan_ver", NULL, 0,
				ioctl_buf, sizeof(ioctl_buf), NULL) == BCME_OK)) {
			WL_INFORM_MEM(("scan_params v2\n"));
			/* use scan_params ver2 */
			cfg->scan_params_v2 = true;
		}
	} else {
		if (err == BCME_UNSUPPORTED) {
			/* Ignore on unsupported chips */
			err = BCME_OK;
		} else {
			WL_ERR(("wlc_ver query failed. err: %d\n", err));
			return err;
		}
	}
#ifdef DHD_LOSSLESS_ROAMING
	if (timer_pending(&cfg->roam_timeout)) {
		del_timer_sync(&cfg->roam_timeout);
	}
#endif /* DHD_LOSSLESS_ROAMING */

	err = dhd_monitor_init(cfg->pub);

#ifdef WL_HOST_BAND_MGMT
	/* By default the curr_band is initialized to BAND_AUTO */
	if ((ret = wl_cfg80211_set_band(ndev, WLC_BAND_AUTO)) < 0) {
		if (ret == BCME_UNSUPPORTED) {
			/* Don't fail the initialization, lets just
			 * fall back to the original method
			 */
			WL_ERR(("WL_HOST_BAND_MGMT defined, "
				"but roam_band iovar not supported \n"));
		} else {
			WL_ERR(("roam_band failed. ret=%d", ret));
			err = -1;
		}
	}
#endif /* WL_HOST_BAND_MGMT */
#ifdef WLTDLS
	if (wldev_iovar_getint(ndev, "tdls_enable", &tdls) == 0) {
		WL_DBG(("TDLS supported in fw\n"));
		cfg->tdls_supported = true;
	}
#endif /* WLTDLS */
#ifdef WL_IFACE_MGMT
#ifdef CUSTOM_IF_MGMT_POLICY
	cfg->iface_data.policy = CUSTOM_IF_MGMT_POLICY;
#else
	cfg->iface_data.policy = WL_IF_POLICY_DEFAULT;
#endif /*  CUSTOM_IF_MGMT_POLICY */
#endif /* WL_IFACE_MGMT */
#ifdef WL_NAN
#ifdef WL_NANP2P
	if (FW_SUPPORTED(dhd, nanp2p)) {
		/* Enable NANP2P concurrent support */
		cfg->conc_disc = WL_NANP2P_CONC_SUPPORT;
		WL_INFORM_MEM(("nan + p2p conc discovery is supported\n"));
		cfg->nan_p2p_supported = true;
	}
#endif /* WL_NANP2P */
#endif /* WL_NAN  */

	INIT_DELAYED_WORK(&cfg->pm_enable_work, wl_cfg80211_work_handler);
	wl_set_drv_status(cfg, READY, ndev);
	return err;
}

static s32 __wl_cfg80211_down(struct bcm_cfg80211 *cfg)
{
	s32 err = 0;
	struct net_info *iter, *next;
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
#if defined(WL_CFG80211) && (defined(WL_ENABLE_P2P_IF) || \
	defined(WL_NEW_CFG_PRIVCMD_SUPPORT)) && !defined(PLATFORM_SLP)
	struct net_device *p2p_net = cfg->p2p_net;
#endif 

	dhd_pub_t *dhd =  (dhd_pub_t *)(cfg->pub);
	WL_INFORM_MEM(("cfg80211 down\n"));

	/* Check if cfg80211 interface is already down */
	if (!wl_get_drv_status(cfg, READY, ndev)) {
		WL_DBG(("cfg80211 interface is already down\n"));
		return err;	/* it is even not ready */
	}

#ifdef SHOW_LOGTRACE
	/* Stop the event logging */
	wl_add_remove_eventmsg(ndev, WLC_E_TRACE, FALSE);
#endif /* SHOW_LOGTRACE */

	/* clear vendor OUI list */
	wl_vndr_ies_clear_vendor_oui_list(cfg);

	/* Delete pm_enable_work */
	wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);

	if (cfg->p2p_supported) {
		wl_clr_p2p_status(cfg, GO_NEG_PHASE);
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO) || defined(BCMDBUS)
		if (wl_cfgp2p_vif_created(cfg)) {
			bool enabled = false;
			dhd_wlfc_get_enable(dhd, &enabled);
			if (enabled && cfg->wlfc_on && dhd->op_mode != DHD_FLAG_HOSTAP_MODE &&
				dhd->op_mode != DHD_FLAG_IBSS_MODE) {
				dhd_wlfc_deinit(dhd);
				cfg->wlfc_on = false;
			}
		}
#endif /* BCMSDIO || BCMDBUS */
#endif /* PROP_TXSTATUS_VSDB */
	}

#ifdef WL_NAN
	mutex_lock(&cfg->if_sync);
	/* Cancel pending nan disable work if any */
	if (delayed_work_pending(&cfg->nan_disable)) {
		WL_DBG(("Unarm the nan_disable work\n"));
		cancel_delayed_work_sync(&cfg->nan_disable);
	}
	cfg->nancfg.disable_reason = NAN_BUS_IS_DOWN;
	wl_cfgnan_disable(cfg);
	mutex_unlock(&cfg->if_sync);
#endif /* WL_NAN */

	if (!dhd_download_fw_on_driverload) {
		/* For built-in drivers/other drivers that do reset on
		 * "ifconfig <primary_iface> down", cleanup any left
		 * over interfaces
		 */
		wl_cfg80211_cleanup_virtual_ifaces(cfg, false);
	}
	/* Clear used mac addr mask */
	cfg->vif_macaddr_mask = 0;

	if (dhd->up)
	{
		/* If primary BSS is operational (for e.g SoftAP), bring it down */
		if (wl_cfg80211_bss_isup(ndev, 0)) {
			if (wl_cfg80211_bss_up(cfg, ndev, 0, 0) < 0)
				WL_ERR(("BSS down failed \n"));
		}

		/* clear all the security setting on primary Interface */
		wl_cfg80211_clear_security(cfg);
	}

	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev) /* p2p discovery iface is null */
			wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev);
	}

#ifdef P2P_LISTEN_OFFLOADING
	wl_cfg80211_p2plo_deinit(cfg);
#endif /* P2P_LISTEN_OFFLOADING */

	/* cancel and notify scan complete, if scan request is pending */
	wl_cfg80211_cancel_scan(cfg);
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		/* p2p discovery iface ndev ptr could be null */
		if (iter->ndev == NULL)
			continue;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
		WL_INFORM_MEM(("wl_cfg80211_down. connection state bit status: [%u:%u:%u:%u]\n",
			wl_get_drv_status(cfg, CONNECTING, ndev),
			wl_get_drv_status(cfg, CONNECTED, ndev),
			wl_get_drv_status(cfg, DISCONNECTING, ndev),
			wl_get_drv_status(cfg, NESTED_CONNECT, ndev)));

		if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) {
			CFG80211_DISCONNECTED(iter->ndev, 0, NULL, 0, false, GFP_KERNEL);
		}

		if ((iter->ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION) &&
			wl_get_drv_status(cfg, CONNECTING, iter->ndev)) {

			u8 *latest_bssid = wl_read_prof(cfg, ndev, WL_PROF_LATEST_BSSID);
			struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
			struct wireless_dev *wdev = ndev->ieee80211_ptr;
			struct cfg80211_bss *bss = CFG80211_GET_BSS(wiphy, NULL, latest_bssid,
				wdev->ssid, wdev->ssid_len);

			BCM_REFERENCE(bss);

			CFG80211_CONNECT_RESULT(ndev,
				latest_bssid, bss, NULL, 0, NULL, 0,
				WLAN_STATUS_UNSPECIFIED_FAILURE,
				GFP_KERNEL);
		}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) */
		wl_clr_drv_status(cfg, READY, iter->ndev);
		wl_clr_drv_status(cfg, SCANNING, iter->ndev);
		wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev);
		wl_clr_drv_status(cfg, CONNECTING, iter->ndev);
		wl_clr_drv_status(cfg, CONNECTED, iter->ndev);
		wl_clr_drv_status(cfg, DISCONNECTING, iter->ndev);
		wl_clr_drv_status(cfg, AP_CREATED, iter->ndev);
		wl_clr_drv_status(cfg, AP_CREATING, iter->ndev);
		wl_clr_drv_status(cfg, NESTED_CONNECT, iter->ndev);
		wl_clr_drv_status(cfg, CFG80211_CONNECT, iter->ndev);
	}
	bcmcfg_to_prmry_ndev(cfg)->ieee80211_ptr->iftype =
		NL80211_IFTYPE_STATION;
#if defined(WL_CFG80211) && (defined(WL_ENABLE_P2P_IF) || \
	defined(WL_NEW_CFG_PRIVCMD_SUPPORT)) && !defined(PLATFORM_SLP)
		if (p2p_net)
			dev_close(p2p_net);
#endif 

	/* Avoid deadlock from wl_cfg80211_down */
	if (!dhd_download_fw_on_driverload) {
		mutex_unlock(&cfg->usr_sync);
		wl_destroy_event_handler(cfg);
		mutex_lock(&cfg->usr_sync);
	}

	wl_flush_eq(cfg);
	wl_link_down(cfg);
	if (cfg->p2p_supported) {
		if (timer_pending(&cfg->p2p->listen_timer))
			del_timer_sync(&cfg->p2p->listen_timer);
		wl_cfgp2p_down(cfg);
	}

	if (timer_pending(&cfg->scan_timeout)) {
		del_timer_sync(&cfg->scan_timeout);
	}

	wl_cfg80211_clear_mgmt_vndr_ies(cfg);
	DHD_OS_SCAN_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub));

	dhd_monitor_uninit();
#ifdef WLAIBSS_MCHAN
	bcm_cfg80211_del_ibss_if(cfg->wdev->wiphy, cfg->ibss_cfgdev);
#endif /* WLAIBSS_MCHAN */

#ifdef WL11U
	/* Clear interworking element. */
	if (cfg->wl11u) {
		cfg->wl11u = FALSE;
	}
#endif /* WL11U */

	cfg->disable_roam_event = false;

	DNGL_FUNC(dhd_cfg80211_down, (cfg));

#ifdef DHD_IFDEBUG
	/* Printout all netinfo entries */
	wl_probe_wdev_all(cfg);
#endif /* DHD_IFDEBUG */

	return err;
}

s32 wl_cfg80211_up(struct net_device *net)
{
	struct bcm_cfg80211 *cfg;
	s32 err = 0;
	int val = 1;
	dhd_pub_t *dhd;
#ifdef DISABLE_PM_BCNRX
	s32 interr = 0;
	uint param = 0;
	s8 iovbuf[WLC_IOCTL_SMLEN];
#endif /* DISABLE_PM_BCNRX */

	WL_DBG(("In\n"));
	cfg = wl_get_cfg(net);

	if ((err = wldev_ioctl_get(bcmcfg_to_prmry_ndev(cfg), WLC_GET_VERSION, &val,
		sizeof(int)) < 0)) {
		WL_ERR(("WLC_GET_VERSION failed, err=%d\n", err));
		return err;
	}
	val = dtoh32(val);
	if (val != WLC_IOCTL_VERSION && val != 1) {
		WL_ERR(("Version mismatch, please upgrade. Got %d, expected %d or 1\n",
			val, WLC_IOCTL_VERSION));
		return BCME_VERSION;
	}
	ioctl_version = val;
	WL_TRACE(("WLC_GET_VERSION=%d\n", ioctl_version));
	wl_cfg80211_check_in4way(cfg, net, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
		WL_EXT_STATUS_DISCONNECTED, NULL);

	mutex_lock(&cfg->usr_sync);
	dhd = (dhd_pub_t *)(cfg->pub);
	if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		err = wl_cfg80211_attach_post(bcmcfg_to_prmry_ndev(cfg));
		if (unlikely(err)) {
			mutex_unlock(&cfg->usr_sync);
			return err;
		}
	}
#if defined(BCMSUP_4WAY_HANDSHAKE)
	if (dhd->fw_4way_handshake) {
		/* This is a hacky method to indicate fw 4WHS support and
		 * is used only for kernels (kernels < 3.14). For newer
		 * kernels, we would be using vendor extn. path to advertise
		 * FW based 4-way handshake feature support.
		 */
		cfg->wdev->wiphy->features |= NL80211_FEATURE_FW_4WAY_HANDSHAKE;
	}
#endif /* BCMSUP_4WAY_HANDSHAKE */
	err = __wl_cfg80211_up(cfg);
	if (unlikely(err))
		WL_ERR(("__wl_cfg80211_up failed\n"));

#ifdef ROAM_CHANNEL_CACHE
	if (init_roam_cache(cfg, ioctl_version) == 0) {
		/* Enable support for Roam cache */
		cfg->rcc_enabled = true;
		WL_ERR(("Roam channel cache enabled\n"));
	} else {
		WL_ERR(("Failed to enable RCC.\n"));
	}
#endif /* ROAM_CHANNEL_CACHE */

	/* IOVAR configurations with 'up' condition */
#ifdef DISABLE_PM_BCNRX
	interr = wldev_iovar_setbuf(net, "pm_bcnrx", (char *)&param, sizeof(param), iovbuf,
			sizeof(iovbuf), &cfg->ioctl_buf_sync);

	if (unlikely(interr)) {
		WL_ERR(("Set pm_bcnrx returned (%d)\n", interr));
	}
#endif /* DISABLE_PM_BCNRX */
#ifdef WL_CHAN_UTIL
	interr = wl_cfg80211_start_bssload_report(net);
	if (unlikely(interr)) {
		WL_ERR(("%s: Failed to start bssload_report eventing, err=%d\n",
			__FUNCTION__, interr));
	}
#endif /* WL_CHAN_UTIL */

	mutex_unlock(&cfg->usr_sync);

#ifdef WLAIBSS_MCHAN
	bcm_cfg80211_add_ibss_if(cfg->wdev->wiphy, IBSS_IF_NAME);
#endif /* WLAIBSS_MCHAN */
	return err;
}

/* Private Event to Supplicant with indication that chip hangs */
int wl_cfg80211_hang(struct net_device *dev, u16 reason)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhd;
	if (!cfg) {
		return BCME_ERROR;
	}

	RETURN_EIO_IF_NOT_UP(cfg);

	dhd = (dhd_pub_t *)(cfg->pub);
	if ((dhd->hang_reason <= HANG_REASON_MASK) || (dhd->hang_reason >= HANG_REASON_MAX)) {
		WL_ERR(("wl_cfg80211_hang, Invalid hang reason 0x%x\n",
			dhd->hang_reason));
		dhd->hang_reason = HANG_REASON_UNKNOWN;
	}
	WL_ERR(("In : chip crash eventing, reason=0x%x\n", (uint32)(dhd->hang_reason)));

	wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);
	{
		if (dhd->up == TRUE) {
			CFG80211_DISCONNECTED(dev, reason, NULL, 0, false, GFP_KERNEL);
		}
	}
#if defined(RSSIAVG)
	wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
	wl_free_bss_cache(&cfg->g_bss_cache_ctrl);
#endif
	if (cfg != NULL) {
		wl_link_down(cfg);
	}
	return 0;
}

s32 wl_cfg80211_down(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	s32 err = BCME_ERROR;

	WL_DBG(("In\n"));

	if (cfg && (cfg == wl_cfg80211_get_bcmcfg())) {
		mutex_lock(&cfg->usr_sync);
#if defined(RSSIAVG)
		wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
		wl_free_bss_cache(&cfg->g_bss_cache_ctrl);
#endif
		err = __wl_cfg80211_down(cfg);
		mutex_unlock(&cfg->usr_sync);
	}

	return err;
}

void
wl_cfg80211_sta_ifdown(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	WL_DBG(("In\n"));

	if (cfg) {
		/* cancel scan if anything pending */
		wl_cfg80211_cancel_scan(cfg);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
		if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION) &&
			wl_get_drv_status(cfg, CONNECTED, dev)) {
			CFG80211_DISCONNECTED(dev, 0, NULL, 0, false, GFP_KERNEL);
		}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) */
	}
}

void *wl_read_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 item)
{
	unsigned long flags;
	void *rptr = NULL;
	struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev);

	if (!profile)
		return NULL;
	WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags);
	switch (item) {
	case WL_PROF_SEC:
		rptr = &profile->sec;
		break;
	case WL_PROF_ACT:
		rptr = &profile->active;
		break;
	case WL_PROF_BSSID:
		rptr = profile->bssid;
		break;
	case WL_PROF_SSID:
		rptr = &profile->ssid;
		break;
	case WL_PROF_CHAN:
		rptr = &profile->channel;
		break;
	case WL_PROF_LATEST_BSSID:
		rptr = profile->latest_bssid;
		break;
	}
	WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags);
	if (!rptr)
		WL_ERR(("invalid item (%d)\n", item));
	return rptr;
}

static s32
wl_update_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const wl_event_msg_t *e, const void *data, s32 item)
{
	s32 err = 0;
	const struct wlc_ssid *ssid;
	unsigned long flags;
	struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev);

	if (!profile)
		return WL_INVALID;
	WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags);
	switch (item) {
	case WL_PROF_SSID:
		ssid = (const wlc_ssid_t *) data;
		bzero(profile->ssid.SSID,
			sizeof(profile->ssid.SSID));
		profile->ssid.SSID_len = MIN(ssid->SSID_len, DOT11_MAX_SSID_LEN);
		memcpy(profile->ssid.SSID, ssid->SSID, profile->ssid.SSID_len);
		break;
	case WL_PROF_BSSID:
		if (data)
			memcpy(profile->bssid, data, ETHER_ADDR_LEN);
		else
			bzero(profile->bssid, ETHER_ADDR_LEN);
		break;
	case WL_PROF_SEC:
		memcpy(&profile->sec, data, sizeof(profile->sec));
		break;
	case WL_PROF_ACT:
		profile->active = *(const bool *)data;
		break;
	case WL_PROF_BEACONINT:
		profile->beacon_interval = *(const u16 *)data;
		break;
	case WL_PROF_DTIMPERIOD:
		profile->dtim_period = *(const u8 *)data;
		break;
	case WL_PROF_CHAN:
		profile->channel = *(const u32*)data;
		break;
	case WL_PROF_LATEST_BSSID:
		if (data) {
			memcpy_s(profile->latest_bssid, sizeof(profile->latest_bssid),
					data, ETHER_ADDR_LEN);
		} else {
			memset_s(profile->latest_bssid, sizeof(profile->latest_bssid),
					0, ETHER_ADDR_LEN);
		}
		break;
	default:
		err = -EOPNOTSUPP;
		break;
	}
	WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags);

	if (err == -EOPNOTSUPP)
		WL_ERR(("unsupported item (%d)\n", item));

	return err;
}

void wl_cfg80211_dbg_level(u32 level)
{
	/*
	* prohibit to change debug level
	* by insmod parameter.
	* eventually debug level will be configured
	* in compile time by using CONFIG_XXX
	*/
	/* wl_dbg_level = level; */
}

static bool wl_is_ibssmode(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
	return wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_IBSS;
}

static __used bool wl_is_ibssstarter(struct bcm_cfg80211 *cfg)
{
	return cfg->ibss_starter;
}

static void wl_rst_ie(struct bcm_cfg80211 *cfg)
{
	struct wl_ie *ie = wl_to_ie(cfg);

	ie->offset = 0;
	bzero(ie->buf, sizeof(ie->buf));
}

static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v)
{
	struct wl_ie *ie = wl_to_ie(cfg);
	s32 err = 0;

	if (unlikely(ie->offset + l + 2 > WL_TLV_INFO_MAX)) {
		WL_ERR(("ei crosses buffer boundary\n"));
		return -ENOSPC;
	}
	ie->buf[ie->offset] = t;
	ie->buf[ie->offset + 1] = l;
	memcpy(&ie->buf[ie->offset + 2], v, l);
	ie->offset += l + 2;

	return err;
}

static void wl_update_hidden_ap_ie(wl_bss_info_t *bi, const u8 *ie_stream, u32 *ie_size,
	bool update_ssid)
{
	u8 *ssidie;
	int32 ssid_len = MIN(bi->SSID_len, DOT11_MAX_SSID_LEN);
	int32 remaining_ie_buf_len, available_buffer_len, unused_buf_len;
	/* cfg80211_find_ie defined in kernel returning const u8 */

	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	ssidie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ie_stream, *ie_size);
	GCC_DIAGNOSTIC_POP();

	/* ERROR out if
	 * 1. No ssid IE is FOUND or
	 * 2. New ssid length is > what was allocated for existing ssid (as
	 * we do not want to overwrite the rest of the IEs) or
	 * 3. If in case of erroneous buffer input where ssid length doesnt match the space
	 * allocated to it.
	 */
	if (!ssidie) {
		return;
	}
	available_buffer_len = ((int)(*ie_size)) - (ssidie + 2 - ie_stream);
	remaining_ie_buf_len = available_buffer_len - (int)ssidie[1];
	unused_buf_len = WL_EXTRA_BUF_MAX - (4 + bi->length + *ie_size);
	if (ssidie[1] > available_buffer_len) {
		WL_ERR_MEM(("wl_update_hidden_ap_ie: skip wl_update_hidden_ap_ie : overflow\n"));
		return;
	}

	if (ssidie[1] != ssid_len) {
		if (ssidie[1]) {
			WL_ERR_RLMT(("wl_update_hidden_ap_ie: Wrong SSID len: %d != %d\n",
				ssidie[1], bi->SSID_len));
		}
		/*
		 * The bss info in firmware gets updated from beacon and probe resp.
		 * In case of hidden network, the bss_info that got updated by beacon,
		 * will not carry SSID and this can result in cfg80211_get_bss not finding a match.
		 * so include the SSID element.
		 */
		if ((update_ssid && (ssid_len > ssidie[1])) && (unused_buf_len > ssid_len)) {
			WL_INFORM_MEM(("Changing the SSID Info.\n"));
			memmove(ssidie + ssid_len + 2,
				(ssidie + 2) + ssidie[1],
				remaining_ie_buf_len);
			memcpy(ssidie + 2, bi->SSID, ssid_len);
			*ie_size = *ie_size + ssid_len - ssidie[1];
			ssidie[1] = ssid_len;
		} else if (ssid_len < ssidie[1]) {
			WL_ERR_MEM(("wl_update_hidden_ap_ie: Invalid SSID len: %d < %d\n",
				bi->SSID_len, ssidie[1]));
		}
		return;
	}
	if (*(ssidie + 2) == '\0')
		 memcpy(ssidie + 2, bi->SSID, ssid_len);
	return;
}

static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size)
{
	struct wl_ie *ie = wl_to_ie(cfg);
	s32 err = 0;

	if (unlikely(ie->offset + ie_size > WL_TLV_INFO_MAX)) {
		WL_ERR(("ei_stream crosses buffer boundary\n"));
		return -ENOSPC;
	}
	memcpy(&ie->buf[ie->offset], ie_stream, ie_size);
	ie->offset += ie_size;

	return err;
}

static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size)
{
	struct wl_ie *ie = wl_to_ie(cfg);
	s32 err = 0;

	if (unlikely(ie->offset > dst_size)) {
		WL_ERR(("dst_size is not enough\n"));
		return -ENOSPC;
	}
	memcpy(dst, &ie->buf[0], ie->offset);

	return err;
}

static u32 wl_get_ielen(struct bcm_cfg80211 *cfg)
{
	struct wl_ie *ie = wl_to_ie(cfg);

	return ie->offset;
}

static void wl_link_up(struct bcm_cfg80211 *cfg)
{
	cfg->link_up = true;
}

static void wl_link_down(struct bcm_cfg80211 *cfg)
{
	struct wl_connect_info *conn_info = wl_to_conn(cfg);

	WL_DBG(("In\n"));
	cfg->link_up = false;
	if (conn_info) {
		conn_info->req_ie_len = 0;
		conn_info->resp_ie_len = 0;
	}
}

static unsigned long wl_lock_eq(struct bcm_cfg80211 *cfg)
{
	unsigned long flags;

	WL_CFG_EQ_LOCK(&cfg->eq_lock, flags);
	return flags;
}

static void wl_unlock_eq(struct bcm_cfg80211 *cfg, unsigned long flags)
{
	WL_CFG_EQ_UNLOCK(&cfg->eq_lock, flags);
}

static void wl_init_eq_lock(struct bcm_cfg80211 *cfg)
{
	spin_lock_init(&cfg->eq_lock);
}

static void wl_delay(u32 ms)
{
	if (in_atomic() || (ms < jiffies_to_msecs(1))) {
		OSL_DELAY(ms*1000);
	} else {
		OSL_SLEEP(ms);
	}
}

s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(net);
	struct ether_addr primary_mac;
	if (!cfg->p2p)
		return -1;
	if (!p2p_is_on(cfg)) {
		get_primary_mac(cfg, &primary_mac);
#ifndef WL_P2P_USE_RANDMAC
		wl_cfgp2p_generate_bss_mac(cfg, &primary_mac);
#endif /* WL_P2P_USE_RANDMAC */
		memcpy((void *)&p2pdev_addr, (void *)&primary_mac, ETHER_ADDR_LEN);
	} else {
		memcpy(p2pdev_addr->octet, wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE).octet,
			ETHER_ADDR_LEN);
	}

	return 0;
}
s32 wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(net);

	return wl_cfgp2p_set_p2p_noa(cfg, net, buf, len);
}

s32 wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(net);

	return wl_cfgp2p_get_p2p_noa(cfg, net, buf, len);
}

s32 wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(net);

	return wl_cfgp2p_set_p2p_ps(cfg, net, buf, len);
}

s32 wl_cfg80211_set_p2p_ecsa(struct net_device *net, char* buf, int len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(net);

	return wl_cfgp2p_set_p2p_ecsa(cfg, net, buf, len);
}

s32 wl_cfg80211_increase_p2p_bw(struct net_device *net, char* buf, int len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(net);

	return wl_cfgp2p_increase_p2p_bw(cfg, net, buf, len);
}

#ifdef P2PLISTEN_AP_SAMECHN
s32 wl_cfg80211_set_p2p_resp_ap_chn(struct net_device *net, s32 enable)
{
	s32 ret = wldev_iovar_setint(net, "p2p_resp_ap_chn", enable);

	if ((ret == 0) && enable) {
		/* disable PM for p2p responding on infra AP channel */
		s32 pm = PM_OFF;

		ret = wldev_ioctl_set(net, WLC_SET_PM, &pm, sizeof(pm));
	}

	return ret;
}
#endif /* P2PLISTEN_AP_SAMECHN */

s32 wl_cfg80211_channel_to_freq(u32 channel)
{
	int freq = 0;

#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
	freq = ieee80211_channel_to_frequency(channel);
#else
	{
		u16 band = 0;
		if (channel <= CH_MAX_2G_CHANNEL)
			band = IEEE80211_BAND_2GHZ;
		else
			band = IEEE80211_BAND_5GHZ;
		freq = ieee80211_channel_to_frequency(channel, band);
	}
#endif // endif
	return freq;
}

#ifdef WLTDLS
s32
wl_tdls_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data) {

	struct net_device *ndev = NULL;
	u32 reason = ntoh32(e->reason);
	s8 *msg = NULL;

	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);

	switch (reason) {
	case WLC_E_TDLS_PEER_DISCOVERED :
		msg = " TDLS PEER DISCOVERD ";
		break;
	case WLC_E_TDLS_PEER_CONNECTED :
		if (cfg->tdls_mgmt_frame) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
			cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0,
					cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, 0);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
			cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0,
					cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len,	0,
					GFP_ATOMIC);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \
			defined(WL_COMPAT_WIRELESS)
			cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0,
					cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len,
					GFP_ATOMIC);
#else
			cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq,
					cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, GFP_ATOMIC);

#endif /* LINUX_VERSION >= VERSION(3, 18,0) || WL_COMPAT_WIRELESS */
		}
		msg = " TDLS PEER CONNECTED ";
#ifdef SUPPORT_SET_CAC
		/* TDLS connect reset CAC */
		wl_cfg80211_set_cac(cfg, 0);
#endif /* SUPPORT_SET_CAC */
		break;
	case WLC_E_TDLS_PEER_DISCONNECTED :
		if (cfg->tdls_mgmt_frame) {
			MFREE(cfg->osh, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len);
			cfg->tdls_mgmt_frame_len = 0;
			cfg->tdls_mgmt_freq = 0;
		}
		msg = "TDLS PEER DISCONNECTED ";
#ifdef SUPPORT_SET_CAC
		/* TDLS disconnec, set CAC */
		wl_cfg80211_set_cac(cfg, 1);
#endif /* SUPPORT_SET_CAC */
		break;
	}
	if (msg) {
		WL_ERR(("%s: " MACDBG " on %s ndev\n", msg, MAC2STRDBG((const u8*)(&e->addr)),
			(bcmcfg_to_prmry_ndev(cfg) == ndev) ? "primary" : "secondary"));
	}
	return 0;

}
#endif  /* WLTDLS */

static s32
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
#if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \
	KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
	u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
	u32 peer_capability, const u8 *buf, size_t len)
#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \
		(LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)))
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
	const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
	u32 peer_capability, const u8 *buf, size_t len)
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
       const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
       u32 peer_capability, bool initiator, const u8 *buf, size_t len)
#else /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
	u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
	const u8 *buf, size_t len)
#endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
{
	s32 ret = 0;
#if defined(TDLS_MSG_ONLY_WFD) && defined(WLTDLS)
	struct bcm_cfg80211 *cfg;
	tdls_wfd_ie_iovar_t info;
	bzero(&info, sizeof(info));
	cfg = wl_get_cfg(dev);

#if defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)
	/* Some customer platform back ported this feature from kernel 3.15 to kernel 3.10
	 * and that cuases build error
	 */
	BCM_REFERENCE(peer_capability);
#endif  /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */

	switch (action_code) {
		/* We need to set TDLS Wifi Display IE to firmware
		 * using tdls_wfd_ie iovar
		 */
		case WLAN_TDLS_SET_PROBE_WFD_IE:
			WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_PROBE_WFD_IE\n"));
			info.mode = TDLS_WFD_PROBE_IE_TX;

			if (len > sizeof(info.data)) {
				return -EINVAL;
			}
			memcpy(&info.data, buf, len);
			info.length = len;
			break;
		case WLAN_TDLS_SET_SETUP_WFD_IE:
			WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_SETUP_WFD_IE\n"));
			info.mode = TDLS_WFD_IE_TX;

			if (len > sizeof(info.data)) {
				return -EINVAL;
			}
			memcpy(&info.data, buf, len);
			info.length = len;
			break;
		case WLAN_TDLS_SET_WFD_ENABLED:
			WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_MODE_WFD_ENABLED\n"));
			dhd_tdls_set_mode((dhd_pub_t *)(cfg->pub), true);
			goto out;
		case WLAN_TDLS_SET_WFD_DISABLED:
			WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_MODE_WFD_DISABLED\n"));
			dhd_tdls_set_mode((dhd_pub_t *)(cfg->pub), false);
			goto out;
		default:
			WL_ERR(("Unsupported action code : %d\n", action_code));
			goto out;
	}
	ret = wldev_iovar_setbuf(dev, "tdls_wfd_ie", &info, sizeof(info),
			cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);

	if (ret) {
		WL_ERR(("tdls_wfd_ie error %d\n", ret));
	}

out:
#endif /* TDLS_MSG_ONLY_WFD && WLTDLS */
	return ret;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32
wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
	const u8 *peer, enum nl80211_tdls_operation oper)
#else
static s32
wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
	u8 *peer, enum nl80211_tdls_operation oper)
#endif // endif
{
	s32 ret = 0;
#ifdef WLTDLS
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	tdls_iovar_t info;
	dhd_pub_t *dhdp;
	bool tdls_auto_mode = false;
	dhdp = (dhd_pub_t *)(cfg->pub);
	bzero(&info, sizeof(tdls_iovar_t));
	if (peer) {
		memcpy(&info.ea, peer, ETHER_ADDR_LEN);
	} else {
		return -1;
	}
	switch (oper) {
	case NL80211_TDLS_DISCOVERY_REQ:
		/* If the discovery request is broadcast then we need to set
		 * info.mode to Tunneled Probe Request
		 */
		if (memcmp(peer, (const uint8 *)BSSID_BROADCAST, ETHER_ADDR_LEN) == 0) {
			info.mode = TDLS_MANUAL_EP_WFD_TPQ;
			WL_ERR(("wl_cfg80211_tdls_oper: TDLS TUNNELED PRBOBE REQUEST\n"));
		} else {
			info.mode = TDLS_MANUAL_EP_DISCOVERY;
		}
		break;
	case NL80211_TDLS_SETUP:
		if (dhdp->tdls_mode == true) {
			info.mode = TDLS_MANUAL_EP_CREATE;
			tdls_auto_mode = false;
			/* Do tear down and create a fresh one */
			ret = wl_cfg80211_tdls_config(cfg, TDLS_STATE_TEARDOWN, tdls_auto_mode);
			if (ret < 0) {
				return ret;
			}
		} else {
			tdls_auto_mode = true;
		}
		break;
	case NL80211_TDLS_TEARDOWN:
		info.mode = TDLS_MANUAL_EP_DELETE;
		break;
	default:
		WL_ERR(("Unsupported operation : %d\n", oper));
		goto out;
	}
	/* turn on TDLS */
	ret = wl_cfg80211_tdls_config(cfg, TDLS_STATE_SETUP, tdls_auto_mode);
	if (ret < 0) {
		return ret;
	}
	if (info.mode) {
		ret = wldev_iovar_setbuf(dev, "tdls_endpoint", &info, sizeof(info),
			cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
		if (ret) {
			WL_ERR(("tdls_endpoint error %d\n", ret));
		}
	}
out:
	if (ret) {
		wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
		return -ENOTSUPP;
	}
#endif /* WLTDLS */
	return ret;
}
#endif /* LINUX_VERSION > VERSION(3,2,0) || WL_COMPAT_WIRELESS */

s32 wl_cfg80211_set_wps_p2p_ie(struct net_device *ndev, char *buf, int len,
	enum wl_management_type type)
{
	struct bcm_cfg80211 *cfg;
	s32 ret = 0;
	struct ether_addr primary_mac;
	s32 bssidx = 0;
	s32 pktflag = 0;
	cfg = wl_get_cfg(ndev);

	if (wl_get_drv_status(cfg, AP_CREATING, ndev)) {
		/* Vendor IEs should be set to FW
		 * after SoftAP interface is brought up
		 */
		WL_DBG(("Skipping set IE since AP is not up \n"));
		goto exit;
	} else  if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
		/* Either stand alone AP case or P2P discovery */
		if (wl_get_drv_status(cfg, AP_CREATED, ndev)) {
			/* Stand alone AP case on primary interface */
			WL_DBG(("Apply IEs for Primary AP Interface \n"));
			bssidx = 0;
		} else {
			if (!cfg->p2p) {
				/* If p2p not initialized, return failure */
				WL_ERR(("P2P not initialized \n"));
				goto exit;
			}
			/* P2P Discovery case (p2p listen) */
			if (!cfg->p2p->on) {
				/* Turn on Discovery interface */
				get_primary_mac(cfg, &primary_mac);
#ifndef WL_P2P_USE_RANDMAC
				wl_cfgp2p_generate_bss_mac(cfg, &primary_mac);
#endif /* WL_P2P_USE_RANDMAC */
				p2p_on(cfg) = true;
				ret = wl_cfgp2p_enable_discovery(cfg, ndev, NULL, 0);
				if (unlikely(ret)) {
					WL_ERR(("Enable discovery failed \n"));
					goto exit;
				}
			}
			WL_DBG(("Apply IEs for P2P Discovery Iface \n"));
			ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY);
			bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
		}
	} else {
		/* Virtual AP/ P2P Group Interface */
		WL_DBG(("Apply IEs for iface:%s\n", ndev->name));
		bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr);
	}

	if (ndev != NULL) {
		switch (type) {
			case WL_BEACON:
				pktflag = VNDR_IE_BEACON_FLAG;
				break;
			case WL_PROBE_RESP:
				pktflag = VNDR_IE_PRBRSP_FLAG;
				break;
			case WL_ASSOC_RESP:
				pktflag = VNDR_IE_ASSOCRSP_FLAG;
				break;
		}
		if (pktflag) {
			ret = wl_cfg80211_set_mgmt_vndr_ies(cfg,
				ndev_to_cfgdev(ndev), bssidx, pktflag, buf, len);
		}
	}
exit:
	return ret;
}

#ifdef WL_SUPPORT_AUTO_CHANNEL
static s32
wl_cfg80211_set_auto_channel_scan_state(struct net_device *ndev)
{
	u32 val = 0;
	s32 ret = BCME_ERROR;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	/* Set interface up, explicitly. */
	val = 1;

	ret = wldev_ioctl_set(ndev, WLC_UP, (void *)&val, sizeof(val));
	if (ret < 0) {
		WL_ERR(("set interface up failed, error = %d\n", ret));
		goto done;
	}

	/* Stop all scan explicitly, till auto channel selection complete. */
	wl_set_drv_status(cfg, SCANNING, ndev);
	if (cfg->escan_info.ndev == NULL) {
		ret = BCME_OK;
		goto done;
	}

	wl_cfg80211_cancel_scan(cfg);

done:
	return ret;
}

static bool
wl_cfg80211_valid_channel_p2p(int channel)
{
	bool valid = false;

	/* channel 1 to 14 */
	if ((channel >= 1) && (channel <= 14)) {
		valid = true;
	}
	/* channel 36 to 48 */
	else if ((channel >= 36) && (channel <= 48)) {
		valid = true;
	}
	/* channel 149 to 161 */
	else if ((channel >= 149) && (channel <= 161)) {
		valid = true;
	}
	else {
		valid = false;
		WL_INFORM(("invalid P2P chanspec, channel = %d\n", channel));
	}

	return valid;
}

s32
wl_cfg80211_get_chanspecs_2g(struct net_device *ndev, void *buf, s32 buflen)
{
	s32 ret = BCME_ERROR;
	struct bcm_cfg80211 *cfg = NULL;
	chanspec_t chanspec = 0;

	cfg = wl_get_cfg(ndev);

	/* Restrict channels to 2.4GHz, 20MHz BW, no SB. */
	chanspec |= (WL_CHANSPEC_BAND_2G | WL_CHANSPEC_BW_20 |
		WL_CHANSPEC_CTL_SB_NONE);
	chanspec = wl_chspec_host_to_driver(chanspec);

	ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec,
		sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync);
	if (ret < 0) {
		WL_ERR(("get 'chanspecs' failed, error = %d\n", ret));
	}

	return ret;
}

s32
wl_cfg80211_get_chanspecs_5g(struct net_device *ndev, void *buf, s32 buflen)
{
	u32 channel = 0;
	s32 ret = BCME_ERROR;
	s32 i = 0;
	s32 j = 0;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	wl_uint32_list_t *list = NULL;
	chanspec_t chanspec = 0;

	/* Restrict channels to 5GHz, 20MHz BW, no SB. */
	chanspec |= (WL_CHANSPEC_BAND_5G | WL_CHANSPEC_BW_20 |
		WL_CHANSPEC_CTL_SB_NONE);
	chanspec = wl_chspec_host_to_driver(chanspec);

	ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec,
		sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync);
	if (ret < 0) {
		WL_ERR(("get 'chanspecs' failed, error = %d\n", ret));
		goto done;
	}

	list = (wl_uint32_list_t *)buf;
	/* Skip DFS and inavlid P2P channel. */
	for (i = 0, j = 0; i < dtoh32(list->count); i++) {
		chanspec = (chanspec_t) dtoh32(list->element[i]);
		channel = CHSPEC_CHANNEL(chanspec);

		ret = wldev_iovar_getint(ndev, "per_chan_info", &channel);
		if (ret < 0) {
			WL_ERR(("get 'per_chan_info' failed, error = %d\n", ret));
			goto done;
		}

		if (CHANNEL_IS_RADAR(channel) ||
			!(wl_cfg80211_valid_channel_p2p(CHSPEC_CHANNEL(chanspec)))) {
			continue;
		} else {
			list->element[j] = list->element[i];
		}

		j++;
	}

	list->count = j;

done:
	return ret;
}

static s32
wl_cfg80211_get_best_channel(struct net_device *ndev, void *buf, int buflen,
	int *channel)
{
	s32 ret = BCME_ERROR;
	int chosen = 0;
	int retry = 0;
	uint chip;

	/* Start auto channel selection scan. */
	ret = wldev_ioctl_set(ndev, WLC_START_CHANNEL_SEL, buf, buflen);
	if (ret < 0) {
		WL_ERR(("can't start auto channel scan, error = %d\n", ret));
		*channel = 0;
		goto done;
	}

	/* Wait for auto channel selection, worst case possible delay is 5250ms. */
	retry = CHAN_SEL_RETRY_COUNT;

	while (retry--) {
		OSL_SLEEP(CHAN_SEL_IOCTL_DELAY);
		chosen = 0;
		ret = wldev_ioctl_get(ndev, WLC_GET_CHANNEL_SEL, &chosen, sizeof(chosen));
		if ((ret == 0) && (dtoh32(chosen) != 0)) {
			chip = dhd_conf_get_chip(dhd_get_pub(ndev));
			if (chip != BCM43362_CHIP_ID &&	chip != BCM4330_CHIP_ID &&
					chip != BCM43143_CHIP_ID) {
				u32 chanspec = 0;
				int ctl_chan;
				chanspec = wl_chspec_driver_to_host(chosen);
				WL_INFORM(("selected chanspec = 0x%x\n", chanspec));
				ctl_chan = wf_chspec_ctlchan(chanspec);
				WL_INFORM(("selected ctl_chan = %d\n", ctl_chan));
				*channel = (u16)(ctl_chan & 0x00FF);
			} else
				*channel = (u16)(chosen & 0x00FF);
			WL_INFORM(("selected channel = %d\n", *channel));
			break;
		}
		WL_INFORM(("attempt = %d, ret = %d, chosen = %d\n",
			(CHAN_SEL_RETRY_COUNT - retry), ret, dtoh32(chosen)));
	}

	if (retry <= 0)	{
		WL_ERR(("failure, auto channel selection timed out\n"));
		*channel = 0;
		ret = BCME_ERROR;
	}
	WL_INFORM(("selected channel = %d\n", *channel));

done:
	return ret;
}

static s32
wl_cfg80211_restore_auto_channel_scan_state(struct net_device *ndev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	/* Clear scan stop driver status. */
	wl_clr_drv_status(cfg, SCANNING, ndev);

	return BCME_OK;
}

s32
wl_cfg80211_get_best_channels(struct net_device *dev, char* cmd, int total_len)
{
	int channel = 0, band, band_cur;
	s32 ret = BCME_ERROR;
	u8 *buf = NULL;
	char *pos = cmd;
	struct bcm_cfg80211 *cfg = NULL;
	struct net_device *ndev = NULL;

	bzero(cmd, total_len);
	cfg = wl_get_cfg(dev);

	buf = (u8 *)MALLOC(cfg->osh, CHANSPEC_BUF_SIZE);
	if (buf == NULL) {
		WL_ERR(("failed to allocate chanspec buffer\n"));
		return -ENOMEM;
	}

	/*
	 * Always use primary interface, irrespective of interface on which
	 * command came.
	 */
	ndev = bcmcfg_to_prmry_ndev(cfg);

	/*
	 * Make sure that FW and driver are in right state to do auto channel
	 * selection scan.
	 */
	ret = wl_cfg80211_set_auto_channel_scan_state(ndev);
	if (ret < 0) {
		WL_ERR(("can't set auto channel scan state, error = %d\n", ret));
		goto done;
	}

	ret = wldev_ioctl(dev, WLC_GET_BAND, &band_cur, sizeof(band_cur), false);
	if (band_cur != WLC_BAND_5G) {
		/* Best channel selection in 2.4GHz band. */
		ret = wl_cfg80211_get_chanspecs_2g(ndev, (void *)buf, CHANSPEC_BUF_SIZE);
		if (ret < 0) {
			WL_ERR(("can't get chanspecs in 2.4GHz, error = %d\n", ret));
			goto done;
		}

		ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE,
			&channel);
		if (ret < 0) {
			WL_ERR(("can't select best channel scan in 2.4GHz, error = %d\n", ret));
			goto done;
		}

		if (CHANNEL_IS_2G(channel)) {
//			channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ);
		} else {
			WL_ERR(("invalid 2.4GHz channel, channel = %d\n", channel));
			channel = 0;
		}
		pos += snprintf(pos, total_len, "2g=%d ", channel);
	}

	if (band_cur != WLC_BAND_2G) {
		// terence 20140120: fix for some chipsets only return 2.4GHz channel (4330b2/43341b0/4339a0)
		band = band_cur==WLC_BAND_2G ? band_cur : WLC_BAND_5G;
		ret = wldev_ioctl(dev, WLC_SET_BAND, &band, sizeof(band), true);
		if (ret < 0) {
			WL_ERR(("WLC_SET_BAND error %d\n", ret));
			goto done;
		}

		/* Best channel selection in 5GHz band. */
		ret = wl_cfg80211_get_chanspecs_5g(ndev, (void *)buf, CHANSPEC_BUF_SIZE);
		if (ret < 0) {
			WL_ERR(("can't get chanspecs in 5GHz, error = %d\n", ret));
			goto done;
		}

		ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE,
			&channel);
		if (ret < 0) {
			WL_ERR(("can't select best channel scan in 5GHz, error = %d\n", ret));
			goto done;
		}

		if (CHANNEL_IS_5G(channel)) {
//			channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_5GHZ);
		} else {
			WL_ERR(("invalid 5GHz channel, channel = %d\n", channel));
			channel = 0;
		}

		ret = wldev_ioctl(dev, WLC_SET_BAND, &band_cur, sizeof(band_cur), true);
		if (ret < 0)
			WL_ERR(("WLC_SET_BAND error %d\n", ret));
		pos += snprintf(pos, total_len, "5g=%d ", channel);
	}

done:
	if (NULL != buf) {
		MFREE(cfg->osh, buf, CHANSPEC_BUF_SIZE);
	}

	/* Restore FW and driver back to normal state. */
	ret = wl_cfg80211_restore_auto_channel_scan_state(ndev);
	if (ret < 0) {
		WL_ERR(("can't restore auto channel scan state, error = %d\n", ret));
	}

	WL_MSG(ndev->name, "%s\n", cmd);

	return (pos - cmd);
}
#endif /* WL_SUPPORT_AUTO_CHANNEL */

static const struct rfkill_ops wl_rfkill_ops = {
	.set_block = wl_rfkill_set
};

static int wl_rfkill_set(void *data, bool blocked)
{
	struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data;

	WL_DBG(("Enter \n"));
	WL_DBG(("RF %s\n", blocked ? "blocked" : "unblocked"));

	if (!cfg)
		return -EINVAL;

	cfg->rf_blocked = blocked;

	return 0;
}

static int wl_setup_rfkill(struct bcm_cfg80211 *cfg, bool setup)
{
	s32 err = 0;

	WL_DBG(("Enter \n"));
	if (!cfg)
		return -EINVAL;
	if (setup) {
		cfg->rfkill = rfkill_alloc("brcmfmac-wifi",
			wl_cfg80211_get_parent_dev(),
			RFKILL_TYPE_WLAN, &wl_rfkill_ops, (void *)cfg);

		if (!cfg->rfkill) {
			err = -ENOMEM;
			goto err_out;
		}

		err = rfkill_register(cfg->rfkill);

		if (err)
			rfkill_destroy(cfg->rfkill);
	} else {
		if (!cfg->rfkill) {
			err = -ENOMEM;
			goto err_out;
		}

		rfkill_unregister(cfg->rfkill);
		rfkill_destroy(cfg->rfkill);
	}

err_out:
	return err;
}

#ifdef DEBUGFS_CFG80211
/**
* Format : echo "SCAN:1 DBG:1" > /sys/kernel/debug/dhd/debug_level
* to turn on SCAN and DBG log.
* To turn off SCAN partially, echo "SCAN:0" > /sys/kernel/debug/dhd/debug_level
* To see current setting of debug level,
* cat /sys/kernel/debug/dhd/debug_level
*/
static ssize_t
wl_debuglevel_write(struct file *file, const char __user *userbuf,
	size_t count, loff_t *ppos)
{
	char tbuf[SUBLOGLEVELZ * ARRAYSIZE(sublogname_map)], sublog[SUBLOGLEVELZ];
	char *params, *token, *colon;
	uint i, tokens, log_on = 0;
	size_t minsize = min_t(size_t, (sizeof(tbuf) - 1), count);

	bzero(tbuf, sizeof(tbuf));
	bzero(sublog, sizeof(sublog));
	if (copy_from_user(&tbuf, userbuf, minsize)) {
		return -EFAULT;
	}

	tbuf[minsize] = '\0';
	params = &tbuf[0];
	colon = strchr(params, '\n');
	if (colon != NULL)
		*colon = '\0';
	while ((token = strsep(&params, " ")) != NULL) {
		bzero(sublog, sizeof(sublog));
		if (token == NULL || !*token)
			break;
		if (*token == '\0')
			continue;
		colon = strchr(token, ':');
		if (colon != NULL) {
			*colon = ' ';
		}
		tokens = sscanf(token, "%"S(SUBLOGLEVEL)"s %u", sublog, &log_on);
		if (colon != NULL)
			*colon = ':';

		if (tokens == 2) {
				for (i = 0; i < ARRAYSIZE(sublogname_map); i++) {
					if (!strncmp(sublog, sublogname_map[i].sublogname,
						strlen(sublogname_map[i].sublogname))) {
						if (log_on)
							wl_dbg_level |=
							(sublogname_map[i].log_level);
						else
							wl_dbg_level &=
							~(sublogname_map[i].log_level);
					}
				}
		} else
			WL_ERR(("%s: can't parse '%s' as a "
			       "SUBMODULE:LEVEL (%d tokens)\n",
			       tbuf, token, tokens));

	}
	return count;
}

static ssize_t
wl_debuglevel_read(struct file *file, char __user *user_buf,
	size_t count, loff_t *ppos)
{
	char *param;
	char tbuf[SUBLOGLEVELZ * ARRAYSIZE(sublogname_map)];
	uint i;
	bzero(tbuf, sizeof(tbuf));
	param = &tbuf[0];
	for (i = 0; i < ARRAYSIZE(sublogname_map); i++) {
		param += snprintf(param, sizeof(tbuf) - 1, "%s:%d ",
			sublogname_map[i].sublogname,
			(wl_dbg_level & sublogname_map[i].log_level) ? 1 : 0);
	}
	*param = '\n';
	return simple_read_from_buffer(user_buf, count, ppos, tbuf, strlen(&tbuf[0]));

}
static const struct file_operations fops_debuglevel = {
	.open = NULL,
	.write = wl_debuglevel_write,
	.read = wl_debuglevel_read,
	.owner = THIS_MODULE,
	.llseek = NULL,
};

static s32 wl_setup_debugfs(struct bcm_cfg80211 *cfg)
{
	s32 err = 0;
	struct dentry *_dentry;
	if (!cfg)
		return -EINVAL;
	cfg->debugfs = debugfs_create_dir(KBUILD_MODNAME, NULL);
	if (!cfg->debugfs || IS_ERR(cfg->debugfs)) {
		if (cfg->debugfs == ERR_PTR(-ENODEV))
			WL_ERR(("Debugfs is not enabled on this kernel\n"));
		else
			WL_ERR(("Can not create debugfs directory\n"));
		cfg->debugfs = NULL;
		goto exit;

	}
	_dentry = debugfs_create_file("debug_level", S_IRUSR | S_IWUSR,
		cfg->debugfs, cfg, &fops_debuglevel);
	if (!_dentry || IS_ERR(_dentry)) {
		WL_ERR(("failed to create debug_level debug file\n"));
		wl_free_debugfs(cfg);
	}
exit:
	return err;
}
static s32 wl_free_debugfs(struct bcm_cfg80211 *cfg)
{
	if (!cfg)
		return -EINVAL;
	if (cfg->debugfs)
		debugfs_remove_recursive(cfg->debugfs);
	cfg->debugfs = NULL;
	return 0;
}
#endif /* DEBUGFS_CFG80211 */

struct bcm_cfg80211 *wl_cfg80211_get_bcmcfg(void)
{
	return g_bcmcfg;
}

void wl_cfg80211_set_bcmcfg(struct bcm_cfg80211 *cfg)
{
	g_bcmcfg = cfg;
}

struct device *wl_cfg80211_get_parent_dev(void)
{
	return cfg80211_parent_dev;
}

void wl_cfg80211_set_parent_dev(void *dev)
{
	cfg80211_parent_dev = dev;
}

static void wl_cfg80211_clear_parent_dev(void)
{
	cfg80211_parent_dev = NULL;
}

void get_primary_mac(struct bcm_cfg80211 *cfg, struct ether_addr *mac)
{
	u8 ioctl_buf[WLC_IOCTL_SMLEN];

	if (wldev_iovar_getbuf_bsscfg(bcmcfg_to_prmry_ndev(cfg),
			"cur_etheraddr", NULL, 0, ioctl_buf, sizeof(ioctl_buf),
			0, NULL) == BCME_OK) {
		memcpy(mac->octet, ioctl_buf, ETHER_ADDR_LEN);
	} else {
		bzero(mac->octet, ETHER_ADDR_LEN);
	}
}
static bool check_dev_role_integrity(struct bcm_cfg80211 *cfg, u32 dev_role)
{
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	if (((dev_role == NL80211_IFTYPE_AP) &&
		!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) ||
		((dev_role == NL80211_IFTYPE_P2P_GO) &&
		!(dhd->op_mode & DHD_FLAG_P2P_GO_MODE)))
	{
		WL_ERR(("device role select failed role:%d op_mode:%d \n", dev_role, dhd->op_mode));
		return false;
	}
	return true;
}

int wl_cfg80211_do_driver_init(struct net_device *net)
{
	struct bcm_cfg80211 *cfg = *(struct bcm_cfg80211 **)netdev_priv(net);

	if (!cfg || !cfg->wdev)
		return -EINVAL;

	if (dhd_do_driver_init(cfg->wdev->netdev) < 0)
		return -1;

	return 0;
}

void wl_cfg80211_enable_trace(u32 level)
{
	wl_dbg_level = level;
	WL_MSG("wlan", "wl_dbg_level = 0x%x\n", wl_dbg_level);
}

#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
	2, 0))
static s32
wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
	bcm_struct_cfgdev *cfgdev, u64 cookie)
{
	/* CFG80211 checks for tx_cancel_wait callback when ATTR_DURATION
	 * is passed with CMD_FRAME. This callback is supposed to cancel
	 * the OFFCHANNEL Wait. Since we are already taking care of that
	 *  with the tx_mgmt logic, do nothing here.
	 */

	return 0;
}
#endif /* WL_SUPPORT_BACKPORTED_PATCHES || KERNEL >= 3.2.0 */

#ifdef WL_HOST_BAND_MGMT
s32
wl_cfg80211_set_band(struct net_device *ndev, int band)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	int ret = 0;
	char ioctl_buf[50];

	if ((band < WLC_BAND_AUTO) || (band > WLC_BAND_2G)) {
		WL_ERR(("Invalid band\n"));
		return -EINVAL;
	}

	if ((ret = wldev_iovar_setbuf(ndev, "roam_band", &band,
		sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
		WL_ERR(("seting roam_band failed code=%d\n", ret));
		return ret;
	}

	WL_DBG(("Setting band to %d\n", band));
	cfg->curr_band = band;

	return 0;
}
#endif /* WL_HOST_BAND_MGMT */

s32
wl_cfg80211_set_if_band(struct net_device *ndev, int band)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	int ret = 0, wait_cnt;
	char ioctl_buf[32];

	if ((band < WLC_BAND_AUTO) || (band > WLC_BAND_2G)) {
		WL_ERR(("Invalid band\n"));
		return -EINVAL;
	}
	if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
		dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
		BCM_REFERENCE(dhdp);
		DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START),
			dhd_net2idx(dhdp->info, ndev), 0);
		ret = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0);
		if (ret < 0) {
			WL_ERR(("WLC_DISASSOC error %d\n", ret));
			/* continue to set 'if_band' */
		}
		else {
			/* This is to ensure that 'if_band' iovar is issued only after
			* disconnection is completed
			*/
			wait_cnt = WAIT_FOR_DISCONNECT_MAX;
			while (wl_get_drv_status(cfg, CONNECTED, ndev) && wait_cnt) {
				WL_DBG(("Wait until disconnected. wait_cnt: %d\n", wait_cnt));
				wait_cnt--;
				OSL_SLEEP(50);
			}
		}
	}
	if ((ret = wldev_iovar_setbuf(ndev, "if_band", &band,
			sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
		WL_ERR(("seting if_band failed ret=%d\n", ret));
		/* issue 'WLC_SET_BAND' if if_band is not supported */
		if (ret == BCME_UNSUPPORTED) {
			ret = wldev_set_band(ndev, band);
			if (ret < 0) {
				WL_ERR(("seting band failed ret=%d\n", ret));
			}
		}
	}
	return ret;
}

s32
wl_cfg80211_dfs_ap_move(struct net_device *ndev, char *data, char *command, int total_len)
{
	char ioctl_buf[WLC_IOCTL_SMLEN];
	int err = 0;
	uint32 val = 0;
	chanspec_t chanspec = 0;
	int abort;
	int bytes_written = 0;
	struct wl_dfs_ap_move_status_v2 *status;
	char chanbuf[CHANSPEC_STR_LEN];
	const char *dfs_state_str[DFS_SCAN_S_MAX] = {
		"Radar Free On Channel",
		"Radar Found On Channel",
		"Radar Scan In Progress",
		"Radar Scan Aborted",
		"RSDB Mode switch in Progress For Scan"
	};
	if (ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
		bytes_written = snprintf(command, total_len, "AP is not up\n");
		return bytes_written;
	}
	if (!*data) {
		if ((err = wldev_iovar_getbuf(ndev, "dfs_ap_move", NULL, 0,
				ioctl_buf, sizeof(ioctl_buf), NULL))) {
			WL_ERR(("setting dfs_ap_move failed with err=%d \n", err));
			return err;
		}
		status = (struct wl_dfs_ap_move_status_v2 *)ioctl_buf;

		if (status->version != WL_DFS_AP_MOVE_VERSION) {
			err = BCME_UNSUPPORTED;
			WL_ERR(("err=%d version=%d\n", err, status->version));
			return err;
		}

		if (status->move_status != (int8) DFS_SCAN_S_IDLE) {
			chanspec = wl_chspec_driver_to_host(status->chanspec);
			if (chanspec != 0 && chanspec != INVCHANSPEC) {
				wf_chspec_ntoa(chanspec, chanbuf);
				bytes_written = snprintf(command, total_len,
					"AP Target Chanspec %s (0x%x)\n", chanbuf, chanspec);
			}
			bytes_written += snprintf(command + bytes_written,
					total_len - bytes_written,
					"%s\n", dfs_state_str[status->move_status]);
			return bytes_written;
		} else {
			bytes_written = snprintf(command, total_len, "dfs AP move in IDLE state\n");
			return bytes_written;
		}
	}

	abort = bcm_atoi(data);
	if (abort == -1) {
		if ((err = wldev_iovar_setbuf(ndev, "dfs_ap_move", &abort,
				sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
			WL_ERR(("seting dfs_ap_move failed with err %d\n", err));
			return err;
		}
	} else {
		chanspec = wf_chspec_aton(data);
		if (chanspec != 0) {
			val = wl_chspec_host_to_driver(chanspec);
			if (val != INVCHANSPEC) {
				if ((err = wldev_iovar_setbuf(ndev, "dfs_ap_move", &val,
					sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
					WL_ERR(("seting dfs_ap_move failed with err %d\n", err));
					return err;
				}
				WL_DBG((" set dfs_ap_move successfull"));
			} else {
				err = BCME_USAGE_ERROR;
			}
		}
	}
	return err;
}

bool wl_cfg80211_is_concurrent_mode(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	if ((cfg) && (wl_get_drv_status_all(cfg, CONNECTED) > 1)) {
		return true;
	} else {
		return false;
	}
}

void* wl_cfg80211_get_dhdp(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	return cfg->pub;
}

bool wl_cfg80211_is_p2p_active(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	return (cfg && cfg->p2p);
}

bool wl_cfg80211_is_roam_offload(struct net_device * dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	return (cfg && cfg->roam_offload);
}

bool wl_cfg80211_is_event_from_connected_bssid(struct net_device * dev, const wl_event_msg_t *e,
		int ifidx)
{
	u8 *curbssid = NULL;
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);

	if (!cfg) {
		/* When interface is created using wl
		 * ndev->ieee80211_ptr will be NULL.
		 */
		return NULL;
	}
	curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID);

	if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) == 0) {
		return true;
	}
	return false;
}

static void wl_cfg80211_work_handler(struct work_struct * work)
{
	struct bcm_cfg80211 *cfg = NULL;
	struct net_info *iter, *next;
	s32 err = BCME_OK;
	s32 pm = PM_FAST;
	dhd_pub_t *dhd;
	BCM_SET_CONTAINER_OF(cfg, work, struct bcm_cfg80211, pm_enable_work.work);
	WL_DBG(("Enter \n"));
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		/* p2p discovery iface ndev could be null */
		if (iter->ndev) {
			if (!wl_get_drv_status(cfg, CONNECTED, iter->ndev) ||
				(wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_BSS &&
				wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_IBSS))
				continue;
			if (iter->ndev) {
				dhd = (dhd_pub_t *)(cfg->pub);
				if (dhd_conf_get_pm(dhd) >= 0)
					pm = dhd_conf_get_pm(dhd);
				if ((err = wldev_ioctl_set(iter->ndev, WLC_SET_PM,
						&pm, sizeof(pm))) != 0) {
					if (err == -ENODEV)
						WL_DBG(("%s:netdev not ready\n",
							iter->ndev->name));
					else
						WL_ERR(("%s:error (%d)\n",
							iter->ndev->name, err));
				} else
					wl_cfg80211_update_power_mode(iter->ndev);
			}
		}
	}
	DHD_PM_WAKE_UNLOCK(cfg->pub);
}

u8
wl_get_action_category(void *frame, u32 frame_len)
{
	u8 category;
	u8 *ptr = (u8 *)frame;
	if (frame == NULL)
		return DOT11_ACTION_CAT_ERR_MASK;
	if (frame_len < DOT11_ACTION_HDR_LEN)
		return DOT11_ACTION_CAT_ERR_MASK;
	category = ptr[DOT11_ACTION_CAT_OFF];
	WL_DBG(("Action Category: %d\n", category));
	return category;
}

int
wl_get_public_action(void *frame, u32 frame_len, u8 *ret_action)
{
	u8 *ptr = (u8 *)frame;
	if (frame == NULL || ret_action == NULL)
		return BCME_ERROR;
	if (frame_len < DOT11_ACTION_HDR_LEN)
		return BCME_ERROR;
	if (DOT11_ACTION_CAT_PUBLIC != wl_get_action_category(frame, frame_len))
		return BCME_ERROR;
	*ret_action = ptr[DOT11_ACTION_ACT_OFF];
	WL_DBG(("Public Action : %d\n", *ret_action));
	return BCME_OK;
}

#ifdef WLFBT
int
wl_cfg80211_get_fbt_key(struct net_device *dev, uint8 *key, int total_len)
{
	struct bcm_cfg80211 * cfg = wl_get_cfg(dev);
	int bytes_written = -1;

	if (total_len < FBT_KEYLEN) {
		WL_ERR(("wl_cfg80211_get_fbt_key: Insufficient buffer \n"));
		goto end;
	}
	if (cfg) {
		memcpy(key, cfg->fbt_key, FBT_KEYLEN);
		bytes_written = FBT_KEYLEN;
	} else {
		bzero(key, FBT_KEYLEN);
		WL_ERR(("wl_cfg80211_get_fbt_key: Failed to copy KCK and KEK \n"));
	}
	prhex("KCK, KEK", (uchar *)key, FBT_KEYLEN);
end:
	return bytes_written;
}
#endif /* WLFBT */

static int
wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	const struct ether_addr *bssid)
{
	s32 err;
	wl_event_msg_t e;

	bzero(&e, sizeof(e));
	e.event_type = cpu_to_be32(WLC_E_ROAM);
	memcpy(&e.addr, bssid, ETHER_ADDR_LEN);
	/* trigger the roam event handler */
	err = wl_notify_roaming_status(cfg, ndev_to_cfgdev(ndev), &e, NULL);

	return err;
}

static s32
wl_cfg80211_parse_vndr_ies(const u8 *parse, u32 len,
    struct parsed_vndr_ies *vndr_ies)
{
	s32 err = BCME_OK;
	const vndr_ie_t *vndrie;
	const bcm_tlv_t *ie;
	struct parsed_vndr_ie_info *parsed_info;
	u32 count = 0;
	u32 remained_len;

	remained_len = len;
	bzero(vndr_ies, sizeof(*vndr_ies));

	WL_DBG(("---> len %d\n", len));
	ie = (const bcm_tlv_t *) parse;
	if (!bcm_valid_tlv(ie, remained_len))
		ie = NULL;
	while (ie) {
		if (count >= MAX_VNDR_IE_NUMBER)
			break;
		if (ie->id == DOT11_MNG_VS_ID || (ie->id == DOT11_MNG_ID_EXT_ID)) {
			vndrie = (const vndr_ie_t *) ie;
			if (ie->id == DOT11_MNG_ID_EXT_ID) {
				/* len should be bigger than sizeof ID extn field at least */
				if (vndrie->len < MIN_VENDOR_EXTN_IE_LEN) {
					WL_ERR(("%s: invalid vndr extn ie."
						" length %d\n",
						__FUNCTION__, vndrie->len));
					goto end;
				}
			} else {
				/* len should be bigger than OUI length +
				 * one data length at least
				 */
				if (vndrie->len < (VNDR_IE_MIN_LEN + 1)) {
					WL_ERR(("wl_cfg80211_parse_vndr_ies:"
						" invalid vndr ie. length is too small %d\n",
						vndrie->len));
					goto end;
				}

				/* if wpa or wme ie, do not add ie */
				if (!bcmp(vndrie->oui, (u8*)WPA_OUI, WPA_OUI_LEN) &&
						((vndrie->data[0] == WPA_OUI_TYPE) ||
						(vndrie->data[0] == WME_OUI_TYPE))) {
					CFGP2P_DBG(("Found WPA/WME oui. Do not add it\n"));
					goto end;
				}
			}

			parsed_info = &vndr_ies->ie_info[count++];

			/* save vndr ie information */
			parsed_info->ie_ptr = (const char *)vndrie;
			parsed_info->ie_len = (vndrie->len + TLV_HDR_LEN);
			memcpy(&parsed_info->vndrie, vndrie, sizeof(vndr_ie_t));
			vndr_ies->count = count;
			if (ie->id == DOT11_MNG_ID_EXT_ID) {
				WL_DBG(("\t ** Vendor Extension ie id: 0x%02x, len:%d\n",
					ie->id, parsed_info->ie_len));
			} else {
				WL_DBG(("\t ** OUI "MACOUIDBG", type 0x%02x len:%d\n",
					MACOUI2STRDBG(parsed_info->vndrie.oui),
					parsed_info->vndrie.data[0], parsed_info->ie_len));
			}
		}
end:
		ie = bcm_next_tlv(ie, &remained_len);
	}
	return err;
}

static bool
wl_vndr_ies_exclude_vndr_oui(struct parsed_vndr_ie_info *vndr_info)
{
	int i = 0;

	while (exclude_vndr_oui_list[i]) {
		if (!memcmp(vndr_info->vndrie.oui,
			exclude_vndr_oui_list[i],
			DOT11_OUI_LEN)) {
			return TRUE;
		}
		i++;
	}

	return FALSE;
}

static bool
wl_vndr_ies_check_duplicate_vndr_oui(struct bcm_cfg80211 *cfg,
		struct parsed_vndr_ie_info *vndr_info)
{
	wl_vndr_oui_entry_t *oui_entry = NULL;
	unsigned long flags;

	WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags);
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	list_for_each_entry(oui_entry, &cfg->vndr_oui_list, list) {
		GCC_DIAGNOSTIC_POP();
		if (!memcmp(oui_entry->oui, vndr_info->vndrie.oui, DOT11_OUI_LEN)) {
			WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags);
			return TRUE;
		}
	}
	WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags);
	return FALSE;
}

static bool
wl_vndr_ies_add_vendor_oui_list(struct bcm_cfg80211 *cfg,
	struct parsed_vndr_ie_info *vndr_info)
{
	wl_vndr_oui_entry_t *oui_entry = NULL;
	unsigned long flags;

	oui_entry = kmalloc(sizeof(*oui_entry), GFP_KERNEL);
	if (oui_entry == NULL) {
		WL_ERR(("alloc failed\n"));
		return FALSE;
	}

	memcpy(oui_entry->oui, vndr_info->vndrie.oui, DOT11_OUI_LEN);

	INIT_LIST_HEAD(&oui_entry->list);
	WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags);
	list_add_tail(&oui_entry->list, &cfg->vndr_oui_list);
	WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags);

	return TRUE;
}

static void
wl_vndr_ies_clear_vendor_oui_list(struct bcm_cfg80211 *cfg)
{
	wl_vndr_oui_entry_t *oui_entry = NULL;
	unsigned long flags;

	WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags);
	while (!list_empty(&cfg->vndr_oui_list)) {
		GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
		oui_entry = list_entry(cfg->vndr_oui_list.next, wl_vndr_oui_entry_t, list);
		GCC_DIAGNOSTIC_POP();
		if (oui_entry) {
			list_del(&oui_entry->list);
			kfree(oui_entry);
		}
	}
	WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags);
}

static int
wl_vndr_ies_get_vendor_oui(struct bcm_cfg80211 *cfg, struct net_device *ndev,
	char *vndr_oui, u32 vndr_oui_len)
{
	int i;
	int vndr_oui_num = 0;

	struct wl_connect_info *conn_info = wl_to_conn(cfg);
	wl_vndr_oui_entry_t *oui_entry = NULL;
	struct parsed_vndr_ie_info *vndr_info;
	struct parsed_vndr_ies vndr_ies;

	char *pos = vndr_oui;
	u32 remained_buf_len = vndr_oui_len;
	unsigned long flags;

	if (!conn_info->resp_ie_len) {
		return BCME_ERROR;
	}

	wl_vndr_ies_clear_vendor_oui_list(cfg);

	if ((wl_cfg80211_parse_vndr_ies((u8 *)conn_info->resp_ie,
		conn_info->resp_ie_len, &vndr_ies)) == BCME_OK) {
		for (i = 0; i < vndr_ies.count; i++) {
			vndr_info = &vndr_ies.ie_info[i];
			if (wl_vndr_ies_exclude_vndr_oui(vndr_info)) {
				continue;
			}

			if (wl_vndr_ies_check_duplicate_vndr_oui(cfg, vndr_info)) {
				continue;
			}

			wl_vndr_ies_add_vendor_oui_list(cfg, vndr_info);
			vndr_oui_num++;
		}
	}

	if (vndr_oui) {
		WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags);
		GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
		list_for_each_entry(oui_entry, &cfg->vndr_oui_list, list) {
			GCC_DIAGNOSTIC_POP();
			if (remained_buf_len < VNDR_OUI_STR_LEN) {
				WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags);
				return BCME_ERROR;
			}
			pos += snprintf(pos, VNDR_OUI_STR_LEN, "%02X-%02X-%02X ",
				oui_entry->oui[0], oui_entry->oui[1], oui_entry->oui[2]);
			remained_buf_len -= VNDR_OUI_STR_LEN;
		}
		WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags);
	}

	return vndr_oui_num;
}

void
wl_cfg80211_clear_p2p_disc_ies(struct bcm_cfg80211 *cfg)
{
	/* Legacy P2P used to store it in primary dev cache */
	s32 index;
	struct net_device *ndev;
	s32 bssidx;
	s32 ret;
	s32 vndrie_flag[] = {VNDR_IE_BEACON_FLAG, VNDR_IE_PRBRSP_FLAG,
		VNDR_IE_ASSOCRSP_FLAG, VNDR_IE_PRBREQ_FLAG, VNDR_IE_ASSOCREQ_FLAG};

	WL_DBG(("Clear IEs for P2P Discovery Iface \n"));
	/* certain vendors uses p2p0 interface in addition to
	 * the dedicated p2p interface supported by the linux
	 * kernel.
	 */
	ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY);
	bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
	if (bssidx == WL_INVALID) {
		WL_DBG(("No discovery I/F available. Do nothing.\n"));
		return;
	}

	for (index = 0; index < ARRAYSIZE(vndrie_flag); index++) {
		if ((ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(ndev),
			bssidx, vndrie_flag[index], NULL, 0)) < 0) {
			if (ret != BCME_NOTFOUND) {
				WL_ERR(("vndr_ies clear failed (%d). Ignoring.. \n", ret));
			}
		}
	}

	if (cfg->p2p_wdev && (ndev->ieee80211_ptr != cfg->p2p_wdev)) {
		/* clear IEs for dedicated p2p interface */
		wl_cfg80211_clear_per_bss_ies(cfg, cfg->p2p_wdev);
	}
}

s32
wl_cfg80211_clear_per_bss_ies(struct bcm_cfg80211 *cfg, struct wireless_dev *wdev)
{
	s32 index;
	s32 ret;
	struct net_info *netinfo;
	s32 vndrie_flag[] = {VNDR_IE_BEACON_FLAG, VNDR_IE_PRBRSP_FLAG,
		VNDR_IE_ASSOCRSP_FLAG, VNDR_IE_PRBREQ_FLAG, VNDR_IE_ASSOCREQ_FLAG};

	netinfo = wl_get_netinfo_by_wdev(cfg, wdev);
	if (!netinfo || !netinfo->wdev) {
		WL_ERR(("netinfo or netinfo->wdev is NULL\n"));
		return -1;
	}

	WL_DBG(("clear management vendor IEs for bssidx:%d \n", netinfo->bssidx));
	/* Clear the IEs set in the firmware so that host is in sync with firmware */
	for (index = 0; index < ARRAYSIZE(vndrie_flag); index++) {
		if ((ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, wdev_to_cfgdev(netinfo->wdev),
			netinfo->bssidx, vndrie_flag[index], NULL, 0)) < 0)
			if (ret != BCME_NOTFOUND) {
				WL_ERR(("vndr_ies clear failed. Ignoring.. \n"));
			}
	}

	return 0;
}

s32
wl_cfg80211_clear_mgmt_vndr_ies(struct bcm_cfg80211 *cfg)
{
	struct net_info *iter, *next;

	WL_DBG(("clear management vendor IEs \n"));
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		wl_cfg80211_clear_per_bss_ies(cfg, iter->wdev);
	}
	return 0;
}

#define WL_VNDR_IE_MAXLEN 2048
static s8 g_mgmt_ie_buf[WL_VNDR_IE_MAXLEN];
int
wl_cfg80211_set_mgmt_vndr_ies(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	s32 bssidx, s32 pktflag, const u8 *vndr_ie, u32 vndr_ie_len)
{
	struct net_device *ndev = NULL;
	s32 ret = BCME_OK;
	u8  *curr_ie_buf = NULL;
	u8  *mgmt_ie_buf = NULL;
	u32 mgmt_ie_buf_len = 0;
	u32 *mgmt_ie_len = 0;
	u32 del_add_ie_buf_len = 0;
	u32 total_ie_buf_len = 0;
	u32 parsed_ie_buf_len = 0;
	struct parsed_vndr_ies old_vndr_ies;
	struct parsed_vndr_ies new_vndr_ies;
	s32 i;
	u8 *ptr;
	s32 remained_buf_len;
	wl_bss_vndr_ies_t *ies = NULL;
	struct net_info *netinfo;
	struct wireless_dev *wdev;

	if (!cfgdev) {
		WL_ERR(("cfgdev is NULL\n"));
		return -EINVAL;
	}

	ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
	wdev = cfgdev_to_wdev(cfgdev);

	if (bssidx > WL_MAX_IFS) {
		WL_ERR(("bssidx > supported concurrent Ifaces \n"));
		return -EINVAL;
	}

	netinfo = wl_get_netinfo_by_wdev(cfg, wdev);
	if (!netinfo) {
		WL_ERR(("net_info ptr is NULL \n"));
		return -EINVAL;
	}

	/* Clear the global buffer */
	bzero(g_mgmt_ie_buf, sizeof(g_mgmt_ie_buf));
	curr_ie_buf = g_mgmt_ie_buf;
	ies = &netinfo->bss.ies;

	WL_DBG(("Enter. pktflag:0x%x bssidx:%x vnd_ie_len:%d wdev:%p\n",
		pktflag, bssidx, vndr_ie_len, wdev));

	switch (pktflag) {
		case VNDR_IE_PRBRSP_FLAG :
			mgmt_ie_buf = ies->probe_res_ie;
			mgmt_ie_len = &ies->probe_res_ie_len;
			mgmt_ie_buf_len = sizeof(ies->probe_res_ie);
			break;
		case VNDR_IE_ASSOCRSP_FLAG :
			mgmt_ie_buf = ies->assoc_res_ie;
			mgmt_ie_len = &ies->assoc_res_ie_len;
			mgmt_ie_buf_len = sizeof(ies->assoc_res_ie);
			break;
		case VNDR_IE_BEACON_FLAG :
			mgmt_ie_buf = ies->beacon_ie;
			mgmt_ie_len = &ies->beacon_ie_len;
			mgmt_ie_buf_len = sizeof(ies->beacon_ie);
			break;
		case VNDR_IE_PRBREQ_FLAG :
			mgmt_ie_buf = ies->probe_req_ie;
			mgmt_ie_len = &ies->probe_req_ie_len;
			mgmt_ie_buf_len = sizeof(ies->probe_req_ie);
			break;
		case VNDR_IE_ASSOCREQ_FLAG :
			mgmt_ie_buf = ies->assoc_req_ie;
			mgmt_ie_len = &ies->assoc_req_ie_len;
			mgmt_ie_buf_len = sizeof(ies->assoc_req_ie);
			break;
		case VNDR_IE_DISASSOC_FLAG :
			mgmt_ie_buf = ies->disassoc_ie;
			mgmt_ie_len = &ies->disassoc_ie_len;
			mgmt_ie_buf_len = sizeof(ies->disassoc_ie);
			break;
		default:
			mgmt_ie_buf = NULL;
			mgmt_ie_len = NULL;
			WL_ERR(("not suitable packet type (%d)\n", pktflag));
			return BCME_ERROR;
	}

	if (vndr_ie_len > mgmt_ie_buf_len) {
		WL_ERR(("extra IE size too big\n"));
		ret = -ENOMEM;
	} else {
		/* parse and save new vndr_ie in curr_ie_buff before comparing it */
		if (vndr_ie && vndr_ie_len && curr_ie_buf) {
			ptr = curr_ie_buf;

			if ((ret = wl_cfg80211_parse_vndr_ies((const u8 *)vndr_ie,
			                                      vndr_ie_len, &new_vndr_ies)) < 0) {
				WL_ERR(("parse vndr ie failed \n"));
				goto exit;
			}

			for (i = 0; i < new_vndr_ies.count; i++) {
				struct parsed_vndr_ie_info *vndrie_info =
					&new_vndr_ies.ie_info[i];

				if ((parsed_ie_buf_len + vndrie_info->ie_len) > WL_VNDR_IE_MAXLEN) {
					WL_ERR(("IE size is too big (%d > %d)\n",
						parsed_ie_buf_len, WL_VNDR_IE_MAXLEN));
					ret = -EINVAL;
					goto exit;
				}

				memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
					vndrie_info->ie_len);
				parsed_ie_buf_len += vndrie_info->ie_len;
			}
		}

		if (mgmt_ie_buf != NULL) {
			if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
				(memcmp(mgmt_ie_buf, curr_ie_buf, parsed_ie_buf_len) == 0)) {
				WL_DBG(("Previous mgmt IE is equals to current IE"));
				goto exit;
			}

			/* parse old vndr_ie */
			if ((ret = wl_cfg80211_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len,
				&old_vndr_ies)) < 0) {
				WL_ERR(("parse vndr ie failed \n"));
				goto exit;
			}
			/* make a command to delete old ie */
			for (i = 0; i < old_vndr_ies.count; i++) {
				struct parsed_vndr_ie_info *vndrie_info =
				&old_vndr_ies.ie_info[i];
#if defined(WL_MBO) || defined(WL_OCE)
			{
				if ((vndrie_info->vndrie.id == 0xDD) &&
					(!memcmp(vndrie_info->vndrie.oui, WFA_OUI, WFA_OUI_LEN)) &&
					(vndrie_info->vndrie.data[0] == WFA_OUI_TYPE_MBO_OCE)) {
					WL_DBG(("skipping ID : %d, Len: %d, OUI:"MACOUIDBG
						", type: %0x\n",
						vndrie_info->vndrie.id,
						vndrie_info->vndrie.len,
						MACOUI2STRDBG(vndrie_info->vndrie.oui),
						vndrie_info->vndrie.data[0]));
					continue;
				}
			}
#endif /* WL_MBO || WL_OCE */

				if (vndrie_info->vndrie.id == DOT11_MNG_ID_EXT_ID) {
					WL_DBG(("DELETED VENDOR EXTN ID : %d, TYPE: %d Len: %d\n",
						vndrie_info->vndrie.id, vndrie_info->vndrie.oui[0],
						vndrie_info->vndrie.len));
				} else {
					WL_DBG(("DELETED ID : %d, Len: %d , OUI:"MACOUIDBG"\n",
						vndrie_info->vndrie.id, vndrie_info->vndrie.len,
						MACOUI2STRDBG(vndrie_info->vndrie.oui)));
				}

				del_add_ie_buf_len = wl_cfgp2p_vndr_ie(cfg, curr_ie_buf,
					pktflag, vndrie_info->vndrie.oui,
					vndrie_info->vndrie.id,
					vndrie_info->ie_ptr + VNDR_IE_FIXED_LEN,
					vndrie_info->ie_len - VNDR_IE_FIXED_LEN,
					"del");

				curr_ie_buf += del_add_ie_buf_len;
				total_ie_buf_len += del_add_ie_buf_len;
			}
		}

		*mgmt_ie_len = 0;
		/* Add if there is any extra IE */
		if (mgmt_ie_buf && parsed_ie_buf_len) {
			ptr = mgmt_ie_buf;

			remained_buf_len = mgmt_ie_buf_len;

			/* make a command to add new ie */
			for (i = 0; i < new_vndr_ies.count; i++) {
				struct parsed_vndr_ie_info *vndrie_info =
					&new_vndr_ies.ie_info[i];
#if defined(WL_MBO) || defined(WL_OCE)
			{
				if ((vndrie_info->vndrie.id == 0xDD) &&
					(!memcmp(vndrie_info->vndrie.oui, WFA_OUI, WFA_OUI_LEN)) &&
					(vndrie_info->vndrie.data[0] == WFA_OUI_TYPE_MBO_OCE)) {
					WL_DBG(("skipping ID : %d, Len: %d, OUI:"MACOUIDBG
						",type :%0x\n",
						vndrie_info->vndrie.id,
						vndrie_info->vndrie.len,
						MACOUI2STRDBG(vndrie_info->vndrie.oui),
						vndrie_info->vndrie.data[0]));
					continue;
				}
			}
#endif /* WL_MBO || WL_OCE */
				if (vndrie_info->vndrie.id == DOT11_MNG_ID_EXT_ID) {
					WL_DBG(("ADDED VENDOR EXTN ID : %d, TYPE = %d, Len: %d\n",
						vndrie_info->vndrie.id, vndrie_info->vndrie.oui[0],
						vndrie_info->vndrie.len));
				} else {
					WL_DBG(("ADDED ID : %d, Len: %d(%d), OUI:"MACOUIDBG"\n",
						vndrie_info->vndrie.id, vndrie_info->vndrie.len,
						vndrie_info->ie_len - 2,
						MACOUI2STRDBG(vndrie_info->vndrie.oui)));
				}

				del_add_ie_buf_len = wl_cfgp2p_vndr_ie(cfg, curr_ie_buf,
					pktflag, vndrie_info->vndrie.oui,
					vndrie_info->vndrie.id,
					vndrie_info->ie_ptr + VNDR_IE_FIXED_LEN,
					vndrie_info->ie_len - VNDR_IE_FIXED_LEN,
					"add");

				/* verify remained buf size before copy data */
				if (remained_buf_len >= vndrie_info->ie_len) {
					remained_buf_len -= vndrie_info->ie_len;
				} else {
					WL_ERR(("no space in mgmt_ie_buf: pktflag = %d, "
					"found vndr ies # = %d(cur %d), remained len %d, "
					"cur mgmt_ie_len %d, new ie len = %d\n",
					pktflag, new_vndr_ies.count, i, remained_buf_len,
					*mgmt_ie_len, vndrie_info->ie_len));
					break;
				}

				/* save the parsed IE in cfg struct */
				memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
					vndrie_info->ie_len);
				*mgmt_ie_len += vndrie_info->ie_len;
				curr_ie_buf += del_add_ie_buf_len;
				total_ie_buf_len += del_add_ie_buf_len;
			}
		}

		if (total_ie_buf_len && cfg->ioctl_buf != NULL) {
			ret  = wldev_iovar_setbuf_bsscfg(ndev, "vndr_ie", g_mgmt_ie_buf,
				total_ie_buf_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN,
				bssidx, &cfg->ioctl_buf_sync);
			if (ret)
				WL_ERR(("vndr ie set error : %d\n", ret));
		}
	}
exit:

return ret;
}

#ifdef WL_CFG80211_ACL
static int
wl_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *cfgdev,
	const struct cfg80211_acl_data *acl)
{
	int i;
	int ret = 0;
	int macnum = 0;
	int macmode = MACLIST_MODE_DISABLED;
	struct maclist *list;
	struct bcm_cfg80211 *cfg = wl_get_cfg(cfgdev);

	/* get the MAC filter mode */
	if (acl && acl->acl_policy == NL80211_ACL_POLICY_DENY_UNLESS_LISTED) {
		macmode = MACLIST_MODE_ALLOW;
	} else if (acl && acl->acl_policy == NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
	acl->n_acl_entries) {
		macmode = MACLIST_MODE_DENY;
	}

	/* if acl == NULL, macmode is still disabled.. */
	if (macmode == MACLIST_MODE_DISABLED) {
		if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, NULL)) != 0)
			WL_ERR(("wl_cfg80211_set_mac_acl: Setting MAC list"
				" failed error=%d\n", ret));

		return ret;
	}

	macnum = acl->n_acl_entries;
	if (macnum < 0 || macnum > MAX_NUM_MAC_FILT) {
		WL_ERR(("wl_cfg80211_set_mac_acl: invalid number of MAC address entries %d\n",
			macnum));
		return -1;
	}

	/* allocate memory for the MAC list */
	list = (struct maclist *)MALLOC(cfg->osh, sizeof(int) +
		sizeof(struct ether_addr) * macnum);
	if (!list) {
		WL_ERR(("wl_cfg80211_set_mac_acl: failed to allocate memory\n"));
		return -1;
	}

	/* prepare the MAC list */
	list->count = htod32(macnum);
	for (i = 0; i < macnum; i++) {
		memcpy(&list->ea[i], &acl->mac_addrs[i], ETHER_ADDR_LEN);
	}
	/* set the list */
	if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, list)) != 0)
		WL_ERR(("wl_cfg80211_set_mac_acl: Setting MAC list failed error=%d\n", ret));

	MFREE(cfg->osh, list, sizeof(int) +
		sizeof(struct ether_addr) * macnum);

	return ret;
}
#endif /* WL_CFG80211_ACL */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
int wl_chspec_chandef(chanspec_t chanspec,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	struct cfg80211_chan_def *chandef,
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0)))
	struct chan_info *chaninfo,
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) */
	struct wiphy *wiphy)
{
	uint16 freq = 0;
	int chan_type = 0;
	int channel = 0;
	struct ieee80211_channel *chan;

	if (!chandef) {
		return -1;
	}
	channel = CHSPEC_CHANNEL(chanspec);

	switch (CHSPEC_BW(chanspec)) {
		case WL_CHANSPEC_BW_20:
			chan_type = NL80211_CHAN_HT20;
			break;
		case WL_CHANSPEC_BW_40:
		{
			if (CHSPEC_SB_UPPER(chanspec)) {
				channel += CH_10MHZ_APART;
			} else {
				channel -= CH_10MHZ_APART;
			}
		}
			chan_type = NL80211_CHAN_HT40PLUS;
			break;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
		case WL_CHANSPEC_BW_80:
		case WL_CHANSPEC_BW_8080:
		{
			uint16 sb = CHSPEC_CTL_SB(chanspec);

			if (sb == WL_CHANSPEC_CTL_SB_LL) {
				channel -= (CH_10MHZ_APART + CH_20MHZ_APART);
			} else if (sb == WL_CHANSPEC_CTL_SB_LU) {
				channel -= CH_10MHZ_APART;
			} else if (sb == WL_CHANSPEC_CTL_SB_UL) {
				channel += CH_10MHZ_APART;
			} else {
				/* WL_CHANSPEC_CTL_SB_UU */
				channel += (CH_10MHZ_APART + CH_20MHZ_APART);
			}

			if (sb == WL_CHANSPEC_CTL_SB_LL || sb == WL_CHANSPEC_CTL_SB_LU)
				chan_type = NL80211_CHAN_HT40MINUS;
			else if (sb == WL_CHANSPEC_CTL_SB_UL || sb == WL_CHANSPEC_CTL_SB_UU)
				chan_type = NL80211_CHAN_HT40PLUS;
		}
			break;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
		default:
			chan_type = NL80211_CHAN_HT20;
			break;

	}

	if (CHSPEC_IS5G(chanspec))
		freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_5GHZ);
	else
		freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);

	chan = ieee80211_get_channel(wiphy, freq);
	WL_DBG(("channel:%d freq:%d chan_type: %d chan_ptr:%p \n",
		channel, freq, chan_type, chan));

	if (unlikely(!chan)) {
		/* fw and cfg80211 channel lists are not in sync */
		WL_ERR(("Couldn't find matching channel in wiphy channel list \n"));
		ASSERT(0);
		return -EINVAL;
	}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
	cfg80211_chandef_create(chandef, chan, chan_type);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \
	\
	0)))
	chaninfo->freq = freq;
	chaninfo->chan_type = chan_type;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
	return 0;
}

void
wl_cfg80211_ch_switch_notify(struct net_device *dev, uint16 chanspec, struct wiphy *wiphy)
{
	u32 freq;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
	struct cfg80211_chan_def chandef;
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0)))
	struct chan_info chaninfo;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */

	if (!wiphy) {
		WL_ERR(("wiphy is null\n"));
		return;
	}
#if (LINUX_VERSION_CODE <= KERNEL_VERSION (3, 18, 0))
	/* Channel switch support is only for AP/GO/ADHOC/MESH */
	if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
		dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) {
		WL_ERR(("No channel switch notify support for STA/GC\n"));
		return;
	}
#endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION (3, 18, 0)) */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
	if (wl_chspec_chandef(chanspec, &chandef, wiphy))
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0)))
	if (wl_chspec_chandef(chanspec, &chaninfo, wiphy))
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
	{
		WL_ERR(("chspec_chandef failed\n"));
		return;
	}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
	freq = chandef.chan ? chandef.chan->center_freq : chandef.center_freq1;
	cfg80211_ch_switch_notify(dev, &chandef);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0)))
	freq = chan_info.freq;
	cfg80211_ch_switch_notify(dev, freq, chan_info.chan_type);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */

	WL_MSG(dev->name, "Channel switch notification for freq: %d chanspec: 0x%x\n",
		freq, chanspec);
	return;
}
#endif /* LINUX_VERSION_CODE >= (3, 5, 0) */

static void
wl_ap_channel_ind(struct bcm_cfg80211 *cfg,
	struct net_device *ndev,
	chanspec_t chanspec)
{
	u32 channel = LCHSPEC_CHANNEL(chanspec);

	WL_INFORM_MEM(("(%s) AP channel:%d chspec:0x%x \n",
		ndev->name, channel, chanspec));

#ifdef SUPPORT_AP_BWCTRL
	wl_update_apchan_bwcap(cfg, ndev, chanspec);
#endif /* SUPPORT_AP_BWCTRL */

	if (cfg->ap_oper_channel && (cfg->ap_oper_channel != channel)) {
		/*
		 * If cached channel is different from the channel indicated
		 * by the event, notify user space about the channel switch.
		 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
		wl_cfg80211_ch_switch_notify(ndev, chanspec, bcmcfg_to_wiphy(cfg));
#endif /* LINUX_VERSION_CODE >= (3, 5, 0) */
		cfg->ap_oper_channel = channel;
	}
}

static s32
wl_ap_start_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
	struct net_device *ndev = NULL;
	chanspec_t chanspec;

	WL_DBG(("Enter\n"));
	if (unlikely(e->status)) {
		WL_ERR(("status:0x%x \n", e->status));
		return -1;
	}

	if (!data) {
		return -EINVAL;
	}

	if (likely(cfgdev)) {
		ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
		chanspec = *((chanspec_t *)data);

		if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
			/* For AP/GO role */
			wl_ap_channel_ind(cfg, ndev, chanspec);
		}
	}

	return 0;
}

static s32
wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
	int error = 0;
	u32 chanspec = 0;
	struct net_device *ndev = NULL;
	struct ether_addr bssid;

	WL_DBG(("Enter\n"));
	if (unlikely(e->status)) {
		WL_ERR(("status:0x%x \n", e->status));
		return -1;
	}

	if (likely(cfgdev)) {
		ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
		/* Get association state if not AP and then query chanspec */
		if (!((wl_get_mode_by_netdev(cfg, ndev)) == WL_MODE_AP)) {
			error = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN);
			if (error) {
				WL_ERR(("CSA on %s. Not associated. error=%d\n",
					ndev->name, error));
				return BCME_ERROR;
			}
		}

		error = wldev_iovar_getint(ndev, "chanspec", &chanspec);
		if (unlikely(error)) {
			WL_ERR(("Get chanspec error: %d \n", error));
			return -1;
		}

		WL_INFORM_MEM(("[%s] CSA ind. ch:0x%x\n", ndev->name, chanspec));
		if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
			/* For AP/GO role */
			wl_ap_channel_ind(cfg, ndev, chanspec);
		} else {
			/* STA/GC roles */
			if (!wl_get_drv_status(cfg, CONNECTED, ndev)) {
				WL_ERR(("CSA on %s. Not associated.\n", ndev->name));
				return BCME_ERROR;
			}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
			wl_cfg80211_ch_switch_notify(ndev, chanspec, bcmcfg_to_wiphy(cfg));
#endif /* LINUX_VERSION_CODE >= (3, 5, 0) */
		}

	}

	return 0;
}

void wl_cfg80211_clear_security(struct bcm_cfg80211 *cfg)
{
	struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
	int err;

	/* Clear the security settings on the primary Interface */
	err = wldev_iovar_setint(dev, "wsec", 0);
	if (unlikely(err)) {
		WL_ERR(("wsec clear failed \n"));
	}
	err = wldev_iovar_setint(dev, "auth", 0);
	if (unlikely(err)) {
		WL_ERR(("auth clear failed \n"));
	}
	err = wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED);
	if (unlikely(err)) {
		WL_ERR(("wpa_auth clear failed \n"));
	}
}

#ifdef WL_CFG80211_P2P_DEV_IF
void wl_cfg80211_del_p2p_wdev(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct wireless_dev *wdev = NULL;

	WL_DBG(("Enter \n"));
	if (!cfg) {
		WL_ERR(("Invalid Ptr\n"));
		return;
	} else {
		wdev = cfg->p2p_wdev;
	}

	if (wdev) {
		wl_cfgp2p_del_p2p_disc_if(wdev, cfg);
	}
}
#endif /* WL_CFG80211_P2P_DEV_IF */

#ifdef GTK_OFFLOAD_SUPPORT
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
static s32
wl_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
		struct cfg80211_gtk_rekey_data *data)
{
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	s32 err = 0;
	gtk_keyinfo_t keyinfo;
	bcol_gtk_para_t bcol_keyinfo;

	WL_DBG(("Enter\n"));
	if (data == NULL || cfg->p2p_net == dev) {
		WL_ERR(("data is NULL or wrong net device\n"));
		return -EINVAL;
	}

	prhex("kck", (const u8 *) (data->kck), RSN_KCK_LENGTH);
	prhex("kek", (const u8 *) (data->kek), RSN_KEK_LENGTH);
	prhex("replay_ctr", (const u8 *) (data->replay_ctr), RSN_REPLAY_LEN);
	bcopy(data->kck, keyinfo.KCK, RSN_KCK_LENGTH);
	bcopy(data->kek, keyinfo.KEK, RSN_KEK_LENGTH);
	bcopy(data->replay_ctr, keyinfo.ReplayCounter, RSN_REPLAY_LEN);

	memset(&bcol_keyinfo, 0, sizeof(bcol_keyinfo));
	bcol_keyinfo.enable = 1;
	bcol_keyinfo.ptk_len = 64;
	memcpy(&bcol_keyinfo.ptk[0], data->kck, RSN_KCK_LENGTH);
	memcpy(&bcol_keyinfo.ptk[RSN_KCK_LENGTH], data->kek, RSN_KEK_LENGTH);
	err = wldev_iovar_setbuf(dev, "bcol_gtk_rekey_ptk", &bcol_keyinfo,
		sizeof(bcol_keyinfo), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
	if (!err) {
		return err;
	}

	if ((err = wldev_iovar_setbuf(dev, "gtk_key_info", &keyinfo, sizeof(keyinfo),
		cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync)) < 0) {
		WL_ERR(("seting gtk_key_info failed code=%d\n", err));
		return err;
	}

	WL_DBG(("Exit\n"));
	return err;
}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */
#endif /* GTK_OFFLOAD_SUPPORT */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0))
static int wl_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev,
	const struct cfg80211_pmk_conf *conf)
{
	int ret = 0;
	wsec_pmk_t pmk;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct wl_security *sec;
	s32 bssidx;

	pmk.key_len = conf->pmk_len;
	if (pmk.key_len > sizeof(pmk.key)) {
		ret = -EINVAL;
		return ret;
	}
	pmk.flags = 0;
	ret = memcpy_s(&pmk.key, sizeof(pmk.key), conf->pmk, conf->pmk_len);
	if (ret) {
		ret = -EINVAL;
		return ret;
	}

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find index failed\n"));
		ret = -EINVAL;
		return ret;
	}

	sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
	if ((sec->wpa_auth == WLAN_AKM_SUITE_8021X) ||
		(sec->wpa_auth == WL_AKM_SUITE_SHA256_1X)) {
		ret = wldev_iovar_setbuf_bsscfg(dev, "okc_info_pmk", pmk.key, pmk.key_len,
			cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync);
		if (ret) {
			/* could fail in case that 'okc' is not supported */
			WL_INFORM_MEM(("okc_info_pmk failed, err=%d (ignore)\n", ret));
		}
	}

	ret = wldev_ioctl_set(dev, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
	if (ret) {
		WL_ERR(("wl_cfg80211_set_pmk error:%d", ret));
		ret = -EINVAL;
		return ret;
	}
	return 0;
}

static int wl_cfg80211_del_pmk(struct wiphy *wiphy, struct net_device *dev,
	const u8 *aa)
{
	int err = BCME_OK;
	struct cfg80211_pmksa pmksa;

	/* build up cfg80211_pmksa structure to use existing wl_cfg80211_update_pmksa API */
	bzero(&pmksa, sizeof(pmksa));
	pmksa.bssid = aa;

	err = wl_cfg80211_update_pmksa(wiphy, dev, &pmksa, FALSE);

	if (err) {
		WL_ERR(("wl_cfg80211_update_pmksa err:%d\n", err));
		err = -EINVAL;
	}

	return err;
}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) */

#if defined(WL_SUPPORT_AUTO_CHANNEL)
int
wl_cfg80211_set_spect(struct net_device *dev, int spect)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	int wlc_down = 1;
	int wlc_up = 1;
	int err = BCME_OK;

	if (!wl_get_drv_status_all(cfg, CONNECTED)) {
		err = wldev_ioctl_set(dev, WLC_DOWN, &wlc_down, sizeof(wlc_down));
		if (err) {
			WL_ERR(("%s: WLC_DOWN failed: code: %d\n", __func__, err));
			return err;
		}

		err = wldev_ioctl_set(dev, WLC_SET_SPECT_MANAGMENT, &spect, sizeof(spect));
		if (err) {
			WL_ERR(("%s: error setting spect: code: %d\n", __func__, err));
			return err;
		}

		err = wldev_ioctl_set(dev, WLC_UP, &wlc_up, sizeof(wlc_up));
		if (err) {
			WL_ERR(("%s: WLC_UP failed: code: %d\n", __func__, err));
			return err;
		}
	}
	return err;
}

int
wl_cfg80211_get_sta_channel(struct bcm_cfg80211 *cfg)
{
	int channel = 0;

	if (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) {
		channel = cfg->channel;
	}
	return channel;
}
#endif /* WL_SUPPORT_AUTO_CHANNEL */

u64
wl_cfg80211_get_new_roc_id(struct bcm_cfg80211 *cfg)
{
	u64 id = 0;
	id = ++cfg->last_roc_id;
#ifdef  P2P_LISTEN_OFFLOADING
	if (id == P2PO_COOKIE) {
		id = ++cfg->last_roc_id;
	}
#endif /* P2P_LISTEN_OFFLOADING */
	if (id == 0)
		id = ++cfg->last_roc_id;
	return id;
}

#ifdef WLTDLS
s32
wl_cfg80211_tdls_config(struct bcm_cfg80211 *cfg, enum wl_tdls_config state, bool auto_mode)
{
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	int err = 0;
	struct net_info *iter, *next;
	int update_reqd = 0;
	int enable = 0;
	dhd_pub_t *dhdp;
	dhdp = (dhd_pub_t *)(cfg->pub);

	/*
	 * TDLS need to be enabled only if we have a single STA/GC
	 * connection.
	 */

	WL_DBG(("Enter state:%d\n", state));
	if (!cfg->tdls_supported) {
		/* FW doesn't support tdls. Do nothing */
		return -ENODEV;
	}

	/* Protect tdls config session */
	mutex_lock(&cfg->tdls_sync);

	if (state == TDLS_STATE_TEARDOWN) {
		/* Host initiated TDLS tear down */
		err = dhd_tdls_enable(ndev, false, auto_mode, NULL);
		goto exit;
	} else if ((state == TDLS_STATE_AP_CREATE) ||
		(state == TDLS_STATE_NMI_CREATE)) {
		/* We don't support tdls while AP/GO/NAN is operational */
		update_reqd = true;
		enable = false;
	} else if ((state == TDLS_STATE_CONNECT) || (state == TDLS_STATE_IF_CREATE)) {
		if (wl_get_drv_status_all(cfg,
			CONNECTED) >= TDLS_MAX_IFACE_FOR_ENABLE) {
			/* For STA/GC connect command request, disable
			 * tdls if we have any concurrent interfaces
			 * operational.
			 */
			WL_DBG(("Interface limit restriction. disable tdls.\n"));
			update_reqd = true;
			enable = false;
		}
	} else if ((state == TDLS_STATE_DISCONNECT) ||
		(state == TDLS_STATE_AP_DELETE) ||
		(state == TDLS_STATE_SETUP) ||
		(state == TDLS_STATE_IF_DELETE)) {
		/* Enable back the tdls connection only if we have less than
		 * or equal to a single STA/GC connection.
		 */
		if (wl_get_drv_status_all(cfg,
			CONNECTED) == 0) {
			/* If there are no interfaces connected, enable tdls */
			update_reqd = true;
			enable = true;
		} else if (wl_get_drv_status_all(cfg,
			CONNECTED) == TDLS_MAX_IFACE_FOR_ENABLE) {
			/* We have one interface in CONNECTED state.
			 * Verify whether its a STA interface before
			 * we enable back tdls.
			 */
			GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
			for_each_ndev(cfg, iter, next) {
				GCC_DIAGNOSTIC_POP();
				if ((iter->ndev) && (wl_get_drv_status(cfg, CONNECTED, ndev)) &&
					(ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)) {
					WL_DBG(("Non STA iface operational. cfg_iftype:%d"
						" Can't enable tdls.\n",
						ndev->ieee80211_ptr->iftype));
					err = -ENOTSUPP;
					goto exit;
				}
			}
			/* No AP/GO found. Enable back tdls */
			update_reqd = true;
			enable = true;
		} else {
			WL_DBG(("Concurrent connection mode. Can't enable tdls. \n"));
			err = -ENOTSUPP;
			goto exit;
		}
	} else {
		WL_ERR(("Unknown tdls state:%d \n", state));
		err = -EINVAL;
		goto exit;
	}

	if (update_reqd == true) {
		if (dhdp->tdls_enable == enable) {
			WL_DBG(("No change in tdls state. Do nothing."
				" tdls_enable:%d\n", enable));
			goto exit;
		}
		err = wldev_iovar_setint(ndev, "tdls_enable", enable);
		if (unlikely(err)) {
			WL_ERR(("tdls_enable setting failed. err:%d\n", err));
			goto exit;
		} else {
			WL_INFORM_MEM(("tdls_enable %d state:%d\n", enable, state));
			/* Update the dhd state variable to be in sync */
			dhdp->tdls_enable = enable;
			if (state == TDLS_STATE_SETUP) {
				/* For host initiated setup, apply TDLS params
				 * Don't propagate errors up for param config
				 * failures
				 */
				dhd_tdls_enable(ndev, true, auto_mode, NULL);

			}
		}
	} else {
		WL_DBG(("Skip tdls config. state:%d update_reqd:%d "
			"current_status:%d \n",
			state, update_reqd, dhdp->tdls_enable));
	}

exit:
	if (err) {
		wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
	}
	mutex_unlock(&cfg->tdls_sync);
	return err;
}
#endif /* WLTDLS */

struct net_device* wl_get_ap_netdev(struct bcm_cfg80211 *cfg, char *ifname)
{
	struct net_info *iter, *next;
	struct net_device *ndev = NULL;

	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev) {
			if (strncmp(iter->ndev->name, ifname, IFNAMSIZ) == 0) {
				if (iter->ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
					ndev = iter->ndev;
					break;
				}
			}
		}
	}

	return ndev;
}

struct net_device*
wl_get_netdev_by_name(struct bcm_cfg80211 *cfg, char *ifname)
{
	struct net_info *iter, *next;
	struct net_device *ndev = NULL;

	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev) {
			if (strncmp(iter->ndev->name, ifname, IFNAMSIZ) == 0) {
				ndev = iter->ndev;
				break;
			}
		}
	}

	return ndev;
}

#ifdef SUPPORT_AP_HIGHER_BEACONRATE
#define WLC_RATE_FLAG	0x80
#define RATE_MASK		0x7f

int wl_set_ap_beacon_rate(struct net_device *dev, int val, char *ifname)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	wl_rateset_args_t rs;
	int error = BCME_ERROR, i;
	struct net_device *ndev = NULL;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (dhdp && !(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		return BCME_NOTAP;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		return BCME_NOTAP;
	}

	bzero(&rs, sizeof(wl_rateset_args_t));
	error = wldev_iovar_getbuf(ndev, "rateset", NULL, 0,
		&rs, sizeof(wl_rateset_args_t), NULL);
	if (error < 0) {
		WL_ERR(("get rateset failed = %d\n", error));
		return error;
	}

	if (rs.count < 1) {
		WL_ERR(("Failed to get rate count\n"));
		return BCME_ERROR;
	}

	/* Host delivers target rate in the unit of 500kbps */
	/* To make it to 1mbps unit, atof should be implemented for 5.5mbps basic rate */
	for (i = 0; i < rs.count && i < WL_NUMRATES; i++)
		if (rs.rates[i] & WLC_RATE_FLAG)
			if ((rs.rates[i] & RATE_MASK) == val)
				break;

	/* Valid rate has been delivered as an argument */
	if (i < rs.count && i < WL_NUMRATES) {
		error = wldev_iovar_setint(ndev, "force_bcn_rspec", val);
		if (error < 0) {
			WL_ERR(("set beacon rate failed = %d\n", error));
			return BCME_ERROR;
		}
	} else {
		WL_ERR(("Rate is invalid"));
		return BCME_BADARG;
	}

	return BCME_OK;
}

int
wl_get_ap_basic_rate(struct net_device *dev, char* command, char *ifname, int total_len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	wl_rateset_args_t rs;
	int error = BCME_ERROR;
	int i, bytes_written = 0;
	struct net_device *ndev = NULL;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		return BCME_NOTAP;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		return BCME_NOTAP;
	}

	bzero(&rs, sizeof(wl_rateset_args_t));
	error = wldev_iovar_getbuf(ndev, "rateset", NULL, 0,
		&rs, sizeof(wl_rateset_args_t), NULL);
	if (error < 0) {
		WL_ERR(("get rateset failed = %d\n", error));
		return error;
	}

	if (rs.count < 1) {
		WL_ERR(("Failed to get rate count\n"));
		return BCME_ERROR;
	}

	/* Delivers basic rate in the unit of 500kbps to host */
	for (i = 0; i < rs.count && i < WL_NUMRATES; i++)
		if (rs.rates[i] & WLC_RATE_FLAG)
			bytes_written += snprintf(command + bytes_written, total_len,
							"%d ", rs.rates[i] & RATE_MASK);

	/* Remove last space in the command buffer */
	if (bytes_written && (bytes_written < total_len)) {
		command[bytes_written - 1] = '\0';
		bytes_written--;
	}

	return bytes_written;

}
#endif /* SUPPORT_AP_HIGHER_BEACONRATE */

#ifdef SUPPORT_AP_RADIO_PWRSAVE
#define MSEC_PER_MIN	(60000L)

static int
_wl_update_ap_rps_params(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = NULL;
	rpsnoa_iovar_params_t iovar;
	u8 smbuf[WLC_IOCTL_SMLEN];

	if (!dev)
		return BCME_BADARG;

	cfg = wl_get_cfg(dev);

	bzero(&iovar, sizeof(iovar));
	bzero(smbuf, sizeof(smbuf));

	iovar.hdr.ver = RADIO_PWRSAVE_VERSION;
	iovar.hdr.subcmd = WL_RPSNOA_CMD_PARAMS;
	iovar.hdr.len = sizeof(iovar);
	iovar.param->band = WLC_BAND_ALL;
	iovar.param->level = cfg->ap_rps_info.level;
	iovar.param->stas_assoc_check = cfg->ap_rps_info.sta_assoc_check;
	iovar.param->pps = cfg->ap_rps_info.pps;
	iovar.param->quiet_time = cfg->ap_rps_info.quiet_time;

	if (wldev_iovar_setbuf(dev, "rpsnoa", &iovar, sizeof(iovar),
		smbuf, sizeof(smbuf), NULL)) {
		WL_ERR(("Failed to set rpsnoa params"));
		return BCME_ERROR;
	}

	return BCME_OK;
}

int
wl_get_ap_rps(struct net_device *dev, char* command, char *ifname, int total_len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	int error = BCME_ERROR;
	int bytes_written = 0;
	struct net_device *ndev = NULL;
	rpsnoa_iovar_status_t iovar;
	u8 smbuf[WLC_IOCTL_SMLEN];
	u32 chanspec = 0;
	u8 idx = 0;
	u16 state;
	u32 sleep;
	u32 time_since_enable;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (!dhdp) {
		error = BCME_NOTUP;
		goto fail;
	}

	if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		error = BCME_NOTAP;
		goto fail;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		error = BCME_NOTAP;
		goto fail;
	}

	bzero(&iovar, sizeof(iovar));
	bzero(smbuf, sizeof(smbuf));

	iovar.hdr.ver = RADIO_PWRSAVE_VERSION;
	iovar.hdr.subcmd = WL_RPSNOA_CMD_STATUS;
	iovar.hdr.len = sizeof(iovar);
	iovar.stats->band = WLC_BAND_ALL;

	error = wldev_iovar_getbuf(ndev, "rpsnoa", &iovar, sizeof(iovar),
		smbuf, sizeof(smbuf), NULL);
	if (error < 0) {
		WL_ERR(("get ap radio pwrsave failed = %d\n", error));
		goto fail;
	}

	/* RSDB event doesn't seem to be handled correctly.
	 * So check chanspec of AP directly from the firmware
	 */
	error = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec);
	if (error < 0) {
		WL_ERR(("get chanspec from AP failed = %d\n", error));
		goto fail;
	}

	chanspec = wl_chspec_driver_to_host(chanspec);
	if (CHSPEC_IS2G(chanspec))
		idx = 0;
	else if (CHSPEC_IS5G(chanspec))
		idx = 1;
	else {
		error = BCME_BADCHAN;
		goto fail;
	}

	state = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].state;
	sleep = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].sleep_dur;
	time_since_enable = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].sleep_avail_dur;

	/* Conver ms to minute, round down only */
	sleep = DIV_U64_BY_U32(sleep, MSEC_PER_MIN);
	time_since_enable = DIV_U64_BY_U32(time_since_enable, MSEC_PER_MIN);

	bytes_written += snprintf(command + bytes_written, total_len,
		"state=%d sleep=%d time_since_enable=%d", state, sleep, time_since_enable);
	error = bytes_written;

fail:
	return error;
}

int
wl_set_ap_rps(struct net_device *dev, bool enable, char *ifname)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	struct net_device *ndev = NULL;
	rpsnoa_iovar_t iovar;
	u8 smbuf[WLC_IOCTL_SMLEN];
	int ret = BCME_OK;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (!dhdp) {
		ret = BCME_NOTUP;
		goto exit;
	}

	if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		ret = BCME_NOTAP;
		goto exit;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		ret = BCME_NOTAP;
		goto exit;
	}

	if (cfg->ap_rps_info.enable != enable) {
		cfg->ap_rps_info.enable = enable;
		if (enable) {
			ret = _wl_update_ap_rps_params(ndev);
			if (ret) {
				WL_ERR(("Filed to update rpsnoa params\n"));
				goto exit;
			}
		}
		bzero(&iovar, sizeof(iovar));
		bzero(smbuf, sizeof(smbuf));

		iovar.hdr.ver = RADIO_PWRSAVE_VERSION;
		iovar.hdr.subcmd = WL_RPSNOA_CMD_ENABLE;
		iovar.hdr.len = sizeof(iovar);
		iovar.data->band = WLC_BAND_ALL;
		iovar.data->value = (int16)enable;

		ret = wldev_iovar_setbuf(ndev, "rpsnoa", &iovar, sizeof(iovar),
			smbuf, sizeof(smbuf), NULL);
		if (ret) {
			WL_ERR(("Failed to enable AP radio power save"));
			goto exit;
		}
		cfg->ap_rps_info.enable = enable;
	}
exit:
	return ret;
}

int
wl_update_ap_rps_params(struct net_device *dev, ap_rps_info_t* rps, char *ifname)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	struct net_device *ndev = NULL;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (!dhdp)
		return BCME_NOTUP;

	if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		return BCME_NOTAP;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		return BCME_NOTAP;
	}

	if (!rps)
		return BCME_BADARG;

	if (rps->pps < RADIO_PWRSAVE_PPS_MIN)
		return BCME_BADARG;

	if (rps->level < RADIO_PWRSAVE_LEVEL_MIN ||
		rps->level > RADIO_PWRSAVE_LEVEL_MAX)
		return BCME_BADARG;

	if (rps->quiet_time < RADIO_PWRSAVE_QUIETTIME_MIN)
		return BCME_BADARG;

	if (rps->sta_assoc_check > RADIO_PWRSAVE_ASSOCCHECK_MAX ||
		rps->sta_assoc_check < RADIO_PWRSAVE_ASSOCCHECK_MIN)
		return BCME_BADARG;

	cfg->ap_rps_info.pps = rps->pps;
	cfg->ap_rps_info.level = rps->level;
	cfg->ap_rps_info.quiet_time = rps->quiet_time;
	cfg->ap_rps_info.sta_assoc_check = rps->sta_assoc_check;

	if (cfg->ap_rps_info.enable) {
		if (_wl_update_ap_rps_params(ndev)) {
			WL_ERR(("Failed to update rpsnoa params"));
			return BCME_ERROR;
		}
	}

	return BCME_OK;
}

void
wl_cfg80211_init_ap_rps(struct bcm_cfg80211 *cfg)
{
	cfg->ap_rps_info.enable = FALSE;
	cfg->ap_rps_info.sta_assoc_check = RADIO_PWRSAVE_STAS_ASSOC_CHECK;
	cfg->ap_rps_info.pps = RADIO_PWRSAVE_PPS;
	cfg->ap_rps_info.quiet_time = RADIO_PWRSAVE_QUIET_TIME;
	cfg->ap_rps_info.level = RADIO_PWRSAVE_LEVEL;
}
#endif /* SUPPORT_AP_RADIO_PWRSAVE */

int
wl_cfg80211_iface_count(struct net_device *dev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct net_info *iter, *next;
	int iface_count = 0;

	/* Return the count of network interfaces (skip netless p2p discovery
	 * interface)
	 */
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev) {
			iface_count++;
		}
	}
	return iface_count;
}

#ifdef SUPPORT_SET_CAC
static void
wl_cfg80211_set_cac(struct bcm_cfg80211 *cfg, int enable)
{
	int ret = 0;
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);

	WL_DBG(("cac enable %d\n", enable));
	if (!dhd) {
		WL_ERR(("dhd is NULL\n"));
		return;
	}
	if ((ret = dhd_wl_ioctl_set_intiovar(dhd, "cac", enable,
			WLC_SET_VAR, TRUE, 0)) < 0) {
		WL_ERR(("Failed set CAC, ret=%d\n", ret));
	} else {
		WL_DBG(("CAC set successfully\n"));
	}
	return;
}
#endif /* SUPPORT_SET_CAC */

#ifdef SUPPORT_RSSI_SUM_REPORT
int
wl_get_rssi_per_ant(struct net_device *dev, char *ifname, char *peer_mac, void *param)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	wl_rssi_ant_mimo_t *get_param = (wl_rssi_ant_mimo_t *)param;
	rssi_ant_param_t *set_param = NULL;
	struct net_device *ifdev = NULL;
	char iobuf[WLC_IOCTL_SMLEN];
	int err = BCME_OK;
	int iftype = 0;

	bzero(iobuf, WLC_IOCTL_SMLEN);

	/* Check the interface type */
	ifdev = wl_get_netdev_by_name(cfg, ifname);
	if (ifdev == NULL) {
		WL_ERR(("Could not find net_device for ifname:%s\n", ifname));
		err = BCME_BADARG;
		goto fail;
	}

	iftype = ifdev->ieee80211_ptr->iftype;
	if (iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO) {
		if (peer_mac) {
			set_param = (rssi_ant_param_t *)MALLOCZ(cfg->osh, sizeof(rssi_ant_param_t));
			err = wl_cfg80211_ether_atoe(peer_mac, &set_param->ea);
			if (!err) {
				WL_ERR(("Invalid Peer MAC format\n"));
				err = BCME_BADARG;
				goto fail;
			}
		} else {
			WL_ERR(("Peer MAC is not provided for iftype %d\n", iftype));
			err = BCME_BADARG;
			goto fail;
		}
	}

	err = wldev_iovar_getbuf(ifdev, "phy_rssi_ant", peer_mac ?
		(void *)&(set_param->ea) : NULL, peer_mac ? ETHER_ADDR_LEN : 0,
		(void *)iobuf, sizeof(iobuf), NULL);
	if (unlikely(err)) {
		WL_ERR(("Failed to get rssi info, err=%d\n", err));
	} else {
		memcpy(get_param, iobuf, sizeof(wl_rssi_ant_mimo_t));
		if (get_param->count == 0) {
			WL_ERR(("Not supported on this chip\n"));
			err = BCME_UNSUPPORTED;
		}
	}

fail:
	if (set_param) {
		MFREE(cfg->osh, set_param, sizeof(rssi_ant_param_t));
	}

	return err;
}

int
wl_get_rssi_logging(struct net_device *dev, void *param)
{
	rssilog_get_param_t *get_param = (rssilog_get_param_t *)param;
	char iobuf[WLC_IOCTL_SMLEN];
	int err = BCME_OK;

	bzero(iobuf, WLC_IOCTL_SMLEN);
	bzero(get_param, sizeof(*get_param));
	err = wldev_iovar_getbuf(dev, "rssilog", NULL, 0, (void *)iobuf,
		sizeof(iobuf), NULL);
	if (err) {
		WL_ERR(("Failed to get rssi logging info, err=%d\n", err));
	} else {
		memcpy(get_param, iobuf, sizeof(*get_param));
	}

	return err;
}

int
wl_set_rssi_logging(struct net_device *dev, void *param)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	rssilog_set_param_t *set_param = (rssilog_set_param_t *)param;
	int err;

	err = wldev_iovar_setbuf(dev, "rssilog", set_param,
		sizeof(*set_param), cfg->ioctl_buf, WLC_IOCTL_SMLEN,
		&cfg->ioctl_buf_sync);
	if (err) {
		WL_ERR(("Failed to set rssi logging param, err=%d\n", err));
	}

	return err;
}
#endif /* SUPPORT_RSSI_SUM_REPORT */
/* Function to flush the FW preserve buffer content
* The buffer content is sent to host in form of events.
*/
void
wl_flush_fw_log_buffer(struct net_device *dev, uint32 logset_mask)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	int i;
	int err = 0;
	u8 buf[WLC_IOCTL_SMLEN] = {0};
	wl_el_set_params_t set_param;

	/* Set the size of data to retrieve */
	memset(&set_param, 0, sizeof(set_param));
	set_param.size = WLC_IOCTL_SMLEN;

	for (i = 0; i < dhd->event_log_max_sets; i++)
	{
		if ((0x01u << i) & logset_mask) {
			set_param.set = i;
			err = wldev_iovar_setbuf(dev, "event_log_get", &set_param,
				sizeof(struct wl_el_set_params_s), buf, WLC_IOCTL_SMLEN,
				NULL);
			if (err) {
				WL_DBG(("Failed to get fw preserve logs, err=%d\n", err));
			}
		}
	}
}
#ifdef USE_WFA_CERT_CONF
extern int g_frameburst;
#endif /* USE_WFA_CERT_CONF */

int
wl_cfg80211_set_frameburst(struct bcm_cfg80211 *cfg, bool enable)
{
	int ret = BCME_OK;
	int val = enable ? 1 : 0;

#ifdef USE_WFA_CERT_CONF
	if (!g_frameburst) {
		WL_DBG(("Skip setting frameburst\n"));
		return 0;
	}
#endif /* USE_WFA_CERT_CONF */

	WL_DBG(("Set frameburst %d\n", val));
	ret = wldev_ioctl_set(bcmcfg_to_prmry_ndev(cfg), WLC_SET_FAKEFRAG, &val, sizeof(val));
	if (ret < 0) {
		WL_ERR(("Failed set frameburst, ret=%d\n", ret));
	} else {
		WL_INFORM_MEM(("frameburst is %s\n", enable ? "enabled" : "disabled"));
	}

	return ret;
}

s32
wl_cfg80211_set_dbg_verbose(struct net_device *ndev, u32 level)
{
	/* configure verbose level for debugging */
	if (level) {
		/* Enable increased verbose */
		wl_dbg_level |= WL_DBG_DBG;
	} else {
		/* Disable */
		wl_dbg_level &= ~WL_DBG_DBG;
	}
	WL_INFORM(("debug verbose set to %d\n", level));

	return BCME_OK;
}

const u8 *
wl_find_attribute(const u8 *buf, u16 len, u16 element_id)
{
	const u8 *attrib;
	u16 attrib_id;
	u16 attrib_len;

	if (!buf) {
		WL_ERR(("buf null\n"));
		return NULL;
	}

	attrib = buf;
	while (len >= 4) {
		/* attribute id */
		attrib_id = *attrib++ << 8;
		attrib_id |= *attrib++;
		len -= 2;

		/* 2-byte little endian */
		attrib_len = *attrib++ << 8;
		attrib_len |= *attrib++;

		len -= 2;
		if (attrib_id == element_id) {
			/* This will point to start of subelement attrib after
			 * attribute id & len
			 */
			return attrib;
		}
		if (len > attrib_len) {
			len -= attrib_len;	/* for the remaining subelt fields */
			WL_DBG(("Attribue:%4x attrib_len:%d rem_len:%d\n",
				attrib_id, attrib_len, len));

			/* Go to next subelement */
			attrib += attrib_len;
		} else {
			WL_ERR(("Incorrect Attribue:%4x attrib_len:%d\n",
				attrib_id, attrib_len));
			return NULL;
		}
	}
	return NULL;
}

uint8 wl_cfg80211_get_bus_state(struct bcm_cfg80211 *cfg)
{
	dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
	WL_INFORM(("dhd->hang_was_sent = %d and busstate = %d\n",
			dhd->hang_was_sent, dhd->busstate));
	return ((dhd->busstate == DHD_BUS_DOWN) || dhd->hang_was_sent);
}

#ifdef WL_WPS_SYNC
static void wl_wps_reauth_timeout(unsigned long data)
{
	struct net_device *ndev = (struct net_device *)data;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	s32 inst;
	unsigned long flags;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	inst = wl_get_wps_inst_match(cfg, ndev);
	if (inst >= 0) {
		WL_ERR(("[%s][WPS] Reauth Timeout Inst:%d! state:%d\n",
				ndev->name, inst, cfg->wps_session[inst].state));
		if (cfg->wps_session[inst].state == WPS_STATE_REAUTH_WAIT) {
			/* Session should get deleted from success (linkup) or
			 * deauth case. Just in case, link reassoc failed, clear
			 * state here.
			 */
			WL_ERR(("[%s][WPS] Reauth Timeout Inst:%d!\n",
				ndev->name, inst));
			cfg->wps_session[inst].state = WPS_STATE_IDLE;
			cfg->wps_session[inst].in_use = false;
		}
	}
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
}

static void wl_init_wps_reauth_sm(struct bcm_cfg80211 *cfg)
{
	/* Only two instances are supported as of now. one for
	 * infra STA and other for infra STA/GC.
	 */
	int i = 0;
	struct net_device *pdev = bcmcfg_to_prmry_ndev(cfg);

	spin_lock_init(&cfg->wps_sync);
	for (i = 0; i < WPS_MAX_SESSIONS; i++) {
		/* Init scan_timeout timer */
		init_timer_compat(&cfg->wps_session[i].timer, wl_wps_reauth_timeout, pdev);
		cfg->wps_session[i].in_use = false;
		cfg->wps_session[i].state = WPS_STATE_IDLE;
	}
}

static void wl_deinit_wps_reauth_sm(struct bcm_cfg80211 *cfg)
{
	int i = 0;

	for (i = 0; i < WPS_MAX_SESSIONS; i++) {
		cfg->wps_session[i].in_use = false;
		cfg->wps_session[i].state = WPS_STATE_IDLE;
		if (timer_pending(&cfg->wps_session[i].timer)) {
			del_timer_sync(&cfg->wps_session[i].timer);
		}
	}

}

static s32
wl_get_free_wps_inst(struct bcm_cfg80211 *cfg)
{
	int i;

	for (i = 0; i < WPS_MAX_SESSIONS; i++) {
		if (!cfg->wps_session[i].in_use) {
			return i;
		}
	}
	return BCME_ERROR;
}

static s32
wl_get_wps_inst_match(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
	int i;

	for (i = 0; i < WPS_MAX_SESSIONS; i++) {
		if ((cfg->wps_session[i].in_use) &&
			(ndev == cfg->wps_session[i].ndev)) {
			return i;
		}
	}

	return BCME_ERROR;
}

static s32
wl_wps_session_add(struct net_device *ndev, u16 mode, u8 *mac_addr)
{
	s32 inst;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	/* Fetch and initialize a wps instance */
	inst = wl_get_free_wps_inst(cfg);
	if (inst == BCME_ERROR) {
		WL_ERR(("[WPS] No free insance\n"));
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		return BCME_ERROR;
	}
	cfg->wps_session[inst].in_use = true;
	cfg->wps_session[inst].state = WPS_STATE_STARTED;
	cfg->wps_session[inst].ndev = ndev;
	cfg->wps_session[inst].mode = mode;
	/* return check not required since both buffer lens are same */
	(void)memcpy_s(cfg->wps_session[inst].peer_mac, ETH_ALEN, mac_addr, ETH_ALEN);
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);

	WL_INFORM_MEM(("[%s][WPS] session created.  Peer: " MACDBG "\n",
		ndev->name, MAC2STRDBG(mac_addr)));
	return BCME_OK;
}

static void
wl_wps_session_del(struct net_device *ndev)
{
	s32 inst;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);

	/* Get current instance for the given ndev */
	inst = wl_get_wps_inst_match(cfg, ndev);
	if (inst == BCME_ERROR) {
		WL_DBG(("[WPS] instance match NOT found\n"));
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		return;
	}

	cur_state = cfg->wps_session[inst].state;
	if (cur_state != WPS_STATE_DONE) {
		WL_DBG(("[WPS] wrong state:%d\n", cur_state));
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		return;
	}

	/* Mark this as unused */
	cfg->wps_session[inst].in_use = false;
	cfg->wps_session[inst].state = WPS_STATE_IDLE;
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);

	/* Ensure this API is called from sleepable context. */
	if (timer_pending(&cfg->wps_session[inst].timer)) {
		del_timer_sync(&cfg->wps_session[inst].timer);
	}

	WL_INFORM_MEM(("[%s][WPS] session deleted\n", ndev->name));
}

static void
wl_wps_handle_ifdel(struct net_device *ndev)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	s32 inst;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	inst = wl_get_wps_inst_match(cfg, ndev);
	if (inst == BCME_ERROR) {
		WL_DBG(("[WPS] instance match NOT found\n"));
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		return;
	}
	cur_state = cfg->wps_session[inst].state;
	cfg->wps_session[inst].state = WPS_STATE_DONE;
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);

	WL_INFORM_MEM(("[%s][WPS] state:%x\n", ndev->name, cur_state));
	if (cur_state > WPS_STATE_IDLE) {
		wl_wps_session_del(ndev);
	}
}

static s32
wl_wps_handle_sta_linkdown(struct net_device *ndev, u16 inst)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	bool wps_done = false;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;
	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		wl_clr_drv_status(cfg, CONNECTED, ndev);
		wl_clr_drv_status(cfg, DISCONNECTING, ndev);
		WL_INFORM_MEM(("[%s][WPS] REAUTH link down\n", ndev->name));
		/* Drop the link down event while we are waiting for reauth */
		return BCME_UNSUPPORTED;
	} else if (cur_state == WPS_STATE_STARTED) {
		/* Link down before reaching EAP-FAIL. End WPS session */
		cfg->wps_session[inst].state = WPS_STATE_DONE;
		wps_done = true;
		WL_INFORM_MEM(("[%s][WPS] link down after wps start\n", ndev->name));
	} else {
		WL_DBG(("[%s][WPS] link down in state:%d\n",
			ndev->name, cur_state));
	}

	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);

	if (wps_done) {
		wl_wps_session_del(ndev);
	}
	return BCME_OK;
}

static s32
wl_wps_handle_peersta_linkdown(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	s32 ret = BCME_OK;
	bool wps_done = false;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;

	if (!peer_mac) {
		WL_ERR(("Invalid arg\n"));
		ret = BCME_ERROR;
		goto exit;
	}

	/* AP/GO can have multiple clients. so validate peer_mac addr
	 * and ensure states are updated only for right peer.
	 */
	if (memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
		/* Mac addr not matching. Ignore. */
		WL_DBG(("[%s][WPS] No active WPS session"
			"for the peer:" MACDBG "\n", ndev->name, MAC2STRDBG(peer_mac)));
		ret = BCME_OK;
		goto exit;
	}
	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		WL_INFORM_MEM(("[%s][WPS] REAUTH link down."
			" Peer: " MACDBG "\n",
			ndev->name, MAC2STRDBG(peer_mac)));
#ifdef NOT_YET
		/* Link down during REAUTH state is expected. However,
		 * if this is send up, hostapd statemachine issues a
		 * deauth down and that may pre-empt WPS reauth state
		 * at GC.
		 */
		WL_INFORM_MEM(("[%s][WPS] REAUTH link down. Ignore."
			" for client:" MACDBG "\n",
			ndev->name, MAC2STRDBG(peer_mac)));
		ret = BCME_UNSUPPORTED;
#endif // endif
	} else if (cur_state == WPS_STATE_STARTED) {
		/* Link down before reaching REAUTH_WAIT state. WPS
		 * session ended.
		 */
		cfg->wps_session[inst].state = WPS_STATE_DONE;
		WL_INFORM_MEM(("[%s][WPS] link down after wps start"
			" client:" MACDBG "\n",
			ndev->name, MAC2STRDBG(peer_mac)));
		wps_done = true;
		/* since we have freed lock above, return from here */
		ret = BCME_OK;
	} else {
		WL_ERR(("[%s][WPS] Unsupported state:%d",
			ndev->name, cur_state));
		ret = BCME_ERROR;
	}
exit:
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	if (wps_done) {
		wl_wps_session_del(ndev);
	}
	return ret;
}

static s32
wl_wps_handle_sta_linkup(struct net_device *ndev, u16 inst)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	s32 ret = BCME_OK;
	bool wps_done = false;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;
	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		/* WPS session succeeded. del session. */
		cfg->wps_session[inst].state = WPS_STATE_DONE;
		wps_done = true;
		WL_INFORM_MEM(("[%s][WPS] WPS_REAUTH link up (WPS DONE)\n", ndev->name));
		ret = BCME_OK;
	} else {
		WL_ERR(("[%s][WPS] unexpected link up in state:%d \n",
			ndev->name, cur_state));
		ret = BCME_ERROR;
	}
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	if (wps_done) {
		wl_wps_session_del(ndev);
	}
	return ret;
}

static s32
wl_wps_handle_peersta_linkup(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	s32 ret = BCME_OK;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;

	/* For AP case, check whether call came for right peer */
	if (!peer_mac ||
		memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
		WL_ERR(("[WPS] macaddr mismatch\n"));
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		/* Mac addr not matching. Ignore. */
		return BCME_ERROR;
	}

	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		WL_INFORM_MEM(("[%s][WPS] REAUTH link up\n", ndev->name));
		ret = BCME_OK;
	} else {
		WL_INFORM_MEM(("[%s][WPS] unexpected link up in state:%d \n",
			ndev->name, cur_state));
		ret = BCME_ERROR;
	}

	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);

	return ret;
}

static s32
wl_wps_handle_authorize(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	bool wps_done = false;
	s32 ret = BCME_OK;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;

	/* For AP case, check whether call came for right peer */
	if (!peer_mac ||
		memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
		WL_ERR(("[WPS] macaddr mismatch\n"));
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		/* Mac addr not matching. Ignore. */
		return BCME_ERROR;
	}

	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		/* WPS session succeeded. del session. */
		cfg->wps_session[inst].state = WPS_STATE_DONE;
		wps_done = true;
		WL_INFORM_MEM(("[%s][WPS] Authorize done (WPS DONE)\n", ndev->name));
		ret = BCME_OK;
	} else {
		WL_INFORM_MEM(("[%s][WPS] unexpected Authorize in state:%d \n",
			ndev->name, cur_state));
		ret = BCME_ERROR;
	}

	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	if (wps_done) {
		wl_wps_session_del(ndev);
	}
	return ret;
}

static s32
wl_wps_handle_reauth(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	u16 mode;
	s32 ret = BCME_OK;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;
	mode = cfg->wps_session[inst].mode;

	if (((mode == WL_MODE_BSS) && (cur_state == WPS_STATE_STARTED)) ||
		((mode == WL_MODE_AP) && (cur_state == WPS_STATE_M8_SENT))) {
		/* Move to reauth wait */
		cfg->wps_session[inst].state = WPS_STATE_REAUTH_WAIT;
		/* Use ndev to find the wps instance which fired the timer */
		timer_set_private(&cfg->wps_session[inst].timer, ndev);
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		mod_timer(&cfg->wps_session[inst].timer,
			jiffies + msecs_to_jiffies(WL_WPS_REAUTH_TIMEOUT));
		WL_INFORM_MEM(("[%s][WPS] STATE_REAUTH_WAIT mode:%d Peer: " MACDBG "\n",
			ndev->name, mode, MAC2STRDBG(peer_mac)));
		return BCME_OK;
	} else {
		/* 802.1x cases */
		WL_DBG(("[%s][WPS] EAP-FAIL\n", ndev->name));
	}
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	return ret;
}

static s32
wl_wps_handle_disconnect(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	s32 ret = BCME_OK;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;
	/* If Disconnect command comes from  user space for STA/GC,
	 * respond with event without waiting for event from fw as
	 * it would be dropped by the WPS_SYNC code.
	 */
	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		if (ETHER_ISBCAST(peer_mac)) {
			WL_DBG(("[WPS] Bcast peer. Do nothing.\n"));
		} else {
			/* Notify link down */
			CFG80211_DISCONNECTED(ndev,
				WLAN_REASON_DEAUTH_LEAVING, NULL, 0,
				true, GFP_ATOMIC);
		}
	} else {
		WL_DBG(("[%s][WPS] Not valid state to report disconnected:%d",
			ndev->name, cur_state));
		ret = BCME_UNSUPPORTED;
	}
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	return ret;
}

static s32
wl_wps_handle_disconnect_client(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	s32 ret = BCME_OK;
	bool wps_done = false;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;
	/* For GO/AP, ignore disconnect client during reauth state */
	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		if (ETHER_ISBCAST(peer_mac)) {
			/* If there is broadcast deauth, then mark wps session as ended */
			cfg->wps_session[inst].state = WPS_STATE_DONE;
			wps_done = true;
			WL_INFORM_MEM(("[%s][WPS] BCAST deauth. WPS stopped.\n", ndev->name));
			ret = BCME_OK;
			goto exit;
		} else if (!(memcmp(cfg->wps_session[inst].peer_mac,
			peer_mac, ETH_ALEN))) {
			WL_ERR(("[%s][WPS] Drop disconnect client\n", ndev->name));
			ret = BCME_UNSUPPORTED;
		}
	}

exit:
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	if (wps_done) {
		wl_wps_session_del(ndev);
	}
	return ret;
}

static s32
wl_wps_handle_connect_fail(struct net_device *ndev, u16 inst)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	bool wps_done = false;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;
	if (cur_state == WPS_STATE_REAUTH_WAIT) {
		cfg->wps_session[inst].state = WPS_STATE_DONE;
		wps_done = true;
		WL_INFORM_MEM(("[%s][WPS] Connect fail. WPS stopped.\n",
			ndev->name));
	} else {
		WL_ERR(("[%s][WPS] Connect fail. state:%d\n",
			ndev->name, cur_state));
	}
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	if (wps_done) {
		wl_wps_session_del(ndev);
	}
	return BCME_OK;
}

static s32
wl_wps_handle_m8_sent(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	unsigned long flags;
	u16 cur_state;
	s32 ret = BCME_OK;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	cur_state = cfg->wps_session[inst].state;

	if (cur_state == WPS_STATE_STARTED) {
		/* Move to M8 sent state */
		cfg->wps_session[inst].state = WPS_STATE_M8_SENT;
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		return BCME_OK;
	} else {
		/* 802.1x cases */
		WL_DBG(("[%s][WPS] Not valid state to send M8\n", ndev->name));
	}
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
	return ret;
}

static s32
wl_wps_session_update(struct net_device *ndev, u16 state, const u8 *peer_mac)
{
	s32 inst;
	u16 mode;
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	s32 ret = BCME_ERROR;
	unsigned long flags;

	WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags);
	/* Get current instance for the given ndev */
	inst = wl_get_wps_inst_match(cfg, ndev);
	if (inst == BCME_ERROR) {
		/* No active WPS session. Do Nothing. */
		WL_DBG(("[%s][WPS] No matching instance.\n", ndev->name));
		WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);
		return BCME_NOTFOUND;
	}
	mode = cfg->wps_session[inst].mode;
	WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags);

	WL_DBG(("[%s][WPS] state:%d mode:%d Peer: " MACDBG "\n",
		ndev->name, state, mode, MAC2STRDBG(peer_mac)));

	switch (state) {
		case WPS_STATE_M8_RECVD:
		{
			/* Occasionally, due to race condition between ctrl
			 * and data path, deauth ind is recvd before EAP-FAIL.
			 * Ignore deauth ind before EAP-FAIL
			 * So move to REAUTH WAIT on receiving M8 on GC and
			 * ignore deauth ind before EAP-FAIL till 'x' timeout.
			 * Kickoff a timer to monitor reauth status.
			 */
			if (mode == WL_MODE_BSS) {
				ret = wl_wps_handle_reauth(ndev, inst, peer_mac);
			} else {
				/* Nothing to be done for AP/GO mode */
				ret = BCME_OK;
			}
			break;
		}
		case WPS_STATE_M8_SENT:
		{
			/* Mantain the M8 sent state to verify
			 * EAP-FAIL sent is valid
			 */
			if (mode == WL_MODE_AP) {
				ret = wl_wps_handle_m8_sent(ndev, inst, peer_mac);
			} else {
				/* Nothing to be done for STA/GC mode */
				ret = BCME_OK;
			}
			break;
		}
		case WPS_STATE_EAP_FAIL:
		{
			/* Move to REAUTH WAIT following EAP-FAIL TX on GO/AP.
			 * Kickoff a timer to monitor reauth status
			 */
			if (mode == WL_MODE_AP) {
				ret = wl_wps_handle_reauth(ndev, inst, peer_mac);
			} else {
				/* Nothing to be done for STA/GC mode */
				ret = BCME_OK;
			}
			break;
		}
		case WPS_STATE_LINKDOWN:
		{
			if (mode == WL_MODE_BSS) {
				ret = wl_wps_handle_sta_linkdown(ndev, inst);
			} else if (mode == WL_MODE_AP) {
				/* Take action only for matching peer mac */
				if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
					ret = wl_wps_handle_peersta_linkdown(ndev, inst, peer_mac);
				}
			}
			break;
		}
		case WPS_STATE_LINKUP:
		{
			if (mode == WL_MODE_BSS) {
				wl_wps_handle_sta_linkup(ndev, inst);
			} else if (mode == WL_MODE_AP) {
				/* Take action only for matching peer mac */
				if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
					wl_wps_handle_peersta_linkup(ndev, inst, peer_mac);
				}
			}
			break;
		}
		case WPS_STATE_DISCONNECT_CLIENT:
		{
			/* Disconnect STA/GC command from user space */
			if (mode == WL_MODE_AP) {
				ret = wl_wps_handle_disconnect_client(ndev, inst, peer_mac);
			} else {
				WL_ERR(("[WPS] Unsupported mode %d\n", mode));
			}
			break;
		}
		case WPS_STATE_DISCONNECT:
		{
			/* Disconnect command on STA/GC interface */
			if (mode == WL_MODE_BSS) {
				ret = wl_wps_handle_disconnect(ndev, inst, peer_mac);
			}
			break;
		}
		case WPS_STATE_CONNECT_FAIL:
		{
			if (mode == WL_MODE_BSS) {
				ret = wl_wps_handle_connect_fail(ndev, inst);
			} else {
				WL_ERR(("[WPS] Unsupported mode %d\n", mode));
			}
			break;
		}
		case WPS_STATE_AUTHORIZE:
		{
			if (mode == WL_MODE_AP) {
				/* Take action only for matching peer mac */
				if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
					wl_wps_handle_authorize(ndev, inst, peer_mac);
				} else {
					WL_INFORM_MEM(("[WPS] Authorize Request for wrong peer\n"));
				}
			}
			break;
		}

	default:
		WL_ERR(("[WPS] Unsupported state:%d mode:%d\n", state, mode));
		ret = BCME_ERROR;
	}

	return ret;
}

#define EAP_EXP_ATTRIB_DATA_OFFSET 14
void
wl_handle_wps_states(struct net_device *ndev, u8 *pkt, u16 len, bool direction)
{
	eapol_header_t *eapol_hdr;
	bool tx_packet = direction;
	u16 eapol_type;
	u16 mode;
	u8 *peer_mac;

	if (!ndev || !pkt) {
		WL_ERR(("[WPS] Invalid arg\n"));
		return;
	}

	if (len < (ETHER_HDR_LEN + EAPOL_HDR_LEN)) {
		WL_ERR(("[WPS] Invalid len\n"));
		return;
	}

	eapol_hdr = (eapol_header_t *)pkt;
	eapol_type = eapol_hdr->type;

	peer_mac = tx_packet ? eapol_hdr->eth.ether_dhost :
			eapol_hdr->eth.ether_shost;
	/*
	 * The implementation assumes only one WPS session would be active
	 * per interface at a time. Even for hostap, the wps_pin session
	 * is limited to one enrollee/client at a time. A session is marked
	 * started on WSC_START and gets cleared from below contexts
	 * a) Deauth/link down before reaching EAP-FAIL state. (Fail case)
	 * b) Link up following EAP-FAIL. (success case)
	 * c) Link up timeout after EAP-FAIL. (Fail case)
	 */

	if (eapol_type == EAP_PACKET) {
		wl_eap_header_t *eap;

		if (len > sizeof(*eap)) {
			eap = (wl_eap_header_t *)(pkt + ETHER_HDR_LEN + EAPOL_HDR_LEN);
			if (eap->type == EAP_EXPANDED_TYPE) {
				wl_eap_exp_t *exp = (wl_eap_exp_t *)eap->data;
				if (eap->length > EAP_EXP_HDR_MIN_LENGTH) {
					/* opcode is at fixed offset */
					u8 opcode = exp->opcode;
					u16 eap_len = ntoh16(eap->length);

					WL_DBG(("[%s][WPS] EAP EXPANDED packet. opcode:%x len:%d\n",
						ndev->name, opcode, eap_len));
					if (opcode == EAP_WSC_MSG) {
						const u8 *msg;
						const u8* parse_buf = exp->data;
						/* Check if recvd pkt is fragmented */
						if ((!tx_packet) &&
							(exp->flags &
							EAP_EXP_FLAGS_FRAGMENTED_DATA)) {
							if ((eap_len - EAP_EXP_ATTRIB_DATA_OFFSET)
							> 2) {
								parse_buf +=
								EAP_EXP_FRAGMENT_LEN_OFFSET;
								eap_len -=
								EAP_EXP_FRAGMENT_LEN_OFFSET;
								WL_DBG(("Rcvd EAP"
								" fragmented pkt\n"));
							} else {
								/* If recvd pkt is fragmented
								* and does not have
								* length field drop the packet.
								*/
								return;
							}
						}

						msg = wl_find_attribute(parse_buf,
							(eap_len - EAP_EXP_ATTRIB_DATA_OFFSET),
							EAP_ATTRIB_MSGTYPE);
						if (unlikely(!msg)) {
							WL_ERR(("[WPS] ATTRIB MSG not found!\n"));
						} else if ((*msg == EAP_WSC_MSG_M8) &&
								!tx_packet) {
							WL_INFORM_MEM(("[%s][WPS] M8\n",
								ndev->name));
							wl_wps_session_update(ndev,
								WPS_STATE_M8_RECVD, peer_mac);
						} else if ((*msg == EAP_WSC_MSG_M8) &&
								tx_packet) {
							WL_INFORM_MEM(("[%s][WPS] M8 Sent\n",
								ndev->name));
							wl_wps_session_update(ndev,
								WPS_STATE_M8_SENT, peer_mac);
						} else {
							WL_DBG(("[%s][WPS] EAP WSC MSG: 0x%X\n",
								ndev->name, *msg));
						}
					} else if (opcode == EAP_WSC_START) {
						/* WSC session started. WSC_START - Tx from GO/AP.
						 * Session will be deleted on successful link up or
						 * on failure (deauth context)
						 */
						mode = tx_packet ? WL_MODE_AP : WL_MODE_BSS;
						wl_wps_session_add(ndev, mode, peer_mac);
						WL_INFORM_MEM(("[%s][WPS] WSC_START Mode:%d\n",
							ndev->name, mode));
					} else if (opcode == EAP_WSC_DONE) {
						/* WSC session done. TX on STA/GC. RX on GO/AP
						 * On devices where config file save fails, it may
						 * return WPS_NAK with config_error:0. But the
						 * connection would still proceed. Hence don't let
						 * state machine depend on WSC DONE.
						 */
						WL_INFORM_MEM(("[%s][WPS] WSC_DONE\n", ndev->name));
					}
				}
			}

			if (eap->code == EAP_CODE_FAILURE) {
				/* EAP_FAIL */
				WL_INFORM_MEM(("[%s][WPS] EAP_FAIL\n", ndev->name));
				wl_wps_session_update(ndev,
					WPS_STATE_EAP_FAIL, peer_mac);
			}
		}
	}
}
#endif /* WL_WPS_SYNC */

s32
wl_cfg80211_sup_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *event, void *data)
{
	int err = BCME_OK;
	u32 status = ntoh32(event->status);
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	u32 reason = ntoh32(event->reason);

	if (!wl_get_drv_status(cfg, CFG80211_CONNECT, ndev)) {
		/* Join attempt via non-cfg80211 interface.
		 * Don't send resultant events to cfg80211
		 * layer
		 */
		WL_INFORM_MEM(("Event received in non-cfg80211"
			" connect state. Ignore\n"));
		return BCME_OK;
	}

	if ((status == WLC_SUP_KEYED || status == WLC_SUP_KEYXCHANGE_WAIT_G1) &&
	    reason == WLC_E_SUP_OTHER) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
		/* NL80211_CMD_PORT_AUTHORIZED supported above >= 4.15 */
		cfg80211_port_authorized(ndev, (u8 *)wl_read_prof(cfg, ndev, WL_PROF_BSSID),
			GFP_KERNEL);
		WL_INFORM_MEM(("4way HS finished. port authorized event sent\n"));
#elif ((LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || \
	defined(WL_VENDOR_EXT_SUPPORT))
		err = wl_cfgvendor_send_async_event(bcmcfg_to_wiphy(cfg), ndev,
			BRCM_VENDOR_EVENT_PORT_AUTHORIZED, NULL, 0);
		WL_INFORM_MEM(("4way HS finished. port authorized event sent\n"));
#else
		/* not supported in kernel <= 3,14,0 */
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0) */
	} else if (status < WLC_SUP_KEYXCHANGE_WAIT_G1 && (reason != WLC_E_SUP_OTHER &&
		reason != WLC_E_SUP_PTK_UPDATE)) {
		/* if any failure seen while 4way HS, should send NL80211_CMD_DISCONNECT */
		WL_ERR(("4way HS error. status:%d, reason:%d\n", status, reason));
		CFG80211_DISCONNECTED(ndev, 0, NULL, 0, false, GFP_KERNEL);
	}

	return err;
}

#ifdef WL_BCNRECV
static s32
wl_bcnrecv_aborted_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data)
{
	s32 status = ntoh32(e->status);
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
	/* Abort fakeapscan, when Roam is in progress */
	if (status == WLC_E_STATUS_RXBCN_ABORT) {
		wl_android_bcnrecv_stop(ndev, WL_BCNRECV_ROAMABORT);
	} else {
		WL_ERR(("UNKNOWN STATUS. status:%d\n", status));
	}
	return BCME_OK;
}
#endif /* WL_BCNRECV */

#ifdef WL_MBO
static s32
wl_mbo_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	s32 err = 0;
	wl_event_mbo_t *mbo_evt = (wl_event_mbo_t *)data;
	wl_event_mbo_cell_nw_switch_t *cell_sw_evt = NULL;
	wl_btm_event_type_data_t *evt_data = NULL;

	WL_INFORM(("MBO: Evt %u\n", mbo_evt->type));

	if (mbo_evt->type == WL_MBO_E_CELLULAR_NW_SWITCH) {
		cell_sw_evt = (wl_event_mbo_cell_nw_switch_t *)mbo_evt->data;
		BCM_REFERENCE(cell_sw_evt);
		SUPP_EVENT(("CTRL-EVENT-CELLULAR-SWITCH", "reason %d cur_assoc_time_left %u "
			"reassoc_delay %u\n", cell_sw_evt->reason,
			cell_sw_evt->assoc_time_remain, cell_sw_evt->reassoc_delay));
	} else if (mbo_evt->type == WL_MBO_E_BTM_RCVD) {
		evt_data = (wl_btm_event_type_data_t *)mbo_evt->data;
		if (evt_data->version != WL_BTM_EVENT_DATA_VER_1) {
			WL_ERR(("version mismatch. rcvd %u expected %u\n",
				evt_data->version, WL_BTM_EVENT_DATA_VER_1));
				return -1;
		}
		SUPP_EVENT(("CTRL-EVENT-BRCM-BTM-REQ-RCVD", "reason=%u\n",
			evt_data->transition_reason));
	} else {
		WL_INFORM(("UNKNOWN EVENT. type:%u\n", mbo_evt->type));
	}
	return err;
}
#endif /* WL_MBO */

#ifdef WL_CAC_TS
static s32
wl_cfg80211_cac_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data)
{
	u32 event = ntoh32(e->event_type);
	s32 status = ntoh32(e->status);
	s32 reason = ntoh32(e->reason);

	BCM_REFERENCE(reason);

	if (event == WLC_E_ADDTS_IND) {
		/* The supp log format of adding ts_delay in success case needs to be maintained */
		if (status == WLC_E_STATUS_SUCCESS) {
			uint *ts_delay = (uint *)data;
			BCM_REFERENCE(ts_delay);
			SUPP_EVENT(("CTRL-EVENT-CAC-ADDTS", "status=%d reason=%d ts_delay=%u\n",
				status, reason, *ts_delay));
		} else {
			SUPP_EVENT(("CTRL-EVENT-CAC-ADDTS", "status=%d reason=%d\n",
				status, reason));
		}
	} else if (event == WLC_E_DELTS_IND) {
		SUPP_EVENT(("CTRL-EVENT-CAC-DELTS", "status=%d reason=%d\n", status, reason));
	}

	return BCME_OK;
}
#endif /* WL_CAC_TS */

#if defined(WL_MBO) || defined(WL_OCE)
static s32
wl_bssid_prune_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
	const wl_event_msg_t *e, void *data)
{
	s32 err = 0;
	uint reason = 0;
	wl_bssid_pruned_evt_info_t *evt_info = (wl_bssid_pruned_evt_info_t *)data;

	if (evt_info->version == WL_BSSID_PRUNE_EVT_VER_1) {
		if (evt_info->reason == WLC_E_PRUNE_ASSOC_RETRY_DELAY) {
			/* MBO assoc retry delay */
			reason = WIFI_PRUNE_ASSOC_RETRY_DELAY;
			SUPP_EVENT(("CTRL-EVENT-BRCM-BSSID-PRUNED", "ssid=%s bssid=" MACF
				" reason=%u timeout_val=%u(ms)\n", evt_info->SSID,
				ETHER_TO_MACF(evt_info->BSSID),	reason, evt_info->time_remaining));
		} else if (evt_info->reason == WLC_E_PRUNE_RSSI_ASSOC_REJ) {
			/* OCE RSSI-based assoc rejection */
			reason = WIFI_PRUNE_RSSI_ASSOC_REJ;
			SUPP_EVENT(("CTRL-EVENT-BRCM-BSSID-PRUNED", "ssid=%s bssid=" MACF
				" reason=%u timeout_val=%u(ms) rssi_threshold=%d(dBm)\n",
				evt_info->SSID, ETHER_TO_MACF(evt_info->BSSID),
				reason, evt_info->time_remaining, evt_info->rssi_threshold));
		} else {
			/* Invalid other than the assoc retry delay/RSSI assoc rejection
			 * in the current handler
			 */
			BCM_REFERENCE(reason);
			WL_INFORM(("INVALID. reason:%u\n", evt_info->reason));
		}
	} else {
		WL_INFORM(("version mismatch. rcvd %u expected %u\n", evt_info->version,
			WL_BSSID_PRUNE_EVT_VER_1));
	}
	return err;
}
#endif /* WL_MBO || WL_OCE */
#ifdef RTT_SUPPORT
static s32
wl_cfg80211_rtt_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data)
{
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
	wl_event_msg_t event;

	(void)memcpy_s(&event, sizeof(wl_event_msg_t),
		e, sizeof(wl_event_msg_t));
	return dhd_rtt_event_handler(dhdp, &event, data);
}
#endif /* RTT_SUPPORT */

void
wl_print_verinfo(struct bcm_cfg80211 *cfg)
{
	char *ver_ptr;
	uint32 alloc_len = MOD_PARAM_INFOLEN;

	if (!cfg) {
		WL_ERR(("cfg is NULL\n"));
		return;
	}

	ver_ptr = (char *)MALLOCZ(cfg->osh, alloc_len);
	if (!ver_ptr) {
		WL_ERR(("Failed to alloc ver_ptr\n"));
		return;
	}

	if (!dhd_os_get_version(bcmcfg_to_prmry_ndev(cfg),
		TRUE, &ver_ptr, alloc_len)) {
		WL_ERR(("DHD Version: %s\n", ver_ptr));
	}

	if (!dhd_os_get_version(bcmcfg_to_prmry_ndev(cfg),
		FALSE, &ver_ptr, alloc_len)) {
		WL_ERR(("F/W Version: %s\n", ver_ptr));
	}

	MFREE(cfg->osh, ver_ptr, alloc_len);
}
#if defined(WL_DISABLE_HE_SOFTAP) || defined(WL_DISABLE_HE_P2P)
typedef struct {
	uint16 id;
	uint16 len;
	uint32 val;
} he_xtlv_v32;

	static bool
wl_he_get_uint_cb(void *ctx, uint16 *id, uint16 *len)
{
	he_xtlv_v32 *v32 = ctx;

	*id = v32->id;
	*len = v32->len;

	return FALSE;
}

	static void
wl_he_pack_uint_cb(void *ctx, uint16 id, uint16 len, uint8 *buf)
{
	he_xtlv_v32 *v32 = ctx;

	BCM_REFERENCE(id);
	BCM_REFERENCE(len);

	v32->val = htod32(v32->val);

	switch (v32->len) {
		case sizeof(uint8):
			*buf = (uint8)v32->val;
			break;
		case sizeof(uint16):
			store16_ua(buf, (uint16)v32->val);
			break;
		case sizeof(uint32):
			store32_ua(buf, v32->val);
			break;
		default:
			/* ASSERT(0); */
			break;
	}
}

int wl_cfg80211_set_he_mode(struct net_device *dev, struct bcm_cfg80211 *cfg,
		s32 bssidx, u32 interface_type, bool set)
{
	bcm_xtlv_t read_he_xtlv;
	uint8 se_he_xtlv[32];
	int se_he_xtlv_len = sizeof(se_he_xtlv);
	he_xtlv_v32 v32;
	u32 he_feature = 0;
	s32 err = 0;
	u32 he_interface = 0;

	read_he_xtlv.id = WL_HE_CMD_FEATURES;
	read_he_xtlv.len = 0;
	err = wldev_iovar_getbuf_bsscfg(dev, "he", &read_he_xtlv, sizeof(read_he_xtlv),
			cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, NULL);
	if (err < 0) {
		if (err == BCME_UNSUPPORTED) {
			/* HE not supported. Do nothing. */
			return BCME_OK;
		}
		WL_ERR(("HE get failed. error=%d\n", err));
	} else {
		he_feature =  *(int*)cfg->ioctl_buf;
		he_feature = dtoh32(he_feature);
	}

	v32.id = WL_HE_CMD_FEATURES;
	v32.len = sizeof(s32);
	if (interface_type == WL_IF_TYPE_P2P_DISC) {
		he_interface = WL_HE_FEATURES_HE_P2P;
	} else if (interface_type == WL_IF_TYPE_AP) {
		he_interface = WL_HE_FEATURES_HE_AP;
	} else {
		WL_ERR(("HE request for Invalid interface type"));
		err = BCME_BADARG;
		return err;
	}

	if (set) {
		v32.val = (he_feature | he_interface);
	} else {
		v32.val = (he_feature & ~he_interface);
	}

	err = bcm_pack_xtlv_buf((void *)&v32, se_he_xtlv, sizeof(se_he_xtlv),
			BCM_XTLV_OPTION_ALIGN32, wl_he_get_uint_cb, wl_he_pack_uint_cb,
			&se_he_xtlv_len);
	if (err != BCME_OK) {
		WL_ERR(("failed to pack he settvl=%d\n", err));
	}

	err = wldev_iovar_setbuf_bsscfg(dev, "he", &se_he_xtlv, sizeof(se_he_xtlv),
			cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync);
	if (err < 0) {
		WL_ERR(("failed to set he features, error=%d\n", err));
	}
	WL_INFORM(("Set HE[%d] done\n", set));

	return err;
}
#endif /* WL_DISABLE_HE_SOFTAP || WL_DISABLE_HE_P2P */

/* Get the concurrency mode */
int wl_cfg80211_get_concurrency_mode(struct bcm_cfg80211 *cfg)
{
	struct net_info *iter, *next;
	uint cmode = CONCURRENCY_MODE_NONE;
	u32 connected_cnt = 0;
	u32 pre_channel = 0, channel = 0;
	u32 pre_band = 0;
	u32 chanspec = 0;
	u32 band = 0;

	connected_cnt = wl_get_drv_status_all(cfg, CONNECTED);
	if (connected_cnt <= 1) {
		return cmode;
	}
	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		if (iter->ndev) {
			if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) {
				if (wldev_iovar_getint(iter->ndev, "chanspec",
					(s32 *)&chanspec) == BCME_OK) {
					channel = wf_chspec_ctlchan(
						wl_chspec_driver_to_host(chanspec));
					band = (channel <= CH_MAX_2G_CHANNEL) ?
						IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
				}
				if ((!pre_channel && channel)) {
					pre_band = band;
					pre_channel = channel;
				} else if (pre_channel) {
					if ((pre_band == band) && (pre_channel == channel)) {
						cmode = CONCURRENCY_SCC_MODE;
						goto exit;
					} else if ((pre_band == band) && (pre_channel != channel)) {
						cmode = CONCURRENCY_VSDB_MODE;
						goto exit;
					} else if (pre_band != band) {
						cmode = CONCURRENCY_RSDB_MODE;
						goto exit;
					}
				}
			}
		}
	}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
	4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
exit:
	return cmode;
}
#ifdef WL_CHAN_UTIL
static s32
wl_cfg80211_bssload_report_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
		const wl_event_msg_t *e, void *data)
{
	s32 err = BCME_OK;
	struct sk_buff *skb = NULL;
	s32 status = ntoh32(e->status);
	u8 chan_use_percentage = 0;
#if (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || \
	LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
	struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
#endif /* (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || */
			/* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
	uint len;
	gfp_t kflags;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	len = CU_ATTR_HDR_LEN + sizeof(u8);
	kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */

#if (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || \
	LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
	skb = cfg80211_vendor_event_alloc(wiphy, ndev_to_wdev(ndev), len,
		BRCM_VENDOR_EVENT_CU, kflags);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	skb = cfg80211_vendor_event_alloc(wiphy, len, BRCM_VENDOR_EVENT_CU, kflags);
#else
	/* No support exist */
#endif /* (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || */
		/* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) */
	if (!skb) {
		WL_ERR(("skb alloc failed"));
		return -ENOMEM;
	}

	if ((status == WLC_E_STATUS_SUCCESS) && data) {
		wl_bssload_t *bssload_report = (wl_bssload_t *)data;
		chan_use_percentage = (bssload_report->chan_util * 100) / 255;
		WL_DBG(("ChannelUtilization=%hhu\n", chan_use_percentage));
		err = nla_put_u8(skb, CU_ATTR_PERCENTAGE, chan_use_percentage);
		if (err < 0) {
			WL_ERR(("Failed to put CU_ATTR_PERCENTAGE, err:%d\n", err));
		}
	}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	cfg80211_vendor_event(skb, kflags);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */

	return err;
}

#define WL_CHAN_UTIL_DEFAULT_INTERVAL	3000
#define WL_CHAN_UTIL_THRESH_MIN		15
#define WL_CHAN_UTIL_THRESH_INTERVAL	10
#ifndef CUSTOM_CU_INTERVAL
#define CUSTOM_CU_INTERVAL WL_CHAN_UTIL_DEFAULT_INTERVAL
#endif /* CUSTOM_CU_INTERVAL */

static s32
wl_cfg80211_start_bssload_report(struct net_device *ndev)
{
	s32 err = BCME_OK;
	wl_bssload_cfg_t blcfg;
	u8 i;
	struct bcm_cfg80211 *cfg;

	if (!ndev) {
		return -ENODEV;
	}

	cfg = wl_get_cfg(ndev);
	if (!cfg) {
		return -ENODEV;
	}

	/* Typecasting to void as the buffer size is same as the memset size */
	(void)memset_s(&blcfg, sizeof(wl_bssload_cfg_t), 0, sizeof(wl_bssload_cfg_t));
	/* Set default report interval 3 sec and 8 threshhold levels between 15 to 85% */
	blcfg.rate_limit_msec = CUSTOM_CU_INTERVAL;
	blcfg.num_util_levels = MAX_BSSLOAD_LEVELS;
	for (i = 0; i < MAX_BSSLOAD_LEVELS; i++) {
		blcfg.util_levels[i] = (((WL_CHAN_UTIL_THRESH_MIN +
			(i * WL_CHAN_UTIL_THRESH_INTERVAL)) * 255) / 100);
	}

	err = wldev_iovar_setbuf(ndev, "bssload_report_event", &blcfg,
		sizeof(wl_bssload_cfg_t), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
	if (unlikely(err)) {
		WL_ERR(("Set event_msgs error (%d)\n", err));
	}

	return err;
}
#endif /* WL_CHAN_UTIL */

s32
wl_cfg80211_config_suspend_events(struct net_device *ndev, bool enable)
{
	s8 iovbuf[WL_EVENTING_MASK_LEN + 12];
	s8 eventmask[WL_EVENTING_MASK_LEN];
	s32 err = 0;
	struct bcm_cfg80211 *cfg;

	if (!ndev) {
		return -ENODEV;
	}

	cfg = wl_get_cfg(ndev);
	if (!cfg) {
		return -ENODEV;
	}

	mutex_lock(&cfg->event_sync);
	err = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL);
	if (unlikely(err)) {
		WL_ERR(("Get event_msgs error (%d)\n", err));
		goto eventmsg_out;
	}

	(void)memcpy_s(eventmask, WL_EVENTING_MASK_LEN, iovbuf, WL_EVENTING_MASK_LEN);
	/* Add set/clear of event mask under feature specific flags */
	if (enable) {
		WL_DBG(("%s: Enabling events on resume\n", __FUNCTION__));
#ifdef WL_CHAN_UTIL
		setbit(eventmask, WLC_E_BSS_LOAD);
#endif /* WL_CHAN_UTIL */
	} else {
		WL_DBG(("%s: Disabling events before suspend\n", __FUNCTION__));
#ifdef WL_CHAN_UTIL
		clrbit(eventmask, WLC_E_BSS_LOAD);
#endif /* WL_CHAN_UTIL */
	}

	err = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf,
			sizeof(iovbuf), NULL);
	if (unlikely(err)) {
		WL_ERR(("Set event_msgs error (%d)\n", err));
		goto eventmsg_out;
	}

eventmsg_out:
	mutex_unlock(&cfg->event_sync);
	return err;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
int
wl_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
	struct cfg80211_csa_settings *params)
{
	s32 err = BCME_OK;
	s32 chan = 0;
	u32 band = 0;
	u32 bw = WL_CHANSPEC_BW_20;
	chanspec_t chspec = 0;
	wl_chan_switch_t csa_arg;
	struct cfg80211_chan_def *chandef = &params->chandef;
	struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
	struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg);

	dev = ndev_to_wlc_ndev(dev, cfg);
	chan = ieee80211_frequency_to_channel(chandef->chan->center_freq);
	band = chandef->chan->band;

	WL_ERR(("netdev_ifidx(%d), target channel(%d) target bandwidth(%d),"
		" mode(%d), count(%d)\n", dev->ifindex, chan, chandef->width,
		params->block_tx, params->count));

	if (wl_get_mode_by_netdev(cfg, dev) != WL_MODE_AP) {
		WL_ERR(("Channel Switch doesn't support on "
			"the non-SoftAP mode\n"));
		return -EINVAL;
	}

	/* Check if STA is trying to associate with an AP */
	if (wl_get_drv_status(cfg, CONNECTING, primary_dev)) {
		WL_ERR(("Connecting is in progress\n"));
		return BCME_BUSY;
	}

	if (chan == cfg->ap_oper_channel) {
		WL_ERR(("Channel %d is same as current operating channel,"
			" so skip\n", chan));
		return BCME_OK;
	}

	if (band == IEEE80211_BAND_5GHZ) {
#ifdef APSTA_RESTRICTED_CHANNEL
		if (chan != DEFAULT_5G_SOFTAP_CHANNEL) {
			WL_ERR(("Invalid 5G Channel, chan=%d\n", chan));
			return -EINVAL;
		}
#endif /* APSTA_RESTRICTED_CHANNEL */
		err = wl_get_bandwidth_cap(primary_dev, band, &bw);
		if (err < 0) {
			WL_ERR(("Failed to get bandwidth information,"
				" err=%d\n", err));
			return err;
		}
	} else if (band == IEEE80211_BAND_2GHZ) {
#ifdef APSTA_RESTRICTED_CHANNEL
		dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
		u32 *sta_chan = (u32 *)wl_read_prof(cfg,
			primary_dev, WL_PROF_CHAN);

		/* In 2GHz STA/SoftAP concurrent mode, the operating channel
		 * of STA and SoftAP should be confgiured to the same 2GHz
		 * channel. Otherwise, it is an invalid configuration.
		 */
		if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhdp) &&
			wl_get_drv_status(cfg, CONNECTED, primary_dev) &&
			sta_chan && (*sta_chan != chan)) {
			WL_ERR(("Invalid 2G Channel in case of STA/SoftAP"
				" concurrent mode, sta_chan=%d, chan=%d\n",
				*sta_chan, chan));
			return -EINVAL;
		}
#endif /* APSTA_RESTRICTED_CHANNEL */
		bw = WL_CHANSPEC_BW_20;
	} else {
		WL_ERR(("invalid band (%d)\n", band));
		return -EINVAL;
	}

	chspec = wf_channel2chspec(chan, bw);
	if (!wf_chspec_valid(chspec)) {
		WL_ERR(("Invalid chanspec 0x%x\n", chspec));
		return -EINVAL;
	}

	/* Send CSA to associated STAs */
	memset(&csa_arg, 0, sizeof(wl_chan_switch_t));
	csa_arg.mode = params->block_tx;
	csa_arg.count = params->count;
	csa_arg.chspec = chspec;
	csa_arg.frame_type = CSA_BROADCAST_ACTION_FRAME;
	csa_arg.reg = 0;

	err = wldev_iovar_setbuf(dev, "csa", &csa_arg, sizeof(wl_chan_switch_t),
		cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
	if (err < 0) {
		WL_ERR(("Failed to switch channel, err=%d\n", err));
	}

	return err;
}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) */

#ifdef WL_WIPSEVT
int
wl_cfg80211_wips_event_ext(wl_wips_event_info_t *wips_event)
{
	s32 err = BCME_OK;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
	struct sk_buff *skb;
	gfp_t kflags;
	struct bcm_cfg80211 *cfg;
	struct net_device *ndev;
	struct wiphy *wiphy;

	cfg = wl_cfg80211_get_bcmcfg();
	if (!cfg || !cfg->wdev) {
		WL_ERR(("WIPS evt invalid arg\n"));
		return err;
	}

	ndev = bcmcfg_to_prmry_ndev(cfg);
	wiphy = bcmcfg_to_wiphy(cfg);

	kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
	skb = CFG80211_VENDOR_EVENT_ALLOC(wiphy, ndev_to_wdev(ndev),
		BRCM_VENDOR_WIPS_EVENT_BUF_LEN, BRCM_VENDOR_EVENT_WIPS, kflags);

	if (!skb) {
		WL_ERR(("skb alloc failed"));
		return BCME_NOMEM;
	}

	err = nla_put_u16(skb, WIPS_ATTR_DEAUTH_CNT, wips_event->misdeauth);
	if (unlikely(err)) {
		WL_ERR(("nla_put_u16 WIPS_ATTR_DEAUTH_CNT failed\n"));
		goto fail;
	}
	err = nla_put(skb, WIPS_ATTR_DEAUTH_BSSID, ETHER_ADDR_LEN, &wips_event->bssid);
	if (unlikely(err)) {
		WL_ERR(("nla_put WIPS_ATTR_DEAUTH_BSSID failed\n"));
		goto fail;
	}
	err = nla_put_s16(skb, WIPS_ATTR_CURRENT_RSSI, wips_event->current_RSSI);
	if (unlikely(err)) {
		WL_ERR(("nla_put_u16 WIPS_ATTR_CURRENT_RSSI failed\n"));
		goto fail;
	}
	err = nla_put_s16(skb, WIPS_ATTR_DEAUTH_RSSI, wips_event->deauth_RSSI);
	if (unlikely(err)) {
		WL_ERR(("nla_put_u16 WIPS_ATTR_DEAUTH_RSSI failed\n"));
		goto fail;
	}
	cfg80211_vendor_event(skb, kflags);

	return err;

fail:
	if (skb) {
		nlmsg_free(skb);
	}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */
	return err;
}

int
wl_cfg80211_wips_event(uint16 misdeauth, char* bssid)
{
	s32 err = BCME_OK;
	wl_wips_event_info_t wips_event;

	wips_event.misdeauth = misdeauth;
	memcpy(&wips_event.bssid, bssid, ETHER_ADDR_LEN);
	wips_event.current_RSSI = 0;
	wips_event.deauth_RSSI = 0;

	err = wl_cfg80211_wips_event_ext(&wips_event);
	return err;
}
#endif /* WL_WIPSEVT */

bool wl_cfg80211_check_in_progress(struct net_device *dev)
{
	/* TODO: Check for cfg status like scan in progress,
	 * four way handshake, etc before entering Deep Sleep.
	 */
	return TRUE;
}

#ifdef SUPPORT_AP_SUSPEND
void
wl_set_ap_suspend_error_handler(struct net_device *ndev, bool suspend)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);

	if (wl_get_drv_status(cfg, READY, ndev)) {
		/* IF dongle is down due to previous hang or other conditions, sending
		* one more hang notification is not needed.
		*/
		if (dhd_query_bus_erros(dhdp)) {
			return;
		}
		dhdp->iface_op_failed = TRUE;
#if defined(DHD_FW_COREDUMP)
		if (dhdp->memdump_enabled) {
			dhdp->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE;
			dhd_bus_mem_dump(dhdp);
		}
#endif /* DHD_FW_COREDUMP */
		WL_ERR(("Notify hang event to upper layer \n"));
		dhdp->hang_reason = suspend ?
			HANG_REASON_BSS_DOWN_FAILURE : HANG_REASON_BSS_UP_FAILURE;
		net_os_send_hang_message(ndev);
	}
}

#define MAX_AP_RESUME_TIME   5000
int
wl_set_ap_suspend(struct net_device *dev, bool suspend, char *ifname)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	struct net_device *ndev = NULL;
	int ret = BCME_OK;
	bool is_bssup = FALSE;
	int bssidx;
	unsigned long start_j;
	int time_to_sleep = MAX_AP_RESUME_TIME;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (!dhdp) {
		return BCME_NOTUP;
	}

	if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		return BCME_NOTAP;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		return BCME_NOTAP;
	}

	if ((bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr)) < 0) {
		WL_ERR(("Find p2p index from wdev(%p) failed\n", ndev->ieee80211_ptr));
		return BCME_NOTFOUND;
	}

	is_bssup = wl_cfg80211_bss_isup(ndev, bssidx);
	if (is_bssup && suspend) {
		wl_clr_drv_status(cfg, AP_CREATED, ndev);
		wl_clr_drv_status(cfg, CONNECTED, ndev);

		if ((ret = wl_cfg80211_bss_up(cfg, ndev, bssidx, 0)) < 0) {
			WL_ERR(("AP suspend error %d, suspend %d\n", ret, suspend));
			ret = BCME_NOTDOWN;
			goto exit;
		}
	} else if (!is_bssup && !suspend) {
		/* Abort scan before starting AP again */
		wl_cfg80211_scan_abort(cfg);

		if ((ret = wl_cfg80211_bss_up(cfg, ndev, bssidx, 1)) < 0) {
			WL_ERR(("AP resume error %d, suspend %d\n", ret, suspend));
			ret = BCME_NOTUP;
			goto exit;
		}

		while (TRUE) {
			start_j = get_jiffies_64();
			/* Wait for Linkup event to mark successful AP bring up */
			ret = wait_event_interruptible_timeout(cfg->netif_change_event,
				wl_get_drv_status(cfg, AP_CREATED, ndev),
				msecs_to_jiffies(time_to_sleep));
			if (ret == -ERESTARTSYS) {
				WL_ERR(("waitqueue was interrupted by a signal\n"));
				time_to_sleep -= jiffies_to_msecs(get_jiffies_64() - start_j);
				if (time_to_sleep <= 0) {
					WL_ERR(("time to sleep hits 0\n"));
					ret = BCME_NOTUP;
					goto exit;
				}
			} else if (ret == 0 || !wl_get_drv_status(cfg, AP_CREATED, ndev)) {
				WL_ERR(("AP resume failed!\n"));
				ret = BCME_NOTUP;
				goto exit;
			} else {
				wl_set_drv_status(cfg, CONNECTED, ndev);
				ret = BCME_OK;
				break;
			}
		}
	} else {
		/* bssup + resume or bssdown + suspend,
		 * So, returns OK
		 */
		ret = BCME_OK;
	}
exit:
	if (ret != BCME_OK)
		wl_set_ap_suspend_error_handler(bcmcfg_to_prmry_ndev(cfg), suspend);

	return ret;
}
#endif /* SUPPORT_AP_SUSPEND */

#ifdef SUPPORT_SOFTAP_ELNA_BYPASS
int wl_set_softap_elna_bypass(struct net_device *dev, char *ifname, int enable)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	struct net_device *ifdev = NULL;
	char iobuf[WLC_IOCTL_SMLEN];
	int err = BCME_OK;
	int iftype = 0;

	memset(iobuf, 0, WLC_IOCTL_SMLEN);

	/* Check the interface type */
	ifdev = wl_get_netdev_by_name(cfg, ifname);
	if (ifdev == NULL) {
		WL_ERR(("%s: Could not find net_device for ifname:%s\n", __FUNCTION__, ifname));
		err = BCME_BADARG;
		goto fail;
	}

	iftype = ifdev->ieee80211_ptr->iftype;
	if (iftype == NL80211_IFTYPE_AP) {
		err = wldev_iovar_setint(ifdev, "softap_elnabypass", enable);
		if (unlikely(err)) {
			WL_ERR(("%s: Failed to set softap_elnabypass, err=%d\n",
				__FUNCTION__, err));
		}
	} else {
		WL_ERR(("%s: softap_elnabypass should control in SoftAP mode only\n",
			__FUNCTION__));
		err = BCME_BADARG;
	}
fail:
	return err;
}
int wl_get_softap_elna_bypass(struct net_device *dev, char *ifname, void *param)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	int *enable = (int*)param;
	struct net_device *ifdev = NULL;
	char iobuf[WLC_IOCTL_SMLEN];
	int err = BCME_OK;
	int iftype = 0;

	memset(iobuf, 0, WLC_IOCTL_SMLEN);

	/* Check the interface type */
	ifdev = wl_get_netdev_by_name(cfg, ifname);
	if (ifdev == NULL) {
		WL_ERR(("%s: Could not find net_device for ifname:%s\n", __FUNCTION__, ifname));
		err = BCME_BADARG;
		goto fail;
	}

	iftype = ifdev->ieee80211_ptr->iftype;
	if (iftype == NL80211_IFTYPE_AP) {
		err = wldev_iovar_getint(ifdev, "softap_elnabypass", enable);
		if (unlikely(err)) {
			WL_ERR(("%s: Failed to get softap_elnabypass, err=%d\n",
				__FUNCTION__, err));
		}
	} else {
		WL_ERR(("%s: softap_elnabypass should control in SoftAP mode only\n",
			__FUNCTION__));
		err = BCME_BADARG;
	}
fail:
	return err;

}
#endif /* SUPPORT_SOFTAP_ELNA_BYPASS */

#ifdef SUPPORT_AP_BWCTRL
#define OPER_MODE_ENABLE	(1 << 8)
static int op2bw[] = {20, 40, 80, 160};

static int
wl_get_ap_he_mode(struct net_device *ndev, struct bcm_cfg80211 *cfg, bool *he)
{
	bcm_xtlv_t read_he_xtlv;
	int ret = 0;
	u8  he_enab = 0;
	u32 he_feature = 0;
	*he = FALSE;

	/* Check he enab first */
	read_he_xtlv.id = WL_HE_CMD_ENAB;
	read_he_xtlv.len = 0;

	ret = wldev_iovar_getbuf(ndev, "he", &read_he_xtlv, sizeof(read_he_xtlv),
			cfg->ioctl_buf, WLC_IOCTL_SMLEN, NULL);
	if (ret < 0) {
		if (ret == BCME_UNSUPPORTED) {
			/* HE not supported */
			ret = BCME_OK;
		} else {
			WL_ERR(("HE ENAB get failed. ret=%d\n", ret));
		}
		goto exit;
	} else {
		he_enab =  *(u8*)cfg->ioctl_buf;
	}

	if (!he_enab) {
		goto exit;
	}

	/* Then check BIT3 of he features */
	read_he_xtlv.id = WL_HE_CMD_FEATURES;
	read_he_xtlv.len = 0;

	ret = wldev_iovar_getbuf(ndev, "he", &read_he_xtlv, sizeof(read_he_xtlv),
			cfg->ioctl_buf, WLC_IOCTL_SMLEN, NULL);
	if (ret < 0) {
		WL_ERR(("HE FEATURE get failed. error=%d\n", ret));
		goto exit;
	} else {
		he_feature =  *(int*)cfg->ioctl_buf;
		he_feature = dtoh32(he_feature);
	}

	if (he_feature & WL_HE_FEATURES_HE_AP) {
		WL_DBG(("HE is enabled in AP\n"));
		*he = TRUE;
	}
exit:
	return ret;
}

static void
wl_update_apchan_bwcap(struct bcm_cfg80211 *cfg, struct net_device *ndev, chanspec_t chanspec)
{
	struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
	struct wireless_dev *wdev = ndev_to_wdev(dev);
	struct wiphy *wiphy = wdev->wiphy;
	int ret = BCME_OK;
	u32 bw_cap;
	u32 ctl_chan;
	chanspec_t chanbw = WL_CHANSPEC_BW_20;

	/* Update channel in profile */
	ctl_chan = wf_chspec_ctlchan(chanspec);
	wl_update_prof(cfg, ndev, NULL, &ctl_chan, WL_PROF_CHAN);

	/* BW cap is only updated in 5GHz */
	if (ctl_chan <= CH_MAX_2G_CHANNEL)
		return;

	/* Get WL BW CAP */
	ret = wl_get_bandwidth_cap(bcmcfg_to_prmry_ndev(cfg),
		IEEE80211_BAND_5GHZ, &bw_cap);
	if (ret < 0) {
		WL_ERR(("get bw_cap failed = %d\n", ret));
		goto exit;
	}

	chanbw = CHSPEC_BW(channel_to_chanspec(wiphy,
		ndev, wf_chspec_ctlchan(chanspec), bw_cap));

exit:
	cfg->bw_cap_5g = bw2cap[chanbw >> WL_CHANSPEC_BW_SHIFT];
	WL_INFORM_MEM(("supported bw cap is:0x%x\n", cfg->bw_cap_5g));

}

int
wl_rxchain_to_opmode_nss(int rxchain)
{
	/*
	 * Nss 1 -> 0, Nss 2 -> 1
	 * This is from operating mode field
	 * in 8.4.1.50 of 802.11ac-2013
	 */
	/* TODO : Nss 3 ? */
	if (rxchain == 3)
		return (1 << 4);
	else
		return 0;
}

int
wl_update_opmode(struct net_device *ndev, u32 bw)
{
	int ret = BCME_OK;
	int oper_mode;
	int rxchain;

	ret = wldev_iovar_getint(ndev, "rxchain", (s32 *)&rxchain);
	if (ret < 0) {
		WL_ERR(("get rxchain failed = %d\n", ret));
		goto exit;
	}

	oper_mode = bw;
	oper_mode |= wl_rxchain_to_opmode_nss(rxchain);
	/* Enable flag */
	oper_mode |= OPER_MODE_ENABLE;

	ret = wldev_iovar_setint(ndev, "oper_mode", oper_mode);
	if (ret < 0) {
		WL_ERR(("set oper_mode failed = %d\n", ret));
		goto exit;
	}

exit:
	return ret;
}

int
wl_set_ap_bw(struct net_device *dev, u32 bw, char *ifname)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	struct net_device *ndev = NULL;
	int ret = BCME_OK;
	u32 *channel;
	bool he;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (!dhdp) {
		return BCME_NOTUP;
	}

	if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		return BCME_NOTAP;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		return BCME_NOTAP;
	}

	if (bw > DOT11_OPER_MODE_160MHZ) {
		WL_ERR(("BW is too big %d\n", bw));
		return BCME_BADARG;
	}

	channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN);
	if (*channel <= CH_MAX_2G_CHANNEL) {
		WL_ERR(("current channel is %d, not supported\n", *channel));
		ret = BCME_BADCHAN;
		goto exit;
	}

	if ((DHD_OPMODE_STA_SOFTAP_CONCURR(dhdp) &&
		wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) ||
		cfg->nan_enable) {
		WL_ERR(("BW control in concurrent mode is not supported\n"));
		return BCME_BUSY;
	}

	/* When SCAN is on going either in STA or in AP, return BUSY */
	if (wl_get_drv_status_all(cfg, SCANNING)) {
		WL_ERR(("STA is SCANNING, not support BW control\n"));
		return BCME_BUSY;
	}

	/* When SCANABORT is on going either in STA or in AP, return BUSY */
	if (wl_get_drv_status_all(cfg, SCAN_ABORTING)) {
		WL_ERR(("STA is SCAN_ABORTING, not support BW control\n"));
		return BCME_BUSY;
	}

	/* When CONNECTION is on going in STA, return BUSY */
	if (wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) {
		WL_ERR(("STA is CONNECTING, not support BW control\n"));
		return BCME_BUSY;
	}

	/* BW control in AX mode needs more verification */
	ret = wl_get_ap_he_mode(ndev, cfg, &he);
	if (ret == BCME_OK && he) {
		WL_ERR(("BW control in HE mode is not supported\n"));
		return BCME_UNSUPPORTED;
	}
	if (ret < 0) {
		WL_ERR(("Check AX mode is failed\n"));
		goto exit;
	}

	if ((!WL_BW_CAP_160MHZ(cfg->bw_cap_5g) && (bw == DOT11_OPER_MODE_160MHZ)) ||
		(!WL_BW_CAP_80MHZ(cfg->bw_cap_5g) && (bw >= DOT11_OPER_MODE_80MHZ)) ||
		(!WL_BW_CAP_40MHZ(cfg->bw_cap_5g) && (bw >= DOT11_OPER_MODE_40MHZ)) ||
		(!WL_BW_CAP_20MHZ(cfg->bw_cap_5g) && (bw >= DOT11_OPER_MODE_20MHZ))) {
		WL_ERR(("bw_cap %x does not support bw = %d\n", cfg->bw_cap_5g, bw));
		ret = BCME_BADARG;
		goto exit;
	}

	WL_DBG(("Updating AP BW to %d\n", op2bw[bw]));

	ret = wl_update_opmode(ndev, bw);
	if (ret < 0) {
		WL_ERR(("opmode set failed = %d\n", ret));
		goto exit;
	}

exit:
	return ret;
}

int
wl_get_ap_bw(struct net_device *dev, char* command, char *ifname, int total_len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	dhd_pub_t *dhdp;
	struct net_device *ndev = NULL;
	int ret = BCME_OK;
	u32 chanspec = 0;
	u32 bw = DOT11_OPER_MODE_20MHZ;
	int bytes_written = 0;

	dhdp = (dhd_pub_t *)(cfg->pub);

	if (!dhdp) {
		return BCME_NOTUP;
	}

	if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
		WL_ERR(("Not Hostapd mode\n"));
		return BCME_NOTAP;
	}

	ndev = wl_get_ap_netdev(cfg, ifname);

	if (ndev == NULL) {
		WL_ERR(("No softAP interface named %s\n", ifname));
		return BCME_NOTAP;
	}

	ret = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec);
	if (ret < 0) {
		WL_ERR(("get chanspec from AP failed = %d\n", ret));
		goto exit;
	}

	chanspec = wl_chspec_driver_to_host(chanspec);

	if (CHSPEC_IS20(chanspec)) {
		bw = DOT11_OPER_MODE_20MHZ;
	} else if (CHSPEC_IS40(chanspec)) {
		bw = DOT11_OPER_MODE_40MHZ;
	} else if (CHSPEC_IS80(chanspec)) {
		bw = DOT11_OPER_MODE_80MHZ;
	} else if (CHSPEC_IS_BW_160_WIDE(chanspec)) {
		bw = DOT11_OPER_MODE_160MHZ;
	} else {
		WL_ERR(("chanspec error %x\n", chanspec));
		ret = BCME_BADCHAN;
		goto exit;
	}

	bytes_written += snprintf(command + bytes_written, total_len,
		"bw=%d", bw);
	ret = bytes_written;
exit:
	return ret;
}

static void
wl_restore_ap_bw(struct bcm_cfg80211 *cfg)
{
	int ret = BCME_OK;
	u32 bw;
	bool he = FALSE;
	struct net_info *iter, *next;
	struct net_device *ndev = NULL;
	u32 *channel;

	if (!cfg) {
		return;
	}

	GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
	for_each_ndev(cfg, iter, next) {
		GCC_DIAGNOSTIC_POP();
		if (iter->ndev) {
			if (iter->ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
				channel = (u32 *)wl_read_prof(cfg, iter->ndev, WL_PROF_CHAN);
				if (*channel > CH_MAX_2G_CHANNEL) {
					ndev = iter->ndev;
					break;
				}
			}
		}
	}

	if (!ndev) {
		return;
	}

	/* BW control in AX mode not allowed */
	ret = wl_get_ap_he_mode(bcmcfg_to_prmry_ndev(cfg), cfg, &he);
	if (ret == BCME_OK && he) {
		return;
	}
	if (ret < 0) {
		WL_ERR(("Check AX mode is failed\n"));
		return;
	}

	if (WL_BW_CAP_160MHZ(cfg->bw_cap_5g)) {
		bw = DOT11_OPER_MODE_160MHZ;
	} else if (WL_BW_CAP_80MHZ(cfg->bw_cap_5g)) {
		bw = DOT11_OPER_MODE_80MHZ;
	} else if (WL_BW_CAP_40MHZ(cfg->bw_cap_5g)) {
		bw = DOT11_OPER_MODE_40MHZ;
	} else {
		return;
	}

	WL_DBG(("Restoring AP BW to %d\n", op2bw[bw]));

	ret = wl_update_opmode(ndev, bw);
	if (ret < 0) {
		WL_ERR(("bw restore failed = %d\n", ret));
		return;
	}
}
#endif /* SUPPORT_AP_BWCTRL */

s32
wl_cfg80211_autochannel(struct net_device *dev, char* command, int total_len)
{
	struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
	int ret = 0;
	int bytes_written = -1;

	sscanf(command, "%*s %d", &cfg->autochannel);

	if (cfg->autochannel == 0) {
		cfg->best_2g_ch = 0;
		cfg->best_5g_ch = 0;
	} else if (cfg->autochannel == 2) {
		bytes_written = snprintf(command, total_len, "2g=%d 5g=%d",
			cfg->best_2g_ch, cfg->best_5g_ch);
		WL_TRACE(("%s: command result is %s\n", __FUNCTION__, command));
		ret = bytes_written;
	}

	return ret;
}

int
wl_cfg80211_check_in4way(struct bcm_cfg80211 *cfg,
	struct net_device *dev, uint action, enum wl_ext_status status, void *context)
{
	dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
	struct wl_security *sec;
	s32 bssidx = -1;
	int ret = 0, cur_eapol_status, ifidx;
	int max_wait_time, max_wait_cnt;
	int suppressed = 0;

	mutex_lock(&cfg->in4way_sync);
	action = action & dhdp->conf->in4way;
	WL_DBG(("status=%d, action=0x%x, in4way=0x%x\n", status, action, dhdp->conf->in4way));

	cur_eapol_status = dhdp->conf->eapol_status;
	switch (status) {
		case WL_EXT_STATUS_SCAN:
			wldev_ioctl(dev, WLC_GET_SCANSUPPRESS, &suppressed, sizeof(int), false);
			if (suppressed) {
				WL_ERR(("scan suppressed\n"));
				ret = -EBUSY;
				break;
			}
			if (action & NO_SCAN_IN4WAY) {
				if (cfg->handshaking > 0 && cfg->handshaking <= 3) {
					WL_ERR(("return -EBUSY cnt %d\n", cfg->handshaking));
					cfg->handshaking++;
					ret = -EBUSY;
					break;
				}
			}
			break;
 		case WL_EXT_STATUS_DISCONNECTING:
			if (cur_eapol_status >= EAPOL_STATUS_4WAY_START &&
					cur_eapol_status < EAPOL_STATUS_4WAY_DONE) {
				WL_ERR(("WPA failed at %d\n", cur_eapol_status));
				dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
			} else if (cur_eapol_status >= EAPOL_STATUS_WSC_START &&
					cur_eapol_status < EAPOL_STATUS_WSC_DONE) {
				WL_ERR(("WPS failed at %d\n", cur_eapol_status));
				dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
			}
			if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
				if (cfg->handshaking) {
					if ((action & NO_BTC_IN4WAY) && cfg->btc_mode) {
						WL_TRACE(("status=%d, restore btc_mode %d\n",
							status, cfg->btc_mode));
						wldev_iovar_setint(dev, "btc_mode", cfg->btc_mode);
					}
					cfg->handshaking = 0;
				}
			}
			if (action & WAIT_DISCONNECTED) {
				max_wait_time = 200;
				max_wait_cnt = 20;
				cfg->disconnected_jiffies = jiffies;
				while (!time_after(jiffies,
						cfg->disconnected_jiffies + msecs_to_jiffies(max_wait_time)) &&
						max_wait_cnt) {
					WL_TRACE(("status=%d, max_wait_cnt=%d waiting...\n",
						status, max_wait_cnt));
					mutex_unlock(&cfg->in4way_sync);
					OSL_SLEEP(50);
					mutex_lock(&cfg->in4way_sync);
					max_wait_cnt--;
				}
			}
			break;
		case WL_EXT_STATUS_CONNECTING:
			if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
				bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr);
				sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
				if ((sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) &&
						bssidx == 0) {
					dhdp->conf->eapol_status = EAPOL_STATUS_4WAY_START;
					cfg->handshaking = 1;
					if (action & NO_BTC_IN4WAY) {
						ret = wldev_iovar_getint(dev, "btc_mode", &cfg->btc_mode);
						if (!ret && cfg->btc_mode) {
							WL_TRACE(("status=%d, disable current btc_mode %d\n",
								status, cfg->btc_mode));
							wldev_iovar_setint(dev, "btc_mode", 0);
						}
					}
				}
			}
			if (action & WAIT_DISCONNECTED) {
				max_wait_time = 200;
				max_wait_cnt = 10;
				while (!time_after(jiffies,
						cfg->disconnected_jiffies + msecs_to_jiffies(max_wait_time)) &&
						max_wait_cnt) {
					WL_TRACE(("status=%d, max_wait_cnt=%d waiting...\n",
						status, max_wait_cnt));
					mutex_unlock(&cfg->in4way_sync);
					OSL_SLEEP(50);
					mutex_lock(&cfg->in4way_sync);
					max_wait_cnt--;
				}
			}
			break;
		case WL_EXT_STATUS_CONNECTED:
			ifidx = dhd_net2idx(dhdp->info, dev);
			if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION && ifidx >= 0) {
				dhd_conf_set_wme(cfg->pub, ifidx, 0);
			}
			else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) {
				dhd_conf_set_mchan_bw(cfg->pub, WL_P2P_IF_CLIENT, -1);
			}
			break;
		case WL_EXT_STATUS_DISCONNECTED:
			if (cur_eapol_status >= EAPOL_STATUS_4WAY_START &&
					cur_eapol_status < EAPOL_STATUS_4WAY_DONE) {
				WL_ERR(("WPA failed at %d\n", cur_eapol_status));
				dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
			} else if (cur_eapol_status >= EAPOL_STATUS_WSC_START &&
					cur_eapol_status < EAPOL_STATUS_WSC_DONE) {
				WL_ERR(("WPS failed at %d\n", cur_eapol_status));
				dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
			}
			if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
				if (cfg->handshaking) {
					if ((action & NO_BTC_IN4WAY) && cfg->btc_mode) {
						WL_TRACE(("status=%d, restore btc_mode %d\n",
							status, cfg->btc_mode));
						wldev_iovar_setint(dev, "btc_mode", cfg->btc_mode);
					}
					cfg->handshaking = 0;
				}
			}
			if (action & WAIT_DISCONNECTED) {
				cfg->disconnected_jiffies = jiffies;
			}
			break;
		case WL_EXT_STATUS_ADD_KEY:
			dhdp->conf->eapol_status = EAPOL_STATUS_4WAY_DONE;
			if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
				if (cfg->handshaking) {
					if ((action & NO_BTC_IN4WAY) && cfg->btc_mode) {
						WL_TRACE(("status=%d, restore btc_mode %d\n",
							status, cfg->btc_mode));
						wldev_iovar_setint(dev, "btc_mode", cfg->btc_mode);
					}
					cfg->handshaking = 0;
				}
			}
			break;
		case WL_EXT_STATUS_AP_ENABLED:
			ifidx = dhd_net2idx(dhdp->info, dev);
			if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP && ifidx >= 0) {
				dhd_conf_set_wme(cfg->pub, ifidx, 1);
			}
			else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
				dhd_conf_set_mchan_bw(cfg->pub, WL_P2P_IF_GO, -1);
			}
			break;
		case WL_EXT_STATUS_DELETE_STA:
			if ((action & DONT_DELETE_GC_AFTER_WPS) &&
					(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO)) {
				u8* mac_addr = context;
				if (mac_addr && memcmp(&ether_bcast, mac_addr, ETHER_ADDR_LEN) &&
						cur_eapol_status == EAPOL_STATUS_WSC_DONE) {
					u32 timeout;
					max_wait_time = 300;
					WL_TRACE(("status=%d, wps_done=%d, waiting %dms ...\n",
						status, cfg->wps_done, max_wait_time));
					mutex_unlock(&cfg->in4way_sync);
					timeout = wait_event_interruptible_timeout(cfg->wps_done_event,
						cfg->wps_done, msecs_to_jiffies(max_wait_time));
					mutex_lock(&cfg->in4way_sync);
					WL_TRACE(("status=%d, wps_done=%d, timeout=%d\n",
						status, cfg->wps_done, timeout));
					if (timeout > 0) {
						ret = -1;
						break;
					}
				} else {
					WL_TRACE(("status=%d, wps_done=%d => 0\n", status, cfg->wps_done));
					cfg->wps_done = FALSE;
					dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
				}
			}
			break;
		case WL_EXT_STATUS_STA_DISCONNECTED:
			if ((action & DONT_DELETE_GC_AFTER_WPS) &&
					(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
					cur_eapol_status == EAPOL_STATUS_WSC_DONE) {
				WL_TRACE(("status=%d, wps_done=%d => 0\n", status, cfg->wps_done));
				cfg->wps_done = FALSE;
			}
			break;
		case WL_EXT_STATUS_STA_CONNECTED:
			if ((action & DONT_DELETE_GC_AFTER_WPS) &&
					(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
					cur_eapol_status == EAPOL_STATUS_WSC_DONE) {
				WL_TRACE(("status=%d, wps_done=%d => 1\n", status, cfg->wps_done));
				cfg->wps_done = TRUE;
				wake_up_interruptible(&cfg->wps_done_event);
			}
			break;
		default:
			WL_ERR(("Unknown action=0x%x, status=%d\n", action, status));
	}

	mutex_unlock(&cfg->in4way_sync);

	return ret;
}