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nest-open-source / nest-guard / 1.0 / linux / 6754b876e4c89285b30ff59800d23e21ce2dbe3f / . / linux / drivers / staging / brcm80211 / brcmfmac / wl_cfg80211.c
blob: ea0825238d53fd847be7dd6351da1011d26e9b8c [file] [log] [blame]
/*
* Copyright (c) 2010 Broadcom Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/kernel.h>
#include <linux/if_arp.h>
#include <linuxver.h>
#include <osl.h>
#include <bcmutils.h>
#include <bcmendian.h>
#include <proto/ethernet.h>
#include <asm/uaccess.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <dhdioctl.h>
#include <wlioctl.h>
#include <proto/ethernet.h>
#include <dngl_stats.h>
#include <dhd.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 <net/cfg80211.h>
#include <net/rtnetlink.h>
#include <linux/mmc/sdio_func.h>
#include <linux/firmware.h>
#include <wl_cfg80211.h>
static struct sdio_func *cfg80211_sdio_func;
static struct wl_dev *wl_cfg80211_dev;
u32 wl_dbg_level = WL_DBG_ERR | WL_DBG_INFO;
#define WL_4329_FW_FILE "brcm/bcm4329-fullmac-4.bin"
#define WL_4329_NVRAM_FILE "brcm/bcm4329-fullmac-4.txt"
/*
** cfg80211_ops api/callback list
*/
static s32 wl_cfg80211_change_iface(struct wiphy *wiphy,
struct net_device *ndev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params);
static s32 __wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request,
struct cfg80211_ssid *this_ssid);
static s32 wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request);
static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed);
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);
static s32 wl_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *dev, u8 *mac,
struct station_info *sinfo);
static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
struct net_device *dev, bool enabled,
s32 timeout);
static s32 wl_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
struct net_device *dev,
const u8 *addr,
const struct cfg80211_bitrate_mask
*mask);
static int wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme);
static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
u16 reason_code);
static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy,
enum nl80211_tx_power_setting type,
s32 dbm);
static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm);
static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy,
struct net_device *dev,
u8 key_idx);
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);
static s32 wl_cfg80211_suspend(struct wiphy *wiphy);
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);
/*
** event & event Q handlers for cfg80211 interfaces
*/
static s32 wl_create_event_handler(struct wl_priv *wl);
static void wl_destroy_event_handler(struct wl_priv *wl);
static s32 wl_event_handler(void *data);
static void wl_init_eq(struct wl_priv *wl);
static void wl_flush_eq(struct wl_priv *wl);
static void wl_lock_eq(struct wl_priv *wl);
static void wl_unlock_eq(struct wl_priv *wl);
static void wl_init_eq_lock(struct wl_priv *wl);
static void wl_init_eloop_handler(struct wl_event_loop *el);
static struct wl_event_q *wl_deq_event(struct wl_priv *wl);
static s32 wl_enq_event(struct wl_priv *wl, u32 type,
const wl_event_msg_t *msg, void *data);
static void wl_put_event(struct wl_event_q *e);
static void wl_wakeup_event(struct wl_priv *wl);
static s32 wl_notify_connect_status(struct wl_priv *wl,
struct net_device *ndev,
const wl_event_msg_t *e, void *data);
static s32 wl_notify_roaming_status(struct wl_priv *wl,
struct net_device *ndev,
const wl_event_msg_t *e, void *data);
static s32 wl_notify_scan_status(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data);
static s32 wl_bss_connect_done(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data,
bool completed);
static s32 wl_bss_roaming_done(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data);
static s32 wl_notify_mic_status(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data);
/*
** register/deregister sdio function
*/
struct sdio_func *wl_cfg80211_get_sdio_func(void);
static void wl_clear_sdio_func(void);
/*
** ioctl utilites
*/
static s32 wl_dev_bufvar_get(struct net_device *dev, s8 *name, s8 *buf,
s32 buf_len);
static __used s32 wl_dev_bufvar_set(struct net_device *dev, s8 *name,
s8 *buf, s32 len);
static s32 wl_dev_intvar_set(struct net_device *dev, s8 *name, s32 val);
static s32 wl_dev_intvar_get(struct net_device *dev, s8 *name,
s32 *retval);
static s32 wl_dev_ioctl(struct net_device *dev, u32 cmd, void *arg,
u32 len);
/*
** 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);
/*
** wl profile utilities
*/
static s32 wl_update_prof(struct wl_priv *wl, const wl_event_msg_t *e,
void *data, s32 item);
static void *wl_read_prof(struct wl_priv *wl, s32 item);
static void wl_init_prof(struct wl_profile *prof);
/*
** 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);
static s32 wl_get_assoc_ies(struct wl_priv *wl);
static void wl_ch_to_chanspec(int ch,
struct wl_join_params *join_params, size_t *join_params_size);
/*
** information element utilities
*/
static void wl_rst_ie(struct wl_priv *wl);
static __used s32 wl_add_ie(struct wl_priv *wl, u8 t, u8 l, u8 *v);
static s32 wl_mrg_ie(struct wl_priv *wl, u8 *ie_stream, u16 ie_size);
static s32 wl_cp_ie(struct wl_priv *wl, u8 *dst, u16 dst_size);
static u32 wl_get_ielen(struct wl_priv *wl);
static s32 wl_mode_to_nl80211_iftype(s32 mode);
static struct wireless_dev *wl_alloc_wdev(s32 sizeof_iface,
struct device *dev);
static void wl_free_wdev(struct wl_priv *wl);
static s32 wl_inform_bss(struct wl_priv *wl);
static s32 wl_inform_single_bss(struct wl_priv *wl, struct wl_bss_info *bi);
static s32 wl_update_bss_info(struct wl_priv *wl);
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);
/*
** wl_priv memory init/deinit utilities
*/
static s32 wl_init_priv_mem(struct wl_priv *wl);
static void wl_deinit_priv_mem(struct wl_priv *wl);
static void wl_delay(u32 ms);
/*
** store/restore cfg80211 instance data
*/
static void wl_set_drvdata(struct wl_dev *dev, void *data);
static void *wl_get_drvdata(struct wl_dev *dev);
/*
** ibss mode utilities
*/
static bool wl_is_ibssmode(struct wl_priv *wl);
static bool wl_is_ibssstarter(struct wl_priv *wl);
/*
** dongle up/down , default configuration utilities
*/
static bool wl_is_linkdown(struct wl_priv *wl, const wl_event_msg_t *e);
static bool wl_is_linkup(struct wl_priv *wl, const wl_event_msg_t *e);
static bool wl_is_nonetwork(struct wl_priv *wl, const wl_event_msg_t *e);
static void wl_link_up(struct wl_priv *wl);
static void wl_link_down(struct wl_priv *wl);
static s32 wl_dongle_mode(struct net_device *ndev, s32 iftype);
static s32 __wl_cfg80211_up(struct wl_priv *wl);
static s32 __wl_cfg80211_down(struct wl_priv *wl);
static s32 wl_dongle_probecap(struct wl_priv *wl);
static void wl_init_conf(struct wl_conf *conf);
/*
** dongle configuration utilities
*/
#ifndef EMBEDDED_PLATFORM
static s32 wl_dongle_mode(struct net_device *ndev, s32 iftype);
static s32 wl_dongle_country(struct net_device *ndev, u8 ccode);
static s32 wl_dongle_up(struct net_device *ndev, u32 up);
static s32 wl_dongle_power(struct net_device *ndev, u32 power_mode);
static s32 wl_dongle_glom(struct net_device *ndev, u32 glom,
u32 dongle_align);
static s32 wl_dongle_roam(struct net_device *ndev, u32 roamvar,
u32 bcn_timeout);
static s32 wl_dongle_eventmsg(struct net_device *ndev);
static s32 wl_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time,
s32 scan_unassoc_time);
static s32 wl_dongle_offload(struct net_device *ndev, s32 arpoe,
s32 arp_ol);
static s32 wl_pattern_atoh(s8 *src, s8 *dst);
static s32 wl_dongle_filter(struct net_device *ndev, u32 filter_mode);
static s32 wl_update_wiphybands(struct wl_priv *wl);
#endif /* !EMBEDDED_PLATFORM */
static s32 wl_config_dongle(struct wl_priv *wl, bool need_lock);
/*
** iscan handler
*/
static void wl_iscan_timer(unsigned long data);
static void wl_term_iscan(struct wl_priv *wl);
static s32 wl_init_iscan(struct wl_priv *wl);
static s32 wl_iscan_thread(void *data);
static s32 wl_dev_iovar_setbuf(struct net_device *dev, s8 *iovar,
void *param, s32 paramlen, void *bufptr,
s32 buflen);
static s32 wl_dev_iovar_getbuf(struct net_device *dev, s8 *iovar,
void *param, s32 paramlen, void *bufptr,
s32 buflen);
static s32 wl_run_iscan(struct wl_iscan_ctrl *iscan, struct wlc_ssid *ssid,
u16 action);
static s32 wl_do_iscan(struct wl_priv *wl);
static s32 wl_wakeup_iscan(struct wl_iscan_ctrl *iscan);
static s32 wl_invoke_iscan(struct wl_priv *wl);
static s32 wl_get_iscan_results(struct wl_iscan_ctrl *iscan, u32 *status,
struct wl_scan_results **bss_list);
static void wl_notify_iscan_complete(struct wl_iscan_ctrl *iscan, bool aborted);
static void wl_init_iscan_eloop(struct wl_iscan_eloop *el);
static s32 wl_iscan_done(struct wl_priv *wl);
static s32 wl_iscan_pending(struct wl_priv *wl);
static s32 wl_iscan_inprogress(struct wl_priv *wl);
static s32 wl_iscan_aborted(struct wl_priv *wl);
/*
** fw/nvram downloading handler
*/
static void wl_init_fw(struct wl_fw_ctrl *fw);
/*
* find most significant bit set
*/
static __used u32 wl_find_msb(u16 bit16);
/*
* update pmklist to dongle
*/
static __used s32 wl_update_pmklist(struct net_device *dev,
struct wl_pmk_list *pmk_list, s32 err);
static void wl_set_mpc(struct net_device *ndev, int mpc);
/*
* debufs support
*/
static int wl_debugfs_add_netdev_params(struct wl_priv *wl);
static void wl_debugfs_remove_netdev(struct wl_priv *wl);
#define WL_PRIV_GET() \
({ \
struct wl_iface *ci; \
if (unlikely(!(wl_cfg80211_dev && \
(ci = wl_get_drvdata(wl_cfg80211_dev))))) { \
WL_ERR(("wl_cfg80211_dev is unavailable\n")); \
BUG(); \
} \
ci_to_wl(ci); \
})
#define CHECK_SYS_UP() \
do { \
struct wl_priv *wl = wiphy_to_wl(wiphy); \
if (unlikely(!test_bit(WL_STATUS_READY, &wl->status))) { \
WL_INFO(("device is not ready : status (%d)\n", \
(int)wl->status)); \
return -EIO; \
} \
} while (0)
extern int dhd_wait_pend8021x(struct net_device *dev);
#if (WL_DBG_LEVEL > 0)
#define WL_DBG_ESTR_MAX 32
static s8 wl_dbg_estr[][WL_DBG_ESTR_MAX] = {
"SET_SSID", "JOIN", "START", "AUTH", "AUTH_IND",
"DEAUTH", "DEAUTH_IND", "ASSOC", "ASSOC_IND", "REASSOC",
"REASSOC_IND", "DISASSOC", "DISASSOC_IND", "QUIET_START", "QUIET_END",
"BEACON_RX", "LINK", "MIC_ERROR", "NDIS_LINK", "ROAM",
"TXFAIL", "PMKID_CACHE", "RETROGRADE_TSF", "PRUNE", "AUTOAUTH",
"EAPOL_MSG", "SCAN_COMPLETE", "ADDTS_IND", "DELTS_IND", "BCNSENT_IND",
"BCNRX_MSG", "BCNLOST_MSG", "ROAM_PREP", "PFN_NET_FOUND",
"PFN_NET_LOST",
"RESET_COMPLETE", "JOIN_START", "ROAM_START", "ASSOC_START",
"IBSS_ASSOC",
"RADIO", "PSM_WATCHDOG",
"PROBREQ_MSG",
"SCAN_CONFIRM_IND", "PSK_SUP", "COUNTRY_CODE_CHANGED",
"EXCEEDED_MEDIUM_TIME", "ICV_ERROR",
"UNICAST_DECODE_ERROR", "MULTICAST_DECODE_ERROR", "TRACE",
"IF",
"RSSI", "PFN_SCAN_COMPLETE", "ACTION_FRAME", "ACTION_FRAME_COMPLETE",
};
#endif /* WL_DBG_LEVEL */
#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(WLC_RATE_1M, 0),
RATETAB_ENT(WLC_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
RATETAB_ENT(WLC_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
RATETAB_ENT(WLC_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
RATETAB_ENT(WLC_RATE_6M, 0),
RATETAB_ENT(WLC_RATE_9M, 0),
RATETAB_ENT(WLC_RATE_12M, 0),
RATETAB_ENT(WLC_RATE_18M, 0),
RATETAB_ENT(WLC_RATE_24M, 0),
RATETAB_ENT(WLC_RATE_36M, 0),
RATETAB_ENT(WLC_RATE_48M, 0),
RATETAB_ENT(WLC_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(149, 0),
CHAN5G(153, 0), CHAN5G(157, 0),
CHAN5G(161, 0), CHAN5G(165, 0),
CHAN5G(184, 0), CHAN5G(188, 0),
CHAN5G(192, 0), CHAN5G(196, 0),
CHAN5G(200, 0), CHAN5G(204, 0),
CHAN5G(208, 0), CHAN5G(212, 0),
CHAN5G(216, 0),
};
static struct ieee80211_channel __wl_5ghz_n_channels[] = {
CHAN5G(32, 0), 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(50, 0),
CHAN5G(52, 0), CHAN5G(54, 0),
CHAN5G(56, 0), CHAN5G(58, 0),
CHAN5G(60, 0), CHAN5G(62, 0),
CHAN5G(64, 0), CHAN5G(66, 0),
CHAN5G(68, 0), CHAN5G(70, 0),
CHAN5G(72, 0), CHAN5G(74, 0),
CHAN5G(76, 0), CHAN5G(78, 0),
CHAN5G(80, 0), CHAN5G(82, 0),
CHAN5G(84, 0), CHAN5G(86, 0),
CHAN5G(88, 0), CHAN5G(90, 0),
CHAN5G(92, 0), CHAN5G(94, 0),
CHAN5G(96, 0), CHAN5G(98, 0),
CHAN5G(100, 0), CHAN5G(102, 0),
CHAN5G(104, 0), CHAN5G(106, 0),
CHAN5G(108, 0), CHAN5G(110, 0),
CHAN5G(112, 0), CHAN5G(114, 0),
CHAN5G(116, 0), CHAN5G(118, 0),
CHAN5G(120, 0), CHAN5G(122, 0),
CHAN5G(124, 0), CHAN5G(126, 0),
CHAN5G(128, 0), CHAN5G(130, 0),
CHAN5G(132, 0), CHAN5G(134, 0),
CHAN5G(136, 0), CHAN5G(138, 0),
CHAN5G(140, 0), CHAN5G(142, 0),
CHAN5G(144, 0), CHAN5G(145, 0),
CHAN5G(146, 0), CHAN5G(147, 0),
CHAN5G(148, 0), CHAN5G(149, 0),
CHAN5G(150, 0), CHAN5G(151, 0),
CHAN5G(152, 0), CHAN5G(153, 0),
CHAN5G(154, 0), CHAN5G(155, 0),
CHAN5G(156, 0), CHAN5G(157, 0),
CHAN5G(158, 0), CHAN5G(159, 0),
CHAN5G(160, 0), CHAN5G(161, 0),
CHAN5G(162, 0), CHAN5G(163, 0),
CHAN5G(164, 0), CHAN5G(165, 0),
CHAN5G(166, 0), CHAN5G(168, 0),
CHAN5G(170, 0), CHAN5G(172, 0),
CHAN5G(174, 0), CHAN5G(176, 0),
CHAN5G(178, 0), CHAN5G(180, 0),
CHAN5G(182, 0), CHAN5G(184, 0),
CHAN5G(186, 0), CHAN5G(188, 0),
CHAN5G(190, 0), CHAN5G(192, 0),
CHAN5G(194, 0), CHAN5G(196, 0),
CHAN5G(198, 0), CHAN5G(200, 0),
CHAN5G(202, 0), CHAN5G(204, 0),
CHAN5G(206, 0), CHAN5G(208, 0),
CHAN5G(210, 0), CHAN5G(212, 0),
CHAN5G(214, 0), CHAN5G(216, 0),
CHAN5G(218, 0), CHAN5G(220, 0),
CHAN5G(222, 0), CHAN5G(224, 0),
CHAN5G(226, 0), CHAN5G(228, 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 struct ieee80211_supported_band __wl_band_5ghz_n = {
.band = IEEE80211_BAND_5GHZ,
.channels = __wl_5ghz_n_channels,
.n_channels = ARRAY_SIZE(__wl_5ghz_n_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,
WLAN_CIPHER_SUITE_AES_CMAC,
};
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);
}
static s32
wl_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len)
{
struct ifreq ifr;
struct wl_ioctl ioc;
mm_segment_t fs;
s32 err = 0;
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = cmd;
ioc.buf = arg;
ioc.len = len;
strcpy(ifr.ifr_name, dev->name);
ifr.ifr_data = (caddr_t)&ioc;
fs = get_fs();
set_fs(get_ds());
err = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE);
set_fs(fs);
return err;
}
static s32
wl_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
struct wireless_dev *wdev;
s32 infra = 0;
s32 ap = 0;
s32 err = 0;
CHECK_SYS_UP();
switch (type) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_WDS:
WL_ERR(("type (%d) : currently we do not support this type\n",
type));
return -EOPNOTSUPP;
case NL80211_IFTYPE_ADHOC:
wl->conf->mode = WL_MODE_IBSS;
break;
case NL80211_IFTYPE_STATION:
wl->conf->mode = WL_MODE_BSS;
infra = 1;
break;
default:
return -EINVAL;
}
infra = htod32(infra);
ap = htod32(ap);
wdev = ndev->ieee80211_ptr;
wdev->iftype = type;
WL_DBG(("%s : ap (%d), infra (%d)\n", ndev->name, ap, infra));
err = wl_dev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(infra));
if (unlikely(err)) {
WL_ERR(("WLC_SET_INFRA error (%d)\n", err));
return err;
}
err = wl_dev_ioctl(ndev, WLC_SET_AP, &ap, sizeof(ap));
if (unlikely(err)) {
WL_ERR(("WLC_SET_AP error (%d)\n", err));
return err;
}
/* -EINPROGRESS: Call commit handler */
return -EINPROGRESS;
}
static void wl_iscan_prep(struct wl_scan_params *params, struct wlc_ssid *ssid)
{
memcpy(&params->bssid, &ether_bcast, ETHER_ADDR_LEN);
params->bss_type = DOT11_BSSTYPE_ANY;
params->scan_type = 0;
params->nprobes = -1;
params->active_time = -1;
params->passive_time = -1;
params->home_time = -1;
params->channel_num = 0;
params->nprobes = htod32(params->nprobes);
params->active_time = htod32(params->active_time);
params->passive_time = htod32(params->passive_time);
params->home_time = htod32(params->home_time);
if (ssid && ssid->SSID_len)
memcpy(&params->ssid, ssid, sizeof(wlc_ssid_t));
}
static s32
wl_dev_iovar_setbuf(struct net_device *dev, s8 * iovar, void *param,
s32 paramlen, void *bufptr, s32 buflen)
{
s32 iolen;
iolen = bcm_mkiovar(iovar, param, paramlen, bufptr, buflen);
BUG_ON(unlikely(!iolen));
return wl_dev_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
}
static s32
wl_dev_iovar_getbuf(struct net_device *dev, s8 * iovar, void *param,
s32 paramlen, void *bufptr, s32 buflen)
{
s32 iolen;
iolen = bcm_mkiovar(iovar, param, paramlen, bufptr, buflen);
BUG_ON(unlikely(!iolen));
return wl_dev_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
}
static s32
wl_run_iscan(struct wl_iscan_ctrl *iscan, struct wlc_ssid *ssid, u16 action)
{
s32 params_size =
(WL_SCAN_PARAMS_FIXED_SIZE + offsetof(wl_iscan_params_t, params));
struct wl_iscan_params *params;
s32 err = 0;
if (ssid && ssid->SSID_len)
params_size += sizeof(struct wlc_ssid);
params = (struct wl_iscan_params *)kzalloc(params_size, GFP_KERNEL);
if (unlikely(!params))
return -ENOMEM;
memset(params, 0, params_size);
BUG_ON(unlikely(params_size >= WLC_IOCTL_SMLEN));
wl_iscan_prep(&params->params, ssid);
params->version = htod32(ISCAN_REQ_VERSION);
params->action = htod16(action);
params->scan_duration = htod16(0);
/* params_size += offsetof(wl_iscan_params_t, params); */
err = wl_dev_iovar_setbuf(iscan->dev, "iscan", params, params_size,
iscan->ioctl_buf, WLC_IOCTL_SMLEN);
if (unlikely(err)) {
if (err == -EBUSY) {
WL_INFO(("system busy : iscan canceled\n"));
} else {
WL_ERR(("error (%d)\n", err));
}
}
kfree(params);
return err;
}
static s32 wl_do_iscan(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl_to_iscan(wl);
struct net_device *ndev = wl_to_ndev(wl);
struct wlc_ssid ssid;
s32 passive_scan;
s32 err = 0;
/* Broadcast scan by default */
memset(&ssid, 0, sizeof(ssid));
iscan->state = WL_ISCAN_STATE_SCANING;
passive_scan = wl->active_scan ? 0 : 1;
err = wl_dev_ioctl(wl_to_ndev(wl), WLC_SET_PASSIVE_SCAN,
&passive_scan, sizeof(passive_scan));
if (unlikely(err)) {
WL_DBG(("error (%d)\n", err));
return err;
}
wl_set_mpc(ndev, 0);
wl->iscan_kickstart = true;
wl_run_iscan(iscan, &ssid, WL_SCAN_ACTION_START);
mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
iscan->timer_on = 1;
return err;
}
static s32
__wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request,
struct cfg80211_ssid *this_ssid)
{
struct wl_priv *wl = ndev_to_wl(ndev);
struct cfg80211_ssid *ssids;
struct wl_scan_req *sr = wl_to_sr(wl);
s32 passive_scan;
bool iscan_req;
bool spec_scan;
s32 err = 0;
if (unlikely(test_bit(WL_STATUS_SCANNING, &wl->status))) {
WL_ERR(("Scanning already : status (%d)\n", (int)wl->status));
return -EAGAIN;
}
if (unlikely(test_bit(WL_STATUS_SCAN_ABORTING, &wl->status))) {
WL_ERR(("Scanning being aborted : status (%d)\n",
(int)wl->status));
return -EAGAIN;
}
iscan_req = false;
spec_scan = false;
if (request) { /* scan bss */
ssids = request->ssids;
if (wl->iscan_on && (!ssids || !ssids->ssid_len)) { /* for
* specific scan,
* ssids->ssid_len has
* non-zero(ssid string)
* length.
* Otherwise this is 0.
* we do not iscan for
* specific scan request
*/
iscan_req = true;
}
} else { /* scan in ibss */
/* we don't do iscan in ibss */
ssids = this_ssid;
}
wl->scan_request = request;
set_bit(WL_STATUS_SCANNING, &wl->status);
if (iscan_req) {
err = wl_do_iscan(wl);
if (likely(!err))
return err;
else
goto scan_out;
} else {
WL_DBG(("ssid \"%s\", ssid_len (%d)\n",
ssids->ssid, ssids->ssid_len));
memset(&sr->ssid, 0, sizeof(sr->ssid));
sr->ssid.SSID_len =
min_t(u8, sizeof(sr->ssid.SSID), ssids->ssid_len);
if (sr->ssid.SSID_len) {
memcpy(sr->ssid.SSID, ssids->ssid, sr->ssid.SSID_len);
sr->ssid.SSID_len = htod32(sr->ssid.SSID_len);
WL_DBG(("Specific scan ssid=\"%s\" len=%d\n",
sr->ssid.SSID, sr->ssid.SSID_len));
spec_scan = true;
} else {
WL_DBG(("Broadcast scan\n"));
}
WL_DBG(("sr->ssid.SSID_len (%d)\n", sr->ssid.SSID_len));
passive_scan = wl->active_scan ? 0 : 1;
err = wl_dev_ioctl(ndev, WLC_SET_PASSIVE_SCAN,
&passive_scan, sizeof(passive_scan));
if (unlikely(err)) {
WL_ERR(("WLC_SET_PASSIVE_SCAN error (%d)\n", err));
goto scan_out;
}
wl_set_mpc(ndev, 0);
err = wl_dev_ioctl(ndev, WLC_SCAN, &sr->ssid,
sizeof(sr->ssid));
if (err) {
if (err == -EBUSY) {
WL_INFO(("system busy : scan for \"%s\" "
"canceled\n", sr->ssid.SSID));
} else {
WL_ERR(("WLC_SCAN error (%d)\n", err));
}
wl_set_mpc(ndev, 1);
goto scan_out;
}
}
return 0;
scan_out:
clear_bit(WL_STATUS_SCANNING, &wl->status);
wl->scan_request = NULL;
return err;
}
static s32
wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request)
{
s32 err = 0;
CHECK_SYS_UP();
err = __wl_cfg80211_scan(wiphy, ndev, request, NULL);
if (unlikely(err)) {
WL_DBG(("scan error (%d)\n", err));
return err;
}
return err;
}
static s32 wl_dev_intvar_set(struct net_device *dev, s8 *name, s32 val)
{
s8 buf[WLC_IOCTL_SMLEN];
u32 len;
s32 err = 0;
val = htod32(val);
len = bcm_mkiovar(name, (char *)(&val), sizeof(val), buf, sizeof(buf));
BUG_ON(unlikely(!len));
err = wl_dev_ioctl(dev, WLC_SET_VAR, buf, len);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
}
return err;
}
static s32
wl_dev_intvar_get(struct net_device *dev, s8 *name, s32 *retval)
{
union {
s8 buf[WLC_IOCTL_SMLEN];
s32 val;
} var;
u32 len;
u32 data_null;
s32 err = 0;
len =
bcm_mkiovar(name, (char *)(&data_null), 0, (char *)(&var),
sizeof(var.buf));
BUG_ON(unlikely(!len));
err = wl_dev_ioctl(dev, WLC_GET_VAR, &var, len);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
}
*retval = dtoh32(var.val);
return err;
}
static s32 wl_set_rts(struct net_device *dev, u32 rts_threshold)
{
s32 err = 0;
err = wl_dev_intvar_set(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 = wl_dev_intvar_set(dev, "fragthresh", frag_threshold);
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);
retry = htod32(retry);
err = wl_dev_ioctl(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 wl_priv *wl = wiphy_to_wl(wiphy);
struct net_device *ndev = wl_to_ndev(wl);
s32 err = 0;
CHECK_SYS_UP();
if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
(wl->conf->rts_threshold != wiphy->rts_threshold)) {
wl->conf->rts_threshold = wiphy->rts_threshold;
err = wl_set_rts(ndev, wl->conf->rts_threshold);
if (!err)
return err;
}
if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
(wl->conf->frag_threshold != wiphy->frag_threshold)) {
wl->conf->frag_threshold = wiphy->frag_threshold;
err = wl_set_frag(ndev, wl->conf->frag_threshold);
if (!err)
return err;
}
if (changed & WIPHY_PARAM_RETRY_LONG
&& (wl->conf->retry_long != wiphy->retry_long)) {
wl->conf->retry_long = wiphy->retry_long;
err = wl_set_retry(ndev, wl->conf->retry_long, true);
if (!err)
return err;
}
if (changed & WIPHY_PARAM_RETRY_SHORT
&& (wl->conf->retry_short != wiphy->retry_short)) {
wl->conf->retry_short = wiphy->retry_short;
err = wl_set_retry(ndev, wl->conf->retry_short, false);
if (!err) {
return err;
}
}
return err;
}
static s32
wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_ibss_params *params)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
struct cfg80211_bss *bss;
struct ieee80211_channel *chan;
struct wl_join_params join_params;
struct cfg80211_ssid ssid;
s32 scan_retry = 0;
s32 err = 0;
CHECK_SYS_UP();
if (params->bssid) {
WL_ERR(("Invalid bssid\n"));
return -EOPNOTSUPP;
}
bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len);
if (!bss) {
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_unlock(); /* to allow scan_inform to paropagate
to cfg80211 plane */
schedule_timeout_interruptible(4 * HZ); /* wait 4 secons
till scan done.... */
rtnl_lock();
bss = cfg80211_get_ibss(wiphy, NULL,
params->ssid, params->ssid_len);
}
if (bss) {
wl->ibss_starter = false;
WL_DBG(("Found IBSS\n"));
} else {
wl->ibss_starter = true;
}
chan = params->channel;
if (chan)
wl->channel = ieee80211_frequency_to_channel(chan->center_freq);
/*
** Join with specific BSSID and cached SSID
** If SSID is zero join based on BSSID only
*/
memset(&join_params, 0, sizeof(join_params));
memcpy((void *)join_params.ssid.SSID, (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);
else
memset(&join_params.params.bssid, 0, ETHER_ADDR_LEN);
err = wl_dev_ioctl(dev, WLC_SET_SSID, &join_params,
sizeof(join_params));
if (unlikely(err)) {
WL_ERR(("Error (%d)\n", err));
return err;
}
return err;
}
static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
s32 err = 0;
CHECK_SYS_UP();
wl_link_down(wl);
return err;
}
static s32
wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct wl_priv *wl = ndev_to_wl(dev);
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
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;
WL_DBG(("setting wpa_auth to 0x%0x\n", val));
err = wl_dev_intvar_set(dev, "wpa_auth", val);
if (unlikely(err)) {
WL_ERR(("set wpa_auth failed (%d)\n", err));
return err;
}
sec = wl_read_prof(wl, WL_PROF_SEC);
sec->wpa_versions = sme->crypto.wpa_versions;
return err;
}
static s32
wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct wl_priv *wl = ndev_to_wl(dev);
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
switch (sme->auth_type) {
case NL80211_AUTHTYPE_OPEN_SYSTEM:
val = 0;
WL_DBG(("open system\n"));
break;
case NL80211_AUTHTYPE_SHARED_KEY:
val = 1;
WL_DBG(("shared key\n"));
break;
case NL80211_AUTHTYPE_AUTOMATIC:
val = 2;
WL_DBG(("automatic\n"));
break;
case NL80211_AUTHTYPE_NETWORK_EAP:
WL_DBG(("network eap\n"));
default:
val = 2;
WL_ERR(("invalid auth type (%d)\n", sme->auth_type));
break;
}
err = wl_dev_intvar_set(dev, "auth", val);
if (unlikely(err)) {
WL_ERR(("set auth failed (%d)\n", err));
return err;
}
sec = wl_read_prof(wl, WL_PROF_SEC);
sec->auth_type = sme->auth_type;
return err;
}
static s32
wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct wl_priv *wl = ndev_to_wl(dev);
struct wl_security *sec;
s32 pval = 0;
s32 gval = 0;
s32 err = 0;
if (sme->crypto.n_ciphers_pairwise) {
switch (sme->crypto.ciphers_pairwise[0]) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
pval = WEP_ENABLED;
break;
case WLAN_CIPHER_SUITE_TKIP:
pval = TKIP_ENABLED;
break;
case WLAN_CIPHER_SUITE_CCMP:
pval = AES_ENABLED;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
pval = AES_ENABLED;
break;
default:
WL_ERR(("invalid cipher pairwise (%d)\n",
sme->crypto.ciphers_pairwise[0]));
return -EINVAL;
}
}
if (sme->crypto.cipher_group) {
switch (sme->crypto.cipher_group) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
gval = WEP_ENABLED;
break;
case WLAN_CIPHER_SUITE_TKIP:
gval = TKIP_ENABLED;
break;
case WLAN_CIPHER_SUITE_CCMP:
gval = AES_ENABLED;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
gval = AES_ENABLED;
break;
default:
WL_ERR(("invalid cipher group (%d)\n",
sme->crypto.cipher_group));
return -EINVAL;
}
}
WL_DBG(("pval (%d) gval (%d)\n", pval, gval));
err = wl_dev_intvar_set(dev, "wsec", pval | gval);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
sec = wl_read_prof(wl, WL_PROF_SEC);
sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
sec->cipher_group = sme->crypto.cipher_group;
return err;
}
static s32
wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct wl_priv *wl = ndev_to_wl(dev);
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
if (sme->crypto.n_akm_suites) {
err = wl_dev_intvar_get(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 cipher group (%d)\n",
sme->crypto.cipher_group));
return -EINVAL;
}
} else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
switch (sme->crypto.akm_suites[0]) {
case WLAN_AKM_SUITE_8021X:
val = WPA2_AUTH_UNSPECIFIED;
break;
case WLAN_AKM_SUITE_PSK:
val = WPA2_AUTH_PSK;
break;
default:
WL_ERR(("invalid cipher group (%d)\n",
sme->crypto.cipher_group));
return -EINVAL;
}
}
WL_DBG(("setting wpa_auth to %d\n", val));
err = wl_dev_intvar_set(dev, "wpa_auth", val);
if (unlikely(err)) {
WL_ERR(("could not set wpa_auth (%d)\n", err));
return err;
}
}
sec = wl_read_prof(wl, 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 wl_priv *wl = ndev_to_wl(dev);
struct wl_security *sec;
struct wl_wsec_key key;
s32 val;
s32 err = 0;
WL_DBG(("key len (%d)\n", sme->key_len));
if (sme->key_len) {
sec = wl_read_prof(wl, 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))
&& (sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 |
WLAN_CIPHER_SUITE_WEP104))) {
memset(&key, 0, 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;
switch (sec->cipher_pairwise) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
break;
default:
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 = wl_dev_ioctl(dev, WLC_SET_KEY, &key,
sizeof(key));
if (unlikely(err)) {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
return err;
}
if (sec->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) {
WL_DBG(("set auth_type to shared key\n"));
val = 1; /* shared key */
err = wl_dev_intvar_set(dev, "auth", val);
if (unlikely(err)) {
WL_ERR(("set auth failed (%d)\n", err));
return err;
}
}
}
}
return err;
}
static s32
wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
struct ieee80211_channel *chan = sme->channel;
struct wl_join_params join_params;
size_t join_params_size;
s32 err = 0;
CHECK_SYS_UP();
if (unlikely(!sme->ssid)) {
WL_ERR(("Invalid ssid\n"));
return -EOPNOTSUPP;
}
if (chan) {
wl->channel = ieee80211_frequency_to_channel(chan->center_freq);
WL_DBG(("channel (%d), center_req (%d)\n", wl->channel,
chan->center_freq));
}
WL_DBG(("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len));
err = wl_set_wpa_version(dev, sme);
if (unlikely(err))
return err;
err = wl_set_auth_type(dev, sme);
if (unlikely(err))
return err;
err = wl_set_set_cipher(dev, sme);
if (unlikely(err))
return err;
err = wl_set_key_mgmt(dev, sme);
if (unlikely(err))
return err;
err = wl_set_set_sharedkey(dev, sme);
if (unlikely(err))
return err;
wl_update_prof(wl, NULL, sme->bssid, WL_PROF_BSSID);
/*
** Join with specific BSSID and cached SSID
** If SSID is zero join based on BSSID only
*/
memset(&join_params, 0, sizeof(join_params));
join_params_size = sizeof(join_params.ssid);
join_params.ssid.SSID_len = 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(wl, NULL, &join_params.ssid, WL_PROF_SSID);
memcpy(&join_params.params.bssid, &ether_bcast, ETHER_ADDR_LEN);
wl_ch_to_chanspec(wl->channel, &join_params, &join_params_size);
WL_DBG(("join_param_size %d\n", join_params_size));
if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
WL_DBG(("ssid \"%s\", len (%d)\n", join_params.ssid.SSID,
join_params.ssid.SSID_len));
}
err = wl_dev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
set_bit(WL_STATUS_CONNECTING, &wl->status);
return err;
}
static s32
wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
u16 reason_code)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
scb_val_t scbval;
bool act = false;
s32 err = 0;
WL_DBG(("Reason %d\n", reason_code));
CHECK_SYS_UP();
act = *(bool *) wl_read_prof(wl, WL_PROF_ACT);
if (likely(act)) {
scbval.val = reason_code;
memcpy(&scbval.ea, &wl->bssid, ETHER_ADDR_LEN);
scbval.val = htod32(scbval.val);
err = wl_dev_ioctl(dev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t));
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
}
return err;
}
static s32
wl_cfg80211_set_tx_power(struct wiphy *wiphy,
enum nl80211_tx_power_setting type, s32 dbm)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
struct net_device *ndev = wl_to_ndev(wl);
u16 txpwrmw;
s32 err = 0;
s32 disable = 0;
CHECK_SYS_UP();
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;
}
/* Make sure radio is off or on as far as software is concerned */
disable = WL_RADIO_SW_DISABLE << 16;
disable = htod32(disable);
err = wl_dev_ioctl(ndev, WLC_SET_RADIO, &disable, sizeof(disable));
if (unlikely(err)) {
WL_ERR(("WLC_SET_RADIO error (%d)\n", err));
return err;
}
if (dbm > 0xffff)
txpwrmw = 0xffff;
else
txpwrmw = (u16) dbm;
err = wl_dev_intvar_set(ndev, "qtxpower",
(s32) (bcm_mw_to_qdbm(txpwrmw)));
if (unlikely(err)) {
WL_ERR(("qtxpower error (%d)\n", err));
return err;
}
wl->conf->tx_power = dbm;
return err;
}
static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
struct net_device *ndev = wl_to_ndev(wl);
s32 txpwrdbm;
u8 result;
s32 err = 0;
CHECK_SYS_UP();
err = wl_dev_intvar_get(ndev, "qtxpower", &txpwrdbm);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
*dbm = (s32) bcm_qdbm_to_mw(result);
return err;
}
static s32
wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx)
{
u32 index;
s32 wsec;
s32 err = 0;
WL_DBG(("key index (%d)\n", key_idx));
CHECK_SYS_UP();
err = wl_dev_ioctl(dev, WLC_GET_WSEC, &wsec, sizeof(wsec));
if (unlikely(err)) {
WL_ERR(("WLC_GET_WSEC error (%d)\n", err));
return err;
}
wsec = dtoh32(wsec);
if (wsec & WEP_ENABLED) {
/* Just select a new current key */
index = (u32) key_idx;
index = htod32(index);
err = wl_dev_ioctl(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 wl_wsec_key key;
s32 err = 0;
memset(&key, 0, sizeof(key));
key.index = (u32) key_idx;
/* Instead of bcast for ea address for default wep keys,
driver needs it to be Null */
if (!ETHER_ISMULTI(mac_addr))
memcpy((char *)&key.ea, (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 = wl_dev_ioctl(dev, WLC_SET_KEY, &key, sizeof(key));
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 (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 */
u8 *ivptr;
ivptr = (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;
}
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n"));
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n"));
break;
case WLAN_CIPHER_SUITE_TKIP:
key.algo = CRYPTO_ALGO_TKIP;
WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
key.algo = CRYPTO_ALGO_AES_CCM;
WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n"));
break;
case WLAN_CIPHER_SUITE_CCMP:
key.algo = CRYPTO_ALGO_AES_CCM;
WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n"));
break;
default:
WL_ERR(("Invalid cipher (0x%x)\n", params->cipher));
return -EINVAL;
}
swap_key_from_BE(&key);
dhd_wait_pend8021x(dev);
err = wl_dev_ioctl(dev, WLC_SET_KEY, &key, sizeof(key));
if (unlikely(err)) {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
return err;
}
}
return err;
}
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;
s32 wsec;
s32 err = 0;
WL_DBG(("key index (%d)\n", key_idx));
CHECK_SYS_UP();
if (mac_addr)
return wl_add_keyext(wiphy, dev, key_idx, mac_addr, params);
memset(&key, 0, sizeof(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;
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n"));
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n"));
break;
case WLAN_CIPHER_SUITE_TKIP:
key.algo = CRYPTO_ALGO_TKIP;
WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
key.algo = CRYPTO_ALGO_AES_CCM;
WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n"));
break;
case WLAN_CIPHER_SUITE_CCMP:
key.algo = CRYPTO_ALGO_AES_CCM;
WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n"));
break;
default:
WL_ERR(("Invalid cipher (0x%x)\n", params->cipher));
return -EINVAL;
}
/* Set the new key/index */
swap_key_from_BE(&key);
err = wl_dev_ioctl(dev, WLC_SET_KEY, &key, sizeof(key));
if (unlikely(err)) {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
return err;
}
val = WEP_ENABLED;
err = wl_dev_intvar_get(dev, "wsec", &wsec);
if (unlikely(err)) {
WL_ERR(("get wsec error (%d)\n", err));
return err;
}
wsec &= ~(WEP_ENABLED);
wsec |= val;
err = wl_dev_intvar_set(dev, "wsec", wsec);
if (unlikely(err)) {
WL_ERR(("set wsec error (%d)\n", err));
return err;
}
val = 1; /* assume shared key. otherwise 0 */
val = htod32(val);
err = wl_dev_ioctl(dev, WLC_SET_AUTH, &val, sizeof(val));
if (unlikely(err)) {
WL_ERR(("WLC_SET_AUTH error (%d)\n", err));
return err;
}
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;
s32 err = 0;
s32 val;
s32 wsec;
CHECK_SYS_UP();
memset(&key, 0, sizeof(key));
key.index = (u32) key_idx;
key.flags = WL_PRIMARY_KEY;
key.algo = CRYPTO_ALGO_OFF;
WL_DBG(("key index (%d)\n", key_idx));
/* Set the new key/index */
swap_key_from_BE(&key);
err = wl_dev_ioctl(dev, WLC_SET_KEY, &key, sizeof(key));
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;
}
val = 0;
err = wl_dev_intvar_get(dev, "wsec", &wsec);
if (unlikely(err)) {
WL_ERR(("get wsec error (%d)\n", err));
return err;
}
wsec &= ~(WEP_ENABLED);
wsec |= val;
err = wl_dev_intvar_set(dev, "wsec", wsec);
if (unlikely(err)) {
WL_ERR(("set wsec error (%d)\n", err));
return err;
}
val = 0; /* assume open key. otherwise 1 */
val = htod32(val);
err = wl_dev_ioctl(dev, WLC_SET_AUTH, &val, sizeof(val));
if (unlikely(err)) {
WL_ERR(("WLC_SET_AUTH error (%d)\n", err));
return err;
}
return err;
}
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 wl_priv *wl = wiphy_to_wl(wiphy);
struct wl_security *sec;
s32 wsec;
s32 err = 0;
WL_DBG(("key index (%d)\n", key_idx));
CHECK_SYS_UP();
memset(&key, 0, sizeof(key));
key.index = key_idx;
swap_key_to_BE(&key);
memset(&params, 0, sizeof(params));
params.key_len = (u8) min_t(u8, DOT11_MAX_KEY_SIZE, key.len);
memcpy(params.key, key.data, params.key_len);
err = wl_dev_ioctl(dev, WLC_GET_WSEC, &wsec, sizeof(wsec));
if (unlikely(err)) {
WL_ERR(("WLC_GET_WSEC error (%d)\n", err));
return err;
}
wsec = dtoh32(wsec);
switch (wsec) {
case WEP_ENABLED:
sec = wl_read_prof(wl, 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;
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)
{
WL_INFO(("Not supported\n"));
CHECK_SYS_UP();
return -EOPNOTSUPP;
}
static s32
wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
scb_val_t scb_val;
int rssi;
s32 rate;
s32 err = 0;
CHECK_SYS_UP();
if (unlikely
(memcmp(mac, wl_read_prof(wl, WL_PROF_BSSID), ETHER_ADDR_LEN))) {
WL_ERR(("Wrong Mac address\n"));
return -ENOENT;
}
/* Report the current tx rate */
err = wl_dev_ioctl(dev, WLC_GET_RATE, &rate, sizeof(rate));
if (err) {
WL_ERR(("Could not get rate (%d)\n", err));
} else {
rate = dtoh32(rate);
sinfo->filled |= STATION_INFO_TX_BITRATE;
sinfo->txrate.legacy = rate * 5;
WL_DBG(("Rate %d Mbps\n", (rate / 2)));
}
if (test_bit(WL_STATUS_CONNECTED, &wl->status)) {
scb_val.val = 0;
err = wl_dev_ioctl(dev, WLC_GET_RSSI, &scb_val,
sizeof(scb_val_t));
if (unlikely(err)) {
WL_ERR(("Could not get rssi (%d)\n", err));
return err;
}
rssi = dtoh32(scb_val.val);
sinfo->filled |= STATION_INFO_SIGNAL;
sinfo->signal = rssi;
WL_DBG(("RSSI %d dBm\n", rssi));
}
return err;
}
static s32
wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
bool enabled, s32 timeout)
{
s32 pm;
s32 err = 0;
CHECK_SYS_UP();
pm = enabled ? PM_FAST : PM_OFF;
pm = htod32(pm);
WL_DBG(("power save %s\n", (pm ? "enabled" : "disabled")));
err = wl_dev_ioctl(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;
}
return err;
}
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_set_bitrate_mask(struct wiphy *wiphy, struct net_device *dev,
const u8 *addr,
const struct cfg80211_bitrate_mask *mask)
{
struct wl_rateset rateset;
s32 rate;
s32 val;
s32 err_bg;
s32 err_a;
u32 legacy;
s32 err = 0;
CHECK_SYS_UP();
/* addr param is always NULL. ignore it */
/* Get current rateset */
err = wl_dev_ioctl(dev, WLC_GET_CURR_RATESET, &rateset,
sizeof(rateset));
if (unlikely(err)) {
WL_ERR(("could not get current rateset (%d)\n", err));
return err;
}
rateset.count = dtoh32(rateset.count);
legacy = wl_find_msb(mask->control[IEEE80211_BAND_2GHZ].legacy);
if (!legacy)
legacy = wl_find_msb(mask->control[IEEE80211_BAND_5GHZ].legacy);
val = wl_g_rates[legacy - 1].bitrate * 100000;
if (val < rateset.count) {
/* Select rate by rateset index */
rate = rateset.rates[val] & 0x7f;
} else {
/* Specified rate in bps */
rate = val / 500000;
}
WL_DBG(("rate %d mbps\n", (rate / 2)));
/*
*
* Set rate override,
* Since the is a/b/g-blind, both a/bg_rate are enforced.
*/
err_bg = wl_dev_intvar_set(dev, "bg_rate", rate);
err_a = wl_dev_intvar_set(dev, "a_rate", rate);
if (unlikely(err_bg && err_a)) {
WL_ERR(("could not set fixed rate (%d) (%d)\n", err_bg, err_a));
return err_bg | err_a;
}
return err;
}
static s32 wl_cfg80211_resume(struct wiphy *wiphy)
{
s32 err = 0;
CHECK_SYS_UP();
wl_invoke_iscan(wiphy_to_wl(wiphy));
return err;
}
static s32 wl_cfg80211_suspend(struct wiphy *wiphy)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
struct net_device *ndev = wl_to_ndev(wl);
s32 err = 0;
CHECK_SYS_UP();
set_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
wl_term_iscan(wl);
if (wl->scan_request) {
cfg80211_scan_done(wl->scan_request, true); /* true means
abort */
wl_set_mpc(ndev, 1);
wl->scan_request = NULL;
}
clear_bit(WL_STATUS_SCANNING, &wl->status);
clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
return err;
}
static __used s32
wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list,
s32 err)
{
int i, j;
WL_DBG(("No of elements %d\n", pmk_list->pmkids.npmkid));
for (i = 0; i < pmk_list->pmkids.npmkid; 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 (likely(!err)) {
err = wl_dev_bufvar_set(dev, "pmkid_info", (char *)pmk_list,
sizeof(*pmk_list));
}
return err;
}
static s32
wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_pmksa *pmksa)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
s32 err = 0;
int i;
CHECK_SYS_UP();
for (i = 0; i < wl->pmk_list->pmkids.npmkid; i++)
if (!memcmp(pmksa->bssid, &wl->pmk_list->pmkids.pmkid[i].BSSID,
ETHER_ADDR_LEN))
break;
if (i < WL_NUM_PMKIDS_MAX) {
memcpy(&wl->pmk_list->pmkids.pmkid[i].BSSID, pmksa->bssid,
ETHER_ADDR_LEN);
memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID, pmksa->pmkid,
WPA2_PMKID_LEN);
if (i == wl->pmk_list->pmkids.npmkid)
wl->pmk_list->pmkids.npmkid++;
} else {
err = -EINVAL;
}
WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
&wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid].BSSID));
for (i = 0; i < WPA2_PMKID_LEN; i++) {
WL_DBG(("%02x\n",
wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid].
PMKID[i]));
}
err = wl_update_pmklist(dev, wl->pmk_list, err);
return err;
}
static s32
wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_pmksa *pmksa)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
struct _pmkid_list pmkid;
s32 err = 0;
int i;
CHECK_SYS_UP();
memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETHER_ADDR_LEN);
memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WPA2_PMKID_LEN);
WL_DBG(("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
&pmkid.pmkid[0].BSSID));
for (i = 0; i < WPA2_PMKID_LEN; i++) {
WL_DBG(("%02x\n", pmkid.pmkid[0].PMKID[i]));
}
for (i = 0; i < wl->pmk_list->pmkids.npmkid; i++)
if (!memcmp
(pmksa->bssid, &wl->pmk_list->pmkids.pmkid[i].BSSID,
ETHER_ADDR_LEN))
break;
if ((wl->pmk_list->pmkids.npmkid > 0)
&& (i < wl->pmk_list->pmkids.npmkid)) {
memset(&wl->pmk_list->pmkids.pmkid[i], 0, sizeof(pmkid_t));
for (; i < (wl->pmk_list->pmkids.npmkid - 1); i++) {
memcpy(&wl->pmk_list->pmkids.pmkid[i].BSSID,
&wl->pmk_list->pmkids.pmkid[i + 1].BSSID,
ETHER_ADDR_LEN);
memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID,
&wl->pmk_list->pmkids.pmkid[i + 1].PMKID,
WPA2_PMKID_LEN);
}
wl->pmk_list->pmkids.npmkid--;
} else {
err = -EINVAL;
}
err = wl_update_pmklist(dev, wl->pmk_list, err);
return err;
}
static s32
wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev)
{
struct wl_priv *wl = wiphy_to_wl(wiphy);
s32 err = 0;
CHECK_SYS_UP();
memset(wl->pmk_list, 0, sizeof(*wl->pmk_list));
err = wl_update_pmklist(dev, wl->pmk_list, err);
return err;
}
static struct cfg80211_ops wl_cfg80211_ops = {
.change_virtual_intf = wl_cfg80211_change_iface,
.scan = wl_cfg80211_scan,
.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,
.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,
.set_bitrate_mask = wl_cfg80211_set_bitrate_mask,
.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
};
static 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;
default:
return NL80211_IFTYPE_UNSPECIFIED;
}
return err;
}
static struct wireless_dev *wl_alloc_wdev(s32 sizeof_iface,
struct device *dev)
{
struct wireless_dev *wdev;
s32 err = 0;
wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
if (unlikely(!wdev)) {
WL_ERR(("Could not allocate wireless device\n"));
return ERR_PTR(-ENOMEM);
}
wdev->wiphy =
wiphy_new(&wl_cfg80211_ops, sizeof(struct wl_priv) + sizeof_iface);
if (unlikely(!wdev->wiphy)) {
WL_ERR(("Couldn not allocate wiphy device\n"));
err = -ENOMEM;
goto wiphy_new_out;
}
set_wiphy_dev(wdev->wiphy, dev);
wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
wdev->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set
* it as 11a by default.
* This will be updated with
* 11n phy tables in
* "ifconfig up"
* if phy has 11n capability
*/
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);
#ifndef WL_POWERSAVE_DISABLED
wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power
* save mode
* by default
*/
#else
wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
#endif /* !WL_POWERSAVE_DISABLED */
err = wiphy_register(wdev->wiphy);
if (unlikely(err < 0)) {
WL_ERR(("Couldn not register wiphy device (%d)\n", err));
goto wiphy_register_out;
}
return wdev;
wiphy_register_out:
wiphy_free(wdev->wiphy);
wiphy_new_out:
kfree(wdev);
return ERR_PTR(err);
}
static void wl_free_wdev(struct wl_priv *wl)
{
struct wireless_dev *wdev = wl_to_wdev(wl);
if (unlikely(!wdev)) {
WL_ERR(("wdev is invalid\n"));
return;
}
wiphy_unregister(wdev->wiphy);
wiphy_free(wdev->wiphy);
kfree(wdev);
wl_to_wdev(wl) = NULL;
}
static s32 wl_inform_bss(struct wl_priv *wl)
{
struct wl_scan_results *bss_list;
struct wl_bss_info *bi = NULL; /* must be initialized */
s32 err = 0;
int i;
bss_list = wl->bss_list;
if (unlikely(bss_list->version != WL_BSS_INFO_VERSION)) {
WL_ERR(("Version %d != WL_BSS_INFO_VERSION\n",
bss_list->version));
return -EOPNOTSUPP;
}
WL_DBG(("scanned AP count (%d)\n", bss_list->count));
bi = next_bss(bss_list, bi);
for_each_bss(bss_list, bi, i) {
err = wl_inform_single_bss(wl, bi);
if (unlikely(err))
break;
}
return err;
}
static s32 wl_inform_single_bss(struct wl_priv *wl, struct wl_bss_info *bi)
{
struct wiphy *wiphy = wl_to_wiphy(wl);
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(wl);
struct beacon_proberesp *beacon_proberesp;
s32 mgmt_type;
u32 signal;
u32 freq;
s32 err = 0;
if (unlikely(dtoh32(bi->length) > WL_BSS_INFO_MAX)) {
WL_DBG(("Beacon is larger than buffer. Discarding\n"));
return err;
}
notif_bss_info =
kzalloc(sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) +
WL_BSS_INFO_MAX, GFP_KERNEL);
if (unlikely(!notif_bss_info)) {
WL_ERR(("notif_bss_info alloc failed\n"));
return -ENOMEM;
}
mgmt = (struct ieee80211_mgmt *)notif_bss_info->frame_buf;
notif_bss_info->channel =
bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(bi->chanspec);
if (notif_bss_info->channel <= CH_MAX_2G_CHANNEL)
band = wiphy->bands[IEEE80211_BAND_2GHZ];
else
band = wiphy->bands[IEEE80211_BAND_5GHZ];
notif_bss_info->rssi = bi->RSSI;
memcpy(mgmt->bssid, &bi->BSSID, ETHER_ADDR_LEN);
mgmt_type = wl->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 = wl->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(wl);
/*
* wl_add_ie is not necessary because it can only add duplicated
* SSID, rate information to frame_buf
*/
/*
* wl_add_ie(wl, WLAN_EID_SSID, bi->SSID_len, bi->SSID);
* wl_add_ie(wl, WLAN_EID_SUPP_RATES, bi->rateset.count,
* bi->rateset.rates);
*/
wl_mrg_ie(wl, ((u8 *) bi) + bi->ie_offset, bi->ie_length);
wl_cp_ie(wl, 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(wl);
freq = ieee80211_channel_to_frequency(notif_bss_info->channel);
channel = ieee80211_get_channel(wiphy, freq);
WL_DBG(("SSID : \"%s\", rssi %d, channel %d, capability : 0x04%x, bssid %pM\n",
bi->SSID,
notif_bss_info->rssi, notif_bss_info->channel,
mgmt->u.beacon.capab_info, &bi->BSSID));
signal = notif_bss_info->rssi * 100;
if (unlikely(!cfg80211_inform_bss_frame(wiphy, channel, mgmt,
le16_to_cpu
(notif_bss_info->frame_len),
signal, GFP_KERNEL))) {
WL_ERR(("cfg80211_inform_bss_frame error\n"));
kfree(notif_bss_info);
return -EINVAL;
}
kfree(notif_bss_info);
return err;
}
static bool wl_is_linkup(struct wl_priv *wl, const wl_event_msg_t *e)
{
u32 event = ntoh32(e->event_type);
u16 flags = ntoh16(e->flags);
if (event == WLC_E_LINK) {
if (flags & WLC_EVENT_MSG_LINK) {
if (wl_is_ibssmode(wl)) {
if (wl_is_ibssstarter(wl)) {
}
} else {
return true;
}
}
}
return false;
}
static bool wl_is_linkdown(struct wl_priv *wl, 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) {
return true;
} else if (event == WLC_E_LINK) {
if (!(flags & WLC_EVENT_MSG_LINK))
return true;
}
return false;
}
static bool wl_is_nonetwork(struct wl_priv *wl, const wl_event_msg_t *e)
{
u32 event = ntoh32(e->event_type);
u32 status = ntoh32(e->status);
if (event == WLC_E_SET_SSID || event == WLC_E_LINK) {
if (status == WLC_E_STATUS_NO_NETWORKS)
return true;
}
return false;
}
static s32
wl_notify_connect_status(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
bool act;
s32 err = 0;
if (wl_is_linkup(wl, e)) {
wl_link_up(wl);
if (wl_is_ibssmode(wl)) {
cfg80211_ibss_joined(ndev, (s8 *)&e->addr,
GFP_KERNEL);
WL_DBG(("joined in IBSS network\n"));
} else {
wl_bss_connect_done(wl, ndev, e, data, true);
WL_DBG(("joined in BSS network \"%s\"\n",
((struct wlc_ssid *)
wl_read_prof(wl, WL_PROF_SSID))->SSID));
}
act = true;
wl_update_prof(wl, e, &act, WL_PROF_ACT);
} else if (wl_is_linkdown(wl, e)) {
cfg80211_disconnected(ndev, 0, NULL, 0, GFP_KERNEL);
clear_bit(WL_STATUS_CONNECTED, &wl->status);
wl_link_down(wl);
wl_init_prof(wl->profile);
} else if (wl_is_nonetwork(wl, e)) {
wl_bss_connect_done(wl, ndev, e, data, false);
}
return err;
}
static s32
wl_notify_roaming_status(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
bool act;
s32 err = 0;
wl_bss_roaming_done(wl, ndev, e, data);
act = true;
wl_update_prof(wl, e, &act, WL_PROF_ACT);
return err;
}
static __used s32
wl_dev_bufvar_set(struct net_device *dev, s8 *name, s8 *buf, s32 len)
{
struct wl_priv *wl = ndev_to_wl(dev);
u32 buflen;
buflen = bcm_mkiovar(name, buf, len, wl->ioctl_buf, WL_IOCTL_LEN_MAX);
BUG_ON(unlikely(!buflen));
return wl_dev_ioctl(dev, WLC_SET_VAR, wl->ioctl_buf, buflen);
}
static s32
wl_dev_bufvar_get(struct net_device *dev, s8 *name, s8 *buf,
s32 buf_len)
{
struct wl_priv *wl = ndev_to_wl(dev);
u32 len;
s32 err = 0;
len = bcm_mkiovar(name, NULL, 0, wl->ioctl_buf, WL_IOCTL_LEN_MAX);
BUG_ON(unlikely(!len));
err = wl_dev_ioctl(dev, WLC_GET_VAR, (void *)wl->ioctl_buf,
WL_IOCTL_LEN_MAX);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
memcpy(buf, wl->ioctl_buf, buf_len);
return err;
}
static s32 wl_get_assoc_ies(struct wl_priv *wl)
{
struct net_device *ndev = wl_to_ndev(wl);
struct wl_assoc_ielen *assoc_info;
struct wl_connect_info *conn_info = wl_to_conn(wl);
u32 req_len;
u32 resp_len;
s32 err = 0;
err = wl_dev_bufvar_get(ndev, "assoc_info", wl->extra_buf,
WL_ASSOC_INFO_MAX);
if (unlikely(err)) {
WL_ERR(("could not get assoc info (%d)\n", err));
return err;
}
assoc_info = (struct wl_assoc_ielen *)wl->extra_buf;
req_len = assoc_info->req_len;
resp_len = assoc_info->resp_len;
if (req_len) {
err = wl_dev_bufvar_get(ndev, "assoc_req_ies", wl->extra_buf,
WL_ASSOC_INFO_MAX);
if (unlikely(err)) {
WL_ERR(("could not get assoc req (%d)\n", err));
return err;
}
conn_info->req_ie_len = req_len;
conn_info->req_ie =
kmemdup(wl->extra_buf, conn_info->req_ie_len, GFP_KERNEL);
} else {
conn_info->req_ie_len = 0;
conn_info->req_ie = NULL;
}
if (resp_len) {
err = wl_dev_bufvar_get(ndev, "assoc_resp_ies", wl->extra_buf,
WL_ASSOC_INFO_MAX);
if (unlikely(err)) {
WL_ERR(("could not get assoc resp (%d)\n", err));
return err;
}
conn_info->resp_ie_len = resp_len;
conn_info->resp_ie =
kmemdup(wl->extra_buf, conn_info->resp_ie_len, GFP_KERNEL);
} else {
conn_info->resp_ie_len = 0;
conn_info->resp_ie = NULL;
}
WL_DBG(("req len (%d) resp len (%d)\n", conn_info->req_ie_len,
conn_info->resp_ie_len));
return err;
}
static void wl_ch_to_chanspec(int ch, struct wl_join_params *join_params,
size_t *join_params_size)
{
chanspec_t chanspec = 0;
if (ch != 0) {
join_params->params.chanspec_num = 1;
join_params->params.chanspec_list[0] = ch;
if (join_params->params.chanspec_list[0])
chanspec |= WL_CHANSPEC_BAND_2G;
else
chanspec |= WL_CHANSPEC_BAND_5G;
chanspec |= WL_CHANSPEC_BW_20;
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] =
htodchanspec(join_params->params.chanspec_list[0]);
join_params->params.chanspec_num =
htod32(join_params->params.chanspec_num);
WL_DBG(("join_params->params.chanspec_list[0]= %#X, channel %d, chanspec %#X\n",
join_params->params.chanspec_list[0], ch, chanspec));
}
}
static s32 wl_update_bss_info(struct wl_priv *wl)
{
struct cfg80211_bss *bss;
struct wl_bss_info *bi;
struct wlc_ssid *ssid;
struct bcm_tlv *tim;
u16 beacon_interval;
u8 dtim_period;
size_t ie_len;
u8 *ie;
s32 err = 0;
if (wl_is_ibssmode(wl))
return err;
ssid = (struct wlc_ssid *)wl_read_prof(wl, WL_PROF_SSID);
bss =
cfg80211_get_bss(wl_to_wiphy(wl), NULL, (s8 *)&wl->bssid,
ssid->SSID, ssid->SSID_len, WLAN_CAPABILITY_ESS,
WLAN_CAPABILITY_ESS);
rtnl_lock();
if (unlikely(!bss)) {
WL_DBG(("Could not find the AP\n"));
*(u32 *) wl->extra_buf = htod32(WL_EXTRA_BUF_MAX);
err = wl_dev_ioctl(wl_to_ndev(wl), WLC_GET_BSS_INFO,
wl->extra_buf, WL_EXTRA_BUF_MAX);
if (unlikely(err)) {
WL_ERR(("Could not get bss info %d\n", err));
goto update_bss_info_out;
}
bi = (struct wl_bss_info *)(wl->extra_buf + 4);
if (unlikely(memcmp(&bi->BSSID, &wl->bssid, ETHER_ADDR_LEN))) {
err = -EIO;
goto update_bss_info_out;
}
err = wl_inform_single_bss(wl, bi);
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));
ie = bss->information_elements;
ie_len = bss->len_information_elements;
beacon_interval = bss->beacon_interval;
cfg80211_put_bss(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 to dongle.
*/
err = wl_dev_ioctl(wl_to_ndev(wl), 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(wl, NULL, &beacon_interval, WL_PROF_BEACONINT);
wl_update_prof(wl, NULL, &dtim_period, WL_PROF_DTIMPERIOD);
update_bss_info_out:
rtnl_unlock();
return err;
}
static s32
wl_bss_roaming_done(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
struct wl_connect_info *conn_info = wl_to_conn(wl);
s32 err = 0;
wl_get_assoc_ies(wl);
memcpy(&wl->bssid, &e->addr, ETHER_ADDR_LEN);
wl_update_bss_info(wl);
cfg80211_roamed(ndev,
(u8 *)&wl->bssid,
conn_info->req_ie, conn_info->req_ie_len,
conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
WL_DBG(("Report roaming result\n"));
set_bit(WL_STATUS_CONNECTED, &wl->status);
return err;
}
static s32
wl_bss_connect_done(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data, bool completed)
{
struct wl_connect_info *conn_info = wl_to_conn(wl);
s32 err = 0;
wl_get_assoc_ies(wl);
memcpy(&wl->bssid, &e->addr, ETHER_ADDR_LEN);
wl_update_bss_info(wl);
if (test_and_clear_bit(WL_STATUS_CONNECTING, &wl->status)) {
cfg80211_connect_result(ndev,
(u8 *)&wl->bssid,
conn_info->req_ie,
conn_info->req_ie_len,
conn_info->resp_ie,
conn_info->resp_ie_len,
completed ? WLAN_STATUS_SUCCESS : WLAN_STATUS_AUTH_TIMEOUT,
GFP_KERNEL);
WL_DBG(("Report connect result - connection %s\n",
completed ? "succeeded" : "failed"));
} else {
cfg80211_roamed(ndev,
(u8 *)&wl->bssid,
conn_info->req_ie, conn_info->req_ie_len,
conn_info->resp_ie, conn_info->resp_ie_len,
GFP_KERNEL);
WL_DBG(("Report roaming result\n"));
}
set_bit(WL_STATUS_CONNECTED, &wl->status);
return err;
}
static s32
wl_notify_mic_status(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
u16 flags = ntoh16(e->flags);
enum nl80211_key_type key_type;
rtnl_lock();
if (flags & WLC_EVENT_MSG_GROUP)
key_type = NL80211_KEYTYPE_GROUP;
else
key_type = NL80211_KEYTYPE_PAIRWISE;
cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1,
NULL, GFP_KERNEL);
rtnl_unlock();
return 0;
}
static s32
wl_notify_scan_status(struct wl_priv *wl, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
struct channel_info channel_inform;
struct wl_scan_results *bss_list;
u32 len = WL_SCAN_BUF_MAX;
s32 err = 0;
if (wl->iscan_on && wl->iscan_kickstart)
return wl_wakeup_iscan(wl_to_iscan(wl));
if (unlikely(!test_and_clear_bit(WL_STATUS_SCANNING, &wl->status))) {
WL_ERR(("Scan complete while device not scanning\n"));
return -EINVAL;
}
if (unlikely(!wl->scan_request)) {
}
rtnl_lock();
err = wl_dev_ioctl(ndev, WLC_GET_CHANNEL, &channel_inform,
sizeof(channel_inform));
if (unlikely(err)) {
WL_ERR(("scan busy (%d)\n", err));
goto scan_done_out;
}
channel_inform.scan_channel = dtoh32(channel_inform.scan_channel);
if (unlikely(channel_inform.scan_channel)) {
WL_DBG(("channel_inform.scan_channel (%d)\n",
channel_inform.scan_channel));
}
wl->bss_list = wl->scan_results;
bss_list = wl->bss_list;
memset(bss_list, 0, len);
bss_list->buflen = htod32(len);
err = wl_dev_ioctl(ndev, WLC_SCAN_RESULTS, bss_list, len);
if (unlikely(err)) {
WL_ERR(("%s Scan_results error (%d)\n", ndev->name, err));
err = -EINVAL;
goto scan_done_out;
}
bss_list->buflen = dtoh32(bss_list->buflen);
bss_list->version = dtoh32(bss_list->version);
bss_list->count = dtoh32(bss_list->count);
err = wl_inform_bss(wl);
if (err)
goto scan_done_out;
scan_done_out:
if (wl->scan_request) {
cfg80211_scan_done(wl->scan_request, false);
wl_set_mpc(ndev, 1);
wl->scan_request = NULL;
}
rtnl_unlock();
return err;
}
static void wl_init_conf(struct wl_conf *conf)
{
conf->mode = (u32)-1;
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 wl_profile *prof)
{
memset(prof, 0, sizeof(*prof));
}
static void wl_init_eloop_handler(struct wl_event_loop *el)
{
memset(el, 0, sizeof(*el));
el->handler[WLC_E_SCAN_COMPLETE] = wl_notify_scan_status;
el->handler[WLC_E_JOIN] = wl_notify_connect_status;
el->handler[WLC_E_LINK] = wl_notify_connect_status;
el->handler[WLC_E_DEAUTH_IND] = wl_notify_connect_status;
el->handler[WLC_E_DISASSOC_IND] = wl_notify_connect_status;
el->handler[WLC_E_ASSOC_IND] = wl_notify_connect_status;
el->handler[WLC_E_REASSOC_IND] = wl_notify_connect_status;
el->handler[WLC_E_ROAM] = wl_notify_roaming_status;
el->handler[WLC_E_MIC_ERROR] = wl_notify_mic_status;
el->handler[WLC_E_SET_SSID] = wl_notify_connect_status;
}
static s32 wl_init_priv_mem(struct wl_priv *wl)
{
wl->scan_results = (void *)kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL);
if (unlikely(!wl->scan_results)) {
WL_ERR(("Scan results alloc failed\n"));
goto init_priv_mem_out;
}
wl->conf = (void *)kzalloc(sizeof(*wl->conf), GFP_KERNEL);
if (unlikely(!wl->conf)) {
WL_ERR(("wl_conf alloc failed\n"));
goto init_priv_mem_out;
}
wl->profile = (void *)kzalloc(sizeof(*wl->profile), GFP_KERNEL);
if (unlikely(!wl->profile)) {
WL_ERR(("wl_profile alloc failed\n"));
goto init_priv_mem_out;
}
wl->bss_info = (void *)kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
if (unlikely(!wl->bss_info)) {
WL_ERR(("Bss information alloc failed\n"));
goto init_priv_mem_out;
}
wl->scan_req_int =
(void *)kzalloc(sizeof(*wl->scan_req_int), GFP_KERNEL);
if (unlikely(!wl->scan_req_int)) {
WL_ERR(("Scan req alloc failed\n"));
goto init_priv_mem_out;
}
wl->ioctl_buf = (void *)kzalloc(WL_IOCTL_LEN_MAX, GFP_KERNEL);
if (unlikely(!wl->ioctl_buf)) {
WL_ERR(("Ioctl buf alloc failed\n"));
goto init_priv_mem_out;
}
wl->extra_buf = (void *)kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
if (unlikely(!wl->extra_buf)) {
WL_ERR(("Extra buf alloc failed\n"));
goto init_priv_mem_out;
}
wl->iscan = (void *)kzalloc(sizeof(*wl->iscan), GFP_KERNEL);
if (unlikely(!wl->iscan)) {
WL_ERR(("Iscan buf alloc failed\n"));
goto init_priv_mem_out;
}
wl->fw = (void *)kzalloc(sizeof(*wl->fw), GFP_KERNEL);
if (unlikely(!wl->fw)) {
WL_ERR(("fw object alloc failed\n"));
goto init_priv_mem_out;
}
wl->pmk_list = (void *)kzalloc(sizeof(*wl->pmk_list), GFP_KERNEL);
if (unlikely(!wl->pmk_list)) {
WL_ERR(("pmk list alloc failed\n"));
goto init_priv_mem_out;
}
return 0;
init_priv_mem_out:
wl_deinit_priv_mem(wl);
return -ENOMEM;
}
static void wl_deinit_priv_mem(struct wl_priv *wl)
{
kfree(wl->scan_results);
wl->scan_results = NULL;
kfree(wl->bss_info);
wl->bss_info = NULL;
kfree(wl->conf);
wl->conf = NULL;
kfree(wl->profile);
wl->profile = NULL;
kfree(wl->scan_req_int);
wl->scan_req_int = NULL;
kfree(wl->ioctl_buf);
wl->ioctl_buf = NULL;
kfree(wl->extra_buf);
wl->extra_buf = NULL;
kfree(wl->iscan);
wl->iscan = NULL;
kfree(wl->fw);
wl->fw = NULL;
kfree(wl->pmk_list);
wl->pmk_list = NULL;
}
static s32 wl_create_event_handler(struct wl_priv *wl)
{
sema_init(&wl->event_sync, 0);
wl->event_tsk = kthread_run(wl_event_handler, wl, "wl_event_handler");
if (IS_ERR(wl->event_tsk)) {
wl->event_tsk = NULL;
WL_ERR(("failed to create event thread\n"));
return -ENOMEM;
}
return 0;
}
static void wl_destroy_event_handler(struct wl_priv *wl)
{
if (wl->event_tsk) {
send_sig(SIGTERM, wl->event_tsk, 1);
kthread_stop(wl->event_tsk);
wl->event_tsk = NULL;
}
}
static void wl_term_iscan(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl_to_iscan(wl);
if (wl->iscan_on && iscan->tsk) {
iscan->state = WL_ISCAN_STATE_IDLE;
send_sig(SIGTERM, iscan->tsk, 1);
kthread_stop(iscan->tsk);
iscan->tsk = NULL;
}
}
static void wl_notify_iscan_complete(struct wl_iscan_ctrl *iscan, bool aborted)
{
struct wl_priv *wl = iscan_to_wl(iscan);
struct net_device *ndev = wl_to_ndev(wl);
if (unlikely(!test_and_clear_bit(WL_STATUS_SCANNING, &wl->status))) {
WL_ERR(("Scan complete while device not scanning\n"));
return;
}
if (likely(wl->scan_request)) {
cfg80211_scan_done(wl->scan_request, aborted);
wl_set_mpc(ndev, 1);
wl->scan_request = NULL;
}
wl->iscan_kickstart = false;
}
static s32 wl_wakeup_iscan(struct wl_iscan_ctrl *iscan)
{
if (likely(iscan->state != WL_ISCAN_STATE_IDLE)) {
WL_DBG(("wake up iscan\n"));
up(&iscan->sync);
return 0;
}
return -EIO;
}
static s32
wl_get_iscan_results(struct wl_iscan_ctrl *iscan, u32 *status,
struct wl_scan_results **bss_list)
{
struct wl_iscan_results list;
struct wl_scan_results *results;
struct wl_iscan_results *list_buf;
s32 err = 0;
memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX);
list_buf = (struct wl_iscan_results *)iscan->scan_buf;
results = &list_buf->results;
results->buflen = WL_ISCAN_RESULTS_FIXED_SIZE;
results->version = 0;
results->count = 0;
memset(&list, 0, sizeof(list));
list.results.buflen = htod32(WL_ISCAN_BUF_MAX);
err = wl_dev_iovar_getbuf(iscan->dev, "iscanresults", &list,
WL_ISCAN_RESULTS_FIXED_SIZE, iscan->scan_buf,
WL_ISCAN_BUF_MAX);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
results->buflen = dtoh32(results->buflen);
results->version = dtoh32(results->version);
results->count = dtoh32(results->count);
WL_DBG(("results->count = %d\n", results->count));
WL_DBG(("results->buflen = %d\n", results->buflen));
*status = dtoh32(list_buf->status);
*bss_list = results;
return err;
}
static s32 wl_iscan_done(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl->iscan;
s32 err = 0;
iscan->state = WL_ISCAN_STATE_IDLE;
rtnl_lock();
wl_inform_bss(wl);
wl_notify_iscan_complete(iscan, false);
rtnl_unlock();
return err;
}
static s32 wl_iscan_pending(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl->iscan;
s32 err = 0;
/* Reschedule the timer */
mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
iscan->timer_on = 1;
return err;
}
static s32 wl_iscan_inprogress(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl->iscan;
s32 err = 0;
rtnl_lock();
wl_inform_bss(wl);
wl_run_iscan(iscan, NULL, WL_SCAN_ACTION_CONTINUE);
rtnl_unlock();
/* Reschedule the timer */
mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
iscan->timer_on = 1;
return err;
}
static s32 wl_iscan_aborted(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl->iscan;
s32 err = 0;
iscan->state = WL_ISCAN_STATE_IDLE;
rtnl_lock();
wl_notify_iscan_complete(iscan, true);
rtnl_unlock();
return err;
}
static s32 wl_iscan_thread(void *data)
{
struct sched_param param = {.sched_priority = MAX_RT_PRIO - 1 };
struct wl_iscan_ctrl *iscan = (struct wl_iscan_ctrl *)data;
struct wl_priv *wl = iscan_to_wl(iscan);
struct wl_iscan_eloop *el = &iscan->el;
u32 status;
int err = 0;
sched_setscheduler(current, SCHED_FIFO, &param);
allow_signal(SIGTERM);
status = WL_SCAN_RESULTS_PARTIAL;
while (likely(!down_interruptible(&iscan->sync))) {
if (kthread_should_stop())
break;
if (iscan->timer_on) {
del_timer_sync(&iscan->timer);
iscan->timer_on = 0;
}
rtnl_lock();
err = wl_get_iscan_results(iscan, &status, &wl->bss_list);
if (unlikely(err)) {
status = WL_SCAN_RESULTS_ABORTED;
WL_ERR(("Abort iscan\n"));
}
rtnl_unlock();
el->handler[status] (wl);
}
if (iscan->timer_on) {
del_timer_sync(&iscan->timer);
iscan->timer_on = 0;
}
WL_DBG(("%s was terminated\n", __func__));
return 0;
}
static void wl_iscan_timer(unsigned long data)
{
struct wl_iscan_ctrl *iscan = (struct wl_iscan_ctrl *)data;
if (iscan) {
iscan->timer_on = 0;
WL_DBG(("timer expired\n"));
wl_wakeup_iscan(iscan);
}
}
static s32 wl_invoke_iscan(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl_to_iscan(wl);
int err = 0;
if (wl->iscan_on && !iscan->tsk) {
iscan->state = WL_ISCAN_STATE_IDLE;
sema_init(&iscan->sync, 0);
iscan->tsk = kthread_run(wl_iscan_thread, iscan, "wl_iscan");
if (IS_ERR(iscan->tsk)) {
WL_ERR(("Could not create iscan thread\n"));
iscan->tsk = NULL;
return -ENOMEM;
}
}
return err;
}
static void wl_init_iscan_eloop(struct wl_iscan_eloop *el)
{
memset(el, 0, sizeof(*el));
el->handler[WL_SCAN_RESULTS_SUCCESS] = wl_iscan_done;
el->handler[WL_SCAN_RESULTS_PARTIAL] = wl_iscan_inprogress;
el->handler[WL_SCAN_RESULTS_PENDING] = wl_iscan_pending;
el->handler[WL_SCAN_RESULTS_ABORTED] = wl_iscan_aborted;
el->handler[WL_SCAN_RESULTS_NO_MEM] = wl_iscan_aborted;
}
static s32 wl_init_iscan(struct wl_priv *wl)
{
struct wl_iscan_ctrl *iscan = wl_to_iscan(wl);
int err = 0;
if (wl->iscan_on) {
iscan->dev = wl_to_ndev(wl);
iscan->state = WL_ISCAN_STATE_IDLE;
wl_init_iscan_eloop(&iscan->el);
iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS;
init_timer(&iscan->timer);
iscan->timer.data = (unsigned long) iscan;
iscan->timer.function = wl_iscan_timer;
sema_init(&iscan->sync, 0);
iscan->tsk = kthread_run(wl_iscan_thread, iscan, "wl_iscan");
if (IS_ERR(iscan->tsk)) {
WL_ERR(("Could not create iscan thread\n"));
iscan->tsk = NULL;
return -ENOMEM;
}
iscan->data = wl;
}
return err;
}
static void wl_init_fw(struct wl_fw_ctrl *fw)
{
fw->status = 0; /* init fw loading status.
0 means nothing was loaded yet */
}
static s32 wl_init_priv(struct wl_priv *wl)
{
struct wiphy *wiphy = wl_to_wiphy(wl);
s32 err = 0;
wl->scan_request = NULL;
wl->pwr_save = !!(wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT);
wl->iscan_on = true; /* iscan on & off switch.
we enable iscan per default */
wl->roam_on = false; /* roam on & off switch.
we enable roam per default */
wl->iscan_kickstart = false;
wl->active_scan = true; /* we do active scan for
specific scan per default */
wl->dongle_up = false; /* dongle is not up yet */
wl_init_eq(wl);
err = wl_init_priv_mem(wl);
if (unlikely(err))
return err;
if (unlikely(wl_create_event_handler(wl)))
return -ENOMEM;
wl_init_eloop_handler(&wl->el);
mutex_init(&wl->usr_sync);
err = wl_init_iscan(wl);
if (unlikely(err))
return err;
wl_init_fw(wl->fw);
wl_init_conf(wl->conf);
wl_init_prof(wl->profile);
wl_link_down(wl);
return err;
}
static void wl_deinit_priv(struct wl_priv *wl)
{
wl_destroy_event_handler(wl);
wl->dongle_up = false; /* dongle down */
wl_flush_eq(wl);
wl_link_down(wl);
wl_term_iscan(wl);
wl_deinit_priv_mem(wl);
}
s32 wl_cfg80211_attach(struct net_device *ndev, void *data)
{
struct wireless_dev *wdev;
struct wl_priv *wl;
struct wl_iface *ci;
s32 err = 0;
if (unlikely(!ndev)) {
WL_ERR(("ndev is invaild\n"));
return -ENODEV;
}
wl_cfg80211_dev = kzalloc(sizeof(struct wl_dev), GFP_KERNEL);
if (unlikely(!wl_cfg80211_dev)) {
WL_ERR(("wl_cfg80211_dev is invalid\n"));
return -ENOMEM;
}
WL_DBG(("func %p\n", wl_cfg80211_get_sdio_func()));
wdev = wl_alloc_wdev(sizeof(struct wl_iface), &wl_cfg80211_get_sdio_func()->dev);
if (unlikely(IS_ERR(wdev)))
return -ENOMEM;
wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS);
wl = wdev_to_wl(wdev);
wl->wdev = wdev;
wl->pub = data;
ci = (struct wl_iface *)wl_to_ci(wl);
ci->wl = wl;
ndev->ieee80211_ptr = wdev;
SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
wdev->netdev = ndev;
err = wl_init_priv(wl);
if (unlikely(err)) {
WL_ERR(("Failed to init iwm_priv (%d)\n", err));
goto cfg80211_attach_out;
}
wl_set_drvdata(wl_cfg80211_dev, ci);
set_bit(WL_STATUS_READY, &wl->status);
return err;
cfg80211_attach_out:
wl_free_wdev(wl);
return err;
}
void wl_cfg80211_detach(void)
{
struct wl_priv *wl;
wl = WL_PRIV_GET();
wl_deinit_priv(wl);
wl_free_wdev(wl);
wl_set_drvdata(wl_cfg80211_dev, NULL);
kfree(wl_cfg80211_dev);
wl_cfg80211_dev = NULL;
wl_clear_sdio_func();
}
static void wl_wakeup_event(struct wl_priv *wl)
{
up(&wl->event_sync);
}
static s32 wl_event_handler(void *data)
{
struct wl_priv *wl = (struct wl_priv *)data;
struct sched_param param = {.sched_priority = MAX_RT_PRIO - 1 };
struct wl_event_q *e;
sched_setscheduler(current, SCHED_FIFO, &param);
allow_signal(SIGTERM);
while (likely(!down_interruptible(&wl->event_sync))) {
if (kthread_should_stop())
break;
e = wl_deq_event(wl);
if (unlikely(!e)) {
WL_ERR(("eqeue empty..\n"));
BUG();
}
WL_DBG(("event type (%d)\n", e->etype));
if (wl->el.handler[e->etype]) {
wl->el.handler[e->etype] (wl, wl_to_ndev(wl), &e->emsg,
e->edata);
} else {
WL_DBG(("Unknown Event (%d): ignoring\n", e->etype));
}
wl_put_event(e);
}
WL_DBG(("%s was terminated\n", __func__));
return 0;
}
void
wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data)
{
u32 event_type = ntoh32(e->event_type);
struct wl_priv *wl = ndev_to_wl(ndev);
#if (WL_DBG_LEVEL > 0)
s8 *estr = (event_type <= sizeof(wl_dbg_estr) / WL_DBG_ESTR_MAX - 1) ?
wl_dbg_estr[event_type] : (s8 *) "Unknown";
#endif /* (WL_DBG_LEVEL > 0) */
WL_DBG(("event_type (%d):" "WLC_E_" "%s\n", event_type, estr));
if (likely(!wl_enq_event(wl, event_type, e, data)))
wl_wakeup_event(wl);
}
static void wl_init_eq(struct wl_priv *wl)
{
wl_init_eq_lock(wl);
INIT_LIST_HEAD(&wl->eq_list);
}
static void wl_flush_eq(struct wl_priv *wl)
{
struct wl_event_q *e;
wl_lock_eq(wl);
while (!list_empty(&wl->eq_list)) {
e = list_first_entry(&wl->eq_list, struct wl_event_q, eq_list);
list_del(&e->eq_list);
kfree(e);
}
wl_unlock_eq(wl);
}
/*
* retrieve first queued event from head
*/
static struct wl_event_q *wl_deq_event(struct wl_priv *wl)
{
struct wl_event_q *e = NULL;
wl_lock_eq(wl);
if (likely(!list_empty(&wl->eq_list))) {
e = list_first_entry(&wl->eq_list, struct wl_event_q, eq_list);
list_del(&e->eq_list);
}
wl_unlock_eq(wl);
return e;
}
/*
** push event to tail of the queue
*/
static s32
wl_enq_event(struct wl_priv *wl, u32 event, const wl_event_msg_t *msg,
void *data)
{
struct wl_event_q *e;
s32 err = 0;
e = kzalloc(sizeof(struct wl_event_q), GFP_KERNEL);
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) {
}
wl_lock_eq(wl);
list_add_tail(&e->eq_list, &wl->eq_list);
wl_unlock_eq(wl);
return err;
}
static void wl_put_event(struct wl_event_q *e)
{
kfree(e);
}
void wl_cfg80211_sdio_func(void *func)
{
cfg80211_sdio_func = (struct sdio_func *)func;
}
static void wl_clear_sdio_func(void)
{
cfg80211_sdio_func = NULL;
}
struct sdio_func *wl_cfg80211_get_sdio_func(void)
{
return cfg80211_sdio_func;
}
static s32 wl_dongle_mode(struct net_device *ndev, s32 iftype)
{
s32 infra = 0;
s32 ap = 0;
s32 err = 0;
switch (iftype) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_WDS:
WL_ERR(("type (%d) : currently we do not support this mode\n",
iftype));
err = -EINVAL;
return err;
case NL80211_IFTYPE_ADHOC:
break;
case NL80211_IFTYPE_STATION:
infra = 1;
break;
default:
err = -EINVAL;
WL_ERR(("invalid type (%d)\n", iftype));
return err;
}
infra = htod32(infra);
ap = htod32(ap);
WL_DBG(("%s ap (%d), infra (%d)\n", ndev->name, ap, infra));
err = wl_dev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(infra));
if (unlikely(err)) {
WL_ERR(("WLC_SET_INFRA error (%d)\n", err));
return err;
}
err = wl_dev_ioctl(ndev, WLC_SET_AP, &ap, sizeof(ap));
if (unlikely(err)) {
WL_ERR(("WLC_SET_AP error (%d)\n", err));
return err;
}
return -EINPROGRESS;
}
#ifndef EMBEDDED_PLATFORM
static s32 wl_dongle_country(struct net_device *ndev, u8 ccode)
{
s32 err = 0;
return err;
}
static s32 wl_dongle_up(struct net_device *ndev, u32 up)
{
s32 err = 0;
err = wl_dev_ioctl(ndev, WLC_UP, &up, sizeof(up));
if (unlikely(err)) {
WL_ERR(("WLC_UP error (%d)\n", err));
}
return err;
}
static s32 wl_dongle_power(struct net_device *ndev, u32 power_mode)
{
s32 err = 0;
err = wl_dev_ioctl(ndev, WLC_SET_PM, &power_mode, sizeof(power_mode));
if (unlikely(err)) {
WL_ERR(("WLC_SET_PM error (%d)\n", err));
}
return err;
}
static s32
wl_dongle_glom(struct net_device *ndev, u32 glom, u32 dongle_align)
{
s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" +
'\0' + bitvec */
s32 err = 0;
/* Match Host and Dongle rx alignment */
bcm_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf,
sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (unlikely(err)) {
WL_ERR(("txglomalign error (%d)\n", err));
goto dongle_glom_out;
}
/* disable glom option per default */
bcm_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (unlikely(err)) {
WL_ERR(("txglom error (%d)\n", err));
goto dongle_glom_out;
}
dongle_glom_out:
return err;
}
static s32
wl_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout)
{
s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" +
'\0' + bitvec */
s32 err = 0;
/* Setup timeout if Beacons are lost and roam is
off to report link down */
if (roamvar) {
bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf,
sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (unlikely(err)) {
WL_ERR(("bcn_timeout error (%d)\n", err));
goto dongle_rom_out;
}
}
/* Enable/Disable built-in roaming to allow supplicant
to take care of roaming */
bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (unlikely(err)) {
WL_ERR(("roam_off error (%d)\n", err));
goto dongle_rom_out;
}
dongle_rom_out:
return err;
}
static s32 wl_dongle_eventmsg(struct net_device *ndev)
{
s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" +
'\0' + bitvec */
s8 eventmask[WL_EVENTING_MASK_LEN];
s32 err = 0;
/* Setup event_msgs */
bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf,
sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_GET_VAR, iovbuf, sizeof(iovbuf));
if (unlikely(err)) {
WL_ERR(("Get event_msgs error (%d)\n", err));
goto dongle_eventmsg_out;
}
memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN);
setbit(eventmask, WLC_E_SET_SSID);
setbit(eventmask, WLC_E_PRUNE);
setbit(eventmask, WLC_E_AUTH);
setbit(eventmask, WLC_E_REASSOC);
setbit(eventmask, WLC_E_REASSOC_IND);
setbit(eventmask, WLC_E_DEAUTH_IND);
setbit(eventmask, WLC_E_DISASSOC_IND);
setbit(eventmask, WLC_E_DISASSOC);
setbit(eventmask, WLC_E_JOIN);
setbit(eventmask, WLC_E_ASSOC_IND);
setbit(eventmask, WLC_E_PSK_SUP);
setbit(eventmask, WLC_E_LINK);
setbit(eventmask, WLC_E_NDIS_LINK);
setbit(eventmask, WLC_E_MIC_ERROR);
setbit(eventmask, WLC_E_PMKID_CACHE);
setbit(eventmask, WLC_E_TXFAIL);
setbit(eventmask, WLC_E_JOIN_START);
setbit(eventmask, WLC_E_SCAN_COMPLETE);
bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf,
sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (unlikely(err)) {
WL_ERR(("Set event_msgs error (%d)\n", err));
goto dongle_eventmsg_out;
}
dongle_eventmsg_out:
return err;
}
static s32
wl_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time,
s32 scan_unassoc_time)
{
s32 err = 0;
err = wl_dev_ioctl(ndev, WLC_SET_SCAN_CHANNEL_TIME, &scan_assoc_time,
sizeof(scan_assoc_time));
if (err) {
if (err == -EOPNOTSUPP) {
WL_INFO(("Scan assoc time is not supported\n"));
} else {
WL_ERR(("Scan assoc time error (%d)\n", err));
}
goto dongle_scantime_out;
}
err = wl_dev_ioctl(ndev, WLC_SET_SCAN_UNASSOC_TIME, &scan_unassoc_time,
sizeof(scan_unassoc_time));
if (err) {
if (err == -EOPNOTSUPP) {
WL_INFO(("Scan unassoc time is not supported\n"));
} else {
WL_ERR(("Scan unassoc time error (%d)\n", err));
}
goto dongle_scantime_out;
}
dongle_scantime_out:
return err;
}
static s32
wl_dongle_offload(struct net_device *ndev, s32 arpoe, s32 arp_ol)
{
s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" +
'\0' + bitvec */
s32 err = 0;
/* Set ARP offload */
bcm_mkiovar("arpoe", (char *)&arpoe, 4, iovbuf, sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (err) {
if (err == -EOPNOTSUPP)
WL_INFO(("arpoe is not supported\n"));
else
WL_ERR(("arpoe error (%d)\n", err));
goto dongle_offload_out;
}
bcm_mkiovar("arp_ol", (char *)&arp_ol, 4, iovbuf, sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (err) {
if (err == -EOPNOTSUPP)
WL_INFO(("arp_ol is not supported\n"));
else
WL_ERR(("arp_ol error (%d)\n", err));
goto dongle_offload_out;
}
dongle_offload_out:
return err;
}
static s32 wl_pattern_atoh(s8 *src, s8 *dst)
{
int i;
if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
WL_ERR(("Mask invalid format. Needs to start with 0x\n"));
return -1;
}
src = src + 2; /* Skip past 0x */
if (strlen(src) % 2 != 0) {
WL_ERR(("Mask invalid format. Needs to be of even length\n"));
return -1;
}
for (i = 0; *src != '\0'; i++) {
char num[3];
strncpy(num, src, 2);
num[2] = '\0';
dst[i] = (u8) simple_strtoul(num, NULL, 16);
src += 2;
}
return i;
}
static s32 wl_dongle_filter(struct net_device *ndev, u32 filter_mode)
{
s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" +
'\0' + bitvec */
const s8 *str;
struct wl_pkt_filter pkt_filter;
struct wl_pkt_filter *pkt_filterp;
s32 buf_len;
s32 str_len;
u32 mask_size;
u32 pattern_size;
s8 buf[256];
s32 err = 0;
/* add a default packet filter pattern */
str = "pkt_filter_add";
str_len = strlen(str);
strncpy(buf, str, str_len);
buf[str_len] = '\0';
buf_len = str_len + 1;
pkt_filterp = (struct wl_pkt_filter *)(buf + str_len + 1);
/* Parse packet filter id. */
pkt_filter.id = htod32(100);
/* Parse filter polarity. */
pkt_filter.negate_match = htod32(0);
/* Parse filter type. */
pkt_filter.type = htod32(0);
/* Parse pattern filter offset. */
pkt_filter.u.pattern.offset = htod32(0);
/* Parse pattern filter mask. */
mask_size = htod32(wl_pattern_atoh("0xff",
(char *)pkt_filterp->u.pattern.
mask_and_pattern));
/* Parse pattern filter pattern. */
pattern_size = htod32(wl_pattern_atoh("0x00",
(char *)&pkt_filterp->u.pattern.
mask_and_pattern[mask_size]));
if (mask_size != pattern_size) {
WL_ERR(("Mask and pattern not the same size\n"));
err = -EINVAL;
goto dongle_filter_out;
}
pkt_filter.u.pattern.size_bytes = mask_size;
buf_len += WL_PKT_FILTER_FIXED_LEN;
buf_len += (WL_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);
/* Keep-alive attributes are set in local
* variable (keep_alive_pkt), and
* then memcpy'ed into buffer (keep_alive_pktp) since there is no
* guarantee that the buffer is properly aligned.
*/
memcpy((char *)pkt_filterp, &pkt_filter,
WL_PKT_FILTER_FIXED_LEN + WL_PKT_FILTER_PATTERN_FIXED_LEN);
err = wl_dev_ioctl(ndev, WLC_SET_VAR, buf, buf_len);
if (err) {
if (err == -EOPNOTSUPP) {
WL_INFO(("filter not supported\n"));
} else {
WL_ERR(("filter (%d)\n", err));
}
goto dongle_filter_out;
}
/* set mode to allow pattern */
bcm_mkiovar("pkt_filter_mode", (char *)&filter_mode, 4, iovbuf,
sizeof(iovbuf));
err = wl_dev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
if (err) {
if (err == -EOPNOTSUPP) {
WL_INFO(("filter_mode not supported\n"));
} else {
WL_ERR(("filter_mode (%d)\n", err));
}
goto dongle_filter_out;
}
dongle_filter_out:
return err;
}
#endif /* !EMBEDDED_PLATFORM */
s32 wl_config_dongle(struct wl_priv *wl, bool need_lock)
{
#ifndef DHD_SDALIGN
#define DHD_SDALIGN 32
#endif
struct net_device *ndev;
struct wireless_dev *wdev;
s32 err = 0;
if (wl->dongle_up)
return err;
ndev = wl_to_ndev(wl);
wdev = ndev->ieee80211_ptr;
if (need_lock)
rtnl_lock();
#ifndef EMBEDDED_PLATFORM
err = wl_dongle_up(ndev, 0);
if (unlikely(err))
goto default_conf_out;
err = wl_dongle_country(ndev, 0);
if (unlikely(err))
goto default_conf_out;
err = wl_dongle_power(ndev, PM_FAST);
if (unlikely(err))
goto default_conf_out;
err = wl_dongle_glom(ndev, 0, DHD_SDALIGN);
if (unlikely(err))
goto default_conf_out;
err = wl_dongle_roam(ndev, (wl->roam_on ? 0 : 1), 3);
if (unlikely(err))
goto default_conf_out;
err = wl_dongle_eventmsg(ndev);
if (unlikely(err))
goto default_conf_out;
wl_dongle_scantime(ndev, 40, 80);
wl_dongle_offload(ndev, 1, 0xf);
wl_dongle_filter(ndev, 1);
#endif /* !EMBEDDED_PLATFORM */
err = wl_dongle_mode(ndev, wdev->iftype);
if (unlikely(err && err != -EINPROGRESS))
goto default_conf_out;
err = wl_dongle_probecap(wl);
if (unlikely(err))
goto default_conf_out;
/* -EINPROGRESS: Call commit handler */
default_conf_out:
if (need_lock)
rtnl_unlock();
wl->dongle_up = true;
return err;
}
static s32 wl_update_wiphybands(struct wl_priv *wl)
{
struct wiphy *wiphy;
s32 phy_list;
s8 phy;
s32 err = 0;
err = wl_dev_ioctl(wl_to_ndev(wl), WLC_GET_PHYLIST, &phy_list,
sizeof(phy_list));
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
phy = ((char *)&phy_list)[1];
WL_DBG(("%c phy\n", phy));
if (phy == 'n' || phy == 'a') {
wiphy = wl_to_wiphy(wl);
wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n;
}
return err;
}
static s32 __wl_cfg80211_up(struct wl_priv *wl)
{
s32 err = 0;
wl_debugfs_add_netdev_params(wl);
err = wl_config_dongle(wl, false);
if (unlikely(err))
return err;
wl_invoke_iscan(wl);
set_bit(WL_STATUS_READY, &wl->status);
return err;
}
static s32 __wl_cfg80211_down(struct wl_priv *wl)
{
s32 err = 0;
/* Check if cfg80211 interface is already down */
if (!test_bit(WL_STATUS_READY, &wl->status))
return err; /* it is even not ready */
set_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
wl_term_iscan(wl);
if (wl->scan_request) {
cfg80211_scan_done(wl->scan_request, true); /* true
means abort */
/* wl_set_mpc(wl_to_ndev(wl), 1); */ /* BUG
* this operation cannot help
* but here because sdio
* is already down through
* rmmod process.
* Need to figure out how to
* address this issue
*/
wl->scan_request = NULL;
}
clear_bit(WL_STATUS_READY, &wl->status);
clear_bit(WL_STATUS_SCANNING, &wl->status);
clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
clear_bit(WL_STATUS_CONNECTED, &wl->status);
wl_debugfs_remove_netdev(wl);
return err;
}
s32 wl_cfg80211_up(void)
{
struct wl_priv *wl;
s32 err = 0;
wl = WL_PRIV_GET();
mutex_lock(&wl->usr_sync);
err = __wl_cfg80211_up(wl);
mutex_unlock(&wl->usr_sync);
return err;
}
s32 wl_cfg80211_down(void)
{
struct wl_priv *wl;
s32 err = 0;
wl = WL_PRIV_GET();
mutex_lock(&wl->usr_sync);
err = __wl_cfg80211_down(wl);
mutex_unlock(&wl->usr_sync);
return err;
}
static s32 wl_dongle_probecap(struct wl_priv *wl)
{
s32 err = 0;
err = wl_update_wiphybands(wl);
if (unlikely(err))
return err;
return err;
}
static void *wl_read_prof(struct wl_priv *wl, s32 item)
{
switch (item) {
case WL_PROF_SEC:
return &wl->profile->sec;
case WL_PROF_ACT:
return &wl->profile->active;
case WL_PROF_BSSID:
return &wl->profile->bssid;
case WL_PROF_SSID:
return &wl->profile->ssid;
}
WL_ERR(("invalid item (%d)\n", item));
return NULL;
}
static s32
wl_update_prof(struct wl_priv *wl, const wl_event_msg_t *e, void *data,
s32 item)
{
s32 err = 0;
struct wlc_ssid *ssid;
switch (item) {
case WL_PROF_SSID:
ssid = (wlc_ssid_t *) data;
memset(wl->profile->ssid.SSID, 0,
sizeof(wl->profile->ssid.SSID));
memcpy(wl->profile->ssid.SSID, ssid->SSID, ssid->SSID_len);
wl->profile->ssid.SSID_len = ssid->SSID_len;
break;
case WL_PROF_BSSID:
if (data)
memcpy(wl->profile->bssid, data, ETHER_ADDR_LEN);
else
memset(wl->profile->bssid, 0, ETHER_ADDR_LEN);
break;
case WL_PROF_SEC:
memcpy(&wl->profile->sec, data, sizeof(wl->profile->sec));
break;
case WL_PROF_ACT:
wl->profile->active = *(bool *)data;
break;
case WL_PROF_BEACONINT:
wl->profile->beacon_interval = *(u16 *)data;
break;
case WL_PROF_DTIMPERIOD:
wl->profile->dtim_period = *(u8 *)data;
break;
default:
WL_ERR(("unsupported item (%d)\n", item));
err = -EOPNOTSUPP;
break;
}
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 wl_priv *wl)
{
return wl->conf->mode == WL_MODE_IBSS;
}
static bool wl_is_ibssstarter(struct wl_priv *wl)
{
return wl->ibss_starter;
}
static void wl_rst_ie(struct wl_priv *wl)
{
struct wl_ie *ie = wl_to_ie(wl);
ie->offset = 0;
}
static __used s32 wl_add_ie(struct wl_priv *wl, u8 t, u8 l, u8 *v)
{
struct wl_ie *ie = wl_to_ie(wl);
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 s32 wl_mrg_ie(struct wl_priv *wl, u8 *ie_stream, u16 ie_size)
{
struct wl_ie *ie = wl_to_ie(wl);
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 wl_priv *wl, u8 *dst, u16 dst_size)
{
struct wl_ie *ie = wl_to_ie(wl);
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 wl_priv *wl)
{
struct wl_ie *ie = wl_to_ie(wl);
return ie->offset;
}
static void wl_link_up(struct wl_priv *wl)
{
wl->link_up = true;
}
static void wl_link_down(struct wl_priv *wl)
{
struct wl_connect_info *conn_info = wl_to_conn(wl);
wl->link_up = false;
kfree(conn_info->req_ie);
conn_info->req_ie = NULL;
conn_info->req_ie_len = 0;
kfree(conn_info->resp_ie);
conn_info->resp_ie = NULL;
conn_info->resp_ie_len = 0;
}
static void wl_lock_eq(struct wl_priv *wl)
{
spin_lock_irq(&wl->eq_lock);
}
static void wl_unlock_eq(struct wl_priv *wl)
{
spin_unlock_irq(&wl->eq_lock);
}
static void wl_init_eq_lock(struct wl_priv *wl)
{
spin_lock_init(&wl->eq_lock);
}
static void wl_delay(u32 ms)
{
if (ms < 1000 / HZ) {
cond_resched();
mdelay(ms);
} else {
msleep(ms);
}
}
static void wl_set_drvdata(struct wl_dev *dev, void *data)
{
dev->driver_data = data;
}
static void *wl_get_drvdata(struct wl_dev *dev)
{
return dev->driver_data;
}
s32 wl_cfg80211_read_fw(s8 *buf, u32 size)
{
const struct firmware *fw_entry;
struct wl_priv *wl;
wl = WL_PRIV_GET();
fw_entry = wl->fw->fw_entry;
if (fw_entry->size < wl->fw->ptr + size)
size = fw_entry->size - wl->fw->ptr;
memcpy(buf, &fw_entry->data[wl->fw->ptr], size);
wl->fw->ptr += size;
return size;
}
void wl_cfg80211_release_fw(void)
{
struct wl_priv *wl;
wl = WL_PRIV_GET();
release_firmware(wl->fw->fw_entry);
wl->fw->ptr = 0;
}
void *wl_cfg80211_request_fw(s8 *file_name)
{
struct wl_priv *wl;
const struct firmware *fw_entry = NULL;
s32 err = 0;
WL_DBG(("file name : \"%s\"\n", file_name));
wl = WL_PRIV_GET();
if (!test_bit(WL_FW_LOADING_DONE, &wl->fw->status)) {
err = request_firmware(&wl->fw->fw_entry, file_name,
&wl_cfg80211_get_sdio_func()->dev);
if (unlikely(err)) {
WL_ERR(("Could not download fw (%d)\n", err));
goto req_fw_out;
}
set_bit(WL_FW_LOADING_DONE, &wl->fw->status);
fw_entry = wl->fw->fw_entry;
if (fw_entry) {
WL_DBG(("fw size (%zd), data (%p)\n", fw_entry->size,
fw_entry->data));
}
} else if (!test_bit(WL_NVRAM_LOADING_DONE, &wl->fw->status)) {
err = request_firmware(&wl->fw->fw_entry, file_name,
&wl_cfg80211_get_sdio_func()->dev);
if (unlikely(err)) {
WL_ERR(("Could not download nvram (%d)\n", err));
goto req_fw_out;
}
set_bit(WL_NVRAM_LOADING_DONE, &wl->fw->status);
fw_entry = wl->fw->fw_entry;
if (fw_entry) {
WL_DBG(("nvram size (%zd), data (%p)\n", fw_entry->size,
fw_entry->data));
}
} else {
WL_DBG(("Downloading already done. Nothing to do more\n"));
err = -EPERM;
}
req_fw_out:
if (unlikely(err)) {
return NULL;
}
wl->fw->ptr = 0;
return (void *)fw_entry->data;
}
s8 *wl_cfg80211_get_fwname(void)
{
struct wl_priv *wl;
wl = WL_PRIV_GET();
strcpy(wl->fw->fw_name, WL_4329_FW_FILE);
return wl->fw->fw_name;
}
s8 *wl_cfg80211_get_nvramname(void)
{
struct wl_priv *wl;
wl = WL_PRIV_GET();
strcpy(wl->fw->nvram_name, WL_4329_NVRAM_FILE);
return wl->fw->nvram_name;
}
static void wl_set_mpc(struct net_device *ndev, int mpc)
{
s32 err = 0;
err = wl_dev_intvar_set(ndev, "mpc", mpc);
if (unlikely(err)) {
WL_ERR(("fail to set mpc\n"));
return;
}
WL_DBG(("MPC : %d\n", mpc));
}
static int wl_debugfs_add_netdev_params(struct wl_priv *wl)
{
char buf[10+IFNAMSIZ];
struct dentry *fd;
s32 err = 0;
sprintf(buf, "netdev:%s", wl_to_ndev(wl)->name);
wl->debugfsdir = debugfs_create_dir(buf, wl_to_wiphy(wl)->debugfsdir);
fd = debugfs_create_u16("beacon_int", S_IRUGO, wl->debugfsdir,
(u16 *)&wl->profile->beacon_interval);
if (!fd) {
err = -ENOMEM;
goto err_out;
}
fd = debugfs_create_u8("dtim_period", S_IRUGO, wl->debugfsdir,
(u8 *)&wl->profile->dtim_period);
if (!fd) {
err = -ENOMEM;
goto err_out;
}
err_out:
return err;
}
static void wl_debugfs_remove_netdev(struct wl_priv *wl)
{
debugfs_remove_recursive(wl->debugfsdir);
wl->debugfsdir = NULL;
}