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nest-open-source / nest-learning-thermostat / 6.0 / linux-imx-4.9.88 / f8cc81dfff00c26ff85530a8a7c19533694b47b8 / . / drivers / net / wireless / bcmdhd / dhd_linux.c
blob: caaa5483caa913218022f9f03d28431af709ae57 [file] [log] [blame]
/*
* Broadcom Dongle Host Driver (DHD), Linux-specific network interface
* Basically selected code segments from usb-cdc.c and usb-rndis.c
*
* Copyright (C) 1999-2016, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: dhd_linux.c 663029 2016-11-30 03:37:26Z $
*/
#include <typedefs.h>
#include <linuxver.h>
#include <osl.h>
#ifdef SHOW_LOGTRACE
#include <linux/syscalls.h>
#include <event_log.h>
#endif /* SHOW_LOGTRACE */
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/inetdevice.h>
#include <linux/rtnetlink.h>
#include <linux/etherdevice.h>
#include <linux/random.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/fcntl.h>
#include <linux/fs.h>
#include <linux/ip.h>
#include <net/addrconf.h>
#include <linux/cpufreq.h>
#include <asm/uaccess.h>
#include <asm/unaligned.h>
#include <epivers.h>
#include <bcmutils.h>
#include <bcmendian.h>
#include <bcmdevs.h>
#include <proto/ethernet.h>
#include <proto/bcmevent.h>
#include <dngl_stats.h>
#include <dhd_linux_wq.h>
#include <dhd.h>
#include <dhd_linux.h>
#include <dhd_bus.h>
#include <dhd_proto.h>
#include <dhd_dbg.h>
#ifdef CONFIG_HAS_WAKELOCK
#include <linux/wakelock.h>
#endif
#ifdef WL_CFG80211
#include <wl_cfg80211.h>
#endif
#ifdef CUSTOM_COUNTRY_CODE
#include <wl_iw.h>
#endif
#ifdef P2PONEINT
#include <wl_cfgp2p.h>
#endif
#ifdef PNO_SUPPORT
#include <dhd_pno.h>
#endif
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
#endif
#ifdef DHDTCPACK_SUPPRESS
#include <dhd_ip.h>
#endif /* DHDTCPACK_SUPPRESS */
#ifdef WLMEDIA_HTSF
#include <linux/time.h>
#include <htsf.h>
#define HTSF_MINLEN 200 /* min. packet length to timestamp */
#define HTSF_BUS_DELAY 150 /* assume a fix propagation in us */
#define TSMAX 1000 /* max no. of timing record kept */
#define NUMBIN 34
static uint32 tsidx = 0;
static uint32 htsf_seqnum = 0;
uint32 tsfsync;
struct timeval tsync;
static uint32 tsport = 5010;
typedef struct histo_ {
uint32 bin[NUMBIN];
} histo_t;
#if !ISPOWEROF2(DHD_SDALIGN)
#error DHD_SDALIGN is not a power of 2!
#endif
static histo_t vi_d1, vi_d2, vi_d3, vi_d4;
#endif /* WLMEDIA_HTSF */
#if defined(SOFTAP)
extern bool ap_cfg_running;
extern bool ap_fw_loaded;
#endif
#ifdef ENABLE_ADAPTIVE_SCHED
#define DEFAULT_CPUFREQ_THRESH 1000000 /* threshold frequency : 1000000 = 1GHz */
#ifndef CUSTOM_CPUFREQ_THRESH
#define CUSTOM_CPUFREQ_THRESH DEFAULT_CPUFREQ_THRESH
#endif /* CUSTOM_CPUFREQ_THRESH */
#endif /* ENABLE_ADAPTIVE_SCHED */
/* enable HOSTIP cache update from the host side when an eth0:N is up */
#define AOE_IP_ALIAS_SUPPORT 1
#ifdef BCM_FD_AGGR
#include <bcm_rpc.h>
#include <bcm_rpc_tp.h>
#endif
#ifdef PROP_TXSTATUS
#include <wlfc_proto.h>
#include <dhd_wlfc.h>
#endif
#include <wl_android.h>
#ifdef ARP_OFFLOAD_SUPPORT
void aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add, int idx);
static int dhd_inetaddr_notifier_call(struct notifier_block *this,
unsigned long event, void *ptr);
static struct notifier_block dhd_inetaddr_notifier = {
.notifier_call = dhd_inetaddr_notifier_call
};
/* to make sure we won't register the same notifier twice, otherwise a loop is likely to be
* created in kernel notifier link list (with 'next' pointing to itself)
*/
static bool dhd_inetaddr_notifier_registered = FALSE;
#endif /* ARP_OFFLOAD_SUPPORT */
static int dhd_inet6addr_notifier_call(struct notifier_block *this,
unsigned long event, void *ptr);
static struct notifier_block dhd_inet6addr_notifier = {
.notifier_call = dhd_inet6addr_notifier_call
};
/* to make sure we won't register the same notifier twice, otherwise a loop is likely to be
* created in kernel notifier link list (with 'next' pointing to itself)
*/
static bool dhd_inet6addr_notifier_registered = FALSE;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP)
#include <linux/suspend.h>
volatile bool dhd_mmc_suspend = FALSE;
DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */
#if defined(OOB_INTR_ONLY)
extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable);
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
static void dhd_hang_process(void *dhd_info, void *event_data, u8 event);
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
MODULE_LICENSE("GPL v2");
#endif /* LinuxVer */
#include <dhd_bus.h>
#ifdef BCM_FD_AGGR
#define DBUS_RX_BUFFER_SIZE_DHD(net) (BCM_RPC_TP_DNGL_AGG_MAX_BYTE)
#else
#ifndef PROP_TXSTATUS
#define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen)
#else
#define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen + 128)
#endif
#endif /* BCM_FD_AGGR */
#ifdef PROP_TXSTATUS
extern bool dhd_wlfc_skip_fc(void);
extern void dhd_wlfc_plat_init(void *dhd);
extern void dhd_wlfc_plat_deinit(void *dhd);
#endif /* PROP_TXSTATUS */
#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15)
const char *
print_tainted()
{
return "";
}
#endif /* LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) */
/* Linux wireless extension support */
#if defined(WL_WIRELESS_EXT)
#include <wl_iw.h>
extern wl_iw_extra_params_t g_wl_iw_params;
#endif /* defined(WL_WIRELESS_EXT) */
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
#include <linux/earlysuspend.h>
#endif /* defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
#include <linux/nl80211.h>
#endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */
extern int dhd_get_suspend_bcn_li_dtim(dhd_pub_t *dhd);
#ifdef PKT_FILTER_SUPPORT
extern void dhd_pktfilter_offload_set(dhd_pub_t * dhd, char *arg);
extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode);
extern void dhd_pktfilter_offload_delete(dhd_pub_t *dhd, int id);
#endif
#ifdef READ_MACADDR
extern int dhd_read_macaddr(struct dhd_info *dhd);
#else
static inline int dhd_read_macaddr(struct dhd_info *dhd) { return 0; }
#endif
#ifdef WRITE_MACADDR
extern int dhd_write_macaddr(struct ether_addr *mac);
#else
static inline int dhd_write_macaddr(struct ether_addr *mac) { return 0; }
#endif
#ifdef ENABLE_CONTROL_SCHED
#ifndef ENABLE_ADAPTIVE_SCHED
#error ENABLE_ADAPTIVE_SCHED not define.
#endif /* ENABLE_ADAPTIVE_SCHED */
static int dhd_sysfs_create_node(struct net_device *net);
static void dhd_sysfs_destroy_node(struct net_device *net);
#endif /* ENABLE_CONTROL_SCHED */
typedef struct dhd_if_event {
struct list_head list;
wl_event_data_if_t event;
char name[IFNAMSIZ+1];
uint8 mac[ETHER_ADDR_LEN];
} dhd_if_event_t;
/* Interface control information */
typedef struct dhd_if {
struct dhd_info *info; /* back pointer to dhd_info */
/* OS/stack specifics */
struct net_device *net;
struct net_device_stats stats;
int idx; /* iface idx in dongle */
uint subunit; /* subunit */
uint8 mac_addr[ETHER_ADDR_LEN]; /* assigned MAC address */
bool attached; /* Delayed attachment when unset */
bool txflowcontrol; /* Per interface flow control indicator */
char name[IFNAMSIZ+1]; /* linux interface name */
char dngl_name[IFNAMSIZ+1]; /* corresponding dongle interface name */
uint8 bssidx; /* bsscfg index for the interface */
bool set_macaddress;
bool set_multicast;
} dhd_if_t;
#ifdef WLMEDIA_HTSF
typedef struct {
uint32 low;
uint32 high;
} tsf_t;
typedef struct {
uint32 last_cycle;
uint32 last_sec;
uint32 last_tsf;
uint32 coef; /* scaling factor */
uint32 coefdec1; /* first decimal */
uint32 coefdec2; /* second decimal */
} htsf_t;
typedef struct {
uint32 t1;
uint32 t2;
uint32 t3;
uint32 t4;
} tstamp_t;
static tstamp_t ts[TSMAX];
static tstamp_t maxdelayts;
static uint32 maxdelay = 0, tspktcnt = 0, maxdelaypktno = 0;
#endif /* WLMEDIA_HTSF */
struct ipv6_work_info_t {
uint8 if_idx;
char ipv6_addr[16];
unsigned long event;
};
/* Local private structure (extension of pub) */
typedef struct dhd_info {
#if defined(WL_WIRELESS_EXT)
wl_iw_t iw; /* wireless extensions state (must be first) */
#endif /* defined(WL_WIRELESS_EXT) */
dhd_pub_t pub;
void *adapter; /* adapter information, interrupt, fw path etc. */
char fw_path[PATH_MAX]; /* path to firmware image */
char nv_path[PATH_MAX]; /* path to nvram vars file */
/* For supporting multiple interfaces */
dhd_if_t *iflist[DHD_MAX_IFS];
struct semaphore proto_sem;
#ifdef PROP_TXSTATUS
spinlock_t wlfc_spinlock;
#endif /* PROP_TXSTATUS */
#ifdef WLMEDIA_HTSF
htsf_t htsf;
#endif
wait_queue_head_t ioctl_resp_wait;
uint32 default_wd_interval;
struct timer_list timer;
bool wd_timer_valid;
struct tasklet_struct tasklet;
spinlock_t sdlock;
spinlock_t txqlock;
spinlock_t dhd_lock;
struct semaphore sdsem;
tsk_ctl_t thr_dpc_ctl;
tsk_ctl_t thr_wdt_ctl;
tsk_ctl_t thr_rxf_ctl;
spinlock_t rxf_lock;
bool rxthread_enabled;
/* Wakelocks */
#if defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
struct wake_lock wl_wifi; /* Wifi wakelock */
struct wake_lock wl_rxwake; /* Wifi rx wakelock */
struct wake_lock wl_ctrlwake; /* Wifi ctrl wakelock */
struct wake_lock wl_wdwake; /* Wifi wd wakelock */
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
/* net_device interface lock, prevent race conditions among net_dev interface
* calls and wifi_on or wifi_off
*/
struct mutex dhd_net_if_mutex;
struct mutex dhd_suspend_mutex;
#endif
spinlock_t wakelock_spinlock;
uint32 wakelock_counter;
bool waive_wakelock;
uint32 wakelock_before_waive;
int wakelock_wd_counter;
int wakelock_rx_timeout_enable;
int wakelock_ctrl_timeout_enable;
/* Thread to issue ioctl for multicast */
wait_queue_head_t ctrl_wait;
atomic_t pend_8021x_cnt;
dhd_attach_states_t dhd_state;
#ifdef SHOW_LOGTRACE
dhd_event_log_t event_data;
#endif /* SHOW_LOGTRACE */
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
struct early_suspend early_suspend;
#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */
#ifdef ARP_OFFLOAD_SUPPORT
u32 pend_ipaddr;
#endif /* ARP_OFFLOAD_SUPPORT */
#ifdef BCM_FD_AGGR
void *rpc_th;
void *rpc_osh;
struct timer_list rpcth_timer;
bool rpcth_timer_active;
bool fdaggr;
#endif
#ifdef DHDTCPACK_SUPPRESS
spinlock_t tcpack_lock;
#endif /* DHDTCPACK_SUPPRESS */
void *dhd_deferred_wq;
#ifdef DEBUG_CPU_FREQ
struct notifier_block freq_trans;
int __percpu *new_freq;
#endif
unsigned int unit;
struct notifier_block pm_notifier;
#ifdef SAR_SUPPORT
struct notifier_block sar_notifier;
#endif
#ifdef DHD_DEBUG
struct timer_list join_timer;
u32 join_timeout_val;
bool join_timer_active;
uint scan_time_count;
struct timer_list scan_timer;
bool scan_timer_active;
#endif
} dhd_info_t;
/* Flag to indicate if we should download firmware on driver load */
uint dhd_download_fw_on_driverload = TRUE;
/* Definitions to provide path to the firmware and nvram
* example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt"
*/
char firmware_path[MOD_PARAM_PATHLEN];
char nvram_path[MOD_PARAM_PATHLEN];
/* information string to keep firmware, chio, cheip version info visiable from log */
char info_string[MOD_PARAM_INFOLEN];
module_param_string(info_string, info_string, MOD_PARAM_INFOLEN, 0444);
int op_mode = 0;
int disable_proptx = 0;
module_param(op_mode, int, 0644);
extern int wl_control_wl_start(struct net_device *dev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(BCMLXSDMMC)
struct semaphore dhd_registration_sem;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */
/* deferred handlers */
static void dhd_ifadd_event_handler(void *handle, void *event_info, u8 event);
static void dhd_ifdel_event_handler(void *handle, void *event_info, u8 event);
static void dhd_set_mac_addr_handler(void *handle, void *event_info, u8 event);
static void dhd_set_mcast_list_handler(void *handle, void *event_info, u8 event);
static void dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event);
#ifdef WL_CFG80211
extern void dhd_netdev_free(struct net_device *ndev);
#endif /* WL_CFG80211 */
/* Error bits */
module_param(dhd_msg_level, int, 0);
#ifdef ARP_OFFLOAD_SUPPORT
/* ARP offload enable */
uint dhd_arp_enable = TRUE;
module_param(dhd_arp_enable, uint, 0);
/* ARP offload agent mode : Enable ARP Host Auto-Reply and ARP Peer Auto-Reply */
uint dhd_arp_mode = ARP_OL_AGENT | ARP_OL_PEER_AUTO_REPLY;
module_param(dhd_arp_mode, uint, 0);
#endif /* ARP_OFFLOAD_SUPPORT */
/* Disable Prop tx */
module_param(disable_proptx, int, 0644);
/* load firmware and/or nvram values from the filesystem */
module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0660);
module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0660);
/* Watchdog interval */
/* extend watchdog expiration to 2 seconds when DPC is running */
#define WATCHDOG_EXTEND_INTERVAL (2000)
uint dhd_watchdog_ms = 10;
module_param(dhd_watchdog_ms, uint, 0);
#if defined(DHD_DEBUG)
/* Console poll interval */
uint dhd_console_ms = 0;
module_param(dhd_console_ms, uint, 0644);
#endif /* defined(DHD_DEBUG) */
uint dhd_slpauto = TRUE;
module_param(dhd_slpauto, uint, 0);
#ifdef PKT_FILTER_SUPPORT
/* Global Pkt filter enable control */
uint dhd_pkt_filter_enable = TRUE;
module_param(dhd_pkt_filter_enable, uint, 0);
#endif
/* Pkt filter init setup */
uint dhd_pkt_filter_init = 0;
module_param(dhd_pkt_filter_init, uint, 0);
/* Pkt filter mode control */
uint dhd_master_mode = TRUE;
module_param(dhd_master_mode, uint, 0);
int dhd_watchdog_prio = 0;
module_param(dhd_watchdog_prio, int, 0);
/* DPC thread priority */
int dhd_dpc_prio = CUSTOM_DPC_PRIO_SETTING;
module_param(dhd_dpc_prio, int, 0);
/* RX frame thread priority */
int dhd_rxf_prio = CUSTOM_RXF_PRIO_SETTING;
module_param(dhd_rxf_prio, int, 0);
#if !defined(BCMDHDUSB)
extern int dhd_dongle_ramsize;
module_param(dhd_dongle_ramsize, int, 0);
#endif /* BCMDHDUSB */
/* Keep track of number of instances */
static int dhd_found = 0;
static int instance_base = 0; /* Starting instance number */
module_param(instance_base, int, 0644);
/* Control fw roaming */
uint dhd_roam_disable = 0;
/* Control radio state */
uint dhd_radio_up = 1;
/* Network inteface name */
char iface_name[IFNAMSIZ] = {'\0'};
module_param_string(iface_name, iface_name, IFNAMSIZ, 0);
/* The following are specific to the SDIO dongle */
/* IOCTL response timeout */
int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT;
/* Idle timeout for backplane clock */
int dhd_idletime = DHD_IDLETIME_TICKS;
module_param(dhd_idletime, int, 0);
/* Use polling */
uint dhd_poll = FALSE;
module_param(dhd_poll, uint, 0);
/* Use interrupts */
uint dhd_intr = TRUE;
module_param(dhd_intr, uint, 0);
/* SDIO Drive Strength (in milliamps) */
uint dhd_sdiod_drive_strength = 6;
module_param(dhd_sdiod_drive_strength, uint, 0);
/* Tx/Rx bounds */
extern uint dhd_txbound;
extern uint dhd_rxbound;
module_param(dhd_txbound, uint, 0);
module_param(dhd_rxbound, uint, 0);
/* Deferred transmits */
extern uint dhd_deferred_tx;
module_param(dhd_deferred_tx, uint, 0);
#ifdef BCMDBGFS
extern void dhd_dbg_init(dhd_pub_t *dhdp);
extern void dhd_dbg_remove(void);
#endif /* BCMDBGFS */
#ifdef SDTEST
/* Echo packet generator (pkts/s) */
uint dhd_pktgen = 0;
module_param(dhd_pktgen, uint, 0);
/* Echo packet len (0 => sawtooth, max 2040) */
uint dhd_pktgen_len = 0;
module_param(dhd_pktgen_len, uint, 0);
#endif /* SDTEST */
extern char dhd_version[];
int dhd_net_bus_devreset(struct net_device *dev, uint8 flag);
static void dhd_net_if_lock_local(dhd_info_t *dhd);
static void dhd_net_if_unlock_local(dhd_info_t *dhd);
static void dhd_suspend_lock(dhd_pub_t *dhdp);
static void dhd_suspend_unlock(dhd_pub_t *dhdp);
#ifdef WLMEDIA_HTSF
void htsf_update(dhd_info_t *dhd, void *data);
tsf_t prev_tsf, cur_tsf;
uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx);
static int dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx);
static void dhd_dump_latency(void);
static void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf);
static void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf);
static void dhd_dump_htsfhisto(histo_t *his, char *s);
#endif /* WLMEDIA_HTSF */
/* Monitor interface */
int dhd_monitor_init(void *dhd_pub);
int dhd_monitor_uninit(void);
#ifdef DHD_DEBUG
static void dhd_scan_timeout(ulong data);
static void dhd_join_timeout(ulong data);
#endif
#if defined(WL_WIRELESS_EXT)
struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev);
#endif /* defined(WL_WIRELESS_EXT) */
static void dhd_dpc(ulong data);
/* forward decl */
extern int dhd_wait_pend8021x(struct net_device *dev);
void dhd_os_wd_timer_extend(void *bus, bool extend);
#ifdef TOE
#ifndef BDC
#error TOE requires BDC
#endif /* !BDC */
static int dhd_toe_get(dhd_info_t *dhd, int idx, uint32 *toe_ol);
static int dhd_toe_set(dhd_info_t *dhd, int idx, uint32 toe_ol);
#endif /* TOE */
static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, uint16 pktlen,
wl_event_msg_t *event_ptr, void **data_ptr);
#if defined(SUPPORT_P2P_GO_PS)
#ifdef PROP_TXSTATUS
static int dhd_wakelock_waive(dhd_info_t *dhdinfo);
static int dhd_wakelock_restore(dhd_info_t *dhdinfo);
#endif
#endif /* defined(SUPPORT_P2P_GO_PS) */
#if defined(CONFIG_PM_SLEEP)
static int dhd_pm_callback(struct notifier_block *nfb, unsigned long action, void *ignored)
{
int ret = NOTIFY_DONE;
bool suspend = FALSE;
dhd_info_t *dhdinfo = (dhd_info_t*)container_of(nfb, struct dhd_info, pm_notifier);
BCM_REFERENCE(dhdinfo);
switch (action) {
case PM_HIBERNATION_PREPARE:
case PM_SUSPEND_PREPARE:
suspend = TRUE;
break;
case PM_POST_HIBERNATION:
case PM_POST_SUSPEND:
suspend = FALSE;
break;
}
#if defined(SUPPORT_P2P_GO_PS)
#ifdef PROP_TXSTATUS
if (suspend) {
dhd_wakelock_waive(dhdinfo);
dhd_wlfc_suspend(&dhdinfo->pub);
dhd_wakelock_restore(dhdinfo);
} else {
dhd_wlfc_resume(&dhdinfo->pub);
}
#endif
#endif /* defined(SUPPORT_P2P_GO_PS) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && (LINUX_VERSION_CODE <= \
KERNEL_VERSION(2, 6, 39))
dhd_mmc_suspend = suspend;
smp_mb();
#endif
return ret;
}
/* to make sure we won't register the same notifier twice, otherwise a loop is likely to be
* created in kernel notifier link list (with 'next' pointing to itself)
*/
static bool dhd_pm_notifier_registered = FALSE;
extern int register_pm_notifier(struct notifier_block *nb);
extern int unregister_pm_notifier(struct notifier_block *nb);
#endif /* defined(CONFIG_PM_SLEEP) */
#ifdef SAR_SUPPORT
static int dhd_sar_callback(struct notifier_block *nfb, unsigned long action, void *ignored)
{
dhd_info_t *dhd = (dhd_info_t*)container_of(nfb, struct dhd_info, sar_notifier);
char iovbuf[32];
s32 sar_enable;
int ret = 0;
/* '1' means activate sarlimit and '0' means back to normal state (deactivate
* sarlimit)
*/
sar_enable = action ? 1 : 0;
bcm_mkiovar("sar_enable", (char *)&sar_enable, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(&dhd->pub, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("%s wl sar_enable %d failed %d\n", __FUNCTION__, sar_enable, ret));
return NOTIFY_DONE;
}
static bool dhd_sar_notifier_registered = FALSE;
extern int register_notifier_by_sar(struct notifier_block *nb);
extern int unregister_notifier_by_sar(struct notifier_block *nb);
#endif /* defined(SAR_SUPPORT) */
/* Request scheduling of the bus rx frame */
static void dhd_sched_rxf(dhd_pub_t *dhdp, void *skb);
static void dhd_os_rxflock(dhd_pub_t *pub);
static void dhd_os_rxfunlock(dhd_pub_t *pub);
static inline int dhd_rxf_enqueue(dhd_pub_t *dhdp, void* skb)
{
uint32 store_idx;
uint32 sent_idx;
if (!skb) {
DHD_ERROR(("dhd_rxf_enqueue: NULL skb!!!\n"));
return BCME_ERROR;
}
dhd_os_rxflock(dhdp);
store_idx = dhdp->store_idx;
sent_idx = dhdp->sent_idx;
if (dhdp->skbbuf[store_idx] != NULL) {
/* Make sure the previous packets are processed */
dhd_os_rxfunlock(dhdp);
#ifdef RXF_DEQUEUE_ON_BUSY
DHD_TRACE(("dhd_rxf_enqueue: pktbuf not consumed %p, store idx %d sent idx %d\n",
skb, store_idx, sent_idx));
return BCME_BUSY;
#else /* RXF_DEQUEUE_ON_BUSY */
DHD_ERROR(("dhd_rxf_enqueue: pktbuf not consumed %p, store idx %d sent idx %d\n",
skb, store_idx, sent_idx));
/* removed msleep here, should use wait_event_timeout if we
* want to give rx frame thread a chance to run
*/
#if defined(WAIT_DEQUEUE)
OSL_SLEEP(1);
#endif
return BCME_ERROR;
#endif /* RXF_DEQUEUE_ON_BUSY */
}
DHD_TRACE(("dhd_rxf_enqueue: Store SKB %p. idx %d -> %d\n",
skb, store_idx, (store_idx + 1) & (MAXSKBPEND - 1)));
dhdp->skbbuf[store_idx] = skb;
dhdp->store_idx = (store_idx + 1) & (MAXSKBPEND - 1);
dhd_os_rxfunlock(dhdp);
return BCME_OK;
}
static inline void* dhd_rxf_dequeue(dhd_pub_t *dhdp)
{
uint32 store_idx;
uint32 sent_idx;
void *skb;
dhd_os_rxflock(dhdp);
store_idx = dhdp->store_idx;
sent_idx = dhdp->sent_idx;
skb = dhdp->skbbuf[sent_idx];
if (skb == NULL) {
dhd_os_rxfunlock(dhdp);
DHD_ERROR(("dhd_rxf_dequeue: Dequeued packet is NULL, store idx %d sent idx %d\n",
store_idx, sent_idx));
return NULL;
}
dhdp->skbbuf[sent_idx] = NULL;
dhdp->sent_idx = (sent_idx + 1) & (MAXSKBPEND - 1);
DHD_TRACE(("dhd_rxf_dequeue: netif_rx_ni(%p), sent idx %d\n",
skb, sent_idx));
dhd_os_rxfunlock(dhdp);
return skb;
}
static int dhd_process_cid_mac(dhd_pub_t *dhdp, bool prepost)
{
dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
if (prepost) { /* pre process */
dhd_read_macaddr(dhd);
} else { /* post process */
dhd_write_macaddr(&dhd->pub.mac);
}
return 0;
}
#if defined(PKT_FILTER_SUPPORT) && !defined(GAN_LITE_NAT_KEEPALIVE_FILTER)
static bool
_turn_on_arp_filter(dhd_pub_t *dhd, int op_mode)
{
bool _apply = FALSE;
/* In case of IBSS mode, apply arp pkt filter */
if (op_mode & DHD_FLAG_IBSS_MODE) {
_apply = TRUE;
goto exit;
}
/* In case of P2P GO or GC, apply pkt filter to pass arp pkt to host */
#if defined(ARP_OFFLOAD_SUPPORT)
if ((dhd->arp_version == 1) &&
#else
if (
#endif
(op_mode & (DHD_FLAG_P2P_GC_MODE | DHD_FLAG_P2P_GO_MODE))) {
_apply = TRUE;
goto exit;
}
exit:
return _apply;
}
#endif /* PKT_FILTER_SUPPORT && !GAN_LITE_NAT_KEEPALIVE_FILTER */
void dhd_set_packet_filter(dhd_pub_t *dhd)
{
#ifdef PKT_FILTER_SUPPORT
int i;
DHD_TRACE(("%s: enter\n", __FUNCTION__));
if (dhd_pkt_filter_enable) {
for (i = 0; i < dhd->pktfilter_count; i++) {
dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]);
}
}
#endif /* PKT_FILTER_SUPPORT */
}
void dhd_enable_packet_filter(int value, dhd_pub_t *dhd)
{
#ifdef PKT_FILTER_SUPPORT
int i;
DHD_TRACE(("%s: enter, value = %d\n", __FUNCTION__, value));
/* 1 - Enable packet filter, only allow unicast packet to send up */
/* 0 - Disable packet filter */
if (dhd_pkt_filter_enable && (!value ||
(dhd_support_sta_mode(dhd) && !dhd->dhcp_in_progress)))
{
for (i = 0; i < dhd->pktfilter_count; i++) {
#ifndef GAN_LITE_NAT_KEEPALIVE_FILTER
if (value && (i == DHD_ARP_FILTER_NUM) &&
!_turn_on_arp_filter(dhd, dhd->op_mode)) {
DHD_TRACE(("Do not turn on ARP white list pkt filter:"
"val %d, cnt %d, op_mode 0x%x\n",
value, i, dhd->op_mode));
continue;
}
#endif /* !GAN_LITE_NAT_KEEPALIVE_FILTER */
dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i],
value, dhd_master_mode);
}
}
#endif /* PKT_FILTER_SUPPORT */
}
static int dhd_set_suspend(int value, dhd_pub_t *dhd)
{
#ifndef SUPPORT_PM2_ONLY
int power_mode = PM_MAX;
#endif /* SUPPORT_PM2_ONLY */
/* wl_pkt_filter_enable_t enable_parm; */
char iovbuf[32];
int bcn_li_dtim = 0; /* Default bcn_li_dtim in resume mode is 0 */
#ifndef ENABLE_FW_ROAM_SUSPEND
uint roamvar = 1;
#endif /* ENABLE_FW_ROAM_SUSPEND */
uint nd_ra_filter = 0;
int ret = 0;
#ifdef DYNAMIC_SWOOB_DURATION
#ifndef CUSTOM_INTR_WIDTH
#define CUSTOM_INTR_WIDTH 100
#endif /* CUSTOM_INTR_WIDTH */
int intr_width = 0;
#endif /* DYNAMIC_SWOOB_DURATION */
if (!dhd)
return -ENODEV;
DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n",
__FUNCTION__, value, dhd->in_suspend));
dhd_suspend_lock(dhd);
#ifdef CUSTOM_SET_CPUCORE
DHD_TRACE(("%s set cpucore(suspend%d)\n", __FUNCTION__, value));
/* set specific cpucore */
dhd_set_cpucore(dhd, TRUE);
#endif /* CUSTOM_SET_CPUCORE */
if (dhd->up) {
if (value && dhd->in_suspend) {
#ifdef PKT_FILTER_SUPPORT
dhd->early_suspended = 1;
#endif
/* Kernel suspended */
DHD_ERROR(("%s: force extra Suspend setting \n", __FUNCTION__));
#ifndef SUPPORT_PM2_ONLY
dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode,
sizeof(power_mode), TRUE, 0);
#endif /* SUPPORT_PM2_ONLY */
/* Enable packet filter, only allow unicast packet to send up */
dhd_enable_packet_filter(1, dhd);
/* If DTIM skip is set up as default, force it to wake
* each third DTIM for better power savings. Note that
* one side effect is a chance to miss BC/MC packet.
*/
bcn_li_dtim = dhd_get_suspend_bcn_li_dtim(dhd);
bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim,
4, iovbuf, sizeof(iovbuf));
if (dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf),
TRUE, 0) < 0)
DHD_ERROR(("%s: set dtim failed\n", __FUNCTION__));
#ifndef ENABLE_FW_ROAM_SUSPEND
/* Disable firmware roaming during suspend */
bcm_mkiovar("roam_off", (char *)&roamvar, 4,
iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#endif /* ENABLE_FW_ROAM_SUSPEND */
if (FW_SUPPORTED(dhd, ndoe)) {
/* enable IPv6 RA filter in firmware during suspend */
nd_ra_filter = 1;
bcm_mkiovar("nd_ra_filter_enable", (char *)&nd_ra_filter, 4,
iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("failed to set nd_ra_filter (%d)\n",
ret));
}
#ifdef DYNAMIC_SWOOB_DURATION
intr_width = CUSTOM_INTR_WIDTH;
bcm_mkiovar("bus:intr_width", (char *)&intr_width, 4,
iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("failed to set intr_width (%d)\n", ret));
#endif /* DYNAMIC_SWOOB_DURATION */
} else {
#ifdef PKT_FILTER_SUPPORT
dhd->early_suspended = 0;
#endif
/* Kernel resumed */
DHD_ERROR(("%s: Remove extra suspend setting \n", __FUNCTION__));
#ifdef DYNAMIC_SWOOB_DURATION
intr_width = 0;
bcm_mkiovar("bus:intr_width", (char *)&intr_width, 4,
iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("failed to set intr_width (%d)\n", ret));
#endif /* DYNAMIC_SWOOB_DURATION */
#ifndef SUPPORT_PM2_ONLY
power_mode = PM_FAST;
dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode,
sizeof(power_mode), TRUE, 0);
#endif /* SUPPORT_PM2_ONLY */
#ifdef PKT_FILTER_SUPPORT
/* disable pkt filter */
dhd_enable_packet_filter(0, dhd);
#endif /* PKT_FILTER_SUPPORT */
/* restore pre-suspend setting for dtim_skip */
bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim,
4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#ifndef ENABLE_FW_ROAM_SUSPEND
roamvar = dhd_roam_disable;
bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf,
sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#endif /* ENABLE_FW_ROAM_SUSPEND */
if (FW_SUPPORTED(dhd, ndoe)) {
/* disable IPv6 RA filter in firmware during suspend */
nd_ra_filter = 0;
bcm_mkiovar("nd_ra_filter_enable", (char *)&nd_ra_filter, 4,
iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("failed to set nd_ra_filter (%d)\n",
ret));
}
}
}
dhd_suspend_unlock(dhd);
return 0;
}
static int dhd_suspend_resume_helper(struct dhd_info *dhd, int val, int force)
{
dhd_pub_t *dhdp = &dhd->pub;
int ret = 0;
DHD_OS_WAKE_LOCK(dhdp);
/* Set flag when early suspend was called */
dhdp->in_suspend = val;
if ((force || !dhdp->suspend_disable_flag) &&
dhd_support_sta_mode(dhdp))
{
ret = dhd_set_suspend(val, dhdp);
}
DHD_OS_WAKE_UNLOCK(dhdp);
return ret;
}
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
static void dhd_early_suspend(struct early_suspend *h)
{
struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend);
DHD_TRACE_HW4(("%s: enter\n", __FUNCTION__));
if (dhd)
dhd_suspend_resume_helper(dhd, 1, 0);
}
static void dhd_late_resume(struct early_suspend *h)
{
struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend);
DHD_TRACE_HW4(("%s: enter\n", __FUNCTION__));
if (dhd)
dhd_suspend_resume_helper(dhd, 0, 0);
}
#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */
/*
* Generalized timeout mechanism. Uses spin sleep with exponential back-off until
* the sleep time reaches one jiffy, then switches over to task delay. Usage:
*
* dhd_timeout_start(&tmo, usec);
* while (!dhd_timeout_expired(&tmo))
* if (poll_something())
* break;
* if (dhd_timeout_expired(&tmo))
* fatal();
*/
void
dhd_timeout_start(dhd_timeout_t *tmo, uint usec)
{
tmo->limit = usec;
tmo->increment = 0;
tmo->elapsed = 0;
tmo->tick = jiffies_to_usecs(1);
}
int
dhd_timeout_expired(dhd_timeout_t *tmo)
{
/* Does nothing the first call */
if (tmo->increment == 0) {
tmo->increment = 1;
return 0;
}
if (tmo->elapsed >= tmo->limit)
return 1;
/* Add the delay that's about to take place */
tmo->elapsed += tmo->increment;
if ((!CAN_SLEEP()) || tmo->increment < tmo->tick) {
OSL_DELAY(tmo->increment);
tmo->increment *= 2;
if (tmo->increment > tmo->tick)
tmo->increment = tmo->tick;
} else {
wait_queue_head_t delay_wait;
DECLARE_WAITQUEUE(wait, current);
init_waitqueue_head(&delay_wait);
add_wait_queue(&delay_wait, &wait);
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(1);
remove_wait_queue(&delay_wait, &wait);
set_current_state(TASK_RUNNING);
}
return 0;
}
int
dhd_net2idx(dhd_info_t *dhd, struct net_device *net)
{
int i = 0;
ASSERT(dhd);
while (i < DHD_MAX_IFS) {
if (dhd->iflist[i] && dhd->iflist[i]->net && (dhd->iflist[i]->net == net))
return i;
i++;
}
return DHD_BAD_IF;
}
struct net_device * dhd_idx2net(void *pub, int ifidx)
{
struct dhd_pub *dhd_pub = (struct dhd_pub *)pub;
struct dhd_info *dhd_info;
if (!dhd_pub || ifidx < 0 || ifidx >= DHD_MAX_IFS)
return NULL;
dhd_info = dhd_pub->info;
if (dhd_info && dhd_info->iflist[ifidx])
return dhd_info->iflist[ifidx]->net;
return NULL;
}
int
dhd_ifname2idx(dhd_info_t *dhd, char *name)
{
int i = DHD_MAX_IFS;
ASSERT(dhd);
if (name == NULL || *name == '\0')
return 0;
while (--i > 0)
if (dhd->iflist[i] && !strncmp(dhd->iflist[i]->dngl_name, name, IFNAMSIZ))
break;
DHD_TRACE(("%s: return idx %d for \"%s\"\n", __FUNCTION__, i, name));
return i; /* default - the primary interface */
}
char *
dhd_ifname(dhd_pub_t *dhdp, int ifidx)
{
dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
ASSERT(dhd);
if (ifidx < 0 || ifidx >= DHD_MAX_IFS) {
DHD_ERROR(("%s: ifidx %d out of range\n", __FUNCTION__, ifidx));
return "<if_bad>";
}
if (dhd->iflist[ifidx] == NULL) {
DHD_ERROR(("%s: null i/f %d\n", __FUNCTION__, ifidx));
return "<if_null>";
}
if (dhd->iflist[ifidx]->net)
return dhd->iflist[ifidx]->net->name;
return "<if_none>";
}
uint8 *
dhd_bssidx2bssid(dhd_pub_t *dhdp, int idx)
{
int i;
dhd_info_t *dhd = (dhd_info_t *)dhdp;
ASSERT(dhd);
for (i = 0; i < DHD_MAX_IFS; i++)
if (dhd->iflist[i] && dhd->iflist[i]->bssidx == idx)
return dhd->iflist[i]->mac_addr;
return NULL;
}
static void
_dhd_set_multicast_list(dhd_info_t *dhd, int ifidx)
{
struct net_device *dev;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
struct netdev_hw_addr *ha;
#else
struct dev_mc_list *mclist;
#endif
uint32 allmulti, cnt;
wl_ioctl_t ioc;
char *buf, *bufp;
uint buflen;
int ret;
if (!dhd->iflist[ifidx]) {
DHD_ERROR(("%s : dhd->iflist[%d] was NULL\n", __FUNCTION__, ifidx));
return;
}
dev = dhd->iflist[ifidx]->net;
if (!dev)
return;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
netif_addr_lock_bh(dev);
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
cnt = netdev_mc_count(dev);
#else
cnt = dev->mc_count;
#endif /* LINUX_VERSION_CODE */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
netif_addr_unlock_bh(dev);
#endif
/* Determine initial value of allmulti flag */
allmulti = (dev->flags & IFF_ALLMULTI) ? TRUE : FALSE;
/* Send down the multicast list first. */
buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETHER_ADDR_LEN);
if (!(bufp = buf = MALLOC(dhd->pub.osh, buflen))) {
DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n",
dhd_ifname(&dhd->pub, ifidx), cnt));
return;
}
strncpy(bufp, "mcast_list", buflen - 1);
bufp[buflen - 1] = '\0';
bufp += strlen("mcast_list") + 1;
cnt = htol32(cnt);
memcpy(bufp, &cnt, sizeof(cnt));
bufp += sizeof(cnt);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
netif_addr_lock_bh(dev);
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
netdev_for_each_mc_addr(ha, dev) {
if (!cnt)
break;
memcpy(bufp, ha->addr, ETHER_ADDR_LEN);
bufp += ETHER_ADDR_LEN;
cnt--;
}
#else
for (mclist = dev->mc_list; (mclist && (cnt > 0));
cnt--, mclist = mclist->next) {
memcpy(bufp, (void *)mclist->dmi_addr, ETHER_ADDR_LEN);
bufp += ETHER_ADDR_LEN;
}
#endif /* LINUX_VERSION_CODE */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
netif_addr_unlock_bh(dev);
#endif
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = WLC_SET_VAR;
ioc.buf = buf;
ioc.len = buflen;
ioc.set = TRUE;
ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
if (ret < 0) {
DHD_ERROR(("%s: set mcast_list failed, cnt %d\n",
dhd_ifname(&dhd->pub, ifidx), cnt));
allmulti = cnt ? TRUE : allmulti;
}
MFREE(dhd->pub.osh, buf, buflen);
/* Now send the allmulti setting. This is based on the setting in the
* net_device flags, but might be modified above to be turned on if we
* were trying to set some addresses and dongle rejected it...
*/
buflen = sizeof("allmulti") + sizeof(allmulti);
if (!(buf = MALLOC(dhd->pub.osh, buflen))) {
DHD_ERROR(("%s: out of memory for allmulti\n", dhd_ifname(&dhd->pub, ifidx)));
return;
}
allmulti = htol32(allmulti);
if (!bcm_mkiovar("allmulti", (void*)&allmulti, sizeof(allmulti), buf, buflen)) {
DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d buflen %u\n",
dhd_ifname(&dhd->pub, ifidx), (int)sizeof(allmulti), buflen));
MFREE(dhd->pub.osh, buf, buflen);
return;
}
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = WLC_SET_VAR;
ioc.buf = buf;
ioc.len = buflen;
ioc.set = TRUE;
ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
if (ret < 0) {
DHD_ERROR(("%s: set allmulti %d failed\n",
dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti)));
}
MFREE(dhd->pub.osh, buf, buflen);
/* Finally, pick up the PROMISC flag as well, like the NIC driver does */
allmulti = (dev->flags & IFF_PROMISC) ? TRUE : FALSE;
allmulti = htol32(allmulti);
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = WLC_SET_PROMISC;
ioc.buf = &allmulti;
ioc.len = sizeof(allmulti);
ioc.set = TRUE;
ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
if (ret < 0) {
DHD_ERROR(("%s: set promisc %d failed\n",
dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti)));
}
}
int
_dhd_set_mac_address(dhd_info_t *dhd, int ifidx, uint8 *addr)
{
char buf[32];
wl_ioctl_t ioc;
int ret;
if (!bcm_mkiovar("cur_etheraddr", (char*)addr, ETHER_ADDR_LEN, buf, 32)) {
DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", dhd_ifname(&dhd->pub, ifidx)));
return -1;
}
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = WLC_SET_VAR;
ioc.buf = buf;
ioc.len = 32;
ioc.set = TRUE;
ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
if (ret < 0) {
DHD_ERROR(("%s: set cur_etheraddr failed\n", dhd_ifname(&dhd->pub, ifidx)));
} else {
memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETHER_ADDR_LEN);
if (ifidx == 0)
memcpy(dhd->pub.mac.octet, addr, ETHER_ADDR_LEN);
}
return ret;
}
#ifdef SOFTAP
extern struct net_device *ap_net_dev;
extern tsk_ctl_t ap_eth_ctl; /* ap netdev heper thread ctl */
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
int32 dhd_role_to_nl80211_iftype(int32 role)
{
switch (role) {
case WLC_E_IF_ROLE_STA:
return NL80211_IFTYPE_STATION;
case WLC_E_IF_ROLE_AP:
return NL80211_IFTYPE_AP;
case WLC_E_IF_ROLE_WDS:
return NL80211_IFTYPE_WDS;
case WLC_E_IF_ROLE_P2P_GO:
return NL80211_IFTYPE_P2P_GO;
case WLC_E_IF_ROLE_P2P_CLIENT:
return NL80211_IFTYPE_P2P_CLIENT;
case WLC_E_IF_ROLE_IBSS:
return NL80211_IFTYPE_ADHOC;
default:
return NL80211_IFTYPE_UNSPECIFIED;
}
}
#endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */
static void
dhd_ifadd_event_handler(void *handle, void *event_info, u8 event)
{
dhd_info_t *dhd = handle;
dhd_if_event_t *if_event = event_info;
struct net_device *ndev;
int ifidx, bssidx;
int ret;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
struct wireless_dev *vwdev, *primary_wdev;
struct net_device *primary_ndev;
#endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */
if (event != DHD_WQ_WORK_IF_ADD) {
DHD_ERROR(("%s: unexpected event \n", __FUNCTION__));
return;
}
if (!dhd) {
DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__));
return;
}
if (!if_event) {
DHD_ERROR(("%s: event data is null \n", __FUNCTION__));
return;
}
dhd_net_if_lock_local(dhd);
DHD_OS_WAKE_LOCK(&dhd->pub);
ifidx = if_event->event.ifidx;
bssidx = if_event->event.bssidx;
DHD_TRACE(("%s: registering if with ifidx %d\n", __FUNCTION__, ifidx));
ndev = dhd_allocate_if(&dhd->pub, ifidx, if_event->name,
if_event->mac, bssidx, TRUE, if_event->name);
if (!ndev) {
DHD_ERROR(("%s: net device alloc failed \n", __FUNCTION__));
goto done;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
vwdev = kzalloc(sizeof(*vwdev), GFP_KERNEL);
if (unlikely(!vwdev)) {
DHD_ERROR(("Could not allocate wireless device\n"));
goto done;
}
primary_ndev = dhd->pub.info->iflist[0]->net;
primary_wdev = ndev_to_wdev(primary_ndev);
vwdev->wiphy = primary_wdev->wiphy;
vwdev->iftype = dhd_role_to_nl80211_iftype(if_event->event.role);
vwdev->netdev = ndev;
ndev->ieee80211_ptr = vwdev;
SET_NETDEV_DEV(ndev, wiphy_dev(vwdev->wiphy));
DHD_ERROR(("virtual interface(%s) is created\n", if_event->name));
#endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */
ret = dhd_register_if(&dhd->pub, ifidx, TRUE);
if (ret != BCME_OK) {
DHD_ERROR(("%s: dhd_register_if failed\n", __FUNCTION__));
dhd_remove_if(&dhd->pub, ifidx, TRUE);
}
done:
MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t));
DHD_OS_WAKE_UNLOCK(&dhd->pub);
dhd_net_if_unlock_local(dhd);
}
static void
dhd_ifdel_event_handler(void *handle, void *event_info, u8 event)
{
dhd_info_t *dhd = handle;
int ifidx;
dhd_if_event_t *if_event = event_info;
if (event != DHD_WQ_WORK_IF_DEL) {
DHD_ERROR(("%s: unexpected event \n", __FUNCTION__));
return;
}
if (!dhd) {
DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__));
return;
}
if (!if_event) {
DHD_ERROR(("%s: event data is null \n", __FUNCTION__));
return;
}
dhd_net_if_lock_local(dhd);
DHD_OS_WAKE_LOCK(&dhd->pub);
ifidx = if_event->event.ifidx;
DHD_TRACE(("Removing interface with idx %d\n", ifidx));
dhd_remove_if(&dhd->pub, ifidx, TRUE);
MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t));
DHD_OS_WAKE_UNLOCK(&dhd->pub);
dhd_net_if_unlock_local(dhd);
}
static void
dhd_set_mac_addr_handler(void *handle, void *event_info, u8 event)
{
dhd_info_t *dhd = handle;
dhd_if_t *ifp = event_info;
#ifdef SOFTAP
unsigned long flags;
bool in_ap = FALSE;
#endif
if (event != DHD_WQ_WORK_SET_MAC) {
DHD_ERROR(("%s: unexpected event \n", __FUNCTION__));
}
if (!dhd) {
DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__));
return;
}
#ifdef SOFTAP
flags = dhd_os_spin_lock(&dhd->pub);
in_ap = (ap_net_dev != NULL);
dhd_os_spin_unlock(&dhd->pub, flags);
if (in_ap) {
DHD_ERROR(("attempt to set MAC for %s in AP Mode, blocked. \n",
ifp->net->name));
return;
}
#endif
dhd_net_if_lock_local(dhd);
DHD_OS_WAKE_LOCK(&dhd->pub);
if (ifp == NULL || !dhd->pub.up) {
DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__));
goto done;
}
DHD_ERROR(("%s: MACID is overwritten\n", __FUNCTION__));
ifp->set_macaddress = FALSE;
if (_dhd_set_mac_address(dhd, ifp->idx, ifp->mac_addr) == 0)
DHD_INFO(("%s: MACID is overwritten\n", __FUNCTION__));
else
DHD_ERROR(("%s: _dhd_set_mac_address() failed\n", __FUNCTION__));
done:
DHD_OS_WAKE_UNLOCK(&dhd->pub);
dhd_net_if_unlock_local(dhd);
}
static void
dhd_set_mcast_list_handler(void *handle, void *event_info, u8 event)
{
dhd_info_t *dhd = handle;
int ifidx = (int)((long int)event_info);
dhd_if_t *ifp = NULL;
#ifdef SOFTAP
bool in_ap = FALSE;
unsigned long flags;
#endif
if (event != DHD_WQ_WORK_SET_MCAST_LIST) {
DHD_ERROR(("%s: unexpected event \n", __FUNCTION__));
return;
}
if (!dhd) {
DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__));
return;
}
#ifdef SOFTAP
ifp = dhd->iflist[ifidx];
flags = dhd_os_spin_lock(&dhd->pub);
in_ap = (ap_net_dev != NULL);
dhd_os_spin_unlock(&dhd->pub, flags);
if (in_ap) {
DHD_ERROR(("set MULTICAST list for %s in AP Mode, blocked. \n",
ifp->net->name));
ifp->set_multicast = FALSE;
return;
}
#endif
dhd_net_if_lock_local(dhd);
DHD_OS_WAKE_LOCK(&dhd->pub);
/* Be sure to make corresponding (dhd_if_t*) pointer after lock() */
ifp = dhd->iflist[ifidx];
if (ifp == NULL || !dhd->pub.up) {
DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__));
goto done;
}
ifidx = ifp->idx;
_dhd_set_multicast_list(dhd, ifidx);
DHD_INFO(("%s: set multicast list for if %d\n", __FUNCTION__, ifidx));
done:
DHD_OS_WAKE_UNLOCK(&dhd->pub);
dhd_net_if_unlock_local(dhd);
}
static int
dhd_set_mac_address(struct net_device *dev, void *addr)
{
int ret = 0;
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
struct sockaddr *sa = (struct sockaddr *)addr;
int ifidx;
dhd_if_t *dhdif;
ifidx = dhd_net2idx(dhd, dev);
if (ifidx == DHD_BAD_IF)
return -1;
dhdif = dhd->iflist[ifidx];
dhd_net_if_lock_local(dhd);
memcpy(dhdif->mac_addr, sa->sa_data, ETHER_ADDR_LEN);
dhdif->set_macaddress = TRUE;
dhd_net_if_unlock_local(dhd);
dhd_deferred_schedule_work((void *)dhdif, DHD_WQ_WORK_SET_MAC,
dhd_set_mac_addr_handler, DHD_WORK_PRIORITY_LOW);
return ret;
}
static void
dhd_set_multicast_list(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ifidx;
ifidx = dhd_net2idx(dhd, dev);
if (ifidx == DHD_BAD_IF)
return;
dhd->iflist[ifidx]->set_multicast = TRUE;
dhd_deferred_schedule_work((void *)((long int)ifidx), DHD_WQ_WORK_SET_MCAST_LIST,
dhd_set_mcast_list_handler, DHD_WORK_PRIORITY_LOW);
}
#ifdef PROP_TXSTATUS
int
dhd_os_wlfc_block(dhd_pub_t *pub)
{
dhd_info_t *di = (dhd_info_t *)(pub->info);
ASSERT(di != NULL);
spin_lock_bh(&di->wlfc_spinlock);
return 1;
}
int
dhd_os_wlfc_unblock(dhd_pub_t *pub)
{
dhd_info_t *di = (dhd_info_t *)(pub->info);
ASSERT(di != NULL);
spin_unlock_bh(&di->wlfc_spinlock);
return 1;
}
const uint8 wme_fifo2ac[] = { 0, 1, 2, 3, 1, 1 };
const uint8 prio2fifo[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
#define WME_PRIO2AC(prio) wme_fifo2ac[prio2fifo[(prio)]]
#endif /* PROP_TXSTATUS */
int BCMFASTPATH
dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf)
{
int ret = BCME_OK;
dhd_info_t *dhd = (dhd_info_t *)(dhdp->info);
struct ether_header *eh = NULL;
/* Reject if down */
if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) {
/* free the packet here since the caller won't */
PKTFREE(dhdp->osh, pktbuf, TRUE);
return -ENODEV;
}
/* Update multicast statistic */
if (PKTLEN(dhdp->osh, pktbuf) >= ETHER_HDR_LEN) {
uint8 *pktdata = (uint8 *)PKTDATA(dhdp->osh, pktbuf);
eh = (struct ether_header *)pktdata;
if (ETHER_ISMULTI(eh->ether_dhost))
dhdp->tx_multicast++;
if (ntoh16(eh->ether_type) == ETHER_TYPE_802_1X)
atomic_inc(&dhd->pend_8021x_cnt);
} else {
PKTFREE(dhd->pub.osh, pktbuf, TRUE);
return BCME_ERROR;
}
#ifdef DHDTCPACK_SUPPRESS
/* If this packet has replaced another packet and got freed, just return */
if (dhd_tcpack_suppress(dhdp, pktbuf))
return ret;
#endif /* DHDTCPACK_SUPPRESS */
/* Look into the packet and update the packet priority */
#ifndef PKTPRIO_OVERRIDE
if (PKTPRIO(pktbuf) == 0)
#endif
pktsetprio(pktbuf, FALSE);
#ifdef PROP_TXSTATUS
if (dhd_wlfc_is_supported(dhdp)) {
/* store the interface ID */
DHD_PKTTAG_SETIF(PKTTAG(pktbuf), ifidx);
/* store destination MAC in the tag as well */
DHD_PKTTAG_SETDSTN(PKTTAG(pktbuf), eh->ether_dhost);
/* decide which FIFO this packet belongs to */
if (ETHER_ISMULTI(eh->ether_dhost))
/* one additional queue index (highest AC + 1) is used for bc/mc queue */
DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), AC_COUNT);
else
DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), WME_PRIO2AC(PKTPRIO(pktbuf)));
} else
#endif /* PROP_TXSTATUS */
/* If the protocol uses a data header, apply it */
dhd_prot_hdrpush(dhdp, ifidx, pktbuf);
/* Use bus module to send data frame */
#ifdef WLMEDIA_HTSF
dhd_htsf_addtxts(dhdp, pktbuf);
#endif
#ifdef PROP_TXSTATUS
{
if (dhd_wlfc_commit_packets(dhdp, (f_commitpkt_t)dhd_bus_txdata,
dhdp->bus, pktbuf, TRUE) == WLFC_UNSUPPORTED) {
/* non-proptxstatus way */
ret = dhd_bus_txdata(dhdp->bus, pktbuf);
}
}
#else
#ifdef BCMPCIE
ret = dhd_bus_txdata(dhdp->bus, pktbuf, (uint8)ifidx);
#else
ret = dhd_bus_txdata(dhdp->bus, pktbuf);
#endif /* BCMPCIE */
#endif /* PROP_TXSTATUS */
return ret;
}
int BCMFASTPATH
dhd_start_xmit(struct sk_buff *skb, struct net_device *net)
{
int ret;
uint datalen;
void *pktbuf;
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
dhd_if_t *ifp = NULL;
int ifidx;
#ifdef WLMEDIA_HTSF
uint8 htsfdlystat_sz = dhd->pub.htsfdlystat_sz;
#else
uint8 htsfdlystat_sz = 0;
#endif
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
DHD_OS_WAKE_LOCK(&dhd->pub);
/* Reject if down */
if (dhd->pub.busstate == DHD_BUS_DOWN || dhd->pub.hang_was_sent) {
DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d \n",
__FUNCTION__, dhd->pub.up, dhd->pub.busstate));
netif_stop_queue(net);
/* Send Event when bus down detected during data session */
if (dhd->pub.up) {
DHD_ERROR(("%s: Event HANG sent up\n", __FUNCTION__));
net_os_send_hang_message(net);
}
DHD_OS_WAKE_UNLOCK(&dhd->pub);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20))
return -ENODEV;
#else
return NETDEV_TX_BUSY;
#endif
}
ifidx = dhd_net2idx(dhd, net);
if (ifidx == DHD_BAD_IF) {
DHD_ERROR(("%s: bad ifidx %d\n", __FUNCTION__, ifidx));
netif_stop_queue(net);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20))
return -ENODEV;
#else
return NETDEV_TX_BUSY;
#endif
}
/* re-align socket buffer if "skb->data" is odd adress */
if (((unsigned long)(skb->data)) & 0x1) {
unsigned char *data = skb->data;
uint32 length = skb->len;
PKTPUSH(dhd->pub.osh, skb, 1);
memmove(skb->data, data, length);
PKTSETLEN(dhd->pub.osh, skb, length);
}
ifp = dhd->iflist[ifidx];
datalen = PKTLEN(dhd->pub.osh, skb);
/* Make sure there's enough room for any header */
if (skb_headroom(skb) < dhd->pub.hdrlen + htsfdlystat_sz) {
struct sk_buff *skb2;
DHD_INFO(("%s: insufficient headroom\n",
dhd_ifname(&dhd->pub, ifidx)));
dhd->pub.tx_realloc++;
skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen + htsfdlystat_sz);
dev_kfree_skb(skb);
if ((skb = skb2) == NULL) {
DHD_ERROR(("%s: skb_realloc_headroom failed\n",
dhd_ifname(&dhd->pub, ifidx)));
ret = -ENOMEM;
goto done;
}
}
/* Convert to packet */
if (!(pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb))) {
DHD_ERROR(("%s: PKTFRMNATIVE failed\n",
dhd_ifname(&dhd->pub, ifidx)));
dev_kfree_skb_any(skb);
ret = -ENOMEM;
goto done;
}
#ifdef WLMEDIA_HTSF
if (htsfdlystat_sz && PKTLEN(dhd->pub.osh, pktbuf) >= ETHER_ADDR_LEN) {
uint8 *pktdata = (uint8 *)PKTDATA(dhd->pub.osh, pktbuf);
struct ether_header *eh = (struct ether_header *)pktdata;
if (!ETHER_ISMULTI(eh->ether_dhost) &&
(ntoh16(eh->ether_type) == ETHER_TYPE_IP)) {
eh->ether_type = hton16(ETHER_TYPE_BRCM_PKTDLYSTATS);
}
}
#endif
ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf);
done:
if (ret) {
ifp->stats.tx_dropped++;
}
else {
#ifdef PROP_TXSTATUS
/* tx_packets counter can counted only when wlfc is disabled */
if (!dhd_wlfc_is_supported(&dhd->pub))
#endif
{
dhd->pub.tx_packets++;
ifp->stats.tx_packets++;
ifp->stats.tx_bytes += datalen;
}
}
DHD_OS_WAKE_UNLOCK(&dhd->pub);
/* Return ok: we always eat the packet */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20))
return 0;
#else
return NETDEV_TX_OK;
#endif
}
void
dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state)
{
struct net_device *net;
dhd_info_t *dhd = dhdp->info;
int i;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
ASSERT(dhd);
if (ifidx == ALL_INTERFACES) {
/* Flow control on all active interfaces */
dhdp->txoff = state;
for (i = 0; i < DHD_MAX_IFS; i++) {
if (dhd->iflist[i]) {
net = dhd->iflist[i]->net;
if (state == ON)
netif_stop_queue(net);
else
netif_wake_queue(net);
}
}
}
else {
if (dhd->iflist[ifidx]) {
net = dhd->iflist[ifidx]->net;
if (state == ON)
netif_stop_queue(net);
else
netif_wake_queue(net);
}
}
}
#ifdef DHD_RX_DUMP
typedef struct {
uint16 type;
const char *str;
} PKTTYPE_INFO;
static const PKTTYPE_INFO packet_type_info[] =
{
{ ETHER_TYPE_IP, "IP" },
{ ETHER_TYPE_ARP, "ARP" },
{ ETHER_TYPE_BRCM, "BRCM" },
{ ETHER_TYPE_802_1X, "802.1X" },
{ ETHER_TYPE_WAI, "WAPI" },
{ 0, ""}
};
static const char *_get_packet_type_str(uint16 type)
{
int i;
int n = sizeof(packet_type_info)/sizeof(packet_type_info[1]) - 1;
for (i = 0; i < n; i++) {
if (packet_type_info[i].type == type)
return packet_type_info[i].str;
}
return packet_type_info[n].str;
}
#endif /* DHD_RX_DUMP */
void
dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *pktbuf, int numpkt, uint8 chan)
{
dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
struct sk_buff *skb;
uchar *eth;
uint len;
void *data, *pnext = NULL;
int i;
dhd_if_t *ifp;
wl_event_msg_t event;
int tout_rx = 0;
int tout_ctrl = 0;
void *skbhead = NULL;
void *skbprev = NULL;
#if defined(DHD_RX_DUMP) || defined(DHD_8021X_DUMP)
char *dump_data;
uint16 protocol;
#endif /* DHD_RX_DUMP || DHD_8021X_DUMP */
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) {
struct ether_header *eh;
pnext = PKTNEXT(dhdp->osh, pktbuf);
PKTSETNEXT(dhdp->osh, pktbuf, NULL);
ifp = dhd->iflist[ifidx];
if (ifp == NULL) {
DHD_ERROR(("%s: ifp is NULL. drop packet\n",
__FUNCTION__));
PKTFREE(dhdp->osh, pktbuf, FALSE);
continue;
}
eh = (struct ether_header *)PKTDATA(dhdp->osh, pktbuf);
/* Dropping only data packets before registering net device to avoid kernel panic */
#ifndef PROP_TXSTATUS_VSDB
if ((!ifp->net || ifp->net->reg_state != NETREG_REGISTERED) &&
(ntoh16(eh->ether_type) != ETHER_TYPE_BRCM)) {
#else
if ((!ifp->net || ifp->net->reg_state != NETREG_REGISTERED || !dhd->pub.up) &&
(ntoh16(eh->ether_type) != ETHER_TYPE_BRCM)) {
#endif /* PROP_TXSTATUS_VSDB */
DHD_ERROR(("%s: net device is NOT registered yet. drop packet\n",
__FUNCTION__));
PKTFREE(dhdp->osh, pktbuf, FALSE);
continue;
}
#ifdef PROP_TXSTATUS
if (dhd_wlfc_is_header_only_pkt(dhdp, pktbuf)) {
/* WLFC may send header only packet when
there is an urgent message but no packet to
piggy-back on
*/
PKTFREE(dhdp->osh, pktbuf, FALSE);
continue;
}
#endif
#ifdef DHDTCPACK_SUPPRESS
dhd_tcpdata_info_get(dhdp, pktbuf);
#endif
skb = PKTTONATIVE(dhdp->osh, pktbuf);
ifp = dhd->iflist[ifidx];
if (ifp == NULL)
ifp = dhd->iflist[0];
ASSERT(ifp);
skb->dev = ifp->net;
/* Get the protocol, maintain skb around eth_type_trans()
* The main reason for this hack is for the limitation of
* Linux 2.4 where 'eth_type_trans' uses the 'net->hard_header_len'
* to perform skb_pull inside vs ETH_HLEN. Since to avoid
* coping of the packet coming from the network stack to add
* BDC, Hardware header etc, during network interface registration
* we set the 'net->hard_header_len' to ETH_HLEN + extra space required
* for BDC, Hardware header etc. and not just the ETH_HLEN
*/
eth = skb->data;
len = skb->len;
#if defined(DHD_RX_DUMP) || defined(DHD_8021X_DUMP)
dump_data = skb->data;
protocol = (dump_data[12] << 8) | dump_data[13];
if (protocol == ETHER_TYPE_802_1X) {
DHD_ERROR(("ETHER_TYPE_802_1X: "
"ver %d, type %d, replay %d\n",
dump_data[14], dump_data[15],
dump_data[30]));
}
#endif /* DHD_RX_DUMP || DHD_8021X_DUMP */
#if defined(DHD_RX_DUMP)
DHD_ERROR(("RX DUMP - %s\n", _get_packet_type_str(protocol)));
if (protocol != ETHER_TYPE_BRCM) {
if (dump_data[0] == 0xFF) {
DHD_ERROR(("%s: BROADCAST\n", __FUNCTION__));
if ((dump_data[12] == 8) &&
(dump_data[13] == 6)) {
DHD_ERROR(("%s: ARP %d\n",
__FUNCTION__, dump_data[0x15]));
}
} else if (dump_data[0] & 1) {
DHD_ERROR(("%s: MULTICAST: " MACDBG "\n",
__FUNCTION__, MAC2STRDBG(dump_data)));
}
#ifdef DHD_RX_FULL_DUMP
{
int k;
for (k = 0; k < skb->len; k++) {
DHD_ERROR(("%02X ", dump_data[k]));
if ((k & 15) == 15)
DHD_ERROR(("\n"));
}
DHD_ERROR(("\n"));
}
#endif /* DHD_RX_FULL_DUMP */
}
#endif /* DHD_RX_DUMP */
skb->protocol = eth_type_trans(skb, skb->dev);
if (skb->pkt_type == PACKET_MULTICAST) {
dhd->pub.rx_multicast++;
ifp->stats.multicast++;
}
skb->data = eth;
skb->len = len;
#ifdef WLMEDIA_HTSF
dhd_htsf_addrxts(dhdp, pktbuf);
#endif
/* Strip header, count, deliver upward */
skb_pull(skb, ETH_HLEN);
/* Process special event packets and then discard them */
memset(&event, 0, sizeof(event));
if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM) {
dhd_wl_host_event(dhd, &ifidx,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
skb_mac_header(skb),
#else
skb->mac.raw,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) */
len > ETHER_TYPE_LEN ? len - ETHER_TYPE_LEN : 0,
&event,
&data);
wl_event_to_host_order(&event);
if (!tout_ctrl)
tout_ctrl = DHD_PACKET_TIMEOUT_MS;
#if defined(PNO_SUPPORT)
if (event.event_type == WLC_E_PFN_NET_FOUND) {
/* enforce custom wake lock to garantee that Kernel not suspended */
tout_ctrl = CUSTOM_PNO_EVENT_LOCK_xTIME * DHD_PACKET_TIMEOUT_MS;
}
#endif /* PNO_SUPPORT */
#ifdef DHD_DONOT_FORWARD_BCMEVENT_AS_NETWORK_PKT
PKTFREE(dhdp->osh, pktbuf, FALSE);
continue;
#endif /* DHD_DONOT_FORWARD_BCMEVENT_AS_NETWORK_PKT */
} else {
tout_rx = DHD_PACKET_TIMEOUT_MS;
#ifdef PROP_TXSTATUS
dhd_wlfc_save_rxpath_ac_time(dhdp, (uint8)PKTPRIO(skb));
#endif /* PROP_TXSTATUS */
}
ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]);
ifp = dhd->iflist[ifidx];
if (ifp->net)
ifp->net->last_rx = jiffies;
if (ntoh16(skb->protocol) != ETHER_TYPE_BRCM) {
dhdp->dstats.rx_bytes += skb->len;
dhdp->rx_packets++; /* Local count */
ifp->stats.rx_bytes += skb->len;
ifp->stats.rx_packets++;
}
if (in_interrupt()) {
netif_rx(skb);
} else {
if (dhd->rxthread_enabled) {
if (!skbhead)
skbhead = skb;
else
PKTSETNEXT(dhdp->osh, skbprev, skb);
skbprev = skb;
} else {
/* If the receive is not processed inside an ISR,
* the softirqd must be woken explicitly to service
* the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled
* by netif_rx_ni(), but in earlier kernels, we need
* to do it manually.
*/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
netif_rx_ni(skb);
#else
ulong flags;
netif_rx(skb);
local_irq_save(flags);
RAISE_RX_SOFTIRQ();
local_irq_restore(flags);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */
}
}
}
if (dhd->rxthread_enabled && skbhead)
dhd_sched_rxf(dhdp, skbhead);
DHD_OS_WAKE_LOCK_RX_TIMEOUT_ENABLE(dhdp, tout_rx);
DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhdp, tout_ctrl);
}
void
dhd_event(struct dhd_info *dhd, char *evpkt, uint evlen, int ifidx)
{
/* Linux version has nothing to do */
return;
}
void
dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success)
{
dhd_info_t *dhd = (dhd_info_t *)(dhdp->info);
struct ether_header *eh;
uint16 type;
dhd_prot_hdrpull(dhdp, NULL, txp, NULL, NULL);
eh = (struct ether_header *)PKTDATA(dhdp->osh, txp);
type = ntoh16(eh->ether_type);
if (type == ETHER_TYPE_802_1X)
atomic_dec(&dhd->pend_8021x_cnt);
#ifdef PROP_TXSTATUS
if (dhdp->wlfc_state && (dhdp->proptxstatus_mode != WLFC_FCMODE_NONE)) {
dhd_if_t *ifp = dhd->iflist[DHD_PKTTAG_IF(PKTTAG(txp))];
uint datalen = PKTLEN(dhd->pub.osh, txp);
if (success) {
dhd->pub.tx_packets++;
ifp->stats.tx_packets++;
ifp->stats.tx_bytes += datalen;
} else {
ifp->stats.tx_dropped++;
}
}
#endif
}
static struct net_device_stats *
dhd_get_stats(struct net_device *net)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
dhd_if_t *ifp;
int ifidx;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
ifidx = dhd_net2idx(dhd, net);
if (ifidx == DHD_BAD_IF) {
DHD_ERROR(("%s: BAD_IF\n", __FUNCTION__));
memset(&net->stats, 0, sizeof(net->stats));
return &net->stats;
}
ifp = dhd->iflist[ifidx];
ASSERT(dhd && ifp);
if (dhd->pub.up) {
/* Use the protocol to get dongle stats */
dhd_prot_dstats(&dhd->pub);
}
return &ifp->stats;
}
static int
dhd_watchdog_thread(void *data)
{
tsk_ctl_t *tsk = (tsk_ctl_t *)data;
dhd_info_t *dhd = (dhd_info_t *)tsk->parent;
/* This thread doesn't need any user-level access,
* so get rid of all our resources
*/
if (dhd_watchdog_prio > 0) {
struct sched_param param;
param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO)?
dhd_watchdog_prio:(MAX_RT_PRIO-1);
setScheduler(current, SCHED_FIFO, &param);
}
while (1)
if (down_interruptible (&tsk->sema) == 0) {
unsigned long flags;
unsigned long jiffies_at_start = jiffies;
unsigned long time_lapse;
SMP_RD_BARRIER_DEPENDS();
if (tsk->terminated) {
break;
}
dhd_os_sdlock(&dhd->pub);
if (dhd->pub.dongle_reset == FALSE) {
DHD_TIMER(("%s:\n", __FUNCTION__));
/* Call the bus module watchdog */
dhd_bus_watchdog(&dhd->pub);
flags = dhd_os_spin_lock(&dhd->pub);
/* Count the tick for reference */
dhd->pub.tickcnt++;
time_lapse = jiffies - jiffies_at_start;
/* Reschedule the watchdog */
if (dhd->wd_timer_valid)
mod_timer(&dhd->timer,
jiffies +
msecs_to_jiffies(dhd_watchdog_ms) -
min(msecs_to_jiffies(dhd_watchdog_ms), time_lapse));
dhd_os_spin_unlock(&dhd->pub, flags);
}
dhd_os_sdunlock(&dhd->pub);
} else {
break;
}
complete_and_exit(&tsk->completed, 0);
}
static void dhd_watchdog(ulong data)
{
dhd_info_t *dhd = (dhd_info_t *)data;
unsigned long flags;
if (dhd->pub.dongle_reset) {
return;
}
if (dhd->thr_wdt_ctl.thr_pid >= 0) {
up(&dhd->thr_wdt_ctl.sema);
return;
}
dhd_os_sdlock(&dhd->pub);
/* Call the bus module watchdog */
dhd_bus_watchdog(&dhd->pub);
flags = dhd_os_spin_lock(&dhd->pub);
/* Count the tick for reference */
dhd->pub.tickcnt++;
/* Reschedule the watchdog */
if (dhd->wd_timer_valid)
mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms));
dhd_os_spin_unlock(&dhd->pub, flags);
dhd_os_sdunlock(&dhd->pub);
}
#ifdef ENABLE_ADAPTIVE_SCHED
/* DPC thread policy */
static int dhd_dpc_poli = SCHED_FIFO;
static void
dhd_sched_policy(int prio)
{
struct sched_param param;
if (cpufreq_quick_get(0) <= CUSTOM_CPUFREQ_THRESH) {
param.sched_priority = 0;
setScheduler(current, SCHED_NORMAL, &param);
} else {
if (get_scheduler_policy(current) != SCHED_FIFO) {
param.sched_priority = (prio < MAX_RT_PRIO)? prio : (MAX_RT_PRIO-1);
setScheduler(current, dhd_dpc_poli, &param);
}
}
}
#endif /* ENABLE_ADAPTIVE_SCHED */
#ifdef DEBUG_CPU_FREQ
static int dhd_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data)
{
dhd_info_t *dhd = container_of(nb, struct dhd_info, freq_trans);
struct cpufreq_freqs *freq = data;
if (dhd) {
if (!dhd->new_freq)
goto exit;
if (val == CPUFREQ_POSTCHANGE) {
DHD_ERROR(("cpu freq is changed to %u kHZ on CPU %d\n",
freq->new, freq->cpu));
*per_cpu_ptr(dhd->new_freq, freq->cpu) = freq->new;
}
}
exit:
return 0;
}
#endif /* DEBUG_CPU_FREQ */
static int
dhd_dpc_thread(void *data)
{
tsk_ctl_t *tsk = (tsk_ctl_t *)data;
dhd_info_t *dhd = (dhd_info_t *)tsk->parent;
/* This thread doesn't need any user-level access,
* so get rid of all our resources
*/
if (dhd_dpc_prio > 0)
{
struct sched_param param;
param.sched_priority = (dhd_dpc_prio < MAX_RT_PRIO)?dhd_dpc_prio:(MAX_RT_PRIO-1);
setScheduler(current, SCHED_FIFO, &param);
}
#ifdef CUSTOM_DPC_CPUCORE
set_cpus_allowed_ptr(current, cpumask_of(CUSTOM_DPC_CPUCORE));
#endif
#ifdef CUSTOM_SET_CPUCORE
dhd->pub.current_dpc = current;
#endif /* CUSTOM_SET_CPUCORE */
/* Run until signal received */
while (1) {
if (!binary_sema_down(tsk)) {
#ifdef ENABLE_ADAPTIVE_SCHED
dhd_sched_policy(dhd_dpc_prio);
#endif /* ENABLE_ADAPTIVE_SCHED */
SMP_RD_BARRIER_DEPENDS();
if (tsk->terminated) {
break;
}
/* Call bus dpc unless it indicated down (then clean stop) */
if (dhd->pub.busstate != DHD_BUS_DOWN) {
dhd_os_wd_timer_extend(&dhd->pub, TRUE);
while (dhd_bus_dpc(dhd->pub.bus)) {
/* process all data */
}
dhd_os_wd_timer_extend(&dhd->pub, FALSE);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
} else {
if (dhd->pub.up)
dhd_bus_stop(dhd->pub.bus, TRUE);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
}
}
else
break;
}
complete_and_exit(&tsk->completed, 0);
}
static int
dhd_rxf_thread(void *data)
{
tsk_ctl_t *tsk = (tsk_ctl_t *)data;
dhd_info_t *dhd = (dhd_info_t *)tsk->parent;
dhd_pub_t *pub = &dhd->pub;
#if defined(WAIT_DEQUEUE)
#define RXF_WATCHDOG_TIME 250 /* BARK_TIME(1000) / */
ulong watchdogTime = OSL_SYSUPTIME(); /* msec */
#endif
/* This thread doesn't need any user-level access,
* so get rid of all our resources
*/
if (dhd_rxf_prio > 0)
{
struct sched_param param;
param.sched_priority = (dhd_rxf_prio < MAX_RT_PRIO)?dhd_rxf_prio:(MAX_RT_PRIO-1);
setScheduler(current, SCHED_FIFO, &param);
}
#ifdef CUSTOM_SET_CPUCORE
dhd->pub.current_rxf = current;
#endif /* CUSTOM_SET_CPUCORE */
/* Run until signal received */
while (1) {
if (down_interruptible(&tsk->sema) == 0) {
void *skb;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
ulong flags;
#endif
#ifdef ENABLE_ADAPTIVE_SCHED
dhd_sched_policy(dhd_rxf_prio);
#endif /* ENABLE_ADAPTIVE_SCHED */
SMP_RD_BARRIER_DEPENDS();
if (tsk->terminated) {
break;
}
skb = dhd_rxf_dequeue(pub);
if (skb == NULL) {
continue;
}
while (skb) {
void *skbnext = PKTNEXT(pub->osh, skb);
PKTSETNEXT(pub->osh, skb, NULL);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
netif_rx_ni(skb);
#else
netif_rx(skb);
local_irq_save(flags);
RAISE_RX_SOFTIRQ();
local_irq_restore(flags);
#endif
skb = skbnext;
}
#if defined(WAIT_DEQUEUE)
if (OSL_SYSUPTIME() - watchdogTime > RXF_WATCHDOG_TIME) {
OSL_SLEEP(1);
watchdogTime = OSL_SYSUPTIME();
}
#endif
DHD_OS_WAKE_UNLOCK(pub);
}
else
break;
}
complete_and_exit(&tsk->completed, 0);
}
static void
dhd_dpc(ulong data)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)data;
/* this (tasklet) can be scheduled in dhd_sched_dpc[dhd_linux.c]
* down below , wake lock is set,
* the tasklet is initialized in dhd_attach()
*/
/* Call bus dpc unless it indicated down (then clean stop) */
if (dhd->pub.busstate != DHD_BUS_DOWN) {
if (dhd_bus_dpc(dhd->pub.bus))
tasklet_schedule(&dhd->tasklet);
else
DHD_OS_WAKE_UNLOCK(&dhd->pub);
} else {
dhd_bus_stop(dhd->pub.bus, TRUE);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
}
}
void
dhd_sched_dpc(dhd_pub_t *dhdp)
{
dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
DHD_OS_WAKE_LOCK(dhdp);
if (dhd->thr_dpc_ctl.thr_pid >= 0) {
/* If the semaphore does not get up,
* wake unlock should be done here
*/
if (!binary_sema_up(&dhd->thr_dpc_ctl))
DHD_OS_WAKE_UNLOCK(dhdp);
return;
} else {
tasklet_schedule(&dhd->tasklet);
}
}
static void
dhd_sched_rxf(dhd_pub_t *dhdp, void *skb)
{
dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
#ifdef RXF_DEQUEUE_ON_BUSY
int ret = BCME_OK;
int retry = 2;
#endif /* RXF_DEQUEUE_ON_BUSY */
DHD_OS_WAKE_LOCK(dhdp);
DHD_TRACE(("dhd_sched_rxf: Enter\n"));
#ifdef RXF_DEQUEUE_ON_BUSY
do {
ret = dhd_rxf_enqueue(dhdp, skb);
if (ret == BCME_OK || ret == BCME_ERROR)
break;
else
OSL_SLEEP(50); /* waiting for dequeueing */
} while (retry-- > 0);
if (retry <= 0 && ret == BCME_BUSY) {
void *skbp = skb;
while (skbp) {
void *skbnext = PKTNEXT(dhdp->osh, skbp);
PKTSETNEXT(dhdp->osh, skbp, NULL);
netif_rx_ni(skbp);
skbp = skbnext;
}
DHD_ERROR(("send skb to kernel backlog without rxf_thread\n"));
}
else {
if (dhd->thr_rxf_ctl.thr_pid >= 0) {
up(&dhd->thr_rxf_ctl.sema);
}
}
#else /* RXF_DEQUEUE_ON_BUSY */
do {
if (dhd_rxf_enqueue(dhdp, skb) == BCME_OK)
break;
} while (1);
if (dhd->thr_rxf_ctl.thr_pid >= 0) {
up(&dhd->thr_rxf_ctl.sema);
}
return;
#endif /* RXF_DEQUEUE_ON_BUSY */
}
#ifdef TOE
/* Retrieve current toe component enables, which are kept as a bitmap in toe_ol iovar */
static int
dhd_toe_get(dhd_info_t *dhd, int ifidx, uint32 *toe_ol)
{
wl_ioctl_t ioc;
char buf[32];
int ret;
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = WLC_GET_VAR;
ioc.buf = buf;
ioc.len = (uint)sizeof(buf);
ioc.set = FALSE;
strncpy(buf, "toe_ol", sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) {
/* Check for older dongle image that doesn't support toe_ol */
if (ret == -EIO) {
DHD_ERROR(("%s: toe not supported by device\n",
dhd_ifname(&dhd->pub, ifidx)));
return -EOPNOTSUPP;
}
DHD_INFO(("%s: could not get toe_ol: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret));
return ret;
}
memcpy(toe_ol, buf, sizeof(uint32));
return 0;
}
/* Set current toe component enables in toe_ol iovar, and set toe global enable iovar */
static int
dhd_toe_set(dhd_info_t *dhd, int ifidx, uint32 toe_ol)
{
wl_ioctl_t ioc;
char buf[32];
int toe, ret;
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = WLC_SET_VAR;
ioc.buf = buf;
ioc.len = (uint)sizeof(buf);
ioc.set = TRUE;
/* Set toe_ol as requested */
strncpy(buf, "toe_ol", sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(uint32));
if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) {
DHD_ERROR(("%s: could not set toe_ol: ret=%d\n",
dhd_ifname(&dhd->pub, ifidx), ret));
return ret;
}
/* Enable toe globally only if any components are enabled. */
toe = (toe_ol != 0);
strcpy(buf, "toe");
memcpy(&buf[sizeof("toe")], &toe, sizeof(uint32));
if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) {
DHD_ERROR(("%s: could not set toe: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret));
return ret;
}
return 0;
}
#endif /* TOE */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24)
static void
dhd_ethtool_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
snprintf(info->driver, sizeof(info->driver), "wl");
snprintf(info->version, sizeof(info->version), "%lu", dhd->pub.drv_version);
}
struct ethtool_ops dhd_ethtool_ops = {
.get_drvinfo = dhd_ethtool_get_drvinfo
};
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2)
static int
dhd_ethtool(dhd_info_t *dhd, void *uaddr)
{
struct ethtool_drvinfo info;
char drvname[sizeof(info.driver)];
uint32 cmd;
#ifdef TOE
struct ethtool_value edata;
uint32 toe_cmpnt, csum_dir;
int ret;
#endif
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
/* all ethtool calls start with a cmd word */
if (copy_from_user(&cmd, uaddr, sizeof (uint32)))
return -EFAULT;
switch (cmd) {
case ETHTOOL_GDRVINFO:
/* Copy out any request driver name */
if (copy_from_user(&info, uaddr, sizeof(info)))
return -EFAULT;
strncpy(drvname, info.driver, sizeof(info.driver));
drvname[sizeof(info.driver)-1] = '\0';
/* clear struct for return */
memset(&info, 0, sizeof(info));
info.cmd = cmd;
/* if dhd requested, identify ourselves */
if (strcmp(drvname, "?dhd") == 0) {
snprintf(info.driver, sizeof(info.driver), "dhd");
strncpy(info.version, EPI_VERSION_STR, sizeof(info.version) - 1);
info.version[sizeof(info.version) - 1] = '\0';
}
/* otherwise, require dongle to be up */
else if (!dhd->pub.up) {
DHD_ERROR(("%s: dongle is not up\n", __FUNCTION__));
return -ENODEV;
}
/* finally, report dongle driver type */
else if (dhd->pub.iswl)
snprintf(info.driver, sizeof(info.driver), "wl");
else
snprintf(info.driver, sizeof(info.driver), "xx");
snprintf(info.version, sizeof(info.version), "%lu", dhd->pub.drv_version);
if (copy_to_user(uaddr, &info, sizeof(info)))
return -EFAULT;
DHD_CTL(("%s: given %*s, returning %s\n", __FUNCTION__,
(int)sizeof(drvname), drvname, info.driver));
break;
#ifdef TOE
/* Get toe offload components from dongle */
case ETHTOOL_GRXCSUM:
case ETHTOOL_GTXCSUM:
if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0)
return ret;
csum_dir = (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
edata.cmd = cmd;
edata.data = (toe_cmpnt & csum_dir) ? 1 : 0;
if (copy_to_user(uaddr, &edata, sizeof(edata)))
return -EFAULT;
break;
/* Set toe offload components in dongle */
case ETHTOOL_SRXCSUM:
case ETHTOOL_STXCSUM:
if (copy_from_user(&edata, uaddr, sizeof(edata)))
return -EFAULT;
/* Read the current settings, update and write back */
if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0)
return ret;
csum_dir = (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
if (edata.data != 0)
toe_cmpnt |= csum_dir;
else
toe_cmpnt &= ~csum_dir;
if ((ret = dhd_toe_set(dhd, 0, toe_cmpnt)) < 0)
return ret;
/* If setting TX checksum mode, tell Linux the new mode */
if (cmd == ETHTOOL_STXCSUM) {
if (edata.data)
dhd->iflist[0]->net->features |= NETIF_F_IP_CSUM;
else
dhd->iflist[0]->net->features &= ~NETIF_F_IP_CSUM;
}
break;
#endif /* TOE */
default:
return -EOPNOTSUPP;
}
return 0;
}
#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */
static bool dhd_check_hang(struct net_device *net, dhd_pub_t *dhdp, int error)
{
dhd_info_t *dhd;
if (!dhdp) {
DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__));
return FALSE;
}
if (!dhdp->up)
return FALSE;
dhd = (dhd_info_t *)dhdp->info;
#if !defined(BCMPCIE)
if (dhd->thr_dpc_ctl.thr_pid < 0) {
DHD_ERROR(("%s : skipped due to negative pid - unloading?\n", __FUNCTION__));
return FALSE;
}
#endif
if ((error == -ETIMEDOUT) || (error == -EREMOTEIO) ||
((dhdp->busstate == DHD_BUS_DOWN) && (!dhdp->dongle_reset))) {
DHD_ERROR(("%s: Event HANG send up due to re=%d te=%d e=%d s=%d\n", __FUNCTION__,
dhdp->rxcnt_timeout, dhdp->txcnt_timeout, error, dhdp->busstate));
net_os_send_hang_message(net);
return TRUE;
}
return FALSE;
}
int dhd_ioctl_process(dhd_pub_t *pub, int ifidx, dhd_ioctl_t *ioc, void *data_buf)
{
int bcmerror = BCME_OK;
int buflen = 0;
struct net_device *net;
net = dhd_idx2net(pub, ifidx);
if (!net) {
bcmerror = BCME_BADARG;
goto done;
}
if (data_buf)
buflen = MIN(ioc->len, DHD_IOCTL_MAXLEN);
/* check for local dhd ioctl and handle it */
if (ioc->driver == DHD_IOCTL_MAGIC) {
bcmerror = dhd_ioctl((void *)pub, ioc, data_buf, buflen);
if (bcmerror)
pub->bcmerror = bcmerror;
goto done;
}
/* send to dongle (must be up, and wl). */
if (pub->busstate != DHD_BUS_DATA) {
bcmerror = BCME_DONGLE_DOWN;
goto done;
}
if (!pub->iswl) {
bcmerror = BCME_DONGLE_DOWN;
goto done;
}
/*
* Flush the TX queue if required for proper message serialization:
* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to
* prevent M4 encryption and
* intercept WLC_DISASSOC IOCTL - serialize WPS-DONE and WLC_DISASSOC IOCTL to
* prevent disassoc frame being sent before WPS-DONE frame.
*/
if (ioc->cmd == WLC_SET_KEY ||
(ioc->cmd == WLC_SET_VAR && data_buf != NULL &&
strncmp("wsec_key", data_buf, 9) == 0) ||
(ioc->cmd == WLC_SET_VAR && data_buf != NULL &&
strncmp("bsscfg:wsec_key", data_buf, 15) == 0) ||
ioc->cmd == WLC_DISASSOC)
dhd_wait_pend8021x(net);
#ifdef WLMEDIA_HTSF
if (data_buf) {
/* short cut wl ioctl calls here */
if (strcmp("htsf", data_buf) == 0) {
dhd_ioctl_htsf_get(dhd, 0);
return BCME_OK;
}
if (strcmp("htsflate", data_buf) == 0) {
if (ioc->set) {
memset(ts, 0, sizeof(tstamp_t)*TSMAX);
memset(&maxdelayts, 0, sizeof(tstamp_t));
maxdelay = 0;
tspktcnt = 0;
maxdelaypktno = 0;
memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN);
memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN);
memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN);
memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN);
} else {
dhd_dump_latency();
}
return BCME_OK;
}
if (strcmp("htsfclear", data_buf) == 0) {
memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN);
memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN);
memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN);
memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN);
htsf_seqnum = 0;
return BCME_OK;
}
if (strcmp("htsfhis", data_buf) == 0) {
dhd_dump_htsfhisto(&vi_d1, "H to D");
dhd_dump_htsfhisto(&vi_d2, "D to D");
dhd_dump_htsfhisto(&vi_d3, "D to H");
dhd_dump_htsfhisto(&vi_d4, "H to H");
return BCME_OK;
}
if (strcmp("tsport", data_buf) == 0) {
if (ioc->set) {
memcpy(&tsport, data_buf + 7, 4);
} else {
DHD_ERROR(("current timestamp port: %d \n", tsport));
}
return BCME_OK;
}
}
#endif /* WLMEDIA_HTSF */
if ((ioc->cmd == WLC_SET_VAR || ioc->cmd == WLC_GET_VAR) &&
data_buf != NULL && strncmp("rpc_", data_buf, 4) == 0) {
#ifdef BCM_FD_AGGR
bcmerror = dhd_fdaggr_ioctl(pub, ifidx, (wl_ioctl_t *)ioc, data_buf, buflen);
#else
bcmerror = BCME_UNSUPPORTED;
#endif
goto done;
}
bcmerror = dhd_wl_ioctl(pub, ifidx, (wl_ioctl_t *)ioc, data_buf, buflen);
done:
dhd_check_hang(net, pub, bcmerror);
return bcmerror;
}
static int
dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
dhd_ioctl_t ioc;
int bcmerror = 0;
int ifidx;
int ret;
void *local_buf = NULL;
u16 buflen = 0;
DHD_OS_WAKE_LOCK(&dhd->pub);
/* send to dongle only if we are not waiting for reload already */
if (dhd->pub.hang_was_sent) {
DHD_ERROR(("%s: HANG was sent up earlier\n", __FUNCTION__));
DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(&dhd->pub, DHD_EVENT_TIMEOUT_MS);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return OSL_ERROR(BCME_DONGLE_DOWN);
}
ifidx = dhd_net2idx(dhd, net);
DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __FUNCTION__, ifidx, cmd));
if (ifidx == DHD_BAD_IF) {
DHD_ERROR(("%s: BAD IF\n", __FUNCTION__));
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return -1;
}
#if defined(WL_WIRELESS_EXT)
/* linux wireless extensions */
if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) {
/* may recurse, do NOT lock */
ret = wl_iw_ioctl(net, ifr, cmd);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return ret;
}
#endif /* defined(WL_WIRELESS_EXT) */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2)
if (cmd == SIOCETHTOOL) {
ret = dhd_ethtool(dhd, (void*)ifr->ifr_data);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return ret;
}
#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */
if (cmd == SIOCDEVPRIVATE+1) {
ret = wl_android_priv_cmd(net, ifr, cmd);
dhd_check_hang(net, &dhd->pub, ret);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return ret;
}
if (cmd != SIOCDEVPRIVATE) {
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return -EOPNOTSUPP;
}
memset(&ioc, 0, sizeof(ioc));
#ifdef CONFIG_COMPAT
if (is_compat_task()) {
compat_wl_ioctl_t compat_ioc;
if (copy_from_user(&compat_ioc, ifr->ifr_data, sizeof(compat_wl_ioctl_t))) {
bcmerror = BCME_BADADDR;
goto done;
}
ioc.cmd = compat_ioc.cmd;
ioc.buf = compat_ptr(compat_ioc.buf);
ioc.len = compat_ioc.len;
ioc.set = compat_ioc.set;
ioc.used = compat_ioc.used;
ioc.needed = compat_ioc.needed;
/* To differentiate between wl and dhd read 4 more byes */
if ((copy_from_user(&ioc.driver, (char *)ifr->ifr_data + sizeof(compat_wl_ioctl_t),
sizeof(uint)) != 0)) {
bcmerror = BCME_BADADDR;
goto done;
}
} else
#endif /* CONFIG_COMPAT */
{
/* Copy the ioc control structure part of ioctl request */
if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) {
bcmerror = BCME_BADADDR;
goto done;
}
/* To differentiate between wl and dhd read 4 more byes */
if ((copy_from_user(&ioc.driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t),
sizeof(uint)) != 0)) {
bcmerror = BCME_BADADDR;
goto done;
}
}
if (!capable(CAP_NET_ADMIN)) {
bcmerror = BCME_EPERM;
goto done;
}
if (ioc.len > 0) {
buflen = MIN(ioc.len, DHD_IOCTL_MAXLEN);
if (!(local_buf = MALLOC(dhd->pub.osh, buflen+1))) {
bcmerror = BCME_NOMEM;
goto done;
}
if (copy_from_user(local_buf, ioc.buf, buflen)) {
bcmerror = BCME_BADADDR;
goto done;
}
*(char *)(local_buf + buflen) = '\0';
}
bcmerror = dhd_ioctl_process(&dhd->pub, ifidx, &ioc, local_buf);
if (!bcmerror && buflen && local_buf && ioc.buf) {
if (copy_to_user(ioc.buf, local_buf, buflen))
bcmerror = -EFAULT;
}
done:
if (local_buf)
MFREE(dhd->pub.osh, local_buf, buflen+1);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return OSL_ERROR(bcmerror);
}
static int
dhd_stop(struct net_device *net)
{
int ifidx = 0;
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
DHD_OS_WAKE_LOCK(&dhd->pub);
DHD_TRACE(("%s: Enter %p\n", __FUNCTION__, net));
if (dhd->pub.up == 0) {
goto exit;
}
ifidx = dhd_net2idx(dhd, net);
BCM_REFERENCE(ifidx);
/* Set state and stop OS transmissions */
netif_stop_queue(net);
dhd->pub.up = 0;
#ifdef ENABLE_CONTROL_SCHED
dhd_sysfs_destroy_node(net);
dhd_dpc_prio = CUSTOM_DPC_PRIO_SETTING;
dhd_dpc_poli = SCHED_FIFO;
#endif /* ENABLE_CONTROL_SCHED */
#ifdef WL_CFG80211
if (ifidx == 0) {
wl_cfg80211_down(NULL);
/*
* For CFG80211: Clean up all the left over virtual interfaces
* when the primary Interface is brought down. [ifconfig wlan0 down]
*/
if (!dhd_download_fw_on_driverload) {
if ((dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) &&
(dhd->dhd_state & DHD_ATTACH_STATE_CFG80211)) {
int i;
dhd_net_if_lock_local(dhd);
for (i = 1; i < DHD_MAX_IFS; i++)
dhd_remove_if(&dhd->pub, i, FALSE);
dhd_net_if_unlock_local(dhd);
}
cancel_work_sync(dhd->dhd_deferred_wq);
}
}
#endif /* WL_CFG80211 */
#ifdef PROP_TXSTATUS
dhd_wlfc_cleanup(&dhd->pub, NULL, 0);
#endif
/* Stop the protocol module */
dhd_prot_stop(&dhd->pub);
OLD_MOD_DEC_USE_COUNT;
exit:
#if defined(WL_CFG80211)
if (ifidx == 0 && !dhd_download_fw_on_driverload)
wl_android_wifi_off(net);
#endif
dhd->pub.rxcnt_timeout = 0;
dhd->pub.txcnt_timeout = 0;
dhd->pub.hang_was_sent = 0;
/* Clear country spec for for built-in type driver */
if (!dhd_download_fw_on_driverload) {
dhd->pub.dhd_cspec.country_abbrev[0] = 0x00;
dhd->pub.dhd_cspec.rev = 0;
dhd->pub.dhd_cspec.ccode[0] = 0x00;
}
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return 0;
}
#if defined(WL_CFG80211) && (defined(USE_INITIAL_2G_SCAN) || \
defined(USE_INITIAL_SHORT_DWELL_TIME))
extern bool g_first_broadcast_scan;
#endif /* OEM_ANDROID && WL_CFG80211 && (USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME) */
#ifdef WL11U
static int dhd_interworking_enable(dhd_pub_t *dhd)
{
char iovbuf[WLC_IOCTL_SMLEN];
uint32 enable = true;
int ret = BCME_OK;
bcm_mkiovar("interworking", (char *)&enable, sizeof(enable), iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s: enableing interworking failed, ret=%d\n", __FUNCTION__, ret));
}
if (ret == BCME_OK) {
/* basic capabilities for HS20 REL2 */
uint32 cap = WL_WNM_BSSTRANS | WL_WNM_NOTIF;
bcm_mkiovar("wnm", (char *)&cap, sizeof(cap), iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR,
iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s: failed to set WNM info, ret=%d\n", __FUNCTION__, ret));
}
}
return ret;
}
#endif /* WL11u */
#ifdef ENABLE_CONTROL_SCHED
static ssize_t
read_dpc_prio(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
{
DHD_INFO(("%s: read cur_prio(%d), cur_poli(%d)\n",
__FUNCTION__, dhd_dpc_prio, dhd_dpc_poli));
memset(buf, 0, sizeof(uint32));
count += snprintf(buf, sizeof(uint32), "%d", dhd_dpc_prio + (dhd_dpc_poli * 100));
return count;
}
static ssize_t
write_dpc_prio(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t size)
{
uint32 new_prio = 0;
uint32 cur_prio = dhd_dpc_prio + (dhd_dpc_poli * 100);
memcpy(&new_prio, buf, sizeof(uint32));
new_prio = bcm_atoi((char*)&new_prio);
if (new_prio < 0 || new_prio > 199) {
DHD_ERROR(("%s: ERROR invalid new_prio(%d)\n",
__FUNCTION__, new_prio));
return -EINVAL;
}
if (cur_prio != new_prio) {
dhd_dpc_prio = new_prio % 100;
dhd_dpc_poli = new_prio / 100;
DHD_INFO(("%s: write new_prio(%d), new_policy(%d)\n",
__FUNCTION__, dhd_dpc_prio, dhd_dpc_poli));
}
return sizeof(uint32);
}
static struct bin_attribute dpc_prio_attr = {
.attr = {.name = "dpc_prio", .mode = 0644},
.size = sizeof(uint32),
.read = read_dpc_prio,
.write = write_dpc_prio,
};
static int
dhd_sysfs_create_node(struct net_device *net)
{
int ret;
DHD_INFO(("%s Enter\n", __func__));
ret = sysfs_create_bin_file(&net->dev.kobj, &dpc_prio_attr);
if (ret) {
DHD_ERROR(("%s: create dpc_prio sysfs fail, ret(%d)\n", __FUNCTION__, ret));
return ret;
}
return 0;
}
static void
dhd_sysfs_destroy_node(struct net_device *net)
{
DHD_INFO(("%s Enter\n", __FUNCTION__));
sysfs_remove_bin_file(&net->dev.kobj, &dpc_prio_attr);
}
#endif /* ENABLE_CONTROL_SCHED */
static int
dhd_open(struct net_device *net)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
#ifdef TOE
uint32 toe_ol;
#endif
int ifidx;
int32 ret = 0;
DHD_OS_WAKE_LOCK(&dhd->pub);
dhd->pub.dongle_trap_occured = 0;
dhd->pub.hang_was_sent = 0;
#ifdef ENABLE_CONTROL_SCHED
ret = dhd_sysfs_create_node(net);
if (ret) {
DHD_ERROR(("%s: Failed to setup dpc_prio ret(%d)\n", __FUNCTION__, ret));
goto exit;
}
#endif /* ENABLE_CONTROL_SCHED */
#if !defined(WL_CFG80211)
/*
* Force start if ifconfig_up gets called before START command
* We keep WEXT's wl_control_wl_start to provide backward compatibility
* This should be removed in the future
*/
ret = wl_control_wl_start(net);
if (ret != 0) {
DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret));
ret = -1;
goto exit;
}
#endif
ifidx = dhd_net2idx(dhd, net);
DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx));
if (ifidx < 0) {
DHD_ERROR(("%s: Error: called with invalid IF\n", __FUNCTION__));
ret = -1;
goto exit;
}
if (!dhd->iflist[ifidx]) {
DHD_ERROR(("%s: Error: called when IF already deleted\n", __FUNCTION__));
ret = -1;
goto exit;
}
if (ifidx == 0) {
atomic_set(&dhd->pend_8021x_cnt, 0);
#if defined(WL_CFG80211)
if (!dhd_download_fw_on_driverload) {
DHD_ERROR(("\n%s\n", dhd_version));
#if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME)
g_first_broadcast_scan = TRUE;
#endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */
ret = wl_android_wifi_on(net);
if (ret != 0) {
DHD_ERROR(("%s : wl_android_wifi_on failed (%d)\n",
__FUNCTION__, ret));
ret = -1;
goto exit;
}
}
#endif
if (dhd->pub.busstate != DHD_BUS_DATA) {
/* try to bring up bus */
if ((ret = dhd_bus_start(&dhd->pub)) != 0) {
DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret));
ret = -1;
goto exit;
}
}
/* dhd_prot_init has been called in dhd_bus_start or wl_android_wifi_on */
memcpy(net->dev_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN);
#ifdef TOE
/* Get current TOE mode from dongle */
if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 && (toe_ol & TOE_TX_CSUM_OL) != 0)
dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM;
else
dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM;
#endif /* TOE */
#if defined(WL_CFG80211)
if (unlikely(wl_cfg80211_up(NULL))) {
DHD_ERROR(("%s: failed to bring up cfg80211\n", __FUNCTION__));
ret = -1;
goto exit;
}
#endif /* WL_CFG80211 */
}
/* Allow transmit calls */
netif_start_queue(net);
dhd->pub.up = 1;
#ifdef BCMDBGFS
dhd_dbg_init(&dhd->pub);
#endif
OLD_MOD_INC_USE_COUNT;
exit:
if (ret)
dhd_stop(net);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return ret;
}
int dhd_do_driver_init(struct net_device *net)
{
dhd_info_t *dhd = NULL;
if (!net) {
DHD_ERROR(("Primary Interface not initialized \n"));
return -EINVAL;
}
/* && defined(OEM_ANDROID) && defined(BCMSDIO) */
dhd = *(dhd_info_t **)netdev_priv(net);
/* If driver is already initialized, do nothing
*/
if (dhd->pub.busstate == DHD_BUS_DATA) {
DHD_TRACE(("Driver already Inititalized. Nothing to do"));
return 0;
}
if (dhd_open(net) < 0) {
DHD_ERROR(("Driver Init Failed \n"));
return -1;
}
return 0;
}
int
dhd_event_ifadd(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac)
{
#ifdef WL_CFG80211
if (wl_cfg80211_notify_ifadd(ifevent->ifidx, name, mac, ifevent->bssidx) == BCME_OK)
return BCME_OK;
#endif
/* handle IF event caused by wl commands, SoftAP, WEXT and
* anything else. This has to be done asynchronously otherwise
* DPC will be blocked (and iovars will timeout as DPC has no chance
* to read the response back)
*/
if (ifevent->ifidx > 0) {
dhd_if_event_t *if_event = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_event_t));
if (if_event == NULL) {
DHD_ERROR(("dhd_event_ifadd: Failed MALLOC, malloced %d bytes",
MALLOCED(dhdinfo->pub.osh)));
return BCME_NOMEM;
}
memcpy(&if_event->event, ifevent, sizeof(if_event->event));
memcpy(if_event->mac, mac, ETHER_ADDR_LEN);
strncpy(if_event->name, name, IFNAMSIZ);
if_event->name[IFNAMSIZ - 1] = '\0';
dhd_deferred_schedule_work((void *)if_event, DHD_WQ_WORK_IF_ADD,
dhd_ifadd_event_handler, DHD_WORK_PRIORITY_LOW);
}
return BCME_OK;
}
int
dhd_event_ifdel(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac)
{
dhd_if_event_t *if_event;
#if defined(WL_CFG80211) && !defined(P2PONEINT)
if (wl_cfg80211_notify_ifdel(ifevent->ifidx, name, mac, ifevent->bssidx) == BCME_OK)
return BCME_OK;
#endif /* WL_CFG80211 */
/* handle IF event caused by wl commands, SoftAP, WEXT and
* anything else
*/
if_event = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_event_t));
if (if_event == NULL) {
DHD_ERROR(("dhd_event_ifdel: malloc failed for if_event, malloced %d bytes",
MALLOCED(dhdinfo->pub.osh)));
return BCME_NOMEM;
}
memcpy(&if_event->event, ifevent, sizeof(if_event->event));
memcpy(if_event->mac, mac, ETHER_ADDR_LEN);
strncpy(if_event->name, name, IFNAMSIZ);
if_event->name[IFNAMSIZ - 1] = '\0';
dhd_deferred_schedule_work((void *)if_event, DHD_WQ_WORK_IF_DEL,
dhd_ifdel_event_handler, DHD_WORK_PRIORITY_LOW);
return BCME_OK;
}
/* unregister and free the existing net_device interface (if any) in iflist and
* allocate a new one. the slot is reused. this function does NOT register the
* new interface to linux kernel. dhd_register_if does the job
*/
struct net_device*
dhd_allocate_if(dhd_pub_t *dhdpub, int ifidx, char *name,
uint8 *mac, uint8 bssidx, bool need_rtnl_lock, char *dngl_name)
{
dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info;
dhd_if_t *ifp;
ASSERT(dhdinfo && (ifidx < DHD_MAX_IFS));
ifp = dhdinfo->iflist[ifidx];
if (ifp != NULL) {
if (ifp->net != NULL) {
DHD_ERROR(("%s: free existing IF %s\n", __FUNCTION__, ifp->net->name));
/* in unregister_netdev case, the interface gets freed by net->destructor
* (which is set to free_netdev)
*/
if (ifp->net->reg_state == NETREG_UNINITIALIZED) {
free_netdev(ifp->net);
} else {
netif_stop_queue(ifp->net);
if (need_rtnl_lock)
unregister_netdev(ifp->net);
else
unregister_netdevice(ifp->net);
}
ifp->net = NULL;
}
} else {
ifp = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_t));
if (ifp == NULL) {
DHD_ERROR(("%s: OOM - dhd_if_t(%zu)\n", __FUNCTION__, sizeof(dhd_if_t)));
return NULL;
}
}
memset(ifp, 0, sizeof(dhd_if_t));
ifp->info = dhdinfo;
ifp->idx = ifidx;
ifp->bssidx = bssidx;
if (mac != NULL)
memcpy(&ifp->mac_addr, mac, ETHER_ADDR_LEN);
/* Allocate etherdev, including space for private structure */
ifp->net = alloc_etherdev(sizeof(dhdinfo));
if (ifp->net == NULL) {
DHD_ERROR(("%s: OOM - alloc_etherdev(%zu)\n", __FUNCTION__, sizeof(dhdinfo)));
goto fail;
}
memcpy(netdev_priv(ifp->net), &dhdinfo, sizeof(dhdinfo));
if (name && name[0]) {
strncpy(ifp->net->name, name, IFNAMSIZ);
ifp->net->name[IFNAMSIZ - 1] = '\0';
}
#ifdef WL_CFG80211
if (ifidx == 0)
ifp->net->destructor = free_netdev;
else
ifp->net->destructor = dhd_netdev_free;
#else
ifp->net->destructor = free_netdev;
#endif /* WL_CFG80211 */
strncpy(ifp->name, ifp->net->name, IFNAMSIZ);
ifp->name[IFNAMSIZ - 1] = '\0';
dhdinfo->iflist[ifidx] = ifp;
/* initialize the dongle provided if name */
if (dngl_name)
strncpy(ifp->dngl_name, dngl_name, IFNAMSIZ);
else
strncpy(ifp->dngl_name, name, IFNAMSIZ);
return ifp->net;
fail:
if (ifp != NULL) {
if (ifp->net != NULL) {
free_netdev(ifp->net);
ifp->net = NULL;
}
MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp));
ifp = NULL;
}
dhdinfo->iflist[ifidx] = NULL;
return NULL;
}
/* unregister and free the the net_device interface associated with the indexed
* slot, also free the slot memory and set the slot pointer to NULL
*/
int
dhd_remove_if(dhd_pub_t *dhdpub, int ifidx, bool need_rtnl_lock)
{
dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info;
dhd_if_t *ifp;
ifp = dhdinfo->iflist[ifidx];
if (ifp != NULL) {
if (ifp->net != NULL) {
DHD_ERROR(("deleting interface '%s' idx %d\n", ifp->net->name, ifp->idx));
/* in unregister_netdev case, the interface gets freed by net->destructor
* (which is set to free_netdev)
*/
if (ifp->net->reg_state == NETREG_UNINITIALIZED) {
free_netdev(ifp->net);
} else {
netif_stop_queue(ifp->net);
if (need_rtnl_lock)
unregister_netdev(ifp->net);
else
unregister_netdevice(ifp->net);
}
ifp->net = NULL;
}
dhdinfo->iflist[ifidx] = NULL;
MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp));
}
return BCME_OK;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31))
static struct net_device_ops dhd_ops_pri = {
.ndo_open = dhd_open,
.ndo_stop = dhd_stop,
.ndo_get_stats = dhd_get_stats,
.ndo_do_ioctl = dhd_ioctl_entry,
.ndo_start_xmit = dhd_start_xmit,
.ndo_set_mac_address = dhd_set_mac_address,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
.ndo_set_rx_mode = dhd_set_multicast_list,
#else
.ndo_set_multicast_list = dhd_set_multicast_list,
#endif
};
static struct net_device_ops dhd_ops_virt = {
.ndo_get_stats = dhd_get_stats,
.ndo_do_ioctl = dhd_ioctl_entry,
.ndo_start_xmit = dhd_start_xmit,
.ndo_set_mac_address = dhd_set_mac_address,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
.ndo_set_rx_mode = dhd_set_multicast_list,
#else
.ndo_set_multicast_list = dhd_set_multicast_list,
#endif
};
#ifdef P2PONEINT
extern int wl_cfgp2p_if_open(struct net_device *net);
extern int wl_cfgp2p_if_stop(struct net_device *net);
static struct net_device_ops dhd_cfgp2p_ops_virt = {
.ndo_open = wl_cfgp2p_if_open,
.ndo_stop = wl_cfgp2p_if_stop,
.ndo_get_stats = dhd_get_stats,
.ndo_do_ioctl = dhd_ioctl_entry,
.ndo_start_xmit = dhd_start_xmit,
.ndo_set_mac_address = dhd_set_mac_address,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
.ndo_set_rx_mode = dhd_set_multicast_list,
#else
.ndo_set_multicast_list = dhd_set_multicast_list,
#endif
};
#endif /* P2PONEINT */
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) */
#ifdef DEBUGGER
extern void debugger_init(void *bus_handle);
#endif
#ifdef SHOW_LOGTRACE
static char *logstrs_path = "/root/logstrs.bin";
static char *st_str_file_path = "/root/rtecdc.bin";
static char *map_file_path = "/root/rtecdc.map";
static char *rom_st_str_file_path = "/root/roml.bin";
static char *rom_map_file_path = "/root/roml.map";
#define BYTES_AHEAD_NUM 11 /* address in map file is before these many bytes */
#define READ_NUM_BYTES 1000 /* read map file each time this No. of bytes */
#define GO_BACK_FILE_POS_NUM_BYTES 100 /* set file pos back to cur pos */
static char *ramstart_str = "text_start"; /* string in mapfile has addr ramstart */
static char *rodata_start_str = "rodata_start"; /* string in mapfile has addr rodata start */
static char *rodata_end_str = "rodata_end"; /* string in mapfile has addr rodata end */
static char *ram_file_str = "rtecdc";
static char *rom_file_str = "roml";
#define RAMSTART_BIT 0x01
#define RDSTART_BIT 0x02
#define RDEND_BIT 0x04
#define ALL_MAP_VAL (RAMSTART_BIT | RDSTART_BIT | RDEND_BIT)
module_param(logstrs_path, charp, S_IRUGO);
module_param(st_str_file_path, charp, S_IRUGO);
module_param(map_file_path, charp, S_IRUGO);
module_param(rom_st_str_file_path, charp, S_IRUGO);
module_param(rom_map_file_path, charp, S_IRUGO);
static void
dhd_init_logstrs_array(dhd_event_log_t *temp)
{
struct file *filep = NULL;
struct kstat stat;
mm_segment_t fs;
char *raw_fmts = NULL;
int logstrs_size = 0;
logstr_header_t *hdr = NULL;
uint32 *lognums = NULL;
char *logstrs = NULL;
int ram_index = 0;
char **fmts;
int num_fmts = 0;
uint32 i = 0;
int error = 0;
fs = get_fs();
set_fs(KERNEL_DS);
filep = filp_open(logstrs_path, O_RDONLY, 0);
if (IS_ERR(filep)) {
DHD_ERROR(("%s: Failed to open the file %s \n", __FUNCTION__, logstrs_path));
goto fail;
}
error = vfs_stat(logstrs_path, &stat);
if (error) {
DHD_ERROR(("%s: Failed to stat file %s \n", __FUNCTION__, logstrs_path));
goto fail;
}
logstrs_size = (int) stat.size;
raw_fmts = kmalloc(logstrs_size, GFP_KERNEL);
if (raw_fmts == NULL) {
DHD_ERROR(("%s: Failed to allocate memory \n", __FUNCTION__));
goto fail;
}
if (vfs_read(filep, raw_fmts, logstrs_size, &filep->f_pos) != logstrs_size) {
DHD_ERROR(("%s: Failed to read file %s", __FUNCTION__, logstrs_path));
goto fail;
}
/* Remember header from the logstrs.bin file */
hdr = (logstr_header_t *) (raw_fmts + logstrs_size -
sizeof(logstr_header_t));
if (hdr->log_magic == LOGSTRS_MAGIC) {
/*
* logstrs.bin start with header.
*/
num_fmts = hdr->rom_logstrs_offset / sizeof(uint32);
ram_index = (hdr->ram_lognums_offset -
hdr->rom_lognums_offset) / sizeof(uint32);
lognums = (uint32 *) &raw_fmts[hdr->rom_lognums_offset];
logstrs = (char *) &raw_fmts[hdr->rom_logstrs_offset];
} else {
/*
* Legacy logstrs.bin format without header.
*/
num_fmts = *((uint32 *) (raw_fmts)) / sizeof(uint32);
if (num_fmts == 0) {
/* Legacy ROM/RAM logstrs.bin format:
* - ROM 'lognums' section
* - RAM 'lognums' section
* - ROM 'logstrs' section.
* - RAM 'logstrs' section.
*
* 'lognums' is an array of indexes for the strings in the
* 'logstrs' section. The first uint32 is 0 (index of first
* string in ROM 'logstrs' section).
*
* The 4324b5 is the only ROM that uses this legacy format. Use the
* fixed number of ROM fmtnums to find the start of the RAM
* 'lognums' section. Use the fixed first ROM string ("Con\n") to
* find the ROM 'logstrs' section.
*/
#define NUM_4324B5_ROM_FMTS 186
#define FIRST_4324B5_ROM_LOGSTR "Con\n"
ram_index = NUM_4324B5_ROM_FMTS;
lognums = (uint32 *) raw_fmts;
num_fmts = ram_index;
logstrs = (char *) &raw_fmts[num_fmts << 2];
while (strncmp(FIRST_4324B5_ROM_LOGSTR, logstrs, 4)) {
num_fmts++;
logstrs = (char *) &raw_fmts[num_fmts << 2];
}
} else {
/* Legacy RAM-only logstrs.bin format:
* - RAM 'lognums' section
* - RAM 'logstrs' section.
*
* 'lognums' is an array of indexes for the strings in the
* 'logstrs' section. The first uint32 is an index to the
* start of 'logstrs'. Therefore, if this index is divided
* by 'sizeof(uint32)' it provides the number of logstr
* entries.
*/
ram_index = 0;
lognums = (uint32 *) raw_fmts;
logstrs = (char *) &raw_fmts[num_fmts << 2];
}
}
fmts = kmalloc(num_fmts * sizeof(char *), GFP_KERNEL);
if (fmts == NULL) {
DHD_ERROR(("Failed to allocate fmts memory"));
goto fail;
}
for (i = 0; i < num_fmts; i++) {
/* ROM lognums index into logstrs using 'rom_logstrs_offset' as a base
* (they are 0-indexed relative to 'rom_logstrs_offset').
*
* RAM lognums are already indexed to point to the correct RAM logstrs (they
* are 0-indexed relative to the start of the logstrs.bin file).
*/
if (i == ram_index) {
logstrs = raw_fmts;
}
fmts[i] = &logstrs[lognums[i]];
}
temp->fmts = fmts;
temp->raw_fmts = raw_fmts;
temp->num_fmts = num_fmts;
filp_close(filep, NULL);
set_fs(fs);
return;
fail:
if (raw_fmts) {
kfree(raw_fmts);
raw_fmts = NULL;
}
if (!IS_ERR(filep))
filp_close(filep, NULL);
set_fs(fs);
temp->fmts = NULL;
return;
}
static int
dhd_read_map(char *fname, uint32 *ramstart, uint32 *rodata_start,
uint32 *rodata_end)
{
struct file *filep = NULL;
mm_segment_t fs;
char *raw_fmts = NULL;
uint32 read_size = READ_NUM_BYTES;
int error = 0;
char * cptr = NULL;
char c;
uint8 count = 0;
*ramstart = 0;
*rodata_start = 0;
*rodata_end = 0;
if (fname == NULL) {
DHD_ERROR(("%s: ERROR fname is NULL \n", __FUNCTION__));
return BCME_ERROR;
}
fs = get_fs();
set_fs(KERNEL_DS);
filep = filp_open(fname, O_RDONLY, 0);
if (IS_ERR(filep)) {
DHD_ERROR(("%s: Failed to open %s \n", __FUNCTION__, fname));
goto fail;
}
raw_fmts = kmalloc(read_size, GFP_KERNEL);
if (raw_fmts == NULL) {
DHD_ERROR(("%s: Failed to allocate raw_fmts memory \n", __FUNCTION__));
goto fail;
}
/* read ram start, rodata_start and rodata_end values from map file */
while (count != ALL_MAP_VAL)
{
error = vfs_read(filep, raw_fmts, read_size, (&filep->f_pos));
if (error < 0) {
DHD_ERROR(("%s: read failed %s err:%d \n", __FUNCTION__,
map_file_path, error));
goto fail;
}
if (error < read_size) {
/*
* since we reset file pos back to earlier pos by
* GO_BACK_FILE_POS_NUM_BYTES bytes we won't reach EOF.
* So if ret value is less than read_size, reached EOF don't read further
*/
break;
}
/* Get ramstart address */
if ((cptr = strstr(raw_fmts, ramstart_str))) {
cptr = cptr - BYTES_AHEAD_NUM;
sscanf(cptr, "%x %c text_start", ramstart, &c);
count |= RAMSTART_BIT;
}
/* Get ram rodata start address */
if ((cptr = strstr(raw_fmts, rodata_start_str))) {
cptr = cptr - BYTES_AHEAD_NUM;
sscanf(cptr, "%x %c rodata_start", rodata_start, &c);
count |= RDSTART_BIT;
}
/* Get ram rodata end address */
if ((cptr = strstr(raw_fmts, rodata_end_str))) {
cptr = cptr - BYTES_AHEAD_NUM;
sscanf(cptr, "%x %c rodata_end", rodata_end, &c);
count |= RDEND_BIT;
}
memset(raw_fmts, 0, read_size);
/*
* go back to predefined NUM of bytes so that we won't miss
* the string and addr even if it comes as splited in next read.
*/
filep->f_pos = filep->f_pos - GO_BACK_FILE_POS_NUM_BYTES;
}
DHD_ERROR(("---ramstart: 0x%x, rodata_start: 0x%x, rodata_end:0x%x\n",
*ramstart, *rodata_start, *rodata_end));
DHD_ERROR(("readmap over \n"));
fail:
if (raw_fmts) {
kfree(raw_fmts);
raw_fmts = NULL;
}
if (!IS_ERR(filep))
filp_close(filep, NULL);
set_fs(fs);
if (count == ALL_MAP_VAL) {
return BCME_OK;
}
DHD_ERROR(("readmap error 0X%x \n", count));
return BCME_ERROR;
}
static void
dhd_init_static_strs_array(dhd_event_log_t *temp, char *str_file, char *map_file)
{
struct file *filep = NULL;
mm_segment_t fs;
char *raw_fmts = NULL;
uint32 logstrs_size = 0;
int error = 0;
uint32 ramstart = 0;
uint32 rodata_start = 0;
uint32 rodata_end = 0;
uint32 logfilebase = 0;
error = dhd_read_map(map_file, &ramstart, &rodata_start, &rodata_end);
if (error == BCME_ERROR) {
DHD_ERROR(("readmap Error!! \n"));
/* don't do event log parsing in actual case */
temp->raw_sstr = NULL;
return;
}
DHD_ERROR(("ramstart: 0x%x, rodata_start: 0x%x, rodata_end:0x%x\n",
ramstart, rodata_start, rodata_end));
fs = get_fs();
set_fs(KERNEL_DS);
filep = filp_open(str_file, O_RDONLY, 0);
if (IS_ERR(filep)) {
DHD_ERROR(("%s: Failed to open the file %s \n", __FUNCTION__, str_file));
goto fail;
}
/* Full file size is huge. Just read required part */
logstrs_size = rodata_end - rodata_start;
raw_fmts = kmalloc(logstrs_size, GFP_KERNEL);
if (raw_fmts == NULL) {
DHD_ERROR(("%s: Failed to allocate raw_fmts memory \n", __FUNCTION__));
goto fail;
}
logfilebase = rodata_start - ramstart;
error = generic_file_llseek(filep, logfilebase, SEEK_SET);
if (error < 0) {
DHD_ERROR(("%s: %s llseek failed %d \n", __FUNCTION__, str_file, error));
goto fail;
}
error = vfs_read(filep, raw_fmts, logstrs_size, (&filep->f_pos));
if (error != logstrs_size) {
DHD_ERROR(("%s: %s read failed %d \n", __FUNCTION__, str_file, error));
goto fail;
}
if (strstr(str_file, ram_file_str) != NULL) {
temp->raw_sstr = raw_fmts;
temp->ramstart = ramstart;
temp->rodata_start = rodata_start;
temp->rodata_end = rodata_end;
} else if (strstr(str_file, rom_file_str) != NULL) {
temp->rom_raw_sstr = raw_fmts;
temp->rom_ramstart = ramstart;
temp->rom_rodata_start = rodata_start;
temp->rom_rodata_end = rodata_end;
}
filp_close(filep, NULL);
set_fs(fs);
return;
fail:
if (raw_fmts) {
kfree(raw_fmts);
raw_fmts = NULL;
}
if (!IS_ERR(filep))
filp_close(filep, NULL);
set_fs(fs);
if (strstr(str_file, ram_file_str) != NULL) {
temp->raw_sstr = NULL;
} else if (strstr(str_file, rom_file_str) != NULL) {
temp->rom_raw_sstr = NULL;
}
return;
}
#endif /* SHOW_LOGTRACE */
dhd_pub_t *
dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen)
{
dhd_info_t *dhd = NULL;
struct net_device *net = NULL;
char if_name[IFNAMSIZ] = {'\0'};
uint32 bus_type = -1;
uint32 bus_num = -1;
uint32 slot_num = -1;
wifi_adapter_info_t *adapter = NULL;
#ifdef CUSTOM_COUNTRY_CODE
struct cntry_locales_custom *cloc_ptr = NULL;
#endif /* CUSTOM_COUNTRY_CODE */
dhd_attach_states_t dhd_state = DHD_ATTACH_STATE_INIT;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
/* will implement get_ids for DBUS later */
dhd_bus_get_ids(bus, &bus_type, &bus_num, &slot_num);
adapter = dhd_wifi_platform_get_adapter(bus_type, bus_num, slot_num);
/* Allocate primary dhd_info */
dhd = wifi_platform_prealloc(adapter, DHD_PREALLOC_DHD_INFO, sizeof(dhd_info_t));
if (dhd == NULL) {
dhd = MALLOC(osh, sizeof(dhd_info_t));
if (dhd == NULL) {
DHD_ERROR(("%s: OOM - alloc dhd_info\n", __FUNCTION__));
goto fail;
}
}
memset(dhd, 0, sizeof(dhd_info_t));
dhd_state |= DHD_ATTACH_STATE_DHD_ALLOC;
dhd->pub.osh = osh;
dhd->adapter = adapter;
#ifdef OOB_PARAM
dhd->pub.oob_disable = adapter->oob_disable;
#endif /* OOB_PARAM */
#ifdef GET_CUSTOM_MAC_ENABLE
wifi_platform_get_mac_addr(dhd->adapter, dhd->pub.mac.octet);
#endif /* GET_CUSTOM_MAC_ENABLE */
#ifdef CUSTOM_COUNTRY_CODE
cloc_ptr = wifi_platform_get_country_code(dhd->adapter, dhd->pub.dhd_cspec.ccode);
if (cloc_ptr) {
strlcpy(dhd->pub.dhd_cspec.country_abbrev, cloc_ptr->iso_abbrev, WLC_CNTRY_BUF_SZ);
strlcpy(dhd->pub.dhd_cspec.ccode, cloc_ptr->custom_locale, WLC_CNTRY_BUF_SZ);
dhd->pub.dhd_cspec.rev = cloc_ptr->custom_locale_rev;
get_customized_country_code(dhd->adapter, dhd->pub.dhd_cspec.ccode,
&dhd->pub.dhd_cspec);
}
#endif /* CUSTOM_COUNTRY_CODE */
dhd->thr_dpc_ctl.thr_pid = DHD_PID_KT_TL_INVALID;
dhd->thr_wdt_ctl.thr_pid = DHD_PID_KT_INVALID;
/* Initialize thread based operation and lock */
sema_init(&dhd->sdsem, 1);
/* Some DHD modules (e.g. cfg80211) configures operation mode based on firmware name.
* This is indeed a hack but we have to make it work properly before we have a better
* solution
*/
dhd_update_fw_nv_path(dhd);
/* Link to info module */
dhd->pub.info = dhd;
/* Link to bus module */
dhd->pub.bus = bus;
dhd->pub.hdrlen = bus_hdrlen;
/* Set network interface name if it was provided as module parameter */
if (iface_name[0]) {
int len;
char ch;
strncpy(if_name, iface_name, IFNAMSIZ);
if_name[IFNAMSIZ - 1] = 0;
len = strlen(if_name);
ch = if_name[len - 1];
if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2))
strcat(if_name, "%d");
}
net = dhd_allocate_if(&dhd->pub, 0, if_name, NULL, 0, TRUE, NULL);
if (net == NULL)
goto fail;
dhd_state |= DHD_ATTACH_STATE_ADD_IF;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31))
net->open = NULL;
#else
net->netdev_ops = NULL;
#endif
sema_init(&dhd->proto_sem, 1);
#ifdef PROP_TXSTATUS
spin_lock_init(&dhd->wlfc_spinlock);
dhd->pub.skip_fc = dhd_wlfc_skip_fc;
dhd->pub.plat_init = dhd_wlfc_plat_init;
dhd->pub.plat_deinit = dhd_wlfc_plat_deinit;
#endif /* PROP_TXSTATUS */
/* Initialize other structure content */
init_waitqueue_head(&dhd->ioctl_resp_wait);
init_waitqueue_head(&dhd->ctrl_wait);
/* Initialize the spinlocks */
spin_lock_init(&dhd->sdlock);
spin_lock_init(&dhd->txqlock);
spin_lock_init(&dhd->dhd_lock);
spin_lock_init(&dhd->rxf_lock);
#if defined(RXFRAME_THREAD)
dhd->rxthread_enabled = TRUE;
#endif /* defined(RXFRAME_THREAD) */
#ifdef DHDTCPACK_SUPPRESS
spin_lock_init(&dhd->tcpack_lock);
#endif /* DHDTCPACK_SUPPRESS */
/* Initialize Wakelock stuff */
spin_lock_init(&dhd->wakelock_spinlock);
dhd->wakelock_counter = 0;
dhd->wakelock_wd_counter = 0;
dhd->wakelock_rx_timeout_enable = 0;
dhd->wakelock_ctrl_timeout_enable = 0;
dhd->waive_wakelock = FALSE;
#ifdef CONFIG_HAS_WAKELOCK
wake_lock_init(&dhd->wl_wifi, WAKE_LOCK_SUSPEND, "wlan_wake");
wake_lock_init(&dhd->wl_rxwake, WAKE_LOCK_SUSPEND, "wlan_rx_wake");
wake_lock_init(&dhd->wl_ctrlwake, WAKE_LOCK_SUSPEND, "wlan_ctrl_wake");
wake_lock_init(&dhd->wl_wdwake, WAKE_LOCK_SUSPEND, "wlan_wd_wake");
#endif /* CONFIG_HAS_WAKELOCK */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
mutex_init(&dhd->dhd_net_if_mutex);
mutex_init(&dhd->dhd_suspend_mutex);
#endif
dhd_state |= DHD_ATTACH_STATE_WAKELOCKS_INIT;
/* Attach and link in the protocol */
if (dhd_prot_attach(&dhd->pub) != 0) {
DHD_ERROR(("dhd_prot_attach failed\n"));
goto fail;
}
dhd_state |= DHD_ATTACH_STATE_PROT_ATTACH;
#ifdef WL_CFG80211
/* Attach and link in the cfg80211 */
if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) {
DHD_ERROR(("wl_cfg80211_attach failed\n"));
goto fail;
}
dhd_monitor_init(&dhd->pub);
dhd_state |= DHD_ATTACH_STATE_CFG80211;
#endif
#if defined(WL_WIRELESS_EXT)
/* Attach and link in the iw */
if (!(dhd_state & DHD_ATTACH_STATE_CFG80211)) {
if (wl_iw_attach(net, (void *)&dhd->pub) != 0) {
DHD_ERROR(("wl_iw_attach failed\n"));
goto fail;
}
dhd_state |= DHD_ATTACH_STATE_WL_ATTACH;
}
#endif /* defined(WL_WIRELESS_EXT) */
#ifdef SHOW_LOGTRACE
dhd_init_logstrs_array(&dhd->event_data);
dhd_init_static_strs_array(&dhd->event_data, st_str_file_path, map_file_path);
dhd_init_static_strs_array(&dhd->event_data, rom_st_str_file_path, rom_map_file_path);
#endif /* SHOW_LOGTRACE */
/* Set up the watchdog timer */
init_timer(&dhd->timer);
dhd->timer.data = (ulong)dhd;
dhd->timer.function = dhd_watchdog;
dhd->default_wd_interval = dhd_watchdog_ms;
if (dhd_watchdog_prio >= 0) {
/* Initialize watchdog thread */
PROC_START(dhd_watchdog_thread, dhd, &dhd->thr_wdt_ctl, 0, "dhd_watchdog_thread");
if (dhd->thr_wdt_ctl.thr_pid < 0) {
goto fail;
}
} else {
dhd->thr_wdt_ctl.thr_pid = -1;
}
#ifdef DEBUGGER
debugger_init((void *) bus);
#endif
/* Set up the bottom half handler */
if (dhd_dpc_prio >= 0) {
/* Initialize DPC thread */
PROC_START(dhd_dpc_thread, dhd, &dhd->thr_dpc_ctl, 0, "dhd_dpc");
if (dhd->thr_dpc_ctl.thr_pid < 0) {
goto fail;
}
} else {
/* use tasklet for dpc */
tasklet_init(&dhd->tasklet, dhd_dpc, (ulong)dhd);
dhd->thr_dpc_ctl.thr_pid = -1;
}
if (dhd->rxthread_enabled) {
bzero(&dhd->pub.skbbuf[0], sizeof(void *) * MAXSKBPEND);
/* Initialize RXF thread */
PROC_START(dhd_rxf_thread, dhd, &dhd->thr_rxf_ctl, 0, "dhd_rxf");
if (dhd->thr_rxf_ctl.thr_pid < 0) {
goto fail;
}
}
dhd_state |= DHD_ATTACH_STATE_THREADS_CREATED;
/*
* Save the dhd_info into the priv
*/
memcpy(netdev_priv(net), &dhd, sizeof(dhd));
#if defined(CONFIG_PM_SLEEP)
dhd->pm_notifier.notifier_call = dhd_pm_callback;
dhd->pm_notifier.priority = 10;
if (!dhd_pm_notifier_registered) {
dhd_pm_notifier_registered = TRUE;
register_pm_notifier(&dhd->pm_notifier);
}
#endif /* CONFIG_PM_SLEEP */
#ifdef SAR_SUPPORT
dhd->sar_notifier.notifier_call = dhd_sar_callback;
if (!dhd_sar_notifier_registered) {
dhd_sar_notifier_registered = TRUE;
register_notifier_by_sar(&dhd->sar_notifier);
}
#endif
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20;
dhd->early_suspend.suspend = dhd_early_suspend;
dhd->early_suspend.resume = dhd_late_resume;
register_early_suspend(&dhd->early_suspend);
dhd_state |= DHD_ATTACH_STATE_EARLYSUSPEND_DONE;
#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */
#ifdef ARP_OFFLOAD_SUPPORT
dhd->pend_ipaddr = 0;
if (!dhd_inetaddr_notifier_registered) {
dhd_inetaddr_notifier_registered = TRUE;
register_inetaddr_notifier(&dhd_inetaddr_notifier);
}
#endif /* ARP_OFFLOAD_SUPPORT */
if (!dhd_inet6addr_notifier_registered) {
dhd_inet6addr_notifier_registered = TRUE;
register_inet6addr_notifier(&dhd_inet6addr_notifier);
}
dhd->dhd_deferred_wq = dhd_deferred_work_init((void *)dhd);
#ifdef DEBUG_CPU_FREQ
dhd->new_freq = alloc_percpu(int);
dhd->freq_trans.notifier_call = dhd_cpufreq_notifier;
cpufreq_register_notifier(&dhd->freq_trans, CPUFREQ_TRANSITION_NOTIFIER);
#endif
#ifdef DHDTCPACK_SUPPRESS
dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_DELAYTX);
#endif /* DHDTCPACK_SUPPRESS */
#ifdef DHD_DEBUG
dhd->join_timeout_val = DHD_JOIN_MAX_TIME_DEFAULT;
dhd->scan_time_count = DHD_SCAN_DEF_TIMEOUT;
#endif
dhd_state |= DHD_ATTACH_STATE_DONE;
dhd->dhd_state = dhd_state;
dhd->unit = dhd_found + instance_base;
dhd_found++;
return &dhd->pub;
fail:
if (dhd_state >= DHD_ATTACH_STATE_DHD_ALLOC) {
DHD_TRACE(("%s: Calling dhd_detach dhd_state 0x%x &dhd->pub %p\n",
__FUNCTION__, dhd_state, &dhd->pub));
dhd->dhd_state = dhd_state;
dhd_detach(&dhd->pub);
dhd_free(&dhd->pub);
}
return NULL;
}
int dhd_get_fw_mode(dhd_info_t *dhdinfo)
{
if (strstr(dhdinfo->fw_path, "_apsta") != NULL)
return DHD_FLAG_HOSTAP_MODE;
if (strstr(dhdinfo->fw_path, "_p2p") != NULL)
return DHD_FLAG_P2P_MODE;
if (strstr(dhdinfo->fw_path, "_ibss") != NULL)
return DHD_FLAG_IBSS_MODE;
if (strstr(dhdinfo->fw_path, "_mfg") != NULL)
return DHD_FLAG_MFG_MODE;
return DHD_FLAG_STA_MODE;
}
bool dhd_update_fw_nv_path(dhd_info_t *dhdinfo)
{
int fw_len;
int nv_len;
const char *fw = NULL;
const char *nv = NULL;
wifi_adapter_info_t *adapter = dhdinfo->adapter;
/* Update firmware and nvram path. The path may be from adapter info or module parameter
* The path from adapter info is used for initialization only (as it won't change).
*
* The firmware_path/nvram_path module parameter may be changed by the system at run
* time. When it changes we need to copy it to dhdinfo->fw_path. Also Android private
* command may change dhdinfo->fw_path. As such we need to clear the path info in
* module parameter after it is copied. We won't update the path until the module parameter
* is changed again (first character is not '\0')
*/
/* set default firmware and nvram path for built-in type driver */
if (!dhd_download_fw_on_driverload) {
#ifdef CONFIG_BCMDHD_FW_PATH
fw = CONFIG_BCMDHD_FW_PATH;
#endif /* CONFIG_BCMDHD_FW_PATH */
#ifdef CONFIG_BCMDHD_NVRAM_PATH
nv = CONFIG_BCMDHD_NVRAM_PATH;
#endif /* CONFIG_BCMDHD_NVRAM_PATH */
}
/* check if we need to initialize the path */
if (adapter && adapter->fw_path && adapter->fw_path[0] != '\0')
fw = adapter->fw_path;
if (adapter && adapter->nv_path && adapter->nv_path[0] != '\0')
nv = adapter->nv_path;
/* Use module parameter if it is valid, EVEN IF the path has not been initialized
*
* TODO: need a solution for multi-chip, can't use the same firmware for all chips
*/
if (firmware_path[0] != '\0')
fw = firmware_path;
if (nvram_path[0] != '\0')
nv = nvram_path;
if (fw && fw[0] != '\0') {
fw_len = strlen(fw);
if (fw_len >= sizeof(dhdinfo->fw_path)) {
DHD_ERROR(("fw path len exceeds max len of dhdinfo->fw_path\n"));
return FALSE;
}
strncpy(dhdinfo->fw_path, fw, sizeof(dhdinfo->fw_path));
if (dhdinfo->fw_path[fw_len-1] == '\n')
dhdinfo->fw_path[fw_len-1] = '\0';
}
if (nv && nv[0] != '\0') {
nv_len = strlen(nv);
if (nv_len >= sizeof(dhdinfo->nv_path)) {
DHD_ERROR(("nvram path len exceeds max len of dhdinfo->nv_path\n"));
return FALSE;
}
strncpy(dhdinfo->nv_path, nv, sizeof(dhdinfo->nv_path));
if (dhdinfo->nv_path[nv_len-1] == '\n')
dhdinfo->nv_path[nv_len-1] = '\0';
}
/* clear the path in module parameter */
firmware_path[0] = '\0';
nvram_path[0] = '\0';
if (dhdinfo->fw_path[0] == '\0') {
DHD_ERROR(("firmware path not found\n"));
return FALSE;
}
if (dhdinfo->nv_path[0] == '\0') {
DHD_ERROR(("nvram path not found\n"));
return FALSE;
}
return TRUE;
}
int
dhd_bus_start(dhd_pub_t *dhdp)
{
int ret = -1;
dhd_info_t *dhd = (dhd_info_t*)dhdp->info;
unsigned long flags;
ASSERT(dhd);
DHD_TRACE(("Enter %s:\n", __FUNCTION__));
/* try to download image and nvram to the dongle */
if (dhd->pub.busstate == DHD_BUS_DOWN && dhd_update_fw_nv_path(dhd)) {
DHD_INFO(("%s download fw %s, nv %s\n", __FUNCTION__, dhd->fw_path, dhd->nv_path));
ret = dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh,
dhd->fw_path, dhd->nv_path);
if (ret < 0) {
DHD_ERROR(("%s: failed to download firmware %s\n",
__FUNCTION__, dhd->fw_path));
return ret;
}
}
if (dhd->pub.busstate != DHD_BUS_LOAD) {
return -ENETDOWN;
}
dhd_os_sdlock(dhdp);
/* Start the watchdog timer */
dhd->pub.tickcnt = 0;
dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms);
/* Bring up the bus */
if ((ret = dhd_bus_init(&dhd->pub, FALSE)) != 0) {
DHD_ERROR(("%s, dhd_bus_init failed %d\n", __FUNCTION__, ret));
dhd_os_sdunlock(dhdp);
return ret;
}
#if defined(OOB_INTR_ONLY)
OOB_PARAM_IF(!(dhd->pub.oob_disable)) {
/* Host registration for OOB interrupt */
if (dhd_bus_oob_intr_register(dhdp)) {
/* deactivate timer and wait for the handler to finish */
flags = dhd_os_spin_lock(&dhd->pub);
dhd->wd_timer_valid = FALSE;
dhd_os_spin_unlock(&dhd->pub, flags);
del_timer_sync(&dhd->timer);
DHD_ERROR(("%s Host failed to register for OOB\n", __FUNCTION__));
dhd_os_sdunlock(dhdp);
DHD_OS_WD_WAKE_UNLOCK(&dhd->pub);
return -ENODEV;
}
/* Enable oob at firmware */
dhd_enable_oob_intr(dhd->pub.bus, TRUE);
}
#endif
/* If bus is not ready, can't come up */
if (dhd->pub.busstate != DHD_BUS_DATA) {
flags = dhd_os_spin_lock(&dhd->pub);
dhd->wd_timer_valid = FALSE;
dhd_os_spin_unlock(&dhd->pub, flags);
del_timer_sync(&dhd->timer);
DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__));
dhd_os_sdunlock(dhdp);
DHD_OS_WD_WAKE_UNLOCK(&dhd->pub);
return -ENODEV;
}
dhd_os_sdunlock(dhdp);
dhd_process_cid_mac(dhdp, TRUE);
/* Bus is ready, do any protocol initialization */
if ((ret = dhd_prot_init(&dhd->pub)) < 0)
return ret;
dhd_process_cid_mac(dhdp, FALSE);
#ifdef ARP_OFFLOAD_SUPPORT
if (dhd->pend_ipaddr) {
#ifdef AOE_IP_ALIAS_SUPPORT
aoe_update_host_ipv4_table(&dhd->pub, dhd->pend_ipaddr, TRUE, 0);
#endif /* AOE_IP_ALIAS_SUPPORT */
dhd->pend_ipaddr = 0;
}
#endif /* ARP_OFFLOAD_SUPPORT */
return 0;
}
#ifdef WLTDLS
int _dhd_tdls_enable(dhd_pub_t *dhd, bool tdls_on, bool auto_on, struct ether_addr *mac)
{
char iovbuf[WLC_IOCTL_SMLEN];
uint32 tdls = tdls_on;
int ret = 0;
uint32 tdls_auto_op = 0;
uint32 tdls_idle_time = CUSTOM_TDLS_IDLE_MODE_SETTING;
int32 tdls_rssi_high = CUSTOM_TDLS_RSSI_THRESHOLD_HIGH;
int32 tdls_rssi_low = CUSTOM_TDLS_RSSI_THRESHOLD_LOW;
BCM_REFERENCE(mac);
if (!FW_SUPPORTED(dhd, tdls))
return BCME_ERROR;
if (dhd->tdls_enable == tdls_on)
goto auto_mode;
bcm_mkiovar("tdls_enable", (char *)&tdls, sizeof(tdls), iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s: tdls %d failed %d\n", __FUNCTION__, tdls, ret));
goto exit;
}
dhd->tdls_enable = tdls_on;
auto_mode:
tdls_auto_op = auto_on;
bcm_mkiovar("tdls_auto_op", (char *)&tdls_auto_op, sizeof(tdls_auto_op),
iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s: tdls_auto_op failed %d\n", __FUNCTION__, ret));
goto exit;
}
if (tdls_auto_op) {
bcm_mkiovar("tdls_idle_time", (char *)&tdls_idle_time,
sizeof(tdls_idle_time), iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s: tdls_idle_time failed %d\n", __FUNCTION__, ret));
goto exit;
}
bcm_mkiovar("tdls_rssi_high", (char *)&tdls_rssi_high, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s: tdls_rssi_high failed %d\n", __FUNCTION__, ret));
goto exit;
}
bcm_mkiovar("tdls_rssi_low", (char *)&tdls_rssi_low, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s: tdls_rssi_low failed %d\n", __FUNCTION__, ret));
goto exit;
}
}
exit:
return ret;
}
int dhd_tdls_enable(struct net_device *dev, bool tdls_on, bool auto_on, struct ether_addr *mac)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd)
ret = _dhd_tdls_enable(&dhd->pub, tdls_on, auto_on, mac);
else
ret = BCME_ERROR;
return ret;
}
#endif
bool dhd_is_concurrent_mode(dhd_pub_t *dhd)
{
if (!dhd)
return FALSE;
if (dhd->op_mode & DHD_FLAG_CONCURR_MULTI_CHAN_MODE)
return TRUE;
else if ((dhd->op_mode & DHD_FLAG_CONCURR_SINGLE_CHAN_MODE) ==
DHD_FLAG_CONCURR_SINGLE_CHAN_MODE)
return TRUE;
else
return FALSE;
}
#if !defined(AP) && defined(WLP2P)
/* From Android JerryBean release, the concurrent mode is enabled by default and the firmware
* name would be fw_bcmdhd.bin. So we need to determine whether P2P is enabled in the STA
* firmware and accordingly enable concurrent mode (Apply P2P settings). SoftAP firmware
* would still be named as fw_bcmdhd_apsta.
*/
uint32
dhd_get_concurrent_capabilites(dhd_pub_t *dhd)
{
int32 ret = 0;
char buf[WLC_IOCTL_SMLEN];
bool mchan_supported = FALSE;
/* if dhd->op_mode is already set for HOSTAP and Manufacturing
* test mode, that means we only will use the mode as it is
*/
if (dhd->op_mode & (DHD_FLAG_HOSTAP_MODE | DHD_FLAG_MFG_MODE))
return 0;
if (FW_SUPPORTED(dhd, vsdb)) {
mchan_supported = TRUE;
}
if (!FW_SUPPORTED(dhd, p2p)) {
DHD_TRACE(("Chip does not support p2p\n"));
return 0;
}
else {
/* Chip supports p2p but ensure that p2p is really implemented in firmware or not */
memset(buf, 0, sizeof(buf));
bcm_mkiovar("p2p", 0, 0, buf, sizeof(buf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf),
FALSE, 0)) < 0) {
DHD_ERROR(("%s: Get P2P failed (error=%d)\n", __FUNCTION__, ret));
return 0;
}
else {
if (buf[0] == 1) {
/* By default, chip supports single chan concurrency,
* now lets check for mchan
*/
ret = DHD_FLAG_CONCURR_SINGLE_CHAN_MODE;
if (mchan_supported)
ret |= DHD_FLAG_CONCURR_MULTI_CHAN_MODE;
#if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF)
/* For customer_hw4, although ICS,
* we still support concurrent mode
*/
return ret;
#else
return 0;
#endif
}
}
}
return 0;
}
#endif
int
dhd_preinit_ioctls(dhd_pub_t *dhd)
{
int ret = 0;
char eventmask[WL_EVENTING_MASK_LEN];
char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */
uint8 msglen;
eventmsgs_ext_t *eventmask_msg;
char iov_buf[WLC_IOCTL_SMLEN];
uint32 buf_key_b4_m4 = 1;
int ret2 = 0;
#if defined(CUSTOM_AMPDU_BA_WSIZE)
uint32 ampdu_ba_wsize = 0;
#endif
#if defined(CUSTOM_AMPDU_MPDU)
uint32 ampdu_mpdu = 0;
#endif
#ifdef PROP_TXSTATUS
int wlfc_enable = TRUE;
#ifndef DISABLE_11N
uint32 hostreorder = 1;
#endif /* DISABLE_11N */
#endif /* PROP_TXSTATUS */
#ifdef DHD_ENABLE_LPC
uint32 lpc = 1;
#endif /* DHD_ENABLE_LPC */
uint power_mode = PM_FAST;
uint32 dongle_align = DHD_SDALIGN;
uint32 glom = CUSTOM_GLOM_SETTING;
#if defined(CUSTOMER_HW2) && defined(USE_WL_CREDALL)
uint32 credall = 1;
#endif
#if defined(VSDB) || defined(ROAM_ENABLE)
uint bcn_timeout = 8;
#else
uint bcn_timeout = 4;
#endif
uint retry_max = 7;
#if defined(ARP_OFFLOAD_SUPPORT)
int arpoe = 1;
#endif
int scan_assoc_time = DHD_SCAN_ASSOC_ACTIVE_TIME;
int scan_unassoc_time = DHD_SCAN_UNASSOC_ACTIVE_TIME;
int scan_passive_time = DHD_SCAN_PASSIVE_TIME;
char buf[WLC_IOCTL_SMLEN];
char *ptr;
uint32 listen_interval = CUSTOM_LISTEN_INTERVAL; /* Default Listen Interval in Beacons */
#ifdef ROAM_ENABLE
uint roamvar = 0;
int roam_trigger[2] = {CUSTOM_ROAM_TRIGGER_SETTING, WLC_BAND_ALL};
int roam_scan_period[2] = {10, WLC_BAND_ALL};
int roam_delta[2] = {CUSTOM_ROAM_DELTA_SETTING, WLC_BAND_ALL};
#ifdef ROAM_AP_ENV_DETECTION
int roam_env_mode = AP_ENV_INDETERMINATE;
#endif /* ROAM_AP_ENV_DETECTION */
#ifdef FULL_ROAMING_SCAN_PERIOD_60_SEC
int roam_fullscan_period = 60;
#else /* FULL_ROAMING_SCAN_PERIOD_60_SEC */
int roam_fullscan_period = 120;
#endif /* FULL_ROAMING_SCAN_PERIOD_60_SEC */
#else
#ifdef DISABLE_BUILTIN_ROAM
uint roamvar = 1;
#endif /* DISABLE_BUILTIN_ROAM */
#endif /* ROAM_ENABLE */
#if defined(SOFTAP)
uint dtim = 1;
#endif
#if (defined(AP) && !defined(WLP2P)) || (!defined(AP) && defined(WL_CFG80211))
uint32 mpc = 0; /* Turn MPC off for AP/APSTA mode */
struct ether_addr p2p_ea;
#endif
#if defined(AP) || defined(WLP2P)
uint32 apsta = 1; /* Enable APSTA mode */
#endif /* defined(AP) || defined(WLP2P) */
#ifdef GET_CUSTOM_MAC_ENABLE
struct ether_addr ea_addr;
#endif /* GET_CUSTOM_MAC_ENABLE */
#ifdef DISABLE_11N
uint32 nmode = 0;
#endif /* DISABLE_11N */
#ifdef USE_WL_TXBF
uint32 txbf = 1;
#endif /* USE_WL_TXBF */
#ifdef USE_WL_FRAMEBURST
uint32 frameburst = 1;
#endif /* USE_WL_FRAMEBURST */
#ifdef CUSTOM_PSPRETEND_THR
uint32 pspretend_thr = CUSTOM_PSPRETEND_THR;
#endif
#ifdef DISABLE_AUTOCOUNTRY
uint32 autocountry = 0;
#endif /* DISABLE_AUTOCOUNTRY */
#ifdef PKT_FILTER_SUPPORT
dhd_pkt_filter_enable = TRUE;
#endif /* PKT_FILTER_SUPPORT */
#ifdef WLTDLS
dhd->tdls_enable = FALSE;
#endif /* WLTDLS */
dhd->suspend_bcn_li_dtim = CUSTOM_SUSPEND_BCN_LI_DTIM;
DHD_TRACE(("Enter %s\n", __FUNCTION__));
dhd->op_mode = 0;
if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_MFG_MODE) ||
(op_mode == DHD_FLAG_MFG_MODE)) {
/* Check and adjust IOCTL response timeout for Manufactring firmware */
dhd_os_set_ioctl_resp_timeout(MFG_IOCTL_RESP_TIMEOUT);
DHD_ERROR(("%s : Set IOCTL response time for Manufactring Firmware\n",
__FUNCTION__));
}
else {
dhd_os_set_ioctl_resp_timeout(IOCTL_RESP_TIMEOUT);
DHD_INFO(("%s : Set IOCTL response time.\n", __FUNCTION__));
}
#ifdef GET_CUSTOM_MAC_ENABLE
ret = wifi_platform_get_mac_addr(dhd->info->adapter, ea_addr.octet);
if (!ret) {
memset(buf, 0, sizeof(buf));
bcm_mkiovar("cur_etheraddr", (void *)&ea_addr, ETHER_ADDR_LEN, buf, sizeof(buf));
ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0);
if (ret < 0) {
DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret));
return BCME_NOTUP;
}
memcpy(dhd->mac.octet, ea_addr.octet, ETHER_ADDR_LEN);
} else {
#endif /* GET_CUSTOM_MAC_ENABLE */
/* Get the default device MAC address directly from firmware */
memset(buf, 0, sizeof(buf));
bcm_mkiovar("cur_etheraddr", 0, 0, buf, sizeof(buf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf),
FALSE, 0)) < 0) {
DHD_ERROR(("%s: can't get MAC address , error=%d\n", __FUNCTION__, ret));
return BCME_NOTUP;
}
/* Update public MAC address after reading from Firmware */
memcpy(dhd->mac.octet, buf, ETHER_ADDR_LEN);
#ifdef GET_CUSTOM_MAC_ENABLE
}
#endif /* GET_CUSTOM_MAC_ENABLE */
/* get a capabilities from firmware */
memset(dhd->fw_capabilities, 0, sizeof(dhd->fw_capabilities));
bcm_mkiovar("cap", 0, 0, dhd->fw_capabilities, sizeof(dhd->fw_capabilities));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, dhd->fw_capabilities,
sizeof(dhd->fw_capabilities), FALSE, 0)) < 0) {
DHD_ERROR(("%s: Get Capability failed (error=%d)\n",
__FUNCTION__, ret));
return 0;
}
if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_HOSTAP_MODE) ||
(op_mode == DHD_FLAG_HOSTAP_MODE)) {
#ifdef SET_RANDOM_MAC_SOFTAP
uint rand_mac;
#endif
dhd->op_mode = DHD_FLAG_HOSTAP_MODE;
#if defined(ARP_OFFLOAD_SUPPORT)
arpoe = 0;
#endif
#ifdef PKT_FILTER_SUPPORT
dhd_pkt_filter_enable = FALSE;
#endif
#ifdef SET_RANDOM_MAC_SOFTAP
SRANDOM32((uint)jiffies);
rand_mac = RANDOM32();
iovbuf[0] = 0x02; /* locally administered bit */
iovbuf[1] = 0x1A;
iovbuf[2] = 0x11;
iovbuf[3] = (unsigned char)(rand_mac & 0x0F) | 0xF0;
iovbuf[4] = (unsigned char)(rand_mac >> 8);
iovbuf[5] = (unsigned char)(rand_mac >> 16);
bcm_mkiovar("cur_etheraddr", (void *)iovbuf, ETHER_ADDR_LEN, buf, sizeof(buf));
ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0);
if (ret < 0) {
DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret));
} else
memcpy(dhd->mac.octet, iovbuf, ETHER_ADDR_LEN);
#endif /* SET_RANDOM_MAC_SOFTAP */
#if !defined(AP) && defined(WL_CFG80211)
/* Turn off MPC in AP mode */
bcm_mkiovar("mpc", (char *)&mpc, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s mpc for HostAPD failed %d\n", __FUNCTION__, ret));
}
#endif
} else if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_MFG_MODE) ||
(op_mode == DHD_FLAG_MFG_MODE)) {
#if defined(ARP_OFFLOAD_SUPPORT)
arpoe = 0;
#endif /* ARP_OFFLOAD_SUPPORT */
#ifdef PKT_FILTER_SUPPORT
dhd_pkt_filter_enable = FALSE;
#endif /* PKT_FILTER_SUPPORT */
dhd->op_mode = DHD_FLAG_MFG_MODE;
} else {
uint32 concurrent_mode = 0;
if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_P2P_MODE) ||
(op_mode == DHD_FLAG_P2P_MODE)) {
#if defined(ARP_OFFLOAD_SUPPORT)
arpoe = 0;
#endif
#ifdef PKT_FILTER_SUPPORT
dhd_pkt_filter_enable = FALSE;
#endif
dhd->op_mode = DHD_FLAG_P2P_MODE;
} else if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_IBSS_MODE) ||
(op_mode == DHD_FLAG_IBSS_MODE)) {
dhd->op_mode = DHD_FLAG_IBSS_MODE;
} else
dhd->op_mode = DHD_FLAG_STA_MODE;
#if !defined(AP) && defined(WLP2P)
if (dhd->op_mode != DHD_FLAG_IBSS_MODE &&
(concurrent_mode = dhd_get_concurrent_capabilites(dhd))) {
#if defined(ARP_OFFLOAD_SUPPORT)
arpoe = 1;
#endif
dhd->op_mode |= concurrent_mode;
}
/* Check if we are enabling p2p */
if (dhd->op_mode & DHD_FLAG_P2P_MODE) {
bcm_mkiovar("apsta", (char *)&apsta, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR,
iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s APSTA for P2P failed ret= %d\n", __FUNCTION__, ret));
}
memcpy(&p2p_ea, &dhd->mac, ETHER_ADDR_LEN);
ETHER_SET_LOCALADDR(&p2p_ea);
bcm_mkiovar("p2p_da_override", (char *)&p2p_ea,
ETHER_ADDR_LEN, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR,
iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s p2p_da_override ret= %d\n", __FUNCTION__, ret));
} else {
DHD_INFO(("dhd_preinit_ioctls: p2p_da_override succeeded\n"));
}
}
#else
(void)concurrent_mode;
#endif
}
DHD_ERROR(("Firmware up: op_mode=0x%04x, MAC="MACDBG"\n",
dhd->op_mode, MAC2STRDBG(dhd->mac.octet)));
/* Set Country code */
if (dhd->dhd_cspec.ccode[0] != 0) {
bcm_mkiovar("country", (char *)&dhd->dhd_cspec,
sizeof(wl_country_t), iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("%s: country code setting failed\n", __FUNCTION__));
}
#if defined(DISABLE_AUTOCOUNTRY)
/* disable setting country to AP's country */
bcm_mkiovar("autocountry", (char *)&autocountry, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("%s disabling autocountry failed %d\n", __FUNCTION__, ret));
#endif /* DISABLE_AUTOCOUNTRY */
/* Set Listen Interval */
bcm_mkiovar("assoc_listen", (char *)&listen_interval, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("%s assoc_listen failed %d\n", __FUNCTION__, ret));
#if defined(ROAM_ENABLE) || defined(DISABLE_BUILTIN_ROAM)
/* Disable built-in roaming to allowed ext supplicant to take care of roaming */
bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#endif /* ROAM_ENABLE || DISABLE_BUILTIN_ROAM */
#if defined(ROAM_ENABLE)
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_TRIGGER, roam_trigger,
sizeof(roam_trigger), TRUE, 0)) < 0)
DHD_ERROR(("%s: roam trigger set failed %d\n", __FUNCTION__, ret));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_SCAN_PERIOD, roam_scan_period,
sizeof(roam_scan_period), TRUE, 0)) < 0)
DHD_ERROR(("%s: roam scan period set failed %d\n", __FUNCTION__, ret));
if ((dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_DELTA, roam_delta,
sizeof(roam_delta), TRUE, 0)) < 0)
DHD_ERROR(("%s: roam delta set failed %d\n", __FUNCTION__, ret));
bcm_mkiovar("fullroamperiod", (char *)&roam_fullscan_period, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("%s: roam fullscan period set failed %d\n", __FUNCTION__, ret));
#ifdef ROAM_AP_ENV_DETECTION
if (roam_trigger[0] == WL_AUTO_ROAM_TRIGGER) {
bcm_mkiovar("roam_env_detection", (char *)&roam_env_mode,
4, iovbuf, sizeof(iovbuf));
if (dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0) == BCME_OK)
dhd->roam_env_detection = TRUE;
else {
dhd->roam_env_detection = FALSE;
}
}
#endif /* ROAM_AP_ENV_DETECTION */
#endif /* ROAM_ENABLE */
#ifdef WLTDLS
/* by default TDLS on and auto mode off */
_dhd_tdls_enable(dhd, true, false, NULL);
#endif /* WLTDLS */
#ifdef DHD_ENABLE_LPC
/* Set lpc 1 */
bcm_mkiovar("lpc", (char *)&lpc, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s Set lpc failed %d\n", __FUNCTION__, ret));
#if defined(CUSTOM_PLATFORM_NV_TEGRA)
if (ret == BCME_NOTDOWN) {
uint wl_down = 1;
ret = dhd_wl_ioctl_cmd(dhd, WLC_DOWN,
(char *)&wl_down, sizeof(wl_down), TRUE, 0);
DHD_ERROR(("%s lpc fail WL_DOWN : %d, lpc = %d\n", __FUNCTION__, ret, lpc));
bcm_mkiovar("lpc", (char *)&lpc, 4, iovbuf, sizeof(iovbuf));
ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
DHD_ERROR(("%s Set lpc ret --> %d\n", __FUNCTION__, ret));
}
#endif
}
#endif /* DHD_ENABLE_LPC */
/* Set PowerSave mode */
dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0);
/* Match Host and Dongle rx alignment */
bcm_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#if defined(CUSTOMER_HW2) && defined(USE_WL_CREDALL)
/* enable credall to reduce the chance of no bus credit happened. */
bcm_mkiovar("bus:credall", (char *)&credall, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#endif
if (glom != DEFAULT_GLOM_VALUE) {
DHD_INFO(("%s set glom=0x%X\n", __FUNCTION__, glom));
bcm_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
}
/* Setup timeout if Beacons are lost and roam is off to report link down */
bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
/* Setup assoc_retry_max count to reconnect target AP in dongle */
bcm_mkiovar("assoc_retry_max", (char *)&retry_max, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#if defined(AP) && !defined(WLP2P)
/* Turn off MPC in AP mode */
bcm_mkiovar("mpc", (char *)&mpc, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
bcm_mkiovar("apsta", (char *)&apsta, 4, iovbuf, sizeof(iovbuf));
dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
#endif /* defined(AP) && !defined(WLP2P) */
#if defined(SOFTAP)
if (ap_fw_loaded == TRUE) {
dhd_wl_ioctl_cmd(dhd, WLC_SET_DTIMPRD, (char *)&dtim, sizeof(dtim), TRUE, 0);
}
#endif
#if defined(KEEP_ALIVE)
{
/* Set Keep Alive : be sure to use FW with -keepalive */
int res;
#if defined(SOFTAP)
if (ap_fw_loaded == FALSE)
#endif
if (!(dhd->op_mode &
(DHD_FLAG_HOSTAP_MODE | DHD_FLAG_MFG_MODE))) {
if ((res = dhd_keep_alive_onoff(dhd)) < 0)
DHD_ERROR(("%s set keeplive failed %d\n",
__FUNCTION__, res));
}
}
#endif /* defined(KEEP_ALIVE) */
#ifdef USE_WL_TXBF
bcm_mkiovar("txbf", (char *)&txbf, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s Set txbf failed %d\n", __FUNCTION__, ret));
}
#endif /* USE_WL_TXBF */
#ifdef USE_WL_FRAMEBURST
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
/* Disable Framebursting for SofAP */
if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
frameburst = 0;
}
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
/* Set frameburst to value */
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_FAKEFRAG, (char *)&frameburst,
sizeof(frameburst), TRUE, 0)) < 0) {
DHD_ERROR(("%s Set frameburst failed %d\n", __FUNCTION__, ret));
}
#endif /* USE_WL_FRAMEBURST */
#if defined(CUSTOM_AMPDU_BA_WSIZE)
/* Set ampdu ba wsize to 64 or 16 */
#ifdef CUSTOM_AMPDU_BA_WSIZE
ampdu_ba_wsize = CUSTOM_AMPDU_BA_WSIZE;
#endif
if (ampdu_ba_wsize != 0) {
bcm_mkiovar("ampdu_ba_wsize", (char *)&ampdu_ba_wsize, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s Set ampdu_ba_wsize to %d failed %d\n",
__FUNCTION__, ampdu_ba_wsize, ret));
}
}
#endif
#if defined(CUSTOM_AMPDU_MPDU)
ampdu_mpdu = CUSTOM_AMPDU_MPDU;
if (ampdu_mpdu != 0 && (ampdu_mpdu <= ampdu_ba_wsize)) {
bcm_mkiovar("ampdu_mpdu", (char *)&ampdu_mpdu, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s Set ampdu_mpdu to %d failed %d\n",
__FUNCTION__, CUSTOM_AMPDU_MPDU, ret));
}
}
#endif /* CUSTOM_AMPDU_MPDU */
#ifdef CUSTOM_PSPRETEND_THR
/* Turn off MPC in AP mode */
bcm_mkiovar("pspretend_threshold", (char *)&pspretend_thr, 4,
iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s pspretend_threshold for HostAPD failed %d\n",
__FUNCTION__, ret));
}
#endif
bcm_mkiovar("buf_key_b4_m4", (char *)&buf_key_b4_m4, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s buf_key_b4_m4 set failed %d\n", __FUNCTION__, ret));
}
/* Read event_msgs mask */
bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0)) < 0) {
DHD_ERROR(("%s read Event mask failed %d\n", __FUNCTION__, ret));
goto done;
}
bcopy(iovbuf, eventmask, WL_EVENTING_MASK_LEN);
/* Setup event_msgs */
setbit(eventmask, WLC_E_SET_SSID);
setbit(eventmask, WLC_E_PRUNE);
setbit(eventmask, WLC_E_AUTH);
setbit(eventmask, WLC_E_ASSOC);
setbit(eventmask, WLC_E_REASSOC);
setbit(eventmask, WLC_E_REASSOC_IND);
setbit(eventmask, WLC_E_DEAUTH);
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_START);
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_ASSOC_REQ_IE);
setbit(eventmask, WLC_E_ASSOC_RESP_IE);
#ifndef WL_CFG80211
setbit(eventmask, WLC_E_PMKID_CACHE);
setbit(eventmask, WLC_E_TXFAIL);
#endif
setbit(eventmask, WLC_E_JOIN_START);
setbit(eventmask, WLC_E_SCAN_COMPLETE);
#ifdef DHD_DEBUG
setbit(eventmask, WLC_E_SCAN_CONFIRM_IND);
#endif
#ifdef WLMEDIA_HTSF
setbit(eventmask, WLC_E_HTSFSYNC);
#endif /* WLMEDIA_HTSF */
#ifdef PNO_SUPPORT
setbit(eventmask, WLC_E_PFN_NET_FOUND);
setbit(eventmask, WLC_E_PFN_BEST_BATCHING);
setbit(eventmask, WLC_E_PFN_BSSID_NET_FOUND);
setbit(eventmask, WLC_E_PFN_BSSID_NET_LOST);
#endif /* PNO_SUPPORT */
/* enable dongle roaming event */
setbit(eventmask, WLC_E_ROAM);
setbit(eventmask, WLC_E_BSSID);
#ifdef WLTDLS
setbit(eventmask, WLC_E_TDLS_PEER_EVENT);
#endif /* WLTDLS */
#ifdef WL_CFG80211
setbit(eventmask, WLC_E_ESCAN_RESULT);
if (dhd->op_mode & DHD_FLAG_P2P_MODE) {
setbit(eventmask, WLC_E_ACTION_FRAME_RX);
setbit(eventmask, WLC_E_P2P_DISC_LISTEN_COMPLETE);
}
#endif /* WL_CFG80211 */
setbit(eventmask, WLC_E_TRACE);
setbit(eventmask, WLC_E_CSA_COMPLETE_IND);
/* Write updated Event mask */
bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s Set Event mask failed %d\n", __FUNCTION__, ret));
goto done;
}
/* make up event mask ext message iovar for event larger than 128 */
msglen = ROUNDUP(WLC_E_LAST, NBBY)/NBBY + EVENTMSGS_EXT_STRUCT_SIZE;
eventmask_msg = (eventmsgs_ext_t*)kmalloc(msglen, GFP_KERNEL);
if (eventmask_msg == NULL) {
DHD_ERROR(("failed to allocate %d bytes for event_msg_ext\n", msglen));
return BCME_NOMEM;
}
bzero(eventmask_msg, msglen);
eventmask_msg->ver = EVENTMSGS_VER;
eventmask_msg->len = ROUNDUP(WLC_E_LAST, NBBY)/NBBY;
/* Read event_msgs_ext mask */
bcm_mkiovar("event_msgs_ext", (char *)eventmask_msg, msglen, iov_buf, sizeof(iov_buf));
ret2 = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iov_buf, sizeof(iov_buf), FALSE, 0);
if (ret2 != BCME_UNSUPPORTED)
ret = ret2;
if (ret2 == 0) { /* event_msgs_ext must be supported */
bcopy(iov_buf, eventmask_msg, msglen);
/* Enable required event mask */
setbit(eventmask_msg->mask, WLC_E_PKT_FILTER);
/* Write updated Event mask */
eventmask_msg->ver = EVENTMSGS_VER;
eventmask_msg->command = EVENTMSGS_SET_MASK;
eventmask_msg->len = ROUNDUP(WLC_E_LAST, NBBY)/NBBY;
bcm_mkiovar("event_msgs_ext", (char *)eventmask_msg,
msglen, iov_buf, sizeof(iov_buf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR,
iov_buf, sizeof(iov_buf), TRUE, 0)) < 0) {
DHD_ERROR(("%s write event mask ext failed %d\n", __FUNCTION__, ret));
kfree(eventmask_msg);
goto done;
}
} else if (ret2 < 0 && ret2 != BCME_UNSUPPORTED) {
DHD_ERROR(("%s read event mask ext failed %d\n", __FUNCTION__, ret2));
kfree(eventmask_msg);
goto done;
} /* unsupported is ok */
kfree(eventmask_msg);
dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_CHANNEL_TIME, (char *)&scan_assoc_time,
sizeof(scan_assoc_time), TRUE, 0);
dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_UNASSOC_TIME, (char *)&scan_unassoc_time,
sizeof(scan_unassoc_time), TRUE, 0);
dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_PASSIVE_TIME, (char *)&scan_passive_time,
sizeof(scan_passive_time), TRUE, 0);
#ifdef ARP_OFFLOAD_SUPPORT
/* Set and enable ARP offload feature for STA only */
#if defined(SOFTAP)
if (arpoe && !ap_fw_loaded) {
#else
if (arpoe) {
#endif
dhd_arp_offload_enable(dhd, TRUE);
dhd_arp_offload_set(dhd, dhd_arp_mode);
} else {
dhd_arp_offload_enable(dhd, FALSE);
dhd_arp_offload_set(dhd, 0);
}
dhd_arp_enable = arpoe;
#endif /* ARP_OFFLOAD_SUPPORT */
#ifdef PKT_FILTER_SUPPORT
/* Setup default defintions for pktfilter , enable in suspend */
dhd->pktfilter_count = 6;
/* Setup filter to allow only unicast */
dhd->pktfilter[DHD_UNICAST_FILTER_NUM] = "100 0 0 0 0x01 0x00";
dhd->pktfilter[DHD_BROADCAST_FILTER_NUM] = NULL;
dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = NULL;
dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = NULL;
/* Add filter to pass multicastDNS packet and NOT filter out as Broadcast */
dhd->pktfilter[DHD_MDNS_FILTER_NUM] = "104 0 0 0 0xFFFFFFFFFFFF 0x01005E0000FB";
/* apply APP pktfilter */
dhd->pktfilter[DHD_ARP_FILTER_NUM] = "105 0 0 12 0xFFFF 0x0806";
#if defined(SOFTAP)
if (ap_fw_loaded) {
dhd_enable_packet_filter(0, dhd);
}
#endif /* defined(SOFTAP) */
dhd_set_packet_filter(dhd);
#endif /* PKT_FILTER_SUPPORT */
#ifdef DISABLE_11N
bcm_mkiovar("nmode", (char *)&nmode, 4, iovbuf, sizeof(iovbuf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
DHD_ERROR(("%s wl nmode 0 failed %d\n", __FUNCTION__, ret));
#endif /* DISABLE_11N */
/* query for 'ver' to get version info from firmware */
memset(buf, 0, sizeof(buf));
ptr = buf;
bcm_mkiovar("ver", (char *)&buf, 4, buf, sizeof(buf));
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), FALSE, 0)) < 0)
DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret));
else {
bcmstrtok(&ptr, "\n", 0);
/* Print fw version info */
DHD_ERROR(("Firmware version = %s\n", buf));
dhd_set_version_info(dhd, buf);
}
dhd_txglom_enable(dhd, TRUE);
#ifdef PROP_TXSTATUS
if (disable_proptx ||
#ifdef PROP_TXSTATUS_VSDB
/* enable WLFC only if the firmware is VSDB when it is in STA mode */
(dhd->op_mode != DHD_FLAG_HOSTAP_MODE &&
dhd->op_mode != DHD_FLAG_IBSS_MODE) ||
#endif /* PROP_TXSTATUS_VSDB */
FALSE) {
wlfc_enable = FALSE;
}
#ifndef DISABLE_11N
bcm_mkiovar("ampdu_hostreorder", (char *)&hostreorder, 4, iovbuf, sizeof(iovbuf));
if ((ret2 = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
DHD_ERROR(("%s wl ampdu_hostreorder failed %d\n", __FUNCTION__, ret2));
if (ret2 != BCME_UNSUPPORTED)
ret = ret2;
#if defined(CUSTOM_PLATFORM_NV_TEGRA)
if (ret == BCME_NOTDOWN) {
uint wl_down = 1;
ret2 = dhd_wl_ioctl_cmd(dhd, WLC_DOWN, (char *)&wl_down,
sizeof(wl_down), TRUE, 0);
DHD_ERROR(("%s ampdu_hostreorder fail WL_DOWN : %d, hostreorder :%d\n",
__FUNCTION__, ret2, hostreorder));
bcm_mkiovar("ampdu_hostreorder", (char *)&hostreorder, 4,
iovbuf, sizeof(iovbuf));
ret2 = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
DHD_ERROR(("%s wl ampdu_hostreorder. ret --> %d\n", __FUNCTION__, ret2));
if (ret2 != BCME_UNSUPPORTED)
ret = ret2;
}
#endif
if (ret2 != BCME_OK)
hostreorder = 0;
}
#endif /* DISABLE_11N */
if (wlfc_enable)
dhd_wlfc_init(dhd);
#ifndef DISABLE_11N
else if (hostreorder)
dhd_wlfc_hostreorder_init(dhd);
#endif /* DISABLE_11N */
#endif /* PROP_TXSTATUS */
#ifdef PNO_SUPPORT
if (!dhd->pno_state) {
dhd_pno_init(dhd);
}
#endif
#ifdef WL11U
dhd_interworking_enable(dhd);
#endif /* WL11U */
done:
return ret;
}
int
dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, int set)
{
char buf[strlen(name) + 1 + cmd_len];
int len = sizeof(buf);
wl_ioctl_t ioc;
int ret;
len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len);
memset(&ioc, 0, sizeof(ioc));
ioc.cmd = set? WLC_SET_VAR : WLC_GET_VAR;
ioc.buf = buf;
ioc.len = len;
ioc.set = set;
ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len);
if (!set && ret >= 0)
memcpy(cmd_buf, buf, cmd_len);
return ret;
}
int dhd_change_mtu(dhd_pub_t *dhdp, int new_mtu, int ifidx)
{
struct dhd_info *dhd = dhdp->info;
struct net_device *dev = NULL;
ASSERT(dhd && dhd->iflist[ifidx]);
dev = dhd->iflist[ifidx]->net;
ASSERT(dev);
if (netif_running(dev)) {
DHD_ERROR(("%s: Must be down to change its MTU", dev->name));
return BCME_NOTDOWN;
}
#define DHD_MIN_MTU 1500
#define DHD_MAX_MTU 1752
if ((new_mtu < DHD_MIN_MTU) || (new_mtu > DHD_MAX_MTU)) {
DHD_ERROR(("%s: MTU size %d is invalid.\n", __FUNCTION__, new_mtu));
return BCME_BADARG;
}
dev->mtu = new_mtu;
return 0;
}
#ifdef ARP_OFFLOAD_SUPPORT
/* add or remove AOE host ip(s) (up to 8 IPs on the interface) */
void
aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add, int idx)
{
u32 ipv4_buf[MAX_IPV4_ENTRIES]; /* temp save for AOE host_ip table */
int i;
int ret;
bzero(ipv4_buf, sizeof(ipv4_buf));
/* display what we've got */
ret = dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf), idx);
DHD_ARPOE(("%s: hostip table read from Dongle:\n", __FUNCTION__));
#ifdef AOE_DBG
dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */
#endif
/* now we saved hoste_ip table, clr it in the dongle AOE */
dhd_aoe_hostip_clr(dhd_pub, idx);
if (ret) {
DHD_ERROR(("%s failed\n", __FUNCTION__));
return;
}
for (i = 0; i < MAX_IPV4_ENTRIES; i++) {
if (add && (ipv4_buf[i] == 0)) {
ipv4_buf[i] = ipa;
add = FALSE; /* added ipa to local table */
DHD_ARPOE(("%s: Saved new IP in temp arp_hostip[%d]\n",
__FUNCTION__, i));
} else if (ipv4_buf[i] == ipa) {
ipv4_buf[i] = 0;
DHD_ARPOE(("%s: removed IP:%x from temp table %d\n",
__FUNCTION__, ipa, i));
}
if (ipv4_buf[i] != 0) {
/* add back host_ip entries from our local cache */
dhd_arp_offload_add_ip(dhd_pub, ipv4_buf[i], idx);
DHD_ARPOE(("%s: added IP:%x to dongle arp_hostip[%d]\n\n",
__FUNCTION__, ipv4_buf[i], i));
}
}
#ifdef AOE_DBG
/* see the resulting hostip table */
dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf), idx);
DHD_ARPOE(("%s: read back arp_hostip table:\n", __FUNCTION__));
dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */
#endif
}
/*
* Notification mechanism from kernel to our driver. This function is called by the Linux kernel
* whenever there is an event related to an IP address.
* ptr : kernel provided pointer to IP address that has changed
*/
static int dhd_inetaddr_notifier_call(struct notifier_block *this,
unsigned long event,
void *ptr)
{
struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
dhd_info_t *dhd;
dhd_pub_t *dhd_pub;
int idx;
if (!dhd_arp_enable)
return NOTIFY_DONE;
if (!ifa || !(ifa->ifa_dev->dev))
return NOTIFY_DONE;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31))
/* Filter notifications meant for non Broadcom devices */
if ((ifa->ifa_dev->dev->netdev_ops != &dhd_ops_pri) &&
(ifa->ifa_dev->dev->netdev_ops != &dhd_ops_virt)) {
#if defined(WL_ENABLE_P2P_IF)
if (!wl_cfgp2p_is_ifops(ifa->ifa_dev->dev->netdev_ops))
#endif /* WL_ENABLE_P2P_IF */
return NOTIFY_DONE;
}
#endif /* LINUX_VERSION_CODE */
dhd = *(dhd_info_t **)netdev_priv(ifa->ifa_dev->dev);
if (!dhd)
return NOTIFY_DONE;
dhd_pub = &dhd->pub;
#if defined(ARP_OFFLOAD_SUPPORT)
if (dhd_pub->arp_version == 1) {
idx = 0;
}
else {
#else
{
#endif
for (idx = 0; idx < DHD_MAX_IFS; idx++) {
if (dhd->iflist[idx] && dhd->iflist[idx]->net == ifa->ifa_dev->dev)
break;
}
if (idx < DHD_MAX_IFS)
DHD_TRACE(("ifidx : %p %s %d\n", dhd->iflist[idx]->net,
dhd->iflist[idx]->name, dhd->iflist[idx]->idx));
else {
DHD_ERROR(("Cannot find ifidx for(%s) set to 0\n", ifa->ifa_label));
idx = 0;
}
}
switch (event) {
case NETDEV_UP:
DHD_ARPOE(("%s: [%s] Up IP: 0x%x\n",
__FUNCTION__, ifa->ifa_label, ifa->ifa_address));
if (dhd->pub.busstate != DHD_BUS_DATA) {
DHD_ERROR(("%s: bus not ready, exit\n", __FUNCTION__));
if (dhd->pend_ipaddr) {
DHD_ERROR(("%s: overwrite pending ipaddr: 0x%x\n",
__FUNCTION__, dhd->pend_ipaddr));
}
dhd->pend_ipaddr = ifa->ifa_address;
break;
}
#ifdef AOE_IP_ALIAS_SUPPORT
DHD_ARPOE(("%s:add aliased IP to AOE hostip cache\n",
__FUNCTION__));
aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, TRUE, idx);
#endif /* AOE_IP_ALIAS_SUPPORT */
break;
case NETDEV_DOWN:
DHD_ARPOE(("%s: [%s] Down IP: 0x%x\n",
__FUNCTION__, ifa->ifa_label, ifa->ifa_address));
dhd->pend_ipaddr = 0;
#ifdef AOE_IP_ALIAS_SUPPORT
DHD_ARPOE(("%s:interface is down, AOE clr all for this if\n",
__FUNCTION__));
aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, FALSE, idx);
#else
dhd_aoe_hostip_clr(&dhd->pub, idx);
dhd_aoe_arp_clr(&dhd->pub, idx);
#endif /* AOE_IP_ALIAS_SUPPORT */
break;
default:
DHD_ARPOE(("%s: do noting for [%s] Event: %lu\n",
__func__, ifa->ifa_label, event));
break;
}
return NOTIFY_DONE;
}
#endif /* ARP_OFFLOAD_SUPPORT */
/* Neighbor Discovery Offload: defered handler */
static void
dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event)
{
struct ipv6_work_info_t *ndo_work = (struct ipv6_work_info_t *)event_data;
dhd_pub_t *pub = &((dhd_info_t *)dhd_info)->pub;
int ret;
if (event != DHD_WQ_WORK_IPV6_NDO) {
DHD_ERROR(("%s: unexpected event \n", __FUNCTION__));
return;
}
if (!ndo_work) {
DHD_ERROR(("%s: ipv6 work info is not initialized \n", __FUNCTION__));
return;
}
if (!pub) {
DHD_ERROR(("%s: dhd pub is not initialized \n", __FUNCTION__));
return;
}
if (ndo_work->if_idx) {
DHD_ERROR(("%s: idx %d \n", __FUNCTION__, ndo_work->if_idx));
return;
}
switch (ndo_work->event) {
case NETDEV_UP:
DHD_TRACE(("%s: Enable NDO and add ipv6 into table \n ", __FUNCTION__));
ret = dhd_ndo_enable(pub, TRUE);
if (ret < 0) {
DHD_ERROR(("%s: Enabling NDO Failed %d\n", __FUNCTION__, ret));
}
ret = dhd_ndo_add_ip(pub, &ndo_work->ipv6_addr[0], ndo_work->if_idx);
if (ret < 0) {
DHD_ERROR(("%s: Adding host ip for NDO failed %d\n",
__FUNCTION__, ret));
}
break;
case NETDEV_DOWN:
DHD_TRACE(("%s: clear ipv6 table \n", __FUNCTION__));
ret = dhd_ndo_remove_ip(pub, ndo_work->if_idx);
if (ret < 0) {
DHD_ERROR(("%s: Removing host ip for NDO failed %d\n",
__FUNCTION__, ret));
goto done;
}
ret = dhd_ndo_enable(pub, FALSE);
if (ret < 0) {
DHD_ERROR(("%s: disabling NDO Failed %d\n", __FUNCTION__, ret));
goto done;
}
break;
default:
DHD_ERROR(("%s: unknown notifier event \n", __FUNCTION__));
break;
}
done:
/* free ndo_work. alloced while scheduling the work */
kfree(ndo_work);
return;
}
/*
* Neighbor Discovery Offload: Called when an interface
* is assigned with ipv6 address.
* Handles only primary interface
*/
static int dhd_inet6addr_notifier_call(struct notifier_block *this,
unsigned long event,
void *ptr)
{
dhd_info_t *dhd;
dhd_pub_t *dhd_pub;
struct inet6_ifaddr *inet6_ifa = ptr;
struct in6_addr *ipv6_addr = &inet6_ifa->addr;
struct ipv6_work_info_t *ndo_info;
int idx = 0; /* REVISIT */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31))
/* Filter notifications meant for non Broadcom devices */
if (inet6_ifa->idev->dev->netdev_ops != &dhd_ops_pri) {
return NOTIFY_DONE;
}
#endif /* LINUX_VERSION_CODE */
dhd = *(dhd_info_t **)netdev_priv(inet6_ifa->idev->dev);
if (!dhd)
return NOTIFY_DONE;
if (dhd->iflist[idx] && dhd->iflist[idx]->net != inet6_ifa->idev->dev)
return NOTIFY_DONE;
dhd_pub = &dhd->pub;
if (!FW_SUPPORTED(dhd_pub, ndoe))
return NOTIFY_DONE;
ndo_info = (struct ipv6_work_info_t *)kzalloc(sizeof(struct ipv6_work_info_t), GFP_ATOMIC);
if (!ndo_info) {
DHD_ERROR(("%s: ipv6 work alloc failed\n", __FUNCTION__));
return NOTIFY_DONE;
}
ndo_info->event = event;
ndo_info->if_idx = idx;
memcpy(&ndo_info->ipv6_addr[0], ipv6_addr, IPV6_ADDR_LEN);
/* defer the work to thread as it may block kernel */
dhd_deferred_schedule_work((void *)ndo_info, DHD_WQ_WORK_IPV6_NDO,
dhd_inet6_work_handler, DHD_WORK_PRIORITY_LOW);
return NOTIFY_DONE;
}
int
dhd_register_if(dhd_pub_t *dhdp, int ifidx, bool need_rtnl_lock)
{
dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
struct net_device *net = NULL;
int err = 0;
uint8 temp_addr[ETHER_ADDR_LEN] = { 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33 };
DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx));
ASSERT(dhd && dhd->iflist[ifidx]);
net = dhd->iflist[ifidx]->net;
ASSERT(net);
#ifndef P2PONEINT
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31))
ASSERT(!net->open);
net->get_stats = dhd_get_stats;
net->do_ioctl = dhd_ioctl_entry;
net->hard_start_xmit = dhd_start_xmit;
net->set_mac_address = dhd_set_mac_address;
net->set_multicast_list = dhd_set_multicast_list;
net->open = net->stop = NULL;
#else
ASSERT(!net->netdev_ops);
net->netdev_ops = &dhd_ops_virt;
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) */
#else
net->netdev_ops = &dhd_cfgp2p_ops_virt;
#endif /* P2PONEINT */
/* Ok, link into the network layer... */
if (ifidx == 0) {
/*
* device functions for the primary interface only
*/
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31))
net->open = dhd_open;
net->stop = dhd_stop;
#else
net->netdev_ops = &dhd_ops_pri;
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) */
if (!ETHER_ISNULLADDR(dhd->pub.mac.octet))
memcpy(temp_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN);
} else {
/*
* We have to use the primary MAC for virtual interfaces
*/
memcpy(temp_addr, dhd->iflist[ifidx]->mac_addr, ETHER_ADDR_LEN);
/*
* Android sets the locally administered bit to indicate that this is a
* portable hotspot. This will not work in simultaneous AP/STA mode,
* nor with P2P. Need to set the Donlge's MAC address, and then use that.
*/
if (!memcmp(temp_addr, dhd->iflist[0]->mac_addr,
ETHER_ADDR_LEN)) {
DHD_ERROR(("%s interface [%s]: set locally administered bit in MAC\n",
__func__, net->name));
temp_addr[0] |= 0x02;
}
}
net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24)
net->ethtool_ops = &dhd_ethtool_ops;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */
#if defined(WL_WIRELESS_EXT)
#if WIRELESS_EXT < 19
net->get_wireless_stats = dhd_get_wireless_stats;
#endif /* WIRELESS_EXT < 19 */
#if WIRELESS_EXT > 12
net->wireless_handlers = (struct iw_handler_def *)&wl_iw_handler_def;
#endif /* WIRELESS_EXT > 12 */
#endif /* defined(WL_WIRELESS_EXT) */
dhd->pub.rxsz = DBUS_RX_BUFFER_SIZE_DHD(net);
memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN);
if (ifidx == 0)
printf("%s\n", dhd_version);
if (need_rtnl_lock)
err = register_netdev(net);
else
err = register_netdevice(net);
if (err != 0) {
DHD_ERROR(("couldn't register the net device [%s], err %d\n", net->name, err));
goto fail;
}
printf("Register interface [%s] MAC: "MACDBG"\n\n", net->name,
MAC2STRDBG(net->dev_addr));
#if defined(SOFTAP) && defined(WL_WIRELESS_EXT) && !defined(WL_CFG80211)
wl_iw_iscan_set_scan_broadcast_prep(net, 1);
#endif
#if defined(BCMLXSDMMC) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
if (ifidx == 0) {
#ifdef BCMLXSDMMC
up(&dhd_registration_sem);
#endif
if (!dhd_download_fw_on_driverload) {
#ifdef WL_CFG80211
wl_terminate_event_handler();
#endif /* WL_CFG80211 */
dhd_net_bus_devreset(net, TRUE);
dhd_net_bus_suspend(net);
wifi_platform_set_power(dhdp->info->adapter, FALSE, WIFI_TURNOFF_DELAY);
}
}
#endif /* OEM_ANDROID && BCMLXSDMMC && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */
return 0;
fail:
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)
net->open = NULL;
#else
net->netdev_ops = NULL;
#endif
return err;
}
void
dhd_bus_detach(dhd_pub_t *dhdp)
{
dhd_info_t *dhd;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (dhdp) {
dhd = (dhd_info_t *)dhdp->info;
if (dhd) {
/*
* In case of Android cfg80211 driver, the bus is down in dhd_stop,
* calling stop again will cuase SD read/write errors.
*/
if (dhd->pub.busstate != DHD_BUS_DOWN) {
/* Stop the protocol module */
dhd_prot_stop(&dhd->pub);
/* Stop the bus module */
dhd_bus_stop(dhd->pub.bus, TRUE);
}
#if defined(OOB_INTR_ONLY)
OOB_PARAM_IF(!(dhdp->oob_disable)) {
dhd_bus_oob_intr_unregister(dhdp);
}
#endif
}
}
}
void dhd_detach(dhd_pub_t *dhdp)
{
dhd_info_t *dhd;
unsigned long flags;
int timer_valid = FALSE;
if (!dhdp)
return;
dhd = (dhd_info_t *)dhdp->info;
if (!dhd)
return;
DHD_TRACE(("%s: Enter state 0x%x\n", __FUNCTION__, dhd->dhd_state));
dhd->pub.up = 0;
if (!(dhd->dhd_state & DHD_ATTACH_STATE_DONE)) {
/* Give sufficient time for threads to start running in case
* dhd_attach() has failed
*/
OSL_SLEEP(100);
}
#ifdef WL_CFG80211
if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) {
wl_cfg80211_down(NULL);
}
#endif /* WL_CFG80211 */
if (dhd->dhd_state & DHD_ATTACH_STATE_PROT_ATTACH) {
dhd_bus_detach(dhdp);
if (dhdp->prot)
dhd_prot_detach(dhdp);
}
#ifdef ARP_OFFLOAD_SUPPORT
if (dhd_inetaddr_notifier_registered) {
dhd_inetaddr_notifier_registered = FALSE;
unregister_inetaddr_notifier(&dhd_inetaddr_notifier);
}
#endif /* ARP_OFFLOAD_SUPPORT */
if (dhd_inet6addr_notifier_registered) {
dhd_inet6addr_notifier_registered = FALSE;
unregister_inet6addr_notifier(&dhd_inet6addr_notifier);
}
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
if (dhd->dhd_state & DHD_ATTACH_STATE_EARLYSUSPEND_DONE) {
if (dhd->early_suspend.suspend)
unregister_early_suspend(&dhd->early_suspend);
}
#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */
#if defined(WL_WIRELESS_EXT)
if (dhd->dhd_state & DHD_ATTACH_STATE_WL_ATTACH) {
/* Detatch and unlink in the iw */
wl_iw_detach();
}
#endif /* defined(WL_WIRELESS_EXT) */
/* delete all interfaces, start with virtual */
if (dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) {
int i = 1;
dhd_if_t *ifp;
/* Cleanup virtual interfaces */
dhd_net_if_lock_local(dhd);
for (i = 1; i < DHD_MAX_IFS; i++) {
if (dhd->iflist[i])
dhd_remove_if(&dhd->pub, i, TRUE);
}
dhd_net_if_unlock_local(dhd);
/* delete primary interface 0 */
ifp = dhd->iflist[0];
ASSERT(ifp);
ASSERT(ifp->net);
if (ifp && ifp->net) {
/* in unregister_netdev case, the interface gets freed by net->destructor
* (which is set to free_netdev)
*/
if (ifp->net->reg_state == NETREG_UNINITIALIZED)
free_netdev(ifp->net);
else
unregister_netdev(ifp->net);
ifp->net = NULL;
MFREE(dhd->pub.osh, ifp, sizeof(*ifp));
dhd->iflist[0] = NULL;
}
}
/* Clear the watchdog timer */
flags = dhd_os_spin_lock(&dhd->pub);
timer_valid = dhd->wd_timer_valid;
dhd->wd_timer_valid = FALSE;
dhd_os_spin_unlock(&dhd->pub, flags);
if (timer_valid)
del_timer_sync(&dhd->timer);
if (dhd->dhd_state & DHD_ATTACH_STATE_THREADS_CREATED) {
if (dhd->thr_wdt_ctl.thr_pid >= 0) {
PROC_STOP(&dhd->thr_wdt_ctl);
}
if (dhd->rxthread_enabled && dhd->thr_rxf_ctl.thr_pid >= 0) {
PROC_STOP(&dhd->thr_rxf_ctl);
}
if (dhd->thr_dpc_ctl.thr_pid >= 0) {
PROC_STOP(&dhd->thr_dpc_ctl);
} else
tasklet_kill(&dhd->tasklet);
}
#ifdef WL_CFG80211
if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) {
wl_cfg80211_detach(NULL);
dhd_monitor_uninit();
}
#endif
/* free deferred work queue */
dhd_deferred_work_deinit(dhd->dhd_deferred_wq);
dhd->dhd_deferred_wq = NULL;
#ifdef SHOW_LOGTRACE
if (dhd->event_data.fmts)
kfree(dhd->event_data.fmts);
if (dhd->event_data.raw_fmts)
kfree(dhd->event_data.raw_fmts);
if (dhd->event_data.raw_sstr)
kfree(dhd->event_data.raw_sstr);
#endif /* SHOW_LOGTRACE */
#ifdef PNO_SUPPORT
if (dhdp->pno_state)
dhd_pno_deinit(dhdp);
#endif
#if defined(CONFIG_PM_SLEEP)
if (dhd_pm_notifier_registered) {
unregister_pm_notifier(&dhd->pm_notifier);
dhd_pm_notifier_registered = FALSE;
}
#endif /* CONFIG_PM_SLEEP */
#ifdef SAR_SUPPORT
if (dhd_sar_notifier_registered) {
unregister_notifier_by_sar(&dhd->sar_notifier);
dhd_sar_notifier_registered = FALSE;
}
#endif
#ifdef DEBUG_CPU_FREQ
if (dhd->new_freq)
free_percpu(dhd->new_freq);
dhd->new_freq = NULL;
cpufreq_unregister_notifier(&dhd->freq_trans, CPUFREQ_TRANSITION_NOTIFIER);
#endif
if (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT) {
DHD_TRACE(("wd wakelock count:%d\n", dhd->wakelock_wd_counter));
#ifdef CONFIG_HAS_WAKELOCK
dhd->wakelock_counter = 0;
dhd->wakelock_wd_counter = 0;
dhd->wakelock_rx_timeout_enable = 0;
dhd->wakelock_ctrl_timeout_enable = 0;
wake_lock_destroy(&dhd->wl_wifi);
wake_lock_destroy(&dhd->wl_rxwake);
wake_lock_destroy(&dhd->wl_ctrlwake);
wake_lock_destroy(&dhd->wl_wdwake);
#endif /* CONFIG_HAS_WAKELOCK */
}
#ifdef DHDTCPACK_SUPPRESS
/* This will free all MEM allocated for TCPACK SUPPRESS */
dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF);
#endif /* DHDTCPACK_SUPPRESS */
}
void
dhd_free(dhd_pub_t *dhdp)
{
dhd_info_t *dhd;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (dhdp) {
int i;
for (i = 0; i < ARRAYSIZE(dhdp->reorder_bufs); i++) {
if (dhdp->reorder_bufs[i]) {
reorder_info_t *ptr;
uint32 buf_size = sizeof(struct reorder_info);
ptr = dhdp->reorder_bufs[i];
buf_size += ((ptr->max_idx + 1) * sizeof(void*));
DHD_REORDER(("free flow id buf %d, maxidx is %d, buf_size %d\n",
i, ptr->max_idx, buf_size));
MFREE(dhdp->osh, dhdp->reorder_bufs[i], buf_size);
dhdp->reorder_bufs[i] = NULL;
}
}
dhd = (dhd_info_t *)dhdp->info;
/* If pointer is allocated by dhd_os_prealloc then avoid MFREE */
if (dhd &&
dhd != (dhd_info_t *)dhd_os_prealloc(dhdp, DHD_PREALLOC_DHD_INFO, 0, FALSE))
MFREE(dhd->pub.osh, dhd, sizeof(*dhd));
dhd = NULL;
}
}
static void __exit
dhd_module_cleanup(void)
{
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
dhd_bus_unregister();
wl_android_exit();
dhd_wifi_platform_unregister_drv();
}
static int __init
dhd_module_init(void)
{
int err;
DHD_ERROR(("%s in\n", __FUNCTION__));
err = dhd_wifi_platform_register_drv();
return err;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
#if defined(CONFIG_DEFERRED_INITCALLS)
deferred_module_init(dhd_module_init);
#elif defined(USE_LATE_INITCALL_SYNC)
late_initcall_sync(dhd_module_init);
#else
late_initcall(dhd_module_init);
#endif /* USE_LATE_INITCALL_SYNC */
#else
module_init(dhd_module_init);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */
module_exit(dhd_module_cleanup);
/*
* OS specific functions required to implement DHD driver in OS independent way
*/
int
dhd_os_proto_block(dhd_pub_t *pub)
{
dhd_info_t * dhd = (dhd_info_t *)(pub->info);
if (dhd) {
down(&dhd->proto_sem);
return 1;
}
return 0;
}
int
dhd_os_proto_unblock(dhd_pub_t *pub)
{
dhd_info_t * dhd = (dhd_info_t *)(pub->info);
if (dhd) {
up(&dhd->proto_sem);
return 1;
}
return 0;
}
unsigned int
dhd_os_get_ioctl_resp_timeout(void)
{
return ((unsigned int)dhd_ioctl_timeout_msec);
}
void
dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec)
{
dhd_ioctl_timeout_msec = (int)timeout_msec;
}
int
dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending)
{
dhd_info_t * dhd = (dhd_info_t *)(pub->info);
int timeout;
/* Convert timeout in millsecond to jiffies */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
timeout = msecs_to_jiffies(dhd_ioctl_timeout_msec);
#else
timeout = dhd_ioctl_timeout_msec * HZ / 1000;
#endif
timeout = wait_event_timeout(dhd->ioctl_resp_wait, (*condition), timeout);
return timeout;
}
int
dhd_os_ioctl_resp_wake(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
wake_up(&dhd->ioctl_resp_wait);
return 0;
}
void
dhd_os_wd_timer_extend(void *bus, bool extend)
{
dhd_pub_t *pub = bus;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
if (extend)
dhd_os_wd_timer(bus, WATCHDOG_EXTEND_INTERVAL);
else
dhd_os_wd_timer(bus, dhd->default_wd_interval);
}
void
dhd_os_wd_timer(void *bus, uint wdtick)
{
dhd_pub_t *pub = bus;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
unsigned long flags;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (!dhd) {
DHD_ERROR(("%s: dhd NULL\n", __FUNCTION__));
return;
}
flags = dhd_os_spin_lock(pub);
/* don't start the wd until fw is loaded */
if (pub->busstate == DHD_BUS_DOWN) {
dhd_os_spin_unlock(pub, flags);
if (!wdtick)
DHD_OS_WD_WAKE_UNLOCK(pub);
return;
}
/* Totally stop the timer */
if (!wdtick && dhd->wd_timer_valid == TRUE) {
dhd->wd_timer_valid = FALSE;
dhd_os_spin_unlock(pub, flags);
del_timer_sync(&dhd->timer);
DHD_OS_WD_WAKE_UNLOCK(pub);
return;
}
if (wdtick) {
DHD_OS_WD_WAKE_LOCK(pub);
dhd_watchdog_ms = (uint)wdtick;
/* Re arm the timer, at last watchdog period */
mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms));
dhd->wd_timer_valid = TRUE;
}
dhd_os_spin_unlock(pub, flags);
}
void *
dhd_os_open_image(char *filename)
{
struct file *fp;
fp = filp_open(filename, O_RDONLY, 0);
/*
* 2.6.11 (FC4) supports filp_open() but later revs don't?
* Alternative:
* fp = open_namei(AT_FDCWD, filename, O_RD, 0);
* ???
*/
if (IS_ERR(fp))
fp = NULL;
return fp;
}
int
dhd_os_get_image_block(char *buf, int len, void *image)
{
struct file *fp = (struct file *)image;
int rdlen;
if (!image)
return 0;
rdlen = kernel_read(fp, fp->f_pos, buf, len);
if (rdlen > 0)
fp->f_pos += rdlen;
return rdlen;
}
void
dhd_os_close_image(void *image)
{
if (image)
filp_close((struct file *)image, NULL);
}
void
dhd_os_sdlock(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
if (dhd_dpc_prio >= 0)
down(&dhd->sdsem);
else
spin_lock_bh(&dhd->sdlock);
}
void
dhd_os_sdunlock(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
if (dhd_dpc_prio >= 0)
up(&dhd->sdsem);
else
spin_unlock_bh(&dhd->sdlock);
}
void
dhd_os_sdlock_txq(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
spin_lock_bh(&dhd->txqlock);
}
void
dhd_os_sdunlock_txq(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
spin_unlock_bh(&dhd->txqlock);
}
void
dhd_os_sdlock_rxq(dhd_pub_t *pub)
{
}
void
dhd_os_sdunlock_rxq(dhd_pub_t *pub)
{
}
void
dhd_os_sdtxlock(dhd_pub_t *pub)
{
dhd_os_sdlock(pub);
}
void
dhd_os_sdtxunlock(dhd_pub_t *pub)
{
dhd_os_sdunlock(pub);
}
static void
dhd_os_rxflock(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
spin_lock_bh(&dhd->rxf_lock);
}
static void
dhd_os_rxfunlock(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
spin_unlock_bh(&dhd->rxf_lock);
}
#ifdef DHDTCPACK_SUPPRESS
void
dhd_os_tcpacklock(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
spin_lock_bh(&dhd->tcpack_lock);
}
void
dhd_os_tcpackunlock(dhd_pub_t *pub)
{
dhd_info_t *dhd;
dhd = (dhd_info_t *)(pub->info);
spin_unlock_bh(&dhd->tcpack_lock);
}
#endif /* DHDTCPACK_SUPPRESS */
uint8* dhd_os_prealloc(dhd_pub_t *dhdpub, int section, uint size, bool kmalloc_if_fail)
{
uint8* buf;
gfp_t flags = CAN_SLEEP() ? GFP_KERNEL: GFP_ATOMIC;
if (section > DHD_PREALLOC_SECTION_MAX) {
DHD_ERROR(("%s: Invalid Section ID: %d\n", __FUNCTION__, section));
return NULL;
}
buf = (uint8*)wifi_platform_prealloc(dhdpub->info->adapter, section, size);
if (buf == NULL && kmalloc_if_fail) {
if (isset(dhdpub->prealloc_malloc_mask, section)) {
DHD_ERROR(("%s: Section %d(size: %d) is already allocated\n",
__FUNCTION__, section, size));
return NULL;
}
buf = kmalloc(size, flags);
if (buf) {
DHD_ERROR(("%s: Preallocated memory section %d(size: %d)"
"allocated by kmalloc\n", __FUNCTION__,
section, size));
setbit(dhdpub->prealloc_malloc_mask, section);
}
}
return buf;
}
void dhd_os_prefree(dhd_pub_t *dhdpub, int section, void *addr, uint size)
{
if (section > DHD_PREALLOC_SECTION_MAX) {
DHD_ERROR(("%s: Invalid Section ID: %d\n", __FUNCTION__, section));
return;
}
if (addr && isset(dhdpub->prealloc_malloc_mask, section)) {
DHD_ERROR(("%s: Preallocated memory section %d(size: %d)"
"memory is freed by kfree\n", __FUNCTION__,
section, size));
clrbit(dhdpub->prealloc_malloc_mask, section);
kfree(addr);
}
}
#if defined(WL_WIRELESS_EXT)
struct iw_statistics *
dhd_get_wireless_stats(struct net_device *dev)
{
int res = 0;
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
if (!dhd->pub.up) {
return NULL;
}
res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats);
if (res == 0)
return &dhd->iw.wstats;
else
return NULL;
}
#endif /* defined(WL_WIRELESS_EXT) */
static int
dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, uint16 pktlen,
wl_event_msg_t *event, void **data)
{
int bcmerror = 0;
ASSERT(dhd != NULL);
#ifdef SHOW_LOGTRACE
bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, pktlen, event, data, &dhd->event_data);
#else
bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, pktlen, event, data, NULL);
#endif /* SHOW_LOGTRACE */
if (bcmerror != BCME_OK)
return (bcmerror);
#if defined(WL_WIRELESS_EXT)
if (event->bsscfgidx == 0) {
/*
* Wireless ext is on primary interface only
*/
ASSERT(dhd->iflist[*ifidx] != NULL);
ASSERT(dhd->iflist[*ifidx]->net != NULL);
if (dhd->iflist[*ifidx]->net) {
wl_iw_event(dhd->iflist[*ifidx]->net, event, *data);
}
}
#endif /* defined(WL_WIRELESS_EXT) */
#ifdef WL_CFG80211
ASSERT(dhd->iflist[*ifidx] != NULL);
ASSERT(dhd->iflist[*ifidx]->net != NULL);
if (dhd->iflist[*ifidx]->net)
wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, *data);
#endif /* defined(WL_CFG80211) */
return (bcmerror);
}
/* send up locally generated event */
void
dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data)
{
switch (ntoh32(event->event_type)) {
default:
break;
}
}
#ifdef LOG_INTO_TCPDUMP
void
dhd_sendup_log(dhd_pub_t *dhdp, void *data, int data_len)
{
struct sk_buff *p, *skb;
uint32 pktlen;
int len;
dhd_if_t *ifp;
dhd_info_t *dhd;
uchar *skb_data;
int ifidx = 0;
struct ether_header eth;
pktlen = sizeof(eth) + data_len;
dhd = dhdp->info;
if ((p = PKTGET(dhdp->osh, pktlen, FALSE))) {
ASSERT(ISALIGNED((uintptr)PKTDATA(dhdp->osh, p), sizeof(uint32)));
bcopy(&dhdp->mac, &eth.ether_dhost, ETHER_ADDR_LEN);
bcopy(&dhdp->mac, &eth.ether_shost, ETHER_ADDR_LEN);
ETHER_TOGGLE_LOCALADDR(&eth.ether_shost);
eth.ether_type = hton16(ETHER_TYPE_BRCM);
bcopy((void *)&eth, PKTDATA(dhdp->osh, p), sizeof(eth));
bcopy(data, PKTDATA(dhdp->osh, p) + sizeof(eth), data_len);
skb = PKTTONATIVE(dhdp->osh, p);
skb_data = skb->data;
len = skb->len;
ifidx = dhd_ifname2idx(dhd, "wlan0");
ifp = dhd->iflist[ifidx];
if (ifp == NULL)
ifp = dhd->iflist[0];
ASSERT(ifp);
skb->dev = ifp->net;
skb->protocol = eth_type_trans(skb, skb->dev);
skb->data = skb_data;
skb->len = len;
/* Strip header, count, deliver upward */
skb_pull(skb, ETH_HLEN);
/* Send the packet */
if (in_interrupt()) {
netif_rx(skb);
} else {
netif_rx_ni(skb);
}
}
else {
/* Could not allocate a sk_buf */
DHD_ERROR(("%s: unable to alloc sk_buf", __FUNCTION__));
}
}
#endif /* LOG_INTO_TCPDUMP */
void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
struct dhd_info *dhdinfo = dhd->info;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
int timeout = msecs_to_jiffies(IOCTL_RESP_TIMEOUT);
#else
int timeout = (IOCTL_RESP_TIMEOUT / 1000) * HZ;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */
dhd_os_sdunlock(dhd);
wait_event_timeout(dhdinfo->ctrl_wait, (*lockvar == FALSE), timeout);
dhd_os_sdlock(dhd);
#endif
return;
}
void dhd_wait_event_wakeup(dhd_pub_t *dhd)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
struct dhd_info *dhdinfo = dhd->info;
if (waitqueue_active(&dhdinfo->ctrl_wait))
wake_up(&dhdinfo->ctrl_wait);
#endif
return;
}
int
dhd_net_bus_devreset(struct net_device *dev, uint8 flag)
{
int ret;
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
if (flag == TRUE) {
/* Issue wl down command before resetting the chip */
if (dhd_wl_ioctl_cmd(&dhd->pub, WLC_DOWN, NULL, 0, TRUE, 0) < 0) {
DHD_TRACE(("%s: wl down failed\n", __FUNCTION__));
}
#ifdef PROP_TXSTATUS
if (dhd->pub.wlfc_enabled)
dhd_wlfc_deinit(&dhd->pub);
#endif /* PROP_TXSTATUS */
#ifdef PNO_SUPPORT
if (dhd->pub.pno_state)
dhd_pno_deinit(&dhd->pub);
#endif
}
if (!flag) {
dhd_update_fw_nv_path(dhd);
/* update firmware and nvram path to sdio bus */
dhd_bus_update_fw_nv_path(dhd->pub.bus,
dhd->fw_path, dhd->nv_path);
}
ret = dhd_bus_devreset(&dhd->pub, flag);
if (ret) {
DHD_ERROR(("%s: dhd_bus_devreset: %d\n", __FUNCTION__, ret));
return ret;
}
return ret;
}
int
dhd_net_bus_suspend(struct net_device *dev)
{
dhd_info_t *dhdinfo = *(dhd_info_t **)netdev_priv(dev);
return dhd_bus_suspend(&dhdinfo->pub);
}
int
dhd_net_bus_resume(struct net_device *dev, uint8 stage)
{
dhd_info_t *dhdinfo = *(dhd_info_t **)netdev_priv(dev);
return dhd_bus_resume(&dhdinfo->pub, stage);
}
int net_os_set_suspend_disable(struct net_device *dev, int val)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd) {
ret = dhd->pub.suspend_disable_flag;
dhd->pub.suspend_disable_flag = val;
}
return ret;
}
int net_os_set_suspend(struct net_device *dev, int val, int force)
{
int ret = 0;
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
if (dhd) {
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
ret = dhd_set_suspend(val, &dhd->pub);
#else
ret = dhd_suspend_resume_helper(dhd, val, force);
#endif
#ifdef WL_CFG80211
wl_cfg80211_update_power_mode(dev);
#endif
}
return ret;
}
int net_os_set_suspend_bcn_li_dtim(struct net_device *dev, int val)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
if (dhd)
dhd->pub.suspend_bcn_li_dtim = val;
return 0;
}
#ifdef PKT_FILTER_SUPPORT
int net_os_rxfilter_add_remove(struct net_device *dev, int add_remove, int num)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
char *filterp = NULL;
int filter_id = 0;
int ret = 0;
if (!dhd || (num == DHD_UNICAST_FILTER_NUM) ||
(num == DHD_MDNS_FILTER_NUM))
return ret;
if (num >= dhd->pub.pktfilter_count)
return -EINVAL;
switch (num) {
case DHD_BROADCAST_FILTER_NUM:
filterp = "101 0 0 0 0xFFFFFFFFFFFF 0xFFFFFFFFFFFF";
filter_id = 101;
break;
case DHD_MULTICAST4_FILTER_NUM:
filterp = "102 0 0 0 0xFFFFFF 0x01005E";
filter_id = 102;
break;
case DHD_MULTICAST6_FILTER_NUM:
filterp = "103 0 0 0 0xFFFF 0x3333";
filter_id = 103;
break;
default:
return -EINVAL;
}
/* Add filter */
if (add_remove) {
dhd->pub.pktfilter[num] = filterp;
dhd_pktfilter_offload_set(&dhd->pub, dhd->pub.pktfilter[num]);
} else { /* Delete filter */
if (dhd->pub.pktfilter[num] != NULL) {
dhd_pktfilter_offload_delete(&dhd->pub, filter_id);
dhd->pub.pktfilter[num] = NULL;
}
}
return ret;
}
int dhd_os_enable_packet_filter(dhd_pub_t *dhdp, int val)
{
int ret = 0;
/* Packet filtering is set only if we still in early-suspend and
* we need either to turn it ON or turn it OFF
* We can always turn it OFF in case of early-suspend, but we turn it
* back ON only if suspend_disable_flag was not set
*/
if (dhdp && dhdp->up) {
if (dhdp->in_suspend) {
if (!val || (val && !dhdp->suspend_disable_flag))
dhd_enable_packet_filter(val, dhdp);
}
}
return ret;
}
/* function to enable/disable packet for Network device */
int net_os_enable_packet_filter(struct net_device *dev, int val)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return dhd_os_enable_packet_filter(&dhd->pub, val);
}
#endif /* PKT_FILTER_SUPPORT */
int
dhd_dev_init_ioctl(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret;
dhd_process_cid_mac(&dhd->pub, TRUE);
if ((ret = dhd_prot_init(&dhd->pub)) < 0)
goto done;
dhd_process_cid_mac(&dhd->pub, FALSE);
done:
return ret;
}
#ifdef PNO_SUPPORT
/* Linux wrapper to call common dhd_pno_stop_for_ssid */
int
dhd_dev_pno_stop_for_ssid(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return (dhd_pno_stop_for_ssid(&dhd->pub));
}
/* Linux wrapper to call common dhd_pno_set_for_ssid */
int
dhd_dev_pno_set_for_ssid(struct net_device *dev, wlc_ssid_t* ssids_local, int nssid,
uint16 scan_fr, int pno_repeat, int pno_freq_expo_max, uint16 *channel_list, int nchan)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return (dhd_pno_set_for_ssid(&dhd->pub, ssids_local, nssid, scan_fr,
pno_repeat, pno_freq_expo_max, channel_list, nchan));
}
/* Linux wrapper to call common dhd_pno_enable */
int
dhd_dev_pno_enable(struct net_device *dev, int enable)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return (dhd_pno_enable(&dhd->pub, enable));
}
/* Linux wrapper to call common dhd_pno_set_for_hotlist */
int
dhd_dev_pno_set_for_hotlist(struct net_device *dev, wl_pfn_bssid_t *p_pfn_bssid,
struct dhd_pno_hotlist_params *hotlist_params)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return (dhd_pno_set_for_hotlist(&dhd->pub, p_pfn_bssid, hotlist_params));
}
/* Linux wrapper to call common dhd_dev_pno_stop_for_batch */
int
dhd_dev_pno_stop_for_batch(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return (dhd_pno_stop_for_batch(&dhd->pub));
}
/* Linux wrapper to call common dhd_dev_pno_set_for_batch */
int
dhd_dev_pno_set_for_batch(struct net_device *dev, struct dhd_pno_batch_params *batch_params)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return (dhd_pno_set_for_batch(&dhd->pub, batch_params));
}
/* Linux wrapper to call common dhd_dev_pno_get_for_batch */
int
dhd_dev_pno_get_for_batch(struct net_device *dev, char *buf, int bufsize)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
return (dhd_pno_get_for_batch(&dhd->pub, buf, bufsize, PNO_STATUS_NORMAL));
}
#endif /* PNO_SUPPORT */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
static void dhd_hang_process(void *dhd_info, void *event_info, u8 event)
{
dhd_info_t *dhd;
struct net_device *dev;
dhd = (dhd_info_t *)dhd_info;
dev = dhd->iflist[0]->net;
if (dev) {
rtnl_lock();
dev_close(dev);
rtnl_unlock();
#if defined(WL_WIRELESS_EXT)
wl_iw_send_priv_event(dev, "HANG");
#endif
#if defined(WL_CFG80211)
wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED);
#endif
}
}
int dhd_os_send_hang_message(dhd_pub_t *dhdp)
{
int ret = 0;
if (dhdp) {
if (!dhdp->hang_was_sent) {
dhdp->hang_was_sent = 1;
dhd_deferred_schedule_work((void *)dhdp, DHD_WQ_WORK_HANG_MSG,
dhd_hang_process, DHD_WORK_PRIORITY_HIGH);
}
}
return ret;
}
int net_os_send_hang_message(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd) {
/* Report FW problem when enabled */
if (dhd->pub.hang_report) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
ret = dhd_os_send_hang_message(&dhd->pub);
#else
ret = wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED);
#endif
} else {
DHD_ERROR(("%s: FW HANG ignored (for testing purpose) and not sent up\n",
__FUNCTION__));
/* Enforce bus down to stop any future traffic */
dhd->pub.busstate = DHD_BUS_DOWN;
}
}
return ret;
}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) && OEM_ANDROID */
int dhd_net_wifi_platform_set_power(struct net_device *dev, bool on, unsigned long delay_msec)
{
dhd_info_t *dhdinfo = *(dhd_info_t **)netdev_priv(dev);
return wifi_platform_set_power(dhdinfo->adapter, on, delay_msec);
}
void dhd_get_customized_country_code(struct net_device *dev, char *country_iso_code,
wl_country_t *cspec)
{
dhd_info_t *dhdinfo = *(dhd_info_t **)netdev_priv(dev);
get_customized_country_code(dhdinfo->adapter, country_iso_code, cspec);
}
void dhd_bus_country_set(struct net_device *dev, wl_country_t *cspec, bool notify)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
if (dhd && dhd->pub.up) {
memcpy(&dhd->pub.dhd_cspec, cspec, sizeof(wl_country_t));
#ifdef WL_CFG80211
wl_update_wiphybands(NULL, notify);
#endif
}
}
void dhd_bus_band_set(struct net_device *dev, uint band)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
if (dhd && dhd->pub.up) {
#ifdef WL_CFG80211
wl_update_wiphybands(NULL, true);
#endif
}
}
int dhd_net_set_fw_path(struct net_device *dev, char *fw)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
if (!fw || fw[0] == '\0')
return -EINVAL;
strncpy(dhd->fw_path, fw, sizeof(dhd->fw_path) - 1);
dhd->fw_path[sizeof(dhd->fw_path)-1] = '\0';
#if defined(SOFTAP)
if (strstr(fw, "apsta") != NULL) {
DHD_INFO(("GOT APSTA FIRMWARE\n"));
ap_fw_loaded = TRUE;
} else {
DHD_INFO(("GOT STA FIRMWARE\n"));
ap_fw_loaded = FALSE;
}
#endif
return 0;
}
void dhd_net_if_lock(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
dhd_net_if_lock_local(dhd);
}
void dhd_net_if_unlock(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
dhd_net_if_unlock_local(dhd);
}
static void dhd_net_if_lock_local(dhd_info_t *dhd)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
if (dhd)
mutex_lock(&dhd->dhd_net_if_mutex);
#endif
}
static void dhd_net_if_unlock_local(dhd_info_t *dhd)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
if (dhd)
mutex_unlock(&dhd->dhd_net_if_mutex);
#endif
}
static void dhd_suspend_lock(dhd_pub_t *pub)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
if (dhd)
mutex_lock(&dhd->dhd_suspend_mutex);
#endif
}
static void dhd_suspend_unlock(dhd_pub_t *pub)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
if (dhd)
mutex_unlock(&dhd->dhd_suspend_mutex);
#endif
}
unsigned long dhd_os_spin_lock(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags = 0;
if (dhd)
spin_lock_irqsave(&dhd->dhd_lock, flags);
return flags;
}
void dhd_os_spin_unlock(dhd_pub_t *pub, unsigned long flags)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
if (dhd)
spin_unlock_irqrestore(&dhd->dhd_lock, flags);
}
static int
dhd_get_pend_8021x_cnt(dhd_info_t *dhd)
{
return (atomic_read(&dhd->pend_8021x_cnt));
}
#define MAX_WAIT_FOR_8021X_TX 50
int
dhd_wait_pend8021x(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int timeout = msecs_to_jiffies(10);
int ntimes = MAX_WAIT_FOR_8021X_TX;
int pend = dhd_get_pend_8021x_cnt(dhd);
while (ntimes && pend) {
if (pend) {
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(timeout);
set_current_state(TASK_RUNNING);
ntimes--;
}
pend = dhd_get_pend_8021x_cnt(dhd);
}
if (ntimes == 0)
{
atomic_set(&dhd->pend_8021x_cnt, 0);
DHD_ERROR(("%s: TIMEOUT\n", __FUNCTION__));
}
return pend;
}
#ifdef DHD_DEBUG
int
write_to_file(dhd_pub_t *dhd, uint8 *buf, int size)
{
int ret = 0;
struct file *fp;
mm_segment_t old_fs;
loff_t pos = 0;
/* change to KERNEL_DS address limit */
old_fs = get_fs();
set_fs(KERNEL_DS);
/* open file to write */
fp = filp_open("/tmp/mem_dump", O_WRONLY|O_CREAT, 0640);
if (!fp) {
printf("%s: open file error\n", __FUNCTION__);
ret = -1;
goto exit;
}
/* Write buf to file */
fp->f_op->write(fp, buf, size, &pos);
exit:
/* free buf before return */
MFREE(dhd->osh, buf, size);
/* close file before return */
if (fp)
filp_close(fp, current->files);
/* restore previous address limit */
set_fs(old_fs);
return ret;
}
static void dhd_join_timeout(ulong data)
{
dhd_info_t *dhd = (dhd_info_t *)data;
if (dhd->join_timer_active)
DHD_ERROR(("DHD: %s: JOIN TIMEOUT\n",
__FUNCTION__));
}
int dhd_start_join_timer(dhd_pub_t *pub)
{
int ret;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
DHD_INFO(("DHD: Join Timer Started:%s:\n", __FUNCTION__));
if (!dhd->join_timeout_val)
dhd->join_timeout_val = DHD_JOIN_MAX_TIME_DEFAULT;
init_timer(&dhd->join_timer);
dhd->join_timer.data = (ulong)dhd;
dhd->join_timer.function = dhd_join_timeout;
dhd->join_timer_active = TRUE;
ret = mod_timer(&dhd->join_timer, jiffies + msecs_to_jiffies(dhd->join_timeout_val));
return ret;
}
int dhd_del_join_timer(dhd_pub_t *pub)
{
int ret = BCME_OK;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
if (dhd->join_timer_active) {
ret = del_timer(&dhd->join_timer);
DHD_INFO(("DHD: Join Timer Stopped:%s:\n", __FUNCTION__));
}
return ret;
}
int dhd_set_join_timeout(dhd_pub_t *pub, uint32 timeout)
{
int ret = BCME_OK;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
if (timeout) {
dhd->join_timeout_val = timeout;
return ret;
}
DHD_ERROR(("DHD: Join Timer Can not be zero:%s:\n", __FUNCTION__));
return BCME_ERROR;
}
uint32 dhd_get_join_timeout(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)pub->info;
return dhd->join_timeout_val;
}
static void dhd_scan_timeout(ulong data)
{
dhd_info_t *dhd = (dhd_info_t *)data;
if (dhd->scan_timer_active) {
DHD_ERROR(("DHD: %s: SCAN TIMEOUT\n",
__FUNCTION__));
}
}
int dhd_add_scan_timer(dhd_pub_t *pub)
{
int ret;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
DHD_ERROR(("DHD: Scan Timer Started:%s:\n", __FUNCTION__));
if (!dhd->scan_time_count)
dhd->scan_time_count = DHD_SCAN_DEF_TIMEOUT;
init_timer(&dhd->scan_timer);
dhd->scan_timer.data = (ulong)dhd;
dhd->scan_timer.function = dhd_scan_timeout;
dhd->scan_timer_active = TRUE;
ret = mod_timer(&dhd->scan_timer, jiffies + msecs_to_jiffies(dhd->scan_time_count));
return ret;
}
int dhd_del_scan_timer(dhd_pub_t *pub)
{
int ret = BCME_OK;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
if (dhd->scan_timer_active) {
ret = del_timer(&dhd->scan_timer);
DHD_INFO(("DHD: Scan Timer Stopped:%s:\n", __FUNCTION__));
}
return ret;
}
int dhd_set_scan_timeout(dhd_pub_t *pub, uint32 timeout)
{
int ret = BCME_OK;
dhd_info_t *dhd = (dhd_info_t *)pub->info;
if (timeout) {
dhd->scan_time_count = timeout;
return ret;
}
DHD_ERROR(("DHD: Scan Timer Can not be zero:%s:\n", __FUNCTION__));
return BCME_ERROR;
}
uint32 dhd_get_scan_timeout(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)pub->info;
return dhd->scan_time_count;
}
#endif /* DHD_DEBUG */
int dhd_os_wake_lock_timeout(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
int ret = 0;
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
ret = dhd->wakelock_rx_timeout_enable > dhd->wakelock_ctrl_timeout_enable ?
dhd->wakelock_rx_timeout_enable : dhd->wakelock_ctrl_timeout_enable;
#ifdef CONFIG_HAS_WAKELOCK
if (dhd->wakelock_rx_timeout_enable)
wake_lock_timeout(&dhd->wl_rxwake,
msecs_to_jiffies(dhd->wakelock_rx_timeout_enable));
if (dhd->wakelock_ctrl_timeout_enable)
wake_lock_timeout(&dhd->wl_ctrlwake,
msecs_to_jiffies(dhd->wakelock_ctrl_timeout_enable));
#endif
dhd->wakelock_rx_timeout_enable = 0;
dhd->wakelock_ctrl_timeout_enable = 0;
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return ret;
}
int net_os_wake_lock_timeout(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd)
ret = dhd_os_wake_lock_timeout(&dhd->pub);
return ret;
}
int dhd_os_wake_lock_rx_timeout_enable(dhd_pub_t *pub, int val)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
if (val > dhd->wakelock_rx_timeout_enable)
dhd->wakelock_rx_timeout_enable = val;
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return 0;
}
int dhd_os_wake_lock_ctrl_timeout_enable(dhd_pub_t *pub, int val)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
if (val > dhd->wakelock_ctrl_timeout_enable)
dhd->wakelock_ctrl_timeout_enable = val;
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return 0;
}
int dhd_os_wake_lock_ctrl_timeout_cancel(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
dhd->wakelock_ctrl_timeout_enable = 0;
#ifdef CONFIG_HAS_WAKELOCK
if (wake_lock_active(&dhd->wl_ctrlwake))
wake_unlock(&dhd->wl_ctrlwake);
#endif
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return 0;
}
int net_os_wake_lock_rx_timeout_enable(struct net_device *dev, int val)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd)
ret = dhd_os_wake_lock_rx_timeout_enable(&dhd->pub, val);
return ret;
}
int net_os_wake_lock_ctrl_timeout_enable(struct net_device *dev, int val)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd)
ret = dhd_os_wake_lock_ctrl_timeout_enable(&dhd->pub, val);
return ret;
}
int dhd_os_wake_lock(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
int ret = 0;
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) {
#ifdef CONFIG_HAS_WAKELOCK
wake_lock(&dhd->wl_wifi);
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
dhd_bus_dev_pm_stay_awake(pub);
#endif
}
dhd->wakelock_counter++;
ret = dhd->wakelock_counter;
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return ret;
}
int net_os_wake_lock(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd)
ret = dhd_os_wake_lock(&dhd->pub);
return ret;
}
int dhd_os_wake_unlock(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
int ret = 0;
dhd_os_wake_lock_timeout(pub);
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
if (dhd->wakelock_counter > 0) {
dhd->wakelock_counter--;
if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) {
#ifdef CONFIG_HAS_WAKELOCK
wake_unlock(&dhd->wl_wifi);
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
dhd_bus_dev_pm_relax(pub);
#endif
}
ret = dhd->wakelock_counter;
}
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return ret;
}
int dhd_os_check_wakelock(dhd_pub_t *pub)
{
#if defined(CONFIG_HAS_WAKELOCK) || (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
dhd_info_t *dhd;
if (!pub)
return 0;
dhd = (dhd_info_t *)(pub->info);
#endif /* CONFIG_HAS_WAKELOCK || BCMSDIO */
#ifdef CONFIG_HAS_WAKELOCK
/* Indicate to the SD Host to avoid going to suspend if internal locks are up */
if (dhd && (wake_lock_active(&dhd->wl_wifi) ||
(wake_lock_active(&dhd->wl_wdwake))))
return 1;
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
if (dhd && (dhd->wakelock_counter > 0) && dhd_bus_dev_pm_enabled(pub))
return 1;
#endif
return 0;
}
int net_os_wake_unlock(struct net_device *dev)
{
dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
int ret = 0;
if (dhd)
ret = dhd_os_wake_unlock(&dhd->pub);
return ret;
}
int dhd_os_wd_wake_lock(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
int ret = 0;
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
if (dhd->wakelock_wd_counter == 0 && !dhd->waive_wakelock) {
#ifdef CONFIG_HAS_WAKELOCK
/* if wakelock_wd_counter was never used : lock it at once */
wake_lock(&dhd->wl_wdwake);
#endif
}
dhd->wakelock_wd_counter++;
ret = dhd->wakelock_wd_counter;
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return ret;
}
int dhd_os_wd_wake_unlock(dhd_pub_t *pub)
{
dhd_info_t *dhd = (dhd_info_t *)(pub->info);
unsigned long flags;
int ret = 0;
if (dhd) {
spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
if (dhd->wakelock_wd_counter > 0) {
dhd->wakelock_wd_counter = 0;
if (!dhd->waive_wakelock) {
#ifdef CONFIG_HAS_WAKELOCK
wake_unlock(&dhd->wl_wdwake);
#endif
}
}
spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
}
return ret;
}
#ifdef PROP_TXSTATUS
/* waive wakelocks for operations such as IOVARs in suspend function, must be closed
* by a paired function call to dhd_wakelock_restore. returns current wakelock counter
*/
int dhd_wakelock_waive(dhd_info_t *dhdinfo)
{
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&dhdinfo->wakelock_spinlock, flags);
/* dhd_wakelock_waive/dhd_wakelock_restore must be paired */
if (dhdinfo->waive_wakelock)
goto exit;
/* record current lock status */
dhdinfo->wakelock_before_waive = dhdinfo->wakelock_counter;
dhdinfo->waive_wakelock = TRUE;
exit:
ret = dhdinfo->wakelock_wd_counter;
spin_unlock_irqrestore(&dhdinfo->wakelock_spinlock, flags);
return ret;
}
int dhd_wakelock_restore(dhd_info_t *dhdinfo)
{
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&dhdinfo->wakelock_spinlock, flags);
/* dhd_wakelock_waive/dhd_wakelock_restore must be paired */
if (!dhdinfo->waive_wakelock)
goto exit;
dhdinfo->waive_wakelock = FALSE;
/* if somebody else acquires wakelock between dhd_wakelock_waive/dhd_wakelock_restore,
* we need to make it up by calling wake_lock or pm_stay_awake. or if somebody releases
* the lock in between, do the same by calling wake_unlock or pm_relax
*/
if (dhdinfo->wakelock_before_waive == 0 && dhdinfo->wakelock_counter > 0) {
#ifdef CONFIG_HAS_WAKELOCK
wake_lock(&dhdinfo->wl_wifi);
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
dhd_bus_dev_pm_stay_awake(&dhdinfo->pub);
#endif
} else if (dhdinfo->wakelock_before_waive > 0 && dhdinfo->wakelock_counter == 0) {
#ifdef CONFIG_HAS_WAKELOCK
wake_unlock(&dhdinfo->wl_wifi);
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
dhd_bus_dev_pm_relax(&dhdinfo->pub);
#endif
}
dhdinfo->wakelock_before_waive = 0;
exit:
ret = dhdinfo->wakelock_wd_counter;
spin_unlock_irqrestore(&dhdinfo->wakelock_spinlock, flags);
return ret;
}
#endif /* PROP_TXSTATUS */
bool dhd_os_check_if_up(dhd_pub_t *pub)
{
if (!pub)
return FALSE;
return pub->up;
}
/* function to collect firmware, chip id and chip version info */
void dhd_set_version_info(dhd_pub_t *dhdp, char *fw)
{
int i;
i = snprintf(info_string, sizeof(info_string),
" Driver: %s\n Firmware: %s ", EPI_VERSION_STR, fw);
if (!dhdp)
return;
i = snprintf(&info_string[i], sizeof(info_string) - i,
"\n Chip: %x Rev %x Pkg %x", dhd_bus_chip_id(dhdp),
dhd_bus_chiprev_id(dhdp), dhd_bus_chippkg_id(dhdp));
}
int dhd_ioctl_entry_local(struct net_device *net, wl_ioctl_t *ioc, int cmd)
{
int ifidx;
int ret = 0;
dhd_info_t *dhd = NULL;
if (!net || !netdev_priv(net)) {
DHD_ERROR(("%s invalid parameter\n", __FUNCTION__));
return -EINVAL;
}
dhd = *(dhd_info_t **)netdev_priv(net);
if (!dhd)
return -EINVAL;
ifidx = dhd_net2idx(dhd, net);
if (ifidx == DHD_BAD_IF) {
DHD_ERROR(("%s bad ifidx\n", __FUNCTION__));
return -ENODEV;
}
DHD_OS_WAKE_LOCK(&dhd->pub);
ret = dhd_wl_ioctl(&dhd->pub, ifidx, ioc, ioc->buf, ioc->len);
dhd_check_hang(net, &dhd->pub, ret);
DHD_OS_WAKE_UNLOCK(&dhd->pub);
return ret;
}
bool dhd_os_check_hang(dhd_pub_t *dhdp, int ifidx, int ret)
{
struct net_device *net;
net = dhd_idx2net(dhdp, ifidx);
if (!net) {
DHD_ERROR(("%s : Invalid index : %d\n", __FUNCTION__, ifidx));
return -EINVAL;
}
return dhd_check_hang(net, dhdp, ret);
}
#ifdef PROP_TXSTATUS
void dhd_wlfc_plat_init(void *dhd)
{
return;
}
void dhd_wlfc_plat_deinit(void *dhd)
{
return;
}
bool dhd_wlfc_skip_fc(void)
{
return FALSE;
}
#endif /* PROP_TXSTATUS */
#ifdef BCMDBGFS
#include <linux/debugfs.h>
extern uint32 dhd_readregl(void *bp, uint32 addr);
extern uint32 dhd_writeregl(void *bp, uint32 addr, uint32 data);
typedef struct dhd_dbgfs {
struct dentry *debugfs_dir;
struct dentry *debugfs_mem;
dhd_pub_t *dhdp;
uint32 size;
} dhd_dbgfs_t;
dhd_dbgfs_t g_dbgfs;
static int
dhd_dbg_state_open(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
static ssize_t
dhd_dbg_state_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
ssize_t rval;
uint32 tmp;
loff_t pos = *ppos;
size_t ret;
if (pos < 0)
return -EINVAL;
if (pos >= g_dbgfs.size || !count)
return 0;
if (count > g_dbgfs.size - pos)
count = g_dbgfs.size - pos;
/* Basically enforce aligned 4 byte reads. It's up to the user to work out the details */
tmp = dhd_readregl(g_dbgfs.dhdp->bus, file->f_pos & (~3));
ret = copy_to_user(ubuf, &tmp, 4);
if (ret == count)
return -EFAULT;
count -= ret;
*ppos = pos + count;
rval = count;
return rval;
}
static ssize_t
dhd_debugfs_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos)
{
loff_t pos = *ppos;
size_t ret;
uint32 buf;
if (pos < 0)
return -EINVAL;
if (pos >= g_dbgfs.size || !count)
return 0;
if (count > g_dbgfs.size - pos)
count = g_dbgfs.size - pos;
ret = copy_from_user(&buf, ubuf, sizeof(uint32));
if (ret == count)
return -EFAULT;
/* Basically enforce aligned 4 byte writes. It's up to the user to work out the details */
dhd_writeregl(g_dbgfs.dhdp->bus, file->f_pos & (~3), buf);
return count;
}
loff_t
dhd_debugfs_lseek(struct file *file, loff_t off, int whence)
{
loff_t pos = -1;
switch (whence) {
case 0:
pos = off;
break;
case 1:
pos = file->f_pos + off;
break;
case 2:
pos = g_dbgfs.size - off;
}
return (pos < 0 || pos > g_dbgfs.size) ? -EINVAL : (file->f_pos = pos);
}
static const struct file_operations dhd_dbg_state_ops = {
.read = dhd_dbg_state_read,
.write = dhd_debugfs_write,
.open = dhd_dbg_state_open,
.llseek = dhd_debugfs_lseek
};
static void dhd_dbg_create(void)
{
if (g_dbgfs.debugfs_dir) {
g_dbgfs.debugfs_mem = debugfs_create_file("mem", 0644, g_dbgfs.debugfs_dir,
NULL, &dhd_dbg_state_ops);
}
}
void dhd_dbg_init(dhd_pub_t *dhdp)
{
int err;
g_dbgfs.dhdp = dhdp;
g_dbgfs.size = 0x20000000; /* Allow access to various cores regs */
g_dbgfs.debugfs_dir = debugfs_create_dir("dhd", 0);
if (IS_ERR(g_dbgfs.debugfs_dir)) {
err = PTR_ERR(g_dbgfs.debugfs_dir);
g_dbgfs.debugfs_dir = NULL;
return;
}
dhd_dbg_create();
return;
}
void dhd_dbg_remove(void)
{
debugfs_remove(g_dbgfs.debugfs_mem);
debugfs_remove(g_dbgfs.debugfs_dir);
bzero((unsigned char *) &g_dbgfs, sizeof(g_dbgfs));
}
#endif /* ifdef BCMDBGFS */
#ifdef WLMEDIA_HTSF
static
void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf)
{
dhd_info_t *dhd = (dhd_info_t *)(dhdp->info);
struct sk_buff *skb;
uint32 htsf = 0;
uint16 dport = 0, oldmagic = 0xACAC;
char *p1;
htsfts_t ts;
/* timestamp packet */
p1 = (char*) PKTDATA(dhdp->osh, pktbuf);
if (PKTLEN(dhdp->osh, pktbuf) > HTSF_MINLEN) {
/* memcpy(&proto, p1+26, 4); */
memcpy(&dport, p1+40, 2);
/* proto = ((ntoh32(proto))>> 16) & 0xFF; */
dport = ntoh16(dport);
}
/* timestamp only if icmp or udb iperf with port 5555 */
/* if (proto == 17 && dport == tsport) { */
if (dport >= tsport && dport <= tsport + 20) {
skb = (struct sk_buff *) pktbuf;
htsf = dhd_get_htsf(dhd, 0);
memset(skb->data + 44, 0, 2); /* clear checksum */
memcpy(skb->data+82, &oldmagic, 2);
memcpy(skb->data+84, &htsf, 4);
memset(&ts, 0, sizeof(htsfts_t));
ts.magic = HTSFMAGIC;
ts.prio = PKTPRIO(pktbuf);
ts.seqnum = htsf_seqnum++;
ts.c10 = get_cycles();
ts.t10 = htsf;
ts.endmagic = HTSFENDMAGIC;
memcpy(skb->data + HTSF_HOSTOFFSET, &ts, sizeof(ts));
}
}
static void dhd_dump_htsfhisto(histo_t *his, char *s)
{
int pktcnt = 0, curval = 0, i;
for (i = 0; i < (NUMBIN-2); i++) {
curval += 500;
printf("%d ", his->bin[i]);
pktcnt += his->bin[i];
}
printf(" max: %d TotPkt: %d neg: %d [%s]\n", his->bin[NUMBIN-2], pktcnt,
his->bin[NUMBIN-1], s);
}
static
void sorttobin(int value, histo_t *histo)
{
int i, binval = 0;
if (value < 0) {
histo->bin[NUMBIN-1]++;
return;
}
if (value > histo->bin[NUMBIN-2]) /* store the max value */
histo->bin[NUMBIN-2] = value;
for (i = 0; i < (NUMBIN-2); i++) {
binval += 500; /* 500m s bins */
if (value <= binval) {
histo->bin[i]++;
return;
}
}
histo->bin[NUMBIN-3]++;
}
static
void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf)
{
dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
struct sk_buff *skb;
char *p1;
uint16 old_magic;
int d1, d2, d3, end2end;
htsfts_t *htsf_ts;
uint32 htsf;
skb = PKTTONATIVE(dhdp->osh, pktbuf);
p1 = (char*)PKTDATA(dhdp->osh, pktbuf);
if (PKTLEN(osh, pktbuf) > HTSF_MINLEN) {
memcpy(&old_magic, p1+78, 2);
htsf_ts = (htsfts_t*) (p1 + HTSF_HOSTOFFSET - 4);
}
else
return;
if (htsf_ts->magic == HTSFMAGIC) {
htsf_ts->tE0 = dhd_get_htsf(dhd, 0);
htsf_ts->cE0 = get_cycles();
}
if (old_magic == 0xACAC) {
tspktcnt++;
htsf = dhd_get_htsf(dhd, 0);
memcpy(skb->data+92, &htsf, sizeof(uint32));
memcpy(&ts[tsidx].t1, skb->data+80, 16);
d1 = ts[tsidx].t2 - ts[tsidx].t1;
d2 = ts[tsidx].t3 - ts[tsidx].t2;
d3 = ts[tsidx].t4 - ts[tsidx].t3;
end2end = ts[tsidx].t4 - ts[tsidx].t1;
sorttobin(d1, &vi_d1);
sorttobin(d2, &vi_d2);
sorttobin(d3, &vi_d3);
sorttobin(end2end, &vi_d4);
if (end2end > 0 && end2end > maxdelay) {
maxdelay = end2end;
maxdelaypktno = tspktcnt;
memcpy(&maxdelayts, &ts[tsidx], 16);
}
if (++tsidx >= TSMAX)
tsidx = 0;
}
}
uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx)
{
uint32 htsf = 0, cur_cycle, delta, delta_us;
uint32 factor, baseval, baseval2;
cycles_t t;
t = get_cycles();
cur_cycle = t;
if (cur_cycle > dhd->htsf.last_cycle)
delta = cur_cycle - dhd->htsf.last_cycle;
else {
delta = cur_cycle + (0xFFFFFFFF - dhd->htsf.last_cycle);
}
delta = delta >> 4;
if (dhd->htsf.coef) {
/* times ten to get the first digit */
factor = (dhd->htsf.coef*10 + dhd->htsf.coefdec1);
baseval = (delta*10)/factor;
baseval2 = (delta*10)/(factor+1);
delta_us = (baseval - (((baseval - baseval2) * dhd->htsf.coefdec2)) / 10);
htsf = (delta_us << 4) + dhd->htsf.last_tsf + HTSF_BUS_DELAY;
}
else {
DHD_ERROR(("-------dhd->htsf.coef = 0 -------\n"));
}
return htsf;
}
static void dhd_dump_latency(void)
{
int i, max = 0;
int d1, d2, d3, d4, d5;
printf("T1 T2 T3 T4 d1 d2 t4-t1 i \n");
for (i = 0; i < TSMAX; i++) {
d1 = ts[i].t2 - ts[i].t1;
d2 = ts[i].t3 - ts[i].t2;
d3 = ts[i].t4 - ts[i].t3;
d4 = ts[i].t4 - ts[i].t1;
d5 = ts[max].t4-ts[max].t1;
if (d4 > d5 && d4 > 0) {
max = i;
}
printf("%08X %08X %08X %08X \t%d %d %d %d i=%d\n",
ts[i].t1, ts[i].t2, ts[i].t3, ts[i].t4,
d1, d2, d3, d4, i);
}
printf("current idx = %d \n", tsidx);
printf("Highest latency %d pkt no.%d total=%d\n", maxdelay, maxdelaypktno, tspktcnt);
printf("%08X %08X %08X %08X \t%d %d %d %d\n",
maxdelayts.t1, maxdelayts.t2, maxdelayts.t3, maxdelayts.t4,
maxdelayts.t2 - maxdelayts.t1,
maxdelayts.t3 - maxdelayts.t2,
maxdelayts.t4 - maxdelayts.t3,
maxdelayts.t4 - maxdelayts.t1);
}
static int
dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx)
{
wl_ioctl_t ioc;
char buf[32];
int ret;
uint32 s1, s2;
struct tsf {
uint32 low;
uint32 high;
} tsf_buf;
memset(&ioc, 0, sizeof(ioc));
memset(&tsf_buf, 0, sizeof(tsf_buf));
ioc.cmd = WLC_GET_VAR;
ioc.buf = buf;
ioc.len = (uint)sizeof(buf);
ioc.set = FALSE;
strncpy(buf, "tsf", sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
s1 = dhd_get_htsf(dhd, 0);
if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) {
if (ret == -EIO) {
DHD_ERROR(("%s: tsf is not supported by device\n",
dhd_ifname(&dhd->pub, ifidx)));
return -EOPNOTSUPP;
}
return ret;
}
s2 = dhd_get_htsf(dhd, 0);
memcpy(&tsf_buf, buf, sizeof(tsf_buf));
printf(" TSF_h=%04X lo=%08X Calc:htsf=%08X, coef=%d.%d%d delta=%d ",
tsf_buf.high, tsf_buf.low, s2, dhd->htsf.coef, dhd->htsf.coefdec1,
dhd->htsf.coefdec2, s2-tsf_buf.low);
printf("lasttsf=%08X lastcycle=%08X\n", dhd->htsf.last_tsf, dhd->htsf.last_cycle);
return 0;
}
void htsf_update(dhd_info_t *dhd, void *data)
{
static ulong cur_cycle = 0, prev_cycle = 0;
uint32 htsf, tsf_delta = 0;
uint32 hfactor = 0, cyc_delta, dec1 = 0, dec2, dec3, tmp;
ulong b, a;
cycles_t t;
/* cycles_t in inlcude/mips/timex.h */
t = get_cycles();
prev_cycle = cur_cycle;
cur_cycle = t;
if (cur_cycle > prev_cycle)
cyc_delta = cur_cycle - prev_cycle;
else {
b = cur_cycle;
a = prev_cycle;
cyc_delta = cur_cycle + (0xFFFFFFFF - prev_cycle);
}
if (data == NULL)
printf(" tsf update ata point er is null \n");
memcpy(&prev_tsf, &cur_tsf, sizeof(tsf_t));
memcpy(&cur_tsf, data, sizeof(tsf_t));
if (cur_tsf.low == 0) {
DHD_INFO((" ---- 0 TSF, do not update, return\n"));
return;
}
if (cur_tsf.low > prev_tsf.low)
tsf_delta = (cur_tsf.low - prev_tsf.low);
else {
DHD_INFO((" ---- tsf low is smaller cur_tsf= %08X, prev_tsf=%08X, \n",
cur_tsf.low, prev_tsf.low));
if (cur_tsf.high > prev_tsf.high) {
tsf_delta = cur_tsf.low + (0xFFFFFFFF - prev_tsf.low);
DHD_INFO((" ---- Wrap around tsf coutner adjusted TSF=%08X\n", tsf_delta));
}
else
return; /* do not update */
}
if (tsf_delta) {
hfactor = cyc_delta / tsf_delta;
tmp = (cyc_delta - (hfactor * tsf_delta))*10;
dec1 = tmp/tsf_delta;
dec2 = ((tmp - dec1*tsf_delta)*10) / tsf_delta;
tmp = (tmp - (dec1*tsf_delta))*10;
dec3 = ((tmp - dec2*tsf_delta)*10) / tsf_delta;
if (dec3 > 4) {
if (dec2 == 9) {
dec2 = 0;
if (dec1 == 9) {
dec1 = 0;
hfactor++;
}
else {
dec1++;
}
}
else
dec2++;
}
}
if (hfactor) {
htsf = ((cyc_delta * 10) / (hfactor*10+dec1)) + prev_tsf.low;
dhd->htsf.coef = hfactor;
dhd->htsf.last_cycle = cur_cycle;
dhd->htsf.last_tsf = cur_tsf.low;
dhd->htsf.coefdec1 = dec1;
dhd->htsf.coefdec2 = dec2;
}
else {
htsf = prev_tsf.low;
}
}
#endif /* WLMEDIA_HTSF */
#ifdef CUSTOM_SET_CPUCORE
void dhd_set_cpucore(dhd_pub_t *dhd, int set)
{
int e_dpc = 0, e_rxf = 0, retry_set = 0;
if (!(dhd->chan_isvht80)) {
DHD_ERROR(("%s: chan_status(%d) cpucore!!!\n", __FUNCTION__, dhd->chan_isvht80));
return;
}
if (DPC_CPUCORE) {
do {
if (set == TRUE) {
e_dpc = set_cpus_allowed_ptr(dhd->current_dpc,
cpumask_of(DPC_CPUCORE));
} else {
e_dpc = set_cpus_allowed_ptr(dhd->current_dpc,
cpumask_of(PRIMARY_CPUCORE));
}
if (retry_set++ > MAX_RETRY_SET_CPUCORE) {
DHD_ERROR(("%s: dpc(%d) invalid cpu!\n", __FUNCTION__, e_dpc));
return;
}
if (e_dpc < 0)
OSL_SLEEP(1);
} while (e_dpc < 0);
}
if (RXF_CPUCORE) {
do {
if (set == TRUE) {
e_rxf = set_cpus_allowed_ptr(dhd->current_rxf,
cpumask_of(RXF_CPUCORE));
} else {
e_rxf = set_cpus_allowed_ptr(dhd->current_rxf,
cpumask_of(PRIMARY_CPUCORE));
}
if (retry_set++ > MAX_RETRY_SET_CPUCORE) {
DHD_ERROR(("%s: rxf(%d) invalid cpu!\n", __FUNCTION__, e_rxf));
return;
}
if (e_rxf < 0)
OSL_SLEEP(1);
} while (e_rxf < 0);
}
#ifdef DHD_OF_SUPPORT
interrupt_set_cpucore(set, DPC_CPUCORE, PRIMARY_CPUCORE);
#endif /* DHD_OF_SUPPORT */
DHD_TRACE(("%s: set(%d) cpucore success!\n", __FUNCTION__, set));
return;
}
#endif /* CUSTOM_SET_CPUCORE */