HTC Vision (and others) have a Broadcom BCM4329 chip-set for WiFi/Bluetooth/FM-rx...
[bootloader-ap.git] / drivers / net / wireless / bcm4329 / dhd_linux.c
diff --git a/drivers/net/wireless/bcm4329/dhd_linux.c b/drivers/net/wireless/bcm4329/dhd_linux.c
new file mode 100644 (file)
index 0000000..2661d8f
--- /dev/null
@@ -0,0 +1,2812 @@
+/*
+ * Broadcom Dongle Host Driver (DHD), Linux-specific network interface
+ * Basically selected code segments from usb-cdc.c and usb-rndis.c
+ *
+ * Copyright (C) 1999-2010, 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,v 1.65.4.9.2.12.2.66 2010/04/01 17:01:25 Exp $
+ */
+
+#ifdef CONFIG_WIFI_CONTROL_FUNC
+#include <linux/platform_device.h>
+#endif
+#include <typedefs.h>
+#include <linuxver.h>
+#include <osl.h>
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.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 <asm/uaccess.h>
+#include <asm/unaligned.h>
+
+#include <epivers.h>
+#include <bcmutils.h>
+#include <bcmendian.h>
+
+#include <proto/ethernet.h>
+#include <dngl_stats.h>
+#include <dhd.h>
+#include <dhd_bus.h>
+#include <dhd_proto.h>
+#include <dhd_dbg.h>
+#include <wl_iw.h>
+#ifdef CONFIG_HAS_WAKELOCK
+#include <linux/wakelock.h>
+#endif
+#include <linux/freezer.h>
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+#include <linux/wlan_plat.h>
+
+struct semaphore wifi_control_sem;
+
+struct dhd_bus *g_bus;
+
+static struct wifi_platform_data *wifi_control_data = NULL;
+static struct resource *wifi_irqres = NULL;
+
+int wifi_get_irq_number(unsigned long *irq_flags_ptr)
+{
+       if (wifi_irqres) {
+               *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK;
+               return (int)wifi_irqres->start;
+       }
+#ifdef CUSTOM_OOB_GPIO_NUM
+       return CUSTOM_OOB_GPIO_NUM;
+#else
+       return -1;
+#endif
+}
+
+int wifi_set_carddetect(int on)
+{
+       printk("%s = %d\n", __FUNCTION__, on);
+       if (wifi_control_data && wifi_control_data->set_carddetect) {
+               wifi_control_data->set_carddetect(on);
+       }
+       return 0;
+}
+
+int wifi_set_power(int on, unsigned long msec)
+{
+       printk("%s = %d\n", __FUNCTION__, on);
+       if (wifi_control_data && wifi_control_data->set_power) {
+               wifi_control_data->set_power(on);
+       }
+       if (msec)
+               mdelay(msec);
+       return 0;
+}
+
+int wifi_set_reset(int on, unsigned long msec)
+{
+       printk("%s = %d\n", __FUNCTION__, on);
+       if (wifi_control_data && wifi_control_data->set_reset) {
+               wifi_control_data->set_reset(on);
+       }
+       if (msec)
+               mdelay(msec);
+       return 0;
+}
+
+static int wifi_probe(struct platform_device *pdev)
+{
+       struct wifi_platform_data *wifi_ctrl =
+               (struct wifi_platform_data *)(pdev->dev.platform_data);
+
+       DHD_TRACE(("## %s\n", __FUNCTION__));
+       wifi_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcm4329_wlan_irq");
+       wifi_control_data = wifi_ctrl;
+
+       wifi_set_power(1, 0);   /* Power On */
+       wifi_set_carddetect(1); /* CardDetect (0->1) */
+
+       up(&wifi_control_sem);
+       return 0;
+}
+
+static int wifi_remove(struct platform_device *pdev)
+{
+       struct wifi_platform_data *wifi_ctrl =
+               (struct wifi_platform_data *)(pdev->dev.platform_data);
+
+       DHD_TRACE(("## %s\n", __FUNCTION__));
+       wifi_control_data = wifi_ctrl;
+
+       wifi_set_carddetect(0); /* CardDetect (1->0) */
+       wifi_set_power(0, 0);   /* Power Off */
+
+       up(&wifi_control_sem);
+       return 0;
+}
+static int wifi_suspend(struct platform_device *pdev, pm_message_t state)
+{
+       DHD_TRACE(("##> %s\n", __FUNCTION__));
+       return 0;
+}
+static int wifi_resume(struct platform_device *pdev)
+{
+       DHD_TRACE(("##> %s\n", __FUNCTION__));
+       return 0;
+}
+
+static struct platform_driver wifi_device = {
+       .probe          = wifi_probe,
+       .remove         = wifi_remove,
+       .suspend        = wifi_suspend,
+       .resume         = wifi_resume,
+       .driver         = {
+       .name   = "bcm4329_wlan",
+       }
+};
+
+int wifi_add_dev(void)
+{
+       DHD_TRACE(("## Calling platform_driver_register\n"));
+       return platform_driver_register(&wifi_device);
+}
+
+void wifi_del_dev(void)
+{
+       DHD_TRACE(("## Unregister platform_driver_register\n"));
+       platform_driver_unregister(&wifi_device);
+}
+#endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
+
+
+#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 /* defined(OOB_INTR_ONLY) */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
+MODULE_LICENSE("GPL v2");
+#endif /* LinuxVer */
+
+#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(CONFIG_WIRELESS_EXT)
+#include <wl_iw.h>
+#endif
+
+#if defined(CONFIG_HAS_EARLYSUSPEND)
+#include <linux/earlysuspend.h>
+#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
+
+/* 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 */
+       int                     state;                  /* interface state */
+       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 */
+} dhd_if_t;
+
+/* Local private structure (extension of pub) */
+typedef struct dhd_info {
+#if defined(CONFIG_WIRELESS_EXT)
+       wl_iw_t         iw;             /* wireless extensions state (must be first) */
+#endif
+
+       dhd_pub_t pub;
+
+       /* OS/stack specifics */
+       dhd_if_t *iflist[DHD_MAX_IFS];
+
+       struct semaphore proto_sem;
+       wait_queue_head_t ioctl_resp_wait;
+       struct timer_list timer;
+       bool wd_timer_valid;
+       struct tasklet_struct tasklet;
+       spinlock_t      sdlock;
+       spinlock_t      txqlock;
+       /* Thread based operation */
+       bool threads_only;
+       struct semaphore sdsem;
+       long watchdog_pid;
+       struct semaphore watchdog_sem;
+       struct completion watchdog_exited;
+       long dpc_pid;
+       struct semaphore dpc_sem;
+       struct completion dpc_exited;
+
+       /* Wakelocks */
+#ifdef CONFIG_HAS_WAKELOCK
+       struct wake_lock wl_wifi;   /* Wifi wakelock */
+       struct wake_lock wl_rxwake; /* Wifi rx wakelock */
+#endif
+       spinlock_t wl_lock;
+       int wl_count;
+       int wl_packet;
+
+       /* Thread to issue ioctl for multicast */
+       long sysioc_pid;
+       struct semaphore sysioc_sem;
+       struct completion sysioc_exited;
+       bool set_multicast;
+       bool set_macaddress;
+       struct ether_addr macvalue;
+       wait_queue_head_t ctrl_wait;
+       atomic_t pend_8021x_cnt;
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+       struct early_suspend early_suspend;
+#endif /* CONFIG_HAS_EARLYSUSPEND */
+} dhd_info_t;
+
+/* 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];
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
+struct semaphore dhd_registration_sem;
+#endif 
+/* load firmware and/or nvram values from the filesystem */
+module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0);
+module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0);
+
+/* Error bits */
+module_param(dhd_msg_level, int, 0);
+
+/* Spawn a thread for system ioctls (set mac, set mcast) */
+uint dhd_sysioc = TRUE;
+module_param(dhd_sysioc, uint, 0);
+
+/* Watchdog interval */
+uint dhd_watchdog_ms = 10;
+module_param(dhd_watchdog_ms, uint, 0);
+
+
+/* Watchdog thread priority, -1 to use kernel timer */
+int dhd_watchdog_prio = 97;
+module_param(dhd_watchdog_prio, int, 0);
+
+/* DPC thread priority, -1 to use tasklet */
+int dhd_dpc_prio = 98;
+module_param(dhd_dpc_prio, int, 0);
+
+/* DPC thread priority, -1 to use tasklet */
+extern int dhd_dongle_memsize;
+module_param(dhd_dongle_memsize, int, 0);
+
+/* Network inteface name */
+char iface_name[IFNAMSIZ];
+module_param_string(iface_name, iface_name, IFNAMSIZ, 0);
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
+#define DAEMONIZE(a) daemonize(a); \
+       allow_signal(SIGKILL); \
+       allow_signal(SIGTERM);
+#else /* Linux 2.4 (w/o preemption patch) */
+#define RAISE_RX_SOFTIRQ() \
+       cpu_raise_softirq(smp_processor_id(), NET_RX_SOFTIRQ)
+#define DAEMONIZE(a) daemonize(); \
+       do { if (a) \
+               strncpy(current->comm, a, MIN(sizeof(current->comm), (strlen(a) + 1))); \
+       } while (0);
+#endif /* LINUX_VERSION_CODE  */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
+#define BLOCKABLE()    (!in_atomic())
+#else
+#define BLOCKABLE()    (!in_interrupt())
+#endif
+
+/* 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 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
+
+/* Version string to report */
+#ifdef DHD_DEBUG
+#ifndef SRCBASE
+#define SRCBASE        "drivers/net/wireless/bcm4329"
+#endif
+#define DHD_COMPILED "\nCompiled in " SRCBASE
+#else
+#define DHD_COMPILED
+#endif
+
+static char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR
+#ifdef DHD_DEBUG
+"\nCompiled in " SRCBASE " on " __DATE__ " at " __TIME__
+#endif
+;
+
+
+#if defined(CONFIG_WIRELESS_EXT)
+struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev);
+#endif
+
+static void dhd_dpc(ulong data);
+/* forward decl */
+extern int dhd_wait_pend8021x(struct net_device *dev);
+
+#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,
+                             wl_event_msg_t *event_ptr, void **data_ptr);
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP)
+static int dhd_sleep_pm_callback(struct notifier_block *nfb, unsigned long action, void *ignored)
+{
+       switch (action)
+       {
+               case PM_HIBERNATION_PREPARE:
+               case PM_SUSPEND_PREPARE:
+                       dhd_mmc_suspend = TRUE;
+                       return NOTIFY_OK;
+               case PM_POST_HIBERNATION:
+               case PM_POST_SUSPEND:
+                       dhd_mmc_suspend = FALSE;
+               return NOTIFY_OK;
+       }
+       return 0;
+}
+
+static struct notifier_block dhd_sleep_pm_notifier = {
+       .notifier_call = dhd_sleep_pm_callback,
+       .priority = 0
+};
+extern int register_pm_notifier(struct notifier_block *nb);
+extern int unregister_pm_notifier(struct notifier_block *nb);
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */
+
+
+#if defined(CONFIG_HAS_EARLYSUSPEND)
+extern int dhd_set_suspend(int value, dhd_pub_t *dhd);
+
+static void dhd_early_suspend(struct early_suspend *h)
+{
+       struct dhd_info *dhdp;
+       dhdp = container_of(h, struct dhd_info, early_suspend);
+
+       DHD_TRACE(("%s: enter\n", __FUNCTION__));
+
+       dhd_set_suspend(1, &dhdp->pub);
+}
+
+static void dhd_late_resume(struct early_suspend *h)
+{
+       struct dhd_info *dhdp;
+       dhdp = container_of(h, struct dhd_info, early_suspend);
+
+       DHD_TRACE(("%s: enter\n", __FUNCTION__));
+
+       dhd_set_suspend(0, &dhdp->pub);
+}
+#endif /* defined(CONFIG_HAS_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 = 1000000 / HZ;
+}
+
+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 (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);
+               int pending;
+               init_waitqueue_head(&delay_wait);
+               add_wait_queue(&delay_wait, &wait);
+               set_current_state(TASK_INTERRUPTIBLE);
+               schedule_timeout(1);
+               pending = signal_pending(current);
+               remove_wait_queue(&delay_wait, &wait);
+               set_current_state(TASK_RUNNING);
+               if (pending)
+                       return 1;       /* Interrupted */
+       }
+
+       return 0;
+}
+
+static 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 == net))
+                       return i;
+               i++;
+       }
+
+       return DHD_BAD_IF;
+}
+
+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]->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>";
+}
+
+static void
+_dhd_set_multicast_list(dhd_info_t *dhd, int ifidx)
+{
+       struct net_device *dev;
+       struct dev_mc_list *mclist;
+       uint32 allmulti, cnt;
+
+       wl_ioctl_t ioc;
+       char *buf, *bufp;
+       uint buflen;
+       int ret;
+
+       ASSERT(dhd && dhd->iflist[ifidx]);
+       dev = dhd->iflist[ifidx]->net;
+       mclist = dev->mc_list;
+       cnt = dev->mc_count;
+
+       /* 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;
+       }
+
+       strcpy(bufp, "mcast_list");
+       bufp += strlen("mcast_list") + 1;
+
+       cnt = htol32(cnt);
+       memcpy(bufp, &cnt, sizeof(cnt));
+       bufp += sizeof(cnt);
+
+       for (cnt = 0; mclist && (cnt < dev->mc_count); cnt++, mclist = mclist->next) {
+               memcpy(bufp, (void *)mclist->dmi_addr, ETHER_ADDR_LEN);
+               bufp += ETHER_ADDR_LEN;
+       }
+
+       memset(&ioc, 0, sizeof(ioc));
+       ioc.cmd = WLC_SET_VAR;
+       ioc.buf = buf;
+       ioc.len = buflen;
+       ioc.set = TRUE;
+
+       ret = dhd_prot_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_prot_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_prot_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)));
+       }
+}
+
+static int
+_dhd_set_mac_address(dhd_info_t *dhd, int ifidx, struct ether_addr *addr)
+{
+       char buf[32];
+       wl_ioctl_t ioc;
+       int ret;
+
+       DHD_TRACE(("%s enter\n", __FUNCTION__));
+       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_prot_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);
+       }
+
+       return ret;
+}
+
+#ifdef SOFTAP
+extern struct net_device *ap_net_dev;
+#endif
+
+static void
+dhd_op_if(dhd_if_t *ifp)
+{
+       dhd_info_t      *dhd;
+       int                     ret = 0, err = 0;
+
+       ASSERT(ifp && ifp->info && ifp->idx);   /* Virtual interfaces only */
+
+       dhd = ifp->info;
+
+       DHD_TRACE(("%s: idx %d, state %d\n", __FUNCTION__, ifp->idx, ifp->state));
+
+       switch (ifp->state) {
+       case WLC_E_IF_ADD:
+               /*
+                * Delete the existing interface before overwriting it
+                * in case we missed the WLC_E_IF_DEL event.
+                */
+               if (ifp->net != NULL) {
+                       DHD_ERROR(("%s: ERROR: netdev:%s already exists, try free & unregister \n",
+                        __FUNCTION__, ifp->net->name));
+                       netif_stop_queue(ifp->net);
+                       unregister_netdev(ifp->net);
+                       free_netdev(ifp->net);
+               }
+               /* Allocate etherdev, including space for private structure */
+               if (!(ifp->net = alloc_etherdev(sizeof(dhd)))) {
+                       DHD_ERROR(("%s: OOM - alloc_etherdev\n", __FUNCTION__));
+                       ret = -ENOMEM;
+               }
+               if (ret == 0) {
+                       strcpy(ifp->net->name, ifp->name);
+                       memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd));
+                       if ((err = dhd_net_attach(&dhd->pub, ifp->idx)) != 0) {
+                               DHD_ERROR(("%s: dhd_net_attach failed, err %d\n",
+                                       __FUNCTION__, err));
+                               ret = -EOPNOTSUPP;
+                       } else {
+#ifdef SOFTAP
+                                /* semaphore that the soft AP CODE waits on */
+                               extern struct semaphore  ap_eth_sema;
+
+                               /* save ptr to wl0.1 netdev for use in wl_iw.c  */
+                               ap_net_dev = ifp->net;
+                                /* signal to the SOFTAP 'sleeper' thread, wl0.1 is ready */
+                               up(&ap_eth_sema);
+#endif
+                               DHD_TRACE(("\n ==== pid:%x, net_device for if:%s created ===\n\n",
+                                       current->pid, ifp->net->name));
+                               ifp->state = 0;
+                       }
+               }
+               break;
+       case WLC_E_IF_DEL:
+               if (ifp->net != NULL) {
+                       DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", __FUNCTION__));
+                       netif_stop_queue(ifp->net);
+                       unregister_netdev(ifp->net);
+                       ret = DHD_DEL_IF;       /* Make sure the free_netdev() is called */
+               }
+               break;
+       default:
+               DHD_ERROR(("%s: bad op %d\n", __FUNCTION__, ifp->state));
+               ASSERT(!ifp->state);
+               break;
+       }
+
+       if (ret < 0) {
+               if (ifp->net) {
+                       free_netdev(ifp->net);
+               }
+               dhd->iflist[ifp->idx] = NULL;
+               MFREE(dhd->pub.osh, ifp, sizeof(*ifp));
+#ifdef SOFTAP
+               if (ifp->net == ap_net_dev)
+                       ap_net_dev = NULL;     /* NULL SOFTAP global as well */
+#endif /*  SOFTAP */
+       }
+}
+
+static int
+_dhd_sysioc_thread(void *data)
+{
+       dhd_info_t *dhd = (dhd_info_t *)data;
+       int i;
+#ifdef SOFTAP
+       bool in_ap = FALSE;
+#endif
+
+       set_freezable();
+
+       DAEMONIZE("dhd_sysioc");
+
+       while (down_interruptible(&dhd->sysioc_sem) == 0) {
+               dhd_os_wake_lock(&dhd->pub);
+               for (i = 0; i < DHD_MAX_IFS; i++) {
+                       if (dhd->iflist[i]) {
+#ifdef SOFTAP
+                               in_ap = (ap_net_dev != NULL);
+#endif /* SOFTAP */
+                               if (dhd->iflist[i]->state)
+                                       dhd_op_if(dhd->iflist[i]);
+#ifdef SOFTAP
+                               if (dhd->iflist[i] == NULL) {
+                                       DHD_TRACE(("%s: interface %d just been removed!\n\n", __FUNCTION__, i));
+                                       continue;
+                               }
+
+                               if (in_ap && dhd->set_macaddress) {
+                                       DHD_TRACE(("attempt to set MAC for %s in AP Mode blocked.\n", dhd->iflist[i]->net->name));
+                                       dhd->set_macaddress = FALSE;
+                                       continue;
+                               }
+
+                               if (in_ap && dhd->set_multicast)  {
+                                       DHD_TRACE(("attempt to set MULTICAST list for %s in AP Mode blocked.\n", dhd->iflist[i]->net->name));
+                                       dhd->set_multicast = FALSE;
+                                       continue;
+                               }
+#endif /* SOFTAP */
+                               if (dhd->set_multicast) {
+                                       dhd->set_multicast = FALSE;
+                                       _dhd_set_multicast_list(dhd, i);
+                               }
+                               if (dhd->set_macaddress) {
+                                       dhd->set_macaddress = FALSE;
+                                       _dhd_set_mac_address(dhd, i, &dhd->macvalue);
+                               }
+                       }
+               }
+               dhd_os_wake_unlock(&dhd->pub);
+       }
+       complete_and_exit(&dhd->sysioc_exited, 0);
+}
+
+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;
+
+       ifidx = dhd_net2idx(dhd, dev);
+       if (ifidx == DHD_BAD_IF)
+               return -1;
+
+       ASSERT(dhd->sysioc_pid >= 0);
+       memcpy(&dhd->macvalue, sa->sa_data, ETHER_ADDR_LEN);
+       dhd->set_macaddress = TRUE;
+       up(&dhd->sysioc_sem);
+
+       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;
+
+       ASSERT(dhd->sysioc_pid >= 0);
+       dhd->set_multicast = TRUE;
+       up(&dhd->sysioc_sem);
+}
+
+int
+dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf)
+{
+       int ret;
+       dhd_info_t *dhd = (dhd_info_t *)(dhdp->info);
+
+       /* Reject if down */
+       if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) {
+               return -ENODEV;
+       }
+
+       /* Update multicast statistic */
+       if (PKTLEN(dhdp->osh, pktbuf) >= ETHER_ADDR_LEN) {
+               uint8 *pktdata = (uint8 *)PKTDATA(dhdp->osh, pktbuf);
+               struct ether_header *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);
+       }
+
+       /* Look into the packet and update the packet priority */
+       if ((PKTPRIO(pktbuf) == 0))
+               pktsetprio(pktbuf, FALSE);
+
+       /* If the protocol uses a data header, apply it */
+       dhd_prot_hdrpush(dhdp, ifidx, pktbuf);
+
+       /* Use bus module to send data frame */
+#ifdef BCMDBUS
+       ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */);
+#else
+       ret = dhd_bus_txdata(dhdp->bus, pktbuf);
+#endif /* BCMDBUS */
+
+       return ret;
+}
+
+static int
+dhd_start_xmit(struct sk_buff *skb, struct net_device *net)
+{
+       int ret;
+       void *pktbuf;
+       dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
+       int ifidx;
+
+       DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+       /* Reject if down */
+       if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) {
+               DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n",
+                        __FUNCTION__, dhd->pub.up, dhd->pub.busstate));
+               netif_stop_queue(net);
+               return -ENODEV;
+       }
+
+       ifidx = dhd_net2idx(dhd, net);
+       if (ifidx == DHD_BAD_IF) {
+               DHD_ERROR(("%s: bad ifidx %d\n", __FUNCTION__, ifidx));
+               netif_stop_queue(net);
+               return -ENODEV;
+       }
+
+       /* Make sure there's enough room for any header */
+       if (skb_headroom(skb) < dhd->pub.hdrlen) {
+               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);
+               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;
+       }
+
+       ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf);
+
+
+done:
+       if (ret)
+               dhd->pub.dstats.tx_dropped++;
+       else
+               dhd->pub.tx_packets++;
+
+       /* Return ok: we always eat the packet */
+       return 0;
+}
+
+void
+dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state)
+{
+       struct net_device *net;
+       dhd_info_t *dhd = dhdp->info;
+
+       DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+       dhdp->txoff = state;
+       ASSERT(dhd && dhd->iflist[ifidx]);
+       net = dhd->iflist[ifidx]->net;
+       if (state == ON)
+               netif_stop_queue(net);
+       else
+               netif_wake_queue(net);
+}
+
+void
+dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *pktbuf, int numpkt)
+{
+       dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
+       struct sk_buff *skb;
+       uchar *eth;
+       uint len;
+       void * data, *pnext, *save_pktbuf;
+       int i;
+       dhd_if_t *ifp;
+       wl_event_msg_t event;
+
+       DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+       save_pktbuf = pktbuf;
+
+       for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) {
+
+               pnext = PKTNEXT(dhdp->osh, pktbuf);
+               PKTSETNEXT(wl->sh.osh, pktbuf, NULL);
+
+
+               skb = PKTTONATIVE(dhdp->osh, pktbuf);
+
+               /* 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;
+
+               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);
+
+               if (skb->pkt_type == PACKET_MULTICAST) {
+                       dhd->pub.rx_multicast++;
+               }
+
+               skb->data = eth;
+               skb->len = len;
+
+               /* Strip header, count, deliver upward */
+               skb_pull(skb, ETH_HLEN);
+
+               /* Process special event packets and then discard them */
+               if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM)
+                       dhd_wl_host_event(dhd, &ifidx,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24)
+                       skb->mac_header,
+#else
+                       skb->mac.raw,
+#endif
+                       &event,
+                       &data);
+
+               ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]);
+               if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state)
+                       ifp = dhd->iflist[ifidx];
+
+               if (ifp->net)
+                       ifp->net->last_rx = jiffies;
+
+               dhdp->dstats.rx_bytes += skb->len;
+               dhdp->rx_packets++; /* Local count */
+
+               if (in_interrupt()) {
+                       netif_rx(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) */
+               }
+       }
+       dhd_os_wake_lock_timeout_enable(dhdp);
+}
+
+void
+dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx)
+{
+       /* Linux version has nothing to do */
+       return;
+}
+
+void
+dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success)
+{
+       uint ifidx;
+       dhd_info_t *dhd = (dhd_info_t *)(dhdp->info);
+       struct ether_header *eh;
+       uint16 type;
+
+       dhd_prot_hdrpull(dhdp, &ifidx, txp);
+
+       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);
+
+}
+
+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)
+               return NULL;
+
+       ifp = dhd->iflist[ifidx];
+       ASSERT(dhd && ifp);
+
+       if (dhd->pub.up) {
+               /* Use the protocol to get dongle stats */
+               dhd_prot_dstats(&dhd->pub);
+       }
+
+       /* Copy dongle stats to net device stats */
+       ifp->stats.rx_packets = dhd->pub.dstats.rx_packets;
+       ifp->stats.tx_packets = dhd->pub.dstats.tx_packets;
+       ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes;
+       ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes;
+       ifp->stats.rx_errors = dhd->pub.dstats.rx_errors;
+       ifp->stats.tx_errors = dhd->pub.dstats.tx_errors;
+       ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped;
+       ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped;
+       ifp->stats.multicast = dhd->pub.dstats.multicast;
+
+       return &ifp->stats;
+}
+
+static int
+dhd_watchdog_thread(void *data)
+{
+       dhd_info_t *dhd = (dhd_info_t *)data;
+
+       /* This thread doesn't need any user-level access,
+        * so get rid of all our resources
+        */
+#ifdef DHD_SCHED
+       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);
+       }
+#endif /* DHD_SCHED */
+
+       set_freezable();
+
+       DAEMONIZE("dhd_watchdog");
+
+       /* Run until signal received */
+       while (1) {
+               if (down_interruptible (&dhd->watchdog_sem) == 0) {
+                       dhd_os_wake_lock(&dhd->pub);
+                       /* Call the bus module watchdog */
+                       dhd_bus_watchdog(&dhd->pub);
+
+                       /* Count the tick for reference */
+                       dhd->pub.tickcnt++;
+
+                       /* Reschedule the watchdog */
+                       if (dhd->wd_timer_valid) {
+                               mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000);
+                       }
+                       dhd_os_wake_unlock(&dhd->pub);
+               }
+               else
+                       break;
+       }
+
+       complete_and_exit(&dhd->watchdog_exited, 0);
+}
+
+static void
+dhd_watchdog(ulong data)
+{
+       dhd_info_t *dhd = (dhd_info_t *)data;
+
+       if (dhd->watchdog_pid >= 0) {
+               up(&dhd->watchdog_sem);
+               return;
+       }
+
+       /* Call the bus module watchdog */
+       dhd_bus_watchdog(&dhd->pub);
+
+       /* Count the tick for reference */
+       dhd->pub.tickcnt++;
+
+       /* Reschedule the watchdog */
+#if defined(CONTINUOUS_WATCHDOG)
+       mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000);
+#else
+       if (dhd->wd_timer_valid)
+               mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000);
+#endif /* defined(CONTINUOUS_WATCHDOG) */
+}
+
+static int
+dhd_dpc_thread(void *data)
+{
+       dhd_info_t *dhd = (dhd_info_t *)data;
+
+       /* This thread doesn't need any user-level access,
+        * so get rid of all our resources
+        */
+#ifdef DHD_SCHED
+       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);
+       }
+#endif /* DHD_SCHED */
+
+       set_freezable();
+
+       DAEMONIZE("dhd_dpc");
+
+       /* Run until signal received */
+       while (1) {
+               if (down_interruptible(&dhd->dpc_sem) == 0) {
+                       /* Call bus dpc unless it indicated down (then clean stop) */
+                       if (dhd->pub.busstate != DHD_BUS_DOWN) {
+                               if (dhd_bus_dpc(dhd->pub.bus)) {
+                                       up(&dhd->dpc_sem);
+                               }
+                               else {
+                                       dhd_os_wake_unlock(&dhd->pub);
+                               }
+                       } else {
+                               dhd_bus_stop(dhd->pub.bus, TRUE);
+                               dhd_os_wake_unlock(&dhd->pub);
+                       }
+               }
+               else
+                       break;
+       }
+
+       complete_and_exit(&dhd->dpc_exited, 0);
+}
+
+static void
+dhd_dpc(ulong data)
+{
+       dhd_info_t *dhd;
+
+       dhd = (dhd_info_t *)data;
+
+       /* 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_bus_stop(dhd->pub.bus, TRUE);
+       }
+}
+
+void
+dhd_sched_dpc(dhd_pub_t *dhdp)
+{
+       dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
+
+       dhd_os_wake_lock(dhdp);
+       if (dhd->dpc_pid >= 0) {
+               up(&dhd->dpc_sem);
+               return;
+       }
+
+       tasklet_schedule(&dhd->tasklet);
+}
+
+#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;
+
+       strcpy(buf, "toe_ol");
+       if ((ret = dhd_prot_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 */
+
+       strcpy(buf, "toe_ol");
+       memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(uint32));
+
+       if ((ret = dhd_prot_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_prot_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);
+
+       sprintf(info->driver, "wl");
+       sprintf(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) {
+                       sprintf(info.driver, "dhd");
+                       strcpy(info.version, EPI_VERSION_STR);
+               }
+
+               /* 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)
+                       sprintf(info.driver, "wl");
+               else
+                       sprintf(info.driver, "xx");
+
+               sprintf(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 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 buflen = 0;
+       void *buf = NULL;
+       uint driver = 0;
+       int ifidx;
+       bool is_set_key_cmd;
+
+       ifidx = dhd_net2idx(dhd, net);
+       DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __FUNCTION__, ifidx, cmd));
+
+       if (ifidx == DHD_BAD_IF)
+               return -1;
+
+#if defined(CONFIG_WIRELESS_EXT)
+       /* linux wireless extensions */
+       if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) {
+               /* may recurse, do NOT lock */
+               return wl_iw_ioctl(net, ifr, cmd);
+       }
+#endif
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2)
+       if (cmd == SIOCETHTOOL)
+               return (dhd_ethtool(dhd, (void*)ifr->ifr_data));
+#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */
+
+       if (cmd != SIOCDEVPRIVATE)
+               return -EOPNOTSUPP;
+
+       memset(&ioc, 0, sizeof(ioc));
+
+       /* 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;
+       }
+
+       /* Copy out any buffer passed */
+       if (ioc.buf) {
+               buflen = MIN(ioc.len, DHD_IOCTL_MAXLEN);
+               /* optimization for direct ioctl calls from kernel */
+               /*
+               if (segment_eq(get_fs(), KERNEL_DS)) {
+                       buf = ioc.buf;
+               } else {
+               */
+               {
+                       if (!(buf = (char*)MALLOC(dhd->pub.osh, buflen))) {
+                               bcmerror = -BCME_NOMEM;
+                               goto done;
+                       }
+                       if (copy_from_user(buf, ioc.buf, buflen)) {
+                               bcmerror = -BCME_BADADDR;
+                               goto done;
+                       }
+               }
+       }
+
+       /* To differentiate between wl and dhd read 4 more byes */
+       if ((copy_from_user(&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;
+       }
+
+       /* check for local dhd ioctl and handle it */
+       if (driver == DHD_IOCTL_MAGIC) {
+               bcmerror = dhd_ioctl((void *)&dhd->pub, &ioc, buf, buflen);
+               if (bcmerror)
+                       dhd->pub.bcmerror = bcmerror;
+               goto done;
+       }
+
+       /* send to dongle (must be up, and wl) */
+       if (dhd->pub.busstate != DHD_BUS_DATA) {
+               DHD_ERROR(("%s DONGLE_DOWN\n", __FUNCTION__));
+               bcmerror = BCME_DONGLE_DOWN;
+               goto done;
+       }
+
+       if (!dhd->pub.iswl) {
+               bcmerror = BCME_DONGLE_DOWN;
+               goto done;
+       }
+
+       /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to
+        * prevent M4 encryption.
+        */
+       is_set_key_cmd = ((ioc.cmd == WLC_SET_KEY) ||
+                        ((ioc.cmd == WLC_SET_VAR) &&
+                               !(strncmp("wsec_key", ioc.buf, 9))) ||
+                        ((ioc.cmd == WLC_SET_VAR) &&
+                               !(strncmp("bsscfg:wsec_key", ioc.buf, 15))));
+       if (is_set_key_cmd) {
+               dhd_wait_pend8021x(net);
+       }
+
+       bcmerror = dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen);
+
+done:
+       if (!bcmerror && buf && ioc.buf) {
+               if (copy_to_user(ioc.buf, buf, buflen))
+                       bcmerror = -EFAULT;
+       }
+
+       if (buf)
+               MFREE(dhd->pub.osh, buf, buflen);
+
+       return OSL_ERROR(bcmerror);
+}
+
+static int
+dhd_stop(struct net_device *net)
+{
+#if !defined(IGNORE_ETH0_DOWN)
+       dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net);
+
+       DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+       if (dhd->pub.up == 0) {
+               return 0;
+       }
+
+       /* Set state and stop OS transmissions */
+       dhd->pub.up = 0;
+       netif_stop_queue(net);
+#else
+       DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation ...\n", __FUNCTION__));
+#endif /* !defined(IGNORE_ETH0_DOWN) */
+
+       OLD_MOD_DEC_USE_COUNT;
+       return 0;
+}
+
+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;
+
+       wl_control_wl_start(net);  /* start if needed */
+
+       ifidx = dhd_net2idx(dhd, net);
+       DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx));
+
+       /* ASSERT(ifidx == 0); */
+
+       if (ifidx == 0) { /* do it only for primary eth0 */
+
+               atomic_set(&dhd->pend_8021x_cnt, 0);
+
+       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
+       }
+       /* Allow transmit calls */
+       netif_start_queue(net);
+       dhd->pub.up = 1;
+
+       OLD_MOD_INC_USE_COUNT;
+       return 0;
+}
+
+osl_t *
+dhd_osl_attach(void *pdev, uint bustype)
+{
+       return osl_attach(pdev, bustype, TRUE);
+}
+
+void
+dhd_osl_detach(osl_t *osh)
+{
+       if (MALLOCED(osh)) {
+               DHD_ERROR(("%s: MEMORY LEAK %d bytes\n", __FUNCTION__, MALLOCED(osh)));
+       }
+       osl_detach(osh);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && 1
+       up(&dhd_registration_sem);
+#endif 
+}
+
+int
+dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name,
+       uint8 *mac_addr, uint32 flags, uint8 bssidx)
+{
+       dhd_if_t *ifp;
+
+       DHD_TRACE(("%s: idx %d, handle->%p\n", __FUNCTION__, ifidx, handle));
+
+       ASSERT(dhd && (ifidx < DHD_MAX_IFS));
+
+       ifp = dhd->iflist[ifidx];
+       if (!ifp && !(ifp = MALLOC(dhd->pub.osh, sizeof(dhd_if_t)))) {
+               DHD_ERROR(("%s: OOM - dhd_if_t\n", __FUNCTION__));
+               return -ENOMEM;
+       }
+
+       memset(ifp, 0, sizeof(dhd_if_t));
+       ifp->info = dhd;
+       dhd->iflist[ifidx] = ifp;
+       strncpy(ifp->name, name, IFNAMSIZ);
+       ifp->name[IFNAMSIZ] = '\0';
+       if (mac_addr != NULL)
+               memcpy(&ifp->mac_addr, mac_addr, ETHER_ADDR_LEN);
+
+       if (handle == NULL) {
+               ifp->state = WLC_E_IF_ADD;
+               ifp->idx = ifidx;
+               ASSERT(dhd->sysioc_pid >= 0);
+               up(&dhd->sysioc_sem);
+       } else
+               ifp->net = (struct net_device *)handle;
+
+       return 0;
+}
+
+void
+dhd_del_if(dhd_info_t *dhd, int ifidx)
+{
+       dhd_if_t *ifp;
+
+       DHD_TRACE(("%s: idx %d\n", __FUNCTION__, ifidx));
+
+       ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS));
+       ifp = dhd->iflist[ifidx];
+       if (!ifp) {
+               DHD_ERROR(("%s: Null interface\n", __FUNCTION__));
+               return;
+       }
+
+       ifp->state = WLC_E_IF_DEL;
+       ifp->idx = ifidx;
+       ASSERT(dhd->sysioc_pid >= 0);
+       up(&dhd->sysioc_sem);
+}
+
+dhd_pub_t *
+dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen)
+{
+       dhd_info_t *dhd = NULL;
+       struct net_device *net;
+
+       DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+       /* updates firmware nvram path if it was provided as module paramters */
+       if ((firmware_path != NULL) && (firmware_path[0] != '\0'))
+               strcpy(fw_path, firmware_path);
+       if ((nvram_path != NULL) && (nvram_path[0] != '\0'))
+               strcpy(nv_path, nvram_path);
+
+       /* Allocate etherdev, including space for private structure */
+       if (!(net = alloc_etherdev(sizeof(dhd)))) {
+               DHD_ERROR(("%s: OOM - alloc_etherdev\n", __FUNCTION__));
+               goto fail;
+       }
+
+       /* Allocate primary dhd_info */
+       if (!(dhd = MALLOC(osh, sizeof(dhd_info_t)))) {
+               DHD_ERROR(("%s: OOM - alloc dhd_info\n", __FUNCTION__));
+               goto fail;
+       }
+
+       memset(dhd, 0, sizeof(dhd_info_t));
+
+       /*
+        * Save the dhd_info into the priv
+        */
+       memcpy(netdev_priv(net), &dhd, sizeof(dhd));
+       dhd->pub.osh = osh;
+
+       /* Set network interface name if it was provided as module parameter */
+       if (iface_name[0]) {
+               int len;
+               char ch;
+               strncpy(net->name, iface_name, IFNAMSIZ);
+               net->name[IFNAMSIZ - 1] = 0;
+               len = strlen(net->name);
+               ch = net->name[len - 1];
+               if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2))
+                       strcat(net->name, "%d");
+       }
+
+       if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == DHD_BAD_IF)
+               goto fail;
+
+#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31))
+       net->open = NULL;
+#else
+       net->netdev_ops = NULL;
+#endif
+
+       init_MUTEX(&dhd->proto_sem);
+       /* 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);
+
+       /* Initialize Wakelock stuff */
+       spin_lock_init(&dhd->wl_lock);
+       dhd->wl_count = 0;
+       dhd->wl_packet = 0;
+#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");
+#endif
+
+       /* Link to info module */
+       dhd->pub.info = dhd;
+
+       /* Link to bus module */
+       dhd->pub.bus = bus;
+       dhd->pub.hdrlen = bus_hdrlen;
+
+       /* Attach and link in the protocol */
+       if (dhd_prot_attach(&dhd->pub) != 0) {
+               DHD_ERROR(("dhd_prot_attach failed\n"));
+               goto fail;
+       }
+#if defined(CONFIG_WIRELESS_EXT)
+       /* Attach and link in the iw */
+       if (wl_iw_attach(net, (void *)&dhd->pub) != 0) {
+               DHD_ERROR(("wl_iw_attach failed\n"));
+               goto fail;
+       }
+#endif
+
+       /* Set up the watchdog timer */
+       init_timer(&dhd->timer);
+       dhd->timer.data = (ulong)dhd;
+       dhd->timer.function = dhd_watchdog;
+
+       /* Initialize thread based operation and lock */
+       init_MUTEX(&dhd->sdsem);
+       if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0)) {
+               dhd->threads_only = TRUE;
+       }
+       else {
+               dhd->threads_only = FALSE;
+       }
+
+       if (dhd_dpc_prio >= 0) {
+               /* Initialize watchdog thread */
+               sema_init(&dhd->watchdog_sem, 0);
+               init_completion(&dhd->watchdog_exited);
+               dhd->watchdog_pid = kernel_thread(dhd_watchdog_thread, dhd, 0);
+       } else {
+               dhd->watchdog_pid = -1;
+       }
+
+       /* Set up the bottom half handler */
+       if (dhd_dpc_prio >= 0) {
+               /* Initialize DPC thread */
+               sema_init(&dhd->dpc_sem, 0);
+               init_completion(&dhd->dpc_exited);
+               dhd->dpc_pid = kernel_thread(dhd_dpc_thread, dhd, 0);
+       } else {
+               tasklet_init(&dhd->tasklet, dhd_dpc, (ulong)dhd);
+               dhd->dpc_pid = -1;
+       }
+
+       if (dhd_sysioc) {
+               sema_init(&dhd->sysioc_sem, 0);
+               init_completion(&dhd->sysioc_exited);
+               dhd->sysioc_pid = kernel_thread(_dhd_sysioc_thread, dhd, 0);
+       } else {
+               dhd->sysioc_pid = -1;
+       }
+
+       /*
+        * Save the dhd_info into the priv
+        */
+       memcpy(netdev_priv(net), &dhd, sizeof(dhd));
+
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+       g_bus = bus;
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP)
+       register_pm_notifier(&dhd_sleep_pm_notifier);
+#endif /*  (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */
+
+#ifdef CONFIG_HAS_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);
+#endif
+
+       return &dhd->pub;
+
+fail:
+       if (net)
+               free_netdev(net);
+       if (dhd)
+               dhd_detach(&dhd->pub);
+
+       return NULL;
+}
+
+
+int
+dhd_bus_start(dhd_pub_t *dhdp)
+{
+       int ret = -1;
+       dhd_info_t *dhd = (dhd_info_t*)dhdp->info;
+
+       ASSERT(dhd);
+
+       DHD_TRACE(("%s: \n", __FUNCTION__));
+
+       /* try to download image and nvram to the dongle */
+       if  (dhd->pub.busstate == DHD_BUS_DOWN) {
+               if (!(dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh,
+                                               fw_path, nv_path))) {
+                       DHD_ERROR(("%s: dhdsdio_probe_download failed. firmware = %s nvram = %s\n",
+                                  __FUNCTION__, fw_path, nv_path));
+                       return -1;
+               }
+       }
+
+       /* 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, TRUE)) != 0) {
+               DHD_ERROR(("%s, dhd_bus_init failed %d\n", __FUNCTION__, ret));
+               return ret;
+       }
+#if defined(OOB_INTR_ONLY)
+       /* Host registration for OOB interrupt */
+       if (bcmsdh_register_oob_intr(dhdp)) {
+               del_timer_sync(&dhd->timer);
+               dhd->wd_timer_valid = FALSE;
+               DHD_ERROR(("%s Host failed to resgister for OOB\n", __FUNCTION__));
+               return -ENODEV;
+       }
+
+       /* Enable oob at firmware */
+       dhd_enable_oob_intr(dhd->pub.bus, TRUE);
+#endif /* defined(OOB_INTR_ONLY) */
+
+       /* If bus is not ready, can't come up */
+       if (dhd->pub.busstate != DHD_BUS_DATA) {
+               del_timer_sync(&dhd->timer);
+               dhd->wd_timer_valid = FALSE;
+               DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__));
+               return -ENODEV;
+       }
+
+       /* Bus is ready, do any protocol initialization */
+       if ((ret = dhd_prot_init(&dhd->pub)) < 0)
+               return ret;
+
+       return 0;
+}
+
+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_prot_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len);
+       if (!set && ret >= 0)
+               memcpy(cmd_buf, buf, cmd_len);
+
+       return ret;
+}
+
+#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,
+       .ndo_set_multicast_list = dhd_set_multicast_list,
+};
+
+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,
+       .ndo_set_multicast_list = dhd_set_multicast_list,
+};
+#endif
+
+int
+dhd_net_attach(dhd_pub_t *dhdp, int ifidx)
+{
+       dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
+       struct net_device *net;
+       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);
+#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
+
+#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
+
+       /*
+        * We have to use the primary MAC for virtual interfaces
+        */
+       if (ifidx != 0) {
+               /* for virtual interfaces use the primary MAC  */
+               memcpy(temp_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN);
+       }
+
+       if (ifidx == 1) {
+               DHD_TRACE(("%s ACCESS POINT MAC: \n", __FUNCTION__));
+               /*  ACCESSPOINT INTERFACE CASE */
+               temp_addr[0] |= 0x02;  /* set bit 2 , - Locally Administered address  */
+       }
+       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) */
+
+#ifdef CONFIG_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 /* CONFIG_WIRELESS_EXT */
+
+       dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen;
+
+       memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN);
+
+       if (register_netdev(net) != 0) {
+               DHD_ERROR(("%s: couldn't register the net device\n", __FUNCTION__));
+               goto fail;
+       }
+
+       printf("%s: Broadcom Dongle Host Driver mac=%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", net->name,
+              dhd->pub.mac.octet[0], dhd->pub.mac.octet[1], dhd->pub.mac.octet[2],
+              dhd->pub.mac.octet[3], dhd->pub.mac.octet[4], dhd->pub.mac.octet[5]);
+#ifdef SOFTAP
+       if (ifidx == 0)
+               /* Don't call for SOFTAP Interface in SOFTAP MODE */
+               wl_iw_iscan_set_scan_broadcast_prep(net, 1);
+#else
+               wl_iw_iscan_set_scan_broadcast_prep(net, 1);
+#endif /* SOFTAP */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
+       up(&dhd_registration_sem);
+#endif 
+       return 0;
+
+fail:
+#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31))
+       net->open = NULL;
+#else
+       net->netdev_ops = NULL;
+#endif
+       return BCME_ERROR;
+}
+
+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) {
+                       /* 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)
+                       bcmsdh_unregister_oob_intr();
+#endif /* defined(OOB_INTR_ONLY) */
+
+                       /* Clear the watchdog timer */
+                       del_timer_sync(&dhd->timer);
+                       dhd->wd_timer_valid = FALSE;
+               }
+       }
+}
+
+void
+dhd_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) {
+                       dhd_if_t *ifp;
+                       int i;
+
+#if defined(CONFIG_HAS_EARLYSUSPEND)
+                       unregister_early_suspend(&dhd->early_suspend);
+#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
+#if defined(CONFIG_WIRELESS_EXT)
+                       /* Attach and link in the iw */
+                       wl_iw_detach();
+#endif
+
+                       for (i = 1; i < DHD_MAX_IFS; i++)
+                               if (dhd->iflist[i])
+                                       dhd_del_if(dhd, i);
+
+                       if (dhd->sysioc_pid >= 0) {
+                               KILL_PROC(dhd->sysioc_pid, SIGTERM);
+                               wait_for_completion(&dhd->sysioc_exited);
+                       }
+
+                       ifp = dhd->iflist[0];
+                       ASSERT(ifp);
+#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31))
+                       if (ifp->net->open) {
+#else
+                       if (ifp->net->netdev_ops == &dhd_ops_pri) {
+#endif
+                               dhd_stop(ifp->net);
+                               unregister_netdev(ifp->net);
+                       }
+
+                       if (dhd->watchdog_pid >= 0)
+                       {
+                               KILL_PROC(dhd->watchdog_pid, SIGTERM);
+                               wait_for_completion(&dhd->watchdog_exited);
+                       }
+
+                       if (dhd->dpc_pid >= 0)
+                       {
+                               KILL_PROC(dhd->dpc_pid, SIGTERM);
+                               wait_for_completion(&dhd->dpc_exited);
+                       }
+                       else
+                               tasklet_kill(&dhd->tasklet);
+
+                       dhd_bus_detach(dhdp);
+
+                       if (dhdp->prot)
+                               dhd_prot_detach(dhdp);
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP)
+                       unregister_pm_notifier(&dhd_sleep_pm_notifier);
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */
+                       free_netdev(ifp->net);
+#ifdef CONFIG_HAS_WAKELOCK
+                       wake_lock_destroy(&dhd->wl_wifi);
+                       wake_lock_destroy(&dhd->wl_rxwake);
+#endif
+                       MFREE(dhd->pub.osh, ifp, sizeof(*ifp));
+                       MFREE(dhd->pub.osh, dhd, sizeof(*dhd));
+               }
+       }
+}
+
+static int __init
+dhd_module_init(void)
+{
+       int error;
+
+       DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+       /* Sanity check on the module parameters */
+       do {
+               /* Both watchdog and DPC as tasklets are ok */
+               if ((dhd_watchdog_prio < 0) && (dhd_dpc_prio < 0))
+                       break;
+
+               /* If both watchdog and DPC are threads, TX must be deferred */
+               if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0) && dhd_deferred_tx)
+                       break;
+
+               DHD_ERROR(("Invalid module parameters.\n"));
+               return -EINVAL;
+       } while (0);
+
+       /* Call customer gpio to turn on power with WL_REG_ON signal */
+       dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON);
+
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+       sema_init(&wifi_control_sem, 0);
+
+       error = wifi_add_dev();
+       if (error) {
+               DHD_ERROR(("%s: platform_driver_register failed\n", __FUNCTION__));
+               goto fail_0;
+       }
+
+       /* Waiting callback after platform_driver_register is done or exit with error */
+       if (down_timeout(&wifi_control_sem,  msecs_to_jiffies(5000)) != 0) {
+               error = -EINVAL;
+               DHD_ERROR(("%s: platform_driver_register timeout\n", __FUNCTION__));
+               goto fail_1;
+       }
+#endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
+       sema_init(&dhd_registration_sem, 0);
+#endif 
+
+       error = dhd_bus_register();
+
+       if (!error)
+               printf("\n%s\n", dhd_version);
+       else {
+               DHD_ERROR(("%s: sdio_register_driver failed\n", __FUNCTION__));
+               goto fail_1;
+       }
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
+       /*
+        * Wait till MMC sdio_register_driver callback called and made driver attach.
+        * It's needed to make sync up exit from dhd insmod  and
+        * Kernel MMC sdio device callback registration
+        */
+       if (down_timeout(&dhd_registration_sem,  msecs_to_jiffies(10000)) != 0) {
+               error = -EINVAL;
+               DHD_ERROR(("%s: sdio_register_driver timeout\n", __FUNCTION__));
+               goto fail_2;
+       }
+#endif
+       return error;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
+fail_2:
+       dhd_bus_unregister();
+#endif
+fail_1:
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+       wifi_del_dev();
+fail_0:
+#endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
+
+       /* Call customer gpio to turn off power with WL_REG_ON signal */
+       dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF);
+
+       return error;
+}
+
+static void __exit
+dhd_module_cleanup(void)
+{
+       DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+       dhd_bus_unregister();
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+       wifi_del_dev();
+#endif
+       /* Call customer gpio to turn off power with WL_REG_ON signal */
+       dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF);
+}
+
+
+module_init(dhd_module_init);
+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);
+       DECLARE_WAITQUEUE(wait, current);
+       int timeout = dhd_ioctl_timeout_msec;
+
+       /* Convert timeout in millsecond to jiffies */
+       timeout = timeout * HZ / 1000;
+
+       /* Wait until control frame is available */
+       add_wait_queue(&dhd->ioctl_resp_wait, &wait);
+       set_current_state(TASK_INTERRUPTIBLE);
+
+       while (!(*condition) && (!signal_pending(current) && timeout))
+               timeout = schedule_timeout(timeout);
+
+       if (signal_pending(current))
+               *pending = TRUE;
+
+       set_current_state(TASK_RUNNING);
+       remove_wait_queue(&dhd->ioctl_resp_wait, &wait);
+
+       return timeout;
+}
+
+int
+dhd_os_ioctl_resp_wake(dhd_pub_t *pub)
+{
+       dhd_info_t *dhd = (dhd_info_t *)(pub->info);
+
+       if (waitqueue_active(&dhd->ioctl_resp_wait)) {
+               wake_up_interruptible(&dhd->ioctl_resp_wait);
+       }
+
+       return 0;
+}
+
+void
+dhd_os_wd_timer(void *bus, uint wdtick)
+{
+       dhd_pub_t *pub = bus;
+       dhd_info_t *dhd = (dhd_info_t *)pub->info;
+       static uint save_dhd_watchdog_ms = 0;
+
+       if (pub->busstate == DHD_BUS_DOWN) {
+               return;
+       }
+
+       /* Totally stop the timer */
+       if (!wdtick && dhd->wd_timer_valid == TRUE) {
+               del_timer_sync(&dhd->timer);
+               dhd->wd_timer_valid = FALSE;
+               save_dhd_watchdog_ms = wdtick;
+               return;
+       }
+
+       if (wdtick) {
+               dhd_watchdog_ms = (uint)wdtick;
+
+               /* Re arm the timer, at last watchdog period */
+               mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000);
+
+               dhd->wd_timer_valid = TRUE;
+               save_dhd_watchdog_ms = wdtick;
+       }
+}
+
+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->threads_only)
+               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->threads_only)
+               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);
+}
+
+#ifdef DHD_USE_STATIC_BUF
+void * dhd_os_prealloc(int section, unsigned long size)
+{
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+       void *alloc_ptr = NULL;
+       if (wifi_control_data && wifi_control_data->mem_prealloc)
+       {
+               alloc_ptr = wifi_control_data->mem_prealloc(section, size);
+               if (alloc_ptr)
+               {
+                       DHD_INFO(("success alloc section %d\n", section));
+                       bzero(alloc_ptr, size);
+                       return alloc_ptr;
+               }
+       }
+
+       DHD_ERROR(("can't alloc section %d\n", section));
+       return 0;
+#else
+return MALLOC(0, size);
+#endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
+}
+#endif /* DHD_USE_STATIC_BUF */
+#if defined(CONFIG_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);
+
+       res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats);
+
+       if (res == 0)
+               return &dhd->iw.wstats;
+       else
+               return NULL;
+}
+#endif
+
+static int
+dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata,
+       wl_event_msg_t *event, void **data)
+{
+       int bcmerror = 0;
+
+       ASSERT(dhd != NULL);
+
+       bcmerror = wl_host_event(dhd, ifidx, pktdata, event, data);
+       if (bcmerror != BCME_OK)
+               return (bcmerror);
+
+#if defined(CONFIG_WIRELESS_EXT)
+       ASSERT(dhd->iflist[*ifidx] != NULL);
+
+       wl_iw_event(dhd->iflist[*ifidx]->net, event, *data);
+#endif
+
+       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;
+       }
+}
+
+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;
+       dhd_os_sdunlock(dhd);
+       wait_event_interruptible_timeout(dhdinfo->ctrl_wait, (*lockvar == FALSE), HZ * 2);
+       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_interruptible(&dhdinfo->ctrl_wait);
+#endif
+       return;
+}
+
+int
+dhd_dev_reset(struct net_device *dev, uint8 flag)
+{
+       dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+       /* Turning off watchdog */
+       if (flag)
+               dhd_os_wd_timer(&dhd->pub, 0);
+
+       dhd_bus_devreset(&dhd->pub, flag);
+
+       /* Turning on watchdog back */
+       if (!flag)
+               dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms);
+
+       DHD_ERROR(("%s:  WLAN OFF DONE\n", __FUNCTION__));
+
+       return 1;
+}
+
+void
+dhd_dev_init_ioctl(struct net_device *dev)
+{
+       dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+       dhd_preinit_ioctls(&dhd->pub);
+}
+
+static int
+dhd_get_pend_8021x_cnt(dhd_info_t *dhd)
+{
+       return (atomic_read(&dhd->pend_8021x_cnt));
+}
+
+#define MAX_WAIT_FOR_8021X_TX  10
+
+int
+dhd_wait_pend8021x(struct net_device *dev)
+{
+       dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+       int timeout = 10 * HZ / 1000;
+       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);
+       }
+       return pend;
+}
+
+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->wl_lock, flags);
+               ret = dhd->wl_packet;
+#ifdef CONFIG_HAS_WAKELOCK
+               if (dhd->wl_packet)
+                       wake_lock_timeout(&dhd->wl_rxwake, HZ);
+#endif
+               dhd->wl_packet = 0;
+               spin_unlock_irqrestore(&dhd->wl_lock, flags);
+       }
+       /* printk("%s: %d\n", __FUNCTION__, ret); */
+       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_timeout_enable(dhd_pub_t *pub)
+{
+       dhd_info_t *dhd = (dhd_info_t *)(pub->info);
+       unsigned long flags;
+
+       if (dhd) {
+               spin_lock_irqsave(&dhd->wl_lock, flags);
+               dhd->wl_packet = 1;
+               spin_unlock_irqrestore(&dhd->wl_lock, flags);
+       }
+       /* printk("%s\n",__func__); */
+       return 0;
+}
+
+int net_os_wake_lock_timeout_enable(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_enable(&dhd->pub);
+       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->wl_lock, flags);
+#ifdef CONFIG_HAS_WAKELOCK
+               if (!dhd->wl_count)
+                       wake_lock(&dhd->wl_wifi);
+#endif
+               dhd->wl_count++;
+               ret = dhd->wl_count;
+               spin_unlock_irqrestore(&dhd->wl_lock, flags);
+       }
+       /* printk("%s: %d\n", __FUNCTION__, ret); */
+       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->wl_lock, flags);
+               if (dhd->wl_count) {
+                       dhd->wl_count--;
+#ifdef CONFIG_HAS_WAKELOCK
+                       if (!dhd->wl_count)
+                               wake_unlock(&dhd->wl_wifi);
+#endif
+                       ret = dhd->wl_count;
+               }
+               spin_unlock_irqrestore(&dhd->wl_lock, flags);
+       }
+       /* printk("%s: %d\n", __FUNCTION__, ret); */
+       return ret;
+}
+
+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;
+}