Initial file dump from open source releaseHEADmaster

1 files changed, 9286 insertions, 0 deletions

diff --git a/drivers/net/wireless/bcmdhd/dhd_linux.c b/drivers/net/wireless/bcmdhd/dhd_linux.c
new file mode 100644
index 00000000..03a00eec
--- /dev/null
+++ b/drivers/net/wireless/bcmdhd/dhd_linux.c
@@ -0,0 +1,9286 @@
+/*
+ * Broadcom Dongle Host Driver (DHD), Linux-specific network interface
+ * Basically selected code segments from usb-cdc.c and usb-rndis.c
+ *
+ * $Copyright Open Broadcom Corporation$
+ *
+ * $Id: dhd_linux.c 491481 2014-07-16 14:08:43Z $
+ */
+
+#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 <linux/reboot.h>
+#include <linux/notifier.h>
+#include <net/addrconf.h>
+#ifdef ENABLE_ADAPTIVE_SCHED
+#include <linux/cpufreq.h>
+#endif /* ENABLE_ADAPTIVE_SCHED */
+
+#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 <proto/vlan.h>
+#include <proto/bcmudp.h>
+#include <proto/bcmdhcp.h>
+#ifdef DHD_L2_FILTER
+#include <proto/bcmicmp.h>
+#endif
+#include <proto/802.3.h>
+
+#include <dngl_stats.h>
+#include <dhd_linux_wq.h>
+#include <dhd.h>
+#include <dhd_linux.h>
+#ifdef PCIE_FULL_DONGLE
+#include <dhd_flowring.h>
+#endif
+#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 PNO_SUPPORT
+#include <dhd_pno.h>
+#endif
+#ifdef WLBTAMP
+#include <proto/802.11_bta.h>
+#include <proto/bt_amp_hci.h>
+#include <dhd_bta.h>
+#endif
+
+#ifdef CONFIG_COMPAT
+#include <linux/compat.h>
+#endif
+
+#ifdef DHD_WMF
+#include <dhd_wmf_linux.h>
+#endif /* DHD_WMF */
+
+#ifdef AMPDU_VO_ENABLE
+#include <proto/802.1d.h>
+#endif /* AMPDU_VO_ENABLE */
+#ifdef DHDTCPACK_SUPPRESS
+#include <dhd_ip.h>
+#endif /* DHDTCPACK_SUPPRESS */
+
+#if defined(DHD_TCP_WINSIZE_ADJUST)
+#include <linux/tcp.h>
+#include <net/tcp.h>
+#endif /* DHD_TCP_WINSIZE_ADJUST */
+
+#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(DHD_TCP_WINSIZE_ADJUST)
+#define MIN_TCP_WIN_SIZE 18000
+#define WIN_SIZE_SCALE_FACTOR 2
+#define MAX_TARGET_PORTS 5
+
+static uint target_ports[MAX_TARGET_PORTS] = {20, 0, 0, 0, 0};
+static uint dhd_use_tcp_window_size_adjust = FALSE;
+static void dhd_adjust_tcp_winsize(int op_mode, struct sk_buff *skb);
+#endif /* DHD_TCP_WINSIZE_ADJUST */
+
+
+#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>
+
+/* Maximum STA per radio */
+#define DHD_MAX_STA     32
+
+
+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)]]
+
+#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 */
+
+#ifdef CONFIG_IPV6
+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;
+#endif
+
+#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)) && (1)
+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) */
+
+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
+
+#if defined(SOFTAP_TPUT_ENHANCE)
+extern void dhd_bus_setidletime(dhd_pub_t *dhdp, int idle_time);
+extern void dhd_bus_getidletime(dhd_pub_t *dhdp, int* idle_time);
+#endif /* SOFTAP_TPUT_ENHANCE */
+
+
+static int dhd_reboot_callback(struct notifier_block *this, unsigned long code, void *unused);
+static struct notifier_block dhd_reboot_notifier = {
+		.notifier_call = dhd_reboot_callback,
+		.priority = 1,
+};
+
+
+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;
+	int				idx;			/* iface idx in dongle */
+	uint			subunit;		/* subunit */
+	uint8			mac_addr[ETHER_ADDR_LEN];	/* assigned MAC address */
+	bool			set_macaddress;
+	bool			set_multicast;
+	uint8			bssidx;			/* bsscfg index for the interface */
+	bool			attached;		/* Delayed attachment when unset */
+	bool			txflowcontrol;	/* Per interface flow control indicator */
+	char			name[IFNAMSIZ+1]; /* linux interface name */
+	struct net_device_stats stats;
+#ifdef DHD_WMF
+	dhd_wmf_t		wmf;		/* per bsscfg wmf setting */
+#endif /* DHD_WMF */
+#ifdef PCIE_FULL_DONGLE
+	struct list_head sta_list;		/* sll of associated stations */
+#if !defined(BCM_GMAC3)
+	spinlock_t	sta_list_lock;		/* lock for manipulating sll */
+#endif /* ! BCM_GMAC3 */
+#endif /* PCIE_FULL_DONGLE */
+	uint32  ap_isolate;			/* ap-isolation settings */
+} 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;
+};
+
+/* When Perimeter locks are deployed, any blocking calls must be preceeded
+ * with a PERIM UNLOCK and followed by a PERIM LOCK.
+ * Examples of blocking calls are: schedule_timeout(), down_interruptible(),
+ * wait_event_timeout().
+ */
+
+/* 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;
+	dhd_if_t *iflist[DHD_MAX_IFS]; /* for supporting multiple interfaces */
+
+	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 */
+
+	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)) && 1
+	/* 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;
+	int wakelock_wd_counter;
+	int wakelock_rx_timeout_enable;
+	int wakelock_ctrl_timeout_enable;
+	bool waive_wakelock;
+	uint32 wakelock_before_waive;
+
+	/* 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;
+} dhd_info_t;
+
+#define DHDIF_FWDER(dhdif)      FALSE
+
+/* 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];
+
+/* backup buffer for firmware and nvram path */
+char fw_bak_path[MOD_PARAM_PATHLEN];
+char nv_bak_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);
+#ifdef CONFIG_IPV6
+static void dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event);
+#endif
+
+#ifdef WL_CFG80211
+extern void dhd_netdev_free(struct net_device *ndev);
+#endif /* WL_CFG80211 */
+
+/* Error bits */
+module_param(dhd_msg_level, int, 0660);
+
+#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 = CUSTOM_DHD_WATCHDOG_MS;
+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);
+
+
+/* DHD Perimiter lock only used in router with bypass forwarding. */
+#define DHD_PERIM_RADIO_INIT()              do { /* noop */ } while (0)
+#define DHD_PERIM_LOCK_TRY(unit, flag)      do { /* noop */ } while (0)
+#define DHD_PERIM_UNLOCK_TRY(unit, flag)    do { /* noop */ } while (0)
+#define DHD_PERIM_LOCK_ALL()                do { /* noop */ } while (0)
+#define DHD_PERIM_UNLOCK_ALL()              do { /* noop */ } while (0)
+
+#ifdef PCIE_FULL_DONGLE
+#if defined(BCM_GMAC3)
+#define DHD_IF_STA_LIST_LOCK_INIT(ifp)      do { /* noop */ } while (0)
+#define DHD_IF_STA_LIST_LOCK(ifp, flags)    ({ BCM_REFERENCE(flags); })
+#define DHD_IF_STA_LIST_UNLOCK(ifp, flags)  ({ BCM_REFERENCE(flags); })
+#else /* ! BCM_GMAC3 */
+#define DHD_IF_STA_LIST_LOCK_INIT(ifp) spin_lock_init(&(ifp)->sta_list_lock)
+#define DHD_IF_STA_LIST_LOCK(ifp, flags) \
+	spin_lock_irqsave(&(ifp)->sta_list_lock, (flags))
+#define DHD_IF_STA_LIST_UNLOCK(ifp, flags) \
+	spin_unlock_irqrestore(&(ifp)->sta_list_lock, (flags))
+#endif /* ! BCM_GMAC3 */
+#endif /* PCIE_FULL_DONGLE */
+
+/* Control fw roaming */
+#ifdef BCMCCX
+uint dhd_roam_disable = 0;
+#else
+uint dhd_roam_disable = 0;
+#endif /* BCMCCX */
+
+/* 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;
+uint dhd_poll = TRUE;
+module_param(dhd_poll, uint, 0644);//yufeng.yang debug
+
+/* 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);
+
+#ifdef BCMSDIO
+/* 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 */
+
+#endif /* BCMSDIO */
+
+
+#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 */
+
+#if defined(BCMSUP_4WAY_HANDSHAKE)
+/* Use in dongle supplicant for 4-way handshake */
+uint dhd_use_idsup = 0;
+module_param(dhd_use_idsup, uint, 0);
+#endif /* BCMSUP_4WAY_HANDSHAKE */
+
+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);
+
+
+#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,
+                             wl_event_msg_t *event_ptr, void **data_ptr);
+#ifdef DHD_UNICAST_DHCP
+static const uint8 llc_snap_hdr[SNAP_HDR_LEN] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00};
+static int dhd_get_pkt_ip_type(dhd_pub_t *dhd, void *skb, uint8 **data_ptr,
+	int *len_ptr, uint8 *prot_ptr);
+static int dhd_get_pkt_ether_type(dhd_pub_t *dhd, void *skb, uint8 **data_ptr,
+	int *len_ptr, uint16 *et_ptr, bool *snap_ptr);
+
+static int dhd_convert_dhcp_broadcast_ack_to_unicast(dhd_pub_t *pub, void *pktbuf, int ifidx);
+#endif /* DHD_UNICAST_DHCP */
+#ifdef DHD_L2_FILTER
+static int dhd_l2_filter_block_ping(dhd_pub_t *pub, void *pktbuf, int ifidx);
+#endif
+#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_OS_WAKE_LOCK_WAIVE(&dhdinfo->pub);
+		dhd_wlfc_suspend(&dhdinfo->pub);
+		DHD_OS_WAKE_LOCK_RESTORE(&dhdinfo->pub);
+	} 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;
+}
+
+static struct notifier_block dhd_pm_notifier = {
+	.notifier_call = dhd_pm_callback,
+	.priority = 10
+};
+/* 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 /* CONFIG_PM_SLEEP */
+
+/* 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);
+
+/** priv_link is the link between netdev and the dhdif and dhd_info structs. */
+typedef struct dhd_dev_priv {
+	dhd_info_t * dhd; /* cached pointer to dhd_info in netdevice priv */
+	dhd_if_t   * ifp; /* cached pointer to dhd_if in netdevice priv */
+	int          ifidx; /* interface index */
+} dhd_dev_priv_t;
+
+#define DHD_DEV_PRIV_SIZE       (sizeof(dhd_dev_priv_t))
+#define DHD_DEV_PRIV(dev)       ((dhd_dev_priv_t *)DEV_PRIV(dev))
+#define DHD_DEV_INFO(dev)       (((dhd_dev_priv_t *)DEV_PRIV(dev))->dhd)
+#define DHD_DEV_IFP(dev)        (((dhd_dev_priv_t *)DEV_PRIV(dev))->ifp)
+#define DHD_DEV_IFIDX(dev)      (((dhd_dev_priv_t *)DEV_PRIV(dev))->ifidx)
+
+/** Clear the dhd net_device's private structure. */
+static inline void
+dhd_dev_priv_clear(struct net_device * dev)
+{
+	dhd_dev_priv_t * dev_priv;
+	ASSERT(dev != (struct net_device *)NULL);
+	dev_priv = DHD_DEV_PRIV(dev);
+	dev_priv->dhd = (dhd_info_t *)NULL;
+	dev_priv->ifp = (dhd_if_t *)NULL;
+	dev_priv->ifidx = DHD_BAD_IF;
+}
+
+/** Setup the dhd net_device's private structure. */
+static inline void
+dhd_dev_priv_save(struct net_device * dev, dhd_info_t * dhd, dhd_if_t * ifp,
+                  int ifidx)
+{
+	dhd_dev_priv_t * dev_priv;
+	ASSERT(dev != (struct net_device *)NULL);
+	dev_priv = DHD_DEV_PRIV(dev);
+	dev_priv->dhd = dhd;
+	dev_priv->ifp = ifp;
+	dev_priv->ifidx = ifidx;
+}
+
+#ifdef PCIE_FULL_DONGLE
+
+/** Dummy objects are defined with state representing bad|down.
+ * Performance gains from reducing branch conditionals, instruction parallelism,
+ * dual issue, reducing load shadows, avail of larger pipelines.
+ * Use DHD_XXX_NULL instead of (dhd_xxx_t *)NULL, whenever an object pointer
+ * is accessed via the dhd_sta_t.
+ */
+
+/* Dummy dhd_info object */
+dhd_info_t dhd_info_null = {
+#if defined(BCM_GMAC3)
+	.fwdh = FWDER_NULL,
+#endif
+	.pub = {
+	         .info = &dhd_info_null,
+#ifdef DHDTCPACK_SUPPRESS
+	         .tcpack_sup_mode = TCPACK_SUP_REPLACE,
+#endif /* DHDTCPACK_SUPPRESS */
+	         .up = FALSE, .busstate = DHD_BUS_DOWN
+	}
+};
+#define DHD_INFO_NULL (&dhd_info_null)
+#define DHD_PUB_NULL  (&dhd_info_null.pub)
+
+/* Dummy netdevice object */
+struct net_device dhd_net_dev_null = {
+	.reg_state = NETREG_UNREGISTERED
+};
+#define DHD_NET_DEV_NULL (&dhd_net_dev_null)
+
+/* Dummy dhd_if object */
+dhd_if_t dhd_if_null = {
+#if defined(BCM_GMAC3)
+	.fwdh = FWDER_NULL,
+#endif
+#ifdef WMF
+	.wmf = { .wmf_enable = TRUE },
+#endif
+	.info = DHD_INFO_NULL,
+	.net = DHD_NET_DEV_NULL,
+	.idx = DHD_BAD_IF
+};
+#define DHD_IF_NULL  (&dhd_if_null)
+
+#define DHD_STA_NULL ((dhd_sta_t *)NULL)
+
+/** Interface STA list management. */
+
+/** Fetch the dhd_if object, given the interface index in the dhd. */
+static inline dhd_if_t *dhd_get_ifp(dhd_pub_t *dhdp, uint32 ifidx);
+
+/** Alloc/Free a dhd_sta object from the dhd instances' sta_pool. */
+static void dhd_sta_free(dhd_pub_t *pub, dhd_sta_t *sta);
+static dhd_sta_t * dhd_sta_alloc(dhd_pub_t * dhdp);
+
+/* Delete a dhd_sta or flush all dhd_sta in an interface's sta_list. */
+static void dhd_if_del_sta_list(dhd_if_t * ifp);
+static void	dhd_if_flush_sta(dhd_if_t * ifp);
+
+/* Construct/Destruct a sta pool. */
+static int dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta);
+static void dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta);
+
+
+/* Return interface pointer */
+static inline dhd_if_t *dhd_get_ifp(dhd_pub_t *dhdp, uint32 ifidx)
+{
+	ASSERT(ifidx < DHD_MAX_IFS);
+	return dhdp->info->iflist[ifidx];
+}
+
+/** Reset a dhd_sta object and free into the dhd pool. */
+static void
+dhd_sta_free(dhd_pub_t * dhdp, dhd_sta_t * sta)
+{
+	int prio;
+
+	ASSERT((sta != DHD_STA_NULL) && (sta->idx != ID16_INVALID));
+
+	ASSERT((dhdp->staid_allocator != NULL) && (dhdp->sta_pool != NULL));
+	id16_map_free(dhdp->staid_allocator, sta->idx);
+	for (prio = 0; prio < (int)NUMPRIO; prio++)
+		sta->flowid[prio] = FLOWID_INVALID;
+	sta->ifp = DHD_IF_NULL; /* dummy dhd_if object */
+	sta->ifidx = DHD_BAD_IF;
+	bzero(sta->ea.octet, ETHER_ADDR_LEN);
+	INIT_LIST_HEAD(&sta->list);
+	sta->idx = ID16_INVALID; /* implying free */
+}
+
+/** Allocate a dhd_sta object from the dhd pool. */
+static dhd_sta_t *
+dhd_sta_alloc(dhd_pub_t * dhdp)
+{
+	uint16 idx;
+	dhd_sta_t * sta;
+	dhd_sta_pool_t * sta_pool;
+
+	ASSERT((dhdp->staid_allocator != NULL) && (dhdp->sta_pool != NULL));
+
+	idx = id16_map_alloc(dhdp->staid_allocator);
+	if (idx == ID16_INVALID) {
+		DHD_ERROR(("%s: cannot get free staid\n", __FUNCTION__));
+		return DHD_STA_NULL;
+	}
+
+	sta_pool = (dhd_sta_pool_t *)(dhdp->sta_pool);
+	sta = &sta_pool[idx];
+
+	ASSERT((sta->idx == ID16_INVALID) &&
+	       (sta->ifp == DHD_IF_NULL) && (sta->ifidx == DHD_BAD_IF));
+	sta->idx = idx; /* implying allocated */
+
+	return sta;
+}
+
+/** Delete all STAs in an interface's STA list. */
+static void
+dhd_if_del_sta_list(dhd_if_t *ifp)
+{
+	dhd_sta_t *sta, *next;
+	unsigned long flags;
+
+	DHD_IF_STA_LIST_LOCK(ifp, flags);
+
+	list_for_each_entry_safe(sta, next, &ifp->sta_list, list) {
+#if defined(BCM_GMAC3)
+		if (ifp->fwdh) {
+			/* Remove sta from WOFA forwarder. */
+			fwder_deassoc(ifp->fwdh, (uint16 *)(sta->ea.octet), (wofa_t)sta);
+		}
+#endif /* BCM_GMAC3 */
+		list_del(&sta->list);
+		dhd_sta_free(&ifp->info->pub, sta);
+	}
+
+	DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+
+	return;
+}
+
+/** Router/GMAC3: Flush all station entries in the forwarder's WOFA database. */
+static void
+dhd_if_flush_sta(dhd_if_t * ifp)
+{
+#if defined(BCM_GMAC3)
+
+	if (ifp && (ifp->fwdh != FWDER_NULL)) {
+		dhd_sta_t *sta, *next;
+		unsigned long flags;
+
+		DHD_IF_STA_LIST_LOCK(ifp, flags);
+
+		list_for_each_entry_safe(sta, next, &ifp->sta_list, list) {
+			/* Remove any sta entry from WOFA forwarder. */
+			fwder_flush(ifp->fwdh, (wofa_t)sta);
+		}
+
+		DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+	}
+#endif /* BCM_GMAC3 */
+}
+
+/** Construct a pool of dhd_sta_t objects to be used by interfaces. */
+static int
+dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta)
+{
+	int idx, sta_pool_memsz;
+	dhd_sta_t * sta;
+	dhd_sta_pool_t * sta_pool;
+	void * staid_allocator;
+
+	ASSERT(dhdp != (dhd_pub_t *)NULL);
+	ASSERT((dhdp->staid_allocator == NULL) && (dhdp->sta_pool == NULL));
+
+	/* dhd_sta objects per radio are managed in a table. id#0 reserved. */
+	staid_allocator = id16_map_init(dhdp->osh, max_sta, 1);
+	if (staid_allocator == NULL) {
+		DHD_ERROR(("%s: sta id allocator init failure\n", __FUNCTION__));
+		return BCME_ERROR;
+	}
+
+	/* Pre allocate a pool of dhd_sta objects (one extra). */
+	sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t)); /* skip idx 0 */
+	sta_pool = (dhd_sta_pool_t *)MALLOC(dhdp->osh, sta_pool_memsz);
+	if (sta_pool == NULL) {
+		DHD_ERROR(("%s: sta table alloc failure\n", __FUNCTION__));
+		id16_map_fini(dhdp->osh, staid_allocator);
+		return BCME_ERROR;
+	}
+
+	dhdp->sta_pool = sta_pool;
+	dhdp->staid_allocator = staid_allocator;
+
+	/* Initialize all sta(s) for the pre-allocated free pool. */
+	bzero((uchar *)sta_pool, sta_pool_memsz);
+	for (idx = max_sta; idx >= 1; idx--) { /* skip sta_pool[0] */
+		sta = &sta_pool[idx];
+		sta->idx = id16_map_alloc(staid_allocator);
+		ASSERT(sta->idx <= max_sta);
+	}
+	/* Now place them into the pre-allocated free pool. */
+	for (idx = 1; idx <= max_sta; idx++) {
+		sta = &sta_pool[idx];
+		dhd_sta_free(dhdp, sta);
+	}
+
+	return BCME_OK;
+}
+
+/** Destruct the pool of dhd_sta_t objects.
+ * Caller must ensure that no STA objects are currently associated with an if.
+ */
+static void
+dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta)
+{
+	dhd_sta_pool_t * sta_pool = (dhd_sta_pool_t *)dhdp->sta_pool;
+
+	if (sta_pool) {
+		int idx;
+		int sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t));
+		for (idx = 1; idx <= max_sta; idx++) {
+			ASSERT(sta_pool[idx].ifp == DHD_IF_NULL);
+			ASSERT(sta_pool[idx].idx == ID16_INVALID);
+		}
+		MFREE(dhdp->osh, dhdp->sta_pool, sta_pool_memsz);
+		dhdp->sta_pool = NULL;
+	}
+
+	id16_map_fini(dhdp->osh, dhdp->staid_allocator);
+	dhdp->staid_allocator = NULL;
+}
+
+/** Find STA with MAC address ea in an interface's STA list. */
+dhd_sta_t *
+dhd_find_sta(void *pub, int ifidx, void *ea)
+{
+	dhd_sta_t *sta;
+	dhd_if_t *ifp;
+	unsigned long flags;
+
+	ASSERT(ea != NULL);
+	ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx);
+
+	DHD_IF_STA_LIST_LOCK(ifp, flags);
+
+	list_for_each_entry(sta, &ifp->sta_list, list) {
+		if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) {
+			DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+			return sta;
+		}
+	}
+
+	DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+
+	return DHD_STA_NULL;
+}
+
+/** Add STA into the interface's STA list. */
+dhd_sta_t *
+dhd_add_sta(void *pub, int ifidx, void *ea)
+{
+	dhd_sta_t *sta;
+	dhd_if_t *ifp;
+	unsigned long flags;
+
+	ASSERT(ea != NULL);
+	ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx);
+
+	sta = dhd_sta_alloc((dhd_pub_t *)pub);
+	if (sta == DHD_STA_NULL) {
+		DHD_ERROR(("%s: Alloc failed\n", __FUNCTION__));
+		return DHD_STA_NULL;
+	}
+
+	memcpy(sta->ea.octet, ea, ETHER_ADDR_LEN);
+
+	/* link the sta and the dhd interface */
+	sta->ifp = ifp;
+	sta->ifidx = ifidx;
+	INIT_LIST_HEAD(&sta->list);
+
+	DHD_IF_STA_LIST_LOCK(ifp, flags);
+
+	list_add_tail(&sta->list, &ifp->sta_list);
+
+#if defined(BCM_GMAC3)
+	if (ifp->fwdh) {
+		ASSERT(ISALIGNED(ea, 2));
+		/* Add sta to WOFA forwarder. */
+		fwder_reassoc(ifp->fwdh, (uint16 *)ea, (wofa_t)sta);
+	}
+#endif /* BCM_GMAC3 */
+
+	DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+
+	return sta;
+}
+
+/** Delete STA from the interface's STA list. */
+void
+dhd_del_sta(void *pub, int ifidx, void *ea)
+{
+	dhd_sta_t *sta, *next;
+	dhd_if_t *ifp;
+	unsigned long flags;
+
+	ASSERT(ea != NULL);
+	ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx);
+
+	DHD_IF_STA_LIST_LOCK(ifp, flags);
+
+	list_for_each_entry_safe(sta, next, &ifp->sta_list, list) {
+		if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) {
+#if defined(BCM_GMAC3)
+			if (ifp->fwdh) { /* Found a sta, remove from WOFA forwarder. */
+				ASSERT(ISALIGNED(ea, 2));
+				fwder_deassoc(ifp->fwdh, (uint16 *)ea, (wofa_t)sta);
+			}
+#endif /* BCM_GMAC3 */
+			list_del(&sta->list);
+			dhd_sta_free(&ifp->info->pub, sta);
+		}
+	}
+
+	DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+
+	return;
+}
+
+/** Add STA if it doesn't exist. Not reentrant. */
+dhd_sta_t*
+dhd_findadd_sta(void *pub, int ifidx, void *ea)
+{
+	dhd_sta_t *sta;
+
+	sta = dhd_find_sta(pub, ifidx, ea);
+
+	if (!sta) {
+		/* Add entry */
+		sta = dhd_add_sta(pub, ifidx, ea);
+	}
+
+	return sta;
+}
+#else
+static inline void dhd_if_flush_sta(dhd_if_t * ifp) { }
+static inline void dhd_if_del_sta_list(dhd_if_t *ifp) {}
+static inline int dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta) { return BCME_OK; }
+static inline void dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta) {}
+dhd_sta_t *dhd_findadd_sta(void *pub, int ifidx, void *ea) { return NULL; }
+void dhd_del_sta(void *pub, int ifidx, void *ea) {}
+#endif /* PCIE_FULL_DONGLE */
+
+
+/* Returns dhd iflist index correspondig the the bssidx provided by apps */
+int dhd_bssidx2idx(dhd_pub_t *dhdp, uint32 bssidx)
+{
+	dhd_if_t *ifp;
+	dhd_info_t *dhd = dhdp->info;
+	int i;
+
+	ASSERT(bssidx < DHD_MAX_IFS);
+	ASSERT(dhdp);
+
+	for (i = 0; i < DHD_MAX_IFS; i++) {
+		ifp = dhd->iflist[i];
+		if (ifp && (ifp->bssidx == bssidx)) {
+			DHD_TRACE(("Index manipulated for %s from %d to %d\n",
+				ifp->name, bssidx, i));
+			break;
+		}
+	}
+	return i;
+}
+
+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;
+}
+
+int dhd_process_cid_mac(dhd_pub_t *dhdp, bool prepost)
+{
+#ifndef CUSTOMER_HW10
+	dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
+#endif /* !CUSTOMER_HW10 */
+
+	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 ((dhd->arp_version == 1) &&
+		(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.
+				 */
+#if 0
+				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__));
+#endif
+#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 0
+				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));
+				}
+#endif
+#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);
+	DHD_PERIM_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_PERIM_UNLOCK(dhdp);
+	DHD_OS_WAKE_UNLOCK(dhdp);
+	return ret;
+}
+
+#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
+extern void dhdsdio_poll_enable(dhd_pub_t* pub);
+extern void dhdsdio_poll_disable(dhd_pub_t* pub);
+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);
+		dhdsdio_poll_enable(&(dhd->pub)); /*pause dpc thread for kernel suspend because wd_wakelock in timer*/
+	}
+}
+
+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);
+		dhdsdio_poll_disable(&(dhd->pub)); /*pause dpc thread for kernel suspend because wd_wakelock in timer */
+	}
+}
+#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);
+		(void)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]->name, name, IFNAMSIZ))
+				break;
+
+	DHD_TRACE(("%s: return idx %d for \"%s\"\n", __FUNCTION__, i, name));
+
+	return i;	/* default - the primary interface */
+}
+
+int
+dhd_ifidx2hostidx(dhd_info_t *dhd, int ifidx)
+{
+	int i = DHD_MAX_IFS;
+
+	ASSERT(dhd);
+
+	while (--i > 0)
+		if (dhd->iflist[i] && (dhd->iflist[i]->idx == ifidx))
+				break;
+
+	DHD_TRACE(("%s: return hostidx %d for ifidx %d\n", __FUNCTION__, i, ifidx));
+
+	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;
+
+			ASSERT(dhd && dhd->iflist[ifidx]);
+			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
+
+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 1 && (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);
+	DHD_PERIM_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 (!ndev) {
+		DHD_ERROR(("%s: net device alloc failed  \n", __FUNCTION__));
+		goto done;
+	}
+
+#if 1 && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
+	vwdev = kzalloc(sizeof(*vwdev), GFP_KERNEL);
+	if (unlikely(!vwdev)) {
+		WL_ERR(("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 = 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)) */
+
+	DHD_PERIM_UNLOCK(&dhd->pub);
+	ret = dhd_register_if(&dhd->pub, ifidx, TRUE);
+	DHD_PERIM_LOCK(&dhd->pub);
+	if (ret != BCME_OK) {
+		DHD_ERROR(("%s: dhd_register_if failed\n", __FUNCTION__));
+			dhd_remove_if(&dhd->pub, ifidx, TRUE);
+	}
+#ifdef PCIE_FULL_DONGLE
+	/* Turn on AP isolation in the firmware for interfaces operating in AP mode */
+	if (FW_SUPPORTED((&dhd->pub), ap) && (if_event->event.role != WLC_E_IF_ROLE_STA)) {
+		char iovbuf[WLC_IOCTL_SMLEN];
+		uint32 var_int =  1;
+
+		memset(iovbuf, 0, sizeof(iovbuf));
+		bcm_mkiovar("ap_isolate", (char *)&var_int, 4, iovbuf, sizeof(iovbuf));
+		dhd_wl_ioctl_cmd(&dhd->pub, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, ifidx);
+	}
+#endif /* PCIE_FULL_DONGLE */
+done:
+	MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t));
+
+	DHD_PERIM_UNLOCK(&dhd->pub);
+	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);
+	DHD_PERIM_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_PERIM_UNLOCK(&dhd->pub);
+	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;
+
+	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;
+	}
+
+	dhd_net_if_lock_local(dhd);
+	DHD_OS_WAKE_LOCK(&dhd->pub);
+	DHD_PERIM_LOCK(&dhd->pub);
+
+#ifdef SOFTAP
+	{
+		unsigned long flags;
+		bool in_ap = FALSE;
+		DHD_GENERAL_LOCK(&dhd->pub, flags);
+		in_ap = (ap_net_dev != NULL);
+		DHD_GENERAL_UNLOCK(&dhd->pub, flags);
+
+		if (in_ap)  {
+			DHD_ERROR(("attempt to set MAC for %s in AP Mode, blocked. \n",
+			           ifp->net->name));
+			goto done;
+		}
+	}
+#endif /* SOFTAP */
+
+	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_PERIM_UNLOCK(&dhd->pub);
+	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;
+	dhd_if_t *ifp = event_info;
+	int ifidx;
+
+	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;
+	}
+
+	dhd_net_if_lock_local(dhd);
+	DHD_OS_WAKE_LOCK(&dhd->pub);
+	DHD_PERIM_LOCK(&dhd->pub);
+
+#ifdef SOFTAP
+	{
+		bool in_ap = FALSE;
+		unsigned long flags;
+		DHD_GENERAL_LOCK(&dhd->pub, flags);
+		in_ap = (ap_net_dev != NULL);
+		DHD_GENERAL_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;
+			goto done;
+		}
+	}
+#endif /* SOFTAP */
+
+	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_PERIM_UNLOCK(&dhd->pub);
+	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_DEV_INFO(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(dhd->dhd_deferred_wq, (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_DEV_INFO(dev);
+	int ifidx;
+
+	ifidx = dhd_net2idx(dhd, dev);
+	if (ifidx == DHD_BAD_IF)
+		return;
+
+	dhd->iflist[ifidx]->set_multicast = TRUE;
+	dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)dhd->iflist[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;
+}
+
+#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;
+	}
+
+#ifdef PCIE_FULL_DONGLE
+	if (dhdp->busstate == DHD_BUS_SUSPEND) {
+		DHD_ERROR(("%s : pcie is still in suspend state!!\n", __FUNCTION__));
+		PKTFREE(dhdp->osh, pktbuf, TRUE);
+		return -EBUSY;
+	}
+#endif /* PCIE_FULL_DONGLE */
+
+#ifdef DHD_UNICAST_DHCP
+	/* if dhcp_unicast is enabled, we need to convert the */
+	/* broadcast DHCP ACK/REPLY packets to Unicast. */
+	if (dhdp->dhcp_unicast) {
+	    dhd_convert_dhcp_broadcast_ack_to_unicast(dhdp, pktbuf, ifidx);
+	}
+#endif /* DHD_UNICAST_DHCP */
+	/* 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 PCIE_FULL_DONGLE
+	/*
+	 * Lkup the per interface hash table, for a matching flowring. If one is not
+	 * available, allocate a unique flowid and add a flowring entry.
+	 * The found or newly created flowid is placed into the pktbuf's tag.
+	 */
+	ret = dhd_flowid_update(dhdp, ifidx, dhdp->flow_prio_map[(PKTPRIO(pktbuf))], pktbuf);
+	if (ret != BCME_OK) {
+		PKTCFREE(dhd->pub.osh, pktbuf, TRUE);
+		return ret;
+	}
+#endif
+
+#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{
+            /* convert BK to BE. */
+	    /* Hardcode prio to 0, because of abnormal TOS value of some area, which decreases softap throughput*/
+            //if(PKTPRIO(pktbuf) < 3)
+                PKTPRIO(pktbuf) = 0;
+			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 */
+#ifdef BCMPCIE
+			ret = dhd_bus_txdata(dhdp->bus, pktbuf, (uint8)ifidx);
+#else
+			ret = dhd_bus_txdata(dhdp->bus, pktbuf);
+#endif /* BCMPCIE */
+		}
+	}
+#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_DEV_INFO(net);
+	dhd_if_t *ifp = NULL;
+	int ifidx;
+#ifdef WLMEDIA_HTSF
+	uint8 htsfdlystat_sz = dhd->pub.htsfdlystat_sz;
+#else
+	uint8 htsfdlystat_sz = 0;
+#endif
+#ifdef DHD_WMF
+	struct ether_header *eh;
+	uint8 *iph;
+#endif /* DHD_WMF */
+
+	DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+	DHD_OS_WAKE_LOCK(&dhd->pub);
+	DHD_PERIM_LOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE);
+
+	/* 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_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE);
+		DHD_OS_WAKE_UNLOCK(&dhd->pub);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20))
+		return -ENODEV;
+#else
+		return NETDEV_TX_BUSY;
+#endif
+	}
+
+	ifp = DHD_DEV_IFP(net);
+	ifidx = DHD_DEV_IFIDX(net);
+
+	ASSERT(ifidx == dhd_net2idx(dhd, net));
+	ASSERT((ifp != NULL) && (ifp == dhd->iflist[ifidx]));
+
+	if (ifidx == DHD_BAD_IF) {
+		DHD_ERROR(("%s: bad ifidx %d\n", __FUNCTION__, ifidx));
+		netif_stop_queue(net);
+		DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE);
+		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 address */
+	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);
+	}
+
+	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
+#ifdef DHD_WMF
+	eh = (struct ether_header *)PKTDATA(dhd->pub.osh, pktbuf);
+	iph = (uint8 *)eh + ETHER_HDR_LEN;
+
+	/* WMF processing for multicast packets
+	 * Only IPv4 packets are handled
+	 */
+	if (ifp->wmf.wmf_enable && (ntoh16(eh->ether_type) == ETHER_TYPE_IP) &&
+		(IP_VER(iph) == IP_VER_4) && (ETHER_ISMULTI(eh->ether_dhost) ||
+		((IPV4_PROT(iph) == IP_PROT_IGMP) && dhd->pub.wmf_ucast_igmp))) {
+#if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP)
+		void *sdu_clone;
+		bool ucast_convert = FALSE;
+#ifdef DHD_UCAST_UPNP
+		uint32 dest_ip;
+
+		dest_ip = ntoh32(*((uint32 *)(iph + IPV4_DEST_IP_OFFSET)));
+		ucast_convert = dhd->pub.wmf_ucast_upnp && MCAST_ADDR_UPNP_SSDP(dest_ip);
+#endif /* DHD_UCAST_UPNP */
+#ifdef DHD_IGMP_UCQUERY
+		ucast_convert |= dhd->pub.wmf_ucast_igmp_query &&
+			(IPV4_PROT(iph) == IP_PROT_IGMP) &&
+			(*(iph + IPV4_HLEN(iph)) == IGMPV2_HOST_MEMBERSHIP_QUERY);
+#endif /* DHD_IGMP_UCQUERY */
+		if (ucast_convert) {
+			dhd_sta_t *sta;
+			unsigned long flags;
+
+			DHD_IF_STA_LIST_LOCK(ifp, flags);
+
+			/* Convert upnp/igmp query to unicast for each assoc STA */
+			list_for_each_entry(sta, &ifp->sta_list, list) {
+				if ((sdu_clone = PKTDUP(dhd->pub.osh, pktbuf)) == NULL) {
+					DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+					DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE);
+					DHD_OS_WAKE_UNLOCK(&dhd->pub);
+					return (WMF_NOP);
+				}
+				dhd_wmf_forward(ifp->wmf.wmfh, sdu_clone, 0, sta, 1);
+			}
+
+			DHD_IF_STA_LIST_UNLOCK(ifp, flags);
+			DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE);
+			DHD_OS_WAKE_UNLOCK(&dhd->pub);
+
+			PKTFREE(dhd->pub.osh, pktbuf, TRUE);
+			return NETDEV_TX_OK;
+		} else
+#endif /* defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) */
+		{
+			/* There will be no STA info if the packet is coming from LAN host
+			 * Pass as NULL
+			 */
+			ret = dhd_wmf_packets_handle(&dhd->pub, pktbuf, NULL, ifidx, 0);
+			switch (ret) {
+			case WMF_TAKEN:
+			case WMF_DROP:
+				/* Either taken by WMF or we should drop it.
+				 * Exiting send path
+				 */
+				DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE);
+				DHD_OS_WAKE_UNLOCK(&dhd->pub);
+				return NETDEV_TX_OK;
+			default:
+				/* Continue the transmit path */
+				break;
+			}
+		}
+	}
+#endif /* DHD_WMF */
+
+	ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf);
+
+done:
+	if (ret) {
+		ifp->stats.tx_dropped++;
+		dhd->pub.tx_dropped++;
+	}
+	else {
+		dhd->pub.tx_packets++;
+		ifp->stats.tx_packets++;
+		ifp->stats.tx_bytes += datalen;
+	}
+
+	DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE);
+	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 */
+
+
+#ifdef DHD_WMF
+bool
+dhd_is_rxthread_enabled(dhd_pub_t *dhdp)
+{
+	dhd_info_t *dhd = dhdp->info;
+
+	return dhd->rxthread_enabled;
+}
+#endif /* DHD_WMF */
+
+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;
+#ifdef WLBTAMP
+		struct dot11_llc_snap_header *lsh;
+#endif
+
+		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__));
+			PKTCFREE(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__));
+			PKTCFREE(dhdp->osh, pktbuf, FALSE);
+			continue;
+		}
+
+#ifdef WLBTAMP
+		lsh = (struct dot11_llc_snap_header *)&eh[1];
+
+		if ((ntoh16(eh->ether_type) < ETHER_TYPE_MIN) &&
+		    (PKTLEN(dhdp->osh, pktbuf) >= RFC1042_HDR_LEN) &&
+		    bcmp(lsh, BT_SIG_SNAP_MPROT, DOT11_LLC_SNAP_HDR_LEN - 2) == 0 &&
+		    lsh->type == HTON16(BTA_PROT_L2CAP)) {
+			amp_hci_ACL_data_t *ACL_data = (amp_hci_ACL_data_t *)
+			        ((uint8 *)eh + RFC1042_HDR_LEN);
+			ACL_data = NULL;
+		}
+#endif /* WLBTAMP */
+
+#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
+			*/
+			PKTCFREE(dhdp->osh, pktbuf, FALSE);
+			continue;
+		}
+#endif
+#ifdef DHD_L2_FILTER
+		/* If block_ping is enabled drop the ping packet */
+		if (dhdp->block_ping) {
+			if (dhd_l2_filter_block_ping(dhdp, pktbuf, ifidx) == BCME_OK) {
+				PKTFREE(dhdp->osh, pktbuf, FALSE);
+				continue;
+			}
+		}
+#endif
+#ifdef DHD_WMF
+		/* WMF processing for multicast packets */
+		if (ifp->wmf.wmf_enable && (ETHER_ISMULTI(eh->ether_dhost))) {
+			dhd_sta_t *sta;
+			int ret;
+
+			sta = dhd_find_sta(dhdp, ifidx, (void *)eh->ether_shost);
+			ret = dhd_wmf_packets_handle(dhdp, pktbuf, sta, ifidx, 1);
+			switch (ret) {
+				case WMF_TAKEN:
+					/* The packet is taken by WMF. Continue to next iteration */
+					continue;
+				case WMF_DROP:
+					/* Packet DROP decision by WMF. Toss it */
+					DHD_ERROR(("%s: WMF decides to drop packet\n",
+						__FUNCTION__));
+					PKTCFREE(dhdp->osh, pktbuf, FALSE);
+					continue;
+				default:
+					/* Continue the transmit path */
+					break;
+			}
+		}
+#endif /* DHD_WMF */
+#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;
+
+#ifdef PCIE_FULL_DONGLE
+		if ((DHD_IF_ROLE_AP(dhdp, ifidx) || DHD_IF_ROLE_P2PGO(dhdp, ifidx)) &&
+			(!ifp->ap_isolate)) {
+			eh = (struct ether_header *)PKTDATA(dhdp->osh, pktbuf);
+			if (ETHER_ISUCAST(eh->ether_dhost)) {
+				if (dhd_find_sta(dhdp, ifidx, (void *)eh->ether_dhost)) {
+						dhd_sendpkt(dhdp, ifidx, pktbuf);
+					continue;
+				}
+			} else {
+				void *npktbuf = PKTDUP(dhdp->osh, pktbuf);
+				dhd_sendpkt(dhdp, ifidx, npktbuf);
+			}
+		}
+#endif /* PCIE_FULL_DONGLE */
+
+		/* 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) */
+			&event,
+			&data);
+
+			wl_event_to_host_order(&event);
+			if (!tout_ctrl)
+				tout_ctrl = DHD_PACKET_TIMEOUT_MS;
+#ifdef WLBTAMP
+			if (event.event_type == WLC_E_BTA_HCI_EVENT) {
+				dhd_bta_doevt(dhdp, data, event.datalen);
+			}
+#endif /* WLBTAMP */
+
+#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 defined(DHD_TCP_WINSIZE_ADJUST)
+		if (dhd_use_tcp_window_size_adjust) {
+			if (ifidx == 0 && ntoh16(skb->protocol) == ETHER_TYPE_IP) {
+				dhd_adjust_tcp_winsize(dhdp->op_mode, skb);
+			}
+		}
+#endif /* DHD_TCP_WINSIZE_ADJUST */
+
+		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, int 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;
+#ifdef WLBTAMP
+	uint len;
+#endif
+
+	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 WLBTAMP
+	/* Crack open the packet and check to see if it is BT HCI ACL data packet.
+	 * If yes generate packet completion event.
+	 */
+	len = PKTLEN(dhdp->osh, txp);
+
+	/* Generate ACL data tx completion event locally to avoid SDIO bus transaction */
+	if ((type < ETHER_TYPE_MIN) && (len >= RFC1042_HDR_LEN)) {
+		struct dot11_llc_snap_header *lsh = (struct dot11_llc_snap_header *)&eh[1];
+
+		if (bcmp(lsh, BT_SIG_SNAP_MPROT, DOT11_LLC_SNAP_HDR_LEN - 2) == 0 &&
+		    ntoh16(lsh->type) == BTA_PROT_L2CAP) {
+
+			dhd_bta_tx_hcidata_complete(dhdp, txp, success);
+		}
+	}
+#endif /* WLBTAMP */
+}
+
+static struct net_device_stats *
+dhd_get_stats(struct net_device *net)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(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;
+			}
+
+			if (dhd->pub.dongle_reset == FALSE) {
+				DHD_TIMER(("%s:\n", __FUNCTION__));
+
+				/* Call the bus module watchdog */
+				dhd_bus_watchdog(&dhd->pub);
+
+
+				DHD_GENERAL_LOCK(&dhd->pub, flags);
+				/* 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_GENERAL_UNLOCK(&dhd->pub, flags);
+				}
+		} 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;
+	}
+
+	/* Call the bus module watchdog */
+	dhd_bus_watchdog(&dhd->pub);
+
+	DHD_GENERAL_LOCK(&dhd->pub, flags);
+	/* 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_GENERAL_UNLOCK(&dhd->pub, flags);
+
+}
+
+#ifdef ENABLE_ADAPTIVE_SCHED
+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, SCHED_FIFO, &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;
+#if defined(WAIT_DEQUEUE)
+#define RXF_WATCHDOG_TIME 250 /* BARK_TIME(1000) /  */
+	ulong watchdogTime = OSL_SYSUPTIME(); /* msec */
+#endif
+	dhd_pub_t *pub = &dhd->pub;
+
+	/* 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);
+	}
+
+	DAEMONIZE("dhd_rxf");
+	/* DHD_OS_WAKE_LOCK is called in dhd_sched_dpc[dhd_linux.c] down below  */
+
+	/*  signal: thread has started */
+	complete(&tsk->completed);
+#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);
+}
+
+#ifdef BCMPCIE
+void dhd_dpc_kill(dhd_pub_t *dhdp)
+{
+	dhd_info_t *dhd;
+
+	if (!dhdp)
+		return;
+
+	dhd = dhdp->info;
+
+	if (!dhd)
+		return;
+
+	tasklet_kill(&dhd->tasklet);
+	DHD_ERROR(("%s: tasklet disabled\n", __FUNCTION__));
+}
+#endif /* BCMPCIE */
+
+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 defined(WL_CFG80211)
+void dhd_set_scb_probe(dhd_pub_t *dhd)
+{
+#define NUM_SCB_MAX_PROBE 3
+	int ret = 0;
+	wl_scb_probe_t scb_probe;
+	char iovbuf[WL_EVENTING_MASK_LEN + 12];
+
+	memset(&scb_probe, 0, sizeof(wl_scb_probe_t));
+
+	if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE)
+		return;
+
+	bcm_mkiovar("scb_probe", NULL, 0, iovbuf, sizeof(iovbuf));
+
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
+		DHD_ERROR(("%s: GET max_scb_probe failed\n", __FUNCTION__));
+
+	memcpy(&scb_probe, iovbuf, sizeof(wl_scb_probe_t));
+
+	scb_probe.scb_max_probe = NUM_SCB_MAX_PROBE;
+
+	bcm_mkiovar("scb_probe", (char *)&scb_probe,
+		sizeof(wl_scb_probe_t), iovbuf, sizeof(iovbuf));
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
+		DHD_ERROR(("%s: max_scb_probe setting failed\n", __FUNCTION__));
+#undef NUM_SCB_MAX_PROBE
+	return;
+}
+#endif /* WL_CFG80211 */
+
+#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_DEV_INFO(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_DEV_INFO(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);
+	DHD_PERIM_LOCK(&dhd->pub);
+
+	/* Interface up check for built-in type */
+	if (!dhd_download_fw_on_driverload && dhd->pub.up == 0) {
+		DHD_ERROR(("%s: Interface is down \n", __FUNCTION__));
+		DHD_PERIM_UNLOCK(&dhd->pub);
+		DHD_OS_WAKE_UNLOCK(&dhd->pub);
+		return BCME_NOTUP;
+	}
+
+	/* 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_PERIM_UNLOCK(&dhd->pub);
+		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_PERIM_UNLOCK(&dhd->pub);
+		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_PERIM_UNLOCK(&dhd->pub);
+		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_PERIM_UNLOCK(&dhd->pub);
+		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;
+		}
+
+		DHD_PERIM_UNLOCK(&dhd->pub);
+		if (copy_from_user(local_buf, ioc.buf, buflen)) {
+			DHD_PERIM_LOCK(&dhd->pub);
+			bcmerror = BCME_BADADDR;
+			goto done;
+		}
+		DHD_PERIM_LOCK(&dhd->pub);
+
+		*(char *)(local_buf + buflen) = '\0';
+	}
+
+	bcmerror = dhd_ioctl_process(&dhd->pub, ifidx, &ioc, local_buf);
+
+	if (!bcmerror && buflen && local_buf && ioc.buf) {
+		DHD_PERIM_UNLOCK(&dhd->pub);
+		if (copy_to_user(ioc.buf, local_buf, buflen))
+			bcmerror = -EFAULT;
+		DHD_PERIM_LOCK(&dhd->pub);
+	}
+
+done:
+	if (local_buf)
+		MFREE(dhd->pub.osh, local_buf, buflen+1);
+
+	DHD_PERIM_UNLOCK(&dhd->pub);
+	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_DEV_INFO(net);
+	DHD_OS_WAKE_LOCK(&dhd->pub);
+	DHD_PERIM_LOCK(&dhd->pub);
+	DHD_TRACE(("%s: Enter %p\n", __FUNCTION__, net));
+	if (dhd->pub.up == 0) {
+		goto exit;
+	}
+
+	dhd_if_flush_sta(DHD_DEV_IFP(net));
+
+
+	ifidx = dhd_net2idx(dhd, net);
+	BCM_REFERENCE(ifidx);
+
+	/* Set state and stop OS transmissions */
+	netif_stop_queue(net);
+	dhd->pub.up = 0;
+
+#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);
+			}
+		}
+	}
+#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_PERIM_UNLOCK(&dhd->pub);
+	DHD_OS_WAKE_UNLOCK(&dhd->pub);
+	return 0;
+}
+
+#if defined(WL_CFG80211) && defined(USE_INITIAL_SHORT_DWELL_TIME)
+extern bool g_first_broadcast_scan;
+#endif 
+
+#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 */
+
+static int
+dhd_open(struct net_device *net)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(net);
+#ifdef TOE
+	uint32 toe_ol;
+#endif
+	int ifidx;
+	int32 ret = 0;
+
+
+
+#if defined(MULTIPLE_SUPPLICANT)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) && 1 && defined(BCMSDIO)
+	if (mutex_is_locked(&_dhd_sdio_mutex_lock_) != 0) {
+		DHD_ERROR(("%s : dhd_open: call dev open before insmod complete!\n", __FUNCTION__));
+	}
+	mutex_lock(&_dhd_sdio_mutex_lock_);
+#endif
+#endif /* MULTIPLE_SUPPLICANT */
+
+	DHD_OS_WAKE_LOCK(&dhd->pub);
+	DHD_PERIM_LOCK(&dhd->pub);
+	dhd->pub.dongle_trap_occured = 0;
+	dhd->pub.hang_was_sent = 0;
+
+#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_SHORT_DWELL_TIME)
+			g_first_broadcast_scan = TRUE;
+#endif 
+			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 */
+			DHD_PERIM_UNLOCK(&dhd->pub);
+			ret = dhd_bus_start(&dhd->pub);
+			DHD_PERIM_LOCK(&dhd->pub);
+			if (ret) {
+				DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret));
+				ret = -1;
+				goto exit;
+			}
+
+		}
+
+		/* dhd_sync_with_dongle 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;
+		}
+		dhd_set_scb_probe(&dhd->pub);
+#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_PERIM_UNLOCK(&dhd->pub);
+	DHD_OS_WAKE_UNLOCK(&dhd->pub);
+
+#if defined(MULTIPLE_SUPPLICANT)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) && 1 && defined(BCMSDIO)
+	mutex_unlock(&_dhd_sdio_mutex_lock_);
+#endif
+#endif /* MULTIPLE_SUPPLICANT */
+
+	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;
+	}
+
+#ifdef MULTIPLE_SUPPLICANT
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) && 1 && defined(BCMSDIO)
+	if (mutex_is_locked(&_dhd_sdio_mutex_lock_) != 0) {
+		DHD_ERROR(("%s : dhdsdio_probe is already running!\n", __FUNCTION__));
+		return 0;
+	}
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */
+#endif /* MULTIPLE_SUPPLICANT */
+
+	/*  && defined(OEM_ANDROID) && defined(BCMSDIO) */
+	dhd = DHD_DEV_INFO(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));
+
+		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(dhdinfo->dhd_deferred_wq, (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;
+
+#ifdef WL_CFG80211
+	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));
+	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(dhdinfo->dhd_deferred_wq, (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)
+{
+	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));
+
+			dhd_dev_priv_clear(ifp->net); /* clear net_device private */
+
+			/* 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(DHD_DEV_PRIV_SIZE);
+	if (ifp->net == NULL) {
+		DHD_ERROR(("%s: OOM - alloc_etherdev(%zu)\n", __FUNCTION__, sizeof(dhdinfo)));
+		goto fail;
+	}
+
+	/* Setup the dhd interface's netdevice private structure. */
+	dhd_dev_priv_save(ifp->net, dhdinfo, ifp, ifidx);
+
+	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;
+
+#ifdef PCIE_FULL_DONGLE
+	/* Initialize STA info list */
+	INIT_LIST_HEAD(&ifp->sta_list);
+	DHD_IF_STA_LIST_LOCK_INIT(ifp);
+#endif /* PCIE_FULL_DONGLE */
+
+	return ifp->net;
+
+fail:
+	if (ifp != NULL) {
+		if (ifp->net != NULL) {
+			dhd_dev_priv_clear(ifp->net);
+			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;
+		}
+#ifdef DHD_WMF
+		dhd_wmf_cleanup(dhdpub, ifidx);
+#endif /* DHD_WMF */
+
+		dhd_if_del_sta_list(ifp);
+
+		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
+};
+#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";
+module_param(logstrs_path, charp, S_IRUGO);
+
+int
+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;
+	set_fs(KERNEL_DS);
+	fs = get_fs();
+	filep = filp_open(logstrs_path, O_RDONLY, 0);
+	if (IS_ERR(filep)) {
+		DHD_ERROR(("Failed to open the file logstrs.bin in %s",  __FUNCTION__));
+		goto fail;
+	}
+	error = vfs_stat(logstrs_path, &stat);
+	if (error) {
+		DHD_ERROR(("Failed in %s to find file stat", __FUNCTION__));
+		goto fail;
+	}
+	logstrs_size = (int) stat.size;
+
+	raw_fmts = kmalloc(logstrs_size, GFP_KERNEL);
+	if (raw_fmts == NULL) {
+		DHD_ERROR(("Failed to allocate raw_fmts memory"));
+		goto fail;
+	}
+	if (vfs_read(filep, raw_fmts, logstrs_size, &filep->f_pos) !=	logstrs_size) {
+		DHD_ERROR(("Error: Log strings file read failed"));
+		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 0;
+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 -1;
+}
+#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;
+
+	dhd_attach_states_t dhd_state = DHD_ATTACH_STATE_INIT;
+	DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+	/* will implement get_ids for DBUS later */
+#if defined(BCMSDIO)
+	dhd_bus_get_ids(bus, &bus_type, &bus_num, &slot_num);
+#endif 
+	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->unit = dhd_found + instance_base; /* do not increment dhd_found, yet */
+
+	dhd->pub.osh = osh;
+	dhd->adapter = adapter;
+
+#ifdef GET_CUSTOM_MAC_ENABLE
+	wifi_platform_get_mac_addr(dhd->adapter, dhd->pub.mac.octet);
+#endif /* GET_CUSTOM_MAC_ENABLE */
+	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);
+	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;
+#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)) && 1
+	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);
+#endif /* SHOW_LOGTRACE */
+
+	if (dhd_sta_pool_init(&dhd->pub, DHD_MAX_STA) != BCME_OK) {
+		DHD_ERROR(("%s: Initializing %u sta\n", __FUNCTION__, DHD_MAX_STA));
+		goto fail;
+	}
+
+
+	/* 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");
+
+	} 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");
+	} 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");
+	}
+
+	dhd_state |= DHD_ATTACH_STATE_THREADS_CREATED;
+
+#if defined(CONFIG_PM_SLEEP)
+	if (!dhd_pm_notifier_registered) {
+		dhd_pm_notifier_registered = TRUE;
+		register_pm_notifier(&dhd_pm_notifier);
+	}
+#endif /* CONFIG_PM_SLEEP */
+
+#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 */
+#ifdef CONFIG_IPV6
+	if (!dhd_inet6addr_notifier_registered) {
+		dhd_inet6addr_notifier_registered = TRUE;
+		register_inet6addr_notifier(&dhd_inet6addr_notifier);
+	}
+#endif
+	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
+#ifdef BCMSDIO
+	dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_DELAYTX);
+#elif defined(BCMPCIE)
+	dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_REPLACE);
+#else
+	dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF);
+#endif /* BCMSDIO */
+#endif /* DHDTCPACK_SUPPRESS */
+
+	dhd_state |= DHD_ATTACH_STATE_DONE;
+	dhd->dhd_state = dhd_state;
+
+	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 (dhdinfo->fw_path[0] == '\0') {
+		if (adapter && adapter->fw_path && adapter->fw_path[0] != '\0')
+			fw = adapter->fw_path;
+
+	}
+	if (dhdinfo->nv_path[0] == '\0') {
+		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';
+
+#ifndef BCMEMBEDIMAGE
+	/* fw_path and nv_path are not mandatory for BCMEMBEDIMAGE */
+	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;
+	}
+#endif /* BCMEMBEDIMAGE */
+
+	return TRUE;
+}
+
+
+#ifdef EXYNOS5433_PCIE_WAR
+extern int enum_wifi;
+#endif /* EXYNOS5433_PCIE_WAR */
+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__));
+
+	DHD_PERIM_LOCK(dhdp);
+
+	/* 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) {
+#ifdef EXYNOS5433_PCIE_WAR
+			enum_wifi = 0;
+#endif /* EXYNOS5433_PCIE_WAR */
+			DHD_ERROR(("%s: failed to download firmware %s\n",
+			          __FUNCTION__, dhd->fw_path));
+			DHD_PERIM_UNLOCK(dhdp);
+			return ret;
+		}
+#ifdef EXYNOS5433_PCIE_WAR
+		enum_wifi = 1;
+#endif /* EXYNOS5433_PCIE_WAR */
+	}
+	if (dhd->pub.busstate != DHD_BUS_LOAD) {
+		DHD_PERIM_UNLOCK(dhdp);
+		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);
+		DHD_PERIM_UNLOCK(dhdp);
+		return ret;
+	}
+#if defined(OOB_INTR_ONLY)
+	/* Host registration for OOB interrupt */
+	if (dhd_bus_oob_intr_register(dhdp)) {
+		/* deactivate timer and wait for the handler to finish */
+
+		DHD_GENERAL_LOCK(&dhd->pub, flags);
+		dhd->wd_timer_valid = FALSE;
+		DHD_GENERAL_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_PERIM_UNLOCK(dhdp);
+		DHD_OS_WD_WAKE_UNLOCK(&dhd->pub);
+		return -ENODEV;
+	}
+
+	/* Enable oob at firmware */
+	dhd_enable_oob_intr(dhd->pub.bus, TRUE);
+#endif 
+#ifdef PCIE_FULL_DONGLE
+	{
+		uint8 txpush = 0;
+		uint32 num_flowrings; /* includes H2D common rings */
+		num_flowrings = dhd_bus_max_h2d_queues(dhd->pub.bus, &txpush);
+		DHD_ERROR(("%s: Initializing %u flowrings\n", __FUNCTION__,
+			num_flowrings));
+		if ((ret = dhd_flow_rings_init(&dhd->pub, num_flowrings)) != BCME_OK) {
+			dhd_os_sdunlock(dhdp);
+			DHD_PERIM_UNLOCK(dhdp);
+			return ret;
+		}
+	}
+#endif /* PCIE_FULL_DONGLE */
+
+	/* Do protocol initialization necessary for IOCTL/IOVAR */
+	dhd_prot_init(&dhd->pub);
+
+	/* If bus is not ready, can't come up */
+	if (dhd->pub.busstate != DHD_BUS_DATA) {
+		DHD_GENERAL_LOCK(&dhd->pub, flags);
+		dhd->wd_timer_valid = FALSE;
+		DHD_GENERAL_UNLOCK(&dhd->pub, flags);
+		del_timer_sync(&dhd->timer);
+		DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__));
+		dhd_os_sdunlock(dhdp);
+		DHD_PERIM_UNLOCK(dhdp);
+		DHD_OS_WD_WAKE_UNLOCK(&dhd->pub);
+		return -ENODEV;
+	}
+
+	dhd_os_sdunlock(dhdp);
+
+	/* Bus is ready, query any dongle information */
+	if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0) {
+		DHD_PERIM_UNLOCK(dhdp);
+		return ret;
+	}
+
+#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 */
+
+	DHD_PERIM_UNLOCK(dhdp);
+	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_DEV_INFO(dev);
+	int ret = 0;
+	if (dhd)
+		ret = _dhd_tdls_enable(&dhd->pub, tdls_on, auto_on, mac);
+	else
+		ret = BCME_ERROR;
+	return ret;
+}
+#ifdef PCIE_FULL_DONGLE
+void dhd_tdls_update_peer_info(struct net_device *dev, bool connect, uint8 *da)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(dev);
+	dhd_pub_t *dhdp =  (dhd_pub_t *)&dhd->pub;
+	tdls_peer_node_t *cur = dhdp->peer_tbl.node;
+	tdls_peer_node_t *new = NULL, *prev = NULL;
+	dhd_if_t *dhdif;
+	uint8 sa[ETHER_ADDR_LEN];
+	int ifidx = dhd_net2idx(dhd, dev);
+
+	if (ifidx == DHD_BAD_IF)
+		return;
+
+	dhdif = dhd->iflist[ifidx];
+	memcpy(sa, dhdif->mac_addr, ETHER_ADDR_LEN);
+
+	if (connect) {
+		while (cur != NULL) {
+			if (!memcmp(da, cur->addr, ETHER_ADDR_LEN)) {
+				DHD_ERROR(("%s: TDLS Peer exist already %d\n",
+					__FUNCTION__, __LINE__));
+				return;
+			}
+			cur = cur->next;
+		}
+
+		new = MALLOC(dhdp->osh, sizeof(tdls_peer_node_t));
+		if (new == NULL) {
+			DHD_ERROR(("%s: Failed to allocate memory\n", __FUNCTION__));
+			return;
+		}
+		memcpy(new->addr, da, ETHER_ADDR_LEN);
+		new->next = dhdp->peer_tbl.node;
+		dhdp->peer_tbl.node = new;
+		dhdp->peer_tbl.tdls_peer_count++;
+
+	} else {
+		while (cur != NULL) {
+			if (!memcmp(da, cur->addr, ETHER_ADDR_LEN)) {
+				dhd_flow_rings_delete_for_peer(dhdp, ifidx, da);
+				if (prev)
+					prev->next = cur->next;
+				else
+					dhdp->peer_tbl.node = cur->next;
+				MFREE(dhdp->osh, cur, sizeof(tdls_peer_node_t));
+				dhdp->peer_tbl.tdls_peer_count--;
+				return;
+			}
+			prev = cur;
+			cur = cur->next;
+		}
+		DHD_ERROR(("%s: TDLS Peer Entry Not found\n", __FUNCTION__));
+	}
+}
+#endif /* PCIE_FULL_DONGLE */
+#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 
+#if defined(READ_CONFIG_FROM_FILE)
+#include <linux/fs.h>
+#include <linux/ctype.h>
+
+#define strtoul(nptr, endptr, base) bcm_strtoul((nptr), (endptr), (base))
+bool PM_control = TRUE;
+
+static int dhd_preinit_proc(dhd_pub_t *dhd, int ifidx, char *name, char *value)
+{
+	int var_int;
+	wl_country_t cspec = {{0}, -1, {0}};
+	char *revstr;
+	char *endptr = NULL;
+	int iolen;
+	char smbuf[WLC_IOCTL_SMLEN*2];
+
+	if (!strcmp(name, "country")) {
+		revstr = strchr(value, '/');
+		if (revstr) {
+			cspec.rev = strtoul(revstr + 1, &endptr, 10);
+			memcpy(cspec.country_abbrev, value, WLC_CNTRY_BUF_SZ);
+			cspec.country_abbrev[2] = '\0';
+			memcpy(cspec.ccode, cspec.country_abbrev, WLC_CNTRY_BUF_SZ);
+		} else {
+			cspec.rev = -1;
+			memcpy(cspec.country_abbrev, value, WLC_CNTRY_BUF_SZ);
+			memcpy(cspec.ccode, value, WLC_CNTRY_BUF_SZ);
+			get_customized_country_code(dhd->info->adapter,
+				(char *)&cspec.country_abbrev, &cspec);
+		}
+		memset(smbuf, 0, sizeof(smbuf));
+		DHD_ERROR(("config country code is country : %s, rev : %d !!\n",
+			cspec.country_abbrev, cspec.rev));
+		iolen = bcm_mkiovar("country", (char*)&cspec, sizeof(cspec),
+			smbuf, sizeof(smbuf));
+		return dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR,
+			smbuf, iolen, TRUE, 0);
+	} else if (!strcmp(name, "roam_scan_period")) {
+		var_int = (int)simple_strtol(value, NULL, 0);
+		return dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_SCAN_PERIOD,
+			&var_int, sizeof(var_int), TRUE, 0);
+	} else if (!strcmp(name, "roam_delta")) {
+		struct {
+			int val;
+			int band;
+		} x;
+		x.val = (int)simple_strtol(value, NULL, 0);
+		/* x.band = WLC_BAND_AUTO; */
+		x.band = WLC_BAND_ALL;
+		return dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_DELTA, &x, sizeof(x), TRUE, 0);
+	} else if (!strcmp(name, "roam_trigger")) {
+		int ret = 0;
+
+		roam_trigger[0] = (int)simple_strtol(value, NULL, 0);
+		roam_trigger[1] = WLC_BAND_ALL;
+		ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_TRIGGER, &roam_trigger,
+			sizeof(roam_trigger), TRUE, 0);
+
+		return ret;
+	} else if (!strcmp(name, "PM")) {
+		int ret = 0;
+		var_int = (int)simple_strtol(value, NULL, 0);
+
+		ret =  dhd_wl_ioctl_cmd(dhd, WLC_SET_PM,
+			&var_int, sizeof(var_int), TRUE, 0);
+
+#if defined(CONFIG_PM_LOCK)
+		if (var_int == 0) {
+			g_pm_control = TRUE;
+			printk("%s var_int=%d don't control PM\n", __func__, var_int);
+		} else {
+			g_pm_control = FALSE;
+			printk("%s var_int=%d do control PM\n", __func__, var_int);
+		}
+#endif
+
+		return ret;
+	}
+#ifdef WLBTAMP
+	else if (!strcmp(name, "btamp_chan")) {
+		int btamp_chan;
+		int iov_len = 0;
+		char iovbuf[128];
+		int ret;
+
+		btamp_chan = (int)simple_strtol(value, NULL, 0);
+		iov_len = bcm_mkiovar("btamp_chan", (char *)&btamp_chan, 4, iovbuf, sizeof(iovbuf));
+		if ((ret  = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, 0) < 0))
+			DHD_ERROR(("%s btamp_chan=%d set failed code %d\n",
+				__FUNCTION__, btamp_chan, ret));
+		else
+			DHD_ERROR(("%s btamp_chan %d set success\n",
+				__FUNCTION__, btamp_chan));
+	}
+#endif /* WLBTAMP */
+	else if (!strcmp(name, "band")) {
+		int ret;
+		if (!strcmp(value, "auto"))
+			var_int = WLC_BAND_AUTO;
+		else if (!strcmp(value, "a"))
+			var_int = WLC_BAND_5G;
+		else if (!strcmp(value, "b"))
+			var_int = WLC_BAND_2G;
+		else if (!strcmp(value, "all"))
+			var_int = WLC_BAND_ALL;
+		else {
+			printk(" set band value should be one of the a or b or all\n");
+			var_int = WLC_BAND_AUTO;
+		}
+		if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_BAND, &var_int,
+			sizeof(var_int), TRUE, 0)) < 0)
+			printk(" set band err=%d\n", ret);
+		return ret;
+	} else if (!strcmp(name, "cur_etheraddr")) {
+		struct ether_addr ea;
+		char buf[32];
+		uint iovlen;
+		int ret;
+
+		bcm_ether_atoe(value, &ea);
+
+		ret = memcmp(&ea.octet, dhd->mac.octet, ETHER_ADDR_LEN);
+		if (ret == 0) {
+			DHD_ERROR(("%s: Same Macaddr\n", __FUNCTION__));
+			return 0;
+		}
+
+		DHD_ERROR(("%s: Change Macaddr = %02X:%02X:%02X:%02X:%02X:%02X\n", __FUNCTION__,
+			ea.octet[0], ea.octet[1], ea.octet[2],
+			ea.octet[3], ea.octet[4], ea.octet[5]));
+
+		iovlen = bcm_mkiovar("cur_etheraddr", (char*)&ea, ETHER_ADDR_LEN, buf, 32);
+
+		ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, iovlen, TRUE, 0);
+		if (ret < 0) {
+			DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret));
+			return ret;
+		}
+		else {
+			memcpy(dhd->mac.octet, (void *)&ea, ETHER_ADDR_LEN);
+			return ret;
+		}
+	} else {
+		uint iovlen;
+		char iovbuf[WLC_IOCTL_SMLEN];
+
+		/* wlu_iovar_setint */
+		var_int = (int)simple_strtol(value, NULL, 0);
+
+		/* Setup timeout bcn_timeout from dhd driver 4.217.48 */
+		if (!strcmp(name, "roam_off")) {
+			/* Setup timeout if Beacons are lost to report link down */
+			if (var_int) {
+				uint bcn_timeout = 2;
+				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 timeout bcm_timeout from dhd driver 4.217.48 */
+
+		DHD_INFO(("%s:[%s]=[%d]\n", __FUNCTION__, name, var_int));
+
+		iovlen = bcm_mkiovar(name, (char *)&var_int, sizeof(var_int),
+			iovbuf, sizeof(iovbuf));
+		return dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR,
+			iovbuf, iovlen, TRUE, 0);
+	}
+
+	return 0;
+}
+
+static int dhd_preinit_config(dhd_pub_t *dhd, int ifidx)
+{
+	mm_segment_t old_fs;
+	struct kstat stat;
+	struct file *fp = NULL;
+	unsigned int len;
+	char *buf = NULL, *p, *name, *value;
+	int ret = 0;
+	char *config_path;
+
+	config_path = CONFIG_BCMDHD_CONFIG_PATH;
+
+	if (!config_path)
+	{
+		printk(KERN_ERR "config_path can't read. \n");
+		return 0;
+	}
+
+	old_fs = get_fs();
+	set_fs(get_ds());
+	if ((ret = vfs_stat(config_path, &stat))) {
+		set_fs(old_fs);
+		printk(KERN_ERR "%s: Failed to get information (%d)\n",
+			config_path, ret);
+		return ret;
+	}
+	set_fs(old_fs);
+
+	if (!(buf = MALLOC(dhd->osh, stat.size + 1))) {
+		printk(KERN_ERR "Failed to allocate memory %llu bytes\n", stat.size);
+		return -ENOMEM;
+	}
+
+	printk("dhd_preinit_config : config path : %s \n", config_path);
+
+	if (!(fp = dhd_os_open_image(config_path)) ||
+		(len = dhd_os_get_image_block(buf, stat.size, fp)) < 0)
+		goto err;
+
+	buf[stat.size] = '\0';
+	for (p = buf; *p; p++) {
+		if (isspace(*p))
+			continue;
+		for (name = p++; *p && !isspace(*p); p++) {
+			if (*p == '=') {
+				*p = '\0';
+				p++;
+				for (value = p; *p && !isspace(*p); p++);
+				*p = '\0';
+				if ((ret = dhd_preinit_proc(dhd, ifidx, name, value)) < 0) {
+					printk(KERN_ERR "%s: %s=%s\n",
+						bcmerrorstr(ret), name, value);
+				}
+				break;
+			}
+		}
+	}
+	ret = 0;
+
+out:
+	if (fp)
+		dhd_os_close_image(fp);
+	if (buf)
+		MFREE(dhd->osh, buf, stat.size+1);
+	return ret;
+
+err:
+	ret = -1;
+	goto out;
+}
+#endif /* READ_CONFIG_FROM_FILE */
+
+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  */
+	uint32 buf_key_b4_m4 = 1;
+	uint8 msglen;
+	eventmsgs_ext_t *eventmask_msg;
+	char iov_buf[WLC_IOCTL_SMLEN];
+	int ret2 = 0;
+#ifdef WLAIBSS
+	aibss_bcn_force_config_t bcn_config;
+	uint32 aibss;
+#ifdef WLAIBSS_PS
+	uint32 aibss_ps;
+#endif /* WLAIBSS_PS */
+#endif /* WLAIBSS */
+#if defined(BCMSUP_4WAY_HANDSHAKE) && defined(WLAN_AKM_SUITE_FT_8021X)
+	uint32 sup_wpa = 0;
+#endif
+#if defined(CUSTOM_AMPDU_BA_WSIZE) || (defined(WLAIBSS) && \
+	defined(CUSTOM_IBSS_AMPDU_BA_WSIZE))
+	uint32 ampdu_ba_wsize = 0;
+#endif /* CUSTOM_AMPDU_BA_WSIZE ||(WLAIBSS && CUSTOM_IBSS_AMPDU_BA_WSIZE) */
+#if defined(CUSTOM_AMPDU_MPDU)
+	int32 ampdu_mpdu = 0;
+#endif
+#if defined(CUSTOM_AMPDU_RELEASE)
+	int32 ampdu_release = 0;
+#endif
+
+#if defined(BCMSDIO)
+#ifdef PROP_TXSTATUS
+	int wlfc_enable = TRUE;
+#ifndef DISABLE_11N
+	uint32 hostreorder = 1;
+#endif /* DISABLE_11N */
+#endif /* PROP_TXSTATUS */
+#endif 
+#ifdef PCIE_FULL_DONGLE
+	uint32 wl_ap_isolate;
+#endif /* PCIE_FULL_DONGLE */
+
+#ifdef DHD_ENABLE_LPC
+	uint32 lpc = 1;
+#endif /* DHD_ENABLE_LPC */
+	uint power_mode = PM_FAST;
+	uint32 dongle_align = DHD_SDALIGN;
+#if defined(BCMSDIO)
+	uint32 glom = CUSTOM_GLOM_SETTING;
+#endif /* defined(BCMSDIO) */
+#if defined(CUSTOMER_HW2) && defined(USE_WL_CREDALL)
+	uint32 credall = 1;
+#endif
+#if defined(VSDB) || defined(ROAM_ENABLE)
+	uint bcn_timeout = 10;
+#else
+	uint bcn_timeout = 4;
+#endif 
+	uint retry_max = 3;
+#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 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
+#ifdef BCMCCX
+	uint32 ccx = 1;
+#endif
+
+#if (defined(AP) || defined(WLP2P)) && !defined(SOFTAP_AND_GC)
+	uint32 apsta = 1; /* Enable APSTA mode */
+#elif defined(SOFTAP_AND_GC)
+	uint32 apsta = 0;
+	int ap_mode = 1;
+#endif /* (defined(AP) || defined(WLP2P)) && !defined(SOFTAP_AND_GC) */
+#ifdef GET_CUSTOM_MAC_ENABLE
+	struct ether_addr ea_addr;
+#endif /* GET_CUSTOM_MAC_ENABLE */
+
+#ifdef DISABLE_11N
+	uint32 nmode = 0;
+#endif /* DISABLE_11N */
+
+#if defined(DISABLE_11AC)
+	uint32 vhtmode = 0;
+#endif /* DISABLE_11AC */
+#ifdef USE_WL_TXBF
+	uint32 txbf = 1;
+#endif /* USE_WL_TXBF */
+#ifdef AMPDU_VO_ENABLE
+	struct ampdu_tid_control tid;
+#endif
+#ifdef USE_WL_FRAMEBURST
+	uint32 frameburst = 1;
+#endif /* USE_WL_FRAMEBURST */
+#ifdef DHD_SET_FW_HIGHSPEED
+	uint32 ack_ratio = 250;
+	uint32 ack_ratio_depth = 64;
+#endif /* DHD_SET_FW_HIGHSPEED */
+#ifdef SUPPORT_2G_VHT
+	uint32 vht_features = 0x3; /* 2G enable | rates all */
+#endif /* SUPPORT_2G_VHT */
+#ifdef CUSTOM_PSPRETEND_THR
+	uint32 pspretend_thr = CUSTOM_PSPRETEND_THR;
+#endif
+#ifdef PKT_FILTER_SUPPORT
+	dhd_pkt_filter_enable = TRUE;
+#endif /* PKT_FILTER_SUPPORT */
+	char btc_flag4_default[8]   = { 4, 00, 00, 00, 0x0, 0x00, 0x00, 0x00};
+#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));
+			}
+
+#if defined(SOFTAP_AND_GC)
+		if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_AP,
+			(char *)&ap_mode, sizeof(ap_mode), TRUE, 0)) < 0) {
+				DHD_ERROR(("%s WLC_SET_AP failed %d\n", __FUNCTION__, ret));
+		}
+#endif
+			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_11AC)
+	bcm_mkiovar("vhtmode", (char *)&vhtmode, 4, iovbuf, sizeof(iovbuf));
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
+		DHD_ERROR(("%s wl vhtmode 0 failed %d\n", __FUNCTION__, ret));
+#endif /* DISABLE_11AC */
+
+	/* Set btc coex flags 4 */
+	bcm_mkiovar("btc_flags", (char *)&btc_flag4_default[0], sizeof(btc_flag4_default), iovbuf, sizeof(iovbuf));
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
+		DHD_ERROR(("%s btc_flags set failed %d\n", __FUNCTION__, ret));
+
+	/* 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));
+#endif /* ROAM_ENABLE */
+
+#ifdef BCMCCX
+	bcm_mkiovar("ccx_enable", (char *)&ccx, 4, iovbuf, sizeof(iovbuf));
+	dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
+#endif /* BCMCCX */
+#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));
+	}
+#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 defined(BCMSDIO)
+	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);
+	}
+#endif /* defined(BCMSDIO) */
+
+	/* 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
+	/* 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 */
+#ifdef DHD_SET_FW_HIGHSPEED
+	/* Set ack_ratio */
+	bcm_mkiovar("ack_ratio", (char *)&ack_ratio, 4, iovbuf, sizeof(iovbuf));
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
+		sizeof(iovbuf), TRUE, 0)) < 0) {
+		DHD_ERROR(("%s Set ack_ratio failed  %d\n", __FUNCTION__, ret));
+	}
+
+	/* Set ack_ratio_depth */
+	bcm_mkiovar("ack_ratio_depth", (char *)&ack_ratio_depth, 4, iovbuf, sizeof(iovbuf));
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
+		sizeof(iovbuf), TRUE, 0)) < 0) {
+		DHD_ERROR(("%s Set ack_ratio_depth failed  %d\n", __FUNCTION__, ret));
+	}
+#endif /* DHD_SET_FW_HIGHSPEED */
+#if defined(CUSTOM_AMPDU_BA_WSIZE) || (defined(WLAIBSS) && \
+	defined(CUSTOM_IBSS_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 defined(WLAIBSS) && defined(CUSTOM_IBSS_AMPDU_BA_WSIZE)
+	if (dhd->op_mode == DHD_FLAG_IBSS_MODE)
+		ampdu_ba_wsize = CUSTOM_IBSS_AMPDU_BA_WSIZE;
+#endif /* WLAIBSS && CUSTOM_IBSS_AMPDU_BA_WSIZE */
+	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 /* CUSTOM_AMPDU_BA_WSIZE || (WLAIBSS && CUSTOM_IBSS_AMPDU_BA_WSIZE) */
+
+#ifdef WLAIBSS
+	/* Configure custom IBSS beacon transmission */
+	if (dhd->op_mode & DHD_FLAG_IBSS_MODE)
+	{
+		aibss = 1;
+		bcm_mkiovar("aibss", (char *)&aibss, 4, iovbuf, sizeof(iovbuf));
+		if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
+			sizeof(iovbuf), TRUE, 0)) < 0) {
+			DHD_ERROR(("%s Set aibss to %d failed  %d\n",
+				__FUNCTION__, aibss, ret));
+		}
+#ifdef WLAIBSS_PS
+		aibss_ps = 1;
+		bcm_mkiovar("aibss_ps", (char *)&aibss_ps, 4, iovbuf, sizeof(iovbuf));
+		if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf,
+			sizeof(iovbuf), TRUE, 0)) < 0) {
+			DHD_ERROR(("%s Set aibss PS to %d failed  %d\n",
+				__FUNCTION__, aibss, ret));
+		}
+#endif /* WLAIBSS_PS */
+	}
+	memset(&bcn_config, 0, sizeof(bcn_config));
+	bcn_config.initial_min_bcn_dur = AIBSS_INITIAL_MIN_BCN_DUR;
+	bcn_config.min_bcn_dur = AIBSS_MIN_BCN_DUR;
+	bcn_config.bcn_flood_dur = AIBSS_BCN_FLOOD_DUR;
+	bcn_config.version = AIBSS_BCN_FORCE_CONFIG_VER_0;
+	bcn_config.len = sizeof(bcn_config);
+
+	bcm_mkiovar("aibss_bcn_force_config", (char *)&bcn_config,
+		sizeof(aibss_bcn_force_config_t), 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 Set aibss_bcn_force_config to %d, %d, %d failed %d\n",
+			__FUNCTION__, AIBSS_INITIAL_MIN_BCN_DUR, AIBSS_MIN_BCN_DUR,
+			AIBSS_BCN_FLOOD_DUR, ret));
+	}
+#endif /* WLAIBSS */
+
+#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 */
+
+#if defined(CUSTOM_AMPDU_RELEASE)
+	ampdu_release = CUSTOM_AMPDU_RELEASE;
+	if (ampdu_release != 0 && (ampdu_release <= ampdu_ba_wsize)) {
+		bcm_mkiovar("ampdu_release", (char *)&ampdu_release, 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_release to %d failed  %d\n",
+				__FUNCTION__, CUSTOM_AMPDU_RELEASE, ret));
+		}
+	}
+#endif /* CUSTOM_AMPDU_RELEASE */
+
+#if defined(BCMSUP_4WAY_HANDSHAKE) && defined(WLAN_AKM_SUITE_FT_8021X)
+	/* Read 4-way handshake requirements */
+	if (dhd_use_idsup == 1) {
+		bcm_mkiovar("sup_wpa", (char *)&sup_wpa, 4, iovbuf, sizeof(iovbuf));
+		ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0);
+		/* sup_wpa iovar returns NOTREADY status on some platforms using modularized
+		 * in-dongle supplicant.
+		 */
+		if (ret >= 0 || ret == BCME_NOTREADY)
+			dhd->fw_4way_handshake = TRUE;
+		DHD_TRACE(("4-way handshake mode is: %d\n", dhd->fw_4way_handshake));
+	}
+#endif /* BCMSUP_4WAY_HANDSHAKE && WLAN_AKM_SUITE_FT_8021X */
+#ifdef SUPPORT_2G_VHT
+	bcm_mkiovar("vht_features", (char *)&vht_features, 4, iovbuf, sizeof(iovbuf));
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) {
+		DHD_ERROR(("%s vht_features set failed %d\n", __FUNCTION__, ret));
+	}
+#endif /* SUPPORT_2G_VHT */
+#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_AUTH_IND);
+	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 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 BCMCCX
+	setbit(eventmask, WLC_E_ADDTS_IND);
+	setbit(eventmask, WLC_E_DELTS_IND);
+#endif /* BCMCCX */
+#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 */
+#ifdef WLAIBSS
+	setbit(eventmask, WLC_E_AIBSS_TXFAIL);
+#endif /* WLAIBSS */
+	setbit(eventmask, WLC_E_TRACE);
+
+	/* 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);
+
+#ifdef BT_WIFI_HANDOVER
+		setbit(eventmask_msg->mask, WLC_E_BT_WIFI_HANDOVER_REQ);
+#endif /* BT_WIFI_HANDOVER */
+
+		/* 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 */
+
+#ifdef AMPDU_VO_ENABLE
+	tid.tid = PRIO_8021D_VO; /* Enable TID(6) for voice */
+	tid.enable = TRUE;
+	bcm_mkiovar("ampdu_tid", (char *)&tid, sizeof(tid), iovbuf, sizeof(iovbuf));
+	dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
+
+	tid.tid = PRIO_8021D_NC; /* Enable TID(7) for voice */
+	tid.enable = TRUE;
+	bcm_mkiovar("ampdu_tid", (char *)&tid, sizeof(tid), iovbuf, sizeof(iovbuf));
+	dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
+#endif
+#if defined(SOFTAP_TPUT_ENHANCE)
+	if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
+		dhd_bus_setidletime(dhd, (int)100);
+#ifdef DHDTCPACK_SUPPRESS
+		dhd->tcpack_sup_enabled = FALSE;
+#endif
+#if defined(DHD_TCP_WINSIZE_ADJUST)
+		dhd_use_tcp_window_size_adjust = TRUE;
+#endif
+
+		memset(buf, 0, sizeof(buf));
+		bcm_mkiovar("bus:txglom_auto_control", 0, 0, buf, sizeof(buf));
+		if ((ret  = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), FALSE, 0)) < 0) {
+			glom = 0;
+			bcm_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf));
+			dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
+		}
+		else {
+			if (buf[0] == 0) {
+				glom = 1;
+				bcm_mkiovar("bus:txglom_auto_control", (char *)&glom, 4, iovbuf,
+				sizeof(iovbuf));
+				dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
+			}
+		}
+	}
+#endif /* SOFTAP_TPUT_ENHANCE */
+	/* 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));
+#if defined(BCMSDIO)
+		dhd_set_version_info(dhd, buf);
+#endif /* defined(BCMSDIO) */
+	}
+
+#if defined(BCMSDIO)
+	dhd_txglom_enable(dhd, TRUE);
+#endif /* defined(BCMSDIO) */
+
+#if defined(BCMSDIO)
+#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;
+	}
+
+	if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
+		/* Set PowerSave mode */
+		power_mode = PM_OFF;
+		dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0);
+		/* Turn off MPC in AP mode */
+		mpc = 0;
+		bcm_mkiovar("mpc", (char *)&mpc, 4, iovbuf, sizeof(iovbuf));
+		dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
+		//brcm, cg, enable proptxstatus in softap mode
+		wlfc_enable = TRUE;
+		DHD_ERROR(("proptxstatus enable in softap mode\n"));
+		} else {
+		//brcm, cg, disable proptxstatus in none-softap mode
+		wlfc_enable = FALSE;
+		DHD_ERROR(("proptxstatus disable in none-softap mode\n"));
+	}
+
+
+#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 (ret2 != BCME_OK)
+			hostreorder = 0;
+	}
+#endif /* DISABLE_11N */
+
+#ifdef READ_CONFIG_FROM_FILE
+	dhd_preinit_config(dhd, 0);
+#endif /* READ_CONFIG_FROM_FILE */
+
+	if (wlfc_enable)
+		dhd_wlfc_init(dhd);
+#ifndef DISABLE_11N
+	else if (hostreorder)
+		dhd_wlfc_hostreorder_init(dhd);
+#endif /* DISABLE_11N */
+
+#endif /* PROP_TXSTATUS */
+#endif /* BCMSDIO || BCMBUS */
+#ifdef PCIE_FULL_DONGLE
+	/* For FD we need all the packets at DHD to handle intra-BSS forwarding */
+	if (FW_SUPPORTED(dhd, ap)) {
+		wl_ap_isolate = AP_ISOLATE_SENDUP_ALL;
+		bcm_mkiovar("ap_isolate", (char *)&wl_ap_isolate, 4, iovbuf, sizeof(iovbuf));
+		if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
+			DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret));
+	}
+#endif /* PCIE_FULL_DONGLE */
+#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_DEV_INFO(ifa->ifa_dev->dev);
+	if (!dhd)
+		return NOTIFY_DONE;
+
+	dhd_pub = &dhd->pub;
+
+	if (dhd_pub->arp_version == 1) {
+		idx = 0;
+	}
+	else {
+		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 */
+
+#ifdef CONFIG_IPV6
+/* 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_DEV_INFO(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(dhd->dhd_deferred_wq, (void *)ndo_info, DHD_WQ_WORK_IPV6_NDO,
+		dhd_inet6_work_handler, DHD_WORK_PRIORITY_LOW);
+	return NOTIFY_DONE;
+}
+#endif /* #ifdef CONFIG_IPV6 */
+
+int
+dhd_register_if(dhd_pub_t *dhdp, int ifidx, bool need_rtnl_lock)
+{
+	dhd_info_t *dhd = (dhd_info_t *)dhdp->info;
+	dhd_if_t *ifp;
+	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]);
+	ifp = dhd->iflist[ifidx];
+	net = ifp->net;
+	ASSERT(net && (ifp->idx == ifidx));
+
+#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) */
+
+	/* 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, ifp->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 1 && (defined(BCMPCIE) || (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) {
+			dhd_net_bus_devreset(net, TRUE);
+#ifdef BCMLXSDMMC
+			dhd_net_bus_suspend(net);
+#endif /* BCMLXSDMMC */
+			wifi_platform_set_power(dhdp->info->adapter, FALSE, WIFI_TURNOFF_DELAY);
+		}
+	}
+#endif /* OEM_ANDROID && (BCMPCIE || (BCMLXSDMMC && 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)
+			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);
+	}
+
+	if (dhd->dhd_state & DHD_ATTACH_STATE_PROT_ATTACH) {
+#ifdef PCIE_FULL_DONGLE
+		dhd_flow_rings_deinit(dhdp);
+#endif
+		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 */
+#ifdef CONFIG_IPV6
+	if (dhd_inet6addr_notifier_registered) {
+		dhd_inet6addr_notifier_registered = FALSE;
+		unregister_inet6addr_notifier(&dhd_inet6addr_notifier);
+	}
+#endif
+
+#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;
+#ifdef DHD_WMF
+			dhd_wmf_cleanup(dhdp, 0);
+#endif /* DHD_WMF */
+
+			dhd_if_del_sta_list(ifp);
+
+			MFREE(dhd->pub.osh, ifp, sizeof(*ifp));
+			dhd->iflist[0] = NULL;
+		}
+	}
+
+	/* Clear the watchdog timer */
+	DHD_GENERAL_LOCK(&dhd->pub, flags);
+	timer_valid = dhd->wd_timer_valid;
+	dhd->wd_timer_valid = FALSE;
+	DHD_GENERAL_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);
+#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 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_sta_pool_fini(dhdp, DHD_MAX_STA);
+
+		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
+dhd_module_cleanup(void)
+{
+	DHD_TRACE(("%s: Enter\n", __FUNCTION__));
+
+	dhd_bus_unregister();
+
+	wl_android_exit();
+
+	dhd_wifi_platform_unregister_drv();
+}
+
+static void __exit
+dhd_module_exit(void)
+{
+	dhd_module_cleanup();
+	unregister_reboot_notifier(&dhd_reboot_notifier);
+}
+
+static int __init
+dhd_module_init(void)
+{
+	int err;
+	int retry = POWERUP_MAX_RETRY;
+
+	DHD_ERROR(("%s in\n", __FUNCTION__));
+
+	DHD_PERIM_RADIO_INIT();
+
+	if (firmware_path[0] != '\0') {
+		strncpy(fw_bak_path, firmware_path, MOD_PARAM_PATHLEN);
+		fw_bak_path[MOD_PARAM_PATHLEN-1] = '\0';
+	}
+
+	if (nvram_path[0] != '\0') {
+		strncpy(nv_bak_path, nvram_path, MOD_PARAM_PATHLEN);
+		nv_bak_path[MOD_PARAM_PATHLEN-1] = '\0';
+	}
+
+	do {
+		err = dhd_wifi_platform_register_drv();
+		if (!err) {
+			register_reboot_notifier(&dhd_reboot_notifier);
+			break;
+		}
+		else {
+			DHD_ERROR(("%s: Failed to load the driver, try cnt %d\n",
+				__FUNCTION__, retry));
+			strncpy(firmware_path, fw_bak_path, MOD_PARAM_PATHLEN);
+			firmware_path[MOD_PARAM_PATHLEN-1] = '\0';
+			strncpy(nvram_path, nv_bak_path, MOD_PARAM_PATHLEN);
+			nvram_path[MOD_PARAM_PATHLEN-1] = '\0';
+		}
+	} while (retry--);
+
+	if (err)
+		DHD_ERROR(("%s: Failed to load driver max retry reached**\n", __FUNCTION__));
+
+	return err;
+}
+
+static int
+dhd_reboot_callback(struct notifier_block *this, unsigned long code, void *unused)
+{
+	DHD_TRACE(("%s: code = %ld\n", __FUNCTION__, code));
+	if (code == SYS_RESTART) {
+	}
+
+	return NOTIFY_DONE;
+}
+
+
+#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_exit);
+
+/*
+ * 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) {
+		DHD_PERIM_UNLOCK(pub);
+
+		down(&dhd->proto_sem);
+
+		DHD_PERIM_LOCK(pub);
+		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
+
+	DHD_PERIM_UNLOCK(pub);
+
+	timeout = wait_event_timeout(dhd->ioctl_resp_wait, (*condition), timeout);
+
+	DHD_PERIM_LOCK(pub);
+
+	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;
+	}
+
+	DHD_GENERAL_LOCK(pub, flags);
+
+	/* don't start the wd until fw is loaded */
+	if (pub->busstate == DHD_BUS_DOWN) {
+		DHD_GENERAL_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_GENERAL_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_GENERAL_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)
+{
+}
+
+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;
+
+	buf = (uint8*)wifi_platform_prealloc(dhdpub->info->adapter, section, size);
+	if (buf == NULL && kmalloc_if_fail)
+		buf = kmalloc(size, flags);
+
+	return buf;
+}
+
+void dhd_os_prefree(dhd_pub_t *dhdpub, void *addr, uint size)
+{
+}
+
+#if defined(WL_WIRELESS_EXT)
+struct iw_statistics *
+dhd_get_wireless_stats(struct net_device *dev)
+{
+	int res = 0;
+	dhd_info_t *dhd = DHD_DEV_INFO(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,
+	wl_event_msg_t *event, void **data)
+{
+	int bcmerror = 0;
+	ASSERT(dhd != NULL);
+
+#ifdef SHOW_LOGTRACE
+		bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, event, data, &dhd->event_data);
+#else
+		bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, 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)) {
+#ifdef WLBTAMP
+	/* Send up locally generated AMP HCI Events */
+	case WLC_E_BTA_HCI_EVENT: {
+		struct sk_buff *p, *skb;
+		bcm_event_t *msg;
+		wl_event_msg_t *p_bcm_event;
+		char *ptr;
+		uint32 len;
+		uint32 pktlen;
+		dhd_if_t *ifp;
+		dhd_info_t *dhd;
+		uchar *eth;
+		int ifidx;
+
+		len = ntoh32(event->datalen);
+		pktlen = sizeof(bcm_event_t) + len + 2;
+		dhd = dhdp->info;
+		ifidx = dhd_ifname2idx(dhd, event->ifname);
+
+		if ((p = PKTGET(dhdp->osh, pktlen, FALSE))) {
+			ASSERT(ISALIGNED((uintptr)PKTDATA(dhdp->osh, p), sizeof(uint32)));
+
+			msg = (bcm_event_t *) PKTDATA(dhdp->osh, p);
+
+			bcopy(&dhdp->mac, &msg->eth.ether_dhost, ETHER_ADDR_LEN);
+			bcopy(&dhdp->mac, &msg->eth.ether_shost, ETHER_ADDR_LEN);
+			ETHER_TOGGLE_LOCALADDR(&msg->eth.ether_shost);
+
+			msg->eth.ether_type = hton16(ETHER_TYPE_BRCM);
+
+			/* BCM Vendor specific header... */
+			msg->bcm_hdr.subtype = hton16(BCMILCP_SUBTYPE_VENDOR_LONG);
+			msg->bcm_hdr.version = BCMILCP_BCM_SUBTYPEHDR_VERSION;
+			bcopy(BRCM_OUI, &msg->bcm_hdr.oui[0], DOT11_OUI_LEN);
+
+			/* vendor spec header length + pvt data length (private indication
+			 *  hdr + actual message itself)
+			 */
+			msg->bcm_hdr.length = hton16(BCMILCP_BCM_SUBTYPEHDR_MINLENGTH +
+				BCM_MSG_LEN + sizeof(wl_event_msg_t) + (uint16)len);
+			msg->bcm_hdr.usr_subtype = hton16(BCMILCP_BCM_SUBTYPE_EVENT);
+
+			PKTSETLEN(dhdp->osh, p, (sizeof(bcm_event_t) + len + 2));
+
+			/* copy  wl_event_msg_t into sk_buf */
+
+			/* pointer to wl_event_msg_t in sk_buf */
+			p_bcm_event = &msg->event;
+			bcopy(event, p_bcm_event, sizeof(wl_event_msg_t));
+
+			/* copy hci event into sk_buf */
+			bcopy(data, (p_bcm_event + 1), len);
+
+			msg->bcm_hdr.length  = hton16(sizeof(wl_event_msg_t) +
+				ntoh16(msg->bcm_hdr.length));
+			PKTSETLEN(dhdp->osh, p, (sizeof(bcm_event_t) + len + 2));
+
+			ptr = (char *)(msg + 1);
+			/* Last 2 bytes of the message are 0x00 0x00 to signal that there
+			 * are no ethertypes which are following this
+			 */
+			ptr[len+0] = 0x00;
+			ptr[len+1] = 0x00;
+
+			skb = PKTTONATIVE(dhdp->osh, p);
+			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);
+
+			skb->data = eth;
+			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__));
+		}
+		break;
+	} /* case WLC_E_BTA_HCI_EVENT */
+#endif /* WLBTAMP */
+
+	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 defined(BCMSDIO) && (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 /* defined(BCMSDIO) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) */
+	return;
+}
+
+void dhd_wait_event_wakeup(dhd_pub_t *dhd)
+{
+#if defined(BCMSDIO) && (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;
+}
+
+#if defined(BCMSDIO) || defined(BCMPCIE)
+int
+dhd_net_bus_devreset(struct net_device *dev, uint8 flag)
+{
+	int ret = 0;
+	dhd_info_t *dhd = DHD_DEV_INFO(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
+	}
+
+#ifdef BCMSDIO
+	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);
+	}
+#endif /* BCMSDIO */
+
+	ret = dhd_bus_devreset(&dhd->pub, flag);
+	if (ret) {
+		DHD_ERROR(("%s: dhd_bus_devreset: %d\n", __FUNCTION__, ret));
+		return ret;
+	}
+
+	return ret;
+}
+
+#ifdef BCMSDIO
+int
+dhd_net_bus_suspend(struct net_device *dev)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(dev);
+	return dhd_bus_suspend(&dhd->pub);
+}
+
+int
+dhd_net_bus_resume(struct net_device *dev, uint8 stage)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(dev);
+	return dhd_bus_resume(&dhd->pub, stage);
+}
+
+#endif /* BCMSDIO */
+#endif /* BCMSDIO || BCMPCIE */
+
+int net_os_set_suspend_disable(struct net_device *dev, int val)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(dev);
+	int ret;
+
+	if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0)
+		goto done;
+
+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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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)) && (1)
+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(dhdp->info->dhd_deferred_wq, (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_DEV_INFO(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 *dhd = DHD_DEV_INFO(dev);
+	return wifi_platform_set_power(dhd->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 *dhd = DHD_DEV_INFO(dev);
+	get_customized_country_code(dhd->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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(dev);
+	dhd_net_if_lock_local(dhd);
+}
+
+void dhd_net_if_unlock(struct net_device *dev)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(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)) && 1
+	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)) && 1
+	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)) && 1
+	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)) && 1
+	dhd_info_t *dhd = (dhd_info_t *)(pub->info);
+	if (dhd)
+		mutex_unlock(&dhd->dhd_suspend_mutex);
+#endif
+}
+
+unsigned long dhd_os_general_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_general_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);
+}
+
+/* Linux specific multipurpose spinlock API */
+void *
+dhd_os_spin_lock_init(osl_t *osh)
+{
+	/* Adding 4 bytes since the sizeof(spinlock_t) could be 0 */
+	/* if CONFIG_SMP and CONFIG_DEBUG_SPINLOCK are not defined */
+	/* and this results in kernel asserts in internal builds */
+	spinlock_t * lock = MALLOC(osh, sizeof(spinlock_t) + 4);
+	if (lock)
+		spin_lock_init(lock);
+	return ((void *)lock);
+}
+void
+dhd_os_spin_lock_deinit(osl_t *osh, void *lock)
+{
+	MFREE(osh, lock, sizeof(spinlock_t) + 4);
+}
+unsigned long
+dhd_os_spin_lock(void *lock)
+{
+	unsigned long flags = 0;
+
+	if (lock)
+		spin_lock_irqsave((spinlock_t *)lock, flags);
+
+	return flags;
+}
+void
+dhd_os_spin_unlock(void *lock, unsigned long flags)
+{
+	if (lock)
+		spin_unlock_irqrestore((spinlock_t *)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	100
+
+int
+dhd_wait_pend8021x(struct net_device *dev)
+{
+	dhd_info_t *dhd = DHD_DEV_INFO(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);
+			DHD_PERIM_UNLOCK(&dhd->pub);
+			schedule_timeout(timeout);
+			DHD_PERIM_LOCK(&dhd->pub);
+			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;
+}
+#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_DEV_INFO(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_DEV_INFO(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_DEV_INFO(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 defined(BCMSDIO) && (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_DEV_INFO(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 defined(BCMSDIO) && (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) || (defined(BCMSDIO) && (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 defined(BCMSDIO) && (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_DEV_INFO(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);
+#ifdef CONFIG_HAS_WAKELOCK
+		/* if wakelock_wd_counter was never used : lock it at once */
+		if (!dhd->wakelock_wd_counter)
+			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) {
+			dhd->wakelock_wd_counter = 0;
+#ifdef CONFIG_HAS_WAKELOCK
+			wake_unlock(&dhd->wl_wdwake);
+#endif
+		}
+		spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
+	}
+	return ret;
+}
+
+/* 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_os_wake_lock_waive(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);
+		/* dhd_wakelock_waive/dhd_wakelock_restore must be paired */
+		if (dhd->waive_wakelock == FALSE) {
+			/* record current lock status */
+			dhd->wakelock_before_waive = dhd->wakelock_counter;
+			dhd->waive_wakelock = TRUE;
+		}
+		ret = dhd->wakelock_wd_counter;
+		spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
+	}
+	return ret;
+}
+
+int dhd_os_wake_lock_restore(dhd_pub_t *pub)
+{
+	dhd_info_t *dhd = (dhd_info_t *)(pub->info);
+	unsigned long flags;
+	int ret = 0;
+
+	if (!dhd)
+		return 0;
+
+	spin_lock_irqsave(&dhd->wakelock_spinlock, flags);
+	/* dhd_wakelock_waive/dhd_wakelock_restore must be paired */
+	if (!dhd->waive_wakelock)
+		goto exit;
+
+	dhd->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 (dhd->wakelock_before_waive == 0 && dhd->wakelock_counter > 0) {
+#ifdef CONFIG_HAS_WAKELOCK
+		wake_lock(&dhd->wl_wifi);
+#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
+		dhd_bus_dev_pm_stay_awake(&dhd->pub);
+#endif
+	} else if (dhd->wakelock_before_waive > 0 && dhd->wakelock_counter == 0) {
+#ifdef CONFIG_HAS_WAKELOCK
+		wake_unlock(&dhd->wl_wifi);
+#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
+		dhd_bus_dev_pm_relax(&dhd->pub);
+#endif
+	}
+	dhd->wakelock_before_waive = 0;
+exit:
+	ret = dhd->wakelock_wd_counter;
+	spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags);
+	return ret;
+}
+
+bool dhd_os_check_if_up(dhd_pub_t *pub)
+{
+	if (!pub)
+		return FALSE;
+	return pub->up;
+}
+
+#if defined(BCMSDIO)
+/* 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));
+}
+#endif /* defined(BCMSDIO) */
+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 || !DEV_PRIV(net)) {
+		DHD_ERROR(("%s invalid parameter\n", __FUNCTION__));
+		return -EINVAL;
+	}
+
+	dhd = DHD_DEV_INFO(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);
+	DHD_PERIM_LOCK(&dhd->pub);
+
+	ret = dhd_wl_ioctl(&dhd->pub, ifidx, ioc, ioc->buf, ioc->len);
+	dhd_check_hang(net, &dhd->pub, ret);
+
+	DHD_PERIM_UNLOCK(&dhd->pub);
+	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);
+}
+
+/* Return instance */
+int dhd_get_instance(dhd_pub_t *dhdp)
+{
+	return dhdp->info->unit;
+}
+
+
+#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);
+#endif /* DHD_OF_SUPPORT */
+	DHD_TRACE(("%s: set(%d) cpucore success!\n", __FUNCTION__, set));
+
+	return;
+}
+#endif /* CUSTOM_SET_CPUCORE */
+#if defined(DHD_TCP_WINSIZE_ADJUST)
+static int dhd_port_list_match(int port)
+{
+	int i;
+	for (i = 0; i < MAX_TARGET_PORTS; i++) {
+		if (target_ports[i] == port)
+			return 1;
+	}
+	return 0;
+}
+static void dhd_adjust_tcp_winsize(int op_mode, struct sk_buff *skb)
+{
+	struct iphdr *ipheader;
+	struct tcphdr *tcpheader;
+	uint16 win_size;
+	int32 incremental_checksum;
+
+	if (!(op_mode & DHD_FLAG_HOSTAP_MODE))
+		return;
+	if (skb == NULL || skb->data == NULL)
+		return;
+
+	ipheader = (struct iphdr*)(skb->data);
+
+	if (ipheader->protocol == IPPROTO_TCP) {
+		tcpheader = (struct tcphdr*) skb_pull(skb, (ipheader->ihl)<<2);
+		if (tcpheader) {
+			win_size = ntoh16(tcpheader->window);
+			if (win_size < MIN_TCP_WIN_SIZE &&
+				dhd_port_list_match(ntoh16(tcpheader->dest))) {
+				incremental_checksum = ntoh16(tcpheader->check);
+				incremental_checksum += win_size - win_size*WIN_SIZE_SCALE_FACTOR;
+				if (incremental_checksum < 0)
+					--incremental_checksum;
+				tcpheader->window = hton16(win_size*WIN_SIZE_SCALE_FACTOR);
+				tcpheader->check = hton16((unsigned short)incremental_checksum);
+			}
+		}
+		skb_push(skb, (ipheader->ihl)<<2);
+	}
+}
+#endif /* DHD_TCP_WINSIZE_ADJUST */
+
+/* Get interface specific ap_isolate configuration */
+int dhd_get_ap_isolate(dhd_pub_t *dhdp, uint32 idx)
+{
+	dhd_info_t *dhd = dhdp->info;
+	dhd_if_t *ifp;
+
+	ASSERT(idx < DHD_MAX_IFS);
+
+	ifp = dhd->iflist[idx];
+
+	return ifp->ap_isolate;
+}
+
+/* Set interface specific ap_isolate configuration */
+int dhd_set_ap_isolate(dhd_pub_t *dhdp, uint32 idx, int val)
+{
+	dhd_info_t *dhd = dhdp->info;
+	dhd_if_t *ifp;
+
+	ASSERT(idx < DHD_MAX_IFS);
+
+	ifp = dhd->iflist[idx];
+
+	ifp->ap_isolate = val;
+
+	return 0;
+}
+
+#ifdef DHD_WMF
+/* Returns interface specific WMF configuration */
+dhd_wmf_t* dhd_wmf_conf(dhd_pub_t *dhdp, uint32 idx)
+{
+	dhd_info_t *dhd = dhdp->info;
+	dhd_if_t *ifp;
+
+	ASSERT(idx < DHD_MAX_IFS);
+
+	ifp = dhd->iflist[idx];
+	return &ifp->wmf;
+}
+#endif /* DHD_WMF */
+
+
+#ifdef DHD_UNICAST_DHCP
+static int
+dhd_get_pkt_ether_type(dhd_pub_t *pub, void *pktbuf,
+	uint8 **data_ptr, int *len_ptr, uint16 *et_ptr, bool *snap_ptr)
+{
+	uint8 *frame = PKTDATA(pub->osh, pktbuf);
+	int length = PKTLEN(pub->osh, pktbuf);
+	uint8 *pt;			/* Pointer to type field */
+	uint16 ethertype;
+	bool snap = FALSE;
+	/* Process Ethernet II or SNAP-encapsulated 802.3 frames */
+	if (length < ETHER_HDR_LEN) {
+		DHD_ERROR(("dhd: %s: short eth frame (%d)\n",
+		           __FUNCTION__, length));
+		return BCME_ERROR;
+	} else if (ntoh16_ua(frame + ETHER_TYPE_OFFSET) >= ETHER_TYPE_MIN) {
+		/* Frame is Ethernet II */
+		pt = frame + ETHER_TYPE_OFFSET;
+	} else if (length >= ETHER_HDR_LEN + SNAP_HDR_LEN + ETHER_TYPE_LEN &&
+	           !bcmp(llc_snap_hdr, frame + ETHER_HDR_LEN, SNAP_HDR_LEN)) {
+		pt = frame + ETHER_HDR_LEN + SNAP_HDR_LEN;
+		snap = TRUE;
+	} else {
+		DHD_INFO(("DHD: %s: non-SNAP 802.3 frame\n",
+		           __FUNCTION__));
+		return BCME_ERROR;
+	}
+
+	ethertype = ntoh16_ua(pt);
+
+	/* Skip VLAN tag, if any */
+	if (ethertype == ETHER_TYPE_8021Q) {
+		pt += VLAN_TAG_LEN;
+
+		if ((pt + ETHER_TYPE_LEN) > (frame + length)) {
+			DHD_ERROR(("dhd: %s: short VLAN frame (%d)\n",
+			          __FUNCTION__, length));
+			return BCME_ERROR;
+		}
+
+		ethertype = ntoh16_ua(pt);
+	}
+
+	*data_ptr = pt + ETHER_TYPE_LEN;
+	*len_ptr = length - (pt + ETHER_TYPE_LEN - frame);
+	*et_ptr = ethertype;
+	*snap_ptr = snap;
+	return BCME_OK;
+}
+
+static int
+dhd_get_pkt_ip_type(dhd_pub_t *pub, void *pktbuf,
+	uint8 **data_ptr, int *len_ptr, uint8 *prot_ptr)
+{
+	struct ipv4_hdr *iph;		/* IP frame pointer */
+	int iplen;			/* IP frame length */
+	uint16 ethertype, iphdrlen, ippktlen;
+	uint16 iph_frag;
+	uint8 prot;
+	bool snap;
+
+	if (dhd_get_pkt_ether_type(pub, pktbuf, (uint8 **)&iph,
+	    &iplen, &ethertype, &snap) != 0)
+		return BCME_ERROR;
+
+	if (ethertype != ETHER_TYPE_IP) {
+		return BCME_ERROR;
+	}
+
+	/* We support IPv4 only */
+	if (iplen < IPV4_OPTIONS_OFFSET || (IP_VER(iph) != IP_VER_4)) {
+		return BCME_ERROR;
+	}
+
+	/* Header length sanity */
+	iphdrlen = IPV4_HLEN(iph);
+
+	/*
+	 * Packet length sanity; sometimes we receive eth-frame size bigger
+	 * than the IP content, which results in a bad tcp chksum
+	 */
+	ippktlen = ntoh16(iph->tot_len);
+	if (ippktlen < iplen) {
+
+		DHD_INFO(("%s: extra frame length ignored\n",
+		          __FUNCTION__));
+		iplen = ippktlen;
+	} else if (ippktlen > iplen) {
+		DHD_ERROR(("dhd: %s: truncated IP packet (%d)\n",
+		           __FUNCTION__, ippktlen - iplen));
+		return BCME_ERROR;
+	}
+
+	if (iphdrlen < IPV4_OPTIONS_OFFSET || iphdrlen > iplen) {
+		DHD_ERROR(("DHD: %s: IP-header-len (%d) out of range (%d-%d)\n",
+		           __FUNCTION__, iphdrlen, IPV4_OPTIONS_OFFSET, iplen));
+		return BCME_ERROR;
+	}
+
+	/*
+	 * We don't handle fragmented IP packets.  A first frag is indicated by the MF
+	 * (more frag) bit and a subsequent frag is indicated by a non-zero frag offset.
+	 */
+	iph_frag = ntoh16(iph->frag);
+
+	if ((iph_frag & IPV4_FRAG_MORE) || (iph_frag & IPV4_FRAG_OFFSET_MASK) != 0) {
+		DHD_INFO(("DHD:%s: IP fragment not handled\n",
+		           __FUNCTION__));
+		return BCME_ERROR;
+	}
+
+	prot = IPV4_PROT(iph);
+
+	*data_ptr = (((uint8 *)iph) + iphdrlen);
+	*len_ptr = iplen - iphdrlen;
+	*prot_ptr = prot;
+	return BCME_OK;
+}
+
+/** check the packet type, if it is DHCP ACK/REPLY, convert into unicast packet	*/
+static
+int dhd_convert_dhcp_broadcast_ack_to_unicast(dhd_pub_t *pub, void *pktbuf, int ifidx)
+{
+	dhd_sta_t* stainfo;
+	uint8 *eh = PKTDATA(pub->osh, pktbuf);
+	uint8 *udph;
+	uint8 *dhcp;
+	uint8 *chaddr;
+	int udpl;
+	int dhcpl;
+	uint16 port;
+	uint8 prot;
+
+	if (!ETHER_ISMULTI(eh + ETHER_DEST_OFFSET))
+	    return BCME_ERROR;
+	if (dhd_get_pkt_ip_type(pub, pktbuf, &udph, &udpl, &prot) != 0)
+		return BCME_ERROR;
+	if (prot != IP_PROT_UDP)
+		return BCME_ERROR;
+	/* check frame length, at least UDP_HDR_LEN */
+	if (udpl < UDP_HDR_LEN) {
+		DHD_ERROR(("DHD: %s: short UDP frame, ignored\n",
+		    __FUNCTION__));
+		return BCME_ERROR;
+	}
+	port = ntoh16_ua(udph + UDP_DEST_PORT_OFFSET);
+	/* only process DHCP packets from server to client */
+	if (port != DHCP_PORT_CLIENT)
+		return BCME_ERROR;
+
+	dhcp = udph + UDP_HDR_LEN;
+	dhcpl = udpl - UDP_HDR_LEN;
+
+	if (dhcpl < DHCP_CHADDR_OFFSET + ETHER_ADDR_LEN) {
+		DHD_ERROR(("DHD: %s: short DHCP frame, ignored\n",
+		    __FUNCTION__));
+		return BCME_ERROR;
+	}
+	/* only process DHCP reply(offer/ack) packets */
+	if (*(dhcp + DHCP_TYPE_OFFSET) != DHCP_TYPE_REPLY)
+		return BCME_ERROR;
+	chaddr = dhcp + DHCP_CHADDR_OFFSET;
+	stainfo = dhd_find_sta(pub, ifidx, chaddr);
+	if (stainfo) {
+		bcopy(chaddr, eh + ETHER_DEST_OFFSET, ETHER_ADDR_LEN);
+		return BCME_OK;
+	}
+	return BCME_ERROR;
+}
+#endif /* DHD_UNICAST_DHD */
+#ifdef DHD_L2_FILTER
+/* Check if packet type is ICMP ECHO */
+static
+int dhd_l2_filter_block_ping(dhd_pub_t *pub, void *pktbuf, int ifidx)
+{
+	struct bcmicmp_hdr *icmph;
+	int udpl;
+	uint8 prot;
+
+	if (dhd_get_pkt_ip_type(pub, pktbuf, (uint8 **)&icmph, &udpl, &prot) != 0)
+		return BCME_ERROR;
+	if (prot == IP_PROT_ICMP) {
+		if (icmph->type == ICMP_TYPE_ECHO_REQUEST)
+			return BCME_OK;
+	}
+	return BCME_ERROR;
+}
+#endif /* DHD_L2_FILTER */