Merge branch 'next' into for-linus

1 files changed, 1954 insertions, 0 deletions

diff --git a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
new file mode 100644
index 000000000000..c1b07ae31674
--- /dev/null
+++ b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
@@ -0,0 +1,1954 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define __UNDEF_NO_VERSION__
+
+#include <linux/kernel.h>
+#include <linux/etherdevice.h>
+#include <linux/types.h>
+#include <linux/pci_ids.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/sched.h>
+#include <linux/firmware.h>
+#include <net/mac80211.h>
+
+#include <proto/802.11.h>
+#include <bcmdefs.h>
+#include <bcmwifi.h>
+#include <bcmutils.h>
+#include <pcicfg.h>
+#include <wlioctl.h>
+#include <sbhnddma.h>
+
+#include "phy/wlc_phy_int.h"
+#include "d11.h"
+#include "wlc_types.h"
+#include "wlc_cfg.h"
+#include "phy/phy_version.h"
+#include "wlc_key.h"
+#include "wlc_channel.h"
+#include "wlc_scb.h"
+#include "wlc_pub.h"
+#include "wl_dbg.h"
+#include "wl_export.h"
+#include "wl_ucode.h"
+#include "wl_mac80211.h"
+
+static void wl_timer(unsigned long data);
+static void _wl_timer(struct wl_timer *t);
+
+
+static int ieee_hw_init(struct ieee80211_hw *hw);
+static int ieee_hw_rate_init(struct ieee80211_hw *hw);
+
+static int wl_linux_watchdog(void *ctx);
+
+/* Flags we support */
+#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
+	FIF_ALLMULTI | \
+	FIF_FCSFAIL | \
+	FIF_PLCPFAIL | \
+	FIF_CONTROL | \
+	FIF_OTHER_BSS | \
+	FIF_BCN_PRBRESP_PROMISC)
+
+static int wl_found;
+
+#define WL_DEV_IF(dev)		((struct wl_if *)netdev_priv(dev))
+#define	WL_INFO(dev)		((struct wl_info *)(WL_DEV_IF(dev)->wl))
+static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev);
+static void wl_release_fw(struct wl_info *wl);
+
+/* local prototypes */
+static void wl_dpc(unsigned long data);
+static irqreturn_t wl_isr(int irq, void *dev_id);
+
+static int __devinit wl_pci_probe(struct pci_dev *pdev,
+				  const struct pci_device_id *ent);
+static void wl_remove(struct pci_dev *pdev);
+static void wl_free(struct wl_info *wl);
+
+MODULE_AUTHOR("Broadcom Corporation");
+MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+/* recognized PCI IDs */
+static struct pci_device_id wl_id_table[] = {
+	{PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},	/* 43225 2G */
+	{PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},	/* 43224 DUAL */
+	{PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},	/* 4313 DUAL */
+	{0}
+};
+
+MODULE_DEVICE_TABLE(pci, wl_id_table);
+
+#ifdef BCMDBG
+static int msglevel = 0xdeadbeef;
+module_param(msglevel, int, 0);
+static int phymsglevel = 0xdeadbeef;
+module_param(phymsglevel, int, 0);
+#endif				/* BCMDBG */
+
+#define HW_TO_WL(hw)	 (hw->priv)
+#define WL_TO_HW(wl)	  (wl->pub->ieee_hw)
+
+/* MAC80211 callback functions */
+static int wl_ops_start(struct ieee80211_hw *hw);
+static void wl_ops_stop(struct ieee80211_hw *hw);
+static int wl_ops_add_interface(struct ieee80211_hw *hw,
+				struct ieee80211_vif *vif);
+static void wl_ops_remove_interface(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif);
+static int wl_ops_config(struct ieee80211_hw *hw, u32 changed);
+static void wl_ops_bss_info_changed(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_bss_conf *info,
+				    u32 changed);
+static void wl_ops_configure_filter(struct ieee80211_hw *hw,
+				    unsigned int changed_flags,
+				    unsigned int *total_flags, u64 multicast);
+static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
+			  bool set);
+static void wl_ops_sw_scan_start(struct ieee80211_hw *hw);
+static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw);
+static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
+static int wl_ops_get_stats(struct ieee80211_hw *hw,
+			    struct ieee80211_low_level_stats *stats);
+static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
+static void wl_ops_sta_notify(struct ieee80211_hw *hw,
+			      struct ieee80211_vif *vif,
+			      enum sta_notify_cmd cmd,
+			      struct ieee80211_sta *sta);
+static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
+			  const struct ieee80211_tx_queue_params *params);
+static u64 wl_ops_get_tsf(struct ieee80211_hw *hw);
+static int wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		      struct ieee80211_sta *sta);
+static int wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			 struct ieee80211_sta *sta);
+static int wl_ops_ampdu_action(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
+			       enum ieee80211_ampdu_mlme_action action,
+			       struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			       u8 buf_size);
+static void wl_ops_rfkill_poll(struct ieee80211_hw *hw);
+
+static void wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+	struct wl_info *wl = hw->priv;
+
+	WL_LOCK(wl);
+	if (!wl->pub->up) {
+		WL_ERROR("ops->tx called while down\n");
+		kfree_skb(skb);
+		goto done;
+	}
+	wlc_sendpkt_mac80211(wl->wlc, skb, hw);
+ done:
+	WL_UNLOCK(wl);
+}
+
+static int wl_ops_start(struct ieee80211_hw *hw)
+{
+	struct wl_info *wl = hw->priv;
+	bool blocked;
+	/*
+	  struct ieee80211_channel *curchan = hw->conf.channel;
+	  WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value);
+	*/
+
+	ieee80211_wake_queues(hw);
+	WL_LOCK(wl);
+	blocked = wl_rfkill_set_hw_state(wl);
+	WL_UNLOCK(wl);
+	if (!blocked)
+		wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
+
+	return 0;
+}
+
+static void wl_ops_stop(struct ieee80211_hw *hw)
+{
+#ifdef BRCMDBG
+	struct wl_info *wl = hw->priv;
+	ASSERT(wl);
+#endif /*BRCMDBG*/
+	ieee80211_stop_queues(hw);
+}
+
+static int
+wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct wl_info *wl;
+	int err;
+
+	/* Just STA for now */
+	if (vif->type != NL80211_IFTYPE_AP &&
+	    vif->type != NL80211_IFTYPE_MESH_POINT &&
+	    vif->type != NL80211_IFTYPE_STATION &&
+	    vif->type != NL80211_IFTYPE_WDS &&
+	    vif->type != NL80211_IFTYPE_ADHOC) {
+		WL_ERROR("%s: Attempt to add type %d, only STA for now\n",
+			 __func__, vif->type);
+		return -EOPNOTSUPP;
+	}
+
+	wl = HW_TO_WL(hw);
+	WL_LOCK(wl);
+	err = wl_up(wl);
+	WL_UNLOCK(wl);
+
+	if (err != 0) {
+		WL_ERROR("%s: wl_up() returned %d\n", __func__, err);
+	}
+	return err;
+}
+
+static void
+wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct wl_info *wl;
+
+	wl = HW_TO_WL(hw);
+
+	/* put driver in down state */
+	WL_LOCK(wl);
+	wl_down(wl);
+	WL_UNLOCK(wl);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+static int
+ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
+		 enum nl80211_channel_type type)
+{
+	struct wl_info *wl = HW_TO_WL(hw);
+	int err = 0;
+
+	switch (type) {
+	case NL80211_CHAN_HT20:
+	case NL80211_CHAN_NO_HT:
+		err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
+		break;
+	case NL80211_CHAN_HT40MINUS:
+	case NL80211_CHAN_HT40PLUS:
+		WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__);
+		err = 1;
+		break;
+	}
+
+	if (err)
+		return -EIO;
+	return err;
+}
+
+static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
+{
+	struct ieee80211_conf *conf = &hw->conf;
+	struct wl_info *wl = HW_TO_WL(hw);
+	int err = 0;
+	int new_int;
+
+	WL_LOCK(wl);
+	if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
+		if (wlc_iovar_setint
+		    (wl->wlc, "bcn_li_bcn", conf->listen_interval)) {
+			WL_ERROR("%s: Error setting listen_interval\n",
+				 __func__);
+			err = -EIO;
+			goto config_out;
+		}
+		wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int);
+		ASSERT(new_int == conf->listen_interval);
+	}
+	if (changed & IEEE80211_CONF_CHANGE_MONITOR)
+		WL_ERROR("%s: change monitor mode: %s (implement)\n", __func__,
+			 conf->flags & IEEE80211_CONF_MONITOR ?
+				"true" : "false");
+	if (changed & IEEE80211_CONF_CHANGE_PS)
+		WL_ERROR("%s: change power-save mode: %s (implement)\n",
+			 __func__, conf->flags & IEEE80211_CONF_PS ?
+				"true" : "false");
+
+	if (changed & IEEE80211_CONF_CHANGE_POWER) {
+		if (wlc_iovar_setint
+		    (wl->wlc, "qtxpower", conf->power_level * 4)) {
+			WL_ERROR("%s: Error setting power_level\n", __func__);
+			err = -EIO;
+			goto config_out;
+		}
+		wlc_iovar_getint(wl->wlc, "qtxpower", &new_int);
+		if (new_int != (conf->power_level * 4))
+			WL_ERROR("%s: Power level req != actual, %d %d\n",
+				 __func__, conf->power_level * 4, new_int);
+	}
+	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+		err = ieee_set_channel(hw, conf->channel, conf->channel_type);
+	}
+	if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
+		if (wlc_set
+		    (wl->wlc, WLC_SET_SRL,
+		     conf->short_frame_max_tx_count) < 0) {
+			WL_ERROR("%s: Error setting srl\n", __func__);
+			err = -EIO;
+			goto config_out;
+		}
+		if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
+		    < 0) {
+			WL_ERROR("%s: Error setting lrl\n", __func__);
+			err = -EIO;
+			goto config_out;
+		}
+	}
+
+ config_out:
+	WL_UNLOCK(wl);
+	return err;
+}
+
+static void
+wl_ops_bss_info_changed(struct ieee80211_hw *hw,
+			struct ieee80211_vif *vif,
+			struct ieee80211_bss_conf *info, u32 changed)
+{
+	struct wl_info *wl = HW_TO_WL(hw);
+	int val;
+
+	if (changed & BSS_CHANGED_ASSOC) {
+		/* association status changed (associated/disassociated)
+		 * also implies a change in the AID.
+		 */
+		WL_ERROR("%s: %s: %sassociated\n", KBUILD_MODNAME, __func__,
+			 info->assoc ? "" : "dis");
+		wlc_associate_upd(wl->wlc, info->assoc);
+	}
+	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+		/* CTS protection changed */
+		WL_ERROR("%s: use_cts_prot: %s (implement)\n", __func__,
+			info->use_cts_prot ? "true" : "false");
+	}
+	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+		/* preamble changed */
+		WL_ERROR("%s: short preamble: %s (implement)\n", __func__,
+			info->use_short_preamble ? "true" : "false");
+	}
+	if (changed & BSS_CHANGED_ERP_SLOT) {
+		/* slot timing changed */
+		if (info->use_short_slot)
+			val = 1;
+		else
+			val = 0;
+		WL_LOCK(wl);
+		wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
+		WL_UNLOCK(wl);
+	}
+
+	if (changed & BSS_CHANGED_HT) {
+		/* 802.11n parameters changed */
+		u16 mode = info->ht_operation_mode;
+		WL_NONE("%s: HT mode: 0x%04X\n", __func__, mode);
+		wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG,
+			mode & IEEE80211_HT_OP_MODE_PROTECTION);
+		wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF,
+			mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+		wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS,
+			mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
+	}
+	if (changed & BSS_CHANGED_BASIC_RATES) {
+		/* Basic rateset changed */
+		WL_ERROR("%s: Need to change Basic Rates: 0x%x (implement)\n",
+			 __func__, (u32) info->basic_rates);
+	}
+	if (changed & BSS_CHANGED_BEACON_INT) {
+		/* Beacon interval changed */
+		WL_NONE("%s: Beacon Interval: %d\n",
+			__func__, info->beacon_int);
+		wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int);
+	}
+	if (changed & BSS_CHANGED_BSSID) {
+		/* BSSID changed, for whatever reason (IBSS and managed mode) */
+		WL_NONE("%s: new BSSID: aid %d  bss:%pM\n", __func__,
+			info->aid, info->bssid);
+		WL_LOCK(wl);
+		wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
+				  info->bssid);
+		WL_UNLOCK(wl);
+	}
+	if (changed & BSS_CHANGED_BEACON) {
+		/* Beacon data changed, retrieve new beacon (beaconing modes) */
+		WL_ERROR("%s: beacon changed\n", __func__);
+	}
+	if (changed & BSS_CHANGED_BEACON_ENABLED) {
+		/* Beaconing should be enabled/disabled (beaconing modes) */
+		WL_ERROR("%s: Beacon enabled: %s\n", __func__,
+			 info->enable_beacon ? "true" : "false");
+	}
+	if (changed & BSS_CHANGED_CQM) {
+		/* Connection quality monitor config changed */
+		WL_ERROR("%s: cqm change: threshold %d, hys %d (implement)\n",
+			__func__, info->cqm_rssi_thold, info->cqm_rssi_hyst);
+	}
+	if (changed & BSS_CHANGED_IBSS) {
+		/* IBSS join status changed */
+		WL_ERROR("%s: IBSS joined: %s (implement)\n", __func__,
+			info->ibss_joined ? "true" : "false");
+	}
+	if (changed & BSS_CHANGED_ARP_FILTER) {
+		/* Hardware ARP filter address list or state changed */
+		WL_ERROR("%s: arp filtering: enabled %s, count %d (implement)\n",
+			__func__, info->arp_filter_enabled ? "true" : "false",
+			info->arp_addr_cnt);
+	}
+	if (changed & BSS_CHANGED_QOS) {
+		/*
+		 * QoS for this association was enabled/disabled.
+		 * Note that it is only ever disabled for station mode.
+		 */
+		WL_ERROR("%s: qos enabled: %s (implement)\n", __func__,
+			info->qos ? "true" : "false");
+	}
+	if (changed & BSS_CHANGED_IDLE) {
+		/* Idle changed for this BSS/interface */
+		WL_ERROR("%s: BSS idle: %s (implement)\n", __func__,
+			info->idle ? "true" : "false");
+	}
+	return;
+}
+
+static void
+wl_ops_configure_filter(struct ieee80211_hw *hw,
+			unsigned int changed_flags,
+			unsigned int *total_flags, u64 multicast)
+{
+	struct wl_info *wl = hw->priv;
+
+	changed_flags &= MAC_FILTERS;
+	*total_flags &= MAC_FILTERS;
+	if (changed_flags & FIF_PROMISC_IN_BSS)
+		WL_ERROR("FIF_PROMISC_IN_BSS\n");
+	if (changed_flags & FIF_ALLMULTI)
+		WL_ERROR("FIF_ALLMULTI\n");
+	if (changed_flags & FIF_FCSFAIL)
+		WL_ERROR("FIF_FCSFAIL\n");
+	if (changed_flags & FIF_PLCPFAIL)
+		WL_ERROR("FIF_PLCPFAIL\n");
+	if (changed_flags & FIF_CONTROL)
+		WL_ERROR("FIF_CONTROL\n");
+	if (changed_flags & FIF_OTHER_BSS)
+		WL_ERROR("FIF_OTHER_BSS\n");
+	if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+		WL_NONE("FIF_BCN_PRBRESP_PROMISC\n");
+		WL_LOCK(wl);
+		if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
+			wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
+			wlc_mac_bcn_promisc_change(wl->wlc, 1);
+		} else {
+			wlc_mac_bcn_promisc_change(wl->wlc, 0);
+			wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
+		}
+		WL_UNLOCK(wl);
+	}
+	return;
+}
+
+static int
+wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
+{
+	WL_NONE("%s: Enter\n", __func__);
+	return 0;
+}
+
+static void wl_ops_sw_scan_start(struct ieee80211_hw *hw)
+{
+	struct wl_info *wl = hw->priv;
+	WL_NONE("Scan Start\n");
+	WL_LOCK(wl);
+	wlc_scan_start(wl->wlc);
+	WL_UNLOCK(wl);
+	return;
+}
+
+static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
+{
+	struct wl_info *wl = hw->priv;
+	WL_NONE("Scan Complete\n");
+	WL_LOCK(wl);
+	wlc_scan_stop(wl->wlc);
+	WL_UNLOCK(wl);
+	return;
+}
+
+static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+	WL_ERROR("%s: Enter\n", __func__);
+	return;
+}
+
+static int
+wl_ops_get_stats(struct ieee80211_hw *hw,
+		 struct ieee80211_low_level_stats *stats)
+{
+	struct wl_info *wl = hw->priv;
+	struct wl_cnt *cnt;
+
+	WL_LOCK(wl);
+	cnt = wl->pub->_cnt;
+	stats->dot11ACKFailureCount = cnt->txnoack;
+	stats->dot11RTSFailureCount = cnt->txnocts;
+	stats->dot11FCSErrorCount = cnt->rxcrc;
+	stats->dot11RTSSuccessCount = cnt->txrts;
+	WL_UNLOCK(wl);
+	return 0;
+}
+
+static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+	struct wl_info *wl = hw->priv;
+
+	WL_LOCK(wl);
+	wlc_iovar_setint(wl->wlc, "rtsthresh", value & 0xFFFF);
+	WL_UNLOCK(wl);
+	return 0;
+}
+
+static void
+wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
+{
+	WL_NONE("%s: Enter\n", __func__);
+	switch (cmd) {
+	default:
+		WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd);
+		break;
+	}
+	return;
+}
+
+static int
+wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
+	       const struct ieee80211_tx_queue_params *params)
+{
+	struct wl_info *wl = hw->priv;
+
+	WL_NONE("%s: Enter (WME config)\n", __func__);
+	WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue,
+		 params->txop, params->cw_min, params->cw_max, params->aifs);
+
+	WL_LOCK(wl);
+	wlc_wme_setparams(wl->wlc, queue, (void *)params, true);
+	WL_UNLOCK(wl);
+
+	return 0;
+}
+
+static u64 wl_ops_get_tsf(struct ieee80211_hw *hw)
+{
+	WL_ERROR("%s: Enter\n", __func__);
+	return 0;
+}
+
+static int
+wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+	       struct ieee80211_sta *sta)
+{
+	struct scb *scb;
+
+	int i;
+	struct wl_info *wl = hw->priv;
+
+	/* Init the scb */
+	scb = (struct scb *)sta->drv_priv;
+	memset(scb, 0, sizeof(struct scb));
+	for (i = 0; i < NUMPRIO; i++)
+		scb->seqctl[i] = 0xFFFF;
+	scb->seqctl_nonqos = 0xFFFF;
+	scb->magic = SCB_MAGIC;
+
+	wl->pub->global_scb = scb;
+	wl->pub->global_ampdu = &(scb->scb_ampdu);
+	wl->pub->global_ampdu->scb = scb;
+	wl->pub->global_ampdu->max_pdu = 16;
+	pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
+		  AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
+
+	sta->ht_cap.ht_supported = true;
+	sta->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+	sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
+	sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
+	    IEEE80211_HT_CAP_SGI_20 |
+	    IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
+
+	/* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
+	return 0;
+}
+
+static int
+wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  struct ieee80211_sta *sta)
+{
+	WL_NONE("%s: Enter\n", __func__);
+	return 0;
+}
+
+static int
+wl_ops_ampdu_action(struct ieee80211_hw *hw,
+		    struct ieee80211_vif *vif,
+		    enum ieee80211_ampdu_mlme_action action,
+		    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+		    u8 buf_size)
+{
+#if defined(BCMDBG)
+	struct scb *scb = (struct scb *)sta->drv_priv;
+#endif
+	struct wl_info *wl = hw->priv;
+	int status;
+
+	ASSERT(scb->magic == SCB_MAGIC);
+	switch (action) {
+	case IEEE80211_AMPDU_RX_START:
+		WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__);
+		break;
+	case IEEE80211_AMPDU_RX_STOP:
+		WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__);
+		break;
+	case IEEE80211_AMPDU_TX_START:
+		WL_LOCK(wl);
+		status = wlc_aggregatable(wl->wlc, tid);
+		WL_UNLOCK(wl);
+		if (!status) {
+			/* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */
+			return -1;
+		}
+		/* XXX: Use the starting sequence number provided ... */
+		*ssn = 0;
+		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+		break;
+
+	case IEEE80211_AMPDU_TX_STOP:
+		WL_LOCK(wl);
+		wlc_ampdu_flush(wl->wlc, sta, tid);
+		WL_UNLOCK(wl);
+		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+		break;
+	case IEEE80211_AMPDU_TX_OPERATIONAL:
+		/* Not sure what to do here */
+		/* Power save wakeup */
+		WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n",
+			__func__);
+		break;
+	default:
+		WL_ERROR("%s: Invalid command, ignoring\n", __func__);
+	}
+
+	return 0;
+}
+
+static void wl_ops_rfkill_poll(struct ieee80211_hw *hw)
+{
+	struct wl_info *wl = HW_TO_WL(hw);
+	bool blocked;
+
+	WL_LOCK(wl);
+	blocked = wlc_check_radio_disabled(wl->wlc);
+	WL_UNLOCK(wl);
+
+	WL_NONE("wl: rfkill_poll: %d\n", blocked);
+	wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
+}
+
+static const struct ieee80211_ops wl_ops = {
+	.tx = wl_ops_tx,
+	.start = wl_ops_start,
+	.stop = wl_ops_stop,
+	.add_interface = wl_ops_add_interface,
+	.remove_interface = wl_ops_remove_interface,
+	.config = wl_ops_config,
+	.bss_info_changed = wl_ops_bss_info_changed,
+	.configure_filter = wl_ops_configure_filter,
+	.set_tim = wl_ops_set_tim,
+	.sw_scan_start = wl_ops_sw_scan_start,
+	.sw_scan_complete = wl_ops_sw_scan_complete,
+	.set_tsf = wl_ops_set_tsf,
+	.get_stats = wl_ops_get_stats,
+	.set_rts_threshold = wl_ops_set_rts_threshold,
+	.sta_notify = wl_ops_sta_notify,
+	.conf_tx = wl_ops_conf_tx,
+	.get_tsf = wl_ops_get_tsf,
+	.sta_add = wl_ops_sta_add,
+	.sta_remove = wl_ops_sta_remove,
+	.ampdu_action = wl_ops_ampdu_action,
+	.rfkill_poll = wl_ops_rfkill_poll,
+};
+
+/*
+ * is called in wl_pci_probe() context, therefore no locking required.
+ */
+static int wl_set_hint(struct wl_info *wl, char *abbrev)
+{
+	WL_NONE("%s: Sending country code %c%c to MAC80211\n",
+		 __func__, abbrev[0], abbrev[1]);
+	return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
+}
+
+/**
+ * attach to the WL device.
+ *
+ * Attach to the WL device identified by vendor and device parameters.
+ * regs is a host accessible memory address pointing to WL device registers.
+ *
+ * wl_attach is not defined as static because in the case where no bus
+ * is defined, wl_attach will never be called, and thus, gcc will issue
+ * a warning that this function is defined but not used if we declare
+ * it as static.
+ *
+ *
+ * is called in wl_pci_probe() context, therefore no locking required.
+ */
+static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
+			    uint bustype, void *btparam, uint irq)
+{
+	struct wl_info *wl;
+	int unit, err;
+
+	unsigned long base_addr;
+	struct ieee80211_hw *hw;
+	u8 perm[ETH_ALEN];
+
+	unit = wl_found;
+	err = 0;
+
+	if (unit < 0) {
+		WL_ERROR("wl%d: unit number overflow, exiting\n", unit);
+		return NULL;
+	}
+
+	/* allocate private info */
+	hw = pci_get_drvdata(btparam);	/* btparam == pdev */
+	wl = hw->priv;
+	ASSERT(wl);
+
+	atomic_set(&wl->callbacks, 0);
+
+	/* setup the bottom half handler */
+	tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl);
+
+
+
+	base_addr = regs;
+
+	if (bustype == PCI_BUS) {
+		wl->piomode = false;
+	} else if (bustype == RPC_BUS) {
+		/* Do nothing */
+	} else {
+		bustype = PCI_BUS;
+		WL_TRACE("force to PCI\n");
+	}
+	wl->bcm_bustype = bustype;
+
+	wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
+	if (wl->regsva == NULL) {
+		WL_ERROR("wl%d: ioremap() failed\n", unit);
+		goto fail;
+	}
+	spin_lock_init(&wl->lock);
+	spin_lock_init(&wl->isr_lock);
+
+	/* prepare ucode */
+	if (wl_request_fw(wl, (struct pci_dev *)btparam) < 0) {
+		WL_ERROR("%s: Failed to find firmware usually in %s\n",
+			 KBUILD_MODNAME, "/lib/firmware/brcm");
+		wl_release_fw(wl);
+		wl_remove((struct pci_dev *)btparam);
+		goto fail1;
+	}
+
+	/* common load-time initialization */
+	wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode,
+			     wl->regsva, wl->bcm_bustype, btparam, &err);
+	wl_release_fw(wl);
+	if (!wl->wlc) {
+		WL_ERROR("%s: wlc_attach() failed with code %d\n",
+			 KBUILD_MODNAME, err);
+		goto fail;
+	}
+	wl->pub = wlc_pub(wl->wlc);
+
+	wl->pub->ieee_hw = hw;
+	ASSERT(wl->pub->ieee_hw);
+	ASSERT(wl->pub->ieee_hw->priv == wl);
+
+
+	if (wlc_iovar_setint(wl->wlc, "mpc", 0)) {
+		WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit);
+	}
+
+	/* register our interrupt handler */
+	if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
+		WL_ERROR("wl%d: request_irq() failed\n", unit);
+		goto fail;
+	}
+	wl->irq = irq;
+
+	/* register module */
+	wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog,
+			    NULL);
+
+	if (ieee_hw_init(hw)) {
+		WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__);
+		goto fail;
+	}
+
+	memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
+	ASSERT(is_valid_ether_addr(perm));
+	SET_IEEE80211_PERM_ADDR(hw, perm);
+
+	err = ieee80211_register_hw(hw);
+	if (err) {
+		WL_ERROR("%s: ieee80211_register_hw failed, status %d\n",
+			 __func__, err);
+	}
+
+	if (wl->pub->srom_ccode[0])
+		err = wl_set_hint(wl, wl->pub->srom_ccode);
+	else
+		err = wl_set_hint(wl, "US");
+	if (err) {
+		WL_ERROR("%s: regulatory_hint failed, status %d\n",
+			 __func__, err);
+	}
+
+	wl_found++;
+	return wl;
+
+fail:
+	wl_free(wl);
+fail1:
+	return NULL;
+}
+
+
+
+#define CHAN2GHZ(channel, freqency, chflags)  { \
+	.band = IEEE80211_BAND_2GHZ, \
+	.center_freq = (freqency), \
+	.hw_value = (channel), \
+	.flags = chflags, \
+	.max_antenna_gain = 0, \
+	.max_power = 19, \
+}
+
+static struct ieee80211_channel wl_2ghz_chantable[] = {
+	CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN2GHZ(5, 2432, 0),
+	CHAN2GHZ(6, 2437, 0),
+	CHAN2GHZ(7, 2442, 0),
+	CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN2GHZ(12, 2467,
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN2GHZ(13, 2472,
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN2GHZ(14, 2484,
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+#define CHAN5GHZ(channel, chflags)  { \
+	.band = IEEE80211_BAND_5GHZ, \
+	.center_freq = 5000 + 5*(channel), \
+	.hw_value = (channel), \
+	.flags = chflags, \
+	.max_antenna_gain = 0, \
+	.max_power = 21, \
+}
+
+static struct ieee80211_channel wl_5ghz_nphy_chantable[] = {
+	/* UNII-1 */
+	CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
+	/* UNII-2 */
+	CHAN5GHZ(52,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(56,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(60,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(64,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+	/* MID */
+	CHAN5GHZ(100,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(104,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(108,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(112,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(116,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(120,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(124,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(128,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(132,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(136,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(140,
+		 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+		 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
+		 IEEE80211_CHAN_NO_HT40MINUS),
+	/* UNII-3 */
+	CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
+	CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
+	CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+#define RATE(rate100m, _flags) { \
+	.bitrate = (rate100m), \
+	.flags = (_flags), \
+	.hw_value = (rate100m / 5), \
+}
+
+static struct ieee80211_rate wl_legacy_ratetable[] = {
+	RATE(10, 0),
+	RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(60, 0),
+	RATE(90, 0),
+	RATE(120, 0),
+	RATE(180, 0),
+	RATE(240, 0),
+	RATE(360, 0),
+	RATE(480, 0),
+	RATE(540, 0),
+};
+
+static struct ieee80211_supported_band wl_band_2GHz_nphy = {
+	.band = IEEE80211_BAND_2GHZ,
+	.channels = wl_2ghz_chantable,
+	.n_channels = ARRAY_SIZE(wl_2ghz_chantable),
+	.bitrates = wl_legacy_ratetable,
+	.n_bitrates = ARRAY_SIZE(wl_legacy_ratetable),
+	.ht_cap = {
+		   /* from include/linux/ieee80211.h */
+		   .cap = IEEE80211_HT_CAP_GRN_FLD |
+		   IEEE80211_HT_CAP_SGI_20 |
+		   IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
+		   .ht_supported = true,
+		   .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+		   .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+		   .mcs = {
+			   /* placeholders for now */
+			   .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+			   .rx_highest = 500,
+			   .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+		   }
+};
+
+static struct ieee80211_supported_band wl_band_5GHz_nphy = {
+	.band = IEEE80211_BAND_5GHZ,
+	.channels = wl_5ghz_nphy_chantable,
+	.n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable),
+	.bitrates = wl_legacy_ratetable + 4,
+	.n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4,
+	.ht_cap = {
+		   /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
+		   .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,	/* No 40 mhz yet */
+		   .ht_supported = true,
+		   .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+		   .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+		   .mcs = {
+			   /* placeholders for now */
+			   .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+			   .rx_highest = 500,
+			   .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+		   }
+};
+
+/*
+ * is called in wl_pci_probe() context, therefore no locking required.
+ */
+static int ieee_hw_rate_init(struct ieee80211_hw *hw)
+{
+	struct wl_info *wl = HW_TO_WL(hw);
+	int has_5g;
+	char phy_list[4];
+
+	has_5g = 0;
+
+	hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
+	hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
+
+	if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
+		WL_ERROR("Phy list failed\n");
+	}
+	WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]);
+
+	if (phy_list[0] == 'n' || phy_list[0] == 'c') {
+		if (phy_list[0] == 'c') {
+			/* Single stream */
+			wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
+			wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
+		}
+		hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy;
+	} else {
+		BUG();
+		return -1;
+	}
+
+	/* Assume all bands use the same phy.  True for 11n devices. */
+	if (NBANDS_PUB(wl->pub) > 1) {
+		has_5g++;
+		if (phy_list[0] == 'n' || phy_list[0] == 'c') {
+			hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+			    &wl_band_5GHz_nphy;
+		} else {
+			return -1;
+		}
+	}
+
+	WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g);
+
+	return 0;
+}
+
+/*
+ * is called in wl_pci_probe() context, therefore no locking required.
+ */
+static int ieee_hw_init(struct ieee80211_hw *hw)
+{
+	hw->flags = IEEE80211_HW_SIGNAL_DBM
+	    /* | IEEE80211_HW_CONNECTION_MONITOR  What is this? */
+	    | IEEE80211_HW_REPORTS_TX_ACK_STATUS
+	    | IEEE80211_HW_AMPDU_AGGREGATION;
+
+	hw->extra_tx_headroom = wlc_get_header_len();
+	/* FIXME: should get this from wlc->machwcap */
+	hw->queues = 4;
+	/* FIXME: this doesn't seem to be used properly in minstrel_ht.
+	 * mac80211/status.c:ieee80211_tx_status() checks this value,
+	 * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
+	 * appears to always set 3 rates
+	 */
+	hw->max_rates = 2;	/* Primary rate and 1 fallback rate */
+
+	hw->channel_change_time = 7 * 1000;	/* channel change time is dependent on chip and band  */
+	hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+	hw->rate_control_algorithm = "minstrel_ht";
+
+	hw->sta_data_size = sizeof(struct scb);
+	return ieee_hw_rate_init(hw);
+}
+
+/**
+ * determines if a device is a WL device, and if so, attaches it.
+ *
+ * This function determines if a device pointed to by pdev is a WL device,
+ * and if so, performs a wl_attach() on it.
+ *
+ * Perimeter lock is initialized in the course of this function.
+ */
+static int __devinit
+wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	int rc;
+	struct wl_info *wl;
+	struct ieee80211_hw *hw;
+	u32 val;
+
+	ASSERT(pdev);
+
+	WL_TRACE("%s: bus %d slot %d func %d irq %d\n",
+		 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
+		 PCI_FUNC(pdev->devfn), pdev->irq);
+
+	if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
+	    (((pdev->device & 0xff00) != 0x4300) &&
+	     ((pdev->device & 0xff00) != 0x4700) &&
+	     ((pdev->device < 43000) || (pdev->device > 43999))))
+		return -ENODEV;
+
+	rc = pci_enable_device(pdev);
+	if (rc) {
+		WL_ERROR("%s: Cannot enable device %d-%d_%d\n",
+			 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
+			 PCI_FUNC(pdev->devfn));
+		return -ENODEV;
+	}
+	pci_set_master(pdev);
+
+	pci_read_config_dword(pdev, 0x40, &val);
+	if ((val & 0x0000ff00) != 0)
+		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+	hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops);
+	if (!hw) {
+		WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__);
+		rc = -ENOMEM;
+		goto err_1;
+	}
+
+	SET_IEEE80211_DEV(hw, &pdev->dev);
+
+	pci_set_drvdata(pdev, hw);
+
+	memset(hw->priv, 0, sizeof(*wl));
+
+	wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0),
+		       PCI_BUS, pdev, pdev->irq);
+
+	if (!wl) {
+		WL_ERROR("%s: %s: wl_attach failed!\n",
+			 KBUILD_MODNAME, __func__);
+		return -ENODEV;
+	}
+	return 0;
+ err_1:
+	WL_ERROR("%s: err_1: Major hoarkage\n", __func__);
+	return 0;
+}
+
+static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	struct wl_info *wl;
+	struct ieee80211_hw *hw;
+
+	WL_TRACE("wl: wl_suspend\n");
+
+	hw = pci_get_drvdata(pdev);
+	wl = HW_TO_WL(hw);
+	if (!wl) {
+		WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n");
+		return -ENODEV;
+	}
+
+	/* only need to flag hw is down for proper resume */
+	WL_LOCK(wl);
+	wl->pub->hw_up = false;
+	WL_UNLOCK(wl);
+
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+	return pci_set_power_state(pdev, PCI_D3hot);
+}
+
+static int wl_resume(struct pci_dev *pdev)
+{
+	struct wl_info *wl;
+	struct ieee80211_hw *hw;
+	int err = 0;
+	u32 val;
+
+	WL_TRACE("wl: wl_resume\n");
+	hw = pci_get_drvdata(pdev);
+	wl = HW_TO_WL(hw);
+	if (!wl) {
+		WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n");
+		return -ENODEV;
+	}
+
+	err = pci_set_power_state(pdev, PCI_D0);
+	if (err)
+		return err;
+
+	pci_restore_state(pdev);
+
+	err = pci_enable_device(pdev);
+	if (err)
+		return err;
+
+	pci_set_master(pdev);
+
+	pci_read_config_dword(pdev, 0x40, &val);
+	if ((val & 0x0000ff00) != 0)
+		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+	/*
+	*  done. driver will be put in up state
+	*  in wl_ops_add_interface() call.
+	*/
+	return err;
+}
+
+/*
+* called from both kernel as from wl_*()
+* precondition: perimeter lock is not acquired.
+*/
+static void wl_remove(struct pci_dev *pdev)
+{
+	struct wl_info *wl;
+	struct ieee80211_hw *hw;
+	int status;
+
+	hw = pci_get_drvdata(pdev);
+	wl = HW_TO_WL(hw);
+	if (!wl) {
+		WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n");
+		return;
+	}
+
+	WL_LOCK(wl);
+	status = wlc_chipmatch(pdev->vendor, pdev->device);
+	WL_UNLOCK(wl);
+	if (!status) {
+		WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n");
+		return;
+	}
+	if (wl->wlc) {
+		wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
+		wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
+		ieee80211_unregister_hw(hw);
+		WL_LOCK(wl);
+		wl_down(wl);
+		WL_UNLOCK(wl);
+		WL_NONE("%s: Down\n", __func__);
+	}
+	pci_disable_device(pdev);
+
+	wl_free(wl);
+
+	pci_set_drvdata(pdev, NULL);
+	ieee80211_free_hw(hw);
+}
+
+static struct pci_driver wl_pci_driver = {
+	.name     = KBUILD_MODNAME,
+	.probe    = wl_pci_probe,
+	.suspend  = wl_suspend,
+	.resume   = wl_resume,
+	.remove   = __devexit_p(wl_remove),
+	.id_table = wl_id_table,
+};
+
+/**
+ * This is the main entry point for the WL driver.
+ *
+ * This function determines if a device pointed to by pdev is a WL device,
+ * and if so, performs a wl_attach() on it.
+ *
+ */
+static int __init wl_module_init(void)
+{
+	int error = -ENODEV;
+
+#ifdef BCMDBG
+	if (msglevel != 0xdeadbeef)
+		wl_msg_level = msglevel;
+	else {
+		char *var = getvar(NULL, "wl_msglevel");
+		if (var) {
+			unsigned long value;
+
+			(void)strict_strtoul(var, 0, &value);
+			wl_msg_level = value;
+		}
+	}
+	if (phymsglevel != 0xdeadbeef)
+		phyhal_msg_level = phymsglevel;
+	else {
+		char *var = getvar(NULL, "phy_msglevel");
+		if (var) {
+			unsigned long value;
+
+			(void)strict_strtoul(var, 0, &value);
+			phyhal_msg_level = value;
+		}
+	}
+#endif				/* BCMDBG */
+
+	error = pci_register_driver(&wl_pci_driver);
+	if (!error)
+		return 0;
+
+
+
+	return error;
+}
+
+/**
+ * This function unloads the WL driver from the system.
+ *
+ * This function unconditionally unloads the WL driver module from the
+ * system.
+ *
+ */
+static void __exit wl_module_exit(void)
+{
+	pci_unregister_driver(&wl_pci_driver);
+
+}
+
+module_init(wl_module_init);
+module_exit(wl_module_exit);
+
+/**
+ * This function frees the WL per-device resources.
+ *
+ * This function frees resources owned by the WL device pointed to
+ * by the wl parameter.
+ *
+ * precondition: can both be called locked and unlocked
+ *
+ */
+static void wl_free(struct wl_info *wl)
+{
+	struct wl_timer *t, *next;
+
+	ASSERT(wl);
+	/* free ucode data */
+	if (wl->fw.fw_cnt)
+		wl_ucode_data_free();
+	if (wl->irq)
+		free_irq(wl->irq, wl);
+
+	/* kill dpc */
+	tasklet_kill(&wl->tasklet);
+
+	if (wl->pub) {
+		wlc_module_unregister(wl->pub, "linux", wl);
+	}
+
+	/* free common resources */
+	if (wl->wlc) {
+		wlc_detach(wl->wlc);
+		wl->wlc = NULL;
+		wl->pub = NULL;
+	}
+
+	/* virtual interface deletion is deferred so we cannot spinwait */
+
+	/* wait for all pending callbacks to complete */
+	while (atomic_read(&wl->callbacks) > 0)
+		schedule();
+
+	/* free timers */
+	for (t = wl->timers; t; t = next) {
+		next = t->next;
+#ifdef BCMDBG
+		kfree(t->name);
+#endif
+		kfree(t);
+	}
+
+	/*
+	 * unregister_netdev() calls get_stats() which may read chip registers
+	 * so we cannot unmap the chip registers until after calling unregister_netdev() .
+	 */
+	if (wl->regsva && wl->bcm_bustype != SDIO_BUS &&
+	    wl->bcm_bustype != JTAG_BUS) {
+		iounmap((void *)wl->regsva);
+	}
+	wl->regsva = NULL;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state,
+		      int prio)
+{
+	WL_ERROR("Shouldn't be here %s\n", __func__);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void wl_init(struct wl_info *wl)
+{
+	WL_TRACE("wl%d: wl_init\n", wl->pub->unit);
+
+	wl_reset(wl);
+
+	wlc_init(wl->wlc);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+uint wl_reset(struct wl_info *wl)
+{
+	WL_TRACE("wl%d: wl_reset\n", wl->pub->unit);
+
+	wlc_reset(wl->wlc);
+
+	/* dpc will not be rescheduled */
+	wl->resched = 0;
+
+	return 0;
+}
+
+/*
+ * These are interrupt on/off entry points. Disable interrupts
+ * during interrupt state transition.
+ */
+void BCMFASTPATH wl_intrson(struct wl_info *wl)
+{
+	unsigned long flags;
+
+	INT_LOCK(wl, flags);
+	wlc_intrson(wl->wlc);
+	INT_UNLOCK(wl, flags);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth)
+{
+	return true;
+}
+
+u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl)
+{
+	unsigned long flags;
+	u32 status;
+
+	INT_LOCK(wl, flags);
+	status = wlc_intrsoff(wl->wlc);
+	INT_UNLOCK(wl, flags);
+	return status;
+}
+
+void wl_intrsrestore(struct wl_info *wl, u32 macintmask)
+{
+	unsigned long flags;
+
+	INT_LOCK(wl, flags);
+	wlc_intrsrestore(wl->wlc, macintmask);
+	INT_UNLOCK(wl, flags);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+int wl_up(struct wl_info *wl)
+{
+	int error = 0;
+
+	if (wl->pub->up)
+		return 0;
+
+	error = wlc_up(wl->wlc);
+
+	return error;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void wl_down(struct wl_info *wl)
+{
+	uint callbacks, ret_val = 0;
+
+	/* call common down function */
+	ret_val = wlc_down(wl->wlc);
+	callbacks = atomic_read(&wl->callbacks) - ret_val;
+
+	/* wait for down callbacks to complete */
+	WL_UNLOCK(wl);
+
+	/* For HIGH_only driver, it's important to actually schedule other work,
+	 * not just spin wait since everything runs at schedule level
+	 */
+	SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
+
+	WL_LOCK(wl);
+}
+
+static irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
+{
+	struct wl_info *wl;
+	bool ours, wantdpc;
+	unsigned long flags;
+
+	wl = (struct wl_info *) dev_id;
+
+	WL_ISRLOCK(wl, flags);
+
+	/* call common first level interrupt handler */
+	ours = wlc_isr(wl->wlc, &wantdpc);
+	if (ours) {
+		/* if more to do... */
+		if (wantdpc) {
+
+			/* ...and call the second level interrupt handler */
+			/* schedule dpc */
+			ASSERT(wl->resched == false);
+			tasklet_schedule(&wl->tasklet);
+		}
+	}
+
+	WL_ISRUNLOCK(wl, flags);
+
+	return IRQ_RETVAL(ours);
+}
+
+static void BCMFASTPATH wl_dpc(unsigned long data)
+{
+	struct wl_info *wl;
+
+	wl = (struct wl_info *) data;
+
+	WL_LOCK(wl);
+
+	/* call the common second level interrupt handler */
+	if (wl->pub->up) {
+		if (wl->resched) {
+			unsigned long flags;
+
+			INT_LOCK(wl, flags);
+			wlc_intrsupd(wl->wlc);
+			INT_UNLOCK(wl, flags);
+		}
+
+		wl->resched = wlc_dpc(wl->wlc, true);
+	}
+
+	/* wlc_dpc() may bring the driver down */
+	if (!wl->pub->up)
+		goto done;
+
+	/* re-schedule dpc */
+	if (wl->resched)
+		tasklet_schedule(&wl->tasklet);
+	else {
+		/* re-enable interrupts */
+		wl_intrson(wl);
+	}
+
+ done:
+	WL_UNLOCK(wl);
+}
+
+/*
+ * is called by the kernel from software irq context
+ */
+static void wl_timer(unsigned long data)
+{
+	_wl_timer((struct wl_timer *) data);
+}
+
+/*
+* precondition: perimeter lock is not acquired
+ */
+static void _wl_timer(struct wl_timer *t)
+{
+	WL_LOCK(t->wl);
+
+	if (t->set) {
+		if (t->periodic) {
+			t->timer.expires = jiffies + t->ms * HZ / 1000;
+			atomic_inc(&t->wl->callbacks);
+			add_timer(&t->timer);
+			t->set = true;
+		} else
+			t->set = false;
+
+		t->fn(t->arg);
+	}
+
+	atomic_dec(&t->wl->callbacks);
+
+	WL_UNLOCK(t->wl);
+}
+
+/*
+ * Adds a timer to the list. Caller supplies a timer function.
+ * Is called from wlc.
+ *
+ * precondition: perimeter lock has been acquired
+ */
+struct wl_timer *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg),
+			       void *arg, const char *name)
+{
+	struct wl_timer *t;
+
+	t = kzalloc(sizeof(struct wl_timer), GFP_ATOMIC);
+	if (!t) {
+		WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit);
+		return 0;
+	}
+
+	init_timer(&t->timer);
+	t->timer.data = (unsigned long) t;
+	t->timer.function = wl_timer;
+	t->wl = wl;
+	t->fn = fn;
+	t->arg = arg;
+	t->next = wl->timers;
+	wl->timers = t;
+
+#ifdef BCMDBG
+	t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
+	if (t->name)
+		strcpy(t->name, name);
+#endif
+
+	return t;
+}
+
+/* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
+ * as well as it's easier to make it periodic
+ *
+ * precondition: perimeter lock has been acquired
+ */
+void wl_add_timer(struct wl_info *wl, struct wl_timer *t, uint ms, int periodic)
+{
+#ifdef BCMDBG
+	if (t->set) {
+		WL_ERROR("%s: Already set. Name: %s, per %d\n",
+			 __func__, t->name, periodic);
+	}
+#endif
+	ASSERT(!t->set);
+
+	t->ms = ms;
+	t->periodic = (bool) periodic;
+	t->set = true;
+	t->timer.expires = jiffies + ms * HZ / 1000;
+
+	atomic_inc(&wl->callbacks);
+	add_timer(&t->timer);
+}
+
+/*
+ * return true if timer successfully deleted, false if still pending
+ *
+ * precondition: perimeter lock has been acquired
+ */
+bool wl_del_timer(struct wl_info *wl, struct wl_timer *t)
+{
+	if (t->set) {
+		t->set = false;
+		if (!del_timer(&t->timer)) {
+			return false;
+		}
+		atomic_dec(&wl->callbacks);
+	}
+
+	return true;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void wl_free_timer(struct wl_info *wl, struct wl_timer *t)
+{
+	struct wl_timer *tmp;
+
+	/* delete the timer in case it is active */
+	wl_del_timer(wl, t);
+
+	if (wl->timers == t) {
+		wl->timers = wl->timers->next;
+#ifdef BCMDBG
+		kfree(t->name);
+#endif
+		kfree(t);
+		return;
+
+	}
+
+	tmp = wl->timers;
+	while (tmp) {
+		if (tmp->next == t) {
+			tmp->next = t->next;
+#ifdef BCMDBG
+			kfree(t->name);
+#endif
+			kfree(t);
+			return;
+		}
+		tmp = tmp->next;
+	}
+
+}
+
+/*
+ * runs in software irq context
+ *
+ * precondition: perimeter lock is not acquired
+ */
+static int wl_linux_watchdog(void *ctx)
+{
+	struct wl_info *wl = (struct wl_info *) ctx;
+	struct wl_cnt *cnt;
+	struct net_device_stats *stats = NULL;
+	uint id;
+	/* refresh stats */
+	if (wl->pub->up) {
+		ASSERT(wl->stats_id < 2);
+
+		cnt = wl->pub->_cnt;
+		id = 1 - wl->stats_id;
+		stats = &wl->stats_watchdog[id];
+		stats->rx_packets = cnt->rxframe;
+		stats->tx_packets = cnt->txframe;
+		stats->rx_bytes = cnt->rxbyte;
+		stats->tx_bytes = cnt->txbyte;
+		stats->rx_errors = cnt->rxerror;
+		stats->tx_errors = cnt->txerror;
+		stats->collisions = 0;
+
+		stats->rx_length_errors = 0;
+		stats->rx_over_errors = cnt->rxoflo;
+		stats->rx_crc_errors = cnt->rxcrc;
+		stats->rx_frame_errors = 0;
+		stats->rx_fifo_errors = cnt->rxoflo;
+		stats->rx_missed_errors = 0;
+
+		stats->tx_fifo_errors = cnt->txuflo;
+
+		wl->stats_id = id;
+	}
+
+	return 0;
+}
+
+struct wl_fw_hdr {
+	u32 offset;
+	u32 len;
+	u32 idx;
+};
+
+char *wl_firmwares[WL_MAX_FW] = {
+	"brcm/bcm43xx",
+	NULL
+};
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, u32 idx)
+{
+	int i, entry;
+	const u8 *pdata;
+	struct wl_fw_hdr *hdr;
+	for (i = 0; i < wl->fw.fw_cnt; i++) {
+		hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
+		for (entry = 0; entry < wl->fw.hdr_num_entries[i];
+		     entry++, hdr++) {
+			if (hdr->idx == idx) {
+				pdata = wl->fw.fw_bin[i]->data + hdr->offset;
+				*pbuf = kmalloc(hdr->len, GFP_ATOMIC);
+				if (*pbuf == NULL) {
+					WL_ERROR("fail to alloc %d bytes\n",
+						 hdr->len);
+					goto fail;
+				}
+				memcpy(*pbuf, pdata, hdr->len);
+				return 0;
+			}
+		}
+	}
+	WL_ERROR("ERROR: ucode buf tag:%d can not be found!\n", idx);
+	*pbuf = NULL;
+fail:
+	return BCME_NOTFOUND;
+}
+
+/*
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
+ */
+int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx)
+{
+	int i, entry;
+	const u8 *pdata;
+	struct wl_fw_hdr *hdr;
+	for (i = 0; i < wl->fw.fw_cnt; i++) {
+		hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
+		for (entry = 0; entry < wl->fw.hdr_num_entries[i];
+		     entry++, hdr++) {
+			if (hdr->idx == idx) {
+				pdata = wl->fw.fw_bin[i]->data + hdr->offset;
+				ASSERT(hdr->len == 4);
+				*data = *((u32 *) pdata);
+				return 0;
+			}
+		}
+	}
+	WL_ERROR("ERROR: ucode tag:%d can not be found!\n", idx);
+	return -1;
+}
+
+/*
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
+ */
+static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev)
+{
+	int status;
+	struct device *device = &pdev->dev;
+	char fw_name[100];
+	int i;
+
+	memset((void *)&wl->fw, 0, sizeof(struct wl_firmware));
+	for (i = 0; i < WL_MAX_FW; i++) {
+		if (wl_firmwares[i] == NULL)
+			break;
+		sprintf(fw_name, "%s-%d.fw", wl_firmwares[i],
+			UCODE_LOADER_API_VER);
+		WL_NONE("request fw %s\n", fw_name);
+		status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
+		if (status) {
+			WL_ERROR("%s: fail to load firmware %s\n",
+				 KBUILD_MODNAME, fw_name);
+			return status;
+		}
+		WL_NONE("request fw %s\n", fw_name);
+		sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i],
+			UCODE_LOADER_API_VER);
+		status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
+		if (status) {
+			WL_ERROR("%s: fail to load firmware %s\n",
+				 KBUILD_MODNAME, fw_name);
+			return status;
+		}
+		wl->fw.hdr_num_entries[i] =
+		    wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr));
+		WL_NONE("request fw %s find: %d entries\n",
+			fw_name, wl->fw.hdr_num_entries[i]);
+	}
+	wl->fw.fw_cnt = i;
+	return wl_ucode_data_init(wl);
+}
+
+/*
+ * precondition: can both be called locked and unlocked
+ */
+void wl_ucode_free_buf(void *p)
+{
+	kfree(p);
+}
+
+/*
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
+ */
+static void wl_release_fw(struct wl_info *wl)
+{
+	int i;
+	for (i = 0; i < WL_MAX_FW; i++) {
+		release_firmware(wl->fw.fw_bin[i]);
+		release_firmware(wl->fw.fw_hdr[i]);
+	}
+}
+
+
+/*
+ * checks validity of all firmware images loaded from user space
+ *
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
+ */
+int wl_check_firmwares(struct wl_info *wl)
+{
+	int i;
+	int entry;
+	int rc = 0;
+	const struct firmware *fw;
+	const struct firmware *fw_hdr;
+	struct wl_fw_hdr *ucode_hdr;
+	for (i = 0; i < WL_MAX_FW && rc == 0; i++) {
+		fw =  wl->fw.fw_bin[i];
+		fw_hdr = wl->fw.fw_hdr[i];
+		if (fw == NULL && fw_hdr == NULL) {
+			break;
+		} else if (fw == NULL || fw_hdr == NULL) {
+			WL_ERROR("%s: invalid bin/hdr fw\n", __func__);
+			rc = -EBADF;
+		} else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) {
+			WL_ERROR("%s: non integral fw hdr file size %zu/%zu\n",
+				 __func__, fw_hdr->size,
+				 sizeof(struct wl_fw_hdr));
+			rc = -EBADF;
+		} else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
+			WL_ERROR("%s: out of bounds fw file size %zu\n",
+				 __func__, fw->size);
+			rc = -EBADF;
+		} else {
+			/* check if ucode section overruns firmware image */
+			ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data;
+			for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
+			     !rc; entry++, ucode_hdr++) {
+				if (ucode_hdr->offset + ucode_hdr->len >
+				    fw->size) {
+					WL_ERROR("%s: conflicting bin/hdr\n",
+						 __func__);
+					rc = -EBADF;
+				}
+			}
+		}
+	}
+	if (rc == 0 && wl->fw.fw_cnt != i) {
+		WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt);
+		rc = -EBADF;
+	}
+	return rc;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+bool wl_rfkill_set_hw_state(struct wl_info *wl)
+{
+	bool blocked = wlc_check_radio_disabled(wl->wlc);
+
+	WL_NONE("%s: update hw state: blocked=%s\n", __func__,
+		blocked ? "true" : "false");
+	WL_UNLOCK(wl);
+	wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
+	if (blocked)
+		wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
+	WL_LOCK(wl);
+	return blocked;
+}