Merge branch 'for-linville' of git://github.com/kvalo/ath6kl

drivers/net/wireless/ath/ath6kl/Kconfig

@@ -30,3 +30,12 @@ config ATH6KL_DEBUG
 	depends on ATH6KL
 	---help---
 	  Enables debug support
+
+config ATH6KL_REGDOMAIN
+	bool "Atheros ath6kl regdomain support"
+	depends on ATH6KL
+	depends on CFG80211_CERTIFICATION_ONUS
+	---help---
+	  Enabling this makes it possible to change the regdomain in
+	  the firmware. This can be only enabled if regulatory requirements
+	  are taken into account.

drivers/net/wireless/ath/ath6kl/Makefile

@@ -34,6 +34,7 @@ ath6kl_core-y += main.o
 ath6kl_core-y += txrx.o
 ath6kl_core-y += wmi.o
 ath6kl_core-y += core.o
+ath6kl_core-y += recovery.o
 ath6kl_core-$(CONFIG_NL80211_TESTMODE) += testmode.o
 
 obj-$(CONFIG_ATH6KL_SDIO) += ath6kl_sdio.o

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -147,15 +147,15 @@ static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
 {
 	struct ath6kl *ar = vif->ar;
 
-	if (ar->state != ATH6KL_STATE_SCHED_SCAN)
+	if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
 		return false;
 
 	del_timer_sync(&vif->sched_scan_timer);
 
-	ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
-					   ATH6KL_HOST_MODE_AWAKE);
+	if (ar->state == ATH6KL_STATE_RECOVERY)
+		return true;
 
-	ar->state = ATH6KL_STATE_ON;
+	ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
 
 	return true;
 }
@@ -369,17 +369,13 @@ static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
 {
 	switch (type) {
 	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_P2P_CLIENT:
 		*nw_type = INFRA_NETWORK;
 		break;
 	case NL80211_IFTYPE_ADHOC:
 		*nw_type = ADHOC_NETWORK;
 		break;
 	case NL80211_IFTYPE_AP:
-		*nw_type = AP_NETWORK;
-		break;
-	case NL80211_IFTYPE_P2P_CLIENT:
-		*nw_type = INFRA_NETWORK;
-		break;
 	case NL80211_IFTYPE_P2P_GO:
 		*nw_type = AP_NETWORK;
 		break;
@@ -1031,30 +1027,15 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
 
 	vif->scan_req = request;
 
-	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
-		     ar->fw_capabilities)) {
-		/*
-		 * If capable of doing P2P mgmt operations using
-		 * station interface, send additional information like
-		 * supported rates to advertise and xmit rates for
-		 * probe requests
-		 */
-		ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
-						WMI_LONG_SCAN, force_fg_scan,
-						false, 0,
-						ATH6KL_FG_SCAN_INTERVAL,
-						n_channels, channels,
-						request->no_cck,
-						request->rates);
-	} else {
-		ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx,
-						WMI_LONG_SCAN, force_fg_scan,
-						false, 0,
-						ATH6KL_FG_SCAN_INTERVAL,
-						n_channels, channels);
-	}
+	ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
+				       WMI_LONG_SCAN, force_fg_scan,
+				       false, 0,
+				       ATH6KL_FG_SCAN_INTERVAL,
+				       n_channels, channels,
+				       request->no_cck,
+				       request->rates);
 	if (ret) {
-		ath6kl_err("wmi_startscan_cmd failed\n");
+		ath6kl_err("failed to start scan: %d\n", ret);
 		vif->scan_req = NULL;
 	}
 
@@ -1888,7 +1869,7 @@ static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
 			  struct cfg80211_wowlan *wow, u32 *filter)
 {
 	int ret, pos;
-	u8 mask[WOW_MASK_SIZE];
+	u8 mask[WOW_PATTERN_SIZE];
 	u16 i;
 
 	/* Configure the patterns that we received from the user. */
@@ -2106,33 +2087,16 @@ static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
 	return ret;
 }
 
-static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
+static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
+				  struct cfg80211_wowlan *wow, u32 *filter)
 {
+	struct ath6kl *ar = vif->ar;
 	struct in_device *in_dev;
 	struct in_ifaddr *ifa;
-	struct ath6kl_vif *vif;
 	int ret;
-	u32 filter = 0;
 	u16 i, bmiss_time;
-	u8 index = 0;
 	__be32 ips[MAX_IP_ADDRS];
-
-	/* The FW currently can't support multi-vif WoW properly. */
-	if (ar->num_vif > 1)
-		return -EIO;
-
-	vif = ath6kl_vif_first(ar);
-	if (!vif)
-		return -EIO;
-
-	if (!ath6kl_cfg80211_ready(vif))
-		return -EIO;
-
-	if (!test_bit(CONNECTED, &vif->flags))
-		return -ENOTCONN;
-
-	if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
-		return -EINVAL;
+	u8 index = 0;
 
 	if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
 	    test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
@@ -2154,7 +2118,7 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
 	 * the user.
 	 */
 	if (wow)
-		ret = ath6kl_wow_usr(ar, vif, wow, &filter);
+		ret = ath6kl_wow_usr(ar, vif, wow, filter);
 	else if (vif->nw_type == AP_NETWORK)
 		ret = ath6kl_wow_ap(ar, vif);
 	else
@@ -2189,12 +2153,10 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
 			return ret;
 	}
 
-	ar->state = ATH6KL_STATE_SUSPENDING;
-
 	/* Setup own IP addr for ARP agent. */
 	in_dev = __in_dev_get_rtnl(vif->ndev);
 	if (!in_dev)
-		goto skip_arp;
+		return 0;
 
 	ifa = in_dev->ifa_list;
 	memset(&ips, 0, sizeof(ips));
@@ -2217,41 +2179,61 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
 		return ret;
 	}
 
-skip_arp:
-	ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
+	return ret;
+}
+
+static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
+{
+	struct ath6kl_vif *first_vif, *vif;
+	int ret = 0;
+	u32 filter = 0;
+	bool connected = false;
+
+	/* enter / leave wow suspend on first vif always */
+	first_vif = ath6kl_vif_first(ar);
+	if (WARN_ON(unlikely(!first_vif)) ||
+	    !ath6kl_cfg80211_ready(first_vif))
+		return -EIO;
+
+	if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
+		return -EINVAL;
+
+	/* install filters for each connected vif */
+	spin_lock_bh(&ar->list_lock);
+	list_for_each_entry(vif, &ar->vif_list, list) {
+		if (!test_bit(CONNECTED, &vif->flags) ||
+		    !ath6kl_cfg80211_ready(vif))
+			continue;
+		connected = true;
+
+		ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
+		if (ret)
+			break;
+	}
+	spin_unlock_bh(&ar->list_lock);
+
+	if (!connected)
+		return -ENOTCONN;
+	else if (ret)
+		return ret;
+
+	ar->state = ATH6KL_STATE_SUSPENDING;
+
+	ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
 					  ATH6KL_WOW_MODE_ENABLE,
 					  filter,
 					  WOW_HOST_REQ_DELAY);
 	if (ret)
 		return ret;
 
-	ret = ath6kl_cfg80211_host_sleep(ar, vif);
-	if (ret)
-		return ret;
-
-	return 0;
+	return ath6kl_cfg80211_host_sleep(ar, first_vif);
 }
 
-static int ath6kl_wow_resume(struct ath6kl *ar)
+static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
 {
-	struct ath6kl_vif *vif;
+	struct ath6kl *ar = vif->ar;
 	int ret;
 
-	vif = ath6kl_vif_first(ar);
-	if (!vif)
-		return -EIO;
-
-	ar->state = ATH6KL_STATE_RESUMING;
-
-	ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
-						 ATH6KL_HOST_MODE_AWAKE);
-	if (ret) {
-		ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
-			    ret);
-		ar->state = ATH6KL_STATE_WOW;
-		return ret;
-	}
-
 	if (vif->nw_type != AP_NETWORK) {
 		ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
 						0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
@@ -2269,13 +2251,11 @@ static int ath6kl_wow_resume(struct ath6kl *ar)
 			return ret;
 	}
 
-	ar->state = ATH6KL_STATE_ON;
-
 	if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
 	    test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
 		     ar->fw_capabilities)) {
 		ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
-					vif->fw_vif_idx, true);
+						  vif->fw_vif_idx, true);
 		if (ret)
 			return ret;
 	}
@@ -2285,6 +2265,48 @@ static int ath6kl_wow_resume(struct ath6kl *ar)
 	return 0;
 }
 
+static int ath6kl_wow_resume(struct ath6kl *ar)
+{
+	struct ath6kl_vif *vif;
+	int ret;
+
+	vif = ath6kl_vif_first(ar);
+	if (WARN_ON(unlikely(!vif)) ||
+	    !ath6kl_cfg80211_ready(vif))
+		return -EIO;
+
+	ar->state = ATH6KL_STATE_RESUMING;
+
+	ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
+						 ATH6KL_HOST_MODE_AWAKE);
+	if (ret) {
+		ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
+			    ret);
+		goto cleanup;
+	}
+
+	spin_lock_bh(&ar->list_lock);
+	list_for_each_entry(vif, &ar->vif_list, list) {
+		if (!test_bit(CONNECTED, &vif->flags) ||
+		    !ath6kl_cfg80211_ready(vif))
+			continue;
+		ret = ath6kl_wow_resume_vif(vif);
+		if (ret)
+			break;
+	}
+	spin_unlock_bh(&ar->list_lock);
+
+	if (ret)
+		goto cleanup;
+
+	ar->state = ATH6KL_STATE_ON;
+	return 0;
+
+cleanup:
+	ar->state = ATH6KL_STATE_WOW;
+	return ret;
+}
+
 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
 {
 	struct ath6kl_vif *vif;
@@ -2421,13 +2443,6 @@ int ath6kl_cfg80211_suspend(struct ath6kl *ar,
 
 		break;
 
-	case ATH6KL_CFG_SUSPEND_SCHED_SCAN:
-		/*
-		 * Nothing needed for schedule scan, firmware is already in
-		 * wow mode and sleeping most of the time.
-		 */
-		break;
-
 	default:
 		break;
 	}
@@ -2475,9 +2490,6 @@ int ath6kl_cfg80211_resume(struct ath6kl *ar)
 		}
 		break;
 
-	case ATH6KL_STATE_SCHED_SCAN:
-		break;
-
 	default:
 		break;
 	}
@@ -2494,14 +2506,23 @@ static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
 {
 	struct ath6kl *ar = wiphy_priv(wiphy);
 
+	ath6kl_recovery_suspend(ar);
+
 	return ath6kl_hif_suspend(ar, wow);
 }
 
 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
 {
 	struct ath6kl *ar = wiphy_priv(wiphy);
+	int err;
+
+	err = ath6kl_hif_resume(ar);
+	if (err)
+		return err;
+
+	ath6kl_recovery_resume(ar);
 
-	return ath6kl_hif_resume(ar);
+	return 0;
 }
 
 /*
@@ -2738,6 +2759,7 @@ static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
 	int res;
 	int i, ret;
 	u16 rsn_capab = 0;
+	int inactivity_timeout = 0;
 
 	ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
 
@@ -2874,8 +2896,15 @@ static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
 	}
 
 	if (info->inactivity_timeout) {
+
+		inactivity_timeout = info->inactivity_timeout;
+
+		if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS)
+			inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
+							  60);
+
 		res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
-						  info->inactivity_timeout);
+						  inactivity_timeout);
 		if (res < 0)
 			return res;
 	}
@@ -2897,6 +2926,7 @@ static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
 					    WLAN_EID_RSN, WMI_RSN_IE_CAPB,
 					    (const u8 *) &rsn_capab,
 					    sizeof(rsn_capab));
+		vif->rsn_capab = rsn_capab;
 		if (res < 0)
 			return res;
 	}
@@ -3210,7 +3240,7 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
 	struct ath6kl *ar = ath6kl_priv(dev);
 	struct ath6kl_vif *vif = netdev_priv(dev);
 	u16 interval;
-	int ret;
+	int ret, rssi_thold;
 
 	if (ar->state != ATH6KL_STATE_ON)
 		return -EIO;
@@ -3218,10 +3248,6 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
 	if (vif->sme_state != SME_DISCONNECTED)
 		return -EBUSY;
 
-	/* The FW currently can't support multi-vif WoW properly. */
-	if (ar->num_vif > 1)
-		return -EIO;
-
 	ath6kl_cfg80211_scan_complete_event(vif, true);
 
 	ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
@@ -3243,6 +3269,23 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
 			return ret;
 	}
 
+	if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
+		     ar->fw_capabilities)) {
+		if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
+			rssi_thold = 0;
+		else if (request->rssi_thold < -127)
+			rssi_thold = -127;
+		else
+			rssi_thold = request->rssi_thold;
+
+		ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
+						     rssi_thold);
+		if (ret) {
+			ath6kl_err("failed to set RSSI threshold for scan\n");
+			return ret;
+		}
+	}
+
 	/* fw uses seconds, also make sure that it's >0 */
 	interval = max_t(u16, 1, request->interval / 1000);
 
@@ -3250,15 +3293,6 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
 				  interval, interval,
 				  vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
 
-	ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
-					  ATH6KL_WOW_MODE_ENABLE,
-					  WOW_FILTER_SSID,
-					  WOW_HOST_REQ_DELAY);
-	if (ret) {
-		ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret);
-		return ret;
-	}
-
 	/* this also clears IE in fw if it's not set */
 	ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
 				       WMI_FRAME_PROBE_REQ,
@@ -3269,17 +3303,13 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
 		return ret;
 	}
 
-	ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
-						 ATH6KL_HOST_MODE_ASLEEP);
-	if (ret) {
-		ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n",
-			    ret);
+	ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
+	if (ret)
 		return ret;
-	}
 
-	ar->state = ATH6KL_STATE_SCHED_SCAN;
+	set_bit(SCHED_SCANNING, &vif->flags);
 
-	return ret;
+	return 0;
 }
 
 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
@@ -3308,6 +3338,27 @@ static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
 					   mask);
 }
 
+static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
+					  struct net_device *dev,
+					  u32 rate, u32 pkts, u32 intvl)
+{
+	struct ath6kl *ar = ath6kl_priv(dev);
+	struct ath6kl_vif *vif = netdev_priv(dev);
+
+	if (vif->nw_type != INFRA_NETWORK ||
+	    !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
+		return -EOPNOTSUPP;
+
+	if (vif->sme_state != SME_CONNECTED)
+		return -ENOTCONN;
+
+	/* save this since the firmware won't report the interval */
+	vif->txe_intvl = intvl;
+
+	return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
+					 rate, pkts, intvl);
+}
+
 static const struct ieee80211_txrx_stypes
 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
 	[NL80211_IFTYPE_STATION] = {
@@ -3374,6 +3425,7 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = {
 	.sched_scan_start = ath6kl_cfg80211_sscan_start,
 	.sched_scan_stop = ath6kl_cfg80211_sscan_stop,
 	.set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
+	.set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
 };
 
 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
@@ -3394,16 +3446,22 @@ void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
 		break;
 	}
 
-	if (test_bit(CONNECTED, &vif->flags) ||
-	    test_bit(CONNECT_PEND, &vif->flags))
+	if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
+	    (test_bit(CONNECTED, &vif->flags) ||
+	    test_bit(CONNECT_PEND, &vif->flags)))
 		ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
 
 	vif->sme_state = SME_DISCONNECTED;
 	clear_bit(CONNECTED, &vif->flags);
 	clear_bit(CONNECT_PEND, &vif->flags);
 
+	/* Stop netdev queues, needed during recovery */
+	netif_stop_queue(vif->ndev);
+	netif_carrier_off(vif->ndev);
+
 	/* disable scanning */
-	if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
+	if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
+	    ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
 				      0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
 		ath6kl_warn("failed to disable scan during stop\n");
 
@@ -3415,7 +3473,7 @@ void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
 	struct ath6kl_vif *vif;
 
 	vif = ath6kl_vif_first(ar);
-	if (!vif) {
+	if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
 		/* save the current power mode before enabling power save */
 		ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
 
@@ -3433,6 +3491,56 @@ void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
 		ath6kl_cfg80211_stop(vif);
 }
 
+static int ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
+				      struct regulatory_request *request)
+{
+	struct ath6kl *ar = wiphy_priv(wiphy);
+	u32 rates[IEEE80211_NUM_BANDS];
+	int ret, i;
+
+	ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
+		   "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
+		   request->alpha2[0], request->alpha2[1],
+		   request->intersect ? " intersect" : "",
+		   request->processed ? " processed" : "",
+		   request->initiator, request->user_reg_hint_type);
+
+	/*
+	 * As firmware is not able intersect regdoms, we can only listen to
+	 * cellular hints.
+	 */
+	if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
+		return -EOPNOTSUPP;
+
+	ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
+	if (ret) {
+		ath6kl_err("failed to set regdomain: %d\n", ret);
+		return ret;
+	}
+
+	/*
+	 * Firmware will apply the regdomain change only after a scan is
+	 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
+	 * changed.
+	 */
+
+	for (i = 0; i < IEEE80211_NUM_BANDS; i++)
+		if (wiphy->bands[i])
+			rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
+
+
+	ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
+				       false, 0, ATH6KL_FG_SCAN_INTERVAL,
+				       0, NULL, false, rates);
+	if (ret) {
+		ath6kl_err("failed to start scan for a regdomain change: %d\n",
+			   ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
 {
 	vif->aggr_cntxt = aggr_init(vif);
@@ -3505,9 +3613,13 @@ struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
 	vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
 
 	memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
-	if (fw_vif_idx != 0)
+	if (fw_vif_idx != 0) {
 		ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
 				     0x2;
+		if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
+			     ar->fw_capabilities))
+			ndev->dev_addr[4] ^= 0x80;
+	}
 
 	init_netdev(ndev);
 
@@ -3561,6 +3673,12 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
 					  BIT(NL80211_IFTYPE_P2P_CLIENT);
 	}
 
+	if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
+	    test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
+		wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
+		ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
+	}
+
 	/* max num of ssids that can be probed during scanning */
 	wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
 
@@ -3606,7 +3724,7 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
 		ath6kl_band_5ghz.ht_cap.ht_supported = false;
 	}
 
-	if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) {
+	if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) {
 		ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
 		ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
 		ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
@@ -3645,7 +3763,7 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
 			    WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
 			    WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
 
-	if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
+	if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
 		ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
 
 	if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,

drivers/net/wireless/ath/ath6kl/cfg80211.h

@@ -22,7 +22,6 @@ enum ath6kl_cfg_suspend_mode {
 	ATH6KL_CFG_SUSPEND_DEEPSLEEP,
 	ATH6KL_CFG_SUSPEND_CUTPOWER,
 	ATH6KL_CFG_SUSPEND_WOW,
-	ATH6KL_CFG_SUSPEND_SCHED_SCAN,
 };
 
 struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,

drivers/net/wireless/ath/ath6kl/core.c

@@ -33,6 +33,8 @@ static unsigned int wow_mode;
 static unsigned int uart_debug;
 static unsigned int ath6kl_p2p;
 static unsigned int testmode;
+static unsigned int recovery_enable;
+static unsigned int heart_beat_poll;
 
 module_param(debug_mask, uint, 0644);
 module_param(suspend_mode, uint, 0644);
@@ -40,6 +42,12 @@ module_param(wow_mode, uint, 0644);
 module_param(uart_debug, uint, 0644);
 module_param(ath6kl_p2p, uint, 0644);
 module_param(testmode, uint, 0644);
+module_param(recovery_enable, uint, 0644);
+module_param(heart_beat_poll, uint, 0644);
+MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error");
+MODULE_PARM_DESC(heart_beat_poll, "Enable fw error detection periodic"   \
+		 "polling. This also specifies the polling interval in"  \
+		 "msecs. Set reocvery_enable for this to be effective");
 
 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
 {
@@ -202,6 +210,17 @@ int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
 	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
 		   __func__, wdev->netdev->name, wdev->netdev, ar);
 
+	ar->fw_recovery.enable = !!recovery_enable;
+	if (!ar->fw_recovery.enable)
+		return ret;
+
+	if (heart_beat_poll &&
+	    test_bit(ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
+		     ar->fw_capabilities))
+		ar->fw_recovery.hb_poll = heart_beat_poll;
+
+	ath6kl_recovery_init(ar);
+
 	return ret;
 
 err_rxbuf_cleanup:
@@ -291,6 +310,8 @@ void ath6kl_core_cleanup(struct ath6kl *ar)
 {
 	ath6kl_hif_power_off(ar);
 
+	ath6kl_recovery_cleanup(ar);
+
 	destroy_workqueue(ar->ath6kl_wq);
 
 	if (ar->htc_target)

drivers/net/wireless/ath/ath6kl/core.h

@@ -115,6 +115,27 @@ enum ath6kl_fw_capability {
 	 */
 	ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
 
+	/* Firmware supports filtering BSS results by RSSI */
+	ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
+
+	/* FW sets mac_addr[4] ^= 0x80 for newly created interfaces */
+	ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
+
+	/* Firmware supports TX error rate notification */
+	ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
+
+	/* supports WMI_SET_REGDOMAIN_CMDID command */
+	ATH6KL_FW_CAPABILITY_REGDOMAIN,
+
+	/* Firmware supports sched scan decoupled from host sleep */
+	ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2,
+
+	/*
+	 * Firmware capability for hang detection through heart beat
+	 * challenge messages.
+	 */
+	ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
+
 	/* this needs to be last */
 	ATH6KL_FW_CAPABILITY_MAX,
 };
@@ -128,11 +149,15 @@ struct ath6kl_fw_ie {
 };
 
 enum ath6kl_hw_flags {
-	ATH6KL_HW_FLAG_64BIT_RATES	= BIT(0),
+	ATH6KL_HW_64BIT_RATES		= BIT(0),
+	ATH6KL_HW_AP_INACTIVITY_MINS	= BIT(1),
+	ATH6KL_HW_MAP_LP_ENDPOINT	= BIT(2),
+	ATH6KL_HW_SDIO_CRC_ERROR_WAR	= BIT(3),
 };
 
 #define ATH6KL_FW_API2_FILE "fw-2.bin"
 #define ATH6KL_FW_API3_FILE "fw-3.bin"
+#define ATH6KL_FW_API4_FILE "fw-4.bin"
 
 /* AR6003 1.0 definitions */
 #define AR6003_HW_1_0_VERSION                 0x300002ba
@@ -186,6 +211,13 @@ enum ath6kl_hw_flags {
 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \
 	AR6004_HW_1_2_FW_DIR "/bdata.bin"
 
+/* AR6004 1.3 definitions */
+#define AR6004_HW_1_3_VERSION			0x31c8088a
+#define AR6004_HW_1_3_FW_DIR			"ath6k/AR6004/hw1.3"
+#define AR6004_HW_1_3_FIRMWARE_FILE		"fw.ram.bin"
+#define AR6004_HW_1_3_BOARD_DATA_FILE		"ath6k/AR6004/hw1.3/bdata.bin"
+#define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE	"ath6k/AR6004/hw1.3/bdata.bin"
+
 /* Per STA data, used in AP mode */
 #define STA_PS_AWAKE		BIT(0)
 #define	STA_PS_SLEEP		BIT(1)
@@ -536,6 +568,7 @@ enum ath6kl_vif_state {
 	HOST_SLEEP_MODE_CMD_PROCESSED,
 	NETDEV_MCAST_ALL_ON,
 	NETDEV_MCAST_ALL_OFF,
+	SCHED_SCANNING,
 };
 
 struct ath6kl_vif {
@@ -580,11 +613,13 @@ struct ath6kl_vif {
 	u16 assoc_bss_beacon_int;
 	u16 listen_intvl_t;
 	u16 bmiss_time_t;
+	u32 txe_intvl;
 	u16 bg_scan_period;
 	u8 assoc_bss_dtim_period;
 	struct net_device_stats net_stats;
 	struct target_stats target_stats;
 	struct wmi_connect_cmd profile;
+	u16 rsn_capab;
 
 	struct list_head mc_filter;
 };
@@ -609,6 +644,7 @@ enum ath6kl_dev_state {
 	SKIP_SCAN,
 	ROAM_TBL_PEND,
 	FIRST_BOOT,
+	RECOVERY_CLEANUP,
 };
 
 enum ath6kl_state {
@@ -619,7 +655,16 @@ enum ath6kl_state {
 	ATH6KL_STATE_DEEPSLEEP,
 	ATH6KL_STATE_CUTPOWER,
 	ATH6KL_STATE_WOW,
-	ATH6KL_STATE_SCHED_SCAN,
+	ATH6KL_STATE_RECOVERY,
+};
+
+/* Fw error recovery */
+#define ATH6KL_HB_RESP_MISS_THRES	5
+
+enum ath6kl_fw_err {
+	ATH6KL_FW_ASSERT,
+	ATH6KL_FW_HB_RESP_FAILURE,
+	ATH6KL_FW_EP_FULL,
 };
 
 struct ath6kl {
@@ -679,6 +724,7 @@ struct ath6kl {
 	struct ath6kl_req_key ap_mode_bkey;
 	struct sk_buff_head mcastpsq;
 	u32 want_ch_switch;
+	u16 last_ch;
 
 	/*
 	 * FIXME: protects access to mcastpsq but is actually useless as
@@ -764,6 +810,17 @@ struct ath6kl {
 
 	bool wiphy_registered;
 
+	struct ath6kl_fw_recovery {
+		struct work_struct recovery_work;
+		unsigned long err_reason;
+		unsigned long hb_poll;
+		struct timer_list hb_timer;
+		u32 seq_num;
+		bool hb_pending;
+		u8 hb_misscnt;
+		bool enable;
+	} fw_recovery;
+
 #ifdef CONFIG_ATH6KL_DEBUG
 	struct {
 		struct sk_buff_head fwlog_queue;
@@ -899,4 +956,12 @@ int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type);
 void ath6kl_core_cleanup(struct ath6kl *ar);
 void ath6kl_core_destroy(struct ath6kl *ar);
 
+/* Fw error recovery */
+void ath6kl_init_hw_restart(struct ath6kl *ar);
+void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason);
+void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie);
+void ath6kl_recovery_init(struct ath6kl *ar);
+void ath6kl_recovery_cleanup(struct ath6kl *ar);
+void ath6kl_recovery_suspend(struct ath6kl *ar);
+void ath6kl_recovery_resume(struct ath6kl *ar);
 #endif /* CORE_H */

drivers/net/wireless/ath/ath6kl/debug.h

@@ -44,6 +44,7 @@ enum ATH6K_DEBUG_MASK {
 	ATH6KL_DBG_SUSPEND	= BIT(20),
 	ATH6KL_DBG_USB		= BIT(21),
 	ATH6KL_DBG_USB_BULK	= BIT(22),
+	ATH6KL_DBG_RECOVERY	= BIT(23),
 	ATH6KL_DBG_ANY	        = 0xffffffff  /* enable all logs */
 };
 

drivers/net/wireless/ath/ath6kl/hif.c

@@ -136,6 +136,7 @@ static int ath6kl_hif_proc_dbg_intr(struct ath6kl_device *dev)
 
 	ath6kl_hif_dump_fw_crash(dev->ar);
 	ath6kl_read_fwlogs(dev->ar);
+	ath6kl_recovery_err_notify(dev->ar, ATH6KL_FW_ASSERT);
 
 	return ret;
 }
@@ -693,11 +694,6 @@ int ath6kl_hif_setup(struct ath6kl_device *dev)
 	ath6kl_dbg(ATH6KL_DBG_HIF, "hif block size %d mbox addr 0x%x\n",
 		   dev->htc_cnxt->block_sz, dev->ar->mbox_info.htc_addr);
 
-	/* usb doesn't support enabling interrupts */
-	/* FIXME: remove check once USB support is implemented */
-	if (dev->ar->hif_type == ATH6KL_HIF_TYPE_USB)
-		return 0;
-
 	status = ath6kl_hif_disable_intrs(dev);
 
 fail_setup:

drivers/net/wireless/ath/ath6kl/htc_mbox.c

@@ -2492,7 +2492,8 @@ static int ath6kl_htc_mbox_conn_service(struct htc_target *target,
 		max_msg_sz = le16_to_cpu(resp_msg->max_msg_sz);
 	}
 
-	if (assigned_ep >= ENDPOINT_MAX || !max_msg_sz) {
+	if (WARN_ON_ONCE(assigned_ep == ENDPOINT_UNUSED ||
+			 assigned_ep >= ENDPOINT_MAX || !max_msg_sz)) {
 		status = -ENOMEM;
 		goto fail_tx;
 	}
@@ -2655,12 +2656,6 @@ static int ath6kl_htc_mbox_wait_target(struct htc_target *target)
 	struct htc_service_connect_resp resp;
 	int status;
 
-	/* FIXME: remove once USB support is implemented */
-	if (target->dev->ar->hif_type == ATH6KL_HIF_TYPE_USB) {
-		ath6kl_err("HTC doesn't support USB yet. Patience!\n");
-		return -EOPNOTSUPP;
-	}
-
 	/* we should be getting 1 control message that the target is ready */
 	packet = htc_wait_for_ctrl_msg(target);
 
@@ -2890,9 +2885,7 @@ static void ath6kl_htc_mbox_cleanup(struct htc_target *target)
 {
 	struct htc_packet *packet, *tmp_packet;
 
-	/* FIXME: remove check once USB support is implemented */
-	if (target->dev->ar->hif_type != ATH6KL_HIF_TYPE_USB)
-		ath6kl_hif_cleanup_scatter(target->dev->ar);
+	ath6kl_hif_cleanup_scatter(target->dev->ar);
 
 	list_for_each_entry_safe(packet, tmp_packet,
 				 &target->free_ctrl_txbuf, list) {

drivers/net/wireless/ath/ath6kl/htc_pipe.c

@@ -374,9 +374,8 @@ static enum htc_send_queue_result htc_try_send(struct htc_target *target,
 				packet = list_first_entry(txq,
 							  struct htc_packet,
 							  list);
-				list_del(&packet->list);
-				/* insert into local queue */
-				list_add_tail(&packet->list, &send_queue);
+				/* move to local queue */
+				list_move_tail(&packet->list, &send_queue);
 			}
 
 			/*
@@ -399,11 +398,10 @@ static enum htc_send_queue_result htc_try_send(struct htc_target *target,
 					 * for cleanup */
 				} else {
 					/* callback wants to keep this packet,
-					 * remove from caller's queue */
-					list_del(&packet->list);
-					/* put it in the send queue */
-					list_add_tail(&packet->list,
-						      &send_queue);
+					 * move from caller's queue to the send
+					 * queue */
+					list_move_tail(&packet->list,
+						       &send_queue);
 				}
 
 			}

drivers/net/wireless/ath/ath6kl/init.c

@@ -42,7 +42,7 @@ static const struct ath6kl_hw hw_list[] = {
 		.reserved_ram_size		= 6912,
 		.refclk_hz			= 26000000,
 		.uarttx_pin			= 8,
-		.flags				= 0,
+		.flags				= ATH6KL_HW_SDIO_CRC_ERROR_WAR,
 
 		/* hw2.0 needs override address hardcoded */
 		.app_start_override_addr	= 0x944C00,
@@ -68,7 +68,7 @@ static const struct ath6kl_hw hw_list[] = {
 		.refclk_hz			= 26000000,
 		.uarttx_pin			= 8,
 		.testscript_addr		= 0x57ef74,
-		.flags				= 0,
+		.flags				= ATH6KL_HW_SDIO_CRC_ERROR_WAR,
 
 		.fw = {
 			.dir		= AR6003_HW_2_1_1_FW_DIR,
@@ -93,7 +93,8 @@ static const struct ath6kl_hw hw_list[] = {
 		.board_addr			= 0x433900,
 		.refclk_hz			= 26000000,
 		.uarttx_pin			= 11,
-		.flags				= ATH6KL_HW_FLAG_64BIT_RATES,
+		.flags				= ATH6KL_HW_64BIT_RATES |
+						  ATH6KL_HW_AP_INACTIVITY_MINS,
 
 		.fw = {
 			.dir		= AR6004_HW_1_0_FW_DIR,
@@ -113,8 +114,8 @@ static const struct ath6kl_hw hw_list[] = {
 		.board_addr			= 0x43d400,
 		.refclk_hz			= 40000000,
 		.uarttx_pin			= 11,
-		.flags				= ATH6KL_HW_FLAG_64BIT_RATES,
-
+		.flags				= ATH6KL_HW_64BIT_RATES |
+						  ATH6KL_HW_AP_INACTIVITY_MINS,
 		.fw = {
 			.dir		= AR6004_HW_1_1_FW_DIR,
 			.fw		= AR6004_HW_1_1_FIRMWARE_FILE,
@@ -133,7 +134,8 @@ static const struct ath6kl_hw hw_list[] = {
 		.board_addr			= 0x435c00,
 		.refclk_hz			= 40000000,
 		.uarttx_pin			= 11,
-		.flags				= ATH6KL_HW_FLAG_64BIT_RATES,
+		.flags				= ATH6KL_HW_64BIT_RATES |
+						  ATH6KL_HW_AP_INACTIVITY_MINS,
 
 		.fw = {
 			.dir		= AR6004_HW_1_2_FW_DIR,
@@ -142,6 +144,28 @@ static const struct ath6kl_hw hw_list[] = {
 		.fw_board		= AR6004_HW_1_2_BOARD_DATA_FILE,
 		.fw_default_board	= AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE,
 	},
+	{
+		.id				= AR6004_HW_1_3_VERSION,
+		.name				= "ar6004 hw 1.3",
+		.dataset_patch_addr		= 0x437860,
+		.app_load_addr			= 0x1234,
+		.board_ext_data_addr		= 0x437000,
+		.reserved_ram_size		= 7168,
+		.board_addr			= 0x436400,
+		.refclk_hz                      = 40000000,
+		.uarttx_pin                     = 11,
+		.flags				= ATH6KL_HW_64BIT_RATES |
+						  ATH6KL_HW_AP_INACTIVITY_MINS |
+						  ATH6KL_HW_MAP_LP_ENDPOINT,
+
+		.fw = {
+			.dir            = AR6004_HW_1_3_FW_DIR,
+			.fw             = AR6004_HW_1_3_FIRMWARE_FILE,
+		},
+
+		.fw_board               = AR6004_HW_1_3_BOARD_DATA_FILE,
+		.fw_default_board       = AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE,
+	},
 };
 
 /*
@@ -337,7 +361,7 @@ static int ath6kl_init_service_ep(struct ath6kl *ar)
 	if (ath6kl_connectservice(ar, &connect, "WMI DATA BK"))
 		return -EIO;
 
-	/* connect to Video service, map this to to HI PRI */
+	/* connect to Video service, map this to HI PRI */
 	connect.svc_id = WMI_DATA_VI_SVC;
 	if (ath6kl_connectservice(ar, &connect, "WMI DATA VI"))
 		return -EIO;
@@ -1088,6 +1112,12 @@ int ath6kl_init_fetch_firmwares(struct ath6kl *ar)
 	if (ret)
 		return ret;
 
+	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API4_FILE);
+	if (ret == 0) {
+		ar->fw_api = 4;
+		goto out;
+	}
+
 	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API3_FILE);
 	if (ret == 0) {
 		ar->fw_api = 3;
@@ -1401,8 +1431,7 @@ static int ath6kl_init_upload(struct ath6kl *ar)
 		return status;
 
 	/* WAR to avoid SDIO CRC err */
-	if (ar->version.target_ver == AR6003_HW_2_0_VERSION ||
-	    ar->version.target_ver == AR6003_HW_2_1_1_VERSION) {
+	if (ar->hw.flags & ATH6KL_HW_SDIO_CRC_ERROR_WAR) {
 		ath6kl_err("temporary war to avoid sdio crc error\n");
 
 		param = 0x28;
@@ -1520,7 +1549,7 @@ static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type)
 	return NULL;
 }
 
-int ath6kl_init_hw_start(struct ath6kl *ar)
+static int __ath6kl_init_hw_start(struct ath6kl *ar)
 {
 	long timeleft;
 	int ret, i;
@@ -1616,8 +1645,6 @@ int ath6kl_init_hw_start(struct ath6kl *ar)
 			goto err_htc_stop;
 	}
 
-	ar->state = ATH6KL_STATE_ON;
-
 	return 0;
 
 err_htc_stop:
@@ -1630,7 +1657,18 @@ int ath6kl_init_hw_start(struct ath6kl *ar)
 	return ret;
 }
 
-int ath6kl_init_hw_stop(struct ath6kl *ar)
+int ath6kl_init_hw_start(struct ath6kl *ar)
+{
+	int err;
+
+	err = __ath6kl_init_hw_start(ar);
+	if (err)
+		return err;
+	ar->state = ATH6KL_STATE_ON;
+	return 0;
+}
+
+static int __ath6kl_init_hw_stop(struct ath6kl *ar)
 {
 	int ret;
 
@@ -1646,11 +1684,37 @@ int ath6kl_init_hw_stop(struct ath6kl *ar)
 	if (ret)
 		ath6kl_warn("failed to power off hif: %d\n", ret);
 
-	ar->state = ATH6KL_STATE_OFF;
+	return 0;
+}
 
+int ath6kl_init_hw_stop(struct ath6kl *ar)
+{
+	int err;
+
+	err = __ath6kl_init_hw_stop(ar);
+	if (err)
+		return err;
+	ar->state = ATH6KL_STATE_OFF;
 	return 0;
 }
 
+void ath6kl_init_hw_restart(struct ath6kl *ar)
+{
+	clear_bit(WMI_READY, &ar->flag);
+
+	ath6kl_cfg80211_stop_all(ar);
+
+	if (__ath6kl_init_hw_stop(ar)) {
+		ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to stop during fw error recovery\n");
+		return;
+	}
+
+	if (__ath6kl_init_hw_start(ar)) {
+		ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to restart during fw error recovery\n");
+		return;
+	}
+}
+
 /* FIXME: move this to cfg80211.c and rename to ath6kl_cfg80211_vif_stop() */
 void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready)
 {

drivers/net/wireless/ath/ath6kl/main.c

@@ -293,13 +293,17 @@ int ath6kl_read_fwlogs(struct ath6kl *ar)
 	}
 
 	address = TARG_VTOP(ar->target_type, debug_hdr_addr);
-	ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr));
+	ret = ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr));
+	if (ret)
+		goto out;
 
 	address = TARG_VTOP(ar->target_type,
 			    le32_to_cpu(debug_hdr.dbuf_addr));
 	firstbuf = address;
 	dropped = le32_to_cpu(debug_hdr.dropped);
-	ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf));
+	ret = ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf));
+	if (ret)
+		goto out;
 
 	loop = 100;
 
@@ -322,7 +326,8 @@ int ath6kl_read_fwlogs(struct ath6kl *ar)
 
 		address = TARG_VTOP(ar->target_type,
 				    le32_to_cpu(debug_buf.next));
-		ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf));
+		ret = ath6kl_diag_read(ar, address, &debug_buf,
+				       sizeof(debug_buf));
 		if (ret)
 			goto out;
 
@@ -436,12 +441,9 @@ void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel)
 		break;
 	}
 
-	if (ar->want_ch_switch & (1 << vif->fw_vif_idx)) {
-		ar->want_ch_switch &= ~(1 << vif->fw_vif_idx);
+	if (ar->last_ch != channel)
 		/* we actually don't know the phymode, default to HT20 */
-		ath6kl_cfg80211_ch_switch_notify(vif, channel,
-						 WMI_11G_HT20);
-	}
+		ath6kl_cfg80211_ch_switch_notify(vif, channel, WMI_11G_HT20);
 
 	ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0);
 	set_bit(CONNECTED, &vif->flags);
@@ -606,6 +608,18 @@ static int ath6kl_commit_ch_switch(struct ath6kl_vif *vif, u16 channel)
 
 	switch (vif->nw_type) {
 	case AP_NETWORK:
+		/*
+		 * reconfigure any saved RSN IE capabilites in the beacon /
+		 * probe response to stay in sync with the supplicant.
+		 */
+		if (vif->rsn_capab &&
+		    test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
+			     ar->fw_capabilities))
+			ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
+					      WLAN_EID_RSN, WMI_RSN_IE_CAPB,
+					      (const u8 *) &vif->rsn_capab,
+					      sizeof(vif->rsn_capab));
+
 		return ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx,
 						    &vif->profile);
 	default:
@@ -628,6 +642,9 @@ static void ath6kl_check_ch_switch(struct ath6kl *ar, u16 channel)
 		if (ar->want_ch_switch & (1 << vif->fw_vif_idx))
 			res = ath6kl_commit_ch_switch(vif, channel);
 
+		/* if channel switch failed, oh well we tried */
+		ar->want_ch_switch &= ~(1 << vif->fw_vif_idx);
+
 		if (res)
 			ath6kl_err("channel switch failed nw_type %d res %d\n",
 				   vif->nw_type, res);
@@ -981,8 +998,25 @@ void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
 	if (vif->nw_type == AP_NETWORK) {
 		/* disconnect due to other STA vif switching channels */
 		if (reason == BSS_DISCONNECTED &&
-		    prot_reason_status == WMI_AP_REASON_STA_ROAM)
+		    prot_reason_status == WMI_AP_REASON_STA_ROAM) {
 			ar->want_ch_switch |= 1 << vif->fw_vif_idx;
+			/* bail back to this channel if STA vif fails connect */
+			ar->last_ch = le16_to_cpu(vif->profile.ch);
+		}
+
+		if (prot_reason_status == WMI_AP_REASON_MAX_STA) {
+			/* send max client reached notification to user space */
+			cfg80211_conn_failed(vif->ndev, bssid,
+					     NL80211_CONN_FAIL_MAX_CLIENTS,
+					     GFP_KERNEL);
+		}
+
+		if (prot_reason_status == WMI_AP_REASON_ACL) {
+			/* send blocked client notification to user space */
+			cfg80211_conn_failed(vif->ndev, bssid,
+					     NL80211_CONN_FAIL_BLOCKED_CLIENT,
+					     GFP_KERNEL);
+		}
 
 		if (!ath6kl_remove_sta(ar, bssid, prot_reason_status))
 			return;
@@ -1041,6 +1075,9 @@ void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
 		}
 	}
 
+	/* restart disconnected concurrent vifs waiting for new channel */
+	ath6kl_check_ch_switch(ar, ar->last_ch);
+
 	/* update connect & link status atomically */
 	spin_lock_bh(&vif->if_lock);
 	clear_bit(CONNECTED, &vif->flags);

drivers/net/wireless/ath/ath6kl/recovery.c

+/*
+ * Copyright (c) 2012 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "core.h"
+#include "cfg80211.h"
+#include "debug.h"
+
+static void ath6kl_recovery_work(struct work_struct *work)
+{
+	struct ath6kl *ar = container_of(work, struct ath6kl,
+					 fw_recovery.recovery_work);
+
+	ar->state = ATH6KL_STATE_RECOVERY;
+
+	del_timer_sync(&ar->fw_recovery.hb_timer);
+
+	ath6kl_init_hw_restart(ar);
+
+	ar->state = ATH6KL_STATE_ON;
+	clear_bit(WMI_CTRL_EP_FULL, &ar->flag);
+
+	ar->fw_recovery.err_reason = 0;
+
+	if (ar->fw_recovery.hb_poll)
+		mod_timer(&ar->fw_recovery.hb_timer, jiffies +
+			  msecs_to_jiffies(ar->fw_recovery.hb_poll));
+}
+
+void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason)
+{
+	if (!ar->fw_recovery.enable)
+		return;
+
+	ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Fw error detected, reason:%d\n",
+		   reason);
+
+	set_bit(reason, &ar->fw_recovery.err_reason);
+
+	if (!test_bit(RECOVERY_CLEANUP, &ar->flag) &&
+	    ar->state != ATH6KL_STATE_RECOVERY)
+		queue_work(ar->ath6kl_wq, &ar->fw_recovery.recovery_work);
+}
+
+void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie)
+{
+	if (cookie == ar->fw_recovery.seq_num)
+		ar->fw_recovery.hb_pending = false;
+}
+
+static void ath6kl_recovery_hb_timer(unsigned long data)
+{
+	struct ath6kl *ar = (struct ath6kl *) data;
+	int err;
+
+	if (test_bit(RECOVERY_CLEANUP, &ar->flag) ||
+	    (ar->state == ATH6KL_STATE_RECOVERY))
+		return;
+
+	if (ar->fw_recovery.hb_pending)
+		ar->fw_recovery.hb_misscnt++;
+	else
+		ar->fw_recovery.hb_misscnt = 0;
+
+	if (ar->fw_recovery.hb_misscnt > ATH6KL_HB_RESP_MISS_THRES) {
+		ar->fw_recovery.hb_misscnt = 0;
+		ar->fw_recovery.seq_num = 0;
+		ar->fw_recovery.hb_pending = false;
+		ath6kl_recovery_err_notify(ar, ATH6KL_FW_HB_RESP_FAILURE);
+		return;
+	}
+
+	ar->fw_recovery.seq_num++;
+	ar->fw_recovery.hb_pending = true;
+
+	err = ath6kl_wmi_get_challenge_resp_cmd(ar->wmi,
+						ar->fw_recovery.seq_num, 0);
+	if (err)
+		ath6kl_warn("Failed to send hb challenge request, err:%d\n",
+			    err);
+
+	mod_timer(&ar->fw_recovery.hb_timer, jiffies +
+		  msecs_to_jiffies(ar->fw_recovery.hb_poll));
+}
+
+void ath6kl_recovery_init(struct ath6kl *ar)
+{
+	struct ath6kl_fw_recovery *recovery = &ar->fw_recovery;
+
+	clear_bit(RECOVERY_CLEANUP, &ar->flag);
+	INIT_WORK(&recovery->recovery_work, ath6kl_recovery_work);
+	recovery->seq_num = 0;
+	recovery->hb_misscnt = 0;
+	ar->fw_recovery.hb_pending = false;
+	ar->fw_recovery.hb_timer.function = ath6kl_recovery_hb_timer;
+	ar->fw_recovery.hb_timer.data = (unsigned long) ar;
+	init_timer_deferrable(&ar->fw_recovery.hb_timer);
+
+	if (ar->fw_recovery.hb_poll)
+		mod_timer(&ar->fw_recovery.hb_timer, jiffies +
+			  msecs_to_jiffies(ar->fw_recovery.hb_poll));
+}
+
+void ath6kl_recovery_cleanup(struct ath6kl *ar)
+{
+	if (!ar->fw_recovery.enable)
+		return;
+
+	set_bit(RECOVERY_CLEANUP, &ar->flag);
+
+	del_timer_sync(&ar->fw_recovery.hb_timer);
+	cancel_work_sync(&ar->fw_recovery.recovery_work);
+}
+
+void ath6kl_recovery_suspend(struct ath6kl *ar)
+{
+	if (!ar->fw_recovery.enable)
+		return;
+
+	ath6kl_recovery_cleanup(ar);
+
+	if (!ar->fw_recovery.err_reason)
+		return;
+
+	/* Process pending fw error detection */
+	ar->fw_recovery.err_reason = 0;
+	WARN_ON(ar->state != ATH6KL_STATE_ON);
+	ar->state = ATH6KL_STATE_RECOVERY;
+	ath6kl_init_hw_restart(ar);
+	ar->state = ATH6KL_STATE_ON;
+}
+
+void ath6kl_recovery_resume(struct ath6kl *ar)
+{
+	if (!ar->fw_recovery.enable)
+		return;
+
+	clear_bit(RECOVERY_CLEANUP, &ar->flag);
+
+	if (!ar->fw_recovery.hb_poll)
+		return;
+
+	ar->fw_recovery.hb_pending = false;
+	ar->fw_recovery.seq_num = 0;
+	ar->fw_recovery.hb_misscnt = 0;
+	mod_timer(&ar->fw_recovery.hb_timer,
+		  jiffies + msecs_to_jiffies(ar->fw_recovery.hb_poll));
+}

drivers/net/wireless/ath/ath6kl/sdio.c

@@ -709,7 +709,7 @@ static int ath6kl_sdio_enable_scatter(struct ath6kl *ar)
 {
 	struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
 	struct htc_target *target = ar->htc_target;
-	int ret;
+	int ret = 0;
 	bool virt_scat = false;
 
 	if (ar_sdio->scatter_enabled)
@@ -844,22 +844,6 @@ static int ath6kl_sdio_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
 	bool try_deepsleep = false;
 	int ret;
 
-	if (ar->state == ATH6KL_STATE_SCHED_SCAN) {
-		ath6kl_dbg(ATH6KL_DBG_SUSPEND, "sched scan is in progress\n");
-
-		ret = ath6kl_set_sdio_pm_caps(ar);
-		if (ret)
-			goto cut_pwr;
-
-		ret =  ath6kl_cfg80211_suspend(ar,
-					       ATH6KL_CFG_SUSPEND_SCHED_SCAN,
-					       NULL);
-		if (ret)
-			goto cut_pwr;
-
-		return 0;
-	}
-
 	if (ar->suspend_mode == WLAN_POWER_STATE_WOW ||
 	    (!ar->suspend_mode && wow)) {
 
@@ -942,14 +926,14 @@ static int ath6kl_sdio_resume(struct ath6kl *ar)
 	case ATH6KL_STATE_WOW:
 		break;
 
-	case ATH6KL_STATE_SCHED_SCAN:
-		break;
-
 	case ATH6KL_STATE_SUSPENDING:
 		break;
 
 	case ATH6KL_STATE_RESUMING:
 		break;
+
+	case ATH6KL_STATE_RECOVERY:
+		break;
 	}
 
 	ath6kl_cfg80211_resume(ar);
@@ -1462,3 +1446,6 @@ MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE);
 MODULE_FIRMWARE(AR6004_HW_1_2_FW_DIR "/" AR6004_HW_1_2_FIRMWARE_FILE);
 MODULE_FIRMWARE(AR6004_HW_1_2_BOARD_DATA_FILE);
 MODULE_FIRMWARE(AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE);
+MODULE_FIRMWARE(AR6004_HW_1_3_FW_DIR "/" AR6004_HW_1_3_FIRMWARE_FILE);
+MODULE_FIRMWARE(AR6004_HW_1_3_BOARD_DATA_FILE);
+MODULE_FIRMWARE(AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE);

drivers/net/wireless/ath/ath6kl/txrx.c

@@ -288,8 +288,16 @@ int ath6kl_control_tx(void *devt, struct sk_buff *skb,
 	int status = 0;
 	struct ath6kl_cookie *cookie = NULL;
 
-	if (WARN_ON_ONCE(ar->state == ATH6KL_STATE_WOW))
+	if (WARN_ON_ONCE(ar->state == ATH6KL_STATE_WOW)) {
+		dev_kfree_skb(skb);
 		return -EACCES;
+	}
+
+	if (WARN_ON_ONCE(eid == ENDPOINT_UNUSED ||
+			 eid >= ENDPOINT_MAX)) {
+		status = -EINVAL;
+		goto fail_ctrl_tx;
+	}
 
 	spin_lock_bh(&ar->lock);
 
@@ -591,6 +599,7 @@ enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 		 */
 		set_bit(WMI_CTRL_EP_FULL, &ar->flag);
 		ath6kl_err("wmi ctrl ep is full\n");
+		ath6kl_recovery_err_notify(ar, ATH6KL_FW_EP_FULL);
 		return action;
 	}
 
@@ -695,22 +704,31 @@ void ath6kl_tx_complete(struct htc_target *target,
 					  list);
 		list_del(&packet->list);
 
+		if (WARN_ON_ONCE(packet->endpoint == ENDPOINT_UNUSED ||
+				 packet->endpoint >= ENDPOINT_MAX))
+			continue;
+
 		ath6kl_cookie = (struct ath6kl_cookie *)packet->pkt_cntxt;
-		if (!ath6kl_cookie)
-			goto fatal;
+		if (WARN_ON_ONCE(!ath6kl_cookie))
+			continue;
 
 		status = packet->status;
 		skb = ath6kl_cookie->skb;
 		eid = packet->endpoint;
 		map_no = ath6kl_cookie->map_no;
 
-		if (!skb || !skb->data)
-			goto fatal;
+		if (WARN_ON_ONCE(!skb || !skb->data)) {
+			dev_kfree_skb(skb);
+			ath6kl_free_cookie(ar, ath6kl_cookie);
+			continue;
+		}
 
 		__skb_queue_tail(&skb_queue, skb);
 
-		if (!status && (packet->act_len != skb->len))
-			goto fatal;
+		if (WARN_ON_ONCE(!status && (packet->act_len != skb->len))) {
+			ath6kl_free_cookie(ar, ath6kl_cookie);
+			continue;
+		}
 
 		ar->tx_pending[eid]--;
 
@@ -792,11 +810,6 @@ void ath6kl_tx_complete(struct htc_target *target,
 		wake_up(&ar->event_wq);
 
 	return;
-
-fatal:
-	WARN_ON(1);
-	spin_unlock_bh(&ar->lock);
-	return;
 }
 
 void ath6kl_tx_data_cleanup(struct ath6kl *ar)
@@ -885,8 +898,11 @@ void ath6kl_rx_refill(struct htc_target *target, enum htc_endpoint_id endpoint)
 			break;
 
 		packet = (struct htc_packet *) skb->head;
-		if (!IS_ALIGNED((unsigned long) skb->data, 4))
+		if (!IS_ALIGNED((unsigned long) skb->data, 4)) {
+			size_t len = skb_headlen(skb);
 			skb->data = PTR_ALIGN(skb->data - 4, 4);
+			skb_set_tail_pointer(skb, len);
+		}
 		set_htc_rxpkt_info(packet, skb, skb->data,
 				   ATH6KL_BUFFER_SIZE, endpoint);
 		packet->skb = skb;
@@ -908,8 +924,11 @@ void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count)
 			return;
 
 		packet = (struct htc_packet *) skb->head;
-		if (!IS_ALIGNED((unsigned long) skb->data, 4))
+		if (!IS_ALIGNED((unsigned long) skb->data, 4)) {
+			size_t len = skb_headlen(skb);
 			skb->data = PTR_ALIGN(skb->data - 4, 4);
+			skb_set_tail_pointer(skb, len);
+		}
 		set_htc_rxpkt_info(packet, skb, skb->data,
 				   ATH6KL_AMSDU_BUFFER_SIZE, 0);
 		packet->skb = skb;

drivers/net/wireless/ath/ath6kl/usb.c

@@ -185,9 +185,10 @@ static int ath6kl_usb_alloc_pipe_resources(struct ath6kl_usb_pipe *pipe,
 	for (i = 0; i < urb_cnt; i++) {
 		urb_context = kzalloc(sizeof(struct ath6kl_urb_context),
 				      GFP_KERNEL);
-		if (urb_context == NULL)
-			/* FIXME: set status to -ENOMEM */
-			break;
+		if (urb_context == NULL) {
+			status = -ENOMEM;
+			goto fail_alloc_pipe_resources;
+		}
 
 		urb_context->pipe = pipe;
 
@@ -204,6 +205,7 @@ static int ath6kl_usb_alloc_pipe_resources(struct ath6kl_usb_pipe *pipe,
 		   pipe->logical_pipe_num, pipe->usb_pipe_handle,
 		   pipe->urb_alloc);
 
+fail_alloc_pipe_resources:
 	return status;
 }
 
@@ -803,7 +805,11 @@ static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id,
 		*dl_pipe = ATH6KL_USB_PIPE_RX_DATA;
 		break;
 	case WMI_DATA_VI_SVC:
-		*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP;
+
+		if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT)
+			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP;
+		else
+			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP;
 		/*
 		* Disable rxdata2 directly, it will be enabled
 		* if FW enable rxdata2
@@ -811,7 +817,11 @@ static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id,
 		*dl_pipe = ATH6KL_USB_PIPE_RX_DATA;
 		break;
 	case WMI_DATA_VO_SVC:
-		*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_HP;
+
+		if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT)
+			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP;
+		else
+			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP;
 		/*
 		* Disable rxdata2 directly, it will be enabled
 		* if FW enable rxdata2
@@ -1196,7 +1206,14 @@ static struct usb_driver ath6kl_usb_driver = {
 
 static int ath6kl_usb_init(void)
 {
-	usb_register(&ath6kl_usb_driver);
+	int ret;
+
+	ret = usb_register(&ath6kl_usb_driver);
+	if (ret) {
+		ath6kl_err("usb registration failed: %d\n", ret);
+		return ret;
+	}
+
 	return 0;
 }
 
@@ -1220,3 +1237,6 @@ MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE);
 MODULE_FIRMWARE(AR6004_HW_1_2_FIRMWARE_FILE);
 MODULE_FIRMWARE(AR6004_HW_1_2_BOARD_DATA_FILE);
 MODULE_FIRMWARE(AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE);
+MODULE_FIRMWARE(AR6004_HW_1_3_FW_DIR "/" AR6004_HW_1_3_FIRMWARE_FILE);
+MODULE_FIRMWARE(AR6004_HW_1_3_BOARD_DATA_FILE);
+MODULE_FIRMWARE(AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE);

drivers/net/wireless/ath/ath6kl/wmi.c

@@ -936,8 +936,12 @@ static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 
 		regpair = ath6kl_get_regpair((u16) reg_code);
 		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
-		ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
-			   regpair->regDmnEnum);
+		if (regpair)
+			ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
+				   regpair->regDmnEnum);
+		else
+			ath6kl_warn("Regpair not found reg_code 0x%0x\n",
+				    reg_code);
 	}
 
 	if (country && wmi->parent_dev->wiphy_registered) {
@@ -1116,7 +1120,7 @@ static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 	 * the timer would not ever fire if the scan interval is short
 	 * enough.
 	 */
-	if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
+	if (test_bit(SCHED_SCANNING, &vif->flags) &&
 	    !timer_pending(&vif->sched_scan_timer)) {
 		mod_timer(&vif->sched_scan_timer, jiffies +
 			  msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
@@ -1170,6 +1174,9 @@ static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
 		rate = RATE_AUTO;
 	} else {
 		index = reply->rate_index & 0x7f;
+		if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
+			return -EINVAL;
+
 		sgi = (reply->rate_index & 0x80) ? 1 : 0;
 		rate = wmi_rate_tbl[index][sgi];
 	}
@@ -1531,6 +1538,68 @@ static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
 	return 0;
 }
 
+static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
+					  struct ath6kl_vif *vif)
+{
+	struct wmi_txe_notify_event *ev;
+	u32 rate, pkts;
+
+	if (len < sizeof(*ev))
+		return -EINVAL;
+
+	if (vif->sme_state != SME_CONNECTED)
+		return -ENOTCONN;
+
+	ev = (struct wmi_txe_notify_event *) datap;
+	rate = le32_to_cpu(ev->rate);
+	pkts = le32_to_cpu(ev->pkts);
+
+	ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
+		   vif->bssid, rate, pkts, vif->txe_intvl);
+
+	cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
+				rate, vif->txe_intvl, GFP_KERNEL);
+
+	return 0;
+}
+
+int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
+			      u32 rate, u32 pkts, u32 intvl)
+{
+	struct sk_buff *skb;
+	struct wmi_txe_notify_cmd *cmd;
+
+	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct wmi_txe_notify_cmd *) skb->data;
+	cmd->rate = cpu_to_le32(rate);
+	cmd->pkts = cpu_to_le32(pkts);
+	cmd->intvl = cpu_to_le32(intvl);
+
+	return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
+				   NO_SYNC_WMIFLAG);
+}
+
+int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
+{
+	struct sk_buff *skb;
+	struct wmi_set_rssi_filter_cmd *cmd;
+	int ret;
+
+	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
+	cmd->rssi = rssi;
+
+	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
+				  NO_SYNC_WMIFLAG);
+	return ret;
+}
+
 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
 			struct wmi_snr_threshold_params_cmd *snr_cmd)
 {
@@ -1677,8 +1746,11 @@ int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
 	int ret;
 	u16 info1;
 
-	if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
+	if (WARN_ON(skb == NULL ||
+		    (if_idx > (wmi->parent_dev->vif_max - 1)))) {
+		dev_kfree_skb(skb);
 		return -EINVAL;
+	}
 
 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
 		   cmd_id, skb->len, sync_flag);
@@ -1833,6 +1905,59 @@ int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
 	return ret;
 }
 
+/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
+ * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
+ * mgmt operations using station interface.
+ */
+static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
+				    enum wmi_scan_type scan_type,
+				    u32 force_fgscan, u32 is_legacy,
+				    u32 home_dwell_time,
+				    u32 force_scan_interval,
+				    s8 num_chan, u16 *ch_list)
+{
+	struct sk_buff *skb;
+	struct wmi_start_scan_cmd *sc;
+	s8 size;
+	int i, ret;
+
+	size = sizeof(struct wmi_start_scan_cmd);
+
+	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
+		return -EINVAL;
+
+	if (num_chan > WMI_MAX_CHANNELS)
+		return -EINVAL;
+
+	if (num_chan)
+		size += sizeof(u16) * (num_chan - 1);
+
+	skb = ath6kl_wmi_get_new_buf(size);
+	if (!skb)
+		return -ENOMEM;
+
+	sc = (struct wmi_start_scan_cmd *) skb->data;
+	sc->scan_type = scan_type;
+	sc->force_fg_scan = cpu_to_le32(force_fgscan);
+	sc->is_legacy = cpu_to_le32(is_legacy);
+	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
+	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
+	sc->num_ch = num_chan;
+
+	for (i = 0; i < num_chan; i++)
+		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
+
+	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
+				  NO_SYNC_WMIFLAG);
+
+	return ret;
+}
+
+/*
+ * beginscan supports (compared to old startscan) P2P mgmt operations using
+ * station interface, send additional information like supported rates to
+ * advertise and xmit rates for probe requests
+ */
 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
 			     enum wmi_scan_type scan_type,
 			     u32 force_fgscan, u32 is_legacy,
@@ -1848,6 +1973,15 @@ int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
 	int num_rates;
 	u32 ratemask;
 
+	if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
+		      ar->fw_capabilities)) {
+		return ath6kl_wmi_startscan_cmd(wmi, if_idx,
+						scan_type, force_fgscan,
+						is_legacy, home_dwell_time,
+						force_scan_interval,
+						num_chan, ch_list);
+	}
+
 	size = sizeof(struct wmi_begin_scan_cmd);
 
 	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
@@ -1900,50 +2034,24 @@ int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
 	return ret;
 }
 
-/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
- * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
- * mgmt operations using station interface.
- */
-int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
-			     enum wmi_scan_type scan_type,
-			     u32 force_fgscan, u32 is_legacy,
-			     u32 home_dwell_time, u32 force_scan_interval,
-			     s8 num_chan, u16 *ch_list)
+int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
 {
 	struct sk_buff *skb;
-	struct wmi_start_scan_cmd *sc;
-	s8 size;
-	int i, ret;
-
-	size = sizeof(struct wmi_start_scan_cmd);
-
-	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
-		return -EINVAL;
-
-	if (num_chan > WMI_MAX_CHANNELS)
-		return -EINVAL;
-
-	if (num_chan)
-		size += sizeof(u16) * (num_chan - 1);
+	struct wmi_enable_sched_scan_cmd *sc;
+	int ret;
 
-	skb = ath6kl_wmi_get_new_buf(size);
+	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
 	if (!skb)
 		return -ENOMEM;
 
-	sc = (struct wmi_start_scan_cmd *) skb->data;
-	sc->scan_type = scan_type;
-	sc->force_fg_scan = cpu_to_le32(force_fgscan);
-	sc->is_legacy = cpu_to_le32(is_legacy);
-	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
-	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
-	sc->num_ch = num_chan;
-
-	for (i = 0; i < num_chan; i++)
-		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
+	ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
+		   enable ? "enabling" : "disabling", if_idx);
+	sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
+	sc->enable = enable ? 1 : 0;
 
-	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
+	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
+				  WMI_ENABLE_SCHED_SCAN_CMDID,
 				  NO_SYNC_WMIFLAG);
-
 	return ret;
 }
 
@@ -2275,8 +2383,10 @@ static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
 	struct wmi_data_hdr *data_hdr;
 	int ret;
 
-	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
+	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
+		dev_kfree_skb(skb);
 		return -EINVAL;
+	}
 
 	skb_push(skb, sizeof(struct wmi_data_hdr));
 
@@ -2313,10 +2423,8 @@ static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
 	spin_unlock_bh(&wmi->lock);
 
 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
-	if (!skb) {
-		ret = -ENOMEM;
-		goto free_skb;
-	}
+	if (!skb)
+		return -ENOMEM;
 
 	cmd = (struct wmi_sync_cmd *) skb->data;
 
@@ -2339,7 +2447,7 @@ static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
 	 * then do not send the Synchronize cmd on the control ep
 	 */
 	if (ret)
-		goto free_skb;
+		goto free_cmd_skb;
 
 	/*
 	 * Send sync cmd followed by sync data messages on all
@@ -2349,15 +2457,12 @@ static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
 				  NO_SYNC_WMIFLAG);
 
 	if (ret)
-		goto free_skb;
-
-	/* cmd buffer sent, we no longer own it */
-	skb = NULL;
+		goto free_data_skb;
 
 	for (index = 0; index < num_pri_streams; index++) {
 
 		if (WARN_ON(!data_sync_bufs[index].skb))
-			break;
+			goto free_data_skb;
 
 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
 					       data_sync_bufs[index].
@@ -2366,17 +2471,20 @@ static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
 		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
 					      ep_id, if_idx);
 
-		if (ret)
-			break;
-
 		data_sync_bufs[index].skb = NULL;
+
+		if (ret)
+			goto free_data_skb;
 	}
 
-free_skb:
+	return 0;
+
+free_cmd_skb:
 	/* free up any resources left over (possibly due to an error) */
 	if (skb)
 		dev_kfree_skb(skb);
 
+free_data_skb:
 	for (index = 0; index < num_pri_streams; index++) {
 		if (data_sync_bufs[index].skb != NULL) {
 			dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
@@ -2618,11 +2726,13 @@ static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
 {
 	struct sk_buff *skb;
 	int ret, mode, band;
-	u64 mcsrate, ratemask[IEEE80211_NUM_BANDS];
+	u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
 	struct wmi_set_tx_select_rates64_cmd *cmd;
 
 	memset(&ratemask, 0, sizeof(ratemask));
-	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+
+	/* only check 2.4 and 5 GHz bands, skip the rest */
+	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
 		/* copy legacy rate mask */
 		ratemask[band] = mask->control[band].legacy;
 		if (band == IEEE80211_BAND_5GHZ)
@@ -2668,11 +2778,13 @@ static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
 {
 	struct sk_buff *skb;
 	int ret, mode, band;
-	u32 mcsrate, ratemask[IEEE80211_NUM_BANDS];
+	u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
 	struct wmi_set_tx_select_rates32_cmd *cmd;
 
 	memset(&ratemask, 0, sizeof(ratemask));
-	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+
+	/* only check 2.4 and 5 GHz bands, skip the rest */
+	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
 		/* copy legacy rate mask */
 		ratemask[band] = mask->control[band].legacy;
 		if (band == IEEE80211_BAND_5GHZ)
@@ -2716,7 +2828,7 @@ int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
 {
 	struct ath6kl *ar = wmi->parent_dev;
 
-	if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES)
+	if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
 		return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
 	else
 		return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
@@ -3139,12 +3251,40 @@ int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
 	return ret;
 }
 
+int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
+{
+	struct sk_buff *skb;
+	struct wmi_set_regdomain_cmd *cmd;
+
+	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct wmi_set_regdomain_cmd *) skb->data;
+	memcpy(cmd->iso_name, alpha2, 2);
+
+	return ath6kl_wmi_cmd_send(wmi, 0, skb,
+				   WMI_SET_REGDOMAIN_CMDID,
+				   NO_SYNC_WMIFLAG);
+}
+
 s32 ath6kl_wmi_get_rate(s8 rate_index)
 {
+	u8 sgi = 0;
+
 	if (rate_index == RATE_AUTO)
 		return 0;
 
-	return wmi_rate_tbl[(u32) rate_index][0];
+	/* SGI is stored as the MSB of the rate_index */
+	if (rate_index & RATE_INDEX_MSB) {
+		rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
+		sgi = 1;
+	}
+
+	if (WARN_ON(rate_index > RATE_MCS_7_40))
+		rate_index = RATE_MCS_7_40;
+
+	return wmi_rate_tbl[(u32) rate_index][sgi];
 }
 
 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
@@ -3634,6 +3774,19 @@ int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
 				   NO_SYNC_WMIFLAG);
 }
 
+static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
+					       int len)
+{
+	struct wmix_hb_challenge_resp_cmd *cmd;
+
+	if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
+		return;
+
+	cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
+	ath6kl_recovery_hb_event(wmi->parent_dev,
+				 le32_to_cpu(cmd->cookie));
+}
+
 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
 {
 	struct wmix_cmd_hdr *cmd;
@@ -3658,6 +3811,7 @@ static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
 	switch (id) {
 	case WMIX_HB_CHALLENGE_RESP_EVENTID:
 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
+		ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
 		break;
 	case WMIX_DBGLOG_EVENTID:
 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
@@ -3750,6 +3904,9 @@ static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
 	case WMI_RX_ACTION_EVENTID:
 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
 		return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
+	case WMI_TXE_NOTIFY_EVENTID:
+		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
+		return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
 	default:
 		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
 		return -EINVAL;

drivers/net/wireless/ath/ath6kl/wmi.h

@@ -48,7 +48,7 @@
 
 #define A_BAND_24GHZ           0
 #define A_BAND_5GHZ            1
-#define A_NUM_BANDS            2
+#define ATH6KL_NUM_BANDS       2
 
 /* in ms */
 #define WMI_IMPLICIT_PSTREAM_INACTIVITY_INT 5000
@@ -628,6 +628,20 @@ enum wmi_cmd_id {
 	WMI_SET_MCASTRATE,
 
 	WMI_STA_BMISS_ENHANCE_CMDID,
+
+	WMI_SET_REGDOMAIN_CMDID,
+
+	WMI_SET_RSSI_FILTER_CMDID,
+
+	WMI_SET_KEEP_ALIVE_EXT,
+
+	WMI_VOICE_DETECTION_ENABLE_CMDID,
+
+	WMI_SET_TXE_NOTIFY_CMDID,
+
+	WMI_SET_RECOVERY_TEST_PARAMETER_CMDID, /*0xf094*/
+
+	WMI_ENABLE_SCHED_SCAN_CMDID,
 };
 
 enum wmi_mgmt_frame_type {
@@ -843,7 +857,7 @@ struct wmi_begin_scan_cmd {
 	u8 scan_type;
 
 	/* Supported rates to advertise in the probe request frames */
-	struct wmi_supp_rates supp_rates[IEEE80211_NUM_BANDS];
+	struct wmi_supp_rates supp_rates[ATH6KL_NUM_BANDS];
 
 	/* how many channels follow */
 	u8 num_ch;
@@ -941,6 +955,11 @@ struct wmi_scan_params_cmd {
 	__le32 max_dfsch_act_time;
 } __packed;
 
+/* WMI_ENABLE_SCHED_SCAN_CMDID */
+struct wmi_enable_sched_scan_cmd {
+	u8 enable;
+} __packed;
+
 /* WMI_SET_BSS_FILTER_CMDID */
 enum wmi_bss_filter {
 	/* no beacons forwarded */
@@ -1032,6 +1051,11 @@ struct wmi_sta_bmiss_enhance_cmd {
 	u8 enable;
 } __packed;
 
+struct wmi_set_regdomain_cmd {
+	u8 length;
+	u8 iso_name[2];
+} __packed;
+
 /* WMI_SET_POWER_MODE_CMDID */
 enum wmi_power_mode {
 	REC_POWER = 0x01,
@@ -1276,6 +1300,11 @@ struct wmi_snr_threshold_params_cmd {
 	u8 reserved[3];
 } __packed;
 
+/* Don't report BSSs with signal (RSSI) below this threshold */
+struct wmi_set_rssi_filter_cmd {
+	s8 rssi;
+} __packed;
+
 enum wmi_preamble_policy {
 	WMI_IGNORE_BARKER_IN_ERP = 0,
 	WMI_FOLLOW_BARKER_IN_ERP,
@@ -1455,6 +1484,20 @@ enum wmi_event_id {
 	WMI_P2P_CAPABILITIES_EVENTID,
 	WMI_RX_ACTION_EVENTID,
 	WMI_P2P_INFO_EVENTID,
+
+	/* WPS Events */
+	WMI_WPS_GET_STATUS_EVENTID,
+	WMI_WPS_PROFILE_EVENTID,
+
+	/* more P2P events */
+	WMI_NOA_INFO_EVENTID,
+	WMI_OPPPS_INFO_EVENTID,
+	WMI_PORT_STATUS_EVENTID,
+
+	/* 802.11w */
+	WMI_GET_RSN_CAP_EVENTID,
+
+	WMI_TXE_NOTIFY_EVENTID,
 };
 
 struct wmi_ready_event_2 {
@@ -1749,6 +1792,9 @@ struct rx_stats {
 	a_sle32 ucast_rate;
 } __packed;
 
+#define RATE_INDEX_WITHOUT_SGI_MASK     0x7f
+#define RATE_INDEX_MSB     0x80
+
 struct tkip_ccmp_stats {
 	__le32 tkip_local_mic_fail;
 	__le32 tkip_cnter_measures_invoked;
@@ -2019,7 +2065,6 @@ struct wmi_set_ie_cmd {
 
 #define WOW_MAX_FILTERS_PER_LIST 4
 #define WOW_PATTERN_SIZE	 64
-#define WOW_MASK_SIZE		 64
 
 #define MAC_MAX_FILTERS_PER_LIST 4
 
@@ -2028,7 +2073,7 @@ struct wow_filter {
 	u8 wow_filter_id;
 	u8 wow_filter_size;
 	u8 wow_filter_offset;
-	u8 wow_filter_mask[WOW_MASK_SIZE];
+	u8 wow_filter_mask[WOW_PATTERN_SIZE];
 	u8 wow_filter_pattern[WOW_PATTERN_SIZE];
 } __packed;
 
@@ -2087,6 +2132,19 @@ struct wmi_del_wow_pattern_cmd {
 	__le16 filter_id;
 } __packed;
 
+/* WMI_SET_TXE_NOTIFY_CMDID */
+struct wmi_txe_notify_cmd {
+	__le32 rate;
+	__le32 pkts;
+	__le32 intvl;
+} __packed;
+
+/* WMI_TXE_NOTIFY_EVENTID */
+struct wmi_txe_notify_event {
+	__le32 rate;
+	__le32 pkts;
+} __packed;
+
 /* WMI_SET_AKMP_PARAMS_CMD */
 
 struct wmi_pmkid {
@@ -2505,11 +2563,6 @@ int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
 			     u16 channel);
 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx);
-int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
-			     enum wmi_scan_type scan_type,
-			     u32 force_fgscan, u32 is_legacy,
-			     u32 home_dwell_time, u32 force_scan_interval,
-			     s8 num_chan, u16 *ch_list);
 
 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
 			     enum wmi_scan_type scan_type,
@@ -2517,6 +2570,7 @@ int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
 			     u32 home_dwell_time, u32 force_scan_interval,
 			     s8 num_chan, u16 *ch_list, u32 no_cck,
 			     u32 *rates);
+int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable);
 
 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx, u16 fg_start_sec,
 			      u16 fg_end_sec, u16 bg_sec,
@@ -2592,6 +2646,7 @@ int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
 				   const u8 *mask);
 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
 				   u16 list_id, u16 filter_id);
+int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi);
 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi);
 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period);
 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid);
@@ -2600,6 +2655,9 @@ int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on);
 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
 					u8 *filter, bool add_filter);
 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enable);
+int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
+			      u32 rate, u32 pkts, u32 intvl);
+int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2);
 
 /* AP mode uAPSD */
 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable);
@@ -2658,6 +2716,8 @@ int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout);
 
 void ath6kl_wmi_sscan_timer(unsigned long ptr);
 
+int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source);
+
 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx);
 void *ath6kl_wmi_init(struct ath6kl *devt);
 void ath6kl_wmi_shutdown(struct wmi *wmi);