1 files changed, 256 insertions, 166 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index ef4c6066129..5627917c5ff 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -24,30 +24,10 @@
 static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv,
 					      struct ath9k_channel *ichan)
 {
-	enum htc_phymode mode;
-
-	mode = -EINVAL;
-
-	switch (ichan->chanmode) {
-	case CHANNEL_G:
-	case CHANNEL_G_HT20:
-	case CHANNEL_G_HT40PLUS:
-	case CHANNEL_G_HT40MINUS:
-		mode = HTC_MODE_11NG;
-		break;
-	case CHANNEL_A:
-	case CHANNEL_A_HT20:
-	case CHANNEL_A_HT40PLUS:
-	case CHANNEL_A_HT40MINUS:
-		mode = HTC_MODE_11NA;
-		break;
-	default:
-		break;
-	}
-
-	WARN_ON(mode < 0);
+	if (IS_CHAN_5GHZ(ichan))
+		return HTC_MODE_11NA;
 
-	return mode;
+	return HTC_MODE_11NG;
 }
 
 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
@@ -75,14 +55,19 @@ unlock:
 
 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv)
 {
+	bool reset;
+
 	mutex_lock(&priv->htc_pm_lock);
 	if (--priv->ps_usecount != 0)
 		goto unlock;
 
-	if (priv->ps_idle)
+	if (priv->ps_idle) {
+		ath9k_hw_setrxabort(priv->ah, true);
+		ath9k_hw_stopdmarecv(priv->ah, &reset);
 		ath9k_hw_setpower(priv->ah, ATH9K_PM_FULL_SLEEP);
-	else if (priv->ps_enabled)
+	} else if (priv->ps_enabled) {
 		ath9k_hw_setpower(priv->ah, ATH9K_PM_NETWORK_SLEEP);
+	}
 
 unlock:
 	mutex_unlock(&priv->htc_pm_lock);
@@ -108,8 +93,12 @@ static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 	struct ath9k_htc_priv *priv = data;
 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
 
-	if ((vif->type == NL80211_IFTYPE_AP) && bss_conf->enable_beacon)
+	if ((vif->type == NL80211_IFTYPE_AP ||
+	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
+	    bss_conf->enable_beacon) {
 		priv->reconfig_beacon = true;
+		priv->rearm_ani = true;
+	}
 
 	if (bss_conf->assoc) {
 		priv->rearm_ani = true;
@@ -122,8 +111,9 @@ static void ath9k_htc_vif_reconfig(struct ath9k_htc_priv *priv)
 	priv->rearm_ani = false;
 	priv->reconfig_beacon = false;
 
-	ieee80211_iterate_active_interfaces_atomic(priv->hw,
-						   ath9k_htc_vif_iter, priv);
+	ieee80211_iterate_active_interfaces_atomic(
+		priv->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+		ath9k_htc_vif_iter, priv);
 	if (priv->rearm_ani)
 		ath9k_htc_start_ani(priv);
 
@@ -139,31 +129,41 @@ static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 	struct ath9k_vif_iter_data *iter_data = data;
 	int i;
 
-	for (i = 0; i < ETH_ALEN; i++)
-		iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
+	if (iter_data->hw_macaddr != NULL) {
+		for (i = 0; i < ETH_ALEN; i++)
+			iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
+	} else {
+		iter_data->hw_macaddr = mac;
+	}
 }
 
-static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv,
+static void ath9k_htc_set_mac_bssid_mask(struct ath9k_htc_priv *priv,
 				     struct ieee80211_vif *vif)
 {
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 	struct ath9k_vif_iter_data iter_data;
 
 	/*
-	 * Use the hardware MAC address as reference, the hardware uses it
-	 * together with the BSSID mask when matching addresses.
+	 * Pick the MAC address of the first interface as the new hardware
+	 * MAC address. The hardware will use it together with the BSSID mask
+	 * when matching addresses.
 	 */
-	iter_data.hw_macaddr = common->macaddr;
+	iter_data.hw_macaddr = NULL;
 	memset(&iter_data.mask, 0xff, ETH_ALEN);
 
 	if (vif)
 		ath9k_htc_bssid_iter(&iter_data, vif->addr, vif);
 
 	/* Get list of all active MAC addresses */
-	ieee80211_iterate_active_interfaces_atomic(priv->hw, ath9k_htc_bssid_iter,
-						   &iter_data);
+	ieee80211_iterate_active_interfaces_atomic(
+		priv->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+		ath9k_htc_bssid_iter, &iter_data);
 
 	memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+
+	if (iter_data.hw_macaddr)
+		memcpy(common->macaddr, iter_data.hw_macaddr, ETH_ALEN);
+
 	ath_hw_setbssidmask(common);
 }
 
@@ -173,6 +173,8 @@ static void ath9k_htc_set_opmode(struct ath9k_htc_priv *priv)
 		priv->ah->opmode = NL80211_IFTYPE_ADHOC;
 	else if (priv->num_ap_vif)
 		priv->ah->opmode = NL80211_IFTYPE_AP;
+	else if (priv->num_mbss_vif)
+		priv->ah->opmode = NL80211_IFTYPE_MESH_POINT;
 	else
 		priv->ah->opmode = NL80211_IFTYPE_STATION;
 
@@ -183,7 +185,7 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
 {
 	struct ath_hw *ah = priv->ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ieee80211_channel *channel = priv->hw->conf.channel;
+	struct ieee80211_channel *channel = priv->hw->conf.chandef.chan;
 	struct ath9k_hw_cal_data *caldata = NULL;
 	enum htc_phymode mode;
 	__be16 htc_mode;
@@ -243,20 +245,21 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_conf *conf = &common->hw->conf;
 	bool fastcc;
-	struct ieee80211_channel *channel = hw->conf.channel;
+	struct ieee80211_channel *channel = hw->conf.chandef.chan;
 	struct ath9k_hw_cal_data *caldata = NULL;
 	enum htc_phymode mode;
 	__be16 htc_mode;
 	u8 cmd_rsp;
 	int ret;
 
-	if (priv->op_flags & OP_INVALID)
+	if (test_bit(ATH_OP_INVALID, &common->op_flags))
 		return -EIO;
 
 	fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL);
 
 	ath9k_htc_ps_wakeup(priv);
 
+	ath9k_htc_stop_ani(priv);
 	del_timer_sync(&priv->tx.cleanup_timer);
 	ath9k_htc_tx_drain(priv);
 
@@ -304,7 +307,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 
 	htc_start(priv->htc);
 
-	if (!(priv->op_flags & OP_SCANNING) &&
+	if (!test_bit(ATH_OP_SCANNING, &common->op_flags) &&
 	    !(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
 		ath9k_htc_vif_reconfig(priv);
 
@@ -484,24 +487,20 @@ static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
 		ista = (struct ath9k_htc_sta *) sta->drv_priv;
 		memcpy(&tsta.macaddr, sta->addr, ETH_ALEN);
 		memcpy(&tsta.bssid, common->curbssid, ETH_ALEN);
-		tsta.is_vif_sta = 0;
 		ista->index = sta_idx;
+		tsta.is_vif_sta = 0;
+		maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+				 sta->ht_cap.ampdu_factor);
+		tsta.maxampdu = cpu_to_be16(maxampdu);
 	} else {
 		memcpy(&tsta.macaddr, vif->addr, ETH_ALEN);
 		tsta.is_vif_sta = 1;
+		tsta.maxampdu = cpu_to_be16(0xffff);
 	}
 
 	tsta.sta_index = sta_idx;
 	tsta.vif_index = avp->index;
 
-	if (!sta) {
-		tsta.maxampdu = cpu_to_be16(0xffff);
-	} else {
-		maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
-				 sta->ht_cap.ampdu_factor);
-		tsta.maxampdu = cpu_to_be16(maxampdu);
-	}
-
 	WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta);
 	if (ret) {
 		if (sta)
@@ -599,7 +598,7 @@ static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv,
 	u32 caps = 0;
 	int i, j;
 
-	sband = priv->hw->wiphy->bands[priv->hw->conf.channel->band];
+	sband = priv->hw->wiphy->bands[priv->hw->conf.chandef.chan->band];
 
 	for (i = 0, j = 0; i < sband->n_bitrates; i++) {
 		if (sta->supp_rates[sband->band] & BIT(i)) {
@@ -620,6 +619,8 @@ static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv,
 		trate->rates.ht_rates.rs_nrates = j;
 
 		caps = WLAN_RC_HT_FLAG;
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
+			caps |= ATH_RC_TX_STBC_FLAG;
 		if (sta->ht_cap.mcs.rx_mask[1])
 			caps |= WLAN_RC_DS_FLAG;
 		if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
@@ -750,7 +751,7 @@ void ath9k_htc_start_ani(struct ath9k_htc_priv *priv)
 	common->ani.shortcal_timer = timestamp;
 	common->ani.checkani_timer = timestamp;
 
-	priv->op_flags |= OP_ANI_RUNNING;
+	set_bit(ATH_OP_ANI_RUN, &common->op_flags);
 
 	ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
 				     msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
@@ -758,8 +759,9 @@ void ath9k_htc_start_ani(struct ath9k_htc_priv *priv)
 
 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv)
 {
+	struct ath_common *common = ath9k_hw_common(priv->ah);
 	cancel_delayed_work_sync(&priv->ani_work);
-	priv->op_flags &= ~OP_ANI_RUNNING;
+	clear_bit(ATH_OP_ANI_RUN, &common->op_flags);
 }
 
 void ath9k_htc_ani_work(struct work_struct *work)
@@ -807,8 +809,7 @@ void ath9k_htc_ani_work(struct work_struct *work)
 	}
 
 	/* Verify whether we must check ANI */
-	if (ah->config.enable_ani &&
-	    (timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
+	if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
 		aniflag = true;
 		common->ani.checkani_timer = timestamp;
 	}
@@ -838,8 +839,7 @@ set_timer:
 	* short calibration and long calibration.
 	*/
 	cal_interval = ATH_LONG_CALINTERVAL;
-	if (ah->config.enable_ani)
-		cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
+	cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
 	if (!common->ani.caldone)
 		cal_interval = min(cal_interval, (u32)short_cal_interval);
 
@@ -851,7 +851,9 @@ set_timer:
 /* mac80211 Callbacks */
 /**********************/
 
-static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void ath9k_htc_tx(struct ieee80211_hw *hw,
+			 struct ieee80211_tx_control *control,
+			 struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr;
 	struct ath9k_htc_priv *priv = hw->priv;
@@ -861,7 +863,7 @@ static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	hdr = (struct ieee80211_hdr *) skb->data;
 
 	/* Add the padding after the header if this is not already done */
-	padpos = ath9k_cmn_padpos(hdr->frame_control);
+	padpos = ieee80211_hdrlen(hdr->frame_control);
 	padsize = padpos & 3;
 	if (padsize && skb->len > padpos) {
 		if (skb_headroom(skb) < padsize) {
@@ -878,7 +880,7 @@ static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 		goto fail_tx;
 	}
 
-	ret = ath9k_htc_tx_start(priv, skb, slot, false);
+	ret = ath9k_htc_tx_start(priv, control->sta, skb, slot, false);
 	if (ret != 0) {
 		ath_dbg(common, XMIT, "Tx failed\n");
 		goto clear_slot;
@@ -899,7 +901,7 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
 	struct ath9k_htc_priv *priv = hw->priv;
 	struct ath_hw *ah = priv->ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ieee80211_channel *curchan = hw->conf.channel;
+	struct ieee80211_channel *curchan = hw->conf.chandef.chan;
 	struct ath9k_channel *init_channel;
 	int ret = 0;
 	enum htc_phymode mode;
@@ -917,9 +919,8 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
 	WMI_CMD(WMI_FLUSH_RECV_CMDID);
 
 	/* setup initial channel */
-	init_channel = ath9k_cmn_get_curchannel(hw, ah);
+	init_channel = ath9k_cmn_get_channel(hw, ah, &hw->conf.chandef);
 
-	ath9k_hw_htc_resetinit(ah);
 	ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
 	if (ret) {
 		ath_err(common,
@@ -945,7 +946,7 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
 		ath_dbg(common, CONFIG,
 			"Failed to update capability in target\n");
 
-	priv->op_flags &= ~OP_INVALID;
+	clear_bit(ATH_OP_INVALID, &common->op_flags);
 	htc_start(priv->htc);
 
 	spin_lock_bh(&priv->tx.tx_lock);
@@ -957,12 +958,8 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
 	mod_timer(&priv->tx.cleanup_timer,
 		  jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) {
-		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
-					   AR_STOMP_LOW_WLAN_WGHT);
-		ath9k_hw_btcoex_enable(ah);
-		ath_htc_resume_btcoex_work(priv);
-	}
+	ath9k_htc_start_btcoex(priv);
+
 	mutex_unlock(&priv->mutex);
 
 	return ret;
@@ -978,7 +975,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 
 	mutex_lock(&priv->mutex);
 
-	if (priv->op_flags & OP_INVALID) {
+	if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
 		ath_dbg(common, ANY, "Device not present\n");
 		mutex_unlock(&priv->mutex);
 		return;
@@ -1009,12 +1006,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 
 	mutex_lock(&priv->mutex);
 
-	if (ah->btcoex_hw.enabled &&
-	    ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) {
-		ath9k_hw_btcoex_disable(ah);
-		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
-			ath_htc_cancel_btcoex_work(priv);
-	}
+	ath9k_htc_stop_btcoex(priv);
 
 	/* Remove a monitor interface if it's present. */
 	if (priv->ah->is_monitoring)
@@ -1025,7 +1017,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 	ath9k_htc_ps_restore(priv);
 	ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);
 
-	priv->op_flags |= OP_INVALID;
+	set_bit(ATH_OP_INVALID, &common->op_flags);
 
 	ath_dbg(common, CONFIG, "Driver halt\n");
 	mutex_unlock(&priv->mutex);
@@ -1043,26 +1035,6 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
 
 	mutex_lock(&priv->mutex);
 
-	if (priv->nvifs >= ATH9K_HTC_MAX_VIF) {
-		mutex_unlock(&priv->mutex);
-		return -ENOBUFS;
-	}
-
-	if (priv->num_ibss_vif ||
-	    (priv->nvifs && vif->type == NL80211_IFTYPE_ADHOC)) {
-		ath_err(common, "IBSS coexistence with other modes is not allowed\n");
-		mutex_unlock(&priv->mutex);
-		return -ENOBUFS;
-	}
-
-	if (((vif->type == NL80211_IFTYPE_AP) ||
-	     (vif->type == NL80211_IFTYPE_ADHOC)) &&
-	    ((priv->num_ap_vif + priv->num_ibss_vif) >= ATH9K_HTC_MAX_BCN_VIF)) {
-		ath_err(common, "Max. number of beaconing interfaces reached\n");
-		mutex_unlock(&priv->mutex);
-		return -ENOBUFS;
-	}
-
 	ath9k_htc_ps_wakeup(priv);
 	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
 	memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);
@@ -1077,6 +1049,9 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
 	case NL80211_IFTYPE_AP:
 		hvif.opmode = HTC_M_HOSTAP;
 		break;
+	case NL80211_IFTYPE_MESH_POINT:
+		hvif.opmode = HTC_M_WDS;	/* close enough */
+		break;
 	default:
 		ath_err(common,
 			"Interface type %d not yet supported\n", vif->type);
@@ -1101,7 +1076,7 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
 		goto out;
 	}
 
-	ath9k_htc_set_bssid_mask(priv, vif);
+	ath9k_htc_set_mac_bssid_mask(priv, vif);
 
 	priv->vif_slot |= (1 << avp->index);
 	priv->nvifs++;
@@ -1109,14 +1084,15 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
 	INC_VIF(priv, vif->type);
 
 	if ((vif->type == NL80211_IFTYPE_AP) ||
+	    (vif->type == NL80211_IFTYPE_MESH_POINT) ||
 	    (vif->type == NL80211_IFTYPE_ADHOC))
 		ath9k_htc_assign_bslot(priv, vif);
 
 	ath9k_htc_set_opmode(priv);
 
 	if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
-	    !(priv->op_flags & OP_ANI_RUNNING)) {
-		ath9k_hw_set_tsfadjust(priv->ah, 1);
+	    !test_bit(ATH_OP_ANI_RUN, &common->op_flags)) {
+		ath9k_hw_set_tsfadjust(priv->ah, true);
 		ath9k_htc_start_ani(priv);
 	}
 
@@ -1159,20 +1135,22 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
 	DEC_VIF(priv, vif->type);
 
 	if ((vif->type == NL80211_IFTYPE_AP) ||
+	     vif->type == NL80211_IFTYPE_MESH_POINT ||
 	    (vif->type == NL80211_IFTYPE_ADHOC))
 		ath9k_htc_remove_bslot(priv, vif);
 
 	ath9k_htc_set_opmode(priv);
 
-	ath9k_htc_set_bssid_mask(priv, vif);
+	ath9k_htc_set_mac_bssid_mask(priv, vif);
 
 	/*
 	 * Stop ANI only if there are no associated station interfaces.
 	 */
 	if ((vif->type == NL80211_IFTYPE_AP) && (priv->num_ap_vif == 0)) {
 		priv->rearm_ani = false;
-		ieee80211_iterate_active_interfaces_atomic(priv->hw,
-						   ath9k_htc_vif_iter, priv);
+		ieee80211_iterate_active_interfaces_atomic(
+			priv->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+			ath9k_htc_vif_iter, priv);
 		if (!priv->rearm_ani)
 			ath9k_htc_stop_ani(priv);
 	}
@@ -1188,24 +1166,20 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
 	struct ath9k_htc_priv *priv = hw->priv;
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 	struct ieee80211_conf *conf = &hw->conf;
+	bool chip_reset = false;
+	int ret = 0;
 
 	mutex_lock(&priv->mutex);
+	ath9k_htc_ps_wakeup(priv);
 
 	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
-		bool enable_radio = false;
-		bool idle = !!(conf->flags & IEEE80211_CONF_IDLE);
-
 		mutex_lock(&priv->htc_pm_lock);
-		if (!idle && priv->ps_idle)
-			enable_radio = true;
-		priv->ps_idle = idle;
-		mutex_unlock(&priv->htc_pm_lock);
 
-		if (enable_radio) {
-			ath_dbg(common, CONFIG, "not-idle: enabling radio\n");
-			ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
-			ath9k_htc_radio_enable(hw);
-		}
+		priv->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
+		if (!priv->ps_idle)
+			chip_reset = true;
+
+		mutex_unlock(&priv->htc_pm_lock);
 	}
 
 	/*
@@ -1220,21 +1194,18 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
 			ath9k_htc_remove_monitor_interface(priv);
 	}
 
-	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
-		struct ieee80211_channel *curchan = hw->conf.channel;
+	if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || chip_reset) {
+		struct ieee80211_channel *curchan = hw->conf.chandef.chan;
 		int pos = curchan->hw_value;
 
 		ath_dbg(common, CONFIG, "Set channel: %d MHz\n",
 			curchan->center_freq);
 
-		ath9k_cmn_update_ichannel(&priv->ah->channels[pos],
-					  hw->conf.channel,
-					  hw->conf.channel_type);
-
+		ath9k_cmn_get_channel(hw, priv->ah, &hw->conf.chandef);
 		if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) {
 			ath_err(common, "Unable to set channel\n");
-			mutex_unlock(&priv->mutex);
-			return -EINVAL;
+			ret = -EINVAL;
+			goto out;
 		}
 
 	}
@@ -1256,21 +1227,10 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
 				       priv->txpowlimit, &priv->curtxpow);
 	}
 
-	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
-		mutex_lock(&priv->htc_pm_lock);
-		if (!priv->ps_idle) {
-			mutex_unlock(&priv->htc_pm_lock);
-			goto out;
-		}
-		mutex_unlock(&priv->htc_pm_lock);
-
-		ath_dbg(common, CONFIG, "idle: disabling radio\n");
-		ath9k_htc_radio_disable(hw);
-	}
-
 out:
+	ath9k_htc_ps_restore(priv);
 	mutex_unlock(&priv->mutex);
-	return 0;
+	return ret;
 }
 
 #define SUPPORTED_FILTERS			\
@@ -1289,13 +1249,14 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
 				       u64 multicast)
 {
 	struct ath9k_htc_priv *priv = hw->priv;
+	struct ath_common *common = ath9k_hw_common(priv->ah);
 	u32 rfilt;
 
 	mutex_lock(&priv->mutex);
 	changed_flags &= SUPPORTED_FILTERS;
 	*total_flags &= SUPPORTED_FILTERS;
 
-	if (priv->op_flags & OP_INVALID) {
+	if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
 		ath_dbg(ath9k_hw_common(priv->ah), ANY,
 			"Unable to configure filter on invalid state\n");
 		mutex_unlock(&priv->mutex);
@@ -1314,18 +1275,50 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
 	mutex_unlock(&priv->mutex);
 }
 
+static void ath9k_htc_sta_rc_update_work(struct work_struct *work)
+{
+	struct ath9k_htc_sta *ista =
+	    container_of(work, struct ath9k_htc_sta, rc_update_work);
+	struct ieee80211_sta *sta =
+	    container_of((void *)ista, struct ieee80211_sta, drv_priv);
+	struct ath9k_htc_priv *priv = ista->htc_priv;
+	struct ath_common *common = ath9k_hw_common(priv->ah);
+	struct ath9k_htc_target_rate trate;
+
+	mutex_lock(&priv->mutex);
+	ath9k_htc_ps_wakeup(priv);
+
+	memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
+	ath9k_htc_setup_rate(priv, sta, &trate);
+	if (!ath9k_htc_send_rate_cmd(priv, &trate))
+		ath_dbg(common, CONFIG,
+			"Supported rates for sta: %pM updated, rate caps: 0x%X\n",
+			sta->addr, be32_to_cpu(trate.capflags));
+	else
+		ath_dbg(common, CONFIG,
+			"Unable to update supported rates for sta: %pM\n",
+			sta->addr);
+
+	ath9k_htc_ps_restore(priv);
+	mutex_unlock(&priv->mutex);
+}
+
 static int ath9k_htc_sta_add(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif,
 			     struct ieee80211_sta *sta)
 {
 	struct ath9k_htc_priv *priv = hw->priv;
+	struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
 	int ret;
 
 	mutex_lock(&priv->mutex);
 	ath9k_htc_ps_wakeup(priv);
 	ret = ath9k_htc_add_station(priv, vif, sta);
-	if (!ret)
+	if (!ret) {
+		INIT_WORK(&ista->rc_update_work, ath9k_htc_sta_rc_update_work);
+		ista->htc_priv = priv;
 		ath9k_htc_init_rate(priv, sta);
+	}
 	ath9k_htc_ps_restore(priv);
 	mutex_unlock(&priv->mutex);
 
@@ -1337,12 +1330,13 @@ static int ath9k_htc_sta_remove(struct ieee80211_hw *hw,
 				struct ieee80211_sta *sta)
 {
 	struct ath9k_htc_priv *priv = hw->priv;
-	struct ath9k_htc_sta *ista;
+	struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
 	int ret;
 
+	cancel_work_sync(&ista->rc_update_work);
+
 	mutex_lock(&priv->mutex);
 	ath9k_htc_ps_wakeup(priv);
-	ista = (struct ath9k_htc_sta *) sta->drv_priv;
 	htc_sta_drain(priv->htc, ista->index);
 	ret = ath9k_htc_remove_station(priv, vif, sta);
 	ath9k_htc_ps_restore(priv);
@@ -1351,6 +1345,18 @@ static int ath9k_htc_sta_remove(struct ieee80211_hw *hw,
 	return ret;
 }
 
+static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_sta *sta, u32 changed)
+{
+	struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
+
+	if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED))
+		return;
+
+	schedule_work(&ista->rc_update_work);
+}
+
 static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif, u16 queue,
 			     const struct ieee80211_tx_queue_params *params)
@@ -1360,7 +1366,7 @@ static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
 	struct ath9k_tx_queue_info qi;
 	int ret = 0, qnum;
 
-	if (queue >= WME_NUM_AC)
+	if (queue >= IEEE80211_NUM_ACS)
 		return 0;
 
 	mutex_lock(&priv->mutex);
@@ -1371,7 +1377,7 @@ static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
 	qi.tqi_aifs = params->aifs;
 	qi.tqi_cwmin = params->cw_min;
 	qi.tqi_cwmax = params->cw_max;
-	qi.tqi_burstTime = params->txop;
+	qi.tqi_burstTime = params->txop * 32;
 
 	qnum = get_hw_qnum(queue, priv->hwq_map);
 
@@ -1387,7 +1393,7 @@ static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
 	}
 
 	if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) &&
-	    (qnum == priv->hwq_map[WME_AC_BE]))
+	    (qnum == priv->hwq_map[IEEE80211_AC_BE]))
 		    ath9k_htc_beaconq_config(priv);
 out:
 	ath9k_htc_ps_restore(priv);
@@ -1409,6 +1415,21 @@ static int ath9k_htc_set_key(struct ieee80211_hw *hw,
 	if (htc_modparam_nohwcrypt)
 		return -ENOSPC;
 
+	if ((vif->type == NL80211_IFTYPE_ADHOC ||
+	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
+	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
+	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
+	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+		/*
+		 * For now, disable hw crypto for the RSN IBSS group keys. This
+		 * could be optimized in the future to use a modified key cache
+		 * design to support per-STA RX GTK, but until that gets
+		 * implemented, use of software crypto for group addressed
+		 * frames is a acceptable to allow RSN IBSS to be used.
+		 */
+		return -EOPNOTSUPP;
+	}
+
 	mutex_lock(&priv->mutex);
 	ath_dbg(common, CONFIG, "Set HW Key\n");
 	ath9k_htc_ps_wakeup(priv);
@@ -1424,7 +1445,7 @@ static int ath9k_htc_set_key(struct ieee80211_hw *hw,
 				key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
 			if (priv->ah->sw_mgmt_crypto &&
 			    key->cipher == WLAN_CIPHER_SUITE_CCMP)
-				key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
+				key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
 			ret = 0;
 		}
 		break;
@@ -1458,15 +1479,18 @@ static void ath9k_htc_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 
 	if ((vif->type == NL80211_IFTYPE_STATION) && bss_conf->assoc) {
 		common->curaid = bss_conf->aid;
+		common->last_rssi = ATH_RSSI_DUMMY_MARKER;
 		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
+		set_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
 	}
 }
 
 static void ath9k_htc_choose_set_bssid(struct ath9k_htc_priv *priv)
 {
 	if (priv->num_sta_assoc_vif == 1) {
-		ieee80211_iterate_active_interfaces_atomic(priv->hw,
-							   ath9k_htc_bss_iter, priv);
+		ieee80211_iterate_active_interfaces_atomic(
+			priv->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+			ath9k_htc_bss_iter, priv);
 		ath9k_htc_set_bssid(priv);
 	}
 }
@@ -1479,6 +1503,7 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
 	struct ath9k_htc_priv *priv = hw->priv;
 	struct ath_hw *ah = priv->ah;
 	struct ath_common *common = ath9k_hw_common(ah);
+	int slottime;
 
 	mutex_lock(&priv->mutex);
 	ath9k_htc_ps_wakeup(priv);
@@ -1490,7 +1515,11 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
 		bss_conf->assoc ?
 			priv->num_sta_assoc_vif++ : priv->num_sta_assoc_vif--;
 
+		if (!bss_conf->assoc)
+			clear_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
+
 		if (priv->ah->opmode == NL80211_IFTYPE_STATION) {
+			ath9k_htc_choose_set_bssid(priv);
 			if (bss_conf->assoc && (priv->num_sta_assoc_vif == 1))
 				ath9k_htc_start_ani(priv);
 			else if (priv->num_sta_assoc_vif == 0)
@@ -1498,13 +1527,11 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
 		}
 	}
 
-	if (changed & BSS_CHANGED_BSSID) {
+	if (changed & BSS_CHANGED_IBSS) {
 		if (priv->ah->opmode == NL80211_IFTYPE_ADHOC) {
 			common->curaid = bss_conf->aid;
 			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
 			ath9k_htc_set_bssid(priv);
-		} else if (priv->ah->opmode == NL80211_IFTYPE_STATION) {
-			ath9k_htc_choose_set_bssid(priv);
 		}
 	}
 
@@ -1512,33 +1539,37 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
 		ath_dbg(common, CONFIG, "Beacon enabled for BSS: %pM\n",
 			bss_conf->bssid);
 		ath9k_htc_set_tsfadjust(priv, vif);
-		priv->op_flags |= OP_ENABLE_BEACON;
+		priv->cur_beacon_conf.enable_beacon = 1;
 		ath9k_htc_beacon_config(priv, vif);
 	}
 
 	if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) {
 		/*
 		 * Disable SWBA interrupt only if there are no
-		 * AP/IBSS interfaces.
+		 * concurrent AP/mesh or IBSS interfaces.
 		 */
-		if ((priv->num_ap_vif <= 1) || priv->num_ibss_vif) {
+		if ((priv->num_ap_vif + priv->num_mbss_vif <= 1) ||
+		     priv->num_ibss_vif) {
 			ath_dbg(common, CONFIG,
 				"Beacon disabled for BSS: %pM\n",
 				bss_conf->bssid);
-			priv->op_flags &= ~OP_ENABLE_BEACON;
+			priv->cur_beacon_conf.enable_beacon = 0;
 			ath9k_htc_beacon_config(priv, vif);
 		}
 	}
 
 	if (changed & BSS_CHANGED_BEACON_INT) {
 		/*
-		 * Reset the HW TSF for the first AP interface.
+		 * Reset the HW TSF for the first AP or mesh interface.
 		 */
-		if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
-		    (priv->nvifs == 1) &&
-		    (priv->num_ap_vif == 1) &&
-		    (vif->type == NL80211_IFTYPE_AP)) {
-			priv->op_flags |= OP_TSF_RESET;
+		if (priv->nvifs == 1 &&
+		    ((priv->ah->opmode == NL80211_IFTYPE_AP &&
+		      vif->type == NL80211_IFTYPE_AP &&
+		      priv->num_ap_vif == 1) ||
+		    (priv->ah->opmode == NL80211_IFTYPE_MESH_POINT &&
+		      vif->type == NL80211_IFTYPE_MESH_POINT &&
+		      priv->num_mbss_vif == 1))) {
+			set_bit(OP_TSF_RESET, &priv->op_flags);
 		}
 		ath_dbg(common, CONFIG,
 			"Beacon interval changed for BSS: %pM\n",
@@ -1548,11 +1579,21 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changed & BSS_CHANGED_ERP_SLOT) {
 		if (bss_conf->use_short_slot)
-			ah->slottime = 9;
+			slottime = 9;
 		else
-			ah->slottime = 20;
-
-		ath9k_hw_init_global_settings(ah);
+			slottime = 20;
+		if (vif->type == NL80211_IFTYPE_AP) {
+			/*
+			 * Defer update, so that connected stations can adjust
+			 * their settings at the same time.
+			 * See beacon.c for more details
+			 */
+			priv->beacon.slottime = slottime;
+			priv->beacon.updateslot = UPDATE;
+		} else {
+			ah->slottime = slottime;
+			ath9k_hw_init_global_settings(ah);
+		}
 	}
 
 	if (changed & BSS_CHANGED_HT)
@@ -1624,7 +1665,9 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
 		if (!ret)
 			ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
-	case IEEE80211_AMPDU_TX_STOP:
+	case IEEE80211_AMPDU_TX_STOP_CONT:
+	case IEEE80211_AMPDU_TX_STOP_FLUSH:
+	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 		ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid);
 		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
@@ -1647,10 +1690,11 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
 static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
 {
 	struct ath9k_htc_priv *priv = hw->priv;
+	struct ath_common *common = ath9k_hw_common(priv->ah);
 
 	mutex_lock(&priv->mutex);
 	spin_lock_bh(&priv->beacon_lock);
-	priv->op_flags |= OP_SCANNING;
+	set_bit(ATH_OP_SCANNING, &common->op_flags);
 	spin_unlock_bh(&priv->beacon_lock);
 	cancel_work_sync(&priv->ps_work);
 	ath9k_htc_stop_ani(priv);
@@ -1660,10 +1704,11 @@ static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
 static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
 {
 	struct ath9k_htc_priv *priv = hw->priv;
+	struct ath_common *common = ath9k_hw_common(priv->ah);
 
 	mutex_lock(&priv->mutex);
 	spin_lock_bh(&priv->beacon_lock);
-	priv->op_flags &= ~OP_SCANNING;
+	clear_bit(ATH_OP_SCANNING, &common->op_flags);
 	spin_unlock_bh(&priv->beacon_lock);
 	ath9k_htc_ps_wakeup(priv);
 	ath9k_htc_vif_reconfig(priv);
@@ -1753,6 +1798,43 @@ static int ath9k_htc_get_stats(struct ieee80211_hw *hw,
 	return 0;
 }
 
+struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv)
+{
+	struct base_eep_header *pBase = NULL;
+	/*
+	 * This can be done since all the 3 EEPROM families have the
+	 * same base header upto a certain point, and we are interested in
+	 * the data only upto that point.
+	 */
+
+	if (AR_SREV_9271(priv->ah))
+		pBase = (struct base_eep_header *)
+			&priv->ah->eeprom.map4k.baseEepHeader;
+	else if (priv->ah->hw_version.usbdev == AR9280_USB)
+		pBase = (struct base_eep_header *)
+			&priv->ah->eeprom.def.baseEepHeader;
+	else if (priv->ah->hw_version.usbdev == AR9287_USB)
+		pBase = (struct base_eep_header *)
+			&priv->ah->eeprom.map9287.baseEepHeader;
+	return pBase;
+}
+
+
+static int ath9k_htc_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant,
+				 u32 *rx_ant)
+{
+	struct ath9k_htc_priv *priv = hw->priv;
+	struct base_eep_header *pBase = ath9k_htc_get_eeprom_base(priv);
+	if (pBase) {
+		*tx_ant = pBase->txMask;
+		*rx_ant = pBase->rxMask;
+	} else {
+		*tx_ant = 0;
+		*rx_ant = 0;
+	}
+	return 0;
+}
+
 struct ieee80211_ops ath9k_htc_ops = {
 	.tx                 = ath9k_htc_tx,
 	.start              = ath9k_htc_start,
@@ -1764,6 +1846,7 @@ struct ieee80211_ops ath9k_htc_ops = {
 	.sta_add            = ath9k_htc_sta_add,
 	.sta_remove         = ath9k_htc_sta_remove,
 	.conf_tx            = ath9k_htc_conf_tx,
+	.sta_rc_update      = ath9k_htc_sta_rc_update,
 	.bss_info_changed   = ath9k_htc_bss_info_changed,
 	.set_key            = ath9k_htc_set_key,
 	.get_tsf            = ath9k_htc_get_tsf,
@@ -1777,4 +1860,11 @@ struct ieee80211_ops ath9k_htc_ops = {
 	.set_coverage_class = ath9k_htc_set_coverage_class,
 	.set_bitrate_mask   = ath9k_htc_set_bitrate_mask,
 	.get_stats	    = ath9k_htc_get_stats,
+	.get_antenna	    = ath9k_htc_get_antenna,
+
+#ifdef CONFIG_ATH9K_HTC_DEBUGFS
+	.get_et_sset_count  = ath9k_htc_get_et_sset_count,
+	.get_et_stats       = ath9k_htc_get_et_stats,
+	.get_et_strings     = ath9k_htc_get_et_strings,
+#endif
 };