openwrt/package/mac80211/patches/300-pending_work.patch

--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -27,7 +27,7 @@
 #define WME_MAX_BA              WME_BA_BMP_SIZE
 #define ATH_TID_MAX_BUFS        (2 * WME_MAX_BA)
 
-#define ATH_RSSI_DUMMY_MARKER   0x127
+#define ATH_RSSI_DUMMY_MARKER   127
 #define ATH_RSSI_LPF_LEN 		10
 #define RSSI_LPF_THRESHOLD		-20
 #define ATH_RSSI_EP_MULTIPLIER     (1<<7)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -1067,15 +1067,19 @@ static bool ath9k_rx_prepare(struct ath9
 
 	last_rssi = priv->rx.last_rssi;
 
-	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
-		rxbuf->rxstatus.rs_rssi = ATH_EP_RND(last_rssi,
-						     ATH_RSSI_EP_MULTIPLIER);
+	if (ieee80211_is_beacon(hdr->frame_control) &&
+	    !is_zero_ether_addr(common->curbssid) &&
+	    ether_addr_equal(hdr->addr3, common->curbssid)) {
+		s8 rssi = rxbuf->rxstatus.rs_rssi;
 
-	if (rxbuf->rxstatus.rs_rssi < 0)
-		rxbuf->rxstatus.rs_rssi = 0;
+		if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
+			rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
 
-	if (ieee80211_is_beacon(fc))
-		priv->ah->stats.avgbrssi = rxbuf->rxstatus.rs_rssi;
+		if (rssi < 0)
+			rssi = 0;
+
+		priv->ah->stats.avgbrssi = rssi;
+	}
 
 	rx_status->mactime = be64_to_cpu(rxbuf->rxstatus.rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -185,7 +185,7 @@ struct ieee80211_hdr {
 	u8 addr3[6];
 	__le16 seq_ctrl;
 	u8 addr4[6];
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_hdr_3addr {
 	__le16 frame_control;
@@ -194,7 +194,7 @@ struct ieee80211_hdr_3addr {
 	u8 addr2[6];
 	u8 addr3[6];
 	__le16 seq_ctrl;
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_qos_hdr {
 	__le16 frame_control;
@@ -204,7 +204,7 @@ struct ieee80211_qos_hdr {
 	u8 addr3[6];
 	__le16 seq_ctrl;
 	__le16 qos_ctrl;
-} __packed;
+} __packed __aligned(2);
 
 /**
  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
@@ -581,7 +581,7 @@ struct ieee80211s_hdr {
 	__le32 seqnum;
 	u8 eaddr1[6];
 	u8 eaddr2[6];
-} __packed;
+} __packed __aligned(2);
 
 /* Mesh flags */
 #define MESH_FLAGS_AE_A4 	0x1
@@ -875,7 +875,7 @@ struct ieee80211_mgmt {
 			} u;
 		} __packed action;
 	} u;
-} __packed;
+} __packed __aligned(2);
 
 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127
@@ -906,20 +906,20 @@ struct ieee80211_rts {
 	__le16 duration;
 	u8 ra[6];
 	u8 ta[6];
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_cts {
 	__le16 frame_control;
 	__le16 duration;
 	u8 ra[6];
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_pspoll {
 	__le16 frame_control;
 	__le16 aid;
 	u8 bssid[6];
 	u8 ta[6];
-} __packed;
+} __packed __aligned(2);
 
 /* TDLS */
 
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -204,6 +204,8 @@ static void ieee80211_send_addba_resp(st
 		memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
 	else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
 		memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
+	else if (sdata->vif.type == NL80211_IFTYPE_WDS)
+		memcpy(mgmt->bssid, da, ETH_ALEN);
 
 	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 					  IEEE80211_STYPE_ACTION);
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
 	memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
 	if (sdata->vif.type == NL80211_IFTYPE_AP ||
 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
-	    sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
+	    sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
+	    sdata->vif.type == NL80211_IFTYPE_WDS)
 		memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
 	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
 		memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
@@ -527,6 +528,7 @@ int ieee80211_start_tx_ba_session(struct
 	    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 	    sdata->vif.type != NL80211_IFTYPE_AP &&
+	    sdata->vif.type != NL80211_IFTYPE_WDS &&
 	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
 		return -EINVAL;
 
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -65,11 +65,11 @@ static ssize_t sta_flags_read(struct fil
 	test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
 
 	int res = scnprintf(buf, sizeof(buf),
-			    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+			    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
 			    TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
 			    TEST(PS_DRIVER), TEST(AUTHORIZED),
 			    TEST(SHORT_PREAMBLE),
-			    TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
+			    TEST(WME), TEST(CLEAR_PS_FILT),
 			    TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
 			    TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
 			    TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -78,7 +78,7 @@ void ieee80211_recalc_txpower(struct iee
 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
 }
 
-static u32 ieee80211_idle_off(struct ieee80211_local *local)
+u32 ieee80211_idle_off(struct ieee80211_local *local)
 {
 	if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
 		return 0;
@@ -107,7 +107,7 @@ void ieee80211_recalc_idle(struct ieee80
 
 	lockdep_assert_held(&local->mtx);
 
-	active = !list_empty(&local->chanctx_list);
+	active = !list_empty(&local->chanctx_list) || local->monitors;
 
 	if (!local->ops->remain_on_channel) {
 		list_for_each_entry(roc, &local->roc_list, list) {
@@ -436,7 +436,6 @@ int ieee80211_do_open(struct wireless_de
 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 	struct net_device *dev = wdev->netdev;
 	struct ieee80211_local *local = sdata->local;
-	struct sta_info *sta;
 	u32 changed = 0;
 	int res;
 	u32 hw_reconf_flags = 0;
@@ -541,6 +540,9 @@ int ieee80211_do_open(struct wireless_de
 
 		ieee80211_adjust_monitor_flags(sdata, 1);
 		ieee80211_configure_filter(local);
+		mutex_lock(&local->mtx);
+		ieee80211_recalc_idle(local);
+		mutex_unlock(&local->mtx);
 
 		netif_carrier_on(dev);
 		break;
@@ -595,30 +597,8 @@ int ieee80211_do_open(struct wireless_de
 
 	set_bit(SDATA_STATE_RUNNING, &sdata->state);
 
-	if (sdata->vif.type == NL80211_IFTYPE_WDS) {
-		/* Create STA entry for the WDS peer */
-		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
-				     GFP_KERNEL);
-		if (!sta) {
-			res = -ENOMEM;
-			goto err_del_interface;
-		}
-
-		sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
-		sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
-		sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
-
-		res = sta_info_insert(sta);
-		if (res) {
-			/* STA has been freed */
-			goto err_del_interface;
-		}
-
-		rate_control_rate_init(sta);
-		netif_carrier_on(dev);
-	} else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
+	if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
 		rcu_assign_pointer(local->p2p_sdata, sdata);
-	}
 
 	/*
 	 * set_multicast_list will be invoked by the networking core
@@ -817,6 +797,9 @@ static void ieee80211_do_stop(struct iee
 
 		ieee80211_adjust_monitor_flags(sdata, -1);
 		ieee80211_configure_filter(local);
+		mutex_lock(&local->mtx);
+		ieee80211_recalc_idle(local);
+		mutex_unlock(&local->mtx);
 		break;
 	case NL80211_IFTYPE_P2P_DEVICE:
 		/* relies on synchronize_rcu() below */
@@ -1022,6 +1005,72 @@ static void ieee80211_if_setup(struct ne
 	dev->destructor = free_netdev;
 }
 
+static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+					 struct sk_buff *skb)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_rx_status *rx_status;
+	struct ieee802_11_elems elems;
+	struct ieee80211_mgmt *mgmt;
+	struct sta_info *sta;
+	size_t baselen;
+	u32 rates = 0;
+	u16 stype;
+	bool new = false;
+	enum ieee80211_band band = local->hw.conf.channel->band;
+	struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+
+	rx_status = IEEE80211_SKB_RXCB(skb);
+	mgmt = (struct ieee80211_mgmt *) skb->data;
+	stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+
+	if (stype != IEEE80211_STYPE_BEACON)
+		return;
+
+	baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+	if (baselen > skb->len)
+		return;
+
+	ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
+			       skb->len - baselen, &elems);
+
+	rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
+
+	rcu_read_lock();
+
+	sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
+
+	if (!sta) {
+		rcu_read_unlock();
+		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+				     GFP_KERNEL);
+		if (!sta)
+			return;
+
+		new = true;
+	}
+
+	sta->last_rx = jiffies;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+
+	if (elems.ht_cap_elem)
+		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
+				elems.ht_cap_elem, sta);
+
+	if (elems.wmm_param)
+		set_sta_flag(sta, WLAN_STA_WME);
+
+	if (new) {
+		sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+		sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+		sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
+		rate_control_rate_init(sta);
+		sta_info_insert_rcu(sta);
+	}
+
+	rcu_read_unlock();
+}
+
 static void ieee80211_iface_work(struct work_struct *work)
 {
 	struct ieee80211_sub_if_data *sdata =
@@ -1126,6 +1175,9 @@ static void ieee80211_iface_work(struct 
 				break;
 			ieee80211_mesh_rx_queued_mgmt(sdata, skb);
 			break;
+		case NL80211_IFTYPE_WDS:
+			ieee80211_wds_rx_queued_mgmt(sdata, skb);
+			break;
 		default:
 			WARN(1, "frame for unexpected interface type");
 			break;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2365,6 +2365,7 @@ ieee80211_rx_h_action(struct ieee80211_r
 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 		    sdata->vif.type != NL80211_IFTYPE_AP &&
+		    sdata->vif.type != NL80211_IFTYPE_WDS &&
 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)
 			break;
 
@@ -2692,14 +2693,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
 
 	if (!ieee80211_vif_is_mesh(&sdata->vif) &&
 	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&
-	    sdata->vif.type != NL80211_IFTYPE_STATION)
+	    sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_WDS)
 		return RX_DROP_MONITOR;
 
 	switch (stype) {
 	case cpu_to_le16(IEEE80211_STYPE_AUTH):
 	case cpu_to_le16(IEEE80211_STYPE_BEACON):
 	case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
-		/* process for all: mesh, mlme, ibss */
+		/* process for all: mesh, mlme, ibss, wds */
 		break;
 	case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
 	case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
@@ -3028,10 +3030,16 @@ static int prepare_for_handlers(struct i
 		}
 		break;
 	case NL80211_IFTYPE_WDS:
-		if (bssid || !ieee80211_is_data(hdr->frame_control))
-			return 0;
 		if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
 			return 0;
+
+		if (ieee80211_is_data(hdr->frame_control) ||
+		    ieee80211_is_action(hdr->frame_control)) {
+			if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
+				return 0;
+		} else if (!ieee80211_is_beacon(hdr->frame_control))
+			return 0;
+
 		break;
 	case NL80211_IFTYPE_P2P_DEVICE:
 		if (!ieee80211_is_public_action(hdr, skb->len) &&
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -32,7 +32,6 @@
  * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
  *	frames.
  * @WLAN_STA_WME: Station is a QoS-STA.
- * @WLAN_STA_WDS: Station is one of our WDS peers.
  * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
  *	IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
  *	frame to this station is transmitted.
@@ -66,7 +65,6 @@ enum ieee80211_sta_info_flags {
 	WLAN_STA_AUTHORIZED,
 	WLAN_STA_SHORT_PREAMBLE,
 	WLAN_STA_WME,
-	WLAN_STA_WDS,
 	WLAN_STA_CLEAR_PS_FILT,
 	WLAN_STA_MFP,
 	WLAN_STA_BLOCK_BA,
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1231,34 +1231,40 @@ static bool ieee80211_tx_frags(struct ie
 		if (local->queue_stop_reasons[q] ||
 		    (!txpending && !skb_queue_empty(&local->pending[q]))) {
 			if (unlikely(info->flags &
-					IEEE80211_TX_INTFL_OFFCHAN_TX_OK &&
-				     local->queue_stop_reasons[q] &
-					~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL))) {
+				     IEEE80211_TX_INTFL_OFFCHAN_TX_OK)) {
+				if (local->queue_stop_reasons[q] &
+				    ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL)) {
+					/*
+					 * Drop off-channel frames if queues
+					 * are stopped for any reason other
+					 * than off-channel operation. Never
+					 * queue them.
+					 */
+					spin_unlock_irqrestore(
+						&local->queue_stop_reason_lock,
+						flags);
+					ieee80211_purge_tx_queue(&local->hw,
+								 skbs);
+					return true;
+				}
+			} else {
+
 				/*
-				 * Drop off-channel frames if queues are stopped
-				 * for any reason other than off-channel
-				 * operation. Never queue them.
+				 * Since queue is stopped, queue up frames for
+				 * later transmission from the tx-pending
+				 * tasklet when the queue is woken again.
 				 */
-				spin_unlock_irqrestore(
-					&local->queue_stop_reason_lock, flags);
-				ieee80211_purge_tx_queue(&local->hw, skbs);
-				return true;
+				if (txpending)
+					skb_queue_splice_init(skbs,
+							      &local->pending[q]);
+				else
+					skb_queue_splice_tail_init(skbs,
+								   &local->pending[q]);
+
+				spin_unlock_irqrestore(&local->queue_stop_reason_lock,
+						       flags);
+				return false;
 			}
-
-			/*
-			 * Since queue is stopped, queue up frames for later
-			 * transmission from the tx-pending tasklet when the
-			 * queue is woken again.
-			 */
-			if (txpending)
-				skb_queue_splice_init(skbs, &local->pending[q]);
-			else
-				skb_queue_splice_tail_init(skbs,
-							   &local->pending[q]);
-
-			spin_unlock_irqrestore(&local->queue_stop_reason_lock,
-					       flags);
-			return false;
 		}
 		spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
 
@@ -1848,9 +1854,24 @@ netdev_tx_t ieee80211_subif_start_xmit(s
 		}
 
 		if (!is_multicast_ether_addr(skb->data)) {
+			struct sta_info *next_hop;
+			bool mpp_lookup = true;
+
 			mpath = mesh_path_lookup(sdata, skb->data);
-			if (!mpath)
+			if (mpath) {
+				mpp_lookup = false;
+				next_hop = rcu_dereference(mpath->next_hop);
+				if (!next_hop ||
+				    !(mpath->flags & (MESH_PATH_ACTIVE |
+						      MESH_PATH_RESOLVING)))
+					mpp_lookup = true;
+			}
+
+			if (mpp_lookup)
 				mppath = mpp_path_lookup(sdata, skb->data);
+
+			if (mppath && mpath)
+				mesh_path_del(mpath->sdata, mpath->dst);
 		}
 
 		/*
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -554,16 +554,9 @@ static int nl80211_msg_put_channel(struc
 	if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
 	    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
 		goto nla_put_failure;
-	if (chan->flags & IEEE80211_CHAN_RADAR) {
-		u32 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
-		if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
-			goto nla_put_failure;
-		if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
-				chan->dfs_state))
-			goto nla_put_failure;
-		if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, time))
-			goto nla_put_failure;
-	}
+	if ((chan->flags & IEEE80211_CHAN_RADAR) &&
+	    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
+		goto nla_put_failure;
 	if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
 	    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
 		goto nla_put_failure;
@@ -900,9 +893,6 @@ static int nl80211_put_iface_combination
 		    nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
 				c->max_interfaces))
 			goto nla_put_failure;
-		if (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
-				c->radar_detect_widths))
-			goto nla_put_failure;
 
 		nla_nest_end(msg, nl_combi);
 	}
@@ -914,48 +904,6 @@ nla_put_failure:
 	return -ENOBUFS;
 }
 
-#ifdef CONFIG_PM
-static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
-					struct sk_buff *msg)
-{
-	const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp;
-	struct nlattr *nl_tcp;
-
-	if (!tcp)
-		return 0;
-
-	nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
-	if (!nl_tcp)
-		return -ENOBUFS;
-
-	if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
-			tcp->data_payload_max))
-		return -ENOBUFS;
-
-	if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
-			tcp->data_payload_max))
-		return -ENOBUFS;
-
-	if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
-		return -ENOBUFS;
-
-	if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
-				sizeof(*tcp->tok), tcp->tok))
-		return -ENOBUFS;
-
-	if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
-			tcp->data_interval_max))
-		return -ENOBUFS;
-
-	if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
-			tcp->wake_payload_max))
-		return -ENOBUFS;
-
-	nla_nest_end(msg, nl_tcp);
-	return 0;
-}
-#endif
-
 static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags,
 			      struct cfg80211_registered_device *dev)
 {
@@ -1330,9 +1278,6 @@ static int nl80211_send_wiphy(struct sk_
 				goto nla_put_failure;
 		}
 
-		if (nl80211_send_wowlan_tcp_caps(dev, msg))
-			goto nla_put_failure;
-
 		nla_nest_end(msg, nl_wowlan);
 	}
 #endif
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3285,13 +3285,19 @@ static int ieee80211_cfg_get_channel(str
 				     struct cfg80211_chan_def *chandef)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_chanctx_conf *chanctx_conf;
 	int ret = -ENODATA;
 
 	rcu_read_lock();
-	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
-	if (chanctx_conf) {
-		*chandef = chanctx_conf->def;
+	if (local->use_chanctx) {
+		chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+		if (chanctx_conf) {
+			*chandef = chanctx_conf->def;
+			ret = 0;
+		}
+	} else if (local->open_count == local->monitors) {
+		*chandef = local->monitor_chandef;
 		ret = 0;
 	}
 	rcu_read_unlock();
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1463,7 +1463,9 @@ static bool ath9k_hw_chip_reset(struct a
 			reset_type = ATH9K_RESET_POWER_ON;
 		else
 			reset_type = ATH9K_RESET_COLD;
-	}
+	} else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) ||
+		   (REG_READ(ah, AR_CR) & AR_CR_RXE))
+		reset_type = ATH9K_RESET_COLD;
 
 	if (!ath9k_hw_set_reset_reg(ah, reset_type))
 		return false;
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1236,8 +1236,10 @@ static inline void rt2x00lib_set_if_comb
 	 */
 	if_limit = &rt2x00dev->if_limits_ap;
 	if_limit->max = rt2x00dev->ops->max_ap_intf;
-	if_limit->types = BIT(NL80211_IFTYPE_AP) |
-			BIT(NL80211_IFTYPE_MESH_POINT);
+	if_limit->types = BIT(NL80211_IFTYPE_AP);
+#ifdef CONFIG_MAC80211_MESH
+	if_limit->types |= BIT(NL80211_IFTYPE_MESH_POINT);
+#endif
 
 	/*
 	 * Build up AP interface combinations structure.
@@ -1309,7 +1311,9 @@ int rt2x00lib_probe_dev(struct rt2x00_de
 		rt2x00dev->hw->wiphy->interface_modes |=
 		    BIT(NL80211_IFTYPE_ADHOC) |
 		    BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
 		    BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
 		    BIT(NL80211_IFTYPE_WDS);
 
 	rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -26,11 +26,11 @@
 /* Number of symbols for a packet with (bps) bits per symbol */
 #define MCS_NSYMS(bps) ((MCS_NBITS + (bps) - 1) / (bps))
 
-/* Transmission time for a packet containing (syms) symbols */
+/* Transmission time (nanoseconds) for a packet containing (syms) symbols */
 #define MCS_SYMBOL_TIME(sgi, syms)					\
 	(sgi ?								\
-	  ((syms) * 18 + 4) / 5 :	/* syms * 3.6 us */		\
-	  (syms) << 2			/* syms * 4 us */		\
+	  ((syms) * 18000 + 4000) / 5 :	/* syms * 3.6 us */		\
+	  ((syms) * 1000) << 2		/* syms * 4 us */		\
 	)
 
 /* Transmit duration for the raw data part of an average sized packet */
@@ -64,9 +64,9 @@
 }
 
 #define CCK_DURATION(_bitrate, _short, _len)		\
-	(10 /* SIFS */ +				\
+	(1000 * (10 /* SIFS */ +			\
 	 (_short ? 72 + 24 : 144 + 48 ) +		\
-	 (8 * (_len + 4) * 10) / (_bitrate))
+	 (8 * (_len + 4) * 10) / (_bitrate)))
 
 #define CCK_ACK_DURATION(_bitrate, _short)			\
 	(CCK_DURATION((_bitrate > 10 ? 20 : 10), false, 60) +	\
@@ -211,20 +211,32 @@ static void
 minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
 {
 	struct minstrel_rate_stats *mr;
-	unsigned int usecs = 0;
+	unsigned int nsecs = 0;
+	unsigned int tp;
+	unsigned int prob;
 
 	mr = &mi->groups[group].rates[rate];
+	prob = mr->probability;
 
-	if (mr->probability < MINSTREL_FRAC(1, 10)) {
+	if (prob < MINSTREL_FRAC(1, 10)) {
 		mr->cur_tp = 0;
 		return;
 	}
 
+	/*
+	 * For the throughput calculation, limit the probability value to 90% to
+	 * account for collision related packet error rate fluctuation
+	 */
+	if (prob > MINSTREL_FRAC(9, 10))
+		prob = MINSTREL_FRAC(9, 10);
+
 	if (group != MINSTREL_CCK_GROUP)
-		usecs = mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
+		nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
 
-	usecs += minstrel_mcs_groups[group].duration[rate];
-	mr->cur_tp = MINSTREL_TRUNC((1000000 / usecs) * mr->probability);
+	nsecs += minstrel_mcs_groups[group].duration[rate];
+	tp = 1000000 * ((mr->probability * 1000) / nsecs);
+
+	mr->cur_tp = MINSTREL_TRUNC(tp);
 }
 
 /*
@@ -308,8 +320,8 @@ minstrel_ht_update_stats(struct minstrel
 		}
 	}
 
-	/* try to sample up to half of the available rates during each interval */
-	mi->sample_count *= 4;
+	/* try to sample all available rates during each interval */
+	mi->sample_count *= 8;
 
 	cur_prob = 0;
 	cur_prob_tp = 0;
@@ -320,20 +332,13 @@ minstrel_ht_update_stats(struct minstrel
 		if (!mg->supported)
 			continue;
 
-		mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
-		if (cur_prob_tp < mr->cur_tp &&
-		    minstrel_mcs_groups[group].streams == 1) {
-			mi->max_prob_rate = mg->max_prob_rate;
-			cur_prob = mr->cur_prob;
-			cur_prob_tp = mr->cur_tp;
-		}
-
 		mr = minstrel_get_ratestats(mi, mg->max_tp_rate);
 		if (cur_tp < mr->cur_tp) {
 			mi->max_tp_rate2 = mi->max_tp_rate;
 			cur_tp2 = cur_tp;
 			mi->max_tp_rate = mg->max_tp_rate;
 			cur_tp = mr->cur_tp;
+			mi->max_prob_streams = minstrel_mcs_groups[group].streams - 1;
 		}
 
 		mr = minstrel_get_ratestats(mi, mg->max_tp_rate2);
@@ -343,6 +348,23 @@ minstrel_ht_update_stats(struct minstrel
 		}
 	}
 
+	if (mi->max_prob_streams < 1)
+		mi->max_prob_streams = 1;
+
+	for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
+		mg = &mi->groups[group];
+		if (!mg->supported)
+			continue;
+		mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
+		if (cur_prob_tp < mr->cur_tp &&
+		    minstrel_mcs_groups[group].streams <= mi->max_prob_streams) {
+			mi->max_prob_rate = mg->max_prob_rate;
+			cur_prob = mr->cur_prob;
+			cur_prob_tp = mr->cur_tp;
+		}
+	}
+
+
 	mi->stats_update = jiffies;
 }
 
@@ -467,7 +489,7 @@ minstrel_ht_tx_status(void *priv, struct
 
 	if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
 		mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
-		mi->sample_tries = 2;
+		mi->sample_tries = 1;
 		mi->sample_count--;
 	}
 
@@ -536,7 +558,7 @@ minstrel_calc_retransmit(struct minstrel
 	mr->retry_updated = true;
 
 	group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
-	tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len;
+	tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len / 1000;
 
 	/* Contention time for first 2 tries */
 	ctime = (t_slot * cw) >> 1;
@@ -616,6 +638,7 @@ minstrel_get_sample_rate(struct minstrel
 {
 	struct minstrel_rate_stats *mr;
 	struct minstrel_mcs_group_data *mg;
+	unsigned int sample_dur, sample_group;
 	int sample_idx = 0;
 
 	if (mi->sample_wait > 0) {
@@ -626,39 +649,46 @@ minstrel_get_sample_rate(struct minstrel
 	if (!mi->sample_tries)
 		return -1;
 
-	mi->sample_tries--;
 	mg = &mi->groups[mi->sample_group];
 	sample_idx = sample_table[mg->column][mg->index];
 	mr = &mg->rates[sample_idx];
-	sample_idx += mi->sample_group * MCS_GROUP_RATES;
+	sample_group = mi->sample_group;
+	sample_idx += sample_group * MCS_GROUP_RATES;
 	minstrel_next_sample_idx(mi);
 
 	/*
 	 * Sampling might add some overhead (RTS, no aggregation)
 	 * to the frame. Hence, don't use sampling for the currently
-	 * used max TP rate.
+	 * used rates.
 	 */
-	if (sample_idx == mi->max_tp_rate)
+	if (sample_idx == mi->max_tp_rate ||
+	    sample_idx == mi->max_tp_rate2 ||
+	    sample_idx == mi->max_prob_rate)
 		return -1;
+
 	/*
-	 * When not using MRR, do not sample if the probability is already
-	 * higher than 95% to avoid wasting airtime
+	 * Do not sample if the probability is already higher than 95%
+	 * to avoid wasting airtime.
 	 */
-	if (!mp->has_mrr && (mr->probability > MINSTREL_FRAC(95, 100)))
+	if (mr->probability > MINSTREL_FRAC(95, 100))
 		return -1;
 
 	/*
 	 * Make sure that lower rates get sampled only occasionally,
 	 * if the link is working perfectly.
 	 */
-	if (minstrel_get_duration(sample_idx) >
-	    minstrel_get_duration(mi->max_tp_rate)) {
+	sample_dur = minstrel_get_duration(sample_idx);
+	if (sample_dur >= minstrel_get_duration(mi->max_tp_rate2) &&
+	    (mi->max_prob_streams <
+	     minstrel_mcs_groups[sample_group].streams ||
+	     sample_dur >= minstrel_get_duration(mi->max_prob_rate))) {
 		if (mr->sample_skipped < 20)
 			return -1;
 
 		if (mi->sample_slow++ > 2)
 			return -1;
 	}
+	mi->sample_tries--;
 
 	return sample_idx;
 }
--- a/net/mac80211/rc80211_minstrel_ht.h
+++ b/net/mac80211/rc80211_minstrel_ht.h
@@ -85,6 +85,7 @@ struct minstrel_ht_sta {
 
 	/* best probability rate */
 	unsigned int max_prob_rate;
+	unsigned int max_prob_streams;
 
 	/* time of last status update */
 	unsigned long stats_update;
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -1023,6 +1023,7 @@ static bool ar9003_hw_init_cal(struct at
 					  AR_PHY_AGC_CONTROL_FLTR_CAL   |
 					  AR_PHY_AGC_CONTROL_PKDET_CAL;
 
+	/* Use chip chainmask only for calibration */
 	ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
 
 	if (rtt) {
@@ -1150,6 +1151,9 @@ skip_tx_iqcal:
 		ar9003_hw_rtt_disable(ah);
 	}
 
+	/* Revert chainmask to runtime parameters */
+	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
+
 	/* Initialize list pointers */
 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
 
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3606,6 +3606,12 @@ static void ar9003_hw_ant_ctrl_apply(str
 	value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz);
 	REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);
 
+	if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
+		value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz);
+		REG_RMW_FIELD(ah, switch_chain_reg[0],
+			      AR_SWITCH_TABLE_ALL, value);
+	}
+
 	for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
 		if ((ah->rxchainmask & BIT(chain)) ||
 		    (ah->txchainmask & BIT(chain))) {
@@ -3772,6 +3778,17 @@ static void ar9003_hw_atten_apply(struct
 					  AR_PHY_EXT_ATTEN_CTL_2,
 					 };
 
+	if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
+		value = ar9003_hw_atten_chain_get(ah, 1, chan);
+		REG_RMW_FIELD(ah, ext_atten_reg[0],
+			      AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
+
+		value = ar9003_hw_atten_chain_get_margin(ah, 1, chan);
+		REG_RMW_FIELD(ah, ext_atten_reg[0],
+			      AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
+			      value);
+	}
+
 	/* Test value. if 0 then attenuation is unused. Don't load anything. */
 	for (i = 0; i < 3; i++) {
 		if (ah->txchainmask & BIT(i)) {
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -28,21 +28,21 @@ void ath_tx_complete_poll_work(struct wo
 	int i;
 	bool needreset = false;
 
-	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
-		if (ATH_TXQ_SETUP(sc, i)) {
-			txq = &sc->tx.txq[i];
-			ath_txq_lock(sc, txq);
-			if (txq->axq_depth) {
-				if (txq->axq_tx_inprogress) {
-					needreset = true;
-					ath_txq_unlock(sc, txq);
-					break;
-				} else {
-					txq->axq_tx_inprogress = true;
-				}
+	for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+		txq = sc->tx.txq_map[i];
+
+		ath_txq_lock(sc, txq);
+		if (txq->axq_depth) {
+			if (txq->axq_tx_inprogress) {
+				needreset = true;
+				ath_txq_unlock(sc, txq);
+				break;
+			} else {
+				txq->axq_tx_inprogress = true;
 			}
-			ath_txq_unlock_complete(sc, txq);
 		}
+		ath_txq_unlock_complete(sc, txq);
+	}
 
 	if (needreset) {
 		ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -766,6 +766,7 @@ int __must_check __sta_info_destroy(stru
 	struct ieee80211_local *local;
 	struct ieee80211_sub_if_data *sdata;
 	int ret, i;
+	bool have_key = false;
 
 	might_sleep();
 
@@ -793,12 +794,19 @@ int __must_check __sta_info_destroy(stru
 	list_del_rcu(&sta->list);
 
 	mutex_lock(&local->key_mtx);
-	for (i = 0; i < NUM_DEFAULT_KEYS; i++)
+	for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 		__ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]));
-	if (sta->ptk)
+		have_key = true;
+	}
+	if (sta->ptk) {
 		__ieee80211_key_free(key_mtx_dereference(local, sta->ptk));
+		have_key = true;
+	}
 	mutex_unlock(&local->key_mtx);
 
+	if (!have_key)
+		synchronize_net();
+
 	sta->dead = true;
 
 	local->num_sta--;
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -63,6 +63,7 @@ ieee80211_new_chanctx(struct ieee80211_l
 		      enum ieee80211_chanctx_mode mode)
 {
 	struct ieee80211_chanctx *ctx;
+	u32 changed;
 	int err;
 
 	lockdep_assert_held(&local->chanctx_mtx);
@@ -76,6 +77,13 @@ ieee80211_new_chanctx(struct ieee80211_l
 	ctx->conf.rx_chains_dynamic = 1;
 	ctx->mode = mode;
 
+	/* acquire mutex to prevent idle from changing */
+	mutex_lock(&local->mtx);
+	/* turn idle off *before* setting channel -- some drivers need that */
+	changed = ieee80211_idle_off(local);
+	if (changed)
+		ieee80211_hw_config(local, changed);
+
 	if (!local->use_chanctx) {
 		local->_oper_channel_type =
 			cfg80211_get_chandef_type(chandef);
@@ -85,14 +93,17 @@ ieee80211_new_chanctx(struct ieee80211_l
 		err = drv_add_chanctx(local, ctx);
 		if (err) {
 			kfree(ctx);
-			return ERR_PTR(err);
+			ctx = ERR_PTR(err);
+
+			ieee80211_recalc_idle(local);
+			goto out;
 		}
 	}
 
+	/* and keep the mutex held until the new chanctx is on the list */
 	list_add_rcu(&ctx->list, &local->chanctx_list);
 
-	mutex_lock(&local->mtx);
-	ieee80211_recalc_idle(local);
+ out:
 	mutex_unlock(&local->mtx);
 
 	return ctx;
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1366,6 +1366,7 @@ int ieee80211_if_change_type(struct ieee
 			     enum nl80211_iftype type);
 void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
 void ieee80211_remove_interfaces(struct ieee80211_local *local);
+u32 ieee80211_idle_off(struct ieee80211_local *local);
 void ieee80211_recalc_idle(struct ieee80211_local *local);
 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
 				    const int offset);