diff --git a/[refs] b/[refs]
index d157ee1547e2..29d947cb9036 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cb601ffa326bc5c74a6ecd8e72ae9631e5f12f75
+refs/heads/master: 8a964f44e01ad3bbc208c3e80d931ba91b9ea786
diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/trunk/drivers/net/wireless/iwlwifi/iwl-devtrace.h
index 9a0f45ec9e01..10f01793d7a6 100644
--- a/trunk/drivers/net/wireless/iwlwifi/iwl-devtrace.h
+++ b/trunk/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -349,25 +349,23 @@ TRACE_EVENT(iwlwifi_dev_rx_data,
 TRACE_EVENT(iwlwifi_dev_hcmd,
 	TP_PROTO(const struct device *dev,
 		 struct iwl_host_cmd *cmd, u16 total_size,
-		 const void *hdr, size_t hdr_len),
-	TP_ARGS(dev, cmd, total_size, hdr, hdr_len),
+		 struct iwl_cmd_header *hdr),
+	TP_ARGS(dev, cmd, total_size, hdr),
 	TP_STRUCT__entry(
 		DEV_ENTRY
 		__dynamic_array(u8, hcmd, total_size)
 		__field(u32, flags)
 	),
 	TP_fast_assign(
-		int i, offset = hdr_len;
+		int i, offset = sizeof(*hdr);
 
 		DEV_ASSIGN;
 		__entry->flags = cmd->flags;
-		memcpy(__get_dynamic_array(hcmd), hdr, hdr_len);
+		memcpy(__get_dynamic_array(hcmd), hdr, sizeof(*hdr));
 
 		for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
 			if (!cmd->len[i])
 				continue;
-			if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY))
-				continue;
 			memcpy((u8 *)__get_dynamic_array(hcmd) + offset,
 			       cmd->data[i], cmd->len[i]);
 			offset += cmd->len[i];
diff --git a/trunk/drivers/net/wireless/iwlwifi/pcie/internal.h b/trunk/drivers/net/wireless/iwlwifi/pcie/internal.h
index aa2a39a637dd..3d62e8055352 100644
--- a/trunk/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/trunk/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -182,6 +182,15 @@ struct iwl_queue {
 #define TFD_TX_CMD_SLOTS 256
 #define TFD_CMD_SLOTS 32
 
+/*
+ * The FH will write back to the first TB only, so we need
+ * to copy some data into the buffer regardless of whether
+ * it should be mapped or not. This indicates how much to
+ * copy, even for HCMDs it must be big enough to fit the
+ * DRAM scratch from the TX cmd, at least 16 bytes.
+ */
+#define IWL_HCMD_MIN_COPY_SIZE	16
+
 struct iwl_pcie_txq_entry {
 	struct iwl_device_cmd *cmd;
 	struct iwl_device_cmd *copy_cmd;
diff --git a/trunk/drivers/net/wireless/iwlwifi/pcie/tx.c b/trunk/drivers/net/wireless/iwlwifi/pcie/tx.c
index 8e9e3212fe78..8b625a7f5685 100644
--- a/trunk/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/trunk/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1152,10 +1152,12 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 	void *dup_buf = NULL;
 	dma_addr_t phys_addr;
 	int idx;
-	u16 copy_size, cmd_size;
+	u16 copy_size, cmd_size, dma_size;
 	bool had_nocopy = false;
 	int i;
 	u32 cmd_pos;
+	const u8 *cmddata[IWL_MAX_CMD_TFDS];
+	u16 cmdlen[IWL_MAX_CMD_TFDS];
 
 	copy_size = sizeof(out_cmd->hdr);
 	cmd_size = sizeof(out_cmd->hdr);
@@ -1164,8 +1166,23 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 	BUILD_BUG_ON(IWL_MAX_CMD_TFDS > IWL_NUM_OF_TBS - 1);
 
 	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
+		cmddata[i] = cmd->data[i];
+		cmdlen[i] = cmd->len[i];
+
 		if (!cmd->len[i])
 			continue;
+
+		/* need at least IWL_HCMD_MIN_COPY_SIZE copied */
+		if (copy_size < IWL_HCMD_MIN_COPY_SIZE) {
+			int copy = IWL_HCMD_MIN_COPY_SIZE - copy_size;
+
+			if (copy > cmdlen[i])
+				copy = cmdlen[i];
+			cmdlen[i] -= copy;
+			cmddata[i] += copy;
+			copy_size += copy;
+		}
+
 		if (cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY) {
 			had_nocopy = true;
 			if (WARN_ON(cmd->dataflags[i] & IWL_HCMD_DFL_DUP)) {
@@ -1185,7 +1202,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 				goto free_dup_buf;
 			}
 
-			dup_buf = kmemdup(cmd->data[i], cmd->len[i],
+			dup_buf = kmemdup(cmddata[i], cmdlen[i],
 					  GFP_ATOMIC);
 			if (!dup_buf)
 				return -ENOMEM;
@@ -1195,7 +1212,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 				idx = -EINVAL;
 				goto free_dup_buf;
 			}
-			copy_size += cmd->len[i];
+			copy_size += cmdlen[i];
 		}
 		cmd_size += cmd->len[i];
 	}
@@ -1242,14 +1259,31 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 
 	/* and copy the data that needs to be copied */
 	cmd_pos = offsetof(struct iwl_device_cmd, payload);
+	copy_size = sizeof(out_cmd->hdr);
 	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
-		if (!cmd->len[i])
+		int copy = 0;
+
+		if (!cmd->len)
 			continue;
-		if (cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY |
-					 IWL_HCMD_DFL_DUP))
-			break;
-		memcpy((u8 *)out_cmd + cmd_pos, cmd->data[i], cmd->len[i]);
-		cmd_pos += cmd->len[i];
+
+		/* need at least IWL_HCMD_MIN_COPY_SIZE copied */
+		if (copy_size < IWL_HCMD_MIN_COPY_SIZE) {
+			copy = IWL_HCMD_MIN_COPY_SIZE - copy_size;
+
+			if (copy > cmd->len[i])
+				copy = cmd->len[i];
+		}
+
+		/* copy everything if not nocopy/dup */
+		if (!(cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY |
+					   IWL_HCMD_DFL_DUP)))
+			copy = cmd->len[i];
+
+		if (copy) {
+			memcpy((u8 *)out_cmd + cmd_pos, cmd->data[i], copy);
+			cmd_pos += copy;
+			copy_size += copy;
+		}
 	}
 
 	WARN_ON_ONCE(txq->entries[idx].copy_cmd);
@@ -1275,7 +1309,14 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 		     out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence),
 		     cmd_size, q->write_ptr, idx, trans_pcie->cmd_queue);
 
-	phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, copy_size,
+	/*
+	 * If the entire command is smaller than IWL_HCMD_MIN_COPY_SIZE, we must
+	 * still map at least that many bytes for the hardware to write back to.
+	 * We have enough space, so that's not a problem.
+	 */
+	dma_size = max_t(u16, copy_size, IWL_HCMD_MIN_COPY_SIZE);
+
+	phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, dma_size,
 				   DMA_BIDIRECTIONAL);
 	if (unlikely(dma_mapping_error(trans->dev, phys_addr))) {
 		idx = -ENOMEM;
@@ -1283,14 +1324,15 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 	}
 
 	dma_unmap_addr_set(out_meta, mapping, phys_addr);
-	dma_unmap_len_set(out_meta, len, copy_size);
+	dma_unmap_len_set(out_meta, len, dma_size);
 
 	iwl_pcie_txq_build_tfd(trans, txq, phys_addr, copy_size, 1);
 
+	/* map the remaining (adjusted) nocopy/dup fragments */
 	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
-		const void *data = cmd->data[i];
+		const void *data = cmddata[i];
 
-		if (!cmd->len[i])
+		if (!cmdlen[i])
 			continue;
 		if (!(cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY |
 					   IWL_HCMD_DFL_DUP)))
@@ -1298,7 +1340,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 		if (cmd->dataflags[i] & IWL_HCMD_DFL_DUP)
 			data = dup_buf;
 		phys_addr = dma_map_single(trans->dev, (void *)data,
-					   cmd->len[i], DMA_BIDIRECTIONAL);
+					   cmdlen[i], DMA_BIDIRECTIONAL);
 		if (dma_mapping_error(trans->dev, phys_addr)) {
 			iwl_pcie_tfd_unmap(trans, out_meta,
 					   &txq->tfds[q->write_ptr],
@@ -1307,7 +1349,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 			goto out;
 		}
 
-		iwl_pcie_txq_build_tfd(trans, txq, phys_addr, cmd->len[i], 0);
+		iwl_pcie_txq_build_tfd(trans, txq, phys_addr, cmdlen[i], 0);
 	}
 
 	out_meta->flags = cmd->flags;
@@ -1317,8 +1359,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 
 	txq->need_update = 1;
 
-	trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size,
-			       &out_cmd->hdr, copy_size);
+	trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, &out_cmd->hdr);
 
 	/* start timer if queue currently empty */
 	if (q->read_ptr == q->write_ptr && trans_pcie->wd_timeout)
diff --git a/trunk/net/mac80211/cfg.c b/trunk/net/mac80211/cfg.c
index 808f5fcd1ced..09d96a8f6c2c 100644
--- a/trunk/net/mac80211/cfg.c
+++ b/trunk/net/mac80211/cfg.c
@@ -3285,19 +3285,13 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
 				     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();
-	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;
+	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+	if (chanctx_conf) {
+		*chandef = chanctx_conf->def;
 		ret = 0;
 	}
 	rcu_read_unlock();
diff --git a/trunk/net/mac80211/iface.c b/trunk/net/mac80211/iface.c
index 640afab304d7..2c059e54e885 100644
--- a/trunk/net/mac80211/iface.c
+++ b/trunk/net/mac80211/iface.c
@@ -107,7 +107,7 @@ void ieee80211_recalc_idle(struct ieee80211_local *local)
 
 	lockdep_assert_held(&local->mtx);
 
-	active = !list_empty(&local->chanctx_list) || local->monitors;
+	active = !list_empty(&local->chanctx_list);
 
 	if (!local->ops->remain_on_channel) {
 		list_for_each_entry(roc, &local->roc_list, list) {
diff --git a/trunk/net/mac80211/tx.c b/trunk/net/mac80211/tx.c
index c592a413bad9..5b9602b62405 100644
--- a/trunk/net/mac80211/tx.c
+++ b/trunk/net/mac80211/tx.c
@@ -1231,40 +1231,34 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local,
 		if (local->queue_stop_reasons[q] ||
 		    (!txpending && !skb_queue_empty(&local->pending[q]))) {
 			if (unlikely(info->flags &
-				     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 {
-
+					IEEE80211_TX_INTFL_OFFCHAN_TX_OK &&
+				     local->queue_stop_reasons[q] &
+					~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL))) {
 				/*
-				 * Since queue is stopped, queue up frames for
-				 * later transmission from the tx-pending
-				 * tasklet when the queue is woken again.
+				 * Drop off-channel frames if queues are stopped
+				 * for any reason other than off-channel
+				 * operation. Never queue them.
 				 */
-				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);
+				ieee80211_purge_tx_queue(&local->hw, skbs);
+				return true;
 			}
+
+			/*
+			 * 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);
 
@@ -1850,24 +1844,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 		}
 
 		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) {
-				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)
+			if (!mpath)
 				mppath = mpp_path_lookup(sdata, skb->data);
-
-			if (mppath && mpath)
-				mesh_path_del(mpath->sdata, mpath->dst);
 		}
 
 		/*
@@ -2381,9 +2360,9 @@ static int ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
 	if (local->tim_in_locked_section) {
 		__ieee80211_beacon_add_tim(sdata, ps, skb);
 	} else {
-		spin_lock_bh(&local->tim_lock);
+		spin_lock(&local->tim_lock);
 		__ieee80211_beacon_add_tim(sdata, ps, skb);
-		spin_unlock_bh(&local->tim_lock);
+		spin_unlock(&local->tim_lock);
 	}
 
 	return 0;
diff --git a/trunk/net/wireless/nl80211.c b/trunk/net/wireless/nl80211.c
index e652d05ff712..35545ccc30fd 100644
--- a/trunk/net/wireless/nl80211.c
+++ b/trunk/net/wireless/nl80211.c
@@ -554,9 +554,16 @@ static int nl80211_msg_put_channel(struct sk_buff *msg,
 	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) &&
-	    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
-		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_NO_HT40MINUS) &&
 	    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
 		goto nla_put_failure;
@@ -893,6 +900,9 @@ static int nl80211_put_iface_combinations(struct wiphy *wiphy,
 		    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);
 	}
@@ -904,6 +914,48 @@ static int nl80211_put_iface_combinations(struct wiphy *wiphy,
 	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)
 {
@@ -1278,6 +1330,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag
 				goto nla_put_failure;
 		}
 
+		if (nl80211_send_wowlan_tcp_caps(dev, msg))
+			goto nla_put_failure;
+
 		nla_nest_end(msg, nl_wowlan);
 	}
 #endif