Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

drivers/net/wireless/iwlwifi/dvm/agn.h

@@ -73,6 +73,8 @@
 /* AUX (TX during scan dwell) queue */
 #define IWL_AUX_QUEUE		10
 
+#define IWL_INVALID_STATION	255
+
 /* device operations */
 extern struct iwl_lib_ops iwl1000_lib;
 extern struct iwl_lib_ops iwl2000_lib;
@@ -176,7 +178,7 @@ int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 /* lib */
 int iwlagn_send_tx_power(struct iwl_priv *priv);
 void iwlagn_temperature(struct iwl_priv *priv);
-int iwlagn_txfifo_flush(struct iwl_priv *priv);
+int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 int iwl_send_statistics_request(struct iwl_priv *priv,
@@ -210,6 +212,8 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 			struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 		       struct ieee80211_sta *sta, u16 tid);
+int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
+			struct ieee80211_sta *sta, u16 tid);
 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 				   struct iwl_rx_cmd_buffer *rxb,
 				   struct iwl_device_cmd *cmd);

drivers/net/wireless/iwlwifi/dvm/lib.c

@@ -136,7 +136,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
  *  1. acquire mutex before calling
  *  2. make sure rf is on and not in exit state
  */
-int iwlagn_txfifo_flush(struct iwl_priv *priv)
+int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk)
 {
 	struct iwl_txfifo_flush_cmd flush_cmd;
 	struct iwl_host_cmd cmd = {
@@ -162,6 +162,9 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv)
 	if (priv->nvm_data->sku_cap_11n_enable)
 		flush_cmd.queue_control |= IWL_AGG_TX_QUEUE_MSK;
 
+	if (scd_q_msk)
+		flush_cmd.queue_control = cpu_to_le32(scd_q_msk);
+
 	IWL_DEBUG_INFO(priv, "queue control: 0x%x\n",
 		       flush_cmd.queue_control);
 	flush_cmd.flush_control = cpu_to_le16(IWL_DROP_ALL);
@@ -173,7 +176,7 @@ void iwlagn_dev_txfifo_flush(struct iwl_priv *priv)
 {
 	mutex_lock(&priv->mutex);
 	ieee80211_stop_queues(priv->hw);
-	if (iwlagn_txfifo_flush(priv)) {
+	if (iwlagn_txfifo_flush(priv, 0)) {
 		IWL_ERR(priv, "flush request fail\n");
 		goto done;
 	}
@@ -1084,7 +1087,14 @@ int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan)
 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd;
 	struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {};
-	struct iwlagn_d3_config_cmd d3_cfg_cmd = {};
+	struct iwlagn_d3_config_cmd d3_cfg_cmd = {
+		/*
+		 * Program the minimum sleep time to 10 seconds, as many
+		 * platforms have issues processing a wakeup signal while
+		 * still being in the process of suspending.
+		 */
+		.min_sleep_time = cpu_to_le32(10 * 1000 * 1000),
+	};
 	struct wowlan_key_data key_data = {
 		.ctx = ctx,
 		.bssid = ctx->active.bssid_addr,

drivers/net/wireless/iwlwifi/dvm/mac80211.c

@@ -777,9 +777,12 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 		IWL_DEBUG_HT(priv, "start Tx\n");
 		ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
 		break;
-	case IEEE80211_AMPDU_TX_STOP_CONT:
 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+		IWL_DEBUG_HT(priv, "Flush Tx\n");
+		ret = iwlagn_tx_agg_flush(priv, vif, sta, tid);
+		break;
+	case IEEE80211_AMPDU_TX_STOP_CONT:
 		IWL_DEBUG_HT(priv, "stop Tx\n");
 		ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
 		if ((ret == 0) && (priv->agg_tids_count > 0)) {
@@ -1122,7 +1125,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
 	 */
 	if (drop) {
 		IWL_DEBUG_MAC80211(priv, "send flush command\n");
-		if (iwlagn_txfifo_flush(priv)) {
+		if (iwlagn_txfifo_flush(priv, 0)) {
 			IWL_ERR(priv, "flush request fail\n");
 			goto done;
 		}

drivers/net/wireless/iwlwifi/dvm/tx.c

@@ -674,6 +674,51 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	return ret;
 }
 
+int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
+			struct ieee80211_sta *sta, u16 tid)
+{
+	struct iwl_tid_data *tid_data;
+	enum iwl_agg_state agg_state;
+	int sta_id, txq_id;
+	sta_id = iwl_sta_id(sta);
+
+	/*
+	 * First set the agg state to OFF to avoid calling
+	 * ieee80211_stop_tx_ba_cb in iwlagn_check_ratid_empty.
+	 */
+	spin_lock_bh(&priv->sta_lock);
+
+	tid_data = &priv->tid_data[sta_id][tid];
+	txq_id = tid_data->agg.txq_id;
+	agg_state = tid_data->agg.state;
+	IWL_DEBUG_TX_QUEUES(priv, "Flush AGG: sta %d tid %d q %d state %d\n",
+			    sta_id, tid, txq_id, tid_data->agg.state);
+
+	tid_data->agg.state = IWL_AGG_OFF;
+
+	spin_unlock_bh(&priv->sta_lock);
+
+	if (iwlagn_txfifo_flush(priv, BIT(txq_id)))
+		IWL_ERR(priv, "Couldn't flush the AGG queue\n");
+
+	if (test_bit(txq_id, priv->agg_q_alloc)) {
+		/*
+		 * If the transport didn't know that we wanted to start
+		 * agreggation, don't tell it that we want to stop them.
+		 * This can happen when we don't get the addBA response on
+		 * time, or we hadn't time to drain the AC queues.
+		 */
+		if (agg_state == IWL_AGG_ON)
+			iwl_trans_txq_disable(priv->trans, txq_id);
+		else
+			IWL_DEBUG_TX_QUEUES(priv, "Don't disable tx agg: %d\n",
+					    agg_state);
+		iwlagn_dealloc_agg_txq(priv, txq_id);
+	}
+
+	return 0;
+}
+
 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 			struct ieee80211_sta *sta, u16 tid, u8 buf_size)
 {

drivers/net/wireless/iwlwifi/iwl-drv.c

@@ -912,8 +912,6 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 		}
 	}
 
-	IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version);
-
 	/*
 	 * In mvm uCode there is no difference between data and instructions
 	 * sections.
@@ -970,6 +968,9 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 	else
 		op = &iwlwifi_opmode_table[DVM_OP_MODE];
 
+	IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
+		 drv->fw.fw_version, op->name);
+
 	/* add this device to the list of devices using this op_mode */
 	list_add_tail(&drv->list, &op->drv);
 
@@ -997,8 +998,13 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 	 * else from proceeding if the module fails to load
 	 * or hangs loading.
 	 */
-	if (load_module)
-		request_module("%s", op->name);
+	if (load_module) {
+		err = request_module("%s", op->name);
+		if (err)
+			IWL_ERR(drv,
+				"failed to load module %s (error %d), is dynamic loading enabled?\n",
+				op->name, err);
+	}
 	return;
 
  try_again:

drivers/net/wireless/iwlwifi/iwl-trans.h

@@ -305,7 +305,6 @@ static inline void iwl_free_rxb(struct iwl_rx_cmd_buffer *r)
  * currently supports
  */
 #define IWL_MAX_HW_QUEUES		32
-#define IWL_INVALID_STATION	255
 #define IWL_MAX_TID_COUNT	8
 #define IWL_FRAME_LIMIT	64
 
@@ -682,7 +681,7 @@ static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
 static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue,
 					   int fifo)
 {
-	iwl_trans_txq_enable(trans, queue, fifo, IWL_INVALID_STATION,
+	iwl_trans_txq_enable(trans, queue, fifo, -1,
 			     IWL_MAX_TID_COUNT, IWL_FRAME_LIMIT, 0);
 }
 

drivers/net/wireless/iwlwifi/mvm/bt-coex.c

@@ -61,6 +61,8 @@
  *
  *****************************************************************************/
 
+#include <net/mac80211.h>
+
 #include "fw-api-bt-coex.h"
 #include "iwl-modparams.h"
 #include "mvm.h"
@@ -96,6 +98,20 @@ static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
 
 #undef EVENT_PRIO_ANT
 
+/* BT Antenna Coupling Threshold (dB) */
+#define IWL_BT_ANTENNA_COUPLING_THRESHOLD	(35)
+#define IWL_BT_LOAD_FORCE_SISO_THRESHOLD	(3)
+
+#define BT_ENABLE_REDUCED_TXPOWER_THRESHOLD	(-62)
+#define BT_DISABLE_REDUCED_TXPOWER_THRESHOLD	(-65)
+#define BT_REDUCED_TX_POWER_BIT			BIT(7)
+
+static inline bool is_loose_coex(void)
+{
+	return iwlwifi_mod_params.ant_coupling >
+		IWL_BT_ANTENNA_COUPLING_THRESHOLD;
+}
+
 int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
 {
 	return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, CMD_SYNC,
@@ -186,11 +202,6 @@ static const __le32 iwl_concurrent_lookup[BT_COEX_LUT_SIZE] = {
 	cpu_to_le32(0x00000000),
 };
 
-/* BT Antenna Coupling Threshold (dB) */
-#define IWL_BT_ANTENNA_COUPLING_THRESHOLD	(35)
-#define IWL_BT_LOAD_FORCE_SISO_THRESHOLD	(3)
-
-
 int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 {
 	struct iwl_bt_coex_cmd cmd = {
@@ -203,8 +214,7 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 
 	cmd.flags = iwlwifi_mod_params.bt_coex_active ?
 			BT_COEX_NW : BT_COEX_DISABLE;
-	cmd.flags |= iwlwifi_mod_params.bt_ch_announce ? BT_CH_PRIMARY_EN : 0;
-	cmd.flags |= BT_SYNC_2_BT_DISABLE;
+	cmd.flags |= BT_CH_PRIMARY_EN | BT_SYNC_2_BT_DISABLE;
 
 	cmd.valid_bit_msk = cpu_to_le16(BT_VALID_ENABLE |
 					BT_VALID_BT_PRIO_BOOST |
@@ -215,7 +225,7 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 					BT_VALID_REDUCED_TX_POWER |
 					BT_VALID_LUT);
 
-	if (iwlwifi_mod_params.ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD)
+	if (is_loose_coex())
 		memcpy(&cmd.decision_lut, iwl_loose_lookup,
 		       sizeof(iwl_tight_lookup));
 	else
@@ -228,6 +238,8 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 	cmd.kill_cts_msk =
 		cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]);
 
+	memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
+
 	/* go to CALIB state in internal BT-Coex state machine */
 	ret = iwl_send_bt_env(mvm, BT_COEX_ENV_OPEN,
 			      BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
@@ -243,19 +255,101 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 				    sizeof(cmd), &cmd);
 }
 
-struct iwl_bt_notif_iterator_data {
-	struct iwl_mvm *mvm;
+static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm,
+					   bool reduced_tx_power)
+{
+	enum iwl_bt_kill_msk bt_kill_msk;
+	struct iwl_bt_coex_cmd cmd = {};
+	struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
+
+	lockdep_assert_held(&mvm->mutex);
+
+	if (reduced_tx_power) {
+		/* Reduced Tx power has precedence on the type of the profile */
+		bt_kill_msk = BT_KILL_MSK_REDUCED_TXPOW;
+	} else {
+		/* Low latency BT profile is active: give higher prio to BT */
+		if (BT_MBOX_MSG(notif, 3, SCO_STATE)  ||
+		    BT_MBOX_MSG(notif, 3, A2DP_STATE) ||
+		    BT_MBOX_MSG(notif, 3, SNIFF_STATE))
+			bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP;
+		else
+			bt_kill_msk = BT_KILL_MSK_DEFAULT;
+	}
+
+	IWL_DEBUG_COEX(mvm,
+		       "Update kill_msk: %d - SCO %sactive A2DP %sactive SNIFF %sactive\n",
+		       bt_kill_msk,
+		       BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in",
+		       BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in",
+		       BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in");
+
+	/* Don't send HCMD if there is no update */
+	if (bt_kill_msk == mvm->bt_kill_msk)
+		return 0;
+
+	mvm->bt_kill_msk = bt_kill_msk;
+	cmd.kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]);
+	cmd.kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]);
+	cmd.valid_bit_msk = cpu_to_le16(BT_VALID_KILL_ACK | BT_VALID_KILL_CTS);
+
+	IWL_DEBUG_COEX(mvm, "bt_kill_msk = %d\n", bt_kill_msk);
+	return iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, CMD_SYNC,
+				    sizeof(cmd), &cmd);
+}
+
+static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
+				       bool enable)
+{
+	struct iwl_bt_coex_cmd cmd = {
+		.valid_bit_msk = cpu_to_le16(BT_VALID_REDUCED_TX_POWER),
+		.bt_reduced_tx_power = sta_id,
+	};
+	struct ieee80211_sta *sta;
+	struct iwl_mvm_sta *mvmsta;
+
+	/* This can happen if the station has been removed right now */
+	if (sta_id == IWL_MVM_STATION_COUNT)
+		return 0;
+
+	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
+					lockdep_is_held(&mvm->mutex));
+	mvmsta = (void *)sta->drv_priv;
+
+	/* nothing to do */
+	if (mvmsta->bt_reduced_txpower == enable)
+		return 0;
+
+	if (enable)
+		cmd.bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT;
+
+	IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
+		       enable ? "en" : "dis", sta_id);
+
+	mvmsta->bt_reduced_txpower = enable;
+
+	/* Send ASYNC since this can be sent from an atomic context */
+	return iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, CMD_ASYNC,
+				    sizeof(cmd), &cmd);
+}
+
+struct iwl_bt_iterator_data {
 	struct iwl_bt_coex_profile_notif *notif;
+	struct iwl_mvm *mvm;
+	u32 num_bss_ifaces;
+	bool reduced_tx_power;
 };
 
 static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
 				      struct ieee80211_vif *vif)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-	struct iwl_bt_notif_iterator_data *data = _data;
+	struct iwl_bt_iterator_data *data = _data;
+	struct iwl_mvm *mvm = data->mvm;
 	struct ieee80211_chanctx_conf *chanctx_conf;
 	enum ieee80211_smps_mode smps_mode;
 	enum ieee80211_band band;
+	int ave_rssi;
 
 	if (vif->type != NL80211_IFTYPE_STATION)
 		return;
@@ -268,11 +362,13 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
 		band = -1;
 	rcu_read_unlock();
 
-	if (band != IEEE80211_BAND_2GHZ)
-		return;
-
 	smps_mode = IEEE80211_SMPS_AUTOMATIC;
 
+	if (band != IEEE80211_BAND_2GHZ) {
+		ieee80211_request_smps(vif, smps_mode);
+		return;
+	}
+
 	if (data->notif->bt_status)
 		smps_mode = IEEE80211_SMPS_DYNAMIC;
 
@@ -285,20 +381,88 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
 		       data->notif->bt_traffic_load, smps_mode);
 
 	ieee80211_request_smps(vif, smps_mode);
+
+	/* don't reduce the Tx power if in loose scheme */
+	if (is_loose_coex())
+		return;
+
+	data->num_bss_ifaces++;
+
+	/* reduced Txpower only if there are open BT connections, so ...*/
+	if (!BT_MBOX_MSG(data->notif, 3, OPEN_CON_2)) {
+		/* ... cancel reduced Tx power ... */
+		if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
+			IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
+		data->reduced_tx_power = false;
+
+		/* ... and there is no need to get reports on RSSI any more. */
+		ieee80211_disable_rssi_reports(vif);
+		return;
+	}
+
+	ave_rssi = ieee80211_ave_rssi(vif);
+
+	/* if the RSSI isn't valid, fake it is very low */
+	if (!ave_rssi)
+		ave_rssi = -100;
+	if (ave_rssi > BT_ENABLE_REDUCED_TXPOWER_THRESHOLD) {
+		if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
+			IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
+
+		/*
+		 * bt_kill_msk can be BT_KILL_MSK_REDUCED_TXPOW only if all the
+		 * BSS / P2P clients have rssi above threshold.
+		 * We set the bt_kill_msk to BT_KILL_MSK_REDUCED_TXPOW before
+		 * the iteration, if one interface's rssi isn't good enough,
+		 * bt_kill_msk will be set to default values.
+		 */
+	} else if (ave_rssi < BT_DISABLE_REDUCED_TXPOWER_THRESHOLD) {
+		if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
+			IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
+
+		/*
+		 * One interface hasn't rssi above threshold, bt_kill_msk must
+		 * be set to default values.
+		 */
+		data->reduced_tx_power = false;
+	}
+
+	/* Begin to monitor the RSSI: it may influence the reduced Tx power */
+	ieee80211_enable_rssi_reports(vif, BT_DISABLE_REDUCED_TXPOWER_THRESHOLD,
+				      BT_ENABLE_REDUCED_TXPOWER_THRESHOLD);
+}
+
+static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
+{
+	struct iwl_bt_iterator_data data = {
+		.mvm = mvm,
+		.notif = &mvm->last_bt_notif,
+		.reduced_tx_power = true,
+	};
+
+	ieee80211_iterate_active_interfaces_atomic(
+					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+					iwl_mvm_bt_notif_iterator, &data);
+
+	/*
+	 * If there are no BSS / P2P client interfaces, reduced Tx Power is
+	 * irrelevant since it is based on the RSSI coming from the beacon.
+	 * Use BT_KILL_MSK_DEFAULT in that case.
+	 */
+	data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
+
+	if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
+		IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
 }
 
+/* upon association, the fw will send in BT Coex notification */
 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 			     struct iwl_rx_cmd_buffer *rxb,
 			     struct iwl_device_cmd *dev_cmd)
 {
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
-	struct iwl_bt_notif_iterator_data data = {
-		.mvm = mvm,
-		.notif = notif,
-	};
-	struct iwl_bt_coex_cmd cmd = {};
-	enum iwl_bt_kill_msk bt_kill_msk;
+
 
 	IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
 	IWL_DEBUG_COEX(mvm, "\tBT %salive\n", notif->bt_status ? "" : "not ");
@@ -311,38 +475,115 @@ int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 	/* remember this notification for future use: rssi fluctuations */
 	memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
 
-	ieee80211_iterate_active_interfaces_atomic(
-					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
-					iwl_mvm_bt_notif_iterator, &data);
+	iwl_mvm_bt_coex_notif_handle(mvm);
+
+	/*
+	 * This is an async handler for a notification, returning anything other
+	 * than 0 doesn't make sense even if HCMD failed.
+	 */
+	return 0;
+}
+
+static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
+				   struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
+	struct iwl_bt_iterator_data *data = _data;
+	struct iwl_mvm *mvm = data->mvm;
+
+	struct ieee80211_sta *sta;
+	struct iwl_mvm_sta *mvmsta;
+
+	if (vif->type != NL80211_IFTYPE_STATION ||
+	    mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
+		return;
+
+	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
+					lockdep_is_held(&mvm->mutex));
+	mvmsta = (void *)sta->drv_priv;
+
+	/*
+	 * This interface doesn't support reduced Tx power (because of low
+	 * RSSI probably), then set bt_kill_msk to default values.
+	 */
+	if (!mvmsta->bt_reduced_txpower)
+		data->reduced_tx_power = false;
+	/* else - possibly leave it to BT_KILL_MSK_REDUCED_TXPOW */
+}
+
+void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+			   enum ieee80211_rssi_event rssi_event)
+{
+	struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
+	struct iwl_bt_iterator_data data = {
+		.mvm = mvm,
+		.reduced_tx_power = true,
+	};
+	int ret;
+
+	mutex_lock(&mvm->mutex);
+
+	/* Rssi update while not associated ?! */
+	if (WARN_ON_ONCE(mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
+		goto out_unlock;
 
-	/* Low latency BT profile is active: give higher prio to BT */
-	if (BT_MBOX_MSG(notif, 3, SCO_STATE)  ||
-	    BT_MBOX_MSG(notif, 3, A2DP_STATE) ||
-	    BT_MBOX_MSG(notif, 3, SNIFF_STATE))
-		bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP;
+	/* No open connection - reports should be disabled */
+	if (!BT_MBOX_MSG(&mvm->last_bt_notif, 3, OPEN_CON_2))
+		goto out_unlock;
+
+	IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
+		       rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
+
+	/*
+	 * Check if rssi is good enough for reduced Tx power, but not in loose
+	 * scheme.
+	 */
+	if (rssi_event == RSSI_EVENT_LOW || is_loose_coex())
+		ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
+						  false);
 	else
-		bt_kill_msk = BT_KILL_MSK_DEFAULT;
+		ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
 
-	/* Don't send HCMD if there is no update */
-	if (bt_kill_msk == mvm->bt_kill_msk)
-		return 0;
+	if (ret)
+		IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
 
-	IWL_DEBUG_COEX(mvm,
-		       "Update kill_msk: %d - SCO %sactive A2DP %sactive SNIFF %sactive\n",
-		       bt_kill_msk,
-		       BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in",
-		       BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in",
-		       BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in");
+	ieee80211_iterate_active_interfaces_atomic(
+		mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+		iwl_mvm_bt_rssi_iterator, &data);
 
-	mvm->bt_kill_msk = bt_kill_msk;
-	cmd.kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]);
-	cmd.kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]);
+	/*
+	 * If there are no BSS / P2P client interfaces, reduced Tx Power is
+	 * irrelevant since it is based on the RSSI coming from the beacon.
+	 * Use BT_KILL_MSK_DEFAULT in that case.
+	 */
+	data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
 
-	cmd.valid_bit_msk = cpu_to_le16(BT_VALID_KILL_ACK | BT_VALID_KILL_CTS);
+	if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
+		IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
 
-	if (iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, CMD_SYNC, sizeof(cmd), &cmd))
-		IWL_ERR(mvm, "Failed to sent BT Coex CMD\n");
+ out_unlock:
+	mutex_unlock(&mvm->mutex);
+}
 
-	/* This handler is ASYNC */
-	return 0;
+void iwl_mvm_bt_coex_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+	struct ieee80211_chanctx_conf *chanctx_conf;
+	enum ieee80211_band band;
+
+	rcu_read_lock();
+	chanctx_conf = rcu_dereference(vif->chanctx_conf);
+	if (chanctx_conf && chanctx_conf->def.chan)
+		band = chanctx_conf->def.chan->band;
+	else
+		band = -1;
+	rcu_read_unlock();
+
+	/* if we are in 2GHz we will get a notification from the fw */
+	if (band == IEEE80211_BAND_2GHZ)
+		return;
+
+	/* else, we can remove all the constraints */
+	memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
+
+	iwl_mvm_bt_coex_notif_handle(mvm);
 }

drivers/net/wireless/iwlwifi/mvm/d3.c

@@ -769,7 +769,14 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 	struct iwl_wowlan_config_cmd wowlan_config_cmd = {};
 	struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd = {};
 	struct iwl_wowlan_tkip_params_cmd tkip_cmd = {};
-	struct iwl_d3_manager_config d3_cfg_cmd = {};
+	struct iwl_d3_manager_config d3_cfg_cmd = {
+		/*
+		 * Program the minimum sleep time to 10 seconds, as many
+		 * platforms have issues processing a wakeup signal while
+		 * still being in the process of suspending.
+		 */
+		.min_sleep_time = cpu_to_le32(10 * 1000 * 1000),
+	};
 	struct wowlan_key_data key_data = {
 		.use_rsc_tsc = false,
 		.tkip = &tkip_cmd,

drivers/net/wireless/iwlwifi/mvm/debugfs.c

@@ -300,6 +300,67 @@ static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file,
 	return count;
 }
 
+static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
+					 char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct ieee80211_vif *vif = file->private_data;
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm *mvm = mvmvif->dbgfs_data;
+	u8 ap_sta_id;
+	struct ieee80211_chanctx_conf *chanctx_conf;
+	char buf[512];
+	int bufsz = sizeof(buf);
+	int pos = 0;
+	int i;
+
+	mutex_lock(&mvm->mutex);
+
+	ap_sta_id = mvmvif->ap_sta_id;
+
+	pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
+			 mvmvif->id, mvmvif->color);
+	pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
+			 vif->bss_conf.bssid);
+	pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
+	for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++) {
+		pos += scnprintf(buf+pos, bufsz-pos,
+				 "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
+				 i, mvmvif->queue_params[i].txop,
+				 mvmvif->queue_params[i].cw_min,
+				 mvmvif->queue_params[i].cw_max,
+				 mvmvif->queue_params[i].aifs,
+				 mvmvif->queue_params[i].uapsd);
+	}
+
+	if (vif->type == NL80211_IFTYPE_STATION &&
+	    ap_sta_id != IWL_MVM_STATION_COUNT) {
+		struct ieee80211_sta *sta;
+		struct iwl_mvm_sta *mvm_sta;
+
+		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
+						lockdep_is_held(&mvm->mutex));
+		mvm_sta = (void *)sta->drv_priv;
+		pos += scnprintf(buf+pos, bufsz-pos,
+				 "ap_sta_id %d - reduced Tx power %d\n",
+				 ap_sta_id, mvm_sta->bt_reduced_txpower);
+	}
+
+	rcu_read_lock();
+	chanctx_conf = rcu_dereference(vif->chanctx_conf);
+	if (chanctx_conf) {
+		pos += scnprintf(buf+pos, bufsz-pos,
+				 "idle rx chains %d, active rx chains: %d\n",
+				 chanctx_conf->rx_chains_static,
+				 chanctx_conf->rx_chains_dynamic);
+	}
+	rcu_read_unlock();
+
+	mutex_unlock(&mvm->mutex);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
 #define BT_MBOX_MSG(_notif, _num, _field)				     \
 	((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
 	>> BT_MBOX##_num##_##_field##_POS)
@@ -464,6 +525,9 @@ MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow);
 MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow);
 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart);
 
+/* Interface specific debugfs entries */
+MVM_DEBUGFS_READ_FILE_OPS(mac_params);
+
 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 {
 	char buf[100];
@@ -494,3 +558,58 @@ err:
 	IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
 	return -ENOMEM;
 }
+
+void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+	struct dentry *dbgfs_dir = vif->debugfs_dir;
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	char buf[100];
+
+	if (!dbgfs_dir)
+		return;
+
+	mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
+	mvmvif->dbgfs_data = mvm;
+
+	if (!mvmvif->dbgfs_dir) {
+		IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
+			dbgfs_dir->d_name.name);
+		return;
+	}
+
+	MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir,
+				 S_IRUSR);
+
+	/*
+	 * Create symlink for convenience pointing to interface specific
+	 * debugfs entries for the driver. For example, under
+	 * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
+	 * find
+	 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
+	 */
+	snprintf(buf, 100, "../../../%s/%s/%s/%s",
+		 dbgfs_dir->d_parent->d_parent->d_name.name,
+		 dbgfs_dir->d_parent->d_name.name,
+		 dbgfs_dir->d_name.name,
+		 mvmvif->dbgfs_dir->d_name.name);
+
+	mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
+						     mvm->debugfs_dir, buf);
+	if (!mvmvif->dbgfs_slink)
+		IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
+			dbgfs_dir->d_name.name);
+	return;
+err:
+	IWL_ERR(mvm, "Can't create debugfs entity\n");
+}
+
+void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+	debugfs_remove(mvmvif->dbgfs_slink);
+	mvmvif->dbgfs_slink = NULL;
+
+	debugfs_remove_recursive(mvmvif->dbgfs_dir);
+	mvmvif->dbgfs_dir = NULL;
+}

drivers/net/wireless/iwlwifi/mvm/fw-api-power.h

@@ -68,73 +68,53 @@
 
 /**
  * enum iwl_scan_flags - masks for power table command flags
+ * @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
+ *		receiver and transmitter. '0' - does not allow.
  * @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management,
  *		'1' Driver enables PM (use rest of parameters)
- * @POWER_FLAGS_SLEEP_OVER_DTIM_MSK: '0' PM have to walk up every DTIM,
+ * @POWER_FLAGS_SKIP_OVER_DTIM_MSK: '0' PM have to walk up every DTIM,
  *		'1' PM could sleep over DTIM till listen Interval.
- * @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable.
- * @POWER_FLAGS_SNOOZE_ENA_MSK: Enable snoozing only if uAPSD is enabled and all
- *		access categories are both delivery and trigger enabled.
- * @POWER_FLAGS_BT_SCO_ENA: Enable BT SCO coex only if uAPSD and
- *		PBW Snoozing enabled
  * @POWER_FLAGS_ADVANCE_PM_ENA_MSK: Advanced PM (uAPSD) enable mask
+ * @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable.
 */
 enum iwl_power_flags {
-	POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK	= BIT(0),
-	POWER_FLAGS_SLEEP_OVER_DTIM_MSK		= BIT(1),
-	POWER_FLAGS_LPRX_ENA_MSK		= BIT(2),
-	POWER_FLAGS_SNOOZE_ENA_MSK		= BIT(3),
-	POWER_FLAGS_BT_SCO_ENA			= BIT(4),
-	POWER_FLAGS_ADVANCE_PM_ENA_MSK		= BIT(5)
+	POWER_FLAGS_POWER_SAVE_ENA_MSK		= BIT(0),
+	POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK	= BIT(1),
+	POWER_FLAGS_SKIP_OVER_DTIM_MSK		= BIT(2),
+	POWER_FLAGS_ADVANCE_PM_ENA_MSK		= BIT(9),
+	POWER_FLAGS_LPRX_ENA_MSK		= BIT(11),
 };
 
+#define IWL_POWER_VEC_SIZE 5
+
 /**
  * struct iwl_powertable_cmd - Power Table Command
  * POWER_TABLE_CMD = 0x77 (command, has simple generic response)
  *
- * @id_and_color:	MAC contex identifier
- * @action:		Action on context - no action, add new,
- *			modify existent, remove
  * @flags:		Power table command flags from POWER_FLAGS_*
  * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
- *			Minimum allowed:- 3 * DTIM
+ *			Minimum allowed:- 3 * DTIM. Keep alive period must be
+ *			set regardless of power scheme or current power state.
+ *			FW use this value also when PM is disabled.
  * @rx_data_timeout:    Minimum time (usec) from last Rx packet for AM to
  *			PSM transition - legacy PM
  * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to
  *			PSM transition - legacy PM
- * @rx_data_timeout_uapsd: Minimum time (usec) from last Rx packet for AM to
- *			PSM transition - uAPSD
- * @tx_data_timeout_uapsd: Minimum time (usec) from last Tx packet for AM to
- *			PSM transition - uAPSD
+ * @sleep_interval:	not in use
+ * @keep_alive_beacons:	not in use
  * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
  *			Default: 80dbm
- * @num_skip_dtim:      Number of DTIMs to skip if Skip over DTIM flag is set
- * @snooze_interval:    TBD
- * @snooze_window:      TBD
- * @snooze_step:        TBD
- * @qndp_tid:           TBD
- * @uapsd_ac_flags:     TBD
- * @uapsd_max_sp:       TBD
  */
 struct iwl_powertable_cmd {
-	/* COMMON_INDEX_HDR_API_S_VER_1 */
-	__le32 id_and_color;
-	__le32 action;
+	/* PM_POWER_TABLE_CMD_API_S_VER_5 */
 	__le16 flags;
-	u8 reserved;
-	__le16 keep_alive_seconds;
+	u8 keep_alive_seconds;
+	u8 debug_flags;
 	__le32 rx_data_timeout;
 	__le32 tx_data_timeout;
-	__le32 rx_data_timeout_uapsd;
-	__le32 tx_data_timeout_uapsd;
-	u8 lprx_rssi_threshold;
-	u8 num_skip_dtim;
-	__le16 snooze_interval;
-	__le16 snooze_window;
-	u8 snooze_step;
-	u8 qndp_tid;
-	u8 uapsd_ac_flags;
-	u8 uapsd_max_sp;
+	__le32 sleep_interval[IWL_POWER_VEC_SIZE];
+	__le32 keep_alive_beacons;
+	__le32 lprx_rssi_threshold;
 } __packed;
 
 #endif

drivers/net/wireless/iwlwifi/mvm/fw-api.h

@@ -480,15 +480,34 @@ enum {
 	TE_DEP_TSF		= 2,
 	TE_EVENT_SOCIOPATHIC	= 4,
 }; /* MAC_EVENT_DEPENDENCY_POLICY_API_E_VER_2 */
-
-/* When to send Time Event notifications and to whom (internal = FW) */
+/*
+ * Supported Time event notifications configuration.
+ * A notification (both event and fragment) includes a status indicating weather
+ * the FW was able to schedule the event or not. For fragment start/end
+ * notification the status is always success. There is no start/end fragment
+ * notification for monolithic events.
+ *
+ * @TE_NOTIF_NONE: no notifications
+ * @TE_NOTIF_HOST_EVENT_START: request/receive notification on event start
+ * @TE_NOTIF_HOST_EVENT_END:request/receive notification on event end
+ * @TE_NOTIF_INTERNAL_EVENT_START: internal FW use
+ * @TE_NOTIF_INTERNAL_EVENT_END: internal FW use.
+ * @TE_NOTIF_HOST_FRAG_START: request/receive notification on frag start
+ * @TE_NOTIF_HOST_FRAG_END:request/receive notification on frag end
+ * @TE_NOTIF_INTERNAL_FRAG_START: internal FW use.
+ * @TE_NOTIF_INTERNAL_FRAG_END: internal FW use.
+ */
 enum {
 	TE_NOTIF_NONE = 0,
-	TE_NOTIF_HOST_START = 0x1,
-	TE_NOTIF_HOST_END = 0x2,
-	TE_NOTIF_INTERNAL_START = 0x4,
-	TE_NOTIF_INTERNAL_END = 0x8
-}; /* MAC_EVENT_ACTION_API_E_VER_1 */
+	TE_NOTIF_HOST_EVENT_START = 0x1,
+	TE_NOTIF_HOST_EVENT_END = 0x2,
+	TE_NOTIF_INTERNAL_EVENT_START = 0x4,
+	TE_NOTIF_INTERNAL_EVENT_END = 0x8,
+	TE_NOTIF_HOST_FRAG_START = 0x10,
+	TE_NOTIF_HOST_FRAG_END = 0x20,
+	TE_NOTIF_INTERNAL_FRAG_START = 0x40,
+	TE_NOTIF_INTERNAL_FRAG_END = 0x80
+}; /* MAC_EVENT_ACTION_API_E_VER_2 */
 
 /*
  * @TE_FRAG_NONE: fragmentation of the time event is NOT allowed.

drivers/net/wireless/iwlwifi/mvm/mac80211.c

@@ -502,11 +502,15 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 	/*
 	 * TODO: remove this temporary code.
 	 * Currently MVM FW supports power management only on single MAC.
-	 * Iterate and disable PM on all active interfaces.
+	 * If new interface added, disable PM on existing interface.
+	 * P2P device is a special case, since it is handled by FW similary to
+	 * scan. If P2P deviced is added, PM remains enabled on existing
+	 * interface.
 	 * Note: the method below does not count the new interface being added
 	 * at this moment.
 	 */
-	mvm->vif_count++;
+	if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
+		mvm->vif_count++;
 	if (mvm->vif_count > 1) {
 		IWL_DEBUG_MAC80211(mvm,
 				   "Disable power on existing interfaces\n");
@@ -562,6 +566,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 		mvm->p2p_device_vif = vif;
 	}
 
+	iwl_mvm_vif_dbgfs_register(mvm, vif);
 	goto out_unlock;
 
  out_unbind:
@@ -575,10 +580,11 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 	/*
 	 * TODO: remove this temporary code.
 	 * Currently MVM FW supports power management only on single MAC.
-	 * Check if only one additional interface remains after rereasing
+	 * Check if only one additional interface remains after releasing
 	 * current one. Update power mode on the remaining interface.
 	 */
-	mvm->vif_count--;
+	if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
+		mvm->vif_count--;
 	IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n",
 			   mvm->vif_count);
 	if (mvm->vif_count == 1) {
@@ -640,6 +646,8 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
 
 	mutex_lock(&mvm->mutex);
 
+	iwl_mvm_vif_dbgfs_clean(mvm, vif);
+
 	/*
 	 * For AP/GO interface, the tear down of the resources allocated to the
 	 * interface is be handled as part of the stop_ap flow.
@@ -663,7 +671,7 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
 	 * Check if only one additional interface remains after removing
 	 * current one. Update power mode on the remaining interface.
 	 */
-	if (mvm->vif_count)
+	if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
 		mvm->vif_count--;
 	IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n",
 			   mvm->vif_count);
@@ -713,6 +721,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
 				IWL_ERR(mvm, "failed to update quotas\n");
 				return;
 			}
+			iwl_mvm_bt_coex_vif_assoc(mvm, vif);
 		} else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
 			/* remove AP station now that the MAC is unassoc */
 			ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
@@ -931,7 +940,7 @@ static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
 		 */
 		break;
 	case STA_NOTIFY_AWAKE:
-		if (WARN_ON(mvmsta->sta_id == IWL_INVALID_STATION))
+		if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
 			break;
 		iwl_mvm_sta_modify_ps_wake(mvm, sta);
 		break;
@@ -1326,6 +1335,15 @@ static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
 	return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
 }
 
+static void iwl_mvm_mac_rssi_callback(struct ieee80211_hw *hw,
+				      struct ieee80211_vif *vif,
+				      enum ieee80211_rssi_event rssi_event)
+{
+	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+	iwl_mvm_bt_rssi_event(mvm, vif, rssi_event);
+}
+
 struct ieee80211_ops iwl_mvm_hw_ops = {
 	.tx = iwl_mvm_mac_tx,
 	.ampdu_action = iwl_mvm_mac_ampdu_action,
@@ -1349,6 +1367,7 @@ struct ieee80211_ops iwl_mvm_hw_ops = {
 	.update_tkip_key = iwl_mvm_mac_update_tkip_key,
 	.remain_on_channel = iwl_mvm_roc,
 	.cancel_remain_on_channel = iwl_mvm_cancel_roc,
+	.rssi_callback = iwl_mvm_mac_rssi_callback,
 
 	.add_chanctx = iwl_mvm_add_chanctx,
 	.remove_chanctx = iwl_mvm_remove_chanctx,

drivers/net/wireless/iwlwifi/mvm/mvm.h

@@ -212,6 +212,7 @@ struct iwl_mvm_vif {
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 	struct dentry *dbgfs_dir;
+	struct dentry *dbgfs_slink;
 	void *dbgfs_data;
 #endif
 };
@@ -321,6 +322,13 @@ struct iwl_mvm {
 	 * can hold 16 keys at most. Reflect this fact.
 	 */
 	unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
+
+	/*
+	 * This counter of created interfaces is referenced only in conjunction
+	 * with FW limitation related to power management. Currently PM is
+	 * supported only on a single interface.
+	 * IMPORTANT: this variable counts all interfaces except P2P device.
+	 */
 	u8 vif_count;
 
 	struct led_classdev led;
@@ -471,16 +479,22 @@ void iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 /* MVM debugfs */
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
-int iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			       struct dentry *dbgfs_dir);
-void iwl_power_get_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			  struct iwl_powertable_cmd *cmd);
+void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 #else
 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 					 struct dentry *dbgfs_dir)
 {
 	return 0;
 }
+static inline void
+iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+}
+static inline void
+iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+}
 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 
 /* rate scaling */
@@ -490,6 +504,8 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq,
 /* power managment */
 int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+			     struct iwl_powertable_cmd *cmd);
 
 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
@@ -513,5 +529,8 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 			     struct iwl_rx_cmd_buffer *rxb,
 			     struct iwl_device_cmd *cmd);
+void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+			   enum ieee80211_rssi_event rssi_event);
+void iwl_mvm_bt_coex_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 
 #endif /* __IWL_MVM_H__ */

drivers/net/wireless/iwlwifi/mvm/power.c

@@ -75,23 +75,49 @@
 
 #define POWER_KEEP_ALIVE_PERIOD_SEC    25
 
-static void iwl_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-				struct iwl_powertable_cmd *cmd)
+static void iwl_mvm_power_log(struct iwl_mvm *mvm,
+			      struct iwl_powertable_cmd *cmd)
+{
+	IWL_DEBUG_POWER(mvm,
+			"Sending power table command for power level %d, flags = 0x%X\n",
+			iwlmvm_mod_params.power_scheme,
+			le16_to_cpu(cmd->flags));
+	IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", cmd->keep_alive_seconds);
+
+	if (cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) {
+		IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
+				le32_to_cpu(cmd->rx_data_timeout));
+		IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
+				le32_to_cpu(cmd->tx_data_timeout));
+		IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
+				cmd->lprx_rssi_threshold);
+	}
+}
+
+void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+			     struct iwl_powertable_cmd *cmd)
 {
 	struct ieee80211_hw *hw = mvm->hw;
-	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	struct ieee80211_chanctx_conf *chanctx_conf;
 	struct ieee80211_channel *chan;
 	int dtimper, dtimper_msec;
 	int keep_alive;
 	bool radar_detect = false;
 
-	cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
-							    mvmvif->color));
-	cmd->action = cpu_to_le32(FW_CTXT_ACTION_MODIFY);
+	/*
+	 * Regardless of power management state the driver must set
+	 * keep alive period. FW will use it for sending keep alive NDPs
+	 * immediately after association.
+	 */
+	cmd->keep_alive_seconds = POWER_KEEP_ALIVE_PERIOD_SEC;
+
+	if ((iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) ||
+	    !iwlwifi_mod_params.power_save)
+		return;
+
+	cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 
-	if ((!vif->bss_conf.ps) ||
-	    (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM))
+	if (!vif->bss_conf.ps)
 		return;
 
 	cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
@@ -110,26 +136,23 @@ static void iwl_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 
 	/* Check skip over DTIM conditions */
 	if (!radar_detect && (dtimper <= 10) &&
-	    (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP)) {
-		cmd->flags |= cpu_to_le16(POWER_FLAGS_SLEEP_OVER_DTIM_MSK);
-		cmd->num_skip_dtim = 2;
-	}
+	    (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP))
+		cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 
 	/* Check that keep alive period is at least 3 * DTIM */
 	dtimper_msec = dtimper * vif->bss_conf.beacon_int;
 	keep_alive = max_t(int, 3 * dtimper_msec,
-			   MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
+			   MSEC_PER_SEC * cmd->keep_alive_seconds);
 	keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
-
-	cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
+	cmd->keep_alive_seconds = keep_alive;
 
 	if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP) {
 		/* TODO: Also for D3 (device sleep / WoWLAN) */
-		cmd->rx_data_timeout = cpu_to_le32(10);
-		cmd->tx_data_timeout = cpu_to_le32(10);
+		cmd->rx_data_timeout = cpu_to_le32(10 * USEC_PER_MSEC);
+		cmd->tx_data_timeout = cpu_to_le32(10 * USEC_PER_MSEC);
 	} else {
-		cmd->rx_data_timeout = cpu_to_le32(50);
-		cmd->tx_data_timeout = cpu_to_le32(50);
+		cmd->rx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC);
+		cmd->tx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC);
 	}
 }
 
@@ -137,36 +160,11 @@ int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 {
 	struct iwl_powertable_cmd cmd = {};
 
-	if (!iwlwifi_mod_params.power_save) {
-		IWL_DEBUG_POWER(mvm, "Power management is not allowed\n");
-		return 0;
-	}
-
 	if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 		return 0;
 
-	iwl_power_build_cmd(mvm, vif, &cmd);
-
-	IWL_DEBUG_POWER(mvm,
-			"Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
-			cmd.id_and_color, iwlmvm_mod_params.power_scheme,
-			le16_to_cpu(cmd.flags));
-
-	if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) {
-		IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
-				le16_to_cpu(cmd.keep_alive_seconds));
-		IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
-				le32_to_cpu(cmd.rx_data_timeout));
-		IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
-				le32_to_cpu(cmd.tx_data_timeout));
-		IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
-				le32_to_cpu(cmd.rx_data_timeout_uapsd));
-		IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
-				le32_to_cpu(cmd.tx_data_timeout_uapsd));
-		IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
-				cmd.lprx_rssi_threshold);
-		IWL_DEBUG_POWER(mvm, "DTIMs to skip = %u\n", cmd.num_skip_dtim);
-	}
+	iwl_mvm_power_build_cmd(mvm, vif, &cmd);
+	iwl_mvm_power_log(mvm, &cmd);
 
 	return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_SYNC,
 				    sizeof(cmd), &cmd);
@@ -175,33 +173,16 @@ int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 {
 	struct iwl_powertable_cmd cmd = {};
-	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-
-	if (!iwlwifi_mod_params.power_save) {
-		IWL_DEBUG_POWER(mvm, "Power management is not allowed\n");
-		return 0;
-	}
 
 	if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 		return 0;
 
-	cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
-							    mvmvif->color));
-	cmd.action = cpu_to_le32(FW_CTXT_ACTION_MODIFY);
+	if ((iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) &&
+	    iwlwifi_mod_params.power_save)
+		cmd.flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 
-	IWL_DEBUG_POWER(mvm,
-			"Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
-			cmd.id_and_color, iwlmvm_mod_params.power_scheme,
-			le16_to_cpu(cmd.flags));
+	iwl_mvm_power_log(mvm, &cmd);
 
 	return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_ASYNC,
 				    sizeof(cmd), &cmd);
 }
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-void iwl_power_get_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			  struct iwl_powertable_cmd *cmd)
-{
-	iwl_power_build_cmd(mvm, vif, cmd);
-}
-#endif /* CONFIG_IWLWIFI_DEBUGFS */

drivers/net/wireless/iwlwifi/mvm/rs.c

@@ -793,7 +793,7 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta,
 
 		if (num_of_ant(tbl->ant_type) > 1)
 			tbl->ant_type =
-			    first_antenna(mvm->nvm_data->valid_tx_ant);
+			    first_antenna(iwl_fw_valid_tx_ant(mvm->fw));
 
 		tbl->is_ht40 = 0;
 		tbl->is_SGI = 0;
@@ -1235,7 +1235,7 @@ static int rs_switch_to_mimo2(struct iwl_mvm *mvm,
 		return -1;
 
 	/* Need both Tx chains/antennas to support MIMO */
-	if (num_of_ant(mvm->nvm_data->valid_tx_ant) < 2)
+	if (num_of_ant(iwl_fw_valid_tx_ant(mvm->fw)) < 2)
 		return -1;
 
 	IWL_DEBUG_RATE(mvm, "LQ: try to switch to MIMO2\n");
@@ -1287,7 +1287,7 @@ static int rs_switch_to_mimo3(struct iwl_mvm *mvm,
 		return -1;
 
 	/* Need both Tx chains/antennas to support MIMO */
-	if (num_of_ant(mvm->nvm_data->valid_tx_ant) < 3)
+	if (num_of_ant(iwl_fw_valid_tx_ant(mvm->fw)) < 3)
 		return -1;
 
 	IWL_DEBUG_RATE(mvm, "LQ: try to switch to MIMO3\n");
@@ -1381,7 +1381,7 @@ static int rs_move_legacy_other(struct iwl_mvm *mvm,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant;
+	u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw);
 	u8 tx_chains_num = num_of_ant(valid_tx_ant);
 	int ret;
 	u8 update_search_tbl_counter = 0;
@@ -1514,7 +1514,7 @@ static int rs_move_siso_to_other(struct iwl_mvm *mvm,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant;
+	u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw);
 	u8 tx_chains_num = num_of_ant(valid_tx_ant);
 	u8 update_search_tbl_counter = 0;
 	int ret;
@@ -1649,7 +1649,7 @@ static int rs_move_mimo2_to_other(struct iwl_mvm *mvm,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant;
+	u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw);
 	u8 tx_chains_num = num_of_ant(valid_tx_ant);
 	u8 update_search_tbl_counter = 0;
 	int ret;
@@ -1786,7 +1786,7 @@ static int rs_move_mimo3_to_other(struct iwl_mvm *mvm,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant;
+	u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw);
 	u8 tx_chains_num = num_of_ant(valid_tx_ant);
 	int ret;
 	u8 update_search_tbl_counter = 0;
@@ -2449,7 +2449,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm,
 
 	i = lq_sta->last_txrate_idx;
 
-	valid_tx_ant = mvm->nvm_data->valid_tx_ant;
+	valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw);
 
 	if (!lq_sta->search_better_tbl)
 		active_tbl = lq_sta->active_tbl;
@@ -2639,15 +2639,15 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 
 	/* These values will be overridden later */
 	lq_sta->lq.single_stream_ant_msk =
-		first_antenna(mvm->nvm_data->valid_tx_ant);
+		first_antenna(iwl_fw_valid_tx_ant(mvm->fw));
 	lq_sta->lq.dual_stream_ant_msk =
-		mvm->nvm_data->valid_tx_ant &
-		~first_antenna(mvm->nvm_data->valid_tx_ant);
+		iwl_fw_valid_tx_ant(mvm->fw) &
+		~first_antenna(iwl_fw_valid_tx_ant(mvm->fw));
 	if (!lq_sta->lq.dual_stream_ant_msk) {
 		lq_sta->lq.dual_stream_ant_msk = ANT_AB;
-	} else if (num_of_ant(mvm->nvm_data->valid_tx_ant) == 2) {
+	} else if (num_of_ant(iwl_fw_valid_tx_ant(mvm->fw)) == 2) {
 		lq_sta->lq.dual_stream_ant_msk =
-			mvm->nvm_data->valid_tx_ant;
+			iwl_fw_valid_tx_ant(mvm->fw);
 	}
 
 	/* as default allow aggregation for all tids */
@@ -2708,7 +2708,7 @@ static void rs_fill_link_cmd(struct iwl_mvm *mvm,
 	index++;
 	repeat_rate--;
 	if (mvm)
-		valid_tx_ant = mvm->nvm_data->valid_tx_ant;
+		valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw);
 
 	/* Fill rest of rate table */
 	while (index < LINK_QUAL_MAX_RETRY_NUM) {
@@ -2813,7 +2813,7 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta,
 	u8 ant_sel_tx;
 
 	mvm = lq_sta->drv;
-	valid_tx_ant = mvm->nvm_data->valid_tx_ant;
+	valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw);
 	if (lq_sta->dbg_fixed_rate) {
 		ant_sel_tx =
 		  ((lq_sta->dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK)
@@ -2884,9 +2884,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
 	desc += sprintf(buff+desc, "fixed rate 0x%X\n",
 			lq_sta->dbg_fixed_rate);
 	desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n",
-	    (mvm->nvm_data->valid_tx_ant & ANT_A) ? "ANT_A," : "",
-	    (mvm->nvm_data->valid_tx_ant & ANT_B) ? "ANT_B," : "",
-	    (mvm->nvm_data->valid_tx_ant & ANT_C) ? "ANT_C" : "");
+	    (iwl_fw_valid_tx_ant(mvm->fw) & ANT_A) ? "ANT_A," : "",
+	    (iwl_fw_valid_tx_ant(mvm->fw) & ANT_B) ? "ANT_B," : "",
+	    (iwl_fw_valid_tx_ant(mvm->fw) & ANT_C) ? "ANT_C" : "");
 	desc += sprintf(buff+desc, "lq type %s\n",
 	   (is_legacy(tbl->lq_type)) ? "legacy" : "HT");
 	if (is_Ht(tbl->lq_type)) {

drivers/net/wireless/iwlwifi/mvm/sta.c

@@ -945,7 +945,7 @@ static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif,
 	    mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT)
 		return mvmvif->ap_sta_id;
 
-	return IWL_INVALID_STATION;
+	return IWL_MVM_STATION_COUNT;
 }
 
 static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm,
@@ -1093,7 +1093,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm,
 
 	/* Get the station id from the mvm local station table */
 	sta_id = iwl_mvm_get_key_sta_id(vif, sta);
-	if (sta_id == IWL_INVALID_STATION) {
+	if (sta_id == IWL_MVM_STATION_COUNT) {
 		IWL_ERR(mvm, "Failed to find station id\n");
 		return -EINVAL;
 	}
@@ -1188,7 +1188,7 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm,
 		return -ENOENT;
 	}
 
-	if (sta_id == IWL_INVALID_STATION) {
+	if (sta_id == IWL_MVM_STATION_COUNT) {
 		IWL_DEBUG_WEP(mvm, "station non-existent, early return.\n");
 		return 0;
 	}
@@ -1254,7 +1254,7 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
 	struct iwl_mvm_sta *mvm_sta;
 	u8 sta_id = iwl_mvm_get_key_sta_id(vif, sta);
 
-	if (WARN_ON_ONCE(sta_id == IWL_INVALID_STATION))
+	if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
 		return;
 
 	rcu_read_lock();

drivers/net/wireless/iwlwifi/mvm/sta.h

@@ -271,6 +271,7 @@ struct iwl_mvm_tid_data {
  * @tid_disable_agg: bitmap: if bit(tid) is set, the fw won't send ampdus for
  *	tid.
  * @max_agg_bufsize: the maximal size of the AGG buffer for this station
+ * @bt_reduced_txpower: is reduced tx power enabled for this station
  * @lock: lock to protect the whole struct. Since %tid_data is access from Tx
  * and from Tx response flow, it needs a spinlock.
  * @pending_frames: number of frames for this STA on the shared Tx queues.
@@ -287,6 +288,7 @@ struct iwl_mvm_sta {
 	u32 mac_id_n_color;
 	u16 tid_disable_agg;
 	u8 max_agg_bufsize;
+	bool bt_reduced_txpower;
 	spinlock_t lock;
 	atomic_t pending_frames;
 	struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT];

drivers/net/wireless/iwlwifi/mvm/time-event.c

@@ -166,7 +166,7 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
 	WARN_ONCE(!le32_to_cpu(notif->status),
 		  "Failed to schedule time event\n");
 
-	if (le32_to_cpu(notif->action) == TE_NOTIF_HOST_END) {
+	if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_END) {
 		IWL_DEBUG_TE(mvm,
 			     "TE ended - current time %lu, estimated end %lu\n",
 			     jiffies, te_data->end_jiffies);
@@ -189,7 +189,7 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
 		}
 
 		iwl_mvm_te_clear_data(mvm, te_data);
-	} else if (le32_to_cpu(notif->action) == TE_NOTIF_HOST_START) {
+	} else if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_START) {
 		te_data->running = true;
 		te_data->end_jiffies = jiffies +
 			TU_TO_JIFFIES(te_data->duration);
@@ -368,7 +368,8 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm,
 	time_cmd.interval_reciprocal = cpu_to_le32(iwl_mvm_reciprocal(1));
 	time_cmd.duration = cpu_to_le32(duration);
 	time_cmd.repeat = cpu_to_le32(1);
-	time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_START | TE_NOTIF_HOST_END);
+	time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_EVENT_START |
+				      TE_NOTIF_HOST_EVENT_END);
 
 	iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
 }
@@ -485,7 +486,8 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	time_cmd.max_delay = cpu_to_le32(MSEC_TO_TU(duration/2));
 	time_cmd.duration = cpu_to_le32(MSEC_TO_TU(duration));
 	time_cmd.repeat = cpu_to_le32(1);
-	time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_START | TE_NOTIF_HOST_END);
+	time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_EVENT_START |
+				      TE_NOTIF_HOST_EVENT_END);
 
 	return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
 }

drivers/net/wireless/iwlwifi/mvm/tx.c

@@ -205,7 +205,7 @@ static void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm,
 	rate_plcp = iwl_mvm_mac80211_idx_to_hwrate(rate_idx);
 
 	mvm->mgmt_last_antenna_idx =
-		iwl_mvm_next_antenna(mvm, mvm->nvm_data->valid_tx_ant,
+		iwl_mvm_next_antenna(mvm, iwl_fw_valid_tx_ant(mvm->fw),
 				     mvm->mgmt_last_antenna_idx);
 	rate_flags = BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS;
 
@@ -365,7 +365,7 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 	if (WARN_ON_ONCE(!mvmsta))
 		return -1;
 
-	if (WARN_ON_ONCE(mvmsta->sta_id == IWL_INVALID_STATION))
+	if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
 		return -1;
 
 	dev_cmd = iwl_mvm_set_tx_params(mvm, skb, sta, mvmsta->sta_id);
@@ -641,10 +641,12 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
 	}
 
 	IWL_DEBUG_TX_REPLY(mvm,
-			   "TXQ %d status %s (0x%08x)\n\t\t\t\tinitial_rate 0x%x "
-			    "retries %d, idx=%d ssn=%d next_reclaimed=0x%x seq_ctl=0x%x\n",
-			   txq_id, iwl_mvm_get_tx_fail_reason(status),
-			   status, le32_to_cpu(tx_resp->initial_rate),
+			   "TXQ %d status %s (0x%08x)\n",
+			   txq_id, iwl_mvm_get_tx_fail_reason(status), status);
+
+	IWL_DEBUG_TX_REPLY(mvm,
+			   "\t\t\t\tinitial_rate 0x%x retries %d, idx=%d ssn=%d next_reclaimed=0x%x seq_ctl=0x%x\n",
+			   le32_to_cpu(tx_resp->initial_rate),
 			   tx_resp->failure_frame, SEQ_TO_INDEX(sequence),
 			   ssn, next_reclaimed, seq_ctl);
 

drivers/net/wireless/iwlwifi/mvm/utils.c

@@ -462,7 +462,7 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq,
 		.data = { lq, },
 	};
 
-	if (WARN_ON(lq->sta_id == IWL_INVALID_STATION))
+	if (WARN_ON(lq->sta_id == IWL_MVM_STATION_COUNT))
 		return -EINVAL;
 
 	if (WARN_ON(init && (cmd.flags & CMD_ASYNC)))

drivers/net/wireless/iwlwifi/pcie/drv.c

@@ -241,6 +241,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
 	{IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x088F, 0x5260, iwl6035_2agn_cfg)},
 
 /* 105 Series */
 	{IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},

drivers/net/wireless/iwlwifi/pcie/tx.c

@@ -1063,7 +1063,7 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
 		iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
 
 	/* If this queue is mapped to a certain station: it is an AGG queue */
-	if (sta_id != IWL_INVALID_STATION) {
+	if (sta_id >= 0) {
 		u16 ra_tid = BUILD_RAxTID(sta_id, tid);
 
 		/* Map receiver-address / traffic-ID to this queue */