Merge tag 'iwlwifi-next-for-kalle-2016-10-25-2' of...

Merge tag 'iwlwifi-next-for-kalle-2016-10-25-2' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* Finalize and enable dynamic queue allocation;
* Use dev_coredumpmsg() to prevent locking the driver;
* Small fix to pass the AID to the FW;
* Use FW PS decisions with multi-queue;

drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h

@@ -293,6 +293,7 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t;
  *	is supported.
  * @IWL_UCODE_TLV_CAPA_BT_COEX_RRC: supports BT Coex RRC
  * @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan
+ * @IWL_UCODE_TLV_CAPA_STA_PM_NOTIF: firmware will send STA PM notification
  * @IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE: extended DTS measurement
  * @IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS: supports short PM timeouts
  * @IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT: supports bt-coex Multi-priority LUT
@@ -342,6 +343,7 @@ enum iwl_ucode_tlv_capa {
 	IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC		= (__force iwl_ucode_tlv_capa_t)29,
 	IWL_UCODE_TLV_CAPA_BT_COEX_RRC			= (__force iwl_ucode_tlv_capa_t)30,
 	IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT		= (__force iwl_ucode_tlv_capa_t)31,
+	IWL_UCODE_TLV_CAPA_STA_PM_NOTIF			= (__force iwl_ucode_tlv_capa_t)38,
 	IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE		= (__force iwl_ucode_tlv_capa_t)64,
 	IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS		= (__force iwl_ucode_tlv_capa_t)65,
 	IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT		= (__force iwl_ucode_tlv_capa_t)67,

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

@@ -474,4 +474,30 @@ struct iwl_mvm_internal_rxq_notif {
 	u8 data[];
 } __packed;
 
+/**
+ * enum iwl_mvm_pm_event - type of station PM event
+ * @IWL_MVM_PM_EVENT_AWAKE: station woke up
+ * @IWL_MVM_PM_EVENT_ASLEEP: station went to sleep
+ * @IWL_MVM_PM_EVENT_UAPSD: station sent uAPSD trigger
+ * @IWL_MVM_PM_EVENT_PS_POLL: station sent PS-Poll
+ */
+enum iwl_mvm_pm_event {
+	IWL_MVM_PM_EVENT_AWAKE,
+	IWL_MVM_PM_EVENT_ASLEEP,
+	IWL_MVM_PM_EVENT_UAPSD,
+	IWL_MVM_PM_EVENT_PS_POLL,
+}; /* PEER_PM_NTFY_API_E_VER_1 */
+
+/**
+ * struct iwl_mvm_pm_state_notification - station PM state notification
+ * @sta_id: station ID of the station changing state
+ * @type: the new powersave state, see IWL_MVM_PM_EVENT_ above
+ */
+struct iwl_mvm_pm_state_notification {
+	u8 sta_id;
+	u8 type;
+	/* private: */
+	u16 reserved;
+} __packed; /* PEER_PM_NTFY_API_S_VER_1 */
+
 #endif /* __fw_api_rx_h__ */

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

@@ -179,7 +179,7 @@ enum iwl_sta_key_flag {
  * enum iwl_sta_modify_flag - indicate to the fw what flag are being changed
  * @STA_MODIFY_QUEUE_REMOVAL: this command removes a queue
  * @STA_MODIFY_TID_DISABLE_TX: this command modifies %tid_disable_tx
- * @STA_MODIFY_TX_RATE: unused
+ * @STA_MODIFY_UAPSD_ACS: this command modifies %uapsd_trigger_acs
  * @STA_MODIFY_ADD_BA_TID: this command modifies %add_immediate_ba_tid
  * @STA_MODIFY_REMOVE_BA_TID: this command modifies %remove_immediate_ba_tid
  * @STA_MODIFY_SLEEPING_STA_TX_COUNT: this command modifies %sleep_tx_count
@@ -189,7 +189,7 @@ enum iwl_sta_key_flag {
 enum iwl_sta_modify_flag {
 	STA_MODIFY_QUEUE_REMOVAL		= BIT(0),
 	STA_MODIFY_TID_DISABLE_TX		= BIT(1),
-	STA_MODIFY_TX_RATE			= BIT(2),
+	STA_MODIFY_UAPSD_ACS			= BIT(2),
 	STA_MODIFY_ADD_BA_TID			= BIT(3),
 	STA_MODIFY_REMOVE_BA_TID		= BIT(4),
 	STA_MODIFY_SLEEPING_STA_TX_COUNT	= BIT(5),
@@ -353,6 +353,8 @@ struct iwl_mvm_add_sta_cmd_v7 {
  * @beamform_flags: beam forming controls
  * @tfd_queue_msk: tfd queues used by this station
  * @rx_ba_window: aggregation window size
+ * @scd_queue_bank: queue bank in used. Each bank contains 32 queues. 0 means
+ *	that the queues used by this station are in the first 32.
  *
  * The device contains an internal table of per-station information, with info
  * on security keys, aggregation parameters, and Tx rates for initial Tx
@@ -382,7 +384,8 @@ struct iwl_mvm_add_sta_cmd {
 	__le16 beamform_flags;
 	__le32 tfd_queue_msk;
 	__le16 rx_ba_window;
-	__le16 reserved;
+	u8 scd_queue_bank;
+	u8 uapsd_trigger_acs;
 } __packed; /* ADD_STA_CMD_API_S_VER_8 */
 
 /**

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

@@ -332,6 +332,7 @@ enum iwl_data_path_subcmd_ids {
 	DQA_ENABLE_CMD = 0x0,
 	UPDATE_MU_GROUPS_CMD = 0x1,
 	TRIGGER_RX_QUEUES_NOTIF_CMD = 0x2,
+	STA_PM_NOTIF = 0xFD,
 	MU_GROUP_MGMT_NOTIF = 0xFE,
 	RX_QUEUES_NOTIFICATION = 0xFF,
 };

drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c

@@ -70,49 +70,6 @@
 #include "iwl-prph.h"
 #include "iwl-csr.h"
 
-static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count,
-				     void *data, size_t datalen)
-{
-	const struct iwl_mvm_dump_ptrs *dump_ptrs = data;
-	ssize_t bytes_read;
-	ssize_t bytes_read_trans;
-
-	if (offset < dump_ptrs->op_mode_len) {
-		bytes_read = min_t(ssize_t, count,
-				   dump_ptrs->op_mode_len - offset);
-		memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset,
-		       bytes_read);
-		offset += bytes_read;
-		count -= bytes_read;
-
-		if (count == 0)
-			return bytes_read;
-	} else {
-		bytes_read = 0;
-	}
-
-	if (!dump_ptrs->trans_ptr)
-		return bytes_read;
-
-	offset -= dump_ptrs->op_mode_len;
-	bytes_read_trans = min_t(ssize_t, count,
-				 dump_ptrs->trans_ptr->len - offset);
-	memcpy(buffer + bytes_read,
-	       (u8 *)dump_ptrs->trans_ptr->data + offset,
-	       bytes_read_trans);
-
-	return bytes_read + bytes_read_trans;
-}
-
-static void iwl_mvm_free_coredump(void *data)
-{
-	const struct iwl_mvm_dump_ptrs *fw_error_dump = data;
-
-	vfree(fw_error_dump->op_mode_ptr);
-	vfree(fw_error_dump->trans_ptr);
-	kfree(fw_error_dump);
-}
-
 #define RADIO_REG_MAX_READ 0x2ad
 static void iwl_mvm_read_radio_reg(struct iwl_mvm *mvm,
 				   struct iwl_fw_error_dump_data **dump_data)
@@ -491,6 +448,43 @@ static u32 iwl_dump_prph(struct iwl_trans *trans,
 	return prph_len;
 }
 
+/*
+ * alloc_sgtable - allocates scallerlist table in the given size,
+ * fills it with pages and returns it
+ * @size: the size (in bytes) of the table
+*/
+static struct scatterlist *alloc_sgtable(int size)
+{
+	int alloc_size, nents, i;
+	struct page *new_page;
+	struct scatterlist *iter;
+	struct scatterlist *table;
+
+	nents = DIV_ROUND_UP(size, PAGE_SIZE);
+	table = kcalloc(nents, sizeof(*table), GFP_KERNEL);
+	if (!table)
+		return NULL;
+	sg_init_table(table, nents);
+	iter = table;
+	for_each_sg(table, iter, sg_nents(table), i) {
+		new_page = alloc_page(GFP_KERNEL);
+		if (!new_page) {
+			/* release all previous allocated pages in the table */
+			iter = table;
+			for_each_sg(table, iter, sg_nents(table), i) {
+				new_page = sg_page(iter);
+				if (new_page)
+					__free_page(new_page);
+			}
+			return NULL;
+		}
+		alloc_size = min_t(int, size, PAGE_SIZE);
+		size -= PAGE_SIZE;
+		sg_set_page(iter, new_page, alloc_size, 0);
+	}
+	return table;
+}
+
 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
 {
 	struct iwl_fw_error_dump_file *dump_file;
@@ -499,6 +493,7 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
 	struct iwl_fw_error_dump_mem *dump_mem;
 	struct iwl_fw_error_dump_trigger_desc *dump_trig;
 	struct iwl_mvm_dump_ptrs *fw_error_dump;
+	struct scatterlist *sg_dump_data;
 	u32 sram_len, sram_ofs;
 	struct iwl_fw_dbg_mem_seg_tlv * const *fw_dbg_mem =
 		mvm->fw->dbg_mem_tlv;
@@ -815,8 +810,23 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
 		file_len += fw_error_dump->trans_ptr->len;
 	dump_file->file_len = cpu_to_le32(file_len);
 
-	dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
-		      GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
+	sg_dump_data = alloc_sgtable(file_len);
+	if (sg_dump_data) {
+		sg_pcopy_from_buffer(sg_dump_data,
+				     sg_nents(sg_dump_data),
+				     fw_error_dump->op_mode_ptr,
+				     fw_error_dump->op_mode_len, 0);
+		sg_pcopy_from_buffer(sg_dump_data,
+				     sg_nents(sg_dump_data),
+				     fw_error_dump->trans_ptr->data,
+				     fw_error_dump->trans_ptr->len,
+				     fw_error_dump->op_mode_len);
+		dev_coredumpsg(mvm->trans->dev, sg_dump_data, file_len,
+			       GFP_KERNEL);
+	}
+	vfree(fw_error_dump->op_mode_ptr);
+	vfree(fw_error_dump->trans_ptr);
+	kfree(fw_error_dump);
 
 out:
 	iwl_mvm_free_fw_dump_desc(mvm);

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

@@ -499,23 +499,21 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 	if (ret)
 		return ret;
 
+	/* If DQA is supported - queues will be enabled when needed */
+	if (iwl_mvm_is_dqa_supported(mvm))
+		return 0;
+
 	switch (vif->type) {
 	case NL80211_IFTYPE_P2P_DEVICE:
-		if (!iwl_mvm_is_dqa_supported(mvm))
-			iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE,
-					      IWL_MVM_OFFCHANNEL_QUEUE,
-					      IWL_MVM_TX_FIFO_VO, 0,
-					      wdg_timeout);
+		iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE,
+				      IWL_MVM_OFFCHANNEL_QUEUE,
+				      IWL_MVM_TX_FIFO_VO, 0, wdg_timeout);
 		break;
 	case NL80211_IFTYPE_AP:
 		iwl_mvm_enable_ac_txq(mvm, vif->cab_queue, vif->cab_queue,
 				      IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout);
 		/* fall through */
 	default:
-		/* If DQA is supported - queues will be enabled when needed */
-		if (iwl_mvm_is_dqa_supported(mvm))
-			break;
-
 		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
 			iwl_mvm_enable_ac_txq(mvm, vif->hw_queue[ac],
 					      vif->hw_queue[ac],
@@ -899,9 +897,11 @@ static int iwl_mvm_mac_ctxt_cmd_listener(struct iwl_mvm *mvm,
 
 	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
 
-	for (i = 0; i < IEEE80211_NUM_ACS; i++)
-		if (vif->hw_queue[i] != IEEE80211_INVAL_HW_QUEUE)
-			tfd_queue_msk |= BIT(vif->hw_queue[i]);
+	if (!iwl_mvm_is_dqa_supported(mvm)) {
+		for (i = 0; i < IEEE80211_NUM_ACS; i++)
+			if (vif->hw_queue[i] != IEEE80211_INVAL_HW_QUEUE)
+				tfd_queue_msk |= BIT(vif->hw_queue[i]);
+	}
 
 	cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_PROMISC |
 				       MAC_FILTER_IN_CONTROL_AND_MGMT |

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

@@ -445,6 +445,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
 	if (iwl_mvm_has_new_rx_api(mvm))
 		ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_STA_PM_NOTIF))
+		ieee80211_hw_set(hw, AP_LINK_PS);
 
 	if (mvm->trans->num_rx_queues > 1)
 		ieee80211_hw_set(hw, USES_RSS);
@@ -2097,6 +2099,22 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
 	if (ret)
 		goto out_unbind;
 
+	/* enable the multicast queue, now that we have a station for it */
+	if (iwl_mvm_is_dqa_supported(mvm)) {
+		unsigned int wdg_timeout =
+			iwl_mvm_get_wd_timeout(mvm, vif, false, false);
+		struct iwl_trans_txq_scd_cfg cfg = {
+			.fifo = IWL_MVM_TX_FIFO_MCAST,
+			.sta_id = mvmvif->bcast_sta.sta_id,
+			.tid = IWL_MAX_TID_COUNT,
+			.aggregate = false,
+			.frame_limit = IWL_FRAME_LIMIT,
+		};
+
+		iwl_mvm_enable_txq(mvm, vif->cab_queue, vif->cab_queue, 0,
+				   &cfg, wdg_timeout);
+	}
+
 	/* must be set before quota calculations */
 	mvmvif->ap_ibss_active = true;
 
@@ -2318,10 +2336,9 @@ iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
 					  tids, more_data, true);
 }
 
-static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
-				   struct ieee80211_vif *vif,
-				   enum sta_notify_cmd cmd,
-				   struct ieee80211_sta *sta)
+static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
+				     enum sta_notify_cmd cmd,
+				     struct ieee80211_sta *sta)
 {
 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
@@ -2374,6 +2391,67 @@ static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
 	spin_unlock_bh(&mvmsta->lock);
 }
 
+static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
+				   struct ieee80211_vif *vif,
+				   enum sta_notify_cmd cmd,
+				   struct ieee80211_sta *sta)
+{
+	__iwl_mvm_mac_sta_notify(hw, cmd, sta);
+}
+
+void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
+{
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
+	struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data;
+	struct ieee80211_sta *sta;
+	struct iwl_mvm_sta *mvmsta;
+	bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE);
+
+	if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)))
+		return;
+
+	rcu_read_lock();
+	sta = mvm->fw_id_to_mac_id[notif->sta_id];
+	if (WARN_ON(IS_ERR_OR_NULL(sta))) {
+		rcu_read_unlock();
+		return;
+	}
+
+	mvmsta = iwl_mvm_sta_from_mac80211(sta);
+
+	if (!mvmsta->vif ||
+	    mvmsta->vif->type != NL80211_IFTYPE_AP) {
+		rcu_read_unlock();
+		return;
+	}
+
+	if (mvmsta->sleeping != sleeping) {
+		mvmsta->sleeping = sleeping;
+		__iwl_mvm_mac_sta_notify(mvm->hw,
+			sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE,
+			sta);
+		ieee80211_sta_ps_transition(sta, sleeping);
+	}
+
+	if (sleeping) {
+		switch (notif->type) {
+		case IWL_MVM_PM_EVENT_AWAKE:
+		case IWL_MVM_PM_EVENT_ASLEEP:
+			break;
+		case IWL_MVM_PM_EVENT_UAPSD:
+			ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS);
+			break;
+		case IWL_MVM_PM_EVENT_PS_POLL:
+			ieee80211_sta_pspoll(sta);
+			break;
+		default:
+			break;
+		}
+	}
+
+	rcu_read_unlock();
+}
+
 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
 				       struct ieee80211_vif *vif,
 				       struct ieee80211_sta *sta)

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

@@ -1111,9 +1111,8 @@ static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 
 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
 {
-	/* Make sure DQA isn't allowed in driver until feature is complete */
-	return false && fw_has_capa(&mvm->fw->ucode_capa,
-				    IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
+	return fw_has_capa(&mvm->fw->ucode_capa,
+			   IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
 }
 
 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
@@ -1418,6 +1417,7 @@ void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
 				    struct iwl_rx_cmd_buffer *rxb);
 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
 			       struct iwl_rx_cmd_buffer *rxb);
+void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
 				 struct iwl_rx_cmd_buffer *rxb);
 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,

drivers/net/wireless/intel/iwlwifi/mvm/ops.c

@@ -306,6 +306,8 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
 		       iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC),
 	RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
 		       iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC),
+	RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
+		       iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC),
 };
 #undef RX_HANDLER
 #undef RX_HANDLER_GRP
@@ -452,6 +454,7 @@ static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
 	HCMD_NAME(UPDATE_MU_GROUPS_CMD),
 	HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
+	HCMD_NAME(STA_PM_NOTIF),
 	HCMD_NAME(MU_GROUP_MGMT_NOTIF),
 	HCMD_NAME(RX_QUEUES_NOTIFICATION),
 };

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

@@ -202,6 +202,20 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 		cpu_to_le32(agg_size << STA_FLG_MAX_AGG_SIZE_SHIFT);
 	add_sta_cmd.station_flags |=
 		cpu_to_le32(mpdu_dens << STA_FLG_AGG_MPDU_DENS_SHIFT);
+	add_sta_cmd.assoc_id = cpu_to_le16(sta->aid);
+
+	if (sta->wme) {
+		add_sta_cmd.modify_mask |= STA_MODIFY_UAPSD_ACS;
+
+		if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
+			add_sta_cmd.uapsd_trigger_acs |= BIT(AC_BK);
+		if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
+			add_sta_cmd.uapsd_trigger_acs |= BIT(AC_BE);
+		if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
+			add_sta_cmd.uapsd_trigger_acs |= BIT(AC_VI);
+		if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
+			add_sta_cmd.uapsd_trigger_acs |= BIT(AC_VO);
+	}
 
 	status = ADD_STA_SUCCESS;
 	ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA,
@@ -875,12 +889,17 @@ static void iwl_mvm_change_queue_owner(struct iwl_mvm *mvm, int queue)
 	cmd.tx_fifo = iwl_mvm_ac_to_tx_fifo[tid_to_mac80211_ac[tid]];
 
 	ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), &cmd);
-	if (ret)
+	if (ret) {
 		IWL_ERR(mvm, "Failed to update owner of TXQ %d (ret=%d)\n",
 			queue, ret);
-	else
-		IWL_DEBUG_TX_QUEUES(mvm, "Changed TXQ %d ownership to tid %d\n",
-				    queue, tid);
+		return;
+	}
+
+	spin_lock_bh(&mvm->queue_info_lock);
+	mvm->queue_info[queue].txq_tid = tid;
+	spin_unlock_bh(&mvm->queue_info_lock);
+	IWL_DEBUG_TX_QUEUES(mvm, "Changed TXQ %d ownership to tid %d\n",
+			    queue, tid);
 }
 
 static void iwl_mvm_unshare_queue(struct iwl_mvm *mvm, int queue)
@@ -1010,6 +1029,7 @@ static void iwl_mvm_tx_deferred_stream(struct iwl_mvm *mvm,
 	local_bh_disable();
 	spin_lock(&mvmsta->lock);
 	skb_queue_splice_init(&tid_data->deferred_tx_frames, &deferred_tx);
+	mvmsta->deferred_traffic_tid_map &= ~BIT(tid);
 	spin_unlock(&mvmsta->lock);
 
 	while ((skb = __skb_dequeue(&deferred_tx)))
@@ -1489,12 +1509,15 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm,
 		ret = iwl_mvm_drain_sta(mvm, mvm_sta, false);
 
 		/* If DQA is supported - the queues can be disabled now */
-		if (iwl_mvm_is_dqa_supported(mvm)) {
+		if (iwl_mvm_is_dqa_supported(mvm))
+			iwl_mvm_disable_sta_queues(mvm, vif, mvm_sta);
+
+		/* If there is a TXQ still marked as reserved - free it */
+		if (iwl_mvm_is_dqa_supported(mvm) &&
+		    mvm_sta->reserved_queue != IEEE80211_INVAL_HW_QUEUE) {
 			u8 reserved_txq = mvm_sta->reserved_queue;
 			enum iwl_mvm_queue_status *status;
 
-			iwl_mvm_disable_sta_queues(mvm, vif, mvm_sta);
-
 			/*
 			 * If no traffic has gone through the reserved TXQ - it
 			 * is still marked as IWL_MVM_QUEUE_RESERVED, and

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

@@ -436,6 +436,7 @@ struct iwl_mvm_sta {
 
 	bool disable_tx;
 	bool tlc_amsdu;
+	bool sleeping;
 	u8 agg_tids;
 	u8 sleep_tx_count;
 	u8 avg_energy;

drivers/net/wireless/intel/iwlwifi/pcie/trans.c

@@ -1598,6 +1598,29 @@ static void iwl_pcie_irq_set_affinity(struct iwl_trans *trans)
 	}
 }
 
+static const char *queue_name(struct device *dev,
+			      struct iwl_trans_pcie *trans_p, int i)
+{
+	if (trans_p->shared_vec_mask) {
+		int vec = trans_p->shared_vec_mask &
+			  IWL_SHARED_IRQ_FIRST_RSS ? 1 : 0;
+
+		if (i == 0)
+			return DRV_NAME ": shared IRQ";
+
+		return devm_kasprintf(dev, GFP_KERNEL,
+				      DRV_NAME ": queue %d", i + vec);
+	}
+	if (i == 0)
+		return DRV_NAME ": default queue";
+
+	if (i == trans_p->alloc_vecs - 1)
+		return DRV_NAME ": exception";
+
+	return devm_kasprintf(dev, GFP_KERNEL,
+			      DRV_NAME  ": queue %d", i);
+}
+
 static int iwl_pcie_init_msix_handler(struct pci_dev *pdev,
 				      struct iwl_trans_pcie *trans_pcie)
 {
@@ -1606,6 +1629,10 @@ static int iwl_pcie_init_msix_handler(struct pci_dev *pdev,
 	for (i = 0; i < trans_pcie->alloc_vecs; i++) {
 		int ret;
 		struct msix_entry *msix_entry;
+		const char *qname = queue_name(&pdev->dev, trans_pcie, i);
+
+		if (!qname)
+			return -ENOMEM;
 
 		msix_entry = &trans_pcie->msix_entries[i];
 		ret = devm_request_threaded_irq(&pdev->dev,
@@ -1615,7 +1642,7 @@ static int iwl_pcie_init_msix_handler(struct pci_dev *pdev,
 						iwl_pcie_irq_msix_handler :
 						iwl_pcie_irq_rx_msix_handler,
 						IRQF_SHARED,
-						DRV_NAME,
+						qname,
 						msix_entry);
 		if (ret) {
 			IWL_ERR(trans_pcie->trans,