Merge tag 'wireless-2023-01-12' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Johannes Berg says:

====================
Some fixes, stack only for now:
* iTXQ conversion fixes, various bugs reported
* properly reset multiple BSSID settings
* fix for a link_sta crash
* fix for AP VLAN checks
* fix for MLO address translation

* tag 'wireless-2023-01-12' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: fix MLO + AP_VLAN check
mac80211: Fix MLO address translation for multiple bss case
wifi: mac80211: reset multiple BSSID options in stop_ap()
wifi: mac80211: Fix iTXQ AMPDU fragmentation handling
wifi: mac80211: sdata can be NULL during AMPDU start
wifi: mac80211: Proper mark iTXQs for resumption
wifi: mac80211: fix initialization of rx->link and rx->link_sta
====================

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

include/net/mac80211.h

···
  * @drv_priv: data area for driver use, will always be aligned to
  *	sizeof(void \*).
  * @txq: the multicast data TX queue
- * @txqs_stopped: per AC flag to indicate that intermediate TXQs are stopped,
- *	protected by fq->lock.
  * @offload_flags: 802.3 -> 802.11 enapsulation offload flags, see
  *	&enum ieee80211_offload_flags.
  * @mbssid_tx_vif: Pointer to the transmitting interface if MBSSID is enabled.
···
 
 	bool probe_req_reg;
 	bool rx_mcast_action_reg;
-
-	bool txqs_stopped[IEEE80211_NUM_ACS];
 
 	struct ieee80211_vif *mbssid_tx_vif;
 

net/mac80211/agg-tx.c

···
 {
 	struct tid_ampdu_tx *tid_tx;
 	struct ieee80211_local *local = sta->local;
-	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_ampdu_params params = {
 		.sta = &sta->sta,
 		.action = IEEE80211_AMPDU_TX_START,
···
 	 */
 	clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state);
 
-	ieee80211_agg_stop_txq(sta, tid);
-
 	/*
 	 * Make sure no packets are being processed. This ensures that
 	 * we have a valid starting sequence number and that in-flight
···
 	 */
 	synchronize_net();
 
+	sdata = sta->sdata;
 	params.ssn = sta->tid_seq[tid] >> 4;
 	ret = drv_ampdu_action(local, sdata, &params);
 	tid_tx->ssn = params.ssn;
···
 		 */
 		set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state);
 	} else if (ret) {
+		if (!sdata)
+			return;
+
 		ht_dbg(sdata,
 		       "BA request denied - HW unavailable for %pM tid %d\n",
 		       sta->sta.addr, tid);

net/mac80211/cfg.c

···
 	link_conf->bssid_index = 0;
 	link_conf->nontransmitted = false;
 	link_conf->ema_ap = false;
+	link_conf->bssid_indicator = 0;
 
 	if (sdata->vif.type != NL80211_IFTYPE_AP || !params.tx_wdev)
 		return -EINVAL;
···
 
 	kfree(link_conf->ftmr_params);
 	link_conf->ftmr_params = NULL;
+
+	sdata->vif.mbssid_tx_vif = NULL;
+	link_conf->bssid_index = 0;
+	link_conf->nontransmitted = false;
+	link_conf->ema_ap = false;
+	link_conf->bssid_indicator = 0;
 
 	__sta_info_flush(sdata, true);
 	ieee80211_free_keys(sdata, true);

net/mac80211/debugfs_sta.c

···
 			continue;
 		txqi = to_txq_info(sta->sta.txq[i]);
 		p += scnprintf(p, bufsz + buf - p,
-			       "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n",
+			       "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s%s)\n",
 			       txqi->txq.tid,
 			       txqi->txq.ac,
 			       txqi->tin.backlog_bytes,
···
 			       txqi->flags,
 			       test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN",
 			       test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "",
-			       test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "");
+			       test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "",
+			       test_bit(IEEE80211_TXQ_DIRTY, &txqi->flags) ? " DIRTY" : "");
 	}
 
 	rcu_read_unlock();

net/mac80211/driver-ops.c

···
 
 	might_sleep();
 
+	if (!sdata)
+		return -EIO;
+
 	sdata = get_bss_sdata(sdata);
 	if (!check_sdata_in_driver(sdata))
 		return -EIO;

net/mac80211/driver-ops.h

···
 
 	/* In reconfig don't transmit now, but mark for waking later */
 	if (local->in_reconfig) {
-		set_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txq->flags);
+		set_bit(IEEE80211_TXQ_DIRTY, &txq->flags);
 		return;
 	}
 

net/mac80211/ht.c

···
 
 		tid_tx = sta->ampdu_mlme.tid_start_tx[tid];
 		if (!blocked && tid_tx) {
+			struct txq_info *txqi = to_txq_info(sta->sta.txq[tid]);
+			struct ieee80211_sub_if_data *sdata =
+				vif_to_sdata(txqi->txq.vif);
+			struct fq *fq = &sdata->local->fq;
+
+			spin_lock_bh(&fq->lock);
+
+			/* Allow only frags to be dequeued */
+			set_bit(IEEE80211_TXQ_STOP, &txqi->flags);
+
+			if (!skb_queue_empty(&txqi->frags)) {
+				/* Fragmented Tx is ongoing, wait for it to
+				 * finish. Reschedule worker to retry later.
+				 */
+
+				spin_unlock_bh(&fq->lock);
+				spin_unlock_bh(&sta->lock);
+
+				/* Give the task working on the txq a chance
+				 * to send out the queued frags
+				 */
+				synchronize_net();
+
+				mutex_unlock(&sta->ampdu_mlme.mtx);
+
+				ieee80211_queue_work(&sdata->local->hw, work);
+				return;
+			}
+
+			spin_unlock_bh(&fq->lock);
+
 			/*
 			 * Assign it over to the normal tid_tx array
 			 * where it "goes live".

net/mac80211/ieee80211_i.h

···
 	IEEE80211_TXQ_STOP,
 	IEEE80211_TXQ_AMPDU,
 	IEEE80211_TXQ_NO_AMSDU,
-	IEEE80211_TXQ_STOP_NETIF_TX,
+	IEEE80211_TXQ_DIRTY,
 };
 
 /**

net/mac80211/iface.c

···
 
 			/* No support for VLAN with MLO yet */
 			if (iftype == NL80211_IFTYPE_AP_VLAN &&
-			    nsdata->wdev.use_4addr)
+			    sdata->wdev.use_4addr &&
+			    nsdata->vif.type == NL80211_IFTYPE_AP &&
+			    nsdata->vif.valid_links)
 				return -EOPNOTSUPP;
 
 			/*

net/mac80211/rx.c

···
 #undef CALL_RXH
 }
 
+static bool
+ieee80211_rx_is_valid_sta_link_id(struct ieee80211_sta *sta, u8 link_id)
+{
+	if (!sta->mlo)
+		return false;
+
+	return !!(sta->valid_links & BIT(link_id));
+}
+
+static bool ieee80211_rx_data_set_link(struct ieee80211_rx_data *rx,
+				       u8 link_id)
+{
+	rx->link_id = link_id;
+	rx->link = rcu_dereference(rx->sdata->link[link_id]);
+
+	if (!rx->sta)
+		return rx->link;
+
+	if (!ieee80211_rx_is_valid_sta_link_id(&rx->sta->sta, link_id))
+		return false;
+
+	rx->link_sta = rcu_dereference(rx->sta->link[link_id]);
+
+	return rx->link && rx->link_sta;
+}
+
+static bool ieee80211_rx_data_set_sta(struct ieee80211_rx_data *rx,
+				      struct ieee80211_sta *pubsta,
+				      int link_id)
+{
+	struct sta_info *sta;
+
+	sta = container_of(pubsta, struct sta_info, sta);
+
+	rx->link_id = link_id;
+	rx->sta = sta;
+
+	if (sta) {
+		rx->local = sta->sdata->local;
+		if (!rx->sdata)
+			rx->sdata = sta->sdata;
+		rx->link_sta = &sta->deflink;
+	}
+
+	if (link_id < 0)
+		rx->link = &rx->sdata->deflink;
+	else if (!ieee80211_rx_data_set_link(rx, link_id))
+		return false;
+
+	return true;
+}
+
 /*
  * This function makes calls into the RX path, therefore
  * it has to be invoked under RCU read lock.
···
 {
 	struct sk_buff_head frames;
 	struct ieee80211_rx_data rx = {
-		.sta = sta,
-		.sdata = sta->sdata,
-		.local = sta->local,
 		/* This is OK -- must be QoS data frame */
 		.security_idx = tid,
 		.seqno_idx = tid,
-		.link_id = -1,
 	};
 	struct tid_ampdu_rx *tid_agg_rx;
-	u8 link_id;
+	int link_id = -1;
+
+	/* FIXME: statistics won't be right with this */
+	if (sta->sta.valid_links)
+		link_id = ffs(sta->sta.valid_links) - 1;
+
+	if (!ieee80211_rx_data_set_sta(&rx, &sta->sta, link_id))
+		return;
 
 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);
 	if (!tid_agg_rx)
···
 		};
 		drv_event_callback(rx.local, rx.sdata, &event);
 	}
-	/* FIXME: statistics won't be right with this */
-	link_id = sta->sta.valid_links ? ffs(sta->sta.valid_links) - 1 : 0;
-	rx.link = rcu_dereference(sta->sdata->link[link_id]);
-	rx.link_sta = rcu_dereference(sta->link[link_id]);
 
 	ieee80211_rx_handlers(&rx, &frames);
 }
···
 		/* This is OK -- must be QoS data frame */
 		.security_idx = tid,
 		.seqno_idx = tid,
-		.link_id = -1,
 	};
 	int i, diff;
 
···
 
 	sta = container_of(pubsta, struct sta_info, sta);
 
-	rx.sta = sta;
-	rx.sdata = sta->sdata;
-	rx.link = &rx.sdata->deflink;
-	rx.local = sta->local;
+	if (!ieee80211_rx_data_set_sta(&rx, pubsta, -1))
+		return;
 
 	rcu_read_lock();
 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);
···
 	mutex_unlock(&local->sta_mtx);
 }
 
-static bool
-ieee80211_rx_is_valid_sta_link_id(struct ieee80211_sta *sta, u8 link_id)
-{
-	if (!sta->mlo)
-		return false;
-
-	return !!(sta->valid_links & BIT(link_id));
-}
-
 static void ieee80211_rx_8023(struct ieee80211_rx_data *rx,
 			      struct ieee80211_fast_rx *fast_rx,
 			      int orig_len)
···
 	struct sk_buff *skb = rx->skb;
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
-	struct sta_info *sta = rx->sta;
 	int orig_len = skb->len;
 	int hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	int snap_offs = hdrlen;
···
 		u8 da[ETH_ALEN];
 		u8 sa[ETH_ALEN];
 	} addrs __aligned(2);
-	struct link_sta_info *link_sta;
 	struct ieee80211_sta_rx_stats *stats;
 
 	/* for parallel-rx, we need to have DUP_VALIDATED, otherwise we write
···
  drop:
 	dev_kfree_skb(skb);
 
-	if (rx->link_id >= 0) {
-		link_sta = rcu_dereference(sta->link[rx->link_id]);
-		if (!link_sta)
-			return true;
-	} else {
-		link_sta = &sta->deflink;
-	}
-
 	if (fast_rx->uses_rss)
-		stats = this_cpu_ptr(link_sta->pcpu_rx_stats);
+		stats = this_cpu_ptr(rx->link_sta->pcpu_rx_stats);
 	else
-		stats = &link_sta->rx_stats;
+		stats = &rx->link_sta->rx_stats;
 
 	stats->dropped++;
 	return true;
···
 	struct ieee80211_local *local = rx->local;
 	struct ieee80211_sub_if_data *sdata = rx->sdata;
 	struct ieee80211_hdr *hdr = (void *)skb->data;
-	struct link_sta_info *link_sta = NULL;
-	struct ieee80211_link_data *link;
+	struct link_sta_info *link_sta = rx->link_sta;
+	struct ieee80211_link_data *link = rx->link;
 
 	rx->skb = skb;
 
···
 	if (!ieee80211_accept_frame(rx))
 		return false;
 
-	if (rx->link_id >= 0) {
-		link = rcu_dereference(rx->sdata->link[rx->link_id]);
-
-		/* we might race link removal */
-		if (!link)
-			return true;
-		rx->link = link;
-
-		if (rx->sta) {
-			rx->link_sta =
-				rcu_dereference(rx->sta->link[rx->link_id]);
-			if (!rx->link_sta)
-				return true;
-		}
-	} else {
-		if (rx->sta)
-			rx->link_sta = &rx->sta->deflink;
-
-		rx->link = &sdata->deflink;
-	}
-
-	if (unlikely(!is_multicast_ether_addr(hdr->addr1) &&
-		     rx->link_id >= 0 && rx->sta && rx->sta->sta.mlo)) {
-		link_sta = rcu_dereference(rx->sta->link[rx->link_id]);
-
-		if (WARN_ON_ONCE(!link_sta))
-			return true;
-	}
-
 	if (!consume) {
 		struct skb_shared_hwtstamps *shwt;
 
···
 		 */
 		shwt = skb_hwtstamps(rx->skb);
 		shwt->hwtstamp = skb_hwtstamps(skb)->hwtstamp;
+
+		/* Update the hdr pointer to the new skb for translation below */
+		hdr = (struct ieee80211_hdr *)rx->skb->data;
 	}
 
-	if (unlikely(link_sta)) {
+	if (unlikely(rx->sta && rx->sta->sta.mlo)) {
 		/* translate to MLD addresses */
 		if (ether_addr_equal(link->conf->addr, hdr->addr1))
 			ether_addr_copy(hdr->addr1, rx->sdata->vif.addr);
···
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	struct ieee80211_fast_rx *fast_rx;
 	struct ieee80211_rx_data rx;
+	int link_id = -1;
 
 	memset(&rx, 0, sizeof(rx));
 	rx.skb = skb;
···
 	if (!pubsta)
 		goto drop;
 
-	rx.sta = container_of(pubsta, struct sta_info, sta);
-	rx.sdata = rx.sta->sdata;
-
-	if (status->link_valid &&
-	    !ieee80211_rx_is_valid_sta_link_id(pubsta, status->link_id))
-		goto drop;
+	if (status->link_valid)
+		link_id = status->link_id;
 
 	/*
 	 * TODO: Should the frame be dropped if the right link_id is not
···
 	 * link_id is used only for stats purpose and updating the stats on
 	 * the deflink is fine?
 	 */
-	if (status->link_valid)
-		rx.link_id = status->link_id;
-
-	if (rx.link_id >= 0) {
-		struct ieee80211_link_data *link;
-
-		link =  rcu_dereference(rx.sdata->link[rx.link_id]);
-		if (!link)
-			goto drop;
-		rx.link = link;
-	} else {
-		rx.link = &rx.sdata->deflink;
-	}
+	if (!ieee80211_rx_data_set_sta(&rx, pubsta, link_id))
+		goto drop;
 
 	fast_rx = rcu_dereference(rx.sta->fast_rx);
 	if (!fast_rx)
···
 {
 	struct link_sta_info *link_sta;
 	struct ieee80211_hdr *hdr = (void *)skb->data;
+	struct sta_info *sta;
+	int link_id = -1;
 
 	/*
 	 * Look up link station first, in case there's a
···
 	 */
 	link_sta = link_sta_info_get_bss(rx->sdata, hdr->addr2);
 	if (link_sta) {
-		rx->sta = link_sta->sta;
-		rx->link_id = link_sta->link_id;
+		sta = link_sta->sta;
+		link_id = link_sta->link_id;
 	} else {
 		struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 
-		rx->sta = sta_info_get_bss(rx->sdata, hdr->addr2);
-		if (rx->sta) {
-			if (status->link_valid &&
-			    !ieee80211_rx_is_valid_sta_link_id(&rx->sta->sta,
-							       status->link_id))
-				return false;
-
-			rx->link_id = status->link_valid ? status->link_id : -1;
-		} else {
-			rx->link_id = -1;
-		}
+		sta = sta_info_get_bss(rx->sdata, hdr->addr2);
+		if (status->link_valid)
+			link_id = status->link_id;
 	}
+
+	if (!ieee80211_rx_data_set_sta(rx, &sta->sta, link_id))
+		return false;
 
 	return ieee80211_prepare_and_rx_handle(rx, skb, consume);
 }
···
 
 	if (ieee80211_is_data(fc)) {
 		struct sta_info *sta, *prev_sta;
-		u8 link_id = status->link_id;
+		int link_id = -1;
+
+		if (status->link_valid)
+			link_id = status->link_id;
 
 		if (pubsta) {
-			rx.sta = container_of(pubsta, struct sta_info, sta);
-			rx.sdata = rx.sta->sdata;
-
-			if (status->link_valid &&
-			    !ieee80211_rx_is_valid_sta_link_id(pubsta, link_id))
+			if (!ieee80211_rx_data_set_sta(&rx, pubsta, link_id))
 				goto out;
-
-			if (status->link_valid)
-				rx.link_id = status->link_id;
 
 			/*
 			 * In MLO connection, fetch the link_id using addr2
···
 				if (!link_sta)
 					goto out;
 
-				rx.link_id = link_sta->link_id;
+				ieee80211_rx_data_set_link(&rx, link_sta->link_id);
 			}
 
 			if (ieee80211_prepare_and_rx_handle(&rx, skb, true))
···
 				continue;
 			}
 
-			if ((status->link_valid &&
-			     !ieee80211_rx_is_valid_sta_link_id(&prev_sta->sta,
-								link_id)) ||
-			    (!status->link_valid && prev_sta->sta.mlo))
+			rx.sdata = prev_sta->sdata;
+			if (!ieee80211_rx_data_set_sta(&rx, &prev_sta->sta,
+						       link_id))
+				goto out;
+
+			if (!status->link_valid && prev_sta->sta.mlo)
 				continue;
 
-			rx.link_id = status->link_valid ? link_id : -1;
-			rx.sta = prev_sta;
-			rx.sdata = prev_sta->sdata;
 			ieee80211_prepare_and_rx_handle(&rx, skb, false);
 
 			prev_sta = sta;
 		}
 
 		if (prev_sta) {
-			if ((status->link_valid &&
-			     !ieee80211_rx_is_valid_sta_link_id(&prev_sta->sta,
-								link_id)) ||
-			    (!status->link_valid && prev_sta->sta.mlo))
+			rx.sdata = prev_sta->sdata;
+			if (!ieee80211_rx_data_set_sta(&rx, &prev_sta->sta,
+						       link_id))
 				goto out;
 
-			rx.link_id = status->link_valid ? link_id : -1;
-			rx.sta = prev_sta;
-			rx.sdata = prev_sta->sdata;
+			if (!status->link_valid && prev_sta->sta.mlo)
+				goto out;
 
 			if (ieee80211_prepare_and_rx_handle(&rx, skb, true))
 				return;

net/mac80211/tx.c

···
 	struct sk_buff *purge_skb = NULL;
 
 	if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
-		info->flags |= IEEE80211_TX_CTL_AMPDU;
 		reset_agg_timer = true;
 	} else if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) {
 		/*
···
 		if (!tid_tx) {
 			/* do nothing, let packet pass through */
 		} else if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
-			info->flags |= IEEE80211_TX_CTL_AMPDU;
 			reset_agg_timer = true;
 		} else {
 			queued = true;
···
 	info->band = fast_tx->band;
 	info->control.vif = &sdata->vif;
 	info->flags = IEEE80211_TX_CTL_FIRST_FRAGMENT |
-		      IEEE80211_TX_CTL_DONTFRAG |
-		      (ampdu ? IEEE80211_TX_CTL_AMPDU : 0);
+		      IEEE80211_TX_CTL_DONTFRAG;
 	info->control.flags = IEEE80211_TX_CTRL_FAST_XMIT |
 			      u32_encode_bits(IEEE80211_LINK_UNSPECIFIED,
 					      IEEE80211_TX_CTRL_MLO_LINK);
···
 	struct ieee80211_tx_data tx;
 	ieee80211_tx_result r;
 	struct ieee80211_vif *vif = txq->vif;
+	int q = vif->hw_queue[txq->ac];
+	bool q_stopped;
 
 	WARN_ON_ONCE(softirq_count() == 0);
 
···
 		return NULL;
 
 begin:
-	spin_lock_bh(&fq->lock);
+	spin_lock(&local->queue_stop_reason_lock);
+	q_stopped = local->queue_stop_reasons[q];
+	spin_unlock(&local->queue_stop_reason_lock);
 
-	if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ||
-	    test_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txqi->flags))
-		goto out;
-
-	if (vif->txqs_stopped[txq->ac]) {
-		set_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txqi->flags);
-		goto out;
+	if (unlikely(q_stopped)) {
+		/* mark for waking later */
+		set_bit(IEEE80211_TXQ_DIRTY, &txqi->flags);
+		return NULL;
 	}
+
+	spin_lock_bh(&fq->lock);
 
 	/* Make sure fragments stay together. */
 	skb = __skb_dequeue(&txqi->frags);
···
 		IEEE80211_SKB_CB(skb)->control.flags &=
 			~IEEE80211_TX_INTCFL_NEED_TXPROCESSING;
 	} else {
+		if (unlikely(test_bit(IEEE80211_TXQ_STOP, &txqi->flags)))
+			goto out;
+
 		skb = fq_tin_dequeue(fq, tin, fq_tin_dequeue_func);
 	}
 
···
 	}
 
 	if (test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags))
-		info->flags |= IEEE80211_TX_CTL_AMPDU;
-	else
-		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
+		info->flags |= (IEEE80211_TX_CTL_AMPDU |
+				IEEE80211_TX_CTL_DONTFRAG);
 
 	if (info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {
 		if (!ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
···
 
 	info = IEEE80211_SKB_CB(skb);
 	memset(info, 0, sizeof(*info));
-	if (tid_tx)
-		info->flags |= IEEE80211_TX_CTL_AMPDU;
 
 	info->hw_queue = sdata->vif.hw_queue[queue];
 

net/mac80211/util.c

···
 			       struct ieee80211_sub_if_data *sdata,
 			       struct ieee80211_txq *queue)
 {
-	int q = sdata->vif.hw_queue[queue->ac];
 	struct ieee80211_tx_control control = {
 		.sta = queue->sta,
 	};
 	struct sk_buff *skb;
-	unsigned long flags;
-	bool q_stopped;
 
 	while (1) {
-		spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
-		q_stopped = local->queue_stop_reasons[q];
-		spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
-
-		if (q_stopped)
-			break;
-
 		skb = ieee80211_tx_dequeue(&local->hw, queue);
 		if (!skb)
 			break;
···
 	local_bh_disable();
 	spin_lock(&fq->lock);
 
-	sdata->vif.txqs_stopped[ac] = false;
-
 	if (!test_bit(SDATA_STATE_RUNNING, &sdata->state))
 		goto out;
 
···
 			if (ac != txq->ac)
 				continue;
 
-			if (!test_and_clear_bit(IEEE80211_TXQ_STOP_NETIF_TX,
+			if (!test_and_clear_bit(IEEE80211_TXQ_DIRTY,
 						&txqi->flags))
 				continue;
 
···
 
 	txqi = to_txq_info(vif->txq);
 
-	if (!test_and_clear_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txqi->flags) ||
+	if (!test_and_clear_bit(IEEE80211_TXQ_DIRTY, &txqi->flags) ||
 	    (ps && atomic_read(&ps->num_sta_ps)) || ac != vif->txq->ac)
 		goto out;
 
···
 				   bool refcounted)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
-	struct ieee80211_sub_if_data *sdata;
-	int n_acs = IEEE80211_NUM_ACS;
 
 	trace_stop_queue(local, queue, reason);
 
···
 	else
 		local->q_stop_reasons[queue][reason]++;
 
-	if (__test_and_set_bit(reason, &local->queue_stop_reasons[queue]))
-		return;
-
-	if (local->hw.queues < IEEE80211_NUM_ACS)
-		n_acs = 1;
-
-	rcu_read_lock();
-	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-		int ac;
-
-		if (!sdata->dev)
-			continue;
-
-		for (ac = 0; ac < n_acs; ac++) {
-			if (sdata->vif.hw_queue[ac] == queue ||
-			    sdata->vif.cab_queue == queue) {
-				spin_lock(&local->fq.lock);
-				sdata->vif.txqs_stopped[ac] = true;
-				spin_unlock(&local->fq.lock);
-			}
-		}
-	}
-	rcu_read_unlock();
+	set_bit(reason, &local->queue_stop_reasons[queue]);
 }
 
 void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,