ath9k: fix regression in tx queueing patch

power save response frames can go through the old tx path, and the tid
needs to be set for sequence numbers to be assigned correctly.

Signed-off-by: Felix Fietkau <[email protected]>

package/kernel/mac80211/patches/337-ath9k-Switch-to-using-mac80211-intermediate-software.patch

@@ -807,9 +807,11 @@ Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
  		ath_draintxq(sc, txq);
  	}
  
-@@ -2335,15 +2307,12 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -2334,16 +2306,14 @@ int ath_tx_start(struct ieee80211_hw *hw
+ 	struct ath_softc *sc = hw->priv;
  	struct ath_txq *txq = txctl->txq;
  	struct ath_atx_tid *tid = NULL;
++	struct ath_node *an = NULL;
  	struct ath_buf *bf;
 -	bool queue, ps_resp;
 +	bool ps_resp;
@@ -824,16 +826,13 @@ Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
  	ps_resp = !!(info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE);
  
  	ret = ath_tx_prepare(hw, skb, txctl);
-@@ -2358,63 +2327,13 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -2358,63 +2328,18 @@ int ath_tx_start(struct ieee80211_hw *hw
  
  	q = skb_get_queue_mapping(skb);
  
-+	if (ps_resp)
-+		txq = sc->tx.uapsdq;
-+
- 	ath_txq_lock(sc, txq);
- 	if (txq == sc->tx.txq_map[q]) {
- 		fi->txq = q;
+-	ath_txq_lock(sc, txq);
+-	if (txq == sc->tx.txq_map[q]) {
+-		fi->txq = q;
 -		if (++txq->pending_frames > sc->tx.txq_max_pending[q] &&
 -		    !txq->stopped) {
 -			if (ath9k_is_chanctx_enabled())
@@ -869,14 +868,15 @@ Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
 -
 -	if (ps_resp) {
 -		ath_txq_unlock(sc, txq);
--		txq = sc->tx.uapsdq;
++	if (ps_resp)
+ 		txq = sc->tx.uapsdq;
 -		ath_txq_lock(sc, txq);
 -	} else if (txctl->an && queue) {
 -		WARN_ON(tid->txq != txctl->txq);
 -
 -		if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
 -			tid->clear_ps_filter = true;
--
+ 
 -		/*
 -		 * Add this frame to software queue for scheduling later
 -		 * for aggregation.
@@ -885,14 +885,21 @@ Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
 -		__skb_queue_tail(&tid->buf_q, skb);
 -		if (!txctl->an->sleeping)
 -			ath_tx_queue_tid(sc, txq, tid);
--
++	if (txctl->sta) {
++		an = (struct ath_node *) sta->drv_priv;
++		tid = ath_get_skb_tid(sc, an, skb);
++	}
+ 
 -		ath_txq_schedule(sc, txq);
 -		goto out;
++	ath_txq_lock(sc, txq);
++	if (txq == sc->tx.txq_map[q]) {
++		fi->txq = q;
 +		++txq->pending_frames;
  	}
  
  	bf = ath_tx_setup_buffer(sc, txq, tid, skb);
-@@ -2907,9 +2826,8 @@ void ath_tx_node_init(struct ath_softc *
+@@ -2907,9 +2832,8 @@ void ath_tx_node_init(struct ath_softc *
  	struct ath_atx_tid *tid;
  	int tidno, acno;
  
@@ -904,7 +911,7 @@ Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
  		tid->an        = an;
  		tid->tidno     = tidno;
  		tid->seq_start = tid->seq_next = 0;
-@@ -2917,11 +2835,14 @@ void ath_tx_node_init(struct ath_softc *
+@@ -2917,11 +2841,14 @@ void ath_tx_node_init(struct ath_softc *
  		tid->baw_head  = tid->baw_tail = 0;
  		tid->active	   = false;
  		tid->clear_ps_filter = true;
@@ -920,7 +927,7 @@ Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
  	}
  }
  
-@@ -2931,9 +2852,8 @@ void ath_tx_node_cleanup(struct ath_soft
+@@ -2931,9 +2858,8 @@ void ath_tx_node_cleanup(struct ath_soft
  	struct ath_txq *txq;
  	int tidno;
  
@@ -932,7 +939,7 @@ Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
  		txq = tid->txq;
  
  		ath_txq_lock(sc, txq);
-@@ -2945,6 +2865,9 @@ void ath_tx_node_cleanup(struct ath_soft
+@@ -2945,6 +2871,9 @@ void ath_tx_node_cleanup(struct ath_soft
  		tid->active = false;
  
  		ath_txq_unlock(sc, txq);