ath9k: fix a few more aggregation related issues, should improve stability

SVN-Revision: 25007

package/mac80211/patches/551-ath9k_txq_schedule_multi.patch

+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -1224,12 +1224,14 @@ void ath_tx_cleanupq(struct ath_softc *s
+ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
+ {
+ 	struct ath_atx_ac *ac;
+-	struct ath_atx_tid *tid;
++	struct ath_atx_tid *tid, *last;
+ 
+-	if (list_empty(&txq->axq_acq))
++	if (list_empty(&txq->axq_acq) ||
++	    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+ 		return;
+ 
+ 	ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
++	last = list_entry(ac->tid_q.prev, struct ath_atx_tid, list);
+ 	list_del(&ac->list);
+ 	ac->sched = false;
+ 
+@@ -1253,7 +1255,8 @@ void ath_txq_schedule(struct ath_softc *
+ 		if (!list_empty(&tid->buf_q))
+ 			ath_tx_queue_tid(txq, tid);
+ 
+-		break;
++		if (tid == last || txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
++			break;
+ 	} while (!list_empty(&ac->tid_q));
+ 
+ 	if (!list_empty(&ac->tid_q)) {

package/mac80211/patches/552-ath9k_fix_bar.patch

+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -429,7 +429,7 @@ static void ath_tx_complete_aggr(struct 
+ 
+ 	ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad);
+ 	while (bf) {
+-		txfail = txpending = 0;
++		txfail = txpending = sendbar = 0;
+ 		bf_next = bf->bf_next;
+ 
+ 		skb = bf->bf_mpdu;