ath9k: add a few aggregation reliability fixes

SVN-Revision: 24949

package/mac80211/patches/530-ath9k_aggr_flush_fix.patch

+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -169,7 +169,7 @@ static void ath_tx_flush_tid(struct ath_
+ 			ath_tx_update_baw(sc, tid, fi->seqno);
+ 			ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
+ 		} else {
+-			ath_tx_send_normal(sc, txq, tid, &bf_head);
++			ath_tx_send_normal(sc, txq, NULL, &bf_head);
+ 		}
+ 		spin_lock_bh(&txq->axq_lock);
+ 	}

package/mac80211/patches/531-ath9k_aggr_start_fix.patch

+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -856,7 +856,7 @@ int ath_tx_aggr_start(struct ath_softc *
+ 
+ 	txtid->state |= AGGR_ADDBA_PROGRESS;
+ 	txtid->paused = true;
+-	*ssn = txtid->seq_start;
++	*ssn = txtid->seq_start = txtid->seq_next;
+ 
+ 	return 0;
+ }

package/mac80211/patches/532-ath9k_aggr_baw_init.patch

+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -858,6 +858,9 @@ int ath_tx_aggr_start(struct ath_softc *
+ 	txtid->paused = true;
+ 	*ssn = txtid->seq_start = txtid->seq_next;
+ 
++	memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf));
++	txtid->baw_head = txtid->baw_tail = 0;
++
+ 	return 0;
+ }
+