openwrtv4/package/mac80211/patches/524-ath9k_aggr_status_validate.patch

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--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -287,6 +287,7 @@ static int ar9002_hw_proc_txdesc(struct
ts->ts_shortretry = MS(ads->ds_txstatus1, AR_RTSFailCnt);
ts->ts_longretry = MS(ads->ds_txstatus1, AR_DataFailCnt);
ts->ts_virtcol = MS(ads->ds_txstatus1, AR_VirtRetryCnt);
+ ts->tid = MS(ads->ds_txstatus9, AR_TxTid);
ts->ts_antenna = 0;
return 0;
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.h
@@ -33,9 +33,6 @@
#define AR_TxDescId_S 16
#define AR_TxPtrChkSum 0x0000ffff
-#define AR_TxTid 0xf0000000
-#define AR_TxTid_S 28
-
#define AR_LowRxChain 0x00004000
#define AR_Not_Sounding 0x20000000
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -485,6 +485,9 @@ struct ar5416_desc {
#define AR_TxRSSICombined 0xff000000
#define AR_TxRSSICombined_S 24
+#define AR_TxTid 0xf0000000
+#define AR_TxTid_S 28
+
#define AR_TxEVM0 ds_txstatus5
#define AR_TxEVM1 ds_txstatus6
#define AR_TxEVM2 ds_txstatus7
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -355,6 +355,14 @@ static void ath_tx_complete_aggr(struct
an = (struct ath_node *)sta->drv_priv;
tid = ATH_AN_2_TID(an, bf->bf_tidno);
+ /*
+ * The hardware occasionally sends a tx status for the wrong TID.
+ * In this case, the BA status cannot be considered valid and all
+ * subframes need to be retransmitted
+ */
+ if (bf->bf_tidno != ts->tid)
+ txok = false;
+
isaggr = bf_isaggr(bf);
memset(ba, 0, WME_BA_BMP_SIZE >> 3);