openwrt/package/mac80211/patches/571-ath9k_beacon_fix.patch

--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath
 static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
 				 struct ath_tx_status *ts)
 {
-	struct ar9003_txc *txc = (struct ar9003_txc *) ds;
 	struct ar9003_txs *ads;
 	u32 status;
 
@@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct 
 	if ((status & AR_TxDone) == 0)
 		return -EINPROGRESS;
 
-	ts->qid = MS(ads->ds_info, AR_TxQcuNum);
-	if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
-		ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-	else
-		return -ENOENT;
+	ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
 
 	if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
 	    (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
@@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct 
 	ts->ts_seqnum = MS(status, AR_SeqNum);
 	ts->tid = MS(status, AR_TxTid);
 
+	ts->qid = MS(ads->ds_info, AR_TxQcuNum);
 	ts->desc_id = MS(ads->status1, AR_TxDescId);
 	ts->ts_tstamp = ads->status4;
 	ts->ts_status = 0;
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_
 	info.txpower = MAX_RATE_POWER;
 	info.keyix = ATH9K_TXKEYIX_INVALID;
 	info.keytype = ATH9K_KEY_TYPE_CLEAR;
-	info.flags = ATH9K_TXDESC_NOACK;
+	info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ;
 
 	info.buf_addr[0] = bf->bf_buf_addr;
 	info.buf_len[0] = roundup(skb->len, 4);
@@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long da
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_buf *bf = NULL;
 	struct ieee80211_vif *vif;
-	struct ath_tx_status ts;
 	bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
 	int slot;
 	u32 bfaddr, bc = 0;
@@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long da
 			ath9k_hw_txstart(ah, sc->beacon.beaconq);
 
 		sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
-		if (edma) {
-			spin_lock_bh(&sc->sc_pcu_lock);
-			ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
-			spin_unlock_bh(&sc->sc_pcu_lock);
-		}
 	}
 }
 
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -745,7 +745,11 @@ int ath9k_hw_beaconq_setup(struct ath_hw
 	qi.tqi_aifs = 1;
 	qi.tqi_cwmin = 0;
 	qi.tqi_cwmax = 0;
-	/* NB: don't enable any interrupts */
+
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+		qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE |
+				TXQ_FLAG_TXERRINT_ENABLE;
+
 	return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
 }
 EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2303,6 +2303,7 @@ static int ath9k_tx_last_beacon(struct i
 	struct ath_vif *avp;
 	struct ath_buf *bf;
 	struct ath_tx_status ts;
+	bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
 	int status;
 
 	vif = sc->beacon.bslot[0];
@@ -2313,7 +2314,7 @@ static int ath9k_tx_last_beacon(struct i
 	if (!avp->is_bslot_active)
 		return 0;
 
-	if (!sc->beacon.tx_processed) {
+	if (!sc->beacon.tx_processed && !edma) {
 		tasklet_disable(&sc->bcon_tasklet);
 
 		bf = avp->av_bcbuf;
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2317,9 +2317,12 @@ void ath_tx_edma_tasklet(struct ath_soft
 			break;
 		}
 
-		/* Skip beacon completions */
-		if (ts.qid == sc->beacon.beaconq)
+		/* Process beacon completions separately */
+		if (ts.qid == sc->beacon.beaconq) {
+			sc->beacon.tx_processed = true;
+			sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
 			continue;
+		}
 
 		txq = &sc->tx.txq[ts.qid];