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-rw-r--r--package/mac80211/patches/571-ath9k_beacon_fix.patch113
1 files changed, 113 insertions, 0 deletions
diff --git a/package/mac80211/patches/571-ath9k_beacon_fix.patch b/package/mac80211/patches/571-ath9k_beacon_fix.patch
new file mode 100644
index 0000000000..e7c2b0094b
--- /dev/null
+++ b/package/mac80211/patches/571-ath9k_beacon_fix.patch
@@ -0,0 +1,113 @@
+--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+@@ -346,7 +346,6 @@ 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;
+
+@@ -356,11 +355,7 @@ 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)) {
+@@ -374,6 +369,7 @@ 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
+@@ -2323,6 +2323,7 @@ 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];
+@@ -2333,7 +2334,7 @@ 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
+@@ -2318,9 +2318,12 @@ 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];
+