ath9k: fix some tx aggregation issues - reduces the number of tx dma stop failures

SVN-Revision: 28301
This commit is contained in:
Felix Fietkau 2011-09-25 18:34:54 +00:00
parent f45bd67de0
commit a66d423560
3 changed files with 63 additions and 1 deletions

View file

@ -0,0 +1,11 @@
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -484,7 +484,7 @@ static void ath_tx_complete_aggr(struct
*/
txfail = 1;
} else if (fi->retries < ATH_MAX_SW_RETRIES) {
- if (!(ts->ts_status & ATH9K_TXERR_FILT) ||
+ if (!(ts->ts_status & ATH9K_TXERR_FILT) &&
!an->sleeping)
ath_tx_set_retry(sc, txq, bf->bf_mpdu,
retries);

View file

@ -0,0 +1,51 @@
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -75,9 +75,10 @@
#define ATH9K_TXERR_XTXOP 0x08
#define ATH9K_TXERR_TIMER_EXPIRED 0x10
#define ATH9K_TX_ACKED 0x20
+#define ATH9K_TX_FLUSH 0x40
#define ATH9K_TXERR_MASK \
(ATH9K_TXERR_XRETRY | ATH9K_TXERR_FILT | ATH9K_TXERR_FIFO | \
- ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED)
+ ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED | ATH9K_TX_FLUSH)
#define ATH9K_TX_BA 0x01
#define ATH9K_TX_PWRMGMT 0x02
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -389,6 +389,7 @@ static void ath_tx_complete_aggr(struct
u8 tidno;
bool clear_filter;
int i, retries;
+ bool flush = !!(ts->ts_status & ATH9K_TX_FLUSH);
skb = bf->bf_mpdu;
hdr = (struct ieee80211_hdr *)skb->data;
@@ -483,6 +484,8 @@ static void ath_tx_complete_aggr(struct
* the un-acked sub-frames
*/
txfail = 1;
+ } else if (flush) {
+ txpending = 1;
} else if (fi->retries < ATH_MAX_SW_RETRIES) {
if (!(ts->ts_status & ATH9K_TXERR_FILT) &&
!an->sleeping)
@@ -543,7 +546,8 @@ static void ath_tx_complete_aggr(struct
ath_tx_complete_buf(sc, bf, txq,
&bf_head,
- ts, 0, 1,
+ ts, 0,
+ !flush,
sta);
break;
}
@@ -1447,6 +1451,7 @@ static void ath_drain_txq_list(struct at
struct ath_tx_status ts;
memset(&ts, 0, sizeof(ts));
+ ts.ts_status = ATH9K_TX_FLUSH;
INIT_LIST_HEAD(&bf_head);
while (!list_empty(list)) {

View file

@ -144,7 +144,7 @@
mask2 = 0;
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -734,7 +734,7 @@ int ath9k_hw_beaconq_setup(struct ath_hw
@@ -735,7 +735,7 @@ int ath9k_hw_beaconq_setup(struct ath_hw
/* Interrupt Handling */
bool ath9k_hw_intrpend(struct ath_hw *ah);