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authorFelix Fietkau <nbd@openwrt.org>2011-04-09 15:22:01 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-04-09 15:22:01 +0000
commit8371085c8b28639be8a72f3bbbea7cc1a1925eb9 (patch)
tree14a54ff7e2ebad3454fc54366bebf448af0c1ddf /package/mac80211/patches
parentad6cb6294ef4a43eb06492eb3128476647cac90f (diff)
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ath9k: properly count retries when frames are filtered due to excessive retries when a client is not in powersave mode
SVN-Revision: 26545
Diffstat (limited to 'package/mac80211/patches')
-rw-r--r--package/mac80211/patches/521-ath9k_fix_ap_ps_buffering.patch55
1 files changed, 39 insertions, 16 deletions
diff --git a/package/mac80211/patches/521-ath9k_fix_ap_ps_buffering.patch b/package/mac80211/patches/521-ath9k_fix_ap_ps_buffering.patch
index 8f6249c..cc956ed 100644
--- a/package/mac80211/patches/521-ath9k_fix_ap_ps_buffering.patch
+++ b/package/mac80211/patches/521-ath9k_fix_ap_ps_buffering.patch
@@ -75,20 +75,43 @@
skb = bf->bf_mpdu;
hdr = (struct ieee80211_hdr *)skb->data;
-@@ -442,7 +443,11 @@ static void ath_tx_complete_aggr(struct
+@@ -441,22 +442,24 @@ static void ath_tx_complete_aggr(struct
+ /* transmit completion */
acked_cnt++;
} else {
- if (!(tid->state & AGGR_CLEANUP) && retry) {
+- if (!(tid->state & AGGR_CLEANUP) && retry) {
- if (fi->retries < ATH_MAX_SW_RETRIES) {
-+ if (ts->ts_status & ATH9K_TXERR_FILT) {
-+ if (!an->sleeping)
-+ clear_filter = true;
-+ txpending = 1;
-+ } else if (fi->retries < ATH_MAX_SW_RETRIES) {
- ath_tx_set_retry(sc, txq, bf->bf_mpdu);
- txpending = 1;
- } else {
-@@ -496,6 +501,7 @@ static void ath_tx_complete_aggr(struct
+- ath_tx_set_retry(sc, txq, bf->bf_mpdu);
+- txpending = 1;
+- } else {
+- bf->bf_state.bf_type |= BUF_XRETRY;
+- txfail = 1;
+- sendbar = 1;
+- txfail_cnt++;
+- }
+- } else {
++ if ((tid->state & AGGR_CLEANUP) || !retry) {
+ /*
+ * cleanup in progress, just fail
+ * the un-acked sub-frames
+ */
+ txfail = 1;
++ } else if (fi->retries < ATH_MAX_SW_RETRIES) {
++ if (!(ts->ts_status & ATH9K_TXERR_FILT) ||
++ !an->sleeping)
++ ath_tx_set_retry(sc, txq, bf->bf_mpdu);
++
++ clear_filter = true;
++ txpending = 1;
++ } else {
++ bf->bf_state.bf_type |= BUF_XRETRY;
++ txfail = 1;
++ sendbar = 1;
++ txfail_cnt++;
+ }
+ }
+
+@@ -496,6 +499,7 @@ static void ath_tx_complete_aggr(struct
!txfail, sendbar);
} else {
/* retry the un-acked ones */
@@ -96,7 +119,7 @@
if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
if (bf->bf_next == NULL && bf_last->bf_stale) {
struct ath_buf *tbf;
-@@ -546,7 +552,12 @@ static void ath_tx_complete_aggr(struct
+@@ -546,7 +550,12 @@ static void ath_tx_complete_aggr(struct
/* prepend un-acked frames to the beginning of the pending frame queue */
if (!list_empty(&bf_pending)) {
@@ -109,7 +132,7 @@
list_splice(&bf_pending, &tid->buf_q);
ath_tx_queue_tid(txq, tid);
spin_unlock_bh(&txq->axq_lock);
-@@ -816,6 +827,11 @@ static void ath_tx_sched_aggr(struct ath
+@@ -816,6 +825,11 @@ static void ath_tx_sched_aggr(struct ath
bf = list_first_entry(&bf_q, struct ath_buf, list);
bf->bf_lastbf = list_entry(bf_q.prev, struct ath_buf, list);
@@ -121,7 +144,7 @@
/* if only one frame, send as non-aggregate */
if (bf == bf->bf_lastbf) {
fi = get_frame_info(bf->bf_mpdu);
-@@ -896,6 +912,67 @@ void ath_tx_aggr_stop(struct ath_softc *
+@@ -896,6 +910,67 @@ void ath_tx_aggr_stop(struct ath_softc *
ath_tx_flush_tid(sc, txtid);
}
@@ -189,7 +212,7 @@
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
{
struct ath_atx_tid *txtid;
-@@ -1491,7 +1568,6 @@ static int setup_tx_flags(struct sk_buff
+@@ -1491,7 +1566,6 @@ static int setup_tx_flags(struct sk_buff
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
int flags = 0;
@@ -197,7 +220,7 @@
flags |= ATH9K_TXDESC_INTREQ;
if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
-@@ -1754,6 +1830,9 @@ static void ath_tx_start_dma(struct ath_
+@@ -1754,6 +1828,9 @@ static void ath_tx_start_dma(struct ath_
if (txctl->paprd)
bf->bf_state.bfs_paprd_timestamp = jiffies;