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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-29 12:44:37 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-29 12:44:37 +0000
commit43027149c7034caa3a2cbff1803e164e32081cbf (patch)
tree10bb5b3dab86d1b2263d3b628cc3d6bb4ea979c4 /package/mac80211/patches/300-pending_work.patch
parent5f334932720417e73dfd60802ce042f6a78fef81 (diff)
ath9k: add a patch that prevents excessive retry of single frames during an aggregation session
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33989 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/300-pending_work.patch')
-rw-r--r--package/mac80211/patches/300-pending_work.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 9a4b24e4e..6f35a07be 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -649,3 +649,33 @@
return rdev->ops->deauth(&rdev->wiphy, dev, &req);
}
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -386,7 +386,7 @@ static void ath_tx_complete_aggr(struct
+ u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first;
+ u32 ba[WME_BA_BMP_SIZE >> 5];
+ int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
+- bool rc_update = true;
++ bool rc_update = true, isba;
+ struct ieee80211_tx_rate rates[4];
+ struct ath_frame_info *fi;
+ int nframes;
+@@ -430,13 +430,17 @@ static void ath_tx_complete_aggr(struct
+ tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
+ tid = ATH_AN_2_TID(an, tidno);
+ seq_first = tid->seq_start;
++ isba = ts->ts_flags & ATH9K_TX_BA;
+
+ /*
+ * 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
++ *
++ * Only BlockAcks have a TID and therefore normal Acks cannot be
++ * checked
+ */
+- if (tidno != ts->tid)
++ if (isba && tidno != ts->tid)
+ txok = false;
+
+ isaggr = bf_isaggr(bf);