diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-02-15 17:28:52 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-02-15 17:28:52 +0000 |
| commit | 29616c3532b380bdba78a5c256eabdce19ed2f82 (patch) | |
| tree | 63c1d6efc0bb11234ef0b16613a65e582db6ae18 | |
| parent | 51eeb15390f92a2afe5286acee9348717359bce6 (diff) | |
ath9k: adjust ack timeout workaround patch based on upstream submission
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19638 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | package/mac80211/patches/520-ath9k_ack_timeout_workaround.patch | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/package/mac80211/patches/520-ath9k_ack_timeout_workaround.patch b/package/mac80211/patches/520-ath9k_ack_timeout_workaround.patch index 398bec8eb8..f489f0ff4c 100644 --- a/package/mac80211/patches/520-ath9k_ack_timeout_workaround.patch +++ b/package/mac80211/patches/520-ath9k_ack_timeout_workaround.patch @@ -1,13 +1,19 @@ --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1233,6 +1233,11 @@ void ath9k_hw_init_global_settings(struc +@@ -1233,6 +1233,17 @@ void ath9k_hw_init_global_settings(struc /* As defined by IEEE 802.11-2007 17.3.8.6 */ slottime = ah->slottime + 3 * ah->coverage_class; acktimeout = slottime + sifstime; + -+ /* Workaround for a hw issue */ ++ /* ++ * Workaround for early ACK timeouts, add an offset to match the ++ * initval's 64us ack timeout value. ++ * This was initially only meant to work around an issue with delayed ++ * BA frames in some implementations, but it has been found to fix ACK ++ * timeout issues in other cases as well. ++ */ + if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) -+ acktimeout = max(64, acktimeout); ++ acktimeout += 64 - sifstime - ah->slottime; + ath9k_hw_setslottime(ah, slottime); ath9k_hw_set_ack_timeout(ah, acktimeout); |