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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-17 01:38:07 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-17 01:38:07 +0000
commit9e219ca63654c28f0f63378a4f176fb8da6d5b5e (patch)
treef229079fb188e5c3e9fda0d76225a9ca5ea5e74f /package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch
parent682557cca159feecf97ec8cfa025954b4f56b5a0 (diff)
mac80211: upgrade to compat-wireless 2010-01-15
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19176 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch')
-rw-r--r--package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch14
1 files changed, 14 insertions, 0 deletions
diff --git a/package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch b/package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch
new file mode 100644
index 000000000..953c07af6
--- /dev/null
+++ b/package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch
@@ -0,0 +1,14 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1229,6 +1229,11 @@ 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 */
++ if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
++ acktimeout = max(64, acktimeout);
++
+ ath9k_hw_setslottime(ah, slottime);
+ ath9k_hw_set_ack_timeout(ah, acktimeout);
+ ath9k_hw_set_cts_timeout(ah, acktimeout);