ath9k: fix cts timeout setting on 2.4 ghz

SVN-Revision: 28094

diff --git a/package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch b/package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch
new file mode 100644 (file)
index 0000000..2705558
--- /dev/null
+++ b/package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch
@@ -0,0 +1,28 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -969,7 +969,7 @@ void ath9k_hw_init_global_settings(struc
+       struct ath_common *common = ath9k_hw_common(ah);
+       struct ieee80211_conf *conf = &common->hw->conf;
+       const struct ath9k_channel *chan = ah->curchan;
+-      int acktimeout;
++      int acktimeout, ctstimeout;
+       int slottime;
+       int sifstime;
+       int rx_lat = 0, tx_lat = 0, eifs = 0;
+@@ -1026,6 +1026,7 @@ void ath9k_hw_init_global_settings(struc
+ 
+       /* As defined by IEEE 802.11-2007 17.3.8.6 */
+       acktimeout = slottime + sifstime + 3 * ah->coverage_class;
++      ctstimeout = acktimeout;
+ 
+       /*
+        * Workaround for early ACK timeouts, add an offset to match the
+@@ -1040,7 +1041,7 @@ void ath9k_hw_init_global_settings(struc
+       ath9k_hw_set_sifs_time(ah, sifstime);
+       ath9k_hw_setslottime(ah, slottime);
+       ath9k_hw_set_ack_timeout(ah, acktimeout);
+-      ath9k_hw_set_cts_timeout(ah, acktimeout);
++      ath9k_hw_set_cts_timeout(ah, ctstimeout);
+       if (ah->globaltxtimeout != (u32) -1)
+               ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
+