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ath9k: fix cts timeout setting on 2.4 ghz

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28094 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-08-27 23:53:49 +00:00
parent a9aed914cf
commit 3b3f7e203d
1 changed files with 28 additions and 0 deletions
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28
package/mac80211/patches/570-ath9k_fix_ack_cts_timeout.patch Normal file
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@ -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);