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ath9k: remove stuck beacon detection optimization, it may be unreliable on some hardware

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30915 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2012-03-13 07:56:01 +00:00
parent 510f76eab5
commit dea8a2e425
2 changed files with 1 additions and 130 deletions
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32
package/mac80211/patches/560-ath9k_optimize_hw_check.patch Normal file
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@@ -0,0 +1,32 @@
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -369,6 +369,9 @@ void ath_beacon_tasklet(unsigned long da
if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0) {
sc->beacon.bmisscnt++;
+ if (!ath9k_hw_check_alive(ah))
+ ieee80211_queue_work(sc->hw, &sc->hw_check_work);
+
if (sc->beacon.bmisscnt < BSTUCK_THRESH * sc->nbcnvifs) {
ath_dbg(common, BSTUCK,
"missed %u consecutive beacons\n",
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -695,17 +695,6 @@ void ath9k_tasklet(unsigned long data)
goto out;
}
- /*
- * Only run the baseband hang check if beacons stop working in AP or
- * IBSS mode, because it has a high false positive rate. For station
- * mode it should not be necessary, since the upper layers will detect
- * this through a beacon miss automatically and the following channel
- * change will trigger a hardware reset anyway
- */
- if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0 &&
- !ath9k_hw_check_alive(ah))
- ieee80211_queue_work(sc->hw, &sc->hw_check_work);
-
if ((status & ATH9K_INT_TSFOOR) && sc->ps_enabled) {
/*
* TSF sync does not look correct; remain awake to sync with