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ath9k: fix ANI weak signal detection handling

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32045 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2012-06-04 13:42:39 +00:00
parent 5bfb119980
commit 049b4337f5
2 changed files with 82 additions and 0 deletions
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52
package/mac80211/patches/570-ath9k_remove_noiseFloor.patch Normal file
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@ -0,0 +1,52 @@
--- a/drivers/net/wireless/ath/ath9k/ani.h
+++ b/drivers/net/wireless/ath/ath9k/ani.h
@@ -128,7 +128,6 @@ struct ar5416AniState {
u32 listenTime;
int32_t rssiThrLow;
int32_t rssiThrHigh;
- u32 noiseFloor;
u32 ofdmPhyErrCount;
u32 cckPhyErrCount;
int16_t pktRssi[2];
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -266,11 +266,9 @@ static void ath9k_hw_set_ofdm_nil(struct
const struct ani_ofdm_level_entry *entry_ofdm;
const struct ani_cck_level_entry *entry_cck;
- aniState->noiseFloor = BEACON_RSSI(ah);
-
ath_dbg(common, ANI, "**** ofdmlevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->ofdmNoiseImmunityLevel,
- immunityLevel, aniState->noiseFloor,
+ immunityLevel, BEACON_RSSI(ah),
aniState->rssiThrLow, aniState->rssiThrHigh);
if (aniState->update_ani)
@@ -292,7 +290,7 @@ static void ath9k_hw_set_ofdm_nil(struct
ATH9K_ANI_FIRSTEP_LEVEL,
entry_ofdm->fir_step_level);
- if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
+ if (BEACON_RSSI(ah) >= aniState->rssiThrHigh &&
(!aniState->ofdmWeakSigDetectOff !=
entry_ofdm->ofdm_weak_signal_on)) {
ath9k_hw_ani_control(ah,
@@ -329,15 +327,14 @@ static void ath9k_hw_set_cck_nil(struct
const struct ani_ofdm_level_entry *entry_ofdm;
const struct ani_cck_level_entry *entry_cck;
- aniState->noiseFloor = BEACON_RSSI(ah);
ath_dbg(common, ANI, "**** ccklevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->cckNoiseImmunityLevel, immunityLevel,
- aniState->noiseFloor, aniState->rssiThrLow,
+ BEACON_RSSI(ah), aniState->rssiThrLow,
aniState->rssiThrHigh);
if ((ah->opmode == NL80211_IFTYPE_STATION ||
ah->opmode == NL80211_IFTYPE_ADHOC) &&
- aniState->noiseFloor <= aniState->rssiThrLow &&
+ BEACON_RSSI(ah) <= aniState->rssiThrLow &&
immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;

30
package/mac80211/patches/571-ath9k_ani_fix_weak_sig.patch Normal file
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@ -0,0 +1,30 @@
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -265,6 +265,7 @@ static void ath9k_hw_set_ofdm_nil(struct
struct ath_common *common = ath9k_hw_common(ah);
const struct ani_ofdm_level_entry *entry_ofdm;
const struct ani_cck_level_entry *entry_cck;
+ bool weak_sig;
ath_dbg(common, ANI, "**** ofdmlevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->ofdmNoiseImmunityLevel,
@@ -290,13 +291,15 @@ static void ath9k_hw_set_ofdm_nil(struct
ATH9K_ANI_FIRSTEP_LEVEL,
entry_ofdm->fir_step_level);
- if (BEACON_RSSI(ah) >= aniState->rssiThrHigh &&
- (!aniState->ofdmWeakSigDetectOff !=
- entry_ofdm->ofdm_weak_signal_on)) {
+ weak_sig = entry_ofdm->ofdm_weak_signal_on;
+ if (ah->opmode == NL80211_IFTYPE_STATION &&
+ BEACON_RSSI(ah) >= aniState->rssiThrHigh)
+ weak_sig = true;
+
+ if (!aniState->ofdmWeakSigDetectOff != weak_sig)
ath9k_hw_ani_control(ah,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
entry_ofdm->ofdm_weak_signal_on);
- }
}
static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)