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-rw-r--r--package/mac80211/patches/570-ath9k_remove_noiseFloor.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/package/mac80211/patches/570-ath9k_remove_noiseFloor.patch b/package/mac80211/patches/570-ath9k_remove_noiseFloor.patch
new file mode 100644
index 0000000000..fb17dc566a
--- /dev/null
+++ b/package/mac80211/patches/570-ath9k_remove_noiseFloor.patch
@@ -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;
+