openwrt-owl/package/mac80211/patches/300-pending_work.patch

--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -104,11 +104,6 @@ static const struct ani_cck_level_entry 
 #define ATH9K_ANI_CCK_DEF_LEVEL \
 	2 /* default level - matches the INI settings */
 
-static bool use_new_ani(struct ath_hw *ah)
-{
-	return AR_SREV_9300_20_OR_LATER(ah) || modparam_force_new_ani;
-}
-
 static void ath9k_hw_update_mibstats(struct ath_hw *ah,
 				     struct ath9k_mib_stats *stats)
 {
@@ -122,8 +117,6 @@ static void ath9k_hw_update_mibstats(str
 static void ath9k_ani_restart(struct ath_hw *ah)
 {
 	struct ar5416AniState *aniState;
-	struct ath_common *common = ath9k_hw_common(ah);
-	u32 ofdm_base = 0, cck_base = 0;
 
 	if (!DO_ANI(ah))
 		return;
@@ -131,18 +124,10 @@ static void ath9k_ani_restart(struct ath
 	aniState = &ah->curchan->ani;
 	aniState->listenTime = 0;
 
-	if (!use_new_ani(ah)) {
-		ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high;
-		cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high;
-	}
-
-	ath_dbg(common, ANI, "Writing ofdmbase=%u   cckbase=%u\n",
-		ofdm_base, cck_base);
-
 	ENABLE_REGWRITE_BUFFER(ah);
 
-	REG_WRITE(ah, AR_PHY_ERR_1, ofdm_base);
-	REG_WRITE(ah, AR_PHY_ERR_2, cck_base);
+	REG_WRITE(ah, AR_PHY_ERR_1, 0);
+	REG_WRITE(ah, AR_PHY_ERR_2, 0);
 	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
 	REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
 
@@ -154,110 +139,6 @@ static void ath9k_ani_restart(struct ath
 	aniState->cckPhyErrCount = 0;
 }
 
-static void ath9k_hw_ani_ofdm_err_trigger_old(struct ath_hw *ah)
-{
-	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-	struct ar5416AniState *aniState;
-	int32_t rssi;
-
-	aniState = &ah->curchan->ani;
-
-	if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
-					 aniState->noiseImmunityLevel + 1)) {
-			return;
-		}
-	}
-
-	if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) {
-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
-					 aniState->spurImmunityLevel + 1)) {
-			return;
-		}
-	}
-
-	if (ah->opmode == NL80211_IFTYPE_AP) {
-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
-					     aniState->firstepLevel + 1);
-		}
-		return;
-	}
-	rssi = BEACON_RSSI(ah);
-	if (rssi > aniState->rssiThrHigh) {
-		if (!aniState->ofdmWeakSigDetectOff) {
-			if (ath9k_hw_ani_control(ah,
-					 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-					 false)) {
-				ath9k_hw_ani_control(ah,
-					ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
-				return;
-			}
-		}
-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
-					     aniState->firstepLevel + 1);
-			return;
-		}
-	} else if (rssi > aniState->rssiThrLow) {
-		if (aniState->ofdmWeakSigDetectOff)
-			ath9k_hw_ani_control(ah,
-				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-				     true);
-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
-					     aniState->firstepLevel + 1);
-		return;
-	} else {
-		if ((conf->channel->band == IEEE80211_BAND_2GHZ) &&
-		    !conf_is_ht(conf)) {
-			if (!aniState->ofdmWeakSigDetectOff)
-				ath9k_hw_ani_control(ah,
-				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-				     false);
-			if (aniState->firstepLevel > 0)
-				ath9k_hw_ani_control(ah,
-					     ATH9K_ANI_FIRSTEP_LEVEL, 0);
-			return;
-		}
-	}
-}
-
-static void ath9k_hw_ani_cck_err_trigger_old(struct ath_hw *ah)
-{
-	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-	struct ar5416AniState *aniState;
-	int32_t rssi;
-
-	aniState = &ah->curchan->ani;
-	if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
-					 aniState->noiseImmunityLevel + 1)) {
-			return;
-		}
-	}
-	if (ah->opmode == NL80211_IFTYPE_AP) {
-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
-					     aniState->firstepLevel + 1);
-		}
-		return;
-	}
-	rssi = BEACON_RSSI(ah);
-	if (rssi > aniState->rssiThrLow) {
-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
-					     aniState->firstepLevel + 1);
-	} else {
-		if ((conf->channel->band == IEEE80211_BAND_2GHZ) &&
-		    !conf_is_ht(conf)) {
-			if (aniState->firstepLevel > 0)
-				ath9k_hw_ani_control(ah,
-					     ATH9K_ANI_FIRSTEP_LEVEL, 0);
-		}
-	}
-}
-
 /* Adjust the OFDM Noise Immunity Level */
 static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
 {
@@ -265,18 +146,15 @@ 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;
-
-	aniState->noiseFloor = BEACON_RSSI(ah);
+	bool weak_sig;
 
 	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)
-		aniState->ofdmNoiseImmunityLevel =
-			(immunityLevel > ATH9K_ANI_OFDM_DEF_LEVEL) ?
-			immunityLevel : ATH9K_ANI_OFDM_DEF_LEVEL;
+		aniState->ofdmNoiseImmunityLevel = immunityLevel;
 
 	entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
 	entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
@@ -292,12 +170,22 @@ static void ath9k_hw_set_ofdm_nil(struct
 				     ATH9K_ANI_FIRSTEP_LEVEL,
 				     entry_ofdm->fir_step_level);
 
-	if ((aniState->noiseFloor >= 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->ofdmWeakSigDetect != weak_sig)
 			ath9k_hw_ani_control(ah,
 				ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
 				entry_ofdm->ofdm_weak_signal_on);
+
+	if (aniState->ofdmNoiseImmunityLevel >= ATH9K_ANI_OFDM_DEF_LEVEL) {
+		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH;
+		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI;
+	} else {
+		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI;
+		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW;
 	}
 }
 
@@ -308,11 +196,6 @@ static void ath9k_hw_ani_ofdm_err_trigge
 	if (!DO_ANI(ah))
 		return;
 
-	if (!use_new_ani(ah)) {
-		ath9k_hw_ani_ofdm_err_trigger_old(ah);
-		return;
-	}
-
 	aniState = &ah->curchan->ani;
 
 	if (aniState->ofdmNoiseImmunityLevel < ATH9K_ANI_OFDM_MAX_LEVEL)
@@ -329,22 +212,18 @@ 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 &&
+	if (ah->opmode == NL80211_IFTYPE_STATION &&
+	    BEACON_RSSI(ah) <= aniState->rssiThrLow &&
 	    immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
 		immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
 
 	if (aniState->update_ani)
-		aniState->cckNoiseImmunityLevel =
-			(immunityLevel > ATH9K_ANI_CCK_DEF_LEVEL) ?
-			immunityLevel : ATH9K_ANI_CCK_DEF_LEVEL;
+		aniState->cckNoiseImmunityLevel = immunityLevel;
 
 	entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
 	entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
@@ -372,70 +251,12 @@ static void ath9k_hw_ani_cck_err_trigger
 	if (!DO_ANI(ah))
 		return;
 
-	if (!use_new_ani(ah)) {
-		ath9k_hw_ani_cck_err_trigger_old(ah);
-		return;
-	}
-
 	aniState = &ah->curchan->ani;
 
 	if (aniState->cckNoiseImmunityLevel < ATH9K_ANI_CCK_MAX_LEVEL)
 		ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1);
 }
 
-static void ath9k_hw_ani_lower_immunity_old(struct ath_hw *ah)
-{
-	struct ar5416AniState *aniState;
-	int32_t rssi;
-
-	aniState = &ah->curchan->ani;
-
-	if (ah->opmode == NL80211_IFTYPE_AP) {
-		if (aniState->firstepLevel > 0) {
-			if (ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
-						 aniState->firstepLevel - 1))
-				return;
-		}
-	} else {
-		rssi = BEACON_RSSI(ah);
-		if (rssi > aniState->rssiThrHigh) {
-			/* XXX: Handle me */
-		} else if (rssi > aniState->rssiThrLow) {
-			if (aniState->ofdmWeakSigDetectOff) {
-				if (ath9k_hw_ani_control(ah,
-					 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-					 true))
-					return;
-			}
-			if (aniState->firstepLevel > 0) {
-				if (ath9k_hw_ani_control(ah,
-					 ATH9K_ANI_FIRSTEP_LEVEL,
-					 aniState->firstepLevel - 1))
-					return;
-			}
-		} else {
-			if (aniState->firstepLevel > 0) {
-				if (ath9k_hw_ani_control(ah,
-					 ATH9K_ANI_FIRSTEP_LEVEL,
-					 aniState->firstepLevel - 1))
-					return;
-			}
-		}
-	}
-
-	if (aniState->spurImmunityLevel > 0) {
-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
-					 aniState->spurImmunityLevel - 1))
-			return;
-	}
-
-	if (aniState->noiseImmunityLevel > 0) {
-		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
-				     aniState->noiseImmunityLevel - 1);
-		return;
-	}
-}
-
 /*
  * only lower either OFDM or CCK errors per turn
  * we lower the other one next time
@@ -446,11 +267,6 @@ static void ath9k_hw_ani_lower_immunity(
 
 	aniState = &ah->curchan->ani;
 
-	if (!use_new_ani(ah)) {
-		ath9k_hw_ani_lower_immunity_old(ah);
-		return;
-	}
-
 	/* lower OFDM noise immunity */
 	if (aniState->ofdmNoiseImmunityLevel > 0 &&
 	    (aniState->ofdmsTurn || aniState->cckNoiseImmunityLevel == 0)) {
@@ -463,72 +279,6 @@ static void ath9k_hw_ani_lower_immunity(
 		ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1);
 }
 
-static void ath9k_ani_reset_old(struct ath_hw *ah, bool is_scanning)
-{
-	struct ar5416AniState *aniState;
-	struct ath9k_channel *chan = ah->curchan;
-	struct ath_common *common = ath9k_hw_common(ah);
-
-	if (!DO_ANI(ah))
-		return;
-
-	aniState = &ah->curchan->ani;
-
-	if (ah->opmode != NL80211_IFTYPE_STATION
-	    && ah->opmode != NL80211_IFTYPE_ADHOC) {
-		ath_dbg(common, ANI, "Reset ANI state opmode %u\n", ah->opmode);
-		ah->stats.ast_ani_reset++;
-
-		if (ah->opmode == NL80211_IFTYPE_AP) {
-			/*
-			 * ath9k_hw_ani_control() will only process items set on
-			 * ah->ani_function
-			 */
-			if (IS_CHAN_2GHZ(chan))
-				ah->ani_function = (ATH9K_ANI_SPUR_IMMUNITY_LEVEL |
-						    ATH9K_ANI_FIRSTEP_LEVEL);
-			else
-				ah->ani_function = 0;
-		}
-
-		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, 0);
-		ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
-		ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, 0);
-		ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-				     !ATH9K_ANI_USE_OFDM_WEAK_SIG);
-		ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
-				     ATH9K_ANI_CCK_WEAK_SIG_THR);
-
-		ath9k_ani_restart(ah);
-		return;
-	}
-
-	if (aniState->noiseImmunityLevel != 0)
-		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
-				     aniState->noiseImmunityLevel);
-	if (aniState->spurImmunityLevel != 0)
-		ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
-				     aniState->spurImmunityLevel);
-	if (aniState->ofdmWeakSigDetectOff)
-		ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-				     !aniState->ofdmWeakSigDetectOff);
-	if (aniState->cckWeakSigThreshold)
-		ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
-				     aniState->cckWeakSigThreshold);
-	if (aniState->firstepLevel != 0)
-		ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
-				     aniState->firstepLevel);
-
-	ath9k_ani_restart(ah);
-
-	ENABLE_REGWRITE_BUFFER(ah);
-
-	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
-	REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
-
-	REGWRITE_BUFFER_FLUSH(ah);
-}
-
 /*
  * Restore the ANI parameters in the HAL and reset the statistics.
  * This routine should be called for every hardware reset and for
@@ -539,13 +289,11 @@ void ath9k_ani_reset(struct ath_hw *ah, 
 	struct ar5416AniState *aniState = &ah->curchan->ani;
 	struct ath9k_channel *chan = ah->curchan;
 	struct ath_common *common = ath9k_hw_common(ah);
+	int ofdm_nil, cck_nil;
 
 	if (!DO_ANI(ah))
 		return;
 
-	if (!use_new_ani(ah))
-		return ath9k_ani_reset_old(ah, is_scanning);
-
 	BUG_ON(aniState == NULL);
 	ah->stats.ast_ani_reset++;
 
@@ -563,6 +311,11 @@ void ath9k_ani_reset(struct ath_hw *ah, 
 	/* always allow mode (on/off) to be controlled */
 	ah->ani_function |= ATH9K_ANI_MODE;
 
+	ofdm_nil = max_t(int, ATH9K_ANI_OFDM_DEF_LEVEL,
+			 aniState->ofdmNoiseImmunityLevel);
+	cck_nil = max_t(int, ATH9K_ANI_CCK_DEF_LEVEL,
+			 aniState->cckNoiseImmunityLevel);
+
 	if (is_scanning ||
 	    (ah->opmode != NL80211_IFTYPE_STATION &&
 	     ah->opmode != NL80211_IFTYPE_ADHOC)) {
@@ -586,8 +339,8 @@ void ath9k_ani_reset(struct ath_hw *ah, 
 				aniState->cckNoiseImmunityLevel);
 
 			aniState->update_ani = false;
-			ath9k_hw_set_ofdm_nil(ah, ATH9K_ANI_OFDM_DEF_LEVEL);
-			ath9k_hw_set_cck_nil(ah, ATH9K_ANI_CCK_DEF_LEVEL);
+			ofdm_nil = ATH9K_ANI_OFDM_DEF_LEVEL;
+			cck_nil = ATH9K_ANI_CCK_DEF_LEVEL;
 		}
 	} else {
 		/*
@@ -603,11 +356,9 @@ void ath9k_ani_reset(struct ath_hw *ah, 
 			aniState->cckNoiseImmunityLevel);
 
 			aniState->update_ani = true;
-			ath9k_hw_set_ofdm_nil(ah,
-					      aniState->ofdmNoiseImmunityLevel);
-			ath9k_hw_set_cck_nil(ah,
-					     aniState->cckNoiseImmunityLevel);
 	}
+	ath9k_hw_set_ofdm_nil(ah, ofdm_nil);
+	ath9k_hw_set_cck_nil(ah, cck_nil);
 
 	/*
 	 * enable phy counters if hw supports or if not, enable phy
@@ -627,9 +378,6 @@ static bool ath9k_hw_ani_read_counters(s
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ar5416AniState *aniState = &ah->curchan->ani;
-	u32 ofdm_base = 0;
-	u32 cck_base = 0;
-	u32 ofdmPhyErrCnt, cckPhyErrCnt;
 	u32 phyCnt1, phyCnt2;
 	int32_t listenTime;
 
@@ -642,11 +390,6 @@ static bool ath9k_hw_ani_read_counters(s
 		return false;
 	}
 
-	if (!use_new_ani(ah)) {
-		ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high;
-		cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high;
-	}
-
 	aniState->listenTime += listenTime;
 
 	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
@@ -654,35 +397,12 @@ static bool ath9k_hw_ani_read_counters(s
 	phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
 	phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
 
-	if (!use_new_ani(ah) && (phyCnt1 < ofdm_base || phyCnt2 < cck_base)) {
-		if (phyCnt1 < ofdm_base) {
-			ath_dbg(common, ANI,
-				"phyCnt1 0x%x, resetting counter value to 0x%x\n",
-				phyCnt1, ofdm_base);
-			REG_WRITE(ah, AR_PHY_ERR_1, ofdm_base);
-			REG_WRITE(ah, AR_PHY_ERR_MASK_1,
-				  AR_PHY_ERR_OFDM_TIMING);
-		}
-		if (phyCnt2 < cck_base) {
-			ath_dbg(common, ANI,
-				"phyCnt2 0x%x, resetting counter value to 0x%x\n",
-				phyCnt2, cck_base);
-			REG_WRITE(ah, AR_PHY_ERR_2, cck_base);
-			REG_WRITE(ah, AR_PHY_ERR_MASK_2,
-				  AR_PHY_ERR_CCK_TIMING);
-		}
-		return false;
-	}
+	ah->stats.ast_ani_ofdmerrs += phyCnt1 - aniState->ofdmPhyErrCount;
+	aniState->ofdmPhyErrCount = phyCnt1;
+
+	ah->stats.ast_ani_cckerrs += phyCnt2 - aniState->cckPhyErrCount;
+	aniState->cckPhyErrCount = phyCnt2;
 
-	ofdmPhyErrCnt = phyCnt1 - ofdm_base;
-	ah->stats.ast_ani_ofdmerrs +=
-		ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
-	aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
-
-	cckPhyErrCnt = phyCnt2 - cck_base;
-	ah->stats.ast_ani_cckerrs +=
-		cckPhyErrCnt - aniState->cckPhyErrCount;
-	aniState->cckPhyErrCount = cckPhyErrCnt;
 	return true;
 }
 
@@ -716,21 +436,10 @@ void ath9k_hw_ani_monitor(struct ath_hw 
 
 	if (aniState->listenTime > ah->aniperiod) {
 		if (cckPhyErrRate < ah->config.cck_trig_low &&
-		    ((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
-		      aniState->ofdmNoiseImmunityLevel <
-		      ATH9K_ANI_OFDM_DEF_LEVEL) ||
-		     (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
-		      aniState->ofdmNoiseImmunityLevel >=
-		      ATH9K_ANI_OFDM_DEF_LEVEL))) {
+		    ofdmPhyErrRate < ah->config.ofdm_trig_low) {
 			ath9k_hw_ani_lower_immunity(ah);
 			aniState->ofdmsTurn = !aniState->ofdmsTurn;
-		} else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
-			    aniState->ofdmNoiseImmunityLevel >=
-			    ATH9K_ANI_OFDM_DEF_LEVEL) ||
-			   (ofdmPhyErrRate >
-			    ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
-			    aniState->ofdmNoiseImmunityLevel <
-			    ATH9K_ANI_OFDM_DEF_LEVEL)) {
+		} else if (ofdmPhyErrRate > ah->config.ofdm_trig_high) {
 			ath9k_hw_ani_ofdm_err_trigger(ah);
 			aniState->ofdmsTurn = false;
 		} else if (cckPhyErrRate > ah->config.cck_trig_high) {
@@ -778,49 +487,6 @@ void ath9k_hw_disable_mib_counters(struc
 }
 EXPORT_SYMBOL(ath9k_hw_disable_mib_counters);
 
-/*
- * Process a MIB interrupt.  We may potentially be invoked because
- * any of the MIB counters overflow/trigger so don't assume we're
- * here because a PHY error counter triggered.
- */
-void ath9k_hw_proc_mib_event(struct ath_hw *ah)
-{
-	u32 phyCnt1, phyCnt2;
-
-	/* Reset these counters regardless */
-	REG_WRITE(ah, AR_FILT_OFDM, 0);
-	REG_WRITE(ah, AR_FILT_CCK, 0);
-	if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING))
-		REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR);
-
-	/* Clear the mib counters and save them in the stats */
-	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
-
-	if (!DO_ANI(ah)) {
-		/*
-		 * We must always clear the interrupt cause by
-		 * resetting the phy error regs.
-		 */
-		REG_WRITE(ah, AR_PHY_ERR_1, 0);
-		REG_WRITE(ah, AR_PHY_ERR_2, 0);
-		return;
-	}
-
-	/* NB: these are not reset-on-read */
-	phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
-	phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
-	if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
-	    ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) {
-
-		if (!use_new_ani(ah))
-			ath9k_hw_ani_read_counters(ah);
-
-		/* NB: always restart to insure the h/w counters are reset */
-		ath9k_ani_restart(ah);
-	}
-}
-EXPORT_SYMBOL(ath9k_hw_proc_mib_event);
-
 void ath9k_hw_ani_setup(struct ath_hw *ah)
 {
 	int i;
@@ -845,50 +511,31 @@ void ath9k_hw_ani_init(struct ath_hw *ah
 
 	ath_dbg(common, ANI, "Initialize ANI\n");
 
-	if (use_new_ani(ah)) {
-		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_NEW;
-		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_NEW;
+	ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH;
+	ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW;
 
-		ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_NEW;
-		ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_NEW;
-	} else {
-		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_OLD;
-		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_OLD;
-
-		ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_OLD;
-		ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_OLD;
-	}
+	ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH;
+	ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW;
 
 	for (i = 0; i < ARRAY_SIZE(ah->channels); i++) {
 		struct ath9k_channel *chan = &ah->channels[i];
 		struct ar5416AniState *ani = &chan->ani;
 
-		if (use_new_ani(ah)) {
-			ani->spurImmunityLevel =
-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
+		ani->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
 
-			ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
+		ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
 
-			if (AR_SREV_9300_20_OR_LATER(ah))
-				ani->mrcCCKOff =
-					!ATH9K_ANI_ENABLE_MRC_CCK;
-			else
-				ani->mrcCCKOff = true;
-
-			ani->ofdmsTurn = true;
-		} else {
-			ani->spurImmunityLevel =
-				ATH9K_ANI_SPUR_IMMUNE_LVL_OLD;
-			ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_OLD;
+		if (AR_SREV_9300_20_OR_LATER(ah))
+			ani->mrcCCKOff =
+				!ATH9K_ANI_ENABLE_MRC_CCK;
+		else
+			ani->mrcCCKOff = true;
 
-			ani->cckWeakSigThreshold =
-				ATH9K_ANI_CCK_WEAK_SIG_THR;
-		}
+		ani->ofdmsTurn = true;
 
 		ani->rssiThrHigh = ATH9K_ANI_RSSI_THR_HIGH;
 		ani->rssiThrLow = ATH9K_ANI_RSSI_THR_LOW;
-		ani->ofdmWeakSigDetectOff =
-			!ATH9K_ANI_USE_OFDM_WEAK_SIG;
+		ani->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
 		ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
 		ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL;
 		ani->update_ani = false;
@@ -898,13 +545,8 @@ void ath9k_hw_ani_init(struct ath_hw *ah
 	 * since we expect some ongoing maintenance on the tables, let's sanity
 	 * check here default level should not modify INI setting.
 	 */
-	if (use_new_ani(ah)) {
-		ah->aniperiod = ATH9K_ANI_PERIOD_NEW;
-		ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_NEW;
-	} else {
-		ah->aniperiod = ATH9K_ANI_PERIOD_OLD;
-		ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_OLD;
-	}
+	ah->aniperiod = ATH9K_ANI_PERIOD;
+	ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL;
 
 	if (ah->config.enable_ani)
 		ah->proc_phyerr |= HAL_PROCESS_ANI;
--- a/drivers/net/wireless/ath/ath9k/ani.h
+++ b/drivers/net/wireless/ath/ath9k/ani.h
@@ -24,42 +24,34 @@
 #define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
 
 /* units are errors per second */
-#define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
-#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      3500
+#define ATH9K_ANI_OFDM_TRIG_HIGH          3500
 #define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
 
 /* units are errors per second */
-#define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
-#define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
+#define ATH9K_ANI_OFDM_TRIG_LOW           400
 #define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
 
 /* units are errors per second */
-#define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
-#define ATH9K_ANI_CCK_TRIG_HIGH_NEW       600
+#define ATH9K_ANI_CCK_TRIG_HIGH           600
 
 /* units are errors per second */
-#define ATH9K_ANI_CCK_TRIG_LOW_OLD        100
-#define ATH9K_ANI_CCK_TRIG_LOW_NEW        300
+#define ATH9K_ANI_CCK_TRIG_LOW            300
 
 #define ATH9K_ANI_NOISE_IMMUNE_LVL        4
 #define ATH9K_ANI_USE_OFDM_WEAK_SIG       true
 #define ATH9K_ANI_CCK_WEAK_SIG_THR        false
 
-#define ATH9K_ANI_SPUR_IMMUNE_LVL_OLD     7
-#define ATH9K_ANI_SPUR_IMMUNE_LVL_NEW     3
+#define ATH9K_ANI_SPUR_IMMUNE_LVL         3
 
-#define ATH9K_ANI_FIRSTEP_LVL_OLD         0
-#define ATH9K_ANI_FIRSTEP_LVL_NEW         2
+#define ATH9K_ANI_FIRSTEP_LVL             2
 
 #define ATH9K_ANI_RSSI_THR_HIGH           40
 #define ATH9K_ANI_RSSI_THR_LOW            7
 
-#define ATH9K_ANI_PERIOD_OLD              100
-#define ATH9K_ANI_PERIOD_NEW              300
+#define ATH9K_ANI_PERIOD                  300
 
 /* in ms */
-#define ATH9K_ANI_POLLINTERVAL_OLD        100
-#define ATH9K_ANI_POLLINTERVAL_NEW        1000
+#define ATH9K_ANI_POLLINTERVAL            1000
 
 #define HAL_NOISE_IMMUNE_MAX              4
 #define HAL_SPUR_IMMUNE_MAX               7
@@ -122,13 +114,12 @@ struct ar5416AniState {
 	u8 mrcCCKOff;
 	u8 spurImmunityLevel;
 	u8 firstepLevel;
-	u8 ofdmWeakSigDetectOff;
+	u8 ofdmWeakSigDetect;
 	u8 cckWeakSigThreshold;
 	bool update_ani;
 	u32 listenTime;
 	int32_t rssiThrLow;
 	int32_t rssiThrHigh;
-	u32 noiseFloor;
 	u32 ofdmPhyErrCount;
 	u32 cckPhyErrCount;
 	int16_t pktRssi[2];
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -995,141 +995,6 @@ static u32 ar5008_hw_compute_pll_control
 	return pll;
 }
 
-static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
-				      enum ath9k_ani_cmd cmd,
-				      int param)
-{
-	struct ar5416AniState *aniState = &ah->curchan->ani;
-	struct ath_common *common = ath9k_hw_common(ah);
-
-	switch (cmd & ah->ani_function) {
-	case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
-		u32 level = param;
-
-		if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
-			ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
-				level, ARRAY_SIZE(ah->totalSizeDesired));
-			return false;
-		}
-
-		REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
-			      AR_PHY_DESIRED_SZ_TOT_DES,
-			      ah->totalSizeDesired[level]);
-		REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
-			      AR_PHY_AGC_CTL1_COARSE_LOW,
-			      ah->coarse_low[level]);
-		REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
-			      AR_PHY_AGC_CTL1_COARSE_HIGH,
-			      ah->coarse_high[level]);
-		REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
-			      AR_PHY_FIND_SIG_FIRPWR,
-			      ah->firpwr[level]);
-
-		if (level > aniState->noiseImmunityLevel)
-			ah->stats.ast_ani_niup++;
-		else if (level < aniState->noiseImmunityLevel)
-			ah->stats.ast_ani_nidown++;
-		aniState->noiseImmunityLevel = level;
-		break;
-	}
-	case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
-		u32 on = param ? 1 : 0;
-
-		if (on)
-			REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
-				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
-		else
-			REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
-				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
-
-		if (!on != aniState->ofdmWeakSigDetectOff) {
-			if (on)
-				ah->stats.ast_ani_ofdmon++;
-			else
-				ah->stats.ast_ani_ofdmoff++;
-			aniState->ofdmWeakSigDetectOff = !on;
-		}
-		break;
-	}
-	case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
-		static const int weakSigThrCck[] = { 8, 6 };
-		u32 high = param ? 1 : 0;
-
-		REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
-			      AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
-			      weakSigThrCck[high]);
-		if (high != aniState->cckWeakSigThreshold) {
-			if (high)
-				ah->stats.ast_ani_cckhigh++;
-			else
-				ah->stats.ast_ani_ccklow++;
-			aniState->cckWeakSigThreshold = high;
-		}
-		break;
-	}
-	case ATH9K_ANI_FIRSTEP_LEVEL:{
-		static const int firstep[] = { 0, 4, 8 };
-		u32 level = param;
-
-		if (level >= ARRAY_SIZE(firstep)) {
-			ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
-				level, ARRAY_SIZE(firstep));
-			return false;
-		}
-		REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
-			      AR_PHY_FIND_SIG_FIRSTEP,
-			      firstep[level]);
-		if (level > aniState->firstepLevel)
-			ah->stats.ast_ani_stepup++;
-		else if (level < aniState->firstepLevel)
-			ah->stats.ast_ani_stepdown++;
-		aniState->firstepLevel = level;
-		break;
-	}
-	case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
-		static const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
-		u32 level = param;
-
-		if (level >= ARRAY_SIZE(cycpwrThr1)) {
-			ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
-				level, ARRAY_SIZE(cycpwrThr1));
-			return false;
-		}
-		REG_RMW_FIELD(ah, AR_PHY_TIMING5,
-			      AR_PHY_TIMING5_CYCPWR_THR1,
-			      cycpwrThr1[level]);
-		if (level > aniState->spurImmunityLevel)
-			ah->stats.ast_ani_spurup++;
-		else if (level < aniState->spurImmunityLevel)
-			ah->stats.ast_ani_spurdown++;
-		aniState->spurImmunityLevel = level;
-		break;
-	}
-	case ATH9K_ANI_PRESENT:
-		break;
-	default:
-		ath_dbg(common, ANI, "invalid cmd %u\n", cmd);
-		return false;
-	}
-
-	ath_dbg(common, ANI, "ANI parameters:\n");
-	ath_dbg(common, ANI,
-		"noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetectOff=%d\n",
-		aniState->noiseImmunityLevel,
-		aniState->spurImmunityLevel,
-		!aniState->ofdmWeakSigDetectOff);
-	ath_dbg(common, ANI,
-		"cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n",
-		aniState->cckWeakSigThreshold,
-		aniState->firstepLevel,
-		aniState->listenTime);
-	ath_dbg(common, ANI, "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
-		aniState->ofdmPhyErrCount,
-		aniState->cckPhyErrCount);
-
-	return true;
-}
-
 static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
 				      enum ath9k_ani_cmd cmd,
 				      int param)
@@ -1206,18 +1071,18 @@ static bool ar5008_hw_ani_control_new(st
 			REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
 				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
 
-		if (!on != aniState->ofdmWeakSigDetectOff) {
+		if (on != aniState->ofdmWeakSigDetect) {
 			ath_dbg(common, ANI,
 				"** ch %d: ofdm weak signal: %s=>%s\n",
 				chan->channel,
-				!aniState->ofdmWeakSigDetectOff ?
+				aniState->ofdmWeakSigDetect ?
 				"on" : "off",
 				on ? "on" : "off");
 			if (on)
 				ah->stats.ast_ani_ofdmon++;
 			else
 				ah->stats.ast_ani_ofdmoff++;
-			aniState->ofdmWeakSigDetectOff = !on;
+			aniState->ofdmWeakSigDetect = on;
 		}
 		break;
 	}
@@ -1236,7 +1101,7 @@ static bool ar5008_hw_ani_control_new(st
 		 * from INI file & cap value
 		 */
 		value = firstep_table[level] -
-			firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
+			firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
 			aniState->iniDef.firstep;
 		if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
 			value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
@@ -1251,7 +1116,7 @@ static bool ar5008_hw_ani_control_new(st
 		 * from INI file & cap value
 		 */
 		value2 = firstep_table[level] -
-			 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
+			 firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
 			 aniState->iniDef.firstepLow;
 		if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
 			value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
@@ -1267,7 +1132,7 @@ static bool ar5008_hw_ani_control_new(st
 				chan->channel,
 				aniState->firstepLevel,
 				level,
-				ATH9K_ANI_FIRSTEP_LVL_NEW,
+				ATH9K_ANI_FIRSTEP_LVL,
 				value,
 				aniState->iniDef.firstep);
 			ath_dbg(common, ANI,
@@ -1275,7 +1140,7 @@ static bool ar5008_hw_ani_control_new(st
 				chan->channel,
 				aniState->firstepLevel,
 				level,
-				ATH9K_ANI_FIRSTEP_LVL_NEW,
+				ATH9K_ANI_FIRSTEP_LVL,
 				value2,
 				aniState->iniDef.firstepLow);
 			if (level > aniState->firstepLevel)
@@ -1300,7 +1165,7 @@ static bool ar5008_hw_ani_control_new(st
 		 * from INI file & cap value
 		 */
 		value = cycpwrThr1_table[level] -
-			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
+			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
 			aniState->iniDef.cycpwrThr1;
 		if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
 			value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
@@ -1316,7 +1181,7 @@ static bool ar5008_hw_ani_control_new(st
 		 * from INI file & cap value
 		 */
 		value2 = cycpwrThr1_table[level] -
-			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
+			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
 			 aniState->iniDef.cycpwrThr1Ext;
 		if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
 			value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
@@ -1331,7 +1196,7 @@ static bool ar5008_hw_ani_control_new(st
 				chan->channel,
 				aniState->spurImmunityLevel,
 				level,
-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
+				ATH9K_ANI_SPUR_IMMUNE_LVL,
 				value,
 				aniState->iniDef.cycpwrThr1);
 			ath_dbg(common, ANI,
@@ -1339,7 +1204,7 @@ static bool ar5008_hw_ani_control_new(st
 				chan->channel,
 				aniState->spurImmunityLevel,
 				level,
-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
+				ATH9K_ANI_SPUR_IMMUNE_LVL,
 				value2,
 				aniState->iniDef.cycpwrThr1Ext);
 			if (level > aniState->spurImmunityLevel)
@@ -1367,7 +1232,7 @@ static bool ar5008_hw_ani_control_new(st
 	ath_dbg(common, ANI,
 		"ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
 		aniState->spurImmunityLevel,
-		!aniState->ofdmWeakSigDetectOff ? "on" : "off",
+		aniState->ofdmWeakSigDetect ? "on" : "off",
 		aniState->firstepLevel,
 		!aniState->mrcCCKOff ? "on" : "off",
 		aniState->listenTime,
@@ -1454,9 +1319,9 @@ static void ar5008_hw_ani_cache_ini_regs
 					       AR_PHY_EXT_TIMING5_CYCPWR_THR1);
 
 	/* these levels just got reset to defaults by the INI */
-	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
-	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
-	aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
+	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
+	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
+	aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
 	aniState->mrcCCKOff = true; /* not available on pre AR9003 */
 }
 
@@ -1545,11 +1410,8 @@ void ar5008_hw_attach_phy_ops(struct ath
 	priv_ops->do_getnf = ar5008_hw_do_getnf;
 	priv_ops->set_radar_params = ar5008_hw_set_radar_params;
 
-	if (modparam_force_new_ani) {
-		priv_ops->ani_control = ar5008_hw_ani_control_new;
-		priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
-	} else
-		priv_ops->ani_control = ar5008_hw_ani_control_old;
+	priv_ops->ani_control = ar5008_hw_ani_control_new;
+	priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
 
 	if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
 		priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -21,10 +21,6 @@
 #include "ar9002_initvals.h"
 #include "ar9002_phy.h"
 
-int modparam_force_new_ani;
-module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
-MODULE_PARM_DESC(force_new_ani, "Force new ANI for AR5008, AR9001, AR9002");
-
 /* General hardware code for the A5008/AR9001/AR9002 hadware families */
 
 static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -825,18 +825,18 @@ static bool ar9003_hw_ani_control(struct
 			REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
 				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
 
-		if (!on != aniState->ofdmWeakSigDetectOff) {
+		if (on != aniState->ofdmWeakSigDetect) {
 			ath_dbg(common, ANI,
 				"** ch %d: ofdm weak signal: %s=>%s\n",
 				chan->channel,
-				!aniState->ofdmWeakSigDetectOff ?
+				aniState->ofdmWeakSigDetect ?
 				"on" : "off",
 				on ? "on" : "off");
 			if (on)
 				ah->stats.ast_ani_ofdmon++;
 			else
 				ah->stats.ast_ani_ofdmoff++;
-			aniState->ofdmWeakSigDetectOff = !on;
+			aniState->ofdmWeakSigDetect = on;
 		}
 		break;
 	}
@@ -855,7 +855,7 @@ static bool ar9003_hw_ani_control(struct
 		 * from INI file & cap value
 		 */
 		value = firstep_table[level] -
-			firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
+			firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
 			aniState->iniDef.firstep;
 		if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
 			value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
@@ -870,7 +870,7 @@ static bool ar9003_hw_ani_control(struct
 		 * from INI file & cap value
 		 */
 		value2 = firstep_table[level] -
-			 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
+			 firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
 			 aniState->iniDef.firstepLow;
 		if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
 			value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
@@ -886,7 +886,7 @@ static bool ar9003_hw_ani_control(struct
 				chan->channel,
 				aniState->firstepLevel,
 				level,
-				ATH9K_ANI_FIRSTEP_LVL_NEW,
+				ATH9K_ANI_FIRSTEP_LVL,
 				value,
 				aniState->iniDef.firstep);
 			ath_dbg(common, ANI,
@@ -894,7 +894,7 @@ static bool ar9003_hw_ani_control(struct
 				chan->channel,
 				aniState->firstepLevel,
 				level,
-				ATH9K_ANI_FIRSTEP_LVL_NEW,
+				ATH9K_ANI_FIRSTEP_LVL,
 				value2,
 				aniState->iniDef.firstepLow);
 			if (level > aniState->firstepLevel)
@@ -919,7 +919,7 @@ static bool ar9003_hw_ani_control(struct
 		 * from INI file & cap value
 		 */
 		value = cycpwrThr1_table[level] -
-			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
+			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
 			aniState->iniDef.cycpwrThr1;
 		if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
 			value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
@@ -935,7 +935,7 @@ static bool ar9003_hw_ani_control(struct
 		 * from INI file & cap value
 		 */
 		value2 = cycpwrThr1_table[level] -
-			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
+			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
 			 aniState->iniDef.cycpwrThr1Ext;
 		if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
 			value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
@@ -950,7 +950,7 @@ static bool ar9003_hw_ani_control(struct
 				chan->channel,
 				aniState->spurImmunityLevel,
 				level,
-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
+				ATH9K_ANI_SPUR_IMMUNE_LVL,
 				value,
 				aniState->iniDef.cycpwrThr1);
 			ath_dbg(common, ANI,
@@ -958,7 +958,7 @@ static bool ar9003_hw_ani_control(struct
 				chan->channel,
 				aniState->spurImmunityLevel,
 				level,
-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
+				ATH9K_ANI_SPUR_IMMUNE_LVL,
 				value2,
 				aniState->iniDef.cycpwrThr1Ext);
 			if (level > aniState->spurImmunityLevel)
@@ -1002,7 +1002,7 @@ static bool ar9003_hw_ani_control(struct
 	ath_dbg(common, ANI,
 		"ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
 		aniState->spurImmunityLevel,
-		!aniState->ofdmWeakSigDetectOff ? "on" : "off",
+		aniState->ofdmWeakSigDetect ? "on" : "off",
 		aniState->firstepLevel,
 		!aniState->mrcCCKOff ? "on" : "off",
 		aniState->listenTime,
@@ -1111,9 +1111,9 @@ static void ar9003_hw_ani_cache_ini_regs
 					       AR_PHY_EXT_CYCPWR_THR1);
 
 	/* these levels just got reset to defaults by the INI */
-	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
-	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
-	aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
+	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
+	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
+	aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
 	aniState->mrcCCKOff = !ATH9K_ANI_ENABLE_MRC_CCK;
 }
 
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -348,8 +348,6 @@ void ath_debug_stat_interrupt(struct ath
 		sc->debug.stats.istats.txok++;
 	if (status & ATH9K_INT_TXURN)
 		sc->debug.stats.istats.txurn++;
-	if (status & ATH9K_INT_MIB)
-		sc->debug.stats.istats.mib++;
 	if (status & ATH9K_INT_RXPHY)
 		sc->debug.stats.istats.rxphyerr++;
 	if (status & ATH9K_INT_RXKCM)
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -1019,16 +1019,8 @@ void ar9002_hw_attach_ops(struct ath_hw 
 void ar9003_hw_attach_ops(struct ath_hw *ah);
 
 void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan);
-/*
- * ANI work can be shared between all families but a next
- * generation implementation of ANI will be used only for AR9003 only
- * for now as the other families still need to be tested with the same
- * next generation ANI. Feel free to start testing it though for the
- * older families (AR5008, AR9001, AR9002) by using modparam_force_new_ani.
- */
-extern int modparam_force_new_ani;
+
 void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning);
-void ath9k_hw_proc_mib_event(struct ath_hw *ah);
 void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
 
 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -19,7 +19,7 @@
 #include "ath9k.h"
 #include "btcoex.h"
 
-static u8 parse_mpdudensity(u8 mpdudensity)
+u8 ath9k_parse_mpdudensity(u8 mpdudensity)
 {
 	/*
 	 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
@@ -320,6 +320,7 @@ static void ath_node_attach(struct ath_s
 			    struct ieee80211_vif *vif)
 {
 	struct ath_node *an;
+	u8 density;
 	an = (struct ath_node *)sta->drv_priv;
 
 #ifdef CONFIG_ATH9K_DEBUGFS
@@ -334,7 +335,8 @@ static void ath_node_attach(struct ath_s
 		ath_tx_node_init(sc, an);
 		an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
 				     sta->ht_cap.ampdu_factor);
-		an->mpdudensity = parse_mpdudensity(sta->ht_cap.ampdu_density);
+		density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density);
+		an->mpdudensity = density;
 	}
 }
 
@@ -516,24 +518,6 @@ irqreturn_t ath_isr(int irq, void *dev)
 		ath9k_hw_set_interrupts(ah);
 	}
 
-	if (status & ATH9K_INT_MIB) {
-		/*
-		 * Disable interrupts until we service the MIB
-		 * interrupt; otherwise it will continue to
-		 * fire.
-		 */
-		ath9k_hw_disable_interrupts(ah);
-		/*
-		 * Let the hal handle the event. We assume
-		 * it will clear whatever condition caused
-		 * the interrupt.
-		 */
-		spin_lock(&common->cc_lock);
-		ath9k_hw_proc_mib_event(ah);
-		spin_unlock(&common->cc_lock);
-		ath9k_hw_enable_interrupts(ah);
-	}
-
 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
 		if (status & ATH9K_INT_TIM_TIMER) {
 			if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
@@ -959,14 +943,10 @@ static void ath9k_calculate_summary_stat
 	/*
 	 * Enable MIB interrupts when there are hardware phy counters.
 	 */
-	if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) {
-		if (ah->config.enable_ani)
-			ah->imask |= ATH9K_INT_MIB;
+	if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0)
 		ah->imask |= ATH9K_INT_TSFOOR;
-	} else {
-		ah->imask &= ~ATH9K_INT_MIB;
+	else
 		ah->imask &= ~ATH9K_INT_TSFOOR;
-	}
 
 	ath9k_hw_set_interrupts(ah);
 
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -201,6 +201,8 @@ static void ieee80211_send_addba_resp(st
 		memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
 	else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
 		memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
+	else if (sdata->vif.type == NL80211_IFTYPE_WDS)
+		memcpy(mgmt->bssid, da, ETH_ALEN);
 
 	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 					  IEEE80211_STYPE_ACTION);
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
 	memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
 	if (sdata->vif.type == NL80211_IFTYPE_AP ||
 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
-	    sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
+	    sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
+	    sdata->vif.type == NL80211_IFTYPE_WDS)
 		memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
 	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
 		memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
@@ -456,6 +457,7 @@ int ieee80211_start_tx_ba_session(struct
 	    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 	    sdata->vif.type != NL80211_IFTYPE_AP &&
+	    sdata->vif.type != NL80211_IFTYPE_WDS &&
 	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
 		return -EINVAL;
 
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
 	test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
 
 	int res = scnprintf(buf, sizeof(buf),
-			    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+			    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
 			    TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
 			    TEST(PS_DRIVER), TEST(AUTHORIZED),
 			    TEST(SHORT_PREAMBLE),
-			    TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
+			    TEST(WME), TEST(CLEAR_PS_FILT),
 			    TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
 			    TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
 			    TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -284,7 +284,6 @@ static int ieee80211_do_open(struct net_
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_local *local = sdata->local;
-	struct sta_info *sta;
 	u32 changed = 0;
 	int res;
 	u32 hw_reconf_flags = 0;
@@ -430,28 +429,6 @@ static int ieee80211_do_open(struct net_
 
 	set_bit(SDATA_STATE_RUNNING, &sdata->state);
 
-	if (sdata->vif.type == NL80211_IFTYPE_WDS) {
-		/* Create STA entry for the WDS peer */
-		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
-				     GFP_KERNEL);
-		if (!sta) {
-			res = -ENOMEM;
-			goto err_del_interface;
-		}
-
-		sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
-		sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
-		sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
-
-		res = sta_info_insert(sta);
-		if (res) {
-			/* STA has been freed */
-			goto err_del_interface;
-		}
-
-		rate_control_rate_init(sta);
-	}
-
 	/*
 	 * set_multicast_list will be invoked by the networking core
 	 * which will check whether any increments here were done in
@@ -639,6 +616,8 @@ static void ieee80211_do_stop(struct iee
 		ieee80211_configure_filter(local);
 		break;
 	default:
+		flush_work(&local->hw_roc_start);
+		flush_work(&local->hw_roc_done);
 		flush_work(&sdata->work);
 		/*
 		 * When we get here, the interface is marked down.
@@ -845,6 +824,72 @@ static void ieee80211_if_setup(struct ne
 	dev->destructor = free_netdev;
 }
 
+static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+					 struct sk_buff *skb)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_rx_status *rx_status;
+	struct ieee802_11_elems elems;
+	struct ieee80211_mgmt *mgmt;
+	struct sta_info *sta;
+	size_t baselen;
+	u32 rates = 0;
+	u16 stype;
+	bool new = false;
+	enum ieee80211_band band = local->hw.conf.channel->band;
+	struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+
+	rx_status = IEEE80211_SKB_RXCB(skb);
+	mgmt = (struct ieee80211_mgmt *) skb->data;
+	stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+
+	if (stype != IEEE80211_STYPE_BEACON)
+		return;
+
+	baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+	if (baselen > skb->len)
+		return;
+
+	ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
+			       skb->len - baselen, &elems);
+
+	rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
+
+	rcu_read_lock();
+
+	sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
+
+	if (!sta) {
+		rcu_read_unlock();
+		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+				     GFP_KERNEL);
+		if (!sta)
+			return;
+
+		new = true;
+	}
+
+	sta->last_rx = jiffies;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+
+	if (elems.ht_cap_elem)
+		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
+				elems.ht_cap_elem, &sta->sta.ht_cap);
+
+	if (elems.wmm_param)
+		set_sta_flag(sta, WLAN_STA_WME);
+
+	if (new) {
+		sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+		sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+		sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
+		rate_control_rate_init(sta);
+		sta_info_insert_rcu(sta);
+	}
+
+	rcu_read_unlock();
+}
+
 static void ieee80211_iface_work(struct work_struct *work)
 {
 	struct ieee80211_sub_if_data *sdata =
@@ -949,6 +994,9 @@ static void ieee80211_iface_work(struct 
 				break;
 			ieee80211_mesh_rx_queued_mgmt(sdata, skb);
 			break;
+		case NL80211_IFTYPE_WDS:
+			ieee80211_wds_rx_queued_mgmt(sdata, skb);
+			break;
 		default:
 			WARN(1, "frame for unexpected interface type");
 			break;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2281,6 +2281,7 @@ ieee80211_rx_h_action(struct ieee80211_r
 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 		    sdata->vif.type != NL80211_IFTYPE_AP &&
+		    sdata->vif.type != NL80211_IFTYPE_WDS &&
 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)
 			break;
 
@@ -2495,14 +2496,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
 
 	if (!ieee80211_vif_is_mesh(&sdata->vif) &&
 	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&
-	    sdata->vif.type != NL80211_IFTYPE_STATION)
+	    sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_WDS)
 		return RX_DROP_MONITOR;
 
 	switch (stype) {
 	case cpu_to_le16(IEEE80211_STYPE_AUTH):
 	case cpu_to_le16(IEEE80211_STYPE_BEACON):
 	case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
-		/* process for all: mesh, mlme, ibss */
+		/* process for all: mesh, mlme, ibss, wds */
 		break;
 	case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
 	case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
@@ -2833,10 +2835,16 @@ static int prepare_for_handlers(struct i
 		}
 		break;
 	case NL80211_IFTYPE_WDS:
-		if (bssid || !ieee80211_is_data(hdr->frame_control))
-			return 0;
 		if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
 			return 0;
+
+		if (ieee80211_is_data(hdr->frame_control) ||
+		    ieee80211_is_action(hdr->frame_control)) {
+			if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
+				return 0;
+		} else if (!ieee80211_is_beacon(hdr->frame_control))
+			return 0;
+
 		break;
 	default:
 		/* should never get here */
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -32,7 +32,6 @@
  * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
  *	frames.
  * @WLAN_STA_WME: Station is a QoS-STA.
- * @WLAN_STA_WDS: Station is one of our WDS peers.
  * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
  *	IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
  *	frame to this station is transmitted.
@@ -64,7 +63,6 @@ enum ieee80211_sta_info_flags {
 	WLAN_STA_AUTHORIZED,
 	WLAN_STA_SHORT_PREAMBLE,
 	WLAN_STA_WME,
-	WLAN_STA_WDS,
 	WLAN_STA_CLEAR_PS_FILT,
 	WLAN_STA_MFP,
 	WLAN_STA_BLOCK_BA,
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -214,6 +214,7 @@ struct ath_frame_info {
 	enum ath9k_key_type keytype;
 	u8 keyix;
 	u8 retries;
+	u8 rtscts_rate;
 };
 
 struct ath_buf_state {
@@ -721,6 +722,7 @@ extern int ath9k_modparam_nohwcrypt;
 extern int led_blink;
 extern bool is_ath9k_unloaded;
 
+u8 ath9k_parse_mpdudensity(u8 mpdudensity);
 irqreturn_t ath_isr(int irq, void *dev);
 int ath9k_init_device(u16 devid, struct ath_softc *sc,
 		    const struct ath_bus_ops *bus_ops);
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -938,6 +938,7 @@ static void ath_buf_set_rate(struct ath_
 	struct ieee80211_tx_rate *rates;
 	const struct ieee80211_rate *rate;
 	struct ieee80211_hdr *hdr;
+	struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu);
 	int i;
 	u8 rix = 0;
 
@@ -948,18 +949,7 @@ static void ath_buf_set_rate(struct ath_
 
 	/* set dur_update_en for l-sig computation except for PS-Poll frames */
 	info->dur_update = !ieee80211_is_pspoll(hdr->frame_control);
-
-	/*
-	 * We check if Short Preamble is needed for the CTS rate by
-	 * checking the BSS's global flag.
-	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
-	 */
-	rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
-	info->rtscts_rate = rate->hw_value;
-
-	if (tx_info->control.vif &&
-	    tx_info->control.vif->bss_conf.use_short_preamble)
-		info->rtscts_rate |= rate->hw_value_short;
+	info->rtscts_rate = fi->rtscts_rate;
 
 	for (i = 0; i < 4; i++) {
 		bool is_40, is_sgi, is_sp;
@@ -1001,13 +991,13 @@ static void ath_buf_set_rate(struct ath_
 		}
 
 		/* legacy rates */
+		rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
 		if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
 		    !(rate->flags & IEEE80211_RATE_ERP_G))
 			phy = WLAN_RC_PHY_CCK;
 		else
 			phy = WLAN_RC_PHY_OFDM;
 
-		rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
 		info->rates[i].Rate = rate->hw_value;
 		if (rate->hw_value_short) {
 			if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
@@ -1175,6 +1165,7 @@ int ath_tx_aggr_start(struct ath_softc *
 {
 	struct ath_atx_tid *txtid;
 	struct ath_node *an;
+	u8 density;
 
 	an = (struct ath_node *)sta->drv_priv;
 	txtid = ATH_AN_2_TID(an, tid);
@@ -1182,6 +1173,17 @@ int ath_tx_aggr_start(struct ath_softc *
 	if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE))
 		return -EAGAIN;
 
+	/* update ampdu factor/density, they may have changed. This may happen
+	 * in HT IBSS when a beacon with HT-info is received after the station
+	 * has already been added.
+	 */
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+		an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+				     sta->ht_cap.ampdu_factor);
+		density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density);
+		an->mpdudensity = density;
+	}
+
 	txtid->state |= AGGR_ADDBA_PROGRESS;
 	txtid->paused = true;
 	*ssn = txtid->seq_start = txtid->seq_next;
@@ -1776,10 +1778,22 @@ static void setup_frame_info(struct ieee
 	struct ieee80211_sta *sta = tx_info->control.sta;
 	struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	const struct ieee80211_rate *rate;
 	struct ath_frame_info *fi = get_frame_info(skb);
 	struct ath_node *an = NULL;
 	enum ath9k_key_type keytype;
+	bool short_preamble = false;
+
+	/*
+	 * We check if Short Preamble is needed for the CTS rate by
+	 * checking the BSS's global flag.
+	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
+	 */
+	if (tx_info->control.vif &&
+	    tx_info->control.vif->bss_conf.use_short_preamble)
+		short_preamble = true;
 
+	rate = ieee80211_get_rts_cts_rate(hw, tx_info);
 	keytype = ath9k_cmn_get_hw_crypto_keytype(skb);
 
 	if (sta)
@@ -1794,6 +1808,9 @@ static void setup_frame_info(struct ieee
 		fi->keyix = ATH9K_TXKEYIX_INVALID;
 	fi->keytype = keytype;
 	fi->framelen = framelen;
+	fi->rtscts_rate = rate->hw_value;
+	if (short_preamble)
+		fi->rtscts_rate |= rate->hw_value_short;
 }
 
 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2246,6 +2246,33 @@ static int nl80211_parse_beacon(struct g
 	return 0;
 }
 
+static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
+				   struct cfg80211_ap_settings *params)
+{
+	struct wireless_dev *wdev;
+	bool ret = false;
+
+	mutex_lock(&rdev->devlist_mtx);
+
+	list_for_each_entry(wdev, &rdev->netdev_list, list) {
+		if (wdev->iftype != NL80211_IFTYPE_AP &&
+		    wdev->iftype != NL80211_IFTYPE_P2P_GO)
+			continue;
+
+		if (!wdev->preset_chan)
+			continue;
+
+		params->channel = wdev->preset_chan;
+		params->channel_type = wdev->preset_chantype;
+		ret = true;
+		break;
+	}
+
+	mutex_unlock(&rdev->devlist_mtx);
+
+	return ret;
+}
+
 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -2348,7 +2375,7 @@ static int nl80211_start_ap(struct sk_bu
 	} else if (wdev->preset_chan) {
 		params.channel = wdev->preset_chan;
 		params.channel_type = wdev->preset_chantype;
-	} else
+	} else if (!nl80211_get_ap_channel(rdev, &params))
 		return -EINVAL;
 
 	if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, params.channel,
@@ -2356,8 +2383,11 @@ static int nl80211_start_ap(struct sk_bu
 		return -EINVAL;
 
 	err = rdev->ops->start_ap(&rdev->wiphy, dev, &params);
-	if (!err)
+	if (!err) {
+		wdev->preset_chan = params.channel;
+		wdev->preset_chantype = params.channel_type;
 		wdev->beacon_interval = params.beacon_interval;
+	}
 	return err;
 }
 
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -407,6 +407,7 @@ void ath_ani_calibrate(unsigned long dat
 		longcal ? "long" : "", shortcal ? "short" : "",
 		aniflag ? "ani" : "", common->ani.caldone ? "true" : "false");
 
+	ath9k_debug_samp_bb_mac(sc);
 	ath9k_ps_restore(sc);
 
 set_timer:
@@ -415,7 +416,6 @@ set_timer:
 	* The interval must be the shortest necessary to satisfy ANI,
 	* short calibration and long calibration.
 	*/
-	ath9k_debug_samp_bb_mac(sc);
 	cal_interval = ATH_LONG_CALINTERVAL;
 	if (sc->sc_ah->config.enable_ani)
 		cal_interval = min(cal_interval,