From: Felix Fietkau Date: Sat, 10 Mar 2012 12:59:43 +0000 (+0000) Subject: ath9k: merge an ANI improvement patch, improves performance in some environments X-Git-Tag: attitude_adjustment_12.09~2110 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=241601b938c5b33e795324c41dd0eeb0626b5dc2;p=openwrt%2Fsvn-archive%2Fopenwrt.git ath9k: merge an ANI improvement patch, improves performance in some environments SVN-Revision: 30867 --- diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 14082e76a3..4eb0a3f14e 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1574,7 +1574,15 @@ mode = ATH9K_PM_NETWORK_SLEEP; else goto unlock; -@@ -2300,6 +2302,7 @@ static int ath9k_tx_last_beacon(struct i +@@ -1955,6 +1957,7 @@ static void ath9k_config_bss(struct ath_ + sc->sc_flags &= ~SC_OP_ANI_RUN; + del_timer_sync(&common->ani.timer); + memset(&sc->caldata, 0, sizeof(sc->caldata)); ++ ath9k_hw_ani_init(sc->sc_ah); + } + } + +@@ -2300,6 +2303,7 @@ static int ath9k_tx_last_beacon(struct i struct ath_vif *avp; struct ath_buf *bf; struct ath_tx_status ts; @@ -1582,7 +1590,7 @@ int status; vif = sc->beacon.bslot[0]; -@@ -2310,7 +2313,7 @@ static int ath9k_tx_last_beacon(struct i +@@ -2310,7 +2314,7 @@ static int ath9k_tx_last_beacon(struct i if (!avp->is_bslot_active) return 0; @@ -1618,3 +1626,228 @@ u32 rx_fifo_hwsize; }; +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry + { 5, 4, 1 }, /* lvl 5 */ + { 6, 5, 1 }, /* lvl 6 */ + { 7, 6, 1 }, /* lvl 7 */ +- { 7, 7, 1 }, /* lvl 8 */ +- { 7, 8, 0 } /* lvl 9 */ ++ { 7, 6, 0 }, /* lvl 8 */ ++ { 7, 7, 0 } /* lvl 9 */ + }; + #define ATH9K_ANI_OFDM_NUM_LEVEL \ + ARRAY_SIZE(ofdm_level_table) +@@ -91,8 +91,8 @@ static const struct ani_cck_level_entry + { 4, 0 }, /* lvl 4 */ + { 5, 0 }, /* lvl 5 */ + { 6, 0 }, /* lvl 6 */ +- { 7, 0 }, /* lvl 7 (only for high rssi) */ +- { 8, 0 } /* lvl 8 (only for high rssi) */ ++ { 6, 0 }, /* lvl 7 (only for high rssi) */ ++ { 7, 0 } /* lvl 8 (only for high rssi) */ + }; + + #define ATH9K_ANI_CCK_NUM_LEVEL \ +@@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct + ATH9K_ANI_FIRSTEP_LEVEL, + entry_ofdm->fir_step_level); + +- if ((ah->opmode != NL80211_IFTYPE_STATION && +- ah->opmode != NL80211_IFTYPE_ADHOC) || +- aniState->noiseFloor <= aniState->rssiThrHigh) { +- if (aniState->ofdmWeakSigDetectOff) +- /* force on ofdm weak sig detect */ +- ath9k_hw_ani_control(ah, +- ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, +- true); +- else if (aniState->ofdmWeakSigDetectOff == +- entry_ofdm->ofdm_weak_signal_on) ++ if ((aniState->noiseFloor >= aniState->rssiThrHigh) && ++ (aniState->ofdmWeakSigDetectOff != ++ entry_ofdm->ofdm_weak_signal_on)) { + ath9k_hw_ani_control(ah, + ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, + entry_ofdm->ofdm_weak_signal_on); +@@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw + ofdmPhyErrRate, aniState->cckNoiseImmunityLevel, + cckPhyErrRate, aniState->ofdmsTurn); + +- if (aniState->listenTime > 5 * ah->aniperiod) { +- if (ofdmPhyErrRate <= ah->config.ofdm_trig_low && +- cckPhyErrRate <= ah->config.cck_trig_low) { ++ 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))) { + ath9k_hw_ani_lower_immunity(ah); + aniState->ofdmsTurn = !aniState->ofdmsTurn; +- } +- ath9k_ani_restart(ah); +- } else if (aniState->listenTime > ah->aniperiod) { +- /* check to see if need to raise immunity */ +- if (ofdmPhyErrRate > ah->config.ofdm_trig_high && +- (cckPhyErrRate <= ah->config.cck_trig_high || +- 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)) { + ath9k_hw_ani_ofdm_err_trigger(ah); +- ath9k_ani_restart(ah); + aniState->ofdmsTurn = false; + } else if (cckPhyErrRate > ah->config.cck_trig_high) { + ath9k_hw_ani_cck_err_trigger(ah); +- ath9k_ani_restart(ah); + aniState->ofdmsTurn = true; + } ++ ath9k_ani_restart(ah); + } + } + EXPORT_SYMBOL(ath9k_hw_ani_monitor); +@@ -911,3 +908,4 @@ void ath9k_hw_ani_init(struct ath_hw *ah + ath9k_ani_restart(ah); + ath9k_enable_mib_counters(ah); + } ++EXPORT_SYMBOL(ath9k_hw_ani_init); +--- a/drivers/net/wireless/ath/ath9k/ani.h ++++ b/drivers/net/wireless/ath/ath9k/ani.h +@@ -25,11 +25,13 @@ + + /* units are errors per second */ + #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD 500 +-#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 1000 ++#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 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_ABOVE_INI 900 + + /* units are errors per second */ + #define ATH9K_ANI_CCK_TRIG_HIGH_OLD 200 +@@ -53,7 +55,7 @@ + #define ATH9K_ANI_RSSI_THR_LOW 7 + + #define ATH9K_ANI_PERIOD_OLD 100 +-#define ATH9K_ANI_PERIOD_NEW 1000 ++#define ATH9K_ANI_PERIOD_NEW 300 + + /* in ms */ + #define ATH9K_ANI_POLLINTERVAL_OLD 100 +--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c +@@ -1056,46 +1056,8 @@ static bool ar5008_hw_ani_control_old(st + break; + } + case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{ +- static const int m1ThreshLow[] = { 127, 50 }; +- static const int m2ThreshLow[] = { 127, 40 }; +- static const int m1Thresh[] = { 127, 0x4d }; +- static const int m2Thresh[] = { 127, 0x40 }; +- static const int m2CountThr[] = { 31, 16 }; +- static const int m2CountThrLow[] = { 63, 48 }; + u32 on = param ? 1 : 0; + +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M1_THRESH_LOW, +- m1ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2_THRESH_LOW, +- m2ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M1_THRESH, +- m1Thresh[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2_THRESH, +- m2Thresh[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2COUNT_THR, +- m2CountThr[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, +- m2CountThrLow[on]); +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, +- m1ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, +- m2ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH, +- m1Thresh[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH, +- m2Thresh[on]); +- + if (on) + REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, + AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); +--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c +@@ -824,55 +824,6 @@ static bool ar9003_hw_ani_control(struct + * on == 0 means more noise imm + */ + u32 on = param ? 1 : 0; +- /* +- * make register setting for default +- * (weak sig detect ON) come from INI file +- */ +- int m1ThreshLow = on ? +- aniState->iniDef.m1ThreshLow : m1ThreshLow_off; +- int m2ThreshLow = on ? +- aniState->iniDef.m2ThreshLow : m2ThreshLow_off; +- int m1Thresh = on ? +- aniState->iniDef.m1Thresh : m1Thresh_off; +- int m2Thresh = on ? +- aniState->iniDef.m2Thresh : m2Thresh_off; +- int m2CountThr = on ? +- aniState->iniDef.m2CountThr : m2CountThr_off; +- int m2CountThrLow = on ? +- aniState->iniDef.m2CountThrLow : m2CountThrLow_off; +- int m1ThreshLowExt = on ? +- aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off; +- int m2ThreshLowExt = on ? +- aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off; +- int m1ThreshExt = on ? +- aniState->iniDef.m1ThreshExt : m1ThreshExt_off; +- int m2ThreshExt = on ? +- aniState->iniDef.m2ThreshExt : m2ThreshExt_off; +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M1_THRESH_LOW, +- m1ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2_THRESH_LOW, +- m2ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M1_THRESH, m1Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2_THRESH, m2Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2COUNT_THR, m2CountThr); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, +- m2CountThrLow); +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt); + + if (on) + REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,