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path: root/drivers/net/wireless/ath/ath9k/ani.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ani.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ani.c489
1 files changed, 64 insertions, 425 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index b4c77f9d7470..ff007f500feb 100644
--- 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 cck_level_table[] = {
#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(struct ath_hw *ah,
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_hw *ah)
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);
@@ -154,129 +139,23 @@ static void ath9k_ani_restart(struct ath_hw *ah)
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)
+static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
+ bool scan)
{
struct ar5416AniState *aniState = &ah->curchan->ani;
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;
+ if (!scan)
+ aniState->ofdmNoiseImmunityLevel = immunityLevel;
entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
@@ -292,12 +171,22 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
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;
}
}
@@ -308,43 +197,35 @@ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
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)
- ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1);
+ ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1, false);
}
/*
* Set the ANI settings to match an CCK level.
*/
-static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel)
+static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel,
+ bool scan)
{
struct ar5416AniState *aniState = &ah->curchan->ani;
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);
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;
+ if (!scan)
+ aniState->cckNoiseImmunityLevel = immunityLevel;
entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
@@ -359,7 +240,7 @@ static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel)
if (!AR_SREV_9300_20_OR_LATER(ah) || AR_SREV_9485(ah))
return;
- if (aniState->mrcCCKOff == entry_cck->mrc_cck_on)
+ if (aniState->mrcCCK != entry_cck->mrc_cck_on)
ath9k_hw_ani_control(ah,
ATH9K_ANI_MRC_CCK,
entry_cck->mrc_cck_on);
@@ -372,68 +253,11 @@ static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah)
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;
- }
+ ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1,
+ false);
}
/*
@@ -446,87 +270,18 @@ static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
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)) {
- ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel - 1);
+ ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel - 1,
+ false);
return;
}
/* lower CCK noise immunity */
if (aniState->cckNoiseImmunityLevel > 0)
- 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);
+ ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1,
+ false);
}
/*
@@ -539,13 +294,11 @@ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning)
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 +316,11 @@ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning)
/* 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)) {
@@ -585,9 +343,8 @@ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning)
aniState->ofdmNoiseImmunityLevel,
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 {
/*
@@ -601,13 +358,9 @@ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning)
is_scanning,
aniState->ofdmNoiseImmunityLevel,
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, is_scanning);
+ ath9k_hw_set_cck_nil(ah, cck_nil, is_scanning);
/*
* enable phy counters if hw supports or if not, enable phy
@@ -627,9 +380,6 @@ static bool ath9k_hw_ani_read_counters(struct ath_hw *ah)
{
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 +392,6 @@ static bool ath9k_hw_ani_read_counters(struct ath_hw *ah)
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 +399,12 @@ static bool ath9k_hw_ani_read_counters(struct ath_hw *ah)
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;
- ofdmPhyErrCnt = phyCnt1 - ofdm_base;
- ah->stats.ast_ani_ofdmerrs +=
- ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
- aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
+ ah->stats.ast_ani_cckerrs += phyCnt2 - aniState->cckPhyErrCount;
+ aniState->cckPhyErrCount = phyCnt2;
- cckPhyErrCnt = phyCnt2 - cck_base;
- ah->stats.ast_ani_cckerrs +=
- cckPhyErrCnt - aniState->cckPhyErrCount;
- aniState->cckPhyErrCount = cckPhyErrCnt;
return true;
}
@@ -716,21 +438,10 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan)
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 +489,6 @@ void ath9k_hw_disable_mib_counters(struct ath_hw *ah)
}
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;
@@ -845,66 +513,37 @@ 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;
-
- ani->cckWeakSigThreshold =
- ATH9K_ANI_CCK_WEAK_SIG_THR;
- }
+ ani->mrcCCK = AR_SREV_9300_20_OR_LATER(ah) ? true : false;
+
+ 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;
}
/*
* 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;