static void
ar5212AniCckErrTrigger(struct ath_hal *ah)
{
struct ath_hal_5212 *ahp = AH5212(ah);
HAL_CHANNEL_INTERNAL *chan = AH_PRIVATE(ah)->ah_curchan;
struct ar5212AniState *aniState;
WIRELESS_MODE mode;
int32_t rssi;
HALASSERT(chan != AH_NULL);
if (!DO_ANI(ah))
return;
/* first, raise noise immunity level, up to max */
aniState = ahp->ah_curani;
if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
ar5212AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1);
return;
}
/* Do not play with OFDM and CCK weak detection in AP mode */
if( AH_PRIVATE(ah)->ah_opmode == HAL_M_HOSTAP) {
return;
}
rssi = BEACON_RSSI(aniState);
if (rssi > aniState->rssiThrLow) {
/*
* Beacon signal in mid and high range, raise firsteplevel.
*/
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
} else {
/*
* Beacon rssi is low, zero firstepLevel to maximize
* CCK sensitivity.
*/
mode = ath_hal_chan2wmode(ah, (HAL_CHANNEL *) chan);
if (mode == WIRELESS_MODE_11g || mode == WIRELESS_MODE_11b) {
if (aniState->firstepLevel > 0)
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL, 0);
}
}
}
static void
ar5416AniCckErrTrigger(struct ath_hal *ah)
{
struct ath_hal_5212 *ahp = AH5212(ah);
const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan;
struct ar5212AniState *aniState;
const struct ar5212AniParams *params;
HALASSERT(chan != AH_NULL);
if (!ANI_ENA(ah))
return;
/* first, raise noise immunity level, up to max */
aniState = ahp->ah_curani;
params = aniState->params;
if (aniState->noiseImmunityLevel+1 < params->maxNoiseImmunityLevel) {
ar5416AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1);
return;
}
if (ANI_ENA_RSSI(ah)) {
int32_t rssi = BEACON_RSSI(ahp);
if (rssi > params->rssiThrLow) {
/*
* Beacon signal in mid and high range,
* raise firstep level.
*/
if (aniState->firstepLevel+1 < params->maxFirstepLevel)
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
} else {
/*
* Beacon rssi is low, zero firstep level to maximize
* CCK sensitivity in 11b/g mode.
*/
if (IEEE80211_IS_CHAN_CCK(chan)) {
if (aniState->firstepLevel > 0)
ar5416AniControl(ah,
HAL_ANI_FIRSTEP_LEVEL, 0);
}
}
}
}
void zfHpAniCckErrTrigger(zdev_t* dev)
{
struct zsAniState *aniState;
s32_t rssi;
struct zsHpPriv *HpPriv;
zmw_get_wlan_dev(dev);
HpPriv = (struct zsHpPriv*)wd->hpPrivate;
//HALASSERT(chan != NULL);
if ((HpPriv->procPhyErr & ZM_HAL_PROCESS_ANI) == 0)
return;
/* first, raise noise immunity level, up to max */
aniState = HpPriv->curani;
if (aniState->noiseImmunityLevel < ZM_HAL_NOISE_IMMUNE_MAX)
{
zfHpAniControl(dev, ZM_HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1);
return;
}
rssi = BEACON_RSSI(dev);
if (rssi > aniState->rssiThrLow)
{
/*
* Beacon signal in mid and high range, raise firsteplevel.
*/
if (aniState->firstepLevel < ZM_HAL_FIRST_STEP_MAX)
zfHpAniControl(dev, ZM_HAL_ANI_FIRSTEP_LEVEL, aniState->firstepLevel + 1);
}
else
{
/*
* Beacon rssi is low, zero firstepLevel to maximize
* CCK sensitivity.
*/
if (wd->frequency < 3000)
{
if (aniState->firstepLevel > 0)
zfHpAniControl(dev, ZM_HAL_ANI_FIRSTEP_LEVEL, 0);
}
}
}
/*
* Set the ANI settings to match a CCK level.
*/
static void
ar9300_ani_set_cck_noise_immunity_level(struct ath_hal *ah,
u_int8_t cck_noise_immunity_level)
{
struct ath_hal_9300 *ahp = AH9300(ah);
struct ar9300_ani_state *ani_state = ahp->ah_curani;
int level;
ani_state->rssi = BEACON_RSSI(ahp);
HALDEBUG(ah, HAL_DEBUG_ANI,
"**** %s: ccklevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
__func__, ani_state->cck_noise_immunity_level, cck_noise_immunity_level,
ani_state->rssi, ani_state->rssi_thr_low, ani_state->rssi_thr_high);
if (AH_PRIVATE(ah)->ah_opmode == HAL_M_STA &&
ani_state->rssi <= ani_state->rssi_thr_low &&
cck_noise_immunity_level > HAL_ANI_CCK_MAX_LEVEL_LOW_RSSI)
{
cck_noise_immunity_level = HAL_ANI_CCK_MAX_LEVEL_LOW_RSSI;
}
ani_state->cck_noise_immunity_level = cck_noise_immunity_level;
level = ani_state->ofdm_noise_immunity_level;
if (ani_state->firstep_level !=
cck_level_table[cck_noise_immunity_level].fir_step_level &&
cck_level_table[cck_noise_immunity_level].fir_step_level >=
ofdm_level_table[level].fir_step_level)
{
ar9300_ani_control(
ah, HAL_ANI_FIRSTEP_LEVEL,
cck_level_table[cck_noise_immunity_level].fir_step_level);
}
if (ani_state->mrc_cck_off ==
cck_level_table[cck_noise_immunity_level].mrc_cck_on)
{
ar9300_ani_control(
ah, HAL_ANI_MRC_CCK,
cck_level_table[cck_noise_immunity_level].mrc_cck_on);
}
}
/*
* Set the ANI settings to match an CCK level.
*/
static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel)
{
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, ATH_DBG_ANI,
"**** ccklevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->cckNoiseImmunityLevel, immunityLevel,
aniState->noiseFloor, aniState->rssiThrLow,
aniState->rssiThrHigh);
if ((ah->opmode == NL80211_IFTYPE_STATION ||
ah->opmode == NL80211_IFTYPE_ADHOC) &&
aniState->noiseFloor <= 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;
entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
if (aniState->firstepLevel != entry_cck->fir_step_level &&
entry_cck->fir_step_level >= entry_ofdm->fir_step_level)
ath9k_hw_ani_control(ah,
ATH9K_ANI_FIRSTEP_LEVEL,
entry_cck->fir_step_level);
/* Skip MRC CCK for pre AR9003 families */
if (!AR_SREV_9300_20_OR_LATER(ah) || AR_SREV_9485(ah))
return;
if (aniState->mrcCCKOff == entry_cck->mrc_cck_on)
ath9k_hw_ani_control(ah,
ATH9K_ANI_MRC_CCK,
entry_cck->mrc_cck_on);
}
static void ath9k_hw_ani_cck_err_trigger(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_channel *chan = ah->ah_curchan;
struct ar5416AniState *aniState;
enum wireless_mode mode;
int32_t rssi;
if (!DO_ANI(ah))
return;
aniState = ahp->ah_curani;
if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1)) {
return;
}
}
if (ah->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(ahp);
if (rssi > aniState->rssiThrLow) {
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
} else {
mode = ath9k_hw_chan2wmode(ah, chan);
if (mode == ATH9K_MODE_11G || mode == ATH9K_MODE_11B) {
if (aniState->firstepLevel > 0)
ath9k_hw_ani_control(ah,
ATH9K_ANI_FIRSTEP_LEVEL, 0);
}
}
}
static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah)
{
struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
struct ar5416AniState *aniState;
int32_t rssi;
if (!DO_ANI(ah))
return;
aniState = ah->curani;
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);
}
}
}
static void
ar5416AniOfdmErrTrigger(struct ath_hal *ah, HAL_BOOL inISR)
{
struct ath_hal_5416 *ahp = AH5416(ah);
HAL_CHANNEL_INTERNAL *chan = AH_PRIVATE(ah)->ah_curchan;
struct ar5416AniState *aniState;
WIRELESS_MODE mode;
int32_t rssi;
HALASSERT(chan != AH_NULL);
if (!DO_ANI(ah)) {
return;
}
aniState = ahp->ah_curani;
//PG: For WIRELESS_MODE debug of HT chips
mode = ath_hal_chan2htwmode(ah, (HAL_CHANNEL *) chan);
HDPRINTF(ah, HAL_DBG_ANI, "%s: Wireless Mode #=%d, Channel=%hu, cflags=0x%x, CLOCK_RATE=%u\n",
__func__, mode, chan->channel, chan->channelFlags, CLOCK_RATE(ah));
/* First, raise noise immunity level, up to max */
if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
if (ar5416AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1, inISR ) == AH_TRUE)
{return;}
}
/* then, raise spur immunity level, up to max */
if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) {
if (ar5416AniControl(ah, HAL_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel + 1, inISR) == AH_TRUE)
{return;}
}
/* In the case of AP mode operation, we cannot bucketize beacons
* according to RSSI. Instead, raise Firstep level, up to max, and
* simply return
*/
if (AH_PRIVATE(ah)->ah_opmode == HAL_M_HOSTAP) {
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1, inISR);
}
return;
}
rssi = BEACON_RSSI(ahp);
if (rssi > aniState->rssiThrHigh) {
/*
* Beacon rssi is high, can turn off ofdm weak sig detect.
*/
if (!aniState->ofdmWeakSigDetectOff) {
if (ar5416AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE, inISR) == AH_TRUE) {
ar5416AniControl(ah,
HAL_ANI_SPUR_IMMUNITY_LEVEL, 0, inISR);
return;
}
}
/*
* If weak sig detect is already off, as last resort, raise
* first step level
*/
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1, inISR);
return;
}
} else if (rssi > aniState->rssiThrLow) {
/*
* Beacon rssi in mid range, need ofdm weak signal detect,
* but we can raise firststepLevel
*/
if (aniState->ofdmWeakSigDetectOff)
ar5416AniControl(ah, HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_TRUE, inISR);
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1, inISR);
return;
} else {
/*
* Beacon rssi is low, if in 11b/g mode, turn off ofdm
* weak sign detction and zero firstepLevel to maximize
* CCK sensitivity
*/
mode = ath_hal_chan2wmode(ah, (HAL_CHANNEL *) chan);
if (mode == WIRELESS_MODE_11g || mode == WIRELESS_MODE_11b) {
if (!aniState->ofdmWeakSigDetectOff)
ar5416AniControl(ah, HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE, inISR);
if (aniState->firstepLevel > 0)
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL, 0, inISR);
return;
}
}
}
/* Adjust the OFDM Noise Immunity Level */
static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
bool scan)
{
struct ar5416AniState *aniState = &ah->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;
bool weak_sig;
ath_dbg(common, ANI, "**** ofdmlevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->ofdmNoiseImmunityLevel,
immunityLevel, BEACON_RSSI(ah),
ATH9K_ANI_RSSI_THR_LOW,
ATH9K_ANI_RSSI_THR_HIGH);
if (AR_SREV_9100(ah) && 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];
if (aniState->spurImmunityLevel != entry_ofdm->spur_immunity_level)
ath9k_hw_ani_control(ah,
ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
entry_ofdm->spur_immunity_level);
if (aniState->firstepLevel != entry_ofdm->fir_step_level &&
entry_ofdm->fir_step_level >= entry_cck->fir_step_level)
ath9k_hw_ani_control(ah,
ATH9K_ANI_FIRSTEP_LEVEL,
entry_ofdm->fir_step_level);
weak_sig = entry_ofdm->ofdm_weak_signal_on;
if (ah->opmode == NL80211_IFTYPE_STATION &&
BEACON_RSSI(ah) <= ATH9K_ANI_RSSI_THR_HIGH)
weak_sig = true;
/*
* Newer chipsets are better at dealing with high PHY error counts -
* keep weak signal detection enabled when no RSSI threshold is
* available to determine if it is needed (mode != STA)
*/
else if (AR_SREV_9300_20_OR_LATER(ah) &&
ah->opmode != NL80211_IFTYPE_STATION)
weak_sig = true;
/* Older chipsets are more sensitive to high PHY error counts */
else if (!AR_SREV_9300_20_OR_LATER(ah) &&
aniState->ofdmNoiseImmunityLevel >= 8)
weak_sig = false;
if (aniState->ofdmWeakSigDetect != weak_sig)
ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
weak_sig);
if (!AR_SREV_9300_20_OR_LATER(ah))
return;
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;
}
}
static void
ar5416AniLowerImmunity(struct ath_hal *ah)
{
struct ath_hal_5212 *ahp = AH5212(ah);
struct ar5212AniState *aniState;
const struct ar5212AniParams *params;
HALASSERT(ANI_ENA(ah));
aniState = ahp->ah_curani;
params = aniState->params;
if (ANI_ENA_RSSI(ah)) {
int32_t rssi = BEACON_RSSI(ahp);
if (rssi > params->rssiThrHigh) {
/*
* Beacon signal is high, leave ofdm weak signal
* detection off or it may oscillate. Let it fall
* through.
*/
} else if (rssi > params->rssiThrLow) {
/*
* Beacon rssi in mid range, turn on ofdm weak signal
* detection or lower firstep level.
*/
if (aniState->ofdmWeakSigDetectOff) {
ar5416AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_TRUE);
return;
}
if (aniState->firstepLevel > 0) {
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel - 1);
return;
}
} else {
/*
* Beacon rssi is low, reduce firstep level.
*/
if (aniState->firstepLevel > 0) {
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel - 1);
return;
}
}
}
/* then lower spur immunity level, down to zero */
if (aniState->spurImmunityLevel > 0) {
ar5416AniControl(ah, HAL_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel - 1);
return;
}
/*
* if all else fails, lower noise immunity level down to a min value
* zero for now
*/
if (aniState->noiseImmunityLevel > 0) {
ar5416AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel - 1);
return;
}
}
static void
ar5416AniOfdmErrTrigger(struct ath_hal *ah)
{
struct ath_hal_5212 *ahp = AH5212(ah);
const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan;
struct ar5212AniState *aniState;
const struct ar5212AniParams *params;
HALASSERT(chan != AH_NULL);
if (!ANI_ENA(ah))
return;
aniState = ahp->ah_curani;
params = aniState->params;
/* First, raise noise immunity level, up to max */
if (aniState->noiseImmunityLevel+1 < params->maxNoiseImmunityLevel) {
ar5416AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1);
return;
}
/* then, raise spur immunity level, up to max */
if (aniState->spurImmunityLevel+1 < params->maxSpurImmunityLevel) {
ar5416AniControl(ah, HAL_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel + 1);
return;
}
if (ANI_ENA_RSSI(ah)) {
int32_t rssi = BEACON_RSSI(ahp);
if (rssi > params->rssiThrHigh) {
/*
* Beacon rssi is high, can turn off ofdm
* weak sig detect.
*/
if (!aniState->ofdmWeakSigDetectOff) {
ar5416AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE);
ar5416AniControl(ah,
HAL_ANI_SPUR_IMMUNITY_LEVEL, 0);
return;
}
/*
* If weak sig detect is already off, as last resort,
* raise firstep level
*/
if (aniState->firstepLevel+1 < params->maxFirstepLevel) {
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
return;
}
} else if (rssi > params->rssiThrLow) {
/*
* Beacon rssi in mid range, need ofdm weak signal
* detect, but we can raise firststepLevel.
*/
if (aniState->ofdmWeakSigDetectOff)
ar5416AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_TRUE);
if (aniState->firstepLevel+1 < params->maxFirstepLevel)
ar5416AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
return;
} else {
/*
* Beacon rssi is low, if in 11b/g mode, turn off ofdm
* weak signal detection and zero firstepLevel to
* maximize CCK sensitivity
*/
if (IEEE80211_IS_CHAN_CCK(chan)) {
if (!aniState->ofdmWeakSigDetectOff)
ar5416AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE);
if (aniState->firstepLevel > 0)
ar5416AniControl(ah,
HAL_ANI_FIRSTEP_LEVEL, 0);
return;
}
}
}
}
static void
ar5212AniOfdmErrTrigger(struct ath_hal *ah)
{
struct ath_hal_5212 *ahp = AH5212(ah);
HAL_CHANNEL_INTERNAL *chan = AH_PRIVATE(ah)->ah_curchan;
struct ar5212AniState *aniState;
WIRELESS_MODE mode;
int32_t rssi;
HALASSERT(chan != AH_NULL);
if (!DO_ANI(ah) || AH_PRIVATE(ah)->ah_opmode != HAL_M_STA)
return;
aniState = ahp->ah_curani;
/* First, raise noise immunity level, up to max */
if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
ar5212AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1);
return;
}
/* then, raise spur immunity level, up to max */
if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) {
ar5212AniControl(ah, HAL_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel + 1);
return;
}
rssi = BEACON_RSSI(ahp);
if (rssi > aniState->rssiThrHigh) {
/*
* Beacon rssi is high, can turn off ofdm weak sig detect.
*/
if (!aniState->ofdmWeakSigDetectOff) {
ar5212AniControl(ah, HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE);
ar5212AniControl(ah, HAL_ANI_SPUR_IMMUNITY_LEVEL, 0);
return;
}
/*
* If weak sig detect is already off, as last resort, raise
* first step level
*/
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
return;
}
} else if (rssi > aniState->rssiThrLow) {
/*
* Beacon rssi in mid range, need ofdm weak signal detect,
* but we can raise firststepLevel
*/
if (aniState->ofdmWeakSigDetectOff)
ar5212AniControl(ah, HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_TRUE);
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
return;
} else {
/*
* Beacon rssi is low, if in 11b/g mode, turn off ofdm
* weak sign detction and zero firstepLevel to maximize
* CCK sensitivity
*/
mode = ath_hal_chan2wmode(ah, (HAL_CHANNEL *) chan);
if (mode == WIRELESS_MODE_11g || mode == WIRELESS_MODE_11b) {
if (!aniState->ofdmWeakSigDetectOff)
ar5212AniControl(ah, HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE);
if (aniState->firstepLevel > 0)
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL, 0);
return;
}
}
}
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;
}
}
}
void zfHpAniLowerImmunity(zdev_t* dev)
{
struct zsAniState *aniState;
s32_t rssi;
struct zsHpPriv *HpPriv;
zmw_get_wlan_dev(dev);
HpPriv = (struct zsHpPriv*)wd->hpPrivate;
aniState = HpPriv->curani;
rssi = BEACON_RSSI(dev);
if (rssi > aniState->rssiThrHigh)
{
/*
* Beacon signal is high, leave ofdm weak signal detection off
* or it may oscillate. Let it fall through.
*/
}
else if (rssi > aniState->rssiThrLow)
{
/*
* Beacon rssi in mid range, turn on ofdm weak signal
* detection or lower first step level.
*/
if (aniState->ofdmWeakSigDetectOff)
{
zfHpAniControl(dev, ZM_HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION, TRUE);
return;
}
if (aniState->firstepLevel > 0)
{
zfHpAniControl(dev, ZM_HAL_ANI_FIRSTEP_LEVEL, aniState->firstepLevel - 1);
return;
}
}
else
{
/*
* Beacon rssi is low, reduce first step level.
*/
if (aniState->firstepLevel > 0)
{
zfHpAniControl(dev, ZM_HAL_ANI_FIRSTEP_LEVEL, aniState->firstepLevel - 1);
return;
}
}
/* then lower spur immunity level, down to zero */
if (aniState->spurImmunityLevel > 0)
{
zfHpAniControl(dev, ZM_HAL_ANI_SPUR_IMMUNITY_LEVEL, aniState->spurImmunityLevel - 1);
return;
}
/*
* if all else fails, lower noise immunity level down to a min value
* zero for now
*/
if (aniState->noiseImmunityLevel > 0)
{
zfHpAniControl(dev, ZM_HAL_ANI_NOISE_IMMUNITY_LEVEL, aniState->noiseImmunityLevel - 1);
return;
}
}
void zfHpAniOfdmErrTrigger(zdev_t* dev)
{
struct zsAniState *aniState;
s32_t rssi;
struct zsHpPriv *HpPriv;
zmw_get_wlan_dev(dev);
HpPriv = (struct zsHpPriv*)wd->hpPrivate;
//HALASSERT(chan != NULL);
if ((HpPriv->procPhyErr & ZM_HAL_PROCESS_ANI) == 0)
return;
aniState = HpPriv->curani;
/* First, raise noise immunity level, up to max */
if (aniState->noiseImmunityLevel < ZM_HAL_NOISE_IMMUNE_MAX)
{
zfHpAniControl(dev, ZM_HAL_ANI_NOISE_IMMUNITY_LEVEL, aniState->noiseImmunityLevel + 1);
return;
}
/* then, raise spur immunity level, up to max */
if (aniState->spurImmunityLevel < ZM_HAL_SPUR_IMMUNE_MAX)
{
zfHpAniControl(dev, ZM_HAL_ANI_SPUR_IMMUNITY_LEVEL, aniState->spurImmunityLevel + 1);
return;
}
rssi = BEACON_RSSI(dev);
if (rssi > aniState->rssiThrHigh)
{
/*
* Beacon rssi is high, can turn off ofdm weak sig detect.
*/
if (!aniState->ofdmWeakSigDetectOff)
{
zfHpAniControl(dev, ZM_HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION, FALSE);
zfHpAniControl(dev, ZM_HAL_ANI_SPUR_IMMUNITY_LEVEL, 0);
return;
}
/*
* If weak sig detect is already off, as last resort, raise
* first step level
*/
if (aniState->firstepLevel < ZM_HAL_FIRST_STEP_MAX)
{
zfHpAniControl(dev, ZM_HAL_ANI_FIRSTEP_LEVEL, aniState->firstepLevel + 1);
return;
}
}
else if (rssi > aniState->rssiThrLow)
{
/*
* Beacon rssi in mid range, need ofdm weak signal detect,
* but we can raise firststepLevel
*/
if (aniState->ofdmWeakSigDetectOff)
zfHpAniControl(dev, ZM_HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION, TRUE);
if (aniState->firstepLevel < ZM_HAL_FIRST_STEP_MAX)
zfHpAniControl(dev, ZM_HAL_ANI_FIRSTEP_LEVEL, aniState->firstepLevel + 1);
return;
}
else
{
/*
* Beacon rssi is low, if in 11b/g mode, turn off ofdm
* weak sign detction and zero firstepLevel to maximize
* CCK sensitivity
*/
if (wd->frequency < 3000)
{
if (!aniState->ofdmWeakSigDetectOff)
zfHpAniControl(dev, ZM_HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION, FALSE);
if (aniState->firstepLevel > 0)
zfHpAniControl(dev, ZM_HAL_ANI_FIRSTEP_LEVEL, 0);
return;
}
}
}
static void
ar5212AniOfdmErrTrigger(struct ath_hal *ah)
{
struct ath_hal_5212 *ahp = AH5212(ah);
HAL_CHANNEL_INTERNAL *chan = AH_PRIVATE(ah)->ah_curchan;
struct ar5212AniState *aniState;
const struct ar5212AniParams *params;
HALASSERT(chan != AH_NULL);
if (!ANI_ENA(ah))
return;
aniState = ahp->ah_curani;
params = aniState->params;
/* First, raise noise immunity level, up to max */
if (aniState->noiseImmunityLevel+1 <= params->maxNoiseImmunityLevel) {
HALDEBUG(ah, HAL_DEBUG_ANI, "%s: raise NI to %u\n", __func__,
aniState->noiseImmunityLevel + 1);
ar5212AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1);
return;
}
/* then, raise spur immunity level, up to max */
if (aniState->spurImmunityLevel+1 <= params->maxSpurImmunityLevel) {
HALDEBUG(ah, HAL_DEBUG_ANI, "%s: raise SI to %u\n", __func__,
aniState->spurImmunityLevel + 1);
ar5212AniControl(ah, HAL_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel + 1);
return;
}
if (ANI_ENA_RSSI(ah)) {
int32_t rssi = BEACON_RSSI(ahp);
if (rssi > params->rssiThrHigh) {
/*
* Beacon rssi is high, can turn off ofdm
* weak sig detect.
*/
if (!aniState->ofdmWeakSigDetectOff) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d OWSD off\n", __func__, rssi);
ar5212AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE);
ar5212AniControl(ah,
HAL_ANI_SPUR_IMMUNITY_LEVEL, 0);
return;
}
/*
* If weak sig detect is already off, as last resort,
* raise firstep level
*/
if (aniState->firstepLevel+1 <= params->maxFirstepLevel) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d raise ST %u\n", __func__, rssi,
aniState->firstepLevel+1);
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
return;
}
} else if (rssi > params->rssiThrLow) {
/*
* Beacon rssi in mid range, need ofdm weak signal
* detect, but we can raise firststepLevel.
*/
if (aniState->ofdmWeakSigDetectOff) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d OWSD on\n", __func__, rssi);
ar5212AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_TRUE);
}
if (aniState->firstepLevel+1 <= params->maxFirstepLevel) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d raise ST %u\n", __func__, rssi,
aniState->firstepLevel+1);
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
}
return;
} else {
/*
* Beacon rssi is low, if in 11b/g mode, turn off ofdm
* weak signal detection and zero firstepLevel to
* maximize CCK sensitivity
*/
/* XXX can optimize */
if (IS_CHAN_B(chan) || IS_CHAN_G(chan)) {
if (!aniState->ofdmWeakSigDetectOff) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d OWSD off\n",
__func__, rssi);
ar5212AniControl(ah,
HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,
AH_FALSE);
}
if (aniState->firstepLevel > 0) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d zero ST (was %u)\n",
__func__, rssi,
aniState->firstepLevel);
ar5212AniControl(ah,
HAL_ANI_FIRSTEP_LEVEL, 0);
}
return;
}
}
}
}
