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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.c89
1 files changed, 35 insertions, 54 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 7ecd40f07a74..4994bea809eb 100644
--- 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 ofdm_level_table[] = {
{ 5, 4, 1 }, /* lvl 5 */
{ 6, 5, 1 }, /* lvl 6 */
{ 7, 6, 1 }, /* lvl 7 */
- { 7, 6, 0 }, /* lvl 8 */
- { 7, 7, 0 } /* lvl 9 */
+ { 7, 7, 1 }, /* lvl 8 */
+ { 7, 8, 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 cck_level_table[] = {
{ 4, 0 }, /* lvl 4 */
{ 5, 0 }, /* lvl 5 */
{ 6, 0 }, /* lvl 6 */
- { 6, 0 }, /* lvl 7 (only for high rssi) */
- { 7, 0 } /* lvl 8 (only for high rssi) */
+ { 7, 0 }, /* lvl 7 (only for high rssi) */
+ { 8, 0 } /* lvl 8 (only for high rssi) */
};
#define ATH9K_ANI_CCK_NUM_LEVEL \
@@ -118,10 +118,10 @@ static void ath9k_ani_restart(struct ath_hw *ah)
{
struct ar5416AniState *aniState;
- if (!DO_ANI(ah))
+ if (!ah->curchan)
return;
- aniState = &ah->curchan->ani;
+ aniState = &ah->ani;
aniState->listenTime = 0;
ENABLE_REGWRITE_BUFFER(ah);
@@ -143,7 +143,7 @@ static void ath9k_ani_restart(struct ath_hw *ah)
static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
bool scan)
{
- struct ar5416AniState *aniState = &ah->curchan->ani;
+ 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;
@@ -177,10 +177,15 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
BEACON_RSSI(ah) <= ATH9K_ANI_RSSI_THR_HIGH)
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);
+ /*
+ * OFDM Weak signal detection is always enabled for AP mode.
+ */
+ if (ah->opmode != NL80211_IFTYPE_AP &&
+ 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;
@@ -195,10 +200,10 @@ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
{
struct ar5416AniState *aniState;
- if (!DO_ANI(ah))
+ if (!ah->curchan)
return;
- aniState = &ah->curchan->ani;
+ aniState = &ah->ani;
if (aniState->ofdmNoiseImmunityLevel < ATH9K_ANI_OFDM_MAX_LEVEL)
ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1, false);
@@ -210,7 +215,7 @@ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel,
bool scan)
{
- struct ar5416AniState *aniState = &ah->curchan->ani;
+ 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;
@@ -251,10 +256,10 @@ static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah)
{
struct ar5416AniState *aniState;
- if (!DO_ANI(ah))
+ if (!ah->curchan)
return;
- aniState = &ah->curchan->ani;
+ aniState = &ah->ani;
if (aniState->cckNoiseImmunityLevel < ATH9K_ANI_CCK_MAX_LEVEL)
ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1,
@@ -269,7 +274,7 @@ static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
{
struct ar5416AniState *aniState;
- aniState = &ah->curchan->ani;
+ aniState = &ah->ani;
/* lower OFDM noise immunity */
if (aniState->ofdmNoiseImmunityLevel > 0 &&
@@ -292,12 +297,12 @@ static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
*/
void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning)
{
- struct ar5416AniState *aniState = &ah->curchan->ani;
+ struct ar5416AniState *aniState = &ah->ani;
struct ath9k_channel *chan = ah->curchan;
struct ath_common *common = ath9k_hw_common(ah);
int ofdm_nil, cck_nil;
- if (!DO_ANI(ah))
+ if (!ah->curchan)
return;
BUG_ON(aniState == NULL);
@@ -363,24 +368,13 @@ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning)
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
- * interrupts (so we can count each one)
- */
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);
}
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;
+ struct ar5416AniState *aniState = &ah->ani;
u32 phyCnt1, phyCnt2;
int32_t listenTime;
@@ -415,10 +409,10 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan)
struct ath_common *common = ath9k_hw_common(ah);
u32 ofdmPhyErrRate, cckPhyErrRate;
- if (!DO_ANI(ah))
+ if (!ah->curchan)
return;
- aniState = &ah->curchan->ani;
+ aniState = &ah->ani;
if (!ath9k_hw_ani_read_counters(ah))
return;
@@ -490,32 +484,22 @@ EXPORT_SYMBOL(ath9k_hw_disable_mib_counters);
void ath9k_hw_ani_init(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
- int i;
+ struct ar5416AniState *ani = &ah->ani;
ath_dbg(common, ANI, "Initialize ANI\n");
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;
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;
-
- ani->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
-
- ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
-
- ani->mrcCCK = AR_SREV_9300_20_OR_LATER(ah) ? true : false;
-
- ani->ofdmsTurn = true;
-
- ani->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
- ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
- ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL;
- }
+ ani->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
+ ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
+ ani->mrcCCK = AR_SREV_9300_20_OR_LATER(ah) ? true : false;
+ ani->ofdmsTurn = true;
+ ani->ofdmWeakSigDetect = true;
+ ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
+ ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL;
/*
* since we expect some ongoing maintenance on the tables, let's sanity
@@ -524,9 +508,6 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
ah->aniperiod = ATH9K_ANI_PERIOD;
ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL;
- if (ah->config.enable_ani)
- ah->proc_phyerr |= HAL_PROCESS_ANI;
-
ath9k_ani_restart(ah);
ath9k_enable_mib_counters(ah);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.