diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ani.c | 142 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw-ops.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 2 |
4 files changed, 34 insertions, 119 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index 6bae601c63a3..d5c9df5c4569 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -661,21 +661,15 @@ static void ath9k_ani_reset_new(struct ath_hw *ah, bool is_scanning) REGWRITE_BUFFER_FLUSH(ah); } -static void ath9k_hw_ani_monitor_old(struct ath_hw *ah, - struct ath9k_channel *chan) +static void ath9k_hw_ani_read_counters(struct ath_hw *ah) { - struct ar5416AniState *aniState; struct ath_common *common = ath9k_hw_common(ah); - int32_t listenTime; - u32 phyCnt1, phyCnt2; + struct ar5416AniState *aniState = &ah->curchan->ani; + u32 ofdm_base = 0; + u32 cck_base = 0; u32 ofdmPhyErrCnt, cckPhyErrCnt; - u32 ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high; - u32 cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high; - - if (!DO_ANI(ah)) - return; - - aniState = &ah->curchan->ani; + u32 phyCnt1, phyCnt2; + int32_t listenTime; listenTime = ath9k_hw_ani_get_listen_time(ah); if (listenTime < 0) { @@ -684,6 +678,11 @@ static void ath9k_hw_ani_monitor_old(struct ath_hw *ah, return; } + 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); @@ -691,7 +690,7 @@ static void ath9k_hw_ani_monitor_old(struct ath_hw *ah, phyCnt1 = REG_READ(ah, AR_PHY_ERR_1); phyCnt2 = REG_READ(ah, AR_PHY_ERR_2); - if (phyCnt1 < ofdm_base || phyCnt2 < cck_base) { + if (use_new_ani(ah) && (phyCnt1 < ofdm_base || phyCnt2 < cck_base)) { if (phyCnt1 < ofdm_base) { ath_print(common, ATH_DBG_ANI, "phyCnt1 0x%x, resetting " @@ -723,6 +722,19 @@ static void ath9k_hw_ani_monitor_old(struct ath_hw *ah, cckPhyErrCnt - aniState->cckPhyErrCount; aniState->cckPhyErrCount = cckPhyErrCnt; +} + +static void ath9k_hw_ani_monitor_old(struct ath_hw *ah, + struct ath9k_channel *chan) +{ + struct ar5416AniState *aniState; + + if (!DO_ANI(ah)) + return; + + aniState = &ah->curchan->ani; + ath9k_hw_ani_read_counters(ah); + if (aniState->listenTime > 5 * ah->aniperiod) { if (aniState->ofdmPhyErrCount <= aniState->listenTime * ah->config.ofdm_trig_low / 1000 && @@ -749,8 +761,6 @@ static void ath9k_hw_ani_monitor_new(struct ath_hw *ah, { struct ar5416AniState *aniState; struct ath_common *common = ath9k_hw_common(ah); - int32_t listenTime; - u32 ofdmPhyErrCnt, cckPhyErrCnt; u32 ofdmPhyErrRate, cckPhyErrRate; if (!DO_ANI(ah)) @@ -760,35 +770,7 @@ static void ath9k_hw_ani_monitor_new(struct ath_hw *ah, if (WARN_ON(!aniState)) return; - listenTime = ath9k_hw_ani_get_listen_time(ah); - if (listenTime <= 0) { - ah->stats.ast_ani_lneg++; - /* restart ANI period if listenTime is invalid */ - ath_print(common, ATH_DBG_ANI, - "listenTime=%d - on new ani monitor\n", - listenTime); - ath9k_ani_restart(ah); - return; - } - - aniState->listenTime += listenTime; - - ath9k_hw_update_mibstats(ah, &ah->ah_mibStats); - - ofdmPhyErrCnt = REG_READ(ah, AR_PHY_ERR_1); - cckPhyErrCnt = REG_READ(ah, AR_PHY_ERR_2); - - ah->stats.ast_ani_ofdmerrs += - ofdmPhyErrCnt - aniState->ofdmPhyErrCount; - aniState->ofdmPhyErrCount = ofdmPhyErrCnt; - - ah->stats.ast_ani_cckerrs += - cckPhyErrCnt - aniState->cckPhyErrCount; - aniState->cckPhyErrCount = cckPhyErrCnt; - - ath_print(common, ATH_DBG_ANI, - "Errors: OFDM=%d, CCK=%d\n", - ofdmPhyErrCnt, cckPhyErrCnt); + ath9k_hw_ani_read_counters(ah); ofdmPhyErrRate = aniState->ofdmPhyErrCount * 1000 / aniState->listenTime; @@ -798,7 +780,8 @@ static void ath9k_hw_ani_monitor_new(struct ath_hw *ah, ath_print(common, ATH_DBG_ANI, "listenTime=%d OFDM:%d errs=%d/s CCK:%d " "errs=%d/s ofdm_turn=%d\n", - listenTime, aniState->ofdmNoiseImmunityLevel, + aniState->listenTime, + aniState->ofdmNoiseImmunityLevel, ofdmPhyErrRate, aniState->cckNoiseImmunityLevel, cckPhyErrRate, aniState->ofdmsTurn); @@ -943,10 +926,8 @@ skip: * any of the MIB counters overflow/trigger so don't assume we're * here because a PHY error counter triggered. */ -static void ath9k_hw_proc_mib_event_old(struct ath_hw *ah) +void ath9k_hw_proc_mib_event(struct ath_hw *ah) { - u32 ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high; - u32 cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high; u32 phyCnt1, phyCnt2; /* Reset these counters regardless */ @@ -973,72 +954,15 @@ static void ath9k_hw_proc_mib_event_old(struct ath_hw *ah) phyCnt2 = REG_READ(ah, AR_PHY_ERR_2); if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) || ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) { - struct ar5416AniState *aniState = &ah->curchan->ani; - u32 ofdmPhyErrCnt, cckPhyErrCnt; - - /* NB: only use ast_ani_*errs with AH_PRIVATE_DIAG */ - 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; + if (!use_new_ani(ah)) + ath9k_hw_ani_read_counters(ah); - /* - * NB: figure out which counter triggered. If both - * trigger we'll only deal with one as the processing - * clobbers the error counter so the trigger threshold - * check will never be true. - */ - if (aniState->ofdmPhyErrCount > ah->config.ofdm_trig_high) - ath9k_hw_ani_ofdm_err_trigger_new(ah); - if (aniState->cckPhyErrCount > ah->config.cck_trig_high) - ath9k_hw_ani_cck_err_trigger_old(ah); /* NB: always restart to insure the h/w counters are reset */ ath9k_ani_restart(ah); } } - -/* - * 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. - */ -static void ath9k_hw_proc_mib_event_new(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); - - /* NB: always restart to insure the h/w counters are reset */ - if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) || - ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) - ath9k_ani_restart(ah); -} +EXPORT_SYMBOL(ath9k_hw_proc_mib_event); void ath9k_hw_ani_setup(struct ath_hw *ah) { @@ -1144,7 +1068,6 @@ void ath9k_hw_attach_ani_ops_old(struct ath_hw *ah) priv_ops->ani_reset = ath9k_ani_reset_old; priv_ops->ani_lower_immunity = ath9k_hw_ani_lower_immunity_old; - ops->ani_proc_mib_event = ath9k_hw_proc_mib_event_old; ops->ani_monitor = ath9k_hw_ani_monitor_old; ath_print(ath9k_hw_common(ah), ATH_DBG_ANY, "Using ANI v1\n"); @@ -1158,7 +1081,6 @@ void ath9k_hw_attach_ani_ops_new(struct ath_hw *ah) priv_ops->ani_reset = ath9k_ani_reset_new; priv_ops->ani_lower_immunity = ath9k_hw_ani_lower_immunity_new; - ops->ani_proc_mib_event = ath9k_hw_proc_mib_event_new; ops->ani_monitor = ath9k_hw_ani_monitor_new; ath_print(ath9k_hw_common(ah), ATH_DBG_ANY, "Using ANI v2\n"); diff --git a/drivers/net/wireless/ath/ath9k/hw-ops.h b/drivers/net/wireless/ath/ath9k/hw-ops.h index 9c4dd0ec9a15..f42c1980e654 100644 --- a/drivers/net/wireless/ath/ath9k/hw-ops.h +++ b/drivers/net/wireless/ath/ath9k/hw-ops.h @@ -128,11 +128,6 @@ static inline void ath9k_hw_set11n_virtualmorefrag(struct ath_hw *ah, void *ds, ath9k_hw_ops(ah)->set11n_virtualmorefrag(ah, ds, vmf); } -static inline void ath9k_hw_procmibevent(struct ath_hw *ah) -{ - ath9k_hw_ops(ah)->ani_proc_mib_event(ah); -} - static inline void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan) { diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 506346384c4f..a87840bab2ad 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -575,8 +575,6 @@ struct ath_hw_private_ops { * @config_pci_powersave: * @calibrate: periodic calibration for NF, ANI, IQ, ADC gain, ADC-DC * - * @ani_proc_mib_event: process MIB events, this would happen upon specific ANI - * thresholds being reached or having overflowed. * @ani_monitor: called periodically by the core driver to collect * MIB stats and adjust ANI if specific thresholds have been reached. */ @@ -620,7 +618,6 @@ struct ath_hw_ops { void (*set11n_virtualmorefrag)(struct ath_hw *ah, void *ds, u32 vmf); - void (*ani_proc_mib_event)(struct ath_hw *ah); void (*ani_monitor)(struct ath_hw *ah, struct ath9k_channel *chan); }; @@ -980,6 +977,7 @@ void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan); * older families (AR5008, AR9001, AR9002) by using modparam_force_new_ani. */ extern int modparam_force_new_ani; +void ath9k_hw_proc_mib_event(struct ath_hw *ah); void ath9k_hw_attach_ani_ops_old(struct ath_hw *ah); void ath9k_hw_attach_ani_ops_new(struct ath_hw *ah); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index e6ddf45506be..d9c2e2d93136 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -713,7 +713,7 @@ irqreturn_t ath_isr(int irq, void *dev) * it will clear whatever condition caused * the interrupt. */ - ath9k_hw_procmibevent(ah); + ath9k_hw_proc_mib_event(ah); ath9k_hw_set_interrupts(ah, ah->imask); } |