void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan) { struct ar5416AniState *aniState; struct ath_common *common = ath9k_hw_common(ah); u32 ofdmPhyErrRate, cckPhyErrRate; if (!DO_ANI(ah)) return; aniState = &ah->curchan->ani; if (WARN_ON(!aniState)) return; if (!ath9k_hw_ani_read_counters(ah)) return; ofdmPhyErrRate = aniState->ofdmPhyErrCount * 1000 / aniState->listenTime; cckPhyErrRate = aniState->cckPhyErrCount * 1000 / aniState->listenTime; ath_dbg(common, ATH_DBG_ANI, "listenTime=%d OFDM:%d errs=%d/s CCK:%d errs=%d/s ofdm_turn=%d\n", aniState->listenTime, aniState->ofdmNoiseImmunityLevel, 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) { 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)) { 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; } } }
void ath9k_hw_ani_monitor(struct ath_hal *ah, const struct ath9k_node_stats *stats, struct ath9k_channel *chan) { struct ath_hal_5416 *ahp = AH5416(ah); struct ar5416AniState *aniState; int32_t listenTime; aniState = ahp->ah_curani; ahp->ah_stats.ast_nodestats = *stats; listenTime = ath9k_hw_ani_get_listen_time(ah); if (listenTime < 0) { ahp->ah_stats.ast_ani_lneg++; ath9k_ani_restart(ah); return; } aniState->listenTime += listenTime; if (ahp->ah_hasHwPhyCounters) { u32 phyCnt1, phyCnt2; u32 ofdmPhyErrCnt, cckPhyErrCnt; ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats); phyCnt1 = REG_READ(ah, AR_PHY_ERR_1); phyCnt2 = REG_READ(ah, AR_PHY_ERR_2); if (phyCnt1 < aniState->ofdmPhyErrBase || phyCnt2 < aniState->cckPhyErrBase) { if (phyCnt1 < aniState->ofdmPhyErrBase) { DPRINTF(ah->ah_sc, ATH_DBG_ANI, "phyCnt1 0x%x, resetting " "counter value to 0x%x\n", phyCnt1, aniState->ofdmPhyErrBase); REG_WRITE(ah, AR_PHY_ERR_1, aniState->ofdmPhyErrBase); REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING); } if (phyCnt2 < aniState->cckPhyErrBase) { DPRINTF(ah->ah_sc, ATH_DBG_ANI, "phyCnt2 0x%x, resetting " "counter value to 0x%x\n", phyCnt2, aniState->cckPhyErrBase); REG_WRITE(ah, AR_PHY_ERR_2, aniState->cckPhyErrBase); REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); } return; } ofdmPhyErrCnt = phyCnt1 - aniState->ofdmPhyErrBase; ahp->ah_stats.ast_ani_ofdmerrs += ofdmPhyErrCnt - aniState->ofdmPhyErrCount; aniState->ofdmPhyErrCount = ofdmPhyErrCnt; cckPhyErrCnt = phyCnt2 - aniState->cckPhyErrBase; ahp->ah_stats.ast_ani_cckerrs += cckPhyErrCnt - aniState->cckPhyErrCount; aniState->cckPhyErrCount = cckPhyErrCnt; } if (!DO_ANI(ah)) return; if (aniState->listenTime > 5 * ahp->ah_aniPeriod) { if (aniState->ofdmPhyErrCount <= aniState->listenTime * aniState->ofdmTrigLow / 1000 && aniState->cckPhyErrCount <= aniState->listenTime * aniState->cckTrigLow / 1000) ath9k_hw_ani_lower_immunity(ah); ath9k_ani_restart(ah); } else if (aniState->listenTime > ahp->ah_aniPeriod) { if (aniState->ofdmPhyErrCount > aniState->listenTime * aniState->ofdmTrigHigh / 1000) { ath9k_hw_ani_ofdm_err_trigger(ah); ath9k_ani_restart(ah); } else if (aniState->cckPhyErrCount > aniState->listenTime * aniState->cckTrigHigh / 1000) { ath9k_hw_ani_cck_err_trigger(ah); ath9k_ani_restart(ah); } } }