/* * Do periodic processing. This routine is called from the * driver's rx interrupt handler after processing frames. */ void ar5212AniPoll(struct ath_hal *ah, const struct ieee80211_channel *chan) { struct ath_hal_5212 *ahp = AH5212(ah); struct ar5212AniState *aniState = ahp->ah_curani; const struct ar5212AniParams *params; int32_t listenTime; /* XXX can aniState be null? */ if (aniState == AH_NULL) return; if (!ANI_ENA(ah)) return; listenTime = ar5212AniGetListenTime(ah); if (listenTime < 0) { ahp->ah_stats.ast_ani_lneg++; /* restart ANI period if listenTime is invalid */ ar5212AniRestart(ah, aniState); } /* XXX beware of overflow? */ aniState->listenTime += listenTime; OS_MARK(ah, AH_MARK_ANI_POLL, aniState->listenTime); params = aniState->params; if (aniState->listenTime > 5*params->period) { /* * Check to see if need to lower immunity if * 5 aniPeriods have passed */ if (ahp->ah_hasHwPhyCounters) updateMIBStats(ah, aniState); if (aniState->ofdmPhyErrCount <= aniState->listenTime * params->ofdmTrigLow/1000 && aniState->cckPhyErrCount <= aniState->listenTime * params->cckTrigLow/1000) ar5212AniLowerImmunity(ah); ar5212AniRestart(ah, aniState); } else if (aniState->listenTime > params->period) { if (ahp->ah_hasHwPhyCounters) updateMIBStats(ah, aniState); /* check to see if need to raise immunity */ if (aniState->ofdmPhyErrCount > aniState->listenTime * params->ofdmTrigHigh / 1000) { HALDEBUG(ah, HAL_DEBUG_ANI, "%s: OFDM err %u listenTime %u\n", __func__, aniState->ofdmPhyErrCount, aniState->listenTime); ar5212AniOfdmErrTrigger(ah); ar5212AniRestart(ah, aniState); } else if (aniState->cckPhyErrCount > aniState->listenTime * params->cckTrigHigh / 1000) { HALDEBUG(ah, HAL_DEBUG_ANI, "%s: CCK err %u listenTime %u\n", __func__, aniState->cckPhyErrCount, aniState->listenTime); ar5212AniCckErrTrigger(ah); ar5212AniRestart(ah, aniState); } } }
/* * Do periodic processing. This routine is called from the * driver's rx interrupt handler after processing frames. */ void ar5212AniPoll(struct ath_hal *ah, const HAL_NODE_STATS *stats) { struct ath_hal_5212 *ahp = AH5212(ah); struct ar5212AniState *aniState; int32_t listenTime; aniState = ahp->ah_curani; ahp->ah_stats.ast_nodestats = *stats; /* XXX optimize? */ listenTime = ar5212AniGetListenTime(ah); if (listenTime < 0) { ahp->ah_stats.ast_ani_lneg++; /* restart ANI period if listenTime is invalid */ ar5212AniRestart(ah); return; } /* XXX beware of overflow? */ aniState->listenTime += listenTime; if (ahp->ah_hasHwPhyCounters) { u_int32_t phyCnt1, phyCnt2; u_int32_t ofdmPhyErrCnt, cckPhyErrCnt; /* Clear the mib counters and save them in the stats */ ar5212UpdateMibCounters(ah, &ahp->ah_mibStats); /* NB: these are not reset-on-read */ phyCnt1 = OS_REG_READ(ah, AR_PHYCNT1); phyCnt2 = OS_REG_READ(ah, AR_PHYCNT2); /* XXX sometimes zero, why? */ if (phyCnt1 < aniState->ofdmPhyErrBase || phyCnt2 < aniState->cckPhyErrBase) { if (phyCnt1 < aniState->ofdmPhyErrBase) { ath_hal_printf(ah, "%s: phyCnt1 0x%x, resetting " "counter value to 0x%x\n", __func__, phyCnt1, aniState->ofdmPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNT1, aniState->ofdmPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNTMASK1, AR_PHY_ERR_OFDM_TIMING); } if (phyCnt2 < aniState->cckPhyErrBase) { ath_hal_printf(ah, "%s: phyCnt2 0x%x, resetting " "counter value to 0x%x\n", __func__, phyCnt2, aniState->cckPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNT2, aniState->cckPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNTMASK2, AR_PHY_ERR_CCK_TIMING); } return; /* XXX */ } /* NB: only use ast_ani_*errs with AH_PRIVATE_DIAG */ 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 ani is not enabled, return after we've collected * statistics */ if (!(DO_ANI(ah) && AH_PRIVATE(ah)->ah_opmode == HAL_M_STA)) return; if (aniState->listenTime > 5 * ahp->ah_aniPeriod) { /* * Check to see if need to lower immunity if * 5 aniPeriods have passed */ if (aniState->ofdmPhyErrCount <= aniState->listenTime * aniState->ofdmTrigLow/1000 && aniState->cckPhyErrCount <= aniState->listenTime * aniState->cckTrigLow/1000) ar5212AniLowerImmunity(ah); ar5212AniRestart(ah); } else if (aniState->listenTime > ahp->ah_aniPeriod) { /* check to see if need to raise immunity */ if (aniState->ofdmPhyErrCount > aniState->listenTime * aniState->ofdmTrigHigh / 1000) { ar5212AniOfdmErrTrigger(ah); ar5212AniRestart(ah); } else if (aniState->cckPhyErrCount > aniState->listenTime * aniState->cckTrigHigh / 1000) { ar5212AniCckErrTrigger(ah); ar5212AniRestart(ah); } } }
/* * Do periodic processing. This routine is called from the * driver's rx interrupt handler after processing frames. */ void ar5212AniArPoll(struct ath_hal *ah, const HAL_NODE_STATS *stats, HAL_CHANNEL *chan, HAL_ANISTATS *ani_stats) { struct ath_hal_5212 *ahp = AH5212(ah); struct ar5212AniState *aniState; int32_t listenTime; /* * If ani is not enabled, return after we've collected * statistics */ if (!(DO_ANI(ah))) { HDPRINTF(ah, HAL_DBG_ANI, "<=No ANI\n"); return; } /* sanity check for uninitialized state */ if (ahp->ah_curani == AH_NULL) return; /* * Since we're called from end of rx tasklet, we also check for * AR processing now */ aniState = ahp->ah_curani; aniState->rssi = stats->ns_avgbrssi; if (ahp->ah_hasHwPhyCounters) { u_int32_t phyCnt1, phyCnt2; u_int32_t ofdmPhyErrCnt, cckPhyErrCnt; /* Clear the mib counters and save them in the stats */ ar5212UpdateMibMacStats(ah); /* NB: these are not reset-on-read */ phyCnt1 = OS_REG_READ(ah, AR_PHYCNT1); phyCnt2 = OS_REG_READ(ah, AR_PHYCNT2); /* XXX sometimes zero, why? */ if (phyCnt1 < aniState->ofdmPhyErrBase || phyCnt2 < aniState->cckPhyErrBase) { if (phyCnt1 < aniState->ofdmPhyErrBase) { HDPRINTF(ah, HAL_DBG_ANI, "%s: phyCnt1 0x%x, resetting " "counter value to 0x%x\n", __func__, phyCnt1, aniState->ofdmPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNT1, aniState->ofdmPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNTMASK1, AR_PHY_ERR_OFDM_TIMING); } if (phyCnt2 < aniState->cckPhyErrBase) { HDPRINTF(ah, HAL_DBG_ANI, "%s: phyCnt2 0x%x, resetting " "counter value to 0x%x\n", __func__, phyCnt2, aniState->cckPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNT2, aniState->cckPhyErrBase); OS_REG_WRITE(ah, AR_PHYCNTMASK2, AR_PHY_ERR_CCK_TIMING); } return; /* XXX */ } /* NB: only use ast_ani_*errs with AH_PRIVATE_DIAG */ 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; } listenTime = ar5212AniGetListenTime(ah); if (listenTime < 0) { ahp->ah_stats.ast_ani_lneg++; /* restart ANI period if listenTime is invalid */ ar5212AniRestart(ah); return; } /* XXX beware of overflow? */ aniState->listenTime += listenTime; if (aniState->listenTime > 5 * ahp->ah_aniPeriod) { /* * Check to see if need to lower immunity if * 5 aniPeriods have passed */ if (aniState->ofdmPhyErrCount <= aniState->listenTime * aniState->ofdmTrigLow/1000 && aniState->cckPhyErrCount <= aniState->listenTime * aniState->cckTrigLow/1000) ar5212AniLowerImmunity(ah); ar5212AniRestart(ah); } else if (aniState->listenTime > ahp->ah_aniPeriod) { /* check to see if need to raise immunity */ if (aniState->ofdmPhyErrCount > aniState->listenTime * aniState->ofdmTrigHigh / 1000) { ar5212AniOfdmErrTrigger(ah); ar5212AniRestart(ah); } else if (aniState->cckPhyErrCount > aniState->listenTime * aniState->cckTrigHigh / 1000) { ar5212AniCckErrTrigger(ah); ar5212AniRestart(ah); } } }