diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_mac.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mac.c | 95 |
1 files changed, 61 insertions, 34 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index 3b424ca1ba84..f5896aa30005 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -237,10 +237,12 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_status *ts) { struct ar9003_txs *ads; + u32 status; ads = &ah->ts_ring[ah->ts_tail]; - if ((ads->status8 & AR_TxDone) == 0) + status = ACCESS_ONCE(ads->status8); + if ((status & AR_TxDone) == 0) return -EINPROGRESS; ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size; @@ -253,57 +255,58 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds, return -EIO; } + if (status & AR_TxOpExceeded) + ts->ts_status |= ATH9K_TXERR_XTXOP; + ts->ts_rateindex = MS(status, AR_FinalTxIdx); + ts->ts_seqnum = MS(status, AR_SeqNum); + ts->tid = MS(status, AR_TxTid); + ts->qid = MS(ads->ds_info, AR_TxQcuNum); ts->desc_id = MS(ads->status1, AR_TxDescId); - ts->ts_seqnum = MS(ads->status8, AR_SeqNum); ts->ts_tstamp = ads->status4; ts->ts_status = 0; ts->ts_flags = 0; - if (ads->status3 & AR_ExcessiveRetries) + status = ACCESS_ONCE(ads->status2); + ts->ts_rssi_ctl0 = MS(status, AR_TxRSSIAnt00); + ts->ts_rssi_ctl1 = MS(status, AR_TxRSSIAnt01); + ts->ts_rssi_ctl2 = MS(status, AR_TxRSSIAnt02); + if (status & AR_TxBaStatus) { + ts->ts_flags |= ATH9K_TX_BA; + ts->ba_low = ads->status5; + ts->ba_high = ads->status6; + } + + status = ACCESS_ONCE(ads->status3); + if (status & AR_ExcessiveRetries) ts->ts_status |= ATH9K_TXERR_XRETRY; - if (ads->status3 & AR_Filtered) + if (status & AR_Filtered) ts->ts_status |= ATH9K_TXERR_FILT; - if (ads->status3 & AR_FIFOUnderrun) { + if (status & AR_FIFOUnderrun) { ts->ts_status |= ATH9K_TXERR_FIFO; ath9k_hw_updatetxtriglevel(ah, true); } - if (ads->status8 & AR_TxOpExceeded) - ts->ts_status |= ATH9K_TXERR_XTXOP; - if (ads->status3 & AR_TxTimerExpired) + if (status & AR_TxTimerExpired) ts->ts_status |= ATH9K_TXERR_TIMER_EXPIRED; - - if (ads->status3 & AR_DescCfgErr) + if (status & AR_DescCfgErr) ts->ts_flags |= ATH9K_TX_DESC_CFG_ERR; - if (ads->status3 & AR_TxDataUnderrun) { + if (status & AR_TxDataUnderrun) { ts->ts_flags |= ATH9K_TX_DATA_UNDERRUN; ath9k_hw_updatetxtriglevel(ah, true); } - if (ads->status3 & AR_TxDelimUnderrun) { + if (status & AR_TxDelimUnderrun) { ts->ts_flags |= ATH9K_TX_DELIM_UNDERRUN; ath9k_hw_updatetxtriglevel(ah, true); } - if (ads->status2 & AR_TxBaStatus) { - ts->ts_flags |= ATH9K_TX_BA; - ts->ba_low = ads->status5; - ts->ba_high = ads->status6; - } - - ts->ts_rateindex = MS(ads->status8, AR_FinalTxIdx); - - ts->ts_rssi = MS(ads->status7, AR_TxRSSICombined); - ts->ts_rssi_ctl0 = MS(ads->status2, AR_TxRSSIAnt00); - ts->ts_rssi_ctl1 = MS(ads->status2, AR_TxRSSIAnt01); - ts->ts_rssi_ctl2 = MS(ads->status2, AR_TxRSSIAnt02); - ts->ts_rssi_ext0 = MS(ads->status7, AR_TxRSSIAnt10); - ts->ts_rssi_ext1 = MS(ads->status7, AR_TxRSSIAnt11); - ts->ts_rssi_ext2 = MS(ads->status7, AR_TxRSSIAnt12); - ts->ts_shortretry = MS(ads->status3, AR_RTSFailCnt); - ts->ts_longretry = MS(ads->status3, AR_DataFailCnt); - ts->ts_virtcol = MS(ads->status3, AR_VirtRetryCnt); - ts->ts_antenna = 0; + ts->ts_shortretry = MS(status, AR_RTSFailCnt); + ts->ts_longretry = MS(status, AR_DataFailCnt); + ts->ts_virtcol = MS(status, AR_VirtRetryCnt); - ts->tid = MS(ads->status8, AR_TxTid); + status = ACCESS_ONCE(ads->status7); + ts->ts_rssi = MS(status, AR_TxRSSICombined); + ts->ts_rssi_ext0 = MS(status, AR_TxRSSIAnt10); + ts->ts_rssi_ext1 = MS(status, AR_TxRSSIAnt11); + ts->ts_rssi_ext2 = MS(status, AR_TxRSSIAnt12); memset(ads, 0, sizeof(*ads)); @@ -407,12 +410,36 @@ static void ar9003_hw_set11n_ratescenario(struct ath_hw *ah, void *ds, static void ar9003_hw_set11n_aggr_first(struct ath_hw *ah, void *ds, u32 aggrLen) { +#define FIRST_DESC_NDELIMS 60 struct ar9003_txc *ads = (struct ar9003_txc *) ds; ads->ctl12 |= (AR_IsAggr | AR_MoreAggr); - ads->ctl17 &= ~AR_AggrLen; - ads->ctl17 |= SM(aggrLen, AR_AggrLen); + if (ah->ent_mode & AR_ENT_OTP_MPSD) { + u32 ctl17, ndelim; + /* + * Add delimiter when using RTS/CTS with aggregation + * and non enterprise AR9003 card + */ + ctl17 = ads->ctl17; + ndelim = MS(ctl17, AR_PadDelim); + + if (ndelim < FIRST_DESC_NDELIMS) { + aggrLen += (FIRST_DESC_NDELIMS - ndelim) * 4; + ndelim = FIRST_DESC_NDELIMS; + } + + ctl17 &= ~AR_AggrLen; + ctl17 |= SM(aggrLen, AR_AggrLen); + + ctl17 &= ~AR_PadDelim; + ctl17 |= SM(ndelim, AR_PadDelim); + + ads->ctl17 = ctl17; + } else { + ads->ctl17 &= ~AR_AggrLen; + ads->ctl17 |= SM(aggrLen, AR_AggrLen); + } } static void ar9003_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds, |