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path: root/drivers/net/wireless/ath/ath9k/ar9002_mac.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9002_mac.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_mac.c144
1 files changed, 63 insertions, 81 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 50dda394f8be..399ab3bb299b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -90,13 +90,10 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
*masked = isr & ATH9K_INT_COMMON;
- if (ah->config.rx_intr_mitigation) {
- if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
- *masked |= ATH9K_INT_RX;
- }
-
- if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
+ if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM |
+ AR_ISR_RXOK | AR_ISR_RXERR))
*masked |= ATH9K_INT_RX;
+
if (isr &
(AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
AR_ISR_TXEOL)) {
@@ -114,16 +111,8 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
}
if (isr & AR_ISR_RXORN) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "receive FIFO overrun interrupt\n");
- }
-
- if (!AR_SREV_9100(ah)) {
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
- u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
- if (isr5 & AR_ISR_S5_TIM_TIMER)
- *masked |= ATH9K_INT_TIM_TIMER;
- }
+ ath_dbg(common, ATH_DBG_INTERRUPT,
+ "receive FIFO overrun interrupt\n");
}
*masked |= mask2;
@@ -136,17 +125,18 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
u32 s5_s;
s5_s = REG_READ(ah, AR_ISR_S5_S);
- if (isr & AR_ISR_GENTMR) {
- ah->intr_gen_timer_trigger =
+ ah->intr_gen_timer_trigger =
MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
- ah->intr_gen_timer_thresh =
- MS(s5_s, AR_ISR_S5_GENTIMER_THRESH);
+ ah->intr_gen_timer_thresh =
+ MS(s5_s, AR_ISR_S5_GENTIMER_THRESH);
- if (ah->intr_gen_timer_trigger)
- *masked |= ATH9K_INT_GENTIMER;
+ if (ah->intr_gen_timer_trigger)
+ *masked |= ATH9K_INT_GENTIMER;
- }
+ if ((s5_s & AR_ISR_S5_TIM_TIMER) &&
+ !(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+ *masked |= ATH9K_INT_TIM_TIMER;
}
if (sync_cause) {
@@ -157,25 +147,25 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
if (fatal_int) {
if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
- ath_print(common, ATH_DBG_ANY,
- "received PCI FATAL interrupt\n");
+ ath_dbg(common, ATH_DBG_ANY,
+ "received PCI FATAL interrupt\n");
}
if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
- ath_print(common, ATH_DBG_ANY,
- "received PCI PERR interrupt\n");
+ ath_dbg(common, ATH_DBG_ANY,
+ "received PCI PERR interrupt\n");
}
*masked |= ATH9K_INT_FATAL;
}
if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
+ ath_dbg(common, ATH_DBG_INTERRUPT,
+ "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
REG_WRITE(ah, AR_RC, 0);
*masked |= ATH9K_INT_FATAL;
}
if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
+ ath_dbg(common, ATH_DBG_INTERRUPT,
+ "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
}
REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
@@ -218,77 +208,70 @@ static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
struct ath_tx_status *ts)
{
struct ar5416_desc *ads = AR5416DESC(ds);
+ u32 status;
- if ((ads->ds_txstatus9 & AR_TxDone) == 0)
+ status = ACCESS_ONCE(ads->ds_txstatus9);
+ if ((status & AR_TxDone) == 0)
return -EINPROGRESS;
- ts->ts_seqnum = MS(ads->ds_txstatus9, AR_SeqNum);
ts->ts_tstamp = ads->AR_SendTimestamp;
ts->ts_status = 0;
ts->ts_flags = 0;
- if (ads->ds_txstatus1 & AR_FrmXmitOK)
+ if (status & AR_TxOpExceeded)
+ ts->ts_status |= ATH9K_TXERR_XTXOP;
+ ts->tid = MS(status, AR_TxTid);
+ ts->ts_rateindex = MS(status, AR_FinalTxIdx);
+ ts->ts_seqnum = MS(status, AR_SeqNum);
+
+ status = ACCESS_ONCE(ads->ds_txstatus0);
+ 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->AR_BaBitmapLow;
+ ts->ba_high = ads->AR_BaBitmapHigh;
+ }
+
+ status = ACCESS_ONCE(ads->ds_txstatus1);
+ if (status & AR_FrmXmitOK)
ts->ts_status |= ATH9K_TX_ACKED;
- if (ads->ds_txstatus1 & AR_ExcessiveRetries)
- ts->ts_status |= ATH9K_TXERR_XRETRY;
- if (ads->ds_txstatus1 & AR_Filtered)
- ts->ts_status |= ATH9K_TXERR_FILT;
- if (ads->ds_txstatus1 & AR_FIFOUnderrun) {
- ts->ts_status |= ATH9K_TXERR_FIFO;
- ath9k_hw_updatetxtriglevel(ah, true);
+ else {
+ if (status & AR_ExcessiveRetries)
+ ts->ts_status |= ATH9K_TXERR_XRETRY;
+ if (status & AR_Filtered)
+ ts->ts_status |= ATH9K_TXERR_FILT;
+ if (status & AR_FIFOUnderrun) {
+ ts->ts_status |= ATH9K_TXERR_FIFO;
+ ath9k_hw_updatetxtriglevel(ah, true);
+ }
}
- if (ads->ds_txstatus9 & AR_TxOpExceeded)
- ts->ts_status |= ATH9K_TXERR_XTXOP;
- if (ads->ds_txstatus1 & AR_TxTimerExpired)
+ if (status & AR_TxTimerExpired)
ts->ts_status |= ATH9K_TXERR_TIMER_EXPIRED;
-
- if (ads->ds_txstatus1 & AR_DescCfgErr)
+ if (status & AR_DescCfgErr)
ts->ts_flags |= ATH9K_TX_DESC_CFG_ERR;
- if (ads->ds_txstatus1 & AR_TxDataUnderrun) {
+ if (status & AR_TxDataUnderrun) {
ts->ts_flags |= ATH9K_TX_DATA_UNDERRUN;
ath9k_hw_updatetxtriglevel(ah, true);
}
- if (ads->ds_txstatus1 & AR_TxDelimUnderrun) {
+ if (status & AR_TxDelimUnderrun) {
ts->ts_flags |= ATH9K_TX_DELIM_UNDERRUN;
ath9k_hw_updatetxtriglevel(ah, true);
}
- if (ads->ds_txstatus0 & AR_TxBaStatus) {
- ts->ts_flags |= ATH9K_TX_BA;
- ts->ba_low = ads->AR_BaBitmapLow;
- ts->ba_high = ads->AR_BaBitmapHigh;
- }
+ ts->ts_shortretry = MS(status, AR_RTSFailCnt);
+ ts->ts_longretry = MS(status, AR_DataFailCnt);
+ ts->ts_virtcol = MS(status, AR_VirtRetryCnt);
- ts->ts_rateindex = MS(ads->ds_txstatus9, AR_FinalTxIdx);
- switch (ts->ts_rateindex) {
- case 0:
- ts->ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate0);
- break;
- case 1:
- ts->ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate1);
- break;
- case 2:
- ts->ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate2);
- break;
- case 3:
- ts->ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate3);
- break;
- }
+ status = ACCESS_ONCE(ads->ds_txstatus5);
+ 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);
- ts->ts_rssi = MS(ads->ds_txstatus5, AR_TxRSSICombined);
- ts->ts_rssi_ctl0 = MS(ads->ds_txstatus0, AR_TxRSSIAnt00);
- ts->ts_rssi_ctl1 = MS(ads->ds_txstatus0, AR_TxRSSIAnt01);
- ts->ts_rssi_ctl2 = MS(ads->ds_txstatus0, AR_TxRSSIAnt02);
- ts->ts_rssi_ext0 = MS(ads->ds_txstatus5, AR_TxRSSIAnt10);
- ts->ts_rssi_ext1 = MS(ads->ds_txstatus5, AR_TxRSSIAnt11);
- ts->ts_rssi_ext2 = MS(ads->ds_txstatus5, AR_TxRSSIAnt12);
ts->evm0 = ads->AR_TxEVM0;
ts->evm1 = ads->AR_TxEVM1;
ts->evm2 = ads->AR_TxEVM2;
- ts->ts_shortretry = MS(ads->ds_txstatus1, AR_RTSFailCnt);
- ts->ts_longretry = MS(ads->ds_txstatus1, AR_DataFailCnt);
- ts->ts_virtcol = MS(ads->ds_txstatus1, AR_VirtRetryCnt);
- ts->tid = MS(ads->ds_txstatus9, AR_TxTid);
- ts->ts_antenna = 0;
return 0;
}
@@ -300,7 +283,6 @@ static void ar9002_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
{
struct ar5416_desc *ads = AR5416DESC(ds);
- txPower += ah->txpower_indexoffset;
if (txPower > 63)
txPower = 63;
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-26 00:35:26 +0000