diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mac.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/mac.c | 70 |
1 files changed, 24 insertions, 46 deletions
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index b6b523a..167c7f6 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -16,6 +16,7 @@ #include "hw.h" #include "hw-ops.h" +#include <linux/export.h> static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah, struct ath9k_tx_queue_info *qi) @@ -62,18 +63,6 @@ void ath9k_hw_txstart(struct ath_hw *ah, u32 q) } EXPORT_SYMBOL(ath9k_hw_txstart); -void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds) -{ - struct ar5416_desc *ads = AR5416DESC(ds); - - ads->ds_txstatus0 = ads->ds_txstatus1 = 0; - ads->ds_txstatus2 = ads->ds_txstatus3 = 0; - ads->ds_txstatus4 = ads->ds_txstatus5 = 0; - ads->ds_txstatus6 = ads->ds_txstatus7 = 0; - ads->ds_txstatus8 = ads->ds_txstatus9 = 0; -} -EXPORT_SYMBOL(ath9k_hw_cleartxdesc); - u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q) { u32 npend; @@ -322,14 +311,7 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type, q = ATH9K_NUM_TX_QUEUES - 3; break; case ATH9K_TX_QUEUE_DATA: - for (q = 0; q < ATH9K_NUM_TX_QUEUES; q++) - if (ah->txq[q].tqi_type == - ATH9K_TX_QUEUE_INACTIVE) - break; - if (q == ATH9K_NUM_TX_QUEUES) { - ath_err(common, "No available TX queue\n"); - return -1; - } + q = qinfo->tqi_subtype; break; default: ath_err(common, "Invalid TX queue type: %u\n", type); @@ -345,21 +327,8 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type, } memset(qi, 0, sizeof(struct ath9k_tx_queue_info)); qi->tqi_type = type; - if (qinfo == NULL) { - qi->tqi_qflags = - TXQ_FLAG_TXOKINT_ENABLE - | TXQ_FLAG_TXERRINT_ENABLE - | TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE; - qi->tqi_aifs = INIT_AIFS; - qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT; - qi->tqi_cwmax = INIT_CWMAX; - qi->tqi_shretry = INIT_SH_RETRY; - qi->tqi_lgretry = INIT_LG_RETRY; - qi->tqi_physCompBuf = 0; - } else { - qi->tqi_physCompBuf = qinfo->tqi_physCompBuf; - (void) ath9k_hw_set_txq_props(ah, q, qinfo); - } + qi->tqi_physCompBuf = qinfo->tqi_physCompBuf; + (void) ath9k_hw_set_txq_props(ah, q, qinfo); return q; } @@ -564,7 +533,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q) EXPORT_SYMBOL(ath9k_hw_resettxqueue); int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, - struct ath_rx_status *rs, u64 tsf) + struct ath_rx_status *rs) { struct ar5416_desc ads; struct ar5416_desc *adsp = AR5416DESC(ds); @@ -609,7 +578,7 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, else rs->rs_keyix = ATH9K_RXKEYIX_INVALID; - rs->rs_rate = RXSTATUS_RATE(ah, (&ads)); + rs->rs_rate = MS(ads.ds_rxstatus0, AR_RxRate); rs->rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0; rs->rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0; @@ -645,10 +614,11 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, rs->rs_status |= ATH9K_RXERR_DECRYPT; else if (ads.ds_rxstatus8 & AR_MichaelErr) rs->rs_status |= ATH9K_RXERR_MIC; - else if (ads.ds_rxstatus8 & AR_KeyMiss) - rs->rs_status |= ATH9K_RXERR_DECRYPT; } + if (ads.ds_rxstatus8 & AR_KeyMiss) + rs->rs_status |= ATH9K_RXERR_KEYMISS; + return 0; } EXPORT_SYMBOL(ath9k_hw_rxprocdesc); @@ -800,6 +770,11 @@ void ath9k_hw_disable_interrupts(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); + if (!(ah->imask & ATH9K_INT_GLOBAL)) + atomic_set(&ah->intr_ref_cnt, -1); + else + atomic_dec(&ah->intr_ref_cnt); + ath_dbg(common, ATH_DBG_INTERRUPT, "disable IER\n"); REG_WRITE(ah, AR_IER, AR_IER_DISABLE); (void) REG_READ(ah, AR_IER); @@ -821,6 +796,13 @@ void ath9k_hw_enable_interrupts(struct ath_hw *ah) if (!(ah->imask & ATH9K_INT_GLOBAL)) return; + if (!atomic_inc_and_test(&ah->intr_ref_cnt)) { + ath_dbg(common, ATH_DBG_INTERRUPT, + "Do not enable IER ref count %d\n", + atomic_read(&ah->intr_ref_cnt)); + return; + } + if (AR_SREV_9340(ah)) sync_default &= ~AR_INTR_SYNC_HOST1_FATAL; @@ -840,9 +822,9 @@ void ath9k_hw_enable_interrupts(struct ath_hw *ah) } EXPORT_SYMBOL(ath9k_hw_enable_interrupts); -void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints) +void ath9k_hw_set_interrupts(struct ath_hw *ah) { - enum ath9k_int omask = ah->imask; + enum ath9k_int ints = ah->imask; u32 mask, mask2; struct ath9k_hw_capabilities *pCap = &ah->caps; struct ath_common *common = ath9k_hw_common(ah); @@ -850,9 +832,8 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints) if (!(ints & ATH9K_INT_GLOBAL)) ath9k_hw_disable_interrupts(ah); - ath_dbg(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints); + ath_dbg(common, ATH_DBG_INTERRUPT, "New interrupt mask 0x%x\n", ints); - /* TODO: global int Ref count */ mask = ints & ATH9K_INT_COMMON; mask2 = 0; @@ -929,9 +910,6 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints) REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER); } - if (ints & ATH9K_INT_GLOBAL) - ath9k_hw_enable_interrupts(ah); - return; } EXPORT_SYMBOL(ath9k_hw_set_interrupts); |