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path: root/drivers/net/wireless/ath/ath9k/mac.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c70
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);