Change the descriptor length to 24 and explicitly
set the control field 23 to zero. Not doing so would
result in dropping of frames.
Signed-off-by: Sujith Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/ar9003_mac.c | 6 +++++-
drivers/net/wireless/ath/ath9k/ar9003_mac.h | 3 ++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 09b8c9d..39cb482 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -28,11 +28,14 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
struct ar9003_txc *ads = ds;
int checksum = 0;
u32 val, ctl12, ctl17;
+ u8 desc_len;
+
+ desc_len = (AR_SREV_9462(ah) ? 0x18 : 0x17);
val = (ATHEROS_VENDOR_ID << AR_DescId_S) |
(1 << AR_TxRxDesc_S) |
(1 << AR_CtrlStat_S) |
- (i->qcu << AR_TxQcuNum_S) | 0x17;
+ (i->qcu << AR_TxQcuNum_S) | desc_len;
checksum += val;
ACCESS_ONCE(ads->info) = val;
@@ -81,6 +84,7 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
ads->ctl20 = 0;
ads->ctl21 = 0;
ads->ctl22 = 0;
+ ads->ctl23 = 0;
ctl17 = SM(i->keytype, AR_EncrType);
if (!i->is_first) {
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.h b/drivers/net/wireless/ath/ath9k/ar9003_mac.h
index e203b51..cbf60b0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.h
@@ -92,7 +92,8 @@ struct ar9003_txc {
u32 ctl20; /* DMA control 20 */
u32 ctl21; /* DMA control 21 */
u32 ctl22; /* DMA control 22 */
- u32 pad[9]; /* pad to cache line (128 bytes/32 dwords) */
+ u32 ctl23; /* DMA control 23 */
+ u32 pad[8]; /* pad to cache line (128 bytes/32 dwords) */
} __packed __aligned(4);
struct ar9003_txs {
--
1.7.9.1