openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ath9k: Fix descriptor length for AR9462 

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 <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-02-16 11:53:00 +05:30 committed by John W. Linville
parent f4c6ac27d6
commit 9da2723206
2 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/ath/ath9k/ar9003_mac.c
View File

@ -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) {

3
drivers/net/wireless/ath/ath9k/ar9003_mac.h
View File

@ -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 {