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ath9k: avoid rx frames with corrupted descriptor. 

Setting RX_ABORT/RX_DIS after MAC reset and clearing RX_ABORT/RX_DIS
after enbling RXE/RXDP to avoid rx frames with corrupted descriptor
status.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Senthil Balasubramanian 2008-12-08 19:43:50 +05:30 committed by John W. Linville
parent 2df1bff4c5
commit 8aa15e1506
2 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/ath9k/hw.c
View File

@ -1212,6 +1212,14 @@ struct ath_hal *ath9k_hw_attach(u16 devid, struct ath_softc *sc,
static void ath9k_hw_override_ini(struct ath_hal *ah,
struct ath9k_channel *chan)
{
/*
* Set the RX_ABORT and RX_DIS and clear if off only after
* RXE is set for MAC. This prevents frames with corrupted
* descriptor status.
*/
REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
if (!AR_SREV_5416_V20_OR_LATER(ah) ||
AR_SREV_9280_10_OR_LATER(ah))
return;

3
drivers/net/wireless/ath9k/mac.c
View File

@ -916,12 +916,11 @@ void ath9k_hw_rxena(struct ath_hal *ah)
void ath9k_hw_startpcureceive(struct ath_hal *ah)
{
REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
ath9k_enable_mib_counters(ah);
ath9k_ani_reset(ah);
REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
}
void ath9k_hw_stoppcurecv(struct ath_hal *ah)