Commit 8aa15e15 authored by Senthil Balasubramanian's avatar Senthil Balasubramanian Committed by John W. Linville

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: default avatarSenthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 2df1bff4
......@@ -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;
......
......@@ -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)
......
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