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Commit 8aa15e15 authored Dec 08, 2008 by Senthil Balasubramanian Committed by John W. Linville Dec 12, 2008

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>

parent 2df1bff4

drivers/net/wireless/ath9k/hw.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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;

drivers/net/wireless/ath9k/mac.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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)