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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>
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2df1bff4c5
commit
8aa15e1506
2 changed files with 9 additions and 2 deletions
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@ -1212,6 +1212,14 @@ struct ath_hal *ath9k_hw_attach(u16 devid, struct ath_softc *sc,
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static void ath9k_hw_override_ini(struct ath_hal *ah,
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struct ath9k_channel *chan)
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{
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/*
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* Set the RX_ABORT and RX_DIS and clear if off only after
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* RXE is set for MAC. This prevents frames with corrupted
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* descriptor status.
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*/
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REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
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if (!AR_SREV_5416_V20_OR_LATER(ah) ||
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AR_SREV_9280_10_OR_LATER(ah))
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return;
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@ -916,12 +916,11 @@ void ath9k_hw_rxena(struct ath_hal *ah)
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void ath9k_hw_startpcureceive(struct ath_hal *ah)
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{
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REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
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ath9k_enable_mib_counters(ah);
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ath9k_ani_reset(ah);
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REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
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}
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void ath9k_hw_stoppcurecv(struct ath_hal *ah)
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