From: Felix Fietkau Date: Tue, 14 Sep 2010 16:38:26 +0000 (+0200) Subject: ath9k_hw: handle rx key miss X-Git-Tag: v2.6.37-rc1~147^2~265^2^2~117 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3ae74c33c4f799f6bf6d67240a94a0814a8f1944;p=profile%2Fivi%2Fkernel-x86-ivi.git ath9k_hw: handle rx key miss If AR_KeyMiss is set in the rx descriptor and AR_RxFrameOK is unset, the hardware could not locate a valid key during a decryption attempt. In this case, the frame must not be reported as decrypted, otherwise mac80211 sees only random garbage. Signed-off-by: Felix Fietkau Cc: stable@kernel.org Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index a462da2..3b424ca 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -616,7 +616,8 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, rxs->rs_status |= ATH9K_RXERR_DECRYPT; } else if (rxsp->status11 & AR_MichaelErr) { rxs->rs_status |= ATH9K_RXERR_MIC; - } + } else if (rxsp->status11 & AR_KeyMiss) + rxs->rs_status |= ATH9K_RXERR_DECRYPT; } return 0; diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 0b7d125..3efda8a 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -714,6 +714,8 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, else if ((ads.ds_rxstatus8 & AR_MichaelErr) && rs->rs_keyix != ATH9K_RXKEYIX_INVALID) rs->rs_status |= ATH9K_RXERR_MIC; + else if (ads.ds_rxstatus8 & AR_KeyMiss) + rs->rs_status |= ATH9K_RXERR_DECRYPT; } return 0;