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authorFelix Fietkau <nbd@openwrt.org>2010-09-14 18:38:26 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-09-14 16:14:27 -0400
commit3ae74c33c4f799f6bf6d67240a94a0814a8f1944 (patch)
tree9a36d507571c8cbc2169d4108061d60e77924c38 /drivers
parent2944f45d9db851e186774df7c9cbf075f4a585c6 (diff)
downloadblackbird-op-linux-3ae74c33c4f799f6bf6d67240a94a0814a8f1944.tar.gz
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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 <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mac.c3
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c2
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index a462da23e87e..3b424ca1ba84 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 0b7d1253f0c0..3efda8a8a3c1 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;
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