ath9k: fix spurious MIC failure reports

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According to the hardware documentation, the MIC failure bit is only
valid if the frame was decrypted using a valid TKIP key and is not a
fragment.
In some setups I've seen hardware-reported MIC failures on an AP that
was configured for CCMP only, so it's clear that additional checks are
necessary.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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This commit is contained in:

Felix Fietkau 2010-08-28 18:21:21 +02:00 • committed by John W. Linville

parent 3653910714

commit 56363ddeee

4 changed files with 25 additions and 9 deletions

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1

drivers/net/wireless/ath/ath.h

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11

drivers/net/wireless/ath/ath9k/common.c

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3

drivers/net/wireless/ath/ath9k/mac.c

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19

drivers/net/wireless/ath/ath9k/recv.c

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