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Commit 2a5783b8 authored by Michael Liang's avatar Michael Liang Committed by John W. Linville
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ath9k: don't strip mic on non-encrypted frames in tkip 



Fix the following bug: in tkip mode, qos-null ps on/off packets
are dropped due to incorrect packet length so that ath9k softap
can't handle powersave state transition of peer STA correctly.

Signed-off-by: default avatarMichael Liang <mliang@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e0602750

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

+1 −0
Original line number Diff line number Diff line
@@ -812,6 +812,7 @@ static bool ath9k_rx_accept(struct ath_common *common, 
	is_valid_tkip = rx_stats->rs_keyix != ATH9K_RXKEYIX_INVALID &&

		test_bit(rx_stats->rs_keyix, common->tkip_keymap);

	strip_mic = is_valid_tkip && ieee80211_is_data(fc) &&

		ieee80211_has_protected(fc) &&

		!(rx_stats->rs_status &

		(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_CRC | ATH9K_RXERR_MIC |

		 ATH9K_RXERR_KEYMISS));