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ath9k: add a better fix for the rx tasklet vs rx flush race

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Ensure that the rx tasklet is no longer running when entering the reset path.
Also remove the distinction between flush and no-flush frame processing.
If a frame has been received and ACKed by the hardware, the stack needs to see
it, so that the BA receive window does not go out of sync.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2013-01-09 16:16:55 +01:00
committed by John W. Linville
parent 3adcf20afb
commit 7fc00a3054
5 changed files with 4 additions and 19 deletions
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2
drivers/net/wireless/ath/ath9k/debug.h
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@@ -216,7 +216,6 @@ struct ath_tx_stats {
* @rx_oom_err: No. of frames dropped due to OOM issues.
* @rx_rate_err: No. of frames dropped due to rate errors.
* @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
* @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
* @rx_beacons: No. of beacons received.
* @rx_frags: No. of rx-fragements received.
*/
@@ -235,7 +234,6 @@ struct ath_rx_stats {
u32 rx_oom_err;
u32 rx_rate_err;
u32 rx_too_many_frags_err;
u32 rx_drop_rxflush;
u32 rx_beacons;
u32 rx_frags;
};