| Date | Tue, 07 Dec 2010 16:56:41 -0800 | From | Greg KH <> | Subject | [024/289] ath9k: resume aggregation immediately after a hardware reset |
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2.6.36-stable review patch. If anyone has any objections, please let us know.
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From: Felix Fietkau <nbd@openwrt.org>
commit fac6b6a065da42f826088c58bddad82e1b1ccb40 upstream.
Since aggregation is usually triggered by tx completion, a hardware reset (because of beacon stuck, tx hang or baseband hang) can significantly delay the transmission of the next AMPDU (until the next tx completion event). Fix this by rescheduling aggregation after such a reset.
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/net/wireless/ath/ath9k/beacon.c | 2 +- drivers/net/wireless/ath/ath9k/main.c | 4 ++-- drivers/net/wireless/ath/ath9k/xmit.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -366,7 +366,7 @@ void ath_beacon_tasklet(unsigned long da ath_print(common, ATH_DBG_BEACON, "beacon is officially stuck\n"); sc->sc_flags |= SC_OP_TSF_RESET; - ath_reset(sc, false); + ath_reset(sc, true); } return; --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -554,7 +554,7 @@ void ath_hw_check(struct work_struct *wo msleep(1); } - ath_reset(sc, false); + ath_reset(sc, true); out: ath9k_ps_restore(sc); @@ -572,7 +572,7 @@ void ath9k_tasklet(unsigned long data) ath9k_ps_wakeup(sc); if (status & ATH9K_INT_FATAL) { - ath_reset(sc, false); + ath_reset(sc, true); ath9k_ps_restore(sc); return; } --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2206,7 +2206,7 @@ static void ath_tx_complete_poll_work(st ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET, "tx hung, resetting the chip\n"); ath9k_ps_wakeup(sc); - ath_reset(sc, false); + ath_reset(sc, true); ath9k_ps_restore(sc); }
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