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authorFelix Fietkau <nbd@openwrt.org>2014-03-09 11:02:54 +0100
committerJiri Slaby <jslaby@suse.cz>2014-05-15 09:56:06 +0200
commit271c57edfaa6b564032024711fdbc6608ea83129 (patch)
treef667d4dc1a6e48c3be237d09d3a1afb17cd90dea
parent1c0bbecc26637b7cdd4f7aad19b9141a6524678e (diff)
ath9k: fix ready time of the multicast buffer queue
commit 3b3e0efb5c72c4fc940af50b33626b8a78a907dc upstream. qi->tqi_readyTime is written directly to registers that expect microseconds as unit instead of TU. When setting the CABQ ready time, cur_conf->beacon_interval is in TU, so convert it to microseconds before passing it to ath9k_hw. This should hopefully fix some Tx DMA issues with buffered multicast frames in AP mode. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index ba39178a94ab..00e3f49fcf9b 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1718,7 +1718,7 @@ int ath_cabq_update(struct ath_softc *sc)
else if (sc->config.cabqReadytime > ATH9K_READY_TIME_HI_BOUND)
sc->config.cabqReadytime = ATH9K_READY_TIME_HI_BOUND;
- qi.tqi_readyTime = (cur_conf->beacon_interval *
+ qi.tqi_readyTime = (TU_TO_USEC(cur_conf->beacon_interval) *
sc->config.cabqReadytime) / 100;
ath_txq_update(sc, qnum, &qi);