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authorVivek Natarajan <nataraja@qca.qualcomm.com>2012-05-29 10:29:55 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2012-06-06 19:19:00 (GMT)
commitd202caff28d69f4ec6cf56568f79b0916294cade (patch)
treead8347543754e47a67a3b1ddd9118fe913231743
parentcff3d1f0931d0e6189f5ee718112b235bad1bf99 (diff)
downloadlinux-fsl-qoriq-d202caff28d69f4ec6cf56568f79b0916294cade.tar.xz
ath9k: Ensure a fair beacon distribution in IBSS mode
Configure CWmin based on slot time for IBSS mode. This helps in increasing the beacon distribution of ath9k to accepted levels in 11a mode. Signed-off-by: Vivek Natarajan <nataraja@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 11bc55e..70b8025 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -48,7 +48,10 @@ int ath_beaconq_config(struct ath_softc *sc)
txq = sc->tx.txq_map[WME_AC_BE];
ath9k_hw_get_txq_props(ah, txq->axq_qnum, &qi_be);
qi.tqi_aifs = qi_be.tqi_aifs;
- qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
+ if (ah->slottime == ATH9K_SLOT_TIME_20)
+ qi.tqi_cwmin = 2*qi_be.tqi_cwmin;
+ else
+ qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
qi.tqi_cwmax = qi_be.tqi_cwmax;
}