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ath9k: Ensure a fair beacon distribution in IBSS mode

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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>
This commit is contained in:
Vivek Natarajan 2012-05-29 15:59:55 +05:30 committed by John W. Linville
parent cff3d1f093
commit d202caff28
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/ath/ath9k/beacon.c
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@ -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;
}