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Commit 215999f3 authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
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ath9k: Enable SGI correctly 



Set the driver specific SGI flag based on the station's
HT capabilities, otherwise rate control uses the wrong rate.

Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 791ef39c

drivers/net/wireless/ath/ath9k/rc.c

+7 −4
Original line number Diff line number Diff line
@@ -1222,11 +1222,14 @@ static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta) 
			caps |= WLAN_RC_TS_FLAG | WLAN_RC_DS_FLAG;

		else if (sta->ht_cap.mcs.rx_mask[1])

			caps |= WLAN_RC_DS_FLAG;

		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)

		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {

			caps |= WLAN_RC_40_FLAG;

		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40 ||

		    sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)

			if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)

				caps |= WLAN_RC_SGI_FLAG;

		} else {

			if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)

				caps |= WLAN_RC_SGI_FLAG;

		}

	}



	return caps;