diff options
| author | Sujith Manoharan <c_manoha@qualcomm.com> | 2012-09-12 13:29:58 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-09-24 22:59:06 +0400 |
| commit | 215999f38017e8e26791fafc60631b4099ee04ea (patch) | |
| tree | 33640633ea68954958b8fb7d592f56aa08a9bfd4 /drivers/net/wireless/ath | |
| parent | 791ef39cd18ae2745a63c51a5dbbd23312be0744 (diff) | |
| download | linux-215999f38017e8e26791fafc60631b4099ee04ea.tar.xz | |
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: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/rc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 4b12c347d188..27ed80b54881 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -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) - caps |= WLAN_RC_SGI_FLAG; + 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; |