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authorJanusz Dziedzic <janusz.dziedzic@tieto.com>2014-12-17 10:00:52 +0100
committerJohannes Berg <johannes.berg@intel.com>2014-12-17 11:47:26 +0100
commitd29544571507336811b81ca631baf6159cc8146a (patch)
tree9e3be3350e69e5febc1a7b0d7f52a8fa3afd3c59
parent848955ccf0bdf42fff33e021a76f6daec98fe59b (diff)
downloadlinux-d29544571507336811b81ca631baf6159cc8146a.tar.bz2
mac80211: notify NSS changed when IBSS and HT
When using IBSS in HT mode, we always get NSS=1 in rc_update callback. Force NSS recalculation when rates updated and notify driver that NSS changed. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/mac80211/ibss.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 509bc157ce55..b606b53a49a7 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1069,9 +1069,16 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
}
if (sta && rates_updated) {
- drv_sta_rc_update(local, sdata, &sta->sta,
- IEEE80211_RC_SUPP_RATES_CHANGED);
+ u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
+ u8 rx_nss = sta->sta.rx_nss;
+
+ /* Force rx_nss recalculation */
+ sta->sta.rx_nss = 0;
rate_control_rate_init(sta);
+ if (sta->sta.rx_nss != rx_nss)
+ changed |= IEEE80211_RC_NSS_CHANGED;
+
+ drv_sta_rc_update(local, sdata, &sta->sta, changed);
}
rcu_read_unlock();