---

yaml --- r: 351771 b: refs/heads/master c: 21add82 h: refs/heads/master i: 351769: eae40b1 351767: 7718474 v: v3
git-mirror · Jan 3, 2013 · 104182d · 104182d
1 parent 3e227f5
commit 104182d
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Showing 2 changed files with 16 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1c06ef9831c78648f719a174e4598ae2600b0cf7
+refs/heads/master: 21add825f90a50407e0121833c8b7cd2c071c478
diff --git a/trunk/net/mac80211/ht.c b/trunk/net/mac80211/ht.c
@@ -120,6 +120,21 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
 		   IEEE80211_HT_CAP_SGI_20 |
 		   IEEE80211_HT_CAP_SGI_40 |
 		   IEEE80211_HT_CAP_DSSSCCK40));
+
+	/* Unset 40 MHz if we're not using a 40 MHz channel */
+	switch (sdata->vif.bss_conf.chandef.width) {
+	case NL80211_CHAN_WIDTH_20_NOHT:
+	case NL80211_CHAN_WIDTH_20:
+		ht_cap->cap &= ~IEEE80211_HT_CAP_SGI_40;
+		ht_cap->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+		break;
+	case NL80211_CHAN_WIDTH_40:
+	case NL80211_CHAN_WIDTH_80:
+	case NL80211_CHAN_WIDTH_80P80:
+	case NL80211_CHAN_WIDTH_160:
+		break;
+	}
+
 	/*
 	 * The STBC bits are asymmetric -- if we don't have
 	 * TX then mask out the peer's RX and vice versa.