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authorThomas Pedersen <thomas@cozybit.com>2012-04-19 06:24:14 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-04-23 23:34:07 +0400
commitaee286c2cf94929f90d4d1f64ee9b316007ba284 (patch)
treeca3f8a9e70d36d2960b8f8620c328b135c3c7483 /net/mac80211
parente76781e48f969e044d318485274b9574f1ccc3dd (diff)
downloadlinux-aee286c2cf94929f90d4d1f64ee9b316007ba284.tar.xz
mac80211: fix STA channel width field
According to IEEE 802.11 8.4.2.59, set the "STA channel width" bit to 0 if transmitting STA is using a 20mhz channel. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/util.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 89c1e5b9ba94..577942bfc024 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1684,7 +1684,9 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
break;
}
- if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
+ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
+ channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20)
ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
/*