From aee286c2cf94929f90d4d1f64ee9b316007ba284 Mon Sep 17 00:00:00 2001 From: Thomas Pedersen Date: Wed, 18 Apr 2012 19:24:14 -0700 Subject: [PATCH] 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 Signed-off-by: John W. Linville --- net/mac80211/util.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 89c1e5b9ba9..577942bfc02 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; /*