IEEE80211_CHAN_NO_HT40
ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
if (ht40_flag == IEEE80211_CHAN_NO_HT40)
channel->flags &= ~IEEE80211_CHAN_NO_HT40;
channel->flags &= ~IEEE80211_CHAN_NO_HT40;
if (ht40_flag == IEEE80211_CHAN_NO_HT40)
channel->flags = IEEE80211_CHAN_NO_HT40 |
IEEE80211_CHAN_NO_HT40;
channel->flags = IEEE80211_CHAN_NO_HT40;
u32 flags = IEEE80211_CHAN_NO_HT40;
bw_flags |= IEEE80211_CHAN_NO_HT40;
if ((chan->flags & IEEE80211_CHAN_NO_HT40) == IEEE80211_CHAN_NO_HT40)
channel->flags |= IEEE80211_CHAN_NO_HT40;