IEEE80211_CHANX_80MHZ
channel->ic_xflags |= IEEE80211_CHANX_80MHZ;
channel->ic_xflags |= IEEE80211_CHANX_80MHZ;
if ((ni->ni_chan->ic_xflags & IEEE80211_CHANX_80MHZ) &&
(((_c)->ic_xflags & IEEE80211_CHANX_80MHZ) != 0)