IEEE80211_CHANSTATE_CACDONE
(((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0)
c->ic_state |= IEEE80211_CHANSTATE_CACDONE;
c->ic_state &= ~IEEE80211_CHANSTATE_CACDONE;
c->ic_state &= ~IEEE80211_CHANSTATE_CACDONE;