ic->ic_bss = ni;
ic->ic_bss = ieee80211_ref_node(ni);
ieee80211_node_lateattach(struct ifnet *ifp){	struct ieee80211com *ic = (void *)ifp;	struct ieee80211_node *ni;	ni = (*ic->ic_node_alloc)(ic);	IASSERT(ni != NULL, ("unable to setup inital BSS node"));	ni->ni_chan = IEEE80211_CHAN_ANYC;	ic->ic_bss = ni;	ic->ic_txpower = IEEE80211_TXPOWER_MAX;}