ieee80211_add_rsn
frm = ieee80211_add_rsn(frm, vap);
frm = ieee80211_add_rsn(frm, vap);
frm = ieee80211_add_rsn(frm, vap);
frm = ieee80211_add_rsn(frm, vap);
uint8_t *ieee80211_add_rsn(uint8_t *, const struct ieee80211vap *);