ieee80211_add_scan
ieee80211_add_scan(ic, &scan, &wh, IEEE80211_FC0_SUBTYPE_BEACON,
ieee80211_add_scan(ic, &scan, wh, subtype, rssi,
ieee80211_add_scan(ic, &scan, wh, subtype, rssi, rstamp);
void ieee80211_add_scan(struct ieee80211com *,