iwm_scan_rate_n_flags
uint32_t iwm_scan_rate_n_flags(struct iwm_softc *, int, int);
iwm_scan_rate_n_flags(sc, IEEE80211_CHAN_2GHZ, 1/*XXX*/);
iwm_scan_rate_n_flags(sc, IEEE80211_CHAN_5GHZ, 1/*XXX*/);