ieee80211_min_basic_rate
int min_ridx = iwx_rval2ridx(ieee80211_min_basic_rate(ic));
int min_ridx = iwm_rval2ridx(ieee80211_min_basic_rate(ic));
int ridx_min = iwm_rval2ridx(ieee80211_min_basic_rate(ic));
ridx_min = iwm_rval2ridx(ieee80211_min_basic_rate(ic));
int ieee80211_min_basic_rate(struct ieee80211com *);