IEEE80211_IOC_STBC
if (get80211val(ctx, IEEE80211_IOC_STBC, &stbc) < 0)
set80211(ctx, IEEE80211_IOC_STBC, stbc, 0, NULL);
if (get80211val(ctx, IEEE80211_IOC_STBC, &val) != -1) {
case IEEE80211_IOC_STBC:
case IEEE80211_IOC_STBC: