ieee80211_ctl_rate
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);