ieee80211_add_rates
p = ieee80211_add_rates(p, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, &ni->ni_rates);
frm = ieee80211_add_rates(frm, &ni->ni_rates);
frm = ieee80211_add_rates(frm, rs);
frm = ieee80211_add_rates(frm, rs);
uint8_t *ieee80211_add_rates(uint8_t *, const struct ieee80211_rateset *);