IEEE80211_NODE_TURBOP
#define IEEE80211_NODE_ATH (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP)
IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_TURBOP) ?
if (IEEE80211_ATH_CAP(vap, vap->iv_bss, IEEE80211_NODE_TURBOP))
IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_TURBOP) ?