rt2860_vap
struct rt2860_vap *rvp;
rvp = malloc(sizeof(struct rt2860_vap), M_80211_VAP, M_WAITOK | M_ZERO);
struct rt2860_vap *rvp = RT2860_VAP(vap);
struct rt2860_vap *rvp = RT2860_VAP(vap);
#define RT2860_VAP(vap) ((struct rt2860_vap *)(vap))