VUB_OFF
val &= ~(VUB_MASK << VUB_OFF(vid));
val |= (((1<<sc->numports)-1) << VUB_OFF(vid));
VUB_OFF(v->es_vlangroup)) & VUB_MASK;
val &= ~(VUB_MASK << VUB_OFF(v->es_vlangroup));
VUB_OFF(v->es_vlangroup));