illif_mcast_v1
uint16_t illif_mcast_v1; /* hints for */
#define illif_mcast_v1 ill_if_s.illif_mcast_v1
if (ifp->illif_mcast_v1 == 0 && ifp->illif_mcast_v2 == 0)
atomic_dec_16(&ifp->illif_mcast_v1);
if (ifp->illif_mcast_v1 == 0)
atomic_dec_16(&ifp->illif_mcast_v1);
atomic_inc_16(&ill->ill_ifptr->illif_mcast_v1);
atomic_inc_16(&ill->ill_ifptr->illif_mcast_v1);