is_if
struct ifnet *ifp = &sc->is_if;
sc->is_if.if_flags |= IFF_RUNNING;
IF_DEQUEUE(&sc->is_if.if_snd, m);
struct ifnet *ifp = &sc->is_if;
if_statinc(&sc->is_if, if_opackets);
if_statinc(&sc->is_if, if_collisions);
if_statinc(&sc->is_if, if_oerrors);
if_statinc(&sc->is_if, if_ierrors);
if_statinc(&sc->is_if, if_ierrors);
if_statinc(&sc->is_if, if_ierrors);