bsd/net/if_stf.c

301 	struct stf_softc	*sc = ifnet_softc(ifp);
303 	sc->tap_mode = mode;
304 	sc->tap_callback = callback;
312 	struct stf_softc *sc;
324 	sc = _MALLOC(sizeof(struct stf_softc), M_DEVBUF, M_WAITOK);
325 	if (sc == 0) {
330 	bzero(sc, sizeof(*sc));
333 	    &in_stf_protosw, sc);
336 		FREE(sc, M_DEVBUF);
339 	sc->encap_cookie = p;
340 	lck_mtx_init(&sc->sc_ro_mtx, stf_mtx_grp, LCK_ATTR_NULL);
351 	stf_init.softc = sc;
355 	error = ifnet_allocate(&stf_init, &sc->sc_if);
358 		encap_detach(sc->encap_cookie);
359 		lck_mtx_destroy(&sc->sc_ro_mtx, stf_mtx_grp);
360 		FREE(sc, M_DEVBUF);
363 	ifnet_set_mtu(sc->sc_if, IPV6_MMTU);
364 	ifnet_set_flags(sc->sc_if, 0, 0xffff); /* clear all flags */
367 	ifnet_set_flags(sc->sc_if, IFF_LINK2, IFF_LINK2);
371 	mac_ifnet_label_init(&sc->sc_if);
374 	error = ifnet_attach(sc->sc_if, NULL);
377 		encap_detach(sc->encap_cookie);
378 		ifnet_release(sc->sc_if);
379 		lck_mtx_destroy(&sc->sc_ro_mtx, stf_mtx_grp);
380 		FREE(sc, M_DEVBUF);
384 	bpfattach(sc->sc_if, DLT_NULL, sizeof(u_int));
398 	struct stf_softc *sc;
401 	sc = (struct stf_softc *)arg;
402 	if (sc == NULL)
405 	if ((ifnet_flags(sc->sc_if) & IFF_UP) == 0)
409 	if ((ifnet_flags(sc->sc_if) & IFF_LINK0) != 0)
420 	ia6 = stf_getsrcifa6(sc->sc_if);
520 	struct stf_softc *sc;
532 	sc = ifnet_softc(ifp);
607 	lck_mtx_lock(&sc->sc_ro_mtx);
608 	dst4 = (struct sockaddr_in *)(void *)&sc->sc_ro.ro_dst;
609 	if (ROUTE_UNUSABLE(&sc->sc_ro) || dst4->sin_family != AF_INET ||
611 		ROUTE_RELEASE(&sc->sc_ro);
618 	result = ip_output(m, NULL, &sc->sc_ro, IP_OUTARGS, NULL, &ipoa);
619 	lck_mtx_unlock(&sc->sc_ro_mtx);
642 	struct stf_softc *sc,
684 	if (sc && (ifnet_flags(sc->sc_if) & IFF_LINK2) == 0 && inifp) {
698 			    "due to ingress filter\n", if_name(sc->sc_if),
716 	struct stf_softc *sc,
724 		return stf_checkaddr4(sc, GET_V4(in6), inifp);
743 	struct stf_softc *sc;
761 	sc = (struct stf_softc *)encap_getarg(m);
763 	if (sc == NULL || (ifnet_flags(sc->sc_if) & IFF_UP) == 0) {
768 	ifp = sc->sc_if;
778 	if (stf_checkaddr4(sc, &ip->ip_dst, NULL) < 0 ||
779 	    stf_checkaddr4(sc, &ip->ip_src, m->m_pkthdr.rcvif) < 0) {
791 	if (stf_checkaddr6(sc, &ip6.ip6_dst, NULL) < 0 ||
792 	    stf_checkaddr6(sc, &ip6.ip6_src, m->m_pkthdr.rcvif) < 0) {