bsd/net/if_stf.c

300 	struct stf_softc	*sc = ifnet_softc(ifp);
302 	sc->tap_mode = mode;
303 	sc->tap_callback = callback;
311 	struct stf_softc *sc;
323 	sc = _MALLOC(sizeof(struct stf_softc), M_DEVBUF, M_WAITOK);
324 	if (sc == 0) {
329 	bzero(sc, sizeof(*sc));
332 	    &in_stf_protosw, sc);
335 		FREE(sc, M_DEVBUF);
338 	sc->encap_cookie = p;
339 	lck_mtx_init(&sc->sc_ro_mtx, stf_mtx_grp, LCK_ATTR_NULL);
350 	stf_init.softc = sc;
354 	error = ifnet_allocate(&stf_init, &sc->sc_if);
357 		encap_detach(sc->encap_cookie);
358 		lck_mtx_destroy(&sc->sc_ro_mtx, stf_mtx_grp);
359 		FREE(sc, M_DEVBUF);
362 	ifnet_set_mtu(sc->sc_if, IPV6_MMTU);
363 	ifnet_set_flags(sc->sc_if, 0, 0xffff); /* clear all flags */
366 	ifnet_set_flags(sc->sc_if, IFF_LINK2, IFF_LINK2);
370 	mac_ifnet_label_init(&sc->sc_if);
373 	error = ifnet_attach(sc->sc_if, NULL);
376 		encap_detach(sc->encap_cookie);
377 		ifnet_release(sc->sc_if);
378 		lck_mtx_destroy(&sc->sc_ro_mtx, stf_mtx_grp);
379 		FREE(sc, M_DEVBUF);
383 	bpfattach(sc->sc_if, DLT_NULL, sizeof(u_int));
397 	struct stf_softc *sc;
400 	sc = (struct stf_softc *)arg;
401 	if (sc == NULL)
404 	if ((ifnet_flags(sc->sc_if) & IFF_UP) == 0)
408 	if ((ifnet_flags(sc->sc_if) & IFF_LINK0) != 0)
419 	ia6 = stf_getsrcifa6(sc->sc_if);
519 	struct stf_softc *sc;
530 	sc = ifnet_softc(ifp);
605 	lck_mtx_lock(&sc->sc_ro_mtx);
606 	dst4 = (struct sockaddr_in *)(void *)&sc->sc_ro.ro_dst;
613 		if (sc->sc_ro.ro_rt) {
614 			rtfree(sc->sc_ro.ro_rt);
615 			sc->sc_ro.ro_rt = NULL;
619 	result = ip_output_list(m, 0, NULL, &sc->sc_ro, IP_OUTARGS, NULL,
621 	lck_mtx_unlock(&sc->sc_ro_mtx);
644 	struct stf_softc *sc,
686 	if (sc && (ifnet_flags(sc->sc_if) & IFF_LINK2) == 0 && inifp) {
700 			    "due to ingress filter\n", if_name(sc->sc_if),
718 	struct stf_softc *sc,
726 		return stf_checkaddr4(sc, GET_V4(in6), inifp);
745 	struct stf_softc *sc;
763 	sc = (struct stf_softc *)encap_getarg(m);
765 	if (sc == NULL || (ifnet_flags(sc->sc_if) & IFF_UP) == 0) {
770 	ifp = sc->sc_if;
780 	if (stf_checkaddr4(sc, &ip->ip_dst, NULL) < 0 ||
781 	    stf_checkaddr4(sc, &ip->ip_src, m->m_pkthdr.rcvif) < 0) {
793 	if (stf_checkaddr6(sc, &ip6.ip6_dst, NULL) < 0 ||
794 	    stf_checkaddr6(sc, &ip6.ip6_src, m->m_pkthdr.rcvif) < 0) {