bsd/netinet6/in6.c

507 in6_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
547 	if (ifp == NULL)
583 		return (nd6_ioctl(cmd, data, ifp));
607 		return (scope6_set(ifp, ifru_scope_id));
617 		return (scope6_get(ifp, ifru_scope_id));
640 		error = in6_lifaddr_ioctl(so, cmd, &iflr, ifp, p);
706 		return (in6_autoconf(ifp, TRUE));
710 		return (in6_autoconf(ifp, FALSE));
721 		if ((ifp->if_eflags & IFEF_NOAUTOIPV6LL) != 0  &&
725 			error = in6_if_up(ifp, ifra);
727 			error = in6_if_up(ifp, NULL);
737 			if (ia->ia_ifa.ifa_ifp != ifp) {
768 		VERIFY(ifp != NULL);
772 		return (in6_setrouter(ifp, intval));
778 		return (in6_domifattach(ifp));
783 		in6_purgeif(ifp);
785 		if ((error = proto_unplumb(PF_INET6, ifp)))
787 			    if_name(ifp), error);
809 				    htons(ifp->if_index);
811 			    htons(ifp->if_index)) {
816 				    (u_int32_t)ifp->if_index)
821 		ia = in6ifa_ifpwithaddr(ifp, &sa6->sin6_addr);
957 		if ((ifp->if_flags & IFF_POINTOPOINT) == 0) {
999 		if (ifp == NULL) {
1003 		index = ifp->if_index;
1021 		if (ifp == NULL) {
1025 		index = ifp->if_index;
1117 		error = in6_domifattach(ifp);
1125 			if ((error = in6_if_up(ifp, NULL)) != 0)
1133 		if ((error = in6_update_ifa(ifp, ifra, ia, 0, M_WAITOK)) != 0)
1149 		pr0.ndpr_ifp = ifp;
1193 		if ((ia = in6ifa_ifpwithaddr(ifp,
1248 		pf_ifaddr_hook(ifp, cmd);
1269 		pr0.ndpr_ifp = ifp;
1311 		pf_ifaddr_hook(ifp, cmd);
1317 		error = ifnet_ioctl(ifp, PF_INET6, cmd, data);
1328 in6_autoconf(struct ifnet *ifp, int enable)
1332 	if (ifp->if_flags & IFF_LOOPBACK)
1342 		ifnet_lock_exclusive(ifp);
1343 		if (ifp->if_eflags & IFEF_IPV6_ROUTER) {
1344 			ifp->if_eflags &= ~IFEF_ACCEPT_RTADV;
1347 			ifp->if_eflags |= IFEF_ACCEPT_RTADV;
1349 		ifnet_lock_done(ifp);
1353 		ifnet_lock_exclusive(ifp);
1354 		ifp->if_eflags &= ~IFEF_ACCEPT_RTADV;
1355 		ifnet_lock_done(ifp);
1361 			if (ia->ia_ifa.ifa_ifp != ifp) {
1396 in6_setrouter(struct ifnet *ifp, int enable)
1398 	if (ifp->if_flags & IFF_LOOPBACK)
1405 		ndi = ND_IFINFO(ifp);
1413 				(void) nd6_if_prproxy(ifp, FALSE);
1423 	ifnet_lock_exclusive(ifp);
1425 		ifp->if_eflags |= IFEF_IPV6_ROUTER;
1427 		ifp->if_eflags &= ~IFEF_IPV6_ROUTER;
1429 	ifnet_lock_done(ifp);
1432 	defrouter_select(ifp);
1435 	if_allmulti(ifp, enable);
1437 	return (in6_autoconf(ifp, FALSE));
1446 in6_update_ifa(struct ifnet *ifp, struct in6_aliasreq *ifra,
1462 	if (ifp == NULL || ifra == NULL) /* this maybe redundant */
1469 	if ((ifp->if_flags & IFF_POINTOPOINT) != 0 &&
1516 	if (((ifp->if_flags & (IFF_POINTOPOINT|IFF_LOOPBACK)) != 0 ) &&
1522 					      ifp)) != 0)
1525 		scopeid = in6_addr2scopeid(ifp, &dst6.sin6_addr);
1542 		if ((ifp->if_flags & (IFF_POINTOPOINT|IFF_LOOPBACK)) == 0) {
1597 		ifnet_lock_exclusive(ifp);
1605 		if ((ifp->if_flags & (IFF_POINTOPOINT | IFF_LOOPBACK)) != 0) {
1618 		ia->ia_ifp = ifp;
1620 		if_attach_ifa(ifp, &ia->ia_ifa);
1624 		ifnet_lock_done(ifp);
1714 	if ((error = in6_ifinit(ifp, ia, &ifra->ifra_addr, hostIsNew)) != 0)
1736 	if (hostIsNew && in6if_do_dad(ifp))
1761 	if ((ifp->if_flags & IFF_MULTICAST) != 0) {
1773 		if ((error = in6_setscope(&llsol, ifp, NULL)) != 0) {
1791 		imm = in6_joingroup(ifp, &llsol, &error, delay);
1796 			    ip6_sprintf(&llsol), if_name(ifp),
1824 		if ((error = in6_setscope(&mltaddr.sin6_addr, ifp, NULL)) !=
1855 		imm = in6_joingroup(ifp, &mltaddr.sin6_addr, &error, 0);
1861 			    if_name(ifp), error));
1881 		if (in6_nigroup(ifp, hostname, hostnamelen, &mltaddr.sin6_addr)
1883 			imm = in6_joingroup(ifp, &mltaddr.sin6_addr, &error,
1890 				    if_name(ifp), error));
1906 		if ((error = in6_setscope(&mltaddr.sin6_addr, ifp, NULL))
1930 		imm = in6_joingroup(ifp, &mltaddr.sin6_addr, &error, 0);
1936 			    if_name(ifp), error));
1951 	if ((error = nd6_ifattach(ifp)) != 0)
1959 	if (hostIsNew && in6if_do_dad(ifp) &&
2012 		in6_unlink_ifa(ia, ifp);
2024 	struct ifnet *ifp = ifa->ifa_ifp;
2047 			    ip6_sprintf(&ia->ia_addr.sin6_addr), if_name(ifp),
2076 	in6_unlink_ifa(ia, ifp);
2077 	in6_post_msg(ifp, KEV_INET6_ADDR_DELETED, ia);
2081 in6_unlink_ifa(struct in6_ifaddr *ia, struct ifnet *ifp)
2092 	ifnet_lock_exclusive(ifp);
2095 		if_detach_ifa(ifp, ifa);
2097 	ifnet_lock_done(ifp);
2162 in6_purgeif(struct ifnet *ifp)
2166 	if (ifp == NULL)
2174 		if (ia->ia_ifa.ifa_ifp != ifp) {
2193 	in6_ifdetach(ifp);
2221     struct ifnet *ifp, struct proc *p)
2227 	VERIFY(ifp != NULL);
2277 			ifa = (struct ifaddr *)in6ifa_ifpforlinklocal(ifp, 0);
2339 			    (caddr_t)&ifra_32, ifp, p));
2342 			    (caddr_t)&ifra, ifp, p));
2347 			    (caddr_t)&ifra, ifp, p));
2356 			    (caddr_t)&ifra_64, ifp, p));
2400 		ifnet_lock_shared(ifp);
2401 		TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
2431 		ifnet_lock_done(ifp);
2446 					in6_addr2scopeid(ifp, &s6->sin6_addr);
2448 			if ((ifp->if_flags & IFF_POINTOPOINT) != 0) {
2455 						in6_addr2scopeid(ifp,
2480 			if ((ifp->if_flags & IFF_POINTOPOINT) != 0) {
2507 				    (caddr_t)&ifra_32, ifp, p));
2510 				    (caddr_t)&ifra, ifp, p));
2515 				    (caddr_t)&ifra, ifp, p));
2529 				    (caddr_t)&ifra_64, ifp, p));
2545 in6_ifinit(ifp, ia, sin6, newhost)
2546 	struct ifnet *ifp;
2559 	ifnet_lock_shared(ifp);
2560 	TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
2570 	ifnet_lock_done(ifp);
2583 	    (error = ifnet_ioctl(ifp, PF_INET6, SIOCSIFADDR, ia))) {
2591 	ia->ia_ifa.ifa_metric = ifp->if_metric;
2632 in6_purgeaddrs(struct ifnet *ifp)
2634 	in6_purgeif(ifp);
2641 in6ifa_ifpforlinklocal(ifp, ignoreflags)
2642 	struct ifnet *ifp;
2647 	ifnet_lock_shared(ifp);
2648 	TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
2667 	ifnet_lock_done(ifp);
2676 in6ifa_ifpwithaddr(ifp, addr)
2677 	struct ifnet *ifp;
2682 	ifnet_lock_shared(ifp);
2683 	TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
2697 	ifnet_lock_done(ifp);
2941 	struct ifnet *ifp;
2954 	TAILQ_FOREACH(ifp, &ifnet_head, if_list) {
2959 		if (in6_addr2scopeid(ifp, dst) != in6_addr2scopeid(oifp, dst))
2962 		ifnet_lock_shared(ifp);
2963 		TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
3155 				if (bifp == oifp && ifp != oifp) { /* (1) */
3159 				if (bifp != oifp && ifp == oifp) /* (2) */
3163 				 * Both bifp and ifp are on the outgoing
3204 		ifnet_lock_done(ifp);
3237 	struct ifnet *ifp,
3253 	ifnet_lock_shared(ifp);
3254 	TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
3318 		ifnet_lock_done(ifp);
3324 	TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
3357 		ifnet_lock_done(ifp);
3364 	ifnet_lock_done(ifp);
3383 	struct ifnet *ifp,
3394 	error = in6_ifattach(ifp, NULL, ifra);
3400 	ifnet_lock_exclusive(ifp);
3401 	TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list)
3416 	ifnet_lock_done(ifp);
3423 	struct ifnet *ifp)
3425 	if ((ifp->if_flags & IFF_LOOPBACK) != 0)
3436 	if (ifp->if_eflags & (IFEF_IPV6_ND6ALT|IFEF_LOCALNET_PRIVATE))
3439 	switch (ifp->if_type) {
3461 		if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) !=
3477 	struct ifnet *ifp;
3480 	TAILQ_FOREACH(ifp, &ifnet_head, if_list) {
3484 		if ((ndi = ND_IFINFO(ifp)) != NULL && !ndi->initialized)
3488 		if ((ifp->if_flags & IFF_LOOPBACK) == 0 &&
3489 		    IN6_LINKMTU(ifp) > maxmtu)
3490 			maxmtu = IN6_LINKMTU(ifp);
3508 in6_if2idlen(struct ifnet *ifp)
3510 	switch (ifp->if_type) {
3560 		printf("in6_if2idlen: unknown link type (%d)\n", ifp->if_type);
3642 in6_post_msg(struct ifnet *ifp, u_int32_t event_code, struct in6_ifaddr *ifa)
3672 	if (ifp != NULL) {
3674 		    ifp->if_name, IFNAMSIZ);
3675 		in6_event_data.link_data.if_family = ifp->if_family;
3676 		in6_event_data.link_data.if_unit  = (u_int32_t) ifp->if_unit;