bsd/netinet6/ip6_input.c

131 #include <netinet/ip6.h>
313 	PE_parse_boot_argn("net.inet6.ip6.scopedroute", &ip6_doscopedroute,
335 	ip6_mutex_grp = lck_grp_alloc_init("ip6", ip6_mutex_grp_attr);
474 	struct ip6_hdr *ip6;
515 		ip6 = mtod(m, struct ip6_hdr *); /* In case PF got disabled */
527 		ip6 = mtod(m, struct ip6_hdr *);
528 		nxt = ip6->ip6_nxt;
629 	ip6 = mtod(m, struct ip6_hdr *);
631 	if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) {
637 	ip6stat.ip6s_nxthist[ip6->ip6_nxt]++;
647 		if ((*ip6_fw_chk_ptr)(&ip6, NULL, &port, &m)) {
659 	if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_src) ||
660 	    IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_dst)) {
668 	if (IN6_IS_ADDR_MC_INTFACELOCAL(&ip6->ip6_dst) &&
693 	if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) ||
694 	    IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) {
707 	if (IN6_IS_ADDR_V4COMPAT(&ip6->ip6_src) ||
708 	    IN6_IS_ADDR_V4COMPAT(&ip6->ip6_dst)) {
729 		    &ip6->ip6_src);
756 		ip6 = mtod(m, struct ip6_hdr *);
762 		if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_src) &&
763 		    ip6->ip6_src.s6_addr16[1]) {
767 		if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_dst) &&
768 		    ip6->ip6_dst.s6_addr16[1]) {
774 	if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_src))
775 		ip6->ip6_src.s6_addr16[1]
777 	if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_dst))
778 		ip6->ip6_dst.s6_addr16[1]
784 	if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) {
794 		IN6_LOOKUP_MULTI(&ip6->ip6_dst, ifp, in6m);
819 	dst6->sin6_addr = ip6->ip6_dst;
860 	    IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst,
893 		    ip6_sprintf(&ip6->ip6_src),
894 		    ip6_sprintf(&ip6->ip6_dst)));
919 		ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst);
943 	plen = (u_int32_t)ntohs(ip6->ip6_plen);
944 	if (ip6->ip6_nxt == IPPROTO_HOPOPTS) {
955 		ip6 = mtod(m, struct ip6_hdr *);
962 		if (ip6->ip6_plen == 0 && plen == 0) {
973 				    (caddr_t)&ip6->ip6_plen - (caddr_t)ip6);
978 		hbh = (struct ip6_hbh *)(ip6 + 1);
1010 		nxt = ip6->ip6_nxt;
1034 	if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) {
1044 		if (ip6_mrouter && ip6_mforward(ip6, m->m_pkthdr.rcvif, m)) {
1057 			ours = nd6_prproxy_isours(m, ip6, NULL, IFSCOPE_NONE);
1084 	ip6 = mtod(m, struct ip6_hdr *);
1095 	if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) ||
1096 	    IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) {
1183 			struct ip6_hdr *, ip6, struct ifnet *, m->m_pkthdr.rcvif,
1184 			struct ip *, NULL, struct ip6_hdr *, ip6);
1309 	struct ip6_hdr *ip6;
1364 			ip6 = mtod(m, struct ip6_hdr *);
1365 			if (ip6->ip6_plen) {
1442 	struct ip6_hdr *ip6;
1456 		ip6 = mtod(m, struct ip6_hdr *);
1457 		if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) ||
1489 	struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
1519 	if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) {
1530 		bcopy(&ip6->ip6_dst, &pi6.ipi6_addr, sizeof(struct in6_addr));
1543 		int hlim = ip6->ip6_hlim & 0xff;
1561 	struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
1577 		flowinfo = (u_int32_t)ntohl(ip6->ip6_flow & IPV6_FLOWINFO_MASK);
1602 		ip6 = mtod(m, struct ip6_hdr *);
1603 		if (ip6->ip6_nxt == IPPROTO_HOPOPTS) {
1611 			hbh = (struct ip6_hbh *)(ip6 + 1);
1615 			    ip6->ip6_nxt);
1650 		int nxt = ip6->ip6_nxt, off = sizeof(struct ip6_hdr);
1886 	struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
1889 		return((char *) &ip6->ip6_nxt);
1894 		nxt = ip6->ip6_nxt;
1929 	struct ip6_hdr ip6;
1941 		if (m->m_pkthdr.len < off + sizeof(ip6))
1943 		m_copydata(m, off, sizeof(ip6), (caddr_t)&ip6);
1945 			*nxtp = ip6.ip6_nxt;
1946 		off += sizeof(ip6);