sys/netinet6/icmp6.c

407 	int icmp6len = m->m_pkthdr.len - *offp;
426 	if (icmp6len < sizeof(struct icmp6_hdr)) {
460 	if ((sum = in6_cksum(m, IPPROTO_ICMPV6, off, icmp6len)) != 0) {
620 		if (mld_input(m, off, icmp6len) != 0)
633 		if (icmp6len == sizeof(struct icmp6_hdr) + 4)
635 		else if (icmp6len >= sizeof(struct icmp6_nodeinfo))
734 		if (icmp6len < sizeof(struct nd_router_solicit))
737 			IP6_EXTHDR_CHECK(m, off, icmp6len, IPPROTO_DONE);
745 		nd6_rs_input(m, off, icmp6len);
755 		if (icmp6len < sizeof(struct nd_router_advert))
765 		nd6_ra_input(m, off, icmp6len);
775 		if (icmp6len < sizeof(struct nd_neighbor_solicit))
785 		nd6_ns_input(m, off, icmp6len);
795 		if (icmp6len < sizeof(struct nd_neighbor_advert))
805 		nd6_na_input(m, off, icmp6len);
815 		if (icmp6len < sizeof(struct nd_redirect))
835 		if (icmp6len < sizeof(struct icmp6_router_renum))
854 		if (icmp6_notify_error(&m, off, icmp6len, code) != 0) {
881 icmp6_notify_error(struct mbuf **mp, int off, int icmp6len, int code)
889 	if (icmp6len < sizeof(struct icmp6_hdr) + sizeof(struct ip6_hdr)) {
2222 	int icmp6len = ntohs(ip6->ip6_plen);
2249 	IP6_EXTHDR_CHECK(m, off, icmp6len,);
2252 	IP6_EXTHDR_GET(nd_rd, struct nd_redirect *, m, off, icmp6len);
2343 	icmp6len -= sizeof(*nd_rd);
2344 	nd6_option_init(nd_rd + 1, icmp6len, &ndopts);