sys/netinet6/icmp6.c

120 __CTASSERT(sizeof(struct icmp6_hdr) == 8);
355 	struct icmp6_hdr *icmp6;
408 		struct icmp6_hdr *icp;
410 		IP6_EXTHDR_GET(icp, struct icmp6_hdr *, m, off,
447 	preplen = sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr);
463 	icmp6 = (struct icmp6_hdr *)(nip6 + 1);
499 	struct icmp6_hdr *icmp6, *nicmp6;
519 	if (icmp6len < sizeof(struct icmp6_hdr)) {
535 	IP6_EXTHDR_GET(icmp6, struct icmp6_hdr *, m, off, sizeof(*icmp6));
547 		m = m_copyup(m, off + sizeof(struct icmp6_hdr), 0);
554 		icmp6 = (struct icmp6_hdr *)(mtod(m, char *) + off);
676 		} else if (M_UNWRITABLE(n, off + sizeof(struct icmp6_hdr))) {
690 		IP6_EXTHDR_GET(nicmp6, struct icmp6_hdr *, n, off,
751 		if (icmp6len == sizeof(struct icmp6_hdr) + 4)
797 			nicmp6 = (struct icmp6_hdr *)(nip6 + 1);
798 			memcpy(nicmp6, icmp6, sizeof(struct icmp6_hdr));
806 				sizeof(struct icmp6_hdr) + 4 + maxhlen;
961 	struct icmp6_hdr *icmp6;
966 	if (icmp6len < sizeof(struct icmp6_hdr) + sizeof(struct ip6_hdr)) {
970 	IP6_EXTHDR_GET(icmp6, struct icmp6_hdr *, m, off,
982 		int eoff = off + sizeof(struct icmp6_hdr) +
1056 		IP6_EXTHDR_GET(icmp6, struct icmp6_hdr *, m, off,
1125 	struct icmp6_hdr *icmp6 = ip6cp->ip6c_icmp6;
1948 	struct icmp6_hdr *icmp6;
1951 	IP6_EXTHDR_GET(icmp6, struct icmp6_hdr *, m, off, sizeof(*icmp6));
2058 	struct icmp6_hdr *icmp6;
2083 	CTASSERT(sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr) <= MHLEN);
2091 		l = sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr);
2098 		size_t l = sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr);
2108 	icmp6 = (struct icmp6_hdr *)(ip6 + 1);