270 	struct icmp6_hdr *icmp6;  in icmp6_error()
330 		struct icmp6_hdr *icp;  in icmp6_error()
332 		if (m->m_len < off + sizeof(struct icmp6_hdr)) {  in icmp6_error()
333 			m = m_pullup(m, off + sizeof(struct icmp6_hdr));  in icmp6_error()
340 		icp = (struct icmp6_hdr *)(mtod(m, caddr_t) + off);  in icmp6_error()
369 	preplen = sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr);  in icmp6_error()
383 	icmp6 = (struct icmp6_hdr *)(nip6 + 1);  in icmp6_error()
403 icmp6_errmap(const struct icmp6_hdr *icmp6)  in icmp6_errmap()
455 	struct icmp6_hdr *icmp6, *nicmp6;  in icmp6_input()
464 	if (m->m_len < off + sizeof(struct icmp6_hdr)) {  in icmp6_input()
465 		m = m_pullup(m, off + sizeof(struct icmp6_hdr));  in icmp6_input()
479 	if (icmp6len < sizeof(struct icmp6_hdr)) {  in icmp6_input()
502 	icmp6 = (struct icmp6_hdr *)((caddr_t)ip6 + off);  in icmp6_input()
571 		 || n->m_len < off + sizeof(struct icmp6_hdr)) {  in icmp6_input()
590 			nicmp6 = (struct icmp6_hdr *)(nip6 + 1);  in icmp6_input()
591 			bcopy(icmp6, nicmp6, sizeof(struct icmp6_hdr));  in icmp6_input()
594 			n->m_len = noff + sizeof(struct icmp6_hdr);  in icmp6_input()
599 			m_adj(n0, off + sizeof(struct icmp6_hdr));  in icmp6_input()
611 			nicmp6 = (struct icmp6_hdr *)(mtod(n, caddr_t) + off);  in icmp6_input()
659 		if (icmp6len == sizeof(struct icmp6_hdr) + 4)  in icmp6_input()
728 			nicmp6 = (struct icmp6_hdr *)(nip6 + 1);  in icmp6_input()
729 			bcopy(icmp6, nicmp6, sizeof(struct icmp6_hdr));  in icmp6_input()
744 				sizeof(struct icmp6_hdr) + 4 + maxhlen;  in icmp6_input()
923 	struct icmp6_hdr *icmp6;  in icmp6_notify_error()
930 	if (icmp6len < sizeof(struct icmp6_hdr) + sizeof(struct ip6_hdr)) {  in icmp6_notify_error()
943 	icmp6 = (struct icmp6_hdr *)(mtod(m, caddr_t) + off);  in icmp6_notify_error()
950 		int eoff = off + sizeof(struct icmp6_hdr) +  in icmp6_notify_error()
1072 		icmp6 = (struct icmp6_hdr *)(mtod(m, caddr_t) + off);  in icmp6_notify_error()
1137 	struct icmp6_hdr *icmp6 = ip6cp->ip6c_icmp6;  in icmp6_mtudisc_update()
1938 	struct icmp6_hdr *icmp6;  in icmp6_rip6_input()
1943 	icmp6 = (struct icmp6_hdr *)((caddr_t)ip6 + off);  in icmp6_rip6_input()
2037 	struct icmp6_hdr *icmp6;  in icmp6_reflect()
2057 	if (sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr) > MHLEN)  in icmp6_reflect()
2067 		l = sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr);  in icmp6_reflect()
2075 		l = sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr);  in icmp6_reflect()
2084 	icmp6 = (struct icmp6_hdr *)(ip6 + 1);  in icmp6_reflect()
2452 	if (maxlen < sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr) +  in icmp6_redirect_output()