bsd/netinet6/nd6_nbr.c

88 #include <netinet/ip6.h>
256 	struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
258 	struct in6_addr saddr6 = ip6->ip6_src;
259 	struct in6_addr daddr6 = ip6->ip6_dst;
281 	nd_ns = (struct nd_neighbor_solicit *)((caddr_t)ip6 + off);
289 	ip6 = mtod(m, struct ip6_hdr *); /* adjust pointer for safety */
294 	if (ip6->ip6_hlim != IPV6_MAXHLIM) {
297 		    ip6->ip6_hlim, ip6_sprintf(&ip6->ip6_src),
298 		    ip6_sprintf(&ip6->ip6_dst), if_name(ifp)));
312 				"(wrong ip6 dst)\n"));
354 	if (IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_src) && lladdr) {
557 	struct ip6_hdr *ip6;
581 	maxlen = sizeof(*ip6) + sizeof(*nd_ns);
618 	m->m_pkthdr.len = m->m_len = sizeof(*ip6) + icmp6len;
622 	ip6 = mtod(m, struct ip6_hdr *);
623 	ip6->ip6_flow = 0;
624 	ip6->ip6_vfc &= ~IPV6_VERSION_MASK;
625 	ip6->ip6_vfc |= IPV6_VERSION;
626 	/* ip6->ip6_plen will be set later */
627 	ip6->ip6_nxt = IPPROTO_ICMPV6;
628 	ip6->ip6_hlim = IPV6_MAXHLIM;
630 		ip6->ip6_dst = *daddr6;
632 		ip6->ip6_dst.s6_addr16[0] = IPV6_ADDR_INT16_MLL;
633 		ip6->ip6_dst.s6_addr16[1] = 0;
634 		ip6->ip6_dst.s6_addr32[1] = 0;
635 		ip6->ip6_dst.s6_addr32[2] = IPV6_ADDR_INT32_ONE;
636 		ip6->ip6_dst.s6_addr32[3] = taddr6->s6_addr32[3];
637 		ip6->ip6_dst.s6_addr8[12] = 0xff;
638 		if (in6_setscope(&ip6->ip6_dst, ifp, NULL) != 0)
657 		struct ip6_hdr *hip6;		/* hold ip6 */
698 			dst_sa.sin6_addr = ip6->ip6_dst;
733 	ip6->ip6_src = *src;
734 	nd_ns = (struct nd_neighbor_solicit *)(ip6 + 1);
768 	ip6->ip6_plen = htons((u_short)icmp6len);
771 		= in6_cksum(m, IPPROTO_ICMPV6, sizeof(*ip6), icmp6len);
844 	struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
846 	struct in6_addr saddr6 = ip6->ip6_src;
847 	struct in6_addr daddr6 = ip6->ip6_dst;
870 	if (ip6->ip6_hlim != IPV6_MAXHLIM) {
873 		    ip6->ip6_hlim, ip6_sprintf(&ip6->ip6_src),
874 		    ip6_sprintf(&ip6->ip6_dst), if_name(ifp)));
880 	nd_na = (struct nd_neighbor_advert *)((caddr_t)ip6 + off);
1193 					rt6_flush(&ip6->ip6_src, rt_ifp);
1271 	struct ip6_hdr *ip6;
1292 	maxlen = sizeof(*ip6) + sizeof(*nd_na);
1333 	ip6 = mtod(m, struct ip6_hdr *);
1334 	ip6->ip6_flow = 0;
1335 	ip6->ip6_vfc &= ~IPV6_VERSION_MASK;
1336 	ip6->ip6_vfc |= IPV6_VERSION;
1337 	ip6->ip6_nxt = IPPROTO_ICMPV6;
1338 	ip6->ip6_hlim = IPV6_MAXHLIM;
1351 		ip6->ip6_dst = daddr6;
1370 	ip6->ip6_src = *src;
1383 	nd_na = (struct nd_neighbor_advert *)(ip6 + 1);
1427 	ip6->ip6_plen = htons((u_short)icmp6len);