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Lines Matching refs:ip6

90 #include <netinet/ip6.h>
141 ip6_handle_rthdr(struct ip6_rthdr *rh, struct ip6_hdr *ip6)
188  * IP6 output. The packet in mbuf chain m contains a skeletal IP6
209 	struct ip6_hdr *ip6, *mhip6;
319 	 * separate IP6 header from the payload.
332 	ip6 = mtod(m, struct ip6_hdr *);
336 	plen = m->m_pkthdr.len - sizeof(*ip6);
350 		ip6 = mtod(m, struct ip6_hdr *);
356 		ip6->ip6_plen = 0;
358 		ip6->ip6_plen = htons(plen);
371 		u_char *nexthdrp = &ip6->ip6_nxt;
387 			*mtod(exthdrs.ip6e_dest2, u_char *) = ip6->ip6_nxt;
388 			ip6->ip6_nxt = IPPROTO_DSTOPTS;
420 	finaldst = ip6->ip6_dst;
431 		error = ip6_handle_rthdr(rh, ip6);
439 	if (IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_src) &&
445 	if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_src)) {
473 		if ((ip6->ip6_flow & htonl(0xfc << 20)) == 0)
475 		if ((ip6->ip6_flow & htonl(0x03 << 20)) == 0)
478 			ip6->ip6_flow |= htonl((opt->ip6po_tclass & mask) << 20);
483 		ip6->ip6_hlim = opt->ip6po_hlim & 0xff;
484 	else if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) {
486 			ip6->ip6_hlim = im6o->im6o_multicast_hlim;
488 			ip6->ip6_hlim = ip6_defmcasthlim;
509 	ip6 = mtod(m, struct ip6_hdr *);
511 	sockaddr_in6_init(&dst_sa, &ip6->ip6_dst, 0, 0, 0);
514 	if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) {
577 	src0 = ip6->ip6_src;
580 	sockaddr_in6_init(&src_sa, &ip6->ip6_src, 0, 0, 0);
584 	dst0 = ip6->ip6_dst;
588 	sockaddr_in6_init(&dst_sa, &ip6->ip6_dst, 0, 0, 0);
618 	    !IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst))
626 	if (!IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst))
645 		ingroup = in6_multi_group(&ip6->ip6_dst, ifp);
668 				if (ip6_mforward(ip6, ifp, m) != 0) {
682 		if (ip6->ip6_hlim == 0 || (ifp->if_flags & IFF_LOOPBACK) ||
683 		    IN6_IS_ADDR_MC_INTFACELOCAL(&ip6->ip6_dst)) {
735 		else if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) &&
746 	in6_clearscope(&ip6->ip6_src);
747 	in6_clearscope(&ip6->ip6_dst);
756 	if (ip6->ip6_nxt == IPPROTO_HOPOPTS) {
767 		ip6 = mtod(m, struct ip6_hdr *);
778 	ip6 = mtod(m, struct ip6_hdr *);
844 		ip6 = mtod(m, struct ip6_hdr *);
846 		ia6 = in6_ifawithifp(ifp, &ip6->ip6_src);
889 	} else if (ip6->ip6_plen == 0) {
932 			nextproto = ip6->ip6_nxt;
933 			ip6->ip6_nxt = IPPROTO_FRAGMENT;
967 			*mhip6 = *ip6;
1017 			ip6 = mtod(m, struct ip6_hdr *);
1019 			ia6 = in6_ifawithifp(ifp, &ip6->ip6_src);
1297  * IP6 socket option processing.
2033  * Set up IP6 options in pcb for insertion in output packets or
2430  * Set the IP6 multicast options in response to user setsockopt().
2493 		 * Set the IP6 hoplimit for outgoing multicast packets.
2530 		 * Group must be a valid IP6 multicast address.
2589 		 * Group must be a valid IP6 multicast address.
2693  * Return the IP6 multicast options in response to user getsockopt().
2738  * Discard the IP6 multicast options.
3230  * Routine called from ip6_output() to loop back a copy of an IP6 multicast
3240 	struct ip6_hdr *ip6;
3259 	if (copym->m_len < sizeof(*ip6)) {
3265 	ip6 = mtod(copym, struct ip6_hdr *);
3270 	in6_clearscope(&ip6->ip6_src);
3271 	in6_clearscope(&ip6->ip6_dst);
3283 	struct ip6_hdr *ip6;
3285 	ip6 = mtod(m, struct ip6_hdr *);
3286 	if (m->m_len > sizeof(*ip6)) {
3293 		m_align(mh, sizeof(*ip6));
3294 		m->m_len -= sizeof(*ip6);
3295 		m->m_data += sizeof(*ip6);
3297 		mh->m_len = sizeof(*ip6);
3298 		memcpy(mtod(mh, void *), (void *)ip6, sizeof(*ip6));