bsd/netinet6/ip6_output.c

293 	struct ip6_exthdrs exthdrs;
374 		bcopy(&dn_tag->dn_exthdrs, &exthdrs, sizeof(exthdrs));
425 	bzero(&exthdrs, sizeof(exthdrs));
429 		MAKE_EXTHDR(opt->ip6po_hbh, &exthdrs.ip6e_hbh);
442 			MAKE_EXTHDR(opt->ip6po_dest1, &exthdrs.ip6e_dest1);
445 		MAKE_EXTHDR(opt->ip6po_rthdr, &exthdrs.ip6e_rthdr);
447 		MAKE_EXTHDR(opt->ip6po_dest2, &exthdrs.ip6e_dest2);
504 	if (exthdrs.ip6e_hbh)
505 		optlen += exthdrs.ip6e_hbh->m_len;
506 	if (exthdrs.ip6e_dest1)
507 		optlen += exthdrs.ip6e_dest1->m_len;
508 	if (exthdrs.ip6e_rthdr)
509 		optlen += exthdrs.ip6e_rthdr->m_len;
513 	if (exthdrs.ip6e_dest2)
514 		optlen += exthdrs.ip6e_dest2->m_len;
528 		if ((error = ip6_splithdr(m, &exthdrs)) != 0) {
532 		m = exthdrs.ip6e_ip6;
546 			if ((error = ip6_splithdr(m, &exthdrs)) != 0) {
550 			m = exthdrs.ip6e_ip6;
555 		if ((error = ip6_insert_jumboopt(&exthdrs, plen)) != 0)
583 		if (exthdrs.ip6e_dest2) {
586 			exthdrs.ip6e_dest2->m_next = m->m_next;
587 			m->m_next = exthdrs.ip6e_dest2;
588 			*mtod(exthdrs.ip6e_dest2, u_char *) = ip6->ip6_nxt;
610 		MAKE_CHAIN(exthdrs.ip6e_hbh, mprev,
612 		MAKE_CHAIN(exthdrs.ip6e_dest1, mprev,
614 		MAKE_CHAIN(exthdrs.ip6e_rthdr, mprev,
678 		exthdrs.ip6e_dest2 = NULL;
684 		if (exthdrs.ip6e_rthdr) {
685 			rh = mtod(exthdrs.ip6e_rthdr, struct ip6_rthdr *);
714 		if (exthdrs.ip6e_rthdr) {
727 	if (exthdrs.ip6e_rthdr) {
729 			(struct ip6_rthdr *)(mtod(exthdrs.ip6e_rthdr,
863 		bzero(&exthdrs, sizeof(exthdrs));
864 		exthdrs.ip6e_ip6 = m;
913 		exthdrs.ip6e_ip6 = m;
1198 	if (exthdrs.ip6e_hbh) {
1199 		struct ip6_hbh *hbh = mtod(exthdrs.ip6e_hbh, struct ip6_hbh *);
1203 		if ((hbh->ip6h_len + 1) << 3 > exthdrs.ip6e_hbh->m_len)
1246 		args.fwa_exthdrs = &exthdrs;
1400 		if (exthdrs.ip6e_rthdr) {
1401 			nextproto = *mtod(exthdrs.ip6e_rthdr, u_char *);
1402 			*mtod(exthdrs.ip6e_rthdr, u_char *) = IPPROTO_FRAGMENT;
1403 		} else if (exthdrs.ip6e_dest1) {
1404 			nextproto = *mtod(exthdrs.ip6e_dest1, u_char *);
1405 			*mtod(exthdrs.ip6e_dest1, u_char *) = IPPROTO_FRAGMENT;
1406 		} else if (exthdrs.ip6e_hbh) {
1407 			nextproto = *mtod(exthdrs.ip6e_hbh, u_char *);
1408 			*mtod(exthdrs.ip6e_hbh, u_char *) = IPPROTO_FRAGMENT;
1542 	m_freem(exthdrs.ip6e_hbh);	/* m_freem will check if mbuf is 0 */
1543 	m_freem(exthdrs.ip6e_dest1);
1544 	m_freem(exthdrs.ip6e_rthdr);
1545 	m_freem(exthdrs.ip6e_dest2);
1608 ip6_insert_jumboopt(exthdrs, plen)
1609 	struct ip6_exthdrs *exthdrs;
1624 	if (exthdrs->ip6e_hbh == 0) {
1631 		exthdrs->ip6e_hbh = mopt;
1635 		mopt = exthdrs->ip6e_hbh;
1639 			 * - exthdrs->ip6e_hbh is not referenced from places
1640 			 *   other than exthdrs.
1641 			 * - exthdrs->ip6e_hbh is not an mbuf chain.
1672 			mopt = exthdrs->ip6e_hbh = n;
1695 	exthdrs->ip6e_ip6->m_pkthdr.len += JUMBOOPTLEN;
3578 ip6_splithdr(m, exthdrs)
3580 	struct ip6_exthdrs *exthdrs;
3602 	exthdrs->ip6e_ip6 = m;