bsd/netinet6/ip6_output.c

104 #include <sys/mbuf.h>
169 static int ip6_pcbopts(struct ip6_pktopts **, struct mbuf *,
175 static int ip6_copyexthdr(struct mbuf **, caddr_t, int);
176 static int ip6_insertfraghdr(struct mbuf *, struct mbuf *, int,
179 static int ip6_splithdr(struct mbuf *, struct ip6_exthdrs *);
223  * XXX we don't handle mbuf chains yet in nd6_output() so ip6_output_list() only
224  * walks through the packet chain and sends each mbuf separately.
228 	struct mbuf *m0,
238 	struct mbuf *m = m0, *nextpkt;
261  * IP6 output. The packet in mbuf chain m contains a skeletal IP6
264  * The mbuf chain containing the packet will be freed.
265  * The mbuf opt, if present, will not be freed.
273 	struct mbuf *m0,
283 	struct mbuf *m = m0;
539 	/* adjust mbuf packet header length */
573 		struct mbuf *mprev = m;
578 		 * mbuf prior to dest2.
695 			/* mbuf is already reclaimed in ipsec6_output_trans. */
715 			/* ah6_output doesn't modify mbuf chain */
871 		DTRACE_IP6(send, struct mbuf *, m, struct inpcb *, NULL,
883 			/* mbuf is already reclaimed in ipsec6_output_tunnel. */
1373 		struct mbuf **mnext, *m_frgpart;
1542 	m_freem(exthdrs.ip6e_hbh);	/* m_freem will check if mbuf is 0 */
1554 	struct mbuf **mp;
1558 	struct mbuf *m;
1586 in6_delayed_cksum(struct mbuf *m, uint16_t offset)
1612 	struct mbuf *mopt;
1641 			 * - exthdrs->ip6e_hbh is not an mbuf chain.
1644 			struct mbuf *n;
1648 			 * not fit even in an mbuf cluster.
1706 	struct mbuf *m0, *m;
1710 	struct mbuf *n, *mlast;
1721 	/* Search for the last mbuf of unfragmentable part. */
1727 		/* use the trailing space of the last mbuf for the fragment hdr */
1733 		/* allocate a new mbuf for the fragment header */
1734 		struct mbuf *mfrg;
1872 				struct mbuf *m;
2132 				struct mbuf *m;
2203 				struct mbuf *m;
2460 				struct mbuf *m = NULL;
2461 				struct mbuf **mp = &m;
2606 	struct mbuf *m,
3050 ip6_setpktopts(struct mbuf *control, struct ip6_pktopts *opt,
3077 	 * in a single mbuf.
3514 	struct mbuf *m,
3517 	struct mbuf *copym;
3526 	 * is in an mbuf cluster, so that we can safely override the IPv6
3579 	struct mbuf *m;
3582 	struct mbuf *mh;