1/*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	$KAME: ip6protosw.h,v 1.25 2001/09/26 06:13:03 keiichi Exp $
30 */
31
32/*-
33 * Copyright (c) 1982, 1986, 1993
34 *	The Regents of the University of California.  All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 *    notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 *    notice, this list of conditions and the following disclaimer in the
43 *    documentation and/or other materials provided with the distribution.
44 * 4. Neither the name of the University nor the names of its contributors
45 *    may be used to endorse or promote products derived from this software
46 *    without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 *	@(#)protosw.h	8.1 (Berkeley) 6/2/93
61 *	BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp
62 * $FreeBSD$
63 */
64
65#ifndef _NETINET6_IP6PROTOSW_H_
66#define _NETINET6_IP6PROTOSW_H_
67
68/*
69 * Protocol switch table for IPv6.
70 * All other definitions should refer to sys/protosw.h
71 */
72
73struct mbuf;
74struct sockaddr;
75struct socket;
76struct domain;
77struct thread;
78struct ip6_hdr;
79struct icmp6_hdr;
80struct in6_addr;
81struct pr_usrreqs;
82
83/*
84 * argument type for the last arg of pr_ctlinput().
85 * should be consulted only with AF_INET6 family.
86 *
87 * IPv6 ICMP IPv6 [exthdrs] finalhdr payload
88 * ^    ^    ^              ^
89 * |    |    ip6c_ip6       ip6c_off
90 * |    ip6c_icmp6
91 * ip6c_m
92 *
93 * ip6c_finaldst usually points to ip6c_ip6->ip6_dst.  if the original
94 * (internal) packet carries a routing header, it may point the final
95 * destination address in the routing header.
96 *
97 * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6
98 *	(beware of flowlabel, if you try to compare it against others)
99 * ip6c_dst: ip6c_finaldst + scope info
100 */
101struct ip6ctlparam {
102	struct mbuf *ip6c_m;		/* start of mbuf chain */
103	struct icmp6_hdr *ip6c_icmp6;	/* icmp6 header of target packet */
104	struct ip6_hdr *ip6c_ip6;	/* ip6 header of target packet */
105	int ip6c_off;			/* offset of the target proto header */
106	struct sockaddr_in6 *ip6c_src;	/* srcaddr w/ additional info */
107	struct sockaddr_in6 *ip6c_dst;	/* (final) dstaddr w/ additional info */
108	struct in6_addr *ip6c_finaldst;	/* final destination address */
109	void *ip6c_cmdarg;		/* control command dependent data */
110	u_int8_t ip6c_nxt;		/* final next header field */
111};
112
113#ifdef _KERNEL
114extern struct protosw inet6sw[];
115#endif
116
117#endif /* !_NETINET6_IP6PROTOSW_H_ */
118