xref: /dragonfly/sys/netinet6/ip6protosw.h (revision 2c64e990)
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  * $FreeBSD: src/sys/netinet6/ip6protosw.h,v 1.2.2.4 2002/04/28 05:40:27 suz Exp $
30  * $DragonFly: src/sys/netinet6/ip6protosw.h,v 1.9 2008/10/27 02:56:30 sephe Exp $
31  * $KAME: ip6protosw.h,v 1.25 2001/09/26 06:13:03 keiichi Exp $
32  */
33 
34 /*	BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp	*/
35 
36 /*-
37  * Copyright (c) 1982, 1986, 1993
38  *	The Regents of the University of California.  All rights reserved.
39  *
40  * Redistribution and use in source and binary forms, with or without
41  * modification, are permitted provided that the following conditions
42  * are met:
43  * 1. Redistributions of source code must retain the above copyright
44  *    notice, this list of conditions and the following disclaimer.
45  * 2. Redistributions in binary form must reproduce the above copyright
46  *    notice, this list of conditions and the following disclaimer in the
47  *    documentation and/or other materials provided with the distribution.
48  * 3. Neither the name of the University nor the names of its contributors
49  *    may be used to endorse or promote products derived from this software
50  *    without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62  * SUCH DAMAGE.
63  *
64  *	@(#)protosw.h	8.1 (Berkeley) 6/2/93
65  */
66 
67 #ifndef _NETINET6_IP6PROTOSW_H_
68 #define _NETINET6_IP6PROTOSW_H_
69 
70 #ifndef _SYS_TYPES_H_
71 #include <sys/types.h>
72 #endif
73 
74 /*
75  * Protocol switch table for IPv6.
76  * All other definitions should refer to sys/protosw.h
77  */
78 
79 struct mbuf;
80 struct sockaddr;
81 struct socket;
82 struct sockopt;
83 struct domain;
84 struct proc;
85 struct ip6_hdr;
86 struct icmp6_hdr;
87 struct in6_addr;
88 struct pr_usrreqs;
89 
90 /*
91  * argument type for the last arg of pr_ctlinput().
92  * should be consulted only with AF_INET6 family.
93  *
94  * IPv6 ICMP IPv6 [exthdrs] finalhdr payload
95  * ^    ^    ^              ^
96  * |    |    ip6c_ip6       ip6c_off
97  * |    ip6c_icmp6
98  * ip6c_m
99  *
100  * ip6c_finaldst usually points to ip6c_ip6->ip6_dst.  if the original
101  * (internal) packet carries a routing header, it may point the final
102  * dstination address in the routing header.
103  *
104  * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6
105  *	(beware of flowlabel, if you try to compare it against others)
106  * ip6c_dst: ip6c_finaldst + scope info
107  */
108 struct ip6ctlparam {
109 	struct mbuf *ip6c_m;		/* start of mbuf chain */
110 	struct icmp6_hdr *ip6c_icmp6;	/* icmp6 header of target packet */
111 	struct ip6_hdr *ip6c_ip6;	/* ip6 header of target packet */
112 	int ip6c_off;			/* offset of the target proto header */
113 	struct sockaddr_in6 *ip6c_src;	/* srcaddr w/ additional info */
114 	struct sockaddr_in6 *ip6c_dst;	/* (final) dstaddr w/ additional info */
115 	struct in6_addr *ip6c_finaldst;	/* final destination address */
116 	void *ip6c_cmdarg;		/* control command dependent data */
117 	u_int8_t ip6c_nxt;		/* final next header field */
118 };
119 
120 #endif /* !_NETINET6_IP6PROTOSW_H_ */
121