xref: /netbsd-src/sys/netinet6/ip6protosw.h (revision 95d875fb90b1458e4f1de6950286ddcd6644bc61)
1 /*	$NetBSD: ip6protosw.h,v 1.4 1999/12/13 15:17:23 itojun Exp $	*/
2 
3 /*
4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the project nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  */
32 
33 /*	BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp	*/
34 
35 /*-
36  * Copyright (c) 1982, 1986, 1993
37  *	The Regents of the University of California.  All rights reserved.
38  *
39  * Redistribution and use in source and binary forms, with or without
40  * modification, are permitted provided that the following conditions
41  * are met:
42  * 1. Redistributions of source code must retain the above copyright
43  *    notice, this list of conditions and the following disclaimer.
44  * 2. Redistributions in binary form must reproduce the above copyright
45  *    notice, this list of conditions and the following disclaimer in the
46  *    documentation and/or other materials provided with the distribution.
47  * 3. All advertising materials mentioning features or use of this software
48  *    must display the following acknowledgement:
49  *	This product includes software developed by the University of
50  *	California, Berkeley and its contributors.
51  * 4. Neither the name of the University nor the names of its contributors
52  *    may be used to endorse or promote products derived from this software
53  *    without specific prior written permission.
54  *
55  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
56  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
59  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65  * SUCH DAMAGE.
66  *
67  *	@(#)protosw.h	8.1 (Berkeley) 6/2/93
68  */
69 
70 #ifndef _NETINET6_IP6PROTOSW_H_
71 #define _NETINET6_IP6PROTOSW_H_
72 
73 /*
74  * Protocol switch table for IPv6.
75  * All other definitions should refer to sys/protosw.h
76  */
77 
78 struct mbuf;
79 struct sockaddr;
80 struct socket;
81 struct domain;
82 struct proc;
83 struct ip6_hdr;
84 #ifdef __FreeBSD__
85 struct pr_usrreqs;
86 #endif
87 
88 /*
89  * argument type for the last arg of pr_ctlinput().
90  * should be consulted only with AF_INET6 family.
91  */
92 struct ip6ctlparam {
93 	struct mbuf *ip6c_m;		/* start of mbuf chain */
94 	struct ip6_hdr *ip6c_ip6;	/* ip6 header of target packet */
95 	int ip6c_off;			/* offset of the target proto header */
96 };
97 
98 struct ip6protosw {
99 #if (defined(__FreeBSD__) && __FreeBSD__ < 3) || defined(__OpenBSD__)
100 	short 	pr_type;		/* socket type used for */
101 #else
102 	int 	pr_type;		/* socket type used for */
103 #endif
104 	struct	domain *pr_domain;	/* domain protocol a member of */
105 	short	pr_protocol;		/* protocol number */
106 	short	pr_flags;		/* see below */
107 
108 /* protocol-protocol hooks */
109 	int	(*pr_input)		/* input to protocol (from below) */
110 			__P((struct mbuf **, int *, int));
111 #ifdef __bsdi__
112 	int	(*pr_output)();		/* output to protocol (from above) */
113 #else
114 	int	(*pr_output)		/* output to protocol (from above) */
115 			__P((struct mbuf *, ...));
116 #endif
117 	void	(*pr_ctlinput)		/* control input (from below) */
118 			__P((int, struct sockaddr *, void *));
119 	int	(*pr_ctloutput)		/* control output (from above) */
120 			__P((int, struct socket *, int, int, struct mbuf **));
121 
122 /* user-protocol hook */
123 #if !(defined(__FreeBSD__) && __FreeBSD__ < 3) && !defined(__bsdi__)
124 	int	(*pr_usrreq)		/* user request: see list below */
125 			__P((struct socket *, int, struct mbuf *,
126 			     struct mbuf *, struct mbuf *, struct proc *));
127 #else
128 	int	(*pr_usrreq)		/* user request: see list below */
129 			__P((struct socket *, int, struct mbuf *,
130 			     struct mbuf *, struct mbuf *));
131 #endif
132 
133 /* utility hooks */
134 	void	(*pr_init)		/* initialization hook */
135 			__P((void));
136 
137 	void	(*pr_fasttimo)		/* fast timeout (200ms) */
138 			__P((void));
139 	void	(*pr_slowtimo)		/* slow timeout (500ms) */
140 			__P((void));
141 	void	(*pr_drain)		/* flush any excess space possible */
142 			__P((void));
143 #ifdef __FreeBSD__
144 	struct  pr_usrreqs *pr_usrreqs;	/* supersedes pr_usrreq() */
145 #else
146 	int	(*pr_sysctl)		/* sysctl for protocol */
147 			__P((int *, u_int, void *, size_t *, void *, size_t));
148 #endif
149 };
150 
151 #endif /* !_NETINET6_IP6PROTOSW_H_ */
152