1/*	$OpenBSD: domain.h,v 1.24 2024/01/11 14:15:12 bluhm Exp $	*/
2/*	$NetBSD: domain.h,v 1.10 1996/02/09 18:25:07 christos Exp $	*/
3
4/*
5 * Copyright (c) 1982, 1986, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)domain.h	8.1 (Berkeley) 6/2/93
33 */
34
35/*
36 * Structure per communications domain.
37 */
38
39#ifndef	_SOCKLEN_T_DEFINED_
40#define	_SOCKLEN_T_DEFINED_
41typedef	__socklen_t	socklen_t;	/* length type for network syscalls */
42#endif
43
44/*
45 * Forward structure declarations for function prototypes [sic].
46 */
47struct	mbuf;
48struct	ifnet;
49
50struct domain {
51	int	dom_family;		/* AF_xxx */
52	const	char *dom_name;
53	void	(*dom_init)(void);	/* initialize domain data structures */
54					/* externalize access rights */
55	int	(*dom_externalize)(struct mbuf *, socklen_t, int);
56					/* dispose of internalized rights */
57	void	(*dom_dispose)(struct mbuf *);
58	const struct	protosw *dom_protosw, *dom_protoswNPROTOSW;
59					/* initialize routing table */
60	unsigned int	dom_sasize;	/* size of sockaddr structure */
61	unsigned int	dom_rtoffset;	/* offset of the key, in bytes */
62	unsigned int	dom_maxplen;	/* maximum prefix length, in bits */
63};
64
65#ifdef _KERNEL
66void domaininit(void);
67
68extern const struct domain *const domains[];
69extern const struct domain inet6domain;
70extern const struct domain inetdomain;
71extern const struct domain mplsdomain;
72extern const struct domain pfkeydomain;
73extern const struct domain routedomain;
74extern const struct domain unixdomain;
75#endif /* _KERNEL */
76