1/* $OpenBSD: domain.h,v 1.25 2024/10/26 05:39:03 jsg 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;
48
49struct domain {
50 int dom_family; /* AF_xxx */
51 const char *dom_name;
52 void (*dom_init)(void); /* initialize domain data structures */
53 /* externalize access rights */
54 int (*dom_externalize)(struct mbuf *, socklen_t, int);
55 /* dispose of internalized rights */
56 void (*dom_dispose)(struct mbuf *);
57 const struct protosw *dom_protosw, *dom_protoswNPROTOSW;
58 /* initialize routing table */
59 unsigned int dom_sasize; /* size of sockaddr structure */
60 unsigned int dom_rtoffset; /* offset of the key, in bytes */
61 unsigned int dom_maxplen; /* maximum prefix length, in bits */
62};
63
64#ifdef _KERNEL
65void domaininit(void);
66
67extern const struct domain *const domains[];
68extern const struct domain inet6domain;
69extern const struct domain inetdomain;
70extern const struct domain mplsdomain;
71extern const struct domain pfkeydomain;
72extern const struct domain routedomain;
73extern const struct domain unixdomain;
74#endif /* _KERNEL */