xref: /openbsd/sys/sys/domain.h (revision 66bd633e)
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_
41 typedef	__socklen_t	socklen_t;	/* length type for network syscalls */
42 #endif
43 
44 /*
45  * Forward structure declarations for function prototypes [sic].
46  */
47 struct	mbuf;
48 struct	ifnet;
49 
50 struct 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
66 void domaininit(void);
67 
68 extern const struct domain *const domains[];
69 extern const struct domain inet6domain;
70 extern const struct domain inetdomain;
71 extern const struct domain mplsdomain;
72 extern const struct domain pfkeydomain;
73 extern const struct domain routedomain;
74 extern const struct domain unixdomain;
75 #endif /* _KERNEL */
76