FreeBSD/Linux Kernel Cross Reference
sys/sys/domain.h
1 /*-
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. 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 * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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 * @(#)domain.h 8.1 (Berkeley) 6/2/93
30 * $FreeBSD: releng/6.3/sys/sys/domain.h 173886 2007-11-24 19:45:58Z cvs2svn $
31 */
32
33 #ifndef _SYS_DOMAIN_H_
34 #define _SYS_DOMAIN_H_
35
36 /*
37 * Structure per communications domain.
38 */
39
40 /*
41 * Forward structure declarations for function prototypes [sic].
42 */
43 struct mbuf;
44 struct ifnet;
45
46 struct domain {
47 int dom_family; /* AF_xxx */
48 char *dom_name;
49 void (*dom_init) /* initialize domain data structures */
50 (void);
51 int (*dom_externalize) /* externalize access rights */
52 (struct mbuf *, struct mbuf **);
53 void (*dom_dispose) /* dispose of internalized rights */
54 (struct mbuf *);
55 struct protosw *dom_protosw, *dom_protoswNPROTOSW;
56 struct domain *dom_next;
57 int (*dom_rtattach) /* initialize routing table */
58 (void **, int);
59 int dom_rtoffset; /* an arg to rtattach, in bits */
60 int dom_maxrtkey; /* for routing layer */
61 void *(*dom_ifattach)(struct ifnet *);
62 void (*dom_ifdetach)(struct ifnet *, void *);
63 /* af-dependent data on ifnet */
64 };
65
66 #ifdef _KERNEL
67 extern int domain_init_status;
68 extern struct domain *domains;
69 extern void net_add_domain(void *);
70
71 #define DOMAIN_SET(name) \
72 SYSINIT(domain_ ## name, SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, net_add_domain, & name ## domain)
73
74 #endif
75
76 #endif
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