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/11.1/sys/sys/domain.h 285522 2015-07-14 02:00:50Z cem $
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 struct socket;
46
47 struct domain {
48 int dom_family; /* AF_xxx */
49 char *dom_name;
50 void (*dom_init) /* initialize domain data structures */
51 (void);
52 void (*dom_destroy) /* cleanup structures / state */
53 (void);
54 int (*dom_externalize) /* externalize access rights */
55 (struct mbuf *, struct mbuf **, int);
56 void (*dom_dispose) /* dispose of internalized rights */
57 (struct socket *);
58 struct protosw *dom_protosw, *dom_protoswNPROTOSW;
59 struct domain *dom_next;
60 int (*dom_rtattach) /* initialize routing table */
61 (void **, int);
62 int (*dom_rtdetach) /* clean up routing table */
63 (void **, int);
64 void *(*dom_ifattach)(struct ifnet *);
65 void (*dom_ifdetach)(struct ifnet *, void *);
66 int (*dom_ifmtu)(struct ifnet *);
67 /* af-dependent data on ifnet */
68 };
69
70 #ifdef _KERNEL
71 extern int domain_init_status;
72 extern struct domain *domains;
73 void domain_add(void *);
74 void domain_init(void *);
75 #ifdef VIMAGE
76 void vnet_domain_init(void *);
77 void vnet_domain_uninit(void *);
78 #endif
79
80 #define DOMAIN_SET(name) \
81 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \
82 SI_ORDER_FIRST, domain_add, & name ## domain); \
83 SYSINIT(domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \
84 SI_ORDER_SECOND, domain_init, & name ## domain);
85 #ifdef VIMAGE
86 #define VNET_DOMAIN_SET(name) \
87 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \
88 SI_ORDER_FIRST, domain_add, & name ## domain); \
89 VNET_SYSINIT(vnet_domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \
90 SI_ORDER_SECOND, vnet_domain_init, & name ## domain); \
91 VNET_SYSUNINIT(vnet_domain_uninit_ ## name, \
92 SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, vnet_domain_uninit, \
93 & name ## domain)
94 #else /* !VIMAGE */
95 #define VNET_DOMAIN_SET(name) DOMAIN_SET(name)
96 #endif /* VIMAGE */
97
98 #endif /* _KERNEL */
99
100 #endif /* !_SYS_DOMAIN_H_ */
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