2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * @(#)domain.h 8.1 (Berkeley) 6/2/93
35 #ifndef _SYS_DOMAIN_H_
36 #define _SYS_DOMAIN_H_
39 * Structure per communications domain.
43 * Forward structure declarations for function prototypes [sic].
51 int dom_family; /* AF_xxx */
54 void (*dom_init) /* initialize domain data structures */
56 int (*dom_probe)(void); /* check for support (optional) */
57 void (*dom_destroy) /* cleanup structures / state */
59 int (*dom_externalize) /* externalize access rights */
60 (struct mbuf *, struct mbuf **, int);
61 void (*dom_dispose) /* dispose of internalized rights */
63 struct protosw *dom_protosw, *dom_protoswNPROTOSW;
64 struct domain *dom_next;
65 struct rib_head *(*dom_rtattach) /* initialize routing table */
67 void (*dom_rtdetach) /* clean up routing table */
69 void *(*dom_ifattach)(struct ifnet *);
70 void (*dom_ifdetach)(struct ifnet *, void *);
71 int (*dom_ifmtu)(struct ifnet *);
72 /* af-dependent data on ifnet */
76 #define DOMF_SUPPORTED 0x0001 /* System supports this domain. */
77 #define DOMF_INITED 0x0002 /* Initialized in the default vnet. */
80 extern int domain_init_status;
81 extern struct domain *domains;
82 void domain_add(void *);
83 void domain_init(void *);
85 void vnet_domain_init(void *);
86 void vnet_domain_uninit(void *);
89 #define DOMAIN_SET(name) \
90 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \
91 SI_ORDER_FIRST, domain_add, & name ## domain); \
92 SYSINIT(domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \
93 SI_ORDER_SECOND, domain_init, & name ## domain);
95 #define VNET_DOMAIN_SET(name) \
96 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \
97 SI_ORDER_FIRST, domain_add, & name ## domain); \
98 VNET_SYSINIT(vnet_domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \
99 SI_ORDER_SECOND, vnet_domain_init, & name ## domain); \
100 VNET_SYSUNINIT(vnet_domain_uninit_ ## name, \
101 SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, vnet_domain_uninit, \
104 #define VNET_DOMAIN_SET(name) DOMAIN_SET(name)
109 #endif /* !_SYS_DOMAIN_H_ */