1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1982, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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. 18 * 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 29 * SUCH DAMAGE. 30 * 31 * @(#)domain.h 8.1 (Berkeley) 6/2/93 32 * $FreeBSD$ 33 */ 34 35 #ifndef _SYS_DOMAIN_H_ 36 #define _SYS_DOMAIN_H_ 37 38 /* 39 * Structure per communications domain. 40 */ 41 42 /* 43 * Forward structure declarations for function prototypes [sic]. 44 */ 45 struct mbuf; 46 struct ifnet; 47 struct socket; 48 49 struct domain { 50 int dom_family; /* AF_xxx */ 51 char *dom_name; 52 void (*dom_init) /* initialize domain data structures */ 53 (void); 54 void (*dom_destroy) /* cleanup structures / state */ 55 (void); 56 int (*dom_externalize) /* externalize access rights */ 57 (struct mbuf *, struct mbuf **, int); 58 void (*dom_dispose) /* dispose of internalized rights */ 59 (struct socket *); 60 struct protosw *dom_protosw, *dom_protoswNPROTOSW; 61 struct domain *dom_next; 62 int (*dom_rtattach) /* initialize routing table */ 63 (void **, int); 64 int (*dom_rtdetach) /* clean up routing table */ 65 (void **, int); 66 void *(*dom_ifattach)(struct ifnet *); 67 void (*dom_ifdetach)(struct ifnet *, void *); 68 int (*dom_ifmtu)(struct ifnet *); 69 /* af-dependent data on ifnet */ 70 }; 71 72 #ifdef _KERNEL 73 extern int domain_init_status; 74 extern struct domain *domains; 75 void domain_add(void *); 76 void domain_init(void *); 77 #ifdef VIMAGE 78 void vnet_domain_init(void *); 79 void vnet_domain_uninit(void *); 80 #endif 81 82 #define DOMAIN_SET(name) \ 83 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \ 84 SI_ORDER_FIRST, domain_add, & name ## domain); \ 85 SYSINIT(domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \ 86 SI_ORDER_SECOND, domain_init, & name ## domain); 87 #ifdef VIMAGE 88 #define VNET_DOMAIN_SET(name) \ 89 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \ 90 SI_ORDER_FIRST, domain_add, & name ## domain); \ 91 VNET_SYSINIT(vnet_domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \ 92 SI_ORDER_SECOND, vnet_domain_init, & name ## domain); \ 93 VNET_SYSUNINIT(vnet_domain_uninit_ ## name, \ 94 SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, vnet_domain_uninit, \ 95 & name ## domain) 96 #else /* !VIMAGE */ 97 #define VNET_DOMAIN_SET(name) DOMAIN_SET(name) 98 #endif /* VIMAGE */ 99 100 #endif /* _KERNEL */ 101 102 #endif /* !_SYS_DOMAIN_H_ */ 103