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 */ 33 34 #ifndef _SYS_DOMAIN_H_ 35 #define _SYS_DOMAIN_H_ 36 37 /* 38 * Structure per communications domain. 39 */ 40 41 /* 42 * Forward structure declarations for function prototypes [sic]. 43 */ 44 struct mbuf; 45 struct ifnet; 46 struct socket; 47 struct rib_head; 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 struct rib_head *(*dom_rtattach) /* initialize routing table */ 63 (uint32_t); 64 void (*dom_rtdetach) /* clean up routing table */ 65 (struct rib_head *); 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_remove(void *); 77 void domain_init(void *); 78 #ifdef VIMAGE 79 void vnet_domain_init(void *); 80 void vnet_domain_uninit(void *); 81 #endif 82 83 #define DOMAIN_SET(name) \ 84 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \ 85 SI_ORDER_FIRST, domain_add, & name ## domain); \ 86 SYSUNINIT(domain_remove_ ## name, SI_SUB_PROTO_DOMAIN, \ 87 SI_ORDER_FIRST, domain_remove, & name ## domain); \ 88 SYSINIT(domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \ 89 SI_ORDER_SECOND, domain_init, & name ## domain); 90 #ifdef VIMAGE 91 #define VNET_DOMAIN_SET(name) \ 92 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \ 93 SI_ORDER_FIRST, domain_add, & name ## domain); \ 94 VNET_SYSINIT(vnet_domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \ 95 SI_ORDER_SECOND, vnet_domain_init, & name ## domain); \ 96 VNET_SYSUNINIT(vnet_domain_uninit_ ## name, \ 97 SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, vnet_domain_uninit, \ 98 & name ## domain) 99 #else /* !VIMAGE */ 100 #define VNET_DOMAIN_SET(name) DOMAIN_SET(name) 101 #endif /* VIMAGE */ 102 103 #endif /* _KERNEL */ 104 105 #endif /* !_SYS_DOMAIN_H_ */ 106