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 * 3. 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: src/sys/sys/domain.h,v 1.14 1999/12/29 04:24:40 peter Exp $ 31 */ 32 33 #ifndef _SYS_DOMAIN_H_ 34 #define _SYS_DOMAIN_H_ 35 36 #include <sys/queue.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 48 SLIST_HEAD(domainlist, domain); 49 50 struct domain { 51 int dom_family; /* AF_xxx */ 52 char *dom_name; 53 void (*dom_init)(void); /* initialize domain data structures */ 54 int (*dom_externalize)(struct mbuf *, int); /* externalize access 55 * rights */ 56 void (*dom_dispose)(struct mbuf *); /* dispose of internalized 57 * rights */ 58 struct protosw *dom_protosw; 59 struct protosw *dom_protoswNPROTOSW; 60 SLIST_ENTRY(domain) dom_next; 61 int (*dom_rtattach)(void **, int); /* initialize routing table */ 62 int dom_rtoffset; /* an arg to rtattach, in bytes */ 63 int dom_maxrtkey; /* for routing layer */ 64 void *(*dom_ifattach)(struct ifnet *); 65 void (*dom_ifdetach)(struct ifnet *, void *); 66 void (*dom_if_up)(struct ifnet *); 67 void (*dom_if_down)(struct ifnet *); 68 /* af-dependent data on ifnet */ 69 }; 70 71 #ifdef _KERNEL 72 extern struct domainlist domains; 73 extern struct domain localdomain; 74 75 void net_add_domain(void *); 76 77 #define DOMAIN_SET(name) \ 78 SYSINIT(domain_ ## name, SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, net_add_domain, & name ## domain) 79 80 #endif 81 82 #endif 83