| 1 | /* $NetBSD: domain.h,v 1.32 2015/04/22 19:46:08 roy Exp $ */ |
| 2 | |
| 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 | #include <sys/mbuf.h> |
| 41 | #include <sys/socket.h> |
| 42 | #include <net/route.h> |
| 43 | |
| 44 | /* |
| 45 | * Forward structure declarations for function prototypes [sic]. |
| 46 | */ |
| 47 | struct lwp; |
| 48 | struct mbuf; |
| 49 | struct ifnet; |
| 50 | struct ifqueue; |
| 51 | struct sockaddr; |
| 52 | |
| 53 | LIST_HEAD(dom_rtlist, route); |
| 54 | |
| 55 | struct domain { |
| 56 | int dom_family; /* AF_xxx */ |
| 57 | const char *dom_name; |
| 58 | void (*dom_init) /* initialize domain data structures */ |
| 59 | (void); |
| 60 | int (*dom_externalize) /* externalize access rights */ |
| 61 | (struct mbuf *, struct lwp *, int); |
| 62 | void (*dom_dispose) /* dispose of internalized rights */ |
| 63 | (struct mbuf *); |
| 64 | const struct protosw *dom_protosw, *dom_protoswNPROTOSW; |
| 65 | int (*dom_rtattach) /* initialize routing table */ |
| 66 | (rtbl_t **, int); |
| 67 | int dom_rtoffset; /* an arg to rtattach, in bits */ |
| 68 | int dom_maxrtkey; /* for routing layer */ |
| 69 | void (*dom_if_up) /* ifnet brought up */ |
| 70 | (struct ifnet *); |
| 71 | void (*dom_if_down) /* ifnet brought down */ |
| 72 | (struct ifnet *); |
| 73 | void *(*dom_ifattach) /* attach af-dependent data on ifnet */ |
| 74 | (struct ifnet *); |
| 75 | void (*dom_ifdetach) /* detach af-dependent data on ifnet */ |
| 76 | (struct ifnet *, void *); |
| 77 | void (*dom_if_link_state_change) |
| 78 | (struct ifnet *, int); |
| 79 | const void *(*dom_sockaddr_const_addr)(const struct sockaddr *, |
| 80 | socklen_t *); |
| 81 | void *(*dom_sockaddr_addr)(struct sockaddr *, socklen_t *); |
| 82 | int (*dom_sockaddr_cmp)(const struct sockaddr *, |
| 83 | const struct sockaddr *); |
| 84 | struct sockaddr *(*dom_sockaddr_externalize)(struct sockaddr *, |
| 85 | socklen_t, |
| 86 | const struct sockaddr *); |
| 87 | const struct sockaddr *dom_sa_any; |
| 88 | struct ifqueue *dom_ifqueues[2]; /* ifqueue for domain */ |
| 89 | STAILQ_ENTRY(domain) dom_link; |
| 90 | struct mowner dom_mowner; |
| 91 | uint_fast8_t dom_sa_cmpofs; |
| 92 | uint_fast8_t dom_sa_cmplen; |
| 93 | struct dom_rtlist dom_rtcache; |
| 94 | }; |
| 95 | |
| 96 | STAILQ_HEAD(domainhead,domain); |
| 97 | |
| 98 | #ifdef _KERNEL |
| 99 | #define DOMAIN_DEFINE(name) \ |
| 100 | extern struct domain name; \ |
| 101 | __link_set_add_data(domains, name) |
| 102 | |
| 103 | #define DOMAIN_FOREACH(dom) STAILQ_FOREACH(dom, &domains, dom_link) |
| 104 | extern struct domainhead domains; |
| 105 | void domain_attach(struct domain *); |
| 106 | void domaininit(bool); |
| 107 | #endif |
| 108 | |
| 109 | #endif /* !_SYS_DOMAIN_H_ */ |
| 110 | |