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 | |