1/* $FreeBSD: src/sys/netinet6/scope6_var.h,v 1.4 2005/01/07 02:30:35 imp Exp $ */
2/* $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $ */
3
4/*-
5 * Copyright (C) 2000 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef _NETINET6_SCOPE6_VAR_H_
34#define _NETINET6_SCOPE6_VAR_H_
35
36#ifdef _KERNEL
37struct scope6_id {
38 /*
39 * 16 is correspondent to 4bit multicast scope field.
40 * i.e. from interface-local to global with some
41 * reserved/unassigned types.
42 */
43 uint32_t s6id_list[16];
44};
45
46void scope6_init(void);
47struct scope6_id *scope6_ifattach(struct ifnet *);
48void scope6_ifdetach(struct scope6_id *);
49int scope6_set(struct ifnet *, const struct scope6_id *);
50int scope6_get(const struct ifnet *, struct scope6_id *);
51void scope6_setdefault(struct ifnet *);
52int scope6_get_default(struct scope6_id *);
53uint32_t scope6_in6_addrscope(struct in6_addr *);
54uint32_t scope6_addr2default(const struct in6_addr *);
55int sa6_embedscope(struct sockaddr_in6 *, int);
56int sa6_recoverscope(struct sockaddr_in6 *);
57int in6_setzoneid(struct in6_addr *, uint32_t);
58int in6_setscope(struct in6_addr *, const struct ifnet *, u_int32_t *);
59int in6_clearscope(struct in6_addr *);
60const char *in6_getscopename(const struct in6_addr *);
61#endif /* _KERNEL */
62
63#endif /* _NETINET6_SCOPE6_VAR_H_ */
64