scope6_var.h revision 235916 
1/*-
2 * Copyright (C) 2000 WIDE Project.
3 * 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 project 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 PROJECT 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 PROJECT 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 *	$KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $
30 * $FreeBSD: head/sys/netinet6/scope6_var.h 235916 2012-05-24 16:30:13Z bz $
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 node-local to global with some reserved/unassigned types.
41	 */
42	u_int32_t s6id_list[16];
43};
44
45void	scope6_init __P((void));
46struct scope6_id *scope6_ifattach __P((struct ifnet *));
47void	scope6_ifdetach __P((struct scope6_id *));
48int	scope6_set __P((struct ifnet *, struct scope6_id *));
49int	scope6_get __P((struct ifnet *, struct scope6_id *));
50void	scope6_setdefault __P((struct ifnet *));
51int	scope6_get_default __P((struct scope6_id *));
52u_int32_t scope6_addr2default __P((struct in6_addr *));
53int	sa6_embedscope __P((struct sockaddr_in6 *, int));
54int	sa6_recoverscope __P((struct sockaddr_in6 *));
55int	in6_setscope __P((struct in6_addr *, struct ifnet *, u_int32_t *));
56int	in6_clearscope __P((struct in6_addr *));
57uint16_t in6_getscope(struct in6_addr *);
58#endif /* _KERNEL */
59
60#endif /* _NETINET6_SCOPE6_VAR_H_ */
61