xref: /freebsd/sys/netinet6/scope6_var.h (revision cf4c5a533126ca1ddb1f070af73f8f53b9e77fd4)
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  * $FreeBSD$
31  */
32 
33 #ifndef _NETINET6_SCOPE6_VAR_H_
34 #define _NETINET6_SCOPE6_VAR_H_
35 
36 #ifdef _KERNEL
37 struct 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 
45 void	scope6_init __P((void));
46 struct scope6_id *scope6_ifattach __P((struct ifnet *));
47 void	scope6_ifdetach __P((struct scope6_id *));
48 int	scope6_set __P((struct ifnet *, struct scope6_id *));
49 int	scope6_get __P((struct ifnet *, struct scope6_id *));
50 void	scope6_setdefault __P((struct ifnet *));
51 int	scope6_get_default __P((struct scope6_id *));
52 u_int32_t scope6_in6_addrscope __P((struct in6_addr *));
53 u_int32_t scope6_addr2default __P((struct in6_addr *));
54 int	sa6_embedscope __P((struct sockaddr_in6 *, int));
55 int	sa6_recoverscope __P((struct sockaddr_in6 *));
56 int	in6_setscope __P((struct in6_addr *, struct ifnet *, u_int32_t *));
57 int	in6_clearscope __P((struct in6_addr *));
58 #endif /* _KERNEL */
59 
60 #endif /* _NETINET6_SCOPE6_VAR_H_ */
61