xref: /dragonfly/sys/netinet6/scope6_var.h (revision 37de577a)
1 /*	$FreeBSD: src/sys/netinet6/scope6_var.h,v 1.1.2.1 2000/07/15 07:14:38 kris Exp $	*/
2 /*	$DragonFly: src/sys/netinet6/scope6_var.h,v 1.8 2008/08/24 19:14:52 swildner Exp $	*/
3 /*	$KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $	*/
4 
5 /*
6  * Copyright (C) 2000 WIDE Project.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the name of the project nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef _NETINET6_SCOPE6_VAR_H_
35 #define _NETINET6_SCOPE6_VAR_H_
36 
37 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
38 
39 #ifndef _SYS_TYPES_H_
40 #include <sys/types.h>
41 #endif
42 
43 struct scope6_id {
44 	/*
45 	 * 16 is correspondent to 4bit multicast scope field.
46 	 * i.e. from node-local to global with some reserved/unassigned types.
47 	 */
48 	u_int32_t s6id_list[16];
49 };
50 
51 #endif
52 
53 #ifdef _KERNEL
54 
55 struct ifnet;
56 struct in6_addr;
57 struct scope6_id;
58 
59 void	scope6_init (void);
60 struct scope6_id *scope6_ifattach (struct ifnet *);
61 void	scope6_ifdetach (struct scope6_id *);
62 int	scope6_set (struct ifnet *, struct scope6_id *);
63 int	scope6_get (struct ifnet *, struct scope6_id *);
64 void	scope6_setdefault (struct ifnet *);
65 int	scope6_get_default (struct scope6_id *);
66 u_int32_t scope6_in6_addrscope (struct in6_addr *);
67 u_int32_t scope6_addr2default (struct in6_addr *);
68 int	in6_setscope (struct in6_addr *, struct ifnet *, u_int32_t *);
69 
70 #endif /* _KERNEL */
71 
72 #endif /* _NETINET6_SCOPE6_VAR_H_ */
73