1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (C) 2000 WIDE Project.
5 * 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 project 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 PROJECT 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 PROJECT 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 *	$KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $
32 * $FreeBSD$
33 */
34
35#ifndef _NETINET6_SCOPE6_VAR_H_
36#define _NETINET6_SCOPE6_VAR_H_
37
38#ifdef _KERNEL
39#include <net/vnet.h>
40
41#define	IPV6_ADDR_SCOPES_COUNT	16
42struct scope6_id {
43	/*
44	 * 16 is correspondent to 4bit multicast scope field.
45	 * i.e. from node-local to global with some reserved/unassigned types.
46	 */
47	uint32_t s6id_list[IPV6_ADDR_SCOPES_COUNT];
48};
49
50VNET_DECLARE(int, deembed_scopeid);
51#define V_deembed_scopeid       VNET(deembed_scopeid)
52
53void	scope6_init(void);
54struct scope6_id *scope6_ifattach(struct ifnet *);
55void	scope6_ifdetach(struct scope6_id *);
56int	scope6_ioctl(u_long cmd, caddr_t data, struct ifnet *);
57void	scope6_setdefault(struct ifnet *);
58int	scope6_get_default(struct scope6_id *);
59u_int32_t scope6_addr2default(struct in6_addr *);
60int	sa6_embedscope(struct sockaddr_in6 *, int);
61int	sa6_recoverscope(struct sockaddr_in6 *);
62int	sa6_checkzone(struct sockaddr_in6 *);
63int	sa6_checkzone_ifp(struct ifnet *, struct sockaddr_in6 *);
64int	in6_setscope(struct in6_addr *, struct ifnet *, u_int32_t *);
65int	in6_clearscope(struct in6_addr *);
66uint16_t in6_getscope(const struct in6_addr *);
67uint32_t in6_getscopezone(const struct ifnet *, int);
68void	in6_splitscope(const struct in6_addr *, struct in6_addr *, uint32_t *);
69struct ifnet* in6_getlinkifnet(uint32_t);
70#endif /* _KERNEL */
71
72#endif /* _NETINET6_SCOPE6_VAR_H_ */
73