1 | /* |
2 | * Copyright (c) 2009-2015 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | /* |
30 | * Copyright (C) 2000 WIDE Project. |
31 | * All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. Neither the name of the project nor the names of its contributors |
42 | * may be used to endorse or promote products derived from this software |
43 | * without specific prior written permission. |
44 | * |
45 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
55 | * SUCH DAMAGE. |
56 | */ |
57 | |
58 | #ifndef _NETINET6_SCOPE6_VAR_H_ |
59 | #define _NETINET6_SCOPE6_VAR_H_ |
60 | #include <sys/appleapiopts.h> |
61 | |
62 | /* |
63 | * 16 is correspondent to 4bit multicast scope field. |
64 | * i.e. from node-local to global with some reserved/unassigned types. |
65 | */ |
66 | #define SCOPE6_ID_MAX 16 |
67 | |
68 | #ifdef BSD_KERNEL_PRIVATE |
69 | |
70 | struct scope6_id { |
71 | u_int32_t s6id_list[SCOPE6_ID_MAX]; |
72 | }; |
73 | |
74 | extern int in6_embedded_scope; |
75 | extern int in6_embedded_scope_debug; |
76 | |
77 | #define IN6_NULL_IF_EMBEDDED_SCOPE(_var) (in6_embedded_scope ? NULL : (_var)) |
78 | |
79 | extern void scope6_ifattach(struct ifnet *); |
80 | extern void scope6_setdefault(struct ifnet *); |
81 | extern u_int32_t scope6_in6_addrscope(struct in6_addr *); |
82 | extern u_int32_t scope6_addr2default(struct in6_addr *); |
83 | extern int sa6_embedscope(struct sockaddr_in6 *, int, uint32_t *); |
84 | extern int sa6_recoverscope(struct sockaddr_in6 *, boolean_t); |
85 | extern int in6_setscope(struct in6_addr *, struct ifnet *, u_int32_t *); |
86 | extern int in6_clearscope(struct in6_addr *); |
87 | extern void rtkey_to_sa6(struct rtentry *, struct sockaddr_in6 *); |
88 | extern void rtgw_to_sa6(struct rtentry *, struct sockaddr_in6 *); |
89 | extern bool in6_are_addr_equal_scoped(const struct in6_addr *, const struct in6_addr *, |
90 | uint32_t, uint32_t); |
91 | extern bool in6_are_masked_addr_scope_equal(const struct in6_addr *, uint32_t, const struct in6_addr *, uint32_t, const struct in6_addr *); |
92 | |
93 | extern void in6_verify_ifscope(const struct in6_addr *, uint32_t); |
94 | |
95 | #endif /* BSD_KERNEL_PRIVATE */ |
96 | #endif /* _NETINET6_SCOPE6_VAR_H_ */ |
97 | |