| 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 void scope6_init(lck_grp_t *, lck_attr_t *); |
| 75 | extern void scope6_ifattach(struct ifnet *); |
| 76 | extern void scope6_setdefault(struct ifnet *); |
| 77 | extern u_int32_t scope6_in6_addrscope(struct in6_addr *); |
| 78 | extern u_int32_t scope6_addr2default(struct in6_addr *); |
| 79 | extern int sa6_embedscope (struct sockaddr_in6 *, int); |
| 80 | extern int sa6_recoverscope (struct sockaddr_in6 *, boolean_t); |
| 81 | extern int in6_setscope (struct in6_addr *, struct ifnet *, u_int32_t *); |
| 82 | extern int in6_clearscope (struct in6_addr *); |
| 83 | extern void rtkey_to_sa6(struct rtentry *, struct sockaddr_in6 *); |
| 84 | extern void rtgw_to_sa6(struct rtentry *, struct sockaddr_in6 *); |
| 85 | #endif /* BSD_KERNEL_PRIVATE */ |
| 86 | #endif /* _NETINET6_SCOPE6_VAR_H_ */ |