bsd/netinet6/scope6_var.h

   1 /*
   2  * Copyright (c) 2009-2010 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 /*      $FreeBSD: src/sys/netinet6/scope6_var.h,v 1.1.2.1 2000/07/15 07:14:38 kris Exp $        */
  30 /*      $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $      */
  31
  32 /*
  33  * Copyright (C) 2000 WIDE Project.
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  * 3. Neither the name of the project nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  */
  60
  61 #ifndef _NETINET6_SCOPE6_VAR_H_
  62 #define _NETINET6_SCOPE6_VAR_H_
  63 #include <sys/appleapiopts.h>
  64
  65 #ifdef KERNEL_PRIVATE
  66
  67 struct scope6_id {
  68         /*
  69          * 16 is correspondent to 4bit multicast scope field.
  70          * i.e. from node-local to global with some reserved/unassigned types.
  71          */
  72         u_int32_t s6id_list[16];
  73 };
  74
  75 void    scope6_init (void);
  76 int     scope6_ifattach(struct ifnet *);
  77 void scope6_ifdetach (struct scope6_id *);
  78 int     scope6_set(struct ifnet *, u_int32_t *);
  79 int     scope6_get(struct ifnet *, u_int32_t *);
  80 void    scope6_setdefault(struct ifnet *);
  81 int     scope6_get_default(u_int32_t *);
  82 u_int32_t scope6_in6_addrscope(struct in6_addr *);
  83 u_int32_t scope6_addr2default(struct in6_addr *);
  84 int     sa6_embedscope (struct sockaddr_in6 *, int);
  85 int     sa6_recoverscope (struct sockaddr_in6 *);
  86 int     in6_setscope (struct in6_addr *, struct ifnet *, u_int32_t *);
  87 int     in6_clearscope (struct in6_addr *);
  88 extern void rtkey_to_sa6(struct rtentry *, struct sockaddr_in6 *);
  89 extern void rtgw_to_sa6(struct rtentry *, struct sockaddr_in6 *);
  90
  91 #endif /* KERNEL_PRIVATE */
  92
  93 #endif /* _NETINET6_SCOPE6_VAR_H_ */