bsd/netinet/ip_encap.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*      $KAME: ip_encap.h,v 1.6 2000/03/06 04:34:21 itojun Exp $        */
  26
  27 /*
  28  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
  29  * All rights reserved.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  * 1. Redistributions of source code must retain the above copyright
  35  *    notice, this list of conditions and the following disclaimer.
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in the
  38  *    documentation and/or other materials provided with the distribution.
  39  * 3. Neither the name of the project nor the names of its contributors
  40  *    may be used to endorse or promote products derived from this software
  41  *    without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  */
  55
  56 #ifndef _NETINET_IP_ENCAP_H_
  57 #define _NETINET_IP_ENCAP_H_
  58 #include <sys/appleapiopts.h>
  59
  60 #ifdef KERNEL
  61 #ifdef __APPLE_API_PRIVATE
  62
  63 struct encaptab {
  64         LIST_ENTRY(encaptab) chain;
  65         int af;
  66         int proto;                      /* -1: don't care, I'll check myself */
  67         struct sockaddr_storage src;    /* my addr */
  68         struct sockaddr_storage srcmask;
  69         struct sockaddr_storage dst;    /* remote addr */
  70         struct sockaddr_storage dstmask;
  71         int (*func) __P((const struct mbuf *, int, int, void *));
  72         const struct protosw *psw;      /* only pr_input will be used */
  73         void *arg;                      /* passed via m->m_pkthdr.aux */
  74 };
  75
  76 void    encap_init __P((void));
  77 void    encap4_input __P((struct mbuf *, int));
  78 int     encap6_input __P((struct mbuf **, int *));
  79 const struct encaptab *encap_attach __P((int, int, const struct sockaddr *,
  80         const struct sockaddr *, const struct sockaddr *,
  81         const struct sockaddr *, const struct protosw *, void *));
  82 const struct encaptab *encap_attach_func __P((int, int,
  83         int (*) __P((const struct mbuf *, int, int, void *)),
  84         const struct protosw *, void *));
  85 int     encap_detach __P((const struct encaptab *));
  86 void    *encap_getarg __P((struct mbuf *));
  87 #endif /* __APPLE_API_PRIVATE */
  88 #endif
  89
  90 #endif /*_NETINET_IP_ENCAP_H_*/