bsd/net/if_gif.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: if_gif.h,v 1.7 2000/02/22 14:01:46 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 /*
  57  * if_gif.h
  58  */
  59
  60 #ifndef _NET_IF_GIF_H_
  61 #define _NET_IF_GIF_H_
  62 #include <sys/appleapiopts.h>
  63
  64 #include <netinet/in.h>
  65 /* xxx sigh, why route have struct route instead of pointer? */
  66
  67 struct encaptab;
  68
  69 #ifdef __APPLE_API_PRIVATE
  70 struct gif_softc {
  71         struct ifnet    gif_if;    /* common area - must be at the top */
  72         struct sockaddr *gif_psrc; /* Physical src addr */
  73         struct sockaddr *gif_pdst; /* Physical dst addr */
  74 #ifdef __APPLE__
  75         struct if_proto *gif_proto; /* dlil protocol attached */
  76 #endif
  77         union {
  78                 struct route  gifscr_ro;    /* xxx */
  79 #if INET6
  80                 struct route_in6 gifscr_ro6; /* xxx */
  81 #endif
  82         } gifsc_gifscr;
  83         int             gif_flags;
  84         const struct encaptab *encap_cookie4;
  85         const struct encaptab *encap_cookie6;
  86         TAILQ_ENTRY(gif_softc) gif_link; /* all gif's are linked */
  87 };
  88
  89 #define gif_ro gifsc_gifscr.gifscr_ro
  90 #if INET6
  91 #define gif_ro6 gifsc_gifscr.gifscr_ro6
  92 #endif
  93 #endif /* __APPLE_API_PRIVATE */
  94
  95 #define GIF_MTU         (1280)  /* Default MTU */
  96 #define GIF_MTU_MIN     (1280)  /* Minimum MTU */
  97 #define GIF_MTU_MAX     (8192)  /* Maximum MTU */
  98
  99 #ifdef __APPLE_API_PRIVATE
 100 /* Prototypes */
 101 int gif_input __P((struct mbuf *, char*, struct ifnet *, u_long, int));
 102 int gif_output __P((struct ifnet *, struct mbuf *,
 103                     struct sockaddr *, struct rtentry *));
 104 int gif_ioctl __P((struct ifnet *, u_long, void*));
 105 #endif /* __APPLE_API_PRIVATE */
 106
 107 #endif /* _NET_IF_GIF_H_ */