dist/tcpdump/l2tp.h

   1 /*      $NetBSD$        */
   2
   3 /* @(#) Header: /tcpdump/master/tcpdump/l2tp.h,v 1.5 2001/11/05 10:03:27 guy Exp (LBL) */
   4 /*
   5  * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that: (1) source code distributions
  10  * retain the above copyright notice and this paragraph in its entirety, (2)
  11  * distributions including binary code include the above copyright notice and
  12  * this paragraph in its entirety in the documentation or other materials
  13  * provided with the distribution, and (3) all advertising materials mentioning
  14  * features or use of this software display the following acknowledgement:
  15  * ``This product includes software developed by the University of California,
  16  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  17  * the University nor the names of its contributors may be used to endorse
  18  * or promote products derived from this software without specific prior
  19  * written permission.
  20  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  21  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  22  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  23  *
  24  * L2TP support contributed by Motonori Shindo (mshindo@mshindo.net)
  25  */
  26
  27
  28 #define L2TP_FLAG_TYPE          0x8000  /* Type (0=Data, 1=Control) */
  29 #define L2TP_FLAG_LENGTH        0x4000  /* Length */
  30 #define L2TP_FLAG_SEQUENCE      0x0800  /* Sequence */
  31 #define L2TP_FLAG_OFFSET        0x0200  /* Offset */
  32 #define L2TP_FLAG_PRIORITY      0x0100  /* Priority */
  33
  34 #define L2TP_VERSION_MASK       0x000f  /* Version Mask */
  35 #define L2TP_VERSION_L2F        0x0001  /* L2F */
  36 #define L2TP_VERSION_L2TP       0x0002  /* L2TP */
  37
  38 #define L2TP_AVP_HDR_FLAG_MANDATORY     0x8000  /* Mandatory Flag */
  39 #define L2TP_AVP_HDR_FLAG_HIDDEN        0x4000  /* Hidden Flag */
  40 #define L2TP_AVP_HDR_LEN_MASK           0x03ff  /* Length Mask */
  41
  42 #define L2TP_FRAMING_CAP_SYNC_MASK      0x00000001      /* Synchronous */
  43 #define L2TP_FRAMING_CAP_ASYNC_MASK     0x00000002      /* Asynchronous */
  44
  45 #define L2TP_FRAMING_TYPE_SYNC_MASK     0x00000001      /* Synchronous */
  46 #define L2TP_FRAMING_TYPE_ASYNC_MASK    0x00000002      /* Asynchronous */
  47
  48 #define L2TP_BEARER_CAP_DIGITAL_MASK    0x00000001      /* Digital */
  49 #define L2TP_BEARER_CAP_ANALOG_MASK     0x00000002      /* Analog */
  50
  51 #define L2TP_BEARER_TYPE_DIGITAL_MASK   0x00000001      /* Digital */
  52 #define L2TP_BEARER_TYPE_ANALOG_MASK    0x00000002      /* Analog */
  53
  54 /* Authen Type */
  55 #define L2TP_AUTHEN_TYPE_RESERVED       0x0000  /* Reserved */
  56 #define L2TP_AUTHEN_TYPE_TEXTUAL        0x0001  /* Textual username/password exchange */
  57 #define L2TP_AUTHEN_TYPE_CHAP           0x0002  /* PPP CHAP */
  58 #define L2TP_AUTHEN_TYPE_PAP            0x0003  /* PPP PAP */
  59 #define L2TP_AUTHEN_TYPE_NO_AUTH        0x0004  /* No Authentication */
  60 #define L2TP_AUTHEN_TYPE_MSCHAPv1       0x0005  /* MSCHAPv1 */
  61
  62 #define L2TP_PROXY_AUTH_ID_MASK         0x00ff
  63
  64