JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1 | /* @(#) $Header: /tcpdump/master/tcpdump/l2tp.h,v 1.5 2001-11-05 10:03:27 guy Exp $ (LBL) */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997 |
| 4 | * The Regents of the University of California. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that: (1) source code distributions |
| 8 | * retain the above copyright notice and this paragraph in its entirety, (2) |
| 9 | * distributions including binary code include the above copyright notice and |
| 10 | * this paragraph in its entirety in the documentation or other materials |
| 11 | * provided with the distribution, and (3) all advertising materials mentioning |
| 12 | * features or use of this software display the following acknowledgement: |
| 13 | * ``This product includes software developed by the University of California, |
| 14 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| 15 | * the University nor the names of its contributors may be used to endorse |
| 16 | * or promote products derived from this software without specific prior |
| 17 | * written permission. |
| 18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 19 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 20 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 21 | * |
| 22 | * L2TP support contributed by Motonori Shindo (mshindo@mshindo.net) |
| 23 | */ |
| 24 | |
| 25 | |
| 26 | #define L2TP_FLAG_TYPE 0x8000 /* Type (0=Data, 1=Control) */ |
| 27 | #define L2TP_FLAG_LENGTH 0x4000 /* Length */ |
| 28 | #define L2TP_FLAG_SEQUENCE 0x0800 /* Sequence */ |
| 29 | #define L2TP_FLAG_OFFSET 0x0200 /* Offset */ |
| 30 | #define L2TP_FLAG_PRIORITY 0x0100 /* Priority */ |
| 31 | |
| 32 | #define L2TP_VERSION_MASK 0x000f /* Version Mask */ |
| 33 | #define L2TP_VERSION_L2F 0x0001 /* L2F */ |
| 34 | #define L2TP_VERSION_L2TP 0x0002 /* L2TP */ |
| 35 | |
| 36 | #define L2TP_AVP_HDR_FLAG_MANDATORY 0x8000 /* Mandatory Flag */ |
| 37 | #define L2TP_AVP_HDR_FLAG_HIDDEN 0x4000 /* Hidden Flag */ |
| 38 | #define L2TP_AVP_HDR_LEN_MASK 0x03ff /* Length Mask */ |
| 39 | |
| 40 | #define L2TP_FRAMING_CAP_SYNC_MASK 0x00000001 /* Synchronous */ |
| 41 | #define L2TP_FRAMING_CAP_ASYNC_MASK 0x00000002 /* Asynchronous */ |
| 42 | |
| 43 | #define L2TP_FRAMING_TYPE_SYNC_MASK 0x00000001 /* Synchronous */ |
| 44 | #define L2TP_FRAMING_TYPE_ASYNC_MASK 0x00000002 /* Asynchronous */ |
| 45 | |
| 46 | #define L2TP_BEARER_CAP_DIGITAL_MASK 0x00000001 /* Digital */ |
| 47 | #define L2TP_BEARER_CAP_ANALOG_MASK 0x00000002 /* Analog */ |
| 48 | |
| 49 | #define L2TP_BEARER_TYPE_DIGITAL_MASK 0x00000001 /* Digital */ |
| 50 | #define L2TP_BEARER_TYPE_ANALOG_MASK 0x00000002 /* Analog */ |
| 51 | |
| 52 | /* Authen Type */ |
| 53 | #define L2TP_AUTHEN_TYPE_RESERVED 0x0000 /* Reserved */ |
| 54 | #define L2TP_AUTHEN_TYPE_TEXTUAL 0x0001 /* Textual username/password exchange */ |
| 55 | #define L2TP_AUTHEN_TYPE_CHAP 0x0002 /* PPP CHAP */ |
| 56 | #define L2TP_AUTHEN_TYPE_PAP 0x0003 /* PPP PAP */ |
| 57 | #define L2TP_AUTHEN_TYPE_NO_AUTH 0x0004 /* No Authentication */ |
| 58 | #define L2TP_AUTHEN_TYPE_MSCHAPv1 0x0005 /* MSCHAPv1 */ |
| 59 | |
| 60 | #define L2TP_PROXY_AUTH_ID_MASK 0x00ff |
| 61 | |
| 62 | |