1 | /* @(#) $Header: /tcpdump/master/tcpdump/l2tp.h,v 1.5 2001-11-05 10:03:27 guy Exp $ (LBL) */ |
---|
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 | |
---|