| /* @(#) $Header: /tcpdump/master/tcpdump/l2tp.h,v 1.5 2001/11/05 10:03:27 guy Exp $ (LBL) */ |
| /* |
| * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that: (1) source code distributions |
| * retain the above copyright notice and this paragraph in its entirety, (2) |
| * distributions including binary code include the above copyright notice and |
| * this paragraph in its entirety in the documentation or other materials |
| * provided with the distribution, and (3) all advertising materials mentioning |
| * features or use of this software display the following acknowledgement: |
| * ``This product includes software developed by the University of California, |
| * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| * the University nor the names of its contributors may be used to endorse |
| * or promote products derived from this software without specific prior |
| * written permission. |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * L2TP support contributed by Motonori Shindo (mshindo@mshindo.net) |
| */ |
| |
| |
| #define L2TP_FLAG_TYPE 0x8000 /* Type (0=Data, 1=Control) */ |
| #define L2TP_FLAG_LENGTH 0x4000 /* Length */ |
| #define L2TP_FLAG_SEQUENCE 0x0800 /* Sequence */ |
| #define L2TP_FLAG_OFFSET 0x0200 /* Offset */ |
| #define L2TP_FLAG_PRIORITY 0x0100 /* Priority */ |
| |
| #define L2TP_VERSION_MASK 0x000f /* Version Mask */ |
| #define L2TP_VERSION_L2F 0x0001 /* L2F */ |
| #define L2TP_VERSION_L2TP 0x0002 /* L2TP */ |
| |
| #define L2TP_AVP_HDR_FLAG_MANDATORY 0x8000 /* Mandatory Flag */ |
| #define L2TP_AVP_HDR_FLAG_HIDDEN 0x4000 /* Hidden Flag */ |
| #define L2TP_AVP_HDR_LEN_MASK 0x03ff /* Length Mask */ |
| |
| #define L2TP_FRAMING_CAP_SYNC_MASK 0x00000001 /* Synchronous */ |
| #define L2TP_FRAMING_CAP_ASYNC_MASK 0x00000002 /* Asynchronous */ |
| |
| #define L2TP_FRAMING_TYPE_SYNC_MASK 0x00000001 /* Synchronous */ |
| #define L2TP_FRAMING_TYPE_ASYNC_MASK 0x00000002 /* Asynchronous */ |
| |
| #define L2TP_BEARER_CAP_DIGITAL_MASK 0x00000001 /* Digital */ |
| #define L2TP_BEARER_CAP_ANALOG_MASK 0x00000002 /* Analog */ |
| |
| #define L2TP_BEARER_TYPE_DIGITAL_MASK 0x00000001 /* Digital */ |
| #define L2TP_BEARER_TYPE_ANALOG_MASK 0x00000002 /* Analog */ |
| |
| /* Authen Type */ |
| #define L2TP_AUTHEN_TYPE_RESERVED 0x0000 /* Reserved */ |
| #define L2TP_AUTHEN_TYPE_TEXTUAL 0x0001 /* Textual username/password exchange */ |
| #define L2TP_AUTHEN_TYPE_CHAP 0x0002 /* PPP CHAP */ |
| #define L2TP_AUTHEN_TYPE_PAP 0x0003 /* PPP PAP */ |
| #define L2TP_AUTHEN_TYPE_NO_AUTH 0x0004 /* No Authentication */ |
| #define L2TP_AUTHEN_TYPE_MSCHAPv1 0x0005 /* MSCHAPv1 */ |
| |
| #define L2TP_PROXY_AUTH_ID_MASK 0x00ff |
| |
| |
