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84 lines
3.2 KiB
C
84 lines
3.2 KiB
C
/* @(#) $Header: /tcpdump/master/tcpdump/l2tp.h,v 1.4 2000-12-17 23:07:49 guy Exp $ (LBL) */
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/*
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* Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* L2TP support contributed by Motonori Shindo (mshindo@mshindo.net)
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*/
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#define L2TP_FLAG_TYPE 0x8000 /* Type (0=Data, 1=Control) */
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#define L2TP_FLAG_LENGTH 0x4000 /* Length */
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#define L2TP_FLAG_SEQUENCE 0x0800 /* Sequence */
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#define L2TP_FLAG_OFFSET 0x0200 /* Offset */
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#define L2TP_FLAG_PRIORITY 0x0100 /* Priority */
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#define L2TP_VERSION_MASK 0x000f /* Version Mask */
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#define L2TP_VERSION_L2F 0x0001 /* L2F */
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#define L2TP_VERSION_L2TP 0x0002 /* L2TP */
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#define L2TP_AVP_HDR_FLAG_MANDATORY 0x8000 /* Mandatory Flag */
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#define L2TP_AVP_HDR_FLAG_HIDDEN 0x4000 /* Hidden Flag */
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#define L2TP_AVP_HDR_LEN_MASK 0x03ff /* Length Mask */
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#define L2TP_FRAMING_CAP_SYNC_MASK 0x00000001 /* Synchronous */
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#define L2TP_FRAMING_CAP_ASYNC_MASK 0x00000002 /* Asynchronous */
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#define L2TP_FRAMING_TYPE_SYNC_MASK 0x00000001 /* Synchronous */
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#define L2TP_FRAMING_TYPE_ASYNC_MASK 0x00000002 /* Asynchronous */
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#define L2TP_BEARER_CAP_DIGITAL_MASK 0x00000001 /* Digital */
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#define L2TP_BEARER_CAP_ANALOG_MASK 0x00000002 /* Analog */
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#define L2TP_BEARER_TYPE_DIGITAL_MASK 0x00000001 /* Digital */
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#define L2TP_BEARER_TYPE_ANALOG_MASK 0x00000002 /* Analog */
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/* Authen Type */
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#define L2TP_AUTHEN_TYPE_RESERVED 0x0000 /* Reserved */
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#define L2TP_AUTHEN_TYPE_TEXTUAL 0x0001 /* Textual username/password exchange */
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#define L2TP_AUTHEN_TYPE_CHAP 0x0002 /* PPP CHAP */
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#define L2TP_AUTHEN_TYPE_PAP 0x0003 /* PPP PAP */
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#define L2TP_AUTHEN_TYPE_NO_AUTH 0x0004 /* No Authentication */
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#define L2TP_AUTHEN_TYPE_MSCHAP 0x0005 /* MSCHAPv1 */
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#define L2TP_PROXY_AUTH_ID_MASK 0x00ff
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struct l2tp_avp_vec {
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const char *name;
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void (*print)(const u_char *, u_int32_t);
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};
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struct l2tp_call_errors {
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u_int16_t reserved;
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u_int32_t crc_errs;
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u_int32_t framing_errs;
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u_int32_t hardware_overruns;
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u_int32_t buffer_overruns;
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u_int32_t timeout_errs;
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u_int32_t alignment_errs;
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};
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struct l2tp_accm {
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u_int16_t reserved;
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u_int32_t send_accm;
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u_int32_t recv_accm;
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};
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