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/* packet-l2tp.h
* Routines for Layer Two Tunnelling Protocol (L2TP) packet disassembly
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_L2TP_H__
#define __PACKET_L2TP_H__
typedef struct _l2tp_cntrl_data {
guint32 ccid;
int msg_type;
} l2tp_cntrl_data_t;
/* L2TPv3 Pseudowire Types
* https://www.iana.org/assignments/l2tp-parameters/l2tp-parameters.xhtml
*/
/* 0 is unassigned, use for Decode As of sessions where we do not have a
* PW Type AVP. (Perhaps if no control packets are captured.) */
#define L2TPv3_PW_DEFAULT 0x0000
#define L2TPv3_PW_FR 0x0001
#define L2TPv3_PW_AAL5 0x0002
#define L2TPv3_PW_ATM_PORT 0x0003
#define L2TPv3_PW_ETH_VLAN 0x0004
#define L2TPv3_PW_ETH 0x0005
#define L2TPv3_PW_CHDLC 0x0006
#define L2TPv3_PW_PPP 0x0007 /* Expired draft, unassigned */
#define L2TPv3_PW_ATM_VCC 0x0009
#define L2TPv3_PW_ATM_VPC 0x000A
#define L2TPv3_PW_IP 0x000B /* Expired draft, unassigned */
#define L2TPv3_PW_DOCSIS_DMPT 0x000C /* MPEG2-TS */
#define L2TPv3_PW_DOCSIS_PSP 0x000D
#define L2TPv3_PW_E1 0x0011
#define L2TPv3_PW_T1 0x0012
#define L2TPv3_PW_E3 0x0013
#define L2TPv3_PW_T3 0x0014
#define L2TPv3_PW_CESOPSN 0x0015
#define L2TPv3_PW_CESOPSN_CAS 0x0017
#if 0
/* Other dissectors that do not have Pseudowire Types assigned.
* Were any of the unassigned numbers used for these in the past,
* as with PPP and IP?
*/
#define L2TPv3_PW_MPLS
#define L2TPv3_PW_LAPD
#define L2TPv3_PW_ERICSSON
#endif
#endif /* __PACKET_L2TP_H__ */
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