epan/dissectors/packet-l2tp.h

   1 /* packet-l2tp.h
   2  * Routines for Layer Two Tunnelling Protocol (L2TP) packet disassembly
   3  *
   4  * Wireshark - Network traffic analyzer
   5  * By Gerald Combs <gerald@wireshark.org>
   6  * Copyright 1998 Gerald Combs
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10 #ifndef __PACKET_L2TP_H__
  11 #define __PACKET_L2TP_H__
  12
  13 typedef struct _l2tp_cntrl_data {
  14         uint32_t    ccid;
  15         int         msg_type;
  16 } l2tp_cntrl_data_t;
  17
  18 /* L2TPv3 Pseudowire Types
  19  * https://www.iana.org/assignments/l2tp-parameters/l2tp-parameters.xhtml
  20  */
  21 /* 0 is unassigned, use for Decode As of sessions where we do not have a
  22  * PW Type AVP. (Perhaps if no control packets are captured.)  */
  23 #define L2TPv3_PW_DEFAULT     0x0000
  24 #define L2TPv3_PW_FR          0x0001
  25 #define L2TPv3_PW_AAL5        0x0002
  26 #define L2TPv3_PW_ATM_PORT    0x0003
  27 #define L2TPv3_PW_ETH_VLAN    0x0004
  28 #define L2TPv3_PW_ETH         0x0005
  29 #define L2TPv3_PW_CHDLC       0x0006
  30 #define L2TPv3_PW_PPP         0x0007 /* Expired draft, unassigned */
  31 #define L2TPv3_PW_ATM_VCC     0x0009
  32 #define L2TPv3_PW_ATM_VPC     0x000A
  33 #define L2TPv3_PW_IP          0x000B /* Expired draft, unassigned */
  34 #define L2TPv3_PW_DOCSIS_DMPT 0x000C /* MPEG2-TS */
  35 #define L2TPv3_PW_DOCSIS_PSP  0x000D
  36 #define L2TPv3_PW_E1          0x0011
  37 #define L2TPv3_PW_T1          0x0012
  38 #define L2TPv3_PW_E3          0x0013
  39 #define L2TPv3_PW_T3          0x0014
  40 #define L2TPv3_PW_CESOPSN     0x0015
  41 #define L2TPv3_PW_CESOPSN_CAS 0x0017
  42
  43 #if 0
  44 /* Other dissectors that do not have Pseudowire Types assigned.
  45  * Were any of the unassigned numbers used for these in the past,
  46  * as with PPP and IP?
  47  */
  48 #define L2TPv3_PW_MPLS
  49 #define L2TPv3_PW_LAPD
  50 #define L2TPv3_PW_ERICSSON
  51 #endif
  52
  53 #endif /* __PACKET_L2TP_H__ */