epan/dissectors/packet-pw-atm.h

   1 /* packet-pw-atm.h
   2  * Interface of pw-atm module
   3  * Copyright 2009, Artem Tamazov <artem.tamazov@tellabs.com>
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #ifndef PACKET_PW_ATM_H
  27 #define PACKET_PW_ATM_H
  28
  29 #include "packet-pw-common.h"
  30
  31 typedef enum {
  32         PWATM_MODE_UNKNOWN = 0
  33         ,PWATM_MODE_N1_NOCW
  34         ,PWATM_MODE_N1_CW
  35         ,PWATM_MODE_11_VCC
  36         ,PWATM_MODE_11_VPC
  37         ,PWATM_MODE_AAL5_SDU
  38         ,PWATM_MODE_AAL5_PDU
  39 } pwatm_mode_t;
  40
  41 typedef enum {
  42         PWATM_SUBMODE_DEFAULT = 0
  43         ,PWATM_SUBMODE_ADMIN_CELL /*used in aal5_sdu dissector only*/
  44 } pwatm_submode_t;
  45
  46 typedef struct {
  47         int pw_cell_number;
  48         int props;
  49         gint packet_size;
  50         pwatm_mode_t mode;
  51         pwatm_submode_t submode;
  52         struct {
  53                 /*
  54                  * ATM-specific attributes which remain the same
  55                  * across all the cells in the pw packet. Values are filled
  56                  * by sub-dissectors and read by upper-level dissector.
  57                  * Meanings of values:
  58                  *   (-1)       - value is unknown
  59                  *   (-2)       - value is different among cells
  60                  *   positive   - value is the same in all cells
  61                  * Machinery is implemented in the UPDATE_CUMULATIVE_VALUE macro.
  62                  */
  63                 gint32 vpi;
  64                 gint32 vci;
  65                 gint32 clp;
  66                 gint32 pti;
  67         } cumulative;
  68         gint32 vpi; /*-1 if unknown*/
  69         gint32 vci; /*-1 if unknown*/
  70         gint32 pti; /*-1 if unknown*/
  71         struct {
  72                 /*
  73                  * Some fields from 3rd byte of CW. Filled by cell_header dissector.
  74                  * In in AAL5 PDU mode, this allows control_word dissector to print
  75                  * these values in the CW heading line in the tree.
  76                  * Meanings of values:
  77                  *   (-1)       - value is unknown
  78                  */
  79                 gint32 m;
  80                 gint32 v;
  81                 gint32 rsv;
  82                 gint32 u;
  83                 gint32 e;
  84                 gint32 clp;
  85         } cwb3;
  86         gboolean aal5_sdu_frame_relay_cr_bit; /*see rfc4717 10.1*/
  87         gboolean cell_mode_oam; /*atm admin cell*/
  88         gboolean enable_fill_columns_by_atm_dissector;
  89 } pwatm_private_data_t;
  90
  91
  92 #define PWATM_PRIVATE_DATA_T_INITIALIZER {              \
  93         0, PWC_PACKET_PROPERTIES_T_INITIALIZER, 0       \
  94         ,PWATM_MODE_UNKNOWN, PWATM_SUBMODE_DEFAULT      \
  95         ,{-1, -1, -1, -1 }                              \
  96         ,-1, -1, -1                                     \
  97         ,{-1, -1, -1, -1, -1, -1 }                      \
  98         ,FALSE, FALSE, TRUE                             \
  99         }
 100
 101 #endif /*PACKET_PW_ATM_H*/