epan/dissectors/packet-gmr1_common.h

   1 /* packet-gmr1_common.h
   2  *
   3  * Headers for GMR-1 dissection in wireshark (common stuff).
   4  * Copyright (c) 2011 Sylvain Munaut <tnt@246tNt.com>
   5  *
   6  * References:
   7  *  [1] ETSI TS 101 376-4-8 V1.3.1 - GMR-1 04.008
   8  *  [2] ETSI TS 101 376-4-8 V2.2.1 - GMPRS-1 04.008
   9  *  [3] ETSI TS 101 376-4-8 V3.1.1 - GMR-1 3G 44.008
  10  *  [4] ETSI TS 100 940 V7.21.0 - GSM 04.08
  11  *  [5] ETSI TS 101 376-4-12 V3.2.1 - GMR-1 3G 44.060
  12  *  [6] ETSI TS 101 376-5-6 V1.3.1 - GMR-1 05.008
  13  *
  14  * $Id$
  15  *
  16  * Wireshark - Network traffic analyzer
  17  * By Gerald Combs <gerald@wireshark.org>
  18  * Copyright 1998 Gerald Combs
  19  *
  20  * This program is free software; you can redistribute it and/or
  21  * modify it under the terms of the GNU General Public License
  22  * as published by the Free Software Foundation; either version 2
  23  * of the License, or (at your option) any later version.
  24  *
  25  * This program is distributed in the hope that it will be useful,
  26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  * GNU General Public License for more details.
  29  *
  30  * You should have received a copy of the GNU General Public License
  31  * along with this program; if not, write to the Free Software
  32  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  33  */
  34
  35 #ifndef __PACKET_GMR1_COMMON_H__
  36 #define __PACKET_GMR1_COMMON_H__
  37
  38 #include "packet-gsm_a_common.h"
  39
  40
  41 /* Protocol descriptor (see [1] 11.2 & [4] 10.2) */
  42 typedef enum {
  43         GMR1_PD_CC      = 0x03,
  44         GMR1_PD_MM      = 0x05,
  45         GMR1_PD_RR      = 0x06,
  46         GMR1_PD_GMM     = 0x08,
  47         GMR1_PD_SM      = 0x0a,
  48         GMR1_PD_DTRS    = 0x1e
  49 } gmr1_pd_e;
  50
  51 #define GMR1_PD_EXT_MSK 0x0f
  52 #define GMR1_PD_EXT_VAL 0x0e
  53
  54 extern const value_string gmr1_pd_vals[];
  55 extern const value_string gmr1_pd_short_vals[];
  56
  57
  58 /* Common IEs */
  59 enum gmr1_ie_common_idx {
  60         GMR1_IE_COM_CM2,                        /* [1] 11.5.1.6 */
  61         GMR1_IE_COM_SPARE_NIBBLE,               /* [1] 11.5.1.8 */
  62         NUM_GMR1_IE_COMMON /* Terminator */
  63 };
  64
  65 extern int hf_gmr1_skip_ind;
  66 extern int hf_gmr1_l3_pd;
  67 extern int hf_gmr1_elem_id;
  68 extern int hf_gmr1_len;
  69
  70
  71 /* Message & IEs parsing */
  72
  73 typedef void (*gmr1_msg_func_t)(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, gint offset, gint len);
  74
  75 #define GMR1_IE_FUNC(fn_name)   \
  76         static guint16 \
  77         fn_name (tvbuff_t *tvb _U_, proto_tree *tree _U_, packet_info *pinfo _U_, guint32 offset _U_, guint len _U_, gchar *add_string _U_, int string_len _U_)
  78
  79 #define GMR1_MSG_FUNC(fn_name)  \
  80         static void \
  81         fn_name (tvbuff_t *tvb _U_, proto_tree *tree _U_, packet_info *pinfo _U_, gint offset, gint len)
  82
  83 #define GMR1_MSG_FUNC_BEGIN     \
  84         gint curr_offset;       \
  85         gint curr_len;          \
  86         gint consumed;          \
  87                                 \
  88         curr_offset = offset;   \
  89         curr_len = len;         \
  90         consumed = 0;
  91
  92 #define GMR1_MSG_FUNC_END
  93
  94
  95 extern void
  96 gmr1_get_msg_params(gmr1_pd_e pd, guint8 oct, const gchar **msg_str,
  97                     int *ett_tree, int *hf_idx, gmr1_msg_func_t *msg_func_p);
  98
  99
 100 #endif /* __PACKET_GMR1_COMMON_H__ */