epan/dissectors/packet-q931.h

   1 /* packet-q931.h
   2  * Declarations of exported routines and tables for Q.931 and Q.2931 frame
   3  * disassembly
   4  * Guy Harris <guy@alum.mit.edu>
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998
   9  *
  10  * SPDX-License-Identifier: GPL-2.0-or-later
  11  */
  12
  13 #ifndef __PACKET_Q931_H__
  14 #define __PACKET_Q931_H__
  15
  16 #include "ws_symbol_export.h"
  17
  18 WS_DLL_PUBLIC void dissect_q931_bearer_capability_ie(tvbuff_t *, int, int,
  19     proto_tree *);
  20
  21 extern void dissect_q931_cause_ie(tvbuff_t *, int, int,
  22     proto_tree *, int, uint8_t *,const value_string *);
  23
  24 extern void dissect_q931_progress_indicator_ie(tvbuff_t *, int, int,
  25     proto_tree *);
  26
  27 WS_DLL_PUBLIC void dissect_q931_high_layer_compat_ie(tvbuff_t *, int, int,
  28     proto_tree *);
  29
  30 extern void dissect_q931_user_user_ie(tvbuff_t *tvb, packet_info *pinfo, int offset, int len,
  31     proto_tree *tree);
  32
  33 extern value_string_ext q931_cause_location_vals_ext;
  34
  35 typedef struct _q931_packet_info {
  36        char *calling_number;
  37        char *called_number;
  38        uint8_t cause_value;
  39        int32_t crv;
  40        uint8_t message_type;
  41 } q931_packet_info;
  42
  43 /*
  44  * the following allows TAP code access to the messages
  45  * without having to duplicate it. With MSVC and a
  46  * libwireshark.dll, we need a special declaration.
  47  */
  48 WS_DLL_PUBLIC value_string_ext q931_cause_code_vals_ext;
  49 WS_DLL_PUBLIC const value_string q931_message_type_vals[];
  50
  51 extern value_string_ext q931_protocol_discriminator_vals_ext;
  52 extern value_string_ext q931_progress_description_vals_ext;
  53 extern value_string_ext q931_call_state_vals_ext;
  54
  55 /*
  56  * Q.931 message types.
  57  */
  58 #define Q931_ESCAPE               0x00
  59 #define Q931_ALERTING             0x01
  60 #define Q931_CALL_PROCEEDING      0x02
  61 #define Q931_PROGRESS             0x03
  62 #define Q931_SETUP                0x05
  63 #define Q931_GROUIP_SERVICE       0x06
  64 #define Q931_CONNECT              0x07
  65 #define Q931_RESYNC_REQ           0x08
  66 #define Q931_RESYNC_RESP          0x09
  67 #define Q931_VERSION              0x0A
  68 #define Q931_GROUIP_SERVICE_ACK   0x0B
  69 #define Q931_SETUP_ACK            0x0D
  70 #define Q931_CONNECT_ACK          0x0F
  71 #define Q931_USER_INFORMATION     0x20
  72 #define Q931_SUSPEND_REJECT       0x21
  73 #define Q931_RESUME_REJECT        0x22
  74 #define Q931_HOLD                 0x24
  75 #define Q931_SUSPEND              0x25
  76 #define Q931_RESUME               0x26
  77 #define Q931_HOLD_ACK             0x28
  78 #define Q931_SUSPEND_ACK          0x2D
  79 #define Q931_RESUME_ACK           0x2E
  80 #define Q931_HOLD_REJECT          0x30
  81 #define Q931_RETRIEVE             0x31
  82 #define Q931_RETRIEVE_ACK         0x33
  83 #define Q931_RETRIEVE_REJECT      0x37
  84 #define Q931_DETACH               0x40
  85 #define Q931_DISCONNECT           0x45
  86 #define Q931_RESTART              0x46
  87 #define Q931_DETACH_ACKNOWLEDGE   0x48
  88 #define Q931_RELEASE              0x4D
  89 #define Q931_RESTART_ACK          0x4E
  90 #define Q931_RELEASE_COMPLETE     0x5A
  91 #define Q931_SEGMENT              0x60
  92 #define Q931_FACILITY             0x62
  93 #define Q931_REGISTER             0x64
  94 #define Q931_FACILITY_ACKNOWLEDGE 0x6A
  95 #define Q931_NOTIFY               0x6E
  96 #define Q931_FACILITY_REJECT      0x72
  97 #define Q931_STATUS_ENQUIRY       0x75
  98 #define Q931_CONGESTION_CONTROL   0x79
  99 #define Q931_INFORMATION          0x7B
 100 #define Q931_STATUS               0x7D
 101
 102 /*
 103  * Maintenance message types.
 104  * AT&T TR41459, Nortel NIS A211-1, Telcordia SR-4994, ...
 105  */
 106 #define DMS_SERVICE_ACKNOWLEDGE     0x07
 107 #define DMS_SERVICE     0x0F
 108
 109 #endif