2 * Definitions for Signalling Connection Control Part (SCCP) dissection
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #ifndef __PACKET_SCCP_H
26 #define __PACKET_SCCP_H
28 #define SCCP_MSG_TYPE_CR 0x01
29 #define SCCP_MSG_TYPE_CC 0x02
30 #define SCCP_MSG_TYPE_CREF 0x03
31 #define SCCP_MSG_TYPE_RLSD 0x04
32 #define SCCP_MSG_TYPE_RLC 0x05
33 #define SCCP_MSG_TYPE_DT1 0x06
34 #define SCCP_MSG_TYPE_DT2 0x07
35 #define SCCP_MSG_TYPE_AK 0x08
36 #define SCCP_MSG_TYPE_UDT 0x09
37 #define SCCP_MSG_TYPE_UDTS 0x0a
38 #define SCCP_MSG_TYPE_ED 0x0b
39 #define SCCP_MSG_TYPE_EA 0x0c
40 #define SCCP_MSG_TYPE_RSR 0x0d
41 #define SCCP_MSG_TYPE_RSC 0x0e
42 #define SCCP_MSG_TYPE_ERR 0x0f
43 #define SCCP_MSG_TYPE_IT 0x10
44 #define SCCP_MSG_TYPE_XUDT 0x11
45 #define SCCP_MSG_TYPE_XUDTS 0x12
46 #define SCCP_MSG_TYPE_LUDT 0x13
47 #define SCCP_MSG_TYPE_LUDTS 0x14
49 WS_VAR_IMPORT const value_string sccp_message_type_acro_values[];
50 WS_VAR_IMPORT const value_string sccp_release_cause_values[];
51 WS_VAR_IMPORT const value_string sccp_return_cause_values[];
52 WS_VAR_IMPORT const value_string sccp_reset_cause_values[];
53 WS_VAR_IMPORT const value_string sccp_error_cause_values[];
54 WS_VAR_IMPORT const value_string sccp_refusal_cause_values[];
56 /* from packet-sua.c */
57 WS_VAR_IMPORT const value_string sua_co_class_type_acro_values[];
59 typedef enum _sccp_payload_t {
66 typedef struct _sccp_msg_info_t {
75 struct _sccp_assoc_info_t* assoc;
76 struct _sccp_msg_info_t* next;
87 typedef struct _sccp_assoc_info_t {
95 sccp_msg_info_t* msgs;
96 sccp_msg_info_t* curr_msg;
98 sccp_payload_t payload;
102 guint32 app_info; /* used only by dissectors of protocols above SCCP */
106 extern void reset_sccp_assoc(void);
107 extern sccp_assoc_info_t* get_sccp_assoc(packet_info* pinfo, guint offset, guint32 src_lr, guint32 dst_lr, guint msg_type);
108 extern gboolean looks_like_valid_sccp(guint32 frame_num, tvbuff_t *tvb, guint8 my_mtp3_standard);
110 #define GT_SIGNAL_LENGTH 1
111 #define GT_ODD_SIGNAL_MASK 0x0f
112 #define GT_EVEN_SIGNAL_MASK 0xf0
113 #define GT_EVEN_SIGNAL_SHIFT 4
114 #define GT_MAX_SIGNALS (32*7) /* its a bit big, but it allows for adding a lot of "(spare)" and "Unknown" values (7 chars) if there are errors - e.g. ANSI vs ITU wrongly selected */
115 WS_VAR_IMPORT const value_string sccp_address_signal_values[];