2 * Routines for MTP2 User Adaptation Layer dissection
3 * It is hopefully (needs testing) compliant to
4 * http://www.ietf.org/rfc/rfc3331.txt
5 * To do: - provide better handling of length parameters
7 * Copyright 2002, Michael Tuexen <tuexen [AT] fh-muenster.de>
9 * Wireshark - Network traffic analyzer
10 * By Gerald Combs <gerald@wireshark.org>
11 * Copyright 1998 Gerald Combs
13 * Copied from README.developer
15 * SPDX-License-Identifier: GPL-2.0-or-later
20 #include <epan/packet.h>
21 #include <epan/prefs.h>
22 #include <epan/sctpppids.h>
24 #include <wsutil/str_util.h>
26 void proto_register_m2ua(void);
27 void proto_reg_handoff_m2ua(void);
29 #define SCTP_PORT_M2UA 2904
31 /* Initialize the protocol and registered fields */
32 static int proto_m2ua = -1;
33 static int hf_version = -1;
34 static int hf_reserved = -1;
35 static int hf_message_class = -1;
36 static int hf_message_type = -1;
37 static int hf_message_length = -1;
38 static int hf_parameter_tag = -1;
39 static int hf_parameter_length = -1;
40 static int hf_parameter_value = -1;
41 static int hf_parameter_padding = -1;
42 static int hf_interface_id_int = -1;
43 static int hf_interface_id_text = -1;
44 static int hf_info_string = -1;
45 static int hf_diagnostic_information = -1;
46 static int hf_interface_id_start = -1;
47 static int hf_interface_id_stop = -1;
48 static int hf_heartbeat_data = -1;
49 static int hf_traffic_mode_type = -1;
50 static int hf_error_code = -1;
51 static int hf_status_type = -1;
52 static int hf_status_ident = -1;
53 static int hf_asp_id = -1;
54 static int hf_correlation_id = -1;
55 static int hf_data_2_li = -1;
56 static int hf_state = -1;
57 static int hf_event = -1;
58 static int hf_congestion_status = -1;
59 static int hf_discard_status = -1;
60 static int hf_action = -1;
61 static int hf_sequence_number = -1;
62 static int hf_retrieval_result = -1;
63 static int hf_local_lk_id = -1;
64 static int hf_sdt_reserved = -1;
65 static int hf_sdt_id = -1;
66 static int hf_sdl_reserved = -1;
67 static int hf_sdl_id = -1;
68 static int hf_registration_status = -1;
69 static int hf_deregistration_status = -1;
71 /* Initialize the subtree pointers */
72 static gint ett_m2ua = -1;
73 static gint ett_m2ua_parameter = -1;
75 static dissector_handle_t mtp3_handle;
76 static dissector_handle_t m2ua_handle;
79 dissect_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *);
81 #define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
83 #define VERSION_LENGTH 1
84 #define RESERVED_LENGTH 1
85 #define MESSAGE_CLASS_LENGTH 1
86 #define MESSAGE_TYPE_LENGTH 1
87 #define MESSAGE_LENGTH_LENGTH 4
88 #define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
89 MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
91 #define VERSION_OFFSET 0
92 #define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
93 #define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
94 #define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
95 #define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
97 #define PROTOCOL_VERSION_RELEASE_1 1
99 static const value_string protocol_version_values[] = {
100 { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
103 #define MESSAGE_CLASS_MGMT_MESSAGE 0
104 #define MESSAGE_CLASS_ASPSM_MESSAGE 3
105 #define MESSAGE_CLASS_ASPTM_MESSAGE 4
106 #define MESSAGE_CLASS_MAUP_MESSAGE 6
107 #define MESSAGE_CLASS_IIM_MESSAGE 10
109 static const value_string message_class_values[] = {
110 { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
111 { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
112 { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
113 { MESSAGE_CLASS_MAUP_MESSAGE, "MTP2 user adaptation messages" },
114 { MESSAGE_CLASS_IIM_MESSAGE, "Interface identifier management messages" },
118 #define MESSAGE_TYPE_ERR 0
119 #define MESSAGE_TYPE_NTFY 1
122 #define MESSAGE_TYPE_UP 1
123 #define MESSAGE_TYPE_DOWN 2
124 #define MESSAGE_TYPE_BEAT 3
125 #define MESSAGE_TYPE_UP_ACK 4
126 #define MESSAGE_TYPE_DOWN_ACK 5
127 #define MESSAGE_TYPE_BEAT_ACK 6
130 #define MESSAGE_TYPE_ACTIVE 1
131 #define MESSAGE_TYPE_INACTIVE 2
132 #define MESSAGE_TYPE_ACTIVE_ACK 3
133 #define MESSAGE_TYPE_INACTIVE_ACK 4
136 #define MESSAGE_TYPE_DATA 1
137 #define MESSAGE_TYPE_ESTAB_REQ 2
138 #define MESSAGE_TYPE_ESTAB_CONF 3
139 #define MESSAGE_TYPE_REL_REQ 4
140 #define MESSAGE_TYPE_REL_CONF 5
141 #define MESSAGE_TYPE_REL_IND 6
142 #define MESSAGE_TYPE_STATE_REQ 7
143 #define MESSAGE_TYPE_STATE_CONF 8
144 #define MESSAGE_TYPE_STATE_IND 9
145 #define MESSAGE_TYPE_DATA_RETR_REQ 10
146 #define MESSAGE_TYPE_DATA_RETR_CONF 11
147 #define MESSAGE_TYPE_DATA_RETR_IND 12
148 #define MESSAGE_TYPE_DATA_RETR_COMP_IND 13
149 #define MESSAGE_TYPE_CONG_IND 14
150 #define MESSAGE_TYPE_DATA_ACK 15
153 #define MESSAGE_TYPE_REG_REQ 1
154 #define MESSAGE_TYPE_REG_RSP 2
155 #define MESSAGE_TYPE_DEREG_REQ 3
156 #define MESSAGE_TYPE_DEREG_RSP 4
158 static const value_string message_class_type_values[] = {
159 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" },
160 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" },
161 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" },
162 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" },
163 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" },
164 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" },
165 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" },
166 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" },
167 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" },
168 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" },
169 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" },
170 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" },
171 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA (DATA)" },
172 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "Establish request (ESTAB_REQ)" },
173 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "Establish confirm (ESTAB_CONF)" },
174 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "Release request (REL_REQ)" },
175 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "Release confirm (REL_CONF)" },
176 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "Release indication (REL_IND)" },
177 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "State request (STATE_REQ)" },
178 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "State confirm (STATE_CONF)" },
179 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "State indication (STATE_IND)" },
180 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "Data retrieval request (DATA_RETR_REQ)" },
181 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "Data retrieval confirm (DATA_RETR_CONF)" },
182 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "Data retrieval indication (DATA_RETR_IND)" },
183 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "Data retrieval complete indication (DATA_RETR_COMP_IND)" },
184 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "Congestion indication (CONG_IND)" },
185 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "Data acknowledge (DATA_ACK)" },
186 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration request (REG_REQ)" },
187 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registration response (REG_RSP)" },
188 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration request (DEREG_REQ)" },
189 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistration response (DEREG_RSP)" },
192 static const value_string message_class_type_acro_values[] = {
193 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
194 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
195 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
196 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
197 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
198 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
199 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
200 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
201 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
202 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
203 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
204 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
205 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA" },
206 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "ESTAB_REQ" },
207 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "ESTAB_CONF" },
208 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "REL_REQ" },
209 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "REL_CONF" },
210 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "REL_IND" },
211 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "STATE_REQ" },
212 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "STATE_CONF" },
213 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "STATE_IND" },
214 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "DATA_RETR_REQ" },
215 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "DATA_RETR_CONF" },
216 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "DATA_RETR_IND" },
217 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "DATA_RETR_COMP_IND" },
218 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "CONG_IND" },
219 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "DATA_ACK" },
220 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" },
221 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" },
222 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" },
223 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" },
227 dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m2ua_tree)
229 guint8 message_class, message_type;
231 /* Extract the common header */
232 message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
233 message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
235 col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str_const(message_class * 256 + message_type, message_class_type_acro_values, "reserved"));
238 /* add the components of the common header to the protocol tree */
239 proto_tree_add_item(m2ua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, ENC_BIG_ENDIAN);
240 proto_tree_add_item(m2ua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, ENC_BIG_ENDIAN);
241 proto_tree_add_item(m2ua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, ENC_BIG_ENDIAN);
242 proto_tree_add_uint_format_value(m2ua_tree, hf_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type,
244 val_to_str_const(message_class * 256 + message_type, message_class_type_values, "reserved"), message_type);
245 proto_tree_add_item(m2ua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
249 #define PARAMETER_TAG_LENGTH 2
250 #define PARAMETER_LENGTH_LENGTH 2
251 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
253 #define PARAMETER_TAG_OFFSET 0
254 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
255 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
256 #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
259 #define INT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
260 #define INT_INTERFACE_ID_LENGTH 4
263 dissect_interface_identifier_int_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
265 proto_tree_add_item(parameter_tree, hf_interface_id_int, parameter_tvb, INT_INTERFACE_ID_OFFSET, INT_INTERFACE_ID_LENGTH, ENC_BIG_ENDIAN);
266 proto_item_append_text(parameter_item, " (%d)", tvb_get_ntohl(parameter_tvb, INT_INTERFACE_ID_OFFSET));
269 #define TEXT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
272 dissect_interface_identifier_text_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
274 guint16 interface_id_length;
276 interface_id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
278 proto_tree_add_item(parameter_tree, hf_interface_id_text, parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length, ENC_ASCII|ENC_NA);
279 proto_item_append_text(parameter_item, " (%.*s)", interface_id_length,
280 tvb_format_text(parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length));
283 #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
286 dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
288 guint16 info_string_length;
290 info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
291 proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, ENC_ASCII|ENC_NA);
292 proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
293 tvb_format_text(parameter_tvb, INFO_STRING_OFFSET, info_string_length));
296 #define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET
299 dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
301 guint16 diag_info_length;
303 diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
304 proto_tree_add_item(parameter_tree, hf_diagnostic_information, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diag_info_length, ENC_NA);
305 proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
308 #define START_LENGTH 4
310 #define INTERVAL_LENGTH (START_LENGTH + END_LENGTH)
312 #define START_OFFSET 0
313 #define END_OFFSET (START_OFFSET + START_LENGTH)
316 dissect_interface_identifier_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
318 guint16 number_of_ranges, range_number;
321 number_of_ranges = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / INTERVAL_LENGTH;
322 offset = PARAMETER_VALUE_OFFSET;
323 for(range_number = 0; range_number < number_of_ranges; range_number++) {
324 proto_tree_add_item(parameter_tree, hf_interface_id_start, parameter_tvb, offset + START_OFFSET, START_LENGTH, ENC_BIG_ENDIAN);
325 proto_tree_add_item(parameter_tree, hf_interface_id_stop, parameter_tvb, offset + END_OFFSET, END_LENGTH, ENC_BIG_ENDIAN);
326 offset += INTERVAL_LENGTH;
329 proto_item_append_text(parameter_item, " (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
332 #define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
335 dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
337 guint16 heartbeat_data_length;
339 heartbeat_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
340 proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, ENC_NA);
341 proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
344 #define OVER_RIDE_TYPE 1
345 #define LOAD_SHARE_TYPE 2
346 #define BROADCAST_TYPE 3
348 static const value_string traffic_mode_type_values[] = {
349 { OVER_RIDE_TYPE , "Override" },
350 { LOAD_SHARE_TYPE, "Load-share" },
351 { BROADCAST_TYPE, "Broadcast" },
354 #define TRAFFIC_MODE_TYPE_LENGTH 4
355 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
358 dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
360 proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, ENC_BIG_ENDIAN);
361 proto_item_append_text(parameter_item, " (%s)",
362 val_to_str_const(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "unknown"));
365 #define INVALID_VERSION_ERROR_CODE 0x01
366 #define INVALID_INTERFACE_IDENTIFIER_ERROR_CODE 0x02
367 #define UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 0x03
368 #define UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 0x04
369 #define UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE 0x05
370 #define UNEXPECTED_MESSAGE_ERROR_CODE 0x06
371 #define PROTOCOL_ERROR_ERROR_CODE 0x07
372 #define UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE 0x08
373 #define INVALID_STREAM_IDENTIFIER_ERROR_CODE 0x09
374 #define REFUSED_ERROR_CODE 0x0d
375 #define ASP_IDENTIFIER_REQUIRED_ERROR_CODE 0x0e
376 #define INVALID_ASP_IDENTIFIER_ERROR_CODE 0x0f
377 #define ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE 0x10
378 #define INVALID_PARAMETER_VALUE_ERROR_CODE 0x11
379 #define PARAMETER_FIELD_ERROR_CODE 0x12
380 #define UNEXPECTED_PARAMETER_ERROR_CODE 0x13
381 #define MISSING_PARAMETER_ERROR_CODE 0x16
383 static const value_string error_code_values[] = {
384 { INVALID_VERSION_ERROR_CODE, "Invalid version" },
385 { INVALID_INTERFACE_IDENTIFIER_ERROR_CODE, "Invalid interface identifier" },
386 { UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" },
387 { UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" },
388 { UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Unsupported traffic handling mode" },
389 { UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" },
390 { PROTOCOL_ERROR_ERROR_CODE, "Protocol error" },
391 { UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE, "Unsupported interface identifier type" },
392 { INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" },
393 { REFUSED_ERROR_CODE, "Refused - management blocking" },
394 { ASP_IDENTIFIER_REQUIRED_ERROR_CODE, "ASP identifier required" },
395 { INVALID_ASP_IDENTIFIER_ERROR_CODE, "Invalid ASP identifier" },
396 { ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE, "ASP active for interface identifier" },
397 { INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" },
398 { PARAMETER_FIELD_ERROR_CODE, "Parameter field error" },
399 { UNEXPECTED_PARAMETER_ERROR_CODE, "Unexpected parameter" },
400 { MISSING_PARAMETER_ERROR_CODE, "Missing parameter" },
403 #define ERROR_CODE_LENGTH 4
404 #define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
407 dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
409 proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, ENC_BIG_ENDIAN);
410 proto_item_append_text(parameter_item, " (%s)",
411 val_to_str_const(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), error_code_values, "unknown"));
414 #define AS_STATE_CHANGE_TYPE 1
417 static const value_string status_type_values[] = {
418 { AS_STATE_CHANGE_TYPE, "Application server state change" },
419 { OTHER_TYPE, "Other" },
422 #define RESERVED_INFO 1
423 #define AS_INACTIVE_INFO 2
424 #define AS_ACTIVE_INFO 3
425 #define AS_PENDING_INFO 4
427 #define INSUFFICIENT_ASP_RES_INFO 1
428 #define ALTERNATE_ASP_ACTIVE_INFO 2
429 #define ASP_FAILURE_INFO 3
431 static const value_string status_type_id_values[] = {
432 { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
433 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
434 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
435 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
436 { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
437 { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
438 { OTHER_TYPE * 256 * 256 + ASP_FAILURE_INFO, "ASP Failure" },
441 #define STATUS_TYPE_LENGTH 2
442 #define STATUS_IDENT_LENGTH 2
444 #define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
445 #define STATUS_IDENT_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
448 dissect_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
450 guint16 status_type, status_id;
452 status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
453 status_id = tvb_get_ntohs(parameter_tvb, STATUS_IDENT_OFFSET);
455 proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, ENC_BIG_ENDIAN);
456 proto_tree_add_uint_format(parameter_tree, hf_status_ident, parameter_tvb, STATUS_IDENT_OFFSET, STATUS_IDENT_LENGTH,
457 status_id, "Status identification: %u (%s)", status_id,
458 val_to_str_const(status_type * 256 * 256 + status_id, status_type_id_values, "unknown"));
460 proto_item_append_text(parameter_item, " (%s)",
461 val_to_str_const(status_type * 256 * 256 + status_id, status_type_id_values, "unknown status information"));
464 #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
465 #define ASP_IDENTIFIER_LENGTH 4
468 dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
470 proto_tree_add_item(parameter_tree, hf_asp_id, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, ENC_BIG_ENDIAN);
471 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET));
474 #define CORRELATION_ID_LENGTH 4
475 #define CORRELATION_ID_OFFSET PARAMETER_VALUE_OFFSET
478 dissect_correlation_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
480 proto_tree_add_item(parameter_tree, hf_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, ENC_BIG_ENDIAN);
481 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET));
484 #define DATA_1_MTP3_OFFSET PARAMETER_VALUE_OFFSET
487 dissect_protocol_data_1_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_item *parameter_item)
489 tvbuff_t *payload_tvb;
490 guint32 payload_length;
492 payload_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
494 payload_tvb = tvb_new_subset_length(parameter_tvb, DATA_1_MTP3_OFFSET, payload_length);
495 proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH);
496 call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
498 proto_item_set_text(parameter_item, "Data 1 parameter");
501 #define DATA_2_LI_LENGTH 1
502 #define DATA_2_LI_OFFSET PARAMETER_VALUE_OFFSET
503 #define DATA_2_MTP3_OFFSET (DATA_2_LI_OFFSET + DATA_2_LI_LENGTH)
506 dissect_protocol_data_2_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
508 tvbuff_t *payload_tvb;
509 guint32 payload_length;
511 payload_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH - DATA_2_LI_LENGTH;
513 proto_tree_add_item(parameter_tree, hf_data_2_li, parameter_tvb, DATA_2_LI_OFFSET, DATA_2_LI_LENGTH, ENC_BIG_ENDIAN);
514 payload_tvb = tvb_new_subset_length(parameter_tvb, DATA_2_MTP3_OFFSET, payload_length);
515 proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_2_LI_LENGTH);
516 call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
520 #define STATUS_LPO_SET 0x0
521 #define STATUS_LPO_CLEAR 0x1
522 #define STATUS_EMER_SET 0x2
523 #define STATUS_EMER_CLEAR 0x3
524 #define STATUS_FLUSH_BUFFERS 0x4
525 #define STATUS_CONTINUE 0x5
526 #define STATUS_CLEAR_RTB 0x6
527 #define STATUS_AUDIT 0x7
528 #define STATUS_CONG_CLEAR 0x8
529 #define STATUS_CONG_ACCEPT 0x9
530 #define STATUS_CONG_DISCARD 0xa
532 static const value_string state_values[] = {
533 { STATUS_LPO_SET, "Request local processor outage" },
534 { STATUS_LPO_CLEAR, "Request local processor outage recovered" },
535 { STATUS_EMER_SET, "Request emergency alignment" },
536 { STATUS_EMER_CLEAR, "Request normal alignment (cancel emergency)" },
537 { STATUS_FLUSH_BUFFERS, "Flush or clear receive, transmit and retransmit queues" },
538 { STATUS_CONTINUE, "Continue or Resume" },
539 { STATUS_CLEAR_RTB, "Clear the retransmit queue" },
540 { STATUS_AUDIT, "Audit state of link" },
541 { STATUS_CONG_CLEAR, "Congestion cleared" },
542 { STATUS_CONG_ACCEPT, "Congestion accept" },
543 { STATUS_CONG_DISCARD, "Congestion discard" },
546 #define STATE_LENGTH 4
547 #define STATE_OFFSET PARAMETER_VALUE_OFFSET
550 dissect_state_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
552 proto_tree_add_item(parameter_tree, hf_state, parameter_tvb, STATE_OFFSET, STATE_LENGTH, ENC_BIG_ENDIAN);
553 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, STATE_OFFSET), state_values, "unknown"));
556 #define EVENT_RPO_ENTER 0x1
557 #define EVENT_RPO_EXIT 0x2
558 #define EVENT_LPO_ENTER 0x3
559 #define EVENT_LPO_EXIT 0x4
561 static const value_string event_values[] = {
562 { EVENT_RPO_ENTER, "Remote entered processor outage" },
563 { EVENT_RPO_EXIT, "Remote exited processor outage" },
564 { EVENT_LPO_ENTER, "Link entered processor outage" },
565 { EVENT_LPO_EXIT, "Link exited processor outage" },
568 #define EVENT_LENGTH 4
569 #define EVENT_OFFSET PARAMETER_VALUE_OFFSET
572 dissect_state_event_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
574 proto_tree_add_item(parameter_tree, hf_event, parameter_tvb, EVENT_OFFSET, EVENT_LENGTH, ENC_BIG_ENDIAN);
575 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, STATE_OFFSET), event_values, "unknown"));
578 #define LEVEL_NONE 0x0
583 static const value_string level_values[] = {
584 { LEVEL_NONE, "No congestion" },
585 { LEVEL_1, "Congestion Level 1" },
586 { LEVEL_2, "Congestion Level 2" },
587 { LEVEL_3, "Congestion Level 3" },
590 #define CONGESTION_STATUS_LENGTH 4
591 #define CONGESTION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
594 dissect_congestion_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
596 proto_tree_add_item(parameter_tree, hf_congestion_status, parameter_tvb, CONGESTION_STATUS_OFFSET, CONGESTION_STATUS_LENGTH, ENC_BIG_ENDIAN);
597 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, CONGESTION_STATUS_OFFSET), level_values, "unknown"));
600 #define DISCARD_STATUS_LENGTH 4
601 #define DISCARD_STATUS_OFFSET PARAMETER_VALUE_OFFSET
604 dissect_discard_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
606 proto_tree_add_item(parameter_tree, hf_discard_status, parameter_tvb, DISCARD_STATUS_OFFSET, DISCARD_STATUS_LENGTH, ENC_BIG_ENDIAN);
607 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, DISCARD_STATUS_OFFSET), level_values, "unknown"));
610 #define ACTION_RTRV_BSN 0x1
611 #define ACTION_RTRV_MSGS 0x2
613 static const value_string action_values[] = {
614 { ACTION_RTRV_BSN, "Retrieve the backward sequence number" },
615 { ACTION_RTRV_MSGS, "Retrieve the PDUs from the transmit and retransmit queues" },
619 #define ACTION_LENGTH 4
620 #define ACTION_OFFSET PARAMETER_VALUE_OFFSET
623 dissect_action_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
625 proto_tree_add_item(parameter_tree, hf_action, parameter_tvb, ACTION_OFFSET, ACTION_LENGTH, ENC_BIG_ENDIAN);
626 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, ACTION_OFFSET), action_values, "unknown"));
629 #define SEQUENCE_NUMBER_LENGTH 4
630 #define SEQUENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
633 dissect_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
635 proto_tree_add_item(parameter_tree, hf_sequence_number, parameter_tvb, SEQUENCE_NUMBER_OFFSET, SEQUENCE_NUMBER_LENGTH, ENC_BIG_ENDIAN);
636 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, SEQUENCE_NUMBER_OFFSET));
639 #define RESULT_SUCCESS 0x0
640 #define RESULT_FAILURE 0x1
642 static const value_string retrieval_result_values[] = {
643 { RESULT_SUCCESS, "Action successful" },
644 { RESULT_FAILURE , "Action failed" },
648 #define RETRIEVAL_RESULT_LENGTH 4
649 #define RETRIEVAL_RESULT_OFFSET PARAMETER_VALUE_OFFSET
652 dissect_retrieval_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
654 proto_tree_add_item(parameter_tree, hf_retrieval_result, parameter_tvb, RETRIEVAL_RESULT_OFFSET, RETRIEVAL_RESULT_LENGTH, ENC_BIG_ENDIAN);
655 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, RETRIEVAL_RESULT_OFFSET), retrieval_result_values, "unknown"));
659 dissect_link_key_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
661 tvbuff_t *parameters_tvb;
662 guint16 parameters_length;
664 parameters_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
665 parameters_tvb = tvb_new_subset_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
666 dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
669 #define LOCAL_LK_ID_LENGTH 4
670 #define LOCAL_LK_ID_OFFSET PARAMETER_VALUE_OFFSET
673 dissect_local_lk_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
675 proto_tree_add_item(parameter_tree, hf_local_lk_id, parameter_tvb, LOCAL_LK_ID_OFFSET, LOCAL_LK_ID_LENGTH, ENC_BIG_ENDIAN);
676 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, LOCAL_LK_ID_OFFSET));
679 #define SDT_RESERVED_LENGTH 2
680 #define SDT_ID_LENGTH 2
681 #define SDT_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
682 #define SDT_ID_OFFSET (SDT_RESERVED_OFFSET + SDT_RESERVED_LENGTH)
685 dissect_sdt_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
687 proto_tree_add_item(parameter_tree, hf_sdt_reserved, parameter_tvb, SDT_RESERVED_OFFSET, SDT_RESERVED_LENGTH, ENC_BIG_ENDIAN);
688 proto_tree_add_item(parameter_tree, hf_sdt_id, parameter_tvb, SDT_ID_OFFSET, SDT_ID_LENGTH, ENC_BIG_ENDIAN);
689 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohs(parameter_tvb, SDT_ID_OFFSET));
692 #define SDL_RESERVED_LENGTH 2
693 #define SDL_ID_LENGTH 2
694 #define SDL_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
695 #define SDL_ID_OFFSET (SDL_RESERVED_OFFSET + SDL_RESERVED_LENGTH)
698 dissect_sdl_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
700 proto_tree_add_item(parameter_tree, hf_sdl_reserved, parameter_tvb, SDL_RESERVED_OFFSET, SDL_RESERVED_LENGTH, ENC_BIG_ENDIAN);
701 proto_tree_add_item(parameter_tree, hf_sdl_id, parameter_tvb, SDL_ID_OFFSET, SDL_ID_LENGTH, ENC_BIG_ENDIAN);
702 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohs(parameter_tvb, SDL_ID_OFFSET));
706 dissect_registration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
708 tvbuff_t *parameters_tvb;
709 guint16 parameters_length;
711 parameters_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
712 parameters_tvb = tvb_new_subset_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
713 dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
716 #define SUCCESSFULL_REGISTRATION_STATUS 0
717 #define UNKNOWN_REGISTRATION_STATUS 1
718 #define INVALID_SDLI_REGISTRATION_STATUS 2
719 #define INVALID_SDTI_REGISTRATION_STATUS 3
720 #define INVALID_LINK_KEY_REGISTRATION_STATUS 4
721 #define PERMISSION_DENIED_REGISTRATION_STATUS 5
722 #define OVERLAPPING_LINK_KEY_REGISTRATION_STATUS 6
723 #define LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS 7
724 #define INSUFFICIENT_RESOURCES_REGISTRATION_STATUS 8
726 static const value_string registration_status_values[] = {
727 { SUCCESSFULL_REGISTRATION_STATUS, "Successfully registered" },
728 { UNKNOWN_REGISTRATION_STATUS, "Error - Unknown" },
729 { INVALID_SDLI_REGISTRATION_STATUS, "Error - Invalid SDLI" },
730 { INVALID_SDTI_REGISTRATION_STATUS, "Error - Invalid SDTI" },
731 { INVALID_LINK_KEY_REGISTRATION_STATUS, "Error - Invalid link key" },
732 { PERMISSION_DENIED_REGISTRATION_STATUS, "Error - Permission denied" },
733 { OVERLAPPING_LINK_KEY_REGISTRATION_STATUS, "Error - Overlapping (Non-unique) link key" },
734 { LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS, "Error - Link key not provisioned" },
735 { INSUFFICIENT_RESOURCES_REGISTRATION_STATUS, "Error - Insufficient resources" },
738 #define REGISTRATION_STATUS_LENGTH 4
739 #define REGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
742 dissect_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
744 proto_tree_add_item(parameter_tree, hf_registration_status, parameter_tvb, REGISTRATION_STATUS_OFFSET, REGISTRATION_STATUS_LENGTH, ENC_BIG_ENDIAN);
745 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, REGISTRATION_STATUS_OFFSET), registration_status_values, "unknown"));
749 dissect_deregistration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
751 tvbuff_t *parameters_tvb;
752 guint16 parameters_length;
754 parameters_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
755 parameters_tvb = tvb_new_subset_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
756 dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
759 #define SUCCESSFULL_DEREGISTRATION_STATUS 0
760 #define UNKNOWN_DEREGISTRATION_STATUS 1
761 #define INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS 2
762 #define PERMISSION_DENIED_DEREGISTRATION_STATUS 3
763 #define NOT_REGISTRED_DEREGISTRATION_STATUS 4
765 static const value_string deregistration_status_values[] = {
766 { SUCCESSFULL_DEREGISTRATION_STATUS, "Successfully deregistered" },
767 { UNKNOWN_DEREGISTRATION_STATUS, "Error - Unknown" },
768 { INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS, "Error - Invalid interface identifier" },
769 { PERMISSION_DENIED_DEREGISTRATION_STATUS, "Error - Permission denied" },
770 { NOT_REGISTRED_DEREGISTRATION_STATUS, "Error - Not registered" },
773 #define DEREGISTRATION_STATUS_LENGTH 4
774 #define DEREGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
777 dissect_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
779 proto_tree_add_item(parameter_tree, hf_deregistration_status, parameter_tvb, DEREGISTRATION_STATUS_OFFSET, DEREGISTRATION_STATUS_LENGTH, ENC_BIG_ENDIAN);
780 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, DEREGISTRATION_STATUS_OFFSET), deregistration_status_values, "unknown"));
784 dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
786 guint16 parameter_value_length;
788 parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
789 if (parameter_value_length > 0)
790 proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, ENC_NA);
791 proto_item_append_text(parameter_item, " with tag %u and %u byte%s value",
792 tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
795 /* Common parameter tags */
796 #define INTERFACE_IDENTIFIER_INT_PARAMETER_TAG 0x0001
797 #define INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG 0x0003
798 #define INFO_STRING_PARAMETER_TAG 0x0004
799 #define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007
800 #define INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG 0x0008
801 #define HEARTBEAT_DATA_PARAMETER_TAG 0x0009
802 #define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b
803 #define ERROR_CODE_PARAMETER_TAG 0x000c
804 #define STATUS_PARAMETER_TAG 0x000d
805 #define ASP_IDENTIFIER_PARAMETER_TAG 0x0011
806 #define CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0013
808 /* M2PA specific parameter tags */
809 #define PROTOCOL_DATA_1_PARAMETER_TAG 0x0300
810 #define PROTOCOL_DATA_2_PARAMETER_TAG 0x0301
811 #define STATE_REQUEST_PARAMETER_TAG 0x0302
812 #define STATE_EVENT_PARAMETER_TAG 0x0303
813 #define CONGESTION_STATUS_PARAMETER_TAG 0x0304
814 #define DISCARD_STATUS_PARAMETER_TAG 0x0305
815 #define ACTION_PARAMETER_TAG 0x0306
816 #define SEQUENCE_NUMBER_PARAMETER_TAG 0x0307
817 #define RETRIEVAL_RESULT_PARAMETER_TAG 0x0308
818 #define LINK_KEY_PARAMETER_TAG 0x0309
819 #define LOCAL_LK_IDENTIFIER_PARAMETER_TAG 0x030a
820 #define SDT_IDENTIFIER_PARAMETER_TAG 0x030b
821 #define SDL_IDENTIFIER_PARAMETER_TAG 0x030c
822 #define REG_RESULT_PARAMETER_TAG 0x030d
823 #define REG_STATUS_PARAMETER_TAG 0x030e
824 #define DEREG_RESULT_PARAMETER_TAG 0x030f
825 #define DEREG_STATUS_PARAMETER_TAG 0x0310
827 static const value_string parameter_tag_values[] = {
828 { INTERFACE_IDENTIFIER_INT_PARAMETER_TAG, "Interface identifier (integer)" },
829 { INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG, "Interface identifier (text)" },
830 { INFO_STRING_PARAMETER_TAG, "Info string" },
831 { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
832 { INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG, "Interface identifier (integer range)" },
833 { HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
834 { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
835 { ERROR_CODE_PARAMETER_TAG, "Error code" },
836 { STATUS_PARAMETER_TAG, "Status type / information" },
837 { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" },
838 { CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" },
839 { PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" },
840 { PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" },
841 { STATE_REQUEST_PARAMETER_TAG, "State request" },
842 { STATE_EVENT_PARAMETER_TAG, "State event" },
843 { CONGESTION_STATUS_PARAMETER_TAG, "Congestion state" },
844 { DISCARD_STATUS_PARAMETER_TAG, "Discard state" },
845 { ACTION_PARAMETER_TAG, "Action" },
846 { SEQUENCE_NUMBER_PARAMETER_TAG, "Sequence number" },
847 { RETRIEVAL_RESULT_PARAMETER_TAG, "Retrieval result" },
848 { LINK_KEY_PARAMETER_TAG, "Link key" },
849 { LOCAL_LK_IDENTIFIER_PARAMETER_TAG, "Local LK identifier" },
850 { SDT_IDENTIFIER_PARAMETER_TAG, "SDT identifier" },
851 { SDL_IDENTIFIER_PARAMETER_TAG, "SDL identifier" },
852 { REG_RESULT_PARAMETER_TAG, "Registration result" },
853 { REG_STATUS_PARAMETER_TAG, "Registration status" },
854 { DEREG_RESULT_PARAMETER_TAG, "Deregistration result" },
855 { DEREG_STATUS_PARAMETER_TAG, "Deregistration status" },
859 * Default preference for 'Protocol Data 1 Parameter Tag' is RFC3331 value
860 * defined above (PROTOCOL_DATA_1_PARAMETER_TAG)
862 * The other option is the old Draft 7 value defined below.
864 #define PROTOCOL_DATA_1_DRAFT_7 0x000e
865 static gint protocol_data_1_global = PROTOCOL_DATA_1_PARAMETER_TAG;
868 dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
870 guint16 tag, length, padding_length;
871 proto_item *parameter_item;
872 proto_tree *parameter_tree;
874 /* extract tag and length from the parameter */
875 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
876 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
878 /* calculate padding and total length */
879 padding_length = tvb_reported_length(parameter_tvb) - length;
881 /* create proto_tree stuff */
882 parameter_tree = proto_tree_add_subtree(m2ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1,
883 ett_m2ua_parameter, ¶meter_item, val_to_str_const(tag, parameter_tag_values, "Unknown parameter"));
885 if ((protocol_data_1_global == PROTOCOL_DATA_1_DRAFT_7) &&
886 (tag == PROTOCOL_DATA_1_DRAFT_7))
888 proto_item *hidden_item;
889 hidden_item = proto_tree_add_uint(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, tag);
890 PROTO_ITEM_SET_HIDDEN(hidden_item);
892 /* add tag and length to the m2ua tree */
893 proto_tree_add_uint_format_value(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH,
894 tag, "Protocol data 1 (0x000e)");
896 proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
897 tag = PROTOCOL_DATA_1_PARAMETER_TAG;
901 /* add tag and length to the m2ua tree */
902 proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, ENC_BIG_ENDIAN);
903 proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
907 case INTERFACE_IDENTIFIER_INT_PARAMETER_TAG:
908 dissect_interface_identifier_int_parameter(parameter_tvb, parameter_tree, parameter_item);
910 case INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG:
911 dissect_interface_identifier_text_parameter(parameter_tvb, parameter_tree, parameter_item);
913 case INFO_STRING_PARAMETER_TAG:
914 dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
916 case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
917 dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
919 case INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG:
920 dissect_interface_identifier_range_parameter(parameter_tvb, parameter_tree, parameter_item);
922 case HEARTBEAT_DATA_PARAMETER_TAG:
923 dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
925 case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
926 dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
928 case ERROR_CODE_PARAMETER_TAG:
929 dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
931 case STATUS_PARAMETER_TAG:
932 dissect_status_parameter(parameter_tvb, parameter_tree, parameter_item);
934 case ASP_IDENTIFIER_PARAMETER_TAG:
935 dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
937 case CORRELATION_IDENTIFIER_PARAMETER_TAG:
938 dissect_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
940 case PROTOCOL_DATA_1_PARAMETER_TAG:
941 dissect_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item);
943 case PROTOCOL_DATA_2_PARAMETER_TAG:
944 dissect_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
946 case STATE_REQUEST_PARAMETER_TAG:
947 dissect_state_request_parameter(parameter_tvb, parameter_tree, parameter_item);
949 case STATE_EVENT_PARAMETER_TAG:
950 dissect_state_event_parameter(parameter_tvb, parameter_tree, parameter_item);
952 case CONGESTION_STATUS_PARAMETER_TAG:
953 dissect_congestion_status_parameter(parameter_tvb, parameter_tree, parameter_item);
955 case DISCARD_STATUS_PARAMETER_TAG:
956 dissect_discard_status_parameter(parameter_tvb, parameter_tree, parameter_item);
958 case ACTION_PARAMETER_TAG:
959 dissect_action_parameter(parameter_tvb, parameter_tree, parameter_item);
961 case SEQUENCE_NUMBER_PARAMETER_TAG:
962 dissect_sequence_number_parameter(parameter_tvb, parameter_tree, parameter_item);
964 case RETRIEVAL_RESULT_PARAMETER_TAG:
965 dissect_retrieval_result_parameter(parameter_tvb, parameter_tree, parameter_item);
967 case LINK_KEY_PARAMETER_TAG:
968 dissect_link_key_parameter(parameter_tvb, pinfo, tree, parameter_tree);
970 case LOCAL_LK_IDENTIFIER_PARAMETER_TAG:
971 dissect_local_lk_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
973 case SDT_IDENTIFIER_PARAMETER_TAG:
974 dissect_sdt_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
976 case SDL_IDENTIFIER_PARAMETER_TAG:
977 dissect_sdl_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
979 case REG_RESULT_PARAMETER_TAG:
980 dissect_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree);
982 case REG_STATUS_PARAMETER_TAG:
983 dissect_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
985 case DEREG_RESULT_PARAMETER_TAG:
986 dissect_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree);
988 case DEREG_STATUS_PARAMETER_TAG:
989 dissect_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
992 dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
996 if (padding_length > 0)
997 proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, ENC_NA);
1002 dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
1004 gint offset, length, total_length, remaining_length;
1005 tvbuff_t *parameter_tvb;
1008 while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) {
1009 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
1010 total_length = ADD_PADDING(length);
1011 if (remaining_length >= length)
1012 total_length = MIN(total_length, remaining_length);
1013 /* create a tvb for the parameter including the padding bytes */
1014 parameter_tvb = tvb_new_subset_length(parameters_tvb, offset, total_length);
1015 dissect_parameter(parameter_tvb, pinfo, tree, m2ua_tree);
1016 /* get rid of the handled parameter */
1017 offset += total_length;
1023 dissect_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
1025 tvbuff_t *common_header_tvb, *parameters_tvb;
1027 common_header_tvb = tvb_new_subset_length(message_tvb, 0, COMMON_HEADER_LENGTH);
1028 parameters_tvb = tvb_new_subset_remaining(message_tvb, COMMON_HEADER_LENGTH);
1029 dissect_common_header(common_header_tvb, pinfo, m2ua_tree);
1030 dissect_parameters(parameters_tvb, pinfo, tree, m2ua_tree);
1034 dissect_m2ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
1036 proto_item *m2ua_item;
1037 proto_tree *m2ua_tree;
1039 /* make entry in the Protocol column on summary display */
1040 col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2UA");
1042 /* create the m2ua protocol tree */
1043 m2ua_item = proto_tree_add_item(tree, proto_m2ua, message_tvb, 0, -1, ENC_NA);
1044 m2ua_tree = proto_item_add_subtree(m2ua_item, ett_m2ua);
1046 /* dissect the message */
1047 dissect_message(message_tvb, pinfo, tree, m2ua_tree);
1048 return tvb_captured_length(message_tvb);
1051 /* Register the protocol with Wireshark */
1053 proto_register_m2ua(void)
1056 /* Setup list of header fields */
1057 static hf_register_info hf[] = {
1058 { &hf_version, { "Version", "m2ua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, NULL, HFILL } },
1059 { &hf_reserved, { "Reserved", "m2ua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } },
1060 { &hf_message_class, { "Message class", "m2ua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, NULL, HFILL } },
1061 { &hf_message_type, { "Message Type", "m2ua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1062 { &hf_message_length, { "Message length", "m2ua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1063 { &hf_parameter_tag, { "Parameter Tag", "m2ua.parameter_tag", FT_UINT16, BASE_HEX, VALS(parameter_tag_values), 0x0, NULL, HFILL } },
1064 { &hf_parameter_length, { "Parameter length", "m2ua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1065 { &hf_parameter_value, { "Parameter value", "m2ua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
1066 { &hf_parameter_padding, { "Padding", "m2ua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
1067 { &hf_interface_id_int, { "Interface Identifier (integer)", "m2ua.interface_identifier_int", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1068 { &hf_interface_id_text, { "Interface identifier (text)", "m2ua.interface_identifier_text", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
1069 { &hf_info_string, { "Info string", "m2ua.info_string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
1070 { &hf_diagnostic_information, { "Diagnostic information", "m2ua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
1071 { &hf_interface_id_start, { "Interface Identifier (start)", "m2ua.interface_identifier_start", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1072 { &hf_interface_id_stop, { "Interface Identifier (stop)", "m2ua.interface_identifier_stop", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1073 { &hf_heartbeat_data, { "Heartbeat data", "m2ua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
1074 { &hf_traffic_mode_type, { "Traffic mode Type", "m2ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(traffic_mode_type_values), 0x0, NULL, HFILL } },
1075 { &hf_error_code, { "Error code", "m2ua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, NULL, HFILL } },
1076 { &hf_status_type, { "Status type", "m2ua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, NULL, HFILL } },
1077 { &hf_status_ident, { "Status info", "m2ua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1078 { &hf_asp_id, { "ASP identifier", "m2ua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1079 { &hf_correlation_id, { "Correlation identifier", "m2ua.correlation_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1080 { &hf_data_2_li, { "Length indicator", "m2ua.data_2_li", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1081 { &hf_state, { "State", "m2ua.state", FT_UINT32, BASE_DEC, VALS(state_values), 0x0, NULL, HFILL } },
1082 { &hf_event, { "Event", "m2ua.event", FT_UINT32, BASE_DEC, VALS(event_values), 0x0, NULL, HFILL } },
1083 { &hf_congestion_status, { "Congestion status", "m2ua.congestion_status", FT_UINT32, BASE_DEC, VALS(level_values), 0x0, NULL, HFILL } },
1084 { &hf_discard_status, { "Discard status", "m2ua.discard_status", FT_UINT32, BASE_DEC, VALS(level_values), 0x0, NULL, HFILL } },
1085 { &hf_action, { "Actions", "m2ua.action", FT_UINT32, BASE_DEC, VALS(action_values), 0x0, NULL, HFILL } },
1086 { &hf_sequence_number, { "Sequence number", "m2ua.sequence_number", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1087 { &hf_retrieval_result, { "Retrieval result", "m2ua.retrieval_result", FT_UINT32, BASE_DEC, VALS(retrieval_result_values), 0x0, NULL, HFILL } },
1088 { &hf_local_lk_id, { "Local LK identifier", "m2ua.local_lk_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1089 { &hf_sdt_reserved, { "Reserved", "m2ua.sdt_reserved", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } },
1090 { &hf_sdt_id, { "SDT identifier", "m2ua.sdt_identifier", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1091 { &hf_sdl_reserved, { "Reserved", "m2ua.sdl_reserved", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } },
1092 { &hf_sdl_id, { "SDL identifier", "m2ua.sdl_identifier", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
1093 { &hf_registration_status, { "Registration status", "m2ua.registration_status", FT_UINT32, BASE_DEC, VALS(registration_status_values), 0x0, NULL, HFILL } },
1094 { &hf_deregistration_status, { "Deregistration status", "m2ua.deregistration_status", FT_UINT32, BASE_DEC, VALS(deregistration_status_values), 0x0, NULL, HFILL } },
1097 /* Setup protocol subtree array */
1098 static gint *ett[] = {
1100 &ett_m2ua_parameter,
1103 static const enum_val_t protocol_data_1_options[] = {
1104 { "draft-7", "0x000e (Draft 7)", PROTOCOL_DATA_1_DRAFT_7 },
1105 { "rfc3331", "0x0300 (RFC3331)", PROTOCOL_DATA_1_PARAMETER_TAG },
1109 module_t *m2ua_module;
1111 /* Register the protocol name and description */
1112 proto_m2ua = proto_register_protocol("MTP 2 User Adaptation Layer", "M2UA", "m2ua");
1113 m2ua_handle = register_dissector("m2ua", dissect_m2ua, proto_m2ua);
1115 /* Required function calls to register the header fields and subtrees used */
1116 proto_register_field_array(proto_m2ua, hf, array_length(hf));
1117 proto_register_subtree_array(ett, array_length(ett));
1119 m2ua_module = prefs_register_protocol(proto_m2ua, NULL);
1121 prefs_register_enum_preference(m2ua_module,
1122 "protocol_data_1_tag",
1123 "Protocol Data 1 Parameter Tag",
1124 "The value of the parameter tag for protocol data 1",
1125 &protocol_data_1_global,
1126 protocol_data_1_options,
1131 proto_reg_handoff_m2ua(void)
1133 mtp3_handle = find_dissector_add_dependency("mtp3", proto_m2ua);
1134 dissector_add_uint("sctp.ppi", M2UA_PAYLOAD_PROTOCOL_ID, m2ua_handle);
1135 dissector_add_uint("sctp.port", SCTP_PORT_M2UA, m2ua_handle);
1139 * Editor modelines - http://www.wireshark.org/tools/modelines.html
1144 * indent-tabs-mode: nil
1147 * ex: set shiftwidth=2 tabstop=8 expandtab:
1148 * :indentSize=2:tabSize=8:noTabs=true: