2 * Routines for SS7 SCCP-User Adaptation Layer (SUA) dissection
3 * It is hopefully (needs testing) compilant to
4 * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-sua-14.txt
6 * Copyright 2002, 2003 Michael Tuexen <tuexen [AT] fh-muenster.de>
8 * $Id: packet-sua.c,v 1.16 2003/04/22 13:47:38 tuexen Exp $
10 * Ethereal - Network traffic analyzer
11 * By Gerald Combs <gerald@ethereal.com>
12 * Copyright 1998 Gerald Combs
14 * Copied from README.developer
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License
18 * as published by the Free Software Foundation; either version 2
19 * of the License, or (at your option) any later version.
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
35 #include <epan/packet.h>
37 #include "sctpppids.h"
39 #define NETWORK_BYTE_ORDER FALSE
40 #define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
41 #define SCTP_PORT_SUA 14001
43 #define RESERVED_1_LENGTH 1
44 #define RESERVED_2_LENGTH 2
45 #define RESERVED_3_LENGTH 3
47 #define VERSION_LENGTH 1
48 #define RESERVED_LENGTH 1
49 #define MESSAGE_CLASS_LENGTH 1
50 #define MESSAGE_TYPE_LENGTH 1
51 #define MESSAGE_LENGTH_LENGTH 4
52 #define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
53 MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
55 #define COMMON_HEADER_OFFSET 0
56 #define VERSION_OFFSET COMMON_HEADER_OFFSET
57 #define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
58 #define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
59 #define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
60 #define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
62 #define PARAMETER_TAG_LENGTH 2
63 #define PARAMETER_LENGTH_LENGTH 2
64 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
66 #define PARAMETER_TAG_OFFSET 0
67 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
68 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
69 #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
71 #define INFO_STRING_PARAMETER_TAG 0x0004
72 #define ROUTING_CONTEXT_PARAMETER_TAG 0x0006
73 #define DIAGNOSTIC_INFO_PARAMETER_TAG 0x0007
74 #define HEARTBEAT_DATA_PARAMETER_TAG 0x0009
75 #define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b
76 #define ERROR_CODE_PARAMETER_TAG 0x000c
77 #define STATUS_PARAMETER_TAG 0x000d
78 #define ASP_IDENTIFIER_PARAMETER_TAG 0x0011
79 #define AFFECTED_POINT_CODE_PARAMETER_TAG 0x0012
80 #define CORRELATION_ID_PARAMETER_TAG 0x0013
81 #define REGISTRATION_RESULT_PARAMETER_TAG 0x0014
82 #define DEREGISTRATION_RESULT_PARAMETER_TAG 0x0015
83 #define REGISTRATION_STATUS_PARAMETER_TAG 0x0016
84 #define DEREGISTRATION_STATUS_PARAMETER_TAG 0x0017
85 #define LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x0018
87 #define SS7_HOP_COUNTER_PARAMETER_TAG 0x0101
88 #define SOURCE_ADDRESS_PARAMETER_TAG 0x0102
89 #define DESTINATION_ADDRESS_PARAMETER_TAG 0x0103
90 #define SOURCE_REFERENCE_NUMBER_PARAMETER_TAG 0x0104
91 #define DESTINATION_REFERENCE_NUMBER_PARAMETER_TAG 0x0105
92 #define SCCP_CAUSE_PARAMETER_TAG 0x0106
93 #define SEQUENCE_NUMBER_PARAMETER_TAG 0x0107
94 #define RECEIVE_SEQUENCE_NUMBER_PARAMETER_TAG 0x0108
95 #define ASP_CAPABILITIES_PARAMETER_TAG 0x0109
96 #define CREDIT_PARAMETER_TAG 0x010a
97 #define DATA_PARAMETER_TAG 0x010b
98 #define USER_CAUSE_PARAMETER_TAG 0x010c
99 #define NETWORK_APPEARANCE_PARAMETER_TAG 0x010d
100 #define ROUTING_KEY_PARAMETER_TAG 0x010e
101 #define DRN_LABEL_PARAMETER_TAG 0x010f
102 #define TID_LABEL_PARAMETER_TAG 0x0110
103 #define ADDRESS_RANGE_PARAMETER_TAG 0x0111
104 #define SMI_PARAMETER_TAG 0x0112
105 #define IMPORTANCE_PARAMETER_TAG 0x0113
106 #define MESSAGE_PRIORITY_PARAMETER_TAG 0x0114
107 #define PROTOCOL_CLASS_PARAMETER_TAG 0x0115
108 #define SEQUENCE_CONTROL_PARAMETER_TAG 0x0116
109 #define SEGMENTATION_PARAMETER_TAG 0x0117
110 #define CONGESTION_LEVEL_PARAMETER_TAG 0x0118
112 #define GLOBAL_TITLE_PARAMETER_TAG 0x8001
113 #define POINT_CODE_PARAMETER_TAG 0x8002
114 #define SUBSYSTEM_NUMBER_PARAMETER_TAG 0x8003
115 #define IPV4_ADDRESS_PARAMETER_TAG 0x8004
116 #define HOSTNAME_PARAMETER_TAG 0x8005
117 #define IPV6_ADDRESS_PARAMETER_TAG 0x8006
119 static const value_string parameter_tag_values[] = {
120 { INFO_STRING_PARAMETER_TAG, "Info String" },
121 { ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" },
122 { DIAGNOSTIC_INFO_PARAMETER_TAG, "Diagnostic info" },
123 { HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
124 { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
125 { ERROR_CODE_PARAMETER_TAG, "Error code" },
126 { STATUS_PARAMETER_TAG, "Status" },
127 { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" },
128 { AFFECTED_POINT_CODE_PARAMETER_TAG, "Affected point code" },
129 { CORRELATION_ID_PARAMETER_TAG, "Correlation ID" },
130 { REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" },
131 { DEREGISTRATION_RESULT_PARAMETER_TAG, "Deregistration result" },
132 { REGISTRATION_STATUS_PARAMETER_TAG, "Registration status" },
133 { DEREGISTRATION_STATUS_PARAMETER_TAG, "Deregistration status" },
134 { LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" },
135 { SS7_HOP_COUNTER_PARAMETER_TAG, "SS7 hop counter" },
136 { SOURCE_ADDRESS_PARAMETER_TAG, "Source address" },
137 { DESTINATION_ADDRESS_PARAMETER_TAG, "Destination address" },
138 { SOURCE_REFERENCE_NUMBER_PARAMETER_TAG, "Source reference number" },
139 { DESTINATION_REFERENCE_NUMBER_PARAMETER_TAG, "Destination reference number" },
140 { SCCP_CAUSE_PARAMETER_TAG, "SCCP cause" },
141 { SEQUENCE_NUMBER_PARAMETER_TAG, "Sequence number" },
142 { RECEIVE_SEQUENCE_NUMBER_PARAMETER_TAG, "Receive sequence number" },
143 { ASP_CAPABILITIES_PARAMETER_TAG, "ASP capabilities" },
144 { CREDIT_PARAMETER_TAG, "Credit" },
145 { DATA_PARAMETER_TAG, "Data" },
146 { USER_CAUSE_PARAMETER_TAG, "User/Cause" },
147 { NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" },
148 { ROUTING_KEY_PARAMETER_TAG, "Routing key" },
149 { DRN_LABEL_PARAMETER_TAG, "DRN label" },
150 { TID_LABEL_PARAMETER_TAG, "TID label" },
151 { ADDRESS_RANGE_PARAMETER_TAG, "Address range" },
152 { SMI_PARAMETER_TAG, "SMI" },
153 { IMPORTANCE_PARAMETER_TAG, "Importance" },
154 { MESSAGE_PRIORITY_PARAMETER_TAG, "Message priority" },
155 { PROTOCOL_CLASS_PARAMETER_TAG, "Protocol class" },
156 { SEQUENCE_CONTROL_PARAMETER_TAG, "Sequence control" },
157 { SEGMENTATION_PARAMETER_TAG, "Segmentation" },
158 { CONGESTION_LEVEL_PARAMETER_TAG, "Congestion level" },
159 { GLOBAL_TITLE_PARAMETER_TAG, "Global title" },
160 { POINT_CODE_PARAMETER_TAG, "Point code" },
161 { SUBSYSTEM_NUMBER_PARAMETER_TAG, "Subsystem number" },
162 { IPV4_ADDRESS_PARAMETER_TAG, "IPv4 address" },
163 { HOSTNAME_PARAMETER_TAG, "Hostname" },
164 { IPV6_ADDRESS_PARAMETER_TAG, "IPv6 address" },
167 #define PROTOCOL_VERSION_RELEASE_1 1
169 static const value_string protocol_version_values[] = {
170 { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
173 #define MESSAGE_CLASS_MGMT_MESSAGE 0
174 #define MESSAGE_CLASS_TFER_MESSAGE 1
175 #define MESSAGE_CLASS_SSNM_MESSAGE 2
176 #define MESSAGE_CLASS_ASPSM_MESSAGE 3
177 #define MESSAGE_CLASS_ASPTM_MESSAGE 4
178 #define MESSAGE_CLASS_CL_MESSAGE 7
179 #define MESSAGE_CLASS_CO_MESSAGE 8
180 #define MESSAGE_CLASS_RKM_MESSAGE 9
182 static const value_string message_class_values[] = {
183 { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
184 { MESSAGE_CLASS_SSNM_MESSAGE, "SS7 signalling network management messages" },
185 { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
186 { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
187 { MESSAGE_CLASS_CL_MESSAGE, "Connectionless messages" },
188 { MESSAGE_CLASS_CO_MESSAGE, "Connection-Oriented messages" },
189 { MESSAGE_CLASS_RKM_MESSAGE, "Routing key management Messages" },
192 #define MESSAGE_TYPE_ERR 0
193 #define MESSAGE_TYPE_NTFY 1
195 #define MESSAGE_TYPE_DUNA 1
196 #define MESSAGE_TYPE_DAVA 2
197 #define MESSAGE_TYPE_DAUD 3
198 #define MESSAGE_TYPE_SCON 4
199 #define MESSAGE_TYPE_DUPU 5
200 #define MESSAGE_TYPE_DRST 6
202 #define MESSAGE_TYPE_UP 1
203 #define MESSAGE_TYPE_DOWN 2
204 #define MESSAGE_TYPE_BEAT 3
205 #define MESSAGE_TYPE_UP_ACK 4
206 #define MESSAGE_TYPE_DOWN_ACK 5
207 #define MESSAGE_TYPE_BEAT_ACK 6
209 #define MESSAGE_TYPE_ACTIVE 1
210 #define MESSAGE_TYPE_INACTIVE 2
211 #define MESSAGE_TYPE_ACTIVE_ACK 3
212 #define MESSAGE_TYPE_INACTIVE_ACK 4
214 #define MESSAGE_TYPE_CLDT 1
215 #define MESSAGE_TYPE_CLDR 2
217 #define MESSAGE_TYPE_CORE 1
218 #define MESSAGE_TYPE_COAK 2
219 #define MESSAGE_TYPE_COREF 3
220 #define MESSAGE_TYPE_RELRE 4
221 #define MESSAGE_TYPE_RELCO 5
222 #define MESSAGE_TYPE_RESCO 6
223 #define MESSAGE_TYPE_RESRE 7
224 #define MESSAGE_TYPE_CODT 8
225 #define MESSAGE_TYPE_CODA 9
226 #define MESSAGE_TYPE_COERR 10
227 #define MESSAGE_TYPE_COIT 11
229 #define MESSAGE_TYPE_REG_REQ 1
230 #define MESSAGE_TYPE_REG_RSP 2
231 #define MESSAGE_TYPE_DEREG_REQ 3
232 #define MESSAGE_TYPE_DEREG_RSP 4
235 static const value_string message_class_type_values[] = {
236 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" },
237 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" },
238 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "Destination unavailable (DUNA)" },
239 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "Destination available (DAVA)" },
240 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "Destination state audit (DAUD)" },
241 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SS7 Network congestion state (SCON)" },
242 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "Destination userpart unavailable (DUPU)" },
243 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" },
244 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" },
245 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" },
246 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" },
247 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" },
248 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" },
249 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" },
250 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" },
251 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" },
252 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" },
253 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDR , "Connectionless Data Response (CLDR)" },
254 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDT , "Connectionless Data Transfer (CLDT)" },
255 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CORE , "Connection Request (CORE)" },
256 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COAK , "Connection Acknowledge (COAK)" },
257 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COREF , "Connection Refused (COREF)" },
258 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELRE , "Release Request (RELRE)" },
259 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELCO , "Release Complete (RELCO)" },
260 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESCO , "Reset Confirm (RESCO)" },
261 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESRE , "Reset Request (RESRE)" },
262 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODT , "Connection Oriented Data Transfer (CODT)" },
263 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODA , "Connection Oriented Data Acknowledge (CODA)" },
264 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COERR , "Connection Oriented Error (COERR)" },
265 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COIT , "Inactivity Test (COIT)" },
266 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration Request (REG_REQ)" },
267 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registartion Response (REG_RSP)" },
268 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration Request (DEREG_REQ)" },
269 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistartion Response (DEREG_RSP)" },
272 static const value_string message_class_type_acro_values[] = {
273 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
274 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
275 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "DUNA" },
276 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "DAVA" },
277 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "DAUD" },
278 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SCON" },
279 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "DUPU" },
280 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
281 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
282 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
283 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
284 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
285 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
286 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
287 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
288 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
289 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
290 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDR , "CLDR" },
291 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDT , "CLDT" },
292 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CORE , "CORE" },
293 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COAK , "COAK" },
294 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COREF , "COREF" },
295 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELRE , "RELRE" },
296 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELCO , "RELCO" },
297 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESCO , "RESCO" },
298 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESRE , "RESRE" },
299 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODT , "CODT" },
300 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODA , "CODA" },
301 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COERR , "COERR" },
302 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COIT , "COIT" },
303 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" },
304 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" },
305 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" },
306 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" },
309 /* Initialize the protocol and registered fields */
310 static int proto_sua = -1;
311 static int hf_version = -1;
312 static int hf_reserved = -1;
313 static int hf_message_class = -1;
314 static int hf_message_type = -1;
315 static int hf_message_length = -1;
316 static int hf_parameter_tag = -1;
317 static int hf_parameter_length = -1;
318 static int hf_parameter_value = -1;
319 static int hf_parameter_padding = -1;
320 static int hf_info_string = -1;
321 static int hf_routing_context = -1;
322 static int hf_diagnostic_information_info = -1;
323 static int hf_heartbeat_data = -1;
324 static int hf_traffic_mode_type = -1;
325 static int hf_error_code = -1;
326 static int hf_status_type = -1;
327 static int hf_status_info = -1;
328 static int hf_congestion_level = -1;
329 static int hf_asp_identifier = -1;
330 static int hf_mask = -1;
331 static int hf_dpc = -1;
332 static int hf_registration_status = -1;
333 static int hf_deregistration_status = -1;
334 static int hf_local_routing_key_identifier = -1;
335 static int hf_source_address_routing_indicator = -1;
336 static int hf_source_address_reserved_bits = -1;
337 static int hf_source_address_gt_bit = -1;
338 static int hf_source_address_pc_bit = -1;
339 static int hf_source_address_ssn_bit = -1;
340 static int hf_destination_address_routing_indicator = -1;
341 static int hf_destination_address_reserved_bits = -1;
342 static int hf_destination_address_gt_bit = -1;
343 static int hf_destination_address_pc_bit = -1;
344 static int hf_destination_address_ssn_bit = -1;
345 static int hf_ss7_hop_counter_counter = -1;
346 static int hf_ss7_hop_counter_reserved = -1;
347 static int hf_destination_reference_number = -1;
348 static int hf_source_reference_number = -1;
349 static int hf_cause_reserved = -1;
350 static int hf_cause_type = -1;
351 static int hf_cause_value = -1;
352 static int hf_sequence_number_reserved = -1;
353 static int hf_sequence_number_rec_number = -1;
354 static int hf_sequence_number_spare_bit = -1;
355 static int hf_sequence_number_sent_number = -1;
356 static int hf_sequence_number_more_data_bit = -1;
357 static int hf_receive_sequence_number_reserved = -1;
358 static int hf_receive_sequence_number_number = -1;
359 static int hf_receive_sequence_number_spare_bit = -1;
360 static int hf_asp_capabilities_reserved = -1;
361 static int hf_asp_capabilities_reserved_bits = -1;
362 static int hf_asp_capabilities_a_bit =-1;
363 static int hf_asp_capabilities_b_bit =-1;
364 static int hf_asp_capabilities_c_bit =-1;
365 static int hf_asp_capabilities_d_bit =-1;
366 static int hf_asp_capabilities_interworking = -1;
367 static int hf_credit = -1;
368 static int hf_data = -1;
369 static int hf_cause = -1;
370 static int hf_user = -1;
371 static int hf_network_appearance = -1;
372 static int hf_routing_key_identifier = -1;
373 static int hf_correlation_id = -1;
374 static int hf_importance_reserved = -1;
375 static int hf_importance = -1;
376 static int hf_message_priority_reserved = -1;
377 static int hf_message_priority = -1;
378 static int hf_protocol_class_reserved = -1;
379 static int hf_return_on_error_bit = -1;
380 static int hf_protocol_class = -1;
381 static int hf_sequence_control = -1;
382 static int hf_first_bit = -1;
383 static int hf_number_of_remaining_segments = -1;
384 static int hf_segmentation_reference = -1;
385 static int hf_smi = -1;
386 static int hf_smi_reserved = -1;
387 static int hf_tid_label_start = -1;
388 static int hf_tid_label_end = -1;
389 static int hf_tid_label_value = -1;
390 static int hf_drn_label_start = -1;
391 static int hf_drn_label_end = -1;
392 static int hf_drn_label_value = -1;
393 static int hf_number_of_digits = -1;
394 static int hf_translation_type = -1;
395 static int hf_numbering_plan = -1;
396 static int hf_nature_of_address = -1;
397 static int hf_global_title = -1;
398 static int hf_point_code_dpc = -1;
399 static int hf_ssn_reserved = -1;
400 static int hf_ssn_number = -1;
401 static int hf_ipv4 = -1;
402 static int hf_hostname = -1;
403 static int hf_ipv6 = -1;
405 /* Initialize the subtree pointers */
406 static gint ett_sua = -1;
407 static gint ett_sua_parameter = -1;
408 static gint ett_sua_source_address_indicator = -1;
409 static gint ett_sua_destination_address_indicator = -1;
410 static gint ett_sua_affected_destination = -1;
411 static gint ett_sua_first_remaining = -1;
412 static gint ett_sua_sequence_number_rec_number = -1;
413 static gint ett_sua_sequence_number_sent_number = -1;
414 static gint ett_sua_receive_sequence_number_number = -1;
415 static gint ett_sua_return_on_error_bit_and_protocol_class = -1;
416 static gint ett_sua_protcol_classes = -1;
419 dissect_parameters(tvbuff_t *tlv_tvb, proto_tree *tree);
422 dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *sua_tree)
424 guint8 message_class, message_type;
426 message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
427 message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
429 if (check_col(pinfo->cinfo, COL_INFO))
430 col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(message_class * 256 + message_type, message_class_type_acro_values, "reserved"));
433 /* add the components of the common header to the protocol tree */
434 proto_tree_add_item(sua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, NETWORK_BYTE_ORDER);
435 proto_tree_add_item(sua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, NETWORK_BYTE_ORDER);
436 proto_tree_add_item(sua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, NETWORK_BYTE_ORDER);
437 proto_tree_add_uint_format(sua_tree, hf_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type, "Message Type: %s (%u)",
438 val_to_str(message_class * 256 + message_type, message_class_type_values, "reserved"), message_type);
439 proto_tree_add_item(sua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
443 #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
446 dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
448 guint16 info_string_length;
450 info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
451 proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, NETWORK_BYTE_ORDER);
452 proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
453 (const char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length));
456 #define ROUTING_CONTEXT_LENGTH 4
459 dissect_routing_context_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
461 guint16 number_of_contexts, context_number;
464 number_of_contexts = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / 4;
465 context_offset = PARAMETER_VALUE_OFFSET;
466 for(context_number=1; context_number <= number_of_contexts; context_number++) {
467 proto_tree_add_item(parameter_tree, hf_routing_context, parameter_tvb, context_offset, ROUTING_CONTEXT_LENGTH, NETWORK_BYTE_ORDER);
468 context_offset += ROUTING_CONTEXT_LENGTH;
470 proto_item_append_text(parameter_item, " (%u context%s)", number_of_contexts, plurality(number_of_contexts, "", "s"));
473 #define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET
476 dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
478 guint16 diag_info_length;
480 diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
481 proto_tree_add_item(parameter_tree, hf_diagnostic_information_info, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diag_info_length, NETWORK_BYTE_ORDER);
482 proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
485 #define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
488 dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
490 guint16 heartbeat_data_length;
492 heartbeat_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
493 proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, NETWORK_BYTE_ORDER);
494 proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
497 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
498 #define TRAFFIC_MODE_TYPE_LENGTH 4
500 static const value_string traffic_mode_type_values[] = {
507 dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
509 proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER);
510 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "unknown"));
513 #define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
514 #define ERROR_CODE_LENGTH 4
516 static const value_string error_code_values[] = {
517 { 0x01, "Invalid version" },
518 { 0x03, "Unsupported message class" },
519 { 0x04, "Unsupported message type" },
520 { 0x05, "Unsupported traffic handling mode" },
521 { 0x06, "Unexpected message" },
522 { 0x07, "Protocol error" },
523 { 0x09, "Invalid stream identifier" },
524 { 0x0d, "Refused - management blocking" },
525 { 0x0e, "ASP identifier required" },
526 { 0x0f, "Invalid ASP identifier" },
527 { 0x11, "Invalid parameter value" },
528 { 0x12, "Parameter field error" },
529 { 0x13, "Unexpected parameter" },
530 { 0x14, "Destination status unknown" },
531 { 0x15, "Invalid network appearance" },
532 { 0x16, "Missing parameter" },
533 { 0x17, "Routing key change refused" },
534 { 0x19, "Invalid routing context" },
535 { 0x1a, "No configured AS for ASP" },
536 { 0x1b, "Subsystem status unknown" },
540 dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
542 proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER);
543 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), error_code_values, "unknown"));
546 #define STATUS_TYPE_LENGTH 2
547 #define STATUS_INFO_LENGTH 2
548 #define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
549 #define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
551 #define AS_STATE_CHANGE_TYPE 1
554 static const value_string status_type_values[] = {
555 { AS_STATE_CHANGE_TYPE, "Application server state change" },
556 { OTHER_TYPE, "Other" },
559 #define RESERVED_INFO 1
560 #define AS_INACTIVE_INFO 2
561 #define AS_ACTIVE_INFO 3
562 #define AS_PENDING_INFO 4
564 #define INSUFFICIENT_ASP_RES_INFO 1
565 #define ALTERNATE_ASP_ACTIVE_INFO 2
566 #define ASP_FAILURE 3
568 static const value_string status_type_info_values[] = {
569 { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
570 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
571 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
572 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
573 { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
574 { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
575 { OTHER_TYPE * 256 * 256 + ASP_FAILURE, "ASP Failure" },
579 dissect_status_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
581 guint16 status_type, status_info;
583 status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
584 status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET);
586 proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, NETWORK_BYTE_ORDER);
587 proto_tree_add_uint_format(parameter_tree, hf_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH,
588 status_info, "Status info: %s (%u)", val_to_str(status_type * 256 * 256 + status_info, status_type_info_values, "unknown"), status_info);
590 proto_item_append_text(parameter_item, " (%s)", val_to_str(status_type * 256 * 256 + status_info, status_type_info_values, "unknown"));
593 #define ASP_IDENTIFIER_LENGTH 4
594 #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
597 dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
599 proto_tree_add_item(parameter_tree, hf_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, NETWORK_BYTE_ORDER);
600 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET));
603 #define AFFECTED_MASK_LENGTH 1
604 #define AFFECTED_DPC_LENGTH 3
605 #define AFFECTED_DESTINATION_LENGTH (AFFECTED_MASK_LENGTH + AFFECTED_DPC_LENGTH)
607 #define AFFECTED_MASK_OFFSET 0
608 #define AFFECTED_DPC_OFFSET 1
611 dissect_affected_destinations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
613 guint16 number_of_destinations, destination_number;
614 gint destination_offset;
616 number_of_destinations= (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / 4;
617 destination_offset = PARAMETER_VALUE_OFFSET;
618 for(destination_number=1; destination_number <= number_of_destinations; destination_number++) {
619 proto_tree_add_item(parameter_tree, hf_mask, parameter_tvb, destination_offset + AFFECTED_MASK_OFFSET, AFFECTED_MASK_LENGTH, NETWORK_BYTE_ORDER);
620 proto_tree_add_item(parameter_tree, hf_dpc, parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET, AFFECTED_DPC_LENGTH, NETWORK_BYTE_ORDER);
621 destination_offset += AFFECTED_DESTINATION_LENGTH;
623 proto_item_append_text(parameter_item, " (%u destination%s)", number_of_destinations, plurality(number_of_destinations, "", "s"));
626 #define CORRELATION_ID_LENGTH 4
627 #define CORRELATION_ID_OFFSET PARAMETER_VALUE_OFFSET
630 dissect_correlation_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
632 proto_tree_add_item(parameter_tree, hf_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, NETWORK_BYTE_ORDER);
633 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET));
637 dissect_registration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
639 tvbuff_t *parameters_tvb;
641 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
642 dissect_parameters(parameters_tvb, parameter_tree);
646 dissect_deregistration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
648 tvbuff_t *parameters_tvb;
650 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
651 dissect_parameters(parameters_tvb, parameter_tree);
654 #define REGISTRATION_STATUS_LENGTH 4
655 #define REGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
657 static const value_string registration_status_values[] = {
658 { 0, "Successfully registered" },
659 { 1, "Error - unknown" },
660 { 2, "Error - invalid destination address" },
661 { 3, "Error - invalid network appearance" },
662 { 4, "Error - invalid routing key" },
663 { 5, "Error - permission denied" },
664 { 6, "Error - cannot support unique routing" },
665 { 7, "Error - routing key not currently provisioned" },
666 { 8, "Error - insufficient resources" },
667 { 9, "Error - unsupported RK parameter field" },
668 { 10, "Error - unsupported/invalid traffic mode type" },
672 dissect_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
674 proto_tree_add_item(parameter_tree, hf_registration_status, parameter_tvb, REGISTRATION_STATUS_OFFSET, REGISTRATION_STATUS_LENGTH, NETWORK_BYTE_ORDER);
675 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, REGISTRATION_STATUS_OFFSET), registration_status_values, "unknown"));
678 #define DEREGISTRATION_STATUS_LENGTH 4
679 #define DEREGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
681 static const value_string deregistration_status_values[] = {
682 { 0, "Successfully deregistered" },
683 { 1, "Error - unknown" },
684 { 2, "Error - invalid routing context" },
685 { 3, "Error - permission denied" },
686 { 4, "Error - not registered" },
687 { 5, "Error - ASP currently active for routing context" },
691 dissect_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
693 proto_tree_add_item(parameter_tree, hf_deregistration_status, parameter_tvb, DEREGISTRATION_STATUS_OFFSET, DEREGISTRATION_STATUS_LENGTH, NETWORK_BYTE_ORDER);
694 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, DEREGISTRATION_STATUS_OFFSET), deregistration_status_values, "unknown"));
697 #define LOCAL_ROUTING_KEY_IDENTIFIER_LENGTH 4
698 #define LOCAL_ROUTING_KEY_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
701 dissect_local_routing_key_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
703 proto_tree_add_item(parameter_tree, hf_local_routing_key_identifier, parameter_tvb, LOCAL_ROUTING_KEY_IDENTIFIER_OFFSET, LOCAL_ROUTING_KEY_IDENTIFIER_LENGTH, NETWORK_BYTE_ORDER);
704 proto_item_append_text(parameter_item, " (%d)", tvb_get_ntohl(parameter_tvb, LOCAL_ROUTING_KEY_IDENTIFIER_OFFSET));
707 #define SS7_HOP_COUNTER_LENGTH 1
708 #define SS7_HOP_COUNTER_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
711 dissect_ss7_hop_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
713 proto_tree_add_item(parameter_tree, hf_ss7_hop_counter_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
714 proto_tree_add_item(parameter_tree, hf_ss7_hop_counter_counter, parameter_tvb, SS7_HOP_COUNTER_OFFSET, SS7_HOP_COUNTER_LENGTH, NETWORK_BYTE_ORDER);
715 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, SS7_HOP_COUNTER_OFFSET));
718 #define ROUTING_INDICATOR_LENGTH 2
719 #define ADDRESS_INDICATOR_LENGTH 2
721 #define ROUTING_INDICATOR_OFFSET PARAMETER_VALUE_OFFSET
722 #define ADDRESS_INDICATOR_OFFSET (ROUTING_INDICATOR_OFFSET + ROUTING_INDICATOR_LENGTH)
723 #define ADDRESS_PARAMETERS_OFFSET (ADDRESS_INDICATOR_OFFSET + ADDRESS_INDICATOR_LENGTH)
725 #define RESERVED_ROUTING_INDICATOR 0
726 #define ROUTE_ON_GT_ROUTING_INDICATOR 1
727 #define ROUTE_ON_SSN_PC_ROUTING_INDICATOR 2
728 #define ROUTE_ON_HOSTNAMEROUTING_INDICATOR 3
729 #define ROUTE_ON_SSN_IP_ROUTING_INDICATOR 4
731 static const value_string routing_indicator_values[] = {
732 { RESERVED_ROUTING_INDICATOR, "Reserved" },
733 { ROUTE_ON_GT_ROUTING_INDICATOR, "Route on Global Title" },
734 { ROUTE_ON_SSN_PC_ROUTING_INDICATOR, "Route on SSN + PC" },
735 { ROUTE_ON_HOSTNAMEROUTING_INDICATOR, "Route on Hostname" },
736 { ROUTE_ON_SSN_IP_ROUTING_INDICATOR, "Route on SSN + IP Address" },
739 #define ADDRESS_RESERVED_BITMASK 0xfff8
740 #define ADDRESS_GT_BITMASK 0x0004
741 #define ADDRESS_PC_BITMASK 0x0002
742 #define ADDRESS_SSN_BITMASK 0x0001
745 dissect_source_address_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
747 proto_item *address_indicator_item;
748 proto_tree *address_indicator_tree;
749 tvbuff_t *parameters_tvb;
751 proto_tree_add_item(parameter_tree, hf_source_address_routing_indicator, parameter_tvb, ROUTING_INDICATOR_OFFSET, ROUTING_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
752 address_indicator_item = proto_tree_add_text(parameter_tree, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, "Address Indicator");
753 address_indicator_tree = proto_item_add_subtree(address_indicator_item, ett_sua_source_address_indicator);
754 proto_tree_add_item(address_indicator_tree, hf_source_address_reserved_bits, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
755 proto_tree_add_item(address_indicator_tree, hf_source_address_gt_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
756 proto_tree_add_item(address_indicator_tree, hf_source_address_pc_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
757 proto_tree_add_item(address_indicator_tree, hf_source_address_ssn_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
759 parameters_tvb = tvb_new_subset(parameter_tvb, ADDRESS_PARAMETERS_OFFSET, -1, -1);
760 dissect_parameters(parameters_tvb, parameter_tree);
764 dissect_destination_address_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
766 proto_item *address_indicator_item;
767 proto_tree *address_indicator_tree;
768 tvbuff_t *parameters_tvb;
770 proto_tree_add_item(parameter_tree, hf_destination_address_routing_indicator, parameter_tvb, ROUTING_INDICATOR_OFFSET, ROUTING_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
771 address_indicator_item = proto_tree_add_text(parameter_tree, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, "Address Indicator");
772 address_indicator_tree = proto_item_add_subtree(address_indicator_item, ett_sua_destination_address_indicator);
773 proto_tree_add_item(address_indicator_tree, hf_destination_address_reserved_bits, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
774 proto_tree_add_item(address_indicator_tree, hf_destination_address_gt_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
775 proto_tree_add_item(address_indicator_tree, hf_destination_address_pc_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
776 proto_tree_add_item(address_indicator_tree, hf_destination_address_ssn_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
778 parameters_tvb = tvb_new_subset(parameter_tvb, ADDRESS_PARAMETERS_OFFSET, -1, -1);
779 dissect_parameters(parameters_tvb, parameter_tree);
782 #define SOURCE_REFERENCE_NUMBER_LENGTH 4
783 #define SOURCE_REFERENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
786 dissect_source_reference_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
788 proto_tree_add_item(parameter_tree, hf_source_reference_number, parameter_tvb, SOURCE_REFERENCE_NUMBER_OFFSET, SOURCE_REFERENCE_NUMBER_LENGTH, NETWORK_BYTE_ORDER);
789 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, SOURCE_REFERENCE_NUMBER_OFFSET));
792 #define DESTINATION_REFERENCE_NUMBER_LENGTH 4
793 #define DESTINATION_REFERENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
796 dissect_destination_reference_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
798 proto_tree_add_item(parameter_tree, hf_destination_reference_number, parameter_tvb, DESTINATION_REFERENCE_NUMBER_OFFSET, DESTINATION_REFERENCE_NUMBER_LENGTH, NETWORK_BYTE_ORDER);
799 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, DESTINATION_REFERENCE_NUMBER_OFFSET));
802 #define CAUSE_TYPE_LENGTH 1
803 #define CAUSE_VALUE_LENGTH 1
805 #define CAUSE_TYPE_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_2_LENGTH)
806 #define CAUSE_VALUE_OFFSET (CAUSE_TYPE_OFFSET + CAUSE_TYPE_LENGTH)
808 static const value_string cause_type_values[] = {
809 { 0x1, "Return Cause" },
810 { 0x2, "Refusual Cause" },
811 { 0x3, "Release Cause" },
812 { 0x4, "Reset Cause" },
813 { 0x5, "Error cause" },
817 dissect_sccp_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
819 proto_tree_add_item(parameter_tree, hf_cause_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_2_LENGTH, NETWORK_BYTE_ORDER);
820 proto_tree_add_item(parameter_tree, hf_cause_type, parameter_tvb, CAUSE_TYPE_OFFSET, CAUSE_TYPE_LENGTH, NETWORK_BYTE_ORDER);
821 proto_tree_add_item(parameter_tree, hf_cause_value, parameter_tvb, CAUSE_VALUE_OFFSET, CAUSE_VALUE_LENGTH, NETWORK_BYTE_ORDER);
823 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_guint8(parameter_tvb, CAUSE_TYPE_OFFSET), cause_type_values, "unknown"));
826 #define SEQUENCE_NUMBER_REC_SEQ_LENGTH 1
827 #define SEQUENCE_NUMBER_SENT_SEQ_LENGTH 1
828 #define SEQUENCE_NUMBER_REC_SEQ_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_2_LENGTH)
829 #define SEQUENCE_NUMBER_SENT_SEQ_OFFSET (SEQUENCE_NUMBER_REC_SEQ_OFFSET + SEQUENCE_NUMBER_REC_SEQ_LENGTH)
831 #define SEQ_NUM_MASK 0xFE
832 #define SPARE_BIT_MASK 0x01
833 #define MORE_DATA_BIT_MASK 0x01
835 static const true_false_string more_data_bit_value = {
841 dissect_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
843 proto_item *sent_sequence_number_item;
844 proto_tree *sent_sequence_number_tree;
845 proto_item *receive_sequence_number_item;
846 proto_tree *receive_sequence_number_tree;
848 proto_tree_add_item(parameter_tree, hf_sequence_number_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_2_LENGTH, NETWORK_BYTE_ORDER);
850 receive_sequence_number_item = proto_tree_add_text(parameter_tree, parameter_tvb, SEQUENCE_NUMBER_REC_SEQ_OFFSET, SEQUENCE_NUMBER_REC_SEQ_LENGTH, "Receive Sequence Number");
851 receive_sequence_number_tree = proto_item_add_subtree(receive_sequence_number_item, ett_sua_sequence_number_rec_number);
852 proto_tree_add_item(receive_sequence_number_tree, hf_sequence_number_rec_number, parameter_tvb, SEQUENCE_NUMBER_REC_SEQ_OFFSET, SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
853 proto_tree_add_item(receive_sequence_number_tree, hf_sequence_number_more_data_bit, parameter_tvb, SEQUENCE_NUMBER_REC_SEQ_OFFSET, SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
855 sent_sequence_number_item = proto_tree_add_text(parameter_tree, parameter_tvb, SEQUENCE_NUMBER_SENT_SEQ_OFFSET, SEQUENCE_NUMBER_SENT_SEQ_LENGTH, "Sent Sequence Number");
856 sent_sequence_number_tree = proto_item_add_subtree(sent_sequence_number_item, ett_sua_sequence_number_sent_number);
857 proto_tree_add_item(sent_sequence_number_tree, hf_sequence_number_sent_number, parameter_tvb, SEQUENCE_NUMBER_SENT_SEQ_OFFSET, SEQUENCE_NUMBER_SENT_SEQ_LENGTH, NETWORK_BYTE_ORDER);
858 proto_tree_add_item(sent_sequence_number_tree, hf_sequence_number_spare_bit, parameter_tvb, SEQUENCE_NUMBER_SENT_SEQ_OFFSET, SEQUENCE_NUMBER_SENT_SEQ_LENGTH, NETWORK_BYTE_ORDER);
861 #define RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH 1
862 #define RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
865 dissect_receive_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
867 proto_item *receive_sequence_number_item;
868 proto_tree *receive_sequence_number_tree;
870 proto_tree_add_item(parameter_tree, hf_receive_sequence_number_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
871 receive_sequence_number_item = proto_tree_add_text(parameter_tree, parameter_tvb, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH, "Receive Sequence Number");
872 receive_sequence_number_tree = proto_item_add_subtree(receive_sequence_number_item, ett_sua_receive_sequence_number_number);
873 proto_tree_add_item(receive_sequence_number_tree, hf_receive_sequence_number_number, parameter_tvb, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
874 proto_tree_add_item(receive_sequence_number_tree, hf_receive_sequence_number_spare_bit, parameter_tvb, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
877 #define PROTOCOL_CLASSES_LENGTH 1
878 #define INTERWORKING_LENGTH 1
879 #define PROTOCOL_CLASSES_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_2_LENGTH)
880 #define INTERWORKING_OFFSET (PROTOCOL_CLASSES_OFFSET + PROTOCOL_CLASSES_LENGTH)
882 #define A_BIT_MASK 0x08
883 #define B_BIT_MASK 0x04
884 #define C_BIT_MASK 0x02
885 #define D_BIT_MASK 0x01
886 #define RESERVED_BITS_MASK 0xF0
888 static const true_false_string sua_supported_bit_value = {
893 static const value_string interworking_values[] = {
894 { 0x0, "No Interworking with SS7 Networks" },
895 { 0x1, "IP-Signalling Endpoint interworking with with SS7 networks" },
896 { 0x2, "Signalling Gateway" },
897 { 0x3, "Relay Node Support" },
901 dissect_asp_capabilities_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
903 proto_item *protocol_classes_item;
904 proto_tree *protocol_classes_tree;
906 proto_tree_add_item(parameter_tree, hf_asp_capabilities_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_2_LENGTH, NETWORK_BYTE_ORDER);
907 protocol_classes_item = proto_tree_add_text(parameter_tree, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, "Protocol classes");
908 protocol_classes_tree = proto_item_add_subtree(protocol_classes_item, ett_sua_protcol_classes);
909 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_reserved_bits, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
910 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_a_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
911 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_b_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
912 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_c_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
913 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_d_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
914 proto_tree_add_item(parameter_tree, hf_asp_capabilities_interworking, parameter_tvb, INTERWORKING_OFFSET, INTERWORKING_LENGTH, NETWORK_BYTE_ORDER);
917 #define CREDIT_LENGTH 4
918 #define CREDIT_OFFSET PARAMETER_VALUE_OFFSET
921 dissect_credit_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
923 proto_tree_add_item(parameter_tree, hf_credit, parameter_tvb, CREDIT_OFFSET, CREDIT_LENGTH, NETWORK_BYTE_ORDER);
924 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CREDIT_OFFSET));
927 #define DATA_PARAMETER_DATA_OFFSET PARAMETER_VALUE_OFFSET
930 dissect_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
934 data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
935 proto_tree_add_item(parameter_tree, hf_data, parameter_tvb, DATA_PARAMETER_DATA_OFFSET, data_length, NETWORK_BYTE_ORDER);
936 proto_item_append_text(parameter_item, " (SS7 message of %u byte%s)", data_length, plurality(data_length, "", "s"));
940 #define CAUSE_LENGTH 2
941 #define USER_LENGTH 2
942 #define CAUSE_OFFSET PARAMETER_VALUE_OFFSET
943 #define USER_OFFSET (CAUSE_OFFSET + CAUSE_LENGTH)
945 static const value_string cause_values[] = {
946 { 0x0, "Remote SCCP unavailable, Reason unknown" },
947 { 0x2, "Remote SCCP unequipped" },
948 { 0x3, "Remote SCCP inaccessable" },
952 dissect_user_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
954 proto_tree_add_item(parameter_tree, hf_cause, parameter_tvb, CAUSE_OFFSET, CAUSE_LENGTH, NETWORK_BYTE_ORDER);
955 proto_tree_add_item(parameter_tree, hf_user, parameter_tvb, USER_OFFSET, USER_LENGTH, NETWORK_BYTE_ORDER);
958 #define NETWORK_APPEARANCE_LENGTH 4
959 #define NETWORK_APPEARANCE_OFFSET PARAMETER_VALUE_OFFSET
962 dissect_network_appearance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
964 proto_tree_add_item(parameter_tree, hf_network_appearance, parameter_tvb, NETWORK_APPEARANCE_OFFSET, NETWORK_APPEARANCE_LENGTH, NETWORK_BYTE_ORDER);
965 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, NETWORK_APPEARANCE_OFFSET));
969 dissect_routing_key_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
971 tvbuff_t *parameters_tvb;
973 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
974 dissect_parameters(parameters_tvb, parameter_tree);
976 #define DRN_START_LENGTH 1
977 #define DRN_END_LENGTH 1
978 #define DRN_VALUE_LENGTH 2
980 #define DRN_START_OFFSET PARAMETER_VALUE_OFFSET
981 #define DRN_END_OFFSET (DRN_START_OFFSET + DRN_START_LENGTH)
982 #define DRN_VALUE_OFFSET (DRN_END_OFFSET + DRN_END_LENGTH)
985 dissect_drn_label_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
987 proto_tree_add_item(parameter_tree, hf_drn_label_start, parameter_tvb, DRN_START_OFFSET, DRN_START_LENGTH, NETWORK_BYTE_ORDER);
988 proto_tree_add_item(parameter_tree, hf_drn_label_end, parameter_tvb, DRN_END_OFFSET, DRN_END_LENGTH, NETWORK_BYTE_ORDER);
989 proto_tree_add_item(parameter_tree, hf_drn_label_value, parameter_tvb, DRN_VALUE_OFFSET, DRN_VALUE_LENGTH, NETWORK_BYTE_ORDER);
992 #define TID_START_LENGTH 1
993 #define TID_END_LENGTH 1
994 #define TID_VALUE_LENGTH 2
996 #define TID_START_OFFSET PARAMETER_VALUE_OFFSET
997 #define TID_END_OFFSET (TID_START_OFFSET + TID_START_LENGTH)
998 #define TID_VALUE_OFFSET (TID_END_OFFSET + TID_END_LENGTH)
1001 dissect_tid_label_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1003 proto_tree_add_item(parameter_tree, hf_tid_label_start, parameter_tvb, TID_START_OFFSET, TID_START_LENGTH, NETWORK_BYTE_ORDER);
1004 proto_tree_add_item(parameter_tree, hf_tid_label_end, parameter_tvb, TID_END_OFFSET, TID_END_LENGTH, NETWORK_BYTE_ORDER);
1005 proto_tree_add_item(parameter_tree, hf_tid_label_value, parameter_tvb, TID_VALUE_OFFSET, TID_VALUE_LENGTH, NETWORK_BYTE_ORDER);
1008 #define ADDRESS_RANGE_ADDRESS_PARAMETERS_OFFSET PARAMETER_VALUE_OFFSET
1011 dissect_address_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1013 tvbuff_t *parameters_tvb;
1015 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
1016 dissect_parameters(parameters_tvb, parameter_tree);
1019 #define SMI_LENGTH 1
1020 #define SMI_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1023 dissect_smi_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1025 proto_tree_add_item(parameter_tree, hf_smi_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1026 proto_tree_add_item(parameter_tree, hf_smi, parameter_tvb, SMI_OFFSET, SMI_LENGTH, NETWORK_BYTE_ORDER);
1027 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, SMI_OFFSET));
1030 #define IMPORTANCE_LENGTH 1
1031 #define IMPORTANCE_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1034 dissect_importance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1036 proto_tree_add_item(parameter_tree, hf_importance_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1037 proto_tree_add_item(parameter_tree, hf_importance, parameter_tvb, IMPORTANCE_OFFSET, IMPORTANCE_LENGTH, NETWORK_BYTE_ORDER);
1038 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, IMPORTANCE_OFFSET));
1041 #define MESSAGE_PRIORITY_LENGTH 1
1042 #define MESSAGE_PRIORITY_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1045 dissect_message_priority_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1047 proto_tree_add_item(parameter_tree, hf_message_priority_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1048 proto_tree_add_item(parameter_tree, hf_message_priority, parameter_tvb, MESSAGE_PRIORITY_OFFSET, MESSAGE_PRIORITY_LENGTH, NETWORK_BYTE_ORDER);
1049 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, MESSAGE_PRIORITY_OFFSET));
1052 #define PROTOCOL_CLASS_LENGTH 1
1053 #define PROTOCOL_CLASS_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1055 #define RETURN_ON_ERROR_BIT_MASK 0x80
1056 #define PROTOCOL_CLASS_MASK 0x7f
1059 static const true_false_string return_on_error_bit_value = {
1060 "Return Message On Error",
1061 "No Special Options"
1065 dissect_protocol_class_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1067 proto_item *protocol_class_item;
1068 proto_tree *protocol_class_tree;
1070 proto_tree_add_item(parameter_tree, hf_protocol_class_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1072 protocol_class_item = proto_tree_add_text(parameter_tree, parameter_tvb, PROTOCOL_CLASS_OFFSET, PROTOCOL_CLASS_LENGTH, "Protocol Class");
1073 protocol_class_tree = proto_item_add_subtree(protocol_class_item, ett_sua_return_on_error_bit_and_protocol_class);
1075 proto_tree_add_item(protocol_class_tree, hf_return_on_error_bit, parameter_tvb, PROTOCOL_CLASS_OFFSET, PROTOCOL_CLASS_LENGTH, NETWORK_BYTE_ORDER);
1076 proto_tree_add_item(protocol_class_tree, hf_protocol_class, parameter_tvb, PROTOCOL_CLASS_OFFSET, PROTOCOL_CLASS_LENGTH, NETWORK_BYTE_ORDER);
1079 #define SEQUENCE_CONTROL_LENGTH 4
1080 #define SEQUENCE_CONTROL_OFFSET PARAMETER_VALUE_OFFSET
1083 dissect_sequence_control_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1085 proto_tree_add_item(parameter_tree, hf_sequence_control, parameter_tvb, SEQUENCE_CONTROL_OFFSET, SEQUENCE_CONTROL_LENGTH, NETWORK_BYTE_ORDER);
1086 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, SEQUENCE_CONTROL_OFFSET));
1089 #define FIRST_REMAINING_LENGTH 1
1090 #define SEGMENTATION_REFERENCE_LENGTH 3
1091 #define FIRST_REMAINING_OFFSET PARAMETER_VALUE_OFFSET
1092 #define SEGMENTATION_REFERENCE_OFFSET (FIRST_REMAINING_OFFSET + FIRST_REMAINING_LENGTH)
1094 #define FIRST_BIT_MASK 0x80
1095 #define NUMBER_OF_SEGMENTS_MASK 0x7f
1097 static const true_false_string first_bit_value = {
1099 "Subsequent segment"
1103 dissect_segmentation_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1105 proto_item *first_remaining_item;
1106 proto_tree *first_remaining_tree;
1108 first_remaining_item = proto_tree_add_text(parameter_tree, parameter_tvb, FIRST_REMAINING_OFFSET, FIRST_REMAINING_LENGTH, "First / Remaining");
1109 first_remaining_tree = proto_item_add_subtree(first_remaining_item, ett_sua_first_remaining);
1110 proto_tree_add_item(first_remaining_tree, hf_first_bit, parameter_tvb, FIRST_REMAINING_OFFSET, FIRST_REMAINING_LENGTH, NETWORK_BYTE_ORDER);
1111 proto_tree_add_item(first_remaining_tree, hf_number_of_remaining_segments, parameter_tvb, FIRST_REMAINING_OFFSET, FIRST_REMAINING_LENGTH, NETWORK_BYTE_ORDER);
1112 proto_tree_add_item(parameter_tree, hf_segmentation_reference, parameter_tvb, SEGMENTATION_REFERENCE_OFFSET, SEGMENTATION_REFERENCE_LENGTH, NETWORK_BYTE_ORDER);
1115 #define CONGESTION_LEVEL_LENGTH 4
1116 #define CONGESTION_LEVEL_OFFSET PARAMETER_VALUE_OFFSET
1119 dissect_congestion_level_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1121 proto_tree_add_item(parameter_tree, hf_congestion_level, parameter_tvb, CONGESTION_LEVEL_OFFSET, CONGESTION_LEVEL_LENGTH, NETWORK_BYTE_ORDER);
1122 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CONGESTION_LEVEL_OFFSET));
1125 #define NO_OF_DIGITS_LENGTH 1
1126 #define TRANSLATION_TYPE_LENGTH 1
1127 #define NUMBERING_PLAN_LENGTH 1
1128 #define NATURE_OF_ADDRESS_LENGTH 1
1130 #define NO_OF_DIGITS_OFFSET PARAMETER_VALUE_OFFSET
1131 #define TRANSLATION_TYPE_OFFSET (NO_OF_DIGITS_OFFSET + NO_OF_DIGITS_LENGTH)
1132 #define NUMBERING_PLAN_OFFSET (TRANSLATION_TYPE_OFFSET + TRANSLATION_TYPE_LENGTH)
1133 #define NATURE_OF_ADDRESS_OFFSET (NUMBERING_PLAN_OFFSET + NUMBERING_PLAN_LENGTH)
1134 #define GLOBAL_TITLE_OFFSET (NATURE_OF_ADDRESS_OFFSET + NATURE_OF_ADDRESS_LENGTH)
1136 #define ISDN_TELEPHONY_NUMBERING_PLAN 1
1137 #define GENERIC_NUMBERING_PLAN 2
1138 #define DATA_NUMBERING_PLAN 3
1139 #define TELEX_NUMBERING_PLAN 4
1140 #define MARITIME_MOBILE_NUMBERING_PLAN 5
1141 #define LAND_MOBILE_NUMBERING_PLAN 6
1142 #define ISDN_MOBILE_NUMBERING_PLAN 7
1143 #define PRIVATE_NETWORK_NUMBERING_PLAN 14
1145 static const value_string numbering_plan_values[] = {
1146 { ISDN_TELEPHONY_NUMBERING_PLAN, "ISDN/Telephony Numbering Plan (Rec. E.161 and E.164)" },
1147 { GENERIC_NUMBERING_PLAN, "Generic Numbering Plan" },
1148 { DATA_NUMBERING_PLAN, "Data Numbering Plan (Rec. X.121)" },
1149 { TELEX_NUMBERING_PLAN, "Telex Numbering Plan (Rec. F.69)" },
1150 { MARITIME_MOBILE_NUMBERING_PLAN, "Maritime Mobile Numbering Plan (Rec. E.210 and E.211)" },
1151 { LAND_MOBILE_NUMBERING_PLAN, "Land Mobile Numbering Plan (Rec. E.212)" },
1152 { ISDN_MOBILE_NUMBERING_PLAN, "ISDN/Mobile Numbering Plan (Rec. E.214)" },
1153 { PRIVATE_NETWORK_NUMBERING_PLAN, "Private Network Or Network-Specific Numbering Plan" },
1156 #define UNKNOWN_NATURE_OF_ADDRESS 0
1157 #define SUBSCRIBER_NUMBER_NATURE_OF_ADDRESS 1
1158 #define RESERVED_FOR_NATIONAL_USE_NATURE_OF_ADDRESS 2
1159 #define NATIONAL_SIGNIFICANT_NUMBER_NATURE_OF_ADDRESS 3
1160 #define INTERNATION_NUMBER_NATURE_OF_ADDRESS 4
1162 static const value_string nature_of_address_values[] = {
1163 { UNKNOWN_NATURE_OF_ADDRESS, "Unknown" },
1164 { SUBSCRIBER_NUMBER_NATURE_OF_ADDRESS, "Subscriber Number" },
1165 { RESERVED_FOR_NATIONAL_USE_NATURE_OF_ADDRESS, "Reserved For National Use" },
1166 { NATIONAL_SIGNIFICANT_NUMBER_NATURE_OF_ADDRESS, "Natinal Significant Number" },
1167 { INTERNATION_NUMBER_NATURE_OF_ADDRESS, "International Number" },
1171 dissect_global_title_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1173 guint16 global_title_length;
1175 global_title_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) -
1176 (PARAMETER_HEADER_LENGTH + NO_OF_DIGITS_LENGTH + TRANSLATION_TYPE_LENGTH + NUMBERING_PLAN_LENGTH + NATURE_OF_ADDRESS_LENGTH);
1177 proto_tree_add_item(parameter_tree, hf_number_of_digits, parameter_tvb, NO_OF_DIGITS_OFFSET, NO_OF_DIGITS_LENGTH, NETWORK_BYTE_ORDER);
1178 proto_tree_add_item(parameter_tree, hf_translation_type, parameter_tvb, TRANSLATION_TYPE_OFFSET, TRANSLATION_TYPE_LENGTH, NETWORK_BYTE_ORDER);
1179 proto_tree_add_item(parameter_tree, hf_numbering_plan, parameter_tvb, NUMBERING_PLAN_OFFSET, NUMBERING_PLAN_LENGTH, NETWORK_BYTE_ORDER);
1180 proto_tree_add_item(parameter_tree, hf_nature_of_address, parameter_tvb, NATURE_OF_ADDRESS_OFFSET, NATURE_OF_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
1181 proto_tree_add_item(parameter_tree, hf_global_title, parameter_tvb, GLOBAL_TITLE_OFFSET, global_title_length, NETWORK_BYTE_ORDER);
1184 #define POINT_CODE_LENGTH 4
1185 #define POINT_CODE_OFFSET PARAMETER_VALUE_OFFSET
1188 dissect_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1190 proto_tree_add_item(parameter_tree, hf_point_code_dpc, parameter_tvb, POINT_CODE_OFFSET, POINT_CODE_LENGTH, NETWORK_BYTE_ORDER);
1191 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, POINT_CODE_OFFSET));
1194 #define SSN_LENGTH 1
1195 #define SSN_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1198 dissect_ssn_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1200 proto_tree_add_item(parameter_tree, hf_ssn_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1201 proto_tree_add_item(parameter_tree, hf_ssn_number, parameter_tvb, SSN_OFFSET, SSN_LENGTH, NETWORK_BYTE_ORDER);
1203 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, SSN_OFFSET));
1206 #define IPV4_ADDRESS_LENGTH 4
1207 #define IPV4_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
1210 dissect_ipv4_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1212 proto_tree_add_item(parameter_tree, hf_ipv4, parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
1213 proto_item_append_text(parameter_item, " (%s)", ip_to_str((const guint8 *)tvb_get_ptr(parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH)));
1216 #define HOSTNAME_OFFSET PARAMETER_VALUE_OFFSET
1219 dissect_hostname_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1221 guint16 hostname_length;
1223 hostname_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
1224 proto_tree_add_item(parameter_tree, hf_hostname, parameter_tvb, HOSTNAME_OFFSET, hostname_length, NETWORK_BYTE_ORDER);
1225 proto_item_append_text(parameter_item, " (%.*s)", hostname_length,
1226 (const char *)tvb_get_ptr(parameter_tvb, HOSTNAME_OFFSET, hostname_length));
1229 #define IPV6_ADDRESS_LENGTH 16
1230 #define IPV6_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
1233 dissect_ipv6_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1235 proto_tree_add_item(parameter_tree, hf_ipv6, parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
1236 proto_item_append_text(parameter_item, " (%s)", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH)));
1240 dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1242 guint16 parameter_value_length;
1244 parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
1245 proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, NETWORK_BYTE_ORDER);
1246 proto_item_append_text(parameter_item, "(tag %u and %u byte%s value)", tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
1250 dissect_parameter(tvbuff_t *parameter_tvb, proto_tree *tree)
1252 guint16 tag, length, padding_length;
1253 proto_item *parameter_item;
1254 proto_tree *parameter_tree;
1256 /* extract tag and length from the parameter */
1257 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
1258 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
1259 padding_length = tvb_length(parameter_tvb) - length;
1261 /* create proto_tree stuff */
1262 parameter_item = proto_tree_add_text(tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), val_to_str(tag, parameter_tag_values, "Unknown parameter"));
1263 parameter_tree = proto_item_add_subtree(parameter_item, ett_sua_parameter);
1265 /* add tag and length to the sua tree */
1266 proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER);
1267 proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
1270 case DATA_PARAMETER_TAG:
1271 dissect_data_parameter(parameter_tvb, parameter_tree, parameter_item);
1273 case INFO_STRING_PARAMETER_TAG:
1274 dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
1276 case ROUTING_CONTEXT_PARAMETER_TAG:
1277 dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
1279 case DIAGNOSTIC_INFO_PARAMETER_TAG:
1280 dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
1282 case HEARTBEAT_DATA_PARAMETER_TAG:
1283 dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
1285 case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
1286 dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
1288 case ERROR_CODE_PARAMETER_TAG:
1289 dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
1291 case STATUS_PARAMETER_TAG:
1292 dissect_status_type_parameter(parameter_tvb, parameter_tree, parameter_item);
1294 case CONGESTION_LEVEL_PARAMETER_TAG:
1295 dissect_congestion_level_parameter(parameter_tvb, parameter_tree, parameter_item);
1297 case ASP_IDENTIFIER_PARAMETER_TAG:
1298 dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1300 case AFFECTED_POINT_CODE_PARAMETER_TAG:
1301 dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item);
1303 case REGISTRATION_STATUS_PARAMETER_TAG:
1304 dissect_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1306 case DEREGISTRATION_STATUS_PARAMETER_TAG:
1307 dissect_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1309 case LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG:
1310 dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1312 case SS7_HOP_COUNTER_PARAMETER_TAG:
1313 dissect_ss7_hop_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
1315 case SOURCE_ADDRESS_PARAMETER_TAG:
1316 dissect_source_address_parameter(parameter_tvb, parameter_tree);
1318 case DESTINATION_ADDRESS_PARAMETER_TAG:
1319 dissect_destination_address_parameter(parameter_tvb, parameter_tree);
1321 case SOURCE_REFERENCE_NUMBER_PARAMETER_TAG:
1322 dissect_source_reference_number_parameter(parameter_tvb, parameter_tree, parameter_item);
1324 case DESTINATION_REFERENCE_NUMBER_PARAMETER_TAG:
1325 dissect_destination_reference_number_parameter(parameter_tvb, parameter_tree, parameter_item);
1327 case SCCP_CAUSE_PARAMETER_TAG:
1328 dissect_sccp_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
1330 case SEQUENCE_NUMBER_PARAMETER_TAG:
1331 dissect_sequence_number_parameter(parameter_tvb, parameter_tree);
1333 case RECEIVE_SEQUENCE_NUMBER_PARAMETER_TAG:
1334 dissect_receive_sequence_number_parameter(parameter_tvb, parameter_tree);
1336 case ASP_CAPABILITIES_PARAMETER_TAG:
1337 dissect_asp_capabilities_parameter(parameter_tvb, parameter_tree);
1339 case CREDIT_PARAMETER_TAG:
1340 dissect_credit_parameter(parameter_tvb, parameter_tree, parameter_item);
1342 case USER_CAUSE_PARAMETER_TAG:
1343 dissect_user_cause_parameter(parameter_tvb, parameter_tree);
1345 case NETWORK_APPEARANCE_PARAMETER_TAG:
1346 dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
1348 case ROUTING_KEY_PARAMETER_TAG:
1349 dissect_routing_key_parameter(parameter_tvb, parameter_tree);
1351 case REGISTRATION_RESULT_PARAMETER_TAG:
1352 dissect_registration_result_parameter(parameter_tvb, parameter_tree);
1354 case DEREGISTRATION_RESULT_PARAMETER_TAG:
1355 dissect_deregistration_result_parameter(parameter_tvb, parameter_tree);
1357 case ADDRESS_RANGE_PARAMETER_TAG:
1358 dissect_address_range_parameter(parameter_tvb, parameter_tree);
1360 case CORRELATION_ID_PARAMETER_TAG:
1361 dissect_correlation_id_parameter(parameter_tvb, parameter_tree, parameter_item);
1363 case IMPORTANCE_PARAMETER_TAG:
1364 dissect_importance_parameter(parameter_tvb, parameter_tree, parameter_item);
1366 case MESSAGE_PRIORITY_PARAMETER_TAG:
1367 dissect_message_priority_parameter(parameter_tvb, parameter_tree, parameter_item);
1369 case PROTOCOL_CLASS_PARAMETER_TAG:
1370 dissect_protocol_class_parameter(parameter_tvb, parameter_tree);
1372 case SEQUENCE_CONTROL_PARAMETER_TAG:
1373 dissect_sequence_control_parameter(parameter_tvb, parameter_tree, parameter_item);
1375 case SEGMENTATION_PARAMETER_TAG:
1376 dissect_segmentation_parameter(parameter_tvb, parameter_tree);
1378 case SMI_PARAMETER_TAG:
1379 dissect_smi_parameter(parameter_tvb, parameter_tree, parameter_item);
1381 case TID_LABEL_PARAMETER_TAG:
1382 dissect_tid_label_parameter(parameter_tvb, parameter_tree);
1384 case DRN_LABEL_PARAMETER_TAG:
1385 dissect_drn_label_parameter(parameter_tvb, parameter_tree);
1387 case GLOBAL_TITLE_PARAMETER_TAG:
1388 dissect_global_title_parameter(parameter_tvb, parameter_tree);
1390 case POINT_CODE_PARAMETER_TAG:
1391 dissect_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
1393 case SUBSYSTEM_NUMBER_PARAMETER_TAG:
1394 dissect_ssn_parameter(parameter_tvb, parameter_tree, parameter_item);
1396 case IPV4_ADDRESS_PARAMETER_TAG:
1397 dissect_ipv4_parameter(parameter_tvb, parameter_tree, parameter_item);
1399 case HOSTNAME_PARAMETER_TAG:
1400 dissect_hostname_parameter(parameter_tvb, parameter_tree, parameter_item);
1402 case IPV6_ADDRESS_PARAMETER_TAG:
1403 dissect_ipv6_parameter(parameter_tvb, parameter_tree, parameter_item);
1406 dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
1409 if (padding_length > 0)
1410 proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER);
1414 dissect_parameters(tvbuff_t *parameters_tvb, proto_tree *tree)
1416 gint offset, length, total_length, remaining_length;
1417 tvbuff_t *parameter_tvb;
1420 while((remaining_length = tvb_length_remaining(parameters_tvb, offset))) {
1421 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
1422 total_length = ADD_PADDING(length);
1423 if (remaining_length >= length)
1424 total_length = MIN(total_length, remaining_length);
1425 /* create a tvb for the parameter including the padding bytes */
1426 parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
1427 dissect_parameter(parameter_tvb, tree);
1428 /* get rid of the handled parameter */
1429 offset += total_length;
1434 dissect_sua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *sua_tree)
1436 tvbuff_t *common_header_tvb;
1437 tvbuff_t *parameters_tvb;
1439 common_header_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_OFFSET, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
1440 dissect_common_header(common_header_tvb, pinfo, sua_tree);
1443 parameters_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_LENGTH, -1, -1);
1444 dissect_parameters(parameters_tvb, sua_tree);
1449 dissect_sua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
1451 proto_item *sua_item;
1452 proto_tree *sua_tree;
1454 /* make entry in the Protocol column on summary display */
1455 if (check_col(pinfo->cinfo, COL_PROTOCOL))
1456 col_set_str(pinfo->cinfo, COL_PROTOCOL, "SUA");
1458 /* In the interest of speed, if "tree" is NULL, don't do any work not
1459 necessary to generate protocol tree items. */
1461 /* create the sua protocol tree */
1462 sua_item = proto_tree_add_item(tree, proto_sua, message_tvb, 0, -1, FALSE);
1463 sua_tree = proto_item_add_subtree(sua_item, ett_sua);
1468 /* dissect the message */
1469 dissect_sua_message(message_tvb, pinfo, sua_tree);
1472 /* Register the protocol with Ethereal */
1474 proto_register_sua(void)
1477 /* Setup list of header fields */
1478 static hf_register_info hf[] = {
1479 { &hf_version, { "Version", "sua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, "", HFILL } },
1480 { &hf_reserved, { "Reserved", "sua.reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1481 { &hf_message_class, { "Message Class", "sua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, "", HFILL } },
1482 { &hf_message_type, { "Message Type", "sua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1483 { &hf_message_length, { "Message Length", "sua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1484 { &hf_parameter_tag, { "Parameter Tag", "sua.parameter_tag", FT_UINT16, BASE_HEX, VALS(parameter_tag_values), 0x0, "", HFILL } },
1485 { &hf_parameter_length, { "Parameter Length", "sua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1486 { &hf_parameter_value, { "Parameter Value", "sua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1487 { &hf_parameter_padding, { "Padding", "sua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1488 { &hf_info_string, { "Info string", "sua.info_string", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
1489 { &hf_routing_context, { "Routing context", "sua.routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1490 { &hf_diagnostic_information_info, { "Diagnostic Information", "sua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1491 { &hf_heartbeat_data, { "Heratbeat Data", "sua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1492 { &hf_traffic_mode_type, { "Traffic mode Type", "sua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(traffic_mode_type_values), 0x0, "", HFILL } },
1493 { &hf_error_code, { "Error code", "sua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, "", HFILL } },
1494 { &hf_status_type, { "Status type", "sua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, "", HFILL } },
1495 { &hf_status_info, { "Status info", "sua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1496 { &hf_congestion_level, { "Congestion Level", "sua.congestion_level", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1497 { &hf_asp_identifier, { "ASP Identifier", "sua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1498 { &hf_mask, { "Mask", "sua.affected_point_code_mask", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
1499 { &hf_dpc, { "Affected DPC", "sua.affected_pointcode_dpc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } },
1500 { &hf_registration_status, { "Registration status", "sua.registration_status", FT_UINT32, BASE_DEC, VALS(registration_status_values), 0x0, "", HFILL } },
1501 { &hf_deregistration_status, { "Deregistration status", "sua.deregistration_status", FT_UINT32, BASE_DEC, VALS(deregistration_status_values), 0x0, "", HFILL } },
1502 { &hf_local_routing_key_identifier, { "Local routing key identifier", "sua.local_routing_key_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1503 { &hf_source_address_routing_indicator, { "Routing Indicator", "sua.source_address_routing_indicator", FT_UINT16, BASE_DEC, VALS(routing_indicator_values), 0x0, "", HFILL } },
1504 { &hf_source_address_reserved_bits, { "Reserved Bits", "sua.source_address_reserved_bits", FT_UINT16, BASE_DEC, NULL, ADDRESS_RESERVED_BITMASK, "", HFILL } },
1505 { &hf_source_address_gt_bit, { "Include GT", "sua.source_address_gt_bit", FT_BOOLEAN, 16, NULL, ADDRESS_GT_BITMASK, "", HFILL } },
1506 { &hf_source_address_pc_bit, { "Include PC", "sua.source_address_pc_bit", FT_BOOLEAN, 16, NULL, ADDRESS_PC_BITMASK, "", HFILL } },
1507 { &hf_source_address_ssn_bit, { "Include SSN", "sua.source_address_ssn_bit", FT_BOOLEAN, 16, NULL, ADDRESS_SSN_BITMASK, "", HFILL } },
1508 { &hf_destination_address_routing_indicator, { "Routing Indicator", "sua.destination_address_routing_indicator", FT_UINT16, BASE_DEC, VALS(routing_indicator_values), 0x0, "", HFILL } },
1509 { &hf_destination_address_reserved_bits, { "Reserved Bits", "sua.destination_address_reserved_bits", FT_UINT16, BASE_DEC, NULL, ADDRESS_RESERVED_BITMASK, "", HFILL } },
1510 { &hf_destination_address_gt_bit, { "Include GT", "sua.destination_address_gt_bit", FT_BOOLEAN, 16, NULL, ADDRESS_GT_BITMASK, "", HFILL } },
1511 { &hf_destination_address_pc_bit, { "Include PC", "sua.destination_address_pc_bit", FT_BOOLEAN, 16, NULL, ADDRESS_PC_BITMASK, "", HFILL } },
1512 { &hf_destination_address_ssn_bit, { "Include SSN", "sua.destination_address_ssn_bit", FT_BOOLEAN, 16, NULL, ADDRESS_SSN_BITMASK, "", HFILL } },
1513 { &hf_ss7_hop_counter_counter, { "SS7 Hop Counter", "sua.ss7_hop_counter_counter", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1514 { &hf_ss7_hop_counter_reserved, { "Reserved", "sua.ss7_hop_counter_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1515 { &hf_destination_reference_number, { "Destination Reference Number", "sua.destination_reference_number", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1516 { &hf_source_reference_number, { "Source Reference Number", "sua.source_reference_number", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1517 { &hf_cause_reserved, { "Reserved", "sua.sccp_cause_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1518 { &hf_cause_type, { "Cause Type", "sua.sccp_cause_type", FT_UINT8, BASE_HEX, VALS(cause_type_values), 0x0, "", HFILL } },
1519 { &hf_cause_value, { "Cause Value", "sua.sccp_cause_value", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
1520 { &hf_sequence_number_reserved, { "Reserved", "sua.sequence_number_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1521 { &hf_sequence_number_rec_number, { "Receive Sequence Number P(R)", "sua.sequence_number_receive_sequence_number", FT_UINT8, BASE_DEC, NULL, SEQ_NUM_MASK, "", HFILL } },
1522 { &hf_sequence_number_more_data_bit, { "More Data Bit", "sua.sequence_number_more_data_bit", FT_BOOLEAN, 8, TFS(&more_data_bit_value), MORE_DATA_BIT_MASK, "", HFILL } },
1523 { &hf_sequence_number_sent_number, { "Sent Sequence Number P(S)", "sua.sequence_number_sent_sequence_number", FT_UINT8, BASE_DEC, NULL, SEQ_NUM_MASK, "", HFILL } },
1524 { &hf_sequence_number_spare_bit, { "Spare Bit", "sua.sequence_number_spare_bit", FT_BOOLEAN, 8, NULL, SPARE_BIT_MASK, "", HFILL } },
1525 { &hf_receive_sequence_number_reserved, { "Reserved", "sua.receive_sequence_number_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1526 { &hf_receive_sequence_number_number, { "Receive Sequence Number P(R)", "sua.receive_sequence_number_number", FT_UINT8, BASE_DEC, NULL, SEQ_NUM_MASK, "", HFILL } },
1527 { &hf_receive_sequence_number_spare_bit, { "Spare Bit", "sua.receive_sequence_number_spare_bit", FT_BOOLEAN, 8, NULL, SPARE_BIT_MASK, "", HFILL } },
1528 { &hf_asp_capabilities_reserved, { "Reserved", "sua.asp_capabilities_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1529 { &hf_asp_capabilities_reserved_bits, { "Reserved Bits", "sua.asp_capabilities_reserved_bits", FT_UINT8, BASE_HEX, NULL, RESERVED_BITS_MASK, "", HFILL } },
1530 { &hf_asp_capabilities_a_bit, { "Protocol Class 3", "sua.asp_capabilities_a_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), A_BIT_MASK, "", HFILL } },
1531 { &hf_asp_capabilities_b_bit, { "Protocol Class 2", "sua.asp_capabilities_b_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), B_BIT_MASK, "", HFILL } },
1532 { &hf_asp_capabilities_c_bit, { "Protocol Class 1", "sua.asp_capabilities_c_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), C_BIT_MASK, "", HFILL } },
1533 { &hf_asp_capabilities_d_bit, { "Protocol Class 0", "sua.asp_capabilities_d_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), D_BIT_MASK, "", HFILL } },
1534 { &hf_asp_capabilities_interworking, { "Interworking", "sua.asp_capabilities_interworking", FT_UINT8, BASE_HEX, VALS(interworking_values), 0x0, "", HFILL } },
1535 { &hf_credit, { "Credit", "sua.credit", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1536 { &hf_cause, { "Cause", "sua.cause_user_cause", FT_UINT16, BASE_DEC, VALS(cause_values), 0x0, "", HFILL } },
1537 { &hf_user, { "User", "sua.cause_user_user", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1538 { &hf_data, { "Data", "sua.data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1539 { &hf_network_appearance, { "Network Appearance", "sua.network_appearance", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1540 { &hf_routing_key_identifier, { "Local Routing Key Identifier", "sua.routing_key_identifier", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL } },
1541 { &hf_correlation_id, { "Correlation ID", "sua.correlation_id", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1542 { &hf_importance_reserved, { "Reserved", "sua.importance_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1543 { &hf_importance, { "Importance", "sua.importance_inportance", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1544 { &hf_message_priority_reserved, { "Reserved", "sua.message_priority_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1545 { &hf_message_priority, { "Message Priority", "sua.message_priority_priority", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1546 { &hf_protocol_class_reserved, { "Reserved", "sua.protcol_class_reserved", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL } },
1547 { &hf_return_on_error_bit, { "Return On Error Bit", "sua.protocol_class_return_on_error_bit", FT_BOOLEAN, 8, TFS(&return_on_error_bit_value), RETURN_ON_ERROR_BIT_MASK, "", HFILL } },
1548 { &hf_protocol_class, { "Protocol Class", "sua.protocol_class_class", FT_UINT8, BASE_DEC, NULL, PROTOCOL_CLASS_MASK, "", HFILL } },
1549 { &hf_sequence_control, { "Sequence Control", "sua.sequence_control_sequence_control", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1550 { &hf_first_bit, { "First Segment Bit", "sua.segmentation_first_bit", FT_BOOLEAN, 8, TFS(&first_bit_value), FIRST_BIT_MASK, "", HFILL } },
1551 { &hf_number_of_remaining_segments, { "Number of Remaining Segments", "sua.segmentation_number_of_remaining_segments", FT_UINT8, BASE_DEC, NULL, NUMBER_OF_SEGMENTS_MASK, "", HFILL } },
1552 { &hf_segmentation_reference, { "Segmentation Reference", "sua.segmentation_reference", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } },
1553 { &hf_smi_reserved, { "Reserved", "sua.smi_reserved", FT_BYTES, BASE_DEC, NULL, 0x0, "", HFILL } },
1554 { &hf_smi, { "SMI", "sua.smi_smi", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1555 { &hf_tid_label_start, { "Start", "sua.tid_label_start", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1556 { &hf_tid_label_end, { "End", "sua.tid_label_end", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1557 { &hf_tid_label_value, { "Label Value", "sua.tid_label_value", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } },
1558 { &hf_drn_label_start, { "Start", "sua.drn_label_start", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1559 { &hf_drn_label_end, { "End", "sua.drn_label_end", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1560 { &hf_drn_label_value, { "Label Value", "sua.drn_label_value", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } },
1561 { &hf_number_of_digits, { "Number of Digits", "sua.global_title_number_of_digits", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1562 { &hf_translation_type, { "Translation Type", "sua.global_title_translation_type", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
1563 { &hf_numbering_plan, { "Numbering Plan", "sua.global_title_numbering_plan", FT_UINT8, BASE_HEX, VALS(numbering_plan_values), 0x0, "", HFILL } },
1564 { &hf_nature_of_address, { "Nature of Address", "sua.global_title_nature_of_address", FT_UINT8, BASE_HEX, VALS(nature_of_address_values), 0x0, "", HFILL } },
1565 { &hf_nature_of_address, { "Nature Of Address", "sua.global_title_nature_of_address", FT_UINT8, BASE_HEX, VALS(nature_of_address_values), 0x0, "", HFILL } },
1566 { &hf_global_title, { "Global Title", "sua.global_title_signals", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1567 { &hf_point_code_dpc, { "Point Code", "sua.point_code", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1568 { &hf_ssn_reserved, { "Reserved", "sua.ssn_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1569 { &hf_ssn_number, { "Subsystem Number", "sua.ssn_number", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1570 { &hf_ipv4, { "IP Version 4 address", "sua.ipv4_address", FT_IPv4, BASE_NONE, NULL, 0x0, "", HFILL } },
1571 { &hf_hostname, { "Hostname", "sua.hostname.name", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
1572 { &hf_ipv6, { "IP Version 6 address", "sua.ipv6_address", FT_IPv6, BASE_NONE, NULL, 0x0, "", HFILL } },
1575 /* Setup protocol subtree array */
1576 static gint *ett[] = {
1579 &ett_sua_source_address_indicator,
1580 &ett_sua_destination_address_indicator,
1581 &ett_sua_affected_destination,
1582 &ett_sua_sequence_number_rec_number,
1583 &ett_sua_sequence_number_sent_number,
1584 &ett_sua_receive_sequence_number_number,
1585 &ett_sua_protcol_classes,
1586 &ett_sua_first_remaining,
1587 &ett_sua_return_on_error_bit_and_protocol_class
1589 module_t *sua_module;
1591 /* Register the protocol name and description */
1592 proto_sua = proto_register_protocol("SS7 SCCP-User Adaptation Layer", "SUA", "sua");
1594 /* Required function calls to register the header fields and subtrees used */
1595 proto_register_field_array(proto_sua, hf, array_length(hf));
1596 proto_register_subtree_array(ett, array_length(ett));
1598 sua_module = prefs_register_protocol(proto_sua, NULL);
1599 prefs_register_obsolete_preference(sua_module, "sua_version");
1603 proto_reg_handoff_sua(void)
1605 dissector_handle_t sua_handle;
1607 sua_handle = create_dissector_handle(dissect_sua, proto_sua);
1608 dissector_add("sctp.ppi", SUA_PAYLOAD_PROTOCOL_ID, sua_handle);
1609 dissector_add("sctp.port", SCTP_PORT_SUA, sua_handle);