3 * Extension of all V5.2-User Adaptation Layer dissection elements
11 * ISKRATEL d.o.o. | 4S d.o.o.
12 * http://www.iskratel.si/ | http://www.4es.si/
13 * <info@iskratel.si> | <projects@4es.si>
14 * Vladimir Smrekar <vladimir.smrekar@gmail.com>
16 * Routines for V5.2-User Adaptation Layer dissection
20 * Extension of ISDN Q.921-User Adaptation Layer dissection
21 * Copyright 2002, Michael Tuexen <Michael.Tuexen[AT]siemens.com>
23 * Christoph Neusch <christoph.neusch@nortelnetworks.com>
25 * Wireshark - Network traffic analyzer
26 * By Gerald Combs <gerald@wireshark.org>
27 * Copyright 1998 Gerald Combs
29 * This program is free software; you can redistribute it and/or
30 * modify it under the terms of the GNU General Public License
31 * as published by the Free Software Foundation; either version 2
32 * of the License, or (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
53 #include <epan/packet.h>
54 #include <epan/addr_resolv.h>
55 #include <epan/strutil.h>
56 #include <epan/sctpppids.h> /* include V5UA payload protocol ID */
58 static int paddingl = 0;
59 static int dlci_efa = -1;
61 /* Initialize the protocol and registered fields */
62 static int proto_v5ua = -1;
64 static dissector_handle_t q931_handle;
65 static dissector_handle_t v52_handle;
67 /* round up parameter length to multiple of four */
68 #define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
70 /* common msg-header */
71 static int hf_version = -1;
72 static int hf_reserved = -1;
73 static int hf_msg_class = -1;
74 static int hf_msg_type = -1;
75 static int hf_msg_type_id = -1;
76 static int hf_msg_length = -1;
77 /* V5UA message header */
78 static int hf_link_id = -1;
79 static int hf_chnl_id = -1;
80 static int hf_adaptation_layer_id = -1;
81 static int hf_text_if_id = -1;
82 static int hf_scn_protocol_id = -1;
83 static int hf_info_string = -1;
84 static int hf_asp_identifier = -1;
85 static int hf_dlci_zero_bit = -1;
86 static int hf_dlci_spare_bit = -1;
87 static int hf_dlci_sapi = -1;
88 static int hf_dlci_one_bit = -1;
89 static int hf_dlci_tei = -1;
90 static int hf_efa = -1;
91 static int hf_spare_efa = -1;
92 /* variable length parameter (msg) */
93 static int hf_parameter_tag = -1;
94 static int hf_parameter_tag_draft = -1;
95 static int hf_parameter_length = -1;
96 static int hf_parameter_value = -1;
97 static int hf_parameter_padding = -1;
99 /* parameter fields */
100 static int hf_link_status = -1;
101 static int hf_sa_bit_id = -1;
102 static int hf_sa_bit_value = -1;
103 static int hf_diagnostic_info = -1;
104 static int hf_if_range_start = -1;
105 static int hf_if_range_end = -1;
106 static int hf_heartbeat_data = -1;
107 static int hf_traffic_mode_type = -1;
108 static int hf_error_code = -1;
109 static int hf_draft_error_code = -1;
110 static int hf_status_type = -1;
111 static int hf_status_id = -1;
112 static int hf_error_reason = -1;
113 static int hf_asp_reason = -1;
114 static int hf_tei_status = -1;
115 static int hf_tei_draft_status = -1;
116 static int hf_release_reason = -1;
118 /* Initialize the subtree pointers */
119 static gint ett_v5ua = -1;
120 static gint ett_v5ua_common_header= -1;
121 static gint ett_v5ua_parameter = -1;
122 static gint ett_v5ua_layer3 = -1;
127 static int iua_version = RFC;
128 /* Variables neccessary for dissection of draft messages */
129 static int msg_class = -1;
130 static int msg_type = -1;
131 static int msg_length = -1;
132 static int messageclassCopy = -1;
133 static int sa_bit_id = -1;
134 static int link_status_operational = -1;
136 /* Code to actually dissect the packets */
138 /* define the parameters for the Tags: Tag-Type,Tag-Length,Tag-Value (Payload) */
139 #define PARAMETER_TAG_OFFSET 0
140 #define PARAMETER_TAG_LENGTH 2
141 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
142 #define PARAMETER_LENGTH_LENGTH 2
143 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
144 #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
145 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
148 /*----------------------V5UA Interface Identifier (int) (Draft,RFC)------------*/
150 /* define parameter for the format of the integer formatted Interface Identifier */
151 #define INT_IF_ID_LINK_OFFSET PARAMETER_VALUE_OFFSET
152 #define INT_IF_ID_LINK_LENGTH 4
153 #define INT_IF_ID_CHNL_OFFSET INT_IF_ID_LINK_OFFSET
154 #define INT_IF_ID_CHNL_LENGTH 1
155 #define INT_INTERFACE_ID_LENGTH 4
157 static int linkIdentifier = -1;
160 dissect_int_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
163 guint16 number_of_ids, id_number;
166 number_of_ids= (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / INT_INTERFACE_ID_LENGTH;
168 offset = INT_IF_ID_LINK_OFFSET;
169 identifier = tvb_get_ntohl(parameter_tvb,INT_IF_ID_LINK_OFFSET)>>5;
170 proto_item_append_text(parameter_item, "(");
171 for (id_number = 1; id_number <= number_of_ids; id_number++) {
172 proto_tree_add_item(parameter_tree, hf_link_id, parameter_tvb, offset, INT_IF_ID_LINK_LENGTH, FALSE);
173 identifier = tvb_get_ntohl(parameter_tvb,offset)>>5;
175 proto_item_append_text(parameter_item, "L:%d",identifier);
177 proto_item_append_text(parameter_item, " | L:%d",identifier);
179 linkIdentifier = identifier;
181 proto_tree_add_item(parameter_tree, hf_chnl_id, parameter_tvb, offset+3, INT_IF_ID_CHNL_LENGTH, FALSE);
182 identifier = tvb_get_guint8(parameter_tvb,offset+3)&0x1f;
183 proto_item_append_text(parameter_item, " C:%d", identifier);
184 offset += INT_INTERFACE_ID_LENGTH;
186 proto_item_append_text(parameter_item, ")");
188 /*----------------------V5UA Interface Identifier (int) (Draft,RFC)------------*/
190 /*----------------------Text Interface Identifier (RFC)------------------------*/
192 #define TEXT_IF_ID_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
193 #define TEXT_IF_ID_VALUE_OFFSET PARAMETER_VALUE_OFFSET
194 #define TEXT_IF_ID_HEADER_LENGTH PARAMETER_HEADER_LENGTH
197 dissect_text_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
199 guint16 if_id_length;
201 if_id_length = tvb_get_ntohs(parameter_tvb, TEXT_IF_ID_LENGTH_OFFSET) - TEXT_IF_ID_HEADER_LENGTH;
203 proto_tree_add_item(parameter_tree, hf_text_if_id, parameter_tvb, TEXT_IF_ID_VALUE_OFFSET, if_id_length, FALSE);
204 proto_item_append_text(parameter_item, " (0x%.*s)", if_id_length,
205 tvb_get_ephemeral_string(parameter_tvb, TEXT_IF_ID_VALUE_OFFSET, if_id_length));
207 /*----------------------Text Interface Identifier (RFC)------------------------*/
209 /*----------------------DLCI & Envelope Function Address------------------------*/
212 /* interpretation of EFA-values */
213 static const value_string efa_values[] = {
214 { 8175, "ISDN Protocol" },
215 { 8176, "PSTN Protocol" },
216 { 8177, "CONTROL Protocol" },
217 { 8178, "BCC Protocol" },
218 { 8179, "PROT Protocol" },
219 { 8180, "Link Control Protocol" },
220 { 8191, "VALUE RESERVED" },
223 #define DLCI_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
224 #define DLCI_SAPI_OFFSET PARAMETER_VALUE_OFFSET
225 #define DLCI_HEADER_LENGTH PARAMETER_HEADER_LENGTH
227 #define DLCI_SAPI_LENGTH 1
228 #define DLCI_TEI_LENGTH 1
232 dissect_dlci_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item, packet_info *pinfo)
234 guint16 efa = 0, offset = 0;
240 if (iua_version == RFC) offset = DLCI_SAPI_OFFSET;
241 else if(iua_version == DRAFT) offset = DLCI_HEADER_LENGTH + tvb_get_ntohs(parameter_tvb, DLCI_LENGTH_OFFSET);
243 proto_tree_add_item(parameter_tree, hf_dlci_zero_bit, parameter_tvb, offset, DLCI_SAPI_LENGTH, FALSE);
244 proto_tree_add_item(parameter_tree, hf_dlci_spare_bit, parameter_tvb, offset, DLCI_SAPI_LENGTH, FALSE);
245 proto_tree_add_item(parameter_tree, hf_dlci_sapi, parameter_tvb, offset, DLCI_SAPI_LENGTH, FALSE);
247 offset += DLCI_SAPI_LENGTH;
248 proto_tree_add_item(parameter_tree, hf_dlci_one_bit, parameter_tvb, offset, DLCI_TEI_LENGTH, FALSE);
249 proto_tree_add_item(parameter_tree, hf_dlci_tei, parameter_tvb, offset, DLCI_TEI_LENGTH, FALSE);
251 sapi = tvb_get_ntohs(parameter_tvb, offset-DLCI_TEI_LENGTH-DLCI_SAPI_LENGTH)>>2;
252 tei = tvb_get_ntohs(parameter_tvb, offset-DLCI_TEI_LENGTH)>>1;
254 /* if SAPI & TEI not set to ZERO, value of EFA must be decode (EFA = 0 -> ISDN protocol)*/
255 if(tvb_get_ntohs(parameter_tvb,offset-DLCI_TEI_LENGTH) != 0x01){
257 offset += DLCI_TEI_LENGTH;
258 efa = tvb_get_ntohs(parameter_tvb, offset);
259 dlci_efa = tvb_get_ntohs(parameter_tvb, offset);
261 if (dlci_efa >= 0 && dlci_efa <= 8175) { col_append_fstr(pinfo->cinfo, COL_INFO, " | ISDN: %u", dlci_efa); }
262 else if (dlci_efa == 8176) { col_append_str(pinfo->cinfo, COL_INFO, " | PSTN"); }
263 else if (dlci_efa == 8177) { col_append_str(pinfo->cinfo, COL_INFO, " | Ctrl"); }
264 else if (dlci_efa == 8178) { col_append_str(pinfo->cinfo, COL_INFO, " | BCC"); }
265 else if (dlci_efa == 8179) { col_append_str(pinfo->cinfo, COL_INFO, " | ProtProt"); }
266 else if (dlci_efa == 8180) { col_append_str(pinfo->cinfo, COL_INFO, " | LinkCtrl"); }
270 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
271 "Envelope function address: ISDN (%u)", efa);
272 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:ISDN (%u))",sapi,tei,efa);
274 else if (efa > 8175 && efa <= 8180){
275 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
276 "Envelope function address: %s (%u)", val_to_str(efa, efa_values, "unknown EFA"),tvb_get_ntohs(parameter_tvb, offset));
277 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:%s (%u))",sapi,tei,val_to_str(efa, efa_values, "unknown EFA-value"),efa);
279 else if(efa >= 8181){
280 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
281 "Envelope function address: RESERVED (%u)", efa);
282 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:RESERVED (%u))",sapi,tei,efa);
285 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
286 "Envelope function address: %u", efa);
287 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:%u)",sapi,tei,efa);
290 /* if SAPI & TEI set to ZERO, EFA also shall be set to ZERO and didn't comply with value for ISDN protocol */
292 offset += DLCI_TEI_LENGTH;
293 efa = tvb_get_ntohs(parameter_tvb, offset);
294 dlci_efa = tvb_get_ntohs(parameter_tvb, offset);
296 if (dlci_efa >= 0 && dlci_efa <= 8175) { col_append_fstr(pinfo->cinfo, COL_INFO, " | ISDN: %u", dlci_efa); }
297 else if (dlci_efa == 8176) { col_append_str(pinfo->cinfo, COL_INFO, " | PSTN"); }
298 else if (dlci_efa == 8177) { col_append_str(pinfo->cinfo, COL_INFO, " | Ctrl"); }
299 else if (dlci_efa == 8178) { col_append_str(pinfo->cinfo, COL_INFO, " | BCC"); }
300 else if (dlci_efa == 8179) { col_append_str(pinfo->cinfo, COL_INFO, " | ProtProt"); }
301 else if (dlci_efa == 8180) { col_append_str(pinfo->cinfo, COL_INFO, " | LinkCtrl"); }
306 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
307 "Envelope function address: ISDN (%u)", efa);
308 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:ISDN (%u))",sapi,tei,efa);
311 else if (efa > 8175 && efa <= 8180){
313 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
314 "Envelope function address: %s (%u)", val_to_str(efa, efa_values, "unknown EFA"),tvb_get_ntohs(parameter_tvb, offset));
315 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:%s (%u))",sapi,tei,val_to_str(efa, efa_values, "unknown EFA-value"),efa);
318 else if(efa >= 8181){
319 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
320 "Envelope function address: RESERVED (%u)", efa);
321 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:RESERVED (%u))",sapi,tei,efa);
324 proto_tree_add_uint_format(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
325 "Envelope function address: %u", efa);
326 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:%u)",sapi,tei,efa);
330 /*----------------------DLCI & Envelope Function Address------------------------*/
332 /*----------------------Error Indication (Draft)-------------------------------*/
334 /* define Error Code Parameter for Layer Management (MGMT) Messages */
335 #define MGMT_ERROR_INVALID_TEI_DRAFT 0x00
336 #define MGMT_ERROR_INVALID_IFID_DRAFT 0x01
337 #define MGMT_ERROR_UNDEFINIED_MSG_DRAFT 0x02
338 #define MGMT_ERROR_VERSION_ERR_DRAFT 0x03
339 #define MGMT_ERROR_INVALID_STID_DRAFT 0x04
340 #define MGMT_ERROR_INVALID_SCNV_DRAFT 0x05
341 #define MGMT_ERROR_INVALID_ALI_DRAFT 0x06
343 static const value_string draft_error_code_values[] = {
344 { MGMT_ERROR_INVALID_TEI_DRAFT, "Invalid TEI" },
345 { MGMT_ERROR_INVALID_IFID_DRAFT, "Invalid interface ID" },
346 { MGMT_ERROR_UNDEFINIED_MSG_DRAFT, "An unexpected message was received" },
347 { MGMT_ERROR_VERSION_ERR_DRAFT, "The IUA layers are of different version" },
348 { MGMT_ERROR_INVALID_STID_DRAFT, "Invalid SCTP stream identifier" },
349 { MGMT_ERROR_INVALID_SCNV_DRAFT, "Invalid SCN version" },
350 { MGMT_ERROR_INVALID_ALI_DRAFT, "Invalid Adaptation Layer Identifier" },
353 #define MGMT_ERROR_MSG_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
354 #define MGMT_ERROR_MSG_HEADER_LENGTH PARAMETER_HEADER_LENGTH
356 #define MGMT_ERROR_CODE_LENGTH 4
359 dissect_draft_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
361 guint16 offset = MGMT_ERROR_MSG_HEADER_LENGTH + tvb_get_ntohs(parameter_tvb, MGMT_ERROR_MSG_LENGTH_OFFSET) + 4;
362 proto_tree_add_item(parameter_tree, hf_draft_error_code, parameter_tvb, offset, MGMT_ERROR_CODE_LENGTH, FALSE);
363 offset += MGMT_ERROR_CODE_LENGTH ;
364 if( tvb_length_remaining(parameter_tvb,offset) > 0 )
365 proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, offset, msg_length - offset,FALSE);
367 /*----------------------Error Indication (Draft)-------------------------------*/
369 /*----------------------Error Indication (RFC)---------------------------------*/
371 /* define Error Code Parameter for Layer Management (MGMT) Messages */
372 #define MGMT_ERROR_INVALID_VERSION 0x01
373 #define MGMT_ERROR_INVALID_IF_ID 0x02
374 #define MGMT_ERROR_UNSUPPORTED_MSG_CLASS 0x03
375 #define MGMT_ERROR_UNSUPPORTED_MSG_TYPE 0x04
376 #define MGMT_ERROR_UNSUPPORTED_TRAFFIC_HANDLING_MODE 0x05
377 #define MGMT_ERROR_UNEXPECTED_MSG 0x06
378 #define MGMT_ERROR_PROTOCOL_ERROR 0x07
379 #define MGMT_ERROR_UNSUPPORTED_IF_ID_TYPE 0x08
380 #define MGMT_ERROR_INVALID_STREAM_ID 0x09
381 #define MGMT_ERROR_UNASSIGNED_TEI 0x0a
382 #define MGMT_ERROR_UNRECOGNIZED_SAPI 0x0b
383 #define MGMT_ERROR_INVALID_TEI_SAPI_COMBINATION 0x0c
385 static const value_string error_code_values[] = {
386 { MGMT_ERROR_INVALID_VERSION, "Invalid version" },
387 { MGMT_ERROR_INVALID_IF_ID, "Invalid interface identifier" },
388 { MGMT_ERROR_UNSUPPORTED_MSG_CLASS, "Unsuported message class" },
389 { MGMT_ERROR_UNSUPPORTED_MSG_TYPE, "Unsupported message type" },
390 { MGMT_ERROR_UNSUPPORTED_TRAFFIC_HANDLING_MODE, "Unsupported traffic handling mode" },
391 { MGMT_ERROR_UNEXPECTED_MSG, "Unexpected message" },
392 { MGMT_ERROR_PROTOCOL_ERROR, "Protocol error" },
393 { MGMT_ERROR_UNSUPPORTED_IF_ID_TYPE, "Unsupported interface identifier type" },
394 { MGMT_ERROR_INVALID_STREAM_ID, "Invalid stream identifier" },
395 { MGMT_ERROR_UNASSIGNED_TEI, "Unassigned TEI" },
396 { MGMT_ERROR_UNRECOGNIZED_SAPI, "Unrecognized SAPI" },
397 { MGMT_ERROR_INVALID_TEI_SAPI_COMBINATION, "Invalid TEI/SAPI combination" },
400 #define MGMT_ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
403 dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
405 proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, MGMT_ERROR_CODE_OFFSET, MGMT_ERROR_CODE_LENGTH, FALSE);
406 proto_item_append_text(parameter_item, " (%s)",
407 val_to_str(tvb_get_ntohl(parameter_tvb, MGMT_ERROR_CODE_OFFSET), error_code_values, "Unknown error code"));
411 dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
413 guint16 diag_info_length;
415 diag_info_length = tvb_get_ntohs(parameter_tvb, MGMT_ERROR_MSG_LENGTH_OFFSET) - MGMT_ERROR_MSG_HEADER_LENGTH;
416 proto_tree_add_item(parameter_tree, hf_diagnostic_info, parameter_tvb, PARAMETER_VALUE_OFFSET, diag_info_length, ENC_NA);
417 proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
419 /*----------------------Error Indication (RFC)---------------------------------*/
421 /*----------------------Notify (RFC)-------------------------------------------*/
423 /* define Status Type parameters for Notify (NTFY) Messages */
424 #define NTFY_STATUS_TYPE_AS_STATE_CHANGE 0x01
425 #define NTFY_STATUS_TYPE_OTHER 0x02
427 static const value_string status_type_values[] = {
428 { NTFY_STATUS_TYPE_AS_STATE_CHANGE, "Application server state change" },
429 { NTFY_STATUS_TYPE_OTHER, "Other" },
432 /* define Status Identification parameters for NTFY Messages (AS state change)*/
433 #define NTFY_STATUS_IDENT_AS_DOWN 0x01
434 #define NTFY_STATUS_IDENT_AS_INACTIVE 0x02
435 #define NTFY_STATUS_IDENT_AS_ACTIVE 0x03
436 #define NTFY_STATUS_IDENT_AS_PENDING 0x04
437 /* define Status Identification parameters for NTFY Messages (Other)*/
438 #define NTFY_STATUS_INSUFFICIENT_ASP_RES_ACTIVE 0x01
439 #define NTFY_STATUS_ALTERNATE_ASP_ACTIVE 0x02
441 static const value_string status_type_id_values[] = {
442 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_DOWN, "Application server down" },
443 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_INACTIVE, "Application server inactive" },
444 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_ACTIVE, "Application server active" },
445 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_PENDING, "Application server pending" },
446 { NTFY_STATUS_TYPE_OTHER * 256 * 256 + NTFY_STATUS_INSUFFICIENT_ASP_RES_ACTIVE, "Insufficient ASP resources active in AS" },
447 { NTFY_STATUS_TYPE_OTHER * 256 * 256 + NTFY_STATUS_ALTERNATE_ASP_ACTIVE, "Alternate ASP active" },
450 #define NTFY_STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
451 #define NTFY_STATUS_TYPE_LENGTH 2
452 #define NTFY_STATUS_IDENT_OFFSET (NTFY_STATUS_TYPE_OFFSET + NTFY_STATUS_TYPE_LENGTH)
453 #define NTFY_STATUS_IDENT_LENGTH 2
456 dissect_status_type_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
458 guint16 status_type, status_id;
460 status_type = tvb_get_ntohs(parameter_tvb, NTFY_STATUS_TYPE_OFFSET);
461 status_id = tvb_get_ntohs(parameter_tvb, NTFY_STATUS_IDENT_OFFSET);
463 proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, NTFY_STATUS_TYPE_OFFSET, NTFY_STATUS_TYPE_LENGTH, FALSE);
464 proto_tree_add_uint_format(parameter_tree, hf_status_id, parameter_tvb, NTFY_STATUS_IDENT_OFFSET, NTFY_STATUS_IDENT_LENGTH,
465 status_id, "Status identification: %u (%s)", status_id,
466 val_to_str(status_type * 256 * 256 + status_id, status_type_id_values, "unknown"));
468 proto_item_append_text(parameter_item, " (%s)",
469 val_to_str(status_type * 256 * 256 + status_id, status_type_id_values, "Unknown status information"));
471 /*----------------------Notify (RFC)-------------------------------------------*/
473 /*----------------------TEI Status Indication,Confirm (RFC)--------------------*/
475 /* define parameters for TEI Status (Indication,Confirm) Messages */
476 #define TEI_STATUS_ASSIGNED 0x0
477 #define TEI_STATUS_UNASSIGNED 0x1
479 static const value_string tei_status_values[] = {
480 { TEI_STATUS_ASSIGNED, "TEI is considered assigned by Q.921" },
481 { TEI_STATUS_UNASSIGNED, "TEI is considered unassigned by Q.921" },
484 #define TEI_STATUS_OFFSET PARAMETER_VALUE_OFFSET
485 #define TEI_STATUS_LENGTH 4
488 dissect_tei_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
490 proto_tree_add_item(parameter_tree, hf_tei_status, parameter_tvb, TEI_STATUS_OFFSET, TEI_STATUS_LENGTH, FALSE);
491 proto_item_append_text(parameter_item, " (%s)",
492 val_to_str(tvb_get_ntohl(parameter_tvb, TEI_STATUS_OFFSET), tei_status_values, "Unknown TEI status"));
494 /*----------------------TEI Status (RFC)---------------------------------------*/
496 /*----------------------TEI Status Indication,Confirm (Draft)------------------*/
497 #define TEI_DRAFT_IN_SERVICE 0x0
498 #define TEI_DRAFT_OUT_OF_SERVICE 0x1
500 static const value_string tei_draft_status_values[] = {
501 { TEI_DRAFT_IN_SERVICE, "TEI is in service" },
502 { TEI_DRAFT_OUT_OF_SERVICE,"TEI is out of service" },
505 #define TEI_STATUS_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
508 dissect_draft_tei_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
511 offset = tvb_get_ntohs(parameter_tvb, TEI_STATUS_LENGTH_OFFSET) + 8;
512 if(tvb_length_remaining(parameter_tvb, offset) > 0 ){
513 proto_tree_add_item(parameter_tree, hf_tei_draft_status, parameter_tvb, offset, TEI_STATUS_LENGTH, FALSE);
514 proto_item_append_text(parameter_item, " (%s)",
515 val_to_str(tvb_get_ntohl(parameter_tvb, offset), tei_draft_status_values, "Unknown TEI Status"));
518 /*----------------------TEI Status (Draft)-------------------------------------*/
520 /*----------------------ASP Up,Down,Active,Inactive (Draft)--------------------*/
523 dissect_asp_msg_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
525 guint16 adaptation_layer_id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
527 proto_tree_add_item(parameter_tree, hf_adaptation_layer_id, parameter_tvb, PARAMETER_VALUE_OFFSET, adaptation_layer_id_length, FALSE);
528 proto_item_append_text(parameter_item, " (%.*s)", adaptation_layer_id_length,
529 tvb_get_ephemeral_string(parameter_tvb, PARAMETER_VALUE_OFFSET, adaptation_layer_id_length));
533 dissect_scn_protocol_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
535 guint16 id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
536 proto_tree_add_item(parameter_tree, hf_scn_protocol_id, parameter_tvb, PARAMETER_VALUE_OFFSET, id_length, FALSE);
537 proto_item_append_text(parameter_item, " (%.*s)", id_length,
538 tvb_get_ephemeral_string(parameter_tvb, PARAMETER_VALUE_OFFSET, id_length));
541 /*----------------------ASP (Draft)--------------------------------------------*/
543 /*----------------------ASP Down + Ack (RFC)--------------------------------*/
544 /* define reason parameter for Application Server Process Maintenance (ASPM) Messages */
545 #define ASP_REASON_MGMT 1
547 static const value_string asp_reason_values[] = {
548 { ASP_REASON_MGMT, "Management inhibit" },
551 #define ASP_REASON_OFFSET PARAMETER_VALUE_OFFSET
552 #define ASP_REASON_LENGTH 4
555 dissect_asp_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
557 proto_tree_add_item(parameter_tree, hf_asp_reason, parameter_tvb, ASP_REASON_OFFSET, ASP_REASON_LENGTH, FALSE);
558 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ASP_REASON_OFFSET), asp_reason_values, "Unknown ASP down reason"));
562 /*----------------------ASP (RFC)----------------------------------------------*/
564 /*----------------------Heartbeat Data + Ack (RFC)-----------------------------*/
566 #define HEARTBEAT_MSG_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
567 #define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
568 #define HEARTBEAT_MSG_HEADER_LENGTH PARAMETER_HEADER_LENGTH
571 dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
573 guint16 heartbeat_data_length;
575 heartbeat_data_length = tvb_get_ntohs(parameter_tvb, HEARTBEAT_MSG_LENGTH_OFFSET) - HEARTBEAT_MSG_HEADER_LENGTH;
576 proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, ENC_NA);
577 proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
579 /*----------------------Heartbeat Data (RFC)-----------------------------------*/
582 /*----------------------ASP Active,Inactive + Ack (RFC)------------------------*/
583 #define OVER_RIDE_TRAFFIC_MODE_TYPE 1
584 #define LOAD_SHARE_TRAFFIC_MODE_TYPE 2
586 static const value_string traffic_mode_type_values[] = {
587 { OVER_RIDE_TRAFFIC_MODE_TYPE, "Over-ride" },
588 { LOAD_SHARE_TRAFFIC_MODE_TYPE, "Load-share" },
591 #define TRAFFIC_MODE_TYPE_LENGTH 4
592 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
595 dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
597 proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, FALSE);
598 proto_item_append_text(parameter_item, " (%s)",
599 val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "Unknown traffic mode type"));
602 #define INT_RANGE_START_OFFSET PARAMETER_VALUE_OFFSET
603 #define INT_RANGE_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
604 #define INT_RANGE_HEADER_LENGTH PARAMETER_HEADER_LENGTH
606 #define IF_ID_START_OFFSET 0
607 #define IF_ID_START_LENGTH 4
608 #define IF_ID_END_OFFSET (IF_ID_START_OFFSET + IF_ID_START_LENGTH)
609 #define IF_ID_END_LENGTH 4
610 #define IF_ID_INTERVAL_LENGTH (IF_ID_START_LENGTH + IF_ID_END_LENGTH)
614 dissect_integer_range_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
616 guint16 number_of_ranges, range_number, offset;
618 number_of_ranges = (tvb_get_ntohs(parameter_tvb, INT_RANGE_LENGTH_OFFSET) - INT_RANGE_HEADER_LENGTH) / IF_ID_INTERVAL_LENGTH;
619 offset = INT_RANGE_START_OFFSET;
620 for(range_number = 1; range_number <= number_of_ranges; range_number++) {
621 proto_tree_add_item(parameter_tree, hf_if_range_start, parameter_tvb, offset + IF_ID_START_OFFSET, IF_ID_START_LENGTH, FALSE);
622 proto_tree_add_item(parameter_tree, hf_if_range_end, parameter_tvb, offset + IF_ID_END_OFFSET, IF_ID_END_LENGTH, FALSE);
623 offset += IF_ID_INTERVAL_LENGTH;
626 proto_item_append_text(parameter_item, " (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
628 /*----------------------ASP Active,Inactive (RFC)------------------------------*/
630 /*----------------------Data Request,Indication (Draft,RFC)--------------------*/
632 #define DISCRIMINATOR_OFFSET 0
633 #define DISCRIMINATOR_LENGTH 1
634 #define ADDRESS_OFFSET 1
635 #define ADDRESS_LENGTH 1
636 #define LOW_ADDRESS_OFFSET 2
637 #define LOW_ADDRESS_LENGTH 1
639 #define ALL_ADDRESS_OFFSET 1
640 #define ALL_ADDRESS_LENGTH 2
642 #define MSG_TYPE_OFFSET 3
643 #define MSG_TYPE_LENGTH 1
644 #define MSG_HEADER_LENGTH 4
645 #define INFO_ELEMENT_OFFSET 4
646 #define INFO_ELEMENT_LENGTH 1
649 dissect_layer3_message(tvbuff_t *layer3_data_tvb, proto_tree *v5ua_tree,proto_item *parameter_item, packet_info *pinfo)
651 guint16 discriminator_offset;
653 if(iua_version == DRAFT){
654 discriminator_offset = DISCRIMINATOR_OFFSET;
657 discriminator_offset = DISCRIMINATOR_OFFSET + PARAMETER_HEADER_LENGTH;
660 if (tvb_get_guint8(layer3_data_tvb, discriminator_offset) == 0x48){
661 guint16 protocol_data_length;
662 tvbuff_t *protocol_data_tvb;
664 protocol_data_length = tvb_get_ntohs(layer3_data_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
665 protocol_data_tvb = tvb_new_subset(layer3_data_tvb, PARAMETER_VALUE_OFFSET, protocol_data_length, protocol_data_length);
667 call_dissector(v52_handle, protocol_data_tvb, pinfo, v5ua_tree);
669 proto_item_append_text(parameter_item, " (%u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
673 guint16 protocol_data_length;
674 tvbuff_t *protocol_data_tvb;
676 protocol_data_length = tvb_get_ntohs(layer3_data_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
677 protocol_data_tvb = tvb_new_subset(layer3_data_tvb, PARAMETER_VALUE_OFFSET, protocol_data_length, protocol_data_length);
678 call_dissector(q931_handle, protocol_data_tvb, pinfo, v5ua_tree);
680 proto_item_append_text(parameter_item, " (%u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
684 /*----------------------Data Request,Indication (Draft,RFC)------------------------*/
686 /*----------------------Establish Request,Confirm,Indication (Draft,RFC)-------*/
688 * no additional parameter
690 /*----------------------Establish Request,Confirm,Indication (Draft,RFC)-------*/
692 /*----------------------Release Indication, Request (Draft,RFC)----------------*/
694 /* define parameters for Release Request and Indication Messages */
695 #define RELEASE_MGMT 0x0
696 #define RELEASE_PHYS 0x1
697 #define RELEASE_DM 0x2
698 #define RELEASE_OTHER 0x3
700 static const value_string release_reason_values[] = {
701 { RELEASE_MGMT, "Management layer generated release" },
702 { RELEASE_PHYS, "Physical layer alarm generated release" },
703 { RELEASE_DM, "Specific to a request" },
704 { RELEASE_OTHER, "Other reason" },
707 #define RELEASE_REASON_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
708 #define RELEASE_REASON_OFFSET PARAMETER_VALUE_OFFSET
709 #define RELEASE_REASON_LENGTH 4
712 dissect_release_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
714 gint offset = RELEASE_REASON_OFFSET;
715 if(iua_version == DRAFT) offset = tvb_get_ntohs(parameter_tvb, RELEASE_REASON_LENGTH_OFFSET)+8;
716 proto_tree_add_item(parameter_tree, hf_release_reason, parameter_tvb, offset, RELEASE_REASON_LENGTH, FALSE);
717 if(iua_version != DRAFT)
718 proto_item_append_text(parameter_item, " (%s)",
719 val_to_str(tvb_get_ntohl(parameter_tvb, offset), release_reason_values, "Unknown release reason"));
721 /*----------------------Release Indication,Request (Draft,RFC)-----------------*/
723 /*----------------------Link Status Start,Stop Report (Draft,RFC)--------------*/
725 * No additional Parameter
727 /*----------------------Link Status Start,Stop Report (Draft,RFC)--------------*/
729 /*----------------------Link Status Indication (Draft,RFC)---------------------*/
731 /* define parameters for Link Status Indication */
732 #define LINK_STATUS_OPERTIONAL 0x0
733 #define LINK_STATUS_NON_OPERTIONAL 0x1
735 static const value_string link_status_values[] = {
736 { LINK_STATUS_OPERTIONAL, "Link operational" },
737 { LINK_STATUS_NON_OPERTIONAL, "Link not operational" },
740 #define LINK_STATUS_OFFSET PARAMETER_VALUE_OFFSET
741 #define LINK_STATUS_LENGTH 4
744 dissect_link_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
746 proto_tree_add_item(parameter_tree, hf_link_status, parameter_tvb, LINK_STATUS_OFFSET, LINK_STATUS_LENGTH, FALSE);
747 proto_item_append_text(parameter_item, " (%s)",
748 val_to_str(tvb_get_ntohl(parameter_tvb, LINK_STATUS_OFFSET),link_status_values, "Unknown Link status"));
750 link_status_operational = tvb_get_ntohl(parameter_tvb, LINK_STATUS_OFFSET);
752 /*----------------------Link Status Indication (Draft,RFC)---------------------*/
754 /*----------------------Sa-Bit (Draft,RFC)-------------------------------------*/
756 /* define parameter for sa-bit message */
757 #define SA_BIT_ID_ZERO 0x0
758 #define SA_BIT_ID_ONE 0x1
759 #define SA_BIT_VALUE_SA7 0x7
761 static const value_string sa_bit_values[] = {
762 { SA_BIT_ID_ZERO, "set value ZERO" },
763 { SA_BIT_ID_ONE, "set value ONE" },
764 { SA_BIT_VALUE_SA7, "Addresses the Sa7 Bit" },
767 #define SA_BIT_ID_OFFSET PARAMETER_VALUE_OFFSET
768 #define SA_BIT_ID_LENGTH 2
769 #define SA_BIT_VALUE_OFFSET (SA_BIT_ID_OFFSET + SA_BIT_ID_LENGTH)
770 #define SA_BIT_VALUE_LENGTH 2
773 dissect_sa_bit_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
775 proto_tree_add_item(parameter_tree, hf_sa_bit_id, parameter_tvb, SA_BIT_ID_OFFSET, SA_BIT_ID_LENGTH, FALSE);
776 proto_tree_add_item(parameter_tree, hf_sa_bit_value, parameter_tvb, SA_BIT_VALUE_OFFSET, SA_BIT_VALUE_LENGTH, FALSE);
777 proto_item_append_text(parameter_item, " (%s %s)",
778 val_to_str(tvb_get_ntohs(parameter_tvb, SA_BIT_ID_OFFSET), sa_bit_values, "unknown"),
779 val_to_str(tvb_get_ntohs(parameter_tvb, SA_BIT_VALUE_OFFSET), sa_bit_values, "unknown Bit"));
781 sa_bit_id = tvb_get_ntohs(parameter_tvb, SA_BIT_VALUE_OFFSET);
783 /*----------------------Sa-Bit (Draft,RFC)-------------------------------------*/
785 /*----------------------Error Indication (RFC)---------------------------------*/
787 #define ERROR_REASON_OVERLOAD 0x1
789 static const value_string error_reason_values[] = {
790 { ERROR_REASON_OVERLOAD, "C-Channel is in overload state" },
793 #define ERROR_REASON_LENGTH 4
794 #define ERROR_REASON_OFFSET PARAMETER_VALUE_OFFSET
797 dissect_error_indication_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
799 proto_tree_add_item(parameter_tree, hf_error_reason, parameter_tvb, ERROR_REASON_OFFSET, ERROR_REASON_LENGTH, FALSE);
800 proto_item_append_text(parameter_item, " (%s)",
801 val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_REASON_OFFSET), error_reason_values, "unknown"));
803 /*----------------------Error Indication (RFC)---------------------------------*/
805 /*--------------------------ASP identifier-------------------------------------*/
806 #define ASP_IDENTIFIER_LENGTH 4
807 #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
810 dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
812 proto_tree_add_item(parameter_tree, hf_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, FALSE);
813 proto_item_append_text(parameter_item, " (%d) ",tvb_get_ntohl(parameter_tvb,ASP_IDENTIFIER_OFFSET));
815 /*--------------------------ASP identifier-------------------------------------*/
817 #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
820 dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
822 guint16 info_string_length;
824 info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
825 if(iua_version == DRAFT) info_string_length += 4;
826 if(info_string_length > 4){
827 info_string_length -= PARAMETER_HEADER_LENGTH;
828 proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, FALSE);
829 proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
830 tvb_get_ephemeral_string(parameter_tvb, INFO_STRING_OFFSET, info_string_length));
836 dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
839 guint16 parameter_value_length;
841 parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
842 if (parameter_value_length > 0)
843 proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, ENC_NA);
845 proto_item_append_text(parameter_item, " with tag %u and %u byte%s value",
846 tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
849 #define Reserved_TAG 0x00
850 #define INT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x01
851 #define ASP_MSG_PARAMETER_TAG 0x02
852 #define TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x03
853 #define INFO_PARAMETER_TAG 0x04
854 #define DLCI_PARAMETER_TAG 0x81
855 #define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07
856 #define INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x08
857 #define HEARTBEAT_DATA_PARAMETER_TAG 0x09
858 #define ASP_DOWN_REASON_PARAMETER_TAG 0x0a
859 #define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b
860 #define ERROR_CODE_PARAMETER_TAG 0x0c
861 #define STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG 0x0d
862 #define PROTOCOL_DATA_PARAMETER_TAG 0x0e
863 #define RELEASE_REASON_PARAMETER_TAG 0x0f
864 #define TEI_STATUS_PARAMETER_TAG 0x10
865 #define ASP_IDENTIFIER_PARAMETER_TAG 0x11
866 #define NOT_USED_IN_IUA_PARAMETER_TAG 0x12
867 #define LINK_STATUS_PARAMETER_TAG 0x82
868 #define SA_BIT_STATUS_PARAMETER_TAG 0x83
869 #define ERROR_INDICATION_PARAMETER_TAG 0x84
871 static const value_string parameter_tag_values[] = {
872 { Reserved_TAG, "Reserved" },
873 { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Interface Identifier (integer)" },
874 { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Interface Identifier (text)" },
875 { INFO_PARAMETER_TAG, "Info string" },
876 { DLCI_PARAMETER_TAG, "DLCI" },
877 { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
878 { INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Interface Identifier Range" },
879 { HEARTBEAT_DATA_PARAMETER_TAG, "Hearbeat data" },
880 { ASP_DOWN_REASON_PARAMETER_TAG, "ASP DOWN Reason" },
881 { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
882 { ERROR_CODE_PARAMETER_TAG, "Error code" },
883 { STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG, "Status type/identification" },
884 { PROTOCOL_DATA_PARAMETER_TAG, "Protocol Data" },
885 { RELEASE_REASON_PARAMETER_TAG, "Release Reason" },
886 { TEI_STATUS_PARAMETER_TAG, "TEI status" },
887 { ASP_IDENTIFIER_PARAMETER_TAG, "ASP Identifier" },
888 { NOT_USED_IN_IUA_PARAMETER_TAG, "Not used in IUA" },
889 { LINK_STATUS_PARAMETER_TAG, "Link status" },
890 { SA_BIT_STATUS_PARAMETER_TAG, "SA-Bit status" },
891 { ERROR_INDICATION_PARAMETER_TAG, "Error reason" },
894 static const value_string parameter_tag_draft_values[] = {
895 { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "V5UA Interface Identifier (int)" },
896 { ASP_MSG_PARAMETER_TAG, "ASP Adaption Layer ID" },
897 { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "SCN Protocol Identifier" },
898 { INFO_PARAMETER_TAG, "Info" },
899 { PROTOCOL_DATA_PARAMETER_TAG, "Protocol Data" },
900 { LINK_STATUS_PARAMETER_TAG, "Link status" },
901 { SA_BIT_STATUS_PARAMETER_TAG, "SA-Bit status" },
902 { ERROR_INDICATION_PARAMETER_TAG, "Error reason" },
906 dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *v5ua_tree)
908 guint16 tag, length, padding_length;
909 proto_item *parameter_item;
910 proto_tree *parameter_tree;
912 /* extract tag and length from the parameter */
913 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
914 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
915 /* on IUA-Draft messages the message length not including the message header */
916 if((iua_version==DRAFT)&&(tag<=0x4)){
917 /* at V5UA Header, length of header and length of DLCI+EFA must be added */
918 if(tag==0x1) length += 8;
919 /* at ASP message tags only length of header must be added */
920 else if(tag<=0x4) length += PARAMETER_HEADER_LENGTH;
921 /* for following message-tags are no length information available. Only in common msg header */
922 if((msg_class==0 || msg_class==1 || msg_class==9) && msg_type<=10)
925 padding_length = tvb_length(parameter_tvb) - length;
926 paddingl = padding_length;
928 /* create proto_tree stuff */
931 parameter_item = proto_tree_add_text(v5ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), "%s",
932 val_to_str(tag, parameter_tag_values, "Unknown parameter"));
933 parameter_tree = proto_item_add_subtree(parameter_item, ett_v5ua_parameter);
934 /* add tag to the v5ua tree */
935 proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, FALSE);
939 parameter_item = proto_tree_add_text(v5ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), "%s",
940 val_to_str(tag, parameter_tag_draft_values, "Unknown parameter"));
941 parameter_tree = proto_item_add_subtree(parameter_item, ett_v5ua_parameter);
943 /* add tag to the v5ua tree */
944 proto_tree_add_item(parameter_tree, hf_parameter_tag_draft, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, FALSE);
948 /* add length to the v5ua tree */
949 proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, FALSE);
952 case INT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
953 if(iua_version == RFC) dissect_int_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
954 if(iua_version == DRAFT){
955 dissect_int_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
956 dissect_dlci_parameter(parameter_tvb, parameter_tree, parameter_item, pinfo);
958 /* for the following parameters no tag- and length-informations available. Parameters must be dissect with info from common msg header */
959 if(msg_class==0 && msg_type==0) dissect_draft_error_code_parameter(parameter_tvb, parameter_tree);
960 if(msg_class==1) dissect_draft_tei_status_parameter(parameter_tvb, parameter_tree, parameter_item);
962 if(msg_type==1||msg_type==2||msg_type==3||msg_type==4){
963 guint16 length_2, offset;
964 tvbuff_t *layer3_data_tvb;
965 offset = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) + 8;
966 length_2 = msg_length - offset;
968 if(tvb_get_guint8(parameter_tvb, offset) == 0x48){
969 layer3_data_tvb = tvb_new_subset(parameter_tvb, offset, length_2, length_2);
970 dissect_layer3_message(layer3_data_tvb, v5ua_tree, parameter_item, pinfo);
974 else if(msg_type==8||msg_type==10) dissect_release_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
978 case ASP_MSG_PARAMETER_TAG:
979 dissect_asp_msg_parameter(parameter_tvb, parameter_tree, parameter_item);
981 case TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
982 if(iua_version == RFC)
983 dissect_text_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
984 if(iua_version == DRAFT)
985 dissect_scn_protocol_id_parameter(parameter_tvb, parameter_tree, parameter_item);
987 case INFO_PARAMETER_TAG:
988 dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
990 case DLCI_PARAMETER_TAG:
991 dissect_dlci_parameter(parameter_tvb, parameter_tree, parameter_item, pinfo);
993 case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
994 dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
996 case INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG:
997 dissect_integer_range_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
999 case HEARTBEAT_DATA_PARAMETER_TAG:
1000 dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
1002 case ASP_DOWN_REASON_PARAMETER_TAG:
1003 dissect_asp_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
1005 case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
1006 dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
1008 case ERROR_CODE_PARAMETER_TAG:
1009 dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
1011 case STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG:
1012 dissect_status_type_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
1014 case PROTOCOL_DATA_PARAMETER_TAG:
1015 dissect_layer3_message(parameter_tvb, v5ua_tree, parameter_item, pinfo);
1017 case RELEASE_REASON_PARAMETER_TAG:
1018 dissect_release_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
1020 case TEI_STATUS_PARAMETER_TAG:
1021 dissect_tei_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1023 case ASP_IDENTIFIER_PARAMETER_TAG:
1024 dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1026 case LINK_STATUS_PARAMETER_TAG:
1027 dissect_link_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1029 case SA_BIT_STATUS_PARAMETER_TAG:
1030 dissect_sa_bit_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1032 case ERROR_INDICATION_PARAMETER_TAG:
1033 dissect_error_indication_parameter( parameter_tvb, parameter_tree, parameter_item);
1036 dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
1040 if (padding_length > 0){
1041 proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, ENC_NA);
1044 /* dissect the V5UA-Parameters into subsets which are separated by Tag-Length-Header and call up the dissector for the subsets */
1046 dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree _U_, proto_tree *v5ua_tree)
1048 gint tag, offset, length, total_length, remaining_length;
1049 tvbuff_t *parameter_tvb;
1053 while((remaining_length = tvb_length_remaining(parameters_tvb, offset))) {
1054 tag = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_TAG_OFFSET);
1055 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
1056 if(iua_version==DRAFT){
1057 if(tag==0x1) length += 8; /* V5UA Header */
1058 else if(tag<=0x4) length += PARAMETER_HEADER_LENGTH; /* ASP MSGs */
1060 /* add the parameters which are not separated by tag-length-header to the V5UA header */
1061 if((msg_class==0 || msg_class==1 || msg_class==9)&&msg_type<=10)
1062 length = msg_length;
1064 total_length = ADD_PADDING(length);
1065 if (remaining_length >= length)
1066 total_length = MIN(total_length, remaining_length);
1067 /* create a tvb for the parameter including the padding bytes */
1068 parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
1069 dissect_parameter(parameter_tvb, pinfo, v5ua_tree);
1070 /* get rid of the handled parameter */
1071 offset += total_length;
1076 /* define the common header fields of V5UA MSG */
1077 #define COMMON_HEADER_VERSION_LENGTH 1
1078 #define COMMON_HEADER_RESERVED_LENGTH 1
1079 #define COMMON_HEADER_MSG_CLASS_LENGTH 1
1080 #define COMMON_HEADER_MSG_TYPE_LENGTH 1
1081 #define COMMON_HEADER_MSG_LENGTH_LENGTH 4
1082 #define COMMON_HEADER_LENGTH (COMMON_HEADER_VERSION_LENGTH + COMMON_HEADER_RESERVED_LENGTH +\
1083 COMMON_HEADER_MSG_CLASS_LENGTH + COMMON_HEADER_MSG_TYPE_LENGTH +\
1084 COMMON_HEADER_MSG_LENGTH_LENGTH)
1086 /* define the offsets of common header */
1087 #define COMMON_HEADER_OFFSET 0
1088 #define COMMON_HEADER_VERSION_OFFSET COMMON_HEADER_OFFSET
1089 #define COMMON_HEADER_RESERVED_OFFSET (COMMON_HEADER_VERSION_OFFSET + COMMON_HEADER_VERSION_LENGTH)
1090 #define COMMON_HEADER_MSG_CLASS_OFFSET (COMMON_HEADER_RESERVED_OFFSET + COMMON_HEADER_RESERVED_LENGTH)
1091 #define COMMON_HEADER_MSG_TYPE_OFFSET (COMMON_HEADER_MSG_CLASS_OFFSET + COMMON_HEADER_MSG_CLASS_LENGTH)
1092 #define COMMON_HEADER_MSG_LENGTH_OFFSET (COMMON_HEADER_MSG_TYPE_OFFSET + COMMON_HEADER_MSG_TYPE_LENGTH)
1093 #define COMMON_HEADER_PARAMETERS_OFFSET (COMMON_HEADER_OFFSET + COMMON_HEADER_LENGTH)
1095 /* version of V5UA protocol */
1096 #define V5UA_PROTOCOL_VERSION_RELEASE_1 1
1098 static const value_string v5ua_protocol_version_values[] = {
1099 { V5UA_PROTOCOL_VERSION_RELEASE_1, "Release 1.0" },
1102 /* define V5UA MSGs */
1103 #define MSG_CLASS_MGMT_MSG 0
1104 #define MSG_CLASS_MGMT_MSG_DRAFT 1
1105 #define MSG_CLASS_ASPSM_MSG 3
1106 #define MSG_CLASS_ASPTM_MSG 4
1107 #define MSG_CLASS_V5PTM_MSG_DRAFT 9
1108 #define MSG_CLASS_V5PTM_MSG 14
1110 static const value_string msg_class_values[] = {
1111 { MSG_CLASS_MGMT_MSG, "Management Messages" },
1112 { MSG_CLASS_MGMT_MSG_DRAFT,"Management Messages"},
1113 { MSG_CLASS_ASPSM_MSG, "ASP State Maintenance Message" },
1114 { MSG_CLASS_ASPTM_MSG, "ASP Traffic Maintenance Message" },
1115 { MSG_CLASS_V5PTM_MSG_DRAFT, "V5 Boundary Primitives Transport Message" },
1116 { MSG_CLASS_V5PTM_MSG, "V5 Boundary Primitives Transport Message" },
1119 /* message types for MGMT messages */
1120 #define MGMT_MSG_TYPE_ERR 0
1121 #define MGMT_MSG_TYPE_NTFY 1
1122 #define MGMT_MSG_TYPE_TEI_STATUS_REQ 2
1123 #define MGMT_MSG_TYPE_TEI_STATUS_CON 3
1124 #define MGMT_MSG_TYPE_TEI_STATUS_IND 4
1125 #define MGMT_MSG_TYPE_TEI_QUERY_REQUEST5 5
1126 #define MGMT_MSG_TYPE_TEI_QUERY_REQUEST 8
1129 /* MGMT messages for Nortel draft version*/
1130 #define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ 1
1131 #define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON 2
1132 #define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND 3
1133 #define MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5 5
1134 #define MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST 8
1137 /* message types for ASPSM messages */
1138 #define ASPSM_MSG_TYPE_Reserved 0
1139 #define ASPSM_MSG_TYPE_UP 1
1140 #define ASPSM_MSG_TYPE_DOWN 2
1141 #define ASPSM_MSG_TYPE_BEAT 3
1142 #define ASPSM_MSG_TYPE_UP_ACK 4
1143 #define ASPSM_MSG_TYPE_DOWN_ACK 5
1144 #define ASPSM_MSG_TYPE_BEAT_ACK 6
1146 /* message types for ASPTM messages */
1147 #define ASPTM_MSG_TYPE_Reserved 0
1148 #define ASPTM_MSG_TYPE_ACTIVE 1
1149 #define ASPTM_MSG_TYPE_INACTIVE 2
1150 #define ASPTM_MSG_TYPE_ACTIVE_ACK 3
1151 #define ASPTM_MSG_TYPE_INACTIVE_ACK 4
1153 /* message types for V5PTM messages */
1154 #define V5PTM_MSG_TYPE_Reserved 0
1155 #define V5PTM_MSG_TYPE_DATA_REQUEST 1
1156 #define V5PTM_MSG_TYPE_DATA_INDICATION 2
1157 #define V5PTM_MSG_TYPE_UNIT_DATA_REQUEST 3
1158 #define V5PTM_MSG_TYPE_UNIT_DATA_INDICATION 4
1159 #define V5PTM_MSG_TYPE_ESTABLISH_REQUEST 5
1160 #define V5PTM_MSG_TYPE_ESTABLISH_CONFIRM 6
1161 #define V5PTM_MSG_TYPE_ESTABLISH_INDICATION 7
1162 #define V5PTM_MSG_TYPE_RELEASE_REQUEST 8
1163 #define V5PTM_MSG_TYPE_RELEASE_CONFIRM 9
1164 #define V5PTM_MSG_TYPE_RELEASE_INDICATION 10
1165 #define V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING 11
1166 #define V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING 12
1167 #define V5PTM_MSG_TYPE_LINK_STATUS_INDICATION 13
1168 #define V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST 14
1169 #define V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM 15
1170 #define V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST 16
1171 #define V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION 17
1172 #define V5PTM_MSG_TYPE_ERROR_INDICATION 18
1174 #define MGMT_MSG_TYPE_TEI_STATUS_REQUEST5 5
1175 #define MGMT_MSG_TYPE_TEI_STATUS_REQUEST 8
1177 static const value_string msg_class_type_values[] = {
1178 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_ERR, "Error" },
1179 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_NTFY, "Notify" },
1180 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_REQ, "TEI status request" },
1181 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_CON, "TEI status confirmation" },
1182 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_IND, "TEI status indication" },
1183 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1184 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1186 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ, "TEI status request" },
1187 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON, "TEI status confimation" },
1188 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND, "TEI status indication" },
1189 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1190 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1193 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_Reserved, "Reserved" },
1194 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP, "ASP up" },
1195 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN, "ASP down" },
1196 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT, "Heartbeat" },
1197 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP_ACK, "ASP up ack" },
1198 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN_ACK, "ASP down ack" },
1199 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT_ACK, "Heartbeat ack" },
1201 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_Reserved , "Reserved" },
1202 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE , "ASP active" },
1203 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE , "ASP inactive" },
1204 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE_ACK , "ASP active ack" },
1205 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE_ACK , "ASP inactive ack" },
1207 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1208 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data request" },
1209 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data indication" },
1210 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
1211 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
1212 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Establish request" },
1213 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
1214 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Establish indication" },
1215 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Release request" },
1216 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Release confirmation" },
1217 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Release indication" },
1218 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link status start reporting" },
1219 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link status stop reporting" },
1220 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link status indication" },
1221 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit set request" },
1222 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set confirm" },
1223 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit status request" },
1224 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit status indication" },
1225 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error indication" },
1227 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1228 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data request" },
1229 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data indication" },
1230 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
1231 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
1232 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Establish request" },
1233 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
1234 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Establish indication" },
1235 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Release request" },
1236 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Release confirmation" },
1237 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Release indication" },
1238 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link status start reporting" },
1239 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link status stop reporting" },
1240 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link status indication" },
1241 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit set request" },
1242 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set confirm" },
1243 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit status request" },
1244 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit status indication" },
1245 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error indication" },
1249 static const value_string msg_class_type_values_short[] = {
1250 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_ERR, "Error" },
1251 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_NTFY, "Notify" },
1252 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_REQ, "TEI status request" },
1253 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_CON, "TEI status confirmation" },
1254 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_IND, "TEI status indication" },
1255 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1256 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1258 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ, "TEI status request" },
1259 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON, "TEI status confimation" },
1260 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND, "TEI status indication" },
1261 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1262 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1265 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_Reserved, "Reserved" },
1266 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP, "ASP up" },
1267 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN, "ASP down" },
1268 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT, "Heartbeat" },
1269 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP_ACK, "ASP up ack" },
1270 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN_ACK, "ASP down ack" },
1271 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT_ACK, "Heartbeat ack" },
1273 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_Reserved , "Reserved" },
1274 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE , "ASP active" },
1275 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE , "ASP inactive" },
1276 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE_ACK , "ASP active ack" },
1277 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE_ACK , "ASP inactive ack" },
1279 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1280 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data request" },
1281 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data indication" },
1282 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
1283 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
1284 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Establish request" },
1285 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
1286 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Establish indication" },
1287 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Release request" },
1288 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Release confirmation" },
1289 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Release indication" },
1290 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link status start reporting" },
1291 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link status stop reporting" },
1292 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link status indication" },
1293 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit set request" },
1294 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set confirm" },
1295 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit status request" },
1296 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit status indication" },
1297 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error indication" },
1300 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1301 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data Req" },
1302 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data Ind" },
1303 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "U Data Req" },
1304 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "U Data Ind" },
1305 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Est Req" },
1306 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Est Conf" },
1307 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Est Ind" },
1308 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Rel Req" },
1309 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Rel Con" },
1310 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Rel Ind" },
1311 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link Status Start Rep" },
1312 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link Status Stop Rep" },
1313 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link Status Ind" },
1314 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit Set Req" },
1315 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set Conf" },
1316 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit Status Req" },
1317 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit Status Ind" },
1318 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error Ind" },
1323 dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *v5ua_tree)
1325 proto_item *common_header_item;
1326 proto_tree *common_header_tree;
1328 guint8 message_class, message_type;
1330 message_class = tvb_get_guint8(common_header_tvb, COMMON_HEADER_MSG_CLASS_OFFSET);
1331 message_type = tvb_get_guint8(common_header_tvb, COMMON_HEADER_MSG_TYPE_OFFSET);
1333 /* Add message type into info column */
1334 col_add_str(pinfo->cinfo, COL_INFO, val_to_str(message_class * 256 + message_type, msg_class_type_values_short, "UNKNOWN"));
1339 /* create proto_tree stuff */
1340 common_header_item = proto_tree_add_text(v5ua_tree, common_header_tvb, COMMON_HEADER_OFFSET, tvb_length(common_header_tvb),"Common Msg-Header");
1341 common_header_tree = proto_item_add_subtree(common_header_item, ett_v5ua_common_header);
1343 /* add the components of the common header to the protocol tree */
1344 proto_tree_add_item(common_header_tree, hf_version, common_header_tvb, COMMON_HEADER_VERSION_OFFSET, COMMON_HEADER_VERSION_LENGTH, FALSE);
1345 proto_tree_add_item(common_header_tree, hf_reserved, common_header_tvb, COMMON_HEADER_RESERVED_OFFSET, COMMON_HEADER_RESERVED_LENGTH, FALSE);
1346 proto_tree_add_item(common_header_tree, hf_msg_class, common_header_tvb, COMMON_HEADER_MSG_CLASS_OFFSET, COMMON_HEADER_MSG_CLASS_LENGTH, FALSE);
1347 proto_tree_add_uint_format(common_header_tree, hf_msg_type,
1348 common_header_tvb, COMMON_HEADER_MSG_TYPE_OFFSET, COMMON_HEADER_MSG_TYPE_LENGTH,
1349 message_type, "Message type: %s ( %u )",
1350 val_to_str(message_class * 256 + message_type, msg_class_type_values, "reserved"), message_type);
1351 proto_tree_add_item(common_header_tree, hf_msg_length, common_header_tvb, COMMON_HEADER_MSG_LENGTH_OFFSET, COMMON_HEADER_MSG_LENGTH_LENGTH, FALSE);
1353 /* Add message type to the Common Msg-Header line */
1354 proto_item_append_text(common_header_item, " (%s)",val_to_str(message_class * 256 + message_type, msg_class_type_values, "Unknown Msg-Type"));
1355 messageclassCopy = message_class;
1358 /* the following info are required to dissect IUA-Draft messages.
1359 In the DRAFT-Specification V5UA-Parameters are not separated by Tag-Length-Header (as defined in RFC-Spec) */
1360 if (iua_version == DRAFT){
1361 msg_class = message_class;
1362 msg_type = message_type;
1363 msg_length = tvb_get_ntohl (common_header_tvb, COMMON_HEADER_MSG_LENGTH_OFFSET);
1367 /* dissect the V5UA-packet in two subsets: Common Msg-Header (used by all msgs) and V5UA-parameter */
1369 dissect_v5ua_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_tree *v5ua_tree)
1371 tvbuff_t *common_header_tvb, *parameters_tvb;
1373 common_header_tvb = tvb_new_subset(tvb, COMMON_HEADER_OFFSET, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
1374 dissect_common_header(common_header_tvb, pinfo, v5ua_tree);
1376 parameters_tvb = tvb_new_subset_remaining(tvb, COMMON_HEADER_LENGTH);
1377 dissect_parameters(parameters_tvb, pinfo, tree, v5ua_tree);
1378 if (dlci_efa >= 0 && dlci_efa <= 8175) {
1379 if ((messageclassCopy == 0) || (messageclassCopy == 3) || (messageclassCopy == 4)) {
1380 messageclassCopy = -1;
1383 col_append_str(pinfo->cinfo, COL_INFO, " | ");
1384 col_append_fstr(pinfo->cinfo, COL_INFO, "LinkId: %u", linkIdentifier);
1388 if (sa_bit_id > -1) {
1389 col_append_str(pinfo->cinfo, COL_INFO, " | ");
1390 col_append_fstr(pinfo->cinfo, COL_INFO, "SA7bit: %u", sa_bit_id);
1394 if (link_status_operational > -1) {
1395 if (link_status_operational == 0) {
1396 col_append_str(pinfo->cinfo, COL_INFO, " | operational");
1398 else if (link_status_operational == 1) {
1399 col_append_str(pinfo->cinfo, COL_INFO, " | non-operational");
1402 link_status_operational = -1;
1408 dissect_v5ua(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
1411 gint offset, remaining_length, length, tag, one_bit;
1414 /* Set up structures needed to add the protocol subtree and manage it */
1415 proto_tree *v5ua_tree;
1418 /* Make entries in Protocol column and Info column on summary display */
1419 col_set_str(pinfo->cinfo, COL_PROTOCOL, "V5UA");
1421 col_clear(pinfo->cinfo, COL_INFO);
1423 /* create display subtree for the protocol */
1424 ti = proto_tree_add_item(tree, proto_v5ua, tvb, 0, -1, FALSE);
1425 v5ua_tree = proto_item_add_subtree(ti, ett_v5ua);
1431 /* detect version of IUA */
1433 offset = COMMON_HEADER_LENGTH;
1435 remaining_length = tvb_length_remaining(tvb, offset);
1437 while(remaining_length) {
1438 tag = tvb_get_ntohs(tvb, offset);
1439 /*0x01,0x03: Inerface Id (draft&RFC)*/
1441 length = tvb_get_ntohs(tvb, offset+2);
1442 tag = tvb_get_ntohs(tvb, offset+length);
1443 /* tag 0x5 indicates the DLCI in the V5UA-Header accoriding to RFC spec */
1445 remaining_length = FALSE;
1448 one_bit = tvb_get_guint8(tvb, offset+4+length+1);
1449 /* no indication from DLCI by tag (in the V5UA-Header according DRAFT).
1450 Thus the ONE-Bit within DLCI have to compare */
1451 if((one_bit & 0x01) == 0x01){
1452 iua_version = DRAFT;
1453 remaining_length = FALSE;
1455 /* an indication to incorrect bit in DLCI.
1456 Must be include to decode an incorrect implemented message on Nortels PVG*/
1458 proto_item_append_text(v5ua_tree, " !! DLCI INCORRECT !!");
1460 iua_version = DRAFT;
1461 remaining_length = FALSE;
1465 /*0x02: AL Id (draft) following after common msg header without V5UA header*/
1467 iua_version = DRAFT;
1468 remaining_length = FALSE;
1470 /*0x03: Text formatted IId SHALL not be supported by draft*/
1473 remaining_length = FALSE;
1476 remaining_length = FALSE;
1478 /*ASP, Notify and Error messages (RFC) only contain common msg header followed by parameter*/
1479 else if(tag==0x04 || tag == 0x0a || tag == 0x0b || tag == 0x0c || tag == 0x0d){
1480 remaining_length = FALSE;
1484 remaining_length = tvb_length_remaining(tvb, offset);
1486 /* add a notice for the draft version */
1487 if(iua_version == DRAFT){
1488 col_set_str(pinfo->cinfo, COL_PROTOCOL, "V5UA (draft)");
1492 /* dissect the message */
1493 dissect_v5ua_message(tvb, pinfo, tree, v5ua_tree);
1497 /* Register the protocol with Wireshark */
1499 /* this format is require because a script is used to build the C function
1500 that calls all the protocol registration. */
1503 proto_register_v5ua(void)
1506 /* Setup list of header fields */
1507 static hf_register_info hf[] = {
1509 { "Version", "v5ua.version",
1510 FT_UINT8, BASE_DEC, VALS(v5ua_protocol_version_values),0x0,
1513 { "Reserved", "v5ua.reserved",
1514 FT_UINT8, BASE_HEX, NULL, 0x0,
1517 { "Message class", "v5ua.msg_class",
1518 FT_UINT8, BASE_DEC, VALS(msg_class_values), 0x0,
1521 { "Message Type", "v5ua.msg_type",
1522 FT_UINT8, BASE_DEC, NULL, 0x0,
1525 { "Message Type ID", "v5ua.msg_type_id",
1526 FT_UINT8, BASE_DEC, VALS(msg_class_type_values), 0x0,
1529 { "Message length", "v5ua.msg_length",
1530 FT_UINT32, BASE_DEC, NULL, 0x0,
1533 { "Link Identifier", "v5ua.link_id",
1534 FT_UINT32, BASE_DEC, NULL, 0xffffffe0,
1537 { "Channel Identifier", "v5ua.channel_id",
1538 FT_UINT8, BASE_DEC, NULL, 0x1f,
1541 { &hf_adaptation_layer_id,
1542 { "Adaptation Layer ID", "v5ua.adaptation_layer_id",
1543 FT_STRING, BASE_NONE,NULL, 0x0,
1546 { "Text interface identifier","v5ua.text_interface_id",
1547 FT_STRING, BASE_NONE,NULL, 0x0,
1549 { &hf_scn_protocol_id,
1550 { "SCN Protocol Identifier","v5ua.scn_protocol_id",
1551 FT_STRING, BASE_NONE,NULL, 0x0,
1554 { "Info String", "v5ua.info_string",
1555 FT_STRING, BASE_NONE,NULL, 0x0,
1557 { &hf_asp_identifier,
1558 { "ASP Identifier", "v5ua.asp_identifier",
1559 FT_UINT32, BASE_HEX, NULL, 0x0,
1561 { &hf_dlci_zero_bit,
1562 { "Zero bit", "v5ua.dlci_zero_bit",
1563 FT_BOOLEAN, 8, NULL, 0x01,
1565 { &hf_dlci_spare_bit,
1566 { "Spare bit", "v5ua.dlci_spare_bit",
1567 FT_BOOLEAN, 8, NULL, 0x02,
1570 { "SAPI", "v5ua.dlci_sapi",
1571 FT_UINT8, BASE_HEX, NULL, 0xfc,
1574 { "One bit", "v5ua.dlci_one_bit",
1575 FT_BOOLEAN, 8, NULL, 0x01,
1578 { "TEI", "v5ua.dlci_tei",
1579 FT_UINT8, BASE_HEX, NULL, 0xfe,
1582 { "Envelope Function Address","v5ua.efa",
1583 FT_UINT16, BASE_DEC, VALS(efa_values), 0x0,
1586 { "Envelope Function Address (spare)","v5ua.efa",
1587 FT_UINT16, BASE_DEC, NULL, ~7,
1590 { "Reason", "v5ua.asp_reason",
1591 FT_UINT32, BASE_HEX, VALS(asp_reason_values), 0x0,
1593 { &hf_release_reason,
1594 { "Release Reason", "v5ua.release_reason",
1595 FT_UINT32, BASE_HEX, VALS(release_reason_values), 0x0,
1598 { "TEI status", "v5ua.tei_status",
1599 FT_UINT32, BASE_HEX, VALS(tei_status_values), 0x0,
1601 { &hf_tei_draft_status,
1602 { "TEI status", "v5ua.tei_draft_status",
1603 FT_UINT32, BASE_HEX, VALS(tei_draft_status_values), 0x0,
1606 { "Link Status", "v5ua.link_status",
1607 FT_UINT32, BASE_HEX, VALS(link_status_values), 0x0,
1610 { "BIT ID", "v5ua.sa_bit_id",
1611 FT_UINT16, BASE_HEX, VALS(sa_bit_values), 0x0,
1614 { "Bit Value", "v5ua.sa_bit_value",
1615 FT_UINT16, BASE_HEX, VALS(sa_bit_values), 0x0,
1617 { &hf_parameter_tag,
1618 { "Parameter Tag", "v5ua.parameter_tag",
1619 FT_UINT16, BASE_HEX, VALS(parameter_tag_values), 0x0,
1621 { &hf_parameter_tag_draft,
1622 { "Parameter Tag", "v5ua.parameter_tag",
1623 FT_UINT16, BASE_HEX, VALS(parameter_tag_draft_values), 0x0,
1625 { &hf_parameter_length,
1626 { "Parameter length", "v5ua.parameter_length",
1627 FT_UINT16, BASE_DEC, NULL, 0x0,
1629 { &hf_parameter_value,
1630 { "Parameter value", "v5ua.parameter_value",
1631 FT_BYTES, BASE_NONE,NULL, 0x0,
1633 { &hf_parameter_padding,
1634 { "Parameter padding", "v5ua.parameter_padding",
1635 FT_BYTES, BASE_NONE,NULL, 0x0,
1637 { &hf_diagnostic_info,
1638 { "Diagnostic Information", "v5ua.diagnostic_info",
1639 FT_BYTES, BASE_NONE,NULL, 0x0,
1641 { &hf_if_range_start,
1642 { "Interface range Start", "v5ua.interface_range_start",
1643 FT_UINT32, BASE_HEX, NULL, 0x0,
1646 { "Interface range End", "v5ua.interface_range_end",
1647 FT_UINT32, BASE_HEX, NULL, 0x0,
1649 { &hf_heartbeat_data,
1650 { "Heartbeat data", "v5ua.heartbeat_data",
1651 FT_BYTES, BASE_NONE,NULL, 0x0,
1653 { &hf_traffic_mode_type,
1654 { "Traffic mode type", "v5ua.traffic_mode_type",
1655 FT_UINT32, BASE_HEX, VALS(traffic_mode_type_values), 0x0,
1658 { "Error code", "v5ua.error_code",
1659 FT_UINT32, BASE_HEX, VALS(error_code_values), 0x0,
1661 { &hf_draft_error_code,
1662 { "Error code (draft)", "v5ua.draft_error_code",
1663 FT_UINT32, BASE_HEX, VALS(draft_error_code_values), 0x0,
1666 { "Status type", "v5ua.status_type",
1667 FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0,
1670 { "Status identification", "v5ua.status_id",
1671 FT_UINT16, BASE_DEC, NULL, 0x0,
1674 { "Error Reason", "v5ua.error_reason",
1675 FT_UINT32, BASE_HEX, VALS(error_reason_values), 0x0,
1679 /* Setup protocol subtree array */
1680 static gint *ett[] = {
1682 &ett_v5ua_common_header,
1683 &ett_v5ua_parameter,
1687 /* Register the protocol name and description */
1688 proto_v5ua = proto_register_protocol("V5.2-User Adaptation Layer", "V5UA", "v5ua");
1690 /* Required function calls to register the header fields and subtrees used */
1691 proto_register_field_array(proto_v5ua, hf, array_length(hf));
1692 proto_register_subtree_array(ett, array_length(ett));
1696 /* In RFC specification the SCTP registered User Port Number Assignment for V5UA is 5675 */
1697 #define SCTP_PORT_V5UA_RFC 5675
1698 #define SCTP_PORT_V5UA_DRAFT 10001
1701 proto_reg_handoff_v5ua(void)
1703 dissector_handle_t v5ua_handle;
1705 v5ua_handle = create_dissector_handle(dissect_v5ua, proto_v5ua);
1706 q931_handle = find_dissector("q931");
1707 v52_handle = find_dissector("v52");
1709 dissector_add_uint("sctp.port", SCTP_PORT_V5UA_DRAFT, v5ua_handle);
1710 dissector_add_uint("sctp.port", SCTP_PORT_V5UA_RFC, v5ua_handle);
1711 dissector_add_uint("sctp.ppi", V5UA_PAYLOAD_PROTOCOL_ID, v5ua_handle);