2 * Routines for Universal Mobile Telecommunications System (UMTS);
3 * Radio Resource Control (RRC) protocol specification
4 * (3GPP TS 25.331 packet dissection)
5 * Copyright 2006-2010, Anders Broman <anders.broman@ericsson.com>
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 * Ref: 3GPP TS 25.331 V14.4.0 (2017-09)
31 * - Fix ciphering information for circuit switched stuff
36 #include <epan/packet.h>
37 #include <epan/asn1.h>
38 #include <epan/conversation.h>
39 #include <epan/expert.h>
40 #include <epan/proto_data.h>
42 #include "packet-ber.h"
43 #include "packet-per.h"
44 #include "packet-rrc.h"
45 #include "packet-gsm_a_common.h"
46 #include "packet-nbap.h"
47 #include "packet-umts_fp.h"
48 #include "packet-umts_mac.h"
49 #include "packet-umts_rlc.h"
52 /* disable: "warning C4049: compiler limit : terminating line number emission" */
53 #pragma warning(disable:4049)
54 /* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */
55 #pragma warning(disable:4146)
58 #define PNAME "Radio Resource Control (RRC) protocol"
62 extern int proto_fp; /*Handler to FP*/
63 extern int proto_umts_mac; /*Handler to MAC*/
64 extern int proto_umts_rlc; /*Handler to RLC*/
66 GTree * hsdsch_muxed_flows = NULL;
67 GTree * rrc_ciph_info_tree = NULL;
68 wmem_tree_t* rrc_global_urnti_crnti_map = NULL;
69 static int msg_type _U_;
71 /*****************************************************************************/
72 /* Packet private data */
73 /* For this dissector, all access to actx->private_data should be made */
74 /* through this API, which ensures that they will not overwrite each other!! */
75 /*****************************************************************************/
77 typedef struct umts_rrc_private_data_t
79 guint32 s_rnc_id; /* The S-RNC ID part of a U-RNTI */
80 guint32 s_rnti; /* The S-RNTI part of a U-RNTI */
82 guint32 current_u_rnti;
83 guint32 scrambling_code;
84 enum nas_sys_info_gsm_map cn_domain;
85 wmem_strbuf_t* digits_strbuf; /* A collection of digits in a string. Used for reconstructing IMSIs or MCC-MNC pairs */
86 gboolean digits_strbuf_parsing_failed_flag; /* Whether an error occured when creating the IMSI/MCC-MNC pair string */
88 guint32 rlc_ciphering_sqn; /* Sequence number where ciphering starts in a given bearer */
89 rrc_ciphering_info* ciphering_info;
90 enum rrc_ue_state rrc_state_indicator;
91 } umts_rrc_private_data_t;
94 /* Helper function to get or create a struct that will be actx->private_data */
95 static umts_rrc_private_data_t* umts_rrc_get_private_data(asn1_ctx_t *actx)
97 if (actx->private_data != NULL) {
98 return (umts_rrc_private_data_t*)actx->private_data;
101 umts_rrc_private_data_t* new_struct = wmem_new0(wmem_packet_scope(), umts_rrc_private_data_t);
102 actx->private_data = new_struct;
107 static guint32 private_data_get_s_rnc_id(asn1_ctx_t *actx)
109 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
110 return private_data->s_rnc_id;
113 static void private_data_set_s_rnc_id(asn1_ctx_t *actx, guint32 s_rnc_id)
115 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
116 private_data->s_rnc_id = s_rnc_id;
119 static guint32 private_data_get_s_rnti(asn1_ctx_t *actx)
121 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
122 return private_data->s_rnti;
125 static void private_data_set_s_rnti(asn1_ctx_t *actx, guint32 s_rnti)
127 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
128 private_data->s_rnti = s_rnti;
131 static guint32 private_data_get_new_u_rnti(asn1_ctx_t *actx)
133 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
134 return private_data->new_u_rnti;
137 static void private_data_set_new_u_rnti(asn1_ctx_t *actx, guint32 new_u_rnti)
139 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
140 private_data->new_u_rnti = new_u_rnti;
143 static guint32 private_data_get_current_u_rnti(asn1_ctx_t *actx)
145 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
146 return private_data->current_u_rnti;
149 static void private_data_set_current_u_rnti(asn1_ctx_t *actx, guint32 current_u_rnti)
151 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
152 private_data->current_u_rnti = current_u_rnti;
155 static guint32 private_data_get_scrambling_code(asn1_ctx_t *actx)
157 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
158 return private_data->scrambling_code;
161 static void private_data_set_scrambling_code(asn1_ctx_t *actx, guint32 scrambling_code)
163 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
164 private_data->scrambling_code = scrambling_code;
167 static enum nas_sys_info_gsm_map private_data_get_cn_domain(asn1_ctx_t *actx)
169 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
170 return private_data->cn_domain;
173 static void private_data_set_cn_domain(asn1_ctx_t *actx, enum nas_sys_info_gsm_map cn_domain)
175 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
176 private_data->cn_domain = cn_domain;
179 static wmem_strbuf_t* private_data_get_digits_strbuf(asn1_ctx_t *actx)
181 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
182 return private_data->digits_strbuf;
185 static void private_data_set_digits_strbuf(asn1_ctx_t *actx, wmem_strbuf_t* digits_strbuf)
187 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
188 private_data->digits_strbuf = digits_strbuf;
191 static gboolean private_data_get_digits_strbuf_parsing_failed_flag(asn1_ctx_t *actx)
193 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
194 return private_data->digits_strbuf_parsing_failed_flag;
197 static void private_data_set_digits_strbuf_parsing_failed_flag(asn1_ctx_t *actx, gboolean digits_strbuf_parsing_failed_flag)
199 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
200 private_data->digits_strbuf_parsing_failed_flag = digits_strbuf_parsing_failed_flag;
203 static guint32 private_data_get_rbid(asn1_ctx_t *actx)
205 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
206 return private_data->rbid;
209 static void private_data_set_rbid(asn1_ctx_t *actx, guint32 rbid)
211 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
212 private_data->rbid = rbid;
215 static guint32 private_data_get_rlc_ciphering_sqn(asn1_ctx_t *actx)
217 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
218 return private_data->rlc_ciphering_sqn;
221 static void private_data_set_rlc_ciphering_sqn(asn1_ctx_t *actx, guint32 rlc_ciphering_sqn)
223 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
224 private_data->rlc_ciphering_sqn = rlc_ciphering_sqn;
227 static rrc_ciphering_info* private_data_get_ciphering_info(asn1_ctx_t *actx)
229 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
230 return private_data->ciphering_info;
233 static void private_data_set_ciphering_info(asn1_ctx_t *actx, rrc_ciphering_info* ciphering_info)
235 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
236 private_data->ciphering_info = ciphering_info;
239 static enum rrc_ue_state private_data_get_rrc_state_indicator(asn1_ctx_t *actx)
241 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
242 return private_data->rrc_state_indicator;
245 static void private_data_set_rrc_state_indicator(asn1_ctx_t *actx, enum rrc_ue_state rrc_state_indicator)
247 umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
248 private_data->rrc_state_indicator = rrc_state_indicator;
251 /*****************************************************************************/
253 static dissector_handle_t gsm_a_dtap_handle;
254 static dissector_handle_t rrc_ue_radio_access_cap_info_handle=NULL;
255 static dissector_handle_t rrc_pcch_handle=NULL;
256 static dissector_handle_t rrc_ul_ccch_handle=NULL;
257 static dissector_handle_t rrc_dl_ccch_handle=NULL;
258 static dissector_handle_t rrc_ul_dcch_handle=NULL;
259 static dissector_handle_t rrc_dl_dcch_handle=NULL;
260 static dissector_handle_t rrc_bcch_fach_handle=NULL;
261 static dissector_handle_t lte_rrc_ue_eutra_cap_handle=NULL;
262 static dissector_handle_t lte_rrc_dl_dcch_handle=NULL;
263 static dissector_handle_t gsm_rlcmac_dl_handle=NULL;
265 /* Forward declarations */
266 void proto_register_rrc(void);
267 void proto_reg_handoff_rrc(void);
268 static int dissect_UE_RadioAccessCapabilityInfo_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
269 static int dissect_SysInfoTypeSB1_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
270 static int dissect_SysInfoTypeSB2_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
271 static int dissect_SysInfoType5_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
272 static int dissect_SysInfoType11_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
273 static int dissect_SysInfoType11bis_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
274 static int dissect_SysInfoType11ter_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
275 static int dissect_SysInfoType22_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
277 /* Include constants */
278 #include "packet-rrc-val.h"
280 /* Initialize the protocol and registered fields */
283 #include "packet-rrc-hf.c"
285 /* Initialize the subtree pointers */
286 static int ett_rrc = -1;
288 #include "packet-rrc-ett.c"
290 static gint ett_rrc_eutraFeatureGroupIndicators = -1;
291 static gint ett_rrc_cn_CommonGSM_MAP_NAS_SysInfo = -1;
292 static gint ett_rrc_ims_info = -1;
293 static gint ett_rrc_cellIdentity = -1;
294 static gint ett_rrc_cipheringAlgorithmCap = -1;
295 static gint ett_rrc_integrityProtectionAlgorithmCap = -1;
297 static expert_field ei_rrc_no_hrnti = EI_INIT;
299 /* Global variables */
300 static proto_tree *top_tree;
302 static int hf_rrc_eutra_feat_group_ind_1 = -1;
303 static int hf_rrc_eutra_feat_group_ind_2 = -1;
304 static int hf_rrc_eutra_feat_group_ind_3 = -1;
305 static int hf_rrc_eutra_feat_group_ind_4 = -1;
306 static int hf_rrc_ims_info_atgw_trans_det_cont_type = -1;
307 static int hf_rrc_ims_info_atgw_udp_port = -1;
308 static int hf_rrc_ims_info_atgw_ipv4 = -1;
309 static int hf_rrc_ims_info_atgw_ipv6 = -1;
310 static int hf_rrc_cellIdentity_rnc_id = -1;
311 static int hf_rrc_cellIdentity_c_id = -1;
313 static const true_false_string rrc_eutra_feat_group_ind_1_val = {
314 "UTRA CELL_PCH to EUTRA RRC_IDLE cell reselection - Supported",
315 "UTRA CELL_PCH to EUTRA RRC_IDLE cell reselection - Not supported"
317 static const true_false_string rrc_eutra_feat_group_ind_2_val = {
318 "EUTRAN measurements and reporting in connected mode - Supported",
319 "EUTRAN measurements and reporting in connected mode - Not supported"
321 static const true_false_string rrc_eutra_feat_group_ind_3_val = {
322 "UTRA CELL_FACH absolute priority cell reselection for high priority layers - Supported",
323 "UTRA CELL_FACH absolute priority cell reselection for high priority layers - Not supported"
325 static const true_false_string rrc_eutra_feat_group_ind_4_val = {
326 "UTRA CELL_FACH absolute priority cell reselection for all layers - Supported",
327 "UTRA CELL_FACH absolute priority cell reselection for all layers - Not supported"
329 static const value_string rrc_ims_info_atgw_trans_det_cont_type[] = {
330 {0, "ATGW-IPv4-address-and-port"},
331 {1, "ATGW-IPv6-address-and-port"},
332 {2, "ATGW-not-available"},
335 static int flowd,type;
337 /*Stores how many channels we have detected for a HS-DSCH MAC-flow*/
338 #define RRC_MAX_NUM_HSDHSCH_MACDFLOW 8
339 static guint8 num_chans_per_flow[RRC_MAX_NUM_HSDHSCH_MACDFLOW];
342 * Return the maximum counter, useful for initiating counters
345 static int get_max_counter(int com_context){
348 rrc_ciphering_info * ciphering_info;
350 if( (ciphering_info = g_tree_lookup(rrc_ciph_info_tree, GINT_TO_POINTER((gint)com_context))) == NULL ){
353 for(i = 0; i<31; i++){
354 max = MAX(ciphering_info->ps_conf_counters[i][0], max);
355 max = MAX(ciphering_info->ps_conf_counters[i][1], max);
360 /** Utility functions used for various comparisons/cleanups in tree **/
361 static gint rrc_key_cmp(gconstpointer b_ptr, gconstpointer a_ptr, gpointer ignore _U_){
362 if( GPOINTER_TO_INT(a_ptr) > GPOINTER_TO_INT(b_ptr) ){
365 return GPOINTER_TO_INT(a_ptr) < GPOINTER_TO_INT(b_ptr);
368 static void rrc_free_key(gpointer key _U_){
369 /*Keys should be de allocated elsewhere.*/
373 static void rrc_free_value(gpointer value ){
377 static rrc_ciphering_info*
378 get_or_create_cipher_info(fp_info *fpinf, rlc_info *rlcinf) {
379 rrc_ciphering_info *cipher_info = NULL;
383 ueid = rlcinf->ueid[fpinf->cur_tb];
385 cipher_info = (rrc_ciphering_info *)g_tree_lookup(rrc_ciph_info_tree, GINT_TO_POINTER((gint)ueid));
386 if( cipher_info == NULL ){
387 cipher_info = g_new0(rrc_ciphering_info,1);
389 /*Initiate tree with START_PS values.*/
390 if(!cipher_info->start_ps)
391 cipher_info->start_ps = g_tree_new_full(rrc_key_cmp,
392 NULL,rrc_free_key,rrc_free_value);
394 /*Clear and initialize seq_no matrix*/
395 for(i = 0; i< 31; i++){
396 cipher_info->seq_no[i][0] = -1;
397 cipher_info->seq_no[i][1] = -1;
399 g_tree_insert(rrc_ciph_info_tree, GINT_TO_POINTER((gint)rlcinf->ueid[fpinf->cur_tb]), cipher_info);
404 /* Try to find the NBAP C-RNC Context and, if found, pair it with a given U-RNTI */
406 rrc_try_map_urnti_to_crncc(guint32 u_rnti, asn1_ctx_t *actx)
408 guint32 scrambling_code, crnc_context;
409 /* Getting the user's Uplink Scrambling Code*/
410 scrambling_code = private_data_get_scrambling_code(actx);
411 if (u_rnti != 0 && scrambling_code != 0) {
412 /* Looking for the C-RNC Context mapped to this Scrambling Code */
413 crnc_context = GPOINTER_TO_UINT(wmem_tree_lookup32(nbap_scrambling_code_crncc_map,scrambling_code));
414 if (crnc_context != 0) {
415 /* Mapping the U-RNTI to the C-RNC context*/
416 wmem_tree_insert32(nbap_crncc_urnti_map,crnc_context,GUINT_TO_POINTER(u_rnti));
421 #include "packet-rrc-fn.c"
425 dissect_rrc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
427 /* FIX ME Currently don't know the 'starting point' of this protocol
428 * exported DL-DCCH-Message is the entry point.
430 proto_item *rrc_item = NULL;
431 proto_tree *rrc_tree = NULL;
432 struct rrc_info *rrcinf;
435 rrcinf = (struct rrc_info *)p_get_proto_data(wmem_file_scope(), pinfo, proto_rrc, 0);
437 /* make entry in the Protocol column on summary display */
438 col_set_str(pinfo->cinfo, COL_PROTOCOL, "RRC");
441 memset(num_chans_per_flow,0,sizeof(guint8)*RRC_MAX_NUM_HSDHSCH_MACDFLOW);
443 /* create the rrc protocol tree */
444 rrc_item = proto_tree_add_item(tree, proto_rrc, tvb, 0, -1, ENC_NA);
445 rrc_tree = proto_item_add_subtree(rrc_item, ett_rrc);
448 switch (rrcinf->msgtype[pinfo->fd->subnum]) {
449 case RRC_MESSAGE_TYPE_PCCH:
450 call_dissector(rrc_pcch_handle, tvb, pinfo, rrc_tree);
452 case RRC_MESSAGE_TYPE_UL_CCCH:
453 call_dissector(rrc_ul_ccch_handle, tvb, pinfo, rrc_tree);
455 case RRC_MESSAGE_TYPE_DL_CCCH:
456 call_dissector(rrc_dl_ccch_handle, tvb, pinfo, rrc_tree);
458 case RRC_MESSAGE_TYPE_UL_DCCH:
459 call_dissector(rrc_ul_dcch_handle, tvb, pinfo, rrc_tree);
461 case RRC_MESSAGE_TYPE_DL_DCCH:
462 call_dissector(rrc_dl_dcch_handle, tvb, pinfo, rrc_tree);
464 case RRC_MESSAGE_TYPE_BCCH_FACH:
465 call_dissector(rrc_bcch_fach_handle, tvb, pinfo, rrc_tree);
471 return tvb_captured_length(tvb);
476 /*Initialize structure for muxed flow indication*/
477 hsdsch_muxed_flows = g_tree_new_full(rrc_key_cmp,
478 NULL, /* data pointer, optional */
482 rrc_ciph_info_tree = g_tree_new_full(rrc_key_cmp,
483 NULL, /* data pointer, optional */
487 /* Global U-RNTI / C-RNTI map to be used in RACH channels */
488 rrc_global_urnti_crnti_map = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
494 g_tree_destroy(hsdsch_muxed_flows);
495 g_tree_destroy(rrc_ciph_info_tree);
498 /*--- proto_register_rrc -------------------------------------------*/
499 void proto_register_rrc(void) {
502 static hf_register_info hf[] = {
504 #include "packet-rrc-hfarr.c"
506 { "RAB Test", "rrc.RAB.test",
507 FT_UINT8, BASE_DEC, NULL, 0,
508 "rrc.RAB_Info_r6", HFILL }},
509 { &hf_rrc_eutra_feat_group_ind_1,
510 { "Indicator 1", "rrc.eutra_feat_group_ind_1",
511 FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_1_val), 0,
512 "EUTRA Feature Group Indicator 1", HFILL }},
513 { &hf_rrc_eutra_feat_group_ind_2,
514 { "Indicator 2", "rrc.eutra_feat_group_ind_2",
515 FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_2_val), 0,
516 "EUTRA Feature Group Indicator 2", HFILL }},
517 { &hf_rrc_eutra_feat_group_ind_3,
518 { "Indicator 3", "rrc.eutra_feat_group_ind_3",
519 FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_3_val), 0,
520 "EUTRA Feature Group Indicator 3", HFILL }},
521 { &hf_rrc_eutra_feat_group_ind_4,
522 { "Indicator 4", "rrc.eutra_feat_group_ind_4",
523 FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_4_val), 0,
524 "EUTRA Feature Group Indicator 4", HFILL }},
525 { &hf_rrc_ims_info_atgw_trans_det_cont_type,
526 { "ATGW transfer details content type", "rrc.rsrvcc_info.ims_info_atgw_trans_det_cont",
527 FT_UINT8, BASE_DEC, VALS(rrc_ims_info_atgw_trans_det_cont_type), 0x3,
528 "rSR-VCC IMS information ATGW transfer details content type", HFILL }},
529 {&hf_rrc_ims_info_atgw_udp_port,
530 {"ATGW UDP port","rrc.rsrvcc_info.ims_info_atgw_udp_port",
531 FT_UINT16,BASE_DEC, NULL, 0x0,
532 "rSR-VCC IMS information ATGW UDP port", HFILL }},
533 { &hf_rrc_ims_info_atgw_ipv4,
534 {"ATGW IPv4", "rrc.rsrvcc_info.ims_info_atgw_ipv4",
535 FT_IPv4, BASE_NONE, NULL, 0x0,
536 "rSR-VCC IMS information ATGW IPv4", HFILL}},
537 { &hf_rrc_ims_info_atgw_ipv6,
538 {"ATGW IPv6", "rrc.rsrvcc_info.ims_info_atgw_ipv6",
539 FT_IPv6, BASE_NONE, NULL, 0x0,
540 "rSR-VCC IMS information ATGW IPv6", HFILL}},
541 { &hf_rrc_cellIdentity_rnc_id,
542 {"RNC Identifier", "rrc.cellIdentity.rnc_id",
543 FT_UINT32, BASE_DEC, NULL, 0,
544 "The RNC Identifier (RNC-Id) part of the Cell Identity", HFILL }},
545 { &hf_rrc_cellIdentity_c_id,
546 {"Cell Identifier", "rrc.cellIdentity.c_id",
547 FT_UINT32, BASE_DEC, NULL, 0,
548 "The Cell Identifier (C-Id) part of the Cell Identity", HFILL }}
551 /* List of subtrees */
552 static gint *ett[] = {
554 #include "packet-rrc-ettarr.c"
555 &ett_rrc_eutraFeatureGroupIndicators,
556 &ett_rrc_cn_CommonGSM_MAP_NAS_SysInfo,
558 &ett_rrc_cellIdentity,
559 &ett_rrc_cipheringAlgorithmCap,
560 &ett_rrc_integrityProtectionAlgorithmCap,
563 static ei_register_info ei[] = {
564 { &ei_rrc_no_hrnti, { "rrc.no_hrnti", PI_SEQUENCE, PI_NOTE, "Did not detect any H-RNTI", EXPFILL }},
567 expert_module_t* expert_rrc;
569 /* Register protocol */
570 proto_rrc = proto_register_protocol(PNAME, PSNAME, PFNAME);
571 /* Register fields and subtrees */
572 proto_register_field_array(proto_rrc, hf, array_length(hf));
573 proto_register_subtree_array(ett, array_length(ett));
574 expert_rrc = expert_register_protocol(proto_rrc);
575 expert_register_field_array(expert_rrc, ei, array_length(ei));
577 register_dissector("rrc", dissect_rrc, proto_rrc);
579 #include "packet-rrc-dis-reg.c"
584 register_init_routine(rrc_init);
585 register_cleanup_routine(rrc_cleanup);
589 /*--- proto_reg_handoff_rrc ---------------------------------------*/
591 proto_reg_handoff_rrc(void)
593 gsm_a_dtap_handle = find_dissector_add_dependency("gsm_a_dtap", proto_rrc);
594 rrc_pcch_handle = find_dissector("rrc.pcch");
595 rrc_ul_ccch_handle = find_dissector("rrc.ul.ccch");
596 rrc_dl_ccch_handle = find_dissector("rrc.dl.ccch");
597 rrc_ul_dcch_handle = find_dissector("rrc.ul.dcch");
598 rrc_dl_dcch_handle = find_dissector("rrc.dl.dcch");
599 rrc_ue_radio_access_cap_info_handle = find_dissector("rrc.ue_radio_access_cap_info");
600 rrc_dl_dcch_handle = find_dissector("rrc.dl.dcch");
601 lte_rrc_ue_eutra_cap_handle = find_dissector_add_dependency("lte-rrc.ue_eutra_cap", proto_rrc);
602 lte_rrc_dl_dcch_handle = find_dissector_add_dependency("lte-rrc.dl.dcch", proto_rrc);
603 rrc_bcch_fach_handle = find_dissector("rrc.bcch.fach");
604 gsm_rlcmac_dl_handle = find_dissector_add_dependency("gsm_rlcmac_dl", proto_rrc);