epan/dissectors/asn1/nr-rrc/packet-nr-rrc-template.c

   1 /* packet-nr-rrc-template.c
   2  * NR;
   3  * Radio Resource Control (RRC) protocol specification
   4  * (3GPP TS 38.331 V18.3.0 Release 18) packet dissection
   5  * Copyright 2018-2024, Pascal Quantin
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * SPDX-License-Identifier: GPL-2.0-or-later
  12  */
  13
  14 #include "config.h"
  15
  16 #include <stdlib.h>
  17
  18 #include <epan/packet.h>
  19 #include <epan/asn1.h>
  20 #include <epan/expert.h>
  21 #include <epan/reassemble.h>
  22 #include <epan/exceptions.h>
  23 #include <epan/show_exception.h>
  24 #include <epan/proto_data.h>
  25 #include <epan/prefs.h>
  26 #include <epan/tfs.h>
  27 #include <epan/unit_strings.h>
  28
  29 #include <wsutil/array.h>
  30
  31 #include <wsutil/str_util.h>
  32 #include <wsutil/epochs.h>
  33
  34 #include "packet-per.h"
  35 #include "packet-gsm_map.h"
  36 #include "packet-cell_broadcast.h"
  37 #include "packet-mac-nr.h"
  38 #include "packet-rlc-nr.h"
  39 #include "packet-pdcp-nr.h"
  40 #include "packet-rrc.h"
  41 #include "packet-lte-rrc.h"
  42 #include "packet-nr-rrc.h"
  43 #include "packet-gsm_a_common.h"
  44 #include "packet-lpp.h"
  45
  46 #define PNAME  "NR Radio Resource Control (RRC) protocol"
  47 #define PSNAME "NR RRC"
  48 #define PFNAME "nr-rrc"
  49
  50 void proto_register_nr_rrc(void);
  51 void proto_reg_handoff_nr_rrc(void);
  52
  53 static dissector_handle_t nas_5gs_handle;
  54 static dissector_handle_t lte_rrc_conn_reconf_handle;
  55 static dissector_handle_t lte_rrc_conn_reconf_compl_handle;
  56 static dissector_handle_t lte_rrc_ul_dcch_handle;
  57 static dissector_handle_t lte_rrc_dl_dcch_handle;
  58
  59 static wmem_map_t *nr_rrc_etws_cmas_dcs_hash;
  60
  61 static wmem_map_t *nr_rrc_dcch_segment_ueid_count_hash;
  62 static wmem_tree_t *nr_rrc_dcch_segment_id_tree;
  63
  64 static reassembly_table nr_rrc_sib7_reassembly_table;
  65 static reassembly_table nr_rrc_sib8_reassembly_table;
  66 static reassembly_table nr_rrc_dcch_segment_reassembly_table;
  67
  68 static bool nr_rrc_nas_in_root_tree;
  69 static bool nr_rrc_reassemble_dcch_segments;
  70
  71 extern int proto_mac_nr;
  72 extern int proto_rlc_nr;
  73 extern int proto_pdcp_nr;
  74
  75 /* Include constants */
  76 #include "packet-nr-rrc-val.h"
  77
  78 /* Initialize the protocol and registered fields */
  79 static int proto_nr_rrc;
  80 #include "packet-nr-rrc-hf.c"
  81 static int hf_nr_rrc_serialNumber_gs;
  82 static int hf_nr_rrc_serialNumber_msg_code;
  83 static int hf_nr_rrc_serialNumber_upd_nb;
  84 static int hf_nr_rrc_warningType_value;
  85 static int hf_nr_rrc_warningType_emergency_user_alert;
  86 static int hf_nr_rrc_warningType_popup;
  87 static int hf_nr_rrc_warningMessageSegment_nb_pages;
  88 static int hf_nr_rrc_warningMessageSegment_decoded_page;
  89 static int hf_nr_rrc_sib7_fragments;
  90 static int hf_nr_rrc_sib7_fragment;
  91 static int hf_nr_rrc_sib7_fragment_overlap;
  92 static int hf_nr_rrc_sib7_fragment_overlap_conflict;
  93 static int hf_nr_rrc_sib7_fragment_multiple_tails;
  94 static int hf_nr_rrc_sib7_fragment_too_long_fragment;
  95 static int hf_nr_rrc_sib7_fragment_error;
  96 static int hf_nr_rrc_sib7_fragment_count;
  97 static int hf_nr_rrc_sib7_reassembled_in;
  98 static int hf_nr_rrc_sib7_reassembled_length;
  99 static int hf_nr_rrc_sib7_reassembled_data;
 100 static int hf_nr_rrc_sib8_fragments;
 101 static int hf_nr_rrc_sib8_fragment;
 102 static int hf_nr_rrc_sib8_fragment_overlap;
 103 static int hf_nr_rrc_sib8_fragment_overlap_conflict;
 104 static int hf_nr_rrc_sib8_fragment_multiple_tails;
 105 static int hf_nr_rrc_sib8_fragment_too_long_fragment;
 106 static int hf_nr_rrc_sib8_fragment_error;
 107 static int hf_nr_rrc_sib8_fragment_count;
 108 static int hf_nr_rrc_sib8_reassembled_in;
 109 static int hf_nr_rrc_sib8_reassembled_length;
 110 static int hf_nr_rrc_sib8_reassembled_data;
 111 static int hf_nr_rrc_dcch_segment_fragments;
 112 static int hf_nr_rrc_dcch_segment_fragment;
 113 static int hf_nr_rrc_dcch_segment_fragment_overlap;
 114 static int hf_nr_rrc_dcch_segment_fragment_overlap_conflict;
 115 static int hf_nr_rrc_dcch_segment_fragment_multiple_tails;
 116 static int hf_nr_rrc_dcch_segment_fragment_too_long_fragment;
 117 static int hf_nr_rrc_dcch_segment_fragment_error;
 118 static int hf_nr_rrc_dcch_segment_fragment_count;
 119 static int hf_nr_rrc_dcch_segment_reassembled_in;
 120 static int hf_nr_rrc_dcch_segment_reassembled_length;
 121 static int hf_nr_rrc_dcch_segment_reassembled_data;
 122 static int hf_nr_rrc_utc_time;
 123 static int hf_nr_rrc_local_time;
 124 static int hf_nr_rrc_absolute_time;
 125
 126 /* Initialize the subtree pointers */
 127 static int ett_nr_rrc;
 128 #include "packet-nr-rrc-ett.c"
 129 static int ett_nr_rrc_DedicatedNAS_Message;
 130 static int ett_nr_rrc_targetRAT_MessageContainer;
 131 static int ett_nr_rrc_nas_Container;
 132 static int ett_nr_rrc_serialNumber;
 133 static int ett_nr_rrc_warningType;
 134 static int ett_nr_rrc_dataCodingScheme;
 135 static int ett_nr_rrc_sib7_fragment;
 136 static int ett_nr_rrc_sib7_fragments;
 137 static int ett_nr_rrc_sib8_fragment;
 138 static int ett_nr_rrc_sib8_fragments;
 139 static int ett_nr_rrc_dcch_segment_fragment;
 140 static int ett_nr_rrc_dcch_segment_fragments;
 141 static int ett_nr_rrc_warningMessageSegment;
 142 static int ett_nr_rrc_timeInfo;
 143 static int ett_nr_rrc_capabilityRequestFilter;
 144 static int ett_nr_rrc_sourceSCG_EUTRA_Config;
 145 static int ett_nr_rrc_scg_CellGroupConfigEUTRA;
 146 static int ett_nr_rrc_candidateCellInfoListSN_EUTRA;
 147 static int ett_nr_rrc_candidateCellInfoListMN_EUTRA;
 148 static int ett_nr_rrc_sourceConfigSCG_EUTRA;
 149 static int ett_nr_rrc_eutra_SCG;
 150 static int ett_nr_rrc_nr_SCG_Response;
 151 static int ett_nr_rrc_eutra_SCG_Response;
 152 static int ett_nr_rrc_measResultSCG_FailureMRDC;
 153 static int ett_nr_rrc_ul_DCCH_MessageNR;
 154 static int ett_nr_rrc_ul_DCCH_MessageEUTRA;
 155 static int ett_rr_rrc_nas_SecurityParamFromNR;
 156 static int ett_nr_rrc_sidelinkUEInformationNR;
 157 static int ett_nr_rrc_sidelinkUEInformationEUTRA;
 158 static int ett_nr_rrc_ueAssistanceInformationEUTRA;
 159 static int ett_nr_rrc_dl_DCCH_MessageNR;
 160 static int ett_nr_rrc_dl_DCCH_MessageEUTRA;
 161 static int ett_nr_rrc_sl_ConfigDedicatedEUTRA;
 162 static int ett_nr_rrc_sl_CapabilityInformationSidelink;
 163 static int ett_nr_rrc_measResult_RLF_Report_EUTRA;
 164 static int ett_nr_rrc_measResult_RLF_Report_EUTRA_v1690;
 165 static int ett_nr_rrc_locationTimestamp_r16;
 166 static int ett_nr_rrc_locationCoordinate_r16;
 167 static int ett_nr_rrc_locationError_r16;
 168 static int ett_nr_rrc_locationSource_r16;
 169 static int ett_nr_rrc_velocityEstimate_r16;
 170 static int ett_nr_rrc_sensor_MeasurementInformation_r16;
 171 static int ett_nr_rrc_sensor_MotionInformation_r16;
 172 static int ett_nr_rrc_bandParametersSidelinkEUTRA1_r16;
 173 static int ett_nr_rrc_bandParametersSidelinkEUTRA2_r16;
 174 static int ett_nr_rrc_sl_ParametersEUTRA1_r16;
 175 static int ett_nr_rrc_sl_ParametersEUTRA2_r16;
 176 static int ett_nr_rrc_sl_ParametersEUTRA3_r16;
 177 static int ett_nr_rrc_absTimeInfo;
 178 static int ett_nr_rrc_assistanceDataSIB_Element_r16;
 179 static int ett_nr_rrc_sl_V2X_ConfigCommon_r16;
 180 static int ett_nr_rrc_tdd_Config_r16;
 181 static int ett_nr_rrc_coarseLocationInfo_r17;
 182 static int ett_nr_rrc_sl_MeasResultsCandRelay_r17;
 183 static int ett_nr_rrc_sl_MeasResultServingRelay_r17;
 184 static int ett_nr_rrc_ReferenceLocation_r17;
 185 static int ett_nr_rrc_wayPointLocation_r18;
 186
 187 static expert_field ei_nr_rrc_number_pages_le15;
 188
 189 /* Forward declarations */
 190 static int dissect_UECapabilityInformationSidelink_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
 191 static int dissect_DL_DCCH_Message_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
 192 static int dissect_DL_CCCH_Message_PDU(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_);
 193 static int dissect_UL_CCCH_Message_PDU(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_);
 194 static int dissect_UERadioAccessCapabilityInformation_PDU(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_);
 195 static int dissect_SL_MeasResultListRelay_r17_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
 196 static int dissect_SL_MeasResultRelay_r17_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
 197
 198 static const unit_name_string units_periodicities = { " periodicity", " periodicities" };
 199 static const unit_name_string units_prbs = { " PRB", " PRBs" };
 200 static const unit_name_string units_slots = { " slot", " slots" };
 201
 202 typedef struct {
 203   uint8_t rat_type;
 204   uint8_t target_rat_type;
 205   uint16_t message_identifier;
 206   uint8_t warning_message_segment_type;
 207   uint8_t warning_message_segment_number;
 208   nr_drb_mac_rlc_mapping_t drb_rlc_mapping;
 209   nr_drb_rlc_pdcp_mapping_t drb_pdcp_mapping;
 210   lpp_pos_sib_type_t pos_sib_type;
 211   pdcp_nr_security_info_t pdcp_security;
 212   uint8_t dcch_segment_number;
 213   tvbuff_t *dcch_segment;
 214   bool dcch_segment_last;
 215 } nr_rrc_private_data_t;
 216
 217 /* Helper function to get UE identifier from lower layers (in order MAC, RLC, PDCP) */
 218 static uint16_t*
 219 nr_rrc_get_ueid_from_lower_layers(wmem_allocator_t *scope, struct _packet_info* pinfo)
 220 {
 221   /* Try MAC first */
 222   mac_nr_info *p_mac_nr_info = (mac_nr_info *)p_get_proto_data(scope, pinfo, proto_mac_nr, 0);
 223   if (p_mac_nr_info != NULL) {
 224     return &p_mac_nr_info->ueid;
 225   }
 226   /* Not found, try RLC */
 227   rlc_nr_info *p_rlc_nr_info = (rlc_nr_info *)p_get_proto_data(scope, pinfo, proto_rlc_nr, 0);
 228   if (p_rlc_nr_info != NULL) {
 229     return &p_rlc_nr_info->ueid;
 230   }
 231   /* Not found, try PDCP */
 232   pdcp_nr_info *p_pdcp_nr_info = (pdcp_nr_info *)p_get_proto_data(scope, pinfo, proto_pdcp_nr, 0);
 233   if (p_pdcp_nr_info != NULL) {
 234     return &p_pdcp_nr_info->ueid;
 235   }
 236   /* Nothing found, give up */
 237   return NULL;
 238 }
 239
 240 /* Helper function to get or create a struct that will be actx->private_data */
 241 static nr_rrc_private_data_t*
 242 nr_rrc_get_private_data(asn1_ctx_t *actx)
 243 {
 244   if (actx->private_data == NULL) {
 245     actx->private_data = wmem_new0(actx->pinfo->pool, nr_rrc_private_data_t);
 246   }
 247   return (nr_rrc_private_data_t*)actx->private_data;
 248 }
 249
 250
 251 static void
 252 nr_rrc_call_dissector(dissector_handle_t handle, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 253 {
 254   TRY {
 255     call_dissector(handle, tvb, pinfo, tree);
 256   }
 257   CATCH_BOUNDS_ERRORS {
 258     show_exception(tvb, pinfo, tree, EXCEPT_CODE, GET_MESSAGE);
 259   }
 260   ENDTRY;
 261 }
 262
 263 static void
 264 nr_rrc_q_RxLevMin_fmt(char *s, uint32_t v)
 265 {
 266   int32_t d = (int32_t)v;
 267
 268   snprintf(s, ITEM_LABEL_LENGTH, "%d dB (%d)", 2*d, d);
 269 }
 270
 271 static const value_string nr_rrc_serialNumber_gs_vals[] = {
 272   { 0, "Display mode immediate, cell wide"},
 273   { 1, "Display mode normal, PLMN wide"},
 274   { 2, "Display mode normal, tracking area wide"},
 275   { 3, "Display mode normal, cell wide"},
 276   { 0, NULL},
 277 };
 278
 279 static const value_string nr_rrc_warningType_vals[] = {
 280   { 0, "Earthquake"},
 281   { 1, "Tsunami"},
 282   { 2, "Earthquake and Tsunami"},
 283   { 3, "Test"},
 284   { 4, "Other"},
 285   { 0, NULL},
 286 };
 287
 288 static const fragment_items nr_rrc_sib7_frag_items = {
 289   &ett_nr_rrc_sib7_fragment,
 290   &ett_nr_rrc_sib7_fragments,
 291   &hf_nr_rrc_sib7_fragments,
 292   &hf_nr_rrc_sib7_fragment,
 293   &hf_nr_rrc_sib7_fragment_overlap,
 294   &hf_nr_rrc_sib7_fragment_overlap_conflict,
 295   &hf_nr_rrc_sib7_fragment_multiple_tails,
 296   &hf_nr_rrc_sib7_fragment_too_long_fragment,
 297   &hf_nr_rrc_sib7_fragment_error,
 298   &hf_nr_rrc_sib7_fragment_count,
 299   &hf_nr_rrc_sib7_reassembled_in,
 300   &hf_nr_rrc_sib7_reassembled_length,
 301   &hf_nr_rrc_sib7_reassembled_data,
 302   "SIB7 warning message segments"
 303 };
 304
 305 static const fragment_items nr_rrc_sib8_frag_items = {
 306   &ett_nr_rrc_sib8_fragment,
 307   &ett_nr_rrc_sib8_fragments,
 308   &hf_nr_rrc_sib8_fragments,
 309   &hf_nr_rrc_sib8_fragment,
 310   &hf_nr_rrc_sib8_fragment_overlap,
 311   &hf_nr_rrc_sib8_fragment_overlap_conflict,
 312   &hf_nr_rrc_sib8_fragment_multiple_tails,
 313   &hf_nr_rrc_sib8_fragment_too_long_fragment,
 314   &hf_nr_rrc_sib8_fragment_error,
 315   &hf_nr_rrc_sib8_fragment_count,
 316   &hf_nr_rrc_sib8_reassembled_in,
 317   &hf_nr_rrc_sib8_reassembled_length,
 318   &hf_nr_rrc_sib8_reassembled_data,
 319   "SIB8 warning message segments"
 320 };
 321
 322 static const fragment_items nr_rrc_dcch_segment_frag_items = {
 323   &ett_nr_rrc_dcch_segment_fragment,
 324   &ett_nr_rrc_dcch_segment_fragments,
 325   &hf_nr_rrc_dcch_segment_fragments,
 326   &hf_nr_rrc_dcch_segment_fragment,
 327   &hf_nr_rrc_dcch_segment_fragment_overlap,
 328   &hf_nr_rrc_dcch_segment_fragment_overlap_conflict,
 329   &hf_nr_rrc_dcch_segment_fragment_multiple_tails,
 330   &hf_nr_rrc_dcch_segment_fragment_too_long_fragment,
 331   &hf_nr_rrc_dcch_segment_fragment_error,
 332   &hf_nr_rrc_dcch_segment_fragment_count,
 333   &hf_nr_rrc_dcch_segment_reassembled_in,
 334   &hf_nr_rrc_dcch_segment_reassembled_length,
 335   &hf_nr_rrc_dcch_segment_reassembled_data,
 336   "DCCH message segments"
 337 };
 338
 339 static void
 340 dissect_nr_rrc_warningMessageSegment(tvbuff_t *warning_msg_seg_tvb, proto_tree *tree, packet_info *pinfo, uint8_t dataCodingScheme)
 341 {
 342   uint32_t offset;
 343   uint8_t nb_of_pages, length, *str;
 344   proto_item *ti;
 345   tvbuff_t *cb_data_page_tvb, *cb_data_tvb;
 346   int i;
 347
 348   nb_of_pages = tvb_get_uint8(warning_msg_seg_tvb, 0);
 349   ti = proto_tree_add_uint(tree, hf_nr_rrc_warningMessageSegment_nb_pages, warning_msg_seg_tvb, 0, 1, nb_of_pages);
 350   if (nb_of_pages > 15) {
 351     expert_add_info_format(pinfo, ti, &ei_nr_rrc_number_pages_le15,
 352                            "Number of pages should be <=15 (found %u)", nb_of_pages);
 353     nb_of_pages = 15;
 354   }
 355   for (i = 0, offset = 1; i < nb_of_pages; i++) {
 356     length = tvb_get_uint8(warning_msg_seg_tvb, offset+82);
 357     cb_data_page_tvb = tvb_new_subset_length(warning_msg_seg_tvb, offset, length);
 358     cb_data_tvb = dissect_cbs_data(dataCodingScheme, cb_data_page_tvb, tree, pinfo, 0);
 359     if (cb_data_tvb) {
 360       str = tvb_get_string_enc(pinfo->pool, cb_data_tvb, 0, tvb_reported_length(cb_data_tvb), ENC_UTF_8|ENC_NA);
 361       proto_tree_add_string_format(tree, hf_nr_rrc_warningMessageSegment_decoded_page, warning_msg_seg_tvb, offset, 83,
 362                                    str, "Decoded Page %u: %s", i+1, str);
 363     }
 364     offset += 83;
 365   }
 366 }
 367
 368 static const value_string nr_rrc_daylightSavingTime_vals[] = {
 369   { 0, "No adjustment for Daylight Saving Time"},
 370   { 1, "+1 hour adjustment for Daylight Saving Time"},
 371   { 2, "+2 hours adjustment for Daylight Saving Time"},
 372   { 3, "Reserved"},
 373   { 0, NULL},
 374 };
 375
 376 static void
 377 nr_rrc_localTimeOffset_fmt(char *s, uint32_t v)
 378 {
 379   int32_t time_offset = (int32_t) v;
 380
 381   snprintf(s, ITEM_LABEL_LENGTH, "UTC time %c %dhr %dmin (%d)",
 382              (time_offset < 0) ? '-':'+', abs(time_offset) >> 2,
 383              (abs(time_offset) & 0x03) * 15, time_offset);
 384 }
 385
 386 static void
 387 nr_rrc_drx_SlotOffset_fmt(char *s, uint32_t v)
 388 {
 389   snprintf(s, ITEM_LABEL_LENGTH, "%g ms (%u)", 1./32 * v, v);
 390 }
 391
 392 static void
 393 nr_rrc_Hysteresis_fmt(char *s, uint32_t v)
 394 {
 395   snprintf(s, ITEM_LABEL_LENGTH, "%gdB (%u)", 0.5 * v, v);
 396 }
 397
 398 static void
 399 nr_rrc_msg3_DeltaPreamble_fmt(char *s, uint32_t v)
 400 {
 401   int32_t d = (int32_t)v;
 402
 403   snprintf(s, ITEM_LABEL_LENGTH, "%ddB (%d)", 2 * d, d);
 404 }
 405
 406 static void
 407 nr_rrc_Q_RxLevMin_fmt(char *s, uint32_t v)
 408 {
 409   int32_t d = (int32_t)v;
 410
 411   snprintf(s, ITEM_LABEL_LENGTH, "%ddBm (%d)", 2 * d, d);
 412 }
 413
 414 static void
 415 nr_rrc_RSRP_RangeEUTRA_fmt(char *s, uint32_t v)
 416 {
 417   if (v == 0) {
 418     snprintf(s, ITEM_LABEL_LENGTH, "RSRP < -140dBm (0)");
 419   } else if (v < 97) {
 420     snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= RSRP < %ddBm (%u)", v-141, v-140, v);
 421   } else {
 422     snprintf(s, ITEM_LABEL_LENGTH, "-44dBm <= RSRP (97)");
 423   }
 424 }
 425
 426 static void
 427 nr_rrc_RSRQ_RangeEUTRA_fmt(char *s, uint32_t v)
 428 {
 429   if (v == 0) {
 430     snprintf(s, ITEM_LABEL_LENGTH, "RSRQ < -19.5dB (0)");
 431   } else if (v < 34) {
 432     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%u)", ((float)v/2)-20, (((float)v+1)/2)-20, v);
 433   } else {
 434     snprintf(s, ITEM_LABEL_LENGTH, "-3dB <= RSRQ (34)");
 435   }
 436 }
 437
 438 static void
 439 nr_rrc_SINR_RangeEUTRA_fmt(char *s, uint32_t v)
 440 {
 441   if (v == 0) {
 442     snprintf(s, ITEM_LABEL_LENGTH, "SINR < -23dB (0)");
 443   } else if (v == 127) {
 444     snprintf(s, ITEM_LABEL_LENGTH, "40dB <= SINR (127)");
 445   } else {
 446     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= SINR < %.1fdB (%u)", (((float)v-1)/2)-23, ((float)v/2)-23, v);
 447   }
 448 }
 449
 450 static void
 451 nr_rrc_ReselectionThreshold_fmt(char *s, uint32_t v)
 452 {
 453   snprintf(s, ITEM_LABEL_LENGTH, "%udB (%u)", 2 * v, v);
 454 }
 455
 456 static void
 457 nr_rrc_RSRP_Range_fmt(char *s, uint32_t v)
 458 {
 459   if (v == 0) {
 460     snprintf(s, ITEM_LABEL_LENGTH, "SS-RSRP < -156dBm (0)");
 461   } else if (v < 126) {
 462     snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= SS-RSRP < %ddBm (%u)", v-157, v-156, v);
 463   } else if (v == 126) {
 464     snprintf(s, ITEM_LABEL_LENGTH, "-31dBm <= SS-RSRP (126)");
 465   } else {
 466     snprintf(s, ITEM_LABEL_LENGTH, "infinity (127)");
 467   }
 468 }
 469
 470 static void
 471 nr_rrc_RSRQ_Range_fmt(char *s, uint32_t v)
 472 {
 473   if (v == 0) {
 474     snprintf(s, ITEM_LABEL_LENGTH, "SS-RSRQ < -43dB (0)");
 475   } else if (v < 127) {
 476     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= SS-RSRQ < %.1fdB (%u)", (((float)v-1)/2)-43, ((float)v/2)-43, v);
 477   } else {
 478     snprintf(s, ITEM_LABEL_LENGTH, "20dB <= SS-RSRQ (127)");
 479   }
 480 }
 481
 482 static void
 483 nr_rrc_SINR_Range_fmt(char *s, uint32_t v)
 484 {
 485   if (v == 0) {
 486     snprintf(s, ITEM_LABEL_LENGTH, "SS-SINR < -23dB (0)");
 487   } else if (v < 127) {
 488     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= SS-SINR < %.1fdB (%u)", (((float)v-1)/2)-23, ((float)v/2)-23, v);
 489   } else {
 490     snprintf(s, ITEM_LABEL_LENGTH, "40dB <= SS-SINR (127)");
 491   }
 492 }
 493
 494 static void
 495 nr_rrc_dl_1024QAM_TotalWeightedLayers_fmt(char *s, uint32_t v)
 496 {
 497   snprintf(s, ITEM_LABEL_LENGTH, "%u (%u)", 10+(2*v), v);
 498 }
 499
 500 static void
 501 nr_rrc_timeConnFailure_r16_fmt(char *s, uint32_t v)
 502 {
 503   snprintf(s, ITEM_LABEL_LENGTH, "%ums (%u)", 100*v, v);
 504 }
 505
 506 static void
 507 nr_rrc_RSSI_Range_r16_fmt(char *s, uint32_t v)
 508 {
 509   if (v == 0) {
 510     snprintf(s, ITEM_LABEL_LENGTH, "RSSI < -100dBm (0)");
 511   } else if (v < 76) {
 512     snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= RSSI < %ddBm (%u)", v-101, v-100, v);
 513   } else {
 514     snprintf(s, ITEM_LABEL_LENGTH, "-25dBm <= RSSI (76)");
 515   }
 516 }
 517
 518 static void
 519 nr_rrc_RSRQ_RangeEUTRA_r16_fmt(char *s, uint32_t v)
 520 {
 521   int32_t d = (int32_t)v;
 522
 523   if (d == -34) {
 524     snprintf(s, ITEM_LABEL_LENGTH, "RSRQ < -36dB (-34)");
 525   } else if (d < 0) {
 526     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%d)", (((float)d-1)/2)-19, ((float)d/2)-19, d);
 527   } else if (d == 0) {
 528     snprintf(s, ITEM_LABEL_LENGTH, "RSRQ < -19.5dB (0)");
 529   } else if (d < 34) {
 530     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%d)", (((float)d-1)/2)-19.5, ((float)d/2)-19.5, d);
 531   } else if (d == 34) {
 532     snprintf(s, ITEM_LABEL_LENGTH, "-3dB <= RSRQ (34)");
 533   } else if (d < 46) {
 534     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%d)", (((float)d-1)/2)-20, ((float)d/2)-20, d);
 535   } else {
 536     snprintf(s, ITEM_LABEL_LENGTH, "2.5dB <= RSRQ (46)");
 537   }
 538 }
 539
 540 static void
 541 nr_rrc_utra_FDD_RSCP_r16_fmt(char *s, uint32_t v)
 542 {
 543   int32_t d = (int32_t)v;
 544
 545   if (d == -5) {
 546     snprintf(s, ITEM_LABEL_LENGTH, "RSCP < -120dBm (-5)");
 547   } else if (d < 91) {
 548     snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= RSCP < %ddB (%d)", d-116, d-115, d);
 549   } else {
 550     snprintf(s, ITEM_LABEL_LENGTH, "-25dBm <= RSCP (91)");
 551   }
 552 }
 553
 554 static void
 555 nr_rrc_utra_FDD_EcN0_r16_fmt(char *s, uint32_t v)
 556 {
 557   if (v == 0) {
 558     snprintf(s, ITEM_LABEL_LENGTH, "Ec/No < -24dB (0)");
 559   } else if (v < 49) {
 560     snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= Ec/No < %.1fdB (%u)", (((float)v-1)/2)-24, ((float)v/2)-24, v);
 561   } else {
 562     snprintf(s, ITEM_LABEL_LENGTH, "0dB <= Ec/No (49)");
 563   }
 564 }
 565
 566 static void
 567 nr_rrc_averageDelay_r16_fmt(char *s, uint32_t v)
 568 {
 569   snprintf(s, ITEM_LABEL_LENGTH, "%.1fms (%u)", (float)v/10, v);
 570 }
 571
 572 static void
 573 nr_rrc_measTriggerQuantity_utra_FDD_RSCP_r16_fmt(char *s, uint32_t v)
 574 {
 575   int32_t d = (int32_t)v;
 576
 577   snprintf(s, ITEM_LABEL_LENGTH, "%ddBm (%d)", d-115, d);
 578 }
 579
 580 static void
 581 nr_rrc_measTriggerQuantity_utra_FDD_EcN0_r16_fmt(char *s, uint32_t v)
 582 {
 583   snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%u)", (float)v/2-24.5, v);
 584 }
 585
 586 static void
 587 nr_rrc_SRS_RSRP_r16_fmt(char *s, uint32_t v)
 588 {
 589   if (v == 0) {
 590     snprintf(s, ITEM_LABEL_LENGTH, "SRS-RSRP < -140dBm (0)");
 591   } else if (v < 97) {
 592     snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= SRS-RSRP < %ddB (%u)", v-141, v-140, v);
 593   } else if (v == 97) {
 594     snprintf(s, ITEM_LABEL_LENGTH, "-44dBm <= SRS-RSRP (97)");
 595   } else {
 596     snprintf(s, ITEM_LABEL_LENGTH, "Infinity (98)");
 597   }
 598 }
 599
 600 static void
 601 nr_rrc_MeasTriggerQuantityOffset_fmt(char *s, uint32_t v)
 602 {
 603   int32_t d = (int32_t)v;
 604
 605   snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%d)", (float)d/2, d);
 606 }
 607
 608 static void
 609 nr_rrc_TimeSinceCHO_Reconfig_r17_fmt(char *s, uint32_t v)
 610 {
 611   snprintf(s, ITEM_LABEL_LENGTH, "%.1fs (%u)", (float)v/10, v);
 612 }
 613
 614 static void
 615 nr_rrc_FlightPathUpdateDistanceThr_r18_fmt(char *s, uint32_t v)
 616 {
 617   snprintf(s, ITEM_LABEL_LENGTH, "%um (%u)", v*5, v);
 618 }
 619
 620 static int
 621 dissect_nr_rrc_cg_configinfo_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 622 {
 623     proto_item* ti;
 624     proto_tree* sub_tree;
 625
 626     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 627     col_set_str(pinfo->cinfo, COL_INFO, "CG-ConfigInfo");
 628
 629     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 630     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 631     return dissect_nr_rrc_CG_ConfigInfo_PDU(tvb, pinfo, sub_tree, NULL);
 632 }
 633
 634 static int
 635 dissect_nr_rrc_radiobearerconfig_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 636 {
 637     proto_item* ti;
 638     proto_tree* sub_tree;
 639
 640     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 641     col_set_str(pinfo->cinfo, COL_INFO, "RadioBearerConfig");
 642
 643     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 644     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 645     return dissect_nr_rrc_RadioBearerConfig_PDU(tvb, pinfo, sub_tree, NULL);
 646 }
 647
 648 static int
 649 dissect_nr_rrc_ue_mrdc_capability_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 650 {
 651     proto_item* ti;
 652     proto_tree* sub_tree;
 653
 654     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 655     col_set_str(pinfo->cinfo, COL_INFO, "UE-MRDC-Capability");
 656
 657     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 658     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 659     return dissect_nr_rrc_UE_MRDC_Capability_PDU(tvb, pinfo, sub_tree, NULL);
 660 }
 661
 662 static int
 663 dissect_nr_rrc_ue_nr_capability_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 664 {
 665     proto_item* ti;
 666     proto_tree* sub_tree;
 667
 668     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 669     col_set_str(pinfo->cinfo, COL_INFO, "UE-NR-Capability");
 670
 671     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 672     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 673     return dissect_nr_rrc_UE_NR_Capability_PDU(tvb, pinfo, sub_tree, NULL);
 674 }
 675
 676 static int
 677 dissect_nr_rrc_ul_dcch_message_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 678 {
 679     proto_item* ti;
 680     proto_tree* sub_tree;
 681
 682     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 683     col_set_str(pinfo->cinfo, COL_INFO, "UL-DCCH-Message");
 684
 685     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 686     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 687     return dissect_nr_rrc_UL_DCCH_Message_PDU(tvb, pinfo, sub_tree, NULL);
 688 }
 689
 690 static int
 691 dissect_nr_rrc_dl_dcch_message_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 692 {
 693     proto_item* ti;
 694     proto_tree* sub_tree;
 695
 696     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 697     col_set_str(pinfo->cinfo, COL_INFO, "DL-DCCH-Message");
 698
 699     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 700     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 701     return dissect_DL_DCCH_Message_PDU(tvb, pinfo, sub_tree, NULL);
 702 }
 703
 704 static int
 705 dissect_nr_rrc_dl_ccch_message_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 706 {
 707     proto_item* ti;
 708     proto_tree* sub_tree;
 709
 710     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 711     col_set_str(pinfo->cinfo, COL_INFO, "DL-CCCH-Message");
 712
 713     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 714     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 715     return dissect_DL_CCCH_Message_PDU(tvb, pinfo, sub_tree, NULL);
 716 }
 717
 718 static int
 719 dissect_nr_rrc_ul_ccch_message_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 720 {
 721     proto_item* ti;
 722     proto_tree* sub_tree;
 723
 724     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 725     col_set_str(pinfo->cinfo, COL_INFO, "UL-CCCH-Message");
 726
 727     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 728     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 729     return dissect_UL_CCCH_Message_PDU(tvb, pinfo, sub_tree, NULL);
 730 }
 731
 732
 733 static int
 734 dissect_nr_rrc_cellgroupconfig_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 735 {
 736     proto_item* ti;
 737     proto_tree* sub_tree;
 738
 739     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 740     col_set_str(pinfo->cinfo, COL_INFO, "CellGroupConfig");
 741
 742     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 743     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 744     return dissect_nr_rrc_CellGroupConfig_PDU(tvb, pinfo, sub_tree, NULL);
 745 }
 746
 747 static int
 748 dissect_ueradioaccesscapabilityinformation_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 749 {
 750     proto_item* ti;
 751     proto_tree* sub_tree;
 752
 753     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 754     col_set_str(pinfo->cinfo, COL_INFO, "UERadioAccessCapabilityInformation");
 755
 756     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 757     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 758     return dissect_UERadioAccessCapabilityInformation_PDU(tvb, pinfo, sub_tree, NULL);
 759 }
 760
 761 static int
 762 dissect_nr_rrc_measconfig_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 763 {
 764     proto_item* ti;
 765     proto_tree* sub_tree;
 766
 767     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 768     col_set_str(pinfo->cinfo, COL_INFO, "MeasConfig");
 769
 770     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 771     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 772     return dissect_nr_rrc_MeasConfig_PDU(tvb, pinfo, sub_tree, NULL);
 773 }
 774
 775 static int
 776 dissect_nr_rrc_measgapconfig_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 777 {
 778     proto_item* ti;
 779     proto_tree* sub_tree;
 780
 781     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 782     col_set_str(pinfo->cinfo, COL_INFO, "MeasGapConfig");
 783
 784     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 785     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 786     return dissect_nr_rrc_MeasGapConfig_PDU(tvb, pinfo, sub_tree, NULL);
 787 }
 788
 789 static int
 790 dissect_nr_rrc_handoverpreparationinformation_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 791 {
 792     proto_item* ti;
 793     proto_tree* sub_tree;
 794
 795     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 796     col_set_str(pinfo->cinfo, COL_INFO, "HandoverPreparationInformation");
 797
 798     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 799     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 800     return dissect_nr_rrc_HandoverPreparationInformation_PDU(tvb, pinfo, sub_tree, NULL);
 801 }
 802
 803
 804
 805 static int
 806 dissect_nr_rrc_rrcreconfiguration_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 807 {
 808     proto_item* ti;
 809     proto_tree* sub_tree;
 810
 811     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 812     col_set_str(pinfo->cinfo, COL_INFO, "RRCReconfiguration");
 813
 814     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 815     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 816     return dissect_nr_rrc_RRCReconfiguration_PDU(tvb, pinfo, sub_tree, NULL);
 817 }
 818
 819
 820 static int
 821 dissect_nr_rrc_rrcreconfigurationcomplete_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 822 {
 823     proto_item* ti;
 824     proto_tree* sub_tree;
 825
 826     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 827     col_set_str(pinfo->cinfo, COL_INFO, "RRCReconfigurationComplete");
 828
 829     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 830     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 831     return dissect_nr_rrc_RRCReconfigurationComplete_PDU(tvb, pinfo, sub_tree, NULL);
 832 }
 833
 834
 835 static int
 836 dissect_nr_rrc_ue_capabilityrat_containerlist_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 837 {
 838     proto_item* ti;
 839     proto_tree* sub_tree;
 840
 841     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 842     col_set_str(pinfo->cinfo, COL_INFO, "UE-CapabilityRAT-ContainerList");
 843
 844     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 845     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 846     return dissect_nr_rrc_UE_CapabilityRAT_ContainerList_PDU(tvb, pinfo, sub_tree, NULL);
 847 }
 848
 849 static int
 850 dissect_nr_rrc_handovercommand_msg(tvbuff_t* tvb _U_, packet_info* pinfo _U_, proto_tree* tree _U_, void* data _U_)
 851 {
 852     proto_item* ti;
 853     proto_tree* sub_tree;
 854
 855     col_set_str(pinfo->cinfo, COL_PROTOCOL, "NR RRC");
 856     col_set_str(pinfo->cinfo, COL_INFO, "HandoverCommand");
 857
 858     ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 859     sub_tree = proto_item_add_subtree(ti, ett_nr_rrc);
 860     return dissect_nr_rrc_HandoverCommand_PDU(tvb, pinfo, sub_tree, NULL);
 861 }
 862
 863
 864 #include "packet-nr-rrc-fn.c"
 865
 866 int
 867 dissect_nr_rrc_nr_RLF_Report_r16_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 868   proto_item *prot_ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 869   proto_item_set_hidden(prot_ti);
 870   int offset = 0;
 871   asn1_ctx_t asn1_ctx;
 872   asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, false, pinfo);
 873   offset = dissect_nr_rrc_T_nr_RLF_Report_r16(tvb, offset, &asn1_ctx, tree, hf_nr_rrc_BCCH_DL_SCH_Message_PDU);
 874   offset += 7; offset >>= 3;
 875   return offset;
 876 }
 877
 878 int
 879 dissect_nr_rrc_subCarrierSpacingCommon_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 880   proto_item *prot_ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 881   proto_item_set_hidden(prot_ti);
 882   int offset = 0;
 883   asn1_ctx_t asn1_ctx;
 884   asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, false, pinfo);
 885   offset = dissect_nr_rrc_T_subCarrierSpacingCommon(tvb, offset, &asn1_ctx, tree, hf_nr_rrc_BCCH_DL_SCH_Message_PDU);
 886   offset += 7; offset >>= 3;
 887   return offset;
 888 }
 889
 890 int
 891 dissect_nr_rrc_rach_ConfigCommonIAB_r16_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 892   proto_item *prot_ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
 893   proto_item_set_hidden(prot_ti);
 894   int offset = 0;
 895   asn1_ctx_t asn1_ctx;
 896   asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, false, pinfo);
 897   offset = dissect_nr_rrc_T_rach_ConfigCommonIAB_r16(tvb, offset, &asn1_ctx, tree, hf_nr_rrc_BCCH_DL_SCH_Message_PDU);
 898   offset += 7; offset >>= 3;
 899   return offset;
 900 }
 901
 902 void
 903 proto_register_nr_rrc(void) {
 904
 905   /* List of fields */
 906   static hf_register_info hf[] = {
 907
 908 #include "packet-nr-rrc-hfarr.c"
 909
 910     { &hf_nr_rrc_serialNumber_gs,
 911       { "Geographical Scope", "nr-rrc.serialNumber.gs",
 912         FT_UINT16, BASE_DEC, VALS(nr_rrc_serialNumber_gs_vals), 0xc000,
 913         NULL, HFILL }},
 914     { &hf_nr_rrc_serialNumber_msg_code,
 915       { "Message Code", "nr-rrc.serialNumber.msg_code",
 916         FT_UINT16, BASE_DEC, NULL, 0x3ff0,
 917         NULL, HFILL }},
 918     { &hf_nr_rrc_serialNumber_upd_nb,
 919       { "Update Number", "nr-rrc.serialNumber.upd_nb",
 920         FT_UINT16, BASE_DEC, NULL, 0x000f,
 921         NULL, HFILL }},
 922     { &hf_nr_rrc_warningType_value,
 923       { "Warning Type Value", "nr-rrc.warningType.value",
 924         FT_UINT16, BASE_DEC, VALS(nr_rrc_warningType_vals), 0xfe00,
 925         NULL, HFILL }},
 926     { &hf_nr_rrc_warningType_emergency_user_alert,
 927       { "Emergency User Alert", "nr-rrc.warningType.emergency_user_alert",
 928         FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0100,
 929         NULL, HFILL }},
 930     { &hf_nr_rrc_warningType_popup,
 931       { "Popup", "nr-rrc.warningType.popup",
 932         FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0080,
 933         NULL, HFILL }},
 934     { &hf_nr_rrc_warningMessageSegment_nb_pages,
 935       { "Number of Pages", "nr-rrc.warningMessageSegment.nb_pages",
 936         FT_UINT8, BASE_DEC, NULL, 0,
 937         NULL, HFILL }},
 938     { &hf_nr_rrc_warningMessageSegment_decoded_page,
 939       { "Decoded Page", "nr-rrc.warningMessageSegment.decoded_page",
 940         FT_STRING, BASE_NONE, NULL, 0,
 941         NULL, HFILL }},
 942     { &hf_nr_rrc_sib7_fragments,
 943       { "Fragments", "nr-rrc.warningMessageSegment.fragments",
 944         FT_NONE, BASE_NONE, NULL, 0,
 945         NULL, HFILL }},
 946     { &hf_nr_rrc_sib7_fragment,
 947       { "Fragment", "nr-rrc.warningMessageSegment.fragment",
 948          FT_FRAMENUM, BASE_NONE, NULL, 0,
 949         NULL, HFILL }},
 950     { &hf_nr_rrc_sib7_fragment_overlap,
 951       { "Fragment Overlap", "nr-rrc.warningMessageSegment.fragment_overlap",
 952          FT_BOOLEAN, BASE_NONE, NULL, 0,
 953         NULL, HFILL }},
 954     { &hf_nr_rrc_sib7_fragment_overlap_conflict,
 955       { "Fragment Overlap Conflict", "nr-rrc.warningMessageSegment.fragment_overlap_conflict",
 956          FT_BOOLEAN, BASE_NONE, NULL, 0,
 957         NULL, HFILL }},
 958     { &hf_nr_rrc_sib7_fragment_multiple_tails,
 959       { "Fragment Multiple Tails", "nr-rrc.warningMessageSegment.fragment_multiple_tails",
 960          FT_BOOLEAN, BASE_NONE, NULL, 0,
 961         NULL, HFILL }},
 962     { &hf_nr_rrc_sib7_fragment_too_long_fragment,
 963       { "Too Long Fragment", "nr-rrc.warningMessageSegment.fragment_too_long_fragment",
 964          FT_BOOLEAN, BASE_NONE, NULL, 0,
 965         NULL, HFILL }},
 966     { &hf_nr_rrc_sib7_fragment_error,
 967       { "Fragment Error", "nr-rrc.warningMessageSegment.fragment_error",
 968          FT_FRAMENUM, BASE_NONE, NULL, 0,
 969         NULL, HFILL }},
 970     { &hf_nr_rrc_sib7_fragment_count,
 971       { "Fragment Count", "nr-rrc.warningMessageSegment.fragment_count",
 972          FT_UINT32, BASE_DEC, NULL, 0,
 973         NULL, HFILL }},
 974     { &hf_nr_rrc_sib7_reassembled_in,
 975       { "Reassembled In", "nr-rrc.warningMessageSegment.reassembled_in",
 976          FT_FRAMENUM, BASE_NONE, NULL, 0,
 977         NULL, HFILL }},
 978     { &hf_nr_rrc_sib7_reassembled_length,
 979       { "Reassembled Length", "nr-rrc.warningMessageSegment.reassembled_length",
 980          FT_UINT32, BASE_DEC, NULL, 0,
 981         NULL, HFILL }},
 982     { &hf_nr_rrc_sib7_reassembled_data,
 983       { "Reassembled Data", "nr-rrc.warningMessageSegment.reassembled_data",
 984          FT_BYTES, BASE_NONE, NULL, 0,
 985         NULL, HFILL }},
 986     { &hf_nr_rrc_sib8_fragments,
 987       { "Fragments", "nr-rrc.warningMessageSegment.fragments",
 988         FT_NONE, BASE_NONE, NULL, 0,
 989         NULL, HFILL }},
 990     { &hf_nr_rrc_sib8_fragment,
 991       { "Fragment", "nr-rrc.warningMessageSegment.fragment",
 992          FT_FRAMENUM, BASE_NONE, NULL, 0,
 993         NULL, HFILL }},
 994     { &hf_nr_rrc_sib8_fragment_overlap,
 995       { "Fragment Overlap", "nr-rrc.warningMessageSegment.fragment_overlap",
 996          FT_BOOLEAN, BASE_NONE, NULL, 0,
 997         NULL, HFILL }},
 998     { &hf_nr_rrc_sib8_fragment_overlap_conflict,
 999       { "Fragment Overlap Conflict", "nr-rrc.warningMessageSegment.fragment_overlap_conflict",
1000          FT_BOOLEAN, BASE_NONE, NULL, 0,
1001         NULL, HFILL }},
1002     { &hf_nr_rrc_sib8_fragment_multiple_tails,
1003       { "Fragment Multiple Tails", "nr-rrc.warningMessageSegment.fragment_multiple_tails",
1004          FT_BOOLEAN, BASE_NONE, NULL, 0,
1005         NULL, HFILL }},
1006     { &hf_nr_rrc_sib8_fragment_too_long_fragment,
1007       { "Too Long Fragment", "nr-rrc.warningMessageSegment.fragment_too_long_fragment",
1008          FT_BOOLEAN, BASE_NONE, NULL, 0,
1009         NULL, HFILL }},
1010     { &hf_nr_rrc_sib8_fragment_error,
1011       { "Fragment Error", "nr-rrc.warningMessageSegment.fragment_error",
1012          FT_FRAMENUM, BASE_NONE, NULL, 0,
1013         NULL, HFILL }},
1014     { &hf_nr_rrc_sib8_fragment_count,
1015       { "Fragment Count", "nr-rrc.warningMessageSegment.fragment_count",
1016          FT_UINT32, BASE_DEC, NULL, 0,
1017         NULL, HFILL }},
1018     { &hf_nr_rrc_sib8_reassembled_in,
1019       { "Reassembled In", "nr-rrc.warningMessageSegment.reassembled_in",
1020          FT_FRAMENUM, BASE_NONE, NULL, 0,
1021         NULL, HFILL }},
1022     { &hf_nr_rrc_sib8_reassembled_length,
1023       { "Reassembled Length", "nr-rrc.warningMessageSegment.reassembled_length",
1024          FT_UINT32, BASE_DEC, NULL, 0,
1025         NULL, HFILL }},
1026     { &hf_nr_rrc_sib8_reassembled_data,
1027       { "Reassembled Data", "nr-rrc.warningMessageSegment.reassembled_data",
1028          FT_BYTES, BASE_NONE, NULL, 0,
1029         NULL, HFILL }},
1030     { &hf_nr_rrc_dcch_segment_fragments,
1031       { "Fragments", "nr-rrc.dedicatedMessageSegment_r16.fragments",
1032          FT_NONE, BASE_NONE, NULL, 0,
1033         NULL, HFILL }},
1034     { &hf_nr_rrc_dcch_segment_fragment,
1035       { "Fragment", "nr-rrc.dedicatedMessageSegment_r16.fragment",
1036          FT_FRAMENUM, BASE_NONE, NULL, 0,
1037         NULL, HFILL }},
1038     { &hf_nr_rrc_dcch_segment_fragment_overlap,
1039       { "Fragment Overlap", "nr-rrc.dedicatedMessageSegment_r16.fragment_overlap",
1040          FT_BOOLEAN, BASE_NONE, NULL, 0,
1041         NULL, HFILL }},
1042     { &hf_nr_rrc_dcch_segment_fragment_overlap_conflict,
1043       { "Fragment Overlap Conflict", "nr-rrc.dedicatedMessageSegment_r16.fragment_overlap_conflict",
1044          FT_BOOLEAN, BASE_NONE, NULL, 0,
1045         NULL, HFILL }},
1046     { &hf_nr_rrc_dcch_segment_fragment_multiple_tails,
1047       { "Fragment Multiple Tails", "nr-rrc.dedicatedMessageSegment_r16.fragment_multiple_tails",
1048          FT_BOOLEAN, BASE_NONE, NULL, 0,
1049         NULL, HFILL }},
1050     { &hf_nr_rrc_dcch_segment_fragment_too_long_fragment,
1051       { "Too Long Fragment", "nr-rrc.dedicatedMessageSegment_r16.fragment_too_long_fragment",
1052          FT_BOOLEAN, BASE_NONE, NULL, 0,
1053         NULL, HFILL }},
1054     { &hf_nr_rrc_dcch_segment_fragment_error,
1055       { "Fragment Error", "nr-rrc.dedicatedMessageSegment_r16.fragment_error",
1056          FT_FRAMENUM, BASE_NONE, NULL, 0,
1057         NULL, HFILL }},
1058     { &hf_nr_rrc_dcch_segment_fragment_count,
1059       { "Fragment Count", "nr-rrc.dedicatedMessageSegment_r16.fragment_count",
1060          FT_UINT32, BASE_DEC, NULL, 0,
1061         NULL, HFILL }},
1062     { &hf_nr_rrc_dcch_segment_reassembled_in,
1063       { "Reassembled In", "nr-rrc.dedicatedMessageSegment_r16.reassembled_in",
1064          FT_FRAMENUM, BASE_NONE, NULL, 0,
1065         NULL, HFILL }},
1066     { &hf_nr_rrc_dcch_segment_reassembled_length,
1067       { "Reassembled Length", "nr-rrc.dedicatedMessageSegment_r16.reassembled_length",
1068          FT_UINT32, BASE_DEC, NULL, 0,
1069         NULL, HFILL }},
1070     { &hf_nr_rrc_dcch_segment_reassembled_data,
1071       { "Reassembled Data", "nr-rrc.dedicatedMessageSegment_r16.reassembled_data",
1072          FT_BYTES, BASE_NONE, NULL, 0,
1073         NULL, HFILL }},
1074     { &hf_nr_rrc_utc_time,
1075       { "UTC   time", "nr-rrc.utc_time",
1076         FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0,
1077         NULL, HFILL }},
1078     { &hf_nr_rrc_local_time,
1079       { "Local time", "nr-rrc.local_time",
1080         FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0,
1081         NULL, HFILL }},
1082     { &hf_nr_rrc_absolute_time,
1083       { "Absolute time", "nr-rrc.absolute_time",
1084         FT_STRING, BASE_NONE, NULL, 0x0,
1085         NULL, HFILL }},
1086   };
1087
1088   static int *ett[] = {
1089     &ett_nr_rrc,
1090 #include "packet-nr-rrc-ettarr.c"
1091     &ett_nr_rrc_DedicatedNAS_Message,
1092     &ett_nr_rrc_targetRAT_MessageContainer,
1093     &ett_nr_rrc_nas_Container,
1094     &ett_nr_rrc_serialNumber,
1095     &ett_nr_rrc_warningType,
1096     &ett_nr_rrc_dataCodingScheme,
1097     &ett_nr_rrc_sib7_fragment,
1098     &ett_nr_rrc_sib7_fragments,
1099     &ett_nr_rrc_sib8_fragment,
1100     &ett_nr_rrc_sib8_fragments,
1101     &ett_nr_rrc_dcch_segment_fragment,
1102     &ett_nr_rrc_dcch_segment_fragments,
1103     &ett_nr_rrc_warningMessageSegment,
1104     &ett_nr_rrc_timeInfo,
1105     &ett_nr_rrc_capabilityRequestFilter,
1106     &ett_nr_rrc_sourceSCG_EUTRA_Config,
1107     &ett_nr_rrc_scg_CellGroupConfigEUTRA,
1108     &ett_nr_rrc_candidateCellInfoListSN_EUTRA,
1109     &ett_nr_rrc_candidateCellInfoListMN_EUTRA,
1110     &ett_nr_rrc_sourceConfigSCG_EUTRA,
1111     &ett_nr_rrc_eutra_SCG,
1112     &ett_nr_rrc_nr_SCG_Response,
1113     &ett_nr_rrc_eutra_SCG_Response,
1114     &ett_nr_rrc_measResultSCG_FailureMRDC,
1115     &ett_nr_rrc_ul_DCCH_MessageNR,
1116     &ett_nr_rrc_ul_DCCH_MessageEUTRA,
1117     &ett_rr_rrc_nas_SecurityParamFromNR,
1118     &ett_nr_rrc_sidelinkUEInformationNR,
1119     &ett_nr_rrc_sidelinkUEInformationEUTRA,
1120     &ett_nr_rrc_ueAssistanceInformationEUTRA,
1121     &ett_nr_rrc_dl_DCCH_MessageNR,
1122     &ett_nr_rrc_dl_DCCH_MessageEUTRA,
1123     &ett_nr_rrc_sl_ConfigDedicatedEUTRA,
1124     &ett_nr_rrc_sl_CapabilityInformationSidelink,
1125     &ett_nr_rrc_measResult_RLF_Report_EUTRA,
1126     &ett_nr_rrc_measResult_RLF_Report_EUTRA_v1690,
1127     &ett_nr_rrc_locationTimestamp_r16,
1128     &ett_nr_rrc_locationCoordinate_r16,
1129     &ett_nr_rrc_locationError_r16,
1130     &ett_nr_rrc_locationSource_r16,
1131     &ett_nr_rrc_velocityEstimate_r16,
1132     &ett_nr_rrc_sensor_MeasurementInformation_r16,
1133     &ett_nr_rrc_sensor_MotionInformation_r16,
1134     &ett_nr_rrc_bandParametersSidelinkEUTRA1_r16,
1135     &ett_nr_rrc_bandParametersSidelinkEUTRA2_r16,
1136     &ett_nr_rrc_sl_ParametersEUTRA1_r16,
1137     &ett_nr_rrc_sl_ParametersEUTRA2_r16,
1138     &ett_nr_rrc_sl_ParametersEUTRA3_r16,
1139     &ett_nr_rrc_absTimeInfo,
1140     &ett_nr_rrc_assistanceDataSIB_Element_r16,
1141     &ett_nr_rrc_sl_V2X_ConfigCommon_r16,
1142     &ett_nr_rrc_tdd_Config_r16,
1143     &ett_nr_rrc_coarseLocationInfo_r17,
1144     &ett_nr_rrc_sl_MeasResultsCandRelay_r17,
1145     &ett_nr_rrc_sl_MeasResultServingRelay_r17,
1146     &ett_nr_rrc_ReferenceLocation_r17,
1147     &ett_nr_rrc_wayPointLocation_r18
1148   };
1149
1150   static ei_register_info ei[] = {
1151      { &ei_nr_rrc_number_pages_le15, { "nr-rrc.number_pages_le15", PI_MALFORMED, PI_ERROR, "Number of pages should be <=15", EXPFILL }},
1152   };
1153
1154   expert_module_t* expert_nr_rrc;
1155   module_t *nr_rrc_module;
1156
1157   /* Register protocol */
1158   proto_nr_rrc = proto_register_protocol(PNAME, PSNAME, PFNAME);
1159
1160   /* Register fields and subtrees */
1161   proto_register_field_array(proto_nr_rrc, hf, array_length(hf));
1162   proto_register_subtree_array(ett, array_length(ett));
1163   expert_nr_rrc = expert_register_protocol(proto_nr_rrc);
1164   expert_register_field_array(expert_nr_rrc, ei, array_length(ei));
1165
1166   /* Register the dissectors defined in nr-rrc.cnf */
1167   register_dissector("nr-rrc.cg_configinfo", dissect_nr_rrc_cg_configinfo_msg, proto_nr_rrc);
1168   register_dissector("nr-rrc.radiobearerconfig", dissect_nr_rrc_radiobearerconfig_msg, proto_nr_rrc);
1169   register_dissector("nr-rrc.rrc_reconf_msg", dissect_nr_rrc_rrcreconfiguration_msg, proto_nr_rrc);
1170   register_dissector("nr-rrc.rrc_reconf_compl_msg", dissect_nr_rrc_rrcreconfigurationcomplete_msg, proto_nr_rrc);
1171   register_dissector("nr-rrc.ue_capabilityrat_containerlist", dissect_nr_rrc_ue_capabilityrat_containerlist_msg, proto_nr_rrc);
1172   register_dissector("nr-rrc.ue_mrdc_cap_msg", dissect_nr_rrc_ue_mrdc_capability_msg, proto_nr_rrc);
1173   register_dissector("nr-rrc.ue_nr_cap_msg", dissect_nr_rrc_ue_nr_capability_msg, proto_nr_rrc);
1174   register_dissector("nr-rrc.ul.dcch_msg_msg", dissect_nr_rrc_ul_dcch_message_msg, proto_nr_rrc);
1175   register_dissector("nr-rrc.dl.dcch_msg_msg", dissect_nr_rrc_dl_dcch_message_msg, proto_nr_rrc);
1176   register_dissector("nr-rrc.ul.ccch_msg_msg", dissect_nr_rrc_ul_ccch_message_msg, proto_nr_rrc);
1177   register_dissector("nr-rrc.dl.ccch_msg_msg", dissect_nr_rrc_dl_ccch_message_msg, proto_nr_rrc);
1178   register_dissector("nr-rrc.cellgroupconfig_msg", dissect_nr_rrc_cellgroupconfig_msg, proto_nr_rrc);
1179   register_dissector("nr-rrc.ue_radio_access_cap_info_msg", dissect_ueradioaccesscapabilityinformation_msg, proto_nr_rrc);
1180   register_dissector("nr-rrc.measconfig_msg", dissect_nr_rrc_measconfig_msg, proto_nr_rrc);
1181   register_dissector("nr-rrc.measgapconfig_msg", dissect_nr_rrc_measgapconfig_msg, proto_nr_rrc);
1182   register_dissector("nr-rrc.handoverpreparationinformation_msg", dissect_nr_rrc_handoverpreparationinformation_msg, proto_nr_rrc);
1183   register_dissector("nr-rrc.handovercommand_msg", dissect_nr_rrc_handovercommand_msg, proto_nr_rrc);
1184  /*#include "packet-nr-rrc-dis-reg.c" */
1185 #include "packet-nr-rrc-dis-reg.c"
1186
1187   nr_rrc_etws_cmas_dcs_hash = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(),
1188                                                      g_direct_hash, g_direct_equal);
1189   nr_rrc_dcch_segment_ueid_count_hash = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(),
1190                                                                g_direct_hash, g_direct_equal);
1191   nr_rrc_dcch_segment_id_tree = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
1192
1193   reassembly_table_register(&nr_rrc_sib7_reassembly_table,
1194                             &addresses_reassembly_table_functions);
1195   reassembly_table_register(&nr_rrc_sib8_reassembly_table,
1196                             &addresses_reassembly_table_functions);
1197   reassembly_table_register(&nr_rrc_dcch_segment_reassembly_table,
1198                             &addresses_reassembly_table_functions);
1199
1200   /* Register configuration preferences */
1201   nr_rrc_module = prefs_register_protocol(proto_nr_rrc, NULL);
1202   prefs_register_bool_preference(nr_rrc_module, "nas_in_root_tree",
1203                                  "Show NAS PDU in root packet details",
1204                                  "Whether the NAS PDU should be shown in the root packet details tree",
1205                                  &nr_rrc_nas_in_root_tree);
1206   prefs_register_bool_preference(nr_rrc_module, "reassemble_dcch_segments",
1207                                  "Try to reassemble DCCH segmented messages",
1208                                  "Whether the NR RRC dissector should attempt to reassemble DCCH segmented messages",
1209                                  &nr_rrc_reassemble_dcch_segments);
1210 }
1211
1212 void
1213 proto_reg_handoff_nr_rrc(void)
1214 {
1215   nas_5gs_handle = find_dissector("nas-5gs");
1216   lte_rrc_conn_reconf_handle = find_dissector("lte-rrc.rrc_conn_reconf");
1217   lte_rrc_conn_reconf_compl_handle = find_dissector("lte-rrc.rrc_conn_reconf_compl");
1218   lte_rrc_ul_dcch_handle = find_dissector("lte-rrc.ul.dcch");
1219   lte_rrc_dl_dcch_handle = find_dissector("lte-rrc.dl.dcch");
1220 }