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

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/* packet-nr-rrc-template.c
* NR;
* Radio Resource Control (RRC) protocol specification
* (3GPP TS 38.331 V16.2.0 Release 16) packet dissection
* Copyright 2018-2020, Pascal Quantin
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <stdlib.h>
#include <epan/packet.h>
#include <epan/asn1.h>
#include <epan/expert.h>
#include <epan/reassemble.h>
#include <epan/exceptions.h>
#include <epan/show_exception.h>
#include <epan/proto_data.h>
#include <wsutil/str_util.h>
#include <wsutil/epochs.h>
#include "packet-per.h"
#include "packet-gsm_map.h"
#include "packet-cell_broadcast.h"
#include "packet-mac-nr.h"
#include "packet-rlc-nr.h"
#include "packet-rrc.h"
#include "packet-lte-rrc.h"
#include "packet-nr-rrc.h"
#include "packet-gsm_a_common.h"
#include "packet-lpp.h"
#define PNAME "NR Radio Resource Control (RRC) protocol"
#define PSNAME "NR RRC"
#define PFNAME "nr-rrc"
void proto_register_nr_rrc(void);
void proto_reg_handoff_nr_rrc(void);
static dissector_handle_t nas_5gs_handle = NULL;
static dissector_handle_t lte_rrc_conn_reconf_handle = NULL;
static dissector_handle_t lte_rrc_conn_reconf_compl_handle = NULL;
static dissector_handle_t lte_rrc_ul_dcch_handle = NULL;
static dissector_handle_t lte_rrc_dl_dcch_handle = NULL;
static wmem_map_t *nr_rrc_etws_cmas_dcs_hash = NULL;
static reassembly_table nr_rrc_sib7_reassembly_table;
static reassembly_table nr_rrc_sib8_reassembly_table;
extern int proto_mac_nr;
/* Include constants */
#include "packet-nr-rrc-val.h"
/* Initialize the protocol and registered fields */
static int proto_nr_rrc = -1;
#include "packet-nr-rrc-hf.c"
static int hf_nr_rrc_serialNumber_gs = -1;
static int hf_nr_rrc_serialNumber_msg_code = -1;
static int hf_nr_rrc_serialNumber_upd_nb = -1;
static int hf_nr_rrc_warningType_value = -1;
static int hf_nr_rrc_warningType_emergency_user_alert = -1;
static int hf_nr_rrc_warningType_popup = -1;
static int hf_nr_rrc_warningMessageSegment_nb_pages = -1;
static int hf_nr_rrc_warningMessageSegment_decoded_page = -1;
static int hf_nr_rrc_sib7_fragments = -1;
static int hf_nr_rrc_sib7_fragment = -1;
static int hf_nr_rrc_sib7_fragment_overlap = -1;
static int hf_nr_rrc_sib7_fragment_overlap_conflict = -1;
static int hf_nr_rrc_sib7_fragment_multiple_tails = -1;
static int hf_nr_rrc_sib7_fragment_too_long_fragment = -1;
static int hf_nr_rrc_sib7_fragment_error = -1;
static int hf_nr_rrc_sib7_fragment_count = -1;
static int hf_nr_rrc_sib7_reassembled_in = -1;
static int hf_nr_rrc_sib7_reassembled_length = -1;
static int hf_nr_rrc_sib7_reassembled_data = -1;
static int hf_nr_rrc_sib8_fragments = -1;
static int hf_nr_rrc_sib8_fragment = -1;
static int hf_nr_rrc_sib8_fragment_overlap = -1;
static int hf_nr_rrc_sib8_fragment_overlap_conflict = -1;
static int hf_nr_rrc_sib8_fragment_multiple_tails = -1;
static int hf_nr_rrc_sib8_fragment_too_long_fragment = -1;
static int hf_nr_rrc_sib8_fragment_error = -1;
static int hf_nr_rrc_sib8_fragment_count = -1;
static int hf_nr_rrc_sib8_reassembled_in = -1;
static int hf_nr_rrc_sib8_reassembled_length = -1;
static int hf_nr_rrc_sib8_reassembled_data = -1;
static int hf_nr_rrc_utc_time = -1;
static int hf_nr_rrc_local_time = -1;
static int hf_nr_rrc_absolute_time = -1;
/* Initialize the subtree pointers */
static gint ett_nr_rrc = -1;
#include "packet-nr-rrc-ett.c"
static gint ett_nr_rrc_DedicatedNAS_Message = -1;
static gint ett_nr_rrc_targetRAT_MessageContainer = -1;
static gint ett_nr_rrc_nas_Container = -1;
static gint ett_nr_rrc_serialNumber = -1;
static gint ett_nr_rrc_warningType = -1;
static gint ett_nr_rrc_dataCodingScheme = -1;
static gint ett_nr_rrc_sib7_fragment = -1;
static gint ett_nr_rrc_sib7_fragments = -1;
static gint ett_nr_rrc_sib8_fragment = -1;
static gint ett_nr_rrc_sib8_fragments = -1;
static gint ett_nr_rrc_warningMessageSegment = -1;
static gint ett_nr_rrc_timeInfo = -1;
static gint ett_nr_rrc_capabilityRequestFilter = -1;
static gint ett_nr_rrc_sourceSCG_EUTRA_Config = -1;
static gint ett_nr_rrc_scg_CellGroupConfigEUTRA = -1;
static gint ett_nr_rrc_candidateCellInfoListSN_EUTRA = -1;
static gint ett_nr_rrc_candidateCellInfoListMN_EUTRA = -1;
static gint ett_nr_rrc_sourceConfigSCG_EUTRA = -1;
static gint ett_nr_rrc_eutra_SCG = -1;
static gint ett_nr_rrc_nr_SCG_Response = -1;
static gint ett_nr_rrc_eutra_SCG_Response = -1;
static gint ett_nr_rrc_measResultSCG_FailureMRDC = -1;
static gint ett_nr_rrc_ul_DCCH_MessageNR = -1;
static gint ett_nr_rrc_ul_DCCH_MessageEUTRA = -1;
static gint ett_rr_rrc_nas_SecurityParamFromNR = -1;
static gint ett_nr_rrc_sidelinkUEInformationNR = -1;
static gint ett_nr_rrc_sidelinkUEInformationEUTRA = -1;
static gint ett_nr_rrc_ueAssistanceInformationEUTRA = -1;
static gint ett_nr_rrc_dl_DCCH_MessageNR = -1;
static gint ett_nr_rrc_dl_DCCH_MessageEUTRA = -1;
static gint ett_nr_rrc_sl_ConfigDedicatedEUTRA = -1;
static gint ett_nr_rrc_sl_CapabilityInformationSidelink = -1;
static gint ett_nr_rrc_measResult_RLF_Report_EUTRA = -1;
static gint ett_nr_rrc_locationTimestamp_r16 = -1;
static gint ett_nr_rrc_locationCoordinate_r16 = -1;
static gint ett_nr_rrc_locationError_r16 = -1;
static gint ett_nr_rrc_locationSource_r16 = -1;
static gint ett_nr_rrc_velocityEstimate_r16 = -1;
static gint ett_nr_rrc_sensor_MeasurementInformation_r16 = -1;
static gint ett_nr_rrc_sensor_MotionInformation_r16 = -1;
static gint ett_nr_rrc_bandParametersSidelinkEUTRA1_r16 = -1;
static gint ett_nr_rrc_bandParametersSidelinkEUTRA2_r16 = -1;
static gint ett_nr_rrc_sl_ParametersEUTRA1_r16 = -1;
static gint ett_nr_rrc_sl_ParametersEUTRA2_r16 = -1;
static gint ett_nr_rrc_sl_ParametersEUTRA3_r16 = -1;
static gint ett_nr_rrc_absTimeInfo = -1;
static expert_field ei_nr_rrc_number_pages_le15 = EI_INIT;
/* Forward declarations */
static int dissect_UECapabilityInformationSidelink_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_DL_DCCH_Message_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static const unit_name_string units_periodicities = { " periodicity", " periodicities" };
static const unit_name_string units_prbs = { " PRB", " PRBs" };
static const unit_name_string units_slots = { " slot", " slots" };
typedef struct {
guint8 rat_type;
guint8 target_rat_type;
guint16 message_identifier;
guint8 warning_message_segment_type;
guint8 warning_message_segment_number;
nr_drb_mapping_t drb_mapping;
} nr_rrc_private_data_t;
/* Helper function to get or create a struct that will be actx->private_data */
static nr_rrc_private_data_t*
nr_rrc_get_private_data(asn1_ctx_t *actx)
{
if (actx->private_data == NULL) {
actx->private_data = wmem_new0(wmem_packet_scope(), nr_rrc_private_data_t);
}
return (nr_rrc_private_data_t*)actx->private_data;
}
static void
nr_rrc_call_dissector(dissector_handle_t handle, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
TRY {
call_dissector(handle, tvb, pinfo, tree);
}
CATCH_BOUNDS_ERRORS {
show_exception(tvb, pinfo, tree, EXCEPT_CODE, GET_MESSAGE);
}
ENDTRY;
}
static void
nr_rrc_q_RxLevMin_fmt(gchar *s, guint32 v)
{
gint32 d = (gint32)v;
g_snprintf(s, ITEM_LABEL_LENGTH, "%d dB (%d)", 2*d, d);
}
static const value_string nr_rrc_serialNumber_gs_vals[] = {
{ 0, "Display mode immediate, cell wide"},
{ 1, "Display mode normal, PLMN wide"},
{ 2, "Display mode normal, tracking area wide"},
{ 3, "Display mode normal, cell wide"},
{ 0, NULL},
};
static const value_string nr_rrc_warningType_vals[] = {
{ 0, "Earthquake"},
{ 1, "Tsunami"},
{ 2, "Earthquake and Tsunami"},
{ 3, "Test"},
{ 4, "Other"},
{ 0, NULL},
};
static const fragment_items nr_rrc_sib7_frag_items = {
&ett_nr_rrc_sib7_fragment,
&ett_nr_rrc_sib7_fragments,
&hf_nr_rrc_sib7_fragments,
&hf_nr_rrc_sib7_fragment,
&hf_nr_rrc_sib7_fragment_overlap,
&hf_nr_rrc_sib7_fragment_overlap_conflict,
&hf_nr_rrc_sib7_fragment_multiple_tails,
&hf_nr_rrc_sib7_fragment_too_long_fragment,
&hf_nr_rrc_sib7_fragment_error,
&hf_nr_rrc_sib7_fragment_count,
&hf_nr_rrc_sib7_reassembled_in,
&hf_nr_rrc_sib7_reassembled_length,
&hf_nr_rrc_sib7_reassembled_data,
"SIB7 warning message segments"
};
static const fragment_items nr_rrc_sib8_frag_items = {
&ett_nr_rrc_sib8_fragment,
&ett_nr_rrc_sib8_fragments,
&hf_nr_rrc_sib8_fragments,
&hf_nr_rrc_sib8_fragment,
&hf_nr_rrc_sib8_fragment_overlap,
&hf_nr_rrc_sib8_fragment_overlap_conflict,
&hf_nr_rrc_sib8_fragment_multiple_tails,
&hf_nr_rrc_sib8_fragment_too_long_fragment,
&hf_nr_rrc_sib8_fragment_error,
&hf_nr_rrc_sib8_fragment_count,
&hf_nr_rrc_sib8_reassembled_in,
&hf_nr_rrc_sib8_reassembled_length,
&hf_nr_rrc_sib8_reassembled_data,
"SIB8 warning message segments"
};
static void
dissect_nr_rrc_warningMessageSegment(tvbuff_t *warning_msg_seg_tvb, proto_tree *tree, packet_info *pinfo, guint8 dataCodingScheme)
{
guint32 offset;
guint8 nb_of_pages, length, *str;
proto_item *ti;
tvbuff_t *cb_data_page_tvb, *cb_data_tvb;
int i;
nb_of_pages = tvb_get_guint8(warning_msg_seg_tvb, 0);
ti = proto_tree_add_uint(tree, hf_nr_rrc_warningMessageSegment_nb_pages, warning_msg_seg_tvb, 0, 1, nb_of_pages);
if (nb_of_pages > 15) {
expert_add_info_format(pinfo, ti, &ei_nr_rrc_number_pages_le15,
"Number of pages should be <=15 (found %u)", nb_of_pages);
nb_of_pages = 15;
}
for (i = 0, offset = 1; i < nb_of_pages; i++) {
length = tvb_get_guint8(warning_msg_seg_tvb, offset+82);
cb_data_page_tvb = tvb_new_subset_length(warning_msg_seg_tvb, offset, length);
cb_data_tvb = dissect_cbs_data(dataCodingScheme, cb_data_page_tvb, tree, pinfo, 0);
if (cb_data_tvb) {
str = tvb_get_string_enc(wmem_packet_scope(), cb_data_tvb, 0, tvb_reported_length(cb_data_tvb), ENC_UTF_8|ENC_NA);
proto_tree_add_string_format(tree, hf_nr_rrc_warningMessageSegment_decoded_page, warning_msg_seg_tvb, offset, 83,
str, "Decoded Page %u: %s", i+1, str);
}
offset += 83;
}
}
static const value_string nr_rrc_daylightSavingTime_vals[] = {
{ 0, "No adjustment for Daylight Saving Time"},
{ 1, "+1 hour adjustment for Daylight Saving Time"},
{ 2, "+2 hours adjustment for Daylight Saving Time"},
{ 3, "Reserved"},
{ 0, NULL},
};
static void
nr_rrc_localTimeOffset_fmt(gchar *s, guint32 v)
{
gint32 time_offset = (gint32) v;
g_snprintf(s, ITEM_LABEL_LENGTH, "UTC time %c %dhr %dmin (%d)",
(time_offset < 0) ? '-':'+', abs(time_offset) >> 2,
(abs(time_offset) & 0x03) * 15, time_offset);
}
static void
nr_rrc_drx_SlotOffset_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%g ms (%u)", 1./32 * v, v);
}
static void
nr_rrc_Hysteresis_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%gdB (%u)", 0.5 * v, v);
}
static void
nr_rrc_msg3_DeltaPreamble_fmt(gchar *s, guint32 v)
{
gint32 d = (gint32)v;
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddB (%d)", 2 * d, d);
}
static void
nr_rrc_Q_RxLevMin_fmt(gchar *s, guint32 v)
{
gint32 d = (gint32)v;
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm (%d)", 2 * d, d);
}
static void
nr_rrc_RSRP_RangeEUTRA_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "RSRP < -140dBm (0)");
} else if (v < 97) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= RSRP < %ddBm (%u)", v-141, v-140, v);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "-44dBm <= RSRP (97)");
}
}
static void
nr_rrc_RSRQ_RangeEUTRA_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "RSRQ < -19.5dB (0)");
} else if (v < 34) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%u)", ((float)v/2)-20, (((float)v+1)/2)-20, v);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "-3dB <= RSRQ (34)");
}
}
static void
nr_rrc_SINR_RangeEUTRA_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "SINR < -23dB (0)");
} else if (v == 127) {
g_snprintf(s, ITEM_LABEL_LENGTH, "40dB <= SINR (127)");
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= SINR < %.1fdB (%u)", (((float)v-1)/2)-23, ((float)v/2)-23, v);
}
}
static void
nr_rrc_ReselectionThreshold_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%udB (%u)", 2 * v, v);
}
static void
nr_rrc_RSRP_Range_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "SS-RSRP < -156dBm (0)");
} else if (v < 126) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= SS-RSRP < %ddBm (%u)", v-157, v-156, v);
} else if (v == 126) {
g_snprintf(s, ITEM_LABEL_LENGTH, "-31dBm <= SS-RSRP (126)");
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "infinity (127)");
}
}
static void
nr_rrc_RSRQ_Range_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "SS-RSRQ < -43dB (0)");
} else if (v < 127) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= SS-RSRQ < %.1fdB (%u)", (((float)v-1)/2)-43, ((float)v/2)-43, v);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "-20dB <= SS-RSRQ (127)");
}
}
static void
nr_rrc_SINR_Range_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "SS-SINR < -23dB (0)");
} else if (v < 127) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= SS-SINR < %.1fdB (%u)", (((float)v-1)/2)-23, ((float)v/2)-23, v);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "40dB <= SS-SINR (127)");
}
}
static void
nr_rrc_dl_1024QAM_TotalWeightedLayers_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%u (%u)", 10+(2*v), v);
}
static void
nr_rrc_timeConnFailure_r16_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%ums (%u)", 100*v, v);
}
static void
nr_rrc_RSSI_Range_r16_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "RSSI < -100dBm (0)");
} else if (v < 76) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= RSSI < %ddBm (%u)", v-101, v-100, v);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "-25dBm <= RSSI (76)");
}
}
static void
nr_rrc_RSRQ_RangeEUTRA_r16_fmt(gchar *s, guint32 v)
{
gint32 d = (gint32)v;
if (d == -34) {
g_snprintf(s, ITEM_LABEL_LENGTH, "RSRQ < -36dB (-34)");
} else if (d < 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%d)", (((float)d-1)/2)-19, ((float)d/2)-19, d);
} else if (d == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "RSRQ < -19.5dB (0)");
} else if (d < 34) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%d)", (((float)d-1)/2)-19.5, ((float)d/2)-19.5, d);
} else if (d == 34) {
g_snprintf(s, ITEM_LABEL_LENGTH, "-3dB <= RSRQ (34)");
} else if (d < 46) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= RSRQ < %.1fdB (%d)", (((float)d-1)/2)-20, ((float)d/2)-20, d);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "2.5dB <= RSRQ (46)");
}
}
static void
nr_rrc_utra_FDD_RSCP_r16_fmt(gchar *s, guint32 v)
{
gint32 d = (gint32)v;
if (d == -5) {
g_snprintf(s, ITEM_LABEL_LENGTH, "RSCP < -120dBm (-5)");
} else if (d < 91) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= RSCP < %ddB (%d)", d-116, d-115, d);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "-25dBm <= RSCP (91)");
}
}
static void
nr_rrc_utra_FDD_EcN0_r16_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "Ec/No < -24dB (0)");
} else if (v < 49) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB <= Ec/No < %.1fdB (%u)", (((float)v-1)/2)-24, ((float)v/2)-24, v);
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "0dB <= Ec/No (49)");
}
}
static void
nr_rrc_averageDelay_r16_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fms (%u)", (float)v/10, v);
}
static void
nr_rrc_measTriggerQuantity_utra_FDD_RSCP_r16_fmt(gchar *s, guint32 v)
{
gint32 d = (gint32)v;
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm (%d)", d-115, d);
}
static void
nr_rrc_measTriggerQuantity_utra_FDD_EcN0_r16_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%u)", (float)v/2-24.5, v);
}
static void
nr_rrc_SRS_RSRP_r16_fmt(gchar *s, guint32 v)
{
if (v == 0) {
g_snprintf(s, ITEM_LABEL_LENGTH, "SRS-RSRP < -140dBm (0)");
} else if (v < 97) {
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm <= SRS-RSRP < %ddB (%u)", v-141, v-140, v);
} else if (v == 97) {
g_snprintf(s, ITEM_LABEL_LENGTH, "-44dBm <= SRS-RSRP (97)");
} else {
g_snprintf(s, ITEM_LABEL_LENGTH, "Infinity (98)");
}
}
static void
nr_rrc_MeasTriggerQuantityOffset_fmt(gchar *s, guint32 v)
{
gint32 d = (gint32)v;
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%d)", (float)d/2, d);
}
#include "packet-nr-rrc-fn.c"
int
dissect_nr_rrc_nr_RLF_Report_r16_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
proto_item *prot_ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
proto_item_set_hidden(prot_ti);
int offset = 0;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, FALSE, pinfo);
offset = dissect_nr_rrc_T_nr_RLF_Report_r16(tvb, offset, &asn1_ctx, tree, hf_nr_rrc_BCCH_DL_SCH_Message_PDU);
offset += 7; offset >>= 3;
return offset;
}
int
dissect_nr_rrc_subCarrierSpacingCommon_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
proto_item *prot_ti = proto_tree_add_item(tree, proto_nr_rrc, tvb, 0, -1, ENC_NA);
proto_item_set_hidden(prot_ti);
int offset = 0;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, FALSE, pinfo);
offset = dissect_nr_rrc_T_subCarrierSpacingCommon(tvb, offset, &asn1_ctx, tree, hf_nr_rrc_BCCH_DL_SCH_Message_PDU);
offset += 7; offset >>= 3;
return offset;
}
void
proto_register_nr_rrc(void) {
/* List of fields */
static hf_register_info hf[] = {
#include "packet-nr-rrc-hfarr.c"
{ &hf_nr_rrc_serialNumber_gs,
{ "Geographical Scope", "nr-rrc.serialNumber.gs",
FT_UINT16, BASE_DEC, VALS(nr_rrc_serialNumber_gs_vals), 0xc000,
NULL, HFILL }},
{ &hf_nr_rrc_serialNumber_msg_code,
{ "Message Code", "nr-rrc.serialNumber.msg_code",
FT_UINT16, BASE_DEC, NULL, 0x3ff0,
NULL, HFILL }},
{ &hf_nr_rrc_serialNumber_upd_nb,
{ "Update Number", "nr-rrc.serialNumber.upd_nb",
FT_UINT16, BASE_DEC, NULL, 0x000f,
NULL, HFILL }},
{ &hf_nr_rrc_warningType_value,
{ "Warning Type Value", "nr-rrc.warningType.value",
FT_UINT16, BASE_DEC, VALS(nr_rrc_warningType_vals), 0xfe00,
NULL, HFILL }},
{ &hf_nr_rrc_warningType_emergency_user_alert,
{ "Emergency User Alert", "nr-rrc.warningType.emergency_user_alert",
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0100,
NULL, HFILL }},
{ &hf_nr_rrc_warningType_popup,
{ "Popup", "nr-rrc.warningType.popup",
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0080,
NULL, HFILL }},
{ &hf_nr_rrc_warningMessageSegment_nb_pages,
{ "Number of Pages", "nr-rrc.warningMessageSegment.nb_pages",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_warningMessageSegment_decoded_page,
{ "Decoded Page", "nr-rrc.warningMessageSegment.decoded_page",
FT_STRING, STR_UNICODE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragments,
{ "Fragments", "nr-rrc.warningMessageSegment.fragments",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragment,
{ "Fragment", "nr-rrc.warningMessageSegment.fragment",
FT_FRAMENUM, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragment_overlap,
{ "Fragment Overlap", "nr-rrc.warningMessageSegment.fragment_overlap",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragment_overlap_conflict,
{ "Fragment Overlap Conflict", "nr-rrc.warningMessageSegment.fragment_overlap_conflict",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragment_multiple_tails,
{ "Fragment Multiple Tails", "nr-rrc.warningMessageSegment.fragment_multiple_tails",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragment_too_long_fragment,
{ "Too Long Fragment", "nr-rrc.warningMessageSegment.fragment_too_long_fragment",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragment_error,
{ "Fragment Error", "nr-rrc.warningMessageSegment.fragment_error",
FT_FRAMENUM, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_fragment_count,
{ "Fragment Count", "nr-rrc.warningMessageSegment.fragment_count",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_reassembled_in,
{ "Reassembled In", "nr-rrc.warningMessageSegment.reassembled_in",
FT_FRAMENUM, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_reassembled_length,
{ "Reassembled Length", "nr-rrc.warningMessageSegment.reassembled_length",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib7_reassembled_data,
{ "Reassembled Data", "nr-rrc.warningMessageSegment.reassembled_data",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragments,
{ "Fragments", "nr-rrc.warningMessageSegment.fragments",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragment,
{ "Fragment", "nr-rrc.warningMessageSegment.fragment",
FT_FRAMENUM, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragment_overlap,
{ "Fragment Overlap", "nr-rrc.warningMessageSegment.fragment_overlap",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragment_overlap_conflict,
{ "Fragment Overlap Conflict", "nr-rrc.warningMessageSegment.fragment_overlap_conflict",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragment_multiple_tails,
{ "Fragment Multiple Tails", "nr-rrc.warningMessageSegment.fragment_multiple_tails",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragment_too_long_fragment,
{ "Too Long Fragment", "nr-rrc.warningMessageSegment.fragment_too_long_fragment",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragment_error,
{ "Fragment Error", "nr-rrc.warningMessageSegment.fragment_error",
FT_FRAMENUM, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_fragment_count,
{ "Fragment Count", "nr-rrc.warningMessageSegment.fragment_count",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_reassembled_in,
{ "Reassembled In", "nr-rrc.warningMessageSegment.reassembled_in",
FT_FRAMENUM, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_reassembled_length,
{ "Reassembled Length", "nr-rrc.warningMessageSegment.reassembled_length",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_sib8_reassembled_data,
{ "Reassembled Data", "nr-rrc.warningMessageSegment.reassembled_data",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nr_rrc_utc_time,
{ "UTC time", "nr-rrc.utc_time",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0,
NULL, HFILL }},
{ &hf_nr_rrc_local_time,
{ "Local time", "nr-rrc.local_time",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0,
NULL, HFILL }},
{ &hf_nr_rrc_absolute_time,
{ "Absolute time", "nr-rrc.absolute_time",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
};
static gint *ett[] = {
&ett_nr_rrc,
#include "packet-nr-rrc-ettarr.c"
&ett_nr_rrc_DedicatedNAS_Message,
&ett_nr_rrc_targetRAT_MessageContainer,
&ett_nr_rrc_nas_Container,
&ett_nr_rrc_serialNumber,
&ett_nr_rrc_warningType,
&ett_nr_rrc_dataCodingScheme,
&ett_nr_rrc_sib7_fragment,
&ett_nr_rrc_sib7_fragments,
&ett_nr_rrc_sib8_fragment,
&ett_nr_rrc_sib8_fragments,
&ett_nr_rrc_warningMessageSegment,
&ett_nr_rrc_timeInfo,
&ett_nr_rrc_capabilityRequestFilter,
&ett_nr_rrc_sourceSCG_EUTRA_Config,
&ett_nr_rrc_scg_CellGroupConfigEUTRA,
&ett_nr_rrc_candidateCellInfoListSN_EUTRA,
&ett_nr_rrc_candidateCellInfoListMN_EUTRA,
&ett_nr_rrc_sourceConfigSCG_EUTRA,
&ett_nr_rrc_eutra_SCG,
&ett_nr_rrc_nr_SCG_Response,
&ett_nr_rrc_eutra_SCG_Response,
&ett_nr_rrc_measResultSCG_FailureMRDC,
&ett_nr_rrc_ul_DCCH_MessageNR,
&ett_nr_rrc_ul_DCCH_MessageEUTRA,
&ett_rr_rrc_nas_SecurityParamFromNR,
&ett_nr_rrc_sidelinkUEInformationNR,
&ett_nr_rrc_sidelinkUEInformationEUTRA,
&ett_nr_rrc_ueAssistanceInformationEUTRA,
&ett_nr_rrc_dl_DCCH_MessageNR,
&ett_nr_rrc_dl_DCCH_MessageEUTRA,
&ett_nr_rrc_sl_ConfigDedicatedEUTRA,
&ett_nr_rrc_sl_CapabilityInformationSidelink,
&ett_nr_rrc_measResult_RLF_Report_EUTRA,
&ett_nr_rrc_locationTimestamp_r16,
&ett_nr_rrc_locationCoordinate_r16,
&ett_nr_rrc_locationError_r16,
&ett_nr_rrc_locationSource_r16,
&ett_nr_rrc_velocityEstimate_r16,
&ett_nr_rrc_sensor_MeasurementInformation_r16,
&ett_nr_rrc_sensor_MotionInformation_r16,
&ett_nr_rrc_bandParametersSidelinkEUTRA1_r16,
&ett_nr_rrc_bandParametersSidelinkEUTRA2_r16,
&ett_nr_rrc_sl_ParametersEUTRA1_r16,
&ett_nr_rrc_sl_ParametersEUTRA2_r16,
&ett_nr_rrc_sl_ParametersEUTRA3_r16,
&ett_nr_rrc_absTimeInfo
};
static ei_register_info ei[] = {
{ &ei_nr_rrc_number_pages_le15, { "nr-rrc.number_pages_le15", PI_MALFORMED, PI_ERROR, "Number of pages should be <=15", EXPFILL }},
};
expert_module_t* expert_nr_rrc;
/* Register protocol */
proto_nr_rrc = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_nr_rrc, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_nr_rrc = expert_register_protocol(proto_nr_rrc);
expert_register_field_array(expert_nr_rrc, ei, array_length(ei));
/* Register the dissectors defined in nr-rrc.cnf */
#include "packet-nr-rrc-dis-reg.c"
nr_rrc_etws_cmas_dcs_hash = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(),
g_direct_hash, g_direct_equal);
reassembly_table_register(&nr_rrc_sib7_reassembly_table,
&addresses_reassembly_table_functions);
reassembly_table_register(&nr_rrc_sib8_reassembly_table,
&addresses_reassembly_table_functions);
}
void
proto_reg_handoff_nr_rrc(void)
{
nas_5gs_handle = find_dissector("nas-5gs");
lte_rrc_conn_reconf_handle = find_dissector("lte-rrc.rrc_conn_reconf");
lte_rrc_conn_reconf_compl_handle = find_dissector("lte-rrc.rrc_conn_reconf_compl");
lte_rrc_ul_dcch_handle = find_dissector("lte-rrc.ul.dcch");
lte_rrc_dl_dcch_handle = find_dissector("lte-rrc.dl.dcch");
}
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