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|
/* packet-ngap.c
* Routines for NG-RAN NG Application Protocol (NGAP) packet dissection
* Copyright 2018, Anders Broman <anders.broman@ericsson.com>
* Copyright 2018-2024, Pascal Quantin <pascal@wireshark.org>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* References: 3GPP TS 38.413 v18.2.0 (2024-06)
*/
#include "config.h"
#include <stdio.h>
#include <epan/packet.h>
#include <epan/strutil.h>
#include <epan/asn1.h>
#include <epan/prefs.h>
#include <epan/sctpppids.h>
#include <epan/expert.h>
#include <epan/proto_data.h>
#include <epan/conversation.h>
#include <epan/exceptions.h>
#include <epan/show_exception.h>
#include <epan/tap.h>
#include <epan/stats_tree.h>
#include <epan/tfs.h>
#include <epan/unit_strings.h>
#include <wsutil/wsjson.h>
#include <wsutil/array.h>
#include "packet-ngap.h"
#include "packet-per.h"
#include "packet-e212.h"
#include "packet-s1ap.h"
#include "packet-ranap.h"
#include "packet-rrc.h"
#include "packet-lte-rrc.h"
#include "packet-nr-rrc.h"
#include "packet-gsm_map.h"
#include "packet-cell_broadcast.h"
#include "packet-ntp.h"
#include "packet-gsm_a_common.h"
#include "packet-media-type.h"
#define PNAME "NG Application Protocol"
#define PSNAME "NGAP"
#define PFNAME "ngap"
/* Dissector will use SCTP PPID 18 or SCTP port. IANA assigned port = 36412 */
#define SCTP_PORT_NGAP 38412
void proto_register_ngap(void);
void proto_reg_handoff_ngap(void);
static dissector_handle_t ngap_handle;
static dissector_handle_t ngap_media_type_handle;
static dissector_handle_t nas_5gs_handle;
static dissector_handle_t nr_rrc_ue_radio_paging_info_handle;
static dissector_handle_t nr_rrc_ue_radio_access_cap_info_handle;
static dissector_handle_t lte_rrc_ue_radio_paging_info_handle;
static dissector_handle_t lte_rrc_ue_radio_access_cap_info_handle;
static dissector_handle_t lte_rrc_ue_radio_paging_info_nb_handle;
static dissector_handle_t lte_rrc_ue_radio_access_cap_info_nb_handle;
static dissector_handle_t nrppa_handle;
static int proto_json;
#include "packet-ngap-val.h"
/* Initialize the protocol and registered fields */
static int proto_ngap;
static int hf_ngap_transportLayerAddressIPv4;
static int hf_ngap_transportLayerAddressIPv6;
static int hf_ngap_SerialNumber_gs;
static int hf_ngap_SerialNumber_msg_code;
static int hf_ngap_SerialNumber_upd_nb;
static int hf_ngap_WarningType_value;
static int hf_ngap_WarningType_emergency_user_alert;
static int hf_ngap_WarningType_popup;
static int hf_ngap_WarningMessageContents_nb_pages;
static int hf_ngap_WarningMessageContents_decoded_page;
static int hf_ngap_NGRANTraceID_TraceID;
static int hf_ngap_NGRANTraceID_TraceRecordingSessionReference;
static int hf_ngap_InterfacesToTrace_NG_C;
static int hf_ngap_InterfacesToTrace_Xn_C;
static int hf_ngap_InterfacesToTrace_Uu;
static int hf_ngap_InterfacesToTrace_F1_C;
static int hf_ngap_InterfacesToTrace_E1;
static int hf_ngap_InterfacesToTrace_reserved;
static int hf_ngap_RATRestrictionInformation_e_UTRA;
static int hf_ngap_RATRestrictionInformation_nR;
static int hf_ngap_RATRestrictionInformation_nR_unlicensed;
static int hf_ngap_RATRestrictionInformation_reserved;
static int hf_ngap_primaryRATRestriction_e_UTRA;
static int hf_ngap_primaryRATRestriction_nR;
static int hf_ngap_primaryRATRestriction_nR_unlicensed;
static int hf_ngap_primaryRATRestriction_nR_LEO;
static int hf_ngap_primaryRATRestriction_nR_MEO;
static int hf_ngap_primaryRATRestriction_nR_GEO;
static int hf_ngap_primaryRATRestriction_nR_OTHERSAT;
static int hf_ngap_primaryRATRestriction_e_UTRA_LEO;
static int hf_ngap_primaryRATRestriction_e_UTRA_MEO;
static int hf_ngap_primaryRATRestriction_e_UTRA_GEO;
static int hf_ngap_primaryRATRestriction_e_UTRA_OTHERSAT;
static int hf_ngap_primaryRATRestriction_reserved;
static int hf_ngap_secondaryRATRestriction_e_UTRA;
static int hf_ngap_secondaryRATRestriction_nR;
static int hf_ngap_secondaryRATRestriction_e_UTRA_unlicensed;
static int hf_ngap_secondaryRATRestriction_nR_unlicensed;
static int hf_ngap_secondaryRATRestriction_reserved;
static int hf_ngap_NrencryptionAlgorithms_nea1;
static int hf_ngap_NrencryptionAlgorithms_nea2;
static int hf_ngap_NrencryptionAlgorithms_nea3;
static int hf_ngap_NrencryptionAlgorithms_reserved;
static int hf_ngap_NrintegrityProtectionAlgorithms_nia1;
static int hf_ngap_NrintegrityProtectionAlgorithms_nia2;
static int hf_ngap_NrintegrityProtectionAlgorithms_nia3;
static int hf_ngap_NrintegrityProtectionAlgorithms_reserved;
static int hf_ngap_EUTRAencryptionAlgorithms_eea1;
static int hf_ngap_EUTRAencryptionAlgorithms_eea2;
static int hf_ngap_EUTRAencryptionAlgorithms_eea3;
static int hf_ngap_EUTRAencryptionAlgorithms_reserved;
static int hf_ngap_EUTRAintegrityProtectionAlgorithms_eia1;
static int hf_ngap_EUTRAintegrityProtectionAlgorithms_eia2;
static int hf_ngap_EUTRAintegrityProtectionAlgorithms_eia3;
static int hf_ngap_EUTRAintegrityProtectionAlgorithms_eia7;
static int hf_ngap_EUTRAintegrityProtectionAlgorithms_reserved;
static int hf_ngap_MeasurementsToActivate_M1;
static int hf_ngap_MeasurementsToActivate_M2;
static int hf_ngap_MeasurementsToActivate_M4;
static int hf_ngap_MeasurementsToActivate_M5;
static int hf_ngap_MeasurementsToActivate_M6;
static int hf_ngap_MeasurementsToActivate_M7;
static int hf_ngap_MeasurementsToActivate_M1_from_event;
static int hf_ngap_MeasurementsToActivate_reserved;
static int hf_ngap_MDT_Location_Information_GNSS;
static int hf_ngap_MDT_Location_Information_reserved;
static int hf_ngap_GlobalCable_ID_str;
static int hf_ngap_UpdateFeedback_CN_PDB_DL;
static int hf_ngap_UpdateFeedback_CN_PDB_UL;
static int hf_ngap_UpdateFeedback_reserved;
#include "packet-ngap-hf.c"
/* Initialize the subtree pointers */
static int ett_ngap;
static int ett_ngap_TransportLayerAddress;
static int ett_ngap_DataCodingScheme;
static int ett_ngap_SerialNumber;
static int ett_ngap_WarningType;
static int ett_ngap_WarningMessageContents;
static int ett_ngap_PLMNIdentity;
static int ett_ngap_NGAP_Message;
static int ett_ngap_NGRANTraceID;
static int ett_ngap_InterfacesToTrace;
static int ett_ngap_SourceToTarget_TransparentContainer;
static int ett_ngap_TargetToSource_TransparentContainer;
static int ett_ngap_RRCContainer;
static int ett_ngap_RATRestrictionInformation;
static int ett_ngap_primaryRATRestriction;
static int ett_ngap_secondaryRATRestriction;
static int ett_ngap_NrencryptionAlgorithms;
static int ett_ngap_NrintegrityProtectionAlgorithms;
static int ett_ngap_EUTRAencryptionAlgorithms;
static int ett_ngap_EUTRAintegrityProtectionAlgorithms;
static int ett_ngap_UERadioCapabilityForPagingOfNR;
static int ett_ngap_UERadioCapabilityForPagingOfEUTRA;
static int ett_ngap_UERadioCapability;
static int ett_ngap_LastVisitedEUTRANCellInformation;
static int ett_ngap_LastVisitedUTRANCellInformation;
static int ett_ngap_LastVisitedGERANCellInformation;
static int ett_ngap_NASSecurityParametersFromNGRAN;
static int ett_ngap_NASC;
static int ett_ngap_NAS_PDU;
static int ett_ngap_EN_DCSONConfigurationTransfer;
static int ett_ngap_BurstArrivalTime;
static int ett_ngap_CoverageEnhancementLevel;
static int ett_ngap_MDTModeEutra;
static int ett_ngap_MeasurementsToActivate;
static int ett_ngap_MDT_Location_Information;
static int ett_ngap_NRMobilityHistoryReport;
static int ett_ngap_LTEUERLFReportContainer;
static int ett_ngap_NRUERLFReportContainer;
static int ett_ngap_TargettoSource_Failure_TransparentContainer;
static int ett_ngap_UERadioCapabilityForPagingOfNB_IoT;
static int ett_ngap_GlobalCable_ID;
static int ett_ngap_UpdateFeedback;
static int ett_ngap_successfulHOReportContainer;
static int ett_ngap_successfulPSCellChangeReportContainer;
#include "packet-ngap-ett.c"
static expert_field ei_ngap_number_pages_le15;
enum{
INITIATING_MESSAGE,
SUCCESSFUL_OUTCOME,
UNSUCCESSFUL_OUTCOME
};
/* NGAP stats - Tap interface */
static void set_stats_message_type(packet_info *pinfo, int type);
static const uint8_t *st_str_packets = "Total Packets";
static const uint8_t *st_str_packet_types = "NGAP Packet Types";
static int st_node_packets = -1;
static int st_node_packet_types = -1;
static int ngap_tap;
struct ngap_tap_t {
int ngap_mtype;
};
#define MTYPE_AMF_CONFIGURATION_UPDATE 1
#define MTYPE_AMF_CONFIGURATION_UPDATE_ACK 2
#define MTYPE_AMF_CONFIGURATION_UPDATE_FAILURE 3
#define MTYPE_AMF_CP_RELOCATION_IND 4
#define MTYPE_AMF_STATUS_IND 5
#define MTYPE_BROADCAST_SESSION_MODIFICATION_REQUEST 6
#define MTYPE_BROADCAST_SESSION_MODIFICATION_RESPONSE 7
#define MTYPE_BROADCAST_SESSION_MODIFICATION_FAILURE 8
#define MTYPE_BROADCAST_SESSION_RELEASE_REQUEST 9
#define MTYPE_BROADCAST_SESSION_RELEASE_RESPONSE 10
#define MTYPE_BROADCAST_SESSION_RELEASE_REQUIRED 11
#define MTYPE_BROADCAST_SESSION_SETUP_REQUEST 12
#define MTYPE_BROADCAST_SESSION_SETUP_RESPONSE 13
#define MTYPE_BROADCAST_SESSION_SETUP_FAILURE 14
#define MTYPE_BROADCAST_SESSION_TRANSPORT_REQUEST 15
#define MTYPE_BROADCAST_SESSION_TRANSPORT_RESPONSE 16
#define MTYPE_BROADCAST_SESSION_TRANSPORT_FAILURE 17
#define MTYPE_CELL_TRAFFIC_TRACE 18
#define MTYPE_CONNECTION_ESTAB_IND 19
#define MTYPE_DEACTIVATE_TRACE 20
#define MTYPE_DISTRIBUTION_SETUP_REQUEST 21
#define MTYPE_DISTRIBUTION_SETUP_RESPONSE 22
#define MTYPE_DISTRIBUTION_SETUP_FAILURE 23
#define MTYPE_DISTRIBUTION_RELEASE_REQUEST 24
#define MTYPE_DISTRIBUTION_RELEASE_RESPONSE 25
#define MTYPE_DOWNLINK_NAS_TRANSPORT 26
#define MTYPE_DOWNLINK_NON_UE_ASSOCIATED_NR_PPA_TRANSPORT 27
#define MTYPE_DOWNLINK_RAN_CONFIGURATION_TRANSFER 28
#define MTYPE_DOWNLINK_RAN_EARLY_STATUS_TRANSFER 29
#define MTYPE_DOWNLINK_RAN_STATUS_TRANSFER 30
#define MTYPE_DOWNLINK_UE_ASSOCIATED_NR_PPA_TRANSPORT 31
#define MTYPE_ERROR_INDICATION 32
#define MTYPE_HANDOVER_CANCEL 33
#define MTYPE_HANDOVER_CANCEL_ACK 34
#define MTYPE_HANDOVER_NOTIFY 35
#define MTYPE_HANDOVER_REQUIRED 36
#define MTYPE_HANDOVER_COMMAND 37
#define MTYPE_HANDOVER_PREPARATION_FAILURE 38
#define MTYPE_HANDOVER_REQUEST 39
#define MTYPE_HANDOVER_REQUEST_ACK 40
#define MTYPE_HANDOVER_FAILURE 41
#define MTYPE_HANDOVER_SUCCESS 42
#define MTYPE_INITIAL_CONTEXT_SETUP_REQUEST 43
#define MTYPE_INITIAL_CONTEXT_SETUP_RESPONSE 44
#define MTYPE_INITIAL_CONTEXT_SETUP_FAILURE 45
#define MTYPE_INITIAL_UE_MESSAGE 46
#define MTYPE_LOCATION_REPORT 47
#define MTYPE_LOCATION_REPORTING_CONTROL 48
#define MTYPE_LOCATION_REPORTING_FAILURE_IND 49
#define MTYPE_MT_COMMUNICATION_HANDLING_REQUEST 50
#define MTYPE_MT_COMMUNICATION_HANDLING_RESPONSE 51
#define MTYPE_MT_COMMUNICATION_HANDLING_FAILURE 52
#define MTYPE_MULTICAST_SESSION_ACTIVATION_REQUEST 53
#define MTYPE_MULTICAST_SESSION_ACTIVATION_RESPONSE 54
#define MTYPE_MULTICAST_SESSION_ACTIVATION_FAILURE 55
#define MTYPE_MULTICAST_SESSION_DEACTIVATION_REQUEST 56
#define MTYPE_MULTICAST_SESSION_DEACTIVATION_RESPONSE 57
#define MTYPE_MULTICAST_SESSION_UPDATE_REQUEST 58
#define MTYPE_MULTICAST_SESSION_UPDATE_RESPONSE 59
#define MTYPE_MULTICAST_SESSION_UPDATE_FAILURE 60
#define MTYPE_MULTICAST_GROUP_PAGING 61
#define MTYPE_NAS_NON_DELIVERY_IND 62
#define MTYPE_NG_RESET 63
#define MTYPE_NG_RESET_ACK 64
#define MTYPE_NG_SETUP_REQUEST 65
#define MTYPE_NG_SETUP_RESPONSE 66
#define MTYPE_NG_SETUP_FAILURE 67
#define MTYPE_OVERLOAD_START 68
#define MTYPE_OVERLOAD_STOP 69
#define MTYPE_PAGING 70
#define MTYPE_PATH_SWITCH_REQUEST 71
#define MTYPE_PATH_SWITCH_REQUEST_ACK 72
#define MTYPE_PATH_SWITCH_REQUEST_FAILURE 73
#define MTYPE_PDU_SESSION_RESOURCE_MODIFY_REQUEST 74
#define MTYPE_PDU_SESSION_RESOURCE_MODIFY_RESPONSE 75
#define MTYPE_PDU_SESSION_RESOURCE_MODIFY_IND 76
#define MTYPE_PDU_SESSION_RESOURCE_MODIFY_CONFIRM 77
#define MTYPE_PDU_SESSION_RESOURCE_NOTIFY 78
#define MTYPE_PDU_SESSION_RESOURCE_RELEASE_COMMAND 79
#define MTYPE_PDU_SESSION_RESOURCE_RELEASE_RESPONSE 80
#define MTYPE_PDU_SESSION_RESOURCE_SETUP_REQUEST 81
#define MTYPE_PDU_SESSION_RESOURCE_SETUP_RESPONSE 82
#define MTYPE_PRIVATE_MESSAGE 83
#define MTYPE_PWS_CANCEL_REQUEST 84
#define MTYPE_PWS_CANCEL_RESPONSE 85
#define MTYPE_PWS_FAILURE_INDICATION 86
#define MTYPE_PWS_RESTART_INDICATION 87
#define MTYPE_RAN_CONFIGURATION_UPDATE 88
#define MTYPE_RAN_CONFIGURATION_UPDATE_ACK 89
#define MTYPE_RAN_CONFIGURATION_UPDATE_FAILURE 90
#define MTYPE_RAN_CP_RELOCATION_IND 91
#define MTYPE_RAN_PAGING_REQUEST 92
#define MTYPE_REROUTE_NAS_REQUEST 93
#define MTYPE_RETRIEVE_UE_INFORMATION 94
#define MTYPE_RRC_INACTIVE_TRANSITION_REPORT 95
#define MTYPE_SECONDARY_RAT_DATA_USAGE_REPORT 96
#define MTYPE_TIMING_SYNCHRONISATION_STATUS_REQUEST 97
#define MTYPE_TIMING_SYNCHRONISATION_STATUS_RESPONSE 98
#define MTYPE_TIMING_SYNCHRONISATION_STATUS_FAILURE 99
#define MTYPE_TIMING_SYNCHRONISATION_STATUS_REPORT 100
#define MTYPE_TRACE_FAILURE_IND 101
#define MTYPE_TRACE_START 102
#define MTYPE_UE_CONTEXT_MODIFICATION_REQUEST 103
#define MTYPE_UE_CONTEXT_MODIFICATION_RESPONSE 104
#define MTYPE_UE_CONTEXT_MODIFICATION_FAILURE 105
#define MTYPE_UE_CONTEXT_RELEASE_COMMAND 106
#define MTYPE_UE_CONTEXT_RELEASE_COMPLETE 107
#define MTYPE_UE_CONTEXT_RELEASE_REQUEST 108
#define MTYPE_UE_CONTEXT_RESUME_REQUEST 109
#define MTYPE_UE_CONTEXT_RESUME_RESPONSE 110
#define MTYPE_UE_CONTEXT_RESUME_FAILURE 111
#define MTYPE_UE_CONTEXT_SUSPEND_REQUEST 112
#define MTYPE_UE_CONTEXT_SUSPEND_RESPONSE 113
#define MTYPE_UE_CONTEXT_SUSPEND_FAILURE 114
#define MTYPE_UE_INFORMATION_TRANSFER 115
#define MTYPE_UE_RADIO_CAPABILITY_CHECK_REQUEST 116
#define MTYPE_UE_RADIO_CAPABILITY_CHECK_RESPONSE 117
#define MTYPE_UE_RADIO_CAPABILITY_ID_MAPPING_REQUEST 118
#define MTYPE_UE_RADIO_CAPABILITY_ID_MAPPING_RESPONSE 119
#define MTYPE_UE_RADIO_CAPABILITY_INFO_IND 120
#define MTYPE_UE_TN_LAB_BINDING_RELEASE_REQUEST 121
#define MTYPE_UPLINK_NAS_TRANSPORT 122
#define MTYPE_UPLINK_NON_UE_ASSOCIATED_NR_PPA_TRANSPORT 123
#define MTYPE_UPLINK_RAN_CONFIGURATION_TRANSFER 124
#define MTYPE_UPLINK_RAN_EARLY_STATUS_TRANSFER 125
#define MTYPE_UPLINK_RAN_STATUS_TRANSFER 126
#define MTYPE_UPLINK_UE_ASSOCIATED_NR_PPA_TRANSPORT 127
#define MTYPE_WRITE_REPLACE_WARNING_REQUEST 128
#define MTYPE_WRITE_REPLACE_WARNING_RESPONSE 129
#define MTYPE_UPLINK_RIM_INFORMATION_TRANSFER 130
#define MTYPE_DOWNLINK_RIM_INFORMATION_TRANSFER 131
/* Value Strings. TODO: ext? */
static const value_string mtype_names[] = {
{ MTYPE_AMF_CONFIGURATION_UPDATE, "AMFConfigurationUpdate" },
{ MTYPE_AMF_CONFIGURATION_UPDATE_ACK, "AMFConfigurationUpdateAcknowledge" },
{ MTYPE_AMF_CONFIGURATION_UPDATE_FAILURE, "AMFConfigurationUpdateFailure" },
{ MTYPE_AMF_CP_RELOCATION_IND, "AMFCPRelocationIndication" },
{ MTYPE_AMF_STATUS_IND, "AMFStatusIndication" },
{ MTYPE_BROADCAST_SESSION_MODIFICATION_REQUEST, "BroadcastSessionModificationRequest" },
{ MTYPE_BROADCAST_SESSION_MODIFICATION_RESPONSE, "BroadcastSessionModificationResponse" },
{ MTYPE_BROADCAST_SESSION_MODIFICATION_FAILURE, "BroadcastSessionModificationFailure" },
{ MTYPE_BROADCAST_SESSION_RELEASE_REQUEST, "BroadcastSessionReleaseRequest" },
{ MTYPE_BROADCAST_SESSION_RELEASE_RESPONSE, "BroadcastSessionReleaseResponse" },
{ MTYPE_BROADCAST_SESSION_RELEASE_REQUIRED, "BroadcastSessionReleaseRequired" },
{ MTYPE_BROADCAST_SESSION_SETUP_REQUEST, "BroadcastSessionSetupRequest" },
{ MTYPE_BROADCAST_SESSION_SETUP_RESPONSE, "BroadcastSessionSetupResponse" },
{ MTYPE_BROADCAST_SESSION_SETUP_FAILURE, "BroadcastSessionSetupFailure" },
{ MTYPE_BROADCAST_SESSION_TRANSPORT_REQUEST, "BroadcastSessionTransportRequest" },
{ MTYPE_BROADCAST_SESSION_TRANSPORT_RESPONSE, "BroadcastSessionTransportResponse" },
{ MTYPE_BROADCAST_SESSION_TRANSPORT_FAILURE, "BroadcastSessionTransportFailure" },
{ MTYPE_CELL_TRAFFIC_TRACE, "CellTrafficTrace" },
{ MTYPE_CONNECTION_ESTAB_IND, "ConnectionEstablishmentIndication" },
{ MTYPE_DEACTIVATE_TRACE, "DeactivateTrace" },
{ MTYPE_DISTRIBUTION_SETUP_REQUEST, "DistributionSetupRequest" },
{ MTYPE_DISTRIBUTION_SETUP_RESPONSE, "DistributionSetupResponse" },
{ MTYPE_DISTRIBUTION_SETUP_FAILURE, "DistributionSetupFailure" },
{ MTYPE_DISTRIBUTION_RELEASE_REQUEST, "DistributionReleaseRequest" },
{ MTYPE_DISTRIBUTION_RELEASE_RESPONSE, "DistributionReleaseResponse" },
{ MTYPE_DOWNLINK_NAS_TRANSPORT, "DownlinkNASTransport" },
{ MTYPE_DOWNLINK_NON_UE_ASSOCIATED_NR_PPA_TRANSPORT, "DownlinkNonUEAssociatedNRPPaTransport" },
{ MTYPE_DOWNLINK_RAN_CONFIGURATION_TRANSFER, "DownlinkRANConfigurationTransfer" },
{ MTYPE_DOWNLINK_RAN_EARLY_STATUS_TRANSFER, "DownlinkRANEarlyStatusTransfer" },
{ MTYPE_DOWNLINK_RAN_STATUS_TRANSFER, "DownlinkRANStatusTransfer" },
{ MTYPE_DOWNLINK_UE_ASSOCIATED_NR_PPA_TRANSPORT, "DownlinkUEAssociatedNRPPaTransport" },
{ MTYPE_ERROR_INDICATION, "ErrorIndication" },
{ MTYPE_HANDOVER_CANCEL, "HandoverCancel" },
{ MTYPE_HANDOVER_CANCEL_ACK, "HandoverCancelAcknowledge" },
{ MTYPE_HANDOVER_NOTIFY, "HandoverNotify" },
{ MTYPE_HANDOVER_REQUIRED, "HandoverRequired" },
{ MTYPE_HANDOVER_COMMAND, "HandoverCommand" },
{ MTYPE_HANDOVER_PREPARATION_FAILURE, "HandoverPreparationFailure" },
{ MTYPE_HANDOVER_REQUEST, "HandoverRequest" },
{ MTYPE_HANDOVER_REQUEST_ACK, "HandoverRequestAcknowledge" },
{ MTYPE_HANDOVER_FAILURE, "HandoverFailure" },
{ MTYPE_HANDOVER_SUCCESS, "HandoverSuccess" },
{ MTYPE_INITIAL_CONTEXT_SETUP_REQUEST, "InitialContextSetupRequest" },
{ MTYPE_INITIAL_CONTEXT_SETUP_RESPONSE, "InitialContextSetupResponse" },
{ MTYPE_INITIAL_CONTEXT_SETUP_FAILURE, "InitialContextSetupFailure" },
{ MTYPE_INITIAL_UE_MESSAGE, "InitialUEMessage" },
{ MTYPE_LOCATION_REPORT, "LocationReport" },
{ MTYPE_LOCATION_REPORTING_CONTROL, "LocationReportingControl" },
{ MTYPE_LOCATION_REPORTING_FAILURE_IND, "LocationReportingFailureIndication" },
{ MTYPE_MT_COMMUNICATION_HANDLING_REQUEST, "MTCommunicationHandlingRequest" },
{ MTYPE_MT_COMMUNICATION_HANDLING_RESPONSE, "MTCommunicationHandlingResponse" },
{ MTYPE_MT_COMMUNICATION_HANDLING_FAILURE, "MTCommunicationHandlingFailure" },
{ MTYPE_MULTICAST_SESSION_ACTIVATION_REQUEST, "MulticastSessionActivationRequest" },
{ MTYPE_MULTICAST_SESSION_ACTIVATION_RESPONSE, "MulticastSessionActivationResponse" },
{ MTYPE_MULTICAST_SESSION_ACTIVATION_FAILURE, "MulticastSessionActivationFailure" },
{ MTYPE_MULTICAST_SESSION_DEACTIVATION_REQUEST, "MulticastSessionDeactivationRequest" },
{ MTYPE_MULTICAST_SESSION_DEACTIVATION_RESPONSE, "MulticastSessionDeactivationResponse" },
{ MTYPE_MULTICAST_SESSION_UPDATE_REQUEST, "MulticastSessionUpdateRequest" },
{ MTYPE_MULTICAST_SESSION_UPDATE_RESPONSE, "MulticastSessionUpdateResponse" },
{ MTYPE_MULTICAST_SESSION_UPDATE_FAILURE, "MulticastSessionUpdateFailure" },
{ MTYPE_MULTICAST_GROUP_PAGING, "MulticastGroupPaging" },
{ MTYPE_NAS_NON_DELIVERY_IND, "NASNonDeliveryIndication" },
{ MTYPE_NG_RESET, "NGReset" },
{ MTYPE_NG_RESET_ACK, "NGResetAcknowledge" },
{ MTYPE_NG_SETUP_REQUEST, "NGSetupRequest" },
{ MTYPE_NG_SETUP_RESPONSE, "NGSetupResponse" },
{ MTYPE_NG_SETUP_FAILURE, "NGSetupFailure" },
{ MTYPE_OVERLOAD_START, "OverloadStart" },
{ MTYPE_OVERLOAD_STOP, "OverloadStop" },
{ MTYPE_PAGING, "Paging" },
{ MTYPE_PATH_SWITCH_REQUEST, "PathSwitchRequest" },
{ MTYPE_PATH_SWITCH_REQUEST_ACK, "PathSwitchRequestAcknowledge" },
{ MTYPE_PATH_SWITCH_REQUEST_FAILURE, "PathSwitchRequestFailure" },
{ MTYPE_PDU_SESSION_RESOURCE_MODIFY_REQUEST, "PDUSessionResourceModifyRequest" },
{ MTYPE_PDU_SESSION_RESOURCE_MODIFY_RESPONSE, "PDUSessionResourceModifyResponse" },
{ MTYPE_PDU_SESSION_RESOURCE_MODIFY_IND, "PDUSessionResourceModifyIndication" },
{ MTYPE_PDU_SESSION_RESOURCE_MODIFY_CONFIRM, "PDUSessionResourceModifyConfirm" },
{ MTYPE_PDU_SESSION_RESOURCE_NOTIFY, "PDUSessionResourceNotify" },
{ MTYPE_PDU_SESSION_RESOURCE_RELEASE_COMMAND, "PDUSessionResourceReleaseCommand" },
{ MTYPE_PDU_SESSION_RESOURCE_RELEASE_RESPONSE, "PDUSessionResourceReleaseResponse" },
{ MTYPE_PDU_SESSION_RESOURCE_SETUP_REQUEST, "PDUSessionResourceSetupRequest" },
{ MTYPE_PDU_SESSION_RESOURCE_SETUP_RESPONSE, "PDUSessionResourceSetupResponse" },
{ MTYPE_PRIVATE_MESSAGE, "PrivateMessage" },
{ MTYPE_PWS_CANCEL_REQUEST, "PWSCancelRequest" },
{ MTYPE_PWS_CANCEL_RESPONSE, "PWSCancelResponse" },
{ MTYPE_PWS_FAILURE_INDICATION, "PWSFailureIndication" },
{ MTYPE_PWS_RESTART_INDICATION, "PWSRestartIndication" },
{ MTYPE_RAN_CONFIGURATION_UPDATE, "RANConfigurationUpdate" },
{ MTYPE_RAN_CONFIGURATION_UPDATE_ACK, "RANConfigurationUpdateAcknowledge" },
{ MTYPE_RAN_CONFIGURATION_UPDATE_FAILURE, "RANConfigurationUpdateFailure" },
{ MTYPE_RAN_CP_RELOCATION_IND, "RANCPRelocationIndication" },
{ MTYPE_RAN_PAGING_REQUEST, "RANPagingRequest" },
{ MTYPE_REROUTE_NAS_REQUEST, "RerouteNASRequest" },
{ MTYPE_RETRIEVE_UE_INFORMATION, "RetrieveUEInformation" },
{ MTYPE_RRC_INACTIVE_TRANSITION_REPORT, "RRCInactiveTransitionReport" },
{ MTYPE_SECONDARY_RAT_DATA_USAGE_REPORT, "SecondaryRATDataUsageReport" },
{ MTYPE_TIMING_SYNCHRONISATION_STATUS_REQUEST, "TimingSynchronisationStatusRequest" },
{ MTYPE_TIMING_SYNCHRONISATION_STATUS_RESPONSE, "TimingSynchronisationStatusResponse" },
{ MTYPE_TIMING_SYNCHRONISATION_STATUS_FAILURE, "TimingSynchronisationStatusFailure" },
{ MTYPE_TIMING_SYNCHRONISATION_STATUS_REPORT, "TimingSynchronisationStatusReport" },
{ MTYPE_TRACE_FAILURE_IND, "TraceFailureIndication" },
{ MTYPE_TRACE_START, "TraceStart" },
{ MTYPE_UE_CONTEXT_MODIFICATION_REQUEST, "UEContextModificationRequest" },
{ MTYPE_UE_CONTEXT_MODIFICATION_RESPONSE, "UEContextModificationResponse" },
{ MTYPE_UE_CONTEXT_MODIFICATION_FAILURE, "UEContextModificationFailure" },
{ MTYPE_UE_CONTEXT_RELEASE_COMMAND, "UEContextReleaseCommand" },
{ MTYPE_UE_CONTEXT_RELEASE_COMPLETE, "UEContextReleaseComplete" },
{ MTYPE_UE_CONTEXT_RELEASE_REQUEST, "UEContextReleaseRequest" },
{ MTYPE_UE_CONTEXT_RESUME_REQUEST, "UEContextResumeRequest" },
{ MTYPE_UE_CONTEXT_RESUME_RESPONSE, "UEContextResumeResponse" },
{ MTYPE_UE_CONTEXT_RESUME_FAILURE, "UEContextResumeFailure" },
{ MTYPE_UE_CONTEXT_SUSPEND_REQUEST, "UEContextSuspendRequest" },
{ MTYPE_UE_CONTEXT_SUSPEND_RESPONSE, "UEContextSuspendResponse" },
{ MTYPE_UE_CONTEXT_SUSPEND_FAILURE, "UEContextSuspendFailure" },
{ MTYPE_UE_INFORMATION_TRANSFER, "UEInformationTransfer" },
{ MTYPE_UE_RADIO_CAPABILITY_CHECK_REQUEST, "UERadioCapabilityCheckRequest" },
{ MTYPE_UE_RADIO_CAPABILITY_CHECK_RESPONSE, "UERadioCapabilityCheckResponse" },
{ MTYPE_UE_RADIO_CAPABILITY_ID_MAPPING_REQUEST, "UERadioCapabilityIDMappingRequest" },
{ MTYPE_UE_RADIO_CAPABILITY_ID_MAPPING_RESPONSE, "UERadioCapabilityIDMappingResponse" },
{ MTYPE_UE_RADIO_CAPABILITY_INFO_IND, "UERadioCapabilityInfoIndication" },
{ MTYPE_UE_TN_LAB_BINDING_RELEASE_REQUEST, "UETNLABindingReleaseRequest" },
{ MTYPE_UPLINK_NAS_TRANSPORT, "UplinkNASTransport" },
{ MTYPE_UPLINK_NON_UE_ASSOCIATED_NR_PPA_TRANSPORT, "UplinkNonUEAssociatedNRPPaTransport" },
{ MTYPE_UPLINK_RAN_CONFIGURATION_TRANSFER, "UplinkRANConfigurationTransfer" },
{ MTYPE_UPLINK_RAN_EARLY_STATUS_TRANSFER, "UplinkRANEarlyStatusTransfer" },
{ MTYPE_UPLINK_RAN_STATUS_TRANSFER, "UplinkRANStatusTransfer" },
{ MTYPE_UPLINK_UE_ASSOCIATED_NR_PPA_TRANSPORT, "UplinkUEAssociatedNRPPaTransport" },
{ MTYPE_WRITE_REPLACE_WARNING_REQUEST, "WriteReplaceWarningRequest" },
{ MTYPE_WRITE_REPLACE_WARNING_RESPONSE, "WriteReplaceWarningResponse" },
{ MTYPE_UPLINK_RIM_INFORMATION_TRANSFER, "UplinkRIMInformationTransfer" },
{ MTYPE_DOWNLINK_RIM_INFORMATION_TRANSFER, "DownlinkRIMInformationTransfer" },
{ 0, NULL }
};
typedef struct _ngap_ctx_t {
uint32_t message_type;
uint32_t ProcedureCode;
uint32_t ProtocolIE_ID;
uint32_t ProtocolExtensionID;
} ngap_ctx_t;
struct ngap_conv_info {
address addr_a;
uint32_t port_a;
GlobalRANNodeID_enum ranmode_id_a;
address addr_b;
uint32_t port_b;
GlobalRANNodeID_enum ranmode_id_b;
wmem_map_t *nbiot_ta;
wmem_tree_t *nbiot_ran_ue_ngap_id;
};
enum {
SOURCE_TO_TARGET_TRANSPARENT_CONTAINER = 1,
TARGET_TO_SOURCE_TRANSPARENT_CONTAINER
};
struct ngap_supported_ta {
uint32_t tac;
wmem_array_t *plmn;
};
struct ngap_tai {
uint32_t plmn;
uint32_t tac;
};
struct ngap_private_data {
struct ngap_conv_info *ngap_conv;
uint32_t procedure_code;
uint32_t protocol_ie_id;
uint32_t protocol_extension_id;
uint32_t message_type;
uint32_t handover_type_value;
uint8_t data_coding_scheme;
uint8_t transparent_container_type;
bool is_qos_flow_notify;
struct ngap_supported_ta *supported_ta;
struct ngap_tai *tai;
uint32_t ran_ue_ngap_id;
e212_number_type_t number_type;
int8_t qos_flow_add_info_rel_type;
struct ngap_tap_t *stats_tap;
};
enum {
NGAP_NG_RAN_CONTAINER_AUTOMATIC,
NGAP_NG_RAN_CONTAINER_GNB,
NGAP_NG_RAN_CONTAINER_NG_ENB
};
static const enum_val_t ngap_target_ng_ran_container_vals[] = {
{"automatic", "automatic", NGAP_NG_RAN_CONTAINER_AUTOMATIC},
{"gnb", "gNB", NGAP_NG_RAN_CONTAINER_GNB},
{"ng-enb","ng-eNB", NGAP_NG_RAN_CONTAINER_NG_ENB},
{NULL, NULL, -1}
};
enum {
NGAP_LTE_CONTAINER_AUTOMATIC,
NGAP_LTE_CONTAINER_LEGACY,
NGAP_LTE_CONTAINER_NBIOT
};
static const enum_val_t ngap_lte_container_vals[] = {
{"automatic", "Automatic", NGAP_LTE_CONTAINER_AUTOMATIC},
{"legacy", "Legacy LTE", NGAP_LTE_CONTAINER_LEGACY},
{"nb-iot","NB-IoT", NGAP_LTE_CONTAINER_NBIOT},
{NULL, NULL, -1}
};
/* Global variables */
static range_t *gbl_ngapSctpRange;
static bool ngap_dissect_container = true;
static int ngap_dissect_target_ng_ran_container_as = NGAP_NG_RAN_CONTAINER_AUTOMATIC;
static int ngap_dissect_lte_container_as = NGAP_LTE_CONTAINER_AUTOMATIC;
/* Dissector tables */
static dissector_table_t ngap_ies_dissector_table;
static dissector_table_t ngap_ies_p1_dissector_table;
static dissector_table_t ngap_ies_p2_dissector_table;
static dissector_table_t ngap_extension_dissector_table;
static dissector_table_t ngap_proc_imsg_dissector_table;
static dissector_table_t ngap_proc_sout_dissector_table;
static dissector_table_t ngap_proc_uout_dissector_table;
static dissector_table_t ngap_n2_ie_type_dissector_table;
static proto_tree *top_tree;
static void set_message_label(asn1_ctx_t *actx, int type)
{
const char *label = val_to_str_const(type, mtype_names, "Unknown");
col_append_sep_str(actx->pinfo->cinfo, COL_INFO, NULL, label);
/* N.B. would like to be able to use actx->subTree.top_tree, but not easy to set.. */
proto_item_append_text(top_tree, " (%s)", label);
}
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
/* Currently not used
static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
*/
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_InitialUEMessage_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data);
static int dissect_PDUSessionResourceReleaseResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_HandoverRequestAcknowledgeTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceModifyUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceSetupUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_HandoverResourceAllocationUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PathSwitchRequestSetupFailedTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_HandoverCommandTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_HandoverRequiredTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceModifyConfirmTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceModifyIndicationTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceModifyRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceModifyResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceNotifyTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceNotifyReleasedTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PathSwitchRequestUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceSetupRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceSetupResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PathSwitchRequestAcknowledgeTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PathSwitchRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_HandoverPreparationUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceReleaseCommandTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_TargetNGRANNode_ToSourceNGRANNode_FailureTransparentContainer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_SecondaryRATDataUsageReportTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_PDUSessionResourceModifyIndicationUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_ngap_AlternativeQoSParaSetNotifyIndex(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
static int dissect_UEContextResumeRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_UEContextResumeResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_UEContextSuspendRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_MBSSessionSetupOrModRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_MBSSessionSetupOrModResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_MBSSessionSetupOrModFailureTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static int dissect_MBSSessionReleaseResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
static const value_string ngap_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 ngap_warningType_vals[] = {
{ 0, "Earthquake"},
{ 1, "Tsunami"},
{ 2, "Earthquake and Tsunami"},
{ 3, "Test"},
{ 4, "Other"},
{ 0, NULL},
};
static void
dissect_ngap_warningMessageContents(tvbuff_t *warning_msg_tvb, proto_tree *tree, packet_info *pinfo, uint8_t dcs, int hf_nb_pages, int hf_decoded_page)
{
uint32_t offset;
uint8_t nb_of_pages, length, *str;
proto_item *ti;
tvbuff_t *cb_data_page_tvb, *cb_data_tvb;
int i;
nb_of_pages = tvb_get_uint8(warning_msg_tvb, 0);
ti = proto_tree_add_uint(tree, hf_nb_pages, warning_msg_tvb, 0, 1, nb_of_pages);
if (nb_of_pages > 15) {
expert_add_info_format(pinfo, ti, &ei_ngap_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_uint8(warning_msg_tvb, offset+82);
cb_data_page_tvb = tvb_new_subset_length(warning_msg_tvb, offset, length);
cb_data_tvb = dissect_cbs_data(dcs, cb_data_page_tvb, tree, pinfo, 0);
if (cb_data_tvb) {
str = tvb_get_string_enc(pinfo->pool, cb_data_tvb, 0, tvb_reported_length(cb_data_tvb), ENC_UTF_8|ENC_NA);
proto_tree_add_string_format(tree, hf_decoded_page, warning_msg_tvb, offset, 83,
str, "Decoded Page %u: %s", i+1, str);
}
offset += 83;
}
}
static void
ngap_PacketLossRate_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%.1f%% (%u)", (float)v/10, v);
}
static void
ngap_PacketDelayBudget_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%.1fms (%u)", (float)v/2, v);
}
static void
ngap_TimeUEStayedInCellEnhancedGranularity_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%.1fs", ((float)v)/10);
}
static void
ngap_PeriodicRegistrationUpdateTimer_fmt(char *s, uint32_t v)
{
uint32_t val = v & 0x1f;
switch (v>>5) {
case 0:
snprintf(s, ITEM_LABEL_LENGTH, "%u min (%u)", val * 10, v);
break;
case 1:
default:
snprintf(s, ITEM_LABEL_LENGTH, "%u hr (%u)", val, v);
break;
case 2:
snprintf(s, ITEM_LABEL_LENGTH, "%u hr (%u)", val * 10, v);
break;
case 3:
snprintf(s, ITEM_LABEL_LENGTH, "%u sec (%u)", val * 2, v);
break;
case 4:
snprintf(s, ITEM_LABEL_LENGTH, "%u sec (%u)", val * 30, v);
break;
case 5:
snprintf(s, ITEM_LABEL_LENGTH, "%u min (%u)", val, v);
break;
case 7:
snprintf(s, ITEM_LABEL_LENGTH, "deactivated (%u)", v);
break;
}
}
static void
ngap_ExtendedPacketDelayBudget_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%.2fms (%u)", (float)v/100, v);
}
static void
ngap_Threshold_RSRP_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%ddBm (%u)", (int32_t)v-156, v);
}
static void
ngap_Threshold_RSRQ_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%u)", ((float)v/2)-43, v);
}
static void
ngap_Threshold_SINR_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%u)", ((float)v/2)-23, v);
}
static void
ngap_N6Jitter_fmt(char *s, uint32_t v)
{
snprintf(s, ITEM_LABEL_LENGTH, "%.1fms (%d)", (float)v/2, (int32_t)v);
}
static struct ngap_private_data*
ngap_get_private_data(packet_info *pinfo)
{
struct ngap_private_data *ngap_data = (struct ngap_private_data*)p_get_proto_data(pinfo->pool, pinfo, proto_ngap, 0);
if (!ngap_data) {
ngap_data = wmem_new0(pinfo->pool, struct ngap_private_data);
ngap_data->handover_type_value = -1;
ngap_data->qos_flow_add_info_rel_type = -1;
p_add_proto_data(pinfo->pool, pinfo, proto_ngap, 0, ngap_data);
}
return ngap_data;
}
static GlobalRANNodeID_enum
ngap_get_ranmode_id(address *addr, uint32_t port, packet_info *pinfo)
{
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
GlobalRANNodeID_enum ranmode_id = (GlobalRANNodeID_enum)-1;
if (ngap_data->ngap_conv) {
if (addresses_equal(addr, &ngap_data->ngap_conv->addr_a) && port == ngap_data->ngap_conv->port_a) {
ranmode_id = ngap_data->ngap_conv->ranmode_id_a;
} else if (addresses_equal(addr, &ngap_data->ngap_conv->addr_b) && port == ngap_data->ngap_conv->port_b) {
ranmode_id = ngap_data->ngap_conv->ranmode_id_b;
}
}
return ranmode_id;
}
static bool
ngap_is_nbiot_ue(packet_info *pinfo)
{
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
if (ngap_data->ngap_conv) {
wmem_tree_key_t tree_key[3];
uint32_t *id;
tree_key[0].length = 1;
tree_key[0].key = &ngap_data->ran_ue_ngap_id;
tree_key[1].length = 1;
tree_key[1].key = &pinfo->num;
tree_key[2].length = 0;
tree_key[2].key = NULL;
id = (uint32_t*)wmem_tree_lookup32_array_le(ngap_data->ngap_conv->nbiot_ran_ue_ngap_id, tree_key);
if (id && (*id == ngap_data->ran_ue_ngap_id)) {
return true;
}
}
return false;
}
static const true_false_string ngap_not_updated_updated = {
"Not updated",
"Updated"
};
#include "packet-ngap-fn.c"
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
ngap_ctx_t ngap_ctx;
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
ngap_ctx.message_type = ngap_data->message_type;
ngap_ctx.ProcedureCode = ngap_data->procedure_code;
ngap_ctx.ProtocolIE_ID = ngap_data->protocol_ie_id;
ngap_ctx.ProtocolExtensionID = ngap_data->protocol_extension_id;
return (dissector_try_uint_new(ngap_ies_dissector_table, ngap_data->protocol_ie_id, tvb, pinfo, tree, false, &ngap_ctx)) ? tvb_captured_length(tvb) : 0;
}
/* Currently not used
static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
return (dissector_try_uint(ngap_ies_p1_dissector_table, ngap_data->protocol_ie_id, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
return (dissector_try_uint(ngap_ies_p2_dissector_table, ngap_data->protocol_ie_id, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
*/
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
ngap_ctx_t ngap_ctx;
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
ngap_ctx.message_type = ngap_data->message_type;
ngap_ctx.ProcedureCode = ngap_data->procedure_code;
ngap_ctx.ProtocolIE_ID = ngap_data->protocol_ie_id;
ngap_ctx.ProtocolExtensionID = ngap_data->protocol_extension_id;
return (dissector_try_uint_new(ngap_extension_dissector_table, ngap_data->protocol_extension_id, tvb, pinfo, tree, true, &ngap_ctx)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
return (dissector_try_uint_new(ngap_proc_imsg_dissector_table, ngap_data->procedure_code, tvb, pinfo, tree, true, data)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
return (dissector_try_uint_new(ngap_proc_sout_dissector_table, ngap_data->procedure_code, tvb, pinfo, tree, true, data)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
return (dissector_try_uint_new(ngap_proc_uout_dissector_table, ngap_data->procedure_code, tvb, pinfo, tree, true, data)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_QosFlowAdditionalInfoListRel_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
if (ngap_get_private_data(pinfo)->qos_flow_add_info_rel_type == 0)
return dissect_QosFlowAdditionalInfoListRelCom_PDU(tvb, pinfo, tree, data);
else
return dissect_QosFlowAdditionalInfoListRelRes_PDU(tvb, pinfo, tree, data);
}
static void
ngap_stats_tree_init(stats_tree *st)
{
st_node_packets = stats_tree_create_node(st, st_str_packets, 0, STAT_DT_INT, true);
st_node_packet_types = stats_tree_create_pivot(st, st_str_packet_types, st_node_packets);
}
static tap_packet_status
ngap_stats_tree_packet(stats_tree* st, packet_info* pinfo _U_,
epan_dissect_t* edt _U_ , const void* p, tap_flags_t flags _U_)
{
const struct ngap_tap_t *pi = (const struct ngap_tap_t *) p;
tick_stat_node(st, st_str_packets, 0, false);
stats_tree_tick_pivot(st, st_node_packet_types,
val_to_str(pi->ngap_mtype, mtype_names,
"Unknown packet type (%d)"));
return TAP_PACKET_REDRAW;
}
static void set_stats_message_type(packet_info *pinfo, int type)
{
struct ngap_private_data* priv_data = ngap_get_private_data(pinfo);
priv_data->stats_tap->ngap_mtype = type;
}
static int
dissect_ngap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *ngap_item = NULL;
proto_tree *ngap_tree = NULL;
conversation_t *conversation;
struct ngap_private_data *ngap_data;
struct ngap_tap_t *ngap_info;
/* make entry in the Protocol column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NGAP");
col_clear(pinfo->cinfo, COL_INFO);
ngap_info = wmem_new(pinfo->pool, struct ngap_tap_t);
ngap_info->ngap_mtype = 0; /* unknown/invalid */
/* create the ngap protocol tree */
ngap_item = proto_tree_add_item(tree, proto_ngap, tvb, 0, -1, ENC_NA);
ngap_tree = proto_item_add_subtree(ngap_item, ett_ngap);
/* Store top-level tree */
top_tree = ngap_tree;
/* Add stats tap to private struct */
struct ngap_private_data *priv_data = ngap_get_private_data(pinfo);
priv_data->stats_tap = ngap_info;
ngap_data = ngap_get_private_data(pinfo);
conversation = find_or_create_conversation(pinfo);
ngap_data->ngap_conv = (struct ngap_conv_info *)conversation_get_proto_data(conversation, proto_ngap);
if (!ngap_data->ngap_conv) {
ngap_data->ngap_conv = wmem_new0(wmem_file_scope(), struct ngap_conv_info);
copy_address_wmem(wmem_file_scope(), &ngap_data->ngap_conv->addr_a, &pinfo->src);
ngap_data->ngap_conv->port_a = pinfo->srcport;
ngap_data->ngap_conv->ranmode_id_a = (GlobalRANNodeID_enum)-1;
copy_address_wmem(wmem_file_scope(), &ngap_data->ngap_conv->addr_b, &pinfo->dst);
ngap_data->ngap_conv->port_b = pinfo->destport;
ngap_data->ngap_conv->ranmode_id_b = (GlobalRANNodeID_enum)-1;
ngap_data->ngap_conv->nbiot_ta = wmem_map_new(wmem_file_scope(), wmem_int64_hash, g_int64_equal);
ngap_data->ngap_conv->nbiot_ran_ue_ngap_id = wmem_tree_new(wmem_file_scope());
conversation_add_proto_data(conversation, proto_ngap, ngap_data->ngap_conv);
}
dissect_NGAP_PDU_PDU(tvb, pinfo, ngap_tree, NULL);
tap_queue_packet(ngap_tap, pinfo, ngap_info);
return tvb_captured_length(tvb);
}
static bool
find_n2_info_content(char *json_data, jsmntok_t *token, const char *n2_info_content,
const char *content_id, dissector_handle_t *subdissector)
{
jsmntok_t *n2_info_content_token, *ngap_data_token;
char *str;
double ngap_msg_type;
n2_info_content_token = json_get_object(json_data, token, n2_info_content);
if (!n2_info_content_token)
return false;
ngap_data_token = json_get_object(json_data, n2_info_content_token, "ngapData");
if (!ngap_data_token)
return false;
str = json_get_string(json_data, ngap_data_token, "contentId");
if (!str || strcmp(str, content_id))
return false;
str = json_get_string(json_data, n2_info_content_token, "ngapIeType");
if (str)
*subdissector = dissector_get_string_handle(ngap_n2_ie_type_dissector_table, str);
else if (json_get_double(json_data, n2_info_content_token, "ngapMessageType", &ngap_msg_type))
*subdissector = ngap_handle;
else
*subdissector = NULL;
return true;
}
/* 3GPP TS 29.502 chapter 6.1.6.4.3 and 29.518 chapter 6.1.6.4.3 */
static int
dissect_ngap_media_type(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
int ret;
char *json_data;
const char *n2_info_class;
jsmntok_t *tokens, *cur_tok;
dissector_handle_t subdissector = NULL;
tvbuff_t* json_tvb = (tvbuff_t*)p_get_proto_data(pinfo->pool, pinfo, proto_json, 0);
media_content_info_t *content_info = (media_content_info_t *)data;
if (!json_tvb || !content_info || !content_info->content_id)
return 0;
json_data = tvb_get_string_enc(pinfo->pool, json_tvb, 0, tvb_reported_length(json_tvb), ENC_UTF_8|ENC_NA);
ret = json_parse(json_data, NULL, 0);
if (ret <= 0)
return 0;
tokens = wmem_alloc_array(pinfo->pool, jsmntok_t, ret);
if (json_parse(json_data, tokens, ret) <= 0)
return 0;
cur_tok = json_get_object(json_data, tokens, "n2InfoContainer");
if (!cur_tok) {
/* look for n2Information too*/
cur_tok = json_get_object(json_data, tokens, "n2Information");
}
if (cur_tok) {
n2_info_class = json_get_string(json_data, cur_tok, "n2InformationClass");
if (n2_info_class) {
if (!strcmp(n2_info_class, "SM")) {
cur_tok = json_get_object(json_data, cur_tok, "smInfo");
if (cur_tok && find_n2_info_content(json_data, cur_tok, "n2InfoContent",
content_info->content_id, &subdissector))
goto found;
}
if (!strcmp(n2_info_class, "RAN")) {
cur_tok = json_get_object(json_data, cur_tok, "ranInfo");
if (cur_tok && find_n2_info_content(json_data, cur_tok, "n2InfoContent",
content_info->content_id, &subdissector))
goto found;
}
if (!strcmp(n2_info_class, "NRPPa")) {
cur_tok = json_get_object(json_data, cur_tok, "nrppaInfo");
if (cur_tok && find_n2_info_content(json_data, cur_tok, "nrppaPdu",
content_info->content_id, &subdissector))
goto found;
}
if (!strcmp(n2_info_class, "PWS") ||
!strcmp(n2_info_class, "PWS-BCAL") ||
!strcmp(n2_info_class, "PWS-RF")) {
cur_tok = json_get_object(json_data, cur_tok, "pwsInfo");
if (cur_tok && find_n2_info_content(json_data, cur_tok, "pwsContainer",
content_info->content_id, &subdissector))
goto found;
}
}
}
cur_tok = json_get_object(json_data, tokens, "n2SmInfo");
if (cur_tok) {
const char *content_id_str = json_get_string(json_data, cur_tok, "contentId");
if (content_id_str && !strcmp(content_id_str, content_info->content_id)) {
const char *str = json_get_string(json_data, tokens, "n2SmInfoType");
if (str)
subdissector = dissector_get_string_handle(ngap_n2_ie_type_dissector_table, str);
else
subdissector = NULL;
goto found;
}
}
if (find_n2_info_content(json_data, tokens, "n2MbsSmInfo",
content_info->content_id, &subdissector))
goto found;
cur_tok = json_get_array(json_data, tokens, "pduSessionList");
if (cur_tok) {
int i, count;
count = json_get_array_len(cur_tok);
for (i = 0; i < count; i++) {
jsmntok_t *array_tok = json_get_array_index(cur_tok, i);
if (find_n2_info_content(json_data, array_tok, "n2InfoContent",
content_info->content_id, &subdissector))
goto found;
}
}
if (find_n2_info_content(json_data, tokens, "sourceToTargetData",
content_info->content_id, &subdissector))
goto found;
if (find_n2_info_content(json_data, tokens, "targetToSourceData",
content_info->content_id, &subdissector))
goto found;
if (find_n2_info_content(json_data, tokens, "targetToSourceFailureData",
content_info->content_id, &subdissector))
goto found;
if (find_n2_info_content(json_data, tokens, "ueRadioCapability",
content_info->content_id, &subdissector))
goto found;
found:
if (subdissector) {
proto_item *ngap_item;
proto_tree *ngap_tree;
bool save_writable;
col_append_sep_str(pinfo->cinfo, COL_PROTOCOL, "/", "NGAP");
if (subdissector != ngap_handle) {
ngap_item = proto_tree_add_item(tree, proto_ngap, tvb, 0, -1, ENC_NA);
ngap_tree = proto_item_add_subtree(ngap_item, ett_ngap);
} else {
ngap_tree = tree;
}
save_writable = col_get_writable(pinfo->cinfo, COL_PROTOCOL);
col_set_writable(pinfo->cinfo, COL_PROTOCOL, false);
call_dissector_with_data(subdissector, tvb, pinfo, ngap_tree, NULL);
col_set_writable(pinfo->cinfo, COL_PROTOCOL, save_writable);
return tvb_captured_length(tvb);
} else {
return 0;
}
}
static void
apply_ngap_prefs(void)
{
gbl_ngapSctpRange = prefs_get_range_value("ngap", "sctp.port");
}
/*--- proto_reg_handoff_ngap ---------------------------------------*/
void
proto_reg_handoff_ngap(void)
{
nas_5gs_handle = find_dissector_add_dependency("nas-5gs", proto_ngap);
nr_rrc_ue_radio_paging_info_handle = find_dissector_add_dependency("nr-rrc.ue_radio_paging_info", proto_ngap);
nr_rrc_ue_radio_access_cap_info_handle = find_dissector_add_dependency("nr-rrc.ue_radio_access_cap_info", proto_ngap);
lte_rrc_ue_radio_paging_info_handle = find_dissector_add_dependency("lte-rrc.ue_radio_paging_info", proto_ngap);
lte_rrc_ue_radio_access_cap_info_handle = find_dissector_add_dependency("lte-rrc.ue_radio_access_cap_info", proto_ngap);
lte_rrc_ue_radio_paging_info_nb_handle = find_dissector_add_dependency("lte-rrc.ue_radio_paging_info.nb", proto_ngap);
lte_rrc_ue_radio_access_cap_info_nb_handle = find_dissector_add_dependency("lte-rrc.ue_radio_access_cap_info.nb", proto_ngap);
dissector_add_uint("sctp.ppi", NGAP_PROTOCOL_ID, ngap_handle);
dissector_add_uint("ngap.extension", id_QosFlowAdditionalInfoList, create_dissector_handle(dissect_QosFlowAdditionalInfoListRel_PDU, proto_ngap));
#include "packet-ngap-dis-tab.c"
dissector_add_string("media_type", "application/vnd.3gpp.ngap", ngap_media_type_handle);
nrppa_handle = find_dissector_add_dependency("nrppa", proto_ngap);
proto_json = proto_get_id_by_filter_name("json");
dissector_add_uint_with_preference("sctp.port", SCTP_PORT_NGAP, ngap_handle);
stats_tree_register("ngap", "ngap", "NGAP", 0,
ngap_stats_tree_packet, ngap_stats_tree_init, NULL);
apply_ngap_prefs();
}
/*--- proto_register_ngap -------------------------------------------*/
void proto_register_ngap(void) {
/* List of fields */
static hf_register_info hf[] = {
{ &hf_ngap_transportLayerAddressIPv4,
{ "TransportLayerAddress (IPv4)", "ngap.TransportLayerAddressIPv4",
FT_IPv4, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_ngap_transportLayerAddressIPv6,
{ "TransportLayerAddress (IPv6)", "ngap.TransportLayerAddressIPv6",
FT_IPv6, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_ngap_WarningMessageContents_nb_pages,
{ "Number of Pages", "ngap.WarningMessageContents.nb_pages",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_ngap_SerialNumber_gs,
{ "Geographical Scope", "ngap.SerialNumber.gs",
FT_UINT16, BASE_DEC, VALS(ngap_serialNumber_gs_vals), 0xc000,
NULL, HFILL }},
{ &hf_ngap_SerialNumber_msg_code,
{ "Message Code", "ngap.SerialNumber.msg_code",
FT_UINT16, BASE_DEC, NULL, 0x3ff0,
NULL, HFILL }},
{ &hf_ngap_SerialNumber_upd_nb,
{ "Update Number", "ngap.SerialNumber.upd_nb",
FT_UINT16, BASE_DEC, NULL, 0x000f,
NULL, HFILL }},
{ &hf_ngap_WarningType_value,
{ "Warning Type Value", "ngap.WarningType.value",
FT_UINT16, BASE_DEC, VALS(ngap_warningType_vals), 0xfe00,
NULL, HFILL }},
{ &hf_ngap_WarningType_emergency_user_alert,
{ "Emergency User Alert", "ngap.WarningType.emergency_user_alert",
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0100,
NULL, HFILL }},
{ &hf_ngap_WarningType_popup,
{ "Popup", "ngap.WarningType.popup",
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0080,
NULL, HFILL }},
{ &hf_ngap_WarningMessageContents_decoded_page,
{ "Decoded Page", "ngap.WarningMessageContents.decoded_page",
FT_STRING, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_ngap_NGRANTraceID_TraceID,
{ "TraceID", "ngap.NGRANTraceID.TraceID",
FT_UINT24, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_ngap_NGRANTraceID_TraceRecordingSessionReference,
{ "TraceRecordingSessionReference", "ngap.NGRANTraceID.TraceRecordingSessionReference",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_ngap_InterfacesToTrace_NG_C,
{ "NG-C", "ngap.InterfacesToTrace.NG_C",
FT_BOOLEAN, 8, NULL, 0x80,
NULL, HFILL }},
{ &hf_ngap_InterfacesToTrace_Xn_C,
{ "Xn-C", "ngap.InterfacesToTrace.Xn_C",
FT_BOOLEAN, 8, NULL, 0x40,
NULL, HFILL }},
{ &hf_ngap_InterfacesToTrace_Uu,
{ "Uu", "ngap.InterfacesToTrace.Uu",
FT_BOOLEAN, 8, NULL, 0x20,
NULL, HFILL }},
{ &hf_ngap_InterfacesToTrace_F1_C,
{ "F1-C", "ngap.InterfacesToTrace.F1_C",
FT_BOOLEAN, 8, NULL, 0x10,
NULL, HFILL }},
{ &hf_ngap_InterfacesToTrace_E1,
{ "E1", "ngap.InterfacesToTrace.E1",
FT_BOOLEAN, 8, NULL, 0x08,
NULL, HFILL }},
{ &hf_ngap_InterfacesToTrace_reserved,
{ "Reserved", "ngap.InterfacesToTrace.reserved",
FT_UINT8, BASE_HEX, NULL, 0x07,
NULL, HFILL }},
{ &hf_ngap_RATRestrictionInformation_e_UTRA,
{ "e-UTRA", "ngap.RATRestrictionInformation.e_UTRA",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x80,
NULL, HFILL }},
{ &hf_ngap_RATRestrictionInformation_nR,
{ "nR", "ngap.RATRestrictionInformation.nR",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x40,
NULL, HFILL }},
{ &hf_ngap_RATRestrictionInformation_nR_unlicensed,
{ "nR-unlicensed", "ngap.RATRestrictionInformation.nR_unlicensed",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x20,
NULL, HFILL }},
{ &hf_ngap_RATRestrictionInformation_reserved,
{ "reserved", "ngap.RATRestrictionInformation.reserved",
FT_UINT8, BASE_HEX, NULL, 0x1f,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_e_UTRA,
{ "e-UTRA", "ngap.primaryRATRestriction.e_UTRA",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x80,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_nR,
{ "nR", "ngap.primaryRATRestriction.nR",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x40,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_nR_unlicensed,
{ "nR-unlicensed", "ngap.primaryRATRestriction.nR_unlicensed",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x20,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_nR_LEO,
{ "nR-LEO", "ngap.primaryRATRestriction.nR_LEO",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x10,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_nR_MEO,
{ "nR-MEO", "ngap.primaryRATRestriction.nR_MEO",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x08,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_nR_GEO,
{ "nR-GEO", "ngap.primaryRATRestriction.nR_GEO",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x04,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_nR_OTHERSAT,
{ "nR-OTHERSAT", "ngap.primaryRATRestriction.nR_OTHERSAT",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x02,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_e_UTRA_LEO,
{ "e-UTRA-LEO", "ngap.primaryRATRestriction.e_UTRA_LEO",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x01,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_e_UTRA_MEO,
{ "e-UTRA-MEO", "ngap.primaryRATRestriction.e_UTRA_MEO",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x80,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_e_UTRA_GEO,
{ "e-UTRA-GEO", "ngap.primaryRATRestriction.e_UTRA_GEO",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x40,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_e_UTRA_OTHERSAT,
{ "e-UTRA-OTHERSAT", "ngap.primaryRATRestriction.e_UTRA_LEO",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x20,
NULL, HFILL }},
{ &hf_ngap_primaryRATRestriction_reserved,
{ "reserved", "ngap.primaryRATRestriction.reserved",
FT_UINT8, BASE_HEX, NULL, 0x1f,
NULL, HFILL }},
{ &hf_ngap_secondaryRATRestriction_e_UTRA,
{ "e-UTRA", "ngap.secondaryRATRestriction.e_UTRA",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x80,
NULL, HFILL }},
{ &hf_ngap_secondaryRATRestriction_nR,
{ "nR", "ngap.secondaryRATRestriction.nR",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x40,
NULL, HFILL }},
{ &hf_ngap_secondaryRATRestriction_e_UTRA_unlicensed,
{ "e-UTRA-unlicensed", "ngap.secondaryRATRestriction.e_UTRA_unlicensed",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x20,
NULL, HFILL }},
{ &hf_ngap_secondaryRATRestriction_nR_unlicensed,
{ "nR-unlicensed", "ngap.secondaryRATRestriction.nR_unlicensed",
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x10,
NULL, HFILL }},
{ &hf_ngap_secondaryRATRestriction_reserved,
{ "reserved", "ngap.secondaryRATRestriction.reserved",
FT_UINT8, BASE_HEX, NULL, 0x0f,
NULL, HFILL }},
{ &hf_ngap_NrencryptionAlgorithms_nea1,
{ "128-NEA1", "ngap.NrencryptionAlgorithms.nea1",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
NULL, HFILL }},
{ &hf_ngap_NrencryptionAlgorithms_nea2,
{ "128-NEA2", "ngap.NrencryptionAlgorithms.nea2",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
NULL, HFILL }},
{ &hf_ngap_NrencryptionAlgorithms_nea3,
{ "128-NEA3", "ngap.NrencryptionAlgorithms.nea3",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
NULL, HFILL }},
{ &hf_ngap_NrencryptionAlgorithms_reserved,
{ "Reserved", "ngap.NrencryptionAlgorithms.reserved",
FT_UINT16, BASE_HEX, NULL, 0x1fff,
NULL, HFILL }},
{ &hf_ngap_NrintegrityProtectionAlgorithms_nia1,
{ "128-NIA1", "ngap.NrintegrityProtectionAlgorithms.nia1",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
NULL, HFILL }},
{ &hf_ngap_NrintegrityProtectionAlgorithms_nia2,
{ "128-NIA2", "ngap.NrintegrityProtectionAlgorithms.nia2",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
NULL, HFILL }},
{ &hf_ngap_NrintegrityProtectionAlgorithms_nia3,
{ "128-NIA3", "ngap.NrintegrityProtectionAlgorithms.nia3",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
NULL, HFILL }},
{ &hf_ngap_NrintegrityProtectionAlgorithms_reserved,
{ "Reserved", "ngap.NrintegrityProtectionAlgorithms.reserved",
FT_UINT16, BASE_HEX, NULL, 0x1fff,
NULL, HFILL }},
{ &hf_ngap_EUTRAencryptionAlgorithms_eea1,
{ "128-EEA1", "ngap.EUTRAencryptionAlgorithms.eea1",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
NULL, HFILL }},
{ &hf_ngap_EUTRAencryptionAlgorithms_eea2,
{ "128-EEA2", "ngap.EUTRAencryptionAlgorithms.eea2",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
NULL, HFILL }},
{ &hf_ngap_EUTRAencryptionAlgorithms_eea3,
{ "128-EEA3", "ngap.EUTRAencryptionAlgorithms.eea3",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
NULL, HFILL }},
{ &hf_ngap_EUTRAencryptionAlgorithms_reserved,
{ "Reserved", "ngap.EUTRAencryptionAlgorithms.reserved",
FT_UINT16, BASE_HEX, NULL, 0x1fff,
NULL, HFILL }},
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_eia1,
{ "128-EIA1", "ngap.EUTRAintegrityProtectionAlgorithms.eia1",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
NULL, HFILL }},
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_eia2,
{ "128-EIA2", "ngap.EUTRAintegrityProtectionAlgorithms.eia2",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
NULL, HFILL }},
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_eia3,
{ "128-EIA3", "ngap.EUTRAintegrityProtectionAlgorithms.eia3",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
NULL, HFILL }},
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_eia7,
{ "EIA7", "ngap.EUTRAintegrityProtectionAlgorithms.eia7",
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0200,
NULL, HFILL }},
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_reserved,
{ "Reserved", "ngap.EUTRAintegrityProtectionAlgorithms.reserved",
FT_UINT16, BASE_HEX, NULL, 0x1dff,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_M1,
{ "M1", "ngap.MeasurementsToActivate.M1",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x80,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_M2,
{ "M2", "ngap.MeasurementsToActivate.M2",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x40,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_M4,
{ "M4", "ngap.MeasurementsToActivate.M4",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x20,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_M5,
{ "M5", "ngap.MeasurementsToActivate.M5",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x10,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_M6,
{ "M6", "ngap.MeasurementsToActivate.M6",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x08,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_M7,
{ "M7", "ngap.MeasurementsToActivate.M7",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x04,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_M1_from_event,
{ "M1 from event", "ngap.MeasurementsToActivate.M1_from_event",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x02,
NULL, HFILL }},
{ &hf_ngap_MeasurementsToActivate_reserved,
{ "Reserved", "ngap.MeasurementsToActivate.reserved",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }},
{ &hf_ngap_MDT_Location_Information_GNSS,
{ "GNSS", "ngap.MDT_Location_Information.GNSS",
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x80,
NULL, HFILL }},
{ &hf_ngap_MDT_Location_Information_reserved,
{ "Reserved", "ngap.MDT_Location_Information.reserved",
FT_UINT8, BASE_HEX, NULL, 0x7f,
NULL, HFILL }},
{ &hf_ngap_GlobalCable_ID_str,
{ "GlobalCable-ID", "ngap.GlobalCable_ID.str",
FT_STRING, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_ngap_UpdateFeedback_CN_PDB_DL,
{ "CN PDB DL", "ngap.UpdateFeedback.CN_PDB_DL",
FT_BOOLEAN, 8, TFS(&ngap_not_updated_updated), 0x80,
NULL, HFILL }},
{ &hf_ngap_UpdateFeedback_CN_PDB_UL,
{ "CN PDB UL", "ngap.UpdateFeedback.CN_PDB_UL",
FT_BOOLEAN, 8, TFS(&ngap_not_updated_updated), 0x40,
NULL, HFILL }},
{ &hf_ngap_UpdateFeedback_reserved,
{ "Reserved", "ngap.UpdateFeedback.reserved",
FT_UINT8, BASE_HEX, NULL, 0x3f,
NULL, HFILL }},
#include "packet-ngap-hfarr.c"
};
/* List of subtrees */
static int *ett[] = {
&ett_ngap,
&ett_ngap_TransportLayerAddress,
&ett_ngap_DataCodingScheme,
&ett_ngap_SerialNumber,
&ett_ngap_WarningType,
&ett_ngap_WarningMessageContents,
&ett_ngap_PLMNIdentity,
&ett_ngap_NGAP_Message,
&ett_ngap_NGRANTraceID,
&ett_ngap_InterfacesToTrace,
&ett_ngap_SourceToTarget_TransparentContainer,
&ett_ngap_TargetToSource_TransparentContainer,
&ett_ngap_RRCContainer,
&ett_ngap_RATRestrictionInformation,
&ett_ngap_primaryRATRestriction,
&ett_ngap_secondaryRATRestriction,
&ett_ngap_NrencryptionAlgorithms,
&ett_ngap_NrintegrityProtectionAlgorithms,
&ett_ngap_EUTRAencryptionAlgorithms,
&ett_ngap_EUTRAintegrityProtectionAlgorithms,
&ett_ngap_UERadioCapabilityForPagingOfNR,
&ett_ngap_UERadioCapabilityForPagingOfEUTRA,
&ett_ngap_UERadioCapability,
&ett_ngap_LastVisitedEUTRANCellInformation,
&ett_ngap_LastVisitedUTRANCellInformation,
&ett_ngap_LastVisitedGERANCellInformation,
&ett_ngap_NASSecurityParametersFromNGRAN,
&ett_ngap_NASC,
&ett_ngap_NAS_PDU,
&ett_ngap_EN_DCSONConfigurationTransfer,
&ett_ngap_BurstArrivalTime,
&ett_ngap_CoverageEnhancementLevel,
&ett_ngap_MDTModeEutra,
&ett_ngap_MeasurementsToActivate,
&ett_ngap_MDT_Location_Information,
&ett_ngap_NRMobilityHistoryReport,
&ett_ngap_LTEUERLFReportContainer,
&ett_ngap_NRUERLFReportContainer,
&ett_ngap_TargettoSource_Failure_TransparentContainer,
&ett_ngap_UERadioCapabilityForPagingOfNB_IoT,
&ett_ngap_GlobalCable_ID,
&ett_ngap_UpdateFeedback,
&ett_ngap_successfulHOReportContainer,
&ett_ngap_successfulPSCellChangeReportContainer,
#include "packet-ngap-ettarr.c"
};
static ei_register_info ei[] = {
{ &ei_ngap_number_pages_le15, { "ngap.number_pages_le15", PI_MALFORMED, PI_ERROR, "Number of pages should be <=15", EXPFILL }}
};
module_t *ngap_module;
expert_module_t* expert_ngap;
/* Register protocol */
proto_ngap = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_ngap, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_ngap = expert_register_protocol(proto_ngap);
expert_register_field_array(expert_ngap, ei, array_length(ei));
/* Register dissector */
ngap_handle = register_dissector("ngap", dissect_ngap, proto_ngap);
ngap_media_type_handle = register_dissector("ngap_media_type", dissect_ngap_media_type, proto_ngap);
/* Register dissector tables */
ngap_ies_dissector_table = register_dissector_table("ngap.ies", "NGAP-PROTOCOL-IES", proto_ngap, FT_UINT32, BASE_DEC);
ngap_ies_p1_dissector_table = register_dissector_table("ngap.ies.pair.first", "NGAP-PROTOCOL-IES-PAIR FirstValue", proto_ngap, FT_UINT32, BASE_DEC);
ngap_ies_p2_dissector_table = register_dissector_table("ngap.ies.pair.second", "NGAP-PROTOCOL-IES-PAIR SecondValue", proto_ngap, FT_UINT32, BASE_DEC);
ngap_extension_dissector_table = register_dissector_table("ngap.extension", "NGAP-PROTOCOL-EXTENSION", proto_ngap, FT_UINT32, BASE_DEC);
ngap_proc_imsg_dissector_table = register_dissector_table("ngap.proc.imsg", "NGAP-ELEMENTARY-PROCEDURE InitiatingMessage", proto_ngap, FT_UINT32, BASE_DEC);
ngap_proc_sout_dissector_table = register_dissector_table("ngap.proc.sout", "NGAP-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_ngap, FT_UINT32, BASE_DEC);
ngap_proc_uout_dissector_table = register_dissector_table("ngap.proc.uout", "NGAP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_ngap, FT_UINT32, BASE_DEC);
ngap_n2_ie_type_dissector_table = register_dissector_table("ngap.n2_ie_type", "NGAP N2 IE Type", proto_ngap, FT_STRING, STRING_CASE_SENSITIVE);
/* Register configuration options for ports */
ngap_module = prefs_register_protocol(proto_ngap, apply_ngap_prefs);
prefs_register_bool_preference(ngap_module, "dissect_container",
"Dissect TransparentContainer",
"Dissect TransparentContainers that are opaque to NGAP",
&ngap_dissect_container);
prefs_register_enum_preference(ngap_module, "dissect_target_ng_ran_container_as",
"Dissect target NG-RAN container as",
"Select whether target NG-RAN container should be decoded automatically"
" (based on NG Setup procedure) or manually",
&ngap_dissect_target_ng_ran_container_as, ngap_target_ng_ran_container_vals, false);
prefs_register_enum_preference(ngap_module, "dissect_lte_container_as", "Dissect LTE container as",
"Select whether LTE container should be dissected as NB-IOT or legacy LTE",
&ngap_dissect_lte_container_as, ngap_lte_container_vals, false);
ngap_tap = register_tap("ngap");
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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