/* packet-ngap.c * Routines for NG-RAN NG Application Protocol (NGAP) packet dissection * Copyright 2018, Anders Broman * Copyright 2018-2024, Pascal Quantin * * Wireshark - Network traffic analyzer * By Gerald Combs * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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: */