/*

 * Author: Henri Chataing <henrichataing@google.com>

 * Copyright 2022 Google LLC

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * SPDX-License-Identifier: GPL-2.0-or-later

 * Specification: Fira Consortium UWB Command Interface Generic Technical

 *                Specification v1.1.0

 */

#include <config.h>

#include <epan/packet.h>

#include <epan/proto.h>

#include <epan/conversation.h>

#include <epan/proto_data.h>

#include "packet-tcp.h"

#include <wiretap/wtap.h>

void proto_reg_handoff_uci(void);

void proto_register_uci(void);

#define UCI_PACKET_HEADER_LEN 4

#define UCI_MT_COMMAND 0x01

#define UCI_MT_RESPONSE 0x02

#define UCI_MT_NOTIFICATION 0x03

#define UCI_GID_CORE 0x00

#define UCI_GID_SESSION_CONFIG 0x01

#define UCI_GID_RANGING_SESSION_CONTROL 0x02

#define UCI_GID_DATA_CONTROL 0x03

#define UCI_GID_TEST 0x0d

#define UCI_GID_VENDOR_PICA 0x09

#define UCI_GID_VENDOR_RESERVED_A 0x0a

#define UCI_GID_VENDOR_RESERVED_B 0x0b

#define UCI_GID_VENDOR_RESERVED_C 0x0c

#define UCI_GID_VENDOR_ANDROID 0x0e

#define UCI_GID_VENDOR_RESERVED_F 0x0f

#define UCI_OID_CORE_DEVICE_RESET 0x00

#define UCI_OID_CORE_DEVICE_STATUS_NTF 0x01

#define UCI_OID_CORE_GET_DEVICE_INFO 0x02

#define UCI_OID_CORE_GET_CAPS_INFO 0x03

#define UCI_OID_CORE_SET_CONFIG 0x04

#define UCI_OID_CORE_GET_CONFIG 0x05

#define UCI_OID_CORE_GENERIC_ERROR_NTF 0x07

#define UCI_OID_SESSION_INIT 0x00

#define UCI_OID_SESSION_DEINIT 0x01

#define UCI_OID_SESSION_STATUS_NTF 0x02

#define UCI_OID_SESSION_SET_APP_CONFIG 0x03

#define UCI_OID_SESSION_GET_APP_CONFIG 0x04

#define UCI_OID_SESSION_GET_COUNT 0x05

#define UCI_OID_SESSION_GET_STATE 0x06

#define UCI_OID_SESSION_UPDATE_CONTROLLER_MULTICAST_LIST 0x07

#define UCI_OID_RANGE_START 0x00

#define UCI_OID_RANGE_DATA 0x00

#define UCI_OID_RANGE_STOP 0x01

#define UCI_OID_RANGE_GET_RANGING_COUNT 0x03

#define UCI_STATUS_OK 0x00

#define UCI_STATUS_REJECTED 0x01

#define UCI_STATUS_FAILED 0x02

#define UCI_STATUS_SYNTAX_ERROR 0x03

#define UCI_STATUS_INVALID_PARAM 0x04

#define UCI_STATUS_INVALID_RANGE 0x05

#define UCI_STATUS_INVALID_MSG_SIZE 0x06

#define UCI_STATUS_UNKNOWN_GID 0x07

#define UCI_STATUS_UNKNOWN_OID 0x08

#define UCI_STATUS_READ_ONLY 0x09

#define UCI_STATUS_COMMAND_RETRY 0x0A

#define UCI_STATUS_SESSSION_NOT_EXIST 0x11

#define UCI_STATUS_SESSSION_DUPLICATE 0x12

#define UCI_STATUS_SESSSION_ACTIVE 0x13

#define UCI_STATUS_MAX_SESSSIONS_EXCEEDED 0x14

#define UCI_STATUS_SESSION_NOT_CONFIGURED 0x15

#define UCI_STATUS_ERROR_ACTIVE_SESSIONS_ONGOING 0x16

#define UCI_STATUS_ERROR_MULTICAST_LIST_FULL 0x17

#define UCI_STATUS_ERROR_ADDRESS_NOT_FOUND 0x18

#define UCI_STATUS_ERROR_ADDRESS_ALREADY_PRESENT 0x19

#define UCI_STATUS_RANGING_TX_FAILED 0x20

#define UCI_STATUS_RANGING_RX_TIMEOUT 0x21

#define UCI_STATUS_RANGING_RX_PHY_DEC_FAILED 0x22

#define UCI_STATUS_RANGING_RX_PHY_TOA_FAILED 0x23

#define UCI_STATUS_RANGING_RX_PHY_STS_FAILED 0x24

#define UCI_STATUS_RANGING_RX_MAC_DEC_FAILED 0x25

#define UCI_STATUS_RANGING_RX_MAC_IE_DEC_FAILED 0x26

#define UCI_STATUS_RANGING_RX_MAC_IE_MISSING 0x27

#define UCI_CAP_SUPPORTED_FIRA_PHY_VERSION_RANGE 0x0

#define UCI_CAP_SUPPORTED_FIRA_MAC_VERSION_RANGE 0x1

#define UCI_CAP_SUPPORTED_DEVICE_ROLES 0x2

#define UCI_CAP_SUPPORTED_RANGING_METHOD 0x3

#define UCI_CAP_SUPPORTED_STS_CONFIG 0x4

#define UCI_CAP_SUPPORTED_MULTI_NODE_MODES 0x5

#define UCI_CAP_SUPPORTED_RANGING_TIME_STRUCT 0x6

#define UCI_CAP_SUPPORTED_SCHEDULED_MODE 0x7

#define UCI_CAP_SUPPORTED_HOPPING_MODE 0x8

#define UCI_CAP_SUPPORTED_BLOCK_STRIDING 0x9

#define UCI_CAP_SUPPORTED_UWB_INITIATION_TIME 0x0A

#define UCI_CAP_SUPPORTED_CHANNELS 0x0B

#define UCI_CAP_SUPPORTED_RFRAME_CONFIG 0x0C

#define UCI_CAP_SUPPORTED_CC_CONSTRAINT_LENGTH 0x0D

#define UCI_CAP_SUPPORTED_BPRF_PARAMETER_SETS 0x0E

#define UCI_CAP_SUPPORTED_HPRF_PARAMETER_SETS 0x0F

#define UCI_CAP_SUPPORTED_AOA 0x10

#define UCI_CAP_SUPPORTED_EXTENDED_MAC_ADDRESS 0x11

#define UCI_CAP_SUPPORTED_AOA_RESULT_REQ_ANTENNA_INTERLEAVING 0xE3

#define UCI_CAP_CCC_SUPPORTED_CHAPS_PER_SLOT 0xA0

#define UCI_CAP_CCC_SUPPORTED_SYNC_CODES 0xA1

#define UCI_CAP_CCC_SUPPORTED_HOPPING_CONFIG_MODES_AND_SEQUENCES 0xA2

#define UCI_CAP_CCC_SUPPORTED_CHANNELS 0xA3

#define UCI_CAP_CCC_SUPPORTED_VERSIONS 0xA4

#define UCI_CAP_CCC_SUPPORTED_UWB_CONFIGS 0xA5

#define UCI_CAP_CCC_SUPPORTED_PULSE_SHAPE_COMBOS 0xA6

#define UCI_CAP_CCC_SUPPORTED_RAN_MULTIPLIER 0xA7

#define UCI_APP_CONFIG_DEVICE_TYPE 0x00

#define UCI_APP_CONFIG_RANGING_ROUND_USAGE 0x01

#define UCI_APP_CONFIG_STS_CONFIG 0x02

#define UCI_APP_CONFIG_MULTI_NODE_MODE 0x03

#define UCI_APP_CONFIG_CHANNEL_NUMBER 0x04

#define UCI_APP_CONFIG_NO_OF_CONTROLEE 0x05

#define UCI_APP_CONFIG_DEVICE_MAC_ADDRESS 0x06

#define UCI_APP_CONFIG_DST_MAC_ADDRESS 0x07

#define UCI_APP_CONFIG_SLOT_DURATION 0x08

#define UCI_APP_CONFIG_RANGING_INTERVAL 0x09

#define UCI_APP_CONFIG_STS_INDEX 0x0A

#define UCI_APP_CONFIG_MAC_FCS_TYPE 0x0B

#define UCI_APP_CONFIG_RANGING_ROUND_CONTROL 0x0C

#define UCI_APP_CONFIG_AOA_RESULT_REQ 0x0D

#define UCI_APP_CONFIG_RNG_DATA_NTF 0x0E

#define UCI_APP_CONFIG_RNG_DATA_NTF_PROXIMITY_NEAR 0x0F

#define UCI_APP_CONFIG_RNG_DATA_NTF_PROXIMITY_FAR 0x10

#define UCI_APP_CONFIG_DEVICE_ROLE 0x11

#define UCI_APP_CONFIG_RFRAME_CONFIG 0x12

#define UCI_APP_CONFIG_PREAMBLE_CODE_INDEX 0x14

#define UCI_APP_CONFIG_SFD_ID 0x15

#define UCI_APP_CONFIG_PSDU_DATA_RATE 0x16

#define UCI_APP_CONFIG_PREAMBLE_DURATION 0x17

#define UCI_APP_CONFIG_RANGING_TIME_STRUCT 0x1A

#define UCI_APP_CONFIG_SLOTS_PER_RR 0x1B

#define UCI_APP_CONFIG_TX_ADAPTIVE_PAYLOAD_POWER 0x1C

#define UCI_APP_CONFIG_RESPONDER_SLOT_INDEX 0x1E

#define UCI_APP_CONFIG_PRF_MODE 0x1F

#define UCI_APP_CONFIG_SCHEDULED_MODE 0x22

#define UCI_APP_CONFIG_KEY_ROTATION 0x23

#define UCI_APP_CONFIG_KEY_ROTATION_RATE 0x24

#define UCI_APP_CONFIG_SESSION_PRIORITY 0x25

#define UCI_APP_CONFIG_MAC_ADDRESS_MODE 0x26

#define UCI_APP_CONFIG_VENDOR_ID 0x27

#define UCI_APP_CONFIG_STATIC_STS_IV 0x28

#define UCI_APP_CONFIG_NUMBER_OF_STS_SEGMENTS 0x29

#define UCI_APP_CONFIG_MAX_RR_RETRY 0x2A

#define UCI_APP_CONFIG_UWB_INITIATION_TIME 0x2B

#define UCI_APP_CONFIG_HOPPING_MODE 0x2C

#define UCI_APP_CONFIG_BLOCK_STRIDE_LENGTH 0x2D

#define UCI_APP_CONFIG_RESULT_REPORT_CONFIG 0x2E

#define UCI_APP_CONFIG_IN_BAND_TERMINATION_ATTEMPT_COUNT 0x2F

#define UCI_APP_CONFIG_SUB_SESSION_ID 0x30

#define UCI_APP_CONFIG_BPRF_PHR_DATA_RATE 0x31

#define UCI_APP_CONFIG_MAX_NUMBER_OF_MEASUREMENTS 0x32

#define UCI_APP_CONFIG_STS_LENGTH 0x35

#define UCI_APP_CONFIG_CCC_HOP_MODE_KEY 0xA0

#define UCI_APP_CONFIG_CCC_UWB_TIME0 0xA1

#define UCI_APP_CONFIG_CCC_RANGING_PROTOCOL_VER 0xA3

#define UCI_APP_CONFIG_CCC_UWB_CONFIG_ID 0xA4

#define UCI_APP_CONFIG_CCC_PULSESHAPE_COMBO 0xA5

#define UCI_APP_CONFIG_CCC_URSK_TTL 0xA6

#define UCI_APP_CONFIG_NB_OF_RANGE_MEASUREMENTS 0xE3

#define UCI_APP_CONFIG_NB_OF_AZIMUTH_MEASUREMENTS 0xE4

#define UCI_APP_CONFIG_NB_OF_ELEVATION_MEASUREMENTS 0xE5

static bool gPREF_TCP_DESEGMENT = true;

static unsigned gPREF_TCP_PORT = 7000;

static int proto_uci;

static dissector_handle_t handle_uci;

static int hf_uci_message_type;

static int hf_uci_packet_boundary_flag;

static int hf_uci_group_id;

static int hf_uci_opcode_id;

static int hf_uci_payload_length;

static int hf_uci_status;

static int hf_uci_reset_config;

static int hf_uci_device_state;

static int hf_uci_generic_version;

static int hf_uci_version_major;

static int hf_uci_version_minor;

static int hf_uci_maintenance_number;

static int hf_uci_mac_version;

static int hf_uci_phy_version;

static int hf_uci_test_version;

static int hf_uci_vendor_specific_information_length;

static int hf_uci_vendor_specific_information;

static int hf_uci_capability_parameters_count;

static int hf_uci_capability_parameter_type;

static int hf_uci_capability_parameter_len;

static int hf_uci_capability_parameter_value;

static int hf_uci_parameters_count;

static int hf_uci_parameter_type;

static int hf_uci_parameter_len;

static int hf_uci_parameter_value;

static int hf_uci_parameter_status;

static int hf_uci_session_id;

static int hf_uci_session_type;

static int hf_uci_session_state;

static int hf_uci_session_count;

static int hf_uci_app_config_parameters_count;

static int hf_uci_app_config_parameter_type;

static int hf_uci_app_config_parameter_len;

static int hf_uci_app_config_parameter_value;

static int hf_uci_app_config_parameter_status;

static int hf_uci_update_controller_multicast_list_action;

static int hf_uci_controlees_count;

static int hf_uci_controlee_short_address;

static int hf_uci_controlee_subsession_id;

static int hf_uci_controlee_status;

static int hf_uci_remaining_multicast_list_size;

static int hf_uci_ranging_count;

static int hf_uci_sequence_number;

static int hf_uci_current_ranging_interval;

static int hf_uci_ranging_measurement_type;

static int hf_uci_mac_addressing_mode_indicator;

static int hf_uci_ranging_measurement_count;

static int hf_uci_mac_address;

static int hf_uci_nlos;

static int hf_uci_distance;

static int hf_uci_aoa_azimuth;

static int hf_uci_aoa_azimuth_fom;

static int hf_uci_aoa_elevation;

static int hf_uci_aoa_elevation_fom;

static int hf_uci_aoa_destination_azimuth;

static int hf_uci_aoa_destination_azimuth_fom;

static int hf_uci_aoa_destination_elevation;

static int hf_uci_aoa_destination_elevation_fom;

static int hf_uci_slot_index;

static int ett_uci;

static int ett_uci_header;

static int ett_uci_payload;

static int ett_uci_capability_parameters;

static int ett_uci_capability_parameter;

static int ett_uci_parameters;

static int ett_uci_parameter;

static int ett_uci_app_config_parameters;

static int ett_uci_app_config_parameter;

static int ett_uci_controlee_list;

static int ett_uci_controlee;

static int ett_uci_ranging_measurements;

static int ett_uci_ranging_measurement;

static const value_string message_type_vals[] = {

    { UCI_MT_COMMAND, "Command" },

    { UCI_MT_RESPONSE, "Response" },

    { UCI_MT_NOTIFICATION, "Notification" },

    { 0, NULL },

};

static const value_string packet_boundary_flag_vals[] = {

    { 0, "The packet contains a complete message, or the Packet contains the "

         "last segment of the segmented message" },

    { 1, "The Packet contains a segment of a Message that is not the last segment" },

    { 0, NULL },

};

static const value_string group_id_vals[] = {

    { UCI_GID_CORE, "Core" },

    { UCI_GID_SESSION_CONFIG, "Session Config" },

    { UCI_GID_RANGING_SESSION_CONTROL, "Ranging Session Control" },

    { UCI_GID_DATA_CONTROL, "Data Control" },

    { UCI_GID_VENDOR_PICA, "Vendor Pica" },

    { UCI_GID_VENDOR_RESERVED_A, "Vendor Reserved A" },

    { UCI_GID_VENDOR_RESERVED_B, "Vendor Reserved B" },

    { UCI_GID_VENDOR_RESERVED_C, "Vendor Reserved C" },

    { UCI_GID_TEST, "Test" },

    { UCI_GID_VENDOR_ANDROID, "Vendor Android" },

    { UCI_GID_VENDOR_RESERVED_F, "Vendor Reserved F" },

    { 0, NULL },

};

static const value_string status_vals[] = {

    { UCI_STATUS_OK, "OK Success" },

    { UCI_STATUS_REJECTED, "Intended operation is not supported in the current state" },

    { UCI_STATUS_FAILED, "Intended operation failed to complete" },

    { UCI_STATUS_SYNTAX_ERROR, "UCI packet structure is not per spec" },

    { UCI_STATUS_INVALID_PARAM, "Config ID is not correct, and it is not present in UWBS" },

    { UCI_STATUS_INVALID_RANGE, "Config ID is correct, and value is not in proper range" },

    { UCI_STATUS_INVALID_MSG_SIZE, "UCI packet payload size is not as per spec" },

    { UCI_STATUS_UNKNOWN_GID, "UCI Group ID is not per spec" },

    { UCI_STATUS_UNKNOWN_OID, "UCI Opcode ID is not per spec" },

    { UCI_STATUS_READ_ONLY, "Config ID is read-only" },

    { UCI_STATUS_COMMAND_RETRY, "UWBS request retransmission from Host" },

    { UCI_STATUS_SESSSION_NOT_EXIST, "Session is not existing or not created" },

    { UCI_STATUS_SESSSION_DUPLICATE, "Session is already created/exist" },

    { UCI_STATUS_SESSSION_ACTIVE, "Session is active" },

    { UCI_STATUS_MAX_SESSSIONS_EXCEEDED, "Max. number of sessions already created" },

    { UCI_STATUS_SESSION_NOT_CONFIGURED, "Session is not configured with required app configurations" },

    { UCI_STATUS_ERROR_ACTIVE_SESSIONS_ONGOING, "Sessions are actively running in UWBS" },

    { UCI_STATUS_ERROR_MULTICAST_LIST_FULL, "Indicates when multicast list is full during one to many ranging" },

    { UCI_STATUS_ERROR_ADDRESS_NOT_FOUND, "Indicates when short address is not available multicast list" },

    { UCI_STATUS_ERROR_ADDRESS_ALREADY_PRESENT, "Indicates when short address is already present" },

    { UCI_STATUS_RANGING_TX_FAILED, "Failed to transmit UWB packet" },

    { UCI_STATUS_RANGING_RX_TIMEOUT, "No UWB packet detected by the receiver" },

    { UCI_STATUS_RANGING_RX_PHY_DEC_FAILED, "UWB packet channel decoding error" },

    { UCI_STATUS_RANGING_RX_PHY_TOA_FAILED, "Failed to detect time of arrival of the UWB packet from CIR samples" },

    { UCI_STATUS_RANGING_RX_PHY_STS_FAILED, "UWB packet STS segment mismatch" },

    { UCI_STATUS_RANGING_RX_MAC_DEC_FAILED, "MAC CRC or syntax error" },

    { UCI_STATUS_RANGING_RX_MAC_IE_DEC_FAILED, "IE syntax error" },

    { UCI_STATUS_RANGING_RX_MAC_IE_MISSING, "Expected IE missing in the packet" },

    { 0, NULL },

};

static const value_string reset_config_vals[] = {

    { 0, "UWBS reset" },

    { 0, NULL },

};

static const value_string device_state_vals[] = {

    { 1, "UWBS is initialized and ready for UWB session" },

    { 2, "UWBS is busy with UWB session" },

    { 0xff, "Error occurred within the UWBS" },

    { 0, NULL },

};

static const value_string capability_parameter_type_vals[] = {

    { UCI_CAP_SUPPORTED_FIRA_PHY_VERSION_RANGE, "Supported Fira PHY version range" },

    { UCI_CAP_SUPPORTED_FIRA_MAC_VERSION_RANGE, "Supported Fira MAC version range" },

    { UCI_CAP_SUPPORTED_DEVICE_ROLES, "Supported device roles" },

    { UCI_CAP_SUPPORTED_RANGING_METHOD, "Supported ranging method" },

    { UCI_CAP_SUPPORTED_STS_CONFIG, "Supported STS config" },

    { UCI_CAP_SUPPORTED_MULTI_NODE_MODES, "Supported multi node modes" },

    { UCI_CAP_SUPPORTED_RANGING_TIME_STRUCT, "Supported ranging time struct" },

    { UCI_CAP_SUPPORTED_SCHEDULED_MODE, "Supported scheduled mode" },

    { UCI_CAP_SUPPORTED_HOPPING_MODE, "Supported hopping mode" },

    { UCI_CAP_SUPPORTED_BLOCK_STRIDING, "Supported block striding" },

    { UCI_CAP_SUPPORTED_UWB_INITIATION_TIME, "Supported UWB initiation time" },

    { UCI_CAP_SUPPORTED_CHANNELS, "Supported channels" },

    { UCI_CAP_SUPPORTED_RFRAME_CONFIG, "Supported rframe config" },

    { UCI_CAP_SUPPORTED_CC_CONSTRAINT_LENGTH, "Supported CC constraint length" },

    { UCI_CAP_SUPPORTED_BPRF_PARAMETER_SETS, "Supported BPRF parameter sets" },

    { UCI_CAP_SUPPORTED_HPRF_PARAMETER_SETS, "Supported HPRF parameter sets" },

    { UCI_CAP_SUPPORTED_AOA, "Supported AOA" },

    { UCI_CAP_SUPPORTED_EXTENDED_MAC_ADDRESS, "Supported extended MAC address" },

    { UCI_CAP_SUPPORTED_AOA_RESULT_REQ_ANTENNA_INTERLEAVING, "Supported AOA result req antenna interleaving" },

    { UCI_CAP_CCC_SUPPORTED_CHAPS_PER_SLOT, "Supported CCC chaps per slot" },

    { UCI_CAP_CCC_SUPPORTED_SYNC_CODES, "Supported CCC sync codes" },

    { UCI_CAP_CCC_SUPPORTED_HOPPING_CONFIG_MODES_AND_SEQUENCES, "Supported CCC hopping config modes and sequences" },

    { UCI_CAP_CCC_SUPPORTED_CHANNELS, "Supported CCC channels" },

    { UCI_CAP_CCC_SUPPORTED_VERSIONS, "Supported CCC versions" },

    { UCI_CAP_CCC_SUPPORTED_UWB_CONFIGS, "Supported CCC UWB configs" },

    { UCI_CAP_CCC_SUPPORTED_PULSE_SHAPE_COMBOS, "Supported CCC pulse shape combos" },

    { UCI_CAP_CCC_SUPPORTED_RAN_MULTIPLIER, "Supported CCC ran multiplier" },

    { 0, NULL },

};

static const value_string parameter_type_vals[] = {

    { 0, "Device State" },

    { 1, "Low Power Mode" },

    { 0, NULL },

};

static const value_string session_type_vals[] = {

    { 0x00, "Fira Ranging Session" },

    { 0xD0, "Device Test Mode" },

    { 0, NULL },

};

static const value_string session_state_vals[] = {

    { 0, "Session State Init" },

    { 1, "Session State Deinit" },

    { 2, "Session State Active" },

    { 3, "Session State Idle" },

    { 0, NULL },

};

static const value_string app_config_parameter_type_vals[] = {

    { UCI_APP_CONFIG_DEVICE_TYPE, "Device type" },

    { UCI_APP_CONFIG_RANGING_ROUND_USAGE, "Ranging round usage" },

    { UCI_APP_CONFIG_STS_CONFIG, "STS config" },

    { UCI_APP_CONFIG_MULTI_NODE_MODE, "Multi-node mode" },

    { UCI_APP_CONFIG_CHANNEL_NUMBER, "Channel number" },

    { UCI_APP_CONFIG_NO_OF_CONTROLEE, "No of controlee" },

    { UCI_APP_CONFIG_DEVICE_MAC_ADDRESS, "Device mac address" },

    { UCI_APP_CONFIG_DST_MAC_ADDRESS, "Dst mac address" },

    { UCI_APP_CONFIG_SLOT_DURATION, "Slot duration" },

    { UCI_APP_CONFIG_RANGING_INTERVAL, "Ranging interval" },

    { UCI_APP_CONFIG_STS_INDEX, "STS index" },

    { UCI_APP_CONFIG_MAC_FCS_TYPE, "Mac FCS type" },

    { UCI_APP_CONFIG_RANGING_ROUND_CONTROL, "Ranging round control" },

    { UCI_APP_CONFIG_AOA_RESULT_REQ, "AOA result req" },

    { UCI_APP_CONFIG_RNG_DATA_NTF, "Rng data ntf" },

    { UCI_APP_CONFIG_RNG_DATA_NTF_PROXIMITY_NEAR, "Rng data ntf proximity near" },

    { UCI_APP_CONFIG_RNG_DATA_NTF_PROXIMITY_FAR, "Rng data ntf proximity far" },

    { UCI_APP_CONFIG_DEVICE_ROLE, "Device role" },

    { UCI_APP_CONFIG_RFRAME_CONFIG, "Rframe config" },

    { UCI_APP_CONFIG_PREAMBLE_CODE_INDEX, "Preamble code index" },

    { UCI_APP_CONFIG_SFD_ID, "SFD ID" },

    { UCI_APP_CONFIG_PSDU_DATA_RATE, "PSDU data rate" },

    { UCI_APP_CONFIG_PREAMBLE_DURATION, "Preamble duration" },

    { UCI_APP_CONFIG_RANGING_TIME_STRUCT, "Ranging time struct" },

    { UCI_APP_CONFIG_SLOTS_PER_RR, "Slots per ranging round" },

    { UCI_APP_CONFIG_TX_ADAPTIVE_PAYLOAD_POWER, "Tx adaptive payload power" },

    { UCI_APP_CONFIG_RESPONDER_SLOT_INDEX, "Responder slot index" },

    { UCI_APP_CONFIG_PRF_MODE, "PRF mode" },

    { UCI_APP_CONFIG_SCHEDULED_MODE, "Scheduled mode" },

    { UCI_APP_CONFIG_KEY_ROTATION, "Key rotation" },

    { UCI_APP_CONFIG_KEY_ROTATION_RATE, "Key rotation rate" },

    { UCI_APP_CONFIG_SESSION_PRIORITY, "Session priority" },

    { UCI_APP_CONFIG_MAC_ADDRESS_MODE, "Mac address mode" },

    { UCI_APP_CONFIG_VENDOR_ID, "Vendor ID" },

    { UCI_APP_CONFIG_STATIC_STS_IV, "Static STS IV" },

    { UCI_APP_CONFIG_NUMBER_OF_STS_SEGMENTS, "Number of STS segments" },

    { UCI_APP_CONFIG_MAX_RR_RETRY, "Max ranging round retry" },

    { UCI_APP_CONFIG_UWB_INITIATION_TIME, "UWB initiation time" },

    { UCI_APP_CONFIG_HOPPING_MODE, "Hopping mode" },

    { UCI_APP_CONFIG_BLOCK_STRIDE_LENGTH, "Block stride length" },

    { UCI_APP_CONFIG_RESULT_REPORT_CONFIG, "Result report config" },

    { UCI_APP_CONFIG_IN_BAND_TERMINATION_ATTEMPT_COUNT, "In band termination attempt count" },

    { UCI_APP_CONFIG_SUB_SESSION_ID, "Sub session ID" },

    { UCI_APP_CONFIG_BPRF_PHR_DATA_RATE, "BPRF PHR data rate" },

    { UCI_APP_CONFIG_MAX_NUMBER_OF_MEASUREMENTS, "Max number of measurements" },

    { UCI_APP_CONFIG_STS_LENGTH, "STS length" },

    { UCI_APP_CONFIG_CCC_HOP_MODE_KEY, "CCC hop mode key" },

    { UCI_APP_CONFIG_CCC_UWB_TIME0, "CCC UWB time0" },

    { UCI_APP_CONFIG_CCC_RANGING_PROTOCOL_VER, "CCC ranging protocol ver" },

    { UCI_APP_CONFIG_CCC_UWB_CONFIG_ID, "CCC UWB config ID" },

    { UCI_APP_CONFIG_CCC_PULSESHAPE_COMBO, "CCC pulseshape combo" },

    { UCI_APP_CONFIG_CCC_URSK_TTL, "CCC URSK TTL" },

    { UCI_APP_CONFIG_NB_OF_RANGE_MEASUREMENTS, "Nb of range measurements" },

    { UCI_APP_CONFIG_NB_OF_AZIMUTH_MEASUREMENTS, "Nb of azimuth measurements" },

    { UCI_APP_CONFIG_NB_OF_ELEVATION_MEASUREMENTS, "Nb of elevation measurements" },

    { 0, NULL },

};

static const value_string update_controller_multicast_list_action_vals[] = {

    { 0, "Update the multicast list by adding requested controlee short address" },

    { 1, "Delete the requested short address from multicast list" },

    { 0, NULL },

};

static const value_string multicast_update_status_vals[] = {

    { 0, "OK - Multicast list updated" },

    { 1, "Multicast list full" },

    { 2, "Key fecth fail" },

    { 3, "Sub-session ID not found" },

    { 0, NULL },

};

static const value_string ranging_measurement_type_vals[] = {

    { 1, "Two Way Ranging Measurement (SS-TWR, DSTWR)" },

    { 0, NULL },

};

static const value_string mac_addressing_mode_indicator_vals[] = {

    { 0, "2 Octets short MAC address" },

    { 1, "8 Octets extended MAC Address" },

    { 0, NULL },

};

static const value_string nlos_vals[] = {

    { 0, "Line of sight" },

    { 1, "Non-line of sigt" },

    { 0xff, "Unable to determine" },

    { 0, NULL },

};

static unsigned get_uci_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)

{

    /* Return the payload length added to the packet header length. */

    return tvb_get_uint8(tvb, offset + 3) + UCI_PACKET_HEADER_LEN;

}

static void dissect_core_device_reset_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                         proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Device Reset Cmd");

    proto_tree_add_item(payload_tree, hf_uci_reset_config, tvb, offset, 1, ENC_NA);

}

static void dissect_core_device_reset_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                         proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Device Reset Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

}

static void dissect_core_device_status_ntf(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                          proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Device Status Ntf");

    proto_tree_add_item(payload_tree, hf_uci_device_state, tvb, offset, 1, ENC_NA);

}

static void dissect_core_get_device_info_cmd(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo,

                                            proto_tree *payload_tree _U_)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Get Device Info Cmd");

}

static void dissect_core_get_device_info_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                            proto_tree *payload_tree)

{

    static int * const version_fields[] = {

        &hf_uci_version_major,

        &hf_uci_version_minor,

        &hf_uci_maintenance_number,

        NULL

    };

    col_set_str(pinfo->cinfo, COL_INFO, "Core Get Device Info Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    proto_tree_add_bitmask(payload_tree, tvb, offset,

        hf_uci_generic_version, ett_uci_payload, version_fields, ENC_LITTLE_ENDIAN);

    offset += 2;

    proto_tree_add_bitmask(payload_tree, tvb, offset,

        hf_uci_mac_version, ett_uci_payload, version_fields, ENC_LITTLE_ENDIAN);

    offset += 2;

    proto_tree_add_bitmask(payload_tree, tvb, offset,

        hf_uci_phy_version, ett_uci_payload, version_fields, ENC_LITTLE_ENDIAN);

    offset += 2;

    proto_tree_add_bitmask(payload_tree, tvb, offset,

        hf_uci_test_version, ett_uci_payload, version_fields, ENC_LITTLE_ENDIAN);

    offset += 2;

    int vendor_specific_information_len = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_vendor_specific_information_length,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    proto_tree_add_item(payload_tree, hf_uci_vendor_specific_information,

        tvb, offset, vendor_specific_information_len, ENC_NA);

}

static void dissect_core_get_caps_info_cmd(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo,

                                          proto_tree *payload_tree _U_)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Get Caps Info Cmd");

}

static void dissect_core_get_caps_info_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                          proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Get Caps Info Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    int capability_parameters_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_capability_parameters_count,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    if (capability_parameters_count == 0) {

        return;

    }

    proto_tree *capability_parameters_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_capability_parameters, NULL, "Capability Parameters");

    for (int idx = 0; idx < capability_parameters_count; idx++) {

        int parameter_type = tvb_get_uint8(tvb, offset + 0);

        int parameter_len = tvb_get_uint8(tvb, offset + 1);

        proto_tree *parameter_tree =

            proto_tree_add_subtree(capability_parameters_tree, tvb, offset, 2 + parameter_len,

                ett_uci_capability_parameter, NULL,

                val_to_str(parameter_type, capability_parameter_type_vals, "Unknown (0x%02x)"));

        proto_tree_add_item(parameter_tree, hf_uci_capability_parameter_type, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(parameter_tree, hf_uci_capability_parameter_len, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(parameter_tree, hf_uci_capability_parameter_value, tvb, offset, parameter_len, ENC_NA);

        offset += parameter_len;

    }

}

static void dissect_core_get_config_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                       proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Get Config Cmd");

    int parameters_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_parameters_count, tvb, offset, 1, ENC_NA);

    offset += 1;

    if (parameters_count == 0) {

        return;

    }

    proto_tree *parameters_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_parameters, NULL, "Parameter IDs");

    for (int idx = 0; idx < parameters_count; idx++) {

        int parameter_id = tvb_get_uint8(tvb, offset);

        proto_tree *parameter_tree =

            proto_tree_add_subtree(parameters_tree, tvb, offset, 1,

                ett_uci_parameter, NULL,

                val_to_str(parameter_id, parameter_type_vals, "Unknown (0x%02x)"));

        proto_tree_add_item(parameter_tree, hf_uci_parameter_type,

            tvb, offset, 1, ENC_NA);

        offset += 1;

    }

}

static void dissect_parameters(tvbuff_t *tvb, int offset, packet_info *pinfo _U_,

                               proto_tree *payload_tree)

{

    int parameters_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_parameters_count, tvb, offset, 1, ENC_NA);

    offset += 1;

    if (parameters_count == 0) {

        return;

    }

    proto_tree *parameters_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_parameters, NULL, "Parameters");

    for (int idx = 0; idx < parameters_count; idx++) {

        int parameter_id = tvb_get_uint8(tvb, offset + 0);

        int parameter_len = tvb_get_uint8(tvb, offset + 1);

        proto_tree *parameter_tree =

            proto_tree_add_subtree(parameters_tree, tvb, offset, 2 + parameter_len,

                ett_uci_parameter, NULL,

                val_to_str(parameter_id, parameter_type_vals, "Unknown (0x%02x)"));

        proto_tree_add_item(parameter_tree, hf_uci_parameter_type, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(parameter_tree, hf_uci_parameter_len, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(parameter_tree, hf_uci_parameter_value, tvb, offset, parameter_len, ENC_NA);

        offset += parameter_len;

    }

}

static void dissect_core_get_config_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                       proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Get Config Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    dissect_parameters(tvb, offset, pinfo, payload_tree);

}

static void dissect_core_set_config_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                       proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Set Config Cmd");

    dissect_parameters(tvb, offset, pinfo, payload_tree);

}

static void dissect_core_set_config_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                       proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Set Config Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    int parameters_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_parameters_count,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    if (parameters_count == 0) {

        return;

    }

    proto_tree *parameters_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_parameters, NULL, "Parameters");

    for (int idx = 0; idx < parameters_count; idx++) {

        int parameter_type = tvb_get_uint8(tvb, offset + 0);

        proto_tree *parameter_tree =

            proto_tree_add_subtree(parameters_tree, tvb, offset, 2,

                ett_uci_parameter, NULL,

                val_to_str(parameter_type, parameter_type_vals, "Unknown (0x%02x)"));

        proto_tree_add_item(parameter_tree, hf_uci_parameter_type, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(parameter_tree, hf_uci_parameter_status, tvb, offset, 1, ENC_NA);

        offset += 1;

    }

}

static void dissect_core_generic_error_ntf(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                          proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Core Generic Error Ntf");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

}

static void dissect_uci_core_pdu(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                proto_tree *payload_tree, int message_type, int opcode_id)

{

    if (message_type == UCI_MT_COMMAND &&

        opcode_id == UCI_OID_CORE_DEVICE_RESET) {

        dissect_core_device_reset_cmd(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_RESPONSE &&

        opcode_id == UCI_OID_CORE_DEVICE_RESET) {

        dissect_core_device_reset_rsp(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_NOTIFICATION &&

        opcode_id == UCI_OID_CORE_DEVICE_STATUS_NTF) {

        dissect_core_device_status_ntf(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_COMMAND &&

        opcode_id == UCI_OID_CORE_GET_DEVICE_INFO) {

        dissect_core_get_device_info_cmd(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_RESPONSE &&

        opcode_id == UCI_OID_CORE_GET_DEVICE_INFO) {

        dissect_core_get_device_info_rsp(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_COMMAND &&

        opcode_id == UCI_OID_CORE_GET_CAPS_INFO) {

        dissect_core_get_caps_info_cmd(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_RESPONSE &&

        opcode_id == UCI_OID_CORE_GET_CAPS_INFO) {

        dissect_core_get_caps_info_rsp(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_COMMAND &&

        opcode_id == UCI_OID_CORE_GET_CONFIG) {

        dissect_core_get_config_cmd(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_RESPONSE &&

        opcode_id == UCI_OID_CORE_GET_CONFIG) {

        dissect_core_get_config_rsp(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_COMMAND &&

        opcode_id == UCI_OID_CORE_SET_CONFIG) {

        dissect_core_set_config_cmd(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_RESPONSE &&

        opcode_id == UCI_OID_CORE_SET_CONFIG) {

        dissect_core_set_config_rsp(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_NOTIFICATION &&

        opcode_id == UCI_OID_CORE_GENERIC_ERROR_NTF) {

        dissect_core_generic_error_ntf(tvb, offset, pinfo, payload_tree);

    }

    else if (message_type == UCI_MT_COMMAND) {

        col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown Core Cmd (%02x)", opcode_id);

    }

    else if (message_type == UCI_MT_RESPONSE) {

        col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown Core Rsp (%02x)", opcode_id);

    }

    else {

        col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown Core Ntf (%02x)", opcode_id);

    }

}

static void dissect_session_init_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                    proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Init Cmd");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

    offset += 4;

    proto_tree_add_item(payload_tree, hf_uci_session_type, tvb, offset, 1, ENC_NA);

}

static void dissect_session_init_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                    proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Init Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

}

static void dissect_session_deinit_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                      proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Deinit Cmd");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

}

static void dissect_session_deinit_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                      proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Deinit Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

}

static void dissect_session_status_ntf(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                      proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Status Ntf");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

    offset += 4;

    proto_tree_add_item(payload_tree, hf_uci_session_state, tvb, offset, 1, ENC_NA);

}

static void dissect_app_config_parameters(tvbuff_t *tvb, int offset, packet_info *pinfo _U_,

                               proto_tree *payload_tree)

{

    int app_config_parameters_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_app_config_parameters_count,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    if (app_config_parameters_count == 0) {

        return;

    }

    proto_tree *app_config_parameters_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_app_config_parameters, NULL, "App Configurations");

    for (int idx = 0; idx < app_config_parameters_count; idx++) {

        int app_config_parameter_id = tvb_get_uint8(tvb, offset + 0);

        int app_config_parameter_len = tvb_get_uint8(tvb, offset + 1);

        proto_tree *app_config_parameter_tree =

            proto_tree_add_subtree(app_config_parameters_tree, tvb, offset,

                2 + app_config_parameter_len, ett_uci_app_config_parameter, NULL,

                val_to_str(app_config_parameter_id, app_config_parameter_type_vals, "Unknown (0x%02x)"));

        proto_tree_add_item(app_config_parameter_tree,

            hf_uci_app_config_parameter_type, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(app_config_parameter_tree,

            hf_uci_app_config_parameter_len, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(app_config_parameter_tree,

            hf_uci_app_config_parameter_value, tvb, offset,

            app_config_parameter_len, ENC_NA);

        offset += app_config_parameter_len;

    }

}

static void dissect_session_set_app_config_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                              proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Set App Config Cmd");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

    offset += 4;

    dissect_app_config_parameters(tvb, offset, pinfo, payload_tree);

}

static void dissect_session_set_app_config_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                              proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Set App Config Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    int app_config_parameters_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_app_config_parameters_count,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    if (app_config_parameters_count == 0) {

        return;

    }

    proto_tree *app_config_parameters_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_app_config_parameters, NULL, "App Configurations");

    for (int idx = 0; idx < app_config_parameters_count; idx++) {

        int app_config_parameter_type = tvb_get_uint8(tvb, offset + 0);

        proto_tree *app_config_parameter_tree =

            proto_tree_add_subtree(app_config_parameters_tree, tvb, offset, 2,

                ett_uci_app_config_parameter, NULL,

                val_to_str(app_config_parameter_type, app_config_parameter_type_vals, "Unknown (0x%02x)"));

        proto_tree_add_item(app_config_parameter_tree, hf_uci_app_config_parameter_type, tvb, offset, 1, ENC_NA);

        offset += 1;

        proto_tree_add_item(app_config_parameter_tree, hf_uci_app_config_parameter_status, tvb, offset, 1, ENC_NA);

        offset += 1;

    }

}

static void dissect_session_get_app_config_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                              proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Get App Config Cmd");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

    offset += 4;

    int app_config_parameters_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_app_config_parameters_count, tvb, offset, 1, ENC_NA);

    offset += 1;

    if (app_config_parameters_count == 0) {

        return;

    }

    proto_tree *app_config_parameters_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_app_config_parameters, NULL, "App Configuration IDs");

    for (int idx = 0; idx < app_config_parameters_count; idx++) {

        int app_config_parameter_id = tvb_get_uint8(tvb, offset);

        proto_tree *app_config_parameter_tree =

            proto_tree_add_subtree(app_config_parameters_tree, tvb, offset, 1,

                ett_uci_app_config_parameter, NULL,

                val_to_str(app_config_parameter_id, app_config_parameter_type_vals, "Unknown (0x%02x)"));

        proto_tree_add_item(app_config_parameter_tree, hf_uci_app_config_parameter_type,

            tvb, offset, 1, ENC_NA);

        offset += 1;

    }

}

static void dissect_session_get_app_config_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                              proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Get App Config Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    dissect_app_config_parameters(tvb, offset, pinfo, payload_tree);

}

static void dissect_session_get_count_cmd(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo,

                                         proto_tree *payload_tree _U_)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Get Count Cmd");

}

static void dissect_session_get_count_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                         proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Get Count Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    proto_tree_add_item(payload_tree, hf_uci_session_count, tvb, offset, 1, ENC_NA);

}

static void dissect_session_get_state_cmd(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                         proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Get State Cmd");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

}

static void dissect_session_get_state_rsp(tvbuff_t *tvb, int offset, packet_info *pinfo,

                                         proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Get State Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    proto_tree_add_item(payload_tree, hf_uci_session_state, tvb, offset, 1, ENC_NA);

}

static void dissect_session_update_controller_multicast_list_cmd(

    tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Update Controller Multicast List Cmd");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

    offset += 4;

    proto_tree_add_item(payload_tree, hf_uci_update_controller_multicast_list_action,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    int controlees_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_controlees_count,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    if (controlees_count == 0) {

        return;

    }

    proto_tree *controlee_list_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_controlee_list, NULL, "Controlee List");

    for (int idx = 0; idx < controlees_count; idx++) {

        proto_tree *controlee_tree =

            proto_tree_add_subtree(controlee_list_tree, tvb, offset, -1,

                ett_uci_controlee, NULL, "Controlee");

        proto_tree_add_item(controlee_tree, hf_uci_controlee_short_address,

            tvb, offset, 2, ENC_LITTLE_ENDIAN);

        offset += 2;

        proto_tree_add_item(controlee_tree, hf_uci_controlee_subsession_id,

            tvb, offset, 4, ENC_LITTLE_ENDIAN);

        offset += 4;

    }

}

static void dissect_session_update_controller_multicast_list_rsp(

    tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Update Controller Multicast List Rsp");

    proto_tree_add_item(payload_tree, hf_uci_status, tvb, offset, 1, ENC_NA);

}

static void dissect_session_update_controller_multicast_list_ntf(

    tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *payload_tree)

{

    col_set_str(pinfo->cinfo, COL_INFO, "Session Update Controller Multicast List Ntf");

    proto_tree_add_item(payload_tree, hf_uci_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);

    offset += 4;

    proto_tree_add_item(payload_tree, hf_uci_remaining_multicast_list_size,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    int controlees_count = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(payload_tree, hf_uci_controlees_count,

        tvb, offset, 1, ENC_NA);

    offset += 1;

    if (controlees_count == 0) {

        return;

    }

    proto_tree *controlee_list_tree =

        proto_tree_add_subtree(payload_tree, tvb, offset, -1,

            ett_uci_controlee_list, NULL, "Controlee List");

    for (int idx = 0; idx < controlees_count; idx++) {

        proto_tree *controlee_tree =

            proto_tree_add_subtree(controlee_list_tree, tvb, offset, -1,

                ett_uci_controlee, NULL, "Controlee");

        proto_tree_add_item(controlee_tree, hf_uci_controlee_short_address,

            tvb, offset, 2, ENC_LITTLE_ENDIAN);

        offset += 2;