/* packet-gvcp.c

 * Routines for AIA GigE Vision (TM) Control Protocol dissection

 * Copyright 2012, AIA <www.visiononline.org> All rights reserved

 *

 * GigE Vision (TM): GigE Vision a standard developed under the sponsorship of the AIA for

 * the benefit of the machine vision industry. GVCP stands for GigE Vision (TM) Control

 * Protocol.

 *

 * Wireshark - Network traffic analyzer

 * By Gerald Combs <gerald@wireshark.org>

 * Copyright 1998 Gerald Combs

 *

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

 */

#include "config.h"

#include <epan/packet.h>

#include <epan/conversation.h>

#include <epan/tfs.h>

#define GVCP_MIN_PACKET_SIZE          ( 8 )

#define GVCP_MAX_STREAM_CHANNEL_COUNT ( 512 )

/*

   header fields to show the relations between

   request and response as well as the response time

*/

static int hf_gvcp_response_in;

static int hf_gvcp_response_to;

/*

   structure to hold info to remember between the requests and responses

*/

typedef struct _gvcp_transaction_t {

  uint32_t req_frame;

  uint32_t rep_frame;

  wmem_array_t *addr_list;

  uint32_t addr_count;

} gvcp_transaction_t;

wmem_array_t* gvcp_trans_array;

/*

   structure to hold persistent info for each conversation

*/

typedef struct _gvcp_conv_info_t {

  wmem_map_t *pdus;

  uint32_t extended_bootstrap_address[GVCP_MAX_STREAM_CHANNEL_COUNT];

} gvcp_conv_info_t;

/*

Bootstrap registers addresses

*/

#define GVCP_VERSION (0x00000000)

#define GVCP_DEVICE_MODE (0x00000004)

#define GVCP_DEVICE_MAC_HIGH_0 (0x00000008)

#define GVCP_DEVICE_MAC_LOW_0 (0x0000000C)

#define GVCP_SUPPORTED_IP_CONFIGURATION_0 (0x00000010)

#define GVCP_CURIPCFG_0 (0x00000014)

#define GVCP_CURRENT_IP_ADDRESS_0 (0x00000024)

#define GVCP_CURRENT_SUBNET_MASK_0 (0x00000034)

#define GVCP_CURRENT_DEFAULT_GATEWAY_0 (0x00000044)

#define GVCP_MANUFACTURER_NAME (0x00000048)

#define GVCP_MODEL_NAME (0x00000068)

#define GVCP_DEVICE_VERSION (0x00000088)

#define GVCP_MANUFACTURER_INFO (0x000000A8)

#define GVCP_SERIAL_NUMBER (0x000000d8)

#define GVCP_USER_DEFINED_NAME (0x000000E8)

#define GVCP_FIRST_URL (0x00000200)

#define GVCP_SECOND_URL (0x00000400)

#define GVCP_NUMBER_OF_NETWORK_INTERFACES (0x00000600)

#define GVCP_PERSISTENT_IP_ADDRESS_0 (0x0000064C)

#define GVCP_PERSISTENT_SUBNET_MASK_0 (0x0000065C)

#define GVCP_PERSISTENT_DEFAULT_GATEWAY_0 (0x0000066C)

#define GVCP_LINK_SPEED_0 (0x00000670)

#define GVCP_DEVICE_MAC_HIGH_1 (0x00000680)

#define GVCP_DEVICE_MAC_LOW_1 (0x00000684)

#define GVCP_SUPPORTED_IP_CONFIGURATION_1 (0x00000688)

#define GVCP_CURIPCFG_1 (0x0000068C)

#define GVCP_CURRENT_IP_ADDRESS_1  (0x0000069C)

#define GVCP_CURRENT_SUBNET_MASK_1 (0x000006AC)

#define GVCP_CURRENT_DEFAULT_GATEWAY_1 (0x000006BC)

#define GVCP_PERSISTENT_IP_ADDRESS_1 (0x000006CC)

#define GVCP_PERSISTENT_SUBNET_MASK_1 (0x000006DC)

#define GVCP_PERSISTENT_DEFAULT_GATEWAY_1 (0x000006EC)

#define GVCP_LINK_SPEED_1 (0x000006F0)

#define GVCP_DEVICE_MAC_HIGH_2 (0x00000700)

#define GVCP_DEVICE_MAC_LOW_2 (0x00000704)

#define GVCP_SUPPORTED_IP_CONFIGURATION_2 (0x00000708)

#define GVCP_CURIPCFG_2 (0x0000070C)

#define GVCP_CURRENT_IP_ADDRESS_2 (0x0000071C)

#define GVCP_CURRENT_SUBNET_MASK_2 (0x0000072C)

#define GVCP_CURRENT_DEFAULT_GATEWAY_2 (0x0000073C)

#define GVCP_PERSISTENT_IP_ADDRESS_2 (0x0000074C)

#define GVCP_PERSISTENT_SUBNET_MASK_2 (0x0000075C)

#define GVCP_PERSISTENT_DEFAULT_GATEWAY_2 (0x0000076C)

#define GVCP_LINK_SPEED_2 (0x00000770)

#define GVCP_DEVICE_MAC_HIGH_3 (0x00000780)

#define GVCP_DEVICE_MAC_LOW_3 (0x00000784)

#define GVCP_SUPPORTED_IP_CONFIGURATION_3 (0x00000788)

#define GVCP_CURIPCFG_3 (0x0000078C)

#define GVCP_CURRENT_IP_ADDRESS_3 (0x0000079C)

#define GVCP_CURRENT_SUBNET_MASK_3 (0x000007AC)

#define GVCP_CURRENT_DEFAULT_GATEWAY_3 (0x000007BC)

#define GVCP_PERSISTENT_IP_ADDRESS_3 (0x000007CC)

#define GVCP_PERSISTENT_SUBNET_MASK_3 (0x000007DC)

#define GVCP_PERSISTENT_DEFAULT_GATEWAY_3 (0x000007EC)

#define GVCP_LINK_SPEED_3 (0x000007F0)

#define GVCP_NUMBER_OF_MESSAGE_CHANNELS (0x00000900)

#define GVCP_NUMBER_OF_STREAM_CHANNELS (0x00000904)

#define GVCP_NUMBER_OF_ACTION_SIGNALS (0x00000908)

#define GVCP_ACTION_DEVICE_KEY (0x0000090C)

#define GVCP_NUMBER_OF_ACTIVE_LINKS (0x00000910)

#define GVCP_SC_CAPS (0x0000092C)

#define GVCP_MESSAGE_CHANNEL_CAPS (0x00000930)

#define GVCP_CAPABILITY (0x00000934)

#define GVCP_HEARTBEAT_TIMEOUT (0x00000938)

#define GVCP_TIMESTAMP_TICK_FREQUENCY_HIGH (0x0000093C)

#define GVCP_TIMESTAMP_TICK_FREQUENCY_LOW (0x00000940)

#define GVCP_TIMESTAMP_CONTROL (0x00000944)

#define GVCP_TIMESTAMP_VALUE_HIGH (0x00000948)

#define GVCP_TIMESTAMP_VALUE_LOW (0x0000094C)

#define GVCP_DISCOVERY_ACK_DELAY (0x00000950)

#define GVCP_CONFIGURATION (0x00000954)

#define GVCP_PENDING_TIMEOUT (0x00000958)

#define GVCP_CONTROL_SWITCHOVER_KEY (0x0000095C)

#define GVCP_GVSCP_CONFIGURATION (0x00000960)

#define GVCP_PHYSICAL_LINK_CAPABILITY (0x00000964)

#define GVCP_PHYSICAL_LINK_CONFIGURATION (0x00000968)

#define GVCP_IEEE_1588_STATUS (0x0000096C)

#define GVCP_SCHEDULED_ACTION_COMMAND_QUEUE_SIZE (0x00000970)

#define GVCP_IEEE_1588_EXTENDED_CAPABILITY (0x00000974)

#define GVCP_IEEE_1588_SUPPORTED_PROFILES (0x00000978)

#define GVCP_IEEE_1588_SELECTED_PROFILE (0x0000097C)

#define GVCP_CCP (0x00000A00)

#define GVCP_PRIMARY_APPLICATION_PORT (0x00000A04)

#define GVCP_PRIMARY_APPLICATION_IP_ADDRESS (0x00000A14)

#define GVCP_MC_DESTINATION_PORT (0x00000B00)

#define GVCP_MC_DESTINATION_ADDRESS (0x00000B10)

#define GVCP_MC_TIMEOUT (0x00000B14)

#define GVCP_MC_RETRY_COUNT (0x00000B18)

#define GVCP_MC_SOURCE_PORT (0x00000B1C)

#define GVCP_MC_CONFIGURATION (0x00000B20) /* GEV 2.2 */

#define GVCP_MANIFEST_TABLE (0x00009000)

#define GVCP_SC_DESTINATION_PORT(I)           (0x0d00+(0x40*I))

#define GVCP_SC_PACKET_SIZE(I)                (0x0d04+(0x40*I))

#define GVCP_SC_PACKET_DELAY(I)               (0x0d08+(0x40*I))

#define GVCP_SC_DESTINATION_ADDRESS(I)        (0x0d18+(0x40*I))

#define GVCP_SC_SOURCE_PORT(I)                (0x0d1C+(0x40*I))

#define GVCP_SC_CAPABILITY(I)                 (0x0d20+(0x40*I))

#define GVCP_SC_CONFIGURATION(I)              (0x0d24+(0x40*I))

#define GVCP_SC_ZONE(I)                       (0x0d28+(0x40*I))

#define GVCP_SC_ZONE_DIRECTION(I)             (0x0d2C+(0x40*I))

#define GVCP_SC_MAX_PACKET_COUNT(I)           (0x0d30+(0x40*I)) /* GEV 2.2 */

#define GVCP_SC_MAX_BLOCK_SIZE_HIGH(I)        (0x0d34+(0x40*I)) /* GEV 2.2 */

#define GVCP_SC_MAX_BLOCK_SIZE_LOW(I)         (0x0d38+(0x40*I)) /* GEV 2.2 */

#define GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS(I) (0x0d3C+(0x40*I)) /* GEV 2.2 */

/* Real address: GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS(I) + the values defined here */

#define GVCP_SC_GENDC_DESCRIPTOR_ADDRESS         ( 0x0000 ) /* GEV 2.2 */

#define GVCP_SC_GENDC_DESCRIPTOR_SIZE            ( 0x0004 ) /* GEV 2.2 */

#define GVCP_SC_GENDC_FLOW_MAPPING_TABLE_ADDRESS ( 0x0008 ) /* GEV 2.2 */

#define GVCP_SC_GENDC_FLOW_MAPPING_TABLE_SIZE    ( 0x000C ) /* GEV 2.2 */

#define GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS_LAST  ( 0x000C )

#define GVCP_ACTION_GROUP_KEY(I)  (0x9800+(0x10*I))

#define GVCP_ACTION_GROUP_MASK(I) (0x9804+(0x10*I))

/*

Command and acknowledge IDs

*/

#define GVCP_DISCOVERY_CMD (0x0002)

#define GVCP_DISCOVERY_ACK (0x0003)

#define GVCP_FORCEIP_CMD (0x0004)

#define GVCP_FORCEIP_ACK (0x0005)

#define GVCP_PACKETRESEND_CMD (0x0040)

#define GVCP_PACKETRESEND_ACK (0x0041)

#define GVCP_READREG_CMD (0x0080)

#define GVCP_READREG_ACK (0x0081)

#define GVCP_WRITEREG_CMD (0x0082)

#define GVCP_WRITEREG_ACK (0x0083)

#define GVCP_READMEM_CMD (0x0084)

#define GVCP_READMEM_ACK (0x0085)

#define GVCP_WRITEMEM_CMD (0x0086)

#define GVCP_WRITEMEM_ACK (0x0087)

#define GVCP_PENDING_ACK (0x0089)

#define GVCP_EVENT_CMD (0x00C0)

#define GVCP_EVENT_ACK (0x00C1)

#define GVCP_EVENTDATA_CMD (0x00C2)

#define GVCP_EVENTDATA_ACK (0x00C3)

#define GVCP_ACTION_CMD (0x0100)

#define GVCP_ACTION_ACK (0x0101)

/*

GVCP statuses

*/

#define GEV_STATUS_SUCCESS (0x0000)

#define GEV_STATUS_PACKET_RESEND (0x0100)

#define GEV_STATUS_NOT_IMPLEMENTED (0x8001)

#define GEV_STATUS_INVALID_PARAMETER (0x8002)

#define GEV_STATUS_INVALID_ADDRESS (0x8003)

#define GEV_STATUS_WRITE_PROTECT (0x8004)

#define GEV_STATUS_BAD_ALIGNMENT (0x8005)

#define GEV_STATUS_ACCESS_DENIED (0x8006)

#define GEV_STATUS_BUSY (0x8007)

#define GEV_STATUS_LOCAL_PROBLEM (0x8008)  /* deprecated */

#define GEV_STATUS_MSG_MISMATCH (0x8009) /* deprecated */

#define GEV_STATUS_INVALID_PROTOCOL (0x800A) /* deprecated */

#define GEV_STATUS_NO_MSG (0x800B) /* deprecated */

#define GEV_STATUS_PACKET_UNAVAILABLE (0x800C)

#define GEV_STATUS_DATA_OVERRUN (0x800D)

#define GEV_STATUS_INVALID_HEADER (0x800E)

#define GEV_STATUS_WRONG_CONFIG (0x800F) /* deprecated */

#define GEV_STATUS_PACKET_NOT_YET_AVAILABLE (0x8010)

#define GEV_STATUS_PACKET_AND_PREV_REMOVED_FROM_MEMORY (0x8011)

#define GEV_STATUS_PACKET_REMOVED_FROM_MEMORY (0x8012)

#define GEV_STATUS_NO_REF_TIME (0x8013) /* GEV 2.0 */

#define GEV_STATUS_PACKET_TEMPORARILY_UNAVAILABLE (0x8014) /* GEV 2.0 */

#define GEV_STATUS_OVERFLOW (0x8015) /* GEV 2.0 */

#define GEV_STATUS_ACTION_LATE (0x8016) /* GEV 2.0 */

#define GEV_STATUS_LEADER_TRAILER_OVERFLOW (0x8017) /* GEV 2.1 */

#define GEV_STATUS_ERROR (0x8FFF)

/*

Device modes

*/

#define GEV_DEVICEMODE_TRANSMITTER (0x00 )

#define GEV_DEVICEMODE_RECEIVER (0x01)

#define GEV_DEVICEMODE_TRANSCEIVER (0x02)

#define GEV_DEVICEMODE_PERIPHERAL (0x03)

/*

Event IDs

*/

#define GEV_EVENT_TRIGGER (0x0002) /* deprecated */

#define GEV_EVENT_START_OF_EXPOSURE (0x0003) /* deprecated */

#define GEV_EVENT_END_OF_EXPOSURE (0x0004) /* deprecated */

#define GEV_EVENT_START_OF_TRANSFER (0x0005) /* deprecated */

#define GEV_EVENT_END_OF_TRANSFER (0x0006) /* deprecated */

#define GEV_EVENT_PRIMARY_APP_SWITCH (0x0007)

#define GEV_EVENT_EVENT_LINK_SPEED_CHANGE (0x0008)

#define GEV_EVENT_ACTION_LATE (0x0009)

#define GEV_EVENT_ERROR_001 (0x8001)

/*

Link configurations

*/

#define GEV_LINKCONFIG_SINGLELINK (0x00)

#define GEV_LINKCONFIG_MULTIPLELINKS (0x01)

#define GEV_LINKCONFIG_STATICLAG (0x02)

#define GEV_LINKCONFIG_DYNAMICLAG (0x03)

void proto_register_gvcp(void);

void proto_reg_handoff_gvcp(void);

/* Define the gvcp proto */

static int proto_gvcp;

static int global_gvcp_port = 3956;

static int hf_gvcp_custom_register_addr;

static int hf_gvcp_custom_memory_addr;

/*

\brief IDs used for bootstrap dissection

*/

static int hf_gvcp_message_key_code;

static int hf_gvcp_flag;

static int hf_gvcp_acknowledge_required_flag;

static int hf_gvcp_allow_broadcast_acknowledge_flag;

static int hf_gvcp_command;

static int hf_gvcp_length;

static int hf_gvcp_request_id;

static int hf_gvcp_status;

static int hf_gvcp_acknowledge;

static int hf_gvcp_spec_version_major;

static int hf_gvcp_spec_version_minor;

static int hf_gvcp_devicemodediscovery;

static int hf_gvcp_device_mac_address;

static int hf_gvcp_ip_config_persistent_ip;

static int hf_gvcp_ip_config_dhcp;

static int hf_gvcp_ip_config_lla;

static int hf_gvcp_current_IP;

static int hf_gvcp_current_subnet_mask;

static int hf_gvcp_current_default_gateway;

static int hf_gvcp_manufacturer_name;

static int hf_gvcp_model_name;

static int hf_gvcp_device_version;

static int hf_gvcp_manufacturer_specific_info;

static int hf_gvcp_serial_number;

static int hf_gvcp_user_defined_name;

static int hf_gvcp_first_xml_device_description_file;

static int hf_gvcp_second_xml_device_description_file;

static int hf_gvcp_readregcmd_bootstrap_register;

static int hf_gvcp_writeregcmd_bootstrap_register;

static int hf_gvcp_writeregcmd_data;

static int hf_gvcp_writeregcmd_data_index;

static int hf_gvcp_readmemcmd_address;

static int hf_gvcp_readmemcmd_bootstrap_register;

static int hf_gvcp_readmemcmd_count;

static int hf_gvcp_writememcmd_data;

static int hf_gvcp_writememcmd_data_index;

static int hf_gvcp_forceip_mac_address;

static int hf_gvcp_forceip_static_IP;

static int hf_gvcp_forceip_static_subnet_mask;

static int hf_gvcp_forceip_static_default_gateway;

static int hf_gvcp_resendcmd_stream_channel_index;

static int hf_gvcp_resendcmd_block_id;

static int hf_gvcp_resendcmd_first_packet_id;

static int hf_gvcp_resendcmd_last_packet_id;

static int hf_gvcp_eventcmd_id;

static int hf_gvcp_eventcmd_error_id;

static int hf_gvcp_eventcmd_extid_length;

static int hf_gvcp_eventcmd_device_specific_id;

static int hf_gvcp_eventcmd_stream_channel_index;

static int hf_gvcp_eventcmd_block_id;

static int hf_gvcp_eventcmd_timestamp;

static int hf_gvcp_eventcmd_data;

static int hf_gvcp_actioncmd_device_key;

static int hf_gvcp_actioncmd_group_key;

static int hf_gvcp_actioncmd_group_mask;

static int hf_gvcp_time_to_completion;

static int hf_gvcp_devicemode_endianness;

static int hf_gvcp_devicemode_deviceclass;

static int hf_gvcp_devicemode_characterset;

static int hf_gvcp_machigh;

static int hf_gvcp_maclow;

static int hf_gvcp_persistent_ip;

static int hf_gvcp_persistent_subnet;

static int hf_gvcp_persistent_gateway;

static int hf_gvcp_link_speed;

static int hf_gvcp_number_message_channels;

static int hf_gvcp_number_stream_channels;

static int hf_gvcp_number_action_signals;

static int hf_gvcp_capability_user_defined;

static int hf_gvcp_capability_serial_number;

static int hf_gvcp_capability_heartbeat_disable;

static int hf_gvcp_capability_link_speed;

static int hf_gvcp_capability_extended_status_code_v1_1;

static int hf_gvcp_capability_ccp_application_portip;

static int hf_gvcp_capability_manifest_table;

static int hf_gvcp_capability_test_data;

static int hf_gvcp_capability_discovery_ACK_delay;

static int hf_gvcp_capability_writable_discovery_ACK_delay;

static int hf_gvcp_capability_primary_application_switchover;

static int hf_gvcp_capability_unconditional_action_command;

static int hf_gvcp_capability_pending;

static int hf_gvcp_capability_evendata;

static int hf_gvcp_capability_event;

static int hf_gvcp_capability_packetresend;

static int hf_gvcp_capability_writemem;

static int hf_gvcp_capability_concatenation;

static int hf_gvcp_heartbeat;

static int hf_gvcp_high_timestamp_frequency;

static int hf_gvcp_low_timestamp_frequency;

static int hf_gvcp_high_timestamp_value;

static int hf_gvcp_low_timestamp_value;

static int hf_gvcp_discovery_ACK_delay;

static int hf_gvcp_configuration_pending_ack_enable;

static int hf_gvcp_configuration_heartbeat_disable;

static int hf_gvcp_pending_timeout_max_execution;

static int hf_gvcp_control_switchover_key_register;

static int hf_gvcp_control_switchover_key;

static int hf_gvcp_control_switchover_en;

static int hf_gvcp_control_access;

static int hf_gvcp_exclusive_access;

static int hf_gvcp_primary_application_host_port;

static int hf_gvcp_primary_application_ip_address;

static int hf_gvcp_network_interface_index;

static int hf_gvcp_host_port;

static int hf_gvcp_channel_destination_ip;

static int hf_gvcp_message_channel_transmission_timeout;

static int hf_gvcp_message_channel_retry_count;

static int hf_gvcp_message_channel_source_port;

static int hf_gvcp_sc_host_port;

static int hf_gvcp_sc_ni_index;

static int hf_gvcp_sc_direction;

static int hf_gvcp_sc_fire_test_packet;

static int hf_gvcp_sc_do_not_fragment;

static int hf_gvcp_sc_pixel_endianness;

static int hf_gvcp_sc_packet_size;

static int hf_gvcp_sc_packet_delay;

static int hf_gvcp_sc_destination_ip;

static int hf_gvcp_sc_source_port;

static int hf_gvcp_sc_big_little_endian_supported;

static int hf_gvcp_sc_ip_reassembly_supported;

static int hf_gvcp_sc_unconditional_streaming_supported;

static int hf_gvcp_sc_extended_chunk_data_supported;

static int hf_gvcp_sc_unconditional_streaming_enabled;

static int hf_gvcp_configuration_extended_status_codes_enable_v1_1;

static int hf_gvcp_sc_extended_chunk_data_enabled;

static int hf_gvcp_action_group_key;

static int hf_gvcp_action_group_mask;

static int hf_gvcp_timestamp_control_latch;

static int hf_gvcp_timestamp_control_reset;

static int hf_gvcp_payloaddata;

static int hf_gvcp_number_interfaces;

static int hf_gvcp_supportedipconfig;

static int hf_gvcp_currentipconfig;

static int hf_gvcp_spec_version;

/* Added for 2.0 support */

static int hf_gvcp_devicemode_current_link_configuration_v2_0;

static int hf_gvcp_ip_config_can_handle_pause_frames_v2_0;

static int hf_gvcp_ip_config_can_generate_pause_frames_v2_0;

static int hf_gvcp_number_of_active_links_v2_0;

static int hf_gvcp_sccaps_scspx_register_supported;

static int hf_gvcp_sccaps_legacy_16bit_blockid_supported_v2_0;

static int hf_gvcp_mcsp_supported;

static int hf_gvcp_capability_1588_v2_0;

static int hf_gvcp_capability_extended_status_code_v2_0;

static int hf_gvcp_capability_scheduled_action_command_v2_0;

static int hf_gvcp_capability_action_command;

static int hf_gvcp_configuration_1588_enable_v2_0;

static int hf_gvcp_configuration_extended_status_codes_enable_v2_0;

static int hf_gvcp_configuration_unconditional_action_command_enable_v2_0;

static int hf_gvcp_gvsp_configuration_64bit_blockid_enable_v2_0;

static int hf_gvcp_link_dlag_v2_0;

static int hf_gvcp_link_slag_v2_0;

static int hf_gvcp_link_ml_v2_0;

static int hf_gvcp_link_sl_v2_0;

static int hf_gvcp_ieee1588_clock_status_v2_0;

static int hf_gvcp_scheduled_action_command_queue_size_v2_0;

static int hf_gvcp_sc_multizone_supported_v2_0;

static int hf_gvcp_sc_packet_resend_destination_option_supported_v2_0;

static int hf_gvcp_sc_packet_resend_all_in_transmission_supported_v2_0;

static int hf_gvcp_sc_packet_resend_destination_option_enabled_v2_0;

static int hf_gvcp_sc_packet_resend_all_in_transmission_enabled_v2_0;

static int hf_gvcp_sc_additional_zones_v2_0;

static int hf_gvcp_sc_zone0_direction_v2_0;

static int hf_gvcp_sc_zone1_direction_v2_0;

static int hf_gvcp_sc_zone2_direction_v2_0;

static int hf_gvcp_sc_zone3_direction_v2_0;

static int hf_gvcp_sc_zone4_direction_v2_0;

static int hf_gvcp_sc_zone5_direction_v2_0;

static int hf_gvcp_sc_zone6_direction_v2_0;

static int hf_gvcp_sc_zone7_direction_v2_0;

static int hf_gvcp_sc_zone8_direction_v2_0;

static int hf_gvcp_sc_zone9_direction_v2_0;

static int hf_gvcp_sc_zone10_direction_v2_0;

static int hf_gvcp_sc_zone11_direction_v2_0;

static int hf_gvcp_sc_zone12_direction_v2_0;

static int hf_gvcp_sc_zone13_direction_v2_0;

static int hf_gvcp_sc_zone14_direction_v2_0;

static int hf_gvcp_sc_zone15_direction_v2_0;

static int hf_gvcp_sc_zone16_direction_v2_0;

static int hf_gvcp_sc_zone17_direction_v2_0;

static int hf_gvcp_sc_zone18_direction_v2_0;

static int hf_gvcp_sc_zone19_direction_v2_0;

static int hf_gvcp_sc_zone20_direction_v2_0;

static int hf_gvcp_sc_zone21_direction_v2_0;

static int hf_gvcp_sc_zone22_direction_v2_0;

static int hf_gvcp_sc_zone23_direction_v2_0;

static int hf_gvcp_sc_zone24_direction_v2_0;

static int hf_gvcp_sc_zone25_direction_v2_0;

static int hf_gvcp_sc_zone26_direction_v2_0;

static int hf_gvcp_sc_zone27_direction_v2_0;

static int hf_gvcp_sc_zone28_direction_v2_0;

static int hf_gvcp_sc_zone29_direction_v2_0;

static int hf_gvcp_sc_zone30_direction_v2_0;

static int hf_gvcp_sc_zone31_direction_v2_0;

static int hf_gvcp_scheduledactioncommand_flag_v2_0;

static int hf_gvcp_64bitid_flag_v2_0;

static int hf_gvcp_resendcmd_extended_block_id_v2_0;

static int hf_gvcp_resendcmd_extended_first_packet_id_v2_0;

static int hf_gvcp_resendcmd_extended_last_packet_id_v2_0;

static int hf_gvcp_actioncmd_time_v2_0;

static int hf_gvcp_eventcmd_block_id_64bit_v2_0;

/* Added for 2.1 support */

static int hf_gvcp_selected_ieee1588_profile_v2_1;

static int hf_gvcp_capability_ieee1588_extended_capabilities_v2_1;

static int hf_gvcp_ieee1588_profile_registers_present_v2_1;

static int hf_gvcp_ieee1588_ptp_profile_supported_v2_1;

static int hf_gvcp_ieee1588_802dot1as_profile_supported_v2_1;

static int hf_gvcp_sc_multi_part_supported_v2_1;

static int hf_gvcp_sc_large_leader_trailer_supported_v2_1;

static int hf_gvcp_sc_multi_part_enabled_v2_1;

static int hf_gvcp_sc_large_leader_trailer_enabled_v2_1;

/* Added for 2.2 support */

static int hf_gvcp_sccaps_scmbsx_supported_v2_2;

static int hf_gvcp_sccaps_scebax_supported_v2_2;

static int hf_gvcp_mccfg_supported_v2_2;

static int hf_gvcp_mcec_supported_v2_2;

static int hf_gvcp_mcec_enabled_v2_2;

static int hf_gvcp_sc_scmpcx_supported_v2_2;

static int hf_gvcp_sc_gendc_supported_v2_2;

static int hf_gvcp_sc_gendc_enabled_v2_2;

static int hf_gvcp_sc_max_packet_count_v2_2;

static int hf_gvcp_sc_max_block_size_high_v2_2;

static int hf_gvcp_sc_max_block_size_low_v2_2;

static int hf_gvcp_sc_extended_registers_address_v2_2;

static int hf_gvcp_sc_gendc_descriptor_address_v2_2;

static int hf_gvcp_sc_gendc_descriptor_size_v2_2;

static int hf_gvcp_sc_gendc_flow_mapping_table_address_v2_2;

static int hf_gvcp_sc_gendc_flow_mapping_table_size_v2_2;

static int hf_gvcp_readregcmd_extended_bootstrap_register;

static int hf_gvcp_writeregcmd_extended_bootstrap_register;

/* Generated from convert_proto_tree_add_text.pl */

static int hf_gvcp_custom_register_value;

static int hf_gvcp_custom_read_register_addr;

static int hf_gvcp_readmemcmd_data_read;

static int hf_gvcp_custom_read_register_value;

static int hf_gvcp_manifest_table;

static int hf_gvcp_reserved_bit;

/*Define the tree for gvcp*/

static int ett_gvcp;

static int ett_gvcp_cmd;

static int ett_gvcp_flags;

static int ett_gvcp_ack;

static int ett_gvcp_payload_cmd;

static int ett_gvcp_payload_ack;

static int ett_gvcp_payload_cmd_subtree;

static int ett_gvcp_payload_ack_subtree;

static int ett_gvcp_bootstrap_fields;

static dissector_handle_t gvcp_handle;

static dissector_handle_t gvsp_handle;

/*Device Mode*/

static const value_string devicemodenames_class[] = {

  { GEV_DEVICEMODE_TRANSMITTER, "Transmitter" },

  { GEV_DEVICEMODE_RECEIVER, "Receiver" },

  { GEV_DEVICEMODE_TRANSCEIVER, "Transceiver" },

  { GEV_DEVICEMODE_PERIPHERAL, "Peripheral" },

  { 0, NULL },

};

/*Current Link Configuration*/

static const value_string linkconfiguration_class[] = {

  { GEV_LINKCONFIG_SINGLELINK, "Single Link" },

  { GEV_LINKCONFIG_MULTIPLELINKS, "Multiple Links" },

  { GEV_LINKCONFIG_STATICLAG, "Static LAG" },

  { GEV_LINKCONFIG_DYNAMICLAG, "Dynamic LAG" },

  { 0, NULL },

};

static const value_string devicemodenames_characterset[] = {

  { 0x02, "ASCII" },

  { 0x01, "UTF-8 Character Set" },

  { 0x00, "Reserved" },

  { 0, NULL },

};

static const value_string commandnames[] = {

  { GVCP_DISCOVERY_CMD, "DISCOVERY_CMD" },

  { GVCP_FORCEIP_CMD, "FORCEIP_CMD" },

  { GVCP_PACKETRESEND_CMD, "PACKETRESEND_CMD" },

  { GVCP_READREG_CMD, "READREG_CMD" },

  { GVCP_WRITEREG_CMD, "WRITEREG_CMD" },

  { GVCP_READMEM_CMD, "READMEM_CMD" },

  { GVCP_WRITEMEM_CMD, "WRITEMEM_CMD" },

  { GVCP_EVENT_CMD, "EVENT_CMD" },

  { GVCP_EVENTDATA_CMD, "EVENTDATA_CMD" },

  { GVCP_ACTION_CMD, "ACTION_CMD" },

  { 0, NULL }

};

static const value_string acknowledgenames[] = {

  { GVCP_DISCOVERY_ACK, "DISCOVERY_ACK" },

  { GVCP_FORCEIP_ACK, "FORCEIP_ACK" },

  { GVCP_PACKETRESEND_ACK, "PACKETRESEND_ACK" },

  { GVCP_READREG_ACK, "READREG_ACK" },

  { GVCP_WRITEREG_ACK, "WRITEREG_ACK" },

  { GVCP_READMEM_ACK, "READMEM_ACK" },

  { GVCP_WRITEMEM_ACK, "WRITEMEM_ACK" },

  { GVCP_PENDING_ACK, "PENDING_ACK" },

  { GVCP_EVENT_ACK, "EVENT_ACK" },

  { GVCP_EVENTDATA_ACK, "EVENTDATA_ACK" },

  { GVCP_ACTION_ACK, "ACTION_ACK" },

  { 0, NULL },

};

static const value_string eventidnames[] = {

  { GEV_EVENT_TRIGGER, "GEV_EVENT_TRIGGER (deprecated)" },

  { GEV_EVENT_START_OF_EXPOSURE, "GEV_EVENT_START_OF_EXPOSURE (deprecated)" },

  { GEV_EVENT_END_OF_EXPOSURE, "GEV_EVENT_END_OF_EXPOSURE (deprecated)" },

  { GEV_EVENT_START_OF_TRANSFER, "GEV_EVENT_START_OF_TRANSFER (deprecated)" },

  { GEV_EVENT_END_OF_TRANSFER, "GEV_EVENT_END_OF_TRANSFER (deprecated)" },

  { GEV_EVENT_PRIMARY_APP_SWITCH, "GEV_EVENT_PRIMARY_APP_SWITCH" },

  { GEV_EVENT_EVENT_LINK_SPEED_CHANGE, "GEV_EVENT_EVENT_LINK_SPEED_CHANGE" },

  { GEV_EVENT_ACTION_LATE, "GEV_EVENT_ACTION_LATE" },

  { GEV_EVENT_ERROR_001, "GEV_EVENT_ERROR_001" },

  { 0, NULL },

};

static const value_string statusnames[] = {

  { GEV_STATUS_SUCCESS, "GEV_STATUS_SUCCESS" },

  { GEV_STATUS_PACKET_RESEND, "GEV_STATUS_PACKET_RESEND" },

  { GEV_STATUS_NOT_IMPLEMENTED, "GEV_STATUS_NOT_IMPLEMENTED" },

  { GEV_STATUS_INVALID_PARAMETER, "GEV_STATUS_INVALID_PARAMETER" },

  { GEV_STATUS_INVALID_ADDRESS, "GEV_STATUS_INVALID_ADDRESS" },

  { GEV_STATUS_WRITE_PROTECT, "GEV_STATUS_WRITE_PROTECT" },

  { GEV_STATUS_BAD_ALIGNMENT, "GEV_STATUS_BAD_ALIGNMENT" },

  { GEV_STATUS_ACCESS_DENIED, "GEV_STATUS_ACCESS_DENIED" },

  { GEV_STATUS_BUSY, "GEV_STATUS_BUSY" },

  { GEV_STATUS_LOCAL_PROBLEM, "GEV_STATUS_LOCAL_PROBLEM (deprecated)" },

  { GEV_STATUS_MSG_MISMATCH, "GEV_STATUS_MSG_MISMATCH (deprecated)" },

  { GEV_STATUS_INVALID_PROTOCOL, "GEV_STATUS_INVALID_PROTOCOL (deprecated)" },

  { GEV_STATUS_NO_MSG, "GEV_STATUS_NO_MSG (deprecated)" },

  { GEV_STATUS_PACKET_UNAVAILABLE, "GEV_STATUS_PACKET_UNAVAILABLE" },

  { GEV_STATUS_DATA_OVERRUN, "GEV_STATUS_DATA_OVERRUN" },

  { GEV_STATUS_INVALID_HEADER, "GEV_STATUS_INVALID_HEADER" },

  { GEV_STATUS_WRONG_CONFIG, "GEV_STATUS_WRONG_CONFIG (deprecated)" },

  { GEV_STATUS_PACKET_NOT_YET_AVAILABLE, "GEV_STATUS_PACKET_NOT_YET_AVAILABLE" },

  { GEV_STATUS_PACKET_AND_PREV_REMOVED_FROM_MEMORY, "GEV_STATUS_PACKET_AND_PREV_REMOVED_FROM_MEMORY" },

  { GEV_STATUS_PACKET_REMOVED_FROM_MEMORY, "GEV_STATUS_PACKET_REMOVED_FROM_MEMORY" },

  { GEV_STATUS_NO_REF_TIME, "GEV_STATUS_NO_REF_TIME" },

  { GEV_STATUS_PACKET_TEMPORARILY_UNAVAILABLE, "GEV_STATUS_PACKET_TEMPORARILY_UNAVAILABLE" },

  { GEV_STATUS_OVERFLOW, "GEV_STATUS_OVERFLOW" },

  { GEV_STATUS_ACTION_LATE, "GEV_STATUS_ACTION_LATE" },

  { GEV_STATUS_LEADER_TRAILER_OVERFLOW, "GEV_STATUS_LEADER_TRAILER_OVERFLOW" },

  { GEV_STATUS_ERROR, "GEV_STATUS_ERROR" },

  { 0, NULL },

};

static const value_string statusnames_short[] = {

  { GEV_STATUS_SUCCESS, "" },

  { GEV_STATUS_PACKET_RESEND, "(Packet Resend) " },

  { GEV_STATUS_NOT_IMPLEMENTED, "(Not Implemented) " },

  { GEV_STATUS_INVALID_PARAMETER, "(Invalid Parameter) " },

  { GEV_STATUS_INVALID_ADDRESS, "(Invalid Address) " },

  { GEV_STATUS_WRITE_PROTECT, "(Write Protect) " },

  { GEV_STATUS_BAD_ALIGNMENT, "(Bad Alignment) " },

  { GEV_STATUS_ACCESS_DENIED, "(Access Denied) " },

  { GEV_STATUS_BUSY, "(Busy) " },

  { GEV_STATUS_LOCAL_PROBLEM, "(Local Problem) " },

  { GEV_STATUS_MSG_MISMATCH, "(Message Mismatch) " },

  { GEV_STATUS_INVALID_PROTOCOL, "(Invalid Protocol) " },

  { GEV_STATUS_NO_MSG, "(No Message) " },

  { GEV_STATUS_PACKET_UNAVAILABLE, "(Packet Unavailable) " },

  { GEV_STATUS_DATA_OVERRUN, "(Data Overrun) " },

  { GEV_STATUS_INVALID_HEADER, "(Invalid Header) " },

  { GEV_STATUS_WRONG_CONFIG, "(Wrong Configuration) " },

  { GEV_STATUS_PACKET_NOT_YET_AVAILABLE, "(Packet not yet available) " },

  { GEV_STATUS_PACKET_AND_PREV_REMOVED_FROM_MEMORY, "(Packet and previous removed from memory) " },

  { GEV_STATUS_PACKET_REMOVED_FROM_MEMORY, "(Packet removed from memory) " },

  { GEV_STATUS_NO_REF_TIME, "(No reference time)" },

  { GEV_STATUS_PACKET_TEMPORARILY_UNAVAILABLE, "(Packet temp. unavailable)" },

  { GEV_STATUS_OVERFLOW, "(overflow)" },

  { GEV_STATUS_ACTION_LATE, "(Action late)" },

  { GEV_STATUS_LEADER_TRAILER_OVERFLOW, "(Leader/Trailer overflow)" },

  { GEV_STATUS_ERROR, "(Error) " },

  { 0, NULL },

};

static const true_false_string directionnames = {

  "Receiver",

  "Transmitter"

};

static const true_false_string zonedirectionnames = {

  "Bottom-Up",

  "Top-Down"

};

/*

brief Register name to address mappings

*/

static const value_string bootstrapregisternames[] = {

  { GVCP_VERSION, "[Version]" },

  { GVCP_DEVICE_MODE, "[Device Mode]" },

  { GVCP_DEVICE_MAC_HIGH_0, "[Device MAC address High (Net #0)]" },

  { GVCP_DEVICE_MAC_LOW_0, "[Device MAC address Low (Net #0)]" },

  { GVCP_SUPPORTED_IP_CONFIGURATION_0, "[Supported IP Configuration (Net #0)]" },

  { GVCP_CURIPCFG_0, "[Current IP Configuration (Net #0)]" },

  { GVCP_CURRENT_IP_ADDRESS_0, "[Current IP Address (Net #0)]" },

  { GVCP_CURRENT_SUBNET_MASK_0, "[Current Subnet Mask (Net #0)]" },

  { GVCP_CURRENT_DEFAULT_GATEWAY_0, "[Current Default Gateway (Net #0)]" },

  { GVCP_MANUFACTURER_NAME, "[Manufacturer Name]" },

  { GVCP_MODEL_NAME, "[Model Name]" },

  { GVCP_DEVICE_VERSION, "[Device Version]" },

  { GVCP_MANUFACTURER_INFO, "[Manufacturer Specific Information]" },

  { GVCP_SERIAL_NUMBER, "[Serial Number]" },

  { GVCP_USER_DEFINED_NAME, "[User-defined Name]" },

  { GVCP_FIRST_URL, "[First Choice of URL for XML device description file]" },

  { GVCP_SECOND_URL, "[Second Choice of URL for XML device description file]" },

  { GVCP_NUMBER_OF_NETWORK_INTERFACES, "[Number of network interfaces]" },

  { GVCP_PERSISTENT_IP_ADDRESS_0, "[Persistent IP address (Net #0)]" },

  { GVCP_PERSISTENT_SUBNET_MASK_0, "[Persistent subnet mask (Net #0)]" },

  { GVCP_PERSISTENT_DEFAULT_GATEWAY_0, "[Persistent default gateway (Net# 0)]" },

  { GVCP_LINK_SPEED_0, "[Link Speed (Net #0)]" },

  { GVCP_DEVICE_MAC_HIGH_1, "[Device MAC address High (Net #1)]" },

  { GVCP_DEVICE_MAC_LOW_1, "[Device MAC address Low (Net #1)]" },

  { GVCP_SUPPORTED_IP_CONFIGURATION_1, "[Supported IP Configuration (Net #1)]" },

  { GVCP_CURIPCFG_1, "[Current IP Configuration (Net #1)]" },

  { GVCP_CURRENT_IP_ADDRESS_1, "[Current IP Address (Net #1)]" },

  { GVCP_CURRENT_SUBNET_MASK_1, "[Current Subnet Mask (Net #1)]" },

  { GVCP_CURRENT_DEFAULT_GATEWAY_1, "[Current Default Gateway (Net #1)]" },

  { GVCP_PERSISTENT_IP_ADDRESS_1, "[Persistent IP address (Net #1)]" },

  { GVCP_PERSISTENT_SUBNET_MASK_1, "[Persistent subnet mask (Net#1)]" },

  { GVCP_PERSISTENT_DEFAULT_GATEWAY_1, "[Persistent default gateway (Net #1)]" },

  { GVCP_LINK_SPEED_1, "[Link Speed (Net #1)]" },

  { GVCP_DEVICE_MAC_HIGH_2, "[Device MAC address High (Net #2)]" },

  { GVCP_DEVICE_MAC_LOW_2, "[Device MAC address Low (Net #2)]" },

  { GVCP_SUPPORTED_IP_CONFIGURATION_2, "[Supported IP Configuration (Net #2)]" },

  { GVCP_CURIPCFG_2, "[Current IP Configuration (Net #2)]" },

  { GVCP_CURRENT_IP_ADDRESS_2, "[Current IP Address (Net #2)]" },

  { GVCP_CURRENT_SUBNET_MASK_2, "[Current Subnet Mask (Net #2)]" },

  { GVCP_CURRENT_DEFAULT_GATEWAY_2, "[Current Default Gateway (Net #2)]" },

  { GVCP_PERSISTENT_IP_ADDRESS_2, "[Persistent IP address (Net #2)]" },

  { GVCP_PERSISTENT_SUBNET_MASK_2, "[Persistent subnet mask (Net #2)]" },

  { GVCP_PERSISTENT_DEFAULT_GATEWAY_2, "[Persistent default gateway (Net #2)]" },

  { GVCP_LINK_SPEED_2, "[Link Speed (Net #2)]" },

  { GVCP_DEVICE_MAC_HIGH_3, "[Device MAC address High (Net #3)]" },

  { GVCP_DEVICE_MAC_LOW_3, "[Device MAC address Low (Net #3)]" },

  { GVCP_SUPPORTED_IP_CONFIGURATION_3, "[Supported IP Configuration (Net #3)]" },

  { GVCP_CURIPCFG_3, "[Current IP Configuration (Net #3)]" },

  { GVCP_CURRENT_IP_ADDRESS_3, "[Current IP Address (Net #3)]" },

  { GVCP_CURRENT_SUBNET_MASK_3, "[Current Subnet Mask (Net #3)]" },

  { GVCP_CURRENT_DEFAULT_GATEWAY_3, "[Current Default Gateway (Net #3)]" },

  { GVCP_PERSISTENT_IP_ADDRESS_3, "[Persistent IP address (Net #3)]" },

  { GVCP_PERSISTENT_SUBNET_MASK_3, "[Persistent subnet mask (Net #3)]" },

  { GVCP_PERSISTENT_DEFAULT_GATEWAY_3, "[Persistent default gateway (Net #3)]" },

  { GVCP_LINK_SPEED_3, "[Link Speed (Net #3)]" },

  { GVCP_NUMBER_OF_MESSAGE_CHANNELS, "[Number of Message Channels]" },

  { GVCP_NUMBER_OF_STREAM_CHANNELS, "[Number of Stream Channels]" },

  { GVCP_NUMBER_OF_ACTION_SIGNALS, "[Number of Action Signals]" },

  { GVCP_ACTION_DEVICE_KEY, "[Action Device Key]" },

  { GVCP_SC_CAPS, "[Stream channels Capability]" },

  { GVCP_MESSAGE_CHANNEL_CAPS, "[Message channel Capability]" },

  { GVCP_CAPABILITY, "[GVCP Capability]" },

  { GVCP_HEARTBEAT_TIMEOUT, "[Heartbeat timeout]" },

  { GVCP_TIMESTAMP_TICK_FREQUENCY_HIGH, "[Timestamp tick frequency - High]" },

  { GVCP_TIMESTAMP_TICK_FREQUENCY_LOW, "[Timestamp tick frequency - Low]" },

  { GVCP_TIMESTAMP_CONTROL, "[Timestamp control]" },

  { GVCP_TIMESTAMP_VALUE_HIGH, "[Timestamp value (latched) - High]" },

  { GVCP_TIMESTAMP_VALUE_LOW, "[Timestamp value (latched) - Low]" },

  { GVCP_DISCOVERY_ACK_DELAY, "[Discovery ACK delay]" },

  { GVCP_CONFIGURATION, "[GVCP Configuration]" },

  { GVCP_PENDING_TIMEOUT, "[Pending Timeout]" },

  { GVCP_CONTROL_SWITCHOVER_KEY, "[Control switchover key]" },

  { GVCP_GVSCP_CONFIGURATION, "[GVSP Configuration]" },

  { GVCP_PHYSICAL_LINK_CAPABILITY, "[Physical link capability]" },

  { GVCP_PHYSICAL_LINK_CONFIGURATION, "[Physical link configuration]" },

  { GVCP_IEEE_1588_STATUS, "[IEEE1588 status]" },

  { GVCP_SCHEDULED_ACTION_COMMAND_QUEUE_SIZE, "[Scheduled action command queue size]" },

  { GVCP_IEEE_1588_EXTENDED_CAPABILITY, "[IEEE1588 extended capabilities]" },

  { GVCP_IEEE_1588_SUPPORTED_PROFILES, "[IEEE1588 supported profiles]" },

  { GVCP_IEEE_1588_SELECTED_PROFILE, "[IEEE1588 selected profile]" },

  { GVCP_CCP, "[CCP (Control Channel Privilege)]" },

  { GVCP_PRIMARY_APPLICATION_PORT, "[Primary Application Port]" },

  { GVCP_PRIMARY_APPLICATION_IP_ADDRESS, "[Primary Application IP address]" },

  { GVCP_MC_DESTINATION_PORT, "[MCP (Message Channel Port)]" },

  { GVCP_MC_DESTINATION_ADDRESS, "[MCDA (Message Channel Destination Address)]" },

  { GVCP_MC_TIMEOUT, "[MCTT (Message Channel Transmission Timeout in ms)]" },

  { GVCP_MC_RETRY_COUNT, "[MCRC (Message Channel Retry Count)]" },

  { GVCP_MC_SOURCE_PORT, "[MCSP (Message Channel Source Port)]" },

  { GVCP_MC_CONFIGURATION, "[MCCFG (Message Channel Configuration)]" }, /* GEV 2.2 */

  { GVCP_SC_DESTINATION_PORT(0), "[SCP0 (Stream Channel #0 Port)]" },

  { GVCP_SC_PACKET_SIZE(0), "[SCPS0 (Stream Channel #0 Packet Size)]" },

  { GVCP_SC_PACKET_DELAY(0), "[SCPD0 (Stream Channel #0 Packet Delay)]" },

  { GVCP_SC_DESTINATION_ADDRESS(0), "[SCDA0 (Stream Channel #0 Destination Address)]" },

  { GVCP_SC_SOURCE_PORT(0), "[SCSP0 (Stream Channel #0 Source Port)]" },

  { GVCP_SC_CAPABILITY(0), "[SCC0 (Stream Channel #0 Capability)]" },

  { GVCP_SC_CONFIGURATION(0), "[SCCONF0 (Stream Channel #0 Configuration)]" },

  { GVCP_SC_ZONE(0), "[SCZ0 (Stream Channel Zone #0)]" },

  { GVCP_SC_ZONE_DIRECTION(0), "[SCZD0 (Stream Channel Zone Direction #0)]" },

  { GVCP_SC_MAX_PACKET_COUNT(0), "[SCMPC0 (Stream Channel Max Packet Count #0)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_HIGH(0), "[SCMBSL0 (Stream Channel Max Block Size (High) #0)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_LOW(0), "[SCMBSH0 (Stream Channel Max Block Size (Low) #0)]" },

  { GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS(0), "SCEBA0 (Stream Channel Extended Bootstrap Address #0)]" },

  { GVCP_SC_DESTINATION_PORT(1), "[SCP1 (Stream Channel #1 Port)]" },

  { GVCP_SC_PACKET_SIZE(1), "[SCPS1 (Stream Channel #1 Packet Size)]" },

  { GVCP_SC_PACKET_DELAY(1), "[SCPD1 (Stream Channel #1 Packet Delay)]" },

  { GVCP_SC_DESTINATION_ADDRESS(1), "[SCDA1 (Stream Channel #1 Destination Address)]" },

  { GVCP_SC_SOURCE_PORT(1), "[SCSP1 (Stream Channel #1 Source Port)]" },

  { GVCP_SC_CAPABILITY(1), "[SCC1 (Stream Channel #1 Capability)]" },

  { GVCP_SC_CONFIGURATION(1), "[SCCONF1 (Stream Channel #1 Configuration)]" },

  { GVCP_SC_ZONE(1), "[SCZ1 (Stream Channel Zone #1)]" },

  { GVCP_SC_ZONE_DIRECTION(1), "[SCZD1 (Stream Channel Zone Direction #1)]" },

  { GVCP_SC_MAX_PACKET_COUNT(1), "[SCMPC1 (Stream Channel Max Packet Count #1)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_HIGH(1), "[SCMBSL1 (Stream Channel Max Block Size (High) #1)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_LOW(1), "[SCMBSH1 (Stream Channel Max Block Size (Low) #1)]" },

  { GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS(1), "SCEBA1 (Stream Channel Extended Bootstrap Address #1)]" },

  { GVCP_SC_DESTINATION_PORT(2), "[SCP2 (Stream Channel #2 Port)]" },

  { GVCP_SC_PACKET_SIZE(2), "[SCPS2 (Stream Channel #2 Packet Size)]" },

  { GVCP_SC_PACKET_DELAY(2), "[SCPD2 (Stream Channel #2 Packet Delay)]" },

  { GVCP_SC_DESTINATION_ADDRESS(2), "[SCDA2 (Stream Channel #2 Destination Address)]" },

  { GVCP_SC_SOURCE_PORT(2), "[SCSP2 (Stream Channel #2 Source Port)]" },

  { GVCP_SC_CAPABILITY(2), "[SCC2 (Stream Channel #2 Capability)]" },

  { GVCP_SC_CONFIGURATION(2), "[SCCONF2 (Stream Channel #2 Configuration)]" },

  { GVCP_SC_ZONE(2), "[SCZ2 (Stream Channel Zone #2)]" },

  { GVCP_SC_ZONE_DIRECTION(2), "[SCZD2 (Stream Channel Zone Direction #2)]" },

  { GVCP_SC_MAX_PACKET_COUNT(2), "[SCMPC2 (Stream Channel Max Packet Count #2)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_HIGH(2), "[SCMBSL2 (Stream Channel Max Block Size (High) #2)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_LOW(2), "[SCMBSH2 (Stream Channel Max Block Size (Low) #2)]" },

  { GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS(2), "SCEBA2 (Stream Channel Extended Bootstrap Address #2)]" },

  { GVCP_SC_DESTINATION_PORT(3), "[SCP3 (Stream Channel #3 Port)]" },

  { GVCP_SC_PACKET_SIZE(3), "[SCPS3 (Stream Channel #3 Packet Size)]" },

  { GVCP_SC_PACKET_DELAY(3), "[SCPD3 (Stream Channel #3 Packet Delay)]" },

  { GVCP_SC_DESTINATION_ADDRESS(3), "[SCDA3 (Stream Channel #3 Destination Address)]" },

  { GVCP_SC_SOURCE_PORT(3), "[SCSP3 (Stream Channel #3 Source Port)]" },

  { GVCP_SC_CAPABILITY(3), "[SCC3 (Stream Channel #3 Capability)]" },

  { GVCP_SC_CONFIGURATION(3), "[SCCONF3 (Stream Channel #3 Configuration)]" },

  { GVCP_SC_ZONE(3), "[SCZ3 (Stream Channel Zone #3)]" },

  { GVCP_SC_ZONE_DIRECTION(3), "[SCZD3 (Stream Channel Zone Direction #3)]" },

  { GVCP_SC_MAX_PACKET_COUNT(3), "[SCMPC3 (Stream Channel Max Packet Count #3)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_HIGH(3), "[SCMBSL3 (Stream Channel Max Block Size (High) #3)]" },

  { GVCP_SC_MAX_BLOCK_SIZE_LOW(3), "[SCMBSH3 (Stream Channel Max Block Size (Low) #3)]" },

  { GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS(3), "SCEBA3 (Stream Channel Extended Bootstrap Address #3)]" },

  { GVCP_MANIFEST_TABLE, "[Manifest Table]" },

  { GVCP_ACTION_GROUP_KEY(0), "[Action Group Key #0]" },

  { GVCP_ACTION_GROUP_MASK(0), "[Action Group Mask #0]" },

  { GVCP_ACTION_GROUP_KEY(1), "[Action Group Key #1]" },

  { GVCP_ACTION_GROUP_MASK(1), "[Action Group Mask #1]" },

  { GVCP_ACTION_GROUP_KEY(2), "[Action Group Key #2]" },

  { GVCP_ACTION_GROUP_MASK(2), "[Action Group Mask #2]" },

  { GVCP_ACTION_GROUP_KEY(3), "[Action Group Key #3]" },

  { GVCP_ACTION_GROUP_MASK(3), "[Action Group Mask #3]" },

  { GVCP_ACTION_GROUP_KEY(4), "[Action Group Key #4]" },

  { GVCP_ACTION_GROUP_MASK(4), "[Action Group Mask #4]" },

  { GVCP_ACTION_GROUP_KEY(5), "[Action Group Key #5]" },

  { GVCP_ACTION_GROUP_MASK(5), "[Action Group Mask #5]" },

  { GVCP_ACTION_GROUP_KEY(6), "[Action Group Key #6]" },

  { GVCP_ACTION_GROUP_MASK(6), "[Action Group Mask #6]" },

  { GVCP_ACTION_GROUP_KEY(7), "[Action Group Key #7]" },

  { GVCP_ACTION_GROUP_MASK(7), "[Action Group Mask #7]" },

  { GVCP_ACTION_GROUP_KEY(8), "[Action Group Key #8]" },

  { GVCP_ACTION_GROUP_MASK(8), "[Action Group Mask #8]" },

  { GVCP_ACTION_GROUP_KEY(9), "[Action Group Key #9]" },

  { GVCP_ACTION_GROUP_MASK(9), "[Action Group Mask #9]" },

  { 0, NULL },

};

/*

brief Extended Register name to address mappings

*/

/* GEV 2.2 */

static const value_string extendedbootstrapregisternames[] = {

  { GVCP_SC_GENDC_DESCRIPTOR_ADDRESS, "[SCGDAx (GenDC Descriptor Address)]" },

  { GVCP_SC_GENDC_DESCRIPTOR_SIZE, "[SCGDSx (GenDC Descriptor Size)]" },

  { GVCP_SC_GENDC_FLOW_MAPPING_TABLE_ADDRESS, "[SCGFTAx (GenDC Flow Mapping Table Address)]" },

  { GVCP_SC_GENDC_FLOW_MAPPING_TABLE_SIZE, "[SCGFTSx (GenDC Flow Mapping Table Size)]" },

  { 0, NULL },

};

/*

\brief Check is the current register access is into one of the extended stream channel registers

*/

static bool is_extended_bootstrap_address(gvcp_conv_info_t *gvcp_info, uint32_t addr, uint32_t* extended_bootstrap_address_offset)

{

  int stream_channel_count = 0;

  for (stream_channel_count = 0; stream_channel_count < GVCP_MAX_STREAM_CHANNEL_COUNT; stream_channel_count++)

  {

    if ((gvcp_info->extended_bootstrap_address[stream_channel_count] != 0) &&

      (addr >= gvcp_info->extended_bootstrap_address[stream_channel_count]) &&

      (addr <= (gvcp_info->extended_bootstrap_address[stream_channel_count] + GVCP_SC_EXTENDED_BOOTSTRAP_ADDRESS_LAST)))

    {

      if (extended_bootstrap_address_offset)

      {

        *extended_bootstrap_address_offset = gvcp_info->extended_bootstrap_address[stream_channel_count];

      }

      return true;

    }

  }

  return false;

}

/*

\brief Returns a register name based on its address

*/

static const char* get_register_name_from_address(uint32_t addr, wmem_allocator_t *scope, gvcp_conv_info_t *gvcp_info, bool* is_custom_register)

{

  const char* address_string = NULL;

  if (is_custom_register != NULL)

  {

    *is_custom_register = false;

  }

  address_string = try_val_to_str(addr, bootstrapregisternames);

  if (!address_string)

  {

    uint32_t extended_bootstrap_address_offset = 0;

    if (is_extended_bootstrap_address(gvcp_info, addr, &extended_bootstrap_address_offset))

    {

      address_string = try_val_to_str(addr - extended_bootstrap_address_offset, extendedbootstrapregisternames);

    }

    if (!address_string)

    {

      address_string = wmem_strdup_printf(scope, "[Addr:0x%08X]", addr);

      if (is_custom_register != NULL)

      {

        *is_custom_register = true;

      }

    }

  }

  return address_string;

}

/*

\brief Attempts to dissect a bootstrap register

*/

static int dissect_register(uint32_t addr, proto_tree *branch, tvbuff_t *tvb, int offset, int length)

{

  switch (addr)

  {

  case GVCP_VERSION:

    proto_tree_add_item(branch, hf_gvcp_spec_version_major, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_spec_version_minor, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_DEVICE_MODE:

    proto_tree_add_item(branch, hf_gvcp_devicemode_endianness, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_devicemode_deviceclass, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_devicemode_current_link_configuration_v2_0, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_devicemode_characterset, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_DEVICE_MAC_HIGH_0:

  case GVCP_DEVICE_MAC_HIGH_1:

  case GVCP_DEVICE_MAC_HIGH_2:

  case GVCP_DEVICE_MAC_HIGH_3:

    proto_tree_add_item(branch, hf_gvcp_machigh, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_DEVICE_MAC_LOW_0:

  case GVCP_DEVICE_MAC_LOW_1:

  case GVCP_DEVICE_MAC_LOW_2:

  case GVCP_DEVICE_MAC_LOW_3:

    proto_tree_add_item(branch, hf_gvcp_maclow, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_SUPPORTED_IP_CONFIGURATION_0:

  case GVCP_SUPPORTED_IP_CONFIGURATION_1:

  case GVCP_SUPPORTED_IP_CONFIGURATION_2:

  case GVCP_SUPPORTED_IP_CONFIGURATION_3:

    proto_tree_add_item(branch, hf_gvcp_ip_config_can_handle_pause_frames_v2_0, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_can_generate_pause_frames_v2_0, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_lla, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_dhcp, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_persistent_ip, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_CURIPCFG_0:

  case GVCP_CURIPCFG_1:

  case GVCP_CURIPCFG_2:

  case GVCP_CURIPCFG_3:

    proto_tree_add_item(branch, hf_gvcp_ip_config_can_handle_pause_frames_v2_0, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_can_generate_pause_frames_v2_0, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_lla, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_dhcp, tvb, offset, 4, ENC_BIG_ENDIAN);

    proto_tree_add_item(branch, hf_gvcp_ip_config_persistent_ip, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_CURRENT_IP_ADDRESS_0:

  case GVCP_CURRENT_IP_ADDRESS_1:

  case GVCP_CURRENT_IP_ADDRESS_2:

  case GVCP_CURRENT_IP_ADDRESS_3:

    proto_tree_add_item(branch, hf_gvcp_current_IP, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_CURRENT_SUBNET_MASK_0:

  case GVCP_CURRENT_SUBNET_MASK_1:

  case GVCP_CURRENT_SUBNET_MASK_2:

  case GVCP_CURRENT_SUBNET_MASK_3:

    proto_tree_add_item(branch, hf_gvcp_current_subnet_mask, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_CURRENT_DEFAULT_GATEWAY_0:

  case GVCP_CURRENT_DEFAULT_GATEWAY_1:

  case GVCP_CURRENT_DEFAULT_GATEWAY_2:

  case GVCP_CURRENT_DEFAULT_GATEWAY_3:

    proto_tree_add_item(branch, hf_gvcp_current_default_gateway, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_MANUFACTURER_NAME:

    proto_tree_add_item(branch, hf_gvcp_reserved_bit, tvb, 0, length, ENC_NA); /*? */

    break;

  case GVCP_MODEL_NAME:

    proto_tree_add_item(branch, hf_gvcp_reserved_bit, tvb, 0, length, ENC_NA); /*? */

    break;

  case GVCP_DEVICE_VERSION:

    proto_tree_add_item(branch, hf_gvcp_reserved_bit, tvb, 0, length, ENC_NA); /*? */

    break;

  case GVCP_MANUFACTURER_INFO:

    proto_tree_add_item(branch, hf_gvcp_reserved_bit, tvb, 0, length, ENC_NA); /*? */

    break;

  case GVCP_SERIAL_NUMBER:

    proto_tree_add_item(branch, hf_gvcp_reserved_bit, tvb, 0, length, ENC_NA); /*? */

    break;

  case GVCP_USER_DEFINED_NAME:

    proto_tree_add_item(branch, hf_gvcp_user_defined_name, tvb, offset, 4, ENC_ASCII); /*? */

    break;

  case GVCP_FIRST_URL:

    proto_tree_add_item(branch, hf_gvcp_reserved_bit, tvb, 0, length, ENC_NA); /*? */

    break;

  case GVCP_SECOND_URL:

    proto_tree_add_item(branch, hf_gvcp_reserved_bit, tvb, 0, length, ENC_NA); /*? */

    break;

  case GVCP_NUMBER_OF_NETWORK_INTERFACES:

    proto_tree_add_item(branch, hf_gvcp_number_interfaces, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_PERSISTENT_IP_ADDRESS_0:

  case GVCP_PERSISTENT_IP_ADDRESS_1:

  case GVCP_PERSISTENT_IP_ADDRESS_2:

  case GVCP_PERSISTENT_IP_ADDRESS_3:

    proto_tree_add_item(branch, hf_gvcp_persistent_ip, tvb, offset, 4, ENC_BIG_ENDIAN);

    break;

  case GVCP_PERSISTENT_SUBNET_MASK_0:

  case GVCP_PERSISTENT_SUBNET_MASK_1:

  case GVCP_PERSISTENT_SUBNET_MASK_2:

  case GVCP_PERSISTENT_SUBNET_MASK_3:

    proto_tree_add_item(branch, hf_gvcp_persistent_subnet, tvb, offset, 4, ENC_BIG_ENDIAN);