/* packet-ptp.c

 * Routines for PTP (Precision Time Protocol) dissection

 * Copyright 2004, Auges Tchouante <tchouante2001@yahoo.fr>

 * Copyright 2004, Dominic Bechaz <bdo@zhwin.ch> , ZHW/InES

 * Copyright 2004, Markus Seehofer <mseehofe@nt.hirschmann.de>

 * Copyright 2006, Christian Schaer <scc@zhwin.ch>

 * Copyright 2007, Markus Renz <Markus.Renz@hirschmann.de>

 * Copyright 2010, Torrey Atcitty <torrey.atcitty@harman.com>

 *                 Dave Olsen <dave.olsen@harman.com>

 * Copyright 2013, Andreas Bachmann <bacr@zhaw.ch>, ZHAW/InES

 * Copyright 2016, Uli Heilmeier <uh@heilmeier.eu>

 * Copyright 2017, Adam Wujek <adam.wujek@cern.ch>

 * Copyright 2022, Dr. Lars Völker <lars.voelker@technica-engineering.de>

 * Copyright 2023, Adam Wujek <dev_public@wujek.eu> for CERN

 * Copyright 2024, Patrik Thunström <patrik.thunstroem@technica-engineering.de>

 * Copyright 2024, Dr. Lars Völker <lars.voelker@technica-engineering.de>

 * Copyright 2024, Martin Ostertag <martin.ostertag@zhaw.ch>

 *                 Aurel Hess <hesu@zhaw.ch>

 * Copyright 2025, Alex Gebhard <alexander.gebhard@marquette.edu>

 * Copyright 2025, Prashant Tripathi <prashant.tripathi@selinc.com>

 * Copyright 2025, Martin Mayer <martin.mayer@m2-it-solutions.de>

 *

 * Revisions:

 * - Markus Seehofer 09.08.2005 <mseehofe@nt.hirschmann.de>

 *   - Included the "startingBoundaryHops" field in

 *     ptp_management messages.

 * - Christian Schaer 07.07.2006 <scc@zhwin.ch>

 *   - Added support for PTP version 2

 * - Markus Renz 2007-06-01

 *   - updated support for PTPv2

 * - Markus Renz added Management for PTPv2, update to Draft 2.2

 * - Torrey Atcitty & Dave Olsen 05.14.2010

 *   - Added support for 802.1AS D7.0

 * - Andreas Bachmann 08.07.2013 <bacr@zhaw.ch>

 *   - allow multiple TLVs

 *   - bugfix in logInterMessagePeriod uint8_t -> int8_t

 * - Uli Heilmeier 21.03.2016 <uh@heilmeier.eu>

 *   - Added support for SMPTE TLV

 * - Adam Wujek 17.10.2017 <adam.wujek@cern.ch>

 *   - Added support for White Rabbit TLV

 * - Prashant Tripathi 19-02-2021 <prashant_tripathi@selinc.com>

 *   - Added support for C37.238-2017

 * - Dr. Lars Völker 05-01-2022 <lars.voelker@technica-engineering.de>

 *   - Added analysis support

 * - Adam Wujek 28.08.2023 <dev_public@wujek.eu>

 *   - Added support for L1Sync

 * - Patrik Thunström 27.01.2024 <patrik.thunstroem@technica-engineering.de>

 *   - Improvements/corrections for cumulativeScaledRateOffset

 * - Prashant Tripathi 31-07-2024 <prashant_tripathi@selinc.com>

 *   - Corrections to timeOfNextJump field in ATOI TLV

 * - Patrik Thunström 24.09.2024 <patrik.thunstroem@technica-engineering.de>

 *   - Fix analysis association (Sync to Follow_Up etc.) in case of sequenceId resets

 * - Dr. Lars Völker 28.11.2024 <lars.voelker@technica-engineering.de>

 *   - TLV rework

 * - Martin Ostertag & Aurel Hess 09-12-2024 <martin.ostertag@zhaw.ch> & <hesu@zhaw.ch>

 *   - Added support for drift_tracking TLV (802.1ASdm)

 * - Alex Gebhard 04-09-2025 <alexander.gebhard@marquette.edu>

 *   - Added support for authentication TLV

 * - Erez Geva 30-04-2025 <ErezGeva2@gmail.com>

 *   - Fix wrong PTPv2 Management IDs

 *   - Add missing PTPv2 Management TLVs dissection

 * - Prashant Tripathi 23-10-2025 <prashant_tripathi@selinc.com>

 *   - Fix the parsing of organizationSubType field in C37_238 2017 TLV

 * - Martin Mayer 06.12.2025 <martin.mayer@m2-it-solutions.de>

 *   - NTP-over-PTP

 * 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 <math.h>

#include <locale.h>

#include <epan/packet.h>

#include <epan/tfs.h>

#include <epan/unit_strings.h>

#include <epan/etypes.h>

#include <epan/expert.h>

#include <epan/proto_data.h>

#include <epan/oui.h>

#include <epan/addr_resolv.h>

#include "packet-ptp.h"

#define NS_PER_S 1000000000

/**********************************************************/

/* Port definition's for PTP                              */

/**********************************************************/

#define PTP_PORT_RANGE      "319-320"

/* END Port definition's for PTP */

void proto_register_ptp(void);

void proto_reg_handoff_ptp(void);

static int proto_ptp;

/* To keep the decimal point based on locale */

static char * decimal_point;

/***********************************************************************************/

/* Definitions and fields for PTPv1 dissection.                                    */

/***********************************************************************************/

/**********************************************************/

/* Offsets of fields within a PTPv1 packet.               */

/**********************************************************/

/* Common offsets for all Messages (Synch, Delay_Req, Follow_Up, Delay_Resp ....) */

#define PTP_VERSIONPTP_OFFSET                        0

#define PTP_VERSIONNETWORK_OFFSET                    2

#define PTP_SUBDOMAIN_OFFSET                         4

#define PTP_MESSAGETYPE_OFFSET                      20

#define PTP_SOURCECOMMUNICATIONTECHNOLOGY_OFFSET    21

#define PTP_SOURCEUUID_OFFSET                       22

#define PTP_SOURCEPORTID_OFFSET                     28

#define PTP_SEQUENCEID_OFFSET                       30

#define PTP_CONTROLFIELD_OFFSET                     32

#define PTP_FLAGS_OFFSET                            34

#define PTP_FLAGS_LI61_OFFSET                       34

#define PTP_FLAGS_LI59_OFFSET                       34

#define PTP_FLAGS_BOUNDARY_CLOCK_OFFSET             34

#define PTP_FLAGS_ASSIST_OFFSET                     34

#define PTP_FLAGS_EXT_SYNC_OFFSET                   34

#define PTP_FLAGS_PARENT_STATS_OFFSET               34

#define PTP_FLAGS_SYNC_BURST_OFFSET                 34

/* Offsets for PTP_Sync and Delay_Req (=SDR) messages */

#define PTP_SDR_ORIGINTIMESTAMP_OFFSET                       40

#define PTP_SDR_ORIGINTIMESTAMP_SECONDS_OFFSET               40

#define PTP_SDR_ORIGINTIMESTAMP_NANOSECONDS_OFFSET           44

#define PTP_SDR_EPOCHNUMBER_OFFSET                           48

#define PTP_SDR_CURRENTUTCOFFSET_OFFSET                      50

#define PTP_SDR_GRANDMASTERCOMMUNICATIONTECHNOLOGY_OFFSET    53

#define PTP_SDR_GRANDMASTERCLOCKUUID_OFFSET                  54

#define PTP_SDR_GRANDMASTERPORTID_OFFSET                     60

#define PTP_SDR_GRANDMASTERSEQUENCEID_OFFSET                 62

#define PTP_SDR_GRANDMASTERCLOCKSTRATUM_OFFSET               67

#define PTP_SDR_GRANDMASTERCLOCKIDENTIFIER_OFFSET            68

#define PTP_SDR_GRANDMASTERCLOCKVARIANCE_OFFSET              74

#define PTP_SDR_GRANDMASTERPREFERRED_OFFSET                  77

#define PTP_SDR_GRANDMASTERISBOUNDARYCLOCK_OFFSET            79

#define PTP_SDR_SYNCINTERVAL_OFFSET                          83

#define PTP_SDR_LOCALCLOCKVARIANCE_OFFSET                    86

#define PTP_SDR_LOCALSTEPSREMOVED_OFFSET                     90

#define PTP_SDR_LOCALCLOCKSTRATUM_OFFSET                     95

#define PTP_SDR_LOCALCLOCKIDENTIFIER_OFFSET                  96

#define PTP_SDR_PARENTCOMMUNICATIONTECHNOLOGY_OFFSET        101

#define PTP_SDR_PARENTUUID_OFFSET                           102

#define PTP_SDR_PARENTPORTFIELD_OFFSET                      110

#define PTP_SDR_ESTIMATEDMASTERVARIANCE_OFFSET              114

#define PTP_SDR_ESTIMATEDMASTERDRIFT_OFFSET                 116

#define PTP_SDR_UTCREASONABLE_OFFSET                        123

/* Offsets for Follow_Up (=FU) messages */

#define PTP_FU_ASSOCIATEDSEQUENCEID_OFFSET                   42

#define PTP_FU_PRECISEORIGINTIMESTAMP_OFFSET                 44

#define PTP_FU_PRECISEORIGINTIMESTAMP_SECONDS_OFFSET         44

#define PTP_FU_PRECISEORIGINTIMESTAMP_NANOSECONDS_OFFSET     48

/* Offsets for Delay_Resp (=DR) messages */

#define PTP_DR_DELAYRECEIPTTIMESTAMP_OFFSET                     40

#define PTP_DR_DELAYRECEIPTTIMESTAMP_SECONDS_OFFSET             40

#define PTP_DR_DELAYRECEIPTTIMESTAMP_NANOSECONDS_OFFSET         44

#define PTP_DR_REQUESTINGSOURCECOMMUNICATIONTECHNOLOGY_OFFSET   49

#define PTP_DR_REQUESTINGSOURCEUUID_OFFSET                      50

#define PTP_DR_REQUESTINGSOURCEPORTID_OFFSET                    56

#define PTP_DR_REQUESTINGSOURCESEQUENCEID_OFFSET                58

/* Offsets for Management (=MM) messages */

#define PTP_MM_TARGETCOMMUNICATIONTECHNOLOGY_OFFSET             41

#define PTP_MM_TARGETUUID_OFFSET                                42

#define PTP_MM_TARGETPORTID_OFFSET                              48

#define PTP_MM_STARTINGBOUNDARYHOPS_OFFSET                      50

#define PTP_MM_BOUNDARYHOPS_OFFSET                              52

#define PTP_MM_MANAGEMENTMESSAGEKEY_OFFSET                      55

#define PTP_MM_PARAMETERLENGTH_OFFSET                           58

    /* PARAMETERLENGTH > 0 */

#define PTP_MM_MESSAGEPARAMETERS_OFFSET                         60

    /* PTP_MM_CLOCK_IDENTITY (PARAMETERLENGTH = 64) */

#define PTP_MM_CLOCK_IDENTITY_CLOCKCOMMUNICATIONTECHNOLOGY_OFFSET    63

#define PTP_MM_CLOCK_IDENTITY_CLOCKUUIDFIELD_OFFSET                  64

#define PTP_MM_CLOCK_IDENTITY_CLOCKPORTFIELD_OFFSET                  74

#define PTP_MM_CLOCK_IDENTITY_MANUFACTURERIDENTITY_OFFSET            76

    /* PTP_MM_INITIALIZE_CLOCK (PARAMETERLENGTH = 4) */

#define PTP_MM_INITIALIZE_CLOCK_INITIALISATIONKEY_OFFSET             62

    /* PTP_MM_SET_SUBDOMAIN (PARAMETERLENGTH = 16) */

#define PTP_MM_SET_SUBDOMAIN_SUBDOMAINNAME_OFFSET                    60

    /* PTP_MM_DEFAULT_DATA_SET (PARAMETERLENGTH = 76) */

#define PTP_MM_DEFAULT_DATA_SET_CLOCKCOMMUNICATIONTECHNOLOGY_OFFSET  63

#define PTP_MM_DEFAULT_DATA_SET_CLOCKUUIDFIELD_OFFSET                64

#define PTP_MM_DEFAULT_DATA_SET_CLOCKPORTFIELD_OFFSET                74

#define PTP_MM_DEFAULT_DATA_SET_CLOCKSTRATUM_OFFSET                  79

#define PTP_MM_DEFAULT_DATA_SET_CLOCKIDENTIFIER_OFFSET               80

#define PTP_MM_DEFAULT_DATA_SET_CLOCKVARIANCE_OFFSET                 86

#define PTP_MM_DEFAULT_DATA_SET_CLOCKFOLLOWUPCAPABLE_OFFSET          89

#define PTP_MM_DEFAULT_DATA_SET_PREFERRED_OFFSET                     95

#define PTP_MM_DEFAULT_DATA_SET_INITIALIZABLE_OFFSET                 99

#define PTP_MM_DEFAULT_DATA_SET_EXTERNALTIMING_OFFSET               103

#define PTP_MM_DEFAULT_DATA_SET_ISBOUNDARYCLOCK_OFFSET              107

#define PTP_MM_DEFAULT_DATA_SET_SYNCINTERVAL_OFFSET                 111

#define PTP_MM_DEFAULT_DATA_SET_SUBDOMAINNAME_OFFSET                112

#define PTP_MM_DEFAULT_DATA_SET_NUMBERPORTS_OFFSET                  130

#define PTP_MM_DEFAULT_DATA_SET_NUMBERFOREIGNRECORDS_OFFSET         134

    /* PTP_MM_UPDATE_DEFAULT_DATA_SET (PARAMETERLENGTH = 36) */

#define PTP_MM_UPDATE_DEFAULT_DATA_SET_CLOCKSTRATUM_OFFSET           63

#define PTP_MM_UPDATE_DEFAULT_DATA_SET_CLOCKIDENTIFIER_OFFSET        64

#define PTP_MM_UPDATE_DEFAULT_DATA_SET_CLOCKVARIANCE_OFFSET          70

#define PTP_MM_UPDATE_DEFAULT_DATA_SET_PREFERRED_OFFSET              75

#define PTP_MM_UPDATE_DEFAULT_DATA_SET_SYNCINTERVAL_OFFSET           79

#define PTP_MM_UPDATE_DEFAULT_DATA_SET_SUBDOMAINNAME_OFFSET          80

    /* PTP_MM_CURRENT_DATA_SET (PARAMETERLENGTH = 20) */

#define PTP_MM_CURRENT_DATA_SET_STEPSREMOVED_OFFSET                  62

#define PTP_MM_CURRENT_DATA_SET_OFFSETFROMMASTER_OFFSET              64

#define PTP_MM_CURRENT_DATA_SET_OFFSETFROMMASTERSECONDS_OFFSET       64

#define PTP_MM_CURRENT_DATA_SET_OFFSETFROMMASTERNANOSECONDS_OFFSET   68

#define PTP_MM_CURRENT_DATA_SET_ONEWAYDELAY_OFFSET                   72

#define PTP_MM_CURRENT_DATA_SET_ONEWAYDELAYSECONDS_OFFSET            72

#define PTP_MM_CURRENT_DATA_SET_ONEWAYDELAYNANOSECONDS_OFFSET        76

    /* PTP_MM_PARENT_DATA_SET (PARAMETERLENGTH = 90) */

#define PTP_MM_PARENT_DATA_SET_PARENTCOMMUNICATIONTECHNOLOGY_OFFSET  63

#define PTP_MM_PARENT_DATA_SET_PARENTUUID_OFFSET                     64

#define PTP_MM_PARENT_DATA_SET_PARENTPORTID_OFFSET                   74

#define PTP_MM_PARENT_DATA_SET_PARENTLASTSYNCSEQUENCENUMBER_OFFSET   78

#define PTP_MM_PARENT_DATA_SET_PARENTFOLLOWUPCAPABLE_OFFSET          83

#define PTP_MM_PARENT_DATA_SET_PARENTEXTERNALTIMING_OFFSET           87

#define PTP_MM_PARENT_DATA_SET_PARENTVARIANCE_OFFSET                 90

#define PTP_MM_PARENT_DATA_SET_PARENTSTATS_OFFSET                    95

#define PTP_MM_PARENT_DATA_SET_OBSERVEDVARIANCE_OFFSET               98

#define PTP_MM_PARENT_DATA_SET_OBSERVEDDRIFT_OFFSET                 100

#define PTP_MM_PARENT_DATA_SET_UTCREASONABLE_OFFSET                 107

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERCOMMUNICATIONTECHNOLOGY_OFFSET    111

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERUUIDFIELD_OFFSET          112

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERPORTIDFIELD_OFFSET        122

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERSTRATUM_OFFSET            127

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERIDENTIFIER_OFFSET         128

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERVARIANCE_OFFSET           134

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERPREFERRED_OFFSET          139

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERISBOUNDARYCLOCK_OFFSET    143

#define PTP_MM_PARENT_DATA_SET_GRANDMASTERSEQUENCENUMBER_OFFSET     146

    /* PTP_MM_PORT_DATA_SET (PARAMETERLENGTH = 52) */

#define PTP_MM_PORT_DATA_SET_RETURNEDPORTNUMBER_OFFSET               62

#define PTP_MM_PORT_DATA_SET_PORTSTATE_OFFSET                        67

#define PTP_MM_PORT_DATA_SET_LASTSYNCEVENTSEQUENCENUMBER_OFFSET      70

#define PTP_MM_PORT_DATA_SET_LASTGENERALEVENTSEQUENCENUMBER_OFFSET   74

#define PTP_MM_PORT_DATA_SET_PORTCOMMUNICATIONTECHNOLOGY_OFFSET      79

#define PTP_MM_PORT_DATA_SET_PORTUUIDFIELD_OFFSET                    80

#define PTP_MM_PORT_DATA_SET_PORTIDFIELD_OFFSET                      90

#define PTP_MM_PORT_DATA_SET_BURSTENABLED_OFFSET                     95

#define PTP_MM_PORT_DATA_SET_SUBDOMAINADDRESSOCTETS_OFFSET           97

#define PTP_MM_PORT_DATA_SET_EVENTPORTADDRESSOCTETS_OFFSET           98

#define PTP_MM_PORT_DATA_SET_GENERALPORTADDRESSOCTETS_OFFSET         99

#define PTP_MM_PORT_DATA_SET_SUBDOMAINADDRESS_OFFSET                100

#define PTP_MM_PORT_DATA_SET_EVENTPORTADDRESS_OFFSET                106

#define PTP_MM_PORT_DATA_SET_GENERALPORTADDRESS_OFFSET              110

    /* PTP_MM_GLOBAL_TIME_DATA_SET (PARAMETERLENGTH = 24) */

#define PTP_MM_GLOBAL_TIME_DATA_SET_LOCALTIME_OFFSET                 60

#define PTP_MM_GLOBAL_TIME_DATA_SET_LOCALTIMESECONDS_OFFSET          60

#define PTP_MM_GLOBAL_TIME_DATA_SET_LOCALTIMENANOSECONDS_OFFSET      64

#define PTP_MM_GLOBAL_TIME_DATA_SET_CURRENTUTCOFFSET_OFFSET          70

#define PTP_MM_GLOBAL_TIME_DATA_SET_LEAP59_OFFSET                    75

#define PTP_MM_GLOBAL_TIME_DATA_SET_LEAP61_OFFSET                    79

#define PTP_MM_GLOBAL_TIME_DATA_SET_EPOCHNUMBER_OFFSET               82

    /* PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES (PARAMETERLENGTH = 16) */

#define PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES_CURRENTUTCOFFSET_OFFSET 62

#define PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES_LEAP59_OFFSET           67

#define PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES_LEAP61_OFFSET           71

#define PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES_EPOCHNUMBER_OFFSET      74

    /* PTP_MM_GET_FOREIGN_DATA_SET (PARAMETERLENGTH = 4) */

#define PTP_MM_GET_FOREIGN_DATA_SET_RECORDKEY_OFFSET                 62

    /* PTP_MM_FOREIGN_DATA_SET (PARAMETERLENGTH = 28) */

#define PTP_MM_FOREIGN_DATA_SET_RETURNEDPORTNUMBER_OFFSET            62

#define PTP_MM_FOREIGN_DATA_SET_RETURNEDRECORDNUMBER_OFFSET          66

#define PTP_MM_FOREIGN_DATA_SET_FOREIGNMASTERCOMMUNICATIONTECHNOLOGY_OFFSET 71

#define PTP_MM_FOREIGN_DATA_SET_FOREIGNMASTERUUIDFIELD_OFFSET        72

#define PTP_MM_FOREIGN_DATA_SET_FOREIGNMASTERPORTIDFIELD_OFFSET      82

#define PTP_MM_FOREIGN_DATA_SET_FOREIGNMASTERSYNCS_OFFSET            86

    /* PTP_MM_SET_SYNC_INTERVAL (PARAMETERLENGTH = 4) */

#define PTP_MM_SET_SYNC_INTERVAL_SYNCINTERVAL_OFFSET                 62

    /* PTP_MM_SET_TIME (PARAMETERLENGTH = 8) */

#define PTP_MM_SET_TIME_LOCALTIME_OFFSET                             60

#define PTP_MM_SET_TIME_LOCALTIMESECONDS_OFFSET                      60

#define PTP_MM_SET_TIME_LOCALTIMENANOSECONDS_OFFSET                  64

/* END Offsets of fields within a PTP packet. */

/**********************************************************/

/* flag-field-mask-definitions                            */

/**********************************************************/

#define PTP_FLAGS_LI61_BITMASK                  0x0001

#define PTP_FLAGS_LI59_BITMASK                  0x0002

#define PTP_FLAGS_BOUNDARY_CLOCK_BITMASK        0x0004

#define PTP_FLAGS_ASSIST_BITMASK                0x0008

#define PTP_FLAGS_EXT_SYNC_BITMASK              0x0010

#define PTP_FLAGS_PARENT_STATS_BITMASK          0x0020

#define PTP_FLAGS_SYNC_BURST_BITMASK            0x0040

/* END flag-field-mask-definitions */

/**********************************************************/

/* managementMessage definitions                          */

/**********************************************************/

#define PTP_MM_NULL                               0

#define PTP_MM_OBTAIN_IDENTITY                    1

#define PTP_MM_CLOCK_IDENTITY                     2

#define PTP_MM_INITIALIZE_CLOCK                   3

#define PTP_MM_SET_SUBDOMAIN                      4

#define PTP_MM_CLEAR_DESIGNATED_PREFERRED_MASTER  5

#define PTP_MM_SET_DESIGNATED_PREFERRED_MASTER    6

#define PTP_MM_GET_DEFAULT_DATA_SET               7

#define PTP_MM_DEFAULT_DATA_SET                   8

#define PTP_MM_UPDATE_DEFAULT_DATA_SET            9

#define PTP_MM_GET_CURRENT_DATA_SET              10

#define PTP_MM_CURRENT_DATA_SET                  11

#define PTP_MM_GET_PARENT_DATA_SET               12

#define PTP_MM_PARENT_DATA_SET                   13

#define PTP_MM_GET_PORT_DATA_SET                 14

#define PTP_MM_PORT_DATA_SET                     15

#define PTP_MM_GET_GLOBAL_TIME_DATA_SET          16

#define PTP_MM_GLOBAL_TIME_DATA_SET              17

#define PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES     18

#define PTP_MM_GOTO_FAULTY_STATE                 19

#define PTP_MM_GET_FOREIGN_DATA_SET              20

#define PTP_MM_FOREIGN_DATA_SET                  21

#define PTP_MM_SET_SYNC_INTERVAL                 22

#define PTP_MM_DISABLE_PORT                      23

#define PTP_MM_ENABLE_PORT                       24

#define PTP_MM_DISABLE_BURST                     25

#define PTP_MM_ENABLE_BURST                      26

#define PTP_MM_SET_TIME                          27

static const value_string ptp_managementMessageKey_vals[] = {

    {PTP_MM_NULL                              , "PTP_MM_NULL"},

    {PTP_MM_OBTAIN_IDENTITY                   , "PTP_MM_OBTAIN_IDENTITY"},

    {PTP_MM_CLOCK_IDENTITY                    , "PTP_MM_CLOCK_IDENTITY"},

    {PTP_MM_INITIALIZE_CLOCK                  , "PTP_MM_INITIALIZE_CLOCK"},

    {PTP_MM_SET_SUBDOMAIN                     , "PTP_MM_SET_SUBDOMAIN"},

    {PTP_MM_CLEAR_DESIGNATED_PREFERRED_MASTER , "PTP_MM_CLEAR_DESIGNATED_PREFERRED_MASTER"},

    {PTP_MM_SET_DESIGNATED_PREFERRED_MASTER   , "PTP_MM_SET_DESIGNATED_PREFERRED_MASTER"},

    {PTP_MM_GET_DEFAULT_DATA_SET              , "PTP_MM_GET_DEFAULT_DATA_SET"},

    {PTP_MM_DEFAULT_DATA_SET                  , "PTP_MM_DEFAULT_DATA_SET"},

    {PTP_MM_UPDATE_DEFAULT_DATA_SET           , "PTP_MM_UPDATE_DEFAULT_DATA_SET"},

    {PTP_MM_GET_CURRENT_DATA_SET              , "PTP_MM_GET_CURRENT_DATA_SET"},

    {PTP_MM_CURRENT_DATA_SET                  , "PTP_MM_CURRENT_DATA_SET"},

    {PTP_MM_GET_PARENT_DATA_SET               , "PTP_MM_GET_PARENT_DATA_SET"},

    {PTP_MM_PARENT_DATA_SET                   , "PTP_MM_PARENT_DATA_SET"},

    {PTP_MM_GET_PORT_DATA_SET                 , "PTP_MM_GET_PORT_DATA_SET"},

    {PTP_MM_PORT_DATA_SET                     , "PTP_MM_PORT_DATA_SET"},

    {PTP_MM_GET_GLOBAL_TIME_DATA_SET          , "PTP_MM_GET_GLOBAL_TIME_DATA_SET"},

    {PTP_MM_GLOBAL_TIME_DATA_SET              , "PTP_MM_GLOBAL_TIME_DATA_SET"},

    {PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES     , "PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES"},

    {PTP_MM_GOTO_FAULTY_STATE                 , "PTP_MM_GOTO_FAULTY_STATE"},

    {PTP_MM_GET_FOREIGN_DATA_SET              , "PTP_MM_GET_FOREIGN_DATA_SET"},

    {PTP_MM_FOREIGN_DATA_SET                  , "PTP_MM_FOREIGN_DATA_SET"},

    {PTP_MM_SET_SYNC_INTERVAL                 , "PTP_MM_SET_SYNC_INTERVAL"},

    {PTP_MM_DISABLE_PORT                      , "PTP_MM_DISABLE_PORT"},

    {PTP_MM_ENABLE_PORT                       , "PTP_MM_ENABLE_PORT"},

    {PTP_MM_DISABLE_BURST                     , "PTP_MM_DISABLE_BURST"},

    {PTP_MM_ENABLE_BURST                      , "PTP_MM_ENABLE_BURST"},

    {PTP_MM_SET_TIME                          , "PTP_MM_SET_TIME"},

    {0                                        , NULL}

};

static value_string_ext ptp_managementMessageKey_vals_ext =

    VALUE_STRING_EXT_INIT(ptp_managementMessageKey_vals);

/* same again but better readable text for info column */

static const value_string ptp_managementMessageKey_infocolumn_vals[] = {

    {PTP_MM_NULL                              , "Null"},

    {PTP_MM_OBTAIN_IDENTITY                   , "Obtain Identity"},

    {PTP_MM_CLOCK_IDENTITY                    , "Clock Identity"},

    {PTP_MM_INITIALIZE_CLOCK                  , "Initialize Clock"},

    {PTP_MM_SET_SUBDOMAIN                     , "Set Subdomain"},

    {PTP_MM_CLEAR_DESIGNATED_PREFERRED_MASTER , "Clear Designated Preferred Master"},

    {PTP_MM_SET_DESIGNATED_PREFERRED_MASTER   , "Set Designated Preferred Master"},

    {PTP_MM_GET_DEFAULT_DATA_SET              , "Get Default Data Set"},

    {PTP_MM_DEFAULT_DATA_SET                  , "Default Data Set"},

    {PTP_MM_UPDATE_DEFAULT_DATA_SET           , "Update Default Data Set"},

    {PTP_MM_GET_CURRENT_DATA_SET              , "Get Current Data Set"},

    {PTP_MM_CURRENT_DATA_SET                  , "Current Data Set"},

    {PTP_MM_GET_PARENT_DATA_SET               , "Get Parent Data Set"},

    {PTP_MM_PARENT_DATA_SET                   , "Parent Data Set"},

    {PTP_MM_GET_PORT_DATA_SET                 , "Get Port Data Set"},

    {PTP_MM_PORT_DATA_SET                     , "Port Data Set"},

    {PTP_MM_GET_GLOBAL_TIME_DATA_SET          , "Get Global Time Data Set"},

    {PTP_MM_GLOBAL_TIME_DATA_SET              , "Global Time Data Set"},

    {PTP_MM_UPDATE_GLOBAL_TIME_PROPERTIES     , "Update Global Time Properties"},

    {PTP_MM_GOTO_FAULTY_STATE                 , "Goto Faulty State"},

    {PTP_MM_GET_FOREIGN_DATA_SET              , "Get Foreign Data Set"},

    {PTP_MM_FOREIGN_DATA_SET                  , "Foreign Data Set"},

    {PTP_MM_SET_SYNC_INTERVAL                 , "Set Sync Interval"},

    {PTP_MM_DISABLE_PORT                      , "Disable Port"},

    {PTP_MM_ENABLE_PORT                       , "Enable Port"},

    {PTP_MM_DISABLE_BURST                     , "Disable Burst"},

    {PTP_MM_ENABLE_BURST                      , "Enable Burst"},

    {PTP_MM_SET_TIME                          , "Set Time"},

    {0                                        , NULL}

};

static value_string_ext ptp_managementMessageKey_infocolumn_vals_ext =

    VALUE_STRING_EXT_INIT(ptp_managementMessageKey_infocolumn_vals);

/* END managementMessage definitions */

/**********************************************************/

/* CommunicationId definitions                            */

/**********************************************************/

#define PTP_CLOSED                0

#define PTP_ETHER                 1

#define PTP_FFBUS                 4

#define PTP_PROFIBUS              5

#define PTP_LON                   6

#define PTP_DNET                  7

#define PTP_SDS                   8

#define PTP_CONTROLNET            9

#define PTP_CANOPEN              10

#define PTP_IEEE1394            243

#define PTP_IEEE802_11A         244

#define PTP_IEEE_WIRELESS       245

#define PTP_INFINIBAND          246

#define PTP_BLUETOOTH           247

#define PTP_IEEE802_15_1        248

#define PTP_IEEE1451_3          249

#define PTP_IEEE1451_5          250

#define PTP_USB                 251

#define PTP_ISA                 252

#define PTP_PCI                 253

#define PTP_VXI                 254

#define PTP_DEFAULT             255

static const value_string ptp_communicationid_vals[] = {

    {PTP_CLOSED        , "Closed system outside the scope of this standard."},

    {PTP_ETHER         , "IEEE 802.3 (Ethernet)"},

    {PTP_FFBUS         , "FOUNDATION Fieldbus"},

    {PTP_PROFIBUS      , "PROFIBUS"},

    {PTP_LON           , "LonTalk"},

    {PTP_DNET          , "DeviceNet"},

    {PTP_SDS           , "SmartDistributedSystem"},

    {PTP_CONTROLNET    , "ControlNet"},

    {PTP_CANOPEN       , "CANopen"},

    {PTP_IEEE1394      , "IEEE 1394"},

    {PTP_IEEE802_11A   , "IEEE 802.11a"},

    {PTP_IEEE_WIRELESS , "IEEE 802.11b"},

    {PTP_INFINIBAND    , "InfiniBand"},

    {PTP_BLUETOOTH     , "Bluetooth wireless"},

    {PTP_IEEE802_15_1  , "IEEE 802.15.1"},

    {PTP_IEEE1451_3    , "IEEE 1451.3"},

    {PTP_IEEE1451_5    , "IEEE 1451.5"},

    {PTP_USB           , "USB bus"},

    {PTP_ISA           , "ISA bus"},

    {PTP_PCI           , "PCI bus"},

    {PTP_VXI           , "VXI bus"},

    {PTP_DEFAULT       , "Default value"},

    {0                 , NULL}

};

static value_string_ext ptp_communicationid_vals_ext =

    VALUE_STRING_EXT_INIT(ptp_communicationid_vals);

/* END CommunicationId definitions */

/**********************************************************/

/* PTP message types    (PTP_CONTROL field)               */

/**********************************************************/

#define PTP_SYNC_MESSAGE        0x00

#define PTP_DELAY_REQ_MESSAGE   0x01

#define PTP_FOLLOWUP_MESSAGE    0x02

#define PTP_DELAY_RESP_MESSAGE  0x03

#define PTP_MANAGEMENT_MESSAGE  0x04

#define PTP_OTHER_MESSAGE       0x05

static const value_string ptp_controlfield_vals[] = {

    {PTP_SYNC_MESSAGE       , "Sync Message"},

    {PTP_DELAY_REQ_MESSAGE  , "Delay_Req Message"},

    {PTP_FOLLOWUP_MESSAGE   , "Follow_Up Message"},

    {PTP_DELAY_RESP_MESSAGE , "Delay_Resp Message"},

    {PTP_MANAGEMENT_MESSAGE , "Management Message"},

    {PTP_OTHER_MESSAGE      , "Other Message"},

    {0,                       NULL          }

};

/* END PTP message types */

/**********************************************************/

/* Channel values for the PTP_MESSAGETYPE field           */

/**********************************************************/

#define PTP_MESSAGETYPE_EVENT   0x01

#define PTP_MESSAGETYPE_GENERAL 0x02

static const value_string ptp_messagetype_vals[] = {

    {PTP_MESSAGETYPE_EVENT   , "Event Message"},

    {PTP_MESSAGETYPE_GENERAL , "General Message"},

    {0                       , NULL}

};

/* END channel values for the PTP_MESSAGETYPE field */

/**********************************************************/

/* Initialize the protocol and registered fields          */

/**********************************************************/

static int hf_ptp_versionptp;

static int hf_ptp_versionnetwork;

static int hf_ptp_subdomain;

static int hf_ptp_messagetype;

static int hf_ptp_sourcecommunicationtechnology;

static int hf_ptp_sourceuuid;

static int hf_ptp_sourceportid;

static int hf_ptp_sequenceid;

static int hf_ptp_controlfield;

static int hf_ptp_flags;

static int hf_ptp_flags_li61;

static int hf_ptp_flags_li59;

static int hf_ptp_flags_boundary_clock;

static int hf_ptp_flags_assist;

static int hf_ptp_flags_ext_sync;

static int hf_ptp_flags_parent;

static int hf_ptp_flags_sync_burst;

/* Fields for ptp_sync and delay_req (=sdr) messages */

static int hf_ptp_sdr_origintimestamp; /* Field for seconds & nanoseconds */

static int hf_ptp_sdr_origintimestamp_seconds;

static int hf_ptp_sdr_origintimestamp_nanoseconds;

static int hf_ptp_sdr_epochnumber;

static int hf_ptp_sdr_currentutcoffset;

static int hf_ptp_sdr_grandmastercommunicationtechnology;

static int hf_ptp_sdr_grandmasterclockuuid;

static int hf_ptp_sdr_grandmasterportid;

static int hf_ptp_sdr_grandmastersequenceid;

static int hf_ptp_sdr_grandmasterclockstratum;

static int hf_ptp_sdr_grandmasterclockidentifier;

static int hf_ptp_sdr_grandmasterclockvariance;

static int hf_ptp_sdr_grandmasterpreferred;

static int hf_ptp_sdr_grandmasterisboundaryclock;

static int hf_ptp_sdr_syncinterval;

static int hf_ptp_sdr_localclockvariance;

static int hf_ptp_sdr_localstepsremoved;

static int hf_ptp_sdr_localclockstratum;

static int hf_ptp_sdr_localclockidentifier;

static int hf_ptp_sdr_parentcommunicationtechnology;

static int hf_ptp_sdr_parentuuid;

static int hf_ptp_sdr_parentportfield;

static int hf_ptp_sdr_estimatedmastervariance;

static int hf_ptp_sdr_estimatedmasterdrift;

static int hf_ptp_sdr_utcreasonable;

/* Fields for follow_up (=fu) messages */

static int hf_ptp_fu_associatedsequenceid;

static int hf_ptp_fu_preciseorigintimestamp;

static int hf_ptp_fu_preciseorigintimestamp_seconds;

static int hf_ptp_fu_preciseorigintimestamp_nanoseconds;

/* Fields for delay_resp (=dr) messages */

static int hf_ptp_dr_delayreceipttimestamp;

static int hf_ptp_dr_delayreceipttimestamp_seconds;

static int hf_ptp_dr_delayreceipttimestamp_nanoseconds;

static int hf_ptp_dr_requestingsourcecommunicationtechnology;

static int hf_ptp_dr_requestingsourceuuid;

static int hf_ptp_dr_requestingsourceportid;

static int hf_ptp_dr_requestingsourcesequenceid;

/* Fields for management (=mm) messages */

static int hf_ptp_mm_targetcommunicationtechnology;

static int hf_ptp_mm_targetuuid;

static int hf_ptp_mm_targetportid;

static int hf_ptp_mm_startingboundaryhops;

static int hf_ptp_mm_boundaryhops;

static int hf_ptp_mm_managementmessagekey;

static int hf_ptp_mm_parameterlength;

    /* parameterlength > 0 */

/* static int hf_ptp_mm_messageparameters; */

    /* ptp_mm_clock_identity (parameterlength = 64) */

static int hf_ptp_mm_clock_identity_clockcommunicationtechnology;

static int hf_ptp_mm_clock_identity_clockuuidfield;

static int hf_ptp_mm_clock_identity_clockportfield;

static int hf_ptp_mm_clock_identity_manufactureridentity;

    /* ptp_mm_initialize_clock (parameterlength = 4) */

static int hf_ptp_mm_initialize_clock_initialisationkey;

    /* ptp_mm_set_subdomain (parameterlength = 16) */

static int hf_ptp_mm_set_subdomain_subdomainname;

    /* ptp_mm_default_data_set (parameterlength = 76) */

static int hf_ptp_mm_default_data_set_clockcommunicationtechnology;

static int hf_ptp_mm_default_data_set_clockuuidfield;

static int hf_ptp_mm_default_data_set_clockportfield;

static int hf_ptp_mm_default_data_set_clockstratum;

static int hf_ptp_mm_default_data_set_clockidentifier;

static int hf_ptp_mm_default_data_set_clockvariance;

static int hf_ptp_mm_default_data_set_clockfollowupcapable;

static int hf_ptp_mm_default_data_set_preferred;

static int hf_ptp_mm_default_data_set_initializable;

static int hf_ptp_mm_default_data_set_externaltiming;

static int hf_ptp_mm_default_data_set_isboundaryclock;

static int hf_ptp_mm_default_data_set_syncinterval;

static int hf_ptp_mm_default_data_set_subdomainname;

static int hf_ptp_mm_default_data_set_numberports;

static int hf_ptp_mm_default_data_set_numberforeignrecords;

    /* ptp_mm_update_default_data_set (parameterlength = 36) */

static int hf_ptp_mm_update_default_data_set_clockstratum;

static int hf_ptp_mm_update_default_data_set_clockidentifier;

static int hf_ptp_mm_update_default_data_set_clockvariance;

static int hf_ptp_mm_update_default_data_set_preferred;

static int hf_ptp_mm_update_default_data_set_syncinterval;

static int hf_ptp_mm_update_default_data_set_subdomainname;

    /* ptp_mm_current_data_set (parameterlength = 20) */

static int hf_ptp_mm_current_data_set_stepsremoved;

static int hf_ptp_mm_current_data_set_offsetfrommaster;

static int hf_ptp_mm_current_data_set_offsetfrommasterseconds;

static int hf_ptp_mm_current_data_set_offsetfrommasternanoseconds;

static int hf_ptp_mm_current_data_set_onewaydelay;

static int hf_ptp_mm_current_data_set_onewaydelayseconds;

static int hf_ptp_mm_current_data_set_onewaydelaynanoseconds;

    /* ptp_mm_parent_data_set (parameterlength = 90) */

static int hf_ptp_mm_parent_data_set_parentcommunicationtechnology;

static int hf_ptp_mm_parent_data_set_parentuuid;

static int hf_ptp_mm_parent_data_set_parentportid;

static int hf_ptp_mm_parent_data_set_parentlastsyncsequencenumber;

static int hf_ptp_mm_parent_data_set_parentfollowupcapable;

static int hf_ptp_mm_parent_data_set_parentexternaltiming;

static int hf_ptp_mm_parent_data_set_parentvariance;

static int hf_ptp_mm_parent_data_set_parentstats;

static int hf_ptp_mm_parent_data_set_observedvariance;

static int hf_ptp_mm_parent_data_set_observeddrift;

static int hf_ptp_mm_parent_data_set_utcreasonable;

static int hf_ptp_mm_parent_data_set_grandmastercommunicationtechnology;

static int hf_ptp_mm_parent_data_set_grandmasteruuidfield;

static int hf_ptp_mm_parent_data_set_grandmasterportidfield;

static int hf_ptp_mm_parent_data_set_grandmasterstratum;

static int hf_ptp_mm_parent_data_set_grandmasteridentifier;

static int hf_ptp_mm_parent_data_set_grandmastervariance;

static int hf_ptp_mm_parent_data_set_grandmasterpreferred;

static int hf_ptp_mm_parent_data_set_grandmasterisboundaryclock;

static int hf_ptp_mm_parent_data_set_grandmastersequencenumber;

    /* ptp_mm_port_data_set (parameterlength = 52) */

static int hf_ptp_mm_port_data_set_returnedportnumber;

static int hf_ptp_mm_port_data_set_portstate;

static int hf_ptp_mm_port_data_set_lastsynceventsequencenumber;

static int hf_ptp_mm_port_data_set_lastgeneraleventsequencenumber;

static int hf_ptp_mm_port_data_set_portcommunicationtechnology;

static int hf_ptp_mm_port_data_set_portuuidfield;

static int hf_ptp_mm_port_data_set_portidfield;

static int hf_ptp_mm_port_data_set_burstenabled;

static int hf_ptp_mm_port_data_set_subdomainaddressoctets;

static int hf_ptp_mm_port_data_set_eventportaddressoctets;

static int hf_ptp_mm_port_data_set_generalportaddressoctets;

static int hf_ptp_mm_port_data_set_subdomainaddress;

static int hf_ptp_mm_port_data_set_eventportaddress;

static int hf_ptp_mm_port_data_set_generalportaddress;

    /* ptp_mm_global_time_data_set (parameterlength = 24) */

static int hf_ptp_mm_global_time_data_set_localtime;

static int hf_ptp_mm_global_time_data_set_localtimeseconds;

static int hf_ptp_mm_global_time_data_set_localtimenanoseconds;

static int hf_ptp_mm_global_time_data_set_currentutcoffset;

static int hf_ptp_mm_global_time_data_set_leap59;

static int hf_ptp_mm_global_time_data_set_leap61;

static int hf_ptp_mm_global_time_data_set_epochnumber;

    /* ptp_mm_update_global_time_properties (parameterlength = 16) */

static int hf_ptp_mm_update_global_time_properties_currentutcoffset;

static int hf_ptp_mm_update_global_time_properties_leap59;

static int hf_ptp_mm_update_global_time_properties_leap61;

/* static int hf_ptp_mm_update_global_time_properties_epochnumber; */

    /* ptp_mm_get_foreign_data_set (parameterlength = 4) */

static int hf_ptp_mm_get_foreign_data_set_recordkey;

    /* ptp_mm_foreign_data_set (parameterlength = 28) */

static int hf_ptp_mm_foreign_data_set_returnedportnumber;

static int hf_ptp_mm_foreign_data_set_returnedrecordnumber;

static int hf_ptp_mm_foreign_data_set_foreignmastercommunicationtechnology;

static int hf_ptp_mm_foreign_data_set_foreignmasteruuidfield;

static int hf_ptp_mm_foreign_data_set_foreignmasterportidfield;

static int hf_ptp_mm_foreign_data_set_foreignmastersyncs;

    /* ptp_mm_set_sync_interval (parameterlength = 4) */

static int hf_ptp_mm_set_sync_interval_syncinterval;

    /* ptp_mm_set_time (parameterlength = 8) */

static int hf_ptp_mm_set_time_localtime;

static int hf_ptp_mm_set_time_localtimeseconds;

static int hf_ptp_mm_set_time_localtimenanoseconds;

/* END Initialize the protocol and registered fields */

/* Initialize the subtree pointers */

static int ett_ptp;

static int ett_ptp_flags;

static int ett_ptp_time;

static int ett_ptp_time2;

/* END Definitions and fields for PTPv1 dissection. */

/***********************************************************************************/

/* Definitions and fields for PTPv2 dissection.                                    */

/***********************************************************************************/

/**********************************************************/

/* Offsets of fields within a PTPv2 packet.               */

/**********************************************************/

/* Common offsets for all Messages (Sync, Delay_Req, Follow_Up, Delay_Resp ....) */

#define PTP_V2_MAJORSDOID_MESSAGE_TYPE_OFFSET                               0

#define PTP_V2_VERSIONPTP_OFFSET                                            1

#define PTP_V2_MINORVERSIONPTP_OFFSET                PTP_V2_VERSIONPTP_OFFSET

#define PTP_V2_MESSAGE_LENGTH_OFFSET                                        2

#define PTP_V2_DOMAIN_NUMBER_OFFSET                                         4

#define PTP_V2_MINORSDOID_OFFSET                                            5

#define PTP_V2_FLAGS_OFFSET                                                 6

#define PTP_V2_CORRECTION_OFFSET                                            8

#define PTP_V2_CLOCKIDENTITY_OFFSET                                        20

#define PTP_V2_SOURCEPORTID_OFFSET                                         28

#define PTP_V2_SEQUENCEID_OFFSET                                           30

/* Common Offset for TLVs (relative from start of TLV) */

#define PTP_V2_TLV_TYPE_OFFSET                                              0

#define PTP_V2_TLV_LENGTH_OFFSET                                            2

#define PTP_V2_TLV_HEADER_LENGTH                                            4

#define PTP_V2_TLV_ORGANIZATIONSUBTYPE_OFFSET                               7

/* Offsets for PTP_Follow_Up (=FU) messages */

#define PTP_V2_FU_PRECISEORIGINTIMESTAMPSECONDS_OFFSET                     34

#define PTP_V2_FU_PRECISEORIGINTIMESTAMPNANOSECONDS_OFFSET                 40

/* Offsets for PTP_PDelayResponse (=PDRS) messages */

#define PTP_V2_PDRS_REQUESTRECEIPTTIMESTAMPSECONDS_OFFSET                  34

#define PTP_V2_PDRS_REQUESTRECEIPTTIMESTAMPNANOSECONDS_OFFSET              40

#define PTP_V2_PDRS_REQUESTINGPORTIDENTITY_OFFSET                          44

#define PTP_V2_PDRS_REQUESTINGSOURCEPORTID_OFFSET                          52

/* Offsets for PTP_PDelayResponseFollowUp (=PDFU) messages */

#define PTP_V2_PDFU_RESPONSEORIGINTIMESTAMPSECONDS_OFFSET                  34

#define PTP_V2_PDFU_RESPONSEORIGINTIMESTAMPNANOSECONDS_OFFSET              40

#define PTP_V2_PDFU_REQUESTINGPORTIDENTITY_OFFSET                          44

#define PTP_V2_PDFU_REQUESTINGSOURCEPORTID_OFFSET                          52

/* PTPv2.1 L1 SYNC flags field length */

#define PTP_V2_SIG_TLV_L1SYNC_FLAGS_BASIC_FORMAT                            2

#define PTP_V2_SIG_TLV_L1SYNC_FLAGS_EXT_FORMAT                              3

/* Defined in 10.6.4.4.5 */

#define PTP_AS_SIG_TLV_TYPE_GPTPCAPABLE_ORG_SUB_TYPE                        4

/* Defined in 10.6.4.5.5 */

#define PTP_AS_SIG_TLV_TYPE_GPTPCAPABLE_MESSSAGEINTERVAL_ORG_SUB_TYPE       5

/**********************************************************/

/* Message Interval Request flag-field-mask-definitions   */

/**********************************************************/

#define PTP_AS_FLAGS_COMP_NEIGHBOR_RATE_RATIO_BITMASK                    0x02

#define PTP_AS_FLAGS_COMP_MEAN_LINK_DELAY_BITMASK                        0x04

#define PTP_AS_FLAGS_ONE_STEP_RECEIVE_CAPABLE                            0x08

/* Offsets for PTP_V2_Management (=MM) messages */

#define PTP_V2_MM_ACTION_OFFSET                                            46

#define PTP_V2_MM_RESERVED_OFFSET                                          47

/* Management TLV */

#define PTP_V2_MM_TLV_TYPE_OFFSET                                          48

#define PTP_V2_MM_TLV_MANAGEMENTID_OFFSET                                  52

#define PTP_V2_MM_TLV_MANAGEMENTERRORID_OFFSET                             52

/* TLV Types */

#define PTP_V2_TLV_TYPE_RESERVED                                       0x0000

#define PTP_V2_TLV_TYPE_MANAGEMENT                                     0x0001

#define PTP_V2_TLV_TYPE_MANAGEMENT_ERROR_STATUS                        0x0002

#define PTP_V2_TLV_TYPE_ORGANIZATION_EXTENSION                         0x0003

#define PTP_V2_TLV_TYPE_REQUEST_UNICAST_TRANSMISSION                   0x0004

#define PTP_V2_TLV_TYPE_GRANT_UNICAST_TRANSMISSION                     0x0005

#define PTP_V2_TLV_TYPE_CANCEL_UNICAST_TRANSMISSION                    0x0006

#define PTP_V2_TLV_TYPE_ACKNOWLEDGE_CANCEL_UNICAST_TRANSMISSION        0x0007

#define PTP_V2_TLV_TYPE_PATH_TRACE                                     0x0008

#define PTP_V2_TLV_TYPE_ALTERNATE_TIME_OFFSET_INDICATOR                0x0009

#define PTP_V2_TLV_TYPE_AUTHENTICATION                                 0x2000

#define PTP_V2_TLV_TYPE_AUTHENTICATION_CHALLENGE                       0x2001

#define PTP_V2_TLV_TYPE_SECURITY_ASSOCIATION_UPDATE                    0x2002

#define PTP_V2_TLV_TYPE_CUM_FREQ_SCALE_FACTOR_OFFSET                   0x2003

#define PTP_V2_TLV_TYPE_ORGANIZATION_EXTENSION_PROPAGATE               0x4000

#define PTP_V2_TLV_TYPE_ENHANCED_ACCURACY_METRICS                      0x4001

#define PTP_V2_TLV_TYPE_ORGANIZATION_EXTENSION_DO_NOT_PROPAGATE        0x8000

#define PTP_V2_TLV_TYPE_L1_SYNC                                        0x8001

#define PTP_V2_TLV_TYPE_PORT_COMMUNICATION_AVAILABILITY                0x8002

#define PTP_V2_TLV_TYPE_PROTOCOL_ADDRESS                               0x8003

#define PTP_V2_TLV_TYPE_SLAVE_RX_SYNC_TIMING_DATA                      0x8004

#define PTP_V2_TLV_TYPE_SLAVE_RX_SYNC_COMPUTED_DATA                    0x8005

#define PTP_V2_TLV_TYPE_SLAVE_TX_EVENT_TIMESTAMPS                      0x8006

#define PTP_V2_TLV_TYPE_CUMULATIVE_RATE_RATIO                          0x8007

#define PTP_V2_TLV_TYPE_PAD                                            0x8008

#define PTP_V2_TLV_TYPE_AUTHENTICATION2                                0x8009

/* Signaling TLV Object IDs */

#define PTP_AS_TLV_OID_TYPE_802                                      0x0080C2

/* PTPv2 Management clockType Boolean[16] Bits mask */

#define CLOCKTYPE_ORDINARY_CLOCK                                       0x8000

#define CLOCKTYPE_BOUNDARY_CLOCK                                       0x4000

#define CLOCKTYPE_P2P_TC                                               0x2000

#define CLOCKTYPE_E2E_TC                                               0x1000

#define CLOCKTYPE_MANAGEMENT_NODE                                      0x0800

#define CLOCKTYPE_RESERVED                                             0x07FF

/* PTPv2 Management IDs */

#define PTP_V2_MM_ID_NULL_MANAGEMENT                                   0x0000

#define PTP_V2_MM_ID_CLOCK_DESCRIPTION                                 0x0001

#define PTP_V2_MM_ID_USER_DESCRIPTION                                  0x0002

#define PTP_V2_MM_ID_SAVE_IN_NON_VOLATILE_STORAGE                      0x0003

#define PTP_V2_MM_ID_RESET_NON_VOLATILE_STORAGE                        0x0004

#define PTP_V2_MM_ID_INITIALIZE                                        0x0005

#define PTP_V2_MM_ID_FAULT_LOG                                         0x0006

#define PTP_V2_MM_ID_FAULT_LOG_RESET                                   0x0007

#define PTP_V2_MM_ID_DEFAULT_DATA_SET                                  0x2000

#define PTP_V2_MM_ID_CURRENT_DATA_SET                                  0x2001

#define PTP_V2_MM_ID_PARENT_DATA_SET                                   0x2002

#define PTP_V2_MM_ID_TIME_PROPERTIES_DATA_SET                          0x2003

#define PTP_V2_MM_ID_PORT_DATA_SET                                     0x2004

#define PTP_V2_MM_ID_PRIORITY1                                         0x2005

#define PTP_V2_MM_ID_PRIORITY2                                         0x2006

#define PTP_V2_MM_ID_DOMAIN                                            0x2007

#define PTP_V2_MM_ID_SLAVE_ONLY                                        0x2008

#define PTP_V2_MM_ID_LOG_ANNOUNCE_INTERVAL                             0x2009

#define PTP_V2_MM_ID_ANNOUNCE_RECEIPT_TIMEOUT                          0x200A

#define PTP_V2_MM_ID_LOG_SYNC_INTERVAL                                 0x200B

#define PTP_V2_MM_ID_VERSION_NUMBER                                    0x200C

#define PTP_V2_MM_ID_ENABLE_PORT                                       0x200D

#define PTP_V2_MM_ID_DISABLE_PORT                                      0x200E

#define PTP_V2_MM_ID_TIME                                              0x200F

#define PTP_V2_MM_ID_CLOCK_ACCURACY                                    0x2010

#define PTP_V2_MM_ID_UTC_PROPERTIES                                    0x2011

#define PTP_V2_MM_ID_TRACEABILITY_PROPERTIES                           0x2012

#define PTP_V2_MM_ID_TIMESCALE_PROPERTIES                              0x2013

#define PTP_V2_MM_ID_UNICAST_NEGOTIATION_ENABLE                        0x2014

#define PTP_V2_MM_ID_PATH_TRACE_LIST                                   0x2015

#define PTP_V2_MM_ID_PATH_TRACE_ENABLE                                 0x2016

#define PTP_V2_MM_ID_GRANDMASTER_CLUSTER_TABLE                         0x2017

#define PTP_V2_MM_ID_UNICAST_MASTER_TABLE                              0x2018

#define PTP_V2_MM_ID_UNICAST_MASTER_MAX_TABLE_SIZE                     0x2019

#define PTP_V2_MM_ID_ACCEPTABLE_MASTER_TABLE                           0x201A

#define PTP_V2_MM_ID_ACCEPTABLE_MASTER_TABLE_ENABLED                   0x201B

#define PTP_V2_MM_ID_ACCEPTABLE_MASTER_MAX_TABLE_SIZE                  0x201C

#define PTP_V2_MM_ID_ALTERNATE_MASTER                                  0x201D

#define PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_ENABLE                      0x201E

#define PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_NAME                        0x201F

#define PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_MAX_KEY                     0x2020

#define PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_PROPERTIES                  0x2021

#define PTP_V2_MM_ID_EXTERNAL_PORT_CONFIGURATION_ENABLED               0x3000

#define PTP_V2_MM_ID_MASTER_ONLY                                       0x3001

#define PTP_V2_MM_ID_HOLDOVER_UPGRADE_ENABLE                           0x3002

#define PTP_V2_MM_ID_EXT_PORT_CONFIG_PORT_DATA_SET                     0x3003

#define PTP_V2_MM_ID_TC_DEFAULT_DATA_SET                               0x4000

#define PTP_V2_MM_ID_TC_PORT_DATA_SET                                  0x4001

#define PTP_V2_MM_ID_PRIMARY_DOMAIN                                    0x4002

#define PTP_V2_MM_ID_DELAY_MECHANISM                                   0x6000

#define PTP_V2_MM_ID_LOG_MIN_PDELAY_REQ_INTERVAL                       0x6001

/* Bitmasks for PTP_V2_SIG_TLV_L1SYNC_FLAGS1_OFFSET */

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS1_TCR_BITMASK                 0x1 << 8

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS1_RCR_BITMASK                 0x2 << 8

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS1_CR_BITMASK                  0x4 << 8

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS1_OPE_BITMASK                 0x8 << 8

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS1_RESERVED_BITMASK           0xF0 << 8

/* Bitmasks for PTP_V2_SIG_TLV_L1SYNC_FLAGS2_OFFSET */

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS2_ITC_BITMASK                      0x1

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS2_IRC_BITMASK                      0x2

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS2_IC_BITMASK                       0x4

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS2_RESERVED_BITMASK                0xF8

/* Bitmasks for PTP_V2_SIG_TLV_L1SYNCEXT_FLAGS3_OFFSET */

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS3_TCT_BITMASK                      0x1

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS3_POV_BITMASK                      0x2

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS3_FOV_BITMASK                      0x4

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS3_RESERVED_BITMASK                0xF8

/* Bitmasks for reserved values for standard and extended versions of L1_SYNC frames */

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS2_RESERVED_ALL_BITMASK \

        (PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS1_RESERVED_BITMASK \

        | PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS2_RESERVED_BITMASK)

#define PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS3_RESERVED_ALL_BITMASK \

        (PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS2_RESERVED_ALL_BITMASK << 8 \

        | PTP_V2_TLV_SIG_TLV_L1SYNC_FLAGS3_RESERVED_BITMASK)

/* Subtypes for the OUI_IEEE_802_1 organization ID (802.1AS) */

#define PTP_V2_OE_ORG_IEEE_802_1_SUBTYPE_FOLLOWUP_INFORMATION_TLV           1

#define PTP_V2_OE_ORG_IEEE_802_1_SUBTYPE_MSG_INTERVAL_REQ_TLV               2

#define PTP_V2_OE_ORG_IEEE_802_1_SUBTYPE_CSN_TLV                            3

#define PTP_V2_OE_ORG_IEEE_802_1_SUBTYPE_FOLLOWUP_DRIFT_TRACKING_TLV        6

/* Subtypes for the OUI_IEEE_C37_238 organization ID */

#define PTP_V2_OE_ORG_IEEE_C37_238_SUBTYPE_C37238TLV                        1 /* Defined in IEEE Std C37.238-2011 */

#define PTP_V2_OE_ORG_IEEE_C37_238_SUBTYPE_C372382017TLV                    2 /* Defined in IEEE Std C37.238-2017 */

/* Subtypes for the PTP_V2_OE_ORG_ID_SMPTE organization ID */

#define PTP_V2_OE_ORG_SMPTE_SUBTYPE_VERSION_TLV                             1

/* Subtypes for the OUI_CERN organization ID */

#define PTP_V2_OE_ORG_CERN_SUBTYPE_WR_TLV                            0xdead01

/* Subtypes for ITU-T organization ID */

#define PTP_V2_INTERFACE_RATE_TLV                                    0x000002

/* Subtypes for OUI_IANA organization ID

 * Ref. https://www.iana.org/assignments/ethernet-numbers/ethernet-numbers.xhtml#iana-ptp-tlv-subtypes

 */

#define PTP_V2_OE_ORG_IANA_SUBTYPE_RES1_TLV                          0x000000

#define PTP_V2_OE_ORG_IANA_SUBTYPE_NTP_MSG_TLV                       0x000001

#define PTP_V2_OE_ORG_IANA_SUBTYPE_RES2_TLV                          0xFFFFFF

/* MESSAGE ID for the PTP_V2_OE_ORG_CERN_SUBTYPE_WR_TLV */

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_NULL_WR_TLV                     0x0000

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_SLAVE_PRESENT                   0x1000

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_LOCK                            0x1001

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_LOCKED                          0x1002

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_CALIBRATE                       0x1003

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_CALIBRATED                      0x1004

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_WR_MODE_ON                      0x1005

#define PTP_V2_OE_ORG_CERN_WRMESSAGEID_ANN_SUFIX                       0x2000

/* Bitmasks for WRTLV_FLAGS */

#define PTP_V2_TLV_OE_CERN_WRFLAGS_WRCONFIG_BITMASK                       0x3

#define PTP_V2_TLV_OE_CERN_WRFLAGS_CALIBRATED_BITMASK                     0x4

#define PTP_V2_TLV_OE_CERN_WRFLAGS_WRMODEON_BITMASK                       0x8

/* Values for PTP_V2_TLV_OE_CERN_WRFLAGS_WRCONFIG_BITMASK */

#define PTP_V2_TLV_OE_CERN_WRFLAGS_WRCONFIG_NON_WR                          0

#define PTP_V2_TLV_OE_CERN_WRFLAGS_WRCONFIG_WR_M_ONLY                       1

#define PTP_V2_TLV_OE_CERN_WRFLAGS_WRCONFIG_WR_S_ONLY                       2

#define PTP_V2_TLV_OE_CERN_WRFLAGS_WRCONFIG_WR_M_AND_S                      3

#define PTP_V2_MAJORSDOID_ASPACKET_BITMASK                               0x10

/**********************************************************/

/* flag-field-mask-definitions                            */

/**********************************************************/

#define PTP_V2_FLAGS_LI61_BITMASK                                      0x0001

#define PTP_V2_FLAGS_LI59_BITMASK                                      0x0002

#define PTP_V2_FLAGS_UTC_OFFSET_VALID_BITMASK                          0x0004

#define PTP_V2_FLAGS_PTP_TIMESCALE_BITMASK                             0x0008

#define PTP_V2_FLAGS_TIME_TRACEABLE_BITMASK                            0x0010

#define PTP_V2_FLAGS_FREQUENCY_TRACEABLE_BITMASK                       0x0020

#define PTP_V2_FLAGS_SYNCHRONIZATION_UNCERTAIN_BITMASK                 0x0040

#define PTP_V2_FLAGS_ALTERNATE_BITMASK                                 0x0100

#define PTP_V2_FLAGS_TWO_STEP_BITMASK                                  0x0200

#define PTP_V2_FLAGS_UNICAST_BITMASK                                   0x0400

#define PTP_V2_FLAGS_SPECIFIC1_BITMASK                                 0x2000

#define PTP_V2_FLAGS_SPECIFIC2_BITMASK                                 0x4000

#define PTP_V2_FLAGS_SECURITY_BITMASK                                  0x8000

#define PTP_V2_FLAGS_OE_SMPTE_TIME_ADDRESS_FIELD_DROP                    0x01

#define PTP_V2_FLAGS_OE_SMPTE_TIME_ADDRESS_FIELD_COLOR                   0x02

#define PTP_V2_FLAGS_OE_SMPTE_DAYLIGHT_SAVING_CURRENT                    0x01

#define PTP_V2_FLAGS_OE_SMPTE_DAYLIGHT_SAVING_NEXT                       0x02

#define PTP_V2_FLAGS_OE_SMPTE_DAYLIGHT_SAVING_PREVIOUS                   0x04

#define PTP_V2_FLAGS_OE_SMPTE_LEAP_SECOND_JUMP_CHANGE                    0x01

/**********************************************************/

/* PTP v2 message ids   (ptp messageid field)             */

/**********************************************************/

#define PTP_V2_SYNC_MESSAGE                                              0x00

#define PTP_V2_DELAY_REQ_MESSAGE                                         0x01

#define PTP_V2_PEER_DELAY_REQ_MESSAGE                                    0x02

#define PTP_V2_PEER_DELAY_RESP_MESSAGE                                   0x03

#define PTP_V2_FOLLOWUP_MESSAGE                                          0x08

#define PTP_V2_DELAY_RESP_MESSAGE                                        0x09

#define PTP_V2_PEER_DELAY_FOLLOWUP_MESSAGE                               0x0A

#define PTP_V2_ANNOUNCE_MESSAGE                                          0x0B

#define PTP_V2_SIGNALING_MESSAGE                                         0x0C

#define PTP_V2_MANAGEMENT_MESSAGE                                        0x0D

static const value_string ptp_v2_managementID_vals[] = {

    {PTP_V2_MM_ID_NULL_MANAGEMENT,                              "NULL_MANAGEMENT"},

    {PTP_V2_MM_ID_CLOCK_DESCRIPTION,                            "CLOCK_DESCRIPTION"},

    {PTP_V2_MM_ID_USER_DESCRIPTION,                             "USER_DESCRIPTION"},

    {PTP_V2_MM_ID_SAVE_IN_NON_VOLATILE_STORAGE,                 "SAVE_IN_NON_VOLATILE_STORAGE"},

    {PTP_V2_MM_ID_RESET_NON_VOLATILE_STORAGE,                   "RESET_NON_VOLATILE_STORAGE"},

    {PTP_V2_MM_ID_INITIALIZE,                                   "INITIALIZE"},

    {PTP_V2_MM_ID_FAULT_LOG,                                    "FAULT_LOG"},

    {PTP_V2_MM_ID_FAULT_LOG_RESET,                              "FAULT_LOG_RESET"},

    {PTP_V2_MM_ID_DEFAULT_DATA_SET,                             "DEFAULT_DATA_SET"},

    {PTP_V2_MM_ID_CURRENT_DATA_SET,                             "CURRENT_DATA_SET"},

    {PTP_V2_MM_ID_PARENT_DATA_SET,                              "PARENT_DATA_SET"},

    {PTP_V2_MM_ID_TIME_PROPERTIES_DATA_SET,                     "TIME_PROPERTIES_DATA_SET"},

    {PTP_V2_MM_ID_PORT_DATA_SET,                                "PORT_DATA_SET"},

    {PTP_V2_MM_ID_PRIORITY1,                                    "PRIORITY1"},

    {PTP_V2_MM_ID_PRIORITY2,                                    "PRIORITY2"},

    {PTP_V2_MM_ID_DOMAIN,                                       "DOMAIN"},

    {PTP_V2_MM_ID_SLAVE_ONLY,                                   "SLAVE_ONLY"},

    {PTP_V2_MM_ID_LOG_ANNOUNCE_INTERVAL,                        "LOG_ANNOUNCE_INTERVAL"},

    {PTP_V2_MM_ID_ANNOUNCE_RECEIPT_TIMEOUT,                     "ANNOUNCE_RECEIPT_TIMEOUT"},

    {PTP_V2_MM_ID_LOG_SYNC_INTERVAL,                            "LOG_SYNC_INTERVAL"},

    {PTP_V2_MM_ID_VERSION_NUMBER,                               "VERSION_NUMBER"},

    {PTP_V2_MM_ID_ENABLE_PORT,                                  "ENABLE_PORT"},

    {PTP_V2_MM_ID_DISABLE_PORT,                                 "DISABLE_PORT"},

    {PTP_V2_MM_ID_TIME,                                         "TIME"},

    {PTP_V2_MM_ID_CLOCK_ACCURACY,                               "CLOCK_ACCURACY"},

    {PTP_V2_MM_ID_UTC_PROPERTIES,                               "UTC_PROPERTIES"},

    {PTP_V2_MM_ID_TRACEABILITY_PROPERTIES,                      "TRACEABILITY_PROPERTIES"},

    {PTP_V2_MM_ID_TIMESCALE_PROPERTIES,                         "TIMESCALE_PROPERTIES"},

    {PTP_V2_MM_ID_UNICAST_NEGOTIATION_ENABLE,                   "UNICAST_NEGOTIATION_ENABLE"},

    {PTP_V2_MM_ID_PATH_TRACE_LIST,                              "PATH_TRACE_LIST"},

    {PTP_V2_MM_ID_PATH_TRACE_ENABLE,                            "PATH_TRACE_ENABLE"},

    {PTP_V2_MM_ID_GRANDMASTER_CLUSTER_TABLE,                    "GRANDMASTER_CLUSTER_TABLE"},

    {PTP_V2_MM_ID_UNICAST_MASTER_TABLE,                         "UNICAST_MASTER_TABLE"},

    {PTP_V2_MM_ID_UNICAST_MASTER_MAX_TABLE_SIZE,                "UNICAST_MASTER_MAX_TABLE_SIZE"},

    {PTP_V2_MM_ID_ACCEPTABLE_MASTER_TABLE,                      "ACCEPTABLE_MASTER_TABLE"},

    {PTP_V2_MM_ID_ACCEPTABLE_MASTER_TABLE_ENABLED,              "ACCEPTABLE_MASTER_TABLE_ENABLED"},

    {PTP_V2_MM_ID_ACCEPTABLE_MASTER_MAX_TABLE_SIZE,             "ACCEPTABLE_MASTER_MAX_TABLE_SIZE"},

    {PTP_V2_MM_ID_ALTERNATE_MASTER,                             "ALTERNATE_MASTER"},

    {PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_ENABLE,                 "ALTERNATE_TIME_OFFSET_ENABLE"},

    {PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_NAME,                   "ALTERNATE_TIME_OFFSET_NAME"},

    {PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_MAX_KEY,                "ALTERNATE_TIME_OFFSET_MAX_KEY"},

    {PTP_V2_MM_ID_ALTERNATE_TIME_OFFSET_PROPERTIES,             "ALTERNATE_TIME_OFFSET_PROPERTIES"},

    {PTP_V2_MM_ID_EXTERNAL_PORT_CONFIGURATION_ENABLED,          "EXTERNAL_PORT_CONFIGURATION_ENABLED"},

    {PTP_V2_MM_ID_MASTER_ONLY,                                  "MASTER_ONLY"},

    {PTP_V2_MM_ID_HOLDOVER_UPGRADE_ENABLE,                      "HOLDOVER_UPGRADE_ENABLE"},

    {PTP_V2_MM_ID_EXT_PORT_CONFIG_PORT_DATA_SET,                "EXT_PORT_CONFIG_PORT_DATA_SET"},

    {PTP_V2_MM_ID_TC_DEFAULT_DATA_SET,                          "TC_DEFAULT_DATA_SET"},

    {PTP_V2_MM_ID_TC_PORT_DATA_SET,                             "TC_PORT_DATA_SET"},

    {PTP_V2_MM_ID_PRIMARY_DOMAIN,                               "PRIMARY_DOMAIN"},

    {PTP_V2_MM_ID_DELAY_MECHANISM,                              "DELAY_MECHANISM"},

    {PTP_V2_MM_ID_LOG_MIN_PDELAY_REQ_INTERVAL,                  "LOG_MIN_PDELAY_REQ_INTERVAL"},

    {0,                                                         NULL}

};

static value_string_ext ptp_v2_managementID_vals_ext = VALUE_STRING_EXT_INIT(ptp_v2_managementID_vals);

/* same again but better readable text for info column */

static const value_string ptp_v2_managementID_infocolumn_vals[] = {

    {PTP_V2_MM_ID_NULL_MANAGEMENT,                              "Null management"},

    {PTP_V2_MM_ID_CLOCK_DESCRIPTION,                            "Clock description"},

    {PTP_V2_MM_ID_USER_DESCRIPTION,                             "User description"},

    {PTP_V2_MM_ID_SAVE_IN_NON_VOLATILE_STORAGE,                 "Save in non volatile storage"},

    {PTP_V2_MM_ID_RESET_NON_VOLATILE_STORAGE,                   "Reset non volatile storage"},

    {PTP_V2_MM_ID_INITIALIZE,                                   "Initialize"},

    {PTP_V2_MM_ID_FAULT_LOG,                                    "Fault log"},