module ieee802-dot1as-gptp {

    yang-version 1.1;

    namespace
      "urn:ieee:std:802.1AS:yang:ieee802-dot1as-gptp";

    prefix dot1as-gptp;

    import ietf-yang-types {
      prefix yang;
    }
    import ieee1588-ptp-tt {
      prefix ptp-tt;
    }

    organization "IEEE 802.1 Working Group";

    contact
      "WG-URL: http://ieee802.org/1/
WG-EMail: stds-802-1-l@ieee.org

Contact: IEEE 802.1 Working Group Chair
	Postal: C/O IEEE 802.1 Working Group
	IEEE Standards Association
	445 Hoes Lane
	Piscataway, NJ 08854
	USA

E-mail: stds-802-1-chairs@ieee.org";

    description
      "Management objects that control timing and synchronization for time
sensitive applications, as specified in clause 14 of IEEE Std
802.1AS-2020-REV.

Copyright (C) IEEE (2025). This version of this YANG module is part
of IEEE Std 802.1AS-2020-REV; see the standard itself for full legal notices.";

    revision "2025-03-06" {
      description
        "Published as part of IEEE Std 802.1ASds-202X.";
      reference
        "IEEE Std 802.1AS - Timing and Synchronization for Time-Sensitive
        Applications: IEEE Std 802.1AS-2020-REV.
        IEEE Std 1588 - IEEE Standard for a Precision Clock Synchronization
        Protocol for Networked Measurement and Control Systems: IEEE Std
        1588-2019, IEEE Std 1588g-2022, IEEE Std 1588e-2024.";

    }


    typedef scaled-ns {
      type string {
        pattern
          '[0-9A-F]{2}(-[0-9A-F]{2}){11}';
      }
      description
        "The IEEE Std 802.1AS ScaledNs type represents signed values of
time and time interval in units of 2^16 ns, as a signed 96-bit
integer. Each of the 12 octets is represented as a pair of
hexadecimal characters, using uppercase for a letter. Octets are
separated by a dash character. The most significant octet is first.";
      reference
        "6.4.3.1 of IEEE Std 802.1AS";

    }

    typedef uscaled-ns {
      type string {
        pattern
          '[0-9A-F]{2}(-[0-9A-F]{2}){11}';
      }
      description
        "The IEEE Std 802.1AS UScaledNs type represents unsigned values of
time and time interval in units of 2^16 ns, as an unsigned 96-bit
integer. Each of the 12 octets is represented as a pair of
hexadecimal characters, using uppercase for a letter. Octets are
separated by a dash character. The most significant octet is first.";
      reference
        "6.4.3.2 of IEEE Std 802.1AS";

    }

    typedef float64 {
      type string {
        pattern
          '[0-9A-F]{2}(-[0-9A-F]{2}){7}';
      }
      description
        "The IEEE Std 802.1AS Float64 type represents IEEE Std 754
binary64. Each of the 8 octets is represented as a pair of
hexadecimal characters, using uppercase for a letter. Octets are
separated by a dash character. The most significant octet is first.";
      reference
        "6.4.2 of IEEE Std 802.1AS";

    }

    typedef uinteger48 {
      type uint64 {
        range "0..281474976710655";
      }
      description
        "48-bit unsigned integer data type.";
      reference
        "6.4.2 of IEEE Std 802.1AS";

    }

    augment /ptp-tt:ptp/ptp-tt:instances/ptp-tt:instance/ptp-tt:default-ds {
      description
        "Augment IEEE Std 1588 defaultDS.";
      leaf gm-capable {
        type boolean;
        config false;
        description
          "The value is true if the time-aware system is capable of being a
Grandmaster, and false if the time-aware system is not capable of
being a Grandmaster.";
        reference
          "14.2.7 of IEEE Std 802.1AS";

      }

      leaf current-utc-offset {
        when
          "../current-utc-offset-valid='true'";
        type int16;
        config false;
        description
          "Offset from UTC (TAI - UTC). The offset is in units of seconds.
This leaf applies to the ClockTimeTransmitter entity (i.e., local
only, unrelated to a remote GM).";
        reference
          "14.2.8 of IEEE Std 802.1AS";

      }

      leaf current-utc-offset-valid {
        type boolean;
        config false;
        description
          "The value of current-utc-offset-valid shall be true if the value
of current-utc-offset is known to be correct, otherwise it shall
be false. This leaf applies to the ClockTimeTransmitter entity
(i.e., local only, unrelated to a remote GM).";
        reference
          "14.2.9 of IEEE Std 802.1AS";

      }

      leaf leap59 {
        type boolean;
        config false;
        description
          "If the timescale is PTP, a true value for leap59 shall indicate
that the last minute of the current UTC day contains 59 seconds.
If the timescale is not PTP, the value shall be false. This leaf
applies to the ClockTimeTransmitter entity (i.e., local only,
unrelated to a remote GM).";
        reference
          "14.2.10 of IEEE Std 802.1AS";

      }

      leaf leap61 {
        type boolean;
        config false;
        description
          "If the timescale is PTP, a true value for leap61 shall indicate
that the last minute of the current UTC day contains 61 seconds.
If the timescale is not PTP, the value shall be false. This leaf
applies to the ClockTimeTransmitter entity (i.e., local only,
unrelated to a remote GM).";
        reference
          "14.2.11 of IEEE Std 802.1AS";

      }

      leaf time-traceable {
        type boolean;
        config false;
        description
          "The value of time-traceable shall be true if the timescale is
traceable to a primary reference; otherwise, the value shall be
false. This leaf applies to the ClockTimeTransmitter entity
(i.e., local only, unrelated to a remote GM).";
        reference
          "14.2.12 of IEEE Std 802.1AS";

      }

      leaf frequency-traceable {
        type boolean;
        config false;
        description
          "The value of frequency-traceable shall be true if the frequency
determining the timescale is traceable to a primary reference;
otherwise, the value shall be false. This leaf applies to the
ClockTimeTransmitter entity (i.e., local only, unrelated to a
remote GM).";
        reference
          "14.2.13 of IEEE Std 802.1AS";

      }

      leaf ptp-timescale {
        type boolean;
        config false;
        description
          "If ptp-timescale is true, the timescale of the
ClockTimeTransmitter entity is PTP, which is the elapsed time
since the PTP epoch measured using the second defined by
International Atomic Time (TAI). If ptp-timescale is false, the
timescale of the ClockTimeTransmitter entity is ARB, which is the
elapsed time since an arbitrary epoch. This leaf applies to the
ClockTimeTransmitter entity (i.e., local only, unrelated to a
remote GM).";
        reference
          "14.2.14 of IEEE Std 802.1AS";

      }

      leaf time-source {
        type identityref {
          base ptp-tt:time-source;
        }
        config false;
        description
          "The source of time used by the Grandmaster Clock. This leaf
applies to the ClockTimeTransmitter entity (i.e., local only,
unrelated to a remote GM).";
        reference
          "14.2.15 of IEEE Std 802.1AS";

      }
    }

    augment /ptp-tt:ptp/ptp-tt:instances/ptp-tt:instance/ptp-tt:current-ds {
      description
        "Augment IEEE Std 1588 currentDS.";
      leaf last-gm-phase-change {
        type scaled-ns;
        config false;
        description
          "Phase change that occurred on the most recent change in either
the Grandmaster PTP Instance or gm-timebase-indicator leaf.";
        reference
          "14.3.4 of IEEE Std 802.1AS";

      }

      leaf last-gm-freq-change {
        type float64;
        config false;
        description
          "Frequency change that occurred on the most recent change in
either the Grandmaster PTP Instance or gm-timebase-indicator
leaf.";
        reference
          "14.3.5 of IEEE Std 802.1AS";

      }

      leaf gm-timebase-indicator {
        type uint16;
        config false;
        description
          "The timeBaseIndicator of the current Grandmaster PTP Instance.";
        reference
          "14.3.6 of IEEE Std 802.1AS";

      }

      leaf gm-change-count {
        type yang:counter32;
        config false;
        description
          "This statistics counter tracks the number of times the
Grandmaster PTP Instance has changed in a gPTP domain.";
        reference
          "14.3.7 of IEEE Std 802.1AS";

      }

      leaf time-of-last-gm-change {
        type yang:timestamp;
        config false;
        description
          "System time when the most recent Grandmaster Clock change
occurred in a gPTP domain. This leaf's type is YANG timestamp,
which is based on system time. System time is an unsigned integer
in units of 10 milliseconds, using an epoch defined by the
implementation (typically time of boot-up).";
        reference
          "14.3.8 of IEEE Std 802.1AS";

      }

      leaf time-of-last-phase-change {
        type yang:timestamp;
        config false;
        description
          "System time when the most recent change in Grandmaster Clock
phase occurred. This leaf's type is YANG timestamp, which is
based on system time. System time is an unsigned integer in units
of 10 milliseconds, using an epoch defined by the implementation
(typically time of boot-up).";
        reference
          "14.3.9 of IEEE Std 802.1AS";

      }

      leaf time-of-last-freq-change {
        type yang:timestamp;
        config false;
        description
          "System time when the most recent change in Grandmaster Clock
frequency occurred. This leaf's type is YANG timestamp, which is
based on system time. System time is an unsigned integer in units
of 10 milliseconds, using an epoch defined by the implementation
(typically time of boot-up).";
        reference
          "14.3.10 of IEEE Std 802.1AS";

      }
    }

    augment /ptp-tt:ptp/ptp-tt:instances/ptp-tt:instance/ptp-tt:parent-ds {
      description
        "Augment IEEE Std 1588 parentDS.";
      leaf cumulative-rate-ratio {
        type int32;
        config false;
        description
          "Estimate of the ratio of the frequency of the Grandmaster Clock
to the frequency of the LocalClock entity of this PTP Instance.
cumulative-rate-ratio is expressed as the fractional frequency
offset multiplied by 2^41, i.e., the quantity (rateRatio -
1.0)(2^41).";
        reference
          "14.4.3 of IEEE Std 802.1AS";

      }
    }

    augment /ptp-tt:ptp/ptp-tt:instances/ptp-tt:instance/ptp-tt:ports/ptp-tt:port/ptp-tt:port-ds {
      description
        "Augment IEEE Std 1588 portDS.

14.10.4 of IEEE Std 802.1AS specifies ptpPortEnabled
(ptp-port-enabled), which is provided in YANG as the semantically
equivalent node in ieee1588-ptp-tt named port-enable (in port-ds).

14.10.15 of IEEE Std 802.1AS specifies
mgtSettableLogAnnounceInterval (mgt-log-announce-interval), which
is provided in YANG as the semantically equivalent node in
ieee1588-ptp-tt named log-announce-interval (in port-ds). In the
context of IEEE Std 802.1AS, log-announce-interval cannot be used
unless use-mgt-log-announce-interval is true.

14.10.20 of IEEE Std 802.1AS specifies mgtSettableLogSyncInterval
(mgt-log-sync-interval), which is provided in YANG as the
semantically equivalent node in ieee1588-ptp-tt named
log-sync-interval (in port-ds). In the context of IEEE Std 802.1AS,
log-sync-interval cannot be used unless use-mgt-log-sync-interval
is true.";
      leaf is-measuring-delay {
        type boolean;
        config false;
        description
          "Boolean that is true if the port is measuring PTP Link
propagation delay.";
        reference
          "14.10.6 of IEEE Std 802.1AS";

      }

      leaf as-capable {
        type boolean;
        config false;
        description
          "Boolean that is true if and only if it is determined that this
PTP Instance and the PTP Instance at the other end of the link
attached to this port can interoperate with each other via the
IEEE Std 802.1AS protocol.";
        reference
          "10.2.5.1 of IEEE Std 802.1AS
          14.10.7 of IEEE Std 802.1AS";

      }

      leaf mean-link-delay-thresh {
        type ptp-tt:time-interval;
        description
          "Propagation time threshold for mean-link-delay, above which a
port is not considered capable of participating in the IEEE Std
802.1AS protocol.";
        reference
          "14.10.9 of IEEE Std 802.1AS";

      }

      leaf neg-mean-link-delay-thresh {
        type ptp-tt:time-interval;
        description
          "The negative propagation time threshold for mean-link-delay,
below which a port is not considered capable of participating
in the IEEE Std 802.1AS protocol.";
        reference
          "14.10.10 of IEEE Std 802.1AS";

      }

      leaf neighbor-rate-ratio {
        type int32;
        config false;
        description
          "Estimate of the ratio of the frequency of the LocalClock entity
of the PTP Instance at the other end of the link attached to this
PTP Port, to the frequency of the LocalClock entity of this PTP
Instance. neighbor-rate-ratio is expressed as the fractional
frequency offset multiplied by 2^41, i.e., the quantity
(rateRatio - 1.0)(2^41).";
        reference
          "14.10.12 of IEEE Std 802.1AS";

      }

      leaf initial-log-announce-interval {
        type int8;
        description
          "When use-mgt-log-announce-interval is false (i.e., change with
Signaling message), this is the logarithm to base 2 of the
announce interval used when the port is initialized.";
        reference
          "14.10.13 of IEEE Std 802.1AS";

      }

      leaf current-log-announce-interval {
        type int8;
        config false;
        description
          "Logarithm to base 2 of the current announce interval.";
        reference
          "14.10.14 of IEEE Std 802.1AS";

      }

      leaf use-mgt-log-announce-interval {
        type boolean;
        description
          "Boolean that determines the source of the announce interval. If
the value is true, the announce interval
(current-log-announce-interval) is set equal to the value of
mgt-log-announce-interval. If the value is false, the announce
interval is determined by the AnnounceIntervalSetting state
machine (i.e., changed with Signaling message).";
        reference
          "14.10.15 of IEEE Std 802.1AS";

      }

      leaf initial-log-sync-interval {
        type int8;
        description
          "When use-mgt-log-sync-interval is false (i.e., change with
Signaling message), this is the logarithm to base 2 of the
sync interval used when the port is initialized.";
        reference
          "14.10.17 of IEEE Std 802.1AS";

      }

      leaf current-log-sync-interval {
        type int8;
        config false;
        description
          "Logarithm to base 2 of the current sync interval.";
        reference
          "14.10.18 of IEEE Std 802.1AS";

      }

      leaf use-mgt-log-sync-interval {
        type boolean;
        description
          "Boolean that determines the source of the sync interval. If the
value is true, the sync interval (current-log-sync-interval) is
set equal to the value of mgt-log-sync-interval. If the value is
false, the sync interval is determined by the SyncIntervalSetting
state machine (i.e., changed with Signaling message).";
        reference
          "14.10.19 of IEEE Std 802.1AS";

      }

      leaf sync-receipt-timeout {
        type uint8;
        description
          "Number of sync intervals that a timeReceiver port waits without
receiving synchronization information, before assuming that the
timeTransmitter is no longer transmitting synchronization
information and that the BTCA needs to be run, if appropriate.";
        reference
          "14.10.21 of IEEE Std 802.1AS";

      }

      leaf sync-receipt-timeout-interval {
        type uscaled-ns;
        config false;
        description
          "Time interval after which sync receipt timeout occurs if
time-synchronization information has not been received during the
interval.";
        reference
          "14.10.22 of IEEE Std 802.1AS";

      }

      leaf initial-log-pdelay-req-interval {
        type int8;
        description
          "When use-mgt-log-pdelay-req-interval is false (i.e., change with
Signaling message), this is the logarithm to base 2 of the
Pdelay_Req transmit interval used when the port is initialized.";
        reference
          "14.10.23 of IEEE Std 802.1AS";

      }

      leaf current-log-pdelay-req-interval {
        type int8;
        config false;
        description
          "Logarithm to base 2 of the current Pdelay_Req transmit interval.";
        reference
          "14.10.24 of IEEE Std 802.1AS";

      }

      leaf use-mgt-log-pdelay-req-interval {
        type boolean;
        description
          "Boolean that determines the source of the Pdelay_Req transmit
interval. If the value is true, the Pdelay_Req transmit interval
(current-log-pdelay-req-interval) is set equal to the value of
mgt-log-pdelay-req-interval. If the value is false, the
Pdelay_Req transmit interval is determined by the
LinkDelayIntervalSetting state machine (i.e., changed with
Signaling message).";
        reference
          "14.10.25 of IEEE Std 802.1AS";

      }

      leaf mgt-log-pdelay-req-interval {
        type int8;
        description
          "Logarithm to base 2 of the Pdelay_Req transmit interval, used if
use-mgt-log-pdelay-req-interval is true. This value is not used
if use-mgt-log-pdelay-req-interval is false.";
        reference
          "14.10.26 of IEEE Std 802.1AS";

      }

      leaf initial-log-gptp-cap-interval {
        type int8;
        description
          "When use-mgt-log-gptp-cap-interval is false (i.e., change with
Signaling message), this is the logarithm to base 2 of the
gPTP capable message interval used when the port is initialized.";
        reference
          "14.10.27 of IEEE Std 802.1AS";

      }

      leaf current-log-gptp-cap-interval {
        type int8;
        config false;
        description
          "Logarithm to base 2 of the current gPTP capable message
interval.";
        reference
          "14.10.28 of IEEE Std 802.1AS";

      }

      leaf use-mgt-log-gptp-cap-interval {
        type boolean;
        description
          "Boolean that determines the source of the gPTP capable message
interval. If the value is true, the gPTP capable message interval
(current-log-gptp-cap-interval) is set equal to the value of
mgt-gptp-cap-req-interval. If the value is false, the gPTP
capable message interval is determined by the
GptpCapableMessageIntervalSetting state machine (i.e., changed
with Signaling message).";
        reference
          "14.10.29 of IEEE Std 802.1AS";

      }

      leaf mgt-log-gptp-cap-interval {
        type int8;
        description
          "Logarithm to base 2 of the gPTP capable message interval, used
if use-mgt-log-gptp-cap-interval is true. This value is not used
if use-mgt-log-pdelay-req-interval is false.";
        reference
          "14.10.30 of IEEE Std 802.1AS";

      }

      leaf initial-compute-neighbor-rate-ratio {
        type boolean;
        description
          "When use-mgt-compute-neighbor-rate-ratio is false (i.e., change
with Signaling message), this is the initial value of
computeNeighborRateRatio.";
        reference
          "14.10.31 of IEEE Std 802.1AS";

      }

      leaf current-compute-neighbor-rate-ratio {
        type boolean;
        config false;
        description
          "Current value of computeNeighborRateRatio.";
        reference
          "14.10.32 of IEEE Std 802.1AS";

      }

      leaf use-mgt-compute-neighbor-rate-ratio {
        type boolean;
        description
          "Boolean that determines the source of computeNeighborRateRatio..
If the value is true, computeNeighborRateRatio is set equal to
the value of mgt-compute-neighbor-rate-ratio. If the value is
false, computeNeighborRateRatio is determined by the
LinkDelayIntervalSetting state machine (i.e., changed with
Signaling message).";
        reference
          "14.10.33 of IEEE Std 802.1AS";

      }

      leaf mgt-compute-neighbor-rate-ratio {
        type boolean;
        description
          "Value of computeNeighborRateRatio, used if
use-mgt-compute-neighbor-rate-ratio is true. This value is not
used if use-mgt-compute-neighbor-rate-ratio is false.";
        reference
          "14.10.34 of IEEE Std 802.1AS";

      }

      leaf initial-compute-mean-link-delay {
        type boolean;
        description
          "When use-mgt-compute-mean-link-delay is false (i.e., change with
Signaling message), this is the initial value of
computeMeanLinkDelay.";
        reference
          "14.10.35 of IEEE Std 802.1AS";

      }

      leaf current-compute-mean-link-delay {
        type boolean;
        config false;
        description
          "Current value of computeMeanLinkDelay.";
        reference
          "14.10.36 of IEEE Std 802.1AS";

      }

      leaf use-mgt-compute-mean-link-delay {
        type boolean;
        description
          "Boolean that determines the source of computeMeanLinkDelay. If
the value is true, computeMeanLinkDelay is set equal to the value
of mgt-compute-mean-link-delay. If the value is false,
computeMeanLinkDelay is determined by the
LinkDelayIntervalSetting state machine (i.e., changed with
Signaling message).";
        reference
          "14.10.37 of IEEE Std 802.1AS";

      }

      leaf mgt-compute-mean-link-delay {
        type boolean;
        description
          "Value of computeMeanLinkDelay, used if
use-mgt-compute-mean-link-delay is true. This value is not used
if use-mgt-compute-mean-link-delay is false.";
        reference
          "14.10.38 of IEEE Std 802.1AS";

      }

      leaf allowed-lost-responses {
        type uint8;
        description
          "Number of Pdelay_Req messages for which a valid response is not
received, above which a port is considered to not be exchanging
peer delay messages with its neighbor.";
        reference
          "14.10.39 of IEEE Std 802.1AS";

      }

      leaf allowed-faults {
        type uint8;
        description
          "Number of faults above which asCapable is set to false.";
        reference
          "14.10.40 of IEEE Std 802.1AS";

      }

      leaf gptp-cap-receipt-timeout {
        type uint8;
        description
          "Number of transmission intervals that a port waits without
receiving the gPTP capable TLV, before assuming that the neighbor
port is no longer invoking the gPTP protocol.";
        reference
          "14.10.41 of IEEE Std 802.1AS";

      }

      leaf nup {
        type float64;
        description
          "For an OLT port of an IEEE Std 802.3 EPON link, this value is
the effective index of refraction for the EPON upstream
wavelength light of the optical path.";
        reference
          "14.10.43 of IEEE Std 802.1AS";

      }

      leaf ndown {
        type float64;
        description
          "For an OLT port of an IEEE 802.3 EPON link, this value is the
effective index of refraction for the EPON downstream wavelength
light of the optical path.";
        reference
          "14.10.44 of IEEE Std 802.1AS";

      }

      leaf one-step-tx-oper {
        type boolean;
        config false;
        description
          "This value is true if the port is sending one-step Sync
messages, and false if the port is sending two-step Sync and
Follow-Up messages.";
        reference
          "14.10.45 of IEEE Std 802.1AS";

      }

      leaf one-step-receive {
        type boolean;
        config false;
        description
          "This value is true if the port is capable of receiving and
processing one-step Sync messages.";
        reference
          "14.10.46 of IEEE Std 802.1AS";

      }

      leaf one-step-transmit {
        type boolean;
        config false;
        description
          "This value is true if the port is capable of transmitting
one-step Sync messages.";
        reference
          "14.10.47 of IEEE Std 802.1AS";

      }

      leaf initial-one-step-tx-oper {
        type boolean;
        description
          "When use-mgt-one-step-tx-oper is false (i.e., change with
Signaling message), this is the initial value of
current-one-step-tx-oper.";
        reference
          "14.10.48 of IEEE Std 802.1AS";

      }

      leaf current-one-step-tx-oper {
        type boolean;
        config false;
        description
          "This value is true if the port is configured to transmit
one-step Sync messages, either via management
(mgt-one-step-tx-oper) or Signaling. If both
current-one-step-tx-oper and one-step-transmit are true, the port
transmits one-step Sync messages (i.e., one-step-tx-oper true).";
        reference
          "14.10.49 of IEEE Std 802.1AS";

      }

      leaf use-mgt-one-step-tx-oper {
        type boolean;
        description
          "Boolean that determines the source of current-one-step-tx-oper.
If the value is true, current-one-step-tx-oper is set equal to
the value of mgt-one-step-tx-oper. If the value is false,
current-one-step-tx-oper is determined by the
OneStepTxOperSetting state machine (i.e., changed with Signaling
message).";
        reference
          "14.10.50 of IEEE Std 802.1AS";

      }

      leaf mgt-one-step-tx-oper {
        type boolean;
        description
          "If use-mgt-one-step-tx-oper is true, current-one-step-tx-oper is
set equal to this value. This value is not used if
use-mgt-one-step-tx-oper is false.";
        reference
          "14.10.51 of IEEE Std 802.1AS";

      }

      leaf sync-locked {
        type boolean;
        config false;
        description
          "This value is true if the port will transmit a Sync as soon as
possible after the timeReceiver port receives a Sync message.";
        reference
          "14.10.52 of IEEE Std 802.1AS";

      }

      leaf-list pdelay-truncated-timestamps {
        type uinteger48;
        config false;
        description
          "For full-duplex IEEE Std 802.3 media, and CSN media that use the
peer-to-peer delay mechanism to measure path delay, the values of
the four elements of this leaf-list correspond to the timestamps
t1, t2, t3, and t4, listed in that order. Each timestamp is
expressed in units of 2^-16 ns (i.e., the value of each array
element is equal to the remainder obtained upon dividing the
respective timestamp, expressed in units of 2^-16 ns, by 2^48).
At any given time, the timestamp values stored in the array are
for the same, and most recently completed, peer delay message
exchange. For each timestamp, only 48-bits are valid (the upper
16-bits are always zero).";
        reference
          "14.10.53 of IEEE Std 802.1AS";

      }

      leaf pdelay-req-send-disabled {
        type boolean;
        description
          "A boolean that is administratively set to TRUE
if Pdelay_Req messages are not transmitted by this port.
The default value for this variable shall be FALSE.";
        reference
          "11.2.19.2.14 of IEEE Std 802.1ASds";

      }

      leaf pdelay-resp-send-disabled {
        type boolean;
        description
          "A boolean that is administratively set to TRUE
if Pdelay_Resp messages are not transmitted by this port.
The default value for this variable shall be FALSE.";
        reference
          "11.2.20.2.6 of IEEE Std 802.1ASds";

      }
    }

    augment /ptp-tt:ptp/ptp-tt:instances/ptp-tt:instance/ptp-tt:ports/ptp-tt:port {
      description
        "Augment to add port-statistics-ds to IEEE Std 1588 PTP Port.";
      container port-statistics-ds {
        description
          "Provides counters associated with the port of the PTP Instance.";
        reference
          "14.12 of IEEE Std 802.1AS";

        leaf rx-sync-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time synchronization information
is received.";
          reference
            "14.12.2 of IEEE Std 802.1AS";

        }

        leaf rx-one-step-sync-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a one-step Sync message is
received.";
          reference
            "14.12.3 of IEEE Std 802.1AS";

        }

        leaf rx-follow-up-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Follow_Up message is
received.";
          reference
            "14.12.4 of IEEE Std 802.1AS";

        }

        leaf rx-pdelay-req-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Pdelay_Req message is
received.";
          reference
            "14.12.5 of IEEE Std 802.1AS";

        }

        leaf rx-pdelay-resp-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Pdelay_Resp message is
received.";
          reference
            "14.12.6 of IEEE Std 802.1AS";

        }

        leaf rx-pdelay-resp-follow-up-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Pdelay_Resp_Follow_Up
message is received.";
          reference
            "14.12.7 of IEEE Std 802.1AS";

        }

        leaf rx-announce-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time an Announce message is
received.";
          reference
            "14.12.8 of IEEE Std 802.1AS";

        }

        leaf rx-packet-discard-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a PTP message of the
respective PTP Instance is discarded.";
          reference
            "14.12.9 of IEEE Std 802.1AS";

        }

        leaf sync-receipt-timeout-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a sync receipt timeout
occurs.";
          reference
            "14.12.10 of IEEE Std 802.1AS";

        }

        leaf announce-receipt-timeout-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time an announce receipt timeout
occurs.";
          reference
            "14.12.11 of IEEE Std 802.1AS";

        }

        leaf pdelay-allowed-lost-exceeded-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time the value of the variable
lostResponses exceeds the value of the variable
allowedLostResponses, in the RESET state of the MDPdelayReq
state machine.";
          reference
            "14.12.12 of IEEE Std 802.1AS";

        }

        leaf tx-sync-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time synchronization information
is transmitted.";
          reference
            "14.12.13 of IEEE Std 802.1AS";

        }

        leaf tx-one-step-sync-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a one-step Sync message is
transmitted.";
          reference
            "14.12.14 of IEEE Std 802.1AS";

        }

        leaf tx-follow-up-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Follow_Up message is
transmitted.";
          reference
            "14.12.15 of IEEE Std 802.1AS";

        }

        leaf tx-pdelay-req-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Pdelay_Req message is
transmitted.";
          reference
            "14.12.16 of IEEE Std 802.1AS";

        }

        leaf tx-pdelay-resp-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Pdelay_Resp message is
transmitted.";
          reference
            "14.12.17 of IEEE Std 802.1AS";

        }

        leaf tx-pdelay-resp-follow-up-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time a Pdelay_Resp_Follow_Up
message is transmitted.";
          reference
            "14.12.18 of IEEE Std 802.1AS";

        }

        leaf tx-announce-count {
          type yang:counter32;
          config false;
          description
            "Counter that increments every time an Announce message is
transmitted.";
          reference
            "14.12.19 of IEEE Std 802.1AS";

        }
      }  // container port-statistics-ds
    }

    augment /ptp-tt:ptp/ptp-tt:instances/ptp-tt:instance/ptp-tt:ports/ptp-tt:port {
      description
        "Augment to add asymmetry-measurement-mode-ds to IEEE Std 1588 PTP
Port.";
      container asymmetry-measurement-mode-ds {
        description
          "Represents the capability to enable/disable the Asymmetry
Compensation Measurement Procedure on a PTP Port. This data set
is used instead of the CMLDS asymmetry-measurement-mode-ds when
only a single PTP Instance is present (i.e., CMLDS is not used).";
        reference
          "14.15 of IEEE Std 802.1AS
          Annex G of IEEE Std 802.1AS";

        leaf enabled {
          type boolean;
          description
            "For full-duplex IEEE Std 802.3 media, the value is true if an
asymmetry measurement is being performed for the link attached
to this PTP Port, and false otherwise. For all other media, the
value shall be false.";
          reference
            "14.15.2 of IEEE Std 802.1AS";

        }
      }  // container asymmetry-measurement-mode-ds
    }

    augment /ptp-tt:ptp/ptp-tt:common-services/ptp-tt:cmlds/ptp-tt:ports/ptp-tt:port/ptp-tt:link-port-ds {
      description
        "Augment IEEE Std 1588 cmldsLinkPortDS.";
      leaf cmlds-link-port-enabled {
        type boolean;
        config false;
        description
          "Boolean that is true if both delay-mechanism is common-p2p and
the value of ptp-port-enabled is true, for at least one PTP Port
that uses the CMLDS; otherwise, the value is false.";
        reference
          "11.2.18.1 of IEEE Std 802.1AS
          14.18.3 of IEEE Std 802.1AS";

      }

      leaf is-measuring-delay {
        type boolean;
        config false;
        description
          "This leaf is analogous to is-measuring-delay for a PTP Port, but
applicable to this Link Port.";
        reference
          "14.18.4 of IEEE Std 802.1AS";

      }

      leaf as-capable-across-domains {
        type boolean;
        config false;
        description
          "This leaf is true when all PTP Instances (domains) for this Link
Port detect proper exchange of Pdelay messages.";
        reference
          "11.2.2 of IEEE Std 802.1AS
          14.18.5 of IEEE Std 802.1AS";

      }

      leaf mean-link-delay-thresh {
        type ptp-tt:time-interval;
        description
          "Propagation time threshold for mean-link-delay, above which a
Link Port is not considered capable of participating in the IEEE
Std 802.1AS protocol.";
        reference
          "14.18.7 of IEEE Std 802.1AS";

      }

      leaf neg-mean-link-delay-thresh {
        type ptp-tt:time-interval;
        description
          "The negative propagation time threshold for mean-link-delay,
below which a Link Port is not considered capable of
participating in the IEEE Std 802.1AS protocol.";
        reference
          "14.18.8 of IEEE Std 802.1AS";

      }

      leaf initial-log-pdelay-req-interval {
        type int8;
        description
          "This leaf is analogous to initial-log-pdelay-req-interval for a
PTP Port, but applicable to this Link Port.";
        reference
          "14.18.11 of IEEE Std 802.1AS";

      }

      leaf current-log-pdelay-req-interval {
        type int8;
        config false;
        description
          "This leaf is analogous to current-log-pdelay-req-interval for a
PTP Port, but applicable to this Link Port.";
        reference
          "14.18.12 of IEEE Std 802.1AS";

      }

      leaf use-mgt-log-pdelay-req-interval {
        type boolean;
        description
          "This leaf is analogous to use-mgt-log-pdelay-req-interval for a
PTP Port, but applicable to this Link Port.";
        reference
          "14.18.13 of IEEE Std 802.1AS";

      }

      leaf mgt-log-pdelay-req-interval {
        type int8;
        description
          "This leaf is analogous to mgt-log-pdelay-req-interval for a PTP
Port, but applicable to this Link Port.";
        reference
          "14.18.14 of IEEE Std 802.1AS";

      }

      leaf initial-compute-neighbor-rate-ratio {
        type boolean;
        description
          "This leaf is analogous to initial-compute-neighbor-rate-ratio
for a PTP Port, but applicable to this Link Port.";
        reference
          "14.18.15 of IEEE Std 802.1AS";

      }

      leaf current-compute-neighbor-rate-ratio {
        type boolean;
        config false;
        description
          "This leaf is analogous to current-compute-neighbor-rate-ratio
for a PTP Port, but applicable to this Link Port.";
        reference
          "14.18.16 of IEEE Std 802.1AS";

      }

      leaf use-mgt-compute-neighbor-rate-ratio {
        type boolean;
        description
          "This leaf is analogous to use-mgt-compute-neighbor-rate-ratio
for a PTP Port, but applicable to this Link Port.";
        reference
          "14.18.17 of IEEE Std 802.1AS";

      }

      leaf mgt-compute-neighbor-rate-ratio {
        type boolean;
        description
          "This leaf is analogous to mgt-compute-neighbor-rate-ratio for a
PTP Port, but applicable to this Link Port.";
        reference
          "14.18.18 of IEEE Std 802.1AS";

      }

      leaf initial-compute-mean-link-delay {
        type boolean;
        description
          "This leaf is analogous to initial-compute-mean-link-delay for a
PTP Port, but applicable to this Link Port.";
        reference
          "14.18.19 of IEEE Std 802.1AS";

      }

      leaf current-compute-mean-link-delay {
        type boolean;
        config false;
        description
          "This leaf is analogous to current-compute-mean-link-delay for a
PTP Port, but applicable to this Link Port.";
        reference
          "14.18.20 of IEEE Std 802.1AS";

      }

      leaf use-mgt-compute-mean-link-delay {
        type boolean;
        description
          "This leaf is analogous to use-mgt-compute-mean-link-delay for a
PTP Port, but applicable to this Link Port.";
        reference
          "14.18.21 of IEEE Std 802.1AS";

      }

      leaf mgt-compute-mean-link-delay {
        type boolean;
        description
          "This leaf is analogous to mgt-compute-mean-link-delay for a PTP
Port, but applicable to this Link Port.";
        reference
          "14.18.22 of IEEE Std 802.1AS";

      }

      leaf allowed-lost-responses {
        type uint8;
        description
          "This leaf is analogous to allowed-lost-responses for a PTP Port,
but applicable to this Link Port.";
        reference
          "14.18.23 of IEEE Std 802.1AS";

      }

      leaf allowed-faults {
        type uint8;
        description
          "This leaf is analogous to allowed-faults for a PTP Port, but
applicable to this Link Port.";
        reference
          "14.18.24 of IEEE Std 802.1AS";

      }

      leaf-list pdelay-truncated-timestamps {
        type uinteger48;
        config false;
        description
          "This leaf is analogous to pdelay-truncated-timestamps for a PTP
Port, but applicable to this Link Port.";
        reference
          "14.18.26 of IEEE Std 802.1AS";

      }
    }

    augment /ptp-tt:ptp/ptp-tt:common-services/ptp-tt:cmlds/ptp-tt:ports/ptp-tt:port {
      description
        "Augment to add port-statistics-ds to IEEE Std 1588 Link Port.";
      container port-statistics-ds {
        description
          "This container is analogous to port-statistics-ds for a PTP
Port, but applicable to this Link Port.";
        reference
          "14.19 of IEEE Std 802.1AS";

        leaf rx-pdelay-req-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to rx-pdelay-req-count for a PTP Port,
but applicable to this Link Port.";
          reference
            "14.19.2 of IEEE Std 802.1AS";

        }

        leaf rx-pdelay-resp-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to rx-pdelay-resp-count for a PTP Port,
but applicable to this Link Port.";
          reference
            "14.19.3 of IEEE Std 802.1AS";

        }

        leaf rx-pdelay-resp-follow-up-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to rx-pdelay-resp-follow-up-count for a
PTP Port, but applicable to this Link Port.";
          reference
            "14.19.4 of IEEE Std 802.1AS";

        }

        leaf rx-packet-discard-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to rx-packet-discard-count for a PTP
Port, but applicable to this Link Port.";
          reference
            "14.19.5 of IEEE Std 802.1AS";

        }

        leaf pdelay-allowed-lost-exceeded-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to pdelay-allowed-lost-exceeded-count
for a PTP Port, but applicable to this Link Port.";
          reference
            "14.19.6 of IEEE Std 802.1AS";

        }

        leaf tx-pdelay-req-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to tx-pdelay-req-count for a PTP Port,
but applicable to this Link Port.";
          reference
            "14.19.7 of IEEE Std 802.1AS";

        }

        leaf tx-pdelay-resp-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to tx-pdelay-resp-count for a PTP Port,
but applicable to this Link Port.";
          reference
            "14.19.8 of IEEE Std 802.1AS";

        }

        leaf tx-pdelay-resp-follow-up-count {
          type yang:counter32;
          config false;
          description
            "This leaf is analogous to tx-pdelay-resp-follow-up-count for a
PTP Port, but applicable to this Link Port.";
          reference
            "14.19.10 of IEEE Std 802.1AS";

        }
      }  // container port-statistics-ds
    }

    augment /ptp-tt:ptp/ptp-tt:common-services/ptp-tt:cmlds/ptp-tt:ports/ptp-tt:port {
      description
        "Augment to add asymmetry-measurement-mode-ds to IEEE Std 1588 Link
Port.";
      container asymmetry-measurement-mode-ds {
        description
          "This container is analogous to asymmetry-measurement-mode-ds for
a PTP Port, but applicable to this Link Port.";
        reference
          "14.20 of IEEE Std 802.1AS";

        leaf enabled {
          type boolean;
          description
            "This leaf is analogous to
asymmetry-measurement-mode-ds.enabled for a PTP Port, but
applicable to this Link Port.";
          reference
            "14.20.2 of IEEE Std 802.1AS";

        }
      }  // container asymmetry-measurement-mode-ds
    }
  }  // module ieee802-dot1as-gptp