module huawei-clocksync-ptpadapt {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-clocksync-ptpadapt";

    prefix clocksync-ptpadapt;

    import ietf-inet-types {
      prefix inet;
    }
    import huawei-network-instance {
      prefix ni;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-extension {
      prefix ext;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
     Bantian, Longgang
     Shenzhen 518129
     People's Republic of China
     Website: http://www.huawei.com
     Email: support@huawei.com";

    description
      "Ptp-adaptive data model define.";

    revision "2020-03-19" {
      description
        "Optimize the must condition of nego-mode and hop-by-hop-mode node.";
      reference
        "Huawei private.";

    }

    revision "2020-03-14" {
      description "Fixed a problem.";
      reference
        "Huawei private.";

    }

    revision "2020-03-04" {
      description
        "Modify the node description.";
      reference
        "Huawei private.";

    }

    revision "2019-12-25" {
      description
        "Add reset-ptpa-server-pkt, reset-ptpa-server-pkt action node.";
      reference
        "Huawei private.";

    }

    revision "2019-05-06" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "clksync";

    typedef server-index {
      type enumeration {
        enum "server1" {
          value 1;
          description "Server1.";
        }
        enum "server2" {
          value 2;
          description "Server2.";
        }
      }
      description "Server index.";
    }

    typedef ptpa-nego-mode {
      type enumeration {
        enum "one-way" {
          value 1;
          description
            "Negotiation mode is one-way.";
        }
        enum "two-way" {
          value 2;
          description
            "Negotiation mode is two-way.";
        }
        enum "acr" {
          value 3;
          description
            "Negotiation mode acr.";
        }
        enum "atr" {
          value 4;
          description
            "Negotiation mode is atr.";
        }
        enum "none" {
          value 99;
          description
            "Negotiation mode is none.";
        }
      }
      description "Negotiation mode type.";
    }

    typedef ptpa-device-type {
      type enumeration {
        enum "none" {
          value 99;
          description "Device type is none.";
        }
        enum "client" {
          value 2;
          description
            "Device type is client.";
        }
        enum "server" {
          value 3;
          description
            "Device type is server.";
        }
        enum "server-and-client" {
          value 4;
          description
            "Device type is server and client.";
        }
      }
      description "Device type.";
    }

    typedef ptpa-freq-profile {
      type enumeration {
        enum "part" {
          value 0;
          description "Freqprofile is part.";
        }
        enum "all" {
          value 1;
          description "Freqprofile is all.";
        }
        enum "timeprofile" {
          value 2;
          description
            "Freqprofile is timeprofile.";
        }
      }
      description "Freqprofile type.";
    }

    typedef port-state {
      type enumeration {
        enum "master" {
          value 0;
          description
            "Port state is master.";
        }
        enum "slave" {
          value 1;
          description "Port state is slave.";
        }
        enum "passive" {
          value 2;
          description
            "Port state is passive.";
        }
        enum "listening" {
          value 3;
          description
            "Port state is listening.";
        }
      }
      description "Port state type.";
    }

    typedef ptpa-nego-state {
      type enumeration {
        enum "init" {
          value 0;
          description
            "Negotiation state is init.";
        }
        enum "success" {
          value 1;
          description
            "Negotiation state is success.";
        }
        enum "error" {
          value 2;
          description
            "Negotiation state is error.";
        }
        enum "none" {
          value 3;
          description
            "Negotiation state is none.";
        }
      }
      description "Negotiation state type.";
    }

    typedef ptpa-nego-error-reason {
      type enumeration {
        enum "delete-link" {
          value 2;
          description "Delete-link.";
        }
        enum "announce-timeout" {
          value 3;
          description "Announce-timeout.";
        }
        enum "announce-nego-timeout" {
          value 4;
          description
            "Announce-nego-timeout.";
        }
        enum "announce-nego-deny" {
          value 5;
          description "Announce-nego-deny.";
        }
        enum "sync-nego-failed" {
          value 6;
          description "Sync-nego-failed.";
        }
        enum "sync-nego-deny" {
          value 7;
          description "Sync-nego-deny.";
        }
        enum "delay-resp-nego-timeout" {
          value 8;
          description
            "Delayr-esp-nego-timeout.";
        }
        enum "delay-resp-nego-deny" {
          value 9;
          description
            "Delay-resp-nego-deny.";
        }
        enum "if-cannot-support-ptp" {
          value 10;
          description
            "If-cannot-support-ptp.";
        }
        enum "service-mode-notsupport-ptp" {
          value 11;
          description
            "Service-mode-notsupport-ptp.";
        }
        enum "route-unreach" {
          value 12;
          description "Route-unreach.";
        }
        enum "bmc-failed" {
          value 13;
          description "Bmc-failed.";
        }
        enum "master-synchronization-fault" {
          value 14;
          description
            "Master-synchronization-fault.";
        }
        enum "none" {
          value 15;
          description "None.";
        }
      }
      description
        "Negotiation error reason.";
    }

    typedef ptpa-server-ptsf-state {
      type enumeration {
        enum "normal" {
          value 1;
          description
            "PTSF state is normal.";
        }
        enum "abnormal" {
          value 0;
          description
            "PTSF state is abnormal.";
        }
      }
      description "PTSF state type.";
    }

    typedef phy-ssm-level {
      type enumeration {
        enum "none" {
          value 16;
          description "NONE.";
        }
        enum "prc" {
          value 2;
          description "PRC.";
        }
        enum "ssua" {
          value 4;
          description "SSUA.";
        }
        enum "ssub" {
          value 8;
          description "SSUB.";
        }
        enum "sec" {
          value 11;
          description "SEC.";
        }
        enum "dnu" {
          value 15;
          description "DNU.";
        }
        enum "unk" {
          value 0;
          description "UNK.";
        }
      }
      description "Ssm level.";
    }

    typedef ptp-time-source {
      type enumeration {
        enum "atomicclock" {
          value 16;
          description "Atomicclock.";
        }
        enum "gps" {
          value 32;
          description "Gps.";
        }
        enum "terrestrialradio" {
          value 48;
          description "Terrestrialradio.";
        }
        enum "ptp" {
          value 64;
          description "Ptp.";
        }
        enum "ntp" {
          value 80;
          description "Ntp.";
        }
        enum "handset" {
          value 96;
          description "Handset.";
        }
        enum "other" {
          value 144;
          description "Other.";
        }
        enum "internaloscillator" {
          value 160;
          description "Internaloscillator.";
        }
      }
      description "Type of ptp time source.";
    }

    typedef ptp-sign-flag {
      type enumeration {
        enum "negative" {
          value 0;
          description "Negative.";
        }
        enum "positive" {
          value 1;
          description "Positive.";
        }
      }
      description "Flag of ptp sign.";
    }

    typedef ptpa-trace-source {
      type enumeration {
        enum "local" {
          value 0;
          description "Local.";
        }
        enum "server1" {
          value 1;
          description "Server1.";
        }
        enum "server2" {
          value 2;
          description "Server2.";
        }
        enum "vport1" {
          value 3;
          description "Vport1.";
        }
        enum "vport2" {
          value 4;
          description "Vport2.";
        }
      }
      description "Ptpa trace source type.";
    }

    container clocksync-ptpadapt {
      description
        "Module of adaptive clock.";
      container ptpa-common {
        description
          "Configure basic information of adaptive clock.";
        leaf enable {
          type boolean;
          default "false";
          description
            "Enable/disable adaptive clock. When the master does not support PTP, the router that enables adaptive clock can retrieve clock information from the server's PTP packets.";
        }

        leaf device-type {
          when "(../enable='true')";
          type ptpa-device-type;
          default "none";
          description
            "Configure the router to work in client or server mode.";
        }

        leaf nego-mode {
          when
            "(../enable='true' and ../device-type!='none')";
          type ptpa-nego-mode;
          must
            "../enable='true' and ((../device-type='server' and ((((../nego-mode='acr' and ../freq-profile!='timeprofile') or (../nego-mode='atr' and ../freq-profile='timeprofile')) and ../local-ip!='0.0.0.0') or ../nego-mode='none')) or (../device-type='client' and (((((../nego-mode='one-way' or ../nego-mode='two-way') and ../freq-profile!='timeprofile') or (../nego-mode='atr' and ../freq-profile='timeprofile')) and ../local-ip!='0.0.0.0') or ../nego-mode='none')) or (../device-type='server-and-client' and ((../nego-mode='atr' and ../freq-profile='timeprofile') or (../nego-mode='none' and ../freq-profile!='all'))))";
          default "none";
          description
            "Enable or disable PTP adaptive ACR/ATR unicast negotiation.";
        }

        leaf dscp {
          when "(../enable='true')";
          type int32 {
            range "0..63";
          }
          default "56";
          description
            "Configure QoS priority of ptp-adaptive packet.";
        }

        leaf domain {
          ext:dynamic-default {
            ext:default-value "0" {
              when "(../freq-profile='part')";
              description "The default value is 0 when freq-profile is part.";
            }
            ext:default-value "4" {
              when "(../freq-profile='all' and ../device-type!='server-and-client')";
              description "The default value is 4 when freq-profile is all.";
            }
            ext:default-value "44" {
              when "(../freq-profile='timeprofile')";
              description "The default value is 44 when freq-profile is timeprofile.";
            }
          }
          when "(../enable='true')";
          type uint32 {
            range "0..255";
          }
          must
            "(../freq-profile='part' and (../domain>=0 and ../domain<=255)) or (../freq-profile='all' and ../device-type!='server-and-client' and (../domain>=4 and ../domain<=23)) or (../freq-profile='timeprofile' and (../domain>=44 and ../domain<=63))";
          description
            "Configure ptp-adaptive device domain. While profile is configured as 'Support Partly', the default domain value is 0 and domain range is <0-255>. While profile is configured as 'Partly', the default domain value is 4 and domain range is <4-43>.While profile is configured as 'Time Synchronization Protocol', the default domain value is 44 and domain range is <44-63>.";
        }

        leaf local-ip {
          when "(../enable='true')";
          type inet:ipv4-address-no-zone;
          default "0.0.0.0";
          description
            "Local IP address that the client uses for Layer 3 unicast negotiation.";
        }

        leaf req-ann-interval {
          ext:dynamic-default {
            ext:default-value "10" {
              when "(../freq-profile='timeprofile')";
              description "The default value is 10 when freq-profile is timeprofile.";
            }
            ext:default-value "11" {
              when "(../freq-profile='part' or ../freq-profile='all')";
              description "The default value is 11 when freq-profile is part or all.";
            }
          }
          when
            "(../device-type!='server' and ../enable='true')";
          type int32 {
            range "7..14";
          }
          must
            "(../freq-profile!='timeprofile' and (../req-ann-interval>=7 and ../req-ann-interval<=14)) or (../freq-profile='timeprofile' and (../req-ann-interval>=7 and ../req-ann-interval<=10))";
          description
            "Interval at which Announce packets are sent by the client to the server. The calculation formula for the interval in seconds is (2 to the power of interval/1024)s.";
        }

        leaf req-sync-interval {
          when
            "(../device-type!='server' and ../enable='true')";
          type int32 {
            range "3..14";
          }
          must
            "(../freq-profile!='timeprofile' and (../req-sync-interval>=3 and ../req-sync-interval<=14)) or (../freq-profile='timeprofile' and (../req-sync-interval>=3 and ../req-sync-interval<=10))";
          default "3";
          description
            "Interval at which Sync packets are sent by the client to the server. The calculation formula for the interval in seconds is (2 to the power of interval/1024)s.";
        }

        leaf req-dly-resp-interval {
          when
            "(../device-type!='server' and ../enable='true')";
          type int32 {
            range "3..14";
          }
          must
            "(../freq-profile!='timeprofile' and (../req-dly-resp-interval>=3 and ../req-dly-resp-interval<=14)) or (../freq-profile='timeprofile' and (../req-dly-resp-interval>=3 and ../req-dly-resp-interval<=10))";
          default "3";
          description
            "Interval at which DelayResp packets are sent by the client to the server. The calculation formula for the interval in seconds is (2 to the power of interval/1024)s.";
        }

        leaf ann-recv-timeout {
          when
            "(../device-type!='server' and ../enable='true')";
          type int32 {
            range "2..255";
          }
          default "3";
          description
            "Number of times Announce packet receiving times out on the client.";
        }

        leaf ann-duration {
          when
            "(../device-type!='server' and ../enable='true')";
          type int32 {
            range "60..1000";
          }
          units "s";
          default "300";
          description
            "Duration for continuously sending Announce packets.";
        }

        leaf sync-duration {
          when
            "(../device-type!='server' and ../enable='true')";
          type int32 {
            range "60..1000";
          }
          units "s";
          default "300";
          description
            "Duration in which Sync packets are continuously sent.";
        }

        leaf dly-resp-duration {
          when
            "(../device-type!='server' and ../enable='true')";
          type int32 {
            range "60..1000";
          }
          units "s";
          default "300";
          description
            "Duration in which Delay-Resp packets are continuously sent.";
        }

        leaf trace-source {
          type ptpa-trace-source;
          config false;
          description
            "Current tracing source of the client.";
        }

        leaf freq-profile {
          when "(../enable='true')";
          type ptpa-freq-profile;
          default "part";
          description
            "By default, ITU-T G.8265.1 is partially supported. You can configure total support for G.8265.1 or G.8275.2.";
        }

        leaf vpn-instance {
          when "(../enable='true')";
          type leafref {
            path "/ni:network-instance/ni:instances/ni:instance/ni:name";
          }
          description
            "Configure or cancel the VPN instance name bound to the Loopback interface.";
        }

        leaf hop-by-hop-mode {
          when
            "((../device-type='none' or ../device-type='client') and ../enable='true' and ../freq-profile='timeprofile')";
          type boolean;
          default "false";
          description
            "Enable/disable 1588 ATR clock hop-by-hop mode.";
        }
      }  // container ptpa-common

      container ptpa-servers {
        when
          "(../ptpa-common/device-type='client' and ../ptpa-common/enable='true')";
        description
          "List of configure information about the remote server on which negotiation with the client is established.";
        list ptpa-server {
          ext:generated-by "system";
          ext:operation-exclude "create";
          key "server-index";
          unique "server-ip";
          description
            "Configure information about the remote server on which negotiation with the client is established.";
          leaf server-index {
            type server-index;
            description
              "Index of the server, which is used to identify a server.";
          }

          leaf server-ip {
            type inet:ipv4-address-no-zone;
            must "../server-ip!='0.0.0.0'";
            description
              "IP address of the server.";
          }

          leaf is-cur-trace-source {
            type boolean;
            default "false";
            config false;
            description
              "Current tracing source of the client.";
          }

          leaf clock-id {
            type string {
              length "1..50";
            }
            config false;
            description
              "ID of the clock source on the server side.";
          }

          leaf nego-state {
            type ptpa-nego-state;
            config false;
            description
              "State negotiated with server.";
          }

          leaf error-reason {
            type ptpa-nego-error-reason;
            config false;
            description
              "Cause of the clock negotiation failure.";
          }

          container bmc-attr {
            config false;
            description
              "Statistics of PTP adaptive clock attributes when the PTP frequency profile is not configured.";
            leaf priority1 {
              type uint32;
              default "128";
              config false;
              description
                "Priority1 of the adaptive clock server.";
            }

            leaf priority2 {
              type uint32;
              default "128";
              config false;
              description
                "Priority2 of the adaptive clock server.";
            }

            leaf clock-class {
              type uint32;
              default "187";
              config false;
              description
                "Quality level of the server clock.";
            }

            leaf clock-accuracy {
              type uint32;
              default "49";
              config false;
              description
                "Accuracy of the clock server.";
            }

            leaf time-source {
              type ptp-time-source;
              default "internaloscillator";
              config false;
              description
                "Clock source type of the adaptive clock server.";
            }

            leaf ptp-sync-uncertain {
              type boolean;
              default "false";
              config false;
              description
                "Synchronization uncertain status of the adaptive clock source.";
            }
          }  // container bmc-attr

          container bmca-attr {
            config false;
            description
              "Statistics of PTP adaptive attributes when we configure ptp frequency profile.";
            leaf server-ssm {
              type phy-ssm-level;
              default "unk";
              config false;
              description
                "SSM level converted from the accuracy of clock signals received by the server.";
            }

            leaf server-priority {
              type uint32;
              default "1";
              config false;
              description
                "Priority of a server. Server1's priority is 1, and Server2's priority is 2.";
            }

            leaf server-ptsf {
              type ptpa-server-ptsf-state;
              default "abnormal";
              config false;
              description
                "Packet timing signals fail.";
            }
          }  // container bmca-attr

          leaf parent-clockid {
            type string {
              length "1..50";
            }
            config false;
            description
              "Clock ID of the clock server.";
          }

          leaf parent-port-num {
            type uint32;
            config false;
            description
              "Port number of the clock server.";
          }

          leaf two-step-flag {
            type boolean;
            default "false";
            config false;
            description
              "Two-step flag of clock source Sync packets.";
          }

          leaf steps-removed {
            type uint32;
            config false;
            description
              "Number of hops to the clock source.";
          }

          leaf time-scale {
            type uint32;
            config false;
            description
              "Time scale of the clock source.";
          }

          leaf offset-scaled {
            type uint32;
            config false;
            description
              "Stability of the clock source.";
          }

          leaf time-traceable {
            type boolean;
            default "false";
            config false;
            description
              "Time tracing status at the server side.";
          }

          leaf frequency-traceable {
            type boolean;
            default "false";
            config false;
            description
              "Frequency tracing status at the server side.";
          }

          leaf loss-announce {
            type boolean;
            default "false";
            config false;
            description
              "Announce packet loss status at the server side.";
          }

          leaf loss-sync {
            type boolean;
            default "false";
            config false;
            description
              "Sync packet loss status at the server side.";
          }

          leaf loss-followup {
            type boolean;
            default "false";
            config false;
            description
              "Follow_Up packet loss status at the server side.";
          }

          leaf loss-resp {
            type boolean;
            default "false";
            config false;
            description
              "Resp packet loss status at the server side.";
          }

          leaf ptsf-unusable {
            type boolean;
            default "false";
            config false;
            description "PTSF unusable.";
          }

          container server-pkt-statistics {
            config false;
            description
              "Client-side packet statistics.";
            leaf rev-signal {
              type uint32;
              config false;
              description
                "Number of received signaling packets.";
            }

            leaf rev-announce {
              type uint32;
              config false;
              description
                "Number of received Announce packets.";
            }

            leaf rev-sync {
              type uint32;
              config false;
              description
                "Number of received Sync packets.";
            }

            leaf rev-delay-resp {
              type uint32;
              config false;
              description
                "Number of received Delay_Resp packets.";
            }

            leaf rev-followup {
              type uint32;
              config false;
              description
                "Number of received Follow_Up packets.";
            }

            leaf send-signal {
              type uint32;
              config false;
              description
                "Number of sent signaling packets.";
            }

            leaf send-delay-req {
              type uint32;
              config false;
              description
                "Number of sent Delay_Req packets.";
            }

            leaf discard-signal {
              type uint32;
              config false;
              description
                "Number of dropped signaling packets.";
            }

            leaf discard-announce {
              type uint32;
              config false;
              description
                "Number of dropped Announce packets.";
            }

            leaf discard-sync {
              type uint32;
              config false;
              description
                "Number of dropped Sync packets.";
            }

            leaf discard-delay-resp {
              type uint32;
              config false;
              description
                "Number of dropped Delay_Resp packets.";
            }

            leaf discard-followup {
              type uint32;
              config false;
              description
                "Number of dropped Follow_Up packets.";
            }
          }  // container server-pkt-statistics

          container asym-correction {
            description
              "Configure information about asymmetric delay correction.";
            leaf asym-corr-flag {
              type ptp-sign-flag;
              default "negative";
              description
                "Asymmetric delay correction mode, including positive correction and negative correction.";
            }

            leaf asym-corr-value {
              type uint32 {
                range "0..2000000";
              }
              units "ns";
              description
                "Asymmetric delay correction value.";
            }

            leaf correction {
              type int32;
              default "0";
              config false;
              description
                "Automatically measured asymmetric delay correction value. This is a 1588 ATR feature. When link asymmetry exists, the asymmetric delay correction value needs to be measured manually.";
            }
          }  // container asym-correction
        }  // list ptpa-server
      }  // container ptpa-servers

      container ptpa-clients {
        config false;
        description
          "List of statistics of adaptive clock client information.";
        list ptpa-client {
          key "client-id";
          config false;
          description
            "Statistics of adaptive clock client information.";
          leaf client-id {
            type uint32;
            config false;
            description
              "Index of a client, which is used to identify the client.";
          }

          leaf client-ip {
            type inet:ipv4-address-no-zone;
            config false;
            description "Client IP address.";
          }

          leaf clockid {
            type string {
              length "1..50";
            }
            config false;
            description
              "ID of the clock source on the client side.";
          }

          leaf nego-mode {
            type ptpa-nego-mode;
            config false;
            description
              "Negotiation mode between server and client.";
          }

          leaf ann-interval {
            type string {
              length "1..50";
            }
            config false;
            description
              "Interval at which the server sends Announce packets to the client.";
          }

          leaf sync-interval {
            type string {
              length "1..50";
            }
            config false;
            description
              "Interval at which Sync packets are sent by the server to the client.";
          }

          leaf dly-resp-interval {
            type string {
              length "1..50";
            }
            config false;
            description
              "Interval at which Delay-Resp packets are sent from the server to the client.";
          }

          leaf ann-duration {
            type int32 {
              range "60..1000";
            }
            default "300";
            config false;
            description
              "Duration in which the server continuously sends Announce packets to the client.";
          }

          leaf sync-duration {
            type int32 {
              range "60..1000";
            }
            default "300";
            config false;
            description
              "Duration in which Sync packets are continuously sent by the server to the client.";
          }

          leaf dly-resp-duration {
            type int32 {
              range "60..1000";
            }
            default "300";
            config false;
            description
              "Duration in which Delay-Resp packets are continuously sent by the server to the client.";
          }

          container client-pkt-statistics {
            config false;
            description
              "Statistics of various packets sent from the server.";
            leaf rev-signal {
              type uint32;
              config false;
              description
                "Statistics about the Signaling packets received by the server.";
            }

            leaf rev-delay-req {
              type uint32;
              config false;
              description
                "Statistics about the Delay_Resp packets received by the server.";
            }

            leaf send-signal {
              type uint32;
              config false;
              description
                "Statistics about the Signaling packets sent by the server.";
            }

            leaf send-announce {
              type uint32;
              config false;
              description
                "Statistics about the Announce packets sent by the server.";
            }

            leaf send-sync {
              type uint32;
              config false;
              description
                "Statistics about the Sync packets sent by the server.";
            }

            leaf send-delay-resp {
              type uint32;
              config false;
              description
                "Statistics about the Delay_Resp packets sent by the server.";
            }

            leaf discard-signal {
              type uint32;
              config false;
              description
                "Number of signaling packets dropped on the server.";
            }

            leaf discard-delay-req {
              type uint32;
              config false;
              description
                "Number of Delay_Req packets dropped on the server.";
            }
          }  // container client-pkt-statistics
        }  // list ptpa-client
      }  // container ptpa-clients

      container virtual-port-management {
        when
          "(../ptpa-common/device-type='server-and-client' and ../ptpa-common/enable='true')";
        description
          "Configure information about virtual ports.";
        container adaptive-virtual-ports {
          description
            "List of configure information about adaptive virtual ports.";
          list adaptive-virtual-port {
            key "port-id";
            unique "port-ip";
            description
              "Configure information about the virtual port which in the master, slave, or passive state can be adaptively determined.";
            leaf port-id {
              type uint32 {
                range "1..2";
              }
              description "The port ID.";
            }

            leaf port-ip {
              type inet:ipv4-address-no-zone;
              description
                "Port IP address that the device uses for Layer 3 unicast negotiation.";
            }

            leaf vpn-instance {
              when "../port-ip";
              type leafref {
                path "/ni:network-instance/ni:instances/ni:instance/ni:name";
              }
              default "_public_";
              description
                "Configure or cancel the VPN instance name.";
            }

            leaf remote-port-ip {
              type inet:ipv4-address-no-zone;
              description
                "Remote IP address of the port.";
            }

            leaf asym-correction-value {
              type int32 {
                range "-200000..200000";
              }
              default "0";
              description
                "Asymmetric delay correction value.";
            }

            leaf local-priority {
              type uint32 {
                range "1..255";
              }
              default "128";
              description
                "Local priority of the port.";
            }

            leaf bmca-port-state {
              type port-state;
              config false;
              description
                "Bmca state of the port.";
            }

            leaf nego-state {
              type ptpa-nego-state;
              config false;
              description
                "Negotiate state of the port.";
            }

            leaf clock-class {
              type uint32;
              config false;
              description
                "Quality level of the server clock.";
            }

            leaf clock-accuracy {
              type uint32;
              config false;
              description
                "Accuracy of the server clock.";
            }

            leaf priority2 {
              type uint32;
              config false;
              description
                "Priority2 of the adaptive server clock.";
            }
          }  // list adaptive-virtual-port
        }  // container adaptive-virtual-ports

        container server-virtual-ports {
          description
            "List of configure information about server virtual ports.";
          list server-virtual-port {
            key "port-id";
            unique "port-ip";
            description
              "Configure information about the virtual port which only in the master state.";
            leaf port-id {
              type uint32 {
                range "1..5";
              }
              description "The port ID.";
            }

            leaf port-ip {
              type inet:ipv4-address-no-zone;
              description
                "Port IP address that the device uses for Layer 3 unicast negotiation.";
            }

            leaf vpn-instance {
              when "../port-ip";
              type leafref {
                path "/ni:network-instance/ni:instances/ni:instance/ni:name";
              }
              default "_public_";
              description
                "Configure or cancel the VPN instance name.";
            }

            leaf client-number {
              type uint32;
              config false;
              description
                "Client count of the master-only-vport.";
            }

            container client-infos {
              config false;
              description
                "List of configure information about clients.";
              list client-info {
                key "client-id";
                description
                  "Statistics of adaptive clock client information.";
                leaf client-id {
                  type int32 {
                    range "1..255";
                  }
                  description
                    "Index of a client, which is used to identify the client.";
                }

                leaf client-ip {
                  type inet:ipv4-address-no-zone;
                  description
                    "Client IP address.";
                }

                leaf clock-id {
                  type string {
                    length "1..50";
                  }
                  description
                    "ID of the clock source on the client side.";
                }

                leaf nego-mode {
                  type ptpa-nego-mode;
                  description
                    "Negotiation mode between server and client.";
                }

                leaf ann-interval {
                  type string {
                    length "1..50";
                  }
                  description
                    "Interval at which the server sends announce packets to the client.";
                }

                leaf sync-interval {
                  type string {
                    length "1..50";
                  }
                  description
                    "Interval at which synchronization packets are sent by the server to the client.";
                }

                leaf dly-resp-interval {
                  type string {
                    length "1..50";
                  }
                  description
                    "Interval at which delay response packets are sent from the server to the client.";
                }

                leaf ann-duration {
                  type int32 {
                    range "60..1000";
                  }
                  description
                    "Duration in which the server continuously sends announce packets to the client.";
                }

                leaf sync-duration {
                  type int32 {
                    range "60..1000";
                  }
                  description
                    "Duration in which synchronization packets are continuously sent by the server to the client.";
                }

                leaf dly-resp-duration {
                  type int32 {
                    range "60..1000";
                  }
                  description
                    "Duration in which delay response packets are continuously sent by the server to the client.";
                }
              }  // list client-info
            }  // container client-infos
          }  // list server-virtual-port
        }  // container server-virtual-ports
      }  // container virtual-port-management
    }  // container clocksync-ptpadapt

    rpc reset-ptpa-server-pkt {
      ext:node-ref "/clocksync-ptpadapt:clocksync-ptpadapt/clocksync-ptpadapt:ptpa-servers/clocksync-ptpadapt:ptpa-server";
      description
        "Clear statistics, including packet and timestamp statistics.";
      input {
        leaf server-index {
          type server-index;
          description
            "Clear statistics, including packet and timestamp statistics.";
        }
      }
    }  // rpc reset-ptpa-server-pkt

    rpc reset-ptpa-client-pkt {
      ext:node-ref "/clocksync-ptpadapt:clocksync-ptpadapt/clocksync-ptpadapt:ptpa-clients/clocksync-ptpadapt:ptpa-client";
      description "Clear packet statistics.";
      input {
        leaf client-id {
          type uint32;
          description
            "Clear packet statistics.";
        }
      }
    }  // rpc reset-ptpa-client-pkt

    rpc reset-ptpa-pkt {
      description
        "Clear statistics, including packet and timestamp statistics.";
    }  // rpc reset-ptpa-pkt

    augment /ifm:ifm/ifm:interfaces/ifm:interface {
      description
        "Adaptive clock synchronization ports.";
      container ptpa-ports {
        description
          "Configure adaptive clock synchronization ports information.";
        container ptpa-port {
          description
            "Configure adaptive synchronization port information.";
          leaf ptp-atr-en {
            type boolean;
            default "false";
            description
              "Enable/disable ATR for a port.";
          }
        }  // container ptpa-port
      }  // container ptpa-ports
    }
  }  // module huawei-clocksync-ptpadapt