module huawei-lspic-mp {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-lspic-mp";

    prefix lspic-mp;

    import huawei-ifm {
      prefix ifm;
    }
    import huawei-ppp-net {
      prefix ppp-net;
    }
    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
      "MP-group CRC and los packet alarm threshold configuration and time delay detect.";

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

    }

    ext:task-name "interface-mgr";

    typedef enable-status {
      type enumeration {
        enum "disable" {
          value 0;
          description "Disable.";
        }
        enum "enable" {
          value 1;
          description "Enable.";
        }
      }
      description "Enable status.";
    }

    typedef fragment-statistics-mode {
      type enumeration {
        enum "fragment-statistics" {
          value 0;
          description "Fragment statistics.";
        }
        enum "non-fragment-statistics" {
          value 1;
          description
            "Non-fragment statistics.";
        }
      }
      description
        "Fragment statistics mode.";
    }

    typedef packet-priority-type {
      type enumeration {
        enum "normal" {
          value 0;
          description
            "MP-group Packet Mormal Priority.";
        }
        enum "high" {
          value 1;
          description
            "MP-group Packet High Priority.";
        }
      }
      description
        "Type of ifmmp pack priority.";
    }

    typedef packet-queue-depth-mode {
      type enumeration {
        enum "depth256" {
          value 0;
          description
            "Queue depth 256 packets.";
        }
        enum "depth512" {
          value 1;
          description
            "Queue depth 512 packets.";
        }
        enum "depth1024" {
          value 2;
          description
            "Queue depth 1024 packets.";
        }
        enum "depth2048" {
          value 3;
          description
            "Queue depth 2048 packets.";
        }
        enum "depth4096" {
          value 4;
          description
            "Queue depth 4096 packets.";
        }
      }
      description "Packet queue depth mode.";
    }

    container lspic-mp {
      description
        "The global configurations of MP-group interface.";
      container fragment-attribute {
        description
          "Configure global configurations of MP-group interface.";
        leaf statistics-mode {
          ext:dynamic-default;
          type fragment-statistics-mode;
          description
            "Global settings of the MP-group and Global-MP-Group interfaces fragment statistics mode. If the fragment statistics mode is fragment-statistics, it will clear statistics of all MP-Group and Global-MP-Group interfaces.";
        }
      }  // container fragment-attribute
    }  // container lspic-mp

    augment /ifm:ifm/ifm:interfaces/ifm:interface/ppp-net:ppp-net/ppp-net:multilink-ppp/ppp-net:mp-base {
      description
        "MP-group CRC and los packet alarm threshold configuration and time delay detect.";
      container time-delay-detect {
        when
          "../../../../ifm:type='Mp-group'";
        description
          "Configure MP-group time delay detect.";
        leaf detect-enable {
          type enable-status;
          default "disable";
          description
            "MP-group time delay detect enable status.";
        }

        leaf detect-threshold {
          ext:dynamic-default;
          type uint32 {
            range "25..500";
          }
          units "100 us";
          description
            "MP-group time delay detect threshold.";
        }
      }  // container time-delay-detect

      container qos-attribute {
        description
          "Configure MP-group drop timeout and port-queue config.";
        leaf drop-timeout {
          type uint32 {
            range "10..100";
          }
          units "ms";
          default "100";
          description
            "MP-group drop timeout threshold.";
        }

        leaf dynamic-bandwidth-enable {
          type enable-status;
          default "disable";
          description
            "MP-group Dynamic BandWidth Mode Config.";
        }

        leaf low-latency-enable {
          ext:dynamic-default;
          type enable-status;
          description
            "MP-group Low Latency Mode Config.";
        }

        leaf packet-priority {
          ext:dynamic-default;
          type packet-priority-type;
          description
            "MP-group Packet Priority Config.";
        }

        leaf packet-queue-depth {
          ext:dynamic-default;
          type packet-queue-depth-mode;
          description
            "MP-group Packet Queue Depth Config.";
        }
      }  // container qos-attribute
    }

    augment /ifm:ifm/ifm:interfaces/ifm:interface/ppp-net:ppp-net/ppp-net:multilink-ppp/ppp-net:mp-members/ppp-net:mp-member {
      description
        "Time delay information of the MP-group member interface.";
      container time-delay {
        config false;
        description
          "Statistics of time delay information of the MP-group member interface.";
        leaf max-time-delay {
          type uint32 {
            range "0..1000000";
          }
          units "us";
          description
            "Max history delay of an MP-group member interface.";
        }

        leaf last-record-1 {
          type uint32 {
            range "0..1000000";
          }
          units "us";
          description
            "Last delay of an MP-group member interface.";
        }

        leaf last-record-2 {
          type uint32 {
            range "0..1000000";
          }
          units "us";
          description
            "Last but one delay of an MP-group member interface.";
        }

        leaf last-record-3 {
          type uint32 {
            range "0..1000000";
          }
          units "us";
          description
            "Last but two delay of an MP-group member interface.";
        }
      }  // container time-delay
    }
  }  // module huawei-lspic-mp