module huawei-lpt {

    yang-version 1;

    namespace "urn:huawei:yang:huawei-lpt";

    prefix lpt;

    import huawei-extension {
      prefix ext;
    }
    import huawei-l2vpn {
      prefix l2vpn;
    }
    import ietf-inet-types {
      prefix inet;
    }

    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
      "Link state pass through configuration.";

    revision "2020-03-09" {
      description "Modify description.";
      reference
        "Huawei private.";

    }

    revision "2019-12-29" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "lpt";

    typedef port-state {
      type enumeration {
        enum "up" {
          value 1;
          description "Port state is open.";
        }
        enum "down" {
          value 0;
          description
            "Port state is closed.";
        }
      }
      description "Port state.";
    }

    typedef fsm-state {
      type enumeration {
        enum "init" {
          value 0;
          description "Fsm state is init.";
        }
        enum "normal" {
          value 3;
          description "Fsm state is Normal.";
        }
        enum "network-fault" {
          value 2;
          description
            "Fsm state is network fault.";
        }
        enum "user-fault" {
          value 1;
          description
            "Fsm state is user fault.";
        }
        enum "resume-wait" {
          value 4;
          description
            "Fsm state is wait resume.";
        }
        enum "user-resume" {
          value 5;
          description
            "Fsm state is user resume.";
        }
      }
      description "Lpt Fsm State.";
    }

    typedef vc-type {
      type enumeration {
        enum "ethernet" {
          value 5;
          description
            "The vc type is ETHERNET.";
        }
        enum "vlan" {
          value 4;
          description "The vc type is VLAN.";
        }
      }
      description "Vc type.";
    }

    typedef net-carrier-type {
      type enumeration {
        enum "pw" {
          value 0;
          description
            "The UNI leaf type is PW.";
        }
        enum "qinq-link" {
          value 1;
          description
            "The UNI leaf type is QINQ.";
        }
      }
      description
        "The network side carrier type.";
    }

    typedef notification-mode-type {
      type enumeration {
        enum "lpt-mode" {
          value 0;
          description
            "LPT packet mode for fault transfer.";
        }
        enum "csf-mode" {
          value 1;
          description
            "CSF packet mode for fault transfer.";
        }
      }
      description
        "Packet mode for fault transfer.";
    }

    typedef oam-type {
      type enumeration {
        enum "lpt-oam" {
          value 1;
          description "LPT oam detection.";
        }
        enum "pw-oam" {
          value 2;
          description "PW oam detection.";
        }
      }
      description
        "Network side fault detection mode.";
    }
  }  // module huawei-lpt