module huawei-evpl-ext {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-evpl-ext";

    prefix evpl-ext;

    import huawei-evpl {
      prefix evpl;
    }
    import huawei-qos {
      prefix qos;
    }
    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 "Evpl ext.";

    revision "2020-03-06" {
      description "Add pipe type.";
      reference
        "Huawei private.";

    }

    revision "2019-11-23" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "forwarding";

    typedef evpl-pipe-mode {
      type enumeration {
        enum "pipe" {
          value 1;
          description "Evpl pipe mode.";
        }
        enum "shortpipe" {
          value 2;
          description
            "Evpl short pipe mode.";
        }
        enum "uniform" {
          value 3;
          description "Evpl uniform mode.";
        }
      }
      description "Evpl pipe mode.";
    }

    typedef evpl-service-class {
      type enumeration {
        enum "be" {
          value 0;
          description
            "Specify the CoS as BE.";
        }
        enum "af1" {
          value 1;
          description
            "Specify the CoS as AF1.";
        }
        enum "af2" {
          value 2;
          description
            "Specify the CoS as AF2.";
        }
        enum "af3" {
          value 3;
          description
            "Specify the CoS as AF3.";
        }
        enum "af4" {
          value 4;
          description
            "Specify the CoS as AF4.";
        }
        enum "ef" {
          value 5;
          description
            "Specify the CoS as EF.";
        }
        enum "cs6" {
          value 6;
          description
            "Specify the CoS as CS6.";
        }
        enum "cs7" {
          value 7;
          description
            "Specify the CoS as CS7.";
        }
      }
      description "Description of CoS.";
    }

    typedef evpl-color {
      type enumeration {
        enum "green" {
          value 0;
          description
            "Specify the packet color as green.";
        }
        enum "yellow" {
          value 1;
          description
            "Specify the packet color as yellow.";
        }
        enum "red" {
          value 2;
          description
            "Specify the packet color as red.";
        }
      }
      description
        "Description of packet color.";
    }

    typedef evpl-trust-type {
      type enumeration {
        enum "outpri" {
          value 0;
          description
            "Specify the trust type as OUTTER-VLAN-8021P.";
        }
        enum "inpri" {
          value 1;
          description
            "Specify the trust type as INNER-VLAN-8021P.";
        }
        enum "ipdscp" {
          value 2;
          description
            "Specify the trust type as IP-DSCP.";
        }
      }
      description
        "Description of trust type.";
    }
  }  // module huawei-evpl-ext