module huawei-l2vpn-extension {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-l2vpn-extension";

    prefix l2vpn-extension;

    import ietf-inet-types {
      prefix inet;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-qos {
      prefix qos;
    }
    import huawei-l2vpn {
      prefix l2vpn;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-vrrp {
      prefix vrrp;
    }
    import huawei-ip {
      prefix ip;
    }
    import huawei-network-instance {
      prefix ni;
    }
    import huawei-tunnel-management {
      prefix tnlm;
    }
    import huawei-mpls-te {
      prefix mpls-te;
    }
    import huawei-mpls-te-cr-static {
      prefix mpls-te-cr-static;
    }

    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
      "L2 virtual private network extensions.";

    revision "2019-07-08" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "l2vpn";

    typedef qos-query-type {
      type enumeration {
        enum "be" {
          value 0;
          description
            "Best effort (BE) service-class.";
        }
        enum "af1" {
          value 1;
          description
            "Assured forwarding 1 (AF1) service-class.";
        }
        enum "af2" {
          value 2;
          description
            "Assured forwarding 2 (AF2) service-class.";
        }
        enum "af3" {
          value 3;
          description
            "Assured forwarding 3 (AF3) service-class.";
        }
        enum "af4" {
          value 4;
          description
            "Assured forwarding 4 (AF4) service-class.";
        }
        enum "ef" {
          value 5;
          description
            "Expedited forwarding (EF) service-class.";
        }
        enum "cs6" {
          value 6;
          description
            "Class selector 6 (CS6) service-class.";
        }
        enum "cs7" {
          value 7;
          description
            "Class selector 7 (CS7) service-class.";
        }
      }
      description "L2VPN QoS query.";
    }

    typedef pw-role-type {
      type enumeration {
        enum "primary" {
          value 1;
          description
            "The PW role type is primary.";
        }
        enum "backup" {
          value 2;
          description
            "The PW role type is backup.";
        }
        enum "bypass" {
          value 3;
          description
            "The PW role type is bypass.";
        }
        enum "left-primary" {
          value 4;
          description
            "The left side PW of multi-segment instance.";
        }
        enum "right-primary" {
          value 5;
          description
            "The right side PW of multi-segment instance.";
        }
        enum "right-backup" {
          value 6;
          description
            "The backup of the right side PW.";
        }
        enum "ac-bypass" {
          value 7;
          description
            "The PW role type is AC-bypass.";
        }
        enum "pw-bypass" {
          value 8;
          description
            "The PW role type is PW-bypass.";
        }
      }
      description "L2VPN PW role type.";
    }
  }  // module huawei-l2vpn-extension