module huawei-ifm-hdlc {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-ifm-hdlc";

    prefix ifm-hdlc;

    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
      "High-level data link control protocol.";

    revision "2019-12-22" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "hdlc";

    typedef damp-level {
      type enumeration {
        enum "light" {
          value 0;
          description "Light weight.";
        }
        enum "middle" {
          value 1;
          description "Middle weight.";
        }
        enum "heavy" {
          value 2;
          description "Heavy weight.";
        }
        enum "manual" {
          value 3;
          description
            "Manually configure the parameters.";
        }
      }
      description "HDLC damp level.";
    }
  }  // module huawei-ifm-hdlc