module huawei-oam-cfm-cfm {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-oam-cfm-cfm";

    prefix oam-cfm-cfm;

    import huawei-extension {
      prefix ext;
    }
    import huawei-oammgr {
      prefix oammgr;
    }
    import huawei-y1731 {
      prefix y1731;
    }

    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
      "Configure the operation, administration and maintenance (OAM) association function.";

    revision "2020-09-18" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "oammgr";

    typedef cfm-bind-cfm-type {
      type enumeration {
        enum "CFM1-CFM2" {
          value 1;
          description
            "Type that CFM1 transfers fault information to CFM2.";
        }
        enum "CFM2-CFM1" {
          value 2;
          description
            "Type that CFM2 transfers fault information to CFM1.";
        }
      }
      description "Binding type.";
    }

    augment /oammgr:oammgr {
      description
        "Configure the operation, administration and maintenance (OAM) association function.";
      container cfm-bind-cfms {
        description
          "List of associations between CFM and CFM.";
        list cfm-bind-cfm {
          must
            "not((md-name1=md-name2) and (ma-name1=ma-name2))";
          key "md-name1 ma-name1 md-name2 ma-name2 bind-type";
          unique "md-name1 ma-name1 bind-type";
          unique "md-name2 ma-name2 bind-type";
          description
            "Configure an instance of an association between CFM and CFM.";
          leaf md-name1 {
            type leafref {
              path
                "/y1731:y1731/y1731:global-enable/y1731:mds/y1731:md/y1731:name";
            }
            description
              "Configure the name of the first MD.";
          }

          leaf ma-name1 {
            type leafref {
              path
                "/y1731:y1731/y1731:global-enable/y1731:mds/y1731:md[y1731:name=current()/../md-name1]/y1731:mas/y1731:ma/y1731:name";
            }
            description
              "Configure the name of the first MA.";
          }

          leaf md-name2 {
            type leafref {
              path
                "/y1731:y1731/y1731:global-enable/y1731:mds/y1731:md/y1731:name";
            }
            description
              "Configure the name of the second MD.";
          }

          leaf ma-name2 {
            type leafref {
              path
                "/y1731:y1731/y1731:global-enable/y1731:mds/y1731:md[y1731:name=current()/../md-name2]/y1731:mas/y1731:ma/y1731:name";
            }
            description
              "Configure the name of the second MA.";
          }

          leaf bind-type {
            type cfm-bind-cfm-type;
            description
              "Configure a binding type.";
          }
        }  // list cfm-bind-cfm
      }  // container cfm-bind-cfms
    }
  }  // module huawei-oam-cfm-cfm