module huawei-ifm-pos-trunk {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-ifm-pos-trunk";

    prefix ifm-pos-trunk;

    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
      "Defines the Pos-Trunk bundling technology, which bundles multiple physical interfaces into a logical interface.";

    revision "2020-02-13" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "trunk";

    typedef active-status-type {
      type enumeration {
        enum "invalid" {
          value 0;
          description "Invalid.";
        }
        enum "active" {
          value 1;
          description
            "The interface is in Active state.";
        }
        enum "inactive" {
          value 2;
          description
            "The interface is in InActive state.";
        }
      }
      description
        "Pos trunk member active state.";
    }

    augment /ifm:ifm/ifm:interfaces/ifm:interface {
      when "ifm:type='Pos-Trunk'";
      description
        "Active when the interface is set to type Pos-Trunk.";
      container pos-trunk {
        description
          "Configure Pos-Trunk interfaces. It is a logical interface with multiple physical interfaces being bundled.";
        leaf up-member-num {
          type uint32 {
            range "0..2";
          }
          config false;
          description
            "Specifies the number of member interfaces in the Up state.";
        }

        container members {
          description
            "List of pos-trunk member interfaces.";
          list member {
            key "name";
            max-elements 2;
            description
              "Configure pos-trunk member interfaces.";
            leaf name {
              type leafref {
                path
                  "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
              }
              must
                "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()]/ifm:type='Pos'";
              description
                "Configures a name for a pos-trunk member interface.";
            }

            leaf port-status {
              type ifm:port-status;
              config false;
              description
                "Displays the status of a pos-trunk member interface.";
            }

            leaf active-status {
              type active-status-type;
              config false;
              description
                "Displays the active status of a pos-trunk member interface.";
            }
          }  // list member
        }  // container members
      }  // container pos-trunk
    }
  }  // module huawei-ifm-pos-trunk