module huawei-mpls-forward-devm {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-mpls-forward-devm";

    prefix mpls-forward-devm;

    import huawei-devm {
      prefix devm;
    }
    import huawei-loadbalance {
      prefix loadbalance;
    }
    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 "MPLS forward for DEVM.";

    revision "2020-02-27" {
      description
        "The type of some nodes is fixed.";
      reference
        "Huawei private.";

    }

    revision "2019-03-27" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "forwarding";

    typedef hash-cfg-flag {
      type enumeration {
        enum "payload-header" {
          value 64;
          description
            "Hashed based on payload-header.";
        }
        enum "label" {
          value 192;
          description
            "Hashed based on label.";
        }
        enum "ip" {
          value 160;
          description
            "Hashed based on label or payload-header.";
        }
        enum "ip-tos" {
          value 193;
          description
            "Hashed based on label or TOS.";
        }
        enum "mac" {
          value 196;
          description
            "Hashed based on label or MAC.";
        }
      }
      description "Hash configuration flag.";
    }

    typedef enable-flag {
      type enumeration {
        enum "enable" {
          value 1;
          description "The CFG is enabled.";
        }
        enum "disable" {
          value 0;
          description "The CFG is disabled.";
        }
      }
      description "Enable flag type.";
    }

    typedef check-mode {
      type enumeration {
        enum "ip" {
          value 291;
          description
            "The check mode is IP.";
        }
        enum "label-contained-length" {
          value 292;
          description
            "The check mode is label-contained-length.";
        }
      }
      description "Check mode.";
    }

    typedef hash-type {
      type enumeration {
        enum "flow" {
          value 194;
          description
            "Load balance based on flow.";
        }
        enum "packet" {
          value 195;
          description
            "Load balance based on packet.";
        }
      }
      description "Hash type.";
    }

    augment /devm:devm/devm:lpu-boards/devm:lpu-board {
      description
        "MPLS forward configuration to the DEVM module.";
      container mpls-forward {
        description
          "Configure MPLS forward.";
        container mpls-hash-mode {
          description
            "Configure MPLS hash mode.";
          leaf hashcfg {
            type hash-cfg-flag;
            default "ip";
            description
              "MPLS hash mode value.";
          }
        }  // container mpls-hash-mode

        container mplsfrags {
          description
            "Configure dynamic load balance.";
          leaf mplsfrag-enable {
            type enable-flag;
            default "disable";
            description
              "MPLS fragment enable value.";
          }
        }  // container mplsfrags

        container mpls-load-ctrwords {
          description
            "Configure MPLS load balance control word disable.";
          leaf mplsload-ctrword-disable {
            type enable-flag;
            default "disable";
            description
              "MPLS load balance control word disable value.";
          }
        }  // container mpls-load-ctrwords
      }  // container mpls-forward
    }

    augment /devm:devm/devm:mpu-boards/devm:mpu-board {
      description
        "MPLS forward configuration to the DEVM module.";
      container mpls-forward {
        description
          "Configure MPLS forward.";
        container mpls-hash-mode {
          description
            "Configure MPLS hash mode.";
          leaf hashcfg {
            type hash-cfg-flag;
            default "ip";
            description
              "MPLS hash mode value.";
          }
        }  // container mpls-hash-mode

        container mplsfrags {
          description
            "Configure dynamic load balance configuration.";
          leaf mplsfrag-enable {
            type enable-flag;
            default "disable";
            description
              "MPLS fragment enable value.";
          }
        }  // container mplsfrags

        container mpls-load-ctrwords {
          description
            "Configure MPLS load balance control word disable.";
          leaf mplsload-ctrword-disable {
            type enable-flag;
            default "disable";
            description
              "MPLS load balance control word disable value.";
          }
        }  // container mpls-load-ctrwords
      }  // container mpls-forward
    }

    augment /loadbalance:loadbalance {
      description
        "MPLS forward configuration to the load balance module.";
      container mpls-hashpacket {
        description
          "Configure load balance based on packet.";
        list hashpacket {
          ext:generated-by "system" {
            description "The all instances are generated automatically.";
          }
          ext:operation-exclude "create" {
            description "The all instances cannot be created.";
          }
          key "slotid";
          description
            "Configure load balance based on packet.";
          leaf slotid {
            type string {
              length "1..32";
            }
            description "Slot ID.";
          }

          leaf hash-type {
            ext:support-filter "true";
            type hash-type;
            default "flow";
            description "Load balance mode.";
          }
        }  // list hashpacket
      }  // container mpls-hashpacket

      container mpls-intfmtu {
        description
          "Configure interface MTU check mode.";
        list intfmtu {
          ext:generated-by "system" {
            description "The all instances are generated automatically.";
          }
          ext:operation-exclude "create" {
            description "The all instances cannot be created.";
          }
          key "slotid";
          description
            "Configure interface MTU check mode.";
          leaf slotid {
            type string {
              length "1..32";
            }
            description "Slot ID.";
          }

          leaf chkmode {
            ext:support-filter "true";
            type check-mode;
            mandatory true;
            description
              "Check mode configuration.";
          }
        }  // list intfmtu
      }  // container mpls-intfmtu
    }
  }  // module huawei-mpls-forward-devm