module huawei-fim-ifm {

    yang-version 1;

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

    prefix fim-ifm;

    import huawei-pub-type {
      prefix pub-type;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-ethernet {
      prefix ethernet;
    }

    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
      "Common interface management, which includes the public configuration of interfaces.";

    reference
      "Huawei private.";


    revision "2020-03-23" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "forwarding";

    typedef enable-type {
      type enumeration {
        enum "disable" {
          value 0;
          description "Disable.";
        }
        enum "enable" {
          value 1;
          description "Enable.";
        }
      }
      description "Enable type.";
    }

    typedef statistic-mode-type {
      type enumeration {
        enum "forward" {
          value 1;
          description
            "Forward mode statistics.";
        }
        enum "mac" {
          value 0;
          description "MAC mode statistics.";
        }
      }
      description "Ip Statistic Mode Type.";
    }

    typedef ve-mode-type {
      type enumeration {
        enum "through" {
          value 1;
          description "Software loopback.";
        }
        enum "loopback" {
          value 0;
          description "Hardware loopback.";
        }
        enum "half-through" {
          value 3;
          description
            "Software switch hardware loopback.";
        }
      }
      description "VE Forward Mode Type.";
    }

    typedef ve-interface-type {
      type enumeration {
        enum "L2VE" {
          value 1;
          description
            "Layer 2 Terminate Virtual-Ethernet interface.";
        }
        enum "L3VE" {
          value 2;
          description
            "Layer 3 Access Virtual-Ethernet interface.";
        }
        enum "terminate-ve" {
          value 7;
          description
            "Layer 3 Terminate Virtual-Ethernet interface.";
        }
      }
      description "VE Interface Type.";
    }

    typedef local-forward-type {
      type enumeration {
        enum "unicast" {
          value 1;
          description
            "Unicast Local Forward.";
        }
      }
      description
        "Trunk Local Forward Type.";
    }

    typedef reset-ipversion-type {
      type enumeration {
        enum "ipv4" {
          value 1;
          description "IPv4 reset.";
        }
        enum "ipv6" {
          value 2;
          description "IPv6 reset.";
        }
      }
      description "Reset IP vertion type.";
    }

    typedef reset-dispcard-type {
      type enumeration {
        enum "mac" {
          value 1;
          description "MAC reset.";
        }
        enum "mtu" {
          value 2;
          description "MTU reset.";
        }
      }
      description
        "Reset discard vertion type.";
    }

    rpc rst-macmtu-intf {
      ext:node-ref "/ifm/interfaces/interface";
      description
        "Clear MAC and MTU error statistics.";
      input {
        leaf interface-name {
          type string {
            length "1..63";
          }
          mandatory true;
          description "Interface name.";
        }

        leaf discard-type {
          type reset-dispcard-type;
          description
            "Configure the discard type.";
        }

        leaf ip-version {
          type reset-ipversion-type;
          description
            "Configure the discard IP version.";
        }
      }
    }  // rpc rst-macmtu-intf

    rpc rst-macmtu-slot {
      ext:node-ref "/ifm/interfaces/interface";
      description
        "Clear MAC&MTU error statistics.";
      input {
        leaf board-position {
          type string {
            length "1..32";
          }
          mandatory true;
          description "Board position.";
        }

        leaf discard-type {
          type reset-dispcard-type;
          description
            "Configure the discard type.";
        }

        leaf ip-version {
          type reset-ipversion-type;
          description
            "Configure the discard IP version.";
        }
      }
    }  // rpc rst-macmtu-slot

    rpc rst-mru-discard {
      ext:node-ref "/ifm/interfaces/interface";
      description
        "Clear interface MRU discard statistics.";
      input {
        leaf interface-name {
          type string {
            length "1..63";
          }
          mandatory true;
          description
            "Interface name of clear interface MRU discard statistics.";
        }
      }
    }  // rpc rst-mru-discard

    augment /ifm:ifm/ifm:interfaces/ifm:interface {
      description
        "Interface forward configuration to the interface management module.";
      container fim {
        description
          "Configure the function of statistic to main interface.";
        leaf statistic-enable {
          when
            "../../ifm:class='main-interface' and ../../ifm:type!='Virtual-Ethernet' and ../../ifm:type!='Tunnel' and ../../ifm:type!='NULL' and ../../ifm:type!='LoopBack' and ../../ifm:type!='Global-VE' and ../../ifm:type!='Nve' and ../../ifm:type!='Vlanif' and ../../ifm:type!='PW-VE' and ../../ifm:type!='Vbdif' and ../../ifm:type!='FlexE-200GE' and ../../ifm:type!='FlexE-50G' and ../../ifm:type!='FlexE-100G' and ../../ifm:type!='FlexE-10G' and ../../ifm:type!='FlexE-400G' and ../../ifm:type!='FlexE-50|100G'";
          type enable-type;
          default "disable";
          description
            "Enable the function of traffic statistics.";
        }

        leaf statistic-mode {
          when
            "not(../../ifm:type='Tunnel' or ../../ifm:type='NULL' or ../../ifm:type='LoopBack' or ../../ifm:type='Nve' or ((../../ifm:type='PW-VE' or ../../ifm:type='Global-VE' or ../../ifm:type='Virtual-Ethernet') and (../../ifm:class='main-interface')) or ../../ifm:type='FlexE-200GE' or ../../ifm:type='FlexE-50G' or ../../ifm:type='FlexE-100G' or ../../ifm:type='FlexE-10G' or ../../ifm:type='FlexE-400G' or ../../ifm:type='FlexE-50|100G')";
          type statistic-mode-type;
          default "mac";
          description
            "Configure the traffic statistics mode.";
        }

        leaf mac-statistic-enable {
          when
            "../../ifm:class='main-interface' and ../../ifm:type!='Virtual-Ethernet' and ../../ifm:type!='Tunnel' and ../../ifm:type!='NULL' and ../../ifm:type!='LoopBack' and ../../ifm:type!='Global-VE' and ../../ifm:type!='Nve' and ../../ifm:type!='Vbdif' and ../../ifm:type!='Vlanif' and ../../ifm:type!='PW-VE' and ../../ifm:type!='FlexE-200GE' and ../../ifm:type!='FlexE-50G' and ../../ifm:type!='FlexE-100G' and ../../ifm:type!='FlexE-10G' and ../../ifm:type!='FlexE-400G' and ../../ifm:type!='FlexE-50|100G'";
          type enable-type;
          default "disable";
          description
            "Enable the function of bit per seconds (bps) statistics.";
        }
      }  // container fim

      container fim-ifm-mru {
        description
          "Configure the maximum receive unit.";
        leaf mru {
          when
            "../../ifm:type!='Virtual-Ethernet' and ../../ifm:type!='Tunnel' and ../../ifm:type!='NULL' and ../../ifm:type!='LoopBack' and ../../ifm:type!='Global-VE' and ../../ifm:type!='Nve' and ../../ifm:type!='FlexE-200GE' and ../../ifm:type!='FlexE-50G' and ../../ifm:type!='FlexE-100G' and ../../ifm:type!='FlexE-10G' and ../../ifm:type!='FlexE-400G' and ../../ifm:type!='FlexE-50|100G'";
          type uint16 {
            range "46..9600";
          }
          units "Byte";
          must
            "not(/ifm:ifm/ifm:interfaces/ifm:interface/fim-ifm:fim-tcp-mss/fim-ifm:tcp-mss)";
          description
            "Maximum receive unit of an interface.";
        }

        leaf mru-statistic-enable {
          when "../mru";
          type enable-type;
          default "disable";
          description
            "Enable discard statistics of maximum receive unit of an interface.";
        }
      }  // container fim-ifm-mru

      container fim-tcp-mss {
        description "Configure Tcp mss.";
        leaf tcp-mss {
          when
            "../../ifm:type!='Virtual-Ethernet' and ../../ifm:type!='Tunnel' and ../../ifm:type!='NULL' and ../../ifm:type!='LoopBack' and ../../ifm:type!='Global-VE' and ../../ifm:type!='Nve' and ../../ifm:type!='FlexE-200GE' and ../../ifm:type!='FlexE-50G' and ../../ifm:type!='FlexE-100G' and ../../ifm:type!='FlexE-10G' and ../../ifm:type!='FlexE-400G' and ../../ifm:type!='FlexE-50|100G'";
          type uint16 {
            range "32..9500";
          }
          units "Byte";
          must
            "(not(/ifm:ifm/ifm:interfaces/ifm:interface/ethernet:ethernet/ethernet:main-interface/ethernet:l2-attribute) or not(../tcp-mss)) and not(/ifm:ifm/ifm:interfaces/ifm:interface/fim-ifm:fim-ifm-mru/fim-ifm:mru)";
          description
            "Maxitum Segment Size of an interface.";
        }
      }  // container fim-tcp-mss

      container fim-ifm-bdifint {
        when "../ifm:type='Vbdif'";
        description
          "Configure forward configurations to VBDIF interface.";
        leaf vbdif-loopback-enable {
          type boolean;
          default "false";
          description
            "Enable/disable the VBDIF loopback forward mode.";
        }
      }  // container fim-ifm-bdifint

      container fim-ifm-veint {
        description
          "Configure Virtual-Ethernet interface information.";
        leaf ve-forward-mode {
          when
            "(../../ifm:type='Virtual-Ethernet' and ../../fim-ifm:ve-group/fim-ifm:type='L2VE') or (../../ifm:type='Global-VE' and ../../fim-ifm:ve-group/fim-ifm:type='L2VE')";
          type ve-mode-type;
          default "loopback";
          description
            "Virtual-Ethernet forward mode type.";
        }

        leaf ve-slot-id {
          when
            "../../ifm:type='Global-VE' and ../../fim-ifm:ve-group/fim-ifm:type='L2VE'";
          type string {
            length "1..512";
          }
          description
            "Remove boards from a global VE interface.";
        }
      }  // container fim-ifm-veint

      container ve-group {
        when
          "../ifm:type='Virtual-Ethernet' or ../ifm:type='Global-VE'";
        presence "configure ve-group.";
        description
          "Enable/disable a Virtual-Ethernet Group.";
        leaf type {
          ext:operation-exclude "update" {
            description "The node cannot be modified when ve-group is configured.";
          }
          type ve-interface-type;
          mandatory true;
          description
            "Virtual-Ethernet interface type.";
        }

        leaf id {
          ext:operation-exclude "update" {
            description "The node cannot be modified when ve-group is configured.";
          }
          type uint32 {
            range "1..8192";
          }
          mandatory true;
          description
            "Virtual-Ethernet group ID.";
        }
      }  // container ve-group

      container mru-discard-statistic {
        config false;
        description
          "Statistics of maximum receive unit of an interface.";
        leaf packet {
          type uint64;
          description
            "Display the packets of discarded statistics of maximum receive unit of an interface.";
        }

        leaf byte {
          type uint64;
          units "Byte";
          description
            "Display the bytes of discarded statistics of maximum receive unit of an interface.";
        }
      }  // container mru-discard-statistic

      container macmtu-discard-stat {
        config false;
        description
          "MAC&MTU error statistics.";
        leaf mtu-ipv4 {
          type uint64;
          description
            "IPv4 MTU error statistics.";
        }

        leaf mtu-ipv6 {
          type uint64;
          description
            "IPv6 MTU error statistics.";
        }

        leaf mac-ipv4 {
          type uint64;
          default "0";
          description
            "IPv4 MAC error statistics.";
        }

        leaf mac-ipv6 {
          type uint64;
          description
            "IPv6 MAC error statistics.";
        }
      }  // container macmtu-discard-stat
    }

    augment /ifm:ifm/ifm:global {
      description
        "Global configuration to the interface management module.";
      container fim-ifm-global {
        description
          "Configure FIM global configurations.";
        leaf global-strict-filter {
          type enable-type;
          default "disable";
          description
            "Global filter enable status.";
        }

        leaf dual-stat-enable {
          type enable-type;
          default "disable";
          description
            "Set forward mode statistic for all interfaces.";
        }

        leaf trunk-delaysend-time {
          type uint32 {
            range "1000..300000";
          }
          units "ms";
          default "1500";
          description
            "Configure the delay time for an ETH-Trunk interface to join a member interface in a unicast scenario.";
        }

        leaf trunk-adjust-enable {
          type enable-type;
          default "disable";
          description
            "Enable the function of trunk load-blance dynamic-adjust.";
        }

        leaf qinq-transport-enable {
          type enable-type;
          default "disable";
          description
            "Configures Ethernet interfaces to retain the outer TPID EtherType value in received QinQ packets.";
        }
      }  // container fim-ifm-global

      container fim-trunk-localfwd {
        description
          "Configure the function of trunk local forward.";
        leaf enable {
          type enable-type;
          default "disable";
          description
            "Trunk Local Forward enable status.";
        }
      }  // container fim-trunk-localfwd

      container ve-groups {
        config false;
        description
          "List of the relation of Virtual-Ethernet and ve-group.";
        list ve-group {
          key "ve-group-id slot-id";
          description
            "Operational state of the relation of Virtual-Ethernet and ve-group.";
          leaf ve-group-id {
            type uint32;
            description "VE-group id.";
          }

          leaf slot-id {
            type string {
              length "1..24";
            }
            description "Slot ID.";
          }

          leaf l2-ve-ifname {
            type pub-type:if-name;
            description
              "Terminate Virtual-Ethernet interface.";
          }

          leaf l3-ve-ifname {
            type pub-type:if-name;
            description
              "Access Virtual-Ethernet interface.";
          }
        }  // list ve-group
      }  // container ve-groups
    }
  }  // module huawei-fim-ifm