module huawei-l2protocol-fwd {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-l2protocol-fwd";

    prefix l2protocol-fwd;

    import huawei-extension {
      prefix ext;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-l2vpn {
      prefix l2vpn;
    }
    import huawei-devm {
      prefix devm;
    }
    import huawei-ethernet {
      prefix ethernet;
    }
    import huawei-bd {
      prefix bd;
    }
    import huawei-evpn {
      prefix evpn;
    }
    import huawei-evpl {
      prefix evpl;
    }
    import huawei-ifm-trunk {
      prefix ifm-trunk;
    }

    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
      "Forwarding L2 protocol service.";

    revision "2020-03-06" {
      description "Change description.";
      reference
        "Huawei private.";

    }

    revision "2019-04-15" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "l2cpmanagement";

    typedef action-type {
      type enumeration {
        enum "transport" {
          value 3;
          description
            "Link protocol transport.";
        }
        enum "transport-tagged" {
          value 4;
          description
            "Link protocol tagged transport.";
        }
        enum "forwarding" {
          value 1;
          description
            "Link protocol forwarding.";
        }
        enum "discard" {
          value 2;
          description
            "Link protocol discard.";
        }
      }
      description
        "Link protocol transport action type.";
    }

    typedef vlan-action-type {
      type enumeration {
        enum "forwarding" {
          value 1;
          description
            "Link protocol forwarding.";
        }
      }
      description
        "Link protocol transport action type.";
    }

    typedef mode {
      type enumeration {
        enum "normal" {
          value 0;
          description
            "Link protocol transport mode which does not aware VC type.";
        }
        enum "untag" {
          value 1;
          description
            "Link protocol transport mode which support untag packet.";
        }
        enum "untag-vlan-check" {
          value 2;
          description
            "Link protocol transport mode which support untag packet and will check port VLAN.";
        }
      }
      description
        "Link protocol transport mode.";
    }

    typedef mode-evpn {
      type enumeration {
        enum "normal" {
          value 0;
          description
            "Link protocol transport mode which does not aware VC type.";
        }
        enum "untag" {
          value 1;
          description
            "Link protocol transport mode which support untag packet.";
        }
        enum "untag-vlan-check" {
          value 2;
          description
            "Link protocol transport mode which support untag packet and will check port VLAN.";
        }
      }
      description
        "Link protocol transport mode.";
    }

    typedef vlan-protocol-type {
      type enumeration {
        enum "lacp" {
          value 1;
          description
            "Link Aggregation Control Protocol.";
        }
      }
      description
        "Link protocol transport protocol type.";
    }

    typedef protocol-type {
      type enumeration {
        enum "bpdu" {
          value 4;
          description
            "Bridge protocol data unit.";
        }
        enum "lacp" {
          value 1;
          description
            "Link Aggregation Control Protocol.";
        }
        enum "lldp" {
          value 2;
          description
            "Link Layer Discovery Protocol.";
        }
        enum "cdp" {
          value 5;
          description "CDP.";
        }
        enum "udld" {
          value 6;
          description
            "Unidirectional Link Detection.";
        }
      }
      description
        "Link protocol transport protocol type.";
    }

    typedef link-protocol-status {
      type enumeration {
        enum "enable" {
          value 1;
          description
            "Link protocol transport function is enabled.";
        }
        enum "disable" {
          value 0;
          description
            "Link protocol transport function is disabled.";
        }
      }
      description
        "Link protocol transport state.";
    }

    grouping slot-linkprotocol-type {
      description
        "Transparent transmission of link-layer protocol information.";
      leaf lldp {
        type link-protocol-status;
        default "disable";
        description
          "Link Layer Discovery Protocol.";
      }

      leaf lacp {
        type link-protocol-status;
        default "disable";
        description
          "Link Aggregation Control Protocol.";
      }

      leaf oam {
        type link-protocol-status;
        default "disable";
        description
          "Operation, Administration and Maintenance Protocol.";
      }

      leaf esmc {
        type link-protocol-status;
        default "disable";
        description
          "Ethernet Synchronization Messaging Channel.";
      }
    }  // grouping slot-linkprotocol-type

    augment /ifm:ifm/ifm:interfaces/ifm:interface/ethernet:ethernet/ethernet:main-interface/ethernet:l2-attribute {
      description
        "Link protocol transport lacp.";
      container protocol-actions {
        when
          "../../../../ifm:type='Ethernet' or ../../../../ifm:type='GigabitEthernet' or ../../../../ifm:type='Eth-Trunk' or ../../../../ifm:type='100GE' or ../../../../ifm:type='XGigabitEthernet' or ../../../../ifm:type='40GE' or ../../../../ifm:type='10GE' or ../../../../ifm:type='400GE' or ../../../../ifm:type='25GE' or ../../../../ifm:type='FlexE' or ../../../../ifm:type='50GE' or ../../../../ifm:type='50|100GE'";
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "../../ethernet:pvid or ../../ethernet:trunk-vlans";
          key "protocol-type action";
          max-elements 1;
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type vlan-protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type vlan-action-type;
            description "Protocol action.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-local-ccc/l2vpn:acs/l2vpn:ac {
      description
        "L2 protocol service for VPWS.";
      container protocol-actions {
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Ethernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='GigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Eth-Trunk' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='100GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='XGigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='40GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='10GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='400GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='25GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='FlexE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50|100GE'";
          must
            "(action='transport' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:parent-name and
          /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:l2-mode-enable='false' and
          /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q) or
          (action='transport-tagged' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:parent-name and
          /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:l2-mode-enable='false') or
          (action='discard' and not (/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:parent-name))";
          must
            "action='transport' or (action='transport-tagged' and (protocol-type='lacp' or protocol-type='lldp')) or (action='discard' and protocol-type='lacp')";
          must
            "(action='discard' and ((/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type!='Eth-Trunk') or ((/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Eth-Trunk') and (/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm-trunk:trunk/ifm-trunk:work-mode!='static')))) or (action!='discard')";
          must
            "mode!='untag' or (mode='untag' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          must
            "mode!='untag-vlan-check' or (mode='untag-vlan-check' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-remote-ccc/l2vpn:acs/l2vpn:ac {
      description
        "L2 protocol service for VPWS.";
      container protocol-actions {
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Ethernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='GigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Eth-Trunk' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='100GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='XGigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='40GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='10GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='400GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='25GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='FlexE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50|100GE'";
          must
            "(action='transport' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:parent-name and
          /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:l2-mode-enable='false' and
          /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q) or
          (action='transport-tagged' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:parent-name and
          /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:l2-mode-enable='false') or
          (action='discard' and not (/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:parent-name))";
          must
            "action='transport' or (action='transport-tagged' and (protocol-type='lacp' or protocol-type='lldp')) or (action='discard' and protocol-type='lacp')";
          must
            "(action='discard' and ((/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type!='Eth-Trunk') or ((/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Eth-Trunk') and (/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm-trunk:trunk/ifm-trunk:work-mode!='static')))) or (action!='discard')";
          must
            "mode!='untag' or (mode='untag' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          must
            "mode!='untag-vlan-check' or (mode='untag-vlan-check' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-ldp/l2vpn:acs/l2vpn:ac {
      description
        "L2 protocol service for VPWS.";
      container protocol-actions {
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Ethernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='GigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Eth-Trunk' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='100GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='XGigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='40GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='10GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='400GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='25GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='FlexE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50|100GE'";
          must
            "mode!='untag' or (mode='untag' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          must
            "mode!='untag-vlan-check' or (mode='untag-vlan-check' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-bgp/l2vpn:acs/l2vpn:ac {
      description
        "L2 protocol service for VPWS BGP.";
      container protocol-actions {
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:class='sub-interface' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:l2-mode-enable='false'";
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Ethernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='GigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Eth-Trunk' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='100GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='XGigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='40GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='10GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='400GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='25GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='FlexE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50|100GE'";
          must
            "mode!='untag' or (mode='untag' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          must
            "mode!='untag-vlan-check' or (mode='untag-vlan-check' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpls/l2vpn:acs/l2vpn:ac {
      description
        "L2 protocol service for VSI.";
      container protocol-actions {
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Ethernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='GigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='Eth-Trunk' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='100GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='XGigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='40GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='10GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='400GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='25GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='FlexE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ifm:type='50|100GE'";
          must
            "mode!='untag' or (mode='untag' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          must
            "mode!='untag-vlan-check' or (mode='untag-vlan-check' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../l2vpn:interface-name]/ethernet:ethernet/ethernet:l3-sub-interface/ethernet:vlan-type-dot1q)";
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /bd:bd/bd:instances/bd:instance/bd:service-points/bd:service-point {
      description
        "L2 protocol service for BD.";
      container protocol-actions {
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='Ethernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='GigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='Eth-Trunk' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='100GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='XGigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='40GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='10GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='400GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='25GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='FlexE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='50GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../bd:interface-name]/ifm:type='50|100GE'";
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode-evpn;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /evpl:evpl/evpl:instances/evpl:instance/evpl:interfaces/evpl:interface {
      description
        "L2 protocol service for EVPL.";
      container protocol-actions {
        description
          "List of interface link protocol action.";
        list protocol-action {
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='Ethernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='GigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='Eth-Trunk' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='100GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='XGigabitEthernet' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='40GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='10GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='400GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='25GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='FlexE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='50GE' or
           /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:type='50|100GE'";
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:parent-name and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../../evpl:name]/ifm:l2-mode-enable='false'";
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode-evpn;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /ifm:ifm/ifm:interfaces/ifm:interface/evpn:evpn {
      description
        "L2 protocol service for EVPN.";
      container protocol-actions {
        when
          "(../../ifm:type='Ethernet' or ../../ifm:type='GigabitEthernet' or ../../ifm:type='Eth-Trunk' or ../../ifm:type='100GE' or ../../ifm:type='XGigabitEthernet' or ../../ifm:type='40GE' or ../../ifm:type='10GE' or ../../ifm:type='400GE' or ../../ifm:type='25GE' or ../../ifm:type='FlexE' or ../../ifm:type='50GE' or ../../ifm:type='50|100GE') and ../evpn:name";
        description
          "List of interface link protocol action.";
        list protocol-action {
          key "protocol-type action";
          description
            "Configure link-protocol action.";
          leaf protocol-type {
            type protocol-type;
            description "Protocol type.";
          }

          leaf action {
            type action-type;
            description "Protocol action.";
          }

          leaf mode {
            when "../action='transport'";
            type mode-evpn;
            mandatory true;
            description
              "Link-protocol transport mode.";
          }
        }  // list protocol-action
      }  // container protocol-actions
    }

    augment /devm:devm/devm:lpu-boards/devm:lpu-board {
      description
        "L2 protocol transport configuration.";
      container link-protocol-transport {
        description
          "Configure transparent transmission of link-layer protocol information.";
        uses slot-linkprotocol-type;
      }  // container link-protocol-transport
    }

    augment /devm:devm/devm:mpu-boards/devm:mpu-board {
      description
        "L2 protocol transport configuration.";
      container link-protocol-transport {
        description
          "Configure transparent transmission of link-layer protocol information.";
        uses slot-linkprotocol-type;
      }  // container link-protocol-transport
    }
  }  // module huawei-l2protocol-fwd