module huawei-l2vpn-extension {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-l2vpn-extension";

    prefix l2vpn-extension;

    import ietf-inet-types {
      prefix inet;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-qos {
      prefix qos;
    }
    import huawei-l2vpn {
      prefix l2vpn;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-vrrp {
      prefix vrrp;
    }
    import huawei-ip {
      prefix ip;
    }
    import huawei-network-instance {
      prefix ni;
    }
    import huawei-tunnel-management {
      prefix tnlm;
    }
    import huawei-mpls-te {
      prefix mpls-te;
    }
    import huawei-mpls-te-cr-static {
      prefix mpls-te-cr-static;
    }

    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
      "L2 virtual private network extensions.";

    revision "2019-07-08" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "l2vpn";

    typedef qos-query-type {
      type enumeration {
        enum "be" {
          value 0;
          description
            "Best effort (BE) service-class.";
        }
        enum "af1" {
          value 1;
          description
            "Assured forwarding 1 (AF1) service-class.";
        }
        enum "af2" {
          value 2;
          description
            "Assured forwarding 2 (AF2) service-class.";
        }
        enum "af3" {
          value 3;
          description
            "Assured forwarding 3 (AF3) service-class.";
        }
        enum "af4" {
          value 4;
          description
            "Assured forwarding 4 (AF4) service-class.";
        }
        enum "ef" {
          value 5;
          description
            "Expedited forwarding (EF) service-class.";
        }
        enum "cs6" {
          value 6;
          description
            "Class selector 6 (CS6) service-class.";
        }
        enum "cs7" {
          value 7;
          description
            "Class selector 7 (CS7) service-class.";
        }
      }
      description "L2VPN QoS query.";
    }

    typedef pw-role-type {
      type enumeration {
        enum "primary" {
          value 1;
          description
            "The PW role type is primary.";
        }
        enum "backup" {
          value 2;
          description
            "The PW role type is backup.";
        }
        enum "bypass" {
          value 3;
          description
            "The PW role type is bypass.";
        }
        enum "left-primary" {
          value 4;
          description
            "The left side PW of multi-segment instance.";
        }
        enum "right-primary" {
          value 5;
          description
            "The right side PW of multi-segment instance.";
        }
        enum "right-backup" {
          value 6;
          description
            "The backup of the right side PW.";
        }
        enum "ac-bypass" {
          value 7;
          description
            "The PW role type is AC-bypass.";
        }
        enum "pw-bypass" {
          value 8;
          description
            "The PW role type is PW-bypass.";
        }
      }
      description "L2VPN PW role type.";
    }

    grouping qos-query-info-grp {
      description "QoS query info.";
      leaf packets {
        type uint64;
        units "packet";
        description
          "The total number of output packets.";
      }

      leaf bytes {
        type uint64;
        units "Byte";
        description
          "The total number of output bytes.";
      }

      leaf packets-rate {
        type uint64;
        units "pps";
        description
          "The last 300 seconds packets rate.";
      }

      leaf bits-rate {
        type uint64;
        units "bit/s";
        description
          "The last 300 seconds bits rate.";
      }

      leaf discard-packets {
        type uint64;
        units "packet";
        description
          "The total discard number of the packets.";
      }

      leaf discard-bytes {
        type uint64;
        units "Byte";
        description
          "The total discard number of the bytes.";
      }

      leaf discard-packets-rate {
        type uint64;
        units "pps";
        description
          "The last 300 seconds discard packets rate.";
      }

      leaf discard-bit-rate {
        type uint64;
        units "bit/s";
        description
          "The last 300 seconds discard bits rate.";
      }
    }  // grouping qos-query-info-grp

    grouping qos-traffic-statistics-grp {
      description
        "QoS traffic-statistics table.";
      leaf last-clear-time {
        type string {
          length "1..60";
        }
        description
          "Last time of clean out.";
      }

      leaf bits-rate {
        type uint64;
        units "bit/s";
        description
          "The traffic bits rate received on the PW.";
      }

      leaf packets-rate {
        type uint64;
        units "pps";
        description
          "The traffic packet rate received on the PW.";
      }

      leaf output-bytes {
        type uint64;
        units "Byte";
        description
          "The traffic bytes transmitted out of the PW.";
      }

      leaf output-packets {
        type uint64;
        units "packet";
        description
          "The traffic packets transmitted out of the PW.";
      }

      container qos-querys {
        description
          "List of the QoS traffic-statistics.";
        list qos-query {
          key "query";
          description
            "Indicates the query table of the QoS traffic statistics.";
          leaf query {
            type qos-query-type;
            description
              "Indicates the query of the QoS traffic statistics.";
          }

          uses qos-query-info-grp;
        }  // list qos-query
      }  // container qos-querys
    }  // grouping qos-traffic-statistics-grp

    grouping qos-parameter-grp {
      description
        "QoS parameter information.";
      leaf cir {
        type uint32 {
          range "0 | 16..4294967294";
        }
        units "kbit/s";
        default "0";
        description "Specify the CIR.";
      }

      leaf pir {
        type uint32 {
          range "0 | 16..4294967294";
        }
        units "kbit/s";
        description "Specify the PIR.";
      }

      leaf profile-name {
        when "../pir>0";
        type leafref {
          path "/qos:qos/qos:queue-scheduler-template/qos:profiles/qos:profile/qos:name";
        }
        description
          "Specify the name of QoS profile.";
      }
    }  // grouping qos-parameter-grp

    grouping pw-info-grp {
      description
        "Operational data of L2VPN PWs using tunnels.";
      container pws {
        config false;
        description
          "List of L2VPN PWs using tunnels.";
        list pw {
          key "index";
          description
            "Operational data of L2VPN PW using tunnels.";
          leaf index {
            type uint32;
            description
              "Index automatically generated by the host for each PW, which is used to quickly search for PWs.";
          }

          leaf instance-name {
            type l2vpn:l2vpn-instance-name;
            description
              "The name of L2VPN instance.";
          }

          leaf instance-type {
            type l2vpn:l2vpn-instance-type;
            description
              "The type of L2VPN instance.";
          }

          leaf pw-role {
            type pw-role-type;
            description "Role of a PW.";
          }

          leaf peer-ip {
            type inet:ip-address-no-zone;
            description
              "Peer IP address of a PW.";
          }

          leaf pw-id {
            type uint32;
            description "PW ID of a PW.";
          }

          leaf encapsulation-type {
            type l2vpn:encapsulation-type;
            description
              "Encapsulation type of a PW.";
          }

          leaf interface-name {
            type leafref {
              path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
            }
            description
              "The name of an AC interface.";
          }
        }  // list pw
      }  // container pws
    }  // grouping pw-info-grp

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpls {
      description
        "Configure the vpls QoS traffic statistics.";
      container qos-parameter {
        must "cir<=pir" {
          error-message
            "The pir value is less than cir value.";
        }
        must "not(cir=0 and pir=0)" {
          error-message
            "The cir and pir value can not be zero at same time.";
        }
        must
          "not(/l2vpn:l2vpn/l2vpn:instances/l2vpn:instance[l2vpn:name=current()/../../l2vpn:name][l2vpn:type='vpls']/l2vpn:vpls/l2vpn:ldp-signaling/l2vpn:pws/l2vpn:pw/l2vpn-extension:qos-parameter)";
        presence "enable QoS for pw";
        description
          "Enable/disable the QoS parameter information.";
        uses qos-parameter-grp;
      }  // container qos-parameter

      container qos-traffic-statistics {
        config false;
        description
          "Operational data of QoS traffic statistics table.";
        uses qos-traffic-statistics-grp;
      }  // container qos-traffic-statistics
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpls/l2vpn:ldp-signaling/l2vpn:pws/l2vpn:pw {
      description
        "Configure the vpls ldp pw QoS traffic statistics.";
      container qos-parameter {
        when "../l2vpn:name";
        must "cir<=pir" {
          error-message
            "The pir value is less than cir value.";
        }
        must "not(cir=0 and pir=0)" {
          error-message
            "The cir and pir value can not be zero at same time.";
        }
        must
          "not(/l2vpn:l2vpn/l2vpn:instances/l2vpn:instance[l2vpn:name=current()/../../../../../l2vpn:name][l2vpn:type='vpls']/l2vpn:vpls/l2vpn-extension:qos-parameter)";
        presence "enable QoS for pw";
        description
          "Enable/disable the QoS parameter information.";
        uses qos-parameter-grp;
      }  // container qos-parameter

      container qos-traffic-statistics {
        config false;
        description
          "Operational data of QoS traffic statistics table.";
        uses qos-traffic-statistics-grp;
      }  // container qos-traffic-statistics
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-bgp/l2vpn:pws/l2vpn:pw {
      description
        "Configure the vpws-bgp pw QoS traffic statistics.";
      container qos-parameter {
        must "cir<=pir" {
          error-message
            "The pir value is less than cir value.";
        }
        must "not(cir=0 and pir=0)" {
          error-message
            "The cir and pir value can not be zero at same time.";
        }
        presence "enable QoS for pw";
        description
          "Enable/disable the QoS parameter information.";
        uses qos-parameter-grp;
      }  // container qos-parameter

      container qos-traffic-statistics {
        config false;
        description
          "Operational data of QoS traffic statistics table.";
        leaf interface-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          description
            "Indicates the type and number of the AC interface.";
        }

        uses qos-traffic-statistics-grp;
      }  // container qos-traffic-statistics
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-ldp/l2vpn:pws/l2vpn:pw {
      description
        "Configure the vpws-ldp pw QoS traffic statistics.";
      container qos-parameter {
        when
          "../l2vpn:role!='ac-bypass' and ../l2vpn:role!='pw-bypass'";
        must "cir<=pir" {
          error-message
            "The pir value is less than cir value.";
        }
        must "not(cir=0 and pir=0)" {
          error-message
            "The cir and pir value can not be zero at same time.";
        }
        must
          "not(/l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-ldp/l2vpn:pws/l2vpn:pw/l2vpn:endpoint)";
        must
          "not(/l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-ldp/l2vpn:pws/l2vpn:pw/l2vpn:color)";
        presence "enable QoS for pw";
        description
          "Enable/disable the QoS parameter information.";
        uses qos-parameter-grp;
      }  // container qos-parameter

      container qos-traffic-statistics {
        config false;
        description
          "Operational data of QoS traffic statistics table.";
        leaf interface-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          description
            "Indicates the type and number of the AC interface.";
        }

        uses qos-traffic-statistics-grp;
      }  // container qos-traffic-statistics
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-switch/l2vpn:pws/l2vpn:pw {
      description
        "Configure the vpws-switch pw QoS traffic statistics.";
      container qos-parameter {
        when
          "../../../l2vpn:switch-type != 'ldp-ldp-bak'";
        must "cir<=pir" {
          error-message
            "The pir value is less than cir value.";
        }
        must "not(cir=0 and pir=0)" {
          error-message
            "The cir and pir value can not be zero at same time.";
        }
        must
          "not(/l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-switch/l2vpn:pws/l2vpn:pw/l2vpn:endpoint)";
        must
          "not(/l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpws-switch/l2vpn:pws/l2vpn:pw/l2vpn:color)";
        presence "enable QoS for pw";
        description
          "Enable/disable QoS parameter information.";
        uses qos-parameter-grp;
      }  // container qos-parameter
    }

    augment /l2vpn:l2vpn/l2vpn:common/l2vpn:pw-templates/l2vpn:pw-template {
      description
        "Configure the QoS traffic statistics in pw-template.";
      container qos-parameter {
        must "cir<=pir" {
          error-message
            "The pir value is less than cir value.";
        }
        must "not(cir=0 and pir=0)" {
          error-message
            "The cir and pir value can not be zero at same time.";
        }
        presence "enable QoS for pw";
        description
          "Enable/disable QoS parameter information.";
        uses qos-parameter-grp;
      }  // container qos-parameter
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpls/l2vpn:acs/l2vpn:ac {
      description
        "Configure the VPLS OAM mapping.";
      container ac-oam-mapping {
        ext:operation-exclude "update";
        when
          "../../../l2vpn:work-mode='normal' and /ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()/../l2vpn:interface-name]/ifm:class='sub-interface'";
        presence "enable ac oam mapping";
        description
          "Enable/disable OAM mapping.";
        leaf type {
          type l2vpn:ac-oam-mapping-type;
          must
            "../type='1ag' and ../md-name and ../ma-name";
          mandatory true;
          description
            "VPLS OAM mapping type.";
        }

        leaf md-name {
          when "../type='1ag'";
          type string {
            length "1..43";
          }
          description
            "VPLS OAM mapping parameter MD name.";
        }

        leaf ma-name {
          when "../type='1ag'";
          type string {
            length "1..43";
          }
          description
            "VPLS OAM mapping parameter MA name.";
        }
      }  // container ac-oam-mapping
    }

    augment /l2vpn:l2vpn/l2vpn:instances/l2vpn:instance/l2vpn:vpls/l2vpn:ldp-signaling/l2vpn:pws/l2vpn:pw {
      description
        "Configure the vpls track VRRP.";
      container track-vrrp {
        ext:operation-exclude "update";
        when
          "../../../../l2vpn:work-mode='bd-mode'";
        presence "enable pw track vrrp";
        description
          "Configure VRRP parameter list.";
        leaf vrrp-interface-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          must
            "/ifm:ifm/ifm:interfaces/ifm:interface[ifm:name=current()]/ip:ipv4/vrrp:vrrp/vrrp:groups/vrrp:group[vrrp:id=current()/../vrrp-vrid]/vrrp:admin-flag or
/ni:network-instance/ni:instances/ni:instance/vrrp:vrrp/vrrp:groups/vrrp:group[vrrp:id=current()/../vrrp-vrid]/vrrp:admin-flag";
          mandatory true;
          description "VRRP interface.";
        }

        leaf vrrp-vrid {
          type uint32 {
            range "1..255";
          }
          mandatory true;
          description
            "VRID of a VRRP backup group.";
        }

        leaf pw-redundancy {
          type boolean;
          must "../pw-redundancy='true'";
          default "true";
          description
            "Enable/disable VRRP PW redundancy mode.";
        }

        leaf backup-block-all {
          type boolean;
          must "../backup-block-all='true'";
          default "true";
          description
            "Enable/disable block the traffic on the backup PW.";
        }
      }  // container track-vrrp
    }

    augment /ifm:ifm/ifm:interfaces/ifm:interface/tnlm:tunnel-protocol/tnlm:type/mpls-te:mpls-te/mpls-te:te-tunnel/mpls-te:tunnel-mode/mpls-te:p2p-rsvp-te/mpls-te:rsvp-te {
      description
        "Operational data of L2VPN PWs using tunnels.";
      uses pw-info-grp;
    }

    augment /ifm:ifm/ifm:interfaces/ifm:interface/tnlm:tunnel-protocol/tnlm:type/mpls-te:mpls-te/mpls-te:te-tunnel/mpls-te:sr-te {
      description
        "Operational data of L2VPN PWs using tunnels.";
      uses pw-info-grp;
    }

    augment /ifm:ifm/ifm:interfaces/ifm:interface/tnlm:tunnel-protocol/tnlm:type/mpls-te:mpls-te/mpls-te:te-tunnel/mpls-te-cr-static:cr-static {
      description
        "Operational data of L2VPN PWs using tunnels.";
      uses pw-info-grp;
    }
  }  // module huawei-l2vpn-extension