module huawei-vlan {

    yang-version 1;

    namespace "urn:huawei:yang:huawei-vlan";

    prefix vlan;

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

    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 "VLAN management.";

    revision "2021-08-12" {
      description
        "Modify the description of leaf type and member-port.";
      reference
        "Huawei private.";

    }

    revision "2020-02-07" {
      description
        "Add leaf band-width-kbps.";
      reference
        "Huawei private.";

    }

    revision "2019-04-29" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "vlan";

    typedef vlan-id {
      type uint16 {
        range "1..4094";
      }
      description "VLAN ID.";
    }

    typedef vlan-type {
      type enumeration {
        enum "common" {
          value 1;
          description
            "VLAN type is common VLAN.";
        }
        enum "super" {
          value 2;
          description
            "VLAN type is super-VLAN.";
        }
        enum "sub" {
          value 3;
          description
            "VLAN type is sub-VLAN.";
        }
      }
      description "VLAN type.";
    }

    typedef admin-status {
      type enumeration {
        enum "up" {
          value 1;
          description "Administratively up.";
        }
        enum "down" {
          value 0;
          description
            "Administratively down.";
        }
      }
      description "VLAN administrative.";
    }

    typedef oper-status {
      type enumeration {
        enum "up" {
          value 1;
          description "Status is up.";
        }
        enum "down" {
          value 0;
          description "Status is down.";
        }
      }
      description "State.";
    }

    typedef enable-status {
      type enumeration {
        enum "enable" {
          value 1;
          description
            "VLAN enable status is enable.";
        }
        enum "disable" {
          value 0;
          description
            "VLAN enable status is disable.";
        }
      }
      description "VLAN enable status.";
    }

    typedef access-type {
      type enumeration {
        enum "access" {
          value 1;
          description
            "Access port that accepts packets without VLAN tags.";
        }
        enum "trunk" {
          value 2;
          description
            "Trunk port that accepts packets with VLAN tags.";
        }
        enum "hybrid" {
          value 3;
          description
            "Hybrid port that accepts packets with or without VLAN tags.";
        }
        enum "dot1qtunnel" {
          value 4;
          description
            "Dot1q tunnel interface that allows packet with double VLAN tags to pass.";
        }
      }
      description "VLAN access type.";
    }

    typedef tag-mode {
      type enumeration {
        enum "untag" {
          value 0;
          description
            "VLAN tag mode is untagged.";
        }
        enum "tag" {
          value 1;
          description
            "VLAN tag mode is tagged.";
        }
      }
      description "VLAN tag mode.";
    }

    container vlan {
      description "VLAN management.";
      container vlans {
        description "List of VLAN.";
        list vlan {
          key "id";
          max-elements 4094;
          description
            "Configure VLAN information.";
          leaf id {
            type vlan-id;
            description "VLAN ID.";
          }

          leaf name {
            type string {
              length "1..31";
            }
            description "VLAN name.";
          }

          leaf description {
            type string {
              length "1..80";
            }
            description "VLAN description.";
          }

          leaf type {
            type vlan-type;
            default "common";
            description "VLAN type.";
          }

          leaf admin-status {
            type admin-status;
            default "up";
            description
              "Administrative status of a VLAN.";
          }

          leaf broadcast-discard {
            type enable-status;
            default "disable";
            description
              "Discard broadcast packets.";
          }

          leaf unknown-multicast-discard {
            type enable-status;
            default "disable";
            description
              "Discard unknown multicast packets.";
          }

          leaf mac-learning {
            type enable-status;
            default "enable";
            description
              "Whether MAC address leaning is enabled in a VLAN.";
          }

          leaf statistic-enable {
            type enable-status;
            default "disable";
            description
              "Whether VLAN statistics collection is enabled.";
          }

          leaf statistic-discard {
            when
              "../statistic-enable='enable'";
            type enable-status;
            default "disable";
            description
              "Whether BUM discard statistics collection is enabled.";
          }

          leaf mac-aging-time {
            when "not(../type='super')";
            type uint32 {
              range "0|60..1000000";
            }
            units "s";
            description
              "MAC address aging time, 0 indicates that MAC addresses do not age.";
          }

          leaf super-vlan {
            when "../type='sub'";
            type leafref {
              path "/vlan:vlan/vlan:vlans/vlan:vlan/vlan:id";
            }
            must
              "/vlan:vlan/vlan:vlans/vlan:vlan[id=current()]/vlan:type = 'super'";
            mandatory true;
            description
              "The corresponding super-VLAN ID when the VLAN is a sub-VLAN.";
          }

          container unkown-unicast-discard {
            description
              "Configure drop unknown unicast.";
            leaf discard {
              type enable-status;
              default "disable";
              description
                "Discard unknown unicast packets.";
            }

            leaf mac-learning-enable {
              when "../discard='enable'";
              type enable-status;
              default "disable";
              description
                "Enable unknown unicast MAC address learning.";
            }
          }  // container unkown-unicast-discard

          container suppression {
            description
              "Configure traffic suppression.";
            leaf inbound {
              type enable-status;
              default "disable";
              description
                "Whether inbound suppression is enable.";
            }

            leaf outbound {
              type enable-status;
              default "disable";
              description
                "Whether outbound suppression is enable.";
            }
          }  // container suppression

          container member-ports {
            config false;
            description
              "List of ports in a VLAN.";
            list member-port {
              key "interface-name";
              description
                "Statistics of ports in a VLAN.";
              leaf interface-name {
                type leafref {
                  path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
                }
                description
                  "Names of ports in a VLAN.";
              }

              leaf access-type {
                type access-type;
                description
                  "Port link type.";
              }

              leaf state {
                type oper-status;
                description "Port state.";
              }

              leaf tag-mode {
                type tag-mode;
                description "Port tag mode.";
              }
            }  // list member-port
          }  // container member-ports

          container vlan-statistic {
            config false;
            description
              "Statistics of VLAN state.";
            leaf inbound-packets {
              type uint64;
              units "packet";
              description
                "Number of inbound packets.";
            }

            leaf outbound-packets {
              type uint64;
              units "packet";
              description
                "Number of outbound packets.";
            }

            leaf inbound-bytes {
              type uint64;
              units "Byte";
              description
                "Number of inbound bytes.";
            }

            leaf outbound-bytes {
              type uint64;
              units "Byte";
              description
                "Number of outbound bytes.";
            }

            leaf inbound-unicasts {
              type uint64;
              description
                "Number of inbound unicasts.";
            }

            leaf inbound-broadcasts {
              type uint64;
              description
                "Number of inbound broadcasts.";
            }

            leaf inbound-multicasts {
              type uint64;
              description
                "Number of inbound multicasts.";
            }

            leaf inbound-unkunicast-drops {
              type uint64;
              description
                "Number of inbound unknown unicast drops.";
            }

            leaf inbound-unkmulticast-drops {
              type uint64;
              description
                "Number of inbound unknown multicast drops.";
            }

            leaf inbound-brdcast-drops {
              type uint64;
              description
                "Number of inbound broadcast drops.";
            }

            leaf outbound-unicasts {
              type uint64;
              description
                "Number of outbound unicasts.";
            }

            leaf outbound-broadcasts {
              type uint64;
              description
                "Number of outbound broadcasts.";
            }

            leaf outbound-multicasts {
              type uint64;
              description
                "Number of outbound multicasts.";
            }
          }  // container vlan-statistic
        }  // list vlan
      }  // container vlans

      container instances {
        description
          "List of VLAN instances.";
        list instance {
          key "id";
          description "Configure instances.";
          leaf id {
            type uint16 {
              range "1..4094";
            }
            description "Instance ID.";
          }

          leaf vlan-list {
            type pub-type:vlan-range;
            mandatory true;
            description "VLAN list.";
          }
        }  // list instance
      }  // container instances

      container default-instance {
        config false;
        description
          "Statistics of default instance VLANs.";
        leaf vlan-list {
          type pub-type:vlan-range;
          description "VLAN list.";
        }
      }  // container default-instance
    }  // container vlan

    augment /ifm:ifm/ifm:interfaces/ifm:interface {
      when "ifm:type='Vlanif'";
      description
        "Extend interface attribute.";
      container vlanif-attribute {
        description
          "Configure VLANIF attribute.";
        choice band-width-type {
          default "band-width-mbps";
          description
            "VLANIF interface bandwidth.";
          case band-width-mbps {
            description
              "VLANIF interface bandwidth with mbps.";
            leaf band-width {
              type uint32 {
                range "1..1000000";
              }
              units "Mbit/s";
              default "1000";
              description
                "VLANIF interface bandwidth.";
            }
          }  // case band-width-mbps

          case band-width-kbps {
            description
              "VLANIF interface bandwidth with kbps.";
            leaf band-width-kbps {
              type uint32 {
                range "1..1000000";
              }
              units "kbit/s";
              description
                "VLANIF interface bandwidth with kbps.";
            }
          }  // case band-width-kbps
        }  // choice band-width-type

        leaf damping-time {
          type uint16 {
            range "0..20";
          }
          units "s";
          default "0";
          description
            "Delay time after which a VLANIF interface goes down.";
        }
      }  // container vlanif-attribute
    }
  }  // module huawei-vlan