module ieee802-dot1q-lldp-basic-tlv {

    yang-version 1.1;

    namespace
      'urn:ieee:std:802.1Q:yang:ieee802-dot1q-lldp-basic-tlv';

    prefix lldp-basic-tlv;

    import ieee802-dot1ab-lldp {
      prefix lldp;
    }
    import ieee802-dot1q-types {
      prefix dot1qtypes;
    }

    organization
      "Institute of Electrical and Electronics Engineers";

    contact
      "WG-URL: http://ieee802.org/1/
    WG-EMail: stds-802-1-l@ieee.org
      Contact: IEEE 802.1 Working Group Chair
      Postal: C/O IEEE 802.1 Working Group
      IEEE Standards Association
           445 Hoes Lane
           Piscataway, NJ 08854
           USA
    
    E-mail: stds-802-1-chairs@ieee.org";

    description
      "IEEE Std 802.1Q extension TLVs for LLDP

    References in this YANG module to IEEE Std 802.1Q are to IEEE Std 
    802.1Q-2022 as amended by IEEE Std 802.1Qcz-2023.

    Copyright (C) IEEE (2023).
      
    This version of this YANG module is part of IEEE Std 802.1Q; see
    the standard itself for full legal notices.";

    revision "2023-07-03" {
      description
        "LLDP extension TLVs for the basicSet. Published as part of IEEE
      Std 802.1Qcz-2023.";
      reference
        "Annex D of IEEE Std 802.1Q";

    }


    grouping port-vlan-id-tlv {
      description "Port VLAN ID TLV";
      reference
        "D.2.1 of IEEE Std 802.1Q";

      leaf port-vlan-id {
        type dot1qtypes:vlanid;
        description
          "Advertise port VLAN Identifier, Send 0 if unknown or unsupported";
        reference
          "D.2.1 of IEEE Std 802.1Q";

      }
    }  // grouping port-vlan-id-tlv

    grouping port-and-protocol-vlan-id-tlv {
      description
        "Port and Protocol VLAN ID TLV";
      reference
        "D.2.2 of IEEE Std 802.1Q";

      uses port-vlan-id-tlv {
        reference
          "D.2.2 of IEEE Std 802.1Q";

      }

      leaf flags {
        type bits {
          bit
            port-and-protocol-vlan-supported {
            position 1;
            description
              "1 = supported, 0 = not supported";
          }
          bit
            port-and-protocol-vlan-enabled {
            position 2;
            description
              "1 = enabled, 0 = not enabled";
          }
        }
        description
          "Port and Protocol VLAN capability and status. Bit positions 0
        and 3-7 are reserved for future standardization";
        reference
          "D.2.2.1 of IEEE Std 802.1Q";

      }
    }  // grouping port-and-protocol-vlan-id-tlv

    grouping port-vlan-name-tlv {
      description "Port VLAN NAME TLV";
      reference
        "D.2.3 of IEEE Std 802.1Q";

      leaf vlan-id {
        type dot1qtypes:vlanid;
        description
          "The VLAN ID associated with the VLAN Name";
        reference
          "D.2.3.2 of IEEE Std 802.1Q";

      }

      leaf port-vlan-name {
        type string {
          length "0..32";
        }
        description
          "Advertise port VLAN Name, Send 0 length if unknown or
        unsupported";
        reference
          "D.2.3.3 of IEEE Std 802.1Q";

      }
    }  // grouping port-vlan-name-tlv

    grouping protocol-identity-tlv {
      description "Protocol Identity TLV";
      reference
        "D.2.4 of IEEE Std 802.1Q";

      leaf protocol-identity {
        type string {
          length "1..255";
        }
        description
          "Advertise ProtocolIdentity";
        reference
          "D.2.4.3 of IEEE Std 802.1Q";

      }
    }  // grouping protocol-identity-tlv

    grouping vid-usage-digest-tlv {
      description "VID Usage Digest TLV";
      reference
        "D.2.5 of IEEE Std 802.1Q";

      leaf vid-usage-digest {
        type uint32;
        config false;
        description
          "Advertise VID Usage Digest";
        reference
          "D.2.5.1 of IEEE Std 802.1Q";

      }
    }  // grouping vid-usage-digest-tlv

    grouping management-vid-tlv {
      description "Management VID TLV";
      reference
        "D.2.6 of IEEE Std 802.1Q";

      leaf management-vid {
        type dot1qtypes:vlanid;
        description
          "Advertise Management VID";
        reference
          "D.2.6.1 of IEEE Std 802.1Q";

      }
    }  // grouping management-vid-tlv

    grouping link-aggregation-tlv {
      description "Link Aggregation TLV";
      reference
        "F.2 of IEEE Std 802.1AX-2020";

      leaf aggregation-status {
        type bits {
          bit aggregation-capability {
            position 0;
            description
              "1 = supported, 0 = not supported";
          }
          bit aggregation-status {
            position 1;
            description
              "1 = currently aggregated, 0 = not currently aggregated";
          }
          bit port-typeLS {
            position 2;
            description
              "Least Significant Bit of 2 bit port type value";
          }
          bit port-typeMS {
            position 3;
            description
              "Most Significant Bit of 2 bit port type value";
          }
        }
        description
          "Link Aggregation capability and status. Bit positions 4-7 are
        reserved for future standardization";
        reference
          "F.2.1 of IEEE Std 802.1AX-2020";

      }

      leaf aggregated-port-id {
        type uint32;
        description
          "Advertise aggregated port identifier";
        reference
          "F.2.2 of IEEE Std 802.1AX-2020";

      }
    }  // grouping link-aggregation-tlv

    augment /lldp:lldp {
      description
        "Augments lldp with information needed for system level extension
      TLVs";
      container vid-usage-digest-tlv-extension {
        description
          "The VID Usage Digest TLV";
        uses vid-usage-digest-tlv;
      }  // container vid-usage-digest-tlv-extension

      container management-vid-tlv-extension {
        description "The Management VID TLV";
        uses management-vid-tlv;
      }  // container management-vid-tlv-extension
    }

    augment /lldp:lldp/lldp:port {
      description
        "Augments port with basic extension TLVs";
      leaf tlvs-tx-org-basic-enable {
        type bits {
          bit port-vlan-id {
            position 0;
            description
              "D.2.1 of IEEE Std 802.1Q";
          }
          bit port-protocol-vlan-id {
            position 1;
            description
              "D.2.2 of IEEE Std 802.1Q";
          }
          bit vlan-name {
            position 2;
            description
              "D.2.3 of IEEE Std 802.1Q";
          }
          bit protocol-identity {
            position 3;
            description
              "D.2.4 of IEEE Std 802.1Q";
          }
          bit vid-user-digest {
            position 4;
            description
              "D.2.5 of IEEE Std 802.1Q";
          }
          bit management-vid {
            position 5;
            description
              "D.2.6 of IEEE Std 802.1Q";
          }
          bit link-aggregation {
            position 6;
            description
              "Annex F of IEEE Std 802.1AX-2020";
          }
        }
        description
          "Bitmap that includes the basicSet of TLVs from Table D-1 of
        IEEE Std 802.1Q";
        reference
          "D.2 of IEEE Std 802.1Q";

      }

      container port-vlan-id-tlv-extension {
        description "The Port VLAN ID TLV";
        uses port-vlan-id-tlv;
      }  // container port-vlan-id-tlv-extension

      container port-and-protocol-vlan-id-extension {
        description
          "The Port and Protocol VLAN ID TLV";
        uses port-and-protocol-vlan-id-tlv;
      }  // container port-and-protocol-vlan-id-extension

      container port-vlan-name-tlv-extension {
        description "The Port VLAN Name TLV";
        uses port-vlan-name-tlv;
      }  // container port-vlan-name-tlv-extension

      container protocol-identity-tlv-extension {
        description
          "The Protocol Identity TLV";
        uses protocol-identity-tlv;
      }  // container protocol-identity-tlv-extension

      container link-aggregation-tlv-extension {
        description
          "The Link Aggregation TLV";
        uses link-aggregation-tlv;
      }  // container link-aggregation-tlv-extension
    }

    augment /lldp:lldp/lldp:port/lldp:remote-systems-data {
      description
        "Augments port remote-systems-data with received basic extension
      TLVs";
      container port-vlan-id-tlv-extension {
        description
          "Holds a received Port VLAN ID TLV";
        uses port-vlan-id-tlv;
      }  // container port-vlan-id-tlv-extension

      container port-and-protocol-vlan-id-extension {
        description
          "Holds a received Port and Protocol VLAN ID TLV";
        uses port-and-protocol-vlan-id-tlv;
      }  // container port-and-protocol-vlan-id-extension

      container port-vlan-name-tlv-extension {
        description
          "Holds a received VLAN Name TLV";
        uses port-vlan-name-tlv;
      }  // container port-vlan-name-tlv-extension

      container protocol-identity-tlv-extension {
        description
          "Holds a received Protocol Identity TLV";
        uses protocol-identity-tlv;
      }  // container protocol-identity-tlv-extension

      container link-aggregation-tlv-extension {
        description
          "Holds a received Link Aggregation TLV";
        uses link-aggregation-tlv;
      }  // container link-aggregation-tlv-extension

      container vid-usage-digest-tlv-extension {
        description
          "Holds a received VID Usage TLV";
        uses vid-usage-digest-tlv;
      }  // container vid-usage-digest-tlv-extension

      container management-vid-tlv-extension {
        description
          "Holds a received Management VID TLV";
        uses management-vid-tlv;
      }  // container management-vid-tlv-extension
    }
  }  // module ieee802-dot1q-lldp-basic-tlv