module ieee802-dot1ab-types {

    yang-version 1.1;

    namespace
      'urn:ieee:std:802.1Q:yang:ieee802-dot1ab-types';

    prefix lldp-types;

    organization "IEEE 802.1 Working Group";

    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
      "Common types used within ieee802-dot1ab-lldp modules.";

    revision "2021-05-05" {
      description
        "Published as part of IEEE Std 802.1ABcu";
      reference
        "IEEE Std 802.1AB-2016";

    }


    typedef man-addr-if-subtype {
      type enumeration {
        enum "unknown" {
          value 1;
          description
            "Interface is not known";
        }
        enum "port-ref" {
          value 2;
          description
            "Interface based on the port-ref MIB object";
        }
        enum "system-port-number" {
          value 3;
          description
            "Interface based on the system port number";
        }
      }
      description
        "Management address interface subtype";
      reference
        "8.5.9.5 of IEEE Std 802.1AB-2016";

    }

    typedef man-addr-type {
      type string {
        pattern
          '[0-9A-F]{2}([0-9A-F]{2}){0,30}';
      }
      description
        "Management address associated with the LLDP agent";
      reference
        "8.5.9.4 of IEEE Std 802.1AB-2016";

    }

    typedef system-capabilities-map {
      type bits {
        bit other {
          position 0;
          description
            "System has capabilities other than those listed below";
        }
        bit repeater {
          position 1;
          description
            "System has repeater capability";
        }
        bit bridge {
          position 2;
          description
            "System has bridge capability";
        }
        bit wlan-access-point {
          position 3;
          description
            "System has WLAN access point capability";
        }
        bit router {
          position 4;
          description
            "System has router capability";
        }
        bit telephone {
          position 5;
          description
            "System has telephone capability";
        }
        bit docsis-cable-device {
          position 6;
          description
            "System has DOCSIS Cable Device capability";
          reference
            "IETF RFC 4639";

        }
        bit station-only {
          position 7;
          description
            "System has only station capability";
        }
        bit cvlan-component {
          position 8;
          description
            "System has C-VLAN component functionality";
        }
        bit svlan-component {
          position 9;
          description
            "System has S-VLAN component functionality";
        }
        bit two-port-mac-relay {
          position 10;
          description
            "System has Two-port MAC Relay (TPMR) functionality.";
        }
      }
      description
        "This describes system capabilities.";
      reference
        "8.5.8.1 of IEEE Std 802.1AB-2016";

    }

    typedef port-list {
      type binary {
        length "0..512";
      }
      description
        "Each octet within this value specifies a set of eight ports, with the
      first octet specifying ports 1 through 8, the second octet specifying
      ports 9 through 16, etc. Within each octet, the most significant bit
      represents the lowest numbered port, and the least significant bit
      represents the highest numbered port. Thus, each port of the system is
      represented by a single bit within the value of this object. If that
      bit has a value of '1' then that port is included in the set of ports;
      the port is not included if its bit has a value of '0'.";
      reference
        "IETF RFC 2674 section 5";

    }

    typedef dest-address-index-type {
      type uint32 {
        range "1..4096";
      }
      description
        "An index value used as the key to the list of destination MAC
      addresses used both as the destination addresses on transmitted LLDPDUs
      and on received LLDPDUs. This index value is also used as a secondary
      key in lists that use interface as a primary key.";
    }
  }  // module ieee802-dot1ab-types