module openconfig-vlan-types {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/vlan-types";

    prefix oc-vlan-types;

    import openconfig-extensions {
      prefix oc-ext;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
    netopenconfig@googlegroups.com";

    description
      "This module defines configuration and state variables for VLANs,
    in addition to VLAN parameters associated with interfaces";

    revision "2017-07-14" {
      description
        "Move top-level vlan data to network-instance; Update
      identities to comply to style guide; fixed pattern
      quoting; corrected trunk vlan types; added TPID config to
      base interface.";
      reference
        "2.0.0";

    }

    revision "2016-05-26" {
      description
        "OpenConfig public release";
      reference
        "1.0.2";

    }

    oc-ext:openconfig-version "2.0.0";

    identity TPID_TYPES {
      base 
      description
        "Base identity for TPID values that can override the VLAN
      ethertype value";
    }

    identity TPID_0X8100 {
      base TPID_TYPES;
      description
        "Default TPID value for 802.1q single-tagged VLANs.";
    }

    identity TPID_0X8A88 {
      base TPID_TYPES;
      description
        "TPID value for 802.1ad provider bridging, Q-in-Q,
      or stacked VLANs";
    }

    identity TPID_0X9100 {
      base TPID_TYPES;
      description "Alternate TPID value";
    }

    identity TPID_0X9200 {
      base TPID_TYPES;
      description "Alternate TPID value";
    }

    typedef vlan-id {
      type uint16 {
        range "1..4094";
      }
      description
        "Type definition representing a single-tagged VLAN";
    }

    typedef vlan-range {
      type string {
        pattern
          '^(409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
            + '[1-9][0-9]{1,2}|[1-9])\.\.(409[0-4]|'
            + '40[0-8][0-9]|[1-3][0-9]{3}|[1-9][0-9]{1,2}|'
            + '[1-9])$';
      }
      description
        "Type definition representing a range of single-tagged
      VLANs. A range is specified as x..y where x and y are
      valid VLAN IDs (1 <= vlan-id <= 4094). The range is
      assumed to be inclusive, such that any VLAN-ID matching
      x <= VLAN-ID <= y falls within the range.";
    }

    typedef qinq-id {
      type string {
        pattern
          '^(409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
            + '[1-9][0-9]{1,2}|[1-9])\.'
            + '((409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
            + '[1-9][0-9]{1,2}|[1-9])|\*)$';
      }
      description
        "Type definition representing a single double-tagged/QinQ VLAN
      identifier. The format of a QinQ VLAN-ID is x.y where X is the
      'outer' VLAN identifier, and y is the 'inner' VLAN identifier.
      Both x and y must be valid VLAN IDs (1 <= vlan-id <= 4094)
      with the exception that y may be equal to a wildcard (*). In
      cases where y is set to the wildcard, this represents all inner
      VLAN identifiers where the outer VLAN identifier is equal to
      x";
    }

    typedef qinq-id-range {
      type union {
        type string {
          pattern
            '^(409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
              + '[1-9][0-9]{1,2}|[1-9])\.\.'
              + '(409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
              + '[1-9][0-9]{1,2}|[1-9])\.'
              + '((409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
              + '[1-9][0-9]{1,2}|[1-9])|\*)$';
        }
        type string {
          pattern
            '^(\*|(409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
              + '[1-9][0-9]{1,2}|[1-9]))\.'
              + '(409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
              + '[1-9][0-9]{1,2}|[1-9])\.\.'
              + '(409[0-4]|40[0-8][0-9]|[1-3][0-9]{3}|'
              + '[1-9][0-9]{1,2}|[1-9])$';
        }
      }
      description
        "A type definition representing a range of double-tagged/QinQ
      VLAN identifiers. The format of a QinQ VLAN-ID range can be
      specified in three formats. Where the range is outer VLAN IDs
      the range is specified as x..y.z. In this case outer VLAN
      identifiers meeting the criteria x <= outer-vlan-id <= y are
      accepted iff the inner VLAN-ID is equal to y - or any inner-tag
      if the wildcard is specified. Alternatively the range can be
      specified as x.y..z. In this case only VLANs with an
      outer-vlan-id qual to x are accepted (x may again be the
      wildcard). Inner VLANs are accepted if they meet the inequality
      y <= inner-vlan-id <= z.";
    }

    typedef vlan-mode-type {
      type enumeration {
        enum "ACCESS" {
          value 0;
          description
            "Access mode VLAN interface (No 802.1q header)";
        }
        enum "TRUNK" {
          value 1;
          description
            "Trunk mode VLAN interface";
        }
      }
      description
        "VLAN interface mode (trunk or access)";
    }

    typedef vlan-ref {
      type union {
        type vlan-id;
        type string;
      }
      description
        "Reference to a VLAN by name or id";
    }
  }  // module openconfig-vlan-types