RADIUS attribute from rfc7268

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WLAN-Venue-Info

The WLAN-Venue-Info Attribute identifies the category of venue
      hosting the WLAN, as defined in Section 8.4.1.34 of .
      Zero or more WLAN-Venue-Info Attributes may be included in an
      Access-Request or Accounting-Request.A summary of the WLAN-Venue-Info Attribute format is shown below.
      The fields are transmitted from left to right.

       0                   1                   2                   3
       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |     Type      |    Length     |             Value
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
                 Value                |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

   Type

      182

   Length

      6

   Value

      The Value field is four octets, containing a 32-bit unsigned
      integer.  The two most significant octets MUST be set to zero by
      the sender, and are ignored by the receiver; the two least
      significant octets contain the Venue Group and Venue Type fields.

      0                   1                   2                   3
      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |            Reserved           |  Venue Group  |  Venue Type   |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

      Venue Group

         The Venue Group field is a single octet and describes the broad
         category of the venue, e.g., "Assembly".  See Section 8.4.1.34
         of  for Venue Group codes and descriptions.

      Venue Type

         The Venue Type field is a single octet and describes the venue
         in a finer granularity within the Venue Group, e.g., "Library".
         See Section 8.4.1.34 of  for Venue Type codes and
         descriptions.

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