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fddi_dna_attributes(9s)


NAME

  fddi_dna_attributes - Network: Defines the attributes of an FDDI network
  device


SYNOPSIS

  _____________________________
  Member Name	      Data Type
  _____________________________
  stationid[8]	      u_char
  stationtype	      short
  opversionid	      u_short
  hiversionid	      u_short
  loversionid	      u_short
  link_addr[6]	      u_char
  t_req		      u_int
  tvx		      u_int
  rtoken_timeout      u_int
  ring_purge_enable   short
  phy_type	      u_char
  pmd_type	      u_char
  lem_threshold	      u_int
  _____________________________


MEMBERS

  stationid[8]
      Specifies the station management (SMT) station ID for this station. The
      FDDI module assigns this value to the member when the station subentity
      is created.

  stationtype
      Specifies the type of station, such as single attachment station or
      dual attachment station. This structure member is read only.

  opversionid
      Specifies the SMT version ID, according to the ANSI SMT specification.
      A value of 1 corresponds to ANSI SMT Revision 6.2.

  hiversionid
      Specifies the highest value supported for the SMT version ID. This
      attribute is read only.

  loversionid
      Specifies the lowest value supported for the SMT version ID. This value
      is read only.

  link_addr[6]
      Specifies an IEEE universally administered 48-bit address obtained from
      a LAN address ROM. The value must be different from the address used by
      any other data link entity. This structure member is read only.

  t_req
      Specifies the ANSI media access (MAC) parameter T_Req -- the requested
      value for the token rotation timer.

  tvx Specifies the ANSI MAC parameter TVX -- the maximum time between
      arrivals of a valid frame or unrestricted token.

  rtoken_timeout
      Specifies the restricted token timeout, which limits how long a single
      restricted mode dialog may last before being terminated.

  ring_purge_enable
      If TRUE, specifies that this link participates in the ring purger
      election and performs the ring purger function, if elected.

  phy_type
      Specifies the type of physical port (PHY): A, B, S, or M. This
      attribute is read only.

  pmd_type
      Specifies the type of transceiver (PMD) for the physical port. This
      attribute is read only.

  lem_threshold
      Specifies the link error monitoring threshold or the maximum number of
      times a link may be rejected. For an attribute of N, the threshold
      value is calculated as 10^-N.


DESCRIPTION

  The fddi_dna_attributes data structure defines the FDDI attributes. This
  data structure is embedded in an fddiDNA_status data structure. It is used
  when returning counter information for the SIOCRDCTRS and SIOCRDZCTRS ioctl
  commands.


FILES

  <net/if.h>


SEE ALSO

  Data Structures: fddiDNA_status(9s)

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