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  man pages->Tru64 Unix man pages -> dlpi (7)              



NAME    [Toc]    [Back]

       dlb,  dlpi  - STREAMS pseudodevice driver for bridging BSD
       Drivers to STREAMS

SYNOPSIS    [Toc]    [Back]

       #include <sys/dlpihdr.h>  #include  <fcntl.h>  fd  =  open
       ("/dev/streams/dlb", O_RDWR, 0);

DESCRIPTION    [Toc]    [Back]

       The  dlb STREAMS pseudodevice driver provides a communication
 path between BSD-style  device  drivers  and  STREAMS
       protocol  stacks.  The  dlb STREAMS pseudodevice driver is
       the Stream end in a Stream  that  communicates  with  BSDbased
 device drivers.

       When  the  /dev/streams/dlb  character  device  is open, a
       Stream is constructed between a Stream head  and  the  dlb
       pseudodevice  driver. After the Stream that is intended to
       communicate with the BSD-based driver or drivers  is  created,
  the  protocol  module or modules can be pushed onto

       Tru64 UNIX supports a subset of  the  Data  Link  Provider
       Interface (DLPI) connectionless mode of communication. The
       attach DLPI primitive is required to associate a  particular
  physical  point  of attachment (PPA) with a Stream in
       Tru64 UNIX's implementation of the style 2 provider.

       On the write side, the dlb pseudodevice driver  translates
       connectionless  style  2  DLPI messages to the appropriate
       BSD ifnet interface messages.  On the read side, the userbound
  Service Access Point (SAP) messages received from a
       selected PPA over BSD based driver  or  drivers  are  sent


       Network Programmer's Guide

       Data    Link    Provider    Interface   specification   in

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