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From: Bernhard Schmidt <bschmidt@FreeBSD.org>
Date: Mon, 6 Dec 2010 19:05:44 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/wpi if_wpi.c
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bschmidt    2010-12-06 19:05:44 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/wpi          if_wpi.c 
  Log:
  SVN rev 216238 on 2010-12-06 19:05:44Z by bschmidt
  
  Fix scanning after loosing a connection. The firmware assumes that as long
  as an association ID is set any scan is supposed to be a background scan.
  This implies that the firmware will switch back to the associated channel
  after a certain threshold, though, we are not notified about that. We
  currently catch this case by a timer which will reset the firmware after
  a 'scan timeout', though, upper layers are not notified about that and
  will simply hang until manual intervention. Fix this by resetting the
  firmware's knowledge about any association on RUN -> ASSOC and
  !INIT -> SCAN transitions.
  
  Tested by:      Zhihao Yuan <lichray at gmail.com>
  MFC after:      1 week
  
  Revision  Changes    Path
  1.36      +19 -2     src/sys/dev/wpi/if_wpi.c