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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Fri, 27 May 2011 20:34:23 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/pci if_xl.c
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yongari     2011-05-27 20:34:23 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/pci              if_xl.c 
  Log:
  SVN rev 222385 on 2011-05-27 20:34:23Z by yongari
  
  MFC r221563-221564:
  r221563:
    Terminate interrupt handler if driver detect it's not running.
    Also add check for driver running state before trying to send
    frames. While I'm here, use for loop.
  
  r221564:
    Change xl_rxeof() a bit to return the number of processed frames in
    RX descriptor ring. Previously it returned the number of frames
    that were successfully passed to upper stack which in turn means it
    ignored frames that were discarded due to errors. The number of
    processed frames in RX descriptor ring is used to detect whether
    driver is out of sync with controller's current descriptor pointer.
    Returning number of processed frames reduces unnecessary (probably
    wrong) re-synchronization.
  
    While here, remove unnecessary local variable initialization.
  
  Revision    Changes    Path
  1.210.2.15  +17 -12    src/sys/pci/if_xl.c