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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Mon, 3 May 2010 01:04:44 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/dev/ale if_ale.c
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yongari     2010-05-03 01:04:44 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/dev/ale          if_ale.c 
  Log:
  SVN rev 207546 on 2010-05-03 01:04:44Z by yongari
  
  MFC r207251:
    It seems ale(4) controllers do not like to see TCP payload in the
    first descriptor in TSO case. Otherwise controller can generate bad
    frames during TSO. To address it, make sure to pull up ethernet +
    IP + TCP header with options in first buffer. Also ensure the
    buffer length of the first descriptor for TSO covers entire ethernet
    + IP + TCP with options and setup additional Tx descriptor if the
    first buffer includes TCP payload.
  
    Tested by:    Amar Takhar <verm <> darkbeer dot org >
  
  Revision  Changes    Path
  1.6.2.5   +33 -4     src/sys/dev/ale/if_ale.c