From owner-cvs-all  Fri Jul 19 20:51:59 2002
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From: Peter Wemm <peter@FreeBSD.org>
Date: Fri, 19 Jul 2002 20:51:53 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/boot/efi/libefi efinet.c
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peter       2002/07/19 20:51:53 PDT

  Modified files:
    sys/boot/efi/libefi  efinet.c 
  Log:
  Work around some nasty bugs on the [beta] Itanium2's E1000 UNDI driver.
  
  Bug#1: The GetStatus() function returns radically different pointers that
  do not match any packets we transmitted.  I think it might be pointing to
  a copy of the packet or something.  Since we do not transmit more than
  one packet at a time, just wait for "anything".
  
  Bug#2: The Receive() function takes a pointer and a length.  However, it
  either ignores the length or otherwise does bad things and writes outside
  of ptr[0] through ptr[len-1].  This is bad and causes massive stack
  corruption for us since we are receiving packets into small buffers on
  the stack.  Instead, Receive() into a large enough buffer and bcopy the
  data to the requested area.
  
  Revision  Changes    Path
  1.4       +20 -5     src/sys/boot/efi/libefi/efinet.c

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