From: Michael Chan <mchan@broadcom.com>
Date: Fri, 30 Jun 2006 03:15:54 +0000 (-0700)
Subject: [TG3]: Add TSO workaround using GSO
X-Git-Tag: v2.6.18-rc1~252^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52c0fd834ea0e7c6ef8616ce0a1f85bac4233ed7;p=pandora-kernel.git

[TG3]: Add TSO workaround using GSO

Use GSO to workaround a rare TSO bug on some chips.  This hardware
bug may be triggered when the TSO header size is greater than 80
bytes.  When this condition is detected in a TSO packet, the driver
will use GSO to segment the packet to workaround the hardware bug.

Thanks to Juergen Kreileder <jk@blackdown.de> for reporting the
problem and collecting traces to help debug the problem.

And thanks to Herbert Xu <herbert@gondor.apana.org.au> for providing
the GSO mechanism that happens to be the perfect workaround for this
problem.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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