From: Arthur Jones <ajones@riverbed.com>
Date: Tue, 17 Mar 2009 10:39:24 -0700

quoted text
> When the 82575 is fed 802.1q packets, it chokes with
> an error of the form:
> 
> igb 0000:08:00.1: partial checksum but proto=81
> 
> As the logic there was not smart enough to look into
> the vlan header to pick out the encapsulated protocol.
> 
> There are times when we'd like to send these packets
> out without having to configure a vlan on the interface.
> Here we check for the vlan tag and allow the packet to
> go out with the correct hardware checksum.
> 
> Thanks to Kand Ly <kand@riverbed.com> for discovering the
> issue and the coming up with a solution.  This patch is
> based upon his work.
> 
> Fixups from Stephen Hemminger <shemminger@vyatta.com> and
> Alexander Duyck <alexander.h.duyck@intel.com>.
> 
> Signed-off-by: Arthur Jones <ajones@riverbed.com>

Jeff, are you queueing this one up?
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