[PATCH v2] gianfar: Fall back to software tcp/udp checksum on older controllers

[David Miller]

From: Alex Dubov <oakad at yahoo.com>
Date: Wed, 16 Mar 2011 20:57:13 -0700 (PDT)

> As specified by errata eTSEC49 of MPC8548 and errata eTSEC12 of MPC83xx,
> older revisions of gianfar controllers will be unable to calculate a TCP/UDP
> packet checksum for some alignments of the appropriate FCB. This patch checks
> for FCB alignment on such controllers and falls back to software checksumming
> if the alignment is known to be bad.
> 
> Signed-off-by: Alex Dubov <oakad at yahoo.com>

Applied.