From 2ec030144f648a6dd208f95f55ece212f1b72771 Mon Sep 17 00:00:00 2001
From: Andrew Rybchenko <Andrew.Rybchenko@oktetlabs.ru>
Date: Sat, 16 Nov 2013 11:02:27 +0400
Subject: [PATCH] sfc: RX buffer allocation takes prefix size into account in
 IP header alignment

rx_prefix_size is 4-bytes aligned on Falcon/Siena (16 bytes), but it is equal
to 14 on EF10. So, it should be taken into account if arch requires IP header
to be 4-bytes aligned (via NET_IP_ALIGN).

Fixes: 8127d661e77f ('sfc: Add support for Solarflare SFC9100 family')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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