From c6c13965f4ffca6163af0c9419095aedc103648c Mon Sep 17 00:00:00 2001
From: Nikolay Aleksandrov <naleksan@redhat.com>
Date: Wed, 5 Sep 2012 04:11:28 +0000
Subject: [PATCH] net: add unknown state to sysfs NIC duplex export

Currently when the NIC duplex state is DUPLEX_UNKNOWN it is exported as
full through sysfs, this patch adds support for DUPLEX_UNKNOWN. It is
handled the same way as in ethtool.

 Signed-off-by: Nikolay Aleksandrov <naleksan@redhat.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
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