From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 9 Dec 2010 12:08:35 +0000 (+0000)
Subject: ethtool: Report link-down while interface is down
X-Git-Tag: v2.6.38-rc1~476^2~253
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e596e6e4d578f2639416e620d367a3af34814a40;p=pandora-kernel.git

ethtool: Report link-down while interface is down

While an interface is down, many implementations of
ethtool_ops::get_link, including the default, ethtool_op_get_link(),
will report the last link state seen while the interface was up.  In
general the current physical link state is not available if the
interface is down.

Define ETHTOOL_GLINK to reflect whether the interface *and* any
physical port have a working link, and consistently return 0 when the
interface is down.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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