From 0c5bbeb8839172990e3b8aa82ae3c166e85a09bc Mon Sep 17 00:00:00 2001
From: Todd Fujinaka <todd.fujinaka@intel.com>
Date: Thu, 4 Jun 2015 14:26:56 -0700
Subject: [PATCH] igb: report unsupported ethtool settings in set_coalesce

There are many settings possible using ethtool -C/--coalesce, but not
all of them are supported in igb. Report failure when an unsupported
option is set.

Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Reading git-format-patch failed