This patch adds ethtool related functions.
Signed-off-by: NVipul Pandya <vipul.pandya@samsung.com>
Neatening-by: NJoe Perches <joe@perches.com>
Signed-off-by: NByungho An <bh74.an@samsung.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>