ethtool_ops
const struct ethtool_ops *ethtool_ops;
extern const struct ethtool_ops mlx4_en_ethtool_ops;
extern const struct ethtool_ops mlx5e_ethtool_ops;
struct ethtool_ops nm_eto;
const struct ethtool_ops* save_ethtool;
static const struct ethtool_ops ipoib_ethtool_ops = {
dev->ethtool_ops->set_coalesce(dev, coal);