ethtool_cmd_speed_set
ethtool_cmd_speed_set(&ecmd,
ethtool_cmd_speed_set(&cmd, hw->mac.link_speed);
ethtool_cmd_speed_set(ecmd, SPEED_1000);
ethtool_cmd_speed_set(ecmd, SPEED_100);
ethtool_cmd_speed_set(ecmd, SPEED_10);
ethtool_cmd_speed_set(ecmd,
ethtool_cmd_speed_set(legacy_settings, link_ksettings->base.speed);