ethtool_value
struct ethtool_value reset;
struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
struct ethtool_value id;
struct ethtool_value edata = {
struct ethtool_value edata;
struct ethtool_value edata = { .cmd = cmd };
struct ethtool_value edata;
struct ethtool_value edata;