ethtool_op_get_link  301 include/linux/ethtool.h u32 ethtool_op_get_link(struct net_device *dev);
ethtool_op_get_link  675 net/8021q/vlan_dev.c 	.get_link		= ethtool_op_get_link,
ethtool_op_get_link  152 net/bridge/br_device.c 	.get_link	= ethtool_op_get_link,