NETIF_CARRIER_OK(9) Network device support NETIF_CARRIER_OK(9)NAMEnetif_carrier_ok - test if carrier presentSYNOPSISint netif_carrier_ok(const struct net_device * dev);ARGUMENTSdev network deviceDESCRIPTIONCheck if carrier is present on deviceCOPYRIGHTKernel Hackers Manual 2.6. July 2010 NETIF_CARRIER_OK(9)