Re: [PATCH net-next 1/2] netdevsim: add link speed support

 static void nsim_ethtool_ring_init(struct netdevsim *ns)

@@ -250,12 +276,16 @@ void nsim_ethtool_init(struct netdevsim *ns)
 	ns->ethtool.fec.active_fec = ETHTOOL_FEC_NONE;
 
 	ns->ethtool.channels = ns->nsim_bus_dev->num_queues;
+	ns->ethtool.duplex = DUPLEX_FULL;
+	ns->ethtool.speed = SPEED_5000;
 
 	ethtool = debugfs_create_dir("ethtool", ns->nsim_dev_port->ddir);
 	ns->ethtool_ddir = ethtool;
 
 	debugfs_create_u32("get_err", 0600, ethtool, &ns->ethtool.get_err);
 	debugfs_create_u32("set_err", 0600, ethtool, &ns->ethtool.set_err);
+	debugfs_create_u32("speed", 0600, ethtool, &ns->ethtool.speed);
+	debugfs_create_u8("duplex", 0600, ethtool, &ns->ethtool.duplex);