gether_connect
net = gether_connect(&ecm->port);
net = gether_connect(&eem->port);
net = gether_connect(&ncm->port);
net = gether_connect(&rndis->port);
net = gether_connect(&geth->port);
EXPORT_SYMBOL_GPL(gether_connect);
struct net_device *gether_connect(struct gether *);