+extern int
+qeth_osn_assist(struct net_device *, void *, int);
+
+extern int
+qeth_osn_register(unsigned char *read_dev_no,
+ struct net_device **,
+ int (*assist_cb)(struct net_device *, void *),
+ int (*data_cb)(struct sk_buff *));
+
+extern void
+qeth_osn_deregister(struct net_device *);
+