+
+static int fddi_change_mtu(struct net_device *dev, int new_mtu)
+{
+ if ((new_mtu < FDDI_K_SNAP_HLEN) || (new_mtu > FDDI_K_SNAP_DLEN))
+ return(-EINVAL);
+ dev->mtu = new_mtu;
+ return(0);
+}
+
+static void fddi_setup(struct net_device *dev)
+{
+ dev->change_mtu = fddi_change_mtu;
+ dev->hard_header = fddi_header;
+ dev->rebuild_header = fddi_rebuild_header;
+
+ dev->type = ARPHRD_FDDI;
+ dev->hard_header_len = FDDI_K_SNAP_HLEN+3; /* Assume 802.2 SNAP hdr len + 3 pad bytes */
+ dev->mtu = FDDI_K_SNAP_DLEN; /* Assume max payload of 802.2 SNAP frame */
+ dev->addr_len = FDDI_K_ALEN;
+ dev->tx_queue_len = 100; /* Long queues on FDDI */
+ dev->flags = IFF_BROADCAST | IFF_MULTICAST;
+
+ memset(dev->broadcast, 0xFF, FDDI_K_ALEN);
+}
+
+/**
+ * alloc_fddidev - Register FDDI device
+ * @sizeof_priv: Size of additional driver-private structure to be allocated
+ * for this FDDI device
+ *
+ * Fill in the fields of the device structure with FDDI-generic values.
+ *
+ * Constructs a new net device, complete with a private data area of
+ * size @sizeof_priv. A 32-byte (not bit) alignment is enforced for
+ * this private data area.
+ */
+struct net_device *alloc_fddidev(int sizeof_priv)
+{
+ return alloc_netdev(sizeof_priv, "fddi%d", fddi_setup);
+}
+EXPORT_SYMBOL(alloc_fddidev);