+#ifdef CONFIG_DM_ETH
+/**
+ * usb_ether_register() - register a new USB ethernet device
+ *
+ * This selects the correct USB interface and figures out the endpoints to use.
+ *
+ * @dev: USB device
+ * @ss: Place to put USB ethernet data
+ * @rxsize: Maximum size to allocate for the receive buffer
+ * @return 0 if OK, -ve on error
+ */
+int usb_ether_register(struct udevice *dev, struct ueth_data *ueth, int rxsize);
+
+/**
+ * usb_ether_deregister() - deregister a USB ethernet device
+ *
+ * @ueth: USB Ethernet device
+ * @return 0
+ */
+int usb_ether_deregister(struct ueth_data *ueth);
+
+/**
+ * usb_ether_receive() - recieve a packet from the bulk in endpoint
+ *
+ * The packet is stored in the internal buffer ready for processing.
+ *
+ * @ueth: USB Ethernet device
+ * @rxsize: Maximum size to receive
+ * @return 0 if a packet was received, -EAGAIN if not, -ENOSPC if @rxsize is
+ * larger than the size passed ot usb_ether_register(), other -ve on error
+ */
+int usb_ether_receive(struct ueth_data *ueth, int rxsize);
+
+/**
+ * usb_ether_get_rx_bytes() - obtain bytes from the internal packet buffer
+ *
+ * This should be called repeatedly to obtain packet data until it returns 0.
+ * After each packet is processed, call usb_ether_advance_rxbuf() to move to
+ * the next one.
+ *
+ * @ueth: USB Ethernet device
+ * @ptrp: Returns a pointer to the start of the next packet if there is
+ * one available
+ * @return number of bytes available, or 0 if none
+ */
+int usb_ether_get_rx_bytes(struct ueth_data *ueth, uint8_t **ptrp);
+
+/**
+ * usb_ether_advance_rxbuf() - Advance to the next packet in the internal buffer
+ *
+ * After processing the data returned by usb_ether_get_rx_bytes(), call this
+ * function to move to the next packet. You must specify the number of bytes
+ * you have processed in @num_bytes.
+ *
+ * @ueth: USB Ethernet device
+ * @num_bytes: Number of bytes to skip, or -1 to skip all bytes
+ */
+void usb_ether_advance_rxbuf(struct ueth_data *ueth, int num_bytes);
+#else