-void eth_parse_enetaddr(const char *addr, uchar *enetaddr);
-int eth_getenv_enetaddr(char *name, uchar *enetaddr);
-int eth_setenv_enetaddr(char *name, const uchar *enetaddr);
+
+/**
+ * eth_env_set_enetaddr_by_index() - set the MAC address environment variable
+ *
+ * This sets up an environment variable with the given MAC address (@enetaddr).
+ * The environment variable to be set is defined by <@base_name><@index>addr.
+ * If @index is 0 it is omitted. For common Ethernet this means ethaddr,
+ * eth1addr, etc.
+ *
+ * @base_name: Base name for variable, typically "eth"
+ * @index: Index of interface being updated (>=0)
+ * @enetaddr: Pointer to MAC address to put into the variable
+ * @return 0 if OK, other value on error
+ */
+int eth_env_set_enetaddr_by_index(const char *base_name, int index,
+ uchar *enetaddr);
+
+
+/*
+ * Initialize USB ethernet device with CONFIG_DM_ETH
+ * Returns:
+ * 0 is success, non-zero is error status.
+ */
+int usb_ether_init(void);