Integrate USB gadget layer and USB CDC driver layer

Derived from Linux kernel 2.6.27

Signed-off-by: Thomas Smits <ts.smits@gmail.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
diff --git a/include/net.h b/include/net.h
index ab571eb..a29dafc 100644
--- a/include/net.h
+++ b/include/net.h
@@ -125,8 +125,10 @@
 extern int eth_setenv_enetaddr(char *name, const uchar *enetaddr);
 extern int eth_getenv_enetaddr_by_index(int index, uchar *enetaddr);
 
+extern int usb_eth_initialize(bd_t *bi);
 extern int eth_init(bd_t *bis);			/* Initialize the device */
 extern int eth_send(volatile void *packet, int length);	   /* Send a packet */
+
 #ifdef CONFIG_API
 extern int eth_receive(volatile void *packet, int length); /* Receive a packet*/
 #endif
@@ -481,7 +483,18 @@
 	return (0x01 & addr[0]);
 }
 
-/**
+/*
+ * is_broadcast_ether_addr - Determine if the Ethernet address is broadcast
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is the broadcast address.
+ */
+static inline int is_broadcast_ether_addr(const u8 *addr)
+{
+	return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff;
+}
+
+/*
  * is_valid_ether_addr - Determine if the given Ethernet address is valid
  * @addr: Pointer to a six-byte array containing the Ethernet address
  *
@@ -490,7 +503,7 @@
  *
  * Return true if the address is valid.
  */
-static inline int is_valid_ether_addr(const u8 * addr)
+static inline int is_valid_ether_addr(const u8 *addr)
 {
 	/* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
 	 * explicitly check for it here. */