patch-2.4.3 linux/include/linux/etherdevice.h

• Lines: 31
• Date: Sun Mar 25 18:24:31 2001
• Orig file: v2.4.2/linux/include/linux/etherdevice.h
• Orig date: Fri Oct 27 12:22:34 2000

diff -u --recursive --new-file v2.4.2/linux/include/linux/etherdevice.h linux/include/linux/etherdevice.h
@@ -38,11 +38,28 @@
 					 struct hh_cache *hh);
 extern int		eth_header_parse(struct sk_buff *skb,
 					 unsigned char *haddr);
-extern struct net_device	* init_etherdev(struct net_device *, int);
+extern struct net_device *init_etherdev(struct net_device *dev, int sizeof_priv);
+extern struct net_device *alloc_etherdev(int sizeof_priv);
 
-static __inline__ void eth_copy_and_sum (struct sk_buff *dest, unsigned char *src, int len, int base)
+static inline void eth_copy_and_sum (struct sk_buff *dest, unsigned char *src, int len, int base)
 {
 	memcpy (dest->data, src, len);
+}
+
+/**
+ * is_valid_ether_addr - Determine if the given Ethernet address is valid
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
+ * a multicast address, and is not FF:FF:FF:FF:FF:FF.
+ *
+ * Return true if the address is valid.
+ */
+static inline int is_valid_ether_addr( u8 *addr )
+{
+	const char zaddr[6] = {0,};
+
+	return !(addr[0]&1) && memcmp( addr, zaddr, 6);
 }
 
 #endif