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Diffstat (limited to 'include/linux/etherdevice.h')
-rw-r--r--include/linux/etherdevice.h24
1 files changed, 15 insertions, 9 deletions
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 17460c85df7b..5f49a30eb6f2 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -48,8 +48,10 @@ static inline void eth_copy_and_sum (struct sk_buff *dest,
}
/**
- * is_zero_ether_addr - Determine if give Ethernet address is all
- * zeros.
+ * is_zero_ether_addr - Determine if give Ethernet address is all zeros.
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is all zeroes.
*/
static inline int is_zero_ether_addr(const u8 *addr)
{
@@ -57,9 +59,7 @@ static inline int is_zero_ether_addr(const u8 *addr)
}
/**
- * is_multicast_ether_addr - Determine if the given Ethernet address is a
- * multicast address.
- *
+ * is_multicast_ether_addr - Determine if the Ethernet address is a multicast.
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is a multicast address.
@@ -69,6 +69,12 @@ static inline int is_multicast_ether_addr(const u8 *addr)
return ((addr[0] != 0xff) && (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;
@@ -107,14 +113,14 @@ static inline void random_ether_addr(u8 *addr)
/**
* compare_ether_addr - Compare two Ethernet addresses
* @addr1: Pointer to a six-byte array containing the Ethernet address
- * @addr2 Pointer other six-byte array containing the Ethernet address
+ * @addr2: Pointer other six-byte array containing the Ethernet address
*
* Compare two ethernet addresses, returns 0 if equal
*/
-static inline unsigned compare_ether_addr(const u8 *_a, const u8 *_b)
+static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2)
{
- const u16 *a = (const u16 *) _a;
- const u16 *b = (const u16 *) _b;
+ const u16 *a = (const u16 *) addr1;
+ const u16 *b = (const u16 *) addr2;
BUILD_BUG_ON(ETH_ALEN != 6);
return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) != 0;