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authorJoe Perches <joe@perches.com>2012-05-08 18:56:45 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-09 20:49:16 -0400
commita599b0f54d233d0f63d6be9a2ff0049d24751669 (patch)
treef2af4db8faa12de568e31d475f4680cb5e7d282d /include/linux/etherdevice.h
parenta49d1a905ed96c7a790d9535e2bc62d3f2f55a05 (diff)
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etherdevice.h: Add ether_addr_equal
Add a boolean function to check if 2 ethernet addresses are the same. This is to avoid any confusion about compare_ether_addr returning an unsigned, and not being able to use the compare_ether_addr function for sorting ala memcmp. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/etherdevice.h')
-rw-r--r--include/linux/etherdevice.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index c47631fac229..f3301140d28a 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -171,6 +171,18 @@ static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2)
return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) != 0;
}
+/**
+ * ether_addr_equal - 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
+ *
+ * Compare two ethernet addresses, returns true if equal
+ */
+static inline bool ether_addr_equal(const u8 *addr1, const u8 *addr2)
+{
+ return !compare_ether_addr(addr1, addr2);
+}
+
static inline unsigned long zap_last_2bytes(unsigned long value)
{
#ifdef __BIG_ENDIAN