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| author | Joe Perches <joe@perches.com> | 2012-05-08 18:56:45 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-09 20:49:16 -0400 |
| commit | a599b0f54d233d0f63d6be9a2ff0049d24751669 (patch) | |
| tree | f2af4db8faa12de568e31d475f4680cb5e7d282d /include/linux/etherdevice.h | |
| parent | a49d1a905ed96c7a790d9535e2bc62d3f2f55a05 (diff) | |
| download | lwn-a599b0f54d233d0f63d6be9a2ff0049d24751669.tar.gz lwn-a599b0f54d233d0f63d6be9a2ff0049d24751669.zip | |
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.h | 12 |
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 |