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Commit a599b0f5 authored by Joe Perches's avatar Joe Perches Committed by David S. Miller
Browse files

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: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a49d1a90

include/linux/etherdevice.h

+12 −0
Original line number Diff line number Diff line
@@ -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