Commit 51e7eed7 authored by Tobias Klauser's avatar Tobias Klauser Committed by David S. Miller

etherdevice.h: Add is_unicast_ether_addr function

From a check for !is_multicast_ether_addr it is not always obvious that
we're checking for a unicast address. So add this helper function to
make those code paths easier to read.
Signed-off-by: default avatarTobias Klauser <tklauser@distanz.ch>
Acked-by: default avatarChris Metcalf <cmetcalf@tilera.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5cd8a77d
...@@ -98,6 +98,17 @@ static inline int is_broadcast_ether_addr(const u8 *addr) ...@@ -98,6 +98,17 @@ static inline int is_broadcast_ether_addr(const u8 *addr)
return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff; return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff;
} }
/**
* is_unicast_ether_addr - Determine if the Ethernet address is unicast
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is a unicast address.
*/
static inline int is_unicast_ether_addr(const u8 *addr)
{
return !is_multicast_ether_addr(addr);
}
/** /**
* is_valid_ether_addr - Determine if the given Ethernet address is valid * is_valid_ether_addr - Determine if the given Ethernet address is valid
* @addr: Pointer to a six-byte array containing the Ethernet address * @addr: Pointer to a six-byte array containing the Ethernet address
......
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