[PATCH net-next-2.6] etherdevice.h: Add is_unicast_ether_addr function
flat view
STALE5760d
From: Tobias Klauser <tklauser@distanz.ch>
Date: 2011-01-13 08:14:58
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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: Tobias Klauser <tklauser@distanz.ch> --- include/linux/etherdevice.h | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index bec8b82..ab68f78 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h@@ -99,6 +99,17 @@ static inline int is_broadcast_ether_addr(const u8 *addr) } /** + * 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 * @addr: Pointer to a six-byte array containing the Ethernet address *
--
1.7.0.4