[PATCH] etherdevice: introduce eth_broadcast_addr
From: Johannes Berg <johannes@sipsolutions.net>
Date: 2012-07-10 16:18:48
Also in:
netdev
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2012-07-11 · Re: [PATCH] etherdevice: introduce eth_broadcast_addr · Johannes Berg <hidden>
- 2012-07-11 · Re: [PATCH] etherdevice: introduce eth_broadcast_addr · Joe Perches <hidden>
From: Johannes Berg <redacted> A lot of code has either the memset or an inefficient copy from a static array that contains the all-ones broadcast address. Introduce eth_broadcast_addr() to fill an address with all ones, making the code clearer and allowing us to get rid of some constant arrays. Signed-off-by: Johannes Berg <redacted> --- include/linux/etherdevice.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 3d406e0..98a27cc 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h@@ -138,6 +138,17 @@ static inline void random_ether_addr(u8 *addr) } /** + * eth_broadcast_addr - Assign broadcast address + * @addr: Pointer to a six-byte array containing the Ethernet address + * + * Assign the broadcast address to the given address array. + */ +static inline void eth_broadcast_addr(u8 *addr) +{ + memset(addr, 0xff, ETH_ALEN); +} + +/** * eth_hw_addr_random - Generate software assigned random Ethernet and * set device flag * @dev: pointer to net_device structure
--
1.7.10.4