This backports:
commit ad7eee98bef92481581060801bdfd1b25a6106c0
Author: Johannes Berg <johannes.berg@xxxxxxxxx>
Commit: David S. Miller <davem@xxxxxxxxxxxxx>
etherdevice: introduce eth_broadcast_addr
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 <johannes.berg@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
$ git describe --contains ad7eee98bef92481581060801bdfd1b25a6106c0
v3.6-rc1~125^2~252
Trying kernel 3.5.0-030500-generic [OK]
Trying kernel 3.4.4-030404-generic [OK]
Trying kernel 3.3.7-030307-generic [OK]
Trying kernel 3.2.2-030202-generic [OK]
Trying kernel 3.1.10-030110-generic [OK]
Trying kernel 3.0.18-030018-generic [OK]
Trying kernel 2.6.39-02063904-generic [OK]
Trying kernel 2.6.38-02063808-generic [OK]
Trying kernel 2.6.37-02063706-generic [OK]
Trying kernel 2.6.36-02063604-generic [OK]
Trying kernel 2.6.35-02063512-generic [OK]
Trying kernel 2.6.34-02063410-generic [OK]
Trying kernel 2.6.33-02063305-generic [OK]
Trying kernel 2.6.32-02063255-generic [OK]
Trying kernel 2.6.31-02063113-generic [OK]
Trying kernel 2.6.30-02063010-generic [OK]
Trying kernel 2.6.29-02062906-generic [OK]
Trying kernel 2.6.28-02062810-generic [OK]
Trying kernel 2.6.27-020627-generic [OK]
Trying kernel 2.6.26-020626-generic [OK]
Trying kernel 2.6.25-020625-generic [OK]
Trying kernel 2.6.24-020624-generic [OK]
Signed-off-by: Ozan Çağlayan <ozancag@xxxxxxxxx>
---
include/linux/compat-3.6.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/linux/compat-3.6.h b/include/linux/compat-3.6.h
index 63753cd..97b5993 100644
--- a/include/linux/compat-3.6.h
+++ b/include/linux/compat-3.6.h
@@ -48,6 +48,17 @@
#include <linux/etherdevice.h>
/**
+ * 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_random_addr - Generate software assigned random Ethernet address
* @addr: Pointer to a six-byte array containing the Ethernet address
*
--
1.7.11.4
--
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