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authorHauke Mehrtens <hauke@hauke-m.de>2014-01-18 17:11:10 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2014-01-18 20:54:22 +0100
commit99d56a7a01eb87925ce73e9eb52a7dfcea53f656 (patch)
tree373dc605814e9451cd44c9793001bef90263a972 /backport
parent40ea2e10b713d724331ff765081daf6ea30b07b2 (diff)
backports: add ether_addr_equal_unaligned()
ether_addr_equal_unaligned() is used by some drivers. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'backport')
-rw-r--r--backport/backport-include/linux/etherdevice.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/backport/backport-include/linux/etherdevice.h b/backport/backport-include/linux/etherdevice.h
index cf028522..cf1e31f6 100644
--- a/backport/backport-include/linux/etherdevice.h
+++ b/backport/backport-include/linux/etherdevice.h
@@ -190,4 +190,24 @@ static inline bool ether_addr_equal_64bits(const u8 addr1[6+2],
}
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0) */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
+/**
+ * ether_addr_equal_unaligned - Compare two not u16 aligned 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
+ *
+ * Please note: Use only when any Ethernet address may not be u16 aligned.
+ */
+static inline bool ether_addr_equal_unaligned(const u8 *addr1, const u8 *addr2)
+{
+#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
+ return ether_addr_equal(addr1, addr2);
+#else
+ return memcmp(addr1, addr2, ETH_ALEN) == 0;
+#endif
+}
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0) */
+
#endif /* _BACKPORT_LINUX_ETHERDEVICE_H */