--- a/include/uapi/linux/netfilter_arp/arp_tables.h
+++ b/include/uapi/linux/netfilter_arp/arp_tables.h
@@ -68,6 +68,13 @@ struct arpt_arp {
 	__u8 flags;
 	/* Inverse flags */
 	__u16 invflags;
+
+	/* For some reason Linaro GCC 4.6-2013.05 omits the two
+	 * byte padding here when building for MIPS 34kc, leading to
+	 * userspace abi mismatches.
+	 * Add a dummy field to align this struct to 4 bytes
+	 */
+	__u16 padding;
 };
 
 /* Values for "flag" field in struct arpt_ip (general arp structure).
