Treewide there are ~60 declarations of a ethernet broadcast address as a 6 byte array that are later used as either an output for vsprintf extension %pM or as a source array to copy or compare.
Perhaps it'd be useful to declare a global static const u8[] in net somewhere instead to save the text/data space of these duplicate declarations. $ grep-2.5.4 -n --include=*.[ch] "\b(?:static\s+)?(?:const\s+)?(?:char|unsigned\s+char|u8)\s+\w+\s*\[\s*(?:ETH_ALEN|6)\s*\]\s*=\s*\{\s*(?:(?i:0xff|255),\s*){5,5}\s*(?i:0xff|255)\s*\}" * | \ grep -P "\.[ch]:\d+:"