#!/bin/sh

. /lib/functions.sh
. /lib/functions/system.sh

set_ether_mac() {
	local part
	local DEVID
	local MAC1
	local MAC2

	case "$(board_name)" in
	dlink,dns-313)
		# The DNS-313 has a special field in its RedBoot
		# binary that we need to check
		part="$(find_mtd_part RedBoot)"
		if [ -n "$part" ]; then
			DEVID="$(dd if=$part bs=1 skip=119508 count=7 2>/dev/null)"
			if [ "$DEVID" = "dns-313" ]; then
				MAC1="$(mtd_get_mac_binary RedBoot 119540)"
				ip link set eth0 address "$MAC1" 2>/dev/null
				return 0
			fi
		fi
		;;
	dlink,dir-685)
		# The DIR-685 has a special field in its RedBoot
		# binary that we need to check
		part=$(find_mtd_part RedBoot)
		if [ -n "$part" ] ; then
			DEVID="$(dd if=$part bs=1 skip=81516 count=7 2>/dev/null)"
			if [ "$DEVID" = "ILI9322" ] ; then
				MAC1=$(mtd_get_mac_binary RedBoot 95040)
				MAC2=$(mtd_get_mac_binary RedBoot 95046)
				ip link set eth0 address "$MAC1" 2>/dev/null
				ip link set eth1 address "$MAC2" 2>/dev/null
				return 0
			fi
		fi
		;;
	esac

	# Most devices have a standard "VCTL" partition
	part="$(find_mtd_part VCTL)"
	if [ -n "$part" ]; then
		MAC1="$(strings $part |grep MAC|cut -d: -f2|cut -c3-14|sed -e 's,\(..\),:\1,g' -e 's,^:,,')"
		MAC2="$(strings $part |grep MAC|cut -d: -f8|cut -c3-14|sed -e 's,\(..\),:\1,g' -e 's,^:,,')"

		ip link set eth0 address "$MAC1" 2>/dev/null
		ip link set eth1 address "$MAC2" 2>/dev/null
		return 0
	fi
}

boot_hook_add preinit_main set_ether_mac
