#!/bin/sh

. /etc/functions.sh
. /lib/ramips.sh
. /lib/functions/uci-defaults.sh

if [ ! -x /usr/sbin/maccalc ]; then
	echo "$0: maccalc not found!"
	return
fi

ramips_get_mac_binary()
{
	local mtdname="$1"
	local seek="$2"
	local part

	part=$(find_mtd_part "$mtdname")
	if [ -z "$part" ]; then
		echo "ramips_get_mac_binary: partition $mtdname not found!" >&2
		return
	fi

	dd bs=1 skip=$seek count=6 if=$part 2>/dev/null | /usr/sbin/maccalc bin2mac
}

ramips_get_mac_nvram()
{
	local mtdname="$1"
	local key="$2"
	local part
	local mac_dirty

	part=$(find_mtd_part "$mtdname")
	if [ -z "$part" ]; then
		echo "ramips_get_mac_nvram: partition $mtdname not found!" >&2
		return
	fi

	mac_dirty=$(strings "$part" | sed -n 's/'"$key"'=//p')
	# "canonicalize" mac
	maccalc add "$mac_dirty" 0
}

ramips_setup_interfaces()
{
	local board="$1"

	ucidef_set_interface_loopback

	case $board in
	argus-atp52b | \
	b2c | \
	f5d8235-v2 | \
	nw718)
		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
		;;

	rt-n15)
		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
		ucidef_add_switch "rtl8366s" "1" "1"
		ucidef_add_switch_vlan "rtl8366s" "1" "1 2 3 4 5t"
		ucidef_add_switch_vlan "rtl8366s" "2" "0 5t"
		;;

	*)
		RT3X5X=`cat /proc/cpuinfo | grep RT3.5`
		if [ -n "${RT3X5X}" ]; then
			ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
		else
			ucidef_set_interfaces_lan_wan "eth0" "eth1"
		fi
		;;
	esac
}

ramips_setup_macs()
{
	local board="$1"
	local lan_mac=""
	local wan_mac=""

	case $board in
	f5d8235-v2)
		lan_mac=$(ramips_get_mac_nvram "u-boot" 262148)
		wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 1)
		;;

	argus-atp52b | \
	b2c | \
	nw718 | \
	rt-n15)
		lan_mac=$(ramips_get_mac_binary factory 4)
		wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 1)
		;;
	esac

	[ -n $lan_mac ] && ucidef_set_interface_macaddr lan $lan_mac
	[ -n $wan_mac ] && ucidef_set_interface_macaddr wan $wan_mac
}

[ -e /etc/config/network ] && exit 0

touch /etc/config/network

board=$(ramips_board_name)

ramips_setup_interfaces $board
ramips_setup_macs $board

uci commit network

exit 0