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path: root/target/linux/ramips/base-files/etc/uci-defaults/network
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#!/bin/sh

. /etc/functions.sh
. /lib/ramips.sh

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

create_lan_wan()
{
	uci batch <<EOF
set network.lan.ifname=eth0.1
set network.wan=interface
set network.wan.ifname=eth0.2
set network.wan.proto=dhcp
commit network
EOF
}

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

	part=$(find_mtd_part "$mtdname")
	if [ -z "$part" ]; then
		echo "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
}

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

	part=$(find_mtd_part "$mtdname")
	if [ -z "$part" ]; then
		echo "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
}

set_macs()
{
	local lan_mac="$1"
	local wan_mac="$2"

	echo "Setting LAN mac address to: $lan_mac" >&2
	echo "Setting WAN mac address to: $wan_mac" >&2

	uci batch <<EOF
set network.lan.macaddr='$lan_mac'
set network.wan.macaddr='$wan_mac'
commit network
EOF
}

set_macs_only_lan()
{
	local lan_mac="$1"
	local wan_mac

	wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 1)

	set_macs "$lan_mac" "$wan_mac"
}

set_macs_only_lan_from_mtd()
{
	local mtdname="$1"
	local seek="$2"
	local lan_mac

	lan_mac=$(get_mac_binary "$mtdname" "$seek")
	if [ -z $lan_mac ]; then
		echo "set_macs_only_lan_from_mtd: can't extract mac address from $part" >&2
		return
	fi

	set_macs_only_lan "$lan_mac"
}

set_macs_only_lan_from_nvram()
{
	local mtdname="$1"
	local key="$2"
	local lan_mac

	lan_mac=$(get_mac_nvram "$mtdname" "$key")
	if [ -z $lan_mac ]; then
		echo "set_macs_only_lan_from_nvram: can't extract mac address from $part" >&2
		return
	fi

	set_macs_only_lan "$lan_mac"
}

ramips_setup_interfaces()
{
	local board="$1"

	case $board in
	argus-atp52b | \
	b2c | \
	f5d8235-v2 | \
	nw718)
		create_lan_wan
		;;

	*)
		RT3X5X=`cat /proc/cpuinfo | grep RT3.5`
		[ -z "${RT3X5X}" ] || create_lan_wan
		;;
	esac
}

ramips_setup_macs()
{
	local board="$1"

	case $board in
	f5d8235-v2)
		set_macs_only_lan_from_mtd "u-boot" 262148
		;;

	argus-atp52b | \
	b2c | \
	nw718)
		set_macs_only_lan_from_mtd "factory" 4
		;;
	esac
}

board=$(ramips_board_name)

ramips_setup_interfaces $board
ramips_setup_macs $board