#!/bin/sh
#
# Copyright (C) 2013 OpenWrt.org
#

. /lib/ramips.sh

ramips_set_preinit_iface() {
	RT3X5X=`cat /proc/cpuinfo | egrep "(RT3.5|RT5350|MT7628|MT7688)"`
	MT762X=`cat /proc/cpuinfo | egrep "MT7620"`

	if [ -n "${RT3X5X}" ]; then
		swconfig dev rt305x set reset 1
	elif [ -n "${MT762X}" ]; then
		# The mt7530 switch driver enables VLAN by default, but
		# failsafe uses eth0, making the device unreachable:
		# https://dev.openwrt.org/ticket/18768
		case "${MT762X}" in
		*MT7620*)
			mt762x_switchdev=mt7620
			;;
		esac
		swconfig dev $mt762x_switchdev set reset 1
		swconfig dev $mt762x_switchdev set enable_vlan 0
		swconfig dev $mt762x_switchdev set apply 1
	fi

	if echo $RT3X5X | egrep -q "(RT5350|MT7628|MT7688)"; then
		# This is a dirty hack to get by while the switch
		# problem is investigated. When VLAN is disabled, ICMP
		# pings work as expected, but TCP connections time
		# out, so telnetting in failsafe is impossible. The
		# likely reason is TCP checksumming hardware getting
		# disabled:
		# https://www.mail-archive.com/openwrt-devel@lists.openwrt.org/msg19870.html
		swconfig dev rt305x set enable_vlan 1
		swconfig dev rt305x vlan 1 set ports "0 6"
		swconfig dev rt305x port 6 set untag 0
		swconfig dev rt305x set apply 1
		ip link add link eth0 name eth0.1 type vlan id 1
		ip link set eth0 up
		ifname=eth0.1
	else
		ifname=eth0
	fi
}

boot_hook_add preinit_main ramips_set_preinit_iface