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#!/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
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