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ramips: Drop hacky switch workaround for failsafe on rt3x5x and rt5350.

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The new rt3050 switch driver doesn't have problems with TCP when not
using VLANs.

This piece of code also broke failsafe for all routers where the LAN
port is not wired to port 0 of the internal switch.

Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net>

SVN-Revision: 49293
This commit is contained in:
blogic 2016-05-02 18:51:20 +00:00 committed by Jo-Philipp Wich
parent 3f638902b6
commit 40bfe9f0bd
1 changed files with 9 additions and 28 deletions
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37
target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
View file

@ -6,43 +6,24 @@
. /lib/ramips.sh
ramips_set_preinit_iface() {
RT3X5X=`cat /proc/cpuinfo | egrep "(RT3.5|RT5350|MT7628|MT7688)"`
MT762X=`cat /proc/cpuinfo | egrep "MT7620"`
RT3X5X=`cat /proc/cpuinfo | egrep "(RT3.5|RT5350|MT7628|MT7688|MT7620)"`
if [ -n "${RT3X5X}" ]; then
swconfig dev rt305x set reset 1
elif [ -n "${MT762X}" ]; then
# The mt7530 switch driver enables VLAN by default, but
# The ethernet switch driver enables VLAN by default, but
# failsafe uses eth0, making the device unreachable:
# https://dev.openwrt.org/ticket/18768
case "${MT762X}" in
ralink_switchdev=rt305x
case "${RT3X5X}" in
*MT7620*)
mt762x_switchdev=mt7620
ralink_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
swconfig dev $ralink_switchdev set reset 1
swconfig dev $ralink_switchdev set enable_vlan 0
swconfig dev $ralink_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
ifname=eth0
}
boot_hook_add preinit_main ramips_set_preinit_iface