From 3a9752bbd2bc00e407b5dcad21789720f40abf0e Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Mon, 18 Aug 2014 13:08:52 +0000
Subject: [PATCH] ramips: add a workaround to fix failsafe on RT5350
Due to TCP connections not working when VLAN is disabled, this is
needed to get failsafe functional.
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
SVN-Revision: 42179
---
.../lib/preinit/07_set_preinit_iface_ramips | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips b/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
index db03b6bde6..ab87421bb9 100644
--- a/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
+++ b/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
@@ -11,7 +11,24 @@ ramips_set_preinit_iface() {
swconfig dev rt305x set reset 1
fi
- ifname=eth0
+ if echo $RT3X5X | grep -q RT5350; 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
+ vconfig add eth0 1
+ ifconfig eth0 up
+ ifname=eth0.1
+ else
+ ifname=eth0
+ fi
}
boot_hook_add preinit_main ramips_set_preinit_iface
--
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