The total ethernet frame length should be written to the hardware
register LTQ_ETOP_IGPLEN instead of just the value of the MTU. This
patch fixes network issues on various Danube boards, especially when
VLAN tagging is enabled.
Signed-off-by: Matti Laakso <malaakso at elisanet.fi>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40541 3c298f89-4303-0410-b956-a3cf2f4a3e73