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linux-next/net/mpls
Simon Horman 0d227a8672 mpls: allow routes on ipgre devices
This appears to be necessary and sufficient to provide
MPLS in GRE (RFC4023) support.

This can be used by establishing an ipgre tunnel device
and then routing MPLS over it.

The following example will forward MPLS frames received with an outermost
MPLS label 100 over tun1, a GRE tunnel. The forwarded packet will have the
outermost MPLS LSE removed and two new LSEs added with labels 200
(outermost) and 300 (next).

ip link add name tun1 type gre remote 10.0.99.193 local 10.0.99.192 ttl 225
ip link set up dev tun1
ip addr add 10.0.98.192/24 dev tun1
ip route sh

echo 1 > /proc/sys/net/mpls/conf/eth0/input
echo 101 > /proc/sys/net/mpls/platform_labels
ip -f mpls route add 100 as 200/300 via inet 10.0.98.193
ip -f mpls route sh

Also remove unnecessary braces.

Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Robert Shearman <rshearma@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16 17:12:07 -07:00
..
af_mpls.c mpls: allow routes on ipgre devices 2016-06-16 17:12:07 -07:00
internal.h mpls: support for dead routes 2015-12-03 15:03:27 -05:00
Kconfig mpls: ip tunnel support 2015-07-21 10:39:05 -07:00
Makefile mpls: ip tunnel support 2015-07-21 10:39:05 -07:00
mpls_gso.c gso: Remove arbitrary checks for unsupported GSO 2016-05-20 18:03:15 -04:00
mpls_iptunnel.c mpls: autoload lwt module 2016-02-21 22:00:28 -05:00