Add netconf support to MPLS. Allows userpsace to learn and be notified
of changes to 'input' enable setting per interface.
Acked-by: NNicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com>
Acked-by: NRobert Shearman <rshearma@brocade.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>