MPLS: routing support

modulename: mpls_router.ko

configname: CONFIG_MPLS_ROUTING

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>MultiProtocol Label Switching
└─>MPLS: routing support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Add support for forwarding of mpls packets.

source code: