IPv6: MIPv6 route optimization mode

modulename: xfrm6_mode_ro.ko

configname: CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>The IPv6 protocol
└─>IPv6: MIPv6 route optimization mode
In linux kernel since version 2.6.19 (release Date: 2006-11-29)  
Support for MIPv6 route optimization mode.

source code: