CONFIG_FUN_CORE (not configurable)

modulename: funcore.ko

configname: CONFIG_FUN_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>FUN_CORE
In linux kernel since version 5.2 (release Date: 2019-07-07)  
A service module offering basic common services to Fungible
device drivers.

source code: