CONFIG_ARC_EMAC_CORE (not configurable)

modulename: arc_emac.ko

configname: CONFIG_ARC_EMAC_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>ARC_EMAC_CORE
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/net/ethernet/arc/