CONFIG_IP_NF_ARPTABLES (not configurable)

modulename: arp_tables.ko

configname: CONFIG_IP_NF_ARPTABLES

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>IP: Netfilter Configuration
└─>IP_NF_ARPTABLES
In linux kernel since version 2.6.12  
source code: