ARPFILTER         131 include/linux/inetdevice.h #define IN_DEV_ARPFILTER(in_dev)	IN_DEV_ORCONF((in_dev), ARPFILTER)
ARPFILTER        2528 net/ipv4/devinet.c 		DEVINET_SYSCTL_RW_ENTRY(ARPFILTER, "arp_filter"),