Edit File: netfilter_arp.h
#ifndef __LINUX_ARP_NETFILTER_H #define __LINUX_ARP_NETFILTER_H /* ARP-specific defines for netfilter. * (C)2002 Rusty Russell IBM -- This code is GPL. */ #include <linux/netfilter.h> /* There is no PF_ARP. */ #define NF_ARP 0 /* ARP Hooks */ #define NF_ARP_IN 0 #define NF_ARP_OUT 1 #define NF_ARP_FORWARD 2 #define NF_ARP_NUMHOOKS 3 #endif /* __LINUX_ARP_NETFILTER_H */