#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 */