1/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ 2#ifndef __LINUX_ARP_NETFILTER_H 3#define __LINUX_ARP_NETFILTER_H 4 5/* ARP-specific defines for netfilter. 6 * (C)2002 Rusty Russell IBM -- This code is GPL. 7 */ 8 9#include <linux/netfilter.h> 10 11/* There is no PF_ARP. */ 12#define NF_ARP 0 13 14/* ARP Hooks */ 15#define NF_ARP_IN 0 16#define NF_ARP_OUT 1 17#define NF_ARP_FORWARD 2 18 19#ifndef __KERNEL__ 20#define NF_ARP_NUMHOOKS 3 21#endif 22 23#endif /* __LINUX_ARP_NETFILTER_H */ 24