netfilter_arp.h

 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 */