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