1 #ifndef __LINUX_ARP_NETFILTER_H
2 #define __LINUX_ARP_NETFILTER_H
3 
4 /* ARP-specific defines for netfilter.
5  * (C)2002 Rusty Russell IBM -- This code is GPL.
6  */
7 
8 #include <linux/config.h>
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_NUMHOOKS	2
18 
19 static DECLARE_MUTEX(arpt_mutex);
20 #endif /* __LINUX_ARP_NETFILTER_H */
21