1#ifndef __LINUX_DECNET_NETFILTER_H
2#define __LINUX_DECNET_NETFILTER_H
3
4/* DECnet-specific defines for netfilter.
5 * This file (C) Steve Whitehouse 1999 derived from the
6 * ipv4 netfilter header file which is
7 * (C)1998 Rusty Russell -- This code is GPL.
8 */
9
10#include <linux/netfilter.h>
11
12/* IP Cache bits. */
13/* Src IP address. */
14#define NFC_DN_SRC		0x0001
15/* Dest IP address. */
16#define NFC_DN_DST		0x0002
17/* Input device. */
18#define NFC_DN_IF_IN		0x0004
19/* Output device. */
20#define NFC_DN_IF_OUT		0x0008
21
22/* DECnet Hooks */
23/* After promisc drops, checksum checks. */
24#define NF_DN_PRE_ROUTING	0
25/* If the packet is destined for this box. */
26#define NF_DN_LOCAL_IN		1
27/* If the packet is destined for another interface. */
28#define NF_DN_FORWARD		2
29/* Packets coming from a local process. */
30#define NF_DN_LOCAL_OUT		3
31/* Packets about to hit the wire. */
32#define NF_DN_POST_ROUTING	4
33/* Input Hello Packets */
34#define NF_DN_HELLO		5
35/* Input Routing Packets */
36#define NF_DN_ROUTE		6
37#define NF_DN_NUMHOOKS		7
38
39enum nf_dn_hook_priorities {
40	NF_DN_PRI_FIRST = INT_MIN,
41	NF_DN_PRI_CONNTRACK = -200,
42	NF_DN_PRI_MANGLE = -150,
43	NF_DN_PRI_NAT_DST = -100,
44	NF_DN_PRI_FILTER = 0,
45	NF_DN_PRI_NAT_SRC = 100,
46	NF_DN_PRI_DNRTMSG = 200,
47	NF_DN_PRI_LAST = INT_MAX,
48};
49
50struct nf_dn_rtmsg {
51	int nfdn_ifindex;
52};
53
54#define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg)))
55
56#define DNRMG_L1_GROUP 0x01
57#define DNRMG_L2_GROUP 0x02
58
59#endif /*__LINUX_DECNET_NETFILTER_H*/
60