1 #ifndef __LINUX_DECNET_NETFILTER_H
2 #define __LINUX_DECNET_NETFILTER_H
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.
10 #include <linux/netfilter.h>
12 /* only for userspace compatibility */
15 #define NFC_DN_SRC 0x0001
16 /* Dest IP address. */
17 #define NFC_DN_DST 0x0002
19 #define NFC_DN_IF_IN 0x0004
21 #define NFC_DN_IF_OUT 0x0008
24 /* After promisc drops, checksum checks. */
25 #define NF_DN_PRE_ROUTING 0
26 /* If the packet is destined for this box. */
27 #define NF_DN_LOCAL_IN 1
28 /* If the packet is destined for another interface. */
29 #define NF_DN_FORWARD 2
30 /* Packets coming from a local process. */
31 #define NF_DN_LOCAL_OUT 3
32 /* Packets about to hit the wire. */
33 #define NF_DN_POST_ROUTING 4
34 /* Input Hello Packets */
36 /* Input Routing Packets */
38 #define NF_DN_NUMHOOKS 7
40 enum nf_dn_hook_priorities {
41 NF_DN_PRI_FIRST = INT_MIN,
42 NF_DN_PRI_CONNTRACK = -200,
43 NF_DN_PRI_MANGLE = -150,
44 NF_DN_PRI_NAT_DST = -100,
46 NF_DN_PRI_NAT_SRC = 100,
47 NF_DN_PRI_DNRTMSG = 200,
48 NF_DN_PRI_LAST = INT_MAX,
55 #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg)))
57 /* backwards compatibility for userspace */
58 #define DNRMG_L1_GROUP 0x01
59 #define DNRMG_L2_GROUP 0x02
63 #define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE
65 #define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1
67 #define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2
70 #define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1)
72 #endif /*__LINUX_DECNET_NETFILTER_H*/