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 */
14 #include <limits.h> /* for INT_MIN, INT_MAX */
18 #define NFC_DN_SRC 0x0001
19 /* Dest IP address. */
20 #define NFC_DN_DST 0x0002
22 #define NFC_DN_IF_IN 0x0004
24 #define NFC_DN_IF_OUT 0x0008
27 /* After promisc drops, checksum checks. */
28 #define NF_DN_PRE_ROUTING 0
29 /* If the packet is destined for this box. */
30 #define NF_DN_LOCAL_IN 1
31 /* If the packet is destined for another interface. */
32 #define NF_DN_FORWARD 2
33 /* Packets coming from a local process. */
34 #define NF_DN_LOCAL_OUT 3
35 /* Packets about to hit the wire. */
36 #define NF_DN_POST_ROUTING 4
37 /* Input Hello Packets */
39 /* Input Routing Packets */
41 #define NF_DN_NUMHOOKS 7
43 enum nf_dn_hook_priorities {
44 NF_DN_PRI_FIRST = INT_MIN,
45 NF_DN_PRI_CONNTRACK = -200,
46 NF_DN_PRI_MANGLE = -150,
47 NF_DN_PRI_NAT_DST = -100,
49 NF_DN_PRI_NAT_SRC = 100,
50 NF_DN_PRI_DNRTMSG = 200,
51 NF_DN_PRI_LAST = INT_MAX,
58 #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg)))
60 /* backwards compatibility for userspace */
61 #define DNRMG_L1_GROUP 0x01
62 #define DNRMG_L2_GROUP 0x02
66 #define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE
68 #define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1
70 #define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2
73 #define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1)
75 #endif /*__LINUX_DECNET_NETFILTER_H*/