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
39 enum 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
50 struct 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
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