1#ifndef __LINUX_IP6_NETFILTER_H
2#define __LINUX_IP6_NETFILTER_H
3
4/* IPv6-specific defines for netfilter.
5 * (C)1998 Rusty Russell -- This code is GPL.
6 * (C)1999 David Jeffery
7 *   this header was blatantly ripped from netfilter_ipv4.h
8 *   it's amazing what adding a bunch of 6s can do =8^)
9 */
10
11#include <linux/netfilter.h>
12
13/* IP Cache bits. */
14/* Src IP address. */
15#define NFC_IP6_SRC              0x0001
16/* Dest IP address. */
17#define NFC_IP6_DST              0x0002
18/* Input device. */
19#define NFC_IP6_IF_IN            0x0004
20/* Output device. */
21#define NFC_IP6_IF_OUT           0x0008
22/* TOS. */
23#define NFC_IP6_TOS              0x0010
24/* Protocol. */
25#define NFC_IP6_PROTO            0x0020
26/* IP options. */
27#define NFC_IP6_OPTIONS          0x0040
28/* Frag & flags. */
29#define NFC_IP6_FRAG             0x0080
30
31
32/* Per-protocol information: only matters if proto match. */
33/* TCP flags. */
34#define NFC_IP6_TCPFLAGS         0x0100
35/* Source port. */
36#define NFC_IP6_SRC_PT           0x0200
37/* Dest port. */
38#define NFC_IP6_DST_PT           0x0400
39/* Something else about the proto */
40#define NFC_IP6_PROTO_UNKNOWN    0x2000
41
42
43/* IP6 Hooks */
44/* After promisc drops, checksum checks. */
45#define NF_IP6_PRE_ROUTING	0
46/* If the packet is destined for this box. */
47#define NF_IP6_LOCAL_IN		1
48/* If the packet is destined for another interface. */
49#define NF_IP6_FORWARD		2
50/* Packets coming from a local process. */
51#define NF_IP6_LOCAL_OUT		3
52/* Packets about to hit the wire. */
53#define NF_IP6_POST_ROUTING	4
54#define NF_IP6_NUMHOOKS		5
55
56
57enum nf_ip6_hook_priorities {
58	NF_IP6_PRI_FIRST = INT_MIN,
59	NF_IP6_PRI_CONNTRACK = -200,
60	NF_IP6_PRI_MANGLE = -150,
61	NF_IP6_PRI_NAT_DST = -100,
62	NF_IP6_PRI_FILTER = 0,
63	NF_IP6_PRI_NAT_SRC = 100,
64	NF_IP6_PRI_LAST = INT_MAX,
65};
66
67#endif /*__LINUX_IP6_NETFILTER_H*/
68