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ba914908 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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2/* IPv6-specific defines for netfilter.
3 * (C)1998 Rusty Russell -- This code is GPL.
4 * (C)1999 David Jeffery
5 * this header was blatantly ripped from netfilter_ipv4.h
6 * it's amazing what adding a bunch of 6s can do =8^)
7 */
8#ifndef __LINUX_IP6_NETFILTER_H
9#define __LINUX_IP6_NETFILTER_H
10
11
12#include <linux/netfilter.h>
13
14/* only for userspace compatibility */
15
16#include <limits.h> /* for INT_MIN, INT_MAX */
17
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18/* IP6 Hooks */
19/* After promisc drops, checksum checks. */
20#define NF_IP6_PRE_ROUTING 0
21/* If the packet is destined for this box. */
22#define NF_IP6_LOCAL_IN 1
23/* If the packet is destined for another interface. */
24#define NF_IP6_FORWARD 2
25/* Packets coming from a local process. */
26#define NF_IP6_LOCAL_OUT 3
27/* Packets about to hit the wire. */
28#define NF_IP6_POST_ROUTING 4
29#define NF_IP6_NUMHOOKS 5
30
31
32enum nf_ip6_hook_priorities {
33 NF_IP6_PRI_FIRST = INT_MIN,
07ed8df6 34 NF_IP6_PRI_RAW_BEFORE_DEFRAG = -450,
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35 NF_IP6_PRI_CONNTRACK_DEFRAG = -400,
36 NF_IP6_PRI_RAW = -300,
37 NF_IP6_PRI_SELINUX_FIRST = -225,
38 NF_IP6_PRI_CONNTRACK = -200,
39 NF_IP6_PRI_MANGLE = -150,
40 NF_IP6_PRI_NAT_DST = -100,
41 NF_IP6_PRI_FILTER = 0,
42 NF_IP6_PRI_SECURITY = 50,
43 NF_IP6_PRI_NAT_SRC = 100,
44 NF_IP6_PRI_SELINUX_LAST = 225,
45 NF_IP6_PRI_CONNTRACK_HELPER = 300,
46 NF_IP6_PRI_LAST = INT_MAX,
47};
48
49
50#endif /* __LINUX_IP6_NETFILTER_H */