1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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^)
8 #ifndef _UAPI__LINUX_IP6_NETFILTER_H
9 #define _UAPI__LINUX_IP6_NETFILTER_H
12 #include <linux/netfilter.h>
14 /* only for userspace compatibility */
17 #include <limits.h> /* for INT_MIN, INT_MAX */
20 /* After promisc drops, checksum checks. */
21 #define NF_IP6_PRE_ROUTING 0
22 /* If the packet is destined for this box. */
23 #define NF_IP6_LOCAL_IN 1
24 /* If the packet is destined for another interface. */
25 #define NF_IP6_FORWARD 2
26 /* Packets coming from a local process. */
27 #define NF_IP6_LOCAL_OUT 3
28 /* Packets about to hit the wire. */
29 #define NF_IP6_POST_ROUTING 4
30 #define NF_IP6_NUMHOOKS 5
31 #endif /* ! __KERNEL__ */
34 enum nf_ip6_hook_priorities
{
35 NF_IP6_PRI_FIRST
= INT_MIN
,
36 NF_IP6_PRI_RAW_BEFORE_DEFRAG
= -450,
37 NF_IP6_PRI_CONNTRACK_DEFRAG
= -400,
38 NF_IP6_PRI_RAW
= -300,
39 NF_IP6_PRI_SELINUX_FIRST
= -225,
40 NF_IP6_PRI_CONNTRACK
= -200,
41 NF_IP6_PRI_MANGLE
= -150,
42 NF_IP6_PRI_NAT_DST
= -100,
43 NF_IP6_PRI_FILTER
= 0,
44 NF_IP6_PRI_SECURITY
= 50,
45 NF_IP6_PRI_NAT_SRC
= 100,
46 NF_IP6_PRI_SELINUX_LAST
= 225,
47 NF_IP6_PRI_CONNTRACK_HELPER
= 300,
48 NF_IP6_PRI_LAST
= INT_MAX
,
52 #endif /* _UAPI__LINUX_IP6_NETFILTER_H */