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^) |
7 | */ |
8 | #ifndef _UAPI__LINUX_IP6_NETFILTER_H |
9 | #define _UAPI__LINUX_IP6_NETFILTER_H |
10 | |
11 | |
12 | #include <linux/netfilter.h> |
13 | |
14 | /* only for userspace compatibility */ |
15 | #ifndef __KERNEL__ |
16 | |
17 | #include <limits.h> /* for INT_MIN, INT_MAX */ |
18 | |
19 | /* IP6 Hooks */ |
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__ */ |
32 | |
33 | |
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, |
49 | }; |
50 | |
51 | |
52 | #endif /* _UAPI__LINUX_IP6_NETFILTER_H */ |
53 | |