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| 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 |
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