/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/* IPv6-specific defines for netfilter.
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* (C)1998 Rusty Russell -- This code is GPL.
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* (C)1999 David Jeffery
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* this header was blatantly ripped from netfilter_ipv4.h
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* it's amazing what adding a bunch of 6s can do =8^)
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*/
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#ifndef _UAPI__LINUX_IP6_NETFILTER_H
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#define _UAPI__LINUX_IP6_NETFILTER_H
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#include <linux/netfilter.h>
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/* only for userspace compatibility */
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#ifndef __KERNEL__
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#include <limits.h> /* for INT_MIN, INT_MAX */
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/* IP Cache bits. */
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/* Src IP address. */
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#define NFC_IP6_SRC 0x0001
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/* Dest IP address. */
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#define NFC_IP6_DST 0x0002
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/* Input device. */
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#define NFC_IP6_IF_IN 0x0004
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/* Output device. */
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#define NFC_IP6_IF_OUT 0x0008
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/* TOS. */
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#define NFC_IP6_TOS 0x0010
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/* Protocol. */
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#define NFC_IP6_PROTO 0x0020
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/* IP options. */
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#define NFC_IP6_OPTIONS 0x0040
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/* Frag & flags. */
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#define NFC_IP6_FRAG 0x0080
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/* Per-protocol information: only matters if proto match. */
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/* TCP flags. */
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#define NFC_IP6_TCPFLAGS 0x0100
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/* Source port. */
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#define NFC_IP6_SRC_PT 0x0200
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/* Dest port. */
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#define NFC_IP6_DST_PT 0x0400
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/* Something else about the proto */
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#define NFC_IP6_PROTO_UNKNOWN 0x2000
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/* IP6 Hooks */
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/* After promisc drops, checksum checks. */
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#define NF_IP6_PRE_ROUTING 0
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/* If the packet is destined for this box. */
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#define NF_IP6_LOCAL_IN 1
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/* If the packet is destined for another interface. */
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#define NF_IP6_FORWARD 2
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/* Packets coming from a local process. */
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#define NF_IP6_LOCAL_OUT 3
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/* Packets about to hit the wire. */
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#define NF_IP6_POST_ROUTING 4
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#define NF_IP6_NUMHOOKS 5
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#endif /* ! __KERNEL__ */
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enum nf_ip6_hook_priorities {
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NF_IP6_PRI_FIRST = INT_MIN,
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NF_IP6_PRI_RAW_BEFORE_DEFRAG = -450,
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NF_IP6_PRI_CONNTRACK_DEFRAG = -400,
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NF_IP6_PRI_RAW = -300,
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NF_IP6_PRI_SELINUX_FIRST = -225,
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NF_IP6_PRI_CONNTRACK = -200,
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NF_IP6_PRI_MANGLE = -150,
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NF_IP6_PRI_NAT_DST = -100,
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NF_IP6_PRI_FILTER = 0,
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NF_IP6_PRI_SECURITY = 50,
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NF_IP6_PRI_NAT_SRC = 100,
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NF_IP6_PRI_SELINUX_LAST = 225,
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NF_IP6_PRI_CONNTRACK_HELPER = 300,
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NF_IP6_PRI_LAST = INT_MAX,
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};
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#endif /* _UAPI__LINUX_IP6_NETFILTER_H */
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