1/* IPv6-specific defines for netfilter. 2 * (C)1998 Rusty Russell -- This code is GPL. 3 * (C)1999 David Jeffery 4 * this header was blatantly ripped from netfilter_ipv4.h 5 * it's amazing what adding a bunch of 6s can do =8^) 6 */ 7#ifndef _UAPI__LINUX_IP6_NETFILTER_H 8#define _UAPI__LINUX_IP6_NETFILTER_H 9 10 11#include <linux/netfilter.h> 12 13/* only for userspace compatibility */ 14#ifndef __KERNEL__ 15 16#include <limits.h> /* for INT_MIN, INT_MAX */ 17 18/* IP Cache bits. */ 19/* Src IP address. */ 20#define NFC_IP6_SRC 0x0001 21/* Dest IP address. */ 22#define NFC_IP6_DST 0x0002 23/* Input device. */ 24#define NFC_IP6_IF_IN 0x0004 25/* Output device. */ 26#define NFC_IP6_IF_OUT 0x0008 27/* TOS. */ 28#define NFC_IP6_TOS 0x0010 29/* Protocol. */ 30#define NFC_IP6_PROTO 0x0020 31/* IP options. */ 32#define NFC_IP6_OPTIONS 0x0040 33/* Frag & flags. */ 34#define NFC_IP6_FRAG 0x0080 35 36 37/* Per-protocol information: only matters if proto match. */ 38/* TCP flags. */ 39#define NFC_IP6_TCPFLAGS 0x0100 40/* Source port. */ 41#define NFC_IP6_SRC_PT 0x0200 42/* Dest port. */ 43#define NFC_IP6_DST_PT 0x0400 44/* Something else about the proto */ 45#define NFC_IP6_PROTO_UNKNOWN 0x2000 46 47/* IP6 Hooks */ 48/* After promisc drops, checksum checks. */ 49#define NF_IP6_PRE_ROUTING 0 50/* If the packet is destined for this box. */ 51#define NF_IP6_LOCAL_IN 1 52/* If the packet is destined for another interface. */ 53#define NF_IP6_FORWARD 2 54/* Packets coming from a local process. */ 55#define NF_IP6_LOCAL_OUT 3 56/* Packets about to hit the wire. */ 57#define NF_IP6_POST_ROUTING 4 58#define NF_IP6_NUMHOOKS 5 59#endif /* ! __KERNEL__ */ 60 61 62enum nf_ip6_hook_priorities { 63 NF_IP6_PRI_FIRST = INT_MIN, 64 NF_IP6_PRI_CONNTRACK_DEFRAG = -400, 65 NF_IP6_PRI_RAW = -300, 66 NF_IP6_PRI_SELINUX_FIRST = -225, 67 NF_IP6_PRI_CONNTRACK = -200, 68 NF_IP6_PRI_MANGLE = -150, 69 NF_IP6_PRI_NAT_DST = -100, 70 NF_IP6_PRI_FILTER = 0, 71 NF_IP6_PRI_SECURITY = 50, 72 NF_IP6_PRI_NAT_SRC = 100, 73 NF_IP6_PRI_SELINUX_LAST = 225, 74 NF_IP6_PRI_CONNTRACK_HELPER = 300, 75 NF_IP6_PRI_LAST = INT_MAX, 76}; 77 78 79#endif /* _UAPI__LINUX_IP6_NETFILTER_H */ 80