1#ifndef __LINUX_IP6_NETFILTER_H 2#define __LINUX_IP6_NETFILTER_H 3 4/* IPv6-specific defines for netfilter. 5 * (C)1998 Rusty Russell -- This code is GPL. 6 * (C)1999 David Jeffery 7 * this header was blatantly ripped from netfilter_ipv4.h 8 * it's amazing what adding a bunch of 6s can do =8^) 9 */ 10 11#include <linux/netfilter.h> 12 13/* IP Cache bits. */ 14/* Src IP address. */ 15#define NFC_IP6_SRC 0x0001 16/* Dest IP address. */ 17#define NFC_IP6_DST 0x0002 18/* Input device. */ 19#define NFC_IP6_IF_IN 0x0004 20/* Output device. */ 21#define NFC_IP6_IF_OUT 0x0008 22/* TOS. */ 23#define NFC_IP6_TOS 0x0010 24/* Protocol. */ 25#define NFC_IP6_PROTO 0x0020 26/* IP options. */ 27#define NFC_IP6_OPTIONS 0x0040 28/* Frag & flags. */ 29#define NFC_IP6_FRAG 0x0080 30 31 32/* Per-protocol information: only matters if proto match. */ 33/* TCP flags. */ 34#define NFC_IP6_TCPFLAGS 0x0100 35/* Source port. */ 36#define NFC_IP6_SRC_PT 0x0200 37/* Dest port. */ 38#define NFC_IP6_DST_PT 0x0400 39/* Something else about the proto */ 40#define NFC_IP6_PROTO_UNKNOWN 0x2000 41 42 43/* IP6 Hooks */ 44/* After promisc drops, checksum checks. */ 45#define NF_IP6_PRE_ROUTING 0 46/* If the packet is destined for this box. */ 47#define NF_IP6_LOCAL_IN 1 48/* If the packet is destined for another interface. */ 49#define NF_IP6_FORWARD 2 50/* Packets coming from a local process. */ 51#define NF_IP6_LOCAL_OUT 3 52/* Packets about to hit the wire. */ 53#define NF_IP6_POST_ROUTING 4 54#define NF_IP6_NUMHOOKS 5 55 56 57enum nf_ip6_hook_priorities { 58 NF_IP6_PRI_FIRST = INT_MIN, 59 NF_IP6_PRI_CONNTRACK = -200, 60 NF_IP6_PRI_MANGLE = -150, 61 NF_IP6_PRI_NAT_DST = -100, 62 NF_IP6_PRI_FILTER = 0, 63 NF_IP6_PRI_NAT_SRC = 100, 64 NF_IP6_PRI_LAST = INT_MAX, 65}; 66 67#endif /*__LINUX_IP6_NETFILTER_H*/ 68