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 57 enum 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