David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 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 | |
| 62 | enum 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 */ |