Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Harald Welte | 6869c4d | 2005-08-09 19:24:19 -0700 | [diff] [blame] | 13 | /* only for userspace compatibility */ |
| 14 | #ifndef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | /* IP Cache bits. */ |
| 16 | /* Src IP address. */ |
| 17 | #define NFC_IP6_SRC 0x0001 |
| 18 | /* Dest IP address. */ |
| 19 | #define NFC_IP6_DST 0x0002 |
| 20 | /* Input device. */ |
| 21 | #define NFC_IP6_IF_IN 0x0004 |
| 22 | /* Output device. */ |
| 23 | #define NFC_IP6_IF_OUT 0x0008 |
| 24 | /* TOS. */ |
| 25 | #define NFC_IP6_TOS 0x0010 |
| 26 | /* Protocol. */ |
| 27 | #define NFC_IP6_PROTO 0x0020 |
| 28 | /* IP options. */ |
| 29 | #define NFC_IP6_OPTIONS 0x0040 |
| 30 | /* Frag & flags. */ |
| 31 | #define NFC_IP6_FRAG 0x0080 |
| 32 | |
| 33 | |
| 34 | /* Per-protocol information: only matters if proto match. */ |
| 35 | /* TCP flags. */ |
| 36 | #define NFC_IP6_TCPFLAGS 0x0100 |
| 37 | /* Source port. */ |
| 38 | #define NFC_IP6_SRC_PT 0x0200 |
| 39 | /* Dest port. */ |
| 40 | #define NFC_IP6_DST_PT 0x0400 |
| 41 | /* Something else about the proto */ |
| 42 | #define NFC_IP6_PROTO_UNKNOWN 0x2000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
| 44 | /* IP6 Hooks */ |
| 45 | /* After promisc drops, checksum checks. */ |
| 46 | #define NF_IP6_PRE_ROUTING 0 |
| 47 | /* If the packet is destined for this box. */ |
| 48 | #define NF_IP6_LOCAL_IN 1 |
| 49 | /* If the packet is destined for another interface. */ |
| 50 | #define NF_IP6_FORWARD 2 |
| 51 | /* Packets coming from a local process. */ |
| 52 | #define NF_IP6_LOCAL_OUT 3 |
| 53 | /* Packets about to hit the wire. */ |
| 54 | #define NF_IP6_POST_ROUTING 4 |
| 55 | #define NF_IP6_NUMHOOKS 5 |
Patrick McHardy | 6e23ae2 | 2007-11-19 18:53:30 -0800 | [diff] [blame] | 56 | #endif /* ! __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
| 58 | |
| 59 | enum nf_ip6_hook_priorities { |
| 60 | NF_IP6_PRI_FIRST = INT_MIN, |
Yasuyuki Kozakai | 9fb9cbb | 2005-11-09 16:38:16 -0800 | [diff] [blame] | 61 | NF_IP6_PRI_CONNTRACK_DEFRAG = -400, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | NF_IP6_PRI_SELINUX_FIRST = -225, |
| 63 | NF_IP6_PRI_CONNTRACK = -200, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | NF_IP6_PRI_MANGLE = -150, |
| 65 | NF_IP6_PRI_NAT_DST = -100, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | NF_IP6_PRI_FILTER = 0, |
| 67 | NF_IP6_PRI_NAT_SRC = 100, |
| 68 | NF_IP6_PRI_SELINUX_LAST = 225, |
| 69 | NF_IP6_PRI_LAST = INT_MAX, |
| 70 | }; |
| 71 | |
Patrick McHardy | bb94aa1 | 2006-01-09 16:43:13 -0800 | [diff] [blame] | 72 | #ifdef CONFIG_NETFILTER |
Patrick McHardy | 9123de2 | 2006-09-20 11:59:42 -0700 | [diff] [blame] | 73 | extern int ip6_route_me_harder(struct sk_buff *skb); |
Al Viro | b51655b | 2006-11-14 21:40:42 -0800 | [diff] [blame] | 74 | extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, |
Patrick McHardy | 422c346 | 2006-04-06 14:18:43 -0700 | [diff] [blame] | 75 | unsigned int dataoff, u_int8_t protocol); |
| 76 | |
Arnaldo Carvalho de Melo | 2038073 | 2005-08-16 02:18:02 -0300 | [diff] [blame] | 77 | extern int ipv6_netfilter_init(void); |
| 78 | extern void ipv6_netfilter_fini(void); |
Patrick McHardy | bb94aa1 | 2006-01-09 16:43:13 -0800 | [diff] [blame] | 79 | #else /* CONFIG_NETFILTER */ |
| 80 | static inline int ipv6_netfilter_init(void) { return 0; } |
| 81 | static inline void ipv6_netfilter_fini(void) { return; } |
| 82 | #endif /* CONFIG_NETFILTER */ |
Harald Welte | 2cc7d57 | 2005-08-09 19:42:34 -0700 | [diff] [blame] | 83 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | #endif /*__LINUX_IP6_NETFILTER_H*/ |