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1da177e4 LT |
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 | ||
6869c4d8 HW |
13 | /* only for userspace compatibility */ |
14 | #ifndef __KERNEL__ | |
1da177e4 LT |
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 | |
6869c4d8 | 43 | #endif /* ! __KERNEL__ */ |
1da177e4 LT |
44 | |
45 | ||
46 | /* IP6 Hooks */ | |
47 | /* After promisc drops, checksum checks. */ | |
48 | #define NF_IP6_PRE_ROUTING 0 | |
49 | /* If the packet is destined for this box. */ | |
50 | #define NF_IP6_LOCAL_IN 1 | |
51 | /* If the packet is destined for another interface. */ | |
52 | #define NF_IP6_FORWARD 2 | |
53 | /* Packets coming from a local process. */ | |
54 | #define NF_IP6_LOCAL_OUT 3 | |
55 | /* Packets about to hit the wire. */ | |
56 | #define NF_IP6_POST_ROUTING 4 | |
57 | #define NF_IP6_NUMHOOKS 5 | |
58 | ||
59 | ||
60 | enum nf_ip6_hook_priorities { | |
61 | NF_IP6_PRI_FIRST = INT_MIN, | |
9fb9cbb1 | 62 | NF_IP6_PRI_CONNTRACK_DEFRAG = -400, |
1da177e4 LT |
63 | NF_IP6_PRI_SELINUX_FIRST = -225, |
64 | NF_IP6_PRI_CONNTRACK = -200, | |
1da177e4 LT |
65 | NF_IP6_PRI_MANGLE = -150, |
66 | NF_IP6_PRI_NAT_DST = -100, | |
1da177e4 LT |
67 | NF_IP6_PRI_FILTER = 0, |
68 | NF_IP6_PRI_NAT_SRC = 100, | |
69 | NF_IP6_PRI_SELINUX_LAST = 225, | |
70 | NF_IP6_PRI_LAST = INT_MAX, | |
71 | }; | |
72 | ||
bb94aa16 | 73 | #ifdef CONFIG_NETFILTER |
9123de2c | 74 | extern int ip6_route_me_harder(struct sk_buff *skb); |
b51655b9 | 75 | extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, |
422c346f PM |
76 | unsigned int dataoff, u_int8_t protocol); |
77 | ||
20380731 ACM |
78 | extern int ipv6_netfilter_init(void); |
79 | extern void ipv6_netfilter_fini(void); | |
bb94aa16 PM |
80 | #else /* CONFIG_NETFILTER */ |
81 | static inline int ipv6_netfilter_init(void) { return 0; } | |
82 | static inline void ipv6_netfilter_fini(void) { return; } | |
83 | #endif /* CONFIG_NETFILTER */ | |
2cc7d573 | 84 | |
1da177e4 | 85 | #endif /*__LINUX_IP6_NETFILTER_H*/ |