1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#ifndef __LINUX_IP6_NETFILTER_H
#define __LINUX_IP6_NETFILTER_H
/* IPv6-specific defines for netfilter.
* (C)1998 Rusty Russell -- This code is GPL.
* (C)1999 David Jeffery
* this header was blatantly ripped from netfilter_ipv4.h
* it's amazing what adding a bunch of 6s can do =8^)
*/
#include <linux/netfilter.h>
/* only for userspace compatibility */
#ifndef __KERNEL__
/* IP Cache bits. */
/* Src IP address. */
#define NFC_IP6_SRC 0x0001
/* Dest IP address. */
#define NFC_IP6_DST 0x0002
/* Input device. */
#define NFC_IP6_IF_IN 0x0004
/* Output device. */
#define NFC_IP6_IF_OUT 0x0008
/* TOS. */
#define NFC_IP6_TOS 0x0010
/* Protocol. */
#define NFC_IP6_PROTO 0x0020
/* IP options. */
#define NFC_IP6_OPTIONS 0x0040
/* Frag & flags. */
#define NFC_IP6_FRAG 0x0080
/* Per-protocol information: only matters if proto match. */
/* TCP flags. */
#define NFC_IP6_TCPFLAGS 0x0100
/* Source port. */
#define NFC_IP6_SRC_PT 0x0200
/* Dest port. */
#define NFC_IP6_DST_PT 0x0400
/* Something else about the proto */
#define NFC_IP6_PROTO_UNKNOWN 0x2000
/* IP6 Hooks */
/* After promisc drops, checksum checks. */
#define NF_IP6_PRE_ROUTING 0
/* If the packet is destined for this box. */
#define NF_IP6_LOCAL_IN 1
/* If the packet is destined for another interface. */
#define NF_IP6_FORWARD 2
/* Packets coming from a local process. */
#define NF_IP6_LOCAL_OUT 3
/* Packets about to hit the wire. */
#define NF_IP6_POST_ROUTING 4
#define NF_IP6_NUMHOOKS 5
#endif /* ! __KERNEL__ */
enum nf_ip6_hook_priorities {
NF_IP6_PRI_FIRST = INT_MIN,
NF_IP6_PRI_CONNTRACK_DEFRAG = -400,
NF_IP6_PRI_RAW = -300,
NF_IP6_PRI_SELINUX_FIRST = -225,
NF_IP6_PRI_CONNTRACK = -200,
NF_IP6_PRI_MANGLE = -150,
NF_IP6_PRI_NAT_DST = -100,
NF_IP6_PRI_FILTER = 0,
NF_IP6_PRI_SECURITY = 50,
NF_IP6_PRI_NAT_SRC = 100,
NF_IP6_PRI_SELINUX_LAST = 225,
NF_IP6_PRI_LAST = INT_MAX,
};
#ifdef __KERNEL__
#ifdef CONFIG_NETFILTER
extern int ip6_route_me_harder(struct sk_buff *skb);
extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol);
extern int ipv6_netfilter_init(void);
extern void ipv6_netfilter_fini(void);
#else /* CONFIG_NETFILTER */
static inline int ipv6_netfilter_init(void) { return 0; }
static inline void ipv6_netfilter_fini(void) { return; }
#endif /* CONFIG_NETFILTER */
#endif /* __KERNEL__ */
#endif /*__LINUX_IP6_NETFILTER_H*/
|
