1#ifndef _UAPI__LINUX_NETFILTER_H
2#define _UAPI__LINUX_NETFILTER_H
3
4#include <linux/types.h>
5#include <linux/compiler.h>
6#include <linux/sysctl.h>
7#include <linux/in.h>
8#include <linux/in6.h>
9
10
11#define NF_DROP 0
12#define NF_ACCEPT 1
13#define NF_STOLEN 2
14#define NF_QUEUE 3
15#define NF_REPEAT 4
16#define NF_STOP 5
17#define NF_MAX_VERDICT NF_STOP
18
19
20
21
22#define NF_VERDICT_MASK 0x000000ff
23
24
25#define NF_VERDICT_FLAG_QUEUE_BYPASS 0x00008000
26
27
28#define NF_VERDICT_QMASK 0xffff0000
29#define NF_VERDICT_QBITS 16
30
31#define NF_QUEUE_NR(x) ((((x) << 16) & NF_VERDICT_QMASK) | NF_QUEUE)
32
33#define NF_DROP_ERR(x) (((-x) << 16) | NF_DROP)
34
35
36#ifndef __KERNEL__
37
38
39#define NFC_UNKNOWN 0x4000
40#define NFC_ALTERED 0x8000
41
42
43#define NF_VERDICT_BITS 16
44#endif
45
46enum nf_inet_hooks {
47 NF_INET_PRE_ROUTING,
48 NF_INET_LOCAL_IN,
49 NF_INET_FORWARD,
50 NF_INET_LOCAL_OUT,
51 NF_INET_POST_ROUTING,
52 NF_INET_NUMHOOKS
53};
54
55enum nf_dev_hooks {
56 NF_NETDEV_INGRESS,
57 NF_NETDEV_NUMHOOKS
58};
59
60enum {
61 NFPROTO_UNSPEC = 0,
62 NFPROTO_INET = 1,
63 NFPROTO_IPV4 = 2,
64 NFPROTO_ARP = 3,
65 NFPROTO_NETDEV = 5,
66 NFPROTO_BRIDGE = 7,
67 NFPROTO_IPV6 = 10,
68 NFPROTO_DECNET = 12,
69 NFPROTO_NUMPROTO,
70};
71
72union nf_inet_addr {
73 __u32 all[4];
74 __be32 ip;
75 __be32 ip6[4];
76 struct in_addr in;
77 struct in6_addr in6;
78};
79
80#endif
81