1
2#ifndef __LINUX_NETFILTER_H
3#define __LINUX_NETFILTER_H
4
5#include <linux/types.h>
6
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
37
38#define NF_VERDICT_BITS 16
39
40enum nf_inet_hooks {
41 NF_INET_PRE_ROUTING,
42 NF_INET_LOCAL_IN,
43 NF_INET_FORWARD,
44 NF_INET_LOCAL_OUT,
45 NF_INET_POST_ROUTING,
46 NF_INET_NUMHOOKS,
47 NF_INET_INGRESS = NF_INET_NUMHOOKS,
48};
49
50enum nf_dev_hooks {
51 NF_NETDEV_INGRESS,
52 NF_NETDEV_NUMHOOKS
53};
54
55enum {
56 NFPROTO_UNSPEC = 0,
57 NFPROTO_INET = 1,
58 NFPROTO_IPV4 = 2,
59 NFPROTO_ARP = 3,
60 NFPROTO_NETDEV = 5,
61 NFPROTO_BRIDGE = 7,
62 NFPROTO_IPV6 = 10,
63 NFPROTO_DECNET = 12,
64 NFPROTO_NUMPROTO,
65};
66
67union nf_inet_addr {
68 __u32 all[4];
69 __be32 ip;
70 __be32 ip6[4];
71 struct in_addr in;
72 struct in6_addr in6;
73};
74
75#endif
76