1#ifndef _NF_LOG_H
2#define _NF_LOG_H
3
4#include <linux/netfilter.h>
5
6
7
8
9#define NF_LOG_TCPSEQ 0x01
10#define NF_LOG_TCPOPT 0x02
11#define NF_LOG_IPOPT 0x04
12#define NF_LOG_UID 0x08
13#define NF_LOG_MASK 0x0f
14
15#define NF_LOG_TYPE_LOG 0x01
16#define NF_LOG_TYPE_ULOG 0x02
17
18struct nf_loginfo {
19 u_int8_t type;
20 union {
21 struct {
22 u_int32_t copy_len;
23 u_int16_t group;
24 u_int16_t qthreshold;
25 } ulog;
26 struct {
27 u_int8_t level;
28 u_int8_t logflags;
29 } log;
30 } u;
31};
32
33typedef void nf_logfn(u_int8_t pf,
34 unsigned int hooknum,
35 const struct sk_buff *skb,
36 const struct net_device *in,
37 const struct net_device *out,
38 const struct nf_loginfo *li,
39 const char *prefix);
40
41struct nf_logger {
42 struct module *me;
43 nf_logfn *logfn;
44 char *name;
45 struct list_head list[NFPROTO_NUMPROTO];
46};
47
48
49int nf_log_register(u_int8_t pf, struct nf_logger *logger);
50void nf_log_unregister(struct nf_logger *logger);
51
52int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger);
53void nf_log_unbind_pf(u_int8_t pf);
54
55
56__printf(7, 8)
57void nf_log_packet(u_int8_t pf,
58 unsigned int hooknum,
59 const struct sk_buff *skb,
60 const struct net_device *in,
61 const struct net_device *out,
62 const struct nf_loginfo *li,
63 const char *fmt, ...);
64
65#endif
66