]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/net/netfilter/nf_log.h
450f87f95415824586a1dae0bbfdcef467e6dc7a
4 #include <linux/netfilter.h>
5 #include <linux/netfilter/nf_log.h>
7 /* Log tcp sequence, tcp options, ip options and uid owning local socket */
8 #define NF_LOG_DEFAULT_MASK 0x0f
10 /* This flag indicates that copy_len field in nf_loginfo is set */
11 #define NF_LOG_F_COPY_LEN 0x1
23 /* copy_len will be used iff you set
24 * NF_LOG_F_COPY_LEN in flags
38 typedef void nf_logfn(struct net
*net
,
41 const struct sk_buff
*skb
,
42 const struct net_device
*in
,
43 const struct net_device
*out
,
44 const struct nf_loginfo
*li
,
49 enum nf_log_type type
;
54 /* Function to register/unregister log function. */
55 int nf_log_register(u_int8_t pf
, struct nf_logger
*logger
);
56 void nf_log_unregister(struct nf_logger
*logger
);
58 int nf_log_set(struct net
*net
, u_int8_t pf
, const struct nf_logger
*logger
);
59 void nf_log_unset(struct net
*net
, const struct nf_logger
*logger
);
61 int nf_log_bind_pf(struct net
*net
, u_int8_t pf
,
62 const struct nf_logger
*logger
);
63 void nf_log_unbind_pf(struct net
*net
, u_int8_t pf
);
65 int nf_logger_find_get(int pf
, enum nf_log_type type
);
66 void nf_logger_put(int pf
, enum nf_log_type type
);
67 void nf_logger_request_module(int pf
, enum nf_log_type type
);
69 #define MODULE_ALIAS_NF_LOGGER(family, type) \
70 MODULE_ALIAS("nf-logger-" __stringify(family) "-" __stringify(type))
72 /* Calls the registered backend logging function */
74 void nf_log_packet(struct net
*net
,
77 const struct sk_buff
*skb
,
78 const struct net_device
*in
,
79 const struct net_device
*out
,
80 const struct nf_loginfo
*li
,
81 const char *fmt
, ...);
84 void nf_log_trace(struct net
*net
,
87 const struct sk_buff
*skb
,
88 const struct net_device
*in
,
89 const struct net_device
*out
,
90 const struct nf_loginfo
*li
,
91 const char *fmt
, ...);
95 struct nf_log_buf
*nf_log_buf_open(void);
96 __printf(2, 3) int nf_log_buf_add(struct nf_log_buf
*m
, const char *f
, ...);
97 void nf_log_buf_close(struct nf_log_buf
*m
);
99 /* common logging functions */
100 int nf_log_dump_udp_header(struct nf_log_buf
*m
, const struct sk_buff
*skb
,
101 u8 proto
, int fragment
, unsigned int offset
);
102 int nf_log_dump_tcp_header(struct nf_log_buf
*m
, const struct sk_buff
*skb
,
103 u8 proto
, int fragment
, unsigned int offset
,
104 unsigned int logflags
);
105 void nf_log_dump_sk_uid_gid(struct nf_log_buf
*m
, struct sock
*sk
);
106 void nf_log_dump_packet_common(struct nf_log_buf
*m
, u_int8_t pf
,
107 unsigned int hooknum
, const struct sk_buff
*skb
,
108 const struct net_device
*in
,
109 const struct net_device
*out
,
110 const struct nf_loginfo
*loginfo
,
112 void nf_log_l2packet(struct net
*net
, u_int8_t pf
,
114 unsigned int hooknum
,
115 const struct sk_buff
*skb
,
116 const struct net_device
*in
,
117 const struct net_device
*out
,
118 const struct nf_loginfo
*loginfo
, const char *prefix
);
120 #endif /* _NF_LOG_H */