[deliverable/linux.git] / include / net / netfilter / nf_log.h

#ifndef _NF_LOG_H
#define _NF_LOG_H

#include <linux/netfilter.h>

/* those NF_LOG_* defines and struct nf_loginfo are legacy definitios that will
 * disappear once iptables is replaced with pkttables.  Please DO NOT use them
 * for any new code! */
#define NF_LOG_TCPSEQ		0x01	/* Log TCP sequence numbers */
#define NF_LOG_TCPOPT		0x02	/* Log TCP options */
#define NF_LOG_IPOPT		0x04	/* Log IP options */
#define NF_LOG_UID		0x08	/* Log UID owning local socket */
#define NF_LOG_MASK		0x0f

#define NF_LOG_TYPE_LOG		0x01
#define NF_LOG_TYPE_ULOG	0x02

struct nf_loginfo {
	u_int8_t type;
	union {
		struct {
			u_int32_t copy_len;
			u_int16_t group;
			u_int16_t qthreshold;
		} ulog;
		struct {
			u_int8_t level;
			u_int8_t logflags;
		} log;
	} u;
};

typedef void nf_logfn(u_int8_t pf,
		      unsigned int hooknum,
		      const struct sk_buff *skb,
		      const struct net_device *in,
		      const struct net_device *out,
		      const struct nf_loginfo *li,
		      const char *prefix);

struct nf_logger {
	struct module	*me;
	nf_logfn 	*logfn;
	char		*name;
	struct list_head	list[NFPROTO_NUMPROTO];
};

/* Function to register/unregister log function. */
int nf_log_register(u_int8_t pf, struct nf_logger *logger);
void nf_log_unregister(struct nf_logger *logger);

int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger);
void nf_log_unbind_pf(u_int8_t pf);

/* Calls the registered backend logging function */
void nf_log_packet(u_int8_t pf,
		   unsigned int hooknum,
		   const struct sk_buff *skb,
		   const struct net_device *in,
		   const struct net_device *out,
		   const struct nf_loginfo *li,
		   const char *fmt, ...) __attribute__ ((format(printf,7,8)));

#endif /* _NF_LOG_H */
Commit	Line	Data
f01ffbd6 PM	1	#ifndef _NF_LOG_H
	2	#define _NF_LOG_H
	3
ca735b3a EL	4	#include <linux/netfilter.h>
ca735b3a EL	5
f01ffbd6 PM	6	/* those NF_LOG_* defines and struct nf_loginfo are legacy definitios that will
	7	* disappear once iptables is replaced with pkttables. Please DO NOT use them
	8	* for any new code! */
	9	#define NF_LOG_TCPSEQ 0x01 /* Log TCP sequence numbers */
	10	#define NF_LOG_TCPOPT 0x02 /* Log TCP options */
	11	#define NF_LOG_IPOPT 0x04 /* Log IP options */
	12	#define NF_LOG_UID 0x08 /* Log UID owning local socket */
	13	#define NF_LOG_MASK 0x0f
	14
	15	#define NF_LOG_TYPE_LOG 0x01
	16	#define NF_LOG_TYPE_ULOG 0x02
	17
	18	struct 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
76108cea	33	typedef void nf_logfn(u_int8_t pf,
f01ffbd6 PM	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
	41	struct nf_logger {
	42	struct module *me;
	43	nf_logfn *logfn;
	44	char *name;
ca735b3a	45	struct list_head list[NFPROTO_NUMPROTO];
f01ffbd6 PM	46	};
	47
	48	/* Function to register/unregister log function. */
ca735b3a EL	49	int nf_log_register(u_int8_t pf, struct nf_logger *logger);
	50	void nf_log_unregister(struct nf_logger *logger);
	51
	52	int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger);
	53	void nf_log_unbind_pf(u_int8_t pf);
f01ffbd6 PM	54
f01ffbd6 PM	55	/* Calls the registered backend logging function */
76108cea	56	void nf_log_packet(u_int8_t pf,
f01ffbd6 PM	57	unsigned int hooknum,
	58	const struct sk_buff *skb,
	59	const struct net_device *in,
	60	const struct net_device *out,
7b2f9631	61	const struct nf_loginfo *li,
000e8a53	62	const char *fmt, ...) __attribute__ ((format(printf,7,8)));
f01ffbd6 PM	63
f01ffbd6 PM	64	#endif /* _NF_LOG_H */