nfnetlink_log.c File Reference

#include <linux/module.h>
#include <linux/skbuff.h>
#include <linux/init.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/netdevice.h>
#include <linux/netfilter.h>
#include <linux/netlink.h>
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_log.h>
#include <linux/spinlock.h>
#include <linux/sysctl.h>
#include <linux/proc_fs.h>
#include <linux/security.h>
#include <linux/list.h>
#include <linux/jhash.h>
#include <linux/random.h>
#include <linux/slab.h>
#include <net/sock.h>
#include <net/netfilter/nf_log.h>
#include <net/netfilter/nfnetlink_log.h>
#include <linux/atomic.h>

Go to the source code of this file.

Data Structures
struct	nfulnl_instance

Macros
#define	NFULNL_NLBUFSIZ_DEFAULT   NLMSG_GOODSIZE
#define	NFULNL_TIMEOUT_DEFAULT   100 /* every second */
#define	NFULNL_QTHRESH_DEFAULT   100 /* 100 packets */
#define	NFULNL_COPY_RANGE_MAX   0xFFFF /* max packet size is limited by 16-bit struct nfattr nfa_len field */
#define	PRINTR(x, args...)
#define	INSTANCE_BUCKETS   16
#define	RCV_SKB_FAIL(err)   do { netlink_ack(skb, nlh, (err)); return; } while (0)

Functions
void	nfulnl_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_user, const char *prefix)
	EXPORT_SYMBOL_GPL (nfulnl_log_packet)
	MODULE_DESCRIPTION ("netfilter userspace logging")
	MODULE_AUTHOR ("Harald Welte <[email protected]>")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_NFNL_SUBSYS (NFNL_SUBSYS_ULOG)
	module_init (nfnetlink_log_init)
	module_exit (nfnetlink_log_fini)

Macro Definition Documentation

#define INSTANCE_BUCKETS   16

Definition at line 76 of file nfnetlink_log.c.

#define NFULNL_COPY_RANGE_MAX   0xFFFF /* max packet size is limited by 16-bit struct nfattr nfa_len field */

Definition at line 45 of file nfnetlink_log.c.

#define NFULNL_NLBUFSIZ_DEFAULT   NLMSG_GOODSIZE

Definition at line 42 of file nfnetlink_log.c.

#define NFULNL_QTHRESH_DEFAULT   100 /* 100 packets */

Definition at line 44 of file nfnetlink_log.c.

#define NFULNL_TIMEOUT_DEFAULT   100 /* every second */

Definition at line 43 of file nfnetlink_log.c.

#define PRINTR	(		x,
			args...
	)

Value:

do { if (net_ratelimit()) \
                     printk(x, ## args); } while (0);

Definition at line 47 of file nfnetlink_log.c.

#define RCV_SKB_FAIL

(

err

)

do { netlink_ack(skb, nlh, (err)); return; } while (0)

Definition at line 558 of file nfnetlink_log.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

nfulnl_log_packet

)

MODULE_ALIAS_NFNL_SUBSYS

(

NFNL_SUBSYS_ULOG

)

MODULE_AUTHOR

(

"Harald Welte <[email protected]>"

)

MODULE_DESCRIPTION

(

"netfilter userspace logging"

)

module_exit

(

nfnetlink_log_fini

)

module_init

(

nfnetlink_log_init

)

MODULE_LICENSE

(

"GPL"

)

void nfulnl_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_user,
		const char *	prefix
	)

Definition at line 573 of file nfnetlink_log.c.