[deliverable/linux.git] / include / linux / netfilter_ipv4 / ipt_ULOG.h

/* Header file for IP tables userspace logging, Version 1.8
 *
 * (C) 2000-2002 by Harald Welte <laforge@gnumonks.org>
 * 
 * Distributed under the terms of GNU GPL */

#ifndef _IPT_ULOG_H
#define _IPT_ULOG_H

#ifndef NETLINK_NFLOG
#define NETLINK_NFLOG 	5
#endif

#define ULOG_DEFAULT_NLGROUP	1
#define ULOG_DEFAULT_QTHRESHOLD	1

#define ULOG_MAC_LEN	80
#define ULOG_PREFIX_LEN	32

#define ULOG_MAX_QLEN	50
/* Why 50? Well... there is a limit imposed by the slab cache 131000
 * bytes. So the multipart netlink-message has to be < 131000 bytes.
 * Assuming a standard ethernet-mtu of 1500, we could define this up
 * to 80... but even 50 seems to be big enough. */

/* private data structure for each rule with a ULOG target */
struct ipt_ulog_info {
	unsigned int nl_group;
	size_t copy_range;
	size_t qthreshold;
	char prefix[ULOG_PREFIX_LEN];
};

/* Format of the ULOG packets passed through netlink */
typedef struct ulog_packet_msg {
	unsigned long mark;
	long timestamp_sec;
	long timestamp_usec;
	unsigned int hook;
	char indev_name[IFNAMSIZ];
	char outdev_name[IFNAMSIZ];
	size_t data_len;
	char prefix[ULOG_PREFIX_LEN];
	unsigned char mac_len;
	unsigned char mac[ULOG_MAC_LEN];
	unsigned char payload[0];
} ulog_packet_msg_t;

#endif /*_IPT_ULOG_H*/
Commit	Line	Data
1da177e4 LT	1	/* Header file for IP tables userspace logging, Version 1.8
	2	*
	3	* (C) 2000-2002 by Harald Welte <laforge@gnumonks.org>
	4	*
	5	* Distributed under the terms of GNU GPL */
	6
	7	#ifndef _IPT_ULOG_H
	8	#define _IPT_ULOG_H
	9
	10	#ifndef NETLINK_NFLOG
	11	#define NETLINK_NFLOG 5
	12	#endif
	13
	14	#define ULOG_DEFAULT_NLGROUP 1
	15	#define ULOG_DEFAULT_QTHRESHOLD 1
	16
	17	#define ULOG_MAC_LEN 80
	18	#define ULOG_PREFIX_LEN 32
	19
	20	#define ULOG_MAX_QLEN 50
	21	/* Why 50? Well... there is a limit imposed by the slab cache 131000
	22	* bytes. So the multipart netlink-message has to be < 131000 bytes.
	23	* Assuming a standard ethernet-mtu of 1500, we could define this up
	24	* to 80... but even 50 seems to be big enough. */
	25
	26	/* private data structure for each rule with a ULOG target */
	27	struct ipt_ulog_info {
	28	unsigned int nl_group;
	29	size_t copy_range;
	30	size_t qthreshold;
	31	char prefix[ULOG_PREFIX_LEN];
	32	};
	33
	34	/* Format of the ULOG packets passed through netlink */
	35	typedef struct ulog_packet_msg {
	36	unsigned long mark;
	37	long timestamp_sec;
	38	long timestamp_usec;
	39	unsigned int hook;
	40	char indev_name[IFNAMSIZ];
	41	char outdev_name[IFNAMSIZ];
	42	size_t data_len;
	43	char prefix[ULOG_PREFIX_LEN];
	44	unsigned char mac_len;
	45	unsigned char mac[ULOG_MAC_LEN];
	46	unsigned char payload[0];
	47	} ulog_packet_msg_t;
	48
	49	#endif /_IPT_ULOG_H/