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*/
50
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