ipt_ULOG.h
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上传日期:2013-02-24
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- /* 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_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*/