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50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
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/* Header file for IP tables userspace logging, Version 1.8
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*
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* (C) 2000-2002 by Harald Welte <laforge@gnumonks.org>
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*
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* Distributed under the terms of GNU GPL */
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#ifndef _IPT_ULOG_H
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#define _IPT_ULOG_H
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#ifndef NETLINK_NFLOG
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#define NETLINK_NFLOG 5
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#endif
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#define ULOG_DEFAULT_NLGROUP 1
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#define ULOG_DEFAULT_QTHRESHOLD 1
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#define ULOG_MAC_LEN 80
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#define ULOG_PREFIX_LEN 32
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#define ULOG_MAX_QLEN 50
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/* Why 50? Well... there is a limit imposed by the slab cache 131000
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* bytes. So the multipart netlink-message has to be < 131000 bytes.
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* Assuming a standard ethernet-mtu of 1500, we could define this up
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* to 80... but even 50 seems to be big enough. */
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/* private data structure for each rule with a ULOG target */
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struct ipt_ulog_info {
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unsigned int nl_group;
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size_t copy_range;
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size_t qthreshold;
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char prefix[ULOG_PREFIX_LEN];
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};
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/* Format of the ULOG packets passed through netlink */
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typedef struct ulog_packet_msg {
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unsigned long mark;
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long timestamp_sec;
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long timestamp_usec;
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unsigned int hook;
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char indev_name[IFNAMSIZ];
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char outdev_name[IFNAMSIZ];
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size_t data_len;
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char prefix[ULOG_PREFIX_LEN];
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unsigned char mac_len;
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unsigned char mac[ULOG_MAC_LEN];
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unsigned char payload[0];
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} ulog_packet_msg_t;
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#endif /*_IPT_ULOG_H*/
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