tools/brcm/K24/hndtools-mipsel-uclibc-4.2.4/include/linux/netfilter_ipv4/ipt_ULOG.h

   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 #ifdef KERNEL_64_USERSPACE_32
  30         unsigned long long copy_range;
  31         unsigned long long qthreshold;
  32 #else
  33         size_t copy_range;
  34         size_t qthreshold;
  35 #endif
  36         char prefix[ULOG_PREFIX_LEN];
  37 };
  38
  39 /* Format of the ULOG packets passed through netlink */
  40 typedef struct ulog_packet_msg {
  41         unsigned long mark;
  42         long timestamp_sec;
  43         long timestamp_usec;
  44         unsigned int hook;
  45         char indev_name[IFNAMSIZ];
  46         char outdev_name[IFNAMSIZ];
  47         size_t data_len;
  48         char prefix[ULOG_PREFIX_LEN];
  49         unsigned char mac_len;
  50         unsigned char mac[ULOG_MAC_LEN];
  51         unsigned char payload[0];
  52 } ulog_packet_msg_t;
  53
  54 #endif /*_IPT_ULOG_H*/