/* 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*/