diff options
Diffstat (limited to 'include/uapi/linux/netfilter_ipv4/ipt_ULOG.h')
-rw-r--r-- | include/uapi/linux/netfilter_ipv4/ipt_ULOG.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter_ipv4/ipt_ULOG.h b/include/uapi/linux/netfilter_ipv4/ipt_ULOG.h new file mode 100644 index 0000000..417aad2 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv4/ipt_ULOG.h @@ -0,0 +1,49 @@ +/* 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*/ |