+/***************************************************************************
+ * Copyright (C) 2004 by Intra2net AG *
+ * opensource@intra2net.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License *
+ * version 2 as published by the Free Software Foundation; *
+ * *
+ ***************************************************************************/
+
#ifndef _IPT_ACCOUNT_H
#define _IPT_ACCOUNT_H
/* Structure for the userspace part of ipt_ACCOUNT */
struct ipt_account_info {
- u_int32_t net_ip;
- u_int32_t net_mask;
- char table_name[ACCOUNT_TABLE_NAME_LEN];
- int32_t table_nr;
+ u_int32_t net_ip;
+ u_int32_t net_mask;
+ char table_name[ACCOUNT_TABLE_NAME_LEN];
+ int32_t table_nr;
};
/* Internal table structure, generated by check_entry() */
-struct ipt_account_table
-{
+struct ipt_account_table {
char name[ACCOUNT_TABLE_NAME_LEN]; /* name of the table */
unsigned int ip; /* base IP of network */
unsigned int netmask; /* netmask of the network */
- unsigned char netsize; /* Number of bits used in this netmask */
+ unsigned char depth; /* size of network: 0: 8 bit, 1: 16bit, 2: 24 bit */
unsigned int refcount; /* refcount of this table. if zero, destroy it */
unsigned int itemcount; /* number of IPs in this table */
void *data; /* pointer to the actual data, depending on netmask */
};
-/* Handle structure for communication with the userspace library */
-struct ipt_account_handle
-{
- unsigned int ip; /* base IP of network */
- unsigned char netmask; /* netmask of the network */
+/* Internal handle structure */
+struct ipt_account_handle {
+ unsigned int ip; /* base IP of network. Used for caculating the final IP during get_data() */
+ unsigned char depth; /* size of network. See above for details */
unsigned int itemcount; /* number of IPs in this table */
- void *data; /* pointer to the actual data, depending on netmask */
+ void *data; /* pointer to the actual data, depending on size */
+};
+
+/* Handle structure for communication with the userspace library */
+struct ipt_account_handle_sockopt {
+ unsigned int handle_nr; /* Used for HANDLE_FREE */
+ char name[ACCOUNT_TABLE_NAME_LEN]; /* Used for HANDLE_PREPARE_READ/READ_FLUSH */
+ unsigned int itemcount; /* Used for HANDLE_PREPARE_READ/READ_FLUSH */
};
/* Used for every IP entry */
/* Size is 16 bytes so that 256 (class C network) * 16 fits in one kernel (zero) page */
-struct ipt_account_ip
-{
+struct ipt_account_ip {
unsigned int src_packets;
unsigned int src_bytes;
unsigned int dst_packets;
/*
Used for every IP when returning data
*/
-struct ipt_account_handle_ip
-{
+struct ipt_account_handle_ip {
unsigned int ip;
unsigned int src_packets;
unsigned int src_bytes;
Only 8 bit networks are preallocated, 16/24 bit networks
allocate their slots when needed -> very efficent.
*/
-struct ipt_account_mask_24
-{
- struct ipt_account_ip ip[256];
+struct ipt_account_mask_24 {
+ struct ipt_account_ip ip[256];
};
-struct ipt_account_mask_16
-{
+struct ipt_account_mask_16 {
struct ipt_account_mask_24 *mask_24[256];
};
-struct ipt_account_mask_8
-{
+struct ipt_account_mask_8 {
struct ipt_account_mask_16 *mask_16[256];
};