polished documentation for first public release

[ipt_ACCOUNT] / linux / include / linux / netfilter_ipv4 / ipt_ACCOUNT.h

diff --git a/linux/include/linux/netfilter_ipv4/ipt_ACCOUNT.h b/linux/include/linux/netfilter_ipv4/ipt_ACCOUNT.h
index dc0ef91..402b889 100644 (file)
--- a/linux/include/linux/netfilter_ipv4/ipt_ACCOUNT.h
+++ b/linux/include/linux/netfilter_ipv4/ipt_ACCOUNT.h
@@ -1,3 +1,13 @@
+/***************************************************************************
+ *   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
 
@@ -19,19 +29,27 @@ 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 */
+/* Internal handle structure */
 struct ipt_account_handle
 {
-    unsigned int ip;                          /* base IP of network */
-    unsigned char netmask;                    /* netmask of the network */
+    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 */