libnl 1.1

include/netlink/route/classifier-modules.h

00001 /*
00002  * netlink/route/classifier-modules.h   Classifier Module API
00003  *
00004  *      This library is free software; you can redistribute it and/or
00005  *      modify it under the terms of the GNU Lesser General Public
00006  *      License as published by the Free Software Foundation version 2.1
00007  *      of the License.
00008  *
00009  * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
00010  */
00011 
00012 #ifndef NETLINK_CLASS_MODULES_H_
00013 #define NETLINK_CLASS_MODULES_H_
00014 
00015 #include <netlink/netlink.h>
00016 
00017 #ifdef __cplusplus
00018 extern "C" {
00019 #endif
00020 
00021 /**
00022  * Classifier operations
00023  * @ingroup cls_api
00024  */
00025 struct rtnl_cls_ops
00026 {
00027         /**
00028          * Kind/Name of classifier
00029          */
00030         char co_kind[32];
00031 
00032         /**
00033          * Dump callbacks
00034          */
00035         int (*co_dump[NL_DUMP_MAX+1])(struct rtnl_cls *,
00036                                       struct nl_dump_params *, int);
00037         /**
00038          * Must return the contents supposed to be in TCA_OPTIONS
00039          */
00040         struct nl_msg *(*co_get_opts)(struct rtnl_cls *);
00041 
00042         /**
00043          * TCA_OPTIONS message parser
00044          */
00045         int (*co_msg_parser)(struct rtnl_cls *);
00046 
00047         /**
00048          * Called before a class object gets destroyed
00049          */
00050         void (*co_free_data)(struct rtnl_cls *);
00051 
00052         /**
00053          * Called whenever a classifier object needs to be cloned
00054          */
00055         int (*co_clone)(struct rtnl_cls *, struct rtnl_cls *);
00056 
00057         /**
00058          * INTERNAL (Do not use)
00059          */
00060         struct rtnl_cls_ops *co_next;
00061 };
00062 
00063 extern int                      rtnl_cls_register(struct rtnl_cls_ops *);
00064 extern int                      rtnl_cls_unregister(struct rtnl_cls_ops *);
00065 extern struct rtnl_cls_ops *    rtnl_cls_lookup_ops(struct rtnl_cls *);
00066 extern struct rtnl_cls_ops *    __rtnl_cls_lookup_ops(const char *kind);
00067 
00068 #ifdef __cplusplus
00069 }
00070 #endif
00071 
00072 #endif