libnl 2.0
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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) 2003-2009 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 * Name of classifier module 00029 */ 00030 char co_kind[32]; 00031 00032 00033 /** 00034 * Size of private classifier data 00035 */ 00036 size_t co_size; 00037 00038 /** 00039 * Dump callbacks 00040 */ 00041 void (*co_dump[NL_DUMP_MAX+1])(struct rtnl_cls *, 00042 struct nl_dump_params *); 00043 /** 00044 * Must return the contents supposed to be in TCA_OPTIONS 00045 */ 00046 int (*co_get_opts)(struct rtnl_cls *, struct nl_msg *); 00047 00048 /** 00049 * TCA_OPTIONS message parser 00050 */ 00051 int (*co_msg_parser)(struct rtnl_cls *); 00052 00053 /** 00054 * Called before a class object gets destroyed 00055 */ 00056 void (*co_free_data)(struct rtnl_cls *); 00057 00058 /** 00059 * Called whenever a classifier object needs to be cloned 00060 */ 00061 int (*co_clone)(struct rtnl_cls *, struct rtnl_cls *); 00062 00063 /** 00064 * INTERNAL (Do not use) 00065 */ 00066 struct rtnl_cls_ops *co_next; 00067 }; 00068 00069 extern int rtnl_cls_register(struct rtnl_cls_ops *); 00070 extern int rtnl_cls_unregister(struct rtnl_cls_ops *); 00071 extern struct rtnl_cls_ops * rtnl_cls_lookup_ops(struct rtnl_cls *); 00072 extern struct rtnl_cls_ops * __rtnl_cls_lookup_ops(const char *kind); 00073 00074 #ifdef __cplusplus 00075 } 00076 #endif 00077 00078 #endif