1 /* 2 * netlink/route/class-modules.h Class Module API 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation version 2.1 7 * of the License. 8 * 9 * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch> 10 */ 11 12 #ifndef NETLINK_CLASS_MODULES_H_ 13 #define NETLINK_CLASS_MODULES_H_ 14 15 #include <netlink/netlink.h> 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 /** 22 * Class operations 23 * @ingroup class_api 24 */ 25 struct rtnl_class_ops 26 { 27 /** 28 * Kind/Name of class 29 */ 30 char co_kind[32]; 31 32 /** 33 * Dump callbacks 34 */ 35 void (*co_dump[NL_DUMP_MAX+1])(struct rtnl_class *, 36 struct nl_dump_params *); 37 38 /** 39 * Must return the contents supposed to be in TCA_OPTIONS 40 */ 41 struct nl_msg *(*co_get_opts)(struct rtnl_class *); 42 43 /** 44 * TCA_OPTIONS message parser 45 */ 46 int (*co_msg_parser)(struct rtnl_class *); 47 48 /** 49 * Called before a class object gets destroyed 50 */ 51 void (*co_free_data)(struct rtnl_class *); 52 53 /** 54 * Called whenever a class object needs to be cloned 55 */ 56 int (*co_clone)(struct rtnl_class *, struct rtnl_class *); 57 58 /** 59 * INTERNAL (Do not use) 60 */ 61 struct rtnl_class_ops *co_next; 62 }; 63 64 extern int rtnl_class_register(struct rtnl_class_ops *); 65 extern int rtnl_class_unregister(struct rtnl_class_ops *); 66 extern struct rtnl_class_ops * rtnl_class_lookup_ops(struct rtnl_class *); 67 extern struct rtnl_class_ops * __rtnl_class_lookup_ops(const char *); 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif 74