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/*
* netlink/route/classifier-modules.h Classifier Module API
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
*/
#ifndef NETLINK_CLASS_MODULES_H_
#define NETLINK_CLASS_MODULES_H_
#include <netlink/netlink.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Classifier operations
* @ingroup cls_api
*/
struct rtnl_cls_ops
{
/**
* Name of classifier module
*/
char co_kind[32];
/**
* Size of private classifier data
*/
size_t co_size;
/**
* Dump callbacks
*/
void (*co_dump[NL_DUMP_MAX+1])(struct rtnl_cls *,
struct nl_dump_params *);
/**
* Must return the contents supposed to be in TCA_OPTIONS
*/
int (*co_get_opts)(struct rtnl_cls *, struct nl_msg *);
/**
* TCA_OPTIONS message parser
*/
int (*co_msg_parser)(struct rtnl_cls *);
/**
* Called before a class object gets destroyed
*/
void (*co_free_data)(struct rtnl_cls *);
/**
* Called whenever a classifier object needs to be cloned
*/
int (*co_clone)(struct rtnl_cls *, struct rtnl_cls *);
/**
* INTERNAL (Do not use)
*/
struct rtnl_cls_ops *co_next;
};
extern int rtnl_cls_register(struct rtnl_cls_ops *);
extern int rtnl_cls_unregister(struct rtnl_cls_ops *);
extern struct rtnl_cls_ops * rtnl_cls_lookup_ops(struct rtnl_cls *);
extern struct rtnl_cls_ops * __rtnl_cls_lookup_ops(const char *kind);
#ifdef __cplusplus
}
#endif
#endif
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