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classifier-modules.h

/*
 * 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
 */
00025 struct rtnl_cls_ops
{
      /**
       * Name of classifier module
       */
00030       char co_kind[32];


      /**
       * Size of private classifier data
       */
00036       size_t co_size;

      /**
       * Dump callbacks
       */
00041       void (*co_dump[NL_DUMP_MAX+1])(struct rtnl_cls *,
                               struct nl_dump_params *);
      /**
       * Must return the contents supposed to be in TCA_OPTIONS
       */
00046       int (*co_get_opts)(struct rtnl_cls *, struct nl_msg *);

      /**
       * TCA_OPTIONS message parser
       */
00051       int (*co_msg_parser)(struct rtnl_cls *);

      /**
       * Called before a class object gets destroyed
       */
00056       void (*co_free_data)(struct rtnl_cls *);

      /**
       * Called whenever a classifier object needs to be cloned
       */
00061       int (*co_clone)(struct rtnl_cls *, struct rtnl_cls *);

      /**
       * INTERNAL (Do not use)
       */
00066       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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