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ematch.h

/*
 * netlink/route/cls/ematch.h       Extended Matches
 *
 *    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) 2008 Thomas Graf <tgraf@suug.ch>
 */

#ifndef NETLINK_CLS_EMATCH_H_
#define NETLINK_CLS_EMATCH_H_

#include <netlink/netlink.h>
#include <netlink/route/classifier.h>
#include <linux/pkt_cls.h>

#ifdef __cplusplus
extern "C" {
#endif

struct rtnl_ematch;
struct rtnl_ematch_tree;

00026 struct rtnl_ematch_ops
{
      int                     eo_kind;
      const char *                  eo_name;
      size_t                        eo_datalen;

      int                     (*eo_parse)(struct rtnl_ematch *,
                                      void *, size_t);
      void                    (*eo_dump)(struct rtnl_ematch *,
                                     struct nl_dump_params *);
      struct nl_list_head           eo_list;
};

extern int  rtnl_ematch_register(struct rtnl_ematch_ops *);
extern int  rtnl_ematch_unregister(struct rtnl_ematch_ops *);

extern struct rtnl_ematch_ops *
            rtnl_ematch_lookup_ops(int);
extern struct rtnl_ematch_ops *
            rtnl_ematch_lookup_ops_name(const char *);

extern struct rtnl_ematch *
            rtnl_ematch_alloc(struct rtnl_ematch_ops *);
extern void rtnl_ematch_add_child(struct rtnl_ematch *,
                              struct rtnl_ematch *);
extern void rtnl_ematch_unlink(struct rtnl_ematch *);
extern void rtnl_ematch_free(struct rtnl_ematch *);

extern void *     rtnl_ematch_data(struct rtnl_ematch *);
extern void rtnl_ematch_set_flags(struct rtnl_ematch *, uint16_t);
extern void rtnl_ematch_unset_flags(struct rtnl_ematch *, uint16_t);
extern uint16_t   rtnl_ematch_get_flags(struct rtnl_ematch *);

extern struct rtnl_ematch_tree *
            rtnl_ematch_tree_alloc(uint16_t);
extern void rtnl_ematch_tree_free(struct rtnl_ematch_tree *);

extern int  rtnl_ematch_parse(struct nlattr *, struct rtnl_ematch_tree **);
extern void rtnl_ematch_tree_add_tail(struct rtnl_ematch_tree *,
                                struct rtnl_ematch *);
extern void rtnl_ematch_tree_dump(struct rtnl_ematch_tree *,
                              struct nl_dump_params *);

#ifdef __cplusplus
}
#endif

#endif

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