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/*
* netlink/route/link/info-api.h Link Info 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) 2003-2008 Thomas Graf <tgraf@suug.ch>
*/
#ifndef NETLINK_LINK_INFO_API_H_
#define NETLINK_LINK_INFO_API_H_
#include <netlink/netlink.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @ingroup link_info
*
* Link info operations
*/
struct rtnl_link_info_ops
{
/** Name of operations, must match name on kernel side */
char * io_name;
/** Reference count (internal, do not use) */
int io_refcnt;
/** Called to assign an info type to a link.
* Has to allocate enough resources to hold attributes. Can
* use link->l_info to store a pointer. */
int (*io_alloc)(struct rtnl_link *);
/** Called to parse the link info attribute.
* Must parse the attribute and assign all values to the link.
*/
int (*io_parse)(struct rtnl_link *,
struct nlattr *,
struct nlattr *);
/** Called when the link object is dumped.
* Must dump the info type specific attributes. */
void (*io_dump[NL_DUMP_MAX+1])(struct rtnl_link *,
struct nl_dump_params *);
/** Called when a link object is cloned.
* Must clone all info type specific attributes. */
int (*io_clone)(struct rtnl_link *, struct rtnl_link *);
/** Called when construction a link netlink message.
* Must append all info type specific attributes to the message. */
int (*io_put_attrs)(struct nl_msg *, struct rtnl_link *);
/** Called to release all resources previously allocated
* in either io_alloc() or io_parse(). */
void (*io_free)(struct rtnl_link *);
struct rtnl_link_info_ops * io_next;
};
extern struct rtnl_link_info_ops *rtnl_link_info_ops_lookup(const char *);
extern int rtnl_link_register_info(struct rtnl_link_info_ops *);
extern int rtnl_link_unregister_info(struct rtnl_link_info_ops *);
#endif