1/*
2 * netlink/route/qdisc-modules.h       Qdisc 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_QDISC_MODULES_H_
13#define NETLINK_QDISC_MODULES_H_
14
15#include <netlink/netlink.h>
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21/**
22 * Qdisc Operations
23 * @ingroup qdisc
24 */
25struct rtnl_qdisc_ops
26{
27	/**
28	 * Kind/Name of Qdisc
29	 */
30	char qo_kind[32];
31
32	/**
33	 * Dump callbacks
34	 */
35	void  (*qo_dump[NL_DUMP_MAX+1])(struct rtnl_qdisc *,
36					struct nl_dump_params *);
37
38	/**
39	 * Must return the contents supposed to be in TCA_OPTIONS
40	 */
41	struct nl_msg *(*qo_get_opts)(struct rtnl_qdisc *);
42
43	int (*qo_build_msg)(struct rtnl_qdisc *, struct nl_msg *);
44
45	/**
46	 * TCA_OPTIONS message parser
47	 */
48	int  (*qo_msg_parser)(struct rtnl_qdisc *);
49
50	/**
51	 * Called before a Qdisc object gets destroyed
52	 */
53	void (*qo_free_data)(struct rtnl_qdisc *);
54
55	/**
56	 * Called whenever a qdisc object needs to be cloned
57	 */
58	int  (*qo_clone)(struct rtnl_qdisc *, struct rtnl_qdisc *);
59
60	/**
61	 * INTERNAL (Do not use)
62	 */
63	struct rtnl_qdisc_ops *qo_next;
64};
65
66extern int			rtnl_qdisc_register(struct rtnl_qdisc_ops *);
67extern int			rtnl_qdisc_unregister(struct rtnl_qdisc_ops *);
68extern struct rtnl_qdisc_ops *	rtnl_qdisc_lookup_ops(struct rtnl_qdisc *);
69extern struct rtnl_qdisc_ops *	__rtnl_qdisc_lookup_ops(const char *);
70
71#ifdef __cplusplus
72}
73#endif
74
75#endif
76