1/*
2 * netlink/route/rtnl.h		Routing Netlink
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) 2003-2008 Thomas Graf <tgraf@suug.ch>
10 */
11
12#ifndef NETLINK_RTNL_H_
13#define NETLINK_RTNL_H_
14
15#include <netlink/netlink.h>
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21/**
22 * @name Realms
23 * @{
24 */
25
26/**
27 * Mask specying the size of each realm part
28 * @ingroup rtnl
29 */
30#define RTNL_REALM_MASK (0xFFFF)
31
32/**
33 * Extract FROM realm from a realms field
34 */
35#define RTNL_REALM_FROM(realm) ((realm) >> 16)
36
37/**
38 * Extract TO realm from a realms field
39 */
40#define RTNL_REALM_TO(realm) ((realm) & RTNL_REALM_MASK)
41
42/**
43 * Build a realms field
44 */
45#define RTNL_MAKE_REALM(from, to) \
46	((RTNL_REALM_TO(from) << 16) & RTNL_REALM_TO(to))
47
48/** @} */
49
50
51/* General */
52extern int		nl_rtgen_request(struct nl_sock *, int, int, int);
53
54/* Routing Type Translations */
55extern char *		nl_rtntype2str(int, char *, size_t);
56extern int		nl_str2rtntype(const char *);
57
58/* Scope Translations */
59extern char *		rtnl_scope2str(int, char *, size_t);
60extern int		rtnl_str2scope(const char *);
61
62/* Realms Translations */
63extern char *		rtnl_realms2str(uint32_t, char *, size_t);
64
65#ifdef __cplusplus
66}
67#endif
68
69#endif
70