2 * netlink/route/rtnl.h Routing Netlink
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
9 * Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
12 #ifndef NETLINK_RTNL_H_
13 #define NETLINK_RTNL_H_
15 #include <netlink/netlink.h>
27 * Mask specying the size of each realm part
30 #define RTNL_REALM_MASK (0xFFFF)
33 * Extract FROM realm from a realms field
35 #define RTNL_REALM_FROM(realm) ((realm) >> 16)
38 * Extract TO realm from a realms field
40 #define RTNL_REALM_TO(realm) ((realm) & RTNL_REALM_MASK)
43 * Build a realms field
45 #define RTNL_MAKE_REALM(from, to) \
46 ((RTNL_REALM_TO(from) << 16) & RTNL_REALM_TO(to))
52 extern int nl_rtgen_request(struct nl_sock *, int, int, int);
54 /* Routing Type Translations */
55 extern char * nl_rtntype2str(int, char *, size_t);
56 extern int nl_str2rtntype(const char *);
58 /* Scope Translations */
59 extern char * rtnl_scope2str(int, char *, size_t);
60 extern int rtnl_str2scope(const char *);
62 /* Realms Translations */
63 extern char * rtnl_realms2str(uint32_t, char *, size_t);