libnl 1.1
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00001 /* 00002 * netlink/route/rtnl.h Routing Netlink 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation version 2.1 00007 * of the License. 00008 * 00009 * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch> 00010 */ 00011 00012 #ifndef NETLINK_RTNL_H_ 00013 #define NETLINK_RTNL_H_ 00014 00015 #include <netlink/netlink.h> 00016 00017 #ifdef __cplusplus 00018 extern "C" { 00019 #endif 00020 00021 /** 00022 * @name Realms 00023 * @{ 00024 */ 00025 00026 typedef uint32_t realm_t; 00027 00028 /** 00029 * Mask specying the size of each realm part 00030 * @ingroup rtnl 00031 */ 00032 #define RTNL_REALM_MASK (0xFFFF) 00033 00034 /** 00035 * Extract FROM realm from a realms field 00036 */ 00037 #define RTNL_REALM_FROM(realm) ((realm) >> 16) 00038 00039 /** 00040 * Extract TO realm from a realms field 00041 */ 00042 #define RTNL_REALM_TO(realm) ((realm) & RTNL_REALM_MASK) 00043 00044 /** 00045 * Build a realms field 00046 */ 00047 #define RTNL_MAKE_REALM(from, to) \ 00048 ((RTNL_REALM_TO(from) << 16) & RTNL_REALM_TO(to)) 00049 00050 /** @} */ 00051 00052 00053 /* General */ 00054 extern int nl_rtgen_request(struct nl_handle *, int, int, int); 00055 00056 /* Routing Type Translations */ 00057 extern char * nl_rtntype2str(int, char *, size_t); 00058 extern int nl_str2rtntype(const char *); 00059 00060 /* Scope Translations */ 00061 extern char * rtnl_scope2str(int, char *, size_t); 00062 extern int rtnl_str2scope(const char *); 00063 00064 /* Realms Translations */ 00065 extern char * rtnl_realms2str(uint32_t, char *, size_t); 00066 00067 #ifdef __cplusplus 00068 } 00069 #endif 00070 00071 #endif