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rtnl.h

/*
 * netlink/route/rtnl.h       Routing Netlink
 *
 *    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) 2003-2006 Thomas Graf <tgraf@suug.ch>
 */

#ifndef NETLINK_RTNL_H_
#define NETLINK_RTNL_H_

#include <netlink/netlink.h>

/**
 * @name Realms
 * @{
 */

typedef uint32_t  realm_t;

/**
 * Mask specying the size of each realm part
 * @ingroup rtnl
 */
00028 #define RTNL_REALM_MASK (0xFFFF)

/**
 * Extract FROM realm from a realms field
 */
#define RTNL_REALM_FROM(realm) ((realm) >> 16)

/**
 * Extract TO realm from a realms field
 */
#define RTNL_REALM_TO(realm) ((realm) & RTNL_REALM_MASK)

/**
 * Build a realms field
 */
#define RTNL_MAKE_REALM(from, to) \
      ((RTNL_REALM_TO(from) << 16) & RTNL_REALM_TO(to))

/** @} */


/* General */
extern int        nl_rtgen_request(struct nl_handle *, int, int, int);

/* Routing Type Translations */
extern char *           nl_rtntype2str(int, char *, size_t);
extern int        nl_str2rtntype(const char *);

/* Scope Translations */
extern char *           rtnl_scope2str(int, char *, size_t);
extern int        rtnl_str2scope(const char *);

/* Realms Translations */
extern char *           rtnl_realms2str(uint32_t, char *, size_t);

#endif

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