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/* Quagga AFI/SAFI
* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Kunihiro Ishiguro
* Copyright (C) 2009 Chris Hall (GMCH), Highwayman
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2, or (at your
* option) any later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _QUAGGA_AFI_SAFI_H
#define _QUAGGA_AFI_SAFI_H
#include <stdint.h>
#include "lib/zassert.h"
/*==============================================================================
* Generic AFI and SAFI types.
*/
typedef uint16_t afi_t;
typedef uint8_t safi_t;
/*==============================================================================
* iAFI and iSAFI
*
* These are the standard IANA registered AFI and SAFI values that Quagga is
* at all interested in.
*/
typedef enum iAFI iAFI_t ;
enum iAFI
{
iAFI_Reserved = 0, /* No meaning defined by IANA */
iAFI_IP = 1, /* IP (IP version 4) */
iAFI_IP6 = 2, /* IP6 (IP version 6) */
iAFI_IPV4 = iAFI_IP, /* locally AKA */
iAFI_IPV6 = iAFI_IP6 /* locally AKA */
} ;
typedef enum iSAFI iSAFI_t ;
enum iSAFI
{
iSAFI_Reserved = 0, /* No meaning defined by IANA */
iSAFI_Unicast = 1, /* unicast forwarding */
iSAFI_Multicast = 2, /* multicast forwarding */
iSAFI_Unused = 3, /* also Reserved by IANA */
iSAFI_MPLS_VPN = 128 /* MPLS-labeled VPN address */
} ;
/*==============================================================================
* qAFI and qSAFI
*
* These are the AFI and SAFI values that Quagga uses internally.
*
* They are almost the same as the IANA numbers, but different where that
* is required to produce a dense set.
*/
typedef enum qAFI qAFI_t ;
enum qAFI
{
qAFI_min = 0, /* minimum valid qAFI */
qAFI_undef = 0, /* undefined AFI */
qAFI_first = 1, /* first real qAFI */
qAFI_IP = 1,
qAFI_IP6 = 2,
qAFI_last = 2, /* last real qAFI */
qAFI_max = 2, /* maximum valid qAFI */
qAFI_count, /* number of distinct qAFI */
qAFI_IPV4 = qAFI_IP,
qAFI_IPV6 = qAFI_IP6
} ;
typedef enum qSAFI qSAFI_t ;
enum qSAFI
{
qSAFI_min = 0, /* minimum valid qSAFI */
qSAFI_undef = 0, /* undefined SAFI */
qSAFI_first = 1, /* first real qSAFI */
qSAFI_Unicast = 1,
qSAFI_Multicast = 2,
qSAFI_Unused = 3,
qSAFI_MPLS_VPN = 4,
qSAFI_last = 4, /* last real qSAFI */
qSAFI_max = 4, /* maximum valid qSAFI */
qSAFI_count /* number of distinct qSAFI */
} ;
/*==============================================================================
* iAFI_SAFI and qAFI_SAFI structures
*/
struct iAFI_SAFI
{
iAFI_t afi ;
iSAFI_t safi ;
} ;
typedef struct iAFI_SAFI iAFI_SAFI_t ;
typedef struct iAFI_SAFI* iAFI_SAFI ;
struct qAFI_SAFI
{
qAFI_t afi ;
qSAFI_t safi ;
} ;
typedef struct qAFI_SAFI qAFI_SAFI_t ;
typedef struct qAFI_SAFI* qAFI_SAFI ;
/*==============================================================================
* POSIX address family type
*/
typedef int pAF_t ;
/*==============================================================================
* Quagga AFI/SAFI values -- original macro definitions
*/
/* Address family numbers from RFC1700. */
#define AFI_IP 1
#define AFI_IP6 2
#define AFI_MAX 3
CONFIRM( (AFI_IP == qAFI_IP)
&& (AFI_IP == iAFI_IP) ) ;
CONFIRM( (AFI_IP6 == qAFI_IP6)
&& (AFI_IP6 == iAFI_IP6) ) ;
CONFIRM(AFI_MAX == qAFI_count) ;
/* Subsequent Address Family Identifier. */
#define SAFI_UNICAST 1
#define SAFI_MULTICAST 2
#define SAFI_UNICAST_MULTICAST 3
#define SAFI_MPLS_VPN 4
#define SAFI_MAX 5
CONFIRM( (SAFI_UNICAST == qSAFI_Unicast)
&& (SAFI_UNICAST == iSAFI_Unicast) ) ;
CONFIRM( (SAFI_MULTICAST == qSAFI_Multicast)
&& (SAFI_MULTICAST == iSAFI_Multicast) ) ;
CONFIRM( (SAFI_UNICAST_MULTICAST == qSAFI_Unused)
&& (SAFI_UNICAST_MULTICAST == iSAFI_Unused) ) ;
CONFIRM(SAFI_MPLS_VPN == qSAFI_MPLS_VPN) ;
CONFIRM(SAFI_MAX == qSAFI_count) ;
#endif /* _QUAGGA_AFI_SAFI_H */
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