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/* MPLS-VPN
* Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
*
* 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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _QUAGGA_BGP_MPLSVPN_H
#define _QUAGGA_BGP_MPLSVPN_H
#include "bgpd/bgp_route.h"
#define RD_TYPE_AS 0
#define RD_TYPE_IP 1
#define RD_TYPE_AS4 2
#if ENABLE_BGP_VNC
#define RD_TYPE_VNC_ETH 0xff00 /* VNC L2VPN */
#endif
#define RD_ADDRSTRLEN 28
#ifdef MPLS_LABEL_MAX
# undef MPLS_LABEL_MAX
#endif
typedef enum {
MPLS_LABEL_IPV4_EXPLICIT_NULL = 0, /* [RFC3032] */
MPLS_LABEL_ROUTER_ALERT = 1, /* [RFC3032] */
MPLS_LABEL_IPV6_EXPLICIT_NULL = 2, /* [RFC3032] */
MPLS_LABEL_IMPLICIT_NULL = 3, /* [RFC3032] */
MPLS_LABEL_UNASSIGNED4 = 4,
MPLS_LABEL_UNASSIGNED5 = 5,
MPLS_LABEL_UNASSIGNED6 = 6,
MPLS_LABEL_ELI = 7, /* Entropy Indicator [RFC6790] */
MPLS_LABEL_UNASSIGNED8 = 8,
MPLS_LABEL_UNASSIGNED9 = 9,
MPLS_LABEL_UNASSIGNED10 = 10,
MPLS_LABEL_UNASSIGNED11 = 11,
MPLS_LABEL_GAL = 13, /* [RFC5586] */
MPLS_LABEL_OAM_ALERT = 14, /* [RFC3429] */
MPLS_LABEL_EXTENSION = 15, /* [RFC7274] */
MPLS_LABEL_MAX = 1048575,
MPLS_LABEL_ILLEGAL = 0xFFFFFFFF /* for internal use only */
} mpls_special_label_t;
#define MPLS_LABEL_IS_SPECIAL(label) \
((label) <= MPLS_LABEL_EXTENSION)
#define MPLS_LABEL_IS_NULL(label) \
((label) == MPLS_LABEL_IPV4_EXPLICIT_NULL || \
(label) == MPLS_LABEL_IPV6_EXPLICIT_NULL || \
(label) == MPLS_LABEL_IMPLICIT_NULL)
#define BGP_VPNVX_HELP_STR \
"Address Family\n" \
"Address Family\n"
struct rd_as
{
u_int16_t type;
as_t as;
u_int32_t val;
};
struct rd_ip
{
u_int16_t type;
struct in_addr ip;
u_int16_t val;
};
#if ENABLE_BGP_VNC
struct rd_vnc_eth
{
u_int16_t type;
uint8_t local_nve_id;
struct ethaddr macaddr;
};
#endif
extern u_int16_t decode_rd_type (u_char *);
extern void encode_rd_type (u_int16_t, u_char *);
extern void bgp_mplsvpn_init (void);
extern int bgp_nlri_parse_vpn (struct peer *, struct attr *, struct bgp_nlri *);
extern u_int32_t decode_label (u_char *);
extern void encode_label(u_int32_t, u_char *);
extern void decode_rd_as (u_char *, struct rd_as *);
extern void decode_rd_as4 (u_char *, struct rd_as *);
extern void decode_rd_ip (u_char *, struct rd_ip *);
#if ENABLE_BGP_VNC
extern void
decode_rd_vnc_eth (u_char *pnt, struct rd_vnc_eth *rd_vnc_eth);
#endif
extern int str2prefix_rd (const char *, struct prefix_rd *);
extern char *prefix_rd2str (struct prefix_rd *, char *, size_t);
extern int
argv_find_and_parse_vpnvx(struct cmd_token **argv, int argc, int *index, afi_t *afi);
extern int bgp_show_mpls_vpn (struct vty *vty, afi_t afi, struct prefix_rd *prd,
enum bgp_show_type type, void *output_arg, int tags, u_char use_json);
#endif /* _QUAGGA_BGP_MPLSVPN_H */
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