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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 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_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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