[mirror_frr.git] / bgpd / bgp_mplsvpn.h

/* 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 */
Commit	Line	Data
718e3744	1	/* MPLS-VPN
	2	Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
	3
	4	This file is part of GNU Zebra.
	5
	6	GNU Zebra is free software; you can redistribute it and/or modify it
	7	under the terms of the GNU General Public License as published by the
	8	Free Software Foundation; either version 2, or (at your option) any
	9	later version.
	10
	11	GNU Zebra is distributed in the hope that it will be useful, but
	12	WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GNU Zebra; see the file COPYING. If not, write to the Free
	18	Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	19	02111-1307, USA. */
	20
00d252cb	21	#ifndef _QUAGGA_BGP_MPLSVPN_H
	22	#define _QUAGGA_BGP_MPLSVPN_H
	23
4f280b15 LB	24	#include "bgpd/bgp_route.h"
4f280b15 LB	25
718e3744	26	#define RD_TYPE_AS 0
718e3744	27	#define RD_TYPE_IP 1
fe770c88	28	#define RD_TYPE_AS4 2
65efcfce LB	29	#if ENABLE_BGP_VNC
	30	#define RD_TYPE_VNC_ETH 0xff00 /* VNC L2VPN */
	31	#endif
718e3744	32
	33	#define RD_ADDRSTRLEN 28
	34
5ff06872	35	#ifdef MPLS_LABEL_MAX
ac4d0be5	36	#undef MPLS_LABEL_MAX
5ff06872 LB	37	#endif
5ff06872 LB	38
65efcfce	39	typedef enum {
ac4d0be5	40	MPLS_LABEL_IPV4_EXPLICIT_NULL = 0, /* [RFC3032] */
	41	MPLS_LABEL_ROUTER_ALERT = 1, /* [RFC3032] */
	42	MPLS_LABEL_IPV6_EXPLICIT_NULL = 2, /* [RFC3032] */
	43	MPLS_LABEL_IMPLICIT_NULL = 3, /* [RFC3032] */
	44	MPLS_LABEL_UNASSIGNED4 = 4,
	45	MPLS_LABEL_UNASSIGNED5 = 5,
	46	MPLS_LABEL_UNASSIGNED6 = 6,
	47	MPLS_LABEL_ELI = 7, /* Entropy Indicator [RFC6790] */
	48	MPLS_LABEL_UNASSIGNED8 = 8,
	49	MPLS_LABEL_UNASSIGNED9 = 9,
	50	MPLS_LABEL_UNASSIGNED10 = 10,
	51	MPLS_LABEL_UNASSIGNED11 = 11,
	52	MPLS_LABEL_GAL = 13, /* [RFC5586] */
	53	MPLS_LABEL_OAM_ALERT = 14, /* [RFC3429] */
	54	MPLS_LABEL_EXTENSION = 15, /* [RFC7274] */
	55	MPLS_LABEL_MAX = 1048575,
	56	MPLS_LABEL_ILLEGAL = 0xFFFFFFFF /* for internal use only */
65efcfce LB	57	} mpls_special_label_t;
65efcfce LB	58
ac4d0be5	59	#define MPLS_LABEL_IS_SPECIAL(label) ((label) <= MPLS_LABEL_EXTENSION)
	60	#define MPLS_LABEL_IS_NULL(label) \
	61	((label) == MPLS_LABEL_IPV4_EXPLICIT_NULL \
	62	\|\| (label) == MPLS_LABEL_IPV6_EXPLICIT_NULL \
	63	\|\| (label) == MPLS_LABEL_IMPLICIT_NULL)
	64
	65	#define BGP_VPNVX_HELP_STR \
	66	"Address Family\n" \
	67	"Address Family\n"
	68
	69	struct rd_as {
	70	u_int16_t type;
	71	as_t as;
	72	u_int32_t val;
718e3744	73	};
718e3744	74
ac4d0be5	75	struct rd_ip {
	76	u_int16_t type;
	77	struct in_addr ip;
	78	u_int16_t val;
718e3744	79	};
718e3744	80
65efcfce	81	#if ENABLE_BGP_VNC
ac4d0be5	82	struct rd_vnc_eth {
	83	u_int16_t type;
	84	uint8_t local_nve_id;
	85	struct ethaddr macaddr;
65efcfce LB	86	};
	87	#endif
	88
ac4d0be5	89	extern u_int16_t decode_rd_type(u_char *);
	90	extern void encode_rd_type(u_int16_t, u_char *);
	91	extern void bgp_mplsvpn_init(void);
	92	extern int bgp_nlri_parse_vpn(struct peer , struct attr , struct bgp_nlri *);
	93	extern u_int32_t decode_label(u_char *);
1a39c60a	94	extern void encode_label(u_int32_t, u_char *);
ac4d0be5	95	extern void decode_rd_as(u_char , struct rd_as );
	96	extern void decode_rd_as4(u_char , struct rd_as );
	97	extern void decode_rd_ip(u_char , struct rd_ip );
65efcfce	98	#if ENABLE_BGP_VNC
ac4d0be5	99	extern void decode_rd_vnc_eth(u_char pnt, struct rd_vnc_eth rd_vnc_eth);
65efcfce	100	#endif
ac4d0be5	101	extern int str2prefix_rd(const char , struct prefix_rd );
	102	extern char prefix_rd2str(struct prefix_rd , char *, size_t);
	103
	104	extern int argv_find_and_parse_vpnvx(struct cmd_token **argv, int argc,
	105	int index, afi_t afi);
	106	extern int bgp_show_mpls_vpn(struct vty vty, afi_t afi, struct prefix_rd prd,
	107	enum bgp_show_type type, void *output_arg,
	108	int tags, u_char use_json);
d6902373	109
00d252cb	110	#endif /* _QUAGGA_BGP_MPLSVPN_H */