[mirror_frr.git] / lib / zclient.h

/* Zebra's client header.
 * Copyright (C) 1999 Kunihiro Ishiguro
 *
 * 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 _ZEBRA_ZCLIENT_H
#define _ZEBRA_ZCLIENT_H

/* For struct zapi_ipv{4,6}. */
#include "prefix.h"

/* For struct interface and struct connected. */
#include "if.h"

/* For vrf_bitmap_t. */
#include "vrf.h"

/* For union g_addr */
#include "nexthop.h"

/* For union pw_protocol_fields */
#include "pw.h"

/* For input/output buffer to zebra. */
#define ZEBRA_MAX_PACKET_SIZ          4096

/* Zebra header size. */
#define ZEBRA_HEADER_SIZE             8

/* special socket path name to use TCP
 * @ is used as first character because that's abstract socket names on Linux
 */
#define ZAPI_TCP_PATHNAME             "@tcp"

extern struct sockaddr_storage zclient_addr;
extern socklen_t zclient_addr_len;

/* Zebra message types. */
typedef enum {
	ZEBRA_INTERFACE_ADD,
	ZEBRA_INTERFACE_DELETE,
	ZEBRA_INTERFACE_ADDRESS_ADD,
	ZEBRA_INTERFACE_ADDRESS_DELETE,
	ZEBRA_INTERFACE_UP,
	ZEBRA_INTERFACE_DOWN,
	ZEBRA_INTERFACE_SET_MASTER,
	ZEBRA_ROUTE_ADD,
	ZEBRA_ROUTE_DELETE,
	ZEBRA_IPV4_ROUTE_ADD,
	ZEBRA_IPV4_ROUTE_DELETE,
	ZEBRA_IPV6_ROUTE_ADD,
	ZEBRA_IPV6_ROUTE_DELETE,
	ZEBRA_REDISTRIBUTE_ADD,
	ZEBRA_REDISTRIBUTE_DELETE,
	ZEBRA_REDISTRIBUTE_DEFAULT_ADD,
	ZEBRA_REDISTRIBUTE_DEFAULT_DELETE,
	ZEBRA_ROUTER_ID_ADD,
	ZEBRA_ROUTER_ID_DELETE,
	ZEBRA_ROUTER_ID_UPDATE,
	ZEBRA_HELLO,
	ZEBRA_NEXTHOP_REGISTER,
	ZEBRA_NEXTHOP_UNREGISTER,
	ZEBRA_NEXTHOP_UPDATE,
	ZEBRA_INTERFACE_NBR_ADDRESS_ADD,
	ZEBRA_INTERFACE_NBR_ADDRESS_DELETE,
	ZEBRA_INTERFACE_BFD_DEST_UPDATE,
	ZEBRA_IMPORT_ROUTE_REGISTER,
	ZEBRA_IMPORT_ROUTE_UNREGISTER,
	ZEBRA_IMPORT_CHECK_UPDATE,
	ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD,
	ZEBRA_BFD_DEST_REGISTER,
	ZEBRA_BFD_DEST_DEREGISTER,
	ZEBRA_BFD_DEST_UPDATE,
	ZEBRA_BFD_DEST_REPLAY,
	ZEBRA_REDISTRIBUTE_IPV4_ADD,
	ZEBRA_REDISTRIBUTE_IPV4_DEL,
	ZEBRA_REDISTRIBUTE_IPV6_ADD,
	ZEBRA_REDISTRIBUTE_IPV6_DEL,
	ZEBRA_VRF_UNREGISTER,
	ZEBRA_VRF_ADD,
	ZEBRA_VRF_DELETE,
	ZEBRA_INTERFACE_VRF_UPDATE,
	ZEBRA_BFD_CLIENT_REGISTER,
	ZEBRA_INTERFACE_ENABLE_RADV,
	ZEBRA_INTERFACE_DISABLE_RADV,
	ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB,
	ZEBRA_INTERFACE_LINK_PARAMS,
	ZEBRA_MPLS_LABELS_ADD,
	ZEBRA_MPLS_LABELS_DELETE,
	ZEBRA_IPMR_ROUTE_STATS,
	ZEBRA_LABEL_MANAGER_CONNECT,
	ZEBRA_GET_LABEL_CHUNK,
	ZEBRA_RELEASE_LABEL_CHUNK,
	ZEBRA_FEC_REGISTER,
	ZEBRA_FEC_UNREGISTER,
	ZEBRA_FEC_UPDATE,
	ZEBRA_ADVERTISE_DEFAULT_GW,
	ZEBRA_ADVERTISE_ALL_VNI,
	ZEBRA_VNI_ADD,
	ZEBRA_VNI_DEL,
	ZEBRA_REMOTE_VTEP_ADD,
	ZEBRA_REMOTE_VTEP_DEL,
	ZEBRA_MACIP_ADD,
	ZEBRA_MACIP_DEL,
	ZEBRA_REMOTE_MACIP_ADD,
	ZEBRA_REMOTE_MACIP_DEL,
	ZEBRA_PW_ADD,
	ZEBRA_PW_DELETE,
	ZEBRA_PW_SET,
	ZEBRA_PW_UNSET,
	ZEBRA_PW_STATUS_UPDATE,
} zebra_message_types_t;

struct redist_proto {
	u_char enabled;
	struct list *instances;
};

/* Structure for the zebra client. */
struct zclient {
	/* The thread master we schedule ourselves on */
	struct thread_master *master;

	/* Socket to zebra daemon. */
	int sock;

	/* Connection failure count. */
	int fail;

	/* Input buffer for zebra message. */
	struct stream *ibuf;

	/* Output buffer for zebra message. */
	struct stream *obuf;

	/* Buffer of data waiting to be written to zebra. */
	struct buffer *wb;

	/* Read and connect thread. */
	struct thread *t_read;
	struct thread *t_connect;

	/* Thread to write buffered data to zebra. */
	struct thread *t_write;

	/* Redistribute information. */
	u_char redist_default; /* clients protocol */
	u_short instance;
	struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX];
	vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX];

	/* Redistribute defauilt. */
	vrf_bitmap_t default_information;

	/* Pointer to the callback functions. */
	void (*zebra_connected)(struct zclient *);
	int (*router_id_update)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*interface_add)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*interface_delete)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*interface_up)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*interface_down)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*interface_address_add)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*interface_address_delete)(int, struct zclient *, uint16_t,
					vrf_id_t);
	int (*interface_link_params)(int, struct zclient *, uint16_t);
	int (*interface_bfd_dest_update)(int, struct zclient *, uint16_t,
					 vrf_id_t);
	int (*interface_nbr_address_add)(int, struct zclient *, uint16_t,
					 vrf_id_t);
	int (*interface_nbr_address_delete)(int, struct zclient *, uint16_t,
					    vrf_id_t);
	int (*interface_vrf_update)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*nexthop_update)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*import_check_update)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*bfd_dest_replay)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*redistribute_route_ipv4_add)(int, struct zclient *, uint16_t,
					   vrf_id_t);
	int (*redistribute_route_ipv4_del)(int, struct zclient *, uint16_t,
					   vrf_id_t);
	int (*redistribute_route_ipv6_add)(int, struct zclient *, uint16_t,
					   vrf_id_t);
	int (*redistribute_route_ipv6_del)(int, struct zclient *, uint16_t,
					   vrf_id_t);
	int (*fec_update)(int, struct zclient *, uint16_t);
	int (*local_vni_add)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*local_vni_del)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*local_macip_add)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*local_macip_del)(int, struct zclient *, uint16_t, vrf_id_t);
	int (*pw_status_update)(int, struct zclient *, uint16_t, vrf_id_t);
};

/* Zebra API message flag. */
#define ZAPI_MESSAGE_NEXTHOP  0x01
#define ZAPI_MESSAGE_IFINDEX  0x02
#define ZAPI_MESSAGE_DISTANCE 0x04
#define ZAPI_MESSAGE_METRIC   0x08
#define ZAPI_MESSAGE_TAG      0x10
#define ZAPI_MESSAGE_MTU      0x20
#define ZAPI_MESSAGE_SRCPFX   0x40
#define ZAPI_MESSAGE_LABEL    0x80

/* Zserv protocol message header */
struct zserv_header {
	uint16_t length;
	uint8_t marker; /* corresponds to command field in old zserv
			 * always set to 255 in new zserv.
			 */
	uint8_t version;
#define ZSERV_VERSION	4
	vrf_id_t vrf_id;
	uint16_t command;
};

struct zapi_nexthop {
	enum nexthop_types_t type;
	ifindex_t ifindex;
	union g_addr gate;

	/* MPLS labels for BGP-LU or Segment Routing */
	uint8_t label_num;
	mpls_label_t labels[MPLS_MAX_LABELS];
};

struct zapi_route {
	u_char type;
	u_short instance;

	u_int32_t flags;

	u_char message;

	safi_t safi;

	struct prefix prefix;
	struct prefix_ipv6 src_prefix;

	u_char nexthop_num;
	struct zapi_nexthop nexthops[MULTIPATH_NUM];

	u_char distance;

	u_int32_t metric;

	route_tag_t tag;

	u_int32_t mtu;

	vrf_id_t vrf_id;
};

/* Zebra IPv4 route message API. */
struct zapi_ipv4 {
	u_char type;
	u_short instance;

	u_int32_t flags;

	u_char message;

	safi_t safi;

	u_char nexthop_num;
	struct in_addr **nexthop;

	u_char ifindex_num;
	ifindex_t *ifindex;

	u_char label_num;
	unsigned int *label;

	u_char distance;

	u_int32_t metric;

	route_tag_t tag;

	u_int32_t mtu;

	vrf_id_t vrf_id;
};

struct zapi_pw {
	char ifname[IF_NAMESIZE];
	ifindex_t ifindex;
	int type;
	int af;
	union g_addr nexthop;
	uint32_t local_label;
	uint32_t remote_label;
	uint8_t flags;
	union pw_protocol_fields data;
	uint8_t protocol;
};

struct zapi_pw_status {
	char ifname[IF_NAMESIZE];
	ifindex_t ifindex;
	uint32_t status;
};

/* Zebra MAC types */
#define ZEBRA_MAC_TYPE_STICKY                0x01 /* Sticky MAC*/
#define ZEBRA_MAC_TYPE_GW                    0x02 /* gateway (SVI) mac*/

/* Prototypes of zebra client service functions. */
extern struct zclient *zclient_new(struct thread_master *);
extern void zclient_init(struct zclient *, int, u_short);
extern int zclient_start(struct zclient *);
extern void zclient_stop(struct zclient *);
extern void zclient_reset(struct zclient *);
extern void zclient_free(struct zclient *);

extern int zclient_socket_connect(struct zclient *);

extern u_short *redist_check_instance(struct redist_proto *, u_short);
extern void redist_add_instance(struct redist_proto *, u_short);
extern void redist_del_instance(struct redist_proto *, u_short);

extern void zclient_send_reg_requests(struct zclient *, vrf_id_t);
extern void zclient_send_dereg_requests(struct zclient *, vrf_id_t);

extern void zclient_send_interface_radv_req(struct zclient *zclient,
					    vrf_id_t vrf_id,
					    struct interface *ifp, int enable,
					    int ra_interval);

/* Send redistribute command to zebra daemon. Do not update zclient state. */
extern int zebra_redistribute_send(int command, struct zclient *, afi_t,
				   int type, u_short instance, vrf_id_t vrf_id);

/* If state has changed, update state and call zebra_redistribute_send. */
extern void zclient_redistribute(int command, struct zclient *, afi_t, int type,
				 u_short instance, vrf_id_t vrf_id);

/* If state has changed, update state and send the command to zebra. */
extern void zclient_redistribute_default(int command, struct zclient *,
					 vrf_id_t vrf_id);

/* Send the message in zclient->obuf to the zebra daemon (or enqueue it).
   Returns 0 for success or -1 on an I/O error. */
extern int zclient_send_message(struct zclient *);

/* create header for command, length to be filled in by user later */
extern void zclient_create_header(struct stream *, uint16_t, vrf_id_t);
extern int zclient_read_header(struct stream *s, int sock, u_int16_t *size,
			       u_char *marker, u_char *version,
			       vrf_id_t *vrf_id, u_int16_t *cmd);

extern void zclient_interface_set_master(struct zclient *client,
					 struct interface *master,
					 struct interface *slave);
extern struct interface *zebra_interface_add_read(struct stream *, vrf_id_t);
extern struct interface *zebra_interface_state_read(struct stream *s, vrf_id_t);
extern struct connected *zebra_interface_address_read(int, struct stream *,
						      vrf_id_t);
extern struct nbr_connected *
zebra_interface_nbr_address_read(int, struct stream *, vrf_id_t);
extern struct interface *zebra_interface_vrf_update_read(struct stream *s,
							 vrf_id_t vrf_id,
							 vrf_id_t *new_vrf_id);
extern void zebra_interface_if_set_value(struct stream *, struct interface *);
extern void zebra_router_id_update_read(struct stream *s, struct prefix *rid);
extern int zapi_ipv4_route(u_char, struct zclient *, struct prefix_ipv4 *,
			   struct zapi_ipv4 *);

extern struct interface *zebra_interface_link_params_read(struct stream *);
extern size_t zebra_interface_link_params_write(struct stream *,
						struct interface *);
extern int lm_label_manager_connect(struct zclient *zclient);
extern int lm_get_label_chunk(struct zclient *zclient, u_char keep,
			      uint32_t chunk_size, uint32_t *start,
			      uint32_t *end);
extern int lm_release_label_chunk(struct zclient *zclient, uint32_t start,
				  uint32_t end);
extern int zebra_send_pw(struct zclient *zclient, int command,
			 struct zapi_pw *pw);
extern void zebra_read_pw_status_update(int command, struct zclient *zclient,
					zebra_size_t length, vrf_id_t vrf_id,
					struct zapi_pw_status *pw);

/* IPv6 prefix add and delete function prototype. */

struct zapi_ipv6 {
	u_char type;
	u_short instance;

	u_int32_t flags;

	u_char message;

	safi_t safi;

	u_char nexthop_num;
	struct in6_addr **nexthop;

	u_char ifindex_num;
	ifindex_t *ifindex;

	u_char label_num;
	unsigned int *label;

	u_char distance;

	u_int32_t metric;

	route_tag_t tag;

	u_int32_t mtu;

	vrf_id_t vrf_id;
};

extern int zapi_ipv6_route(u_char cmd, struct zclient *zclient,
			   struct prefix_ipv6 *p, struct prefix_ipv6 *src_p,
			   struct zapi_ipv6 *api);
extern int zapi_ipv4_route_ipv6_nexthop(u_char, struct zclient *,
					struct prefix_ipv4 *,
					struct zapi_ipv6 *);
extern int zclient_route_send(u_char, struct zclient *, struct zapi_route *);
extern int zapi_route_encode(u_char, struct stream *, struct zapi_route *);
extern int zapi_route_decode(struct stream *, struct zapi_route *);

#endif /* _ZEBRA_ZCLIENT_H */
Commit	Line	Data
718e3744	1	/* Zebra's client header.
	2	* Copyright (C) 1999 Kunihiro Ishiguro
	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
	8	* the Free Software Foundation; either version 2, or (at your option)
	9	* any later version.
896014f4	10	*
718e3744	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.
896014f4 DL	15	*
	16	* You should have received a copy of the GNU General Public License along
	17	* with this program; see the file COPYING; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
718e3744	19	*/
	20
	21	#ifndef _ZEBRA_ZCLIENT_H
	22	#define _ZEBRA_ZCLIENT_H
	23
5734509c PJ	24	/* For struct zapi_ipv{4,6}. */
	25	#include "prefix.h"
	26
718e3744	27	/* For struct interface and struct connected. */
	28	#include "if.h"
	29
7076bb2f FL	30	/* For vrf_bitmap_t. */
	31	#include "vrf.h"
	32
6833ae01	33	/* For union g_addr */
	34	#include "nexthop.h"
	35
	36	/* For union pw_protocol_fields */
	37	#include "pw.h"
	38
718e3744	39	/* For input/output buffer to zebra. */
	40	#define ZEBRA_MAX_PACKET_SIZ 4096
	41
	42	/* Zebra header size. */
7076bb2f	43	#define ZEBRA_HEADER_SIZE 8
718e3744	44
689f5a8c DL	45	/* special socket path name to use TCP
	46	* @ is used as first character because that's abstract socket names on Linux
	47	*/
	48	#define ZAPI_TCP_PATHNAME "@tcp"
	49
	50	extern struct sockaddr_storage zclient_addr;
	51	extern socklen_t zclient_addr_len;
	52
8613585e DS	53	/* Zebra message types. */
8613585e DS	54	typedef enum {
d62a17ae	55	ZEBRA_INTERFACE_ADD,
	56	ZEBRA_INTERFACE_DELETE,
	57	ZEBRA_INTERFACE_ADDRESS_ADD,
	58	ZEBRA_INTERFACE_ADDRESS_DELETE,
	59	ZEBRA_INTERFACE_UP,
	60	ZEBRA_INTERFACE_DOWN,
e0ae31b8	61	ZEBRA_INTERFACE_SET_MASTER,
0e51b4a3 RW	62	ZEBRA_ROUTE_ADD,
0e51b4a3 RW	63	ZEBRA_ROUTE_DELETE,
d62a17ae	64	ZEBRA_IPV4_ROUTE_ADD,
	65	ZEBRA_IPV4_ROUTE_DELETE,
	66	ZEBRA_IPV6_ROUTE_ADD,
	67	ZEBRA_IPV6_ROUTE_DELETE,
	68	ZEBRA_REDISTRIBUTE_ADD,
	69	ZEBRA_REDISTRIBUTE_DELETE,
	70	ZEBRA_REDISTRIBUTE_DEFAULT_ADD,
	71	ZEBRA_REDISTRIBUTE_DEFAULT_DELETE,
	72	ZEBRA_ROUTER_ID_ADD,
	73	ZEBRA_ROUTER_ID_DELETE,
	74	ZEBRA_ROUTER_ID_UPDATE,
	75	ZEBRA_HELLO,
	76	ZEBRA_NEXTHOP_REGISTER,
	77	ZEBRA_NEXTHOP_UNREGISTER,
	78	ZEBRA_NEXTHOP_UPDATE,
	79	ZEBRA_INTERFACE_NBR_ADDRESS_ADD,
	80	ZEBRA_INTERFACE_NBR_ADDRESS_DELETE,
	81	ZEBRA_INTERFACE_BFD_DEST_UPDATE,
	82	ZEBRA_IMPORT_ROUTE_REGISTER,
	83	ZEBRA_IMPORT_ROUTE_UNREGISTER,
	84	ZEBRA_IMPORT_CHECK_UPDATE,
	85	ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD,
	86	ZEBRA_BFD_DEST_REGISTER,
	87	ZEBRA_BFD_DEST_DEREGISTER,
	88	ZEBRA_BFD_DEST_UPDATE,
	89	ZEBRA_BFD_DEST_REPLAY,
	90	ZEBRA_REDISTRIBUTE_IPV4_ADD,
	91	ZEBRA_REDISTRIBUTE_IPV4_DEL,
	92	ZEBRA_REDISTRIBUTE_IPV6_ADD,
	93	ZEBRA_REDISTRIBUTE_IPV6_DEL,
	94	ZEBRA_VRF_UNREGISTER,
	95	ZEBRA_VRF_ADD,
	96	ZEBRA_VRF_DELETE,
	97	ZEBRA_INTERFACE_VRF_UPDATE,
	98	ZEBRA_BFD_CLIENT_REGISTER,
	99	ZEBRA_INTERFACE_ENABLE_RADV,
	100	ZEBRA_INTERFACE_DISABLE_RADV,
	101	ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB,
	102	ZEBRA_INTERFACE_LINK_PARAMS,
	103	ZEBRA_MPLS_LABELS_ADD,
	104	ZEBRA_MPLS_LABELS_DELETE,
d62a17ae	105	ZEBRA_IPMR_ROUTE_STATS,
	106	ZEBRA_LABEL_MANAGER_CONNECT,
	107	ZEBRA_GET_LABEL_CHUNK,
	108	ZEBRA_RELEASE_LABEL_CHUNK,
	109	ZEBRA_FEC_REGISTER,
	110	ZEBRA_FEC_UNREGISTER,
	111	ZEBRA_FEC_UPDATE,
1a98c087	112	ZEBRA_ADVERTISE_DEFAULT_GW,
d62a17ae	113	ZEBRA_ADVERTISE_ALL_VNI,
	114	ZEBRA_VNI_ADD,
	115	ZEBRA_VNI_DEL,
	116	ZEBRA_REMOTE_VTEP_ADD,
	117	ZEBRA_REMOTE_VTEP_DEL,
	118	ZEBRA_MACIP_ADD,
	119	ZEBRA_MACIP_DEL,
	120	ZEBRA_REMOTE_MACIP_ADD,
	121	ZEBRA_REMOTE_MACIP_DEL,
6833ae01	122	ZEBRA_PW_ADD,
	123	ZEBRA_PW_DELETE,
	124	ZEBRA_PW_SET,
	125	ZEBRA_PW_UNSET,
	126	ZEBRA_PW_STATUS_UPDATE,
8613585e DS	127	} zebra_message_types_t;
8613585e DS	128
d62a17ae	129	struct redist_proto {
	130	u_char enabled;
	131	struct list *instances;
7c8ff89e DS	132	};
7c8ff89e DS	133
718e3744	134	/* Structure for the zebra client. */
d62a17ae	135	struct zclient {
	136	/* The thread master we schedule ourselves on */
	137	struct thread_master *master;
	138
	139	/* Socket to zebra daemon. */
	140	int sock;
	141
d62a17ae	142	/* Connection failure count. */
	143	int fail;
	144
	145	/* Input buffer for zebra message. */
	146	struct stream *ibuf;
	147
	148	/* Output buffer for zebra message. */
	149	struct stream *obuf;
	150
	151	/* Buffer of data waiting to be written to zebra. */
	152	struct buffer *wb;
	153
	154	/* Read and connect thread. */
	155	struct thread *t_read;
	156	struct thread *t_connect;
	157
	158	/* Thread to write buffered data to zebra. */
	159	struct thread *t_write;
	160
	161	/* Redistribute information. */
	162	u_char redist_default; /* clients protocol */
	163	u_short instance;
	164	struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX];
	165	vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX];
	166
	167	/* Redistribute defauilt. */
	168	vrf_bitmap_t default_information;
	169
	170	/* Pointer to the callback functions. */
	171	void (zebra_connected)(struct zclient );
	172	int (router_id_update)(int, struct zclient , uint16_t, vrf_id_t);
	173	int (interface_add)(int, struct zclient , uint16_t, vrf_id_t);
	174	int (interface_delete)(int, struct zclient , uint16_t, vrf_id_t);
	175	int (interface_up)(int, struct zclient , uint16_t, vrf_id_t);
	176	int (interface_down)(int, struct zclient , uint16_t, vrf_id_t);
	177	int (interface_address_add)(int, struct zclient , uint16_t, vrf_id_t);
	178	int (interface_address_delete)(int, struct zclient , uint16_t,
	179	vrf_id_t);
	180	int (interface_link_params)(int, struct zclient , uint16_t);
	181	int (interface_bfd_dest_update)(int, struct zclient , uint16_t,
	182	vrf_id_t);
	183	int (interface_nbr_address_add)(int, struct zclient , uint16_t,
	184	vrf_id_t);
	185	int (interface_nbr_address_delete)(int, struct zclient , uint16_t,
	186	vrf_id_t);
	187	int (interface_vrf_update)(int, struct zclient , uint16_t, vrf_id_t);
	188	int (nexthop_update)(int, struct zclient , uint16_t, vrf_id_t);
	189	int (import_check_update)(int, struct zclient , uint16_t, vrf_id_t);
	190	int (bfd_dest_replay)(int, struct zclient , uint16_t, vrf_id_t);
	191	int (redistribute_route_ipv4_add)(int, struct zclient , uint16_t,
	192	vrf_id_t);
	193	int (redistribute_route_ipv4_del)(int, struct zclient , uint16_t,
	194	vrf_id_t);
	195	int (redistribute_route_ipv6_add)(int, struct zclient , uint16_t,
	196	vrf_id_t);
	197	int (redistribute_route_ipv6_del)(int, struct zclient , uint16_t,
	198	vrf_id_t);
	199	int (fec_update)(int, struct zclient , uint16_t);
	200	int (local_vni_add)(int, struct zclient , uint16_t, vrf_id_t);
	201	int (local_vni_del)(int, struct zclient , uint16_t, vrf_id_t);
	202	int (local_macip_add)(int, struct zclient , uint16_t, vrf_id_t);
	203	int (local_macip_del)(int, struct zclient , uint16_t, vrf_id_t);
6833ae01	204	int (pw_status_update)(int, struct zclient , uint16_t, vrf_id_t);
718e3744	205	};
	206
	207	/* Zebra API message flag. */
	208	#define ZAPI_MESSAGE_NEXTHOP 0x01
	209	#define ZAPI_MESSAGE_IFINDEX 0x02
	210	#define ZAPI_MESSAGE_DISTANCE 0x04
	211	#define ZAPI_MESSAGE_METRIC 0x08
c8a1cb5c	212	#define ZAPI_MESSAGE_TAG 0x10
c50ca33a	213	#define ZAPI_MESSAGE_MTU 0x20
3c7c91d0	214	#define ZAPI_MESSAGE_SRCPFX 0x40
a64448ba	215	#define ZAPI_MESSAGE_LABEL 0x80
718e3744	216
c1b9800a	217	/* Zserv protocol message header */
d62a17ae	218	struct zserv_header {
	219	uint16_t length;
	220	uint8_t marker; /* corresponds to command field in old zserv
	221	* always set to 255 in new zserv.
	222	*/
	223	uint8_t version;
80e71dcd	224	#define ZSERV_VERSION 4
d62a17ae	225	vrf_id_t vrf_id;
d62a17ae	226	uint16_t command;
c1b9800a	227	};
c1b9800a	228
bb1b9c47 RW	229	struct zapi_nexthop {
	230	enum nexthop_types_t type;
	231	ifindex_t ifindex;
	232	union g_addr gate;
52dd3aa4 RW	233
	234	/* MPLS labels for BGP-LU or Segment Routing */
	235	uint8_t label_num;
	236	mpls_label_t labels[MPLS_MAX_LABELS];
bb1b9c47 RW	237	};
bb1b9c47 RW	238
d62a17ae	239	struct zapi_route {
	240	u_char type;
	241	u_short instance;
657cde12	242
d62a17ae	243	u_int32_t flags;
657cde12	244
d62a17ae	245	u_char message;
657cde12	246
d62a17ae	247	safi_t safi;
657cde12	248
bb1b9c47 RW	249	struct prefix prefix;
	250	struct prefix_ipv6 src_prefix;
	251
d62a17ae	252	u_char nexthop_num;
bb1b9c47	253	struct zapi_nexthop nexthops[MULTIPATH_NUM];
657cde12	254
d62a17ae	255	u_char distance;
657cde12	256
d62a17ae	257	u_int32_t metric;
657cde12	258
d62a17ae	259	route_tag_t tag;
657cde12	260
d62a17ae	261	u_int32_t mtu;
657cde12	262
d62a17ae	263	vrf_id_t vrf_id;
657cde12 DS	264	};
657cde12 DS	265
718e3744	266	/* Zebra IPv4 route message API. */
d62a17ae	267	struct zapi_ipv4 {
	268	u_char type;
	269	u_short instance;
718e3744	270
d62a17ae	271	u_int32_t flags;
718e3744	272
d62a17ae	273	u_char message;
718e3744	274
d62a17ae	275	safi_t safi;
5a616c08	276
d62a17ae	277	u_char nexthop_num;
d62a17ae	278	struct in_addr **nexthop;
718e3744	279
d62a17ae	280	u_char ifindex_num;
d62a17ae	281	ifindex_t *ifindex;
718e3744	282
d62a17ae	283	u_char label_num;
d62a17ae	284	unsigned int *label;
a64448ba	285
d62a17ae	286	u_char distance;
718e3744	287
d62a17ae	288	u_int32_t metric;
0d9551dc	289
d62a17ae	290	route_tag_t tag;
7076bb2f	291
d62a17ae	292	u_int32_t mtu;
c50ca33a	293
d62a17ae	294	vrf_id_t vrf_id;
718e3744	295	};
718e3744	296
6833ae01	297	struct zapi_pw {
	298	char ifname[IF_NAMESIZE];
	299	ifindex_t ifindex;
	300	int type;
	301	int af;
	302	union g_addr nexthop;
	303	uint32_t local_label;
	304	uint32_t remote_label;
	305	uint8_t flags;
	306	union pw_protocol_fields data;
	307	uint8_t protocol;
	308	};
	309
	310	struct zapi_pw_status {
	311	char ifname[IF_NAMESIZE];
	312	ifindex_t ifindex;
	313	uint32_t status;
	314	};
	315
1a98c087 MK	316	/* Zebra MAC types */
	317	#define ZEBRA_MAC_TYPE_STICKY 0x01 /* Sticky MAC*/
	318	#define ZEBRA_MAC_TYPE_GW 0x02 /* gateway (SVI) mac*/
	319
718e3744	320	/* Prototypes of zebra client service functions. */
d62a17ae	321	extern struct zclient zclient_new(struct thread_master );
	322	extern void zclient_init(struct zclient *, int, u_short);
	323	extern int zclient_start(struct zclient *);
	324	extern void zclient_stop(struct zclient *);
	325	extern void zclient_reset(struct zclient *);
	326	extern void zclient_free(struct zclient *);
634f9ea2	327
d62a17ae	328	extern int zclient_socket_connect(struct zclient *);
718e3744	329
d62a17ae	330	extern u_short redist_check_instance(struct redist_proto , u_short);
	331	extern void redist_add_instance(struct redist_proto *, u_short);
	332	extern void redist_del_instance(struct redist_proto *, u_short);
7c8ff89e	333
d62a17ae	334	extern void zclient_send_reg_requests(struct zclient *, vrf_id_t);
d62a17ae	335	extern void zclient_send_dereg_requests(struct zclient *, vrf_id_t);
7076bb2f	336
d62a17ae	337	extern void zclient_send_interface_radv_req(struct zclient *zclient,
	338	vrf_id_t vrf_id,
	339	struct interface *ifp, int enable,
	340	int ra_interval);
4a04e5f7	341
634f9ea2	342	/* Send redistribute command to zebra daemon. Do not update zclient state. */
d62a17ae	343	extern int zebra_redistribute_send(int command, struct zclient *, afi_t,
d62a17ae	344	int type, u_short instance, vrf_id_t vrf_id);
634f9ea2	345
634f9ea2	346	/* If state has changed, update state and call zebra_redistribute_send. */
d62a17ae	347	extern void zclient_redistribute(int command, struct zclient *, afi_t, int type,
d62a17ae	348	u_short instance, vrf_id_t vrf_id);
634f9ea2	349
634f9ea2	350	/* If state has changed, update state and send the command to zebra. */
d62a17ae	351	extern void zclient_redistribute_default(int command, struct zclient *,
d62a17ae	352	vrf_id_t vrf_id);
718e3744	353
634f9ea2	354	/* Send the message in zclient->obuf to the zebra daemon (or enqueue it).
	355	Returns 0 for success or -1 on an I/O error. */
	356	extern int zclient_send_message(struct zclient *);
718e3744	357
d211086a	358	/* create header for command, length to be filled in by user later */
d62a17ae	359	extern void zclient_create_header(struct stream *, uint16_t, vrf_id_t);
	360	extern int zclient_read_header(struct stream s, int sock, u_int16_t size,
	361	u_char marker, u_char version,
	362	vrf_id_t vrf_id, u_int16_t cmd);
	363
e0ae31b8 DS	364	extern void zclient_interface_set_master(struct zclient *client,
	365	struct interface *master,
	366	struct interface *slave);
d62a17ae	367	extern struct interface zebra_interface_add_read(struct stream , vrf_id_t);
	368	extern struct interface zebra_interface_state_read(struct stream s, vrf_id_t);
	369	extern struct connected zebra_interface_address_read(int, struct stream ,
	370	vrf_id_t);
	371	extern struct nbr_connected *
	372	zebra_interface_nbr_address_read(int, struct stream *, vrf_id_t);
	373	extern struct interface zebra_interface_vrf_update_read(struct stream s,
	374	vrf_id_t vrf_id,
	375	vrf_id_t *new_vrf_id);
	376	extern void zebra_interface_if_set_value(struct stream , struct interface );
	377	extern void zebra_router_id_update_read(struct stream s, struct prefix rid);
	378	extern int zapi_ipv4_route(u_char, struct zclient , struct prefix_ipv4 ,
	379	struct zapi_ipv4 *);
	380
	381	extern struct interface zebra_interface_link_params_read(struct stream );
	382	extern size_t zebra_interface_link_params_write(struct stream *,
	383	struct interface *);
	384	extern int lm_label_manager_connect(struct zclient *zclient);
	385	extern int lm_get_label_chunk(struct zclient *zclient, u_char keep,
	386	uint32_t chunk_size, uint32_t *start,
	387	uint32_t *end);
	388	extern int lm_release_label_chunk(struct zclient *zclient, uint32_t start,
	389	uint32_t end);
6833ae01	390	extern int zebra_send_pw(struct zclient *zclient, int command,
	391	struct zapi_pw *pw);
	392	extern void zebra_read_pw_status_update(int command, struct zclient *zclient,
	393	zebra_size_t length, vrf_id_t vrf_id,
	394	struct zapi_pw_status *pw);
	395
718e3744	396	/* IPv6 prefix add and delete function prototype. */
718e3744	397
d62a17ae	398	struct zapi_ipv6 {
	399	u_char type;
	400	u_short instance;
718e3744	401
d62a17ae	402	u_int32_t flags;
718e3744	403
d62a17ae	404	u_char message;
718e3744	405
d62a17ae	406	safi_t safi;
c7ec179a	407
d62a17ae	408	u_char nexthop_num;
d62a17ae	409	struct in6_addr **nexthop;
718e3744	410
d62a17ae	411	u_char ifindex_num;
d62a17ae	412	ifindex_t *ifindex;
718e3744	413
d62a17ae	414	u_char label_num;
d62a17ae	415	unsigned int *label;
a64448ba	416
d62a17ae	417	u_char distance;
718e3744	418
d62a17ae	419	u_int32_t metric;
0d9551dc	420
d62a17ae	421	route_tag_t tag;
7076bb2f	422
d62a17ae	423	u_int32_t mtu;
c50ca33a	424
d62a17ae	425	vrf_id_t vrf_id;
718e3744	426	};
718e3744	427
d62a17ae	428	extern int zapi_ipv6_route(u_char cmd, struct zclient *zclient,
	429	struct prefix_ipv6 p, struct prefix_ipv6 src_p,
	430	struct zapi_ipv6 *api);
	431	extern int zapi_ipv4_route_ipv6_nexthop(u_char, struct zclient *,
	432	struct prefix_ipv4 *,
	433	struct zapi_ipv6 *);
0e51b4a3 RW	434	extern int zclient_route_send(u_char, struct zclient , struct zapi_route );
	435	extern int zapi_route_encode(u_char, struct stream , struct zapi_route );
	436	extern int zapi_route_decode(struct stream , struct zapi_route );
718e3744	437
718e3744	438	#endif /* _ZEBRA_ZCLIENT_H */