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/*
* Zebra next hop tracking header
* Copyright (C) 2013 Cumulus Networks, Inc.
*
* 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_RNH_H
#define _ZEBRA_RNH_H
#include "prefix.h"
#include "vty.h"
/* Nexthop structure. */
struct rnh
{
u_char flags;
#define ZEBRA_NHT_CONNECTED 0x1
#define ZEBRA_NHT_DELETED 0x2
#define ZEBRA_NHT_EXACT_MATCH 0x4
/* VRF identifier. */
vrf_id_t vrf_id;
struct route_entry *state;
struct prefix resolved_route;
struct list *client_list;
struct list *zebra_static_route_list; /* static routes dependent on this NH */
struct route_node *node;
int filtered[ZEBRA_ROUTE_MAX]; /* if this has been filtered for client */
};
typedef enum
{
RNH_NEXTHOP_TYPE,
RNH_IMPORT_CHECK_TYPE
} rnh_type_t;
extern int zebra_rnh_ip_default_route;
extern int zebra_rnh_ipv6_default_route;
extern struct rnh *zebra_add_rnh(struct prefix *p, vrf_id_t vrfid,
rnh_type_t type);
extern struct rnh *zebra_lookup_rnh(struct prefix *p, vrf_id_t vrfid,
rnh_type_t type);
extern void zebra_free_rnh (struct rnh *rnh);
extern void zebra_delete_rnh(struct rnh *rnh, rnh_type_t type);
extern void zebra_add_rnh_client(struct rnh *rnh, struct zserv *client, rnh_type_t type,
vrf_id_t vrfid);
extern void zebra_register_rnh_static_nh(vrf_id_t, struct prefix *, struct route_node *);
extern void zebra_deregister_rnh_static_nexthops (vrf_id_t, struct nexthop *nexthop,
struct route_node *rn);
extern void zebra_deregister_rnh_static_nh(vrf_id_t, struct prefix *, struct route_node *);
extern void zebra_remove_rnh_client(struct rnh *rnh, struct zserv *client,
rnh_type_t type);
extern void zebra_evaluate_rnh(vrf_id_t vrfid, int family, int force, rnh_type_t type,
struct prefix *p);
extern void zebra_print_rnh_table(vrf_id_t vrfid, int family, struct vty *vty, rnh_type_t);
extern char *rnh_str(struct rnh *rnh, char *buf, int size);
extern int zebra_cleanup_rnh_client(vrf_id_t vrf, int family, struct zserv *client,
rnh_type_t type);
#endif /*_ZEBRA_RNH_H */
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