zebra/zebra_rnh.h

   1 /*
   2  * Zebra next hop tracking header
   3  * Copyright (C) 2013 Cumulus Networks, Inc.
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * GNU Zebra is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef _ZEBRA_RNH_H
  23 #define _ZEBRA_RNH_H
  24
  25 #include "prefix.h"
  26 #include "vty.h"
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 extern void zebra_rnh_init(void);
  33
  34 extern struct rnh *zebra_add_rnh(struct prefix *p, vrf_id_t vrfid, safi_t safi,
  35                                  bool *exists);
  36 extern struct rnh *zebra_lookup_rnh(struct prefix *p, vrf_id_t vrfid,
  37                                     safi_t safi);
  38 extern void zebra_free_rnh(struct rnh *rnh);
  39 extern void zebra_add_rnh_client(struct rnh *rnh, struct zserv *client,
  40                                  vrf_id_t vrfid);
  41 extern int zebra_send_rnh_update(struct rnh *rnh, struct zserv *client,
  42                                  vrf_id_t vrf_id, uint32_t srte_color);
  43 extern void zebra_register_rnh_pseudowire(vrf_id_t, struct zebra_pw *, bool *);
  44 extern void zebra_deregister_rnh_pseudowire(vrf_id_t, struct zebra_pw *);
  45 extern void zebra_remove_rnh_client(struct rnh *rnh, struct zserv *client);
  46 extern void zebra_evaluate_rnh(struct zebra_vrf *zvrf, afi_t afi, int force,
  47                                const struct prefix *p, safi_t safi);
  48 extern void zebra_print_rnh_table(vrf_id_t vrfid, afi_t afi, safi_t safi,
  49                                   struct vty *vty, const struct prefix *p,
  50                                   json_object *json);
  51
  52 extern int rnh_resolve_via_default(struct zebra_vrf *zvrf, int family);
  53
  54 extern bool rnh_nexthop_valid(const struct route_entry *re,
  55                               const struct nexthop *nh);
  56
  57 /* UI control to avoid notifications if backup nexthop status changes */
  58 void rnh_set_hide_backups(bool hide_p);
  59 bool rnh_get_hide_backups(void);
  60
  61 void show_nexthop_json_helper(json_object *json_nexthop,
  62                               const struct nexthop *nexthop,
  63                               const struct route_entry *re);
  64 void show_route_nexthop_helper(struct vty *vty, const struct route_entry *re,
  65                                const struct nexthop *nexthop);
  66
  67 #ifdef __cplusplus
  68 }
  69 #endif
  70
  71 #endif /*_ZEBRA_RNH_H */