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 int zebra_rnh_ip_default_route;
  33 extern int zebra_rnh_ipv6_default_route;
  34
  35 extern void zebra_rnh_init(void);
  36
  37 static inline int rnh_resolve_via_default(int family)
  38 {
  39         if (((family == AF_INET) && zebra_rnh_ip_default_route)
  40             || ((family == AF_INET6) && zebra_rnh_ipv6_default_route))
  41                 return 1;
  42         else
  43                 return 0;
  44 }
  45
  46 extern struct rnh *zebra_add_rnh(struct prefix *p, vrf_id_t vrfid,
  47                                  rnh_type_t type, bool *exists);
  48 extern struct rnh *zebra_lookup_rnh(struct prefix *p, vrf_id_t vrfid,
  49                                     rnh_type_t type);
  50 extern void zebra_free_rnh(struct rnh *rnh);
  51 extern void zebra_add_rnh_client(struct rnh *rnh, struct zserv *client,
  52                                  rnh_type_t type, vrf_id_t vrfid);
  53 extern void zebra_register_rnh_pseudowire(vrf_id_t, struct zebra_pw *);
  54 extern void zebra_deregister_rnh_pseudowire(vrf_id_t, struct zebra_pw *);
  55 extern void zebra_remove_rnh_client(struct rnh *rnh, struct zserv *client,
  56                                     rnh_type_t type);
  57 extern void zebra_evaluate_rnh(struct zebra_vrf *zvrf, afi_t afi, int force,
  58                                rnh_type_t type, struct prefix *p);
  59 extern void zebra_print_rnh_table(vrf_id_t vrfid, afi_t afi, struct vty *vty,
  60                                   rnh_type_t type, struct prefix *p);
  61 extern char *rnh_str(struct rnh *rnh, char *buf, int size);
  62
  63 #ifdef __cplusplus
  64 }
  65 #endif
  66
  67 #endif /*_ZEBRA_RNH_H */