eigrpd/eigrp_topology.h

   1 /*
   2  * EIGRP Topology Table.
   3  * Copyright (C) 2013-2016
   4  * Authors:
   5  *   Donnie Savage
   6  *   Jan Janovic
   7  *   Matej Perina
   8  *   Peter Orsag
   9  *   Peter Paluch
  10  *   Frantisek Gazo
  11  *   Tomas Hvorkovy
  12  *   Martin Kontsek
  13  *   Lukas Koribsky
  14  *
  15  * This file is part of GNU Zebra.
  16  *
  17  * GNU Zebra is free software; you can redistribute it and/or modify it
  18  * under the terms of the GNU General Public License as published by the
  19  * Free Software Foundation; either version 2, or (at your option) any
  20  * later version.
  21  *
  22  * GNU Zebra is distributed in the hope that it will be useful, but
  23  * WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  25  * General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License along
  28  * with this program; see the file COPYING; if not, write to the Free Software
  29  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  30  */
  31
  32 #ifndef _ZEBRA_EIGRP_TOPOLOGY_H
  33 #define _ZEBRA_EIGRP_TOPOLOGY_H
  34
  35 #include "memory.h"
  36
  37 DECLARE_MTYPE(EIGRP_PREFIX_DESCRIPTOR);
  38
  39 /* EIGRP Topology table related functions. */
  40 extern struct route_table *eigrp_topology_new(void);
  41 extern void eigrp_topology_init(struct route_table *table);
  42 extern struct eigrp_prefix_descriptor *eigrp_prefix_descriptor_new(void);
  43 extern struct eigrp_route_descriptor *eigrp_route_descriptor_new(void);
  44 extern void eigrp_topology_free(struct eigrp *eigrp, struct route_table *table);
  45 extern void eigrp_prefix_descriptor_add(struct route_table *table,
  46                                         struct eigrp_prefix_descriptor *pe);
  47 extern void eigrp_route_descriptor_add(struct eigrp *eigrp,
  48                                        struct eigrp_prefix_descriptor *pe,
  49                                        struct eigrp_route_descriptor *ne);
  50 extern void eigrp_prefix_descriptor_delete(struct eigrp *eigrp,
  51                                            struct route_table *table,
  52                                            struct eigrp_prefix_descriptor *pe);
  53 extern void eigrp_route_descriptor_delete(struct eigrp *eigrp,
  54                                           struct eigrp_prefix_descriptor *pe,
  55                                           struct eigrp_route_descriptor *ne);
  56 extern void eigrp_topology_delete_all(struct eigrp *eigrp,
  57                                       struct route_table *table);
  58 extern struct eigrp_prefix_descriptor *
  59 eigrp_topology_table_lookup_ipv4(struct route_table *table, struct prefix *p);
  60 extern struct list *
  61 eigrp_topology_get_successor(struct eigrp_prefix_descriptor *pe);
  62 extern struct list *
  63 eigrp_topology_get_successor_max(struct eigrp_prefix_descriptor *pe,
  64                                  unsigned int maxpaths);
  65 extern struct eigrp_route_descriptor *
  66 eigrp_route_descriptor_lookup(struct list *entries,
  67                               struct eigrp_neighbor *neigh);
  68 extern struct list *eigrp_neighbor_prefixes_lookup(struct eigrp *eigrp,
  69                                                    struct eigrp_neighbor *n);
  70 extern void eigrp_topology_update_all_node_flags(struct eigrp *eigrp);
  71 extern void
  72 eigrp_topology_update_node_flags(struct eigrp *eigrp,
  73                                  struct eigrp_prefix_descriptor *pe);
  74 extern enum metric_change
  75 eigrp_topology_update_distance(struct eigrp_fsm_action_message *msg);
  76 extern void eigrp_update_routing_table(struct eigrp *eigrp,
  77                                        struct eigrp_prefix_descriptor *pe);
  78 extern void eigrp_topology_neighbor_down(struct eigrp *eigrp,
  79                                          struct eigrp_neighbor *neigh);
  80 extern void
  81 eigrp_update_topology_table_prefix(struct eigrp *eigrp,
  82                                    struct route_table *table,
  83                                    struct eigrp_prefix_descriptor *pe);
  84
  85 #endif