ospfd/ospf_flood.h

   1 /*
   2  * OSPF Flooding -- RFC2328 Section 13.
   3  * Copyright (C) 1999, 2000 Toshiaki Takada
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation; either version 2, or (at your
  10  * option) any 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_OSPF_FLOOD_H
  23 #define _ZEBRA_OSPF_FLOOD_H
  24
  25 extern int ospf_flood(struct ospf *, struct ospf_neighbor *, struct ospf_lsa *,
  26                       struct ospf_lsa *);
  27 extern int ospf_flood_through(struct ospf *, struct ospf_neighbor *,
  28                               struct ospf_lsa *);
  29 extern int ospf_flood_through_area(struct ospf_area *, struct ospf_neighbor *,
  30                                    struct ospf_lsa *);
  31 extern int ospf_flood_through_as(struct ospf *, struct ospf_neighbor *,
  32                                  struct ospf_lsa *);
  33 extern int ospf_flood_through_interface(struct ospf_interface *oi,
  34                                         struct ospf_neighbor *inbr,
  35                                         struct ospf_lsa *lsa);
  36
  37 extern unsigned long ospf_ls_request_count(struct ospf_neighbor *);
  38 extern int ospf_ls_request_isempty(struct ospf_neighbor *);
  39 extern struct ospf_lsa *ospf_ls_request_new(struct lsa_header *);
  40 extern void ospf_ls_request_free(struct ospf_lsa *);
  41 extern void ospf_ls_request_add(struct ospf_neighbor *, struct ospf_lsa *);
  42 extern void ospf_ls_request_delete(struct ospf_neighbor *, struct ospf_lsa *);
  43 extern void ospf_ls_request_delete_all(struct ospf_neighbor *);
  44 extern struct ospf_lsa *ospf_ls_request_lookup(struct ospf_neighbor *,
  45                                                struct ospf_lsa *);
  46
  47 extern unsigned long ospf_ls_retransmit_count(struct ospf_neighbor *);
  48 extern unsigned long ospf_ls_retransmit_count_self(struct ospf_neighbor *, int);
  49 extern int ospf_ls_retransmit_isempty(struct ospf_neighbor *);
  50 extern void ospf_ls_retransmit_add(struct ospf_neighbor *, struct ospf_lsa *);
  51 extern void ospf_ls_retransmit_delete(struct ospf_neighbor *,
  52                                       struct ospf_lsa *);
  53 extern void ospf_ls_retransmit_clear(struct ospf_neighbor *);
  54 extern struct ospf_lsa *ospf_ls_retransmit_lookup(struct ospf_neighbor *,
  55                                                   struct ospf_lsa *);
  56 extern void ospf_ls_retransmit_delete_nbr_area(struct ospf_area *,
  57                                                struct ospf_lsa *);
  58 extern void ospf_ls_retransmit_delete_nbr_as(struct ospf *, struct ospf_lsa *);
  59 extern void ospf_ls_retransmit_add_nbr_all(struct ospf_interface *,
  60                                            struct ospf_lsa *);
  61
  62 extern void ospf_flood_lsa_area(struct ospf_lsa *, struct ospf_area *);
  63 extern void ospf_flood_lsa_as(struct ospf_lsa *);
  64 extern void ospf_lsa_flush_area(struct ospf_lsa *, struct ospf_area *);
  65 extern void ospf_lsa_flush_as(struct ospf *, struct ospf_lsa *);
  66 extern void ospf_lsa_flush(struct ospf *, struct ospf_lsa *);
  67 extern struct external_info *ospf_external_info_check(struct ospf *,
  68                                                       struct ospf_lsa *);
  69
  70 extern void ospf_lsdb_init(struct ospf_lsdb *);
  71
  72 #endif /* _ZEBRA_OSPF_FLOOD_H */