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    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
   18:  * along with GNU Zebra; see the file COPYING.  If not, write to the
   19:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   20:  * Boston, MA 02111-1307, USA.
   21:  */
   22: 
   23: #ifndef _ZEBRA_OSPF_FLOOD_H
   24: #define _ZEBRA_OSPF_FLOOD_H
   25: 
   26: extern int ospf_flood (struct ospf *, struct ospf_neighbor *,
   27: 		       struct ospf_lsa *, struct ospf_lsa *);
   28: extern int ospf_flood_through (struct ospf *, struct ospf_neighbor *,
   29: 			       struct ospf_lsa *);
   30: extern int ospf_flood_through_area (struct ospf_area *,
   31: 				    struct ospf_neighbor *,
   32: 				    struct ospf_lsa *);
   33: extern int ospf_flood_through_as (struct ospf *, struct ospf_neighbor *,
   34: 				  struct ospf_lsa *);
   35: 
   36: extern unsigned long ospf_ls_request_count (struct ospf_neighbor *);
   37: extern int ospf_ls_request_isempty (struct ospf_neighbor *);
   38: extern struct ospf_lsa *ospf_ls_request_new (struct lsa_header *);
   39: extern void ospf_ls_request_free (struct ospf_lsa *);
   40: extern void ospf_ls_request_add (struct ospf_neighbor *, struct ospf_lsa *);
   41: extern void ospf_ls_request_delete (struct ospf_neighbor *,
   42: 				    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 *,
   49: 						    int);
   50: extern int ospf_ls_retransmit_isempty (struct ospf_neighbor *);
   51: extern void ospf_ls_retransmit_add (struct ospf_neighbor *,
   52: 				    struct ospf_lsa *);
   53: extern void ospf_ls_retransmit_delete (struct ospf_neighbor *,
   54: 				       struct ospf_lsa *);
   55: extern void ospf_ls_retransmit_clear (struct ospf_neighbor *);
   56: extern struct ospf_lsa *ospf_ls_retransmit_lookup (struct ospf_neighbor *,
   57: 						   struct ospf_lsa *);
   58: extern void ospf_ls_retransmit_delete_nbr_area (struct ospf_area *,
   59: 						struct ospf_lsa *);
   60: extern void ospf_ls_retransmit_delete_nbr_as (struct ospf *,
   61: 					      struct ospf_lsa *);
   62: extern void ospf_ls_retransmit_add_nbr_all (struct ospf_interface *,
   63: 					    struct ospf_lsa *);
   64: 
   65: extern void ospf_flood_lsa_area (struct ospf_lsa *, struct ospf_area *);
   66: extern void ospf_flood_lsa_as (struct ospf_lsa *);
   67: extern void ospf_lsa_flush_area (struct ospf_lsa *, struct ospf_area *);
   68: extern void ospf_lsa_flush_as (struct ospf *, struct ospf_lsa *);
   69: extern void ospf_lsa_flush (struct ospf *, struct ospf_lsa *);
   70: extern struct external_info *ospf_external_info_check (struct ospf_lsa *);
   71: 
   72: extern void ospf_lsdb_init (struct ospf_lsdb *);
   73: 
   74: #endif /* _ZEBRA_OSPF_FLOOD_H */