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quagga 1.0.20160315

    1: /*
    2:  * Copyright (C) 2003 Yasuhiro Ohara
    3:  *
    4:  * This file is part of GNU Zebra.
    5:  *
    6:  * GNU Zebra is free software; you can redistribute it and/or modify it
    7:  * under the terms of the GNU General Public License as published by the
    8:  * Free Software Foundation; either version 2, or (at your option) any
    9:  * later version.
   10:  *
   11:  * GNU Zebra is distributed in the hope that it will be useful, but
   12:  * WITHOUT ANY WARRANTY; without even the implied warranty of
   13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:  * General Public License for more details.
   15:  *
   16:  * You should have received a copy of the GNU General Public License
   17:  * along with GNU Zebra; see the file COPYING.  If not, write to the 
   18:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
   19:  * Boston, MA 02111-1307, USA.  
   20:  */
   21: 
   22: #ifndef OSPF_AREA_H
   23: #define OSPF_AREA_H
   24: 
   25: #include "ospf6_top.h"
   26: 
   27: struct ospf6_area
   28: {
   29:   /* Reference to Top data structure */
   30:   struct ospf6 *ospf6;
   31: 
   32:   /* Area-ID */
   33:   u_int32_t area_id;
   34: 
   35:   /* Area-ID string */
   36:   char name[16];
   37: 
   38:   /* flag */
   39:   u_char flag;
   40: 
   41:   /* OSPF Option */
   42:   u_char options[3];
   43: 
   44:   /* Summary routes to be originated (includes Configured Address Ranges) */
   45:   struct ospf6_route_table *range_table;
   46:   struct ospf6_route_table *summary_prefix;
   47:   struct ospf6_route_table *summary_router;
   48: 
   49:   /* OSPF interface list */
   50:   struct list *if_list;
   51: 
   52:   struct ospf6_lsdb *lsdb;
   53:   struct ospf6_lsdb *lsdb_self;
   54: 
   55:   struct ospf6_route_table *spf_table;
   56:   struct ospf6_route_table *route_table;
   57: 
   58:   struct thread  *thread_spf_calculation;
   59:   struct thread  *thread_route_calculation;
   60:   u_int32_t spf_calculation;	/* SPF calculation count */
   61: 
   62:   struct thread *thread_router_lsa;
   63:   struct thread *thread_intra_prefix_lsa;
   64:   u_int32_t router_lsa_size_limit;
   65: 
   66:   /* Area announce list */
   67:   struct
   68:   {
   69:     char *name;
   70:     struct access_list *list;
   71:   } _export;
   72: #define EXPORT_NAME(A)  (A)->_export.name
   73: #define EXPORT_LIST(A)  (A)->_export.list
   74: 
   75:   /* Area acceptance list */
   76:   struct
   77:   {
   78:     char *name;
   79:     struct access_list *list;
   80:   } import;
   81: #define IMPORT_NAME(A)  (A)->import.name
   82: #define IMPORT_LIST(A)  (A)->import.list
   83: 
   84:   /* Type 3 LSA Area prefix-list */
   85:   struct
   86:   {
   87:     char *name;
   88:     struct prefix_list *list;
   89:   } plist_in;
   90: #define PREFIX_NAME_IN(A)  (A)->plist_in.name
   91: #define PREFIX_LIST_IN(A)  (A)->plist_in.list
   92: 
   93:   struct
   94:   {
   95:     char *name;
   96:     struct prefix_list *list;
   97:   } plist_out;
   98: #define PREFIX_NAME_OUT(A)  (A)->plist_out.name
   99: #define PREFIX_LIST_OUT(A)  (A)->plist_out.list
  100: 
  101: };
  102: 
  103: #define OSPF6_AREA_ENABLE     0x01
  104: #define OSPF6_AREA_ACTIVE     0x02
  105: #define OSPF6_AREA_TRANSIT    0x04 /* TransitCapability */
  106: #define OSPF6_AREA_STUB       0x08
  107: 
  108: #define IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE))
  109: #define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE))
  110: #define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT))
  111: #define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB))
  112: 
  113: /* prototypes */
  114: extern int ospf6_area_cmp (void *va, void *vb);
  115: 
  116: extern struct ospf6_area *ospf6_area_create (u_int32_t, struct ospf6 *);
  117: extern void ospf6_area_delete (struct ospf6_area *);
  118: extern struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *);
  119: 
  120: extern void ospf6_area_enable (struct ospf6_area *);
  121: extern void ospf6_area_disable (struct ospf6_area *);
  122: 
  123: extern void ospf6_area_show (struct vty *, struct ospf6_area *);
  124: 
  125: extern void ospf6_area_config_write (struct vty *vty);
  126: extern void ospf6_area_init (void);
  127: 
  128: #endif /* OSPF_AREA_H */