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ca1f4309e6
Support stubby and totally stubby areas in OSPFv3 Signed-off-by: Dinesh G Dutt <ddutt at cumulusnetworks.com> Reviewed-by: Pradosh Mohapatra <pmohapat at cumulusnetworks.com>
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/*
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* Copyright (C) 2003 Yasuhiro Ohara
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef OSPF_AREA_H
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#define OSPF_AREA_H
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#include "ospf6_top.h"
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struct ospf6_area
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{
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/* Reference to Top data structure */
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struct ospf6 *ospf6;
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/* Area-ID */
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u_int32_t area_id;
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/* Area-ID string */
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char name[16];
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/* flag */
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u_char flag;
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/* OSPF Option */
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u_char options[3];
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/* Summary routes to be originated (includes Configured Address Ranges) */
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struct ospf6_route_table *range_table;
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struct ospf6_route_table *summary_prefix;
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struct ospf6_route_table *summary_router;
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/* Area type */
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int no_summary;
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/* OSPF interface list */
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struct list *if_list;
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struct ospf6_lsdb *lsdb;
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struct ospf6_lsdb *lsdb_self;
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struct ospf6_route_table *spf_table;
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struct ospf6_route_table *route_table;
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u_int32_t spf_calculation; /* SPF calculation count */
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struct thread *thread_router_lsa;
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struct thread *thread_intra_prefix_lsa;
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u_int32_t router_lsa_size_limit;
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/* Area announce list */
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struct
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{
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char *name;
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struct access_list *list;
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} _export;
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#define EXPORT_NAME(A) (A)->_export.name
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#define EXPORT_LIST(A) (A)->_export.list
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/* Area acceptance list */
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struct
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{
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char *name;
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struct access_list *list;
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} import;
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#define IMPORT_NAME(A) (A)->import.name
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#define IMPORT_LIST(A) (A)->import.list
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/* Type 3 LSA Area prefix-list */
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struct
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{
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char *name;
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struct prefix_list *list;
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} plist_in;
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#define PREFIX_NAME_IN(A) (A)->plist_in.name
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#define PREFIX_LIST_IN(A) (A)->plist_in.list
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struct
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{
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char *name;
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struct prefix_list *list;
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} plist_out;
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#define PREFIX_NAME_OUT(A) (A)->plist_out.name
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#define PREFIX_LIST_OUT(A) (A)->plist_out.list
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/* Time stamps. */
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struct timeval ts_spf; /* SPF calculation time stamp. */
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};
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#define OSPF6_AREA_ENABLE 0x01
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#define OSPF6_AREA_ACTIVE 0x02
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#define OSPF6_AREA_TRANSIT 0x04 /* TransitCapability */
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#define OSPF6_AREA_STUB 0x08
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#define IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE))
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#define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE))
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#define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT))
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#define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB))
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/* prototypes */
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extern int ospf6_area_cmp (void *va, void *vb);
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extern struct ospf6_area *ospf6_area_create (u_int32_t, struct ospf6 *);
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extern void ospf6_area_delete (struct ospf6_area *);
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extern struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *);
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extern void ospf6_area_enable (struct ospf6_area *);
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extern void ospf6_area_disable (struct ospf6_area *);
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extern void ospf6_area_show (struct vty *, struct ospf6_area *);
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extern void ospf6_area_config_write (struct vty *vty);
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extern void ospf6_area_init (void);
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#endif /* OSPF_AREA_H */
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