void
ospf6_abr_enable_area (struct ospf6_area *area)
{
struct ospf6_area *oa;
struct ospf6_route *ro;
struct listnode *node, *nnode;
for (ALL_LIST_ELEMENTS (area->ospf6->area_list, node, nnode, oa))
{
/* update B bit for each area */
OSPF6_ROUTER_LSA_SCHEDULE (oa);
/* install other area's configured address range */
if (oa != area)
{
for (ro = ospf6_route_head (oa->range_table); ro;
ro = ospf6_route_next (ro))
{
if (CHECK_FLAG (ro->flag, OSPF6_ROUTE_ACTIVE_SUMMARY))
ospf6_abr_originate_summary_to_area (ro, area);
}
}
}
/* install calculated routes to border routers */
for (ro = ospf6_route_head (area->ospf6->brouter_table); ro;
ro = ospf6_route_next (ro))
ospf6_abr_originate_summary_to_area (ro, area);
/* install calculated routes to network (may be rejected by ranges) */
for (ro = ospf6_route_head (area->ospf6->route_table); ro;
ro = ospf6_route_next (ro))
ospf6_abr_originate_summary_to_area (ro, area);
}
/* Make new area structure */
struct ospf6_area *
ospf6_area_create (u_int32_t area_id, struct ospf6 *o)
{
struct ospf6_area *oa;
struct ospf6_route *route;
oa = XCALLOC (MTYPE_OSPF6_AREA, sizeof (struct ospf6_area));
inet_ntop (AF_INET, &area_id, oa->name, sizeof (oa->name));
oa->area_id = area_id;
oa->if_list = list_new ();
oa->lsdb = ospf6_lsdb_create (oa);
oa->lsdb->hook_add = ospf6_area_lsdb_hook_add;
oa->lsdb->hook_remove = ospf6_area_lsdb_hook_remove;
oa->lsdb_self = ospf6_lsdb_create (oa);
oa->spf_table = OSPF6_ROUTE_TABLE_CREATE (AREA, SPF_RESULTS);
oa->spf_table->scope = oa;
oa->route_table = OSPF6_ROUTE_TABLE_CREATE (AREA, ROUTES);
oa->route_table->scope = oa;
oa->route_table->hook_add = ospf6_area_route_hook_add;
oa->route_table->hook_remove = ospf6_area_route_hook_remove;
oa->range_table = OSPF6_ROUTE_TABLE_CREATE (AREA, PREFIX_RANGES);
oa->range_table->scope = oa;
oa->summary_prefix = OSPF6_ROUTE_TABLE_CREATE (AREA, SUMMARY_PREFIXES);
oa->summary_prefix->scope = oa;
oa->summary_router = OSPF6_ROUTE_TABLE_CREATE (AREA, SUMMARY_ROUTERS);
oa->summary_router->scope = oa;
/* set default options */
OSPF6_OPT_SET (oa->options, OSPF6_OPT_V6);
OSPF6_OPT_SET (oa->options, OSPF6_OPT_E);
OSPF6_OPT_SET (oa->options, OSPF6_OPT_R);
oa->ospf6 = o;
listnode_add_sort (o->area_list, oa);
/* import athoer area's routes as inter-area routes */
for (route = ospf6_route_head (o->route_table); route;
route = ospf6_route_next (route))
ospf6_abr_originate_summary_to_area (route, oa);
return oa;
}
void
ospf6_abr_originate_summary (struct ospf6_route *route)
{
struct listnode *node, *nnode;
struct ospf6_area *oa;
struct ospf6_route *range = NULL;
if (route->type == OSPF6_DEST_TYPE_NETWORK)
{
oa = ospf6_area_lookup (route->path.area_id, ospf6);
range = ospf6_route_lookup_bestmatch (&route->prefix, oa->range_table);
if (range)
ospf6_abr_range_update (range);
}
for (ALL_LIST_ELEMENTS (ospf6->area_list, node, nnode, oa))
ospf6_abr_originate_summary_to_area (route, oa);
}
void
ospf6_abr_originate_summary (struct ospf6_route *route)
{
listnode node;
struct ospf6_area *oa;
struct ospf6_route *range = NULL;
if (route->type == OSPF6_DEST_TYPE_NETWORK)
{
oa = ospf6_area_lookup (route->path.area_id, ospf6);
range = ospf6_route_lookup_bestmatch (&route->prefix, oa->range_table);
if (range)
ospf6_abr_range_update (range);
}
for (node = listhead (ospf6->area_list); node; nextnode (node))
{
oa = (struct ospf6_area *) getdata (node);
ospf6_abr_originate_summary_to_area (route, oa);
}
}
