Merge svn revisions 924 and 925 from Zebra CVS. Also remove useless
ospf6_lsdb prototype declaration from ospf6_lsa.h. Report sent to Yasuhiro
Ohara as well.
diff --git a/ospf6d/ospf6_abr.c b/ospf6d/ospf6_abr.c
index 397cef7..e9dc238 100644
--- a/ospf6d/ospf6_abr.c
+++ b/ospf6d/ospf6_abr.c
@@ -28,6 +28,7 @@
#include "vty.h"
#include "linklist.h"
#include "command.h"
+#include "thread.h"
#include "ospf6_proto.h"
#include "ospf6_route.h"
@@ -41,8 +42,9 @@
#include "ospf6_interface.h"
#include "ospf6_neighbor.h"
-#include "ospf6_abr.h"
#include "ospf6_flood.h"
+#include "ospf6_intra.h"
+#include "ospf6_abr.h"
#include "ospf6d.h"
unsigned char conf_debug_ospf6_abr;
@@ -66,6 +68,80 @@
return 0;
}
+void
+ospf6_abr_enable_area (struct ospf6_area *area)
+{
+ struct ospf6_area *oa;
+ struct ospf6_route *ro;
+ listnode node;
+
+ for (node = listhead (area->ospf6->area_list); node; nextnode (node))
+ {
+ oa = OSPF6_AREA (getdata (node));
+
+ /* 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))
+ 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);
+}
+
+void
+ospf6_abr_disable_area (struct ospf6_area *area)
+{
+ struct ospf6_area *oa;
+ struct ospf6_route *ro;
+ struct ospf6_lsa *old;
+ listnode node;
+
+ /* Withdraw all summary prefixes previously originated */
+ for (ro = ospf6_route_head (area->summary_prefix); ro;
+ ro = ospf6_route_next (ro))
+ {
+ old = ospf6_lsdb_lookup (ro->path.origin.type, ro->path.origin.id,
+ area->ospf6->router_id, area->lsdb);
+ if (old)
+ ospf6_lsa_purge (old);
+ ospf6_route_remove (ro, area->summary_prefix);
+ }
+
+ /* Withdraw all summary router-routes previously originated */
+ for (ro = ospf6_route_head (area->summary_router); ro;
+ ro = ospf6_route_next (ro))
+ {
+ old = ospf6_lsdb_lookup (ro->path.origin.type, ro->path.origin.id,
+ area->ospf6->router_id, area->lsdb);
+ if (old)
+ ospf6_lsa_purge (old);
+ ospf6_route_remove (ro, area->summary_router);
+ }
+
+ /* Schedule Router-LSA for each area (ABR status may change) */
+ for (node = listhead (area->ospf6->area_list); node; nextnode (node))
+ {
+ oa = OSPF6_AREA (getdata (node));
+
+ /* update B bit for each area */
+ OSPF6_ROUTER_LSA_SCHEDULE (oa);
+ }
+}
+
/* RFC 2328 12.4.3. Summary-LSAs */
void
ospf6_abr_originate_summary_to_area (struct ospf6_route *route,
@@ -88,8 +164,7 @@
char buf[64];
if (route->type == OSPF6_DEST_TYPE_ROUTER)
{
- inet_ntop (AF_INET,
- &(ospf6_linkstate_prefix_adv_router (&route->prefix)),
+ inet_ntop (AF_INET, &(ADV_ROUTER_IN_PREFIX (&route->prefix)),
buf, sizeof (buf));
zlog_info ("Originating summary in area %s for ASBR %s",
area->name, buf);
@@ -314,8 +389,7 @@
router_lsa->options[1] = route->path.options[1];
router_lsa->options[2] = route->path.options[2];
OSPF6_ABR_SUMMARY_METRIC_SET (router_lsa, route->path.cost);
- router_lsa->router_id =
- ospf6_linkstate_prefix_adv_router (&route->prefix);
+ router_lsa->router_id = ADV_ROUTER_IN_PREFIX (&route->prefix);
type = htons (OSPF6_LSTYPE_INTER_ROUTER);
}
else
@@ -426,6 +500,9 @@
u_int32_t cost = 0;
int i;
+ if (IS_OSPF6_DEBUG_ABR)
+ zlog_info ("Examin %s in area %s", lsa->name, oa->name);
+
if (lsa->header->type == htons (OSPF6_LSTYPE_INTER_PREFIX))
{
struct ospf6_inter_prefix_lsa *prefix_lsa;
@@ -467,8 +544,18 @@
}
/* (1) if cost == LSInfinity or if the LSA is MaxAge */
- if (cost == LS_INFINITY || OSPF6_LSA_IS_MAXAGE (lsa))
+ if (cost == LS_INFINITY)
{
+ if (IS_OSPF6_DEBUG_ABR)
+ zlog_info ("cost is LS_INFINITY, ignore");
+ if (old)
+ ospf6_route_remove (old, oa->ospf6->route_table);
+ return;
+ }
+ if (OSPF6_LSA_IS_MAXAGE (lsa))
+ {
+ if (IS_OSPF6_DEBUG_ABR)
+ zlog_info ("LSA is MaxAge, ignore");
if (old)
ospf6_route_remove (old, oa->ospf6->route_table);
return;
@@ -477,6 +564,8 @@
/* (2) if the LSA is self-originated, ignore */
if (lsa->header->adv_router == oa->ospf6->router_id)
{
+ if (IS_OSPF6_DEBUG_ABR)
+ zlog_info ("LSA is self-originated, ignore");
if (old)
ospf6_route_remove (old, oa->ospf6->route_table);
return;
@@ -488,6 +577,8 @@
range = ospf6_route_lookup (&prefix, oa->range_table);
if (range)
{
+ if (IS_OSPF6_DEBUG_ABR)
+ zlog_info ("Prefix is equal to address range, ignore");
if (old)
ospf6_route_remove (old, oa->ospf6->route_table);
return;
@@ -500,6 +591,8 @@
if (abr_entry == NULL || abr_entry->path.area_id != oa->area_id ||
! CHECK_FLAG (abr_entry->path.router_bits, OSPF6_ROUTER_BIT_B))
{
+ if (IS_OSPF6_DEBUG_ABR)
+ zlog_info ("ABR router entry does not exist, ignore");
if (old)
ospf6_route_remove (old, oa->ospf6->route_table);
return;
@@ -528,6 +621,8 @@
for (i = 0; i < OSPF6_MULTI_PATH_LIMIT; i++)
route->nexthop[i] = abr_entry->nexthop[i];
+ if (IS_OSPF6_DEBUG_ABR)
+ zlog_info ("Install route");
ospf6_route_add (route, table);
}