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authorRenato Westphal <renato@opensourcerouting.org>2021-08-19 17:14:47 +0200
committerRenato Westphal <renato@opensourcerouting.org>2021-08-24 16:53:36 +0200
commit0c293b92eeefeb37203fb0e8565c77a77fc189b0 (patch)
treefb9c93676e5e961914aa456d1031cbc9780539cf
parentospf6d: fix logging of border router routes (diff)
downloadfrr-0c293b92eeefeb37203fb0e8565c77a77fc189b0.tar.xz
frr-0c293b92eeefeb37203fb0e8565c77a77fc189b0.zip
ospf6d: do not allow an area to be stub and NSSA at the same time
That should not be allowed under any circumstance. Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
Diffstat (limited to '')
-rw-r--r--ospf6d/ospf6_area.c7
-rw-r--r--ospf6d/ospf6_area.h1
-rw-r--r--ospf6d/ospf6_nssa.c5
-rw-r--r--ospf6d/ospf6_nssa.h1
4 files changed, 12 insertions, 2 deletions
diff --git a/ospf6d/ospf6_area.c b/ospf6d/ospf6_area.c
index 0f1f06122..098132b1f 100644
--- a/ospf6d/ospf6_area.c
+++ b/ospf6d/ospf6_area.c
@@ -189,6 +189,9 @@ static void ospf6_area_stub_update(struct ospf6_area *area)
static int ospf6_area_stub_set(struct ospf6 *ospf6, struct ospf6_area *area)
{
if (!IS_AREA_STUB(area)) {
+ /* Disable NSSA first. */
+ ospf6_area_nssa_unset(ospf6, area);
+
SET_FLAG(area->flag, OSPF6_AREA_STUB);
ospf6_area_stub_update(area);
}
@@ -196,7 +199,7 @@ static int ospf6_area_stub_set(struct ospf6 *ospf6, struct ospf6_area *area)
return 1;
}
-static void ospf6_area_stub_unset(struct ospf6 *ospf6, struct ospf6_area *area)
+void ospf6_area_stub_unset(struct ospf6 *ospf6, struct ospf6_area *area)
{
if (IS_AREA_STUB(area)) {
UNSET_FLAG(area->flag, OSPF6_AREA_STUB);
@@ -1266,6 +1269,8 @@ DEFUN(ospf6_area_nssa, ospf6_area_nssa_cmd,
return CMD_WARNING_CONFIG_FAILED;
}
+ ospf6_area_no_summary_unset(ospf6, area);
+
return CMD_SUCCESS;
}
diff --git a/ospf6d/ospf6_area.h b/ospf6d/ospf6_area.h
index dd4d01901..b2a275d74 100644
--- a/ospf6d/ospf6_area.h
+++ b/ospf6d/ospf6_area.h
@@ -154,6 +154,7 @@ extern void ospf6_area_delete(struct ospf6_area *);
extern struct ospf6_area *ospf6_area_lookup(uint32_t, struct ospf6 *);
extern struct ospf6_area *ospf6_area_lookup_by_area_id(uint32_t area_id);
+extern void ospf6_area_stub_unset(struct ospf6 *ospf6, struct ospf6_area *area);
extern void ospf6_area_enable(struct ospf6_area *);
extern void ospf6_area_disable(struct ospf6_area *);
diff --git a/ospf6d/ospf6_nssa.c b/ospf6d/ospf6_nssa.c
index cda92054a..10b7d2d9f 100644
--- a/ospf6d/ospf6_nssa.c
+++ b/ospf6d/ospf6_nssa.c
@@ -1198,7 +1198,7 @@ static void ospf6_check_and_originate_type7_lsa(struct ospf6_area *area)
}
-static void ospf6_area_nssa_update(struct ospf6_area *area)
+void ospf6_area_nssa_update(struct ospf6_area *area)
{
if (IS_AREA_NSSA(area)) {
OSPF6_OPT_CLEAR(area->options, OSPF6_OPT_E);
@@ -1246,6 +1246,9 @@ int ospf6_area_nssa_set(struct ospf6 *ospf6, struct ospf6_area *area)
{
if (!IS_AREA_NSSA(area)) {
+ /* Disable stub first. */
+ ospf6_area_stub_unset(ospf6, area);
+
SET_FLAG(area->flag, OSPF6_AREA_NSSA);
if (IS_OSPF6_DEBUG_NSSA)
zlog_debug("area %s nssa set", area->name);
diff --git a/ospf6d/ospf6_nssa.h b/ospf6d/ospf6_nssa.h
index a171d76d4..454bdd7fe 100644
--- a/ospf6d/ospf6_nssa.h
+++ b/ospf6d/ospf6_nssa.h
@@ -61,6 +61,7 @@ extern struct ospf6_lsa *ospf6_translated_nssa_originate(struct ospf6_area *,
extern void ospf6_asbr_nssa_redist_task(struct ospf6 *ospf6);
extern void ospf6_schedule_abr_task(struct ospf6 *ospf6);
+extern void ospf6_area_nssa_update(struct ospf6_area *area);
void ospf6_asbr_prefix_readvertise(struct ospf6 *ospf6);
extern void ospf6_nssa_lsa_originate(struct ospf6_route *route,
struct ospf6_area *area);