Merge pull request #16105 from FRRouting/mergify/bp/stable/9.1/pr-16098

ospf6d: OSPFv3 route change comparision fixed for ASBR-only change (backport #16098)

Author: donaldsharp

ospf6d/ospf6_abr.c

@@ -1350,9 +1350,10 @@ void ospf6_abr_examin_summary(struct ospf6_lsa *lsa, struct ospf6_area *oa)
 	 * does not match with the new entry then add the new route
 	 */
 	if (old_entry_updated == false) {
-		if ((old == NULL) || (old->type != route->type)
-		    || (old->path.type != route->path.type)
-		    || (old->path.cost != route->path.cost))
+		if ((old == NULL) || (old->type != route->type) ||
+		    (old->path.type != route->path.type) ||
+		    (old->path.cost != route->path.cost) ||
+		    (old->path.router_bits != route->path.router_bits))
 			add_route = true;
 	}
 

ospf6d/ospf6_route.h

@@ -287,6 +287,7 @@ extern const char *const ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX];
 	 prefix_same(&(ra)->prefix, &(rb)->prefix) &&                          \
 	 (ra)->path.type == (rb)->path.type &&                                 \
 	 (ra)->path.cost == (rb)->path.cost &&                                 \
+	 (ra)->path.router_bits == (rb)->path.router_bits &&                   \
 	 (ra)->path.u.cost_e2 == (rb)->path.u.cost_e2 &&                       \
 	 listcount(ra->paths) == listcount(rb->paths) &&                       \
 	 ospf6_route_cmp_nexthops(ra, rb))