interface-ip: set prefix indicator flag when IPv6 prefix lifetime changes

[project/netifd.git] / interface-ip.c

diff --git a/interface-ip.c b/interface-ip.c
index ddca5d2..dd4e01c 100644 (file)
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -1047,6 +1047,10 @@ interface_update_prefix(struct vlist_tree *tree,
                list_for_each_entry(c, &prefix_new->assignments, head)
                        if ((iface = vlist_find(&interfaces, c->name, iface, node)))
                                interface_set_prefix_address(c, prefix_new, iface, true);
+
+               if (prefix_new->preferred_until != prefix_old->preferred_until ||
+                               prefix_new->valid_until != prefix_old->valid_until)
+                       ip->iface->updated |= IUF_PREFIX;
        } else if (node_new) {
                // Set null-route to avoid routing loops
                system_add_route(NULL, &route);