+static int
+addr_cmp(const void *k1, const void *k2, void *ptr)
+{
+ return memcmp(k1, k2, sizeof(struct device_addr) -
+ offsetof(struct device_addr, mask));
+}
+
+static int
+route_cmp(const void *k1, const void *k2, void *ptr)
+{
+ return memcmp(k1, k2, sizeof(struct device_route) -
+ offsetof(struct device_route, mask));
+}
+
+static void
+interface_update_proto_addr(struct vlist_tree *tree,
+ struct vlist_node *node_new,
+ struct vlist_node *node_old)
+{
+ struct interface *iface;
+ struct device *dev;
+ struct device_addr *addr;
+
+ iface = container_of(tree, struct interface, proto_addr);
+ dev = iface->l3_dev->dev;
+
+ if (node_old) {
+ addr = container_of(node_old, struct device_addr, node);
+ if (!(addr->flags & DEVADDR_EXTERNAL))
+ system_del_address(dev, addr);
+ free(addr);
+ }
+
+ if (node_new) {
+ addr = container_of(node_new, struct device_addr, node);
+ if (!(addr->flags & DEVADDR_EXTERNAL))
+ system_add_address(dev, addr);
+ }
+}
+
+static void
+interface_update_proto_route(struct vlist_tree *tree,
+ struct vlist_node *node_new,
+ struct vlist_node *node_old)