openthread: add iperf example for ot-network test

examples/openthread/ot_cli/main/esp_ot_cli_extension.c

@@ -1,19 +1,12 @@
-// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+*/
 
 #include "esp_openthread.h"
 #include "esp_ot_cli_extension.h"
+#include "esp_ot_iperf.h"
 #include "esp_ot_tcp_socket.h"
 #include "esp_ot_udp_socket.h"
 #include "freertos/FreeRTOS.h"
@@ -26,6 +19,7 @@ static const otCliCommand kCommands[] = {
     {"tcpsockclient", esp_ot_process_tcp_client},
     {"udpsockserver", esp_ot_process_udp_server},
     {"udpsockclient", esp_ot_process_udp_client},
+    {"iperf", esp_ot_process_iperf}
 };
 
 void esp_cli_custom_command_init()