feat(openthread): migrate iperf to use iperf-cmd component

examples/openthread/ot_br/main/esp_ot_br.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: CC0-1.0
  *
@@ -97,6 +97,7 @@ void app_main(void)
 
 #if CONFIG_OPENTHREAD_CLI
     ot_console_start();
+    ot_register_external_commands();
 #endif
 
 #if CONFIG_ESP_COEX_EXTERNAL_COEXIST_ENABLE

examples/openthread/ot_cli/main/esp_ot_cli.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: CC0-1.0
  *
@@ -58,6 +58,7 @@ void app_main(void)
 
 #if CONFIG_OPENTHREAD_CLI
     ot_console_start();
+    ot_register_external_commands();
 #endif
 
     static esp_openthread_config_t config = {

examples/openthread/ot_common_components/ot_examples_common/CMakeLists.txt

@@ -15,5 +15,5 @@ endif()
 idf_component_register(
     SRCS "${srcs}"
     INCLUDE_DIRS "include"
-    PRIV_REQUIRES console cmd_system esp_coex openthread
+    PRIV_REQUIRES console cmd_system esp_coex openthread iperf-cmd iperf
 )

examples/openthread/ot_common_components/ot_examples_common/Kconfig.projbuild

@@ -9,6 +9,16 @@ menu "Config for OpenThread Examples"
             If enabled, the Openthread Device will create or connect to Thread network with pre-configured
             network parameters automatically. Otherwise, user need to configure Thread via CLI command manually.
 
+    menu "External Console Commands"
+        config OPENTHREAD_IPERF_CMD_ENABLE
+            bool "Enable iperf command"
+            depends on OPENTHREAD_FTD || OPENTHREAD_MTD
+            default y
+            help
+                If enabled, iperf will be registered and available as a console command.
+                This allows network performance testing using iperf over the Thread network.
+    endmenu # External Console Commands
+
     menu "External coexist wire type and pin config"
         depends on ESP_COEX_EXTERNAL_COEXIST_ENABLE
 

examples/openthread/ot_common_components/ot_examples_common/idf_component.yml

@@ -1,4 +1,5 @@
 ## IDF Component Manager Manifest File
 dependencies:
+  espressif/iperf-cmd: "^1.0.0"
   cmd_system:
     path: ${IDF_PATH}/examples/system/console/advanced/components/cmd_system

examples/openthread/ot_common_components/ot_examples_common/include/ot_examples_common.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2025-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: CC0-1.0
  *
@@ -61,3 +61,9 @@ void ot_console_start(void);
  *
  */
 void ot_network_auto_start(void);
+
+/**
+ * @brief   Register external system commands (e.g., iperf).
+ *
+ */
+void ot_register_external_commands(void);

examples/openthread/ot_common_components/ot_examples_common/ot_console.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2025-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: CC0-1.0
  *
@@ -18,6 +18,10 @@
 #include "esp_console.h"
 #include "cmd_system.h"
 
+#if CONFIG_OPENTHREAD_IPERF_CMD_ENABLE
+#include "iperf_cmd.h"
+#endif
+
 void ot_console_start(void)
 {
     esp_console_repl_t *repl = NULL;
@@ -43,6 +47,12 @@ void ot_console_start(void)
 #error Unsupported console type
 #endif
     ESP_ERROR_CHECK(esp_console_start_repl(repl));
-
-    register_system();
+}
+
+void ot_register_external_commands(void)
+{
+    register_system();
+#if CONFIG_OPENTHREAD_IPERF_CMD_ENABLE
+    iperf_cmd_register_iperf();
+#endif
 }

examples/openthread/ot_trel/main/esp_ot_trel.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2024-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: CC0-1.0
  *
@@ -44,7 +44,6 @@
 #include "esp_ot_cli_extension.h"
 #endif // CONFIG_OPENTHREAD_CLI_ESP_EXTENSION
 
-
 #define TAG "ot_esp_trel"
 
 void app_main(void)
@@ -68,6 +67,7 @@ void app_main(void)
 
 #if CONFIG_OPENTHREAD_CLI
     ot_console_start();
+    ot_register_external_commands();
 #endif
 
     static esp_openthread_config_t config = {