esp_example: Enable MbedTLS for DPP enrollee by default

components/wpa_supplicant/CMakeLists.txt

@@ -5,7 +5,6 @@ set(srcs "port/os_xtensa.c"
     "src/ap/wpa_auth_ie.c"
     "src/common/sae.c"
     "src/common/wpa_common.c"
-    "src/common/dpp.c"
     "src/utils/bitfield.c"
     "src/crypto/aes-siv.c"
     "src/crypto/sha256-kdf.c"
@@ -59,8 +58,7 @@ set(esp_srcs "esp_supplicant/src/esp_wpa2.c"
     "esp_supplicant/src/esp_wpa_main.c"
     "esp_supplicant/src/esp_wpas_glue.c"
     "esp_supplicant/src/esp_wps.c"
-    "esp_supplicant/src/esp_wpa3.c"
-    "esp_supplicant/src/esp_dpp.c")
+    "esp_supplicant/src/esp_wpa3.c")
 if(CONFIG_ESP_WIFI_SOFTAP_SUPPORT)
     set(esp_srcs ${esp_srcs} "esp_supplicant/src/esp_hostap.c")
 endif()
@@ -162,13 +160,22 @@ if(CONFIG_WPA_11KV_SUPPORT)
 else()
     set(roaming_src "")
 endif()
+
 if(CONFIG_WPA_MBO_SUPPORT)
     set(mbo_src "src/common/mbo.c")
 else()
     set(mbo_src "")
 endif()
 
-idf_component_register(SRCS "${srcs}" ${esp_srcs} "${tls_src}" "${roaming_src}" "${crypto_src}" "${mbo_src}"
+if(CONFIG_WPA_DPP_SUPPORT)
+    set(dpp_src "src/common/dpp.c"
+    "esp_supplicant/src/esp_dpp.c")
+else()
+    set(dpp_src "")
+endif()
+
+idf_component_register(SRCS "${srcs}" ${esp_srcs} "${tls_src}" "${roaming_src}"
+                            "${crypto_src}" "${mbo_src}" "${dpp_src}"
                     INCLUDE_DIRS include port/include esp_supplicant/include
                     PRIV_INCLUDE_DIRS src src/utils esp_supplicant/src
                     PRIV_REQUIRES mbedtls esp_timer)
@@ -193,7 +200,6 @@ target_compile_definitions(${COMPONENT_LIB} PRIVATE
     CONFIG_ECC
     CONFIG_IEEE80211W
     CONFIG_SHA256
-    CONFIG_DPP
     CONFIG_WNM
     )
 
@@ -219,4 +225,7 @@ endif()
 if(CONFIG_WPA_MBO_SUPPORT)
     target_compile_definitions(${COMPONENT_LIB} PRIVATE CONFIG_MBO)
 endif()
+if(CONFIG_WPA_DPP_SUPPORT)
+    target_compile_definitions(${COMPONENT_LIB} PRIVATE CONFIG_DPP)
+endif()
 set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_INTERFACE_MULTIPLICITY 3)

components/wpa_supplicant/Kconfig

@@ -52,8 +52,8 @@ menu "Supplicant"
             rigorously. Disabling this add the workaorunds with various APs.
             Enabling this may cause inter operability issues with some APs.
 
-    menuconfig WPA_11KV_SUPPORT
-        bool "Enable 802.11k, 802.11v APIs handling in supplicant"
+    config WPA_11KV_SUPPORT
+        bool "Enable 802.11k, 802.11v APIs handling"
         default n
         help
             Select this option to enable 802.11k 802.11v APIs(RRM and BTM support).
@@ -68,7 +68,7 @@ menu "Supplicant"
             and on the radio environment. Current implementation adds beacon report,
             link measurement, neighbor report.
 
-    menuconfig WPA_SCAN_CACHE
+    config WPA_SCAN_CACHE
         bool "Keep scan results in cache"
         depends on WPA_11KV_SUPPORT
         default n
@@ -76,10 +76,19 @@ menu "Supplicant"
             Keep scan results in cache, if not enabled, those
             will be flushed immediately.
 
-    menuconfig WPA_MBO_SUPPORT
-        bool "Enable MBO support in supplicant"
-        depends on WPA_11KV_SUPPORT
+    config WPA_MBO_SUPPORT
+        bool "Enable MBO support"
         default n
+        select WPA_11KV_SUPPORT
+        select WPA_SCAN_CACHE
         help
             Select this option to enable WiFi Multiband operation certification support.
+
+    config WPA_DPP_SUPPORT
+        bool "Enable DPP support"
+        default n
+        select WPA_MBEDTLS_CRYPTO
+        help
+            Select this option to enable WiFi Easy Connect Support.
+
 endmenu

components/wpa_supplicant/esp_supplicant/include/esp_dpp.h

@@ -1,16 +1,8 @@
-// Copyright 2020 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: 2020-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #ifndef ESP_DPP_H
 #define ESP_DPP_H

components/wpa_supplicant/esp_supplicant/src/esp_dpp.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -12,6 +12,7 @@
 #include "esp_wifi.h"
 #include "common/ieee802_11_defs.h"
 
+#ifdef CONFIG_DPP
 static void *s_dpp_task_hdl = NULL;
 static void *s_dpp_evt_queue = NULL;
 static void *s_dpp_api_lock = NULL;
@@ -674,3 +675,4 @@ void esp_supp_dpp_deinit(void)
     dpp_global_deinit(s_dpp_ctx.dpp_global);
     esp_dpp_post_evt(SIG_DPP_DEL_TASK, 0);
 }
+#endif

examples/wifi/wifi_easy_connect/dpp-enrollee/sdkconfig.defaults

@@ -0,0 +1 @@
+CONFIG_WPA_DPP_SUPPORT=y