fix(esp_wifi): Support for esp_wifi_remote

components/esp_wifi/CMakeLists.txt

@@ -84,9 +84,8 @@ else()
         idf_component_get_property(esp_wifi_remote esp_wifi_remote COMPONENT_LIB)
         target_link_libraries(${COMPONENT_LIB} PUBLIC ${esp_wifi_remote})
     endif()
-
-    if(CONFIG_SPIRAM)
-        idf_component_optional_requires(PRIVATE esp_psram)
-    endif()
-
+endif()
+
+if(CONFIG_SPIRAM)
+    idf_component_optional_requires(PRIVATE esp_psram)
 endif()

components/esp_wifi/include/esp_private/esp_wifi_he_private.h

@@ -6,6 +6,9 @@
 
 #pragma once
 
+#include "sdkconfig.h"
+#if CONFIG_SOC_WIFI_HE_SUPPORT
+
 #include <stdint.h>
 #include <stdbool.h>
 #include "esp_err.h"
@@ -201,3 +204,5 @@ esp_err_t esp_wifi_sta_set_bss_color_collision_detection(int threshold, int dura
 #ifdef __cplusplus
 }
 #endif
+
+#endif // CONFIG_SOC_WIFI_HE_SUPPORT

components/esp_wifi/include/esp_wifi.h

@@ -183,6 +183,7 @@ typedef struct {
 #endif
 
 extern const wpa_crypto_funcs_t g_wifi_default_wpa_crypto_funcs;
+extern wifi_osi_funcs_t g_wifi_osi_funcs;
 
 #define WIFI_INIT_CONFIG_MAGIC    0x1F2F3F4F
 

components/esp_wifi/include/esp_wifi_ap_get_sta_list.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -13,6 +13,19 @@
 extern "C" {
 #endif
 
+
+#ifndef ESP_WIFI_MAX_CONN_NUM
+// Number of maximum wifi connection may be undefined if we have no native wifi support on this target
+//   and at the same time there's no native interface injected by the wifi_remote component.
+// In this case, we just let the header compilable, since no wifi API could be used (let's make a sanity check)
+#if !CONFIG_SOC_WIFI_SUPPORTED && !CONFIG_ESP_WIFI_REMOTE_ENABLED
+#define ESP_WIFI_MAX_CONN_NUM  (15)
+typedef struct wifi_sta_list_t wifi_sta_list_t;
+#else
+#error WiFi header mismatch! Please make sure you use the correct version of WiFi API
+#endif
+#endif // ESP_WIFI_MAX_CONN_NUM
+
 /**
  * @brief station list structure
  */

components/esp_wifi/include/esp_wifi_types_generic.h

@@ -8,6 +8,9 @@
 #ifndef __ESP_WIFI_TYPES_H__
 #define __ESP_WIFI_TYPES_H__
 
+#include <stdbool.h>
+#include <stddef.h>
+#include "sdkconfig.h"
 #include "esp_event_base.h"
 #include "esp_interface.h"
 
@@ -430,6 +433,15 @@ typedef struct {
     uint8_t payload[0];      /**< Payload. Length is equal to value in 'length' field, minus 4. */
 } vendor_ie_data_t;
 
+/**
+ * @brief Forward declare the Rx ctrl packet struct, as it is TARGET dependent and will be defined
+ * in the "native" wifi types (types tightly coupled to wifi-lib implementation)
+ */
+typedef struct wifi_pkt_rx_ctrl_t wifi_pkt_rx_ctrl_t;
+
+/**
+ * @brief Rx Control Packet alias used in wifi-lib implementation
+ */
 typedef struct wifi_pkt_rx_ctrl_t esp_wifi_rxctrl_t;
 
 /**

components/esp_wifi/include/local/esp_wifi_native.h

@@ -7,10 +7,14 @@
 #pragma once
 
 #include "sdkconfig.h"
+#include "esp_wifi_types_generic.h"
 #if CONFIG_SOC_WIFI_HE_SUPPORT
 #include "esp_wifi_he_types.h"
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #if CONFIG_IDF_TARGET_ESP32C2
 #define ESP_WIFI_MAX_CONN_NUM  (4)        /**< max number of stations which can connect to ESP32C2 soft-AP */
@@ -78,20 +82,11 @@ typedef struct wifi_pkt_rx_ctrl_t{
     unsigned :12;                 /**< reserved */
     unsigned rx_state:8;          /**< state of the packet. 0: no error; others: error numbers which are not public */
 } wifi_pkt_rx_ctrl_t;
-#endif
-
-/** @brief Payload passed to 'buf' parameter of promiscuous mode RX callback.
- */
-typedef struct {
-    wifi_pkt_rx_ctrl_t rx_ctrl; /**< metadata header */
-    uint8_t payload[0];       /**< Data or management payload. Length of payload is described by rx_ctrl.sig_len. Type of content determined by packet type argument of callback. */
-} wifi_promiscuous_pkt_t;
 
 /**
   * @brief Channel state information(CSI) configuration type
   *
   */
-#if !CONFIG_SOC_WIFI_HE_SUPPORT
 typedef struct wifi_csi_config_t{
     bool lltf_en;           /**< enable to receive legacy long training field(lltf) data. Default enabled */
     bool htltf_en;          /**< enable to receive HT long training field(htltf) data. Default enabled */
@@ -106,6 +101,13 @@ typedef struct wifi_csi_config_t{
 
 typedef wifi_pkt_rx_ctrl_t esp_wifi_rxctrl_t;
 
+/** @brief Payload passed to 'buf' parameter of promiscuous mode RX callback.
+ */
+typedef struct {
+    wifi_pkt_rx_ctrl_t rx_ctrl; /**< metadata header */
+    uint8_t payload[0];       /**< Data or management payload. Length of payload is described by rx_ctrl.sig_len. Type of content determined by packet type argument of callback. */
+} wifi_promiscuous_pkt_t;
+
 /**
   * @brief CSI data type
   *
@@ -121,3 +123,7 @@ typedef struct wifi_csi_info_t {
     uint8_t *payload;          /**< payload of the wifi packet */
     uint16_t payload_len;      /**< payload len of the wifi packet */
 } wifi_csi_info_t;
+
+#ifdef __cplusplus
+}
+#endif

components/wpa_supplicant/CMakeLists.txt

@@ -6,6 +6,13 @@ else()
     set(linker_fragments linker.lf)
 endif()
 
+if(NOT CONFIG_ESP_WIFI_ENABLED AND NOT CMAKE_BUILD_EARLY_EXPANSION)
+    # This component provides only "esp_supplicant" headers if WiFi not enabled
+    # (implementation supported optionally in a managed component esp_wifi_remote)
+    idf_component_register(INCLUDE_DIRS esp_supplicant/include)
+    return()
+endif()
+
 set(srcs "port/os_xtensa.c"
     "port/eloop.c"
     "src/ap/ap_config.c"

examples/protocols/.build-test-rules.yml

@@ -114,9 +114,9 @@ examples/protocols/https_mbedtls:
 examples/protocols/https_request:
   <<: *default_dependencies
   disable:
-    - if: IDF_TARGET == "esp32p4"
+    - if: IDF_TARGET in ["esp32h2", "esp32p4"]
       temporary: true
-      reason: not supported on p4 # TODO: IDF-8076
+      reason: not supported on p4 and h2 # TODO: IDF-8076 (P4), IDF-9076 (H2)
   disable_test:
     - if: IDF_TARGET != "esp32"
       reason: only test on esp32

examples/protocols/https_request/README.md

@@ -1,5 +1,5 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-S2 | ESP32-S3 |
-| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- |
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-S2 | ESP32-S3 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- |
 
 # HTTPS Request Example
 

examples/system/console/advanced/components/cmd_wifi/cmd_wifi.c

@@ -24,6 +24,11 @@
 #include "esp_event.h"
 #include "cmd_wifi.h"
 
+/**
+ * This component will be supported using esp_wifi_remote
+ */
+#if CONFIG_SOC_WIFI_SUPPORTED
+
 #define JOIN_TIMEOUT_MS (10000)
 
 static EventGroupHandle_t wifi_event_group;
@@ -134,3 +139,5 @@ void register_wifi(void)
 
     ESP_ERROR_CHECK( esp_console_cmd_register(&join_cmd) );
 }
+
+#endif // CONFIG_SOC_WIFI_SUPPORTED

examples/wifi/iperf/main/cmd_wifi.c

@@ -23,7 +23,6 @@
 #include "iperf.h"
 #include "esp_coexist.h"
 #include "wifi_cmd.h"
-#include "esp_wifi_he.h"
 
 typedef struct {
     struct arg_str *ip;