feat(esp_wifi): Add FTM support for ESP32C5 (ECO2)

Closes #15909

Author: akshat

components/esp_wifi/lib

@@ -1693,7 +1693,7 @@ config SOC_WIFI_HW_TSF
 
 config SOC_WIFI_FTM_SUPPORT
     bool
-    default n
+    default y
 
 config SOC_WIFI_GCMP_SUPPORT
     bool

components/soc/esp32c5/include/soc/Kconfig.soc_caps.in

@@ -667,7 +667,7 @@
 
 /*------------------------------------ WI-FI CAPS ------------------------------------*/
 #define SOC_WIFI_HW_TSF                     (1)    /*!< Support hardware TSF */
-#define SOC_WIFI_FTM_SUPPORT                (0)    /*!< Support FTM */ // TODO: [ESP32C5] WIFI-6426
+#define SOC_WIFI_FTM_SUPPORT                (1)    /*!< Support FTM */
 #define SOC_WIFI_GCMP_SUPPORT               (1)    /*!< Support GCMP(GCMP128 and GCMP256) */
 #define SOC_WIFI_WAPI_SUPPORT               (1)    /*!< Support WAPI */
 #define SOC_WIFI_CSI_SUPPORT                (1)    /*!< Support CSI */

components/soc/esp32c5/include/soc/soc_caps.h

@@ -1,5 +1,5 @@
-| Supported Targets | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-S2 | ESP32-S3 |
-| ----------------- | -------- | -------- | -------- | -------- | -------- |
+| Supported Targets | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-S2 | ESP32-S3 |
+| ----------------- | -------- | -------- | -------- | -------- | -------- | -------- |
 
 # FTM Example
 

examples/wifi/ftm/README.md

@@ -418,10 +418,12 @@ static bool wifi_cmd_ap_set(const char* ssid, const char* pass, uint8_t channel,
         }
         strlcpy((char*) g_ap_config.ap.password, pass, MAX_PASSPHRASE_LEN);
     }
+#if !CONFIG_SOC_WIFI_SUPPORT_5G
     if (!(channel >=1 && channel <= 14)) {
         ESP_LOGE(TAG_AP, "Channel cannot be %d!", channel);
         return false;
     }
+#endif
     if (bw != 20 && bw != 40) {
         ESP_LOGE(TAG_AP, "Cannot set %d MHz bandwidth!", bw);
         return false;
@@ -430,16 +432,41 @@ static bool wifi_cmd_ap_set(const char* ssid, const char* pass, uint8_t channel,
     if (ESP_OK != wifi_add_mode(WIFI_MODE_AP)) {
         return false;
     }
+    wifi_bandwidths_t bws = {0};
+    wifi_protocols_t proto = {0};
+    if (channel <= 14) {
+        if (bw == 40) {
+            proto.ghz_2g = WIFI_PROTOCOL_11B | WIFI_PROTOCOL_11G | WIFI_PROTOCOL_11N;
+            proto.ghz_5g = 0;
+            esp_wifi_set_protocols(ESP_IF_WIFI_AP, &proto);
+            bws.ghz_2g = WIFI_BW_HT40;
+            esp_wifi_set_bandwidths(ESP_IF_WIFI_AP, &bws);
+        } else {
+            bws.ghz_2g = WIFI_BW_HT20;
+            esp_wifi_set_bandwidths(ESP_IF_WIFI_AP, &bws);
+        }
+    } else {
+#if CONFIG_SOC_WIFI_SUPPORT_5G
+        if (bw == 40) {
+            proto.ghz_2g = 0;
+            proto.ghz_5g = WIFI_PROTOCOL_11N | WIFI_PROTOCOL_11A;
+            esp_wifi_set_protocols(ESP_IF_WIFI_AP, &proto);
+            bws.ghz_5g=WIFI_BW_HT40;
+            esp_wifi_set_bandwidths(ESP_IF_WIFI_AP, &bws);
+        } else {
+            proto.ghz_2g = 0;
+            proto.ghz_5g = WIFI_PROTOCOL_11AC | WIFI_PROTOCOL_11A | WIFI_PROTOCOL_11AX;
+            esp_wifi_set_protocols(ESP_IF_WIFI_AP, &proto);
+            bws.ghz_5g = WIFI_BW_HT20;
+            esp_wifi_set_bandwidths(ESP_IF_WIFI_AP, &bws);
+        }
+#endif
+    }
     if (strlen(pass) == 0) {
         g_ap_config.ap.authmode = WIFI_AUTH_OPEN;
     }
     g_ap_config.ap.channel = channel;
     ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_AP, &g_ap_config));
-    if (bw == 40) {
-        esp_wifi_set_bandwidth(ESP_IF_WIFI_AP, WIFI_BW_HT40);
-    } else {
-        esp_wifi_set_bandwidth(ESP_IF_WIFI_AP, WIFI_BW_HT20);
-    }
     ESP_LOGI(TAG_AP, "Starting SoftAP with FTM Responder support, SSID - %s, Password - %s, Primary Channel - %d, Bandwidth - %dMHz",
                         ap_args.ssid->sval[0], ap_args.password->sval[0], channel, bw);