fix(esp_wifi): Backport dpp and other fixes

1) Fix crash while connecting to dpp akm
2) Fix phy ref cnt for power management for offchannel_tx
3) Introduced a variable to indicate dpp ap for scan results
4) Introduced WIFI_AUTH_UNKNOWN for ap with misconfigured security parameter

components/esp_wifi/include/esp_wifi_types_generic.h

@@ -43,9 +43,11 @@ typedef enum {
 
 #define WIFI_OFFCHAN_TX_REQ      1    /**< Request off-channel transmission */
 #define WIFI_OFFCHAN_TX_CANCEL   0    /**< Cancel off-channel transmission */
+#define WIFI_OFFCHAN_TX_CONNECTING_REQ  2    /**< Off-channel Tx request during connecting state; not recommended for use by public APIs */
 
 #define WIFI_ROC_REQ     1    /**< Request remain on channel */
 #define WIFI_ROC_CANCEL  0    /**< Cancel remain on channel */
+#define WIFI_ROC_CONNECTING_REQ  2    /**< Remain-on-channel request during connecting state; not recommended for use by public APIs */
 
 /**
   * @brief Wi-Fi country policy
@@ -71,6 +73,9 @@ typedef struct {
   * Strength of authmodes
   * Personal Networks   : OPEN < WEP < WPA_PSK < OWE < WPA2_PSK = WPA_WPA2_PSK < WAPI_PSK < WPA3_PSK = WPA2_WPA3_PSK = DPP
   * Enterprise Networks : WIFI_AUTH_WPA_ENTERPRISE < WIFI_AUTH_WPA2_ENTERPRISE < WIFI_AUTH_WPA3_ENT_192
+  *
+  * @note WIFI_AUTH_UNKNOWN indicates an Access Point with invalid or unparseable security configuration
+  *       detected during scan parsing.
   */
 typedef enum {
     WIFI_AUTH_OPEN = 0,         /**< Authenticate mode : open */
@@ -91,6 +96,7 @@ typedef enum {
     WIFI_AUTH_DUMMY1,
     WIFI_AUTH_DUMMY2,
     WIFI_AUTH_WPA_ENTERPRISE,   /**< Authenticate mode : WPA-Enterprise security */
+    WIFI_AUTH_UNKNOWN,          /**< Scan parsed authmode: Unknown or invalid security configuration parsed during scan */
     WIFI_AUTH_MAX
 } wifi_auth_mode_t;
 
@@ -303,7 +309,8 @@ typedef struct {
     uint32_t wps: 1;                      /**< Bit: 7 flag to identify if WPS is supported or not */
     uint32_t ftm_responder: 1;            /**< Bit: 8 flag to identify if FTM is supported in responder mode */
     uint32_t ftm_initiator: 1;            /**< Bit: 9 flag to identify if FTM is supported in initiator mode */
-    uint32_t reserved: 22;                /**< Bit: 10..31 reserved */
+    uint32_t akm_dpp: 1;                  /**< Bit: 10 flag set when AP supports mixed DPP AKM (e.g., SAE + DPP or WPA2-PSK + DPP) or when AP only supports DPP AKM */
+    uint32_t reserved: 21;                /**< Bit: 11..31 reserved */
     wifi_country_t country;               /**< Country information of AP */
     wifi_he_ap_info_t he_ap;              /**< HE AP info */
     uint8_t bandwidth;                    /**< For AP 20 MHz this value is set to 1. For AP 40 MHz this value is set to 2.