apache · fdcavalcanti · Jan 16, 2025 · Jan 16, 2025 · Jan 20, 2025 · Jan 20, 2025
diff --git a/arch/xtensa/src/common/espressif/Kconfig b/arch/xtensa/src/common/espressif/Kconfig
@@ -513,7 +513,12 @@ config ESPRESSIF_WIRELESS
 	select ESP32S2_RNG if ARCH_CHIP_ESP32S2
 	select ESP32S2_RT_TIMER if ARCH_CHIP_ESP32S2
 	select ESP32S2_TIMER0 if ARCH_CHIP_ESP32S2
-	depends on ARCH_CHIP_ESP32S2
+	select ESP32S3_RNG if ARCH_CHIP_ESP32S3
+	select ESP32S3_RT_TIMER if ARCH_CHIP_ESP32S3
+	select ESP32S3_TIMER0 if ARCH_CHIP_ESP32S3
+	select ESP32_RNG if ARCH_CHIP_ESP32
+	select ESP32_RT_TIMER if ARCH_CHIP_ESP32
+	select ESP32_TIMER0 if ARCH_CHIP_ESP32
 	---help---
 		Enable Wireless support
 
@@ -524,6 +529,34 @@ config ESPRESSIF_WIFI
 	---help---
 		Enable Wi-Fi support
 
+config ESPRESSIF_BLE
+	bool "BLE"
+	depends on ARCH_CHIP_ESP32S3 || ARCH_CHIP_ESP32
+	default n
+	select ESPRESSIF_WIRELESS
+	select BLUETOOTH_TXCMD_PINNED_TO_CORE if SMP && ARCH_CHIP_ESP32
+	select BLUETOOTH_CNTRL_HOST_FLOW_DISABLE if ARCH_CHIP_ESP32
+	---help---
+		Enable BLE support.
+
+config ESP_COEX_SW_COEXIST_ENABLE
+	bool "Software WiFi/Bluetooth/IEEE 802.15.4 coexistence"
+	depends on (ESPRESSIF_WIFI && ESPRESSIF_BLE)
+	default y
+	---help---
+		If enabled, WiFi & Bluetooth coexistence is controlled by software rather than hardware.
+		Recommended for heavy traffic scenarios. Both coexistence configuration options are
+		automatically managed, no user intervention is required.
+		If only Bluetooth is used, it is recommended to disable this option to reduce binary file
+		size.
+
+menuconfig ESPRESSIF_WIFI_BT_COEXIST
+	bool "Wi-Fi and BT coexist"
+	default y if ESPRESSIF_WIFI && ESPRESSIF_BLE
+	default n
+	depends on ESPRESSIF_WIFI && ESPRESSIF_BLE
+	select ESPRESSIF_WIFI_STA_DISCONNECT_PM
+
 menu "Wi-Fi Configuration"
 	depends on ESPRESSIF_WIFI
 
@@ -691,4 +724,30 @@ config ESPRESSIF_WIFI_LISTEN_INTERVAL
 		For example, if beacon interval is 100 ms and listen interval is 3, the interval for station to listen
 		to beacon is 300 ms.
 
+config ESPRESSIF_WIFI_WLAN_BUFFER_OPTIMIZATION
+	bool "Enable optimization of WLAN driver buffer"
+	default n
+	depends on ARCH_CHIP_ESP32
+	---help---
+		Enable optimization of WLAN memory
+
 endmenu # ESPRESSIF_WIFI
+
+menu "BLE Configuration"
+	depends on ESPRESSIF_BLE
+
+config ESPRESSIF_BLE_TASK_STACK_SIZE
+	int "Controller task stack size"
+	default 4096
+
+config ESPRESSIF_BLE_TASK_PRIORITY
+	int "Controller task priority"
+	default 253
+
+config ESPRESSIF_BLE_INTERRUPT_SAVE_STATUS
+	int "Number of interrupt save status"
+	default 3
+	---help---
+		Number of interrupt save status variables to keep track. Increase it if any related bug is found.
+
+endmenu # BLE Configuration
diff --git a/arch/xtensa/src/common/espressif/Wireless.mk b/arch/xtensa/src/common/espressif/Wireless.mk
@@ -20,13 +20,35 @@
 #
 ############################################################################
 
+ifeq ($(CONFIG_ARCH_CHIP_ESP32),y)
+INCLUDES += $(INCDIR_PREFIX)$(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)bt$(DELIM)include$(DELIM)$(CHIP_SERIES)$(DELIM)include
+endif
+ifeq ($(CONFIG_ARCH_CHIP_ESP32S3),y)
+INCLUDES += $(INCDIR_PREFIX)$(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)bt$(DELIM)include$(DELIM)esp32c3$(DELIM)include
+endif
+INCLUDES += $(INCDIR_PREFIX)$(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)esp_coex$(DELIM)include
 INCLUDES += $(INCDIR_PREFIX)$(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)include
 INCLUDES += $(INCDIR_PREFIX)$(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)nuttx$(DELIM)$(CHIP_SERIES)$(DELIM)include
 INCLUDES += $(INCDIR_PREFIX)$(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)nuttx$(DELIM)include$(DELIM)esp_wifi
 
+ifeq ($(CONFIG_ARCH_CHIP_ESP32),y)
+EXTRA_LIBPATHS += -L $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)bt$(DELIM)controller$(DELIM)lib_esp32$(DELIM)$(CHIP_SERIES)
+endif
+ifeq ($(CONFIG_ARCH_CHIP_ESP32S3),y)
+EXTRA_LIBPATHS += -L $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)bt$(DELIM)controller$(DELIM)lib_esp32c3_family$(DELIM)$(CHIP_SERIES)
+endif
+EXTRA_LIBPATHS += -L $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)esp_coex$(DELIM)lib$(DELIM)$(CHIP_SERIES)
 EXTRA_LIBPATHS += -L $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)esp_phy$(DELIM)lib$(DELIM)$(CHIP_SERIES)
 EXTRA_LIBPATHS += -L $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)esp_wifi$(DELIM)lib$(DELIM)$(CHIP_SERIES)
 
+ifeq ($(CONFIG_ARCH_CHIP_ESP32),y)
+EXTRA_LIBS += -lrtc
+endif
+
+ifneq ($(CONFIG_ARCH_CHIP_ESP32S2),y)
+EXTRA_LIBS += -lcoexist
+endif
+
 EXTRA_LIBS += -lphy
 
 ifeq ($(CONFIG_ESPRESSIF_WIFI),y)

diff --git a/arch/xtensa/src/common/espressif/esp_wifi_utils.c b/arch/xtensa/src/common/espressif/esp_wifi_utils.c
@@ -34,9 +34,15 @@
 #include <nuttx/kmalloc.h>
 #include <nuttx/wireless/wireless.h>
 
+#ifdef CONFIG_ARCH_CHIP_ESP32
+#include "esp32_wifi_adapter.h"
+#endif
 #ifdef CONFIG_ARCH_CHIP_ESP32S2
 #include "esp32s2_wifi_adapter.h"
 #endif
+#ifdef CONFIG_ARCH_CHIP_ESP32S3
+#include "esp32s3_wifi_adapter.h"
+#endif
 
 #include "esp_wifi_utils.h"
 #include "esp_wireless.h"

diff --git a/arch/xtensa/src/common/espressif/esp_wireless.c b/arch/xtensa/src/common/espressif/esp_wireless.c
@@ -132,7 +132,7 @@ struct esp_wireless_priv_s
 static inline void phy_digital_regs_store(void);
 static inline void phy_digital_regs_load(void);
 static int esp_swi_irq(int irq, void *context, void *arg);
-#ifdef CONFIG_ESP32_WIFI
+# if defined(CONFIG_ARCH_CHIP_ESP32) && defined(CONFIG_ESPRESSIF_WIFI)
 static void esp_wifi_set_log_level(void);
 #endif
 
@@ -1516,8 +1516,7 @@ int32_t esp_wifi_init(const wifi_init_config_t *config)
   esp_wifi_set_sleep_wait_broadcast_data_time(wait_broadcast_data_time_us);
 #endif
 
-#if defined(CONFIG_ESP32S3_WIFI_BT_COEXIST) || \
-    defined(CONFIG_ESP32_WIFI_BT_COEXIST)
+#if defined(CONFIG_ESPRESSIF_WIFI_BT_COEXIST)
   ret = coex_init();
   if (ret)
     {

diff --git a/arch/xtensa/src/common/espressif/esp_wlan.c b/arch/xtensa/src/common/espressif/esp_wlan.c
@@ -178,7 +178,11 @@ struct wlan_priv_s
 
   /* Packet buffer cache */
 
+#ifdef CONFIG_ESPRESSIF_WIFI_WLAN_BUFFER_OPTIMIZATION
+  struct wlan_pktbuf *pktbuf;
+#else
   struct wlan_pktbuf  pktbuf[WLAN_PKTBUF_NUM];
+#endif
 
   /* RX packet queue */
 
@@ -292,6 +296,9 @@ static int wlan_ioctl(struct net_driver_s *dev, int cmd,
                       unsigned long arg);
 #endif
 
+static inline void wlan_free_buffer(struct wlan_priv_s *priv,
+                                    uint8_t *buffer);
+
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
@@ -324,6 +331,17 @@ static inline void wlan_init_buffer(struct wlan_priv_s *priv)
 {
   irqstate_t flags;
 
+#ifdef CONFIG_ESPRESSIF_WIFI_WLAN_BUFFER_OPTIMIZATION
+  flags = spin_lock_irqsave(&priv->lock);
+
+  priv->dev.d_buf = NULL;
+  priv->dev.d_len = 0;
+
+  sq_init(&priv->rxb);
+  sq_init(&priv->txb);
+
+  spin_unlock_irqrestore(&priv->lock, flags);
+#else
   int i;
   flags = spin_lock_irqsave(&priv->lock);
 
@@ -340,6 +358,40 @@ static inline void wlan_init_buffer(struct wlan_priv_s *priv)
     }
 
   spin_unlock_irqrestore(&priv->lock, flags);
+#endif
+}
+
+/****************************************************************************
+ * Function: wlan_deinit_buffer
+ *
+ * Description:
+ *   De-initialize the buffer list
+ *
+ * Input Parameters:
+ *   priv - Reference to the driver state structure
+ *
+ * Returned Value:
+ *   None.
+ *
+ ****************************************************************************/
+
+static inline void wlan_deinit_buffer(struct wlan_priv_s *priv)
+{
+#ifdef CONFIG_ESPRESSIF_WIFI_WLAN_BUFFER_OPTIMIZATION
+  struct wlan_pktbuf *pktbuf;
+  while ((pktbuf = (struct wlan_pktbuf *)wlan_recvframe(priv)) != NULL)
+    {
+      wlan_free_buffer(priv, (void *)pktbuf->buffer);
+    }
+
+  while ((pktbuf = (struct wlan_pktbuf *)wlan_txframe(priv)) != NULL)
+    {
+      wlan_free_buffer(priv, (void *)pktbuf->buffer);
+    }
+
+  sq_init(&priv->rxb);
+  sq_init(&priv->txb);
+#endif
 }
 
 /****************************************************************************
@@ -360,6 +412,15 @@ static inline struct wlan_pktbuf *wlan_alloc_buffer(struct wlan_priv_s *priv)
 {
   struct wlan_pktbuf *pktbuf = NULL;
 
+#ifdef CONFIG_ESPRESSIF_WIFI_WLAN_BUFFER_OPTIMIZATION
+  struct mallinfo info = kmm_mallinfo();
+  if (info.fordblks < MINIMUM_HEAP_SIZE)
+    {
+      return NULL;
+    }
+
+  pktbuf = kmm_malloc(sizeof(struct wlan_pktbuf) + WLAN_BUF_SIZE);
+#else
   sq_entry_t *entry;
   irqstate_t flags = spin_lock_irqsave(&priv->lock);
 
@@ -371,6 +432,7 @@ static inline struct wlan_pktbuf *wlan_alloc_buffer(struct wlan_priv_s *priv)
 
   spin_unlock_irqrestore(&priv->lock, flags);
 
+#endif
   return pktbuf;
 }
 
@@ -394,12 +456,17 @@ static inline void wlan_free_buffer(struct wlan_priv_s *priv,
 {
   struct wlan_pktbuf *pktbuf;
 
+#ifdef CONFIG_ESPRESSIF_WIFI_WLAN_BUFFER_OPTIMIZATION
+  pktbuf = container_of(buffer, struct wlan_pktbuf, buffer);
+  kmm_free(pktbuf);
+#else
   irqstate_t flags = spin_lock_irqsave(&priv->lock);
 
   pktbuf = container_of(buffer, struct wlan_pktbuf, buffer);
   sq_addlast(&pktbuf->entry, &priv->freeb);
 
   spin_unlock_irqrestore(&priv->lock, flags);
+#endif
 }
 
 /****************************************************************************
@@ -1098,6 +1165,9 @@ static int wlan_ifup(struct net_driver_s *dev)
   ret = priv->ops->start();
   if (ret < 0)
     {
+#ifdef CONFIG_ARCH_CHIP_ESP32
+      wlan_deinit_buffer(priv);
+#endif
       net_unlock();
       nerr("ERROR: Failed to start Wi-Fi ret=%d\n", ret);
       return ret;
@@ -1114,6 +1184,14 @@ static int wlan_ifup(struct net_driver_s *dev)
     }
 
   ++g_callback_register_ref;
+
+#ifdef CONFIG_ARCH_CHIP_ESP32
+  /* We can make sure that the WLAN TX and RX are not doing, because
+   * the process is in "net_lock()"
+   */
+
+  wlan_deinit_buffer(priv);
+#endif
   net_unlock();
 
   return OK;

diff --git a/arch/xtensa/src/common/espressif/esp_wlan.h b/arch/xtensa/src/common/espressif/esp_wlan.h
@@ -29,9 +29,15 @@
 
 #include <nuttx/config.h>
 
+#ifdef CONFIG_ARCH_CHIP_ESP32
+#  include "esp32_wifi_adapter.h"
+#endif
 #ifdef CONFIG_ARCH_CHIP_ESP32S2
 #  include "esp32s2_wifi_adapter.h"
 #endif
+#ifdef CONFIG_ARCH_CHIP_ESP32S3
+#  include "esp32s3_wifi_adapter.h"
+#endif
 
 #ifndef __ASSEMBLY__