feat(ble): support adv fast tx feature on ESP32-C5

components/bt/controller/esp32c5/Kconfig.in

@@ -979,3 +979,12 @@ config BT_LE_CTRL_DL_ITVL_PHY_SYNC_EN
         When this option is enabled, the Controller automatically initiates a data length update
         Using the appropriate data length parameters
         When a PHY update or a connection interval update occurs.
+
+config BT_LE_CTRL_ADV_FAST_TX_EN
+    bool "Reduce adv enable-to-air latency (READ DOCS FIRST) (EXPERIMENTAL)"
+    default n
+    help
+        Reduce the latency between issuing the advertising enable command
+        and the actual on-air transmission by executing the advertising TX
+        path from IRAM.
+        Note: Enabling this option increases IRAM usage.

components/bt/controller/esp32c5/ble.c

@@ -44,6 +44,18 @@ int dtm_stack_enable(void);
 void dtm_stack_disable(void);
 #endif // CONFIG_BT_LE_DTM_ENABLED
 
+int conn_stack_initEnv(void);
+void conn_stack_deinitEnv(void);
+int conn_stack_enable(void);
+void conn_stack_disable(void);
+
+#if CONFIG_BT_LE_ERROR_SIM_ENABLED
+int conn_errorSim_initEnv(void);
+void conn_errorSim_deinitEnv(void);
+int conn_errorSim_enable(void);
+void conn_errorSim_disable(void);
+#endif // CONFIG_BT_LE_ERROR_SIM_ENABLED
+
 #if DEFAULT_BT_LE_PAWR_SUPPORTED || CONFIG_BT_LE_ERROR_SIM_ENABLED
 int ble_single_env_init(void);
 void ble_single_env_deinit(void);
@@ -63,17 +75,12 @@ int pawrSync_stack_enable(void);
 void pawrSync_stack_disable(void);
 #endif // DEFAULT_BT_LE_PAWR_SUPPORTED
 
-int conn_stack_initEnv(void);
+#if CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
-void conn_stack_deinitEnv(void);
+int advFastTx_stack_initEnv(void);
-int conn_stack_enable(void);
+void advFastTx_stack_deinitEnv(void);
-void conn_stack_disable(void);
+int advFastTx_stack_enable(void);
-
+void advFastTx_stack_disable(void);
-#if CONFIG_BT_LE_ERROR_SIM_ENABLED
+#endif // CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
-int conn_errorSim_initEnv(void);
-void conn_errorSim_deinitEnv(void);
-int conn_errorSim_enable(void);
-void conn_errorSim_disable(void);
-#endif // CONFIG_BT_LE_ERROR_SIM_ENABLED
 
 #if (CONFIG_BT_NIMBLE_ENABLED || CONFIG_BT_BLUEDROID_ENABLED)
 void adv_stack_enableClearLegacyAdvVsCmd(bool en);
@@ -200,12 +207,20 @@ int ble_stack_initEnv(void)
         return rc;
     }
 #endif // DEFAULT_BT_LE_PAWR_SUPPORTED
-
+#if CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
+    rc = advFastTx_stack_initEnv();
+    if (rc) {
+        return rc;
+    }
+#endif // CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
     return 0;
 }
 
 void ble_stack_deinitEnv(void)
 {
+#if CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
+    advFastTx_stack_deinitEnv();
+#endif // CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
 #if DEFAULT_BT_LE_PAWR_SUPPORTED
     pawrSync_stack_deinitEnv();
     pawrBcast_stack_deinitEnv();
@@ -291,7 +306,12 @@ int ble_stack_enable(void)
         return rc;
     }
 #endif // DEFAULT_BT_LE_PAWR_SUPPORTED
-
+#if CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
+    rc = advFastTx_stack_enable();
+    if (rc) {
+        return rc;
+    }
+#endif // CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
 #if (CONFIG_BT_NIMBLE_ENABLED || CONFIG_BT_BLUEDROID_ENABLED)
     ble_stack_enableVsCmds(true);
     ble_stack_enableVsEvents(true);
@@ -310,6 +330,10 @@ void ble_stack_disable(void)
     ble_stack_enableVsEvents(false);
     ble_stack_enableVsCmds(false);
 #endif // (CONFIG_BT_NIMBLE_ENABLED || CONFIG_BT_BLUEDROID_ENABLED)
+#if CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
+    advFastTx_stack_disable();
+#endif // CONFIG_BT_LE_CTRL_ADV_FAST_TX_EN
+
 #if DEFAULT_BT_LE_PAWR_SUPPORTED
     pawrSync_stack_disable();
     pawrBcast_stack_disable();