Merge branch 'main' into themes

3 files changed, 1924 insertions, 0 deletions

diff --git a/lib/bt/controller/esp32c2/Kconfig.in b/lib/bt/controller/esp32c2/Kconfig.in
new file mode 100644
index 00000000..05e15708
--- /dev/null
+++ b/lib/bt/controller/esp32c2/Kconfig.in
@@ -0,0 +1,466 @@
+
+menu "HCI Config"
+
+    choice BT_LE_HCI_INTERFACE
+        prompt "Select HCI interface"
+        default BT_LE_HCI_INTERFACE_USE_RAM
+
+        config BT_LE_HCI_INTERFACE_USE_RAM
+            bool "ram"
+            help
+                Use RAM as HCI interface
+        config BT_LE_HCI_INTERFACE_USE_UART
+            bool "uart"
+            help
+                Use UART as HCI interface
+    endchoice
+
+    config BT_LE_HCI_UART_PORT
+        int "HCI UART port"
+        depends on BT_LE_HCI_INTERFACE_USE_UART
+        default 1
+        help
+            Set the port number of HCI UART
+
+    config BT_LE_HCI_UART_FLOWCTRL
+        bool "HCI uart Hardware Flow ctrl"
+        depends on BT_LE_HCI_INTERFACE_USE_UART
+        default n
+
+    config BT_LE_HCI_UART_TX_PIN
+        int "HCI uart Tx gpio"
+        depends on BT_LE_HCI_INTERFACE_USE_UART
+        default 19
+
+    config BT_LE_HCI_UART_RX_PIN
+        int "HCI uart Rx gpio"
+        depends on BT_LE_HCI_INTERFACE_USE_UART
+        default 10
+
+    config BT_LE_HCI_UART_RTS_PIN
+        int "HCI uart RTS gpio"
+        depends on BT_LE_HCI_UART_FLOWCTRL
+        default 4
+
+    config BT_LE_HCI_UART_CTS_PIN
+        int "HCI uart CTS gpio"
+        depends on BT_LE_HCI_UART_FLOWCTRL
+        default 5
+
+    config BT_LE_HCI_UART_BAUD
+        int "HCI uart baudrate"
+        depends on BT_LE_HCI_INTERFACE_USE_UART
+        default 921600
+        help
+            HCI uart baud rate 115200 ~ 1000000
+
+    choice BT_LE_HCI_UART_PARITY
+        prompt "select uart parity"
+        depends on BT_LE_HCI_INTERFACE_USE_UART
+        default BT_LE_HCI_UART_UART_PARITY_DISABLE
+
+        config BT_LE_HCI_UART_UART_PARITY_DISABLE
+            bool "PARITY_DISABLE"
+            help
+                UART_PARITY_DISABLE
+        config BT_LE_HCI_UART_UART_PARITY_EVEN
+            bool "PARITY_EVEN"
+            help
+                UART_PARITY_EVEN
+        config BT_LE_HCI_UART_UART_PARITY_ODD
+            bool "PARITY_ODD"
+            help
+                UART_PARITY_ODD
+    endchoice
+
+    config BT_LE_HCI_UART_TASK_STACK_SIZE
+        int "HCI uart task stack size"
+        depends on BT_LE_HCI_INTERFACE_USE_UART
+        default 1000
+        help
+            Set the size of uart task stack
+endmenu
+
+config BT_LE_CONTROLLER_NPL_OS_PORTING_SUPPORT
+    bool
+    default y
+    help
+        Enable NPL porting for controller.
+
+
+menuconfig BT_LE_50_FEATURE_SUPPORT
+    bool "Enable BLE 5 feature"
+    depends on !BT_NIMBLE_ENABLED
+    default y
+    help
+        Enable BLE 5 feature
+
+config BT_LE_LL_CFG_FEAT_LE_2M_PHY
+    bool "Enable 2M Phy"
+    depends on BT_LE_50_FEATURE_SUPPORT
+    default y
+    help
+        Enable 2M-PHY
+
+config BT_LE_LL_CFG_FEAT_LE_CODED_PHY
+    bool "Enable coded Phy"
+    depends on BT_LE_50_FEATURE_SUPPORT
+    default y
+    help
+        Enable coded-PHY
+
+config BT_LE_EXT_ADV
+    bool "Enable extended advertising"
+    depends on BT_LE_50_FEATURE_SUPPORT
+    default y
+    help
+        Enable this option to do extended advertising. Extended advertising
+        will be supported from BLE 5.0 onwards.
+
+if BT_LE_EXT_ADV
+    config BT_LE_MAX_EXT_ADV_INSTANCES
+        int "Maximum number of extended advertising instances."
+        range 0 4
+        default 1
+        depends on BT_LE_EXT_ADV
+        help
+            Change this option to set maximum number of extended advertising
+            instances. Minimum there is always one instance of
+            advertising. Enter how many more advertising instances you
+            want.
+            Each extended advertising instance will take about 0.5k DRAM.
+
+    config BT_LE_EXT_ADV_MAX_SIZE
+        int "Maximum length of the advertising data."
+        range 0 1650
+        default 1650
+        depends on BT_LE_EXT_ADV
+        help
+            Defines the length of the extended adv data. The value should not
+            exceed 1650.
+
+    config BT_LE_ENABLE_PERIODIC_ADV
+        bool "Enable periodic advertisement."
+        default y
+        depends on BT_LE_EXT_ADV
+        help
+            Enable this option to start periodic advertisement.
+
+    config BT_LE_PERIODIC_ADV_SYNC_TRANSFER
+        bool "Enable Transer Sync Events"
+        depends on BT_LE_ENABLE_PERIODIC_ADV
+        default y
+        help
+            This enables controller transfer periodic sync events to host
+
+endif
+
+config BT_LE_MAX_PERIODIC_SYNCS
+    int "Maximum number of periodic advertising syncs"
+    depends on BT_LE_50_FEATURE_SUPPORT && !BT_NIMBLE_ENABLED
+
+    range 0 3
+    default 1 if BT_LE_ENABLE_PERIODIC_ADV
+    default 0
+    help
+        Set this option to set the upper limit for number of periodic sync
+        connections. This should be less than maximum connections allowed by
+        controller.
+
+config BT_LE_MAX_PERIODIC_ADVERTISER_LIST
+    int "Maximum number of periodic advertiser list"
+    depends on BT_LE_50_FEATURE_SUPPORT && !BT_NIMBLE_ENABLED
+    range 1 5
+    default 5
+    help
+        Set this option to set the upper limit for number of periodic advertiser list.
+
+menu "Memory Settings"
+    depends on !BT_NIMBLE_ENABLED
+
+    config BT_LE_MSYS_1_BLOCK_COUNT
+        int "MSYS_1 Block Count"
+        default 12
+        help
+            MSYS is a system level mbuf registry. For prepare write & prepare
+            responses MBUFs are allocated out of msys_1 pool. For NIMBLE_MESH
+            enabled cases, this block count is increased by 8 than user defined
+            count.
+
+    config BT_LE_MSYS_1_BLOCK_SIZE
+        int "MSYS_1 Block Size"
+        default 256
+        help
+            Dynamic memory size of block 1
+
+    config BT_LE_MSYS_2_BLOCK_COUNT
+        int "MSYS_2 Block Count"
+        default 24
+        help
+            Dynamic memory count
+
+    config BT_LE_MSYS_2_BLOCK_SIZE
+        int "MSYS_2 Block Size"
+        default 320
+        help
+            Dynamic memory size of block 2
+
+    config BT_LE_ACL_BUF_COUNT
+        int "ACL Buffer count"
+        default 10
+        help
+            The number of ACL data buffers.
+
+    config BT_LE_ACL_BUF_SIZE
+        int "ACL Buffer size"
+        default 517
+        help
+            This is the maximum size of the data portion of HCI ACL data packets.
+            It does not include the HCI data header (of 4 bytes)
+
+    config BT_LE_HCI_EVT_BUF_SIZE
+        int "HCI Event Buffer size"
+        default 257 if BT_LE_EXT_ADV
+        default 70
+        help
+            This is the size of each HCI event buffer in bytes. In case of
+            extended advertising, packets can be fragmented. 257 bytes is the
+            maximum size of a packet.
+
+    config BT_LE_HCI_EVT_HI_BUF_COUNT
+        int "High Priority HCI Event Buffer count"
+        default 30
+        help
+            This is the high priority HCI events' buffer size. High-priority
+            event buffers are for everything except advertising reports. If there
+            are no free high-priority event buffers then host will try to allocate a
+            low-priority buffer instead
+
+    config BT_LE_HCI_EVT_LO_BUF_COUNT
+        int "Low Priority HCI Event Buffer count"
+        default 8
+        help
+            This is the low priority HCI events' buffer size. Low-priority event
+            buffers are only used for advertising reports. If there are no free
+            low-priority event buffers, then an incoming advertising report will
+            get dropped
+endmenu
+
+config BT_LE_CONTROLLER_TASK_STACK_SIZE
+    int "Controller task stack size"
+    default 5120 if BLE_MESH
+    default 4096
+    help
+        This configures stack size of NimBLE controller task
+
+menuconfig BT_LE_CONTROLLER_LOG_ENABLED
+    bool "Controller log enable"
+    default n
+    help
+        Enable controller log
+
+config BT_LE_CONTROLLER_LOG_CTRL_ENABLED
+    bool "enable controller log module"
+    depends on BT_LE_CONTROLLER_LOG_ENABLED
+    default y
+    help
+            Enable controller log module
+
+config BT_LE_CONTROLLER_LOG_HCI_ENABLED
+    bool "enable HCI log module"
+    depends on BT_LE_CONTROLLER_LOG_ENABLED
+    default y
+    help
+            Enable hci log module
+
+config BT_LE_CONTROLLER_LOG_DUMP_ONLY
+    bool "Controller log dump mode only"
+    depends on BT_LE_CONTROLLER_LOG_ENABLED
+    default y
+    help
+            Only operate in dump mode
+
+config BT_LE_LOG_CTRL_BUF1_SIZE
+    int "size of the first BLE controller LOG buffer"
+    depends on BT_LE_CONTROLLER_LOG_ENABLED
+    default 4096
+    help
+            Configure the size of the first BLE controller LOG buffer.
+
+config BT_LE_LOG_CTRL_BUF2_SIZE
+    int "size of the second BLE controller LOG buffer"
+    depends on BT_LE_CONTROLLER_LOG_ENABLED
+    default 1024
+    help
+            Configure the size of the second BLE controller LOG buffer.
+
+config BT_LE_LOG_HCI_BUF_SIZE
+    int "size of the BLE HCI LOG buffer"
+    depends on BT_LE_CONTROLLER_LOG_ENABLED
+    default 4096
+    help
+            Configure the size of the BLE HCI LOG buffer.
+
+config BT_LE_LL_RESOLV_LIST_SIZE
+    int "BLE LL Resolving list size"
+    range 1 5
+    default 4
+    help
+        Configure the size of resolving list used in link layer.
+
+menuconfig BT_LE_SECURITY_ENABLE
+    bool "Enable BLE SM feature"
+    depends on !BT_NIMBLE_ENABLED
+    default y
+    help
+        Enable BLE sm feature
+
+config BT_LE_SM_LEGACY
+    bool "Security manager legacy pairing"
+    depends on BT_LE_SECURITY_ENABLE
+    default y
+    help
+        Enable security manager legacy pairing
+
+config BT_LE_SM_SC
+    bool "Security manager secure connections (4.2)"
+    depends on BT_LE_SECURITY_ENABLE
+    default y
+    help
+        Enable security manager secure connections
+
+config BT_LE_SM_SC_DEBUG_KEYS
+    bool "Use predefined public-private key pair"
+    default n
+    depends on BT_LE_SECURITY_ENABLE && BT_LE_SM_SC
+    help
+        If this option is enabled, SM uses predefined DH key pair as described
+        in Core Specification, Vol. 3, Part H, 2.3.5.6.1. This allows to
+        decrypt air traffic easily and thus should only be used for debugging.
+
+config BT_LE_LL_CFG_FEAT_LE_ENCRYPTION
+    bool "Enable LE encryption"
+    depends on BT_LE_SECURITY_ENABLE
+    default y
+    help
+        Enable encryption connection
+
+config BT_LE_CRYPTO_STACK_MBEDTLS
+    bool "Override TinyCrypt with mbedTLS for crypto computations"
+    default y
+    depends on !BT_NIMBLE_ENABLED
+    select MBEDTLS_ECP_RESTARTABLE
+    select MBEDTLS_CMAC_C
+    help
+        Enable this option to choose mbedTLS instead of TinyCrypt for crypto
+        computations.
+
+config BT_LE_WHITELIST_SIZE
+    int "BLE white list size"
+    range 1 15
+    default 12
+    depends on !BT_NIMBLE_ENABLED
+
+    help
+        BLE list size
+
+config BT_LE_LL_DUP_SCAN_LIST_COUNT
+    int "BLE duplicate scan list count"
+    range 1 100
+    default 20
+    help
+        config the max count of duplicate scan list
+
+config BT_LE_LL_SCA
+    int "BLE Sleep clock accuracy"
+    range 0 500
+    default 60
+    help
+        Sleep clock accuracy of our device (in ppm)
+
+config BT_LE_MAX_CONNECTIONS
+    int "Maximum number of concurrent connections"
+    depends on !BT_NIMBLE_ENABLED
+    range 1 2
+    default 2
+    help
+        Defines maximum number of concurrent BLE connections. For ESP32, user
+        is expected to configure BTDM_CTRL_BLE_MAX_CONN from controller menu
+        along with this option. Similarly for ESP32-C3 or ESP32-S3, user is expected to
+        configure BT_CTRL_BLE_MAX_ACT from controller menu.
+        Each connection will take about 1k DRAM.
+
+choice BT_LE_COEX_PHY_CODED_TX_RX_TLIM
+    prompt "Coexistence: limit on MAX Tx/Rx time for coded-PHY connection"
+    default BT_LE_COEX_PHY_CODED_TX_RX_TLIM_DIS
+    depends on ESP_COEX_SW_COEXIST_ENABLE
+    help
+        When using PHY-Coded in BLE connection, limitation on max tx/rx time can be applied to
+        better avoid dramatic performance deterioration of Wi-Fi.
+
+    config BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EN
+        bool "Force Enable"
+        help
+            Always enable the limitation on max tx/rx time for Coded-PHY connection
+
+    config BT_LE_COEX_PHY_CODED_TX_RX_TLIM_DIS
+        bool "Force Disable"
+        help
+            Disable the limitation on max tx/rx time for Coded-PHY connection
+endchoice
+
+config BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EFF
+    int
+    default 0 if !ESP_COEX_SW_COEXIST_ENABLE
+    default 1 if BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EN
+    default 0 if BT_LE_COEX_PHY_CODED_TX_RX_TLIM_DIS
+
+config BT_LE_SLEEP_ENABLE
+    bool "Enable BLE sleep"
+    default n
+    help
+        Enable BLE sleep
+
+config BT_LE_USE_ESP_TIMER
+    bool "Use Esp Timer for callout"
+    depends on !BT_NIMBLE_ENABLED
+    default y
+    help
+        Set this option to use Esp Timer which has higher priority timer instead of FreeRTOS timer
+
+config BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_SUPP
+    bool "BLE adv report flow control supported"
+    default y
+    help
+        The function is mainly used to enable flow control for advertising reports. When it is enabled,
+        advertising reports will be discarded by the controller if the number of unprocessed advertising
+        reports exceeds the size of BLE adv report flow control.
+
+config BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM
+    int "BLE adv report flow control number"
+    depends on BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_SUPP
+    range 50 1000
+    default 100
+    help
+        The number of unprocessed advertising report that bluetooth host can save.If you set
+        `BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM` to a small value, this may cause adv packets lost.
+        If you set `BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM` to a large value, bluetooth host may cache a
+        lot of adv packets and this may cause system memory run out. For example, if you set
+        it to 50, the maximum memory consumed by host is 35 * 50 bytes. Please set
+        `BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM` according to your system free memory and handle adv
+        packets as fast as possible, otherwise it will cause adv packets lost.
+
+config BT_CTRL_BLE_ADV_REPORT_DISCARD_THRSHOLD
+    int "BLE adv lost event threshold value"
+    depends on BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_SUPP
+    range 1 1000
+    default 20
+    help
+        When adv report flow control is enabled, The ADV lost event will be generated when the number
+        of ADV packets lost in the controller reaches this threshold. It is better to set a larger value.
+        If you set `BT_CTRL_BLE_ADV_REPORT_DISCARD_THRSHOLD` to a small value or printf every adv lost event, it
+        may cause adv packets lost more.
+
+config BT_LE_RELEASE_IRAM_SUPPORTED
+    bool
+    default y
diff --git a/lib/bt/controller/esp32c2/bt.c b/lib/bt/controller/esp32c2/bt.c
new file mode 100644
index 00000000..c1eff194
--- /dev/null
+++ b/lib/bt/controller/esp32c2/bt.c
@@ -0,0 +1,1238 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "esp_random.h"
+#include "esp_heap_caps.h"
+#include "esp_heap_caps_init.h"
+#include <esp_mac.h>
+
+#include "sdkconfig.h"
+
+#include "nimble/nimble_port.h"
+#include "nimble/nimble_port_freertos.h"
+
+#ifdef ESP_PLATFORM
+#include "esp_log.h"
+#endif
+
+#if CONFIG_SW_COEXIST_ENABLE
+#include "private/esp_coexist_internal.h"
+#endif
+
+#include "nimble/nimble_npl_os.h"
+#include "nimble/ble_hci_trans.h"
+#include "os/endian.h"
+
+#include "esp_bt.h"
+#include "esp_intr_alloc.h"
+#include "esp_sleep.h"
+#include "esp_pm.h"
+#include "esp_phy_init.h"
+#include "soc/syscon_reg.h"
+#include "soc/modem_clkrst_reg.h"
+#include "esp_private/periph_ctrl.h"
+#include "hci_uart.h"
+#include "bt_osi_mem.h"
+
+#ifdef CONFIG_BT_BLUEDROID_ENABLED
+#include "hci/hci_hal.h"
+#endif
+
+#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
+#include "esp_private/sleep_modem.h"
+#endif // CONFIG_FREERTOS_USE_TICKLESS_IDLE
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+
+#include "esp_private/periph_ctrl.h"
+#include "esp_sleep.h"
+
+#include "soc/syscon_reg.h"
+#include "soc/dport_access.h"
+
+#include "hal/efuse_ll.h"
+/* Macro definition
+ ************************************************************************
+ */
+
+#define NIMBLE_PORT_LOG_TAG          "BLE_INIT"
+#define OSI_COEX_VERSION              0x00010006
+#define OSI_COEX_MAGIC_VALUE          0xFADEBEAD
+
+#define EXT_FUNC_VERSION             0x20221122
+#define EXT_FUNC_MAGIC_VALUE         0xA5A5A5A5
+
+#define BT_ASSERT_PRINT              ets_printf
+
+#ifdef CONFIG_BT_BLUEDROID_ENABLED
+/* ACL_DATA_MBUF_LEADINGSPCAE: The leadingspace in user info header for ACL data */
+#define ACL_DATA_MBUF_LEADINGSPCAE    4
+#endif // CONFIG_BT_BLUEDROID_ENABLED
+
+/* Types definition
+ ************************************************************************
+ */
+struct osi_coex_funcs_t {
+    uint32_t _magic;
+    uint32_t _version;
+    void (* _coex_wifi_sleep_set)(bool sleep);
+    int (* _coex_core_ble_conn_dyn_prio_get)(bool *low, bool *high);
+    void (* _coex_schm_status_bit_set)(uint32_t type, uint32_t status);
+    void (* _coex_schm_status_bit_clear)(uint32_t type, uint32_t status);
+};
+
+struct ext_funcs_t {
+    uint32_t ext_version;
+    int (*_esp_intr_alloc)(int source, int flags, intr_handler_t handler, void *arg, void **ret_handle);
+    int (*_esp_intr_free)(void **ret_handle);
+    void *(* _malloc)(size_t size);
+    void (*_free)(void *p);
+    void (*_hal_uart_start_tx)(int);
+    int (*_hal_uart_init_cbs)(int, hci_uart_tx_char, hci_uart_tx_done, hci_uart_rx_char, void *);
+    int (*_hal_uart_config)(int, int32_t, uint8_t, uint8_t, uart_parity_t, uart_hw_flowcontrol_t);
+    int (*_hal_uart_close)(int);
+    void (*_hal_uart_blocking_tx)(int, uint8_t);
+    int (*_hal_uart_init)(int, void *);
+    int (* _task_create)(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id);
+    void (* _task_delete)(void *task_handle);
+    void (*_osi_assert)(const uint32_t ln, const char *fn, uint32_t param1, uint32_t param2);
+    uint32_t (* _os_random)(void);
+    int (* _ecc_gen_key_pair)(uint8_t *public, uint8_t *priv);
+    int (* _ecc_gen_dh_key)(const uint8_t *remote_pub_key_x, const uint8_t *remote_pub_key_y, const uint8_t *local_priv_key, uint8_t *dhkey);
+    void (* _esp_reset_rpa_moudle)(void);
+    void (* _esp_bt_track_pll_cap)(void);
+    uint32_t magic;
+};
+
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+typedef void (*interface_func_t) (uint32_t len, const uint8_t*addr, bool end);
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+
+/* External functions or variables
+ ************************************************************************
+ */
+extern int ble_osi_coex_funcs_register(struct osi_coex_funcs_t *coex_funcs);
+extern int ble_controller_init(esp_bt_controller_config_t *cfg);
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+extern int ble_log_init_async(interface_func_t bt_controller_log_interface, bool task_create, uint8_t buffers, uint32_t *bufs_size);
+extern int ble_log_deinit_async(void);
+extern void ble_log_async_output_dump_all(bool output);
+extern void esp_panic_handler_reconfigure_wdts(uint32_t timeout_ms);
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+extern int ble_controller_deinit(void);
+extern int ble_controller_enable(uint8_t mode);
+extern int ble_controller_disable(void);
+extern int esp_register_ext_funcs (struct ext_funcs_t *);
+extern void esp_unregister_ext_funcs (void);
+extern int esp_ble_ll_set_public_addr(const uint8_t *addr);
+extern int esp_register_npl_funcs (struct npl_funcs_t *p_npl_func);
+extern void esp_unregister_npl_funcs (void);
+extern void npl_freertos_mempool_deinit(void);
+extern void bt_bb_v2_init_cmplx(uint8_t i);
+extern int os_msys_buf_alloc(void);
+extern uint32_t r_os_cputime_get32(void);
+extern uint32_t r_os_cputime_ticks_to_usecs(uint32_t ticks);
+extern void r_ble_lll_rfmgmt_set_sleep_cb(void *s_cb, void *w_cb, void *s_arg, void *w_arg, uint32_t us_to_enabled);
+extern void r_ble_rtc_wake_up_state_clr(void);
+#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
+extern void esp_ble_set_wakeup_overhead(uint32_t overhead);
+#endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE */
+extern int os_msys_init(void);
+extern void os_msys_buf_free(void);
+extern int ble_sm_alg_gen_dhkey(const uint8_t *peer_pub_key_x,
+                                const uint8_t *peer_pub_key_y,
+                                const uint8_t *our_priv_key, uint8_t *out_dhkey);
+extern int ble_sm_alg_gen_key_pair(uint8_t *pub, uint8_t *priv);
+extern int ble_txpwr_set(esp_ble_enhanced_power_type_t power_type, uint16_t handle, int power_level);
+extern int ble_txpwr_get(esp_ble_enhanced_power_type_t power_type, uint16_t handle);
+extern int ble_get_npl_element_info(esp_bt_controller_config_t *cfg, ble_npl_count_info_t * npl_info);
+extern void bt_track_pll_cap(void);
+
+#if CONFIG_BT_RELEASE_IRAM
+extern uint32_t _iram_bt_text_start;
+extern uint32_t _bss_bt_end;
+#else
+extern uint32_t _bt_bss_end;
+extern uint32_t _bt_controller_data_start;
+#endif
+
+/* Local Function Declaration
+ *********************************************************************
+ */
+static void coex_schm_status_bit_set_wrapper(uint32_t type, uint32_t status);
+static void coex_schm_status_bit_clear_wrapper(uint32_t type, uint32_t status);
+static int task_create_wrapper(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id);
+static void task_delete_wrapper(void *task_handle);
+#if CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+static void hci_uart_start_tx_wrapper(int uart_no);
+static int hci_uart_init_cbs_wrapper(int uart_no, hci_uart_tx_char tx_func,
+                                     hci_uart_tx_done tx_done, hci_uart_rx_char rx_func, void *arg);
+static int hci_uart_config_wrapper(int uart_no, int32_t speed, uint8_t databits, uint8_t stopbits,
+                                   uart_parity_t parity, uart_hw_flowcontrol_t flow_ctl);
+static int hci_uart_close_wrapper(int uart_no);
+static void hci_uart_blocking_tx_wrapper(int port, uint8_t data);
+static int hci_uart_init_wrapper(int uart_no, void *cfg);
+#endif // CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+static int esp_intr_alloc_wrapper(int source, int flags, intr_handler_t handler,
+                                  void *arg, void **ret_handle_in);
+static int esp_intr_free_wrapper(void **ret_handle);
+static void osi_assert_wrapper(const uint32_t ln, const char *fn, uint32_t param1, uint32_t param2);
+static uint32_t osi_random_wrapper(void);
+static void esp_reset_rpa_moudle(void);
+static int esp_ecc_gen_key_pair(uint8_t *pub, uint8_t *priv);
+static int esp_ecc_gen_dh_key(const uint8_t *peer_pub_key_x, const uint8_t *peer_pub_key_y,
+                              const uint8_t *our_priv_key, uint8_t *out_dhkey);
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+static void esp_bt_controller_log_interface(uint32_t len, const uint8_t *addr, bool end);
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+/* Local variable definition
+ ***************************************************************************
+ */
+/* Static variable declare */
+static DRAM_ATTR esp_bt_controller_status_t ble_controller_status = ESP_BT_CONTROLLER_STATUS_IDLE;
+
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+const static uint32_t log_bufs_size[] = {CONFIG_BT_LE_LOG_CTRL_BUF1_SIZE, CONFIG_BT_LE_LOG_HCI_BUF_SIZE, CONFIG_BT_LE_LOG_CTRL_BUF2_SIZE};
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+
+/* This variable tells if BLE is running */
+static bool s_ble_active = false;
+#ifdef CONFIG_PM_ENABLE
+static DRAM_ATTR esp_pm_lock_handle_t s_pm_lock = NULL;
+#define BTDM_MIN_TIMER_UNCERTAINTY_US      (200)
+#endif // CONFIG_PM_ENABLE
+
+#define BLE_RTC_DELAY_US                    (1800)
+
+
+static const struct osi_coex_funcs_t s_osi_coex_funcs_ro = {
+    ._magic = OSI_COEX_MAGIC_VALUE,
+    ._version = OSI_COEX_VERSION,
+    ._coex_wifi_sleep_set = NULL,
+    ._coex_core_ble_conn_dyn_prio_get = NULL,
+    ._coex_schm_status_bit_set = coex_schm_status_bit_set_wrapper,
+    ._coex_schm_status_bit_clear = coex_schm_status_bit_clear_wrapper,
+};
+
+struct ext_funcs_t ext_funcs_ro = {
+    .ext_version = EXT_FUNC_VERSION,
+    ._esp_intr_alloc = esp_intr_alloc_wrapper,
+    ._esp_intr_free = esp_intr_free_wrapper,
+    ._malloc = bt_osi_mem_malloc_internal,
+    ._free = bt_osi_mem_free,
+#if CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+    ._hal_uart_start_tx     =  hci_uart_start_tx_wrapper,
+    ._hal_uart_init_cbs     =  hci_uart_init_cbs_wrapper,
+    ._hal_uart_config       =  hci_uart_config_wrapper,
+    ._hal_uart_close        =  hci_uart_close_wrapper,
+    ._hal_uart_blocking_tx  =  hci_uart_blocking_tx_wrapper,
+    ._hal_uart_init         =  hci_uart_init_wrapper,
+#endif //CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+    ._task_create = task_create_wrapper,
+    ._task_delete = task_delete_wrapper,
+    ._osi_assert = osi_assert_wrapper,
+    ._os_random = osi_random_wrapper,
+    ._ecc_gen_key_pair = esp_ecc_gen_key_pair,
+    ._ecc_gen_dh_key = esp_ecc_gen_dh_key,
+    ._esp_reset_rpa_moudle = esp_reset_rpa_moudle,
+    ._esp_bt_track_pll_cap = NULL,
+    .magic = EXT_FUNC_MAGIC_VALUE,
+};
+
+static void IRAM_ATTR esp_reset_rpa_moudle(void)
+{
+    DPORT_SET_PERI_REG_MASK(SYSTEM_CORE_RST_EN_REG, BLE_RPA_REST_BIT);
+    DPORT_CLEAR_PERI_REG_MASK(SYSTEM_CORE_RST_EN_REG, BLE_RPA_REST_BIT);
+}
+
+static void IRAM_ATTR osi_assert_wrapper(const uint32_t ln, const char *fn,
+                                         uint32_t param1, uint32_t param2)
+{
+    BT_ASSERT_PRINT("BLE assert: line %d in function %s, param: 0x%x, 0x%x", ln, fn, param1, param2);
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+    esp_ble_controller_log_dump_all(true);
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+    assert(0);
+}
+
+static uint32_t IRAM_ATTR osi_random_wrapper(void)
+{
+    return esp_random();
+}
+
+static void coex_schm_status_bit_set_wrapper(uint32_t type, uint32_t status)
+{
+#if CONFIG_SW_COEXIST_ENABLE
+    coex_schm_status_bit_set(type, status);
+#endif // CONFIG_SW_COEXIST_ENABLE
+}
+
+static void coex_schm_status_bit_clear_wrapper(uint32_t type, uint32_t status)
+{
+#if CONFIG_SW_COEXIST_ENABLE
+    coex_schm_status_bit_clear(type, status);
+#endif // CONFIG_SW_COEXIST_ENABLE
+}
+
+#ifdef CONFIG_BT_BLUEDROID_ENABLED
+bool esp_vhci_host_check_send_available(void)
+{
+    if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_ENABLED) {
+        return false;
+    }
+    return true;
+}
+
+/**
+ * Allocates an mbuf for use by the nimble host.
+ */
+static struct os_mbuf *ble_hs_mbuf_gen_pkt(uint16_t leading_space)
+{
+    struct os_mbuf *om;
+    int rc;
+
+    om = os_msys_get_pkthdr(0, 0);
+    if (om == NULL) {
+        return NULL;
+    }
+
+    if (om->om_omp->omp_databuf_len < leading_space) {
+        rc = os_mbuf_free_chain(om);
+        assert(rc == 0);
+        return NULL;
+    }
+
+    om->om_data += leading_space;
+
+    return om;
+}
+
+/**
+ * Allocates an mbuf suitable for an HCI ACL data packet.
+ *
+ * @return                  An empty mbuf on success; null on memory
+ *                              exhaustion.
+ */
+struct os_mbuf *ble_hs_mbuf_acl_pkt(void)
+{
+    return ble_hs_mbuf_gen_pkt(4 + 1);
+}
+
+void esp_vhci_host_send_packet(uint8_t *data, uint16_t len)
+{
+    if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_ENABLED) {
+        return;
+    }
+
+    if (*(data) == DATA_TYPE_COMMAND) {
+        struct ble_hci_cmd *cmd = NULL;
+        cmd = (struct ble_hci_cmd *) ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_CMD);
+        assert(cmd);
+        memcpy((uint8_t *)cmd, data + 1, len - 1);
+        ble_hci_trans_hs_cmd_tx((uint8_t *)cmd);
+    }
+
+    if (*(data) == DATA_TYPE_ACL) {
+        struct os_mbuf *om = os_msys_get_pkthdr(len, ACL_DATA_MBUF_LEADINGSPCAE);
+        assert(om);
+        assert(os_mbuf_append(om, &data[1], len - 1) == 0);
+        ble_hci_trans_hs_acl_tx(om);
+    }
+}
+
+esp_err_t esp_vhci_host_register_callback(const esp_vhci_host_callback_t *callback)
+{
+    if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_ENABLED) {
+        return ESP_FAIL;
+    }
+
+    ble_hci_trans_cfg_hs(ble_hs_hci_rx_evt, NULL, ble_hs_rx_data, NULL);
+
+    return ESP_OK;
+}
+#endif // CONFIG_BT_BLUEDROID_ENABLED
+static int task_create_wrapper(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id)
+{
+    return (uint32_t)xTaskCreatePinnedToCore(task_func, name, stack_depth, param, prio, task_handle, (core_id < portNUM_PROCESSORS ? core_id : tskNO_AFFINITY));
+}
+
+static void task_delete_wrapper(void *task_handle)
+{
+    vTaskDelete(task_handle);
+}
+
+static int esp_ecc_gen_key_pair(uint8_t *pub, uint8_t *priv)
+{
+    int rc = -1;
+#if CONFIG_BT_LE_SM_LEGACY || CONFIG_BT_LE_SM_SC
+    rc = ble_sm_alg_gen_key_pair(pub, priv);
+#endif // CONFIG_BT_LE_SM_LEGACY || CONFIG_BT_LE_SM_SC
+    return rc;
+}
+
+static int esp_ecc_gen_dh_key(const uint8_t *peer_pub_key_x, const uint8_t *peer_pub_key_y,
+                              const uint8_t *our_priv_key, uint8_t *out_dhkey)
+{
+    int rc = -1;
+#if CONFIG_BT_LE_SM_LEGACY || CONFIG_BT_LE_SM_SC
+    rc = ble_sm_alg_gen_dhkey(peer_pub_key_x, peer_pub_key_y, our_priv_key, out_dhkey);
+#endif // CONFIG_BT_LE_SM_LEGACY || CONFIG_BT_LE_SM_SC
+    return rc;
+}
+
+#ifdef CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+static void hci_uart_start_tx_wrapper(int uart_no)
+{
+    hci_uart_start_tx(uart_no);
+}
+
+static int hci_uart_init_cbs_wrapper(int uart_no, hci_uart_tx_char tx_func,
+                                     hci_uart_tx_done tx_done, hci_uart_rx_char rx_func, void *arg)
+{
+    int rc = -1;
+    rc = hci_uart_init_cbs(uart_no, tx_func, tx_done, rx_func, arg);
+    return rc;
+}
+
+
+static int hci_uart_config_wrapper(int port_num, int32_t baud_rate, uint8_t data_bits,
+                                   uint8_t stop_bits,uart_parity_t parity,
+                                   uart_hw_flowcontrol_t flow_ctl)
+{
+    int rc = -1;
+    rc = hci_uart_config(port_num, baud_rate, data_bits, stop_bits, parity, flow_ctl);
+    return rc;
+}
+
+static int hci_uart_close_wrapper(int uart_no)
+{
+    int rc = -1;
+    rc = hci_uart_close(uart_no);
+    return rc;
+}
+
+static void hci_uart_blocking_tx_wrapper(int port, uint8_t data)
+{
+    //This function is nowhere to use.
+}
+
+static int hci_uart_init_wrapper(int uart_no, void *cfg)
+{
+    //This function is nowhere to use.
+    return 0;
+}
+
+#endif //CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+
+static int ble_hci_unregistered_hook(void*, void*)
+{
+    ESP_LOGD(NIMBLE_PORT_LOG_TAG,"%s ble hci rx_evt is not registered.",__func__);
+    return 0;
+}
+
+static int esp_intr_alloc_wrapper(int source, int flags, intr_handler_t handler, void *arg, void **ret_handle_in)
+{
+    int rc = esp_intr_alloc(source, flags | ESP_INTR_FLAG_IRAM, handler, arg, (intr_handle_t *)ret_handle_in);
+    return rc;
+}
+
+static int esp_intr_free_wrapper(void **ret_handle)
+{
+    int rc = 0;
+    rc = esp_intr_free((intr_handle_t) * ret_handle);
+    *ret_handle = NULL;
+    return rc;
+}
+
+#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
+void sleep_modem_light_sleep_overhead_set(uint32_t overhead)
+{
+    esp_ble_set_wakeup_overhead(overhead);
+}
+#endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE */
+
+IRAM_ATTR void controller_sleep_cb(uint32_t enable_tick, void *arg)
+{
+    if (!s_ble_active) {
+        return;
+    }
+#ifdef CONFIG_PM_ENABLE
+    r_ble_rtc_wake_up_state_clr();
+    esp_pm_lock_release(s_pm_lock);
+#endif // CONFIG_PM_ENABLE
+    esp_phy_disable(PHY_MODEM_BT);
+    s_ble_active = false;
+}
+
+IRAM_ATTR void controller_wakeup_cb(void *arg)
+{
+    if (s_ble_active) {
+        return;
+    }
+    esp_phy_enable(PHY_MODEM_BT);
+    // need to check if need to call pm lock here
+#ifdef CONFIG_PM_ENABLE
+    esp_pm_lock_acquire(s_pm_lock);
+#endif //CONFIG_PM_ENABLE
+    s_ble_active = true;
+}
+
+esp_err_t controller_sleep_init(void)
+{
+    esp_err_t rc = 0;
+#ifdef CONFIG_BT_LE_SLEEP_ENABLE
+    ESP_LOGW(NIMBLE_PORT_LOG_TAG, "BLE modem sleep is enabled\n");
+    r_ble_lll_rfmgmt_set_sleep_cb(controller_sleep_cb, controller_wakeup_cb, 0, 0, 500 + BLE_RTC_DELAY_US);
+
+#ifdef CONFIG_PM_ENABLE
+    esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_ON);
+#endif // CONFIG_PM_ENABLE
+
+#endif // CONFIG_BT_LE_SLEEP_ENABLE
+
+    // enable light sleep
+#ifdef CONFIG_PM_ENABLE
+    rc = esp_pm_lock_create(ESP_PM_CPU_FREQ_MAX, 0, "bt", &s_pm_lock);
+    if (rc != ESP_OK) {
+        goto error;
+    }
+#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
+    esp_sleep_enable_bt_wakeup();
+    ESP_LOGW(NIMBLE_PORT_LOG_TAG, "Enable light sleep, the wake up source is BLE timer");
+
+    rc = esp_pm_register_inform_out_light_sleep_overhead_callback(sleep_modem_light_sleep_overhead_set);
+    if (rc != ESP_OK) {
+        goto error;
+    }
+#endif // CONFIG_FREERTOS_USE_TICKLESS_IDLE
+    return rc;
+
+error:
+#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
+    esp_sleep_disable_bt_wakeup();
+    esp_pm_unregister_inform_out_light_sleep_overhead_callback(sleep_modem_light_sleep_overhead_set);
+#endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE */
+    /*lock should release first and then delete*/
+    if (s_pm_lock != NULL) {
+        esp_pm_lock_delete(s_pm_lock);
+        s_pm_lock = NULL;
+    }
+#endif //CONFIG_PM_ENABLE
+    return rc;
+}
+
+void controller_sleep_deinit(void)
+{
+#ifdef CONFIG_FREERTOS_USE_TICKLESS_IDLE
+    r_ble_rtc_wake_up_state_clr();
+    esp_sleep_disable_bt_wakeup();
+    esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_AUTO);
+    esp_pm_unregister_inform_out_light_sleep_overhead_callback(sleep_modem_light_sleep_overhead_set);
+#endif // CONFIG_FREERTOS_USE_TICKLESS_IDLE
+#ifdef CONFIG_PM_ENABLE
+    /*lock should release first and then delete*/
+    esp_pm_lock_delete(s_pm_lock);
+    s_pm_lock = NULL;
+#endif //CONFIG_PM_ENABLE
+}
+
+void ble_rtc_clk_init(void)
+{
+    // modem_clkrst_reg
+    // LP_TIMER_SEL_XTAL32K -> 0
+    // LP_TIMER_SEL_XTAL -> 1
+    // LP_TIMER_SEL_8M -> 0
+    // LP_TIMER_SEL_RTC_SLOW -> 0
+    SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 0, MODEM_CLKRST_LP_TIMER_SEL_XTAL32K_S);
+    SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 1, MODEM_CLKRST_LP_TIMER_SEL_XTAL_S);
+    SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 0, MODEM_CLKRST_LP_TIMER_SEL_8M_S);
+    SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 0, MODEM_CLKRST_LP_TIMER_SEL_RTC_SLOW_S);
+
+#ifdef CONFIG_XTAL_FREQ_26
+    // LP_TIMER_CLK_DIV_NUM -> 130
+    SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM, 129, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM_S);
+#else
+    // LP_TIMER_CLK_DIV_NUM -> 250
+    SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM, 249, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM_S);
+#endif // CONFIG_XTAL_FREQ_26
+
+    // MODEM_CLKRST_ETM_CLK_ACTIVE -> 1
+    // MODEM_CLKRST_ETM_CLK_SEL -> 0
+    SET_PERI_REG_BITS(MODEM_CLKRST_ETM_CLK_CONF_REG, 1, 1, MODEM_CLKRST_ETM_CLK_ACTIVE_S);
+    SET_PERI_REG_BITS(MODEM_CLKRST_ETM_CLK_CONF_REG, 1, 0, MODEM_CLKRST_ETM_CLK_SEL_S);
+
+}
+
+esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
+{
+    esp_err_t ret = ESP_OK;
+    ble_npl_count_info_t npl_info;
+    memset(&npl_info, 0, sizeof(ble_npl_count_info_t));
+    if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
+        return ESP_ERR_INVALID_STATE;
+    }
+
+    if (!cfg) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "cfg is NULL");
+        return ESP_ERR_INVALID_ARG;
+    }
+
+    ble_rtc_clk_init();
+
+    ret = esp_register_ext_funcs(&ext_funcs_ro);
+    if (ret != ESP_OK) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "register extend functions failed");
+        return ret;
+    }
+
+    /* Initialize the function pointers for OS porting */
+    npl_freertos_funcs_init();
+    struct npl_funcs_t *p_npl_funcs = npl_freertos_funcs_get();
+    if (!p_npl_funcs) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "npl functions get failed");
+        return ESP_ERR_INVALID_ARG;
+    }
+
+    ret = esp_register_npl_funcs(p_npl_funcs);
+    if (ret != ESP_OK) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "npl functions register failed");
+        goto free_mem;
+    }
+
+    ble_get_npl_element_info(cfg, &npl_info);
+    npl_freertos_set_controller_npl_info(&npl_info);
+    if (npl_freertos_mempool_init() != 0) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "npl mempool init failed");
+        ret = ESP_ERR_INVALID_ARG;
+        goto free_mem;
+    }
+
+    /* Initialize the global memory pool */
+    ret = os_msys_buf_alloc();
+    if (ret != ESP_OK) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "os msys alloc failed");
+        goto free_mem;
+    }
+
+    os_msys_init();
+#if CONFIG_BT_NIMBLE_ENABLED
+    // ble_npl_eventq_init() need to use npl function in rom and must be called after esp_bt_controller_init()
+    /* Initialize default event queue */
+    ble_npl_eventq_init(nimble_port_get_dflt_eventq());
+#endif
+    esp_phy_modem_init();
+    periph_module_enable(PERIPH_BT_MODULE);
+    periph_module_reset(PERIPH_BT_MODULE);
+
+    if (ble_osi_coex_funcs_register((struct osi_coex_funcs_t *)&s_osi_coex_funcs_ro) != 0) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "osi coex funcs reg failed");
+        ret = ESP_ERR_INVALID_ARG;
+        goto modem_deint;
+    }
+
+#if CONFIG_SW_COEXIST_ENABLE
+    coex_init();
+#endif
+
+    ret = ble_controller_init(cfg);
+    if (ret != ESP_OK) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "ble_controller_init failed %d", ret);
+        goto modem_deint;
+    }
+
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+    interface_func_t bt_controller_log_interface;
+    bt_controller_log_interface = esp_bt_controller_log_interface;
+    uint8_t buffers = 0;
+#if CONFIG_BT_LE_CONTROLLER_LOG_CTRL_ENABLED
+    buffers |= ESP_BLE_LOG_BUF_CONTROLLER;
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_CTRL_ENABLED
+#if CONFIG_BT_LE_CONTROLLER_LOG_HCI_ENABLED
+    buffers |= ESP_BLE_LOG_BUF_HCI;
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_HCI_ENABLED
+#if CONFIG_BT_LE_CONTROLLER_LOG_DUMP_ONLY
+    ret = ble_log_init_async(bt_controller_log_interface, false, buffers, (uint32_t *)log_bufs_size);
+#else
+    ret = ble_log_init_async(bt_controller_log_interface, true, buffers, (uint32_t *)log_bufs_size);
+#endif // CONFIG_BT_CONTROLLER_LOG_DUMP
+    if (ret != ESP_OK) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "ble_controller_log_init failed %d", ret);
+        goto controller_init_err;
+    }
+#endif // CONFIG_BT_CONTROLLER_LOG_ENABLED
+
+    ret = controller_sleep_init();
+    if (ret != ESP_OK) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "controller_sleep_init failed %d", ret);
+        goto free_controller;
+    }
+
+    uint8_t mac[6];
+    ESP_ERROR_CHECK(esp_read_mac((uint8_t *)mac, ESP_MAC_BT));
+
+    swap_in_place(mac, 6);
+
+    esp_ble_ll_set_public_addr(mac);
+
+    ble_controller_status = ESP_BT_CONTROLLER_STATUS_INITED;
+
+    ble_hci_trans_cfg_hs((ble_hci_trans_rx_cmd_fn *)ble_hci_unregistered_hook,NULL,
+                         (ble_hci_trans_rx_acl_fn *)ble_hci_unregistered_hook,NULL);
+    return ESP_OK;
+free_controller:
+    controller_sleep_deinit();
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+controller_init_err:
+    ble_log_deinit_async();
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+    ble_controller_deinit();
+modem_deint:
+    esp_phy_modem_deinit();
+    periph_module_disable(PERIPH_BT_MODULE);
+#if CONFIG_BT_NIMBLE_ENABLED
+    ble_npl_eventq_deinit(nimble_port_get_dflt_eventq());
+#endif // CONFIG_BT_NIMBLE_ENABLED
+free_mem:
+    os_msys_buf_free();
+    npl_freertos_mempool_deinit();
+    esp_unregister_npl_funcs();
+    npl_freertos_funcs_deinit();
+    esp_unregister_ext_funcs();
+    return ret;
+}
+
+esp_err_t esp_bt_controller_deinit(void)
+{
+    if ((ble_controller_status < ESP_BT_CONTROLLER_STATUS_INITED) || (ble_controller_status >= ESP_BT_CONTROLLER_STATUS_ENABLED)) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
+        return ESP_FAIL;
+    }
+
+    controller_sleep_deinit();
+
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+    ble_log_deinit_async();
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+    ble_controller_deinit();
+
+    periph_module_disable(PERIPH_BT_MODULE);
+
+#if CONFIG_BT_NIMBLE_ENABLED
+    /* De-initialize default event queue */
+    ble_npl_eventq_deinit(nimble_port_get_dflt_eventq());
+#endif
+    os_msys_buf_free();
+
+    esp_unregister_npl_funcs();
+
+    esp_unregister_ext_funcs();
+
+    /* De-initialize npl functions */
+    npl_freertos_funcs_deinit();
+
+    npl_freertos_mempool_deinit();
+
+    esp_phy_modem_deinit();
+
+    ble_controller_status = ESP_BT_CONTROLLER_STATUS_IDLE;
+
+    return ESP_OK;
+}
+
+esp_err_t esp_bt_controller_enable(esp_bt_mode_t mode)
+{
+    esp_err_t ret = ESP_OK;
+
+    if (mode != ESP_BT_MODE_BLE) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller mode");
+        return ESP_FAIL;
+    }
+    if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_INITED) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
+        return ESP_FAIL;
+    }
+    if (!s_ble_active) {
+#if CONFIG_PM_ENABLE
+        esp_pm_lock_acquire(s_pm_lock);
+#endif  // CONFIG_PM_ENABLE
+        // init phy
+        esp_phy_enable(PHY_MODEM_BT);
+        s_ble_active = true;
+    }
+    // init bb
+    bt_bb_v2_init_cmplx(1);
+
+#if CONFIG_SW_COEXIST_ENABLE
+    coex_enable();
+#endif
+    if (ble_controller_enable(mode) != 0) {
+        ret = ESP_FAIL;
+        goto error;
+    }
+
+    ble_controller_status = ESP_BT_CONTROLLER_STATUS_ENABLED;
+    return ESP_OK;
+
+error:
+#if CONFIG_SW_COEXIST_ENABLE
+    coex_disable();
+#endif
+    if (s_ble_active) {
+        esp_phy_disable(PHY_MODEM_BT);
+#if CONFIG_PM_ENABLE
+        esp_pm_lock_release(s_pm_lock);
+#endif  // CONFIG_PM_ENABLE
+        s_ble_active = false;
+    }
+    return ret;
+}
+
+esp_err_t esp_bt_controller_disable(void)
+{
+    if (ble_controller_status < ESP_BT_CONTROLLER_STATUS_ENABLED) {
+        ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
+        return ESP_FAIL;
+    }
+    if (ble_controller_disable() != 0) {
+        return ESP_FAIL;
+    }
+
+    if (s_ble_active) {
+        esp_phy_disable(PHY_MODEM_BT);
+#if CONFIG_PM_ENABLE
+        esp_pm_lock_release(s_pm_lock);
+#endif  // CONFIG_PM_ENABLE
+        s_ble_active = false;
+    }
+#if CONFIG_SW_COEXIST_ENABLE
+    coex_disable();
+#endif
+    ble_controller_status = ESP_BT_CONTROLLER_STATUS_INITED;
+    return ESP_OK;
+}
+
+esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
+{
+    ESP_LOGD(NIMBLE_PORT_LOG_TAG, "%s not implemented, return OK", __func__);
+    return ESP_OK;
+}
+
+static esp_err_t try_heap_caps_add_region(intptr_t start, intptr_t end)
+{
+    int ret = heap_caps_add_region(start, end);
+    /* heap_caps_add_region() returns ESP_ERR_INVALID_SIZE if the memory region is
+     * is too small to fit a heap. This cannot be termed as a fatal error and hence
+     * we replace it by ESP_OK
+     */
+    if (ret == ESP_ERR_INVALID_SIZE) {
+        return ESP_OK;
+    }
+    return ret;
+}
+
+esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
+{
+    intptr_t mem_start, mem_end;
+
+#if CONFIG_BT_RELEASE_IRAM && CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT
+    /* Release Bluetooth text section and merge Bluetooth data, bss & text into a large free heap
+     * region when esp_bt_mem_release is called, total saving ~21kB or more of IRAM. ESP32-C2 has
+     * only 3 configurable PMP entries available, rest of them are hard-coded. We cannot split the
+     * memory into 3 different regions (IRAM, BLE-IRAM, DRAM). So `ESP_SYSTEM_PMP_IDRAM_SPLIT` needs
+     * to be disabled.
+     */
+    ESP_LOGE(NIMBLE_PORT_LOG_TAG, "`ESP_SYSTEM_PMP_IDRAM_SPLIT` should be disabled!");
+    assert(0);
+#endif // CONFIG_BT_RELEASE_IRAM && CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT
+
+    if (mode & ESP_BT_MODE_BLE) {
+#if CONFIG_BT_RELEASE_IRAM
+        mem_start = (intptr_t)MAP_IRAM_TO_DRAM((intptr_t)&_iram_bt_text_start);
+        mem_end = (intptr_t)&_bss_bt_end;
+#else
+        mem_start = (intptr_t)&_bt_controller_data_start;
+        mem_end = (intptr_t)&_bt_bss_end;
+#endif // CONFIG_BT_RELEASE_IRAM
+        if (mem_start != mem_end) {
+            ESP_LOGI(NIMBLE_PORT_LOG_TAG, "Release BLE [0x%08x] - [0x%08x], len %d", mem_start,
+                     mem_end, mem_end - mem_start);
+            ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
+        }
+    }
+
+    return ESP_OK;
+}
+
+
+esp_bt_controller_status_t esp_bt_controller_get_status(void)
+{
+    return ble_controller_status;
+}
+
+/* extra functions */
+esp_err_t esp_ble_tx_power_set(esp_ble_power_type_t power_type, esp_power_level_t power_level)
+{
+    esp_err_t stat = ESP_FAIL;
+
+    switch (power_type) {
+    case ESP_BLE_PWR_TYPE_DEFAULT:
+    case ESP_BLE_PWR_TYPE_ADV:
+    case ESP_BLE_PWR_TYPE_SCAN:
+        if (ble_txpwr_set(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0, power_level) == 0) {
+            stat = ESP_OK;
+        }
+        break;
+    case ESP_BLE_PWR_TYPE_CONN_HDL0:
+    case ESP_BLE_PWR_TYPE_CONN_HDL1:
+    case ESP_BLE_PWR_TYPE_CONN_HDL2:
+    case ESP_BLE_PWR_TYPE_CONN_HDL3:
+    case ESP_BLE_PWR_TYPE_CONN_HDL4:
+    case ESP_BLE_PWR_TYPE_CONN_HDL5:
+    case ESP_BLE_PWR_TYPE_CONN_HDL6:
+    case ESP_BLE_PWR_TYPE_CONN_HDL7:
+    case ESP_BLE_PWR_TYPE_CONN_HDL8:
+        if (ble_txpwr_set(ESP_BLE_ENHANCED_PWR_TYPE_CONN, power_type, power_level) == 0) {
+            stat = ESP_OK;
+        }
+        break;
+    default:
+        stat = ESP_ERR_NOT_SUPPORTED;
+        break;
+    }
+
+    return stat;
+}
+
+esp_err_t esp_ble_tx_power_set_enhanced(esp_ble_enhanced_power_type_t power_type, uint16_t handle, esp_power_level_t power_level)
+{
+    esp_err_t stat = ESP_FAIL;
+    switch (power_type) {
+    case ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT:
+    case ESP_BLE_ENHANCED_PWR_TYPE_SCAN:
+    case ESP_BLE_ENHANCED_PWR_TYPE_INIT:
+        if (ble_txpwr_set(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0, power_level) == 0) {
+            stat = ESP_OK;
+        }
+        break;
+    case ESP_BLE_ENHANCED_PWR_TYPE_ADV:
+    case ESP_BLE_ENHANCED_PWR_TYPE_CONN:
+        if (ble_txpwr_set(power_type, handle, power_level) == 0) {
+            stat = ESP_OK;
+        }
+        break;
+    default:
+        stat = ESP_ERR_NOT_SUPPORTED;
+        break;
+    }
+
+    return stat;
+}
+
+esp_power_level_t esp_ble_tx_power_get(esp_ble_power_type_t power_type)
+{
+    int tx_level = 0;
+
+    switch (power_type) {
+    case ESP_BLE_PWR_TYPE_ADV:
+    case ESP_BLE_PWR_TYPE_SCAN:
+    case ESP_BLE_PWR_TYPE_DEFAULT:
+        tx_level = ble_txpwr_get(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0);
+        break;
+    case ESP_BLE_PWR_TYPE_CONN_HDL0:
+    case ESP_BLE_PWR_TYPE_CONN_HDL1:
+    case ESP_BLE_PWR_TYPE_CONN_HDL2:
+    case ESP_BLE_PWR_TYPE_CONN_HDL3:
+    case ESP_BLE_PWR_TYPE_CONN_HDL4:
+    case ESP_BLE_PWR_TYPE_CONN_HDL5:
+    case ESP_BLE_PWR_TYPE_CONN_HDL6:
+    case ESP_BLE_PWR_TYPE_CONN_HDL7:
+    case ESP_BLE_PWR_TYPE_CONN_HDL8:
+        tx_level = ble_txpwr_get(ESP_BLE_ENHANCED_PWR_TYPE_CONN, power_type);
+        break;
+    default:
+        return ESP_PWR_LVL_INVALID;
+    }
+
+    if (tx_level < 0) {
+        return ESP_PWR_LVL_INVALID;
+    }
+
+    return (esp_power_level_t)tx_level;
+}
+
+esp_power_level_t esp_ble_tx_power_get_enhanced(esp_ble_enhanced_power_type_t power_type, uint16_t handle)
+{
+    int tx_level = 0;
+
+    switch (power_type) {
+    case ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT:
+    case ESP_BLE_ENHANCED_PWR_TYPE_SCAN:
+    case ESP_BLE_ENHANCED_PWR_TYPE_INIT:
+        tx_level = ble_txpwr_get(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0);
+        break;
+    case ESP_BLE_ENHANCED_PWR_TYPE_ADV:
+    case ESP_BLE_ENHANCED_PWR_TYPE_CONN:
+        tx_level = ble_txpwr_get(power_type, handle);
+        break;
+    default:
+        return ESP_PWR_LVL_INVALID;
+    }
+
+    if (tx_level < 0) {
+       return ESP_PWR_LVL_INVALID;
+    }
+
+    return (esp_power_level_t)tx_level;
+}
+
+uint8_t esp_ble_get_chip_rev_version(void)
+{
+    return efuse_ll_get_chip_wafer_version_minor();
+}
+
+#if CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+static void esp_bt_controller_log_interface(uint32_t len, const uint8_t *addr, bool end)
+{
+    for (int i = 0; i < len; i++) {
+        esp_rom_printf("%02x ", addr[i]);
+    }
+    if (end) {
+        esp_rom_printf("\n");
+    }
+}
+
+void esp_ble_controller_log_dump_all(bool output)
+{
+    portMUX_TYPE spinlock = portMUX_INITIALIZER_UNLOCKED;
+
+    portENTER_CRITICAL_SAFE(&spinlock);
+    esp_panic_handler_reconfigure_wdts(5000);
+    BT_ASSERT_PRINT("\r\n[DUMP_START:");
+    ble_log_async_output_dump_all(output);
+    BT_ASSERT_PRINT(":DUMP_END]\r\n");
+    portEXIT_CRITICAL_SAFE(&spinlock);
+}
+#endif // CONFIG_BT_LE_CONTROLLER_LOG_ENABLED
+
+#if (!CONFIG_BT_NIMBLE_ENABLED) && (CONFIG_BT_CONTROLLER_ENABLED)
+#if CONFIG_BT_LE_SM_LEGACY || CONFIG_BT_LE_SM_SC
+#define BLE_SM_KEY_ERR 0x17
+#if CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+#include "mbedtls/aes.h"
+#if CONFIG_BT_LE_SM_SC
+#include "mbedtls/cipher.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/cmac.h"
+#include "mbedtls/ecdh.h"
+#include "mbedtls/ecp.h"
+
+static mbedtls_ecp_keypair keypair;
+#endif // CONFIG_BT_LE_SM_SC
+
+#else
+#include "tinycrypt/aes.h"
+#include "tinycrypt/constants.h"
+#include "tinycrypt/utils.h"
+
+#if CONFIG_BT_LE_SM_SC
+#include "tinycrypt/cmac_mode.h"
+#include "tinycrypt/ecc_dh.h"
+#endif // CONFIG_BT_LE_SM_SC
+#endif // CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+
+/* Based on Core Specification 4.2 Vol 3. Part H 2.3.5.6.1 */
+static const uint8_t ble_sm_alg_dbg_priv_key[32] = {
+    0x3f, 0x49, 0xf6, 0xd4, 0xa3, 0xc5, 0x5f, 0x38, 0x74, 0xc9, 0xb3, 0xe3,
+    0xd2, 0x10, 0x3f, 0x50, 0x4a, 0xff, 0x60, 0x7b, 0xeb, 0x40, 0xb7, 0x99,
+    0x58, 0x99, 0xb8, 0xa6, 0xcd, 0x3c, 0x1a, 0xbd
+};
+
+int ble_sm_alg_gen_dhkey(const uint8_t *peer_pub_key_x, const uint8_t *peer_pub_key_y,
+                         const uint8_t *our_priv_key, uint8_t *out_dhkey)
+{
+    uint8_t dh[32];
+    uint8_t pk[64];
+    uint8_t priv[32];
+    int rc = BLE_SM_KEY_ERR;
+
+    swap_buf(pk, peer_pub_key_x, 32);
+    swap_buf(&pk[32], peer_pub_key_y, 32);
+    swap_buf(priv, our_priv_key, 32);
+
+#if CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+    struct mbedtls_ecp_point pt = {0}, Q = {0};
+    mbedtls_mpi z = {0}, d = {0};
+    mbedtls_ctr_drbg_context ctr_drbg = {0};
+    mbedtls_entropy_context entropy = {0};
+
+    uint8_t pub[65] = {0};
+    /* Hardcoded first byte of pub key for MBEDTLS_ECP_PF_UNCOMPRESSED */
+    pub[0] = 0x04;
+    memcpy(&pub[1], pk, 64);
+
+    /* Initialize the required structures here */
+    mbedtls_ecp_point_init(&pt);
+    mbedtls_ecp_point_init(&Q);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_mpi_init(&d);
+    mbedtls_mpi_init(&z);
+
+    /* Below 3 steps are to validate public key on curve secp256r1 */
+    if (mbedtls_ecp_group_load(&keypair.MBEDTLS_PRIVATE(grp), MBEDTLS_ECP_DP_SECP256R1) != 0) {
+        goto exit;
+    }
+
+    if (mbedtls_ecp_point_read_binary(&keypair.MBEDTLS_PRIVATE(grp), &pt, pub, 65) != 0) {
+        goto exit;
+    }
+
+    if (mbedtls_ecp_check_pubkey(&keypair.MBEDTLS_PRIVATE(grp), &pt) != 0) {
+        goto exit;
+    }
+
+    /* Set PRNG */
+    if ((rc = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0)) != 0) {
+        goto exit;
+    }
+
+    /* Prepare point Q from pub key */
+    if (mbedtls_ecp_point_read_binary(&keypair.MBEDTLS_PRIVATE(grp), &Q, pub, 65) != 0) {
+        goto exit;
+    }
+
+    if (mbedtls_mpi_read_binary(&d, priv, 32) != 0) {
+        goto exit;
+    }
+
+    rc = mbedtls_ecdh_compute_shared(&keypair.MBEDTLS_PRIVATE(grp), &z, &Q, &d,
+                                     mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (rc != 0) {
+        goto exit;
+    }
+
+    rc = mbedtls_mpi_write_binary(&z, dh, 32);
+    if (rc != 0) {
+        goto exit;
+    }
+
+exit:
+    mbedtls_ecp_point_free(&pt);
+    mbedtls_mpi_free(&z);
+    mbedtls_mpi_free(&d);
+    mbedtls_ecp_point_free(&Q);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    if (rc != 0) {
+        return BLE_SM_KEY_ERR;
+    }
+
+#else
+    if (uECC_valid_public_key(pk, &curve_secp256r1) < 0) {
+        return BLE_SM_KEY_ERR;
+    }
+
+    rc = uECC_shared_secret(pk, priv, dh, &curve_secp256r1);
+    if (rc == TC_CRYPTO_FAIL) {
+        return BLE_SM_KEY_ERR;
+    }
+#endif // CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+
+    swap_buf(out_dhkey, dh, 32);
+    return 0;
+}
+
+#if CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+static int mbedtls_gen_keypair(uint8_t *public_key, uint8_t *private_key)
+{
+    int rc = BLE_SM_KEY_ERR;
+    mbedtls_entropy_context entropy = {0};
+    mbedtls_ctr_drbg_context ctr_drbg = {0};
+
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_ecp_keypair_init(&keypair);
+
+    if ((rc = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                    NULL, 0)) != 0) {
+        goto exit;
+    }
+
+    if ((rc = mbedtls_ecp_gen_key(MBEDTLS_ECP_DP_SECP256R1, &keypair,
+                                  mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        goto exit;
+    }
+
+    if ((rc = mbedtls_mpi_write_binary(&keypair.MBEDTLS_PRIVATE(d), private_key, 32)) != 0) {
+        goto exit;
+    }
+
+    size_t olen = 0;
+    uint8_t pub[65] = {0};
+
+    if ((rc = mbedtls_ecp_point_write_binary(&keypair.MBEDTLS_PRIVATE(grp), &keypair.MBEDTLS_PRIVATE(Q), MBEDTLS_ECP_PF_UNCOMPRESSED,
+              &olen, pub, 65)) != 0) {
+        goto exit;
+    }
+
+    memcpy(public_key, &pub[1], 64);
+
+exit:
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
+    if (rc != 0) {
+        mbedtls_ecp_keypair_free(&keypair);
+        return BLE_SM_KEY_ERR;
+    }
+
+    return 0;
+}
+#endif  // CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+
+/**
+ * pub: 64 bytes
+ * priv: 32 bytes
+ */
+int ble_sm_alg_gen_key_pair(uint8_t *pub, uint8_t *priv)
+{
+#if CONFIG_BT_LE_SM_SC_DEBUG_KEYS
+    swap_buf(pub, ble_sm_alg_dbg_pub_key, 32);
+    swap_buf(&pub[32], &ble_sm_alg_dbg_pub_key[32], 32);
+    swap_buf(priv, ble_sm_alg_dbg_priv_key, 32);
+#else
+    uint8_t pk[64];
+
+    do {
+#if CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+        if (mbedtls_gen_keypair(pk, priv) != 0) {
+            return BLE_SM_KEY_ERR;
+        }
+#else
+        if (uECC_make_key(pk, priv, &curve_secp256r1) != TC_CRYPTO_SUCCESS) {
+            return BLE_SM_KEY_ERR;
+        }
+#endif  // CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
+        /* Make sure generated key isn't debug key. */
+    } while (memcmp(priv, ble_sm_alg_dbg_priv_key, 32) == 0);
+
+    swap_buf(pub, pk, 32);
+    swap_buf(&pub[32], &pk[32], 32);
+    swap_in_place(priv, 32);
+#endif // CONFIG_BT_LE_SM_SC_DEBUG_KEYS
+    return 0;
+}
+
+#endif // CONFIG_BT_LE_SM_LEGACY || CONFIG_BT_LE_SM_SC
+#endif // (!CONFIG_BT_NIMBLE_ENABLED) && (CONFIG_BT_CONTROLLER_ENABLED)
+
diff --git a/lib/bt/controller/esp32c2/esp_bt_cfg.h b/lib/bt/controller/esp32c2/esp_bt_cfg.h
new file mode 100644
index 00000000..308d79e3
--- /dev/null
+++ b/lib/bt/controller/esp32c2/esp_bt_cfg.h
@@ -0,0 +1,220 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef __ESP_BT_CFG_H__
+#define __ESP_BT_CFG_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if CONFIG_BT_NIMBLE_ENABLED
+#include "syscfg/syscfg.h"
+#endif
+
+#define NIMBLE_LL_STACK_SIZE CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE
+
+#if CONFIG_BT_NIMBLE_ENABLED
+
+    #if CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_CODED_PHY
+    #define BLE_LL_SCAN_PHY_NUMBER_N (2)
+    #else
+    #define BLE_LL_SCAN_PHY_NUMBER_N (1)
+    #endif
+
+    #define DEFAULT_BT_LE_MAX_PERIODIC_ADVERTISER_LIST MYNEWT_VAL(BLE_MAX_PERIODIC_ADVERTISER_LIST)
+    #define DEFAULT_BT_LE_MAX_PERIODIC_SYNCS MYNEWT_VAL(BLE_MAX_PERIODIC_SYNCS)
+    #define DEFAULT_BT_LE_MAX_CONNECTIONS MYNEWT_VAL(BLE_MAX_CONNECTIONS)
+    #define DEFAULT_BT_LE_ACL_BUF_SIZE MYNEWT_VAL(BLE_TRANSPORT_ACL_SIZE)
+    #define DEFAULT_BT_LE_ACL_BUF_COUNT MYNEWT_VAL(BLE_TRANSPORT_ACL_FROM_LL_COUNT)
+    #define DEFAULT_BT_LE_HCI_EVT_BUF_SIZE MYNEWT_VAL(BLE_TRANSPORT_EVT_SIZE)
+    #define DEFAULT_BT_LE_EXT_ADV_MAX_SIZE MYNEWT_VAL(BLE_EXT_ADV_MAX_SIZE)
+    #define DEFAULT_BT_LE_MAX_EXT_ADV_INSTANCES MYNEWT_VAL(BLE_MULTI_ADV_INSTANCES)
+    #define DEFAULT_BT_NIMBLE_WHITELIST_SIZE MYNEWT_VAL(BLE_LL_WHITELIST_SIZE)
+    #define DEFAULT_BT_LE_HCI_EVT_HI_BUF_COUNT MYNEWT_VAL(BLE_TRANSPORT_EVT_COUNT)
+    #define DEFAULT_BT_LE_HCI_EVT_LO_BUF_COUNT MYNEWT_VAL(BLE_TRANSPORT_EVT_DISCARDABLE_COUNT)
+    #if defined(CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT)
+    #define DEFAULT_BT_LE_50_FEATURE_SUPPORT (1)
+    #else
+    #define DEFAULT_BT_LE_50_FEATURE_SUPPORT (0)
+    #endif
+
+#else
+
+    #if CONFIG_BT_LE_LL_CFG_FEAT_LE_CODED_PHY
+    #define BLE_LL_SCAN_PHY_NUMBER_N (2)
+    #else
+    #define BLE_LL_SCAN_PHY_NUMBER_N (1)
+    #endif
+
+    #if defined(CONFIG_BT_LE_MAX_PERIODIC_ADVERTISER_LIST)
+        #define DEFAULT_BT_LE_MAX_PERIODIC_ADVERTISER_LIST (CONFIG_BT_LE_MAX_PERIODIC_ADVERTISER_LIST)
+    #else
+        #define DEFAULT_BT_LE_MAX_PERIODIC_ADVERTISER_LIST (5)
+    #endif
+
+    #if defined(CONFIG_BT_LE_MAX_PERIODIC_SYNCS)
+        #define DEFAULT_BT_LE_MAX_PERIODIC_SYNCS (CONFIG_BT_LE_MAX_PERIODIC_SYNCS)
+    #else
+        #define DEFAULT_BT_LE_MAX_PERIODIC_SYNCS (1)
+    #endif
+
+    #if defined(CONFIG_BT_LE_MAX_CONNECTIONS)
+        #define DEFAULT_BT_LE_MAX_CONNECTIONS (CONFIG_BT_LE_MAX_CONNECTIONS)
+    #else
+        #define DEFAULT_BT_LE_MAX_CONNECTIONS (2)
+    #endif
+
+    #if defined(CONFIG_BT_LE_ACL_BUF_SIZE)
+        #define DEFAULT_BT_LE_ACL_BUF_SIZE (CONFIG_BT_LE_ACL_BUF_SIZE)
+    #else
+        #define DEFAULT_BT_LE_ACL_BUF_SIZE (255)
+    #endif
+
+    #if defined(CONFIG_BT_LE_ACL_BUF_COUNT)
+        #define DEFAULT_BT_LE_ACL_BUF_COUNT (CONFIG_BT_LE_ACL_BUF_COUNT)
+    #else
+        #define DEFAULT_BT_LE_ACL_BUF_COUNT (24)
+    #endif
+
+    #if defined(CONFIG_BT_LE_HCI_EVT_BUF_SIZE)
+        #define DEFAULT_BT_LE_HCI_EVT_BUF_SIZE (CONFIG_BT_LE_HCI_EVT_BUF_SIZE)
+    #else
+        #define DEFAULT_BT_LE_HCI_EVT_BUF_SIZE (70)
+    #endif
+
+    #if defined(CONFIG_BT_LE_EXT_ADV_MAX_SIZE)
+        #define DEFAULT_BT_LE_EXT_ADV_MAX_SIZE (CONFIG_BT_LE_EXT_ADV_MAX_SIZE)
+    #else
+        #define DEFAULT_BT_LE_EXT_ADV_MAX_SIZE (31)
+    #endif
+
+    #if defined(CONFIG_BT_LE_MAX_EXT_ADV_INSTANCES)
+        #define DEFAULT_BT_LE_MAX_EXT_ADV_INSTANCES (CONFIG_BT_LE_MAX_EXT_ADV_INSTANCES)
+    #else
+        #define DEFAULT_BT_LE_MAX_EXT_ADV_INSTANCES (1)
+    #endif
+
+    #if defined(CONFIG_BT_LE_WHITELIST_SIZE)
+        #define DEFAULT_BT_NIMBLE_WHITELIST_SIZE (CONFIG_BT_LE_WHITELIST_SIZE)
+    #else
+        #define DEFAULT_BT_NIMBLE_WHITELIST_SIZE (12)
+    #endif
+
+    #if defined(CONFIG_BT_LE_HCI_EVT_HI_BUF_COUNT)
+        #define DEFAULT_BT_LE_HCI_EVT_HI_BUF_COUNT (CONFIG_BT_LE_HCI_EVT_HI_BUF_COUNT)
+    #else
+        #define DEFAULT_BT_LE_HCI_EVT_HI_BUF_COUNT (30)
+    #endif
+
+    #if defined(CONFIG_BT_LE_HCI_EVT_LO_BUF_COUNT)
+        #define DEFAULT_BT_LE_HCI_EVT_LO_BUF_COUNT (CONFIG_BT_LE_HCI_EVT_LO_BUF_COUNT)
+    #else
+        #define DEFAULT_BT_LE_HCI_EVT_LO_BUF_COUNT (8)
+    #endif
+    #if defined(CONFIG_BT_LE_50_FEATURE_SUPPORT)
+        #define DEFAULT_BT_LE_50_FEATURE_SUPPORT (1)
+    #else
+        #define DEFAULT_BT_LE_50_FEATURE_SUPPORT (0)
+    #endif
+
+#endif
+
+#define DEFAULT_BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EFF CONFIG_BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EFF
+
+#ifdef CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+#define HCI_UART_EN CONFIG_BT_LE_HCI_INTERFACE_USE_UART
+#else
+#define HCI_UART_EN 0 // hci ram mode
+#endif
+
+#ifdef CONFIG_BT_LE_SLEEP_ENABLE
+#define NIMBLE_SLEEP_ENABLE CONFIG_BT_LE_SLEEP_ENABLE
+#else
+#define NIMBLE_SLEEP_ENABLE  0
+#endif
+
+
+#ifdef CONFIG_BT_LE_TX_CCA_ENABLED
+    #define DEFAULT_BT_LE_TX_CCA_ENABLED (CONFIG_BT_LE_TX_CCA_ENABLED)
+#else
+    #define DEFAULT_BT_LE_TX_CCA_ENABLED (0)
+#endif
+
+#ifdef CONFIG_BT_LE_CCA_RSSI_THRESH
+    #define DEFAULT_BT_LE_CCA_RSSI_THRESH (CONFIG_BT_LE_CCA_RSSI_THRESH)
+#else
+    #define DEFAULT_BT_LE_CCA_RSSI_THRESH (50)
+#endif
+
+#define DEFAULT_BT_LE_SCAN_RSP_DATA_MAX_LEN_N DEFAULT_BT_LE_EXT_ADV_MAX_SIZE
+
+
+#if HCI_UART_EN
+    #define DEFAULT_BT_LE_HCI_UART_TX_PIN (CONFIG_BT_LE_HCI_UART_TX_PIN)
+    #define DEFAULT_BT_LE_HCI_UART_RX_PIN (CONFIG_BT_LE_HCI_UART_RX_PIN)
+    #define DEFAULT_BT_LE_HCI_UART_PORT (CONFIG_BT_LE_HCI_UART_PORT)
+    #define DEFAULT_BT_LE_HCI_UART_BAUD (CONFIG_BT_LE_HCI_UART_BAUD)
+    #define DEFAULT_BT_LE_HCI_UART_DATA_BITS (UART_DATA_8_BITS)
+    #define DEFAULT_BT_LE_HCI_UART_STOP_BITS (UART_STOP_BITS_1)
+    #define DEFAULT_BT_LE_HCI_UART_PARITY (0)
+    #define DEFAULT_BT_LE_HCI_UART_TASK_STACK_SIZE (CONFIG_BT_LE_HCI_UART_TASK_STACK_SIZE)
+    #define DEFAULT_BT_LE_HCI_UART_FLOW_CTRL (0)
+#else
+    #define DEFAULT_BT_LE_HCI_UART_TX_PIN (0)
+    #define DEFAULT_BT_LE_HCI_UART_RX_PIN (0)
+    #define DEFAULT_BT_LE_HCI_UART_PORT (0)
+    #define DEFAULT_BT_LE_HCI_UART_BAUD (0)
+    #define DEFAULT_BT_LE_HCI_UART_DATA_BITS (0)
+    #define DEFAULT_BT_LE_HCI_UART_STOP_BITS (0)
+    #define DEFAULT_BT_LE_HCI_UART_PARITY (0)
+    #define DEFAULT_BT_LE_HCI_UART_TASK_STACK_SIZE (0)
+    #define DEFAULT_BT_LE_HCI_UART_FLOW_CTRL (0)
+#endif
+
+/* Unchanged configuration */
+
+#define BLE_LL_CTRL_PROC_TIMEOUT_MS_N       (40000) /* ms */
+
+#define BLE_LL_CFG_NUM_HCI_CMD_PKTS_N       (1)
+
+#define BLE_LL_SCHED_ADV_MAX_USECS_N        (852)
+
+#define BLE_LL_SCHED_DIRECT_ADV_MAX_USECS_N (502)
+
+#define BLE_LL_SCHED_MAX_ADV_PDU_USECS_N    (376)
+
+#define BLE_LL_SUB_VERS_NR_N                (0x0000)
+
+#define BLE_LL_JITTER_USECS_N               (16)
+
+#define BLE_PHY_MAX_PWR_DBM_N               (10)
+
+#define BLE_LL_CONN_DEF_AUTH_PYLD_TMO_N     (3000)
+
+#ifdef CONFIG_XTAL_FREQ_26
+    #define RTC_FREQ_N                      (40000) /* in Hz */
+#else
+    #define RTC_FREQ_N                      (32000) /* in Hz */
+#endif // CONFIG_XTAL_FREQ_26
+
+#define BLE_LL_TX_PWR_DBM_N                 (9)
+
+
+#define RUN_BQB_TEST                        (0)
+#define RUN_QA_TEST                         (0)
+#define NIMBLE_DISABLE_SCAN_BACKOFF         (0)
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ESP_BT_CFG_H__ */