Merge branch 'espressif:release/v5.1' into release/v5.1

components/bt/CMakeLists.txt

@@ -24,6 +24,9 @@ if(CONFIG_BT_ENABLED)
         elseif(CONFIG_IDF_TARGET_ESP32C2)
             list(APPEND srcs "controller/esp32c2/bt.c")
             list(APPEND include_dirs include/esp32c2/include)
+            if(CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY)
+                list(APPEND srcs "controller/esp32c2/dummy.c")
+            endif()
             set(ldscripts "linker_esp32c2.lf")
 
         elseif(CONFIG_IDF_TARGET_ESP32C6)
@@ -781,16 +784,28 @@ if(CONFIG_BT_ENABLED)
     elseif(CONFIG_IDF_TARGET_ESP32C3)
         target_link_directories(${COMPONENT_LIB} INTERFACE
                 "${CMAKE_CURRENT_LIST_DIR}/controller/lib_esp32c3_family/esp32c3")
-        target_link_libraries(${COMPONENT_LIB} PUBLIC btdm_app)
+        if(CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY)
+            target_link_libraries(${COMPONENT_LIB} PUBLIC btdm_app_flash)
+        else()
+            target_link_libraries(${COMPONENT_LIB} PUBLIC btdm_app)
+        endif()
     elseif(CONFIG_IDF_TARGET_ESP32S3)
         target_link_directories(${COMPONENT_LIB} INTERFACE
                 "${CMAKE_CURRENT_LIST_DIR}/controller/lib_esp32c3_family/esp32s3")
-        target_link_libraries(${COMPONENT_LIB} PUBLIC btdm_app)
+        if(CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY)
+            target_link_libraries(${COMPONENT_LIB} PUBLIC btdm_app_flash)
+        else()
+            target_link_libraries(${COMPONENT_LIB} PUBLIC btdm_app)
+        endif()
     elseif(CONFIG_BT_CONTROLLER_ENABLED)
         if(CONFIG_IDF_TARGET_ESP32C6)
             add_prebuilt_library(libble_app "controller/lib_${target}/${target}-bt-lib/esp32c6/libble_app.a")
         else()
-            add_prebuilt_library(libble_app "controller/lib_${target}/${target}-bt-lib/libble_app.a")
+            if(CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY)
+                add_prebuilt_library(libble_app "controller/lib_${target}/${target}-bt-lib/libble_app_flash.a")
+            else()
+                add_prebuilt_library(libble_app "controller/lib_${target}/${target}-bt-lib/libble_app.a")
+            endif()
         endif()
         target_link_libraries(${COMPONENT_LIB} PRIVATE libble_app)
     endif()

components/bt/controller/esp32/Kconfig.in

@@ -406,6 +406,15 @@ config BTDM_CTRL_SCAN_BACKOFF_UPPERLIMITMAX
         minimize collision of scan request PDUs from nultiple scanners. If scan backoff is disabled, in active
         scanning, scan request PDU will be sent every time when HW receives scannable ADV PDU.
 
+config BTDM_CTRL_CHECK_CONNECT_IND_ACCESS_ADDRESS
+    bool "Enable enhanced Access Address check in CONNECT_IND"
+    default n
+    help
+        Enabling this option will add stricter verification of the Access Address in the CONNECT_IND PDU.
+        This improves security by ensuring that only connection requests with valid Access Addresses are accepted.
+        If disabled, only basic checks are applied, improving compatibility.
+
+
 config BTDM_BLE_ADV_REPORT_FLOW_CTRL_SUPP
     bool "BLE adv report flow control supported"
     depends on (BTDM_CTRL_MODE_BTDM || BTDM_CTRL_MODE_BLE_ONLY)
@@ -440,6 +449,23 @@ config BTDM_BLE_ADV_REPORT_DISCARD_THRSHOLD
         If you set `BTDM_BLE_ADV_REPORT_DISCARD_THRSHOLD` to a small value or printf every adv lost event, it
         may cause adv packets lost more.
 
+menu "BLE disconnect when instant passed"
+    config BTDM_BLE_LLCP_CONN_UPDATE
+        bool "BLE ACL connection update procedure"
+        depends on (BTDM_CTRL_MODE_BLE_ONLY || BTDM_CTRL_MODE_BTDM)
+        default n
+        help
+            If this option is enabled, Controller will terminate the connection
+            when instant passed during connection update procedure.
+
+    config BTDM_BLE_LLCP_CHAN_MAP_UPDATE
+        bool "BLE ACL channel map update procedure"
+        depends on (BTDM_CTRL_MODE_BLE_ONLY || BTDM_CTRL_MODE_BTDM)
+        default n
+        help
+            If this option is enabled, Controller will terminate the connection
+            when instant passed in channel map update procedure.
+endmenu
 
 config BTDM_RESERVE_DRAM
     hex

components/bt/controller/esp32c2/Kconfig.in

@@ -109,85 +109,99 @@ menuconfig BT_LE_50_FEATURE_SUPPORT
     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
+if BT_LE_50_FEATURE_SUPPORT
+    config BT_LE_LL_CFG_FEAT_LE_2M_PHY
+        bool "Enable 2M Phy"
+        depends on BT_LE_50_FEATURE_SUPPORT
+        default y
         help
-            Defines the length of the extended adv data. The value should not
-            exceed 1650.
+            Enable 2M-PHY
 
-    config BT_LE_ENABLE_PERIODIC_ADV
-        bool "Enable periodic advertisement."
+    config BT_LE_LL_CFG_FEAT_LE_CODED_PHY
+        bool "Enable coded Phy"
+        depends on BT_LE_50_FEATURE_SUPPORT
         default y
-        depends on BT_LE_EXT_ADV
         help
-            Enable this option to start periodic advertisement.
+            Enable coded-PHY
 
-    config BT_LE_PERIODIC_ADV_SYNC_TRANSFER
-        bool "Enable Transfer Sync Events"
-        depends on BT_LE_ENABLE_PERIODIC_ADV
+    config BT_LE_EXT_ADV
+        bool "Enable extended advertising"
+        depends on BT_LE_50_FEATURE_SUPPORT
         default y
         help
-            This enables controller transfer periodic sync events to host
+            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.
 
-endif
+        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_MAX_PERIODIC_SYNCS
-    int "Maximum number of periodic advertising syncs"
-    depends on BT_LE_50_FEATURE_SUPPORT && !BT_NIMBLE_ENABLED
+        config BT_LE_PERIODIC_ADV_SYNC_TRANSFER
+            bool "Enable Transfer Sync Events"
+            depends on BT_LE_ENABLE_PERIODIC_ADV
+            default y
+            help
+                This enables controller transfer periodic sync events to host
+    endif
 
-    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_EXT_SCAN
+        bool "Enable extended scanning"
+        depends on BT_LE_50_FEATURE_SUPPORT && BT_LE_ROLE_OBSERVER_ENABLE
+        default y
+        help
+            Enable this option to do extended scanning.
 
-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.
+    config BT_LE_ENABLE_PERIODIC_SYNC
+        bool "Enable periodic sync"
+        default y
+        depends on BT_LE_EXT_SCAN
+        help
+            Enable this option to receive periodic advertisement.
+
+    if BT_LE_ENABLE_PERIODIC_SYNC
+        config BT_LE_MAX_PERIODIC_SYNCS
+            int "Maximum number of periodic advertising syncs"
+            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"
+            range 1 5
+            default 5
+            help
+                Set this option to set the upper limit for number of periodic advertiser list.
+    endif
+endif
 
 menu "Memory Settings"
     depends on !BT_NIMBLE_ENABLED
@@ -522,6 +536,10 @@ config BT_LE_TX_CCA_ENABLED
     help
         Enable CCA feature to cancel sending the packet if the signal power is stronger than CCA threshold.
 
+config BT_LE_DTM_ENABLED
+    bool "Enable Direct Test Mode (DTM) feature"
+    default n
+
 config BT_LE_CCA_RSSI_THRESH
     int "CCA RSSI threshold value"
     depends on BT_LE_TX_CCA_ENABLED
@@ -530,6 +548,10 @@ config BT_LE_CCA_RSSI_THRESH
     help
         Power threshold of CCA in unit of -1 dBm.
 
+config BT_LE_FEAT_LL_ENCRYPTION
+    bool "Enable controller ACL encryption"
+    default y
+
 config BT_LE_ROLE_CENTROL_ENABLE
     bool "Enable BLE Centrol role function"
     depends on !BT_NIMBLE_ENABLED
@@ -616,3 +638,23 @@ config BT_LE_DFT_TX_POWER_LEVEL_DBM_EFF
     default 18 if BT_LE_DFT_TX_POWER_LEVEL_P18
     default 20 if BT_LE_DFT_TX_POWER_LEVEL_P20
     default 0
+
+config BT_CTRL_RUN_IN_FLASH_ONLY
+    bool "Reduce BLE IRAM usage (READ DOCS FIRST) (EXPERIMENTAL)"
+    default n
+    help
+        Move most IRAM into flash. This will increase the usage of flash and reduce ble performance.
+        Because the code is moved to the flash, the execution speed of the code is reduced.
+        To have a small impact on performance, you need to enable flash suspend (SPI_FLASH_AUTO_SUSPEND).
+
+        - Only one Tx-Rx can be performed in each connection interval. Therefore, reduce the connection interval
+          as much as possible to improve the throughput. If you want higher connection performance, you can
+          enable BT_LE_PLACE_CONN_RELATED_INTO_IRAM to put the connection-related code into iram.
+        - For HCI_LE_Extended_Create_Connection command, only 1M phy's connection parameters will be applied.
+          Other phys' will be ignored.
+        - For extended scanning, we may be unable to receive the extended adv with 300us MAFS.
+
+config BT_LE_PLACE_CONN_RELATED_INTO_IRAM
+    bool "Place the connection-related code into IRAM"
+    depends on BT_CTRL_RUN_IN_FLASH_ONLY
+    default n

components/bt/controller/esp32c2/bt.c

@@ -154,6 +154,10 @@ extern int ble_get_npl_element_info(esp_bt_controller_config_t *cfg, ble_npl_cou
 extern void bt_track_pll_cap(void);
 extern char *ble_controller_get_compile_version(void);
 extern const char *r_ble_controller_get_rom_compile_version(void);
+#if CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY
+extern void ble_ll_supported_features_init(void);
+#endif //CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY
+
 #if CONFIG_BT_RELEASE_IRAM
 extern uint32_t _iram_bt_text_start;
 extern uint32_t _bss_bt_end;
@@ -532,7 +536,12 @@ static int esp_ecc_gen_dh_key(const uint8_t *peer_pub_key_x, const uint8_t *peer
 
 static int esp_intr_alloc_wrapper(int source, int flags, intr_handler_t handler, void *arg, void **ret_handle_in)
 {
+#if CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY
+    int rc = esp_intr_alloc(source, flags, handler, arg, (intr_handle_t *)ret_handle_in);
+#else
     int rc = esp_intr_alloc(source, flags | ESP_INTR_FLAG_IRAM, handler, arg, (intr_handle_t *)ret_handle_in);
+#endif
+
     return rc;
 }
 
@@ -741,6 +750,8 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
         return ret;
     }
 
+    /* If we place the ble code into flash, don't need to initialize ROM. */
+#if !CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY
 #if DEFAULT_BT_LE_50_FEATURE_SUPPORT || DEFAULT_BT_LE_ROLE_CENTROL || DEFAULT_BT_LE_ROLE_OBSERVER
     extern int esp_ble_rom_func_ptr_init_all(void);
     esp_ble_rom_func_ptr_init_all();
@@ -749,6 +760,7 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
     extern int esp_ble_rom_func_ptr_init_legacy_adv_and_slave(void);
     esp_ble_rom_func_ptr_init_legacy_adv_and_slave();
 #endif
+#endif //!CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY
 
     /* Initialize the function pointers for OS porting */
     npl_freertos_funcs_init();
@@ -798,6 +810,11 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
 #if CONFIG_SW_COEXIST_ENABLE
     coex_init();
 #endif
+
+#if CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY
+    ble_ll_supported_features_init();
+#endif //CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY
+
     ret = ble_controller_init(cfg);
     if (ret != ESP_OK) {
         ESP_LOGW(NIMBLE_PORT_LOG_TAG, "ble_controller_init failed %d", ret);