Merge branch 'feat/support_bleqabr24_1539_v5.0' into 'release/v5.0'

feat(bt/bluedroid): Added config for saving BLE bonding keys to NVS (v5.0)

See merge request espressif/esp-idf!35600

Author: Isl2017

components/bt/host/bluedroid/Kconfig.in

@@ -305,6 +305,13 @@ config BT_BLE_SMP_ID_RESET_ENABLE
         of a previously paired peer to be used to determine whether a device
         with which it previously shared an IRK is within range.
 
+config BT_BLE_SMP_BOND_NVS_FLASH
+    bool "Save SMP bonding keys to nvs flash"
+    depends on BT_BLE_SMP_ENABLE
+    default y
+    help
+        This select can save SMP bonding keys to nvs flash
+
 config BT_STACK_NO_LOG
     bool "Disable BT debug logs (minimize bin size)"
     depends on BT_BLUEDROID_ENABLED

components/bt/host/bluedroid/btc/core/btc_dm.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -182,11 +182,12 @@ static void btc_dm_remove_ble_bonding_keys(void)
     btc_storage_remove_ble_bonding_keys(&bd_addr);
 }
 
+#if BLE_SMP_BOND_NVS_FLASH
 static void btc_dm_save_ble_bonding_keys(void)
 {
     if (!(btc_dm_cb.pairing_cb.ble.is_penc_key_rcvd || btc_dm_cb.pairing_cb.ble.is_pid_key_rcvd || btc_dm_cb.pairing_cb.ble.is_pcsrk_key_rcvd ||
-         btc_dm_cb.pairing_cb.ble.is_lenc_key_rcvd || btc_dm_cb.pairing_cb.ble.is_lcsrk_key_rcvd || btc_dm_cb.pairing_cb.ble.is_lidk_key_rcvd)) {
-        return ;
+        btc_dm_cb.pairing_cb.ble.is_lenc_key_rcvd || btc_dm_cb.pairing_cb.ble.is_lcsrk_key_rcvd || btc_dm_cb.pairing_cb.ble.is_lidk_key_rcvd)) {
+        return;
     }
     bt_bdaddr_t bd_addr;
 
@@ -244,13 +245,13 @@ static void btc_dm_save_ble_bonding_keys(void)
         btc_dm_cb.pairing_cb.ble.is_lidk_key_rcvd = false;
     }
 }
+#endif
 
 static void btc_dm_ble_auth_cmpl_evt (tBTA_DM_AUTH_CMPL *p_auth_cmpl)
 {
     /* Save link key, if not temporary */
     BTC_TRACE_DEBUG("%s, status = %d", __func__, p_auth_cmpl->success);
     bt_status_t status = BT_STATUS_FAIL;
-    int addr_type;
     bt_bdaddr_t bdaddr;
     bdcpy(bdaddr.address, p_auth_cmpl->bd_addr);
     bdcpy(btc_dm_cb.pairing_cb.bd_addr, p_auth_cmpl->bd_addr);
@@ -266,6 +267,9 @@ static void btc_dm_ble_auth_cmpl_evt (tBTA_DM_AUTH_CMPL *p_auth_cmpl)
             return;
         }
 
+#if BLE_SMP_BOND_NVS_FLASH
+        int addr_type;
+
         if (btc_dm_cb.pairing_cb.ble.is_pid_key_rcvd) {
             // delete unused section in NVS
             btc_storage_remove_unused_sections(p_auth_cmpl->bd_addr, &btc_dm_cb.pairing_cb.ble.pid_key);
@@ -276,6 +280,7 @@ static void btc_dm_ble_auth_cmpl_evt (tBTA_DM_AUTH_CMPL *p_auth_cmpl)
         }
         btc_storage_set_ble_dev_auth_mode(&bdaddr, p_auth_cmpl->auth_mode, true);
         btc_dm_save_ble_bonding_keys();
+#endif
     } else {
         /*Map the HCI fail reason  to  bt status  */
         switch (p_auth_cmpl->fail_reason) {

components/bt/host/bluedroid/btc/core/btc_main.c

@@ -122,6 +122,11 @@ uint32_t btc_get_ble_status(void)
 {
     uint32_t status = BTC_BLE_STATUS_IDLE;
 
+    if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
+        BTC_TRACE_ERROR("%s Bluedroid not enabled", __func__);
+        return status;
+    }
+
     #if (BLE_INCLUDED == TRUE)
     // Number of active advertising
     extern uint8_t btm_ble_adv_active_count(void);

components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h

@@ -222,6 +222,12 @@
 #define UC_BT_BLE_SMP_ID_RESET_ENABLE FALSE
 #endif
 
+#ifdef CONFIG_BT_BLE_SMP_BOND_NVS_FLASH
+#define UC_BT_BLE_SMP_BOND_NVS_FLASH CONFIG_BT_BLE_SMP_BOND_NVS_FLASH
+#else
+#define UC_BT_BLE_SMP_BOND_NVS_FLASH FALSE
+#endif
+
 //Device Name Maximum Length
 #ifdef CONFIG_BT_MAX_DEVICE_NAME_LEN
 #define UC_MAX_LOC_BD_NAME_LEN  CONFIG_BT_MAX_DEVICE_NAME_LEN

components/bt/host/bluedroid/common/include/common/bt_target.h

@@ -288,6 +288,12 @@
 #define BLE_SMP_ID_RESET_ENABLE          FALSE
 #endif
 
+#if (UC_BT_BLE_SMP_BOND_NVS_FLASH)
+#define BLE_SMP_BOND_NVS_FLASH      TRUE
+#else
+#define BLE_SMP_BOND_NVS_FLASH      FALSE
+#endif
+
 #ifdef UC_BTDM_BLE_ADV_REPORT_FLOW_CTRL_SUPP
 #define BLE_ADV_REPORT_FLOW_CONTROL         (UC_BTDM_BLE_ADV_REPORT_FLOW_CTRL_SUPP && BLE_INCLUDED)
 #endif /* UC_BTDM_BLE_ADV_REPORT_FLOW_CTRL_SUPP */