Merge branch 'bugfix/unable_to_load_bonded_ble_devices_from_nvs_v4.3' into 'release/v4.3'

fix(bt/bluedroid): ble fails to load bonded device info after reboot(backport v4.3)

See merge request espressif/esp-idf!26474

components/bt/common/osi/config.c

@@ -262,6 +262,32 @@ bool config_remove_section(config_t *config, const char *section)
     return list_remove(config->sections, sec);
 }
 
+bool config_update_newest_section(config_t *config, const char *section)
+{
+    assert(config != NULL);
+    assert(section != NULL);
+
+    list_node_t *first_node = list_begin(config->sections);
+    if (first_node == NULL) {
+        return false;
+    }
+    section_t *first_sec = list_node(first_node);
+    if (strcmp(first_sec->name, section) == 0) {
+        return true;
+    }
+
+    for (const list_node_t *node = list_begin(config->sections); node != list_end(config->sections); node = list_next(node)) {
+        section_t *sec = list_node(node);
+        if (strcmp(sec->name, section) == 0) {
+            list_delete(config->sections, sec);
+            list_prepend(config->sections, sec);
+            return true;
+        }
+    }
+
+    return false;
+}
+
 bool config_remove_key(config_t *config, const char *section, const char *key)
 {
     assert(config != NULL);

components/bt/common/osi/include/osi/config.h

@@ -107,6 +107,11 @@ void config_set_string(config_t *config, const char *section, const char *key, c
 // Neither |config| nor |section| may be NULL.
 bool config_remove_section(config_t *config, const char *section);
 
+// Updates |section| to be the first section in |config|. Return true if |section| is in
+// |config| and updated successfully, false otherwise.
+// Neither |config| nor |section| may be NULL.
+bool config_update_newest_section(config_t *config, const char *section);
+
 // Removes one specific |key| residing in |section| of the |config|. Returns true
 // if the section and key were found and the key was removed, false otherwise.
 // None of |config|, |section|, or |key| may be NULL.

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

@@ -1,16 +1,8 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+/*
-//
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
-// Licensed under the Apache License, Version 2.0 (the "License");
+ *
-// you may not use this file except in compliance with the License.
+ * SPDX-License-Identifier: Apache-2.0
-// You may obtain a copy of the License at
+ */
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 #include <string.h>
 
@@ -30,7 +22,7 @@ static void _btc_storage_save(void)
 {
     uint16_t addr_section_count = 0;
     bt_bdaddr_t bd_addr;
-    uint32_t device_type = 0;
+
     const btc_config_section_iter_t *need_remove_iter = NULL;
     const btc_config_section_iter_t *iter = btc_config_section_begin();
 
@@ -55,9 +47,7 @@ static void _btc_storage_save(void)
             continue;
         }
 
-        if (!string_is_bdaddr(section) ||
+        if (!string_is_bdaddr(section)) {
-            !btc_config_get_int(section, BTC_BLE_STORAGE_DEV_TYPE_STR, (int *)&device_type) ||
-            ((device_type & BT_DEVICE_TYPE_BLE) != BT_DEVICE_TYPE_BLE)) {
             iter = btc_config_section_next(iter);
             continue;
         }
@@ -72,16 +62,15 @@ static void _btc_storage_save(void)
     if (need_remove_iter) {
         while(need_remove_iter != btc_config_section_end()) {
             const char *need_remove_section = btc_config_section_name(need_remove_iter);
-            if (!string_is_bdaddr(need_remove_section) ||
+            if (!string_is_bdaddr(need_remove_section)) {
-                !btc_config_get_int(need_remove_section, BTC_BLE_STORAGE_DEV_TYPE_STR, (int *)&device_type) ||
-                ((device_type & BT_DEVICE_TYPE_BLE) != BT_DEVICE_TYPE_BLE)) {
                 need_remove_iter = btc_config_section_next(need_remove_iter);
                 continue;
             }
             need_remove_iter = btc_config_section_next(need_remove_iter);
             //delete device info
             string_to_bdaddr(need_remove_section, &bd_addr);
-            BTM_SecDeleteDevice(bd_addr.address, BT_TRANSPORT_LE);
+            BTA_DmRemoveDevice(bd_addr.address, BT_TRANSPORT_LE);
+            BTA_DmRemoveDevice(bd_addr.address, BT_TRANSPORT_BR_EDR);
             //delete config info
             if(btc_config_remove_section(need_remove_section)) {
                 BTIF_TRACE_WARNING("exceeded the maximum nubmer of bonded devices, delete the last device info : %s", need_remove_section);
@@ -766,7 +755,7 @@ static void _btc_read_le_key(const uint8_t key_type, const size_t key_len, bt_bd
         *key_found = true;
     }
 }
-static bt_status_t _btc_storage_in_fetch_bonded_ble_device(const char *remote_bd_addr, int add)
+bt_status_t _btc_storage_in_fetch_bonded_ble_device(const char *remote_bd_addr, int add)
 {
     uint32_t device_type;
     int addr_type;
@@ -808,58 +797,13 @@ static bt_status_t _btc_storage_in_fetch_bonded_ble_device(const char *remote_bd
 
     if (key_found) {
         return BT_STATUS_SUCCESS;
+    } else {
+        BTC_TRACE_DEBUG("Remote device:%s, no link key or ble key found", remote_bd_addr);
     }
 
     return BT_STATUS_FAIL;
 }
 
-static bt_status_t btc_storage_in_fetch_bonded_ble_devices(int add)
-{
-    bt_status_t status = BT_STATUS_FAIL;
-    uint32_t device_type = 0;
-
-    btc_config_lock();
-    for (const btc_config_section_iter_t *iter = btc_config_section_begin(); iter != btc_config_section_end();
-            iter = btc_config_section_next(iter)) {
-        const char *name = btc_config_section_name(iter);
-
-        if (!string_is_bdaddr(name) ||
-            !btc_config_get_int(name, BTC_BLE_STORAGE_DEV_TYPE_STR, (int *)&device_type) ||
-            ((device_type & BT_DEVICE_TYPE_BLE) != BT_DEVICE_TYPE_BLE)) {
-            continue;
-        }
-        BTC_TRACE_DEBUG("%s, name = %s", __func__, name);
-        if (_btc_storage_in_fetch_bonded_ble_device(name, add) != BT_STATUS_SUCCESS) {
-            BTC_TRACE_DEBUG("Remote device:%s, no link key or ble key found", name);
-        } else {
-            status = BT_STATUS_SUCCESS;
-        }
-    }
-    btc_config_unlock();
-
-    return status;
-}
-
-/*******************************************************************************
-**
-** Function         btc_storage_load_bonded_devices
-**
-** Description      btc storage API - Loads all the bonded devices from NVRAM
-**                  and adds to the BTA.
-**                  Additionally, this API also invokes the adaper_properties_cb
-**                  and remote_device_properties_cb for each of the bonded devices.
-**
-** Returns          BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
-**
-*******************************************************************************/
-bt_status_t btc_storage_load_bonded_ble_devices(void)
-{
-    bt_status_t status;
-    status = btc_storage_in_fetch_bonded_ble_devices(1);
-    BTC_TRACE_DEBUG("Storage load rslt %d\n", status);
-    return status;
-}
-
 bt_status_t btc_storage_get_bonded_ble_devices_list(esp_ble_bond_dev_t *bond_dev, int dev_num)
 {
     bt_bdaddr_t bd_addr;

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

@@ -307,6 +307,14 @@ bool btc_config_remove_section(const char *section)
     return config_remove_section(config, section);
 }
 
+bool btc_config_update_newest_section(const char *section)
+{
+    assert(config != NULL);
+    assert(section != NULL);
+
+    return config_update_newest_section(config, section);
+}
+
 void btc_config_flush(void)
 {
     assert(config != NULL);

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

@@ -692,6 +692,7 @@ static void btc_dm_acl_link_stat(tBTA_DM_ACL_LINK_STAT *p_acl_link_stat)
 #if (BTC_GAP_BT_INCLUDED == TRUE)
     esp_bt_gap_cb_param_t param;
     esp_bt_gap_cb_event_t event = ESP_BT_GAP_EVT_MAX;
+    bt_bdaddr_t bt_addr;
 
     switch (p_acl_link_stat->event) {
     case BTA_ACL_LINK_STAT_CONN_CMPL: {
@@ -714,6 +715,17 @@ static void btc_dm_acl_link_stat(tBTA_DM_ACL_LINK_STAT *p_acl_link_stat)
     }
     }
 
+    if (p_acl_link_stat->event == BTA_ACL_LINK_STAT_CONN_CMPL &&
+        p_acl_link_stat->link_act.conn_cmpl.status == HCI_SUCCESS) {
+        memcpy(bt_addr.address, p_acl_link_stat->link_act.conn_cmpl.bd_addr, sizeof(bt_addr.address));
+        if (btc_storage_update_active_device(&bt_addr)) {
+            BTC_TRACE_EVENT("Device: %02x:%02x:%02x:%02x:%02x:%02x, is not in bond list",
+                            bt_addr.address[0], bt_addr.address[1],
+                            bt_addr.address[2], bt_addr.address[3],
+                            bt_addr.address[4], bt_addr.address[5]);
+        }
+    }
+
     esp_bt_gap_cb_t cb = (esp_bt_gap_cb_t)btc_profile_cb_get(BTC_PID_GAP_BT);
     if (cb) {
         cb(event, &param);
@@ -745,11 +757,8 @@ void btc_dm_sec_cb_handler(btc_msg_t *msg)
     case BTA_DM_ENABLE_EVT: {
         btc_clear_services_mask();
 #if (SMP_INCLUDED == TRUE)
-        btc_storage_load_bonded_devices();
-#if (BLE_INCLUDED == TRUE)
         //load the bonding device to the btm layer
-        btc_storage_load_bonded_ble_devices();
+        btc_storage_load_bonded_devices();
-#endif  ///BLE_INCLUDED == TRUE
 #endif  ///SMP_INCLUDED == TRUE
 
         /* Set initial device name, it can be overwritten later */

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

@@ -1,19 +1,12 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+/*
-//
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
-// Licensed under the Apache License, Version 2.0 (the "License");
+ *
-// you may not use this file except in compliance with the License.
+ * SPDX-License-Identifier: Apache-2.0
-// You may obtain a copy of the License at
+ */
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 #include <string.h>
 
 #include "btc/btc_storage.h"
+#include "btc/btc_ble_storage.h"
 #include "btc/btc_util.h"
 #include "osi/osi.h"
 #include "common/bt_trace.h"
@@ -41,8 +34,31 @@ bt_status_t btc_storage_add_bonded_device(bt_bdaddr_t *remote_bd_addr,
         BOOLEAN sc_support)
 {
     bdstr_t bdstr;
-
+    bt_bdaddr_t bd_addr;
     bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr));
+
+    /* device not in bond list and exceed the maximum number of bonded devices, delete the inactive bonded device */
+    if (btc_storage_get_num_all_bond_devices() >= BTM_SEC_MAX_DEVICE_RECORDS && !btc_config_has_section(bdstr)) {
+        const btc_config_section_iter_t *iter = btc_config_section_begin();
+        const btc_config_section_iter_t *remove_iter = iter;
+        /* find the first device(the last node) */
+        while (iter != btc_config_section_end()) {
+            remove_iter = iter;
+            iter = btc_config_section_next(iter);
+        }
+        const char *remove_section = btc_config_section_name(remove_iter);
+
+        // delete device info
+        string_to_bdaddr(remove_section, &bd_addr);
+        BTA_DmRemoveDevice(bd_addr.address, BT_TRANSPORT_BR_EDR);
+        BTA_DmRemoveDevice(bd_addr.address, BT_TRANSPORT_LE);
+
+        // delete config info
+        if (btc_config_remove_section(remove_section)) {
+            BTC_TRACE_WARNING("exceeded the maximum nubmer of bonded devices, delete the first device info : %s\n", remove_section);
+        }
+    }
+
     BTC_TRACE_DEBUG("add to storage: Remote device:%s\n", bdstr);
 
     btc_config_lock();
@@ -58,6 +74,46 @@ bt_status_t btc_storage_add_bonded_device(bt_bdaddr_t *remote_bd_addr,
     return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
 }
 
+#if (SMP_INCLUDED == TRUE)
+static bt_status_t _btc_storage_in_fetch_bonded_bt_device(const char *remote_bd_addr, int add)
+{
+    BOOLEAN bt_linkkey_file_found = FALSE;
+    UINT8 sc_support = 0;
+
+    BTC_TRACE_DEBUG("Remote device:%s\n", remote_bd_addr);
+    LINK_KEY link_key;
+        size_t size = sizeof(link_key);
+        if (btc_config_get_bin(remote_bd_addr, BTC_STORAGE_LINK_KEY_STR, link_key, &size)) {
+            int linkkey_type;
+            if (btc_config_get_int(remote_bd_addr, BTC_STORAGE_LINK_KEY_TYPE_STR, &linkkey_type)) {
+                bt_bdaddr_t bd_addr;
+                string_to_bdaddr(remote_bd_addr, &bd_addr);
+                if (add) {
+                    DEV_CLASS dev_class = {0, 0, 0};
+                    int cod;
+                    int pin_length = 0;
+                    if (btc_config_get_int(remote_bd_addr, BTC_STORAGE_DEV_CLASS_STR, &cod)) {
+                        uint2devclass((UINT32)cod, dev_class);
+                    }
+                    btc_config_get_int(remote_bd_addr, BTC_STORAGE_PIN_LENGTH_STR, &pin_length);
+                    size = sizeof(sc_support);
+                    btc_config_get_bin(remote_bd_addr, BTC_STORAGE_SC_SUPPORT, &sc_support, &size);
+
+                    BTA_DmAddDevice(bd_addr.address, dev_class, link_key, 0, 0,
+                                    (UINT8)linkkey_type, 0, pin_length, (UINT8)sc_support);
+                }
+                bt_linkkey_file_found = TRUE;
+            } else {
+                BTC_TRACE_ERROR("bounded device:%s, LinkKeyType or PinLength is invalid\n", remote_bd_addr);
+            }
+        }
+        if (!bt_linkkey_file_found) {
+            BTC_TRACE_DEBUG("Remote device:%s, no link key\n", remote_bd_addr);
+        }
+
+    return BT_STATUS_SUCCESS;
+}
+
 /*******************************************************************************
 **
 ** Function         btc_in_fetch_bonded_devices
@@ -70,8 +126,9 @@ bt_status_t btc_storage_add_bonded_device(bt_bdaddr_t *remote_bd_addr,
 *******************************************************************************/
 static bt_status_t btc_in_fetch_bonded_devices(int add)
 {
-    BOOLEAN bt_linkkey_file_found = FALSE;
+    bt_status_t status = BT_STATUS_FAIL;
-    UINT8 sc_support = 0;
+    uint16_t dev_cnt = 0;
+    const btc_config_section_iter_t *remove_iter = NULL;
 
     btc_config_lock();
     for (const btc_config_section_iter_t *iter = btc_config_section_begin(); iter != btc_config_section_end(); iter = btc_config_section_next(iter)) {
@@ -79,45 +136,45 @@ static bt_status_t btc_in_fetch_bonded_devices(int add)
         if (!string_is_bdaddr(name)) {
             continue;
         }
-
+        dev_cnt ++;
-        BTC_TRACE_DEBUG("Remote device:%s\n", name);
+        /* if the number of device stored in nvs not exceed to BTM_SEC_MAX_DEVICE_RECORDS, load it */
-        LINK_KEY link_key;
+        if (dev_cnt <= BTM_SEC_MAX_DEVICE_RECORDS) {
-        size_t size = sizeof(link_key);
+            if (btc_config_exist(name, BTC_STORAGE_LINK_KEY_TYPE_STR) && btc_config_exist(name, BTC_STORAGE_PIN_LENGTH_STR) &&
-        if (btc_config_get_bin(name, BTC_STORAGE_LINK_KEY_STR, link_key, &size)) {
+                btc_config_exist(name, BTC_STORAGE_SC_SUPPORT) && btc_config_exist(name, BTC_STORAGE_LINK_KEY_STR)) {
-            int linkkey_type;
+                /* load bt device */
-            if (btc_config_get_int(name, BTC_STORAGE_LINK_KEY_TYPE_STR, &linkkey_type)) {
+                status = _btc_storage_in_fetch_bonded_bt_device(name, add);
-                bt_bdaddr_t bd_addr;
-                string_to_bdaddr(name, &bd_addr);
-                if (add) {
-                    DEV_CLASS dev_class = {0, 0, 0};
-                    int cod;
-                    int pin_length = 0;
-                    if (btc_config_get_int(name, BTC_STORAGE_DEV_CLASS_STR, &cod)) {
-                        uint2devclass((UINT32)cod, dev_class);
             }
-                    btc_config_get_int(name, BTC_STORAGE_PIN_LENGTH_STR, &pin_length);
+            if (btc_config_exist(name, BTC_BLE_STORAGE_DEV_TYPE_STR)) {
-                    size = sizeof(sc_support);
+#if (BLE_INCLUDED == TRUE)
-                    btc_config_get_bin(name, BTC_STORAGE_SC_SUPPORT, &sc_support, &size);
+                /* load ble device */
-#if (SMP_INCLUDED == TRUE)
+                status = _btc_storage_in_fetch_bonded_ble_device(name, add);
-                    BTA_DmAddDevice(bd_addr.address, dev_class, link_key, 0, 0,
+#endif  ///BLE_INCLUDED == TRUE
-                                    (UINT8)linkkey_type, 0, pin_length, (UINT8)sc_support);
-#endif  ///SMP_INCLUDED == TRUE
             }
-                bt_linkkey_file_found = TRUE;
         } else {
-                BTC_TRACE_ERROR("bounded device:%s, LinkKeyType or PinLength is invalid\n", name);
+            /* delete the exceeded device info from nvs */
+            remove_iter = iter;
+            while (remove_iter != btc_config_section_end()) {
+                const char *remove_section = btc_config_section_name(remove_iter);
+                if (!string_is_bdaddr(remove_section)) {
+                    remove_iter = btc_config_section_next(remove_iter);
+                    continue;
+                }
+                remove_iter = btc_config_section_next(remove_iter);
+                /* delete config info */
+                if (btc_config_remove_section(remove_section)) {
+                    BTC_TRACE_WARNING("exceeded the maximum number of bonded devices, delete the exceed device info : %s", remove_section);
                 }
             }
-        if (!bt_linkkey_file_found) {
+            /* write into nvs */
-            BTC_TRACE_DEBUG("Remote device:%s, no link key\n", name);
+            btc_config_flush();
+            break;
         }
     }
     btc_config_unlock();
 
-    return BT_STATUS_SUCCESS;
+    return status;
 }
 
-
 /*******************************************************************************
 **
 ** Function         btc_storage_load_bonded_devices
@@ -137,6 +194,7 @@ bt_status_t btc_storage_load_bonded_devices(void)
     BTC_TRACE_DEBUG("Storage load rslt %d\n", status);
     return status;
 }
+#endif  ///SMP_INCLUDED == TRUE
 
 /*******************************************************************************
 **
@@ -247,3 +305,44 @@ bt_status_t btc_storage_get_bonded_bt_devices_list(bt_bdaddr_t *bond_dev, int *d
 
     return BT_STATUS_SUCCESS;
 }
+
+/*******************************************************************************
+**
+** Function         btc_storage_update_active_device
+**
+** Description      BTC storage API - Once an ACL link is established and remote
+**                  bd_addr is already stored in NVRAM, update the config and update
+**                  the remote device to be the newest active device, The updates will
+**                  not be stored into NVRAM immediately.
+**
+** Returns          BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
+**
+*******************************************************************************/
+bool btc_storage_update_active_device(bt_bdaddr_t *remote_bd_addr)
+{
+    bdstr_t bdstr;
+    bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr));
+    bool ret = false;
+    BTC_TRACE_DEBUG("Update active device: Remote device:%s\n", bdstr);
+
+    btc_config_lock();
+    ret = btc_config_update_newest_section(bdstr);
+    btc_config_unlock();
+
+    return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
+}
+
+int btc_storage_get_num_all_bond_devices(void) {
+    int num_dev = 0;
+
+    btc_config_lock();
+    for (const btc_config_section_iter_t *iter = btc_config_section_begin(); iter != btc_config_section_end();
+        iter = btc_config_section_next(iter)) {
+        const char *name = btc_config_section_name(iter);
+        if (string_is_bdaddr(name)) {
+            num_dev++;
+        }
+    }
+    btc_config_unlock();
+    return num_dev;
+}

components/bt/host/bluedroid/btc/include/btc/btc_ble_storage.h

@@ -61,6 +61,8 @@ bt_status_t btc_storage_remove_ble_bonding_keys(bt_bdaddr_t *remote_bd_addr);
 
 bool btc_storage_compare_address_key_value(bt_bdaddr_t *remote_bd_addr, uint8_t key_type, void *key_value, int key_length);
 
+bt_status_t _btc_storage_in_fetch_bonded_ble_device(const char *remote_bd_addr, int add);
+
 bt_status_t btc_storage_add_ble_local_key(char *key, uint8_t key_type, uint8_t key_length);
 
 bt_status_t btc_storage_remove_ble_local_keys(void);
@@ -83,8 +85,6 @@ bt_status_t btc_storage_set_ble_dev_type(bt_bdaddr_t *bd_addr, bool flush);
 
 bt_status_t btc_storage_remove_ble_dev_type(bt_bdaddr_t *remote_bd_addr, bool flush);
 
-bt_status_t btc_storage_load_bonded_ble_devices(void);
-
 bt_status_t btc_storage_get_bonded_ble_devices_list(esp_ble_bond_dev_t *bond_dev, int dev_num);
 
 int btc_storage_get_num_ble_bond_devices(void);

components/bt/host/bluedroid/btc/include/btc/btc_config.h

@@ -36,6 +36,7 @@ bool btc_config_get_bin(const char *section, const char *key, uint8_t *value, si
 bool btc_config_set_bin(const char *section, const char *key, const uint8_t *value, size_t length);
 bool btc_config_remove(const char *section, const char *key);
 bool btc_config_remove_section(const char *section);
+bool btc_config_update_newest_section(const char *section);
 
 size_t btc_config_get_bin_length(const char *section, const char *key);
 

components/bt/host/bluedroid/btc/include/btc/btc_storage.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+/*
-//
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
-// Licensed under the Apache License, Version 2.0 (the "License");
+ *
-// you may not use this file except in compliance with the License.
+ * SPDX-License-Identifier: Apache-2.0
-// You may obtain a copy of the License at
+ */
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 #ifndef __BTC_STORAGE_H__
 #define __BTC_STORAGE_H__
@@ -58,12 +50,14 @@ bt_status_t btc_storage_remove_bonded_device(bt_bdaddr_t *remote_bd_addr);
 
 /*******************************************************************************
 **
-** Function         btc_storage_remove_bonded_device
+** Function         btc_storage_load_bonded_devices
 **
-** Description      BTC storage API - Deletes the bonded device from NVRAM
+** Description      BTC storage API - Loads all the bonded devices from NVRAM
+**                  and adds to the BTA.
+**                  Additionally, this API also invokes the adaper_properties_cb
+**                  and remote_device_properties_cb for each of the bonded devices.
 **
-** Returns          BT_STATUS_SUCCESS if the deletion was successful,
+** Returns          BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
-**                  BT_STATUS_FAIL otherwise
 **
 *******************************************************************************/
 bt_status_t btc_storage_load_bonded_devices(void);
@@ -91,4 +85,29 @@ int btc_storage_get_num_bt_bond_devices(void);
 *******************************************************************************/
 bt_status_t btc_storage_get_bonded_bt_devices_list(bt_bdaddr_t *bond_dev, int *dev_num);
 
+/*******************************************************************************
+**
+** Function         btc_storage_get_num_all_bond_devices
+**
+** Description      BTC storage API - get all the num of the bonded device from NVRAM
+**
+** Returns          the num of the bonded device
+**
+*******************************************************************************/
+int btc_storage_get_num_all_bond_devices(void);
+
+/*******************************************************************************
+**
+** Function         btc_storage_update_active_device
+**
+** Description      BTC storage API - Once an ACL link is established and remote
+**                  bd_addr is already stored in NVRAM, update the config and update
+**                  the remote device to be the newest active device. The updates will
+**                  not be stored into NVRAM immediately.
+**
+** Returns          BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
+**
+*******************************************************************************/
+bool btc_storage_update_active_device(bt_bdaddr_t *remote_bd_addr);
+
 #endif /* BTC_STORAGE_H */

components/bt/host/bluedroid/btc/profile/std/gatt/btc_gattc.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
 
  *
  * SPDX-License-Identifier: Apache-2.0
@@ -15,6 +15,8 @@
 #include "common/bt_trace.h"
 #include "osi/allocator.h"
 #include "esp_gattc_api.h"
+#include "btc/btc_storage.h"
+#include "common/bt_defs.h"
 
 #if (GATTC_INCLUDED == TRUE)
 static inline void btc_gattc_cb_to_app(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param)
@@ -924,6 +926,15 @@ void btc_gattc_cb_handler(btc_msg_t *msg)
     }
     case BTA_GATTC_CONNECT_EVT: {
         tBTA_GATTC_CONNECT *connect = &arg->connect;
+        bt_bdaddr_t bt_addr;
+
+        memcpy(bt_addr.address, connect->remote_bda, sizeof(bt_addr.address));
+        if (btc_storage_update_active_device(&bt_addr)) {
+            BTC_TRACE_EVENT("Device: %02x:%02x:%02x:%02x:%02x:%02x, is not in bond list",
+                            bt_addr.address[0], bt_addr.address[1],
+                            bt_addr.address[2], bt_addr.address[3],
+                            bt_addr.address[4], bt_addr.address[5]);
+        }
 
         gattc_if = connect->client_if;
         param.connect.conn_id = BTC_GATT_GET_CONN_ID(connect->conn_id);

components/bt/host/bluedroid/btc/profile/std/gatt/btc_gatts.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -16,6 +16,8 @@
 #include "osi/allocator.h"
 #include "btc/btc_main.h"
 #include "esp_gatts_api.h"
+#include "btc/btc_storage.h"
+#include "common/bt_defs.h"
 
 #if (GATTS_INCLUDED == TRUE)
 
@@ -898,7 +900,16 @@ void btc_gatts_cb_handler(btc_msg_t *msg)
 
         btc_gatts_cb_to_app(ESP_GATTS_STOP_EVT, gatts_if, &param);
         break;
-    case BTA_GATTS_CONNECT_EVT:
+    case BTA_GATTS_CONNECT_EVT: {
+        bt_bdaddr_t bt_addr;
+        memcpy(bt_addr.address, p_data->conn.remote_bda, sizeof(bt_addr.address));
+        if (btc_storage_update_active_device(&bt_addr)) {
+            BTC_TRACE_EVENT("Device: %02x:%02x:%02x:%02x:%02x:%02x, is not in bond list",
+                            bt_addr.address[0], bt_addr.address[1],
+                            bt_addr.address[2], bt_addr.address[3],
+                            bt_addr.address[4], bt_addr.address[5]);
+        }
+
         gatts_if = p_data->conn.server_if;
         param.connect.conn_id = BTC_GATT_GET_CONN_ID(p_data->conn.conn_id);
         param.connect.link_role = p_data->conn.link_role;
@@ -910,6 +921,7 @@ void btc_gatts_cb_handler(btc_msg_t *msg)
         param.connect.conn_handle = p_data->conn.conn_handle;
         btc_gatts_cb_to_app(ESP_GATTS_CONNECT_EVT, gatts_if, &param);
         break;
+    }
     case BTA_GATTS_DISCONNECT_EVT:
         gatts_if = p_data->conn.server_if;
         param.disconnect.conn_id = BTC_GATT_GET_CONN_ID(p_data->conn.conn_id);