Merge branch 'bugfix/BT-3491_v5.1' into 'release/v5.1'

bugfix(ble_mesh): Avoid provisioner handling messages from nodes that have...(v5.1)

See merge request espressif/esp-idf!28050

components/bt/esp_ble_mesh/README.md

@@ -15,7 +15,7 @@ The ESP-BLE-MESH networking enables many-to-many (m:m) device communications and
 - [FAQ](https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/esp_ble_mesh/ble_mesh_faq.html)
 - [API Reference](https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/bluetooth/ble_mesh.html)
 
- 
-### [ESP-BLE-MESH Examples](https://github.com/espressif/esp-idf/tree/master/examples/bluetooth/esp_ble_mesh)
+
+### [ESP-BLE-MESH Examples](../../../examples/bluetooth/esp_ble_mesh)
 
 - Refer to **ESP-BLE-MESH Examples** of [Getting Started](https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/esp_ble_mesh/index.html##getting-started-with-ble-mesh) for the tutorials of ESP BLE Mesh examples.

components/bt/esp_ble_mesh/mesh_core/net.c

@@ -1432,9 +1432,7 @@ static bool ignore_net_msg(uint16_t src, uint16_t dst)
     }
 
     if (IS_ENABLED(CONFIG_BLE_MESH_PROVISIONER) &&
-        bt_mesh_is_provisioner_en() &&
-        BLE_MESH_ADDR_IS_UNICAST(dst) &&
-        bt_mesh_elem_find(dst)) {
+        bt_mesh_is_provisioner_en()) {
         /* If the destination address of the message is the element
          * address of Provisioner, but Provisioner fails to find the
          * node in its provisioning database, then this message will

examples/bluetooth/esp_ble_mesh/ble_mesh_fast_provision/fast_prov_server/tutorial/EspBleMesh.md

@@ -12,7 +12,7 @@ A video of this example can be seen from [here](https://dl.espressif.com/BLE/pub
 
 > Note:
 > 
-> 1. Please flash the [`fast_prov_server`](https://github.com/espressif/esp-idf/tree/master/examples/bluetooth/esp_ble_mesh/ble_mesh_fast_provision/fast_prov_server) to the development boards first;
+> 1. Please flash the [`fast_prov_server`](../../) to the development boards first;
 > 2. To have a better understanding of the performance of the BLE Mesh network, we recommend that at least 3 devices should be added in your network.
 > 3. We recommend that you solder LED indicators if your development board does not come with lights. 
 > 4. Please check the type of board and LED pin definition enabled in `Example BLE Mesh Config` by running `idf.py menuconfig`