When a user initiates pairing with a BLE Bluetooth mouse,
MGMT_STATUS_CONNECT_FAILED(0x04) is returned with a low
probability, resulting in pairing failure. To improve
user experience, retry bonding is performed when
MGMT_STATUS_CONNECT_FAILED is returned.
log:
bluetoothd[1539]: src/adapter.c:pair_device_complete() Connect Failed (0x04)
bluetoothd[1539]: src/adapter.c:bonding_attempt_complete() hci0 bdaddr DD:EC:0F:57:A9:2E type 2 status 0x4
bluetoothd[1539]: src/device.c:device_bonding_complete() bonding 0x5591f87230 status 0x04
bluetoothd[1539]: src/device.c:btd_device_set_temporary() temporary 1
bluetoothd[1539]: src/device.c:device_bonding_failed() status 4
HCI package:
Frame 2969: 7 bytes on wire (56 bits), 7 bytes captured (56 bits)
Bluetooth
Bluetooth HCI H4
Bluetooth HCI Event - Disconnect Complete
Event Code: Disconnect Complete (0x05)
Parameter Total Length: 4
Status: Success (0x00)
Connection Handle: 0x0040
Reason: Connection Failed to be Established (0x3e)
---
src/adapter.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/adapter.c b/src/adapter.c
index bdc5bf920..ca5eb077c 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -8367,6 +8367,16 @@ static void bonding_attempt_complete(struct btd_adapter *adapter,
}
}
+ if (status == MGMT_STATUS_CONNECT_FAILED) {
+ if (device != NULL) {
+
+ DBG("status is 0x%x, retry it.", status);
+
+ if (device_bonding_attempt_retry(device) == 0)
+ return;
+ }
+ }
+
/* Ignore disconnects during retry. */
if (status == MGMT_STATUS_DISCONNECTED &&
device && device_is_retrying(device))
--
2.20.1
