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sm: accept pairing request after classic role change

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This commit is contained in:
Matthias Ringwald 2024-07-01 17:56:57 +02:00
parent 8e0bef02fe
commit dc3e249654
1 changed files with 15 additions and 0 deletions
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15
src/ble/sm.c
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@ -4874,6 +4874,21 @@ static void sm_pdu_handler(sm_connection_t *sm_conn, uint8_t sm_pdu_code, const
}
break;
case SM_BR_EDR_INITIATOR_W4_FIXED_CHANNEL_MASK:
//
// Bluetooth Core v5.4 does not indicate which device sends the SM Pairing Request infor this case.
//
// When initiating the Classic connection and initiating authentication and there's a Role Change during connect
// - Android 14 sends SM Pairing Request
// - iOS 16 waits for SM Pairing Request
//
// Workaround: we accept Peripheral Role and SM Pairing Request in Central Role
sm_conn->sm_role = HCI_ROLE_SLAVE;
sm_conn->sm_engine_state = SM_BR_EDR_RESPONDER_W4_PAIRING_REQUEST;
/* fall through */
case SM_BR_EDR_RESPONDER_W4_PAIRING_REQUEST:
if (sm_pdu_code != SM_CODE_PAIRING_REQUEST){
sm_pdu_received_in_wrong_state(sm_conn);