Re: [PATCH v1] Bluetooth: btusb: Set HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for QCA

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On 4/27/2022 2:14 AM, Marcel Holtmann wrote:
> Hi,
> 
>>>> Set HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for QCA controllers since
>>>> they answer HCI_OP_READ_DEF_ERR_DATA_REPORTING with error code
>>>> "UNKNOWN HCI COMMAND" as shown below:
>>>>
>>>> [ 580.517552] Bluetooth: hci0: unexpected cc 0x0c5a length: 1 < 2
>>>> [ 580.517660] Bluetooth: hci0: Opcode 0x c5a failed: -38
>>>>
>>>> Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
>>>> ---
>>>> drivers/bluetooth/btusb.c | 2 ++
>>>> 1 file changed, 2 insertions(+)
>>>>
>>>> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
>>>> index 06a854a2507e..a33f8705f147 100644
>>>> --- a/drivers/bluetooth/btusb.c
>>>> +++ b/drivers/bluetooth/btusb.c
>>>> @@ -3340,6 +3340,8 @@ static int btusb_setup_qca(struct hci_dev *hdev)
>>>> 	 */
>>>> 	set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks);
>>>>
>>>> +	set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks);
>>>> +
>>>> 	return 0;
>>>> }
>>>
>>> please include the supported commands output from btmon that indicates that this hardware declares support for this command.
>>>
>> hcitool -i hci0 cmd 0x04 0x02
>> < HCI Command: ogf 0x04, ocf 0x0002, plen 0
>>> HCI Event: 0x0e plen 68
>> 01 02 10 00 FF FF FB 03 CE FF EF FF FF FF FF 1F F2 0F E8 FE
>> 3F F7 8F FF 1C 00 04 00 61 FF FF FF 7F BE 20 F5 FF F0 FF FF
>> FF FF FF FF FF EF FF FF FF FF 03 00 00 00 00 00 00 00 00 00
>> 00 00 00 00 00 00 00 00
>>
>> btmon output:
>> < HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0 5.414488
>>> HCI Event: Command Complete (0x0e) plen 68 5.419751
>>      Read Local Supported Commands (0x04|0x0002) ncmd 1
>>        Status: Success (0x00)
>>        Commands: 288 entries
>>          Inquiry (Octet 0 - Bit 0)
>>          Inquiry Cancel (Octet 0 - Bit 1)
>>          Periodic Inquiry Mode (Octet 0 - Bit 2)
>>          Exit Periodic Inquiry Mode (Octet 0 - Bit 3)
>>          Create Connection (Octet 0 - Bit 4)
>>          Disconnect (Octet 0 - Bit 5)
>>          Add SCO Connection (Octet 0 - Bit 6)
>>          Create Connection Cancel (Octet 0 - Bit 7)
>>          Accept Connection Request (Octet 1 - Bit 0)
>>          Reject Connection Request (Octet 1 - Bit 1)
>>          Link Key Request Reply (Octet 1 - Bit 2)
>>          Link Key Request Negative Reply (Octet 1 - Bit 3)
>>          PIN Code Request Reply (Octet 1 - Bit 4)
>>          PIN Code Request Negative Reply (Octet 1 - Bit 5)
>>          Change Connection Packet Type (Octet 1 - Bit 6)
>>          Authentication Requested (Octet 1 - Bit 7)
>>          Set Connection Encryption (Octet 2 - Bit 0)
>>          Change Connection Link Key (Octet 2 - Bit 1)
>>          Remote Name Request (Octet 2 - Bit 3)
>>          Remote Name Request Cancel (Octet 2 - Bit 4)
>>          Read Remote Supported Features (Octet 2 - Bit 5)
>>          Read Remote Extended Features (Octet 2 - Bit 6)
>>          Read Remote Version Information (Octet 2 - Bit 7)
>>          Read Clock Offset (Octet 3 - Bit 0)
>>          Read LMP Handle (Octet 3 - Bit 1)
>>          Hold Mode (Octet 4 - Bit 1)
>>          Sniff Mode (Octet 4 - Bit 2)
>>          Exit Sniff Mode (Octet 4 - Bit 3)
>>          QoS Setup (Octet 4 - Bit 6)
>>          Role Discovery (Octet 4 - Bit 7)
>>          Switch Role (Octet 5 - Bit 0)
>>          Read Link Policy Settings (Octet 5 - Bit 1)
>>          Write Link Policy Settings (Octet 5 - Bit 2)
>>          Read Default Link Policy Settings (Octet 5 - Bit 3)
>>          Write Default Link Policy Settings (Octet 5 - Bit 4)
>>          Flow Specification (Octet 5 - Bit 5)
>>          Set Event Mask (Octet 5 - Bit 6)
>>          Reset (Octet 5 - Bit 7)
>>          Set Event Filter (Octet 6 - Bit 0)
>>          Flush (Octet 6 - Bit 1)
>>          Read PIN Type (Octet 6 - Bit 2)
>>          Write PIN Type (Octet 6 - Bit 3)
>>          Read Stored Link Key (Octet 6 - Bit 5)
>>          Write Stored Link Key (Octet 6 - Bit 6)
>>          Delete Stored Link Key (Octet 6 - Bit 7)
>>          Write Local Name (Octet 7 - Bit 0)
>>          Read Local Name (Octet 7 - Bit 1)
>>          Read Connection Accept Timeout (Octet 7 - Bit 2)
>>          Write Connection Accept Timeout (Octet 7 - Bit 3)
>>          Read Page Timeout (Octet 7 - Bit 4)
>>          Write Page Timeout (Octet 7 - Bit 5)
>>          Read Scan Enable (Octet 7 - Bit 6)
>>          Write Scan Enable (Octet 7 - Bit 7)
>>          Read Page Scan Activity (Octet 8 - Bit 0)
>>          Write Page Scan Activity (Octet 8 - Bit 1)
>>          Read Inquiry Scan Activity (Octet 8 - Bit 2)
>>          Write Inquiry Scan Activity (Octet 8 - Bit 3)
>>          Read Authentication Enable (Octet 8 - Bit 4)
>>          Write Authentication Enable (Octet 8 - Bit 5)
>>          Read Encryption Mode (Octet 8 - Bit 6)
>>          Write Encryption Mode (Octet 8 - Bit 7)
>>          Read Class of Device (Octet 9 - Bit 0)
>>          Write Class of Device (Octet 9 - Bit 1)
>>          Read Voice Setting (Octet 9 - Bit 2)
>>          Write Voice Setting (Octet 9 - Bit 3)
>>          Read Automatic Flush Timeout (Octet 9 - Bit 4)
>>          Write Automatic Flush Timeout (Octet 9 - Bit 5)
>>          Read Num Broadcast Retransmissions (Octet 9 - Bit 6)
>>          Write Num Broadcast Retransmissions (Octet 9 - Bit 7)
>>          Read Hold Mode Activity (Octet 10 - Bit 0)
>>          Write Hold Mode Activity (Octet 10 - Bit 1)
>>          Read Transmit Power Level (Octet 10 - Bit 2)
>>          Read Sync Flow Control Enable (Octet 10 - Bit 3)
>>          Write Sync Flow Control Enable (Octet 10 - Bit 4)
>>          Set Controller To Host Flow Control (Octet 10 - Bit 5)
>>          Host Buffer Size (Octet 10 - Bit 6)
>>          Host Number of Completed Packets (Octet 10 - Bit 7)
>>          Read Link Supervision Timeout (Octet 11 - Bit 0)
>>          Write Link Supervision Timeout (Octet 11 - Bit 1)
>>          Read Number of Supported IAC (Octet 11 - Bit 2)
>>          Read Current IAC LAP (Octet 11 - Bit 3)
>>          Write Current IAC LAP (Octet 11 - Bit 4)
>>          Set AFH Host Channel Classification (Octet 12 - Bit 1)
>>          Read Inquiry Scan Type (Octet 12 - Bit 4)
>>          Write Inquiry Scan Type (Octet 12 - Bit 5)
>>          Read Inquiry Mode (Octet 12 - Bit 6)
>>          Write Inquiry Mode (Octet 12 - Bit 7)
>>          Read Page Scan Type (Octet 13 - Bit 0)
>>          Write Page Scan Type (Octet 13 - Bit 1)
>>          Read AFH Channel Assessment Mode (Octet 13 - Bit 2)
>>          Write AFH Channel Assessment Mode (Octet 13 - Bit 3)
>>          Read Local Version Information (Octet 14 - Bit 3)
>>          Read Local Supported Features (Octet 14 - Bit 5)
>>          Read Local Extended Features (Octet 14 - Bit 6)
>>          Read Buffer Size (Octet 14 - Bit 7)
>>          Read BD ADDR (Octet 15 - Bit 1)
>>          Read Failed Contact Counter (Octet 15 - Bit 2)
>>          Reset Failed Contact Counter (Octet 15 - Bit 3)
>>          Read Link Quality (Octet 15 - Bit 4)
>>          Read RSSI (Octet 15 - Bit 5)
>>          Read AFH Channel Map (Octet 15 - Bit 6)
>>          Read Clock (Octet 15 - Bit 7)
>>          Read Loopback Mode (Octet 16 - Bit 0)
>>          Write Loopback Mode (Octet 16 - Bit 1)
>>          Enable Device Under Test Mode (Octet 16 - Bit 2)
>>          Setup Synchronous Connection (Octet 16 - Bit 3)
>>          Accept Synchronous Connection Request (Octet 16 - Bit 4)
>>          Reject Synchronous Connection Request (Octet 16 - Bit 5)
>>          Read Extended Inquiry Response (Octet 17 - Bit 0)
>>          Write Extended Inquiry Response (Octet 17 - Bit 1)
>>          Refresh Encryption Key (Octet 17 - Bit 2)
>>          Sniff Subrating (Octet 17 - Bit 4)
>>          Read Simple Pairing Mode (Octet 17 - Bit 5)
>>          Write Simple Pairing Mode (Octet 17 - Bit 6)
>>          Read Local OOB Data (Octet 17 - Bit 7)
>>          Read Inquiry Response TX Power Level (Octet 18 - Bit 0)
>>          Write Inquiry Transmit Power Level (Octet 18 - Bit 1)
>>          Read Default Erroneous Data Reporting (Octet 18 - Bit 2)
>>          Write Default Erroneous Data Reporting (Octet 18 - Bit 3)
>>          IO Capability Request Reply (Octet 18 - Bit 7)
>>          User Confirmation Request Reply (Octet 19 - Bit 0)
>>          User Confirmation Request Neg Reply (Octet 19 - Bit 1)
>>          User Passkey Request Reply (Octet 19 - Bit 2)
>>          User Passkey Request Negative Reply (Octet 19 - Bit 3)
>>          Remote OOB Data Request Reply (Octet 19 - Bit 4)
>>          Write Simple Pairing Debug Mode (Octet 19 - Bit 5)
>>          Enhanced Flush (Octet 19 - Bit 6)
>>          Remote OOB Data Request Neg Reply (Octet 19 - Bit 7)
>>          Send Keypress Notification (Octet 20 - Bit 2)
>>          IO Capability Request Negative Reply (Octet 20 - Bit 3)
>>          Read Encryption Key Size (Octet 20 - Bit 4)
>>          Set Event Mask Page 2 (Octet 22 - Bit 2)
>>          Read Enhanced Transmit Power Level (Octet 24 - Bit 0)
>>          Read LE Host Supported (Octet 24 - Bit 5)
>>          Write LE Host Supported (Octet 24 - Bit 6)
>>          LE Set Event Mask (Octet 25 - Bit 0)
>>          LE Read Buffer Size (Octet 25 - Bit 1)
>>          LE Read Local Supported Features (Octet 25 - Bit 2)
>>          Octet 25 - Bit 3
>>          LE Set Random Address (Octet 25 - Bit 4)
>>          LE Set Advertising Parameters (Octet 25 - Bit 5)
>>          LE Read Advertising Channel TX Power (Octet 25 - Bit 6)
>>          LE Set Advertising Data (Octet 25 - Bit 7)
>>          LE Set Scan Response Data (Octet 26 - Bit 0)
>>          LE Set Advertise Enable (Octet 26 - Bit 1)
>>          LE Set Scan Parameters (Octet 26 - Bit 2)
>>          LE Set Scan Enable (Octet 26 - Bit 3)
>>          LE Create Connection (Octet 26 - Bit 4)
>>          LE Create Connection Cancel (Octet 26 - Bit 5)
>>          LE Read White List Size (Octet 26 - Bit 6)
>>          LE Clear White List (Octet 26 - Bit 7)
>>          LE Add Device To White List (Octet 27 - Bit 0)
>>          LE Remove Device From White List (Octet 27 - Bit 1)
>>          LE Connection Update (Octet 27 - Bit 2)
>>          LE Set Host Channel Classification (Octet 27 - Bit 3)
>>          LE Read Channel Map (Octet 27 - Bit 4)
>>          LE Read Remote Used Features (Octet 27 - Bit 5)
>>          LE Encrypt (Octet 27 - Bit 6)
>>          LE Rand (Octet 27 - Bit 7)
>>          LE Start Encryption (Octet 28 - Bit 0)
>>          LE Long Term Key Request Reply (Octet 28 - Bit 1)
>>          LE Long Term Key Request Neg Reply (Octet 28 - Bit 2)
>>          LE Read Supported States (Octet 28 - Bit 3)
>>          LE Receiver Test (Octet 28 - Bit 4)
>>          LE Transmitter Test (Octet 28 - Bit 5)
>>          LE Test End (Octet 28 - Bit 6)
>>          Octet 29 - Bit 1
>>          Octet 29 - Bit 2
>>          Enhanced Setup Synchronous Connection (Octet 29 - Bit 3)
>>          Enhanced Accept Synchronous Connection Request (Octet 29 - Bit 4)
>>          Read Local Supported Codecs (Octet 29 - Bit 5)
>>          Set External Frame Configuration (Octet 29 - Bit 7)
>>          Set Triggered Clock Capture (Octet 30 - Bit 5)
>>          Set Connectionless Slave Broadcast (Octet 31 - Bit 0)
>>          Start Synchronization Train (Octet 31 - Bit 2)
>>          Set Reserved LT_ADDR (Octet 31 - Bit 4)
>>          Delete Reserved LT_ADDR (Octet 31 - Bit 5)
>>          Set Connectionless Slave Broadcast Data (Octet 31 - Bit 6)
>>          Read Synchronization Train Parameters (Octet 31 - Bit 7)
>>          Write Synchronization Train Parameters (Octet 32 - Bit 0)
>>          Remote OOB Extended Data Request Reply (Octet 32 - Bit 1)
>>          Read Secure Connections Host Support (Octet 32 - Bit 2)
>>          Write Secure Connections Host Support (Octet 32 - Bit 3)
>>          Read Authenticated Payload Timeout (Octet 32 - Bit 4)
>>          Write Authenticated Payload Timeout (Octet 32 - Bit 5)
>>          Read Local OOB Extended Data (Octet 32 - Bit 6)
>>          Write Secure Connections Test Mode (Octet 32 - Bit 7)
>>          LE Remote Connection Parameter Request Reply (Octet 33 - Bit 4)
>>          LE Remote Connection Parameter Request Negative Reply (Octet 33 - Bit 5)
>>          LE Set Data Length (Octet 33 - Bit 6)
>>          LE Read Suggested Default Data Length (Octet 33 - Bit 7)
>>          LE Write Suggested Default Data Length (Octet 34 - Bit 0)
>>          LE Read Local P-256 Public Key (Octet 34 - Bit 1)
>>          LE Generate DHKey (Octet 34 - Bit 2)
>>          LE Add Device To Resolving List (Octet 34 - Bit 3)
>>          LE Remove Device From Resolving List (Octet 34 - Bit 4)
>>          LE Clear Resolving List (Octet 34 - Bit 5)
>>          LE Read Resolving List Size (Octet 34 - Bit 6)
>>          LE Read Peer Resolvable Address (Octet 34 - Bit 7)
>>          LE Read Local Resolvable Address (Octet 35 - Bit 0)
>>          LE Set Address Resolution Enable (Octet 35 - Bit 1)
>>          LE Set Resolvable Private Address Timeout (Octet 35 - Bit 2)
>>          LE Read Maximum Data Length (Octet 35 - Bit 3)
>>          Octet 35 - Bit 4
>>          Octet 35 - Bit 5
>>          Octet 35 - Bit 6
>>          Octet 35 - Bit 7
>>          Octet 36 - Bit 0
>>          Octet 36 - Bit 1
>>          Octet 36 - Bit 2
>>          Octet 36 - Bit 3
>>          Octet 36 - Bit 4
>>          Octet 36 - Bit 5
>>          Octet 36 - Bit 6
>>          Octet 36 - Bit 7
>>          Octet 37 - Bit 0
>>          Octet 37 - Bit 1
>>          Octet 37 - Bit 2
>>          Octet 37 - Bit 3
>>          Octet 37 - Bit 4
>>          Octet 37 - Bit 5
>>          Octet 37 - Bit 6
>>          Octet 37 - Bit 7
>>          Octet 38 - Bit 0
>>          Octet 38 - Bit 1
>>          Octet 38 - Bit 2
>>          Octet 38 - Bit 3
>>          Octet 38 - Bit 4
>>          Octet 38 - Bit 5
>>          Octet 38 - Bit 6
>>          Octet 38 - Bit 7
>>          Octet 39 - Bit 0
>>          Octet 39 - Bit 1
>>          Octet 39 - Bit 2
>>          Octet 39 - Bit 3
>>          Octet 39 - Bit 4
>>          Octet 39 - Bit 5
>>          Octet 39 - Bit 6
>>          Octet 39 - Bit 7
>>          Octet 40 - Bit 0
>>          Octet 40 - Bit 1
>>          Octet 40 - Bit 2
>>          Octet 40 - Bit 3
>>          Octet 40 - Bit 4
>>          Octet 40 - Bit 5
>>          Octet 40 - Bit 6
>>          Octet 40 - Bit 7
>>          Octet 41 - Bit 0
>>          Octet 41 - Bit 1
>>          Octet 41 - Bit 2
>>          Octet 41 - Bit 3
>>          Octet 41 - Bit 5
>>          Octet 41 - Bit 6
>>          Octet 41 - Bit 7
>>          Octet 42 - Bit 0
>>          Octet 42 - Bit 1
>>          Octet 42 - Bit 2
>>          Octet 42 - Bit 3
>>          Octet 42 - Bit 4
>>          Octet 42 - Bit 5
>>          Octet 42 - Bit 6
>>          Octet 42 - Bit 7
>>          Octet 43 - Bit 0
>>          Octet 43 - Bit 1
>>          Octet 43 - Bit 2
>>          Octet 43 - Bit 3
>>          Octet 43 - Bit 4
>>          Octet 43 - Bit 5
>>          Octet 43 - Bit 6
>>          Octet 43 - Bit 7
>>          Octet 44 - Bit 0
>>          Octet 44 - Bit 1
>>          Octet 44 - Bit 2
>>          Octet 44 - Bit 3
>>          Octet 44 - Bit 4
>>          Octet 44 - Bit 5
>>          Octet 44 - Bit 6
>>          Octet 44 - Bit 7
>>          Octet 45 - Bit 0
>>          Octet 45 - Bit 1
>>          Octet 45 - Bit 2
>>          Octet 45 - Bit 3
>>          Octet 45 - Bit 4
>>          Octet 45 - Bit 5
>>          Octet 45 - Bit 6
>>          Octet 45 - Bit 7
>>          Octet 46 - Bit 0
>>          Octet 46 - Bit 1
> 
> you might want to use a recent btmon. However can you show how the Read Default Erroneous Data Reporting is failing? It sounds like this hardware is fundamentally broken.
> 
# hcitool -i hci0 cmd 0x03 0x5a
< HCI Command: ogf 0x03, ocf 0x005a, plen 0
> HCI Event: 0x0e plen 4
  01 5A 0C 01

btmon output:
@ RAW Open: hcitool (privileged) version 2.22                                                                                          {0x0002} 331.950253
< HCI Command: Read Default Erroneous Data Reporting (0x03|0x005a) plen 0                                                                    #1 331.950535
> HCI Event: Command Complete (0x0e) plen 4                                                                                                  #2 331.951421
      Read Default Erroneous Data Reporting (0x03|0x005a) ncmd 1
        Status: Unknown HCI Command (0x01)
@ RAW Close: hcitool                                                                                                                   

> Regards
> 
> Marcel
> 




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