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 <[email protected]>
>>> ---
>>> 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.
Regards
Marcel