Re: [PATCH v2 4/7] Bluetooth: Add new quirk for non-persistent setup settings

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On Wed, 2018-05-23 at 14:31 +0200, Marcel Holtmann wrote:
> Hi Sean,
> 
> >> 
> >> [ ... ]
> >> 
> >>>> -	if (hci_dev_test_flag(hdev, HCI_SETUP)) {
> >>>> +	if (hci_dev_test_flag(hdev, HCI_SETUP) ||
> >>>> +	    test_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks)) {
> >>>> 		hci_sock_dev_event(hdev, HCI_DEV_SETUP);
> >>> 
> >>> I am not 100% sure that we want to send the HCI_DEV_SETUP event also multiple times. That is a userspace change that I would need to think about. We need to check create_monitor_event() and see what the btmon trace for this looks like. Can you send me a btmon -w trace.log when this change is active.
> >>> 
> >>> Regards
> >>> 
> >>> Marcel
> >>> 
> >> 
> >> Sure, I'll send you the trace.log with the change is active.
> >> 
> >> 	Sean
> >> 
> > 
> > 
> > Attached trace.log was captured when I inputted commands power on and
> > then off in bluetoothctl.
> 
> the trace.log is somehow mangled. Something is not fully correct. Can you read it with btmon -r trace.log?
> 
> Regards
> 
> Marcel
> 

Yes, I can read it with btmon -r trace.log.

I post it as plain text as below 


Bluetooth monitor ver 5.37
= Note: Linux version 4.16.0-rc1+ (aarch64)                            0.641494
= Note: Bluetooth subsystem version 2.22                               0.641502
= New Index: 00:00:46:76:22:01 (BR/EDR,UART,hci0)               [hci0] 0.641505
* Unknown packet (code 14 len 30)                                      0.641509
        01 00 00 00 02 00 01 0e 00 01 00 00 00 10 62 6c  ..............bl
        75 65 74 6f 6f 74 68 64 00 00 00 00 00 00        uetoothd......  
* Unknown packet (code 14 len 30)                                      0.641592
        02 00 00 00 02 00 01 0e 00 01 00 00 00 10 62 74  ..............bt
        6d 6f 6e 00 00 00 00 00 00 00 00 00 00 00        mon...........  
* Unknown packet (code 16 len 7)                                [hci0] 6.536771
        01 00 00 00 05 00 01                             .......         
= Open Index: 00:00:46:76:22:01                                 [hci0] 6.717019
= Index Info: 00:00:46:76:22:01 (MediaTek, Inc.)                [hci0] 6.717030
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.741093
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.742088
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.743102
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.744105
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.745109
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.746104
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.747097
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.748090
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.749078
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.750070
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.751061
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.752054
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.753046
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.754038
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.755031
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.756025
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.757013
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.758006
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.758999
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.759991
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.760983
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.761975
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.762963
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.763956
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.764948
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.765941
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.766933
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.767926
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.768919
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.769914
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.770909
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.771908
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.772904
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.773898
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.774892
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.775890
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.776882
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.777877
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.778871
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.779869
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.780864
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.781858
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.782852
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.783850
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.784845
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.785839
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.786833
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.787831
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.788826
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.789820
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.790814
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.791813
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.792809
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.793803
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.794798
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.795797
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.796791
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.797786
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.798779
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.799778
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.800774
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.801769
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.802763
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.803761
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.804755
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.805749
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.806743
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.807741
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.808737
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.809731
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.810725
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.811725
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.812719
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.813714
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.814708
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.815705
        02 01 01 00 00                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.816378
        02 01 01 00 00                                   .....           
< HCI Command: Vendor (0x3f|0x006f) plen 5                      [hci0] 6.816413
        01 07 01 00 04                                   .....           
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 6.816536
        02 07 01 00 00                                   .....           
< HCI Command: Vendor (0x3f|0x006f) plen 6                      [hci0] 8.845071
        01 06 02 00 00 01                                ......          
> HCI Event: Unknown (0xe4) plen 5                              [hci0] 8.923456
        02 06 01 00 00                                   .....           
< HCI Command: Reset (0x03|0x0003) plen 0                      [hci0] 10.861118
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.865763
      Reset (0x03|0x0003) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Local Supported Fe.. (0x04|0x0003) plen 0  [hci0] 10.865805
> HCI Event: Command Complete (0x0e) plen 12                   [hci0] 10.865965
      Read Local Supported Features (0x04|0x0003) ncmd 1
        Status: Success (0x00)
        Features: 0xbf 0x3e 0x8d 0xfe 0xdb 0xff 0x7b 0x87
          3 slot packets
          5 slot packets
          Encryption
          Slot offset
          Timing accuracy
          Role switch
          Sniff mode
          Power control requests
          Channel quality driven data rate (CQDDR)
          SCO link
          HV2 packets
          HV3 packets
          CVSD synchronous data
          Power control
          Transparent synchronous data
          Broadcast Encryption
          Enhanced Data Rate ACL 2 Mbps mode
          Enhanced Data Rate ACL 3 Mbps mode
          Enhanced inquiry scan
          Interlaced inquiry scan
          Interlaced page scan
          RSSI with inquiry results
          Extended SCO link (EV3 packets)
          EV4 packets
          EV5 packets
          AFH capable slave
          AFH classification slave
          LE Supported (Controller)
          3-slot Enhanced Data Rate ACL packets
          5-slot Enhanced Data Rate ACL packets
          Sniff subrating
          Pause encryption
          AFH capable master
          AFH classification master
          Enhanced Data Rate eSCO 2 Mbps mode
          Enhanced Data Rate eSCO 3 Mbps mode
          3-slot Enhanced Data Rate eSCO packets
          Extended Inquiry Response
          Simultaneous LE and BR/EDR (Controller)
          Secure Simple Pairing
          Encapsulated PDU
          Erroneous Data Reporting
          Non-flushable Packet Boundary Flag
          Link Supervision Timeout Changed Event
          Inquiry TX Power Level
          Enhanced Power Control
          Extended features
< HCI Command: Read Local Version Info.. (0x04|0x0001) plen 0  [hci0] 10.865987
> HCI Event: Vendor (0xff) plen 9                              [hci0] 10.866259
        29 19 09 17 20 48 07 11 00                       )... H...       
> HCI Event: Command Complete (0x0e) plen 12                   [hci0] 10.866372
      Read Local Version Information (0x04|0x0001) ncmd 1
        Status: Success (0x00)
        HCI version: Bluetooth 4.2 (0x08) - Revision 4359 (0x1107)
        LMP version: Bluetooth 4.2 (0x08) - Subversion 2329 (0x0919)
        Manufacturer: MediaTek, Inc. (70)
< HCI Command: Read BD ADDR (0x04|0x0009) plen 0               [hci0] 10.866391
> HCI Event: Command Complete (0x0e) plen 10                   [hci0] 10.866539
      Read BD ADDR (0x04|0x0009) ncmd 1
        Status: Success (0x00)
        Address: 00:00:46:76:22:01 (OLIVETTI NORTH AMERICA)
< HCI Command: Read Buffer Size (0x04|0x0005) plen 0           [hci0] 10.866609
> HCI Event: Command Complete (0x0e) plen 11                   [hci0] 10.866754
      Read Buffer Size (0x04|0x0005) ncmd 1
        Status: Success (0x00)
        ACL MTU: 1021 ACL max packet: 8
        SCO MTU: 184  SCO max packet: 1
< HCI Command: Read Class of Device (0x03|0x0023) plen 0       [hci0] 10.866775
> HCI Event: Command Complete (0x0e) plen 7                    [hci0] 10.866920
      Read Class of Device (0x03|0x0023) ncmd 1
        Status: Success (0x00)
        Class: 0x001f00
          Major class: Uncategorized, specific device code not specified
          Minor class: 0x00
< HCI Command: Read Local Name (0x03|0x0014) plen 0            [hci0] 10.866939
> HCI Event: Command Complete (0x0e) plen 252                  [hci0] 10.867256
      Read Local Name (0x03|0x0014) ncmd 1
        Status: Success (0x00)
        Name: MTK MT7622 #1
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0         [hci0] 10.867308
> HCI Event: Command Complete (0x0e) plen 6                    [hci0] 10.867447
      Read Voice Setting (0x03|0x0025) ncmd 1
        Status: Success (0x00)
        Setting: 0x0060
          Input Coding: Linear
          Input Data Format: 2's complement
          Input Sample Size: 16-bit
          # of bits padding at MSB: 0
          Air Coding Format: CVSD
< HCI Command: Read Number of Supporte.. (0x03|0x0038) plen 0  [hci0] 10.867474
> HCI Event: Command Complete (0x0e) plen 5                    [hci0] 10.867611
      Read Number of Supported IAC (0x03|0x0038) ncmd 1
        Status: Success (0x00)
        Number of IAC: 4
< HCI Command: Read Current IAC LAP (0x03|0x0039) plen 0       [hci0] 10.867678
> HCI Event: Command Complete (0x0e) plen 8                    [hci0] 10.867865
      Read Current IAC LAP (0x03|0x0039) ncmd 1
        Status: Success (0x00)
        Number of IAC: 1
        Access code: 0x9e8b33 (General Inquiry)
< HCI Command: Set Event Filter (0x03|0x0005) plen 1           [hci0] 10.867890
        Type: Clear All Filters (0x00)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.868033
      Set Event Filter (0x03|0x0005) ncmd 1
        Status: Success (0x00)
< HCI Command: Write Connection Accept.. (0x03|0x0016) plen 2  [hci0] 10.868054
        Timeout: 20000.000 msec (0x7d00)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.868235
      Write Connection Accept Timeout (0x03|0x0016) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Read Buffer Size (0x08|0x0002) plen 0        [hci0] 10.868262
> HCI Event: Command Complete (0x0e) plen 7                    [hci0] 10.868392
      LE Read Buffer Size (0x08|0x0002) ncmd 1
        Status: Success (0x00)
        Data packet length: 251
        Num data packets: 8
< HCI Command: LE Read Local Supported.. (0x08|0x0003) plen 0  [hci0] 10.868413
> HCI Event: Command Complete (0x0e) plen 12                   [hci0] 10.868587
      LE Read Local Supported Features (0x08|0x0003) ncmd 1
        Status: Success (0x00)
        Features: 0xfd 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          LE Encryption
          Extended Reject Indication
          Slave-initiated Features Exchange
          LE Ping
          LE Data Packet Length Extension
          LL Privacy
          Extended Scanner Filter Policies
< HCI Command: LE Read Supported States (0x08|0x001c) plen 0   [hci0] 10.868646
> HCI Event: Command Complete (0x0e) plen 12                   [hci0] 10.868787
      LE Read Supported States (0x08|0x001c) ncmd 1
        Status: Success (0x00)
        States: 0x000000001fffffff
          Non-connectable Advertising State
          Scannable Advertising State
          Connectable Advertising State
          High Duty Cycle Directed Advertising State
          Passive Scanning State
          Active Scanning State
          Initiating State
            and Connection State (Master Role)
          Connection State (Slave Role)
          Non-connectable Advertising State
            and Passive Scanning State
          Scannable Advertising State
            and Passive Scanning State
          Connectable Advertising State
            and Passive Scanning State
          High Duty Cycle Directed Advertising State
            and Passive Scanning State
          Non-connectable Advertising State
            and Active Scanning State
          Scannable Advertising State
            and Active Scanning State
          Connectable Advertising State
            and Active Scanning State
          High Duty Cycle Directed Advertising State
            and Active Scanning State
          Non-connectable Advertising State
            and Initiating State
          Scannable Advertising State
            and Initiating State
          Non-connectable Advertising State
            and Connection State (Master Role)
          Scannable Advertising State
            and Connection State (Master Role)
          Non-connectable Advertising State
            and Connection State (Slave Role)
          Scannable Advertising State
            and Connection State (Slave Role)
          Passive Scanning State
            and Initiating State
          Active Scanning State
            and Initiating State
          Passive Scanning State
            and Connection State (Master Role)
          Active Scanning State
            and Connection State (Master Role)
          Passive Scanning State
            and Connection State (Slave Role)
          Active Scanning State
            and Connection State (Slave Role)
          Initiating State
            and Connection State (Master Role)
            and Master Role & Master Role
< HCI Command: Read Local Supported Co.. (0x04|0x0002) plen 0  [hci0] 10.868807
> HCI Event: Command Complete (0x0e) plen 68                   [hci0] 10.868985
      Read Local Supported Commands (0x04|0x0002) ncmd 1
        Status: Success (0x00)
        Commands: 176 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)
          Master Link Key (Octet 2 - Bit 2)
          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)
          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)
          Create New Unit Key (Octet 6 - Bit 4)
          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 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)
          Read Page Scan Mode (Octet 11 - Bit 7)
          Write Page Scan Mode (Octet 12 - Bit 0)
          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 Country Code (Octet 15 - Bit 0)
          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)
          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 Triggered Clock Capture (Octet 30 - Bit 5)
          Truncated Page (Octet 30 - Bit 6)
          Truncated Page Cancel (Octet 30 - Bit 7)
          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 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)
          Read Extended Page Timeout (Octet 33 - Bit 0)
          Write Extended Page Timeout (Octet 33 - Bit 1)
          Read Extended Inquiry Length (Octet 33 - Bit 2)
          Write Extended Inquiry Length (Octet 33 - Bit 3)
          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 
< HCI Command: Write Simple Pairing Mode (0x03|0x0056) plen 1  [hci0] 10.869023
        Mode: Enabled (0x01)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.869185
      Write Simple Pairing Mode (0x03|0x0056) ncmd 1
        Status: Success (0x00)
< HCI Command: Write Inquiry Mode (0x03|0x0045) plen 1         [hci0] 10.869239
        Mode: Inquiry Result with RSSI or Extended Inquiry Result (0x02)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.869371
      Write Inquiry Mode (0x03|0x0045) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Inquiry Response T.. (0x03|0x0058) plen 0  [hci0] 10.869396
> HCI Event: Command Complete (0x0e) plen 5                    [hci0] 10.869552
      Read Inquiry Response TX Power Level (0x03|0x0058) ncmd 1
        Status: Success (0x00)
        TX power: -1 dBm
< HCI Command: Read Local Extended Fea.. (0x04|0x0004) plen 1  [hci0] 10.869572
        Page: 1
> HCI Event: Command Complete (0x0e) plen 14                   [hci0] 10.869729
      Read Local Extended Features (0x04|0x0004) ncmd 1
        Status: Success (0x00)
        Page: 1/2
        Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          Secure Simple Pairing (Host Support)
< HCI Command: Set Event Mask (0x03|0x0001) plen 8             [hci0] 10.869783
        Mask: 0x3dbff807fffbffff
          Inquiry Complete
          Inquiry Result
          Connection Complete
          Connection Request
          Disconnection Complete
          Authentication Complete
          Remote Name Request Complete
          Encryption Change
          Change Connection Link Key Complete
          Master Link Key Complete
          Read Remote Supported Features Complete
          Read Remote Version Information Complete
          QoS Setup Complete
          Command Complete
          Command Status
          Hardware Error
          Flush Occurred
          Role Change
          Mode Change
          Return Link Keys
          PIN Code Request
          Link Key Request
          Link Key Notification
          Loopback Command
          Data Buffer Overflow
          Max Slots Change
          Read Clock Offset Complete
          Connection Packet Type Changed
          QoS Violation
          Page Scan Mode Change
          Page Scan Repetition Mode Change
          Flow Specification Complete
          Inquiry Result with RSSI
          Read Remote Extended Features Complete
          Synchronous Connection Complete
          Synchronous Connection Changed
          Sniff Subrating
          Extended Inquiry Result
          Encryption Key Refresh Complete
          IO Capability Request
          IO Capability Request Reply
          User Confirmation Request
          User Passkey Request
          Remote OOB Data Request
          Simple Pairing Complete
          Link Supervision Timeout Changed
          Enhanced Flush Complete
          User Passkey Notification
          Keypress Notification
          Remote Host Supported Features Notification
          LE Meta
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.869921
      Set Event Mask (0x03|0x0001) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Stored Link Key (0x03|0x000d) plen 7       [hci0] 10.869947
        Address: 00:00:00:00:00:00 (OUI 00-00-00)
        Read all: 0x01
> HCI Event: Command Complete (0x0e) plen 8                    [hci0] 10.870129
      Read Stored Link Key (0x03|0x000d) ncmd 1
        Status: Success (0x00)
        Max num keys: 4
        Num keys: 0
< HCI Command: Write Default Link Poli.. (0x02|0x000f) plen 2  [hci0] 10.870148
        Link policy: 0x0005
          Enable Role Switch
          Enable Sniff Mode
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.870310
      Write Default Link Policy Settings (0x02|0x000f) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Page Scan Activity (0x03|0x001b) plen 0    [hci0] 10.870331
> HCI Event: Command Complete (0x0e) plen 8                    [hci0] 10.870485
      Read Page Scan Activity (0x03|0x001b) ncmd 1
        Status: Success (0x00)
        Interval: 1280.000 msec (0x0800)
        Window: 11.250 msec (0x0012)
< HCI Command: Read Page Scan Type (0x03|0x0046) plen 0        [hci0] 10.870504
> HCI Event: Command Complete (0x0e) plen 5                    [hci0] 10.870652
      Read Page Scan Type (0x03|0x0046) ncmd 1
        Status: Success (0x00)
        Type: Standard Scan (0x00)
< HCI Command: LE Set Event Mask (0x08|0x0001) plen 8          [hci0] 10.870671
        Mask: 0x0000000000000980
          LE Read Local P-256 Public Key Complete
          LE Generate DHKey Complete
          Unknown mask (0x0000000000000800)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.870839
      LE Set Event Mask (0x08|0x0001) ncmd 1
        Status: Success (0x00)
< HCI Command: Write LE Host Supported (0x03|0x006d) plen 2    [hci0] 10.870859
        Supported: 0x01
        Simultaneous: 0x00
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.871028
      Write LE Host Supported (0x03|0x006d) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Local Extended Fea.. (0x04|0x0004) plen 1  [hci0] 10.871059
        Page: 2
> HCI Event: Command Complete (0x0e) plen 14                   [hci0] 10.871201
      Read Local Extended Features (0x04|0x0004) ncmd 1
        Status: Success (0x00)
        Page: 2/2
        Features: 0x25 0x0b 0x00 0x00 0x00 0x00 0x00 0x00
          Connectionless Slave Broadcast - Master
          Synchronization Train
          Generalized interlaced scan
          Secure Connections (Controller Support)
          Ping
          Train nudging
< HCI Command: Delete Stored Link Key (0x03|0x0012) plen 7     [hci0] 10.871240
        Address: 00:00:00:00:00:00 (OUI 00-00-00)
        Delete all: 0x01
> HCI Event: Command Complete (0x0e) plen 6                    [hci0] 10.871384
      Delete Stored Link Key (0x03|0x0012) ncmd 1
        Status: Success (0x00)
        Num keys: 0
< HCI Command: Set Event Mask Page 2 (0x03|0x0063) plen 8      [hci0] 10.871403
        Mask: 0x0000000000b0c000
          Triggered Clock Capture
          Synchronization Train Complete
          Slave Page Response Timeout
          Connectionless Slave Broadcast Channel Map Change
          Authenticated Payload Timeout Expired
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.871566
      Set Event Mask Page 2 (0x03|0x0063) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Local Supported Co.. (0x04|0x000b) plen 0  [hci0] 10.871599
> HCI Event: Command Complete (0x0e) plen 8                    [hci0] 10.871750
      Read Local Supported Codecs (0x04|0x000b) ncmd 1
        Status: Success (0x00)
        Number of supported codecs: 2
          Codec: CVSD (0x02)
          Codec: Transparent (0x03)
        Number of vendor codecs: 0
< HCI Command: Read Synchronization Tr.. (0x03|0x0077) plen 0  [hci0] 10.871769
> HCI Event: Command Complete (0x0e) plen 11                   [hci0] 10.871928
      Read Synchronization Train Parameters (0x03|0x0077) ncmd 1
        Status: Success (0x00)
        Interval: 0.000 msec (0x0000)
        Timeout: 0.000 msec (0x00000000)
        Service data: 0x00
< HCI Command: Write Secure Connection.. (0x03|0x007a) plen 1  [hci0] 10.871947
        Support: Enabled (0x01)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.872098
      Write Secure Connections Host Support (0x03|0x007a) ncmd 1
        Status: Success (0x00)
< HCI Command: Unknown (0x08|0x0031) plen 3                    [hci0] 10.872156
        03 00 00                                         ...             
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.872322
      Unknown (0x08|0x0031) ncmd 1
        Status: Success (0x00)
= Index Info: 00:00:46:76:22:01 (MediaTek, Inc.)               [hci0] 10.872361
< HCI Command: LE Set Scan Response D.. (0x08|0x0009) plen 32  [hci0] 10.872431
        Length: 10
        Name (complete): builder
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.872606
      LE Set Scan Response Data (0x08|0x0009) ncmd 1
        Status: Success (0x00)
< HCI Command: Write Scan Enable (0x03|0x001a) plen 1          [hci0] 10.872627
        Scan enable: Page Scan (0x02)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.872819
      Write Scan Enable (0x03|0x001a) ncmd 1
        Status: Success (0x00)
< HCI Command: Write Class of Device (0x03|0x0024) plen 3      [hci0] 10.872841
        Class: 0x000000
          Major class: Miscellaneous
          Minor class: 0x00
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.873036
      Write Class of Device (0x03|0x0024) ncmd 1
        Status: Success (0x00)
* Unknown packet (code 17 len 9)                               [hci0] 10.873069
        02 00 00 00 07 00 00 00 00                       .........       
* Unknown packet (code 17 len 9)                               [hci0] 10.873069
        01 00 00 00 07 00 00 00 00                       .........       
< HCI Command: Write Local Name (0x03|0x0013) plen 248         [hci0] 10.873096
        Name: builder
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.873446
      Write Local Name (0x03|0x0013) ncmd 1
        Status: Success (0x00)
< HCI Command: Write Extended Inquir.. (0x03|0x0052) plen 241  [hci0] 10.873470
        FEC: Not required (0x00)
        Name (complete): builder
        TX power: -1 dBm
        Device ID: USB Implementer's Forum assigned (0x0002)
          Vendor: Linux Foundation (0x1d6b)
          Product: 0x0246
          Version: 5.2.11 (0x052b)
        16-bit Service UUIDs (complete): 4 entries
          Generic Access Profile (0x1800)
          Generic Attribute Profile (0x1801)
          A/V Remote Control (0x110e)
          A/V Remote Control Target (0x110c)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 10.873857
      Write Extended Inquiry Response (0x03|0x0052) ncmd 1
        Status: Success (0x00)
* Unknown packet (code 17 len 13)                              [hci0] 10.873903
        01 00 00 00 01 00 05 00 00 d1 0a 00 00           .............   
* Unknown packet (code 17 len 10)                              [hci0] 10.873913
        02 00 00 00 06 00 d1 0a 00 00                    ..........      
* Unknown packet (code 16 len 7)                               [hci0] 17.803939
        01 00 00 00 05 00 00                             .......         
< HCI Command: Write Scan Enable (0x03|0x001a) plen 1          [hci0] 17.803983
        Scan enable: No Scans (0x00)
> HCI Event: Command Complete (0x0e) plen 4                    [hci0] 17.804233
      Write Scan Enable (0x03|0x001a) ncmd 1
        Status: Success (0x00)
< HCI Command: Vendor (0x3f|0x006f) plen 6                     [hci0] 17.804282
        01 06 02 00 00 00                                ......          
> HCI Event: Unknown (0xe4) plen 5                             [hci0] 17.804636
        02 06 01 00 00                                   .....           
* Unknown packet (code 17 len 13)                              [hci0] 17.811580
        01 00 00 00 01 00 05 00 00 d0 0a 00 00           .............   
* Unknown packet (code 17 len 10)                              [hci0] 17.811596
        02 00 00 00 06 00 d0 0a 00 00                    ..........      
= Close Index: 00:00:46:76:22:01                               [hci0] 17.811625


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