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From: Vasily Khoruzhick <anarsoul@gmail.com>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	devicetree <devicetree@vger.kernel.org>,
	arm-linux <linux-arm-kernel@lists.infradead.org>,
	kernel list <linux-kernel@vger.kernel.org>,
	linux-bluetooth <linux-bluetooth@vger.kernel.org>,
	"open list:NETWORKING [GENERAL]" <netdev@vger.kernel.org>,
	Ondrej Jirman <megous@megous.com>
Subject: Re: [PATCH 1/3] Bluetooth: Add new quirk for broken local ext features max_page
Date: Sun, 12 Jul 2020 22:08:57 -0700	[thread overview]
Message-ID: <CA+E=qVeYT41Wpp4wHgoVFMa9ty-FPsxxvUB-DJDnj07SpWhpjQ@mail.gmail.com> (raw)
In-Reply-To: <DF6CC01A-0282-45E2-A437-2E3E58CC2883@holtmann.org>

On Tue, Jul 7, 2020 at 9:03 AM Marcel Holtmann <marcel@holtmann.org> wrote:
>
> Hi Vasily,
>
> > Some adapters (e.g. RTL8723CS) advertise that they have more than
> > 2 pages for local ext features, but they don't support any features
> > declared in these pages. RTL8723CS reports max_page = 2 and declares
> > support for sync train and secure connection, but it responds with
> > either garbage or with error in status on corresponding commands.
>
> please send the btmon for this so I can see what the controller is responding.

Here is relevant part:

< HCI Command: Read Local Extend.. (0x04|0x0004) plen 1  #228 [hci0] 6.889869
        Page: 2
> HCI Event: Command Complete (0x0e) plen 14             #229 [hci0] 6.890487
      Read Local Extended Features (0x04|0x0004) ncmd 2
        Status: Success (0x00)
        Page: 2/2
        Features: 0x5f 0x03 0x00 0x00 0x00 0x00 0x00 0x00
          Connectionless Slave Broadcast - Master
          Connectionless Slave Broadcast - Slave
          Synchronization Train
          Synchronization Scan
          Inquiry Response Notification Event
          Coarse Clock Adjustment
          Secure Connections (Controller Support)
          Ping
< HCI Command: Delete Stored Lin.. (0x03|0x0012) plen 7  #230 [hci0] 6.890559
        Address: 00:00:00:00:00:00 (OUI 00-00-00)
        Delete all: 0x01
> HCI Event: Command Complete (0x0e) plen 6              #231 [hci0] 6.891170
      Delete Stored Link Key (0x03|0x0012) ncmd 2
        Status: Success (0x00)
        Num keys: 0
< HCI Command: Read Synchronizat.. (0x03|0x0077) plen 0  #232 [hci0] 6.891199
> HCI Event: Command Complete (0x0e) plen 9              #233 [hci0] 6.891788
      Read Synchronization Train Parameters (0x03|0x0077) ncmd 2
        invalid packet size
        01 ac bd 11 80 80                                ......
= Close Index: 00:E0:4C:23:99:87                              [hci0] 6.891832

hci0 registration stops here and bluetoothctl doesn't even see the controller.

> Regards
>
> Marcel
>

  reply	other threads:[~2020-07-13  5:09 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-05 19:51 [PATCH 0/3] arm64: allwinner: a64: add bluetooth support for Pinebook Vasily Khoruzhick
2020-07-05 19:51 ` [PATCH 1/3] Bluetooth: Add new quirk for broken local ext features max_page Vasily Khoruzhick
2020-07-07 16:03   ` Marcel Holtmann
2020-07-13  5:08     ` Vasily Khoruzhick [this message]
2020-07-13  6:27       ` Marcel Holtmann
2020-07-13 16:00         ` Vasily Khoruzhick
2020-07-13 16:32           ` Marcel Holtmann
2020-07-05 19:51 ` [PATCH 2/3] Bluetooth: btrtl: add support for the RTL8723CS Vasily Khoruzhick
2020-07-07 16:01   ` Marcel Holtmann
2020-07-13  5:07     ` Vasily Khoruzhick
2020-07-05 19:51 ` [PATCH 3/3] arm64: allwinner: a64: enable Bluetooth On Pinebook Vasily Khoruzhick
2020-07-06 11:47   ` Maxime Ripard
2020-07-13  5:14     ` Vasily Khoruzhick

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