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Message-ID: <CABBYNZJgKCeGfL+CngEA2QcVZAtf5yEqiX7ccQsuWVtjZhCvjw@mail.gmail.com>
Date: Tue, 6 Feb 2024 17:22:08 -0500
From: Luiz Augusto von Dentz <luiz.dentz@...il.com>
To: Jonas Dreßler <verdre@...d.nl>
Cc: Marcel Holtmann <marcel@...tmann.org>, Johan Hedberg <johan.hedberg@...il.com>,
linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org
Subject: Re: [PATCH v4 0/2] Bluetooth: Improve retrying of connection attempts
Hi Jonas,
On Tue, Feb 6, 2024 at 6:08 AM Jonas Dreßler <verdre@...d.nl> wrote:
>
> Since commit 4c67bc74f016 ("[Bluetooth] Support concurrent connect
> requests"), the kernel supports trying to connect again in case the
> bluetooth card is busy and fails to connect.
>
> The logic that should handle this became a bit spotty over time, and also
> cards these days appear to fail with more errors than just "Command
> Disallowed".
>
> This series refactores the handling of concurrent connection requests
> by serializing all "Create Connection" commands for ACL connections
> similar to how we do it for LE connections.
>
> ---
>
> v1: https://lore.kernel.org/linux-bluetooth/20240102185933.64179-1-verdre@v0yd.nl/
> v2: https://lore.kernel.org/linux-bluetooth/20240108183938.468426-1-verdre@v0yd.nl/
> v3: https://lore.kernel.org/linux-bluetooth/20240108224614.56900-1-verdre@v0yd.nl/
> v4:
> - Removed first two commits since they are already applied
> - Removed a BT_DBG() message in the acl_create_connection() function
> while moving to hci_sync because it seemed out of place in hci_sync
> - Added a mention of the test failure in mgmt-tester to commit message
>
> Jonas Dreßler (2):
> Bluetooth: hci_conn: Only do ACL connections sequentially
> Bluetooth: Remove pending ACL connection attempts
>
> include/net/bluetooth/hci.h | 1 +
> include/net/bluetooth/hci_core.h | 1 -
> include/net/bluetooth/hci_sync.h | 3 ++
> net/bluetooth/hci_conn.c | 83 +++-----------------------------
> net/bluetooth/hci_event.c | 21 ++------
> net/bluetooth/hci_sync.c | 70 +++++++++++++++++++++++++++
> 6 files changed, 86 insertions(+), 93 deletions(-)
>
> --
> 2.43.0
Doesn't seem to work with the new test:
Sequential connect - setup complete
Sequential connect - run
Create connection finished
Connect failed for Pair Device
Create connection finished
Sequential connect - test timed out
Sequential connect - teardown
--
Luiz Augusto von Dentz
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