linux-kernel - Re: [PATCH] Bluetooth: hci_h5: Complements reliable packet processing logic.

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Date:   Thu, 06 Apr 2023 21:00:20 +0000
From:   patchwork-bot+bluetooth@...nel.org
To:     Qiqi Zhang <eddy.zhang@...k-chips.com>
Cc:     marcel@...tmann.org, johan.hedberg@...il.com, luiz.dentz@...il.com,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: hci_h5: Complements reliable packet processing
 logic.

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@...el.com>:

On Tue,  4 Apr 2023 00:29:28 +0800 you wrote:
> As shown in the schematic diagram below.There may be a critical
> scenario in the current code. If the device does not receive an
> pure ack sent by the host due to insufficient receive buffer or
> other reasons and triggers a retransmission, the host will always
> be in an 'out-of-order' state.The state machine will get stuck.
> 
>        host                 device
>      SEQ3,ACK4 --------->
>                <--------- SEQ4,ACK4
>      pure ACK  ---------> (not received)
> (out-of-order) <--------- SEQ4,ACK4(retransmission)
> 		........
> (out-of-order) <--------- SEQ4,ACK4(retransmission)
> 
> [...]

Here is the summary with links:
  - Bluetooth: hci_h5: Complements reliable packet processing logic.
    https://git.kernel.org/bluetooth/bluetooth-next/c/13a6ebae665d

You are awesome, thank you!
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