netdev - Re: [PATCH v3 2/2] Bluetooth: Limit duration of Remote Name Resolve

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Date:   Thu, 25 Nov 2021 21:09:21 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Archie Pusaka <apusaka@...gle.com>
Cc:     linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        CrosBT Upstreaming <chromeos-bluetooth-upstreaming@...omium.org>,
        Archie Pusaka <apusaka@...omium.org>,
        Miao-chen Chou <mcchou@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 2/2] Bluetooth: Limit duration of Remote Name Resolve

Hi Archie,

> When doing remote name request, we cannot scan. In the normal case it's
> OK since we can expect it to finish within a short amount of time.
> However, there is a possibility to scan lots of devices that
> (1) requires Remote Name Resolve
> (2) is unresponsive to Remote Name Resolve
> When this happens, we are stuck to do Remote Name Resolve until all is
> done before continue scanning.
> 
> This patch adds a time limit to stop us spending too long on remote
> name request.
> 
> Signed-off-by: Archie Pusaka <apusaka@...omium.org>
> Reviewed-by: Miao-chen Chou <mcchou@...omium.org>
> 
> ---
> 
> Changes in v3:
> * Add units in comment
> * change debug log to warn
> 
> include/net/bluetooth/hci_core.h | 3 +++
> net/bluetooth/hci_event.c        | 7 +++++++
> 2 files changed, 10 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel