From: David Miller <davem@davemloft.net>
To: ogiannou@gmail.com
Cc: kuba@kernel.org, linux-usb@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
olympia.giannou@leica-geosystems.com
Subject: Re: [PATCH] rndis_host: increase sleep time in the query-response loop
Date: Mon, 14 Sep 2020 14:40:36 -0700 (PDT) [thread overview]
Message-ID: <20200914.144036.361794705186870305.davem@davemloft.net> (raw)
In-Reply-To: <20200911141725.5960-1-olympia.giannou@leica-geosystems.com>
From: Olympia Giannou <ogiannou@gmail.com>
Date: Fri, 11 Sep 2020 14:17:24 +0000
> Some WinCE devices face connectivity issues via the NDIS interface. They
> fail to register, resulting in -110 timeout errors and failures during the
> probe procedure.
>
> In this kind of WinCE devices, the Windows-side ndis driver needs quite
> more time to be loaded and configured, so that the linux rndis host queries
> to them fail to be responded correctly on time.
>
> More specifically, when INIT is called on the WinCE side - no other
> requests can be served by the Client and this results in a failed QUERY
> afterwards.
>
> The increase of the waiting time on the side of the linux rndis host in
> the command-response loop leaves the INIT process to complete and respond
> to a QUERY, which comes afterwards. The WinCE devices with this special
> "feature" in their ndis driver are satisfied by this fix.
>
> Signed-off-by: Olympia Giannou <olympia.giannou@leica-geosystems.com>
Applied, thank you.
prev parent reply other threads:[~2020-09-14 21:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-11 14:17 [PATCH] rndis_host: increase sleep time in the query-response loop Olympia Giannou
2020-09-14 21:40 ` David Miller [this message]
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