netdev - Re: [PATCH v2 00/10] thunderbolt: Add DMA traffic test driver

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Date:   Tue, 10 Nov 2020 10:30:45 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:     linux-usb@...r.kernel.org, Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        Andreas Noever <andreas.noever@...il.com>,
        Isaac Hazan <isaac.hazan@...el.com>,
        Lukas Wunner <lukas@...ner.de>,
        "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH v2 00/10] thunderbolt: Add DMA traffic test driver

On Tue, Nov 10, 2020 at 12:19:47PM +0300, Mika Westerberg wrote:
> Hi all,
> 
> This series adds a new Thunderbolt service driver that can be used on
> manufacturing floor to test that each Thunderbolt/USB4 port is functional.
> It can be done either using a special loopback dongle that has RX and TX
> lanes crossed, or by connecting a cable back to the host (for those who
> don't have these dongles).
> 
> This takes advantage of the existing XDomain protocol and creates XDomain
> devices for the loops back to the host where the DMA traffic test driver
> can bind to.
> 
> The DMA traffic test driver creates a tunnel through the fabric and then
> sends and receives data frames over the tunnel checking for different
> errors.
> 
> The previous version can be found here:
> 
>   https://lore.kernel.org/linux-usb/20201104140030.6853-1-mika.westerberg@linux.intel.com/
> 
> Changes from the previous version:
> 
>   * Fix resource leak in tb_xdp_handle_request() (patch 2/10)
>   * Use debugfs_remove_recursive() in tb_service_debugfs_remove() (patch 6/10)
>   * Add tags from Yehezkel

Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>