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@xxxxxxxxxxxxxxx/ > > 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@xxxxxxxxxxxxxxxxxxx>
