On Fri, 8 Jan 2021 21:27:27 +0100 Leon Schuermann wrote: > This USB-C Hub (17ef:721e) based on the Realtek RTL8153B chip used to > work with the cdc_ether driver.
When you say "used to work" do you mean there was a regression where the older kernels would work fine and newer don't? Or just "it works most of the time"? > However, using this driver, with the > system suspended the device sends pause-frames as soon as the receive > buffer fills up. This produced substantial network load, up to the > point where some Ethernet switches stopped processing packets > altogether. > > Using the Realtek driver (r8152) fixes this issue. Pause frames are no > longer sent while the host system is suspended. > > Signed-off-by: Leon Schuermann <leon@is.currently.online> > Tested-by: Leon Schuermann <leon@is.currently.online>
