Re: [PATCH 1/1] r8152: Add Lenovo Powered USB-C Travel Hub

2021-01-11 Thread Leon Schuermann
Jakub Kicinski writes: > On Sat, 09 Jan 2021 10:39:27 +0100 Leon Schuermann wrote: >> Jakub Kicinski writes: >> > 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. >> > >>

Re: [PATCH 1/1] r8152: Add Lenovo Powered USB-C Travel Hub

2021-01-09 Thread Jakub Kicinski
On Sat, 09 Jan 2021 10:39:27 +0100 Leon Schuermann wrote: > Jakub Kicinski writes: > > 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" d

Re: [PATCH 1/1] r8152: Add Lenovo Powered USB-C Travel Hub

2021-01-09 Thread Leon Schuermann
Jakub Kicinski writes: > 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 fin

Re: [PATCH 1/1] r8152: Add Lenovo Powered USB-C Travel Hub

2021-01-08 Thread Jakub Kicinski
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 wo

[PATCH 1/1] r8152: Add Lenovo Powered USB-C Travel Hub

2021-01-08 Thread Leon Schuermann
This USB-C Hub (17ef:721e) based on the Realtek RTL8153B chip used to work with the cdc_ether driver. 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 Ethern