Re: [PATCH RFC] veth: make veth aware of gso buffer size

2017-11-26 Thread Stephen Hemminger
On Sat, 25 Nov 2017 13:26:52 -0800 Solio Sarabia wrote: > GSO buffer size supported by underlying devices is not propagated to > veth. In high-speed connections with hw TSO enabled, veth sends buffers > bigger than lower device's maximum GSO, forcing sw TSO and increasing > system CPU usage. > >

[PATCH RFC] veth: make veth aware of gso buffer size

2017-11-25 Thread Solio Sarabia
GSO buffer size supported by underlying devices is not propagated to veth. In high-speed connections with hw TSO enabled, veth sends buffers bigger than lower device's maximum GSO, forcing sw TSO and increasing system CPU usage. Signed-off-by: Solio Sarabia --- Exposing gso_max_size via sysfs is