From: Eric Dumazet <eric.duma...@gmail.com> Date: Fri, 15 Sep 2017 17:03:30 -0700
> On Fri, 2017-09-15 at 15:54 -0700, Florian Fainelli wrote: >> On September 15, 2017 3:22:18 PM PDT, Rosen Penev <ros...@gmail.com> >> wrote: >> >On a linksys E1200v1 (actually a crossflashed E1000v2), the >> offloading >> >features give no measurable benefit to speed or latency. Furthermore, >> >disabling GRO actually improves iperf performance by a whoppimg >> 3mbps. >> >> Do you have a way to generate gigabit tests and see what results you >> are getting? We probably are not going to see a 30% improvement just >> by extrapolation. >> > +1 > > It seems silly to remove NETIF_F_SG | NETIF_F_IP_CSUM | > NETIF_F_IPV6_CSUM from dev->features, yet leave the dead-code in the > driver to handle these features. > > And of course GRO was not removed, meaning the bench results were non > conclusive. My sentiments exactly, I think this is a completely unwise change.