Re: [PATCH] bgmac: Remove all offloading features, including GRO.

[David Miller]

From: Rosen Penev <ros...@gmail.com>
Date: Fri, 15 Sep 2017 15:22:18 -0700

> 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. 
> Results:
 ...
> -     net_dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
> +     net_dev->features &= NETIF_F_GRO;
>       net_dev->hw_features = net_dev->features;

This doesn't disable GRO.