On 05/29/2017 04:17 PM, ros...@gmail.com wrote: > Hmm how about driver side? looking at the source code, > register_netdevice enables GSO and GRO by default. Any way to > explicitly disable it?
On the driver side you should mask NETIF_F_GRO and NETIF_F_GSO in netdev->features and netdev->hw_features. > > On Mon, 2017-05-29 at 14:34 -0700, Florian Fainelli wrote: >> Le 05/29/17 à 13:55, ros...@gmail.com a écrit : >>> So LEDE is using fq_codel by default. On the cake homepage is this >>> little sentence: >>> >>> "Preliminary indications are that not doing GRO “peeling” is where >>> the >>> first generation of fq_codel enabled 802.11ac routers went wrong in >>> their QoS systems." >>> >>> On my Archer C7v2, I've been able to observe that by disabling GRO >>> using ethtool, I've been able to get a 1-2ms reduction in my >>> overall >>> latency when browsing the internet. >>> >>> Anyone know if there is a way to disable GRO without having to >>> install >>> ethtool? >> >> ethtool just send an ioctl so you can write a few lines of C code >> that >> would do the same thing. >> >>> >>> On a side note, the ethernet driver for the Archer needs some love. >>> It's not using the correct API for GRO (using netif_receive_skb >>> instead >>> of napi_gro_receive). >>> >>> _______________________________________________ >>> Lede-dev mailing list >>> Lede-dev@lists.infradead.org >>> http://lists.infradead.org/mailman/listinfo/lede-dev >>> >> >> -- Florian _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev
