netdev - Re: [PATCH net v2] virtio-net: don't disable guest csum when disable LRO

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Message-ID: <CA+FuTSfjMQXLN6nvTu+P8r1eUt=Sw56GDqwGG+tuKK3pF5U9jQ@mail.gmail.com>
Date:   Tue, 29 Sep 2020 10:39:46 +0200
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Tonghao Zhang <xiangxia.m.yue@...il.com>
Cc:     Jason Wang <jasowang@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        virtualization@...ts.linux-foundation.org,
        Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH net v2] virtio-net: don't disable guest csum when disable LRO

On Tue, Sep 29, 2020 at 4:00 AM <xiangxia.m.yue@...il.com> wrote:
>
> From: Tonghao Zhang <xiangxia.m.yue@...il.com>
>
> Open vSwitch and Linux bridge will disable LRO of the interface
> when this interface added to them. Now when disable the LRO, the
> virtio-net csum is disable too. That drops the forwarding performance.
>
> Fixes: a02e8964eaf9 ("virtio-net: ethtool configurable LRO")
> Cc: Michael S. Tsirkin <mst@...hat.com>
> Cc: Jason Wang <jasowang@...hat.com>
> Cc: Willem de Bruijn <willemb@...gle.com>
> Signed-off-by: Tonghao Zhang <xiangxia.m.yue@...il.com>

Acked-by: Willem de Bruijn <willemb@...gle.com>