netdev - Re: [PATCH net-next v4] net: virtio_net: notifications coalescing support

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Date:   Tue, 19 Jul 2022 15:31:26 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Alvaro Karsz <alvaro.karsz@...id-run.com>
Cc:     netdev <netdev@...r.kernel.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next v4] net: virtio_net: notifications coalescing support

On Tue, Jul 19, 2022 at 3:19 PM Alvaro Karsz <alvaro.karsz@...id-run.com> wrote:
>
> > Yes but this "issue" exists before VIRTIO_NET_F_NOTF_COAL. It might be
> > better to have an independent patch to fix.
>
>
> Maybe I'm wrong, but I don't think that you could receive
> tx_coalesce_usecs/rx_coalesce_usecs without this patch, since the
> ethtool_ops struct without this patch is:
>
> static const struct ethtool_ops virtnet_ethtool_ops = {
> .supported_coalesce_params = ETHTOOL_COALESCE_MAX_FRAMES,
>         .......
>
> And with this patch is:
> static const struct ethtool_ops virtnet_ethtool_ops = {
> .supported_coalesce_params = ETHTOOL_COALESCE_MAX_FRAMES |
> ETHTOOL_COALESCE_USECS,
>

You're right.

So:

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks