netdev - Re: [PATCH v9 29/32] virtio_net: get ringparam by virtqueue_get_vring_max

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Date:   Tue, 12 Apr 2022 15:19:08 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
        virtualization@...ts.linux-foundation.org
Cc:     Jeff Dike <jdike@...toit.com>, Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Vadim Pasternak <vadimp@...dia.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Cornelia Huck <cohuck@...hat.com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Vincent Whitchurch <vincent.whitchurch@...s.com>,
        linux-um@...ts.infradead.org, netdev@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v9 29/32] virtio_net: get ringparam by
 virtqueue_get_vring_max_size()


在 2022/4/6 上午11:43, Xuan Zhuo 写道:
> Use virtqueue_get_vring_max_size() in virtnet_get_ringparam() to set
> tx,rx_max_pending.
>
> Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
> ---


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


>   drivers/net/virtio_net.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index dad497a47b3a..96d96c666c8c 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -2177,10 +2177,10 @@ static void virtnet_get_ringparam(struct net_device *dev,
>   {
>   	struct virtnet_info *vi = netdev_priv(dev);
>   
> -	ring->rx_max_pending = virtqueue_get_vring_size(vi->rq[0].vq);
> -	ring->tx_max_pending = virtqueue_get_vring_size(vi->sq[0].vq);
> -	ring->rx_pending = ring->rx_max_pending;
> -	ring->tx_pending = ring->tx_max_pending;
> +	ring->rx_max_pending = virtqueue_get_vring_max_size(vi->rq[0].vq);
> +	ring->tx_max_pending = virtqueue_get_vring_max_size(vi->sq[0].vq);
> +	ring->rx_pending = virtqueue_get_vring_size(vi->rq[0].vq);
> +	ring->tx_pending = virtqueue_get_vring_size(vi->sq[0].vq);
>   }
>   
>