Re: [PATCH v2 19/24] vhost-net: vhost-user: update vhost_net_virtqueue_restart()

[Jason Wang]

在 2022/8/16 09:06, Kangjie Xu 写道:
> Update vhost_net_virtqueue_restart() for vhost-user scenario.


Similar to previous patch, let's explain why it it needed.

Thanks


> Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
> Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
> ---
>   hw/net/vhost_net.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
> index c0d408f3b4..778081e54a 100644
> --- a/hw/net/vhost_net.c
> +++ b/hw/net/vhost_net.c
> @@ -556,6 +556,10 @@ int vhost_net_virtqueue_restart(VirtIODevice *vdev, 
> NetClientState *nc,
>   
>       idx =  vhost_ops->vhost_get_vq_index(&net->dev, vq_index);
>   
> +    if (net->nc->info->type == NET_CLIENT_DRIVER_VHOST_USER) {
> +        idx = idx - net->dev.vq_index;
> +    }
> +
>       r = vhost_dev_virtqueue_restart(&net->dev, vdev, idx);
>       if (r < 0) {
>           goto err_start;