Re: [PATCH net-next v6 10/10] virtio_net: xsk: rx: free the unused xsk buffer

[Paolo Abeni <pabeni@redhat.com>]

On Tue, 2024-06-18 at 15:56 +0800, Xuan Zhuo wrote:
> Release the xsk buffer, when the queue is releasing or the queue is
> resizing.
> 
> Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
> ---
>  drivers/net/virtio_net.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index cfa106aa8039..33695b86bd99 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -967,6 +967,11 @@ static void virtnet_rq_unmap_free_buf(struct virtqueue *vq, void *buf)
>  
>  	rq = &vi->rq[i];
>  
> +	if (rq->xsk.pool) {
> +		xsk_buff_free((struct xdp_buff *)buf);
> +		return;
> +	}
> +
>  	if (!vi->big_packets || vi->mergeable_rx_bufs)
>  		virtnet_rq_unmap(rq, buf, 0);


I'm under the impression this should be squashed in a previous patch,
likely "virtio_net: xsk: bind/unbind xsk for rx"

Thanks,

Paolo