netdev - Re: [PATCH net-next v1 14/19] virtio_net: xsk: tx: virtnet_sq_free_unused

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Message-ID: <CACGkMEvHRcjeomqqxpPQc1wjw64qcthNT=AbDoUJUkMWwgyDag@mail.gmail.com>
Date: Fri, 20 Oct 2023 14:53:58 +0800
From: Jason Wang <jasowang@...hat.com>
To: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	"Michael S. Tsirkin" <mst@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
	Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend <john.fastabend@...il.com>, 
	virtualization@...ts.linux-foundation.org, bpf@...r.kernel.org
Subject: Re: [PATCH net-next v1 14/19] virtio_net: xsk: tx:
 virtnet_sq_free_unused_buf() check xsk buffer

On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo <xuanzhuo@...ux.alibaba.com> wrote:
>
> virtnet_sq_free_unused_buf() check xsk buffer.
>
> Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>

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

Thanks


> ---
>  drivers/net/virtio/main.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio/main.c b/drivers/net/virtio/main.c
> index 1a222221352e..58bb38f9b453 100644
> --- a/drivers/net/virtio/main.c
> +++ b/drivers/net/virtio/main.c
> @@ -3876,10 +3876,12 @@ static void free_receive_page_frags(struct virtnet_info *vi)
>
>  void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf)
>  {
> -       if (!virtnet_is_xdp_frame(buf))
> +       if (virtnet_is_skb_ptr(buf))
>                 dev_kfree_skb(buf);
> -       else
> +       else if (virtnet_is_xdp_frame(buf))
>                 xdp_return_frame(virtnet_ptr_to_xdp(buf));
> +
> +       /* xsk buffer do not need handle. */
>  }
>
>  void virtnet_rq_free_unused_buf(struct virtqueue *vq, void *buf)
> --
> 2.32.0.3.g01195cf9f
>