Re: [RFC PATCH 3/9] virtio_net: update bytes calculation for xdp_frame

Jason Wang
2022-12-06T05:32:53Z

On Tue, Nov 22, 2022 at 3:44 PM Heng Qi <hengqi@linux.alibaba.com> wrote:
>
> Update relative record value for xdp_frame as basis
> for multi-buffer xdp transmission.
>
> Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
> Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>

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

Thanks

> ---
> drivers/net/virtio_net.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 8f7d207d58d6..d3e8c63b9c4b 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -658,7 +658,7 @@ static int virtnet_xdp_xmit(struct net_device *dev,
> if (likely(is_xdp_frame(ptr))) {
> struct xdp_frame *frame = ptr_to_xdp(ptr);
>
> - bytes += frame->len;
> + bytes += xdp_get_frame_len(frame);
> xdp_return_frame(frame);
> } else {
> struct sk_buff *skb = ptr;
> @@ -1604,7 +1604,7 @@ static void free_old_xmit_skbs(struct send_queue *sq, bool in_napi)
> } else {
> struct xdp_frame *frame = ptr_to_xdp(ptr);
>
> - bytes += frame->len;
> + bytes += xdp_get_frame_len(frame);
> xdp_return_frame(frame);
> }
> packets++;
> --
> 2.19.1.6.gb485710b
>