On Wed, Mar 08, 2023 at 10:49:33AM +0800, Xuan Zhuo wrote:
> The purpose of this is to facilitate the subsequent addition of new
> functions without introducing a separate declaration.
>
> Signed-off-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>
Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
this one isn't for stable naturally, stable can use forward declarations
instead.
> ---
> drivers/net/virtio_net.c | 92 ++++++++++++++++++++--------------------
> 1 file changed, 46 insertions(+), 46 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index fb5e68ed3ec2..8b31a04052f2 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -545,6 +545,52 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi,
> return skb;
> }
>
> +static void free_old_xmit_skbs(struct send_queue *sq, bool in_napi)
> +{
> + unsigned int len;
> + unsigned int packets = 0;
> + unsigned int bytes = 0;
> + void *ptr;
> +
> + while ((ptr = virtqueue_get_buf(sq->vq, &len)) != NULL) {
> + if (likely(!is_xdp_frame(ptr))) {
> + struct sk_buff *skb = ptr;
> +
> + pr_debug("Sent skb %p\n", skb);
> +
> + bytes += skb->len;
> + napi_consume_skb(skb, in_napi);
> + } else {
> + struct xdp_frame *frame = ptr_to_xdp(ptr);
> +
> + bytes += xdp_get_frame_len(frame);
> + xdp_return_frame(frame);
> + }
> + packets++;
> + }
> +
> + /* Avoid overhead when no packets have been processed
> + * happens when called speculatively from start_xmit.
> + */
> + if (!packets)
> + return;
> +
> + u64_stats_update_begin(&sq->stats.syncp);
> + sq->stats.bytes += bytes;
> + sq->stats.packets += packets;
> + u64_stats_update_end(&sq->stats.syncp);
> +}
> +
> +static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q)
> +{
> + if (q < (vi->curr_queue_pairs - vi->xdp_queue_pairs))
> + return false;
> + else if (q < vi->curr_queue_pairs)
> + return true;
> + else
> + return false;
> +}
> +
> static int __virtnet_xdp_xmit_one(struct virtnet_info *vi,
> struct send_queue *sq,
> struct xdp_frame *xdpf)
> @@ -1714,52 +1760,6 @@ static int virtnet_receive(struct receive_queue *rq, int budget,
> return stats.packets;
> }
>
> -static void free_old_xmit_skbs(struct send_queue *sq, bool in_napi)
> -{
> - unsigned int len;
> - unsigned int packets = 0;
> - unsigned int bytes = 0;
> - void *ptr;
> -
> - while ((ptr = virtqueue_get_buf(sq->vq, &len)) != NULL) {
> - if (likely(!is_xdp_frame(ptr))) {
> - struct sk_buff *skb = ptr;
> -
> - pr_debug("Sent skb %p\n", skb);
> -
> - bytes += skb->len;
> - napi_consume_skb(skb, in_napi);
> - } else {
> - struct xdp_frame *frame = ptr_to_xdp(ptr);
> -
> - bytes += xdp_get_frame_len(frame);
> - xdp_return_frame(frame);
> - }
> - packets++;
> - }
> -
> - /* Avoid overhead when no packets have been processed
> - * happens when called speculatively from start_xmit.
> - */
> - if (!packets)
> - return;
> -
> - u64_stats_update_begin(&sq->stats.syncp);
> - sq->stats.bytes += bytes;
> - sq->stats.packets += packets;
> - u64_stats_update_end(&sq->stats.syncp);
> -}
> -
> -static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q)
> -{
> - if (q < (vi->curr_queue_pairs - vi->xdp_queue_pairs))
> - return false;
> - else if (q < vi->curr_queue_pairs)
> - return true;
> - else
> - return false;
> -}
> -
> static void virtnet_poll_cleantx(struct receive_queue *rq)
> {
> struct virtnet_info *vi = rq->vq->vdev->priv;
> --
> 2.32.0.3.g01195cf9f
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