Re: [RFC net-next v3 2/4] virtio_net: Prepare for NAPI to queue mapping

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On Wed, Jan 22, 2025 at 3:11 AM Joe Damato <jdamato@xxxxxxxxxx> wrote:
>
> Slight refactor to prepare the code for NAPI to queue mapping. No
> functional changes.
>
> Signed-off-by: Joe Damato <jdamato@xxxxxxxxxx>
> Reviewed-by: Gerhard Engleder <gerhard@xxxxxxxxxxxxxxxxxxxxx>
> Tested-by: Lei Yang <leiyang@xxxxxxxxxx>
> ---
>  v2:
>    - Previously patch 1 in the v1.
>    - Added Reviewed-by and Tested-by tags to commit message. No
>      functional changes.
>
>  drivers/net/virtio_net.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 7646ddd9bef7..cff18c66b54a 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -2789,7 +2789,8 @@ static void skb_recv_done(struct virtqueue *rvq)
>         virtqueue_napi_schedule(&rq->napi, rvq);
>  }
>
> -static void virtnet_napi_enable(struct virtqueue *vq, struct napi_struct *napi)
> +static void virtnet_napi_do_enable(struct virtqueue *vq,
> +                                  struct napi_struct *napi)
>  {
>         napi_enable(napi);

Nit: it might be better to not have this helper to avoid a misuse of
this function directly.

Other than this.

Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Thanks

>
> @@ -2802,6 +2803,11 @@ static void virtnet_napi_enable(struct virtqueue *vq, struct napi_struct *napi)
>         local_bh_enable();
>  }
>
> +static void virtnet_napi_enable(struct virtqueue *vq, struct napi_struct *napi)
> +{
> +       virtnet_napi_do_enable(vq, napi);
> +}
> +
>  static void virtnet_napi_tx_enable(struct virtnet_info *vi,
>                                    struct virtqueue *vq,
>                                    struct napi_struct *napi)
> @@ -2817,7 +2823,7 @@ static void virtnet_napi_tx_enable(struct virtnet_info *vi,
>                 return;
>         }
>
> -       return virtnet_napi_enable(vq, napi);
> +       virtnet_napi_do_enable(vq, napi);
>  }
>
>  static void virtnet_napi_tx_disable(struct napi_struct *napi)
> --
> 2.25.1
>






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