Re: [PATCH v4] virtio_net: Support RX hash XDP hint

From: Jason Wang
Date: Thu Feb 01 2024 - 00:38:04 EST


On Wed, Jan 31, 2024 at 11:55 AM Liang Chen <liangchen.linux@xxxxxxxxx> wrote:
>
> The RSS hash report is a feature that's part of the virtio specification.
> Currently, virtio backends like qemu, vdpa (mlx5), and potentially vhost
> (still a work in progress as per [1]) support this feature. While the
> capability to obtain the RSS hash has been enabled in the normal path,
> it's currently missing in the XDP path. Therefore, we are introducing
> XDP hints through kfuncs to allow XDP programs to access the RSS hash.
>
> 1.
> https://lore.kernel.org/all/20231015141644.260646-1-akihiko.odaki@xxxxxxxxxx/#r
>
> Signed-off-by: Liang Chen <liangchen.linux@xxxxxxxxx>
> Reviewed-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>

Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Thanks