On Thu, Nov 25, 2021 at 1:10 AM Eli Cohen <e...@nvidia.com> wrote:
>
> Make sure to offer VIRTIO_NET_F_MTU since we configure the MTU based on
> what was queried from the device.
>
> This allows the virtio driver to allocate large enough buffers based on
> the reported MTU.
>
> Signed-off-by: Eli Cohen <e...@nvidia.com>

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

> ---
>  drivers/vdpa/mlx5/net/mlx5_vnet.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c 
> b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> index 465e832f2ad1..ed7a63e48335 100644
> --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
> +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> @@ -1956,6 +1956,7 @@ static u64 mlx5_vdpa_get_features(struct vdpa_device 
> *vdev)
>         ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_CTRL_MAC_ADDR);
>         ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_MQ);
>         ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_STATUS);
> +       ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_MTU);
>
>         print_features(mvdev, ndev->mvdev.mlx_features, false);
>         return ndev->mvdev.mlx_features;
> --
> 2.33.1
>

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