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SubjectRe: [PATH v2 2/8] vdpa/mlx5: Return error on vlan ctrl commands if not supported
On Mon, Nov 14, 2022 at 9:18 PM Eli Cohen <elic@nvidia.com> wrote:
>
> Check if VIRTIO_NET_F_CTRL_VLAN is negotiated and return error if
> control VQ command is received.
>
> Signed-off-by: Eli Cohen <elic@nvidia.com>

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

Thanks

> ---
> drivers/vdpa/mlx5/net/mlx5_vnet.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> index 3fb06dcee943..01da229d22da 100644
> --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
> +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> @@ -1823,6 +1823,9 @@ static virtio_net_ctrl_ack handle_ctrl_vlan(struct mlx5_vdpa_dev *mvdev, u8 cmd)
> size_t read;
> u16 id;
>
> + if (!(ndev->mvdev.actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VLAN)))
> + return status;
> +
> switch (cmd) {
> case VIRTIO_NET_CTRL_VLAN_ADD:
> read = vringh_iov_pull_iotlb(&cvq->vring, &cvq->riov, &vlan, sizeof(vlan));
> --
> 2.38.1
>

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