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net/mlx5_vdpa: Offer VIRTIO_NET_F_MTU when setting MTU 

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 <elic@nvidia.com>
Link: https://lore.kernel.org/r/20211124170949.51725-1-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
This commit is contained in:
Eli Cohen 2021-11-24 19:09:49 +02:00 committed by Michael S. Tsirkin
parent 57c5a5b304
commit 60af39c1f4
1 changed files with 1 additions and 0 deletions
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1
drivers/vdpa/mlx5/net/mlx5_vnet.c
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@ -1895,6 +1895,7 @@ 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;