On 2020/10/19 下午5:07, we...@ucloud.cn wrote:
From: wenxu <we...@ucloud.cn> Qemu get virtio_net_config from the vdpa driver. So The vdpa driver should set the VIRTIO_NET_S_LINK_UP flag to virtio_net_config like vdpa_sim. Or the link of virtio net NIC in the virtual machine will never up. Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices") Signed-off-by: wenxu <we...@ucloud.cn> --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 74264e59..af6c74c 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1537,6 +1537,8 @@ static int mlx5_vdpa_set_features(struct vdpa_device *vdev, u64 features) ndev->mvdev.actual_features = features & ndev->mvdev.mlx_features; ndev->config.mtu = __cpu_to_virtio16(mlx5_vdpa_is_little_endian(mvdev), ndev->mtu); + ndev->config.status = __cpu_to_virtio16(mlx5_vdpa_is_little_endian(mvdev), + VIRTIO_NET_S_LINK_UP); return err; }
Other than the small issue pointed out by Jakub. Acked-by: Jason Wang <jasow...@redhat.com>