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Date: Tue, 20 Oct 2020 10:03:00 +0800 From: Jason Wang <jasowang@...hat.com> To: wenxu@...oud.cn, netdev@...r.kernel.org, eli@...lanox.com Subject: Re: [PATCH net] vdpa/mlx5: Fix miss to set VIRTIO_NET_S_LINK_UP for virtio_net_config On 2020/10/19 下午5:07, wenxu@...oud.cn wrote: > From: wenxu <wenxu@...oud.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 <wenxu@...oud.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 <jasowang@...hat.com>
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