linux-kernel - [vhost next 2/2] vdpa/mlx5: Fix failure to bring link up

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Message-ID: <20200917121540.GA98184@mtl-vdi-166.wap.labs.mlnx>
Date:   Thu, 17 Sep 2020 15:15:40 +0300
From:   Eli Cohen <elic@...dia.com>
To:     <mst@...hat.com>, <jasowang@...hat.com>,
        <virtualization@...ts.linux-foundation.org>,
        <linux-kernel@...r.kernel.org>
CC:     <lulu@...hat.com>
Subject: [vhost next 2/2] vdpa/mlx5: Fix failure to bring link up

Set VIRTIO_NET_S_LINK_UP in config status to allow the get the bring the
net device's link up.

Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Signed-off-by: Eli Cohen <elic@...dia.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 e70ff7dee33d..d0df768f29da 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -1533,6 +1533,7 @@ 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_mlx5vdpa16(mvdev, ndev->mtu);
+	ndev->config.status |= cpu_to_mlx5vdpa16(mvdev, VIRTIO_NET_S_LINK_UP);
 	return err;
 }
 
-- 
2.27.0