vdpa/mlx5: Add the support of set mac address

Add the function to support setting the MAC address.
For vdpa/mlx5, the function will use mlx5_mpfs_add_mac
to set the mac address

Tested in ConnectX-6 Dx device

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20240731031653.1047692-4-lulu@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>

diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index fa78e8288ebbf8787f13d4b976ddf820b1fb7d6d..7862dfc29107b792ea0e56e1966312fb3f0ff151 100644 (file)
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -3937,9 +3937,37 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device *
        mgtdev->ndev = NULL;
 }
 
+static int mlx5_vdpa_set_attr(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device *dev,
+                             const struct vdpa_dev_set_config *add_config)
+{
+       struct virtio_net_config *config;
+       struct mlx5_core_dev *pfmdev;
+       struct mlx5_vdpa_dev *mvdev;
+       struct mlx5_vdpa_net *ndev;
+       struct mlx5_core_dev *mdev;
+       int err = -EOPNOTSUPP;
+
+       mvdev = to_mvdev(dev);
+       ndev = to_mlx5_vdpa_ndev(mvdev);
+       mdev = mvdev->mdev;
+       config = &ndev->config;
+
+       down_write(&ndev->reslock);
+       if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) {
+               pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev));
+               err = mlx5_mpfs_add_mac(pfmdev, config->mac);
+               if (!err)
+                       ether_addr_copy(config->mac, add_config->net.mac);
+       }
+
+       up_write(&ndev->reslock);
+       return err;
+}
+
 static const struct vdpa_mgmtdev_ops mdev_ops = {
        .dev_add = mlx5_vdpa_dev_add,
        .dev_del = mlx5_vdpa_dev_del,
+       .dev_set_attr = mlx5_vdpa_set_attr,
 };
 
 static struct virtio_device_id id_table[] = {