On Fri, Jan 2, 2026 at 8:14 PM Dragos Tatulea <[email protected]> wrote: > > > > On 29.12.25 08:16, Cindy Lu wrote: > > Improve MAC address handling in mlx5_vdpa_set_attr() to ensure that > > old MAC entries are properly removed from the MPFS table before > > adding a new one. The new MAC address is then added to both the MPFS > > and VLAN tables. > > > > This change fixes an issue where the updated MAC address would not > > take effect until QEMU was rebooted. > > > > Signed-off-by: Cindy Lu <[email protected]> > > --- > > drivers/vdpa/mlx5/net/mlx5_vnet.c | 6 +----- > > 1 file changed, 1 insertion(+), 5 deletions(-) > > > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > index c87e6395b060..a75788ace401 100644 > > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > @@ -4055,7 +4055,6 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev > > *v_mdev, struct vdpa_device * > > 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; > > @@ -4065,7 +4064,6 @@ static int mlx5_vdpa_set_attr(struct vdpa_mgmt_dev > > *v_mdev, struct vdpa_device * > > mvdev = to_mvdev(dev); > > ndev = to_mlx5_vdpa_ndev(mvdev); > > mdev = mvdev->mdev; > > - config = &ndev->config; > > > > down_write(&ndev->reslock); > > > > @@ -4078,9 +4076,7 @@ static int mlx5_vdpa_set_attr(struct vdpa_mgmt_dev > > *v_mdev, struct vdpa_device * > > goto out; > > } > > 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); > > + err = mlx5_vdpa_change_new_mac(ndev, pfmdev, (u8 > > *)add_config->net.mac); > > } > > > > out: > > Thanks for your patch. It looks much better like this. > > Reviewed-by: Dragos Tatulea <[email protected]> > Thanks Dragos > Thanks, > Dragos >

