linux-kernel - Re: [PATCH v7 3/3] vdpa/mlx5: Add the support of set mac address

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Message-ID: <CACLfguWt1Uw=tpKCViz9+Hv-s3EvuAc6YeHP3yWYtg6tnuC9Hg@mail.gmail.com>
Date: Tue, 30 Jul 2024 09:28:36 +0800
From: Cindy Lu <lulu@...hat.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: dtatulea@...dia.com, mst@...hat.com, jasowang@...hat.com, parav@...dia.com, 
	sgarzare@...hat.com, netdev@...r.kernel.org, 
	virtualization@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 3/3] vdpa/mlx5: Add the support of set mac address

On Tue, 30 Jul 2024 at 03:16, Andrew Lunn <andrew@...n.ch> wrote:
>
> > +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 = -EINVAL;
>
> I would say this should also be EOPNOTSUPP.
>
sure， will change this
Thanks
cindy
> > +
> > +     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;
>
>
>     Andrew
>
> ---
> pw-bot: cr
>