| Message ID | 20240708065549.89422-1-lulu@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | vdpa/mlx5: Add the support of set mac address | expand |
On Mon, Jul 8, 2024 at 2:56 PM Cindy Lu <lulu@redhat.com> wrote: > > 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 Great. > > Signed-off-by: Cindy Lu <lulu@redhat.com> I guess this should be part of the series "vdpa: support set mac address from vdpa tool" ? > --- > drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > index 26ba7da6b410..f78701386690 100644 > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * > destroy_workqueue(wq); > mgtdev->ndev = NULL; > } > +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, > + struct vdpa_device *dev, > + const struct vdpa_dev_set_config *add_config) > +{ > + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); > + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); > + struct mlx5_core_dev *mdev = mvdev->mdev; > + struct virtio_net_config *config = &ndev->config; > + int err; > + struct mlx5_core_dev *pfmdev; > + > + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { > + if (!is_zero_ether_addr(add_config->net.mac)) { > + memcpy(config->mac, add_config->net.mac, ETH_ALEN); > + pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev)); > + err = mlx5_mpfs_add_mac(pfmdev, config->mac); > + if (err) > + return -1; > + } > + } > + return 0; > +} > > 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_mac, Let's rename this as we will add the support for mtu as well or not? Thanks > }; > > static struct virtio_device_id id_table[] = { > -- > 2.45.0 >
On Mon, 2024-07-08 at 14:55 +0800, Cindy Lu wrote: > 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> > --- > drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > index 26ba7da6b410..f78701386690 100644 > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * > destroy_workqueue(wq); > mgtdev->ndev = NULL; > } > +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, > + struct vdpa_device *dev, > + const struct vdpa_dev_set_config *add_config) > +{ > + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); > + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); > + struct mlx5_core_dev *mdev = mvdev->mdev; > + struct virtio_net_config *config = &ndev->config; > + int err; > + struct mlx5_core_dev *pfmdev; > + You need to take the ndev->reslock. > + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { > + if (!is_zero_ether_addr(add_config->net.mac)) { > + memcpy(config->mac, add_config->net.mac, ETH_ALEN); I would do the memcpy after mlx5_mpfs_add_mac() was called successfully. This way the config gets changed only on success. > + pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev)); > + err = mlx5_mpfs_add_mac(pfmdev, config->mac); > + if (err) > + return -1; > + } > + } > + return 0; > +} > > 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_mac, > }; > > static struct virtio_device_id id_table[] = { Thanks, Dragos
On Mon, Jul 08, 2024 at 02:55:49PM +0800, Cindy Lu wrote: > 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> Is this on top of your other patchset? > --- > drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > index 26ba7da6b410..f78701386690 100644 > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * > destroy_workqueue(wq); > mgtdev->ndev = NULL; > } > +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, > + struct vdpa_device *dev, > + const struct vdpa_dev_set_config *add_config) > +{ > + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); > + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); > + struct mlx5_core_dev *mdev = mvdev->mdev; > + struct virtio_net_config *config = &ndev->config; > + int err; > + struct mlx5_core_dev *pfmdev; > + > + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { > + if (!is_zero_ether_addr(add_config->net.mac)) { > + memcpy(config->mac, add_config->net.mac, ETH_ALEN); > + pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev)); > + err = mlx5_mpfs_add_mac(pfmdev, config->mac); > + if (err) > + return -1; > + } > + } > + return 0; > +} > > 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_mac, > }; > > static struct virtio_device_id id_table[] = { > -- > 2.45.0
Hi Andrew, > From: Andrew Lunn <andrew@lunn.ch> > Sent: Tuesday, July 9, 2024 12:31 AM > To: Cindy Lu <lulu@redhat.com> > Cc: Dragos Tatulea <dtatulea@nvidia.com>; mst@redhat.com; > jasowang@redhat.com; Parav Pandit <parav@nvidia.com>; > sgarzare@redhat.com; netdev@vger.kernel.org; virtualization@lists.linux- > foundation.org; linux-kernel@vger.kernel.org; kvm@vger.kernel.org > Subject: Re: [PATCH] vdpa/mlx5: Add the support of set mac address > > On Mon, Jul 08, 2024 at 02:55:49PM +0800, Cindy Lu wrote: > > 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> > > --- > > drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ > > 1 file changed, 23 insertions(+) > > > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > index 26ba7da6b410..f78701386690 100644 > > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct > vdpa_mgmt_dev *v_mdev, struct vdpa_device * > > destroy_workqueue(wq); > > mgtdev->ndev = NULL; > > } > > +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, > > + struct vdpa_device *dev, > > + const struct vdpa_dev_set_config > *add_config) { > > + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); > > + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); > > + struct mlx5_core_dev *mdev = mvdev->mdev; > > + struct virtio_net_config *config = &ndev->config; > > + int err; > > + struct mlx5_core_dev *pfmdev; > > + > > + if (add_config->mask & (1 << > VDPA_ATTR_DEV_NET_CFG_MACADDR)) { > > + if (!is_zero_ether_addr(add_config->net.mac)) { > > Is the core happy to call into the driver without validating the MAC address? > Will the core pass the broadcast address? That is not zero. Or a multicast > address? Should every driver repeat the same validation, and probably get it > just as wrong? > > Andrew > I will submit the patch to add the check in the vdpa core for mac address validation. > --- > pw-bot: cr
On Mon, 8 Jul 2024 at 15:03, Jason Wang <jasowang@redhat.com> wrote: > > On Mon, Jul 8, 2024 at 2:56 PM Cindy Lu <lulu@redhat.com> wrote: > > > > 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 > > Great. > > > > > Signed-off-by: Cindy Lu <lulu@redhat.com> > > I guess this should be part of the series "vdpa: support set mac > address from vdpa tool" ? > yes, Will add this in next version Thanks cindy > > --- > > drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ > > 1 file changed, 23 insertions(+) > > > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > index 26ba7da6b410..f78701386690 100644 > > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * > > destroy_workqueue(wq); > > mgtdev->ndev = NULL; > > } > > +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, > > + struct vdpa_device *dev, > > + const struct vdpa_dev_set_config *add_config) > > +{ > > + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); > > + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); > > + struct mlx5_core_dev *mdev = mvdev->mdev; > > + struct virtio_net_config *config = &ndev->config; > > + int err; > > + struct mlx5_core_dev *pfmdev; > > + > > + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { > > + if (!is_zero_ether_addr(add_config->net.mac)) { > > + memcpy(config->mac, add_config->net.mac, ETH_ALEN); > > + pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev)); > > + err = mlx5_mpfs_add_mac(pfmdev, config->mac); > > + if (err) > > + return -1; > > + } > > + } > > + return 0; > > +} > > > > 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_mac, > > Let's rename this as we will add the support for mtu as well or not? > sure ,will change this Thanks cindy > Thanks > > > }; > > > > static struct virtio_device_id id_table[] = { > > -- > > 2.45.0 > > >
On Mon, 8 Jul 2024 at 19:26, Michael S. Tsirkin <mst@redhat.com> wrote: > > On Mon, Jul 08, 2024 at 02:55:49PM +0800, Cindy Lu wrote: > > 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> > > Is this on top of your other patchset? > yes, Will send a new version of these patch Thanks cindy > > --- > > drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ > > 1 file changed, 23 insertions(+) > > > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > index 26ba7da6b410..f78701386690 100644 > > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * > > destroy_workqueue(wq); > > mgtdev->ndev = NULL; > > } > > +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, > > + struct vdpa_device *dev, > > + const struct vdpa_dev_set_config *add_config) > > +{ > > + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); > > + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); > > + struct mlx5_core_dev *mdev = mvdev->mdev; > > + struct virtio_net_config *config = &ndev->config; > > + int err; > > + struct mlx5_core_dev *pfmdev; > > + > > + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { > > + if (!is_zero_ether_addr(add_config->net.mac)) { > > + memcpy(config->mac, add_config->net.mac, ETH_ALEN); > > + pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev)); > > + err = mlx5_mpfs_add_mac(pfmdev, config->mac); > > + if (err) > > + return -1; > > + } > > + } > > + return 0; > > +} > > > > 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_mac, > > }; > > > > static struct virtio_device_id id_table[] = { > > -- > > 2.45.0 >
On Mon, 8 Jul 2024 at 15:27, Dragos Tatulea <dtatulea@nvidia.com> wrote: > > On Mon, 2024-07-08 at 14:55 +0800, Cindy Lu wrote: > > 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> > > --- > > drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ > > 1 file changed, 23 insertions(+) > > > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > index 26ba7da6b410..f78701386690 100644 > > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * > > destroy_workqueue(wq); > > mgtdev->ndev = NULL; > > } > > +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, > > + struct vdpa_device *dev, > > + const struct vdpa_dev_set_config *add_config) > > +{ > > + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); > > + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); > > + struct mlx5_core_dev *mdev = mvdev->mdev; > > + struct virtio_net_config *config = &ndev->config; > > + int err; > > + struct mlx5_core_dev *pfmdev; > > + > You need to take the ndev->reslock. > thanks will change this > > + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { > > + if (!is_zero_ether_addr(add_config->net.mac)) { > > + memcpy(config->mac, add_config->net.mac, ETH_ALEN); > I would do the memcpy after mlx5_mpfs_add_mac() was called successfully. This > way the config gets changed only on success. > thanks Dragos， Will fix this thanks cindy > > + pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev)); > > + err = mlx5_mpfs_add_mac(pfmdev, config->mac); > > + if (err) > > + return -1; > > + } > > + } > > + return 0; > > +} > > > > 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_mac, > > }; > > > > static struct virtio_device_id id_table[] = { > > Thanks, > Dragos >
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 26ba7da6b410..f78701386690 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -3616,10 +3616,33 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * destroy_workqueue(wq); mgtdev->ndev = NULL; } +static int mlx5_vdpa_set_attr_mac(struct vdpa_mgmt_dev *v_mdev, + struct vdpa_device *dev, + const struct vdpa_dev_set_config *add_config) +{ + struct mlx5_vdpa_dev *mvdev = to_mvdev(dev); + struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); + struct mlx5_core_dev *mdev = mvdev->mdev; + struct virtio_net_config *config = &ndev->config; + int err; + struct mlx5_core_dev *pfmdev; + + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { + if (!is_zero_ether_addr(add_config->net.mac)) { + memcpy(config->mac, add_config->net.mac, ETH_ALEN); + pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev)); + err = mlx5_mpfs_add_mac(pfmdev, config->mac); + if (err) + return -1; + } + } + return 0; +} 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_mac, }; static struct virtio_device_id id_table[] = {
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> --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)