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Message-ID: <20240708065549.89422-1-lulu@redhat.com>
Date: Mon, 8 Jul 2024 14:55:49 +0800
From: Cindy Lu <lulu@...hat.com>
To: lulu@...hat.com,
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,
kvm@...r.kernel.org
Subject: [PATCH] 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@...hat.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)) {
+ 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
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