Which device does mlX5 refer to ? Connectx-4 or ConnectX-5 ?
I want to test it out.
Thanks.
On 10/25/2021 20:54，Parav Pandit via Virtualization<virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote：
>From: Eli Cohen <elic@xxxxxxxxxx>
>Add code to accept MAC configuration through vdpa tool. The MAC is
>written into the config struct and later can be retrieved through
>get_config().
>Examples:
>1. Configure MAC while adding a device:
>$ vdpa dev add mgmtdev pci/0000:06:00.2 name vdpa0 mac 00:11:22:33:44:55
>2. Show configured params:
>$ vdpa dev config show
>vdpa0: mac 00:11:22:33:44:55 link down link_announce false max_vq_pairs 8 mtu 1500
>Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
>Reviewed-by: Parav Pandit <parav@xxxxxxxxxx>
>Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
>---
>drivers/vdpa/mlx5/net/mlx5_vnet.c | 17 ++++++++++-------
>1 file changed, 10 insertions(+), 7 deletions(-)
>diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
>index 8d1539728a59..860d80efa5d1 100644
>--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
>+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
>@@ -6,6 +6,7 @@
>#include <linux/vringh.h>
>#include <uapi/linux/virtio_net.h>
>#include <uapi/linux/virtio_ids.h>
>+#include <uapi/linux/vdpa.h>
>#include <linux/virtio_config.h>
>#include <linux/auxiliary_bus.h>
>#include <linux/mlx5/cq.h>
>@@ -2523,18 +2524,19 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name,
>if (err)
>goto err_mtu;
>- ndev->config.mtu = cpu_to_mlx5vdpa16(mvdev, mtu);
>- ndev->config.status |= cpu_to_mlx5vdpa16(mvdev, VIRTIO_NET_S_LINK_UP);
>-
>- err = mlx5_query_nic_vport_mac_address(mdev, 0, 0, config->mac);
>- if (err)
>- goto err_mtu;
>-
>if (get_link_state(mvdev))
>ndev->config.status |= cpu_to_mlx5vdpa16(mvdev, VIRTIO_NET_S_LINK_UP);
>else
>ndev->config.status &= cpu_to_mlx5vdpa16(mvdev, ~VIRTIO_NET_S_LINK_UP);
>+ if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) {
>+ memcpy(ndev->config.mac, add_config->net.mac, ETH_ALEN);
>+ } else {
>+ err = mlx5_query_nic_vport_mac_address(mdev, 0, 0, config->mac);
>+ if (err)
>+ goto err_mtu;
>+ }
>+
>if (!is_zero_ether_addr(config->mac)) {
>pfmdev = pci_get_drvdata(pci_physfn(mdev->pdev));
>err = mlx5_mpfs_add_mac(pfmdev, config->mac);
>@@ -2632,6 +2634,7 @@ static int mlx5v_probe(struct auxiliary_device *adev,
>mgtdev->mgtdev.ops = &mdev_ops;
>mgtdev->mgtdev.device = mdev->device;
>mgtdev->mgtdev.id_table = id_table;
>+ mgtdev->mgtdev.config_attr_mask = (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR);
>mgtdev->madev = madev;
>err = vdpa_mgmtdev_register(&mgtdev->mgtdev);
>--
>2.25.4
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