> +static int vdpasim_net_set_attr(struct vdpa_mgmt_dev *mdev,
> + struct vdpa_device *dev,
> + const struct vdpa_dev_set_config *config)
> +{
> + struct vdpasim *vdpasim = container_of(dev, struct vdpasim, vdpa);
> + struct virtio_net_config *vio_config = vdpasim->config;
> +
> + mutex_lock(&vdpasim->mutex);
> +
> + if (config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) {
> + memcpy(vio_config->mac, config->net.mac, ETH_ALEN);
ether_addr_copy()
Andrew
