wwan_netdev_priv
priv_size = sizeof(struct wwan_netdev_priv) + wwandev->ops->priv_size;
struct wwan_netdev_priv *priv = netdev_priv(dev);
struct wwan_netdev_priv *priv = netdev_priv(dev);
return ((struct wwan_netdev_priv *)netdev_priv(dev))->drv_priv;