int vhost_set_vring_enable(NetClientState *nc, int enable) { VHostNetState *net = get_vhost_net(nc); const VhostOps *vhost_ops; nc->vring_enable = enable; if (!net) { return 0; } vhost_ops = net->dev.vhost_ops; if (vhost_ops->vhost_set_vring_enable) { return vhost_ops->vhost_set_vring_enable(&net->dev, enable); } return 0; }