ntb_transport_max_size
if (new_mtu > ntb_transport_max_size(dev->queues[0].qp) - ETH_HLEN)
ndev->mtu = ntb_transport_max_size(dev->queues[0].qp) - ETH_HLEN;
EXPORT_SYMBOL_GPL(ntb_transport_max_size);
unsigned int ntb_transport_max_size(struct ntb_transport_qp *qp);