IPOIB_CM_IETF_ID
ret = ib_cm_listen(priv->cm.id, cpu_to_be64(IPOIB_CM_IETF_ID | priv->qp->qp_num), 0);
IPOIB_CM_IETF_ID | priv->qp->qp_num);
req.service_id = cpu_to_be64(IPOIB_CM_IETF_ID | qpn);