VFPF_TXQ_VALID
if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
if (setup_q->param_valid & VFPF_TXQ_VALID) {
req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;