while (txq->cmd_ring.next2comp != tcd->txdIdx) {
mbuf = txq->cmd_ring.buf_info[txq->cmd_ring.next2comp].m;
txq->cmd_ring.buf_info[txq->cmd_ring.next2comp].m = NULL;
while (txq->cmd_ring.next2comp != tcd->txdIdx) {
mbuf = txq->cmd_ring.buf_info[txq->cmd_ring.next2comp].m;
txq->cmd_ring.buf_info[txq->cmd_ring.next2comp].m = NULL;