txq->tx_free_thresh = tx_conf->tx_free_thresh ?
tx_conf->tx_free_thresh : DEFAULT_TX_FREE_THRESH;
+ txq->tx_free_thresh = min(txq->tx_free_thresh,
+ txq->nb_tx_desc - BDS_PER_TX_PKT);
PMD_INIT_LOG(DEBUG, "fp[%02d] req_bd=%u, thresh=%u, usable_bd=%lu, "
"total_bd=%lu, tx_pages=%u",