MLXBF_GIGE_TX_WQE_SZ_QWORDS
(tx_wqe_index * MLXBF_GIGE_TX_WQE_SZ_QWORDS);
priv->tx_wqe_next += MLXBF_GIGE_TX_WQE_SZ_QWORDS;
(priv->tx_q_entries * MLXBF_GIGE_TX_WQE_SZ_QWORDS)))