XGBE_TX_DESC_CNT_MAX
.isc_ntxd_max = {XGBE_TX_DESC_CNT_MAX},
(sys_op->tx_pending > XGBE_TX_DESC_CNT_MAX)) {
XGBE_TX_DESC_CNT_MIN, XGBE_TX_DESC_CNT_MAX);
sys_op->tx_max_pending = XGBE_TX_DESC_CNT_MAX;