INT_COAL_MULT
ecoal->rx_coalesce_usecs = GET_INT_COAL(rdintcm) * INT_COAL_MULT;
ecoal->tx_coalesce_usecs = GET_INT_COAL(tdintcm) * INT_COAL_MULT;
rx_coal = ecoal->rx_coalesce_usecs / INT_COAL_MULT;
tx_coal = ecoal->tx_coalesce_usecs / INT_COAL_MULT;