MLX4_EN_RX_BUDGET
done = mlx4_en_poll_rx_cq(cq, MLX4_EN_RX_BUDGET);
if (priv->port_up && (done == MLX4_EN_RX_BUDGET) ) {
while (mlx4_en_poll_rx_cq(cq, MLX4_EN_RX_BUDGET)
== MLX4_EN_RX_BUDGET);