MLX4_EN_CQ_STATE_NAPI_YIELD
#define CQ_YIELD (MLX4_EN_CQ_STATE_NAPI_YIELD | MLX4_EN_CQ_STATE_POLL_YIELD)
cq->state |= MLX4_EN_CQ_STATE_NAPI_YIELD;
MLX4_EN_CQ_STATE_NAPI_YIELD));