Re: [dpdk-dev] [PATCH v5 7/7] app/bbdev: update offload test to dequeue full ring

[Tom Rix <trix@redhat.com>]

On 10/23/20 4:43 PM, Nicolas Chautru wrote:
> update offload dequeue to retrieve the full ring to be
> agnostic of implementation.
>
> Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
> Acked-by: Aidan Goddard <aidan.goddard@accelercomm.com>
> Acked-by: Dave Burley <dave.burley@accelercomm.com>
> ---
>  app/test-bbdev/test_bbdev_perf.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c
> index b5dc536..a6884c5 100644
> --- a/app/test-bbdev/test_bbdev_perf.c
> +++ b/app/test-bbdev/test_bbdev_perf.c
> @@ -4463,8 +4463,8 @@ typedef int (test_case_function)(struct active_device *ad,
>  		/* Dequeue one operation */
This comment and similar need to change, not doing just 1 anymore
>  		do {
>  			deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id,
> -					&ops_deq[deq], 1);
> -		} while (unlikely(deq != 1));
> +					&ops_deq[deq], enq);
> +		} while (unlikely(deq == 0));

This check looks wrong, should likely be (deq != enq)

Similar below

Tom

>  
>  		deq_last_time = rte_rdtsc_precise() - deq_start_time;
>  		time_st->deq_max_time = RTE_MAX(time_st->deq_max_time,
> @@ -4554,8 +4554,8 @@ typedef int (test_case_function)(struct active_device *ad,
>  		/* Dequeue one operation */
>  		do {
>  			deq += rte_bbdev_dequeue_ldpc_dec_ops(dev_id, queue_id,
> -					&ops_deq[deq], 1);
> -		} while (unlikely(deq != 1));
> +					&ops_deq[deq], enq);
> +		} while (unlikely(deq == 0));
>  
>  		deq_last_time = rte_rdtsc_precise() - deq_start_time;
>  		time_st->deq_max_time = RTE_MAX(time_st->deq_max_time,
> @@ -4642,8 +4642,8 @@ typedef int (test_case_function)(struct active_device *ad,
>  		/* Dequeue one operation */
>  		do {
>  			deq += rte_bbdev_dequeue_enc_ops(dev_id, queue_id,
> -					&ops_deq[deq], 1);
> -		} while (unlikely(deq != 1));
> +					&ops_deq[deq], enq);
> +		} while (unlikely(deq == 0));
>  
>  		deq_last_time = rte_rdtsc_precise() - deq_start_time;
>  		time_st->deq_max_time = RTE_MAX(time_st->deq_max_time,
> @@ -4725,8 +4725,8 @@ typedef int (test_case_function)(struct active_device *ad,
>  		/* Dequeue one operation */
>  		do {
>  			deq += rte_bbdev_dequeue_ldpc_enc_ops(dev_id, queue_id,
> -					&ops_deq[deq], 1);
> -		} while (unlikely(deq != 1));
> +					&ops_deq[deq], enq);
> +		} while (unlikely(deq == 0));
>  
>  		deq_last_time = rte_rdtsc_precise() - deq_start_time;
>  		time_st->deq_max_time = RTE_MAX(time_st->deq_max_time,