[dpdk-stable] [PATCH] net/mlx5: fix WQE counter assert in free completion queue

[Raslan Darawsheh]

Hi,

> -----Original Message-----
> From: Alexander Kozyrev <akozyrev at nvidia.com>
> Sent: Monday, November 16, 2020 9:48 PM
> To: dev at dpdk.org
> Cc: stable at dpdk.org; Raslan Darawsheh <rasland at nvidia.com>; Slava
> Ovsiienko <viacheslavo at nvidia.com>; Matan Azrad <matan at nvidia.com>
> Subject: [PATCH] net/mlx5: fix WQE counter assert in free completion queue
> 
> The following assertion fails in case RTE_ENABLE_ASSERT is enabled:
> PANIC in mlx5_tx_handle_completion():
> assert "(txq->fcqs[txq->cq_ci & txq->cqe_m] >> 16)
> 	== cqe->wqe_counter" failed
> 
> The free completion queue only contains an expected WQE counter if
> RTE_LIBRTE_MLX5_DEBUG is enabled as well. Thus enabling
> RTE_ENABLE_ASSERT alone causes the assert to fail.
> 
> Compile the assert conditionally only if RTE_ENABLE_ASSERT is enabled.
> 
> Fixes: 0afacb04f5 ("common/mlx5: remove NDEBUG")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Alexander Kozyrev <akozyrev at nvidia.com>
> Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>
> ---
Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh