[dpdk-dev] [PATCH 3/3] net/mlx5: do not invalidate title CQE

[Adrien Mazarguil]

On Thu, Nov 17, 2016 at 10:49:56AM +0100, Nelio Laranjeiro wrote:
> We can leave the title completion queue entry untouched since its contents
> are not modified.
> 
> Reported-by: Liming Sun <lsun at mellanox.com>
> Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
> ---
>  drivers/net/mlx5/mlx5_rxtx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
> index 04860bb..ffd09ac 100644
> --- a/drivers/net/mlx5/mlx5_rxtx.c
> +++ b/drivers/net/mlx5/mlx5_rxtx.c
> @@ -1162,7 +1162,7 @@ mlx5_rx_poll_len(struct rxq *rxq, volatile struct mlx5_cqe *cqe,
>  			zip->na += 8;
>  		}
>  		if (unlikely(rxq->zip.ai == rxq->zip.cqe_cnt)) {
> -			uint16_t idx = rxq->cq_ci;
> +			uint16_t idx = rxq->cq_ci + 1;
>  			uint16_t end = zip->cq_ci;
>  
>  			while (idx != end) {
> -- 
> 2.1.4

Acked-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>

-- 
Adrien Mazarguil
6WIND