[dpdk-dev] [PATCH 2/3] net/mlx5: fix wrong htons

Adrien Mazarguil adrien.mazarguil at 6wind.com
Thu Nov 17 11:38:11 CET 2016


On Thu, Nov 17, 2016 at 10:49:55AM +0100, Nelio Laranjeiro wrote:
> Completion queue entry data uses network endian, to access them we should use
> ntoh*().
> 
> Fixes: c305090bbaf8 ("net/mlx5: replace countdown with threshold for Tx completions")
> 
> CC: stable at dpdk.org
> 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 9bd4d80..04860bb 100644
> --- a/drivers/net/mlx5/mlx5_rxtx.c
> +++ b/drivers/net/mlx5/mlx5_rxtx.c
> @@ -201,7 +201,7 @@ txq_complete(struct txq *txq)
>  	} while (1);
>  	if (unlikely(cqe == NULL))
>  		return;
> -	wqe = &(*txq->wqes)[htons(cqe->wqe_counter) &
> +	wqe = &(*txq->wqes)[ntohs(cqe->wqe_counter) &
>  			    ((1 << txq->wqe_n) - 1)].hdr;
>  	elts_tail = wqe->ctrl[3];
>  	assert(elts_tail < (1 << txq->wqe_n));
> -- 
> 2.1.4

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

-- 
Adrien Mazarguil
6WIND


More information about the dev mailing list