[dpdk-dev] [PATCH] net/mlx5: fix creation of compressed Rx completion queue

Yongseok Koh yskoh at mellanox.com
Fri Oct 13 22:00:19 CEST 2017


The size of Rx completion queue should be doubled if compression is enabled
in case of non-vectorized Rx.

Fixes: 523f5a742102 ("net/mlx5: fix configuration of Rx CQE compression")
Cc: stable at dpdk.org

Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
---
 drivers/net/mlx5/mlx5_rxq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 632d45103..ad741ef44 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -617,7 +617,7 @@ mlx5_priv_rxq_ibv_new(struct priv *priv, uint16_t idx)
 		 * make cq_ci and rq_ci aligned.
 		 */
 		if (rxq_check_vec_support(rxq_data) < 0)
-			cqe_n *= 2;
+			attr.cq.ibv.cqe *= 2;
 	} else if (priv->cqe_comp && rxq_data->hw_timestamp) {
 		DEBUG("Rx CQE compression is disabled for HW timestamp");
 	}
-- 
2.13.5 (Apple Git-94)



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