[dpdk-dev] [PATCH] net/mlx5: fix Tx queue size adjustment
Viacheslav Ovsiienko
viacheslavo at nvidia.com
Fri Feb 5 13:43:18 CET 2021
The inline data size alignments should be taken into account
either to conform the rdma-core implementation of sending
queue size calculation.
Fixes: 7e14d144f2ea ("net/mlx5: fix Tx queue size created with DevX")
Signed-off-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>
---
drivers/net/mlx5/mlx5_devx.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_devx.c b/drivers/net/mlx5/mlx5_devx.c
index 1b1a72dd07..e4acab90c8 100644
--- a/drivers/net/mlx5/mlx5_devx.c
+++ b/drivers/net/mlx5/mlx5_devx.c
@@ -1077,15 +1077,18 @@ mlx5_txq_devx_obj_new(struct rte_eth_dev *dev, uint16_t idx)
* internally in the mlx5_calc_sq_size(), we do the same
* for the queue being created with DevX at this point.
*/
- wqe_size = txq_data->tso_en ? txq_ctrl->max_tso_header : 0;
+ wqe_size = txq_data->tso_en ?
+ RTE_ALIGN(txq_ctrl->max_tso_header, MLX5_WSEG_SIZE) : 0;
wqe_size += sizeof(struct mlx5_wqe_cseg) +
sizeof(struct mlx5_wqe_eseg) +
sizeof(struct mlx5_wqe_dseg);
if (txq_data->inlen_send)
- wqe_size = RTE_MAX(wqe_size, txq_data->inlen_send +
- sizeof(struct mlx5_wqe_cseg) +
- sizeof(struct mlx5_wqe_eseg));
- wqe_size = RTE_ALIGN_CEIL(wqe_size, MLX5_WQE_SIZE) / MLX5_WQE_SIZE;
+ wqe_size = RTE_MAX(wqe_size, sizeof(struct mlx5_wqe_cseg) +
+ sizeof(struct mlx5_wqe_eseg) +
+ RTE_ALIGN(txq_data->inlen_send +
+ sizeof(uint32_t),
+ MLX5_WSEG_SIZE));
+ wqe_size = RTE_ALIGN(wqe_size, MLX5_WQE_SIZE) / MLX5_WQE_SIZE;
/* Create Send Queue object with DevX. */
wqe_n = RTE_MIN((1UL << txq_data->elts_n) * wqe_size,
(uint32_t)priv->sh->device_attr.max_qp_wr);
--
2.18.1
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