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net/mlx5: fix DevX Rx queue memory alignment

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The alignment requested by the FW for WQ buffer allocation is 512.

Change it from cache line alignment to 512.

Fixes: dc9ceff73c ("net/mlx5: create advanced RxQ via DevX")

Signed-off-by: Matan Azrad <matan@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
This commit is contained in:
Matan Azrad 2019-07-29 11:53:26 +00:00 committed by Ferruh Yigit
parent bd41389e35
commit 18a68e046b
2 changed files with 4 additions and 1 deletions
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3
drivers/net/mlx5/mlx5_prm.h
View File

@ -240,6 +240,9 @@
/* The maximum log value of segments per RQ WQE. */
#define MLX5_MAX_LOG_RQ_SEGS 5u
/* The alignment needed for WQ buffer. */
#define MLX5_WQE_BUF_ALIGNMENT 512
/* Completion mode. */
enum mlx5_completion_mode {
MLX5_COMP_ONLY_ERR = 0x0,

2
drivers/net/mlx5/mlx5_rxq.c
View File

@ -1126,7 +1126,7 @@ mlx5_devx_rq_new(struct rte_eth_dev *dev, uint16_t idx, uint32_t cqn)
/* Calculate and allocate WQ memory space. */
wqe_size = 1 << log_wqe_size; /* round up power of two.*/
wq_size = wqe_n * wqe_size;
buf = rte_calloc_socket(__func__, 1, wq_size, RTE_CACHE_LINE_SIZE,
buf = rte_calloc_socket(__func__, 1, wq_size, MLX5_WQE_BUF_ALIGNMENT,
rxq_ctrl->socket);
if (!buf)
return NULL;