The alignment requested by the FW for WQ buffer allocation is 512.
Change it from cache line alignment to 512.
Fixes: dc9ceff73c99 ("net/mlx5: create advanced RxQ via DevX")
Signed-off-by: Matan Azrad <ma...@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viachesl...@mellanox.com>
---
drivers/net/mlx5/mlx5_prm.h | 3 +++
drivers/net/mlx5/mlx5_rxq.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_prm.h b/drivers/net/mlx5/mlx5_prm.h
index 6ea6345..42ead7d 100644
--- a/drivers/net/mlx5/mlx5_prm.h
+++ b/drivers/net/mlx5/mlx5_prm.h
@@ -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,
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index ad5b0a9..e96bb1e 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -1126,7 +1126,7 @@
/* 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;
--
1.8.3.1
