[08/11] net/mlx5: fix DevX Rx queue memory alignment
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Commit Message
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 <matan@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---
drivers/net/mlx5/mlx5_prm.h | 3 +++
drivers/net/mlx5/mlx5_rxq.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
@@ -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,
@@ -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;