From: Maher Sanalla msanalla@nvidia.com
[ Upstream commit a6e9085d791f8306084fd5bc44dd3fdd4e1ac27b ]
The cited commit limited log_max_qp to be 17 due to FW capabilities. Recently, it turned out that there are old FW versions that supported more than 17, so the cited commit caused a degradation.
Thus, set the maximum log_max_qp back to 18 as it was before the cited commit.
Fixes: 7f839965b2d7 ("net/mlx5: Update log_max_qp value to be 17 at most") Signed-off-by: Maher Sanalla msanalla@nvidia.com Reviewed-by: Maor Gottlieb maorg@nvidia.com Signed-off-by: Saeed Mahameed saeedm@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 4ed740994279..5a6606c843ed 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -516,7 +516,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev, void *set_ctx)
/* Check log_max_qp from HCA caps to set in current profile */ if (prof->log_max_qp == LOG_MAX_SUPPORTED_QPS) { - prof->log_max_qp = min_t(u8, 17, MLX5_CAP_GEN_MAX(dev, log_max_qp)); + prof->log_max_qp = min_t(u8, 18, MLX5_CAP_GEN_MAX(dev, log_max_qp)); } else if (MLX5_CAP_GEN_MAX(dev, log_max_qp) < prof->log_max_qp) { mlx5_core_warn(dev, "log_max_qp value in current profile is %d, changing it to HCA capability limit (%d)\n", prof->log_max_qp,