From: Eli Cohen <e...@mellanox.com>
Activate 4K UAR support for firmware versions that support it.
Signed-off-by: Eli Cohen <e...@mellanox.com>
Reviewed-by: Matan Barak <mat...@mellanox.com>
Signed-off-by: Leon Romanovsky <l...@kernel.org>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c
b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index ff1f144..a16ee16 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -530,6 +530,10 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
/* disable cmdif checksum */
MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0);
+ /* If the HCA supports 4K UARs use it */
+ if (MLX5_CAP_GEN_MAX(dev, uar_4k))
+ MLX5_SET(cmd_hca_cap, set_hca_cap, uar_4k, 1);
+
MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12);
err = set_caps(dev, set_ctx, set_sz,
--
2.7.4
