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net/mlx5: Activate support for 4K UARs

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Activate 4K UAR support for firmware versions that support it.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Cohen 2017-01-03 23:55:28 +02:00 committed by Saeed Mahameed
parent 30aa60b3bd
commit f502d83495
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/main.c
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@ -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,