Commit 0498628f authored by Eli Cohen's avatar Eli Cohen Committed by Roland Dreier
Browse files

mlx4_core: Allow log_mtts_per_seg up to 7 



As there are now machines with a lot more physical memory, we need to
be able to register more memory. This patch lifts the upper limit of
log_mtts_per_seg from 5 to 7, increasing the amount of memory that can
be registered.

Signed-off-by: default avatarEli Cohen <eli@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 252a52aa

drivers/net/mlx4/main.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -103,7 +103,7 @@ MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports " 




static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);

static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);

module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);

module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);

MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)");

MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)");





int mlx4_check_port_params(struct mlx4_dev *dev,

int mlx4_check_port_params(struct mlx4_dev *dev,

			   enum mlx4_port_type *port_type)

			   enum mlx4_port_type *port_type)
@@ -1304,7 +1304,7 @@ static int __init mlx4_verify_params(void) 
		return -1;

		return -1;

	}

	}





	if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {

	if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) {

		pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);

		pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);

		return -1;

		return -1;

	}

	}

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