Commit 1dc85133 authored by Eli Cohen's avatar Eli Cohen Committed by Saeed Mahameed
Browse files

net/mlx5: Refactor calculation of required completion vectors 



Move the calculation to a separate function. We will add more
functionality to it in a follow up patch.

Signed-off-by: default avatarEli Cohen <elic@nvidia.com>
Reviewed-by: default avatarShay Drory <shayd@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Reviewed-by: default avatarJacob Keller <jacob.e.keller@intel.com>
parent fe578cbb

drivers/net/ethernet/mellanox/mlx5/core/eq.c

+18 −10
Original line number Diff line number Diff line
@@ -1113,26 +1113,34 @@ void mlx5_core_eq_free_irqs(struct mlx5_core_dev *dev) 
#define MLX5_MAX_ASYNC_EQS 3

#endif



int mlx5_eq_table_create(struct mlx5_core_dev *dev)

static int get_num_eqs(struct mlx5_core_dev *dev)

{

	struct mlx5_eq_table *eq_table = dev->priv.eq_table;

	int num_eqs = MLX5_CAP_GEN(dev, max_num_eqs) ?

	int max_dev_eqs;

	int max_eqs_sf;

	int num_eqs;



	max_dev_eqs = MLX5_CAP_GEN(dev, max_num_eqs) ?

		      MLX5_CAP_GEN(dev, max_num_eqs) :

		      1 << MLX5_CAP_GEN(dev, log_max_eq);

	int max_eqs_sf;

	int err;



	eq_table->num_comp_eqs =

		min_t(int,

		      mlx5_irq_table_get_num_comp(eq_table->irq_table),

		      num_eqs - MLX5_MAX_ASYNC_EQS);

	num_eqs = min_t(int, mlx5_irq_table_get_num_comp(eq_table->irq_table),

			max_dev_eqs - MLX5_MAX_ASYNC_EQS);

	if (mlx5_core_is_sf(dev)) {

		max_eqs_sf = min_t(int, MLX5_COMP_EQS_PER_SF,

				   mlx5_irq_table_get_sfs_vec(eq_table->irq_table));

		eq_table->num_comp_eqs = min_t(int, eq_table->num_comp_eqs,

					       max_eqs_sf);

		num_eqs = min_t(int, num_eqs, max_eqs_sf);

	}



	return num_eqs;

}



int mlx5_eq_table_create(struct mlx5_core_dev *dev)

{

	struct mlx5_eq_table *eq_table = dev->priv.eq_table;

	int err;



	eq_table->num_comp_eqs = get_num_eqs(dev);

	err = create_async_eqs(dev);

	if (err) {

		mlx5_core_err(dev, "Failed to create async EQs\n");