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net/mlx5: Refactor calculation of required completion vectors

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

Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
This commit is contained in:
Eli Cohen 2023-01-03 09:16:11 +02:00 committed by Saeed Mahameed
parent fe578cbb2f
commit 1dc85133c2
1 changed files with 18 additions and 10 deletions
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28
drivers/net/ethernet/mellanox/mlx5/core/eq.c
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@ -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");