diff options
| author | Eli Cohen <elic@nvidia.com> | 2023-01-03 10:16:11 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2023-03-25 02:04:30 +0300 |
| commit | 1dc85133c207831dbaa91941a98f6c488411927a (patch) | |
| tree | 40f74c77bfae3b24f349095a225068d944b34666 /drivers/net/ethernet/mellanox/mlx5/core/eq.c | |
| parent | fe578cbb2f053f465e19d2671a523dcd01953888 (diff) | |
| download | linux-1dc85133c207831dbaa91941a98f6c488411927a.tar.xz | |
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: 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>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eq.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eq.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 888ccfcbcce6..66696c935cc5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -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"); |