[PATCH net-next 2/4] net/mlx5: Delete redundant default assignment of runtime devlink params

From: Moshe Shemesh
Date: Tue Feb 08 2022 - 12:15:04 EST


From: Shay Drory <shayd@xxxxxxxxxx>

Runtime devlink params always read their values from the get() callbacks.
Also, it is an error to set driverinit_value for params which don't
support driverinit cmode. Delete such assignments.

In addition, move the set of default matching mode inside eswitch code.

Signed-off-by: Shay Drory <shayd@xxxxxxxxxx>
Reviewed-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Reviewed-by: Moshe Shemesh <moshe@xxxxxxxxxx>
---
.../net/ethernet/mellanox/mlx5/core/devlink.c | 20 -------------------
.../net/ethernet/mellanox/mlx5/core/eswitch.c | 3 +++
2 files changed, 3 insertions(+), 20 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index d1093bb2d436..e832a3f4c18a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -588,14 +588,6 @@ static void mlx5_devlink_set_params_init_values(struct devlink *devlink)
struct mlx5_core_dev *dev = devlink_priv(devlink);
union devlink_param_value value;

- if (dev->priv.steering->mode == MLX5_FLOW_STEERING_MODE_DMFS)
- strcpy(value.vstr, "dmfs");
- else
- strcpy(value.vstr, "smfs");
- devlink_param_driverinit_value_set(devlink,
- MLX5_DEVLINK_PARAM_ID_FLOW_STEERING_MODE,
- value);
-
value.vbool = MLX5_CAP_GEN(dev, roce);
devlink_param_driverinit_value_set(devlink,
DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
@@ -606,18 +598,6 @@ static void mlx5_devlink_set_params_init_values(struct devlink *devlink)
devlink_param_driverinit_value_set(devlink,
MLX5_DEVLINK_PARAM_ID_ESW_LARGE_GROUP_NUM,
value);
-
- if (MLX5_ESWITCH_MANAGER(dev)) {
- if (mlx5_esw_vport_match_metadata_supported(dev->priv.eswitch)) {
- dev->priv.eswitch->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;
- value.vbool = true;
- } else {
- value.vbool = false;
- }
- devlink_param_driverinit_value_set(devlink,
- MLX5_DEVLINK_PARAM_ID_ESW_PORT_METADATA,
- value);
- }
#endif

value.vu32 = MLX5_COMP_EQ_SIZE;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 458ec0bca1b8..25f2d2717aaa 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1582,6 +1582,9 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC;
else
esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
+ if (MLX5_ESWITCH_MANAGER(dev) &&
+ mlx5_esw_vport_match_metadata_supported(esw))
+ esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;

dev->priv.eswitch = esw;
BLOCKING_INIT_NOTIFIER_HEAD(&esw->n_head);
--
2.26.3