net/mlx5: Move esw multiport devlink param to eswitch code

Move the param registration and handling code into the eswitch
code as they are related to each other. No point in having the
devlink param registration done in separate file.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

1 files changed, 47 insertions, 2 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index b33d852aae34..2af9c4646bc7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -41,6 +41,7 @@
 #include "esw/qos.h"
 #include "mlx5_core.h"
 #include "lib/eq.h"
+#include "lag/lag.h"
 #include "eswitch.h"
 #include "fs_core.h"
 #include "devlink.h"
@@ -1709,6 +1710,38 @@ err:
 	return err;
 }
 
+static int mlx5_devlink_esw_multiport_set(struct devlink *devlink, u32 id,
+					  struct devlink_param_gset_ctx *ctx)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+
+	if (!MLX5_ESWITCH_MANAGER(dev))
+		return -EOPNOTSUPP;
+
+	if (ctx->val.vbool)
+		return mlx5_lag_mpesw_enable(dev);
+
+	mlx5_lag_mpesw_disable(dev);
+	return 0;
+}
+
+static int mlx5_devlink_esw_multiport_get(struct devlink *devlink, u32 id,
+					  struct devlink_param_gset_ctx *ctx)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+
+	ctx->val.vbool = mlx5_lag_is_mpesw(dev);
+	return 0;
+}
+
+static const struct devlink_param mlx5_eswitch_params[] = {
+	DEVLINK_PARAM_DRIVER(MLX5_DEVLINK_PARAM_ID_ESW_MULTIPORT,
+			     "esw_multiport", DEVLINK_PARAM_TYPE_BOOL,
+			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
+			     mlx5_devlink_esw_multiport_get,
+			     mlx5_devlink_esw_multiport_set, NULL),
+};
+
 int mlx5_eswitch_init(struct mlx5_core_dev *dev)
 {
 	struct mlx5_eswitch *esw;
@@ -1717,9 +1750,16 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
 	if (!MLX5_VPORT_MANAGER(dev) && !MLX5_ESWITCH_MANAGER(dev))
 		return 0;
 
+	err = devl_params_register(priv_to_devlink(dev), mlx5_eswitch_params,
+				   ARRAY_SIZE(mlx5_eswitch_params));
+	if (err)
+		return err;
+
 	esw = kzalloc(sizeof(*esw), GFP_KERNEL);
-	if (!esw)
-		return -ENOMEM;
+	if (!esw) {
+		err = -ENOMEM;
+		goto unregister_param;
+	}
 
 	esw->dev = dev;
 	esw->manager_vport = mlx5_eswitch_manager_vport(dev);
@@ -1779,6 +1819,9 @@ abort:
 	if (esw->work_queue)
 		destroy_workqueue(esw->work_queue);
 	kfree(esw);
+unregister_param:
+	devl_params_unregister(priv_to_devlink(dev), mlx5_eswitch_params,
+			       ARRAY_SIZE(mlx5_eswitch_params));
 	return err;
 }
 
@@ -1802,6 +1845,8 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
 	esw_offloads_cleanup(esw);
 	mlx5_esw_vports_cleanup(esw);
 	kfree(esw);
+	devl_params_unregister(priv_to_devlink(esw->dev), mlx5_eswitch_params,
+			       ARRAY_SIZE(mlx5_eswitch_params));
 }
 
 /* Vport Administration */