net/mlx5e: Create auxdev devlink instance in the same ns as parent devlink

Commit cited in "fixes" tag moved the devlink port under separate
devlink entity created for auxiliary device. Respect the network
namespace of parent devlink entity and allocate the devlink there.

Fixes: ee75f1fc ("net/mlx5e: Create separate devlink instance for ethernet auxiliary device")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c

@@ -7,12 +7,14 @@
 static const struct devlink_ops mlx5e_devlink_ops = {
 };
 
-struct mlx5e_dev *mlx5e_create_devlink(struct device *dev)
+struct mlx5e_dev *mlx5e_create_devlink(struct device *dev,
+				       struct mlx5_core_dev *mdev)
 {
 	struct mlx5e_dev *mlx5e_dev;
 	struct devlink *devlink;
 
-	devlink = devlink_alloc(&mlx5e_devlink_ops, sizeof(*mlx5e_dev), dev);
+	devlink = devlink_alloc_ns(&mlx5e_devlink_ops, sizeof(*mlx5e_dev),
+				   devlink_net(priv_to_devlink(mdev)), dev);
 	if (!devlink)
 		return ERR_PTR(-ENOMEM);
 	devlink_register(devlink);

drivers/net/ethernet/mellanox/mlx5/core/en/devlink.h

@@ -7,7 +7,8 @@
 #include <net/devlink.h>
 #include "en.h"
 
-struct mlx5e_dev *mlx5e_create_devlink(struct device *dev);
+struct mlx5e_dev *mlx5e_create_devlink(struct device *dev,
+				       struct mlx5_core_dev *mdev);
 void mlx5e_destroy_devlink(struct mlx5e_dev *mlx5e_dev);
 int mlx5e_devlink_port_register(struct mlx5e_dev *mlx5e_dev,
 				struct mlx5_core_dev *mdev);

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

@@ -5898,7 +5898,7 @@ static int mlx5e_probe(struct auxiliary_device *adev,
 	struct mlx5e_priv *priv;
 	int err;
 
-	mlx5e_dev = mlx5e_create_devlink(&adev->dev);
+	mlx5e_dev = mlx5e_create_devlink(&adev->dev, mdev);
 	if (IS_ERR(mlx5e_dev))
 		return PTR_ERR(mlx5e_dev);
 	auxiliary_set_drvdata(adev, mlx5e_dev);