netdev - [patch net-next v2 12/12] net/mlx5e: Set en auxiliary devlink instance as nested

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Date: Wed, 13 Sep 2023 09:12:43 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
	pabeni@...hat.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	idosch@...dia.com,
	petrm@...dia.com,
	jacob.e.keller@...el.com,
	moshe@...dia.com,
	shayd@...dia.com,
	saeedm@...dia.com,
	horms@...nel.org
Subject: [patch net-next v2 12/12] net/mlx5e: Set en auxiliary devlink instance as nested

From: Jiri Pirko <jiri@...dia.com>

Benefit from the previous commit introducing exposure of devlink
instances relationship and set the nested instance for en auxiliary
device.

Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
v1->v2:
- new patch
---
 drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c
index c6b6e290fd79..0b1ac6e5c890 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c
@@ -12,11 +12,19 @@ struct mlx5e_dev *mlx5e_create_devlink(struct device *dev,
 {
 	struct mlx5e_dev *mlx5e_dev;
 	struct devlink *devlink;
+	int err;
 
 	devlink = devlink_alloc_ns(&mlx5e_devlink_ops, sizeof(*mlx5e_dev),
 				   devlink_net(priv_to_devlink(mdev)), dev);
 	if (!devlink)
 		return ERR_PTR(-ENOMEM);
+
+	err = devl_nested_devlink_set(priv_to_devlink(mdev), devlink);
+	if (err) {
+		devlink_free(devlink);
+		return ERR_PTR(err);
+	}
+
 	devlink_register(devlink);
 	return devlink_priv(devlink);
 }
-- 
2.41.0