netdev - [net-next 08/15] net/mlx5e: Move devlink port register and unregister calls

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Message-Id: <20210316235112.72626-9-saeed@kernel.org>
Date:   Tue, 16 Mar 2021 16:51:05 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Jiri Pirko <jiri@...dia.com>,
        Roi Dayan <roid@...dia.com>, Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 08/15] net/mlx5e: Move devlink port register and unregister calls

From: Roi Dayan <roid@...dia.com>

We will re-use the native NIC port net device instance for the Uplink
representor. As such we also don't want to unregister/register the
devlink port as part of the profile.

Signed-off-by: Roi Dayan <roid@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../net/ethernet/mellanox/mlx5/core/en_main.c   | 17 +++++++++++------
 .../mellanox/mlx5/core/eswitch_offloads.c       | 15 ++++++++++-----
 2 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index efe8af49b908..3e8434dcc1df 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5306,10 +5306,6 @@ static int mlx5e_nic_init(struct mlx5_core_dev *mdev,
 	if (err)
 		mlx5_core_err(mdev, "TLS initialization failed, %d\n", err);
 
-	err = mlx5e_devlink_port_register(priv);
-	if (err)
-		mlx5_core_err(mdev, "mlx5e_devlink_port_register failed, %d\n", err);
-
 	mlx5e_health_create_reporters(priv);
 
 	return 0;
@@ -5318,7 +5314,6 @@ static int mlx5e_nic_init(struct mlx5_core_dev *mdev,
 static void mlx5e_nic_cleanup(struct mlx5e_priv *priv)
 {
 	mlx5e_health_destroy_reporters(priv);
-	mlx5e_devlink_port_unregister(priv);
 	mlx5e_tls_cleanup(priv);
 	mlx5e_ipsec_cleanup(priv);
 }
@@ -5829,10 +5824,17 @@ static int mlx5e_probe(struct auxiliary_device *adev,
 
 	priv->profile = profile;
 	priv->ppriv = NULL;
+
+	err = mlx5e_devlink_port_register(priv);
+	if (err) {
+		mlx5_core_err(mdev, "mlx5e_devlink_port_register failed, %d\n", err);
+		goto err_destroy_netdev;
+	}
+
 	err = profile->init(mdev, netdev);
 	if (err) {
 		mlx5_core_err(mdev, "mlx5e_nic_profile init failed, %d\n", err);
-		goto err_destroy_netdev;
+		goto err_devlink_cleanup;
 	}
 
 	err = mlx5e_resume(adev);
@@ -5856,6 +5858,8 @@ static int mlx5e_probe(struct auxiliary_device *adev,
 	mlx5e_suspend(adev, state);
 err_profile_cleanup:
 	profile->cleanup(priv);
+err_devlink_cleanup:
+	mlx5e_devlink_port_unregister(priv);
 err_destroy_netdev:
 	mlx5e_destroy_netdev(priv);
 	return err;
@@ -5870,6 +5874,7 @@ static void mlx5e_remove(struct auxiliary_device *adev)
 	unregister_netdev(priv->netdev);
 	mlx5e_suspend(adev, state);
 	priv->profile->cleanup(priv);
+	mlx5e_devlink_port_unregister(priv);
 	mlx5e_destroy_netdev(priv);
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index a215ccee3e61..e1e33e991123 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2259,9 +2259,11 @@ int esw_offloads_load_rep(struct mlx5_eswitch *esw, u16 vport_num)
 	if (esw->mode != MLX5_ESWITCH_OFFLOADS)
 		return 0;
 
-	err = mlx5_esw_offloads_devlink_port_register(esw, vport_num);
-	if (err)
-		return err;
+	if (vport_num != MLX5_VPORT_UPLINK) {
+		err = mlx5_esw_offloads_devlink_port_register(esw, vport_num);
+		if (err)
+			return err;
+	}
 
 	err = mlx5_esw_offloads_rep_load(esw, vport_num);
 	if (err)
@@ -2269,7 +2271,8 @@ int esw_offloads_load_rep(struct mlx5_eswitch *esw, u16 vport_num)
 	return err;
 
 load_err:
-	mlx5_esw_offloads_devlink_port_unregister(esw, vport_num);
+	if (vport_num != MLX5_VPORT_UPLINK)
+		mlx5_esw_offloads_devlink_port_unregister(esw, vport_num);
 	return err;
 }
 
@@ -2279,7 +2282,9 @@ void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num)
 		return;
 
 	mlx5_esw_offloads_rep_unload(esw, vport_num);
-	mlx5_esw_offloads_devlink_port_unregister(esw, vport_num);
+
+	if (vport_num != MLX5_VPORT_UPLINK)
+		mlx5_esw_offloads_devlink_port_unregister(esw, vport_num);
 }
 
 #define ESW_OFFLOADS_DEVCOM_PAIR	(0)
-- 
2.30.2