From: Vu Pham <vuhuong@mellanox.com>
Date: Tue, 23 Jun 2020 12:32:31 -0700
Subject: net/mlx5: E-Switch, Check and enable metadata support flag before
 using
Patch-mainline: v5.10-rc1
Git-commit: 4e9a9ef7d8a977596e8de8d917bac973d34a9171
References: jsc#SLE-15172

Check E-Switch capabilities and enable metadata support flag
before using it to setup other features that need metadata.

Signed-off-by: Vu Pham <vuhuong@mellanox.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c |   15 +++++--------
 1 file changed, 6 insertions(+), 9 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1971,16 +1971,9 @@ esw_vport_destroy_offloads_acl_tables(st
 static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw)
 {
 	struct mlx5_vport *vport;
-	int err;
-
-	if (esw_use_vport_metadata(esw))
-		esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;
 
 	vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK);
-	err = esw_vport_create_offloads_acl_tables(esw, vport);
-	if (err)
-		esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA;
-	return err;
+	return esw_vport_create_offloads_acl_tables(esw, vport);
 }
 
 static void esw_destroy_uplink_offloads_acl_tables(struct mlx5_eswitch *esw)
@@ -1989,7 +1982,6 @@ static void esw_destroy_uplink_offloads_
 
 	vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK);
 	esw_vport_destroy_offloads_acl_tables(esw, vport);
-	esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA;
 }
 
 static int esw_offloads_steering_init(struct mlx5_eswitch *esw)
@@ -2149,6 +2141,9 @@ int esw_offloads_enable(struct mlx5_eswi
 	if (err)
 		goto err_vport_metadata;
 
+	if (esw_use_vport_metadata(esw))
+		esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;
+
 	err = esw_set_passing_vport_metadata(esw, true);
 	if (err)
 		goto err_vport_metadata;
@@ -2181,6 +2176,7 @@ err_uplink:
 err_steering_init:
 	esw_set_passing_vport_metadata(esw, false);
 err_vport_metadata:
+	esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA;
 	mlx5_rdma_disable_roce(esw->dev);
 	mutex_destroy(&esw->offloads.termtbl_mutex);
 	return err;
@@ -2214,6 +2210,7 @@ void esw_offloads_disable(struct mlx5_es
 	esw_offloads_unload_rep(esw, MLX5_VPORT_UPLINK);
 	esw_set_passing_vport_metadata(esw, false);
 	esw_offloads_steering_cleanup(esw);
+	esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA;
 	mlx5_rdma_disable_roce(esw->dev);
 	mutex_destroy(&esw->offloads.termtbl_mutex);
 	esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;