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authorShay Drory <shayd@nvidia.com>2024-04-09 22:08:09 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-04-27 18:12:57 +0300
commitd0faa5416a1c675912257cafc0de1db946e37cbf (patch)
treec19719fc22df9555c35ae62fa8171e160bfa71e0
parent349240339c664fc8b9c51d0edb4bf3defa684a43 (diff)
downloadlinux-d0faa5416a1c675912257cafc0de1db946e37cbf.tar.xz
net/mlx5: E-switch, store eswitch pointer before registering devlink_param
[ Upstream commit 0553e753ea9ee724acaf6b3dfc7354702af83567 ] Next patch will move devlink register to be first. Therefore, whenever mlx5 will register a param, the user will be notified. In order to notify the user, devlink is using the get() callback of the param. Hence, resources that are being used by the get() callback must be set before the devlink param is registered. Therefore, store eswitch pointer inside mdev before registering the param. Signed-off-by: Shay Drory <shayd@nvidia.com> Reviewed-by: Moshe Shemesh <moshe@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/r/20240409190820.227554-2-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.c9
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c4
2 files changed, 7 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 3047d7015c52..1789800faaeb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1868,6 +1868,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
if (err)
goto abort;
+ dev->priv.eswitch = esw;
err = esw_offloads_init(esw);
if (err)
goto reps_err;
@@ -1892,11 +1893,6 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC;
else
esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
- if (MLX5_ESWITCH_MANAGER(dev) &&
- mlx5_esw_vport_match_metadata_supported(esw))
- esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;
-
- dev->priv.eswitch = esw;
BLOCKING_INIT_NOTIFIER_HEAD(&esw->n_head);
esw_info(dev,
@@ -1908,6 +1904,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
reps_err:
mlx5_esw_vports_cleanup(esw);
+ dev->priv.eswitch = NULL;
abort:
if (esw->work_queue)
destroy_workqueue(esw->work_queue);
@@ -1926,7 +1923,6 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
esw_info(esw->dev, "cleanup\n");
- esw->dev->priv.eswitch = NULL;
destroy_workqueue(esw->work_queue);
WARN_ON(refcount_read(&esw->qos.refcnt));
mutex_destroy(&esw->state_lock);
@@ -1937,6 +1933,7 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
mutex_destroy(&esw->offloads.encap_tbl_lock);
mutex_destroy(&esw->offloads.decap_tbl_lock);
esw_offloads_cleanup(esw);
+ esw->dev->priv.eswitch = NULL;
mlx5_esw_vports_cleanup(esw);
debugfs_remove_recursive(esw->debugfs_root);
devl_params_unregister(priv_to_devlink(esw->dev), mlx5_eswitch_params,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index baaae628b0a0..e3cce110e52f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2476,6 +2476,10 @@ int esw_offloads_init(struct mlx5_eswitch *esw)
if (err)
return err;
+ if (MLX5_ESWITCH_MANAGER(esw->dev) &&
+ mlx5_esw_vport_match_metadata_supported(esw))
+ esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;
+
err = devl_params_register(priv_to_devlink(esw->dev),
esw_devlink_params,
ARRAY_SIZE(esw_devlink_params));