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From: Leon Romanovsky <leon@kernel.org>
To: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: Leon Romanovsky <leonro@nvidia.com>, Aya Levin <ayal@nvidia.com>,
	Jiri Pirko <jiri@nvidia.com>,
	linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
	netdev@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>,
	Tariq Toukan <tariqt@nvidia.com>
Subject: [PATCH net-next 1/2] net/mlx5: Publish and unpublish all devlink parameters at once
Date: Tue, 14 Sep 2021 15:58:28 +0300	[thread overview]
Message-ID: <3d803cdf1104a97d23c5461869ff2f9cec12825b.1631623748.git.leonro@nvidia.com> (raw)
In-Reply-To: <cover.1631623748.git.leonro@nvidia.com>

From: Leon Romanovsky <leonro@nvidia.com>

The devlink parameters were published in two steps despite being static
and known in advance.

First step was to use devlink_params_publish() which iterated over all
known up to that point parameters and sent notification messages.
In second step, the call was devlink_param_publish() that looped over
same parameters list and sent notification for new parameters.

In order to simplify the API, move devlink_params_publish() to be called
when all parameters were already added and save the need to iterate over
parameters list again.

As a side effect, this change fixes the error unwind flow in which
parameters were not marked as unpublished.

Fixes: 82e6c96f04e1 ("net/mlx5: Register to devlink ingress VLAN filter trap")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index e84287ffc7ce..dde8c03c5cfe 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -625,7 +625,6 @@ static int mlx5_devlink_eth_param_register(struct devlink *devlink)
 	devlink_param_driverinit_value_set(devlink,
 					   DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
 					   value);
-	devlink_param_publish(devlink, &enable_eth_param);
 	return 0;
 }
 
@@ -636,7 +635,6 @@ static void mlx5_devlink_eth_param_unregister(struct devlink *devlink)
 	if (!mlx5_eth_supported(dev))
 		return;
 
-	devlink_param_unpublish(devlink, &enable_eth_param);
 	devlink_param_unregister(devlink, &enable_eth_param);
 }
 
@@ -673,7 +671,6 @@ static int mlx5_devlink_rdma_param_register(struct devlink *devlink)
 	devlink_param_driverinit_value_set(devlink,
 					   DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
 					   value);
-	devlink_param_publish(devlink, &enable_rdma_param);
 	return 0;
 }
 
@@ -684,7 +681,6 @@ static void mlx5_devlink_rdma_param_unregister(struct devlink *devlink)
 	if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND) || MLX5_ESWITCH_MANAGER(dev))
 		return;
 
-	devlink_param_unpublish(devlink, &enable_rdma_param);
 	devlink_param_unregister(devlink, &enable_rdma_param);
 }
 
@@ -709,7 +705,6 @@ static int mlx5_devlink_vnet_param_register(struct devlink *devlink)
 	devlink_param_driverinit_value_set(devlink,
 					   DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
 					   value);
-	devlink_param_publish(devlink, &enable_rdma_param);
 	return 0;
 }
 
@@ -720,7 +715,6 @@ static void mlx5_devlink_vnet_param_unregister(struct devlink *devlink)
 	if (!mlx5_vnet_supported(dev))
 		return;
 
-	devlink_param_unpublish(devlink, &enable_vnet_param);
 	devlink_param_unregister(devlink, &enable_vnet_param);
 }
 
@@ -811,7 +805,6 @@ int mlx5_devlink_register(struct devlink *devlink)
 	if (err)
 		goto params_reg_err;
 	mlx5_devlink_set_params_init_values(devlink);
-	devlink_params_publish(devlink);
 
 	err = mlx5_devlink_auxdev_params_register(devlink);
 	if (err)
@@ -821,6 +814,7 @@ int mlx5_devlink_register(struct devlink *devlink)
 	if (err)
 		goto traps_reg_err;
 
+	devlink_params_publish(devlink);
 	return 0;
 
 traps_reg_err:
@@ -835,9 +829,9 @@ int mlx5_devlink_register(struct devlink *devlink)
 
 void mlx5_devlink_unregister(struct devlink *devlink)
 {
+	devlink_params_unpublish(devlink);
 	mlx5_devlink_traps_unregister(devlink);
 	mlx5_devlink_auxdev_params_unregister(devlink);
-	devlink_params_unpublish(devlink);
 	devlink_params_unregister(devlink, mlx5_devlink_params,
 				  ARRAY_SIZE(mlx5_devlink_params));
 	devlink_unregister(devlink);
-- 
2.31.1


  reply	other threads:[~2021-09-14 12:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14 12:58 [PATCH net-next 0/2] Delete publish of single parameter API Leon Romanovsky
2021-09-14 12:58 ` Leon Romanovsky [this message]
2021-09-14 12:58 ` [PATCH net-next 2/2] devlink: Delete not-used single parameter notification APIs Leon Romanovsky
2021-09-15  3:01   ` Jakub Kicinski
2021-09-15 15:20 ` [PATCH net-next 0/2] Delete publish of single parameter API patchwork-bot+netdevbpf

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