[PATCH 5.15 336/917] net/mlx5: Publish and unpublish all devlink parameters at once

Greg Kroah-Hartman
2021-11-15T23:36:32Z

From: Leon Romanovsky <leonro@nvidia.com>

[ Upstream commit e9310aed8e6a5003abb2aa6b9229d2fb9ceb9e85 ]

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parameters were not marked as unpublished.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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 dcf9f27ba2efd..7d56a927081d0 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);
}

@@ -672,7 +670,6 @@ 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;
}

@@ -681,7 +678,6 @@ static void mlx5_devlink_rdma_param_unregister(struct devlink *devlink)
if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND))
return;

- devlink_param_unpublish(devlink, &enable_rdma_param);
devlink_param_unregister(devlink, &enable_rdma_param);
}

@@ -706,7 +702,6 @@ 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;
}

@@ -717,7 +712,6 @@ 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);
}

@@ -808,7 +802,6 @@ 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)
@@ -818,6 +811,7 @@ int mlx5_devlink_register(struct devlink *devlink)
if (err)
goto traps_reg_err;

+ devlink_params_publish(devlink);
return 0;

traps_reg_err:
@@ -832,9 +826,9 @@ params_reg_err:

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);
--
2.33.0