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devlink: Add APIs to publish, unpublish individual parameter

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Enable drivers to publish/unpublish individual parameter.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Parav Pandit 2021-08-10 16:24:20 +03:00 committed by David S. Miller
parent b40c51efef
commit 9c4a7665b4
2 changed files with 52 additions and 0 deletions
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4
include/net/devlink.h
View File

@ -1651,6 +1651,10 @@ void devlink_param_unregister(struct devlink *devlink,
const struct devlink_param *param); const struct devlink_param *param);
void devlink_params_publish(struct devlink *devlink); void devlink_params_publish(struct devlink *devlink);
void devlink_params_unpublish(struct devlink *devlink); void devlink_params_unpublish(struct devlink *devlink);
void devlink_param_publish(struct devlink *devlink,
const struct devlink_param *param);
void devlink_param_unpublish(struct devlink *devlink,
const struct devlink_param *param);
int devlink_port_params_register(struct devlink_port *devlink_port, int devlink_port_params_register(struct devlink_port *devlink_port,
const struct devlink_param *params, const struct devlink_param *params,
size_t params_count); size_t params_count);

48
net/core/devlink.c
View File

@ -9982,6 +9982,54 @@ void devlink_params_unpublish(struct devlink *devlink)
} }
EXPORT_SYMBOL_GPL(devlink_params_unpublish); EXPORT_SYMBOL_GPL(devlink_params_unpublish);
/**
* devlink_param_publish - publish one configuration parameter
*
* @devlink: devlink
* @param: one configuration parameter
*
* Publish previously registered configuration parameter.
*/
void devlink_param_publish(struct devlink *devlink,
const struct devlink_param *param)
{
struct devlink_param_item *param_item;
list_for_each_entry(param_item, &devlink->param_list, list) {
if (param_item->param != param || param_item->published)
continue;
param_item->published = true;
devlink_param_notify(devlink, 0, param_item,
DEVLINK_CMD_PARAM_NEW);
break;
}
}
EXPORT_SYMBOL_GPL(devlink_param_publish);
/**
* devlink_param_unpublish - unpublish one configuration parameter
*
* @devlink: devlink
* @param: one configuration parameter
*
* Unpublish previously registered configuration parameter.
*/
void devlink_param_unpublish(struct devlink *devlink,
const struct devlink_param *param)
{
struct devlink_param_item *param_item;
list_for_each_entry(param_item, &devlink->param_list, list) {
if (param_item->param != param || !param_item->published)
continue;
param_item->published = false;
devlink_param_notify(devlink, 0, param_item,
DEVLINK_CMD_PARAM_DEL);
break;
}
}
EXPORT_SYMBOL_GPL(devlink_param_unpublish);
/** /**
* devlink_port_params_register - register port configuration parameters * devlink_port_params_register - register port configuration parameters
* *