Enable drivers to publish/unpublish individual parameter.
Signed-off-by: Parav Pandit <parav@xxxxxxxxxx>
Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
include/net/devlink.h | 4 ++++
net/core/devlink.c | 48 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/include/net/devlink.h b/include/net/devlink.h
index f6459ee77114..1151497c0ec5 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -1651,6 +1651,10 @@ void devlink_param_unregister(struct devlink *devlink,
const struct devlink_param *param);
void devlink_params_publish(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,
const struct devlink_param *params,
size_t params_count);
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 629291175af3..ee9787314cff 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -9982,6 +9982,54 @@ void devlink_params_unpublish(struct devlink *devlink)
}
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
*
--
2.26.2
