[PATCH net-next 1/4] devlink: Delete obsolete parameters publish API

From: Leon Romanovsky
Date: Thu Oct 21 2021 - 10:16:41 EST


From: Leon Romanovsky <leonro@xxxxxxxxxx>

The change of devlink_register() to be last devlink command together
with delayed notification logic made the publish API to be obsolete.

Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
include/net/devlink.h | 3 ---
net/core/devlink.c | 57 ++++++-------------------------------------
2 files changed, 8 insertions(+), 52 deletions(-)

diff --git a/include/net/devlink.h b/include/net/devlink.h
index da3ceeb8b87b..1b1317d378de 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -468,7 +468,6 @@ struct devlink_param_item {
const struct devlink_param *param;
union devlink_param_value driverinit_value;
bool driverinit_value_valid;
- bool published;
};

enum devlink_param_generic_id {
@@ -1592,8 +1591,6 @@ int devlink_param_register(struct devlink *devlink,
const struct devlink_param *param);
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);
int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
union devlink_param_value *init_val);
int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 3464854015a2..e9802421ed50 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -4600,8 +4600,6 @@ static int devlink_nl_param_fill(struct sk_buff *msg, struct devlink *devlink,
return -EOPNOTSUPP;
param_value[i] = param_item->driverinit_value;
} else {
- if (!param_item->published)
- continue;
ctx.cmode = i;
err = devlink_param_get(devlink, param, &ctx);
if (err)
@@ -9076,6 +9074,7 @@ static void devlink_notify_register(struct devlink *devlink)
{
struct devlink_trap_policer_item *policer_item;
struct devlink_trap_group_item *group_item;
+ struct devlink_param_item *param_item;
struct devlink_trap_item *trap_item;
struct devlink_port *devlink_port;
struct devlink_rate *rate_node;
@@ -9102,19 +9101,24 @@ static void devlink_notify_register(struct devlink *devlink)
list_for_each_entry(region, &devlink->region_list, list)
devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_NEW);

- devlink_params_publish(devlink);
+ list_for_each_entry(param_item, &devlink->param_list, list)
+ devlink_param_notify(devlink, 0, param_item,
+ DEVLINK_CMD_PARAM_NEW);
}

static void devlink_notify_unregister(struct devlink *devlink)
{
struct devlink_trap_policer_item *policer_item;
struct devlink_trap_group_item *group_item;
+ struct devlink_param_item *param_item;
struct devlink_trap_item *trap_item;
struct devlink_port *devlink_port;
struct devlink_rate *rate_node;
struct devlink_region *region;

- devlink_params_unpublish(devlink);
+ list_for_each_entry_reverse(param_item, &devlink->param_list, list)
+ devlink_param_notify(devlink, 0, param_item,
+ DEVLINK_CMD_PARAM_DEL);

list_for_each_entry_reverse(region, &devlink->region_list, list)
devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_DEL);
@@ -10229,51 +10233,6 @@ void devlink_param_unregister(struct devlink *devlink,
}
EXPORT_SYMBOL_GPL(devlink_param_unregister);

-/**
- * devlink_params_publish - publish configuration parameters
- *
- * @devlink: devlink
- *
- * Publish previously registered configuration parameters.
- */
-void devlink_params_publish(struct devlink *devlink)
-{
- struct devlink_param_item *param_item;
-
- if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED))
- return;
-
- list_for_each_entry(param_item, &devlink->param_list, list) {
- if (param_item->published)
- continue;
- param_item->published = true;
- devlink_param_notify(devlink, 0, param_item,
- DEVLINK_CMD_PARAM_NEW);
- }
-}
-EXPORT_SYMBOL_GPL(devlink_params_publish);
-
-/**
- * devlink_params_unpublish - unpublish configuration parameters
- *
- * @devlink: devlink
- *
- * Unpublish previously registered configuration parameters.
- */
-void devlink_params_unpublish(struct devlink *devlink)
-{
- struct devlink_param_item *param_item;
-
- list_for_each_entry(param_item, &devlink->param_list, list) {
- if (!param_item->published)
- continue;
- param_item->published = false;
- devlink_param_notify(devlink, 0, param_item,
- DEVLINK_CMD_PARAM_DEL);
- }
-}
-EXPORT_SYMBOL_GPL(devlink_params_unpublish);
-
/**
* devlink_param_driverinit_value_get - get configuration parameter
* value for driver initializing
--
2.31.1