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-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.c5
-rw-r--r--include/net/devlink.h11
-rw-r--r--net/core/devlink.c48
5 files changed, 67 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index a6abfa4fb168..2955e404fd18 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -258,6 +258,9 @@ int bnxt_dl_register(struct bnxt *bp)
netdev_err(bp->dev, "devlink_port_params_register failed");
goto err_dl_port_unreg;
}
+
+ devlink_params_publish(dl);
+
return 0;
err_dl_port_unreg:
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index bdb8dd161923..1f6e16d5ea6b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -3981,6 +3981,7 @@ static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
goto err_params_unregister;
+ devlink_params_publish(devlink);
pci_save_state(pdev);
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index 4f6fa515394e..b505d3858235 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -1062,6 +1062,9 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
goto err_driver_init;
}
+ if (mlxsw_driver->params_register && !reload)
+ devlink_params_publish(devlink);
+
return 0;
err_driver_init:
@@ -1131,6 +1134,8 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core,
return;
}
+ if (mlxsw_core->driver->params_unregister && !reload)
+ devlink_params_unpublish(devlink);
if (mlxsw_core->driver->fini)
mlxsw_core->driver->fini(mlxsw_core);
mlxsw_thermal_fini(mlxsw_core->thermal);
diff --git a/include/net/devlink.h b/include/net/devlink.h
index c12ad6e9095d..2b384a38911b 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -358,6 +358,7 @@ 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 {
@@ -618,6 +619,8 @@ int devlink_params_register(struct devlink *devlink,
void devlink_params_unregister(struct devlink *devlink,
const struct devlink_param *params,
size_t params_count);
+void devlink_params_publish(struct devlink *devlink);
+void devlink_params_unpublish(struct devlink *devlink);
int devlink_port_params_register(struct devlink_port *devlink_port,
const struct devlink_param *params,
size_t params_count);
@@ -724,6 +727,14 @@ static inline void devlink_unregister(struct devlink *devlink)
{
}
+static inline void devlink_params_publish(struct devlink *devlink)
+{
+}
+
+static inline void devlink_params_unpublish(struct devlink *devlink)
+{
+}
+
static inline void devlink_free(struct devlink *devlink)
{
kfree(devlink);
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 7fbdba547d4f..e6a015b8ac9b 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -2858,6 +2858,7 @@ static int devlink_nl_param_fill(struct sk_buff *msg, struct devlink *devlink,
u32 portid, u32 seq, int flags)
{
union devlink_param_value param_value[DEVLINK_PARAM_CMODE_MAX + 1];
+ bool param_value_set[DEVLINK_PARAM_CMODE_MAX + 1] = {};
const struct devlink_param *param = param_item->param;
struct devlink_param_gset_ctx ctx;
struct nlattr *param_values_list;
@@ -2876,12 +2877,15 @@ 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)
return err;
param_value[i] = ctx.val;
}
+ param_value_set[i] = true;
}
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
@@ -2916,7 +2920,7 @@ static int devlink_nl_param_fill(struct sk_buff *msg, struct devlink *devlink,
goto param_nest_cancel;
for (i = 0; i <= DEVLINK_PARAM_CMODE_MAX; i++) {
- if (!devlink_param_cmode_is_supported(param, i))
+ if (!param_value_set[i])
continue;
err = devlink_nl_param_value_fill_one(msg, param->type,
i, param_value[i]);
@@ -5887,6 +5891,48 @@ void devlink_params_unregister(struct devlink *devlink,
EXPORT_SYMBOL_GPL(devlink_params_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;
+
+ 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_port_params_register - register port configuration parameters
*
* @devlink_port: devlink port