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-rw-r--r--include/net/devlink.h17
-rw-r--r--include/uapi/linux/devlink.h2
-rw-r--r--net/core/devlink.c37
3 files changed, 56 insertions, 0 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h
index c698883fb0bb..6545b03e97f7 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -183,6 +183,9 @@ struct devlink_dpipe_table_ops;
* @counters_enabled: indicates if counters are active
* @counter_control_extern: indicates if counter control is in dpipe or
* external tool
+ * @resource_valid: Indicate that the resource id is valid
+ * @resource_id: relative resource this table is related to
+ * @resource_units: number of resource's unit consumed per table's entry
* @table_ops: table operations
* @rcu: rcu
*/
@@ -192,6 +195,9 @@ struct devlink_dpipe_table {
const char *name;
bool counters_enabled;
bool counter_control_extern;
+ bool resource_valid;
+ u64 resource_id;
+ u64 resource_units;
struct devlink_dpipe_table_ops *table_ops;
struct rcu_head rcu;
};
@@ -403,6 +409,9 @@ void devlink_resources_unregister(struct devlink *devlink,
int devlink_resource_size_get(struct devlink *devlink,
u64 resource_id,
u64 *p_resource_size);
+int devlink_dpipe_table_resource_set(struct devlink *devlink,
+ const char *table_name, u64 resource_id,
+ u64 resource_units);
#else
@@ -566,6 +575,14 @@ devlink_resource_size_get(struct devlink *devlink, u64 resource_id,
return -EOPNOTSUPP;
}
+static inline int
+devlink_dpipe_table_resource_set(struct devlink *devlink,
+ const char *table_name, u64 resource_id,
+ u64 resource_units)
+{
+ return -EOPNOTSUPP;
+}
+
#endif
#endif /* _NET_DEVLINK_H_ */
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index 555ddcaf0be2..1df65a4c2044 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -221,6 +221,8 @@ enum devlink_attr {
DEVLINK_ATTR_RESOURCE_SIZE_GRAN, /* u64 */
DEVLINK_ATTR_RESOURCE_UNIT, /* u8 */
DEVLINK_ATTR_RESOURCE_OCC, /* u64 */
+ DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID, /* u64 */
+ DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS,/* u64 */
/* add new attributes above here, update the policy in devlink.c */
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 4c3d85560436..dd7d6dd07bfb 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -1694,6 +1694,12 @@ static int devlink_dpipe_table_put(struct sk_buff *skb,
table->counters_enabled))
goto nla_put_failure;
+ if (table->resource_valid) {
+ nla_put_u64_64bit(skb, DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID,
+ table->resource_id, DEVLINK_ATTR_PAD);
+ nla_put_u64_64bit(skb, DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS,
+ table->resource_units, DEVLINK_ATTR_PAD);
+ }
if (devlink_dpipe_matches_put(table, skb))
goto nla_put_failure;
@@ -3254,6 +3260,37 @@ out:
}
EXPORT_SYMBOL_GPL(devlink_resource_size_get);
+/**
+ * devlink_dpipe_table_resource_set - set the resource id
+ *
+ * @devlink: devlink
+ * @table_name: table name
+ * @resource_id: resource id
+ * @resource_units: number of resource's units consumed per table's entry
+ */
+int devlink_dpipe_table_resource_set(struct devlink *devlink,
+ const char *table_name, u64 resource_id,
+ u64 resource_units)
+{
+ struct devlink_dpipe_table *table;
+ int err = 0;
+
+ mutex_lock(&devlink->lock);
+ table = devlink_dpipe_table_find(&devlink->dpipe_table_list,
+ table_name);
+ if (!table) {
+ err = -EINVAL;
+ goto out;
+ }
+ table->resource_id = resource_id;
+ table->resource_units = resource_units;
+ table->resource_valid = true;
+out:
+ mutex_unlock(&devlink->lock);
+ return err;
+}
+EXPORT_SYMBOL_GPL(devlink_dpipe_table_resource_set);
+
static int __init devlink_module_init(void)
{
return genl_register_family(&devlink_nl_family);