diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/devlink.h | 115 | ||||
| -rw-r--r-- | include/uapi/linux/devlink.h | 25 |
2 files changed, 140 insertions, 0 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h index b9654e133599..6545b03e97f7 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -26,10 +26,12 @@ struct devlink { struct list_head port_list; struct list_head sb_list; struct list_head dpipe_table_list; + struct list_head resource_list; struct devlink_dpipe_headers *dpipe_headers; const struct devlink_ops *ops; struct device *dev; possible_net_t _net; + struct mutex lock; char priv[0] __aligned(NETDEV_ALIGN); }; @@ -181,6 +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 */ @@ -190,6 +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; }; @@ -223,7 +231,63 @@ struct devlink_dpipe_headers { unsigned int headers_count; }; +/** + * struct devlink_resource_ops - resource ops + * @occ_get: get the occupied size + * @size_validate: validate the size of the resource before update, reload + * is needed for changes to take place + */ +struct devlink_resource_ops { + u64 (*occ_get)(struct devlink *devlink); + int (*size_validate)(struct devlink *devlink, u64 size, + struct netlink_ext_ack *extack); +}; + +/** + * struct devlink_resource_size_params - resource's size parameters + * @size_min: minimum size which can be set + * @size_max: maximum size which can be set + * @size_granularity: size granularity + * @size_unit: resource's basic unit + */ +struct devlink_resource_size_params { + u64 size_min; + u64 size_max; + u64 size_granularity; + enum devlink_resource_unit unit; +}; + +/** + * struct devlink_resource - devlink resource + * @name: name of the resource + * @id: id, per devlink instance + * @size: size of the resource + * @size_new: updated size of the resource, reload is needed + * @size_valid: valid in case the total size of the resource is valid + * including its children + * @parent: parent resource + * @size_params: size parameters + * @list: parent list + * @resource_list: list of child resources + * @resource_ops: resource ops + */ +struct devlink_resource { + const char *name; + u64 id; + u64 size; + u64 size_new; + bool size_valid; + struct devlink_resource *parent; + struct devlink_resource_size_params *size_params; + struct list_head list; + struct list_head resource_list; + const struct devlink_resource_ops *resource_ops; +}; + +#define DEVLINK_RESOURCE_ID_PARENT_TOP 0 + struct devlink_ops { + int (*reload)(struct devlink *devlink); int (*port_type_set)(struct devlink_port *devlink_port, enum devlink_port_type port_type); int (*port_split)(struct devlink *devlink, unsigned int port_index, @@ -332,6 +396,23 @@ extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; +int devlink_resource_register(struct devlink *devlink, + const char *resource_name, + bool top_hierarchy, + u64 resource_size, + u64 resource_id, + u64 parent_resource_id, + struct devlink_resource_size_params *size_params, + const struct devlink_resource_ops *resource_ops); +void devlink_resources_unregister(struct devlink *devlink, + struct devlink_resource *resource); +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 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, @@ -468,6 +549,40 @@ devlink_dpipe_match_put(struct sk_buff *skb, return 0; } +static inline int +devlink_resource_register(struct devlink *devlink, + const char *resource_name, + bool top_hierarchy, + u64 resource_size, + u64 resource_id, + u64 parent_resource_id, + struct devlink_resource_size_params *size_params, + const struct devlink_resource_ops *resource_ops) +{ + return 0; +} + +static inline void +devlink_resources_unregister(struct devlink *devlink, + struct devlink_resource *resource) +{ +} + +static inline int +devlink_resource_size_get(struct devlink *devlink, u64 resource_id, + u64 *p_resource_size) +{ + 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 6665df69e26a..1df65a4c2044 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -70,6 +70,13 @@ enum devlink_command { DEVLINK_CMD_DPIPE_ENTRIES_GET, DEVLINK_CMD_DPIPE_HEADERS_GET, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, + DEVLINK_CMD_RESOURCE_SET, + DEVLINK_CMD_RESOURCE_DUMP, + + /* Hot driver reload, makes configuration changes take place. The + * devlink instance is not released during the process. + */ + DEVLINK_CMD_RELOAD, /* add new commands above here */ __DEVLINK_CMD_MAX, @@ -202,6 +209,20 @@ enum devlink_attr { DEVLINK_ATTR_PAD, DEVLINK_ATTR_ESWITCH_ENCAP_MODE, /* u8 */ + DEVLINK_ATTR_RESOURCE_LIST, /* nested */ + DEVLINK_ATTR_RESOURCE, /* nested */ + DEVLINK_ATTR_RESOURCE_NAME, /* string */ + DEVLINK_ATTR_RESOURCE_ID, /* u64 */ + DEVLINK_ATTR_RESOURCE_SIZE, /* u64 */ + DEVLINK_ATTR_RESOURCE_SIZE_NEW, /* u64 */ + DEVLINK_ATTR_RESOURCE_SIZE_VALID, /* u8 */ + DEVLINK_ATTR_RESOURCE_SIZE_MIN, /* u64 */ + DEVLINK_ATTR_RESOURCE_SIZE_MAX, /* u64 */ + 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 */ @@ -245,4 +266,8 @@ enum devlink_dpipe_header_id { DEVLINK_DPIPE_HEADER_IPV6, }; +enum devlink_resource_unit { + DEVLINK_RESOURCE_UNIT_ENTRY, +}; + #endif /* _UAPI_LINUX_DEVLINK_H_ */ |