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-rw-r--r--include/net/devlink.h534
1 files changed, 41 insertions, 493 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 63de99e09f04..1c4adfb4195a 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -16,6 +16,7 @@
#include <linux/gfp.h>
#include <linux/list.h>
#include <linux/netdevice.h>
+#include <linux/spinlock.h>
#include <net/net_namespace.h>
#include <uapi/linux/devlink.h>
@@ -31,6 +32,7 @@ struct devlink {
struct list_head region_list;
u32 snapshot_id;
struct list_head reporter_list;
+ struct mutex reporters_lock; /* protects reporter_list */
struct devlink_dpipe_headers *dpipe_headers;
const struct devlink_ops *ops;
struct device *dev;
@@ -40,11 +42,13 @@ struct devlink {
};
struct devlink_port_attrs {
- bool set;
+ u8 set:1,
+ split:1,
+ switch_port:1;
enum devlink_port_flavour flavour;
u32 port_number; /* same value as "split group" */
- bool split;
u32 split_subport_number;
+ struct netdev_phys_item_id switch_id;
};
struct devlink_port {
@@ -53,6 +57,9 @@ struct devlink_port {
struct devlink *devlink;
unsigned index;
bool registered;
+ spinlock_t type_lock; /* Protects type and type_dev
+ * pointer consistency.
+ */
enum devlink_port_type type;
enum devlink_port_type desired_type;
void *type_dev;
@@ -485,13 +492,14 @@ struct devlink_ops {
struct devlink_sb_pool_info *pool_info);
int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
u16 pool_index, u32 size,
- enum devlink_sb_threshold_type threshold_type);
+ enum devlink_sb_threshold_type threshold_type,
+ struct netlink_ext_ack *extack);
int (*sb_port_pool_get)(struct devlink_port *devlink_port,
unsigned int sb_index, u16 pool_index,
u32 *p_threshold);
int (*sb_port_pool_set)(struct devlink_port *devlink_port,
unsigned int sb_index, u16 pool_index,
- u32 threshold);
+ u32 threshold, struct netlink_ext_ack *extack);
int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
unsigned int sb_index,
u16 tc_index,
@@ -501,7 +509,8 @@ struct devlink_ops {
unsigned int sb_index,
u16 tc_index,
enum devlink_sb_pool_type pool_type,
- u16 pool_index, u32 threshold);
+ u16 pool_index, u32 threshold,
+ struct netlink_ext_ack *extack);
int (*sb_occ_snapshot)(struct devlink *devlink,
unsigned int sb_index);
int (*sb_occ_max_clear)(struct devlink *devlink,
@@ -543,19 +552,25 @@ static inline struct devlink *priv_to_devlink(void *priv)
return container_of(priv, struct devlink, priv);
}
+static inline struct devlink_port *
+netdev_to_devlink_port(struct net_device *dev)
+{
+ if (dev->netdev_ops->ndo_get_devlink_port)
+ return dev->netdev_ops->ndo_get_devlink_port(dev);
+ return NULL;
+}
+
static inline struct devlink *netdev_to_devlink(struct net_device *dev)
{
-#if IS_ENABLED(CONFIG_NET_DEVLINK)
- if (dev->netdev_ops->ndo_get_devlink)
- return dev->netdev_ops->ndo_get_devlink(dev);
-#endif
+ struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
+
+ if (devlink_port)
+ return devlink_port->devlink;
return NULL;
}
struct ib_device;
-#if IS_ENABLED(CONFIG_NET_DEVLINK)
-
struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
int devlink_register(struct devlink *devlink, struct device *dev);
void devlink_unregister(struct devlink *devlink);
@@ -572,9 +587,9 @@ void devlink_port_type_clear(struct devlink_port *devlink_port);
void devlink_port_attrs_set(struct devlink_port *devlink_port,
enum devlink_port_flavour flavour,
u32 port_number, bool split,
- u32 split_subport_number);
-int devlink_port_get_phys_port_name(struct devlink_port *devlink_port,
- char *name, size_t len);
+ u32 split_subport_number,
+ const unsigned char *switch_id,
+ unsigned char switch_id_len);
int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
u32 size, u16 ingress_pools_count,
u16 egress_pools_count, u16 ingress_tc_count,
@@ -724,510 +739,43 @@ void
devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
enum devlink_health_reporter_state state);
+#if IS_ENABLED(CONFIG_NET_DEVLINK)
+
void devlink_compat_running_version(struct net_device *dev,
char *buf, size_t len);
int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
+int devlink_compat_phys_port_name_get(struct net_device *dev,
+ char *name, size_t len);
+int devlink_compat_switch_id_get(struct net_device *dev,
+ struct netdev_phys_item_id *ppid);
#else
-static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
- size_t priv_size)
-{
- return kzalloc(sizeof(struct devlink) + priv_size, GFP_KERNEL);
-}
-
-static inline int devlink_register(struct devlink *devlink, struct device *dev)
-{
- return 0;
-}
-
-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);
-}
-
-static inline int devlink_port_register(struct devlink *devlink,
- struct devlink_port *devlink_port,
- unsigned int port_index)
-{
- return 0;
-}
-
-static inline void devlink_port_unregister(struct devlink_port *devlink_port)
-{
-}
-
-static inline void devlink_port_type_eth_set(struct devlink_port *devlink_port,
- struct net_device *netdev)
-{
-}
-
-static inline void devlink_port_type_ib_set(struct devlink_port *devlink_port,
- struct ib_device *ibdev)
-{
-}
-
-static inline void devlink_port_type_clear(struct devlink_port *devlink_port)
-{
-}
-
-static inline void devlink_port_attrs_set(struct devlink_port *devlink_port,
- enum devlink_port_flavour flavour,
- u32 port_number, bool split,
- u32 split_subport_number)
-{
-}
-
-static inline int
-devlink_port_get_phys_port_name(struct devlink_port *devlink_port,
- char *name, size_t len)
-{
- return -EOPNOTSUPP;
-}
-
-static inline int devlink_sb_register(struct devlink *devlink,
- unsigned int sb_index, u32 size,
- u16 ingress_pools_count,
- u16 egress_pools_count,
- u16 ingress_tc_count,
- u16 egress_tc_count)
-{
- return 0;
-}
-
-static inline void devlink_sb_unregister(struct devlink *devlink,
- unsigned int sb_index)
-{
-}
-
-static inline int
-devlink_dpipe_table_register(struct devlink *devlink,
- const char *table_name,
- struct devlink_dpipe_table_ops *table_ops,
- void *priv, bool counter_control_extern)
-{
- return 0;
-}
-
-static inline void devlink_dpipe_table_unregister(struct devlink *devlink,
- const char *table_name)
-{
-}
-
-static inline int devlink_dpipe_headers_register(struct devlink *devlink,
- struct devlink_dpipe_headers *
- dpipe_headers)
-{
- return 0;
-}
-
-static inline void devlink_dpipe_headers_unregister(struct devlink *devlink)
-{
-}
-
-static inline bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
- const char *table_name)
-{
- return false;
-}
-
-static inline int
-devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx)
-{
- return 0;
-}
-
-static inline int
-devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
- struct devlink_dpipe_entry *entry)
-{
- return 0;
-}
-
-static inline int
-devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx)
-{
- return 0;
-}
-
-static inline void
-devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry)
-{
-}
-
-static inline int
-devlink_dpipe_action_put(struct sk_buff *skb,
- struct devlink_dpipe_action *action)
-{
- return 0;
-}
-
-static inline int
-devlink_dpipe_match_put(struct sk_buff *skb,
- struct devlink_dpipe_match *match)
-{
- return 0;
-}
-
-static inline int
-devlink_resource_register(struct devlink *devlink,
- const char *resource_name,
- u64 resource_size,
- u64 resource_id,
- u64 parent_resource_id,
- const struct devlink_resource_size_params *size_params)
-{
- 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;
-}
-
-static inline void
-devlink_resource_occ_get_register(struct devlink *devlink,
- u64 resource_id,
- devlink_resource_occ_get_t *occ_get,
- void *occ_get_priv)
-{
-}
-
-static inline void
-devlink_resource_occ_get_unregister(struct devlink *devlink,
- u64 resource_id)
-{
-}
-
-static inline int
-devlink_params_register(struct devlink *devlink,
- const struct devlink_param *params,
- size_t params_count)
-{
- return 0;
-}
-
-static inline void
-devlink_params_unregister(struct devlink *devlink,
- const struct devlink_param *params,
- size_t params_count)
-{
-
-}
-
-static inline int
-devlink_port_params_register(struct devlink_port *devlink_port,
- const struct devlink_param *params,
- size_t params_count)
-{
- return 0;
-}
-
-static inline void
-devlink_port_params_unregister(struct devlink_port *devlink_port,
- const struct devlink_param *params,
- size_t params_count)
-{
-}
-
-static inline int
-devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
- union devlink_param_value *init_val)
+devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
{
- return -EOPNOTSUPP;
}
static inline int
-devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
- union devlink_param_value init_val)
+devlink_compat_flash_update(struct net_device *dev, const char *file_name)
{
return -EOPNOTSUPP;
}
static inline int
-devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
- u32 param_id,
- union devlink_param_value *init_val)
+devlink_compat_phys_port_name_get(struct net_device *dev,
+ char *name, size_t len)
{
return -EOPNOTSUPP;
}
static inline int
-devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
- u32 param_id,
- union devlink_param_value init_val)
+devlink_compat_switch_id_get(struct net_device *dev,
+ struct netdev_phys_item_id *ppid)
{
return -EOPNOTSUPP;
}
-static inline void
-devlink_param_value_changed(struct devlink *devlink, u32 param_id)
-{
-}
-
-static inline void
-devlink_port_param_value_changed(struct devlink_port *devlink_port,
- u32 param_id)
-{
-}
-
-static inline void
-devlink_param_value_str_fill(union devlink_param_value *dst_val,
- const char *src)
-{
-}
-
-static inline struct devlink_region *
-devlink_region_create(struct devlink *devlink,
- const char *region_name,
- u32 region_max_snapshots,
- u64 region_size)
-{
- return NULL;
-}
-
-static inline void
-devlink_region_destroy(struct devlink_region *region)
-{
-}
-
-static inline u32
-devlink_region_shapshot_id_get(struct devlink *devlink)
-{
- return 0;
-}
-
-static inline int
-devlink_region_snapshot_create(struct devlink_region *region, u64 data_len,
- u8 *data, u32 snapshot_id,
- devlink_snapshot_data_dest_t *data_destructor)
-{
- return 0;
-}
-
-static inline int
-devlink_info_driver_name_put(struct devlink_info_req *req, const char *name)
-{
- return 0;
-}
-
-static inline int
-devlink_info_serial_number_put(struct devlink_info_req *req, const char *sn)
-{
- return 0;
-}
-
-static inline int
-devlink_info_version_fixed_put(struct devlink_info_req *req,
- const char *version_name,
- const char *version_value)
-{
- return 0;
-}
-
-static inline int
-devlink_info_version_stored_put(struct devlink_info_req *req,
- const char *version_name,
- const char *version_value)
-{
- return 0;
-}
-
-static inline int
-devlink_info_version_running_put(struct devlink_info_req *req,
- const char *version_name,
- const char *version_value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
- const char *name)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
- u16 value_len)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
- bool value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
- u8 value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
- u32 value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
- u64 value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
- const char *value)
-{
- return 0;
-}
-
-static inline int
-devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
- const void *value, u16 value_len)
-{
- return 0;
-}
-
-static inline struct devlink_health_reporter *
-devlink_health_reporter_create(struct devlink *devlink,
- const struct devlink_health_reporter_ops *ops,
- u64 graceful_period, bool auto_recover,
- void *priv)
-{
- return NULL;
-}
-
-static inline void
-devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
-{
-}
-
-static inline void *
-devlink_health_reporter_priv(struct devlink_health_reporter *reporter)
-{
- return NULL;
-}
-
-static inline int
-devlink_health_report(struct devlink_health_reporter *reporter,
- const char *msg, void *priv_ctx)
-{
- return 0;
-}
-
-static inline void
-devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
- enum devlink_health_reporter_state state)
-{
-}
-
-static inline void
-devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
-{
-}
-
-static inline int
-devlink_compat_flash_update(struct net_device *dev, const char *file_name)
-{
- return -EOPNOTSUPP;
-}
#endif
#endif /* _NET_DEVLINK_H_ */