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Diffstat (limited to 'include/net/devlink.h')
-rw-r--r--include/net/devlink.h224
1 files changed, 119 insertions, 105 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 7c984cadfec4..aab3d007c577 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -21,43 +21,7 @@
#include <linux/xarray.h>
#include <linux/firmware.h>
-#define DEVLINK_RELOAD_STATS_ARRAY_SIZE \
- (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX)
-
-struct devlink_dev_stats {
- u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
- u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
-};
-
-struct devlink_ops;
-
-struct devlink {
- struct list_head list;
- struct list_head port_list;
- struct list_head sb_list;
- struct list_head dpipe_table_list;
- struct list_head resource_list;
- struct list_head param_list;
- struct list_head region_list;
- struct list_head reporter_list;
- struct mutex reporters_lock; /* protects reporter_list */
- struct devlink_dpipe_headers *dpipe_headers;
- struct list_head trap_list;
- struct list_head trap_group_list;
- struct list_head trap_policer_list;
- const struct devlink_ops *ops;
- struct xarray snapshot_ids;
- struct devlink_dev_stats stats;
- struct device *dev;
- possible_net_t _net;
- struct mutex lock; /* Serializes access to devlink instance specific objects such as
- * port, sb, dpipe, resource, params, region, traps and more.
- */
- u8 reload_failed:1,
- reload_enabled:1,
- registered:1;
- char priv[0] __aligned(NETDEV_ALIGN);
-};
+struct devlink;
struct devlink_port_phys_attrs {
u32 port_number; /* Same value as "split group".
@@ -133,13 +97,30 @@ struct devlink_port_attrs {
};
};
+struct devlink_rate {
+ struct list_head list;
+ enum devlink_rate_type type;
+ struct devlink *devlink;
+ void *priv;
+ u64 tx_share;
+ u64 tx_max;
+
+ struct devlink_rate *parent;
+ union {
+ struct devlink_port *devlink_port;
+ struct {
+ char *name;
+ refcount_t refcnt;
+ };
+ };
+};
+
struct devlink_port {
struct list_head list;
struct list_head param_list;
struct list_head region_list;
struct devlink *devlink;
unsigned int index;
- bool registered;
spinlock_t type_lock; /* Protects type and type_dev
* pointer consistency.
*/
@@ -152,6 +133,8 @@ struct devlink_port {
struct delayed_work type_warn_dw;
struct list_head reporter_list;
struct mutex reporters_lock; /* Protects reporter_list */
+
+ struct devlink_rate *devlink_rate;
};
struct devlink_port_new_attrs {
@@ -485,7 +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 {
@@ -500,6 +482,9 @@ enum devlink_param_generic_id {
DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
+ DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
+ DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
+ DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
/* add new param generic ids above here*/
__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -540,6 +525,15 @@ enum devlink_param_generic_id {
#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
+#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
+#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
+#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
+#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
+
#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
{ \
.id = DEVLINK_PARAM_GENERIC_ID_##_id, \
@@ -1191,6 +1185,11 @@ enum devlink_trap_group_generic_id {
.min_burst = _min_burst, \
}
+enum {
+ /* device supports reload operations */
+ DEVLINK_F_RELOAD = 1UL << 0,
+};
+
struct devlink_ops {
/**
* @supported_flash_update_params:
@@ -1327,6 +1326,16 @@ struct devlink_ops {
enum devlink_trap_action action,
struct netlink_ext_ack *extack);
/**
+ * @trap_drop_counter_get: Trap drop counter get function.
+ *
+ * Should be used by device drivers to report number of packets
+ * that have been dropped, and cannot be passed to the devlink
+ * subsystem by the underlying device.
+ */
+ int (*trap_drop_counter_get)(struct devlink *devlink,
+ const struct devlink_trap *trap,
+ u64 *p_drops);
+ /**
* @trap_policer_init: Trap policer initialization function.
*
* Should be used by device drivers to initialize the trap policer in
@@ -1367,8 +1376,8 @@ struct devlink_ops {
*
* Note: @extack can be NULL when port notifier queries the port function.
*/
- int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
- u8 *hw_addr, int *hw_addr_len,
+ int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
+ int *hw_addr_len,
struct netlink_ext_ack *extack);
/**
* @port_function_hw_addr_set: Port function's hardware address set function.
@@ -1377,7 +1386,7 @@ struct devlink_ops {
* by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
* function handling for a particular port.
*/
- int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
+ int (*port_function_hw_addr_set)(struct devlink_port *port,
const u8 *hw_addr, int hw_addr_len,
struct netlink_ext_ack *extack);
/**
@@ -1433,8 +1442,7 @@ struct devlink_ops {
*
* Return: 0 on success, negative value otherwise.
*/
- int (*port_fn_state_get)(struct devlink *devlink,
- struct devlink_port *port,
+ int (*port_fn_state_get)(struct devlink_port *port,
enum devlink_port_fn_state *state,
enum devlink_port_fn_opstate *opstate,
struct netlink_ext_ack *extack);
@@ -1449,50 +1457,59 @@ struct devlink_ops {
*
* Return: 0 on success, negative value otherwise.
*/
- int (*port_fn_state_set)(struct devlink *devlink,
- struct devlink_port *port,
+ int (*port_fn_state_set)(struct devlink_port *port,
enum devlink_port_fn_state state,
struct netlink_ext_ack *extack);
-};
-static inline void *devlink_priv(struct devlink *devlink)
-{
- BUG_ON(!devlink);
- return &devlink->priv;
-}
-
-static inline struct devlink *priv_to_devlink(void *priv)
-{
- BUG_ON(!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)
-{
- struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
+ /**
+ * Rate control callbacks.
+ */
+ int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
+ u64 tx_share, struct netlink_ext_ack *extack);
+ int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
+ u64 tx_max, struct netlink_ext_ack *extack);
+ int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
+ u64 tx_share, struct netlink_ext_ack *extack);
+ int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
+ u64 tx_max, struct netlink_ext_ack *extack);
+ int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
+ struct netlink_ext_ack *extack);
+ int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
+ struct netlink_ext_ack *extack);
+ int (*rate_leaf_parent_set)(struct devlink_rate *child,
+ struct devlink_rate *parent,
+ void *priv_child, void *priv_parent,
+ struct netlink_ext_ack *extack);
+ int (*rate_node_parent_set)(struct devlink_rate *child,
+ struct devlink_rate *parent,
+ void *priv_child, void *priv_parent,
+ struct netlink_ext_ack *extack);
+};
- if (devlink_port)
- return devlink_port->devlink;
- return NULL;
-}
+void *devlink_priv(struct devlink *devlink);
+struct devlink *priv_to_devlink(void *priv);
+struct device *devlink_to_dev(const struct devlink *devlink);
struct ib_device;
struct net *devlink_net(const struct devlink *devlink);
-void devlink_net_set(struct devlink *devlink, struct net *net);
-struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
-int devlink_register(struct devlink *devlink, struct device *dev);
+/* This call is intended for software devices that can create
+ * devlink instances in other namespaces than init_net.
+ *
+ * Drivers that operate on real HW must use devlink_alloc() instead.
+ */
+struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
+ size_t priv_size, struct net *net,
+ struct device *dev);
+static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
+ size_t priv_size,
+ struct device *dev)
+{
+ return devlink_alloc_ns(ops, priv_size, &init_net, dev);
+}
+void devlink_set_features(struct devlink *devlink, u64 features);
+void devlink_register(struct devlink *devlink);
void devlink_unregister(struct devlink *devlink);
-void devlink_reload_enable(struct devlink *devlink);
-void devlink_reload_disable(struct devlink *devlink);
void devlink_free(struct devlink *devlink);
int devlink_port_register(struct devlink *devlink,
struct devlink_port *devlink_port,
@@ -1512,6 +1529,9 @@ void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 contro
void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
u32 controller, u16 pf, u32 sf,
bool external);
+int devlink_rate_leaf_create(struct devlink_port *port, void *priv);
+void devlink_rate_leaf_destroy(struct devlink_port *devlink_port);
+void devlink_rate_nodes_destroy(struct devlink *devlink);
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,
@@ -1567,30 +1587,15 @@ 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);
-void devlink_port_params_unregister(struct devlink_port *devlink_port,
- const struct devlink_param *params,
- size_t params_count);
+int devlink_param_register(struct devlink *devlink,
+ const struct devlink_param *param);
+void devlink_param_unregister(struct devlink *devlink,
+ const struct devlink_param *param);
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,
union devlink_param_value init_val);
-int
-devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
- u32 param_id,
- union devlink_param_value *init_val);
-int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
- u32 param_id,
- union devlink_param_value init_val);
void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
-void devlink_port_param_value_changed(struct devlink_port *devlink_port,
- u32 param_id);
-void devlink_param_value_str_fill(union devlink_param_value *dst_val,
- const char *src);
struct devlink_region *
devlink_region_create(struct devlink *devlink,
const struct devlink_region_ops *ops,
@@ -1635,10 +1640,7 @@ int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
const char *name);
int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
-int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
-int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
-int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
u16 value_len);
@@ -1724,9 +1726,12 @@ devlink_trap_policers_unregister(struct devlink *devlink,
#if IS_ENABLED(CONFIG_NET_DEVLINK)
-void devlink_compat_running_version(struct net_device *dev,
+struct devlink *__must_check devlink_try_get(struct devlink *devlink);
+void devlink_put(struct devlink *devlink);
+
+void devlink_compat_running_version(struct devlink *devlink,
char *buf, size_t len);
-int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
+int devlink_compat_flash_update(struct devlink *devlink, 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,
@@ -1734,13 +1739,22 @@ int devlink_compat_switch_id_get(struct net_device *dev,
#else
+static inline struct devlink *devlink_try_get(struct devlink *devlink)
+{
+ return NULL;
+}
+
+static inline void devlink_put(struct devlink *devlink)
+{
+}
+
static inline void
-devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
+devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
{
}
static inline int
-devlink_compat_flash_update(struct net_device *dev, const char *file_name)
+devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
{
return -EOPNOTSUPP;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-31 20:58:53 +0300