summaryrefslogtreecommitdiffstats
path: root/include/net/devlink.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--include/net/devlink.h1906
1 files changed, 1906 insertions, 0 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h
new file mode 100644
index 000000000..ba6b8b094
--- /dev/null
+++ b/include/net/devlink.h
@@ -0,0 +1,1906 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * include/net/devlink.h - Network physical device Netlink interface
+ * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
+ */
+#ifndef _NET_DEVLINK_H_
+#define _NET_DEVLINK_H_
+
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/gfp.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/refcount.h>
+#include <net/net_namespace.h>
+#include <net/flow_offload.h>
+#include <uapi/linux/devlink.h>
+#include <linux/xarray.h>
+#include <linux/firmware.h>
+
+struct devlink;
+struct devlink_linecard;
+
+struct devlink_port_phys_attrs {
+ u32 port_number; /* Same value as "split group".
+ * A physical port which is visible to the user
+ * for a given port flavour.
+ */
+ u32 split_subport_number; /* If the port is split, this is the number of subport. */
+};
+
+/**
+ * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
+ * @controller: Associated controller number
+ * @pf: Associated PCI PF number for this port.
+ * @external: when set, indicates if a port is for an external controller
+ */
+struct devlink_port_pci_pf_attrs {
+ u32 controller;
+ u16 pf;
+ u8 external:1;
+};
+
+/**
+ * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
+ * @controller: Associated controller number
+ * @pf: Associated PCI PF number for this port.
+ * @vf: Associated PCI VF for of the PCI PF for this port.
+ * @external: when set, indicates if a port is for an external controller
+ */
+struct devlink_port_pci_vf_attrs {
+ u32 controller;
+ u16 pf;
+ u16 vf;
+ u8 external:1;
+};
+
+/**
+ * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
+ * @controller: Associated controller number
+ * @sf: Associated PCI SF for of the PCI PF for this port.
+ * @pf: Associated PCI PF number for this port.
+ * @external: when set, indicates if a port is for an external controller
+ */
+struct devlink_port_pci_sf_attrs {
+ u32 controller;
+ u32 sf;
+ u16 pf;
+ u8 external:1;
+};
+
+/**
+ * struct devlink_port_attrs - devlink port object
+ * @flavour: flavour of the port
+ * @split: indicates if this is split port
+ * @splittable: indicates if the port can be split.
+ * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
+ * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
+ * @phys: physical port attributes
+ * @pci_pf: PCI PF port attributes
+ * @pci_vf: PCI VF port attributes
+ * @pci_sf: PCI SF port attributes
+ */
+struct devlink_port_attrs {
+ u8 split:1,
+ splittable:1;
+ u32 lanes;
+ enum devlink_port_flavour flavour;
+ struct netdev_phys_item_id switch_id;
+ union {
+ struct devlink_port_phys_attrs phys;
+ struct devlink_port_pci_pf_attrs pci_pf;
+ struct devlink_port_pci_vf_attrs pci_vf;
+ struct devlink_port_pci_sf_attrs pci_sf;
+ };
+};
+
+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 region_list;
+ struct devlink *devlink;
+ unsigned int index;
+ 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;
+ struct devlink_port_attrs attrs;
+ u8 attrs_set:1,
+ switch_port:1,
+ registered:1,
+ initialized:1;
+ 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_linecard *linecard;
+};
+
+struct devlink_port_new_attrs {
+ enum devlink_port_flavour flavour;
+ unsigned int port_index;
+ u32 controller;
+ u32 sfnum;
+ u16 pfnum;
+ u8 port_index_valid:1,
+ controller_valid:1,
+ sfnum_valid:1;
+};
+
+/**
+ * struct devlink_linecard_ops - Linecard operations
+ * @provision: callback to provision the linecard slot with certain
+ * type of linecard. As a result of this operation,
+ * driver is expected to eventually (could be after
+ * the function call returns) call one of:
+ * devlink_linecard_provision_set()
+ * devlink_linecard_provision_fail()
+ * @unprovision: callback to unprovision the linecard slot. As a result
+ * of this operation, driver is expected to eventually
+ * (could be after the function call returns) call
+ * devlink_linecard_provision_clear()
+ * devlink_linecard_provision_fail()
+ * @same_provision: callback to ask the driver if linecard is already
+ * provisioned in the same way user asks this linecard to be
+ * provisioned.
+ * @types_count: callback to get number of supported types
+ * @types_get: callback to get next type in list
+ */
+struct devlink_linecard_ops {
+ int (*provision)(struct devlink_linecard *linecard, void *priv,
+ const char *type, const void *type_priv,
+ struct netlink_ext_ack *extack);
+ int (*unprovision)(struct devlink_linecard *linecard, void *priv,
+ struct netlink_ext_ack *extack);
+ bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
+ const char *type, const void *type_priv);
+ unsigned int (*types_count)(struct devlink_linecard *linecard,
+ void *priv);
+ void (*types_get)(struct devlink_linecard *linecard,
+ void *priv, unsigned int index, const char **type,
+ const void **type_priv);
+};
+
+struct devlink_sb_pool_info {
+ enum devlink_sb_pool_type pool_type;
+ u32 size;
+ enum devlink_sb_threshold_type threshold_type;
+ u32 cell_size;
+};
+
+/**
+ * struct devlink_dpipe_field - dpipe field object
+ * @name: field name
+ * @id: index inside the headers field array
+ * @bitwidth: bitwidth
+ * @mapping_type: mapping type
+ */
+struct devlink_dpipe_field {
+ const char *name;
+ unsigned int id;
+ unsigned int bitwidth;
+ enum devlink_dpipe_field_mapping_type mapping_type;
+};
+
+/**
+ * struct devlink_dpipe_header - dpipe header object
+ * @name: header name
+ * @id: index, global/local detrmined by global bit
+ * @fields: fields
+ * @fields_count: number of fields
+ * @global: indicates if header is shared like most protocol header
+ * or driver specific
+ */
+struct devlink_dpipe_header {
+ const char *name;
+ unsigned int id;
+ struct devlink_dpipe_field *fields;
+ unsigned int fields_count;
+ bool global;
+};
+
+/**
+ * struct devlink_dpipe_match - represents match operation
+ * @type: type of match
+ * @header_index: header index (packets can have several headers of same
+ * type like in case of tunnels)
+ * @header: header
+ * @fieled_id: field index
+ */
+struct devlink_dpipe_match {
+ enum devlink_dpipe_match_type type;
+ unsigned int header_index;
+ struct devlink_dpipe_header *header;
+ unsigned int field_id;
+};
+
+/**
+ * struct devlink_dpipe_action - represents action operation
+ * @type: type of action
+ * @header_index: header index (packets can have several headers of same
+ * type like in case of tunnels)
+ * @header: header
+ * @fieled_id: field index
+ */
+struct devlink_dpipe_action {
+ enum devlink_dpipe_action_type type;
+ unsigned int header_index;
+ struct devlink_dpipe_header *header;
+ unsigned int field_id;
+};
+
+/**
+ * struct devlink_dpipe_value - represents value of match/action
+ * @action: action
+ * @match: match
+ * @mapping_value: in case the field has some mapping this value
+ * specified the mapping value
+ * @mapping_valid: specify if mapping value is valid
+ * @value_size: value size
+ * @value: value
+ * @mask: bit mask
+ */
+struct devlink_dpipe_value {
+ union {
+ struct devlink_dpipe_action *action;
+ struct devlink_dpipe_match *match;
+ };
+ unsigned int mapping_value;
+ bool mapping_valid;
+ unsigned int value_size;
+ void *value;
+ void *mask;
+};
+
+/**
+ * struct devlink_dpipe_entry - table entry object
+ * @index: index of the entry in the table
+ * @match_values: match values
+ * @matche_values_count: count of matches tuples
+ * @action_values: actions values
+ * @action_values_count: count of actions values
+ * @counter: value of counter
+ * @counter_valid: Specify if value is valid from hardware
+ */
+struct devlink_dpipe_entry {
+ u64 index;
+ struct devlink_dpipe_value *match_values;
+ unsigned int match_values_count;
+ struct devlink_dpipe_value *action_values;
+ unsigned int action_values_count;
+ u64 counter;
+ bool counter_valid;
+};
+
+/**
+ * struct devlink_dpipe_dump_ctx - context provided to driver in order
+ * to dump
+ * @info: info
+ * @cmd: devlink command
+ * @skb: skb
+ * @nest: top attribute
+ * @hdr: hdr
+ */
+struct devlink_dpipe_dump_ctx {
+ struct genl_info *info;
+ enum devlink_command cmd;
+ struct sk_buff *skb;
+ struct nlattr *nest;
+ void *hdr;
+};
+
+struct devlink_dpipe_table_ops;
+
+/**
+ * struct devlink_dpipe_table - table object
+ * @priv: private
+ * @name: table name
+ * @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
+ */
+struct devlink_dpipe_table {
+ void *priv;
+ struct list_head list;
+ 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;
+};
+
+/**
+ * struct devlink_dpipe_table_ops - dpipe_table ops
+ * @actions_dump - dumps all tables actions
+ * @matches_dump - dumps all tables matches
+ * @entries_dump - dumps all active entries in the table
+ * @counters_set_update - when changing the counter status hardware sync
+ * maybe needed to allocate/free counter related
+ * resources
+ * @size_get - get size
+ */
+struct devlink_dpipe_table_ops {
+ int (*actions_dump)(void *priv, struct sk_buff *skb);
+ int (*matches_dump)(void *priv, struct sk_buff *skb);
+ int (*entries_dump)(void *priv, bool counters_enabled,
+ struct devlink_dpipe_dump_ctx *dump_ctx);
+ int (*counters_set_update)(void *priv, bool enable);
+ u64 (*size_get)(void *priv);
+};
+
+/**
+ * struct devlink_dpipe_headers - dpipe headers
+ * @headers - header array can be shared (global bit) or driver specific
+ * @headers_count - count of headers
+ */
+struct devlink_dpipe_headers {
+ struct devlink_dpipe_header **headers;
+ unsigned int headers_count;
+};
+
+/**
+ * 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;
+};
+
+static inline void
+devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
+ u64 size_min, u64 size_max,
+ u64 size_granularity,
+ enum devlink_resource_unit unit)
+{
+ size_params->size_min = size_min;
+ size_params->size_max = size_max;
+ size_params->size_granularity = size_granularity;
+ size_params->unit = unit;
+}
+
+typedef u64 devlink_resource_occ_get_t(void *priv);
+
+#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
+
+#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
+
+#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
+enum devlink_param_type {
+ DEVLINK_PARAM_TYPE_U8,
+ DEVLINK_PARAM_TYPE_U16,
+ DEVLINK_PARAM_TYPE_U32,
+ DEVLINK_PARAM_TYPE_STRING,
+ DEVLINK_PARAM_TYPE_BOOL,
+};
+
+union devlink_param_value {
+ u8 vu8;
+ u16 vu16;
+ u32 vu32;
+ char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
+ bool vbool;
+};
+
+struct devlink_param_gset_ctx {
+ union devlink_param_value val;
+ enum devlink_param_cmode cmode;
+};
+
+/**
+ * struct devlink_flash_notify - devlink dev flash notify data
+ * @status_msg: current status string
+ * @component: firmware component being updated
+ * @done: amount of work completed of total amount
+ * @total: amount of work expected to be done
+ * @timeout: expected max timeout in seconds
+ *
+ * These are values to be given to userland to be displayed in order
+ * to show current activity in a firmware update process.
+ */
+struct devlink_flash_notify {
+ const char *status_msg;
+ const char *component;
+ unsigned long done;
+ unsigned long total;
+ unsigned long timeout;
+};
+
+/**
+ * struct devlink_param - devlink configuration parameter data
+ * @name: name of the parameter
+ * @generic: indicates if the parameter is generic or driver specific
+ * @type: parameter type
+ * @supported_cmodes: bitmap of supported configuration modes
+ * @get: get parameter value, used for runtime and permanent
+ * configuration modes
+ * @set: set parameter value, used for runtime and permanent
+ * configuration modes
+ * @validate: validate input value is applicable (within value range, etc.)
+ *
+ * This struct should be used by the driver to fill the data for
+ * a parameter it registers.
+ */
+struct devlink_param {
+ u32 id;
+ const char *name;
+ bool generic;
+ enum devlink_param_type type;
+ unsigned long supported_cmodes;
+ int (*get)(struct devlink *devlink, u32 id,
+ struct devlink_param_gset_ctx *ctx);
+ int (*set)(struct devlink *devlink, u32 id,
+ struct devlink_param_gset_ctx *ctx);
+ int (*validate)(struct devlink *devlink, u32 id,
+ union devlink_param_value val,
+ struct netlink_ext_ack *extack);
+};
+
+struct devlink_param_item {
+ struct list_head list;
+ const struct devlink_param *param;
+ union devlink_param_value driverinit_value;
+ bool driverinit_value_valid;
+};
+
+enum devlink_param_generic_id {
+ DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
+ DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
+ DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
+ DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
+ DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
+ DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
+ DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
+ DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
+ 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,
+ DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
+ DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
+ DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
+
+ /* add new param generic ids above here*/
+ __DEVLINK_PARAM_GENERIC_ID_MAX,
+ DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
+};
+
+#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
+#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
+#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
+
+#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
+#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
+#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
+#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
+
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
+
+#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
+#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
+
+#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
+ "reset_dev_on_drv_probe"
+#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
+
+#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
+#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#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_ENABLE_IWARP_NAME "enable_iwarp"
+#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
+#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
+
+#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
+#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
+
+#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
+{ \
+ .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
+ .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
+ .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
+ .generic = true, \
+ .supported_cmodes = _cmodes, \
+ .get = _get, \
+ .set = _set, \
+ .validate = _validate, \
+}
+
+#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
+{ \
+ .id = _id, \
+ .name = _name, \
+ .type = _type, \
+ .supported_cmodes = _cmodes, \
+ .get = _get, \
+ .set = _set, \
+ .validate = _validate, \
+}
+
+/* Part number, identifier of board design */
+#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
+/* Revision of board design */
+#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
+/* Maker of the board */
+#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
+
+/* Part number, identifier of asic design */
+#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
+/* Revision of asic design */
+#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
+
+/* Overall FW version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
+/* Control processor FW version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
+/* FW interface specification version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
+/* Data path microcode controlling high-speed packet processing */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
+/* UNDI software version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
+/* NCSI support/handler version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
+/* FW parameter set id */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
+/* RoCE FW version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
+/* Firmware bundle identifier */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
+
+/**
+ * struct devlink_flash_update_params - Flash Update parameters
+ * @fw: pointer to the firmware data to update from
+ * @component: the flash component to update
+ *
+ * With the exception of fw, drivers must opt-in to parameters by
+ * setting the appropriate bit in the supported_flash_update_params field in
+ * their devlink_ops structure.
+ */
+struct devlink_flash_update_params {
+ const struct firmware *fw;
+ const char *component;
+ u32 overwrite_mask;
+};
+
+#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
+
+struct devlink_region;
+struct devlink_info_req;
+
+/**
+ * struct devlink_region_ops - Region operations
+ * @name: region name
+ * @destructor: callback used to free snapshot memory when deleting
+ * @snapshot: callback to request an immediate snapshot. On success,
+ * the data variable must be updated to point to the snapshot data.
+ * The function will be called while the devlink instance lock is
+ * held.
+ * @priv: Pointer to driver private data for the region operation
+ */
+struct devlink_region_ops {
+ const char *name;
+ void (*destructor)(const void *data);
+ int (*snapshot)(struct devlink *devlink,
+ const struct devlink_region_ops *ops,
+ struct netlink_ext_ack *extack,
+ u8 **data);
+ void *priv;
+};
+
+/**
+ * struct devlink_port_region_ops - Region operations for a port
+ * @name: region name
+ * @destructor: callback used to free snapshot memory when deleting
+ * @snapshot: callback to request an immediate snapshot. On success,
+ * the data variable must be updated to point to the snapshot data.
+ * The function will be called while the devlink instance lock is
+ * held.
+ * @priv: Pointer to driver private data for the region operation
+ */
+struct devlink_port_region_ops {
+ const char *name;
+ void (*destructor)(const void *data);
+ int (*snapshot)(struct devlink_port *port,
+ const struct devlink_port_region_ops *ops,
+ struct netlink_ext_ack *extack,
+ u8 **data);
+ void *priv;
+};
+
+struct devlink_fmsg;
+struct devlink_health_reporter;
+
+enum devlink_health_reporter_state {
+ DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
+ DEVLINK_HEALTH_REPORTER_STATE_ERROR,
+};
+
+/**
+ * struct devlink_health_reporter_ops - Reporter operations
+ * @name: reporter name
+ * @recover: callback to recover from reported error
+ * if priv_ctx is NULL, run a full recover
+ * @dump: callback to dump an object
+ * if priv_ctx is NULL, run a full dump
+ * @diagnose: callback to diagnose the current status
+ * @test: callback to trigger a test event
+ */
+
+struct devlink_health_reporter_ops {
+ char *name;
+ int (*recover)(struct devlink_health_reporter *reporter,
+ void *priv_ctx, struct netlink_ext_ack *extack);
+ int (*dump)(struct devlink_health_reporter *reporter,
+ struct devlink_fmsg *fmsg, void *priv_ctx,
+ struct netlink_ext_ack *extack);
+ int (*diagnose)(struct devlink_health_reporter *reporter,
+ struct devlink_fmsg *fmsg,
+ struct netlink_ext_ack *extack);
+ int (*test)(struct devlink_health_reporter *reporter,
+ struct netlink_ext_ack *extack);
+};
+
+/**
+ * struct devlink_trap_metadata - Packet trap metadata.
+ * @trap_name: Trap name.
+ * @trap_group_name: Trap group name.
+ * @input_dev: Input netdevice.
+ * @dev_tracker: refcount tracker for @input_dev.
+ * @fa_cookie: Flow action user cookie.
+ * @trap_type: Trap type.
+ */
+struct devlink_trap_metadata {
+ const char *trap_name;
+ const char *trap_group_name;
+
+ struct net_device *input_dev;
+ netdevice_tracker dev_tracker;
+
+ const struct flow_action_cookie *fa_cookie;
+ enum devlink_trap_type trap_type;
+};
+
+/**
+ * struct devlink_trap_policer - Immutable packet trap policer attributes.
+ * @id: Policer identifier.
+ * @init_rate: Initial rate in packets / sec.
+ * @init_burst: Initial burst size in packets.
+ * @max_rate: Maximum rate.
+ * @min_rate: Minimum rate.
+ * @max_burst: Maximum burst size.
+ * @min_burst: Minimum burst size.
+ *
+ * Describes immutable attributes of packet trap policers that drivers register
+ * with devlink.
+ */
+struct devlink_trap_policer {
+ u32 id;
+ u64 init_rate;
+ u64 init_burst;
+ u64 max_rate;
+ u64 min_rate;
+ u64 max_burst;
+ u64 min_burst;
+};
+
+/**
+ * struct devlink_trap_group - Immutable packet trap group attributes.
+ * @name: Trap group name.
+ * @id: Trap group identifier.
+ * @generic: Whether the trap group is generic or not.
+ * @init_policer_id: Initial policer identifier.
+ *
+ * Describes immutable attributes of packet trap groups that drivers register
+ * with devlink.
+ */
+struct devlink_trap_group {
+ const char *name;
+ u16 id;
+ bool generic;
+ u32 init_policer_id;
+};
+
+#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
+#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
+
+/**
+ * struct devlink_trap - Immutable packet trap attributes.
+ * @type: Trap type.
+ * @init_action: Initial trap action.
+ * @generic: Whether the trap is generic or not.
+ * @id: Trap identifier.
+ * @name: Trap name.
+ * @init_group_id: Initial group identifier.
+ * @metadata_cap: Metadata types that can be provided by the trap.
+ *
+ * Describes immutable attributes of packet traps that drivers register with
+ * devlink.
+ */
+struct devlink_trap {
+ enum devlink_trap_type type;
+ enum devlink_trap_action init_action;
+ bool generic;
+ u16 id;
+ const char *name;
+ u16 init_group_id;
+ u32 metadata_cap;
+};
+
+/* All traps must be documented in
+ * Documentation/networking/devlink/devlink-trap.rst
+ */
+enum devlink_trap_generic_id {
+ DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
+ DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
+ DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
+ DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
+ DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
+ DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
+ DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
+ DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
+ DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
+ DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
+ DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
+ DEVLINK_TRAP_GENERIC_ID_DIP_LB,
+ DEVLINK_TRAP_GENERIC_ID_SIP_MC,
+ DEVLINK_TRAP_GENERIC_ID_SIP_LB,
+ DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
+ DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
+ DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
+ DEVLINK_TRAP_GENERIC_ID_RPF,
+ DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
+ DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
+ DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
+ DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
+ DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
+ DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
+ DEVLINK_TRAP_GENERIC_ID_STP,
+ DEVLINK_TRAP_GENERIC_ID_LACP,
+ DEVLINK_TRAP_GENERIC_ID_LLDP,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
+ DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
+ DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
+ DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
+ DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
+ DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
+ DEVLINK_TRAP_GENERIC_ID_UC_LB,
+ DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
+ DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
+ DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
+ DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
+ DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
+ DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
+ DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
+ DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
+ DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
+ DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
+
+ /* Add new generic trap IDs above */
+ __DEVLINK_TRAP_GENERIC_ID_MAX,
+ DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
+};
+
+/* All trap groups must be documented in
+ * Documentation/networking/devlink/devlink-trap.rst
+ */
+enum devlink_trap_group_generic_id {
+ DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
+
+ /* Add new generic trap group IDs above */
+ __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
+ __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
+};
+
+#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
+ "source_mac_is_multicast"
+#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
+ "vlan_tag_mismatch"
+#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
+ "ingress_vlan_filter"
+#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
+ "ingress_spanning_tree_filter"
+#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
+ "port_list_is_empty"
+#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
+ "port_loopback_filter"
+#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
+ "blackhole_route"
+#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
+ "ttl_value_is_too_small"
+#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
+ "tail_drop"
+#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
+ "non_ip"
+#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
+ "uc_dip_over_mc_dmac"
+#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
+ "dip_is_loopback_address"
+#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
+ "sip_is_mc"
+#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
+ "sip_is_loopback_address"
+#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
+ "ip_header_corrupted"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
+ "ipv4_sip_is_limited_bc"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
+ "ipv6_mc_dip_reserved_scope"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
+ "ipv6_mc_dip_interface_local_scope"
+#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
+ "mtu_value_is_too_small"
+#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
+ "unresolved_neigh"
+#define DEVLINK_TRAP_GENERIC_NAME_RPF \
+ "mc_reverse_path_forwarding"
+#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
+ "reject_route"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
+ "ipv4_lpm_miss"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
+ "ipv6_lpm_miss"
+#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
+ "non_routable_packet"
+#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
+ "decap_error"
+#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
+ "overlay_smac_is_mc"
+#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
+ "ingress_flow_action_drop"
+#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
+ "egress_flow_action_drop"
+#define DEVLINK_TRAP_GENERIC_NAME_STP \
+ "stp"
+#define DEVLINK_TRAP_GENERIC_NAME_LACP \
+ "lacp"
+#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
+ "lldp"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
+ "igmp_query"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
+ "igmp_v1_report"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
+ "igmp_v2_report"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
+ "igmp_v3_report"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
+ "igmp_v2_leave"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
+ "mld_query"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
+ "mld_v1_report"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
+ "mld_v2_report"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
+ "mld_v1_done"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
+ "ipv4_dhcp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
+ "ipv6_dhcp"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
+ "arp_request"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
+ "arp_response"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
+ "arp_overlay"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
+ "ipv6_neigh_solicit"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
+ "ipv6_neigh_advert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
+ "ipv4_bfd"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
+ "ipv6_bfd"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
+ "ipv4_ospf"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
+ "ipv6_ospf"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
+ "ipv4_bgp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
+ "ipv6_bgp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
+ "ipv4_vrrp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
+ "ipv6_vrrp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
+ "ipv4_pim"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
+ "ipv6_pim"
+#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
+ "uc_loopback"
+#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
+ "local_route"
+#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
+ "external_route"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
+ "ipv6_uc_dip_link_local_scope"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
+ "ipv6_dip_all_nodes"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
+ "ipv6_dip_all_routers"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
+ "ipv6_router_solicit"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
+ "ipv6_router_advert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
+ "ipv6_redirect"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
+ "ipv4_router_alert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
+ "ipv6_router_alert"
+#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
+ "ptp_event"
+#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
+ "ptp_general"
+#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
+ "flow_action_sample"
+#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
+ "flow_action_trap"
+#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
+ "early_drop"
+#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
+ "vxlan_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
+ "llc_snap_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
+ "vlan_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
+ "pppoe_ppp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
+ "mpls_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
+ "arp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
+ "ip_1_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
+ "ip_n_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
+ "gre_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
+ "udp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
+ "tcp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
+ "ipsec_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
+ "sctp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
+ "dccp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
+ "gtp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
+ "esp_parsing"
+#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
+ "blackhole_nexthop"
+#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
+ "dmac_filter"
+
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
+ "l2_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
+ "l3_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
+ "l3_exceptions"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
+ "buffer_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
+ "tunnel_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
+ "acl_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
+ "stp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
+ "lacp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
+ "lldp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
+ "mc_snooping"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
+ "dhcp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
+ "neigh_discovery"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
+ "bfd"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
+ "ospf"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
+ "bgp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
+ "vrrp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
+ "pim"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
+ "uc_loopback"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
+ "local_delivery"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
+ "external_delivery"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
+ "ipv6"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
+ "ptp_event"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
+ "ptp_general"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
+ "acl_sample"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
+ "acl_trap"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
+ "parser_error_drops"
+
+#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
+ _metadata_cap) \
+ { \
+ .type = DEVLINK_TRAP_TYPE_##_type, \
+ .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
+ .generic = true, \
+ .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
+ .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
+ .init_group_id = _group_id, \
+ .metadata_cap = _metadata_cap, \
+ }
+
+#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
+ _metadata_cap) \
+ { \
+ .type = DEVLINK_TRAP_TYPE_##_type, \
+ .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
+ .generic = false, \
+ .id = _id, \
+ .name = _name, \
+ .init_group_id = _group_id, \
+ .metadata_cap = _metadata_cap, \
+ }
+
+#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
+ { \
+ .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
+ .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
+ .generic = true, \
+ .init_policer_id = _policer_id, \
+ }
+
+#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
+ _max_burst, _min_burst) \
+ { \
+ .id = _id, \
+ .init_rate = _rate, \
+ .init_burst = _burst, \
+ .max_rate = _max_rate, \
+ .min_rate = _min_rate, \
+ .max_burst = _max_burst, \
+ .min_burst = _min_burst, \
+ }
+
+enum {
+ /* device supports reload operations */
+ DEVLINK_F_RELOAD = 1UL << 0,
+};
+
+struct devlink_ops {
+ /**
+ * @supported_flash_update_params:
+ * mask of parameters supported by the driver's .flash_update
+ * implemementation.
+ */
+ u32 supported_flash_update_params;
+ unsigned long reload_actions;
+ unsigned long reload_limits;
+ int (*reload_down)(struct devlink *devlink, bool netns_change,
+ enum devlink_reload_action action,
+ enum devlink_reload_limit limit,
+ struct netlink_ext_ack *extack);
+ int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
+ enum devlink_reload_limit limit, u32 *actions_performed,
+ struct netlink_ext_ack *extack);
+ int (*port_type_set)(struct devlink_port *devlink_port,
+ enum devlink_port_type port_type);
+ int (*port_split)(struct devlink *devlink, struct devlink_port *port,
+ unsigned int count, struct netlink_ext_ack *extack);
+ int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
+ struct netlink_ext_ack *extack);
+ int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
+ u16 pool_index,
+ 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,
+ 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, struct netlink_ext_ack *extack);
+ int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
+ unsigned int sb_index,
+ u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u16 *p_pool_index, u32 *p_threshold);
+ int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
+ unsigned int sb_index,
+ u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ 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,
+ unsigned int sb_index);
+ int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
+ unsigned int sb_index, u16 pool_index,
+ u32 *p_cur, u32 *p_max);
+ int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
+ unsigned int sb_index,
+ u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u32 *p_cur, u32 *p_max);
+
+ int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
+ int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
+ struct netlink_ext_ack *extack);
+ int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
+ int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
+ struct netlink_ext_ack *extack);
+ int (*eswitch_encap_mode_get)(struct devlink *devlink,
+ enum devlink_eswitch_encap_mode *p_encap_mode);
+ int (*eswitch_encap_mode_set)(struct devlink *devlink,
+ enum devlink_eswitch_encap_mode encap_mode,
+ struct netlink_ext_ack *extack);
+ int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
+ struct netlink_ext_ack *extack);
+ /**
+ * @flash_update: Device flash update function
+ *
+ * Used to perform a flash update for the device. The set of
+ * parameters supported by the driver should be set in
+ * supported_flash_update_params.
+ */
+ int (*flash_update)(struct devlink *devlink,
+ struct devlink_flash_update_params *params,
+ struct netlink_ext_ack *extack);
+ /**
+ * @trap_init: Trap initialization function.
+ *
+ * Should be used by device drivers to initialize the trap in the
+ * underlying device. Drivers should also store the provided trap
+ * context, so that they could efficiently pass it to
+ * devlink_trap_report() when the trap is triggered.
+ */
+ int (*trap_init)(struct devlink *devlink,
+ const struct devlink_trap *trap, void *trap_ctx);
+ /**
+ * @trap_fini: Trap de-initialization function.
+ *
+ * Should be used by device drivers to de-initialize the trap in the
+ * underlying device.
+ */
+ void (*trap_fini)(struct devlink *devlink,
+ const struct devlink_trap *trap, void *trap_ctx);
+ /**
+ * @trap_action_set: Trap action set function.
+ */
+ int (*trap_action_set)(struct devlink *devlink,
+ const struct devlink_trap *trap,
+ enum devlink_trap_action action,
+ struct netlink_ext_ack *extack);
+ /**
+ * @trap_group_init: Trap group initialization function.
+ *
+ * Should be used by device drivers to initialize the trap group in the
+ * underlying device.
+ */
+ int (*trap_group_init)(struct devlink *devlink,
+ const struct devlink_trap_group *group);
+ /**
+ * @trap_group_set: Trap group parameters set function.
+ *
+ * Note: @policer can be NULL when a policer is being unbound from
+ * @group.
+ */
+ int (*trap_group_set)(struct devlink *devlink,
+ const struct devlink_trap_group *group,
+ const struct devlink_trap_policer *policer,
+ struct netlink_ext_ack *extack);
+ /**
+ * @trap_group_action_set: Trap group action set function.
+ *
+ * If this callback is populated, it will take precedence over looping
+ * over all traps in a group and calling .trap_action_set().
+ */
+ int (*trap_group_action_set)(struct devlink *devlink,
+ const struct devlink_trap_group *group,
+ 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
+ * the underlying device.
+ */
+ int (*trap_policer_init)(struct devlink *devlink,
+ const struct devlink_trap_policer *policer);
+ /**
+ * @trap_policer_fini: Trap policer de-initialization function.
+ *
+ * Should be used by device drivers to de-initialize the trap policer
+ * in the underlying device.
+ */
+ void (*trap_policer_fini)(struct devlink *devlink,
+ const struct devlink_trap_policer *policer);
+ /**
+ * @trap_policer_set: Trap policer parameters set function.
+ */
+ int (*trap_policer_set)(struct devlink *devlink,
+ const struct devlink_trap_policer *policer,
+ u64 rate, u64 burst,
+ struct netlink_ext_ack *extack);
+ /**
+ * @trap_policer_counter_get: Trap policer counter get function.
+ *
+ * Should be used by device drivers to report number of packets dropped
+ * by the policer.
+ */
+ int (*trap_policer_counter_get)(struct devlink *devlink,
+ const struct devlink_trap_policer *policer,
+ u64 *p_drops);
+ /**
+ * @port_function_hw_addr_get: Port function's hardware address get function.
+ *
+ * Should be used by device drivers to report the hardware address of a function managed
+ * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
+ * function handling for a particular port.
+ *
+ * Note: @extack can be NULL when port notifier queries the port function.
+ */
+ 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.
+ *
+ * Should be used by device drivers to set the hardware address of a function managed
+ * 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_port *port,
+ const u8 *hw_addr, int hw_addr_len,
+ struct netlink_ext_ack *extack);
+ /**
+ * port_new() - Add a new port function of a specified flavor
+ * @devlink: Devlink instance
+ * @attrs: attributes of the new port
+ * @extack: extack for reporting error messages
+ * @new_port_index: index of the new port
+ *
+ * Devlink core will call this device driver function upon user request
+ * to create a new port function of a specified flavor and optional
+ * attributes
+ *
+ * Notes:
+ * - Called without devlink instance lock being held. Drivers must
+ * implement own means of synchronization
+ * - On success, drivers must register a port with devlink core
+ *
+ * Return: 0 on success, negative value otherwise.
+ */
+ int (*port_new)(struct devlink *devlink,
+ const struct devlink_port_new_attrs *attrs,
+ struct netlink_ext_ack *extack,
+ unsigned int *new_port_index);
+ /**
+ * port_del() - Delete a port function
+ * @devlink: Devlink instance
+ * @port_index: port function index to delete
+ * @extack: extack for reporting error messages
+ *
+ * Devlink core will call this device driver function upon user request
+ * to delete a previously created port function
+ *
+ * Notes:
+ * - Called without devlink instance lock being held. Drivers must
+ * implement own means of synchronization
+ * - On success, drivers must unregister the corresponding devlink
+ * port
+ *
+ * Return: 0 on success, negative value otherwise.
+ */
+ int (*port_del)(struct devlink *devlink, unsigned int port_index,
+ struct netlink_ext_ack *extack);
+ /**
+ * port_fn_state_get() - Get the state of a port function
+ * @devlink: Devlink instance
+ * @port: The devlink port
+ * @state: Admin configured state
+ * @opstate: Current operational state
+ * @extack: extack for reporting error messages
+ *
+ * Reports the admin and operational state of a devlink port function
+ *
+ * Return: 0 on success, negative value otherwise.
+ */
+ 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);
+ /**
+ * port_fn_state_set() - Set the admin state of a port function
+ * @devlink: Devlink instance
+ * @port: The devlink port
+ * @state: Admin state
+ * @extack: extack for reporting error messages
+ *
+ * Set the admin state of a devlink port function
+ *
+ * Return: 0 on success, negative value otherwise.
+ */
+ int (*port_fn_state_set)(struct devlink_port *port,
+ enum devlink_port_fn_state state,
+ struct netlink_ext_ack *extack);
+
+ /**
+ * 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);
+ /**
+ * selftests_check() - queries if selftest is supported
+ * @devlink: devlink instance
+ * @id: test index
+ * @extack: extack for reporting error messages
+ *
+ * Return: true if test is supported by the driver
+ */
+ bool (*selftest_check)(struct devlink *devlink, unsigned int id,
+ struct netlink_ext_ack *extack);
+ /**
+ * selftest_run() - Runs a selftest
+ * @devlink: devlink instance
+ * @id: test index
+ * @extack: extack for reporting error messages
+ *
+ * Return: status of the test
+ */
+ enum devlink_selftest_status
+ (*selftest_run)(struct devlink *devlink, unsigned int id,
+ struct netlink_ext_ack *extack);
+};
+
+void *devlink_priv(struct devlink *devlink);
+struct devlink *priv_to_devlink(void *priv);
+struct device *devlink_to_dev(const struct devlink *devlink);
+
+/* Devlink instance explicit locking */
+void devl_lock(struct devlink *devlink);
+int devl_trylock(struct devlink *devlink);
+void devl_unlock(struct devlink *devlink);
+void devl_assert_locked(struct devlink *devlink);
+bool devl_lock_is_held(struct devlink *devlink);
+
+struct ib_device;
+
+struct net *devlink_net(const struct devlink *devlink);
+/* 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_free(struct devlink *devlink);
+void devlink_port_init(struct devlink *devlink,
+ struct devlink_port *devlink_port);
+void devlink_port_fini(struct devlink_port *devlink_port);
+int devl_port_register(struct devlink *devlink,
+ struct devlink_port *devlink_port,
+ unsigned int port_index);
+int devlink_port_register(struct devlink *devlink,
+ struct devlink_port *devlink_port,
+ unsigned int port_index);
+void devl_port_unregister(struct devlink_port *devlink_port);
+void devlink_port_unregister(struct devlink_port *devlink_port);
+void devlink_port_type_eth_set(struct devlink_port *devlink_port,
+ struct net_device *netdev);
+void devlink_port_type_ib_set(struct devlink_port *devlink_port,
+ struct ib_device *ibdev);
+void devlink_port_type_clear(struct devlink_port *devlink_port);
+void devlink_port_attrs_set(struct devlink_port *devlink_port,
+ struct devlink_port_attrs *devlink_port_attrs);
+void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
+ u16 pf, bool external);
+void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
+ u16 pf, u16 vf, bool external);
+void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
+ u32 controller, u16 pf, u32 sf,
+ bool external);
+int devl_rate_leaf_create(struct devlink_port *port, void *priv);
+void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
+void devl_rate_nodes_destroy(struct devlink *devlink);
+void devlink_port_linecard_set(struct devlink_port *devlink_port,
+ struct devlink_linecard *linecard);
+struct devlink_linecard *
+devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index,
+ const struct devlink_linecard_ops *ops, void *priv);
+void devlink_linecard_destroy(struct devlink_linecard *linecard);
+void devlink_linecard_provision_set(struct devlink_linecard *linecard,
+ const char *type);
+void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
+void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
+void devlink_linecard_activate(struct devlink_linecard *linecard);
+void devlink_linecard_deactivate(struct devlink_linecard *linecard);
+void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
+ struct devlink *nested_devlink);
+int devl_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);
+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);
+void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
+void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
+int devl_dpipe_table_register(struct devlink *devlink,
+ const char *table_name,
+ struct devlink_dpipe_table_ops *table_ops,
+ void *priv, bool counter_control_extern);
+void devl_dpipe_table_unregister(struct devlink *devlink,
+ const char *table_name);
+void devl_dpipe_headers_register(struct devlink *devlink,
+ struct devlink_dpipe_headers *dpipe_headers);
+void devl_dpipe_headers_unregister(struct devlink *devlink);
+bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
+ const char *table_name);
+int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
+int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
+ struct devlink_dpipe_entry *entry);
+int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
+void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
+int devlink_dpipe_action_put(struct sk_buff *skb,
+ struct devlink_dpipe_action *action);
+int devlink_dpipe_match_put(struct sk_buff *skb,
+ struct devlink_dpipe_match *match);
+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 devl_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);
+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);
+void devl_resources_unregister(struct devlink *devlink);
+void devlink_resources_unregister(struct devlink *devlink);
+int devl_resource_size_get(struct devlink *devlink,
+ u64 resource_id,
+ u64 *p_resource_size);
+int devl_dpipe_table_resource_set(struct devlink *devlink,
+ const char *table_name, u64 resource_id,
+ u64 resource_units);
+int devlink_dpipe_table_resource_set(struct devlink *devlink,
+ const char *table_name, u64 resource_id,
+ u64 resource_units);
+void devl_resource_occ_get_register(struct devlink *devlink,
+ u64 resource_id,
+ devlink_resource_occ_get_t *occ_get,
+ void *occ_get_priv);
+void devlink_resource_occ_get_register(struct devlink *devlink,
+ u64 resource_id,
+ devlink_resource_occ_get_t *occ_get,
+ void *occ_get_priv);
+void devl_resource_occ_get_unregister(struct devlink *devlink,
+ u64 resource_id);
+
+void devlink_resource_occ_get_unregister(struct devlink *devlink,
+ u64 resource_id);
+int devlink_params_register(struct devlink *devlink,
+ const struct devlink_param *params,
+ size_t params_count);
+void devlink_params_unregister(struct devlink *devlink,
+ 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);
+void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
+struct devlink_region *devl_region_create(struct devlink *devlink,
+ const struct devlink_region_ops *ops,
+ u32 region_max_snapshots,
+ u64 region_size);
+struct devlink_region *
+devlink_region_create(struct devlink *devlink,
+ const struct devlink_region_ops *ops,
+ u32 region_max_snapshots, u64 region_size);
+struct devlink_region *
+devlink_port_region_create(struct devlink_port *port,
+ const struct devlink_port_region_ops *ops,
+ u32 region_max_snapshots, u64 region_size);
+void devl_region_destroy(struct devlink_region *region);
+void devlink_region_destroy(struct devlink_region *region);
+void devlink_port_region_destroy(struct devlink_region *region);
+
+int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
+void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
+int devlink_region_snapshot_create(struct devlink_region *region,
+ u8 *data, u32 snapshot_id);
+int devlink_info_serial_number_put(struct devlink_info_req *req,
+ const char *sn);
+int devlink_info_driver_name_put(struct devlink_info_req *req,
+ const char *name);
+int devlink_info_board_serial_number_put(struct devlink_info_req *req,
+ const char *bsn);
+
+enum devlink_info_version_type {
+ DEVLINK_INFO_VERSION_TYPE_NONE,
+ DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
+ * component by name.
+ */
+};
+
+int devlink_info_version_fixed_put(struct devlink_info_req *req,
+ const char *version_name,
+ const char *version_value);
+int devlink_info_version_stored_put(struct devlink_info_req *req,
+ const char *version_name,
+ const char *version_value);
+int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
+ const char *version_name,
+ const char *version_value,
+ enum devlink_info_version_type version_type);
+int devlink_info_version_running_put(struct devlink_info_req *req,
+ const char *version_name,
+ const char *version_value);
+int devlink_info_version_running_put_ext(struct devlink_info_req *req,
+ const char *version_name,
+ const char *version_value,
+ enum devlink_info_version_type version_type);
+
+int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
+int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
+
+int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
+int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
+
+int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
+ const char *name);
+int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
+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_u32_put(struct devlink_fmsg *fmsg, u32 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);
+
+int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ bool value);
+int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ u8 value);
+int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ u32 value);
+int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ u64 value);
+int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ const char *value);
+int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ const void *value, u32 value_len);
+
+struct devlink_health_reporter *
+devlink_health_reporter_create(struct devlink *devlink,
+ const struct devlink_health_reporter_ops *ops,
+ u64 graceful_period, void *priv);
+
+struct devlink_health_reporter *
+devlink_port_health_reporter_create(struct devlink_port *port,
+ const struct devlink_health_reporter_ops *ops,
+ u64 graceful_period, void *priv);
+
+void
+devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
+
+void
+devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
+
+void *
+devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
+int devlink_health_report(struct devlink_health_reporter *reporter,
+ const char *msg, void *priv_ctx);
+void
+devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
+ enum devlink_health_reporter_state state);
+void
+devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
+
+bool devlink_is_reload_failed(const struct devlink *devlink);
+void devlink_remote_reload_actions_performed(struct devlink *devlink,
+ enum devlink_reload_limit limit,
+ u32 actions_performed);
+
+void devlink_flash_update_status_notify(struct devlink *devlink,
+ const char *status_msg,
+ const char *component,
+ unsigned long done,
+ unsigned long total);
+void devlink_flash_update_timeout_notify(struct devlink *devlink,
+ const char *status_msg,
+ const char *component,
+ unsigned long timeout);
+
+int devl_traps_register(struct devlink *devlink,
+ const struct devlink_trap *traps,
+ size_t traps_count, void *priv);
+int devlink_traps_register(struct devlink *devlink,
+ const struct devlink_trap *traps,
+ size_t traps_count, void *priv);
+void devl_traps_unregister(struct devlink *devlink,
+ const struct devlink_trap *traps,
+ size_t traps_count);
+void devlink_traps_unregister(struct devlink *devlink,
+ const struct devlink_trap *traps,
+ size_t traps_count);
+void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
+ void *trap_ctx, struct devlink_port *in_devlink_port,
+ const struct flow_action_cookie *fa_cookie);
+void *devlink_trap_ctx_priv(void *trap_ctx);
+int devl_trap_groups_register(struct devlink *devlink,
+ const struct devlink_trap_group *groups,
+ size_t groups_count);
+int devlink_trap_groups_register(struct devlink *devlink,
+ const struct devlink_trap_group *groups,
+ size_t groups_count);
+void devl_trap_groups_unregister(struct devlink *devlink,
+ const struct devlink_trap_group *groups,
+ size_t groups_count);
+void devlink_trap_groups_unregister(struct devlink *devlink,
+ const struct devlink_trap_group *groups,
+ size_t groups_count);
+int
+devl_trap_policers_register(struct devlink *devlink,
+ const struct devlink_trap_policer *policers,
+ size_t policers_count);
+void
+devl_trap_policers_unregister(struct devlink *devlink,
+ const struct devlink_trap_policer *policers,
+ size_t policers_count);
+
+#if IS_ENABLED(CONFIG_NET_DEVLINK)
+
+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 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,
+ struct netdev_phys_item_id *ppid);
+
+#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 devlink *devlink, char *buf, size_t len)
+{
+}
+
+static inline int
+devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int
+devlink_compat_phys_port_name_get(struct net_device *dev,
+ char *name, size_t len)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int
+devlink_compat_switch_id_get(struct net_device *dev,
+ struct netdev_phys_item_id *ppid)
+{
+ return -EOPNOTSUPP;
+}
+
+#endif
+
+#endif /* _NET_DEVLINK_H_ */