Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2038 insertions, 0 deletions

diff --git a/include/net/devlink.h b/include/net/devlink.h
new file mode 100644
index 0000000000..29fd1b4ee6
--- /dev/null
+++ b/include/net/devlink.h
@@ -0,0 +1,2038 @@
+/* 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;
+		};
+	};
+
+	u32 tx_priority;
+	u32 tx_weight;
+};
+
+struct devlink_port {
+	struct list_head list;
+	struct list_head region_list;
+	struct devlink *devlink;
+	const struct devlink_port_ops *ops;
+	unsigned int index;
+	spinlock_t type_lock; /* Protects type and type_eth/ib
+			       * structures consistency.
+			       */
+	enum devlink_port_type type;
+	enum devlink_port_type desired_type;
+	union {
+		struct {
+			struct net_device *netdev;
+			int ifindex;
+			char ifname[IFNAMSIZ];
+		} type_eth;
+		struct {
+			struct ib_device *ibdev;
+		} type_ib;
+	};
+	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 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 determined 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
+ * @field_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
+ * @field_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
+ * @match_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;
+	/* private: */
+	struct list_head list;
+	/* public: */
+	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
+ * @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
+ * @id: devlink parameter id number
+ * @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;
+	union devlink_param_value driverinit_value_new; /* Not reachable
+							 * until reload.
+							 */
+	bool driverinit_value_new_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"
+/* Bootloader */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER	"fw.bootloader"
+
+/**
+ * struct devlink_flash_update_params - Flash Update parameters
+ * @fw: pointer to the firmware data to update from
+ * @component: the flash component to update
+ * @overwrite_mask: which types of flash update are supported (may be %0)
+ *
+ * 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.
+ * @read: callback to directly read a portion of the region. On success,
+ *        the data pointer will be updated with the contents of the
+ *        requested portion of the region. 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);
+	int (*read)(struct devlink *devlink,
+		    const struct devlink_region_ops *ops,
+		    struct netlink_ext_ack *extack,
+		    u64 offset, u32 size, 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.
+ * @read: callback to directly read a portion of the region. On success,
+ *        the data pointer will be updated with the contents of the
+ *        requested portion of the region. 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);
+	int (*read)(struct devlink_port *port,
+		    const struct devlink_port_region_ops *ops,
+		    struct netlink_ext_ack *extack,
+		    u64 offset, u32 size, 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,
+	DEVLINK_TRAP_GENERIC_ID_EAPOL,
+	DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
+
+	/* 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,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
+
+	/* 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_GENERIC_NAME_EAPOL \
+	"eapol"
+#define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
+	"locked_port"
+
+#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_GROUP_GENERIC_NAME_EAPOL \
+	"eapol"
+
+#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
+	 * implementation.
+	 */
+	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 (*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_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
+	 * @devlink_port: pointer to store new devlink port pointer
+	 *
+	 * 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:
+	 *	- 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,
+			struct devlink_port **devlink_port);
+
+	/**
+	 * 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_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
+					 u32 tx_priority, struct netlink_ext_ack *extack);
+	int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
+				       u32 tx_weight, 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_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
+					 u32 tx_priority, struct netlink_ext_ack *extack);
+	int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
+				       u32 tx_weight, 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);
+}
+
+int devl_register(struct devlink *devlink);
+void devl_unregister(struct devlink *devlink);
+void devlink_register(struct devlink *devlink);
+void devlink_unregister(struct devlink *devlink);
+void devlink_free(struct devlink *devlink);
+
+/**
+ * struct devlink_port_ops - Port operations
+ * @port_split: Callback used to split the port into multiple ones.
+ * @port_unsplit: Callback used to unsplit the port group back into
+ *		  a single port.
+ * @port_type_set: Callback used to set a type of a port.
+ * @port_del: Callback used to delete selected port along with related function.
+ *	      Devlink core calls this upon user request to delete
+ *	      a port previously created by devlink_ops->port_new().
+ * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
+ *			 Should be used by device drivers to report
+ *			 the hardware address of a function managed
+ *			 by the devlink port.
+ * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
+ *			 Should be used by device drivers to set the hardware
+ *			 address of a function managed by the devlink port.
+ * @port_fn_roce_get: Callback used to get port function's RoCE capability.
+ *		      Should be used by device drivers to report
+ *		      the current state of RoCE capability of a function
+ *		      managed by the devlink port.
+ * @port_fn_roce_set: Callback used to set port function's RoCE capability.
+ *		      Should be used by device drivers to enable/disable
+ *		      RoCE capability of a function managed
+ *		      by the devlink port.
+ * @port_fn_migratable_get: Callback used to get port function's migratable
+ *			    capability. Should be used by device drivers
+ *			    to report the current state of migratable capability
+ *			    of a function managed by the devlink port.
+ * @port_fn_migratable_set: Callback used to set port function's migratable
+ *			    capability. Should be used by device drivers
+ *			    to enable/disable migratable capability of
+ *			    a function managed by the devlink port.
+ * @port_fn_state_get: Callback used to get port function's state.
+ *		       Should be used by device drivers to report
+ *		       the current admin and operational state of a
+ *		       function managed by the devlink port.
+ * @port_fn_state_set: Callback used to get port function's state.
+ *		       Should be used by device drivers set
+ *		       the admin state of a function managed
+ *		       by the devlink port.
+ * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
+ *			      capability. Should be used by device drivers
+ *			      to report the current state of ipsec_crypto
+ *			      capability of a function managed by the devlink
+ *			      port.
+ * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
+ *			      capability. Should be used by device drivers to
+ *			      enable/disable ipsec_crypto capability of a
+ *			      function managed by the devlink port.
+ * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
+ *			      capability. Should be used by device drivers
+ *			      to report the current state of ipsec_packet
+ *			      capability of a function managed by the devlink
+ *			      port.
+ * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
+ *			      capability. Should be used by device drivers to
+ *			      enable/disable ipsec_packet capability of a
+ *			      function managed by the devlink port.
+ *
+ * Note: Driver should return -EOPNOTSUPP if it doesn't support
+ * port function (@port_fn_*) handling for a particular port.
+ */
+struct devlink_port_ops {
+	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 (*port_type_set)(struct devlink_port *devlink_port,
+			     enum devlink_port_type port_type);
+	int (*port_del)(struct devlink *devlink, struct devlink_port *port,
+			struct netlink_ext_ack *extack);
+	int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
+				   int *hw_addr_len,
+				   struct netlink_ext_ack *extack);
+	int (*port_fn_hw_addr_set)(struct devlink_port *port,
+				   const u8 *hw_addr, int hw_addr_len,
+				   struct netlink_ext_ack *extack);
+	int (*port_fn_roce_get)(struct devlink_port *devlink_port,
+				bool *is_enable,
+				struct netlink_ext_ack *extack);
+	int (*port_fn_roce_set)(struct devlink_port *devlink_port,
+				bool enable, struct netlink_ext_ack *extack);
+	int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
+				      bool *is_enable,
+				      struct netlink_ext_ack *extack);
+	int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
+				      bool enable,
+				      struct netlink_ext_ack *extack);
+	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);
+	int (*port_fn_state_set)(struct devlink_port *port,
+				 enum devlink_port_fn_state state,
+				 struct netlink_ext_ack *extack);
+	int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
+					bool *is_enable,
+					struct netlink_ext_ack *extack);
+	int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
+					bool enable,
+					struct netlink_ext_ack *extack);
+	int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
+					bool *is_enable,
+					struct netlink_ext_ack *extack);
+	int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
+					bool enable,
+					struct netlink_ext_ack *extack);
+};
+
+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_with_ops(struct devlink *devlink,
+				struct devlink_port *devlink_port,
+				unsigned int port_index,
+				const struct devlink_port_ops *ops);
+
+static inline int devl_port_register(struct devlink *devlink,
+				     struct devlink_port *devlink_port,
+				     unsigned int port_index)
+{
+	return devl_port_register_with_ops(devlink, devlink_port,
+					   port_index, NULL);
+}
+
+int devlink_port_register_with_ops(struct devlink *devlink,
+				   struct devlink_port *devlink_port,
+				   unsigned int port_index,
+				   const struct devlink_port_ops *ops);
+
+static inline int devlink_port_register(struct devlink *devlink,
+					struct devlink_port *devlink_port,
+					unsigned int port_index)
+{
+	return devlink_port_register_with_ops(devlink, devlink_port,
+					      port_index, NULL);
+}
+
+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);
+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);
+struct devlink_rate *
+devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
+		      struct devlink_rate *parent);
+int
+devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
+		      struct devlink_rate *parent);
+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 *
+devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
+		     const struct devlink_linecard_ops *ops, void *priv);
+void devl_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);
+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 devl_params_register(struct devlink *devlink,
+			 const struct devlink_param *params,
+			 size_t params_count);
+int devlink_params_register(struct devlink *devlink,
+			    const struct devlink_param *params,
+			    size_t params_count);
+void devl_params_unregister(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 devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
+				    union devlink_param_value *val);
+void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
+				     union devlink_param_value init_val);
+void devl_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);
+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_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 *
+devl_port_health_reporter_create(struct devlink_port *port,
+				 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);
+
+struct devlink_health_reporter *
+devl_health_reporter_create(struct devlink *devlink,
+			    const struct devlink_health_reporter_ops *ops,
+			    u64 graceful_period, void *priv);
+
+struct devlink_health_reporter *
+devlink_health_reporter_create(struct devlink *devlink,
+			       const struct devlink_health_reporter_ops *ops,
+			       u64 graceful_period, void *priv);
+
+void
+devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
+
+void
+devlink_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);
+
+int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
+size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
+
+#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;
+}
+
+static inline int
+devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
+{
+	return 0;
+}
+
+static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
+{
+	return 0;
+}
+
+#endif
+
+#endif /* _NET_DEVLINK_H_ */