ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/include/net/devlink.h b/marvell/linux/include/net/devlink.h
new file mode 100644
index 0000000..2116c88
--- /dev/null
+++ b/marvell/linux/include/net/devlink.h
@@ -0,0 +1,1012 @@
+/* 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 <uapi/linux/devlink.h>
+
+struct devlink_ops;
+
+struct devlink {
+ struct list_head list;
+ struct list_head port_list;
+ struct list_head sb_list;
+ struct list_head dpipe_table_list;
+ struct list_head resource_list;
+ struct list_head param_list;
+ struct list_head region_list;
+ u32 snapshot_id;
+ struct list_head reporter_list;
+ struct mutex reporters_lock; /* protects reporter_list */
+ struct devlink_dpipe_headers *dpipe_headers;
+ struct list_head trap_list;
+ struct list_head trap_group_list;
+ const struct devlink_ops *ops;
+ struct device *dev;
+ possible_net_t _net;
+ struct mutex lock;
+ u8 reload_failed:1,
+ reload_enabled:1;
+ char priv[0] __aligned(NETDEV_ALIGN);
+};
+
+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;
+};
+
+struct devlink_port_pci_pf_attrs {
+ u16 pf; /* Associated PCI PF for this port. */
+};
+
+struct devlink_port_pci_vf_attrs {
+ u16 pf; /* Associated PCI PF for this port. */
+ u16 vf; /* Associated PCI VF for of the PCI PF for this port. */
+};
+
+struct devlink_port_attrs {
+ u8 set:1,
+ split:1,
+ switch_port:1;
+ 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 {
+ struct list_head list;
+ struct list_head param_list;
+ struct devlink *devlink;
+ unsigned int index;
+ bool registered;
+ spinlock_t type_lock; /* Protects type and type_dev
+ * pointer consistency.
+ */
+ enum devlink_port_type type;
+ enum devlink_port_type desired_type;
+ void *type_dev;
+ struct devlink_port_attrs attrs;
+ struct delayed_work type_warn_dw;
+};
+
+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);
+
+/**
+ * struct devlink_resource - devlink resource
+ * @name: name of the resource
+ * @id: id, per devlink instance
+ * @size: size of the resource
+ * @size_new: updated size of the resource, reload is needed
+ * @size_valid: valid in case the total size of the resource is valid
+ * including its children
+ * @parent: parent resource
+ * @size_params: size parameters
+ * @list: parent list
+ * @resource_list: list of child resources
+ */
+struct devlink_resource {
+ const char *name;
+ u64 id;
+ u64 size;
+ u64 size_new;
+ bool size_valid;
+ struct devlink_resource *parent;
+ struct devlink_resource_size_params size_params;
+ struct list_head list;
+ struct list_head resource_list;
+ devlink_resource_occ_get_t *occ_get;
+ void *occ_get_priv;
+};
+
+#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
+
+#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_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;
+ bool published;
+};
+
+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,
+
+ /* 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(_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"
+/* 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"
+
+struct devlink_region;
+struct devlink_info_req;
+
+typedef void devlink_snapshot_data_dest_t(const void *data);
+
+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
+ */
+
+struct devlink_health_reporter_ops {
+ char *name;
+ int (*recover)(struct devlink_health_reporter *reporter,
+ void *priv_ctx);
+ int (*dump)(struct devlink_health_reporter *reporter,
+ struct devlink_fmsg *fmsg, void *priv_ctx);
+ int (*diagnose)(struct devlink_health_reporter *reporter,
+ struct devlink_fmsg *fmsg);
+};
+
+/**
+ * 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.
+ *
+ * Describes immutable attributes of packet trap groups that drivers register
+ * with devlink.
+ */
+struct devlink_trap_group {
+ const char *name;
+ u16 id;
+ bool generic;
+};
+
+#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
+
+/**
+ * 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.
+ * @group: Immutable packet trap group attributes.
+ * @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;
+ struct devlink_trap_group group;
+ u32 metadata_cap;
+};
+
+/* All traps must be documented in
+ * Documentation/networking/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,
+
+ /* 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-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_BUFFER_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_GROUP_GENERIC_NAME_L2_DROPS \
+ "l2_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
+ "l3_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
+ "buffer_drops"
+
+#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group, _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, \
+ .group = _group, \
+ .metadata_cap = _metadata_cap, \
+ }
+
+#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group, \
+ _metadata_cap) \
+ { \
+ .type = DEVLINK_TRAP_TYPE_##_type, \
+ .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
+ .generic = false, \
+ .id = _id, \
+ .name = _name, \
+ .group = _group, \
+ .metadata_cap = _metadata_cap, \
+ }
+
+#define DEVLINK_TRAP_GROUP_GENERIC(_id) \
+ { \
+ .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
+ .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
+ .generic = true, \
+ }
+
+struct devlink_ops {
+ int (*reload_down)(struct devlink *devlink,
+ struct netlink_ext_ack *extack);
+ int (*reload_up)(struct devlink *devlink,
+ 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, unsigned int port_index,
+ unsigned int count, struct netlink_ext_ack *extack);
+ int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
+ 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);
+ int (*flash_update)(struct devlink *devlink, const char *file_name,
+ const char *component,
+ 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);
+ /**
+ * @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);
+};
+
+static inline void *devlink_priv(struct devlink *devlink)
+{
+ BUG_ON(!devlink);
+ return &devlink->priv;
+}
+
+static inline struct devlink *priv_to_devlink(void *priv)
+{
+ BUG_ON(!priv);
+ return container_of(priv, struct devlink, priv);
+}
+
+static inline struct devlink_port *
+netdev_to_devlink_port(struct net_device *dev)
+{
+ if (dev->netdev_ops->ndo_get_devlink_port)
+ return dev->netdev_ops->ndo_get_devlink_port(dev);
+ return NULL;
+}
+
+static inline struct devlink *netdev_to_devlink(struct net_device *dev)
+{
+ struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
+
+ if (devlink_port)
+ return devlink_port->devlink;
+ return NULL;
+}
+
+struct ib_device;
+
+struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
+int devlink_register(struct devlink *devlink, struct device *dev);
+void devlink_unregister(struct devlink *devlink);
+void devlink_reload_enable(struct devlink *devlink);
+void devlink_reload_disable(struct devlink *devlink);
+void devlink_free(struct devlink *devlink);
+int devlink_port_register(struct devlink *devlink,
+ struct devlink_port *devlink_port,
+ unsigned int port_index);
+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,
+ enum devlink_port_flavour flavour,
+ u32 port_number, bool split,
+ u32 split_subport_number,
+ const unsigned char *switch_id,
+ unsigned char switch_id_len);
+void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port,
+ const unsigned char *switch_id,
+ unsigned char switch_id_len, u16 pf);
+void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port,
+ const unsigned char *switch_id,
+ unsigned char switch_id_len,
+ u16 pf, u16 vf);
+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 devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
+int devlink_dpipe_table_register(struct devlink *devlink,
+ const char *table_name,
+ struct devlink_dpipe_table_ops *table_ops,
+ void *priv, bool counter_control_extern);
+void devlink_dpipe_table_unregister(struct devlink *devlink,
+ const char *table_name);
+int devlink_dpipe_headers_register(struct devlink *devlink,
+ struct devlink_dpipe_headers *dpipe_headers);
+void devlink_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 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 devlink_resources_unregister(struct devlink *devlink,
+ struct devlink_resource *resource);
+int devlink_resource_size_get(struct devlink *devlink,
+ u64 resource_id,
+ u64 *p_resource_size);
+int devlink_dpipe_table_resource_set(struct devlink *devlink,
+ const char *table_name, u64 resource_id,
+ u64 resource_units);
+void devlink_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_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);
+void devlink_params_publish(struct devlink *devlink);
+void devlink_params_unpublish(struct devlink *devlink);
+int devlink_port_params_register(struct devlink_port *devlink_port,
+ const struct devlink_param *params,
+ size_t params_count);
+void devlink_port_params_unregister(struct devlink_port *devlink_port,
+ const struct devlink_param *params,
+ size_t params_count);
+int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
+ union devlink_param_value *init_val);
+int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
+ union devlink_param_value init_val);
+int
+devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
+ u32 param_id,
+ union devlink_param_value *init_val);
+int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
+ u32 param_id,
+ union devlink_param_value init_val);
+void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
+void devlink_port_param_value_changed(struct devlink_port *devlink_port,
+ u32 param_id);
+void devlink_param_value_str_fill(union devlink_param_value *dst_val,
+ const char *src);
+struct devlink_region *devlink_region_create(struct devlink *devlink,
+ const char *region_name,
+ u32 region_max_snapshots,
+ u64 region_size);
+void devlink_region_destroy(struct devlink_region *region);
+u32 devlink_region_shapshot_id_get(struct devlink *devlink);
+int devlink_region_snapshot_create(struct devlink_region *region,
+ u8 *data, u32 snapshot_id,
+ devlink_snapshot_data_dest_t *data_destructor);
+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_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_running_put(struct devlink_info_req *req,
+ const char *version_name,
+ const char *version_value);
+
+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_bool_put(struct devlink_fmsg *fmsg, bool value);
+int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
+int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
+int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
+int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
+int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
+ u16 value_len);
+
+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, u16 value_len);
+
+struct devlink_health_reporter *
+devlink_health_reporter_create(struct devlink *devlink,
+ const struct devlink_health_reporter_ops *ops,
+ u64 graceful_period, bool auto_recover,
+ void *priv);
+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);
+
+bool devlink_is_reload_failed(const struct devlink *devlink);
+
+void devlink_flash_update_begin_notify(struct devlink *devlink);
+void devlink_flash_update_end_notify(struct devlink *devlink);
+void devlink_flash_update_status_notify(struct devlink *devlink,
+ const char *status_msg,
+ const char *component,
+ unsigned long done,
+ unsigned long total);
+
+int devlink_traps_register(struct devlink *devlink,
+ const struct devlink_trap *traps,
+ size_t traps_count, void *priv);
+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);
+void *devlink_trap_ctx_priv(void *trap_ctx);
+
+#if IS_ENABLED(CONFIG_NET_DEVLINK)
+
+void devlink_compat_running_version(struct net_device *dev,
+ char *buf, size_t len);
+int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
+int devlink_compat_phys_port_name_get(struct net_device *dev,
+ char *name, size_t len);
+int devlink_compat_switch_id_get(struct net_device *dev,
+ struct netdev_phys_item_id *ppid);
+
+#else
+
+static inline void
+devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
+{
+}
+
+static inline int
+devlink_compat_flash_update(struct net_device *dev, const char *file_name)
+{
+ return -EOPNOTSUPP;
+}
+
+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_ */