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devlink.h
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/* 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 detrmined by global bit
* @fields: fields
* @fields_count: number of fields
* @global: indicates if header is shared like most protocol header
* or driver specific
*/
struct devlink_dpipe_header {
const char *name;
unsigned int id;
struct devlink_dpipe_field *fields;
unsigned int fields_count;
bool global;
};
/**
* struct devlink_dpipe_match - represents match operation
* @type: type of match
* @header_index: header index (packets can have several headers of same
* type like in case of tunnels)
* @header: header
* @fieled_id: field index
*/
struct devlink_dpipe_match {
enum devlink_dpipe_match_type type;
unsigned int header_index;
struct devlink_dpipe_header *header;
unsigned int field_id;
};
/**
* struct devlink_dpipe_action - represents action operation
* @type: type of action
* @header_index: header index (packets can have several headers of same
* type like in case of tunnels)
* @header: header
* @fieled_id: field index
*/
struct devlink_dpipe_action {
enum devlink_dpipe_action_type type;
unsigned int header_index;
struct devlink_dpipe_header *header;
unsigned int field_id;
};
/**
* struct devlink_dpipe_value - represents value of match/action
* @action: action
* @match: match
* @mapping_value: in case the field has some mapping this value
* specified the mapping value
* @mapping_valid: specify if mapping value is valid
* @value_size: value size
* @value: value
* @mask: bit mask
*/
struct devlink_dpipe_value {
union {
struct devlink_dpipe_action *action;
struct devlink_dpipe_match *match;
};
unsigned int mapping_value;
bool mapping_valid;
unsigned int value_size;
void *value;
void *mask;
};
/**
* struct devlink_dpipe_entry - table entry object
* @index: index of the entry in the table
* @match_values: match values
* @matche_values_count: count of matches tuples
* @action_values: actions values
* @action_values_count: count of actions values
* @counter: value of counter
* @counter_valid: Specify if value is valid from hardware
*/
struct devlink_dpipe_entry {
u64 index;
struct devlink_dpipe_value *match_values;
unsigned int match_values_count;
struct devlink_dpipe_value *action_values;
unsigned int action_values_count;
u64 counter;
bool counter_valid;
};
/**
* struct devlink_dpipe_dump_ctx - context provided to driver in order
* to dump
* @info: info
* @cmd: devlink command
* @skb: skb
* @nest: top attribute
* @hdr: hdr
*/
struct devlink_dpipe_dump_ctx {
struct genl_info *info;
enum devlink_command cmd;
struct sk_buff *skb;
struct nlattr *nest;
void *hdr;
};
struct devlink_dpipe_table_ops;
/**
* struct devlink_dpipe_table - table object
* @priv: private
* @name: table name
* @counters_enabled: indicates if counters are active
* @counter_control_extern: indicates if counter control is in dpipe or
* external tool
* @resource_valid: Indicate that the resource id is valid
* @resource_id: relative resource this table is related to
* @resource_units: number of resource's unit consumed per table's entry
* @table_ops: table operations
* @rcu: rcu
*/
struct devlink_dpipe_table {
void *priv;
struct list_head list;
const char *name;
bool counters_enabled;
bool counter_control_extern;
bool resource_valid;
u64 resource_id;
u64 resource_units;
struct devlink_dpipe_table_ops *table_ops;
struct rcu_head rcu;
};
/**
* struct devlink_dpipe_table_ops - dpipe_table ops
* @actions_dump - dumps all tables actions
* @matches_dump - dumps all tables matches
* @entries_dump - dumps all active entries in the table
* @counters_set_update - when changing the counter status hardware sync
* maybe needed to allocate/free counter related
* resources
* @size_get - get size
*/
struct devlink_dpipe_table_ops {
int (*actions_dump)(void *priv, struct sk_buff *skb);
int (*matches_dump)(void *priv, struct sk_buff *skb);
int (*entries_dump)(void *priv, bool counters_enabled,
struct devlink_dpipe_dump_ctx *dump_ctx);
int (*counters_set_update)(void *priv, bool enable);
u64 (*size_get)(void *priv);
};
/**
* struct devlink_dpipe_headers - dpipe headers
* @headers - header array can be shared (global bit) or driver specific
* @headers_count - count of headers
*/
struct devlink_dpipe_headers {
struct devlink_dpipe_header **headers;
unsigned int headers_count;
};
/**
* struct devlink_resource_size_params - resource's size parameters
* @size_min: minimum size which can be set
* @size_max: maximum size which can be set
* @size_granularity: size granularity
* @size_unit: resource's basic unit
*/
struct devlink_resource_size_params {
u64 size_min;
u64 size_max;
u64 size_granularity;
enum devlink_resource_unit unit;
};
static inline void
devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
u64 size_min, u64 size_max,
u64 size_granularity,
enum devlink_resource_unit unit)
{
size_params->size_min = size_min;
size_params->size_max = size_max;
size_params->size_granularity = size_granularity;
size_params->unit = unit;
}
typedef u64 devlink_resource_occ_get_t(void *priv);
#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
enum devlink_param_type {
DEVLINK_PARAM_TYPE_U8,
DEVLINK_PARAM_TYPE_U16,
DEVLINK_PARAM_TYPE_U32,
DEVLINK_PARAM_TYPE_STRING,
DEVLINK_PARAM_TYPE_BOOL,
};
union devlink_param_value {
u8 vu8;
u16 vu16;
u32 vu32;
char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
bool vbool;
};
struct devlink_param_gset_ctx {
union devlink_param_value val;
enum devlink_param_cmode cmode;
};
/**
* struct devlink_flash_notify - devlink dev flash notify data
* @status_msg: current status string
* @component: firmware component being updated
* @done: amount of work completed of total amount
* @total: amount of work expected to be done
* @timeout: expected max timeout in seconds
*
* These are values to be given to userland to be displayed in order
* to show current activity in a firmware update process.
*/
struct devlink_flash_notify {
const char *status_msg;
const char *component;
unsigned long done;
unsigned long total;
unsigned long timeout;
};
/**
* struct devlink_param - devlink configuration parameter data
* @name: name of the parameter
* @generic: indicates if the parameter is generic or driver specific
* @type: parameter type
* @supported_cmodes: bitmap of supported configuration modes
* @get: get parameter value, used for runtime and permanent
* configuration modes
* @set: set parameter value, used for runtime and permanent
* configuration modes
* @validate: validate input value is applicable (within value range, etc.)
*
* This struct should be used by the driver to fill the data for
* a parameter it registers.
*/
struct devlink_param {
u32 id;
const char *name;
bool generic;
enum devlink_param_type type;
unsigned long supported_cmodes;
int (*get)(struct devlink *devlink, u32 id,
struct devlink_param_gset_ctx *ctx);
int (*set)(struct devlink *devlink, u32 id,
struct devlink_param_gset_ctx *ctx);
int (*validate)(struct devlink *devlink, u32 id,
union devlink_param_value val,
struct netlink_ext_ack *extack);
};
struct devlink_param_item {
struct list_head list;
const struct devlink_param *param;
union devlink_param_value driverinit_value;
bool driverinit_value_valid;
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
*
* 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 \