1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * include/net/devlink.h - Network physical device Netlink interface
4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
7 #ifndef _NET_DEVLINK_H_
8 #define _NET_DEVLINK_H_
10 #include <linux/device.h>
11 #include <linux/slab.h>
12 #include <linux/gfp.h>
13 #include <linux/list.h>
14 #include <linux/netdevice.h>
15 #include <linux/spinlock.h>
16 #include <linux/workqueue.h>
17 #include <linux/refcount.h>
18 #include <net/net_namespace.h>
19 #include <net/flow_offload.h>
20 #include <uapi/linux/devlink.h>
21 #include <linux/xarray.h>
22 #include <linux/firmware.h>
25 struct devlink_linecard;
27 struct devlink_port_phys_attrs {
28 u32 port_number; /* Same value as "split group".
29 * A physical port which is visible to the user
30 * for a given port flavour.
32 u32 split_subport_number; /* If the port is split, this is the number of subport. */
36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
37 * @controller: Associated controller number
38 * @pf: Associated PCI PF number for this port.
39 * @external: when set, indicates if a port is for an external controller
41 struct devlink_port_pci_pf_attrs {
48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
49 * @controller: Associated controller number
50 * @pf: Associated PCI PF number for this port.
51 * @vf: Associated PCI VF for of the PCI PF for this port.
52 * @external: when set, indicates if a port is for an external controller
54 struct devlink_port_pci_vf_attrs {
62 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
63 * @controller: Associated controller number
64 * @sf: Associated PCI SF for of the PCI PF for this port.
65 * @pf: Associated PCI PF number for this port.
66 * @external: when set, indicates if a port is for an external controller
68 struct devlink_port_pci_sf_attrs {
76 * struct devlink_port_attrs - devlink port object
77 * @flavour: flavour of the port
78 * @split: indicates if this is split port
79 * @splittable: indicates if the port can be split.
80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
82 * @phys: physical port attributes
83 * @pci_pf: PCI PF port attributes
84 * @pci_vf: PCI VF port attributes
85 * @pci_sf: PCI SF port attributes
87 struct devlink_port_attrs {
91 enum devlink_port_flavour flavour;
92 struct netdev_phys_item_id switch_id;
94 struct devlink_port_phys_attrs phys;
95 struct devlink_port_pci_pf_attrs pci_pf;
96 struct devlink_port_pci_vf_attrs pci_vf;
97 struct devlink_port_pci_sf_attrs pci_sf;
101 struct devlink_rate {
102 struct list_head list;
103 enum devlink_rate_type type;
104 struct devlink *devlink;
109 struct devlink_rate *parent;
111 struct devlink_port *devlink_port;
122 struct devlink_port {
123 struct list_head list;
124 struct list_head region_list;
125 struct devlink *devlink;
126 const struct devlink_port_ops *ops;
128 spinlock_t type_lock; /* Protects type and type_eth/ib
129 * structures consistency.
131 enum devlink_port_type type;
132 enum devlink_port_type desired_type;
135 struct net_device *netdev;
137 char ifname[IFNAMSIZ];
140 struct ib_device *ibdev;
143 struct devlink_port_attrs attrs;
148 struct delayed_work type_warn_dw;
149 struct list_head reporter_list;
151 struct devlink_rate *devlink_rate;
152 struct devlink_linecard *linecard;
156 struct devlink_port_new_attrs {
157 enum devlink_port_flavour flavour;
158 unsigned int port_index;
162 u8 port_index_valid:1,
168 * struct devlink_linecard_ops - Linecard operations
169 * @provision: callback to provision the linecard slot with certain
170 * type of linecard. As a result of this operation,
171 * driver is expected to eventually (could be after
172 * the function call returns) call one of:
173 * devlink_linecard_provision_set()
174 * devlink_linecard_provision_fail()
175 * @unprovision: callback to unprovision the linecard slot. As a result
176 * of this operation, driver is expected to eventually
177 * (could be after the function call returns) call
178 * devlink_linecard_provision_clear()
179 * devlink_linecard_provision_fail()
180 * @same_provision: callback to ask the driver if linecard is already
181 * provisioned in the same way user asks this linecard to be
183 * @types_count: callback to get number of supported types
184 * @types_get: callback to get next type in list
186 struct devlink_linecard_ops {
187 int (*provision)(struct devlink_linecard *linecard, void *priv,
188 const char *type, const void *type_priv,
189 struct netlink_ext_ack *extack);
190 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
191 struct netlink_ext_ack *extack);
192 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
193 const char *type, const void *type_priv);
194 unsigned int (*types_count)(struct devlink_linecard *linecard,
196 void (*types_get)(struct devlink_linecard *linecard,
197 void *priv, unsigned int index, const char **type,
198 const void **type_priv);
201 struct devlink_sb_pool_info {
202 enum devlink_sb_pool_type pool_type;
204 enum devlink_sb_threshold_type threshold_type;
209 * struct devlink_dpipe_field - dpipe field object
211 * @id: index inside the headers field array
212 * @bitwidth: bitwidth
213 * @mapping_type: mapping type
215 struct devlink_dpipe_field {
218 unsigned int bitwidth;
219 enum devlink_dpipe_field_mapping_type mapping_type;
223 * struct devlink_dpipe_header - dpipe header object
225 * @id: index, global/local determined by global bit
227 * @fields_count: number of fields
228 * @global: indicates if header is shared like most protocol header
231 struct devlink_dpipe_header {
234 struct devlink_dpipe_field *fields;
235 unsigned int fields_count;
240 * struct devlink_dpipe_match - represents match operation
241 * @type: type of match
242 * @header_index: header index (packets can have several headers of same
243 * type like in case of tunnels)
245 * @field_id: field index
247 struct devlink_dpipe_match {
248 enum devlink_dpipe_match_type type;
249 unsigned int header_index;
250 struct devlink_dpipe_header *header;
251 unsigned int field_id;
255 * struct devlink_dpipe_action - represents action operation
256 * @type: type of action
257 * @header_index: header index (packets can have several headers of same
258 * type like in case of tunnels)
260 * @field_id: field index
262 struct devlink_dpipe_action {
263 enum devlink_dpipe_action_type type;
264 unsigned int header_index;
265 struct devlink_dpipe_header *header;
266 unsigned int field_id;
270 * struct devlink_dpipe_value - represents value of match/action
273 * @mapping_value: in case the field has some mapping this value
274 * specified the mapping value
275 * @mapping_valid: specify if mapping value is valid
276 * @value_size: value size
280 struct devlink_dpipe_value {
282 struct devlink_dpipe_action *action;
283 struct devlink_dpipe_match *match;
285 unsigned int mapping_value;
287 unsigned int value_size;
293 * struct devlink_dpipe_entry - table entry object
294 * @index: index of the entry in the table
295 * @match_values: match values
296 * @match_values_count: count of matches tuples
297 * @action_values: actions values
298 * @action_values_count: count of actions values
299 * @counter: value of counter
300 * @counter_valid: Specify if value is valid from hardware
302 struct devlink_dpipe_entry {
304 struct devlink_dpipe_value *match_values;
305 unsigned int match_values_count;
306 struct devlink_dpipe_value *action_values;
307 unsigned int action_values_count;
313 * struct devlink_dpipe_dump_ctx - context provided to driver in order
316 * @cmd: devlink command
318 * @nest: top attribute
321 struct devlink_dpipe_dump_ctx {
322 struct genl_info *info;
323 enum devlink_command cmd;
329 struct devlink_dpipe_table_ops;
332 * struct devlink_dpipe_table - table object
335 * @counters_enabled: indicates if counters are active
336 * @counter_control_extern: indicates if counter control is in dpipe or
338 * @resource_valid: Indicate that the resource id is valid
339 * @resource_id: relative resource this table is related to
340 * @resource_units: number of resource's unit consumed per table's entry
341 * @table_ops: table operations
344 struct devlink_dpipe_table {
347 struct list_head list;
350 bool counters_enabled;
351 bool counter_control_extern;
355 struct devlink_dpipe_table_ops *table_ops;
360 * struct devlink_dpipe_table_ops - dpipe_table ops
361 * @actions_dump: dumps all tables actions
362 * @matches_dump: dumps all tables matches
363 * @entries_dump: dumps all active entries in the table
364 * @counters_set_update: when changing the counter status hardware sync
365 * maybe needed to allocate/free counter related
367 * @size_get: get size
369 struct devlink_dpipe_table_ops {
370 int (*actions_dump)(void *priv, struct sk_buff *skb);
371 int (*matches_dump)(void *priv, struct sk_buff *skb);
372 int (*entries_dump)(void *priv, bool counters_enabled,
373 struct devlink_dpipe_dump_ctx *dump_ctx);
374 int (*counters_set_update)(void *priv, bool enable);
375 u64 (*size_get)(void *priv);
379 * struct devlink_dpipe_headers - dpipe headers
380 * @headers: header array can be shared (global bit) or driver specific
381 * @headers_count: count of headers
383 struct devlink_dpipe_headers {
384 struct devlink_dpipe_header **headers;
385 unsigned int headers_count;
389 * struct devlink_resource_size_params - resource's size parameters
390 * @size_min: minimum size which can be set
391 * @size_max: maximum size which can be set
392 * @size_granularity: size granularity
393 * @unit: resource's basic unit
395 struct devlink_resource_size_params {
398 u64 size_granularity;
399 enum devlink_resource_unit unit;
403 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
404 u64 size_min, u64 size_max,
405 u64 size_granularity,
406 enum devlink_resource_unit unit)
408 size_params->size_min = size_min;
409 size_params->size_max = size_max;
410 size_params->size_granularity = size_granularity;
411 size_params->unit = unit;
414 typedef u64 devlink_resource_occ_get_t(void *priv);
416 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0
418 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
420 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32
421 enum devlink_param_type {
422 DEVLINK_PARAM_TYPE_U8,
423 DEVLINK_PARAM_TYPE_U16,
424 DEVLINK_PARAM_TYPE_U32,
425 DEVLINK_PARAM_TYPE_STRING,
426 DEVLINK_PARAM_TYPE_BOOL,
429 union devlink_param_value {
433 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
437 struct devlink_param_gset_ctx {
438 union devlink_param_value val;
439 enum devlink_param_cmode cmode;
443 * struct devlink_flash_notify - devlink dev flash notify data
444 * @status_msg: current status string
445 * @component: firmware component being updated
446 * @done: amount of work completed of total amount
447 * @total: amount of work expected to be done
448 * @timeout: expected max timeout in seconds
450 * These are values to be given to userland to be displayed in order
451 * to show current activity in a firmware update process.
453 struct devlink_flash_notify {
454 const char *status_msg;
455 const char *component;
458 unsigned long timeout;
462 * struct devlink_param - devlink configuration parameter data
463 * @id: devlink parameter id number
464 * @name: name of the parameter
465 * @generic: indicates if the parameter is generic or driver specific
466 * @type: parameter type
467 * @supported_cmodes: bitmap of supported configuration modes
468 * @get: get parameter value, used for runtime and permanent
469 * configuration modes
470 * @set: set parameter value, used for runtime and permanent
471 * configuration modes
472 * @validate: validate input value is applicable (within value range, etc.)
474 * This struct should be used by the driver to fill the data for
475 * a parameter it registers.
477 struct devlink_param {
481 enum devlink_param_type type;
482 unsigned long supported_cmodes;
483 int (*get)(struct devlink *devlink, u32 id,
484 struct devlink_param_gset_ctx *ctx);
485 int (*set)(struct devlink *devlink, u32 id,
486 struct devlink_param_gset_ctx *ctx);
487 int (*validate)(struct devlink *devlink, u32 id,
488 union devlink_param_value val,
489 struct netlink_ext_ack *extack);
492 struct devlink_param_item {
493 struct list_head list;
494 const struct devlink_param *param;
495 union devlink_param_value driverinit_value;
496 bool driverinit_value_valid;
497 union devlink_param_value driverinit_value_new; /* Not reachable
500 bool driverinit_value_new_valid;
503 enum devlink_param_generic_id {
504 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
505 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
506 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
507 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
508 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
509 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
510 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
511 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
512 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
513 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
514 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
515 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
516 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
517 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
518 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
519 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
520 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
522 /* add new param generic ids above here*/
523 __DEVLINK_PARAM_GENERIC_ID_MAX,
524 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
527 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
528 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
530 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
531 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
533 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
534 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
536 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
537 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
539 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
540 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
542 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
543 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
545 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
546 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
548 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
549 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
551 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
552 "reset_dev_on_drv_probe"
553 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
555 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
556 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
558 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
559 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
561 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
562 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
564 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
565 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
567 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
568 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
570 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
571 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
573 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
574 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
576 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
577 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
579 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
581 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
582 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
583 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
585 .supported_cmodes = _cmodes, \
588 .validate = _validate, \
591 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
596 .supported_cmodes = _cmodes, \
599 .validate = _validate, \
602 /* Part number, identifier of board design */
603 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
604 /* Revision of board design */
605 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
606 /* Maker of the board */
607 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
609 /* Part number, identifier of asic design */
610 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
611 /* Revision of asic design */
612 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
614 /* Overall FW version */
615 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
616 /* Control processor FW version */
617 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
618 /* FW interface specification version */
619 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
620 /* Data path microcode controlling high-speed packet processing */
621 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
622 /* UNDI software version */
623 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
624 /* NCSI support/handler version */
625 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
626 /* FW parameter set id */
627 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
628 /* RoCE FW version */
629 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
630 /* Firmware bundle identifier */
631 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
633 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
636 * struct devlink_flash_update_params - Flash Update parameters
637 * @fw: pointer to the firmware data to update from
638 * @component: the flash component to update
639 * @overwrite_mask: which types of flash update are supported (may be %0)
641 * With the exception of fw, drivers must opt-in to parameters by
642 * setting the appropriate bit in the supported_flash_update_params field in
643 * their devlink_ops structure.
645 struct devlink_flash_update_params {
646 const struct firmware *fw;
647 const char *component;
651 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
653 struct devlink_region;
654 struct devlink_info_req;
657 * struct devlink_region_ops - Region operations
659 * @destructor: callback used to free snapshot memory when deleting
660 * @snapshot: callback to request an immediate snapshot. On success,
661 * the data variable must be updated to point to the snapshot data.
662 * The function will be called while the devlink instance lock is
664 * @read: callback to directly read a portion of the region. On success,
665 * the data pointer will be updated with the contents of the
666 * requested portion of the region. The function will be called
667 * while the devlink instance lock is held.
668 * @priv: Pointer to driver private data for the region operation
670 struct devlink_region_ops {
672 void (*destructor)(const void *data);
673 int (*snapshot)(struct devlink *devlink,
674 const struct devlink_region_ops *ops,
675 struct netlink_ext_ack *extack,
677 int (*read)(struct devlink *devlink,
678 const struct devlink_region_ops *ops,
679 struct netlink_ext_ack *extack,
680 u64 offset, u32 size, u8 *data);
685 * struct devlink_port_region_ops - Region operations for a port
687 * @destructor: callback used to free snapshot memory when deleting
688 * @snapshot: callback to request an immediate snapshot. On success,
689 * the data variable must be updated to point to the snapshot data.
690 * The function will be called while the devlink instance lock is
692 * @read: callback to directly read a portion of the region. On success,
693 * the data pointer will be updated with the contents of the
694 * requested portion of the region. The function will be called
695 * while the devlink instance lock is held.
696 * @priv: Pointer to driver private data for the region operation
698 struct devlink_port_region_ops {
700 void (*destructor)(const void *data);
701 int (*snapshot)(struct devlink_port *port,
702 const struct devlink_port_region_ops *ops,
703 struct netlink_ext_ack *extack,
705 int (*read)(struct devlink_port *port,
706 const struct devlink_port_region_ops *ops,
707 struct netlink_ext_ack *extack,
708 u64 offset, u32 size, u8 *data);
713 struct devlink_health_reporter;
715 enum devlink_health_reporter_state {
716 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
717 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
721 * struct devlink_health_reporter_ops - Reporter operations
722 * @name: reporter name
723 * @recover: callback to recover from reported error
724 * if priv_ctx is NULL, run a full recover
725 * @dump: callback to dump an object
726 * if priv_ctx is NULL, run a full dump
727 * @diagnose: callback to diagnose the current status
728 * @test: callback to trigger a test event
731 struct devlink_health_reporter_ops {
733 int (*recover)(struct devlink_health_reporter *reporter,
734 void *priv_ctx, struct netlink_ext_ack *extack);
735 int (*dump)(struct devlink_health_reporter *reporter,
736 struct devlink_fmsg *fmsg, void *priv_ctx,
737 struct netlink_ext_ack *extack);
738 int (*diagnose)(struct devlink_health_reporter *reporter,
739 struct devlink_fmsg *fmsg,
740 struct netlink_ext_ack *extack);
741 int (*test)(struct devlink_health_reporter *reporter,
742 struct netlink_ext_ack *extack);
746 * struct devlink_trap_metadata - Packet trap metadata.
747 * @trap_name: Trap name.
748 * @trap_group_name: Trap group name.
749 * @input_dev: Input netdevice.
750 * @dev_tracker: refcount tracker for @input_dev.
751 * @fa_cookie: Flow action user cookie.
752 * @trap_type: Trap type.
754 struct devlink_trap_metadata {
755 const char *trap_name;
756 const char *trap_group_name;
758 struct net_device *input_dev;
759 netdevice_tracker dev_tracker;
761 const struct flow_action_cookie *fa_cookie;
762 enum devlink_trap_type trap_type;
766 * struct devlink_trap_policer - Immutable packet trap policer attributes.
767 * @id: Policer identifier.
768 * @init_rate: Initial rate in packets / sec.
769 * @init_burst: Initial burst size in packets.
770 * @max_rate: Maximum rate.
771 * @min_rate: Minimum rate.
772 * @max_burst: Maximum burst size.
773 * @min_burst: Minimum burst size.
775 * Describes immutable attributes of packet trap policers that drivers register
778 struct devlink_trap_policer {
789 * struct devlink_trap_group - Immutable packet trap group attributes.
790 * @name: Trap group name.
791 * @id: Trap group identifier.
792 * @generic: Whether the trap group is generic or not.
793 * @init_policer_id: Initial policer identifier.
795 * Describes immutable attributes of packet trap groups that drivers register
798 struct devlink_trap_group {
805 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
806 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
809 * struct devlink_trap - Immutable packet trap attributes.
811 * @init_action: Initial trap action.
812 * @generic: Whether the trap is generic or not.
813 * @id: Trap identifier.
815 * @init_group_id: Initial group identifier.
816 * @metadata_cap: Metadata types that can be provided by the trap.
818 * Describes immutable attributes of packet traps that drivers register with
821 struct devlink_trap {
822 enum devlink_trap_type type;
823 enum devlink_trap_action init_action;
831 /* All traps must be documented in
832 * Documentation/networking/devlink/devlink-trap.rst
834 enum devlink_trap_generic_id {
835 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
836 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
837 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
838 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
839 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
840 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
841 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
842 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
843 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
844 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
845 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
846 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
847 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
848 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
849 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
850 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
851 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
852 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
853 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
854 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
855 DEVLINK_TRAP_GENERIC_ID_RPF,
856 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
857 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
858 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
859 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
860 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
861 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
862 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
863 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
864 DEVLINK_TRAP_GENERIC_ID_STP,
865 DEVLINK_TRAP_GENERIC_ID_LACP,
866 DEVLINK_TRAP_GENERIC_ID_LLDP,
867 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
868 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
869 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
870 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
871 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
872 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
873 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
874 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
875 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
876 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
877 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
878 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
879 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
880 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
881 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
882 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
883 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
884 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
885 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
886 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
887 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
888 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
889 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
890 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
891 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
892 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
893 DEVLINK_TRAP_GENERIC_ID_UC_LB,
894 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
895 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
896 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
897 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
898 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
899 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
900 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
901 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
902 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
903 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
904 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
905 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
906 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
907 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
908 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
909 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
910 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
911 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
912 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
913 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
914 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
915 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
916 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
917 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
918 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
919 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
920 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
921 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
922 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
923 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
924 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
925 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
926 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
927 DEVLINK_TRAP_GENERIC_ID_EAPOL,
928 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
930 /* Add new generic trap IDs above */
931 __DEVLINK_TRAP_GENERIC_ID_MAX,
932 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
935 /* All trap groups must be documented in
936 * Documentation/networking/devlink/devlink-trap.rst
938 enum devlink_trap_group_generic_id {
939 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
940 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
941 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
942 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
943 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
944 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
945 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
946 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
947 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
948 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
949 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
950 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
951 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
952 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
953 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
954 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
955 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
956 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
957 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
958 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
959 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
960 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
961 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
962 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
963 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
964 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
965 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
967 /* Add new generic trap group IDs above */
968 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
969 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
970 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
973 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
974 "source_mac_is_multicast"
975 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
977 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
978 "ingress_vlan_filter"
979 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
980 "ingress_spanning_tree_filter"
981 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
983 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
984 "port_loopback_filter"
985 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
987 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
988 "ttl_value_is_too_small"
989 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
991 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
993 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
994 "uc_dip_over_mc_dmac"
995 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
996 "dip_is_loopback_address"
997 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
999 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
1000 "sip_is_loopback_address"
1001 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
1002 "ip_header_corrupted"
1003 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
1004 "ipv4_sip_is_limited_bc"
1005 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1006 "ipv6_mc_dip_reserved_scope"
1007 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1008 "ipv6_mc_dip_interface_local_scope"
1009 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1010 "mtu_value_is_too_small"
1011 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1013 #define DEVLINK_TRAP_GENERIC_NAME_RPF \
1014 "mc_reverse_path_forwarding"
1015 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1017 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1019 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1021 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1022 "non_routable_packet"
1023 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1025 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1026 "overlay_smac_is_mc"
1027 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1028 "ingress_flow_action_drop"
1029 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1030 "egress_flow_action_drop"
1031 #define DEVLINK_TRAP_GENERIC_NAME_STP \
1033 #define DEVLINK_TRAP_GENERIC_NAME_LACP \
1035 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1037 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1039 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1041 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1043 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1045 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1047 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1049 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1051 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1053 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1055 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1057 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1059 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1061 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1063 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1066 "ipv6_neigh_solicit"
1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1071 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1073 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1075 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1079 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1081 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1083 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1085 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1087 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1089 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1091 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1093 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1095 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1096 "ipv6_uc_dip_link_local_scope"
1097 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1098 "ipv6_dip_all_nodes"
1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1100 "ipv6_dip_all_routers"
1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1102 "ipv6_router_solicit"
1103 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1104 "ipv6_router_advert"
1105 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1107 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1109 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1111 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1113 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1115 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1116 "flow_action_sample"
1117 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1119 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1121 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1123 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1125 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1127 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1129 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1131 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1133 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1135 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1137 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1139 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1141 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1143 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1145 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1147 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1149 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1151 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1153 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1155 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1157 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1159 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1162 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1164 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1168 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1170 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1172 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1178 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1180 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1182 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1184 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1186 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1188 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1190 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1192 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1194 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1196 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1198 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1200 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1202 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1204 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1206 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1208 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1210 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1212 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1213 "parser_error_drops"
1214 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1217 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1220 .type = DEVLINK_TRAP_TYPE_##_type, \
1221 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1223 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1224 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1225 .init_group_id = _group_id, \
1226 .metadata_cap = _metadata_cap, \
1229 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1232 .type = DEVLINK_TRAP_TYPE_##_type, \
1233 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1237 .init_group_id = _group_id, \
1238 .metadata_cap = _metadata_cap, \
1241 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1243 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1244 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1246 .init_policer_id = _policer_id, \
1249 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1250 _max_burst, _min_burst) \
1253 .init_rate = _rate, \
1254 .init_burst = _burst, \
1255 .max_rate = _max_rate, \
1256 .min_rate = _min_rate, \
1257 .max_burst = _max_burst, \
1258 .min_burst = _min_burst, \
1262 /* device supports reload operations */
1263 DEVLINK_F_RELOAD = 1UL << 0,
1266 struct devlink_ops {
1268 * @supported_flash_update_params:
1269 * mask of parameters supported by the driver's .flash_update
1272 u32 supported_flash_update_params;
1273 unsigned long reload_actions;
1274 unsigned long reload_limits;
1275 int (*reload_down)(struct devlink *devlink, bool netns_change,
1276 enum devlink_reload_action action,
1277 enum devlink_reload_limit limit,
1278 struct netlink_ext_ack *extack);
1279 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1280 enum devlink_reload_limit limit, u32 *actions_performed,
1281 struct netlink_ext_ack *extack);
1282 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1284 struct devlink_sb_pool_info *pool_info);
1285 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1286 u16 pool_index, u32 size,
1287 enum devlink_sb_threshold_type threshold_type,
1288 struct netlink_ext_ack *extack);
1289 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1290 unsigned int sb_index, u16 pool_index,
1292 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1293 unsigned int sb_index, u16 pool_index,
1294 u32 threshold, struct netlink_ext_ack *extack);
1295 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1296 unsigned int sb_index,
1298 enum devlink_sb_pool_type pool_type,
1299 u16 *p_pool_index, u32 *p_threshold);
1300 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1301 unsigned int sb_index,
1303 enum devlink_sb_pool_type pool_type,
1304 u16 pool_index, u32 threshold,
1305 struct netlink_ext_ack *extack);
1306 int (*sb_occ_snapshot)(struct devlink *devlink,
1307 unsigned int sb_index);
1308 int (*sb_occ_max_clear)(struct devlink *devlink,
1309 unsigned int sb_index);
1310 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1311 unsigned int sb_index, u16 pool_index,
1312 u32 *p_cur, u32 *p_max);
1313 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1314 unsigned int sb_index,
1316 enum devlink_sb_pool_type pool_type,
1317 u32 *p_cur, u32 *p_max);
1319 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1320 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1321 struct netlink_ext_ack *extack);
1322 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1323 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1324 struct netlink_ext_ack *extack);
1325 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1326 enum devlink_eswitch_encap_mode *p_encap_mode);
1327 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1328 enum devlink_eswitch_encap_mode encap_mode,
1329 struct netlink_ext_ack *extack);
1330 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1331 struct netlink_ext_ack *extack);
1333 * @flash_update: Device flash update function
1335 * Used to perform a flash update for the device. The set of
1336 * parameters supported by the driver should be set in
1337 * supported_flash_update_params.
1339 int (*flash_update)(struct devlink *devlink,
1340 struct devlink_flash_update_params *params,
1341 struct netlink_ext_ack *extack);
1343 * @trap_init: Trap initialization function.
1345 * Should be used by device drivers to initialize the trap in the
1346 * underlying device. Drivers should also store the provided trap
1347 * context, so that they could efficiently pass it to
1348 * devlink_trap_report() when the trap is triggered.
1350 int (*trap_init)(struct devlink *devlink,
1351 const struct devlink_trap *trap, void *trap_ctx);
1353 * @trap_fini: Trap de-initialization function.
1355 * Should be used by device drivers to de-initialize the trap in the
1356 * underlying device.
1358 void (*trap_fini)(struct devlink *devlink,
1359 const struct devlink_trap *trap, void *trap_ctx);
1361 * @trap_action_set: Trap action set function.
1363 int (*trap_action_set)(struct devlink *devlink,
1364 const struct devlink_trap *trap,
1365 enum devlink_trap_action action,
1366 struct netlink_ext_ack *extack);
1368 * @trap_group_init: Trap group initialization function.
1370 * Should be used by device drivers to initialize the trap group in the
1371 * underlying device.
1373 int (*trap_group_init)(struct devlink *devlink,
1374 const struct devlink_trap_group *group);
1376 * @trap_group_set: Trap group parameters set function.
1378 * Note: @policer can be NULL when a policer is being unbound from
1381 int (*trap_group_set)(struct devlink *devlink,
1382 const struct devlink_trap_group *group,
1383 const struct devlink_trap_policer *policer,
1384 struct netlink_ext_ack *extack);
1386 * @trap_group_action_set: Trap group action set function.
1388 * If this callback is populated, it will take precedence over looping
1389 * over all traps in a group and calling .trap_action_set().
1391 int (*trap_group_action_set)(struct devlink *devlink,
1392 const struct devlink_trap_group *group,
1393 enum devlink_trap_action action,
1394 struct netlink_ext_ack *extack);
1396 * @trap_drop_counter_get: Trap drop counter get function.
1398 * Should be used by device drivers to report number of packets
1399 * that have been dropped, and cannot be passed to the devlink
1400 * subsystem by the underlying device.
1402 int (*trap_drop_counter_get)(struct devlink *devlink,
1403 const struct devlink_trap *trap,
1406 * @trap_policer_init: Trap policer initialization function.
1408 * Should be used by device drivers to initialize the trap policer in
1409 * the underlying device.
1411 int (*trap_policer_init)(struct devlink *devlink,
1412 const struct devlink_trap_policer *policer);
1414 * @trap_policer_fini: Trap policer de-initialization function.
1416 * Should be used by device drivers to de-initialize the trap policer
1417 * in the underlying device.
1419 void (*trap_policer_fini)(struct devlink *devlink,
1420 const struct devlink_trap_policer *policer);
1422 * @trap_policer_set: Trap policer parameters set function.
1424 int (*trap_policer_set)(struct devlink *devlink,
1425 const struct devlink_trap_policer *policer,
1426 u64 rate, u64 burst,
1427 struct netlink_ext_ack *extack);
1429 * @trap_policer_counter_get: Trap policer counter get function.
1431 * Should be used by device drivers to report number of packets dropped
1434 int (*trap_policer_counter_get)(struct devlink *devlink,
1435 const struct devlink_trap_policer *policer,
1438 * port_new() - Add a new port function of a specified flavor
1439 * @devlink: Devlink instance
1440 * @attrs: attributes of the new port
1441 * @extack: extack for reporting error messages
1442 * @devlink_port: pointer to store new devlink port pointer
1444 * Devlink core will call this device driver function upon user request
1445 * to create a new port function of a specified flavor and optional
1449 * - On success, drivers must register a port with devlink core
1451 * Return: 0 on success, negative value otherwise.
1453 int (*port_new)(struct devlink *devlink,
1454 const struct devlink_port_new_attrs *attrs,
1455 struct netlink_ext_ack *extack,
1456 struct devlink_port **devlink_port);
1459 * Rate control callbacks.
1461 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1462 u64 tx_share, struct netlink_ext_ack *extack);
1463 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1464 u64 tx_max, struct netlink_ext_ack *extack);
1465 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1466 u32 tx_priority, struct netlink_ext_ack *extack);
1467 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1468 u32 tx_weight, struct netlink_ext_ack *extack);
1469 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1470 u64 tx_share, struct netlink_ext_ack *extack);
1471 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1472 u64 tx_max, struct netlink_ext_ack *extack);
1473 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1474 u32 tx_priority, struct netlink_ext_ack *extack);
1475 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1476 u32 tx_weight, struct netlink_ext_ack *extack);
1477 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1478 struct netlink_ext_ack *extack);
1479 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1480 struct netlink_ext_ack *extack);
1481 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1482 struct devlink_rate *parent,
1483 void *priv_child, void *priv_parent,
1484 struct netlink_ext_ack *extack);
1485 int (*rate_node_parent_set)(struct devlink_rate *child,
1486 struct devlink_rate *parent,
1487 void *priv_child, void *priv_parent,
1488 struct netlink_ext_ack *extack);
1490 * selftests_check() - queries if selftest is supported
1491 * @devlink: devlink instance
1493 * @extack: extack for reporting error messages
1495 * Return: true if test is supported by the driver
1497 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1498 struct netlink_ext_ack *extack);
1500 * selftest_run() - Runs a selftest
1501 * @devlink: devlink instance
1503 * @extack: extack for reporting error messages
1505 * Return: status of the test
1507 enum devlink_selftest_status
1508 (*selftest_run)(struct devlink *devlink, unsigned int id,
1509 struct netlink_ext_ack *extack);
1512 void *devlink_priv(struct devlink *devlink);
1513 struct devlink *priv_to_devlink(void *priv);
1514 struct device *devlink_to_dev(const struct devlink *devlink);
1516 /* Devlink instance explicit locking */
1517 void devl_lock(struct devlink *devlink);
1518 int devl_trylock(struct devlink *devlink);
1519 void devl_unlock(struct devlink *devlink);
1520 void devl_assert_locked(struct devlink *devlink);
1521 bool devl_lock_is_held(struct devlink *devlink);
1525 struct net *devlink_net(const struct devlink *devlink);
1526 /* This call is intended for software devices that can create
1527 * devlink instances in other namespaces than init_net.
1529 * Drivers that operate on real HW must use devlink_alloc() instead.
1531 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1532 size_t priv_size, struct net *net,
1533 struct device *dev);
1534 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1538 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1541 int devl_register(struct devlink *devlink);
1542 void devl_unregister(struct devlink *devlink);
1543 void devlink_register(struct devlink *devlink);
1544 void devlink_unregister(struct devlink *devlink);
1545 void devlink_free(struct devlink *devlink);
1548 * struct devlink_port_ops - Port operations
1549 * @port_split: Callback used to split the port into multiple ones.
1550 * @port_unsplit: Callback used to unsplit the port group back into
1552 * @port_type_set: Callback used to set a type of a port.
1553 * @port_del: Callback used to delete selected port along with related function.
1554 * Devlink core calls this upon user request to delete
1555 * a port previously created by devlink_ops->port_new().
1556 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1557 * Should be used by device drivers to report
1558 * the hardware address of a function managed
1559 * by the devlink port.
1560 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1561 * Should be used by device drivers to set the hardware
1562 * address of a function managed by the devlink port.
1563 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1564 * Should be used by device drivers to report
1565 * the current state of RoCE capability of a function
1566 * managed by the devlink port.
1567 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1568 * Should be used by device drivers to enable/disable
1569 * RoCE capability of a function managed
1570 * by the devlink port.
1571 * @port_fn_migratable_get: Callback used to get port function's migratable
1572 * capability. Should be used by device drivers
1573 * to report the current state of migratable capability
1574 * of a function managed by the devlink port.
1575 * @port_fn_migratable_set: Callback used to set port function's migratable
1576 * capability. Should be used by device drivers
1577 * to enable/disable migratable capability of
1578 * a function managed by the devlink port.
1579 * @port_fn_state_get: Callback used to get port function's state.
1580 * Should be used by device drivers to report
1581 * the current admin and operational state of a
1582 * function managed by the devlink port.
1583 * @port_fn_state_set: Callback used to get port function's state.
1584 * Should be used by device drivers set
1585 * the admin state of a function managed
1586 * by the devlink port.
1587 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
1588 * capability. Should be used by device drivers
1589 * to report the current state of ipsec_crypto
1590 * capability of a function managed by the devlink
1592 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
1593 * capability. Should be used by device drivers to
1594 * enable/disable ipsec_crypto capability of a
1595 * function managed by the devlink port.
1596 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
1597 * capability. Should be used by device drivers
1598 * to report the current state of ipsec_packet
1599 * capability of a function managed by the devlink
1601 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
1602 * capability. Should be used by device drivers to
1603 * enable/disable ipsec_packet capability of a
1604 * function managed by the devlink port.
1606 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1607 * port function (@port_fn_*) handling for a particular port.
1609 struct devlink_port_ops {
1610 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1611 unsigned int count, struct netlink_ext_ack *extack);
1612 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1613 struct netlink_ext_ack *extack);
1614 int (*port_type_set)(struct devlink_port *devlink_port,
1615 enum devlink_port_type port_type);
1616 int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1617 struct netlink_ext_ack *extack);
1618 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1620 struct netlink_ext_ack *extack);
1621 int (*port_fn_hw_addr_set)(struct devlink_port *port,
1622 const u8 *hw_addr, int hw_addr_len,
1623 struct netlink_ext_ack *extack);
1624 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1626 struct netlink_ext_ack *extack);
1627 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1628 bool enable, struct netlink_ext_ack *extack);
1629 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1631 struct netlink_ext_ack *extack);
1632 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1634 struct netlink_ext_ack *extack);
1635 int (*port_fn_state_get)(struct devlink_port *port,
1636 enum devlink_port_fn_state *state,
1637 enum devlink_port_fn_opstate *opstate,
1638 struct netlink_ext_ack *extack);
1639 int (*port_fn_state_set)(struct devlink_port *port,
1640 enum devlink_port_fn_state state,
1641 struct netlink_ext_ack *extack);
1642 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
1644 struct netlink_ext_ack *extack);
1645 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
1647 struct netlink_ext_ack *extack);
1648 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
1650 struct netlink_ext_ack *extack);
1651 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
1653 struct netlink_ext_ack *extack);
1656 void devlink_port_init(struct devlink *devlink,
1657 struct devlink_port *devlink_port);
1658 void devlink_port_fini(struct devlink_port *devlink_port);
1660 int devl_port_register_with_ops(struct devlink *devlink,
1661 struct devlink_port *devlink_port,
1662 unsigned int port_index,
1663 const struct devlink_port_ops *ops);
1665 static inline int devl_port_register(struct devlink *devlink,
1666 struct devlink_port *devlink_port,
1667 unsigned int port_index)
1669 return devl_port_register_with_ops(devlink, devlink_port,
1673 int devlink_port_register_with_ops(struct devlink *devlink,
1674 struct devlink_port *devlink_port,
1675 unsigned int port_index,
1676 const struct devlink_port_ops *ops);
1678 static inline int devlink_port_register(struct devlink *devlink,
1679 struct devlink_port *devlink_port,
1680 unsigned int port_index)
1682 return devlink_port_register_with_ops(devlink, devlink_port,
1686 void devl_port_unregister(struct devlink_port *devlink_port);
1687 void devlink_port_unregister(struct devlink_port *devlink_port);
1688 void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1689 void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1690 struct ib_device *ibdev);
1691 void devlink_port_type_clear(struct devlink_port *devlink_port);
1692 void devlink_port_attrs_set(struct devlink_port *devlink_port,
1693 struct devlink_port_attrs *devlink_port_attrs);
1694 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1695 u16 pf, bool external);
1696 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1697 u16 pf, u16 vf, bool external);
1698 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1699 u32 controller, u16 pf, u32 sf,
1701 int devl_port_fn_devlink_set(struct devlink_port *devlink_port,
1702 struct devlink *fn_devlink);
1703 struct devlink_rate *
1704 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1705 struct devlink_rate *parent);
1707 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1708 struct devlink_rate *parent);
1709 void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1710 void devl_rate_nodes_destroy(struct devlink *devlink);
1711 void devlink_port_linecard_set(struct devlink_port *devlink_port,
1712 struct devlink_linecard *linecard);
1713 struct devlink_linecard *
1714 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1715 const struct devlink_linecard_ops *ops, void *priv);
1716 void devl_linecard_destroy(struct devlink_linecard *linecard);
1717 void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1719 void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1720 void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1721 void devlink_linecard_activate(struct devlink_linecard *linecard);
1722 void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1723 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1724 struct devlink *nested_devlink);
1725 int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1726 u32 size, u16 ingress_pools_count,
1727 u16 egress_pools_count, u16 ingress_tc_count,
1728 u16 egress_tc_count);
1729 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1730 u32 size, u16 ingress_pools_count,
1731 u16 egress_pools_count, u16 ingress_tc_count,
1732 u16 egress_tc_count);
1733 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1734 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1735 int devl_dpipe_table_register(struct devlink *devlink,
1736 const char *table_name,
1737 struct devlink_dpipe_table_ops *table_ops,
1738 void *priv, bool counter_control_extern);
1739 void devl_dpipe_table_unregister(struct devlink *devlink,
1740 const char *table_name);
1741 void devl_dpipe_headers_register(struct devlink *devlink,
1742 struct devlink_dpipe_headers *dpipe_headers);
1743 void devl_dpipe_headers_unregister(struct devlink *devlink);
1744 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1745 const char *table_name);
1746 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1747 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1748 struct devlink_dpipe_entry *entry);
1749 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1750 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1751 int devlink_dpipe_action_put(struct sk_buff *skb,
1752 struct devlink_dpipe_action *action);
1753 int devlink_dpipe_match_put(struct sk_buff *skb,
1754 struct devlink_dpipe_match *match);
1755 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1756 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1757 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1759 int devl_resource_register(struct devlink *devlink,
1760 const char *resource_name,
1763 u64 parent_resource_id,
1764 const struct devlink_resource_size_params *size_params);
1765 int devlink_resource_register(struct devlink *devlink,
1766 const char *resource_name,
1769 u64 parent_resource_id,
1770 const struct devlink_resource_size_params *size_params);
1771 void devl_resources_unregister(struct devlink *devlink);
1772 void devlink_resources_unregister(struct devlink *devlink);
1773 int devl_resource_size_get(struct devlink *devlink,
1775 u64 *p_resource_size);
1776 int devl_dpipe_table_resource_set(struct devlink *devlink,
1777 const char *table_name, u64 resource_id,
1778 u64 resource_units);
1779 void devl_resource_occ_get_register(struct devlink *devlink,
1781 devlink_resource_occ_get_t *occ_get,
1782 void *occ_get_priv);
1783 void devlink_resource_occ_get_register(struct devlink *devlink,
1785 devlink_resource_occ_get_t *occ_get,
1786 void *occ_get_priv);
1787 void devl_resource_occ_get_unregister(struct devlink *devlink,
1790 void devlink_resource_occ_get_unregister(struct devlink *devlink,
1792 int devl_params_register(struct devlink *devlink,
1793 const struct devlink_param *params,
1794 size_t params_count);
1795 int devlink_params_register(struct devlink *devlink,
1796 const struct devlink_param *params,
1797 size_t params_count);
1798 void devl_params_unregister(struct devlink *devlink,
1799 const struct devlink_param *params,
1800 size_t params_count);
1801 void devlink_params_unregister(struct devlink *devlink,
1802 const struct devlink_param *params,
1803 size_t params_count);
1804 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1805 union devlink_param_value *val);
1806 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1807 union devlink_param_value init_val);
1808 void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1809 struct devlink_region *devl_region_create(struct devlink *devlink,
1810 const struct devlink_region_ops *ops,
1811 u32 region_max_snapshots,
1813 struct devlink_region *
1814 devlink_region_create(struct devlink *devlink,
1815 const struct devlink_region_ops *ops,
1816 u32 region_max_snapshots, u64 region_size);
1817 struct devlink_region *
1818 devlink_port_region_create(struct devlink_port *port,
1819 const struct devlink_port_region_ops *ops,
1820 u32 region_max_snapshots, u64 region_size);
1821 void devl_region_destroy(struct devlink_region *region);
1822 void devlink_region_destroy(struct devlink_region *region);
1823 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1824 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1825 int devlink_region_snapshot_create(struct devlink_region *region,
1826 u8 *data, u32 snapshot_id);
1827 int devlink_info_serial_number_put(struct devlink_info_req *req,
1829 int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1832 enum devlink_info_version_type {
1833 DEVLINK_INFO_VERSION_TYPE_NONE,
1834 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1835 * component by name.
1839 int devlink_info_version_fixed_put(struct devlink_info_req *req,
1840 const char *version_name,
1841 const char *version_value);
1842 int devlink_info_version_stored_put(struct devlink_info_req *req,
1843 const char *version_name,
1844 const char *version_value);
1845 int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1846 const char *version_name,
1847 const char *version_value,
1848 enum devlink_info_version_type version_type);
1849 int devlink_info_version_running_put(struct devlink_info_req *req,
1850 const char *version_name,
1851 const char *version_value);
1852 int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1853 const char *version_name,
1854 const char *version_value,
1855 enum devlink_info_version_type version_type);
1857 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1858 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1860 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1861 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1863 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1865 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1866 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1868 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1870 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1871 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1872 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1875 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1877 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1879 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1881 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1883 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1885 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1886 const void *value, u32 value_len);
1888 struct devlink_health_reporter *
1889 devl_port_health_reporter_create(struct devlink_port *port,
1890 const struct devlink_health_reporter_ops *ops,
1891 u64 graceful_period, void *priv);
1893 struct devlink_health_reporter *
1894 devlink_port_health_reporter_create(struct devlink_port *port,
1895 const struct devlink_health_reporter_ops *ops,
1896 u64 graceful_period, void *priv);
1898 struct devlink_health_reporter *
1899 devl_health_reporter_create(struct devlink *devlink,
1900 const struct devlink_health_reporter_ops *ops,
1901 u64 graceful_period, void *priv);
1903 struct devlink_health_reporter *
1904 devlink_health_reporter_create(struct devlink *devlink,
1905 const struct devlink_health_reporter_ops *ops,
1906 u64 graceful_period, void *priv);
1909 devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
1912 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1915 devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1916 int devlink_health_report(struct devlink_health_reporter *reporter,
1917 const char *msg, void *priv_ctx);
1919 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1920 enum devlink_health_reporter_state state);
1922 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1924 int devl_nested_devlink_set(struct devlink *devlink,
1925 struct devlink *nested_devlink);
1926 bool devlink_is_reload_failed(const struct devlink *devlink);
1927 void devlink_remote_reload_actions_performed(struct devlink *devlink,
1928 enum devlink_reload_limit limit,
1929 u32 actions_performed);
1931 void devlink_flash_update_status_notify(struct devlink *devlink,
1932 const char *status_msg,
1933 const char *component,
1935 unsigned long total);
1936 void devlink_flash_update_timeout_notify(struct devlink *devlink,
1937 const char *status_msg,
1938 const char *component,
1939 unsigned long timeout);
1941 int devl_traps_register(struct devlink *devlink,
1942 const struct devlink_trap *traps,
1943 size_t traps_count, void *priv);
1944 int devlink_traps_register(struct devlink *devlink,
1945 const struct devlink_trap *traps,
1946 size_t traps_count, void *priv);
1947 void devl_traps_unregister(struct devlink *devlink,
1948 const struct devlink_trap *traps,
1949 size_t traps_count);
1950 void devlink_traps_unregister(struct devlink *devlink,
1951 const struct devlink_trap *traps,
1952 size_t traps_count);
1953 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1954 void *trap_ctx, struct devlink_port *in_devlink_port,
1955 const struct flow_action_cookie *fa_cookie);
1956 void *devlink_trap_ctx_priv(void *trap_ctx);
1957 int devl_trap_groups_register(struct devlink *devlink,
1958 const struct devlink_trap_group *groups,
1959 size_t groups_count);
1960 int devlink_trap_groups_register(struct devlink *devlink,
1961 const struct devlink_trap_group *groups,
1962 size_t groups_count);
1963 void devl_trap_groups_unregister(struct devlink *devlink,
1964 const struct devlink_trap_group *groups,
1965 size_t groups_count);
1966 void devlink_trap_groups_unregister(struct devlink *devlink,
1967 const struct devlink_trap_group *groups,
1968 size_t groups_count);
1970 devl_trap_policers_register(struct devlink *devlink,
1971 const struct devlink_trap_policer *policers,
1972 size_t policers_count);
1974 devl_trap_policers_unregister(struct devlink *devlink,
1975 const struct devlink_trap_policer *policers,
1976 size_t policers_count);
1978 #if IS_ENABLED(CONFIG_NET_DEVLINK)
1980 struct devlink *__must_check devlink_try_get(struct devlink *devlink);
1981 void devlink_put(struct devlink *devlink);
1983 void devlink_compat_running_version(struct devlink *devlink,
1984 char *buf, size_t len);
1985 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
1986 int devlink_compat_phys_port_name_get(struct net_device *dev,
1987 char *name, size_t len);
1988 int devlink_compat_switch_id_get(struct net_device *dev,
1989 struct netdev_phys_item_id *ppid);
1991 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
1992 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
1996 static inline struct devlink *devlink_try_get(struct devlink *devlink)
2001 static inline void devlink_put(struct devlink *devlink)
2006 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
2011 devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
2017 devlink_compat_phys_port_name_get(struct net_device *dev,
2018 char *name, size_t len)
2024 devlink_compat_switch_id_get(struct net_device *dev,
2025 struct netdev_phys_item_id *ppid)
2031 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
2036 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2043 #endif /* _NET_DEVLINK_H_ */