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.
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 function number for the devlink port instance
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 function number for the devlink port instance
51 * @vf: associated PCI VF number of a PF for the devlink port instance;
52 * VF number starts from 0 for the first PCI virtual function
53 * @external: when set, indicates if a port is for an external controller
55 struct devlink_port_pci_vf_attrs {
63 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
64 * @controller: Associated controller number
65 * @sf: associated SF number of a PF for the devlink port instance
66 * @pf: associated PCI function number for the devlink port instance
67 * @external: when set, indicates if a port is for an external controller
69 struct devlink_port_pci_sf_attrs {
77 * struct devlink_port_attrs - devlink port object
78 * @flavour: flavour of the port
79 * @split: indicates if this is split port
80 * @splittable: indicates if the port can be split.
81 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
82 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
83 * @phys: physical port attributes
84 * @pci_pf: PCI PF port attributes
85 * @pci_vf: PCI VF port attributes
86 * @pci_sf: PCI SF port attributes
88 struct devlink_port_attrs {
92 enum devlink_port_flavour flavour;
93 struct netdev_phys_item_id switch_id;
95 struct devlink_port_phys_attrs phys;
96 struct devlink_port_pci_pf_attrs pci_pf;
97 struct devlink_port_pci_vf_attrs pci_vf;
98 struct devlink_port_pci_sf_attrs pci_sf;
102 struct devlink_rate {
103 struct list_head list;
104 enum devlink_rate_type type;
105 struct devlink *devlink;
110 struct devlink_rate *parent;
112 struct devlink_port *devlink_port;
123 struct devlink_port {
124 struct list_head list;
125 struct list_head region_list;
126 struct devlink *devlink;
127 const struct devlink_port_ops *ops;
129 spinlock_t type_lock; /* Protects type and type_eth/ib
130 * structures consistency.
132 enum devlink_port_type type;
133 enum devlink_port_type desired_type;
136 struct net_device *netdev;
138 char ifname[IFNAMSIZ];
141 struct ib_device *ibdev;
144 struct devlink_port_attrs attrs;
149 struct delayed_work type_warn_dw;
150 struct list_head reporter_list;
152 struct devlink_rate *devlink_rate;
153 struct devlink_linecard *linecard;
157 struct devlink_port_new_attrs {
158 enum devlink_port_flavour flavour;
159 unsigned int port_index;
163 u8 port_index_valid:1,
169 * struct devlink_linecard_ops - Linecard operations
170 * @provision: callback to provision the linecard slot with certain
171 * type of linecard. As a result of this operation,
172 * driver is expected to eventually (could be after
173 * the function call returns) call one of:
174 * devlink_linecard_provision_set()
175 * devlink_linecard_provision_fail()
176 * @unprovision: callback to unprovision the linecard slot. As a result
177 * of this operation, driver is expected to eventually
178 * (could be after the function call returns) call
179 * devlink_linecard_provision_clear()
180 * devlink_linecard_provision_fail()
181 * @same_provision: callback to ask the driver if linecard is already
182 * provisioned in the same way user asks this linecard to be
184 * @types_count: callback to get number of supported types
185 * @types_get: callback to get next type in list
187 struct devlink_linecard_ops {
188 int (*provision)(struct devlink_linecard *linecard, void *priv,
189 const char *type, const void *type_priv,
190 struct netlink_ext_ack *extack);
191 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
192 struct netlink_ext_ack *extack);
193 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
194 const char *type, const void *type_priv);
195 unsigned int (*types_count)(struct devlink_linecard *linecard,
197 void (*types_get)(struct devlink_linecard *linecard,
198 void *priv, unsigned int index, const char **type,
199 const void **type_priv);
202 struct devlink_sb_pool_info {
203 enum devlink_sb_pool_type pool_type;
205 enum devlink_sb_threshold_type threshold_type;
210 * struct devlink_dpipe_field - dpipe field object
212 * @id: index inside the headers field array
213 * @bitwidth: bitwidth
214 * @mapping_type: mapping type
216 struct devlink_dpipe_field {
219 unsigned int bitwidth;
220 enum devlink_dpipe_field_mapping_type mapping_type;
224 * struct devlink_dpipe_header - dpipe header object
226 * @id: index, global/local determined by global bit
228 * @fields_count: number of fields
229 * @global: indicates if header is shared like most protocol header
232 struct devlink_dpipe_header {
235 struct devlink_dpipe_field *fields;
236 unsigned int fields_count;
241 * struct devlink_dpipe_match - represents match operation
242 * @type: type of match
243 * @header_index: header index (packets can have several headers of same
244 * type like in case of tunnels)
246 * @field_id: field index
248 struct devlink_dpipe_match {
249 enum devlink_dpipe_match_type type;
250 unsigned int header_index;
251 struct devlink_dpipe_header *header;
252 unsigned int field_id;
256 * struct devlink_dpipe_action - represents action operation
257 * @type: type of action
258 * @header_index: header index (packets can have several headers of same
259 * type like in case of tunnels)
261 * @field_id: field index
263 struct devlink_dpipe_action {
264 enum devlink_dpipe_action_type type;
265 unsigned int header_index;
266 struct devlink_dpipe_header *header;
267 unsigned int field_id;
271 * struct devlink_dpipe_value - represents value of match/action
274 * @mapping_value: in case the field has some mapping this value
275 * specified the mapping value
276 * @mapping_valid: specify if mapping value is valid
277 * @value_size: value size
281 struct devlink_dpipe_value {
283 struct devlink_dpipe_action *action;
284 struct devlink_dpipe_match *match;
286 unsigned int mapping_value;
288 unsigned int value_size;
294 * struct devlink_dpipe_entry - table entry object
295 * @index: index of the entry in the table
296 * @match_values: match values
297 * @match_values_count: count of matches tuples
298 * @action_values: actions values
299 * @action_values_count: count of actions values
300 * @counter: value of counter
301 * @counter_valid: Specify if value is valid from hardware
303 struct devlink_dpipe_entry {
305 struct devlink_dpipe_value *match_values;
306 unsigned int match_values_count;
307 struct devlink_dpipe_value *action_values;
308 unsigned int action_values_count;
314 * struct devlink_dpipe_dump_ctx - context provided to driver in order
317 * @cmd: devlink command
319 * @nest: top attribute
322 struct devlink_dpipe_dump_ctx {
323 struct genl_info *info;
324 enum devlink_command cmd;
330 struct devlink_dpipe_table_ops;
333 * struct devlink_dpipe_table - table object
336 * @counters_enabled: indicates if counters are active
337 * @counter_control_extern: indicates if counter control is in dpipe or
339 * @resource_valid: Indicate that the resource id is valid
340 * @resource_id: relative resource this table is related to
341 * @resource_units: number of resource's unit consumed per table's entry
342 * @table_ops: table operations
345 struct devlink_dpipe_table {
348 struct list_head list;
351 bool counters_enabled;
352 bool counter_control_extern;
356 const struct devlink_dpipe_table_ops *table_ops;
361 * struct devlink_dpipe_table_ops - dpipe_table ops
362 * @actions_dump: dumps all tables actions
363 * @matches_dump: dumps all tables matches
364 * @entries_dump: dumps all active entries in the table
365 * @counters_set_update: when changing the counter status hardware sync
366 * maybe needed to allocate/free counter related
368 * @size_get: get size
370 struct devlink_dpipe_table_ops {
371 int (*actions_dump)(void *priv, struct sk_buff *skb);
372 int (*matches_dump)(void *priv, struct sk_buff *skb);
373 int (*entries_dump)(void *priv, bool counters_enabled,
374 struct devlink_dpipe_dump_ctx *dump_ctx);
375 int (*counters_set_update)(void *priv, bool enable);
376 u64 (*size_get)(void *priv);
380 * struct devlink_dpipe_headers - dpipe headers
381 * @headers: header array can be shared (global bit) or driver specific
382 * @headers_count: count of headers
384 struct devlink_dpipe_headers {
385 struct devlink_dpipe_header **headers;
386 unsigned int headers_count;
390 * struct devlink_resource_size_params - resource's size parameters
391 * @size_min: minimum size which can be set
392 * @size_max: maximum size which can be set
393 * @size_granularity: size granularity
394 * @unit: resource's basic unit
396 struct devlink_resource_size_params {
399 u64 size_granularity;
400 enum devlink_resource_unit unit;
404 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
405 u64 size_min, u64 size_max,
406 u64 size_granularity,
407 enum devlink_resource_unit unit)
409 size_params->size_min = size_min;
410 size_params->size_max = size_max;
411 size_params->size_granularity = size_granularity;
412 size_params->unit = unit;
415 typedef u64 devlink_resource_occ_get_t(void *priv);
417 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0
419 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
421 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32
422 enum devlink_param_type {
423 DEVLINK_PARAM_TYPE_U8,
424 DEVLINK_PARAM_TYPE_U16,
425 DEVLINK_PARAM_TYPE_U32,
426 DEVLINK_PARAM_TYPE_STRING,
427 DEVLINK_PARAM_TYPE_BOOL,
430 union devlink_param_value {
434 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
438 struct devlink_param_gset_ctx {
439 union devlink_param_value val;
440 enum devlink_param_cmode cmode;
444 * struct devlink_flash_notify - devlink dev flash notify data
445 * @status_msg: current status string
446 * @component: firmware component being updated
447 * @done: amount of work completed of total amount
448 * @total: amount of work expected to be done
449 * @timeout: expected max timeout in seconds
451 * These are values to be given to userland to be displayed in order
452 * to show current activity in a firmware update process.
454 struct devlink_flash_notify {
455 const char *status_msg;
456 const char *component;
459 unsigned long timeout;
463 * struct devlink_param - devlink configuration parameter data
464 * @id: devlink parameter id number
465 * @name: name of the parameter
466 * @generic: indicates if the parameter is generic or driver specific
467 * @type: parameter type
468 * @supported_cmodes: bitmap of supported configuration modes
469 * @get: get parameter value, used for runtime and permanent
470 * configuration modes
471 * @set: set parameter value, used for runtime and permanent
472 * configuration modes
473 * @validate: validate input value is applicable (within value range, etc.)
475 * This struct should be used by the driver to fill the data for
476 * a parameter it registers.
478 struct devlink_param {
482 enum devlink_param_type type;
483 unsigned long supported_cmodes;
484 int (*get)(struct devlink *devlink, u32 id,
485 struct devlink_param_gset_ctx *ctx);
486 int (*set)(struct devlink *devlink, u32 id,
487 struct devlink_param_gset_ctx *ctx,
488 struct netlink_ext_ack *extack);
489 int (*validate)(struct devlink *devlink, u32 id,
490 union devlink_param_value val,
491 struct netlink_ext_ack *extack);
494 struct devlink_param_item {
495 struct list_head list;
496 const struct devlink_param *param;
497 union devlink_param_value driverinit_value;
498 bool driverinit_value_valid;
499 union devlink_param_value driverinit_value_new; /* Not reachable
502 bool driverinit_value_new_valid;
505 enum devlink_param_generic_id {
506 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
507 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
508 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
509 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
510 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
511 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
512 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
513 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
514 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
515 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
516 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
517 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
518 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
519 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
520 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
521 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
522 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
524 /* add new param generic ids above here*/
525 __DEVLINK_PARAM_GENERIC_ID_MAX,
526 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
529 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
530 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
532 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
533 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
535 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
536 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
538 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
539 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
541 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
542 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
544 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
545 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
547 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
548 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
550 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
551 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
553 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
554 "reset_dev_on_drv_probe"
555 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
557 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
558 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
560 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
561 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
563 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
564 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
566 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
567 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
569 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
570 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
572 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
573 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
575 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
576 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
578 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
579 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
581 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
583 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
584 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
585 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
587 .supported_cmodes = _cmodes, \
590 .validate = _validate, \
593 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
598 .supported_cmodes = _cmodes, \
601 .validate = _validate, \
604 /* Identifier of board design */
605 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
606 /* Revision of board design */
607 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
608 /* Maker of the board */
609 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
610 /* Part number of the board and its components */
611 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number"
613 /* Part number, identifier of asic design */
614 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
615 /* Revision of asic design */
616 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
618 /* Overall FW version */
619 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
620 /* Control processor FW version */
621 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
622 /* FW interface specification version */
623 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
624 /* Data path microcode controlling high-speed packet processing */
625 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
626 /* UNDI software version */
627 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
628 /* NCSI support/handler version */
629 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
630 /* FW parameter set id */
631 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
632 /* RoCE FW version */
633 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
634 /* Firmware bundle identifier */
635 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
637 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
640 * struct devlink_flash_update_params - Flash Update parameters
641 * @fw: pointer to the firmware data to update from
642 * @component: the flash component to update
643 * @overwrite_mask: which types of flash update are supported (may be %0)
645 * With the exception of fw, drivers must opt-in to parameters by
646 * setting the appropriate bit in the supported_flash_update_params field in
647 * their devlink_ops structure.
649 struct devlink_flash_update_params {
650 const struct firmware *fw;
651 const char *component;
655 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
657 struct devlink_region;
658 struct devlink_info_req;
661 * struct devlink_region_ops - Region operations
663 * @destructor: callback used to free snapshot memory when deleting
664 * @snapshot: callback to request an immediate snapshot. On success,
665 * the data variable must be updated to point to the snapshot data.
666 * The function will be called while the devlink instance lock is
668 * @read: callback to directly read a portion of the region. On success,
669 * the data pointer will be updated with the contents of the
670 * requested portion of the region. The function will be called
671 * while the devlink instance lock is held.
672 * @priv: Pointer to driver private data for the region operation
674 struct devlink_region_ops {
676 void (*destructor)(const void *data);
677 int (*snapshot)(struct devlink *devlink,
678 const struct devlink_region_ops *ops,
679 struct netlink_ext_ack *extack,
681 int (*read)(struct devlink *devlink,
682 const struct devlink_region_ops *ops,
683 struct netlink_ext_ack *extack,
684 u64 offset, u32 size, u8 *data);
689 * struct devlink_port_region_ops - Region operations for a port
691 * @destructor: callback used to free snapshot memory when deleting
692 * @snapshot: callback to request an immediate snapshot. On success,
693 * the data variable must be updated to point to the snapshot data.
694 * The function will be called while the devlink instance lock is
696 * @read: callback to directly read a portion of the region. On success,
697 * the data pointer will be updated with the contents of the
698 * requested portion of the region. The function will be called
699 * while the devlink instance lock is held.
700 * @priv: Pointer to driver private data for the region operation
702 struct devlink_port_region_ops {
704 void (*destructor)(const void *data);
705 int (*snapshot)(struct devlink_port *port,
706 const struct devlink_port_region_ops *ops,
707 struct netlink_ext_ack *extack,
709 int (*read)(struct devlink_port *port,
710 const struct devlink_port_region_ops *ops,
711 struct netlink_ext_ack *extack,
712 u64 offset, u32 size, u8 *data);
717 struct devlink_health_reporter;
719 enum devlink_health_reporter_state {
720 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
721 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
725 * struct devlink_health_reporter_ops - Reporter operations
726 * @name: reporter name
727 * @recover: callback to recover from reported error
728 * if priv_ctx is NULL, run a full recover
729 * @dump: callback to dump an object
730 * if priv_ctx is NULL, run a full dump
731 * @diagnose: callback to diagnose the current status
732 * @test: callback to trigger a test event
735 struct devlink_health_reporter_ops {
737 int (*recover)(struct devlink_health_reporter *reporter,
738 void *priv_ctx, struct netlink_ext_ack *extack);
739 int (*dump)(struct devlink_health_reporter *reporter,
740 struct devlink_fmsg *fmsg, void *priv_ctx,
741 struct netlink_ext_ack *extack);
742 int (*diagnose)(struct devlink_health_reporter *reporter,
743 struct devlink_fmsg *fmsg,
744 struct netlink_ext_ack *extack);
745 int (*test)(struct devlink_health_reporter *reporter,
746 struct netlink_ext_ack *extack);
750 * struct devlink_trap_metadata - Packet trap metadata.
751 * @trap_name: Trap name.
752 * @trap_group_name: Trap group name.
753 * @input_dev: Input netdevice.
754 * @dev_tracker: refcount tracker for @input_dev.
755 * @fa_cookie: Flow action user cookie.
756 * @trap_type: Trap type.
758 struct devlink_trap_metadata {
759 const char *trap_name;
760 const char *trap_group_name;
762 struct net_device *input_dev;
763 netdevice_tracker dev_tracker;
765 const struct flow_action_cookie *fa_cookie;
766 enum devlink_trap_type trap_type;
770 * struct devlink_trap_policer - Immutable packet trap policer attributes.
771 * @id: Policer identifier.
772 * @init_rate: Initial rate in packets / sec.
773 * @init_burst: Initial burst size in packets.
774 * @max_rate: Maximum rate.
775 * @min_rate: Minimum rate.
776 * @max_burst: Maximum burst size.
777 * @min_burst: Minimum burst size.
779 * Describes immutable attributes of packet trap policers that drivers register
782 struct devlink_trap_policer {
793 * struct devlink_trap_group - Immutable packet trap group attributes.
794 * @name: Trap group name.
795 * @id: Trap group identifier.
796 * @generic: Whether the trap group is generic or not.
797 * @init_policer_id: Initial policer identifier.
799 * Describes immutable attributes of packet trap groups that drivers register
802 struct devlink_trap_group {
809 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
810 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
813 * struct devlink_trap - Immutable packet trap attributes.
815 * @init_action: Initial trap action.
816 * @generic: Whether the trap is generic or not.
817 * @id: Trap identifier.
819 * @init_group_id: Initial group identifier.
820 * @metadata_cap: Metadata types that can be provided by the trap.
822 * Describes immutable attributes of packet traps that drivers register with
825 struct devlink_trap {
826 enum devlink_trap_type type;
827 enum devlink_trap_action init_action;
835 /* All traps must be documented in
836 * Documentation/networking/devlink/devlink-trap.rst
838 enum devlink_trap_generic_id {
839 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
840 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
841 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
842 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
843 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
844 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
845 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
846 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
847 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
848 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
849 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
850 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
851 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
852 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
853 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
854 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
855 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
856 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
857 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
858 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
859 DEVLINK_TRAP_GENERIC_ID_RPF,
860 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
861 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
862 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
863 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
864 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
865 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
866 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
867 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
868 DEVLINK_TRAP_GENERIC_ID_STP,
869 DEVLINK_TRAP_GENERIC_ID_LACP,
870 DEVLINK_TRAP_GENERIC_ID_LLDP,
871 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
872 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
873 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
874 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
875 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
876 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
877 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
878 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
879 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
880 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
881 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
882 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
883 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
884 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
885 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
886 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
887 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
888 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
889 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
890 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
891 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
892 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
893 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
894 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
895 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
896 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
897 DEVLINK_TRAP_GENERIC_ID_UC_LB,
898 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
899 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
900 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
901 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
902 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
903 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
904 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
905 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
906 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
907 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
908 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
909 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
910 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
911 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
912 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
913 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
914 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
915 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
916 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
917 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
918 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
919 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
920 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
921 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
922 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
923 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
924 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
925 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
926 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
927 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
928 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
929 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
930 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
931 DEVLINK_TRAP_GENERIC_ID_EAPOL,
932 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
934 /* Add new generic trap IDs above */
935 __DEVLINK_TRAP_GENERIC_ID_MAX,
936 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
939 /* All trap groups must be documented in
940 * Documentation/networking/devlink/devlink-trap.rst
942 enum devlink_trap_group_generic_id {
943 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
944 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
945 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
946 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
947 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
948 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
949 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
950 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
951 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
952 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
953 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
954 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
955 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
956 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
957 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
958 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
959 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
960 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
961 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
962 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
963 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
964 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
965 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
966 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
967 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
968 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
969 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
971 /* Add new generic trap group IDs above */
972 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
973 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
974 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
977 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
978 "source_mac_is_multicast"
979 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
981 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
982 "ingress_vlan_filter"
983 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
984 "ingress_spanning_tree_filter"
985 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
987 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
988 "port_loopback_filter"
989 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
991 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
992 "ttl_value_is_too_small"
993 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
995 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
997 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
998 "uc_dip_over_mc_dmac"
999 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
1000 "dip_is_loopback_address"
1001 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
1003 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
1004 "sip_is_loopback_address"
1005 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
1006 "ip_header_corrupted"
1007 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
1008 "ipv4_sip_is_limited_bc"
1009 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1010 "ipv6_mc_dip_reserved_scope"
1011 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1012 "ipv6_mc_dip_interface_local_scope"
1013 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1014 "mtu_value_is_too_small"
1015 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1017 #define DEVLINK_TRAP_GENERIC_NAME_RPF \
1018 "mc_reverse_path_forwarding"
1019 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1021 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1023 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1025 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1026 "non_routable_packet"
1027 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1029 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1030 "overlay_smac_is_mc"
1031 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1032 "ingress_flow_action_drop"
1033 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1034 "egress_flow_action_drop"
1035 #define DEVLINK_TRAP_GENERIC_NAME_STP \
1037 #define DEVLINK_TRAP_GENERIC_NAME_LACP \
1039 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1041 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1043 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1045 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1047 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1049 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1051 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1053 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1055 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1057 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1059 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1061 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1063 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1065 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1067 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1070 "ipv6_neigh_solicit"
1071 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1073 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1075 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1079 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1081 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1083 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1085 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1087 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1089 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1091 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1093 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1095 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1097 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1100 "ipv6_uc_dip_link_local_scope"
1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1102 "ipv6_dip_all_nodes"
1103 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1104 "ipv6_dip_all_routers"
1105 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1106 "ipv6_router_solicit"
1107 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1108 "ipv6_router_advert"
1109 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1111 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1113 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1115 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1117 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1119 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1120 "flow_action_sample"
1121 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1123 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1125 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1127 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1129 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1131 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1133 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1135 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1137 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1139 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1141 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1143 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1145 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1147 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1149 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1151 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1153 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1155 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1157 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1159 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1161 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1163 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1168 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1170 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1172 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1178 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1180 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1182 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1184 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1186 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1188 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1190 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1192 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1194 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1196 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1198 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1200 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1202 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1204 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1206 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1208 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1210 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1212 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1214 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1216 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1217 "parser_error_drops"
1218 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1221 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1224 .type = DEVLINK_TRAP_TYPE_##_type, \
1225 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1227 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1228 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1229 .init_group_id = _group_id, \
1230 .metadata_cap = _metadata_cap, \
1233 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1236 .type = DEVLINK_TRAP_TYPE_##_type, \
1237 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1241 .init_group_id = _group_id, \
1242 .metadata_cap = _metadata_cap, \
1245 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1247 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1248 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1250 .init_policer_id = _policer_id, \
1253 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1254 _max_burst, _min_burst) \
1257 .init_rate = _rate, \
1258 .init_burst = _burst, \
1259 .max_rate = _max_rate, \
1260 .min_rate = _min_rate, \
1261 .max_burst = _max_burst, \
1262 .min_burst = _min_burst, \
1265 #define devlink_fmsg_put(fmsg, name, value) ( \
1267 bool : devlink_fmsg_bool_pair_put, \
1268 u8 : devlink_fmsg_u8_pair_put, \
1269 u16 : devlink_fmsg_u32_pair_put, \
1270 u32 : devlink_fmsg_u32_pair_put, \
1271 u64 : devlink_fmsg_u64_pair_put, \
1272 int : devlink_fmsg_u32_pair_put, \
1273 char * : devlink_fmsg_string_pair_put, \
1274 const char * : devlink_fmsg_string_pair_put) \
1275 (fmsg, name, (value)))
1278 /* device supports reload operations */
1279 DEVLINK_F_RELOAD = 1UL << 0,
1282 struct devlink_ops {
1284 * @supported_flash_update_params:
1285 * mask of parameters supported by the driver's .flash_update
1288 u32 supported_flash_update_params;
1289 unsigned long reload_actions;
1290 unsigned long reload_limits;
1291 int (*reload_down)(struct devlink *devlink, bool netns_change,
1292 enum devlink_reload_action action,
1293 enum devlink_reload_limit limit,
1294 struct netlink_ext_ack *extack);
1295 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1296 enum devlink_reload_limit limit, u32 *actions_performed,
1297 struct netlink_ext_ack *extack);
1298 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1300 struct devlink_sb_pool_info *pool_info);
1301 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1302 u16 pool_index, u32 size,
1303 enum devlink_sb_threshold_type threshold_type,
1304 struct netlink_ext_ack *extack);
1305 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1306 unsigned int sb_index, u16 pool_index,
1308 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1309 unsigned int sb_index, u16 pool_index,
1310 u32 threshold, struct netlink_ext_ack *extack);
1311 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1312 unsigned int sb_index,
1314 enum devlink_sb_pool_type pool_type,
1315 u16 *p_pool_index, u32 *p_threshold);
1316 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1317 unsigned int sb_index,
1319 enum devlink_sb_pool_type pool_type,
1320 u16 pool_index, u32 threshold,
1321 struct netlink_ext_ack *extack);
1322 int (*sb_occ_snapshot)(struct devlink *devlink,
1323 unsigned int sb_index);
1324 int (*sb_occ_max_clear)(struct devlink *devlink,
1325 unsigned int sb_index);
1326 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1327 unsigned int sb_index, u16 pool_index,
1328 u32 *p_cur, u32 *p_max);
1329 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1330 unsigned int sb_index,
1332 enum devlink_sb_pool_type pool_type,
1333 u32 *p_cur, u32 *p_max);
1335 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1336 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1337 struct netlink_ext_ack *extack);
1338 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1339 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1340 struct netlink_ext_ack *extack);
1341 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1342 enum devlink_eswitch_encap_mode *p_encap_mode);
1343 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1344 enum devlink_eswitch_encap_mode encap_mode,
1345 struct netlink_ext_ack *extack);
1346 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1347 struct netlink_ext_ack *extack);
1349 * @flash_update: Device flash update function
1351 * Used to perform a flash update for the device. The set of
1352 * parameters supported by the driver should be set in
1353 * supported_flash_update_params.
1355 int (*flash_update)(struct devlink *devlink,
1356 struct devlink_flash_update_params *params,
1357 struct netlink_ext_ack *extack);
1359 * @trap_init: Trap initialization function.
1361 * Should be used by device drivers to initialize the trap in the
1362 * underlying device. Drivers should also store the provided trap
1363 * context, so that they could efficiently pass it to
1364 * devlink_trap_report() when the trap is triggered.
1366 int (*trap_init)(struct devlink *devlink,
1367 const struct devlink_trap *trap, void *trap_ctx);
1369 * @trap_fini: Trap de-initialization function.
1371 * Should be used by device drivers to de-initialize the trap in the
1372 * underlying device.
1374 void (*trap_fini)(struct devlink *devlink,
1375 const struct devlink_trap *trap, void *trap_ctx);
1377 * @trap_action_set: Trap action set function.
1379 int (*trap_action_set)(struct devlink *devlink,
1380 const struct devlink_trap *trap,
1381 enum devlink_trap_action action,
1382 struct netlink_ext_ack *extack);
1384 * @trap_group_init: Trap group initialization function.
1386 * Should be used by device drivers to initialize the trap group in the
1387 * underlying device.
1389 int (*trap_group_init)(struct devlink *devlink,
1390 const struct devlink_trap_group *group);
1392 * @trap_group_set: Trap group parameters set function.
1394 * Note: @policer can be NULL when a policer is being unbound from
1397 int (*trap_group_set)(struct devlink *devlink,
1398 const struct devlink_trap_group *group,
1399 const struct devlink_trap_policer *policer,
1400 struct netlink_ext_ack *extack);
1402 * @trap_group_action_set: Trap group action set function.
1404 * If this callback is populated, it will take precedence over looping
1405 * over all traps in a group and calling .trap_action_set().
1407 int (*trap_group_action_set)(struct devlink *devlink,
1408 const struct devlink_trap_group *group,
1409 enum devlink_trap_action action,
1410 struct netlink_ext_ack *extack);
1412 * @trap_drop_counter_get: Trap drop counter get function.
1414 * Should be used by device drivers to report number of packets
1415 * that have been dropped, and cannot be passed to the devlink
1416 * subsystem by the underlying device.
1418 int (*trap_drop_counter_get)(struct devlink *devlink,
1419 const struct devlink_trap *trap,
1422 * @trap_policer_init: Trap policer initialization function.
1424 * Should be used by device drivers to initialize the trap policer in
1425 * the underlying device.
1427 int (*trap_policer_init)(struct devlink *devlink,
1428 const struct devlink_trap_policer *policer);
1430 * @trap_policer_fini: Trap policer de-initialization function.
1432 * Should be used by device drivers to de-initialize the trap policer
1433 * in the underlying device.
1435 void (*trap_policer_fini)(struct devlink *devlink,
1436 const struct devlink_trap_policer *policer);
1438 * @trap_policer_set: Trap policer parameters set function.
1440 int (*trap_policer_set)(struct devlink *devlink,
1441 const struct devlink_trap_policer *policer,
1442 u64 rate, u64 burst,
1443 struct netlink_ext_ack *extack);
1445 * @trap_policer_counter_get: Trap policer counter get function.
1447 * Should be used by device drivers to report number of packets dropped
1450 int (*trap_policer_counter_get)(struct devlink *devlink,
1451 const struct devlink_trap_policer *policer,
1454 * port_new() - Add a new port function of a specified flavor
1455 * @devlink: Devlink instance
1456 * @attrs: attributes of the new port
1457 * @extack: extack for reporting error messages
1458 * @devlink_port: pointer to store new devlink port pointer
1460 * Devlink core will call this device driver function upon user request
1461 * to create a new port function of a specified flavor and optional
1465 * - On success, drivers must register a port with devlink core
1467 * Return: 0 on success, negative value otherwise.
1469 int (*port_new)(struct devlink *devlink,
1470 const struct devlink_port_new_attrs *attrs,
1471 struct netlink_ext_ack *extack,
1472 struct devlink_port **devlink_port);
1475 * Rate control callbacks.
1477 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1478 u64 tx_share, struct netlink_ext_ack *extack);
1479 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1480 u64 tx_max, struct netlink_ext_ack *extack);
1481 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1482 u32 tx_priority, struct netlink_ext_ack *extack);
1483 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1484 u32 tx_weight, struct netlink_ext_ack *extack);
1485 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1486 u64 tx_share, struct netlink_ext_ack *extack);
1487 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1488 u64 tx_max, struct netlink_ext_ack *extack);
1489 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1490 u32 tx_priority, struct netlink_ext_ack *extack);
1491 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1492 u32 tx_weight, struct netlink_ext_ack *extack);
1493 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1494 struct netlink_ext_ack *extack);
1495 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1496 struct netlink_ext_ack *extack);
1497 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1498 struct devlink_rate *parent,
1499 void *priv_child, void *priv_parent,
1500 struct netlink_ext_ack *extack);
1501 int (*rate_node_parent_set)(struct devlink_rate *child,
1502 struct devlink_rate *parent,
1503 void *priv_child, void *priv_parent,
1504 struct netlink_ext_ack *extack);
1506 * selftests_check() - queries if selftest is supported
1507 * @devlink: devlink instance
1509 * @extack: extack for reporting error messages
1511 * Return: true if test is supported by the driver
1513 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1514 struct netlink_ext_ack *extack);
1516 * selftest_run() - Runs a selftest
1517 * @devlink: devlink instance
1519 * @extack: extack for reporting error messages
1521 * Return: status of the test
1523 enum devlink_selftest_status
1524 (*selftest_run)(struct devlink *devlink, unsigned int id,
1525 struct netlink_ext_ack *extack);
1528 void *devlink_priv(struct devlink *devlink);
1529 struct devlink *priv_to_devlink(void *priv);
1530 struct device *devlink_to_dev(const struct devlink *devlink);
1532 /* Devlink instance explicit locking */
1533 void devl_lock(struct devlink *devlink);
1534 int devl_trylock(struct devlink *devlink);
1535 void devl_unlock(struct devlink *devlink);
1536 void devl_assert_locked(struct devlink *devlink);
1537 bool devl_lock_is_held(struct devlink *devlink);
1538 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T));
1542 struct net *devlink_net(const struct devlink *devlink);
1543 /* This call is intended for software devices that can create
1544 * devlink instances in other namespaces than init_net.
1546 * Drivers that operate on real HW must use devlink_alloc() instead.
1548 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1549 size_t priv_size, struct net *net,
1550 struct device *dev);
1551 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1555 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1558 int devl_register(struct devlink *devlink);
1559 void devl_unregister(struct devlink *devlink);
1560 void devlink_register(struct devlink *devlink);
1561 void devlink_unregister(struct devlink *devlink);
1562 void devlink_free(struct devlink *devlink);
1565 * struct devlink_port_ops - Port operations
1566 * @port_split: Callback used to split the port into multiple ones.
1567 * @port_unsplit: Callback used to unsplit the port group back into
1569 * @port_type_set: Callback used to set a type of a port.
1570 * @port_del: Callback used to delete selected port along with related function.
1571 * Devlink core calls this upon user request to delete
1572 * a port previously created by devlink_ops->port_new().
1573 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1574 * Should be used by device drivers to report
1575 * the hardware address of a function managed
1576 * by the devlink port.
1577 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1578 * Should be used by device drivers to set the hardware
1579 * address of a function managed by the devlink port.
1580 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1581 * Should be used by device drivers to report
1582 * the current state of RoCE capability of a function
1583 * managed by the devlink port.
1584 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1585 * Should be used by device drivers to enable/disable
1586 * RoCE capability of a function managed
1587 * by the devlink port.
1588 * @port_fn_migratable_get: Callback used to get port function's migratable
1589 * capability. Should be used by device drivers
1590 * to report the current state of migratable capability
1591 * of a function managed by the devlink port.
1592 * @port_fn_migratable_set: Callback used to set port function's migratable
1593 * capability. Should be used by device drivers
1594 * to enable/disable migratable capability of
1595 * a function managed by the devlink port.
1596 * @port_fn_state_get: Callback used to get port function's state.
1597 * Should be used by device drivers to report
1598 * the current admin and operational state of a
1599 * function managed by the devlink port.
1600 * @port_fn_state_set: Callback used to get port function's state.
1601 * Should be used by device drivers set
1602 * the admin state of a function managed
1603 * by the devlink port.
1604 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
1605 * capability. Should be used by device drivers
1606 * to report the current state of ipsec_crypto
1607 * capability of a function managed by the devlink
1609 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
1610 * capability. Should be used by device drivers to
1611 * enable/disable ipsec_crypto capability of a
1612 * function managed by the devlink port.
1613 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
1614 * capability. Should be used by device drivers
1615 * to report the current state of ipsec_packet
1616 * capability of a function managed by the devlink
1618 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
1619 * capability. Should be used by device drivers to
1620 * enable/disable ipsec_packet capability of a
1621 * function managed by the devlink port.
1622 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number
1623 * of event queues. Should be used by device drivers to
1624 * report the maximum event queues of a function
1625 * managed by the devlink port.
1626 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number
1627 * of event queues. Should be used by device drivers to
1628 * configure maximum number of event queues
1629 * of a function managed by the devlink port.
1631 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1632 * port function (@port_fn_*) handling for a particular port.
1634 struct devlink_port_ops {
1635 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1636 unsigned int count, struct netlink_ext_ack *extack);
1637 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1638 struct netlink_ext_ack *extack);
1639 int (*port_type_set)(struct devlink_port *devlink_port,
1640 enum devlink_port_type port_type);
1641 int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1642 struct netlink_ext_ack *extack);
1643 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1645 struct netlink_ext_ack *extack);
1646 int (*port_fn_hw_addr_set)(struct devlink_port *port,
1647 const u8 *hw_addr, int hw_addr_len,
1648 struct netlink_ext_ack *extack);
1649 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1651 struct netlink_ext_ack *extack);
1652 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1653 bool enable, struct netlink_ext_ack *extack);
1654 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1656 struct netlink_ext_ack *extack);
1657 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1659 struct netlink_ext_ack *extack);
1660 int (*port_fn_state_get)(struct devlink_port *port,
1661 enum devlink_port_fn_state *state,
1662 enum devlink_port_fn_opstate *opstate,
1663 struct netlink_ext_ack *extack);
1664 int (*port_fn_state_set)(struct devlink_port *port,
1665 enum devlink_port_fn_state state,
1666 struct netlink_ext_ack *extack);
1667 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
1669 struct netlink_ext_ack *extack);
1670 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
1672 struct netlink_ext_ack *extack);
1673 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
1675 struct netlink_ext_ack *extack);
1676 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
1678 struct netlink_ext_ack *extack);
1679 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port,
1681 struct netlink_ext_ack *extack);
1682 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port,
1684 struct netlink_ext_ack *extack);
1687 void devlink_port_init(struct devlink *devlink,
1688 struct devlink_port *devlink_port);
1689 void devlink_port_fini(struct devlink_port *devlink_port);
1691 int devl_port_register_with_ops(struct devlink *devlink,
1692 struct devlink_port *devlink_port,
1693 unsigned int port_index,
1694 const struct devlink_port_ops *ops);
1696 static inline int devl_port_register(struct devlink *devlink,
1697 struct devlink_port *devlink_port,
1698 unsigned int port_index)
1700 return devl_port_register_with_ops(devlink, devlink_port,
1704 int devlink_port_register_with_ops(struct devlink *devlink,
1705 struct devlink_port *devlink_port,
1706 unsigned int port_index,
1707 const struct devlink_port_ops *ops);
1709 static inline int devlink_port_register(struct devlink *devlink,
1710 struct devlink_port *devlink_port,
1711 unsigned int port_index)
1713 return devlink_port_register_with_ops(devlink, devlink_port,
1717 void devl_port_unregister(struct devlink_port *devlink_port);
1718 void devlink_port_unregister(struct devlink_port *devlink_port);
1719 void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1720 void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1721 struct ib_device *ibdev);
1722 void devlink_port_type_clear(struct devlink_port *devlink_port);
1723 void devlink_port_attrs_set(struct devlink_port *devlink_port,
1724 struct devlink_port_attrs *devlink_port_attrs);
1725 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1726 u16 pf, bool external);
1727 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1728 u16 pf, u16 vf, bool external);
1729 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1730 u32 controller, u16 pf, u32 sf,
1732 int devl_port_fn_devlink_set(struct devlink_port *devlink_port,
1733 struct devlink *fn_devlink);
1734 struct devlink_rate *
1735 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1736 struct devlink_rate *parent);
1738 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1739 struct devlink_rate *parent);
1740 void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1741 void devl_rate_nodes_destroy(struct devlink *devlink);
1742 void devlink_port_linecard_set(struct devlink_port *devlink_port,
1743 struct devlink_linecard *linecard);
1744 struct devlink_linecard *
1745 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1746 const struct devlink_linecard_ops *ops, void *priv);
1747 void devl_linecard_destroy(struct devlink_linecard *linecard);
1748 void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1750 void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1751 void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1752 void devlink_linecard_activate(struct devlink_linecard *linecard);
1753 void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1754 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1755 struct devlink *nested_devlink);
1756 int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1757 u32 size, u16 ingress_pools_count,
1758 u16 egress_pools_count, u16 ingress_tc_count,
1759 u16 egress_tc_count);
1760 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1761 u32 size, u16 ingress_pools_count,
1762 u16 egress_pools_count, u16 ingress_tc_count,
1763 u16 egress_tc_count);
1764 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1765 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1766 int devl_dpipe_table_register(struct devlink *devlink,
1767 const char *table_name,
1768 const struct devlink_dpipe_table_ops *table_ops,
1769 void *priv, bool counter_control_extern);
1770 void devl_dpipe_table_unregister(struct devlink *devlink,
1771 const char *table_name);
1772 void devl_dpipe_headers_register(struct devlink *devlink,
1773 struct devlink_dpipe_headers *dpipe_headers);
1774 void devl_dpipe_headers_unregister(struct devlink *devlink);
1775 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1776 const char *table_name);
1777 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1778 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1779 struct devlink_dpipe_entry *entry);
1780 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1781 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1782 int devlink_dpipe_action_put(struct sk_buff *skb,
1783 struct devlink_dpipe_action *action);
1784 int devlink_dpipe_match_put(struct sk_buff *skb,
1785 struct devlink_dpipe_match *match);
1786 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1787 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1788 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1790 int devl_resource_register(struct devlink *devlink,
1791 const char *resource_name,
1794 u64 parent_resource_id,
1795 const struct devlink_resource_size_params *size_params);
1796 void devl_resources_unregister(struct devlink *devlink);
1797 void devlink_resources_unregister(struct devlink *devlink);
1798 int devl_resource_size_get(struct devlink *devlink,
1800 u64 *p_resource_size);
1801 int devl_dpipe_table_resource_set(struct devlink *devlink,
1802 const char *table_name, u64 resource_id,
1803 u64 resource_units);
1804 void devl_resource_occ_get_register(struct devlink *devlink,
1806 devlink_resource_occ_get_t *occ_get,
1807 void *occ_get_priv);
1808 void devl_resource_occ_get_unregister(struct devlink *devlink,
1810 int devl_params_register(struct devlink *devlink,
1811 const struct devlink_param *params,
1812 size_t params_count);
1813 int devlink_params_register(struct devlink *devlink,
1814 const struct devlink_param *params,
1815 size_t params_count);
1816 void devl_params_unregister(struct devlink *devlink,
1817 const struct devlink_param *params,
1818 size_t params_count);
1819 void devlink_params_unregister(struct devlink *devlink,
1820 const struct devlink_param *params,
1821 size_t params_count);
1822 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1823 union devlink_param_value *val);
1824 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1825 union devlink_param_value init_val);
1826 void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1827 struct devlink_region *devl_region_create(struct devlink *devlink,
1828 const struct devlink_region_ops *ops,
1829 u32 region_max_snapshots,
1831 struct devlink_region *
1832 devlink_region_create(struct devlink *devlink,
1833 const struct devlink_region_ops *ops,
1834 u32 region_max_snapshots, u64 region_size);
1835 struct devlink_region *
1836 devlink_port_region_create(struct devlink_port *port,
1837 const struct devlink_port_region_ops *ops,
1838 u32 region_max_snapshots, u64 region_size);
1839 void devl_region_destroy(struct devlink_region *region);
1840 void devlink_region_destroy(struct devlink_region *region);
1841 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1842 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1843 int devlink_region_snapshot_create(struct devlink_region *region,
1844 u8 *data, u32 snapshot_id);
1845 int devlink_info_serial_number_put(struct devlink_info_req *req,
1847 int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1850 enum devlink_info_version_type {
1851 DEVLINK_INFO_VERSION_TYPE_NONE,
1852 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1853 * component by name.
1857 int devlink_info_version_fixed_put(struct devlink_info_req *req,
1858 const char *version_name,
1859 const char *version_value);
1860 int devlink_info_version_stored_put(struct devlink_info_req *req,
1861 const char *version_name,
1862 const char *version_value);
1863 int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1864 const char *version_name,
1865 const char *version_value,
1866 enum devlink_info_version_type version_type);
1867 int devlink_info_version_running_put(struct devlink_info_req *req,
1868 const char *version_name,
1869 const char *version_value);
1870 int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1871 const char *version_name,
1872 const char *version_value,
1873 enum devlink_info_version_type version_type);
1875 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1876 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1878 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1879 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1881 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1883 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1884 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1886 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1888 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1889 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1890 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1893 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1895 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1897 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1899 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1901 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1903 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1904 const void *value, u32 value_len);
1906 struct devlink_health_reporter *
1907 devl_port_health_reporter_create(struct devlink_port *port,
1908 const struct devlink_health_reporter_ops *ops,
1909 u64 graceful_period, void *priv);
1911 struct devlink_health_reporter *
1912 devlink_port_health_reporter_create(struct devlink_port *port,
1913 const struct devlink_health_reporter_ops *ops,
1914 u64 graceful_period, void *priv);
1916 struct devlink_health_reporter *
1917 devl_health_reporter_create(struct devlink *devlink,
1918 const struct devlink_health_reporter_ops *ops,
1919 u64 graceful_period, void *priv);
1921 struct devlink_health_reporter *
1922 devlink_health_reporter_create(struct devlink *devlink,
1923 const struct devlink_health_reporter_ops *ops,
1924 u64 graceful_period, void *priv);
1927 devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
1930 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1933 devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1934 int devlink_health_report(struct devlink_health_reporter *reporter,
1935 const char *msg, void *priv_ctx);
1937 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1938 enum devlink_health_reporter_state state);
1940 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1942 int devl_nested_devlink_set(struct devlink *devlink,
1943 struct devlink *nested_devlink);
1944 bool devlink_is_reload_failed(const struct devlink *devlink);
1945 void devlink_remote_reload_actions_performed(struct devlink *devlink,
1946 enum devlink_reload_limit limit,
1947 u32 actions_performed);
1949 void devlink_flash_update_status_notify(struct devlink *devlink,
1950 const char *status_msg,
1951 const char *component,
1953 unsigned long total);
1954 void devlink_flash_update_timeout_notify(struct devlink *devlink,
1955 const char *status_msg,
1956 const char *component,
1957 unsigned long timeout);
1959 int devl_traps_register(struct devlink *devlink,
1960 const struct devlink_trap *traps,
1961 size_t traps_count, void *priv);
1962 int devlink_traps_register(struct devlink *devlink,
1963 const struct devlink_trap *traps,
1964 size_t traps_count, void *priv);
1965 void devl_traps_unregister(struct devlink *devlink,
1966 const struct devlink_trap *traps,
1967 size_t traps_count);
1968 void devlink_traps_unregister(struct devlink *devlink,
1969 const struct devlink_trap *traps,
1970 size_t traps_count);
1971 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1972 void *trap_ctx, struct devlink_port *in_devlink_port,
1973 const struct flow_action_cookie *fa_cookie);
1974 void *devlink_trap_ctx_priv(void *trap_ctx);
1975 int devl_trap_groups_register(struct devlink *devlink,
1976 const struct devlink_trap_group *groups,
1977 size_t groups_count);
1978 int devlink_trap_groups_register(struct devlink *devlink,
1979 const struct devlink_trap_group *groups,
1980 size_t groups_count);
1981 void devl_trap_groups_unregister(struct devlink *devlink,
1982 const struct devlink_trap_group *groups,
1983 size_t groups_count);
1984 void devlink_trap_groups_unregister(struct devlink *devlink,
1985 const struct devlink_trap_group *groups,
1986 size_t groups_count);
1988 devl_trap_policers_register(struct devlink *devlink,
1989 const struct devlink_trap_policer *policers,
1990 size_t policers_count);
1992 devl_trap_policers_unregister(struct devlink *devlink,
1993 const struct devlink_trap_policer *policers,
1994 size_t policers_count);
1996 #if IS_ENABLED(CONFIG_NET_DEVLINK)
1998 struct devlink *__must_check devlink_try_get(struct devlink *devlink);
1999 void devlink_put(struct devlink *devlink);
2001 void devlink_compat_running_version(struct devlink *devlink,
2002 char *buf, size_t len);
2003 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
2004 int devlink_compat_phys_port_name_get(struct net_device *dev,
2005 char *name, size_t len);
2006 int devlink_compat_switch_id_get(struct net_device *dev,
2007 struct netdev_phys_item_id *ppid);
2009 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
2010 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
2011 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb);
2015 static inline struct devlink *devlink_try_get(struct devlink *devlink)
2020 static inline void devlink_put(struct devlink *devlink)
2025 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
2030 devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
2036 devlink_compat_phys_port_name_get(struct net_device *dev,
2037 char *name, size_t len)
2043 devlink_compat_switch_id_get(struct net_device *dev,
2044 struct netdev_phys_item_id *ppid)
2050 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
2055 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2062 #endif /* _NET_DEVLINK_H_ */