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>
24 #define DEVLINK_RELOAD_STATS_ARRAY_SIZE \
25 (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX)
27 struct devlink_dev_stats {
28 u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
29 u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
35 struct list_head list;
36 struct list_head port_list;
37 struct list_head sb_list;
38 struct list_head dpipe_table_list;
39 struct list_head resource_list;
40 struct list_head param_list;
41 struct list_head region_list;
42 struct list_head reporter_list;
43 struct mutex reporters_lock; /* protects reporter_list */
44 struct devlink_dpipe_headers *dpipe_headers;
45 struct list_head trap_list;
46 struct list_head trap_group_list;
47 struct list_head trap_policer_list;
48 const struct devlink_ops *ops;
49 struct xarray snapshot_ids;
50 struct devlink_dev_stats stats;
53 struct mutex lock; /* Serializes access to devlink instance specific objects such as
54 * port, sb, dpipe, resource, params, region, traps and more.
59 char priv[0] __aligned(NETDEV_ALIGN);
62 struct devlink_port_phys_attrs {
63 u32 port_number; /* Same value as "split group".
64 * A physical port which is visible to the user
65 * for a given port flavour.
67 u32 split_subport_number; /* If the port is split, this is the number of subport. */
71 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
72 * @controller: Associated controller number
73 * @pf: Associated PCI PF number for this port.
74 * @external: when set, indicates if a port is for an external controller
76 struct devlink_port_pci_pf_attrs {
83 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
84 * @controller: Associated controller number
85 * @pf: Associated PCI PF number for this port.
86 * @vf: Associated PCI VF for of the PCI PF for this port.
87 * @external: when set, indicates if a port is for an external controller
89 struct devlink_port_pci_vf_attrs {
97 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
98 * @controller: Associated controller number
99 * @sf: Associated PCI SF for of the PCI PF for this port.
100 * @pf: Associated PCI PF number for this port.
102 struct devlink_port_pci_sf_attrs {
109 * struct devlink_port_attrs - devlink port object
110 * @flavour: flavour of the port
111 * @split: indicates if this is split port
112 * @splittable: indicates if the port can be split.
113 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
114 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
115 * @phys: physical port attributes
116 * @pci_pf: PCI PF port attributes
117 * @pci_vf: PCI VF port attributes
118 * @pci_sf: PCI SF port attributes
120 struct devlink_port_attrs {
124 enum devlink_port_flavour flavour;
125 struct netdev_phys_item_id switch_id;
127 struct devlink_port_phys_attrs phys;
128 struct devlink_port_pci_pf_attrs pci_pf;
129 struct devlink_port_pci_vf_attrs pci_vf;
130 struct devlink_port_pci_sf_attrs pci_sf;
134 struct devlink_port {
135 struct list_head list;
136 struct list_head param_list;
137 struct list_head region_list;
138 struct devlink *devlink;
141 spinlock_t type_lock; /* Protects type and type_dev
142 * pointer consistency.
144 enum devlink_port_type type;
145 enum devlink_port_type desired_type;
147 struct devlink_port_attrs attrs;
150 struct delayed_work type_warn_dw;
151 struct list_head reporter_list;
152 struct mutex reporters_lock; /* Protects reporter_list */
155 struct devlink_port_new_attrs {
156 enum devlink_port_flavour flavour;
157 unsigned int port_index;
161 u8 port_index_valid:1,
166 struct devlink_sb_pool_info {
167 enum devlink_sb_pool_type pool_type;
169 enum devlink_sb_threshold_type threshold_type;
174 * struct devlink_dpipe_field - dpipe field object
176 * @id: index inside the headers field array
177 * @bitwidth: bitwidth
178 * @mapping_type: mapping type
180 struct devlink_dpipe_field {
183 unsigned int bitwidth;
184 enum devlink_dpipe_field_mapping_type mapping_type;
188 * struct devlink_dpipe_header - dpipe header object
190 * @id: index, global/local detrmined by global bit
192 * @fields_count: number of fields
193 * @global: indicates if header is shared like most protocol header
196 struct devlink_dpipe_header {
199 struct devlink_dpipe_field *fields;
200 unsigned int fields_count;
205 * struct devlink_dpipe_match - represents match operation
206 * @type: type of match
207 * @header_index: header index (packets can have several headers of same
208 * type like in case of tunnels)
210 * @fieled_id: field index
212 struct devlink_dpipe_match {
213 enum devlink_dpipe_match_type type;
214 unsigned int header_index;
215 struct devlink_dpipe_header *header;
216 unsigned int field_id;
220 * struct devlink_dpipe_action - represents action operation
221 * @type: type of action
222 * @header_index: header index (packets can have several headers of same
223 * type like in case of tunnels)
225 * @fieled_id: field index
227 struct devlink_dpipe_action {
228 enum devlink_dpipe_action_type type;
229 unsigned int header_index;
230 struct devlink_dpipe_header *header;
231 unsigned int field_id;
235 * struct devlink_dpipe_value - represents value of match/action
238 * @mapping_value: in case the field has some mapping this value
239 * specified the mapping value
240 * @mapping_valid: specify if mapping value is valid
241 * @value_size: value size
245 struct devlink_dpipe_value {
247 struct devlink_dpipe_action *action;
248 struct devlink_dpipe_match *match;
250 unsigned int mapping_value;
252 unsigned int value_size;
258 * struct devlink_dpipe_entry - table entry object
259 * @index: index of the entry in the table
260 * @match_values: match values
261 * @matche_values_count: count of matches tuples
262 * @action_values: actions values
263 * @action_values_count: count of actions values
264 * @counter: value of counter
265 * @counter_valid: Specify if value is valid from hardware
267 struct devlink_dpipe_entry {
269 struct devlink_dpipe_value *match_values;
270 unsigned int match_values_count;
271 struct devlink_dpipe_value *action_values;
272 unsigned int action_values_count;
278 * struct devlink_dpipe_dump_ctx - context provided to driver in order
281 * @cmd: devlink command
283 * @nest: top attribute
286 struct devlink_dpipe_dump_ctx {
287 struct genl_info *info;
288 enum devlink_command cmd;
294 struct devlink_dpipe_table_ops;
297 * struct devlink_dpipe_table - table object
300 * @counters_enabled: indicates if counters are active
301 * @counter_control_extern: indicates if counter control is in dpipe or
303 * @resource_valid: Indicate that the resource id is valid
304 * @resource_id: relative resource this table is related to
305 * @resource_units: number of resource's unit consumed per table's entry
306 * @table_ops: table operations
309 struct devlink_dpipe_table {
311 struct list_head list;
313 bool counters_enabled;
314 bool counter_control_extern;
318 struct devlink_dpipe_table_ops *table_ops;
323 * struct devlink_dpipe_table_ops - dpipe_table ops
324 * @actions_dump - dumps all tables actions
325 * @matches_dump - dumps all tables matches
326 * @entries_dump - dumps all active entries in the table
327 * @counters_set_update - when changing the counter status hardware sync
328 * maybe needed to allocate/free counter related
330 * @size_get - get size
332 struct devlink_dpipe_table_ops {
333 int (*actions_dump)(void *priv, struct sk_buff *skb);
334 int (*matches_dump)(void *priv, struct sk_buff *skb);
335 int (*entries_dump)(void *priv, bool counters_enabled,
336 struct devlink_dpipe_dump_ctx *dump_ctx);
337 int (*counters_set_update)(void *priv, bool enable);
338 u64 (*size_get)(void *priv);
342 * struct devlink_dpipe_headers - dpipe headers
343 * @headers - header array can be shared (global bit) or driver specific
344 * @headers_count - count of headers
346 struct devlink_dpipe_headers {
347 struct devlink_dpipe_header **headers;
348 unsigned int headers_count;
352 * struct devlink_resource_size_params - resource's size parameters
353 * @size_min: minimum size which can be set
354 * @size_max: maximum size which can be set
355 * @size_granularity: size granularity
356 * @size_unit: resource's basic unit
358 struct devlink_resource_size_params {
361 u64 size_granularity;
362 enum devlink_resource_unit unit;
366 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
367 u64 size_min, u64 size_max,
368 u64 size_granularity,
369 enum devlink_resource_unit unit)
371 size_params->size_min = size_min;
372 size_params->size_max = size_max;
373 size_params->size_granularity = size_granularity;
374 size_params->unit = unit;
377 typedef u64 devlink_resource_occ_get_t(void *priv);
380 * struct devlink_resource - devlink resource
381 * @name: name of the resource
382 * @id: id, per devlink instance
383 * @size: size of the resource
384 * @size_new: updated size of the resource, reload is needed
385 * @size_valid: valid in case the total size of the resource is valid
386 * including its children
387 * @parent: parent resource
388 * @size_params: size parameters
390 * @resource_list: list of child resources
392 struct devlink_resource {
398 struct devlink_resource *parent;
399 struct devlink_resource_size_params size_params;
400 struct list_head list;
401 struct list_head resource_list;
402 devlink_resource_occ_get_t *occ_get;
406 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0
408 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
410 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32
411 enum devlink_param_type {
412 DEVLINK_PARAM_TYPE_U8,
413 DEVLINK_PARAM_TYPE_U16,
414 DEVLINK_PARAM_TYPE_U32,
415 DEVLINK_PARAM_TYPE_STRING,
416 DEVLINK_PARAM_TYPE_BOOL,
419 union devlink_param_value {
423 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
427 struct devlink_param_gset_ctx {
428 union devlink_param_value val;
429 enum devlink_param_cmode cmode;
433 * struct devlink_flash_notify - devlink dev flash notify data
434 * @status_msg: current status string
435 * @component: firmware component being updated
436 * @done: amount of work completed of total amount
437 * @total: amount of work expected to be done
438 * @timeout: expected max timeout in seconds
440 * These are values to be given to userland to be displayed in order
441 * to show current activity in a firmware update process.
443 struct devlink_flash_notify {
444 const char *status_msg;
445 const char *component;
448 unsigned long timeout;
452 * struct devlink_param - devlink configuration parameter data
453 * @name: name of the parameter
454 * @generic: indicates if the parameter is generic or driver specific
455 * @type: parameter type
456 * @supported_cmodes: bitmap of supported configuration modes
457 * @get: get parameter value, used for runtime and permanent
458 * configuration modes
459 * @set: set parameter value, used for runtime and permanent
460 * configuration modes
461 * @validate: validate input value is applicable (within value range, etc.)
463 * This struct should be used by the driver to fill the data for
464 * a parameter it registers.
466 struct devlink_param {
470 enum devlink_param_type type;
471 unsigned long supported_cmodes;
472 int (*get)(struct devlink *devlink, u32 id,
473 struct devlink_param_gset_ctx *ctx);
474 int (*set)(struct devlink *devlink, u32 id,
475 struct devlink_param_gset_ctx *ctx);
476 int (*validate)(struct devlink *devlink, u32 id,
477 union devlink_param_value val,
478 struct netlink_ext_ack *extack);
481 struct devlink_param_item {
482 struct list_head list;
483 const struct devlink_param *param;
484 union devlink_param_value driverinit_value;
485 bool driverinit_value_valid;
489 enum devlink_param_generic_id {
490 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
491 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
492 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
493 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
494 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
495 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
496 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
497 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
498 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
499 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
500 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
502 /* add new param generic ids above here*/
503 __DEVLINK_PARAM_GENERIC_ID_MAX,
504 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
507 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
508 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
510 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
511 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
513 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
514 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
516 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
517 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
519 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
520 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
522 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
523 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
525 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
526 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
528 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
529 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
531 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
532 "reset_dev_on_drv_probe"
533 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
535 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
536 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
538 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
539 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
541 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
543 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
544 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
545 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
547 .supported_cmodes = _cmodes, \
550 .validate = _validate, \
553 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
558 .supported_cmodes = _cmodes, \
561 .validate = _validate, \
564 /* Part number, identifier of board design */
565 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
566 /* Revision of board design */
567 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
568 /* Maker of the board */
569 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
571 /* Part number, identifier of asic design */
572 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
573 /* Revision of asic design */
574 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
576 /* Overall FW version */
577 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
578 /* Control processor FW version */
579 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
580 /* FW interface specification version */
581 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
582 /* Data path microcode controlling high-speed packet processing */
583 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
584 /* UNDI software version */
585 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
586 /* NCSI support/handler version */
587 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
588 /* FW parameter set id */
589 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
590 /* RoCE FW version */
591 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
592 /* Firmware bundle identifier */
593 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
596 * struct devlink_flash_update_params - Flash Update parameters
597 * @fw: pointer to the firmware data to update from
598 * @component: the flash component to update
600 * With the exception of fw, drivers must opt-in to parameters by
601 * setting the appropriate bit in the supported_flash_update_params field in
602 * their devlink_ops structure.
604 struct devlink_flash_update_params {
605 const struct firmware *fw;
606 const char *component;
610 #define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0)
611 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
613 struct devlink_region;
614 struct devlink_info_req;
617 * struct devlink_region_ops - Region operations
619 * @destructor: callback used to free snapshot memory when deleting
620 * @snapshot: callback to request an immediate snapshot. On success,
621 * the data variable must be updated to point to the snapshot data.
622 * The function will be called while the devlink instance lock is
624 * @priv: Pointer to driver private data for the region operation
626 struct devlink_region_ops {
628 void (*destructor)(const void *data);
629 int (*snapshot)(struct devlink *devlink,
630 const struct devlink_region_ops *ops,
631 struct netlink_ext_ack *extack,
637 * struct devlink_port_region_ops - Region operations for a port
639 * @destructor: callback used to free snapshot memory when deleting
640 * @snapshot: callback to request an immediate snapshot. On success,
641 * the data variable must be updated to point to the snapshot data.
642 * The function will be called while the devlink instance lock is
644 * @priv: Pointer to driver private data for the region operation
646 struct devlink_port_region_ops {
648 void (*destructor)(const void *data);
649 int (*snapshot)(struct devlink_port *port,
650 const struct devlink_port_region_ops *ops,
651 struct netlink_ext_ack *extack,
657 struct devlink_health_reporter;
659 enum devlink_health_reporter_state {
660 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
661 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
665 * struct devlink_health_reporter_ops - Reporter operations
666 * @name: reporter name
667 * @recover: callback to recover from reported error
668 * if priv_ctx is NULL, run a full recover
669 * @dump: callback to dump an object
670 * if priv_ctx is NULL, run a full dump
671 * @diagnose: callback to diagnose the current status
672 * @test: callback to trigger a test event
675 struct devlink_health_reporter_ops {
677 int (*recover)(struct devlink_health_reporter *reporter,
678 void *priv_ctx, struct netlink_ext_ack *extack);
679 int (*dump)(struct devlink_health_reporter *reporter,
680 struct devlink_fmsg *fmsg, void *priv_ctx,
681 struct netlink_ext_ack *extack);
682 int (*diagnose)(struct devlink_health_reporter *reporter,
683 struct devlink_fmsg *fmsg,
684 struct netlink_ext_ack *extack);
685 int (*test)(struct devlink_health_reporter *reporter,
686 struct netlink_ext_ack *extack);
690 * struct devlink_trap_metadata - Packet trap metadata.
691 * @trap_name: Trap name.
692 * @trap_group_name: Trap group name.
693 * @input_dev: Input netdevice.
694 * @fa_cookie: Flow action user cookie.
695 * @trap_type: Trap type.
697 struct devlink_trap_metadata {
698 const char *trap_name;
699 const char *trap_group_name;
700 struct net_device *input_dev;
701 const struct flow_action_cookie *fa_cookie;
702 enum devlink_trap_type trap_type;
706 * struct devlink_trap_policer - Immutable packet trap policer attributes.
707 * @id: Policer identifier.
708 * @init_rate: Initial rate in packets / sec.
709 * @init_burst: Initial burst size in packets.
710 * @max_rate: Maximum rate.
711 * @min_rate: Minimum rate.
712 * @max_burst: Maximum burst size.
713 * @min_burst: Minimum burst size.
715 * Describes immutable attributes of packet trap policers that drivers register
718 struct devlink_trap_policer {
729 * struct devlink_trap_group - Immutable packet trap group attributes.
730 * @name: Trap group name.
731 * @id: Trap group identifier.
732 * @generic: Whether the trap group is generic or not.
733 * @init_policer_id: Initial policer identifier.
735 * Describes immutable attributes of packet trap groups that drivers register
738 struct devlink_trap_group {
745 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
746 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
749 * struct devlink_trap - Immutable packet trap attributes.
751 * @init_action: Initial trap action.
752 * @generic: Whether the trap is generic or not.
753 * @id: Trap identifier.
755 * @init_group_id: Initial group identifier.
756 * @metadata_cap: Metadata types that can be provided by the trap.
758 * Describes immutable attributes of packet traps that drivers register with
761 struct devlink_trap {
762 enum devlink_trap_type type;
763 enum devlink_trap_action init_action;
771 /* All traps must be documented in
772 * Documentation/networking/devlink/devlink-trap.rst
774 enum devlink_trap_generic_id {
775 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
776 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
777 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
778 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
779 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
780 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
781 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
782 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
783 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
784 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
785 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
786 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
787 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
788 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
789 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
790 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
791 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
792 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
793 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
794 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
795 DEVLINK_TRAP_GENERIC_ID_RPF,
796 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
797 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
798 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
799 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
800 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
801 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
802 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
803 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
804 DEVLINK_TRAP_GENERIC_ID_STP,
805 DEVLINK_TRAP_GENERIC_ID_LACP,
806 DEVLINK_TRAP_GENERIC_ID_LLDP,
807 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
808 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
809 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
810 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
811 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
812 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
813 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
814 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
815 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
816 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
817 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
818 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
819 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
820 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
821 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
822 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
823 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
824 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
825 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
826 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
827 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
828 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
829 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
830 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
831 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
832 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
833 DEVLINK_TRAP_GENERIC_ID_UC_LB,
834 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
835 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
836 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
837 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
838 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
839 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
840 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
841 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
842 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
843 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
844 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
845 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
846 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
847 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
848 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
849 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
850 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
851 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
852 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
853 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
854 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
855 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
856 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
857 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
858 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
859 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
860 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
861 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
862 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
863 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
864 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
865 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
866 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
868 /* Add new generic trap IDs above */
869 __DEVLINK_TRAP_GENERIC_ID_MAX,
870 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
873 /* All trap groups must be documented in
874 * Documentation/networking/devlink/devlink-trap.rst
876 enum devlink_trap_group_generic_id {
877 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
878 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
879 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
880 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
881 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
882 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
883 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
884 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
885 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
886 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
887 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
888 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
889 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
890 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
891 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
892 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
893 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
894 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
895 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
896 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
897 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
898 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
899 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
900 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
901 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
902 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
904 /* Add new generic trap group IDs above */
905 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
906 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
907 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
910 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
911 "source_mac_is_multicast"
912 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
914 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
915 "ingress_vlan_filter"
916 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
917 "ingress_spanning_tree_filter"
918 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
920 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
921 "port_loopback_filter"
922 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
924 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
925 "ttl_value_is_too_small"
926 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
928 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
930 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
931 "uc_dip_over_mc_dmac"
932 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
933 "dip_is_loopback_address"
934 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
936 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
937 "sip_is_loopback_address"
938 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
939 "ip_header_corrupted"
940 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
941 "ipv4_sip_is_limited_bc"
942 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
943 "ipv6_mc_dip_reserved_scope"
944 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
945 "ipv6_mc_dip_interface_local_scope"
946 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
947 "mtu_value_is_too_small"
948 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
950 #define DEVLINK_TRAP_GENERIC_NAME_RPF \
951 "mc_reverse_path_forwarding"
952 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
954 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
956 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
958 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
959 "non_routable_packet"
960 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
962 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
964 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
965 "ingress_flow_action_drop"
966 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
967 "egress_flow_action_drop"
968 #define DEVLINK_TRAP_GENERIC_NAME_STP \
970 #define DEVLINK_TRAP_GENERIC_NAME_LACP \
972 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \
974 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
976 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
978 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
980 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
982 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
984 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
986 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
988 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
990 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
992 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
994 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
996 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
998 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1000 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1002 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1003 "ipv6_neigh_solicit"
1004 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1006 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1008 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1010 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1012 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1014 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1016 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1018 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1020 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1022 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1024 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1026 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1028 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1030 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1032 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1033 "ipv6_uc_dip_link_local_scope"
1034 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1035 "ipv6_dip_all_nodes"
1036 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1037 "ipv6_dip_all_routers"
1038 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1039 "ipv6_router_solicit"
1040 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1041 "ipv6_router_advert"
1042 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1044 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1046 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1048 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1050 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1052 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1053 "flow_action_sample"
1054 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1056 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1058 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1060 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1062 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1064 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1066 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1068 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1070 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1072 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1074 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1076 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1078 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1080 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1082 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1084 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1086 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1088 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1090 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1092 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1095 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1097 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1099 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1101 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1103 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1105 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1107 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1109 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1111 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1113 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1115 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1117 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1119 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1121 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1123 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1125 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1127 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1129 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1131 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1133 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1135 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1137 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1139 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1141 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1143 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1145 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1146 "parser_error_drops"
1148 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1151 .type = DEVLINK_TRAP_TYPE_##_type, \
1152 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1154 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1155 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1156 .init_group_id = _group_id, \
1157 .metadata_cap = _metadata_cap, \
1160 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1163 .type = DEVLINK_TRAP_TYPE_##_type, \
1164 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1168 .init_group_id = _group_id, \
1169 .metadata_cap = _metadata_cap, \
1172 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1174 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1175 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1177 .init_policer_id = _policer_id, \
1180 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1181 _max_burst, _min_burst) \
1184 .init_rate = _rate, \
1185 .init_burst = _burst, \
1186 .max_rate = _max_rate, \
1187 .min_rate = _min_rate, \
1188 .max_burst = _max_burst, \
1189 .min_burst = _min_burst, \
1192 struct devlink_ops {
1194 * @supported_flash_update_params:
1195 * mask of parameters supported by the driver's .flash_update
1198 u32 supported_flash_update_params;
1199 unsigned long reload_actions;
1200 unsigned long reload_limits;
1201 int (*reload_down)(struct devlink *devlink, bool netns_change,
1202 enum devlink_reload_action action,
1203 enum devlink_reload_limit limit,
1204 struct netlink_ext_ack *extack);
1205 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1206 enum devlink_reload_limit limit, u32 *actions_performed,
1207 struct netlink_ext_ack *extack);
1208 int (*port_type_set)(struct devlink_port *devlink_port,
1209 enum devlink_port_type port_type);
1210 int (*port_split)(struct devlink *devlink, unsigned int port_index,
1211 unsigned int count, struct netlink_ext_ack *extack);
1212 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1213 struct netlink_ext_ack *extack);
1214 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1216 struct devlink_sb_pool_info *pool_info);
1217 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1218 u16 pool_index, u32 size,
1219 enum devlink_sb_threshold_type threshold_type,
1220 struct netlink_ext_ack *extack);
1221 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1222 unsigned int sb_index, u16 pool_index,
1224 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1225 unsigned int sb_index, u16 pool_index,
1226 u32 threshold, struct netlink_ext_ack *extack);
1227 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1228 unsigned int sb_index,
1230 enum devlink_sb_pool_type pool_type,
1231 u16 *p_pool_index, u32 *p_threshold);
1232 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1233 unsigned int sb_index,
1235 enum devlink_sb_pool_type pool_type,
1236 u16 pool_index, u32 threshold,
1237 struct netlink_ext_ack *extack);
1238 int (*sb_occ_snapshot)(struct devlink *devlink,
1239 unsigned int sb_index);
1240 int (*sb_occ_max_clear)(struct devlink *devlink,
1241 unsigned int sb_index);
1242 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1243 unsigned int sb_index, u16 pool_index,
1244 u32 *p_cur, u32 *p_max);
1245 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1246 unsigned int sb_index,
1248 enum devlink_sb_pool_type pool_type,
1249 u32 *p_cur, u32 *p_max);
1251 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1252 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1253 struct netlink_ext_ack *extack);
1254 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1255 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1256 struct netlink_ext_ack *extack);
1257 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1258 enum devlink_eswitch_encap_mode *p_encap_mode);
1259 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1260 enum devlink_eswitch_encap_mode encap_mode,
1261 struct netlink_ext_ack *extack);
1262 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1263 struct netlink_ext_ack *extack);
1265 * @flash_update: Device flash update function
1267 * Used to perform a flash update for the device. The set of
1268 * parameters supported by the driver should be set in
1269 * supported_flash_update_params.
1271 int (*flash_update)(struct devlink *devlink,
1272 struct devlink_flash_update_params *params,
1273 struct netlink_ext_ack *extack);
1275 * @trap_init: Trap initialization function.
1277 * Should be used by device drivers to initialize the trap in the
1278 * underlying device. Drivers should also store the provided trap
1279 * context, so that they could efficiently pass it to
1280 * devlink_trap_report() when the trap is triggered.
1282 int (*trap_init)(struct devlink *devlink,
1283 const struct devlink_trap *trap, void *trap_ctx);
1285 * @trap_fini: Trap de-initialization function.
1287 * Should be used by device drivers to de-initialize the trap in the
1288 * underlying device.
1290 void (*trap_fini)(struct devlink *devlink,
1291 const struct devlink_trap *trap, void *trap_ctx);
1293 * @trap_action_set: Trap action set function.
1295 int (*trap_action_set)(struct devlink *devlink,
1296 const struct devlink_trap *trap,
1297 enum devlink_trap_action action,
1298 struct netlink_ext_ack *extack);
1300 * @trap_group_init: Trap group initialization function.
1302 * Should be used by device drivers to initialize the trap group in the
1303 * underlying device.
1305 int (*trap_group_init)(struct devlink *devlink,
1306 const struct devlink_trap_group *group);
1308 * @trap_group_set: Trap group parameters set function.
1310 * Note: @policer can be NULL when a policer is being unbound from
1313 int (*trap_group_set)(struct devlink *devlink,
1314 const struct devlink_trap_group *group,
1315 const struct devlink_trap_policer *policer,
1316 struct netlink_ext_ack *extack);
1318 * @trap_group_action_set: Trap group action set function.
1320 * If this callback is populated, it will take precedence over looping
1321 * over all traps in a group and calling .trap_action_set().
1323 int (*trap_group_action_set)(struct devlink *devlink,
1324 const struct devlink_trap_group *group,
1325 enum devlink_trap_action action,
1326 struct netlink_ext_ack *extack);
1328 * @trap_policer_init: Trap policer initialization function.
1330 * Should be used by device drivers to initialize the trap policer in
1331 * the underlying device.
1333 int (*trap_policer_init)(struct devlink *devlink,
1334 const struct devlink_trap_policer *policer);
1336 * @trap_policer_fini: Trap policer de-initialization function.
1338 * Should be used by device drivers to de-initialize the trap policer
1339 * in the underlying device.
1341 void (*trap_policer_fini)(struct devlink *devlink,
1342 const struct devlink_trap_policer *policer);
1344 * @trap_policer_set: Trap policer parameters set function.
1346 int (*trap_policer_set)(struct devlink *devlink,
1347 const struct devlink_trap_policer *policer,
1348 u64 rate, u64 burst,
1349 struct netlink_ext_ack *extack);
1351 * @trap_policer_counter_get: Trap policer counter get function.
1353 * Should be used by device drivers to report number of packets dropped
1356 int (*trap_policer_counter_get)(struct devlink *devlink,
1357 const struct devlink_trap_policer *policer,
1360 * @port_function_hw_addr_get: Port function's hardware address get function.
1362 * Should be used by device drivers to report the hardware address of a function managed
1363 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1364 * function handling for a particular port.
1366 * Note: @extack can be NULL when port notifier queries the port function.
1368 int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
1369 u8 *hw_addr, int *hw_addr_len,
1370 struct netlink_ext_ack *extack);
1372 * @port_function_hw_addr_set: Port function's hardware address set function.
1374 * Should be used by device drivers to set the hardware address of a function managed
1375 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1376 * function handling for a particular port.
1378 int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
1379 const u8 *hw_addr, int hw_addr_len,
1380 struct netlink_ext_ack *extack);
1382 * port_new() - Add a new port function of a specified flavor
1383 * @devlink: Devlink instance
1384 * @attrs: attributes of the new port
1385 * @extack: extack for reporting error messages
1386 * @new_port_index: index of the new port
1388 * Devlink core will call this device driver function upon user request
1389 * to create a new port function of a specified flavor and optional
1393 * - Called without devlink instance lock being held. Drivers must
1394 * implement own means of synchronization
1395 * - On success, drivers must register a port with devlink core
1397 * Return: 0 on success, negative value otherwise.
1399 int (*port_new)(struct devlink *devlink,
1400 const struct devlink_port_new_attrs *attrs,
1401 struct netlink_ext_ack *extack,
1402 unsigned int *new_port_index);
1404 * port_del() - Delete a port function
1405 * @devlink: Devlink instance
1406 * @port_index: port function index to delete
1407 * @extack: extack for reporting error messages
1409 * Devlink core will call this device driver function upon user request
1410 * to delete a previously created port function
1413 * - Called without devlink instance lock being held. Drivers must
1414 * implement own means of synchronization
1415 * - On success, drivers must unregister the corresponding devlink
1418 * Return: 0 on success, negative value otherwise.
1420 int (*port_del)(struct devlink *devlink, unsigned int port_index,
1421 struct netlink_ext_ack *extack);
1423 * port_fn_state_get() - Get the state of a port function
1424 * @devlink: Devlink instance
1425 * @port: The devlink port
1426 * @state: Admin configured state
1427 * @opstate: Current operational state
1428 * @extack: extack for reporting error messages
1430 * Reports the admin and operational state of a devlink port function
1432 * Return: 0 on success, negative value otherwise.
1434 int (*port_fn_state_get)(struct devlink *devlink,
1435 struct devlink_port *port,
1436 enum devlink_port_fn_state *state,
1437 enum devlink_port_fn_opstate *opstate,
1438 struct netlink_ext_ack *extack);
1440 * port_fn_state_set() - Set the admin state of a port function
1441 * @devlink: Devlink instance
1442 * @port: The devlink port
1443 * @state: Admin state
1444 * @extack: extack for reporting error messages
1446 * Set the admin state of a devlink port function
1448 * Return: 0 on success, negative value otherwise.
1450 int (*port_fn_state_set)(struct devlink *devlink,
1451 struct devlink_port *port,
1452 enum devlink_port_fn_state state,
1453 struct netlink_ext_ack *extack);
1456 static inline void *devlink_priv(struct devlink *devlink)
1459 return &devlink->priv;
1462 static inline struct devlink *priv_to_devlink(void *priv)
1465 return container_of(priv, struct devlink, priv);
1468 static inline struct devlink_port *
1469 netdev_to_devlink_port(struct net_device *dev)
1471 if (dev->netdev_ops->ndo_get_devlink_port)
1472 return dev->netdev_ops->ndo_get_devlink_port(dev);
1476 static inline struct devlink *netdev_to_devlink(struct net_device *dev)
1478 struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
1481 return devlink_port->devlink;
1487 struct net *devlink_net(const struct devlink *devlink);
1488 void devlink_net_set(struct devlink *devlink, struct net *net);
1489 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
1490 int devlink_register(struct devlink *devlink, struct device *dev);
1491 void devlink_unregister(struct devlink *devlink);
1492 void devlink_reload_enable(struct devlink *devlink);
1493 void devlink_reload_disable(struct devlink *devlink);
1494 void devlink_free(struct devlink *devlink);
1495 int devlink_port_register(struct devlink *devlink,
1496 struct devlink_port *devlink_port,
1497 unsigned int port_index);
1498 void devlink_port_unregister(struct devlink_port *devlink_port);
1499 void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1500 struct net_device *netdev);
1501 void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1502 struct ib_device *ibdev);
1503 void devlink_port_type_clear(struct devlink_port *devlink_port);
1504 void devlink_port_attrs_set(struct devlink_port *devlink_port,
1505 struct devlink_port_attrs *devlink_port_attrs);
1506 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1507 u16 pf, bool external);
1508 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1509 u16 pf, u16 vf, bool external);
1510 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1511 u32 controller, u16 pf, u32 sf);
1512 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1513 u32 size, u16 ingress_pools_count,
1514 u16 egress_pools_count, u16 ingress_tc_count,
1515 u16 egress_tc_count);
1516 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1517 int devlink_dpipe_table_register(struct devlink *devlink,
1518 const char *table_name,
1519 struct devlink_dpipe_table_ops *table_ops,
1520 void *priv, bool counter_control_extern);
1521 void devlink_dpipe_table_unregister(struct devlink *devlink,
1522 const char *table_name);
1523 int devlink_dpipe_headers_register(struct devlink *devlink,
1524 struct devlink_dpipe_headers *dpipe_headers);
1525 void devlink_dpipe_headers_unregister(struct devlink *devlink);
1526 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1527 const char *table_name);
1528 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1529 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1530 struct devlink_dpipe_entry *entry);
1531 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1532 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1533 int devlink_dpipe_action_put(struct sk_buff *skb,
1534 struct devlink_dpipe_action *action);
1535 int devlink_dpipe_match_put(struct sk_buff *skb,
1536 struct devlink_dpipe_match *match);
1537 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1538 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1539 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1541 int devlink_resource_register(struct devlink *devlink,
1542 const char *resource_name,
1545 u64 parent_resource_id,
1546 const struct devlink_resource_size_params *size_params);
1547 void devlink_resources_unregister(struct devlink *devlink,
1548 struct devlink_resource *resource);
1549 int devlink_resource_size_get(struct devlink *devlink,
1551 u64 *p_resource_size);
1552 int devlink_dpipe_table_resource_set(struct devlink *devlink,
1553 const char *table_name, u64 resource_id,
1554 u64 resource_units);
1555 void devlink_resource_occ_get_register(struct devlink *devlink,
1557 devlink_resource_occ_get_t *occ_get,
1558 void *occ_get_priv);
1559 void devlink_resource_occ_get_unregister(struct devlink *devlink,
1561 int devlink_params_register(struct devlink *devlink,
1562 const struct devlink_param *params,
1563 size_t params_count);
1564 void devlink_params_unregister(struct devlink *devlink,
1565 const struct devlink_param *params,
1566 size_t params_count);
1567 void devlink_params_publish(struct devlink *devlink);
1568 void devlink_params_unpublish(struct devlink *devlink);
1569 int devlink_port_params_register(struct devlink_port *devlink_port,
1570 const struct devlink_param *params,
1571 size_t params_count);
1572 void devlink_port_params_unregister(struct devlink_port *devlink_port,
1573 const struct devlink_param *params,
1574 size_t params_count);
1575 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1576 union devlink_param_value *init_val);
1577 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1578 union devlink_param_value init_val);
1580 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1582 union devlink_param_value *init_val);
1583 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1585 union devlink_param_value init_val);
1586 void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1587 void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1589 void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1591 struct devlink_region *
1592 devlink_region_create(struct devlink *devlink,
1593 const struct devlink_region_ops *ops,
1594 u32 region_max_snapshots, u64 region_size);
1595 struct devlink_region *
1596 devlink_port_region_create(struct devlink_port *port,
1597 const struct devlink_port_region_ops *ops,
1598 u32 region_max_snapshots, u64 region_size);
1599 void devlink_region_destroy(struct devlink_region *region);
1600 void devlink_port_region_destroy(struct devlink_region *region);
1602 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1603 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1604 int devlink_region_snapshot_create(struct devlink_region *region,
1605 u8 *data, u32 snapshot_id);
1606 int devlink_info_serial_number_put(struct devlink_info_req *req,
1608 int devlink_info_driver_name_put(struct devlink_info_req *req,
1610 int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1612 int devlink_info_version_fixed_put(struct devlink_info_req *req,
1613 const char *version_name,
1614 const char *version_value);
1615 int devlink_info_version_stored_put(struct devlink_info_req *req,
1616 const char *version_name,
1617 const char *version_value);
1618 int devlink_info_version_running_put(struct devlink_info_req *req,
1619 const char *version_name,
1620 const char *version_value);
1622 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1623 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1625 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1626 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1628 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1630 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1631 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1633 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1635 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1636 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1637 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1638 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1639 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1640 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1643 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1645 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1647 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1649 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1651 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1653 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1654 const void *value, u32 value_len);
1656 struct devlink_health_reporter *
1657 devlink_health_reporter_create(struct devlink *devlink,
1658 const struct devlink_health_reporter_ops *ops,
1659 u64 graceful_period, void *priv);
1661 struct devlink_health_reporter *
1662 devlink_port_health_reporter_create(struct devlink_port *port,
1663 const struct devlink_health_reporter_ops *ops,
1664 u64 graceful_period, void *priv);
1667 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1670 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1673 devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1674 int devlink_health_report(struct devlink_health_reporter *reporter,
1675 const char *msg, void *priv_ctx);
1677 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1678 enum devlink_health_reporter_state state);
1680 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1682 bool devlink_is_reload_failed(const struct devlink *devlink);
1683 void devlink_remote_reload_actions_performed(struct devlink *devlink,
1684 enum devlink_reload_limit limit,
1685 u32 actions_performed);
1687 void devlink_flash_update_status_notify(struct devlink *devlink,
1688 const char *status_msg,
1689 const char *component,
1691 unsigned long total);
1692 void devlink_flash_update_timeout_notify(struct devlink *devlink,
1693 const char *status_msg,
1694 const char *component,
1695 unsigned long timeout);
1697 int devlink_traps_register(struct devlink *devlink,
1698 const struct devlink_trap *traps,
1699 size_t traps_count, void *priv);
1700 void devlink_traps_unregister(struct devlink *devlink,
1701 const struct devlink_trap *traps,
1702 size_t traps_count);
1703 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1704 void *trap_ctx, struct devlink_port *in_devlink_port,
1705 const struct flow_action_cookie *fa_cookie);
1706 void *devlink_trap_ctx_priv(void *trap_ctx);
1707 int devlink_trap_groups_register(struct devlink *devlink,
1708 const struct devlink_trap_group *groups,
1709 size_t groups_count);
1710 void devlink_trap_groups_unregister(struct devlink *devlink,
1711 const struct devlink_trap_group *groups,
1712 size_t groups_count);
1714 devlink_trap_policers_register(struct devlink *devlink,
1715 const struct devlink_trap_policer *policers,
1716 size_t policers_count);
1718 devlink_trap_policers_unregister(struct devlink *devlink,
1719 const struct devlink_trap_policer *policers,
1720 size_t policers_count);
1722 #if IS_ENABLED(CONFIG_NET_DEVLINK)
1724 void devlink_compat_running_version(struct net_device *dev,
1725 char *buf, size_t len);
1726 int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
1727 int devlink_compat_phys_port_name_get(struct net_device *dev,
1728 char *name, size_t len);
1729 int devlink_compat_switch_id_get(struct net_device *dev,
1730 struct netdev_phys_item_id *ppid);
1735 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1740 devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1746 devlink_compat_phys_port_name_get(struct net_device *dev,
1747 char *name, size_t len)
1753 devlink_compat_switch_id_get(struct net_device *dev,
1754 struct netdev_phys_item_id *ppid)
1761 #endif /* _NET_DEVLINK_H_ */