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 <uapi/linux/devlink.h>
24 struct list_head list
;
25 struct list_head port_list
;
26 struct list_head sb_list
;
27 struct list_head dpipe_table_list
;
28 struct list_head resource_list
;
29 struct list_head param_list
;
30 struct list_head region_list
;
32 struct list_head reporter_list
;
33 struct mutex reporters_lock
; /* protects reporter_list */
34 struct devlink_dpipe_headers
*dpipe_headers
;
35 struct list_head trap_list
;
36 struct list_head trap_group_list
;
37 const struct devlink_ops
*ops
;
42 char priv
[0] __aligned(NETDEV_ALIGN
);
45 struct devlink_port_phys_attrs
{
46 u32 port_number
; /* Same value as "split group".
47 * A physical port which is visible to the user
48 * for a given port flavour.
50 u32 split_subport_number
;
53 struct devlink_port_pci_pf_attrs
{
54 u16 pf
; /* Associated PCI PF for this port. */
57 struct devlink_port_pci_vf_attrs
{
58 u16 pf
; /* Associated PCI PF for this port. */
59 u16 vf
; /* Associated PCI VF for of the PCI PF for this port. */
62 struct devlink_port_attrs
{
66 enum devlink_port_flavour flavour
;
67 struct netdev_phys_item_id switch_id
;
69 struct devlink_port_phys_attrs phys
;
70 struct devlink_port_pci_pf_attrs pci_pf
;
71 struct devlink_port_pci_vf_attrs pci_vf
;
76 struct list_head list
;
77 struct list_head param_list
;
78 struct devlink
*devlink
;
81 spinlock_t type_lock
; /* Protects type and type_dev
82 * pointer consistency.
84 enum devlink_port_type type
;
85 enum devlink_port_type desired_type
;
87 struct devlink_port_attrs attrs
;
88 struct delayed_work type_warn_dw
;
91 struct devlink_sb_pool_info
{
92 enum devlink_sb_pool_type pool_type
;
94 enum devlink_sb_threshold_type threshold_type
;
99 * struct devlink_dpipe_field - dpipe field object
101 * @id: index inside the headers field array
102 * @bitwidth: bitwidth
103 * @mapping_type: mapping type
105 struct devlink_dpipe_field
{
108 unsigned int bitwidth
;
109 enum devlink_dpipe_field_mapping_type mapping_type
;
113 * struct devlink_dpipe_header - dpipe header object
115 * @id: index, global/local detrmined by global bit
117 * @fields_count: number of fields
118 * @global: indicates if header is shared like most protocol header
121 struct devlink_dpipe_header
{
124 struct devlink_dpipe_field
*fields
;
125 unsigned int fields_count
;
130 * struct devlink_dpipe_match - represents match operation
131 * @type: type of match
132 * @header_index: header index (packets can have several headers of same
133 * type like in case of tunnels)
135 * @fieled_id: field index
137 struct devlink_dpipe_match
{
138 enum devlink_dpipe_match_type type
;
139 unsigned int header_index
;
140 struct devlink_dpipe_header
*header
;
141 unsigned int field_id
;
145 * struct devlink_dpipe_action - represents action operation
146 * @type: type of action
147 * @header_index: header index (packets can have several headers of same
148 * type like in case of tunnels)
150 * @fieled_id: field index
152 struct devlink_dpipe_action
{
153 enum devlink_dpipe_action_type type
;
154 unsigned int header_index
;
155 struct devlink_dpipe_header
*header
;
156 unsigned int field_id
;
160 * struct devlink_dpipe_value - represents value of match/action
163 * @mapping_value: in case the field has some mapping this value
164 * specified the mapping value
165 * @mapping_valid: specify if mapping value is valid
166 * @value_size: value size
170 struct devlink_dpipe_value
{
172 struct devlink_dpipe_action
*action
;
173 struct devlink_dpipe_match
*match
;
175 unsigned int mapping_value
;
177 unsigned int value_size
;
183 * struct devlink_dpipe_entry - table entry object
184 * @index: index of the entry in the table
185 * @match_values: match values
186 * @matche_values_count: count of matches tuples
187 * @action_values: actions values
188 * @action_values_count: count of actions values
189 * @counter: value of counter
190 * @counter_valid: Specify if value is valid from hardware
192 struct devlink_dpipe_entry
{
194 struct devlink_dpipe_value
*match_values
;
195 unsigned int match_values_count
;
196 struct devlink_dpipe_value
*action_values
;
197 unsigned int action_values_count
;
203 * struct devlink_dpipe_dump_ctx - context provided to driver in order
206 * @cmd: devlink command
208 * @nest: top attribute
211 struct devlink_dpipe_dump_ctx
{
212 struct genl_info
*info
;
213 enum devlink_command cmd
;
219 struct devlink_dpipe_table_ops
;
222 * struct devlink_dpipe_table - table object
225 * @counters_enabled: indicates if counters are active
226 * @counter_control_extern: indicates if counter control is in dpipe or
228 * @resource_valid: Indicate that the resource id is valid
229 * @resource_id: relative resource this table is related to
230 * @resource_units: number of resource's unit consumed per table's entry
231 * @table_ops: table operations
234 struct devlink_dpipe_table
{
236 struct list_head list
;
238 bool counters_enabled
;
239 bool counter_control_extern
;
243 struct devlink_dpipe_table_ops
*table_ops
;
248 * struct devlink_dpipe_table_ops - dpipe_table ops
249 * @actions_dump - dumps all tables actions
250 * @matches_dump - dumps all tables matches
251 * @entries_dump - dumps all active entries in the table
252 * @counters_set_update - when changing the counter status hardware sync
253 * maybe needed to allocate/free counter related
255 * @size_get - get size
257 struct devlink_dpipe_table_ops
{
258 int (*actions_dump
)(void *priv
, struct sk_buff
*skb
);
259 int (*matches_dump
)(void *priv
, struct sk_buff
*skb
);
260 int (*entries_dump
)(void *priv
, bool counters_enabled
,
261 struct devlink_dpipe_dump_ctx
*dump_ctx
);
262 int (*counters_set_update
)(void *priv
, bool enable
);
263 u64 (*size_get
)(void *priv
);
267 * struct devlink_dpipe_headers - dpipe headers
268 * @headers - header array can be shared (global bit) or driver specific
269 * @headers_count - count of headers
271 struct devlink_dpipe_headers
{
272 struct devlink_dpipe_header
**headers
;
273 unsigned int headers_count
;
277 * struct devlink_resource_size_params - resource's size parameters
278 * @size_min: minimum size which can be set
279 * @size_max: maximum size which can be set
280 * @size_granularity: size granularity
281 * @size_unit: resource's basic unit
283 struct devlink_resource_size_params
{
286 u64 size_granularity
;
287 enum devlink_resource_unit unit
;
291 devlink_resource_size_params_init(struct devlink_resource_size_params
*size_params
,
292 u64 size_min
, u64 size_max
,
293 u64 size_granularity
,
294 enum devlink_resource_unit unit
)
296 size_params
->size_min
= size_min
;
297 size_params
->size_max
= size_max
;
298 size_params
->size_granularity
= size_granularity
;
299 size_params
->unit
= unit
;
302 typedef u64
devlink_resource_occ_get_t(void *priv
);
305 * struct devlink_resource - devlink resource
306 * @name: name of the resource
307 * @id: id, per devlink instance
308 * @size: size of the resource
309 * @size_new: updated size of the resource, reload is needed
310 * @size_valid: valid in case the total size of the resource is valid
311 * including its children
312 * @parent: parent resource
313 * @size_params: size parameters
315 * @resource_list: list of child resources
317 struct devlink_resource
{
323 struct devlink_resource
*parent
;
324 struct devlink_resource_size_params size_params
;
325 struct list_head list
;
326 struct list_head resource_list
;
327 devlink_resource_occ_get_t
*occ_get
;
331 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0
333 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32
334 enum devlink_param_type
{
335 DEVLINK_PARAM_TYPE_U8
,
336 DEVLINK_PARAM_TYPE_U16
,
337 DEVLINK_PARAM_TYPE_U32
,
338 DEVLINK_PARAM_TYPE_STRING
,
339 DEVLINK_PARAM_TYPE_BOOL
,
342 union devlink_param_value
{
346 char vstr
[__DEVLINK_PARAM_MAX_STRING_VALUE
];
350 struct devlink_param_gset_ctx
{
351 union devlink_param_value val
;
352 enum devlink_param_cmode cmode
;
356 * struct devlink_param - devlink configuration parameter data
357 * @name: name of the parameter
358 * @generic: indicates if the parameter is generic or driver specific
359 * @type: parameter type
360 * @supported_cmodes: bitmap of supported configuration modes
361 * @get: get parameter value, used for runtime and permanent
362 * configuration modes
363 * @set: set parameter value, used for runtime and permanent
364 * configuration modes
365 * @validate: validate input value is applicable (within value range, etc.)
367 * This struct should be used by the driver to fill the data for
368 * a parameter it registers.
370 struct devlink_param
{
374 enum devlink_param_type type
;
375 unsigned long supported_cmodes
;
376 int (*get
)(struct devlink
*devlink
, u32 id
,
377 struct devlink_param_gset_ctx
*ctx
);
378 int (*set
)(struct devlink
*devlink
, u32 id
,
379 struct devlink_param_gset_ctx
*ctx
);
380 int (*validate
)(struct devlink
*devlink
, u32 id
,
381 union devlink_param_value val
,
382 struct netlink_ext_ack
*extack
);
385 struct devlink_param_item
{
386 struct list_head list
;
387 const struct devlink_param
*param
;
388 union devlink_param_value driverinit_value
;
389 bool driverinit_value_valid
;
393 enum devlink_param_generic_id
{
394 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET
,
395 DEVLINK_PARAM_GENERIC_ID_MAX_MACS
,
396 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV
,
397 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT
,
398 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI
,
399 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX
,
400 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN
,
401 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY
,
402 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE
,
404 /* add new param generic ids above here*/
405 __DEVLINK_PARAM_GENERIC_ID_MAX
,
406 DEVLINK_PARAM_GENERIC_ID_MAX
= __DEVLINK_PARAM_GENERIC_ID_MAX
- 1,
409 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
410 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
412 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
413 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
415 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
416 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
418 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
419 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
421 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
422 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
424 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
425 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
427 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
428 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
430 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
431 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
433 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
434 "reset_dev_on_drv_probe"
435 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
437 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
439 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
440 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
441 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
443 .supported_cmodes = _cmodes, \
446 .validate = _validate, \
449 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
454 .supported_cmodes = _cmodes, \
457 .validate = _validate, \
460 /* Part number, identifier of board design */
461 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
462 /* Revision of board design */
463 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
464 /* Maker of the board */
465 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
467 /* Part number, identifier of asic design */
468 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
469 /* Revision of asic design */
470 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
472 /* Overall FW version */
473 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
474 /* Control processor FW version */
475 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
476 /* Data path microcode controlling high-speed packet processing */
477 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
478 /* UNDI software version */
479 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
480 /* NCSI support/handler version */
481 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
483 struct devlink_region
;
484 struct devlink_info_req
;
486 typedef void devlink_snapshot_data_dest_t(const void *data
);
489 struct devlink_health_reporter
;
491 enum devlink_health_reporter_state
{
492 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY
,
493 DEVLINK_HEALTH_REPORTER_STATE_ERROR
,
497 * struct devlink_health_reporter_ops - Reporter operations
498 * @name: reporter name
499 * @recover: callback to recover from reported error
500 * if priv_ctx is NULL, run a full recover
501 * @dump: callback to dump an object
502 * if priv_ctx is NULL, run a full dump
503 * @diagnose: callback to diagnose the current status
506 struct devlink_health_reporter_ops
{
508 int (*recover
)(struct devlink_health_reporter
*reporter
,
510 int (*dump
)(struct devlink_health_reporter
*reporter
,
511 struct devlink_fmsg
*fmsg
, void *priv_ctx
);
512 int (*diagnose
)(struct devlink_health_reporter
*reporter
,
513 struct devlink_fmsg
*fmsg
);
517 * struct devlink_trap_group - Immutable packet trap group attributes.
518 * @name: Trap group name.
519 * @id: Trap group identifier.
520 * @generic: Whether the trap group is generic or not.
522 * Describes immutable attributes of packet trap groups that drivers register
525 struct devlink_trap_group
{
531 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
534 * struct devlink_trap - Immutable packet trap attributes.
536 * @init_action: Initial trap action.
537 * @generic: Whether the trap is generic or not.
538 * @id: Trap identifier.
540 * @group: Immutable packet trap group attributes.
541 * @metadata_cap: Metadata types that can be provided by the trap.
543 * Describes immutable attributes of packet traps that drivers register with
546 struct devlink_trap
{
547 enum devlink_trap_type type
;
548 enum devlink_trap_action init_action
;
552 struct devlink_trap_group group
;
556 /* All traps must be documented in
557 * Documentation/networking/devlink-trap.rst
559 enum devlink_trap_generic_id
{
560 DEVLINK_TRAP_GENERIC_ID_SMAC_MC
,
561 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH
,
562 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER
,
563 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER
,
564 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST
,
565 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER
,
566 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE
,
567 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR
,
568 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP
,
570 /* Add new generic trap IDs above */
571 __DEVLINK_TRAP_GENERIC_ID_MAX
,
572 DEVLINK_TRAP_GENERIC_ID_MAX
= __DEVLINK_TRAP_GENERIC_ID_MAX
- 1,
575 /* All trap groups must be documented in
576 * Documentation/networking/devlink-trap.rst
578 enum devlink_trap_group_generic_id
{
579 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS
,
580 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS
,
581 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS
,
583 /* Add new generic trap group IDs above */
584 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX
,
585 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX
=
586 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX
- 1,
589 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
590 "source_mac_is_multicast"
591 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
593 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
594 "ingress_vlan_filter"
595 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
596 "ingress_spanning_tree_filter"
597 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
599 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
600 "port_loopback_filter"
601 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
603 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
604 "ttl_value_is_too_small"
605 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
608 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
610 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
612 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
615 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group, _metadata_cap) \
617 .type = DEVLINK_TRAP_TYPE_##_type, \
618 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
620 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
621 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
623 .metadata_cap = _metadata_cap, \
626 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group, \
629 .type = DEVLINK_TRAP_TYPE_##_type, \
630 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
635 .metadata_cap = _metadata_cap, \
638 #define DEVLINK_TRAP_GROUP_GENERIC(_id) \
640 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
641 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
646 int (*reload_down
)(struct devlink
*devlink
,
647 struct netlink_ext_ack
*extack
);
648 int (*reload_up
)(struct devlink
*devlink
,
649 struct netlink_ext_ack
*extack
);
650 int (*port_type_set
)(struct devlink_port
*devlink_port
,
651 enum devlink_port_type port_type
);
652 int (*port_split
)(struct devlink
*devlink
, unsigned int port_index
,
653 unsigned int count
, struct netlink_ext_ack
*extack
);
654 int (*port_unsplit
)(struct devlink
*devlink
, unsigned int port_index
,
655 struct netlink_ext_ack
*extack
);
656 int (*sb_pool_get
)(struct devlink
*devlink
, unsigned int sb_index
,
658 struct devlink_sb_pool_info
*pool_info
);
659 int (*sb_pool_set
)(struct devlink
*devlink
, unsigned int sb_index
,
660 u16 pool_index
, u32 size
,
661 enum devlink_sb_threshold_type threshold_type
,
662 struct netlink_ext_ack
*extack
);
663 int (*sb_port_pool_get
)(struct devlink_port
*devlink_port
,
664 unsigned int sb_index
, u16 pool_index
,
666 int (*sb_port_pool_set
)(struct devlink_port
*devlink_port
,
667 unsigned int sb_index
, u16 pool_index
,
668 u32 threshold
, struct netlink_ext_ack
*extack
);
669 int (*sb_tc_pool_bind_get
)(struct devlink_port
*devlink_port
,
670 unsigned int sb_index
,
672 enum devlink_sb_pool_type pool_type
,
673 u16
*p_pool_index
, u32
*p_threshold
);
674 int (*sb_tc_pool_bind_set
)(struct devlink_port
*devlink_port
,
675 unsigned int sb_index
,
677 enum devlink_sb_pool_type pool_type
,
678 u16 pool_index
, u32 threshold
,
679 struct netlink_ext_ack
*extack
);
680 int (*sb_occ_snapshot
)(struct devlink
*devlink
,
681 unsigned int sb_index
);
682 int (*sb_occ_max_clear
)(struct devlink
*devlink
,
683 unsigned int sb_index
);
684 int (*sb_occ_port_pool_get
)(struct devlink_port
*devlink_port
,
685 unsigned int sb_index
, u16 pool_index
,
686 u32
*p_cur
, u32
*p_max
);
687 int (*sb_occ_tc_port_bind_get
)(struct devlink_port
*devlink_port
,
688 unsigned int sb_index
,
690 enum devlink_sb_pool_type pool_type
,
691 u32
*p_cur
, u32
*p_max
);
693 int (*eswitch_mode_get
)(struct devlink
*devlink
, u16
*p_mode
);
694 int (*eswitch_mode_set
)(struct devlink
*devlink
, u16 mode
,
695 struct netlink_ext_ack
*extack
);
696 int (*eswitch_inline_mode_get
)(struct devlink
*devlink
, u8
*p_inline_mode
);
697 int (*eswitch_inline_mode_set
)(struct devlink
*devlink
, u8 inline_mode
,
698 struct netlink_ext_ack
*extack
);
699 int (*eswitch_encap_mode_get
)(struct devlink
*devlink
,
700 enum devlink_eswitch_encap_mode
*p_encap_mode
);
701 int (*eswitch_encap_mode_set
)(struct devlink
*devlink
,
702 enum devlink_eswitch_encap_mode encap_mode
,
703 struct netlink_ext_ack
*extack
);
704 int (*info_get
)(struct devlink
*devlink
, struct devlink_info_req
*req
,
705 struct netlink_ext_ack
*extack
);
706 int (*flash_update
)(struct devlink
*devlink
, const char *file_name
,
707 const char *component
,
708 struct netlink_ext_ack
*extack
);
710 * @trap_init: Trap initialization function.
712 * Should be used by device drivers to initialize the trap in the
713 * underlying device. Drivers should also store the provided trap
714 * context, so that they could efficiently pass it to
715 * devlink_trap_report() when the trap is triggered.
717 int (*trap_init
)(struct devlink
*devlink
,
718 const struct devlink_trap
*trap
, void *trap_ctx
);
720 * @trap_fini: Trap de-initialization function.
722 * Should be used by device drivers to de-initialize the trap in the
725 void (*trap_fini
)(struct devlink
*devlink
,
726 const struct devlink_trap
*trap
, void *trap_ctx
);
728 * @trap_action_set: Trap action set function.
730 int (*trap_action_set
)(struct devlink
*devlink
,
731 const struct devlink_trap
*trap
,
732 enum devlink_trap_action action
);
734 * @trap_group_init: Trap group initialization function.
736 * Should be used by device drivers to initialize the trap group in the
739 int (*trap_group_init
)(struct devlink
*devlink
,
740 const struct devlink_trap_group
*group
);
743 static inline void *devlink_priv(struct devlink
*devlink
)
746 return &devlink
->priv
;
749 static inline struct devlink
*priv_to_devlink(void *priv
)
752 return container_of(priv
, struct devlink
, priv
);
755 static inline struct devlink_port
*
756 netdev_to_devlink_port(struct net_device
*dev
)
758 if (dev
->netdev_ops
->ndo_get_devlink_port
)
759 return dev
->netdev_ops
->ndo_get_devlink_port(dev
);
763 static inline struct devlink
*netdev_to_devlink(struct net_device
*dev
)
765 struct devlink_port
*devlink_port
= netdev_to_devlink_port(dev
);
768 return devlink_port
->devlink
;
774 struct devlink
*devlink_alloc(const struct devlink_ops
*ops
, size_t priv_size
);
775 int devlink_register(struct devlink
*devlink
, struct device
*dev
);
776 void devlink_unregister(struct devlink
*devlink
);
777 void devlink_free(struct devlink
*devlink
);
778 int devlink_port_register(struct devlink
*devlink
,
779 struct devlink_port
*devlink_port
,
780 unsigned int port_index
);
781 void devlink_port_unregister(struct devlink_port
*devlink_port
);
782 void devlink_port_type_eth_set(struct devlink_port
*devlink_port
,
783 struct net_device
*netdev
);
784 void devlink_port_type_ib_set(struct devlink_port
*devlink_port
,
785 struct ib_device
*ibdev
);
786 void devlink_port_type_clear(struct devlink_port
*devlink_port
);
787 void devlink_port_attrs_set(struct devlink_port
*devlink_port
,
788 enum devlink_port_flavour flavour
,
789 u32 port_number
, bool split
,
790 u32 split_subport_number
,
791 const unsigned char *switch_id
,
792 unsigned char switch_id_len
);
793 void devlink_port_attrs_pci_pf_set(struct devlink_port
*devlink_port
,
794 const unsigned char *switch_id
,
795 unsigned char switch_id_len
, u16 pf
);
796 void devlink_port_attrs_pci_vf_set(struct devlink_port
*devlink_port
,
797 const unsigned char *switch_id
,
798 unsigned char switch_id_len
,
800 int devlink_sb_register(struct devlink
*devlink
, unsigned int sb_index
,
801 u32 size
, u16 ingress_pools_count
,
802 u16 egress_pools_count
, u16 ingress_tc_count
,
803 u16 egress_tc_count
);
804 void devlink_sb_unregister(struct devlink
*devlink
, unsigned int sb_index
);
805 int devlink_dpipe_table_register(struct devlink
*devlink
,
806 const char *table_name
,
807 struct devlink_dpipe_table_ops
*table_ops
,
808 void *priv
, bool counter_control_extern
);
809 void devlink_dpipe_table_unregister(struct devlink
*devlink
,
810 const char *table_name
);
811 int devlink_dpipe_headers_register(struct devlink
*devlink
,
812 struct devlink_dpipe_headers
*dpipe_headers
);
813 void devlink_dpipe_headers_unregister(struct devlink
*devlink
);
814 bool devlink_dpipe_table_counter_enabled(struct devlink
*devlink
,
815 const char *table_name
);
816 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx
*dump_ctx
);
817 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx
*dump_ctx
,
818 struct devlink_dpipe_entry
*entry
);
819 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx
*dump_ctx
);
820 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry
*entry
);
821 int devlink_dpipe_action_put(struct sk_buff
*skb
,
822 struct devlink_dpipe_action
*action
);
823 int devlink_dpipe_match_put(struct sk_buff
*skb
,
824 struct devlink_dpipe_match
*match
);
825 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet
;
826 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4
;
827 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6
;
829 int devlink_resource_register(struct devlink
*devlink
,
830 const char *resource_name
,
833 u64 parent_resource_id
,
834 const struct devlink_resource_size_params
*size_params
);
835 void devlink_resources_unregister(struct devlink
*devlink
,
836 struct devlink_resource
*resource
);
837 int devlink_resource_size_get(struct devlink
*devlink
,
839 u64
*p_resource_size
);
840 int devlink_dpipe_table_resource_set(struct devlink
*devlink
,
841 const char *table_name
, u64 resource_id
,
843 void devlink_resource_occ_get_register(struct devlink
*devlink
,
845 devlink_resource_occ_get_t
*occ_get
,
847 void devlink_resource_occ_get_unregister(struct devlink
*devlink
,
849 int devlink_params_register(struct devlink
*devlink
,
850 const struct devlink_param
*params
,
851 size_t params_count
);
852 void devlink_params_unregister(struct devlink
*devlink
,
853 const struct devlink_param
*params
,
854 size_t params_count
);
855 void devlink_params_publish(struct devlink
*devlink
);
856 void devlink_params_unpublish(struct devlink
*devlink
);
857 int devlink_port_params_register(struct devlink_port
*devlink_port
,
858 const struct devlink_param
*params
,
859 size_t params_count
);
860 void devlink_port_params_unregister(struct devlink_port
*devlink_port
,
861 const struct devlink_param
*params
,
862 size_t params_count
);
863 int devlink_param_driverinit_value_get(struct devlink
*devlink
, u32 param_id
,
864 union devlink_param_value
*init_val
);
865 int devlink_param_driverinit_value_set(struct devlink
*devlink
, u32 param_id
,
866 union devlink_param_value init_val
);
868 devlink_port_param_driverinit_value_get(struct devlink_port
*devlink_port
,
870 union devlink_param_value
*init_val
);
871 int devlink_port_param_driverinit_value_set(struct devlink_port
*devlink_port
,
873 union devlink_param_value init_val
);
874 void devlink_param_value_changed(struct devlink
*devlink
, u32 param_id
);
875 void devlink_port_param_value_changed(struct devlink_port
*devlink_port
,
877 void devlink_param_value_str_fill(union devlink_param_value
*dst_val
,
879 struct devlink_region
*devlink_region_create(struct devlink
*devlink
,
880 const char *region_name
,
881 u32 region_max_snapshots
,
883 void devlink_region_destroy(struct devlink_region
*region
);
884 u32
devlink_region_shapshot_id_get(struct devlink
*devlink
);
885 int devlink_region_snapshot_create(struct devlink_region
*region
,
886 u8
*data
, u32 snapshot_id
,
887 devlink_snapshot_data_dest_t
*data_destructor
);
888 int devlink_info_serial_number_put(struct devlink_info_req
*req
,
890 int devlink_info_driver_name_put(struct devlink_info_req
*req
,
892 int devlink_info_version_fixed_put(struct devlink_info_req
*req
,
893 const char *version_name
,
894 const char *version_value
);
895 int devlink_info_version_stored_put(struct devlink_info_req
*req
,
896 const char *version_name
,
897 const char *version_value
);
898 int devlink_info_version_running_put(struct devlink_info_req
*req
,
899 const char *version_name
,
900 const char *version_value
);
902 int devlink_fmsg_obj_nest_start(struct devlink_fmsg
*fmsg
);
903 int devlink_fmsg_obj_nest_end(struct devlink_fmsg
*fmsg
);
905 int devlink_fmsg_pair_nest_start(struct devlink_fmsg
*fmsg
, const char *name
);
906 int devlink_fmsg_pair_nest_end(struct devlink_fmsg
*fmsg
);
908 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg
*fmsg
,
910 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg
*fmsg
);
912 int devlink_fmsg_bool_put(struct devlink_fmsg
*fmsg
, bool value
);
913 int devlink_fmsg_u8_put(struct devlink_fmsg
*fmsg
, u8 value
);
914 int devlink_fmsg_u32_put(struct devlink_fmsg
*fmsg
, u32 value
);
915 int devlink_fmsg_u64_put(struct devlink_fmsg
*fmsg
, u64 value
);
916 int devlink_fmsg_string_put(struct devlink_fmsg
*fmsg
, const char *value
);
917 int devlink_fmsg_binary_put(struct devlink_fmsg
*fmsg
, const void *value
,
920 int devlink_fmsg_bool_pair_put(struct devlink_fmsg
*fmsg
, const char *name
,
922 int devlink_fmsg_u8_pair_put(struct devlink_fmsg
*fmsg
, const char *name
,
924 int devlink_fmsg_u32_pair_put(struct devlink_fmsg
*fmsg
, const char *name
,
926 int devlink_fmsg_u64_pair_put(struct devlink_fmsg
*fmsg
, const char *name
,
928 int devlink_fmsg_string_pair_put(struct devlink_fmsg
*fmsg
, const char *name
,
930 int devlink_fmsg_binary_pair_put(struct devlink_fmsg
*fmsg
, const char *name
,
931 const void *value
, u16 value_len
);
933 struct devlink_health_reporter
*
934 devlink_health_reporter_create(struct devlink
*devlink
,
935 const struct devlink_health_reporter_ops
*ops
,
936 u64 graceful_period
, bool auto_recover
,
939 devlink_health_reporter_destroy(struct devlink_health_reporter
*reporter
);
942 devlink_health_reporter_priv(struct devlink_health_reporter
*reporter
);
943 int devlink_health_report(struct devlink_health_reporter
*reporter
,
944 const char *msg
, void *priv_ctx
);
946 devlink_health_reporter_state_update(struct devlink_health_reporter
*reporter
,
947 enum devlink_health_reporter_state state
);
949 bool devlink_is_reload_failed(const struct devlink
*devlink
);
951 void devlink_flash_update_begin_notify(struct devlink
*devlink
);
952 void devlink_flash_update_end_notify(struct devlink
*devlink
);
953 void devlink_flash_update_status_notify(struct devlink
*devlink
,
954 const char *status_msg
,
955 const char *component
,
957 unsigned long total
);
959 int devlink_traps_register(struct devlink
*devlink
,
960 const struct devlink_trap
*traps
,
961 size_t traps_count
, void *priv
);
962 void devlink_traps_unregister(struct devlink
*devlink
,
963 const struct devlink_trap
*traps
,
965 void devlink_trap_report(struct devlink
*devlink
,
966 struct sk_buff
*skb
, void *trap_ctx
,
967 struct devlink_port
*in_devlink_port
);
968 void *devlink_trap_ctx_priv(void *trap_ctx
);
970 #if IS_ENABLED(CONFIG_NET_DEVLINK)
972 void devlink_compat_running_version(struct net_device
*dev
,
973 char *buf
, size_t len
);
974 int devlink_compat_flash_update(struct net_device
*dev
, const char *file_name
);
975 int devlink_compat_phys_port_name_get(struct net_device
*dev
,
976 char *name
, size_t len
);
977 int devlink_compat_switch_id_get(struct net_device
*dev
,
978 struct netdev_phys_item_id
*ppid
);
983 devlink_compat_running_version(struct net_device
*dev
, char *buf
, size_t len
)
988 devlink_compat_flash_update(struct net_device
*dev
, const char *file_name
)
994 devlink_compat_phys_port_name_get(struct net_device
*dev
,
995 char *name
, size_t len
)
1001 devlink_compat_switch_id_get(struct net_device
*dev
,
1002 struct netdev_phys_item_id
*ppid
)
1009 #endif /* _NET_DEVLINK_H_ */