1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
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>
6 */
7 #ifndef _NET_DEVLINK_H_
8 #define _NET_DEVLINK_H_
9
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>
23
24 struct devlink;
25 struct devlink_linecard;
26
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.
31 */
32 u32 split_subport_number; /* If the port is split, this is the number of subport. */
33 };
34
35 /**
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
40 */
41 struct devlink_port_pci_pf_attrs {
42 u32 controller;
43 u16 pf;
44 u8 external:1;
45 };
46
47 /**
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
54 */
55 struct devlink_port_pci_vf_attrs {
56 u32 controller;
57 u16 pf;
58 u16 vf;
59 u8 external:1;
60 };
61
62 /**
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
68 */
69 struct devlink_port_pci_sf_attrs {
70 u32 controller;
71 u32 sf;
72 u16 pf;
73 u8 external:1;
74 };
75
76 /**
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 * @no_phys_port_name: skip automatic phys_port_name generation; for
82 * compatibility only, newly added driver/port instance
83 * should never set this.
84 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
85 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
86 * @phys: physical port attributes
87 * @pci_pf: PCI PF port attributes
88 * @pci_vf: PCI VF port attributes
89 * @pci_sf: PCI SF port attributes
90 */
91 struct devlink_port_attrs {
92 u8 split:1,
93 splittable:1,
94 no_phys_port_name:1;
95 u32 lanes;
96 enum devlink_port_flavour flavour;
97 struct netdev_phys_item_id switch_id;
98 union {
99 struct devlink_port_phys_attrs phys;
100 struct devlink_port_pci_pf_attrs pci_pf;
101 struct devlink_port_pci_vf_attrs pci_vf;
102 struct devlink_port_pci_sf_attrs pci_sf;
103 };
104 };
105
106 struct devlink_rate {
107 struct list_head list;
108 enum devlink_rate_type type;
109 struct devlink *devlink;
110 void *priv;
111 u64 tx_share;
112 u64 tx_max;
113
114 struct devlink_rate *parent;
115 union {
116 struct devlink_port *devlink_port;
117 struct {
118 char *name;
119 refcount_t refcnt;
120 };
121 };
122
123 u32 tx_priority;
124 u32 tx_weight;
125
126 u32 tc_bw[DEVLINK_RATE_TCS_MAX];
127 };
128
129 struct devlink_port {
130 struct list_head list;
131 struct list_head region_list;
132 struct devlink *devlink;
133 const struct devlink_port_ops *ops;
134 unsigned int index;
135 spinlock_t type_lock; /* Protects type and type_eth/ib
136 * structures consistency.
137 */
138 enum devlink_port_type type;
139 enum devlink_port_type desired_type;
140 union {
141 struct {
142 struct net_device *netdev;
143 int ifindex;
144 char ifname[IFNAMSIZ];
145 } type_eth;
146 struct {
147 struct ib_device *ibdev;
148 } type_ib;
149 };
150 struct devlink_port_attrs attrs;
151 u8 attrs_set:1,
152 switch_port:1,
153 registered:1,
154 initialized:1;
155 struct delayed_work type_warn_dw;
156 struct list_head reporter_list;
157
158 struct devlink_rate *devlink_rate;
159 struct devlink_linecard *linecard;
160 u32 rel_index;
161 };
162
163 struct devlink_port_new_attrs {
164 enum devlink_port_flavour flavour;
165 unsigned int port_index;
166 u32 controller;
167 u32 sfnum;
168 u16 pfnum;
169 u8 port_index_valid:1,
170 controller_valid:1,
171 sfnum_valid:1;
172 };
173
174 /**
175 * struct devlink_linecard_ops - Linecard operations
176 * @provision: callback to provision the linecard slot with certain
177 * type of linecard. As a result of this operation,
178 * driver is expected to eventually (could be after
179 * the function call returns) call one of:
180 * devlink_linecard_provision_set()
181 * devlink_linecard_provision_fail()
182 * @unprovision: callback to unprovision the linecard slot. As a result
183 * of this operation, driver is expected to eventually
184 * (could be after the function call returns) call
185 * devlink_linecard_provision_clear()
186 * devlink_linecard_provision_fail()
187 * @same_provision: callback to ask the driver if linecard is already
188 * provisioned in the same way user asks this linecard to be
189 * provisioned.
190 * @types_count: callback to get number of supported types
191 * @types_get: callback to get next type in list
192 */
193 struct devlink_linecard_ops {
194 int (*provision)(struct devlink_linecard *linecard, void *priv,
195 const char *type, const void *type_priv,
196 struct netlink_ext_ack *extack);
197 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
198 struct netlink_ext_ack *extack);
199 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
200 const char *type, const void *type_priv);
201 unsigned int (*types_count)(struct devlink_linecard *linecard,
202 void *priv);
203 void (*types_get)(struct devlink_linecard *linecard,
204 void *priv, unsigned int index, const char **type,
205 const void **type_priv);
206 };
207
208 struct devlink_sb_pool_info {
209 enum devlink_sb_pool_type pool_type;
210 u32 size;
211 enum devlink_sb_threshold_type threshold_type;
212 u32 cell_size;
213 };
214
215 /**
216 * struct devlink_dpipe_field - dpipe field object
217 * @name: field name
218 * @id: index inside the headers field array
219 * @bitwidth: bitwidth
220 * @mapping_type: mapping type
221 */
222 struct devlink_dpipe_field {
223 const char *name;
224 unsigned int id;
225 unsigned int bitwidth;
226 enum devlink_dpipe_field_mapping_type mapping_type;
227 };
228
229 /**
230 * struct devlink_dpipe_header - dpipe header object
231 * @name: header name
232 * @id: index, global/local determined by global bit
233 * @fields: fields
234 * @fields_count: number of fields
235 * @global: indicates if header is shared like most protocol header
236 * or driver specific
237 */
238 struct devlink_dpipe_header {
239 const char *name;
240 unsigned int id;
241 struct devlink_dpipe_field *fields;
242 unsigned int fields_count;
243 bool global;
244 };
245
246 /**
247 * struct devlink_dpipe_match - represents match operation
248 * @type: type of match
249 * @header_index: header index (packets can have several headers of same
250 * type like in case of tunnels)
251 * @header: header
252 * @field_id: field index
253 */
254 struct devlink_dpipe_match {
255 enum devlink_dpipe_match_type type;
256 unsigned int header_index;
257 struct devlink_dpipe_header *header;
258 unsigned int field_id;
259 };
260
261 /**
262 * struct devlink_dpipe_action - represents action operation
263 * @type: type of action
264 * @header_index: header index (packets can have several headers of same
265 * type like in case of tunnels)
266 * @header: header
267 * @field_id: field index
268 */
269 struct devlink_dpipe_action {
270 enum devlink_dpipe_action_type type;
271 unsigned int header_index;
272 struct devlink_dpipe_header *header;
273 unsigned int field_id;
274 };
275
276 /**
277 * struct devlink_dpipe_value - represents value of match/action
278 * @action: action
279 * @match: match
280 * @mapping_value: in case the field has some mapping this value
281 * specified the mapping value
282 * @mapping_valid: specify if mapping value is valid
283 * @value_size: value size
284 * @value: value
285 * @mask: bit mask
286 */
287 struct devlink_dpipe_value {
288 union {
289 struct devlink_dpipe_action *action;
290 struct devlink_dpipe_match *match;
291 };
292 unsigned int mapping_value;
293 bool mapping_valid;
294 unsigned int value_size;
295 void *value;
296 void *mask;
297 };
298
299 /**
300 * struct devlink_dpipe_entry - table entry object
301 * @index: index of the entry in the table
302 * @match_values: match values
303 * @match_values_count: count of matches tuples
304 * @action_values: actions values
305 * @action_values_count: count of actions values
306 * @counter: value of counter
307 * @counter_valid: Specify if value is valid from hardware
308 */
309 struct devlink_dpipe_entry {
310 u64 index;
311 struct devlink_dpipe_value *match_values;
312 unsigned int match_values_count;
313 struct devlink_dpipe_value *action_values;
314 unsigned int action_values_count;
315 u64 counter;
316 bool counter_valid;
317 };
318
319 /**
320 * struct devlink_dpipe_dump_ctx - context provided to driver in order
321 * to dump
322 * @info: info
323 * @cmd: devlink command
324 * @skb: skb
325 * @nest: top attribute
326 * @hdr: hdr
327 */
328 struct devlink_dpipe_dump_ctx {
329 struct genl_info *info;
330 enum devlink_command cmd;
331 struct sk_buff *skb;
332 struct nlattr *nest;
333 void *hdr;
334 };
335
336 struct devlink_dpipe_table_ops;
337
338 /**
339 * struct devlink_dpipe_table - table object
340 * @priv: private
341 * @name: table name
342 * @counters_enabled: indicates if counters are active
343 * @counter_control_extern: indicates if counter control is in dpipe or
344 * external tool
345 * @resource_valid: Indicate that the resource id is valid
346 * @resource_id: relative resource this table is related to
347 * @resource_units: number of resource's unit consumed per table's entry
348 * @table_ops: table operations
349 * @rcu: rcu
350 */
351 struct devlink_dpipe_table {
352 void *priv;
353 /* private: */
354 struct list_head list;
355 /* public: */
356 const char *name;
357 bool counters_enabled;
358 bool counter_control_extern;
359 bool resource_valid;
360 u64 resource_id;
361 u64 resource_units;
362 const struct devlink_dpipe_table_ops *table_ops;
363 struct rcu_head rcu;
364 };
365
366 /**
367 * struct devlink_dpipe_table_ops - dpipe_table ops
368 * @actions_dump: dumps all tables actions
369 * @matches_dump: dumps all tables matches
370 * @entries_dump: dumps all active entries in the table
371 * @counters_set_update: when changing the counter status hardware sync
372 * maybe needed to allocate/free counter related
373 * resources
374 * @size_get: get size
375 */
376 struct devlink_dpipe_table_ops {
377 int (*actions_dump)(void *priv, struct sk_buff *skb);
378 int (*matches_dump)(void *priv, struct sk_buff *skb);
379 int (*entries_dump)(void *priv, bool counters_enabled,
380 struct devlink_dpipe_dump_ctx *dump_ctx);
381 int (*counters_set_update)(void *priv, bool enable);
382 u64 (*size_get)(void *priv);
383 };
384
385 /**
386 * struct devlink_dpipe_headers - dpipe headers
387 * @headers: header array can be shared (global bit) or driver specific
388 * @headers_count: count of headers
389 */
390 struct devlink_dpipe_headers {
391 struct devlink_dpipe_header **headers;
392 unsigned int headers_count;
393 };
394
395 /**
396 * struct devlink_resource_size_params - resource's size parameters
397 * @size_min: minimum size which can be set
398 * @size_max: maximum size which can be set
399 * @size_granularity: size granularity
400 * @unit: resource's basic unit
401 */
402 struct devlink_resource_size_params {
403 u64 size_min;
404 u64 size_max;
405 u64 size_granularity;
406 enum devlink_resource_unit unit;
407 };
408
409 static inline void
devlink_resource_size_params_init(struct devlink_resource_size_params * size_params,u64 size_min,u64 size_max,u64 size_granularity,enum devlink_resource_unit unit)410 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
411 u64 size_min, u64 size_max,
412 u64 size_granularity,
413 enum devlink_resource_unit unit)
414 {
415 size_params->size_min = size_min;
416 size_params->size_max = size_max;
417 size_params->size_granularity = size_granularity;
418 size_params->unit = unit;
419 }
420
421 typedef u64 devlink_resource_occ_get_t(void *priv);
422
423 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0
424
425 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
426
427 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32
428 enum devlink_param_type {
429 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8,
430 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16,
431 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32,
432 DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64,
433 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING,
434 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG,
435 };
436
437 union devlink_param_value {
438 u8 vu8;
439 u16 vu16;
440 u32 vu32;
441 u64 vu64;
442 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
443 bool vbool;
444 };
445
446 struct devlink_param_gset_ctx {
447 union devlink_param_value val;
448 enum devlink_param_cmode cmode;
449 };
450
451 /**
452 * struct devlink_flash_notify - devlink dev flash notify data
453 * @status_msg: current status string
454 * @component: firmware component being updated
455 * @done: amount of work completed of total amount
456 * @total: amount of work expected to be done
457 * @timeout: expected max timeout in seconds
458 *
459 * These are values to be given to userland to be displayed in order
460 * to show current activity in a firmware update process.
461 */
462 struct devlink_flash_notify {
463 const char *status_msg;
464 const char *component;
465 unsigned long done;
466 unsigned long total;
467 unsigned long timeout;
468 };
469
470 /**
471 * struct devlink_param - devlink configuration parameter data
472 * @id: devlink parameter id number
473 * @name: name of the parameter
474 * @generic: indicates if the parameter is generic or driver specific
475 * @type: parameter type
476 * @supported_cmodes: bitmap of supported configuration modes
477 * @get: get parameter value, used for runtime and permanent
478 * configuration modes
479 * @set: set parameter value, used for runtime and permanent
480 * configuration modes
481 * @validate: validate input value is applicable (within value range, etc.)
482 * @get_default: get parameter default value, used for runtime and permanent
483 * configuration modes
484 * @reset_default: reset parameter to default value, used for runtime and permanent
485 * configuration modes
486 *
487 * This struct should be used by the driver to fill the data for
488 * a parameter it registers.
489 */
490 struct devlink_param {
491 u32 id;
492 const char *name;
493 bool generic;
494 enum devlink_param_type type;
495 unsigned long supported_cmodes;
496 int (*get)(struct devlink *devlink, u32 id,
497 struct devlink_param_gset_ctx *ctx,
498 struct netlink_ext_ack *extack);
499 int (*set)(struct devlink *devlink, u32 id,
500 struct devlink_param_gset_ctx *ctx,
501 struct netlink_ext_ack *extack);
502 int (*validate)(struct devlink *devlink, u32 id,
503 union devlink_param_value val,
504 struct netlink_ext_ack *extack);
505 int (*get_default)(struct devlink *devlink, u32 id,
506 struct devlink_param_gset_ctx *ctx,
507 struct netlink_ext_ack *extack);
508 int (*reset_default)(struct devlink *devlink, u32 id,
509 enum devlink_param_cmode cmode,
510 struct netlink_ext_ack *extack);
511 };
512
513 struct devlink_param_item {
514 struct list_head list;
515 const struct devlink_param *param;
516 union devlink_param_value driverinit_value;
517 bool driverinit_value_valid;
518 union devlink_param_value driverinit_value_new; /* Not reachable
519 * until reload.
520 */
521 bool driverinit_value_new_valid;
522 union devlink_param_value driverinit_default;
523 };
524
525 enum devlink_param_generic_id {
526 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
527 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
528 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
529 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
530 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
531 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
532 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
533 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
534 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
535 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
536 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
537 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
538 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
539 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
540 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
541 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
542 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
543 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
544 DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
545 DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS,
546 DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS,
547 DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF,
548
549 /* add new param generic ids above here*/
550 __DEVLINK_PARAM_GENERIC_ID_MAX,
551 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
552 };
553
554 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
555 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
556
557 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
558 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
559
560 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
561 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
562
563 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
564 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
565
566 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
567 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
568
569 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
570 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
571
572 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
573 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
574
575 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
576 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
577
578 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
579 "reset_dev_on_drv_probe"
580 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
581
582 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
583 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
584
585 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
586 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
587
588 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
589 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
590
591 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
592 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
593
594 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
595 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
596
597 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
598 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
599
600 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
601 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
602
603 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
604 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
605
606 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
607 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
608
609 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
610 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
611
612 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME "total_vfs"
613 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE DEVLINK_PARAM_TYPE_U32
614
615 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME "num_doorbells"
616 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE DEVLINK_PARAM_TYPE_U32
617
618 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME "max_mac_per_vf"
619 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE DEVLINK_PARAM_TYPE_U32
620
621 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
622 { \
623 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
624 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
625 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
626 .generic = true, \
627 .supported_cmodes = _cmodes, \
628 .get = _get, \
629 .set = _set, \
630 .validate = _validate, \
631 }
632
633 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
634 { \
635 .id = _id, \
636 .name = _name, \
637 .type = _type, \
638 .supported_cmodes = _cmodes, \
639 .get = _get, \
640 .set = _set, \
641 .validate = _validate, \
642 }
643
644 #define DEVLINK_PARAM_GENERIC_WITH_DEFAULTS(_id, _cmodes, _get, _set, \
645 _validate, _get_default, \
646 _reset_default) \
647 { \
648 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
649 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
650 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
651 .generic = true, \
652 .supported_cmodes = _cmodes, \
653 .get = _get, \
654 .set = _set, \
655 .validate = _validate, \
656 .get_default = _get_default, \
657 .reset_default = _reset_default, \
658 }
659
660 #define DEVLINK_PARAM_DRIVER_WITH_DEFAULTS(_id, _name, _type, _cmodes, \
661 _get, _set, _validate, \
662 _get_default, _reset_default) \
663 { \
664 .id = _id, \
665 .name = _name, \
666 .type = _type, \
667 .supported_cmodes = _cmodes, \
668 .get = _get, \
669 .set = _set, \
670 .validate = _validate, \
671 .get_default = _get_default, \
672 .reset_default = _reset_default, \
673 }
674
675 /* Identifier of board design */
676 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
677 /* Revision of board design */
678 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
679 /* Maker of the board */
680 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
681 /* Part number of the board and its components */
682 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number"
683
684 /* Part number, identifier of asic design */
685 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
686 /* Revision of asic design */
687 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
688
689 /* Overall FW version */
690 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
691 /* Control processor FW version */
692 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
693 /* FW interface specification version */
694 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
695 /* Data path microcode controlling high-speed packet processing */
696 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
697 /* UNDI software version */
698 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
699 /* NCSI support/handler version */
700 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
701 /* FW parameter set id */
702 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
703 /* RoCE FW version */
704 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
705 /* Firmware bundle identifier */
706 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
707 /* Bootloader */
708 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
709
710 /**
711 * struct devlink_flash_update_params - Flash Update parameters
712 * @fw: pointer to the firmware data to update from
713 * @component: the flash component to update
714 * @overwrite_mask: which types of flash update are supported (may be %0)
715 *
716 * With the exception of fw, drivers must opt-in to parameters by
717 * setting the appropriate bit in the supported_flash_update_params field in
718 * their devlink_ops structure.
719 */
720 struct devlink_flash_update_params {
721 const struct firmware *fw;
722 const char *component;
723 u32 overwrite_mask;
724 };
725
726 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
727
728 struct devlink_region;
729 struct devlink_info_req;
730
731 /**
732 * struct devlink_region_ops - Region operations
733 * @name: region name
734 * @destructor: callback used to free snapshot memory when deleting
735 * @snapshot: callback to request an immediate snapshot. On success,
736 * the data variable must be updated to point to the snapshot data.
737 * The function will be called while the devlink instance lock is
738 * held.
739 * @read: callback to directly read a portion of the region. On success,
740 * the data pointer will be updated with the contents of the
741 * requested portion of the region. The function will be called
742 * while the devlink instance lock is held.
743 * @priv: Pointer to driver private data for the region operation
744 */
745 struct devlink_region_ops {
746 const char *name;
747 void (*destructor)(const void *data);
748 int (*snapshot)(struct devlink *devlink,
749 const struct devlink_region_ops *ops,
750 struct netlink_ext_ack *extack,
751 u8 **data);
752 int (*read)(struct devlink *devlink,
753 const struct devlink_region_ops *ops,
754 struct netlink_ext_ack *extack,
755 u64 offset, u32 size, u8 *data);
756 void *priv;
757 };
758
759 /**
760 * struct devlink_port_region_ops - Region operations for a port
761 * @name: region name
762 * @destructor: callback used to free snapshot memory when deleting
763 * @snapshot: callback to request an immediate snapshot. On success,
764 * the data variable must be updated to point to the snapshot data.
765 * The function will be called while the devlink instance lock is
766 * held.
767 * @read: callback to directly read a portion of the region. On success,
768 * the data pointer will be updated with the contents of the
769 * requested portion of the region. The function will be called
770 * while the devlink instance lock is held.
771 * @priv: Pointer to driver private data for the region operation
772 */
773 struct devlink_port_region_ops {
774 const char *name;
775 void (*destructor)(const void *data);
776 int (*snapshot)(struct devlink_port *port,
777 const struct devlink_port_region_ops *ops,
778 struct netlink_ext_ack *extack,
779 u8 **data);
780 int (*read)(struct devlink_port *port,
781 const struct devlink_port_region_ops *ops,
782 struct netlink_ext_ack *extack,
783 u64 offset, u32 size, u8 *data);
784 void *priv;
785 };
786
787 struct devlink_fmsg;
788 struct devlink_health_reporter;
789
790 enum devlink_health_reporter_state {
791 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
792 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
793 };
794
795 /**
796 * struct devlink_health_reporter_ops - Reporter operations
797 * @name: reporter name
798 * @recover: callback to recover from reported error
799 * if priv_ctx is NULL, run a full recover
800 * @dump: callback to dump an object
801 * if priv_ctx is NULL, run a full dump
802 * @diagnose: callback to diagnose the current status
803 * @test: callback to trigger a test event
804 * @default_graceful_period: default min time (in msec)
805 * between recovery attempts
806 * @default_burst_period: default time (in msec) for
807 * error recoveries before starting the grace period
808 */
809
810 struct devlink_health_reporter_ops {
811 char *name;
812 int (*recover)(struct devlink_health_reporter *reporter,
813 void *priv_ctx, struct netlink_ext_ack *extack);
814 int (*dump)(struct devlink_health_reporter *reporter,
815 struct devlink_fmsg *fmsg, void *priv_ctx,
816 struct netlink_ext_ack *extack);
817 int (*diagnose)(struct devlink_health_reporter *reporter,
818 struct devlink_fmsg *fmsg,
819 struct netlink_ext_ack *extack);
820 int (*test)(struct devlink_health_reporter *reporter,
821 struct netlink_ext_ack *extack);
822 u64 default_graceful_period;
823 u64 default_burst_period;
824 };
825
826 /**
827 * struct devlink_trap_metadata - Packet trap metadata.
828 * @trap_name: Trap name.
829 * @trap_group_name: Trap group name.
830 * @input_dev: Input netdevice.
831 * @dev_tracker: refcount tracker for @input_dev.
832 * @fa_cookie: Flow action user cookie.
833 * @trap_type: Trap type.
834 */
835 struct devlink_trap_metadata {
836 const char *trap_name;
837 const char *trap_group_name;
838
839 struct net_device *input_dev;
840 netdevice_tracker dev_tracker;
841
842 const struct flow_action_cookie *fa_cookie;
843 enum devlink_trap_type trap_type;
844 };
845
846 /**
847 * struct devlink_trap_policer - Immutable packet trap policer attributes.
848 * @id: Policer identifier.
849 * @init_rate: Initial rate in packets / sec.
850 * @init_burst: Initial burst size in packets.
851 * @max_rate: Maximum rate.
852 * @min_rate: Minimum rate.
853 * @max_burst: Maximum burst size.
854 * @min_burst: Minimum burst size.
855 *
856 * Describes immutable attributes of packet trap policers that drivers register
857 * with devlink.
858 */
859 struct devlink_trap_policer {
860 u32 id;
861 u64 init_rate;
862 u64 init_burst;
863 u64 max_rate;
864 u64 min_rate;
865 u64 max_burst;
866 u64 min_burst;
867 };
868
869 /**
870 * struct devlink_trap_group - Immutable packet trap group attributes.
871 * @name: Trap group name.
872 * @id: Trap group identifier.
873 * @generic: Whether the trap group is generic or not.
874 * @init_policer_id: Initial policer identifier.
875 *
876 * Describes immutable attributes of packet trap groups that drivers register
877 * with devlink.
878 */
879 struct devlink_trap_group {
880 const char *name;
881 u16 id;
882 bool generic;
883 u32 init_policer_id;
884 };
885
886 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
887 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
888
889 /**
890 * struct devlink_trap - Immutable packet trap attributes.
891 * @type: Trap type.
892 * @init_action: Initial trap action.
893 * @generic: Whether the trap is generic or not.
894 * @id: Trap identifier.
895 * @name: Trap name.
896 * @init_group_id: Initial group identifier.
897 * @metadata_cap: Metadata types that can be provided by the trap.
898 *
899 * Describes immutable attributes of packet traps that drivers register with
900 * devlink.
901 */
902 struct devlink_trap {
903 enum devlink_trap_type type;
904 enum devlink_trap_action init_action;
905 bool generic;
906 u16 id;
907 const char *name;
908 u16 init_group_id;
909 u32 metadata_cap;
910 };
911
912 /* All traps must be documented in
913 * Documentation/networking/devlink/devlink-trap.rst
914 */
915 enum devlink_trap_generic_id {
916 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
917 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
918 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
919 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
920 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
921 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
922 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
923 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
924 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
925 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
926 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
927 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
928 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
929 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
930 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
931 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
932 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
933 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
934 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
935 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
936 DEVLINK_TRAP_GENERIC_ID_RPF,
937 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
938 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
939 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
940 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
941 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
942 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
943 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
944 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
945 DEVLINK_TRAP_GENERIC_ID_STP,
946 DEVLINK_TRAP_GENERIC_ID_LACP,
947 DEVLINK_TRAP_GENERIC_ID_LLDP,
948 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
949 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
950 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
951 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
952 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
953 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
954 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
955 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
956 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
957 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
958 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
959 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
960 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
961 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
962 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
963 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
964 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
965 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
966 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
967 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
968 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
969 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
970 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
971 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
972 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
973 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
974 DEVLINK_TRAP_GENERIC_ID_UC_LB,
975 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
976 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
977 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
978 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
979 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
980 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
981 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
982 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
983 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
984 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
985 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
986 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
987 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
988 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
989 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
990 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
991 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
992 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
993 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
994 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
995 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
996 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
997 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
998 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
999 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
1000 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
1001 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
1002 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
1003 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
1004 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
1005 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
1006 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
1007 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
1008 DEVLINK_TRAP_GENERIC_ID_EAPOL,
1009 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
1010
1011 /* Add new generic trap IDs above */
1012 __DEVLINK_TRAP_GENERIC_ID_MAX,
1013 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
1014 };
1015
1016 /* All trap groups must be documented in
1017 * Documentation/networking/devlink/devlink-trap.rst
1018 */
1019 enum devlink_trap_group_generic_id {
1020 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
1021 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
1022 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
1023 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
1024 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
1025 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
1026 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
1027 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
1028 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
1029 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
1030 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
1031 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
1032 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
1033 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
1034 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
1035 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
1036 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
1037 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
1038 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
1039 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
1040 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
1041 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
1042 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
1043 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
1044 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
1045 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
1046 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
1047
1048 /* Add new generic trap group IDs above */
1049 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
1050 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
1051 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
1052 };
1053
1054 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
1055 "source_mac_is_multicast"
1056 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
1057 "vlan_tag_mismatch"
1058 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
1059 "ingress_vlan_filter"
1060 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
1061 "ingress_spanning_tree_filter"
1062 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
1063 "port_list_is_empty"
1064 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
1065 "port_loopback_filter"
1066 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
1067 "blackhole_route"
1068 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
1069 "ttl_value_is_too_small"
1070 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
1071 "tail_drop"
1072 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
1073 "non_ip"
1074 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
1075 "uc_dip_over_mc_dmac"
1076 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
1077 "dip_is_loopback_address"
1078 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
1079 "sip_is_mc"
1080 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
1081 "sip_is_loopback_address"
1082 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
1083 "ip_header_corrupted"
1084 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
1085 "ipv4_sip_is_limited_bc"
1086 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1087 "ipv6_mc_dip_reserved_scope"
1088 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1089 "ipv6_mc_dip_interface_local_scope"
1090 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1091 "mtu_value_is_too_small"
1092 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1093 "unresolved_neigh"
1094 #define DEVLINK_TRAP_GENERIC_NAME_RPF \
1095 "mc_reverse_path_forwarding"
1096 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1097 "reject_route"
1098 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1099 "ipv4_lpm_miss"
1100 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1101 "ipv6_lpm_miss"
1102 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1103 "non_routable_packet"
1104 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1105 "decap_error"
1106 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1107 "overlay_smac_is_mc"
1108 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1109 "ingress_flow_action_drop"
1110 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1111 "egress_flow_action_drop"
1112 #define DEVLINK_TRAP_GENERIC_NAME_STP \
1113 "stp"
1114 #define DEVLINK_TRAP_GENERIC_NAME_LACP \
1115 "lacp"
1116 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1117 "lldp"
1118 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1119 "igmp_query"
1120 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1121 "igmp_v1_report"
1122 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1123 "igmp_v2_report"
1124 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1125 "igmp_v3_report"
1126 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1127 "igmp_v2_leave"
1128 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1129 "mld_query"
1130 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1131 "mld_v1_report"
1132 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1133 "mld_v2_report"
1134 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1135 "mld_v1_done"
1136 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1137 "ipv4_dhcp"
1138 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1139 "ipv6_dhcp"
1140 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1141 "arp_request"
1142 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1143 "arp_response"
1144 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1145 "arp_overlay"
1146 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1147 "ipv6_neigh_solicit"
1148 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1149 "ipv6_neigh_advert"
1150 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1151 "ipv4_bfd"
1152 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1153 "ipv6_bfd"
1154 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1155 "ipv4_ospf"
1156 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1157 "ipv6_ospf"
1158 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1159 "ipv4_bgp"
1160 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1161 "ipv6_bgp"
1162 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1163 "ipv4_vrrp"
1164 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1165 "ipv6_vrrp"
1166 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1167 "ipv4_pim"
1168 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1169 "ipv6_pim"
1170 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1171 "uc_loopback"
1172 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1173 "local_route"
1174 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1175 "external_route"
1176 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1177 "ipv6_uc_dip_link_local_scope"
1178 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1179 "ipv6_dip_all_nodes"
1180 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1181 "ipv6_dip_all_routers"
1182 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1183 "ipv6_router_solicit"
1184 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1185 "ipv6_router_advert"
1186 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1187 "ipv6_redirect"
1188 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1189 "ipv4_router_alert"
1190 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1191 "ipv6_router_alert"
1192 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1193 "ptp_event"
1194 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1195 "ptp_general"
1196 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1197 "flow_action_sample"
1198 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1199 "flow_action_trap"
1200 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1201 "early_drop"
1202 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1203 "vxlan_parsing"
1204 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1205 "llc_snap_parsing"
1206 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1207 "vlan_parsing"
1208 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1209 "pppoe_ppp_parsing"
1210 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1211 "mpls_parsing"
1212 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1213 "arp_parsing"
1214 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1215 "ip_1_parsing"
1216 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1217 "ip_n_parsing"
1218 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1219 "gre_parsing"
1220 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1221 "udp_parsing"
1222 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1223 "tcp_parsing"
1224 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1225 "ipsec_parsing"
1226 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1227 "sctp_parsing"
1228 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1229 "dccp_parsing"
1230 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1231 "gtp_parsing"
1232 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1233 "esp_parsing"
1234 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1235 "blackhole_nexthop"
1236 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1237 "dmac_filter"
1238 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1239 "eapol"
1240 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1241 "locked_port"
1242
1243 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1244 "l2_drops"
1245 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1246 "l3_drops"
1247 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1248 "l3_exceptions"
1249 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1250 "buffer_drops"
1251 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1252 "tunnel_drops"
1253 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1254 "acl_drops"
1255 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1256 "stp"
1257 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1258 "lacp"
1259 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1260 "lldp"
1261 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1262 "mc_snooping"
1263 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1264 "dhcp"
1265 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1266 "neigh_discovery"
1267 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1268 "bfd"
1269 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1270 "ospf"
1271 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1272 "bgp"
1273 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1274 "vrrp"
1275 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1276 "pim"
1277 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1278 "uc_loopback"
1279 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1280 "local_delivery"
1281 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1282 "external_delivery"
1283 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1284 "ipv6"
1285 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1286 "ptp_event"
1287 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1288 "ptp_general"
1289 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1290 "acl_sample"
1291 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1292 "acl_trap"
1293 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1294 "parser_error_drops"
1295 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1296 "eapol"
1297
1298 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1299 _metadata_cap) \
1300 { \
1301 .type = DEVLINK_TRAP_TYPE_##_type, \
1302 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1303 .generic = true, \
1304 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1305 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1306 .init_group_id = _group_id, \
1307 .metadata_cap = _metadata_cap, \
1308 }
1309
1310 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1311 _metadata_cap) \
1312 { \
1313 .type = DEVLINK_TRAP_TYPE_##_type, \
1314 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1315 .generic = false, \
1316 .id = _id, \
1317 .name = _name, \
1318 .init_group_id = _group_id, \
1319 .metadata_cap = _metadata_cap, \
1320 }
1321
1322 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1323 { \
1324 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1325 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1326 .generic = true, \
1327 .init_policer_id = _policer_id, \
1328 }
1329
1330 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1331 _max_burst, _min_burst) \
1332 { \
1333 .id = _id, \
1334 .init_rate = _rate, \
1335 .init_burst = _burst, \
1336 .max_rate = _max_rate, \
1337 .min_rate = _min_rate, \
1338 .max_burst = _max_burst, \
1339 .min_burst = _min_burst, \
1340 }
1341
1342 #define devlink_fmsg_put(fmsg, name, value) ( \
1343 _Generic((value), \
1344 bool : devlink_fmsg_bool_pair_put, \
1345 u8 : devlink_fmsg_u8_pair_put, \
1346 u16 : devlink_fmsg_u32_pair_put, \
1347 u32 : devlink_fmsg_u32_pair_put, \
1348 u64 : devlink_fmsg_u64_pair_put, \
1349 int : devlink_fmsg_u32_pair_put, \
1350 char * : devlink_fmsg_string_pair_put, \
1351 const char * : devlink_fmsg_string_pair_put) \
1352 (fmsg, name, (value)))
1353
1354 enum {
1355 /* device supports reload operations */
1356 DEVLINK_F_RELOAD = 1UL << 0,
1357 };
1358
1359 struct devlink_ops {
1360 /**
1361 * @supported_flash_update_params:
1362 * mask of parameters supported by the driver's .flash_update
1363 * implementation.
1364 */
1365 u32 supported_flash_update_params;
1366 unsigned long reload_actions;
1367 unsigned long reload_limits;
1368 int (*reload_down)(struct devlink *devlink, bool netns_change,
1369 enum devlink_reload_action action,
1370 enum devlink_reload_limit limit,
1371 struct netlink_ext_ack *extack);
1372 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1373 enum devlink_reload_limit limit, u32 *actions_performed,
1374 struct netlink_ext_ack *extack);
1375 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1376 u16 pool_index,
1377 struct devlink_sb_pool_info *pool_info);
1378 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1379 u16 pool_index, u32 size,
1380 enum devlink_sb_threshold_type threshold_type,
1381 struct netlink_ext_ack *extack);
1382 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1383 unsigned int sb_index, u16 pool_index,
1384 u32 *p_threshold);
1385 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1386 unsigned int sb_index, u16 pool_index,
1387 u32 threshold, struct netlink_ext_ack *extack);
1388 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1389 unsigned int sb_index,
1390 u16 tc_index,
1391 enum devlink_sb_pool_type pool_type,
1392 u16 *p_pool_index, u32 *p_threshold);
1393 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1394 unsigned int sb_index,
1395 u16 tc_index,
1396 enum devlink_sb_pool_type pool_type,
1397 u16 pool_index, u32 threshold,
1398 struct netlink_ext_ack *extack);
1399 int (*sb_occ_snapshot)(struct devlink *devlink,
1400 unsigned int sb_index);
1401 int (*sb_occ_max_clear)(struct devlink *devlink,
1402 unsigned int sb_index);
1403 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1404 unsigned int sb_index, u16 pool_index,
1405 u32 *p_cur, u32 *p_max);
1406 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1407 unsigned int sb_index,
1408 u16 tc_index,
1409 enum devlink_sb_pool_type pool_type,
1410 u32 *p_cur, u32 *p_max);
1411
1412 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1413 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1414 struct netlink_ext_ack *extack);
1415 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1416 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1417 struct netlink_ext_ack *extack);
1418 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1419 enum devlink_eswitch_encap_mode *p_encap_mode);
1420 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1421 enum devlink_eswitch_encap_mode encap_mode,
1422 struct netlink_ext_ack *extack);
1423 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1424 struct netlink_ext_ack *extack);
1425 /**
1426 * @flash_update: Device flash update function
1427 *
1428 * Used to perform a flash update for the device. The set of
1429 * parameters supported by the driver should be set in
1430 * supported_flash_update_params.
1431 */
1432 int (*flash_update)(struct devlink *devlink,
1433 struct devlink_flash_update_params *params,
1434 struct netlink_ext_ack *extack);
1435 /**
1436 * @trap_init: Trap initialization function.
1437 *
1438 * Should be used by device drivers to initialize the trap in the
1439 * underlying device. Drivers should also store the provided trap
1440 * context, so that they could efficiently pass it to
1441 * devlink_trap_report() when the trap is triggered.
1442 */
1443 int (*trap_init)(struct devlink *devlink,
1444 const struct devlink_trap *trap, void *trap_ctx);
1445 /**
1446 * @trap_fini: Trap de-initialization function.
1447 *
1448 * Should be used by device drivers to de-initialize the trap in the
1449 * underlying device.
1450 */
1451 void (*trap_fini)(struct devlink *devlink,
1452 const struct devlink_trap *trap, void *trap_ctx);
1453 /**
1454 * @trap_action_set: Trap action set function.
1455 */
1456 int (*trap_action_set)(struct devlink *devlink,
1457 const struct devlink_trap *trap,
1458 enum devlink_trap_action action,
1459 struct netlink_ext_ack *extack);
1460 /**
1461 * @trap_group_init: Trap group initialization function.
1462 *
1463 * Should be used by device drivers to initialize the trap group in the
1464 * underlying device.
1465 */
1466 int (*trap_group_init)(struct devlink *devlink,
1467 const struct devlink_trap_group *group);
1468 /**
1469 * @trap_group_set: Trap group parameters set function.
1470 *
1471 * Note: @policer can be NULL when a policer is being unbound from
1472 * @group.
1473 */
1474 int (*trap_group_set)(struct devlink *devlink,
1475 const struct devlink_trap_group *group,
1476 const struct devlink_trap_policer *policer,
1477 struct netlink_ext_ack *extack);
1478 /**
1479 * @trap_group_action_set: Trap group action set function.
1480 *
1481 * If this callback is populated, it will take precedence over looping
1482 * over all traps in a group and calling .trap_action_set().
1483 */
1484 int (*trap_group_action_set)(struct devlink *devlink,
1485 const struct devlink_trap_group *group,
1486 enum devlink_trap_action action,
1487 struct netlink_ext_ack *extack);
1488 /**
1489 * @trap_drop_counter_get: Trap drop counter get function.
1490 *
1491 * Should be used by device drivers to report number of packets
1492 * that have been dropped, and cannot be passed to the devlink
1493 * subsystem by the underlying device.
1494 */
1495 int (*trap_drop_counter_get)(struct devlink *devlink,
1496 const struct devlink_trap *trap,
1497 u64 *p_drops);
1498 /**
1499 * @trap_policer_init: Trap policer initialization function.
1500 *
1501 * Should be used by device drivers to initialize the trap policer in
1502 * the underlying device.
1503 */
1504 int (*trap_policer_init)(struct devlink *devlink,
1505 const struct devlink_trap_policer *policer);
1506 /**
1507 * @trap_policer_fini: Trap policer de-initialization function.
1508 *
1509 * Should be used by device drivers to de-initialize the trap policer
1510 * in the underlying device.
1511 */
1512 void (*trap_policer_fini)(struct devlink *devlink,
1513 const struct devlink_trap_policer *policer);
1514 /**
1515 * @trap_policer_set: Trap policer parameters set function.
1516 */
1517 int (*trap_policer_set)(struct devlink *devlink,
1518 const struct devlink_trap_policer *policer,
1519 u64 rate, u64 burst,
1520 struct netlink_ext_ack *extack);
1521 /**
1522 * @trap_policer_counter_get: Trap policer counter get function.
1523 *
1524 * Should be used by device drivers to report number of packets dropped
1525 * by the policer.
1526 */
1527 int (*trap_policer_counter_get)(struct devlink *devlink,
1528 const struct devlink_trap_policer *policer,
1529 u64 *p_drops);
1530 /**
1531 * port_new() - Add a new port function of a specified flavor
1532 * @devlink: Devlink instance
1533 * @attrs: attributes of the new port
1534 * @extack: extack for reporting error messages
1535 * @devlink_port: pointer to store new devlink port pointer
1536 *
1537 * Devlink core will call this device driver function upon user request
1538 * to create a new port function of a specified flavor and optional
1539 * attributes
1540 *
1541 * Notes:
1542 * - On success, drivers must register a port with devlink core
1543 *
1544 * Return: 0 on success, negative value otherwise.
1545 */
1546 int (*port_new)(struct devlink *devlink,
1547 const struct devlink_port_new_attrs *attrs,
1548 struct netlink_ext_ack *extack,
1549 struct devlink_port **devlink_port);
1550
1551 /**
1552 * Rate control callbacks.
1553 */
1554 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1555 u64 tx_share, struct netlink_ext_ack *extack);
1556 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1557 u64 tx_max, struct netlink_ext_ack *extack);
1558 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1559 u32 tx_priority, struct netlink_ext_ack *extack);
1560 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1561 u32 tx_weight, struct netlink_ext_ack *extack);
1562 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate,
1563 void *priv, u32 *tc_bw,
1564 struct netlink_ext_ack *extack);
1565 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1566 u64 tx_share, struct netlink_ext_ack *extack);
1567 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1568 u64 tx_max, struct netlink_ext_ack *extack);
1569 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1570 u32 tx_priority, struct netlink_ext_ack *extack);
1571 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1572 u32 tx_weight, struct netlink_ext_ack *extack);
1573 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate,
1574 void *priv, u32 *tc_bw,
1575 struct netlink_ext_ack *extack);
1576 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1577 struct netlink_ext_ack *extack);
1578 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1579 struct netlink_ext_ack *extack);
1580 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1581 struct devlink_rate *parent,
1582 void *priv_child, void *priv_parent,
1583 struct netlink_ext_ack *extack);
1584 int (*rate_node_parent_set)(struct devlink_rate *child,
1585 struct devlink_rate *parent,
1586 void *priv_child, void *priv_parent,
1587 struct netlink_ext_ack *extack);
1588 /**
1589 * selftests_check() - queries if selftest is supported
1590 * @devlink: devlink instance
1591 * @id: test index
1592 * @extack: extack for reporting error messages
1593 *
1594 * Return: true if test is supported by the driver
1595 */
1596 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1597 struct netlink_ext_ack *extack);
1598 /**
1599 * selftest_run() - Runs a selftest
1600 * @devlink: devlink instance
1601 * @id: test index
1602 * @extack: extack for reporting error messages
1603 *
1604 * Return: status of the test
1605 */
1606 enum devlink_selftest_status
1607 (*selftest_run)(struct devlink *devlink, unsigned int id,
1608 struct netlink_ext_ack *extack);
1609 };
1610
1611 void *devlink_priv(struct devlink *devlink);
1612 struct devlink *priv_to_devlink(void *priv);
1613 struct device *devlink_to_dev(const struct devlink *devlink);
1614
1615 /* Devlink instance explicit locking */
1616 void devl_lock(struct devlink *devlink);
1617 int devl_trylock(struct devlink *devlink);
1618 void devl_unlock(struct devlink *devlink);
1619 void devl_assert_locked(struct devlink *devlink);
1620 bool devl_lock_is_held(struct devlink *devlink);
1621 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T));
1622
1623 struct ib_device;
1624
1625 struct net *devlink_net(const struct devlink *devlink);
1626 /* This call is intended for software devices that can create
1627 * devlink instances in other namespaces than init_net.
1628 *
1629 * Drivers that operate on real HW must use devlink_alloc() instead.
1630 */
1631 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1632 size_t priv_size, struct net *net,
1633 struct device *dev);
devlink_alloc(const struct devlink_ops * ops,size_t priv_size,struct device * dev)1634 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1635 size_t priv_size,
1636 struct device *dev)
1637 {
1638 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1639 }
1640
1641 int devl_register(struct devlink *devlink);
1642 void devl_unregister(struct devlink *devlink);
1643 void devlink_register(struct devlink *devlink);
1644 void devlink_unregister(struct devlink *devlink);
1645 void devlink_free(struct devlink *devlink);
1646
1647 /**
1648 * struct devlink_port_ops - Port operations
1649 * @port_split: Callback used to split the port into multiple ones.
1650 * @port_unsplit: Callback used to unsplit the port group back into
1651 * a single port.
1652 * @port_type_set: Callback used to set a type of a port.
1653 * @port_del: Callback used to delete selected port along with related function.
1654 * Devlink core calls this upon user request to delete
1655 * a port previously created by devlink_ops->port_new().
1656 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1657 * Should be used by device drivers to report
1658 * the hardware address of a function managed
1659 * by the devlink port.
1660 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1661 * Should be used by device drivers to set the hardware
1662 * address of a function managed by the devlink port.
1663 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1664 * Should be used by device drivers to report
1665 * the current state of RoCE capability of a function
1666 * managed by the devlink port.
1667 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1668 * Should be used by device drivers to enable/disable
1669 * RoCE capability of a function managed
1670 * by the devlink port.
1671 * @port_fn_migratable_get: Callback used to get port function's migratable
1672 * capability. Should be used by device drivers
1673 * to report the current state of migratable capability
1674 * of a function managed by the devlink port.
1675 * @port_fn_migratable_set: Callback used to set port function's migratable
1676 * capability. Should be used by device drivers
1677 * to enable/disable migratable capability of
1678 * a function managed by the devlink port.
1679 * @port_fn_state_get: Callback used to get port function's state.
1680 * Should be used by device drivers to report
1681 * the current admin and operational state of a
1682 * function managed by the devlink port.
1683 * @port_fn_state_set: Callback used to get port function's state.
1684 * Should be used by device drivers set
1685 * the admin state of a function managed
1686 * by the devlink port.
1687 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
1688 * capability. Should be used by device drivers
1689 * to report the current state of ipsec_crypto
1690 * capability of a function managed by the devlink
1691 * port.
1692 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
1693 * capability. Should be used by device drivers to
1694 * enable/disable ipsec_crypto capability of a
1695 * function managed by the devlink port.
1696 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
1697 * capability. Should be used by device drivers
1698 * to report the current state of ipsec_packet
1699 * capability of a function managed by the devlink
1700 * port.
1701 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
1702 * capability. Should be used by device drivers to
1703 * enable/disable ipsec_packet capability of a
1704 * function managed by the devlink port.
1705 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number
1706 * of event queues. Should be used by device drivers to
1707 * report the maximum event queues of a function
1708 * managed by the devlink port.
1709 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number
1710 * of event queues. Should be used by device drivers to
1711 * configure maximum number of event queues
1712 * of a function managed by the devlink port.
1713 *
1714 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1715 * port function (@port_fn_*) handling for a particular port.
1716 */
1717 struct devlink_port_ops {
1718 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1719 unsigned int count, struct netlink_ext_ack *extack);
1720 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1721 struct netlink_ext_ack *extack);
1722 int (*port_type_set)(struct devlink_port *devlink_port,
1723 enum devlink_port_type port_type);
1724 int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1725 struct netlink_ext_ack *extack);
1726 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1727 int *hw_addr_len,
1728 struct netlink_ext_ack *extack);
1729 int (*port_fn_hw_addr_set)(struct devlink_port *port,
1730 const u8 *hw_addr, int hw_addr_len,
1731 struct netlink_ext_ack *extack);
1732 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1733 bool *is_enable,
1734 struct netlink_ext_ack *extack);
1735 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1736 bool enable, struct netlink_ext_ack *extack);
1737 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1738 bool *is_enable,
1739 struct netlink_ext_ack *extack);
1740 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1741 bool enable,
1742 struct netlink_ext_ack *extack);
1743 int (*port_fn_state_get)(struct devlink_port *port,
1744 enum devlink_port_fn_state *state,
1745 enum devlink_port_fn_opstate *opstate,
1746 struct netlink_ext_ack *extack);
1747 int (*port_fn_state_set)(struct devlink_port *port,
1748 enum devlink_port_fn_state state,
1749 struct netlink_ext_ack *extack);
1750 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
1751 bool *is_enable,
1752 struct netlink_ext_ack *extack);
1753 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
1754 bool enable,
1755 struct netlink_ext_ack *extack);
1756 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
1757 bool *is_enable,
1758 struct netlink_ext_ack *extack);
1759 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
1760 bool enable,
1761 struct netlink_ext_ack *extack);
1762 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port,
1763 u32 *max_eqs,
1764 struct netlink_ext_ack *extack);
1765 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port,
1766 u32 max_eqs,
1767 struct netlink_ext_ack *extack);
1768 };
1769
1770 void devlink_port_init(struct devlink *devlink,
1771 struct devlink_port *devlink_port);
1772 void devlink_port_fini(struct devlink_port *devlink_port);
1773
1774 int devl_port_register_with_ops(struct devlink *devlink,
1775 struct devlink_port *devlink_port,
1776 unsigned int port_index,
1777 const struct devlink_port_ops *ops);
1778
devl_port_register(struct devlink * devlink,struct devlink_port * devlink_port,unsigned int port_index)1779 static inline int devl_port_register(struct devlink *devlink,
1780 struct devlink_port *devlink_port,
1781 unsigned int port_index)
1782 {
1783 return devl_port_register_with_ops(devlink, devlink_port,
1784 port_index, NULL);
1785 }
1786
1787 int devlink_port_register_with_ops(struct devlink *devlink,
1788 struct devlink_port *devlink_port,
1789 unsigned int port_index,
1790 const struct devlink_port_ops *ops);
1791
devlink_port_register(struct devlink * devlink,struct devlink_port * devlink_port,unsigned int port_index)1792 static inline int devlink_port_register(struct devlink *devlink,
1793 struct devlink_port *devlink_port,
1794 unsigned int port_index)
1795 {
1796 return devlink_port_register_with_ops(devlink, devlink_port,
1797 port_index, NULL);
1798 }
1799
1800 void devl_port_unregister(struct devlink_port *devlink_port);
1801 void devlink_port_unregister(struct devlink_port *devlink_port);
1802 void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1803 void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1804 struct ib_device *ibdev);
1805 void devlink_port_type_clear(struct devlink_port *devlink_port);
1806 void devlink_port_attrs_set(struct devlink_port *devlink_port,
1807 const struct devlink_port_attrs *attrs);
1808 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1809 u16 pf, bool external);
1810 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1811 u16 pf, u16 vf, bool external);
1812 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1813 u32 controller, u16 pf, u32 sf,
1814 bool external);
1815 int devl_port_fn_devlink_set(struct devlink_port *devlink_port,
1816 struct devlink *fn_devlink);
1817 struct devlink_rate *
1818 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1819 struct devlink_rate *parent);
1820 int
1821 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1822 struct devlink_rate *parent);
1823 void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1824 void devl_rate_nodes_destroy(struct devlink *devlink);
1825 void devlink_port_linecard_set(struct devlink_port *devlink_port,
1826 struct devlink_linecard *linecard);
1827 struct devlink_linecard *
1828 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1829 const struct devlink_linecard_ops *ops, void *priv);
1830 void devl_linecard_destroy(struct devlink_linecard *linecard);
1831 void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1832 const char *type);
1833 void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1834 void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1835 void devlink_linecard_activate(struct devlink_linecard *linecard);
1836 void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1837 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1838 struct devlink *nested_devlink);
1839 int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1840 u32 size, u16 ingress_pools_count,
1841 u16 egress_pools_count, u16 ingress_tc_count,
1842 u16 egress_tc_count);
1843 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1844 u32 size, u16 ingress_pools_count,
1845 u16 egress_pools_count, u16 ingress_tc_count,
1846 u16 egress_tc_count);
1847 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1848 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1849 int devl_dpipe_table_register(struct devlink *devlink,
1850 const char *table_name,
1851 const struct devlink_dpipe_table_ops *table_ops,
1852 void *priv, bool counter_control_extern);
1853 void devl_dpipe_table_unregister(struct devlink *devlink,
1854 const char *table_name);
1855 void devl_dpipe_headers_register(struct devlink *devlink,
1856 struct devlink_dpipe_headers *dpipe_headers);
1857 void devl_dpipe_headers_unregister(struct devlink *devlink);
1858 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1859 const char *table_name);
1860 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1861 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1862 struct devlink_dpipe_entry *entry);
1863 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1864 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1865 int devlink_dpipe_action_put(struct sk_buff *skb,
1866 struct devlink_dpipe_action *action);
1867 int devlink_dpipe_match_put(struct sk_buff *skb,
1868 struct devlink_dpipe_match *match);
1869 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1870 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1871 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1872
1873 int devl_resource_register(struct devlink *devlink,
1874 const char *resource_name,
1875 u64 resource_size,
1876 u64 resource_id,
1877 u64 parent_resource_id,
1878 const struct devlink_resource_size_params *size_params);
1879 void devl_resources_unregister(struct devlink *devlink);
1880 void devlink_resources_unregister(struct devlink *devlink);
1881 int devl_resource_size_get(struct devlink *devlink,
1882 u64 resource_id,
1883 u64 *p_resource_size);
1884 int devl_dpipe_table_resource_set(struct devlink *devlink,
1885 const char *table_name, u64 resource_id,
1886 u64 resource_units);
1887 void devl_resource_occ_get_register(struct devlink *devlink,
1888 u64 resource_id,
1889 devlink_resource_occ_get_t *occ_get,
1890 void *occ_get_priv);
1891 void devl_resource_occ_get_unregister(struct devlink *devlink,
1892 u64 resource_id);
1893 int devl_params_register(struct devlink *devlink,
1894 const struct devlink_param *params,
1895 size_t params_count);
1896 int devlink_params_register(struct devlink *devlink,
1897 const struct devlink_param *params,
1898 size_t params_count);
1899 void devl_params_unregister(struct devlink *devlink,
1900 const struct devlink_param *params,
1901 size_t params_count);
1902 void devlink_params_unregister(struct devlink *devlink,
1903 const struct devlink_param *params,
1904 size_t params_count);
1905 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1906 union devlink_param_value *val);
1907 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1908 union devlink_param_value init_val);
1909 void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1910 struct devlink_region *devl_region_create(struct devlink *devlink,
1911 const struct devlink_region_ops *ops,
1912 u32 region_max_snapshots,
1913 u64 region_size);
1914 struct devlink_region *
1915 devlink_region_create(struct devlink *devlink,
1916 const struct devlink_region_ops *ops,
1917 u32 region_max_snapshots, u64 region_size);
1918 struct devlink_region *
1919 devlink_port_region_create(struct devlink_port *port,
1920 const struct devlink_port_region_ops *ops,
1921 u32 region_max_snapshots, u64 region_size);
1922 void devl_region_destroy(struct devlink_region *region);
1923 void devlink_region_destroy(struct devlink_region *region);
1924 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1925 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1926 int devlink_region_snapshot_create(struct devlink_region *region,
1927 u8 *data, u32 snapshot_id);
1928 int devlink_info_serial_number_put(struct devlink_info_req *req,
1929 const char *sn);
1930 int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1931 const char *bsn);
1932
1933 enum devlink_info_version_type {
1934 DEVLINK_INFO_VERSION_TYPE_NONE,
1935 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1936 * component by name.
1937 */
1938 };
1939
1940 int devlink_info_version_fixed_put(struct devlink_info_req *req,
1941 const char *version_name,
1942 const char *version_value);
1943 int devlink_info_version_stored_put(struct devlink_info_req *req,
1944 const char *version_name,
1945 const char *version_value);
1946 int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1947 const char *version_name,
1948 const char *version_value,
1949 enum devlink_info_version_type version_type);
1950 int devlink_info_version_running_put(struct devlink_info_req *req,
1951 const char *version_name,
1952 const char *version_value);
1953 int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1954 const char *version_name,
1955 const char *version_value,
1956 enum devlink_info_version_type version_type);
1957
1958 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1959 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1960
1961 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1962 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1963
1964 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1965 const char *name);
1966 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1967 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1968 const char *name);
1969 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1970
1971 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1972 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1973 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1974 u16 value_len);
1975
1976 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1977 bool value);
1978 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1979 u8 value);
1980 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1981 u32 value);
1982 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1983 u64 value);
1984 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1985 const char *value);
1986 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1987 const void *value, u32 value_len);
1988
1989 struct devlink_health_reporter *
1990 devl_port_health_reporter_create(struct devlink_port *port,
1991 const struct devlink_health_reporter_ops *ops,
1992 void *priv);
1993
1994 struct devlink_health_reporter *
1995 devlink_port_health_reporter_create(struct devlink_port *port,
1996 const struct devlink_health_reporter_ops *ops,
1997 void *priv);
1998
1999 struct devlink_health_reporter *
2000 devl_health_reporter_create(struct devlink *devlink,
2001 const struct devlink_health_reporter_ops *ops,
2002 void *priv);
2003
2004 struct devlink_health_reporter *
2005 devlink_health_reporter_create(struct devlink *devlink,
2006 const struct devlink_health_reporter_ops *ops,
2007 void *priv);
2008
2009 void
2010 devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
2011
2012 void
2013 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
2014
2015 void *
2016 devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
2017 int devlink_health_report(struct devlink_health_reporter *reporter,
2018 const char *msg, void *priv_ctx);
2019 void
2020 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
2021 enum devlink_health_reporter_state state);
2022 void
2023 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
2024
2025 int devl_nested_devlink_set(struct devlink *devlink,
2026 struct devlink *nested_devlink);
2027 bool devlink_is_reload_failed(const struct devlink *devlink);
2028 void devlink_remote_reload_actions_performed(struct devlink *devlink,
2029 enum devlink_reload_limit limit,
2030 u32 actions_performed);
2031
2032 void devlink_flash_update_status_notify(struct devlink *devlink,
2033 const char *status_msg,
2034 const char *component,
2035 unsigned long done,
2036 unsigned long total);
2037 void devlink_flash_update_timeout_notify(struct devlink *devlink,
2038 const char *status_msg,
2039 const char *component,
2040 unsigned long timeout);
2041
2042 int devl_traps_register(struct devlink *devlink,
2043 const struct devlink_trap *traps,
2044 size_t traps_count, void *priv);
2045 int devlink_traps_register(struct devlink *devlink,
2046 const struct devlink_trap *traps,
2047 size_t traps_count, void *priv);
2048 void devl_traps_unregister(struct devlink *devlink,
2049 const struct devlink_trap *traps,
2050 size_t traps_count);
2051 void devlink_traps_unregister(struct devlink *devlink,
2052 const struct devlink_trap *traps,
2053 size_t traps_count);
2054 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
2055 void *trap_ctx, struct devlink_port *in_devlink_port,
2056 const struct flow_action_cookie *fa_cookie);
2057 void *devlink_trap_ctx_priv(void *trap_ctx);
2058 int devl_trap_groups_register(struct devlink *devlink,
2059 const struct devlink_trap_group *groups,
2060 size_t groups_count);
2061 int devlink_trap_groups_register(struct devlink *devlink,
2062 const struct devlink_trap_group *groups,
2063 size_t groups_count);
2064 void devl_trap_groups_unregister(struct devlink *devlink,
2065 const struct devlink_trap_group *groups,
2066 size_t groups_count);
2067 void devlink_trap_groups_unregister(struct devlink *devlink,
2068 const struct devlink_trap_group *groups,
2069 size_t groups_count);
2070 int
2071 devl_trap_policers_register(struct devlink *devlink,
2072 const struct devlink_trap_policer *policers,
2073 size_t policers_count);
2074 void
2075 devl_trap_policers_unregister(struct devlink *devlink,
2076 const struct devlink_trap_policer *policers,
2077 size_t policers_count);
2078
2079 #if IS_ENABLED(CONFIG_NET_DEVLINK)
2080
2081 struct devlink *__must_check devlink_try_get(struct devlink *devlink);
2082 void devlink_put(struct devlink *devlink);
2083
2084 void devlink_compat_running_version(struct devlink *devlink,
2085 char *buf, size_t len);
2086 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
2087 int devlink_compat_phys_port_name_get(struct net_device *dev,
2088 char *name, size_t len);
2089 int devlink_compat_switch_id_get(struct net_device *dev,
2090 struct netdev_phys_item_id *ppid);
2091
2092 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
2093 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
2094 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb);
2095
2096 #else
2097
devlink_try_get(struct devlink * devlink)2098 static inline struct devlink *devlink_try_get(struct devlink *devlink)
2099 {
2100 return NULL;
2101 }
2102
devlink_put(struct devlink * devlink)2103 static inline void devlink_put(struct devlink *devlink)
2104 {
2105 }
2106
2107 static inline void
devlink_compat_running_version(struct devlink * devlink,char * buf,size_t len)2108 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
2109 {
2110 }
2111
2112 static inline int
devlink_compat_flash_update(struct devlink * devlink,const char * file_name)2113 devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
2114 {
2115 return -EOPNOTSUPP;
2116 }
2117
2118 static inline int
devlink_compat_phys_port_name_get(struct net_device * dev,char * name,size_t len)2119 devlink_compat_phys_port_name_get(struct net_device *dev,
2120 char *name, size_t len)
2121 {
2122 return -EOPNOTSUPP;
2123 }
2124
2125 static inline int
devlink_compat_switch_id_get(struct net_device * dev,struct netdev_phys_item_id * ppid)2126 devlink_compat_switch_id_get(struct net_device *dev,
2127 struct netdev_phys_item_id *ppid)
2128 {
2129 return -EOPNOTSUPP;
2130 }
2131
2132 static inline int
devlink_nl_port_handle_fill(struct sk_buff * msg,struct devlink_port * devlink_port)2133 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
2134 {
2135 return 0;
2136 }
2137
devlink_nl_port_handle_size(struct devlink_port * devlink_port)2138 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2139 {
2140 return 0;
2141 }
2142
2143 #endif
2144
2145 #endif /* _NET_DEVLINK_H_ */
2146