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 host 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 host 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 host 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 list_head resource_list;
133 struct devlink *devlink;
134 const struct devlink_port_ops *ops;
135 unsigned int index;
136 spinlock_t type_lock; /* Protects type and type_eth/ib
137 * structures consistency.
138 */
139 enum devlink_port_type type;
140 enum devlink_port_type desired_type;
141 union {
142 struct {
143 struct net_device *netdev;
144 int ifindex;
145 char ifname[IFNAMSIZ];
146 } type_eth;
147 struct {
148 struct ib_device *ibdev;
149 } type_ib;
150 };
151 struct devlink_port_attrs attrs;
152 u8 attrs_set:1,
153 switch_port:1,
154 registered:1,
155 initialized:1;
156 struct delayed_work type_warn_dw;
157 struct list_head reporter_list;
158
159 struct devlink_rate *devlink_rate;
160 struct devlink_linecard *linecard;
161 u32 rel_index;
162 };
163
164 struct devlink_port_new_attrs {
165 enum devlink_port_flavour flavour;
166 unsigned int port_index;
167 u32 controller;
168 u32 sfnum;
169 u16 pfnum;
170 u8 port_index_valid:1,
171 controller_valid:1,
172 sfnum_valid:1;
173 };
174
175 /**
176 * struct devlink_linecard_ops - Linecard operations
177 * @provision: callback to provision the linecard slot with certain
178 * type of linecard. As a result of this operation,
179 * driver is expected to eventually (could be after
180 * the function call returns) call one of:
181 * devlink_linecard_provision_set()
182 * devlink_linecard_provision_fail()
183 * @unprovision: callback to unprovision the linecard slot. As a result
184 * of this operation, driver is expected to eventually
185 * (could be after the function call returns) call
186 * devlink_linecard_provision_clear()
187 * devlink_linecard_provision_fail()
188 * @same_provision: callback to ask the driver if linecard is already
189 * provisioned in the same way user asks this linecard to be
190 * provisioned.
191 * @types_count: callback to get number of supported types
192 * @types_get: callback to get next type in list
193 */
194 struct devlink_linecard_ops {
195 int (*provision)(struct devlink_linecard *linecard, void *priv,
196 const char *type, const void *type_priv,
197 struct netlink_ext_ack *extack);
198 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
199 struct netlink_ext_ack *extack);
200 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
201 const char *type, const void *type_priv);
202 unsigned int (*types_count)(struct devlink_linecard *linecard,
203 void *priv);
204 void (*types_get)(struct devlink_linecard *linecard,
205 void *priv, unsigned int index, const char **type,
206 const void **type_priv);
207 };
208
209 struct devlink_sb_pool_info {
210 enum devlink_sb_pool_type pool_type;
211 u32 size;
212 enum devlink_sb_threshold_type threshold_type;
213 u32 cell_size;
214 };
215
216 /**
217 * struct devlink_dpipe_field - dpipe field object
218 * @name: field name
219 * @id: index inside the headers field array
220 * @bitwidth: bitwidth
221 * @mapping_type: mapping type
222 */
223 struct devlink_dpipe_field {
224 const char *name;
225 unsigned int id;
226 unsigned int bitwidth;
227 enum devlink_dpipe_field_mapping_type mapping_type;
228 };
229
230 /**
231 * struct devlink_dpipe_header - dpipe header object
232 * @name: header name
233 * @id: index, global/local determined by global bit
234 * @fields: fields
235 * @fields_count: number of fields
236 * @global: indicates if header is shared like most protocol header
237 * or driver specific
238 */
239 struct devlink_dpipe_header {
240 const char *name;
241 unsigned int id;
242 struct devlink_dpipe_field *fields;
243 unsigned int fields_count;
244 bool global;
245 };
246
247 /**
248 * struct devlink_dpipe_match - represents match operation
249 * @type: type of match
250 * @header_index: header index (packets can have several headers of same
251 * type like in case of tunnels)
252 * @header: header
253 * @field_id: field index
254 */
255 struct devlink_dpipe_match {
256 enum devlink_dpipe_match_type type;
257 unsigned int header_index;
258 struct devlink_dpipe_header *header;
259 unsigned int field_id;
260 };
261
262 /**
263 * struct devlink_dpipe_action - represents action operation
264 * @type: type of action
265 * @header_index: header index (packets can have several headers of same
266 * type like in case of tunnels)
267 * @header: header
268 * @field_id: field index
269 */
270 struct devlink_dpipe_action {
271 enum devlink_dpipe_action_type type;
272 unsigned int header_index;
273 struct devlink_dpipe_header *header;
274 unsigned int field_id;
275 };
276
277 /**
278 * struct devlink_dpipe_value - represents value of match/action
279 * @action: action
280 * @match: match
281 * @mapping_value: in case the field has some mapping this value
282 * specified the mapping value
283 * @mapping_valid: specify if mapping value is valid
284 * @value_size: value size
285 * @value: value
286 * @mask: bit mask
287 */
288 struct devlink_dpipe_value {
289 union {
290 struct devlink_dpipe_action *action;
291 struct devlink_dpipe_match *match;
292 };
293 unsigned int mapping_value;
294 bool mapping_valid;
295 unsigned int value_size;
296 void *value;
297 void *mask;
298 };
299
300 /**
301 * struct devlink_dpipe_entry - table entry object
302 * @index: index of the entry in the table
303 * @match_values: match values
304 * @match_values_count: count of matches tuples
305 * @action_values: actions values
306 * @action_values_count: count of actions values
307 * @counter: value of counter
308 * @counter_valid: Specify if value is valid from hardware
309 */
310 struct devlink_dpipe_entry {
311 u64 index;
312 struct devlink_dpipe_value *match_values;
313 unsigned int match_values_count;
314 struct devlink_dpipe_value *action_values;
315 unsigned int action_values_count;
316 u64 counter;
317 bool counter_valid;
318 };
319
320 /**
321 * struct devlink_dpipe_dump_ctx - context provided to driver in order
322 * to dump
323 * @info: info
324 * @cmd: devlink command
325 * @skb: skb
326 * @nest: top attribute
327 * @hdr: hdr
328 */
329 struct devlink_dpipe_dump_ctx {
330 struct genl_info *info;
331 enum devlink_command cmd;
332 struct sk_buff *skb;
333 struct nlattr *nest;
334 void *hdr;
335 };
336
337 struct devlink_dpipe_table_ops;
338
339 /**
340 * struct devlink_dpipe_table - table object
341 * @priv: private
342 * @name: table name
343 * @counters_enabled: indicates if counters are active
344 * @counter_control_extern: indicates if counter control is in dpipe or
345 * external tool
346 * @resource_valid: Indicate that the resource id is valid
347 * @resource_id: relative resource this table is related to
348 * @resource_units: number of resource's unit consumed per table's entry
349 * @table_ops: table operations
350 * @rcu: rcu
351 */
352 struct devlink_dpipe_table {
353 void *priv;
354 /* private: */
355 struct list_head list;
356 /* public: */
357 const char *name;
358 bool counters_enabled;
359 bool counter_control_extern;
360 bool resource_valid;
361 u64 resource_id;
362 u64 resource_units;
363 const struct devlink_dpipe_table_ops *table_ops;
364 struct rcu_head rcu;
365 };
366
367 /**
368 * struct devlink_dpipe_table_ops - dpipe_table ops
369 * @actions_dump: dumps all tables actions
370 * @matches_dump: dumps all tables matches
371 * @entries_dump: dumps all active entries in the table
372 * @counters_set_update: when changing the counter status hardware sync
373 * maybe needed to allocate/free counter related
374 * resources
375 * @size_get: get size
376 */
377 struct devlink_dpipe_table_ops {
378 int (*actions_dump)(void *priv, struct sk_buff *skb);
379 int (*matches_dump)(void *priv, struct sk_buff *skb);
380 int (*entries_dump)(void *priv, bool counters_enabled,
381 struct devlink_dpipe_dump_ctx *dump_ctx);
382 int (*counters_set_update)(void *priv, bool enable);
383 u64 (*size_get)(void *priv);
384 };
385
386 /**
387 * struct devlink_dpipe_headers - dpipe headers
388 * @headers: header array can be shared (global bit) or driver specific
389 * @headers_count: count of headers
390 */
391 struct devlink_dpipe_headers {
392 struct devlink_dpipe_header **headers;
393 unsigned int headers_count;
394 };
395
396 /**
397 * struct devlink_resource_size_params - resource's size parameters
398 * @size_min: minimum size which can be set
399 * @size_max: maximum size which can be set
400 * @size_granularity: size granularity
401 * @unit: resource's basic unit
402 */
403 struct devlink_resource_size_params {
404 u64 size_min;
405 u64 size_max;
406 u64 size_granularity;
407 enum devlink_resource_unit unit;
408 };
409
410 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)411 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
412 u64 size_min, u64 size_max,
413 u64 size_granularity,
414 enum devlink_resource_unit unit)
415 {
416 size_params->size_min = size_min;
417 size_params->size_max = size_max;
418 size_params->size_granularity = size_granularity;
419 size_params->unit = unit;
420 }
421
422 typedef u64 devlink_resource_occ_get_t(void *priv);
423
424 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0
425
426 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
427
428 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32
429 enum devlink_param_type {
430 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8,
431 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16,
432 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32,
433 DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64,
434 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING,
435 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG,
436 DEVLINK_PARAM_TYPE_U64_ARRAY = DEVLINK_VAR_ATTR_TYPE_U64_ARRAY,
437 };
438
439 #define __DEVLINK_PARAM_MAX_ARRAY_SIZE 32
440 struct devlink_param_u64_array {
441 u64 size;
442 u64 val[__DEVLINK_PARAM_MAX_ARRAY_SIZE];
443 };
444
445 union devlink_param_value {
446 u8 vu8;
447 u16 vu16;
448 u32 vu32;
449 u64 vu64;
450 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
451 bool vbool;
452 struct devlink_param_u64_array u64arr;
453 };
454
455 struct devlink_param_gset_ctx {
456 union devlink_param_value val;
457 enum devlink_param_cmode cmode;
458 };
459
460 /**
461 * struct devlink_flash_notify - devlink dev flash notify data
462 * @status_msg: current status string
463 * @component: firmware component being updated
464 * @done: amount of work completed of total amount
465 * @total: amount of work expected to be done
466 * @timeout: expected max timeout in seconds
467 *
468 * These are values to be given to userland to be displayed in order
469 * to show current activity in a firmware update process.
470 */
471 struct devlink_flash_notify {
472 const char *status_msg;
473 const char *component;
474 unsigned long done;
475 unsigned long total;
476 unsigned long timeout;
477 };
478
479 /**
480 * struct devlink_param - devlink configuration parameter data
481 * @id: devlink parameter id number
482 * @name: name of the parameter
483 * @generic: indicates if the parameter is generic or driver specific
484 * @type: parameter type
485 * @supported_cmodes: bitmap of supported configuration modes
486 * @get: get parameter value, used for runtime and permanent
487 * configuration modes
488 * @set: set parameter value, used for runtime and permanent
489 * configuration modes
490 * @validate: validate input value is applicable (within value range, etc.)
491 * @get_default: get parameter default value, used for runtime and permanent
492 * configuration modes
493 * @reset_default: reset parameter to default value, used for runtime and permanent
494 * configuration modes
495 *
496 * This struct should be used by the driver to fill the data for
497 * a parameter it registers.
498 */
499 struct devlink_param {
500 u32 id;
501 const char *name;
502 bool generic;
503 enum devlink_param_type type;
504 unsigned long supported_cmodes;
505 int (*get)(struct devlink *devlink, u32 id,
506 struct devlink_param_gset_ctx *ctx,
507 struct netlink_ext_ack *extack);
508 int (*set)(struct devlink *devlink, u32 id,
509 struct devlink_param_gset_ctx *ctx,
510 struct netlink_ext_ack *extack);
511 int (*validate)(struct devlink *devlink, u32 id,
512 union devlink_param_value *val,
513 struct netlink_ext_ack *extack);
514 int (*get_default)(struct devlink *devlink, u32 id,
515 struct devlink_param_gset_ctx *ctx,
516 struct netlink_ext_ack *extack);
517 int (*reset_default)(struct devlink *devlink, u32 id,
518 enum devlink_param_cmode cmode,
519 struct netlink_ext_ack *extack);
520 };
521
522 struct devlink_param_item {
523 struct list_head list;
524 const struct devlink_param *param;
525 union devlink_param_value driverinit_value;
526 bool driverinit_value_valid;
527 union devlink_param_value driverinit_value_new; /* Not reachable
528 * until reload.
529 */
530 bool driverinit_value_new_valid;
531 union devlink_param_value driverinit_default;
532 };
533
534 enum devlink_param_generic_id {
535 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
536 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
537 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
538 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
539 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
540 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
541 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
542 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
543 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
544 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
545 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
546 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
547 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
548 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
549 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
550 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
551 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
552 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
553 DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
554 DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS,
555 DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS,
556 DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF,
557 DEVLINK_PARAM_GENERIC_ID_MAX_SFS,
558
559 /* add new param generic ids above here*/
560 __DEVLINK_PARAM_GENERIC_ID_MAX,
561 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
562 };
563
564 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
565 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
566
567 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
568 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
569
570 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
571 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
572
573 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
574 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
575
576 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
577 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
578
579 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
580 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
581
582 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
583 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
584
585 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
586 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
587
588 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
589 "reset_dev_on_drv_probe"
590 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
591
592 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
593 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
594
595 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
596 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
597
598 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
599 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
600
601 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
602 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
603
604 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
605 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
606
607 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
608 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
609
610 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
611 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
612
613 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
614 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
615
616 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
617 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
618
619 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
620 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
621
622 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME "total_vfs"
623 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE DEVLINK_PARAM_TYPE_U32
624
625 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME "num_doorbells"
626 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE DEVLINK_PARAM_TYPE_U32
627
628 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME "max_mac_per_vf"
629 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE DEVLINK_PARAM_TYPE_U32
630
631 #define DEVLINK_PARAM_GENERIC_MAX_SFS_NAME "max_sfs"
632 #define DEVLINK_PARAM_GENERIC_MAX_SFS_TYPE DEVLINK_PARAM_TYPE_U32
633
634 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
635 { \
636 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
637 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
638 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
639 .generic = true, \
640 .supported_cmodes = _cmodes, \
641 .get = _get, \
642 .set = _set, \
643 .validate = _validate, \
644 }
645
646 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
647 { \
648 .id = _id, \
649 .name = _name, \
650 .type = _type, \
651 .supported_cmodes = _cmodes, \
652 .get = _get, \
653 .set = _set, \
654 .validate = _validate, \
655 }
656
657 #define DEVLINK_PARAM_GENERIC_WITH_DEFAULTS(_id, _cmodes, _get, _set, \
658 _validate, _get_default, \
659 _reset_default) \
660 { \
661 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
662 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
663 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
664 .generic = true, \
665 .supported_cmodes = _cmodes, \
666 .get = _get, \
667 .set = _set, \
668 .validate = _validate, \
669 .get_default = _get_default, \
670 .reset_default = _reset_default, \
671 }
672
673 #define DEVLINK_PARAM_DRIVER_WITH_DEFAULTS(_id, _name, _type, _cmodes, \
674 _get, _set, _validate, \
675 _get_default, _reset_default) \
676 { \
677 .id = _id, \
678 .name = _name, \
679 .type = _type, \
680 .supported_cmodes = _cmodes, \
681 .get = _get, \
682 .set = _set, \
683 .validate = _validate, \
684 .get_default = _get_default, \
685 .reset_default = _reset_default, \
686 }
687
688 /* Identifier of board design */
689 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
690 /* Revision of board design */
691 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
692 /* Maker of the board */
693 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
694 /* Part number of the board and its components */
695 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number"
696
697 /* Part number, identifier of asic design */
698 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
699 /* Revision of asic design */
700 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
701
702 /* Overall FW version */
703 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
704 /* Control processor FW version */
705 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
706 /* FW interface specification version */
707 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
708 /* Data path microcode controlling high-speed packet processing */
709 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
710 /* UNDI software version */
711 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
712 /* NCSI support/handler version */
713 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
714 /* FW parameter set id */
715 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
716 /* RoCE FW version */
717 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
718 /* Firmware bundle identifier */
719 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
720 /* Bootloader */
721 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
722
723 /**
724 * struct devlink_flash_update_params - Flash Update parameters
725 * @fw: pointer to the firmware data to update from
726 * @component: the flash component to update
727 * @overwrite_mask: which types of flash update are supported (may be %0)
728 *
729 * With the exception of fw, drivers must opt-in to parameters by
730 * setting the appropriate bit in the supported_flash_update_params field in
731 * their devlink_ops structure.
732 */
733 struct devlink_flash_update_params {
734 const struct firmware *fw;
735 const char *component;
736 u32 overwrite_mask;
737 };
738
739 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
740
741 struct devlink_region;
742 struct devlink_info_req;
743
744 /**
745 * struct devlink_region_ops - Region operations
746 * @name: region name
747 * @destructor: callback used to free snapshot memory when deleting
748 * @snapshot: callback to request an immediate snapshot. On success,
749 * the data variable must be updated to point to the snapshot data.
750 * The function will be called while the devlink instance lock is
751 * held.
752 * @read: callback to directly read a portion of the region. On success,
753 * the data pointer will be updated with the contents of the
754 * requested portion of the region. The function will be called
755 * while the devlink instance lock is held.
756 * @priv: Pointer to driver private data for the region operation
757 */
758 struct devlink_region_ops {
759 const char *name;
760 void (*destructor)(const void *data);
761 int (*snapshot)(struct devlink *devlink,
762 const struct devlink_region_ops *ops,
763 struct netlink_ext_ack *extack,
764 u8 **data);
765 int (*read)(struct devlink *devlink,
766 const struct devlink_region_ops *ops,
767 struct netlink_ext_ack *extack,
768 u64 offset, u32 size, u8 *data);
769 void *priv;
770 };
771
772 /**
773 * struct devlink_port_region_ops - Region operations for a port
774 * @name: region name
775 * @destructor: callback used to free snapshot memory when deleting
776 * @snapshot: callback to request an immediate snapshot. On success,
777 * the data variable must be updated to point to the snapshot data.
778 * The function will be called while the devlink instance lock is
779 * held.
780 * @read: callback to directly read a portion of the region. On success,
781 * the data pointer will be updated with the contents of the
782 * requested portion of the region. The function will be called
783 * while the devlink instance lock is held.
784 * @priv: Pointer to driver private data for the region operation
785 */
786 struct devlink_port_region_ops {
787 const char *name;
788 void (*destructor)(const void *data);
789 int (*snapshot)(struct devlink_port *port,
790 const struct devlink_port_region_ops *ops,
791 struct netlink_ext_ack *extack,
792 u8 **data);
793 int (*read)(struct devlink_port *port,
794 const struct devlink_port_region_ops *ops,
795 struct netlink_ext_ack *extack,
796 u64 offset, u32 size, u8 *data);
797 void *priv;
798 };
799
800 struct devlink_fmsg;
801 struct devlink_health_reporter;
802
803 enum devlink_health_reporter_state {
804 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
805 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
806 };
807
808 /**
809 * struct devlink_health_reporter_ops - Reporter operations
810 * @name: reporter name
811 * @recover: callback to recover from reported error
812 * if priv_ctx is NULL, run a full recover
813 * @dump: callback to dump an object
814 * if priv_ctx is NULL, run a full dump
815 * @diagnose: callback to diagnose the current status
816 * @test: callback to trigger a test event
817 * @default_graceful_period: default min time (in msec)
818 * between recovery attempts
819 * @default_burst_period: default time (in msec) for
820 * error recoveries before starting the grace period
821 */
822
823 struct devlink_health_reporter_ops {
824 char *name;
825 int (*recover)(struct devlink_health_reporter *reporter,
826 void *priv_ctx, struct netlink_ext_ack *extack);
827 int (*dump)(struct devlink_health_reporter *reporter,
828 struct devlink_fmsg *fmsg, void *priv_ctx,
829 struct netlink_ext_ack *extack);
830 int (*diagnose)(struct devlink_health_reporter *reporter,
831 struct devlink_fmsg *fmsg,
832 struct netlink_ext_ack *extack);
833 int (*test)(struct devlink_health_reporter *reporter,
834 struct netlink_ext_ack *extack);
835 u64 default_graceful_period;
836 u64 default_burst_period;
837 };
838
839 /**
840 * struct devlink_trap_metadata - Packet trap metadata.
841 * @trap_name: Trap name.
842 * @trap_group_name: Trap group name.
843 * @input_dev: Input netdevice.
844 * @dev_tracker: refcount tracker for @input_dev.
845 * @fa_cookie: Flow action user cookie.
846 * @trap_type: Trap type.
847 */
848 struct devlink_trap_metadata {
849 const char *trap_name;
850 const char *trap_group_name;
851
852 struct net_device *input_dev;
853 netdevice_tracker dev_tracker;
854
855 const struct flow_action_cookie *fa_cookie;
856 enum devlink_trap_type trap_type;
857 };
858
859 /**
860 * struct devlink_trap_policer - Immutable packet trap policer attributes.
861 * @id: Policer identifier.
862 * @init_rate: Initial rate in packets / sec.
863 * @init_burst: Initial burst size in packets.
864 * @max_rate: Maximum rate.
865 * @min_rate: Minimum rate.
866 * @max_burst: Maximum burst size.
867 * @min_burst: Minimum burst size.
868 *
869 * Describes immutable attributes of packet trap policers that drivers register
870 * with devlink.
871 */
872 struct devlink_trap_policer {
873 u32 id;
874 u64 init_rate;
875 u64 init_burst;
876 u64 max_rate;
877 u64 min_rate;
878 u64 max_burst;
879 u64 min_burst;
880 };
881
882 /**
883 * struct devlink_trap_group - Immutable packet trap group attributes.
884 * @name: Trap group name.
885 * @id: Trap group identifier.
886 * @generic: Whether the trap group is generic or not.
887 * @init_policer_id: Initial policer identifier.
888 *
889 * Describes immutable attributes of packet trap groups that drivers register
890 * with devlink.
891 */
892 struct devlink_trap_group {
893 const char *name;
894 u16 id;
895 bool generic;
896 u32 init_policer_id;
897 };
898
899 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
900 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
901
902 /**
903 * struct devlink_trap - Immutable packet trap attributes.
904 * @type: Trap type.
905 * @init_action: Initial trap action.
906 * @generic: Whether the trap is generic or not.
907 * @id: Trap identifier.
908 * @name: Trap name.
909 * @init_group_id: Initial group identifier.
910 * @metadata_cap: Metadata types that can be provided by the trap.
911 *
912 * Describes immutable attributes of packet traps that drivers register with
913 * devlink.
914 */
915 struct devlink_trap {
916 enum devlink_trap_type type;
917 enum devlink_trap_action init_action;
918 bool generic;
919 u16 id;
920 const char *name;
921 u16 init_group_id;
922 u32 metadata_cap;
923 };
924
925 /* All traps must be documented in
926 * Documentation/networking/devlink/devlink-trap.rst
927 */
928 enum devlink_trap_generic_id {
929 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
930 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
931 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
932 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
933 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
934 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
935 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
936 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
937 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
938 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
939 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
940 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
941 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
942 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
943 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
944 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
945 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
946 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
947 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
948 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
949 DEVLINK_TRAP_GENERIC_ID_RPF,
950 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
951 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
952 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
953 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
954 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
955 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
956 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
957 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
958 DEVLINK_TRAP_GENERIC_ID_STP,
959 DEVLINK_TRAP_GENERIC_ID_LACP,
960 DEVLINK_TRAP_GENERIC_ID_LLDP,
961 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
962 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
963 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
964 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
965 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
966 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
967 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
968 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
969 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
970 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
971 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
972 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
973 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
974 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
975 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
976 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
977 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
978 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
979 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
980 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
981 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
982 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
983 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
984 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
985 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
986 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
987 DEVLINK_TRAP_GENERIC_ID_UC_LB,
988 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
989 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
990 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
991 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
992 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
993 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
994 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
995 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
996 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
997 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
998 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
999 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
1000 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
1001 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
1002 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
1003 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
1004 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
1005 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
1006 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
1007 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
1008 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
1009 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
1010 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
1011 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
1012 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
1013 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
1014 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
1015 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
1016 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
1017 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
1018 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
1019 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
1020 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
1021 DEVLINK_TRAP_GENERIC_ID_EAPOL,
1022 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
1023
1024 /* Add new generic trap IDs above */
1025 __DEVLINK_TRAP_GENERIC_ID_MAX,
1026 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
1027 };
1028
1029 /* All trap groups must be documented in
1030 * Documentation/networking/devlink/devlink-trap.rst
1031 */
1032 enum devlink_trap_group_generic_id {
1033 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
1034 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
1035 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
1036 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
1037 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
1038 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
1039 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
1040 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
1041 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
1042 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
1043 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
1044 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
1045 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
1046 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
1047 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
1048 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
1049 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
1050 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
1051 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
1052 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
1053 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
1054 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
1055 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
1056 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
1057 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
1058 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
1059 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
1060
1061 /* Add new generic trap group IDs above */
1062 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
1063 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
1064 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
1065 };
1066
1067 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
1068 "source_mac_is_multicast"
1069 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
1070 "vlan_tag_mismatch"
1071 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
1072 "ingress_vlan_filter"
1073 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
1074 "ingress_spanning_tree_filter"
1075 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
1076 "port_list_is_empty"
1077 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
1078 "port_loopback_filter"
1079 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
1080 "blackhole_route"
1081 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
1082 "ttl_value_is_too_small"
1083 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
1084 "tail_drop"
1085 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
1086 "non_ip"
1087 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
1088 "uc_dip_over_mc_dmac"
1089 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
1090 "dip_is_loopback_address"
1091 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
1092 "sip_is_mc"
1093 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
1094 "sip_is_loopback_address"
1095 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
1096 "ip_header_corrupted"
1097 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
1098 "ipv4_sip_is_limited_bc"
1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1100 "ipv6_mc_dip_reserved_scope"
1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1102 "ipv6_mc_dip_interface_local_scope"
1103 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1104 "mtu_value_is_too_small"
1105 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1106 "unresolved_neigh"
1107 #define DEVLINK_TRAP_GENERIC_NAME_RPF \
1108 "mc_reverse_path_forwarding"
1109 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1110 "reject_route"
1111 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1112 "ipv4_lpm_miss"
1113 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1114 "ipv6_lpm_miss"
1115 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1116 "non_routable_packet"
1117 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1118 "decap_error"
1119 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1120 "overlay_smac_is_mc"
1121 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1122 "ingress_flow_action_drop"
1123 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1124 "egress_flow_action_drop"
1125 #define DEVLINK_TRAP_GENERIC_NAME_STP \
1126 "stp"
1127 #define DEVLINK_TRAP_GENERIC_NAME_LACP \
1128 "lacp"
1129 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1130 "lldp"
1131 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1132 "igmp_query"
1133 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1134 "igmp_v1_report"
1135 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1136 "igmp_v2_report"
1137 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1138 "igmp_v3_report"
1139 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1140 "igmp_v2_leave"
1141 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1142 "mld_query"
1143 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1144 "mld_v1_report"
1145 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1146 "mld_v2_report"
1147 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1148 "mld_v1_done"
1149 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1150 "ipv4_dhcp"
1151 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1152 "ipv6_dhcp"
1153 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1154 "arp_request"
1155 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1156 "arp_response"
1157 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1158 "arp_overlay"
1159 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1160 "ipv6_neigh_solicit"
1161 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1162 "ipv6_neigh_advert"
1163 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1164 "ipv4_bfd"
1165 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1166 "ipv6_bfd"
1167 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1168 "ipv4_ospf"
1169 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1170 "ipv6_ospf"
1171 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1172 "ipv4_bgp"
1173 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1174 "ipv6_bgp"
1175 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1176 "ipv4_vrrp"
1177 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1178 "ipv6_vrrp"
1179 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1180 "ipv4_pim"
1181 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1182 "ipv6_pim"
1183 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1184 "uc_loopback"
1185 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1186 "local_route"
1187 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1188 "external_route"
1189 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1190 "ipv6_uc_dip_link_local_scope"
1191 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1192 "ipv6_dip_all_nodes"
1193 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1194 "ipv6_dip_all_routers"
1195 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1196 "ipv6_router_solicit"
1197 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1198 "ipv6_router_advert"
1199 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1200 "ipv6_redirect"
1201 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1202 "ipv4_router_alert"
1203 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1204 "ipv6_router_alert"
1205 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1206 "ptp_event"
1207 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1208 "ptp_general"
1209 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1210 "flow_action_sample"
1211 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1212 "flow_action_trap"
1213 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1214 "early_drop"
1215 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1216 "vxlan_parsing"
1217 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1218 "llc_snap_parsing"
1219 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1220 "vlan_parsing"
1221 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1222 "pppoe_ppp_parsing"
1223 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1224 "mpls_parsing"
1225 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1226 "arp_parsing"
1227 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1228 "ip_1_parsing"
1229 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1230 "ip_n_parsing"
1231 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1232 "gre_parsing"
1233 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1234 "udp_parsing"
1235 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1236 "tcp_parsing"
1237 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1238 "ipsec_parsing"
1239 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1240 "sctp_parsing"
1241 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1242 "dccp_parsing"
1243 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1244 "gtp_parsing"
1245 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1246 "esp_parsing"
1247 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1248 "blackhole_nexthop"
1249 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1250 "dmac_filter"
1251 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1252 "eapol"
1253 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1254 "locked_port"
1255
1256 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1257 "l2_drops"
1258 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1259 "l3_drops"
1260 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1261 "l3_exceptions"
1262 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1263 "buffer_drops"
1264 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1265 "tunnel_drops"
1266 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1267 "acl_drops"
1268 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1269 "stp"
1270 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1271 "lacp"
1272 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1273 "lldp"
1274 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1275 "mc_snooping"
1276 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1277 "dhcp"
1278 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1279 "neigh_discovery"
1280 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1281 "bfd"
1282 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1283 "ospf"
1284 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1285 "bgp"
1286 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1287 "vrrp"
1288 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1289 "pim"
1290 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1291 "uc_loopback"
1292 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1293 "local_delivery"
1294 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1295 "external_delivery"
1296 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1297 "ipv6"
1298 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1299 "ptp_event"
1300 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1301 "ptp_general"
1302 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1303 "acl_sample"
1304 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1305 "acl_trap"
1306 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1307 "parser_error_drops"
1308 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1309 "eapol"
1310
1311 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1312 _metadata_cap) \
1313 { \
1314 .type = DEVLINK_TRAP_TYPE_##_type, \
1315 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1316 .generic = true, \
1317 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1318 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1319 .init_group_id = _group_id, \
1320 .metadata_cap = _metadata_cap, \
1321 }
1322
1323 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1324 _metadata_cap) \
1325 { \
1326 .type = DEVLINK_TRAP_TYPE_##_type, \
1327 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1328 .generic = false, \
1329 .id = _id, \
1330 .name = _name, \
1331 .init_group_id = _group_id, \
1332 .metadata_cap = _metadata_cap, \
1333 }
1334
1335 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1336 { \
1337 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1338 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1339 .generic = true, \
1340 .init_policer_id = _policer_id, \
1341 }
1342
1343 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1344 _max_burst, _min_burst) \
1345 { \
1346 .id = _id, \
1347 .init_rate = _rate, \
1348 .init_burst = _burst, \
1349 .max_rate = _max_rate, \
1350 .min_rate = _min_rate, \
1351 .max_burst = _max_burst, \
1352 .min_burst = _min_burst, \
1353 }
1354
1355 #define devlink_fmsg_put(fmsg, name, value) ( \
1356 _Generic((value), \
1357 bool : devlink_fmsg_bool_pair_put, \
1358 u8 : devlink_fmsg_u8_pair_put, \
1359 u16 : devlink_fmsg_u32_pair_put, \
1360 u32 : devlink_fmsg_u32_pair_put, \
1361 u64 : devlink_fmsg_u64_pair_put, \
1362 int : devlink_fmsg_u32_pair_put, \
1363 char * : devlink_fmsg_string_pair_put, \
1364 const char * : devlink_fmsg_string_pair_put) \
1365 (fmsg, name, (value)))
1366
1367 enum {
1368 /* device supports reload operations */
1369 DEVLINK_F_RELOAD = 1UL << 0,
1370 };
1371
1372 struct devlink_ops {
1373 /**
1374 * @supported_flash_update_params:
1375 * mask of parameters supported by the driver's .flash_update
1376 * implementation.
1377 */
1378 u32 supported_flash_update_params;
1379 unsigned long reload_actions;
1380 unsigned long reload_limits;
1381 int (*reload_down)(struct devlink *devlink, bool netns_change,
1382 enum devlink_reload_action action,
1383 enum devlink_reload_limit limit,
1384 struct netlink_ext_ack *extack);
1385 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1386 enum devlink_reload_limit limit, u32 *actions_performed,
1387 struct netlink_ext_ack *extack);
1388 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1389 u16 pool_index,
1390 struct devlink_sb_pool_info *pool_info);
1391 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1392 u16 pool_index, u32 size,
1393 enum devlink_sb_threshold_type threshold_type,
1394 struct netlink_ext_ack *extack);
1395 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1396 unsigned int sb_index, u16 pool_index,
1397 u32 *p_threshold);
1398 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1399 unsigned int sb_index, u16 pool_index,
1400 u32 threshold, struct netlink_ext_ack *extack);
1401 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1402 unsigned int sb_index,
1403 u16 tc_index,
1404 enum devlink_sb_pool_type pool_type,
1405 u16 *p_pool_index, u32 *p_threshold);
1406 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1407 unsigned int sb_index,
1408 u16 tc_index,
1409 enum devlink_sb_pool_type pool_type,
1410 u16 pool_index, u32 threshold,
1411 struct netlink_ext_ack *extack);
1412 int (*sb_occ_snapshot)(struct devlink *devlink,
1413 unsigned int sb_index);
1414 int (*sb_occ_max_clear)(struct devlink *devlink,
1415 unsigned int sb_index);
1416 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1417 unsigned int sb_index, u16 pool_index,
1418 u32 *p_cur, u32 *p_max);
1419 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1420 unsigned int sb_index,
1421 u16 tc_index,
1422 enum devlink_sb_pool_type pool_type,
1423 u32 *p_cur, u32 *p_max);
1424
1425 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1426 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1427 struct netlink_ext_ack *extack);
1428 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1429 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1430 struct netlink_ext_ack *extack);
1431 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1432 enum devlink_eswitch_encap_mode *p_encap_mode);
1433 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1434 enum devlink_eswitch_encap_mode encap_mode,
1435 struct netlink_ext_ack *extack);
1436 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1437 struct netlink_ext_ack *extack);
1438 /**
1439 * @flash_update: Device flash update function
1440 *
1441 * Used to perform a flash update for the device. The set of
1442 * parameters supported by the driver should be set in
1443 * supported_flash_update_params.
1444 */
1445 int (*flash_update)(struct devlink *devlink,
1446 struct devlink_flash_update_params *params,
1447 struct netlink_ext_ack *extack);
1448 /**
1449 * @trap_init: Trap initialization function.
1450 *
1451 * Should be used by device drivers to initialize the trap in the
1452 * underlying device. Drivers should also store the provided trap
1453 * context, so that they could efficiently pass it to
1454 * devlink_trap_report() when the trap is triggered.
1455 */
1456 int (*trap_init)(struct devlink *devlink,
1457 const struct devlink_trap *trap, void *trap_ctx);
1458 /**
1459 * @trap_fini: Trap de-initialization function.
1460 *
1461 * Should be used by device drivers to de-initialize the trap in the
1462 * underlying device.
1463 */
1464 void (*trap_fini)(struct devlink *devlink,
1465 const struct devlink_trap *trap, void *trap_ctx);
1466 /**
1467 * @trap_action_set: Trap action set function.
1468 */
1469 int (*trap_action_set)(struct devlink *devlink,
1470 const struct devlink_trap *trap,
1471 enum devlink_trap_action action,
1472 struct netlink_ext_ack *extack);
1473 /**
1474 * @trap_group_init: Trap group initialization function.
1475 *
1476 * Should be used by device drivers to initialize the trap group in the
1477 * underlying device.
1478 */
1479 int (*trap_group_init)(struct devlink *devlink,
1480 const struct devlink_trap_group *group);
1481 /**
1482 * @trap_group_set: Trap group parameters set function.
1483 *
1484 * Note: @policer can be NULL when a policer is being unbound from
1485 * @group.
1486 */
1487 int (*trap_group_set)(struct devlink *devlink,
1488 const struct devlink_trap_group *group,
1489 const struct devlink_trap_policer *policer,
1490 struct netlink_ext_ack *extack);
1491 /**
1492 * @trap_group_action_set: Trap group action set function.
1493 *
1494 * If this callback is populated, it will take precedence over looping
1495 * over all traps in a group and calling .trap_action_set().
1496 */
1497 int (*trap_group_action_set)(struct devlink *devlink,
1498 const struct devlink_trap_group *group,
1499 enum devlink_trap_action action,
1500 struct netlink_ext_ack *extack);
1501 /**
1502 * @trap_drop_counter_get: Trap drop counter get function.
1503 *
1504 * Should be used by device drivers to report number of packets
1505 * that have been dropped, and cannot be passed to the devlink
1506 * subsystem by the underlying device.
1507 */
1508 int (*trap_drop_counter_get)(struct devlink *devlink,
1509 const struct devlink_trap *trap,
1510 u64 *p_drops);
1511 /**
1512 * @trap_policer_init: Trap policer initialization function.
1513 *
1514 * Should be used by device drivers to initialize the trap policer in
1515 * the underlying device.
1516 */
1517 int (*trap_policer_init)(struct devlink *devlink,
1518 const struct devlink_trap_policer *policer);
1519 /**
1520 * @trap_policer_fini: Trap policer de-initialization function.
1521 *
1522 * Should be used by device drivers to de-initialize the trap policer
1523 * in the underlying device.
1524 */
1525 void (*trap_policer_fini)(struct devlink *devlink,
1526 const struct devlink_trap_policer *policer);
1527 /**
1528 * @trap_policer_set: Trap policer parameters set function.
1529 */
1530 int (*trap_policer_set)(struct devlink *devlink,
1531 const struct devlink_trap_policer *policer,
1532 u64 rate, u64 burst,
1533 struct netlink_ext_ack *extack);
1534 /**
1535 * @trap_policer_counter_get: Trap policer counter get function.
1536 *
1537 * Should be used by device drivers to report number of packets dropped
1538 * by the policer.
1539 */
1540 int (*trap_policer_counter_get)(struct devlink *devlink,
1541 const struct devlink_trap_policer *policer,
1542 u64 *p_drops);
1543 /**
1544 * port_new() - Add a new port function of a specified flavor
1545 * @devlink: Devlink instance
1546 * @attrs: attributes of the new port
1547 * @extack: extack for reporting error messages
1548 * @devlink_port: pointer to store new devlink port pointer
1549 *
1550 * Devlink core will call this device driver function upon user request
1551 * to create a new port function of a specified flavor and optional
1552 * attributes
1553 *
1554 * Notes:
1555 * - On success, drivers must register a port with devlink core
1556 *
1557 * Return: 0 on success, negative value otherwise.
1558 */
1559 int (*port_new)(struct devlink *devlink,
1560 const struct devlink_port_new_attrs *attrs,
1561 struct netlink_ext_ack *extack,
1562 struct devlink_port **devlink_port);
1563
1564 /**
1565 * Rate control callbacks.
1566 */
1567 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1568 u64 tx_share, struct netlink_ext_ack *extack);
1569 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1570 u64 tx_max, struct netlink_ext_ack *extack);
1571 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1572 u32 tx_priority, struct netlink_ext_ack *extack);
1573 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1574 u32 tx_weight, struct netlink_ext_ack *extack);
1575 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate,
1576 void *priv, u32 *tc_bw,
1577 struct netlink_ext_ack *extack);
1578 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1579 u64 tx_share, struct netlink_ext_ack *extack);
1580 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1581 u64 tx_max, struct netlink_ext_ack *extack);
1582 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1583 u32 tx_priority, struct netlink_ext_ack *extack);
1584 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1585 u32 tx_weight, struct netlink_ext_ack *extack);
1586 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate,
1587 void *priv, u32 *tc_bw,
1588 struct netlink_ext_ack *extack);
1589 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1590 struct netlink_ext_ack *extack);
1591 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1592 struct netlink_ext_ack *extack);
1593 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1594 struct devlink_rate *parent,
1595 void *priv_child, void *priv_parent,
1596 struct netlink_ext_ack *extack);
1597 int (*rate_node_parent_set)(struct devlink_rate *child,
1598 struct devlink_rate *parent,
1599 void *priv_child, void *priv_parent,
1600 struct netlink_ext_ack *extack);
1601 /* Indicates if cross-device rate nodes are supported.
1602 * This also requires a shared common ancestor object all devices that
1603 * could share rate nodes are nested in.
1604 * If enabled, rate operations may be called on an instance with only
1605 * the common ancestor lock held and *without that instance lock held*.
1606 * It is the driver's responsibility to ensure proper serialization
1607 * with other operations.
1608 */
1609 bool supported_cross_device_rate_nodes;
1610 /**
1611 * selftests_check() - queries if selftest is supported
1612 * @devlink: devlink instance
1613 * @id: test index
1614 * @extack: extack for reporting error messages
1615 *
1616 * Return: true if test is supported by the driver
1617 */
1618 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1619 struct netlink_ext_ack *extack);
1620 /**
1621 * selftest_run() - Runs a selftest
1622 * @devlink: devlink instance
1623 * @id: test index
1624 * @extack: extack for reporting error messages
1625 *
1626 * Return: status of the test
1627 */
1628 enum devlink_selftest_status
1629 (*selftest_run)(struct devlink *devlink, unsigned int id,
1630 struct netlink_ext_ack *extack);
1631 };
1632
1633 void *devlink_priv(struct devlink *devlink);
1634 struct devlink *priv_to_devlink(void *priv);
1635 struct device *devlink_to_dev(const struct devlink *devlink);
1636 const char *devlink_bus_name(const struct devlink *devlink);
1637 const char *devlink_dev_name(const struct devlink *devlink);
1638 const char *devlink_dev_driver_name(const struct devlink *devlink);
1639
1640 /* Devlink instance explicit locking */
1641 void devl_lock(struct devlink *devlink);
1642 int devl_trylock(struct devlink *devlink);
1643 void devl_unlock(struct devlink *devlink);
1644 void devl_assert_locked(struct devlink *devlink);
1645 bool devl_lock_is_held(struct devlink *devlink);
1646 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T));
1647
1648 struct ib_device;
1649
1650 struct net *devlink_net(const struct devlink *devlink);
1651 /* This call is intended for software devices that can create
1652 * devlink instances in other namespaces than init_net.
1653 *
1654 * Drivers that operate on real HW must use devlink_alloc() instead.
1655 */
1656 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1657 size_t priv_size, struct net *net,
1658 struct device *dev);
devlink_alloc(const struct devlink_ops * ops,size_t priv_size,struct device * dev)1659 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1660 size_t priv_size,
1661 struct device *dev)
1662 {
1663 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1664 }
1665
1666 int devl_register(struct devlink *devlink);
1667 void devl_unregister(struct devlink *devlink);
1668 void devlink_register(struct devlink *devlink);
1669 void devlink_unregister(struct devlink *devlink);
1670 void devlink_free(struct devlink *devlink);
1671
1672 struct devlink *devlink_shd_get(const char *id,
1673 const struct devlink_ops *ops,
1674 size_t priv_size,
1675 const struct device_driver *driver);
1676 void devlink_shd_put(struct devlink *devlink);
1677 void *devlink_shd_get_priv(struct devlink *devlink);
1678
1679 /**
1680 * struct devlink_port_ops - Port operations
1681 * @port_split: Callback used to split the port into multiple ones.
1682 * @port_unsplit: Callback used to unsplit the port group back into
1683 * a single port.
1684 * @port_type_set: Callback used to set a type of a port.
1685 * @port_del: Callback used to delete selected port along with related function.
1686 * Devlink core calls this upon user request to delete
1687 * a port previously created by devlink_ops->port_new().
1688 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1689 * Should be used by device drivers to report
1690 * the hardware address of a function managed
1691 * by the devlink port.
1692 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1693 * Should be used by device drivers to set the hardware
1694 * address of a function managed by the devlink port.
1695 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1696 * Should be used by device drivers to report
1697 * the current state of RoCE capability of a function
1698 * managed by the devlink port.
1699 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1700 * Should be used by device drivers to enable/disable
1701 * RoCE capability of a function managed
1702 * by the devlink port.
1703 * @port_fn_migratable_get: Callback used to get port function's migratable
1704 * capability. Should be used by device drivers
1705 * to report the current state of migratable capability
1706 * of a function managed by the devlink port.
1707 * @port_fn_migratable_set: Callback used to set port function's migratable
1708 * capability. Should be used by device drivers
1709 * to enable/disable migratable capability of
1710 * a function managed by the devlink port.
1711 * @port_fn_state_get: Callback used to get port function's state.
1712 * Should be used by device drivers to report
1713 * the current admin and operational state of a
1714 * function managed by the devlink port.
1715 * @port_fn_state_set: Callback used to get port function's state.
1716 * Should be used by device drivers set
1717 * the admin state of a function managed
1718 * by the devlink port.
1719 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
1720 * capability. Should be used by device drivers
1721 * to report the current state of ipsec_crypto
1722 * capability of a function managed by the devlink
1723 * port.
1724 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
1725 * capability. Should be used by device drivers to
1726 * enable/disable ipsec_crypto capability of a
1727 * function managed by the devlink port.
1728 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
1729 * capability. Should be used by device drivers
1730 * to report the current state of ipsec_packet
1731 * capability of a function managed by the devlink
1732 * port.
1733 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
1734 * capability. Should be used by device drivers to
1735 * enable/disable ipsec_packet capability of a
1736 * function managed by the devlink port.
1737 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number
1738 * of event queues. Should be used by device drivers to
1739 * report the maximum event queues of a function
1740 * managed by the devlink port.
1741 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number
1742 * of event queues. Should be used by device drivers to
1743 * configure maximum number of event queues
1744 * of a function managed by the devlink port.
1745 *
1746 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1747 * port function (@port_fn_*) handling for a particular port.
1748 */
1749 struct devlink_port_ops {
1750 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1751 unsigned int count, struct netlink_ext_ack *extack);
1752 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1753 struct netlink_ext_ack *extack);
1754 int (*port_type_set)(struct devlink_port *devlink_port,
1755 enum devlink_port_type port_type);
1756 int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1757 struct netlink_ext_ack *extack);
1758 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1759 int *hw_addr_len,
1760 struct netlink_ext_ack *extack);
1761 int (*port_fn_hw_addr_set)(struct devlink_port *port,
1762 const u8 *hw_addr, int hw_addr_len,
1763 struct netlink_ext_ack *extack);
1764 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1765 bool *is_enable,
1766 struct netlink_ext_ack *extack);
1767 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1768 bool enable, struct netlink_ext_ack *extack);
1769 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1770 bool *is_enable,
1771 struct netlink_ext_ack *extack);
1772 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1773 bool enable,
1774 struct netlink_ext_ack *extack);
1775 int (*port_fn_state_get)(struct devlink_port *port,
1776 enum devlink_port_fn_state *state,
1777 enum devlink_port_fn_opstate *opstate,
1778 struct netlink_ext_ack *extack);
1779 int (*port_fn_state_set)(struct devlink_port *port,
1780 enum devlink_port_fn_state state,
1781 struct netlink_ext_ack *extack);
1782 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
1783 bool *is_enable,
1784 struct netlink_ext_ack *extack);
1785 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
1786 bool enable,
1787 struct netlink_ext_ack *extack);
1788 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
1789 bool *is_enable,
1790 struct netlink_ext_ack *extack);
1791 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
1792 bool enable,
1793 struct netlink_ext_ack *extack);
1794 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port,
1795 u32 *max_eqs,
1796 struct netlink_ext_ack *extack);
1797 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port,
1798 u32 max_eqs,
1799 struct netlink_ext_ack *extack);
1800 };
1801
1802 void devlink_port_init(struct devlink *devlink,
1803 struct devlink_port *devlink_port);
1804 void devlink_port_fini(struct devlink_port *devlink_port);
1805
1806 int devl_port_register_with_ops(struct devlink *devlink,
1807 struct devlink_port *devlink_port,
1808 unsigned int port_index,
1809 const struct devlink_port_ops *ops);
1810
devl_port_register(struct devlink * devlink,struct devlink_port * devlink_port,unsigned int port_index)1811 static inline int devl_port_register(struct devlink *devlink,
1812 struct devlink_port *devlink_port,
1813 unsigned int port_index)
1814 {
1815 return devl_port_register_with_ops(devlink, devlink_port,
1816 port_index, NULL);
1817 }
1818
1819 int devlink_port_register_with_ops(struct devlink *devlink,
1820 struct devlink_port *devlink_port,
1821 unsigned int port_index,
1822 const struct devlink_port_ops *ops);
1823
devlink_port_register(struct devlink * devlink,struct devlink_port * devlink_port,unsigned int port_index)1824 static inline int devlink_port_register(struct devlink *devlink,
1825 struct devlink_port *devlink_port,
1826 unsigned int port_index)
1827 {
1828 return devlink_port_register_with_ops(devlink, devlink_port,
1829 port_index, NULL);
1830 }
1831
1832 void devl_port_unregister(struct devlink_port *devlink_port);
1833 void devlink_port_unregister(struct devlink_port *devlink_port);
1834 void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1835 void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1836 struct ib_device *ibdev);
1837 void devlink_port_type_clear(struct devlink_port *devlink_port);
1838 void devlink_port_attrs_set(struct devlink_port *devlink_port,
1839 const struct devlink_port_attrs *attrs);
1840 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1841 u16 pf, bool external);
1842 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1843 u16 pf, u16 vf, bool external);
1844 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1845 u32 controller, u16 pf, u32 sf,
1846 bool external);
1847 int devl_port_fn_devlink_set(struct devlink_port *devlink_port,
1848 struct devlink *fn_devlink);
1849 struct devlink_rate *
1850 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1851 struct devlink_rate *parent);
1852 int
1853 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1854 struct devlink_rate *parent);
1855 void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1856 void devl_rate_nodes_destroy(struct devlink *devlink);
1857 void devlink_port_linecard_set(struct devlink_port *devlink_port,
1858 struct devlink_linecard *linecard);
1859 struct devlink_linecard *
1860 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1861 const struct devlink_linecard_ops *ops, void *priv);
1862 void devl_linecard_destroy(struct devlink_linecard *linecard);
1863 void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1864 const char *type);
1865 void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1866 void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1867 void devlink_linecard_activate(struct devlink_linecard *linecard);
1868 void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1869 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1870 struct devlink *nested_devlink);
1871 int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1872 u32 size, u16 ingress_pools_count,
1873 u16 egress_pools_count, u16 ingress_tc_count,
1874 u16 egress_tc_count);
1875 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1876 u32 size, u16 ingress_pools_count,
1877 u16 egress_pools_count, u16 ingress_tc_count,
1878 u16 egress_tc_count);
1879 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1880 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1881 int devl_dpipe_table_register(struct devlink *devlink,
1882 const char *table_name,
1883 const struct devlink_dpipe_table_ops *table_ops,
1884 void *priv, bool counter_control_extern);
1885 void devl_dpipe_table_unregister(struct devlink *devlink,
1886 const char *table_name);
1887 void devl_dpipe_headers_register(struct devlink *devlink,
1888 struct devlink_dpipe_headers *dpipe_headers);
1889 void devl_dpipe_headers_unregister(struct devlink *devlink);
1890 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1891 const char *table_name);
1892 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1893 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1894 struct devlink_dpipe_entry *entry);
1895 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1896 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1897 int devlink_dpipe_action_put(struct sk_buff *skb,
1898 struct devlink_dpipe_action *action);
1899 int devlink_dpipe_match_put(struct sk_buff *skb,
1900 struct devlink_dpipe_match *match);
1901 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1902 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1903 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1904
1905 int devl_resource_register(struct devlink *devlink,
1906 const char *resource_name,
1907 u64 resource_size,
1908 u64 resource_id,
1909 u64 parent_resource_id,
1910 const struct devlink_resource_size_params *params);
1911 void devl_resources_unregister(struct devlink *devlink);
1912 void devlink_resources_unregister(struct devlink *devlink);
1913 int devl_resource_size_get(struct devlink *devlink,
1914 u64 resource_id,
1915 u64 *p_resource_size);
1916 int
1917 devl_port_resource_register(struct devlink_port *devlink_port,
1918 const char *resource_name,
1919 u64 resource_size, u64 resource_id,
1920 u64 parent_resource_id,
1921 const struct devlink_resource_size_params *params);
1922 void devl_port_resources_unregister(struct devlink_port *devlink_port);
1923 int devl_dpipe_table_resource_set(struct devlink *devlink,
1924 const char *table_name, u64 resource_id,
1925 u64 resource_units);
1926 void devl_resource_occ_get_register(struct devlink *devlink,
1927 u64 resource_id,
1928 devlink_resource_occ_get_t *occ_get,
1929 void *occ_get_priv);
1930 void devl_resource_occ_get_unregister(struct devlink *devlink,
1931 u64 resource_id);
1932 int devl_params_register(struct devlink *devlink,
1933 const struct devlink_param *params,
1934 size_t params_count);
1935 int devlink_params_register(struct devlink *devlink,
1936 const struct devlink_param *params,
1937 size_t params_count);
1938 void devl_params_unregister(struct devlink *devlink,
1939 const struct devlink_param *params,
1940 size_t params_count);
1941 void devlink_params_unregister(struct devlink *devlink,
1942 const struct devlink_param *params,
1943 size_t params_count);
1944 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1945 union devlink_param_value *val);
1946 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1947 union devlink_param_value *init_val);
1948 void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1949 struct devlink_region *devl_region_create(struct devlink *devlink,
1950 const struct devlink_region_ops *ops,
1951 u32 region_max_snapshots,
1952 u64 region_size);
1953 struct devlink_region *
1954 devlink_region_create(struct devlink *devlink,
1955 const struct devlink_region_ops *ops,
1956 u32 region_max_snapshots, u64 region_size);
1957 struct devlink_region *
1958 devlink_port_region_create(struct devlink_port *port,
1959 const struct devlink_port_region_ops *ops,
1960 u32 region_max_snapshots, u64 region_size);
1961 void devl_region_destroy(struct devlink_region *region);
1962 void devlink_region_destroy(struct devlink_region *region);
1963 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1964 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1965 int devlink_region_snapshot_create(struct devlink_region *region,
1966 u8 *data, u32 snapshot_id);
1967 int devlink_info_serial_number_put(struct devlink_info_req *req,
1968 const char *sn);
1969 int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1970 const char *bsn);
1971
1972 enum devlink_info_version_type {
1973 DEVLINK_INFO_VERSION_TYPE_NONE,
1974 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1975 * component by name.
1976 */
1977 };
1978
1979 int devlink_info_version_fixed_put(struct devlink_info_req *req,
1980 const char *version_name,
1981 const char *version_value);
1982 int devlink_info_version_stored_put(struct devlink_info_req *req,
1983 const char *version_name,
1984 const char *version_value);
1985 int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1986 const char *version_name,
1987 const char *version_value,
1988 enum devlink_info_version_type version_type);
1989 int devlink_info_version_running_put(struct devlink_info_req *req,
1990 const char *version_name,
1991 const char *version_value);
1992 int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1993 const char *version_name,
1994 const char *version_value,
1995 enum devlink_info_version_type version_type);
1996
1997 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1998 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1999
2000 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
2001 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
2002
2003 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
2004 const char *name);
2005 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
2006 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
2007 const char *name);
2008 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
2009
2010 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
2011 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
2012 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
2013 u16 value_len);
2014
2015 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
2016 bool value);
2017 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
2018 u8 value);
2019 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
2020 u32 value);
2021 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
2022 u64 value);
2023 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
2024 const char *value);
2025 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
2026 const void *value, u32 value_len);
2027
2028 struct devlink_health_reporter *
2029 devl_port_health_reporter_create(struct devlink_port *port,
2030 const struct devlink_health_reporter_ops *ops,
2031 void *priv);
2032
2033 struct devlink_health_reporter *
2034 devlink_port_health_reporter_create(struct devlink_port *port,
2035 const struct devlink_health_reporter_ops *ops,
2036 void *priv);
2037
2038 struct devlink_health_reporter *
2039 devl_health_reporter_create(struct devlink *devlink,
2040 const struct devlink_health_reporter_ops *ops,
2041 void *priv);
2042
2043 struct devlink_health_reporter *
2044 devlink_health_reporter_create(struct devlink *devlink,
2045 const struct devlink_health_reporter_ops *ops,
2046 void *priv);
2047
2048 void
2049 devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
2050
2051 void
2052 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
2053
2054 void *
2055 devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
2056 int devlink_health_report(struct devlink_health_reporter *reporter,
2057 const char *msg, void *priv_ctx);
2058 void
2059 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
2060 enum devlink_health_reporter_state state);
2061 void
2062 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
2063
2064 int devl_nested_devlink_set(struct devlink *devlink,
2065 struct devlink *nested_devlink);
2066 bool devlink_is_reload_failed(const struct devlink *devlink);
2067 void devlink_remote_reload_actions_performed(struct devlink *devlink,
2068 enum devlink_reload_limit limit,
2069 u32 actions_performed);
2070
2071 void devlink_flash_update_status_notify(struct devlink *devlink,
2072 const char *status_msg,
2073 const char *component,
2074 unsigned long done,
2075 unsigned long total);
2076 void devlink_flash_update_timeout_notify(struct devlink *devlink,
2077 const char *status_msg,
2078 const char *component,
2079 unsigned long timeout);
2080
2081 int devl_traps_register(struct devlink *devlink,
2082 const struct devlink_trap *traps,
2083 size_t traps_count, void *priv);
2084 int devlink_traps_register(struct devlink *devlink,
2085 const struct devlink_trap *traps,
2086 size_t traps_count, void *priv);
2087 void devl_traps_unregister(struct devlink *devlink,
2088 const struct devlink_trap *traps,
2089 size_t traps_count);
2090 void devlink_traps_unregister(struct devlink *devlink,
2091 const struct devlink_trap *traps,
2092 size_t traps_count);
2093 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
2094 void *trap_ctx, struct devlink_port *in_devlink_port,
2095 const struct flow_action_cookie *fa_cookie);
2096 void *devlink_trap_ctx_priv(void *trap_ctx);
2097 int devl_trap_groups_register(struct devlink *devlink,
2098 const struct devlink_trap_group *groups,
2099 size_t groups_count);
2100 int devlink_trap_groups_register(struct devlink *devlink,
2101 const struct devlink_trap_group *groups,
2102 size_t groups_count);
2103 void devl_trap_groups_unregister(struct devlink *devlink,
2104 const struct devlink_trap_group *groups,
2105 size_t groups_count);
2106 void devlink_trap_groups_unregister(struct devlink *devlink,
2107 const struct devlink_trap_group *groups,
2108 size_t groups_count);
2109 int
2110 devl_trap_policers_register(struct devlink *devlink,
2111 const struct devlink_trap_policer *policers,
2112 size_t policers_count);
2113 void
2114 devl_trap_policers_unregister(struct devlink *devlink,
2115 const struct devlink_trap_policer *policers,
2116 size_t policers_count);
2117
2118 #if IS_ENABLED(CONFIG_NET_DEVLINK)
2119
2120 struct devlink *__must_check devlink_try_get(struct devlink *devlink);
2121 void devlink_put(struct devlink *devlink);
2122
2123 void devlink_compat_running_version(struct devlink *devlink,
2124 char *buf, size_t len);
2125 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
2126 int devlink_compat_phys_port_name_get(struct net_device *dev,
2127 char *name, size_t len);
2128 int devlink_compat_switch_id_get(struct net_device *dev,
2129 struct netdev_phys_item_id *ppid);
2130
2131 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
2132 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
2133 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb);
2134
2135 #else
2136
devlink_try_get(struct devlink * devlink)2137 static inline struct devlink *devlink_try_get(struct devlink *devlink)
2138 {
2139 return NULL;
2140 }
2141
devlink_put(struct devlink * devlink)2142 static inline void devlink_put(struct devlink *devlink)
2143 {
2144 }
2145
2146 static inline void
devlink_compat_running_version(struct devlink * devlink,char * buf,size_t len)2147 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
2148 {
2149 }
2150
2151 static inline int
devlink_compat_flash_update(struct devlink * devlink,const char * file_name)2152 devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
2153 {
2154 return -EOPNOTSUPP;
2155 }
2156
2157 static inline int
devlink_compat_phys_port_name_get(struct net_device * dev,char * name,size_t len)2158 devlink_compat_phys_port_name_get(struct net_device *dev,
2159 char *name, size_t len)
2160 {
2161 return -EOPNOTSUPP;
2162 }
2163
2164 static inline int
devlink_compat_switch_id_get(struct net_device * dev,struct netdev_phys_item_id * ppid)2165 devlink_compat_switch_id_get(struct net_device *dev,
2166 struct netdev_phys_item_id *ppid)
2167 {
2168 return -EOPNOTSUPP;
2169 }
2170
2171 static inline int
devlink_nl_port_handle_fill(struct sk_buff * msg,struct devlink_port * devlink_port)2172 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
2173 {
2174 return 0;
2175 }
2176
devlink_nl_port_handle_size(struct devlink_port * devlink_port)2177 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2178 {
2179 return 0;
2180 }
2181
2182 #endif
2183
2184 #endif /* _NET_DEVLINK_H_ */
2185