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