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