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