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 <net/net_namespace.h> 18 #include <uapi/linux/devlink.h> 19 20 struct devlink_ops; 21 22 struct devlink { 23 struct list_head list; 24 struct list_head port_list; 25 struct list_head sb_list; 26 struct list_head dpipe_table_list; 27 struct list_head resource_list; 28 struct list_head param_list; 29 struct list_head region_list; 30 u32 snapshot_id; 31 struct list_head reporter_list; 32 struct mutex reporters_lock; /* protects reporter_list */ 33 struct devlink_dpipe_headers *dpipe_headers; 34 const struct devlink_ops *ops; 35 struct device *dev; 36 possible_net_t _net; 37 struct mutex lock; 38 char priv[0] __aligned(NETDEV_ALIGN); 39 }; 40 41 struct devlink_port_phys_attrs { 42 u32 port_number; /* Same value as "split group". 43 * A physical port which is visible to the user 44 * for a given port flavour. 45 */ 46 u32 split_subport_number; 47 }; 48 49 struct devlink_port_pci_pf_attrs { 50 u16 pf; /* Associated PCI PF for this port. */ 51 }; 52 53 struct devlink_port_pci_vf_attrs { 54 u16 pf; /* Associated PCI PF for this port. */ 55 u16 vf; /* Associated PCI VF for of the PCI PF for this port. */ 56 }; 57 58 struct devlink_port_attrs { 59 u8 set:1, 60 split:1, 61 switch_port:1; 62 enum devlink_port_flavour flavour; 63 struct netdev_phys_item_id switch_id; 64 union { 65 struct devlink_port_phys_attrs phys; 66 struct devlink_port_pci_pf_attrs pci_pf; 67 struct devlink_port_pci_vf_attrs pci_vf; 68 }; 69 }; 70 71 struct devlink_port { 72 struct list_head list; 73 struct list_head param_list; 74 struct devlink *devlink; 75 unsigned index; 76 bool registered; 77 spinlock_t type_lock; /* Protects type and type_dev 78 * pointer consistency. 79 */ 80 enum devlink_port_type type; 81 enum devlink_port_type desired_type; 82 void *type_dev; 83 struct devlink_port_attrs attrs; 84 struct delayed_work type_warn_dw; 85 }; 86 87 struct devlink_sb_pool_info { 88 enum devlink_sb_pool_type pool_type; 89 u32 size; 90 enum devlink_sb_threshold_type threshold_type; 91 u32 cell_size; 92 }; 93 94 /** 95 * struct devlink_dpipe_field - dpipe field object 96 * @name: field name 97 * @id: index inside the headers field array 98 * @bitwidth: bitwidth 99 * @mapping_type: mapping type 100 */ 101 struct devlink_dpipe_field { 102 const char *name; 103 unsigned int id; 104 unsigned int bitwidth; 105 enum devlink_dpipe_field_mapping_type mapping_type; 106 }; 107 108 /** 109 * struct devlink_dpipe_header - dpipe header object 110 * @name: header name 111 * @id: index, global/local detrmined by global bit 112 * @fields: fields 113 * @fields_count: number of fields 114 * @global: indicates if header is shared like most protocol header 115 * or driver specific 116 */ 117 struct devlink_dpipe_header { 118 const char *name; 119 unsigned int id; 120 struct devlink_dpipe_field *fields; 121 unsigned int fields_count; 122 bool global; 123 }; 124 125 /** 126 * struct devlink_dpipe_match - represents match operation 127 * @type: type of match 128 * @header_index: header index (packets can have several headers of same 129 * type like in case of tunnels) 130 * @header: header 131 * @fieled_id: field index 132 */ 133 struct devlink_dpipe_match { 134 enum devlink_dpipe_match_type type; 135 unsigned int header_index; 136 struct devlink_dpipe_header *header; 137 unsigned int field_id; 138 }; 139 140 /** 141 * struct devlink_dpipe_action - represents action operation 142 * @type: type of action 143 * @header_index: header index (packets can have several headers of same 144 * type like in case of tunnels) 145 * @header: header 146 * @fieled_id: field index 147 */ 148 struct devlink_dpipe_action { 149 enum devlink_dpipe_action_type type; 150 unsigned int header_index; 151 struct devlink_dpipe_header *header; 152 unsigned int field_id; 153 }; 154 155 /** 156 * struct devlink_dpipe_value - represents value of match/action 157 * @action: action 158 * @match: match 159 * @mapping_value: in case the field has some mapping this value 160 * specified the mapping value 161 * @mapping_valid: specify if mapping value is valid 162 * @value_size: value size 163 * @value: value 164 * @mask: bit mask 165 */ 166 struct devlink_dpipe_value { 167 union { 168 struct devlink_dpipe_action *action; 169 struct devlink_dpipe_match *match; 170 }; 171 unsigned int mapping_value; 172 bool mapping_valid; 173 unsigned int value_size; 174 void *value; 175 void *mask; 176 }; 177 178 /** 179 * struct devlink_dpipe_entry - table entry object 180 * @index: index of the entry in the table 181 * @match_values: match values 182 * @matche_values_count: count of matches tuples 183 * @action_values: actions values 184 * @action_values_count: count of actions values 185 * @counter: value of counter 186 * @counter_valid: Specify if value is valid from hardware 187 */ 188 struct devlink_dpipe_entry { 189 u64 index; 190 struct devlink_dpipe_value *match_values; 191 unsigned int match_values_count; 192 struct devlink_dpipe_value *action_values; 193 unsigned int action_values_count; 194 u64 counter; 195 bool counter_valid; 196 }; 197 198 /** 199 * struct devlink_dpipe_dump_ctx - context provided to driver in order 200 * to dump 201 * @info: info 202 * @cmd: devlink command 203 * @skb: skb 204 * @nest: top attribute 205 * @hdr: hdr 206 */ 207 struct devlink_dpipe_dump_ctx { 208 struct genl_info *info; 209 enum devlink_command cmd; 210 struct sk_buff *skb; 211 struct nlattr *nest; 212 void *hdr; 213 }; 214 215 struct devlink_dpipe_table_ops; 216 217 /** 218 * struct devlink_dpipe_table - table object 219 * @priv: private 220 * @name: table name 221 * @counters_enabled: indicates if counters are active 222 * @counter_control_extern: indicates if counter control is in dpipe or 223 * external tool 224 * @resource_valid: Indicate that the resource id is valid 225 * @resource_id: relative resource this table is related to 226 * @resource_units: number of resource's unit consumed per table's entry 227 * @table_ops: table operations 228 * @rcu: rcu 229 */ 230 struct devlink_dpipe_table { 231 void *priv; 232 struct list_head list; 233 const char *name; 234 bool counters_enabled; 235 bool counter_control_extern; 236 bool resource_valid; 237 u64 resource_id; 238 u64 resource_units; 239 struct devlink_dpipe_table_ops *table_ops; 240 struct rcu_head rcu; 241 }; 242 243 /** 244 * struct devlink_dpipe_table_ops - dpipe_table ops 245 * @actions_dump - dumps all tables actions 246 * @matches_dump - dumps all tables matches 247 * @entries_dump - dumps all active entries in the table 248 * @counters_set_update - when changing the counter status hardware sync 249 * maybe needed to allocate/free counter related 250 * resources 251 * @size_get - get size 252 */ 253 struct devlink_dpipe_table_ops { 254 int (*actions_dump)(void *priv, struct sk_buff *skb); 255 int (*matches_dump)(void *priv, struct sk_buff *skb); 256 int (*entries_dump)(void *priv, bool counters_enabled, 257 struct devlink_dpipe_dump_ctx *dump_ctx); 258 int (*counters_set_update)(void *priv, bool enable); 259 u64 (*size_get)(void *priv); 260 }; 261 262 /** 263 * struct devlink_dpipe_headers - dpipe headers 264 * @headers - header array can be shared (global bit) or driver specific 265 * @headers_count - count of headers 266 */ 267 struct devlink_dpipe_headers { 268 struct devlink_dpipe_header **headers; 269 unsigned int headers_count; 270 }; 271 272 /** 273 * struct devlink_resource_size_params - resource's size parameters 274 * @size_min: minimum size which can be set 275 * @size_max: maximum size which can be set 276 * @size_granularity: size granularity 277 * @size_unit: resource's basic unit 278 */ 279 struct devlink_resource_size_params { 280 u64 size_min; 281 u64 size_max; 282 u64 size_granularity; 283 enum devlink_resource_unit unit; 284 }; 285 286 static inline void 287 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 288 u64 size_min, u64 size_max, 289 u64 size_granularity, 290 enum devlink_resource_unit unit) 291 { 292 size_params->size_min = size_min; 293 size_params->size_max = size_max; 294 size_params->size_granularity = size_granularity; 295 size_params->unit = unit; 296 } 297 298 typedef u64 devlink_resource_occ_get_t(void *priv); 299 300 /** 301 * struct devlink_resource - devlink resource 302 * @name: name of the resource 303 * @id: id, per devlink instance 304 * @size: size of the resource 305 * @size_new: updated size of the resource, reload is needed 306 * @size_valid: valid in case the total size of the resource is valid 307 * including its children 308 * @parent: parent resource 309 * @size_params: size parameters 310 * @list: parent list 311 * @resource_list: list of child resources 312 */ 313 struct devlink_resource { 314 const char *name; 315 u64 id; 316 u64 size; 317 u64 size_new; 318 bool size_valid; 319 struct devlink_resource *parent; 320 struct devlink_resource_size_params size_params; 321 struct list_head list; 322 struct list_head resource_list; 323 devlink_resource_occ_get_t *occ_get; 324 void *occ_get_priv; 325 }; 326 327 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 328 329 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 330 enum devlink_param_type { 331 DEVLINK_PARAM_TYPE_U8, 332 DEVLINK_PARAM_TYPE_U16, 333 DEVLINK_PARAM_TYPE_U32, 334 DEVLINK_PARAM_TYPE_STRING, 335 DEVLINK_PARAM_TYPE_BOOL, 336 }; 337 338 union devlink_param_value { 339 u8 vu8; 340 u16 vu16; 341 u32 vu32; 342 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 343 bool vbool; 344 }; 345 346 struct devlink_param_gset_ctx { 347 union devlink_param_value val; 348 enum devlink_param_cmode cmode; 349 }; 350 351 /** 352 * struct devlink_param - devlink configuration parameter data 353 * @name: name of the parameter 354 * @generic: indicates if the parameter is generic or driver specific 355 * @type: parameter type 356 * @supported_cmodes: bitmap of supported configuration modes 357 * @get: get parameter value, used for runtime and permanent 358 * configuration modes 359 * @set: set parameter value, used for runtime and permanent 360 * configuration modes 361 * @validate: validate input value is applicable (within value range, etc.) 362 * 363 * This struct should be used by the driver to fill the data for 364 * a parameter it registers. 365 */ 366 struct devlink_param { 367 u32 id; 368 const char *name; 369 bool generic; 370 enum devlink_param_type type; 371 unsigned long supported_cmodes; 372 int (*get)(struct devlink *devlink, u32 id, 373 struct devlink_param_gset_ctx *ctx); 374 int (*set)(struct devlink *devlink, u32 id, 375 struct devlink_param_gset_ctx *ctx); 376 int (*validate)(struct devlink *devlink, u32 id, 377 union devlink_param_value val, 378 struct netlink_ext_ack *extack); 379 }; 380 381 struct devlink_param_item { 382 struct list_head list; 383 const struct devlink_param *param; 384 union devlink_param_value driverinit_value; 385 bool driverinit_value_valid; 386 bool published; 387 }; 388 389 enum devlink_param_generic_id { 390 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 391 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 392 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 393 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 394 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 395 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 396 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 397 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 398 399 /* add new param generic ids above here*/ 400 __DEVLINK_PARAM_GENERIC_ID_MAX, 401 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 402 }; 403 404 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 405 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 406 407 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 408 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 409 410 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 411 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 412 413 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 414 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 415 416 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 417 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 418 419 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 420 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 421 422 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 423 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 424 425 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 426 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 427 428 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 429 { \ 430 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 431 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 432 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 433 .generic = true, \ 434 .supported_cmodes = _cmodes, \ 435 .get = _get, \ 436 .set = _set, \ 437 .validate = _validate, \ 438 } 439 440 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 441 { \ 442 .id = _id, \ 443 .name = _name, \ 444 .type = _type, \ 445 .supported_cmodes = _cmodes, \ 446 .get = _get, \ 447 .set = _set, \ 448 .validate = _validate, \ 449 } 450 451 /* Part number, identifier of board design */ 452 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 453 /* Revision of board design */ 454 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 455 /* Maker of the board */ 456 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 457 458 /* Control processor FW version */ 459 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 460 /* Data path microcode controlling high-speed packet processing */ 461 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 462 /* UNDI software version */ 463 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 464 /* NCSI support/handler version */ 465 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 466 467 struct devlink_region; 468 struct devlink_info_req; 469 470 typedef void devlink_snapshot_data_dest_t(const void *data); 471 472 struct devlink_fmsg; 473 struct devlink_health_reporter; 474 475 enum devlink_health_reporter_state { 476 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 477 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 478 }; 479 480 /** 481 * struct devlink_health_reporter_ops - Reporter operations 482 * @name: reporter name 483 * @recover: callback to recover from reported error 484 * if priv_ctx is NULL, run a full recover 485 * @dump: callback to dump an object 486 * if priv_ctx is NULL, run a full dump 487 * @diagnose: callback to diagnose the current status 488 */ 489 490 struct devlink_health_reporter_ops { 491 char *name; 492 int (*recover)(struct devlink_health_reporter *reporter, 493 void *priv_ctx); 494 int (*dump)(struct devlink_health_reporter *reporter, 495 struct devlink_fmsg *fmsg, void *priv_ctx); 496 int (*diagnose)(struct devlink_health_reporter *reporter, 497 struct devlink_fmsg *fmsg); 498 }; 499 500 struct devlink_ops { 501 int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack); 502 int (*port_type_set)(struct devlink_port *devlink_port, 503 enum devlink_port_type port_type); 504 int (*port_split)(struct devlink *devlink, unsigned int port_index, 505 unsigned int count, struct netlink_ext_ack *extack); 506 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 507 struct netlink_ext_ack *extack); 508 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 509 u16 pool_index, 510 struct devlink_sb_pool_info *pool_info); 511 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 512 u16 pool_index, u32 size, 513 enum devlink_sb_threshold_type threshold_type, 514 struct netlink_ext_ack *extack); 515 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 516 unsigned int sb_index, u16 pool_index, 517 u32 *p_threshold); 518 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 519 unsigned int sb_index, u16 pool_index, 520 u32 threshold, struct netlink_ext_ack *extack); 521 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 522 unsigned int sb_index, 523 u16 tc_index, 524 enum devlink_sb_pool_type pool_type, 525 u16 *p_pool_index, u32 *p_threshold); 526 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 527 unsigned int sb_index, 528 u16 tc_index, 529 enum devlink_sb_pool_type pool_type, 530 u16 pool_index, u32 threshold, 531 struct netlink_ext_ack *extack); 532 int (*sb_occ_snapshot)(struct devlink *devlink, 533 unsigned int sb_index); 534 int (*sb_occ_max_clear)(struct devlink *devlink, 535 unsigned int sb_index); 536 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 537 unsigned int sb_index, u16 pool_index, 538 u32 *p_cur, u32 *p_max); 539 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 540 unsigned int sb_index, 541 u16 tc_index, 542 enum devlink_sb_pool_type pool_type, 543 u32 *p_cur, u32 *p_max); 544 545 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 546 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 547 struct netlink_ext_ack *extack); 548 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 549 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 550 struct netlink_ext_ack *extack); 551 int (*eswitch_encap_mode_get)(struct devlink *devlink, 552 enum devlink_eswitch_encap_mode *p_encap_mode); 553 int (*eswitch_encap_mode_set)(struct devlink *devlink, 554 enum devlink_eswitch_encap_mode encap_mode, 555 struct netlink_ext_ack *extack); 556 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 557 struct netlink_ext_ack *extack); 558 int (*flash_update)(struct devlink *devlink, const char *file_name, 559 const char *component, 560 struct netlink_ext_ack *extack); 561 }; 562 563 static inline void *devlink_priv(struct devlink *devlink) 564 { 565 BUG_ON(!devlink); 566 return &devlink->priv; 567 } 568 569 static inline struct devlink *priv_to_devlink(void *priv) 570 { 571 BUG_ON(!priv); 572 return container_of(priv, struct devlink, priv); 573 } 574 575 static inline struct devlink_port * 576 netdev_to_devlink_port(struct net_device *dev) 577 { 578 if (dev->netdev_ops->ndo_get_devlink_port) 579 return dev->netdev_ops->ndo_get_devlink_port(dev); 580 return NULL; 581 } 582 583 static inline struct devlink *netdev_to_devlink(struct net_device *dev) 584 { 585 struct devlink_port *devlink_port = netdev_to_devlink_port(dev); 586 587 if (devlink_port) 588 return devlink_port->devlink; 589 return NULL; 590 } 591 592 struct ib_device; 593 594 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 595 int devlink_register(struct devlink *devlink, struct device *dev); 596 void devlink_unregister(struct devlink *devlink); 597 void devlink_free(struct devlink *devlink); 598 int devlink_port_register(struct devlink *devlink, 599 struct devlink_port *devlink_port, 600 unsigned int port_index); 601 void devlink_port_unregister(struct devlink_port *devlink_port); 602 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 603 struct net_device *netdev); 604 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 605 struct ib_device *ibdev); 606 void devlink_port_type_clear(struct devlink_port *devlink_port); 607 void devlink_port_attrs_set(struct devlink_port *devlink_port, 608 enum devlink_port_flavour flavour, 609 u32 port_number, bool split, 610 u32 split_subport_number, 611 const unsigned char *switch_id, 612 unsigned char switch_id_len); 613 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, 614 const unsigned char *switch_id, 615 unsigned char switch_id_len, u16 pf); 616 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, 617 const unsigned char *switch_id, 618 unsigned char switch_id_len, 619 u16 pf, u16 vf); 620 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 621 u32 size, u16 ingress_pools_count, 622 u16 egress_pools_count, u16 ingress_tc_count, 623 u16 egress_tc_count); 624 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 625 int devlink_dpipe_table_register(struct devlink *devlink, 626 const char *table_name, 627 struct devlink_dpipe_table_ops *table_ops, 628 void *priv, bool counter_control_extern); 629 void devlink_dpipe_table_unregister(struct devlink *devlink, 630 const char *table_name); 631 int devlink_dpipe_headers_register(struct devlink *devlink, 632 struct devlink_dpipe_headers *dpipe_headers); 633 void devlink_dpipe_headers_unregister(struct devlink *devlink); 634 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 635 const char *table_name); 636 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 637 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 638 struct devlink_dpipe_entry *entry); 639 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 640 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 641 int devlink_dpipe_action_put(struct sk_buff *skb, 642 struct devlink_dpipe_action *action); 643 int devlink_dpipe_match_put(struct sk_buff *skb, 644 struct devlink_dpipe_match *match); 645 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 646 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 647 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 648 649 int devlink_resource_register(struct devlink *devlink, 650 const char *resource_name, 651 u64 resource_size, 652 u64 resource_id, 653 u64 parent_resource_id, 654 const struct devlink_resource_size_params *size_params); 655 void devlink_resources_unregister(struct devlink *devlink, 656 struct devlink_resource *resource); 657 int devlink_resource_size_get(struct devlink *devlink, 658 u64 resource_id, 659 u64 *p_resource_size); 660 int devlink_dpipe_table_resource_set(struct devlink *devlink, 661 const char *table_name, u64 resource_id, 662 u64 resource_units); 663 void devlink_resource_occ_get_register(struct devlink *devlink, 664 u64 resource_id, 665 devlink_resource_occ_get_t *occ_get, 666 void *occ_get_priv); 667 void devlink_resource_occ_get_unregister(struct devlink *devlink, 668 u64 resource_id); 669 int devlink_params_register(struct devlink *devlink, 670 const struct devlink_param *params, 671 size_t params_count); 672 void devlink_params_unregister(struct devlink *devlink, 673 const struct devlink_param *params, 674 size_t params_count); 675 void devlink_params_publish(struct devlink *devlink); 676 void devlink_params_unpublish(struct devlink *devlink); 677 int devlink_port_params_register(struct devlink_port *devlink_port, 678 const struct devlink_param *params, 679 size_t params_count); 680 void devlink_port_params_unregister(struct devlink_port *devlink_port, 681 const struct devlink_param *params, 682 size_t params_count); 683 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 684 union devlink_param_value *init_val); 685 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 686 union devlink_param_value init_val); 687 int 688 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, 689 u32 param_id, 690 union devlink_param_value *init_val); 691 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, 692 u32 param_id, 693 union devlink_param_value init_val); 694 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 695 void devlink_port_param_value_changed(struct devlink_port *devlink_port, 696 u32 param_id); 697 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 698 const char *src); 699 struct devlink_region *devlink_region_create(struct devlink *devlink, 700 const char *region_name, 701 u32 region_max_snapshots, 702 u64 region_size); 703 void devlink_region_destroy(struct devlink_region *region); 704 u32 devlink_region_shapshot_id_get(struct devlink *devlink); 705 int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len, 706 u8 *data, u32 snapshot_id, 707 devlink_snapshot_data_dest_t *data_destructor); 708 int devlink_info_serial_number_put(struct devlink_info_req *req, 709 const char *sn); 710 int devlink_info_driver_name_put(struct devlink_info_req *req, 711 const char *name); 712 int devlink_info_version_fixed_put(struct devlink_info_req *req, 713 const char *version_name, 714 const char *version_value); 715 int devlink_info_version_stored_put(struct devlink_info_req *req, 716 const char *version_name, 717 const char *version_value); 718 int devlink_info_version_running_put(struct devlink_info_req *req, 719 const char *version_name, 720 const char *version_value); 721 722 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 723 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 724 725 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 726 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 727 728 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 729 const char *name); 730 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 731 732 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); 733 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); 734 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 735 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); 736 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 737 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 738 u16 value_len); 739 740 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 741 bool value); 742 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 743 u8 value); 744 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 745 u32 value); 746 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 747 u64 value); 748 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 749 const char *value); 750 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 751 const void *value, u16 value_len); 752 753 struct devlink_health_reporter * 754 devlink_health_reporter_create(struct devlink *devlink, 755 const struct devlink_health_reporter_ops *ops, 756 u64 graceful_period, bool auto_recover, 757 void *priv); 758 void 759 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 760 761 void * 762 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 763 int devlink_health_report(struct devlink_health_reporter *reporter, 764 const char *msg, void *priv_ctx); 765 void 766 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 767 enum devlink_health_reporter_state state); 768 769 void devlink_flash_update_begin_notify(struct devlink *devlink); 770 void devlink_flash_update_end_notify(struct devlink *devlink); 771 void devlink_flash_update_status_notify(struct devlink *devlink, 772 const char *status_msg, 773 const char *component, 774 unsigned long done, 775 unsigned long total); 776 777 #if IS_ENABLED(CONFIG_NET_DEVLINK) 778 779 void devlink_compat_running_version(struct net_device *dev, 780 char *buf, size_t len); 781 int devlink_compat_flash_update(struct net_device *dev, const char *file_name); 782 int devlink_compat_phys_port_name_get(struct net_device *dev, 783 char *name, size_t len); 784 int devlink_compat_switch_id_get(struct net_device *dev, 785 struct netdev_phys_item_id *ppid); 786 787 #else 788 789 static inline void 790 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) 791 { 792 } 793 794 static inline int 795 devlink_compat_flash_update(struct net_device *dev, const char *file_name) 796 { 797 return -EOPNOTSUPP; 798 } 799 800 static inline int 801 devlink_compat_phys_port_name_get(struct net_device *dev, 802 char *name, size_t len) 803 { 804 return -EOPNOTSUPP; 805 } 806 807 static inline int 808 devlink_compat_switch_id_get(struct net_device *dev, 809 struct netdev_phys_item_id *ppid) 810 { 811 return -EOPNOTSUPP; 812 } 813 814 #endif 815 816 #endif /* _NET_DEVLINK_H_ */ 817