1 /* 2 * include/net/devlink.h - Network physical device Netlink interface 3 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 #ifndef _NET_DEVLINK_H_ 12 #define _NET_DEVLINK_H_ 13 14 #include <linux/device.h> 15 #include <linux/slab.h> 16 #include <linux/gfp.h> 17 #include <linux/list.h> 18 #include <linux/netdevice.h> 19 #include <net/net_namespace.h> 20 #include <uapi/linux/devlink.h> 21 22 struct devlink_ops; 23 24 struct devlink { 25 struct list_head list; 26 struct list_head port_list; 27 struct list_head sb_list; 28 struct list_head dpipe_table_list; 29 struct list_head resource_list; 30 struct list_head param_list; 31 struct list_head region_list; 32 u32 snapshot_id; 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_attrs { 42 bool set; 43 enum devlink_port_flavour flavour; 44 u32 port_number; /* same value as "split group" */ 45 bool split; 46 u32 split_subport_number; 47 }; 48 49 struct devlink_port { 50 struct list_head list; 51 struct devlink *devlink; 52 unsigned index; 53 bool registered; 54 enum devlink_port_type type; 55 enum devlink_port_type desired_type; 56 void *type_dev; 57 struct devlink_port_attrs attrs; 58 }; 59 60 struct devlink_sb_pool_info { 61 enum devlink_sb_pool_type pool_type; 62 u32 size; 63 enum devlink_sb_threshold_type threshold_type; 64 }; 65 66 /** 67 * struct devlink_dpipe_field - dpipe field object 68 * @name: field name 69 * @id: index inside the headers field array 70 * @bitwidth: bitwidth 71 * @mapping_type: mapping type 72 */ 73 struct devlink_dpipe_field { 74 const char *name; 75 unsigned int id; 76 unsigned int bitwidth; 77 enum devlink_dpipe_field_mapping_type mapping_type; 78 }; 79 80 /** 81 * struct devlink_dpipe_header - dpipe header object 82 * @name: header name 83 * @id: index, global/local detrmined by global bit 84 * @fields: fields 85 * @fields_count: number of fields 86 * @global: indicates if header is shared like most protocol header 87 * or driver specific 88 */ 89 struct devlink_dpipe_header { 90 const char *name; 91 unsigned int id; 92 struct devlink_dpipe_field *fields; 93 unsigned int fields_count; 94 bool global; 95 }; 96 97 /** 98 * struct devlink_dpipe_match - represents match operation 99 * @type: type of match 100 * @header_index: header index (packets can have several headers of same 101 * type like in case of tunnels) 102 * @header: header 103 * @fieled_id: field index 104 */ 105 struct devlink_dpipe_match { 106 enum devlink_dpipe_match_type type; 107 unsigned int header_index; 108 struct devlink_dpipe_header *header; 109 unsigned int field_id; 110 }; 111 112 /** 113 * struct devlink_dpipe_action - represents action operation 114 * @type: type of action 115 * @header_index: header index (packets can have several headers of same 116 * type like in case of tunnels) 117 * @header: header 118 * @fieled_id: field index 119 */ 120 struct devlink_dpipe_action { 121 enum devlink_dpipe_action_type type; 122 unsigned int header_index; 123 struct devlink_dpipe_header *header; 124 unsigned int field_id; 125 }; 126 127 /** 128 * struct devlink_dpipe_value - represents value of match/action 129 * @action: action 130 * @match: match 131 * @mapping_value: in case the field has some mapping this value 132 * specified the mapping value 133 * @mapping_valid: specify if mapping value is valid 134 * @value_size: value size 135 * @value: value 136 * @mask: bit mask 137 */ 138 struct devlink_dpipe_value { 139 union { 140 struct devlink_dpipe_action *action; 141 struct devlink_dpipe_match *match; 142 }; 143 unsigned int mapping_value; 144 bool mapping_valid; 145 unsigned int value_size; 146 void *value; 147 void *mask; 148 }; 149 150 /** 151 * struct devlink_dpipe_entry - table entry object 152 * @index: index of the entry in the table 153 * @match_values: match values 154 * @matche_values_count: count of matches tuples 155 * @action_values: actions values 156 * @action_values_count: count of actions values 157 * @counter: value of counter 158 * @counter_valid: Specify if value is valid from hardware 159 */ 160 struct devlink_dpipe_entry { 161 u64 index; 162 struct devlink_dpipe_value *match_values; 163 unsigned int match_values_count; 164 struct devlink_dpipe_value *action_values; 165 unsigned int action_values_count; 166 u64 counter; 167 bool counter_valid; 168 }; 169 170 /** 171 * struct devlink_dpipe_dump_ctx - context provided to driver in order 172 * to dump 173 * @info: info 174 * @cmd: devlink command 175 * @skb: skb 176 * @nest: top attribute 177 * @hdr: hdr 178 */ 179 struct devlink_dpipe_dump_ctx { 180 struct genl_info *info; 181 enum devlink_command cmd; 182 struct sk_buff *skb; 183 struct nlattr *nest; 184 void *hdr; 185 }; 186 187 struct devlink_dpipe_table_ops; 188 189 /** 190 * struct devlink_dpipe_table - table object 191 * @priv: private 192 * @name: table name 193 * @counters_enabled: indicates if counters are active 194 * @counter_control_extern: indicates if counter control is in dpipe or 195 * external tool 196 * @resource_valid: Indicate that the resource id is valid 197 * @resource_id: relative resource this table is related to 198 * @resource_units: number of resource's unit consumed per table's entry 199 * @table_ops: table operations 200 * @rcu: rcu 201 */ 202 struct devlink_dpipe_table { 203 void *priv; 204 struct list_head list; 205 const char *name; 206 bool counters_enabled; 207 bool counter_control_extern; 208 bool resource_valid; 209 u64 resource_id; 210 u64 resource_units; 211 struct devlink_dpipe_table_ops *table_ops; 212 struct rcu_head rcu; 213 }; 214 215 /** 216 * struct devlink_dpipe_table_ops - dpipe_table ops 217 * @actions_dump - dumps all tables actions 218 * @matches_dump - dumps all tables matches 219 * @entries_dump - dumps all active entries in the table 220 * @counters_set_update - when changing the counter status hardware sync 221 * maybe needed to allocate/free counter related 222 * resources 223 * @size_get - get size 224 */ 225 struct devlink_dpipe_table_ops { 226 int (*actions_dump)(void *priv, struct sk_buff *skb); 227 int (*matches_dump)(void *priv, struct sk_buff *skb); 228 int (*entries_dump)(void *priv, bool counters_enabled, 229 struct devlink_dpipe_dump_ctx *dump_ctx); 230 int (*counters_set_update)(void *priv, bool enable); 231 u64 (*size_get)(void *priv); 232 }; 233 234 /** 235 * struct devlink_dpipe_headers - dpipe headers 236 * @headers - header array can be shared (global bit) or driver specific 237 * @headers_count - count of headers 238 */ 239 struct devlink_dpipe_headers { 240 struct devlink_dpipe_header **headers; 241 unsigned int headers_count; 242 }; 243 244 /** 245 * struct devlink_resource_size_params - resource's size parameters 246 * @size_min: minimum size which can be set 247 * @size_max: maximum size which can be set 248 * @size_granularity: size granularity 249 * @size_unit: resource's basic unit 250 */ 251 struct devlink_resource_size_params { 252 u64 size_min; 253 u64 size_max; 254 u64 size_granularity; 255 enum devlink_resource_unit unit; 256 }; 257 258 static inline void 259 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 260 u64 size_min, u64 size_max, 261 u64 size_granularity, 262 enum devlink_resource_unit unit) 263 { 264 size_params->size_min = size_min; 265 size_params->size_max = size_max; 266 size_params->size_granularity = size_granularity; 267 size_params->unit = unit; 268 } 269 270 typedef u64 devlink_resource_occ_get_t(void *priv); 271 272 /** 273 * struct devlink_resource - devlink resource 274 * @name: name of the resource 275 * @id: id, per devlink instance 276 * @size: size of the resource 277 * @size_new: updated size of the resource, reload is needed 278 * @size_valid: valid in case the total size of the resource is valid 279 * including its children 280 * @parent: parent resource 281 * @size_params: size parameters 282 * @list: parent list 283 * @resource_list: list of child resources 284 */ 285 struct devlink_resource { 286 const char *name; 287 u64 id; 288 u64 size; 289 u64 size_new; 290 bool size_valid; 291 struct devlink_resource *parent; 292 struct devlink_resource_size_params size_params; 293 struct list_head list; 294 struct list_head resource_list; 295 devlink_resource_occ_get_t *occ_get; 296 void *occ_get_priv; 297 }; 298 299 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 300 301 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 302 enum devlink_param_type { 303 DEVLINK_PARAM_TYPE_U8, 304 DEVLINK_PARAM_TYPE_U16, 305 DEVLINK_PARAM_TYPE_U32, 306 DEVLINK_PARAM_TYPE_STRING, 307 DEVLINK_PARAM_TYPE_BOOL, 308 }; 309 310 union devlink_param_value { 311 u8 vu8; 312 u16 vu16; 313 u32 vu32; 314 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 315 bool vbool; 316 }; 317 318 struct devlink_param_gset_ctx { 319 union devlink_param_value val; 320 enum devlink_param_cmode cmode; 321 }; 322 323 /** 324 * struct devlink_param - devlink configuration parameter data 325 * @name: name of the parameter 326 * @generic: indicates if the parameter is generic or driver specific 327 * @type: parameter type 328 * @supported_cmodes: bitmap of supported configuration modes 329 * @get: get parameter value, used for runtime and permanent 330 * configuration modes 331 * @set: set parameter value, used for runtime and permanent 332 * configuration modes 333 * @validate: validate input value is applicable (within value range, etc.) 334 * 335 * This struct should be used by the driver to fill the data for 336 * a parameter it registers. 337 */ 338 struct devlink_param { 339 u32 id; 340 const char *name; 341 bool generic; 342 enum devlink_param_type type; 343 unsigned long supported_cmodes; 344 int (*get)(struct devlink *devlink, u32 id, 345 struct devlink_param_gset_ctx *ctx); 346 int (*set)(struct devlink *devlink, u32 id, 347 struct devlink_param_gset_ctx *ctx); 348 int (*validate)(struct devlink *devlink, u32 id, 349 union devlink_param_value val, 350 struct netlink_ext_ack *extack); 351 }; 352 353 struct devlink_param_item { 354 struct list_head list; 355 const struct devlink_param *param; 356 union devlink_param_value driverinit_value; 357 bool driverinit_value_valid; 358 }; 359 360 enum devlink_param_generic_id { 361 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 362 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 363 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 364 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 365 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 366 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 367 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 368 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 369 370 /* add new param generic ids above here*/ 371 __DEVLINK_PARAM_GENERIC_ID_MAX, 372 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 373 }; 374 375 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 376 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 377 378 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 379 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 380 381 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 382 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 383 384 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 385 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 386 387 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 388 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 389 390 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 391 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 392 393 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 394 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 395 396 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 397 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 398 399 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 400 { \ 401 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 402 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 403 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 404 .generic = true, \ 405 .supported_cmodes = _cmodes, \ 406 .get = _get, \ 407 .set = _set, \ 408 .validate = _validate, \ 409 } 410 411 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 412 { \ 413 .id = _id, \ 414 .name = _name, \ 415 .type = _type, \ 416 .supported_cmodes = _cmodes, \ 417 .get = _get, \ 418 .set = _set, \ 419 .validate = _validate, \ 420 } 421 422 struct devlink_region; 423 424 typedef void devlink_snapshot_data_dest_t(const void *data); 425 426 struct devlink_ops { 427 int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack); 428 int (*port_type_set)(struct devlink_port *devlink_port, 429 enum devlink_port_type port_type); 430 int (*port_split)(struct devlink *devlink, unsigned int port_index, 431 unsigned int count, struct netlink_ext_ack *extack); 432 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 433 struct netlink_ext_ack *extack); 434 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 435 u16 pool_index, 436 struct devlink_sb_pool_info *pool_info); 437 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 438 u16 pool_index, u32 size, 439 enum devlink_sb_threshold_type threshold_type); 440 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 441 unsigned int sb_index, u16 pool_index, 442 u32 *p_threshold); 443 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 444 unsigned int sb_index, u16 pool_index, 445 u32 threshold); 446 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 447 unsigned int sb_index, 448 u16 tc_index, 449 enum devlink_sb_pool_type pool_type, 450 u16 *p_pool_index, u32 *p_threshold); 451 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 452 unsigned int sb_index, 453 u16 tc_index, 454 enum devlink_sb_pool_type pool_type, 455 u16 pool_index, u32 threshold); 456 int (*sb_occ_snapshot)(struct devlink *devlink, 457 unsigned int sb_index); 458 int (*sb_occ_max_clear)(struct devlink *devlink, 459 unsigned int sb_index); 460 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 461 unsigned int sb_index, u16 pool_index, 462 u32 *p_cur, u32 *p_max); 463 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 464 unsigned int sb_index, 465 u16 tc_index, 466 enum devlink_sb_pool_type pool_type, 467 u32 *p_cur, u32 *p_max); 468 469 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 470 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 471 struct netlink_ext_ack *extack); 472 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 473 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 474 struct netlink_ext_ack *extack); 475 int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode); 476 int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode, 477 struct netlink_ext_ack *extack); 478 }; 479 480 static inline void *devlink_priv(struct devlink *devlink) 481 { 482 BUG_ON(!devlink); 483 return &devlink->priv; 484 } 485 486 static inline struct devlink *priv_to_devlink(void *priv) 487 { 488 BUG_ON(!priv); 489 return container_of(priv, struct devlink, priv); 490 } 491 492 struct ib_device; 493 494 #if IS_ENABLED(CONFIG_NET_DEVLINK) 495 496 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 497 int devlink_register(struct devlink *devlink, struct device *dev); 498 void devlink_unregister(struct devlink *devlink); 499 void devlink_free(struct devlink *devlink); 500 int devlink_port_register(struct devlink *devlink, 501 struct devlink_port *devlink_port, 502 unsigned int port_index); 503 void devlink_port_unregister(struct devlink_port *devlink_port); 504 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 505 struct net_device *netdev); 506 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 507 struct ib_device *ibdev); 508 void devlink_port_type_clear(struct devlink_port *devlink_port); 509 void devlink_port_attrs_set(struct devlink_port *devlink_port, 510 enum devlink_port_flavour flavour, 511 u32 port_number, bool split, 512 u32 split_subport_number); 513 int devlink_port_get_phys_port_name(struct devlink_port *devlink_port, 514 char *name, size_t len); 515 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 516 u32 size, u16 ingress_pools_count, 517 u16 egress_pools_count, u16 ingress_tc_count, 518 u16 egress_tc_count); 519 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 520 int devlink_dpipe_table_register(struct devlink *devlink, 521 const char *table_name, 522 struct devlink_dpipe_table_ops *table_ops, 523 void *priv, bool counter_control_extern); 524 void devlink_dpipe_table_unregister(struct devlink *devlink, 525 const char *table_name); 526 int devlink_dpipe_headers_register(struct devlink *devlink, 527 struct devlink_dpipe_headers *dpipe_headers); 528 void devlink_dpipe_headers_unregister(struct devlink *devlink); 529 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 530 const char *table_name); 531 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 532 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 533 struct devlink_dpipe_entry *entry); 534 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 535 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 536 int devlink_dpipe_action_put(struct sk_buff *skb, 537 struct devlink_dpipe_action *action); 538 int devlink_dpipe_match_put(struct sk_buff *skb, 539 struct devlink_dpipe_match *match); 540 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 541 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 542 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 543 544 int devlink_resource_register(struct devlink *devlink, 545 const char *resource_name, 546 u64 resource_size, 547 u64 resource_id, 548 u64 parent_resource_id, 549 const struct devlink_resource_size_params *size_params); 550 void devlink_resources_unregister(struct devlink *devlink, 551 struct devlink_resource *resource); 552 int devlink_resource_size_get(struct devlink *devlink, 553 u64 resource_id, 554 u64 *p_resource_size); 555 int devlink_dpipe_table_resource_set(struct devlink *devlink, 556 const char *table_name, u64 resource_id, 557 u64 resource_units); 558 void devlink_resource_occ_get_register(struct devlink *devlink, 559 u64 resource_id, 560 devlink_resource_occ_get_t *occ_get, 561 void *occ_get_priv); 562 void devlink_resource_occ_get_unregister(struct devlink *devlink, 563 u64 resource_id); 564 int devlink_params_register(struct devlink *devlink, 565 const struct devlink_param *params, 566 size_t params_count); 567 void devlink_params_unregister(struct devlink *devlink, 568 const struct devlink_param *params, 569 size_t params_count); 570 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 571 union devlink_param_value *init_val); 572 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 573 union devlink_param_value init_val); 574 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 575 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 576 const char *src); 577 struct devlink_region *devlink_region_create(struct devlink *devlink, 578 const char *region_name, 579 u32 region_max_snapshots, 580 u64 region_size); 581 void devlink_region_destroy(struct devlink_region *region); 582 u32 devlink_region_shapshot_id_get(struct devlink *devlink); 583 int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len, 584 u8 *data, u32 snapshot_id, 585 devlink_snapshot_data_dest_t *data_destructor); 586 587 #else 588 589 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 590 size_t priv_size) 591 { 592 return kzalloc(sizeof(struct devlink) + priv_size, GFP_KERNEL); 593 } 594 595 static inline int devlink_register(struct devlink *devlink, struct device *dev) 596 { 597 return 0; 598 } 599 600 static inline void devlink_unregister(struct devlink *devlink) 601 { 602 } 603 604 static inline void devlink_free(struct devlink *devlink) 605 { 606 kfree(devlink); 607 } 608 609 static inline int devlink_port_register(struct devlink *devlink, 610 struct devlink_port *devlink_port, 611 unsigned int port_index) 612 { 613 return 0; 614 } 615 616 static inline void devlink_port_unregister(struct devlink_port *devlink_port) 617 { 618 } 619 620 static inline void devlink_port_type_eth_set(struct devlink_port *devlink_port, 621 struct net_device *netdev) 622 { 623 } 624 625 static inline void devlink_port_type_ib_set(struct devlink_port *devlink_port, 626 struct ib_device *ibdev) 627 { 628 } 629 630 static inline void devlink_port_type_clear(struct devlink_port *devlink_port) 631 { 632 } 633 634 static inline void devlink_port_attrs_set(struct devlink_port *devlink_port, 635 enum devlink_port_flavour flavour, 636 u32 port_number, bool split, 637 u32 split_subport_number) 638 { 639 } 640 641 static inline int 642 devlink_port_get_phys_port_name(struct devlink_port *devlink_port, 643 char *name, size_t len) 644 { 645 return -EOPNOTSUPP; 646 } 647 648 static inline int devlink_sb_register(struct devlink *devlink, 649 unsigned int sb_index, u32 size, 650 u16 ingress_pools_count, 651 u16 egress_pools_count, 652 u16 ingress_tc_count, 653 u16 egress_tc_count) 654 { 655 return 0; 656 } 657 658 static inline void devlink_sb_unregister(struct devlink *devlink, 659 unsigned int sb_index) 660 { 661 } 662 663 static inline int 664 devlink_dpipe_table_register(struct devlink *devlink, 665 const char *table_name, 666 struct devlink_dpipe_table_ops *table_ops, 667 void *priv, bool counter_control_extern) 668 { 669 return 0; 670 } 671 672 static inline void devlink_dpipe_table_unregister(struct devlink *devlink, 673 const char *table_name) 674 { 675 } 676 677 static inline int devlink_dpipe_headers_register(struct devlink *devlink, 678 struct devlink_dpipe_headers * 679 dpipe_headers) 680 { 681 return 0; 682 } 683 684 static inline void devlink_dpipe_headers_unregister(struct devlink *devlink) 685 { 686 } 687 688 static inline bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 689 const char *table_name) 690 { 691 return false; 692 } 693 694 static inline int 695 devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx) 696 { 697 return 0; 698 } 699 700 static inline int 701 devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 702 struct devlink_dpipe_entry *entry) 703 { 704 return 0; 705 } 706 707 static inline int 708 devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx) 709 { 710 return 0; 711 } 712 713 static inline void 714 devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry) 715 { 716 } 717 718 static inline int 719 devlink_dpipe_action_put(struct sk_buff *skb, 720 struct devlink_dpipe_action *action) 721 { 722 return 0; 723 } 724 725 static inline int 726 devlink_dpipe_match_put(struct sk_buff *skb, 727 struct devlink_dpipe_match *match) 728 { 729 return 0; 730 } 731 732 static inline int 733 devlink_resource_register(struct devlink *devlink, 734 const char *resource_name, 735 u64 resource_size, 736 u64 resource_id, 737 u64 parent_resource_id, 738 const struct devlink_resource_size_params *size_params) 739 { 740 return 0; 741 } 742 743 static inline void 744 devlink_resources_unregister(struct devlink *devlink, 745 struct devlink_resource *resource) 746 { 747 } 748 749 static inline int 750 devlink_resource_size_get(struct devlink *devlink, u64 resource_id, 751 u64 *p_resource_size) 752 { 753 return -EOPNOTSUPP; 754 } 755 756 static inline int 757 devlink_dpipe_table_resource_set(struct devlink *devlink, 758 const char *table_name, u64 resource_id, 759 u64 resource_units) 760 { 761 return -EOPNOTSUPP; 762 } 763 764 static inline void 765 devlink_resource_occ_get_register(struct devlink *devlink, 766 u64 resource_id, 767 devlink_resource_occ_get_t *occ_get, 768 void *occ_get_priv) 769 { 770 } 771 772 static inline void 773 devlink_resource_occ_get_unregister(struct devlink *devlink, 774 u64 resource_id) 775 { 776 } 777 778 static inline int 779 devlink_params_register(struct devlink *devlink, 780 const struct devlink_param *params, 781 size_t params_count) 782 { 783 return 0; 784 } 785 786 static inline void 787 devlink_params_unregister(struct devlink *devlink, 788 const struct devlink_param *params, 789 size_t params_count) 790 { 791 792 } 793 794 static inline int 795 devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 796 union devlink_param_value *init_val) 797 { 798 return -EOPNOTSUPP; 799 } 800 801 static inline int 802 devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 803 union devlink_param_value init_val) 804 { 805 return -EOPNOTSUPP; 806 } 807 808 static inline void 809 devlink_param_value_changed(struct devlink *devlink, u32 param_id) 810 { 811 } 812 813 static inline void 814 devlink_param_value_str_fill(union devlink_param_value *dst_val, 815 const char *src) 816 { 817 } 818 819 static inline struct devlink_region * 820 devlink_region_create(struct devlink *devlink, 821 const char *region_name, 822 u32 region_max_snapshots, 823 u64 region_size) 824 { 825 return NULL; 826 } 827 828 static inline void 829 devlink_region_destroy(struct devlink_region *region) 830 { 831 } 832 833 static inline u32 834 devlink_region_shapshot_id_get(struct devlink *devlink) 835 { 836 return 0; 837 } 838 839 static inline int 840 devlink_region_snapshot_create(struct devlink_region *region, u64 data_len, 841 u8 *data, u32 snapshot_id, 842 devlink_snapshot_data_dest_t *data_destructor) 843 { 844 return 0; 845 } 846 847 #endif 848 849 #endif /* _NET_DEVLINK_H_ */ 850