1 /* 2 * Copyright (c) 2015, Mellanox Technologies, Ltd. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef __MLX5_ESWITCH_H__ 34 #define __MLX5_ESWITCH_H__ 35 36 #include <linux/if_ether.h> 37 #include <linux/if_link.h> 38 #include <linux/atomic.h> 39 #include <linux/xarray.h> 40 #include <net/devlink.h> 41 #include <linux/mlx5/device.h> 42 #include <linux/mlx5/eswitch.h> 43 #include <linux/mlx5/vport.h> 44 #include <linux/mlx5/fs.h> 45 #include "lib/mpfs.h" 46 #include "lib/fs_chains.h" 47 #include "sf/sf.h" 48 #include "en/tc_ct.h" 49 #include "en/tc/sample.h" 50 51 enum mlx5_mapped_obj_type { 52 MLX5_MAPPED_OBJ_CHAIN, 53 MLX5_MAPPED_OBJ_SAMPLE, 54 MLX5_MAPPED_OBJ_INT_PORT_METADATA, 55 }; 56 57 struct mlx5_mapped_obj { 58 enum mlx5_mapped_obj_type type; 59 union { 60 u32 chain; 61 struct { 62 u32 group_id; 63 u32 rate; 64 u32 trunc_size; 65 u32 tunnel_id; 66 } sample; 67 u32 int_port_metadata; 68 }; 69 }; 70 71 #ifdef CONFIG_MLX5_ESWITCH 72 73 #define ESW_OFFLOADS_DEFAULT_NUM_GROUPS 15 74 75 #define MLX5_MAX_UC_PER_VPORT(dev) \ 76 (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list)) 77 78 #define MLX5_MAX_MC_PER_VPORT(dev) \ 79 (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list)) 80 81 #define mlx5_esw_has_fwd_fdb(dev) \ 82 MLX5_CAP_ESW_FLOWTABLE(dev, fdb_multi_path_to_table) 83 84 #define esw_chains(esw) \ 85 ((esw)->fdb_table.offloads.esw_chains_priv) 86 87 enum { 88 MAPPING_TYPE_CHAIN, 89 MAPPING_TYPE_TUNNEL, 90 MAPPING_TYPE_TUNNEL_ENC_OPTS, 91 MAPPING_TYPE_LABELS, 92 MAPPING_TYPE_ZONE, 93 MAPPING_TYPE_INT_PORT, 94 }; 95 96 struct vport_ingress { 97 struct mlx5_flow_table *acl; 98 struct mlx5_flow_handle *allow_rule; 99 struct { 100 struct mlx5_flow_group *allow_spoofchk_only_grp; 101 struct mlx5_flow_group *allow_untagged_spoofchk_grp; 102 struct mlx5_flow_group *allow_untagged_only_grp; 103 struct mlx5_flow_group *drop_grp; 104 struct mlx5_flow_handle *drop_rule; 105 struct mlx5_fc *drop_counter; 106 } legacy; 107 struct { 108 /* Optional group to add an FTE to do internal priority 109 * tagging on ingress packets. 110 */ 111 struct mlx5_flow_group *metadata_prio_tag_grp; 112 /* Group to add default match-all FTE entry to tag ingress 113 * packet with metadata. 114 */ 115 struct mlx5_flow_group *metadata_allmatch_grp; 116 /* Optional group to add a drop all rule */ 117 struct mlx5_flow_group *drop_grp; 118 struct mlx5_modify_hdr *modify_metadata; 119 struct mlx5_flow_handle *modify_metadata_rule; 120 struct mlx5_flow_handle *drop_rule; 121 } offloads; 122 }; 123 124 struct vport_egress { 125 struct mlx5_flow_table *acl; 126 struct mlx5_flow_handle *allowed_vlan; 127 struct mlx5_flow_group *vlan_grp; 128 union { 129 struct { 130 struct mlx5_flow_group *drop_grp; 131 struct mlx5_flow_handle *drop_rule; 132 struct mlx5_fc *drop_counter; 133 } legacy; 134 struct { 135 struct mlx5_flow_group *fwd_grp; 136 struct mlx5_flow_handle *fwd_rule; 137 struct mlx5_flow_handle *bounce_rule; 138 struct mlx5_flow_group *bounce_grp; 139 } offloads; 140 }; 141 }; 142 143 struct mlx5_vport_drop_stats { 144 u64 rx_dropped; 145 u64 tx_dropped; 146 }; 147 148 struct mlx5_vport_info { 149 u8 mac[ETH_ALEN]; 150 u16 vlan; 151 u64 node_guid; 152 int link_state; 153 u8 qos; 154 u8 spoofchk: 1; 155 u8 trusted: 1; 156 }; 157 158 /* Vport context events */ 159 enum mlx5_eswitch_vport_event { 160 MLX5_VPORT_UC_ADDR_CHANGE = BIT(0), 161 MLX5_VPORT_MC_ADDR_CHANGE = BIT(1), 162 MLX5_VPORT_PROMISC_CHANGE = BIT(3), 163 }; 164 165 struct mlx5_vport { 166 struct mlx5_core_dev *dev; 167 struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE]; 168 struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE]; 169 struct mlx5_flow_handle *promisc_rule; 170 struct mlx5_flow_handle *allmulti_rule; 171 struct work_struct vport_change_handler; 172 173 struct vport_ingress ingress; 174 struct vport_egress egress; 175 u32 default_metadata; 176 u32 metadata; 177 178 struct mlx5_vport_info info; 179 180 struct { 181 bool enabled; 182 u32 esw_tsar_ix; 183 u32 bw_share; 184 u32 min_rate; 185 u32 max_rate; 186 struct mlx5_esw_rate_group *group; 187 } qos; 188 189 u16 vport; 190 bool enabled; 191 enum mlx5_eswitch_vport_event enabled_events; 192 int index; 193 struct devlink_port *dl_port; 194 struct dentry *dbgfs; 195 }; 196 197 struct mlx5_esw_indir_table; 198 199 struct mlx5_eswitch_fdb { 200 union { 201 struct legacy_fdb { 202 struct mlx5_flow_table *fdb; 203 struct mlx5_flow_group *addr_grp; 204 struct mlx5_flow_group *allmulti_grp; 205 struct mlx5_flow_group *promisc_grp; 206 struct mlx5_flow_table *vepa_fdb; 207 struct mlx5_flow_handle *vepa_uplink_rule; 208 struct mlx5_flow_handle *vepa_star_rule; 209 } legacy; 210 211 struct offloads_fdb { 212 struct mlx5_flow_namespace *ns; 213 struct mlx5_flow_table *tc_miss_table; 214 struct mlx5_flow_table *slow_fdb; 215 struct mlx5_flow_group *send_to_vport_grp; 216 struct mlx5_flow_group *send_to_vport_meta_grp; 217 struct mlx5_flow_group *peer_miss_grp; 218 struct mlx5_flow_handle **peer_miss_rules; 219 struct mlx5_flow_group *miss_grp; 220 struct mlx5_flow_handle **send_to_vport_meta_rules; 221 struct mlx5_flow_handle *miss_rule_uni; 222 struct mlx5_flow_handle *miss_rule_multi; 223 int vlan_push_pop_refcount; 224 225 struct mlx5_fs_chains *esw_chains_priv; 226 struct { 227 DECLARE_HASHTABLE(table, 8); 228 /* Protects vports.table */ 229 struct mutex lock; 230 } vports; 231 232 struct mlx5_esw_indir_table *indir; 233 234 } offloads; 235 }; 236 u32 flags; 237 }; 238 239 struct mlx5_esw_offload { 240 struct mlx5_flow_table *ft_offloads_restore; 241 struct mlx5_flow_group *restore_group; 242 struct mlx5_modify_hdr *restore_copy_hdr_id; 243 struct mapping_ctx *reg_c0_obj_pool; 244 245 struct mlx5_flow_table *ft_offloads; 246 struct mlx5_flow_group *vport_rx_group; 247 struct xarray vport_reps; 248 struct list_head peer_flows; 249 struct mutex peer_mutex; 250 struct mutex encap_tbl_lock; /* protects encap_tbl */ 251 DECLARE_HASHTABLE(encap_tbl, 8); 252 struct mutex decap_tbl_lock; /* protects decap_tbl */ 253 DECLARE_HASHTABLE(decap_tbl, 8); 254 struct mod_hdr_tbl mod_hdr; 255 DECLARE_HASHTABLE(termtbl_tbl, 8); 256 struct mutex termtbl_mutex; /* protects termtbl hash */ 257 struct xarray vhca_map; 258 const struct mlx5_eswitch_rep_ops *rep_ops[NUM_REP_TYPES]; 259 u8 inline_mode; 260 atomic64_t num_flows; 261 enum devlink_eswitch_encap_mode encap; 262 struct ida vport_metadata_ida; 263 unsigned int host_number; /* ECPF supports one external host */ 264 }; 265 266 /* E-Switch MC FDB table hash node */ 267 struct esw_mc_addr { /* SRIOV only */ 268 struct l2addr_node node; 269 struct mlx5_flow_handle *uplink_rule; /* Forward to uplink rule */ 270 u32 refcnt; 271 }; 272 273 struct mlx5_host_work { 274 struct work_struct work; 275 struct mlx5_eswitch *esw; 276 }; 277 278 struct mlx5_esw_functions { 279 struct mlx5_nb nb; 280 u16 num_vfs; 281 }; 282 283 enum { 284 MLX5_ESWITCH_VPORT_MATCH_METADATA = BIT(0), 285 MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED = BIT(1), 286 MLX5_ESWITCH_VPORT_ACL_NS_CREATED = BIT(2), 287 }; 288 289 struct mlx5_esw_bridge_offloads; 290 291 enum { 292 MLX5_ESW_FDB_CREATED = BIT(0), 293 }; 294 295 struct mlx5_eswitch { 296 struct mlx5_core_dev *dev; 297 struct mlx5_nb nb; 298 struct mlx5_eswitch_fdb fdb_table; 299 /* legacy data structures */ 300 struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE]; 301 struct esw_mc_addr mc_promisc; 302 /* end of legacy */ 303 struct workqueue_struct *work_queue; 304 struct xarray vports; 305 u32 flags; 306 int total_vports; 307 int enabled_vports; 308 /* Synchronize between vport change events 309 * and async SRIOV admin state changes 310 */ 311 struct mutex state_lock; 312 313 /* Protects eswitch mode change that occurs via one or more 314 * user commands, i.e. sriov state change, devlink commands. 315 */ 316 struct rw_semaphore mode_lock; 317 atomic64_t user_count; 318 319 struct { 320 u32 root_tsar_ix; 321 struct mlx5_esw_rate_group *group0; 322 struct list_head groups; /* Protected by esw->state_lock */ 323 324 /* Protected by esw->state_lock. 325 * Initially 0, meaning no QoS users and QoS is disabled. 326 */ 327 refcount_t refcnt; 328 } qos; 329 330 struct mlx5_esw_bridge_offloads *br_offloads; 331 struct mlx5_esw_offload offloads; 332 int mode; 333 u16 manager_vport; 334 u16 first_host_vport; 335 struct mlx5_esw_functions esw_funcs; 336 struct { 337 u32 large_group_num; 338 } params; 339 struct blocking_notifier_head n_head; 340 struct dentry *dbgfs; 341 }; 342 343 void esw_offloads_disable(struct mlx5_eswitch *esw); 344 int esw_offloads_enable(struct mlx5_eswitch *esw); 345 void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw); 346 int esw_offloads_init_reps(struct mlx5_eswitch *esw); 347 void esw_offloads_del_send_to_vport_meta_rules(struct mlx5_eswitch *esw); 348 349 bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw); 350 int mlx5_esw_offloads_vport_metadata_set(struct mlx5_eswitch *esw, bool enable); 351 u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw); 352 void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata); 353 354 int mlx5_esw_qos_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num, u32 rate_mbps); 355 356 /* E-Switch API */ 357 int mlx5_eswitch_init(struct mlx5_core_dev *dev); 358 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw); 359 360 #define MLX5_ESWITCH_IGNORE_NUM_VFS (-1) 361 int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs); 362 int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs); 363 void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf); 364 void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw); 365 void mlx5_eswitch_disable(struct mlx5_eswitch *esw); 366 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, 367 u16 vport, const u8 *mac); 368 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, 369 u16 vport, int link_state); 370 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, 371 u16 vport, u16 vlan, u8 qos); 372 int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw, 373 u16 vport, bool spoofchk); 374 int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw, 375 u16 vport_num, bool setting); 376 int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport, 377 u32 max_rate, u32 min_rate); 378 int mlx5_esw_qos_vport_update_group(struct mlx5_eswitch *esw, 379 struct mlx5_vport *vport, 380 struct mlx5_esw_rate_group *group, 381 struct netlink_ext_ack *extack); 382 int mlx5_eswitch_set_vepa(struct mlx5_eswitch *esw, u8 setting); 383 int mlx5_eswitch_get_vepa(struct mlx5_eswitch *esw, u8 *setting); 384 int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw, 385 u16 vport, struct ifla_vf_info *ivi); 386 int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw, 387 u16 vport, 388 struct ifla_vf_stats *vf_stats); 389 void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule); 390 391 int mlx5_eswitch_modify_esw_vport_context(struct mlx5_core_dev *dev, u16 vport, 392 bool other_vport, void *in); 393 394 struct mlx5_flow_spec; 395 struct mlx5_esw_flow_attr; 396 struct mlx5_termtbl_handle; 397 398 bool 399 mlx5_eswitch_termtbl_required(struct mlx5_eswitch *esw, 400 struct mlx5_flow_attr *attr, 401 struct mlx5_flow_act *flow_act, 402 struct mlx5_flow_spec *spec); 403 404 struct mlx5_flow_handle * 405 mlx5_eswitch_add_termtbl_rule(struct mlx5_eswitch *esw, 406 struct mlx5_flow_table *ft, 407 struct mlx5_flow_spec *spec, 408 struct mlx5_esw_flow_attr *attr, 409 struct mlx5_flow_act *flow_act, 410 struct mlx5_flow_destination *dest, 411 int num_dest); 412 413 void 414 mlx5_eswitch_termtbl_put(struct mlx5_eswitch *esw, 415 struct mlx5_termtbl_handle *tt); 416 417 void 418 mlx5_eswitch_clear_rule_source_port(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec); 419 420 struct mlx5_flow_handle * 421 mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, 422 struct mlx5_flow_spec *spec, 423 struct mlx5_flow_attr *attr); 424 struct mlx5_flow_handle * 425 mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw, 426 struct mlx5_flow_spec *spec, 427 struct mlx5_flow_attr *attr); 428 void 429 mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw, 430 struct mlx5_flow_handle *rule, 431 struct mlx5_flow_attr *attr); 432 void 433 mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw, 434 struct mlx5_flow_handle *rule, 435 struct mlx5_flow_attr *attr); 436 437 struct mlx5_flow_handle * 438 mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, u16 vport, 439 struct mlx5_flow_destination *dest); 440 441 enum { 442 SET_VLAN_STRIP = BIT(0), 443 SET_VLAN_INSERT = BIT(1) 444 }; 445 446 enum mlx5_flow_match_level { 447 MLX5_MATCH_NONE = MLX5_INLINE_MODE_NONE, 448 MLX5_MATCH_L2 = MLX5_INLINE_MODE_L2, 449 MLX5_MATCH_L3 = MLX5_INLINE_MODE_IP, 450 MLX5_MATCH_L4 = MLX5_INLINE_MODE_TCP_UDP, 451 }; 452 453 /* current maximum for flow based vport multicasting */ 454 #define MLX5_MAX_FLOW_FWD_VPORTS 32 455 456 enum { 457 MLX5_ESW_DEST_ENCAP = BIT(0), 458 MLX5_ESW_DEST_ENCAP_VALID = BIT(1), 459 MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE = BIT(2), 460 }; 461 462 struct mlx5_esw_flow_attr { 463 struct mlx5_eswitch_rep *in_rep; 464 struct mlx5_core_dev *in_mdev; 465 struct mlx5_core_dev *counter_dev; 466 struct mlx5e_tc_int_port *dest_int_port; 467 struct mlx5e_tc_int_port *int_port; 468 469 int split_count; 470 int out_count; 471 472 __be16 vlan_proto[MLX5_FS_VLAN_DEPTH]; 473 u16 vlan_vid[MLX5_FS_VLAN_DEPTH]; 474 u8 vlan_prio[MLX5_FS_VLAN_DEPTH]; 475 u8 total_vlan; 476 struct { 477 u32 flags; 478 struct mlx5_eswitch_rep *rep; 479 struct mlx5_pkt_reformat *pkt_reformat; 480 struct mlx5_core_dev *mdev; 481 struct mlx5_termtbl_handle *termtbl; 482 int src_port_rewrite_act_id; 483 } dests[MLX5_MAX_FLOW_FWD_VPORTS]; 484 struct mlx5_rx_tun_attr *rx_tun_attr; 485 struct ethhdr eth; 486 struct mlx5_pkt_reformat *decap_pkt_reformat; 487 }; 488 489 int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, 490 struct netlink_ext_ack *extack); 491 int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode); 492 int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode, 493 struct netlink_ext_ack *extack); 494 int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode); 495 int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, 496 enum devlink_eswitch_encap_mode encap, 497 struct netlink_ext_ack *extack); 498 int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, 499 enum devlink_eswitch_encap_mode *encap); 500 int mlx5_devlink_port_function_hw_addr_get(struct devlink_port *port, 501 u8 *hw_addr, int *hw_addr_len, 502 struct netlink_ext_ack *extack); 503 int mlx5_devlink_port_function_hw_addr_set(struct devlink_port *port, 504 const u8 *hw_addr, int hw_addr_len, 505 struct netlink_ext_ack *extack); 506 507 void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type); 508 509 int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw, 510 struct mlx5_flow_attr *attr); 511 int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw, 512 struct mlx5_flow_attr *attr); 513 int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, 514 u16 vport, u16 vlan, u8 qos, u8 set_flags); 515 516 static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev, 517 u8 vlan_depth) 518 { 519 bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) && 520 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan); 521 522 if (vlan_depth == 1) 523 return ret; 524 525 return ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) && 526 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2); 527 } 528 529 bool mlx5_esw_multipath_prereq(struct mlx5_core_dev *dev0, 530 struct mlx5_core_dev *dev1); 531 532 const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev); 533 534 #define MLX5_DEBUG_ESWITCH_MASK BIT(3) 535 536 #define esw_info(__dev, format, ...) \ 537 dev_info((__dev)->device, "E-Switch: " format, ##__VA_ARGS__) 538 539 #define esw_warn(__dev, format, ...) \ 540 dev_warn((__dev)->device, "E-Switch: " format, ##__VA_ARGS__) 541 542 #define esw_debug(dev, format, ...) \ 543 mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__) 544 545 static inline bool mlx5_esw_allowed(const struct mlx5_eswitch *esw) 546 { 547 return esw && MLX5_ESWITCH_MANAGER(esw->dev); 548 } 549 550 /* The returned number is valid only when the dev is eswitch manager. */ 551 static inline u16 mlx5_eswitch_manager_vport(struct mlx5_core_dev *dev) 552 { 553 return mlx5_core_is_ecpf_esw_manager(dev) ? 554 MLX5_VPORT_ECPF : MLX5_VPORT_PF; 555 } 556 557 static inline bool 558 mlx5_esw_is_manager_vport(const struct mlx5_eswitch *esw, u16 vport_num) 559 { 560 return esw->manager_vport == vport_num; 561 } 562 563 static inline u16 mlx5_eswitch_first_host_vport_num(struct mlx5_core_dev *dev) 564 { 565 return mlx5_core_is_ecpf_esw_manager(dev) ? 566 MLX5_VPORT_PF : MLX5_VPORT_FIRST_VF; 567 } 568 569 static inline bool mlx5_eswitch_is_funcs_handler(const struct mlx5_core_dev *dev) 570 { 571 return mlx5_core_is_ecpf_esw_manager(dev); 572 } 573 574 static inline unsigned int 575 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev, 576 u16 vport_num) 577 { 578 return (MLX5_CAP_GEN(dev, vhca_id) << 16) | vport_num; 579 } 580 581 static inline u16 582 mlx5_esw_devlink_port_index_to_vport_num(unsigned int dl_port_index) 583 { 584 return dl_port_index & 0xffff; 585 } 586 587 static inline bool mlx5_esw_is_fdb_created(struct mlx5_eswitch *esw) 588 { 589 return esw->fdb_table.flags & MLX5_ESW_FDB_CREATED; 590 } 591 592 /* TODO: This mlx5e_tc function shouldn't be called by eswitch */ 593 void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw); 594 595 /* Each mark identifies eswitch vport type. 596 * MLX5_ESW_VPT_HOST_FN is used to identify both PF and VF ports using 597 * a single mark. 598 * MLX5_ESW_VPT_VF identifies a SRIOV VF vport. 599 * MLX5_ESW_VPT_SF identifies SF vport. 600 */ 601 #define MLX5_ESW_VPT_HOST_FN XA_MARK_0 602 #define MLX5_ESW_VPT_VF XA_MARK_1 603 #define MLX5_ESW_VPT_SF XA_MARK_2 604 605 /* The vport iterator is valid only after vport are initialized in mlx5_eswitch_init. 606 * Borrowed the idea from xa_for_each_marked() but with support for desired last element. 607 */ 608 609 #define mlx5_esw_for_each_vport(esw, index, vport) \ 610 xa_for_each(&((esw)->vports), index, vport) 611 612 #define mlx5_esw_for_each_entry_marked(xa, index, entry, last, filter) \ 613 for (index = 0, entry = xa_find(xa, &index, last, filter); \ 614 entry; entry = xa_find_after(xa, &index, last, filter)) 615 616 #define mlx5_esw_for_each_vport_marked(esw, index, vport, last, filter) \ 617 mlx5_esw_for_each_entry_marked(&((esw)->vports), index, vport, last, filter) 618 619 #define mlx5_esw_for_each_vf_vport(esw, index, vport, last) \ 620 mlx5_esw_for_each_vport_marked(esw, index, vport, last, MLX5_ESW_VPT_VF) 621 622 #define mlx5_esw_for_each_host_func_vport(esw, index, vport, last) \ 623 mlx5_esw_for_each_vport_marked(esw, index, vport, last, MLX5_ESW_VPT_HOST_FN) 624 625 struct mlx5_eswitch *mlx5_devlink_eswitch_get(struct devlink *devlink); 626 struct mlx5_vport *__must_check 627 mlx5_eswitch_get_vport(struct mlx5_eswitch *esw, u16 vport_num); 628 629 bool mlx5_eswitch_is_vf_vport(struct mlx5_eswitch *esw, u16 vport_num); 630 bool mlx5_esw_is_sf_vport(struct mlx5_eswitch *esw, u16 vport_num); 631 632 int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type, void *data); 633 634 int 635 mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw, 636 enum mlx5_eswitch_vport_event enabled_events); 637 void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw); 638 639 int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num, 640 enum mlx5_eswitch_vport_event enabled_events); 641 void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num); 642 643 int 644 esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw, 645 struct mlx5_vport *vport); 646 void 647 esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw, 648 struct mlx5_vport *vport); 649 650 struct esw_vport_tbl_namespace { 651 int max_fte; 652 int max_num_groups; 653 u32 flags; 654 }; 655 656 struct mlx5_vport_tbl_attr { 657 u32 chain; 658 u16 prio; 659 u16 vport; 660 const struct esw_vport_tbl_namespace *vport_ns; 661 }; 662 663 struct mlx5_flow_table * 664 mlx5_esw_vporttbl_get(struct mlx5_eswitch *esw, struct mlx5_vport_tbl_attr *attr); 665 void 666 mlx5_esw_vporttbl_put(struct mlx5_eswitch *esw, struct mlx5_vport_tbl_attr *attr); 667 668 struct mlx5_flow_handle * 669 esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag); 670 671 int esw_offloads_load_rep(struct mlx5_eswitch *esw, u16 vport_num); 672 void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num); 673 674 int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num); 675 void mlx5_esw_offloads_rep_unload(struct mlx5_eswitch *esw, u16 vport_num); 676 677 int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num, 678 enum mlx5_eswitch_vport_event enabled_events); 679 void mlx5_eswitch_unload_vport(struct mlx5_eswitch *esw, u16 vport_num); 680 681 int mlx5_eswitch_load_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs, 682 enum mlx5_eswitch_vport_event enabled_events); 683 void mlx5_eswitch_unload_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs); 684 685 int mlx5_esw_offloads_devlink_port_register(struct mlx5_eswitch *esw, u16 vport_num); 686 void mlx5_esw_offloads_devlink_port_unregister(struct mlx5_eswitch *esw, u16 vport_num); 687 struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u16 vport_num); 688 689 void mlx5_esw_vport_debugfs_create(struct mlx5_eswitch *esw, u16 vport_num, bool is_sf, u16 sf_num); 690 void mlx5_esw_vport_debugfs_destroy(struct mlx5_eswitch *esw, u16 vport_num); 691 692 int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port, 693 u16 vport_num, u32 controller, u32 sfnum); 694 void mlx5_esw_devlink_sf_port_unregister(struct mlx5_eswitch *esw, u16 vport_num); 695 696 int mlx5_esw_offloads_sf_vport_enable(struct mlx5_eswitch *esw, struct devlink_port *dl_port, 697 u16 vport_num, u32 controller, u32 sfnum); 698 void mlx5_esw_offloads_sf_vport_disable(struct mlx5_eswitch *esw, u16 vport_num); 699 int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs, u16 *sf_base_id); 700 701 int mlx5_esw_vport_vhca_id_set(struct mlx5_eswitch *esw, u16 vport_num); 702 void mlx5_esw_vport_vhca_id_clear(struct mlx5_eswitch *esw, u16 vport_num); 703 int mlx5_eswitch_vhca_id_to_vport(struct mlx5_eswitch *esw, u16 vhca_id, u16 *vport_num); 704 705 /** 706 * mlx5_esw_event_info - Indicates eswitch mode changed/changing. 707 * 708 * @new_mode: New mode of eswitch. 709 */ 710 struct mlx5_esw_event_info { 711 u16 new_mode; 712 }; 713 714 int mlx5_esw_event_notifier_register(struct mlx5_eswitch *esw, struct notifier_block *n); 715 void mlx5_esw_event_notifier_unregister(struct mlx5_eswitch *esw, struct notifier_block *n); 716 717 bool mlx5_esw_hold(struct mlx5_core_dev *dev); 718 void mlx5_esw_release(struct mlx5_core_dev *dev); 719 void mlx5_esw_get(struct mlx5_core_dev *dev); 720 void mlx5_esw_put(struct mlx5_core_dev *dev); 721 int mlx5_esw_try_lock(struct mlx5_eswitch *esw); 722 void mlx5_esw_unlock(struct mlx5_eswitch *esw); 723 724 void esw_vport_change_handle_locked(struct mlx5_vport *vport); 725 726 bool mlx5_esw_offloads_controller_valid(const struct mlx5_eswitch *esw, u32 controller); 727 728 int mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw, 729 struct mlx5_eswitch *slave_esw); 730 void mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch *master_esw, 731 struct mlx5_eswitch *slave_esw); 732 int mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw); 733 734 #else /* CONFIG_MLX5_ESWITCH */ 735 /* eswitch API stubs */ 736 static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; } 737 static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {} 738 static inline int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) { return 0; } 739 static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf) {} 740 static inline void mlx5_eswitch_disable(struct mlx5_eswitch *esw) {} 741 static inline bool mlx5_eswitch_is_funcs_handler(struct mlx5_core_dev *dev) { return false; } 742 static inline 743 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, u16 vport, int link_state) { return 0; } 744 static inline const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev) 745 { 746 return ERR_PTR(-EOPNOTSUPP); 747 } 748 749 static inline struct mlx5_flow_handle * 750 esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag) 751 { 752 return ERR_PTR(-EOPNOTSUPP); 753 } 754 755 static inline unsigned int 756 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev, 757 u16 vport_num) 758 { 759 return vport_num; 760 } 761 762 static inline int 763 mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw, 764 struct mlx5_eswitch *slave_esw) 765 { 766 return 0; 767 } 768 769 static inline void 770 mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch *master_esw, 771 struct mlx5_eswitch *slave_esw) {} 772 773 static inline int 774 mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw) 775 { 776 return 0; 777 } 778 #endif /* CONFIG_MLX5_ESWITCH */ 779 780 #endif /* __MLX5_ESWITCH_H__ */ 781