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 mlx5_flow_group *vport_rx_drop_group; 248 struct mlx5_flow_handle *vport_rx_drop_rule; 249 struct xarray vport_reps; 250 struct list_head peer_flows; 251 struct mutex peer_mutex; 252 struct mutex encap_tbl_lock; /* protects encap_tbl */ 253 DECLARE_HASHTABLE(encap_tbl, 8); 254 struct mutex decap_tbl_lock; /* protects decap_tbl */ 255 DECLARE_HASHTABLE(decap_tbl, 8); 256 struct mod_hdr_tbl mod_hdr; 257 DECLARE_HASHTABLE(termtbl_tbl, 8); 258 struct mutex termtbl_mutex; /* protects termtbl hash */ 259 struct xarray vhca_map; 260 const struct mlx5_eswitch_rep_ops *rep_ops[NUM_REP_TYPES]; 261 u8 inline_mode; 262 atomic64_t num_flows; 263 enum devlink_eswitch_encap_mode encap; 264 struct ida vport_metadata_ida; 265 unsigned int host_number; /* ECPF supports one external host */ 266 }; 267 268 /* E-Switch MC FDB table hash node */ 269 struct esw_mc_addr { /* SRIOV only */ 270 struct l2addr_node node; 271 struct mlx5_flow_handle *uplink_rule; /* Forward to uplink rule */ 272 u32 refcnt; 273 }; 274 275 struct mlx5_host_work { 276 struct work_struct work; 277 struct mlx5_eswitch *esw; 278 }; 279 280 struct mlx5_esw_functions { 281 struct mlx5_nb nb; 282 u16 num_vfs; 283 }; 284 285 enum { 286 MLX5_ESWITCH_VPORT_MATCH_METADATA = BIT(0), 287 MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED = BIT(1), 288 MLX5_ESWITCH_VPORT_ACL_NS_CREATED = BIT(2), 289 }; 290 291 struct mlx5_esw_bridge_offloads; 292 293 enum { 294 MLX5_ESW_FDB_CREATED = BIT(0), 295 }; 296 297 struct mlx5_eswitch { 298 struct mlx5_core_dev *dev; 299 struct mlx5_nb nb; 300 struct mlx5_eswitch_fdb fdb_table; 301 /* legacy data structures */ 302 struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE]; 303 struct esw_mc_addr mc_promisc; 304 /* end of legacy */ 305 struct workqueue_struct *work_queue; 306 struct xarray vports; 307 u32 flags; 308 int total_vports; 309 int enabled_vports; 310 /* Synchronize between vport change events 311 * and async SRIOV admin state changes 312 */ 313 struct mutex state_lock; 314 315 /* Protects eswitch mode change that occurs via one or more 316 * user commands, i.e. sriov state change, devlink commands. 317 */ 318 struct rw_semaphore mode_lock; 319 atomic64_t user_count; 320 321 struct { 322 u32 root_tsar_ix; 323 struct mlx5_esw_rate_group *group0; 324 struct list_head groups; /* Protected by esw->state_lock */ 325 326 /* Protected by esw->state_lock. 327 * Initially 0, meaning no QoS users and QoS is disabled. 328 */ 329 refcount_t refcnt; 330 } qos; 331 332 struct mlx5_esw_bridge_offloads *br_offloads; 333 struct mlx5_esw_offload offloads; 334 int mode; 335 u16 manager_vport; 336 u16 first_host_vport; 337 struct mlx5_esw_functions esw_funcs; 338 struct { 339 u32 large_group_num; 340 } params; 341 struct blocking_notifier_head n_head; 342 struct dentry *dbgfs; 343 }; 344 345 void esw_offloads_disable(struct mlx5_eswitch *esw); 346 int esw_offloads_enable(struct mlx5_eswitch *esw); 347 void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw); 348 int esw_offloads_init_reps(struct mlx5_eswitch *esw); 349 350 struct mlx5_flow_handle * 351 mlx5_eswitch_add_send_to_vport_meta_rule(struct mlx5_eswitch *esw, u16 vport_num); 352 void mlx5_eswitch_del_send_to_vport_meta_rule(struct mlx5_flow_handle *rule); 353 354 bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw); 355 int mlx5_esw_offloads_vport_metadata_set(struct mlx5_eswitch *esw, bool enable); 356 u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw); 357 void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata); 358 359 int mlx5_esw_qos_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num, u32 rate_mbps); 360 361 /* E-Switch API */ 362 int mlx5_eswitch_init(struct mlx5_core_dev *dev); 363 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw); 364 365 #define MLX5_ESWITCH_IGNORE_NUM_VFS (-1) 366 int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs); 367 int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs); 368 void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf); 369 void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw); 370 void mlx5_eswitch_disable(struct mlx5_eswitch *esw); 371 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, 372 u16 vport, const u8 *mac); 373 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, 374 u16 vport, int link_state); 375 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, 376 u16 vport, u16 vlan, u8 qos); 377 int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw, 378 u16 vport, bool spoofchk); 379 int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw, 380 u16 vport_num, bool setting); 381 int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport, 382 u32 max_rate, u32 min_rate); 383 int mlx5_esw_qos_vport_update_group(struct mlx5_eswitch *esw, 384 struct mlx5_vport *vport, 385 struct mlx5_esw_rate_group *group, 386 struct netlink_ext_ack *extack); 387 int mlx5_eswitch_set_vepa(struct mlx5_eswitch *esw, u8 setting); 388 int mlx5_eswitch_get_vepa(struct mlx5_eswitch *esw, u8 *setting); 389 int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw, 390 u16 vport, struct ifla_vf_info *ivi); 391 int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw, 392 u16 vport, 393 struct ifla_vf_stats *vf_stats); 394 void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule); 395 396 int mlx5_eswitch_modify_esw_vport_context(struct mlx5_core_dev *dev, u16 vport, 397 bool other_vport, void *in); 398 399 struct mlx5_flow_spec; 400 struct mlx5_esw_flow_attr; 401 struct mlx5_termtbl_handle; 402 403 bool 404 mlx5_eswitch_termtbl_required(struct mlx5_eswitch *esw, 405 struct mlx5_flow_attr *attr, 406 struct mlx5_flow_act *flow_act, 407 struct mlx5_flow_spec *spec); 408 409 struct mlx5_flow_handle * 410 mlx5_eswitch_add_termtbl_rule(struct mlx5_eswitch *esw, 411 struct mlx5_flow_table *ft, 412 struct mlx5_flow_spec *spec, 413 struct mlx5_esw_flow_attr *attr, 414 struct mlx5_flow_act *flow_act, 415 struct mlx5_flow_destination *dest, 416 int num_dest); 417 418 void 419 mlx5_eswitch_termtbl_put(struct mlx5_eswitch *esw, 420 struct mlx5_termtbl_handle *tt); 421 422 void 423 mlx5_eswitch_clear_rule_source_port(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec); 424 425 struct mlx5_flow_handle * 426 mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, 427 struct mlx5_flow_spec *spec, 428 struct mlx5_flow_attr *attr); 429 struct mlx5_flow_handle * 430 mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw, 431 struct mlx5_flow_spec *spec, 432 struct mlx5_flow_attr *attr); 433 void 434 mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw, 435 struct mlx5_flow_handle *rule, 436 struct mlx5_flow_attr *attr); 437 void 438 mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw, 439 struct mlx5_flow_handle *rule, 440 struct mlx5_flow_attr *attr); 441 442 struct mlx5_flow_handle * 443 mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, u16 vport, 444 struct mlx5_flow_destination *dest); 445 446 enum { 447 SET_VLAN_STRIP = BIT(0), 448 SET_VLAN_INSERT = BIT(1) 449 }; 450 451 enum mlx5_flow_match_level { 452 MLX5_MATCH_NONE = MLX5_INLINE_MODE_NONE, 453 MLX5_MATCH_L2 = MLX5_INLINE_MODE_L2, 454 MLX5_MATCH_L3 = MLX5_INLINE_MODE_IP, 455 MLX5_MATCH_L4 = MLX5_INLINE_MODE_TCP_UDP, 456 }; 457 458 /* current maximum for flow based vport multicasting */ 459 #define MLX5_MAX_FLOW_FWD_VPORTS 32 460 461 enum { 462 MLX5_ESW_DEST_ENCAP = BIT(0), 463 MLX5_ESW_DEST_ENCAP_VALID = BIT(1), 464 MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE = BIT(2), 465 }; 466 467 struct mlx5_esw_flow_attr { 468 struct mlx5_eswitch_rep *in_rep; 469 struct mlx5_core_dev *in_mdev; 470 struct mlx5_core_dev *counter_dev; 471 struct mlx5e_tc_int_port *dest_int_port; 472 struct mlx5e_tc_int_port *int_port; 473 474 int split_count; 475 int out_count; 476 477 __be16 vlan_proto[MLX5_FS_VLAN_DEPTH]; 478 u16 vlan_vid[MLX5_FS_VLAN_DEPTH]; 479 u8 vlan_prio[MLX5_FS_VLAN_DEPTH]; 480 u8 total_vlan; 481 struct { 482 u32 flags; 483 struct mlx5_eswitch_rep *rep; 484 struct mlx5_pkt_reformat *pkt_reformat; 485 struct mlx5_core_dev *mdev; 486 struct mlx5_termtbl_handle *termtbl; 487 int src_port_rewrite_act_id; 488 } dests[MLX5_MAX_FLOW_FWD_VPORTS]; 489 struct mlx5_rx_tun_attr *rx_tun_attr; 490 struct ethhdr eth; 491 struct mlx5_pkt_reformat *decap_pkt_reformat; 492 }; 493 494 int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, 495 struct netlink_ext_ack *extack); 496 int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode); 497 int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode, 498 struct netlink_ext_ack *extack); 499 int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode); 500 int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, 501 enum devlink_eswitch_encap_mode encap, 502 struct netlink_ext_ack *extack); 503 int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, 504 enum devlink_eswitch_encap_mode *encap); 505 int mlx5_devlink_port_function_hw_addr_get(struct devlink_port *port, 506 u8 *hw_addr, int *hw_addr_len, 507 struct netlink_ext_ack *extack); 508 int mlx5_devlink_port_function_hw_addr_set(struct devlink_port *port, 509 const u8 *hw_addr, int hw_addr_len, 510 struct netlink_ext_ack *extack); 511 512 void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type); 513 514 int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw, 515 struct mlx5_flow_attr *attr); 516 int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw, 517 struct mlx5_flow_attr *attr); 518 int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, 519 u16 vport, u16 vlan, u8 qos, u8 set_flags); 520 521 static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev, 522 u8 vlan_depth) 523 { 524 bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) && 525 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan); 526 527 if (vlan_depth == 1) 528 return ret; 529 530 return ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) && 531 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2); 532 } 533 534 bool mlx5_esw_multipath_prereq(struct mlx5_core_dev *dev0, 535 struct mlx5_core_dev *dev1); 536 537 const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev); 538 539 #define MLX5_DEBUG_ESWITCH_MASK BIT(3) 540 541 #define esw_info(__dev, format, ...) \ 542 dev_info((__dev)->device, "E-Switch: " format, ##__VA_ARGS__) 543 544 #define esw_warn(__dev, format, ...) \ 545 dev_warn((__dev)->device, "E-Switch: " format, ##__VA_ARGS__) 546 547 #define esw_debug(dev, format, ...) \ 548 mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__) 549 550 static inline bool mlx5_esw_allowed(const struct mlx5_eswitch *esw) 551 { 552 return esw && MLX5_ESWITCH_MANAGER(esw->dev); 553 } 554 555 /* The returned number is valid only when the dev is eswitch manager. */ 556 static inline u16 mlx5_eswitch_manager_vport(struct mlx5_core_dev *dev) 557 { 558 return mlx5_core_is_ecpf_esw_manager(dev) ? 559 MLX5_VPORT_ECPF : MLX5_VPORT_PF; 560 } 561 562 static inline bool 563 mlx5_esw_is_manager_vport(const struct mlx5_eswitch *esw, u16 vport_num) 564 { 565 return esw->manager_vport == vport_num; 566 } 567 568 static inline u16 mlx5_eswitch_first_host_vport_num(struct mlx5_core_dev *dev) 569 { 570 return mlx5_core_is_ecpf_esw_manager(dev) ? 571 MLX5_VPORT_PF : MLX5_VPORT_FIRST_VF; 572 } 573 574 static inline bool mlx5_eswitch_is_funcs_handler(const struct mlx5_core_dev *dev) 575 { 576 return mlx5_core_is_ecpf_esw_manager(dev); 577 } 578 579 static inline unsigned int 580 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev, 581 u16 vport_num) 582 { 583 return (MLX5_CAP_GEN(dev, vhca_id) << 16) | vport_num; 584 } 585 586 static inline u16 587 mlx5_esw_devlink_port_index_to_vport_num(unsigned int dl_port_index) 588 { 589 return dl_port_index & 0xffff; 590 } 591 592 static inline bool mlx5_esw_is_fdb_created(struct mlx5_eswitch *esw) 593 { 594 return esw->fdb_table.flags & MLX5_ESW_FDB_CREATED; 595 } 596 597 /* TODO: This mlx5e_tc function shouldn't be called by eswitch */ 598 void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw); 599 600 /* Each mark identifies eswitch vport type. 601 * MLX5_ESW_VPT_HOST_FN is used to identify both PF and VF ports using 602 * a single mark. 603 * MLX5_ESW_VPT_VF identifies a SRIOV VF vport. 604 * MLX5_ESW_VPT_SF identifies SF vport. 605 */ 606 #define MLX5_ESW_VPT_HOST_FN XA_MARK_0 607 #define MLX5_ESW_VPT_VF XA_MARK_1 608 #define MLX5_ESW_VPT_SF XA_MARK_2 609 610 /* The vport iterator is valid only after vport are initialized in mlx5_eswitch_init. 611 * Borrowed the idea from xa_for_each_marked() but with support for desired last element. 612 */ 613 614 #define mlx5_esw_for_each_vport(esw, index, vport) \ 615 xa_for_each(&((esw)->vports), index, vport) 616 617 #define mlx5_esw_for_each_entry_marked(xa, index, entry, last, filter) \ 618 for (index = 0, entry = xa_find(xa, &index, last, filter); \ 619 entry; entry = xa_find_after(xa, &index, last, filter)) 620 621 #define mlx5_esw_for_each_vport_marked(esw, index, vport, last, filter) \ 622 mlx5_esw_for_each_entry_marked(&((esw)->vports), index, vport, last, filter) 623 624 #define mlx5_esw_for_each_vf_vport(esw, index, vport, last) \ 625 mlx5_esw_for_each_vport_marked(esw, index, vport, last, MLX5_ESW_VPT_VF) 626 627 #define mlx5_esw_for_each_host_func_vport(esw, index, vport, last) \ 628 mlx5_esw_for_each_vport_marked(esw, index, vport, last, MLX5_ESW_VPT_HOST_FN) 629 630 struct mlx5_eswitch *mlx5_devlink_eswitch_get(struct devlink *devlink); 631 struct mlx5_vport *__must_check 632 mlx5_eswitch_get_vport(struct mlx5_eswitch *esw, u16 vport_num); 633 634 bool mlx5_eswitch_is_vf_vport(struct mlx5_eswitch *esw, u16 vport_num); 635 bool mlx5_esw_is_sf_vport(struct mlx5_eswitch *esw, u16 vport_num); 636 637 int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type, void *data); 638 639 int 640 mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw, 641 enum mlx5_eswitch_vport_event enabled_events); 642 void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw); 643 644 int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num, 645 enum mlx5_eswitch_vport_event enabled_events); 646 void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num); 647 648 int 649 esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw, 650 struct mlx5_vport *vport); 651 void 652 esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw, 653 struct mlx5_vport *vport); 654 655 struct esw_vport_tbl_namespace { 656 int max_fte; 657 int max_num_groups; 658 u32 flags; 659 }; 660 661 struct mlx5_vport_tbl_attr { 662 u32 chain; 663 u16 prio; 664 u16 vport; 665 const struct esw_vport_tbl_namespace *vport_ns; 666 }; 667 668 struct mlx5_flow_table * 669 mlx5_esw_vporttbl_get(struct mlx5_eswitch *esw, struct mlx5_vport_tbl_attr *attr); 670 void 671 mlx5_esw_vporttbl_put(struct mlx5_eswitch *esw, struct mlx5_vport_tbl_attr *attr); 672 673 struct mlx5_flow_handle * 674 esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag); 675 676 int esw_offloads_load_rep(struct mlx5_eswitch *esw, u16 vport_num); 677 void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num); 678 679 int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num); 680 void mlx5_esw_offloads_rep_unload(struct mlx5_eswitch *esw, u16 vport_num); 681 682 int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num, 683 enum mlx5_eswitch_vport_event enabled_events); 684 void mlx5_eswitch_unload_vport(struct mlx5_eswitch *esw, u16 vport_num); 685 686 int mlx5_eswitch_load_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs, 687 enum mlx5_eswitch_vport_event enabled_events); 688 void mlx5_eswitch_unload_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs); 689 690 int mlx5_esw_offloads_devlink_port_register(struct mlx5_eswitch *esw, u16 vport_num); 691 void mlx5_esw_offloads_devlink_port_unregister(struct mlx5_eswitch *esw, u16 vport_num); 692 struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u16 vport_num); 693 694 void mlx5_esw_vport_debugfs_create(struct mlx5_eswitch *esw, u16 vport_num, bool is_sf, u16 sf_num); 695 void mlx5_esw_vport_debugfs_destroy(struct mlx5_eswitch *esw, u16 vport_num); 696 697 int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port, 698 u16 vport_num, u32 controller, u32 sfnum); 699 void mlx5_esw_devlink_sf_port_unregister(struct mlx5_eswitch *esw, u16 vport_num); 700 701 int mlx5_esw_offloads_sf_vport_enable(struct mlx5_eswitch *esw, struct devlink_port *dl_port, 702 u16 vport_num, u32 controller, u32 sfnum); 703 void mlx5_esw_offloads_sf_vport_disable(struct mlx5_eswitch *esw, u16 vport_num); 704 int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs, u16 *sf_base_id); 705 706 int mlx5_esw_vport_vhca_id_set(struct mlx5_eswitch *esw, u16 vport_num); 707 void mlx5_esw_vport_vhca_id_clear(struct mlx5_eswitch *esw, u16 vport_num); 708 int mlx5_eswitch_vhca_id_to_vport(struct mlx5_eswitch *esw, u16 vhca_id, u16 *vport_num); 709 710 /** 711 * mlx5_esw_event_info - Indicates eswitch mode changed/changing. 712 * 713 * @new_mode: New mode of eswitch. 714 */ 715 struct mlx5_esw_event_info { 716 u16 new_mode; 717 }; 718 719 int mlx5_esw_event_notifier_register(struct mlx5_eswitch *esw, struct notifier_block *n); 720 void mlx5_esw_event_notifier_unregister(struct mlx5_eswitch *esw, struct notifier_block *n); 721 722 bool mlx5_esw_hold(struct mlx5_core_dev *dev); 723 void mlx5_esw_release(struct mlx5_core_dev *dev); 724 void mlx5_esw_get(struct mlx5_core_dev *dev); 725 void mlx5_esw_put(struct mlx5_core_dev *dev); 726 int mlx5_esw_try_lock(struct mlx5_eswitch *esw); 727 void mlx5_esw_unlock(struct mlx5_eswitch *esw); 728 729 void esw_vport_change_handle_locked(struct mlx5_vport *vport); 730 731 bool mlx5_esw_offloads_controller_valid(const struct mlx5_eswitch *esw, u32 controller); 732 733 int mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw, 734 struct mlx5_eswitch *slave_esw); 735 void mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch *master_esw, 736 struct mlx5_eswitch *slave_esw); 737 int mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw); 738 739 #else /* CONFIG_MLX5_ESWITCH */ 740 /* eswitch API stubs */ 741 static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; } 742 static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {} 743 static inline int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) { return 0; } 744 static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf) {} 745 static inline void mlx5_eswitch_disable(struct mlx5_eswitch *esw) {} 746 static inline bool mlx5_eswitch_is_funcs_handler(struct mlx5_core_dev *dev) { return false; } 747 static inline 748 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, u16 vport, int link_state) { return 0; } 749 static inline const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev) 750 { 751 return ERR_PTR(-EOPNOTSUPP); 752 } 753 754 static inline struct mlx5_flow_handle * 755 esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag) 756 { 757 return ERR_PTR(-EOPNOTSUPP); 758 } 759 760 static inline unsigned int 761 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev, 762 u16 vport_num) 763 { 764 return vport_num; 765 } 766 767 static inline int 768 mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw, 769 struct mlx5_eswitch *slave_esw) 770 { 771 return 0; 772 } 773 774 static inline void 775 mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch *master_esw, 776 struct mlx5_eswitch *slave_esw) {} 777 778 static inline int 779 mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw) 780 { 781 return 0; 782 } 783 #endif /* CONFIG_MLX5_ESWITCH */ 784 785 #endif /* __MLX5_ESWITCH_H__ */ 786