drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

   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 "esw/sample.h"
  50
  51 enum mlx5_mapped_obj_type {
  52         MLX5_MAPPED_OBJ_CHAIN,
  53         MLX5_MAPPED_OBJ_SAMPLE,
  54 };
  55
  56 struct mlx5_mapped_obj {
  57         enum mlx5_mapped_obj_type type;
  58         union {
  59                 u32 chain;
  60                 struct {
  61                         u32 group_id;
  62                         u32 rate;
  63                         u32 trunc_size;
  64                 } sample;
  65         };
  66 };
  67
  68 #ifdef CONFIG_MLX5_ESWITCH
  69
  70 #define ESW_OFFLOADS_DEFAULT_NUM_GROUPS 15
  71
  72 #define MLX5_MAX_UC_PER_VPORT(dev) \
  73         (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list))
  74
  75 #define MLX5_MAX_MC_PER_VPORT(dev) \
  76         (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list))
  77
  78 #define MLX5_MIN_BW_SHARE 1
  79
  80 #define MLX5_RATE_TO_BW_SHARE(rate, divider, limit) \
  81         min_t(u32, max_t(u32, (rate) / (divider), MLX5_MIN_BW_SHARE), limit)
  82
  83 #define mlx5_esw_has_fwd_fdb(dev) \
  84         MLX5_CAP_ESW_FLOWTABLE(dev, fdb_multi_path_to_table)
  85
  86 #define esw_chains(esw) \
  87         ((esw)->fdb_table.offloads.esw_chains_priv)
  88
  89 struct vport_ingress {
  90         struct mlx5_flow_table *acl;
  91         struct mlx5_flow_handle *allow_rule;
  92         struct {
  93                 struct mlx5_flow_group *allow_spoofchk_only_grp;
  94                 struct mlx5_flow_group *allow_untagged_spoofchk_grp;
  95                 struct mlx5_flow_group *allow_untagged_only_grp;
  96                 struct mlx5_flow_group *drop_grp;
  97                 struct mlx5_flow_handle *drop_rule;
  98                 struct mlx5_fc *drop_counter;
  99         } legacy;
 100         struct {
 101                 /* Optional group to add an FTE to do internal priority
 102                  * tagging on ingress packets.
 103                  */
 104                 struct mlx5_flow_group *metadata_prio_tag_grp;
 105                 /* Group to add default match-all FTE entry to tag ingress
 106                  * packet with metadata.
 107                  */
 108                 struct mlx5_flow_group *metadata_allmatch_grp;
 109                 struct mlx5_modify_hdr *modify_metadata;
 110                 struct mlx5_flow_handle *modify_metadata_rule;
 111         } offloads;
 112 };
 113
 114 struct vport_egress {
 115         struct mlx5_flow_table *acl;
 116         struct mlx5_flow_handle  *allowed_vlan;
 117         struct mlx5_flow_group *vlan_grp;
 118         union {
 119                 struct {
 120                         struct mlx5_flow_group *drop_grp;
 121                         struct mlx5_flow_handle *drop_rule;
 122                         struct mlx5_fc *drop_counter;
 123                 } legacy;
 124                 struct {
 125                         struct mlx5_flow_group *fwd_grp;
 126                         struct mlx5_flow_handle *fwd_rule;
 127                 } offloads;
 128         };
 129 };
 130
 131 struct mlx5_vport_drop_stats {
 132         u64 rx_dropped;
 133         u64 tx_dropped;
 134 };
 135
 136 struct mlx5_vport_info {
 137         u8                      mac[ETH_ALEN];
 138         u16                     vlan;
 139         u64                     node_guid;
 140         int                     link_state;
 141         u8                      qos;
 142         u8                      spoofchk: 1;
 143         u8                      trusted: 1;
 144 };
 145
 146 /* Vport context events */
 147 enum mlx5_eswitch_vport_event {
 148         MLX5_VPORT_UC_ADDR_CHANGE = BIT(0),
 149         MLX5_VPORT_MC_ADDR_CHANGE = BIT(1),
 150         MLX5_VPORT_PROMISC_CHANGE = BIT(3),
 151 };
 152
 153 struct mlx5_esw_bridge;
 154
 155 struct mlx5_vport {
 156         struct mlx5_core_dev    *dev;
 157         struct hlist_head       uc_list[MLX5_L2_ADDR_HASH_SIZE];
 158         struct hlist_head       mc_list[MLX5_L2_ADDR_HASH_SIZE];
 159         struct mlx5_flow_handle *promisc_rule;
 160         struct mlx5_flow_handle *allmulti_rule;
 161         struct work_struct      vport_change_handler;
 162
 163         struct vport_ingress    ingress;
 164         struct vport_egress     egress;
 165         u32                     default_metadata;
 166         u32                     metadata;
 167
 168         struct mlx5_vport_info  info;
 169
 170         struct {
 171                 bool            enabled;
 172                 u32             esw_tsar_ix;
 173                 u32             bw_share;
 174                 u32 min_rate;
 175                 u32 max_rate;
 176         } qos;
 177
 178         u16 vport;
 179         bool                    enabled;
 180         enum mlx5_eswitch_vport_event enabled_events;
 181         int index;
 182         struct devlink_port *dl_port;
 183         struct mlx5_esw_bridge *bridge;
 184 };
 185
 186 struct mlx5_esw_indir_table;
 187
 188 struct mlx5_eswitch_fdb {
 189         union {
 190                 struct legacy_fdb {
 191                         struct mlx5_flow_table *fdb;
 192                         struct mlx5_flow_group *addr_grp;
 193                         struct mlx5_flow_group *allmulti_grp;
 194                         struct mlx5_flow_group *promisc_grp;
 195                         struct mlx5_flow_table *vepa_fdb;
 196                         struct mlx5_flow_handle *vepa_uplink_rule;
 197                         struct mlx5_flow_handle *vepa_star_rule;
 198                 } legacy;
 199
 200                 struct offloads_fdb {
 201                         struct mlx5_flow_namespace *ns;
 202                         struct mlx5_flow_table *tc_miss_table;
 203                         struct mlx5_flow_table *slow_fdb;
 204                         struct mlx5_flow_group *send_to_vport_grp;
 205                         struct mlx5_flow_group *send_to_vport_meta_grp;
 206                         struct mlx5_flow_group *peer_miss_grp;
 207                         struct mlx5_flow_handle **peer_miss_rules;
 208                         struct mlx5_flow_group *miss_grp;
 209                         struct mlx5_flow_handle **send_to_vport_meta_rules;
 210                         struct mlx5_flow_handle *miss_rule_uni;
 211                         struct mlx5_flow_handle *miss_rule_multi;
 212                         int vlan_push_pop_refcount;
 213
 214                         struct mlx5_fs_chains *esw_chains_priv;
 215                         struct {
 216                                 DECLARE_HASHTABLE(table, 8);
 217                                 /* Protects vports.table */
 218                                 struct mutex lock;
 219                         } vports;
 220
 221                         struct mlx5_esw_indir_table *indir;
 222
 223                 } offloads;
 224         };
 225         u32 flags;
 226 };
 227
 228 struct mlx5_esw_offload {
 229         struct mlx5_flow_table *ft_offloads_restore;
 230         struct mlx5_flow_group *restore_group;
 231         struct mlx5_modify_hdr *restore_copy_hdr_id;
 232         struct mapping_ctx *reg_c0_obj_pool;
 233
 234         struct mlx5_flow_table *ft_offloads;
 235         struct mlx5_flow_group *vport_rx_group;
 236         struct xarray vport_reps;
 237         struct list_head peer_flows;
 238         struct mutex peer_mutex;
 239         struct mutex encap_tbl_lock; /* protects encap_tbl */
 240         DECLARE_HASHTABLE(encap_tbl, 8);
 241         struct mutex decap_tbl_lock; /* protects decap_tbl */
 242         DECLARE_HASHTABLE(decap_tbl, 8);
 243         struct mod_hdr_tbl mod_hdr;
 244         DECLARE_HASHTABLE(termtbl_tbl, 8);
 245         struct mutex termtbl_mutex; /* protects termtbl hash */
 246         struct xarray vhca_map;
 247         const struct mlx5_eswitch_rep_ops *rep_ops[NUM_REP_TYPES];
 248         u8 inline_mode;
 249         atomic64_t num_flows;
 250         enum devlink_eswitch_encap_mode encap;
 251         struct ida vport_metadata_ida;
 252         unsigned int host_number; /* ECPF supports one external host */
 253 };
 254
 255 /* E-Switch MC FDB table hash node */
 256 struct esw_mc_addr { /* SRIOV only */
 257         struct l2addr_node     node;
 258         struct mlx5_flow_handle *uplink_rule; /* Forward to uplink rule */
 259         u32                    refcnt;
 260 };
 261
 262 struct mlx5_host_work {
 263         struct work_struct      work;
 264         struct mlx5_eswitch     *esw;
 265 };
 266
 267 struct mlx5_esw_functions {
 268         struct mlx5_nb          nb;
 269         u16                     num_vfs;
 270 };
 271
 272 enum {
 273         MLX5_ESWITCH_VPORT_MATCH_METADATA = BIT(0),
 274         MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED = BIT(1),
 275 };
 276
 277 struct mlx5_esw_bridge_offloads;
 278
 279 struct mlx5_eswitch {
 280         struct mlx5_core_dev    *dev;
 281         struct mlx5_nb          nb;
 282         struct mlx5_eswitch_fdb fdb_table;
 283         /* legacy data structures */
 284         struct hlist_head       mc_table[MLX5_L2_ADDR_HASH_SIZE];
 285         struct esw_mc_addr mc_promisc;
 286         /* end of legacy */
 287         struct workqueue_struct *work_queue;
 288         struct xarray vports;
 289         u32 flags;
 290         int                     total_vports;
 291         int                     enabled_vports;
 292         /* Synchronize between vport change events
 293          * and async SRIOV admin state changes
 294          */
 295         struct mutex            state_lock;
 296
 297         /* Protects eswitch mode change that occurs via one or more
 298          * user commands, i.e. sriov state change, devlink commands.
 299          */
 300         struct rw_semaphore mode_lock;
 301         atomic64_t user_count;
 302
 303         struct {
 304                 bool            enabled;
 305                 u32             root_tsar_id;
 306         } qos;
 307
 308         struct mlx5_esw_bridge_offloads *br_offloads;
 309         struct mlx5_esw_offload offloads;
 310         int                     mode;
 311         u16                     manager_vport;
 312         u16                     first_host_vport;
 313         struct mlx5_esw_functions esw_funcs;
 314         struct {
 315                 u32             large_group_num;
 316         }  params;
 317         struct blocking_notifier_head n_head;
 318 };
 319
 320 void esw_offloads_disable(struct mlx5_eswitch *esw);
 321 int esw_offloads_enable(struct mlx5_eswitch *esw);
 322 void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw);
 323 int esw_offloads_init_reps(struct mlx5_eswitch *esw);
 324
 325 bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw);
 326 int mlx5_esw_offloads_vport_metadata_set(struct mlx5_eswitch *esw, bool enable);
 327 u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw);
 328 void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata);
 329
 330 int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
 331                                u32 rate_mbps);
 332
 333 /* E-Switch API */
 334 int mlx5_eswitch_init(struct mlx5_core_dev *dev);
 335 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
 336
 337 #define MLX5_ESWITCH_IGNORE_NUM_VFS (-1)
 338 int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int mode, int num_vfs);
 339 int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs);
 340 void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw, bool clear_vf);
 341 void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf);
 342 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
 343                                u16 vport, const u8 *mac);
 344 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
 345                                  u16 vport, int link_state);
 346 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
 347                                 u16 vport, u16 vlan, u8 qos);
 348 int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
 349                                     u16 vport, bool spoofchk);
 350 int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
 351                                  u16 vport_num, bool setting);
 352 int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport,
 353                                 u32 max_rate, u32 min_rate);
 354 int mlx5_eswitch_set_vepa(struct mlx5_eswitch *esw, u8 setting);
 355 int mlx5_eswitch_get_vepa(struct mlx5_eswitch *esw, u8 *setting);
 356 int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
 357                                   u16 vport, struct ifla_vf_info *ivi);
 358 int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
 359                                  u16 vport,
 360                                  struct ifla_vf_stats *vf_stats);
 361 void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule);
 362
 363 int mlx5_eswitch_modify_esw_vport_context(struct mlx5_core_dev *dev, u16 vport,
 364                                           bool other_vport, void *in);
 365
 366 struct mlx5_flow_spec;
 367 struct mlx5_esw_flow_attr;
 368 struct mlx5_termtbl_handle;
 369
 370 bool
 371 mlx5_eswitch_termtbl_required(struct mlx5_eswitch *esw,
 372                               struct mlx5_flow_attr *attr,
 373                               struct mlx5_flow_act *flow_act,
 374                               struct mlx5_flow_spec *spec);
 375
 376 struct mlx5_flow_handle *
 377 mlx5_eswitch_add_termtbl_rule(struct mlx5_eswitch *esw,
 378                               struct mlx5_flow_table *ft,
 379                               struct mlx5_flow_spec *spec,
 380                               struct mlx5_esw_flow_attr *attr,
 381                               struct mlx5_flow_act *flow_act,
 382                               struct mlx5_flow_destination *dest,
 383                               int num_dest);
 384
 385 void
 386 mlx5_eswitch_termtbl_put(struct mlx5_eswitch *esw,
 387                          struct mlx5_termtbl_handle *tt);
 388
 389 void
 390 mlx5_eswitch_clear_rule_source_port(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec);
 391
 392 struct mlx5_flow_handle *
 393 mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
 394                                 struct mlx5_flow_spec *spec,
 395                                 struct mlx5_flow_attr *attr);
 396 struct mlx5_flow_handle *
 397 mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw,
 398                           struct mlx5_flow_spec *spec,
 399                           struct mlx5_flow_attr *attr);
 400 void
 401 mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
 402                                 struct mlx5_flow_handle *rule,
 403                                 struct mlx5_flow_attr *attr);
 404 void
 405 mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw,
 406                           struct mlx5_flow_handle *rule,
 407                           struct mlx5_flow_attr *attr);
 408
 409 struct mlx5_flow_handle *
 410 mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, u16 vport,
 411                                   struct mlx5_flow_destination *dest);
 412
 413 enum {
 414         SET_VLAN_STRIP  = BIT(0),
 415         SET_VLAN_INSERT = BIT(1)
 416 };
 417
 418 enum mlx5_flow_match_level {
 419         MLX5_MATCH_NONE = MLX5_INLINE_MODE_NONE,
 420         MLX5_MATCH_L2   = MLX5_INLINE_MODE_L2,
 421         MLX5_MATCH_L3   = MLX5_INLINE_MODE_IP,
 422         MLX5_MATCH_L4   = MLX5_INLINE_MODE_TCP_UDP,
 423 };
 424
 425 /* current maximum for flow based vport multicasting */
 426 #define MLX5_MAX_FLOW_FWD_VPORTS 2
 427
 428 enum {
 429         MLX5_ESW_DEST_ENCAP         = BIT(0),
 430         MLX5_ESW_DEST_ENCAP_VALID   = BIT(1),
 431         MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE  = BIT(2),
 432 };
 433
 434 enum {
 435         MLX5_ESW_ATTR_FLAG_VLAN_HANDLED  = BIT(0),
 436         MLX5_ESW_ATTR_FLAG_SLOW_PATH     = BIT(1),
 437         MLX5_ESW_ATTR_FLAG_NO_IN_PORT    = BIT(2),
 438         MLX5_ESW_ATTR_FLAG_SRC_REWRITE   = BIT(3),
 439         MLX5_ESW_ATTR_FLAG_SAMPLE        = BIT(4),
 440 };
 441
 442 struct mlx5_esw_flow_attr {
 443         struct mlx5_eswitch_rep *in_rep;
 444         struct mlx5_core_dev    *in_mdev;
 445         struct mlx5_core_dev    *counter_dev;
 446
 447         int split_count;
 448         int out_count;
 449
 450         __be16  vlan_proto[MLX5_FS_VLAN_DEPTH];
 451         u16     vlan_vid[MLX5_FS_VLAN_DEPTH];
 452         u8      vlan_prio[MLX5_FS_VLAN_DEPTH];
 453         u8      total_vlan;
 454         struct {
 455                 u32 flags;
 456                 struct mlx5_eswitch_rep *rep;
 457                 struct mlx5_pkt_reformat *pkt_reformat;
 458                 struct mlx5_core_dev *mdev;
 459                 struct mlx5_termtbl_handle *termtbl;
 460                 int src_port_rewrite_act_id;
 461         } dests[MLX5_MAX_FLOW_FWD_VPORTS];
 462         struct mlx5_rx_tun_attr *rx_tun_attr;
 463         struct mlx5_pkt_reformat *decap_pkt_reformat;
 464         struct mlx5_sample_attr *sample;
 465 };
 466
 467 int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
 468                                   struct netlink_ext_ack *extack);
 469 int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode);
 470 int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode,
 471                                          struct netlink_ext_ack *extack);
 472 int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode);
 473 int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
 474                                         enum devlink_eswitch_encap_mode encap,
 475                                         struct netlink_ext_ack *extack);
 476 int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
 477                                         enum devlink_eswitch_encap_mode *encap);
 478 int mlx5_devlink_port_function_hw_addr_get(struct devlink *devlink,
 479                                            struct devlink_port *port,
 480                                            u8 *hw_addr, int *hw_addr_len,
 481                                            struct netlink_ext_ack *extack);
 482 int mlx5_devlink_port_function_hw_addr_set(struct devlink *devlink,
 483                                            struct devlink_port *port,
 484                                            const u8 *hw_addr, int hw_addr_len,
 485                                            struct netlink_ext_ack *extack);
 486
 487 void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type);
 488
 489 int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
 490                                  struct mlx5_flow_attr *attr);
 491 int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
 492                                  struct mlx5_flow_attr *attr);
 493 int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
 494                                   u16 vport, u16 vlan, u8 qos, u8 set_flags);
 495
 496 static inline bool mlx5_esw_qos_enabled(struct mlx5_eswitch *esw)
 497 {
 498         return esw->qos.enabled;
 499 }
 500
 501 static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev,
 502                                                        u8 vlan_depth)
 503 {
 504         bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) &&
 505                    MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan);
 506
 507         if (vlan_depth == 1)
 508                 return ret;
 509
 510         return  ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) &&
 511                 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2);
 512 }
 513
 514 bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0,
 515                          struct mlx5_core_dev *dev1);
 516 bool mlx5_esw_multipath_prereq(struct mlx5_core_dev *dev0,
 517                                struct mlx5_core_dev *dev1);
 518
 519 const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev);
 520
 521 #define MLX5_DEBUG_ESWITCH_MASK BIT(3)
 522
 523 #define esw_info(__dev, format, ...)                    \
 524         dev_info((__dev)->device, "E-Switch: " format, ##__VA_ARGS__)
 525
 526 #define esw_warn(__dev, format, ...)                    \
 527         dev_warn((__dev)->device, "E-Switch: " format, ##__VA_ARGS__)
 528
 529 #define esw_debug(dev, format, ...)                             \
 530         mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__)
 531
 532 static inline bool mlx5_esw_allowed(const struct mlx5_eswitch *esw)
 533 {
 534         return esw && MLX5_ESWITCH_MANAGER(esw->dev);
 535 }
 536
 537 /* The returned number is valid only when the dev is eswitch manager. */
 538 static inline u16 mlx5_eswitch_manager_vport(struct mlx5_core_dev *dev)
 539 {
 540         return mlx5_core_is_ecpf_esw_manager(dev) ?
 541                 MLX5_VPORT_ECPF : MLX5_VPORT_PF;
 542 }
 543
 544 static inline bool
 545 mlx5_esw_is_manager_vport(const struct mlx5_eswitch *esw, u16 vport_num)
 546 {
 547         return esw->manager_vport == vport_num;
 548 }
 549
 550 static inline u16 mlx5_eswitch_first_host_vport_num(struct mlx5_core_dev *dev)
 551 {
 552         return mlx5_core_is_ecpf_esw_manager(dev) ?
 553                 MLX5_VPORT_PF : MLX5_VPORT_FIRST_VF;
 554 }
 555
 556 static inline bool mlx5_eswitch_is_funcs_handler(const struct mlx5_core_dev *dev)
 557 {
 558         return mlx5_core_is_ecpf_esw_manager(dev);
 559 }
 560
 561 static inline unsigned int
 562 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev,
 563                                      u16 vport_num)
 564 {
 565         return (MLX5_CAP_GEN(dev, vhca_id) << 16) | vport_num;
 566 }
 567
 568 static inline u16
 569 mlx5_esw_devlink_port_index_to_vport_num(unsigned int dl_port_index)
 570 {
 571         return dl_port_index & 0xffff;
 572 }
 573
 574 /* TODO: This mlx5e_tc function shouldn't be called by eswitch */
 575 void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw);
 576
 577 /* Each mark identifies eswitch vport type.
 578  * MLX5_ESW_VPT_HOST_FN is used to identify both PF and VF ports using
 579  * a single mark.
 580  * MLX5_ESW_VPT_VF identifies a SRIOV VF vport.
 581  * MLX5_ESW_VPT_SF identifies SF vport.
 582  */
 583 #define MLX5_ESW_VPT_HOST_FN XA_MARK_0
 584 #define MLX5_ESW_VPT_VF XA_MARK_1
 585 #define MLX5_ESW_VPT_SF XA_MARK_2
 586
 587 /* The vport iterator is valid only after vport are initialized in mlx5_eswitch_init.
 588  * Borrowed the idea from xa_for_each_marked() but with support for desired last element.
 589  */
 590
 591 #define mlx5_esw_for_each_vport(esw, index, vport) \
 592         xa_for_each(&((esw)->vports), index, vport)
 593
 594 #define mlx5_esw_for_each_entry_marked(xa, index, entry, last, filter)  \
 595         for (index = 0, entry = xa_find(xa, &index, last, filter); \
 596              entry; entry = xa_find_after(xa, &index, last, filter))
 597
 598 #define mlx5_esw_for_each_vport_marked(esw, index, vport, last, filter) \
 599         mlx5_esw_for_each_entry_marked(&((esw)->vports), index, vport, last, filter)
 600
 601 #define mlx5_esw_for_each_vf_vport(esw, index, vport, last)     \
 602         mlx5_esw_for_each_vport_marked(esw, index, vport, last, MLX5_ESW_VPT_VF)
 603
 604 #define mlx5_esw_for_each_host_func_vport(esw, index, vport, last)      \
 605         mlx5_esw_for_each_vport_marked(esw, index, vport, last, MLX5_ESW_VPT_HOST_FN)
 606
 607 struct mlx5_eswitch *mlx5_devlink_eswitch_get(struct devlink *devlink);
 608 struct mlx5_vport *__must_check
 609 mlx5_eswitch_get_vport(struct mlx5_eswitch *esw, u16 vport_num);
 610
 611 bool mlx5_eswitch_is_vf_vport(struct mlx5_eswitch *esw, u16 vport_num);
 612 bool mlx5_esw_is_sf_vport(struct mlx5_eswitch *esw, u16 vport_num);
 613
 614 int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type, void *data);
 615
 616 int
 617 mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw,
 618                                  enum mlx5_eswitch_vport_event enabled_events);
 619 void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw);
 620
 621 int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num,
 622                           enum mlx5_eswitch_vport_event enabled_events);
 623 void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num);
 624
 625 int
 626 esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw,
 627                                      struct mlx5_vport *vport);
 628 void
 629 esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw,
 630                                       struct mlx5_vport *vport);
 631
 632 struct esw_vport_tbl_namespace {
 633         int max_fte;
 634         int max_num_groups;
 635         u32 flags;
 636 };
 637
 638 struct mlx5_vport_tbl_attr {
 639         u16 chain;
 640         u16 prio;
 641         u16 vport;
 642         const struct esw_vport_tbl_namespace *vport_ns;
 643 };
 644
 645 struct mlx5_flow_table *
 646 mlx5_esw_vporttbl_get(struct mlx5_eswitch *esw, struct mlx5_vport_tbl_attr *attr);
 647 void
 648 mlx5_esw_vporttbl_put(struct mlx5_eswitch *esw, struct mlx5_vport_tbl_attr *attr);
 649
 650 struct mlx5_flow_handle *
 651 esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag);
 652
 653 int esw_offloads_load_rep(struct mlx5_eswitch *esw, u16 vport_num);
 654 void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num);
 655
 656 int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num);
 657 void mlx5_esw_offloads_rep_unload(struct mlx5_eswitch *esw, u16 vport_num);
 658
 659 int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num,
 660                             enum mlx5_eswitch_vport_event enabled_events);
 661 void mlx5_eswitch_unload_vport(struct mlx5_eswitch *esw, u16 vport_num);
 662
 663 int mlx5_eswitch_load_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs,
 664                                 enum mlx5_eswitch_vport_event enabled_events);
 665 void mlx5_eswitch_unload_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs);
 666
 667 int mlx5_esw_offloads_devlink_port_register(struct mlx5_eswitch *esw, u16 vport_num);
 668 void mlx5_esw_offloads_devlink_port_unregister(struct mlx5_eswitch *esw, u16 vport_num);
 669 struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u16 vport_num);
 670
 671 int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
 672                                       u16 vport_num, u32 controller, u32 sfnum);
 673 void mlx5_esw_devlink_sf_port_unregister(struct mlx5_eswitch *esw, u16 vport_num);
 674
 675 int mlx5_esw_offloads_sf_vport_enable(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
 676                                       u16 vport_num, u32 controller, u32 sfnum);
 677 void mlx5_esw_offloads_sf_vport_disable(struct mlx5_eswitch *esw, u16 vport_num);
 678 int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs, u16 *sf_base_id);
 679
 680 int mlx5_esw_vport_vhca_id_set(struct mlx5_eswitch *esw, u16 vport_num);
 681 void mlx5_esw_vport_vhca_id_clear(struct mlx5_eswitch *esw, u16 vport_num);
 682 int mlx5_eswitch_vhca_id_to_vport(struct mlx5_eswitch *esw, u16 vhca_id, u16 *vport_num);
 683
 684 /**
 685  * mlx5_esw_event_info - Indicates eswitch mode changed/changing.
 686  *
 687  * @new_mode: New mode of eswitch.
 688  */
 689 struct mlx5_esw_event_info {
 690         u16 new_mode;
 691 };
 692
 693 int mlx5_esw_event_notifier_register(struct mlx5_eswitch *esw, struct notifier_block *n);
 694 void mlx5_esw_event_notifier_unregister(struct mlx5_eswitch *esw, struct notifier_block *n);
 695
 696 bool mlx5_esw_hold(struct mlx5_core_dev *dev);
 697 void mlx5_esw_release(struct mlx5_core_dev *dev);
 698 void mlx5_esw_get(struct mlx5_core_dev *dev);
 699 void mlx5_esw_put(struct mlx5_core_dev *dev);
 700 int mlx5_esw_try_lock(struct mlx5_eswitch *esw);
 701 void mlx5_esw_unlock(struct mlx5_eswitch *esw);
 702
 703 void esw_vport_change_handle_locked(struct mlx5_vport *vport);
 704
 705 bool mlx5_esw_offloads_controller_valid(const struct mlx5_eswitch *esw, u32 controller);
 706
 707 #else  /* CONFIG_MLX5_ESWITCH */
 708 /* eswitch API stubs */
 709 static inline int  mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
 710 static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {}
 711 static inline int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) { return 0; }
 712 static inline void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf) {}
 713 static inline bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0, struct mlx5_core_dev *dev1) { return true; }
 714 static inline bool mlx5_eswitch_is_funcs_handler(struct mlx5_core_dev *dev) { return false; }
 715 static inline
 716 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, u16 vport, int link_state) { return 0; }
 717 static inline const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev)
 718 {
 719         return ERR_PTR(-EOPNOTSUPP);
 720 }
 721
 722 static inline struct mlx5_flow_handle *
 723 esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag)
 724 {
 725         return ERR_PTR(-EOPNOTSUPP);
 726 }
 727
 728 static inline unsigned int
 729 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev,
 730                                      u16 vport_num)
 731 {
 732         return vport_num;
 733 }
 734 #endif /* CONFIG_MLX5_ESWITCH */
 735
 736 #endif /* __MLX5_ESWITCH_H__ */