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 struct mlx5_modify_hdr *modify_metadata;
117 struct mlx5_flow_handle *modify_metadata_rule;
118 } offloads;
119 };
120
121 struct vport_egress {
122 struct mlx5_flow_table *acl;
123 struct mlx5_flow_handle *allowed_vlan;
124 struct mlx5_flow_group *vlan_grp;
125 union {
126 struct {
127 struct mlx5_flow_group *drop_grp;
128 struct mlx5_flow_handle *drop_rule;
129 struct mlx5_fc *drop_counter;
130 } legacy;
131 struct {
132 struct mlx5_flow_group *fwd_grp;
133 struct mlx5_flow_handle *fwd_rule;
134 struct mlx5_flow_handle *bounce_rule;
135 struct mlx5_flow_group *bounce_grp;
136 } offloads;
137 };
138 };
139
140 struct mlx5_vport_drop_stats {
141 u64 rx_dropped;
142 u64 tx_dropped;
143 };
144
145 struct mlx5_vport_info {
146 u8 mac[ETH_ALEN];
147 u16 vlan;
148 u64 node_guid;
149 int link_state;
150 u8 qos;
151 u8 spoofchk: 1;
152 u8 trusted: 1;
153 };
154
155 /* Vport context events */
156 enum mlx5_eswitch_vport_event {
157 MLX5_VPORT_UC_ADDR_CHANGE = BIT(0),
158 MLX5_VPORT_MC_ADDR_CHANGE = BIT(1),
159 MLX5_VPORT_PROMISC_CHANGE = BIT(3),
160 };
161
162 struct mlx5_vport {
163 struct mlx5_core_dev *dev;
164 struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE];
165 struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE];
166 struct mlx5_flow_handle *promisc_rule;
167 struct mlx5_flow_handle *allmulti_rule;
168 struct work_struct vport_change_handler;
169
170 struct vport_ingress ingress;
171 struct vport_egress egress;
172 u32 default_metadata;
173 u32 metadata;
174
175 struct mlx5_vport_info info;
176
177 struct {
178 bool enabled;
179 u32 esw_tsar_ix;
180 u32 bw_share;
181 u32 min_rate;
182 u32 max_rate;
183 struct mlx5_esw_rate_group *group;
184 } qos;
185
186 u16 vport;
187 bool enabled;
188 enum mlx5_eswitch_vport_event enabled_events;
189 int index;
190 struct devlink_port *dl_port;
191 };
192
193 struct mlx5_esw_indir_table;
194
195 struct mlx5_eswitch_fdb {
196 union {
197 struct legacy_fdb {
198 struct mlx5_flow_table *fdb;
199 struct mlx5_flow_group *addr_grp;
200 struct mlx5_flow_group *allmulti_grp;
201 struct mlx5_flow_group *promisc_grp;
202 struct mlx5_flow_table *vepa_fdb;
203 struct mlx5_flow_handle *vepa_uplink_rule;
204 struct mlx5_flow_handle *vepa_star_rule;
205 } legacy;
206
207 struct offloads_fdb {
208 struct mlx5_flow_namespace *ns;
209 struct mlx5_flow_table *tc_miss_table;
210 struct mlx5_flow_table *slow_fdb;
211 struct mlx5_flow_group *send_to_vport_grp;
212 struct mlx5_flow_group *send_to_vport_meta_grp;
213 struct mlx5_flow_group *peer_miss_grp;
214 struct mlx5_flow_handle **peer_miss_rules;
215 struct mlx5_flow_group *miss_grp;
216 struct mlx5_flow_handle **send_to_vport_meta_rules;
217 struct mlx5_flow_handle *miss_rule_uni;
218 struct mlx5_flow_handle *miss_rule_multi;
219 int vlan_push_pop_refcount;
220
221 struct mlx5_fs_chains *esw_chains_priv;
222 struct {
223 DECLARE_HASHTABLE(table, 8);
224 /* Protects vports.table */
225 struct mutex lock;
226 } vports;
227
228 struct mlx5_esw_indir_table *indir;
229
230 } offloads;
231 };
232 u32 flags;
233 };
234
235 struct mlx5_esw_offload {
236 struct mlx5_flow_table *ft_offloads_restore;
237 struct mlx5_flow_group *restore_group;
238 struct mlx5_modify_hdr *restore_copy_hdr_id;
239 struct mapping_ctx *reg_c0_obj_pool;
240
241 struct mlx5_flow_table *ft_offloads;
242 struct mlx5_flow_group *vport_rx_group;
243 struct xarray vport_reps;
244 struct list_head peer_flows;
245 struct mutex peer_mutex;
246 struct mutex encap_tbl_lock; /* protects encap_tbl */
247 DECLARE_HASHTABLE(encap_tbl, 8);
248 struct mutex decap_tbl_lock; /* protects decap_tbl */
249 DECLARE_HASHTABLE(decap_tbl, 8);
250 struct mod_hdr_tbl mod_hdr;
251 DECLARE_HASHTABLE(termtbl_tbl, 8);
252 struct mutex termtbl_mutex; /* protects termtbl hash */
253 struct xarray vhca_map;
254 const struct mlx5_eswitch_rep_ops *rep_ops[NUM_REP_TYPES];
255 u8 inline_mode;
256 atomic64_t num_flows;
257 enum devlink_eswitch_encap_mode encap;
258 struct ida vport_metadata_ida;
259 unsigned int host_number; /* ECPF supports one external host */
260 };
261
262 /* E-Switch MC FDB table hash node */
263 struct esw_mc_addr { /* SRIOV only */
264 struct l2addr_node node;
265 struct mlx5_flow_handle *uplink_rule; /* Forward to uplink rule */
266 u32 refcnt;
267 };
268
269 struct mlx5_host_work {
270 struct work_struct work;
271 struct mlx5_eswitch *esw;
272 };
273
274 struct mlx5_esw_functions {
275 struct mlx5_nb nb;
276 u16 num_vfs;
277 };
278
279 enum {
280 MLX5_ESWITCH_VPORT_MATCH_METADATA = BIT(0),
281 MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED = BIT(1),
282 };
283
284 struct mlx5_esw_bridge_offloads;
285
286 struct mlx5_eswitch {
287 struct mlx5_core_dev *dev;
288 struct mlx5_nb nb;
289 struct mlx5_eswitch_fdb fdb_table;
290 /* legacy data structures */
291 struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE];
292 struct esw_mc_addr mc_promisc;
293 /* end of legacy */
294 struct workqueue_struct *work_queue;
295 struct xarray vports;
296 u32 flags;
297 int total_vports;
298 int enabled_vports;
299 /* Synchronize between vport change events
300 * and async SRIOV admin state changes
301 */
302 struct mutex state_lock;
303
304 /* Protects eswitch mode change that occurs via one or more
305 * user commands, i.e. sriov state change, devlink commands.
306 */
307 struct rw_semaphore mode_lock;
308 atomic64_t user_count;
309
310 struct {
311 bool enabled;
312 u32 root_tsar_ix;
313 struct mlx5_esw_rate_group *group0;
314 struct list_head groups; /* Protected by esw->state_lock */
315 } qos;
316
317 struct mlx5_esw_bridge_offloads *br_offloads;
318 struct mlx5_esw_offload offloads;
319 int mode;
320 u16 manager_vport;
321 u16 first_host_vport;
322 struct mlx5_esw_functions esw_funcs;
323 struct {
324 u32 large_group_num;
325 } params;
326 struct blocking_notifier_head n_head;
327 struct lock_class_key mode_lock_key;
328 };
329
330 void esw_offloads_disable(struct mlx5_eswitch *esw);
331 int esw_offloads_enable(struct mlx5_eswitch *esw);
332 void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw);
333 int esw_offloads_init_reps(struct mlx5_eswitch *esw);
334
335 bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw);
336 int mlx5_esw_offloads_vport_metadata_set(struct mlx5_eswitch *esw, bool enable);
337 u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw);
338 void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata);
339
340 int mlx5_esw_qos_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num, u32 rate_mbps);
341
342 bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw);
343 int mlx5_esw_offloads_vport_metadata_set(struct mlx5_eswitch *esw, bool enable);
344
345 /* E-Switch API */
346 int mlx5_eswitch_init(struct mlx5_core_dev *dev);
347 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
348
349 #define MLX5_ESWITCH_IGNORE_NUM_VFS (-1)
350 int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int mode, int num_vfs);
351 int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs);
352 void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw, bool clear_vf);
353 void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf);
354 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
355 u16 vport, const u8 *mac);
356 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
357 u16 vport, int link_state);
358 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
359 u16 vport, u16 vlan, u8 qos);
360 int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
361 u16 vport, bool spoofchk);
362 int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
363 u16 vport_num, bool setting);
364 int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport,
365 u32 max_rate, u32 min_rate);
366 int mlx5_esw_qos_vport_update_group(struct mlx5_eswitch *esw,
367 struct mlx5_vport *vport,
368 struct mlx5_esw_rate_group *group,
369 struct netlink_ext_ack *extack);
370 int mlx5_eswitch_set_vepa(struct mlx5_eswitch *esw, u8 setting);
371 int mlx5_eswitch_get_vepa(struct mlx5_eswitch *esw, u8 *setting);
372 int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
373 u16 vport, struct ifla_vf_info *ivi);
374 int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
375 u16 vport,
376 struct ifla_vf_stats *vf_stats);
377 void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule);
378
379 int mlx5_eswitch_modify_esw_vport_context(struct mlx5_core_dev *dev, u16 vport,
380 bool other_vport, void *in);
381
382 struct mlx5_flow_spec;
383 struct mlx5_esw_flow_attr;
384 struct mlx5_termtbl_handle;
385
386 bool
387 mlx5_eswitch_termtbl_required(struct mlx5_eswitch *esw,
388 struct mlx5_flow_attr *attr,
389 struct mlx5_flow_act *flow_act,
390 struct mlx5_flow_spec *spec);
391
392 struct mlx5_flow_handle *
393 mlx5_eswitch_add_termtbl_rule(struct mlx5_eswitch *esw,
394 struct mlx5_flow_table *ft,
395 struct mlx5_flow_spec *spec,
396 struct mlx5_esw_flow_attr *attr,
397 struct mlx5_flow_act *flow_act,
398 struct mlx5_flow_destination *dest,
399 int num_dest);
400
401 void
402 mlx5_eswitch_termtbl_put(struct mlx5_eswitch *esw,
403 struct mlx5_termtbl_handle *tt);
404
405 void
406 mlx5_eswitch_clear_rule_source_port(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec);
407
408 struct mlx5_flow_handle *
409 mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
410 struct mlx5_flow_spec *spec,
411 struct mlx5_flow_attr *attr);
412 struct mlx5_flow_handle *
413 mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw,
414 struct mlx5_flow_spec *spec,
415 struct mlx5_flow_attr *attr);
416 void
417 mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
418 struct mlx5_flow_handle *rule,
419 struct mlx5_flow_attr *attr);
420 void
421 mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw,
422 struct mlx5_flow_handle *rule,
423 struct mlx5_flow_attr *attr);
424
425 struct mlx5_flow_handle *
426 mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, u16 vport,
427 struct mlx5_flow_destination *dest);
428
429 enum {
430 SET_VLAN_STRIP = BIT(0),
431 SET_VLAN_INSERT = BIT(1)
432 };
433
434 enum mlx5_flow_match_level {
435 MLX5_MATCH_NONE = MLX5_INLINE_MODE_NONE,
436 MLX5_MATCH_L2 = MLX5_INLINE_MODE_L2,
437 MLX5_MATCH_L3 = MLX5_INLINE_MODE_IP,
438 MLX5_MATCH_L4 = MLX5_INLINE_MODE_TCP_UDP,
439 };
440
441 /* current maximum for flow based vport multicasting */
442 #define MLX5_MAX_FLOW_FWD_VPORTS 32
443
444 enum {
445 MLX5_ESW_DEST_ENCAP = BIT(0),
446 MLX5_ESW_DEST_ENCAP_VALID = BIT(1),
447 MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE = BIT(2),
448 };
449
450 enum {
451 MLX5_ESW_ATTR_FLAG_VLAN_HANDLED = BIT(0),
452 MLX5_ESW_ATTR_FLAG_SLOW_PATH = BIT(1),
453 MLX5_ESW_ATTR_FLAG_NO_IN_PORT = BIT(2),
454 MLX5_ESW_ATTR_FLAG_SRC_REWRITE = BIT(3),
455 MLX5_ESW_ATTR_FLAG_SAMPLE = BIT(4),
456 MLX5_ESW_ATTR_FLAG_ACCEPT = BIT(5),
457 };
458
459 /* Returns true if any of the flags that require skipping further TC/NF processing are set. */
460 static inline bool
mlx5_esw_attr_flags_skip(u32 attr_flags)461 mlx5_esw_attr_flags_skip(u32 attr_flags)
462 {
463 return attr_flags & (MLX5_ESW_ATTR_FLAG_SLOW_PATH | MLX5_ESW_ATTR_FLAG_ACCEPT);
464 }
465
466 struct mlx5_esw_flow_attr {
467 struct mlx5_eswitch_rep *in_rep;
468 struct mlx5_core_dev *in_mdev;
469 struct mlx5_core_dev *counter_dev;
470 struct mlx5e_tc_int_port *dest_int_port;
471 struct mlx5e_tc_int_port *int_port;
472
473 int split_count;
474 int out_count;
475
476 __be16 vlan_proto[MLX5_FS_VLAN_DEPTH];
477 u16 vlan_vid[MLX5_FS_VLAN_DEPTH];
478 u8 vlan_prio[MLX5_FS_VLAN_DEPTH];
479 u8 total_vlan;
480 struct {
481 u32 flags;
482 struct mlx5_eswitch_rep *rep;
483 struct mlx5_pkt_reformat *pkt_reformat;
484 struct mlx5_core_dev *mdev;
485 struct mlx5_termtbl_handle *termtbl;
486 int src_port_rewrite_act_id;
487 } dests[MLX5_MAX_FLOW_FWD_VPORTS];
488 struct mlx5_rx_tun_attr *rx_tun_attr;
489 struct mlx5_pkt_reformat *decap_pkt_reformat;
490 };
491
492 int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
493 struct netlink_ext_ack *extack);
494 int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode);
495 int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode,
496 struct netlink_ext_ack *extack);
497 int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode);
498 int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
499 enum devlink_eswitch_encap_mode encap,
500 struct netlink_ext_ack *extack);
501 int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
502 enum devlink_eswitch_encap_mode *encap);
503 int mlx5_devlink_port_function_hw_addr_get(struct devlink_port *port,
504 u8 *hw_addr, int *hw_addr_len,
505 struct netlink_ext_ack *extack);
506 int mlx5_devlink_port_function_hw_addr_set(struct devlink_port *port,
507 const u8 *hw_addr, int hw_addr_len,
508 struct netlink_ext_ack *extack);
509
510 void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type);
511
512 int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
513 struct mlx5_flow_attr *attr);
514 int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
515 struct mlx5_flow_attr *attr);
516 int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
517 u16 vport, u16 vlan, u8 qos, u8 set_flags);
518
mlx5_esw_qos_enabled(struct mlx5_eswitch * esw)519 static inline bool mlx5_esw_qos_enabled(struct mlx5_eswitch *esw)
520 {
521 return esw->qos.enabled;
522 }
523
mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev * dev,u8 vlan_depth)524 static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev,
525 u8 vlan_depth)
526 {
527 bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) &&
528 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan);
529
530 if (vlan_depth == 1)
531 return ret;
532
533 return ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) &&
534 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2);
535 }
536
537 bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0,
538 struct mlx5_core_dev *dev1);
539 bool mlx5_esw_multipath_prereq(struct mlx5_core_dev *dev0,
540 struct mlx5_core_dev *dev1);
541
542 const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev);
543
544 #define MLX5_DEBUG_ESWITCH_MASK BIT(3)
545
546 #define esw_info(__dev, format, ...) \
547 dev_info((__dev)->device, "E-Switch: " format, ##__VA_ARGS__)
548
549 #define esw_warn(__dev, format, ...) \
550 dev_warn((__dev)->device, "E-Switch: " format, ##__VA_ARGS__)
551
552 #define esw_debug(dev, format, ...) \
553 mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__)
554
mlx5_esw_allowed(const struct mlx5_eswitch * esw)555 static inline bool mlx5_esw_allowed(const struct mlx5_eswitch *esw)
556 {
557 return esw && MLX5_ESWITCH_MANAGER(esw->dev);
558 }
559
560 /* The returned number is valid only when the dev is eswitch manager. */
mlx5_eswitch_manager_vport(struct mlx5_core_dev * dev)561 static inline u16 mlx5_eswitch_manager_vport(struct mlx5_core_dev *dev)
562 {
563 return mlx5_core_is_ecpf_esw_manager(dev) ?
564 MLX5_VPORT_ECPF : MLX5_VPORT_PF;
565 }
566
567 static inline bool
mlx5_esw_is_manager_vport(const struct mlx5_eswitch * esw,u16 vport_num)568 mlx5_esw_is_manager_vport(const struct mlx5_eswitch *esw, u16 vport_num)
569 {
570 return esw->manager_vport == vport_num;
571 }
572
mlx5_eswitch_first_host_vport_num(struct mlx5_core_dev * dev)573 static inline u16 mlx5_eswitch_first_host_vport_num(struct mlx5_core_dev *dev)
574 {
575 return mlx5_core_is_ecpf_esw_manager(dev) ?
576 MLX5_VPORT_PF : MLX5_VPORT_FIRST_VF;
577 }
578
mlx5_eswitch_is_funcs_handler(const struct mlx5_core_dev * dev)579 static inline bool mlx5_eswitch_is_funcs_handler(const struct mlx5_core_dev *dev)
580 {
581 return mlx5_core_is_ecpf_esw_manager(dev);
582 }
583
584 static inline unsigned int
mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev * dev,u16 vport_num)585 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev,
586 u16 vport_num)
587 {
588 return (MLX5_CAP_GEN(dev, vhca_id) << 16) | vport_num;
589 }
590
591 static inline u16
mlx5_esw_devlink_port_index_to_vport_num(unsigned int dl_port_index)592 mlx5_esw_devlink_port_index_to_vport_num(unsigned int dl_port_index)
593 {
594 return dl_port_index & 0xffff;
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 int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
695 u16 vport_num, u32 controller, u32 sfnum);
696 void mlx5_esw_devlink_sf_port_unregister(struct mlx5_eswitch *esw, u16 vport_num);
697
698 int mlx5_esw_offloads_sf_vport_enable(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
699 u16 vport_num, u32 controller, u32 sfnum);
700 void mlx5_esw_offloads_sf_vport_disable(struct mlx5_eswitch *esw, u16 vport_num);
701 int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs, u16 *sf_base_id);
702
703 int mlx5_esw_vport_vhca_id_set(struct mlx5_eswitch *esw, u16 vport_num);
704 void mlx5_esw_vport_vhca_id_clear(struct mlx5_eswitch *esw, u16 vport_num);
705 int mlx5_eswitch_vhca_id_to_vport(struct mlx5_eswitch *esw, u16 vhca_id, u16 *vport_num);
706
707 /**
708 * mlx5_esw_event_info - Indicates eswitch mode changed/changing.
709 *
710 * @new_mode: New mode of eswitch.
711 */
712 struct mlx5_esw_event_info {
713 u16 new_mode;
714 };
715
716 int mlx5_esw_event_notifier_register(struct mlx5_eswitch *esw, struct notifier_block *n);
717 void mlx5_esw_event_notifier_unregister(struct mlx5_eswitch *esw, struct notifier_block *n);
718
719 bool mlx5_esw_hold(struct mlx5_core_dev *dev);
720 void mlx5_esw_release(struct mlx5_core_dev *dev);
721 void mlx5_esw_get(struct mlx5_core_dev *dev);
722 void mlx5_esw_put(struct mlx5_core_dev *dev);
723 int mlx5_esw_try_lock(struct mlx5_eswitch *esw);
724 void mlx5_esw_unlock(struct mlx5_eswitch *esw);
725 void mlx5_esw_lock(struct mlx5_eswitch *esw);
726
727 void esw_vport_change_handle_locked(struct mlx5_vport *vport);
728
729 bool mlx5_esw_offloads_controller_valid(const struct mlx5_eswitch *esw, u32 controller);
730
731 int mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw,
732 struct mlx5_eswitch *slave_esw);
733 void mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch *master_esw,
734 struct mlx5_eswitch *slave_esw);
735 int mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw);
736
737 #else /* CONFIG_MLX5_ESWITCH */
738 /* eswitch API stubs */
mlx5_eswitch_init(struct mlx5_core_dev * dev)739 static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
mlx5_eswitch_cleanup(struct mlx5_eswitch * esw)740 static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {}
mlx5_eswitch_enable(struct mlx5_eswitch * esw,int num_vfs)741 static inline int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) { return 0; }
mlx5_eswitch_disable(struct mlx5_eswitch * esw,bool clear_vf)742 static inline void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf) {}
mlx5_esw_lag_prereq(struct mlx5_core_dev * dev0,struct mlx5_core_dev * dev1)743 static inline bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0, struct mlx5_core_dev *dev1) { return true; }
mlx5_eswitch_is_funcs_handler(struct mlx5_core_dev * dev)744 static inline bool mlx5_eswitch_is_funcs_handler(struct mlx5_core_dev *dev) { return false; }
745 static inline
mlx5_eswitch_set_vport_state(struct mlx5_eswitch * esw,u16 vport,int link_state)746 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, u16 vport, int link_state) { return 0; }
mlx5_esw_query_functions(struct mlx5_core_dev * dev)747 static inline const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev)
748 {
749 return ERR_PTR(-EOPNOTSUPP);
750 }
751
mlx5_esw_unlock(struct mlx5_eswitch * esw)752 static inline void mlx5_esw_unlock(struct mlx5_eswitch *esw) { return; }
mlx5_esw_lock(struct mlx5_eswitch * esw)753 static inline void mlx5_esw_lock(struct mlx5_eswitch *esw) { return; }
754
755 static inline struct mlx5_flow_handle *
esw_add_restore_rule(struct mlx5_eswitch * esw,u32 tag)756 esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag)
757 {
758 return ERR_PTR(-EOPNOTSUPP);
759 }
760
761 static inline unsigned int
mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev * dev,u16 vport_num)762 mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev,
763 u16 vport_num)
764 {
765 return vport_num;
766 }
767
768 static inline int
mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch * master_esw,struct mlx5_eswitch * slave_esw)769 mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw,
770 struct mlx5_eswitch *slave_esw)
771 {
772 return 0;
773 }
774
775 static inline void
mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch * master_esw,struct mlx5_eswitch * slave_esw)776 mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch *master_esw,
777 struct mlx5_eswitch *slave_esw) {}
778
779 static inline int
mlx5_eswitch_reload_reps(struct mlx5_eswitch * esw)780 mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw)
781 {
782 return 0;
783 }
784 #endif /* CONFIG_MLX5_ESWITCH */
785
786 #endif /* __MLX5_ESWITCH_H__ */
787