1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
3
4 #include <linux/kernel.h>
5 #include <net/devlink.h>
6
7 #include "spectrum.h"
8 #include "spectrum_dpipe.h"
9 #include "spectrum_router.h"
10
11 enum mlxsw_sp_field_metadata_id {
12 MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT,
13 MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD,
14 MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP,
15 MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX,
16 MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE,
17 MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX,
18 };
19
20 static struct devlink_dpipe_field mlxsw_sp_dpipe_fields_metadata[] = {
21 {
22 .name = "erif_port",
23 .id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT,
24 .bitwidth = 32,
25 .mapping_type = DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX,
26 },
27 {
28 .name = "l3_forward",
29 .id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD,
30 .bitwidth = 1,
31 },
32 {
33 .name = "l3_drop",
34 .id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP,
35 .bitwidth = 1,
36 },
37 {
38 .name = "adj_index",
39 .id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX,
40 .bitwidth = 32,
41 },
42 {
43 .name = "adj_size",
44 .id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE,
45 .bitwidth = 32,
46 },
47 {
48 .name = "adj_hash_index",
49 .id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX,
50 .bitwidth = 32,
51 },
52 };
53
54 enum mlxsw_sp_dpipe_header_id {
55 MLXSW_SP_DPIPE_HEADER_METADATA,
56 };
57
58 static struct devlink_dpipe_header mlxsw_sp_dpipe_header_metadata = {
59 .name = "mlxsw_meta",
60 .id = MLXSW_SP_DPIPE_HEADER_METADATA,
61 .fields = mlxsw_sp_dpipe_fields_metadata,
62 .fields_count = ARRAY_SIZE(mlxsw_sp_dpipe_fields_metadata),
63 };
64
65 static struct devlink_dpipe_header *mlxsw_dpipe_headers[] = {
66 &mlxsw_sp_dpipe_header_metadata,
67 &devlink_dpipe_header_ethernet,
68 &devlink_dpipe_header_ipv4,
69 &devlink_dpipe_header_ipv6,
70 };
71
72 static struct devlink_dpipe_headers mlxsw_sp_dpipe_headers = {
73 .headers = mlxsw_dpipe_headers,
74 .headers_count = ARRAY_SIZE(mlxsw_dpipe_headers),
75 };
76
mlxsw_sp_dpipe_table_erif_actions_dump(void * priv,struct sk_buff * skb)77 static int mlxsw_sp_dpipe_table_erif_actions_dump(void *priv,
78 struct sk_buff *skb)
79 {
80 struct devlink_dpipe_action action = {0};
81 int err;
82
83 action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
84 action.header = &mlxsw_sp_dpipe_header_metadata;
85 action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD;
86
87 err = devlink_dpipe_action_put(skb, &action);
88 if (err)
89 return err;
90
91 action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
92 action.header = &mlxsw_sp_dpipe_header_metadata;
93 action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP;
94
95 return devlink_dpipe_action_put(skb, &action);
96 }
97
mlxsw_sp_dpipe_table_erif_matches_dump(void * priv,struct sk_buff * skb)98 static int mlxsw_sp_dpipe_table_erif_matches_dump(void *priv,
99 struct sk_buff *skb)
100 {
101 struct devlink_dpipe_match match = {0};
102
103 match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
104 match.header = &mlxsw_sp_dpipe_header_metadata;
105 match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
106
107 return devlink_dpipe_match_put(skb, &match);
108 }
109
110 static void
mlxsw_sp_erif_match_action_prepare(struct devlink_dpipe_match * match,struct devlink_dpipe_action * action)111 mlxsw_sp_erif_match_action_prepare(struct devlink_dpipe_match *match,
112 struct devlink_dpipe_action *action)
113 {
114 action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
115 action->header = &mlxsw_sp_dpipe_header_metadata;
116 action->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD;
117
118 match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
119 match->header = &mlxsw_sp_dpipe_header_metadata;
120 match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
121 }
122
mlxsw_sp_erif_entry_prepare(struct devlink_dpipe_entry * entry,struct devlink_dpipe_value * match_value,struct devlink_dpipe_match * match,struct devlink_dpipe_value * action_value,struct devlink_dpipe_action * action)123 static int mlxsw_sp_erif_entry_prepare(struct devlink_dpipe_entry *entry,
124 struct devlink_dpipe_value *match_value,
125 struct devlink_dpipe_match *match,
126 struct devlink_dpipe_value *action_value,
127 struct devlink_dpipe_action *action)
128 {
129 entry->match_values = match_value;
130 entry->match_values_count = 1;
131
132 entry->action_values = action_value;
133 entry->action_values_count = 1;
134
135 match_value->match = match;
136 match_value->value_size = sizeof(u32);
137 match_value->value = kmalloc(match_value->value_size, GFP_KERNEL);
138 if (!match_value->value)
139 return -ENOMEM;
140
141 action_value->action = action;
142 action_value->value_size = sizeof(u32);
143 action_value->value = kmalloc(action_value->value_size, GFP_KERNEL);
144 if (!action_value->value)
145 goto err_action_alloc;
146 return 0;
147
148 err_action_alloc:
149 kfree(match_value->value);
150 return -ENOMEM;
151 }
152
mlxsw_sp_erif_entry_get(struct mlxsw_sp * mlxsw_sp,struct devlink_dpipe_entry * entry,struct mlxsw_sp_rif * rif,bool counters_enabled)153 static int mlxsw_sp_erif_entry_get(struct mlxsw_sp *mlxsw_sp,
154 struct devlink_dpipe_entry *entry,
155 struct mlxsw_sp_rif *rif,
156 bool counters_enabled)
157 {
158 u32 *action_value;
159 u32 *rif_value;
160 u64 cnt;
161 int err;
162
163 /* Set Match RIF index */
164 rif_value = entry->match_values->value;
165 *rif_value = mlxsw_sp_rif_index(rif);
166 entry->match_values->mapping_value = mlxsw_sp_rif_dev_ifindex(rif);
167 entry->match_values->mapping_valid = true;
168
169 /* Set Action Forwarding */
170 action_value = entry->action_values->value;
171 *action_value = 1;
172
173 entry->counter_valid = false;
174 entry->counter = 0;
175 entry->index = mlxsw_sp_rif_index(rif);
176
177 if (!counters_enabled)
178 return 0;
179
180 err = mlxsw_sp_rif_counter_value_get(mlxsw_sp, rif,
181 MLXSW_SP_RIF_COUNTER_EGRESS,
182 &cnt);
183 if (!err) {
184 entry->counter = cnt;
185 entry->counter_valid = true;
186 }
187 return 0;
188 }
189
190 static int
mlxsw_sp_dpipe_table_erif_entries_dump(void * priv,bool counters_enabled,struct devlink_dpipe_dump_ctx * dump_ctx)191 mlxsw_sp_dpipe_table_erif_entries_dump(void *priv, bool counters_enabled,
192 struct devlink_dpipe_dump_ctx *dump_ctx)
193 {
194 struct devlink_dpipe_value match_value, action_value;
195 struct devlink_dpipe_action action = {0};
196 struct devlink_dpipe_match match = {0};
197 struct devlink_dpipe_entry entry = {0};
198 struct mlxsw_sp *mlxsw_sp = priv;
199 unsigned int rif_count;
200 int i, j;
201 int err;
202
203 memset(&match_value, 0, sizeof(match_value));
204 memset(&action_value, 0, sizeof(action_value));
205
206 mlxsw_sp_erif_match_action_prepare(&match, &action);
207 err = mlxsw_sp_erif_entry_prepare(&entry, &match_value, &match,
208 &action_value, &action);
209 if (err)
210 return err;
211
212 rif_count = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS);
213 rtnl_lock();
214 i = 0;
215 start_again:
216 err = devlink_dpipe_entry_ctx_prepare(dump_ctx);
217 if (err)
218 return err;
219 j = 0;
220 for (; i < rif_count; i++) {
221 struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
222
223 if (!rif || !mlxsw_sp_rif_dev(rif))
224 continue;
225 err = mlxsw_sp_erif_entry_get(mlxsw_sp, &entry, rif,
226 counters_enabled);
227 if (err)
228 goto err_entry_get;
229 err = devlink_dpipe_entry_ctx_append(dump_ctx, &entry);
230 if (err) {
231 if (err == -EMSGSIZE) {
232 if (!j)
233 goto err_entry_append;
234 break;
235 }
236 goto err_entry_append;
237 }
238 j++;
239 }
240
241 devlink_dpipe_entry_ctx_close(dump_ctx);
242 if (i != rif_count)
243 goto start_again;
244 rtnl_unlock();
245
246 devlink_dpipe_entry_clear(&entry);
247 return 0;
248 err_entry_append:
249 err_entry_get:
250 rtnl_unlock();
251 devlink_dpipe_entry_clear(&entry);
252 return err;
253 }
254
mlxsw_sp_dpipe_table_erif_counters_update(void * priv,bool enable)255 static int mlxsw_sp_dpipe_table_erif_counters_update(void *priv, bool enable)
256 {
257 struct mlxsw_sp *mlxsw_sp = priv;
258 int i;
259
260 rtnl_lock();
261 for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
262 struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
263
264 if (!rif)
265 continue;
266 if (enable)
267 mlxsw_sp_rif_counter_alloc(mlxsw_sp, rif,
268 MLXSW_SP_RIF_COUNTER_EGRESS);
269 else
270 mlxsw_sp_rif_counter_free(mlxsw_sp, rif,
271 MLXSW_SP_RIF_COUNTER_EGRESS);
272 }
273 rtnl_unlock();
274 return 0;
275 }
276
mlxsw_sp_dpipe_table_erif_size_get(void * priv)277 static u64 mlxsw_sp_dpipe_table_erif_size_get(void *priv)
278 {
279 struct mlxsw_sp *mlxsw_sp = priv;
280
281 return MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS);
282 }
283
284 static struct devlink_dpipe_table_ops mlxsw_sp_erif_ops = {
285 .matches_dump = mlxsw_sp_dpipe_table_erif_matches_dump,
286 .actions_dump = mlxsw_sp_dpipe_table_erif_actions_dump,
287 .entries_dump = mlxsw_sp_dpipe_table_erif_entries_dump,
288 .counters_set_update = mlxsw_sp_dpipe_table_erif_counters_update,
289 .size_get = mlxsw_sp_dpipe_table_erif_size_get,
290 };
291
mlxsw_sp_dpipe_erif_table_init(struct mlxsw_sp * mlxsw_sp)292 static int mlxsw_sp_dpipe_erif_table_init(struct mlxsw_sp *mlxsw_sp)
293 {
294 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
295
296 return devlink_dpipe_table_register(devlink,
297 MLXSW_SP_DPIPE_TABLE_NAME_ERIF,
298 &mlxsw_sp_erif_ops,
299 mlxsw_sp, false);
300 }
301
mlxsw_sp_dpipe_erif_table_fini(struct mlxsw_sp * mlxsw_sp)302 static void mlxsw_sp_dpipe_erif_table_fini(struct mlxsw_sp *mlxsw_sp)
303 {
304 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
305
306 devlink_dpipe_table_unregister(devlink, MLXSW_SP_DPIPE_TABLE_NAME_ERIF);
307 }
308
mlxsw_sp_dpipe_table_host_matches_dump(struct sk_buff * skb,int type)309 static int mlxsw_sp_dpipe_table_host_matches_dump(struct sk_buff *skb, int type)
310 {
311 struct devlink_dpipe_match match = {0};
312 int err;
313
314 match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
315 match.header = &mlxsw_sp_dpipe_header_metadata;
316 match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
317
318 err = devlink_dpipe_match_put(skb, &match);
319 if (err)
320 return err;
321
322 switch (type) {
323 case AF_INET:
324 match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
325 match.header = &devlink_dpipe_header_ipv4;
326 match.field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP;
327 break;
328 case AF_INET6:
329 match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
330 match.header = &devlink_dpipe_header_ipv6;
331 match.field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP;
332 break;
333 default:
334 WARN_ON(1);
335 return -EINVAL;
336 }
337
338 return devlink_dpipe_match_put(skb, &match);
339 }
340
341 static int
mlxsw_sp_dpipe_table_host4_matches_dump(void * priv,struct sk_buff * skb)342 mlxsw_sp_dpipe_table_host4_matches_dump(void *priv, struct sk_buff *skb)
343 {
344 return mlxsw_sp_dpipe_table_host_matches_dump(skb, AF_INET);
345 }
346
347 static int
mlxsw_sp_dpipe_table_host_actions_dump(void * priv,struct sk_buff * skb)348 mlxsw_sp_dpipe_table_host_actions_dump(void *priv, struct sk_buff *skb)
349 {
350 struct devlink_dpipe_action action = {0};
351
352 action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
353 action.header = &devlink_dpipe_header_ethernet;
354 action.field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC;
355
356 return devlink_dpipe_action_put(skb, &action);
357 }
358
359 enum mlxsw_sp_dpipe_table_host_match {
360 MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF,
361 MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP,
362 MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT,
363 };
364
365 static void
mlxsw_sp_dpipe_table_host_match_action_prepare(struct devlink_dpipe_match * matches,struct devlink_dpipe_action * action,int type)366 mlxsw_sp_dpipe_table_host_match_action_prepare(struct devlink_dpipe_match *matches,
367 struct devlink_dpipe_action *action,
368 int type)
369 {
370 struct devlink_dpipe_match *match;
371
372 match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF];
373 match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
374 match->header = &mlxsw_sp_dpipe_header_metadata;
375 match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
376
377 match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP];
378 match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
379 switch (type) {
380 case AF_INET:
381 match->header = &devlink_dpipe_header_ipv4;
382 match->field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP;
383 break;
384 case AF_INET6:
385 match->header = &devlink_dpipe_header_ipv6;
386 match->field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP;
387 break;
388 default:
389 WARN_ON(1);
390 return;
391 }
392
393 action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
394 action->header = &devlink_dpipe_header_ethernet;
395 action->field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC;
396 }
397
398 static int
mlxsw_sp_dpipe_table_host_entry_prepare(struct devlink_dpipe_entry * entry,struct devlink_dpipe_value * match_values,struct devlink_dpipe_match * matches,struct devlink_dpipe_value * action_value,struct devlink_dpipe_action * action,int type)399 mlxsw_sp_dpipe_table_host_entry_prepare(struct devlink_dpipe_entry *entry,
400 struct devlink_dpipe_value *match_values,
401 struct devlink_dpipe_match *matches,
402 struct devlink_dpipe_value *action_value,
403 struct devlink_dpipe_action *action,
404 int type)
405 {
406 struct devlink_dpipe_value *match_value;
407 struct devlink_dpipe_match *match;
408
409 entry->match_values = match_values;
410 entry->match_values_count = MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT;
411
412 entry->action_values = action_value;
413 entry->action_values_count = 1;
414
415 match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF];
416 match_value = &match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF];
417
418 match_value->match = match;
419 match_value->value_size = sizeof(u32);
420 match_value->value = kmalloc(match_value->value_size, GFP_KERNEL);
421 if (!match_value->value)
422 return -ENOMEM;
423
424 match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP];
425 match_value = &match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP];
426
427 match_value->match = match;
428 switch (type) {
429 case AF_INET:
430 match_value->value_size = sizeof(u32);
431 break;
432 case AF_INET6:
433 match_value->value_size = sizeof(struct in6_addr);
434 break;
435 default:
436 WARN_ON(1);
437 return -EINVAL;
438 }
439
440 match_value->value = kmalloc(match_value->value_size, GFP_KERNEL);
441 if (!match_value->value)
442 return -ENOMEM;
443
444 action_value->action = action;
445 action_value->value_size = sizeof(u64);
446 action_value->value = kmalloc(action_value->value_size, GFP_KERNEL);
447 if (!action_value->value)
448 return -ENOMEM;
449
450 return 0;
451 }
452
453 static void
__mlxsw_sp_dpipe_table_host_entry_fill(struct devlink_dpipe_entry * entry,struct mlxsw_sp_rif * rif,unsigned char * ha,void * dip)454 __mlxsw_sp_dpipe_table_host_entry_fill(struct devlink_dpipe_entry *entry,
455 struct mlxsw_sp_rif *rif,
456 unsigned char *ha, void *dip)
457 {
458 struct devlink_dpipe_value *value;
459 u32 *rif_value;
460 u8 *ha_value;
461
462 /* Set Match RIF index */
463 value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF];
464
465 rif_value = value->value;
466 *rif_value = mlxsw_sp_rif_index(rif);
467 value->mapping_value = mlxsw_sp_rif_dev_ifindex(rif);
468 value->mapping_valid = true;
469
470 /* Set Match DIP */
471 value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP];
472 memcpy(value->value, dip, value->value_size);
473
474 /* Set Action DMAC */
475 value = entry->action_values;
476 ha_value = value->value;
477 ether_addr_copy(ha_value, ha);
478 }
479
480 static void
mlxsw_sp_dpipe_table_host4_entry_fill(struct devlink_dpipe_entry * entry,struct mlxsw_sp_neigh_entry * neigh_entry,struct mlxsw_sp_rif * rif)481 mlxsw_sp_dpipe_table_host4_entry_fill(struct devlink_dpipe_entry *entry,
482 struct mlxsw_sp_neigh_entry *neigh_entry,
483 struct mlxsw_sp_rif *rif)
484 {
485 unsigned char *ha;
486 u32 dip;
487
488 ha = mlxsw_sp_neigh_entry_ha(neigh_entry);
489 dip = mlxsw_sp_neigh4_entry_dip(neigh_entry);
490 __mlxsw_sp_dpipe_table_host_entry_fill(entry, rif, ha, &dip);
491 }
492
493 static void
mlxsw_sp_dpipe_table_host6_entry_fill(struct devlink_dpipe_entry * entry,struct mlxsw_sp_neigh_entry * neigh_entry,struct mlxsw_sp_rif * rif)494 mlxsw_sp_dpipe_table_host6_entry_fill(struct devlink_dpipe_entry *entry,
495 struct mlxsw_sp_neigh_entry *neigh_entry,
496 struct mlxsw_sp_rif *rif)
497 {
498 struct in6_addr *dip;
499 unsigned char *ha;
500
501 ha = mlxsw_sp_neigh_entry_ha(neigh_entry);
502 dip = mlxsw_sp_neigh6_entry_dip(neigh_entry);
503
504 __mlxsw_sp_dpipe_table_host_entry_fill(entry, rif, ha, dip);
505 }
506
507 static void
mlxsw_sp_dpipe_table_host_entry_fill(struct mlxsw_sp * mlxsw_sp,struct devlink_dpipe_entry * entry,struct mlxsw_sp_neigh_entry * neigh_entry,struct mlxsw_sp_rif * rif,int type)508 mlxsw_sp_dpipe_table_host_entry_fill(struct mlxsw_sp *mlxsw_sp,
509 struct devlink_dpipe_entry *entry,
510 struct mlxsw_sp_neigh_entry *neigh_entry,
511 struct mlxsw_sp_rif *rif,
512 int type)
513 {
514 int err;
515
516 switch (type) {
517 case AF_INET:
518 mlxsw_sp_dpipe_table_host4_entry_fill(entry, neigh_entry, rif);
519 break;
520 case AF_INET6:
521 mlxsw_sp_dpipe_table_host6_entry_fill(entry, neigh_entry, rif);
522 break;
523 default:
524 WARN_ON(1);
525 return;
526 }
527
528 err = mlxsw_sp_neigh_counter_get(mlxsw_sp, neigh_entry,
529 &entry->counter);
530 if (!err)
531 entry->counter_valid = true;
532 }
533
534 static int
mlxsw_sp_dpipe_table_host_entries_get(struct mlxsw_sp * mlxsw_sp,struct devlink_dpipe_entry * entry,bool counters_enabled,struct devlink_dpipe_dump_ctx * dump_ctx,int type)535 mlxsw_sp_dpipe_table_host_entries_get(struct mlxsw_sp *mlxsw_sp,
536 struct devlink_dpipe_entry *entry,
537 bool counters_enabled,
538 struct devlink_dpipe_dump_ctx *dump_ctx,
539 int type)
540 {
541 int rif_neigh_count = 0;
542 int rif_neigh_skip = 0;
543 int neigh_count = 0;
544 int rif_count;
545 int i, j;
546 int err;
547
548 rtnl_lock();
549 i = 0;
550 rif_count = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS);
551 start_again:
552 err = devlink_dpipe_entry_ctx_prepare(dump_ctx);
553 if (err)
554 goto err_ctx_prepare;
555 j = 0;
556 rif_neigh_skip = rif_neigh_count;
557 for (; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
558 struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
559 struct mlxsw_sp_neigh_entry *neigh_entry;
560
561 if (!rif)
562 continue;
563
564 rif_neigh_count = 0;
565 mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) {
566 int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry);
567
568 if (neigh_type != type)
569 continue;
570
571 if (neigh_type == AF_INET6 &&
572 mlxsw_sp_neigh_ipv6_ignore(neigh_entry))
573 continue;
574
575 if (rif_neigh_count < rif_neigh_skip)
576 goto skip;
577
578 mlxsw_sp_dpipe_table_host_entry_fill(mlxsw_sp, entry,
579 neigh_entry, rif,
580 type);
581 entry->index = neigh_count;
582 err = devlink_dpipe_entry_ctx_append(dump_ctx, entry);
583 if (err) {
584 if (err == -EMSGSIZE) {
585 if (!j)
586 goto err_entry_append;
587 else
588 goto out;
589 }
590 goto err_entry_append;
591 }
592 neigh_count++;
593 j++;
594 skip:
595 rif_neigh_count++;
596 }
597 rif_neigh_skip = 0;
598 }
599 out:
600 devlink_dpipe_entry_ctx_close(dump_ctx);
601 if (i != rif_count)
602 goto start_again;
603
604 rtnl_unlock();
605 return 0;
606
607 err_ctx_prepare:
608 err_entry_append:
609 rtnl_unlock();
610 return err;
611 }
612
613 static int
mlxsw_sp_dpipe_table_host_entries_dump(struct mlxsw_sp * mlxsw_sp,bool counters_enabled,struct devlink_dpipe_dump_ctx * dump_ctx,int type)614 mlxsw_sp_dpipe_table_host_entries_dump(struct mlxsw_sp *mlxsw_sp,
615 bool counters_enabled,
616 struct devlink_dpipe_dump_ctx *dump_ctx,
617 int type)
618 {
619 struct devlink_dpipe_value match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT];
620 struct devlink_dpipe_match matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT];
621 struct devlink_dpipe_value action_value;
622 struct devlink_dpipe_action action = {0};
623 struct devlink_dpipe_entry entry = {0};
624 int err;
625
626 memset(matches, 0, MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT *
627 sizeof(matches[0]));
628 memset(match_values, 0, MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT *
629 sizeof(match_values[0]));
630 memset(&action_value, 0, sizeof(action_value));
631
632 mlxsw_sp_dpipe_table_host_match_action_prepare(matches, &action, type);
633 err = mlxsw_sp_dpipe_table_host_entry_prepare(&entry, match_values,
634 matches, &action_value,
635 &action, type);
636 if (err)
637 goto out;
638
639 err = mlxsw_sp_dpipe_table_host_entries_get(mlxsw_sp, &entry,
640 counters_enabled, dump_ctx,
641 type);
642 out:
643 devlink_dpipe_entry_clear(&entry);
644 return err;
645 }
646
647 static int
mlxsw_sp_dpipe_table_host4_entries_dump(void * priv,bool counters_enabled,struct devlink_dpipe_dump_ctx * dump_ctx)648 mlxsw_sp_dpipe_table_host4_entries_dump(void *priv, bool counters_enabled,
649 struct devlink_dpipe_dump_ctx *dump_ctx)
650 {
651 struct mlxsw_sp *mlxsw_sp = priv;
652
653 return mlxsw_sp_dpipe_table_host_entries_dump(mlxsw_sp,
654 counters_enabled,
655 dump_ctx, AF_INET);
656 }
657
658 static void
mlxsw_sp_dpipe_table_host_counters_update(struct mlxsw_sp * mlxsw_sp,bool enable,int type)659 mlxsw_sp_dpipe_table_host_counters_update(struct mlxsw_sp *mlxsw_sp,
660 bool enable, int type)
661 {
662 int i;
663
664 rtnl_lock();
665 for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
666 struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
667 struct mlxsw_sp_neigh_entry *neigh_entry;
668
669 if (!rif)
670 continue;
671 mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) {
672 int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry);
673
674 if (neigh_type != type)
675 continue;
676
677 if (neigh_type == AF_INET6 &&
678 mlxsw_sp_neigh_ipv6_ignore(neigh_entry))
679 continue;
680
681 mlxsw_sp_neigh_entry_counter_update(mlxsw_sp,
682 neigh_entry,
683 enable);
684 }
685 }
686 rtnl_unlock();
687 }
688
mlxsw_sp_dpipe_table_host4_counters_update(void * priv,bool enable)689 static int mlxsw_sp_dpipe_table_host4_counters_update(void *priv, bool enable)
690 {
691 struct mlxsw_sp *mlxsw_sp = priv;
692
693 mlxsw_sp_dpipe_table_host_counters_update(mlxsw_sp, enable, AF_INET);
694 return 0;
695 }
696
697 static u64
mlxsw_sp_dpipe_table_host_size_get(struct mlxsw_sp * mlxsw_sp,int type)698 mlxsw_sp_dpipe_table_host_size_get(struct mlxsw_sp *mlxsw_sp, int type)
699 {
700 u64 size = 0;
701 int i;
702
703 rtnl_lock();
704 for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
705 struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
706 struct mlxsw_sp_neigh_entry *neigh_entry;
707
708 if (!rif)
709 continue;
710 mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) {
711 int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry);
712
713 if (neigh_type != type)
714 continue;
715
716 if (neigh_type == AF_INET6 &&
717 mlxsw_sp_neigh_ipv6_ignore(neigh_entry))
718 continue;
719
720 size++;
721 }
722 }
723 rtnl_unlock();
724
725 return size;
726 }
727
mlxsw_sp_dpipe_table_host4_size_get(void * priv)728 static u64 mlxsw_sp_dpipe_table_host4_size_get(void *priv)
729 {
730 struct mlxsw_sp *mlxsw_sp = priv;
731
732 return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET);
733 }
734
735 static struct devlink_dpipe_table_ops mlxsw_sp_host4_ops = {
736 .matches_dump = mlxsw_sp_dpipe_table_host4_matches_dump,
737 .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump,
738 .entries_dump = mlxsw_sp_dpipe_table_host4_entries_dump,
739 .counters_set_update = mlxsw_sp_dpipe_table_host4_counters_update,
740 .size_get = mlxsw_sp_dpipe_table_host4_size_get,
741 };
742
743 #define MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST4 1
744
mlxsw_sp_dpipe_host4_table_init(struct mlxsw_sp * mlxsw_sp)745 static int mlxsw_sp_dpipe_host4_table_init(struct mlxsw_sp *mlxsw_sp)
746 {
747 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
748 int err;
749
750 err = devlink_dpipe_table_register(devlink,
751 MLXSW_SP_DPIPE_TABLE_NAME_HOST4,
752 &mlxsw_sp_host4_ops,
753 mlxsw_sp, false);
754 if (err)
755 return err;
756
757 err = devlink_dpipe_table_resource_set(devlink,
758 MLXSW_SP_DPIPE_TABLE_NAME_HOST4,
759 MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
760 MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST4);
761 if (err)
762 goto err_resource_set;
763
764 return 0;
765
766 err_resource_set:
767 devlink_dpipe_table_unregister(devlink,
768 MLXSW_SP_DPIPE_TABLE_NAME_HOST4);
769 return err;
770 }
771
mlxsw_sp_dpipe_host4_table_fini(struct mlxsw_sp * mlxsw_sp)772 static void mlxsw_sp_dpipe_host4_table_fini(struct mlxsw_sp *mlxsw_sp)
773 {
774 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
775
776 devlink_dpipe_table_unregister(devlink,
777 MLXSW_SP_DPIPE_TABLE_NAME_HOST4);
778 }
779
780 static int
mlxsw_sp_dpipe_table_host6_matches_dump(void * priv,struct sk_buff * skb)781 mlxsw_sp_dpipe_table_host6_matches_dump(void *priv, struct sk_buff *skb)
782 {
783 return mlxsw_sp_dpipe_table_host_matches_dump(skb, AF_INET6);
784 }
785
786 static int
mlxsw_sp_dpipe_table_host6_entries_dump(void * priv,bool counters_enabled,struct devlink_dpipe_dump_ctx * dump_ctx)787 mlxsw_sp_dpipe_table_host6_entries_dump(void *priv, bool counters_enabled,
788 struct devlink_dpipe_dump_ctx *dump_ctx)
789 {
790 struct mlxsw_sp *mlxsw_sp = priv;
791
792 return mlxsw_sp_dpipe_table_host_entries_dump(mlxsw_sp,
793 counters_enabled,
794 dump_ctx, AF_INET6);
795 }
796
mlxsw_sp_dpipe_table_host6_counters_update(void * priv,bool enable)797 static int mlxsw_sp_dpipe_table_host6_counters_update(void *priv, bool enable)
798 {
799 struct mlxsw_sp *mlxsw_sp = priv;
800
801 mlxsw_sp_dpipe_table_host_counters_update(mlxsw_sp, enable, AF_INET6);
802 return 0;
803 }
804
mlxsw_sp_dpipe_table_host6_size_get(void * priv)805 static u64 mlxsw_sp_dpipe_table_host6_size_get(void *priv)
806 {
807 struct mlxsw_sp *mlxsw_sp = priv;
808
809 return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET6);
810 }
811
812 static struct devlink_dpipe_table_ops mlxsw_sp_host6_ops = {
813 .matches_dump = mlxsw_sp_dpipe_table_host6_matches_dump,
814 .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump,
815 .entries_dump = mlxsw_sp_dpipe_table_host6_entries_dump,
816 .counters_set_update = mlxsw_sp_dpipe_table_host6_counters_update,
817 .size_get = mlxsw_sp_dpipe_table_host6_size_get,
818 };
819
820 #define MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST6 2
821
mlxsw_sp_dpipe_host6_table_init(struct mlxsw_sp * mlxsw_sp)822 static int mlxsw_sp_dpipe_host6_table_init(struct mlxsw_sp *mlxsw_sp)
823 {
824 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
825 int err;
826
827 err = devlink_dpipe_table_register(devlink,
828 MLXSW_SP_DPIPE_TABLE_NAME_HOST6,
829 &mlxsw_sp_host6_ops,
830 mlxsw_sp, false);
831 if (err)
832 return err;
833
834 err = devlink_dpipe_table_resource_set(devlink,
835 MLXSW_SP_DPIPE_TABLE_NAME_HOST6,
836 MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
837 MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST6);
838 if (err)
839 goto err_resource_set;
840
841 return 0;
842
843 err_resource_set:
844 devlink_dpipe_table_unregister(devlink,
845 MLXSW_SP_DPIPE_TABLE_NAME_HOST6);
846 return err;
847 }
848
mlxsw_sp_dpipe_host6_table_fini(struct mlxsw_sp * mlxsw_sp)849 static void mlxsw_sp_dpipe_host6_table_fini(struct mlxsw_sp *mlxsw_sp)
850 {
851 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
852
853 devlink_dpipe_table_unregister(devlink,
854 MLXSW_SP_DPIPE_TABLE_NAME_HOST6);
855 }
856
mlxsw_sp_dpipe_table_adj_matches_dump(void * priv,struct sk_buff * skb)857 static int mlxsw_sp_dpipe_table_adj_matches_dump(void *priv,
858 struct sk_buff *skb)
859 {
860 struct devlink_dpipe_match match = {0};
861 int err;
862
863 match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
864 match.header = &mlxsw_sp_dpipe_header_metadata;
865 match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX;
866
867 err = devlink_dpipe_match_put(skb, &match);
868 if (err)
869 return err;
870
871 match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
872 match.header = &mlxsw_sp_dpipe_header_metadata;
873 match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE;
874
875 err = devlink_dpipe_match_put(skb, &match);
876 if (err)
877 return err;
878
879 match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
880 match.header = &mlxsw_sp_dpipe_header_metadata;
881 match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX;
882
883 return devlink_dpipe_match_put(skb, &match);
884 }
885
mlxsw_sp_dpipe_table_adj_actions_dump(void * priv,struct sk_buff * skb)886 static int mlxsw_sp_dpipe_table_adj_actions_dump(void *priv,
887 struct sk_buff *skb)
888 {
889 struct devlink_dpipe_action action = {0};
890 int err;
891
892 action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
893 action.header = &devlink_dpipe_header_ethernet;
894 action.field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC;
895
896 err = devlink_dpipe_action_put(skb, &action);
897 if (err)
898 return err;
899
900 action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
901 action.header = &mlxsw_sp_dpipe_header_metadata;
902 action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
903
904 return devlink_dpipe_action_put(skb, &action);
905 }
906
mlxsw_sp_dpipe_table_adj_size(struct mlxsw_sp * mlxsw_sp)907 static u64 mlxsw_sp_dpipe_table_adj_size(struct mlxsw_sp *mlxsw_sp)
908 {
909 struct mlxsw_sp_nexthop *nh;
910 u64 size = 0;
911
912 mlxsw_sp_nexthop_for_each(nh, mlxsw_sp->router)
913 if (mlxsw_sp_nexthop_offload(nh) &&
914 !mlxsw_sp_nexthop_group_has_ipip(nh))
915 size++;
916 return size;
917 }
918
919 enum mlxsw_sp_dpipe_table_adj_match {
920 MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX,
921 MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE,
922 MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX,
923 MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT,
924 };
925
926 enum mlxsw_sp_dpipe_table_adj_action {
927 MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC,
928 MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT,
929 MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT,
930 };
931
932 static void
mlxsw_sp_dpipe_table_adj_match_action_prepare(struct devlink_dpipe_match * matches,struct devlink_dpipe_action * actions)933 mlxsw_sp_dpipe_table_adj_match_action_prepare(struct devlink_dpipe_match *matches,
934 struct devlink_dpipe_action *actions)
935 {
936 struct devlink_dpipe_action *action;
937 struct devlink_dpipe_match *match;
938
939 match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX];
940 match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
941 match->header = &mlxsw_sp_dpipe_header_metadata;
942 match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX;
943
944 match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE];
945 match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
946 match->header = &mlxsw_sp_dpipe_header_metadata;
947 match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE;
948
949 match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX];
950 match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
951 match->header = &mlxsw_sp_dpipe_header_metadata;
952 match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX;
953
954 action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC];
955 action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
956 action->header = &devlink_dpipe_header_ethernet;
957 action->field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC;
958
959 action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT];
960 action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
961 action->header = &mlxsw_sp_dpipe_header_metadata;
962 action->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
963 }
964
965 static int
mlxsw_sp_dpipe_table_adj_entry_prepare(struct devlink_dpipe_entry * entry,struct devlink_dpipe_value * match_values,struct devlink_dpipe_match * matches,struct devlink_dpipe_value * action_values,struct devlink_dpipe_action * actions)966 mlxsw_sp_dpipe_table_adj_entry_prepare(struct devlink_dpipe_entry *entry,
967 struct devlink_dpipe_value *match_values,
968 struct devlink_dpipe_match *matches,
969 struct devlink_dpipe_value *action_values,
970 struct devlink_dpipe_action *actions)
971 { struct devlink_dpipe_value *action_value;
972 struct devlink_dpipe_value *match_value;
973 struct devlink_dpipe_action *action;
974 struct devlink_dpipe_match *match;
975
976 entry->match_values = match_values;
977 entry->match_values_count = MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT;
978
979 entry->action_values = action_values;
980 entry->action_values_count = MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT;
981
982 match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX];
983 match_value = &match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX];
984
985 match_value->match = match;
986 match_value->value_size = sizeof(u32);
987 match_value->value = kmalloc(match_value->value_size, GFP_KERNEL);
988 if (!match_value->value)
989 return -ENOMEM;
990
991 match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE];
992 match_value = &match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE];
993
994 match_value->match = match;
995 match_value->value_size = sizeof(u32);
996 match_value->value = kmalloc(match_value->value_size, GFP_KERNEL);
997 if (!match_value->value)
998 return -ENOMEM;
999
1000 match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX];
1001 match_value = &match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX];
1002
1003 match_value->match = match;
1004 match_value->value_size = sizeof(u32);
1005 match_value->value = kmalloc(match_value->value_size, GFP_KERNEL);
1006 if (!match_value->value)
1007 return -ENOMEM;
1008
1009 action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC];
1010 action_value = &action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC];
1011
1012 action_value->action = action;
1013 action_value->value_size = sizeof(u64);
1014 action_value->value = kmalloc(action_value->value_size, GFP_KERNEL);
1015 if (!action_value->value)
1016 return -ENOMEM;
1017
1018 action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT];
1019 action_value = &action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT];
1020
1021 action_value->action = action;
1022 action_value->value_size = sizeof(u32);
1023 action_value->value = kmalloc(action_value->value_size, GFP_KERNEL);
1024 if (!action_value->value)
1025 return -ENOMEM;
1026
1027 return 0;
1028 }
1029
1030 static void
__mlxsw_sp_dpipe_table_adj_entry_fill(struct devlink_dpipe_entry * entry,u32 adj_index,u32 adj_size,u32 adj_hash_index,unsigned char * ha,struct mlxsw_sp_rif * rif)1031 __mlxsw_sp_dpipe_table_adj_entry_fill(struct devlink_dpipe_entry *entry,
1032 u32 adj_index, u32 adj_size,
1033 u32 adj_hash_index, unsigned char *ha,
1034 struct mlxsw_sp_rif *rif)
1035 {
1036 struct devlink_dpipe_value *value;
1037 u32 *p_rif_value;
1038 u32 *p_index;
1039
1040 value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX];
1041 p_index = value->value;
1042 *p_index = adj_index;
1043
1044 value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE];
1045 p_index = value->value;
1046 *p_index = adj_size;
1047
1048 value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX];
1049 p_index = value->value;
1050 *p_index = adj_hash_index;
1051
1052 value = &entry->action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC];
1053 ether_addr_copy(value->value, ha);
1054
1055 value = &entry->action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT];
1056 p_rif_value = value->value;
1057 *p_rif_value = mlxsw_sp_rif_index(rif);
1058 value->mapping_value = mlxsw_sp_rif_dev_ifindex(rif);
1059 value->mapping_valid = true;
1060 }
1061
mlxsw_sp_dpipe_table_adj_entry_fill(struct mlxsw_sp * mlxsw_sp,struct mlxsw_sp_nexthop * nh,struct devlink_dpipe_entry * entry)1062 static void mlxsw_sp_dpipe_table_adj_entry_fill(struct mlxsw_sp *mlxsw_sp,
1063 struct mlxsw_sp_nexthop *nh,
1064 struct devlink_dpipe_entry *entry)
1065 {
1066 struct mlxsw_sp_rif *rif = mlxsw_sp_nexthop_rif(nh);
1067 unsigned char *ha = mlxsw_sp_nexthop_ha(nh);
1068 u32 adj_hash_index = 0;
1069 u32 adj_index = 0;
1070 u32 adj_size = 0;
1071 int err;
1072
1073 mlxsw_sp_nexthop_indexes(nh, &adj_index, &adj_size, &adj_hash_index);
1074 __mlxsw_sp_dpipe_table_adj_entry_fill(entry, adj_index, adj_size,
1075 adj_hash_index, ha, rif);
1076 err = mlxsw_sp_nexthop_counter_get(mlxsw_sp, nh, &entry->counter);
1077 if (!err)
1078 entry->counter_valid = true;
1079 }
1080
1081 static int
mlxsw_sp_dpipe_table_adj_entries_get(struct mlxsw_sp * mlxsw_sp,struct devlink_dpipe_entry * entry,bool counters_enabled,struct devlink_dpipe_dump_ctx * dump_ctx)1082 mlxsw_sp_dpipe_table_adj_entries_get(struct mlxsw_sp *mlxsw_sp,
1083 struct devlink_dpipe_entry *entry,
1084 bool counters_enabled,
1085 struct devlink_dpipe_dump_ctx *dump_ctx)
1086 {
1087 struct mlxsw_sp_nexthop *nh;
1088 int entry_index = 0;
1089 int nh_count_max;
1090 int nh_count = 0;
1091 int nh_skip;
1092 int j;
1093 int err;
1094
1095 rtnl_lock();
1096 nh_count_max = mlxsw_sp_dpipe_table_adj_size(mlxsw_sp);
1097 start_again:
1098 err = devlink_dpipe_entry_ctx_prepare(dump_ctx);
1099 if (err)
1100 goto err_ctx_prepare;
1101 j = 0;
1102 nh_skip = nh_count;
1103 nh_count = 0;
1104 mlxsw_sp_nexthop_for_each(nh, mlxsw_sp->router) {
1105 if (!mlxsw_sp_nexthop_offload(nh) ||
1106 mlxsw_sp_nexthop_group_has_ipip(nh))
1107 continue;
1108
1109 if (nh_count < nh_skip)
1110 goto skip;
1111
1112 mlxsw_sp_dpipe_table_adj_entry_fill(mlxsw_sp, nh, entry);
1113 entry->index = entry_index;
1114 err = devlink_dpipe_entry_ctx_append(dump_ctx, entry);
1115 if (err) {
1116 if (err == -EMSGSIZE) {
1117 if (!j)
1118 goto err_entry_append;
1119 break;
1120 }
1121 goto err_entry_append;
1122 }
1123 entry_index++;
1124 j++;
1125 skip:
1126 nh_count++;
1127 }
1128
1129 devlink_dpipe_entry_ctx_close(dump_ctx);
1130 if (nh_count != nh_count_max)
1131 goto start_again;
1132 rtnl_unlock();
1133
1134 return 0;
1135
1136 err_ctx_prepare:
1137 err_entry_append:
1138 rtnl_unlock();
1139 return err;
1140 }
1141
1142 static int
mlxsw_sp_dpipe_table_adj_entries_dump(void * priv,bool counters_enabled,struct devlink_dpipe_dump_ctx * dump_ctx)1143 mlxsw_sp_dpipe_table_adj_entries_dump(void *priv, bool counters_enabled,
1144 struct devlink_dpipe_dump_ctx *dump_ctx)
1145 {
1146 struct devlink_dpipe_value action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT];
1147 struct devlink_dpipe_value match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT];
1148 struct devlink_dpipe_action actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT];
1149 struct devlink_dpipe_match matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT];
1150 struct devlink_dpipe_entry entry = {0};
1151 struct mlxsw_sp *mlxsw_sp = priv;
1152 int err;
1153
1154 memset(matches, 0, MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT *
1155 sizeof(matches[0]));
1156 memset(match_values, 0, MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT *
1157 sizeof(match_values[0]));
1158 memset(actions, 0, MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT *
1159 sizeof(actions[0]));
1160 memset(action_values, 0, MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT *
1161 sizeof(action_values[0]));
1162
1163 mlxsw_sp_dpipe_table_adj_match_action_prepare(matches, actions);
1164 err = mlxsw_sp_dpipe_table_adj_entry_prepare(&entry,
1165 match_values, matches,
1166 action_values, actions);
1167 if (err)
1168 goto out;
1169
1170 err = mlxsw_sp_dpipe_table_adj_entries_get(mlxsw_sp, &entry,
1171 counters_enabled, dump_ctx);
1172 out:
1173 devlink_dpipe_entry_clear(&entry);
1174 return err;
1175 }
1176
mlxsw_sp_dpipe_table_adj_counters_update(void * priv,bool enable)1177 static int mlxsw_sp_dpipe_table_adj_counters_update(void *priv, bool enable)
1178 {
1179 struct mlxsw_sp *mlxsw_sp = priv;
1180 struct mlxsw_sp_nexthop *nh;
1181 u32 adj_hash_index = 0;
1182 u32 adj_index = 0;
1183 u32 adj_size = 0;
1184
1185 mlxsw_sp_nexthop_for_each(nh, mlxsw_sp->router) {
1186 if (!mlxsw_sp_nexthop_offload(nh) ||
1187 mlxsw_sp_nexthop_group_has_ipip(nh))
1188 continue;
1189
1190 mlxsw_sp_nexthop_indexes(nh, &adj_index, &adj_size,
1191 &adj_hash_index);
1192 if (enable)
1193 mlxsw_sp_nexthop_counter_alloc(mlxsw_sp, nh);
1194 else
1195 mlxsw_sp_nexthop_counter_free(mlxsw_sp, nh);
1196 mlxsw_sp_nexthop_update(mlxsw_sp,
1197 adj_index + adj_hash_index, nh);
1198 }
1199 return 0;
1200 }
1201
1202 static u64
mlxsw_sp_dpipe_table_adj_size_get(void * priv)1203 mlxsw_sp_dpipe_table_adj_size_get(void *priv)
1204 {
1205 struct mlxsw_sp *mlxsw_sp = priv;
1206 u64 size;
1207
1208 rtnl_lock();
1209 size = mlxsw_sp_dpipe_table_adj_size(mlxsw_sp);
1210 rtnl_unlock();
1211
1212 return size;
1213 }
1214
1215 static struct devlink_dpipe_table_ops mlxsw_sp_dpipe_table_adj_ops = {
1216 .matches_dump = mlxsw_sp_dpipe_table_adj_matches_dump,
1217 .actions_dump = mlxsw_sp_dpipe_table_adj_actions_dump,
1218 .entries_dump = mlxsw_sp_dpipe_table_adj_entries_dump,
1219 .counters_set_update = mlxsw_sp_dpipe_table_adj_counters_update,
1220 .size_get = mlxsw_sp_dpipe_table_adj_size_get,
1221 };
1222
1223 #define MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_ADJ 1
1224
mlxsw_sp_dpipe_adj_table_init(struct mlxsw_sp * mlxsw_sp)1225 static int mlxsw_sp_dpipe_adj_table_init(struct mlxsw_sp *mlxsw_sp)
1226 {
1227 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
1228 int err;
1229
1230 err = devlink_dpipe_table_register(devlink,
1231 MLXSW_SP_DPIPE_TABLE_NAME_ADJ,
1232 &mlxsw_sp_dpipe_table_adj_ops,
1233 mlxsw_sp, false);
1234 if (err)
1235 return err;
1236
1237 err = devlink_dpipe_table_resource_set(devlink,
1238 MLXSW_SP_DPIPE_TABLE_NAME_ADJ,
1239 MLXSW_SP_RESOURCE_KVD_LINEAR,
1240 MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_ADJ);
1241 if (err)
1242 goto err_resource_set;
1243
1244 return 0;
1245
1246 err_resource_set:
1247 devlink_dpipe_table_unregister(devlink,
1248 MLXSW_SP_DPIPE_TABLE_NAME_ADJ);
1249 return err;
1250 }
1251
mlxsw_sp_dpipe_adj_table_fini(struct mlxsw_sp * mlxsw_sp)1252 static void mlxsw_sp_dpipe_adj_table_fini(struct mlxsw_sp *mlxsw_sp)
1253 {
1254 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
1255
1256 devlink_dpipe_table_unregister(devlink,
1257 MLXSW_SP_DPIPE_TABLE_NAME_ADJ);
1258 }
1259
mlxsw_sp_dpipe_init(struct mlxsw_sp * mlxsw_sp)1260 int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp)
1261 {
1262 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
1263 int err;
1264
1265 err = devlink_dpipe_headers_register(devlink,
1266 &mlxsw_sp_dpipe_headers);
1267 if (err)
1268 return err;
1269 err = mlxsw_sp_dpipe_erif_table_init(mlxsw_sp);
1270 if (err)
1271 goto err_erif_table_init;
1272
1273 err = mlxsw_sp_dpipe_host4_table_init(mlxsw_sp);
1274 if (err)
1275 goto err_host4_table_init;
1276
1277 err = mlxsw_sp_dpipe_host6_table_init(mlxsw_sp);
1278 if (err)
1279 goto err_host6_table_init;
1280
1281 err = mlxsw_sp_dpipe_adj_table_init(mlxsw_sp);
1282 if (err)
1283 goto err_adj_table_init;
1284
1285 return 0;
1286 err_adj_table_init:
1287 mlxsw_sp_dpipe_host6_table_fini(mlxsw_sp);
1288 err_host6_table_init:
1289 mlxsw_sp_dpipe_host4_table_fini(mlxsw_sp);
1290 err_host4_table_init:
1291 mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp);
1292 err_erif_table_init:
1293 devlink_dpipe_headers_unregister(priv_to_devlink(mlxsw_sp->core));
1294 return err;
1295 }
1296
mlxsw_sp_dpipe_fini(struct mlxsw_sp * mlxsw_sp)1297 void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp)
1298 {
1299 struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
1300
1301 mlxsw_sp_dpipe_adj_table_fini(mlxsw_sp);
1302 mlxsw_sp_dpipe_host6_table_fini(mlxsw_sp);
1303 mlxsw_sp_dpipe_host4_table_fini(mlxsw_sp);
1304 mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp);
1305 devlink_dpipe_headers_unregister(devlink);
1306 }
1307
