1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2019 Mellanox Technologies.
3
4 #include "health.h"
5 #include "params.h"
6 #include "txrx.h"
7 #include "devlink.h"
8 #include "ptp.h"
9 #include "lib/tout.h"
10
mlx5e_query_rq_state(struct mlx5_core_dev * dev,u32 rqn,u8 * state)11 static int mlx5e_query_rq_state(struct mlx5_core_dev *dev, u32 rqn, u8 *state)
12 {
13 int outlen = MLX5_ST_SZ_BYTES(query_rq_out);
14 void *out;
15 void *rqc;
16 int err;
17
18 out = kvzalloc(outlen, GFP_KERNEL);
19 if (!out)
20 return -ENOMEM;
21
22 err = mlx5_core_query_rq(dev, rqn, out);
23 if (err)
24 goto out;
25
26 rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context);
27 *state = MLX5_GET(rqc, rqc, state);
28
29 out:
30 kvfree(out);
31 return err;
32 }
33
mlx5e_wait_for_icosq_flush(struct mlx5e_icosq * icosq)34 static int mlx5e_wait_for_icosq_flush(struct mlx5e_icosq *icosq)
35 {
36 struct mlx5_core_dev *dev = icosq->channel->mdev;
37 unsigned long exp_time;
38
39 exp_time = jiffies + msecs_to_jiffies(mlx5_tout_ms(dev, FLUSH_ON_ERROR));
40
41 while (time_before(jiffies, exp_time)) {
42 if (icosq->cc == icosq->pc)
43 return 0;
44
45 msleep(20);
46 }
47
48 netdev_err(icosq->channel->netdev,
49 "Wait for ICOSQ 0x%x flush timeout (cc = 0x%x, pc = 0x%x)\n",
50 icosq->sqn, icosq->cc, icosq->pc);
51
52 return -ETIMEDOUT;
53 }
54
mlx5e_reset_icosq_cc_pc(struct mlx5e_icosq * icosq)55 static void mlx5e_reset_icosq_cc_pc(struct mlx5e_icosq *icosq)
56 {
57 WARN_ONCE(icosq->cc != icosq->pc, "ICOSQ 0x%x: cc (0x%x) != pc (0x%x)\n",
58 icosq->sqn, icosq->cc, icosq->pc);
59 icosq->cc = 0;
60 icosq->pc = 0;
61 }
62
mlx5e_rx_reporter_err_icosq_cqe_recover(void * ctx)63 static int mlx5e_rx_reporter_err_icosq_cqe_recover(void *ctx)
64 {
65 struct mlx5e_rq *xskrq = NULL;
66 struct mlx5_core_dev *mdev;
67 struct mlx5e_icosq *icosq;
68 struct net_device *dev;
69 struct mlx5e_rq *rq;
70 u8 state;
71 int err;
72
73 icosq = ctx;
74
75 mutex_lock(&icosq->channel->icosq_recovery_lock);
76
77 /* mlx5e_close_rq cancels this work before RQ and ICOSQ are killed. */
78 rq = &icosq->channel->rq;
79 if (test_bit(MLX5E_RQ_STATE_ENABLED, &icosq->channel->xskrq.state))
80 xskrq = &icosq->channel->xskrq;
81 mdev = icosq->channel->mdev;
82 dev = icosq->channel->netdev;
83 err = mlx5_core_query_sq_state(mdev, icosq->sqn, &state);
84 if (err) {
85 netdev_err(dev, "Failed to query ICOSQ 0x%x state. err = %d\n",
86 icosq->sqn, err);
87 goto out;
88 }
89
90 if (state != MLX5_SQC_STATE_ERR)
91 goto out;
92
93 mlx5e_deactivate_rq(rq);
94 if (xskrq)
95 mlx5e_deactivate_rq(xskrq);
96
97 err = mlx5e_wait_for_icosq_flush(icosq);
98 if (err)
99 goto out;
100
101 mlx5e_deactivate_icosq(icosq);
102
103 /* At this point, both the rq and the icosq are disabled */
104
105 err = mlx5e_health_sq_to_ready(mdev, dev, icosq->sqn);
106 if (err)
107 goto out;
108
109 mlx5e_reset_icosq_cc_pc(icosq);
110
111 mlx5e_free_rx_in_progress_descs(rq);
112 if (xskrq)
113 mlx5e_free_rx_in_progress_descs(xskrq);
114
115 clear_bit(MLX5E_SQ_STATE_RECOVERING, &icosq->state);
116 mlx5e_activate_icosq(icosq);
117
118 mlx5e_activate_rq(rq);
119 rq->stats->recover++;
120
121 if (xskrq) {
122 mlx5e_activate_rq(xskrq);
123 xskrq->stats->recover++;
124 }
125
126 mlx5e_trigger_napi_icosq(icosq->channel);
127
128 mutex_unlock(&icosq->channel->icosq_recovery_lock);
129
130 return 0;
131 out:
132 clear_bit(MLX5E_SQ_STATE_RECOVERING, &icosq->state);
133 mutex_unlock(&icosq->channel->icosq_recovery_lock);
134 return err;
135 }
136
mlx5e_rx_reporter_err_rq_cqe_recover(void * ctx)137 static int mlx5e_rx_reporter_err_rq_cqe_recover(void *ctx)
138 {
139 struct mlx5e_rq *rq = ctx;
140 int err;
141
142 mlx5e_deactivate_rq(rq);
143 err = mlx5e_flush_rq(rq, MLX5_RQC_STATE_ERR);
144 clear_bit(MLX5E_RQ_STATE_RECOVERING, &rq->state);
145 if (err)
146 return err;
147
148 mlx5e_activate_rq(rq);
149 rq->stats->recover++;
150 if (rq->channel)
151 mlx5e_trigger_napi_icosq(rq->channel);
152 else
153 mlx5e_trigger_napi_sched(rq->cq.napi);
154 return 0;
155 }
156
mlx5e_rx_reporter_timeout_recover(void * ctx)157 static int mlx5e_rx_reporter_timeout_recover(void *ctx)
158 {
159 struct mlx5_eq_comp *eq;
160 struct mlx5e_rq *rq;
161 int err;
162
163 rq = ctx;
164 eq = rq->cq.mcq.eq;
165
166 err = mlx5e_health_channel_eq_recover(rq->netdev, eq, rq->cq.ch_stats);
167 if (err && rq->icosq)
168 clear_bit(MLX5E_SQ_STATE_ENABLED, &rq->icosq->state);
169
170 return err;
171 }
172
mlx5e_rx_reporter_recover_from_ctx(struct mlx5e_err_ctx * err_ctx)173 static int mlx5e_rx_reporter_recover_from_ctx(struct mlx5e_err_ctx *err_ctx)
174 {
175 return err_ctx->recover(err_ctx->ctx);
176 }
177
mlx5e_rx_reporter_recover(struct devlink_health_reporter * reporter,void * context,struct netlink_ext_ack * extack)178 static int mlx5e_rx_reporter_recover(struct devlink_health_reporter *reporter,
179 void *context,
180 struct netlink_ext_ack *extack)
181 {
182 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
183 struct mlx5e_err_ctx *err_ctx = context;
184
185 return err_ctx ? mlx5e_rx_reporter_recover_from_ctx(err_ctx) :
186 mlx5e_health_recover_channels(priv);
187 }
188
mlx5e_reporter_icosq_diagnose(struct mlx5e_icosq * icosq,u8 hw_state,struct devlink_fmsg * fmsg)189 static int mlx5e_reporter_icosq_diagnose(struct mlx5e_icosq *icosq, u8 hw_state,
190 struct devlink_fmsg *fmsg)
191 {
192 int err;
193
194 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "ICOSQ");
195 if (err)
196 return err;
197
198 err = devlink_fmsg_u32_pair_put(fmsg, "sqn", icosq->sqn);
199 if (err)
200 return err;
201
202 err = devlink_fmsg_u8_pair_put(fmsg, "HW state", hw_state);
203 if (err)
204 return err;
205
206 err = devlink_fmsg_u32_pair_put(fmsg, "cc", icosq->cc);
207 if (err)
208 return err;
209
210 err = devlink_fmsg_u32_pair_put(fmsg, "pc", icosq->pc);
211 if (err)
212 return err;
213
214 err = devlink_fmsg_u32_pair_put(fmsg, "WQE size",
215 mlx5_wq_cyc_get_size(&icosq->wq));
216 if (err)
217 return err;
218
219 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "CQ");
220 if (err)
221 return err;
222
223 err = devlink_fmsg_u32_pair_put(fmsg, "cqn", icosq->cq.mcq.cqn);
224 if (err)
225 return err;
226
227 err = devlink_fmsg_u32_pair_put(fmsg, "cc", icosq->cq.wq.cc);
228 if (err)
229 return err;
230
231 err = devlink_fmsg_u32_pair_put(fmsg, "size", mlx5_cqwq_get_size(&icosq->cq.wq));
232 if (err)
233 return err;
234
235 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
236 if (err)
237 return err;
238
239 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
240 }
241
242 static int
mlx5e_rx_reporter_build_diagnose_output_rq_common(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)243 mlx5e_rx_reporter_build_diagnose_output_rq_common(struct mlx5e_rq *rq,
244 struct devlink_fmsg *fmsg)
245 {
246 u16 wqe_counter;
247 int wqes_sz;
248 u8 hw_state;
249 u16 wq_head;
250 int err;
251
252 err = mlx5e_query_rq_state(rq->mdev, rq->rqn, &hw_state);
253 if (err)
254 return err;
255
256 wqes_sz = mlx5e_rqwq_get_cur_sz(rq);
257 wq_head = mlx5e_rqwq_get_head(rq);
258 wqe_counter = mlx5e_rqwq_get_wqe_counter(rq);
259
260 err = devlink_fmsg_u32_pair_put(fmsg, "rqn", rq->rqn);
261 if (err)
262 return err;
263
264 err = devlink_fmsg_u8_pair_put(fmsg, "HW state", hw_state);
265 if (err)
266 return err;
267
268 err = devlink_fmsg_u8_pair_put(fmsg, "SW state", rq->state);
269 if (err)
270 return err;
271
272 err = devlink_fmsg_u32_pair_put(fmsg, "WQE counter", wqe_counter);
273 if (err)
274 return err;
275
276 err = devlink_fmsg_u32_pair_put(fmsg, "posted WQEs", wqes_sz);
277 if (err)
278 return err;
279
280 err = devlink_fmsg_u32_pair_put(fmsg, "cc", wq_head);
281 if (err)
282 return err;
283
284 err = mlx5e_health_cq_diag_fmsg(&rq->cq, fmsg);
285 if (err)
286 return err;
287
288 err = mlx5e_health_eq_diag_fmsg(rq->cq.mcq.eq, fmsg);
289 if (err)
290 return err;
291
292 if (rq->icosq) {
293 struct mlx5e_icosq *icosq = rq->icosq;
294 u8 icosq_hw_state;
295
296 err = mlx5_core_query_sq_state(rq->mdev, icosq->sqn, &icosq_hw_state);
297 if (err)
298 return err;
299
300 err = mlx5e_reporter_icosq_diagnose(icosq, icosq_hw_state, fmsg);
301 if (err)
302 return err;
303 }
304
305 return 0;
306 }
307
mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)308 static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
309 struct devlink_fmsg *fmsg)
310 {
311 int err;
312
313 err = devlink_fmsg_obj_nest_start(fmsg);
314 if (err)
315 return err;
316
317 err = devlink_fmsg_u32_pair_put(fmsg, "channel ix", rq->ix);
318 if (err)
319 return err;
320
321 err = mlx5e_rx_reporter_build_diagnose_output_rq_common(rq, fmsg);
322 if (err)
323 return err;
324
325 return devlink_fmsg_obj_nest_end(fmsg);
326 }
327
mlx5e_rx_reporter_diagnose_generic_rq(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)328 static int mlx5e_rx_reporter_diagnose_generic_rq(struct mlx5e_rq *rq,
329 struct devlink_fmsg *fmsg)
330 {
331 struct mlx5e_priv *priv = rq->priv;
332 struct mlx5e_params *params;
333 u32 rq_stride, rq_sz;
334 bool real_time;
335 int err;
336
337 params = &priv->channels.params;
338 rq_sz = mlx5e_rqwq_get_size(rq);
339 real_time = mlx5_is_real_time_rq(priv->mdev);
340 rq_stride = BIT(mlx5e_mpwqe_get_log_stride_size(priv->mdev, params, NULL));
341
342 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RQ");
343 if (err)
344 return err;
345
346 err = devlink_fmsg_u8_pair_put(fmsg, "type", params->rq_wq_type);
347 if (err)
348 return err;
349
350 err = devlink_fmsg_u64_pair_put(fmsg, "stride size", rq_stride);
351 if (err)
352 return err;
353
354 err = devlink_fmsg_u32_pair_put(fmsg, "size", rq_sz);
355 if (err)
356 return err;
357
358 err = devlink_fmsg_string_pair_put(fmsg, "ts_format", real_time ? "RT" : "FRC");
359 if (err)
360 return err;
361
362 err = mlx5e_health_cq_common_diag_fmsg(&rq->cq, fmsg);
363 if (err)
364 return err;
365
366 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
367 }
368
369 static int
mlx5e_rx_reporter_diagnose_common_ptp_config(struct mlx5e_priv * priv,struct mlx5e_ptp * ptp_ch,struct devlink_fmsg * fmsg)370 mlx5e_rx_reporter_diagnose_common_ptp_config(struct mlx5e_priv *priv, struct mlx5e_ptp *ptp_ch,
371 struct devlink_fmsg *fmsg)
372 {
373 int err;
374
375 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "PTP");
376 if (err)
377 return err;
378
379 err = devlink_fmsg_u32_pair_put(fmsg, "filter_type", priv->tstamp.rx_filter);
380 if (err)
381 return err;
382
383 err = mlx5e_rx_reporter_diagnose_generic_rq(&ptp_ch->rq, fmsg);
384 if (err)
385 return err;
386
387 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
388 }
389
390 static int
mlx5e_rx_reporter_diagnose_common_config(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg)391 mlx5e_rx_reporter_diagnose_common_config(struct devlink_health_reporter *reporter,
392 struct devlink_fmsg *fmsg)
393 {
394 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
395 struct mlx5e_rq *generic_rq = &priv->channels.c[0]->rq;
396 struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
397 int err;
398
399 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "Common config");
400 if (err)
401 return err;
402
403 err = mlx5e_rx_reporter_diagnose_generic_rq(generic_rq, fmsg);
404 if (err)
405 return err;
406
407 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) {
408 err = mlx5e_rx_reporter_diagnose_common_ptp_config(priv, ptp_ch, fmsg);
409 if (err)
410 return err;
411 }
412
413 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
414 }
415
mlx5e_rx_reporter_build_diagnose_output_ptp_rq(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)416 static int mlx5e_rx_reporter_build_diagnose_output_ptp_rq(struct mlx5e_rq *rq,
417 struct devlink_fmsg *fmsg)
418 {
419 int err;
420
421 err = devlink_fmsg_obj_nest_start(fmsg);
422 if (err)
423 return err;
424
425 err = devlink_fmsg_string_pair_put(fmsg, "channel", "ptp");
426 if (err)
427 return err;
428
429 err = mlx5e_rx_reporter_build_diagnose_output_rq_common(rq, fmsg);
430 if (err)
431 return err;
432
433 err = devlink_fmsg_obj_nest_end(fmsg);
434 if (err)
435 return err;
436
437 return 0;
438 }
439
mlx5e_rx_reporter_diagnose(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg,struct netlink_ext_ack * extack)440 static int mlx5e_rx_reporter_diagnose(struct devlink_health_reporter *reporter,
441 struct devlink_fmsg *fmsg,
442 struct netlink_ext_ack *extack)
443 {
444 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
445 struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
446 int i, err = 0;
447
448 mutex_lock(&priv->state_lock);
449
450 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
451 goto unlock;
452
453 err = mlx5e_rx_reporter_diagnose_common_config(reporter, fmsg);
454 if (err)
455 goto unlock;
456
457 err = devlink_fmsg_arr_pair_nest_start(fmsg, "RQs");
458 if (err)
459 goto unlock;
460
461 for (i = 0; i < priv->channels.num; i++) {
462 struct mlx5e_channel *c = priv->channels.c[i];
463 struct mlx5e_rq *rq;
464
465 rq = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state) ?
466 &c->xskrq : &c->rq;
467
468 err = mlx5e_rx_reporter_build_diagnose_output(rq, fmsg);
469 if (err)
470 goto unlock;
471 }
472 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) {
473 err = mlx5e_rx_reporter_build_diagnose_output_ptp_rq(&ptp_ch->rq, fmsg);
474 if (err)
475 goto unlock;
476 }
477 err = devlink_fmsg_arr_pair_nest_end(fmsg);
478 unlock:
479 mutex_unlock(&priv->state_lock);
480 return err;
481 }
482
mlx5e_rx_reporter_dump_icosq(struct mlx5e_priv * priv,struct devlink_fmsg * fmsg,void * ctx)483 static int mlx5e_rx_reporter_dump_icosq(struct mlx5e_priv *priv, struct devlink_fmsg *fmsg,
484 void *ctx)
485 {
486 struct mlx5e_txqsq *icosq = ctx;
487 struct mlx5_rsc_key key = {};
488 int err;
489
490 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
491 return 0;
492
493 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SX Slice");
494 if (err)
495 return err;
496
497 key.size = PAGE_SIZE;
498 key.rsc = MLX5_SGMT_TYPE_SX_SLICE_ALL;
499 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
500 if (err)
501 return err;
502
503 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
504 if (err)
505 return err;
506
507 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "ICOSQ");
508 if (err)
509 return err;
510
511 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "QPC");
512 if (err)
513 return err;
514
515 key.rsc = MLX5_SGMT_TYPE_FULL_QPC;
516 key.index1 = icosq->sqn;
517 key.num_of_obj1 = 1;
518
519 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
520 if (err)
521 return err;
522
523 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
524 if (err)
525 return err;
526
527 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "send_buff");
528 if (err)
529 return err;
530
531 key.rsc = MLX5_SGMT_TYPE_SND_BUFF;
532 key.num_of_obj2 = MLX5_RSC_DUMP_ALL;
533
534 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
535 if (err)
536 return err;
537
538 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
539 if (err)
540 return err;
541
542 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
543 }
544
mlx5e_rx_reporter_dump_rq(struct mlx5e_priv * priv,struct devlink_fmsg * fmsg,void * ctx)545 static int mlx5e_rx_reporter_dump_rq(struct mlx5e_priv *priv, struct devlink_fmsg *fmsg,
546 void *ctx)
547 {
548 struct mlx5_rsc_key key = {};
549 struct mlx5e_rq *rq = ctx;
550 int err;
551
552 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
553 return 0;
554
555 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RX Slice");
556 if (err)
557 return err;
558
559 key.size = PAGE_SIZE;
560 key.rsc = MLX5_SGMT_TYPE_RX_SLICE_ALL;
561 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
562 if (err)
563 return err;
564
565 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
566 if (err)
567 return err;
568
569 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RQ");
570 if (err)
571 return err;
572
573 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "QPC");
574 if (err)
575 return err;
576
577 key.rsc = MLX5_SGMT_TYPE_FULL_QPC;
578 key.index1 = rq->rqn;
579 key.num_of_obj1 = 1;
580
581 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
582 if (err)
583 return err;
584
585 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
586 if (err)
587 return err;
588
589 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "receive_buff");
590 if (err)
591 return err;
592
593 key.rsc = MLX5_SGMT_TYPE_RCV_BUFF;
594 key.num_of_obj2 = MLX5_RSC_DUMP_ALL;
595 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
596 if (err)
597 return err;
598
599 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
600 if (err)
601 return err;
602
603 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
604 }
605
mlx5e_rx_reporter_dump_all_rqs(struct mlx5e_priv * priv,struct devlink_fmsg * fmsg)606 static int mlx5e_rx_reporter_dump_all_rqs(struct mlx5e_priv *priv,
607 struct devlink_fmsg *fmsg)
608 {
609 struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
610 struct mlx5_rsc_key key = {};
611 int i, err;
612
613 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
614 return 0;
615
616 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RX Slice");
617 if (err)
618 return err;
619
620 key.size = PAGE_SIZE;
621 key.rsc = MLX5_SGMT_TYPE_RX_SLICE_ALL;
622 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
623 if (err)
624 return err;
625
626 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
627 if (err)
628 return err;
629
630 err = devlink_fmsg_arr_pair_nest_start(fmsg, "RQs");
631 if (err)
632 return err;
633
634 for (i = 0; i < priv->channels.num; i++) {
635 struct mlx5e_rq *rq = &priv->channels.c[i]->rq;
636
637 err = mlx5e_health_queue_dump(priv, fmsg, rq->rqn, "RQ");
638 if (err)
639 return err;
640 }
641
642 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) {
643 err = mlx5e_health_queue_dump(priv, fmsg, ptp_ch->rq.rqn, "PTP RQ");
644 if (err)
645 return err;
646 }
647
648 return devlink_fmsg_arr_pair_nest_end(fmsg);
649 }
650
mlx5e_rx_reporter_dump_from_ctx(struct mlx5e_priv * priv,struct mlx5e_err_ctx * err_ctx,struct devlink_fmsg * fmsg)651 static int mlx5e_rx_reporter_dump_from_ctx(struct mlx5e_priv *priv,
652 struct mlx5e_err_ctx *err_ctx,
653 struct devlink_fmsg *fmsg)
654 {
655 return err_ctx->dump(priv, fmsg, err_ctx->ctx);
656 }
657
mlx5e_rx_reporter_dump(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg,void * context,struct netlink_ext_ack * extack)658 static int mlx5e_rx_reporter_dump(struct devlink_health_reporter *reporter,
659 struct devlink_fmsg *fmsg, void *context,
660 struct netlink_ext_ack *extack)
661 {
662 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
663 struct mlx5e_err_ctx *err_ctx = context;
664
665 return err_ctx ? mlx5e_rx_reporter_dump_from_ctx(priv, err_ctx, fmsg) :
666 mlx5e_rx_reporter_dump_all_rqs(priv, fmsg);
667 }
668
mlx5e_reporter_rx_timeout(struct mlx5e_rq * rq)669 void mlx5e_reporter_rx_timeout(struct mlx5e_rq *rq)
670 {
671 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN];
672 struct mlx5e_icosq *icosq = rq->icosq;
673 struct mlx5e_priv *priv = rq->priv;
674 struct mlx5e_err_ctx err_ctx = {};
675 char icosq_str[32] = {};
676
677 err_ctx.ctx = rq;
678 err_ctx.recover = mlx5e_rx_reporter_timeout_recover;
679 err_ctx.dump = mlx5e_rx_reporter_dump_rq;
680
681 if (icosq)
682 snprintf(icosq_str, sizeof(icosq_str), "ICOSQ: 0x%x, ", icosq->sqn);
683 snprintf(err_str, sizeof(err_str),
684 "RX timeout on channel: %d, %s RQ: 0x%x, CQ: 0x%x",
685 rq->ix, icosq_str, rq->rqn, rq->cq.mcq.cqn);
686
687 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx);
688 }
689
mlx5e_reporter_rq_cqe_err(struct mlx5e_rq * rq)690 void mlx5e_reporter_rq_cqe_err(struct mlx5e_rq *rq)
691 {
692 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN];
693 struct mlx5e_priv *priv = rq->priv;
694 struct mlx5e_err_ctx err_ctx = {};
695
696 err_ctx.ctx = rq;
697 err_ctx.recover = mlx5e_rx_reporter_err_rq_cqe_recover;
698 err_ctx.dump = mlx5e_rx_reporter_dump_rq;
699 snprintf(err_str, sizeof(err_str), "ERR CQE on RQ: 0x%x", rq->rqn);
700
701 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx);
702 }
703
mlx5e_reporter_icosq_cqe_err(struct mlx5e_icosq * icosq)704 void mlx5e_reporter_icosq_cqe_err(struct mlx5e_icosq *icosq)
705 {
706 struct mlx5e_priv *priv = icosq->channel->priv;
707 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN];
708 struct mlx5e_err_ctx err_ctx = {};
709
710 err_ctx.ctx = icosq;
711 err_ctx.recover = mlx5e_rx_reporter_err_icosq_cqe_recover;
712 err_ctx.dump = mlx5e_rx_reporter_dump_icosq;
713 snprintf(err_str, sizeof(err_str), "ERR CQE on ICOSQ: 0x%x", icosq->sqn);
714
715 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx);
716 }
717
mlx5e_reporter_icosq_suspend_recovery(struct mlx5e_channel * c)718 void mlx5e_reporter_icosq_suspend_recovery(struct mlx5e_channel *c)
719 {
720 mutex_lock(&c->icosq_recovery_lock);
721 }
722
mlx5e_reporter_icosq_resume_recovery(struct mlx5e_channel * c)723 void mlx5e_reporter_icosq_resume_recovery(struct mlx5e_channel *c)
724 {
725 mutex_unlock(&c->icosq_recovery_lock);
726 }
727
728 static const struct devlink_health_reporter_ops mlx5_rx_reporter_ops = {
729 .name = "rx",
730 .recover = mlx5e_rx_reporter_recover,
731 .diagnose = mlx5e_rx_reporter_diagnose,
732 .dump = mlx5e_rx_reporter_dump,
733 };
734
735 #define MLX5E_REPORTER_RX_GRACEFUL_PERIOD 500
736
mlx5e_reporter_rx_create(struct mlx5e_priv * priv)737 void mlx5e_reporter_rx_create(struct mlx5e_priv *priv)
738 {
739 struct devlink_port *dl_port = mlx5e_devlink_get_dl_port(priv);
740 struct devlink_health_reporter *reporter;
741
742 reporter = devlink_port_health_reporter_create(dl_port, &mlx5_rx_reporter_ops,
743 MLX5E_REPORTER_RX_GRACEFUL_PERIOD, priv);
744 if (IS_ERR(reporter)) {
745 netdev_warn(priv->netdev, "Failed to create rx reporter, err = %ld\n",
746 PTR_ERR(reporter));
747 return;
748 }
749 priv->rx_reporter = reporter;
750 }
751
mlx5e_reporter_rx_destroy(struct mlx5e_priv * priv)752 void mlx5e_reporter_rx_destroy(struct mlx5e_priv *priv)
753 {
754 if (!priv->rx_reporter)
755 return;
756
757 devlink_port_health_reporter_destroy(priv->rx_reporter);
758 priv->rx_reporter = NULL;
759 }
760