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
mlx5e_query_rq_state(struct mlx5_core_dev * dev,u32 rqn,u8 * state)10 static int mlx5e_query_rq_state(struct mlx5_core_dev *dev, u32 rqn, u8 *state)
11 {
12 int outlen = MLX5_ST_SZ_BYTES(query_rq_out);
13 void *out;
14 void *rqc;
15 int err;
16
17 out = kvzalloc(outlen, GFP_KERNEL);
18 if (!out)
19 return -ENOMEM;
20
21 err = mlx5_core_query_rq(dev, rqn, out);
22 if (err)
23 goto out;
24
25 rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context);
26 *state = MLX5_GET(rqc, rqc, state);
27
28 out:
29 kvfree(out);
30 return err;
31 }
32
mlx5e_wait_for_icosq_flush(struct mlx5e_icosq * icosq)33 static int mlx5e_wait_for_icosq_flush(struct mlx5e_icosq *icosq)
34 {
35 unsigned long exp_time = jiffies +
36 msecs_to_jiffies(MLX5E_REPORTER_FLUSH_TIMEOUT_MSEC);
37
38 while (time_before(jiffies, exp_time)) {
39 if (icosq->cc == icosq->pc)
40 return 0;
41
42 msleep(20);
43 }
44
45 netdev_err(icosq->channel->netdev,
46 "Wait for ICOSQ 0x%x flush timeout (cc = 0x%x, pc = 0x%x)\n",
47 icosq->sqn, icosq->cc, icosq->pc);
48
49 return -ETIMEDOUT;
50 }
51
mlx5e_reset_icosq_cc_pc(struct mlx5e_icosq * icosq)52 static void mlx5e_reset_icosq_cc_pc(struct mlx5e_icosq *icosq)
53 {
54 WARN_ONCE(icosq->cc != icosq->pc, "ICOSQ 0x%x: cc (0x%x) != pc (0x%x)\n",
55 icosq->sqn, icosq->cc, icosq->pc);
56 icosq->cc = 0;
57 icosq->pc = 0;
58 }
59
mlx5e_rx_reporter_err_icosq_cqe_recover(void * ctx)60 static int mlx5e_rx_reporter_err_icosq_cqe_recover(void *ctx)
61 {
62 struct mlx5_core_dev *mdev;
63 struct mlx5e_icosq *icosq;
64 struct net_device *dev;
65 struct mlx5e_rq *rq;
66 u8 state;
67 int err;
68
69 icosq = ctx;
70 rq = &icosq->channel->rq;
71 mdev = icosq->channel->mdev;
72 dev = icosq->channel->netdev;
73 err = mlx5_core_query_sq_state(mdev, icosq->sqn, &state);
74 if (err) {
75 netdev_err(dev, "Failed to query ICOSQ 0x%x state. err = %d\n",
76 icosq->sqn, err);
77 goto out;
78 }
79
80 if (state != MLX5_SQC_STATE_ERR)
81 goto out;
82
83 mlx5e_deactivate_rq(rq);
84 err = mlx5e_wait_for_icosq_flush(icosq);
85 if (err)
86 goto out;
87
88 mlx5e_deactivate_icosq(icosq);
89
90 /* At this point, both the rq and the icosq are disabled */
91
92 err = mlx5e_health_sq_to_ready(mdev, dev, icosq->sqn);
93 if (err)
94 goto out;
95
96 mlx5e_reset_icosq_cc_pc(icosq);
97 mlx5e_free_rx_in_progress_descs(rq);
98 clear_bit(MLX5E_SQ_STATE_RECOVERING, &icosq->state);
99 mlx5e_activate_icosq(icosq);
100 mlx5e_activate_rq(rq);
101
102 rq->stats->recover++;
103 return 0;
104 out:
105 clear_bit(MLX5E_SQ_STATE_RECOVERING, &icosq->state);
106 return err;
107 }
108
mlx5e_rq_to_ready(struct mlx5e_rq * rq,int curr_state)109 static int mlx5e_rq_to_ready(struct mlx5e_rq *rq, int curr_state)
110 {
111 struct net_device *dev = rq->netdev;
112 int err;
113
114 err = mlx5e_modify_rq_state(rq, curr_state, MLX5_RQC_STATE_RST);
115 if (err) {
116 netdev_err(dev, "Failed to move rq 0x%x to reset\n", rq->rqn);
117 return err;
118 }
119 err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY);
120 if (err) {
121 netdev_err(dev, "Failed to move rq 0x%x to ready\n", rq->rqn);
122 return err;
123 }
124
125 return 0;
126 }
127
mlx5e_rx_reporter_err_rq_cqe_recover(void * ctx)128 static int mlx5e_rx_reporter_err_rq_cqe_recover(void *ctx)
129 {
130 struct mlx5e_rq *rq = ctx;
131 int err;
132
133 mlx5e_deactivate_rq(rq);
134 mlx5e_free_rx_descs(rq);
135
136 err = mlx5e_rq_to_ready(rq, MLX5_RQC_STATE_ERR);
137 if (err)
138 goto out;
139
140 clear_bit(MLX5E_RQ_STATE_RECOVERING, &rq->state);
141 mlx5e_activate_rq(rq);
142 rq->stats->recover++;
143 return 0;
144 out:
145 clear_bit(MLX5E_RQ_STATE_RECOVERING, &rq->state);
146 return err;
147 }
148
mlx5e_rx_reporter_timeout_recover(void * ctx)149 static int mlx5e_rx_reporter_timeout_recover(void *ctx)
150 {
151 struct mlx5_eq_comp *eq;
152 struct mlx5e_rq *rq;
153 int err;
154
155 rq = ctx;
156 eq = rq->cq.mcq.eq;
157
158 err = mlx5e_health_channel_eq_recover(rq->netdev, eq, rq->cq.ch_stats);
159 if (err && rq->icosq)
160 clear_bit(MLX5E_SQ_STATE_ENABLED, &rq->icosq->state);
161
162 return err;
163 }
164
mlx5e_rx_reporter_recover_from_ctx(struct mlx5e_err_ctx * err_ctx)165 static int mlx5e_rx_reporter_recover_from_ctx(struct mlx5e_err_ctx *err_ctx)
166 {
167 return err_ctx->recover(err_ctx->ctx);
168 }
169
mlx5e_rx_reporter_recover(struct devlink_health_reporter * reporter,void * context,struct netlink_ext_ack * extack)170 static int mlx5e_rx_reporter_recover(struct devlink_health_reporter *reporter,
171 void *context,
172 struct netlink_ext_ack *extack)
173 {
174 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
175 struct mlx5e_err_ctx *err_ctx = context;
176
177 return err_ctx ? mlx5e_rx_reporter_recover_from_ctx(err_ctx) :
178 mlx5e_health_recover_channels(priv);
179 }
180
mlx5e_reporter_icosq_diagnose(struct mlx5e_icosq * icosq,u8 hw_state,struct devlink_fmsg * fmsg)181 static int mlx5e_reporter_icosq_diagnose(struct mlx5e_icosq *icosq, u8 hw_state,
182 struct devlink_fmsg *fmsg)
183 {
184 int err;
185
186 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "ICOSQ");
187 if (err)
188 return err;
189
190 err = devlink_fmsg_u32_pair_put(fmsg, "sqn", icosq->sqn);
191 if (err)
192 return err;
193
194 err = devlink_fmsg_u8_pair_put(fmsg, "HW state", hw_state);
195 if (err)
196 return err;
197
198 err = devlink_fmsg_u32_pair_put(fmsg, "cc", icosq->cc);
199 if (err)
200 return err;
201
202 err = devlink_fmsg_u32_pair_put(fmsg, "pc", icosq->pc);
203 if (err)
204 return err;
205
206 err = devlink_fmsg_u32_pair_put(fmsg, "WQE size",
207 mlx5_wq_cyc_get_size(&icosq->wq));
208 if (err)
209 return err;
210
211 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "CQ");
212 if (err)
213 return err;
214
215 err = devlink_fmsg_u32_pair_put(fmsg, "cqn", icosq->cq.mcq.cqn);
216 if (err)
217 return err;
218
219 err = devlink_fmsg_u32_pair_put(fmsg, "cc", icosq->cq.wq.cc);
220 if (err)
221 return err;
222
223 err = devlink_fmsg_u32_pair_put(fmsg, "size", mlx5_cqwq_get_size(&icosq->cq.wq));
224 if (err)
225 return err;
226
227 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
228 if (err)
229 return err;
230
231 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
232 }
233
234 static int
mlx5e_rx_reporter_build_diagnose_output_rq_common(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)235 mlx5e_rx_reporter_build_diagnose_output_rq_common(struct mlx5e_rq *rq,
236 struct devlink_fmsg *fmsg)
237 {
238 u16 wqe_counter;
239 int wqes_sz;
240 u8 hw_state;
241 u16 wq_head;
242 int err;
243
244 err = mlx5e_query_rq_state(rq->mdev, rq->rqn, &hw_state);
245 if (err)
246 return err;
247
248 wqes_sz = mlx5e_rqwq_get_cur_sz(rq);
249 wq_head = mlx5e_rqwq_get_head(rq);
250 wqe_counter = mlx5e_rqwq_get_wqe_counter(rq);
251
252 err = devlink_fmsg_u32_pair_put(fmsg, "rqn", rq->rqn);
253 if (err)
254 return err;
255
256 err = devlink_fmsg_u8_pair_put(fmsg, "HW state", hw_state);
257 if (err)
258 return err;
259
260 err = devlink_fmsg_u8_pair_put(fmsg, "SW state", rq->state);
261 if (err)
262 return err;
263
264 err = devlink_fmsg_u32_pair_put(fmsg, "WQE counter", wqe_counter);
265 if (err)
266 return err;
267
268 err = devlink_fmsg_u32_pair_put(fmsg, "posted WQEs", wqes_sz);
269 if (err)
270 return err;
271
272 err = devlink_fmsg_u32_pair_put(fmsg, "cc", wq_head);
273 if (err)
274 return err;
275
276 err = mlx5e_health_cq_diag_fmsg(&rq->cq, fmsg);
277 if (err)
278 return err;
279
280 err = mlx5e_health_eq_diag_fmsg(rq->cq.mcq.eq, fmsg);
281 if (err)
282 return err;
283
284 if (rq->icosq) {
285 struct mlx5e_icosq *icosq = rq->icosq;
286 u8 icosq_hw_state;
287
288 err = mlx5_core_query_sq_state(rq->mdev, icosq->sqn, &icosq_hw_state);
289 if (err)
290 return err;
291
292 err = mlx5e_reporter_icosq_diagnose(icosq, icosq_hw_state, fmsg);
293 if (err)
294 return err;
295 }
296
297 return 0;
298 }
299
mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)300 static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
301 struct devlink_fmsg *fmsg)
302 {
303 int err;
304
305 err = devlink_fmsg_obj_nest_start(fmsg);
306 if (err)
307 return err;
308
309 err = devlink_fmsg_u32_pair_put(fmsg, "channel ix", rq->ix);
310 if (err)
311 return err;
312
313 err = mlx5e_rx_reporter_build_diagnose_output_rq_common(rq, fmsg);
314 if (err)
315 return err;
316
317 return devlink_fmsg_obj_nest_end(fmsg);
318 }
319
mlx5e_rx_reporter_diagnose_generic_rq(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)320 static int mlx5e_rx_reporter_diagnose_generic_rq(struct mlx5e_rq *rq,
321 struct devlink_fmsg *fmsg)
322 {
323 struct mlx5e_priv *priv = rq->priv;
324 struct mlx5e_params *params;
325 u32 rq_stride, rq_sz;
326 bool real_time;
327 int err;
328
329 params = &priv->channels.params;
330 rq_sz = mlx5e_rqwq_get_size(rq);
331 real_time = mlx5_is_real_time_rq(priv->mdev);
332 rq_stride = BIT(mlx5e_mpwqe_get_log_stride_size(priv->mdev, params, NULL));
333
334 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RQ");
335 if (err)
336 return err;
337
338 err = devlink_fmsg_u8_pair_put(fmsg, "type", params->rq_wq_type);
339 if (err)
340 return err;
341
342 err = devlink_fmsg_u64_pair_put(fmsg, "stride size", rq_stride);
343 if (err)
344 return err;
345
346 err = devlink_fmsg_u32_pair_put(fmsg, "size", rq_sz);
347 if (err)
348 return err;
349
350 err = devlink_fmsg_string_pair_put(fmsg, "ts_format", real_time ? "RT" : "FRC");
351 if (err)
352 return err;
353
354 err = mlx5e_health_cq_common_diag_fmsg(&rq->cq, fmsg);
355 if (err)
356 return err;
357
358 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
359 }
360
361 static int
mlx5e_rx_reporter_diagnose_common_ptp_config(struct mlx5e_priv * priv,struct mlx5e_ptp * ptp_ch,struct devlink_fmsg * fmsg)362 mlx5e_rx_reporter_diagnose_common_ptp_config(struct mlx5e_priv *priv, struct mlx5e_ptp *ptp_ch,
363 struct devlink_fmsg *fmsg)
364 {
365 int err;
366
367 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "PTP");
368 if (err)
369 return err;
370
371 err = devlink_fmsg_u32_pair_put(fmsg, "filter_type", priv->tstamp.rx_filter);
372 if (err)
373 return err;
374
375 err = mlx5e_rx_reporter_diagnose_generic_rq(&ptp_ch->rq, fmsg);
376 if (err)
377 return err;
378
379 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
380 }
381
382 static int
mlx5e_rx_reporter_diagnose_common_config(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg)383 mlx5e_rx_reporter_diagnose_common_config(struct devlink_health_reporter *reporter,
384 struct devlink_fmsg *fmsg)
385 {
386 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
387 struct mlx5e_rq *generic_rq = &priv->channels.c[0]->rq;
388 struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
389 int err;
390
391 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "Common config");
392 if (err)
393 return err;
394
395 err = mlx5e_rx_reporter_diagnose_generic_rq(generic_rq, fmsg);
396 if (err)
397 return err;
398
399 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) {
400 err = mlx5e_rx_reporter_diagnose_common_ptp_config(priv, ptp_ch, fmsg);
401 if (err)
402 return err;
403 }
404
405 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
406 }
407
mlx5e_rx_reporter_build_diagnose_output_ptp_rq(struct mlx5e_rq * rq,struct devlink_fmsg * fmsg)408 static int mlx5e_rx_reporter_build_diagnose_output_ptp_rq(struct mlx5e_rq *rq,
409 struct devlink_fmsg *fmsg)
410 {
411 int err;
412
413 err = devlink_fmsg_obj_nest_start(fmsg);
414 if (err)
415 return err;
416
417 err = devlink_fmsg_string_pair_put(fmsg, "channel", "ptp");
418 if (err)
419 return err;
420
421 err = mlx5e_rx_reporter_build_diagnose_output_rq_common(rq, fmsg);
422 if (err)
423 return err;
424
425 err = devlink_fmsg_obj_nest_end(fmsg);
426 if (err)
427 return err;
428
429 return 0;
430 }
431
mlx5e_rx_reporter_diagnose(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg,struct netlink_ext_ack * extack)432 static int mlx5e_rx_reporter_diagnose(struct devlink_health_reporter *reporter,
433 struct devlink_fmsg *fmsg,
434 struct netlink_ext_ack *extack)
435 {
436 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
437 struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
438 int i, err = 0;
439
440 mutex_lock(&priv->state_lock);
441
442 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
443 goto unlock;
444
445 err = mlx5e_rx_reporter_diagnose_common_config(reporter, fmsg);
446 if (err)
447 goto unlock;
448
449 err = devlink_fmsg_arr_pair_nest_start(fmsg, "RQs");
450 if (err)
451 goto unlock;
452
453 for (i = 0; i < priv->channels.num; i++) {
454 struct mlx5e_rq *rq = &priv->channels.c[i]->rq;
455
456 err = mlx5e_rx_reporter_build_diagnose_output(rq, fmsg);
457 if (err)
458 goto unlock;
459 }
460 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) {
461 err = mlx5e_rx_reporter_build_diagnose_output_ptp_rq(&ptp_ch->rq, fmsg);
462 if (err)
463 goto unlock;
464 }
465 err = devlink_fmsg_arr_pair_nest_end(fmsg);
466 unlock:
467 mutex_unlock(&priv->state_lock);
468 return err;
469 }
470
mlx5e_rx_reporter_dump_icosq(struct mlx5e_priv * priv,struct devlink_fmsg * fmsg,void * ctx)471 static int mlx5e_rx_reporter_dump_icosq(struct mlx5e_priv *priv, struct devlink_fmsg *fmsg,
472 void *ctx)
473 {
474 struct mlx5e_txqsq *icosq = ctx;
475 struct mlx5_rsc_key key = {};
476 int err;
477
478 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
479 return 0;
480
481 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SX Slice");
482 if (err)
483 return err;
484
485 key.size = PAGE_SIZE;
486 key.rsc = MLX5_SGMT_TYPE_SX_SLICE_ALL;
487 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
488 if (err)
489 return err;
490
491 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
492 if (err)
493 return err;
494
495 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "ICOSQ");
496 if (err)
497 return err;
498
499 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "QPC");
500 if (err)
501 return err;
502
503 key.rsc = MLX5_SGMT_TYPE_FULL_QPC;
504 key.index1 = icosq->sqn;
505 key.num_of_obj1 = 1;
506
507 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
508 if (err)
509 return err;
510
511 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
512 if (err)
513 return err;
514
515 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "send_buff");
516 if (err)
517 return err;
518
519 key.rsc = MLX5_SGMT_TYPE_SND_BUFF;
520 key.num_of_obj2 = MLX5_RSC_DUMP_ALL;
521
522 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
523 if (err)
524 return err;
525
526 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
527 if (err)
528 return err;
529
530 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
531 }
532
mlx5e_rx_reporter_dump_rq(struct mlx5e_priv * priv,struct devlink_fmsg * fmsg,void * ctx)533 static int mlx5e_rx_reporter_dump_rq(struct mlx5e_priv *priv, struct devlink_fmsg *fmsg,
534 void *ctx)
535 {
536 struct mlx5_rsc_key key = {};
537 struct mlx5e_rq *rq = ctx;
538 int err;
539
540 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
541 return 0;
542
543 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RX Slice");
544 if (err)
545 return err;
546
547 key.size = PAGE_SIZE;
548 key.rsc = MLX5_SGMT_TYPE_RX_SLICE_ALL;
549 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
550 if (err)
551 return err;
552
553 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
554 if (err)
555 return err;
556
557 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RQ");
558 if (err)
559 return err;
560
561 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "QPC");
562 if (err)
563 return err;
564
565 key.rsc = MLX5_SGMT_TYPE_FULL_QPC;
566 key.index1 = rq->rqn;
567 key.num_of_obj1 = 1;
568
569 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
570 if (err)
571 return err;
572
573 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
574 if (err)
575 return err;
576
577 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "receive_buff");
578 if (err)
579 return err;
580
581 key.rsc = MLX5_SGMT_TYPE_RCV_BUFF;
582 key.num_of_obj2 = MLX5_RSC_DUMP_ALL;
583 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
584 if (err)
585 return err;
586
587 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
588 if (err)
589 return err;
590
591 return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
592 }
593
mlx5e_rx_reporter_dump_all_rqs(struct mlx5e_priv * priv,struct devlink_fmsg * fmsg)594 static int mlx5e_rx_reporter_dump_all_rqs(struct mlx5e_priv *priv,
595 struct devlink_fmsg *fmsg)
596 {
597 struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
598 struct mlx5_rsc_key key = {};
599 int i, err;
600
601 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
602 return 0;
603
604 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RX Slice");
605 if (err)
606 return err;
607
608 key.size = PAGE_SIZE;
609 key.rsc = MLX5_SGMT_TYPE_RX_SLICE_ALL;
610 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg);
611 if (err)
612 return err;
613
614 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
615 if (err)
616 return err;
617
618 err = devlink_fmsg_arr_pair_nest_start(fmsg, "RQs");
619 if (err)
620 return err;
621
622 for (i = 0; i < priv->channels.num; i++) {
623 struct mlx5e_rq *rq = &priv->channels.c[i]->rq;
624
625 err = mlx5e_health_queue_dump(priv, fmsg, rq->rqn, "RQ");
626 if (err)
627 return err;
628 }
629
630 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) {
631 err = mlx5e_health_queue_dump(priv, fmsg, ptp_ch->rq.rqn, "PTP RQ");
632 if (err)
633 return err;
634 }
635
636 return devlink_fmsg_arr_pair_nest_end(fmsg);
637 }
638
mlx5e_rx_reporter_dump_from_ctx(struct mlx5e_priv * priv,struct mlx5e_err_ctx * err_ctx,struct devlink_fmsg * fmsg)639 static int mlx5e_rx_reporter_dump_from_ctx(struct mlx5e_priv *priv,
640 struct mlx5e_err_ctx *err_ctx,
641 struct devlink_fmsg *fmsg)
642 {
643 return err_ctx->dump(priv, fmsg, err_ctx->ctx);
644 }
645
mlx5e_rx_reporter_dump(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg,void * context,struct netlink_ext_ack * extack)646 static int mlx5e_rx_reporter_dump(struct devlink_health_reporter *reporter,
647 struct devlink_fmsg *fmsg, void *context,
648 struct netlink_ext_ack *extack)
649 {
650 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
651 struct mlx5e_err_ctx *err_ctx = context;
652
653 return err_ctx ? mlx5e_rx_reporter_dump_from_ctx(priv, err_ctx, fmsg) :
654 mlx5e_rx_reporter_dump_all_rqs(priv, fmsg);
655 }
656
mlx5e_reporter_rx_timeout(struct mlx5e_rq * rq)657 void mlx5e_reporter_rx_timeout(struct mlx5e_rq *rq)
658 {
659 char icosq_str[MLX5E_REPORTER_PER_Q_MAX_LEN] = {};
660 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN];
661 struct mlx5e_icosq *icosq = rq->icosq;
662 struct mlx5e_priv *priv = rq->priv;
663 struct mlx5e_err_ctx err_ctx = {};
664
665 err_ctx.ctx = rq;
666 err_ctx.recover = mlx5e_rx_reporter_timeout_recover;
667 err_ctx.dump = mlx5e_rx_reporter_dump_rq;
668
669 if (icosq)
670 snprintf(icosq_str, sizeof(icosq_str), "ICOSQ: 0x%x, ", icosq->sqn);
671 snprintf(err_str, sizeof(err_str),
672 "RX timeout on channel: %d, %sRQ: 0x%x, CQ: 0x%x",
673 rq->ix, icosq_str, rq->rqn, rq->cq.mcq.cqn);
674
675 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx);
676 }
677
mlx5e_reporter_rq_cqe_err(struct mlx5e_rq * rq)678 void mlx5e_reporter_rq_cqe_err(struct mlx5e_rq *rq)
679 {
680 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN];
681 struct mlx5e_priv *priv = rq->priv;
682 struct mlx5e_err_ctx err_ctx = {};
683
684 err_ctx.ctx = rq;
685 err_ctx.recover = mlx5e_rx_reporter_err_rq_cqe_recover;
686 err_ctx.dump = mlx5e_rx_reporter_dump_rq;
687 snprintf(err_str, sizeof(err_str), "ERR CQE on RQ: 0x%x", rq->rqn);
688
689 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx);
690 }
691
mlx5e_reporter_icosq_cqe_err(struct mlx5e_icosq * icosq)692 void mlx5e_reporter_icosq_cqe_err(struct mlx5e_icosq *icosq)
693 {
694 struct mlx5e_priv *priv = icosq->channel->priv;
695 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN];
696 struct mlx5e_err_ctx err_ctx = {};
697
698 err_ctx.ctx = icosq;
699 err_ctx.recover = mlx5e_rx_reporter_err_icosq_cqe_recover;
700 err_ctx.dump = mlx5e_rx_reporter_dump_icosq;
701 snprintf(err_str, sizeof(err_str), "ERR CQE on ICOSQ: 0x%x", icosq->sqn);
702
703 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx);
704 }
705
706 static const struct devlink_health_reporter_ops mlx5_rx_reporter_ops = {
707 .name = "rx",
708 .recover = mlx5e_rx_reporter_recover,
709 .diagnose = mlx5e_rx_reporter_diagnose,
710 .dump = mlx5e_rx_reporter_dump,
711 };
712
713 #define MLX5E_REPORTER_RX_GRACEFUL_PERIOD 500
714
mlx5e_reporter_rx_create(struct mlx5e_priv * priv)715 void mlx5e_reporter_rx_create(struct mlx5e_priv *priv)
716 {
717 struct devlink_port *dl_port = mlx5e_devlink_get_dl_port(priv);
718 struct devlink_health_reporter *reporter;
719
720 reporter = devlink_port_health_reporter_create(dl_port, &mlx5_rx_reporter_ops,
721 MLX5E_REPORTER_RX_GRACEFUL_PERIOD, priv);
722 if (IS_ERR(reporter)) {
723 netdev_warn(priv->netdev, "Failed to create rx reporter, err = %ld\n",
724 PTR_ERR(reporter));
725 return;
726 }
727 priv->rx_reporter = reporter;
728 }
729
mlx5e_reporter_rx_destroy(struct mlx5e_priv * priv)730 void mlx5e_reporter_rx_destroy(struct mlx5e_priv *priv)
731 {
732 if (!priv->rx_reporter)
733 return;
734
735 devlink_port_health_reporter_destroy(priv->rx_reporter);
736 priv->rx_reporter = NULL;
737 }
738
