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