1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/relay.h>
5 #include "mt7915.h"
6 #include "eeprom.h"
7 #include "mcu.h"
8 #include "mac.h"
9
10 #define FW_BIN_LOG_MAGIC 0x44e98caf
11
12 /** global debugfs **/
13
14 struct hw_queue_map {
15 const char *name;
16 u8 index;
17 u8 pid;
18 u8 qid;
19 };
20
21 static int
mt7915_implicit_txbf_set(void * data,u64 val)22 mt7915_implicit_txbf_set(void *data, u64 val)
23 {
24 struct mt7915_dev *dev = data;
25
26 /* The existing connected stations shall reconnect to apply
27 * new implicit txbf configuration.
28 */
29 dev->ibf = !!val;
30
31 return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
32 }
33
34 static int
mt7915_implicit_txbf_get(void * data,u64 * val)35 mt7915_implicit_txbf_get(void *data, u64 *val)
36 {
37 struct mt7915_dev *dev = data;
38
39 *val = dev->ibf;
40
41 return 0;
42 }
43
44 DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get,
45 mt7915_implicit_txbf_set, "%lld\n");
46
47 /* test knob of system error recovery */
48 static ssize_t
mt7915_sys_recovery_set(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)49 mt7915_sys_recovery_set(struct file *file, const char __user *user_buf,
50 size_t count, loff_t *ppos)
51 {
52 struct mt7915_phy *phy = file->private_data;
53 struct mt7915_dev *dev = phy->dev;
54 bool band = phy->mt76->band_idx;
55 char buf[16];
56 int ret = 0;
57 u16 val;
58
59 if (count >= sizeof(buf))
60 return -EINVAL;
61
62 if (copy_from_user(buf, user_buf, count))
63 return -EFAULT;
64
65 if (count && buf[count - 1] == '\n')
66 buf[count - 1] = '\0';
67 else
68 buf[count] = '\0';
69
70 if (kstrtou16(buf, 0, &val))
71 return -EINVAL;
72
73 switch (val) {
74 /*
75 * 0: grab firmware current SER state.
76 * 1: trigger & enable system error L1 recovery.
77 * 2: trigger & enable system error L2 recovery.
78 * 3: trigger & enable system error L3 rx abort.
79 * 4: trigger & enable system error L3 tx abort
80 * 5: trigger & enable system error L3 tx disable.
81 * 6: trigger & enable system error L3 bf recovery.
82 * 7: trigger & enable system error full recovery.
83 * 8: trigger firmware crash.
84 */
85 case SER_QUERY:
86 ret = mt7915_mcu_set_ser(dev, 0, 0, band);
87 break;
88 case SER_SET_RECOVER_L1:
89 case SER_SET_RECOVER_L2:
90 case SER_SET_RECOVER_L3_RX_ABORT:
91 case SER_SET_RECOVER_L3_TX_ABORT:
92 case SER_SET_RECOVER_L3_TX_DISABLE:
93 case SER_SET_RECOVER_L3_BF:
94 ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), band);
95 if (ret)
96 return ret;
97
98 ret = mt7915_mcu_set_ser(dev, SER_RECOVER, val, band);
99 break;
100
101 /* enable full chip reset */
102 case SER_SET_RECOVER_FULL:
103 mt76_set(dev, MT_WFDMA0_MCU_HOST_INT_ENA, MT_MCU_CMD_WDT_MASK);
104 ret = mt7915_mcu_set_ser(dev, 1, 3, band);
105 if (ret)
106 return ret;
107
108 dev->recovery.state |= MT_MCU_CMD_WDT_MASK;
109 mt7915_reset(dev);
110 break;
111
112 /* WARNING: trigger firmware crash */
113 case SER_SET_SYSTEM_ASSERT:
114 mt76_wr(dev, MT_MCU_WM_CIRQ_EINT_MASK_CLR_ADDR, BIT(18));
115 mt76_wr(dev, MT_MCU_WM_CIRQ_EINT_SOFT_ADDR, BIT(18));
116 break;
117 default:
118 break;
119 }
120
121 return ret ? ret : count;
122 }
123
124 static ssize_t
mt7915_sys_recovery_get(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)125 mt7915_sys_recovery_get(struct file *file, char __user *user_buf,
126 size_t count, loff_t *ppos)
127 {
128 struct mt7915_phy *phy = file->private_data;
129 struct mt7915_dev *dev = phy->dev;
130 char *buff;
131 int desc = 0;
132 ssize_t ret;
133 static const size_t bufsz = 1024;
134
135 buff = kmalloc(bufsz, GFP_KERNEL);
136 if (!buff)
137 return -ENOMEM;
138
139 /* HELP */
140 desc += scnprintf(buff + desc, bufsz - desc,
141 "Please echo the correct value ...\n");
142 desc += scnprintf(buff + desc, bufsz - desc,
143 "0: grab firmware transient SER state\n");
144 desc += scnprintf(buff + desc, bufsz - desc,
145 "1: trigger system error L1 recovery\n");
146 desc += scnprintf(buff + desc, bufsz - desc,
147 "2: trigger system error L2 recovery\n");
148 desc += scnprintf(buff + desc, bufsz - desc,
149 "3: trigger system error L3 rx abort\n");
150 desc += scnprintf(buff + desc, bufsz - desc,
151 "4: trigger system error L3 tx abort\n");
152 desc += scnprintf(buff + desc, bufsz - desc,
153 "5: trigger system error L3 tx disable\n");
154 desc += scnprintf(buff + desc, bufsz - desc,
155 "6: trigger system error L3 bf recovery\n");
156 desc += scnprintf(buff + desc, bufsz - desc,
157 "7: trigger system error full recovery\n");
158 desc += scnprintf(buff + desc, bufsz - desc,
159 "8: trigger firmware crash\n");
160
161 /* SER statistics */
162 desc += scnprintf(buff + desc, bufsz - desc,
163 "\nlet's dump firmware SER statistics...\n");
164 desc += scnprintf(buff + desc, bufsz - desc,
165 "::E R , SER_STATUS = 0x%08x\n",
166 mt76_rr(dev, MT_SWDEF_SER_STATS));
167 desc += scnprintf(buff + desc, bufsz - desc,
168 "::E R , SER_PLE_ERR = 0x%08x\n",
169 mt76_rr(dev, MT_SWDEF_PLE_STATS));
170 desc += scnprintf(buff + desc, bufsz - desc,
171 "::E R , SER_PLE_ERR_1 = 0x%08x\n",
172 mt76_rr(dev, MT_SWDEF_PLE1_STATS));
173 desc += scnprintf(buff + desc, bufsz - desc,
174 "::E R , SER_PLE_ERR_AMSDU = 0x%08x\n",
175 mt76_rr(dev, MT_SWDEF_PLE_AMSDU_STATS));
176 desc += scnprintf(buff + desc, bufsz - desc,
177 "::E R , SER_PSE_ERR = 0x%08x\n",
178 mt76_rr(dev, MT_SWDEF_PSE_STATS));
179 desc += scnprintf(buff + desc, bufsz - desc,
180 "::E R , SER_PSE_ERR_1 = 0x%08x\n",
181 mt76_rr(dev, MT_SWDEF_PSE1_STATS));
182 desc += scnprintf(buff + desc, bufsz - desc,
183 "::E R , SER_LMAC_WISR6_B0 = 0x%08x\n",
184 mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN0_STATS));
185 desc += scnprintf(buff + desc, bufsz - desc,
186 "::E R , SER_LMAC_WISR6_B1 = 0x%08x\n",
187 mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN1_STATS));
188 desc += scnprintf(buff + desc, bufsz - desc,
189 "::E R , SER_LMAC_WISR7_B0 = 0x%08x\n",
190 mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN0_STATS));
191 desc += scnprintf(buff + desc, bufsz - desc,
192 "::E R , SER_LMAC_WISR7_B1 = 0x%08x\n",
193 mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN1_STATS));
194 desc += scnprintf(buff + desc, bufsz - desc,
195 "\nSYS_RESET_COUNT: WM %d, WA %d\n",
196 dev->recovery.wm_reset_count,
197 dev->recovery.wa_reset_count);
198
199 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
200 kfree(buff);
201 return ret;
202 }
203
204 static const struct file_operations mt7915_sys_recovery_ops = {
205 .write = mt7915_sys_recovery_set,
206 .read = mt7915_sys_recovery_get,
207 .open = simple_open,
208 .llseek = default_llseek,
209 };
210
211 static int
mt7915_radar_trigger(void * data,u64 val)212 mt7915_radar_trigger(void *data, u64 val)
213 {
214 struct mt7915_dev *dev = data;
215
216 if (val > MT_RX_SEL2)
217 return -EINVAL;
218
219 return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_RADAR_EMULATE,
220 val, 0, 0);
221 }
222
223 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
224 mt7915_radar_trigger, "%lld\n");
225
226 static int
mt7915_muru_debug_set(void * data,u64 val)227 mt7915_muru_debug_set(void *data, u64 val)
228 {
229 struct mt7915_dev *dev = data;
230
231 dev->muru_debug = val;
232 mt7915_mcu_muru_debug_set(dev, dev->muru_debug);
233
234 return 0;
235 }
236
237 static int
mt7915_muru_debug_get(void * data,u64 * val)238 mt7915_muru_debug_get(void *data, u64 *val)
239 {
240 struct mt7915_dev *dev = data;
241
242 *val = dev->muru_debug;
243
244 return 0;
245 }
246
247 DEFINE_DEBUGFS_ATTRIBUTE(fops_muru_debug, mt7915_muru_debug_get,
248 mt7915_muru_debug_set, "%lld\n");
249
mt7915_muru_stats_show(struct seq_file * file,void * data)250 static int mt7915_muru_stats_show(struct seq_file *file, void *data)
251 {
252 struct mt7915_phy *phy = file->private;
253 struct mt7915_dev *dev = phy->dev;
254 static const char * const dl_non_he_type[] = {
255 "CCK", "OFDM", "HT MIX", "HT GF",
256 "VHT SU", "VHT 2MU", "VHT 3MU", "VHT 4MU"
257 };
258 static const char * const dl_he_type[] = {
259 "HE SU", "HE EXT", "HE 2MU", "HE 3MU", "HE 4MU",
260 "HE 2RU", "HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU",
261 "HE >16RU"
262 };
263 static const char * const ul_he_type[] = {
264 "HE 2MU", "HE 3MU", "HE 4MU", "HE SU", "HE 2RU",
265 "HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU", "HE >16RU"
266 };
267 int ret, i;
268 u64 total_ppdu_cnt, sub_total_cnt;
269
270 if (!dev->muru_debug) {
271 seq_puts(file, "Please enable muru_debug first.\n");
272 return 0;
273 }
274
275 mutex_lock(&dev->mt76.mutex);
276
277 ret = mt7915_mcu_muru_debug_get(phy);
278 if (ret)
279 goto exit;
280
281 /* Non-HE Downlink*/
282 seq_puts(file, "[Non-HE]\nDownlink\nData Type: ");
283
284 for (i = 0; i < 5; i++)
285 seq_printf(file, "%8s | ", dl_non_he_type[i]);
286
287 seq_puts(file, "\nTotal Count:");
288 seq_printf(file, "%8u | %8u | %8u | %8u | %8u | ",
289 phy->mib.dl_cck_cnt,
290 phy->mib.dl_ofdm_cnt,
291 phy->mib.dl_htmix_cnt,
292 phy->mib.dl_htgf_cnt,
293 phy->mib.dl_vht_su_cnt);
294
295 seq_puts(file, "\nDownlink MU-MIMO\nData Type: ");
296
297 for (i = 5; i < 8; i++)
298 seq_printf(file, "%8s | ", dl_non_he_type[i]);
299
300 seq_puts(file, "\nTotal Count:");
301 seq_printf(file, "%8u | %8u | %8u | ",
302 phy->mib.dl_vht_2mu_cnt,
303 phy->mib.dl_vht_3mu_cnt,
304 phy->mib.dl_vht_4mu_cnt);
305
306 sub_total_cnt = phy->mib.dl_vht_2mu_cnt +
307 phy->mib.dl_vht_3mu_cnt +
308 phy->mib.dl_vht_4mu_cnt;
309
310 seq_printf(file, "\nTotal non-HE MU-MIMO DL PPDU count: %lld",
311 sub_total_cnt);
312
313 total_ppdu_cnt = sub_total_cnt +
314 phy->mib.dl_cck_cnt +
315 phy->mib.dl_ofdm_cnt +
316 phy->mib.dl_htmix_cnt +
317 phy->mib.dl_htgf_cnt +
318 phy->mib.dl_vht_su_cnt;
319
320 seq_printf(file, "\nAll non-HE DL PPDU count: %lld", total_ppdu_cnt);
321
322 /* HE Downlink */
323 seq_puts(file, "\n\n[HE]\nDownlink\nData Type: ");
324
325 for (i = 0; i < 2; i++)
326 seq_printf(file, "%8s | ", dl_he_type[i]);
327
328 seq_puts(file, "\nTotal Count:");
329 seq_printf(file, "%8u | %8u | ",
330 phy->mib.dl_he_su_cnt, phy->mib.dl_he_ext_su_cnt);
331
332 seq_puts(file, "\nDownlink MU-MIMO\nData Type: ");
333
334 for (i = 2; i < 5; i++)
335 seq_printf(file, "%8s | ", dl_he_type[i]);
336
337 seq_puts(file, "\nTotal Count:");
338 seq_printf(file, "%8u | %8u | %8u | ",
339 phy->mib.dl_he_2mu_cnt, phy->mib.dl_he_3mu_cnt,
340 phy->mib.dl_he_4mu_cnt);
341
342 seq_puts(file, "\nDownlink OFDMA\nData Type: ");
343
344 for (i = 5; i < 11; i++)
345 seq_printf(file, "%8s | ", dl_he_type[i]);
346
347 seq_puts(file, "\nTotal Count:");
348 seq_printf(file, "%8u | %8u | %8u | %8u | %9u | %8u | ",
349 phy->mib.dl_he_2ru_cnt,
350 phy->mib.dl_he_3ru_cnt,
351 phy->mib.dl_he_4ru_cnt,
352 phy->mib.dl_he_5to8ru_cnt,
353 phy->mib.dl_he_9to16ru_cnt,
354 phy->mib.dl_he_gtr16ru_cnt);
355
356 sub_total_cnt = phy->mib.dl_he_2mu_cnt +
357 phy->mib.dl_he_3mu_cnt +
358 phy->mib.dl_he_4mu_cnt;
359 total_ppdu_cnt = sub_total_cnt;
360
361 seq_printf(file, "\nTotal HE MU-MIMO DL PPDU count: %lld",
362 sub_total_cnt);
363
364 sub_total_cnt = phy->mib.dl_he_2ru_cnt +
365 phy->mib.dl_he_3ru_cnt +
366 phy->mib.dl_he_4ru_cnt +
367 phy->mib.dl_he_5to8ru_cnt +
368 phy->mib.dl_he_9to16ru_cnt +
369 phy->mib.dl_he_gtr16ru_cnt;
370 total_ppdu_cnt += sub_total_cnt;
371
372 seq_printf(file, "\nTotal HE OFDMA DL PPDU count: %lld",
373 sub_total_cnt);
374
375 total_ppdu_cnt += phy->mib.dl_he_su_cnt + phy->mib.dl_he_ext_su_cnt;
376
377 seq_printf(file, "\nAll HE DL PPDU count: %lld", total_ppdu_cnt);
378
379 /* HE Uplink */
380 seq_puts(file, "\n\nUplink");
381 seq_puts(file, "\nTrigger-based Uplink MU-MIMO\nData Type: ");
382
383 for (i = 0; i < 3; i++)
384 seq_printf(file, "%8s | ", ul_he_type[i]);
385
386 seq_puts(file, "\nTotal Count:");
387 seq_printf(file, "%8u | %8u | %8u | ",
388 phy->mib.ul_hetrig_2mu_cnt,
389 phy->mib.ul_hetrig_3mu_cnt,
390 phy->mib.ul_hetrig_4mu_cnt);
391
392 seq_puts(file, "\nTrigger-based Uplink OFDMA\nData Type: ");
393
394 for (i = 3; i < 10; i++)
395 seq_printf(file, "%8s | ", ul_he_type[i]);
396
397 seq_puts(file, "\nTotal Count:");
398 seq_printf(file, "%8u | %8u | %8u | %8u | %8u | %9u | %7u | ",
399 phy->mib.ul_hetrig_su_cnt,
400 phy->mib.ul_hetrig_2ru_cnt,
401 phy->mib.ul_hetrig_3ru_cnt,
402 phy->mib.ul_hetrig_4ru_cnt,
403 phy->mib.ul_hetrig_5to8ru_cnt,
404 phy->mib.ul_hetrig_9to16ru_cnt,
405 phy->mib.ul_hetrig_gtr16ru_cnt);
406
407 sub_total_cnt = phy->mib.ul_hetrig_2mu_cnt +
408 phy->mib.ul_hetrig_3mu_cnt +
409 phy->mib.ul_hetrig_4mu_cnt;
410 total_ppdu_cnt = sub_total_cnt;
411
412 seq_printf(file, "\nTotal HE MU-MIMO UL TB PPDU count: %lld",
413 sub_total_cnt);
414
415 sub_total_cnt = phy->mib.ul_hetrig_2ru_cnt +
416 phy->mib.ul_hetrig_3ru_cnt +
417 phy->mib.ul_hetrig_4ru_cnt +
418 phy->mib.ul_hetrig_5to8ru_cnt +
419 phy->mib.ul_hetrig_9to16ru_cnt +
420 phy->mib.ul_hetrig_gtr16ru_cnt;
421 total_ppdu_cnt += sub_total_cnt;
422
423 seq_printf(file, "\nTotal HE OFDMA UL TB PPDU count: %lld",
424 sub_total_cnt);
425
426 total_ppdu_cnt += phy->mib.ul_hetrig_su_cnt;
427
428 seq_printf(file, "\nAll HE UL TB PPDU count: %lld\n", total_ppdu_cnt);
429
430 exit:
431 mutex_unlock(&dev->mt76.mutex);
432
433 return ret;
434 }
435 DEFINE_SHOW_ATTRIBUTE(mt7915_muru_stats);
436
437 static int
mt7915_rdd_monitor(struct seq_file * s,void * data)438 mt7915_rdd_monitor(struct seq_file *s, void *data)
439 {
440 struct mt7915_dev *dev = dev_get_drvdata(s->private);
441 struct cfg80211_chan_def *chandef = &dev->rdd2_chandef;
442 const char *bw;
443 int ret = 0;
444
445 mutex_lock(&dev->mt76.mutex);
446
447 if (!cfg80211_chandef_valid(chandef)) {
448 ret = -EINVAL;
449 goto out;
450 }
451
452 if (!dev->rdd2_phy) {
453 seq_puts(s, "not running\n");
454 goto out;
455 }
456
457 switch (chandef->width) {
458 case NL80211_CHAN_WIDTH_40:
459 bw = "40";
460 break;
461 case NL80211_CHAN_WIDTH_80:
462 bw = "80";
463 break;
464 case NL80211_CHAN_WIDTH_160:
465 bw = "160";
466 break;
467 case NL80211_CHAN_WIDTH_80P80:
468 bw = "80P80";
469 break;
470 default:
471 bw = "20";
472 break;
473 }
474
475 seq_printf(s, "channel %d (%d MHz) width %s MHz center1: %d MHz\n",
476 chandef->chan->hw_value, chandef->chan->center_freq,
477 bw, chandef->center_freq1);
478 out:
479 mutex_unlock(&dev->mt76.mutex);
480
481 return ret;
482 }
483
484 static int
mt7915_fw_debug_wm_set(void * data,u64 val)485 mt7915_fw_debug_wm_set(void *data, u64 val)
486 {
487 struct mt7915_dev *dev = data;
488 enum {
489 DEBUG_TXCMD = 62,
490 DEBUG_CMD_RPT_TX,
491 DEBUG_CMD_RPT_TRIG,
492 DEBUG_SPL,
493 DEBUG_RPT_RX,
494 } debug;
495 bool tx, rx, en;
496 int ret;
497
498 dev->fw.debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
499
500 if (dev->fw.debug_bin)
501 val = 16;
502 else
503 val = dev->fw.debug_wm;
504
505 tx = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(1));
506 rx = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(2));
507 en = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(0));
508
509 ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val);
510 if (ret)
511 goto out;
512
513 for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) {
514 if (debug == DEBUG_RPT_RX)
515 val = en && rx;
516 else
517 val = en && tx;
518
519 ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, val);
520 if (ret)
521 goto out;
522 }
523
524 /* WM CPU info record control */
525 mt76_clear(dev, MT_CPU_UTIL_CTRL, BIT(0));
526 mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) | !dev->fw.debug_wm);
527 mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR, BIT(5));
528 mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_SOFT_ADDR, BIT(5));
529
530 out:
531 if (ret)
532 dev->fw.debug_wm = 0;
533
534 return ret;
535 }
536
537 static int
mt7915_fw_debug_wm_get(void * data,u64 * val)538 mt7915_fw_debug_wm_get(void *data, u64 *val)
539 {
540 struct mt7915_dev *dev = data;
541
542 *val = dev->fw.debug_wm;
543
544 return 0;
545 }
546
547 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wm, mt7915_fw_debug_wm_get,
548 mt7915_fw_debug_wm_set, "%lld\n");
549
550 static int
mt7915_fw_debug_wa_set(void * data,u64 val)551 mt7915_fw_debug_wa_set(void *data, u64 val)
552 {
553 struct mt7915_dev *dev = data;
554 int ret;
555
556 dev->fw.debug_wa = val ? MCU_FW_LOG_TO_HOST : 0;
557
558 ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw.debug_wa);
559 if (ret)
560 goto out;
561
562 ret = mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
563 MCU_WA_PARAM_PDMA_RX, !!dev->fw.debug_wa, 0);
564 out:
565 if (ret)
566 dev->fw.debug_wa = 0;
567
568 return ret;
569 }
570
571 static int
mt7915_fw_debug_wa_get(void * data,u64 * val)572 mt7915_fw_debug_wa_get(void *data, u64 *val)
573 {
574 struct mt7915_dev *dev = data;
575
576 *val = dev->fw.debug_wa;
577
578 return 0;
579 }
580
581 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wa, mt7915_fw_debug_wa_get,
582 mt7915_fw_debug_wa_set, "%lld\n");
583
584 static struct dentry *
create_buf_file_cb(const char * filename,struct dentry * parent,umode_t mode,struct rchan_buf * buf,int * is_global)585 create_buf_file_cb(const char *filename, struct dentry *parent, umode_t mode,
586 struct rchan_buf *buf, int *is_global)
587 {
588 struct dentry *f;
589
590 f = debugfs_create_file("fwlog_data", mode, parent, buf,
591 &relay_file_operations);
592 if (IS_ERR(f))
593 return NULL;
594
595 *is_global = 1;
596
597 return f;
598 }
599
600 static int
remove_buf_file_cb(struct dentry * f)601 remove_buf_file_cb(struct dentry *f)
602 {
603 debugfs_remove(f);
604
605 return 0;
606 }
607
608 static int
mt7915_fw_debug_bin_set(void * data,u64 val)609 mt7915_fw_debug_bin_set(void *data, u64 val)
610 {
611 static struct rchan_callbacks relay_cb = {
612 .create_buf_file = create_buf_file_cb,
613 .remove_buf_file = remove_buf_file_cb,
614 };
615 struct mt7915_dev *dev = data;
616
617 if (!dev->relay_fwlog)
618 dev->relay_fwlog = relay_open("fwlog_data", dev->debugfs_dir,
619 1500, 512, &relay_cb, NULL);
620 if (!dev->relay_fwlog)
621 return -ENOMEM;
622
623 dev->fw.debug_bin = val;
624
625 relay_reset(dev->relay_fwlog);
626
627 return mt7915_fw_debug_wm_set(dev, dev->fw.debug_wm);
628 }
629
630 static int
mt7915_fw_debug_bin_get(void * data,u64 * val)631 mt7915_fw_debug_bin_get(void *data, u64 *val)
632 {
633 struct mt7915_dev *dev = data;
634
635 *val = dev->fw.debug_bin;
636
637 return 0;
638 }
639
640 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_bin, mt7915_fw_debug_bin_get,
641 mt7915_fw_debug_bin_set, "%lld\n");
642
643 static int
mt7915_fw_util_wm_show(struct seq_file * file,void * data)644 mt7915_fw_util_wm_show(struct seq_file *file, void *data)
645 {
646 struct mt7915_dev *dev = file->private;
647
648 seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WM_MCU_PC));
649
650 if (dev->fw.debug_wm) {
651 seq_printf(file, "Busy: %u%% Peak busy: %u%%\n",
652 mt76_rr(dev, MT_CPU_UTIL_BUSY_PCT),
653 mt76_rr(dev, MT_CPU_UTIL_PEAK_BUSY_PCT));
654 seq_printf(file, "Idle count: %u Peak idle count: %u\n",
655 mt76_rr(dev, MT_CPU_UTIL_IDLE_CNT),
656 mt76_rr(dev, MT_CPU_UTIL_PEAK_IDLE_CNT));
657 }
658
659 return 0;
660 }
661
662 DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wm);
663
664 static int
mt7915_fw_util_wa_show(struct seq_file * file,void * data)665 mt7915_fw_util_wa_show(struct seq_file *file, void *data)
666 {
667 struct mt7915_dev *dev = file->private;
668
669 seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WA_MCU_PC));
670
671 if (dev->fw.debug_wa)
672 return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(QUERY),
673 MCU_WA_PARAM_CPU_UTIL, 0, 0);
674
675 return 0;
676 }
677
678 DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wa);
679
680 static void
mt7915_ampdu_stat_read_phy(struct mt7915_phy * phy,struct seq_file * file)681 mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
682 struct seq_file *file)
683 {
684 struct mt7915_dev *dev = phy->dev;
685 bool ext_phy = phy != &dev->phy;
686 int bound[15], range[4], i;
687 u8 band = phy->mt76->band_idx;
688
689 /* Tx ampdu stat */
690 for (i = 0; i < ARRAY_SIZE(range); i++)
691 range[i] = mt76_rr(dev, MT_MIB_ARNG(band, i));
692
693 for (i = 0; i < ARRAY_SIZE(bound); i++)
694 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1;
695
696 seq_printf(file, "\nPhy %d, Phy band %d\n", ext_phy, band);
697
698 seq_printf(file, "Length: %8d | ", bound[0]);
699 for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
700 seq_printf(file, "%3d -%3d | ",
701 bound[i] + 1, bound[i + 1]);
702
703 seq_puts(file, "\nCount: ");
704 for (i = 0; i < ARRAY_SIZE(bound); i++)
705 seq_printf(file, "%8d | ", phy->mt76->aggr_stats[i]);
706 seq_puts(file, "\n");
707
708 seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
709 }
710
711 static void
mt7915_txbf_stat_read_phy(struct mt7915_phy * phy,struct seq_file * s)712 mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
713 {
714 struct mt76_mib_stats *mib = &phy->mib;
715 static const char * const bw[] = {
716 "BW20", "BW40", "BW80", "BW160"
717 };
718
719 /* Tx Beamformer monitor */
720 seq_puts(s, "\nTx Beamformer applied PPDU counts: ");
721
722 seq_printf(s, "iBF: %d, eBF: %d\n",
723 mib->tx_bf_ibf_ppdu_cnt,
724 mib->tx_bf_ebf_ppdu_cnt);
725
726 /* Tx Beamformer Rx feedback monitor */
727 seq_puts(s, "Tx Beamformer Rx feedback statistics: ");
728
729 seq_printf(s, "All: %d, HE: %d, VHT: %d, HT: %d, ",
730 mib->tx_bf_rx_fb_all_cnt,
731 mib->tx_bf_rx_fb_he_cnt,
732 mib->tx_bf_rx_fb_vht_cnt,
733 mib->tx_bf_rx_fb_ht_cnt);
734
735 seq_printf(s, "%s, NC: %d, NR: %d\n",
736 bw[mib->tx_bf_rx_fb_bw],
737 mib->tx_bf_rx_fb_nc_cnt,
738 mib->tx_bf_rx_fb_nr_cnt);
739
740 /* Tx Beamformee Rx NDPA & Tx feedback report */
741 seq_printf(s, "Tx Beamformee successful feedback frames: %d\n",
742 mib->tx_bf_fb_cpl_cnt);
743 seq_printf(s, "Tx Beamformee feedback triggered counts: %d\n",
744 mib->tx_bf_fb_trig_cnt);
745
746 /* Tx SU & MU counters */
747 seq_printf(s, "Tx multi-user Beamforming counts: %d\n",
748 mib->tx_bf_cnt);
749 seq_printf(s, "Tx multi-user MPDU counts: %d\n", mib->tx_mu_mpdu_cnt);
750 seq_printf(s, "Tx multi-user successful MPDU counts: %d\n",
751 mib->tx_mu_acked_mpdu_cnt);
752 seq_printf(s, "Tx single-user successful MPDU counts: %d\n",
753 mib->tx_su_acked_mpdu_cnt);
754
755 seq_puts(s, "\n");
756 }
757
758 static int
mt7915_tx_stats_show(struct seq_file * file,void * data)759 mt7915_tx_stats_show(struct seq_file *file, void *data)
760 {
761 struct mt7915_phy *phy = file->private;
762 struct mt7915_dev *dev = phy->dev;
763 struct mt76_mib_stats *mib = &phy->mib;
764 int i;
765
766 mutex_lock(&dev->mt76.mutex);
767
768 mt7915_ampdu_stat_read_phy(phy, file);
769 mt7915_mac_update_stats(phy);
770 mt7915_txbf_stat_read_phy(phy, file);
771
772 /* Tx amsdu info */
773 seq_puts(file, "Tx MSDU statistics:\n");
774 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) {
775 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ",
776 i + 1, mib->tx_amsdu[i]);
777 if (mib->tx_amsdu_cnt)
778 seq_printf(file, "(%3d%%)\n",
779 mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt);
780 else
781 seq_puts(file, "\n");
782 }
783
784 mutex_unlock(&dev->mt76.mutex);
785
786 return 0;
787 }
788
789 DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats);
790
791 static void
mt7915_hw_queue_read(struct seq_file * s,u32 size,const struct hw_queue_map * map)792 mt7915_hw_queue_read(struct seq_file *s, u32 size,
793 const struct hw_queue_map *map)
794 {
795 struct mt7915_phy *phy = s->private;
796 struct mt7915_dev *dev = phy->dev;
797 u32 i, val;
798
799 val = mt76_rr(dev, MT_FL_Q_EMPTY);
800 for (i = 0; i < size; i++) {
801 u32 ctrl, head, tail, queued;
802
803 if (val & BIT(map[i].index))
804 continue;
805
806 ctrl = BIT(31) | (map[i].pid << 10) | ((u32)map[i].qid << 24);
807 mt76_wr(dev, MT_FL_Q0_CTRL, ctrl);
808
809 head = mt76_get_field(dev, MT_FL_Q2_CTRL,
810 GENMASK(11, 0));
811 tail = mt76_get_field(dev, MT_FL_Q2_CTRL,
812 GENMASK(27, 16));
813 queued = mt76_get_field(dev, MT_FL_Q3_CTRL,
814 GENMASK(11, 0));
815
816 seq_printf(s, "\t%s: ", map[i].name);
817 seq_printf(s, "queued:0x%03x head:0x%03x tail:0x%03x\n",
818 queued, head, tail);
819 }
820 }
821
822 static void
mt7915_sta_hw_queue_read(void * data,struct ieee80211_sta * sta)823 mt7915_sta_hw_queue_read(void *data, struct ieee80211_sta *sta)
824 {
825 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
826 struct mt7915_dev *dev = msta->vif->phy->dev;
827 struct seq_file *s = data;
828 u8 ac;
829
830 for (ac = 0; ac < 4; ac++) {
831 u32 qlen, ctrl, val;
832 u32 idx = msta->wcid.idx >> 5;
833 u8 offs = msta->wcid.idx & GENMASK(4, 0);
834
835 ctrl = BIT(31) | BIT(11) | (ac << 24);
836 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(ac, idx));
837
838 if (val & BIT(offs))
839 continue;
840
841 mt76_wr(dev, MT_FL_Q0_CTRL, ctrl | msta->wcid.idx);
842 qlen = mt76_get_field(dev, MT_FL_Q3_CTRL,
843 GENMASK(11, 0));
844 seq_printf(s, "\tSTA %pM wcid %d: AC%d%d queued:%d\n",
845 sta->addr, msta->wcid.idx,
846 msta->vif->mt76.wmm_idx, ac, qlen);
847 }
848 }
849
850 static int
mt7915_hw_queues_show(struct seq_file * file,void * data)851 mt7915_hw_queues_show(struct seq_file *file, void *data)
852 {
853 struct mt7915_phy *phy = file->private;
854 struct mt7915_dev *dev = phy->dev;
855 static const struct hw_queue_map ple_queue_map[] = {
856 { "CPU_Q0", 0, 1, MT_CTX0 },
857 { "CPU_Q1", 1, 1, MT_CTX0 + 1 },
858 { "CPU_Q2", 2, 1, MT_CTX0 + 2 },
859 { "CPU_Q3", 3, 1, MT_CTX0 + 3 },
860 { "ALTX_Q0", 8, 2, MT_LMAC_ALTX0 },
861 { "BMC_Q0", 9, 2, MT_LMAC_BMC0 },
862 { "BCN_Q0", 10, 2, MT_LMAC_BCN0 },
863 { "PSMP_Q0", 11, 2, MT_LMAC_PSMP0 },
864 { "ALTX_Q1", 12, 2, MT_LMAC_ALTX0 + 4 },
865 { "BMC_Q1", 13, 2, MT_LMAC_BMC0 + 4 },
866 { "BCN_Q1", 14, 2, MT_LMAC_BCN0 + 4 },
867 { "PSMP_Q1", 15, 2, MT_LMAC_PSMP0 + 4 },
868 };
869 static const struct hw_queue_map pse_queue_map[] = {
870 { "CPU Q0", 0, 1, MT_CTX0 },
871 { "CPU Q1", 1, 1, MT_CTX0 + 1 },
872 { "CPU Q2", 2, 1, MT_CTX0 + 2 },
873 { "CPU Q3", 3, 1, MT_CTX0 + 3 },
874 { "HIF_Q0", 8, 0, MT_HIF0 },
875 { "HIF_Q1", 9, 0, MT_HIF0 + 1 },
876 { "HIF_Q2", 10, 0, MT_HIF0 + 2 },
877 { "HIF_Q3", 11, 0, MT_HIF0 + 3 },
878 { "HIF_Q4", 12, 0, MT_HIF0 + 4 },
879 { "HIF_Q5", 13, 0, MT_HIF0 + 5 },
880 { "LMAC_Q", 16, 2, 0 },
881 { "MDP_TXQ", 17, 2, 1 },
882 { "MDP_RXQ", 18, 2, 2 },
883 { "SEC_TXQ", 19, 2, 3 },
884 { "SEC_RXQ", 20, 2, 4 },
885 };
886 u32 val, head, tail;
887
888 /* ple queue */
889 val = mt76_rr(dev, MT_PLE_FREEPG_CNT);
890 head = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(11, 0));
891 tail = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(27, 16));
892 seq_puts(file, "PLE page info:\n");
893 seq_printf(file,
894 "\tTotal free page: 0x%08x head: 0x%03x tail: 0x%03x\n",
895 val, head, tail);
896
897 val = mt76_rr(dev, MT_PLE_PG_HIF_GROUP);
898 head = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(11, 0));
899 tail = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(27, 16));
900 seq_printf(file, "\tHIF free page: 0x%03x res: 0x%03x used: 0x%03x\n",
901 val, head, tail);
902
903 seq_puts(file, "PLE non-empty queue info:\n");
904 mt7915_hw_queue_read(file, ARRAY_SIZE(ple_queue_map),
905 &ple_queue_map[0]);
906
907 /* iterate per-sta ple queue */
908 ieee80211_iterate_stations_atomic(phy->mt76->hw,
909 mt7915_sta_hw_queue_read, file);
910 /* pse queue */
911 seq_puts(file, "PSE non-empty queue info:\n");
912 mt7915_hw_queue_read(file, ARRAY_SIZE(pse_queue_map),
913 &pse_queue_map[0]);
914
915 return 0;
916 }
917
918 DEFINE_SHOW_ATTRIBUTE(mt7915_hw_queues);
919
920 static int
mt7915_xmit_queues_show(struct seq_file * file,void * data)921 mt7915_xmit_queues_show(struct seq_file *file, void *data)
922 {
923 struct mt7915_phy *phy = file->private;
924 struct mt7915_dev *dev = phy->dev;
925 struct {
926 struct mt76_queue *q;
927 char *queue;
928 } queue_map[] = {
929 { phy->mt76->q_tx[MT_TXQ_BE], " MAIN" },
930 { dev->mt76.q_mcu[MT_MCUQ_WM], " MCUWM" },
931 { dev->mt76.q_mcu[MT_MCUQ_WA], " MCUWA" },
932 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWDL" },
933 };
934 int i;
935
936 seq_puts(file, " queue | hw-queued | head | tail |\n");
937 for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
938 struct mt76_queue *q = queue_map[i].q;
939
940 if (!q)
941 continue;
942
943 seq_printf(file, " %s | %9d | %9d | %9d |\n",
944 queue_map[i].queue, q->queued, q->head,
945 q->tail);
946 }
947
948 return 0;
949 }
950
951 DEFINE_SHOW_ATTRIBUTE(mt7915_xmit_queues);
952
953 #define mt7915_txpower_puts(rate) \
954 ({ \
955 len += scnprintf(buf + len, sz - len, "%-16s:", #rate " (TMAC)"); \
956 for (i = 0; i < mt7915_sku_group_len[SKU_##rate]; i++, offs++) \
957 len += scnprintf(buf + len, sz - len, " %6d", txpwr[offs]); \
958 len += scnprintf(buf + len, sz - len, "\n"); \
959 })
960
961 #define mt7915_txpower_sets(rate, pwr, flag) \
962 ({ \
963 offs += len; \
964 len = mt7915_sku_group_len[rate]; \
965 if (mode == flag) { \
966 for (i = 0; i < len; i++) \
967 req.txpower_sku[offs + i] = pwr; \
968 } \
969 })
970
971 static ssize_t
mt7915_rate_txpower_get(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)972 mt7915_rate_txpower_get(struct file *file, char __user *user_buf,
973 size_t count, loff_t *ppos)
974 {
975 struct mt7915_phy *phy = file->private_data;
976 struct mt7915_dev *dev = phy->dev;
977 s8 txpwr[MT7915_SKU_RATE_NUM];
978 static const size_t sz = 2048;
979 u8 band = phy->mt76->band_idx;
980 int i, offs = 0, len = 0;
981 ssize_t ret;
982 char *buf;
983 u32 reg;
984
985 buf = kzalloc(sz, GFP_KERNEL);
986 if (!buf)
987 return -ENOMEM;
988
989 ret = mt7915_mcu_get_txpower_sku(phy, txpwr, sizeof(txpwr));
990 if (ret)
991 goto out;
992
993 /* Txpower propagation path: TMAC -> TXV -> BBP */
994 len += scnprintf(buf + len, sz - len,
995 "\nPhy%d Tx power table (channel %d)\n",
996 phy != &dev->phy, phy->mt76->chandef.chan->hw_value);
997 len += scnprintf(buf + len, sz - len, "%-16s %6s %6s %6s %6s\n",
998 " ", "1m", "2m", "5m", "11m");
999 mt7915_txpower_puts(CCK);
1000
1001 len += scnprintf(buf + len, sz - len,
1002 "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n",
1003 " ", "6m", "9m", "12m", "18m", "24m", "36m", "48m",
1004 "54m");
1005 mt7915_txpower_puts(OFDM);
1006
1007 len += scnprintf(buf + len, sz - len,
1008 "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n",
1009 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4",
1010 "mcs5", "mcs6", "mcs7");
1011 mt7915_txpower_puts(HT_BW20);
1012
1013 len += scnprintf(buf + len, sz - len,
1014 "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
1015 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
1016 "mcs6", "mcs7", "mcs32");
1017 mt7915_txpower_puts(HT_BW40);
1018
1019 len += scnprintf(buf + len, sz - len,
1020 "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
1021 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
1022 "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11");
1023 mt7915_txpower_puts(VHT_BW20);
1024 mt7915_txpower_puts(VHT_BW40);
1025 mt7915_txpower_puts(VHT_BW80);
1026 mt7915_txpower_puts(VHT_BW160);
1027 mt7915_txpower_puts(HE_RU26);
1028 mt7915_txpower_puts(HE_RU52);
1029 mt7915_txpower_puts(HE_RU106);
1030 mt7915_txpower_puts(HE_RU242);
1031 mt7915_txpower_puts(HE_RU484);
1032 mt7915_txpower_puts(HE_RU996);
1033 mt7915_txpower_puts(HE_RU2x996);
1034
1035 reg = is_mt7915(&dev->mt76) ? MT_WF_PHY_TPC_CTRL_STAT(band) :
1036 MT_WF_PHY_TPC_CTRL_STAT_MT7916(band);
1037
1038 len += scnprintf(buf + len, sz - len, "\nTx power (bbp) : %6ld\n",
1039 mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER));
1040
1041 ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1042
1043 out:
1044 kfree(buf);
1045 return ret;
1046 }
1047
1048 static ssize_t
mt7915_rate_txpower_set(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)1049 mt7915_rate_txpower_set(struct file *file, const char __user *user_buf,
1050 size_t count, loff_t *ppos)
1051 {
1052 int i, ret, pwr, pwr160 = 0, pwr80 = 0, pwr40 = 0, pwr20 = 0;
1053 struct mt7915_phy *phy = file->private_data;
1054 struct mt7915_dev *dev = phy->dev;
1055 struct mt76_phy *mphy = phy->mt76;
1056 struct mt7915_mcu_txpower_sku req = {
1057 .format_id = TX_POWER_LIMIT_TABLE,
1058 .band_idx = phy->mt76->band_idx,
1059 };
1060 char buf[100];
1061 enum mac80211_rx_encoding mode;
1062 u32 offs = 0, len = 0;
1063
1064 if (count >= sizeof(buf))
1065 return -EINVAL;
1066
1067 if (copy_from_user(buf, user_buf, count))
1068 return -EFAULT;
1069
1070 if (count && buf[count - 1] == '\n')
1071 buf[count - 1] = '\0';
1072 else
1073 buf[count] = '\0';
1074
1075 if (sscanf(buf, "%u %u %u %u %u",
1076 &mode, &pwr160, &pwr80, &pwr40, &pwr20) != 5) {
1077 dev_warn(dev->mt76.dev,
1078 "per bandwidth power limit: Mode BW160 BW80 BW40 BW20");
1079 return -EINVAL;
1080 }
1081
1082 if (mode > RX_ENC_HE)
1083 return -EINVAL;
1084
1085 if (pwr160)
1086 pwr160 = mt7915_get_power_bound(phy, pwr160);
1087 if (pwr80)
1088 pwr80 = mt7915_get_power_bound(phy, pwr80);
1089 if (pwr40)
1090 pwr40 = mt7915_get_power_bound(phy, pwr40);
1091 if (pwr20)
1092 pwr20 = mt7915_get_power_bound(phy, pwr20);
1093
1094 if (pwr160 < 0 || pwr80 < 0 || pwr40 < 0 || pwr20 < 0)
1095 return -EINVAL;
1096
1097 mutex_lock(&dev->mt76.mutex);
1098 ret = mt7915_mcu_get_txpower_sku(phy, req.txpower_sku,
1099 sizeof(req.txpower_sku));
1100 if (ret)
1101 goto out;
1102
1103 mt7915_txpower_sets(SKU_CCK, pwr20, RX_ENC_LEGACY);
1104 mt7915_txpower_sets(SKU_OFDM, pwr20, RX_ENC_LEGACY);
1105 if (mode == RX_ENC_LEGACY)
1106 goto skip;
1107
1108 mt7915_txpower_sets(SKU_HT_BW20, pwr20, RX_ENC_HT);
1109 mt7915_txpower_sets(SKU_HT_BW40, pwr40, RX_ENC_HT);
1110 if (mode == RX_ENC_HT)
1111 goto skip;
1112
1113 mt7915_txpower_sets(SKU_VHT_BW20, pwr20, RX_ENC_VHT);
1114 mt7915_txpower_sets(SKU_VHT_BW40, pwr40, RX_ENC_VHT);
1115 mt7915_txpower_sets(SKU_VHT_BW80, pwr80, RX_ENC_VHT);
1116 mt7915_txpower_sets(SKU_VHT_BW160, pwr160, RX_ENC_VHT);
1117 if (mode == RX_ENC_VHT)
1118 goto skip;
1119
1120 mt7915_txpower_sets(SKU_HE_RU26, pwr20, RX_ENC_HE + 1);
1121 mt7915_txpower_sets(SKU_HE_RU52, pwr20, RX_ENC_HE + 1);
1122 mt7915_txpower_sets(SKU_HE_RU106, pwr20, RX_ENC_HE + 1);
1123 mt7915_txpower_sets(SKU_HE_RU242, pwr20, RX_ENC_HE);
1124 mt7915_txpower_sets(SKU_HE_RU484, pwr40, RX_ENC_HE);
1125 mt7915_txpower_sets(SKU_HE_RU996, pwr80, RX_ENC_HE);
1126 mt7915_txpower_sets(SKU_HE_RU2x996, pwr160, RX_ENC_HE);
1127 skip:
1128 ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
1129 &req, sizeof(req), true);
1130 if (ret)
1131 goto out;
1132
1133 pwr = max3(pwr80, pwr40, pwr20);
1134 mphy->txpower_cur = max3(mphy->txpower_cur, pwr160, pwr);
1135 out:
1136 mutex_unlock(&dev->mt76.mutex);
1137
1138 return ret ? ret : count;
1139 }
1140
1141 static const struct file_operations mt7915_rate_txpower_fops = {
1142 .write = mt7915_rate_txpower_set,
1143 .read = mt7915_rate_txpower_get,
1144 .open = simple_open,
1145 .owner = THIS_MODULE,
1146 .llseek = default_llseek,
1147 };
1148
1149 static int
mt7915_twt_stats(struct seq_file * s,void * data)1150 mt7915_twt_stats(struct seq_file *s, void *data)
1151 {
1152 struct mt7915_dev *dev = dev_get_drvdata(s->private);
1153 struct mt7915_twt_flow *iter;
1154
1155 rcu_read_lock();
1156
1157 seq_puts(s, " wcid | id | flags | exp | mantissa");
1158 seq_puts(s, " | duration | tsf |\n");
1159 list_for_each_entry_rcu(iter, &dev->twt_list, list)
1160 seq_printf(s,
1161 "%9d | %8d | %5c%c%c%c | %8d | %8d | %8d | %14lld |\n",
1162 iter->wcid, iter->id,
1163 iter->sched ? 's' : 'u',
1164 iter->protection ? 'p' : '-',
1165 iter->trigger ? 't' : '-',
1166 iter->flowtype ? '-' : 'a',
1167 iter->exp, iter->mantissa,
1168 iter->duration, iter->tsf);
1169
1170 rcu_read_unlock();
1171
1172 return 0;
1173 }
1174
1175 /* The index of RF registers use the generic regidx, combined with two parts:
1176 * WF selection [31:24] and offset [23:0].
1177 */
1178 static int
mt7915_rf_regval_get(void * data,u64 * val)1179 mt7915_rf_regval_get(void *data, u64 *val)
1180 {
1181 struct mt7915_dev *dev = data;
1182 u32 regval;
1183 int ret;
1184
1185 ret = mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, ®val, false);
1186 if (ret)
1187 return ret;
1188
1189 *val = regval;
1190
1191 return 0;
1192 }
1193
1194 static int
mt7915_rf_regval_set(void * data,u64 val)1195 mt7915_rf_regval_set(void *data, u64 val)
1196 {
1197 struct mt7915_dev *dev = data;
1198 u32 val32 = val;
1199
1200 return mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &val32, true);
1201 }
1202
1203 DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7915_rf_regval_get,
1204 mt7915_rf_regval_set, "0x%08llx\n");
1205
mt7915_init_debugfs(struct mt7915_phy * phy)1206 int mt7915_init_debugfs(struct mt7915_phy *phy)
1207 {
1208 struct mt7915_dev *dev = phy->dev;
1209 bool ext_phy = phy != &dev->phy;
1210 struct dentry *dir;
1211
1212 dir = mt76_register_debugfs_fops(phy->mt76, NULL);
1213 if (!dir)
1214 return -ENOMEM;
1215 debugfs_create_file("muru_debug", 0600, dir, dev, &fops_muru_debug);
1216 debugfs_create_file("muru_stats", 0400, dir, phy,
1217 &mt7915_muru_stats_fops);
1218 debugfs_create_file("hw-queues", 0400, dir, phy,
1219 &mt7915_hw_queues_fops);
1220 debugfs_create_file("xmit-queues", 0400, dir, phy,
1221 &mt7915_xmit_queues_fops);
1222 debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_tx_stats_fops);
1223 debugfs_create_file("sys_recovery", 0600, dir, phy,
1224 &mt7915_sys_recovery_ops);
1225 debugfs_create_file("fw_debug_wm", 0600, dir, dev, &fops_fw_debug_wm);
1226 debugfs_create_file("fw_debug_wa", 0600, dir, dev, &fops_fw_debug_wa);
1227 debugfs_create_file("fw_debug_bin", 0600, dir, dev, &fops_fw_debug_bin);
1228 debugfs_create_file("fw_util_wm", 0400, dir, dev,
1229 &mt7915_fw_util_wm_fops);
1230 debugfs_create_file("fw_util_wa", 0400, dir, dev,
1231 &mt7915_fw_util_wa_fops);
1232 debugfs_create_file("implicit_txbf", 0600, dir, dev,
1233 &fops_implicit_txbf);
1234 debugfs_create_file("txpower_sku", 0400, dir, phy,
1235 &mt7915_rate_txpower_fops);
1236 debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
1237 mt7915_twt_stats);
1238 debugfs_create_file("rf_regval", 0600, dir, dev, &fops_rf_regval);
1239
1240 if (!dev->dbdc_support || phy->mt76->band_idx) {
1241 debugfs_create_u32("dfs_hw_pattern", 0400, dir,
1242 &dev->hw_pattern);
1243 debugfs_create_file("radar_trigger", 0200, dir, dev,
1244 &fops_radar_trigger);
1245 debugfs_create_devm_seqfile(dev->mt76.dev, "rdd_monitor", dir,
1246 mt7915_rdd_monitor);
1247 }
1248
1249 if (!ext_phy)
1250 dev->debugfs_dir = dir;
1251
1252 return 0;
1253 }
1254
1255 static void
mt7915_debugfs_write_fwlog(struct mt7915_dev * dev,const void * hdr,int hdrlen,const void * data,int len)1256 mt7915_debugfs_write_fwlog(struct mt7915_dev *dev, const void *hdr, int hdrlen,
1257 const void *data, int len)
1258 {
1259 static DEFINE_SPINLOCK(lock);
1260 unsigned long flags;
1261 void *dest;
1262
1263 spin_lock_irqsave(&lock, flags);
1264 dest = relay_reserve(dev->relay_fwlog, hdrlen + len + 4);
1265 if (dest) {
1266 *(u32 *)dest = hdrlen + len;
1267 dest += 4;
1268
1269 if (hdrlen) {
1270 memcpy(dest, hdr, hdrlen);
1271 dest += hdrlen;
1272 }
1273
1274 memcpy(dest, data, len);
1275 relay_flush(dev->relay_fwlog);
1276 }
1277 spin_unlock_irqrestore(&lock, flags);
1278 }
1279
mt7915_debugfs_rx_fw_monitor(struct mt7915_dev * dev,const void * data,int len)1280 void mt7915_debugfs_rx_fw_monitor(struct mt7915_dev *dev, const void *data, int len)
1281 {
1282 struct {
1283 __le32 magic;
1284 __le32 timestamp;
1285 __le16 msg_type;
1286 __le16 len;
1287 } hdr = {
1288 .magic = cpu_to_le32(FW_BIN_LOG_MAGIC),
1289 .msg_type = cpu_to_le16(PKT_TYPE_RX_FW_MONITOR),
1290 };
1291
1292 if (!dev->relay_fwlog)
1293 return;
1294
1295 hdr.timestamp = cpu_to_le32(mt76_rr(dev, MT_LPON_FRCR(0)));
1296 hdr.len = *(__le16 *)data;
1297 mt7915_debugfs_write_fwlog(dev, &hdr, sizeof(hdr), data, len);
1298 }
1299
mt7915_debugfs_rx_log(struct mt7915_dev * dev,const void * data,int len)1300 bool mt7915_debugfs_rx_log(struct mt7915_dev *dev, const void *data, int len)
1301 {
1302 if (get_unaligned_le32(data) != FW_BIN_LOG_MAGIC)
1303 return false;
1304
1305 if (dev->relay_fwlog)
1306 mt7915_debugfs_write_fwlog(dev, NULL, 0, data, len);
1307
1308 return true;
1309 }
1310
1311 #ifdef CONFIG_MAC80211_DEBUGFS
1312 /** per-station debugfs **/
1313
mt7915_sta_fixed_rate_set(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)1314 static ssize_t mt7915_sta_fixed_rate_set(struct file *file,
1315 const char __user *user_buf,
1316 size_t count, loff_t *ppos)
1317 {
1318 struct ieee80211_sta *sta = file->private_data;
1319 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1320 struct mt7915_dev *dev = msta->vif->phy->dev;
1321 struct ieee80211_vif *vif;
1322 struct sta_phy phy = {};
1323 char buf[100];
1324 int ret;
1325 u32 field;
1326 u8 i, gi, he_ltf;
1327
1328 if (count >= sizeof(buf))
1329 return -EINVAL;
1330
1331 if (copy_from_user(buf, user_buf, count))
1332 return -EFAULT;
1333
1334 if (count && buf[count - 1] == '\n')
1335 buf[count - 1] = '\0';
1336 else
1337 buf[count] = '\0';
1338
1339 /* mode - cck: 0, ofdm: 1, ht: 2, gf: 3, vht: 4, he_su: 8, he_er: 9
1340 * bw - bw20: 0, bw40: 1, bw80: 2, bw160: 3
1341 * nss - vht: 1~4, he: 1~4, others: ignore
1342 * mcs - cck: 0~4, ofdm: 0~7, ht: 0~32, vht: 0~9, he_su: 0~11, he_er: 0~2
1343 * gi - (ht/vht) lgi: 0, sgi: 1; (he) 0.8us: 0, 1.6us: 1, 3.2us: 2
1344 * ldpc - off: 0, on: 1
1345 * stbc - off: 0, on: 1
1346 * he_ltf - 1xltf: 0, 2xltf: 1, 4xltf: 2
1347 */
1348 if (sscanf(buf, "%hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu",
1349 &phy.type, &phy.bw, &phy.nss, &phy.mcs, &gi,
1350 &phy.ldpc, &phy.stbc, &he_ltf) != 8) {
1351 dev_warn(dev->mt76.dev,
1352 "format: Mode BW NSS MCS (HE)GI LDPC STBC HE_LTF\n");
1353 field = RATE_PARAM_AUTO;
1354 goto out;
1355 }
1356
1357 phy.ldpc = (phy.bw || phy.ldpc) * GENMASK(2, 0);
1358 for (i = 0; i <= phy.bw; i++) {
1359 phy.sgi |= gi << (i << sta->deflink.he_cap.has_he);
1360 phy.he_ltf |= he_ltf << (i << sta->deflink.he_cap.has_he);
1361 }
1362 field = RATE_PARAM_FIXED;
1363
1364 out:
1365 vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
1366 ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, field);
1367 if (ret)
1368 return -EFAULT;
1369
1370 return count;
1371 }
1372
1373 static const struct file_operations fops_fixed_rate = {
1374 .write = mt7915_sta_fixed_rate_set,
1375 .open = simple_open,
1376 .owner = THIS_MODULE,
1377 .llseek = default_llseek,
1378 };
1379
1380 static int
mt7915_queues_show(struct seq_file * s,void * data)1381 mt7915_queues_show(struct seq_file *s, void *data)
1382 {
1383 struct ieee80211_sta *sta = s->private;
1384
1385 mt7915_sta_hw_queue_read(s, sta);
1386
1387 return 0;
1388 }
1389
1390 DEFINE_SHOW_ATTRIBUTE(mt7915_queues);
1391
mt7915_sta_add_debugfs(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct dentry * dir)1392 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1393 struct ieee80211_sta *sta, struct dentry *dir)
1394 {
1395 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate);
1396 debugfs_create_file("hw-queues", 0400, dir, sta, &mt7915_queues_fops);
1397 }
1398
1399 #endif
1400