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64#include <linux/vmalloc.h>
65#include <linux/ieee80211.h>
66#include <linux/netdevice.h>
67
68#include "mvm.h"
69#include "sta.h"
70#include "iwl-io.h"
71#include "debugfs.h"
72#include "iwl-modparams.h"
73#include "fw/error-dump.h"
74
75static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
76 char __user *user_buf,
77 size_t count, loff_t *ppos)
78{
79 struct iwl_mvm *mvm = file->private_data;
80 char buf[16];
81 int pos, budget;
82
83 if (!iwl_mvm_is_ctdp_supported(mvm))
84 return -EOPNOTSUPP;
85
86 if (!iwl_mvm_firmware_running(mvm) ||
87 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
88 return -EIO;
89
90 mutex_lock(&mvm->mutex);
91 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
92 mutex_unlock(&mvm->mutex);
93
94 if (budget < 0)
95 return budget;
96
97 pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
98
99 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
100}
101
102static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
103 size_t count, loff_t *ppos)
104{
105 int ret;
106
107 if (!iwl_mvm_is_ctdp_supported(mvm))
108 return -EOPNOTSUPP;
109
110 if (!iwl_mvm_firmware_running(mvm) ||
111 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
112 return -EIO;
113
114 mutex_lock(&mvm->mutex);
115 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
116 mutex_unlock(&mvm->mutex);
117
118 return ret ?: count;
119}
120
121static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
122 size_t count, loff_t *ppos)
123{
124 if (!iwl_mvm_firmware_running(mvm) ||
125 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
126 return -EIO;
127
128 iwl_mvm_enter_ctkill(mvm);
129
130 return count;
131}
132
133static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
134 size_t count, loff_t *ppos)
135{
136 int ret;
137 u32 flush_arg;
138
139 if (!iwl_mvm_firmware_running(mvm) ||
140 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
141 return -EIO;
142
143 if (kstrtou32(buf, 0, &flush_arg))
144 return -EINVAL;
145
146 if (iwl_mvm_has_new_tx_api(mvm)) {
147 IWL_DEBUG_TX_QUEUES(mvm,
148 "FLUSHING all tids queues on sta_id = %d\n",
149 flush_arg);
150 mutex_lock(&mvm->mutex);
151 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF, 0)
152 ? : count;
153 mutex_unlock(&mvm->mutex);
154 return ret;
155 }
156
157 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
158 flush_arg);
159
160 mutex_lock(&mvm->mutex);
161 ret = iwl_mvm_flush_tx_path(mvm, flush_arg, 0) ? : count;
162 mutex_unlock(&mvm->mutex);
163
164 return ret;
165}
166
167static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
168 size_t count, loff_t *ppos)
169{
170 struct iwl_mvm_sta *mvmsta;
171 int sta_id, drain, ret;
172
173 if (!iwl_mvm_firmware_running(mvm) ||
174 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
175 return -EIO;
176
177 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
178 return -EINVAL;
179 if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
180 return -EINVAL;
181 if (drain < 0 || drain > 1)
182 return -EINVAL;
183
184 mutex_lock(&mvm->mutex);
185
186 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
187
188 if (!mvmsta)
189 ret = -ENOENT;
190 else
191 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
192
193 mutex_unlock(&mvm->mutex);
194
195 return ret;
196}
197
198static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
199 size_t count, loff_t *ppos)
200{
201 struct iwl_mvm *mvm = file->private_data;
202 const struct fw_img *img;
203 unsigned int ofs, len;
204 size_t ret;
205 u8 *ptr;
206
207 if (!iwl_mvm_firmware_running(mvm))
208 return -EINVAL;
209
210
211 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
212 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
213 len = img->sec[IWL_UCODE_SECTION_DATA].len;
214
215 if (mvm->dbgfs_sram_len) {
216 ofs = mvm->dbgfs_sram_offset;
217 len = mvm->dbgfs_sram_len;
218 }
219
220 ptr = kzalloc(len, GFP_KERNEL);
221 if (!ptr)
222 return -ENOMEM;
223
224 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
225
226 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
227
228 kfree(ptr);
229
230 return ret;
231}
232
233static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
234 size_t count, loff_t *ppos)
235{
236 const struct fw_img *img;
237 u32 offset, len;
238 u32 img_offset, img_len;
239
240 if (!iwl_mvm_firmware_running(mvm))
241 return -EINVAL;
242
243 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
244 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
245 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
246
247 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
248 if ((offset & 0x3) || (len & 0x3))
249 return -EINVAL;
250
251 if (offset + len > img_offset + img_len)
252 return -EINVAL;
253
254 mvm->dbgfs_sram_offset = offset;
255 mvm->dbgfs_sram_len = len;
256 } else {
257 mvm->dbgfs_sram_offset = 0;
258 mvm->dbgfs_sram_len = 0;
259 }
260
261 return count;
262}
263
264static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
265 char __user *user_buf,
266 size_t count, loff_t *ppos)
267{
268 struct iwl_mvm *mvm = file->private_data;
269 char buf[16];
270 int pos;
271
272 if (!mvm->temperature_test)
273 pos = scnprintf(buf , sizeof(buf), "disabled\n");
274 else
275 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
276
277 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
278}
279
280
281
282
283
284
285
286
287static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
288 char *buf, size_t count,
289 loff_t *ppos)
290{
291 int temperature;
292
293 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
294 return -EIO;
295
296 if (kstrtoint(buf, 10, &temperature))
297 return -EINVAL;
298
299 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
300 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
301 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
302 return -EINVAL;
303
304 mutex_lock(&mvm->mutex);
305 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
306 if (!mvm->temperature_test)
307 goto out;
308
309 mvm->temperature_test = false;
310
311
312
313
314 mvm->temperature = 0;
315 } else {
316 mvm->temperature_test = true;
317 mvm->temperature = temperature;
318 }
319 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
320 mvm->temperature_test ? "En" : "Dis" ,
321 mvm->temperature);
322
323 iwl_mvm_tt_handler(mvm);
324
325out:
326 mutex_unlock(&mvm->mutex);
327
328 return count;
329}
330
331static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
332 char __user *user_buf,
333 size_t count, loff_t *ppos)
334{
335 struct iwl_mvm *mvm = file->private_data;
336 char buf[16];
337 int pos, ret;
338 s32 temp;
339
340 if (!iwl_mvm_firmware_running(mvm))
341 return -EIO;
342
343 mutex_lock(&mvm->mutex);
344 ret = iwl_mvm_get_temp(mvm, &temp);
345 mutex_unlock(&mvm->mutex);
346
347 if (ret)
348 return -EIO;
349
350 pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
351
352 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
353}
354
355#ifdef CONFIG_ACPI
356static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
357 char __user *user_buf,
358 size_t count, loff_t *ppos)
359{
360 struct iwl_mvm *mvm = file->private_data;
361 char buf[256];
362 int pos = 0;
363 int bufsz = sizeof(buf);
364 int tbl_idx;
365 u8 *value;
366
367 if (!iwl_mvm_firmware_running(mvm))
368 return -EIO;
369
370 mutex_lock(&mvm->mutex);
371 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
372 if (tbl_idx < 0) {
373 mutex_unlock(&mvm->mutex);
374 return tbl_idx;
375 }
376
377 if (!tbl_idx) {
378 pos = scnprintf(buf, bufsz,
379 "SAR geographic profile disabled\n");
380 } else {
381 value = &mvm->fwrt.geo_profiles[tbl_idx - 1].values[0];
382
383 pos += scnprintf(buf + pos, bufsz - pos,
384 "Use geographic profile %d\n", tbl_idx);
385 pos += scnprintf(buf + pos, bufsz - pos,
386 "2.4GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n",
387 value[1], value[2], value[0]);
388 pos += scnprintf(buf + pos, bufsz - pos,
389 "5.2GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n",
390 value[4], value[5], value[3]);
391 }
392 mutex_unlock(&mvm->mutex);
393
394 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
395}
396#endif
397
398static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
399 size_t count, loff_t *ppos)
400{
401 struct iwl_mvm *mvm = file->private_data;
402 struct ieee80211_sta *sta;
403 char buf[400];
404 int i, pos = 0, bufsz = sizeof(buf);
405
406 mutex_lock(&mvm->mutex);
407
408 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {
409 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
410 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
411 lockdep_is_held(&mvm->mutex));
412 if (!sta)
413 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
414 else if (IS_ERR(sta))
415 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
416 PTR_ERR(sta));
417 else
418 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
419 sta->addr);
420 }
421
422 mutex_unlock(&mvm->mutex);
423
424 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
425}
426
427static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
428 size_t count, loff_t *ppos)
429{
430 struct ieee80211_sta *sta = file->private_data;
431 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
432 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
433 struct iwl_mvm *mvm = lq_sta->pers.drv;
434 static const size_t bufsz = 2048;
435 char *buff;
436 int desc = 0;
437 ssize_t ret;
438
439 buff = kmalloc(bufsz, GFP_KERNEL);
440 if (!buff)
441 return -ENOMEM;
442
443 mutex_lock(&mvm->mutex);
444
445 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
446 lq_sta->pers.sta_id);
447 desc += scnprintf(buff + desc, bufsz - desc,
448 "fixed rate 0x%X\n",
449 lq_sta->pers.dbg_fixed_rate);
450 desc += scnprintf(buff + desc, bufsz - desc,
451 "A-MPDU size limit %d\n",
452 lq_sta->pers.dbg_agg_frame_count_lim);
453 desc += scnprintf(buff + desc, bufsz - desc,
454 "valid_tx_ant %s%s%s\n",
455 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
456 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
457 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
458 desc += scnprintf(buff + desc, bufsz - desc,
459 "last tx rate=0x%X ",
460 lq_sta->last_rate_n_flags);
461
462 desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
463 lq_sta->last_rate_n_flags);
464 mutex_unlock(&mvm->mutex);
465
466 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
467 kfree(buff);
468 return ret;
469}
470
471static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
472 char *buf, size_t count,
473 loff_t *ppos)
474{
475 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
476 int i;
477 u16 amsdu_len;
478
479 if (kstrtou16(buf, 0, &amsdu_len))
480 return -EINVAL;
481
482 if (amsdu_len) {
483 mvmsta->orig_amsdu_len = sta->max_amsdu_len;
484 sta->max_amsdu_len = amsdu_len;
485 for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++)
486 sta->max_tid_amsdu_len[i] = amsdu_len;
487 } else {
488 sta->max_amsdu_len = mvmsta->orig_amsdu_len;
489 mvmsta->orig_amsdu_len = 0;
490 }
491 return count;
492}
493
494static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file,
495 char __user *user_buf,
496 size_t count, loff_t *ppos)
497{
498 struct ieee80211_sta *sta = file->private_data;
499 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
500
501 char buf[32];
502 int pos;
503
504 pos = scnprintf(buf, sizeof(buf), "current %d ", sta->max_amsdu_len);
505 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
506 mvmsta->orig_amsdu_len);
507
508 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
509}
510
511static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
512 char __user *user_buf,
513 size_t count, loff_t *ppos)
514{
515 struct iwl_mvm *mvm = file->private_data;
516 char buf[64];
517 int bufsz = sizeof(buf);
518 int pos = 0;
519
520 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
521 mvm->disable_power_off);
522 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
523 mvm->disable_power_off_d3);
524
525 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
526}
527
528static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
529 size_t count, loff_t *ppos)
530{
531 int ret, val;
532
533 if (!iwl_mvm_firmware_running(mvm))
534 return -EIO;
535
536 if (!strncmp("disable_power_off_d0=", buf, 21)) {
537 if (sscanf(buf + 21, "%d", &val) != 1)
538 return -EINVAL;
539 mvm->disable_power_off = val;
540 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
541 if (sscanf(buf + 21, "%d", &val) != 1)
542 return -EINVAL;
543 mvm->disable_power_off_d3 = val;
544 } else {
545 return -EINVAL;
546 }
547
548 mutex_lock(&mvm->mutex);
549 ret = iwl_mvm_power_update_device(mvm);
550 mutex_unlock(&mvm->mutex);
551
552 return ret ?: count;
553}
554
555static
556int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
557 int pos, int bufsz)
558{
559 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
560
561 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
562 BT_MBOX_PRINT(0, LE_PROF1, false);
563 BT_MBOX_PRINT(0, LE_PROF2, false);
564 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
565 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
566 BT_MBOX_PRINT(0, INBAND_S, false);
567 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
568 BT_MBOX_PRINT(0, LE_SCAN, false);
569 BT_MBOX_PRINT(0, LE_ADV, false);
570 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
571 BT_MBOX_PRINT(0, OPEN_CON_1, true);
572
573 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
574
575 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
576 BT_MBOX_PRINT(1, IP_SR, false);
577 BT_MBOX_PRINT(1, LE_MSTR, false);
578 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
579 BT_MBOX_PRINT(1, MSG_TYPE, false);
580 BT_MBOX_PRINT(1, SSN, true);
581
582 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
583
584 BT_MBOX_PRINT(2, SNIFF_ACT, false);
585 BT_MBOX_PRINT(2, PAG, false);
586 BT_MBOX_PRINT(2, INQUIRY, false);
587 BT_MBOX_PRINT(2, CONN, false);
588 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
589 BT_MBOX_PRINT(2, DISC, false);
590 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
591 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
592 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
593 BT_MBOX_PRINT(2, SCO_DURATION, true);
594
595 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
596
597 BT_MBOX_PRINT(3, SCO_STATE, false);
598 BT_MBOX_PRINT(3, SNIFF_STATE, false);
599 BT_MBOX_PRINT(3, A2DP_STATE, false);
600 BT_MBOX_PRINT(3, A2DP_SRC, false);
601 BT_MBOX_PRINT(3, ACL_STATE, false);
602 BT_MBOX_PRINT(3, MSTR_STATE, false);
603 BT_MBOX_PRINT(3, OBX_STATE, false);
604 BT_MBOX_PRINT(3, OPEN_CON_2, false);
605 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
606 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
607 BT_MBOX_PRINT(3, INBAND_P, false);
608 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
609 BT_MBOX_PRINT(3, SSN_2, false);
610 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
611
612 return pos;
613}
614
615static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
616 size_t count, loff_t *ppos)
617{
618 struct iwl_mvm *mvm = file->private_data;
619 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
620 char *buf;
621 int ret, pos = 0, bufsz = sizeof(char) * 1024;
622
623 buf = kmalloc(bufsz, GFP_KERNEL);
624 if (!buf)
625 return -ENOMEM;
626
627 mutex_lock(&mvm->mutex);
628
629 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
630
631 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
632 notif->bt_ci_compliance);
633 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
634 le32_to_cpu(notif->primary_ch_lut));
635 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
636 le32_to_cpu(notif->secondary_ch_lut));
637 pos += scnprintf(buf + pos,
638 bufsz - pos, "bt_activity_grading = %d\n",
639 le32_to_cpu(notif->bt_activity_grading));
640 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
641 notif->rrc_status & 0xF);
642 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
643 notif->ttc_status & 0xF);
644
645 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
646 IWL_MVM_BT_COEX_SYNC2SCO);
647 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
648 IWL_MVM_BT_COEX_MPLUT);
649
650 mutex_unlock(&mvm->mutex);
651
652 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
653 kfree(buf);
654
655 return ret;
656}
657#undef BT_MBOX_PRINT
658
659static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
660 size_t count, loff_t *ppos)
661{
662 struct iwl_mvm *mvm = file->private_data;
663 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
664 char buf[256];
665 int bufsz = sizeof(buf);
666 int pos = 0;
667
668 mutex_lock(&mvm->mutex);
669
670 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
671 pos += scnprintf(buf + pos, bufsz - pos,
672 "\tPrimary Channel Bitmap 0x%016llx\n",
673 le64_to_cpu(cmd->bt_primary_ci));
674 pos += scnprintf(buf + pos, bufsz - pos,
675 "\tSecondary Channel Bitmap 0x%016llx\n",
676 le64_to_cpu(cmd->bt_secondary_ci));
677
678 mutex_unlock(&mvm->mutex);
679
680 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
681}
682
683static ssize_t
684iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
685 size_t count, loff_t *ppos)
686{
687 u32 bt_tx_prio;
688
689 if (sscanf(buf, "%u", &bt_tx_prio) != 1)
690 return -EINVAL;
691 if (bt_tx_prio > 4)
692 return -EINVAL;
693
694 mvm->bt_tx_prio = bt_tx_prio;
695
696 return count;
697}
698
699static ssize_t
700iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
701 size_t count, loff_t *ppos)
702{
703 static const char * const modes_str[BT_FORCE_ANT_MAX] = {
704 [BT_FORCE_ANT_DIS] = "dis",
705 [BT_FORCE_ANT_AUTO] = "auto",
706 [BT_FORCE_ANT_BT] = "bt",
707 [BT_FORCE_ANT_WIFI] = "wifi",
708 };
709 int ret, bt_force_ant_mode;
710
711 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
712 if (ret < 0)
713 return ret;
714
715 bt_force_ant_mode = ret;
716 ret = 0;
717 mutex_lock(&mvm->mutex);
718 if (mvm->bt_force_ant_mode == bt_force_ant_mode)
719 goto out;
720
721 mvm->bt_force_ant_mode = bt_force_ant_mode;
722 IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
723 modes_str[mvm->bt_force_ant_mode]);
724
725 if (iwl_mvm_firmware_running(mvm))
726 ret = iwl_mvm_send_bt_init_conf(mvm);
727 else
728 ret = 0;
729
730out:
731 mutex_unlock(&mvm->mutex);
732 return ret ?: count;
733}
734
735static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
736 size_t count, loff_t *ppos)
737{
738 struct iwl_mvm *mvm = file->private_data;
739 char *buff, *pos, *endpos;
740 static const size_t bufsz = 1024;
741 int ret;
742
743 buff = kmalloc(bufsz, GFP_KERNEL);
744 if (!buff)
745 return -ENOMEM;
746
747 pos = buff;
748 endpos = pos + bufsz;
749
750 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
751 mvm->trans->cfg->fw_name_pre);
752 pos += scnprintf(pos, endpos - pos, "FW: %s\n",
753 mvm->fwrt.fw->human_readable);
754 pos += scnprintf(pos, endpos - pos, "Device: %s\n",
755 mvm->fwrt.trans->name);
756 pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
757 mvm->fwrt.dev->bus->name);
758
759 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
760 kfree(buff);
761
762 return ret;
763}
764
765#define PRINT_STATS_LE32(_struct, _memb) \
766 pos += scnprintf(buf + pos, bufsz - pos, \
767 fmt_table, #_memb, \
768 le32_to_cpu(_struct->_memb))
769
770static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
771 char __user *user_buf, size_t count,
772 loff_t *ppos)
773{
774 struct iwl_mvm *mvm = file->private_data;
775 static const char *fmt_table = "\t%-30s %10u\n";
776 static const char *fmt_header = "%-32s\n";
777 int pos = 0;
778 char *buf;
779 int ret;
780 size_t bufsz;
781
782 if (iwl_mvm_has_new_rx_stats_api(mvm))
783 bufsz = ((sizeof(struct mvm_statistics_rx) /
784 sizeof(__le32)) * 43) + (4 * 33) + 1;
785 else
786
787 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
788 sizeof(__le32)) * 43) + (4 * 33) + 1;
789
790 buf = kzalloc(bufsz, GFP_KERNEL);
791 if (!buf)
792 return -ENOMEM;
793
794 mutex_lock(&mvm->mutex);
795
796 if (iwl_mvm_firmware_running(mvm))
797 iwl_mvm_request_statistics(mvm, false);
798
799 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
800 "Statistics_Rx - OFDM");
801 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
802 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
803
804 PRINT_STATS_LE32(ofdm, ina_cnt);
805 PRINT_STATS_LE32(ofdm, fina_cnt);
806 PRINT_STATS_LE32(ofdm, plcp_err);
807 PRINT_STATS_LE32(ofdm, crc32_err);
808 PRINT_STATS_LE32(ofdm, overrun_err);
809 PRINT_STATS_LE32(ofdm, early_overrun_err);
810 PRINT_STATS_LE32(ofdm, crc32_good);
811 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
812 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
813 PRINT_STATS_LE32(ofdm, sfd_timeout);
814 PRINT_STATS_LE32(ofdm, fina_timeout);
815 PRINT_STATS_LE32(ofdm, unresponded_rts);
816 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
817 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
818 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
819 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
820 PRINT_STATS_LE32(ofdm, dsp_self_kill);
821 PRINT_STATS_LE32(ofdm, mh_format_err);
822 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
823 PRINT_STATS_LE32(ofdm, reserved);
824 } else {
825 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
826
827 PRINT_STATS_LE32(ofdm, unresponded_rts);
828 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
829 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
830 PRINT_STATS_LE32(ofdm, dsp_self_kill);
831 PRINT_STATS_LE32(ofdm, reserved);
832 }
833
834 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
835 "Statistics_Rx - CCK");
836 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
837 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
838
839 PRINT_STATS_LE32(cck, ina_cnt);
840 PRINT_STATS_LE32(cck, fina_cnt);
841 PRINT_STATS_LE32(cck, plcp_err);
842 PRINT_STATS_LE32(cck, crc32_err);
843 PRINT_STATS_LE32(cck, overrun_err);
844 PRINT_STATS_LE32(cck, early_overrun_err);
845 PRINT_STATS_LE32(cck, crc32_good);
846 PRINT_STATS_LE32(cck, false_alarm_cnt);
847 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
848 PRINT_STATS_LE32(cck, sfd_timeout);
849 PRINT_STATS_LE32(cck, fina_timeout);
850 PRINT_STATS_LE32(cck, unresponded_rts);
851 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
852 PRINT_STATS_LE32(cck, sent_ack_cnt);
853 PRINT_STATS_LE32(cck, sent_cts_cnt);
854 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
855 PRINT_STATS_LE32(cck, dsp_self_kill);
856 PRINT_STATS_LE32(cck, mh_format_err);
857 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
858 PRINT_STATS_LE32(cck, reserved);
859 } else {
860 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
861
862 PRINT_STATS_LE32(cck, unresponded_rts);
863 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
864 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
865 PRINT_STATS_LE32(cck, dsp_self_kill);
866 PRINT_STATS_LE32(cck, reserved);
867 }
868
869 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
870 "Statistics_Rx - GENERAL");
871 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
872 struct mvm_statistics_rx_non_phy_v3 *general =
873 &mvm->rx_stats_v3.general;
874
875 PRINT_STATS_LE32(general, bogus_cts);
876 PRINT_STATS_LE32(general, bogus_ack);
877 PRINT_STATS_LE32(general, non_bssid_frames);
878 PRINT_STATS_LE32(general, filtered_frames);
879 PRINT_STATS_LE32(general, non_channel_beacons);
880 PRINT_STATS_LE32(general, channel_beacons);
881 PRINT_STATS_LE32(general, num_missed_bcon);
882 PRINT_STATS_LE32(general, adc_rx_saturation_time);
883 PRINT_STATS_LE32(general, ina_detection_search_time);
884 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
885 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
886 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
887 PRINT_STATS_LE32(general, interference_data_flag);
888 PRINT_STATS_LE32(general, channel_load);
889 PRINT_STATS_LE32(general, dsp_false_alarms);
890 PRINT_STATS_LE32(general, beacon_rssi_a);
891 PRINT_STATS_LE32(general, beacon_rssi_b);
892 PRINT_STATS_LE32(general, beacon_rssi_c);
893 PRINT_STATS_LE32(general, beacon_energy_a);
894 PRINT_STATS_LE32(general, beacon_energy_b);
895 PRINT_STATS_LE32(general, beacon_energy_c);
896 PRINT_STATS_LE32(general, num_bt_kills);
897 PRINT_STATS_LE32(general, mac_id);
898 PRINT_STATS_LE32(general, directed_data_mpdu);
899 } else {
900 struct mvm_statistics_rx_non_phy *general =
901 &mvm->rx_stats.general;
902
903 PRINT_STATS_LE32(general, bogus_cts);
904 PRINT_STATS_LE32(general, bogus_ack);
905 PRINT_STATS_LE32(general, non_channel_beacons);
906 PRINT_STATS_LE32(general, channel_beacons);
907 PRINT_STATS_LE32(general, num_missed_bcon);
908 PRINT_STATS_LE32(general, adc_rx_saturation_time);
909 PRINT_STATS_LE32(general, ina_detection_search_time);
910 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
911 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
912 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
913 PRINT_STATS_LE32(general, interference_data_flag);
914 PRINT_STATS_LE32(general, channel_load);
915 PRINT_STATS_LE32(general, beacon_rssi_a);
916 PRINT_STATS_LE32(general, beacon_rssi_b);
917 PRINT_STATS_LE32(general, beacon_rssi_c);
918 PRINT_STATS_LE32(general, beacon_energy_a);
919 PRINT_STATS_LE32(general, beacon_energy_b);
920 PRINT_STATS_LE32(general, beacon_energy_c);
921 PRINT_STATS_LE32(general, num_bt_kills);
922 PRINT_STATS_LE32(general, mac_id);
923 }
924
925 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
926 "Statistics_Rx - HT");
927 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
928 struct mvm_statistics_rx_ht_phy_v1 *ht =
929 &mvm->rx_stats_v3.ofdm_ht;
930
931 PRINT_STATS_LE32(ht, plcp_err);
932 PRINT_STATS_LE32(ht, overrun_err);
933 PRINT_STATS_LE32(ht, early_overrun_err);
934 PRINT_STATS_LE32(ht, crc32_good);
935 PRINT_STATS_LE32(ht, crc32_err);
936 PRINT_STATS_LE32(ht, mh_format_err);
937 PRINT_STATS_LE32(ht, agg_crc32_good);
938 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
939 PRINT_STATS_LE32(ht, agg_cnt);
940 PRINT_STATS_LE32(ht, unsupport_mcs);
941 } else {
942 struct mvm_statistics_rx_ht_phy *ht =
943 &mvm->rx_stats.ofdm_ht;
944
945 PRINT_STATS_LE32(ht, mh_format_err);
946 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
947 PRINT_STATS_LE32(ht, agg_cnt);
948 PRINT_STATS_LE32(ht, unsupport_mcs);
949 }
950
951 mutex_unlock(&mvm->mutex);
952
953 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
954 kfree(buf);
955
956 return ret;
957}
958#undef PRINT_STAT_LE32
959
960static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
961 char __user *user_buf, size_t count,
962 loff_t *ppos,
963 struct iwl_mvm_frame_stats *stats)
964{
965 char *buff, *pos, *endpos;
966 int idx, i;
967 int ret;
968 static const size_t bufsz = 1024;
969
970 buff = kmalloc(bufsz, GFP_KERNEL);
971 if (!buff)
972 return -ENOMEM;
973
974 spin_lock_bh(&mvm->drv_stats_lock);
975
976 pos = buff;
977 endpos = pos + bufsz;
978
979 pos += scnprintf(pos, endpos - pos,
980 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
981 stats->legacy_frames,
982 stats->ht_frames,
983 stats->vht_frames);
984 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
985 stats->bw_20_frames,
986 stats->bw_40_frames,
987 stats->bw_80_frames);
988 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
989 stats->ngi_frames,
990 stats->sgi_frames);
991 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
992 stats->siso_frames,
993 stats->mimo2_frames);
994 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
995 stats->fail_frames,
996 stats->success_frames);
997 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
998 stats->agg_frames);
999 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
1000 stats->ampdu_count);
1001 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
1002 stats->ampdu_count > 0 ?
1003 (stats->agg_frames / stats->ampdu_count) : 0);
1004
1005 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
1006
1007 idx = stats->last_frame_idx - 1;
1008 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
1009 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
1010 if (stats->last_rates[idx] == 0)
1011 continue;
1012 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
1013 (int)(ARRAY_SIZE(stats->last_rates) - i));
1014 pos += rs_pretty_print_rate(pos, endpos - pos,
1015 stats->last_rates[idx]);
1016 }
1017 spin_unlock_bh(&mvm->drv_stats_lock);
1018
1019 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1020 kfree(buff);
1021
1022 return ret;
1023}
1024
1025static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1026 char __user *user_buf, size_t count,
1027 loff_t *ppos)
1028{
1029 struct iwl_mvm *mvm = file->private_data;
1030
1031 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1032 &mvm->drv_rx_stats);
1033}
1034
1035static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1036 size_t count, loff_t *ppos)
1037{
1038 int __maybe_unused ret;
1039
1040 if (!iwl_mvm_firmware_running(mvm))
1041 return -EIO;
1042
1043 mutex_lock(&mvm->mutex);
1044
1045
1046 if (mvm->fw_restart >= 0)
1047 mvm->fw_restart++;
1048
1049
1050 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
1051
1052 mutex_unlock(&mvm->mutex);
1053
1054 return count;
1055}
1056
1057static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1058 size_t count, loff_t *ppos)
1059{
1060 if (!iwl_mvm_firmware_running(mvm))
1061 return -EIO;
1062
1063 iwl_force_nmi(mvm->trans);
1064
1065 return count;
1066}
1067
1068static ssize_t
1069iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1070 char __user *user_buf,
1071 size_t count, loff_t *ppos)
1072{
1073 struct iwl_mvm *mvm = file->private_data;
1074 int pos = 0;
1075 char buf[32];
1076 const size_t bufsz = sizeof(buf);
1077
1078
1079 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1080 if (mvm->scan_rx_ant & ANT_A)
1081 pos += scnprintf(buf + pos, bufsz - pos, "A");
1082 if (mvm->scan_rx_ant & ANT_B)
1083 pos += scnprintf(buf + pos, bufsz - pos, "B");
1084 if (mvm->scan_rx_ant & ANT_C)
1085 pos += scnprintf(buf + pos, bufsz - pos, "C");
1086 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
1087
1088 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1089}
1090
1091static ssize_t
1092iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1093 size_t count, loff_t *ppos)
1094{
1095 u8 scan_rx_ant;
1096
1097 if (!iwl_mvm_firmware_running(mvm))
1098 return -EIO;
1099
1100 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1101 return -EINVAL;
1102 if (scan_rx_ant > ANT_ABC)
1103 return -EINVAL;
1104 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1105 return -EINVAL;
1106
1107 if (mvm->scan_rx_ant != scan_rx_ant) {
1108 mvm->scan_rx_ant = scan_rx_ant;
1109 if (fw_has_capa(&mvm->fw->ucode_capa,
1110 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1111 iwl_mvm_config_scan(mvm);
1112 }
1113
1114 return count;
1115}
1116
1117static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1118 char *buf, size_t count,
1119 loff_t *ppos)
1120{
1121 struct iwl_rss_config_cmd cmd = {
1122 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1123 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1124 IWL_RSS_HASH_TYPE_IPV4_UDP |
1125 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1126 IWL_RSS_HASH_TYPE_IPV6_TCP |
1127 IWL_RSS_HASH_TYPE_IPV6_UDP |
1128 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1129 };
1130 int ret, i, num_repeats, nbytes = count / 2;
1131
1132 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1133 if (ret)
1134 return ret;
1135
1136
1137
1138
1139
1140
1141
1142
1143 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1144 for (i = 1; i < num_repeats; i++)
1145 memcpy(&cmd.indirection_table[i * nbytes],
1146 cmd.indirection_table, nbytes);
1147
1148 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1149 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1150
1151 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1152
1153 mutex_lock(&mvm->mutex);
1154 if (iwl_mvm_firmware_running(mvm))
1155 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1156 sizeof(cmd), &cmd);
1157 else
1158 ret = 0;
1159 mutex_unlock(&mvm->mutex);
1160
1161 return ret ?: count;
1162}
1163
1164static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1165 char *buf, size_t count,
1166 loff_t *ppos)
1167{
1168 struct iwl_rx_cmd_buffer rxb = {
1169 ._rx_page_order = 0,
1170 .truesize = 0,
1171 ._offset = 0,
1172 };
1173 struct iwl_rx_packet *pkt;
1174 struct iwl_rx_mpdu_desc *desc;
1175 int bin_len = count / 2;
1176 int ret = -EINVAL;
1177 size_t mpdu_cmd_hdr_size = (mvm->trans->trans_cfg->device_family >=
1178 IWL_DEVICE_FAMILY_AX210) ?
1179 sizeof(struct iwl_rx_mpdu_desc) :
1180 IWL_RX_DESC_SIZE_V1;
1181
1182 if (!iwl_mvm_firmware_running(mvm))
1183 return -EIO;
1184
1185
1186 if (!mvm->trans->trans_cfg->mq_rx_supported)
1187 return -ENOTSUPP;
1188
1189 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1190 if (!rxb._page)
1191 return -ENOMEM;
1192 pkt = rxb_addr(&rxb);
1193
1194 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1195 if (ret)
1196 goto out;
1197
1198
1199 if (bin_len < sizeof(*pkt) + mpdu_cmd_hdr_size)
1200 goto out;
1201
1202
1203 if (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd) !=
1204 WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))
1205 goto out;
1206
1207
1208 desc = (void *)pkt->data;
1209 if (le16_to_cpu(desc->mpdu_len) !=
1210 (bin_len - mpdu_cmd_hdr_size - sizeof(*pkt)))
1211 goto out;
1212
1213 local_bh_disable();
1214 iwl_mvm_rx_mpdu_mq(mvm, NULL, &rxb, 0);
1215 local_bh_enable();
1216 ret = 0;
1217
1218out:
1219 iwl_free_rxb(&rxb);
1220
1221 return ret ?: count;
1222}
1223
1224static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1225{
1226 struct ieee80211_vif *vif;
1227 struct iwl_mvm_vif *mvmvif;
1228 struct sk_buff *beacon;
1229 struct ieee80211_tx_info *info;
1230 struct iwl_mac_beacon_cmd beacon_cmd = {};
1231 u8 rate;
1232 u16 flags;
1233 int i;
1234
1235 len /= 2;
1236
1237
1238 if (len >= U8_MAX)
1239 return -EINVAL;
1240
1241 if (!iwl_mvm_firmware_running(mvm))
1242 return -EIO;
1243
1244 if (!iwl_mvm_has_new_tx_api(mvm) &&
1245 !fw_has_api(&mvm->fw->ucode_capa,
1246 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1247 return -EINVAL;
1248
1249 rcu_read_lock();
1250
1251 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1252 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, true);
1253 if (!vif)
1254 continue;
1255
1256 if (vif->type == NL80211_IFTYPE_AP)
1257 break;
1258 }
1259
1260 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1261 goto out_err;
1262
1263 mvm->hw->extra_beacon_tailroom = len;
1264
1265 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL);
1266 if (!beacon)
1267 goto out_err;
1268
1269 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1270 dev_kfree_skb(beacon);
1271 goto out_err;
1272 }
1273
1274 mvm->beacon_inject_active = true;
1275
1276 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1277 info = IEEE80211_SKB_CB(beacon);
1278 rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
1279 flags = iwl_mvm_mac80211_idx_to_hwrate(rate);
1280
1281 if (rate == IWL_FIRST_CCK_RATE)
1282 flags |= IWL_MAC_BEACON_CCK;
1283
1284 beacon_cmd.flags = cpu_to_le16(flags);
1285 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1286 beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
1287
1288 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1289 &beacon_cmd.tim_size,
1290 beacon->data, beacon->len);
1291
1292 mutex_lock(&mvm->mutex);
1293 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1294 sizeof(beacon_cmd));
1295 mutex_unlock(&mvm->mutex);
1296
1297 dev_kfree_skb(beacon);
1298
1299 rcu_read_unlock();
1300 return 0;
1301
1302out_err:
1303 rcu_read_unlock();
1304 return -EINVAL;
1305}
1306
1307static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1308 char *buf, size_t count,
1309 loff_t *ppos)
1310{
1311 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1312
1313 mvm->hw->extra_beacon_tailroom = 0;
1314 return ret ?: count;
1315}
1316
1317static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1318 char *buf,
1319 size_t count,
1320 loff_t *ppos)
1321{
1322 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1323
1324 mvm->hw->extra_beacon_tailroom = 0;
1325 mvm->beacon_inject_active = false;
1326 return ret ?: count;
1327}
1328
1329static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1330 char __user *user_buf,
1331 size_t count, loff_t *ppos)
1332{
1333 struct iwl_mvm *mvm = file->private_data;
1334 int conf;
1335 char buf[8];
1336 const size_t bufsz = sizeof(buf);
1337 int pos = 0;
1338
1339 mutex_lock(&mvm->mutex);
1340 conf = mvm->fwrt.dump.conf;
1341 mutex_unlock(&mvm->mutex);
1342
1343 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1344
1345 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1346}
1347
1348static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1349 char *buf, size_t count,
1350 loff_t *ppos)
1351{
1352 unsigned int conf_id;
1353 int ret;
1354
1355 if (!iwl_mvm_firmware_running(mvm))
1356 return -EIO;
1357
1358 ret = kstrtouint(buf, 0, &conf_id);
1359 if (ret)
1360 return ret;
1361
1362 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1363 return -EINVAL;
1364
1365 mutex_lock(&mvm->mutex);
1366 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1367 mutex_unlock(&mvm->mutex);
1368
1369 return ret ?: count;
1370}
1371
1372static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1373 char *buf, size_t count,
1374 loff_t *ppos)
1375{
1376 if (count == 0)
1377 return 0;
1378
1379 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
1380 NULL);
1381
1382 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1383 (count - 1), NULL);
1384
1385 return count;
1386}
1387
1388#define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1389#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1390static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1391 char __user *user_buf,
1392 size_t count, loff_t *ppos)
1393{
1394 struct iwl_mvm *mvm = file->private_data;
1395 struct iwl_bcast_filter_cmd cmd;
1396 const struct iwl_fw_bcast_filter *filter;
1397 char *buf;
1398 int bufsz = 1024;
1399 int i, j, pos = 0;
1400 ssize_t ret;
1401
1402 buf = kzalloc(bufsz, GFP_KERNEL);
1403 if (!buf)
1404 return -ENOMEM;
1405
1406 mutex_lock(&mvm->mutex);
1407 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1408 ADD_TEXT("None\n");
1409 mutex_unlock(&mvm->mutex);
1410 goto out;
1411 }
1412 mutex_unlock(&mvm->mutex);
1413
1414 for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1415 filter = &cmd.filters[i];
1416
1417 ADD_TEXT("Filter [%d]:\n", i);
1418 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1419 ADD_TEXT("\tFrame Type: %s\n",
1420 filter->frame_type ? "IPv4" : "Generic");
1421
1422 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1423 const struct iwl_fw_bcast_filter_attr *attr;
1424
1425 attr = &filter->attrs[j];
1426 if (!attr->mask)
1427 break;
1428
1429 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1430 j, attr->offset,
1431 attr->offset_type ? "IP End" :
1432 "Payload Start",
1433 be32_to_cpu(attr->mask),
1434 be32_to_cpu(attr->val),
1435 le16_to_cpu(attr->reserved1));
1436 }
1437 }
1438out:
1439 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1440 kfree(buf);
1441 return ret;
1442}
1443
1444static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1445 size_t count, loff_t *ppos)
1446{
1447 int pos, next_pos;
1448 struct iwl_fw_bcast_filter filter = {};
1449 struct iwl_bcast_filter_cmd cmd;
1450 u32 filter_id, attr_id, mask, value;
1451 int err = 0;
1452
1453 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1454 &filter.frame_type, &pos) != 3)
1455 return -EINVAL;
1456
1457 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1458 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1459 return -EINVAL;
1460
1461 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1462 attr_id++) {
1463 struct iwl_fw_bcast_filter_attr *attr =
1464 &filter.attrs[attr_id];
1465
1466 if (pos >= count)
1467 break;
1468
1469 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1470 &attr->offset, &attr->offset_type,
1471 &mask, &value, &next_pos) != 4)
1472 return -EINVAL;
1473
1474 attr->mask = cpu_to_be32(mask);
1475 attr->val = cpu_to_be32(value);
1476 if (mask)
1477 filter.num_attrs++;
1478
1479 pos += next_pos;
1480 }
1481
1482 mutex_lock(&mvm->mutex);
1483 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1484 &filter, sizeof(filter));
1485
1486
1487 if (iwl_mvm_firmware_running(mvm) &&
1488 mvm->dbgfs_bcast_filtering.override &&
1489 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1490 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1491 sizeof(cmd), &cmd);
1492 mutex_unlock(&mvm->mutex);
1493
1494 return err ?: count;
1495}
1496
1497static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1498 char __user *user_buf,
1499 size_t count, loff_t *ppos)
1500{
1501 struct iwl_mvm *mvm = file->private_data;
1502 struct iwl_bcast_filter_cmd cmd;
1503 char *buf;
1504 int bufsz = 1024;
1505 int i, pos = 0;
1506 ssize_t ret;
1507
1508 buf = kzalloc(bufsz, GFP_KERNEL);
1509 if (!buf)
1510 return -ENOMEM;
1511
1512 mutex_lock(&mvm->mutex);
1513 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1514 ADD_TEXT("None\n");
1515 mutex_unlock(&mvm->mutex);
1516 goto out;
1517 }
1518 mutex_unlock(&mvm->mutex);
1519
1520 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1521 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1522
1523 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1524 i, mac->default_discard, mac->attached_filters);
1525 }
1526out:
1527 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1528 kfree(buf);
1529 return ret;
1530}
1531
1532static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1533 char *buf, size_t count,
1534 loff_t *ppos)
1535{
1536 struct iwl_bcast_filter_cmd cmd;
1537 struct iwl_fw_bcast_mac mac = {};
1538 u32 mac_id, attached_filters;
1539 int err = 0;
1540
1541 if (!mvm->bcast_filters)
1542 return -ENOENT;
1543
1544 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1545 &attached_filters) != 3)
1546 return -EINVAL;
1547
1548 if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1549 mac.default_discard > 1 ||
1550 attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1551 return -EINVAL;
1552
1553 mac.attached_filters = cpu_to_le16(attached_filters);
1554
1555 mutex_lock(&mvm->mutex);
1556 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1557 &mac, sizeof(mac));
1558
1559
1560 if (iwl_mvm_firmware_running(mvm) &&
1561 mvm->dbgfs_bcast_filtering.override &&
1562 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1563 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1564 sizeof(cmd), &cmd);
1565 mutex_unlock(&mvm->mutex);
1566
1567 return err ?: count;
1568}
1569#endif
1570
1571#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1572 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1573#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1574 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1575#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1576 debugfs_create_file(alias, mode, parent, mvm, \
1577 &iwl_dbgfs_##name##_ops); \
1578 } while (0)
1579#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1580 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1581
1582#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
1583 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1584#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
1585 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1586
1587#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
1588 debugfs_create_file(alias, mode, parent, sta, \
1589 &iwl_dbgfs_##name##_ops); \
1590 } while (0)
1591#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
1592 MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
1593
1594static ssize_t
1595iwl_dbgfs_prph_reg_read(struct file *file,
1596 char __user *user_buf,
1597 size_t count, loff_t *ppos)
1598{
1599 struct iwl_mvm *mvm = file->private_data;
1600 int pos = 0;
1601 char buf[32];
1602 const size_t bufsz = sizeof(buf);
1603
1604 if (!mvm->dbgfs_prph_reg_addr)
1605 return -EINVAL;
1606
1607 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1608 mvm->dbgfs_prph_reg_addr,
1609 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1610
1611 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1612}
1613
1614static ssize_t
1615iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1616 size_t count, loff_t *ppos)
1617{
1618 u8 args;
1619 u32 value;
1620
1621 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1622
1623 if (args == 1)
1624 goto out;
1625
1626
1627 if (args != 2)
1628 return -EINVAL;
1629
1630 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1631
1632out:
1633 return count;
1634}
1635
1636static ssize_t
1637iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1638 size_t count, loff_t *ppos)
1639{
1640 int ret;
1641
1642 if (!iwl_mvm_firmware_running(mvm))
1643 return -EIO;
1644
1645 mutex_lock(&mvm->mutex);
1646 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1647 mutex_unlock(&mvm->mutex);
1648
1649 return ret ?: count;
1650}
1651
1652struct iwl_mvm_sniffer_apply {
1653 struct iwl_mvm *mvm;
1654 u8 *bssid;
1655 u16 aid;
1656};
1657
1658static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1659 struct iwl_rx_packet *pkt, void *data)
1660{
1661 struct iwl_mvm_sniffer_apply *apply = data;
1662
1663 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1664 memcpy(apply->mvm->cur_bssid, apply->bssid,
1665 sizeof(apply->mvm->cur_bssid));
1666
1667 return true;
1668}
1669
1670static ssize_t
1671iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1672 size_t count, loff_t *ppos)
1673{
1674 struct iwl_notification_wait wait;
1675 struct iwl_he_monitor_cmd he_mon_cmd = {};
1676 struct iwl_mvm_sniffer_apply apply = {
1677 .mvm = mvm,
1678 };
1679 u16 wait_cmds[] = {
1680 iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0),
1681 };
1682 u32 aid;
1683 int ret;
1684
1685 if (!iwl_mvm_firmware_running(mvm))
1686 return -EIO;
1687
1688 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1689 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1690 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1691 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1692 if (ret != 7)
1693 return -EINVAL;
1694
1695 he_mon_cmd.aid = cpu_to_le16(aid);
1696
1697 apply.aid = aid;
1698 apply.bssid = (void *)he_mon_cmd.bssid;
1699
1700 mutex_lock(&mvm->mutex);
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711 iwl_init_notification_wait(&mvm->notif_wait, &wait,
1712 wait_cmds, ARRAY_SIZE(wait_cmds),
1713 iwl_mvm_sniffer_apply, &apply);
1714
1715 ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD,
1716 DATA_PATH_GROUP, 0), 0,
1717 sizeof(he_mon_cmd), &he_mon_cmd);
1718
1719
1720 iwl_remove_notification(&mvm->notif_wait, &wait);
1721
1722 mutex_unlock(&mvm->mutex);
1723
1724 return ret ?: count;
1725}
1726
1727static ssize_t
1728iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1729 size_t count, loff_t *ppos)
1730{
1731 struct iwl_mvm *mvm = file->private_data;
1732 u8 buf[32];
1733 int len;
1734
1735 len = scnprintf(buf, sizeof(buf),
1736 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1737 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1738 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1739 mvm->cur_bssid[4], mvm->cur_bssid[5]);
1740
1741 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1742}
1743
1744static ssize_t
1745iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1746 size_t count, loff_t *ppos)
1747{
1748 struct iwl_mvm *mvm = file->private_data;
1749 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1750 unsigned int pos = 0;
1751 size_t bufsz = sizeof(buf);
1752 int i;
1753
1754 mutex_lock(&mvm->mutex);
1755
1756 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1757 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1758 mvm->uapsd_noagg_bssids[i].addr);
1759
1760 mutex_unlock(&mvm->mutex);
1761
1762 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1763}
1764
1765static ssize_t
1766iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1767 char *buf, size_t count, loff_t *ppos)
1768{
1769 int ret;
1770 struct iwl_ltr_config_cmd ltr_config = {0};
1771
1772 if (!iwl_mvm_firmware_running(mvm))
1773 return -EIO;
1774
1775 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1776 <r_config.flags,
1777 <r_config.static_long,
1778 <r_config.static_short,
1779 <r_config.ltr_cfg_values[0],
1780 <r_config.ltr_cfg_values[1],
1781 <r_config.ltr_cfg_values[2],
1782 <r_config.ltr_cfg_values[3]) != 7) {
1783 return -EINVAL;
1784 }
1785
1786 mutex_lock(&mvm->mutex);
1787 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1788 <r_config);
1789 mutex_unlock(&mvm->mutex);
1790
1791 if (ret)
1792 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1793
1794 return ret ?: count;
1795}
1796
1797MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1798
1799
1800MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1801MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1802MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1803MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1804MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1805MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1806MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1807MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1808MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1809MVM_DEBUGFS_READ_FILE_OPS(stations);
1810MVM_DEBUGFS_READ_FILE_OPS(rs_data);
1811MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1812MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1813MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1814MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1815MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1816MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
1817MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1818MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1819MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1820MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1821MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1822MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1823MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1824MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1825 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1826MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1827MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1828MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1829
1830MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1831
1832#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1833MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1834MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1835#endif
1836
1837#ifdef CONFIG_ACPI
1838MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1839#endif
1840
1841MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
1842
1843MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1844
1845MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1846
1847static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1848 size_t count, loff_t *ppos)
1849{
1850 struct iwl_mvm *mvm = file->private_data;
1851 struct iwl_dbg_mem_access_cmd cmd = {};
1852 struct iwl_dbg_mem_access_rsp *rsp;
1853 struct iwl_host_cmd hcmd = {
1854 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1855 .data = { &cmd, },
1856 .len = { sizeof(cmd) },
1857 };
1858 size_t delta;
1859 ssize_t ret, len;
1860
1861 if (!iwl_mvm_firmware_running(mvm))
1862 return -EIO;
1863
1864 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1865 DEBUG_GROUP, 0);
1866 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1867
1868
1869 delta = *ppos & 0x3;
1870 cmd.addr = cpu_to_le32(*ppos - delta);
1871 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1872 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1873
1874 mutex_lock(&mvm->mutex);
1875 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1876 mutex_unlock(&mvm->mutex);
1877
1878 if (ret < 0)
1879 return ret;
1880
1881 rsp = (void *)hcmd.resp_pkt->data;
1882 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1883 ret = -ENXIO;
1884 goto out;
1885 }
1886
1887 len = min((size_t)le32_to_cpu(rsp->len) << 2,
1888 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
1889 len = min(len - delta, count);
1890 if (len < 0) {
1891 ret = -EFAULT;
1892 goto out;
1893 }
1894
1895 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len);
1896 *ppos += ret;
1897
1898out:
1899 iwl_free_resp(&hcmd);
1900 return ret;
1901}
1902
1903static ssize_t iwl_dbgfs_mem_write(struct file *file,
1904 const char __user *user_buf, size_t count,
1905 loff_t *ppos)
1906{
1907 struct iwl_mvm *mvm = file->private_data;
1908 struct iwl_dbg_mem_access_cmd *cmd;
1909 struct iwl_dbg_mem_access_rsp *rsp;
1910 struct iwl_host_cmd hcmd = {};
1911 size_t cmd_size;
1912 size_t data_size;
1913 u32 op, len;
1914 ssize_t ret;
1915
1916 if (!iwl_mvm_firmware_running(mvm))
1917 return -EIO;
1918
1919 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1920 DEBUG_GROUP, 0);
1921
1922 if (*ppos & 0x3 || count < 4) {
1923 op = DEBUG_MEM_OP_WRITE_BYTES;
1924 len = min(count, (size_t)(4 - (*ppos & 0x3)));
1925 data_size = len;
1926 } else {
1927 op = DEBUG_MEM_OP_WRITE;
1928 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
1929 data_size = len << 2;
1930 }
1931
1932 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
1933 cmd = kzalloc(cmd_size, GFP_KERNEL);
1934 if (!cmd)
1935 return -ENOMEM;
1936
1937 cmd->op = cpu_to_le32(op);
1938 cmd->len = cpu_to_le32(len);
1939 cmd->addr = cpu_to_le32(*ppos);
1940 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
1941 kfree(cmd);
1942 return -EFAULT;
1943 }
1944
1945 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1946 hcmd.data[0] = (void *)cmd;
1947 hcmd.len[0] = cmd_size;
1948
1949 mutex_lock(&mvm->mutex);
1950 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1951 mutex_unlock(&mvm->mutex);
1952
1953 kfree(cmd);
1954
1955 if (ret < 0)
1956 return ret;
1957
1958 rsp = (void *)hcmd.resp_pkt->data;
1959 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
1960 ret = -ENXIO;
1961 goto out;
1962 }
1963
1964 ret = data_size;
1965 *ppos += ret;
1966
1967out:
1968 iwl_free_resp(&hcmd);
1969 return ret;
1970}
1971
1972static const struct file_operations iwl_dbgfs_mem_ops = {
1973 .read = iwl_dbgfs_mem_read,
1974 .write = iwl_dbgfs_mem_write,
1975 .open = simple_open,
1976 .llseek = default_llseek,
1977};
1978
1979void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
1980 struct ieee80211_vif *vif,
1981 struct ieee80211_sta *sta,
1982 struct dentry *dir)
1983{
1984 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1985
1986 if (iwl_mvm_has_tlc_offload(mvm)) {
1987 MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
1988 }
1989 MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600);
1990}
1991
1992void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1993{
1994 struct dentry *bcast_dir __maybe_unused;
1995 char buf[100];
1996
1997 spin_lock_init(&mvm->drv_stats_lock);
1998
1999 mvm->debugfs_dir = dbgfs_dir;
2000
2001 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2002 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
2003 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2004 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2005 MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, 0400);
2006 MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, 0400);
2007 MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, 0200);
2008 MVM_DEBUGFS_ADD_FILE(force_ctkill, dbgfs_dir, 0200);
2009 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, 0400);
2010 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, 0400);
2011 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, 0400);
2012 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2013 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
2014 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2015 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2016 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2017 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2018 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
2019 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
2020 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2021 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2022 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2023 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
2024 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2025 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2026 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2027 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2028 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2029#ifdef CONFIG_ACPI
2030 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400);
2031#endif
2032 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2033
2034 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2035 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2036
2037 debugfs_create_bool("enable_scan_iteration_notif", 0600,
2038 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2039 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2040 &mvm->drop_bcn_ap_mode);
2041
2042 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2043
2044#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2045 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
2046 bcast_dir = debugfs_create_dir("bcast_filtering",
2047 mvm->debugfs_dir);
2048
2049 debugfs_create_bool("override", 0600, bcast_dir,
2050 &mvm->dbgfs_bcast_filtering.override);
2051
2052 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
2053 bcast_dir, 0600);
2054 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
2055 bcast_dir, 0600);
2056 }
2057#endif
2058
2059#ifdef CONFIG_PM_SLEEP
2060 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2061 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2062 &mvm->d3_wake_sysassert);
2063 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2064 &mvm->last_netdetect_scans);
2065#endif
2066
2067 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2068 &mvm->ps_disabled);
2069 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2070 &mvm->nvm_hw_blob);
2071 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2072 &mvm->nvm_sw_blob);
2073 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2074 &mvm->nvm_calib_blob);
2075 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2076 &mvm->nvm_prod_blob);
2077 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2078 &mvm->nvm_phy_sku_blob);
2079 debugfs_create_blob("nvm_reg", S_IRUSR,
2080 mvm->debugfs_dir, &mvm->nvm_reg_blob);
2081
2082 debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops);
2083
2084
2085
2086
2087
2088 snprintf(buf, 100, "../../%pd2", dbgfs_dir->d_parent);
2089 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf);
2090}
2091
