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7#include <linux/vmalloc.h>
8#include <linux/err.h>
9#include <linux/ieee80211.h>
10#include <linux/netdevice.h>
11
12#include "mvm.h"
13#include "sta.h"
14#include "iwl-io.h"
15#include "debugfs.h"
16#include "iwl-modparams.h"
17#include "fw/error-dump.h"
18
19static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
20 char __user *user_buf,
21 size_t count, loff_t *ppos)
22{
23 struct iwl_mvm *mvm = file->private_data;
24 char buf[16];
25 int pos, budget;
26
27 if (!iwl_mvm_is_ctdp_supported(mvm))
28 return -EOPNOTSUPP;
29
30 if (!iwl_mvm_firmware_running(mvm) ||
31 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
32 return -EIO;
33
34 mutex_lock(&mvm->mutex);
35 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
36 mutex_unlock(&mvm->mutex);
37
38 if (budget < 0)
39 return budget;
40
41 pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
42
43 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
44}
45
46static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
47 size_t count, loff_t *ppos)
48{
49 int ret;
50
51 if (!iwl_mvm_is_ctdp_supported(mvm))
52 return -EOPNOTSUPP;
53
54 if (!iwl_mvm_firmware_running(mvm) ||
55 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
56 return -EIO;
57
58 mutex_lock(&mvm->mutex);
59 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
60 mutex_unlock(&mvm->mutex);
61
62 return ret ?: count;
63}
64
65static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
66 size_t count, loff_t *ppos)
67{
68 if (!iwl_mvm_firmware_running(mvm) ||
69 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
70 return -EIO;
71
72 iwl_mvm_enter_ctkill(mvm);
73
74 return count;
75}
76
77static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
78 size_t count, loff_t *ppos)
79{
80 int ret;
81 u32 flush_arg;
82
83 if (!iwl_mvm_firmware_running(mvm) ||
84 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
85 return -EIO;
86
87 if (kstrtou32(buf, 0, &flush_arg))
88 return -EINVAL;
89
90 if (iwl_mvm_has_new_tx_api(mvm)) {
91 IWL_DEBUG_TX_QUEUES(mvm,
92 "FLUSHING all tids queues on sta_id = %d\n",
93 flush_arg);
94 mutex_lock(&mvm->mutex);
95 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
96 ? : count;
97 mutex_unlock(&mvm->mutex);
98 return ret;
99 }
100
101 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
102 flush_arg);
103
104 mutex_lock(&mvm->mutex);
105 ret = iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
106 mutex_unlock(&mvm->mutex);
107
108 return ret;
109}
110
111static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
112 size_t count, loff_t *ppos)
113{
114 struct iwl_mvm_sta *mvmsta;
115 int sta_id, drain, ret;
116
117 if (!iwl_mvm_firmware_running(mvm) ||
118 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
119 return -EIO;
120
121 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
122 return -EINVAL;
123 if (sta_id < 0 || sta_id >= mvm->fw->ucode_capa.num_stations)
124 return -EINVAL;
125 if (drain < 0 || drain > 1)
126 return -EINVAL;
127
128 mutex_lock(&mvm->mutex);
129
130 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
131
132 if (!mvmsta)
133 ret = -ENOENT;
134 else
135 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
136
137 mutex_unlock(&mvm->mutex);
138
139 return ret;
140}
141
142static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
143 size_t count, loff_t *ppos)
144{
145 struct iwl_mvm *mvm = file->private_data;
146 const struct fw_img *img;
147 unsigned int ofs, len;
148 size_t ret;
149 u8 *ptr;
150
151 if (!iwl_mvm_firmware_running(mvm))
152 return -EINVAL;
153
154
155 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
156 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
157 len = img->sec[IWL_UCODE_SECTION_DATA].len;
158
159 if (mvm->dbgfs_sram_len) {
160 ofs = mvm->dbgfs_sram_offset;
161 len = mvm->dbgfs_sram_len;
162 }
163
164 ptr = kzalloc(len, GFP_KERNEL);
165 if (!ptr)
166 return -ENOMEM;
167
168 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
169
170 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
171
172 kfree(ptr);
173
174 return ret;
175}
176
177static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
178 size_t count, loff_t *ppos)
179{
180 const struct fw_img *img;
181 u32 offset, len;
182 u32 img_offset, img_len;
183
184 if (!iwl_mvm_firmware_running(mvm))
185 return -EINVAL;
186
187 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
188 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
189 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
190
191 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
192 if ((offset & 0x3) || (len & 0x3))
193 return -EINVAL;
194
195 if (offset + len > img_offset + img_len)
196 return -EINVAL;
197
198 mvm->dbgfs_sram_offset = offset;
199 mvm->dbgfs_sram_len = len;
200 } else {
201 mvm->dbgfs_sram_offset = 0;
202 mvm->dbgfs_sram_len = 0;
203 }
204
205 return count;
206}
207
208static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
209 char __user *user_buf,
210 size_t count, loff_t *ppos)
211{
212 struct iwl_mvm *mvm = file->private_data;
213 char buf[16];
214 int pos;
215
216 if (!mvm->temperature_test)
217 pos = scnprintf(buf , sizeof(buf), "disabled\n");
218 else
219 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
220
221 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
222}
223
224
225
226
227
228
229
230
231static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
232 char *buf, size_t count,
233 loff_t *ppos)
234{
235 int temperature;
236
237 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
238 return -EIO;
239
240 if (kstrtoint(buf, 10, &temperature))
241 return -EINVAL;
242
243 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
244 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
245 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
246 return -EINVAL;
247
248 mutex_lock(&mvm->mutex);
249 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
250 if (!mvm->temperature_test)
251 goto out;
252
253 mvm->temperature_test = false;
254
255
256
257
258 mvm->temperature = 0;
259 } else {
260 mvm->temperature_test = true;
261 mvm->temperature = temperature;
262 }
263 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
264 mvm->temperature_test ? "En" : "Dis" ,
265 mvm->temperature);
266
267 iwl_mvm_tt_handler(mvm);
268
269out:
270 mutex_unlock(&mvm->mutex);
271
272 return count;
273}
274
275static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
276 char __user *user_buf,
277 size_t count, loff_t *ppos)
278{
279 struct iwl_mvm *mvm = file->private_data;
280 char buf[16];
281 int pos, ret;
282 s32 temp;
283
284 if (!iwl_mvm_firmware_running(mvm))
285 return -EIO;
286
287 mutex_lock(&mvm->mutex);
288 ret = iwl_mvm_get_temp(mvm, &temp);
289 mutex_unlock(&mvm->mutex);
290
291 if (ret)
292 return -EIO;
293
294 pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
295
296 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
297}
298
299#ifdef CONFIG_ACPI
300static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
301 char __user *user_buf,
302 size_t count, loff_t *ppos)
303{
304 struct iwl_mvm *mvm = file->private_data;
305 char buf[256];
306 int pos = 0;
307 int bufsz = sizeof(buf);
308 int tbl_idx;
309
310 if (!iwl_mvm_firmware_running(mvm))
311 return -EIO;
312
313 mutex_lock(&mvm->mutex);
314 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
315 if (tbl_idx < 0) {
316 mutex_unlock(&mvm->mutex);
317 return tbl_idx;
318 }
319
320 if (!tbl_idx) {
321 pos = scnprintf(buf, bufsz,
322 "SAR geographic profile disabled\n");
323 } else {
324 pos += scnprintf(buf + pos, bufsz - pos,
325 "Use geographic profile %d\n", tbl_idx);
326 pos += scnprintf(buf + pos, bufsz - pos,
327 "2.4GHz:\n\tChain A offset: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n",
328 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
329 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
330 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
331 pos += scnprintf(buf + pos, bufsz - pos,
332 "5.2GHz:\n\tChain A offset: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n",
333 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
334 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
335 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
336 }
337 mutex_unlock(&mvm->mutex);
338
339 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
340}
341#endif
342
343static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
344 size_t count, loff_t *ppos)
345{
346 struct iwl_mvm *mvm = file->private_data;
347 struct ieee80211_sta *sta;
348 char buf[400];
349 int i, pos = 0, bufsz = sizeof(buf);
350
351 mutex_lock(&mvm->mutex);
352
353 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
354 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
355 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
356 lockdep_is_held(&mvm->mutex));
357 if (!sta)
358 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
359 else if (IS_ERR(sta))
360 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
361 PTR_ERR(sta));
362 else
363 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
364 sta->addr);
365 }
366
367 mutex_unlock(&mvm->mutex);
368
369 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
370}
371
372static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
373 size_t count, loff_t *ppos)
374{
375 struct ieee80211_sta *sta = file->private_data;
376 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
377 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
378 struct iwl_mvm *mvm = lq_sta->pers.drv;
379 static const size_t bufsz = 2048;
380 char *buff;
381 int desc = 0;
382 ssize_t ret;
383
384 buff = kmalloc(bufsz, GFP_KERNEL);
385 if (!buff)
386 return -ENOMEM;
387
388 mutex_lock(&mvm->mutex);
389
390 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
391 lq_sta->pers.sta_id);
392 desc += scnprintf(buff + desc, bufsz - desc,
393 "fixed rate 0x%X\n",
394 lq_sta->pers.dbg_fixed_rate);
395 desc += scnprintf(buff + desc, bufsz - desc,
396 "A-MPDU size limit %d\n",
397 lq_sta->pers.dbg_agg_frame_count_lim);
398 desc += scnprintf(buff + desc, bufsz - desc,
399 "valid_tx_ant %s%s\n",
400 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
401 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
402 desc += scnprintf(buff + desc, bufsz - desc,
403 "last tx rate=0x%X ",
404 lq_sta->last_rate_n_flags);
405
406 desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
407 lq_sta->last_rate_n_flags);
408 if (desc < bufsz - 1)
409 buff[desc++] = '\n';
410 mutex_unlock(&mvm->mutex);
411
412 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
413 kfree(buff);
414 return ret;
415}
416
417static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
418 char *buf, size_t count,
419 loff_t *ppos)
420{
421 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
422 int i;
423 u16 amsdu_len;
424
425 if (kstrtou16(buf, 0, &amsdu_len))
426 return -EINVAL;
427
428
429 if ((amsdu_len && mvmsta->orig_amsdu_len) ||
430 (!!amsdu_len && mvmsta->orig_amsdu_len))
431 return -EBUSY;
432
433 if (amsdu_len) {
434 mvmsta->orig_amsdu_len = sta->max_amsdu_len;
435 sta->max_amsdu_len = amsdu_len;
436 for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++)
437 sta->max_tid_amsdu_len[i] = amsdu_len;
438 } else {
439 sta->max_amsdu_len = mvmsta->orig_amsdu_len;
440 mvmsta->orig_amsdu_len = 0;
441 }
442 return count;
443}
444
445static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file,
446 char __user *user_buf,
447 size_t count, loff_t *ppos)
448{
449 struct ieee80211_sta *sta = file->private_data;
450 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
451
452 char buf[32];
453 int pos;
454
455 pos = scnprintf(buf, sizeof(buf), "current %d ", sta->max_amsdu_len);
456 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
457 mvmsta->orig_amsdu_len);
458
459 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
460}
461
462static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
463 char __user *user_buf,
464 size_t count, loff_t *ppos)
465{
466 struct iwl_mvm *mvm = file->private_data;
467 char buf[64];
468 int bufsz = sizeof(buf);
469 int pos = 0;
470
471 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
472 mvm->disable_power_off);
473 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
474 mvm->disable_power_off_d3);
475
476 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
477}
478
479static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
480 size_t count, loff_t *ppos)
481{
482 int ret, val;
483
484 if (!iwl_mvm_firmware_running(mvm))
485 return -EIO;
486
487 if (!strncmp("disable_power_off_d0=", buf, 21)) {
488 if (sscanf(buf + 21, "%d", &val) != 1)
489 return -EINVAL;
490 mvm->disable_power_off = val;
491 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
492 if (sscanf(buf + 21, "%d", &val) != 1)
493 return -EINVAL;
494 mvm->disable_power_off_d3 = val;
495 } else {
496 return -EINVAL;
497 }
498
499 mutex_lock(&mvm->mutex);
500 ret = iwl_mvm_power_update_device(mvm);
501 mutex_unlock(&mvm->mutex);
502
503 return ret ?: count;
504}
505
506static
507int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
508 int pos, int bufsz)
509{
510 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
511
512 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
513 BT_MBOX_PRINT(0, LE_PROF1, false);
514 BT_MBOX_PRINT(0, LE_PROF2, false);
515 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
516 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
517 BT_MBOX_PRINT(0, INBAND_S, false);
518 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
519 BT_MBOX_PRINT(0, LE_SCAN, false);
520 BT_MBOX_PRINT(0, LE_ADV, false);
521 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
522 BT_MBOX_PRINT(0, OPEN_CON_1, true);
523
524 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
525
526 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
527 BT_MBOX_PRINT(1, IP_SR, false);
528 BT_MBOX_PRINT(1, LE_MSTR, false);
529 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
530 BT_MBOX_PRINT(1, MSG_TYPE, false);
531 BT_MBOX_PRINT(1, SSN, true);
532
533 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
534
535 BT_MBOX_PRINT(2, SNIFF_ACT, false);
536 BT_MBOX_PRINT(2, PAG, false);
537 BT_MBOX_PRINT(2, INQUIRY, false);
538 BT_MBOX_PRINT(2, CONN, false);
539 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
540 BT_MBOX_PRINT(2, DISC, false);
541 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
542 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
543 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
544 BT_MBOX_PRINT(2, SCO_DURATION, true);
545
546 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
547
548 BT_MBOX_PRINT(3, SCO_STATE, false);
549 BT_MBOX_PRINT(3, SNIFF_STATE, false);
550 BT_MBOX_PRINT(3, A2DP_STATE, false);
551 BT_MBOX_PRINT(3, A2DP_SRC, false);
552 BT_MBOX_PRINT(3, ACL_STATE, false);
553 BT_MBOX_PRINT(3, MSTR_STATE, false);
554 BT_MBOX_PRINT(3, OBX_STATE, false);
555 BT_MBOX_PRINT(3, OPEN_CON_2, false);
556 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
557 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
558 BT_MBOX_PRINT(3, INBAND_P, false);
559 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
560 BT_MBOX_PRINT(3, SSN_2, false);
561 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
562
563 return pos;
564}
565
566static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
567 size_t count, loff_t *ppos)
568{
569 struct iwl_mvm *mvm = file->private_data;
570 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
571 char *buf;
572 int ret, pos = 0, bufsz = sizeof(char) * 1024;
573
574 buf = kmalloc(bufsz, GFP_KERNEL);
575 if (!buf)
576 return -ENOMEM;
577
578 mutex_lock(&mvm->mutex);
579
580 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
581
582 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
583 notif->bt_ci_compliance);
584 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
585 le32_to_cpu(notif->primary_ch_lut));
586 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
587 le32_to_cpu(notif->secondary_ch_lut));
588 pos += scnprintf(buf + pos,
589 bufsz - pos, "bt_activity_grading = %d\n",
590 le32_to_cpu(notif->bt_activity_grading));
591 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
592 notif->rrc_status & 0xF);
593 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
594 notif->ttc_status & 0xF);
595
596 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
597 IWL_MVM_BT_COEX_SYNC2SCO);
598 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
599 IWL_MVM_BT_COEX_MPLUT);
600
601 mutex_unlock(&mvm->mutex);
602
603 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
604 kfree(buf);
605
606 return ret;
607}
608#undef BT_MBOX_PRINT
609
610static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
611 size_t count, loff_t *ppos)
612{
613 struct iwl_mvm *mvm = file->private_data;
614 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
615 char buf[256];
616 int bufsz = sizeof(buf);
617 int pos = 0;
618
619 mutex_lock(&mvm->mutex);
620
621 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
622 pos += scnprintf(buf + pos, bufsz - pos,
623 "\tPrimary Channel Bitmap 0x%016llx\n",
624 le64_to_cpu(cmd->bt_primary_ci));
625 pos += scnprintf(buf + pos, bufsz - pos,
626 "\tSecondary Channel Bitmap 0x%016llx\n",
627 le64_to_cpu(cmd->bt_secondary_ci));
628
629 mutex_unlock(&mvm->mutex);
630
631 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
632}
633
634static ssize_t
635iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
636 size_t count, loff_t *ppos)
637{
638 u32 bt_tx_prio;
639
640 if (sscanf(buf, "%u", &bt_tx_prio) != 1)
641 return -EINVAL;
642 if (bt_tx_prio > 4)
643 return -EINVAL;
644
645 mvm->bt_tx_prio = bt_tx_prio;
646
647 return count;
648}
649
650static ssize_t
651iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
652 size_t count, loff_t *ppos)
653{
654 static const char * const modes_str[BT_FORCE_ANT_MAX] = {
655 [BT_FORCE_ANT_DIS] = "dis",
656 [BT_FORCE_ANT_AUTO] = "auto",
657 [BT_FORCE_ANT_BT] = "bt",
658 [BT_FORCE_ANT_WIFI] = "wifi",
659 };
660 int ret, bt_force_ant_mode;
661
662 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
663 if (ret < 0)
664 return ret;
665
666 bt_force_ant_mode = ret;
667 ret = 0;
668 mutex_lock(&mvm->mutex);
669 if (mvm->bt_force_ant_mode == bt_force_ant_mode)
670 goto out;
671
672 mvm->bt_force_ant_mode = bt_force_ant_mode;
673 IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
674 modes_str[mvm->bt_force_ant_mode]);
675
676 if (iwl_mvm_firmware_running(mvm))
677 ret = iwl_mvm_send_bt_init_conf(mvm);
678 else
679 ret = 0;
680
681out:
682 mutex_unlock(&mvm->mutex);
683 return ret ?: count;
684}
685
686static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
687 size_t count, loff_t *ppos)
688{
689 struct iwl_mvm *mvm = file->private_data;
690 char *buff, *pos, *endpos;
691 static const size_t bufsz = 1024;
692 int ret;
693
694 buff = kmalloc(bufsz, GFP_KERNEL);
695 if (!buff)
696 return -ENOMEM;
697
698 pos = buff;
699 endpos = pos + bufsz;
700
701 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
702 mvm->trans->cfg->fw_name_pre);
703 pos += scnprintf(pos, endpos - pos, "FW: %s\n",
704 mvm->fwrt.fw->human_readable);
705 pos += scnprintf(pos, endpos - pos, "Device: %s\n",
706 mvm->fwrt.trans->name);
707 pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
708 mvm->fwrt.dev->bus->name);
709
710 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
711 kfree(buff);
712
713 return ret;
714}
715
716static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
717 char __user *user_buf,
718 size_t count, loff_t *ppos)
719{
720 struct iwl_mvm *mvm = file->private_data;
721 char *buf;
722 size_t bufsz;
723 int pos;
724 ssize_t ret;
725
726 bufsz = mvm->fw->phy_integration_ver_len + 2;
727 buf = kmalloc(bufsz, GFP_KERNEL);
728 if (!buf)
729 return -ENOMEM;
730
731 pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
732 mvm->fw->phy_integration_ver);
733
734 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
735
736 kfree(buf);
737 return ret;
738}
739
740#define PRINT_STATS_LE32(_struct, _memb) \
741 pos += scnprintf(buf + pos, bufsz - pos, \
742 fmt_table, #_memb, \
743 le32_to_cpu(_struct->_memb))
744
745static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
746 char __user *user_buf, size_t count,
747 loff_t *ppos)
748{
749 struct iwl_mvm *mvm = file->private_data;
750 static const char *fmt_table = "\t%-30s %10u\n";
751 static const char *fmt_header = "%-32s\n";
752 int pos = 0;
753 char *buf;
754 int ret;
755 size_t bufsz;
756
757 if (iwl_mvm_has_new_rx_stats_api(mvm))
758 bufsz = ((sizeof(struct mvm_statistics_rx) /
759 sizeof(__le32)) * 43) + (4 * 33) + 1;
760 else
761
762 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
763 sizeof(__le32)) * 43) + (4 * 33) + 1;
764
765 buf = kzalloc(bufsz, GFP_KERNEL);
766 if (!buf)
767 return -ENOMEM;
768
769 mutex_lock(&mvm->mutex);
770
771 if (iwl_mvm_firmware_running(mvm))
772 iwl_mvm_request_statistics(mvm, false);
773
774 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
775 "Statistics_Rx - OFDM");
776 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
777 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
778
779 PRINT_STATS_LE32(ofdm, ina_cnt);
780 PRINT_STATS_LE32(ofdm, fina_cnt);
781 PRINT_STATS_LE32(ofdm, plcp_err);
782 PRINT_STATS_LE32(ofdm, crc32_err);
783 PRINT_STATS_LE32(ofdm, overrun_err);
784 PRINT_STATS_LE32(ofdm, early_overrun_err);
785 PRINT_STATS_LE32(ofdm, crc32_good);
786 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
787 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
788 PRINT_STATS_LE32(ofdm, sfd_timeout);
789 PRINT_STATS_LE32(ofdm, fina_timeout);
790 PRINT_STATS_LE32(ofdm, unresponded_rts);
791 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
792 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
793 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
794 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
795 PRINT_STATS_LE32(ofdm, dsp_self_kill);
796 PRINT_STATS_LE32(ofdm, mh_format_err);
797 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
798 PRINT_STATS_LE32(ofdm, reserved);
799 } else {
800 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
801
802 PRINT_STATS_LE32(ofdm, unresponded_rts);
803 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
804 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
805 PRINT_STATS_LE32(ofdm, dsp_self_kill);
806 PRINT_STATS_LE32(ofdm, reserved);
807 }
808
809 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
810 "Statistics_Rx - CCK");
811 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
812 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
813
814 PRINT_STATS_LE32(cck, ina_cnt);
815 PRINT_STATS_LE32(cck, fina_cnt);
816 PRINT_STATS_LE32(cck, plcp_err);
817 PRINT_STATS_LE32(cck, crc32_err);
818 PRINT_STATS_LE32(cck, overrun_err);
819 PRINT_STATS_LE32(cck, early_overrun_err);
820 PRINT_STATS_LE32(cck, crc32_good);
821 PRINT_STATS_LE32(cck, false_alarm_cnt);
822 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
823 PRINT_STATS_LE32(cck, sfd_timeout);
824 PRINT_STATS_LE32(cck, fina_timeout);
825 PRINT_STATS_LE32(cck, unresponded_rts);
826 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
827 PRINT_STATS_LE32(cck, sent_ack_cnt);
828 PRINT_STATS_LE32(cck, sent_cts_cnt);
829 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
830 PRINT_STATS_LE32(cck, dsp_self_kill);
831 PRINT_STATS_LE32(cck, mh_format_err);
832 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
833 PRINT_STATS_LE32(cck, reserved);
834 } else {
835 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
836
837 PRINT_STATS_LE32(cck, unresponded_rts);
838 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
839 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
840 PRINT_STATS_LE32(cck, dsp_self_kill);
841 PRINT_STATS_LE32(cck, reserved);
842 }
843
844 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
845 "Statistics_Rx - GENERAL");
846 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
847 struct mvm_statistics_rx_non_phy_v3 *general =
848 &mvm->rx_stats_v3.general;
849
850 PRINT_STATS_LE32(general, bogus_cts);
851 PRINT_STATS_LE32(general, bogus_ack);
852 PRINT_STATS_LE32(general, non_bssid_frames);
853 PRINT_STATS_LE32(general, filtered_frames);
854 PRINT_STATS_LE32(general, non_channel_beacons);
855 PRINT_STATS_LE32(general, channel_beacons);
856 PRINT_STATS_LE32(general, num_missed_bcon);
857 PRINT_STATS_LE32(general, adc_rx_saturation_time);
858 PRINT_STATS_LE32(general, ina_detection_search_time);
859 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
860 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
861 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
862 PRINT_STATS_LE32(general, interference_data_flag);
863 PRINT_STATS_LE32(general, channel_load);
864 PRINT_STATS_LE32(general, dsp_false_alarms);
865 PRINT_STATS_LE32(general, beacon_rssi_a);
866 PRINT_STATS_LE32(general, beacon_rssi_b);
867 PRINT_STATS_LE32(general, beacon_rssi_c);
868 PRINT_STATS_LE32(general, beacon_energy_a);
869 PRINT_STATS_LE32(general, beacon_energy_b);
870 PRINT_STATS_LE32(general, beacon_energy_c);
871 PRINT_STATS_LE32(general, num_bt_kills);
872 PRINT_STATS_LE32(general, mac_id);
873 PRINT_STATS_LE32(general, directed_data_mpdu);
874 } else {
875 struct mvm_statistics_rx_non_phy *general =
876 &mvm->rx_stats.general;
877
878 PRINT_STATS_LE32(general, bogus_cts);
879 PRINT_STATS_LE32(general, bogus_ack);
880 PRINT_STATS_LE32(general, non_channel_beacons);
881 PRINT_STATS_LE32(general, channel_beacons);
882 PRINT_STATS_LE32(general, num_missed_bcon);
883 PRINT_STATS_LE32(general, adc_rx_saturation_time);
884 PRINT_STATS_LE32(general, ina_detection_search_time);
885 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
886 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
887 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
888 PRINT_STATS_LE32(general, interference_data_flag);
889 PRINT_STATS_LE32(general, channel_load);
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 }
899
900 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
901 "Statistics_Rx - HT");
902 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
903 struct mvm_statistics_rx_ht_phy_v1 *ht =
904 &mvm->rx_stats_v3.ofdm_ht;
905
906 PRINT_STATS_LE32(ht, plcp_err);
907 PRINT_STATS_LE32(ht, overrun_err);
908 PRINT_STATS_LE32(ht, early_overrun_err);
909 PRINT_STATS_LE32(ht, crc32_good);
910 PRINT_STATS_LE32(ht, crc32_err);
911 PRINT_STATS_LE32(ht, mh_format_err);
912 PRINT_STATS_LE32(ht, agg_crc32_good);
913 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
914 PRINT_STATS_LE32(ht, agg_cnt);
915 PRINT_STATS_LE32(ht, unsupport_mcs);
916 } else {
917 struct mvm_statistics_rx_ht_phy *ht =
918 &mvm->rx_stats.ofdm_ht;
919
920 PRINT_STATS_LE32(ht, mh_format_err);
921 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
922 PRINT_STATS_LE32(ht, agg_cnt);
923 PRINT_STATS_LE32(ht, unsupport_mcs);
924 }
925
926 mutex_unlock(&mvm->mutex);
927
928 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
929 kfree(buf);
930
931 return ret;
932}
933#undef PRINT_STAT_LE32
934
935static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
936 char __user *user_buf, size_t count,
937 loff_t *ppos,
938 struct iwl_mvm_frame_stats *stats)
939{
940 char *buff, *pos, *endpos;
941 int idx, i;
942 int ret;
943 static const size_t bufsz = 1024;
944
945 buff = kmalloc(bufsz, GFP_KERNEL);
946 if (!buff)
947 return -ENOMEM;
948
949 spin_lock_bh(&mvm->drv_stats_lock);
950
951 pos = buff;
952 endpos = pos + bufsz;
953
954 pos += scnprintf(pos, endpos - pos,
955 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
956 stats->legacy_frames,
957 stats->ht_frames,
958 stats->vht_frames);
959 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
960 stats->bw_20_frames,
961 stats->bw_40_frames,
962 stats->bw_80_frames);
963 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
964 stats->ngi_frames,
965 stats->sgi_frames);
966 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
967 stats->siso_frames,
968 stats->mimo2_frames);
969 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
970 stats->fail_frames,
971 stats->success_frames);
972 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
973 stats->agg_frames);
974 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
975 stats->ampdu_count);
976 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
977 stats->ampdu_count > 0 ?
978 (stats->agg_frames / stats->ampdu_count) : 0);
979
980 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
981
982 idx = stats->last_frame_idx - 1;
983 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
984 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
985 if (stats->last_rates[idx] == 0)
986 continue;
987 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
988 (int)(ARRAY_SIZE(stats->last_rates) - i));
989 pos += rs_pretty_print_rate_v1(pos, endpos - pos,
990 stats->last_rates[idx]);
991 if (pos < endpos - 1)
992 *pos++ = '\n';
993 }
994 spin_unlock_bh(&mvm->drv_stats_lock);
995
996 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
997 kfree(buff);
998
999 return ret;
1000}
1001
1002static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1003 char __user *user_buf, size_t count,
1004 loff_t *ppos)
1005{
1006 struct iwl_mvm *mvm = file->private_data;
1007
1008 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1009 &mvm->drv_rx_stats);
1010}
1011
1012static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1013 size_t count, loff_t *ppos)
1014{
1015 int __maybe_unused ret;
1016
1017 if (!iwl_mvm_firmware_running(mvm))
1018 return -EIO;
1019
1020 mutex_lock(&mvm->mutex);
1021
1022
1023 if (mvm->fw_restart >= 0)
1024 mvm->fw_restart++;
1025
1026 if (count == 6 && !strcmp(buf, "nolog\n")) {
1027 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1028 set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status);
1029 }
1030
1031
1032 ret = iwl_mvm_send_cmd_pdu(mvm,
1033 WIDE_ID(LONG_GROUP, REPLY_ERROR),
1034 0, 0, NULL);
1035
1036 mutex_unlock(&mvm->mutex);
1037
1038 return count;
1039}
1040
1041static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1042 size_t count, loff_t *ppos)
1043{
1044 if (!iwl_mvm_firmware_running(mvm))
1045 return -EIO;
1046
1047 if (count == 6 && !strcmp(buf, "nolog\n"))
1048 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1049
1050 iwl_force_nmi(mvm->trans);
1051
1052 return count;
1053}
1054
1055static ssize_t
1056iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1057 char __user *user_buf,
1058 size_t count, loff_t *ppos)
1059{
1060 struct iwl_mvm *mvm = file->private_data;
1061 int pos = 0;
1062 char buf[32];
1063 const size_t bufsz = sizeof(buf);
1064
1065
1066 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1067 if (mvm->scan_rx_ant & ANT_A)
1068 pos += scnprintf(buf + pos, bufsz - pos, "A");
1069 if (mvm->scan_rx_ant & ANT_B)
1070 pos += scnprintf(buf + pos, bufsz - pos, "B");
1071 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
1072
1073 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1074}
1075
1076static ssize_t
1077iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1078 size_t count, loff_t *ppos)
1079{
1080 u8 scan_rx_ant;
1081
1082 if (!iwl_mvm_firmware_running(mvm))
1083 return -EIO;
1084
1085 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1086 return -EINVAL;
1087 if (scan_rx_ant > ANT_ABC)
1088 return -EINVAL;
1089 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1090 return -EINVAL;
1091
1092 if (mvm->scan_rx_ant != scan_rx_ant) {
1093 mvm->scan_rx_ant = scan_rx_ant;
1094 if (fw_has_capa(&mvm->fw->ucode_capa,
1095 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1096 iwl_mvm_config_scan(mvm);
1097 }
1098
1099 return count;
1100}
1101
1102static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1103 char *buf, size_t count,
1104 loff_t *ppos)
1105{
1106 struct iwl_rss_config_cmd cmd = {
1107 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1108 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1109 IWL_RSS_HASH_TYPE_IPV4_UDP |
1110 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1111 IWL_RSS_HASH_TYPE_IPV6_TCP |
1112 IWL_RSS_HASH_TYPE_IPV6_UDP |
1113 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1114 };
1115 int ret, i, num_repeats, nbytes = count / 2;
1116
1117 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1118 if (ret)
1119 return ret;
1120
1121
1122
1123
1124
1125
1126
1127
1128 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1129 for (i = 1; i < num_repeats; i++)
1130 memcpy(&cmd.indirection_table[i * nbytes],
1131 cmd.indirection_table, nbytes);
1132
1133 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1134 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1135
1136 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1137
1138 mutex_lock(&mvm->mutex);
1139 if (iwl_mvm_firmware_running(mvm))
1140 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1141 sizeof(cmd), &cmd);
1142 else
1143 ret = 0;
1144 mutex_unlock(&mvm->mutex);
1145
1146 return ret ?: count;
1147}
1148
1149static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1150 char *buf, size_t count,
1151 loff_t *ppos)
1152{
1153 struct iwl_op_mode *opmode = container_of((void *)mvm,
1154 struct iwl_op_mode,
1155 op_mode_specific);
1156 struct iwl_rx_cmd_buffer rxb = {
1157 ._rx_page_order = 0,
1158 .truesize = 0,
1159 ._offset = 0,
1160 };
1161 struct iwl_rx_packet *pkt;
1162 int bin_len = count / 2;
1163 int ret = -EINVAL;
1164
1165 if (!iwl_mvm_firmware_running(mvm))
1166 return -EIO;
1167
1168
1169 if (!mvm->trans->trans_cfg->mq_rx_supported)
1170 return -ENOTSUPP;
1171
1172 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1173 if (!rxb._page)
1174 return -ENOMEM;
1175 pkt = rxb_addr(&rxb);
1176
1177 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1178 if (ret)
1179 goto out;
1180
1181
1182 if (bin_len < sizeof(*pkt) ||
1183 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1184 goto out;
1185
1186 local_bh_disable();
1187 iwl_mvm_rx_mq(opmode, NULL, &rxb);
1188 local_bh_enable();
1189 ret = 0;
1190
1191out:
1192 iwl_free_rxb(&rxb);
1193
1194 return ret ?: count;
1195}
1196
1197static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1198{
1199 struct ieee80211_vif *vif;
1200 struct iwl_mvm_vif *mvmvif;
1201 struct sk_buff *beacon;
1202 struct ieee80211_tx_info *info;
1203 struct iwl_mac_beacon_cmd beacon_cmd = {};
1204 u8 rate;
1205 int i;
1206
1207 len /= 2;
1208
1209
1210 if (len >= U8_MAX)
1211 return -EINVAL;
1212
1213 if (!iwl_mvm_firmware_running(mvm))
1214 return -EIO;
1215
1216 if (!iwl_mvm_has_new_tx_api(mvm) &&
1217 !fw_has_api(&mvm->fw->ucode_capa,
1218 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1219 return -EINVAL;
1220
1221 mutex_lock(&mvm->mutex);
1222
1223 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1224 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1225 if (!vif)
1226 continue;
1227
1228 if (vif->type == NL80211_IFTYPE_AP)
1229 break;
1230 }
1231
1232 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1233 goto out_err;
1234
1235 mvm->hw->extra_beacon_tailroom = len;
1236
1237 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL);
1238 if (!beacon)
1239 goto out_err;
1240
1241 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1242 dev_kfree_skb(beacon);
1243 goto out_err;
1244 }
1245
1246 mvm->beacon_inject_active = true;
1247
1248 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1249 info = IEEE80211_SKB_CB(beacon);
1250 rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
1251
1252 beacon_cmd.flags =
1253 cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate));
1254 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1255 beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
1256
1257 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1258 &beacon_cmd.tim_size,
1259 beacon->data, beacon->len);
1260
1261 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1262 sizeof(beacon_cmd));
1263 mutex_unlock(&mvm->mutex);
1264
1265 dev_kfree_skb(beacon);
1266
1267 return 0;
1268
1269out_err:
1270 mutex_unlock(&mvm->mutex);
1271 return -EINVAL;
1272}
1273
1274static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1275 char *buf, size_t count,
1276 loff_t *ppos)
1277{
1278 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1279
1280 mvm->hw->extra_beacon_tailroom = 0;
1281 return ret ?: count;
1282}
1283
1284static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1285 char *buf,
1286 size_t count,
1287 loff_t *ppos)
1288{
1289 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1290
1291 mvm->hw->extra_beacon_tailroom = 0;
1292 mvm->beacon_inject_active = false;
1293 return ret ?: count;
1294}
1295
1296static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1297 char __user *user_buf,
1298 size_t count, loff_t *ppos)
1299{
1300 struct iwl_mvm *mvm = file->private_data;
1301 int conf;
1302 char buf[8];
1303 const size_t bufsz = sizeof(buf);
1304 int pos = 0;
1305
1306 mutex_lock(&mvm->mutex);
1307 conf = mvm->fwrt.dump.conf;
1308 mutex_unlock(&mvm->mutex);
1309
1310 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1311
1312 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1313}
1314
1315static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1316 char *buf, size_t count,
1317 loff_t *ppos)
1318{
1319 unsigned int conf_id;
1320 int ret;
1321
1322 if (!iwl_mvm_firmware_running(mvm))
1323 return -EIO;
1324
1325 ret = kstrtouint(buf, 0, &conf_id);
1326 if (ret)
1327 return ret;
1328
1329 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1330 return -EINVAL;
1331
1332 mutex_lock(&mvm->mutex);
1333 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1334 mutex_unlock(&mvm->mutex);
1335
1336 return ret ?: count;
1337}
1338
1339static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1340 char *buf, size_t count,
1341 loff_t *ppos)
1342{
1343 if (count == 0)
1344 return 0;
1345
1346 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
1347 NULL);
1348
1349 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1350 (count - 1), NULL);
1351
1352 return count;
1353}
1354
1355static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1356 char *buf, size_t count,
1357 loff_t *ppos)
1358{
1359 u32 timepoint;
1360
1361 if (kstrtou32(buf, 0, &timepoint))
1362 return -EINVAL;
1363
1364 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1365 timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1366 return -EINVAL;
1367
1368 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1369
1370 return count;
1371}
1372
1373#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1374 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1375#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1376 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1377#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1378 debugfs_create_file(alias, mode, parent, mvm, \
1379 &iwl_dbgfs_##name##_ops); \
1380 } while (0)
1381#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1382 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1383
1384#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
1385 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1386#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
1387 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1388
1389#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
1390 debugfs_create_file(alias, mode, parent, sta, \
1391 &iwl_dbgfs_##name##_ops); \
1392 } while (0)
1393#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
1394 MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
1395
1396static ssize_t
1397iwl_dbgfs_prph_reg_read(struct file *file,
1398 char __user *user_buf,
1399 size_t count, loff_t *ppos)
1400{
1401 struct iwl_mvm *mvm = file->private_data;
1402 int pos = 0;
1403 char buf[32];
1404 const size_t bufsz = sizeof(buf);
1405
1406 if (!mvm->dbgfs_prph_reg_addr)
1407 return -EINVAL;
1408
1409 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1410 mvm->dbgfs_prph_reg_addr,
1411 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1412
1413 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1414}
1415
1416static ssize_t
1417iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1418 size_t count, loff_t *ppos)
1419{
1420 u8 args;
1421 u32 value;
1422
1423 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1424
1425 if (args == 1)
1426 goto out;
1427
1428
1429 if (args != 2)
1430 return -EINVAL;
1431
1432 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1433
1434out:
1435 return count;
1436}
1437
1438static ssize_t
1439iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1440 size_t count, loff_t *ppos)
1441{
1442 int ret;
1443
1444 if (!iwl_mvm_firmware_running(mvm))
1445 return -EIO;
1446
1447 mutex_lock(&mvm->mutex);
1448 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1449 mutex_unlock(&mvm->mutex);
1450
1451 return ret ?: count;
1452}
1453
1454struct iwl_mvm_sniffer_apply {
1455 struct iwl_mvm *mvm;
1456 u8 *bssid;
1457 u16 aid;
1458};
1459
1460static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1461 struct iwl_rx_packet *pkt, void *data)
1462{
1463 struct iwl_mvm_sniffer_apply *apply = data;
1464
1465 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1466 memcpy(apply->mvm->cur_bssid, apply->bssid,
1467 sizeof(apply->mvm->cur_bssid));
1468
1469 return true;
1470}
1471
1472static ssize_t
1473iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1474 size_t count, loff_t *ppos)
1475{
1476 struct iwl_notification_wait wait;
1477 struct iwl_he_monitor_cmd he_mon_cmd = {};
1478 struct iwl_mvm_sniffer_apply apply = {
1479 .mvm = mvm,
1480 };
1481 u16 wait_cmds[] = {
1482 iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0),
1483 };
1484 u32 aid;
1485 int ret;
1486
1487 if (!iwl_mvm_firmware_running(mvm))
1488 return -EIO;
1489
1490 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1491 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1492 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1493 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1494 if (ret != 7)
1495 return -EINVAL;
1496
1497 he_mon_cmd.aid = cpu_to_le16(aid);
1498
1499 apply.aid = aid;
1500 apply.bssid = (void *)he_mon_cmd.bssid;
1501
1502 mutex_lock(&mvm->mutex);
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513 iwl_init_notification_wait(&mvm->notif_wait, &wait,
1514 wait_cmds, ARRAY_SIZE(wait_cmds),
1515 iwl_mvm_sniffer_apply, &apply);
1516
1517 ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD,
1518 DATA_PATH_GROUP, 0), 0,
1519 sizeof(he_mon_cmd), &he_mon_cmd);
1520
1521
1522 iwl_remove_notification(&mvm->notif_wait, &wait);
1523
1524 mutex_unlock(&mvm->mutex);
1525
1526 return ret ?: count;
1527}
1528
1529static ssize_t
1530iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1531 size_t count, loff_t *ppos)
1532{
1533 struct iwl_mvm *mvm = file->private_data;
1534 u8 buf[32];
1535 int len;
1536
1537 len = scnprintf(buf, sizeof(buf),
1538 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1539 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1540 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1541 mvm->cur_bssid[4], mvm->cur_bssid[5]);
1542
1543 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1544}
1545
1546static ssize_t
1547iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1548 size_t count, loff_t *ppos)
1549{
1550 struct iwl_mvm *mvm = file->private_data;
1551 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1552 unsigned int pos = 0;
1553 size_t bufsz = sizeof(buf);
1554 int i;
1555
1556 mutex_lock(&mvm->mutex);
1557
1558 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1559 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1560 mvm->uapsd_noagg_bssids[i].addr);
1561
1562 mutex_unlock(&mvm->mutex);
1563
1564 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1565}
1566
1567static ssize_t
1568iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1569 char *buf, size_t count, loff_t *ppos)
1570{
1571 int ret;
1572 struct iwl_ltr_config_cmd ltr_config = {0};
1573
1574 if (!iwl_mvm_firmware_running(mvm))
1575 return -EIO;
1576
1577 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1578 <r_config.flags,
1579 <r_config.static_long,
1580 <r_config.static_short,
1581 <r_config.ltr_cfg_values[0],
1582 <r_config.ltr_cfg_values[1],
1583 <r_config.ltr_cfg_values[2],
1584 <r_config.ltr_cfg_values[3]) != 7) {
1585 return -EINVAL;
1586 }
1587
1588 mutex_lock(&mvm->mutex);
1589 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1590 <r_config);
1591 mutex_unlock(&mvm->mutex);
1592
1593 if (ret)
1594 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1595
1596 return ret ?: count;
1597}
1598
1599static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
1600 size_t count, loff_t *ppos)
1601{
1602 int ret = 0;
1603 u16 op_id;
1604
1605 if (kstrtou16(buf, 10, &op_id))
1606 return -EINVAL;
1607
1608
1609 if (!op_id) {
1610 mutex_lock(&mvm->mutex);
1611 ret = iwl_rfi_send_config_cmd(mvm, NULL);
1612 mutex_unlock(&mvm->mutex);
1613 } else {
1614 ret = -EOPNOTSUPP;
1615 }
1616
1617 return ret ?: count;
1618}
1619
1620
1621
1622
1623
1624
1625#define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
1626 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
1627
1628static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
1629 char __user *user_buf,
1630 size_t count, loff_t *ppos)
1631{
1632 struct iwl_mvm *mvm = file->private_data;
1633 struct iwl_rfi_freq_table_resp_cmd *resp;
1634 u32 status;
1635 char buf[IWL_RFI_BUF_SIZE];
1636 int i, j, pos = 0;
1637
1638 resp = iwl_rfi_get_freq_table(mvm);
1639 if (IS_ERR(resp))
1640 return PTR_ERR(resp);
1641
1642 status = le32_to_cpu(resp->status);
1643 if (status != RFI_FREQ_TABLE_OK) {
1644 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
1645 goto out;
1646 }
1647
1648 for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
1649 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
1650 resp->table[i].freq);
1651
1652 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
1653 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
1654 "(%d, %d) ",
1655 resp->table[i].channels[j],
1656 resp->table[i].bands[j]);
1657 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
1658 }
1659
1660out:
1661 kfree(resp);
1662 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1663}
1664
1665MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1666
1667
1668MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1669MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1670MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1671MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1672MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1673MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1674MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1675MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1676MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1677MVM_DEBUGFS_READ_FILE_OPS(stations);
1678MVM_DEBUGFS_READ_FILE_OPS(rs_data);
1679MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1680MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1681MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1682MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1683MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1684MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
1685MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
1686MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1687MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1688MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1689MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1690MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1691MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1692MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1693MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
1694MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1695 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1696MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1697MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1698MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1699
1700MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1701
1702#ifdef CONFIG_ACPI
1703MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1704#endif
1705
1706MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
1707
1708MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1709
1710MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1711MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
1712
1713static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1714 size_t count, loff_t *ppos)
1715{
1716 struct iwl_mvm *mvm = file->private_data;
1717 struct iwl_dbg_mem_access_cmd cmd = {};
1718 struct iwl_dbg_mem_access_rsp *rsp;
1719 struct iwl_host_cmd hcmd = {
1720 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1721 .data = { &cmd, },
1722 .len = { sizeof(cmd) },
1723 };
1724 size_t delta;
1725 ssize_t ret, len;
1726
1727 if (!iwl_mvm_firmware_running(mvm))
1728 return -EIO;
1729
1730 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1731 DEBUG_GROUP, 0);
1732 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1733
1734
1735 delta = *ppos & 0x3;
1736 cmd.addr = cpu_to_le32(*ppos - delta);
1737 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1738 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1739
1740 mutex_lock(&mvm->mutex);
1741 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1742 mutex_unlock(&mvm->mutex);
1743
1744 if (ret < 0)
1745 return ret;
1746
1747 rsp = (void *)hcmd.resp_pkt->data;
1748 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1749 ret = -ENXIO;
1750 goto out;
1751 }
1752
1753 len = min((size_t)le32_to_cpu(rsp->len) << 2,
1754 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
1755 len = min(len - delta, count);
1756 if (len < 0) {
1757 ret = -EFAULT;
1758 goto out;
1759 }
1760
1761 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len);
1762 *ppos += ret;
1763
1764out:
1765 iwl_free_resp(&hcmd);
1766 return ret;
1767}
1768
1769static ssize_t iwl_dbgfs_mem_write(struct file *file,
1770 const char __user *user_buf, size_t count,
1771 loff_t *ppos)
1772{
1773 struct iwl_mvm *mvm = file->private_data;
1774 struct iwl_dbg_mem_access_cmd *cmd;
1775 struct iwl_dbg_mem_access_rsp *rsp;
1776 struct iwl_host_cmd hcmd = {};
1777 size_t cmd_size;
1778 size_t data_size;
1779 u32 op, len;
1780 ssize_t ret;
1781
1782 if (!iwl_mvm_firmware_running(mvm))
1783 return -EIO;
1784
1785 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1786 DEBUG_GROUP, 0);
1787
1788 if (*ppos & 0x3 || count < 4) {
1789 op = DEBUG_MEM_OP_WRITE_BYTES;
1790 len = min(count, (size_t)(4 - (*ppos & 0x3)));
1791 data_size = len;
1792 } else {
1793 op = DEBUG_MEM_OP_WRITE;
1794 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
1795 data_size = len << 2;
1796 }
1797
1798 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
1799 cmd = kzalloc(cmd_size, GFP_KERNEL);
1800 if (!cmd)
1801 return -ENOMEM;
1802
1803 cmd->op = cpu_to_le32(op);
1804 cmd->len = cpu_to_le32(len);
1805 cmd->addr = cpu_to_le32(*ppos);
1806 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
1807 kfree(cmd);
1808 return -EFAULT;
1809 }
1810
1811 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1812 hcmd.data[0] = (void *)cmd;
1813 hcmd.len[0] = cmd_size;
1814
1815 mutex_lock(&mvm->mutex);
1816 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1817 mutex_unlock(&mvm->mutex);
1818
1819 kfree(cmd);
1820
1821 if (ret < 0)
1822 return ret;
1823
1824 rsp = (void *)hcmd.resp_pkt->data;
1825 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
1826 ret = -ENXIO;
1827 goto out;
1828 }
1829
1830 ret = data_size;
1831 *ppos += ret;
1832
1833out:
1834 iwl_free_resp(&hcmd);
1835 return ret;
1836}
1837
1838static const struct file_operations iwl_dbgfs_mem_ops = {
1839 .read = iwl_dbgfs_mem_read,
1840 .write = iwl_dbgfs_mem_write,
1841 .open = simple_open,
1842 .llseek = default_llseek,
1843};
1844
1845void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
1846 struct ieee80211_vif *vif,
1847 struct ieee80211_sta *sta,
1848 struct dentry *dir)
1849{
1850 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1851
1852 if (iwl_mvm_has_tlc_offload(mvm)) {
1853 MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
1854 }
1855 MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600);
1856}
1857
1858void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
1859{
1860 struct dentry *bcast_dir __maybe_unused;
1861
1862 spin_lock_init(&mvm->drv_stats_lock);
1863
1864 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
1865 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
1866 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
1867 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
1868 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
1869 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
1870 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
1871 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
1872 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
1873 MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400);
1874 MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400);
1875 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
1876 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
1877 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
1878 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
1879 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
1880 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
1881 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
1882 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
1883 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
1884 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
1885 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
1886 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
1887 MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
1888 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
1889 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
1890 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
1891 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
1892 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
1893 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
1894
1895 if (mvm->fw->phy_integration_ver)
1896 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
1897#ifdef CONFIG_ACPI
1898 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
1899#endif
1900 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
1901
1902 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1903 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
1904
1905 debugfs_create_bool("enable_scan_iteration_notif", 0600,
1906 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
1907 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
1908 &mvm->drop_bcn_ap_mode);
1909
1910 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
1911
1912#ifdef CONFIG_PM_SLEEP
1913 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
1914 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
1915 &mvm->d3_wake_sysassert);
1916 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
1917 &mvm->last_netdetect_scans);
1918#endif
1919
1920 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
1921 &mvm->ps_disabled);
1922 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
1923 &mvm->nvm_hw_blob);
1924 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
1925 &mvm->nvm_sw_blob);
1926 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
1927 &mvm->nvm_calib_blob);
1928 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
1929 &mvm->nvm_prod_blob);
1930 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
1931 &mvm->nvm_phy_sku_blob);
1932 debugfs_create_blob("nvm_reg", S_IRUSR,
1933 mvm->debugfs_dir, &mvm->nvm_reg_blob);
1934
1935 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
1936 &iwl_dbgfs_mem_ops);
1937
1938
1939
1940
1941
1942 if (!IS_ERR(mvm->debugfs_dir)) {
1943 char buf[100];
1944
1945 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
1946 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir,
1947 buf);
1948 }
1949}
1950
