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6
7#include <linux/vmalloc.h>
8#include <linux/ieee80211.h>
9#include <linux/netdevice.h>
10
11#include "mvm.h"
12#include "sta.h"
13#include "iwl-io.h"
14#include "debugfs.h"
15#include "iwl-modparams.h"
16#include "fw/error-dump.h"
17
18static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
19 char __user *user_buf,
20 size_t count, loff_t *ppos)
21{
22 struct iwl_mvm *mvm = file->private_data;
23 char buf[16];
24 int pos, budget;
25
26 if (!iwl_mvm_is_ctdp_supported(mvm))
27 return -EOPNOTSUPP;
28
29 if (!iwl_mvm_firmware_running(mvm) ||
30 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
31 return -EIO;
32
33 mutex_lock(&mvm->mutex);
34 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
35 mutex_unlock(&mvm->mutex);
36
37 if (budget < 0)
38 return budget;
39
40 pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
41
42 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
43}
44
45static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
46 size_t count, loff_t *ppos)
47{
48 int ret;
49
50 if (!iwl_mvm_is_ctdp_supported(mvm))
51 return -EOPNOTSUPP;
52
53 if (!iwl_mvm_firmware_running(mvm) ||
54 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
55 return -EIO;
56
57 mutex_lock(&mvm->mutex);
58 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
59 mutex_unlock(&mvm->mutex);
60
61 return ret ?: count;
62}
63
64static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
65 size_t count, loff_t *ppos)
66{
67 if (!iwl_mvm_firmware_running(mvm) ||
68 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
69 return -EIO;
70
71 iwl_mvm_enter_ctkill(mvm);
72
73 return count;
74}
75
76static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
77 size_t count, loff_t *ppos)
78{
79 int ret;
80 u32 flush_arg;
81
82 if (!iwl_mvm_firmware_running(mvm) ||
83 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
84 return -EIO;
85
86 if (kstrtou32(buf, 0, &flush_arg))
87 return -EINVAL;
88
89 if (iwl_mvm_has_new_tx_api(mvm)) {
90 IWL_DEBUG_TX_QUEUES(mvm,
91 "FLUSHING all tids queues on sta_id = %d\n",
92 flush_arg);
93 mutex_lock(&mvm->mutex);
94 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
95 ? : count;
96 mutex_unlock(&mvm->mutex);
97 return ret;
98 }
99
100 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
101 flush_arg);
102
103 mutex_lock(&mvm->mutex);
104 ret = iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
105 mutex_unlock(&mvm->mutex);
106
107 return ret;
108}
109
110static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
111 size_t count, loff_t *ppos)
112{
113 struct iwl_mvm_sta *mvmsta;
114 int sta_id, drain, ret;
115
116 if (!iwl_mvm_firmware_running(mvm) ||
117 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
118 return -EIO;
119
120 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
121 return -EINVAL;
122 if (sta_id < 0 || sta_id >= mvm->fw->ucode_capa.num_stations)
123 return -EINVAL;
124 if (drain < 0 || drain > 1)
125 return -EINVAL;
126
127 mutex_lock(&mvm->mutex);
128
129 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
130
131 if (!mvmsta)
132 ret = -ENOENT;
133 else
134 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
135
136 mutex_unlock(&mvm->mutex);
137
138 return ret;
139}
140
141static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
142 size_t count, loff_t *ppos)
143{
144 struct iwl_mvm *mvm = file->private_data;
145 const struct fw_img *img;
146 unsigned int ofs, len;
147 size_t ret;
148 u8 *ptr;
149
150 if (!iwl_mvm_firmware_running(mvm))
151 return -EINVAL;
152
153
154 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
155 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
156 len = img->sec[IWL_UCODE_SECTION_DATA].len;
157
158 if (mvm->dbgfs_sram_len) {
159 ofs = mvm->dbgfs_sram_offset;
160 len = mvm->dbgfs_sram_len;
161 }
162
163 ptr = kzalloc(len, GFP_KERNEL);
164 if (!ptr)
165 return -ENOMEM;
166
167 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
168
169 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
170
171 kfree(ptr);
172
173 return ret;
174}
175
176static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
177 size_t count, loff_t *ppos)
178{
179 const struct fw_img *img;
180 u32 offset, len;
181 u32 img_offset, img_len;
182
183 if (!iwl_mvm_firmware_running(mvm))
184 return -EINVAL;
185
186 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
187 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
188 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
189
190 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
191 if ((offset & 0x3) || (len & 0x3))
192 return -EINVAL;
193
194 if (offset + len > img_offset + img_len)
195 return -EINVAL;
196
197 mvm->dbgfs_sram_offset = offset;
198 mvm->dbgfs_sram_len = len;
199 } else {
200 mvm->dbgfs_sram_offset = 0;
201 mvm->dbgfs_sram_len = 0;
202 }
203
204 return count;
205}
206
207static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
208 char __user *user_buf,
209 size_t count, loff_t *ppos)
210{
211 struct iwl_mvm *mvm = file->private_data;
212 char buf[16];
213 int pos;
214
215 if (!mvm->temperature_test)
216 pos = scnprintf(buf , sizeof(buf), "disabled\n");
217 else
218 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
219
220 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
221}
222
223
224
225
226
227
228
229
230static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
231 char *buf, size_t count,
232 loff_t *ppos)
233{
234 int temperature;
235
236 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
237 return -EIO;
238
239 if (kstrtoint(buf, 10, &temperature))
240 return -EINVAL;
241
242 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
243 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
244 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
245 return -EINVAL;
246
247 mutex_lock(&mvm->mutex);
248 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
249 if (!mvm->temperature_test)
250 goto out;
251
252 mvm->temperature_test = false;
253
254
255
256
257 mvm->temperature = 0;
258 } else {
259 mvm->temperature_test = true;
260 mvm->temperature = temperature;
261 }
262 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
263 mvm->temperature_test ? "En" : "Dis" ,
264 mvm->temperature);
265
266 iwl_mvm_tt_handler(mvm);
267
268out:
269 mutex_unlock(&mvm->mutex);
270
271 return count;
272}
273
274static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
275 char __user *user_buf,
276 size_t count, loff_t *ppos)
277{
278 struct iwl_mvm *mvm = file->private_data;
279 char buf[16];
280 int pos, ret;
281 s32 temp;
282
283 if (!iwl_mvm_firmware_running(mvm))
284 return -EIO;
285
286 mutex_lock(&mvm->mutex);
287 ret = iwl_mvm_get_temp(mvm, &temp);
288 mutex_unlock(&mvm->mutex);
289
290 if (ret)
291 return -EIO;
292
293 pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
294
295 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
296}
297
298#ifdef CONFIG_ACPI
299static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
300 char __user *user_buf,
301 size_t count, loff_t *ppos)
302{
303 struct iwl_mvm *mvm = file->private_data;
304 char buf[256];
305 int pos = 0;
306 int bufsz = sizeof(buf);
307 int tbl_idx;
308
309 if (!iwl_mvm_firmware_running(mvm))
310 return -EIO;
311
312 mutex_lock(&mvm->mutex);
313 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
314 if (tbl_idx < 0) {
315 mutex_unlock(&mvm->mutex);
316 return tbl_idx;
317 }
318
319 if (!tbl_idx) {
320 pos = scnprintf(buf, bufsz,
321 "SAR geographic profile disabled\n");
322 } else {
323 pos += scnprintf(buf + pos, bufsz - pos,
324 "Use geographic profile %d\n", tbl_idx);
325 pos += scnprintf(buf + pos, bufsz - pos,
326 "2.4GHz:\n\tChain A offset: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n",
327 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
328 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
329 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
330 pos += scnprintf(buf + pos, bufsz - pos,
331 "5.2GHz:\n\tChain A offset: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n",
332 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
333 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
334 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
335 }
336 mutex_unlock(&mvm->mutex);
337
338 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
339}
340#endif
341
342static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
343 size_t count, loff_t *ppos)
344{
345 struct iwl_mvm *mvm = file->private_data;
346 struct ieee80211_sta *sta;
347 char buf[400];
348 int i, pos = 0, bufsz = sizeof(buf);
349
350 mutex_lock(&mvm->mutex);
351
352 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
353 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
354 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
355 lockdep_is_held(&mvm->mutex));
356 if (!sta)
357 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
358 else if (IS_ERR(sta))
359 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
360 PTR_ERR(sta));
361 else
362 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
363 sta->addr);
364 }
365
366 mutex_unlock(&mvm->mutex);
367
368 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
369}
370
371static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
372 size_t count, loff_t *ppos)
373{
374 struct ieee80211_sta *sta = file->private_data;
375 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
376 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
377 struct iwl_mvm *mvm = lq_sta->pers.drv;
378 static const size_t bufsz = 2048;
379 char *buff;
380 int desc = 0;
381 ssize_t ret;
382
383 buff = kmalloc(bufsz, GFP_KERNEL);
384 if (!buff)
385 return -ENOMEM;
386
387 mutex_lock(&mvm->mutex);
388
389 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
390 lq_sta->pers.sta_id);
391 desc += scnprintf(buff + desc, bufsz - desc,
392 "fixed rate 0x%X\n",
393 lq_sta->pers.dbg_fixed_rate);
394 desc += scnprintf(buff + desc, bufsz - desc,
395 "A-MPDU size limit %d\n",
396 lq_sta->pers.dbg_agg_frame_count_lim);
397 desc += scnprintf(buff + desc, bufsz - desc,
398 "valid_tx_ant %s%s%s\n",
399 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
400 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
401 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
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(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
1027 ret = iwl_mvm_send_cmd_pdu(mvm,
1028 WIDE_ID(LONG_GROUP, REPLY_ERROR),
1029 0, 0, NULL);
1030
1031 mutex_unlock(&mvm->mutex);
1032
1033 return count;
1034}
1035
1036static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1037 size_t count, loff_t *ppos)
1038{
1039 if (!iwl_mvm_firmware_running(mvm))
1040 return -EIO;
1041
1042 iwl_force_nmi(mvm->trans);
1043
1044 return count;
1045}
1046
1047static ssize_t
1048iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1049 char __user *user_buf,
1050 size_t count, loff_t *ppos)
1051{
1052 struct iwl_mvm *mvm = file->private_data;
1053 int pos = 0;
1054 char buf[32];
1055 const size_t bufsz = sizeof(buf);
1056
1057
1058 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1059 if (mvm->scan_rx_ant & ANT_A)
1060 pos += scnprintf(buf + pos, bufsz - pos, "A");
1061 if (mvm->scan_rx_ant & ANT_B)
1062 pos += scnprintf(buf + pos, bufsz - pos, "B");
1063 if (mvm->scan_rx_ant & ANT_C)
1064 pos += scnprintf(buf + pos, bufsz - pos, "C");
1065 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
1066
1067 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1068}
1069
1070static ssize_t
1071iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1072 size_t count, loff_t *ppos)
1073{
1074 u8 scan_rx_ant;
1075
1076 if (!iwl_mvm_firmware_running(mvm))
1077 return -EIO;
1078
1079 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1080 return -EINVAL;
1081 if (scan_rx_ant > ANT_ABC)
1082 return -EINVAL;
1083 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1084 return -EINVAL;
1085
1086 if (mvm->scan_rx_ant != scan_rx_ant) {
1087 mvm->scan_rx_ant = scan_rx_ant;
1088 if (fw_has_capa(&mvm->fw->ucode_capa,
1089 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1090 iwl_mvm_config_scan(mvm);
1091 }
1092
1093 return count;
1094}
1095
1096static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1097 char *buf, size_t count,
1098 loff_t *ppos)
1099{
1100 struct iwl_rss_config_cmd cmd = {
1101 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1102 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1103 IWL_RSS_HASH_TYPE_IPV4_UDP |
1104 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1105 IWL_RSS_HASH_TYPE_IPV6_TCP |
1106 IWL_RSS_HASH_TYPE_IPV6_UDP |
1107 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1108 };
1109 int ret, i, num_repeats, nbytes = count / 2;
1110
1111 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1112 if (ret)
1113 return ret;
1114
1115
1116
1117
1118
1119
1120
1121
1122 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1123 for (i = 1; i < num_repeats; i++)
1124 memcpy(&cmd.indirection_table[i * nbytes],
1125 cmd.indirection_table, nbytes);
1126
1127 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1128 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1129
1130 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1131
1132 mutex_lock(&mvm->mutex);
1133 if (iwl_mvm_firmware_running(mvm))
1134 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1135 sizeof(cmd), &cmd);
1136 else
1137 ret = 0;
1138 mutex_unlock(&mvm->mutex);
1139
1140 return ret ?: count;
1141}
1142
1143static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1144 char *buf, size_t count,
1145 loff_t *ppos)
1146{
1147 struct iwl_op_mode *opmode = container_of((void *)mvm,
1148 struct iwl_op_mode,
1149 op_mode_specific);
1150 struct iwl_rx_cmd_buffer rxb = {
1151 ._rx_page_order = 0,
1152 .truesize = 0,
1153 ._offset = 0,
1154 };
1155 struct iwl_rx_packet *pkt;
1156 int bin_len = count / 2;
1157 int ret = -EINVAL;
1158
1159 if (!iwl_mvm_firmware_running(mvm))
1160 return -EIO;
1161
1162
1163 if (!mvm->trans->trans_cfg->mq_rx_supported)
1164 return -ENOTSUPP;
1165
1166 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1167 if (!rxb._page)
1168 return -ENOMEM;
1169 pkt = rxb_addr(&rxb);
1170
1171 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1172 if (ret)
1173 goto out;
1174
1175
1176 if (bin_len < sizeof(*pkt) ||
1177 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1178 goto out;
1179
1180 local_bh_disable();
1181 iwl_mvm_rx_mq(opmode, NULL, &rxb);
1182 local_bh_enable();
1183 ret = 0;
1184
1185out:
1186 iwl_free_rxb(&rxb);
1187
1188 return ret ?: count;
1189}
1190
1191static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1192{
1193 struct ieee80211_vif *vif;
1194 struct iwl_mvm_vif *mvmvif;
1195 struct sk_buff *beacon;
1196 struct ieee80211_tx_info *info;
1197 struct iwl_mac_beacon_cmd beacon_cmd = {};
1198 u8 rate;
1199 u16 flags;
1200 int i;
1201
1202 len /= 2;
1203
1204
1205 if (len >= U8_MAX)
1206 return -EINVAL;
1207
1208 if (!iwl_mvm_firmware_running(mvm))
1209 return -EIO;
1210
1211 if (!iwl_mvm_has_new_tx_api(mvm) &&
1212 !fw_has_api(&mvm->fw->ucode_capa,
1213 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1214 return -EINVAL;
1215
1216 mutex_lock(&mvm->mutex);
1217
1218 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1219 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1220 if (!vif)
1221 continue;
1222
1223 if (vif->type == NL80211_IFTYPE_AP)
1224 break;
1225 }
1226
1227 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1228 goto out_err;
1229
1230 mvm->hw->extra_beacon_tailroom = len;
1231
1232 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL);
1233 if (!beacon)
1234 goto out_err;
1235
1236 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1237 dev_kfree_skb(beacon);
1238 goto out_err;
1239 }
1240
1241 mvm->beacon_inject_active = true;
1242
1243 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1244 info = IEEE80211_SKB_CB(beacon);
1245 rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
1246 flags = iwl_mvm_mac80211_idx_to_hwrate(rate);
1247
1248 if (rate == IWL_FIRST_CCK_RATE)
1249 flags |= IWL_MAC_BEACON_CCK;
1250
1251 beacon_cmd.flags = cpu_to_le16(flags);
1252 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1253 beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
1254
1255 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1256 &beacon_cmd.tim_size,
1257 beacon->data, beacon->len);
1258
1259 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1260 sizeof(beacon_cmd));
1261 mutex_unlock(&mvm->mutex);
1262
1263 dev_kfree_skb(beacon);
1264
1265 return 0;
1266
1267out_err:
1268 mutex_unlock(&mvm->mutex);
1269 return -EINVAL;
1270}
1271
1272static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1273 char *buf, size_t count,
1274 loff_t *ppos)
1275{
1276 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1277
1278 mvm->hw->extra_beacon_tailroom = 0;
1279 return ret ?: count;
1280}
1281
1282static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1283 char *buf,
1284 size_t count,
1285 loff_t *ppos)
1286{
1287 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1288
1289 mvm->hw->extra_beacon_tailroom = 0;
1290 mvm->beacon_inject_active = false;
1291 return ret ?: count;
1292}
1293
1294static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1295 char __user *user_buf,
1296 size_t count, loff_t *ppos)
1297{
1298 struct iwl_mvm *mvm = file->private_data;
1299 int conf;
1300 char buf[8];
1301 const size_t bufsz = sizeof(buf);
1302 int pos = 0;
1303
1304 mutex_lock(&mvm->mutex);
1305 conf = mvm->fwrt.dump.conf;
1306 mutex_unlock(&mvm->mutex);
1307
1308 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1309
1310 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1311}
1312
1313static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1314 char *buf, size_t count,
1315 loff_t *ppos)
1316{
1317 unsigned int conf_id;
1318 int ret;
1319
1320 if (!iwl_mvm_firmware_running(mvm))
1321 return -EIO;
1322
1323 ret = kstrtouint(buf, 0, &conf_id);
1324 if (ret)
1325 return ret;
1326
1327 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1328 return -EINVAL;
1329
1330 mutex_lock(&mvm->mutex);
1331 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1332 mutex_unlock(&mvm->mutex);
1333
1334 return ret ?: count;
1335}
1336
1337static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1338 char *buf, size_t count,
1339 loff_t *ppos)
1340{
1341 if (count == 0)
1342 return 0;
1343
1344 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
1345 NULL);
1346
1347 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1348 (count - 1), NULL);
1349
1350 return count;
1351}
1352
1353static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1354 char *buf, size_t count,
1355 loff_t *ppos)
1356{
1357 u32 timepoint;
1358
1359 if (kstrtou32(buf, 0, &timepoint))
1360 return -EINVAL;
1361
1362 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1363 timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1364 return -EINVAL;
1365
1366 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1367
1368 return count;
1369}
1370
1371#define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1372#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1373static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1374 char __user *user_buf,
1375 size_t count, loff_t *ppos)
1376{
1377 struct iwl_mvm *mvm = file->private_data;
1378 struct iwl_bcast_filter_cmd cmd;
1379 const struct iwl_fw_bcast_filter *filter;
1380 char *buf;
1381 int bufsz = 1024;
1382 int i, j, pos = 0;
1383 ssize_t ret;
1384
1385 buf = kzalloc(bufsz, GFP_KERNEL);
1386 if (!buf)
1387 return -ENOMEM;
1388
1389 mutex_lock(&mvm->mutex);
1390 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1391 ADD_TEXT("None\n");
1392 mutex_unlock(&mvm->mutex);
1393 goto out;
1394 }
1395 mutex_unlock(&mvm->mutex);
1396
1397 for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1398 filter = &cmd.filters[i];
1399
1400 ADD_TEXT("Filter [%d]:\n", i);
1401 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1402 ADD_TEXT("\tFrame Type: %s\n",
1403 filter->frame_type ? "IPv4" : "Generic");
1404
1405 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1406 const struct iwl_fw_bcast_filter_attr *attr;
1407
1408 attr = &filter->attrs[j];
1409 if (!attr->mask)
1410 break;
1411
1412 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1413 j, attr->offset,
1414 attr->offset_type ? "IP End" :
1415 "Payload Start",
1416 be32_to_cpu(attr->mask),
1417 be32_to_cpu(attr->val),
1418 le16_to_cpu(attr->reserved1));
1419 }
1420 }
1421out:
1422 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1423 kfree(buf);
1424 return ret;
1425}
1426
1427static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1428 size_t count, loff_t *ppos)
1429{
1430 int pos, next_pos;
1431 struct iwl_fw_bcast_filter filter = {};
1432 struct iwl_bcast_filter_cmd cmd;
1433 u32 filter_id, attr_id, mask, value;
1434 int err = 0;
1435
1436 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1437 &filter.frame_type, &pos) != 3)
1438 return -EINVAL;
1439
1440 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1441 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1442 return -EINVAL;
1443
1444 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1445 attr_id++) {
1446 struct iwl_fw_bcast_filter_attr *attr =
1447 &filter.attrs[attr_id];
1448
1449 if (pos >= count)
1450 break;
1451
1452 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1453 &attr->offset, &attr->offset_type,
1454 &mask, &value, &next_pos) != 4)
1455 return -EINVAL;
1456
1457 attr->mask = cpu_to_be32(mask);
1458 attr->val = cpu_to_be32(value);
1459 if (mask)
1460 filter.num_attrs++;
1461
1462 pos += next_pos;
1463 }
1464
1465 mutex_lock(&mvm->mutex);
1466 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1467 &filter, sizeof(filter));
1468
1469
1470 if (iwl_mvm_firmware_running(mvm) &&
1471 mvm->dbgfs_bcast_filtering.override &&
1472 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1473 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1474 sizeof(cmd), &cmd);
1475 mutex_unlock(&mvm->mutex);
1476
1477 return err ?: count;
1478}
1479
1480static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1481 char __user *user_buf,
1482 size_t count, loff_t *ppos)
1483{
1484 struct iwl_mvm *mvm = file->private_data;
1485 struct iwl_bcast_filter_cmd cmd;
1486 char *buf;
1487 int bufsz = 1024;
1488 int i, pos = 0;
1489 ssize_t ret;
1490
1491 buf = kzalloc(bufsz, GFP_KERNEL);
1492 if (!buf)
1493 return -ENOMEM;
1494
1495 mutex_lock(&mvm->mutex);
1496 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1497 ADD_TEXT("None\n");
1498 mutex_unlock(&mvm->mutex);
1499 goto out;
1500 }
1501 mutex_unlock(&mvm->mutex);
1502
1503 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1504 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1505
1506 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1507 i, mac->default_discard, mac->attached_filters);
1508 }
1509out:
1510 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1511 kfree(buf);
1512 return ret;
1513}
1514
1515static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1516 char *buf, size_t count,
1517 loff_t *ppos)
1518{
1519 struct iwl_bcast_filter_cmd cmd;
1520 struct iwl_fw_bcast_mac mac = {};
1521 u32 mac_id, attached_filters;
1522 int err = 0;
1523
1524 if (!mvm->bcast_filters)
1525 return -ENOENT;
1526
1527 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1528 &attached_filters) != 3)
1529 return -EINVAL;
1530
1531 if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1532 mac.default_discard > 1 ||
1533 attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1534 return -EINVAL;
1535
1536 mac.attached_filters = cpu_to_le16(attached_filters);
1537
1538 mutex_lock(&mvm->mutex);
1539 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1540 &mac, sizeof(mac));
1541
1542
1543 if (iwl_mvm_firmware_running(mvm) &&
1544 mvm->dbgfs_bcast_filtering.override &&
1545 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1546 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1547 sizeof(cmd), &cmd);
1548 mutex_unlock(&mvm->mutex);
1549
1550 return err ?: count;
1551}
1552#endif
1553
1554#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1555 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1556#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1557 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1558#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1559 debugfs_create_file(alias, mode, parent, mvm, \
1560 &iwl_dbgfs_##name##_ops); \
1561 } while (0)
1562#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1563 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1564
1565#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
1566 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1567#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
1568 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1569
1570#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
1571 debugfs_create_file(alias, mode, parent, sta, \
1572 &iwl_dbgfs_##name##_ops); \
1573 } while (0)
1574#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
1575 MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
1576
1577static ssize_t
1578iwl_dbgfs_prph_reg_read(struct file *file,
1579 char __user *user_buf,
1580 size_t count, loff_t *ppos)
1581{
1582 struct iwl_mvm *mvm = file->private_data;
1583 int pos = 0;
1584 char buf[32];
1585 const size_t bufsz = sizeof(buf);
1586
1587 if (!mvm->dbgfs_prph_reg_addr)
1588 return -EINVAL;
1589
1590 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1591 mvm->dbgfs_prph_reg_addr,
1592 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1593
1594 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1595}
1596
1597static ssize_t
1598iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1599 size_t count, loff_t *ppos)
1600{
1601 u8 args;
1602 u32 value;
1603
1604 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1605
1606 if (args == 1)
1607 goto out;
1608
1609
1610 if (args != 2)
1611 return -EINVAL;
1612
1613 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1614
1615out:
1616 return count;
1617}
1618
1619static ssize_t
1620iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1621 size_t count, loff_t *ppos)
1622{
1623 int ret;
1624
1625 if (!iwl_mvm_firmware_running(mvm))
1626 return -EIO;
1627
1628 mutex_lock(&mvm->mutex);
1629 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1630 mutex_unlock(&mvm->mutex);
1631
1632 return ret ?: count;
1633}
1634
1635struct iwl_mvm_sniffer_apply {
1636 struct iwl_mvm *mvm;
1637 u8 *bssid;
1638 u16 aid;
1639};
1640
1641static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1642 struct iwl_rx_packet *pkt, void *data)
1643{
1644 struct iwl_mvm_sniffer_apply *apply = data;
1645
1646 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1647 memcpy(apply->mvm->cur_bssid, apply->bssid,
1648 sizeof(apply->mvm->cur_bssid));
1649
1650 return true;
1651}
1652
1653static ssize_t
1654iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1655 size_t count, loff_t *ppos)
1656{
1657 struct iwl_notification_wait wait;
1658 struct iwl_he_monitor_cmd he_mon_cmd = {};
1659 struct iwl_mvm_sniffer_apply apply = {
1660 .mvm = mvm,
1661 };
1662 u16 wait_cmds[] = {
1663 iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0),
1664 };
1665 u32 aid;
1666 int ret;
1667
1668 if (!iwl_mvm_firmware_running(mvm))
1669 return -EIO;
1670
1671 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1672 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1673 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1674 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1675 if (ret != 7)
1676 return -EINVAL;
1677
1678 he_mon_cmd.aid = cpu_to_le16(aid);
1679
1680 apply.aid = aid;
1681 apply.bssid = (void *)he_mon_cmd.bssid;
1682
1683 mutex_lock(&mvm->mutex);
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694 iwl_init_notification_wait(&mvm->notif_wait, &wait,
1695 wait_cmds, ARRAY_SIZE(wait_cmds),
1696 iwl_mvm_sniffer_apply, &apply);
1697
1698 ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD,
1699 DATA_PATH_GROUP, 0), 0,
1700 sizeof(he_mon_cmd), &he_mon_cmd);
1701
1702
1703 iwl_remove_notification(&mvm->notif_wait, &wait);
1704
1705 mutex_unlock(&mvm->mutex);
1706
1707 return ret ?: count;
1708}
1709
1710static ssize_t
1711iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1712 size_t count, loff_t *ppos)
1713{
1714 struct iwl_mvm *mvm = file->private_data;
1715 u8 buf[32];
1716 int len;
1717
1718 len = scnprintf(buf, sizeof(buf),
1719 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1720 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1721 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1722 mvm->cur_bssid[4], mvm->cur_bssid[5]);
1723
1724 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1725}
1726
1727static ssize_t
1728iwl_dbgfs_uapsd_noagg_bssids_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[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1733 unsigned int pos = 0;
1734 size_t bufsz = sizeof(buf);
1735 int i;
1736
1737 mutex_lock(&mvm->mutex);
1738
1739 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1740 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1741 mvm->uapsd_noagg_bssids[i].addr);
1742
1743 mutex_unlock(&mvm->mutex);
1744
1745 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1746}
1747
1748static ssize_t
1749iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1750 char *buf, size_t count, loff_t *ppos)
1751{
1752 int ret;
1753 struct iwl_ltr_config_cmd ltr_config = {0};
1754
1755 if (!iwl_mvm_firmware_running(mvm))
1756 return -EIO;
1757
1758 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1759 <r_config.flags,
1760 <r_config.static_long,
1761 <r_config.static_short,
1762 <r_config.ltr_cfg_values[0],
1763 <r_config.ltr_cfg_values[1],
1764 <r_config.ltr_cfg_values[2],
1765 <r_config.ltr_cfg_values[3]) != 7) {
1766 return -EINVAL;
1767 }
1768
1769 mutex_lock(&mvm->mutex);
1770 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1771 <r_config);
1772 mutex_unlock(&mvm->mutex);
1773
1774 if (ret)
1775 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1776
1777 return ret ?: count;
1778}
1779
1780static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
1781 size_t count, loff_t *ppos)
1782{
1783 int ret = 0;
1784 u16 op_id;
1785
1786 if (kstrtou16(buf, 10, &op_id))
1787 return -EINVAL;
1788
1789
1790 if (!op_id) {
1791 mutex_lock(&mvm->mutex);
1792 ret = iwl_rfi_send_config_cmd(mvm, NULL);
1793 mutex_unlock(&mvm->mutex);
1794 } else {
1795 ret = -EOPNOTSUPP;
1796 }
1797
1798 return ret ?: count;
1799}
1800
1801
1802
1803
1804
1805
1806#define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
1807 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
1808
1809static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
1810 char __user *user_buf,
1811 size_t count, loff_t *ppos)
1812{
1813 struct iwl_mvm *mvm = file->private_data;
1814 struct iwl_rfi_freq_table_resp_cmd *resp;
1815 u32 status;
1816 char buf[IWL_RFI_BUF_SIZE];
1817 int i, j, pos = 0;
1818
1819 resp = iwl_rfi_get_freq_table(mvm);
1820 if (IS_ERR(resp))
1821 return PTR_ERR(resp);
1822
1823 status = le32_to_cpu(resp->status);
1824 if (status != RFI_FREQ_TABLE_OK) {
1825 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
1826 goto out;
1827 }
1828
1829 for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
1830 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
1831 resp->table[i].freq);
1832
1833 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
1834 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
1835 "(%d, %d) ",
1836 resp->table[i].channels[j],
1837 resp->table[i].bands[j]);
1838 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
1839 }
1840
1841out:
1842 kfree(resp);
1843 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1844}
1845
1846MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1847
1848
1849MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1850MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1851MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1852MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1853MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1854MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1855MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1856MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1857MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1858MVM_DEBUGFS_READ_FILE_OPS(stations);
1859MVM_DEBUGFS_READ_FILE_OPS(rs_data);
1860MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1861MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1862MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1863MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1864MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1865MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
1866MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
1867MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1868MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1869MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1870MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1871MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1872MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1873MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1874MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
1875MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1876 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1877MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1878MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1879MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1880
1881MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1882
1883#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1884MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1885MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1886#endif
1887
1888#ifdef CONFIG_ACPI
1889MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1890#endif
1891
1892MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
1893
1894MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1895
1896MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1897MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
1898
1899static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1900 size_t count, loff_t *ppos)
1901{
1902 struct iwl_mvm *mvm = file->private_data;
1903 struct iwl_dbg_mem_access_cmd cmd = {};
1904 struct iwl_dbg_mem_access_rsp *rsp;
1905 struct iwl_host_cmd hcmd = {
1906 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1907 .data = { &cmd, },
1908 .len = { sizeof(cmd) },
1909 };
1910 size_t delta;
1911 ssize_t ret, len;
1912
1913 if (!iwl_mvm_firmware_running(mvm))
1914 return -EIO;
1915
1916 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1917 DEBUG_GROUP, 0);
1918 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1919
1920
1921 delta = *ppos & 0x3;
1922 cmd.addr = cpu_to_le32(*ppos - delta);
1923 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1924 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1925
1926 mutex_lock(&mvm->mutex);
1927 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1928 mutex_unlock(&mvm->mutex);
1929
1930 if (ret < 0)
1931 return ret;
1932
1933 rsp = (void *)hcmd.resp_pkt->data;
1934 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1935 ret = -ENXIO;
1936 goto out;
1937 }
1938
1939 len = min((size_t)le32_to_cpu(rsp->len) << 2,
1940 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
1941 len = min(len - delta, count);
1942 if (len < 0) {
1943 ret = -EFAULT;
1944 goto out;
1945 }
1946
1947 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len);
1948 *ppos += ret;
1949
1950out:
1951 iwl_free_resp(&hcmd);
1952 return ret;
1953}
1954
1955static ssize_t iwl_dbgfs_mem_write(struct file *file,
1956 const char __user *user_buf, size_t count,
1957 loff_t *ppos)
1958{
1959 struct iwl_mvm *mvm = file->private_data;
1960 struct iwl_dbg_mem_access_cmd *cmd;
1961 struct iwl_dbg_mem_access_rsp *rsp;
1962 struct iwl_host_cmd hcmd = {};
1963 size_t cmd_size;
1964 size_t data_size;
1965 u32 op, len;
1966 ssize_t ret;
1967
1968 if (!iwl_mvm_firmware_running(mvm))
1969 return -EIO;
1970
1971 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1972 DEBUG_GROUP, 0);
1973
1974 if (*ppos & 0x3 || count < 4) {
1975 op = DEBUG_MEM_OP_WRITE_BYTES;
1976 len = min(count, (size_t)(4 - (*ppos & 0x3)));
1977 data_size = len;
1978 } else {
1979 op = DEBUG_MEM_OP_WRITE;
1980 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
1981 data_size = len << 2;
1982 }
1983
1984 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
1985 cmd = kzalloc(cmd_size, GFP_KERNEL);
1986 if (!cmd)
1987 return -ENOMEM;
1988
1989 cmd->op = cpu_to_le32(op);
1990 cmd->len = cpu_to_le32(len);
1991 cmd->addr = cpu_to_le32(*ppos);
1992 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
1993 kfree(cmd);
1994 return -EFAULT;
1995 }
1996
1997 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1998 hcmd.data[0] = (void *)cmd;
1999 hcmd.len[0] = cmd_size;
2000
2001 mutex_lock(&mvm->mutex);
2002 ret = iwl_mvm_send_cmd(mvm, &hcmd);
2003 mutex_unlock(&mvm->mutex);
2004
2005 kfree(cmd);
2006
2007 if (ret < 0)
2008 return ret;
2009
2010 rsp = (void *)hcmd.resp_pkt->data;
2011 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2012 ret = -ENXIO;
2013 goto out;
2014 }
2015
2016 ret = data_size;
2017 *ppos += ret;
2018
2019out:
2020 iwl_free_resp(&hcmd);
2021 return ret;
2022}
2023
2024static const struct file_operations iwl_dbgfs_mem_ops = {
2025 .read = iwl_dbgfs_mem_read,
2026 .write = iwl_dbgfs_mem_write,
2027 .open = simple_open,
2028 .llseek = default_llseek,
2029};
2030
2031void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
2032 struct ieee80211_vif *vif,
2033 struct ieee80211_sta *sta,
2034 struct dentry *dir)
2035{
2036 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2037
2038 if (iwl_mvm_has_tlc_offload(mvm)) {
2039 MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
2040 }
2041 MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600);
2042}
2043
2044void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
2045{
2046 struct dentry *bcast_dir __maybe_unused;
2047 char buf[100];
2048
2049 spin_lock_init(&mvm->drv_stats_lock);
2050
2051 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2052 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
2053 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2054 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2055 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
2056 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
2057 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
2058 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
2059 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
2060 MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400);
2061 MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400);
2062 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2063 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
2064 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2065 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2066 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2067 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2068 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
2069 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
2070 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2071 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2072 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2073 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
2074 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2075 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2076 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2077 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2078 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2079 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
2080
2081 if (mvm->fw->phy_integration_ver)
2082 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
2083#ifdef CONFIG_ACPI
2084 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
2085#endif
2086 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2087
2088 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2089 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2090
2091 debugfs_create_bool("enable_scan_iteration_notif", 0600,
2092 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2093 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2094 &mvm->drop_bcn_ap_mode);
2095
2096 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2097
2098#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2099 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
2100 bcast_dir = debugfs_create_dir("bcast_filtering",
2101 mvm->debugfs_dir);
2102
2103 debugfs_create_bool("override", 0600, bcast_dir,
2104 &mvm->dbgfs_bcast_filtering.override);
2105
2106 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
2107 bcast_dir, 0600);
2108 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
2109 bcast_dir, 0600);
2110 }
2111#endif
2112
2113#ifdef CONFIG_PM_SLEEP
2114 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2115 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2116 &mvm->d3_wake_sysassert);
2117 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2118 &mvm->last_netdetect_scans);
2119#endif
2120
2121 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2122 &mvm->ps_disabled);
2123 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2124 &mvm->nvm_hw_blob);
2125 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2126 &mvm->nvm_sw_blob);
2127 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2128 &mvm->nvm_calib_blob);
2129 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2130 &mvm->nvm_prod_blob);
2131 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2132 &mvm->nvm_phy_sku_blob);
2133 debugfs_create_blob("nvm_reg", S_IRUSR,
2134 mvm->debugfs_dir, &mvm->nvm_reg_blob);
2135
2136 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
2137 &iwl_dbgfs_mem_ops);
2138
2139
2140
2141
2142
2143 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
2144 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf);
2145}
2146
