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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\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 desc += scnprintf(buff + desc, bufsz - desc,
402 "last tx rate=0x%X ",
403 lq_sta->last_rate_n_flags);
404
405 desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
406 lq_sta->last_rate_n_flags);
407 if (desc < bufsz - 1)
408 buff[desc++] = '\n';
409 mutex_unlock(&mvm->mutex);
410
411 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
412 kfree(buff);
413 return ret;
414}
415
416static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
417 char *buf, size_t count,
418 loff_t *ppos)
419{
420 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
421 int i;
422 u16 amsdu_len;
423
424 if (kstrtou16(buf, 0, &amsdu_len))
425 return -EINVAL;
426
427
428 if ((amsdu_len && mvmsta->orig_amsdu_len) ||
429 (!!amsdu_len && mvmsta->orig_amsdu_len))
430 return -EBUSY;
431
432 if (amsdu_len) {
433 mvmsta->orig_amsdu_len = sta->max_amsdu_len;
434 sta->max_amsdu_len = amsdu_len;
435 for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++)
436 sta->max_tid_amsdu_len[i] = amsdu_len;
437 } else {
438 sta->max_amsdu_len = mvmsta->orig_amsdu_len;
439 mvmsta->orig_amsdu_len = 0;
440 }
441 return count;
442}
443
444static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file,
445 char __user *user_buf,
446 size_t count, loff_t *ppos)
447{
448 struct ieee80211_sta *sta = file->private_data;
449 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
450
451 char buf[32];
452 int pos;
453
454 pos = scnprintf(buf, sizeof(buf), "current %d ", sta->max_amsdu_len);
455 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
456 mvmsta->orig_amsdu_len);
457
458 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
459}
460
461static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
462 char __user *user_buf,
463 size_t count, loff_t *ppos)
464{
465 struct iwl_mvm *mvm = file->private_data;
466 char buf[64];
467 int bufsz = sizeof(buf);
468 int pos = 0;
469
470 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
471 mvm->disable_power_off);
472 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
473 mvm->disable_power_off_d3);
474
475 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
476}
477
478static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
479 size_t count, loff_t *ppos)
480{
481 int ret, val;
482
483 if (!iwl_mvm_firmware_running(mvm))
484 return -EIO;
485
486 if (!strncmp("disable_power_off_d0=", buf, 21)) {
487 if (sscanf(buf + 21, "%d", &val) != 1)
488 return -EINVAL;
489 mvm->disable_power_off = val;
490 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
491 if (sscanf(buf + 21, "%d", &val) != 1)
492 return -EINVAL;
493 mvm->disable_power_off_d3 = val;
494 } else {
495 return -EINVAL;
496 }
497
498 mutex_lock(&mvm->mutex);
499 ret = iwl_mvm_power_update_device(mvm);
500 mutex_unlock(&mvm->mutex);
501
502 return ret ?: count;
503}
504
505static
506int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
507 int pos, int bufsz)
508{
509 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
510
511 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
512 BT_MBOX_PRINT(0, LE_PROF1, false);
513 BT_MBOX_PRINT(0, LE_PROF2, false);
514 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
515 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
516 BT_MBOX_PRINT(0, INBAND_S, false);
517 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
518 BT_MBOX_PRINT(0, LE_SCAN, false);
519 BT_MBOX_PRINT(0, LE_ADV, false);
520 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
521 BT_MBOX_PRINT(0, OPEN_CON_1, true);
522
523 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
524
525 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
526 BT_MBOX_PRINT(1, IP_SR, false);
527 BT_MBOX_PRINT(1, LE_MSTR, false);
528 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
529 BT_MBOX_PRINT(1, MSG_TYPE, false);
530 BT_MBOX_PRINT(1, SSN, true);
531
532 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
533
534 BT_MBOX_PRINT(2, SNIFF_ACT, false);
535 BT_MBOX_PRINT(2, PAG, false);
536 BT_MBOX_PRINT(2, INQUIRY, false);
537 BT_MBOX_PRINT(2, CONN, false);
538 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
539 BT_MBOX_PRINT(2, DISC, false);
540 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
541 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
542 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
543 BT_MBOX_PRINT(2, SCO_DURATION, true);
544
545 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
546
547 BT_MBOX_PRINT(3, SCO_STATE, false);
548 BT_MBOX_PRINT(3, SNIFF_STATE, false);
549 BT_MBOX_PRINT(3, A2DP_STATE, false);
550 BT_MBOX_PRINT(3, A2DP_SRC, false);
551 BT_MBOX_PRINT(3, ACL_STATE, false);
552 BT_MBOX_PRINT(3, MSTR_STATE, false);
553 BT_MBOX_PRINT(3, OBX_STATE, false);
554 BT_MBOX_PRINT(3, OPEN_CON_2, false);
555 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
556 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
557 BT_MBOX_PRINT(3, INBAND_P, false);
558 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
559 BT_MBOX_PRINT(3, SSN_2, false);
560 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
561
562 return pos;
563}
564
565static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
566 size_t count, loff_t *ppos)
567{
568 struct iwl_mvm *mvm = file->private_data;
569 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
570 char *buf;
571 int ret, pos = 0, bufsz = sizeof(char) * 1024;
572
573 buf = kmalloc(bufsz, GFP_KERNEL);
574 if (!buf)
575 return -ENOMEM;
576
577 mutex_lock(&mvm->mutex);
578
579 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
580
581 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
582 notif->bt_ci_compliance);
583 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
584 le32_to_cpu(notif->primary_ch_lut));
585 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
586 le32_to_cpu(notif->secondary_ch_lut));
587 pos += scnprintf(buf + pos,
588 bufsz - pos, "bt_activity_grading = %d\n",
589 le32_to_cpu(notif->bt_activity_grading));
590 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
591 notif->rrc_status & 0xF);
592 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
593 notif->ttc_status & 0xF);
594
595 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
596 IWL_MVM_BT_COEX_SYNC2SCO);
597 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
598 IWL_MVM_BT_COEX_MPLUT);
599
600 mutex_unlock(&mvm->mutex);
601
602 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
603 kfree(buf);
604
605 return ret;
606}
607#undef BT_MBOX_PRINT
608
609static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
610 size_t count, loff_t *ppos)
611{
612 struct iwl_mvm *mvm = file->private_data;
613 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
614 char buf[256];
615 int bufsz = sizeof(buf);
616 int pos = 0;
617
618 mutex_lock(&mvm->mutex);
619
620 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
621 pos += scnprintf(buf + pos, bufsz - pos,
622 "\tPrimary Channel Bitmap 0x%016llx\n",
623 le64_to_cpu(cmd->bt_primary_ci));
624 pos += scnprintf(buf + pos, bufsz - pos,
625 "\tSecondary Channel Bitmap 0x%016llx\n",
626 le64_to_cpu(cmd->bt_secondary_ci));
627
628 mutex_unlock(&mvm->mutex);
629
630 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
631}
632
633static ssize_t
634iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
635 size_t count, loff_t *ppos)
636{
637 u32 bt_tx_prio;
638
639 if (sscanf(buf, "%u", &bt_tx_prio) != 1)
640 return -EINVAL;
641 if (bt_tx_prio > 4)
642 return -EINVAL;
643
644 mvm->bt_tx_prio = bt_tx_prio;
645
646 return count;
647}
648
649static ssize_t
650iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
651 size_t count, loff_t *ppos)
652{
653 static const char * const modes_str[BT_FORCE_ANT_MAX] = {
654 [BT_FORCE_ANT_DIS] = "dis",
655 [BT_FORCE_ANT_AUTO] = "auto",
656 [BT_FORCE_ANT_BT] = "bt",
657 [BT_FORCE_ANT_WIFI] = "wifi",
658 };
659 int ret, bt_force_ant_mode;
660
661 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
662 if (ret < 0)
663 return ret;
664
665 bt_force_ant_mode = ret;
666 ret = 0;
667 mutex_lock(&mvm->mutex);
668 if (mvm->bt_force_ant_mode == bt_force_ant_mode)
669 goto out;
670
671 mvm->bt_force_ant_mode = bt_force_ant_mode;
672 IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
673 modes_str[mvm->bt_force_ant_mode]);
674
675 if (iwl_mvm_firmware_running(mvm))
676 ret = iwl_mvm_send_bt_init_conf(mvm);
677 else
678 ret = 0;
679
680out:
681 mutex_unlock(&mvm->mutex);
682 return ret ?: count;
683}
684
685static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
686 size_t count, loff_t *ppos)
687{
688 struct iwl_mvm *mvm = file->private_data;
689 char *buff, *pos, *endpos;
690 static const size_t bufsz = 1024;
691 int ret;
692
693 buff = kmalloc(bufsz, GFP_KERNEL);
694 if (!buff)
695 return -ENOMEM;
696
697 pos = buff;
698 endpos = pos + bufsz;
699
700 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
701 mvm->trans->cfg->fw_name_pre);
702 pos += scnprintf(pos, endpos - pos, "FW: %s\n",
703 mvm->fwrt.fw->human_readable);
704 pos += scnprintf(pos, endpos - pos, "Device: %s\n",
705 mvm->fwrt.trans->name);
706 pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
707 mvm->fwrt.dev->bus->name);
708
709 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
710 kfree(buff);
711
712 return ret;
713}
714
715static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
716 char __user *user_buf,
717 size_t count, loff_t *ppos)
718{
719 struct iwl_mvm *mvm = file->private_data;
720 char *buf;
721 size_t bufsz;
722 int pos;
723 ssize_t ret;
724
725 bufsz = mvm->fw->phy_integration_ver_len + 2;
726 buf = kmalloc(bufsz, GFP_KERNEL);
727 if (!buf)
728 return -ENOMEM;
729
730 pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
731 mvm->fw->phy_integration_ver);
732
733 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
734
735 kfree(buf);
736 return ret;
737}
738
739#define PRINT_STATS_LE32(_struct, _memb) \
740 pos += scnprintf(buf + pos, bufsz - pos, \
741 fmt_table, #_memb, \
742 le32_to_cpu(_struct->_memb))
743
744static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
745 char __user *user_buf, size_t count,
746 loff_t *ppos)
747{
748 struct iwl_mvm *mvm = file->private_data;
749 static const char *fmt_table = "\t%-30s %10u\n";
750 static const char *fmt_header = "%-32s\n";
751 int pos = 0;
752 char *buf;
753 int ret;
754 size_t bufsz;
755
756 if (iwl_mvm_has_new_rx_stats_api(mvm))
757 bufsz = ((sizeof(struct mvm_statistics_rx) /
758 sizeof(__le32)) * 43) + (4 * 33) + 1;
759 else
760
761 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
762 sizeof(__le32)) * 43) + (4 * 33) + 1;
763
764 buf = kzalloc(bufsz, GFP_KERNEL);
765 if (!buf)
766 return -ENOMEM;
767
768 mutex_lock(&mvm->mutex);
769
770 if (iwl_mvm_firmware_running(mvm))
771 iwl_mvm_request_statistics(mvm, false);
772
773 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
774 "Statistics_Rx - OFDM");
775 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
776 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
777
778 PRINT_STATS_LE32(ofdm, ina_cnt);
779 PRINT_STATS_LE32(ofdm, fina_cnt);
780 PRINT_STATS_LE32(ofdm, plcp_err);
781 PRINT_STATS_LE32(ofdm, crc32_err);
782 PRINT_STATS_LE32(ofdm, overrun_err);
783 PRINT_STATS_LE32(ofdm, early_overrun_err);
784 PRINT_STATS_LE32(ofdm, crc32_good);
785 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
786 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
787 PRINT_STATS_LE32(ofdm, sfd_timeout);
788 PRINT_STATS_LE32(ofdm, fina_timeout);
789 PRINT_STATS_LE32(ofdm, unresponded_rts);
790 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
791 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
792 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
793 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
794 PRINT_STATS_LE32(ofdm, dsp_self_kill);
795 PRINT_STATS_LE32(ofdm, mh_format_err);
796 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
797 PRINT_STATS_LE32(ofdm, reserved);
798 } else {
799 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
800
801 PRINT_STATS_LE32(ofdm, unresponded_rts);
802 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
803 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
804 PRINT_STATS_LE32(ofdm, dsp_self_kill);
805 PRINT_STATS_LE32(ofdm, reserved);
806 }
807
808 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
809 "Statistics_Rx - CCK");
810 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
811 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
812
813 PRINT_STATS_LE32(cck, ina_cnt);
814 PRINT_STATS_LE32(cck, fina_cnt);
815 PRINT_STATS_LE32(cck, plcp_err);
816 PRINT_STATS_LE32(cck, crc32_err);
817 PRINT_STATS_LE32(cck, overrun_err);
818 PRINT_STATS_LE32(cck, early_overrun_err);
819 PRINT_STATS_LE32(cck, crc32_good);
820 PRINT_STATS_LE32(cck, false_alarm_cnt);
821 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
822 PRINT_STATS_LE32(cck, sfd_timeout);
823 PRINT_STATS_LE32(cck, fina_timeout);
824 PRINT_STATS_LE32(cck, unresponded_rts);
825 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
826 PRINT_STATS_LE32(cck, sent_ack_cnt);
827 PRINT_STATS_LE32(cck, sent_cts_cnt);
828 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
829 PRINT_STATS_LE32(cck, dsp_self_kill);
830 PRINT_STATS_LE32(cck, mh_format_err);
831 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
832 PRINT_STATS_LE32(cck, reserved);
833 } else {
834 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
835
836 PRINT_STATS_LE32(cck, unresponded_rts);
837 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
838 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
839 PRINT_STATS_LE32(cck, dsp_self_kill);
840 PRINT_STATS_LE32(cck, reserved);
841 }
842
843 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
844 "Statistics_Rx - GENERAL");
845 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
846 struct mvm_statistics_rx_non_phy_v3 *general =
847 &mvm->rx_stats_v3.general;
848
849 PRINT_STATS_LE32(general, bogus_cts);
850 PRINT_STATS_LE32(general, bogus_ack);
851 PRINT_STATS_LE32(general, non_bssid_frames);
852 PRINT_STATS_LE32(general, filtered_frames);
853 PRINT_STATS_LE32(general, non_channel_beacons);
854 PRINT_STATS_LE32(general, channel_beacons);
855 PRINT_STATS_LE32(general, num_missed_bcon);
856 PRINT_STATS_LE32(general, adc_rx_saturation_time);
857 PRINT_STATS_LE32(general, ina_detection_search_time);
858 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
859 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
860 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
861 PRINT_STATS_LE32(general, interference_data_flag);
862 PRINT_STATS_LE32(general, channel_load);
863 PRINT_STATS_LE32(general, dsp_false_alarms);
864 PRINT_STATS_LE32(general, beacon_rssi_a);
865 PRINT_STATS_LE32(general, beacon_rssi_b);
866 PRINT_STATS_LE32(general, beacon_rssi_c);
867 PRINT_STATS_LE32(general, beacon_energy_a);
868 PRINT_STATS_LE32(general, beacon_energy_b);
869 PRINT_STATS_LE32(general, beacon_energy_c);
870 PRINT_STATS_LE32(general, num_bt_kills);
871 PRINT_STATS_LE32(general, mac_id);
872 PRINT_STATS_LE32(general, directed_data_mpdu);
873 } else {
874 struct mvm_statistics_rx_non_phy *general =
875 &mvm->rx_stats.general;
876
877 PRINT_STATS_LE32(general, bogus_cts);
878 PRINT_STATS_LE32(general, bogus_ack);
879 PRINT_STATS_LE32(general, non_channel_beacons);
880 PRINT_STATS_LE32(general, channel_beacons);
881 PRINT_STATS_LE32(general, num_missed_bcon);
882 PRINT_STATS_LE32(general, adc_rx_saturation_time);
883 PRINT_STATS_LE32(general, ina_detection_search_time);
884 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
885 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
886 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
887 PRINT_STATS_LE32(general, interference_data_flag);
888 PRINT_STATS_LE32(general, channel_load);
889 PRINT_STATS_LE32(general, beacon_rssi_a);
890 PRINT_STATS_LE32(general, beacon_rssi_b);
891 PRINT_STATS_LE32(general, beacon_rssi_c);
892 PRINT_STATS_LE32(general, beacon_energy_a);
893 PRINT_STATS_LE32(general, beacon_energy_b);
894 PRINT_STATS_LE32(general, beacon_energy_c);
895 PRINT_STATS_LE32(general, num_bt_kills);
896 PRINT_STATS_LE32(general, mac_id);
897 }
898
899 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
900 "Statistics_Rx - HT");
901 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
902 struct mvm_statistics_rx_ht_phy_v1 *ht =
903 &mvm->rx_stats_v3.ofdm_ht;
904
905 PRINT_STATS_LE32(ht, plcp_err);
906 PRINT_STATS_LE32(ht, overrun_err);
907 PRINT_STATS_LE32(ht, early_overrun_err);
908 PRINT_STATS_LE32(ht, crc32_good);
909 PRINT_STATS_LE32(ht, crc32_err);
910 PRINT_STATS_LE32(ht, mh_format_err);
911 PRINT_STATS_LE32(ht, agg_crc32_good);
912 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
913 PRINT_STATS_LE32(ht, agg_cnt);
914 PRINT_STATS_LE32(ht, unsupport_mcs);
915 } else {
916 struct mvm_statistics_rx_ht_phy *ht =
917 &mvm->rx_stats.ofdm_ht;
918
919 PRINT_STATS_LE32(ht, mh_format_err);
920 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
921 PRINT_STATS_LE32(ht, agg_cnt);
922 PRINT_STATS_LE32(ht, unsupport_mcs);
923 }
924
925 mutex_unlock(&mvm->mutex);
926
927 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
928 kfree(buf);
929
930 return ret;
931}
932#undef PRINT_STAT_LE32
933
934static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
935 char __user *user_buf, size_t count,
936 loff_t *ppos,
937 struct iwl_mvm_frame_stats *stats)
938{
939 char *buff, *pos, *endpos;
940 int idx, i;
941 int ret;
942 static const size_t bufsz = 1024;
943
944 buff = kmalloc(bufsz, GFP_KERNEL);
945 if (!buff)
946 return -ENOMEM;
947
948 spin_lock_bh(&mvm->drv_stats_lock);
949
950 pos = buff;
951 endpos = pos + bufsz;
952
953 pos += scnprintf(pos, endpos - pos,
954 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
955 stats->legacy_frames,
956 stats->ht_frames,
957 stats->vht_frames);
958 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
959 stats->bw_20_frames,
960 stats->bw_40_frames,
961 stats->bw_80_frames);
962 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
963 stats->ngi_frames,
964 stats->sgi_frames);
965 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
966 stats->siso_frames,
967 stats->mimo2_frames);
968 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
969 stats->fail_frames,
970 stats->success_frames);
971 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
972 stats->agg_frames);
973 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
974 stats->ampdu_count);
975 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
976 stats->ampdu_count > 0 ?
977 (stats->agg_frames / stats->ampdu_count) : 0);
978
979 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
980
981 idx = stats->last_frame_idx - 1;
982 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
983 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
984 if (stats->last_rates[idx] == 0)
985 continue;
986 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
987 (int)(ARRAY_SIZE(stats->last_rates) - i));
988 pos += rs_pretty_print_rate_v1(pos, endpos - pos,
989 stats->last_rates[idx]);
990 if (pos < endpos - 1)
991 *pos++ = '\n';
992 }
993 spin_unlock_bh(&mvm->drv_stats_lock);
994
995 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
996 kfree(buff);
997
998 return ret;
999}
1000
1001static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1002 char __user *user_buf, size_t count,
1003 loff_t *ppos)
1004{
1005 struct iwl_mvm *mvm = file->private_data;
1006
1007 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1008 &mvm->drv_rx_stats);
1009}
1010
1011static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1012 size_t count, loff_t *ppos)
1013{
1014 int __maybe_unused ret;
1015
1016 if (!iwl_mvm_firmware_running(mvm))
1017 return -EIO;
1018
1019 mutex_lock(&mvm->mutex);
1020
1021
1022 if (mvm->fw_restart >= 0)
1023 mvm->fw_restart++;
1024
1025
1026 ret = iwl_mvm_send_cmd_pdu(mvm,
1027 WIDE_ID(LONG_GROUP, REPLY_ERROR),
1028 0, 0, NULL);
1029
1030 mutex_unlock(&mvm->mutex);
1031
1032 return count;
1033}
1034
1035static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1036 size_t count, loff_t *ppos)
1037{
1038 if (!iwl_mvm_firmware_running(mvm))
1039 return -EIO;
1040
1041 iwl_force_nmi(mvm->trans);
1042
1043 return count;
1044}
1045
1046static ssize_t
1047iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1048 char __user *user_buf,
1049 size_t count, loff_t *ppos)
1050{
1051 struct iwl_mvm *mvm = file->private_data;
1052 int pos = 0;
1053 char buf[32];
1054 const size_t bufsz = sizeof(buf);
1055
1056
1057 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1058 if (mvm->scan_rx_ant & ANT_A)
1059 pos += scnprintf(buf + pos, bufsz - pos, "A");
1060 if (mvm->scan_rx_ant & ANT_B)
1061 pos += scnprintf(buf + pos, bufsz - pos, "B");
1062 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
1063
1064 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1065}
1066
1067static ssize_t
1068iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1069 size_t count, loff_t *ppos)
1070{
1071 u8 scan_rx_ant;
1072
1073 if (!iwl_mvm_firmware_running(mvm))
1074 return -EIO;
1075
1076 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1077 return -EINVAL;
1078 if (scan_rx_ant > ANT_ABC)
1079 return -EINVAL;
1080 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1081 return -EINVAL;
1082
1083 if (mvm->scan_rx_ant != scan_rx_ant) {
1084 mvm->scan_rx_ant = scan_rx_ant;
1085 if (fw_has_capa(&mvm->fw->ucode_capa,
1086 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1087 iwl_mvm_config_scan(mvm);
1088 }
1089
1090 return count;
1091}
1092
1093static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1094 char *buf, size_t count,
1095 loff_t *ppos)
1096{
1097 struct iwl_rss_config_cmd cmd = {
1098 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1099 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1100 IWL_RSS_HASH_TYPE_IPV4_UDP |
1101 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1102 IWL_RSS_HASH_TYPE_IPV6_TCP |
1103 IWL_RSS_HASH_TYPE_IPV6_UDP |
1104 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1105 };
1106 int ret, i, num_repeats, nbytes = count / 2;
1107
1108 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1109 if (ret)
1110 return ret;
1111
1112
1113
1114
1115
1116
1117
1118
1119 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1120 for (i = 1; i < num_repeats; i++)
1121 memcpy(&cmd.indirection_table[i * nbytes],
1122 cmd.indirection_table, nbytes);
1123
1124 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1125 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1126
1127 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1128
1129 mutex_lock(&mvm->mutex);
1130 if (iwl_mvm_firmware_running(mvm))
1131 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1132 sizeof(cmd), &cmd);
1133 else
1134 ret = 0;
1135 mutex_unlock(&mvm->mutex);
1136
1137 return ret ?: count;
1138}
1139
1140static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1141 char *buf, size_t count,
1142 loff_t *ppos)
1143{
1144 struct iwl_op_mode *opmode = container_of((void *)mvm,
1145 struct iwl_op_mode,
1146 op_mode_specific);
1147 struct iwl_rx_cmd_buffer rxb = {
1148 ._rx_page_order = 0,
1149 .truesize = 0,
1150 ._offset = 0,
1151 };
1152 struct iwl_rx_packet *pkt;
1153 int bin_len = count / 2;
1154 int ret = -EINVAL;
1155
1156 if (!iwl_mvm_firmware_running(mvm))
1157 return -EIO;
1158
1159
1160 if (!mvm->trans->trans_cfg->mq_rx_supported)
1161 return -ENOTSUPP;
1162
1163 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1164 if (!rxb._page)
1165 return -ENOMEM;
1166 pkt = rxb_addr(&rxb);
1167
1168 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1169 if (ret)
1170 goto out;
1171
1172
1173 if (bin_len < sizeof(*pkt) ||
1174 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1175 goto out;
1176
1177 local_bh_disable();
1178 iwl_mvm_rx_mq(opmode, NULL, &rxb);
1179 local_bh_enable();
1180 ret = 0;
1181
1182out:
1183 iwl_free_rxb(&rxb);
1184
1185 return ret ?: count;
1186}
1187
1188static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1189{
1190 struct ieee80211_vif *vif;
1191 struct iwl_mvm_vif *mvmvif;
1192 struct sk_buff *beacon;
1193 struct ieee80211_tx_info *info;
1194 struct iwl_mac_beacon_cmd beacon_cmd = {};
1195 u8 rate;
1196 int i;
1197
1198 len /= 2;
1199
1200
1201 if (len >= U8_MAX)
1202 return -EINVAL;
1203
1204 if (!iwl_mvm_firmware_running(mvm))
1205 return -EIO;
1206
1207 if (!iwl_mvm_has_new_tx_api(mvm) &&
1208 !fw_has_api(&mvm->fw->ucode_capa,
1209 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1210 return -EINVAL;
1211
1212 mutex_lock(&mvm->mutex);
1213
1214 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1215 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1216 if (!vif)
1217 continue;
1218
1219 if (vif->type == NL80211_IFTYPE_AP)
1220 break;
1221 }
1222
1223 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1224 goto out_err;
1225
1226 mvm->hw->extra_beacon_tailroom = len;
1227
1228 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL);
1229 if (!beacon)
1230 goto out_err;
1231
1232 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1233 dev_kfree_skb(beacon);
1234 goto out_err;
1235 }
1236
1237 mvm->beacon_inject_active = true;
1238
1239 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1240 info = IEEE80211_SKB_CB(beacon);
1241 rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
1242
1243 beacon_cmd.flags =
1244 cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate));
1245 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1246 beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
1247
1248 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1249 &beacon_cmd.tim_size,
1250 beacon->data, beacon->len);
1251
1252 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1253 sizeof(beacon_cmd));
1254 mutex_unlock(&mvm->mutex);
1255
1256 dev_kfree_skb(beacon);
1257
1258 return 0;
1259
1260out_err:
1261 mutex_unlock(&mvm->mutex);
1262 return -EINVAL;
1263}
1264
1265static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1266 char *buf, size_t count,
1267 loff_t *ppos)
1268{
1269 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1270
1271 mvm->hw->extra_beacon_tailroom = 0;
1272 return ret ?: count;
1273}
1274
1275static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1276 char *buf,
1277 size_t count,
1278 loff_t *ppos)
1279{
1280 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1281
1282 mvm->hw->extra_beacon_tailroom = 0;
1283 mvm->beacon_inject_active = false;
1284 return ret ?: count;
1285}
1286
1287static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1288 char __user *user_buf,
1289 size_t count, loff_t *ppos)
1290{
1291 struct iwl_mvm *mvm = file->private_data;
1292 int conf;
1293 char buf[8];
1294 const size_t bufsz = sizeof(buf);
1295 int pos = 0;
1296
1297 mutex_lock(&mvm->mutex);
1298 conf = mvm->fwrt.dump.conf;
1299 mutex_unlock(&mvm->mutex);
1300
1301 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1302
1303 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1304}
1305
1306static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1307 char *buf, size_t count,
1308 loff_t *ppos)
1309{
1310 unsigned int conf_id;
1311 int ret;
1312
1313 if (!iwl_mvm_firmware_running(mvm))
1314 return -EIO;
1315
1316 ret = kstrtouint(buf, 0, &conf_id);
1317 if (ret)
1318 return ret;
1319
1320 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1321 return -EINVAL;
1322
1323 mutex_lock(&mvm->mutex);
1324 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1325 mutex_unlock(&mvm->mutex);
1326
1327 return ret ?: count;
1328}
1329
1330static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1331 char *buf, size_t count,
1332 loff_t *ppos)
1333{
1334 if (count == 0)
1335 return 0;
1336
1337 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
1338 NULL);
1339
1340 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1341 (count - 1), NULL);
1342
1343 return count;
1344}
1345
1346static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1347 char *buf, size_t count,
1348 loff_t *ppos)
1349{
1350 u32 timepoint;
1351
1352 if (kstrtou32(buf, 0, &timepoint))
1353 return -EINVAL;
1354
1355 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1356 timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1357 return -EINVAL;
1358
1359 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1360
1361 return count;
1362}
1363
1364#define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1365#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1366static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1367 char __user *user_buf,
1368 size_t count, loff_t *ppos)
1369{
1370 struct iwl_mvm *mvm = file->private_data;
1371 struct iwl_bcast_filter_cmd cmd;
1372 const struct iwl_fw_bcast_filter *filter;
1373 char *buf;
1374 int bufsz = 1024;
1375 int i, j, pos = 0;
1376 ssize_t ret;
1377
1378 buf = kzalloc(bufsz, GFP_KERNEL);
1379 if (!buf)
1380 return -ENOMEM;
1381
1382 mutex_lock(&mvm->mutex);
1383 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1384 ADD_TEXT("None\n");
1385 mutex_unlock(&mvm->mutex);
1386 goto out;
1387 }
1388 mutex_unlock(&mvm->mutex);
1389
1390 for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1391 filter = &cmd.filters[i];
1392
1393 ADD_TEXT("Filter [%d]:\n", i);
1394 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1395 ADD_TEXT("\tFrame Type: %s\n",
1396 filter->frame_type ? "IPv4" : "Generic");
1397
1398 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1399 const struct iwl_fw_bcast_filter_attr *attr;
1400
1401 attr = &filter->attrs[j];
1402 if (!attr->mask)
1403 break;
1404
1405 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1406 j, attr->offset,
1407 attr->offset_type ? "IP End" :
1408 "Payload Start",
1409 be32_to_cpu(attr->mask),
1410 be32_to_cpu(attr->val),
1411 le16_to_cpu(attr->reserved1));
1412 }
1413 }
1414out:
1415 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1416 kfree(buf);
1417 return ret;
1418}
1419
1420static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1421 size_t count, loff_t *ppos)
1422{
1423 int pos, next_pos;
1424 struct iwl_fw_bcast_filter filter = {};
1425 struct iwl_bcast_filter_cmd cmd;
1426 u32 filter_id, attr_id, mask, value;
1427 int err = 0;
1428
1429 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1430 &filter.frame_type, &pos) != 3)
1431 return -EINVAL;
1432
1433 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1434 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1435 return -EINVAL;
1436
1437 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1438 attr_id++) {
1439 struct iwl_fw_bcast_filter_attr *attr =
1440 &filter.attrs[attr_id];
1441
1442 if (pos >= count)
1443 break;
1444
1445 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1446 &attr->offset, &attr->offset_type,
1447 &mask, &value, &next_pos) != 4)
1448 return -EINVAL;
1449
1450 attr->mask = cpu_to_be32(mask);
1451 attr->val = cpu_to_be32(value);
1452 if (mask)
1453 filter.num_attrs++;
1454
1455 pos += next_pos;
1456 }
1457
1458 mutex_lock(&mvm->mutex);
1459 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1460 &filter, sizeof(filter));
1461
1462
1463 if (iwl_mvm_firmware_running(mvm) &&
1464 mvm->dbgfs_bcast_filtering.override &&
1465 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1466 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1467 sizeof(cmd), &cmd);
1468 mutex_unlock(&mvm->mutex);
1469
1470 return err ?: count;
1471}
1472
1473static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1474 char __user *user_buf,
1475 size_t count, loff_t *ppos)
1476{
1477 struct iwl_mvm *mvm = file->private_data;
1478 struct iwl_bcast_filter_cmd cmd;
1479 char *buf;
1480 int bufsz = 1024;
1481 int i, pos = 0;
1482 ssize_t ret;
1483
1484 buf = kzalloc(bufsz, GFP_KERNEL);
1485 if (!buf)
1486 return -ENOMEM;
1487
1488 mutex_lock(&mvm->mutex);
1489 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1490 ADD_TEXT("None\n");
1491 mutex_unlock(&mvm->mutex);
1492 goto out;
1493 }
1494 mutex_unlock(&mvm->mutex);
1495
1496 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1497 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1498
1499 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1500 i, mac->default_discard, mac->attached_filters);
1501 }
1502out:
1503 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1504 kfree(buf);
1505 return ret;
1506}
1507
1508static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1509 char *buf, size_t count,
1510 loff_t *ppos)
1511{
1512 struct iwl_bcast_filter_cmd cmd;
1513 struct iwl_fw_bcast_mac mac = {};
1514 u32 mac_id, attached_filters;
1515 int err = 0;
1516
1517 if (!mvm->bcast_filters)
1518 return -ENOENT;
1519
1520 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1521 &attached_filters) != 3)
1522 return -EINVAL;
1523
1524 if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1525 mac.default_discard > 1 ||
1526 attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1527 return -EINVAL;
1528
1529 mac.attached_filters = cpu_to_le16(attached_filters);
1530
1531 mutex_lock(&mvm->mutex);
1532 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1533 &mac, sizeof(mac));
1534
1535
1536 if (iwl_mvm_firmware_running(mvm) &&
1537 mvm->dbgfs_bcast_filtering.override &&
1538 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1539 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1540 sizeof(cmd), &cmd);
1541 mutex_unlock(&mvm->mutex);
1542
1543 return err ?: count;
1544}
1545#endif
1546
1547#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1548 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1549#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1550 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1551#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1552 debugfs_create_file(alias, mode, parent, mvm, \
1553 &iwl_dbgfs_##name##_ops); \
1554 } while (0)
1555#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1556 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1557
1558#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
1559 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1560#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
1561 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1562
1563#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
1564 debugfs_create_file(alias, mode, parent, sta, \
1565 &iwl_dbgfs_##name##_ops); \
1566 } while (0)
1567#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
1568 MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
1569
1570static ssize_t
1571iwl_dbgfs_prph_reg_read(struct file *file,
1572 char __user *user_buf,
1573 size_t count, loff_t *ppos)
1574{
1575 struct iwl_mvm *mvm = file->private_data;
1576 int pos = 0;
1577 char buf[32];
1578 const size_t bufsz = sizeof(buf);
1579
1580 if (!mvm->dbgfs_prph_reg_addr)
1581 return -EINVAL;
1582
1583 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1584 mvm->dbgfs_prph_reg_addr,
1585 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1586
1587 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1588}
1589
1590static ssize_t
1591iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1592 size_t count, loff_t *ppos)
1593{
1594 u8 args;
1595 u32 value;
1596
1597 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1598
1599 if (args == 1)
1600 goto out;
1601
1602
1603 if (args != 2)
1604 return -EINVAL;
1605
1606 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1607
1608out:
1609 return count;
1610}
1611
1612static ssize_t
1613iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1614 size_t count, loff_t *ppos)
1615{
1616 int ret;
1617
1618 if (!iwl_mvm_firmware_running(mvm))
1619 return -EIO;
1620
1621 mutex_lock(&mvm->mutex);
1622 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1623 mutex_unlock(&mvm->mutex);
1624
1625 return ret ?: count;
1626}
1627
1628struct iwl_mvm_sniffer_apply {
1629 struct iwl_mvm *mvm;
1630 u8 *bssid;
1631 u16 aid;
1632};
1633
1634static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1635 struct iwl_rx_packet *pkt, void *data)
1636{
1637 struct iwl_mvm_sniffer_apply *apply = data;
1638
1639 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1640 memcpy(apply->mvm->cur_bssid, apply->bssid,
1641 sizeof(apply->mvm->cur_bssid));
1642
1643 return true;
1644}
1645
1646static ssize_t
1647iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1648 size_t count, loff_t *ppos)
1649{
1650 struct iwl_notification_wait wait;
1651 struct iwl_he_monitor_cmd he_mon_cmd = {};
1652 struct iwl_mvm_sniffer_apply apply = {
1653 .mvm = mvm,
1654 };
1655 u16 wait_cmds[] = {
1656 iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0),
1657 };
1658 u32 aid;
1659 int ret;
1660
1661 if (!iwl_mvm_firmware_running(mvm))
1662 return -EIO;
1663
1664 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1665 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1666 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1667 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1668 if (ret != 7)
1669 return -EINVAL;
1670
1671 he_mon_cmd.aid = cpu_to_le16(aid);
1672
1673 apply.aid = aid;
1674 apply.bssid = (void *)he_mon_cmd.bssid;
1675
1676 mutex_lock(&mvm->mutex);
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687 iwl_init_notification_wait(&mvm->notif_wait, &wait,
1688 wait_cmds, ARRAY_SIZE(wait_cmds),
1689 iwl_mvm_sniffer_apply, &apply);
1690
1691 ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD,
1692 DATA_PATH_GROUP, 0), 0,
1693 sizeof(he_mon_cmd), &he_mon_cmd);
1694
1695
1696 iwl_remove_notification(&mvm->notif_wait, &wait);
1697
1698 mutex_unlock(&mvm->mutex);
1699
1700 return ret ?: count;
1701}
1702
1703static ssize_t
1704iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1705 size_t count, loff_t *ppos)
1706{
1707 struct iwl_mvm *mvm = file->private_data;
1708 u8 buf[32];
1709 int len;
1710
1711 len = scnprintf(buf, sizeof(buf),
1712 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1713 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1714 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1715 mvm->cur_bssid[4], mvm->cur_bssid[5]);
1716
1717 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1718}
1719
1720static ssize_t
1721iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1722 size_t count, loff_t *ppos)
1723{
1724 struct iwl_mvm *mvm = file->private_data;
1725 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1726 unsigned int pos = 0;
1727 size_t bufsz = sizeof(buf);
1728 int i;
1729
1730 mutex_lock(&mvm->mutex);
1731
1732 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1733 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1734 mvm->uapsd_noagg_bssids[i].addr);
1735
1736 mutex_unlock(&mvm->mutex);
1737
1738 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1739}
1740
1741static ssize_t
1742iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1743 char *buf, size_t count, loff_t *ppos)
1744{
1745 int ret;
1746 struct iwl_ltr_config_cmd ltr_config = {0};
1747
1748 if (!iwl_mvm_firmware_running(mvm))
1749 return -EIO;
1750
1751 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1752 <r_config.flags,
1753 <r_config.static_long,
1754 <r_config.static_short,
1755 <r_config.ltr_cfg_values[0],
1756 <r_config.ltr_cfg_values[1],
1757 <r_config.ltr_cfg_values[2],
1758 <r_config.ltr_cfg_values[3]) != 7) {
1759 return -EINVAL;
1760 }
1761
1762 mutex_lock(&mvm->mutex);
1763 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1764 <r_config);
1765 mutex_unlock(&mvm->mutex);
1766
1767 if (ret)
1768 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1769
1770 return ret ?: count;
1771}
1772
1773static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
1774 size_t count, loff_t *ppos)
1775{
1776 int ret = 0;
1777 u16 op_id;
1778
1779 if (kstrtou16(buf, 10, &op_id))
1780 return -EINVAL;
1781
1782
1783 if (!op_id) {
1784 mutex_lock(&mvm->mutex);
1785 ret = iwl_rfi_send_config_cmd(mvm, NULL);
1786 mutex_unlock(&mvm->mutex);
1787 } else {
1788 ret = -EOPNOTSUPP;
1789 }
1790
1791 return ret ?: count;
1792}
1793
1794
1795
1796
1797
1798
1799#define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
1800 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
1801
1802static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
1803 char __user *user_buf,
1804 size_t count, loff_t *ppos)
1805{
1806 struct iwl_mvm *mvm = file->private_data;
1807 struct iwl_rfi_freq_table_resp_cmd *resp;
1808 u32 status;
1809 char buf[IWL_RFI_BUF_SIZE];
1810 int i, j, pos = 0;
1811
1812 resp = iwl_rfi_get_freq_table(mvm);
1813 if (IS_ERR(resp))
1814 return PTR_ERR(resp);
1815
1816 status = le32_to_cpu(resp->status);
1817 if (status != RFI_FREQ_TABLE_OK) {
1818 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
1819 goto out;
1820 }
1821
1822 for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
1823 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
1824 resp->table[i].freq);
1825
1826 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
1827 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
1828 "(%d, %d) ",
1829 resp->table[i].channels[j],
1830 resp->table[i].bands[j]);
1831 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
1832 }
1833
1834out:
1835 kfree(resp);
1836 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1837}
1838
1839MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1840
1841
1842MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1843MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1844MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1845MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1846MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1847MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1848MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1849MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1850MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1851MVM_DEBUGFS_READ_FILE_OPS(stations);
1852MVM_DEBUGFS_READ_FILE_OPS(rs_data);
1853MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1854MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1855MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1856MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1857MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1858MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
1859MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
1860MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1861MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1862MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1863MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1864MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1865MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1866MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1867MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
1868MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1869 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1870MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1871MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1872MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1873
1874MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1875
1876#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1877MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1878MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1879#endif
1880
1881#ifdef CONFIG_ACPI
1882MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1883#endif
1884
1885MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
1886
1887MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1888
1889MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1890MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
1891
1892static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1893 size_t count, loff_t *ppos)
1894{
1895 struct iwl_mvm *mvm = file->private_data;
1896 struct iwl_dbg_mem_access_cmd cmd = {};
1897 struct iwl_dbg_mem_access_rsp *rsp;
1898 struct iwl_host_cmd hcmd = {
1899 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1900 .data = { &cmd, },
1901 .len = { sizeof(cmd) },
1902 };
1903 size_t delta;
1904 ssize_t ret, len;
1905
1906 if (!iwl_mvm_firmware_running(mvm))
1907 return -EIO;
1908
1909 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1910 DEBUG_GROUP, 0);
1911 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1912
1913
1914 delta = *ppos & 0x3;
1915 cmd.addr = cpu_to_le32(*ppos - delta);
1916 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1917 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1918
1919 mutex_lock(&mvm->mutex);
1920 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1921 mutex_unlock(&mvm->mutex);
1922
1923 if (ret < 0)
1924 return ret;
1925
1926 rsp = (void *)hcmd.resp_pkt->data;
1927 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1928 ret = -ENXIO;
1929 goto out;
1930 }
1931
1932 len = min((size_t)le32_to_cpu(rsp->len) << 2,
1933 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
1934 len = min(len - delta, count);
1935 if (len < 0) {
1936 ret = -EFAULT;
1937 goto out;
1938 }
1939
1940 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len);
1941 *ppos += ret;
1942
1943out:
1944 iwl_free_resp(&hcmd);
1945 return ret;
1946}
1947
1948static ssize_t iwl_dbgfs_mem_write(struct file *file,
1949 const char __user *user_buf, size_t count,
1950 loff_t *ppos)
1951{
1952 struct iwl_mvm *mvm = file->private_data;
1953 struct iwl_dbg_mem_access_cmd *cmd;
1954 struct iwl_dbg_mem_access_rsp *rsp;
1955 struct iwl_host_cmd hcmd = {};
1956 size_t cmd_size;
1957 size_t data_size;
1958 u32 op, len;
1959 ssize_t ret;
1960
1961 if (!iwl_mvm_firmware_running(mvm))
1962 return -EIO;
1963
1964 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1965 DEBUG_GROUP, 0);
1966
1967 if (*ppos & 0x3 || count < 4) {
1968 op = DEBUG_MEM_OP_WRITE_BYTES;
1969 len = min(count, (size_t)(4 - (*ppos & 0x3)));
1970 data_size = len;
1971 } else {
1972 op = DEBUG_MEM_OP_WRITE;
1973 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
1974 data_size = len << 2;
1975 }
1976
1977 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
1978 cmd = kzalloc(cmd_size, GFP_KERNEL);
1979 if (!cmd)
1980 return -ENOMEM;
1981
1982 cmd->op = cpu_to_le32(op);
1983 cmd->len = cpu_to_le32(len);
1984 cmd->addr = cpu_to_le32(*ppos);
1985 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
1986 kfree(cmd);
1987 return -EFAULT;
1988 }
1989
1990 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1991 hcmd.data[0] = (void *)cmd;
1992 hcmd.len[0] = cmd_size;
1993
1994 mutex_lock(&mvm->mutex);
1995 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1996 mutex_unlock(&mvm->mutex);
1997
1998 kfree(cmd);
1999
2000 if (ret < 0)
2001 return ret;
2002
2003 rsp = (void *)hcmd.resp_pkt->data;
2004 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2005 ret = -ENXIO;
2006 goto out;
2007 }
2008
2009 ret = data_size;
2010 *ppos += ret;
2011
2012out:
2013 iwl_free_resp(&hcmd);
2014 return ret;
2015}
2016
2017static const struct file_operations iwl_dbgfs_mem_ops = {
2018 .read = iwl_dbgfs_mem_read,
2019 .write = iwl_dbgfs_mem_write,
2020 .open = simple_open,
2021 .llseek = default_llseek,
2022};
2023
2024void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
2025 struct ieee80211_vif *vif,
2026 struct ieee80211_sta *sta,
2027 struct dentry *dir)
2028{
2029 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2030
2031 if (iwl_mvm_has_tlc_offload(mvm)) {
2032 MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
2033 }
2034 MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600);
2035}
2036
2037void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
2038{
2039 struct dentry *bcast_dir __maybe_unused;
2040 char buf[100];
2041
2042 spin_lock_init(&mvm->drv_stats_lock);
2043
2044 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2045 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
2046 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2047 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2048 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
2049 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
2050 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
2051 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
2052 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
2053 MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400);
2054 MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400);
2055 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2056 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
2057 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2058 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2059 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2060 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2061 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
2062 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
2063 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2064 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2065 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2066 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
2067 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2068 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2069 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2070 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2071 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2072 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
2073
2074 if (mvm->fw->phy_integration_ver)
2075 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
2076#ifdef CONFIG_ACPI
2077 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
2078#endif
2079 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2080
2081 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2082 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2083
2084 debugfs_create_bool("enable_scan_iteration_notif", 0600,
2085 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2086 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2087 &mvm->drop_bcn_ap_mode);
2088
2089 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2090
2091#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2092 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
2093 bcast_dir = debugfs_create_dir("bcast_filtering",
2094 mvm->debugfs_dir);
2095
2096 debugfs_create_bool("override", 0600, bcast_dir,
2097 &mvm->dbgfs_bcast_filtering.override);
2098
2099 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
2100 bcast_dir, 0600);
2101 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
2102 bcast_dir, 0600);
2103 }
2104#endif
2105
2106#ifdef CONFIG_PM_SLEEP
2107 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2108 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2109 &mvm->d3_wake_sysassert);
2110 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2111 &mvm->last_netdetect_scans);
2112#endif
2113
2114 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2115 &mvm->ps_disabled);
2116 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2117 &mvm->nvm_hw_blob);
2118 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2119 &mvm->nvm_sw_blob);
2120 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2121 &mvm->nvm_calib_blob);
2122 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2123 &mvm->nvm_prod_blob);
2124 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2125 &mvm->nvm_phy_sku_blob);
2126 debugfs_create_blob("nvm_reg", S_IRUSR,
2127 mvm->debugfs_dir, &mvm->nvm_reg_blob);
2128
2129 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
2130 &iwl_dbgfs_mem_ops);
2131
2132
2133
2134
2135
2136 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
2137 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf);
2138}
2139
