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1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/*
3 * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7#include <linux/vmalloc.h>
8#include <linux/err.h>
9#include <linux/ieee80211.h>
10#include <linux/netdevice.h>
11#include <linux/dmi.h>
12
13#include "mvm.h"
14#include "sta.h"
15#include "iwl-io.h"
16#include "debugfs.h"
17#include "iwl-modparams.h"
18#include "iwl-drv.h"
19#include "fw/error-dump.h"
20#include "fw/api/phy-ctxt.h"
21
22static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
23 char __user *user_buf,
24 size_t count, loff_t *ppos)
25{
26 struct iwl_mvm *mvm = file->private_data;
27 char buf[16];
28 int pos, budget;
29
30 if (!iwl_mvm_is_ctdp_supported(mvm))
31 return -EOPNOTSUPP;
32
33 if (!iwl_mvm_firmware_running(mvm) ||
34 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
35 return -EIO;
36
37 mutex_lock(&mvm->mutex);
38 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
39 mutex_unlock(&mvm->mutex);
40
41 if (budget < 0)
42 return budget;
43
44 pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
45
46 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
47}
48
49static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
50 size_t count, loff_t *ppos)
51{
52 int ret;
53 bool force;
54
55 if (!kstrtobool(buf, &force))
56 IWL_DEBUG_INFO(mvm,
57 "force start is %d [0=disabled, 1=enabled]\n",
58 force);
59
60 /* we allow skipping cap support check and force stop ctdp
61 * statistics collection and with guerantee that it is
62 * safe to use.
63 */
64 if (!force && !iwl_mvm_is_ctdp_supported(mvm))
65 return -EOPNOTSUPP;
66
67 if (!iwl_mvm_firmware_running(mvm) ||
68 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
69 return -EIO;
70
71 mutex_lock(&mvm->mutex);
72 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
73 mutex_unlock(&mvm->mutex);
74
75 return ret ?: count;
76}
77
78static ssize_t iwl_dbgfs_start_ctdp_write(struct iwl_mvm *mvm,
79 char *buf, size_t count,
80 loff_t *ppos)
81{
82 int ret;
83 bool force;
84
85 if (!kstrtobool(buf, &force))
86 IWL_DEBUG_INFO(mvm,
87 "force start is %d [0=disabled, 1=enabled]\n",
88 force);
89
90 /* we allow skipping cap support check and force enable ctdp
91 * for statistics collection and with guerantee that it is
92 * safe to use.
93 */
94 if (!force && !iwl_mvm_is_ctdp_supported(mvm))
95 return -EOPNOTSUPP;
96
97 if (!iwl_mvm_firmware_running(mvm) ||
98 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
99 return -EIO;
100
101 mutex_lock(&mvm->mutex);
102 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 0);
103 mutex_unlock(&mvm->mutex);
104
105 return ret ?: count;
106}
107
108static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
109 size_t count, loff_t *ppos)
110{
111 if (!iwl_mvm_firmware_running(mvm) ||
112 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
113 return -EIO;
114
115 iwl_mvm_enter_ctkill(mvm);
116
117 return count;
118}
119
120static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
121 size_t count, loff_t *ppos)
122{
123 int ret;
124 u32 flush_arg;
125
126 if (!iwl_mvm_firmware_running(mvm) ||
127 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
128 return -EIO;
129
130 if (kstrtou32(buf, 0, &flush_arg))
131 return -EINVAL;
132
133 if (iwl_mvm_has_new_tx_api(mvm)) {
134 IWL_DEBUG_TX_QUEUES(mvm,
135 "FLUSHING all tids queues on sta_id = %d\n",
136 flush_arg);
137 mutex_lock(&mvm->mutex);
138 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
139 ? : count;
140 mutex_unlock(&mvm->mutex);
141 return ret;
142 }
143
144 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
145 flush_arg);
146
147 mutex_lock(&mvm->mutex);
148 ret = iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
149 mutex_unlock(&mvm->mutex);
150
151 return ret;
152}
153
154static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
155 size_t count, loff_t *ppos)
156{
157 struct iwl_mvm_sta *mvmsta;
158 int sta_id, drain, ret;
159
160 if (!iwl_mvm_firmware_running(mvm) ||
161 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
162 return -EIO;
163
164 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
165 return -EINVAL;
166 if (sta_id < 0 || sta_id >= mvm->fw->ucode_capa.num_stations)
167 return -EINVAL;
168 if (drain < 0 || drain > 1)
169 return -EINVAL;
170
171 mutex_lock(&mvm->mutex);
172
173 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
174
175 if (!mvmsta)
176 ret = -ENOENT;
177 else
178 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
179
180 mutex_unlock(&mvm->mutex);
181
182 return ret;
183}
184
185static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
186 size_t count, loff_t *ppos)
187{
188 struct iwl_mvm *mvm = file->private_data;
189 const struct fw_img *img;
190 unsigned int ofs, len;
191 size_t ret;
192 u8 *ptr;
193
194 if (!iwl_mvm_firmware_running(mvm))
195 return -EINVAL;
196
197 /* default is to dump the entire data segment */
198 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
199 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
200 len = img->sec[IWL_UCODE_SECTION_DATA].len;
201
202 if (mvm->dbgfs_sram_len) {
203 ofs = mvm->dbgfs_sram_offset;
204 len = mvm->dbgfs_sram_len;
205 }
206
207 ptr = kzalloc(len, GFP_KERNEL);
208 if (!ptr)
209 return -ENOMEM;
210
211 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
212
213 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
214
215 kfree(ptr);
216
217 return ret;
218}
219
220static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
221 size_t count, loff_t *ppos)
222{
223 const struct fw_img *img;
224 u32 offset, len;
225 u32 img_offset, img_len;
226
227 if (!iwl_mvm_firmware_running(mvm))
228 return -EINVAL;
229
230 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
231 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
232 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
233
234 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
235 if ((offset & 0x3) || (len & 0x3))
236 return -EINVAL;
237
238 if (offset + len > img_offset + img_len)
239 return -EINVAL;
240
241 mvm->dbgfs_sram_offset = offset;
242 mvm->dbgfs_sram_len = len;
243 } else {
244 mvm->dbgfs_sram_offset = 0;
245 mvm->dbgfs_sram_len = 0;
246 }
247
248 return count;
249}
250
251static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
252 char __user *user_buf,
253 size_t count, loff_t *ppos)
254{
255 struct iwl_mvm *mvm = file->private_data;
256 char buf[16];
257 int pos;
258
259 if (!mvm->temperature_test)
260 pos = scnprintf(buf, sizeof(buf), "disabled\n");
261 else
262 pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature);
263
264 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
265}
266
267/*
268 * Set NIC Temperature
269 * Cause the driver to ignore the actual NIC temperature reported by the FW
270 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
271 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
272 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
273 */
274static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
275 char *buf, size_t count,
276 loff_t *ppos)
277{
278 int temperature;
279
280 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
281 return -EIO;
282
283 if (kstrtoint(buf, 10, &temperature))
284 return -EINVAL;
285 /* not a legal temperature */
286 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
287 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
288 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
289 return -EINVAL;
290
291 mutex_lock(&mvm->mutex);
292 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
293 if (!mvm->temperature_test)
294 goto out;
295
296 mvm->temperature_test = false;
297 /* Since we can't read the temp while awake, just set
298 * it to zero until we get the next RX stats from the
299 * firmware.
300 */
301 mvm->temperature = 0;
302 } else {
303 mvm->temperature_test = true;
304 mvm->temperature = temperature;
305 }
306 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
307 mvm->temperature_test ? "En" : "Dis",
308 mvm->temperature);
309 /* handle the temperature change */
310 iwl_mvm_tt_handler(mvm);
311
312out:
313 mutex_unlock(&mvm->mutex);
314
315 return count;
316}
317
318static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
319 char __user *user_buf,
320 size_t count, loff_t *ppos)
321{
322 struct iwl_mvm *mvm = file->private_data;
323 char buf[16];
324 int pos, ret;
325 s32 temp;
326
327 if (!iwl_mvm_firmware_running(mvm))
328 return -EIO;
329
330 mutex_lock(&mvm->mutex);
331 ret = iwl_mvm_get_temp(mvm, &temp);
332 mutex_unlock(&mvm->mutex);
333
334 if (ret)
335 return -EIO;
336
337 pos = scnprintf(buf, sizeof(buf), "%d\n", temp);
338
339 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
340}
341
342#ifdef CONFIG_ACPI
343static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
344 char __user *user_buf,
345 size_t count, loff_t *ppos)
346{
347 struct iwl_mvm *mvm = file->private_data;
348 char buf[256];
349 int pos = 0;
350 int bufsz = sizeof(buf);
351 int tbl_idx;
352
353 if (!iwl_mvm_firmware_running(mvm))
354 return -EIO;
355
356 mutex_lock(&mvm->mutex);
357 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
358 if (tbl_idx < 0) {
359 mutex_unlock(&mvm->mutex);
360 return tbl_idx;
361 }
362
363 if (!tbl_idx) {
364 pos = scnprintf(buf, bufsz,
365 "SAR geographic profile disabled\n");
366 } else {
367 pos += scnprintf(buf + pos, bufsz - pos,
368 "Use geographic profile %d\n", tbl_idx);
369 pos += scnprintf(buf + pos, bufsz - pos,
370 "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
371 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
372 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
373 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
374 pos += scnprintf(buf + pos, bufsz - pos,
375 "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
376 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
377 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
378 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
379 }
380 mutex_unlock(&mvm->mutex);
381
382 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
383}
384
385static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file,
386 char __user *user_buf,
387 size_t count, loff_t *ppos)
388{
389 struct iwl_mvm *mvm = file->private_data;
390 int err, pos;
391 char buf[12];
392 u32 value;
393
394 err = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
395 DSM_FUNC_ENABLE_6E,
396 &iwl_guid, &value);
397 if (err)
398 return err;
399
400 pos = sprintf(buf, "0x%08x\n", value);
401
402 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
403}
404#endif
405
406static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
407 size_t count, loff_t *ppos)
408{
409 struct iwl_mvm *mvm = file->private_data;
410 struct ieee80211_sta *sta;
411 char buf[400];
412 int i, pos = 0, bufsz = sizeof(buf);
413
414 mutex_lock(&mvm->mutex);
415
416 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
417 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
418 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
419 lockdep_is_held(&mvm->mutex));
420 if (!sta)
421 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
422 else if (IS_ERR(sta))
423 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
424 PTR_ERR(sta));
425 else
426 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
427 sta->addr);
428 }
429
430 mutex_unlock(&mvm->mutex);
431
432 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
433}
434
435static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta,
436 struct iwl_mvm_sta *mvmsta,
437 struct iwl_mvm *mvm,
438 struct iwl_mvm_link_sta *mvm_link_sta,
439 char __user *user_buf,
440 size_t count, loff_t *ppos)
441{
442 struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw;
443 static const size_t bufsz = 2048;
444 char *buff;
445 int desc = 0;
446 ssize_t ret;
447
448 buff = kmalloc(bufsz, GFP_KERNEL);
449 if (!buff)
450 return -ENOMEM;
451
452 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
453 lq_sta->pers.sta_id);
454 desc += scnprintf(buff + desc, bufsz - desc,
455 "fixed rate 0x%X\n",
456 lq_sta->pers.dbg_fixed_rate);
457 desc += scnprintf(buff + desc, bufsz - desc,
458 "A-MPDU size limit %d\n",
459 lq_sta->pers.dbg_agg_frame_count_lim);
460 desc += scnprintf(buff + desc, bufsz - desc,
461 "valid_tx_ant %s%s\n",
462 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
463 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
464 desc += scnprintf(buff + desc, bufsz - desc,
465 "last tx rate=0x%X ",
466 lq_sta->last_rate_n_flags);
467
468 desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
469 lq_sta->last_rate_n_flags);
470 if (desc < bufsz - 1)
471 buff[desc++] = '\n';
472
473 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
474 kfree(buff);
475 return ret;
476}
477
478static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta,
479 struct iwl_mvm_sta *mvmsta,
480 struct iwl_mvm *mvm,
481 struct iwl_mvm_link_sta *mvm_link_sta,
482 char *buf, size_t count,
483 loff_t *ppos)
484{
485 int i;
486 u16 amsdu_len;
487
488 if (kstrtou16(buf, 0, &amsdu_len))
489 return -EINVAL;
490
491 /* only change from debug set <-> debug unset */
492 if (amsdu_len && mvm_link_sta->orig_amsdu_len)
493 return -EBUSY;
494
495 if (amsdu_len) {
496 mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len;
497 link_sta->agg.max_amsdu_len = amsdu_len;
498 link_sta->agg.max_amsdu_len = amsdu_len;
499 for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++)
500 link_sta->agg.max_tid_amsdu_len[i] = amsdu_len;
501 } else {
502 link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len;
503 mvm_link_sta->orig_amsdu_len = 0;
504 }
505
506 ieee80211_sta_recalc_aggregates(link_sta->sta);
507
508 return count;
509}
510
511static ssize_t iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta *link_sta,
512 struct iwl_mvm_sta *mvmsta,
513 struct iwl_mvm *mvm,
514 struct iwl_mvm_link_sta *mvm_link_sta,
515 char __user *user_buf,
516 size_t count, loff_t *ppos)
517{
518 char buf[32];
519 int pos;
520
521 pos = scnprintf(buf, sizeof(buf), "current %d ",
522 link_sta->agg.max_amsdu_len);
523 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
524 mvm_link_sta->orig_amsdu_len);
525
526 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
527}
528
529static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
530 char __user *user_buf,
531 size_t count, loff_t *ppos)
532{
533 struct iwl_mvm *mvm = file->private_data;
534 char buf[64];
535 int bufsz = sizeof(buf);
536 int pos = 0;
537
538 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
539 mvm->disable_power_off);
540 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
541 mvm->disable_power_off_d3);
542
543 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
544}
545
546static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
547 size_t count, loff_t *ppos)
548{
549 int ret, val;
550
551 if (!iwl_mvm_firmware_running(mvm))
552 return -EIO;
553
554 if (!strncmp("disable_power_off_d0=", buf, 21)) {
555 if (sscanf(buf + 21, "%d", &val) != 1)
556 return -EINVAL;
557 mvm->disable_power_off = val;
558 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
559 if (sscanf(buf + 21, "%d", &val) != 1)
560 return -EINVAL;
561 mvm->disable_power_off_d3 = val;
562 } else {
563 return -EINVAL;
564 }
565
566 mutex_lock(&mvm->mutex);
567 ret = iwl_mvm_power_update_device(mvm);
568 mutex_unlock(&mvm->mutex);
569
570 return ret ?: count;
571}
572
573static
574int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
575 int pos, int bufsz)
576{
577 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
578
579 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
580 BT_MBOX_PRINT(0, LE_PROF1, false);
581 BT_MBOX_PRINT(0, LE_PROF2, false);
582 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
583 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
584 BT_MBOX_PRINT(0, INBAND_S, false);
585 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
586 BT_MBOX_PRINT(0, LE_SCAN, false);
587 BT_MBOX_PRINT(0, LE_ADV, false);
588 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
589 BT_MBOX_PRINT(0, OPEN_CON_1, true);
590
591 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
592
593 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
594 BT_MBOX_PRINT(1, IP_SR, false);
595 BT_MBOX_PRINT(1, LE_MSTR, false);
596 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
597 BT_MBOX_PRINT(1, MSG_TYPE, false);
598 BT_MBOX_PRINT(1, SSN, true);
599
600 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
601
602 BT_MBOX_PRINT(2, SNIFF_ACT, false);
603 BT_MBOX_PRINT(2, PAG, false);
604 BT_MBOX_PRINT(2, INQUIRY, false);
605 BT_MBOX_PRINT(2, CONN, false);
606 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
607 BT_MBOX_PRINT(2, DISC, false);
608 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
609 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
610 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
611 BT_MBOX_PRINT(2, SCO_DURATION, true);
612
613 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
614
615 BT_MBOX_PRINT(3, SCO_STATE, false);
616 BT_MBOX_PRINT(3, SNIFF_STATE, false);
617 BT_MBOX_PRINT(3, A2DP_STATE, false);
618 BT_MBOX_PRINT(3, A2DP_SRC, false);
619 BT_MBOX_PRINT(3, ACL_STATE, false);
620 BT_MBOX_PRINT(3, MSTR_STATE, false);
621 BT_MBOX_PRINT(3, OBX_STATE, false);
622 BT_MBOX_PRINT(3, OPEN_CON_2, false);
623 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
624 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
625 BT_MBOX_PRINT(3, INBAND_P, false);
626 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
627 BT_MBOX_PRINT(3, SSN_2, false);
628 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
629
630 return pos;
631}
632
633static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
634 size_t count, loff_t *ppos)
635{
636 struct iwl_mvm *mvm = file->private_data;
637 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
638 char *buf;
639 int ret, pos = 0, bufsz = sizeof(char) * 1024;
640
641 buf = kmalloc(bufsz, GFP_KERNEL);
642 if (!buf)
643 return -ENOMEM;
644
645 mutex_lock(&mvm->mutex);
646
647 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
648
649 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
650 notif->bt_ci_compliance);
651 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
652 le32_to_cpu(notif->primary_ch_lut));
653 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
654 le32_to_cpu(notif->secondary_ch_lut));
655 pos += scnprintf(buf + pos,
656 bufsz - pos, "bt_activity_grading = %d\n",
657 le32_to_cpu(notif->bt_activity_grading));
658 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
659 notif->rrc_status & 0xF);
660 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
661 notif->ttc_status & 0xF);
662
663 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
664 IWL_MVM_BT_COEX_SYNC2SCO);
665 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
666 IWL_MVM_BT_COEX_MPLUT);
667
668 mutex_unlock(&mvm->mutex);
669
670 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
671 kfree(buf);
672
673 return ret;
674}
675#undef BT_MBOX_PRINT
676
677static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
678 size_t count, loff_t *ppos)
679{
680 struct iwl_mvm *mvm = file->private_data;
681 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
682 char buf[256];
683 int bufsz = sizeof(buf);
684 int pos = 0;
685
686 mutex_lock(&mvm->mutex);
687
688 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
689 pos += scnprintf(buf + pos, bufsz - pos,
690 "\tPrimary Channel Bitmap 0x%016llx\n",
691 le64_to_cpu(cmd->bt_primary_ci));
692 pos += scnprintf(buf + pos, bufsz - pos,
693 "\tSecondary Channel Bitmap 0x%016llx\n",
694 le64_to_cpu(cmd->bt_secondary_ci));
695
696 mutex_unlock(&mvm->mutex);
697
698 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
699}
700
701static ssize_t
702iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
703 size_t count, loff_t *ppos)
704{
705 u32 bt_tx_prio;
706
707 if (sscanf(buf, "%u", &bt_tx_prio) != 1)
708 return -EINVAL;
709 if (bt_tx_prio > 4)
710 return -EINVAL;
711
712 mvm->bt_tx_prio = bt_tx_prio;
713
714 return count;
715}
716
717static ssize_t
718iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
719 size_t count, loff_t *ppos)
720{
721 static const char * const modes_str[BT_FORCE_ANT_MAX] = {
722 [BT_FORCE_ANT_DIS] = "dis",
723 [BT_FORCE_ANT_AUTO] = "auto",
724 [BT_FORCE_ANT_BT] = "bt",
725 [BT_FORCE_ANT_WIFI] = "wifi",
726 };
727 int ret, bt_force_ant_mode;
728
729 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
730 if (ret < 0)
731 return ret;
732
733 bt_force_ant_mode = ret;
734 ret = 0;
735 mutex_lock(&mvm->mutex);
736 if (mvm->bt_force_ant_mode == bt_force_ant_mode)
737 goto out;
738
739 mvm->bt_force_ant_mode = bt_force_ant_mode;
740 IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
741 modes_str[mvm->bt_force_ant_mode]);
742
743 if (iwl_mvm_firmware_running(mvm))
744 ret = iwl_mvm_send_bt_init_conf(mvm);
745 else
746 ret = 0;
747
748out:
749 mutex_unlock(&mvm->mutex);
750 return ret ?: count;
751}
752
753static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
754 size_t count, loff_t *ppos)
755{
756 struct iwl_mvm *mvm = file->private_data;
757 char *buff, *pos, *endpos;
758 static const size_t bufsz = 1024;
759 char _fw_name_pre[FW_NAME_PRE_BUFSIZE];
760 int ret;
761
762 buff = kmalloc(bufsz, GFP_KERNEL);
763 if (!buff)
764 return -ENOMEM;
765
766 pos = buff;
767 endpos = pos + bufsz;
768
769 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
770 iwl_drv_get_fwname_pre(mvm->trans, _fw_name_pre));
771 pos += scnprintf(pos, endpos - pos, "FW: %s\n",
772 mvm->fwrt.fw->human_readable);
773 pos += scnprintf(pos, endpos - pos, "Device: %s\n",
774 mvm->fwrt.trans->name);
775 pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
776 mvm->fwrt.dev->bus->name);
777
778 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
779 kfree(buff);
780
781 return ret;
782}
783
784static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
785 char __user *user_buf,
786 size_t count, loff_t *ppos)
787{
788 struct iwl_mvm *mvm = file->private_data;
789 struct iwl_mvm_tas_status_resp tas_rsp;
790 struct iwl_mvm_tas_status_resp *rsp = &tas_rsp;
791 static const size_t bufsz = 1024;
792 char *buff, *pos, *endpos;
793 const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
794 [TAS_DISABLED_DUE_TO_BIOS] =
795 "Due To BIOS",
796 [TAS_DISABLED_DUE_TO_SAR_6DBM] =
797 "Due To SAR Limit Less Than 6 dBm",
798 [TAS_DISABLED_REASON_INVALID] =
799 "N/A",
800 };
801 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
802 [TAS_DYNA_INACTIVE] = "INACTIVE",
803 [TAS_DYNA_INACTIVE_MVM_MODE] =
804 "inactive due to mvm mode",
805 [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
806 "inactive due to trigger mode",
807 [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
808 "inactive due to block listed",
809 [TAS_DYNA_INACTIVE_UHB_NON_US] =
810 "inactive due to uhb non US",
811 [TAS_DYNA_ACTIVE] = "ACTIVE",
812 };
813 struct iwl_host_cmd hcmd = {
814 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
815 .flags = CMD_WANT_SKB,
816 .len = { 0, },
817 .data = { NULL, },
818 };
819 int ret, i, tmp;
820 bool tas_enabled = false;
821 unsigned long dyn_status;
822
823 if (!iwl_mvm_firmware_running(mvm))
824 return -ENODEV;
825
826 mutex_lock(&mvm->mutex);
827 ret = iwl_mvm_send_cmd(mvm, &hcmd);
828 mutex_unlock(&mvm->mutex);
829 if (ret < 0)
830 return ret;
831
832 buff = kzalloc(bufsz, GFP_KERNEL);
833 if (!buff)
834 return -ENOMEM;
835 pos = buff;
836 endpos = pos + bufsz;
837
838 rsp = (void *)hcmd.resp_pkt->data;
839
840 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
841 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
842 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
843 rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
844 pos += scnprintf(pos, endpos - pos, "\tON for ");
845 switch (rsp->tas_status_mac[i].band) {
846 case TAS_LMAC_BAND_HB:
847 pos += scnprintf(pos, endpos - pos, "HB\n");
848 break;
849 case TAS_LMAC_BAND_LB:
850 pos += scnprintf(pos, endpos - pos, "LB\n");
851 break;
852 case TAS_LMAC_BAND_UHB:
853 pos += scnprintf(pos, endpos - pos, "UHB\n");
854 break;
855 case TAS_LMAC_BAND_INVALID:
856 pos += scnprintf(pos, endpos - pos,
857 "INVALID BAND\n");
858 break;
859 default:
860 pos += scnprintf(pos, endpos - pos,
861 "Unsupported band (%d)\n",
862 rsp->tas_status_mac[i].band);
863 goto out;
864 }
865 tas_enabled = true;
866 }
867 }
868 if (!tas_enabled)
869 pos += scnprintf(pos, endpos - pos, "\tOFF\n");
870
871 pos += scnprintf(pos, endpos - pos, "TAS Report\n");
872 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
873 rsp->tas_fw_version);
874 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
875 rsp->is_uhb_for_usa_enable ? "True" : "False");
876 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
877 le16_to_cpu(rsp->curr_mcc));
878
879 pos += scnprintf(pos, endpos - pos, "Block list entries:");
880 for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++)
881 pos += scnprintf(pos, endpos - pos, " 0x%x",
882 le16_to_cpu(rsp->block_list[i]));
883
884 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
885 dmi_get_system_info(DMI_SYS_VENDOR));
886 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
887 iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO");
888 pos += scnprintf(pos, endpos - pos,
889 "\tDo TAS Support Dual Radio?: %s\n",
890 rsp->in_dual_radio ? "TRUE" : "FALSE");
891
892 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
893 if (rsp->tas_status_mac[i].static_status == 0) {
894 pos += scnprintf(pos, endpos - pos,
895 "Static status: disabled\n");
896 pos += scnprintf(pos, endpos - pos,
897 "Static disabled reason: %s (0)\n",
898 tas_dis_reason[0]);
899 goto out;
900 }
901
902 pos += scnprintf(pos, endpos - pos, "TAS status for ");
903 switch (rsp->tas_status_mac[i].band) {
904 case TAS_LMAC_BAND_HB:
905 pos += scnprintf(pos, endpos - pos, "High band\n");
906 break;
907 case TAS_LMAC_BAND_LB:
908 pos += scnprintf(pos, endpos - pos, "Low band\n");
909 break;
910 case TAS_LMAC_BAND_UHB:
911 pos += scnprintf(pos, endpos - pos,
912 "Ultra high band\n");
913 break;
914 case TAS_LMAC_BAND_INVALID:
915 pos += scnprintf(pos, endpos - pos,
916 "INVALID band\n");
917 break;
918 default:
919 pos += scnprintf(pos, endpos - pos,
920 "Unsupported band (%d)\n",
921 rsp->tas_status_mac[i].band);
922 goto out;
923 }
924 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
925 rsp->tas_status_mac[i].static_status ?
926 "En" : "Dis");
927 pos += scnprintf(pos, endpos - pos,
928 "\tStatic Disabled Reason: ");
929 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
930 pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
931 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
932 rsp->tas_status_mac[i].static_dis_reason);
933 else
934 pos += scnprintf(pos, endpos - pos,
935 "unsupported value (%d)\n",
936 rsp->tas_status_mac[i].static_dis_reason);
937
938 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
939 dyn_status = (rsp->tas_status_mac[i].dynamic_status);
940 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
941 if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
942 pos += scnprintf(pos, endpos - pos,
943 "\t%s (%d)\n",
944 tas_current_status[tmp], tmp);
945 }
946
947 pos += scnprintf(pos, endpos - pos,
948 "Is near disconnection?: %s\n",
949 rsp->tas_status_mac[i].near_disconnection ?
950 "True" : "False");
951 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
952 pos += scnprintf(pos, endpos - pos,
953 "Max. regulatory pwr limit (dBm): %d.%03d\n",
954 tmp / 8, 125 * (tmp % 8));
955 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
956 pos += scnprintf(pos, endpos - pos,
957 "SAR limit (dBm): %d.%03d\n",
958 tmp / 8, 125 * (tmp % 8));
959 }
960
961out:
962 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
963 kfree(buff);
964 iwl_free_resp(&hcmd);
965 return ret;
966}
967
968static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
969 char __user *user_buf,
970 size_t count, loff_t *ppos)
971{
972 struct iwl_mvm *mvm = file->private_data;
973 char *buf;
974 size_t bufsz;
975 int pos;
976 ssize_t ret;
977
978 bufsz = mvm->fw->phy_integration_ver_len + 2;
979 buf = kmalloc(bufsz, GFP_KERNEL);
980 if (!buf)
981 return -ENOMEM;
982
983 pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
984 mvm->fw->phy_integration_ver);
985
986 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
987
988 kfree(buf);
989 return ret;
990}
991
992#define PRINT_STATS_LE32(_struct, _memb) \
993 pos += scnprintf(buf + pos, bufsz - pos, \
994 fmt_table, #_memb, \
995 le32_to_cpu(_struct->_memb))
996
997static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
998 char __user *user_buf, size_t count,
999 loff_t *ppos)
1000{
1001 struct iwl_mvm *mvm = file->private_data;
1002 static const char *fmt_table = "\t%-30s %10u\n";
1003 static const char *fmt_header = "%-32s\n";
1004 int pos = 0;
1005 char *buf;
1006 int ret;
1007 size_t bufsz;
1008 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
1009 WIDE_ID(SYSTEM_GROUP,
1010 SYSTEM_STATISTICS_CMD),
1011 IWL_FW_CMD_VER_UNKNOWN);
1012
1013 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
1014 return -EOPNOTSUPP;
1015
1016 if (iwl_mvm_has_new_rx_stats_api(mvm))
1017 bufsz = ((sizeof(struct mvm_statistics_rx) /
1018 sizeof(__le32)) * 43) + (4 * 33) + 1;
1019 else
1020 /* 43 = size of each data line; 33 = size of each header */
1021 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
1022 sizeof(__le32)) * 43) + (4 * 33) + 1;
1023
1024 buf = kzalloc(bufsz, GFP_KERNEL);
1025 if (!buf)
1026 return -ENOMEM;
1027
1028 mutex_lock(&mvm->mutex);
1029
1030 if (iwl_mvm_firmware_running(mvm))
1031 iwl_mvm_request_statistics(mvm, false);
1032
1033 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
1034 "Statistics_Rx - OFDM");
1035 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1036 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
1037
1038 PRINT_STATS_LE32(ofdm, ina_cnt);
1039 PRINT_STATS_LE32(ofdm, fina_cnt);
1040 PRINT_STATS_LE32(ofdm, plcp_err);
1041 PRINT_STATS_LE32(ofdm, crc32_err);
1042 PRINT_STATS_LE32(ofdm, overrun_err);
1043 PRINT_STATS_LE32(ofdm, early_overrun_err);
1044 PRINT_STATS_LE32(ofdm, crc32_good);
1045 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
1046 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
1047 PRINT_STATS_LE32(ofdm, sfd_timeout);
1048 PRINT_STATS_LE32(ofdm, fina_timeout);
1049 PRINT_STATS_LE32(ofdm, unresponded_rts);
1050 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
1051 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
1052 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
1053 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
1054 PRINT_STATS_LE32(ofdm, dsp_self_kill);
1055 PRINT_STATS_LE32(ofdm, mh_format_err);
1056 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
1057 PRINT_STATS_LE32(ofdm, reserved);
1058 } else {
1059 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
1060
1061 PRINT_STATS_LE32(ofdm, unresponded_rts);
1062 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
1063 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
1064 PRINT_STATS_LE32(ofdm, dsp_self_kill);
1065 PRINT_STATS_LE32(ofdm, reserved);
1066 }
1067
1068 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
1069 "Statistics_Rx - CCK");
1070 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1071 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
1072
1073 PRINT_STATS_LE32(cck, ina_cnt);
1074 PRINT_STATS_LE32(cck, fina_cnt);
1075 PRINT_STATS_LE32(cck, plcp_err);
1076 PRINT_STATS_LE32(cck, crc32_err);
1077 PRINT_STATS_LE32(cck, overrun_err);
1078 PRINT_STATS_LE32(cck, early_overrun_err);
1079 PRINT_STATS_LE32(cck, crc32_good);
1080 PRINT_STATS_LE32(cck, false_alarm_cnt);
1081 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
1082 PRINT_STATS_LE32(cck, sfd_timeout);
1083 PRINT_STATS_LE32(cck, fina_timeout);
1084 PRINT_STATS_LE32(cck, unresponded_rts);
1085 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
1086 PRINT_STATS_LE32(cck, sent_ack_cnt);
1087 PRINT_STATS_LE32(cck, sent_cts_cnt);
1088 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
1089 PRINT_STATS_LE32(cck, dsp_self_kill);
1090 PRINT_STATS_LE32(cck, mh_format_err);
1091 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
1092 PRINT_STATS_LE32(cck, reserved);
1093 } else {
1094 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
1095
1096 PRINT_STATS_LE32(cck, unresponded_rts);
1097 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
1098 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
1099 PRINT_STATS_LE32(cck, dsp_self_kill);
1100 PRINT_STATS_LE32(cck, reserved);
1101 }
1102
1103 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
1104 "Statistics_Rx - GENERAL");
1105 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1106 struct mvm_statistics_rx_non_phy_v3 *general =
1107 &mvm->rx_stats_v3.general;
1108
1109 PRINT_STATS_LE32(general, bogus_cts);
1110 PRINT_STATS_LE32(general, bogus_ack);
1111 PRINT_STATS_LE32(general, non_bssid_frames);
1112 PRINT_STATS_LE32(general, filtered_frames);
1113 PRINT_STATS_LE32(general, non_channel_beacons);
1114 PRINT_STATS_LE32(general, channel_beacons);
1115 PRINT_STATS_LE32(general, num_missed_bcon);
1116 PRINT_STATS_LE32(general, adc_rx_saturation_time);
1117 PRINT_STATS_LE32(general, ina_detection_search_time);
1118 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
1119 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
1120 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
1121 PRINT_STATS_LE32(general, interference_data_flag);
1122 PRINT_STATS_LE32(general, channel_load);
1123 PRINT_STATS_LE32(general, dsp_false_alarms);
1124 PRINT_STATS_LE32(general, beacon_rssi_a);
1125 PRINT_STATS_LE32(general, beacon_rssi_b);
1126 PRINT_STATS_LE32(general, beacon_rssi_c);
1127 PRINT_STATS_LE32(general, beacon_energy_a);
1128 PRINT_STATS_LE32(general, beacon_energy_b);
1129 PRINT_STATS_LE32(general, beacon_energy_c);
1130 PRINT_STATS_LE32(general, num_bt_kills);
1131 PRINT_STATS_LE32(general, mac_id);
1132 PRINT_STATS_LE32(general, directed_data_mpdu);
1133 } else {
1134 struct mvm_statistics_rx_non_phy *general =
1135 &mvm->rx_stats.general;
1136
1137 PRINT_STATS_LE32(general, bogus_cts);
1138 PRINT_STATS_LE32(general, bogus_ack);
1139 PRINT_STATS_LE32(general, non_channel_beacons);
1140 PRINT_STATS_LE32(general, channel_beacons);
1141 PRINT_STATS_LE32(general, num_missed_bcon);
1142 PRINT_STATS_LE32(general, adc_rx_saturation_time);
1143 PRINT_STATS_LE32(general, ina_detection_search_time);
1144 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
1145 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
1146 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
1147 PRINT_STATS_LE32(general, interference_data_flag);
1148 PRINT_STATS_LE32(general, channel_load);
1149 PRINT_STATS_LE32(general, beacon_rssi_a);
1150 PRINT_STATS_LE32(general, beacon_rssi_b);
1151 PRINT_STATS_LE32(general, beacon_rssi_c);
1152 PRINT_STATS_LE32(general, beacon_energy_a);
1153 PRINT_STATS_LE32(general, beacon_energy_b);
1154 PRINT_STATS_LE32(general, beacon_energy_c);
1155 PRINT_STATS_LE32(general, num_bt_kills);
1156 PRINT_STATS_LE32(general, mac_id);
1157 }
1158
1159 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
1160 "Statistics_Rx - HT");
1161 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1162 struct mvm_statistics_rx_ht_phy_v1 *ht =
1163 &mvm->rx_stats_v3.ofdm_ht;
1164
1165 PRINT_STATS_LE32(ht, plcp_err);
1166 PRINT_STATS_LE32(ht, overrun_err);
1167 PRINT_STATS_LE32(ht, early_overrun_err);
1168 PRINT_STATS_LE32(ht, crc32_good);
1169 PRINT_STATS_LE32(ht, crc32_err);
1170 PRINT_STATS_LE32(ht, mh_format_err);
1171 PRINT_STATS_LE32(ht, agg_crc32_good);
1172 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
1173 PRINT_STATS_LE32(ht, agg_cnt);
1174 PRINT_STATS_LE32(ht, unsupport_mcs);
1175 } else {
1176 struct mvm_statistics_rx_ht_phy *ht =
1177 &mvm->rx_stats.ofdm_ht;
1178
1179 PRINT_STATS_LE32(ht, mh_format_err);
1180 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
1181 PRINT_STATS_LE32(ht, agg_cnt);
1182 PRINT_STATS_LE32(ht, unsupport_mcs);
1183 }
1184
1185 mutex_unlock(&mvm->mutex);
1186
1187 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1188 kfree(buf);
1189
1190 return ret;
1191}
1192#undef PRINT_STAT_LE32
1193
1194static ssize_t iwl_dbgfs_fw_system_stats_read(struct file *file,
1195 char __user *user_buf,
1196 size_t count, loff_t *ppos)
1197{
1198 char *buff, *pos, *endpos;
1199 int ret;
1200 size_t bufsz;
1201 int i;
1202 struct iwl_mvm_vif *mvmvif;
1203 struct ieee80211_vif *vif;
1204 struct iwl_mvm *mvm = file->private_data;
1205 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
1206 WIDE_ID(SYSTEM_GROUP,
1207 SYSTEM_STATISTICS_CMD),
1208 IWL_FW_CMD_VER_UNKNOWN);
1209
1210 /* in case of a wrong cmd version, allocate buffer only for error msg */
1211 bufsz = (cmd_ver == 1) ? 4096 : 64;
1212
1213 buff = kzalloc(bufsz, GFP_KERNEL);
1214 if (!buff)
1215 return -ENOMEM;
1216
1217 pos = buff;
1218 endpos = pos + bufsz;
1219
1220 if (cmd_ver != 1) {
1221 pos += scnprintf(pos, endpos - pos,
1222 "System stats not supported:%d\n", cmd_ver);
1223 goto send_out;
1224 }
1225
1226 mutex_lock(&mvm->mutex);
1227 if (iwl_mvm_firmware_running(mvm))
1228 iwl_mvm_request_statistics(mvm, false);
1229
1230 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1231 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1232 if (!vif)
1233 continue;
1234
1235 if (vif->type == NL80211_IFTYPE_STATION)
1236 break;
1237 }
1238
1239 if (i == NUM_MAC_INDEX_DRIVER || !vif) {
1240 pos += scnprintf(pos, endpos - pos, "vif is NULL\n");
1241 goto release_send_out;
1242 }
1243
1244 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1245 if (!mvmvif) {
1246 pos += scnprintf(pos, endpos - pos, "mvmvif is NULL\n");
1247 goto release_send_out;
1248 }
1249
1250 for_each_mvm_vif_valid_link(mvmvif, i) {
1251 struct iwl_mvm_vif_link_info *link_info = mvmvif->link[i];
1252
1253 pos += scnprintf(pos, endpos - pos,
1254 "link_id %d", i);
1255 pos += scnprintf(pos, endpos - pos,
1256 " num_beacons %d",
1257 link_info->beacon_stats.num_beacons);
1258 pos += scnprintf(pos, endpos - pos,
1259 " accu_num_beacons %d",
1260 link_info->beacon_stats.accu_num_beacons);
1261 pos += scnprintf(pos, endpos - pos,
1262 " avg_signal %d\n",
1263 link_info->beacon_stats.avg_signal);
1264 }
1265
1266 pos += scnprintf(pos, endpos - pos,
1267 "radio_stats.rx_time %lld\n",
1268 mvm->radio_stats.rx_time);
1269 pos += scnprintf(pos, endpos - pos,
1270 "radio_stats.tx_time %lld\n",
1271 mvm->radio_stats.tx_time);
1272 pos += scnprintf(pos, endpos - pos,
1273 "accu_radio_stats.rx_time %lld\n",
1274 mvm->accu_radio_stats.rx_time);
1275 pos += scnprintf(pos, endpos - pos,
1276 "accu_radio_stats.tx_time %lld\n",
1277 mvm->accu_radio_stats.tx_time);
1278
1279release_send_out:
1280 mutex_unlock(&mvm->mutex);
1281
1282send_out:
1283 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1284 kfree(buff);
1285
1286 return ret;
1287}
1288
1289static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
1290 char __user *user_buf, size_t count,
1291 loff_t *ppos,
1292 struct iwl_mvm_frame_stats *stats)
1293{
1294 char *buff, *pos, *endpos;
1295 int idx, i;
1296 int ret;
1297 static const size_t bufsz = 1024;
1298
1299 buff = kmalloc(bufsz, GFP_KERNEL);
1300 if (!buff)
1301 return -ENOMEM;
1302
1303 spin_lock_bh(&mvm->drv_stats_lock);
1304
1305 pos = buff;
1306 endpos = pos + bufsz;
1307
1308 pos += scnprintf(pos, endpos - pos,
1309 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
1310 stats->legacy_frames,
1311 stats->ht_frames,
1312 stats->vht_frames);
1313 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
1314 stats->bw_20_frames,
1315 stats->bw_40_frames,
1316 stats->bw_80_frames);
1317 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
1318 stats->ngi_frames,
1319 stats->sgi_frames);
1320 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
1321 stats->siso_frames,
1322 stats->mimo2_frames);
1323 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
1324 stats->fail_frames,
1325 stats->success_frames);
1326 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
1327 stats->agg_frames);
1328 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
1329 stats->ampdu_count);
1330 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
1331 stats->ampdu_count > 0 ?
1332 (stats->agg_frames / stats->ampdu_count) : 0);
1333
1334 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
1335
1336 idx = stats->last_frame_idx - 1;
1337 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
1338 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
1339 if (stats->last_rates[idx] == 0)
1340 continue;
1341 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
1342 (int)(ARRAY_SIZE(stats->last_rates) - i));
1343 pos += rs_pretty_print_rate_v1(pos, endpos - pos,
1344 stats->last_rates[idx]);
1345 if (pos < endpos - 1)
1346 *pos++ = '\n';
1347 }
1348 spin_unlock_bh(&mvm->drv_stats_lock);
1349
1350 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1351 kfree(buff);
1352
1353 return ret;
1354}
1355
1356static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1357 char __user *user_buf, size_t count,
1358 loff_t *ppos)
1359{
1360 struct iwl_mvm *mvm = file->private_data;
1361
1362 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1363 &mvm->drv_rx_stats);
1364}
1365
1366static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1367 size_t count, loff_t *ppos)
1368{
1369 int __maybe_unused ret;
1370
1371 if (!iwl_mvm_firmware_running(mvm))
1372 return -EIO;
1373
1374 mutex_lock(&mvm->mutex);
1375
1376 /* allow one more restart that we're provoking here */
1377 if (mvm->fw_restart >= 0)
1378 mvm->fw_restart++;
1379
1380 if (count == 6 && !strcmp(buf, "nolog\n")) {
1381 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1382 set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status);
1383 }
1384
1385 /* take the return value to make compiler happy - it will fail anyway */
1386 ret = iwl_mvm_send_cmd_pdu(mvm,
1387 WIDE_ID(LONG_GROUP, REPLY_ERROR),
1388 0, 0, NULL);
1389
1390 mutex_unlock(&mvm->mutex);
1391
1392 return count;
1393}
1394
1395static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1396 size_t count, loff_t *ppos)
1397{
1398 if (!iwl_mvm_firmware_running(mvm))
1399 return -EIO;
1400
1401 if (count == 6 && !strcmp(buf, "nolog\n"))
1402 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1403
1404 iwl_force_nmi(mvm->trans);
1405
1406 return count;
1407}
1408
1409static ssize_t
1410iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1411 char __user *user_buf,
1412 size_t count, loff_t *ppos)
1413{
1414 struct iwl_mvm *mvm = file->private_data;
1415 int pos = 0;
1416 char buf[32];
1417 const size_t bufsz = sizeof(buf);
1418
1419 /* print which antennas were set for the scan command by the user */
1420 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1421 if (mvm->scan_rx_ant & ANT_A)
1422 pos += scnprintf(buf + pos, bufsz - pos, "A");
1423 if (mvm->scan_rx_ant & ANT_B)
1424 pos += scnprintf(buf + pos, bufsz - pos, "B");
1425 pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant);
1426
1427 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1428}
1429
1430static ssize_t
1431iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1432 size_t count, loff_t *ppos)
1433{
1434 u8 scan_rx_ant;
1435
1436 if (!iwl_mvm_firmware_running(mvm))
1437 return -EIO;
1438
1439 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1440 return -EINVAL;
1441 if (scan_rx_ant > ANT_ABC)
1442 return -EINVAL;
1443 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1444 return -EINVAL;
1445
1446 if (mvm->scan_rx_ant != scan_rx_ant) {
1447 mvm->scan_rx_ant = scan_rx_ant;
1448 if (fw_has_capa(&mvm->fw->ucode_capa,
1449 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1450 iwl_mvm_config_scan(mvm);
1451 }
1452
1453 return count;
1454}
1455
1456static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1457 char *buf, size_t count,
1458 loff_t *ppos)
1459{
1460 struct iwl_rss_config_cmd cmd = {
1461 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1462 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1463 IWL_RSS_HASH_TYPE_IPV4_UDP |
1464 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1465 IWL_RSS_HASH_TYPE_IPV6_TCP |
1466 IWL_RSS_HASH_TYPE_IPV6_UDP |
1467 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1468 };
1469 int ret, i, num_repeats, nbytes = count / 2;
1470
1471 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1472 if (ret)
1473 return ret;
1474
1475 /*
1476 * The input is the redirection table, partial or full.
1477 * Repeat the pattern if needed.
1478 * For example, input of 01020F will be repeated 42 times,
1479 * indirecting RSS hash results to queues 1, 2, 15 (skipping
1480 * queues 3 - 14).
1481 */
1482 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1483 for (i = 1; i < num_repeats; i++)
1484 memcpy(&cmd.indirection_table[i * nbytes],
1485 cmd.indirection_table, nbytes);
1486 /* handle cut in the middle pattern for the last places */
1487 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1488 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1489
1490 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1491
1492 mutex_lock(&mvm->mutex);
1493 if (iwl_mvm_firmware_running(mvm))
1494 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1495 sizeof(cmd), &cmd);
1496 else
1497 ret = 0;
1498 mutex_unlock(&mvm->mutex);
1499
1500 return ret ?: count;
1501}
1502
1503static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1504 char *buf, size_t count,
1505 loff_t *ppos)
1506{
1507 struct iwl_op_mode *opmode = container_of((void *)mvm,
1508 struct iwl_op_mode,
1509 op_mode_specific);
1510 struct iwl_rx_cmd_buffer rxb = {
1511 ._rx_page_order = 0,
1512 .truesize = 0, /* not used */
1513 ._offset = 0,
1514 };
1515 struct iwl_rx_packet *pkt;
1516 int bin_len = count / 2;
1517 int ret = -EINVAL;
1518
1519 if (!iwl_mvm_firmware_running(mvm))
1520 return -EIO;
1521
1522 /* supporting only MQ RX */
1523 if (!mvm->trans->trans_cfg->mq_rx_supported)
1524 return -EOPNOTSUPP;
1525
1526 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1527 if (!rxb._page)
1528 return -ENOMEM;
1529 pkt = rxb_addr(&rxb);
1530
1531 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1532 if (ret)
1533 goto out;
1534
1535 /* avoid invalid memory access and malformed packet */
1536 if (bin_len < sizeof(*pkt) ||
1537 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1538 goto out;
1539
1540 local_bh_disable();
1541 iwl_mvm_rx_mq(opmode, NULL, &rxb);
1542 local_bh_enable();
1543 ret = 0;
1544
1545out:
1546 iwl_free_rxb(&rxb);
1547
1548 return ret ?: count;
1549}
1550
1551static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1552{
1553 struct ieee80211_vif *vif;
1554 struct iwl_mvm_vif *mvmvif;
1555 struct sk_buff *beacon;
1556 struct ieee80211_tx_info *info;
1557 struct iwl_mac_beacon_cmd beacon_cmd = {};
1558 unsigned int link_id;
1559 u8 rate;
1560 int i;
1561
1562 len /= 2;
1563
1564 /* Element len should be represented by u8 */
1565 if (len >= U8_MAX)
1566 return -EINVAL;
1567
1568 if (!iwl_mvm_firmware_running(mvm))
1569 return -EIO;
1570
1571 if (!iwl_mvm_has_new_tx_api(mvm) &&
1572 !fw_has_api(&mvm->fw->ucode_capa,
1573 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1574 return -EINVAL;
1575
1576 mutex_lock(&mvm->mutex);
1577
1578 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1579 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1580 if (!vif)
1581 continue;
1582
1583 if (vif->type == NL80211_IFTYPE_AP)
1584 break;
1585 }
1586
1587 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1588 goto out_err;
1589
1590 mvm->hw->extra_beacon_tailroom = len;
1591
1592 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0);
1593 if (!beacon)
1594 goto out_err;
1595
1596 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1597 dev_kfree_skb(beacon);
1598 goto out_err;
1599 }
1600
1601 mvm->beacon_inject_active = true;
1602
1603 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1604 info = IEEE80211_SKB_CB(beacon);
1605 rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif);
1606
1607 for_each_mvm_vif_valid_link(mvmvif, link_id) {
1608 beacon_cmd.flags =
1609 cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw,
1610 rate));
1611 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1612 if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12)
1613 beacon_cmd.link_id =
1614 cpu_to_le32(mvmvif->link[link_id]->fw_link_id);
1615 else
1616 beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id);
1617
1618 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1619 &beacon_cmd.tim_size,
1620 beacon->data, beacon->len);
1621
1622 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1623 sizeof(beacon_cmd));
1624 }
1625 mutex_unlock(&mvm->mutex);
1626
1627 dev_kfree_skb(beacon);
1628
1629 return 0;
1630
1631out_err:
1632 mutex_unlock(&mvm->mutex);
1633 return -EINVAL;
1634}
1635
1636static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1637 char *buf, size_t count,
1638 loff_t *ppos)
1639{
1640 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1641
1642 mvm->hw->extra_beacon_tailroom = 0;
1643 return ret ?: count;
1644}
1645
1646static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1647 char *buf,
1648 size_t count,
1649 loff_t *ppos)
1650{
1651 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1652
1653 mvm->hw->extra_beacon_tailroom = 0;
1654 mvm->beacon_inject_active = false;
1655 return ret ?: count;
1656}
1657
1658static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1659 char __user *user_buf,
1660 size_t count, loff_t *ppos)
1661{
1662 struct iwl_mvm *mvm = file->private_data;
1663 int conf;
1664 char buf[8];
1665 const size_t bufsz = sizeof(buf);
1666 int pos = 0;
1667
1668 mutex_lock(&mvm->mutex);
1669 conf = mvm->fwrt.dump.conf;
1670 mutex_unlock(&mvm->mutex);
1671
1672 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1673
1674 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1675}
1676
1677static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1678 char *buf, size_t count,
1679 loff_t *ppos)
1680{
1681 unsigned int conf_id;
1682 int ret;
1683
1684 if (!iwl_mvm_firmware_running(mvm))
1685 return -EIO;
1686
1687 ret = kstrtouint(buf, 0, &conf_id);
1688 if (ret)
1689 return ret;
1690
1691 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1692 return -EINVAL;
1693
1694 mutex_lock(&mvm->mutex);
1695 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1696 mutex_unlock(&mvm->mutex);
1697
1698 return ret ?: count;
1699}
1700
1701static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1702 char *buf, size_t count,
1703 loff_t *ppos)
1704{
1705 if (count == 0)
1706 return 0;
1707
1708 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
1709 NULL);
1710
1711 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1712 (count - 1), NULL);
1713
1714 return count;
1715}
1716
1717static ssize_t iwl_dbgfs_fw_dbg_clear_write(struct iwl_mvm *mvm,
1718 char *buf, size_t count,
1719 loff_t *ppos)
1720{
1721 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
1722 return -EOPNOTSUPP;
1723
1724 mutex_lock(&mvm->mutex);
1725 iwl_fw_dbg_clear_monitor_buf(&mvm->fwrt);
1726 mutex_unlock(&mvm->mutex);
1727
1728 return count;
1729}
1730
1731static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1732 char *buf, size_t count,
1733 loff_t *ppos)
1734{
1735 u32 timepoint;
1736
1737 if (kstrtou32(buf, 0, &timepoint))
1738 return -EINVAL;
1739
1740 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1741 timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1742 return -EINVAL;
1743
1744 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1745
1746 return count;
1747}
1748
1749#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1750 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1751#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1752 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1753#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1754 debugfs_create_file(alias, mode, parent, mvm, \
1755 &iwl_dbgfs_##name##_ops); \
1756 } while (0)
1757#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1758 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1759
1760static ssize_t
1761_iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *,
1762 struct iwl_mvm_sta *,
1763 struct iwl_mvm *,
1764 struct iwl_mvm_link_sta *,
1765 char *,
1766 size_t, loff_t *),
1767 struct file *file,
1768 char *buf, size_t buf_size, loff_t *ppos)
1769{
1770 struct ieee80211_link_sta *link_sta = file->private_data;
1771 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1772 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1773 struct iwl_mvm_link_sta *mvm_link_sta;
1774 ssize_t ret;
1775
1776 mutex_lock(&mvm->mutex);
1777
1778 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1779 lockdep_is_held(&mvm->mutex));
1780 if (WARN_ON(!mvm_link_sta)) {
1781 mutex_unlock(&mvm->mutex);
1782 return -ENODEV;
1783 }
1784
1785 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos);
1786
1787 mutex_unlock(&mvm->mutex);
1788
1789 return ret;
1790}
1791
1792static ssize_t
1793_iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *,
1794 struct iwl_mvm_sta *,
1795 struct iwl_mvm *,
1796 struct iwl_mvm_link_sta *,
1797 char __user *,
1798 size_t, loff_t *),
1799 struct file *file,
1800 char __user *user_buf, size_t count, loff_t *ppos)
1801{
1802 struct ieee80211_link_sta *link_sta = file->private_data;
1803 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1804 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1805 struct iwl_mvm_link_sta *mvm_link_sta;
1806 ssize_t ret;
1807
1808 mutex_lock(&mvm->mutex);
1809
1810 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1811 lockdep_is_held(&mvm->mutex));
1812 if (WARN_ON(!mvm_link_sta)) {
1813 mutex_unlock(&mvm->mutex);
1814 return -ENODEV;
1815 }
1816
1817 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos);
1818
1819 mutex_unlock(&mvm->mutex);
1820
1821 return ret;
1822}
1823
1824#define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen) \
1825static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file, \
1826 const char __user *user_buf, \
1827 size_t count, loff_t *ppos) \
1828{ \
1829 char buf[buflen] = {}; \
1830 size_t buf_size = min(count, sizeof(buf) - 1); \
1831 \
1832 if (copy_from_user(buf, user_buf, buf_size)) \
1833 return -EFAULT; \
1834 \
1835 return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \
1836 file, \
1837 buf, buf_size, ppos); \
1838} \
1839
1840#define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1841static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file, \
1842 char __user *user_buf, \
1843 size_t count, loff_t *ppos) \
1844{ \
1845 return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read, \
1846 file, \
1847 user_buf, count, ppos); \
1848} \
1849
1850#define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
1851MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
1852static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1853 .write = _iwl_dbgfs_link_sta_##name##_write, \
1854 .open = simple_open, \
1855 .llseek = generic_file_llseek, \
1856}
1857
1858#define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name) \
1859MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1860static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1861 .read = _iwl_dbgfs_link_sta_##name##_read, \
1862 .open = simple_open, \
1863 .llseek = generic_file_llseek, \
1864}
1865
1866#define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
1867MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1868MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
1869static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1870 .read = _iwl_dbgfs_link_sta_##name##_read, \
1871 .write = _iwl_dbgfs_link_sta_##name##_write, \
1872 .open = simple_open, \
1873 .llseek = generic_file_llseek, \
1874}
1875
1876#define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode) \
1877 debugfs_create_file(alias, mode, parent, link_sta, \
1878 &iwl_dbgfs_link_sta_##name##_ops)
1879#define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \
1880 MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode)
1881
1882static ssize_t
1883iwl_dbgfs_prph_reg_read(struct file *file,
1884 char __user *user_buf,
1885 size_t count, loff_t *ppos)
1886{
1887 struct iwl_mvm *mvm = file->private_data;
1888 int pos = 0;
1889 char buf[32];
1890 const size_t bufsz = sizeof(buf);
1891
1892 if (!mvm->dbgfs_prph_reg_addr)
1893 return -EINVAL;
1894
1895 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1896 mvm->dbgfs_prph_reg_addr,
1897 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1898
1899 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1900}
1901
1902static ssize_t
1903iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1904 size_t count, loff_t *ppos)
1905{
1906 u8 args;
1907 u32 value;
1908
1909 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1910 /* if we only want to set the reg address - nothing more to do */
1911 if (args == 1)
1912 goto out;
1913
1914 /* otherwise, make sure we have both address and value */
1915 if (args != 2)
1916 return -EINVAL;
1917
1918 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1919
1920out:
1921 return count;
1922}
1923
1924static ssize_t
1925iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1926 size_t count, loff_t *ppos)
1927{
1928 int ret;
1929
1930 if (!iwl_mvm_firmware_running(mvm))
1931 return -EIO;
1932
1933 mutex_lock(&mvm->mutex);
1934 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1935 mutex_unlock(&mvm->mutex);
1936
1937 return ret ?: count;
1938}
1939
1940struct iwl_mvm_sniffer_apply {
1941 struct iwl_mvm *mvm;
1942 u8 *bssid;
1943 u16 aid;
1944};
1945
1946static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1947 struct iwl_rx_packet *pkt, void *data)
1948{
1949 struct iwl_mvm_sniffer_apply *apply = data;
1950
1951 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1952 memcpy(apply->mvm->cur_bssid, apply->bssid,
1953 sizeof(apply->mvm->cur_bssid));
1954
1955 return true;
1956}
1957
1958static ssize_t
1959iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1960 size_t count, loff_t *ppos)
1961{
1962 struct iwl_notification_wait wait;
1963 struct iwl_he_monitor_cmd he_mon_cmd = {};
1964 struct iwl_mvm_sniffer_apply apply = {
1965 .mvm = mvm,
1966 };
1967 u16 wait_cmds[] = {
1968 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1969 };
1970 u32 aid;
1971 int ret;
1972
1973 if (!iwl_mvm_firmware_running(mvm))
1974 return -EIO;
1975
1976 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1977 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1978 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1979 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1980 if (ret != 7)
1981 return -EINVAL;
1982
1983 he_mon_cmd.aid = cpu_to_le16(aid);
1984
1985 apply.aid = aid;
1986 apply.bssid = (void *)he_mon_cmd.bssid;
1987
1988 mutex_lock(&mvm->mutex);
1989
1990 /*
1991 * Use the notification waiter to get our function triggered
1992 * in sequence with other RX. This ensures that frames we get
1993 * on the RX queue _before_ the new configuration is applied
1994 * still have mvm->cur_aid pointing to the old AID, and that
1995 * frames on the RX queue _after_ the firmware processed the
1996 * new configuration (and sent the response, synchronously)
1997 * get mvm->cur_aid correctly set to the new AID.
1998 */
1999 iwl_init_notification_wait(&mvm->notif_wait, &wait,
2000 wait_cmds, ARRAY_SIZE(wait_cmds),
2001 iwl_mvm_sniffer_apply, &apply);
2002
2003 ret = iwl_mvm_send_cmd_pdu(mvm,
2004 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
2005 0,
2006 sizeof(he_mon_cmd), &he_mon_cmd);
2007
2008 /* no need to really wait, we already did anyway */
2009 iwl_remove_notification(&mvm->notif_wait, &wait);
2010
2011 mutex_unlock(&mvm->mutex);
2012
2013 return ret ?: count;
2014}
2015
2016static ssize_t
2017iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
2018 size_t count, loff_t *ppos)
2019{
2020 struct iwl_mvm *mvm = file->private_data;
2021 u8 buf[32];
2022 int len;
2023
2024 len = scnprintf(buf, sizeof(buf),
2025 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
2026 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
2027 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
2028 mvm->cur_bssid[4], mvm->cur_bssid[5]);
2029
2030 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2031}
2032
2033static ssize_t
2034iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
2035 size_t count, loff_t *ppos)
2036{
2037 struct iwl_mvm *mvm = file->private_data;
2038 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
2039 unsigned int pos = 0;
2040 size_t bufsz = sizeof(buf);
2041 int i;
2042
2043 mutex_lock(&mvm->mutex);
2044
2045 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
2046 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
2047 mvm->uapsd_noagg_bssids[i].addr);
2048
2049 mutex_unlock(&mvm->mutex);
2050
2051 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2052}
2053
2054static ssize_t
2055iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
2056 char *buf, size_t count, loff_t *ppos)
2057{
2058 int ret;
2059 struct iwl_ltr_config_cmd ltr_config = {0};
2060
2061 if (!iwl_mvm_firmware_running(mvm))
2062 return -EIO;
2063
2064 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
2065 <r_config.flags,
2066 <r_config.static_long,
2067 <r_config.static_short,
2068 <r_config.ltr_cfg_values[0],
2069 <r_config.ltr_cfg_values[1],
2070 <r_config.ltr_cfg_values[2],
2071 <r_config.ltr_cfg_values[3]) != 7) {
2072 return -EINVAL;
2073 }
2074
2075 mutex_lock(&mvm->mutex);
2076 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
2077 <r_config);
2078 mutex_unlock(&mvm->mutex);
2079
2080 if (ret)
2081 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
2082
2083 return ret ?: count;
2084}
2085
2086static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
2087 size_t count, loff_t *ppos)
2088{
2089 int ret = 0;
2090 u16 op_id;
2091
2092 if (kstrtou16(buf, 10, &op_id))
2093 return -EINVAL;
2094
2095 /* value zero triggers re-sending the default table to the device */
2096 if (!op_id) {
2097 mutex_lock(&mvm->mutex);
2098 ret = iwl_rfi_send_config_cmd(mvm, NULL);
2099 mutex_unlock(&mvm->mutex);
2100 } else {
2101 ret = -EOPNOTSUPP; /* in the future a new table will be added */
2102 }
2103
2104 return ret ?: count;
2105}
2106
2107/* The size computation is as follows:
2108 * each number needs at most 3 characters, number of rows is the size of
2109 * the table; So, need 5 chars for the "freq: " part and each tuple afterwards
2110 * needs 6 characters for numbers and 5 for the punctuation around.
2111 */
2112#define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
2113 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
2114
2115static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
2116 char __user *user_buf,
2117 size_t count, loff_t *ppos)
2118{
2119 struct iwl_mvm *mvm = file->private_data;
2120 struct iwl_rfi_freq_table_resp_cmd *resp;
2121 u32 status;
2122 char buf[IWL_RFI_BUF_SIZE];
2123 int i, j, pos = 0;
2124
2125 resp = iwl_rfi_get_freq_table(mvm);
2126 if (IS_ERR(resp))
2127 return PTR_ERR(resp);
2128
2129 status = le32_to_cpu(resp->status);
2130 if (status != RFI_FREQ_TABLE_OK) {
2131 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
2132 goto out;
2133 }
2134
2135 for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
2136 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
2137 resp->table[i].freq);
2138
2139 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
2140 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
2141 "(%d, %d) ",
2142 resp->table[i].channels[j],
2143 resp->table[i].bands[j]);
2144 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
2145 }
2146
2147out:
2148 kfree(resp);
2149 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2150}
2151
2152MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
2153
2154/* Device wide debugfs entries */
2155MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
2156MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
2157MVM_DEBUGFS_WRITE_FILE_OPS(start_ctdp, 8);
2158MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
2159MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
2160MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
2161MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
2162MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
2163MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
2164MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
2165MVM_DEBUGFS_READ_FILE_OPS(stations);
2166MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data);
2167MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
2168MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
2169MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
2170MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
2171MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
2172MVM_DEBUGFS_READ_FILE_OPS(fw_system_stats);
2173MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
2174MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
2175MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
2176MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
2177MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
2178MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
2179MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
2180MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
2181MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
2182MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
2183MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_clear, 64);
2184MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
2185MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
2186 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
2187MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
2188MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
2189MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
2190
2191MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
2192
2193#ifdef CONFIG_ACPI
2194MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
2195MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable);
2196#endif
2197
2198MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16);
2199
2200MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
2201
2202MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
2203MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
2204
2205static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
2206 size_t count, loff_t *ppos)
2207{
2208 struct iwl_mvm *mvm = file->private_data;
2209 struct iwl_dbg_mem_access_cmd cmd = {};
2210 struct iwl_dbg_mem_access_rsp *rsp;
2211 struct iwl_host_cmd hcmd = {
2212 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2213 .data = { &cmd, },
2214 .len = { sizeof(cmd) },
2215 };
2216 size_t delta;
2217 ssize_t ret, len;
2218
2219 if (!iwl_mvm_firmware_running(mvm))
2220 return -EIO;
2221
2222 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
2223 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
2224
2225 /* Take care of alignment of both the position and the length */
2226 delta = *ppos & 0x3;
2227 cmd.addr = cpu_to_le32(*ppos - delta);
2228 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
2229 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
2230
2231 mutex_lock(&mvm->mutex);
2232 ret = iwl_mvm_send_cmd(mvm, &hcmd);
2233 mutex_unlock(&mvm->mutex);
2234
2235 if (ret < 0)
2236 return ret;
2237
2238 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
2239 ret = -EIO;
2240 goto out;
2241 }
2242
2243 rsp = (void *)hcmd.resp_pkt->data;
2244 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
2245 ret = -ENXIO;
2246 goto out;
2247 }
2248
2249 len = min((size_t)le32_to_cpu(rsp->len) << 2,
2250 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
2251 len = min(len - delta, count);
2252 if (len < 0) {
2253 ret = -EFAULT;
2254 goto out;
2255 }
2256
2257 ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len);
2258 *ppos += ret;
2259
2260out:
2261 iwl_free_resp(&hcmd);
2262 return ret;
2263}
2264
2265static ssize_t iwl_dbgfs_mem_write(struct file *file,
2266 const char __user *user_buf, size_t count,
2267 loff_t *ppos)
2268{
2269 struct iwl_mvm *mvm = file->private_data;
2270 struct iwl_dbg_mem_access_cmd *cmd;
2271 struct iwl_dbg_mem_access_rsp *rsp;
2272 struct iwl_host_cmd hcmd = {};
2273 size_t cmd_size;
2274 size_t data_size;
2275 u32 op, len;
2276 ssize_t ret;
2277
2278 if (!iwl_mvm_firmware_running(mvm))
2279 return -EIO;
2280
2281 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
2282
2283 if (*ppos & 0x3 || count < 4) {
2284 op = DEBUG_MEM_OP_WRITE_BYTES;
2285 len = min(count, (size_t)(4 - (*ppos & 0x3)));
2286 data_size = len;
2287 } else {
2288 op = DEBUG_MEM_OP_WRITE;
2289 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
2290 data_size = len << 2;
2291 }
2292
2293 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
2294 cmd = kzalloc(cmd_size, GFP_KERNEL);
2295 if (!cmd)
2296 return -ENOMEM;
2297
2298 cmd->op = cpu_to_le32(op);
2299 cmd->len = cpu_to_le32(len);
2300 cmd->addr = cpu_to_le32(*ppos);
2301 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
2302 kfree(cmd);
2303 return -EFAULT;
2304 }
2305
2306 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2307 hcmd.data[0] = (void *)cmd;
2308 hcmd.len[0] = cmd_size;
2309
2310 mutex_lock(&mvm->mutex);
2311 ret = iwl_mvm_send_cmd(mvm, &hcmd);
2312 mutex_unlock(&mvm->mutex);
2313
2314 kfree(cmd);
2315
2316 if (ret < 0)
2317 return ret;
2318
2319 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
2320 ret = -EIO;
2321 goto out;
2322 }
2323
2324 rsp = (void *)hcmd.resp_pkt->data;
2325 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2326 ret = -ENXIO;
2327 goto out;
2328 }
2329
2330 ret = data_size;
2331 *ppos += ret;
2332
2333out:
2334 iwl_free_resp(&hcmd);
2335 return ret;
2336}
2337
2338static const struct file_operations iwl_dbgfs_mem_ops = {
2339 .read = iwl_dbgfs_mem_read,
2340 .write = iwl_dbgfs_mem_write,
2341 .open = simple_open,
2342 .llseek = default_llseek,
2343};
2344
2345void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw,
2346 struct ieee80211_vif *vif,
2347 struct ieee80211_link_sta *link_sta,
2348 struct dentry *dir)
2349{
2350 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2351
2352 if (iwl_mvm_has_tlc_offload(mvm)) {
2353 MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400);
2354 }
2355
2356 MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600);
2357}
2358
2359void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
2360{
2361 struct dentry *bcast_dir __maybe_unused;
2362
2363 spin_lock_init(&mvm->drv_stats_lock);
2364
2365 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2366 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
2367 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2368 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2369 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
2370 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
2371 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
2372 MVM_DEBUGFS_ADD_FILE(start_ctdp, mvm->debugfs_dir, 0200);
2373 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
2374 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
2375 MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400);
2376 MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400);
2377 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2378 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
2379 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2380 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2381 MVM_DEBUGFS_ADD_FILE(fw_system_stats, mvm->debugfs_dir, 0400);
2382 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2383 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2384 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
2385 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
2386 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2387 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2388 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2389 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
2390 MVM_DEBUGFS_ADD_FILE(fw_dbg_clear, mvm->debugfs_dir, 0200);
2391 MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
2392 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2393 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2394 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2395 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2396 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2397 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
2398
2399 if (mvm->fw->phy_integration_ver)
2400 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
2401 MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
2402#ifdef CONFIG_ACPI
2403 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
2404 MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400);
2405#endif
2406 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2407
2408 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2409 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2410
2411 debugfs_create_bool("enable_scan_iteration_notif", 0600,
2412 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2413 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2414 &mvm->drop_bcn_ap_mode);
2415
2416 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2417
2418#ifdef CONFIG_PM_SLEEP
2419 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2420 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2421 &mvm->d3_wake_sysassert);
2422 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2423 &mvm->last_netdetect_scans);
2424#endif
2425
2426 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2427 &mvm->ps_disabled);
2428 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2429 &mvm->nvm_hw_blob);
2430 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2431 &mvm->nvm_sw_blob);
2432 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2433 &mvm->nvm_calib_blob);
2434 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2435 &mvm->nvm_prod_blob);
2436 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2437 &mvm->nvm_phy_sku_blob);
2438 debugfs_create_blob("nvm_reg", S_IRUSR,
2439 mvm->debugfs_dir, &mvm->nvm_reg_blob);
2440
2441 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
2442 &iwl_dbgfs_mem_ops);
2443
2444 /*
2445 * Create a symlink with mac80211. It will be removed when mac80211
2446 * exists (before the opmode exists which removes the target.)
2447 */
2448 if (!IS_ERR(mvm->debugfs_dir)) {
2449 char buf[100];
2450
2451 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
2452 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir,
2453 buf);
2454 }
2455}
1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
9 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
10 * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called COPYING.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <linuxwifi@intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *
28 * BSD LICENSE
29 *
30 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
31 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
32 * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
33 * All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 *
39 * * Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * * Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in
43 * the documentation and/or other materials provided with the
44 * distribution.
45 * * Neither the name Intel Corporation nor the names of its
46 * contributors may be used to endorse or promote products derived
47 * from this software without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
60 *
61 *****************************************************************************/
62#include <linux/vmalloc.h>
63#include <linux/ieee80211.h>
64#include <linux/netdevice.h>
65
66#include "mvm.h"
67#include "sta.h"
68#include "iwl-io.h"
69#include "debugfs.h"
70#include "iwl-modparams.h"
71#include "fw/error-dump.h"
72
73static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
74 char __user *user_buf,
75 size_t count, loff_t *ppos)
76{
77 struct iwl_mvm *mvm = file->private_data;
78 char buf[16];
79 int pos, budget;
80
81 if (!iwl_mvm_is_ctdp_supported(mvm))
82 return -EOPNOTSUPP;
83
84 if (!iwl_mvm_firmware_running(mvm) ||
85 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
86 return -EIO;
87
88 mutex_lock(&mvm->mutex);
89 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
90 mutex_unlock(&mvm->mutex);
91
92 if (budget < 0)
93 return budget;
94
95 pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
96
97 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
98}
99
100static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
101 size_t count, loff_t *ppos)
102{
103 int ret;
104
105 if (!iwl_mvm_is_ctdp_supported(mvm))
106 return -EOPNOTSUPP;
107
108 if (!iwl_mvm_firmware_running(mvm) ||
109 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
110 return -EIO;
111
112 mutex_lock(&mvm->mutex);
113 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
114 mutex_unlock(&mvm->mutex);
115
116 return ret ?: count;
117}
118
119static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
120 size_t count, loff_t *ppos)
121{
122 if (!iwl_mvm_firmware_running(mvm) ||
123 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
124 return -EIO;
125
126 iwl_mvm_enter_ctkill(mvm);
127
128 return count;
129}
130
131static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
132 size_t count, loff_t *ppos)
133{
134 int ret;
135 u32 flush_arg;
136
137 if (!iwl_mvm_firmware_running(mvm) ||
138 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
139 return -EIO;
140
141 if (kstrtou32(buf, 0, &flush_arg))
142 return -EINVAL;
143
144 if (iwl_mvm_has_new_tx_api(mvm)) {
145 IWL_DEBUG_TX_QUEUES(mvm,
146 "FLUSHING all tids queues on sta_id = %d\n",
147 flush_arg);
148 mutex_lock(&mvm->mutex);
149 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF, 0)
150 ? : count;
151 mutex_unlock(&mvm->mutex);
152 return ret;
153 }
154
155 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
156 flush_arg);
157
158 mutex_lock(&mvm->mutex);
159 ret = iwl_mvm_flush_tx_path(mvm, flush_arg, 0) ? : count;
160 mutex_unlock(&mvm->mutex);
161
162 return ret;
163}
164
165static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
166 size_t count, loff_t *ppos)
167{
168 struct iwl_mvm_sta *mvmsta;
169 int sta_id, drain, ret;
170
171 if (!iwl_mvm_firmware_running(mvm) ||
172 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
173 return -EIO;
174
175 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
176 return -EINVAL;
177 if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
178 return -EINVAL;
179 if (drain < 0 || drain > 1)
180 return -EINVAL;
181
182 mutex_lock(&mvm->mutex);
183
184 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
185
186 if (!mvmsta)
187 ret = -ENOENT;
188 else
189 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
190
191 mutex_unlock(&mvm->mutex);
192
193 return ret;
194}
195
196static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
197 size_t count, loff_t *ppos)
198{
199 struct iwl_mvm *mvm = file->private_data;
200 const struct fw_img *img;
201 unsigned int ofs, len;
202 size_t ret;
203 u8 *ptr;
204
205 if (!iwl_mvm_firmware_running(mvm))
206 return -EINVAL;
207
208 /* default is to dump the entire data segment */
209 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
210 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
211 len = img->sec[IWL_UCODE_SECTION_DATA].len;
212
213 if (mvm->dbgfs_sram_len) {
214 ofs = mvm->dbgfs_sram_offset;
215 len = mvm->dbgfs_sram_len;
216 }
217
218 ptr = kzalloc(len, GFP_KERNEL);
219 if (!ptr)
220 return -ENOMEM;
221
222 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
223
224 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
225
226 kfree(ptr);
227
228 return ret;
229}
230
231static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
232 size_t count, loff_t *ppos)
233{
234 const struct fw_img *img;
235 u32 offset, len;
236 u32 img_offset, img_len;
237
238 if (!iwl_mvm_firmware_running(mvm))
239 return -EINVAL;
240
241 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
242 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
243 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
244
245 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
246 if ((offset & 0x3) || (len & 0x3))
247 return -EINVAL;
248
249 if (offset + len > img_offset + img_len)
250 return -EINVAL;
251
252 mvm->dbgfs_sram_offset = offset;
253 mvm->dbgfs_sram_len = len;
254 } else {
255 mvm->dbgfs_sram_offset = 0;
256 mvm->dbgfs_sram_len = 0;
257 }
258
259 return count;
260}
261
262static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
263 char __user *user_buf,
264 size_t count, loff_t *ppos)
265{
266 struct iwl_mvm *mvm = file->private_data;
267 char buf[16];
268 int pos;
269
270 if (!mvm->temperature_test)
271 pos = scnprintf(buf , sizeof(buf), "disabled\n");
272 else
273 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
274
275 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
276}
277
278/*
279 * Set NIC Temperature
280 * Cause the driver to ignore the actual NIC temperature reported by the FW
281 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
282 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
283 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
284 */
285static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
286 char *buf, size_t count,
287 loff_t *ppos)
288{
289 int temperature;
290
291 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
292 return -EIO;
293
294 if (kstrtoint(buf, 10, &temperature))
295 return -EINVAL;
296 /* not a legal temperature */
297 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
298 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
299 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
300 return -EINVAL;
301
302 mutex_lock(&mvm->mutex);
303 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
304 if (!mvm->temperature_test)
305 goto out;
306
307 mvm->temperature_test = false;
308 /* Since we can't read the temp while awake, just set
309 * it to zero until we get the next RX stats from the
310 * firmware.
311 */
312 mvm->temperature = 0;
313 } else {
314 mvm->temperature_test = true;
315 mvm->temperature = temperature;
316 }
317 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
318 mvm->temperature_test ? "En" : "Dis" ,
319 mvm->temperature);
320 /* handle the temperature change */
321 iwl_mvm_tt_handler(mvm);
322
323out:
324 mutex_unlock(&mvm->mutex);
325
326 return count;
327}
328
329static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
330 char __user *user_buf,
331 size_t count, loff_t *ppos)
332{
333 struct iwl_mvm *mvm = file->private_data;
334 char buf[16];
335 int pos, ret;
336 s32 temp;
337
338 if (!iwl_mvm_firmware_running(mvm))
339 return -EIO;
340
341 mutex_lock(&mvm->mutex);
342 ret = iwl_mvm_get_temp(mvm, &temp);
343 mutex_unlock(&mvm->mutex);
344
345 if (ret)
346 return -EIO;
347
348 pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
349
350 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
351}
352
353#ifdef CONFIG_ACPI
354static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
355 char __user *user_buf,
356 size_t count, loff_t *ppos)
357{
358 struct iwl_mvm *mvm = file->private_data;
359 char buf[256];
360 int pos = 0;
361 int bufsz = sizeof(buf);
362 int tbl_idx;
363 u8 *value;
364
365 if (!iwl_mvm_firmware_running(mvm))
366 return -EIO;
367
368 mutex_lock(&mvm->mutex);
369 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
370 if (tbl_idx < 0) {
371 mutex_unlock(&mvm->mutex);
372 return tbl_idx;
373 }
374
375 if (!tbl_idx) {
376 pos = scnprintf(buf, bufsz,
377 "SAR geographic profile disabled\n");
378 } else {
379 value = &mvm->fwrt.geo_profiles[tbl_idx - 1].values[0];
380
381 pos += scnprintf(buf + pos, bufsz - pos,
382 "Use geographic profile %d\n", tbl_idx);
383 pos += scnprintf(buf + pos, bufsz - pos,
384 "2.4GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n",
385 value[1], value[2], value[0]);
386 pos += scnprintf(buf + pos, bufsz - pos,
387 "5.2GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n",
388 value[4], value[5], value[3]);
389 }
390 mutex_unlock(&mvm->mutex);
391
392 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
393}
394#endif
395
396static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
397 size_t count, loff_t *ppos)
398{
399 struct iwl_mvm *mvm = file->private_data;
400 struct ieee80211_sta *sta;
401 char buf[400];
402 int i, pos = 0, bufsz = sizeof(buf);
403
404 mutex_lock(&mvm->mutex);
405
406 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {
407 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
408 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
409 lockdep_is_held(&mvm->mutex));
410 if (!sta)
411 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
412 else if (IS_ERR(sta))
413 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
414 PTR_ERR(sta));
415 else
416 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
417 sta->addr);
418 }
419
420 mutex_unlock(&mvm->mutex);
421
422 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
423}
424
425static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
426 size_t count, loff_t *ppos)
427{
428 struct ieee80211_sta *sta = file->private_data;
429 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
430 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
431 struct iwl_mvm *mvm = lq_sta->pers.drv;
432 static const size_t bufsz = 2048;
433 char *buff;
434 int desc = 0;
435 ssize_t ret;
436
437 buff = kmalloc(bufsz, GFP_KERNEL);
438 if (!buff)
439 return -ENOMEM;
440
441 mutex_lock(&mvm->mutex);
442
443 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
444 lq_sta->pers.sta_id);
445 desc += scnprintf(buff + desc, bufsz - desc,
446 "fixed rate 0x%X\n",
447 lq_sta->pers.dbg_fixed_rate);
448 desc += scnprintf(buff + desc, bufsz - desc,
449 "A-MPDU size limit %d\n",
450 lq_sta->pers.dbg_agg_frame_count_lim);
451 desc += scnprintf(buff + desc, bufsz - desc,
452 "valid_tx_ant %s%s%s\n",
453 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
454 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
455 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
456 desc += scnprintf(buff + desc, bufsz - desc,
457 "last tx rate=0x%X ",
458 lq_sta->last_rate_n_flags);
459
460 desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
461 lq_sta->last_rate_n_flags);
462 if (desc < bufsz - 1)
463 buff[desc++] = '\n';
464 mutex_unlock(&mvm->mutex);
465
466 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
467 kfree(buff);
468 return ret;
469}
470
471static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
472 char *buf, size_t count,
473 loff_t *ppos)
474{
475 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
476 int i;
477 u16 amsdu_len;
478
479 if (kstrtou16(buf, 0, &amsdu_len))
480 return -EINVAL;
481
482 /* only change from debug set <-> debug unset */
483 if ((amsdu_len && mvmsta->orig_amsdu_len) ||
484 (!!amsdu_len && mvmsta->orig_amsdu_len))
485 return -EBUSY;
486
487 if (amsdu_len) {
488 mvmsta->orig_amsdu_len = sta->max_amsdu_len;
489 sta->max_amsdu_len = amsdu_len;
490 for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++)
491 sta->max_tid_amsdu_len[i] = amsdu_len;
492 } else {
493 sta->max_amsdu_len = mvmsta->orig_amsdu_len;
494 mvmsta->orig_amsdu_len = 0;
495 }
496 return count;
497}
498
499static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file,
500 char __user *user_buf,
501 size_t count, loff_t *ppos)
502{
503 struct ieee80211_sta *sta = file->private_data;
504 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
505
506 char buf[32];
507 int pos;
508
509 pos = scnprintf(buf, sizeof(buf), "current %d ", sta->max_amsdu_len);
510 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
511 mvmsta->orig_amsdu_len);
512
513 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
514}
515
516static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
517 char __user *user_buf,
518 size_t count, loff_t *ppos)
519{
520 struct iwl_mvm *mvm = file->private_data;
521 char buf[64];
522 int bufsz = sizeof(buf);
523 int pos = 0;
524
525 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
526 mvm->disable_power_off);
527 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
528 mvm->disable_power_off_d3);
529
530 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
531}
532
533static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
534 size_t count, loff_t *ppos)
535{
536 int ret, val;
537
538 if (!iwl_mvm_firmware_running(mvm))
539 return -EIO;
540
541 if (!strncmp("disable_power_off_d0=", buf, 21)) {
542 if (sscanf(buf + 21, "%d", &val) != 1)
543 return -EINVAL;
544 mvm->disable_power_off = val;
545 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
546 if (sscanf(buf + 21, "%d", &val) != 1)
547 return -EINVAL;
548 mvm->disable_power_off_d3 = val;
549 } else {
550 return -EINVAL;
551 }
552
553 mutex_lock(&mvm->mutex);
554 ret = iwl_mvm_power_update_device(mvm);
555 mutex_unlock(&mvm->mutex);
556
557 return ret ?: count;
558}
559
560static
561int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
562 int pos, int bufsz)
563{
564 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
565
566 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
567 BT_MBOX_PRINT(0, LE_PROF1, false);
568 BT_MBOX_PRINT(0, LE_PROF2, false);
569 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
570 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
571 BT_MBOX_PRINT(0, INBAND_S, false);
572 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
573 BT_MBOX_PRINT(0, LE_SCAN, false);
574 BT_MBOX_PRINT(0, LE_ADV, false);
575 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
576 BT_MBOX_PRINT(0, OPEN_CON_1, true);
577
578 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
579
580 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
581 BT_MBOX_PRINT(1, IP_SR, false);
582 BT_MBOX_PRINT(1, LE_MSTR, false);
583 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
584 BT_MBOX_PRINT(1, MSG_TYPE, false);
585 BT_MBOX_PRINT(1, SSN, true);
586
587 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
588
589 BT_MBOX_PRINT(2, SNIFF_ACT, false);
590 BT_MBOX_PRINT(2, PAG, false);
591 BT_MBOX_PRINT(2, INQUIRY, false);
592 BT_MBOX_PRINT(2, CONN, false);
593 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
594 BT_MBOX_PRINT(2, DISC, false);
595 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
596 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
597 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
598 BT_MBOX_PRINT(2, SCO_DURATION, true);
599
600 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
601
602 BT_MBOX_PRINT(3, SCO_STATE, false);
603 BT_MBOX_PRINT(3, SNIFF_STATE, false);
604 BT_MBOX_PRINT(3, A2DP_STATE, false);
605 BT_MBOX_PRINT(3, A2DP_SRC, false);
606 BT_MBOX_PRINT(3, ACL_STATE, false);
607 BT_MBOX_PRINT(3, MSTR_STATE, false);
608 BT_MBOX_PRINT(3, OBX_STATE, false);
609 BT_MBOX_PRINT(3, OPEN_CON_2, false);
610 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
611 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
612 BT_MBOX_PRINT(3, INBAND_P, false);
613 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
614 BT_MBOX_PRINT(3, SSN_2, false);
615 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
616
617 return pos;
618}
619
620static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
621 size_t count, loff_t *ppos)
622{
623 struct iwl_mvm *mvm = file->private_data;
624 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
625 char *buf;
626 int ret, pos = 0, bufsz = sizeof(char) * 1024;
627
628 buf = kmalloc(bufsz, GFP_KERNEL);
629 if (!buf)
630 return -ENOMEM;
631
632 mutex_lock(&mvm->mutex);
633
634 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
635
636 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
637 notif->bt_ci_compliance);
638 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
639 le32_to_cpu(notif->primary_ch_lut));
640 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
641 le32_to_cpu(notif->secondary_ch_lut));
642 pos += scnprintf(buf + pos,
643 bufsz - pos, "bt_activity_grading = %d\n",
644 le32_to_cpu(notif->bt_activity_grading));
645 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
646 notif->rrc_status & 0xF);
647 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
648 notif->ttc_status & 0xF);
649
650 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
651 IWL_MVM_BT_COEX_SYNC2SCO);
652 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
653 IWL_MVM_BT_COEX_MPLUT);
654
655 mutex_unlock(&mvm->mutex);
656
657 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
658 kfree(buf);
659
660 return ret;
661}
662#undef BT_MBOX_PRINT
663
664static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
665 size_t count, loff_t *ppos)
666{
667 struct iwl_mvm *mvm = file->private_data;
668 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
669 char buf[256];
670 int bufsz = sizeof(buf);
671 int pos = 0;
672
673 mutex_lock(&mvm->mutex);
674
675 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
676 pos += scnprintf(buf + pos, bufsz - pos,
677 "\tPrimary Channel Bitmap 0x%016llx\n",
678 le64_to_cpu(cmd->bt_primary_ci));
679 pos += scnprintf(buf + pos, bufsz - pos,
680 "\tSecondary Channel Bitmap 0x%016llx\n",
681 le64_to_cpu(cmd->bt_secondary_ci));
682
683 mutex_unlock(&mvm->mutex);
684
685 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
686}
687
688static ssize_t
689iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
690 size_t count, loff_t *ppos)
691{
692 u32 bt_tx_prio;
693
694 if (sscanf(buf, "%u", &bt_tx_prio) != 1)
695 return -EINVAL;
696 if (bt_tx_prio > 4)
697 return -EINVAL;
698
699 mvm->bt_tx_prio = bt_tx_prio;
700
701 return count;
702}
703
704static ssize_t
705iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
706 size_t count, loff_t *ppos)
707{
708 static const char * const modes_str[BT_FORCE_ANT_MAX] = {
709 [BT_FORCE_ANT_DIS] = "dis",
710 [BT_FORCE_ANT_AUTO] = "auto",
711 [BT_FORCE_ANT_BT] = "bt",
712 [BT_FORCE_ANT_WIFI] = "wifi",
713 };
714 int ret, bt_force_ant_mode;
715
716 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
717 if (ret < 0)
718 return ret;
719
720 bt_force_ant_mode = ret;
721 ret = 0;
722 mutex_lock(&mvm->mutex);
723 if (mvm->bt_force_ant_mode == bt_force_ant_mode)
724 goto out;
725
726 mvm->bt_force_ant_mode = bt_force_ant_mode;
727 IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
728 modes_str[mvm->bt_force_ant_mode]);
729
730 if (iwl_mvm_firmware_running(mvm))
731 ret = iwl_mvm_send_bt_init_conf(mvm);
732 else
733 ret = 0;
734
735out:
736 mutex_unlock(&mvm->mutex);
737 return ret ?: count;
738}
739
740static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
741 size_t count, loff_t *ppos)
742{
743 struct iwl_mvm *mvm = file->private_data;
744 char *buff, *pos, *endpos;
745 static const size_t bufsz = 1024;
746 int ret;
747
748 buff = kmalloc(bufsz, GFP_KERNEL);
749 if (!buff)
750 return -ENOMEM;
751
752 pos = buff;
753 endpos = pos + bufsz;
754
755 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
756 mvm->trans->cfg->fw_name_pre);
757 pos += scnprintf(pos, endpos - pos, "FW: %s\n",
758 mvm->fwrt.fw->human_readable);
759 pos += scnprintf(pos, endpos - pos, "Device: %s\n",
760 mvm->fwrt.trans->name);
761 pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
762 mvm->fwrt.dev->bus->name);
763
764 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
765 kfree(buff);
766
767 return ret;
768}
769
770#define PRINT_STATS_LE32(_struct, _memb) \
771 pos += scnprintf(buf + pos, bufsz - pos, \
772 fmt_table, #_memb, \
773 le32_to_cpu(_struct->_memb))
774
775static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
776 char __user *user_buf, size_t count,
777 loff_t *ppos)
778{
779 struct iwl_mvm *mvm = file->private_data;
780 static const char *fmt_table = "\t%-30s %10u\n";
781 static const char *fmt_header = "%-32s\n";
782 int pos = 0;
783 char *buf;
784 int ret;
785 size_t bufsz;
786
787 if (iwl_mvm_has_new_rx_stats_api(mvm))
788 bufsz = ((sizeof(struct mvm_statistics_rx) /
789 sizeof(__le32)) * 43) + (4 * 33) + 1;
790 else
791 /* 43 = size of each data line; 33 = size of each header */
792 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
793 sizeof(__le32)) * 43) + (4 * 33) + 1;
794
795 buf = kzalloc(bufsz, GFP_KERNEL);
796 if (!buf)
797 return -ENOMEM;
798
799 mutex_lock(&mvm->mutex);
800
801 if (iwl_mvm_firmware_running(mvm))
802 iwl_mvm_request_statistics(mvm, false);
803
804 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
805 "Statistics_Rx - OFDM");
806 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
807 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
808
809 PRINT_STATS_LE32(ofdm, ina_cnt);
810 PRINT_STATS_LE32(ofdm, fina_cnt);
811 PRINT_STATS_LE32(ofdm, plcp_err);
812 PRINT_STATS_LE32(ofdm, crc32_err);
813 PRINT_STATS_LE32(ofdm, overrun_err);
814 PRINT_STATS_LE32(ofdm, early_overrun_err);
815 PRINT_STATS_LE32(ofdm, crc32_good);
816 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
817 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
818 PRINT_STATS_LE32(ofdm, sfd_timeout);
819 PRINT_STATS_LE32(ofdm, fina_timeout);
820 PRINT_STATS_LE32(ofdm, unresponded_rts);
821 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
822 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
823 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
824 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
825 PRINT_STATS_LE32(ofdm, dsp_self_kill);
826 PRINT_STATS_LE32(ofdm, mh_format_err);
827 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
828 PRINT_STATS_LE32(ofdm, reserved);
829 } else {
830 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
831
832 PRINT_STATS_LE32(ofdm, unresponded_rts);
833 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
834 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
835 PRINT_STATS_LE32(ofdm, dsp_self_kill);
836 PRINT_STATS_LE32(ofdm, reserved);
837 }
838
839 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
840 "Statistics_Rx - CCK");
841 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
842 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
843
844 PRINT_STATS_LE32(cck, ina_cnt);
845 PRINT_STATS_LE32(cck, fina_cnt);
846 PRINT_STATS_LE32(cck, plcp_err);
847 PRINT_STATS_LE32(cck, crc32_err);
848 PRINT_STATS_LE32(cck, overrun_err);
849 PRINT_STATS_LE32(cck, early_overrun_err);
850 PRINT_STATS_LE32(cck, crc32_good);
851 PRINT_STATS_LE32(cck, false_alarm_cnt);
852 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
853 PRINT_STATS_LE32(cck, sfd_timeout);
854 PRINT_STATS_LE32(cck, fina_timeout);
855 PRINT_STATS_LE32(cck, unresponded_rts);
856 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
857 PRINT_STATS_LE32(cck, sent_ack_cnt);
858 PRINT_STATS_LE32(cck, sent_cts_cnt);
859 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
860 PRINT_STATS_LE32(cck, dsp_self_kill);
861 PRINT_STATS_LE32(cck, mh_format_err);
862 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
863 PRINT_STATS_LE32(cck, reserved);
864 } else {
865 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
866
867 PRINT_STATS_LE32(cck, unresponded_rts);
868 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
869 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
870 PRINT_STATS_LE32(cck, dsp_self_kill);
871 PRINT_STATS_LE32(cck, reserved);
872 }
873
874 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
875 "Statistics_Rx - GENERAL");
876 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
877 struct mvm_statistics_rx_non_phy_v3 *general =
878 &mvm->rx_stats_v3.general;
879
880 PRINT_STATS_LE32(general, bogus_cts);
881 PRINT_STATS_LE32(general, bogus_ack);
882 PRINT_STATS_LE32(general, non_bssid_frames);
883 PRINT_STATS_LE32(general, filtered_frames);
884 PRINT_STATS_LE32(general, non_channel_beacons);
885 PRINT_STATS_LE32(general, channel_beacons);
886 PRINT_STATS_LE32(general, num_missed_bcon);
887 PRINT_STATS_LE32(general, adc_rx_saturation_time);
888 PRINT_STATS_LE32(general, ina_detection_search_time);
889 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
890 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
891 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
892 PRINT_STATS_LE32(general, interference_data_flag);
893 PRINT_STATS_LE32(general, channel_load);
894 PRINT_STATS_LE32(general, dsp_false_alarms);
895 PRINT_STATS_LE32(general, beacon_rssi_a);
896 PRINT_STATS_LE32(general, beacon_rssi_b);
897 PRINT_STATS_LE32(general, beacon_rssi_c);
898 PRINT_STATS_LE32(general, beacon_energy_a);
899 PRINT_STATS_LE32(general, beacon_energy_b);
900 PRINT_STATS_LE32(general, beacon_energy_c);
901 PRINT_STATS_LE32(general, num_bt_kills);
902 PRINT_STATS_LE32(general, mac_id);
903 PRINT_STATS_LE32(general, directed_data_mpdu);
904 } else {
905 struct mvm_statistics_rx_non_phy *general =
906 &mvm->rx_stats.general;
907
908 PRINT_STATS_LE32(general, bogus_cts);
909 PRINT_STATS_LE32(general, bogus_ack);
910 PRINT_STATS_LE32(general, non_channel_beacons);
911 PRINT_STATS_LE32(general, channel_beacons);
912 PRINT_STATS_LE32(general, num_missed_bcon);
913 PRINT_STATS_LE32(general, adc_rx_saturation_time);
914 PRINT_STATS_LE32(general, ina_detection_search_time);
915 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
916 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
917 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
918 PRINT_STATS_LE32(general, interference_data_flag);
919 PRINT_STATS_LE32(general, channel_load);
920 PRINT_STATS_LE32(general, beacon_rssi_a);
921 PRINT_STATS_LE32(general, beacon_rssi_b);
922 PRINT_STATS_LE32(general, beacon_rssi_c);
923 PRINT_STATS_LE32(general, beacon_energy_a);
924 PRINT_STATS_LE32(general, beacon_energy_b);
925 PRINT_STATS_LE32(general, beacon_energy_c);
926 PRINT_STATS_LE32(general, num_bt_kills);
927 PRINT_STATS_LE32(general, mac_id);
928 }
929
930 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
931 "Statistics_Rx - HT");
932 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
933 struct mvm_statistics_rx_ht_phy_v1 *ht =
934 &mvm->rx_stats_v3.ofdm_ht;
935
936 PRINT_STATS_LE32(ht, plcp_err);
937 PRINT_STATS_LE32(ht, overrun_err);
938 PRINT_STATS_LE32(ht, early_overrun_err);
939 PRINT_STATS_LE32(ht, crc32_good);
940 PRINT_STATS_LE32(ht, crc32_err);
941 PRINT_STATS_LE32(ht, mh_format_err);
942 PRINT_STATS_LE32(ht, agg_crc32_good);
943 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
944 PRINT_STATS_LE32(ht, agg_cnt);
945 PRINT_STATS_LE32(ht, unsupport_mcs);
946 } else {
947 struct mvm_statistics_rx_ht_phy *ht =
948 &mvm->rx_stats.ofdm_ht;
949
950 PRINT_STATS_LE32(ht, mh_format_err);
951 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
952 PRINT_STATS_LE32(ht, agg_cnt);
953 PRINT_STATS_LE32(ht, unsupport_mcs);
954 }
955
956 mutex_unlock(&mvm->mutex);
957
958 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
959 kfree(buf);
960
961 return ret;
962}
963#undef PRINT_STAT_LE32
964
965static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
966 char __user *user_buf, size_t count,
967 loff_t *ppos,
968 struct iwl_mvm_frame_stats *stats)
969{
970 char *buff, *pos, *endpos;
971 int idx, i;
972 int ret;
973 static const size_t bufsz = 1024;
974
975 buff = kmalloc(bufsz, GFP_KERNEL);
976 if (!buff)
977 return -ENOMEM;
978
979 spin_lock_bh(&mvm->drv_stats_lock);
980
981 pos = buff;
982 endpos = pos + bufsz;
983
984 pos += scnprintf(pos, endpos - pos,
985 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
986 stats->legacy_frames,
987 stats->ht_frames,
988 stats->vht_frames);
989 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
990 stats->bw_20_frames,
991 stats->bw_40_frames,
992 stats->bw_80_frames);
993 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
994 stats->ngi_frames,
995 stats->sgi_frames);
996 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
997 stats->siso_frames,
998 stats->mimo2_frames);
999 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
1000 stats->fail_frames,
1001 stats->success_frames);
1002 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
1003 stats->agg_frames);
1004 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
1005 stats->ampdu_count);
1006 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
1007 stats->ampdu_count > 0 ?
1008 (stats->agg_frames / stats->ampdu_count) : 0);
1009
1010 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
1011
1012 idx = stats->last_frame_idx - 1;
1013 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
1014 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
1015 if (stats->last_rates[idx] == 0)
1016 continue;
1017 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
1018 (int)(ARRAY_SIZE(stats->last_rates) - i));
1019 pos += rs_pretty_print_rate(pos, endpos - pos,
1020 stats->last_rates[idx]);
1021 if (pos < endpos - 1)
1022 *pos++ = '\n';
1023 }
1024 spin_unlock_bh(&mvm->drv_stats_lock);
1025
1026 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1027 kfree(buff);
1028
1029 return ret;
1030}
1031
1032static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1033 char __user *user_buf, size_t count,
1034 loff_t *ppos)
1035{
1036 struct iwl_mvm *mvm = file->private_data;
1037
1038 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1039 &mvm->drv_rx_stats);
1040}
1041
1042static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1043 size_t count, loff_t *ppos)
1044{
1045 int __maybe_unused ret;
1046
1047 if (!iwl_mvm_firmware_running(mvm))
1048 return -EIO;
1049
1050 mutex_lock(&mvm->mutex);
1051
1052 /* allow one more restart that we're provoking here */
1053 if (mvm->fw_restart >= 0)
1054 mvm->fw_restart++;
1055
1056 /* take the return value to make compiler happy - it will fail anyway */
1057 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
1058
1059 mutex_unlock(&mvm->mutex);
1060
1061 return count;
1062}
1063
1064static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1065 size_t count, loff_t *ppos)
1066{
1067 if (!iwl_mvm_firmware_running(mvm))
1068 return -EIO;
1069
1070 iwl_force_nmi(mvm->trans);
1071
1072 return count;
1073}
1074
1075static ssize_t
1076iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1077 char __user *user_buf,
1078 size_t count, loff_t *ppos)
1079{
1080 struct iwl_mvm *mvm = file->private_data;
1081 int pos = 0;
1082 char buf[32];
1083 const size_t bufsz = sizeof(buf);
1084
1085 /* print which antennas were set for the scan command by the user */
1086 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1087 if (mvm->scan_rx_ant & ANT_A)
1088 pos += scnprintf(buf + pos, bufsz - pos, "A");
1089 if (mvm->scan_rx_ant & ANT_B)
1090 pos += scnprintf(buf + pos, bufsz - pos, "B");
1091 if (mvm->scan_rx_ant & ANT_C)
1092 pos += scnprintf(buf + pos, bufsz - pos, "C");
1093 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
1094
1095 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1096}
1097
1098static ssize_t
1099iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1100 size_t count, loff_t *ppos)
1101{
1102 u8 scan_rx_ant;
1103
1104 if (!iwl_mvm_firmware_running(mvm))
1105 return -EIO;
1106
1107 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1108 return -EINVAL;
1109 if (scan_rx_ant > ANT_ABC)
1110 return -EINVAL;
1111 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1112 return -EINVAL;
1113
1114 if (mvm->scan_rx_ant != scan_rx_ant) {
1115 mvm->scan_rx_ant = scan_rx_ant;
1116 if (fw_has_capa(&mvm->fw->ucode_capa,
1117 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1118 iwl_mvm_config_scan(mvm);
1119 }
1120
1121 return count;
1122}
1123
1124static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1125 char *buf, size_t count,
1126 loff_t *ppos)
1127{
1128 struct iwl_rss_config_cmd cmd = {
1129 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1130 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1131 IWL_RSS_HASH_TYPE_IPV4_UDP |
1132 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1133 IWL_RSS_HASH_TYPE_IPV6_TCP |
1134 IWL_RSS_HASH_TYPE_IPV6_UDP |
1135 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1136 };
1137 int ret, i, num_repeats, nbytes = count / 2;
1138
1139 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1140 if (ret)
1141 return ret;
1142
1143 /*
1144 * The input is the redirection table, partial or full.
1145 * Repeat the pattern if needed.
1146 * For example, input of 01020F will be repeated 42 times,
1147 * indirecting RSS hash results to queues 1, 2, 15 (skipping
1148 * queues 3 - 14).
1149 */
1150 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1151 for (i = 1; i < num_repeats; i++)
1152 memcpy(&cmd.indirection_table[i * nbytes],
1153 cmd.indirection_table, nbytes);
1154 /* handle cut in the middle pattern for the last places */
1155 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1156 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1157
1158 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1159
1160 mutex_lock(&mvm->mutex);
1161 if (iwl_mvm_firmware_running(mvm))
1162 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1163 sizeof(cmd), &cmd);
1164 else
1165 ret = 0;
1166 mutex_unlock(&mvm->mutex);
1167
1168 return ret ?: count;
1169}
1170
1171static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1172 char *buf, size_t count,
1173 loff_t *ppos)
1174{
1175 struct iwl_rx_cmd_buffer rxb = {
1176 ._rx_page_order = 0,
1177 .truesize = 0, /* not used */
1178 ._offset = 0,
1179 };
1180 struct iwl_rx_packet *pkt;
1181 struct iwl_rx_mpdu_desc *desc;
1182 int bin_len = count / 2;
1183 int ret = -EINVAL;
1184 size_t mpdu_cmd_hdr_size = (mvm->trans->trans_cfg->device_family >=
1185 IWL_DEVICE_FAMILY_AX210) ?
1186 sizeof(struct iwl_rx_mpdu_desc) :
1187 IWL_RX_DESC_SIZE_V1;
1188
1189 if (!iwl_mvm_firmware_running(mvm))
1190 return -EIO;
1191
1192 /* supporting only 9000 descriptor */
1193 if (!mvm->trans->trans_cfg->mq_rx_supported)
1194 return -ENOTSUPP;
1195
1196 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1197 if (!rxb._page)
1198 return -ENOMEM;
1199 pkt = rxb_addr(&rxb);
1200
1201 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1202 if (ret)
1203 goto out;
1204
1205 /* avoid invalid memory access */
1206 if (bin_len < sizeof(*pkt) + mpdu_cmd_hdr_size)
1207 goto out;
1208
1209 /* check this is RX packet */
1210 if (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd) !=
1211 WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))
1212 goto out;
1213
1214 /* check the length in metadata matches actual received length */
1215 desc = (void *)pkt->data;
1216 if (le16_to_cpu(desc->mpdu_len) !=
1217 (bin_len - mpdu_cmd_hdr_size - sizeof(*pkt)))
1218 goto out;
1219
1220 local_bh_disable();
1221 iwl_mvm_rx_mpdu_mq(mvm, NULL, &rxb, 0);
1222 local_bh_enable();
1223 ret = 0;
1224
1225out:
1226 iwl_free_rxb(&rxb);
1227
1228 return ret ?: count;
1229}
1230
1231static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1232{
1233 struct ieee80211_vif *vif;
1234 struct iwl_mvm_vif *mvmvif;
1235 struct sk_buff *beacon;
1236 struct ieee80211_tx_info *info;
1237 struct iwl_mac_beacon_cmd beacon_cmd = {};
1238 u8 rate;
1239 u16 flags;
1240 int i;
1241
1242 len /= 2;
1243
1244 /* Element len should be represented by u8 */
1245 if (len >= U8_MAX)
1246 return -EINVAL;
1247
1248 if (!iwl_mvm_firmware_running(mvm))
1249 return -EIO;
1250
1251 if (!iwl_mvm_has_new_tx_api(mvm) &&
1252 !fw_has_api(&mvm->fw->ucode_capa,
1253 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1254 return -EINVAL;
1255
1256 rcu_read_lock();
1257
1258 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1259 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, true);
1260 if (!vif)
1261 continue;
1262
1263 if (vif->type == NL80211_IFTYPE_AP)
1264 break;
1265 }
1266
1267 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1268 goto out_err;
1269
1270 mvm->hw->extra_beacon_tailroom = len;
1271
1272 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL);
1273 if (!beacon)
1274 goto out_err;
1275
1276 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1277 dev_kfree_skb(beacon);
1278 goto out_err;
1279 }
1280
1281 mvm->beacon_inject_active = true;
1282
1283 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1284 info = IEEE80211_SKB_CB(beacon);
1285 rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
1286 flags = iwl_mvm_mac80211_idx_to_hwrate(rate);
1287
1288 if (rate == IWL_FIRST_CCK_RATE)
1289 flags |= IWL_MAC_BEACON_CCK;
1290
1291 beacon_cmd.flags = cpu_to_le16(flags);
1292 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1293 beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
1294
1295 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1296 &beacon_cmd.tim_size,
1297 beacon->data, beacon->len);
1298
1299 mutex_lock(&mvm->mutex);
1300 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1301 sizeof(beacon_cmd));
1302 mutex_unlock(&mvm->mutex);
1303
1304 dev_kfree_skb(beacon);
1305
1306 rcu_read_unlock();
1307 return 0;
1308
1309out_err:
1310 rcu_read_unlock();
1311 return -EINVAL;
1312}
1313
1314static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1315 char *buf, size_t count,
1316 loff_t *ppos)
1317{
1318 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1319
1320 mvm->hw->extra_beacon_tailroom = 0;
1321 return ret ?: count;
1322}
1323
1324static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1325 char *buf,
1326 size_t count,
1327 loff_t *ppos)
1328{
1329 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1330
1331 mvm->hw->extra_beacon_tailroom = 0;
1332 mvm->beacon_inject_active = false;
1333 return ret ?: count;
1334}
1335
1336static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1337 char __user *user_buf,
1338 size_t count, loff_t *ppos)
1339{
1340 struct iwl_mvm *mvm = file->private_data;
1341 int conf;
1342 char buf[8];
1343 const size_t bufsz = sizeof(buf);
1344 int pos = 0;
1345
1346 mutex_lock(&mvm->mutex);
1347 conf = mvm->fwrt.dump.conf;
1348 mutex_unlock(&mvm->mutex);
1349
1350 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1351
1352 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1353}
1354
1355static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1356 char *buf, size_t count,
1357 loff_t *ppos)
1358{
1359 unsigned int conf_id;
1360 int ret;
1361
1362 if (!iwl_mvm_firmware_running(mvm))
1363 return -EIO;
1364
1365 ret = kstrtouint(buf, 0, &conf_id);
1366 if (ret)
1367 return ret;
1368
1369 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1370 return -EINVAL;
1371
1372 mutex_lock(&mvm->mutex);
1373 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1374 mutex_unlock(&mvm->mutex);
1375
1376 return ret ?: count;
1377}
1378
1379static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1380 char *buf, size_t count,
1381 loff_t *ppos)
1382{
1383 if (count == 0)
1384 return 0;
1385
1386 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
1387 NULL);
1388
1389 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1390 (count - 1), NULL);
1391
1392 return count;
1393}
1394
1395#define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1396#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1397static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1398 char __user *user_buf,
1399 size_t count, loff_t *ppos)
1400{
1401 struct iwl_mvm *mvm = file->private_data;
1402 struct iwl_bcast_filter_cmd cmd;
1403 const struct iwl_fw_bcast_filter *filter;
1404 char *buf;
1405 int bufsz = 1024;
1406 int i, j, pos = 0;
1407 ssize_t ret;
1408
1409 buf = kzalloc(bufsz, GFP_KERNEL);
1410 if (!buf)
1411 return -ENOMEM;
1412
1413 mutex_lock(&mvm->mutex);
1414 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1415 ADD_TEXT("None\n");
1416 mutex_unlock(&mvm->mutex);
1417 goto out;
1418 }
1419 mutex_unlock(&mvm->mutex);
1420
1421 for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1422 filter = &cmd.filters[i];
1423
1424 ADD_TEXT("Filter [%d]:\n", i);
1425 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1426 ADD_TEXT("\tFrame Type: %s\n",
1427 filter->frame_type ? "IPv4" : "Generic");
1428
1429 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1430 const struct iwl_fw_bcast_filter_attr *attr;
1431
1432 attr = &filter->attrs[j];
1433 if (!attr->mask)
1434 break;
1435
1436 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1437 j, attr->offset,
1438 attr->offset_type ? "IP End" :
1439 "Payload Start",
1440 be32_to_cpu(attr->mask),
1441 be32_to_cpu(attr->val),
1442 le16_to_cpu(attr->reserved1));
1443 }
1444 }
1445out:
1446 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1447 kfree(buf);
1448 return ret;
1449}
1450
1451static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1452 size_t count, loff_t *ppos)
1453{
1454 int pos, next_pos;
1455 struct iwl_fw_bcast_filter filter = {};
1456 struct iwl_bcast_filter_cmd cmd;
1457 u32 filter_id, attr_id, mask, value;
1458 int err = 0;
1459
1460 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1461 &filter.frame_type, &pos) != 3)
1462 return -EINVAL;
1463
1464 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1465 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1466 return -EINVAL;
1467
1468 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1469 attr_id++) {
1470 struct iwl_fw_bcast_filter_attr *attr =
1471 &filter.attrs[attr_id];
1472
1473 if (pos >= count)
1474 break;
1475
1476 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1477 &attr->offset, &attr->offset_type,
1478 &mask, &value, &next_pos) != 4)
1479 return -EINVAL;
1480
1481 attr->mask = cpu_to_be32(mask);
1482 attr->val = cpu_to_be32(value);
1483 if (mask)
1484 filter.num_attrs++;
1485
1486 pos += next_pos;
1487 }
1488
1489 mutex_lock(&mvm->mutex);
1490 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1491 &filter, sizeof(filter));
1492
1493 /* send updated bcast filtering configuration */
1494 if (iwl_mvm_firmware_running(mvm) &&
1495 mvm->dbgfs_bcast_filtering.override &&
1496 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1497 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1498 sizeof(cmd), &cmd);
1499 mutex_unlock(&mvm->mutex);
1500
1501 return err ?: count;
1502}
1503
1504static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1505 char __user *user_buf,
1506 size_t count, loff_t *ppos)
1507{
1508 struct iwl_mvm *mvm = file->private_data;
1509 struct iwl_bcast_filter_cmd cmd;
1510 char *buf;
1511 int bufsz = 1024;
1512 int i, pos = 0;
1513 ssize_t ret;
1514
1515 buf = kzalloc(bufsz, GFP_KERNEL);
1516 if (!buf)
1517 return -ENOMEM;
1518
1519 mutex_lock(&mvm->mutex);
1520 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1521 ADD_TEXT("None\n");
1522 mutex_unlock(&mvm->mutex);
1523 goto out;
1524 }
1525 mutex_unlock(&mvm->mutex);
1526
1527 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1528 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1529
1530 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1531 i, mac->default_discard, mac->attached_filters);
1532 }
1533out:
1534 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1535 kfree(buf);
1536 return ret;
1537}
1538
1539static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1540 char *buf, size_t count,
1541 loff_t *ppos)
1542{
1543 struct iwl_bcast_filter_cmd cmd;
1544 struct iwl_fw_bcast_mac mac = {};
1545 u32 mac_id, attached_filters;
1546 int err = 0;
1547
1548 if (!mvm->bcast_filters)
1549 return -ENOENT;
1550
1551 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1552 &attached_filters) != 3)
1553 return -EINVAL;
1554
1555 if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1556 mac.default_discard > 1 ||
1557 attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1558 return -EINVAL;
1559
1560 mac.attached_filters = cpu_to_le16(attached_filters);
1561
1562 mutex_lock(&mvm->mutex);
1563 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1564 &mac, sizeof(mac));
1565
1566 /* send updated bcast filtering configuration */
1567 if (iwl_mvm_firmware_running(mvm) &&
1568 mvm->dbgfs_bcast_filtering.override &&
1569 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1570 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1571 sizeof(cmd), &cmd);
1572 mutex_unlock(&mvm->mutex);
1573
1574 return err ?: count;
1575}
1576#endif
1577
1578#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1579 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1580#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1581 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1582#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1583 debugfs_create_file(alias, mode, parent, mvm, \
1584 &iwl_dbgfs_##name##_ops); \
1585 } while (0)
1586#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1587 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1588
1589#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
1590 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1591#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
1592 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1593
1594#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
1595 debugfs_create_file(alias, mode, parent, sta, \
1596 &iwl_dbgfs_##name##_ops); \
1597 } while (0)
1598#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
1599 MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
1600
1601static ssize_t
1602iwl_dbgfs_prph_reg_read(struct file *file,
1603 char __user *user_buf,
1604 size_t count, loff_t *ppos)
1605{
1606 struct iwl_mvm *mvm = file->private_data;
1607 int pos = 0;
1608 char buf[32];
1609 const size_t bufsz = sizeof(buf);
1610
1611 if (!mvm->dbgfs_prph_reg_addr)
1612 return -EINVAL;
1613
1614 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1615 mvm->dbgfs_prph_reg_addr,
1616 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1617
1618 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1619}
1620
1621static ssize_t
1622iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1623 size_t count, loff_t *ppos)
1624{
1625 u8 args;
1626 u32 value;
1627
1628 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1629 /* if we only want to set the reg address - nothing more to do */
1630 if (args == 1)
1631 goto out;
1632
1633 /* otherwise, make sure we have both address and value */
1634 if (args != 2)
1635 return -EINVAL;
1636
1637 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1638
1639out:
1640 return count;
1641}
1642
1643static ssize_t
1644iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1645 size_t count, loff_t *ppos)
1646{
1647 int ret;
1648
1649 if (!iwl_mvm_firmware_running(mvm))
1650 return -EIO;
1651
1652 mutex_lock(&mvm->mutex);
1653 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1654 mutex_unlock(&mvm->mutex);
1655
1656 return ret ?: count;
1657}
1658
1659struct iwl_mvm_sniffer_apply {
1660 struct iwl_mvm *mvm;
1661 u8 *bssid;
1662 u16 aid;
1663};
1664
1665static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1666 struct iwl_rx_packet *pkt, void *data)
1667{
1668 struct iwl_mvm_sniffer_apply *apply = data;
1669
1670 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1671 memcpy(apply->mvm->cur_bssid, apply->bssid,
1672 sizeof(apply->mvm->cur_bssid));
1673
1674 return true;
1675}
1676
1677static ssize_t
1678iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1679 size_t count, loff_t *ppos)
1680{
1681 struct iwl_notification_wait wait;
1682 struct iwl_he_monitor_cmd he_mon_cmd = {};
1683 struct iwl_mvm_sniffer_apply apply = {
1684 .mvm = mvm,
1685 };
1686 u16 wait_cmds[] = {
1687 iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0),
1688 };
1689 u32 aid;
1690 int ret;
1691
1692 if (!iwl_mvm_firmware_running(mvm))
1693 return -EIO;
1694
1695 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1696 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1697 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1698 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1699 if (ret != 7)
1700 return -EINVAL;
1701
1702 he_mon_cmd.aid = cpu_to_le16(aid);
1703
1704 apply.aid = aid;
1705 apply.bssid = (void *)he_mon_cmd.bssid;
1706
1707 mutex_lock(&mvm->mutex);
1708
1709 /*
1710 * Use the notification waiter to get our function triggered
1711 * in sequence with other RX. This ensures that frames we get
1712 * on the RX queue _before_ the new configuration is applied
1713 * still have mvm->cur_aid pointing to the old AID, and that
1714 * frames on the RX queue _after_ the firmware processed the
1715 * new configuration (and sent the response, synchronously)
1716 * get mvm->cur_aid correctly set to the new AID.
1717 */
1718 iwl_init_notification_wait(&mvm->notif_wait, &wait,
1719 wait_cmds, ARRAY_SIZE(wait_cmds),
1720 iwl_mvm_sniffer_apply, &apply);
1721
1722 ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD,
1723 DATA_PATH_GROUP, 0), 0,
1724 sizeof(he_mon_cmd), &he_mon_cmd);
1725
1726 /* no need to really wait, we already did anyway */
1727 iwl_remove_notification(&mvm->notif_wait, &wait);
1728
1729 mutex_unlock(&mvm->mutex);
1730
1731 return ret ?: count;
1732}
1733
1734static ssize_t
1735iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1736 size_t count, loff_t *ppos)
1737{
1738 struct iwl_mvm *mvm = file->private_data;
1739 u8 buf[32];
1740 int len;
1741
1742 len = scnprintf(buf, sizeof(buf),
1743 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1744 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1745 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1746 mvm->cur_bssid[4], mvm->cur_bssid[5]);
1747
1748 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1749}
1750
1751static ssize_t
1752iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1753 size_t count, loff_t *ppos)
1754{
1755 struct iwl_mvm *mvm = file->private_data;
1756 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1757 unsigned int pos = 0;
1758 size_t bufsz = sizeof(buf);
1759 int i;
1760
1761 mutex_lock(&mvm->mutex);
1762
1763 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1764 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1765 mvm->uapsd_noagg_bssids[i].addr);
1766
1767 mutex_unlock(&mvm->mutex);
1768
1769 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1770}
1771
1772static ssize_t
1773iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1774 char *buf, size_t count, loff_t *ppos)
1775{
1776 int ret;
1777 struct iwl_ltr_config_cmd ltr_config = {0};
1778
1779 if (!iwl_mvm_firmware_running(mvm))
1780 return -EIO;
1781
1782 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1783 <r_config.flags,
1784 <r_config.static_long,
1785 <r_config.static_short,
1786 <r_config.ltr_cfg_values[0],
1787 <r_config.ltr_cfg_values[1],
1788 <r_config.ltr_cfg_values[2],
1789 <r_config.ltr_cfg_values[3]) != 7) {
1790 return -EINVAL;
1791 }
1792
1793 mutex_lock(&mvm->mutex);
1794 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1795 <r_config);
1796 mutex_unlock(&mvm->mutex);
1797
1798 if (ret)
1799 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1800
1801 return ret ?: count;
1802}
1803
1804MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1805
1806/* Device wide debugfs entries */
1807MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1808MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1809MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1810MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1811MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1812MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1813MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1814MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1815MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1816MVM_DEBUGFS_READ_FILE_OPS(stations);
1817MVM_DEBUGFS_READ_FILE_OPS(rs_data);
1818MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1819MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1820MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1821MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1822MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1823MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
1824MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1825MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1826MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1827MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1828MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1829MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1830MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1831MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1832 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1833MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1834MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1835MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1836
1837MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1838
1839#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1840MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1841MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1842#endif
1843
1844#ifdef CONFIG_ACPI
1845MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1846#endif
1847
1848MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
1849
1850MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1851
1852MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1853
1854static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1855 size_t count, loff_t *ppos)
1856{
1857 struct iwl_mvm *mvm = file->private_data;
1858 struct iwl_dbg_mem_access_cmd cmd = {};
1859 struct iwl_dbg_mem_access_rsp *rsp;
1860 struct iwl_host_cmd hcmd = {
1861 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1862 .data = { &cmd, },
1863 .len = { sizeof(cmd) },
1864 };
1865 size_t delta;
1866 ssize_t ret, len;
1867
1868 if (!iwl_mvm_firmware_running(mvm))
1869 return -EIO;
1870
1871 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1872 DEBUG_GROUP, 0);
1873 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1874
1875 /* Take care of alignment of both the position and the length */
1876 delta = *ppos & 0x3;
1877 cmd.addr = cpu_to_le32(*ppos - delta);
1878 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1879 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1880
1881 mutex_lock(&mvm->mutex);
1882 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1883 mutex_unlock(&mvm->mutex);
1884
1885 if (ret < 0)
1886 return ret;
1887
1888 rsp = (void *)hcmd.resp_pkt->data;
1889 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1890 ret = -ENXIO;
1891 goto out;
1892 }
1893
1894 len = min((size_t)le32_to_cpu(rsp->len) << 2,
1895 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
1896 len = min(len - delta, count);
1897 if (len < 0) {
1898 ret = -EFAULT;
1899 goto out;
1900 }
1901
1902 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len);
1903 *ppos += ret;
1904
1905out:
1906 iwl_free_resp(&hcmd);
1907 return ret;
1908}
1909
1910static ssize_t iwl_dbgfs_mem_write(struct file *file,
1911 const char __user *user_buf, size_t count,
1912 loff_t *ppos)
1913{
1914 struct iwl_mvm *mvm = file->private_data;
1915 struct iwl_dbg_mem_access_cmd *cmd;
1916 struct iwl_dbg_mem_access_rsp *rsp;
1917 struct iwl_host_cmd hcmd = {};
1918 size_t cmd_size;
1919 size_t data_size;
1920 u32 op, len;
1921 ssize_t ret;
1922
1923 if (!iwl_mvm_firmware_running(mvm))
1924 return -EIO;
1925
1926 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1927 DEBUG_GROUP, 0);
1928
1929 if (*ppos & 0x3 || count < 4) {
1930 op = DEBUG_MEM_OP_WRITE_BYTES;
1931 len = min(count, (size_t)(4 - (*ppos & 0x3)));
1932 data_size = len;
1933 } else {
1934 op = DEBUG_MEM_OP_WRITE;
1935 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
1936 data_size = len << 2;
1937 }
1938
1939 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
1940 cmd = kzalloc(cmd_size, GFP_KERNEL);
1941 if (!cmd)
1942 return -ENOMEM;
1943
1944 cmd->op = cpu_to_le32(op);
1945 cmd->len = cpu_to_le32(len);
1946 cmd->addr = cpu_to_le32(*ppos);
1947 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
1948 kfree(cmd);
1949 return -EFAULT;
1950 }
1951
1952 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1953 hcmd.data[0] = (void *)cmd;
1954 hcmd.len[0] = cmd_size;
1955
1956 mutex_lock(&mvm->mutex);
1957 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1958 mutex_unlock(&mvm->mutex);
1959
1960 kfree(cmd);
1961
1962 if (ret < 0)
1963 return ret;
1964
1965 rsp = (void *)hcmd.resp_pkt->data;
1966 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
1967 ret = -ENXIO;
1968 goto out;
1969 }
1970
1971 ret = data_size;
1972 *ppos += ret;
1973
1974out:
1975 iwl_free_resp(&hcmd);
1976 return ret;
1977}
1978
1979static const struct file_operations iwl_dbgfs_mem_ops = {
1980 .read = iwl_dbgfs_mem_read,
1981 .write = iwl_dbgfs_mem_write,
1982 .open = simple_open,
1983 .llseek = default_llseek,
1984};
1985
1986void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
1987 struct ieee80211_vif *vif,
1988 struct ieee80211_sta *sta,
1989 struct dentry *dir)
1990{
1991 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1992
1993 if (iwl_mvm_has_tlc_offload(mvm)) {
1994 MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
1995 }
1996 MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600);
1997}
1998
1999void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
2000{
2001 struct dentry *bcast_dir __maybe_unused;
2002 char buf[100];
2003
2004 spin_lock_init(&mvm->drv_stats_lock);
2005
2006 mvm->debugfs_dir = dbgfs_dir;
2007
2008 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2009 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
2010 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2011 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2012 MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, 0400);
2013 MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, 0400);
2014 MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, 0200);
2015 MVM_DEBUGFS_ADD_FILE(force_ctkill, dbgfs_dir, 0200);
2016 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, 0400);
2017 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, 0400);
2018 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, 0400);
2019 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2020 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
2021 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2022 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2023 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2024 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2025 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
2026 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
2027 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2028 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2029 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2030 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
2031 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2032 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2033 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2034 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2035 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2036#ifdef CONFIG_ACPI
2037 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400);
2038#endif
2039 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2040
2041 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2042 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2043
2044 debugfs_create_bool("enable_scan_iteration_notif", 0600,
2045 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2046 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2047 &mvm->drop_bcn_ap_mode);
2048
2049 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2050
2051#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2052 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
2053 bcast_dir = debugfs_create_dir("bcast_filtering",
2054 mvm->debugfs_dir);
2055
2056 debugfs_create_bool("override", 0600, bcast_dir,
2057 &mvm->dbgfs_bcast_filtering.override);
2058
2059 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
2060 bcast_dir, 0600);
2061 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
2062 bcast_dir, 0600);
2063 }
2064#endif
2065
2066#ifdef CONFIG_PM_SLEEP
2067 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2068 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2069 &mvm->d3_wake_sysassert);
2070 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2071 &mvm->last_netdetect_scans);
2072#endif
2073
2074 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2075 &mvm->ps_disabled);
2076 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2077 &mvm->nvm_hw_blob);
2078 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2079 &mvm->nvm_sw_blob);
2080 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2081 &mvm->nvm_calib_blob);
2082 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2083 &mvm->nvm_prod_blob);
2084 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2085 &mvm->nvm_phy_sku_blob);
2086 debugfs_create_blob("nvm_reg", S_IRUSR,
2087 mvm->debugfs_dir, &mvm->nvm_reg_blob);
2088
2089 debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops);
2090
2091 /*
2092 * Create a symlink with mac80211. It will be removed when mac80211
2093 * exists (before the opmode exists which removes the target.)
2094 */
2095 snprintf(buf, 100, "../../%pd2", dbgfs_dir->d_parent);
2096 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf);
2097}