1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2012-2014, 2018-2023, 2025 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 "iwl-utils.h"
20 #include "fw/error-dump.h"
21 #include "fw/api/phy-ctxt.h"
22
iwl_dbgfs_ctdp_budget_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)23 static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
24 char __user *user_buf,
25 size_t count, loff_t *ppos)
26 {
27 struct iwl_mvm *mvm = file->private_data;
28 char buf[16];
29 int pos, budget;
30
31 if (!iwl_mvm_is_ctdp_supported(mvm))
32 return -EOPNOTSUPP;
33
34 if (!iwl_mvm_firmware_running(mvm) ||
35 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
36 return -EIO;
37
38 mutex_lock(&mvm->mutex);
39 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
40 mutex_unlock(&mvm->mutex);
41
42 if (budget < 0)
43 return budget;
44
45 pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
46
47 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
48 }
49
iwl_dbgfs_stop_ctdp_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)50 static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
51 size_t count, loff_t *ppos)
52 {
53 int ret;
54 bool force;
55
56 if (!kstrtobool(buf, &force))
57 IWL_DEBUG_INFO(mvm,
58 "force start is %d [0=disabled, 1=enabled]\n",
59 force);
60
61 /* we allow skipping cap support check and force stop ctdp
62 * statistics collection and with guerantee that it is
63 * safe to use.
64 */
65 if (!force && !iwl_mvm_is_ctdp_supported(mvm))
66 return -EOPNOTSUPP;
67
68 if (!iwl_mvm_firmware_running(mvm) ||
69 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
70 return -EIO;
71
72 mutex_lock(&mvm->mutex);
73 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
74 mutex_unlock(&mvm->mutex);
75
76 return ret ?: count;
77 }
78
iwl_dbgfs_start_ctdp_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)79 static ssize_t iwl_dbgfs_start_ctdp_write(struct iwl_mvm *mvm,
80 char *buf, size_t count,
81 loff_t *ppos)
82 {
83 int ret;
84 bool force;
85
86 if (!kstrtobool(buf, &force))
87 IWL_DEBUG_INFO(mvm,
88 "force start is %d [0=disabled, 1=enabled]\n",
89 force);
90
91 /* we allow skipping cap support check and force enable ctdp
92 * for statistics collection and with guerantee that it is
93 * safe to use.
94 */
95 if (!force && !iwl_mvm_is_ctdp_supported(mvm))
96 return -EOPNOTSUPP;
97
98 if (!iwl_mvm_firmware_running(mvm) ||
99 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
100 return -EIO;
101
102 mutex_lock(&mvm->mutex);
103 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 0);
104 mutex_unlock(&mvm->mutex);
105
106 return ret ?: count;
107 }
108
iwl_dbgfs_force_ctkill_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)109 static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
110 size_t count, loff_t *ppos)
111 {
112 if (!iwl_mvm_firmware_running(mvm) ||
113 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
114 return -EIO;
115
116 iwl_mvm_enter_ctkill(mvm);
117
118 return count;
119 }
120
iwl_dbgfs_tx_flush_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)121 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
122 size_t count, loff_t *ppos)
123 {
124 int ret;
125 u32 flush_arg;
126
127 if (!iwl_mvm_firmware_running(mvm) ||
128 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
129 return -EIO;
130
131 if (kstrtou32(buf, 0, &flush_arg))
132 return -EINVAL;
133
134 if (iwl_mvm_has_new_tx_api(mvm)) {
135 IWL_DEBUG_TX_QUEUES(mvm,
136 "FLUSHING all tids queues on sta_id = %d\n",
137 flush_arg);
138 mutex_lock(&mvm->mutex);
139 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
140 ? : count;
141 mutex_unlock(&mvm->mutex);
142 return ret;
143 }
144
145 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
146 flush_arg);
147
148 mutex_lock(&mvm->mutex);
149 ret = iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
150 mutex_unlock(&mvm->mutex);
151
152 return ret;
153 }
154
iwl_dbgfs_sram_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)155 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
156 size_t count, loff_t *ppos)
157 {
158 struct iwl_mvm *mvm = file->private_data;
159 const struct fw_img *img;
160 unsigned int ofs, len;
161 size_t ret;
162 u8 *ptr;
163
164 if (!iwl_mvm_firmware_running(mvm))
165 return -EINVAL;
166
167 /* default is to dump the entire data segment */
168 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
169 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
170 len = img->sec[IWL_UCODE_SECTION_DATA].len;
171
172 if (mvm->dbgfs_sram_len) {
173 ofs = mvm->dbgfs_sram_offset;
174 len = mvm->dbgfs_sram_len;
175 }
176
177 ptr = kzalloc(len, GFP_KERNEL);
178 if (!ptr)
179 return -ENOMEM;
180
181 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
182
183 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
184
185 kfree(ptr);
186
187 return ret;
188 }
189
iwl_dbgfs_sram_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)190 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
191 size_t count, loff_t *ppos)
192 {
193 const struct fw_img *img;
194 u32 offset, len;
195 u32 img_offset, img_len;
196
197 if (!iwl_mvm_firmware_running(mvm))
198 return -EINVAL;
199
200 img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
201 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
202 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
203
204 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
205 if ((offset & 0x3) || (len & 0x3))
206 return -EINVAL;
207
208 if (offset + len > img_offset + img_len)
209 return -EINVAL;
210
211 mvm->dbgfs_sram_offset = offset;
212 mvm->dbgfs_sram_len = len;
213 } else {
214 mvm->dbgfs_sram_offset = 0;
215 mvm->dbgfs_sram_len = 0;
216 }
217
218 return count;
219 }
220
iwl_dbgfs_set_nic_temperature_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)221 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
222 char __user *user_buf,
223 size_t count, loff_t *ppos)
224 {
225 struct iwl_mvm *mvm = file->private_data;
226 char buf[16];
227 int pos;
228
229 if (!mvm->temperature_test)
230 pos = scnprintf(buf, sizeof(buf), "disabled\n");
231 else
232 pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature);
233
234 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
235 }
236
237 /*
238 * Set NIC Temperature
239 * Cause the driver to ignore the actual NIC temperature reported by the FW
240 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
241 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
242 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
243 */
iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)244 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
245 char *buf, size_t count,
246 loff_t *ppos)
247 {
248 int temperature;
249
250 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
251 return -EIO;
252
253 if (kstrtoint(buf, 10, &temperature))
254 return -EINVAL;
255 /* not a legal temperature */
256 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
257 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
258 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
259 return -EINVAL;
260
261 mutex_lock(&mvm->mutex);
262 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
263 if (!mvm->temperature_test)
264 goto out;
265
266 mvm->temperature_test = false;
267 /* Since we can't read the temp while awake, just set
268 * it to zero until we get the next RX stats from the
269 * firmware.
270 */
271 mvm->temperature = 0;
272 } else {
273 mvm->temperature_test = true;
274 mvm->temperature = temperature;
275 }
276 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
277 mvm->temperature_test ? "En" : "Dis",
278 mvm->temperature);
279 /* handle the temperature change */
280 iwl_mvm_tt_handler(mvm);
281
282 out:
283 mutex_unlock(&mvm->mutex);
284
285 return count;
286 }
287
iwl_dbgfs_nic_temp_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)288 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
289 char __user *user_buf,
290 size_t count, loff_t *ppos)
291 {
292 struct iwl_mvm *mvm = file->private_data;
293 char buf[16];
294 int pos, ret;
295 s32 temp;
296
297 if (!iwl_mvm_firmware_running(mvm))
298 return -EIO;
299
300 mutex_lock(&mvm->mutex);
301 ret = iwl_mvm_get_temp(mvm, &temp);
302 mutex_unlock(&mvm->mutex);
303
304 if (ret)
305 return -EIO;
306
307 pos = scnprintf(buf, sizeof(buf), "%d\n", temp);
308
309 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
310 }
311
312 #ifdef CONFIG_ACPI
iwl_dbgfs_sar_geo_profile_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)313 static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
314 char __user *user_buf,
315 size_t count, loff_t *ppos)
316 {
317 struct iwl_mvm *mvm = file->private_data;
318 char buf[256];
319 int pos = 0;
320 int bufsz = sizeof(buf);
321 int tbl_idx;
322
323 if (!iwl_mvm_firmware_running(mvm))
324 return -EIO;
325
326 mutex_lock(&mvm->mutex);
327 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
328 if (tbl_idx < 0) {
329 mutex_unlock(&mvm->mutex);
330 return tbl_idx;
331 }
332
333 if (!tbl_idx) {
334 pos = scnprintf(buf, bufsz,
335 "SAR geographic profile disabled\n");
336 } else {
337 pos += scnprintf(buf + pos, bufsz - pos,
338 "Use geographic profile %d\n", tbl_idx);
339 pos += scnprintf(buf + pos, bufsz - pos,
340 "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
341 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
342 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
343 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
344 pos += scnprintf(buf + pos, bufsz - pos,
345 "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
346 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
347 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
348 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
349 }
350 mutex_unlock(&mvm->mutex);
351
352 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
353 }
354
iwl_dbgfs_wifi_6e_enable_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)355 static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file,
356 char __user *user_buf,
357 size_t count, loff_t *ppos)
358 {
359 struct iwl_mvm *mvm = file->private_data;
360 int err, pos;
361 char buf[12];
362 u32 value;
363
364 err = iwl_bios_get_dsm(&mvm->fwrt, DSM_FUNC_ENABLE_6E, &value);
365 if (err)
366 return err;
367
368 pos = sprintf(buf, "0x%08x\n", value);
369
370 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
371 }
372 #endif
373
iwl_dbgfs_stations_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)374 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
375 size_t count, loff_t *ppos)
376 {
377 struct iwl_mvm *mvm = file->private_data;
378 struct ieee80211_sta *sta;
379 char buf[400];
380 int i, pos = 0, bufsz = sizeof(buf);
381
382 mutex_lock(&mvm->mutex);
383
384 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
385 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
386 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
387 lockdep_is_held(&mvm->mutex));
388 if (!sta)
389 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
390 else if (IS_ERR(sta))
391 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
392 PTR_ERR(sta));
393 else
394 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
395 sta->addr);
396 }
397
398 mutex_unlock(&mvm->mutex);
399
400 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
401 }
402
iwl_dbgfs_rs_data_read(struct ieee80211_link_sta * link_sta,struct iwl_mvm_sta * mvmsta,struct iwl_mvm * mvm,struct iwl_mvm_link_sta * mvm_link_sta,char __user * user_buf,size_t count,loff_t * ppos)403 static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta,
404 struct iwl_mvm_sta *mvmsta,
405 struct iwl_mvm *mvm,
406 struct iwl_mvm_link_sta *mvm_link_sta,
407 char __user *user_buf,
408 size_t count, loff_t *ppos)
409 {
410 struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw;
411 static const size_t bufsz = 2048;
412 char *buff;
413 int desc = 0;
414 ssize_t ret;
415
416 buff = kmalloc(bufsz, GFP_KERNEL);
417 if (!buff)
418 return -ENOMEM;
419
420 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
421 lq_sta->pers.sta_id);
422 desc += scnprintf(buff + desc, bufsz - desc,
423 "fixed rate 0x%X\n",
424 lq_sta->pers.dbg_fixed_rate);
425 desc += scnprintf(buff + desc, bufsz - desc,
426 "A-MPDU size limit %d\n",
427 lq_sta->pers.dbg_agg_frame_count_lim);
428 desc += scnprintf(buff + desc, bufsz - desc,
429 "valid_tx_ant %s%s\n",
430 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
431 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
432 desc += scnprintf(buff + desc, bufsz - desc,
433 "last tx rate=0x%X ",
434 lq_sta->last_rate_n_flags);
435
436 desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
437 lq_sta->last_rate_n_flags);
438 if (desc < bufsz - 1)
439 buff[desc++] = '\n';
440
441 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
442 kfree(buff);
443 return ret;
444 }
445
iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta * link_sta,struct iwl_mvm_sta * mvmsta,struct iwl_mvm * mvm,struct iwl_mvm_link_sta * mvm_link_sta,char * buf,size_t count,loff_t * ppos)446 static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta,
447 struct iwl_mvm_sta *mvmsta,
448 struct iwl_mvm *mvm,
449 struct iwl_mvm_link_sta *mvm_link_sta,
450 char *buf, size_t count,
451 loff_t *ppos)
452 {
453 int i;
454 u16 amsdu_len;
455
456 if (kstrtou16(buf, 0, &amsdu_len))
457 return -EINVAL;
458
459 /* only change from debug set <-> debug unset */
460 if (amsdu_len && mvm_link_sta->orig_amsdu_len)
461 return -EBUSY;
462
463 if (amsdu_len) {
464 mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len;
465 link_sta->agg.max_amsdu_len = amsdu_len;
466 for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++)
467 link_sta->agg.max_tid_amsdu_len[i] = amsdu_len;
468 } else {
469 link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len;
470 mvm_link_sta->orig_amsdu_len = 0;
471 }
472
473 ieee80211_sta_recalc_aggregates(link_sta->sta);
474
475 return count;
476 }
477
iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta * link_sta,struct iwl_mvm_sta * mvmsta,struct iwl_mvm * mvm,struct iwl_mvm_link_sta * mvm_link_sta,char __user * user_buf,size_t count,loff_t * ppos)478 static ssize_t iwl_dbgfs_amsdu_len_read(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 __user *user_buf,
483 size_t count, loff_t *ppos)
484 {
485 char buf[32];
486 int pos;
487
488 pos = scnprintf(buf, sizeof(buf), "current %d ",
489 link_sta->agg.max_amsdu_len);
490 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
491 mvm_link_sta->orig_amsdu_len);
492
493 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
494 }
495
iwl_dbgfs_disable_power_off_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)496 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
497 char __user *user_buf,
498 size_t count, loff_t *ppos)
499 {
500 struct iwl_mvm *mvm = file->private_data;
501 char buf[64];
502 int bufsz = sizeof(buf);
503 int pos = 0;
504
505 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
506 mvm->disable_power_off);
507 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
508 mvm->disable_power_off_d3);
509
510 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
511 }
512
iwl_dbgfs_disable_power_off_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)513 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
514 size_t count, loff_t *ppos)
515 {
516 int ret, val;
517
518 if (!iwl_mvm_firmware_running(mvm))
519 return -EIO;
520
521 if (!strncmp("disable_power_off_d0=", buf, 21)) {
522 if (sscanf(buf + 21, "%d", &val) != 1)
523 return -EINVAL;
524 mvm->disable_power_off = val;
525 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
526 if (sscanf(buf + 21, "%d", &val) != 1)
527 return -EINVAL;
528 mvm->disable_power_off_d3 = val;
529 } else {
530 return -EINVAL;
531 }
532
533 mutex_lock(&mvm->mutex);
534 ret = iwl_mvm_power_update_device(mvm);
535 mutex_unlock(&mvm->mutex);
536
537 return ret ?: count;
538 }
539
iwl_dbgfs_tas_get_status_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)540 static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
541 char __user *user_buf,
542 size_t count, loff_t *ppos)
543 {
544 struct iwl_mvm *mvm = file->private_data;
545 struct iwl_tas_status_resp *rsp = NULL;
546 static const size_t bufsz = 1024;
547 char *buff, *pos, *endpos;
548 const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
549 [TAS_DISABLED_DUE_TO_BIOS] =
550 "Due To BIOS",
551 [TAS_DISABLED_DUE_TO_SAR_6DBM] =
552 "Due To SAR Limit Less Than 6 dBm",
553 [TAS_DISABLED_REASON_INVALID] =
554 "N/A",
555 [TAS_DISABLED_DUE_TO_TABLE_SOURCE_INVALID] =
556 "Due to table source invalid",
557 };
558 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
559 [TAS_DYNA_INACTIVE] = "INACTIVE",
560 [TAS_DYNA_INACTIVE_MVM_MODE] =
561 "inactive due to mvm mode",
562 [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
563 "inactive due to trigger mode",
564 [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
565 "inactive due to block listed",
566 [TAS_DYNA_INACTIVE_UHB_NON_US] =
567 "inactive due to uhb non US",
568 [TAS_DYNA_ACTIVE] = "ACTIVE",
569 };
570 struct iwl_host_cmd hcmd = {
571 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
572 .flags = CMD_WANT_SKB,
573 .len = { 0, },
574 .data = { NULL, },
575 };
576 int ret, i, tmp;
577 bool tas_enabled = false;
578 unsigned long dyn_status;
579
580 if (!iwl_mvm_firmware_running(mvm))
581 return -ENODEV;
582
583 if (iwl_fw_lookup_notif_ver(mvm->fw, DEBUG_GROUP, GET_TAS_STATUS,
584 0) != 3)
585 return -EOPNOTSUPP;
586
587 mutex_lock(&mvm->mutex);
588 ret = iwl_mvm_send_cmd(mvm, &hcmd);
589 mutex_unlock(&mvm->mutex);
590 if (ret < 0)
591 return ret;
592
593 buff = kzalloc(bufsz, GFP_KERNEL);
594 if (!buff)
595 return -ENOMEM;
596 pos = buff;
597 endpos = pos + bufsz;
598
599 rsp = (void *)hcmd.resp_pkt->data;
600
601 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
602 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
603 if (rsp->tas_status_mac[i].dynamic_status &
604 BIT(TAS_DYNA_ACTIVE)) {
605 pos += scnprintf(pos, endpos - pos, "\tON for ");
606 switch (rsp->tas_status_mac[i].band) {
607 case PHY_BAND_5:
608 pos += scnprintf(pos, endpos - pos, "HB\n");
609 break;
610 case PHY_BAND_24:
611 pos += scnprintf(pos, endpos - pos, "LB\n");
612 break;
613 case PHY_BAND_6:
614 pos += scnprintf(pos, endpos - pos, "UHB\n");
615 break;
616 default:
617 pos += scnprintf(pos, endpos - pos,
618 "Unsupported band (%d)\n",
619 rsp->tas_status_mac[i].band);
620 goto out;
621 }
622 tas_enabled = true;
623 }
624 }
625 if (!tas_enabled)
626 pos += scnprintf(pos, endpos - pos, "\tOFF\n");
627
628 pos += scnprintf(pos, endpos - pos, "TAS Report\n");
629 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
630 rsp->tas_fw_version);
631 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
632 rsp->is_uhb_for_usa_enable ? "True" : "False");
633
634 if (fw_has_capa(&mvm->fw->ucode_capa,
635 IWL_UCODE_TLV_CAPA_UHB_CANADA_TAS_SUPPORT))
636 pos += scnprintf(pos, endpos - pos,
637 "Is UHB enabled for CANADA?: %s\n",
638 rsp->uhb_allowed_flags &
639 TAS_UHB_ALLOWED_CANADA ? "True" : "False");
640
641 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
642 le16_to_cpu(rsp->curr_mcc));
643
644 pos += scnprintf(pos, endpos - pos, "Block list entries:");
645 for (i = 0; i < IWL_WTAS_BLACK_LIST_MAX; i++)
646 pos += scnprintf(pos, endpos - pos, " 0x%x",
647 le16_to_cpu(rsp->block_list[i]));
648
649 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
650 dmi_get_system_info(DMI_SYS_VENDOR) ?: "<unknown>");
651 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
652 iwl_is_tas_approved() ? "YES" : "NO");
653 pos += scnprintf(pos, endpos - pos,
654 "\tDo TAS Support Dual Radio?: %s\n",
655 rsp->in_dual_radio ? "TRUE" : "FALSE");
656
657 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
658 if (rsp->tas_status_mac[i].static_status == 0) {
659 pos += scnprintf(pos, endpos - pos,
660 "Static status: disabled\n");
661 pos += scnprintf(pos, endpos - pos,
662 "Static disabled reason: %s (0)\n",
663 tas_dis_reason[0]);
664 goto out;
665 }
666
667 pos += scnprintf(pos, endpos - pos, "TAS status for ");
668 switch (rsp->tas_status_mac[i].band) {
669 case PHY_BAND_5:
670 pos += scnprintf(pos, endpos - pos, "High band\n");
671 break;
672 case PHY_BAND_24:
673 pos += scnprintf(pos, endpos - pos, "Low band\n");
674 break;
675 case PHY_BAND_6:
676 pos += scnprintf(pos, endpos - pos,
677 "Ultra high band\n");
678 break;
679 default:
680 pos += scnprintf(pos, endpos - pos,
681 "Unsupported band (%d)\n",
682 rsp->tas_status_mac[i].band);
683 goto out;
684 }
685 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
686 rsp->tas_status_mac[i].static_status ?
687 "En" : "Dis");
688 pos += scnprintf(pos, endpos - pos,
689 "\tStatic Disabled Reason: ");
690 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
691 pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
692 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
693 rsp->tas_status_mac[i].static_dis_reason);
694 else
695 pos += scnprintf(pos, endpos - pos,
696 "unsupported value (%d)\n",
697 rsp->tas_status_mac[i].static_dis_reason);
698
699 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
700 dyn_status = (rsp->tas_status_mac[i].dynamic_status);
701 for_each_set_bit(tmp, &dyn_status, TAS_DYNA_STATUS_MAX) {
702 pos += scnprintf(pos, endpos - pos, "\t%s (%d)\n",
703 tas_current_status[tmp], tmp);
704 }
705
706 pos += scnprintf(pos, endpos - pos,
707 "Is near disconnection?: %s\n",
708 rsp->tas_status_mac[i].near_disconnection ?
709 "True" : "False");
710 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
711 pos += scnprintf(pos, endpos - pos,
712 "Max. regulatory pwr limit (dBm): %d.%03d\n",
713 tmp / 8, 125 * (tmp % 8));
714 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
715 pos += scnprintf(pos, endpos - pos,
716 "SAR limit (dBm): %d.%03d\n",
717 tmp / 8, 125 * (tmp % 8));
718 }
719
720 out:
721 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
722 kfree(buff);
723 iwl_free_resp(&hcmd);
724 return ret;
725 }
726
iwl_dbgfs_phy_integration_ver_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)727 static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
728 char __user *user_buf,
729 size_t count, loff_t *ppos)
730 {
731 struct iwl_mvm *mvm = file->private_data;
732 char *buf;
733 size_t bufsz;
734 int pos;
735 ssize_t ret;
736
737 bufsz = mvm->fw->phy_integration_ver_len + 2;
738 buf = kmalloc(bufsz, GFP_KERNEL);
739 if (!buf)
740 return -ENOMEM;
741
742 pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
743 mvm->fw->phy_integration_ver);
744
745 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
746
747 kfree(buf);
748 return ret;
749 }
750
751 #define PRINT_STATS_LE32(_struct, _memb) \
752 pos += scnprintf(buf + pos, bufsz - pos, \
753 fmt_table, #_memb, \
754 le32_to_cpu(_struct->_memb))
755
iwl_dbgfs_fw_rx_stats_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)756 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
757 char __user *user_buf, size_t count,
758 loff_t *ppos)
759 {
760 struct iwl_mvm *mvm = file->private_data;
761 static const char *fmt_table = "\t%-30s %10u\n";
762 static const char *fmt_header = "%-32s\n";
763 int pos = 0;
764 char *buf;
765 int ret;
766 size_t bufsz;
767 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
768 WIDE_ID(SYSTEM_GROUP,
769 SYSTEM_STATISTICS_CMD),
770 IWL_FW_CMD_VER_UNKNOWN);
771
772 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
773 return -EOPNOTSUPP;
774
775 if (iwl_mvm_has_new_rx_stats_api(mvm))
776 bufsz = ((sizeof(struct mvm_statistics_rx) /
777 sizeof(__le32)) * 43) + (4 * 33) + 1;
778 else
779 /* 43 = size of each data line; 33 = size of each header */
780 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
781 sizeof(__le32)) * 43) + (4 * 33) + 1;
782
783 buf = kzalloc(bufsz, GFP_KERNEL);
784 if (!buf)
785 return -ENOMEM;
786
787 mutex_lock(&mvm->mutex);
788
789 if (iwl_mvm_firmware_running(mvm))
790 iwl_mvm_request_statistics(mvm, false);
791
792 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
793 "Statistics_Rx - OFDM");
794 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
795 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
796
797 PRINT_STATS_LE32(ofdm, ina_cnt);
798 PRINT_STATS_LE32(ofdm, fina_cnt);
799 PRINT_STATS_LE32(ofdm, plcp_err);
800 PRINT_STATS_LE32(ofdm, crc32_err);
801 PRINT_STATS_LE32(ofdm, overrun_err);
802 PRINT_STATS_LE32(ofdm, early_overrun_err);
803 PRINT_STATS_LE32(ofdm, crc32_good);
804 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
805 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
806 PRINT_STATS_LE32(ofdm, sfd_timeout);
807 PRINT_STATS_LE32(ofdm, fina_timeout);
808 PRINT_STATS_LE32(ofdm, unresponded_rts);
809 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
810 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
811 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
812 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
813 PRINT_STATS_LE32(ofdm, dsp_self_kill);
814 PRINT_STATS_LE32(ofdm, mh_format_err);
815 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
816 PRINT_STATS_LE32(ofdm, reserved);
817 } else {
818 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
819
820 PRINT_STATS_LE32(ofdm, unresponded_rts);
821 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
822 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
823 PRINT_STATS_LE32(ofdm, dsp_self_kill);
824 PRINT_STATS_LE32(ofdm, reserved);
825 }
826
827 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
828 "Statistics_Rx - CCK");
829 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
830 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
831
832 PRINT_STATS_LE32(cck, ina_cnt);
833 PRINT_STATS_LE32(cck, fina_cnt);
834 PRINT_STATS_LE32(cck, plcp_err);
835 PRINT_STATS_LE32(cck, crc32_err);
836 PRINT_STATS_LE32(cck, overrun_err);
837 PRINT_STATS_LE32(cck, early_overrun_err);
838 PRINT_STATS_LE32(cck, crc32_good);
839 PRINT_STATS_LE32(cck, false_alarm_cnt);
840 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
841 PRINT_STATS_LE32(cck, sfd_timeout);
842 PRINT_STATS_LE32(cck, fina_timeout);
843 PRINT_STATS_LE32(cck, unresponded_rts);
844 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
845 PRINT_STATS_LE32(cck, sent_ack_cnt);
846 PRINT_STATS_LE32(cck, sent_cts_cnt);
847 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
848 PRINT_STATS_LE32(cck, dsp_self_kill);
849 PRINT_STATS_LE32(cck, mh_format_err);
850 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
851 PRINT_STATS_LE32(cck, reserved);
852 } else {
853 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
854
855 PRINT_STATS_LE32(cck, unresponded_rts);
856 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
857 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
858 PRINT_STATS_LE32(cck, dsp_self_kill);
859 PRINT_STATS_LE32(cck, reserved);
860 }
861
862 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
863 "Statistics_Rx - GENERAL");
864 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
865 struct mvm_statistics_rx_non_phy_v3 *general =
866 &mvm->rx_stats_v3.general;
867
868 PRINT_STATS_LE32(general, bogus_cts);
869 PRINT_STATS_LE32(general, bogus_ack);
870 PRINT_STATS_LE32(general, non_bssid_frames);
871 PRINT_STATS_LE32(general, filtered_frames);
872 PRINT_STATS_LE32(general, non_channel_beacons);
873 PRINT_STATS_LE32(general, channel_beacons);
874 PRINT_STATS_LE32(general, num_missed_bcon);
875 PRINT_STATS_LE32(general, adc_rx_saturation_time);
876 PRINT_STATS_LE32(general, ina_detection_search_time);
877 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
878 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
879 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
880 PRINT_STATS_LE32(general, interference_data_flag);
881 PRINT_STATS_LE32(general, channel_load);
882 PRINT_STATS_LE32(general, dsp_false_alarms);
883 PRINT_STATS_LE32(general, beacon_rssi_a);
884 PRINT_STATS_LE32(general, beacon_rssi_b);
885 PRINT_STATS_LE32(general, beacon_rssi_c);
886 PRINT_STATS_LE32(general, beacon_energy_a);
887 PRINT_STATS_LE32(general, beacon_energy_b);
888 PRINT_STATS_LE32(general, beacon_energy_c);
889 PRINT_STATS_LE32(general, num_bt_kills);
890 PRINT_STATS_LE32(general, mac_id);
891 PRINT_STATS_LE32(general, directed_data_mpdu);
892 } else {
893 struct mvm_statistics_rx_non_phy *general =
894 &mvm->rx_stats.general;
895
896 PRINT_STATS_LE32(general, bogus_cts);
897 PRINT_STATS_LE32(general, bogus_ack);
898 PRINT_STATS_LE32(general, non_channel_beacons);
899 PRINT_STATS_LE32(general, channel_beacons);
900 PRINT_STATS_LE32(general, num_missed_bcon);
901 PRINT_STATS_LE32(general, adc_rx_saturation_time);
902 PRINT_STATS_LE32(general, ina_detection_search_time);
903 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
904 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
905 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
906 PRINT_STATS_LE32(general, interference_data_flag);
907 PRINT_STATS_LE32(general, channel_load);
908 PRINT_STATS_LE32(general, beacon_rssi_a);
909 PRINT_STATS_LE32(general, beacon_rssi_b);
910 PRINT_STATS_LE32(general, beacon_rssi_c);
911 PRINT_STATS_LE32(general, beacon_energy_a);
912 PRINT_STATS_LE32(general, beacon_energy_b);
913 PRINT_STATS_LE32(general, beacon_energy_c);
914 PRINT_STATS_LE32(general, num_bt_kills);
915 PRINT_STATS_LE32(general, mac_id);
916 }
917
918 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
919 "Statistics_Rx - HT");
920 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
921 struct mvm_statistics_rx_ht_phy_v1 *ht =
922 &mvm->rx_stats_v3.ofdm_ht;
923
924 PRINT_STATS_LE32(ht, plcp_err);
925 PRINT_STATS_LE32(ht, overrun_err);
926 PRINT_STATS_LE32(ht, early_overrun_err);
927 PRINT_STATS_LE32(ht, crc32_good);
928 PRINT_STATS_LE32(ht, crc32_err);
929 PRINT_STATS_LE32(ht, mh_format_err);
930 PRINT_STATS_LE32(ht, agg_crc32_good);
931 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
932 PRINT_STATS_LE32(ht, agg_cnt);
933 PRINT_STATS_LE32(ht, unsupport_mcs);
934 } else {
935 struct mvm_statistics_rx_ht_phy *ht =
936 &mvm->rx_stats.ofdm_ht;
937
938 PRINT_STATS_LE32(ht, mh_format_err);
939 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
940 PRINT_STATS_LE32(ht, agg_cnt);
941 PRINT_STATS_LE32(ht, unsupport_mcs);
942 }
943
944 mutex_unlock(&mvm->mutex);
945
946 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
947 kfree(buf);
948
949 return ret;
950 }
951 #undef PRINT_STAT_LE32
952
iwl_dbgfs_fw_system_stats_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)953 static ssize_t iwl_dbgfs_fw_system_stats_read(struct file *file,
954 char __user *user_buf,
955 size_t count, loff_t *ppos)
956 {
957 char *buff, *pos, *endpos;
958 int ret;
959 size_t bufsz;
960 int i;
961 struct iwl_mvm_vif *mvmvif;
962 struct ieee80211_vif *vif;
963 struct iwl_mvm *mvm = file->private_data;
964 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
965 WIDE_ID(SYSTEM_GROUP,
966 SYSTEM_STATISTICS_CMD),
967 IWL_FW_CMD_VER_UNKNOWN);
968
969 /* in case of a wrong cmd version, allocate buffer only for error msg */
970 bufsz = (cmd_ver == 1) ? 4096 : 64;
971
972 buff = kzalloc(bufsz, GFP_KERNEL);
973 if (!buff)
974 return -ENOMEM;
975
976 pos = buff;
977 endpos = pos + bufsz;
978
979 if (cmd_ver != 1) {
980 pos += scnprintf(pos, endpos - pos,
981 "System stats not supported:%d\n", cmd_ver);
982 goto send_out;
983 }
984
985 mutex_lock(&mvm->mutex);
986 if (iwl_mvm_firmware_running(mvm))
987 iwl_mvm_request_statistics(mvm, false);
988
989 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
990 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
991 if (!vif)
992 continue;
993
994 if (vif->type == NL80211_IFTYPE_STATION)
995 break;
996 }
997
998 if (i == NUM_MAC_INDEX_DRIVER || !vif) {
999 pos += scnprintf(pos, endpos - pos, "vif is NULL\n");
1000 goto release_send_out;
1001 }
1002
1003 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1004 if (!mvmvif) {
1005 pos += scnprintf(pos, endpos - pos, "mvmvif is NULL\n");
1006 goto release_send_out;
1007 }
1008
1009 for_each_mvm_vif_valid_link(mvmvif, i) {
1010 struct iwl_mvm_vif_link_info *link_info = mvmvif->link[i];
1011
1012 pos += scnprintf(pos, endpos - pos,
1013 "link_id %d", i);
1014 pos += scnprintf(pos, endpos - pos,
1015 " num_beacons %d",
1016 link_info->beacon_stats.num_beacons);
1017 pos += scnprintf(pos, endpos - pos,
1018 " accu_num_beacons %d",
1019 link_info->beacon_stats.accu_num_beacons);
1020 pos += scnprintf(pos, endpos - pos,
1021 " avg_signal %d\n",
1022 link_info->beacon_stats.avg_signal);
1023 }
1024
1025 pos += scnprintf(pos, endpos - pos,
1026 "radio_stats.rx_time %lld\n",
1027 mvm->radio_stats.rx_time);
1028 pos += scnprintf(pos, endpos - pos,
1029 "radio_stats.tx_time %lld\n",
1030 mvm->radio_stats.tx_time);
1031 pos += scnprintf(pos, endpos - pos,
1032 "accu_radio_stats.rx_time %lld\n",
1033 mvm->accu_radio_stats.rx_time);
1034 pos += scnprintf(pos, endpos - pos,
1035 "accu_radio_stats.tx_time %lld\n",
1036 mvm->accu_radio_stats.tx_time);
1037
1038 release_send_out:
1039 mutex_unlock(&mvm->mutex);
1040
1041 send_out:
1042 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1043 kfree(buff);
1044
1045 return ret;
1046 }
1047
iwl_dbgfs_frame_stats_read(struct iwl_mvm * mvm,char __user * user_buf,size_t count,loff_t * ppos,struct iwl_mvm_frame_stats * stats)1048 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
1049 char __user *user_buf, size_t count,
1050 loff_t *ppos,
1051 struct iwl_mvm_frame_stats *stats)
1052 {
1053 char *buff, *pos, *endpos;
1054 int idx, i;
1055 int ret;
1056 static const size_t bufsz = 1024;
1057
1058 buff = kmalloc(bufsz, GFP_KERNEL);
1059 if (!buff)
1060 return -ENOMEM;
1061
1062 spin_lock_bh(&mvm->drv_stats_lock);
1063
1064 pos = buff;
1065 endpos = pos + bufsz;
1066
1067 pos += scnprintf(pos, endpos - pos,
1068 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
1069 stats->legacy_frames,
1070 stats->ht_frames,
1071 stats->vht_frames);
1072 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
1073 stats->bw_20_frames,
1074 stats->bw_40_frames,
1075 stats->bw_80_frames);
1076 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
1077 stats->ngi_frames,
1078 stats->sgi_frames);
1079 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
1080 stats->siso_frames,
1081 stats->mimo2_frames);
1082 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
1083 stats->fail_frames,
1084 stats->success_frames);
1085 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
1086 stats->agg_frames);
1087 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
1088 stats->ampdu_count);
1089 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
1090 stats->ampdu_count > 0 ?
1091 (stats->agg_frames / stats->ampdu_count) : 0);
1092
1093 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
1094
1095 idx = stats->last_frame_idx - 1;
1096 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
1097 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
1098 if (stats->last_rates[idx] == 0)
1099 continue;
1100 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
1101 (int)(ARRAY_SIZE(stats->last_rates) - i));
1102 pos += rs_pretty_print_rate_v1(pos, endpos - pos,
1103 stats->last_rates[idx]);
1104 if (pos < endpos - 1)
1105 *pos++ = '\n';
1106 }
1107 spin_unlock_bh(&mvm->drv_stats_lock);
1108
1109 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1110 kfree(buff);
1111
1112 return ret;
1113 }
1114
iwl_dbgfs_drv_rx_stats_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1115 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1116 char __user *user_buf, size_t count,
1117 loff_t *ppos)
1118 {
1119 struct iwl_mvm *mvm = file->private_data;
1120
1121 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1122 &mvm->drv_rx_stats);
1123 }
1124
iwl_dbgfs_fw_restart_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1125 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1126 size_t count, loff_t *ppos)
1127 {
1128 int __maybe_unused ret;
1129
1130 if (!iwl_mvm_firmware_running(mvm))
1131 return -EIO;
1132
1133 mutex_lock(&mvm->mutex);
1134
1135 if (count == 6 && !strcmp(buf, "nolog\n")) {
1136 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1137 set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status);
1138 }
1139
1140 /* take the return value to make compiler happy - it will fail anyway */
1141 ret = iwl_mvm_send_cmd_pdu(mvm,
1142 WIDE_ID(LONG_GROUP, REPLY_ERROR),
1143 0, 0, NULL);
1144
1145 mutex_unlock(&mvm->mutex);
1146
1147 return count;
1148 }
1149
iwl_dbgfs_fw_nmi_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1150 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1151 size_t count, loff_t *ppos)
1152 {
1153 if (!iwl_mvm_firmware_running(mvm))
1154 return -EIO;
1155
1156 IWL_ERR(mvm, "Triggering an NMI from debugfs\n");
1157
1158 if (count == 6 && !strcmp(buf, "nolog\n"))
1159 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1160
1161 iwl_force_nmi(mvm->trans);
1162
1163 return count;
1164 }
1165
1166 static ssize_t
iwl_dbgfs_scan_ant_rxchain_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1167 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1168 char __user *user_buf,
1169 size_t count, loff_t *ppos)
1170 {
1171 struct iwl_mvm *mvm = file->private_data;
1172 int pos = 0;
1173 char buf[32];
1174 const size_t bufsz = sizeof(buf);
1175
1176 /* print which antennas were set for the scan command by the user */
1177 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1178 if (mvm->scan_rx_ant & ANT_A)
1179 pos += scnprintf(buf + pos, bufsz - pos, "A");
1180 if (mvm->scan_rx_ant & ANT_B)
1181 pos += scnprintf(buf + pos, bufsz - pos, "B");
1182 pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant);
1183
1184 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1185 }
1186
1187 static ssize_t
iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1188 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1189 size_t count, loff_t *ppos)
1190 {
1191 u8 scan_rx_ant;
1192
1193 if (!iwl_mvm_firmware_running(mvm))
1194 return -EIO;
1195
1196 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1197 return -EINVAL;
1198 if (scan_rx_ant > ANT_ABC)
1199 return -EINVAL;
1200 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1201 return -EINVAL;
1202
1203 if (mvm->scan_rx_ant != scan_rx_ant) {
1204 mvm->scan_rx_ant = scan_rx_ant;
1205 if (fw_has_capa(&mvm->fw->ucode_capa,
1206 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1207 iwl_mvm_config_scan(mvm);
1208 }
1209
1210 return count;
1211 }
1212
iwl_dbgfs_indirection_tbl_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1213 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1214 char *buf, size_t count,
1215 loff_t *ppos)
1216 {
1217 struct iwl_rss_config_cmd cmd = {
1218 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1219 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1220 IWL_RSS_HASH_TYPE_IPV4_UDP |
1221 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1222 IWL_RSS_HASH_TYPE_IPV6_TCP |
1223 IWL_RSS_HASH_TYPE_IPV6_UDP |
1224 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1225 };
1226 int ret, i, num_repeats, nbytes = count / 2;
1227
1228 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1229 if (ret)
1230 return ret;
1231
1232 /*
1233 * The input is the redirection table, partial or full.
1234 * Repeat the pattern if needed.
1235 * For example, input of 01020F will be repeated 42 times,
1236 * indirecting RSS hash results to queues 1, 2, 15 (skipping
1237 * queues 3 - 14).
1238 */
1239 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1240 for (i = 1; i < num_repeats; i++)
1241 memcpy(&cmd.indirection_table[i * nbytes],
1242 cmd.indirection_table, nbytes);
1243 /* handle cut in the middle pattern for the last places */
1244 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1245 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1246
1247 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1248
1249 mutex_lock(&mvm->mutex);
1250 if (iwl_mvm_firmware_running(mvm))
1251 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1252 sizeof(cmd), &cmd);
1253 else
1254 ret = 0;
1255 mutex_unlock(&mvm->mutex);
1256
1257 return ret ?: count;
1258 }
1259
iwl_dbgfs_inject_packet_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1260 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1261 char *buf, size_t count,
1262 loff_t *ppos)
1263 {
1264 struct iwl_op_mode *opmode = container_of((void *)mvm,
1265 struct iwl_op_mode,
1266 op_mode_specific);
1267 struct iwl_rx_cmd_buffer rxb = {
1268 ._rx_page_order = 0,
1269 .truesize = 0, /* not used */
1270 ._offset = 0,
1271 };
1272 struct iwl_rx_packet *pkt;
1273 int bin_len = count / 2;
1274 int ret = -EINVAL;
1275
1276 if (!iwl_mvm_firmware_running(mvm))
1277 return -EIO;
1278
1279 /* supporting only MQ RX */
1280 if (!mvm->trans->trans_cfg->mq_rx_supported)
1281 return -EOPNOTSUPP;
1282
1283 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1284 if (!rxb._page)
1285 return -ENOMEM;
1286 pkt = rxb_addr(&rxb);
1287
1288 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1289 if (ret)
1290 goto out;
1291
1292 /* avoid invalid memory access and malformed packet */
1293 if (bin_len < sizeof(*pkt) ||
1294 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1295 goto out;
1296
1297 local_bh_disable();
1298 iwl_mvm_rx_mq(opmode, NULL, &rxb);
1299 local_bh_enable();
1300 ret = 0;
1301
1302 out:
1303 iwl_free_rxb(&rxb);
1304
1305 return ret ?: count;
1306 }
1307
_iwl_dbgfs_inject_beacon_ie(struct iwl_mvm * mvm,char * bin,int len)1308 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1309 {
1310 struct ieee80211_vif *vif;
1311 struct iwl_mvm_vif *mvmvif;
1312 struct sk_buff *beacon;
1313 struct ieee80211_tx_info *info;
1314 struct iwl_mac_beacon_cmd beacon_cmd = {};
1315 unsigned int link_id;
1316 u8 rate;
1317 int i;
1318
1319 len /= 2;
1320
1321 /* Element len should be represented by u8 */
1322 if (len >= U8_MAX)
1323 return -EINVAL;
1324
1325 if (!iwl_mvm_firmware_running(mvm))
1326 return -EIO;
1327
1328 if (!iwl_mvm_has_new_tx_api(mvm) &&
1329 !fw_has_api(&mvm->fw->ucode_capa,
1330 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1331 return -EINVAL;
1332
1333 mutex_lock(&mvm->mutex);
1334
1335 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1336 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1337 if (!vif)
1338 continue;
1339
1340 if (vif->type == NL80211_IFTYPE_AP)
1341 break;
1342 }
1343
1344 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1345 goto out_err;
1346
1347 mvm->hw->extra_beacon_tailroom = len;
1348
1349 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0);
1350 if (!beacon)
1351 goto out_err;
1352
1353 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1354 dev_kfree_skb(beacon);
1355 goto out_err;
1356 }
1357
1358 mvm->beacon_inject_active = true;
1359
1360 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1361 info = IEEE80211_SKB_CB(beacon);
1362 rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif);
1363
1364 for_each_mvm_vif_valid_link(mvmvif, link_id) {
1365 beacon_cmd.flags =
1366 cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw,
1367 rate));
1368 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1369 if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12)
1370 beacon_cmd.link_id =
1371 cpu_to_le32(mvmvif->link[link_id]->fw_link_id);
1372 else
1373 beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id);
1374
1375 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1376 &beacon_cmd.tim_size,
1377 beacon->data, beacon->len);
1378
1379 if (iwl_fw_lookup_cmd_ver(mvm->fw,
1380 BEACON_TEMPLATE_CMD, 0) >= 14) {
1381 u32 offset = iwl_find_ie_offset(beacon->data,
1382 WLAN_EID_S1G_TWT,
1383 beacon->len);
1384
1385 beacon_cmd.btwt_offset = cpu_to_le32(offset);
1386 }
1387
1388 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1389 sizeof(beacon_cmd));
1390 }
1391 mutex_unlock(&mvm->mutex);
1392
1393 dev_kfree_skb(beacon);
1394
1395 return 0;
1396
1397 out_err:
1398 mutex_unlock(&mvm->mutex);
1399 return -EINVAL;
1400 }
1401
iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1402 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1403 char *buf, size_t count,
1404 loff_t *ppos)
1405 {
1406 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1407
1408 mvm->hw->extra_beacon_tailroom = 0;
1409 return ret ?: count;
1410 }
1411
iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1412 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1413 char *buf,
1414 size_t count,
1415 loff_t *ppos)
1416 {
1417 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1418
1419 mvm->hw->extra_beacon_tailroom = 0;
1420 mvm->beacon_inject_active = false;
1421 return ret ?: count;
1422 }
1423
iwl_dbgfs_fw_dbg_conf_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1424 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1425 char __user *user_buf,
1426 size_t count, loff_t *ppos)
1427 {
1428 struct iwl_mvm *mvm = file->private_data;
1429 int conf;
1430 char buf[8];
1431 const size_t bufsz = sizeof(buf);
1432 int pos = 0;
1433
1434 mutex_lock(&mvm->mutex);
1435 conf = mvm->fwrt.dump.conf;
1436 mutex_unlock(&mvm->mutex);
1437
1438 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1439
1440 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1441 }
1442
iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1443 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1444 char *buf, size_t count,
1445 loff_t *ppos)
1446 {
1447 unsigned int conf_id;
1448 int ret;
1449
1450 if (!iwl_mvm_firmware_running(mvm))
1451 return -EIO;
1452
1453 ret = kstrtouint(buf, 0, &conf_id);
1454 if (ret)
1455 return ret;
1456
1457 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1458 return -EINVAL;
1459
1460 mutex_lock(&mvm->mutex);
1461 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1462 mutex_unlock(&mvm->mutex);
1463
1464 return ret ?: count;
1465 }
1466
iwl_dbgfs_fw_dbg_clear_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1467 static ssize_t iwl_dbgfs_fw_dbg_clear_write(struct iwl_mvm *mvm,
1468 char *buf, size_t count,
1469 loff_t *ppos)
1470 {
1471 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
1472 return -EOPNOTSUPP;
1473
1474 /*
1475 * If the firmware is not running, silently succeed since there is
1476 * no data to clear.
1477 */
1478 if (!iwl_mvm_firmware_running(mvm))
1479 return count;
1480
1481 mutex_lock(&mvm->mutex);
1482 iwl_fw_dbg_clear_monitor_buf(&mvm->fwrt);
1483 mutex_unlock(&mvm->mutex);
1484
1485 return count;
1486 }
1487
iwl_dbgfs_dbg_time_point_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1488 static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1489 char *buf, size_t count,
1490 loff_t *ppos)
1491 {
1492 u32 timepoint;
1493
1494 if (kstrtou32(buf, 0, &timepoint))
1495 return -EINVAL;
1496
1497 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1498 timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1499 return -EINVAL;
1500
1501 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1502
1503 return count;
1504 }
1505
1506 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1507 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1508 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1509 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1510 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1511 debugfs_create_file(alias, mode, parent, mvm, \
1512 &iwl_dbgfs_##name##_ops); \
1513 } while (0)
1514 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1515 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1516
1517 static ssize_t
_iwl_dbgfs_link_sta_wrap_write(ssize_t (* real)(struct ieee80211_link_sta *,struct iwl_mvm_sta *,struct iwl_mvm *,struct iwl_mvm_link_sta *,char *,size_t,loff_t *),struct file * file,char * buf,size_t buf_size,loff_t * ppos)1518 _iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *,
1519 struct iwl_mvm_sta *,
1520 struct iwl_mvm *,
1521 struct iwl_mvm_link_sta *,
1522 char *,
1523 size_t, loff_t *),
1524 struct file *file,
1525 char *buf, size_t buf_size, loff_t *ppos)
1526 {
1527 struct ieee80211_link_sta *link_sta = file->private_data;
1528 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1529 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1530 struct iwl_mvm_link_sta *mvm_link_sta;
1531 ssize_t ret;
1532
1533 mutex_lock(&mvm->mutex);
1534
1535 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1536 lockdep_is_held(&mvm->mutex));
1537 if (WARN_ON(!mvm_link_sta)) {
1538 mutex_unlock(&mvm->mutex);
1539 return -ENODEV;
1540 }
1541
1542 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos);
1543
1544 mutex_unlock(&mvm->mutex);
1545
1546 return ret;
1547 }
1548
1549 static ssize_t
_iwl_dbgfs_link_sta_wrap_read(ssize_t (* real)(struct ieee80211_link_sta *,struct iwl_mvm_sta *,struct iwl_mvm *,struct iwl_mvm_link_sta *,char __user *,size_t,loff_t *),struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1550 _iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *,
1551 struct iwl_mvm_sta *,
1552 struct iwl_mvm *,
1553 struct iwl_mvm_link_sta *,
1554 char __user *,
1555 size_t, loff_t *),
1556 struct file *file,
1557 char __user *user_buf, size_t count, loff_t *ppos)
1558 {
1559 struct ieee80211_link_sta *link_sta = file->private_data;
1560 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1561 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1562 struct iwl_mvm_link_sta *mvm_link_sta;
1563 ssize_t ret;
1564
1565 mutex_lock(&mvm->mutex);
1566
1567 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1568 lockdep_is_held(&mvm->mutex));
1569 if (WARN_ON(!mvm_link_sta)) {
1570 mutex_unlock(&mvm->mutex);
1571 return -ENODEV;
1572 }
1573
1574 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos);
1575
1576 mutex_unlock(&mvm->mutex);
1577
1578 return ret;
1579 }
1580
1581 #define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen) \
1582 static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file, \
1583 const char __user *user_buf, \
1584 size_t count, loff_t *ppos) \
1585 { \
1586 char buf[buflen] = {}; \
1587 size_t buf_size = min(count, sizeof(buf) - 1); \
1588 \
1589 if (copy_from_user(buf, user_buf, buf_size)) \
1590 return -EFAULT; \
1591 \
1592 return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \
1593 file, \
1594 buf, buf_size, ppos); \
1595 } \
1596
1597 #define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1598 static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file, \
1599 char __user *user_buf, \
1600 size_t count, loff_t *ppos) \
1601 { \
1602 return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read, \
1603 file, \
1604 user_buf, count, ppos); \
1605 } \
1606
1607 #define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
1608 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
1609 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1610 .write = _iwl_dbgfs_link_sta_##name##_write, \
1611 .open = simple_open, \
1612 .llseek = generic_file_llseek, \
1613 }
1614
1615 #define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name) \
1616 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1617 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1618 .read = _iwl_dbgfs_link_sta_##name##_read, \
1619 .open = simple_open, \
1620 .llseek = generic_file_llseek, \
1621 }
1622
1623 #define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
1624 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1625 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
1626 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1627 .read = _iwl_dbgfs_link_sta_##name##_read, \
1628 .write = _iwl_dbgfs_link_sta_##name##_write, \
1629 .open = simple_open, \
1630 .llseek = generic_file_llseek, \
1631 }
1632
1633 #define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode) \
1634 debugfs_create_file(alias, mode, parent, link_sta, \
1635 &iwl_dbgfs_link_sta_##name##_ops)
1636 #define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \
1637 MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode)
1638
1639 static ssize_t
iwl_dbgfs_prph_reg_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1640 iwl_dbgfs_prph_reg_read(struct file *file,
1641 char __user *user_buf,
1642 size_t count, loff_t *ppos)
1643 {
1644 struct iwl_mvm *mvm = file->private_data;
1645 int pos = 0;
1646 char buf[32];
1647 const size_t bufsz = sizeof(buf);
1648
1649 if (!mvm->dbgfs_prph_reg_addr)
1650 return -EINVAL;
1651
1652 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1653 mvm->dbgfs_prph_reg_addr,
1654 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1655
1656 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1657 }
1658
1659 static ssize_t
iwl_dbgfs_prph_reg_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1660 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1661 size_t count, loff_t *ppos)
1662 {
1663 u8 args;
1664 u32 value;
1665
1666 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1667 /* if we only want to set the reg address - nothing more to do */
1668 if (args == 1)
1669 goto out;
1670
1671 /* otherwise, make sure we have both address and value */
1672 if (args != 2)
1673 return -EINVAL;
1674
1675 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1676
1677 out:
1678 return count;
1679 }
1680
1681 static ssize_t
iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1682 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1683 size_t count, loff_t *ppos)
1684 {
1685 int ret;
1686
1687 if (!iwl_mvm_firmware_running(mvm))
1688 return -EIO;
1689
1690 mutex_lock(&mvm->mutex);
1691 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1692 mutex_unlock(&mvm->mutex);
1693
1694 return ret ?: count;
1695 }
1696
1697 struct iwl_mvm_sniffer_apply {
1698 struct iwl_mvm *mvm;
1699 u8 *bssid;
1700 u16 aid;
1701 };
1702
iwl_mvm_sniffer_apply(struct iwl_notif_wait_data * notif_data,struct iwl_rx_packet * pkt,void * data)1703 static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1704 struct iwl_rx_packet *pkt, void *data)
1705 {
1706 struct iwl_mvm_sniffer_apply *apply = data;
1707
1708 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1709 memcpy(apply->mvm->cur_bssid, apply->bssid,
1710 sizeof(apply->mvm->cur_bssid));
1711
1712 return true;
1713 }
1714
1715 static ssize_t
iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1716 iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1717 size_t count, loff_t *ppos)
1718 {
1719 struct iwl_notification_wait wait;
1720 struct iwl_he_monitor_cmd he_mon_cmd = {};
1721 struct iwl_mvm_sniffer_apply apply = {
1722 .mvm = mvm,
1723 };
1724 u16 wait_cmds[] = {
1725 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1726 };
1727 u32 aid;
1728 int ret;
1729
1730 if (!iwl_mvm_firmware_running(mvm))
1731 return -EIO;
1732
1733 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1734 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1735 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1736 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1737 if (ret != 7)
1738 return -EINVAL;
1739
1740 he_mon_cmd.aid = cpu_to_le16(aid);
1741
1742 apply.aid = aid;
1743 apply.bssid = (void *)he_mon_cmd.bssid;
1744
1745 mutex_lock(&mvm->mutex);
1746
1747 /*
1748 * Use the notification waiter to get our function triggered
1749 * in sequence with other RX. This ensures that frames we get
1750 * on the RX queue _before_ the new configuration is applied
1751 * still have mvm->cur_aid pointing to the old AID, and that
1752 * frames on the RX queue _after_ the firmware processed the
1753 * new configuration (and sent the response, synchronously)
1754 * get mvm->cur_aid correctly set to the new AID.
1755 */
1756 iwl_init_notification_wait(&mvm->notif_wait, &wait,
1757 wait_cmds, ARRAY_SIZE(wait_cmds),
1758 iwl_mvm_sniffer_apply, &apply);
1759
1760 ret = iwl_mvm_send_cmd_pdu(mvm,
1761 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1762 0,
1763 sizeof(he_mon_cmd), &he_mon_cmd);
1764
1765 /* no need to really wait, we already did anyway */
1766 iwl_remove_notification(&mvm->notif_wait, &wait);
1767
1768 mutex_unlock(&mvm->mutex);
1769
1770 return ret ?: count;
1771 }
1772
1773 static ssize_t
iwl_dbgfs_he_sniffer_params_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1774 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1775 size_t count, loff_t *ppos)
1776 {
1777 struct iwl_mvm *mvm = file->private_data;
1778 u8 buf[32];
1779 int len;
1780
1781 len = scnprintf(buf, sizeof(buf),
1782 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1783 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1784 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1785 mvm->cur_bssid[4], mvm->cur_bssid[5]);
1786
1787 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1788 }
1789
1790 static ssize_t
iwl_dbgfs_uapsd_noagg_bssids_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1791 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1792 size_t count, loff_t *ppos)
1793 {
1794 struct iwl_mvm *mvm = file->private_data;
1795 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1796 unsigned int pos = 0;
1797 size_t bufsz = sizeof(buf);
1798 int i;
1799
1800 mutex_lock(&mvm->mutex);
1801
1802 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1803 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1804 mvm->uapsd_noagg_bssids[i].addr);
1805
1806 mutex_unlock(&mvm->mutex);
1807
1808 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1809 }
1810
1811 static ssize_t
iwl_dbgfs_ltr_config_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1812 iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1813 char *buf, size_t count, loff_t *ppos)
1814 {
1815 int ret;
1816 struct iwl_ltr_config_cmd ltr_config = {0};
1817
1818 if (!iwl_mvm_firmware_running(mvm))
1819 return -EIO;
1820
1821 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1822 <r_config.flags,
1823 <r_config.static_long,
1824 <r_config.static_short,
1825 <r_config.ltr_cfg_values[0],
1826 <r_config.ltr_cfg_values[1],
1827 <r_config.ltr_cfg_values[2],
1828 <r_config.ltr_cfg_values[3]) != 7) {
1829 return -EINVAL;
1830 }
1831
1832 mutex_lock(&mvm->mutex);
1833 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1834 <r_config);
1835 mutex_unlock(&mvm->mutex);
1836
1837 if (ret)
1838 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1839
1840 return ret ?: count;
1841 }
1842
iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1843 static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
1844 size_t count, loff_t *ppos)
1845 {
1846 int ret = 0;
1847 u16 op_id;
1848
1849 if (kstrtou16(buf, 10, &op_id))
1850 return -EINVAL;
1851
1852 /* value zero triggers re-sending the default table to the device */
1853 if (!op_id) {
1854 mutex_lock(&mvm->mutex);
1855 ret = iwl_rfi_send_config_cmd(mvm, NULL);
1856 mutex_unlock(&mvm->mutex);
1857 } else {
1858 ret = -EOPNOTSUPP; /* in the future a new table will be added */
1859 }
1860
1861 return ret ?: count;
1862 }
1863
1864 /* The size computation is as follows:
1865 * each number needs at most 3 characters, number of rows is the size of
1866 * the table; So, need 5 chars for the "freq: " part and each tuple afterwards
1867 * needs 6 characters for numbers and 5 for the punctuation around.
1868 */
1869 #define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
1870 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
1871
iwl_dbgfs_rfi_freq_table_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1872 static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
1873 char __user *user_buf,
1874 size_t count, loff_t *ppos)
1875 {
1876 struct iwl_mvm *mvm = file->private_data;
1877 struct iwl_rfi_freq_table_resp_cmd *resp;
1878 u32 status;
1879 char buf[IWL_RFI_BUF_SIZE];
1880 int i, j, pos = 0;
1881
1882 resp = iwl_rfi_get_freq_table(mvm);
1883 if (IS_ERR(resp))
1884 return PTR_ERR(resp);
1885
1886 status = le32_to_cpu(resp->status);
1887 if (status != RFI_FREQ_TABLE_OK) {
1888 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
1889 goto out;
1890 }
1891
1892 for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
1893 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
1894 resp->table[i].freq);
1895
1896 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
1897 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
1898 "(%d, %d) ",
1899 resp->table[i].channels[j],
1900 resp->table[i].bands[j]);
1901 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
1902 }
1903
1904 out:
1905 kfree(resp);
1906 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1907 }
1908
1909 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1910
1911 /* Device wide debugfs entries */
1912 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1913 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1914 MVM_DEBUGFS_WRITE_FILE_OPS(start_ctdp, 8);
1915 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1916 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1917 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1918 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1919 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1920 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1921 MVM_DEBUGFS_READ_FILE_OPS(stations);
1922 MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data);
1923 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1924 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1925 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1926 MVM_DEBUGFS_READ_FILE_OPS(fw_system_stats);
1927 MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
1928 MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
1929 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1930 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1931 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1932 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1933 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_clear, 64);
1934 MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
1935 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1936 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1937 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1938 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1939 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1940
1941 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1942
1943 #ifdef CONFIG_ACPI
1944 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1945 MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable);
1946 #endif
1947
1948 MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16);
1949
1950 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1951
1952 MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1953 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
1954
iwl_dbgfs_mem_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1955 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1956 size_t count, loff_t *ppos)
1957 {
1958 struct iwl_mvm *mvm = file->private_data;
1959 struct iwl_dbg_mem_access_cmd cmd = {};
1960 struct iwl_dbg_mem_access_rsp *rsp;
1961 struct iwl_host_cmd hcmd = {
1962 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1963 .data = { &cmd, },
1964 .len = { sizeof(cmd) },
1965 };
1966 size_t delta;
1967 ssize_t ret, len;
1968
1969 if (!iwl_mvm_firmware_running(mvm))
1970 return -EIO;
1971
1972 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
1973 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1974
1975 /* Take care of alignment of both the position and the length */
1976 delta = *ppos & 0x3;
1977 cmd.addr = cpu_to_le32(*ppos - delta);
1978 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1979 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1980
1981 mutex_lock(&mvm->mutex);
1982 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1983 mutex_unlock(&mvm->mutex);
1984
1985 if (ret < 0)
1986 return ret;
1987
1988 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
1989 ret = -EIO;
1990 goto out;
1991 }
1992
1993 rsp = (void *)hcmd.resp_pkt->data;
1994 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1995 ret = -ENXIO;
1996 goto out;
1997 }
1998
1999 len = min((size_t)le32_to_cpu(rsp->len) << 2,
2000 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
2001 len = min(len - delta, count);
2002 if (len < 0) {
2003 ret = -EFAULT;
2004 goto out;
2005 }
2006
2007 ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len);
2008 *ppos += ret;
2009
2010 out:
2011 iwl_free_resp(&hcmd);
2012 return ret;
2013 }
2014
iwl_dbgfs_mem_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)2015 static ssize_t iwl_dbgfs_mem_write(struct file *file,
2016 const char __user *user_buf, size_t count,
2017 loff_t *ppos)
2018 {
2019 struct iwl_mvm *mvm = file->private_data;
2020 struct iwl_dbg_mem_access_cmd *cmd;
2021 struct iwl_dbg_mem_access_rsp *rsp;
2022 struct iwl_host_cmd hcmd = {};
2023 size_t cmd_size;
2024 size_t data_size;
2025 u32 op, len;
2026 ssize_t ret;
2027
2028 if (!iwl_mvm_firmware_running(mvm))
2029 return -EIO;
2030
2031 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
2032
2033 if (*ppos & 0x3 || count < 4) {
2034 op = DEBUG_MEM_OP_WRITE_BYTES;
2035 len = min(count, (size_t)(4 - (*ppos & 0x3)));
2036 data_size = len;
2037 } else {
2038 op = DEBUG_MEM_OP_WRITE;
2039 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
2040 data_size = len << 2;
2041 }
2042
2043 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
2044 cmd = kzalloc(cmd_size, GFP_KERNEL);
2045 if (!cmd)
2046 return -ENOMEM;
2047
2048 cmd->op = cpu_to_le32(op);
2049 cmd->len = cpu_to_le32(len);
2050 cmd->addr = cpu_to_le32(*ppos);
2051 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
2052 kfree(cmd);
2053 return -EFAULT;
2054 }
2055
2056 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2057 hcmd.data[0] = (void *)cmd;
2058 hcmd.len[0] = cmd_size;
2059
2060 mutex_lock(&mvm->mutex);
2061 ret = iwl_mvm_send_cmd(mvm, &hcmd);
2062 mutex_unlock(&mvm->mutex);
2063
2064 kfree(cmd);
2065
2066 if (ret < 0)
2067 return ret;
2068
2069 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
2070 ret = -EIO;
2071 goto out;
2072 }
2073
2074 rsp = (void *)hcmd.resp_pkt->data;
2075 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2076 ret = -ENXIO;
2077 goto out;
2078 }
2079
2080 ret = data_size;
2081 *ppos += ret;
2082
2083 out:
2084 iwl_free_resp(&hcmd);
2085 return ret;
2086 }
2087
2088 static const struct file_operations iwl_dbgfs_mem_ops = {
2089 .read = iwl_dbgfs_mem_read,
2090 .write = iwl_dbgfs_mem_write,
2091 .open = simple_open,
2092 .llseek = default_llseek,
2093 };
2094
iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta,struct dentry * dir)2095 void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw,
2096 struct ieee80211_vif *vif,
2097 struct ieee80211_link_sta *link_sta,
2098 struct dentry *dir)
2099 {
2100 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2101
2102 if (iwl_mvm_has_tlc_offload(mvm)) {
2103 MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400);
2104 }
2105
2106 MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600);
2107 }
2108
iwl_mvm_dbgfs_register(struct iwl_mvm * mvm)2109 void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
2110 {
2111 struct dentry *bcast_dir __maybe_unused;
2112
2113 spin_lock_init(&mvm->drv_stats_lock);
2114
2115 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2116 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2117 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2118 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
2119 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
2120 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
2121 MVM_DEBUGFS_ADD_FILE(start_ctdp, mvm->debugfs_dir, 0200);
2122 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
2123 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
2124 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2125 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2126 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2127 MVM_DEBUGFS_ADD_FILE(fw_system_stats, mvm->debugfs_dir, 0400);
2128 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2129 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2130 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2131 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2132 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2133 MVM_DEBUGFS_ADD_FILE(fw_dbg_clear, mvm->debugfs_dir, 0200);
2134 MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
2135 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2136 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2137 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2138 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2139 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2140 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
2141
2142 if (mvm->fw->phy_integration_ver)
2143 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
2144 MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
2145 #ifdef CONFIG_ACPI
2146 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
2147 MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400);
2148 #endif
2149 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2150
2151 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2152 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2153
2154 debugfs_create_bool("enable_scan_iteration_notif", 0600,
2155 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2156 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2157 &mvm->drop_bcn_ap_mode);
2158
2159 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2160
2161 #ifdef CONFIG_PM_SLEEP
2162 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2163 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2164 &mvm->d3_wake_sysassert);
2165 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2166 &mvm->last_netdetect_scans);
2167 #endif
2168
2169 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2170 &mvm->ps_disabled);
2171 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2172 &mvm->nvm_hw_blob);
2173 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2174 &mvm->nvm_sw_blob);
2175 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2176 &mvm->nvm_calib_blob);
2177 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2178 &mvm->nvm_prod_blob);
2179 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2180 &mvm->nvm_phy_sku_blob);
2181 debugfs_create_blob("nvm_reg", S_IRUSR,
2182 mvm->debugfs_dir, &mvm->nvm_reg_blob);
2183
2184 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
2185 &iwl_dbgfs_mem_ops);
2186
2187 debugfs_create_bool("rx_ts_ptp", 0600, mvm->debugfs_dir,
2188 &mvm->rx_ts_ptp);
2189
2190 /*
2191 * Create a symlink with mac80211. It will be removed when mac80211
2192 * exists (before the opmode exists which removes the target.)
2193 */
2194 if (!IS_ERR(mvm->debugfs_dir)) {
2195 char buf[100];
2196
2197 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
2198 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir,
2199 buf);
2200 }
2201 }
2202