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 "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_mvm_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 };
556 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
557 [TAS_DYNA_INACTIVE] = "INACTIVE",
558 [TAS_DYNA_INACTIVE_MVM_MODE] =
559 "inactive due to mvm mode",
560 [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
561 "inactive due to trigger mode",
562 [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
563 "inactive due to block listed",
564 [TAS_DYNA_INACTIVE_UHB_NON_US] =
565 "inactive due to uhb non US",
566 [TAS_DYNA_ACTIVE] = "ACTIVE",
567 };
568 struct iwl_host_cmd hcmd = {
569 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
570 .flags = CMD_WANT_SKB,
571 .len = { 0, },
572 .data = { NULL, },
573 };
574 int ret, i, tmp;
575 bool tas_enabled = false;
576 unsigned long dyn_status;
577
578 if (!iwl_mvm_firmware_running(mvm))
579 return -ENODEV;
580
581 if (iwl_fw_lookup_notif_ver(mvm->fw, DEBUG_GROUP, GET_TAS_STATUS,
582 0) != 3)
583 return -EOPNOTSUPP;
584
585 mutex_lock(&mvm->mutex);
586 ret = iwl_mvm_send_cmd(mvm, &hcmd);
587 mutex_unlock(&mvm->mutex);
588 if (ret < 0)
589 return ret;
590
591 buff = kzalloc(bufsz, GFP_KERNEL);
592 if (!buff)
593 return -ENOMEM;
594 pos = buff;
595 endpos = pos + bufsz;
596
597 rsp = (void *)hcmd.resp_pkt->data;
598
599 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
600 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
601 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
602 rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
603 pos += scnprintf(pos, endpos - pos, "\tON for ");
604 switch (rsp->tas_status_mac[i].band) {
605 case TAS_LMAC_BAND_HB:
606 pos += scnprintf(pos, endpos - pos, "HB\n");
607 break;
608 case TAS_LMAC_BAND_LB:
609 pos += scnprintf(pos, endpos - pos, "LB\n");
610 break;
611 case TAS_LMAC_BAND_UHB:
612 pos += scnprintf(pos, endpos - pos, "UHB\n");
613 break;
614 case TAS_LMAC_BAND_INVALID:
615 pos += scnprintf(pos, endpos - pos,
616 "INVALID BAND\n");
617 break;
618 default:
619 pos += scnprintf(pos, endpos - pos,
620 "Unsupported band (%d)\n",
621 rsp->tas_status_mac[i].band);
622 goto out;
623 }
624 tas_enabled = true;
625 }
626 }
627 if (!tas_enabled)
628 pos += scnprintf(pos, endpos - pos, "\tOFF\n");
629
630 pos += scnprintf(pos, endpos - pos, "TAS Report\n");
631 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
632 rsp->tas_fw_version);
633 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
634 rsp->is_uhb_for_usa_enable ? "True" : "False");
635
636 if (fw_has_capa(&mvm->fw->ucode_capa,
637 IWL_UCODE_TLV_CAPA_UHB_CANADA_TAS_SUPPORT))
638 pos += scnprintf(pos, endpos - pos,
639 "Is UHB enabled for CANADA?: %s\n",
640 rsp->uhb_allowed_flags &
641 TAS_UHB_ALLOWED_CANADA ? "True" : "False");
642
643 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
644 le16_to_cpu(rsp->curr_mcc));
645
646 pos += scnprintf(pos, endpos - pos, "Block list entries:");
647 for (i = 0; i < IWL_WTAS_BLACK_LIST_MAX; i++)
648 pos += scnprintf(pos, endpos - pos, " 0x%x",
649 le16_to_cpu(rsp->block_list[i]));
650
651 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
652 dmi_get_system_info(DMI_SYS_VENDOR) ?: "<unknown>");
653 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
654 iwl_is_tas_approved() ? "YES" : "NO");
655 pos += scnprintf(pos, endpos - pos,
656 "\tDo TAS Support Dual Radio?: %s\n",
657 rsp->in_dual_radio ? "TRUE" : "FALSE");
658
659 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
660 if (rsp->tas_status_mac[i].static_status == 0) {
661 pos += scnprintf(pos, endpos - pos,
662 "Static status: disabled\n");
663 pos += scnprintf(pos, endpos - pos,
664 "Static disabled reason: %s (0)\n",
665 tas_dis_reason[0]);
666 goto out;
667 }
668
669 pos += scnprintf(pos, endpos - pos, "TAS status for ");
670 switch (rsp->tas_status_mac[i].band) {
671 case TAS_LMAC_BAND_HB:
672 pos += scnprintf(pos, endpos - pos, "High band\n");
673 break;
674 case TAS_LMAC_BAND_LB:
675 pos += scnprintf(pos, endpos - pos, "Low band\n");
676 break;
677 case TAS_LMAC_BAND_UHB:
678 pos += scnprintf(pos, endpos - pos,
679 "Ultra high band\n");
680 break;
681 case TAS_LMAC_BAND_INVALID:
682 pos += scnprintf(pos, endpos - pos,
683 "INVALID band\n");
684 break;
685 default:
686 pos += scnprintf(pos, endpos - pos,
687 "Unsupported band (%d)\n",
688 rsp->tas_status_mac[i].band);
689 goto out;
690 }
691 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
692 rsp->tas_status_mac[i].static_status ?
693 "En" : "Dis");
694 pos += scnprintf(pos, endpos - pos,
695 "\tStatic Disabled Reason: ");
696 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
697 pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
698 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
699 rsp->tas_status_mac[i].static_dis_reason);
700 else
701 pos += scnprintf(pos, endpos - pos,
702 "unsupported value (%d)\n",
703 rsp->tas_status_mac[i].static_dis_reason);
704
705 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
706 dyn_status = (rsp->tas_status_mac[i].dynamic_status);
707 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
708 if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
709 pos += scnprintf(pos, endpos - pos,
710 "\t%s (%d)\n",
711 tas_current_status[tmp], tmp);
712 }
713
714 pos += scnprintf(pos, endpos - pos,
715 "Is near disconnection?: %s\n",
716 rsp->tas_status_mac[i].near_disconnection ?
717 "True" : "False");
718 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
719 pos += scnprintf(pos, endpos - pos,
720 "Max. regulatory pwr limit (dBm): %d.%03d\n",
721 tmp / 8, 125 * (tmp % 8));
722 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
723 pos += scnprintf(pos, endpos - pos,
724 "SAR limit (dBm): %d.%03d\n",
725 tmp / 8, 125 * (tmp % 8));
726 }
727
728 out:
729 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
730 kfree(buff);
731 iwl_free_resp(&hcmd);
732 return ret;
733 }
734
iwl_dbgfs_phy_integration_ver_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)735 static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
736 char __user *user_buf,
737 size_t count, loff_t *ppos)
738 {
739 struct iwl_mvm *mvm = file->private_data;
740 char *buf;
741 size_t bufsz;
742 int pos;
743 ssize_t ret;
744
745 bufsz = mvm->fw->phy_integration_ver_len + 2;
746 buf = kmalloc(bufsz, GFP_KERNEL);
747 if (!buf)
748 return -ENOMEM;
749
750 pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
751 mvm->fw->phy_integration_ver);
752
753 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
754
755 kfree(buf);
756 return ret;
757 }
758
759 #define PRINT_STATS_LE32(_struct, _memb) \
760 pos += scnprintf(buf + pos, bufsz - pos, \
761 fmt_table, #_memb, \
762 le32_to_cpu(_struct->_memb))
763
iwl_dbgfs_fw_rx_stats_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)764 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
765 char __user *user_buf, size_t count,
766 loff_t *ppos)
767 {
768 struct iwl_mvm *mvm = file->private_data;
769 static const char *fmt_table = "\t%-30s %10u\n";
770 static const char *fmt_header = "%-32s\n";
771 int pos = 0;
772 char *buf;
773 int ret;
774 size_t bufsz;
775 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
776 WIDE_ID(SYSTEM_GROUP,
777 SYSTEM_STATISTICS_CMD),
778 IWL_FW_CMD_VER_UNKNOWN);
779
780 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
781 return -EOPNOTSUPP;
782
783 if (iwl_mvm_has_new_rx_stats_api(mvm))
784 bufsz = ((sizeof(struct mvm_statistics_rx) /
785 sizeof(__le32)) * 43) + (4 * 33) + 1;
786 else
787 /* 43 = size of each data line; 33 = size of each header */
788 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
789 sizeof(__le32)) * 43) + (4 * 33) + 1;
790
791 buf = kzalloc(bufsz, GFP_KERNEL);
792 if (!buf)
793 return -ENOMEM;
794
795 mutex_lock(&mvm->mutex);
796
797 if (iwl_mvm_firmware_running(mvm))
798 iwl_mvm_request_statistics(mvm, false);
799
800 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
801 "Statistics_Rx - OFDM");
802 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
803 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
804
805 PRINT_STATS_LE32(ofdm, ina_cnt);
806 PRINT_STATS_LE32(ofdm, fina_cnt);
807 PRINT_STATS_LE32(ofdm, plcp_err);
808 PRINT_STATS_LE32(ofdm, crc32_err);
809 PRINT_STATS_LE32(ofdm, overrun_err);
810 PRINT_STATS_LE32(ofdm, early_overrun_err);
811 PRINT_STATS_LE32(ofdm, crc32_good);
812 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
813 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
814 PRINT_STATS_LE32(ofdm, sfd_timeout);
815 PRINT_STATS_LE32(ofdm, fina_timeout);
816 PRINT_STATS_LE32(ofdm, unresponded_rts);
817 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
818 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
819 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
820 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
821 PRINT_STATS_LE32(ofdm, dsp_self_kill);
822 PRINT_STATS_LE32(ofdm, mh_format_err);
823 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
824 PRINT_STATS_LE32(ofdm, reserved);
825 } else {
826 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
827
828 PRINT_STATS_LE32(ofdm, unresponded_rts);
829 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
830 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
831 PRINT_STATS_LE32(ofdm, dsp_self_kill);
832 PRINT_STATS_LE32(ofdm, reserved);
833 }
834
835 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
836 "Statistics_Rx - CCK");
837 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
838 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
839
840 PRINT_STATS_LE32(cck, ina_cnt);
841 PRINT_STATS_LE32(cck, fina_cnt);
842 PRINT_STATS_LE32(cck, plcp_err);
843 PRINT_STATS_LE32(cck, crc32_err);
844 PRINT_STATS_LE32(cck, overrun_err);
845 PRINT_STATS_LE32(cck, early_overrun_err);
846 PRINT_STATS_LE32(cck, crc32_good);
847 PRINT_STATS_LE32(cck, false_alarm_cnt);
848 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
849 PRINT_STATS_LE32(cck, sfd_timeout);
850 PRINT_STATS_LE32(cck, fina_timeout);
851 PRINT_STATS_LE32(cck, unresponded_rts);
852 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
853 PRINT_STATS_LE32(cck, sent_ack_cnt);
854 PRINT_STATS_LE32(cck, sent_cts_cnt);
855 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
856 PRINT_STATS_LE32(cck, dsp_self_kill);
857 PRINT_STATS_LE32(cck, mh_format_err);
858 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
859 PRINT_STATS_LE32(cck, reserved);
860 } else {
861 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
862
863 PRINT_STATS_LE32(cck, unresponded_rts);
864 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
865 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
866 PRINT_STATS_LE32(cck, dsp_self_kill);
867 PRINT_STATS_LE32(cck, reserved);
868 }
869
870 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
871 "Statistics_Rx - GENERAL");
872 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
873 struct mvm_statistics_rx_non_phy_v3 *general =
874 &mvm->rx_stats_v3.general;
875
876 PRINT_STATS_LE32(general, bogus_cts);
877 PRINT_STATS_LE32(general, bogus_ack);
878 PRINT_STATS_LE32(general, non_bssid_frames);
879 PRINT_STATS_LE32(general, filtered_frames);
880 PRINT_STATS_LE32(general, non_channel_beacons);
881 PRINT_STATS_LE32(general, channel_beacons);
882 PRINT_STATS_LE32(general, num_missed_bcon);
883 PRINT_STATS_LE32(general, adc_rx_saturation_time);
884 PRINT_STATS_LE32(general, ina_detection_search_time);
885 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
886 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
887 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
888 PRINT_STATS_LE32(general, interference_data_flag);
889 PRINT_STATS_LE32(general, channel_load);
890 PRINT_STATS_LE32(general, dsp_false_alarms);
891 PRINT_STATS_LE32(general, beacon_rssi_a);
892 PRINT_STATS_LE32(general, beacon_rssi_b);
893 PRINT_STATS_LE32(general, beacon_rssi_c);
894 PRINT_STATS_LE32(general, beacon_energy_a);
895 PRINT_STATS_LE32(general, beacon_energy_b);
896 PRINT_STATS_LE32(general, beacon_energy_c);
897 PRINT_STATS_LE32(general, num_bt_kills);
898 PRINT_STATS_LE32(general, mac_id);
899 PRINT_STATS_LE32(general, directed_data_mpdu);
900 } else {
901 struct mvm_statistics_rx_non_phy *general =
902 &mvm->rx_stats.general;
903
904 PRINT_STATS_LE32(general, bogus_cts);
905 PRINT_STATS_LE32(general, bogus_ack);
906 PRINT_STATS_LE32(general, non_channel_beacons);
907 PRINT_STATS_LE32(general, channel_beacons);
908 PRINT_STATS_LE32(general, num_missed_bcon);
909 PRINT_STATS_LE32(general, adc_rx_saturation_time);
910 PRINT_STATS_LE32(general, ina_detection_search_time);
911 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
912 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
913 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
914 PRINT_STATS_LE32(general, interference_data_flag);
915 PRINT_STATS_LE32(general, channel_load);
916 PRINT_STATS_LE32(general, beacon_rssi_a);
917 PRINT_STATS_LE32(general, beacon_rssi_b);
918 PRINT_STATS_LE32(general, beacon_rssi_c);
919 PRINT_STATS_LE32(general, beacon_energy_a);
920 PRINT_STATS_LE32(general, beacon_energy_b);
921 PRINT_STATS_LE32(general, beacon_energy_c);
922 PRINT_STATS_LE32(general, num_bt_kills);
923 PRINT_STATS_LE32(general, mac_id);
924 }
925
926 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
927 "Statistics_Rx - HT");
928 if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
929 struct mvm_statistics_rx_ht_phy_v1 *ht =
930 &mvm->rx_stats_v3.ofdm_ht;
931
932 PRINT_STATS_LE32(ht, plcp_err);
933 PRINT_STATS_LE32(ht, overrun_err);
934 PRINT_STATS_LE32(ht, early_overrun_err);
935 PRINT_STATS_LE32(ht, crc32_good);
936 PRINT_STATS_LE32(ht, crc32_err);
937 PRINT_STATS_LE32(ht, mh_format_err);
938 PRINT_STATS_LE32(ht, agg_crc32_good);
939 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
940 PRINT_STATS_LE32(ht, agg_cnt);
941 PRINT_STATS_LE32(ht, unsupport_mcs);
942 } else {
943 struct mvm_statistics_rx_ht_phy *ht =
944 &mvm->rx_stats.ofdm_ht;
945
946 PRINT_STATS_LE32(ht, mh_format_err);
947 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
948 PRINT_STATS_LE32(ht, agg_cnt);
949 PRINT_STATS_LE32(ht, unsupport_mcs);
950 }
951
952 mutex_unlock(&mvm->mutex);
953
954 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
955 kfree(buf);
956
957 return ret;
958 }
959 #undef PRINT_STAT_LE32
960
iwl_dbgfs_fw_system_stats_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)961 static ssize_t iwl_dbgfs_fw_system_stats_read(struct file *file,
962 char __user *user_buf,
963 size_t count, loff_t *ppos)
964 {
965 char *buff, *pos, *endpos;
966 int ret;
967 size_t bufsz;
968 int i;
969 struct iwl_mvm_vif *mvmvif;
970 struct ieee80211_vif *vif;
971 struct iwl_mvm *mvm = file->private_data;
972 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
973 WIDE_ID(SYSTEM_GROUP,
974 SYSTEM_STATISTICS_CMD),
975 IWL_FW_CMD_VER_UNKNOWN);
976
977 /* in case of a wrong cmd version, allocate buffer only for error msg */
978 bufsz = (cmd_ver == 1) ? 4096 : 64;
979
980 buff = kzalloc(bufsz, GFP_KERNEL);
981 if (!buff)
982 return -ENOMEM;
983
984 pos = buff;
985 endpos = pos + bufsz;
986
987 if (cmd_ver != 1) {
988 pos += scnprintf(pos, endpos - pos,
989 "System stats not supported:%d\n", cmd_ver);
990 goto send_out;
991 }
992
993 mutex_lock(&mvm->mutex);
994 if (iwl_mvm_firmware_running(mvm))
995 iwl_mvm_request_statistics(mvm, false);
996
997 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
998 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
999 if (!vif)
1000 continue;
1001
1002 if (vif->type == NL80211_IFTYPE_STATION)
1003 break;
1004 }
1005
1006 if (i == NUM_MAC_INDEX_DRIVER || !vif) {
1007 pos += scnprintf(pos, endpos - pos, "vif is NULL\n");
1008 goto release_send_out;
1009 }
1010
1011 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1012 if (!mvmvif) {
1013 pos += scnprintf(pos, endpos - pos, "mvmvif is NULL\n");
1014 goto release_send_out;
1015 }
1016
1017 for_each_mvm_vif_valid_link(mvmvif, i) {
1018 struct iwl_mvm_vif_link_info *link_info = mvmvif->link[i];
1019
1020 pos += scnprintf(pos, endpos - pos,
1021 "link_id %d", i);
1022 pos += scnprintf(pos, endpos - pos,
1023 " num_beacons %d",
1024 link_info->beacon_stats.num_beacons);
1025 pos += scnprintf(pos, endpos - pos,
1026 " accu_num_beacons %d",
1027 link_info->beacon_stats.accu_num_beacons);
1028 pos += scnprintf(pos, endpos - pos,
1029 " avg_signal %d\n",
1030 link_info->beacon_stats.avg_signal);
1031 }
1032
1033 pos += scnprintf(pos, endpos - pos,
1034 "radio_stats.rx_time %lld\n",
1035 mvm->radio_stats.rx_time);
1036 pos += scnprintf(pos, endpos - pos,
1037 "radio_stats.tx_time %lld\n",
1038 mvm->radio_stats.tx_time);
1039 pos += scnprintf(pos, endpos - pos,
1040 "accu_radio_stats.rx_time %lld\n",
1041 mvm->accu_radio_stats.rx_time);
1042 pos += scnprintf(pos, endpos - pos,
1043 "accu_radio_stats.tx_time %lld\n",
1044 mvm->accu_radio_stats.tx_time);
1045
1046 release_send_out:
1047 mutex_unlock(&mvm->mutex);
1048
1049 send_out:
1050 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1051 kfree(buff);
1052
1053 return ret;
1054 }
1055
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)1056 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
1057 char __user *user_buf, size_t count,
1058 loff_t *ppos,
1059 struct iwl_mvm_frame_stats *stats)
1060 {
1061 char *buff, *pos, *endpos;
1062 int idx, i;
1063 int ret;
1064 static const size_t bufsz = 1024;
1065
1066 buff = kmalloc(bufsz, GFP_KERNEL);
1067 if (!buff)
1068 return -ENOMEM;
1069
1070 spin_lock_bh(&mvm->drv_stats_lock);
1071
1072 pos = buff;
1073 endpos = pos + bufsz;
1074
1075 pos += scnprintf(pos, endpos - pos,
1076 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
1077 stats->legacy_frames,
1078 stats->ht_frames,
1079 stats->vht_frames);
1080 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
1081 stats->bw_20_frames,
1082 stats->bw_40_frames,
1083 stats->bw_80_frames);
1084 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
1085 stats->ngi_frames,
1086 stats->sgi_frames);
1087 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
1088 stats->siso_frames,
1089 stats->mimo2_frames);
1090 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
1091 stats->fail_frames,
1092 stats->success_frames);
1093 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
1094 stats->agg_frames);
1095 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
1096 stats->ampdu_count);
1097 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
1098 stats->ampdu_count > 0 ?
1099 (stats->agg_frames / stats->ampdu_count) : 0);
1100
1101 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
1102
1103 idx = stats->last_frame_idx - 1;
1104 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
1105 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
1106 if (stats->last_rates[idx] == 0)
1107 continue;
1108 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
1109 (int)(ARRAY_SIZE(stats->last_rates) - i));
1110 pos += rs_pretty_print_rate_v1(pos, endpos - pos,
1111 stats->last_rates[idx]);
1112 if (pos < endpos - 1)
1113 *pos++ = '\n';
1114 }
1115 spin_unlock_bh(&mvm->drv_stats_lock);
1116
1117 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1118 kfree(buff);
1119
1120 return ret;
1121 }
1122
iwl_dbgfs_drv_rx_stats_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1123 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1124 char __user *user_buf, size_t count,
1125 loff_t *ppos)
1126 {
1127 struct iwl_mvm *mvm = file->private_data;
1128
1129 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1130 &mvm->drv_rx_stats);
1131 }
1132
iwl_dbgfs_fw_restart_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1133 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1134 size_t count, loff_t *ppos)
1135 {
1136 int __maybe_unused ret;
1137
1138 if (!iwl_mvm_firmware_running(mvm))
1139 return -EIO;
1140
1141 mutex_lock(&mvm->mutex);
1142
1143 if (count == 6 && !strcmp(buf, "nolog\n")) {
1144 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1145 set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status);
1146 }
1147
1148 /* take the return value to make compiler happy - it will fail anyway */
1149 ret = iwl_mvm_send_cmd_pdu(mvm,
1150 WIDE_ID(LONG_GROUP, REPLY_ERROR),
1151 0, 0, NULL);
1152
1153 mutex_unlock(&mvm->mutex);
1154
1155 return count;
1156 }
1157
iwl_dbgfs_fw_nmi_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1158 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1159 size_t count, loff_t *ppos)
1160 {
1161 if (!iwl_mvm_firmware_running(mvm))
1162 return -EIO;
1163
1164 IWL_ERR(mvm, "Triggering an NMI from debugfs\n");
1165
1166 if (count == 6 && !strcmp(buf, "nolog\n"))
1167 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1168
1169 iwl_force_nmi(mvm->trans);
1170
1171 return count;
1172 }
1173
1174 static ssize_t
iwl_dbgfs_scan_ant_rxchain_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1175 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1176 char __user *user_buf,
1177 size_t count, loff_t *ppos)
1178 {
1179 struct iwl_mvm *mvm = file->private_data;
1180 int pos = 0;
1181 char buf[32];
1182 const size_t bufsz = sizeof(buf);
1183
1184 /* print which antennas were set for the scan command by the user */
1185 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1186 if (mvm->scan_rx_ant & ANT_A)
1187 pos += scnprintf(buf + pos, bufsz - pos, "A");
1188 if (mvm->scan_rx_ant & ANT_B)
1189 pos += scnprintf(buf + pos, bufsz - pos, "B");
1190 pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant);
1191
1192 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1193 }
1194
1195 static ssize_t
iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1196 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1197 size_t count, loff_t *ppos)
1198 {
1199 u8 scan_rx_ant;
1200
1201 if (!iwl_mvm_firmware_running(mvm))
1202 return -EIO;
1203
1204 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1205 return -EINVAL;
1206 if (scan_rx_ant > ANT_ABC)
1207 return -EINVAL;
1208 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1209 return -EINVAL;
1210
1211 if (mvm->scan_rx_ant != scan_rx_ant) {
1212 mvm->scan_rx_ant = scan_rx_ant;
1213 if (fw_has_capa(&mvm->fw->ucode_capa,
1214 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1215 iwl_mvm_config_scan(mvm);
1216 }
1217
1218 return count;
1219 }
1220
iwl_dbgfs_indirection_tbl_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1221 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1222 char *buf, size_t count,
1223 loff_t *ppos)
1224 {
1225 struct iwl_rss_config_cmd cmd = {
1226 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1227 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1228 IWL_RSS_HASH_TYPE_IPV4_UDP |
1229 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1230 IWL_RSS_HASH_TYPE_IPV6_TCP |
1231 IWL_RSS_HASH_TYPE_IPV6_UDP |
1232 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1233 };
1234 int ret, i, num_repeats, nbytes = count / 2;
1235
1236 ret = hex2bin(cmd.indirection_table, buf, nbytes);
1237 if (ret)
1238 return ret;
1239
1240 /*
1241 * The input is the redirection table, partial or full.
1242 * Repeat the pattern if needed.
1243 * For example, input of 01020F will be repeated 42 times,
1244 * indirecting RSS hash results to queues 1, 2, 15 (skipping
1245 * queues 3 - 14).
1246 */
1247 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1248 for (i = 1; i < num_repeats; i++)
1249 memcpy(&cmd.indirection_table[i * nbytes],
1250 cmd.indirection_table, nbytes);
1251 /* handle cut in the middle pattern for the last places */
1252 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1253 ARRAY_SIZE(cmd.indirection_table) % nbytes);
1254
1255 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1256
1257 mutex_lock(&mvm->mutex);
1258 if (iwl_mvm_firmware_running(mvm))
1259 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1260 sizeof(cmd), &cmd);
1261 else
1262 ret = 0;
1263 mutex_unlock(&mvm->mutex);
1264
1265 return ret ?: count;
1266 }
1267
iwl_dbgfs_inject_packet_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1268 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1269 char *buf, size_t count,
1270 loff_t *ppos)
1271 {
1272 struct iwl_op_mode *opmode = container_of((void *)mvm,
1273 struct iwl_op_mode,
1274 op_mode_specific);
1275 struct iwl_rx_cmd_buffer rxb = {
1276 ._rx_page_order = 0,
1277 .truesize = 0, /* not used */
1278 ._offset = 0,
1279 };
1280 struct iwl_rx_packet *pkt;
1281 int bin_len = count / 2;
1282 int ret = -EINVAL;
1283
1284 if (!iwl_mvm_firmware_running(mvm))
1285 return -EIO;
1286
1287 /* supporting only MQ RX */
1288 if (!mvm->trans->trans_cfg->mq_rx_supported)
1289 return -EOPNOTSUPP;
1290
1291 rxb._page = alloc_pages(GFP_ATOMIC, 0);
1292 if (!rxb._page)
1293 return -ENOMEM;
1294 pkt = rxb_addr(&rxb);
1295
1296 ret = hex2bin(page_address(rxb._page), buf, bin_len);
1297 if (ret)
1298 goto out;
1299
1300 /* avoid invalid memory access and malformed packet */
1301 if (bin_len < sizeof(*pkt) ||
1302 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1303 goto out;
1304
1305 local_bh_disable();
1306 iwl_mvm_rx_mq(opmode, NULL, &rxb);
1307 local_bh_enable();
1308 ret = 0;
1309
1310 out:
1311 iwl_free_rxb(&rxb);
1312
1313 return ret ?: count;
1314 }
1315
_iwl_dbgfs_inject_beacon_ie(struct iwl_mvm * mvm,char * bin,int len)1316 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1317 {
1318 struct ieee80211_vif *vif;
1319 struct iwl_mvm_vif *mvmvif;
1320 struct sk_buff *beacon;
1321 struct ieee80211_tx_info *info;
1322 struct iwl_mac_beacon_cmd beacon_cmd = {};
1323 unsigned int link_id;
1324 u8 rate;
1325 int i;
1326
1327 len /= 2;
1328
1329 /* Element len should be represented by u8 */
1330 if (len >= U8_MAX)
1331 return -EINVAL;
1332
1333 if (!iwl_mvm_firmware_running(mvm))
1334 return -EIO;
1335
1336 if (!iwl_mvm_has_new_tx_api(mvm) &&
1337 !fw_has_api(&mvm->fw->ucode_capa,
1338 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1339 return -EINVAL;
1340
1341 mutex_lock(&mvm->mutex);
1342
1343 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1344 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1345 if (!vif)
1346 continue;
1347
1348 if (vif->type == NL80211_IFTYPE_AP)
1349 break;
1350 }
1351
1352 if (i == NUM_MAC_INDEX_DRIVER || !vif)
1353 goto out_err;
1354
1355 mvm->hw->extra_beacon_tailroom = len;
1356
1357 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0);
1358 if (!beacon)
1359 goto out_err;
1360
1361 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1362 dev_kfree_skb(beacon);
1363 goto out_err;
1364 }
1365
1366 mvm->beacon_inject_active = true;
1367
1368 mvmvif = iwl_mvm_vif_from_mac80211(vif);
1369 info = IEEE80211_SKB_CB(beacon);
1370 rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif);
1371
1372 for_each_mvm_vif_valid_link(mvmvif, link_id) {
1373 beacon_cmd.flags =
1374 cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw,
1375 rate));
1376 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1377 if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12)
1378 beacon_cmd.link_id =
1379 cpu_to_le32(mvmvif->link[link_id]->fw_link_id);
1380 else
1381 beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id);
1382
1383 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1384 &beacon_cmd.tim_size,
1385 beacon->data, beacon->len);
1386
1387 if (iwl_fw_lookup_cmd_ver(mvm->fw,
1388 BEACON_TEMPLATE_CMD, 0) >= 14) {
1389 u32 offset = iwl_find_ie_offset(beacon->data,
1390 WLAN_EID_S1G_TWT,
1391 beacon->len);
1392
1393 beacon_cmd.btwt_offset = cpu_to_le32(offset);
1394 }
1395
1396 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1397 sizeof(beacon_cmd));
1398 }
1399 mutex_unlock(&mvm->mutex);
1400
1401 dev_kfree_skb(beacon);
1402
1403 return 0;
1404
1405 out_err:
1406 mutex_unlock(&mvm->mutex);
1407 return -EINVAL;
1408 }
1409
iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1410 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1411 char *buf, size_t count,
1412 loff_t *ppos)
1413 {
1414 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1415
1416 mvm->hw->extra_beacon_tailroom = 0;
1417 return ret ?: count;
1418 }
1419
iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1420 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1421 char *buf,
1422 size_t count,
1423 loff_t *ppos)
1424 {
1425 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1426
1427 mvm->hw->extra_beacon_tailroom = 0;
1428 mvm->beacon_inject_active = false;
1429 return ret ?: count;
1430 }
1431
iwl_dbgfs_fw_dbg_conf_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1432 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1433 char __user *user_buf,
1434 size_t count, loff_t *ppos)
1435 {
1436 struct iwl_mvm *mvm = file->private_data;
1437 int conf;
1438 char buf[8];
1439 const size_t bufsz = sizeof(buf);
1440 int pos = 0;
1441
1442 mutex_lock(&mvm->mutex);
1443 conf = mvm->fwrt.dump.conf;
1444 mutex_unlock(&mvm->mutex);
1445
1446 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1447
1448 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1449 }
1450
iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1451 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1452 char *buf, size_t count,
1453 loff_t *ppos)
1454 {
1455 unsigned int conf_id;
1456 int ret;
1457
1458 if (!iwl_mvm_firmware_running(mvm))
1459 return -EIO;
1460
1461 ret = kstrtouint(buf, 0, &conf_id);
1462 if (ret)
1463 return ret;
1464
1465 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1466 return -EINVAL;
1467
1468 mutex_lock(&mvm->mutex);
1469 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1470 mutex_unlock(&mvm->mutex);
1471
1472 return ret ?: count;
1473 }
1474
iwl_dbgfs_fw_dbg_clear_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1475 static ssize_t iwl_dbgfs_fw_dbg_clear_write(struct iwl_mvm *mvm,
1476 char *buf, size_t count,
1477 loff_t *ppos)
1478 {
1479 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
1480 return -EOPNOTSUPP;
1481
1482 /*
1483 * If the firmware is not running, silently succeed since there is
1484 * no data to clear.
1485 */
1486 if (!iwl_mvm_firmware_running(mvm))
1487 return count;
1488
1489 mutex_lock(&mvm->mutex);
1490 iwl_fw_dbg_clear_monitor_buf(&mvm->fwrt);
1491 mutex_unlock(&mvm->mutex);
1492
1493 return count;
1494 }
1495
iwl_dbgfs_dbg_time_point_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1496 static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1497 char *buf, size_t count,
1498 loff_t *ppos)
1499 {
1500 u32 timepoint;
1501
1502 if (kstrtou32(buf, 0, &timepoint))
1503 return -EINVAL;
1504
1505 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1506 timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1507 return -EINVAL;
1508
1509 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1510
1511 return count;
1512 }
1513
1514 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1515 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1516 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1517 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1518 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1519 debugfs_create_file(alias, mode, parent, mvm, \
1520 &iwl_dbgfs_##name##_ops); \
1521 } while (0)
1522 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1523 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1524
1525 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)1526 _iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *,
1527 struct iwl_mvm_sta *,
1528 struct iwl_mvm *,
1529 struct iwl_mvm_link_sta *,
1530 char *,
1531 size_t, loff_t *),
1532 struct file *file,
1533 char *buf, size_t buf_size, loff_t *ppos)
1534 {
1535 struct ieee80211_link_sta *link_sta = file->private_data;
1536 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1537 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1538 struct iwl_mvm_link_sta *mvm_link_sta;
1539 ssize_t ret;
1540
1541 mutex_lock(&mvm->mutex);
1542
1543 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1544 lockdep_is_held(&mvm->mutex));
1545 if (WARN_ON(!mvm_link_sta)) {
1546 mutex_unlock(&mvm->mutex);
1547 return -ENODEV;
1548 }
1549
1550 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos);
1551
1552 mutex_unlock(&mvm->mutex);
1553
1554 return ret;
1555 }
1556
1557 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)1558 _iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *,
1559 struct iwl_mvm_sta *,
1560 struct iwl_mvm *,
1561 struct iwl_mvm_link_sta *,
1562 char __user *,
1563 size_t, loff_t *),
1564 struct file *file,
1565 char __user *user_buf, size_t count, loff_t *ppos)
1566 {
1567 struct ieee80211_link_sta *link_sta = file->private_data;
1568 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1569 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1570 struct iwl_mvm_link_sta *mvm_link_sta;
1571 ssize_t ret;
1572
1573 mutex_lock(&mvm->mutex);
1574
1575 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1576 lockdep_is_held(&mvm->mutex));
1577 if (WARN_ON(!mvm_link_sta)) {
1578 mutex_unlock(&mvm->mutex);
1579 return -ENODEV;
1580 }
1581
1582 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos);
1583
1584 mutex_unlock(&mvm->mutex);
1585
1586 return ret;
1587 }
1588
1589 #define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen) \
1590 static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file, \
1591 const char __user *user_buf, \
1592 size_t count, loff_t *ppos) \
1593 { \
1594 char buf[buflen] = {}; \
1595 size_t buf_size = min(count, sizeof(buf) - 1); \
1596 \
1597 if (copy_from_user(buf, user_buf, buf_size)) \
1598 return -EFAULT; \
1599 \
1600 return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \
1601 file, \
1602 buf, buf_size, ppos); \
1603 } \
1604
1605 #define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1606 static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file, \
1607 char __user *user_buf, \
1608 size_t count, loff_t *ppos) \
1609 { \
1610 return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read, \
1611 file, \
1612 user_buf, count, ppos); \
1613 } \
1614
1615 #define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
1616 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
1617 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1618 .write = _iwl_dbgfs_link_sta_##name##_write, \
1619 .open = simple_open, \
1620 .llseek = generic_file_llseek, \
1621 }
1622
1623 #define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name) \
1624 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1625 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1626 .read = _iwl_dbgfs_link_sta_##name##_read, \
1627 .open = simple_open, \
1628 .llseek = generic_file_llseek, \
1629 }
1630
1631 #define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
1632 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
1633 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
1634 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1635 .read = _iwl_dbgfs_link_sta_##name##_read, \
1636 .write = _iwl_dbgfs_link_sta_##name##_write, \
1637 .open = simple_open, \
1638 .llseek = generic_file_llseek, \
1639 }
1640
1641 #define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode) \
1642 debugfs_create_file(alias, mode, parent, link_sta, \
1643 &iwl_dbgfs_link_sta_##name##_ops)
1644 #define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \
1645 MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode)
1646
1647 static ssize_t
iwl_dbgfs_prph_reg_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1648 iwl_dbgfs_prph_reg_read(struct file *file,
1649 char __user *user_buf,
1650 size_t count, loff_t *ppos)
1651 {
1652 struct iwl_mvm *mvm = file->private_data;
1653 int pos = 0;
1654 char buf[32];
1655 const size_t bufsz = sizeof(buf);
1656
1657 if (!mvm->dbgfs_prph_reg_addr)
1658 return -EINVAL;
1659
1660 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1661 mvm->dbgfs_prph_reg_addr,
1662 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1663
1664 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1665 }
1666
1667 static ssize_t
iwl_dbgfs_prph_reg_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1668 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1669 size_t count, loff_t *ppos)
1670 {
1671 u8 args;
1672 u32 value;
1673
1674 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1675 /* if we only want to set the reg address - nothing more to do */
1676 if (args == 1)
1677 goto out;
1678
1679 /* otherwise, make sure we have both address and value */
1680 if (args != 2)
1681 return -EINVAL;
1682
1683 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1684
1685 out:
1686 return count;
1687 }
1688
1689 static ssize_t
iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1690 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1691 size_t count, loff_t *ppos)
1692 {
1693 int ret;
1694
1695 if (!iwl_mvm_firmware_running(mvm))
1696 return -EIO;
1697
1698 mutex_lock(&mvm->mutex);
1699 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1700 mutex_unlock(&mvm->mutex);
1701
1702 return ret ?: count;
1703 }
1704
1705 struct iwl_mvm_sniffer_apply {
1706 struct iwl_mvm *mvm;
1707 u8 *bssid;
1708 u16 aid;
1709 };
1710
iwl_mvm_sniffer_apply(struct iwl_notif_wait_data * notif_data,struct iwl_rx_packet * pkt,void * data)1711 static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1712 struct iwl_rx_packet *pkt, void *data)
1713 {
1714 struct iwl_mvm_sniffer_apply *apply = data;
1715
1716 apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1717 memcpy(apply->mvm->cur_bssid, apply->bssid,
1718 sizeof(apply->mvm->cur_bssid));
1719
1720 return true;
1721 }
1722
1723 static ssize_t
iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1724 iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1725 size_t count, loff_t *ppos)
1726 {
1727 struct iwl_notification_wait wait;
1728 struct iwl_he_monitor_cmd he_mon_cmd = {};
1729 struct iwl_mvm_sniffer_apply apply = {
1730 .mvm = mvm,
1731 };
1732 u16 wait_cmds[] = {
1733 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1734 };
1735 u32 aid;
1736 int ret;
1737
1738 if (!iwl_mvm_firmware_running(mvm))
1739 return -EIO;
1740
1741 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1742 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1743 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1744 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1745 if (ret != 7)
1746 return -EINVAL;
1747
1748 he_mon_cmd.aid = cpu_to_le16(aid);
1749
1750 apply.aid = aid;
1751 apply.bssid = (void *)he_mon_cmd.bssid;
1752
1753 mutex_lock(&mvm->mutex);
1754
1755 /*
1756 * Use the notification waiter to get our function triggered
1757 * in sequence with other RX. This ensures that frames we get
1758 * on the RX queue _before_ the new configuration is applied
1759 * still have mvm->cur_aid pointing to the old AID, and that
1760 * frames on the RX queue _after_ the firmware processed the
1761 * new configuration (and sent the response, synchronously)
1762 * get mvm->cur_aid correctly set to the new AID.
1763 */
1764 iwl_init_notification_wait(&mvm->notif_wait, &wait,
1765 wait_cmds, ARRAY_SIZE(wait_cmds),
1766 iwl_mvm_sniffer_apply, &apply);
1767
1768 ret = iwl_mvm_send_cmd_pdu(mvm,
1769 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1770 0,
1771 sizeof(he_mon_cmd), &he_mon_cmd);
1772
1773 /* no need to really wait, we already did anyway */
1774 iwl_remove_notification(&mvm->notif_wait, &wait);
1775
1776 mutex_unlock(&mvm->mutex);
1777
1778 return ret ?: count;
1779 }
1780
1781 static ssize_t
iwl_dbgfs_he_sniffer_params_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1782 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1783 size_t count, loff_t *ppos)
1784 {
1785 struct iwl_mvm *mvm = file->private_data;
1786 u8 buf[32];
1787 int len;
1788
1789 len = scnprintf(buf, sizeof(buf),
1790 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1791 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1792 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1793 mvm->cur_bssid[4], mvm->cur_bssid[5]);
1794
1795 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1796 }
1797
1798 static ssize_t
iwl_dbgfs_uapsd_noagg_bssids_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1799 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1800 size_t count, loff_t *ppos)
1801 {
1802 struct iwl_mvm *mvm = file->private_data;
1803 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1804 unsigned int pos = 0;
1805 size_t bufsz = sizeof(buf);
1806 int i;
1807
1808 mutex_lock(&mvm->mutex);
1809
1810 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1811 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1812 mvm->uapsd_noagg_bssids[i].addr);
1813
1814 mutex_unlock(&mvm->mutex);
1815
1816 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1817 }
1818
1819 static ssize_t
iwl_dbgfs_ltr_config_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1820 iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1821 char *buf, size_t count, loff_t *ppos)
1822 {
1823 int ret;
1824 struct iwl_ltr_config_cmd ltr_config = {0};
1825
1826 if (!iwl_mvm_firmware_running(mvm))
1827 return -EIO;
1828
1829 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1830 <r_config.flags,
1831 <r_config.static_long,
1832 <r_config.static_short,
1833 <r_config.ltr_cfg_values[0],
1834 <r_config.ltr_cfg_values[1],
1835 <r_config.ltr_cfg_values[2],
1836 <r_config.ltr_cfg_values[3]) != 7) {
1837 return -EINVAL;
1838 }
1839
1840 mutex_lock(&mvm->mutex);
1841 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1842 <r_config);
1843 mutex_unlock(&mvm->mutex);
1844
1845 if (ret)
1846 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1847
1848 return ret ?: count;
1849 }
1850
iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm * mvm,char * buf,size_t count,loff_t * ppos)1851 static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
1852 size_t count, loff_t *ppos)
1853 {
1854 int ret = 0;
1855 u16 op_id;
1856
1857 if (kstrtou16(buf, 10, &op_id))
1858 return -EINVAL;
1859
1860 /* value zero triggers re-sending the default table to the device */
1861 if (!op_id) {
1862 mutex_lock(&mvm->mutex);
1863 ret = iwl_rfi_send_config_cmd(mvm, NULL);
1864 mutex_unlock(&mvm->mutex);
1865 } else {
1866 ret = -EOPNOTSUPP; /* in the future a new table will be added */
1867 }
1868
1869 return ret ?: count;
1870 }
1871
1872 /* The size computation is as follows:
1873 * each number needs at most 3 characters, number of rows is the size of
1874 * the table; So, need 5 chars for the "freq: " part and each tuple afterwards
1875 * needs 6 characters for numbers and 5 for the punctuation around.
1876 */
1877 #define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
1878 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
1879
iwl_dbgfs_rfi_freq_table_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1880 static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
1881 char __user *user_buf,
1882 size_t count, loff_t *ppos)
1883 {
1884 struct iwl_mvm *mvm = file->private_data;
1885 struct iwl_rfi_freq_table_resp_cmd *resp;
1886 u32 status;
1887 char buf[IWL_RFI_BUF_SIZE];
1888 int i, j, pos = 0;
1889
1890 resp = iwl_rfi_get_freq_table(mvm);
1891 if (IS_ERR(resp))
1892 return PTR_ERR(resp);
1893
1894 status = le32_to_cpu(resp->status);
1895 if (status != RFI_FREQ_TABLE_OK) {
1896 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
1897 goto out;
1898 }
1899
1900 for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
1901 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
1902 resp->table[i].freq);
1903
1904 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
1905 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
1906 "(%d, %d) ",
1907 resp->table[i].channels[j],
1908 resp->table[i].bands[j]);
1909 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
1910 }
1911
1912 out:
1913 kfree(resp);
1914 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1915 }
1916
1917 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1918
1919 /* Device wide debugfs entries */
1920 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1921 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1922 MVM_DEBUGFS_WRITE_FILE_OPS(start_ctdp, 8);
1923 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1924 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1925 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1926 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1927 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1928 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1929 MVM_DEBUGFS_READ_FILE_OPS(stations);
1930 MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data);
1931 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1932 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1933 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1934 MVM_DEBUGFS_READ_FILE_OPS(fw_system_stats);
1935 MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
1936 MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
1937 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1938 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1939 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1940 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1941 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_clear, 64);
1942 MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
1943 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1944 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1945 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1946 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1947 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1948
1949 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1950
1951 #ifdef CONFIG_ACPI
1952 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1953 MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable);
1954 #endif
1955
1956 MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16);
1957
1958 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1959
1960 MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1961 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
1962
iwl_dbgfs_mem_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1963 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1964 size_t count, loff_t *ppos)
1965 {
1966 struct iwl_mvm *mvm = file->private_data;
1967 struct iwl_dbg_mem_access_cmd cmd = {};
1968 struct iwl_dbg_mem_access_rsp *rsp;
1969 struct iwl_host_cmd hcmd = {
1970 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1971 .data = { &cmd, },
1972 .len = { sizeof(cmd) },
1973 };
1974 size_t delta;
1975 ssize_t ret, len;
1976
1977 if (!iwl_mvm_firmware_running(mvm))
1978 return -EIO;
1979
1980 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
1981 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1982
1983 /* Take care of alignment of both the position and the length */
1984 delta = *ppos & 0x3;
1985 cmd.addr = cpu_to_le32(*ppos - delta);
1986 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1987 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1988
1989 mutex_lock(&mvm->mutex);
1990 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1991 mutex_unlock(&mvm->mutex);
1992
1993 if (ret < 0)
1994 return ret;
1995
1996 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
1997 ret = -EIO;
1998 goto out;
1999 }
2000
2001 rsp = (void *)hcmd.resp_pkt->data;
2002 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
2003 ret = -ENXIO;
2004 goto out;
2005 }
2006
2007 len = min((size_t)le32_to_cpu(rsp->len) << 2,
2008 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
2009 len = min(len - delta, count);
2010 if (len < 0) {
2011 ret = -EFAULT;
2012 goto out;
2013 }
2014
2015 ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len);
2016 *ppos += ret;
2017
2018 out:
2019 iwl_free_resp(&hcmd);
2020 return ret;
2021 }
2022
iwl_dbgfs_mem_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)2023 static ssize_t iwl_dbgfs_mem_write(struct file *file,
2024 const char __user *user_buf, size_t count,
2025 loff_t *ppos)
2026 {
2027 struct iwl_mvm *mvm = file->private_data;
2028 struct iwl_dbg_mem_access_cmd *cmd;
2029 struct iwl_dbg_mem_access_rsp *rsp;
2030 struct iwl_host_cmd hcmd = {};
2031 size_t cmd_size;
2032 size_t data_size;
2033 u32 op, len;
2034 ssize_t ret;
2035
2036 if (!iwl_mvm_firmware_running(mvm))
2037 return -EIO;
2038
2039 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
2040
2041 if (*ppos & 0x3 || count < 4) {
2042 op = DEBUG_MEM_OP_WRITE_BYTES;
2043 len = min(count, (size_t)(4 - (*ppos & 0x3)));
2044 data_size = len;
2045 } else {
2046 op = DEBUG_MEM_OP_WRITE;
2047 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
2048 data_size = len << 2;
2049 }
2050
2051 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
2052 cmd = kzalloc(cmd_size, GFP_KERNEL);
2053 if (!cmd)
2054 return -ENOMEM;
2055
2056 cmd->op = cpu_to_le32(op);
2057 cmd->len = cpu_to_le32(len);
2058 cmd->addr = cpu_to_le32(*ppos);
2059 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
2060 kfree(cmd);
2061 return -EFAULT;
2062 }
2063
2064 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2065 hcmd.data[0] = (void *)cmd;
2066 hcmd.len[0] = cmd_size;
2067
2068 mutex_lock(&mvm->mutex);
2069 ret = iwl_mvm_send_cmd(mvm, &hcmd);
2070 mutex_unlock(&mvm->mutex);
2071
2072 kfree(cmd);
2073
2074 if (ret < 0)
2075 return ret;
2076
2077 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
2078 ret = -EIO;
2079 goto out;
2080 }
2081
2082 rsp = (void *)hcmd.resp_pkt->data;
2083 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2084 ret = -ENXIO;
2085 goto out;
2086 }
2087
2088 ret = data_size;
2089 *ppos += ret;
2090
2091 out:
2092 iwl_free_resp(&hcmd);
2093 return ret;
2094 }
2095
2096 static const struct file_operations iwl_dbgfs_mem_ops = {
2097 .read = iwl_dbgfs_mem_read,
2098 .write = iwl_dbgfs_mem_write,
2099 .open = simple_open,
2100 .llseek = default_llseek,
2101 };
2102
iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta,struct dentry * dir)2103 void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw,
2104 struct ieee80211_vif *vif,
2105 struct ieee80211_link_sta *link_sta,
2106 struct dentry *dir)
2107 {
2108 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2109
2110 if (iwl_mvm_has_tlc_offload(mvm)) {
2111 MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400);
2112 }
2113
2114 MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600);
2115 }
2116
iwl_mvm_dbgfs_register(struct iwl_mvm * mvm)2117 void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
2118 {
2119 struct dentry *bcast_dir __maybe_unused;
2120
2121 spin_lock_init(&mvm->drv_stats_lock);
2122
2123 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2124 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2125 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2126 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
2127 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
2128 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
2129 MVM_DEBUGFS_ADD_FILE(start_ctdp, mvm->debugfs_dir, 0200);
2130 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
2131 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
2132 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2133 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2134 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2135 MVM_DEBUGFS_ADD_FILE(fw_system_stats, mvm->debugfs_dir, 0400);
2136 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2137 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2138 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2139 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2140 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2141 MVM_DEBUGFS_ADD_FILE(fw_dbg_clear, mvm->debugfs_dir, 0200);
2142 MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
2143 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2144 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2145 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2146 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2147 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2148 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
2149
2150 if (mvm->fw->phy_integration_ver)
2151 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
2152 MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
2153 #ifdef CONFIG_ACPI
2154 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
2155 MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400);
2156 #endif
2157 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2158
2159 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2160 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2161
2162 debugfs_create_bool("enable_scan_iteration_notif", 0600,
2163 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2164 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2165 &mvm->drop_bcn_ap_mode);
2166
2167 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2168
2169 #ifdef CONFIG_PM_SLEEP
2170 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2171 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2172 &mvm->d3_wake_sysassert);
2173 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2174 &mvm->last_netdetect_scans);
2175 #endif
2176
2177 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2178 &mvm->ps_disabled);
2179 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2180 &mvm->nvm_hw_blob);
2181 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2182 &mvm->nvm_sw_blob);
2183 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2184 &mvm->nvm_calib_blob);
2185 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2186 &mvm->nvm_prod_blob);
2187 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2188 &mvm->nvm_phy_sku_blob);
2189 debugfs_create_blob("nvm_reg", S_IRUSR,
2190 mvm->debugfs_dir, &mvm->nvm_reg_blob);
2191
2192 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
2193 &iwl_dbgfs_mem_ops);
2194
2195 debugfs_create_bool("rx_ts_ptp", 0600, mvm->debugfs_dir,
2196 &mvm->rx_ts_ptp);
2197
2198 /*
2199 * Create a symlink with mac80211. It will be removed when mac80211
2200 * exists (before the opmode exists which removes the target.)
2201 */
2202 if (!IS_ERR(mvm->debugfs_dir)) {
2203 char buf[100];
2204
2205 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
2206 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir,
2207 buf);
2208 }
2209 }
2210