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