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Merge tag 'iwlwifi-next-for-kalle-2016-09-19-2' of git://git.kernel.org/pub/scm/linux...
[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / intel / iwlwifi / mvm / debugfs.c
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) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 Intel Deutschland GmbH
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 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * USA
25 *
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
28 *
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
32 *
33 * BSD LICENSE
34 *
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * All rights reserved.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 *
43 * * Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * * Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in
47 * the documentation and/or other materials provided with the
48 * distribution.
49 * * Neither the name Intel Corporation nor the names of its
50 * contributors may be used to endorse or promote products derived
51 * from this software without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
54 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
55 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
56 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
57 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
59 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *
65 *****************************************************************************/
66 #include <linux/vmalloc.h>
67 #include <linux/ieee80211.h>
68 #include <linux/netdevice.h>
69
70 #include "mvm.h"
71 #include "fw-dbg.h"
72 #include "sta.h"
73 #include "iwl-io.h"
74 #include "debugfs.h"
75 #include "iwl-fw-error-dump.h"
76
77 static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
78 char __user *user_buf,
79 size_t count, loff_t *ppos)
80 {
81 struct iwl_mvm *mvm = file->private_data;
82 char buf[16];
83 int pos, budget;
84
85 if (!mvm->ucode_loaded || mvm->cur_ucode != 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
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 (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
106 return -EIO;
107
108 mutex_lock(&mvm->mutex);
109 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
110 mutex_unlock(&mvm->mutex);
111
112 return ret ?: count;
113 }
114
115 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
116 size_t count, loff_t *ppos)
117 {
118 int ret;
119 u32 scd_q_msk;
120
121 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
122 return -EIO;
123
124 if (sscanf(buf, "%x", &scd_q_msk) != 1)
125 return -EINVAL;
126
127 IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
128
129 mutex_lock(&mvm->mutex);
130 ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count;
131 mutex_unlock(&mvm->mutex);
132
133 return ret;
134 }
135
136 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
137 size_t count, loff_t *ppos)
138 {
139 struct iwl_mvm_sta *mvmsta;
140 int sta_id, drain, ret;
141
142 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
143 return -EIO;
144
145 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
146 return -EINVAL;
147 if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
148 return -EINVAL;
149 if (drain < 0 || drain > 1)
150 return -EINVAL;
151
152 mutex_lock(&mvm->mutex);
153
154 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
155
156 if (!mvmsta)
157 ret = -ENOENT;
158 else
159 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
160
161 mutex_unlock(&mvm->mutex);
162
163 return ret;
164 }
165
166 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
167 size_t count, loff_t *ppos)
168 {
169 struct iwl_mvm *mvm = file->private_data;
170 const struct fw_img *img;
171 unsigned int ofs, len;
172 size_t ret;
173 u8 *ptr;
174
175 if (!mvm->ucode_loaded)
176 return -EINVAL;
177
178 /* default is to dump the entire data segment */
179 img = &mvm->fw->img[mvm->cur_ucode];
180 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
181 len = img->sec[IWL_UCODE_SECTION_DATA].len;
182
183 if (mvm->dbgfs_sram_len) {
184 ofs = mvm->dbgfs_sram_offset;
185 len = mvm->dbgfs_sram_len;
186 }
187
188 ptr = kzalloc(len, GFP_KERNEL);
189 if (!ptr)
190 return -ENOMEM;
191
192 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
193
194 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
195
196 kfree(ptr);
197
198 return ret;
199 }
200
201 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
202 size_t count, loff_t *ppos)
203 {
204 const struct fw_img *img;
205 u32 offset, len;
206 u32 img_offset, img_len;
207
208 if (!mvm->ucode_loaded)
209 return -EINVAL;
210
211 img = &mvm->fw->img[mvm->cur_ucode];
212 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
213 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
214
215 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
216 if ((offset & 0x3) || (len & 0x3))
217 return -EINVAL;
218
219 if (offset + len > img_offset + img_len)
220 return -EINVAL;
221
222 mvm->dbgfs_sram_offset = offset;
223 mvm->dbgfs_sram_len = len;
224 } else {
225 mvm->dbgfs_sram_offset = 0;
226 mvm->dbgfs_sram_len = 0;
227 }
228
229 return count;
230 }
231
232 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
233 char __user *user_buf,
234 size_t count, loff_t *ppos)
235 {
236 struct iwl_mvm *mvm = file->private_data;
237 char buf[16];
238 int pos;
239
240 if (!mvm->temperature_test)
241 pos = scnprintf(buf , sizeof(buf), "disabled\n");
242 else
243 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
244
245 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
246 }
247
248 /*
249 * Set NIC Temperature
250 * Cause the driver to ignore the actual NIC temperature reported by the FW
251 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
252 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
253 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
254 */
255 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
256 char *buf, size_t count,
257 loff_t *ppos)
258 {
259 int temperature;
260
261 if (!mvm->ucode_loaded && !mvm->temperature_test)
262 return -EIO;
263
264 if (kstrtoint(buf, 10, &temperature))
265 return -EINVAL;
266 /* not a legal temperature */
267 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
268 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
269 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
270 return -EINVAL;
271
272 mutex_lock(&mvm->mutex);
273 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
274 if (!mvm->temperature_test)
275 goto out;
276
277 mvm->temperature_test = false;
278 /* Since we can't read the temp while awake, just set
279 * it to zero until we get the next RX stats from the
280 * firmware.
281 */
282 mvm->temperature = 0;
283 } else {
284 mvm->temperature_test = true;
285 mvm->temperature = temperature;
286 }
287 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
288 mvm->temperature_test ? "En" : "Dis" ,
289 mvm->temperature);
290 /* handle the temperature change */
291 iwl_mvm_tt_handler(mvm);
292
293 out:
294 mutex_unlock(&mvm->mutex);
295
296 return count;
297 }
298
299 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
300 char __user *user_buf,
301 size_t count, loff_t *ppos)
302 {
303 struct iwl_mvm *mvm = file->private_data;
304 char buf[16];
305 int pos, ret;
306 s32 temp;
307
308 if (!mvm->ucode_loaded)
309 return -EIO;
310
311 mutex_lock(&mvm->mutex);
312 ret = iwl_mvm_get_temp(mvm, &temp);
313 mutex_unlock(&mvm->mutex);
314
315 if (ret)
316 return -EIO;
317
318 pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
319
320 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
321 }
322
323 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
324 size_t count, loff_t *ppos)
325 {
326 struct iwl_mvm *mvm = file->private_data;
327 struct ieee80211_sta *sta;
328 char buf[400];
329 int i, pos = 0, bufsz = sizeof(buf);
330
331 mutex_lock(&mvm->mutex);
332
333 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
334 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
335 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
336 lockdep_is_held(&mvm->mutex));
337 if (!sta)
338 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
339 else if (IS_ERR(sta))
340 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
341 PTR_ERR(sta));
342 else
343 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
344 sta->addr);
345 }
346
347 mutex_unlock(&mvm->mutex);
348
349 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
350 }
351
352 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
353 char __user *user_buf,
354 size_t count, loff_t *ppos)
355 {
356 struct iwl_mvm *mvm = file->private_data;
357 char buf[64];
358 int bufsz = sizeof(buf);
359 int pos = 0;
360
361 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
362 mvm->disable_power_off);
363 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
364 mvm->disable_power_off_d3);
365
366 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
367 }
368
369 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
370 size_t count, loff_t *ppos)
371 {
372 int ret, val;
373
374 if (!mvm->ucode_loaded)
375 return -EIO;
376
377 if (!strncmp("disable_power_off_d0=", buf, 21)) {
378 if (sscanf(buf + 21, "%d", &val) != 1)
379 return -EINVAL;
380 mvm->disable_power_off = val;
381 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
382 if (sscanf(buf + 21, "%d", &val) != 1)
383 return -EINVAL;
384 mvm->disable_power_off_d3 = val;
385 } else {
386 return -EINVAL;
387 }
388
389 mutex_lock(&mvm->mutex);
390 ret = iwl_mvm_power_update_device(mvm);
391 mutex_unlock(&mvm->mutex);
392
393 return ret ?: count;
394 }
395
396 #define BT_MBOX_MSG(_notif, _num, _field) \
397 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
398 >> BT_MBOX##_num##_##_field##_POS)
399
400
401 #define BT_MBOX_PRINT(_num, _field, _end) \
402 pos += scnprintf(buf + pos, bufsz - pos, \
403 "\t%s: %d%s", \
404 #_field, \
405 BT_MBOX_MSG(notif, _num, _field), \
406 true ? "\n" : ", ");
407
408 static
409 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
410 int pos, int bufsz)
411 {
412 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
413
414 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
415 BT_MBOX_PRINT(0, LE_PROF1, false);
416 BT_MBOX_PRINT(0, LE_PROF2, false);
417 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
418 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
419 BT_MBOX_PRINT(0, INBAND_S, false);
420 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
421 BT_MBOX_PRINT(0, LE_SCAN, false);
422 BT_MBOX_PRINT(0, LE_ADV, false);
423 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
424 BT_MBOX_PRINT(0, OPEN_CON_1, true);
425
426 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
427
428 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
429 BT_MBOX_PRINT(1, IP_SR, false);
430 BT_MBOX_PRINT(1, LE_MSTR, false);
431 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
432 BT_MBOX_PRINT(1, MSG_TYPE, false);
433 BT_MBOX_PRINT(1, SSN, true);
434
435 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
436
437 BT_MBOX_PRINT(2, SNIFF_ACT, false);
438 BT_MBOX_PRINT(2, PAG, false);
439 BT_MBOX_PRINT(2, INQUIRY, false);
440 BT_MBOX_PRINT(2, CONN, false);
441 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
442 BT_MBOX_PRINT(2, DISC, false);
443 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
444 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
445 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
446 BT_MBOX_PRINT(2, SCO_DURATION, true);
447
448 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
449
450 BT_MBOX_PRINT(3, SCO_STATE, false);
451 BT_MBOX_PRINT(3, SNIFF_STATE, false);
452 BT_MBOX_PRINT(3, A2DP_STATE, false);
453 BT_MBOX_PRINT(3, ACL_STATE, false);
454 BT_MBOX_PRINT(3, MSTR_STATE, false);
455 BT_MBOX_PRINT(3, OBX_STATE, false);
456 BT_MBOX_PRINT(3, OPEN_CON_2, false);
457 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
458 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
459 BT_MBOX_PRINT(3, INBAND_P, false);
460 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
461 BT_MBOX_PRINT(3, SSN_2, false);
462 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
463
464 return pos;
465 }
466
467 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
468 size_t count, loff_t *ppos)
469 {
470 struct iwl_mvm *mvm = file->private_data;
471 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
472 char *buf;
473 int ret, pos = 0, bufsz = sizeof(char) * 1024;
474
475 buf = kmalloc(bufsz, GFP_KERNEL);
476 if (!buf)
477 return -ENOMEM;
478
479 mutex_lock(&mvm->mutex);
480
481 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
482
483 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
484 notif->bt_ci_compliance);
485 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
486 le32_to_cpu(notif->primary_ch_lut));
487 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
488 le32_to_cpu(notif->secondary_ch_lut));
489 pos += scnprintf(buf + pos,
490 bufsz - pos, "bt_activity_grading = %d\n",
491 le32_to_cpu(notif->bt_activity_grading));
492 pos += scnprintf(buf + pos, bufsz - pos,
493 "antenna isolation = %d CORUN LUT index = %d\n",
494 mvm->last_ant_isol, mvm->last_corun_lut);
495 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
496 (notif->ttc_rrc_status >> 4) & 0xF);
497 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
498 notif->ttc_rrc_status & 0xF);
499
500 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
501 IWL_MVM_BT_COEX_SYNC2SCO);
502 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
503 IWL_MVM_BT_COEX_MPLUT);
504 pos += scnprintf(buf + pos, bufsz - pos, "corunning = %d\n",
505 IWL_MVM_BT_COEX_CORUNNING);
506
507 mutex_unlock(&mvm->mutex);
508
509 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
510 kfree(buf);
511
512 return ret;
513 }
514 #undef BT_MBOX_PRINT
515
516 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
517 size_t count, loff_t *ppos)
518 {
519 struct iwl_mvm *mvm = file->private_data;
520 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
521 char buf[256];
522 int bufsz = sizeof(buf);
523 int pos = 0;
524
525 mutex_lock(&mvm->mutex);
526
527 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
528 pos += scnprintf(buf + pos, bufsz - pos,
529 "\tPrimary Channel Bitmap 0x%016llx\n",
530 le64_to_cpu(cmd->bt_primary_ci));
531 pos += scnprintf(buf + pos, bufsz - pos,
532 "\tSecondary Channel Bitmap 0x%016llx\n",
533 le64_to_cpu(cmd->bt_secondary_ci));
534
535 mutex_unlock(&mvm->mutex);
536
537 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
538 }
539
540 static ssize_t
541 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
542 size_t count, loff_t *ppos)
543 {
544 u32 bt_tx_prio;
545
546 if (sscanf(buf, "%u", &bt_tx_prio) != 1)
547 return -EINVAL;
548 if (bt_tx_prio > 4)
549 return -EINVAL;
550
551 mvm->bt_tx_prio = bt_tx_prio;
552
553 return count;
554 }
555
556 static ssize_t
557 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
558 size_t count, loff_t *ppos)
559 {
560 static const char * const modes_str[BT_FORCE_ANT_MAX] = {
561 [BT_FORCE_ANT_DIS] = "dis",
562 [BT_FORCE_ANT_AUTO] = "auto",
563 [BT_FORCE_ANT_BT] = "bt",
564 [BT_FORCE_ANT_WIFI] = "wifi",
565 };
566 int ret, bt_force_ant_mode;
567
568 for (bt_force_ant_mode = 0;
569 bt_force_ant_mode < ARRAY_SIZE(modes_str);
570 bt_force_ant_mode++) {
571 if (!strcmp(buf, modes_str[bt_force_ant_mode]))
572 break;
573 }
574
575 if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
576 return -EINVAL;
577
578 ret = 0;
579 mutex_lock(&mvm->mutex);
580 if (mvm->bt_force_ant_mode == bt_force_ant_mode)
581 goto out;
582
583 mvm->bt_force_ant_mode = bt_force_ant_mode;
584 IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
585 modes_str[mvm->bt_force_ant_mode]);
586 ret = iwl_send_bt_init_conf(mvm);
587
588 out:
589 mutex_unlock(&mvm->mutex);
590 return ret ?: count;
591 }
592
593 #define PRINT_STATS_LE32(_struct, _memb) \
594 pos += scnprintf(buf + pos, bufsz - pos, \
595 fmt_table, #_memb, \
596 le32_to_cpu(_struct->_memb))
597
598 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
599 char __user *user_buf, size_t count,
600 loff_t *ppos)
601 {
602 struct iwl_mvm *mvm = file->private_data;
603 static const char *fmt_table = "\t%-30s %10u\n";
604 static const char *fmt_header = "%-32s\n";
605 int pos = 0;
606 char *buf;
607 int ret;
608 /* 43 is the size of each data line, 33 is the size of each header */
609 size_t bufsz =
610 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
611 (4 * 33) + 1;
612
613 struct mvm_statistics_rx_phy *ofdm;
614 struct mvm_statistics_rx_phy *cck;
615 struct mvm_statistics_rx_non_phy *general;
616 struct mvm_statistics_rx_ht_phy *ht;
617
618 buf = kzalloc(bufsz, GFP_KERNEL);
619 if (!buf)
620 return -ENOMEM;
621
622 mutex_lock(&mvm->mutex);
623
624 ofdm = &mvm->rx_stats.ofdm;
625 cck = &mvm->rx_stats.cck;
626 general = &mvm->rx_stats.general;
627 ht = &mvm->rx_stats.ofdm_ht;
628
629 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
630 "Statistics_Rx - OFDM");
631 PRINT_STATS_LE32(ofdm, ina_cnt);
632 PRINT_STATS_LE32(ofdm, fina_cnt);
633 PRINT_STATS_LE32(ofdm, plcp_err);
634 PRINT_STATS_LE32(ofdm, crc32_err);
635 PRINT_STATS_LE32(ofdm, overrun_err);
636 PRINT_STATS_LE32(ofdm, early_overrun_err);
637 PRINT_STATS_LE32(ofdm, crc32_good);
638 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
639 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
640 PRINT_STATS_LE32(ofdm, sfd_timeout);
641 PRINT_STATS_LE32(ofdm, fina_timeout);
642 PRINT_STATS_LE32(ofdm, unresponded_rts);
643 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
644 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
645 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
646 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
647 PRINT_STATS_LE32(ofdm, dsp_self_kill);
648 PRINT_STATS_LE32(ofdm, mh_format_err);
649 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
650 PRINT_STATS_LE32(ofdm, reserved);
651
652 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
653 "Statistics_Rx - CCK");
654 PRINT_STATS_LE32(cck, ina_cnt);
655 PRINT_STATS_LE32(cck, fina_cnt);
656 PRINT_STATS_LE32(cck, plcp_err);
657 PRINT_STATS_LE32(cck, crc32_err);
658 PRINT_STATS_LE32(cck, overrun_err);
659 PRINT_STATS_LE32(cck, early_overrun_err);
660 PRINT_STATS_LE32(cck, crc32_good);
661 PRINT_STATS_LE32(cck, false_alarm_cnt);
662 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
663 PRINT_STATS_LE32(cck, sfd_timeout);
664 PRINT_STATS_LE32(cck, fina_timeout);
665 PRINT_STATS_LE32(cck, unresponded_rts);
666 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
667 PRINT_STATS_LE32(cck, sent_ack_cnt);
668 PRINT_STATS_LE32(cck, sent_cts_cnt);
669 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
670 PRINT_STATS_LE32(cck, dsp_self_kill);
671 PRINT_STATS_LE32(cck, mh_format_err);
672 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
673 PRINT_STATS_LE32(cck, reserved);
674
675 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
676 "Statistics_Rx - GENERAL");
677 PRINT_STATS_LE32(general, bogus_cts);
678 PRINT_STATS_LE32(general, bogus_ack);
679 PRINT_STATS_LE32(general, non_bssid_frames);
680 PRINT_STATS_LE32(general, filtered_frames);
681 PRINT_STATS_LE32(general, non_channel_beacons);
682 PRINT_STATS_LE32(general, channel_beacons);
683 PRINT_STATS_LE32(general, num_missed_bcon);
684 PRINT_STATS_LE32(general, adc_rx_saturation_time);
685 PRINT_STATS_LE32(general, ina_detection_search_time);
686 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
687 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
688 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
689 PRINT_STATS_LE32(general, interference_data_flag);
690 PRINT_STATS_LE32(general, channel_load);
691 PRINT_STATS_LE32(general, dsp_false_alarms);
692 PRINT_STATS_LE32(general, beacon_rssi_a);
693 PRINT_STATS_LE32(general, beacon_rssi_b);
694 PRINT_STATS_LE32(general, beacon_rssi_c);
695 PRINT_STATS_LE32(general, beacon_energy_a);
696 PRINT_STATS_LE32(general, beacon_energy_b);
697 PRINT_STATS_LE32(general, beacon_energy_c);
698 PRINT_STATS_LE32(general, num_bt_kills);
699 PRINT_STATS_LE32(general, mac_id);
700 PRINT_STATS_LE32(general, directed_data_mpdu);
701
702 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
703 "Statistics_Rx - HT");
704 PRINT_STATS_LE32(ht, plcp_err);
705 PRINT_STATS_LE32(ht, overrun_err);
706 PRINT_STATS_LE32(ht, early_overrun_err);
707 PRINT_STATS_LE32(ht, crc32_good);
708 PRINT_STATS_LE32(ht, crc32_err);
709 PRINT_STATS_LE32(ht, mh_format_err);
710 PRINT_STATS_LE32(ht, agg_crc32_good);
711 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
712 PRINT_STATS_LE32(ht, agg_cnt);
713 PRINT_STATS_LE32(ht, unsupport_mcs);
714
715 mutex_unlock(&mvm->mutex);
716
717 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
718 kfree(buf);
719
720 return ret;
721 }
722 #undef PRINT_STAT_LE32
723
724 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
725 char __user *user_buf, size_t count,
726 loff_t *ppos,
727 struct iwl_mvm_frame_stats *stats)
728 {
729 char *buff, *pos, *endpos;
730 int idx, i;
731 int ret;
732 static const size_t bufsz = 1024;
733
734 buff = kmalloc(bufsz, GFP_KERNEL);
735 if (!buff)
736 return -ENOMEM;
737
738 spin_lock_bh(&mvm->drv_stats_lock);
739
740 pos = buff;
741 endpos = pos + bufsz;
742
743 pos += scnprintf(pos, endpos - pos,
744 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
745 stats->legacy_frames,
746 stats->ht_frames,
747 stats->vht_frames);
748 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
749 stats->bw_20_frames,
750 stats->bw_40_frames,
751 stats->bw_80_frames);
752 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
753 stats->ngi_frames,
754 stats->sgi_frames);
755 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
756 stats->siso_frames,
757 stats->mimo2_frames);
758 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
759 stats->fail_frames,
760 stats->success_frames);
761 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
762 stats->agg_frames);
763 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
764 stats->ampdu_count);
765 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
766 stats->ampdu_count > 0 ?
767 (stats->agg_frames / stats->ampdu_count) : 0);
768
769 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
770
771 idx = stats->last_frame_idx - 1;
772 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
773 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
774 if (stats->last_rates[idx] == 0)
775 continue;
776 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
777 (int)(ARRAY_SIZE(stats->last_rates) - i));
778 pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
779 }
780 spin_unlock_bh(&mvm->drv_stats_lock);
781
782 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
783 kfree(buff);
784
785 return ret;
786 }
787
788 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
789 char __user *user_buf, size_t count,
790 loff_t *ppos)
791 {
792 struct iwl_mvm *mvm = file->private_data;
793
794 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
795 &mvm->drv_rx_stats);
796 }
797
798 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
799 size_t count, loff_t *ppos)
800 {
801 int ret;
802
803 mutex_lock(&mvm->mutex);
804
805 /* allow one more restart that we're provoking here */
806 if (mvm->restart_fw >= 0)
807 mvm->restart_fw++;
808
809 /* take the return value to make compiler happy - it will fail anyway */
810 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
811
812 mutex_unlock(&mvm->mutex);
813
814 return count;
815 }
816
817 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
818 size_t count, loff_t *ppos)
819 {
820 int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
821 if (ret)
822 return ret;
823
824 iwl_force_nmi(mvm->trans);
825
826 iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
827
828 return count;
829 }
830
831 static ssize_t
832 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
833 char __user *user_buf,
834 size_t count, loff_t *ppos)
835 {
836 struct iwl_mvm *mvm = file->private_data;
837 int pos = 0;
838 char buf[32];
839 const size_t bufsz = sizeof(buf);
840
841 /* print which antennas were set for the scan command by the user */
842 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
843 if (mvm->scan_rx_ant & ANT_A)
844 pos += scnprintf(buf + pos, bufsz - pos, "A");
845 if (mvm->scan_rx_ant & ANT_B)
846 pos += scnprintf(buf + pos, bufsz - pos, "B");
847 if (mvm->scan_rx_ant & ANT_C)
848 pos += scnprintf(buf + pos, bufsz - pos, "C");
849 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
850
851 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
852 }
853
854 static ssize_t
855 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
856 size_t count, loff_t *ppos)
857 {
858 u8 scan_rx_ant;
859
860 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
861 return -EINVAL;
862 if (scan_rx_ant > ANT_ABC)
863 return -EINVAL;
864 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
865 return -EINVAL;
866
867 if (mvm->scan_rx_ant != scan_rx_ant) {
868 mvm->scan_rx_ant = scan_rx_ant;
869 if (fw_has_capa(&mvm->fw->ucode_capa,
870 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
871 iwl_mvm_config_scan(mvm);
872 }
873
874 return count;
875 }
876
877 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
878 char *buf, size_t count,
879 loff_t *ppos)
880 {
881 struct iwl_rss_config_cmd cmd = {
882 .flags = cpu_to_le32(IWL_RSS_ENABLE),
883 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
884 IWL_RSS_HASH_TYPE_IPV4_UDP |
885 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
886 IWL_RSS_HASH_TYPE_IPV6_TCP |
887 IWL_RSS_HASH_TYPE_IPV6_UDP |
888 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
889 };
890 int ret, i, num_repeats, nbytes = count / 2;
891
892 ret = hex2bin(cmd.indirection_table, buf, nbytes);
893 if (ret)
894 return ret;
895
896 /*
897 * The input is the redirection table, partial or full.
898 * Repeat the pattern if needed.
899 * For example, input of 01020F will be repeated 42 times,
900 * indirecting RSS hash results to queues 1, 2, 15 (skipping
901 * queues 3 - 14).
902 */
903 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
904 for (i = 1; i < num_repeats; i++)
905 memcpy(&cmd.indirection_table[i * nbytes],
906 cmd.indirection_table, nbytes);
907 /* handle cut in the middle pattern for the last places */
908 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
909 ARRAY_SIZE(cmd.indirection_table) % nbytes);
910
911 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
912
913 mutex_lock(&mvm->mutex);
914 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
915 mutex_unlock(&mvm->mutex);
916
917 return ret ?: count;
918 }
919
920 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
921 char *buf, size_t count,
922 loff_t *ppos)
923 {
924 struct iwl_rx_cmd_buffer rxb = {
925 ._rx_page_order = 0,
926 .truesize = 0, /* not used */
927 ._offset = 0,
928 };
929 struct iwl_rx_packet *pkt;
930 struct iwl_rx_mpdu_desc *desc;
931 int bin_len = count / 2;
932 int ret = -EINVAL;
933
934 /* supporting only 9000 descriptor */
935 if (!mvm->trans->cfg->mq_rx_supported)
936 return -ENOTSUPP;
937
938 rxb._page = alloc_pages(GFP_ATOMIC, 0);
939 if (!rxb._page)
940 return -ENOMEM;
941 pkt = rxb_addr(&rxb);
942
943 ret = hex2bin(page_address(rxb._page), buf, bin_len);
944 if (ret)
945 goto out;
946
947 /* avoid invalid memory access */
948 if (bin_len < sizeof(*pkt) + sizeof(*desc))
949 goto out;
950
951 /* check this is RX packet */
952 if (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd) !=
953 WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))
954 goto out;
955
956 /* check the length in metadata matches actual received length */
957 desc = (void *)pkt->data;
958 if (le16_to_cpu(desc->mpdu_len) !=
959 (bin_len - sizeof(*desc) - sizeof(*pkt)))
960 goto out;
961
962 local_bh_disable();
963 iwl_mvm_rx_mpdu_mq(mvm, NULL, &rxb, 0);
964 local_bh_enable();
965 ret = 0;
966
967 out:
968 iwl_free_rxb(&rxb);
969
970 return ret ?: count;
971 }
972
973 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
974 char __user *user_buf,
975 size_t count, loff_t *ppos)
976 {
977 struct iwl_mvm *mvm = file->private_data;
978 int conf;
979 char buf[8];
980 const size_t bufsz = sizeof(buf);
981 int pos = 0;
982
983 mutex_lock(&mvm->mutex);
984 conf = mvm->fw_dbg_conf;
985 mutex_unlock(&mvm->mutex);
986
987 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
988
989 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
990 }
991
992 /*
993 * Enable / Disable continuous recording.
994 * Cause the FW to start continuous recording, by sending the relevant hcmd.
995 * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING.
996 * Disable: for 0 as input, DISABLE_CONT_RECORDING.
997 */
998 static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm,
999 char *buf, size_t count,
1000 loff_t *ppos)
1001 {
1002 struct iwl_trans *trans = mvm->trans;
1003 const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv;
1004 struct iwl_continuous_record_cmd cont_rec = {};
1005 int ret, rec_mode;
1006
1007 if (!dest)
1008 return -EOPNOTSUPP;
1009
1010 if (dest->monitor_mode != SMEM_MODE ||
1011 trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
1012 return -EOPNOTSUPP;
1013
1014 ret = kstrtoint(buf, 0, &rec_mode);
1015 if (ret)
1016 return ret;
1017
1018 cont_rec.record_mode.enable_recording = rec_mode ?
1019 cpu_to_le16(ENABLE_CONT_RECORDING) :
1020 cpu_to_le16(DISABLE_CONT_RECORDING);
1021
1022 mutex_lock(&mvm->mutex);
1023 ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0,
1024 sizeof(cont_rec), &cont_rec);
1025 mutex_unlock(&mvm->mutex);
1026
1027 return ret ?: count;
1028 }
1029
1030 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1031 char *buf, size_t count,
1032 loff_t *ppos)
1033 {
1034 unsigned int conf_id;
1035 int ret;
1036
1037 ret = kstrtouint(buf, 0, &conf_id);
1038 if (ret)
1039 return ret;
1040
1041 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1042 return -EINVAL;
1043
1044 mutex_lock(&mvm->mutex);
1045 ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id);
1046 mutex_unlock(&mvm->mutex);
1047
1048 return ret ?: count;
1049 }
1050
1051 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1052 char *buf, size_t count,
1053 loff_t *ppos)
1054 {
1055 int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1056
1057 if (ret)
1058 return ret;
1059
1060 iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf,
1061 (count - 1), NULL);
1062
1063 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1064
1065 return count;
1066 }
1067
1068 static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm,
1069 char *buf, size_t count,
1070 loff_t *ppos)
1071 {
1072 unsigned int max_amsdu_len;
1073 int ret;
1074
1075 ret = kstrtouint(buf, 0, &max_amsdu_len);
1076 if (ret)
1077 return ret;
1078
1079 if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454)
1080 return -EINVAL;
1081 mvm->max_amsdu_len = max_amsdu_len;
1082
1083 return count;
1084 }
1085
1086 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1087 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1088 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1089 char __user *user_buf,
1090 size_t count, loff_t *ppos)
1091 {
1092 struct iwl_mvm *mvm = file->private_data;
1093 struct iwl_bcast_filter_cmd cmd;
1094 const struct iwl_fw_bcast_filter *filter;
1095 char *buf;
1096 int bufsz = 1024;
1097 int i, j, pos = 0;
1098 ssize_t ret;
1099
1100 buf = kzalloc(bufsz, GFP_KERNEL);
1101 if (!buf)
1102 return -ENOMEM;
1103
1104 mutex_lock(&mvm->mutex);
1105 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1106 ADD_TEXT("None\n");
1107 mutex_unlock(&mvm->mutex);
1108 goto out;
1109 }
1110 mutex_unlock(&mvm->mutex);
1111
1112 for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1113 filter = &cmd.filters[i];
1114
1115 ADD_TEXT("Filter [%d]:\n", i);
1116 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1117 ADD_TEXT("\tFrame Type: %s\n",
1118 filter->frame_type ? "IPv4" : "Generic");
1119
1120 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1121 const struct iwl_fw_bcast_filter_attr *attr;
1122
1123 attr = &filter->attrs[j];
1124 if (!attr->mask)
1125 break;
1126
1127 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1128 j, attr->offset,
1129 attr->offset_type ? "IP End" :
1130 "Payload Start",
1131 be32_to_cpu(attr->mask),
1132 be32_to_cpu(attr->val),
1133 le16_to_cpu(attr->reserved1));
1134 }
1135 }
1136 out:
1137 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1138 kfree(buf);
1139 return ret;
1140 }
1141
1142 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1143 size_t count, loff_t *ppos)
1144 {
1145 int pos, next_pos;
1146 struct iwl_fw_bcast_filter filter = {};
1147 struct iwl_bcast_filter_cmd cmd;
1148 u32 filter_id, attr_id, mask, value;
1149 int err = 0;
1150
1151 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1152 &filter.frame_type, &pos) != 3)
1153 return -EINVAL;
1154
1155 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1156 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1157 return -EINVAL;
1158
1159 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1160 attr_id++) {
1161 struct iwl_fw_bcast_filter_attr *attr =
1162 &filter.attrs[attr_id];
1163
1164 if (pos >= count)
1165 break;
1166
1167 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1168 &attr->offset, &attr->offset_type,
1169 &mask, &value, &next_pos) != 4)
1170 return -EINVAL;
1171
1172 attr->mask = cpu_to_be32(mask);
1173 attr->val = cpu_to_be32(value);
1174 if (mask)
1175 filter.num_attrs++;
1176
1177 pos += next_pos;
1178 }
1179
1180 mutex_lock(&mvm->mutex);
1181 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1182 &filter, sizeof(filter));
1183
1184 /* send updated bcast filtering configuration */
1185 if (mvm->dbgfs_bcast_filtering.override &&
1186 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1187 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1188 sizeof(cmd), &cmd);
1189 mutex_unlock(&mvm->mutex);
1190
1191 return err ?: count;
1192 }
1193
1194 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1195 char __user *user_buf,
1196 size_t count, loff_t *ppos)
1197 {
1198 struct iwl_mvm *mvm = file->private_data;
1199 struct iwl_bcast_filter_cmd cmd;
1200 char *buf;
1201 int bufsz = 1024;
1202 int i, pos = 0;
1203 ssize_t ret;
1204
1205 buf = kzalloc(bufsz, GFP_KERNEL);
1206 if (!buf)
1207 return -ENOMEM;
1208
1209 mutex_lock(&mvm->mutex);
1210 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1211 ADD_TEXT("None\n");
1212 mutex_unlock(&mvm->mutex);
1213 goto out;
1214 }
1215 mutex_unlock(&mvm->mutex);
1216
1217 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1218 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1219
1220 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1221 i, mac->default_discard, mac->attached_filters);
1222 }
1223 out:
1224 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1225 kfree(buf);
1226 return ret;
1227 }
1228
1229 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1230 char *buf, size_t count,
1231 loff_t *ppos)
1232 {
1233 struct iwl_bcast_filter_cmd cmd;
1234 struct iwl_fw_bcast_mac mac = {};
1235 u32 mac_id, attached_filters;
1236 int err = 0;
1237
1238 if (!mvm->bcast_filters)
1239 return -ENOENT;
1240
1241 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1242 &attached_filters) != 3)
1243 return -EINVAL;
1244
1245 if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1246 mac.default_discard > 1 ||
1247 attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1248 return -EINVAL;
1249
1250 mac.attached_filters = cpu_to_le16(attached_filters);
1251
1252 mutex_lock(&mvm->mutex);
1253 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1254 &mac, sizeof(mac));
1255
1256 /* send updated bcast filtering configuration */
1257 if (mvm->dbgfs_bcast_filtering.override &&
1258 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1259 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1260 sizeof(cmd), &cmd);
1261 mutex_unlock(&mvm->mutex);
1262
1263 return err ?: count;
1264 }
1265 #endif
1266
1267 #ifdef CONFIG_PM_SLEEP
1268 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
1269 size_t count, loff_t *ppos)
1270 {
1271 int store;
1272
1273 if (sscanf(buf, "%d", &store) != 1)
1274 return -EINVAL;
1275
1276 mvm->store_d3_resume_sram = store;
1277
1278 return count;
1279 }
1280
1281 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1282 size_t count, loff_t *ppos)
1283 {
1284 struct iwl_mvm *mvm = file->private_data;
1285 const struct fw_img *img;
1286 int ofs, len, pos = 0;
1287 size_t bufsz, ret;
1288 char *buf;
1289 u8 *ptr = mvm->d3_resume_sram;
1290
1291 img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1292 len = img->sec[IWL_UCODE_SECTION_DATA].len;
1293
1294 bufsz = len * 4 + 256;
1295 buf = kzalloc(bufsz, GFP_KERNEL);
1296 if (!buf)
1297 return -ENOMEM;
1298
1299 pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1300 mvm->store_d3_resume_sram ? "en" : "dis");
1301
1302 if (ptr) {
1303 for (ofs = 0; ofs < len; ofs += 16) {
1304 pos += scnprintf(buf + pos, bufsz - pos,
1305 "0x%.4x %16ph\n", ofs, ptr + ofs);
1306 }
1307 } else {
1308 pos += scnprintf(buf + pos, bufsz - pos,
1309 "(no data captured)\n");
1310 }
1311
1312 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1313
1314 kfree(buf);
1315
1316 return ret;
1317 }
1318 #endif
1319
1320 #define PRINT_MVM_REF(ref) do { \
1321 if (mvm->refs[ref]) \
1322 pos += scnprintf(buf + pos, bufsz - pos, \
1323 "\t(0x%lx): %d %s\n", \
1324 BIT(ref), mvm->refs[ref], #ref); \
1325 } while (0)
1326
1327 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
1328 char __user *user_buf,
1329 size_t count, loff_t *ppos)
1330 {
1331 struct iwl_mvm *mvm = file->private_data;
1332 int i, pos = 0;
1333 char buf[256];
1334 const size_t bufsz = sizeof(buf);
1335 u32 refs = 0;
1336
1337 for (i = 0; i < IWL_MVM_REF_COUNT; i++)
1338 if (mvm->refs[i])
1339 refs |= BIT(i);
1340
1341 pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
1342 refs);
1343
1344 PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
1345 PRINT_MVM_REF(IWL_MVM_REF_SCAN);
1346 PRINT_MVM_REF(IWL_MVM_REF_ROC);
1347 PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX);
1348 PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
1349 PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
1350 PRINT_MVM_REF(IWL_MVM_REF_USER);
1351 PRINT_MVM_REF(IWL_MVM_REF_TX);
1352 PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
1353 PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
1354 PRINT_MVM_REF(IWL_MVM_REF_START_AP);
1355 PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
1356 PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
1357 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
1358 PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
1359 PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
1360 PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
1361 PRINT_MVM_REF(IWL_MVM_REF_NMI);
1362 PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
1363 PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
1364 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
1365 PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
1366 PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE);
1367 PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD);
1368 PRINT_MVM_REF(IWL_MVM_REF_RX);
1369
1370 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1371 }
1372
1373 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
1374 size_t count, loff_t *ppos)
1375 {
1376 unsigned long value;
1377 int ret;
1378 bool taken;
1379
1380 ret = kstrtoul(buf, 10, &value);
1381 if (ret < 0)
1382 return ret;
1383
1384 mutex_lock(&mvm->mutex);
1385
1386 taken = mvm->refs[IWL_MVM_REF_USER];
1387 if (value == 1 && !taken)
1388 iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
1389 else if (value == 0 && taken)
1390 iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
1391 else
1392 ret = -EINVAL;
1393
1394 mutex_unlock(&mvm->mutex);
1395
1396 if (ret < 0)
1397 return ret;
1398 return count;
1399 }
1400
1401 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1402 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1403 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1404 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1405 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1406 if (!debugfs_create_file(alias, mode, parent, mvm, \
1407 &iwl_dbgfs_##name##_ops)) \
1408 goto err; \
1409 } while (0)
1410 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1411 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1412
1413 static ssize_t
1414 iwl_dbgfs_prph_reg_read(struct file *file,
1415 char __user *user_buf,
1416 size_t count, loff_t *ppos)
1417 {
1418 struct iwl_mvm *mvm = file->private_data;
1419 int pos = 0;
1420 char buf[32];
1421 const size_t bufsz = sizeof(buf);
1422 int ret;
1423
1424 if (!mvm->dbgfs_prph_reg_addr)
1425 return -EINVAL;
1426
1427 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
1428 if (ret)
1429 return ret;
1430
1431 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1432 mvm->dbgfs_prph_reg_addr,
1433 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1434
1435 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
1436
1437 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1438 }
1439
1440 static ssize_t
1441 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1442 size_t count, loff_t *ppos)
1443 {
1444 u8 args;
1445 u32 value;
1446 int ret;
1447
1448 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1449 /* if we only want to set the reg address - nothing more to do */
1450 if (args == 1)
1451 goto out;
1452
1453 /* otherwise, make sure we have both address and value */
1454 if (args != 2)
1455 return -EINVAL;
1456
1457 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1458 if (ret)
1459 return ret;
1460
1461 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1462
1463 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1464 out:
1465 return count;
1466 }
1467
1468 static ssize_t
1469 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1470 size_t count, loff_t *ppos)
1471 {
1472 int ret;
1473
1474 mutex_lock(&mvm->mutex);
1475 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1476 mutex_unlock(&mvm->mutex);
1477
1478 return ret ?: count;
1479 }
1480
1481 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1482
1483 /* Device wide debugfs entries */
1484 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1485 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1486 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1487 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1488 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1489 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1490 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1491 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1492 MVM_DEBUGFS_READ_FILE_OPS(stations);
1493 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1494 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1495 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1496 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1497 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1498 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1499 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1500 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1501 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1502 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1503 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
1504 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1505 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1506 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8);
1507 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8);
1508 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1509 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1510 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1511
1512 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1513 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1514 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1515 #endif
1516
1517 #ifdef CONFIG_PM_SLEEP
1518 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
1519 #endif
1520
1521 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1522 size_t count, loff_t *ppos)
1523 {
1524 struct iwl_mvm *mvm = file->private_data;
1525 struct iwl_dbg_mem_access_cmd cmd = {};
1526 struct iwl_dbg_mem_access_rsp *rsp;
1527 struct iwl_host_cmd hcmd = {
1528 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1529 .data = { &cmd, },
1530 .len = { sizeof(cmd) },
1531 };
1532 size_t delta, len;
1533 ssize_t ret;
1534
1535 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1536 DEBUG_GROUP, 0);
1537 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1538
1539 /* Take care of alignment of both the position and the length */
1540 delta = *ppos & 0x3;
1541 cmd.addr = cpu_to_le32(*ppos - delta);
1542 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1543 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1544
1545 mutex_lock(&mvm->mutex);
1546 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1547 mutex_unlock(&mvm->mutex);
1548
1549 if (ret < 0)
1550 return ret;
1551
1552 rsp = (void *)hcmd.resp_pkt->data;
1553 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1554 ret = -ENXIO;
1555 goto out;
1556 }
1557
1558 len = min((size_t)le32_to_cpu(rsp->len) << 2,
1559 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
1560 len = min(len - delta, count);
1561 if (len < 0) {
1562 ret = -EFAULT;
1563 goto out;
1564 }
1565
1566 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len);
1567 *ppos += ret;
1568
1569 out:
1570 iwl_free_resp(&hcmd);
1571 return ret;
1572 }
1573
1574 static ssize_t iwl_dbgfs_mem_write(struct file *file,
1575 const char __user *user_buf, size_t count,
1576 loff_t *ppos)
1577 {
1578 struct iwl_mvm *mvm = file->private_data;
1579 struct iwl_dbg_mem_access_cmd *cmd;
1580 struct iwl_dbg_mem_access_rsp *rsp;
1581 struct iwl_host_cmd hcmd = {};
1582 size_t cmd_size;
1583 size_t data_size;
1584 u32 op, len;
1585 ssize_t ret;
1586
1587 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1588 DEBUG_GROUP, 0);
1589
1590 if (*ppos & 0x3 || count < 4) {
1591 op = DEBUG_MEM_OP_WRITE_BYTES;
1592 len = min(count, (size_t)(4 - (*ppos & 0x3)));
1593 data_size = len;
1594 } else {
1595 op = DEBUG_MEM_OP_WRITE;
1596 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
1597 data_size = len << 2;
1598 }
1599
1600 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
1601 cmd = kzalloc(cmd_size, GFP_KERNEL);
1602 if (!cmd)
1603 return -ENOMEM;
1604
1605 cmd->op = cpu_to_le32(op);
1606 cmd->len = cpu_to_le32(len);
1607 cmd->addr = cpu_to_le32(*ppos);
1608 if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
1609 kfree(cmd);
1610 return -EFAULT;
1611 }
1612
1613 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1614 hcmd.data[0] = (void *)cmd;
1615 hcmd.len[0] = cmd_size;
1616
1617 mutex_lock(&mvm->mutex);
1618 ret = iwl_mvm_send_cmd(mvm, &hcmd);
1619 mutex_unlock(&mvm->mutex);
1620
1621 kfree(cmd);
1622
1623 if (ret < 0)
1624 return ret;
1625
1626 rsp = (void *)hcmd.resp_pkt->data;
1627 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
1628 ret = -ENXIO;
1629 goto out;
1630 }
1631
1632 ret = data_size;
1633 *ppos += ret;
1634
1635 out:
1636 iwl_free_resp(&hcmd);
1637 return ret;
1638 }
1639
1640 static const struct file_operations iwl_dbgfs_mem_ops = {
1641 .read = iwl_dbgfs_mem_read,
1642 .write = iwl_dbgfs_mem_write,
1643 .open = simple_open,
1644 .llseek = default_llseek,
1645 };
1646
1647 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1648 {
1649 struct dentry *bcast_dir __maybe_unused;
1650 char buf[100];
1651
1652 spin_lock_init(&mvm->drv_stats_lock);
1653
1654 mvm->debugfs_dir = dbgfs_dir;
1655
1656 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
1657 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
1658 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1659 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
1660 S_IWUSR | S_IRUSR);
1661 MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
1662 MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, S_IRUSR);
1663 MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, S_IWUSR);
1664 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
1665 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
1666 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
1667 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
1668 S_IRUSR | S_IWUSR);
1669 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
1670 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
1671 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
1672 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
1673 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
1674 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
1675 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
1676 S_IWUSR | S_IRUSR);
1677 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1678 MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1679 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1680 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
1681 MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, S_IWUSR);
1682 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR);
1683 MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR);
1684 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, S_IWUSR);
1685 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, S_IWUSR);
1686 if (!debugfs_create_bool("enable_scan_iteration_notif",
1687 S_IRUSR | S_IWUSR,
1688 mvm->debugfs_dir,
1689 &mvm->scan_iter_notif_enabled))
1690 goto err;
1691 if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR | S_IWUSR,
1692 mvm->debugfs_dir, &mvm->drop_bcn_ap_mode))
1693 goto err;
1694
1695 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1696 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
1697 bcast_dir = debugfs_create_dir("bcast_filtering",
1698 mvm->debugfs_dir);
1699 if (!bcast_dir)
1700 goto err;
1701
1702 if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR,
1703 bcast_dir,
1704 &mvm->dbgfs_bcast_filtering.override))
1705 goto err;
1706
1707 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
1708 bcast_dir, S_IWUSR | S_IRUSR);
1709 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
1710 bcast_dir, S_IWUSR | S_IRUSR);
1711 }
1712 #endif
1713
1714 #ifdef CONFIG_PM_SLEEP
1715 MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1716 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
1717 if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
1718 mvm->debugfs_dir, &mvm->d3_wake_sysassert))
1719 goto err;
1720 if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR,
1721 mvm->debugfs_dir, &mvm->last_netdetect_scans))
1722 goto err;
1723 #endif
1724
1725 if (!debugfs_create_u8("ps_disabled", S_IRUSR,
1726 mvm->debugfs_dir, &mvm->ps_disabled))
1727 goto err;
1728 if (!debugfs_create_blob("nvm_hw", S_IRUSR,
1729 mvm->debugfs_dir, &mvm->nvm_hw_blob))
1730 goto err;
1731 if (!debugfs_create_blob("nvm_sw", S_IRUSR,
1732 mvm->debugfs_dir, &mvm->nvm_sw_blob))
1733 goto err;
1734 if (!debugfs_create_blob("nvm_calib", S_IRUSR,
1735 mvm->debugfs_dir, &mvm->nvm_calib_blob))
1736 goto err;
1737 if (!debugfs_create_blob("nvm_prod", S_IRUSR,
1738 mvm->debugfs_dir, &mvm->nvm_prod_blob))
1739 goto err;
1740 if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR,
1741 mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
1742 goto err;
1743
1744 debugfs_create_file("mem", S_IRUSR | S_IWUSR, dbgfs_dir, mvm,
1745 &iwl_dbgfs_mem_ops);
1746
1747 /*
1748 * Create a symlink with mac80211. It will be removed when mac80211
1749 * exists (before the opmode exists which removes the target.)
1750 */
1751 snprintf(buf, 100, "../../%s/%s",
1752 dbgfs_dir->d_parent->d_parent->d_name.name,
1753 dbgfs_dir->d_parent->d_name.name);
1754 if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
1755 goto err;
1756
1757 return 0;
1758 err:
1759 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
1760 return -ENOMEM;
1761 }
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