projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
iwlwifi: bump required firmware API version for 3160/7260
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / debugfs.c
CommitLineData
8ca151b5
JB		 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 - 2013 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
410dc5aa 25 * in the file called COPYING.
8ca151b5
JB		 26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *
62 *****************************************************************************/
63#include "mvm.h"
64#include "sta.h"
65#include "iwl-io.h"
66
67struct iwl_dbgfs_mvm_ctx {
68 struct iwl_mvm *mvm;
69 struct ieee80211_vif *vif;
70};
71
8ca151b5
JB		 72static ssize_t iwl_dbgfs_tx_flush_write(struct file *file,
73 const char __user *user_buf,
74 size_t count, loff_t *ppos)
75{
76 struct iwl_mvm *mvm = file->private_data;
77
78 char buf[16];
79 int buf_size, ret;
80 u32 scd_q_msk;
81
82 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
83 return -EIO;
84
85 memset(buf, 0, sizeof(buf));
86 buf_size = min(count, sizeof(buf) - 1);
87 if (copy_from_user(buf, user_buf, buf_size))
88 return -EFAULT;
89
90 if (sscanf(buf, "%x", &scd_q_msk) != 1)
91 return -EINVAL;
92
93 IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
94
95 mutex_lock(&mvm->mutex);
96 ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count;
97 mutex_unlock(&mvm->mutex);
98
99 return ret;
100}
101
102static ssize_t iwl_dbgfs_sta_drain_write(struct file *file,
103 const char __user *user_buf,
104 size_t count, loff_t *ppos)
105{
106 struct iwl_mvm *mvm = file->private_data;
107 struct ieee80211_sta *sta;
108
109 char buf[8];
110 int buf_size, sta_id, drain, ret;
111
112 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
113 return -EIO;
114
115 memset(buf, 0, sizeof(buf));
116 buf_size = min(count, sizeof(buf) - 1);
117 if (copy_from_user(buf, user_buf, buf_size))
118 return -EFAULT;
119
120 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
121 return -EINVAL;
122
123 mutex_lock(&mvm->mutex);
124
125 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
126 lockdep_is_held(&mvm->mutex));
127 if (IS_ERR_OR_NULL(sta))
128 ret = -ENOENT;
129 else
130 ret = iwl_mvm_drain_sta(mvm, (void *)sta->drv_priv, drain) ? :
131 count;
132
133 mutex_unlock(&mvm->mutex);
134
135 return ret;
136}
137
138static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
139 size_t count, loff_t *ppos)
140{
141 struct iwl_mvm *mvm = file->private_data;
142 const struct fw_img *img;
143 int ofs, len, pos = 0;
144 size_t bufsz, ret;
145 char *buf;
146 u8 *ptr;
147
60191d99
JB		 148 if (!mvm->ucode_loaded)
149 return -EINVAL;
150
8ca151b5
JB		 151 /* default is to dump the entire data segment */
152 if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) {
8ca151b5 153 img = &mvm->fw->img[mvm->cur_ucode];
60191d99
JB		 154 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
155 len = img->sec[IWL_UCODE_SECTION_DATA].len;
156 } else {
157 ofs = mvm->dbgfs_sram_offset;
158 len = mvm->dbgfs_sram_len;
8ca151b5 159 }
8ca151b5
JB		 160
161 bufsz = len * 4 + 256;
162 buf = kzalloc(bufsz, GFP_KERNEL);
163 if (!buf)
164 return -ENOMEM;
165
166 ptr = kzalloc(len, GFP_KERNEL);
167 if (!ptr) {
168 kfree(buf);
169 return -ENOMEM;
170 }
171
172 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", len);
60191d99 173 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", ofs);
8ca151b5 174
60191d99 175 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
8ca151b5
JB		 176 for (ofs = 0; ofs < len; ofs += 16) {
177 pos += scnprintf(buf + pos, bufsz - pos, "0x%.4x ", ofs);
178 hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
179 bufsz - pos, false);
180 pos += strlen(buf + pos);
181 if (bufsz - pos > 0)
182 buf[pos++] = '\n';
183 }
184
185 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
186
187 kfree(buf);
188 kfree(ptr);
189
190 return ret;
191}
192
193static ssize_t iwl_dbgfs_sram_write(struct file *file,
194 const char __user *user_buf, size_t count,
195 loff_t *ppos)
196{
197 struct iwl_mvm *mvm = file->private_data;
198 char buf[64];
199 int buf_size;
200 u32 offset, len;
201
202 memset(buf, 0, sizeof(buf));
203 buf_size = min(count, sizeof(buf) - 1);
204 if (copy_from_user(buf, user_buf, buf_size))
205 return -EFAULT;
206
207 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
208 if ((offset & 0x3) || (len & 0x3))
209 return -EINVAL;
210 mvm->dbgfs_sram_offset = offset;
211 mvm->dbgfs_sram_len = len;
212 } else {
213 mvm->dbgfs_sram_offset = 0;
214 mvm->dbgfs_sram_len = 0;
215 }
216
217 return count;
218}
219
220static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
221 size_t count, loff_t *ppos)
222{
223 struct iwl_mvm *mvm = file->private_data;
224 struct ieee80211_sta *sta;
225 char buf[400];
226 int i, pos = 0, bufsz = sizeof(buf);
227
228 mutex_lock(&mvm->mutex);
229
230 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
231 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
232 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
233 lockdep_is_held(&mvm->mutex));
234 if (!sta)
235 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
236 else if (IS_ERR(sta))
237 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
238 PTR_ERR(sta));
239 else
240 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
241 sta->addr);
242 }
243
244 mutex_unlock(&mvm->mutex);
245
246 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
247}
248
249static ssize_t iwl_dbgfs_power_down_allow_write(struct file *file,
250 const char __user *user_buf,
251 size_t count, loff_t *ppos)
252{
253 struct iwl_mvm *mvm = file->private_data;
254 char buf[8] = {};
255 int allow;
256
257 if (!mvm->ucode_loaded)
258 return -EIO;
259
260 if (copy_from_user(buf, user_buf, sizeof(buf)))
261 return -EFAULT;
262
263 if (sscanf(buf, "%d", &allow) != 1)
264 return -EINVAL;
265
266 IWL_DEBUG_POWER(mvm, "%s device power down\n",
267 allow ? "allow" : "prevent");
268
269 /*
270 * TODO: Send REPLY_DEBUG_CMD (0xf0) when FW support it
271 */
272
273 return count;
274}
275
276static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file,
277 const char __user *user_buf,
278 size_t count, loff_t *ppos)
279{
280 struct iwl_mvm *mvm = file->private_data;
281 char buf[8] = {};
282 int allow;
283
284 if (copy_from_user(buf, user_buf, sizeof(buf)))
285 return -EFAULT;
286
287 if (sscanf(buf, "%d", &allow) != 1)
288 return -EINVAL;
289
290 IWL_DEBUG_POWER(mvm, "%s device power down in d3\n",
291 allow ? "allow" : "prevent");
292
293 /*
294 * TODO: When WoWLAN FW alive notification happens, driver will send
295 * REPLY_DEBUG_CMD setting power_down_allow flag according to
296 * mvm->prevent_power_down_d3
297 */
298 mvm->prevent_power_down_d3 = !allow;
299
300 return count;
301}
302
b571a697
AB		 303static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
304 struct ieee80211_vif *vif,
305 enum iwl_dbgfs_pm_mask param, int val)
306{
307 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
308 struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm;
309
310 dbgfs_pm->mask |= param;
311
312 switch (param) {
313 case MVM_DEBUGFS_PM_KEEP_ALIVE: {
314 struct ieee80211_hw *hw = mvm->hw;
315 int dtimper = hw->conf.ps_dtim_period ?: 1;
316 int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
317
318 IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val);
319 if (val * MSEC_PER_SEC < 3 * dtimper_msec) {
320 IWL_WARN(mvm,
321 "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n",
322 val * MSEC_PER_SEC, 3 * dtimper_msec);
323 }
324 dbgfs_pm->keep_alive_seconds = val;
325 break;
326 }
327 case MVM_DEBUGFS_PM_SKIP_OVER_DTIM:
328 IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n",
329 val ? "enabled" : "disabled");
330 dbgfs_pm->skip_over_dtim = val;
331 break;
332 case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS:
333 IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val);
334 dbgfs_pm->skip_dtim_periods = val;
335 break;
336 case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT:
337 IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val);
338 dbgfs_pm->rx_data_timeout = val;
339 break;
340 case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT:
341 IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val);
342 dbgfs_pm->tx_data_timeout = val;
343 break;
344 case MVM_DEBUGFS_PM_DISABLE_POWER_OFF:
345 IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val);
346 dbgfs_pm->disable_power_off = val;
347 break;
348 }
349}
350
351static ssize_t iwl_dbgfs_pm_params_write(struct file *file,
352 const char __user *user_buf,
353 size_t count, loff_t *ppos)
354{
355 struct ieee80211_vif *vif = file->private_data;
356 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
357 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
358 enum iwl_dbgfs_pm_mask param;
359 char buf[32] = {};
360 int val;
361 int ret;
362
363 if (copy_from_user(buf, user_buf, sizeof(buf)))
364 return -EFAULT;
365
366 if (!strncmp("keep_alive=", buf, 11)) {
367 if (sscanf(buf + 11, "%d", &val) != 1)
368 return -EINVAL;
369 param = MVM_DEBUGFS_PM_KEEP_ALIVE;
370 } else if (!strncmp("skip_over_dtim=", buf, 15)) {
371 if (sscanf(buf + 15, "%d", &val) != 1)
372 return -EINVAL;
373 param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM;
374 } else if (!strncmp("skip_dtim_periods=", buf, 18)) {
375 if (sscanf(buf + 18, "%d", &val) != 1)
376 return -EINVAL;
377 param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS;
378 } else if (!strncmp("rx_data_timeout=", buf, 16)) {
379 if (sscanf(buf + 16, "%d", &val) != 1)
380 return -EINVAL;
381 param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT;
382 } else if (!strncmp("tx_data_timeout=", buf, 16)) {
383 if (sscanf(buf + 16, "%d", &val) != 1)
384 return -EINVAL;
385 param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
386 } else if (!strncmp("disable_power_off=", buf, 18)) {
387 if (sscanf(buf + 18, "%d", &val) != 1)
388 return -EINVAL;
389 param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF;
390 } else {
391 return -EINVAL;
392 }
393
394 mutex_lock(&mvm->mutex);
395 iwl_dbgfs_update_pm(mvm, vif, param, val);
396 ret = iwl_mvm_power_update_mode(mvm, vif);
397 mutex_unlock(&mvm->mutex);
398
399 return ret ?: count;
400}
401
402static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
403 char __user *user_buf,
404 size_t count, loff_t *ppos)
405{
406 struct ieee80211_vif *vif = file->private_data;
407 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
408 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
409 struct iwl_powertable_cmd cmd = {};
410 char buf[256];
411 int bufsz = sizeof(buf);
412 int pos = 0;
413
414 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
415
416 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off = %d\n",
417 (cmd.flags &
418 cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK)) ?
419 0 : 1);
420 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
421 le32_to_cpu(cmd.skip_dtim_periods));
422 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
423 iwlmvm_mod_params.power_scheme);
424 pos += scnprintf(buf+pos, bufsz-pos, "flags = %d\n",
425 le16_to_cpu(cmd.flags));
426 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
427 cmd.keep_alive_seconds);
428
429 if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) {
430 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
431 (cmd.flags &
432 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ?
433 1 : 0);
434 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
435 le32_to_cpu(cmd.rx_data_timeout));
436 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
437 le32_to_cpu(cmd.tx_data_timeout));
438 }
439
440 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
441}
442
63494374
JB		 443static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
444 char __user *user_buf,
445 size_t count, loff_t *ppos)
446{
447 struct ieee80211_vif *vif = file->private_data;
448 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
449 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
450 u8 ap_sta_id;
451 struct ieee80211_chanctx_conf *chanctx_conf;
452 char buf[512];
453 int bufsz = sizeof(buf);
454 int pos = 0;
455 int i;
456
457 mutex_lock(&mvm->mutex);
458
459 ap_sta_id = mvmvif->ap_sta_id;
460
461 pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
462 mvmvif->id, mvmvif->color);
463 pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
464 vif->bss_conf.bssid);
465 pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
466 for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++) {
467 pos += scnprintf(buf+pos, bufsz-pos,
468 "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
469 i, mvmvif->queue_params[i].txop,
470 mvmvif->queue_params[i].cw_min,
471 mvmvif->queue_params[i].cw_max,
472 mvmvif->queue_params[i].aifs,
473 mvmvif->queue_params[i].uapsd);
474 }
475
2b76ef13
EG		 476 if (vif->type == NL80211_IFTYPE_STATION &&
477 ap_sta_id != IWL_MVM_STATION_COUNT) {
478 struct ieee80211_sta *sta;
479 struct iwl_mvm_sta *mvm_sta;
480
481 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
482 lockdep_is_held(&mvm->mutex));
483 mvm_sta = (void *)sta->drv_priv;
484 pos += scnprintf(buf+pos, bufsz-pos,
485 "ap_sta_id %d - reduced Tx power %d\n",
486 ap_sta_id, mvm_sta->bt_reduced_txpower);
487 }
63494374
JB		 488
489 rcu_read_lock();
490 chanctx_conf = rcu_dereference(vif->chanctx_conf);
491 if (chanctx_conf) {
492 pos += scnprintf(buf+pos, bufsz-pos,
493 "idle rx chains %d, active rx chains: %d\n",
494 chanctx_conf->rx_chains_static,
495 chanctx_conf->rx_chains_dynamic);
496 }
497 rcu_read_unlock();
498
499 mutex_unlock(&mvm->mutex);
500
501 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
502}
503
10942342
EG		 504#define BT_MBOX_MSG(_notif, _num, _field) \
505 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
506 >> BT_MBOX##_num##_##_field##_POS)
507
508
509#define BT_MBOX_PRINT(_num, _field, _end) \
510 pos += scnprintf(buf + pos, bufsz - pos, \
511 "\t%s: %d%s", \
512 #_field, \
513 BT_MBOX_MSG(notif, _num, _field), \
514 true ? "\n" : ", ");
515
516static ssize_t iwl_dbgfs_bt_notif_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_profile_notif *notif = &mvm->last_bt_notif;
521 char *buf;
522 int ret, pos = 0, bufsz = sizeof(char) * 1024;
523
524 buf = kmalloc(bufsz, GFP_KERNEL);
525 if (!buf)
526 return -ENOMEM;
527
528 mutex_lock(&mvm->mutex);
529
530 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
531
532 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
533 BT_MBOX_PRINT(0, LE_PROF1, false);
534 BT_MBOX_PRINT(0, LE_PROF2, false);
535 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
536 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
537 BT_MBOX_PRINT(0, INBAND_S, false);
538 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
539 BT_MBOX_PRINT(0, LE_SCAN, false);
540 BT_MBOX_PRINT(0, LE_ADV, false);
541 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
542 BT_MBOX_PRINT(0, OPEN_CON_1, true);
543
544 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
545
546 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
547 BT_MBOX_PRINT(1, IP_SR, false);
548 BT_MBOX_PRINT(1, LE_MSTR, false);
549 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
550 BT_MBOX_PRINT(1, MSG_TYPE, false);
551 BT_MBOX_PRINT(1, SSN, true);
552
553 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
554
555 BT_MBOX_PRINT(2, SNIFF_ACT, false);
556 BT_MBOX_PRINT(2, PAG, false);
557 BT_MBOX_PRINT(2, INQUIRY, false);
558 BT_MBOX_PRINT(2, CONN, false);
559 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
560 BT_MBOX_PRINT(2, DISC, false);
561 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
562 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
563 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
564 BT_MBOX_PRINT(2, SCO_DURATION, true);
565
566 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
567
568 BT_MBOX_PRINT(3, SCO_STATE, false);
569 BT_MBOX_PRINT(3, SNIFF_STATE, false);
570 BT_MBOX_PRINT(3, A2DP_STATE, false);
571 BT_MBOX_PRINT(3, ACL_STATE, false);
572 BT_MBOX_PRINT(3, MSTR_STATE, false);
573 BT_MBOX_PRINT(3, OBX_STATE, false);
574 BT_MBOX_PRINT(3, OPEN_CON_2, false);
575 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
576 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
577 BT_MBOX_PRINT(3, INBAND_P, false);
578 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
579 BT_MBOX_PRINT(3, SSN_2, false);
580 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
581
582 pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n",
583 notif->bt_status);
584 pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n",
585 notif->bt_open_conn);
586 pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n",
587 notif->bt_traffic_load);
588 pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n",
589 notif->bt_agg_traffic_load);
590 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
591 notif->bt_ci_compliance);
592
593 mutex_unlock(&mvm->mutex);
594
595 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
596 kfree(buf);
597
598 return ret;
599}
600#undef BT_MBOX_PRINT
601
490953ac
EG		 602static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
603 const char __user *user_buf,
604 size_t count, loff_t *ppos)
605{
606 struct iwl_mvm *mvm = file->private_data;
607 bool restart_fw = iwlwifi_mod_params.restart_fw;
608 int ret;
609
610 iwlwifi_mod_params.restart_fw = true;
611
612 mutex_lock(&mvm->mutex);
613
614 /* take the return value to make compiler happy - it will fail anyway */
615 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, CMD_SYNC, 0, NULL);
616
617 mutex_unlock(&mvm->mutex);
618
619 iwlwifi_mod_params.restart_fw = restart_fw;
620
621 return count;
622}
623
b571a697
AB		 624static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
625 enum iwl_dbgfs_bf_mask param, int value)
626{
627 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
628 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
629
630 dbgfs_bf->mask |= param;
631
632 switch (param) {
633 case MVM_DEBUGFS_BF_ENERGY_DELTA:
634 dbgfs_bf->bf_energy_delta = value;
635 break;
636 case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
637 dbgfs_bf->bf_roaming_energy_delta = value;
638 break;
639 case MVM_DEBUGFS_BF_ROAMING_STATE:
640 dbgfs_bf->bf_roaming_state = value;
641 break;
642 case MVM_DEBUGFS_BF_TEMPERATURE_DELTA:
643 dbgfs_bf->bf_temperature_delta = value;
644 break;
645 case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER:
646 dbgfs_bf->bf_enable_beacon_filter = value;
647 break;
648 case MVM_DEBUGFS_BF_DEBUG_FLAG:
649 dbgfs_bf->bf_debug_flag = value;
650 break;
651 case MVM_DEBUGFS_BF_ESCAPE_TIMER:
652 dbgfs_bf->bf_escape_timer = value;
653 break;
654 case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT:
655 dbgfs_bf->ba_enable_beacon_abort = value;
656 break;
657 case MVM_DEBUGFS_BA_ESCAPE_TIMER:
658 dbgfs_bf->ba_escape_timer = value;
659 break;
660 }
661}
662
663static ssize_t iwl_dbgfs_bf_params_write(struct file *file,
664 const char __user *user_buf,
665 size_t count, loff_t *ppos)
666{
667 struct ieee80211_vif *vif = file->private_data;
668 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
669 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
670 enum iwl_dbgfs_bf_mask param;
671 char buf[256];
672 int buf_size;
673 int value;
674 int ret = 0;
675
676 memset(buf, 0, sizeof(buf));
677 buf_size = min(count, sizeof(buf) - 1);
678 if (copy_from_user(buf, user_buf, buf_size))
679 return -EFAULT;
680
681 if (!strncmp("bf_energy_delta=", buf, 16)) {
682 if (sscanf(buf+16, "%d", &value) != 1)
683 return -EINVAL;
684 if (value < IWL_BF_ENERGY_DELTA_MIN ||
685 value > IWL_BF_ENERGY_DELTA_MAX)
686 return -EINVAL;
687 param = MVM_DEBUGFS_BF_ENERGY_DELTA;
688 } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) {
689 if (sscanf(buf+24, "%d", &value) != 1)
690 return -EINVAL;
691 if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN ||
692 value > IWL_BF_ROAMING_ENERGY_DELTA_MAX)
693 return -EINVAL;
694 param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA;
695 } else if (!strncmp("bf_roaming_state=", buf, 17)) {
696 if (sscanf(buf+17, "%d", &value) != 1)
697 return -EINVAL;
698 if (value < IWL_BF_ROAMING_STATE_MIN ||
699 value > IWL_BF_ROAMING_STATE_MAX)
700 return -EINVAL;
701 param = MVM_DEBUGFS_BF_ROAMING_STATE;
702 } else if (!strncmp("bf_temperature_delta=", buf, 21)) {
703 if (sscanf(buf+21, "%d", &value) != 1)
704 return -EINVAL;
705 if (value < IWL_BF_TEMPERATURE_DELTA_MIN ||
706 value > IWL_BF_TEMPERATURE_DELTA_MAX)
707 return -EINVAL;
708 param = MVM_DEBUGFS_BF_TEMPERATURE_DELTA;
709 } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) {
710 if (sscanf(buf+24, "%d", &value) != 1)
711 return -EINVAL;
712 if (value < 0 || value > 1)
713 return -EINVAL;
714 param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER;
715 } else if (!strncmp("bf_debug_flag=", buf, 14)) {
716 if (sscanf(buf+14, "%d", &value) != 1)
717 return -EINVAL;
718 if (value < 0 || value > 1)
719 return -EINVAL;
720 param = MVM_DEBUGFS_BF_DEBUG_FLAG;
721 } else if (!strncmp("bf_escape_timer=", buf, 16)) {
722 if (sscanf(buf+16, "%d", &value) != 1)
723 return -EINVAL;
724 if (value < IWL_BF_ESCAPE_TIMER_MIN ||
725 value > IWL_BF_ESCAPE_TIMER_MAX)
726 return -EINVAL;
727 param = MVM_DEBUGFS_BF_ESCAPE_TIMER;
728 } else if (!strncmp("ba_escape_timer=", buf, 16)) {
729 if (sscanf(buf+16, "%d", &value) != 1)
730 return -EINVAL;
731 if (value < IWL_BA_ESCAPE_TIMER_MIN ||
732 value > IWL_BA_ESCAPE_TIMER_MAX)
733 return -EINVAL;
734 param = MVM_DEBUGFS_BA_ESCAPE_TIMER;
735 } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) {
736 if (sscanf(buf+23, "%d", &value) != 1)
737 return -EINVAL;
738 if (value < 0 || value > 1)
739 return -EINVAL;
740 param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT;
741 } else {
742 return -EINVAL;
743 }
744
745 mutex_lock(&mvm->mutex);
746 iwl_dbgfs_update_bf(vif, param, value);
747 if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value) {
748 ret = iwl_mvm_disable_beacon_filter(mvm, vif);
749 } else {
750 if (mvmvif->bf_enabled)
751 ret = iwl_mvm_enable_beacon_filter(mvm, vif);
752 else
753 ret = iwl_mvm_disable_beacon_filter(mvm, vif);
754 }
755 mutex_unlock(&mvm->mutex);
756
757 return ret ?: count;
758}
759
760static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
761 char __user *user_buf,
762 size_t count, loff_t *ppos)
763{
764 struct ieee80211_vif *vif = file->private_data;
765 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
766 char buf[256];
767 int pos = 0;
768 const size_t bufsz = sizeof(buf);
769 struct iwl_beacon_filter_cmd cmd = {
770 .bf_energy_delta = IWL_BF_ENERGY_DELTA_DEFAULT,
771 .bf_roaming_energy_delta = IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT,
772 .bf_roaming_state = IWL_BF_ROAMING_STATE_DEFAULT,
773 .bf_temperature_delta = IWL_BF_TEMPERATURE_DELTA_DEFAULT,
774 .bf_enable_beacon_filter = IWL_BF_ENABLE_BEACON_FILTER_DEFAULT,
775 .bf_debug_flag = IWL_BF_DEBUG_FLAG_DEFAULT,
776 .bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER_DEFAULT),
777 .ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_DEFAULT),
778 .ba_enable_beacon_abort = IWL_BA_ENABLE_BEACON_ABORT_DEFAULT,
779 };
780
781 iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
782 if (mvmvif->bf_enabled)
783 cmd.bf_enable_beacon_filter = 1;
784 else
785 cmd.bf_enable_beacon_filter = 0;
786
787 pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n",
788 cmd.bf_energy_delta);
789 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n",
790 cmd.bf_roaming_energy_delta);
791 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n",
792 cmd.bf_roaming_state);
793 pos += scnprintf(buf+pos, bufsz-pos, "bf_temperature_delta = %d\n",
794 cmd.bf_temperature_delta);
795 pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n",
796 cmd.bf_enable_beacon_filter);
797 pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n",
798 cmd.bf_debug_flag);
799 pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n",
800 cmd.bf_escape_timer);
801 pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n",
802 cmd.ba_escape_timer);
803 pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n",
804 cmd.ba_enable_beacon_abort);
805
806 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
807}
808
afc66bb7
JB		 809#ifdef CONFIG_PM_SLEEP
810static ssize_t iwl_dbgfs_d3_sram_write(struct file *file,
811 const char __user *user_buf,
812 size_t count, loff_t *ppos)
813{
814 struct iwl_mvm *mvm = file->private_data;
815 char buf[8] = {};
816 int store;
817
818 if (copy_from_user(buf, user_buf, sizeof(buf)))
819 return -EFAULT;
820
821 if (sscanf(buf, "%d", &store) != 1)
822 return -EINVAL;
823
824 mvm->store_d3_resume_sram = store;
825
826 return count;
827}
828
829static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
830 size_t count, loff_t *ppos)
831{
832 struct iwl_mvm *mvm = file->private_data;
833 const struct fw_img *img;
834 int ofs, len, pos = 0;
835 size_t bufsz, ret;
836 char *buf;
837 u8 *ptr = mvm->d3_resume_sram;
838
839 img = &mvm->fw->img[IWL_UCODE_WOWLAN];
840 len = img->sec[IWL_UCODE_SECTION_DATA].len;
841
842 bufsz = len * 4 + 256;
843 buf = kzalloc(bufsz, GFP_KERNEL);
844 if (!buf)
845 return -ENOMEM;
846
847 pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
848 mvm->store_d3_resume_sram ? "en" : "dis");
849
850 if (ptr) {
851 for (ofs = 0; ofs < len; ofs += 16) {
852 pos += scnprintf(buf + pos, bufsz - pos,
853 "0x%.4x ", ofs);
854 hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
855 bufsz - pos, false);
856 pos += strlen(buf + pos);
857 if (bufsz - pos > 0)
858 buf[pos++] = '\n';
859 }
860 } else {
861 pos += scnprintf(buf + pos, bufsz - pos,
862 "(no data captured)\n");
863 }
864
865 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
866
867 kfree(buf);
868
869 return ret;
870}
871#endif
872
8ca151b5
JB		 873#define MVM_DEBUGFS_READ_FILE_OPS(name) \
874static const struct file_operations iwl_dbgfs_##name##_ops = { \
875 .read = iwl_dbgfs_##name##_read, \
ba5295f8 876 .open = simple_open, \
8ca151b5
JB		 877 .llseek = generic_file_llseek, \
878}
879
880#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \
881static const struct file_operations iwl_dbgfs_##name##_ops = { \
882 .write = iwl_dbgfs_##name##_write, \
883 .read = iwl_dbgfs_##name##_read, \
ba5295f8 884 .open = simple_open, \
8ca151b5
JB		 885 .llseek = generic_file_llseek, \
886};
887
888#define MVM_DEBUGFS_WRITE_FILE_OPS(name) \
889static const struct file_operations iwl_dbgfs_##name##_ops = { \
890 .write = iwl_dbgfs_##name##_write, \
ba5295f8 891 .open = simple_open, \
8ca151b5
JB		 892 .llseek = generic_file_llseek, \
893};
894
895#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \
896 if (!debugfs_create_file(#name, mode, parent, mvm, \
897 &iwl_dbgfs_##name##_ops)) \
898 goto err; \
899 } while (0)
900
901#define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \
902 if (!debugfs_create_file(#name, mode, parent, vif, \
903 &iwl_dbgfs_##name##_ops)) \
904 goto err; \
905 } while (0)
906
907/* Device wide debugfs entries */
908MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush);
909MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain);
910MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram);
911MVM_DEBUGFS_READ_FILE_OPS(stations);
10942342 912MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
8ca151b5
JB		 913MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow);
914MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow);
490953ac 915MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart);
afc66bb7
JB		 916#ifdef CONFIG_PM_SLEEP
917MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram);
918#endif
8ca151b5 919
63494374
JB		 920/* Interface specific debugfs entries */
921MVM_DEBUGFS_READ_FILE_OPS(mac_params);
b571a697
AB		 922MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params);
923MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params);
63494374 924
8ca151b5
JB		 925int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
926{
927 char buf[100];
928
929 mvm->debugfs_dir = dbgfs_dir;
930
931 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
932 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
933 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
934 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
10942342 935 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
8ca151b5
JB		 936 MVM_DEBUGFS_ADD_FILE(power_down_allow, mvm->debugfs_dir, S_IWUSR);
937 MVM_DEBUGFS_ADD_FILE(power_down_d3_allow, mvm->debugfs_dir, S_IWUSR);
490953ac 938 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
afc66bb7
JB		 939#ifdef CONFIG_PM_SLEEP
940 MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
debff618 941 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
afc66bb7 942#endif
8ca151b5
JB		 943
944 /*
945 * Create a symlink with mac80211. It will be removed when mac80211
946 * exists (before the opmode exists which removes the target.)
947 */
948 snprintf(buf, 100, "../../%s/%s",
949 dbgfs_dir->d_parent->d_parent->d_name.name,
950 dbgfs_dir->d_parent->d_name.name);
951 if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
952 goto err;
953
954 return 0;
955err:
956 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
957 return -ENOMEM;
958}
63494374
JB		 959
960void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
961{
962 struct dentry *dbgfs_dir = vif->debugfs_dir;
963 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
964 char buf[100];
965
966 if (!dbgfs_dir)
967 return;
968
969 mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
970 mvmvif->dbgfs_data = mvm;
971
972 if (!mvmvif->dbgfs_dir) {
973 IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
974 dbgfs_dir->d_name.name);
975 return;
976 }
977
b571a697
AB		 978 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
979 vif->type == NL80211_IFTYPE_STATION && !vif->p2p)
980 MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
981 S_IRUSR);
982
63494374
JB		 983 MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir,
984 S_IRUSR);
985
b571a697
AB		 986 if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
987 mvmvif == mvm->bf_allowed_vif)
988 MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
989 S_IRUSR | S_IWUSR);
990
63494374
JB		 991 /*
992 * Create symlink for convenience pointing to interface specific
993 * debugfs entries for the driver. For example, under
994 * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
995 * find
996 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
997 */
998 snprintf(buf, 100, "../../../%s/%s/%s/%s",
999 dbgfs_dir->d_parent->d_parent->d_name.name,
1000 dbgfs_dir->d_parent->d_name.name,
1001 dbgfs_dir->d_name.name,
1002 mvmvif->dbgfs_dir->d_name.name);
1003
1004 mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
1005 mvm->debugfs_dir, buf);
1006 if (!mvmvif->dbgfs_slink)
1007 IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
1008 dbgfs_dir->d_name.name);
1009 return;
1010err:
1011 IWL_ERR(mvm, "Can't create debugfs entity\n");
1012}
1013
1014void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1015{
1016 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1017
1018 debugfs_remove(mvmvif->dbgfs_slink);
1019 mvmvif->dbgfs_slink = NULL;
1020
1021 debugfs_remove_recursive(mvmvif->dbgfs_dir);
1022 mvmvif->dbgfs_dir = NULL;
1023}
Linux kernel - Deliverables
This page took 0.140212 seconds and 5 git commands to generate.