1 /******************************************************************************
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.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
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49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
66 #include "fw-api-tof.h"
69 static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
70 struct ieee80211_vif *vif,
71 enum iwl_dbgfs_pm_mask param, int val)
73 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
74 struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm;
76 dbgfs_pm->mask |= param;
79 case MVM_DEBUGFS_PM_KEEP_ALIVE: {
80 int dtimper = vif->bss_conf.dtim_period ?: 1;
81 int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
83 IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val);
84 if (val * MSEC_PER_SEC < 3 * dtimper_msec)
86 "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n",
87 val * MSEC_PER_SEC, 3 * dtimper_msec);
88 dbgfs_pm->keep_alive_seconds = val;
91 case MVM_DEBUGFS_PM_SKIP_OVER_DTIM:
92 IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n",
93 val ? "enabled" : "disabled");
94 dbgfs_pm->skip_over_dtim = val;
96 case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS:
97 IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val);
98 dbgfs_pm->skip_dtim_periods = val;
100 case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT:
101 IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val);
102 dbgfs_pm->rx_data_timeout = val;
104 case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT:
105 IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val);
106 dbgfs_pm->tx_data_timeout = val;
108 case MVM_DEBUGFS_PM_LPRX_ENA:
109 IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
110 dbgfs_pm->lprx_ena = val;
112 case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD:
113 IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val);
114 dbgfs_pm->lprx_rssi_threshold = val;
116 case MVM_DEBUGFS_PM_SNOOZE_ENABLE:
117 IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val);
118 dbgfs_pm->snooze_ena = val;
120 case MVM_DEBUGFS_PM_UAPSD_MISBEHAVING:
121 IWL_DEBUG_POWER(mvm, "uapsd_misbehaving_enable=%d\n", val);
122 dbgfs_pm->uapsd_misbehaving = val;
124 case MVM_DEBUGFS_PM_USE_PS_POLL:
125 IWL_DEBUG_POWER(mvm, "use_ps_poll=%d\n", val);
126 dbgfs_pm->use_ps_poll = val;
131 static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf,
132 size_t count, loff_t *ppos)
134 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
135 struct iwl_mvm *mvm = mvmvif->mvm;
136 enum iwl_dbgfs_pm_mask param;
139 if (!strncmp("keep_alive=", buf, 11)) {
140 if (sscanf(buf + 11, "%d", &val) != 1)
142 param = MVM_DEBUGFS_PM_KEEP_ALIVE;
143 } else if (!strncmp("skip_over_dtim=", buf, 15)) {
144 if (sscanf(buf + 15, "%d", &val) != 1)
146 param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM;
147 } else if (!strncmp("skip_dtim_periods=", buf, 18)) {
148 if (sscanf(buf + 18, "%d", &val) != 1)
150 param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS;
151 } else if (!strncmp("rx_data_timeout=", buf, 16)) {
152 if (sscanf(buf + 16, "%d", &val) != 1)
154 param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT;
155 } else if (!strncmp("tx_data_timeout=", buf, 16)) {
156 if (sscanf(buf + 16, "%d", &val) != 1)
158 param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
159 } else if (!strncmp("lprx=", buf, 5)) {
160 if (sscanf(buf + 5, "%d", &val) != 1)
162 param = MVM_DEBUGFS_PM_LPRX_ENA;
163 } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) {
164 if (sscanf(buf + 20, "%d", &val) != 1)
166 if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val <
167 POWER_LPRX_RSSI_THRESHOLD_MIN)
169 param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD;
170 } else if (!strncmp("snooze_enable=", buf, 14)) {
171 if (sscanf(buf + 14, "%d", &val) != 1)
173 param = MVM_DEBUGFS_PM_SNOOZE_ENABLE;
174 } else if (!strncmp("uapsd_misbehaving=", buf, 18)) {
175 if (sscanf(buf + 18, "%d", &val) != 1)
177 param = MVM_DEBUGFS_PM_UAPSD_MISBEHAVING;
178 } else if (!strncmp("use_ps_poll=", buf, 12)) {
179 if (sscanf(buf + 12, "%d", &val) != 1)
181 param = MVM_DEBUGFS_PM_USE_PS_POLL;
186 mutex_lock(&mvm->mutex);
187 iwl_dbgfs_update_pm(mvm, vif, param, val);
188 ret = iwl_mvm_power_update_mac(mvm);
189 mutex_unlock(&mvm->mutex);
194 static ssize_t iwl_dbgfs_tx_pwr_lmt_read(struct file *file,
195 char __user *user_buf,
196 size_t count, loff_t *ppos)
198 struct ieee80211_vif *vif = file->private_data;
200 int bufsz = sizeof(buf);
203 pos = scnprintf(buf, bufsz, "bss limit = %d\n",
204 vif->bss_conf.txpower);
206 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
209 static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
210 char __user *user_buf,
211 size_t count, loff_t *ppos)
213 struct ieee80211_vif *vif = file->private_data;
214 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
215 struct iwl_mvm *mvm = mvmvif->mvm;
217 int bufsz = sizeof(buf);
220 pos = iwl_mvm_power_mac_dbgfs_read(mvm, vif, buf, bufsz);
222 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
225 static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
226 char __user *user_buf,
227 size_t count, loff_t *ppos)
229 struct ieee80211_vif *vif = file->private_data;
230 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
231 struct iwl_mvm *mvm = mvmvif->mvm;
233 struct ieee80211_chanctx_conf *chanctx_conf;
235 int bufsz = sizeof(buf);
239 mutex_lock(&mvm->mutex);
241 ap_sta_id = mvmvif->ap_sta_id;
243 switch (ieee80211_vif_type_p2p(vif)) {
244 case NL80211_IFTYPE_ADHOC:
245 pos += scnprintf(buf+pos, bufsz-pos, "type: ibss\n");
247 case NL80211_IFTYPE_STATION:
248 pos += scnprintf(buf+pos, bufsz-pos, "type: bss\n");
250 case NL80211_IFTYPE_AP:
251 pos += scnprintf(buf+pos, bufsz-pos, "type: ap\n");
253 case NL80211_IFTYPE_P2P_CLIENT:
254 pos += scnprintf(buf+pos, bufsz-pos, "type: p2p client\n");
256 case NL80211_IFTYPE_P2P_GO:
257 pos += scnprintf(buf+pos, bufsz-pos, "type: p2p go\n");
259 case NL80211_IFTYPE_P2P_DEVICE:
260 pos += scnprintf(buf+pos, bufsz-pos, "type: p2p dev\n");
266 pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
267 mvmvif->id, mvmvif->color);
268 pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
269 vif->bss_conf.bssid);
270 pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
271 for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++)
272 pos += scnprintf(buf+pos, bufsz-pos,
273 "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
274 i, mvmvif->queue_params[i].txop,
275 mvmvif->queue_params[i].cw_min,
276 mvmvif->queue_params[i].cw_max,
277 mvmvif->queue_params[i].aifs,
278 mvmvif->queue_params[i].uapsd);
280 if (vif->type == NL80211_IFTYPE_STATION &&
281 ap_sta_id != IWL_MVM_STATION_COUNT) {
282 struct ieee80211_sta *sta;
284 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
285 lockdep_is_held(&mvm->mutex));
286 if (!IS_ERR_OR_NULL(sta)) {
287 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
289 pos += scnprintf(buf+pos, bufsz-pos,
290 "ap_sta_id %d - reduced Tx power %d\n",
292 mvm_sta->bt_reduced_txpower);
297 chanctx_conf = rcu_dereference(vif->chanctx_conf);
299 pos += scnprintf(buf+pos, bufsz-pos,
300 "idle rx chains %d, active rx chains: %d\n",
301 chanctx_conf->rx_chains_static,
302 chanctx_conf->rx_chains_dynamic);
305 mutex_unlock(&mvm->mutex);
307 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
310 static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
311 enum iwl_dbgfs_bf_mask param, int value)
313 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
314 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
316 dbgfs_bf->mask |= param;
319 case MVM_DEBUGFS_BF_ENERGY_DELTA:
320 dbgfs_bf->bf_energy_delta = value;
322 case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
323 dbgfs_bf->bf_roaming_energy_delta = value;
325 case MVM_DEBUGFS_BF_ROAMING_STATE:
326 dbgfs_bf->bf_roaming_state = value;
328 case MVM_DEBUGFS_BF_TEMP_THRESHOLD:
329 dbgfs_bf->bf_temp_threshold = value;
331 case MVM_DEBUGFS_BF_TEMP_FAST_FILTER:
332 dbgfs_bf->bf_temp_fast_filter = value;
334 case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER:
335 dbgfs_bf->bf_temp_slow_filter = value;
337 case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER:
338 dbgfs_bf->bf_enable_beacon_filter = value;
340 case MVM_DEBUGFS_BF_DEBUG_FLAG:
341 dbgfs_bf->bf_debug_flag = value;
343 case MVM_DEBUGFS_BF_ESCAPE_TIMER:
344 dbgfs_bf->bf_escape_timer = value;
346 case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT:
347 dbgfs_bf->ba_enable_beacon_abort = value;
349 case MVM_DEBUGFS_BA_ESCAPE_TIMER:
350 dbgfs_bf->ba_escape_timer = value;
355 static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf,
356 size_t count, loff_t *ppos)
358 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
359 struct iwl_mvm *mvm = mvmvif->mvm;
360 enum iwl_dbgfs_bf_mask param;
363 if (!strncmp("bf_energy_delta=", buf, 16)) {
364 if (sscanf(buf+16, "%d", &value) != 1)
366 if (value < IWL_BF_ENERGY_DELTA_MIN ||
367 value > IWL_BF_ENERGY_DELTA_MAX)
369 param = MVM_DEBUGFS_BF_ENERGY_DELTA;
370 } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) {
371 if (sscanf(buf+24, "%d", &value) != 1)
373 if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN ||
374 value > IWL_BF_ROAMING_ENERGY_DELTA_MAX)
376 param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA;
377 } else if (!strncmp("bf_roaming_state=", buf, 17)) {
378 if (sscanf(buf+17, "%d", &value) != 1)
380 if (value < IWL_BF_ROAMING_STATE_MIN ||
381 value > IWL_BF_ROAMING_STATE_MAX)
383 param = MVM_DEBUGFS_BF_ROAMING_STATE;
384 } else if (!strncmp("bf_temp_threshold=", buf, 18)) {
385 if (sscanf(buf+18, "%d", &value) != 1)
387 if (value < IWL_BF_TEMP_THRESHOLD_MIN ||
388 value > IWL_BF_TEMP_THRESHOLD_MAX)
390 param = MVM_DEBUGFS_BF_TEMP_THRESHOLD;
391 } else if (!strncmp("bf_temp_fast_filter=", buf, 20)) {
392 if (sscanf(buf+20, "%d", &value) != 1)
394 if (value < IWL_BF_TEMP_FAST_FILTER_MIN ||
395 value > IWL_BF_TEMP_FAST_FILTER_MAX)
397 param = MVM_DEBUGFS_BF_TEMP_FAST_FILTER;
398 } else if (!strncmp("bf_temp_slow_filter=", buf, 20)) {
399 if (sscanf(buf+20, "%d", &value) != 1)
401 if (value < IWL_BF_TEMP_SLOW_FILTER_MIN ||
402 value > IWL_BF_TEMP_SLOW_FILTER_MAX)
404 param = MVM_DEBUGFS_BF_TEMP_SLOW_FILTER;
405 } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) {
406 if (sscanf(buf+24, "%d", &value) != 1)
408 if (value < 0 || value > 1)
410 param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER;
411 } else if (!strncmp("bf_debug_flag=", buf, 14)) {
412 if (sscanf(buf+14, "%d", &value) != 1)
414 if (value < 0 || value > 1)
416 param = MVM_DEBUGFS_BF_DEBUG_FLAG;
417 } else if (!strncmp("bf_escape_timer=", buf, 16)) {
418 if (sscanf(buf+16, "%d", &value) != 1)
420 if (value < IWL_BF_ESCAPE_TIMER_MIN ||
421 value > IWL_BF_ESCAPE_TIMER_MAX)
423 param = MVM_DEBUGFS_BF_ESCAPE_TIMER;
424 } else if (!strncmp("ba_escape_timer=", buf, 16)) {
425 if (sscanf(buf+16, "%d", &value) != 1)
427 if (value < IWL_BA_ESCAPE_TIMER_MIN ||
428 value > IWL_BA_ESCAPE_TIMER_MAX)
430 param = MVM_DEBUGFS_BA_ESCAPE_TIMER;
431 } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) {
432 if (sscanf(buf+23, "%d", &value) != 1)
434 if (value < 0 || value > 1)
436 param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT;
441 mutex_lock(&mvm->mutex);
442 iwl_dbgfs_update_bf(vif, param, value);
443 if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value)
444 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
446 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
447 mutex_unlock(&mvm->mutex);
452 static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
453 char __user *user_buf,
454 size_t count, loff_t *ppos)
456 struct ieee80211_vif *vif = file->private_data;
457 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
460 const size_t bufsz = sizeof(buf);
461 struct iwl_beacon_filter_cmd cmd = {
462 IWL_BF_CMD_CONFIG_DEFAULTS,
463 .bf_enable_beacon_filter =
464 cpu_to_le32(IWL_BF_ENABLE_BEACON_FILTER_DEFAULT),
465 .ba_enable_beacon_abort =
466 cpu_to_le32(IWL_BA_ENABLE_BEACON_ABORT_DEFAULT),
469 iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
470 if (mvmvif->bf_data.bf_enabled)
471 cmd.bf_enable_beacon_filter = cpu_to_le32(1);
473 cmd.bf_enable_beacon_filter = 0;
475 pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n",
476 le32_to_cpu(cmd.bf_energy_delta));
477 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n",
478 le32_to_cpu(cmd.bf_roaming_energy_delta));
479 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n",
480 le32_to_cpu(cmd.bf_roaming_state));
481 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_threshold = %d\n",
482 le32_to_cpu(cmd.bf_temp_threshold));
483 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_fast_filter = %d\n",
484 le32_to_cpu(cmd.bf_temp_fast_filter));
485 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_slow_filter = %d\n",
486 le32_to_cpu(cmd.bf_temp_slow_filter));
487 pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n",
488 le32_to_cpu(cmd.bf_enable_beacon_filter));
489 pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n",
490 le32_to_cpu(cmd.bf_debug_flag));
491 pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n",
492 le32_to_cpu(cmd.bf_escape_timer));
493 pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n",
494 le32_to_cpu(cmd.ba_escape_timer));
495 pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n",
496 le32_to_cpu(cmd.ba_enable_beacon_abort));
498 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
501 static inline char *iwl_dbgfs_is_match(char *name, char *buf)
503 int len = strlen(name);
505 return !strncmp(name, buf, len) ? buf + len : NULL;
508 static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif,
510 size_t count, loff_t *ppos)
512 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
513 struct iwl_mvm *mvm = mvmvif->mvm;
514 int value, ret = -EINVAL;
517 mutex_lock(&mvm->mutex);
519 data = iwl_dbgfs_is_match("tof_disabled=", buf);
521 ret = kstrtou32(data, 10, &value);
523 mvm->tof_data.tof_cfg.tof_disabled = value;
527 data = iwl_dbgfs_is_match("one_sided_disabled=", buf);
529 ret = kstrtou32(data, 10, &value);
531 mvm->tof_data.tof_cfg.one_sided_disabled = value;
535 data = iwl_dbgfs_is_match("is_debug_mode=", buf);
537 ret = kstrtou32(data, 10, &value);
539 mvm->tof_data.tof_cfg.is_debug_mode = value;
543 data = iwl_dbgfs_is_match("is_buf=", buf);
545 ret = kstrtou32(data, 10, &value);
547 mvm->tof_data.tof_cfg.is_buf_required = value;
551 data = iwl_dbgfs_is_match("send_tof_cfg=", buf);
553 ret = kstrtou32(data, 10, &value);
554 if (ret == 0 && value) {
555 ret = iwl_mvm_tof_config_cmd(mvm);
561 mutex_unlock(&mvm->mutex);
566 static ssize_t iwl_dbgfs_tof_enable_read(struct file *file,
567 char __user *user_buf,
568 size_t count, loff_t *ppos)
570 struct ieee80211_vif *vif = file->private_data;
571 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
572 struct iwl_mvm *mvm = mvmvif->mvm;
575 const size_t bufsz = sizeof(buf);
576 struct iwl_tof_config_cmd *cmd;
578 cmd = &mvm->tof_data.tof_cfg;
580 mutex_lock(&mvm->mutex);
582 pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n",
584 pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n",
585 cmd->one_sided_disabled);
586 pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n",
588 pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n",
589 cmd->is_buf_required);
591 mutex_unlock(&mvm->mutex);
593 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
596 static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif,
598 size_t count, loff_t *ppos)
600 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
601 struct iwl_mvm *mvm = mvmvif->mvm;
605 mutex_lock(&mvm->mutex);
607 data = iwl_dbgfs_is_match("burst_period=", buf);
609 ret = kstrtou32(data, 10, &value);
611 mvm->tof_data.responder_cfg.burst_period =
616 data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
618 ret = kstrtou32(data, 10, &value);
620 mvm->tof_data.responder_cfg.min_delta_ftm = value;
624 data = iwl_dbgfs_is_match("burst_duration=", buf);
626 ret = kstrtou32(data, 10, &value);
628 mvm->tof_data.responder_cfg.burst_duration = value;
632 data = iwl_dbgfs_is_match("num_of_burst_exp=", buf);
634 ret = kstrtou32(data, 10, &value);
636 mvm->tof_data.responder_cfg.num_of_burst_exp = value;
640 data = iwl_dbgfs_is_match("abort_responder=", buf);
642 ret = kstrtou32(data, 10, &value);
644 mvm->tof_data.responder_cfg.abort_responder = value;
648 data = iwl_dbgfs_is_match("get_ch_est=", buf);
650 ret = kstrtou32(data, 10, &value);
652 mvm->tof_data.responder_cfg.get_ch_est = value;
656 data = iwl_dbgfs_is_match("recv_sta_req_params=", buf);
658 ret = kstrtou32(data, 10, &value);
660 mvm->tof_data.responder_cfg.recv_sta_req_params = value;
664 data = iwl_dbgfs_is_match("channel_num=", buf);
666 ret = kstrtou32(data, 10, &value);
668 mvm->tof_data.responder_cfg.channel_num = value;
672 data = iwl_dbgfs_is_match("bandwidth=", buf);
674 ret = kstrtou32(data, 10, &value);
676 mvm->tof_data.responder_cfg.bandwidth = value;
680 data = iwl_dbgfs_is_match("rate=", buf);
682 ret = kstrtou32(data, 10, &value);
684 mvm->tof_data.responder_cfg.rate = value;
688 data = iwl_dbgfs_is_match("bssid=", buf);
690 u8 *mac = mvm->tof_data.responder_cfg.bssid;
692 if (!mac_pton(data, mac)) {
698 data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf);
700 ret = kstrtou32(data, 10, &value);
702 mvm->tof_data.responder_cfg.tsf_timer_offset_msecs =
707 data = iwl_dbgfs_is_match("toa_offset=", buf);
709 ret = kstrtou32(data, 10, &value);
711 mvm->tof_data.responder_cfg.toa_offset =
716 data = iwl_dbgfs_is_match("ctrl_ch_position=", buf);
718 ret = kstrtou32(data, 10, &value);
720 mvm->tof_data.responder_cfg.ctrl_ch_position = value;
724 data = iwl_dbgfs_is_match("ftm_per_burst=", buf);
726 ret = kstrtou32(data, 10, &value);
728 mvm->tof_data.responder_cfg.ftm_per_burst = value;
732 data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf);
734 ret = kstrtou32(data, 10, &value);
736 mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value;
740 data = iwl_dbgfs_is_match("asap_mode=", buf);
742 ret = kstrtou32(data, 10, &value);
744 mvm->tof_data.responder_cfg.asap_mode = value;
748 data = iwl_dbgfs_is_match("send_responder_cfg=", buf);
750 ret = kstrtou32(data, 10, &value);
751 if (ret == 0 && value) {
752 ret = iwl_mvm_tof_responder_cmd(mvm, vif);
758 mutex_unlock(&mvm->mutex);
763 static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file,
764 char __user *user_buf,
765 size_t count, loff_t *ppos)
767 struct ieee80211_vif *vif = file->private_data;
768 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
769 struct iwl_mvm *mvm = mvmvif->mvm;
772 const size_t bufsz = sizeof(buf);
773 struct iwl_tof_responder_config_cmd *cmd;
775 cmd = &mvm->tof_data.responder_cfg;
777 mutex_lock(&mvm->mutex);
779 pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n",
780 le16_to_cpu(cmd->burst_period));
781 pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n",
782 cmd->burst_duration);
783 pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n",
785 pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n",
787 pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n",
788 cmd->ctrl_ch_position);
789 pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n",
791 pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n",
793 pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n",
794 cmd->num_of_burst_exp);
795 pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate);
796 pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n",
797 cmd->abort_responder);
798 pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n",
800 pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n",
801 cmd->recv_sta_req_params);
802 pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n",
804 pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n",
805 cmd->ftm_resp_ts_avail);
806 pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n",
808 pos += scnprintf(buf + pos, bufsz - pos,
809 "tsf_timer_offset_msecs = %d\n",
810 le16_to_cpu(cmd->tsf_timer_offset_msecs));
811 pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n",
812 le16_to_cpu(cmd->toa_offset));
814 mutex_unlock(&mvm->mutex);
816 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
819 static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
820 char *buf, size_t count,
823 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
824 struct iwl_mvm *mvm = mvmvif->mvm;
828 mutex_lock(&mvm->mutex);
830 data = iwl_dbgfs_is_match("request_id=", buf);
832 ret = kstrtou32(data, 10, &value);
834 mvm->tof_data.range_req.request_id = value;
838 data = iwl_dbgfs_is_match("initiator=", buf);
840 ret = kstrtou32(data, 10, &value);
842 mvm->tof_data.range_req.initiator = value;
846 data = iwl_dbgfs_is_match("one_sided_los_disable=", buf);
848 ret = kstrtou32(data, 10, &value);
850 mvm->tof_data.range_req.one_sided_los_disable = value;
854 data = iwl_dbgfs_is_match("req_timeout=", buf);
856 ret = kstrtou32(data, 10, &value);
858 mvm->tof_data.range_req.req_timeout = value;
862 data = iwl_dbgfs_is_match("report_policy=", buf);
864 ret = kstrtou32(data, 10, &value);
866 mvm->tof_data.range_req.report_policy = value;
870 data = iwl_dbgfs_is_match("macaddr_random=", buf);
872 ret = kstrtou32(data, 10, &value);
874 mvm->tof_data.range_req.macaddr_random = value;
878 data = iwl_dbgfs_is_match("num_of_ap=", buf);
880 ret = kstrtou32(data, 10, &value);
882 mvm->tof_data.range_req.num_of_ap = value;
886 data = iwl_dbgfs_is_match("macaddr_template=", buf);
890 if (!mac_pton(data, mac)) {
894 memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN);
897 data = iwl_dbgfs_is_match("macaddr_mask=", buf);
901 if (!mac_pton(data, mac)) {
905 memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN);
908 data = iwl_dbgfs_is_match("ap=", buf);
910 struct iwl_tof_range_req_ap_entry ap;
911 int size = sizeof(struct iwl_tof_range_req_ap_entry);
916 if (sscanf(data, "%u %hhd %hhx %hhx"
917 "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"
920 "%hhx %hhx %hhx %hhx",
921 &i, &ap.channel_num, &ap.bandwidth,
922 &ap.ctrl_ch_position,
923 mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5,
924 &ap.measure_type, &ap.num_of_bursts,
926 &ap.samples_per_burst, &ap.retries_per_sample,
927 &ap.tsf_delta, &ap.location_req, &ap.asap_mode,
928 &ap.enable_dyn_ack, &ap.rssi) != 20) {
932 if (i >= IWL_MVM_TOF_MAX_APS) {
933 IWL_ERR(mvm, "Invalid AP index %d\n", i);
938 ap.burst_period = cpu_to_le16(burst_period);
940 memcpy(&mvm->tof_data.range_req.ap[i], &ap, size);
944 data = iwl_dbgfs_is_match("send_range_request=", buf);
946 ret = kstrtou32(data, 10, &value);
947 if (ret == 0 && value) {
948 ret = iwl_mvm_tof_range_request_cmd(mvm, vif);
954 mutex_unlock(&mvm->mutex);
958 static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file,
959 char __user *user_buf,
960 size_t count, loff_t *ppos)
962 struct ieee80211_vif *vif = file->private_data;
963 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
964 struct iwl_mvm *mvm = mvmvif->mvm;
967 const size_t bufsz = sizeof(buf);
968 struct iwl_tof_range_req_cmd *cmd;
971 cmd = &mvm->tof_data.range_req;
973 mutex_lock(&mvm->mutex);
975 pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n",
977 pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n",
979 pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n",
980 cmd->one_sided_los_disable);
981 pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n",
983 pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n",
985 pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n",
986 cmd->macaddr_random);
987 pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n",
988 cmd->macaddr_template);
989 pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n",
991 pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n",
993 for (i = 0; i < cmd->num_of_ap; i++) {
994 struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i];
996 pos += scnprintf(buf + pos, bufsz - pos,
997 "ap %.2d: channel_num=%hhx bw=%hhx"
998 " control=%hhx bssid=%pM type=%hhx"
999 " num_of_bursts=%hhx burst_period=%hx ftm=%hhx"
1000 " retries=%hhx tsf_delta=%x location_req=%hhx "
1001 " asap=%hhx enable=%hhx rssi=%hhx\n",
1002 i, ap->channel_num, ap->bandwidth,
1003 ap->ctrl_ch_position, ap->bssid,
1004 ap->measure_type, ap->num_of_bursts,
1005 ap->burst_period, ap->samples_per_burst,
1006 ap->retries_per_sample, ap->tsf_delta,
1007 ap->location_req, ap->asap_mode,
1008 ap->enable_dyn_ack, ap->rssi);
1011 mutex_unlock(&mvm->mutex);
1013 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1016 static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif,
1018 size_t count, loff_t *ppos)
1020 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1021 struct iwl_mvm *mvm = mvmvif->mvm;
1025 mutex_lock(&mvm->mutex);
1027 data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf);
1029 ret = kstrtou32(data, 10, &value);
1031 mvm->tof_data.range_req_ext.tsf_timer_offset_msec =
1036 data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
1038 ret = kstrtou32(data, 10, &value);
1040 mvm->tof_data.range_req_ext.min_delta_ftm = value;
1044 data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf);
1046 ret = kstrtou32(data, 10, &value);
1048 mvm->tof_data.range_req_ext.ftm_format_and_bw20M =
1053 data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf);
1055 ret = kstrtou32(data, 10, &value);
1057 mvm->tof_data.range_req_ext.ftm_format_and_bw40M =
1062 data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf);
1064 ret = kstrtou32(data, 10, &value);
1066 mvm->tof_data.range_req_ext.ftm_format_and_bw80M =
1071 data = iwl_dbgfs_is_match("send_range_req_ext=", buf);
1073 ret = kstrtou32(data, 10, &value);
1074 if (ret == 0 && value) {
1075 ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif);
1081 mutex_unlock(&mvm->mutex);
1082 return ret ?: count;
1085 static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file,
1086 char __user *user_buf,
1087 size_t count, loff_t *ppos)
1089 struct ieee80211_vif *vif = file->private_data;
1090 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1091 struct iwl_mvm *mvm = mvmvif->mvm;
1094 const size_t bufsz = sizeof(buf);
1095 struct iwl_tof_range_req_ext_cmd *cmd;
1097 cmd = &mvm->tof_data.range_req_ext;
1099 mutex_lock(&mvm->mutex);
1101 pos += scnprintf(buf + pos, bufsz - pos,
1102 "tsf_timer_offset_msec = %hx\n",
1103 cmd->tsf_timer_offset_msec);
1104 pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhx\n",
1105 cmd->min_delta_ftm);
1106 pos += scnprintf(buf + pos, bufsz - pos,
1107 "ftm_format_and_bw20M = %hhx\n",
1108 cmd->ftm_format_and_bw20M);
1109 pos += scnprintf(buf + pos, bufsz - pos,
1110 "ftm_format_and_bw40M = %hhx\n",
1111 cmd->ftm_format_and_bw40M);
1112 pos += scnprintf(buf + pos, bufsz - pos,
1113 "ftm_format_and_bw80M = %hhx\n",
1114 cmd->ftm_format_and_bw80M);
1116 mutex_unlock(&mvm->mutex);
1117 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1120 static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif,
1122 size_t count, loff_t *ppos)
1124 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1125 struct iwl_mvm *mvm = mvmvif->mvm;
1130 mutex_lock(&mvm->mutex);
1132 data = iwl_dbgfs_is_match("abort_id=", buf);
1134 ret = kstrtou32(data, 10, &value);
1136 mvm->tof_data.last_abort_id = value;
1140 data = iwl_dbgfs_is_match("send_range_abort=", buf);
1142 ret = kstrtou32(data, 10, &value);
1143 if (ret == 0 && value) {
1144 abort_id = mvm->tof_data.last_abort_id;
1145 ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id);
1151 mutex_unlock(&mvm->mutex);
1152 return ret ?: count;
1155 static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file,
1156 char __user *user_buf,
1157 size_t count, loff_t *ppos)
1159 struct ieee80211_vif *vif = file->private_data;
1160 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1161 struct iwl_mvm *mvm = mvmvif->mvm;
1164 const size_t bufsz = sizeof(buf);
1167 mutex_lock(&mvm->mutex);
1168 last_abort_id = mvm->tof_data.last_abort_id;
1169 mutex_unlock(&mvm->mutex);
1171 pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n",
1173 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1176 static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file,
1177 char __user *user_buf,
1178 size_t count, loff_t *ppos)
1180 struct ieee80211_vif *vif = file->private_data;
1181 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1182 struct iwl_mvm *mvm = mvmvif->mvm;
1185 const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256;
1186 struct iwl_tof_range_rsp_ntfy *cmd;
1189 buf = kzalloc(bufsz, GFP_KERNEL);
1193 mutex_lock(&mvm->mutex);
1194 cmd = &mvm->tof_data.range_resp;
1196 pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n",
1198 pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n",
1199 cmd->request_status);
1200 pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n",
1201 cmd->last_in_batch);
1202 pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n",
1204 for (i = 0; i < cmd->num_of_aps; i++) {
1205 struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i];
1207 pos += scnprintf(buf + pos, bufsz - pos,
1208 "ap %.2d: bssid=%pM status=%hhx bw=%hhx"
1209 " rtt=%x rtt_var=%x rtt_spread=%x"
1210 " rssi=%hhx rssi_spread=%hhx"
1211 " range=%x range_var=%x"
1213 i, ap->bssid, ap->measure_status,
1215 ap->rtt, ap->rtt_variance, ap->rtt_spread,
1216 ap->rssi, ap->rssi_spread, ap->range,
1217 ap->range_variance, ap->timestamp);
1219 mutex_unlock(&mvm->mutex);
1221 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1226 static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
1227 size_t count, loff_t *ppos)
1229 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1230 struct iwl_mvm *mvm = mvmvif->mvm;
1234 ret = kstrtou8(buf, 0, &value);
1240 mutex_lock(&mvm->mutex);
1241 iwl_mvm_update_low_latency(mvm, vif, value);
1242 mutex_unlock(&mvm->mutex);
1247 static ssize_t iwl_dbgfs_low_latency_read(struct file *file,
1248 char __user *user_buf,
1249 size_t count, loff_t *ppos)
1251 struct ieee80211_vif *vif = file->private_data;
1252 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1255 buf[0] = mvmvif->low_latency ? '1' : '0';
1258 return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
1261 static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file,
1262 char __user *user_buf,
1263 size_t count, loff_t *ppos)
1265 struct ieee80211_vif *vif = file->private_data;
1266 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1270 len = sprintf(buf, "%pM\n", mvmvif->uapsd_misbehaving_bssid);
1271 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1274 static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif,
1275 char *buf, size_t count,
1278 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1279 struct iwl_mvm *mvm = mvmvif->mvm;
1282 mutex_lock(&mvm->mutex);
1283 ret = mac_pton(buf, mvmvif->uapsd_misbehaving_bssid);
1284 mutex_unlock(&mvm->mutex);
1286 return ret ? count : -EINVAL;
1289 static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf,
1290 size_t count, loff_t *ppos)
1292 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1293 struct iwl_mvm *mvm = mvmvif->mvm;
1294 struct ieee80211_chanctx_conf *chanctx_conf;
1295 struct iwl_mvm_phy_ctxt *phy_ctxt;
1299 ret = kstrtou16(buf, 0, &value);
1303 mutex_lock(&mvm->mutex);
1306 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1307 /* make sure the channel context is assigned */
1308 if (!chanctx_conf) {
1310 mutex_unlock(&mvm->mutex);
1314 phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv];
1317 mvm->dbgfs_rx_phyinfo = value;
1319 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def,
1320 chanctx_conf->rx_chains_static,
1321 chanctx_conf->rx_chains_dynamic);
1322 mutex_unlock(&mvm->mutex);
1324 return ret ?: count;
1327 static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file,
1328 char __user *user_buf,
1329 size_t count, loff_t *ppos)
1331 struct ieee80211_vif *vif = file->private_data;
1332 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1335 snprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo);
1337 return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
1340 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1341 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1342 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1343 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1344 #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \
1345 if (!debugfs_create_file(#name, mode, parent, vif, \
1346 &iwl_dbgfs_##name##_ops)) \
1350 MVM_DEBUGFS_READ_FILE_OPS(mac_params);
1351 MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt);
1352 MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);
1353 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
1354 MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
1355 MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
1356 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
1357 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32);
1358 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512);
1359 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32);
1360 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32);
1361 MVM_DEBUGFS_READ_FILE_OPS(tof_range_response);
1362 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32);
1364 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1366 struct dentry *dbgfs_dir = vif->debugfs_dir;
1367 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1371 * Check if debugfs directory already exist before creating it.
1372 * This may happen when, for example, resetting hw or suspend-resume
1374 if (!dbgfs_dir || mvmvif->dbgfs_dir)
1377 mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
1379 if (!mvmvif->dbgfs_dir) {
1380 IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
1381 dbgfs_dir->d_name.name);
1385 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
1386 ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) ||
1387 (vif->type == NL80211_IFTYPE_STATION && vif->p2p &&
1388 mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)))
1389 MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
1392 MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR);
1393 MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR);
1394 MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir,
1396 MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir,
1398 MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir,
1401 if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1402 mvmvif == mvm->bf_allowed_vif)
1403 MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
1406 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) &&
1407 !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) {
1408 if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP)
1409 MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params,
1413 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir,
1415 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir,
1417 MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir,
1419 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir,
1421 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir,
1426 * Create symlink for convenience pointing to interface specific
1427 * debugfs entries for the driver. For example, under
1428 * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
1430 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
1432 snprintf(buf, 100, "../../../%s/%s/%s/%s",
1433 dbgfs_dir->d_parent->d_parent->d_name.name,
1434 dbgfs_dir->d_parent->d_name.name,
1435 dbgfs_dir->d_name.name,
1436 mvmvif->dbgfs_dir->d_name.name);
1438 mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
1439 mvm->debugfs_dir, buf);
1440 if (!mvmvif->dbgfs_slink)
1441 IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
1442 dbgfs_dir->d_name.name);
1445 IWL_ERR(mvm, "Can't create debugfs entity\n");
1448 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1450 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1452 debugfs_remove(mvmvif->dbgfs_slink);
1453 mvmvif->dbgfs_slink = NULL;
1455 debugfs_remove_recursive(mvmvif->dbgfs_dir);
1456 mvmvif->dbgfs_dir = NULL;