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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c1483
1 files changed, 1483 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
new file mode 100644
index 000000000000..7904b41a04c6
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -0,0 +1,1483 @@
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 *
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.
14 *
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.
19 *
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,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
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
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
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
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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.
63 *
64 *****************************************************************************/
65#include "mvm.h"
66#include "fw-api-tof.h"
67#include "debugfs.h"
68
69static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
70 struct ieee80211_vif *vif,
71 enum iwl_dbgfs_pm_mask param, int val)
72{
73 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
74 struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm;
75
76 dbgfs_pm->mask |= param;
77
78 switch (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;
82
83 IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val);
84 if (val * MSEC_PER_SEC < 3 * dtimper_msec)
85 IWL_WARN(mvm,
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;
89 break;
90 }
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;
95 break;
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;
99 break;
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;
103 break;
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;
107 break;
108 case MVM_DEBUGFS_PM_LPRX_ENA:
109 IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
110 dbgfs_pm->lprx_ena = val;
111 break;
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;
115 break;
116 case MVM_DEBUGFS_PM_SNOOZE_ENABLE:
117 IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val);
118 dbgfs_pm->snooze_ena = val;
119 break;
120 case MVM_DEBUGFS_PM_UAPSD_MISBEHAVING:
121 IWL_DEBUG_POWER(mvm, "uapsd_misbehaving_enable=%d\n", val);
122 dbgfs_pm->uapsd_misbehaving = val;
123 break;
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;
127 break;
128 }
129}
130
131static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf,
132 size_t count, loff_t *ppos)
133{
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;
137 int val, ret;
138
139 if (!strncmp("keep_alive=", buf, 11)) {
140 if (sscanf(buf + 11, "%d", &val) != 1)
141 return -EINVAL;
142 param = MVM_DEBUGFS_PM_KEEP_ALIVE;
143 } else if (!strncmp("skip_over_dtim=", buf, 15)) {
144 if (sscanf(buf + 15, "%d", &val) != 1)
145 return -EINVAL;
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)
149 return -EINVAL;
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)
153 return -EINVAL;
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)
157 return -EINVAL;
158 param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
159 } else if (!strncmp("lprx=", buf, 5)) {
160 if (sscanf(buf + 5, "%d", &val) != 1)
161 return -EINVAL;
162 param = MVM_DEBUGFS_PM_LPRX_ENA;
163 } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) {
164 if (sscanf(buf + 20, "%d", &val) != 1)
165 return -EINVAL;
166 if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val <
167 POWER_LPRX_RSSI_THRESHOLD_MIN)
168 return -EINVAL;
169 param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD;
170 } else if (!strncmp("snooze_enable=", buf, 14)) {
171 if (sscanf(buf + 14, "%d", &val) != 1)
172 return -EINVAL;
173 param = MVM_DEBUGFS_PM_SNOOZE_ENABLE;
174 } else if (!strncmp("uapsd_misbehaving=", buf, 18)) {
175 if (sscanf(buf + 18, "%d", &val) != 1)
176 return -EINVAL;
177 param = MVM_DEBUGFS_PM_UAPSD_MISBEHAVING;
178 } else if (!strncmp("use_ps_poll=", buf, 12)) {
179 if (sscanf(buf + 12, "%d", &val) != 1)
180 return -EINVAL;
181 param = MVM_DEBUGFS_PM_USE_PS_POLL;
182 } else {
183 return -EINVAL;
184 }
185
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);
190
191 return ret ?: count;
192}
193
194static ssize_t iwl_dbgfs_tx_pwr_lmt_read(struct file *file,
195 char __user *user_buf,
196 size_t count, loff_t *ppos)
197{
198 struct ieee80211_vif *vif = file->private_data;
199 char buf[64];
200 int bufsz = sizeof(buf);
201 int pos;
202
203 pos = scnprintf(buf, bufsz, "bss limit = %d\n",
204 vif->bss_conf.txpower);
205
206 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
207}
208
209static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
210 char __user *user_buf,
211 size_t count, loff_t *ppos)
212{
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;
216 char buf[512];
217 int bufsz = sizeof(buf);
218 int pos;
219
220 pos = iwl_mvm_power_mac_dbgfs_read(mvm, vif, buf, bufsz);
221
222 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
223}
224
225static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
226 char __user *user_buf,
227 size_t count, loff_t *ppos)
228{
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;
232 u8 ap_sta_id;
233 struct ieee80211_chanctx_conf *chanctx_conf;
234 char buf[512];
235 int bufsz = sizeof(buf);
236 int pos = 0;
237 int i;
238
239 mutex_lock(&mvm->mutex);
240
241 ap_sta_id = mvmvif->ap_sta_id;
242
243 switch (ieee80211_vif_type_p2p(vif)) {
244 case NL80211_IFTYPE_ADHOC:
245 pos += scnprintf(buf+pos, bufsz-pos, "type: ibss\n");
246 break;
247 case NL80211_IFTYPE_STATION:
248 pos += scnprintf(buf+pos, bufsz-pos, "type: bss\n");
249 break;
250 case NL80211_IFTYPE_AP:
251 pos += scnprintf(buf+pos, bufsz-pos, "type: ap\n");
252 break;
253 case NL80211_IFTYPE_P2P_CLIENT:
254 pos += scnprintf(buf+pos, bufsz-pos, "type: p2p client\n");
255 break;
256 case NL80211_IFTYPE_P2P_GO:
257 pos += scnprintf(buf+pos, bufsz-pos, "type: p2p go\n");
258 break;
259 case NL80211_IFTYPE_P2P_DEVICE:
260 pos += scnprintf(buf+pos, bufsz-pos, "type: p2p dev\n");
261 break;
262 default:
263 break;
264 }
265
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);
279
280 if (vif->type == NL80211_IFTYPE_STATION &&
281 ap_sta_id != IWL_MVM_STATION_COUNT) {
282 struct ieee80211_sta *sta;
283
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);
288
289 pos += scnprintf(buf+pos, bufsz-pos,
290 "ap_sta_id %d - reduced Tx power %d\n",
291 ap_sta_id,
292 mvm_sta->bt_reduced_txpower);
293 }
294 }
295
296 rcu_read_lock();
297 chanctx_conf = rcu_dereference(vif->chanctx_conf);
298 if (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);
303 rcu_read_unlock();
304
305 mutex_unlock(&mvm->mutex);
306
307 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
308}
309
310static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
311 enum iwl_dbgfs_bf_mask param, int value)
312{
313 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
314 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
315
316 dbgfs_bf->mask |= param;
317
318 switch (param) {
319 case MVM_DEBUGFS_BF_ENERGY_DELTA:
320 dbgfs_bf->bf_energy_delta = value;
321 break;
322 case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
323 dbgfs_bf->bf_roaming_energy_delta = value;
324 break;
325 case MVM_DEBUGFS_BF_ROAMING_STATE:
326 dbgfs_bf->bf_roaming_state = value;
327 break;
328 case MVM_DEBUGFS_BF_TEMP_THRESHOLD:
329 dbgfs_bf->bf_temp_threshold = value;
330 break;
331 case MVM_DEBUGFS_BF_TEMP_FAST_FILTER:
332 dbgfs_bf->bf_temp_fast_filter = value;
333 break;
334 case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER:
335 dbgfs_bf->bf_temp_slow_filter = value;
336 break;
337 case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER:
338 dbgfs_bf->bf_enable_beacon_filter = value;
339 break;
340 case MVM_DEBUGFS_BF_DEBUG_FLAG:
341 dbgfs_bf->bf_debug_flag = value;
342 break;
343 case MVM_DEBUGFS_BF_ESCAPE_TIMER:
344 dbgfs_bf->bf_escape_timer = value;
345 break;
346 case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT:
347 dbgfs_bf->ba_enable_beacon_abort = value;
348 break;
349 case MVM_DEBUGFS_BA_ESCAPE_TIMER:
350 dbgfs_bf->ba_escape_timer = value;
351 break;
352 }
353}
354
355static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf,
356 size_t count, loff_t *ppos)
357{
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;
361 int value, ret = 0;
362
363 if (!strncmp("bf_energy_delta=", buf, 16)) {
364 if (sscanf(buf+16, "%d", &value) != 1)
365 return -EINVAL;
366 if (value < IWL_BF_ENERGY_DELTA_MIN ||
367 value > IWL_BF_ENERGY_DELTA_MAX)
368 return -EINVAL;
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)
372 return -EINVAL;
373 if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN ||
374 value > IWL_BF_ROAMING_ENERGY_DELTA_MAX)
375 return -EINVAL;
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)
379 return -EINVAL;
380 if (value < IWL_BF_ROAMING_STATE_MIN ||
381 value > IWL_BF_ROAMING_STATE_MAX)
382 return -EINVAL;
383 param = MVM_DEBUGFS_BF_ROAMING_STATE;
384 } else if (!strncmp("bf_temp_threshold=", buf, 18)) {
385 if (sscanf(buf+18, "%d", &value) != 1)
386 return -EINVAL;
387 if (value < IWL_BF_TEMP_THRESHOLD_MIN ||
388 value > IWL_BF_TEMP_THRESHOLD_MAX)
389 return -EINVAL;
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)
393 return -EINVAL;
394 if (value < IWL_BF_TEMP_FAST_FILTER_MIN ||
395 value > IWL_BF_TEMP_FAST_FILTER_MAX)
396 return -EINVAL;
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)
400 return -EINVAL;
401 if (value < IWL_BF_TEMP_SLOW_FILTER_MIN ||
402 value > IWL_BF_TEMP_SLOW_FILTER_MAX)
403 return -EINVAL;
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)
407 return -EINVAL;
408 if (value < 0 || value > 1)
409 return -EINVAL;
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)
413 return -EINVAL;
414 if (value < 0 || value > 1)
415 return -EINVAL;
416 param = MVM_DEBUGFS_BF_DEBUG_FLAG;
417 } else if (!strncmp("bf_escape_timer=", buf, 16)) {
418 if (sscanf(buf+16, "%d", &value) != 1)
419 return -EINVAL;
420 if (value < IWL_BF_ESCAPE_TIMER_MIN ||
421 value > IWL_BF_ESCAPE_TIMER_MAX)
422 return -EINVAL;
423 param = MVM_DEBUGFS_BF_ESCAPE_TIMER;
424 } else if (!strncmp("ba_escape_timer=", buf, 16)) {
425 if (sscanf(buf+16, "%d", &value) != 1)
426 return -EINVAL;
427 if (value < IWL_BA_ESCAPE_TIMER_MIN ||
428 value > IWL_BA_ESCAPE_TIMER_MAX)
429 return -EINVAL;
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)
433 return -EINVAL;
434 if (value < 0 || value > 1)
435 return -EINVAL;
436 param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT;
437 } else {
438 return -EINVAL;
439 }
440
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);
445 else
446 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
447 mutex_unlock(&mvm->mutex);
448
449 return ret ?: count;
450}
451
452static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
453 char __user *user_buf,
454 size_t count, loff_t *ppos)
455{
456 struct ieee80211_vif *vif = file->private_data;
457 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
458 char buf[256];
459 int pos = 0;
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),
467 };
468
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);
472 else
473 cmd.bf_enable_beacon_filter = 0;
474
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));
497
498 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
499}
500
501static inline char *iwl_dbgfs_is_match(char *name, char *buf)
502{
503 int len = strlen(name);
504
505 return !strncmp(name, buf, len) ? buf + len : NULL;
506}
507
508static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif,
509 char *buf,
510 size_t count, loff_t *ppos)
511{
512 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
513 struct iwl_mvm *mvm = mvmvif->mvm;
514 u32 value;
515 int ret = -EINVAL;
516 char *data;
517
518 mutex_lock(&mvm->mutex);
519
520 data = iwl_dbgfs_is_match("tof_disabled=", buf);
521 if (data) {
522 ret = kstrtou32(data, 10, &value);
523 if (ret == 0)
524 mvm->tof_data.tof_cfg.tof_disabled = value;
525 goto out;
526 }
527
528 data = iwl_dbgfs_is_match("one_sided_disabled=", buf);
529 if (data) {
530 ret = kstrtou32(data, 10, &value);
531 if (ret == 0)
532 mvm->tof_data.tof_cfg.one_sided_disabled = value;
533 goto out;
534 }
535
536 data = iwl_dbgfs_is_match("is_debug_mode=", buf);
537 if (data) {
538 ret = kstrtou32(data, 10, &value);
539 if (ret == 0)
540 mvm->tof_data.tof_cfg.is_debug_mode = value;
541 goto out;
542 }
543
544 data = iwl_dbgfs_is_match("is_buf=", buf);
545 if (data) {
546 ret = kstrtou32(data, 10, &value);
547 if (ret == 0)
548 mvm->tof_data.tof_cfg.is_buf_required = value;
549 goto out;
550 }
551
552 data = iwl_dbgfs_is_match("send_tof_cfg=", buf);
553 if (data) {
554 ret = kstrtou32(data, 10, &value);
555 if (ret == 0 && value) {
556 ret = iwl_mvm_tof_config_cmd(mvm);
557 goto out;
558 }
559 }
560
561out:
562 mutex_unlock(&mvm->mutex);
563
564 return ret ?: count;
565}
566
567static ssize_t iwl_dbgfs_tof_enable_read(struct file *file,
568 char __user *user_buf,
569 size_t count, loff_t *ppos)
570{
571 struct ieee80211_vif *vif = file->private_data;
572 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
573 struct iwl_mvm *mvm = mvmvif->mvm;
574 char buf[256];
575 int pos = 0;
576 const size_t bufsz = sizeof(buf);
577 struct iwl_tof_config_cmd *cmd;
578
579 cmd = &mvm->tof_data.tof_cfg;
580
581 mutex_lock(&mvm->mutex);
582
583 pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n",
584 cmd->tof_disabled);
585 pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n",
586 cmd->one_sided_disabled);
587 pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n",
588 cmd->is_debug_mode);
589 pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n",
590 cmd->is_buf_required);
591
592 mutex_unlock(&mvm->mutex);
593
594 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
595}
596
597static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif,
598 char *buf,
599 size_t count, loff_t *ppos)
600{
601 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
602 struct iwl_mvm *mvm = mvmvif->mvm;
603 u32 value;
604 int ret = 0;
605 char *data;
606
607 mutex_lock(&mvm->mutex);
608
609 data = iwl_dbgfs_is_match("burst_period=", buf);
610 if (data) {
611 ret = kstrtou32(data, 10, &value);
612 if (!ret)
613 mvm->tof_data.responder_cfg.burst_period =
614 cpu_to_le16(value);
615 goto out;
616 }
617
618 data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
619 if (data) {
620 ret = kstrtou32(data, 10, &value);
621 if (ret == 0)
622 mvm->tof_data.responder_cfg.min_delta_ftm = value;
623 goto out;
624 }
625
626 data = iwl_dbgfs_is_match("burst_duration=", buf);
627 if (data) {
628 ret = kstrtou32(data, 10, &value);
629 if (ret == 0)
630 mvm->tof_data.responder_cfg.burst_duration = value;
631 goto out;
632 }
633
634 data = iwl_dbgfs_is_match("num_of_burst_exp=", buf);
635 if (data) {
636 ret = kstrtou32(data, 10, &value);
637 if (ret == 0)
638 mvm->tof_data.responder_cfg.num_of_burst_exp = value;
639 goto out;
640 }
641
642 data = iwl_dbgfs_is_match("abort_responder=", buf);
643 if (data) {
644 ret = kstrtou32(data, 10, &value);
645 if (ret == 0)
646 mvm->tof_data.responder_cfg.abort_responder = value;
647 goto out;
648 }
649
650 data = iwl_dbgfs_is_match("get_ch_est=", buf);
651 if (data) {
652 ret = kstrtou32(data, 10, &value);
653 if (ret == 0)
654 mvm->tof_data.responder_cfg.get_ch_est = value;
655 goto out;
656 }
657
658 data = iwl_dbgfs_is_match("recv_sta_req_params=", buf);
659 if (data) {
660 ret = kstrtou32(data, 10, &value);
661 if (ret == 0)
662 mvm->tof_data.responder_cfg.recv_sta_req_params = value;
663 goto out;
664 }
665
666 data = iwl_dbgfs_is_match("channel_num=", buf);
667 if (data) {
668 ret = kstrtou32(data, 10, &value);
669 if (ret == 0)
670 mvm->tof_data.responder_cfg.channel_num = value;
671 goto out;
672 }
673
674 data = iwl_dbgfs_is_match("bandwidth=", buf);
675 if (data) {
676 ret = kstrtou32(data, 10, &value);
677 if (ret == 0)
678 mvm->tof_data.responder_cfg.bandwidth = value;
679 goto out;
680 }
681
682 data = iwl_dbgfs_is_match("rate=", buf);
683 if (data) {
684 ret = kstrtou32(data, 10, &value);
685 if (ret == 0)
686 mvm->tof_data.responder_cfg.rate = value;
687 goto out;
688 }
689
690 data = iwl_dbgfs_is_match("bssid=", buf);
691 if (data) {
692 u8 *mac = mvm->tof_data.responder_cfg.bssid;
693
694 if (!mac_pton(data, mac)) {
695 ret = -EINVAL;
696 goto out;
697 }
698 }
699
700 data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf);
701 if (data) {
702 ret = kstrtou32(data, 10, &value);
703 if (ret == 0)
704 mvm->tof_data.responder_cfg.tsf_timer_offset_msecs =
705 cpu_to_le16(value);
706 goto out;
707 }
708
709 data = iwl_dbgfs_is_match("toa_offset=", buf);
710 if (data) {
711 ret = kstrtou32(data, 10, &value);
712 if (ret == 0)
713 mvm->tof_data.responder_cfg.toa_offset =
714 cpu_to_le16(value);
715 goto out;
716 }
717
718 data = iwl_dbgfs_is_match("center_freq=", buf);
719 if (data) {
720 struct iwl_tof_responder_config_cmd *cmd =
721 &mvm->tof_data.responder_cfg;
722
723 ret = kstrtou32(data, 10, &value);
724 if (ret == 0 && value) {
725 enum ieee80211_band band = (cmd->channel_num <= 14) ?
726 IEEE80211_BAND_2GHZ :
727 IEEE80211_BAND_5GHZ;
728 struct ieee80211_channel chn = {
729 .band = band,
730 .center_freq = ieee80211_channel_to_frequency(
731 cmd->channel_num, band),
732 };
733 struct cfg80211_chan_def chandef = {
734 .chan = &chn,
735 .center_freq1 =
736 ieee80211_channel_to_frequency(value,
737 band),
738 };
739
740 cmd->ctrl_ch_position = iwl_mvm_get_ctrl_pos(&chandef);
741 }
742 goto out;
743 }
744
745 data = iwl_dbgfs_is_match("ftm_per_burst=", buf);
746 if (data) {
747 ret = kstrtou32(data, 10, &value);
748 if (ret == 0)
749 mvm->tof_data.responder_cfg.ftm_per_burst = value;
750 goto out;
751 }
752
753 data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf);
754 if (data) {
755 ret = kstrtou32(data, 10, &value);
756 if (ret == 0)
757 mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value;
758 goto out;
759 }
760
761 data = iwl_dbgfs_is_match("asap_mode=", buf);
762 if (data) {
763 ret = kstrtou32(data, 10, &value);
764 if (ret == 0)
765 mvm->tof_data.responder_cfg.asap_mode = value;
766 goto out;
767 }
768
769 data = iwl_dbgfs_is_match("send_responder_cfg=", buf);
770 if (data) {
771 ret = kstrtou32(data, 10, &value);
772 if (ret == 0 && value) {
773 ret = iwl_mvm_tof_responder_cmd(mvm, vif);
774 goto out;
775 }
776 }
777
778out:
779 mutex_unlock(&mvm->mutex);
780
781 return ret ?: count;
782}
783
784static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file,
785 char __user *user_buf,
786 size_t count, loff_t *ppos)
787{
788 struct ieee80211_vif *vif = file->private_data;
789 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
790 struct iwl_mvm *mvm = mvmvif->mvm;
791 char buf[256];
792 int pos = 0;
793 const size_t bufsz = sizeof(buf);
794 struct iwl_tof_responder_config_cmd *cmd;
795
796 cmd = &mvm->tof_data.responder_cfg;
797
798 mutex_lock(&mvm->mutex);
799
800 pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n",
801 le16_to_cpu(cmd->burst_period));
802 pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n",
803 cmd->burst_duration);
804 pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n",
805 cmd->bandwidth);
806 pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n",
807 cmd->channel_num);
808 pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n",
809 cmd->ctrl_ch_position);
810 pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n",
811 cmd->bssid);
812 pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n",
813 cmd->min_delta_ftm);
814 pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n",
815 cmd->num_of_burst_exp);
816 pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate);
817 pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n",
818 cmd->abort_responder);
819 pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n",
820 cmd->get_ch_est);
821 pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n",
822 cmd->recv_sta_req_params);
823 pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n",
824 cmd->ftm_per_burst);
825 pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n",
826 cmd->ftm_resp_ts_avail);
827 pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n",
828 cmd->asap_mode);
829 pos += scnprintf(buf + pos, bufsz - pos,
830 "tsf_timer_offset_msecs = %d\n",
831 le16_to_cpu(cmd->tsf_timer_offset_msecs));
832 pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n",
833 le16_to_cpu(cmd->toa_offset));
834
835 mutex_unlock(&mvm->mutex);
836
837 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
838}
839
840static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
841 char *buf, size_t count,
842 loff_t *ppos)
843{
844 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
845 struct iwl_mvm *mvm = mvmvif->mvm;
846 u32 value;
847 int ret = 0;
848 char *data;
849
850 mutex_lock(&mvm->mutex);
851
852 data = iwl_dbgfs_is_match("request_id=", buf);
853 if (data) {
854 ret = kstrtou32(data, 10, &value);
855 if (ret == 0)
856 mvm->tof_data.range_req.request_id = value;
857 goto out;
858 }
859
860 data = iwl_dbgfs_is_match("initiator=", buf);
861 if (data) {
862 ret = kstrtou32(data, 10, &value);
863 if (ret == 0)
864 mvm->tof_data.range_req.initiator = value;
865 goto out;
866 }
867
868 data = iwl_dbgfs_is_match("one_sided_los_disable=", buf);
869 if (data) {
870 ret = kstrtou32(data, 10, &value);
871 if (ret == 0)
872 mvm->tof_data.range_req.one_sided_los_disable = value;
873 goto out;
874 }
875
876 data = iwl_dbgfs_is_match("req_timeout=", buf);
877 if (data) {
878 ret = kstrtou32(data, 10, &value);
879 if (ret == 0)
880 mvm->tof_data.range_req.req_timeout = value;
881 goto out;
882 }
883
884 data = iwl_dbgfs_is_match("report_policy=", buf);
885 if (data) {
886 ret = kstrtou32(data, 10, &value);
887 if (ret == 0)
888 mvm->tof_data.range_req.report_policy = value;
889 goto out;
890 }
891
892 data = iwl_dbgfs_is_match("macaddr_random=", buf);
893 if (data) {
894 ret = kstrtou32(data, 10, &value);
895 if (ret == 0)
896 mvm->tof_data.range_req.macaddr_random = value;
897 goto out;
898 }
899
900 data = iwl_dbgfs_is_match("num_of_ap=", buf);
901 if (data) {
902 ret = kstrtou32(data, 10, &value);
903 if (ret == 0)
904 mvm->tof_data.range_req.num_of_ap = value;
905 goto out;
906 }
907
908 data = iwl_dbgfs_is_match("macaddr_template=", buf);
909 if (data) {
910 u8 mac[ETH_ALEN];
911
912 if (!mac_pton(data, mac)) {
913 ret = -EINVAL;
914 goto out;
915 }
916 memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN);
917 goto out;
918 }
919
920 data = iwl_dbgfs_is_match("macaddr_mask=", buf);
921 if (data) {
922 u8 mac[ETH_ALEN];
923
924 if (!mac_pton(data, mac)) {
925 ret = -EINVAL;
926 goto out;
927 }
928 memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN);
929 goto out;
930 }
931
932 data = iwl_dbgfs_is_match("ap=", buf);
933 if (data) {
934 struct iwl_tof_range_req_ap_entry ap = {};
935 int size = sizeof(struct iwl_tof_range_req_ap_entry);
936 u16 burst_period;
937 u8 *mac = ap.bssid;
938 unsigned int i;
939
940 if (sscanf(data, "%u %hhd %hhd %hhd"
941 "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"
942 "%hhd %hhd %hd"
943 "%hhd %hhd %d"
944 "%hhx %hhd %hhd %hhd",
945 &i, &ap.channel_num, &ap.bandwidth,
946 &ap.ctrl_ch_position,
947 mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5,
948 &ap.measure_type, &ap.num_of_bursts,
949 &burst_period,
950 &ap.samples_per_burst, &ap.retries_per_sample,
951 &ap.tsf_delta, &ap.location_req, &ap.asap_mode,
952 &ap.enable_dyn_ack, &ap.rssi) != 20) {
953 ret = -EINVAL;
954 goto out;
955 }
956 if (i >= IWL_MVM_TOF_MAX_APS) {
957 IWL_ERR(mvm, "Invalid AP index %d\n", i);
958 ret = -EINVAL;
959 goto out;
960 }
961
962 ap.burst_period = cpu_to_le16(burst_period);
963
964 memcpy(&mvm->tof_data.range_req.ap[i], &ap, size);
965 goto out;
966 }
967
968 data = iwl_dbgfs_is_match("send_range_request=", buf);
969 if (data) {
970 ret = kstrtou32(data, 10, &value);
971 if (ret == 0 && value)
972 ret = iwl_mvm_tof_range_request_cmd(mvm, vif);
973 goto out;
974 }
975
976 ret = -EINVAL;
977out:
978 mutex_unlock(&mvm->mutex);
979 return ret ?: count;
980}
981
982static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file,
983 char __user *user_buf,
984 size_t count, loff_t *ppos)
985{
986 struct ieee80211_vif *vif = file->private_data;
987 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
988 struct iwl_mvm *mvm = mvmvif->mvm;
989 char buf[512];
990 int pos = 0;
991 const size_t bufsz = sizeof(buf);
992 struct iwl_tof_range_req_cmd *cmd;
993 int i;
994
995 cmd = &mvm->tof_data.range_req;
996
997 mutex_lock(&mvm->mutex);
998
999 pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n",
1000 cmd->request_id);
1001 pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n",
1002 cmd->initiator);
1003 pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n",
1004 cmd->one_sided_los_disable);
1005 pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n",
1006 cmd->req_timeout);
1007 pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n",
1008 cmd->report_policy);
1009 pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n",
1010 cmd->macaddr_random);
1011 pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n",
1012 cmd->macaddr_template);
1013 pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n",
1014 cmd->macaddr_mask);
1015 pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n",
1016 cmd->num_of_ap);
1017 for (i = 0; i < cmd->num_of_ap; i++) {
1018 struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i];
1019
1020 pos += scnprintf(buf + pos, bufsz - pos,
1021 "ap %.2d: channel_num=%hhd bw=%hhd"
1022 " control=%hhd bssid=%pM type=%hhd"
1023 " num_of_bursts=%hhd burst_period=%hd ftm=%hhd"
1024 " retries=%hhd tsf_delta=%d"
1025 " tsf_delta_direction=%hhd location_req=0x%hhx "
1026 " asap=%hhd enable=%hhd rssi=%hhd\n",
1027 i, ap->channel_num, ap->bandwidth,
1028 ap->ctrl_ch_position, ap->bssid,
1029 ap->measure_type, ap->num_of_bursts,
1030 ap->burst_period, ap->samples_per_burst,
1031 ap->retries_per_sample, ap->tsf_delta,
1032 ap->tsf_delta_direction,
1033 ap->location_req, ap->asap_mode,
1034 ap->enable_dyn_ack, ap->rssi);
1035 }
1036
1037 mutex_unlock(&mvm->mutex);
1038
1039 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1040}
1041
1042static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif,
1043 char *buf,
1044 size_t count, loff_t *ppos)
1045{
1046 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1047 struct iwl_mvm *mvm = mvmvif->mvm;
1048 u32 value;
1049 int ret = 0;
1050 char *data;
1051
1052 mutex_lock(&mvm->mutex);
1053
1054 data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf);
1055 if (data) {
1056 ret = kstrtou32(data, 10, &value);
1057 if (ret == 0)
1058 mvm->tof_data.range_req_ext.tsf_timer_offset_msec =
1059 cpu_to_le16(value);
1060 goto out;
1061 }
1062
1063 data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
1064 if (data) {
1065 ret = kstrtou32(data, 10, &value);
1066 if (ret == 0)
1067 mvm->tof_data.range_req_ext.min_delta_ftm = value;
1068 goto out;
1069 }
1070
1071 data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf);
1072 if (data) {
1073 ret = kstrtou32(data, 10, &value);
1074 if (ret == 0)
1075 mvm->tof_data.range_req_ext.ftm_format_and_bw20M =
1076 value;
1077 goto out;
1078 }
1079
1080 data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf);
1081 if (data) {
1082 ret = kstrtou32(data, 10, &value);
1083 if (ret == 0)
1084 mvm->tof_data.range_req_ext.ftm_format_and_bw40M =
1085 value;
1086 goto out;
1087 }
1088
1089 data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf);
1090 if (data) {
1091 ret = kstrtou32(data, 10, &value);
1092 if (ret == 0)
1093 mvm->tof_data.range_req_ext.ftm_format_and_bw80M =
1094 value;
1095 goto out;
1096 }
1097
1098 data = iwl_dbgfs_is_match("send_range_req_ext=", buf);
1099 if (data) {
1100 ret = kstrtou32(data, 10, &value);
1101 if (ret == 0 && value)
1102 ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif);
1103 goto out;
1104 }
1105
1106 ret = -EINVAL;
1107out:
1108 mutex_unlock(&mvm->mutex);
1109 return ret ?: count;
1110}
1111
1112static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file,
1113 char __user *user_buf,
1114 size_t count, loff_t *ppos)
1115{
1116 struct ieee80211_vif *vif = file->private_data;
1117 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1118 struct iwl_mvm *mvm = mvmvif->mvm;
1119 char buf[256];
1120 int pos = 0;
1121 const size_t bufsz = sizeof(buf);
1122 struct iwl_tof_range_req_ext_cmd *cmd;
1123
1124 cmd = &mvm->tof_data.range_req_ext;
1125
1126 mutex_lock(&mvm->mutex);
1127
1128 pos += scnprintf(buf + pos, bufsz - pos,
1129 "tsf_timer_offset_msec = %hd\n",
1130 cmd->tsf_timer_offset_msec);
1131 pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhd\n",
1132 cmd->min_delta_ftm);
1133 pos += scnprintf(buf + pos, bufsz - pos,
1134 "ftm_format_and_bw20M = %hhd\n",
1135 cmd->ftm_format_and_bw20M);
1136 pos += scnprintf(buf + pos, bufsz - pos,
1137 "ftm_format_and_bw40M = %hhd\n",
1138 cmd->ftm_format_and_bw40M);
1139 pos += scnprintf(buf + pos, bufsz - pos,
1140 "ftm_format_and_bw80M = %hhd\n",
1141 cmd->ftm_format_and_bw80M);
1142
1143 mutex_unlock(&mvm->mutex);
1144 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1145}
1146
1147static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif,
1148 char *buf,
1149 size_t count, loff_t *ppos)
1150{
1151 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1152 struct iwl_mvm *mvm = mvmvif->mvm;
1153 u32 value;
1154 int abort_id, ret = 0;
1155 char *data;
1156
1157 mutex_lock(&mvm->mutex);
1158
1159 data = iwl_dbgfs_is_match("abort_id=", buf);
1160 if (data) {
1161 ret = kstrtou32(data, 10, &value);
1162 if (ret == 0)
1163 mvm->tof_data.last_abort_id = value;
1164 goto out;
1165 }
1166
1167 data = iwl_dbgfs_is_match("send_range_abort=", buf);
1168 if (data) {
1169 ret = kstrtou32(data, 10, &value);
1170 if (ret == 0 && value) {
1171 abort_id = mvm->tof_data.last_abort_id;
1172 ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id);
1173 goto out;
1174 }
1175 }
1176
1177out:
1178 mutex_unlock(&mvm->mutex);
1179 return ret ?: count;
1180}
1181
1182static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file,
1183 char __user *user_buf,
1184 size_t count, loff_t *ppos)
1185{
1186 struct ieee80211_vif *vif = file->private_data;
1187 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1188 struct iwl_mvm *mvm = mvmvif->mvm;
1189 char buf[32];
1190 int pos = 0;
1191 const size_t bufsz = sizeof(buf);
1192 int last_abort_id;
1193
1194 mutex_lock(&mvm->mutex);
1195 last_abort_id = mvm->tof_data.last_abort_id;
1196 mutex_unlock(&mvm->mutex);
1197
1198 pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n",
1199 last_abort_id);
1200 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1201}
1202
1203static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file,
1204 char __user *user_buf,
1205 size_t count, loff_t *ppos)
1206{
1207 struct ieee80211_vif *vif = file->private_data;
1208 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1209 struct iwl_mvm *mvm = mvmvif->mvm;
1210 char *buf;
1211 int pos = 0;
1212 const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256;
1213 struct iwl_tof_range_rsp_ntfy *cmd;
1214 int i, ret;
1215
1216 buf = kzalloc(bufsz, GFP_KERNEL);
1217 if (!buf)
1218 return -ENOMEM;
1219
1220 mutex_lock(&mvm->mutex);
1221 cmd = &mvm->tof_data.range_resp;
1222
1223 pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n",
1224 cmd->request_id);
1225 pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n",
1226 cmd->request_status);
1227 pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n",
1228 cmd->last_in_batch);
1229 pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n",
1230 cmd->num_of_aps);
1231 for (i = 0; i < cmd->num_of_aps; i++) {
1232 struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i];
1233
1234 pos += scnprintf(buf + pos, bufsz - pos,
1235 "ap %.2d: bssid=%pM status=%hhd bw=%hhd"
1236 " rtt=%d rtt_var=%d rtt_spread=%d"
1237 " rssi=%hhd rssi_spread=%hhd"
1238 " range=%d range_var=%d"
1239 " time_stamp=%d\n",
1240 i, ap->bssid, ap->measure_status,
1241 ap->measure_bw,
1242 ap->rtt, ap->rtt_variance, ap->rtt_spread,
1243 ap->rssi, ap->rssi_spread, ap->range,
1244 ap->range_variance, ap->timestamp);
1245 }
1246 mutex_unlock(&mvm->mutex);
1247
1248 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1249 kfree(buf);
1250 return ret;
1251}
1252
1253static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
1254 size_t count, loff_t *ppos)
1255{
1256 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1257 struct iwl_mvm *mvm = mvmvif->mvm;
1258 u8 value;
1259 int ret;
1260
1261 ret = kstrtou8(buf, 0, &value);
1262 if (ret)
1263 return ret;
1264 if (value > 1)
1265 return -EINVAL;
1266
1267 mutex_lock(&mvm->mutex);
1268 iwl_mvm_update_low_latency(mvm, vif, value);
1269 mutex_unlock(&mvm->mutex);
1270
1271 return count;
1272}
1273
1274static ssize_t iwl_dbgfs_low_latency_read(struct file *file,
1275 char __user *user_buf,
1276 size_t count, loff_t *ppos)
1277{
1278 struct ieee80211_vif *vif = file->private_data;
1279 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1280 char buf[2];
1281
1282 buf[0] = mvmvif->low_latency ? '1' : '0';
1283 buf[1] = '\n';
1284 return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
1285}
1286
1287static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file,
1288 char __user *user_buf,
1289 size_t count, loff_t *ppos)
1290{
1291 struct ieee80211_vif *vif = file->private_data;
1292 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1293 char buf[20];
1294 int len;
1295
1296 len = sprintf(buf, "%pM\n", mvmvif->uapsd_misbehaving_bssid);
1297 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1298}
1299
1300static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif,
1301 char *buf, size_t count,
1302 loff_t *ppos)
1303{
1304 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1305 struct iwl_mvm *mvm = mvmvif->mvm;
1306 bool ret;
1307
1308 mutex_lock(&mvm->mutex);
1309 ret = mac_pton(buf, mvmvif->uapsd_misbehaving_bssid);
1310 mutex_unlock(&mvm->mutex);
1311
1312 return ret ? count : -EINVAL;
1313}
1314
1315static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf,
1316 size_t count, loff_t *ppos)
1317{
1318 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1319 struct iwl_mvm *mvm = mvmvif->mvm;
1320 struct ieee80211_chanctx_conf *chanctx_conf;
1321 struct iwl_mvm_phy_ctxt *phy_ctxt;
1322 u16 value;
1323 int ret;
1324
1325 ret = kstrtou16(buf, 0, &value);
1326 if (ret)
1327 return ret;
1328
1329 mutex_lock(&mvm->mutex);
1330 rcu_read_lock();
1331
1332 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1333 /* make sure the channel context is assigned */
1334 if (!chanctx_conf) {
1335 rcu_read_unlock();
1336 mutex_unlock(&mvm->mutex);
1337 return -EINVAL;
1338 }
1339
1340 phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv];
1341 rcu_read_unlock();
1342
1343 mvm->dbgfs_rx_phyinfo = value;
1344
1345 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def,
1346 chanctx_conf->rx_chains_static,
1347 chanctx_conf->rx_chains_dynamic);
1348 mutex_unlock(&mvm->mutex);
1349
1350 return ret ?: count;
1351}
1352
1353static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file,
1354 char __user *user_buf,
1355 size_t count, loff_t *ppos)
1356{
1357 struct ieee80211_vif *vif = file->private_data;
1358 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1359 char buf[8];
1360
1361 snprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo);
1362
1363 return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
1364}
1365
1366#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1367 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1368#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1369 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1370#define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \
1371 if (!debugfs_create_file(#name, mode, parent, vif, \
1372 &iwl_dbgfs_##name##_ops)) \
1373 goto err; \
1374 } while (0)
1375
1376MVM_DEBUGFS_READ_FILE_OPS(mac_params);
1377MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt);
1378MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);
1379MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
1380MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
1381MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
1382MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
1383MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32);
1384MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512);
1385MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32);
1386MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32);
1387MVM_DEBUGFS_READ_FILE_OPS(tof_range_response);
1388MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32);
1389
1390void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1391{
1392 struct dentry *dbgfs_dir = vif->debugfs_dir;
1393 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1394 char buf[100];
1395
1396 /*
1397 * Check if debugfs directory already exist before creating it.
1398 * This may happen when, for example, resetting hw or suspend-resume
1399 */
1400 if (!dbgfs_dir || mvmvif->dbgfs_dir)
1401 return;
1402
1403 mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
1404
1405 if (!mvmvif->dbgfs_dir) {
1406 IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
1407 dbgfs_dir->d_name.name);
1408 return;
1409 }
1410
1411 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
1412 ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) ||
1413 (vif->type == NL80211_IFTYPE_STATION && vif->p2p &&
1414 mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)))
1415 MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
1416 S_IRUSR);
1417
1418 MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR);
1419 MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR);
1420 MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir,
1421 S_IRUSR | S_IWUSR);
1422 MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir,
1423 S_IRUSR | S_IWUSR);
1424 MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir,
1425 S_IRUSR | S_IWUSR);
1426
1427 if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1428 mvmvif == mvm->bf_allowed_vif)
1429 MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
1430 S_IRUSR | S_IWUSR);
1431
1432 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) &&
1433 !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) {
1434 if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP)
1435 MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params,
1436 mvmvif->dbgfs_dir,
1437 S_IRUSR | S_IWUSR);
1438
1439 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir,
1440 S_IRUSR | S_IWUSR);
1441 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir,
1442 S_IRUSR | S_IWUSR);
1443 MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir,
1444 S_IRUSR | S_IWUSR);
1445 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir,
1446 S_IRUSR | S_IWUSR);
1447 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir,
1448 S_IRUSR);
1449 }
1450
1451 /*
1452 * Create symlink for convenience pointing to interface specific
1453 * debugfs entries for the driver. For example, under
1454 * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
1455 * find
1456 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
1457 */
1458 snprintf(buf, 100, "../../../%s/%s/%s/%s",
1459 dbgfs_dir->d_parent->d_parent->d_name.name,
1460 dbgfs_dir->d_parent->d_name.name,
1461 dbgfs_dir->d_name.name,
1462 mvmvif->dbgfs_dir->d_name.name);
1463
1464 mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
1465 mvm->debugfs_dir, buf);
1466 if (!mvmvif->dbgfs_slink)
1467 IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
1468 dbgfs_dir->d_name.name);
1469 return;
1470err:
1471 IWL_ERR(mvm, "Can't create debugfs entity\n");
1472}
1473
1474void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1475{
1476 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1477
1478 debugfs_remove(mvmvif->dbgfs_slink);
1479 mvmvif->dbgfs_slink = NULL;
1480
1481 debugfs_remove_recursive(mvmvif->dbgfs_dir);
1482 mvmvif->dbgfs_dir = NULL;
1483}
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-21 20:03:55 -0500