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820a1a50 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 | * | |
51368bf7 | 8 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
25870cb7 | 9 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
b525d081 | 10 | * Copyright(c) 2016 Intel Deutschland GmbH |
820a1a50 JB |
11 | * |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of version 2 of the GNU General Public License as | |
14 | * published by the Free Software Foundation. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
24 | * USA | |
25 | * | |
26 | * The full GNU General Public License is included in this distribution | |
27 | * in the file called COPYING. | |
28 | * | |
29 | * Contact Information: | |
cb2f8277 | 30 | * Intel Linux Wireless <linuxwifi@intel.com> |
820a1a50 JB |
31 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
32 | * | |
33 | * BSD LICENSE | |
34 | * | |
51368bf7 | 35 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
25870cb7 | 36 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
b525d081 | 37 | * Copyright(c) 2016 Intel Deutschland GmbH |
820a1a50 JB |
38 | * All rights reserved. |
39 | * | |
40 | * Redistribution and use in source and binary forms, with or without | |
41 | * modification, are permitted provided that the following conditions | |
42 | * are met: | |
43 | * | |
44 | * * Redistributions of source code must retain the above copyright | |
45 | * notice, this list of conditions and the following disclaimer. | |
46 | * * Redistributions in binary form must reproduce the above copyright | |
47 | * notice, this list of conditions and the following disclaimer in | |
48 | * the documentation and/or other materials provided with the | |
49 | * distribution. | |
50 | * * Neither the name Intel Corporation nor the names of its | |
51 | * contributors may be used to endorse or promote products derived | |
52 | * from this software without specific prior written permission. | |
53 | * | |
54 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
55 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
56 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
57 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
58 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
59 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
60 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
61 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
62 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
63 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
64 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
65 | * | |
66 | *****************************************************************************/ | |
67 | #include "mvm.h" | |
ce792918 | 68 | #include "fw-api-tof.h" |
820a1a50 JB |
69 | #include "debugfs.h" |
70 | ||
e45a941d AB |
71 | static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, |
72 | struct ieee80211_vif *vif, | |
73 | enum iwl_dbgfs_pm_mask param, int val) | |
74 | { | |
75 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
76 | struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm; | |
77 | ||
78 | dbgfs_pm->mask |= param; | |
79 | ||
80 | switch (param) { | |
81 | case MVM_DEBUGFS_PM_KEEP_ALIVE: { | |
717e2390 | 82 | int dtimper = vif->bss_conf.dtim_period ?: 1; |
e45a941d AB |
83 | int dtimper_msec = dtimper * vif->bss_conf.beacon_int; |
84 | ||
85 | IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val); | |
86 | if (val * MSEC_PER_SEC < 3 * dtimper_msec) | |
87 | IWL_WARN(mvm, | |
88 | "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n", | |
89 | val * MSEC_PER_SEC, 3 * dtimper_msec); | |
90 | dbgfs_pm->keep_alive_seconds = val; | |
91 | break; | |
92 | } | |
93 | case MVM_DEBUGFS_PM_SKIP_OVER_DTIM: | |
94 | IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n", | |
95 | val ? "enabled" : "disabled"); | |
96 | dbgfs_pm->skip_over_dtim = val; | |
97 | break; | |
98 | case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS: | |
99 | IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val); | |
100 | dbgfs_pm->skip_dtim_periods = val; | |
101 | break; | |
102 | case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT: | |
103 | IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val); | |
104 | dbgfs_pm->rx_data_timeout = val; | |
105 | break; | |
106 | case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT: | |
107 | IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val); | |
108 | dbgfs_pm->tx_data_timeout = val; | |
109 | break; | |
e45a941d AB |
110 | case MVM_DEBUGFS_PM_LPRX_ENA: |
111 | IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled"); | |
112 | dbgfs_pm->lprx_ena = val; | |
113 | break; | |
114 | case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD: | |
115 | IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val); | |
116 | dbgfs_pm->lprx_rssi_threshold = val; | |
117 | break; | |
118 | case MVM_DEBUGFS_PM_SNOOZE_ENABLE: | |
119 | IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val); | |
120 | dbgfs_pm->snooze_ena = val; | |
121 | break; | |
122 | case MVM_DEBUGFS_PM_UAPSD_MISBEHAVING: | |
123 | IWL_DEBUG_POWER(mvm, "uapsd_misbehaving_enable=%d\n", val); | |
124 | dbgfs_pm->uapsd_misbehaving = val; | |
125 | break; | |
84fd7608 EP |
126 | case MVM_DEBUGFS_PM_USE_PS_POLL: |
127 | IWL_DEBUG_POWER(mvm, "use_ps_poll=%d\n", val); | |
128 | dbgfs_pm->use_ps_poll = val; | |
129 | break; | |
e45a941d AB |
130 | } |
131 | } | |
132 | ||
133 | static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf, | |
134 | size_t count, loff_t *ppos) | |
135 | { | |
136 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
137 | struct iwl_mvm *mvm = mvmvif->mvm; | |
138 | enum iwl_dbgfs_pm_mask param; | |
139 | int val, ret; | |
140 | ||
141 | if (!strncmp("keep_alive=", buf, 11)) { | |
142 | if (sscanf(buf + 11, "%d", &val) != 1) | |
143 | return -EINVAL; | |
144 | param = MVM_DEBUGFS_PM_KEEP_ALIVE; | |
145 | } else if (!strncmp("skip_over_dtim=", buf, 15)) { | |
146 | if (sscanf(buf + 15, "%d", &val) != 1) | |
147 | return -EINVAL; | |
148 | param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM; | |
149 | } else if (!strncmp("skip_dtim_periods=", buf, 18)) { | |
150 | if (sscanf(buf + 18, "%d", &val) != 1) | |
151 | return -EINVAL; | |
152 | param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS; | |
153 | } else if (!strncmp("rx_data_timeout=", buf, 16)) { | |
154 | if (sscanf(buf + 16, "%d", &val) != 1) | |
155 | return -EINVAL; | |
156 | param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT; | |
157 | } else if (!strncmp("tx_data_timeout=", buf, 16)) { | |
158 | if (sscanf(buf + 16, "%d", &val) != 1) | |
159 | return -EINVAL; | |
160 | param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT; | |
e45a941d AB |
161 | } else if (!strncmp("lprx=", buf, 5)) { |
162 | if (sscanf(buf + 5, "%d", &val) != 1) | |
163 | return -EINVAL; | |
164 | param = MVM_DEBUGFS_PM_LPRX_ENA; | |
165 | } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) { | |
166 | if (sscanf(buf + 20, "%d", &val) != 1) | |
167 | return -EINVAL; | |
168 | if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val < | |
169 | POWER_LPRX_RSSI_THRESHOLD_MIN) | |
170 | return -EINVAL; | |
171 | param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD; | |
172 | } else if (!strncmp("snooze_enable=", buf, 14)) { | |
173 | if (sscanf(buf + 14, "%d", &val) != 1) | |
174 | return -EINVAL; | |
175 | param = MVM_DEBUGFS_PM_SNOOZE_ENABLE; | |
176 | } else if (!strncmp("uapsd_misbehaving=", buf, 18)) { | |
177 | if (sscanf(buf + 18, "%d", &val) != 1) | |
178 | return -EINVAL; | |
179 | param = MVM_DEBUGFS_PM_UAPSD_MISBEHAVING; | |
84fd7608 EP |
180 | } else if (!strncmp("use_ps_poll=", buf, 12)) { |
181 | if (sscanf(buf + 12, "%d", &val) != 1) | |
182 | return -EINVAL; | |
183 | param = MVM_DEBUGFS_PM_USE_PS_POLL; | |
e45a941d AB |
184 | } else { |
185 | return -EINVAL; | |
186 | } | |
187 | ||
188 | mutex_lock(&mvm->mutex); | |
189 | iwl_dbgfs_update_pm(mvm, vif, param, val); | |
999609f1 | 190 | ret = iwl_mvm_power_update_mac(mvm); |
e45a941d AB |
191 | mutex_unlock(&mvm->mutex); |
192 | ||
193 | return ret ?: count; | |
194 | } | |
195 | ||
25870cb7 MG |
196 | static ssize_t iwl_dbgfs_tx_pwr_lmt_read(struct file *file, |
197 | char __user *user_buf, | |
198 | size_t count, loff_t *ppos) | |
199 | { | |
200 | struct ieee80211_vif *vif = file->private_data; | |
201 | char buf[64]; | |
202 | int bufsz = sizeof(buf); | |
203 | int pos; | |
204 | ||
205 | pos = scnprintf(buf, bufsz, "bss limit = %d\n", | |
206 | vif->bss_conf.txpower); | |
207 | ||
208 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
209 | } | |
210 | ||
e45a941d AB |
211 | static ssize_t iwl_dbgfs_pm_params_read(struct file *file, |
212 | char __user *user_buf, | |
213 | size_t count, loff_t *ppos) | |
214 | { | |
215 | struct ieee80211_vif *vif = file->private_data; | |
216 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
217 | struct iwl_mvm *mvm = mvmvif->mvm; | |
218 | char buf[512]; | |
219 | int bufsz = sizeof(buf); | |
220 | int pos; | |
221 | ||
c1cb92fc | 222 | pos = iwl_mvm_power_mac_dbgfs_read(mvm, vif, buf, bufsz); |
e45a941d AB |
223 | |
224 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
225 | } | |
226 | ||
820a1a50 JB |
227 | static ssize_t iwl_dbgfs_mac_params_read(struct file *file, |
228 | char __user *user_buf, | |
229 | size_t count, loff_t *ppos) | |
230 | { | |
231 | struct ieee80211_vif *vif = file->private_data; | |
232 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
7f09d704 | 233 | struct iwl_mvm *mvm = mvmvif->mvm; |
820a1a50 JB |
234 | u8 ap_sta_id; |
235 | struct ieee80211_chanctx_conf *chanctx_conf; | |
236 | char buf[512]; | |
237 | int bufsz = sizeof(buf); | |
238 | int pos = 0; | |
239 | int i; | |
240 | ||
241 | mutex_lock(&mvm->mutex); | |
242 | ||
243 | ap_sta_id = mvmvif->ap_sta_id; | |
244 | ||
2284b951 EG |
245 | switch (ieee80211_vif_type_p2p(vif)) { |
246 | case NL80211_IFTYPE_ADHOC: | |
247 | pos += scnprintf(buf+pos, bufsz-pos, "type: ibss\n"); | |
248 | break; | |
249 | case NL80211_IFTYPE_STATION: | |
250 | pos += scnprintf(buf+pos, bufsz-pos, "type: bss\n"); | |
251 | break; | |
252 | case NL80211_IFTYPE_AP: | |
253 | pos += scnprintf(buf+pos, bufsz-pos, "type: ap\n"); | |
254 | break; | |
255 | case NL80211_IFTYPE_P2P_CLIENT: | |
256 | pos += scnprintf(buf+pos, bufsz-pos, "type: p2p client\n"); | |
257 | break; | |
258 | case NL80211_IFTYPE_P2P_GO: | |
259 | pos += scnprintf(buf+pos, bufsz-pos, "type: p2p go\n"); | |
260 | break; | |
261 | case NL80211_IFTYPE_P2P_DEVICE: | |
262 | pos += scnprintf(buf+pos, bufsz-pos, "type: p2p dev\n"); | |
263 | break; | |
264 | default: | |
265 | break; | |
266 | } | |
267 | ||
820a1a50 JB |
268 | pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n", |
269 | mvmvif->id, mvmvif->color); | |
270 | pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n", | |
271 | vif->bss_conf.bssid); | |
272 | pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n"); | |
273 | for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++) | |
274 | pos += scnprintf(buf+pos, bufsz-pos, | |
275 | "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n", | |
276 | i, mvmvif->queue_params[i].txop, | |
277 | mvmvif->queue_params[i].cw_min, | |
278 | mvmvif->queue_params[i].cw_max, | |
279 | mvmvif->queue_params[i].aifs, | |
280 | mvmvif->queue_params[i].uapsd); | |
281 | ||
282 | if (vif->type == NL80211_IFTYPE_STATION && | |
283 | ap_sta_id != IWL_MVM_STATION_COUNT) { | |
284 | struct ieee80211_sta *sta; | |
820a1a50 JB |
285 | |
286 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id], | |
287 | lockdep_is_held(&mvm->mutex)); | |
1ddbbb0c | 288 | if (!IS_ERR_OR_NULL(sta)) { |
9d8ce6af | 289 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
1ddbbb0c JB |
290 | |
291 | pos += scnprintf(buf+pos, bufsz-pos, | |
1fa477c6 | 292 | "ap_sta_id %d - reduced Tx power %d\n", |
1ddbbb0c | 293 | ap_sta_id, |
1fa477c6 | 294 | mvm_sta->bt_reduced_txpower); |
1ddbbb0c | 295 | } |
820a1a50 JB |
296 | } |
297 | ||
298 | rcu_read_lock(); | |
299 | chanctx_conf = rcu_dereference(vif->chanctx_conf); | |
300 | if (chanctx_conf) | |
301 | pos += scnprintf(buf+pos, bufsz-pos, | |
302 | "idle rx chains %d, active rx chains: %d\n", | |
303 | chanctx_conf->rx_chains_static, | |
304 | chanctx_conf->rx_chains_dynamic); | |
305 | rcu_read_unlock(); | |
306 | ||
307 | mutex_unlock(&mvm->mutex); | |
308 | ||
309 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
310 | } | |
311 | ||
e45a941d AB |
312 | static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif, |
313 | enum iwl_dbgfs_bf_mask param, int value) | |
314 | { | |
315 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
316 | struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; | |
317 | ||
318 | dbgfs_bf->mask |= param; | |
319 | ||
320 | switch (param) { | |
321 | case MVM_DEBUGFS_BF_ENERGY_DELTA: | |
322 | dbgfs_bf->bf_energy_delta = value; | |
323 | break; | |
324 | case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA: | |
325 | dbgfs_bf->bf_roaming_energy_delta = value; | |
326 | break; | |
327 | case MVM_DEBUGFS_BF_ROAMING_STATE: | |
328 | dbgfs_bf->bf_roaming_state = value; | |
329 | break; | |
330 | case MVM_DEBUGFS_BF_TEMP_THRESHOLD: | |
331 | dbgfs_bf->bf_temp_threshold = value; | |
332 | break; | |
333 | case MVM_DEBUGFS_BF_TEMP_FAST_FILTER: | |
334 | dbgfs_bf->bf_temp_fast_filter = value; | |
335 | break; | |
336 | case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER: | |
337 | dbgfs_bf->bf_temp_slow_filter = value; | |
338 | break; | |
339 | case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER: | |
340 | dbgfs_bf->bf_enable_beacon_filter = value; | |
341 | break; | |
342 | case MVM_DEBUGFS_BF_DEBUG_FLAG: | |
343 | dbgfs_bf->bf_debug_flag = value; | |
344 | break; | |
345 | case MVM_DEBUGFS_BF_ESCAPE_TIMER: | |
346 | dbgfs_bf->bf_escape_timer = value; | |
347 | break; | |
348 | case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT: | |
349 | dbgfs_bf->ba_enable_beacon_abort = value; | |
350 | break; | |
351 | case MVM_DEBUGFS_BA_ESCAPE_TIMER: | |
352 | dbgfs_bf->ba_escape_timer = value; | |
353 | break; | |
354 | } | |
355 | } | |
356 | ||
357 | static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf, | |
358 | size_t count, loff_t *ppos) | |
359 | { | |
360 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
361 | struct iwl_mvm *mvm = mvmvif->mvm; | |
362 | enum iwl_dbgfs_bf_mask param; | |
363 | int value, ret = 0; | |
364 | ||
365 | if (!strncmp("bf_energy_delta=", buf, 16)) { | |
366 | if (sscanf(buf+16, "%d", &value) != 1) | |
367 | return -EINVAL; | |
368 | if (value < IWL_BF_ENERGY_DELTA_MIN || | |
369 | value > IWL_BF_ENERGY_DELTA_MAX) | |
370 | return -EINVAL; | |
371 | param = MVM_DEBUGFS_BF_ENERGY_DELTA; | |
372 | } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) { | |
373 | if (sscanf(buf+24, "%d", &value) != 1) | |
374 | return -EINVAL; | |
375 | if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN || | |
376 | value > IWL_BF_ROAMING_ENERGY_DELTA_MAX) | |
377 | return -EINVAL; | |
378 | param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA; | |
379 | } else if (!strncmp("bf_roaming_state=", buf, 17)) { | |
380 | if (sscanf(buf+17, "%d", &value) != 1) | |
381 | return -EINVAL; | |
382 | if (value < IWL_BF_ROAMING_STATE_MIN || | |
383 | value > IWL_BF_ROAMING_STATE_MAX) | |
384 | return -EINVAL; | |
385 | param = MVM_DEBUGFS_BF_ROAMING_STATE; | |
386 | } else if (!strncmp("bf_temp_threshold=", buf, 18)) { | |
387 | if (sscanf(buf+18, "%d", &value) != 1) | |
388 | return -EINVAL; | |
389 | if (value < IWL_BF_TEMP_THRESHOLD_MIN || | |
390 | value > IWL_BF_TEMP_THRESHOLD_MAX) | |
391 | return -EINVAL; | |
392 | param = MVM_DEBUGFS_BF_TEMP_THRESHOLD; | |
393 | } else if (!strncmp("bf_temp_fast_filter=", buf, 20)) { | |
394 | if (sscanf(buf+20, "%d", &value) != 1) | |
395 | return -EINVAL; | |
396 | if (value < IWL_BF_TEMP_FAST_FILTER_MIN || | |
397 | value > IWL_BF_TEMP_FAST_FILTER_MAX) | |
398 | return -EINVAL; | |
399 | param = MVM_DEBUGFS_BF_TEMP_FAST_FILTER; | |
400 | } else if (!strncmp("bf_temp_slow_filter=", buf, 20)) { | |
401 | if (sscanf(buf+20, "%d", &value) != 1) | |
402 | return -EINVAL; | |
403 | if (value < IWL_BF_TEMP_SLOW_FILTER_MIN || | |
404 | value > IWL_BF_TEMP_SLOW_FILTER_MAX) | |
405 | return -EINVAL; | |
406 | param = MVM_DEBUGFS_BF_TEMP_SLOW_FILTER; | |
407 | } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) { | |
408 | if (sscanf(buf+24, "%d", &value) != 1) | |
409 | return -EINVAL; | |
410 | if (value < 0 || value > 1) | |
411 | return -EINVAL; | |
412 | param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER; | |
413 | } else if (!strncmp("bf_debug_flag=", buf, 14)) { | |
414 | if (sscanf(buf+14, "%d", &value) != 1) | |
415 | return -EINVAL; | |
416 | if (value < 0 || value > 1) | |
417 | return -EINVAL; | |
418 | param = MVM_DEBUGFS_BF_DEBUG_FLAG; | |
419 | } else if (!strncmp("bf_escape_timer=", buf, 16)) { | |
420 | if (sscanf(buf+16, "%d", &value) != 1) | |
421 | return -EINVAL; | |
422 | if (value < IWL_BF_ESCAPE_TIMER_MIN || | |
423 | value > IWL_BF_ESCAPE_TIMER_MAX) | |
424 | return -EINVAL; | |
425 | param = MVM_DEBUGFS_BF_ESCAPE_TIMER; | |
426 | } else if (!strncmp("ba_escape_timer=", buf, 16)) { | |
427 | if (sscanf(buf+16, "%d", &value) != 1) | |
428 | return -EINVAL; | |
429 | if (value < IWL_BA_ESCAPE_TIMER_MIN || | |
430 | value > IWL_BA_ESCAPE_TIMER_MAX) | |
431 | return -EINVAL; | |
432 | param = MVM_DEBUGFS_BA_ESCAPE_TIMER; | |
433 | } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) { | |
434 | if (sscanf(buf+23, "%d", &value) != 1) | |
435 | return -EINVAL; | |
436 | if (value < 0 || value > 1) | |
437 | return -EINVAL; | |
438 | param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT; | |
439 | } else { | |
440 | return -EINVAL; | |
441 | } | |
442 | ||
443 | mutex_lock(&mvm->mutex); | |
444 | iwl_dbgfs_update_bf(vif, param, value); | |
445 | if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value) | |
a1022927 | 446 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
e45a941d | 447 | else |
a1022927 | 448 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
e45a941d AB |
449 | mutex_unlock(&mvm->mutex); |
450 | ||
451 | return ret ?: count; | |
452 | } | |
453 | ||
454 | static ssize_t iwl_dbgfs_bf_params_read(struct file *file, | |
455 | char __user *user_buf, | |
456 | size_t count, loff_t *ppos) | |
457 | { | |
458 | struct ieee80211_vif *vif = file->private_data; | |
459 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
460 | char buf[256]; | |
461 | int pos = 0; | |
462 | const size_t bufsz = sizeof(buf); | |
463 | struct iwl_beacon_filter_cmd cmd = { | |
464 | IWL_BF_CMD_CONFIG_DEFAULTS, | |
465 | .bf_enable_beacon_filter = | |
466 | cpu_to_le32(IWL_BF_ENABLE_BEACON_FILTER_DEFAULT), | |
467 | .ba_enable_beacon_abort = | |
468 | cpu_to_le32(IWL_BA_ENABLE_BEACON_ABORT_DEFAULT), | |
469 | }; | |
470 | ||
471 | iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); | |
472 | if (mvmvif->bf_data.bf_enabled) | |
473 | cmd.bf_enable_beacon_filter = cpu_to_le32(1); | |
474 | else | |
475 | cmd.bf_enable_beacon_filter = 0; | |
476 | ||
477 | pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n", | |
478 | le32_to_cpu(cmd.bf_energy_delta)); | |
479 | pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n", | |
480 | le32_to_cpu(cmd.bf_roaming_energy_delta)); | |
481 | pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n", | |
482 | le32_to_cpu(cmd.bf_roaming_state)); | |
483 | pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_threshold = %d\n", | |
484 | le32_to_cpu(cmd.bf_temp_threshold)); | |
485 | pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_fast_filter = %d\n", | |
486 | le32_to_cpu(cmd.bf_temp_fast_filter)); | |
487 | pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_slow_filter = %d\n", | |
488 | le32_to_cpu(cmd.bf_temp_slow_filter)); | |
489 | pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n", | |
490 | le32_to_cpu(cmd.bf_enable_beacon_filter)); | |
491 | pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n", | |
492 | le32_to_cpu(cmd.bf_debug_flag)); | |
493 | pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n", | |
494 | le32_to_cpu(cmd.bf_escape_timer)); | |
495 | pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n", | |
496 | le32_to_cpu(cmd.ba_escape_timer)); | |
497 | pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n", | |
498 | le32_to_cpu(cmd.ba_enable_beacon_abort)); | |
499 | ||
500 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
501 | } | |
502 | ||
ce792918 GG |
503 | static inline char *iwl_dbgfs_is_match(char *name, char *buf) |
504 | { | |
505 | int len = strlen(name); | |
506 | ||
507 | return !strncmp(name, buf, len) ? buf + len : NULL; | |
508 | } | |
509 | ||
510 | static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif, | |
511 | char *buf, | |
512 | size_t count, loff_t *ppos) | |
513 | { | |
514 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
515 | struct iwl_mvm *mvm = mvmvif->mvm; | |
e6c21be6 JB |
516 | u32 value; |
517 | int ret = -EINVAL; | |
ce792918 GG |
518 | char *data; |
519 | ||
520 | mutex_lock(&mvm->mutex); | |
521 | ||
522 | data = iwl_dbgfs_is_match("tof_disabled=", buf); | |
523 | if (data) { | |
524 | ret = kstrtou32(data, 10, &value); | |
525 | if (ret == 0) | |
526 | mvm->tof_data.tof_cfg.tof_disabled = value; | |
527 | goto out; | |
528 | } | |
529 | ||
530 | data = iwl_dbgfs_is_match("one_sided_disabled=", buf); | |
531 | if (data) { | |
532 | ret = kstrtou32(data, 10, &value); | |
533 | if (ret == 0) | |
534 | mvm->tof_data.tof_cfg.one_sided_disabled = value; | |
535 | goto out; | |
536 | } | |
537 | ||
538 | data = iwl_dbgfs_is_match("is_debug_mode=", buf); | |
539 | if (data) { | |
540 | ret = kstrtou32(data, 10, &value); | |
541 | if (ret == 0) | |
542 | mvm->tof_data.tof_cfg.is_debug_mode = value; | |
543 | goto out; | |
544 | } | |
545 | ||
546 | data = iwl_dbgfs_is_match("is_buf=", buf); | |
547 | if (data) { | |
548 | ret = kstrtou32(data, 10, &value); | |
549 | if (ret == 0) | |
550 | mvm->tof_data.tof_cfg.is_buf_required = value; | |
551 | goto out; | |
552 | } | |
553 | ||
554 | data = iwl_dbgfs_is_match("send_tof_cfg=", buf); | |
555 | if (data) { | |
556 | ret = kstrtou32(data, 10, &value); | |
557 | if (ret == 0 && value) { | |
558 | ret = iwl_mvm_tof_config_cmd(mvm); | |
559 | goto out; | |
560 | } | |
561 | } | |
562 | ||
563 | out: | |
564 | mutex_unlock(&mvm->mutex); | |
565 | ||
566 | return ret ?: count; | |
567 | } | |
568 | ||
569 | static ssize_t iwl_dbgfs_tof_enable_read(struct file *file, | |
570 | char __user *user_buf, | |
571 | size_t count, loff_t *ppos) | |
572 | { | |
573 | struct ieee80211_vif *vif = file->private_data; | |
574 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
575 | struct iwl_mvm *mvm = mvmvif->mvm; | |
576 | char buf[256]; | |
577 | int pos = 0; | |
578 | const size_t bufsz = sizeof(buf); | |
579 | struct iwl_tof_config_cmd *cmd; | |
580 | ||
581 | cmd = &mvm->tof_data.tof_cfg; | |
582 | ||
583 | mutex_lock(&mvm->mutex); | |
584 | ||
585 | pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n", | |
586 | cmd->tof_disabled); | |
587 | pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n", | |
588 | cmd->one_sided_disabled); | |
589 | pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n", | |
590 | cmd->is_debug_mode); | |
591 | pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n", | |
592 | cmd->is_buf_required); | |
593 | ||
594 | mutex_unlock(&mvm->mutex); | |
595 | ||
596 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
597 | } | |
598 | ||
599 | static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif, | |
600 | char *buf, | |
601 | size_t count, loff_t *ppos) | |
602 | { | |
603 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
604 | struct iwl_mvm *mvm = mvmvif->mvm; | |
e6c21be6 JB |
605 | u32 value; |
606 | int ret = 0; | |
ce792918 GG |
607 | char *data; |
608 | ||
609 | mutex_lock(&mvm->mutex); | |
610 | ||
611 | data = iwl_dbgfs_is_match("burst_period=", buf); | |
612 | if (data) { | |
613 | ret = kstrtou32(data, 10, &value); | |
614 | if (!ret) | |
615 | mvm->tof_data.responder_cfg.burst_period = | |
616 | cpu_to_le16(value); | |
617 | goto out; | |
618 | } | |
619 | ||
620 | data = iwl_dbgfs_is_match("min_delta_ftm=", buf); | |
621 | if (data) { | |
622 | ret = kstrtou32(data, 10, &value); | |
623 | if (ret == 0) | |
624 | mvm->tof_data.responder_cfg.min_delta_ftm = value; | |
625 | goto out; | |
626 | } | |
627 | ||
628 | data = iwl_dbgfs_is_match("burst_duration=", buf); | |
629 | if (data) { | |
630 | ret = kstrtou32(data, 10, &value); | |
631 | if (ret == 0) | |
632 | mvm->tof_data.responder_cfg.burst_duration = value; | |
633 | goto out; | |
634 | } | |
635 | ||
636 | data = iwl_dbgfs_is_match("num_of_burst_exp=", buf); | |
637 | if (data) { | |
638 | ret = kstrtou32(data, 10, &value); | |
639 | if (ret == 0) | |
640 | mvm->tof_data.responder_cfg.num_of_burst_exp = value; | |
641 | goto out; | |
642 | } | |
643 | ||
644 | data = iwl_dbgfs_is_match("abort_responder=", buf); | |
645 | if (data) { | |
646 | ret = kstrtou32(data, 10, &value); | |
647 | if (ret == 0) | |
648 | mvm->tof_data.responder_cfg.abort_responder = value; | |
649 | goto out; | |
650 | } | |
651 | ||
652 | data = iwl_dbgfs_is_match("get_ch_est=", buf); | |
653 | if (data) { | |
654 | ret = kstrtou32(data, 10, &value); | |
655 | if (ret == 0) | |
656 | mvm->tof_data.responder_cfg.get_ch_est = value; | |
657 | goto out; | |
658 | } | |
659 | ||
660 | data = iwl_dbgfs_is_match("recv_sta_req_params=", buf); | |
661 | if (data) { | |
662 | ret = kstrtou32(data, 10, &value); | |
663 | if (ret == 0) | |
664 | mvm->tof_data.responder_cfg.recv_sta_req_params = value; | |
665 | goto out; | |
666 | } | |
667 | ||
668 | data = iwl_dbgfs_is_match("channel_num=", buf); | |
669 | if (data) { | |
670 | ret = kstrtou32(data, 10, &value); | |
671 | if (ret == 0) | |
672 | mvm->tof_data.responder_cfg.channel_num = value; | |
673 | goto out; | |
674 | } | |
675 | ||
676 | data = iwl_dbgfs_is_match("bandwidth=", buf); | |
677 | if (data) { | |
678 | ret = kstrtou32(data, 10, &value); | |
679 | if (ret == 0) | |
680 | mvm->tof_data.responder_cfg.bandwidth = value; | |
681 | goto out; | |
682 | } | |
683 | ||
684 | data = iwl_dbgfs_is_match("rate=", buf); | |
685 | if (data) { | |
686 | ret = kstrtou32(data, 10, &value); | |
687 | if (ret == 0) | |
688 | mvm->tof_data.responder_cfg.rate = value; | |
689 | goto out; | |
690 | } | |
691 | ||
692 | data = iwl_dbgfs_is_match("bssid=", buf); | |
693 | if (data) { | |
694 | u8 *mac = mvm->tof_data.responder_cfg.bssid; | |
695 | ||
696 | if (!mac_pton(data, mac)) { | |
697 | ret = -EINVAL; | |
698 | goto out; | |
699 | } | |
700 | } | |
701 | ||
702 | data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf); | |
703 | if (data) { | |
704 | ret = kstrtou32(data, 10, &value); | |
705 | if (ret == 0) | |
706 | mvm->tof_data.responder_cfg.tsf_timer_offset_msecs = | |
707 | cpu_to_le16(value); | |
708 | goto out; | |
709 | } | |
710 | ||
711 | data = iwl_dbgfs_is_match("toa_offset=", buf); | |
712 | if (data) { | |
713 | ret = kstrtou32(data, 10, &value); | |
714 | if (ret == 0) | |
715 | mvm->tof_data.responder_cfg.toa_offset = | |
716 | cpu_to_le16(value); | |
717 | goto out; | |
718 | } | |
719 | ||
c84af35d | 720 | data = iwl_dbgfs_is_match("center_freq=", buf); |
ce792918 | 721 | if (data) { |
c84af35d AK |
722 | struct iwl_tof_responder_config_cmd *cmd = |
723 | &mvm->tof_data.responder_cfg; | |
724 | ||
ce792918 | 725 | ret = kstrtou32(data, 10, &value); |
c84af35d AK |
726 | if (ret == 0 && value) { |
727 | enum ieee80211_band band = (cmd->channel_num <= 14) ? | |
728 | IEEE80211_BAND_2GHZ : | |
729 | IEEE80211_BAND_5GHZ; | |
730 | struct ieee80211_channel chn = { | |
731 | .band = band, | |
732 | .center_freq = ieee80211_channel_to_frequency( | |
733 | cmd->channel_num, band), | |
734 | }; | |
735 | struct cfg80211_chan_def chandef = { | |
736 | .chan = &chn, | |
737 | .center_freq1 = | |
738 | ieee80211_channel_to_frequency(value, | |
739 | band), | |
740 | }; | |
741 | ||
742 | cmd->ctrl_ch_position = iwl_mvm_get_ctrl_pos(&chandef); | |
743 | } | |
ce792918 GG |
744 | goto out; |
745 | } | |
746 | ||
747 | data = iwl_dbgfs_is_match("ftm_per_burst=", buf); | |
748 | if (data) { | |
749 | ret = kstrtou32(data, 10, &value); | |
750 | if (ret == 0) | |
751 | mvm->tof_data.responder_cfg.ftm_per_burst = value; | |
752 | goto out; | |
753 | } | |
754 | ||
755 | data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf); | |
756 | if (data) { | |
757 | ret = kstrtou32(data, 10, &value); | |
758 | if (ret == 0) | |
759 | mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value; | |
760 | goto out; | |
761 | } | |
762 | ||
763 | data = iwl_dbgfs_is_match("asap_mode=", buf); | |
764 | if (data) { | |
765 | ret = kstrtou32(data, 10, &value); | |
766 | if (ret == 0) | |
767 | mvm->tof_data.responder_cfg.asap_mode = value; | |
768 | goto out; | |
769 | } | |
770 | ||
771 | data = iwl_dbgfs_is_match("send_responder_cfg=", buf); | |
772 | if (data) { | |
773 | ret = kstrtou32(data, 10, &value); | |
774 | if (ret == 0 && value) { | |
775 | ret = iwl_mvm_tof_responder_cmd(mvm, vif); | |
776 | goto out; | |
777 | } | |
778 | } | |
779 | ||
780 | out: | |
781 | mutex_unlock(&mvm->mutex); | |
782 | ||
783 | return ret ?: count; | |
784 | } | |
785 | ||
786 | static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file, | |
787 | char __user *user_buf, | |
788 | size_t count, loff_t *ppos) | |
789 | { | |
790 | struct ieee80211_vif *vif = file->private_data; | |
791 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
792 | struct iwl_mvm *mvm = mvmvif->mvm; | |
793 | char buf[256]; | |
794 | int pos = 0; | |
795 | const size_t bufsz = sizeof(buf); | |
796 | struct iwl_tof_responder_config_cmd *cmd; | |
797 | ||
798 | cmd = &mvm->tof_data.responder_cfg; | |
799 | ||
800 | mutex_lock(&mvm->mutex); | |
801 | ||
802 | pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n", | |
803 | le16_to_cpu(cmd->burst_period)); | |
804 | pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n", | |
805 | cmd->burst_duration); | |
806 | pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n", | |
807 | cmd->bandwidth); | |
808 | pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n", | |
809 | cmd->channel_num); | |
810 | pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n", | |
811 | cmd->ctrl_ch_position); | |
812 | pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n", | |
813 | cmd->bssid); | |
814 | pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n", | |
815 | cmd->min_delta_ftm); | |
816 | pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n", | |
817 | cmd->num_of_burst_exp); | |
818 | pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate); | |
819 | pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n", | |
820 | cmd->abort_responder); | |
821 | pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n", | |
822 | cmd->get_ch_est); | |
823 | pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n", | |
824 | cmd->recv_sta_req_params); | |
825 | pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n", | |
826 | cmd->ftm_per_burst); | |
827 | pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n", | |
828 | cmd->ftm_resp_ts_avail); | |
829 | pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n", | |
830 | cmd->asap_mode); | |
831 | pos += scnprintf(buf + pos, bufsz - pos, | |
832 | "tsf_timer_offset_msecs = %d\n", | |
833 | le16_to_cpu(cmd->tsf_timer_offset_msecs)); | |
834 | pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n", | |
835 | le16_to_cpu(cmd->toa_offset)); | |
836 | ||
837 | mutex_unlock(&mvm->mutex); | |
838 | ||
839 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
840 | } | |
841 | ||
842 | static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif, | |
843 | char *buf, size_t count, | |
844 | loff_t *ppos) | |
845 | { | |
846 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
847 | struct iwl_mvm *mvm = mvmvif->mvm; | |
e6c21be6 JB |
848 | u32 value; |
849 | int ret = 0; | |
ce792918 GG |
850 | char *data; |
851 | ||
852 | mutex_lock(&mvm->mutex); | |
853 | ||
854 | data = iwl_dbgfs_is_match("request_id=", buf); | |
855 | if (data) { | |
856 | ret = kstrtou32(data, 10, &value); | |
857 | if (ret == 0) | |
858 | mvm->tof_data.range_req.request_id = value; | |
859 | goto out; | |
860 | } | |
861 | ||
862 | data = iwl_dbgfs_is_match("initiator=", buf); | |
863 | if (data) { | |
864 | ret = kstrtou32(data, 10, &value); | |
865 | if (ret == 0) | |
866 | mvm->tof_data.range_req.initiator = value; | |
867 | goto out; | |
868 | } | |
869 | ||
870 | data = iwl_dbgfs_is_match("one_sided_los_disable=", buf); | |
871 | if (data) { | |
872 | ret = kstrtou32(data, 10, &value); | |
873 | if (ret == 0) | |
874 | mvm->tof_data.range_req.one_sided_los_disable = value; | |
875 | goto out; | |
876 | } | |
877 | ||
878 | data = iwl_dbgfs_is_match("req_timeout=", buf); | |
879 | if (data) { | |
880 | ret = kstrtou32(data, 10, &value); | |
881 | if (ret == 0) | |
882 | mvm->tof_data.range_req.req_timeout = value; | |
883 | goto out; | |
884 | } | |
885 | ||
886 | data = iwl_dbgfs_is_match("report_policy=", buf); | |
887 | if (data) { | |
888 | ret = kstrtou32(data, 10, &value); | |
889 | if (ret == 0) | |
890 | mvm->tof_data.range_req.report_policy = value; | |
891 | goto out; | |
892 | } | |
893 | ||
894 | data = iwl_dbgfs_is_match("macaddr_random=", buf); | |
895 | if (data) { | |
896 | ret = kstrtou32(data, 10, &value); | |
897 | if (ret == 0) | |
898 | mvm->tof_data.range_req.macaddr_random = value; | |
899 | goto out; | |
900 | } | |
901 | ||
902 | data = iwl_dbgfs_is_match("num_of_ap=", buf); | |
903 | if (data) { | |
904 | ret = kstrtou32(data, 10, &value); | |
905 | if (ret == 0) | |
906 | mvm->tof_data.range_req.num_of_ap = value; | |
907 | goto out; | |
908 | } | |
909 | ||
910 | data = iwl_dbgfs_is_match("macaddr_template=", buf); | |
911 | if (data) { | |
912 | u8 mac[ETH_ALEN]; | |
913 | ||
914 | if (!mac_pton(data, mac)) { | |
915 | ret = -EINVAL; | |
916 | goto out; | |
917 | } | |
918 | memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN); | |
5ac15be8 | 919 | goto out; |
ce792918 GG |
920 | } |
921 | ||
922 | data = iwl_dbgfs_is_match("macaddr_mask=", buf); | |
923 | if (data) { | |
924 | u8 mac[ETH_ALEN]; | |
925 | ||
926 | if (!mac_pton(data, mac)) { | |
927 | ret = -EINVAL; | |
928 | goto out; | |
929 | } | |
930 | memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN); | |
5ac15be8 | 931 | goto out; |
ce792918 GG |
932 | } |
933 | ||
934 | data = iwl_dbgfs_is_match("ap=", buf); | |
935 | if (data) { | |
5ac15be8 | 936 | struct iwl_tof_range_req_ap_entry ap = {}; |
ce792918 GG |
937 | int size = sizeof(struct iwl_tof_range_req_ap_entry); |
938 | u16 burst_period; | |
939 | u8 *mac = ap.bssid; | |
5b9d47cd | 940 | unsigned int i; |
ce792918 | 941 | |
3e0fa505 | 942 | if (sscanf(data, "%u %hhd %hhd %hhd" |
ce792918 | 943 | "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx" |
3e0fa505 AK |
944 | "%hhd %hhd %hd" |
945 | "%hhd %hhd %d" | |
946 | "%hhx %hhd %hhd %hhd", | |
ce792918 GG |
947 | &i, &ap.channel_num, &ap.bandwidth, |
948 | &ap.ctrl_ch_position, | |
949 | mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5, | |
950 | &ap.measure_type, &ap.num_of_bursts, | |
951 | &burst_period, | |
952 | &ap.samples_per_burst, &ap.retries_per_sample, | |
953 | &ap.tsf_delta, &ap.location_req, &ap.asap_mode, | |
954 | &ap.enable_dyn_ack, &ap.rssi) != 20) { | |
955 | ret = -EINVAL; | |
956 | goto out; | |
957 | } | |
5b9d47cd | 958 | if (i >= IWL_MVM_TOF_MAX_APS) { |
ce792918 GG |
959 | IWL_ERR(mvm, "Invalid AP index %d\n", i); |
960 | ret = -EINVAL; | |
961 | goto out; | |
962 | } | |
963 | ||
964 | ap.burst_period = cpu_to_le16(burst_period); | |
965 | ||
966 | memcpy(&mvm->tof_data.range_req.ap[i], &ap, size); | |
967 | goto out; | |
968 | } | |
969 | ||
970 | data = iwl_dbgfs_is_match("send_range_request=", buf); | |
971 | if (data) { | |
972 | ret = kstrtou32(data, 10, &value); | |
5ac15be8 | 973 | if (ret == 0 && value) |
ce792918 | 974 | ret = iwl_mvm_tof_range_request_cmd(mvm, vif); |
5ac15be8 | 975 | goto out; |
ce792918 GG |
976 | } |
977 | ||
5ac15be8 | 978 | ret = -EINVAL; |
ce792918 GG |
979 | out: |
980 | mutex_unlock(&mvm->mutex); | |
981 | return ret ?: count; | |
982 | } | |
983 | ||
984 | static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file, | |
985 | char __user *user_buf, | |
986 | size_t count, loff_t *ppos) | |
987 | { | |
988 | struct ieee80211_vif *vif = file->private_data; | |
989 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
990 | struct iwl_mvm *mvm = mvmvif->mvm; | |
991 | char buf[512]; | |
992 | int pos = 0; | |
993 | const size_t bufsz = sizeof(buf); | |
994 | struct iwl_tof_range_req_cmd *cmd; | |
995 | int i; | |
996 | ||
997 | cmd = &mvm->tof_data.range_req; | |
998 | ||
999 | mutex_lock(&mvm->mutex); | |
1000 | ||
1001 | pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n", | |
1002 | cmd->request_id); | |
1003 | pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n", | |
1004 | cmd->initiator); | |
1005 | pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n", | |
1006 | cmd->one_sided_los_disable); | |
1007 | pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n", | |
1008 | cmd->req_timeout); | |
1009 | pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n", | |
1010 | cmd->report_policy); | |
1011 | pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n", | |
1012 | cmd->macaddr_random); | |
1013 | pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n", | |
1014 | cmd->macaddr_template); | |
1015 | pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n", | |
1016 | cmd->macaddr_mask); | |
1017 | pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n", | |
1018 | cmd->num_of_ap); | |
1019 | for (i = 0; i < cmd->num_of_ap; i++) { | |
1020 | struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i]; | |
1021 | ||
1022 | pos += scnprintf(buf + pos, bufsz - pos, | |
3e0fa505 AK |
1023 | "ap %.2d: channel_num=%hhd bw=%hhd" |
1024 | " control=%hhd bssid=%pM type=%hhd" | |
1025 | " num_of_bursts=%hhd burst_period=%hd ftm=%hhd" | |
1026 | " retries=%hhd tsf_delta=%d" | |
1027 | " tsf_delta_direction=%hhd location_req=0x%hhx " | |
1028 | " asap=%hhd enable=%hhd rssi=%hhd\n", | |
ce792918 GG |
1029 | i, ap->channel_num, ap->bandwidth, |
1030 | ap->ctrl_ch_position, ap->bssid, | |
1031 | ap->measure_type, ap->num_of_bursts, | |
1032 | ap->burst_period, ap->samples_per_burst, | |
1033 | ap->retries_per_sample, ap->tsf_delta, | |
3e0fa505 | 1034 | ap->tsf_delta_direction, |
ce792918 GG |
1035 | ap->location_req, ap->asap_mode, |
1036 | ap->enable_dyn_ack, ap->rssi); | |
1037 | } | |
1038 | ||
1039 | mutex_unlock(&mvm->mutex); | |
1040 | ||
1041 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1042 | } | |
1043 | ||
1044 | static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif, | |
1045 | char *buf, | |
1046 | size_t count, loff_t *ppos) | |
1047 | { | |
1048 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1049 | struct iwl_mvm *mvm = mvmvif->mvm; | |
e6c21be6 JB |
1050 | u32 value; |
1051 | int ret = 0; | |
ce792918 GG |
1052 | char *data; |
1053 | ||
1054 | mutex_lock(&mvm->mutex); | |
1055 | ||
1056 | data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf); | |
1057 | if (data) { | |
1058 | ret = kstrtou32(data, 10, &value); | |
1059 | if (ret == 0) | |
1060 | mvm->tof_data.range_req_ext.tsf_timer_offset_msec = | |
1061 | cpu_to_le16(value); | |
1062 | goto out; | |
1063 | } | |
1064 | ||
1065 | data = iwl_dbgfs_is_match("min_delta_ftm=", buf); | |
1066 | if (data) { | |
1067 | ret = kstrtou32(data, 10, &value); | |
1068 | if (ret == 0) | |
1069 | mvm->tof_data.range_req_ext.min_delta_ftm = value; | |
1070 | goto out; | |
1071 | } | |
1072 | ||
1073 | data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf); | |
1074 | if (data) { | |
1075 | ret = kstrtou32(data, 10, &value); | |
1076 | if (ret == 0) | |
1077 | mvm->tof_data.range_req_ext.ftm_format_and_bw20M = | |
1078 | value; | |
1079 | goto out; | |
1080 | } | |
1081 | ||
1082 | data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf); | |
1083 | if (data) { | |
1084 | ret = kstrtou32(data, 10, &value); | |
1085 | if (ret == 0) | |
1086 | mvm->tof_data.range_req_ext.ftm_format_and_bw40M = | |
1087 | value; | |
1088 | goto out; | |
1089 | } | |
1090 | ||
1091 | data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf); | |
1092 | if (data) { | |
1093 | ret = kstrtou32(data, 10, &value); | |
1094 | if (ret == 0) | |
1095 | mvm->tof_data.range_req_ext.ftm_format_and_bw80M = | |
1096 | value; | |
1097 | goto out; | |
1098 | } | |
1099 | ||
1100 | data = iwl_dbgfs_is_match("send_range_req_ext=", buf); | |
1101 | if (data) { | |
1102 | ret = kstrtou32(data, 10, &value); | |
5ac15be8 | 1103 | if (ret == 0 && value) |
ce792918 | 1104 | ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif); |
5ac15be8 | 1105 | goto out; |
ce792918 GG |
1106 | } |
1107 | ||
5ac15be8 | 1108 | ret = -EINVAL; |
ce792918 GG |
1109 | out: |
1110 | mutex_unlock(&mvm->mutex); | |
1111 | return ret ?: count; | |
1112 | } | |
1113 | ||
1114 | static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file, | |
1115 | char __user *user_buf, | |
1116 | size_t count, loff_t *ppos) | |
1117 | { | |
1118 | struct ieee80211_vif *vif = file->private_data; | |
1119 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1120 | struct iwl_mvm *mvm = mvmvif->mvm; | |
1121 | char buf[256]; | |
1122 | int pos = 0; | |
1123 | const size_t bufsz = sizeof(buf); | |
1124 | struct iwl_tof_range_req_ext_cmd *cmd; | |
1125 | ||
1126 | cmd = &mvm->tof_data.range_req_ext; | |
1127 | ||
1128 | mutex_lock(&mvm->mutex); | |
1129 | ||
1130 | pos += scnprintf(buf + pos, bufsz - pos, | |
3e0fa505 | 1131 | "tsf_timer_offset_msec = %hd\n", |
ce792918 | 1132 | cmd->tsf_timer_offset_msec); |
3e0fa505 | 1133 | pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhd\n", |
ce792918 GG |
1134 | cmd->min_delta_ftm); |
1135 | pos += scnprintf(buf + pos, bufsz - pos, | |
3e0fa505 | 1136 | "ftm_format_and_bw20M = %hhd\n", |
ce792918 GG |
1137 | cmd->ftm_format_and_bw20M); |
1138 | pos += scnprintf(buf + pos, bufsz - pos, | |
3e0fa505 | 1139 | "ftm_format_and_bw40M = %hhd\n", |
ce792918 GG |
1140 | cmd->ftm_format_and_bw40M); |
1141 | pos += scnprintf(buf + pos, bufsz - pos, | |
3e0fa505 | 1142 | "ftm_format_and_bw80M = %hhd\n", |
ce792918 GG |
1143 | cmd->ftm_format_and_bw80M); |
1144 | ||
1145 | mutex_unlock(&mvm->mutex); | |
1146 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1147 | } | |
1148 | ||
1149 | static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif, | |
1150 | char *buf, | |
1151 | size_t count, loff_t *ppos) | |
1152 | { | |
1153 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1154 | struct iwl_mvm *mvm = mvmvif->mvm; | |
e6c21be6 JB |
1155 | u32 value; |
1156 | int abort_id, ret = 0; | |
ce792918 GG |
1157 | char *data; |
1158 | ||
1159 | mutex_lock(&mvm->mutex); | |
1160 | ||
1161 | data = iwl_dbgfs_is_match("abort_id=", buf); | |
1162 | if (data) { | |
1163 | ret = kstrtou32(data, 10, &value); | |
1164 | if (ret == 0) | |
1165 | mvm->tof_data.last_abort_id = value; | |
1166 | goto out; | |
1167 | } | |
1168 | ||
1169 | data = iwl_dbgfs_is_match("send_range_abort=", buf); | |
1170 | if (data) { | |
1171 | ret = kstrtou32(data, 10, &value); | |
1172 | if (ret == 0 && value) { | |
1173 | abort_id = mvm->tof_data.last_abort_id; | |
1174 | ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id); | |
1175 | goto out; | |
1176 | } | |
1177 | } | |
1178 | ||
1179 | out: | |
1180 | mutex_unlock(&mvm->mutex); | |
1181 | return ret ?: count; | |
1182 | } | |
1183 | ||
1184 | static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file, | |
1185 | char __user *user_buf, | |
1186 | size_t count, loff_t *ppos) | |
1187 | { | |
1188 | struct ieee80211_vif *vif = file->private_data; | |
1189 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1190 | struct iwl_mvm *mvm = mvmvif->mvm; | |
1191 | char buf[32]; | |
1192 | int pos = 0; | |
1193 | const size_t bufsz = sizeof(buf); | |
1194 | int last_abort_id; | |
1195 | ||
1196 | mutex_lock(&mvm->mutex); | |
1197 | last_abort_id = mvm->tof_data.last_abort_id; | |
1198 | mutex_unlock(&mvm->mutex); | |
1199 | ||
1200 | pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n", | |
1201 | last_abort_id); | |
1202 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1203 | } | |
1204 | ||
1205 | static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file, | |
1206 | char __user *user_buf, | |
1207 | size_t count, loff_t *ppos) | |
1208 | { | |
1209 | struct ieee80211_vif *vif = file->private_data; | |
1210 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1211 | struct iwl_mvm *mvm = mvmvif->mvm; | |
1212 | char *buf; | |
1213 | int pos = 0; | |
1214 | const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256; | |
1215 | struct iwl_tof_range_rsp_ntfy *cmd; | |
1216 | int i, ret; | |
1217 | ||
1218 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1219 | if (!buf) | |
1220 | return -ENOMEM; | |
1221 | ||
1222 | mutex_lock(&mvm->mutex); | |
1223 | cmd = &mvm->tof_data.range_resp; | |
1224 | ||
1225 | pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n", | |
1226 | cmd->request_id); | |
1227 | pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n", | |
1228 | cmd->request_status); | |
1229 | pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n", | |
1230 | cmd->last_in_batch); | |
1231 | pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n", | |
1232 | cmd->num_of_aps); | |
1233 | for (i = 0; i < cmd->num_of_aps; i++) { | |
1234 | struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i]; | |
1235 | ||
1236 | pos += scnprintf(buf + pos, bufsz - pos, | |
3e0fa505 AK |
1237 | "ap %.2d: bssid=%pM status=%hhd bw=%hhd" |
1238 | " rtt=%d rtt_var=%d rtt_spread=%d" | |
1239 | " rssi=%hhd rssi_spread=%hhd" | |
1240 | " range=%d range_var=%d" | |
1241 | " time_stamp=%d\n", | |
ce792918 GG |
1242 | i, ap->bssid, ap->measure_status, |
1243 | ap->measure_bw, | |
1244 | ap->rtt, ap->rtt_variance, ap->rtt_spread, | |
1245 | ap->rssi, ap->rssi_spread, ap->range, | |
1246 | ap->range_variance, ap->timestamp); | |
1247 | } | |
1248 | mutex_unlock(&mvm->mutex); | |
1249 | ||
1250 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1251 | kfree(buf); | |
1252 | return ret; | |
1253 | } | |
1254 | ||
a21d7bcb JB |
1255 | static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, |
1256 | size_t count, loff_t *ppos) | |
1257 | { | |
1258 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1259 | struct iwl_mvm *mvm = mvmvif->mvm; | |
b525d081 | 1260 | bool prev; |
a21d7bcb JB |
1261 | u8 value; |
1262 | int ret; | |
1263 | ||
1264 | ret = kstrtou8(buf, 0, &value); | |
1265 | if (ret) | |
1266 | return ret; | |
1267 | if (value > 1) | |
1268 | return -EINVAL; | |
1269 | ||
1270 | mutex_lock(&mvm->mutex); | |
b525d081 JB |
1271 | prev = iwl_mvm_vif_low_latency(mvmvif); |
1272 | mvmvif->low_latency_dbgfs = value; | |
1273 | iwl_mvm_update_low_latency(mvm, vif, prev); | |
a21d7bcb JB |
1274 | mutex_unlock(&mvm->mutex); |
1275 | ||
1276 | return count; | |
1277 | } | |
1278 | ||
1279 | static ssize_t iwl_dbgfs_low_latency_read(struct file *file, | |
1280 | char __user *user_buf, | |
1281 | size_t count, loff_t *ppos) | |
1282 | { | |
1283 | struct ieee80211_vif *vif = file->private_data; | |
1284 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
b525d081 JB |
1285 | char buf[30] = {}; |
1286 | int len; | |
a21d7bcb | 1287 | |
b525d081 JB |
1288 | len = snprintf(buf, sizeof(buf) - 1, |
1289 | "traffic=%d\ndbgfs=%d\nvcmd=%d\n", | |
1290 | mvmvif->low_latency_traffic, | |
1291 | mvmvif->low_latency_dbgfs, | |
1292 | mvmvif->low_latency_vcmd); | |
1293 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
a21d7bcb JB |
1294 | } |
1295 | ||
e39c1b5f JB |
1296 | static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file, |
1297 | char __user *user_buf, | |
1298 | size_t count, loff_t *ppos) | |
1299 | { | |
1300 | struct ieee80211_vif *vif = file->private_data; | |
1301 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1302 | char buf[20]; | |
1303 | int len; | |
1304 | ||
1305 | len = sprintf(buf, "%pM\n", mvmvif->uapsd_misbehaving_bssid); | |
1306 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1307 | } | |
1308 | ||
1309 | static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif, | |
1310 | char *buf, size_t count, | |
1311 | loff_t *ppos) | |
1312 | { | |
1313 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1314 | struct iwl_mvm *mvm = mvmvif->mvm; | |
1315 | bool ret; | |
1316 | ||
1317 | mutex_lock(&mvm->mutex); | |
1318 | ret = mac_pton(buf, mvmvif->uapsd_misbehaving_bssid); | |
1319 | mutex_unlock(&mvm->mutex); | |
1320 | ||
1321 | return ret ? count : -EINVAL; | |
1322 | } | |
1323 | ||
ddf89ab1 EG |
1324 | static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf, |
1325 | size_t count, loff_t *ppos) | |
1326 | { | |
1327 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1328 | struct iwl_mvm *mvm = mvmvif->mvm; | |
1329 | struct ieee80211_chanctx_conf *chanctx_conf; | |
1330 | struct iwl_mvm_phy_ctxt *phy_ctxt; | |
1331 | u16 value; | |
1332 | int ret; | |
1333 | ||
1334 | ret = kstrtou16(buf, 0, &value); | |
1335 | if (ret) | |
1336 | return ret; | |
1337 | ||
1338 | mutex_lock(&mvm->mutex); | |
1339 | rcu_read_lock(); | |
1340 | ||
1341 | chanctx_conf = rcu_dereference(vif->chanctx_conf); | |
1342 | /* make sure the channel context is assigned */ | |
1343 | if (!chanctx_conf) { | |
1344 | rcu_read_unlock(); | |
1345 | mutex_unlock(&mvm->mutex); | |
1346 | return -EINVAL; | |
1347 | } | |
1348 | ||
1349 | phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv]; | |
1350 | rcu_read_unlock(); | |
1351 | ||
1352 | mvm->dbgfs_rx_phyinfo = value; | |
1353 | ||
1354 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def, | |
1355 | chanctx_conf->rx_chains_static, | |
1356 | chanctx_conf->rx_chains_dynamic); | |
1357 | mutex_unlock(&mvm->mutex); | |
1358 | ||
1359 | return ret ?: count; | |
1360 | } | |
1361 | ||
1362 | static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file, | |
1363 | char __user *user_buf, | |
1364 | size_t count, loff_t *ppos) | |
1365 | { | |
1366 | struct ieee80211_vif *vif = file->private_data; | |
1367 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1368 | char buf[8]; | |
1369 | ||
1370 | snprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo); | |
1371 | ||
1372 | return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf)); | |
1373 | } | |
1374 | ||
a80c1cf9 JB |
1375 | static void iwl_dbgfs_quota_check(void *data, u8 *mac, |
1376 | struct ieee80211_vif *vif) | |
1377 | { | |
1378 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1379 | int *ret = data; | |
1380 | ||
1381 | if (mvmvif->dbgfs_quota_min) | |
1382 | *ret = -EINVAL; | |
1383 | } | |
1384 | ||
1385 | static ssize_t iwl_dbgfs_quota_min_write(struct ieee80211_vif *vif, char *buf, | |
1386 | size_t count, loff_t *ppos) | |
1387 | { | |
1388 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1389 | struct iwl_mvm *mvm = mvmvif->mvm; | |
1390 | u16 value; | |
1391 | int ret; | |
1392 | ||
1393 | ret = kstrtou16(buf, 0, &value); | |
1394 | if (ret) | |
1395 | return ret; | |
1396 | ||
1397 | if (value > 95) | |
1398 | return -EINVAL; | |
1399 | ||
1400 | mutex_lock(&mvm->mutex); | |
1401 | ||
1402 | mvmvif->dbgfs_quota_min = 0; | |
1403 | ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
1404 | iwl_dbgfs_quota_check, &ret); | |
1405 | if (ret == 0) { | |
1406 | mvmvif->dbgfs_quota_min = value; | |
1407 | iwl_mvm_update_quotas(mvm, false, NULL); | |
1408 | } | |
1409 | mutex_unlock(&mvm->mutex); | |
1410 | ||
1411 | return ret ?: count; | |
1412 | } | |
1413 | ||
1414 | static ssize_t iwl_dbgfs_quota_min_read(struct file *file, | |
1415 | char __user *user_buf, | |
1416 | size_t count, loff_t *ppos) | |
1417 | { | |
1418 | struct ieee80211_vif *vif = file->private_data; | |
1419 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1420 | char buf[10]; | |
1421 | int len; | |
1422 | ||
1423 | len = snprintf(buf, sizeof(buf), "%d\n", mvmvif->dbgfs_quota_min); | |
1424 | ||
1425 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1426 | } | |
1427 | ||
e45a941d AB |
1428 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ |
1429 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif) | |
1430 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ | |
1431 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif) | |
820a1a50 JB |
1432 | #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \ |
1433 | if (!debugfs_create_file(#name, mode, parent, vif, \ | |
1434 | &iwl_dbgfs_##name##_ops)) \ | |
1435 | goto err; \ | |
1436 | } while (0) | |
1437 | ||
1438 | MVM_DEBUGFS_READ_FILE_OPS(mac_params); | |
25870cb7 | 1439 | MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt); |
e45a941d AB |
1440 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32); |
1441 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256); | |
a21d7bcb | 1442 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10); |
e39c1b5f | 1443 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20); |
ddf89ab1 | 1444 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10); |
ce792918 GG |
1445 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32); |
1446 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512); | |
1447 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32); | |
1448 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32); | |
1449 | MVM_DEBUGFS_READ_FILE_OPS(tof_range_response); | |
1450 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32); | |
a80c1cf9 | 1451 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32); |
820a1a50 JB |
1452 | |
1453 | void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) | |
1454 | { | |
1455 | struct dentry *dbgfs_dir = vif->debugfs_dir; | |
1456 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1457 | char buf[100]; | |
1458 | ||
1459 | /* | |
1460 | * Check if debugfs directory already exist before creating it. | |
1461 | * This may happen when, for example, resetting hw or suspend-resume | |
1462 | */ | |
1463 | if (!dbgfs_dir || mvmvif->dbgfs_dir) | |
1464 | return; | |
1465 | ||
1466 | mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir); | |
820a1a50 JB |
1467 | |
1468 | if (!mvmvif->dbgfs_dir) { | |
1469 | IWL_ERR(mvm, "Failed to create debugfs directory under %s\n", | |
1470 | dbgfs_dir->d_name.name); | |
1471 | return; | |
1472 | } | |
1473 | ||
ad2549d8 | 1474 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM && |
e45a941d AB |
1475 | ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) || |
1476 | (vif->type == NL80211_IFTYPE_STATION && vif->p2p && | |
7303dd7f | 1477 | mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM))) |
e45a941d AB |
1478 | MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR | |
1479 | S_IRUSR); | |
1480 | ||
25870cb7 | 1481 | MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR); |
32a65c34 | 1482 | MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR); |
a21d7bcb JB |
1483 | MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir, |
1484 | S_IRUSR | S_IWUSR); | |
e39c1b5f JB |
1485 | MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir, |
1486 | S_IRUSR | S_IWUSR); | |
ddf89ab1 EG |
1487 | MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir, |
1488 | S_IRUSR | S_IWUSR); | |
a80c1cf9 JB |
1489 | MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir, |
1490 | S_IRUSR | S_IWUSR); | |
820a1a50 | 1491 | |
e45a941d AB |
1492 | if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p && |
1493 | mvmvif == mvm->bf_allowed_vif) | |
1494 | MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, | |
1495 | S_IRUSR | S_IWUSR); | |
1496 | ||
ce792918 GG |
1497 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) && |
1498 | !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) { | |
1499 | if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP) | |
1500 | MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params, | |
1501 | mvmvif->dbgfs_dir, | |
1502 | S_IRUSR | S_IWUSR); | |
1503 | ||
1504 | MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir, | |
1505 | S_IRUSR | S_IWUSR); | |
1506 | MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir, | |
1507 | S_IRUSR | S_IWUSR); | |
1508 | MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir, | |
1509 | S_IRUSR | S_IWUSR); | |
1510 | MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir, | |
1511 | S_IRUSR | S_IWUSR); | |
1512 | MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir, | |
1513 | S_IRUSR); | |
1514 | } | |
1515 | ||
820a1a50 JB |
1516 | /* |
1517 | * Create symlink for convenience pointing to interface specific | |
1518 | * debugfs entries for the driver. For example, under | |
1519 | * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/ | |
1520 | * find | |
1521 | * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/ | |
1522 | */ | |
1523 | snprintf(buf, 100, "../../../%s/%s/%s/%s", | |
1524 | dbgfs_dir->d_parent->d_parent->d_name.name, | |
1525 | dbgfs_dir->d_parent->d_name.name, | |
1526 | dbgfs_dir->d_name.name, | |
1527 | mvmvif->dbgfs_dir->d_name.name); | |
1528 | ||
1529 | mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name, | |
1530 | mvm->debugfs_dir, buf); | |
1531 | if (!mvmvif->dbgfs_slink) | |
1532 | IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n", | |
1533 | dbgfs_dir->d_name.name); | |
1534 | return; | |
1535 | err: | |
1536 | IWL_ERR(mvm, "Can't create debugfs entity\n"); | |
1537 | } | |
1538 | ||
1539 | void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) | |
1540 | { | |
1541 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1542 | ||
1543 | debugfs_remove(mvmvif->dbgfs_slink); | |
1544 | mvmvif->dbgfs_slink = NULL; | |
1545 | ||
1546 | debugfs_remove_recursive(mvmvif->dbgfs_dir); | |
1547 | mvmvif->dbgfs_dir = NULL; | |
1548 | } |