drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  10  * Copyright(c) 2016        Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of version 2 of the GNU General Public License as
  14  * published by the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  24  * USA
  25  *
  26  * The full GNU General Public License is included in this distribution
  27  * in the file called COPYING.
  28  *
  29  * Contact Information:
  30  *  Intel Linux Wireless <linuxwifi@intel.com>
  31  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  32  *
  33  * BSD LICENSE
  34  *
  35  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  36  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  37  * Copyright(c) 2016        Intel Deutschland GmbH
  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"
  68 #include "fw-api-tof.h"
  69 #include "debugfs.h"
  70
  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: {
  82                 int dtimper = vif->bss_conf.dtim_period ?: 1;
  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;
 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;
 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;
 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;
 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;
 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;
 184         } else {
 185                 return -EINVAL;
 186         }
 187
 188         mutex_lock(&mvm->mutex);
 189         iwl_dbgfs_update_pm(mvm, vif, param, val);
 190         ret = iwl_mvm_power_update_mac(mvm);
 191         mutex_unlock(&mvm->mutex);
 192
 193         return ret ?: count;
 194 }
 195
 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
 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
 222         pos = iwl_mvm_power_mac_dbgfs_read(mvm, vif, buf, bufsz);
 223
 224         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 225 }
 226
 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);
 233         struct iwl_mvm *mvm = mvmvif->mvm;
 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
 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
 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 iwl_mvm_sta *mvm_sta;
 285
 286                 mvm_sta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id);
 287                 if (mvm_sta) {
 288                         pos += scnprintf(buf+pos, bufsz-pos,
 289                                          "ap_sta_id %d - reduced Tx power %d\n",
 290                                          ap_sta_id,
 291                                          mvm_sta->bt_reduced_txpower);
 292                 }
 293         }
 294
 295         rcu_read_lock();
 296         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 297         if (chanctx_conf)
 298                 pos += scnprintf(buf+pos, bufsz-pos,
 299                                  "idle rx chains %d, active rx chains: %d\n",
 300                                  chanctx_conf->rx_chains_static,
 301                                  chanctx_conf->rx_chains_dynamic);
 302         rcu_read_unlock();
 303
 304         mutex_unlock(&mvm->mutex);
 305
 306         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 307 }
 308
 309 static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
 310                                 enum iwl_dbgfs_bf_mask param, int value)
 311 {
 312         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 313         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 314
 315         dbgfs_bf->mask |= param;
 316
 317         switch (param) {
 318         case MVM_DEBUGFS_BF_ENERGY_DELTA:
 319                 dbgfs_bf->bf_energy_delta = value;
 320                 break;
 321         case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
 322                 dbgfs_bf->bf_roaming_energy_delta = value;
 323                 break;
 324         case MVM_DEBUGFS_BF_ROAMING_STATE:
 325                 dbgfs_bf->bf_roaming_state = value;
 326                 break;
 327         case MVM_DEBUGFS_BF_TEMP_THRESHOLD:
 328                 dbgfs_bf->bf_temp_threshold = value;
 329                 break;
 330         case MVM_DEBUGFS_BF_TEMP_FAST_FILTER:
 331                 dbgfs_bf->bf_temp_fast_filter = value;
 332                 break;
 333         case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER:
 334                 dbgfs_bf->bf_temp_slow_filter = value;
 335                 break;
 336         case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER:
 337                 dbgfs_bf->bf_enable_beacon_filter = value;
 338                 break;
 339         case MVM_DEBUGFS_BF_DEBUG_FLAG:
 340                 dbgfs_bf->bf_debug_flag = value;
 341                 break;
 342         case MVM_DEBUGFS_BF_ESCAPE_TIMER:
 343                 dbgfs_bf->bf_escape_timer = value;
 344                 break;
 345         case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT:
 346                 dbgfs_bf->ba_enable_beacon_abort = value;
 347                 break;
 348         case MVM_DEBUGFS_BA_ESCAPE_TIMER:
 349                 dbgfs_bf->ba_escape_timer = value;
 350                 break;
 351         }
 352 }
 353
 354 static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf,
 355                                          size_t count, loff_t *ppos)
 356 {
 357         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 358         struct iwl_mvm *mvm = mvmvif->mvm;
 359         enum iwl_dbgfs_bf_mask param;
 360         int value, ret = 0;
 361
 362         if (!strncmp("bf_energy_delta=", buf, 16)) {
 363                 if (sscanf(buf+16, "%d", &value) != 1)
 364                         return -EINVAL;
 365                 if (value < IWL_BF_ENERGY_DELTA_MIN ||
 366                     value > IWL_BF_ENERGY_DELTA_MAX)
 367                         return -EINVAL;
 368                 param = MVM_DEBUGFS_BF_ENERGY_DELTA;
 369         } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) {
 370                 if (sscanf(buf+24, "%d", &value) != 1)
 371                         return -EINVAL;
 372                 if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN ||
 373                     value > IWL_BF_ROAMING_ENERGY_DELTA_MAX)
 374                         return -EINVAL;
 375                 param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA;
 376         } else if (!strncmp("bf_roaming_state=", buf, 17)) {
 377                 if (sscanf(buf+17, "%d", &value) != 1)
 378                         return -EINVAL;
 379                 if (value < IWL_BF_ROAMING_STATE_MIN ||
 380                     value > IWL_BF_ROAMING_STATE_MAX)
 381                         return -EINVAL;
 382                 param = MVM_DEBUGFS_BF_ROAMING_STATE;
 383         } else if (!strncmp("bf_temp_threshold=", buf, 18)) {
 384                 if (sscanf(buf+18, "%d", &value) != 1)
 385                         return -EINVAL;
 386                 if (value < IWL_BF_TEMP_THRESHOLD_MIN ||
 387                     value > IWL_BF_TEMP_THRESHOLD_MAX)
 388                         return -EINVAL;
 389                 param = MVM_DEBUGFS_BF_TEMP_THRESHOLD;
 390         } else if (!strncmp("bf_temp_fast_filter=", buf, 20)) {
 391                 if (sscanf(buf+20, "%d", &value) != 1)
 392                         return -EINVAL;
 393                 if (value < IWL_BF_TEMP_FAST_FILTER_MIN ||
 394                     value > IWL_BF_TEMP_FAST_FILTER_MAX)
 395                         return -EINVAL;
 396                 param = MVM_DEBUGFS_BF_TEMP_FAST_FILTER;
 397         } else if (!strncmp("bf_temp_slow_filter=", buf, 20)) {
 398                 if (sscanf(buf+20, "%d", &value) != 1)
 399                         return -EINVAL;
 400                 if (value < IWL_BF_TEMP_SLOW_FILTER_MIN ||
 401                     value > IWL_BF_TEMP_SLOW_FILTER_MAX)
 402                         return -EINVAL;
 403                 param = MVM_DEBUGFS_BF_TEMP_SLOW_FILTER;
 404         } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) {
 405                 if (sscanf(buf+24, "%d", &value) != 1)
 406                         return -EINVAL;
 407                 if (value < 0 || value > 1)
 408                         return -EINVAL;
 409                 param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER;
 410         } else if (!strncmp("bf_debug_flag=", buf, 14)) {
 411                 if (sscanf(buf+14, "%d", &value) != 1)
 412                         return -EINVAL;
 413                 if (value < 0 || value > 1)
 414                         return -EINVAL;
 415                 param = MVM_DEBUGFS_BF_DEBUG_FLAG;
 416         } else if (!strncmp("bf_escape_timer=", buf, 16)) {
 417                 if (sscanf(buf+16, "%d", &value) != 1)
 418                         return -EINVAL;
 419                 if (value < IWL_BF_ESCAPE_TIMER_MIN ||
 420                     value > IWL_BF_ESCAPE_TIMER_MAX)
 421                         return -EINVAL;
 422                 param = MVM_DEBUGFS_BF_ESCAPE_TIMER;
 423         } else if (!strncmp("ba_escape_timer=", buf, 16)) {
 424                 if (sscanf(buf+16, "%d", &value) != 1)
 425                         return -EINVAL;
 426                 if (value < IWL_BA_ESCAPE_TIMER_MIN ||
 427                     value > IWL_BA_ESCAPE_TIMER_MAX)
 428                         return -EINVAL;
 429                 param = MVM_DEBUGFS_BA_ESCAPE_TIMER;
 430         } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) {
 431                 if (sscanf(buf+23, "%d", &value) != 1)
 432                         return -EINVAL;
 433                 if (value < 0 || value > 1)
 434                         return -EINVAL;
 435                 param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT;
 436         } else {
 437                 return -EINVAL;
 438         }
 439
 440         mutex_lock(&mvm->mutex);
 441         iwl_dbgfs_update_bf(vif, param, value);
 442         if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value)
 443                 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
 444         else
 445                 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
 446         mutex_unlock(&mvm->mutex);
 447
 448         return ret ?: count;
 449 }
 450
 451 static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
 452                                         char __user *user_buf,
 453                                         size_t count, loff_t *ppos)
 454 {
 455         struct ieee80211_vif *vif = file->private_data;
 456         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 457         char buf[256];
 458         int pos = 0;
 459         const size_t bufsz = sizeof(buf);
 460         struct iwl_beacon_filter_cmd cmd = {
 461                 IWL_BF_CMD_CONFIG_DEFAULTS,
 462                 .bf_enable_beacon_filter =
 463                         cpu_to_le32(IWL_BF_ENABLE_BEACON_FILTER_DEFAULT),
 464                 .ba_enable_beacon_abort =
 465                         cpu_to_le32(IWL_BA_ENABLE_BEACON_ABORT_DEFAULT),
 466         };
 467
 468         iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
 469         if (mvmvif->bf_data.bf_enabled)
 470                 cmd.bf_enable_beacon_filter = cpu_to_le32(1);
 471         else
 472                 cmd.bf_enable_beacon_filter = 0;
 473
 474         pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n",
 475                          le32_to_cpu(cmd.bf_energy_delta));
 476         pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n",
 477                          le32_to_cpu(cmd.bf_roaming_energy_delta));
 478         pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n",
 479                          le32_to_cpu(cmd.bf_roaming_state));
 480         pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_threshold = %d\n",
 481                          le32_to_cpu(cmd.bf_temp_threshold));
 482         pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_fast_filter = %d\n",
 483                          le32_to_cpu(cmd.bf_temp_fast_filter));
 484         pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_slow_filter = %d\n",
 485                          le32_to_cpu(cmd.bf_temp_slow_filter));
 486         pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n",
 487                          le32_to_cpu(cmd.bf_enable_beacon_filter));
 488         pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n",
 489                          le32_to_cpu(cmd.bf_debug_flag));
 490         pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n",
 491                          le32_to_cpu(cmd.bf_escape_timer));
 492         pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n",
 493                          le32_to_cpu(cmd.ba_escape_timer));
 494         pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n",
 495                          le32_to_cpu(cmd.ba_enable_beacon_abort));
 496
 497         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 498 }
 499
 500 static inline char *iwl_dbgfs_is_match(char *name, char *buf)
 501 {
 502         int len = strlen(name);
 503
 504         return !strncmp(name, buf, len) ? buf + len : NULL;
 505 }
 506
 507 static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif,
 508                                           char *buf,
 509                                           size_t count, loff_t *ppos)
 510 {
 511         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 512         struct iwl_mvm *mvm = mvmvif->mvm;
 513         u32 value;
 514         int ret = -EINVAL;
 515         char *data;
 516
 517         mutex_lock(&mvm->mutex);
 518
 519         data = iwl_dbgfs_is_match("tof_disabled=", buf);
 520         if (data) {
 521                 ret = kstrtou32(data, 10, &value);
 522                 if (ret == 0)
 523                         mvm->tof_data.tof_cfg.tof_disabled = value;
 524                 goto out;
 525         }
 526
 527         data = iwl_dbgfs_is_match("one_sided_disabled=", buf);
 528         if (data) {
 529                 ret = kstrtou32(data, 10, &value);
 530                 if (ret == 0)
 531                         mvm->tof_data.tof_cfg.one_sided_disabled = value;
 532                 goto out;
 533         }
 534
 535         data = iwl_dbgfs_is_match("is_debug_mode=", buf);
 536         if (data) {
 537                 ret = kstrtou32(data, 10, &value);
 538                 if (ret == 0)
 539                         mvm->tof_data.tof_cfg.is_debug_mode = value;
 540                 goto out;
 541         }
 542
 543         data = iwl_dbgfs_is_match("is_buf=", buf);
 544         if (data) {
 545                 ret = kstrtou32(data, 10, &value);
 546                 if (ret == 0)
 547                         mvm->tof_data.tof_cfg.is_buf_required = value;
 548                 goto out;
 549         }
 550
 551         data = iwl_dbgfs_is_match("send_tof_cfg=", buf);
 552         if (data) {
 553                 ret = kstrtou32(data, 10, &value);
 554                 if (ret == 0 && value) {
 555                         ret = iwl_mvm_tof_config_cmd(mvm);
 556                         goto out;
 557                 }
 558         }
 559
 560 out:
 561         mutex_unlock(&mvm->mutex);
 562
 563         return ret ?: count;
 564 }
 565
 566 static ssize_t iwl_dbgfs_tof_enable_read(struct file *file,
 567                                          char __user *user_buf,
 568                                          size_t count, loff_t *ppos)
 569 {
 570         struct ieee80211_vif *vif = file->private_data;
 571         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 572         struct iwl_mvm *mvm = mvmvif->mvm;
 573         char buf[256];
 574         int pos = 0;
 575         const size_t bufsz = sizeof(buf);
 576         struct iwl_tof_config_cmd *cmd;
 577
 578         cmd = &mvm->tof_data.tof_cfg;
 579
 580         mutex_lock(&mvm->mutex);
 581
 582         pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n",
 583                          cmd->tof_disabled);
 584         pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n",
 585                          cmd->one_sided_disabled);
 586         pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n",
 587                          cmd->is_debug_mode);
 588         pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n",
 589                          cmd->is_buf_required);
 590
 591         mutex_unlock(&mvm->mutex);
 592
 593         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 594 }
 595
 596 static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif,
 597                                                     char *buf,
 598                                                     size_t count, loff_t *ppos)
 599 {
 600         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 601         struct iwl_mvm *mvm = mvmvif->mvm;
 602         u32 value;
 603         int ret = 0;
 604         char *data;
 605
 606         mutex_lock(&mvm->mutex);
 607
 608         data = iwl_dbgfs_is_match("burst_period=", buf);
 609         if (data) {
 610                 ret = kstrtou32(data, 10, &value);
 611                 if (!ret)
 612                         mvm->tof_data.responder_cfg.burst_period =
 613                                                         cpu_to_le16(value);
 614                 goto out;
 615         }
 616
 617         data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
 618         if (data) {
 619                 ret = kstrtou32(data, 10, &value);
 620                 if (ret == 0)
 621                         mvm->tof_data.responder_cfg.min_delta_ftm = value;
 622                 goto out;
 623         }
 624
 625         data = iwl_dbgfs_is_match("burst_duration=", buf);
 626         if (data) {
 627                 ret = kstrtou32(data, 10, &value);
 628                 if (ret == 0)
 629                         mvm->tof_data.responder_cfg.burst_duration = value;
 630                 goto out;
 631         }
 632
 633         data = iwl_dbgfs_is_match("num_of_burst_exp=", buf);
 634         if (data) {
 635                 ret = kstrtou32(data, 10, &value);
 636                 if (ret == 0)
 637                         mvm->tof_data.responder_cfg.num_of_burst_exp = value;
 638                 goto out;
 639         }
 640
 641         data = iwl_dbgfs_is_match("abort_responder=", buf);
 642         if (data) {
 643                 ret = kstrtou32(data, 10, &value);
 644                 if (ret == 0)
 645                         mvm->tof_data.responder_cfg.abort_responder = value;
 646                 goto out;
 647         }
 648
 649         data = iwl_dbgfs_is_match("get_ch_est=", buf);
 650         if (data) {
 651                 ret = kstrtou32(data, 10, &value);
 652                 if (ret == 0)
 653                         mvm->tof_data.responder_cfg.get_ch_est = value;
 654                 goto out;
 655         }
 656
 657         data = iwl_dbgfs_is_match("recv_sta_req_params=", buf);
 658         if (data) {
 659                 ret = kstrtou32(data, 10, &value);
 660                 if (ret == 0)
 661                         mvm->tof_data.responder_cfg.recv_sta_req_params = value;
 662                 goto out;
 663         }
 664
 665         data = iwl_dbgfs_is_match("channel_num=", buf);
 666         if (data) {
 667                 ret = kstrtou32(data, 10, &value);
 668                 if (ret == 0)
 669                         mvm->tof_data.responder_cfg.channel_num = value;
 670                 goto out;
 671         }
 672
 673         data = iwl_dbgfs_is_match("bandwidth=", buf);
 674         if (data) {
 675                 ret = kstrtou32(data, 10, &value);
 676                 if (ret == 0)
 677                         mvm->tof_data.responder_cfg.bandwidth = value;
 678                 goto out;
 679         }
 680
 681         data = iwl_dbgfs_is_match("rate=", buf);
 682         if (data) {
 683                 ret = kstrtou32(data, 10, &value);
 684                 if (ret == 0)
 685                         mvm->tof_data.responder_cfg.rate = value;
 686                 goto out;
 687         }
 688
 689         data = iwl_dbgfs_is_match("bssid=", buf);
 690         if (data) {
 691                 u8 *mac = mvm->tof_data.responder_cfg.bssid;
 692
 693                 if (!mac_pton(data, mac)) {
 694                         ret = -EINVAL;
 695                         goto out;
 696                 }
 697         }
 698
 699         data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf);
 700         if (data) {
 701                 ret = kstrtou32(data, 10, &value);
 702                 if (ret == 0)
 703                         mvm->tof_data.responder_cfg.tsf_timer_offset_msecs =
 704                                                         cpu_to_le16(value);
 705                 goto out;
 706         }
 707
 708         data = iwl_dbgfs_is_match("toa_offset=", buf);
 709         if (data) {
 710                 ret = kstrtou32(data, 10, &value);
 711                 if (ret == 0)
 712                         mvm->tof_data.responder_cfg.toa_offset =
 713                                                         cpu_to_le16(value);
 714                 goto out;
 715         }
 716
 717         data = iwl_dbgfs_is_match("center_freq=", buf);
 718         if (data) {
 719                 struct iwl_tof_responder_config_cmd *cmd =
 720                         &mvm->tof_data.responder_cfg;
 721
 722                 ret = kstrtou32(data, 10, &value);
 723                 if (ret == 0 && value) {
 724                         enum nl80211_band band = (cmd->channel_num <= 14) ?
 725                                                    NL80211_BAND_2GHZ :
 726                                                    NL80211_BAND_5GHZ;
 727                         struct ieee80211_channel chn = {
 728                                 .band = band,
 729                                 .center_freq = ieee80211_channel_to_frequency(
 730                                         cmd->channel_num, band),
 731                                 };
 732                         struct cfg80211_chan_def chandef = {
 733                                 .chan =  &chn,
 734                                 .center_freq1 =
 735                                         ieee80211_channel_to_frequency(value,
 736                                                                        band),
 737                         };
 738
 739                         cmd->ctrl_ch_position = iwl_mvm_get_ctrl_pos(&chandef);
 740                 }
 741                 goto out;
 742         }
 743
 744         data = iwl_dbgfs_is_match("ftm_per_burst=", buf);
 745         if (data) {
 746                 ret = kstrtou32(data, 10, &value);
 747                 if (ret == 0)
 748                         mvm->tof_data.responder_cfg.ftm_per_burst = value;
 749                 goto out;
 750         }
 751
 752         data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf);
 753         if (data) {
 754                 ret = kstrtou32(data, 10, &value);
 755                 if (ret == 0)
 756                         mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value;
 757                 goto out;
 758         }
 759
 760         data = iwl_dbgfs_is_match("asap_mode=", buf);
 761         if (data) {
 762                 ret = kstrtou32(data, 10, &value);
 763                 if (ret == 0)
 764                         mvm->tof_data.responder_cfg.asap_mode = value;
 765                 goto out;
 766         }
 767
 768         data = iwl_dbgfs_is_match("send_responder_cfg=", buf);
 769         if (data) {
 770                 ret = kstrtou32(data, 10, &value);
 771                 if (ret == 0 && value) {
 772                         ret = iwl_mvm_tof_responder_cmd(mvm, vif);
 773                         goto out;
 774                 }
 775         }
 776
 777 out:
 778         mutex_unlock(&mvm->mutex);
 779
 780         return ret ?: count;
 781 }
 782
 783 static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file,
 784                                                    char __user *user_buf,
 785                                                    size_t count, loff_t *ppos)
 786 {
 787         struct ieee80211_vif *vif = file->private_data;
 788         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 789         struct iwl_mvm *mvm = mvmvif->mvm;
 790         char buf[256];
 791         int pos = 0;
 792         const size_t bufsz = sizeof(buf);
 793         struct iwl_tof_responder_config_cmd *cmd;
 794
 795         cmd = &mvm->tof_data.responder_cfg;
 796
 797         mutex_lock(&mvm->mutex);
 798
 799         pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n",
 800                          le16_to_cpu(cmd->burst_period));
 801         pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n",
 802                          cmd->burst_duration);
 803         pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n",
 804                          cmd->bandwidth);
 805         pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n",
 806                          cmd->channel_num);
 807         pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n",
 808                          cmd->ctrl_ch_position);
 809         pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n",
 810                          cmd->bssid);
 811         pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n",
 812                          cmd->min_delta_ftm);
 813         pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n",
 814                          cmd->num_of_burst_exp);
 815         pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate);
 816         pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n",
 817                          cmd->abort_responder);
 818         pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n",
 819                          cmd->get_ch_est);
 820         pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n",
 821                          cmd->recv_sta_req_params);
 822         pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n",
 823                          cmd->ftm_per_burst);
 824         pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n",
 825                          cmd->ftm_resp_ts_avail);
 826         pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n",
 827                          cmd->asap_mode);
 828         pos += scnprintf(buf + pos, bufsz - pos,
 829                          "tsf_timer_offset_msecs = %d\n",
 830                          le16_to_cpu(cmd->tsf_timer_offset_msecs));
 831         pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n",
 832                          le16_to_cpu(cmd->toa_offset));
 833
 834         mutex_unlock(&mvm->mutex);
 835
 836         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 837 }
 838
 839 static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
 840                                                  char *buf, size_t count,
 841                                                  loff_t *ppos)
 842 {
 843         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 844         struct iwl_mvm *mvm = mvmvif->mvm;
 845         u32 value;
 846         int ret = 0;
 847         char *data;
 848
 849         mutex_lock(&mvm->mutex);
 850
 851         data = iwl_dbgfs_is_match("request_id=", buf);
 852         if (data) {
 853                 ret = kstrtou32(data, 10, &value);
 854                 if (ret == 0)
 855                         mvm->tof_data.range_req.request_id = value;
 856                 goto out;
 857         }
 858
 859         data = iwl_dbgfs_is_match("initiator=", buf);
 860         if (data) {
 861                 ret = kstrtou32(data, 10, &value);
 862                 if (ret == 0)
 863                         mvm->tof_data.range_req.initiator = value;
 864                 goto out;
 865         }
 866
 867         data = iwl_dbgfs_is_match("one_sided_los_disable=", buf);
 868         if (data) {
 869                 ret = kstrtou32(data, 10, &value);
 870                 if (ret == 0)
 871                         mvm->tof_data.range_req.one_sided_los_disable = value;
 872                 goto out;
 873         }
 874
 875         data = iwl_dbgfs_is_match("req_timeout=", buf);
 876         if (data) {
 877                 ret = kstrtou32(data, 10, &value);
 878                 if (ret == 0)
 879                         mvm->tof_data.range_req.req_timeout = value;
 880                 goto out;
 881         }
 882
 883         data = iwl_dbgfs_is_match("report_policy=", buf);
 884         if (data) {
 885                 ret = kstrtou32(data, 10, &value);
 886                 if (ret == 0)
 887                         mvm->tof_data.range_req.report_policy = value;
 888                 goto out;
 889         }
 890
 891         data = iwl_dbgfs_is_match("macaddr_random=", buf);
 892         if (data) {
 893                 ret = kstrtou32(data, 10, &value);
 894                 if (ret == 0)
 895                         mvm->tof_data.range_req.macaddr_random = value;
 896                 goto out;
 897         }
 898
 899         data = iwl_dbgfs_is_match("num_of_ap=", buf);
 900         if (data) {
 901                 ret = kstrtou32(data, 10, &value);
 902                 if (ret == 0)
 903                         mvm->tof_data.range_req.num_of_ap = value;
 904                 goto out;
 905         }
 906
 907         data = iwl_dbgfs_is_match("macaddr_template=", buf);
 908         if (data) {
 909                 u8 mac[ETH_ALEN];
 910
 911                 if (!mac_pton(data, mac)) {
 912                         ret = -EINVAL;
 913                         goto out;
 914                 }
 915                 memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN);
 916                 goto out;
 917         }
 918
 919         data = iwl_dbgfs_is_match("macaddr_mask=", buf);
 920         if (data) {
 921                 u8 mac[ETH_ALEN];
 922
 923                 if (!mac_pton(data, mac)) {
 924                         ret = -EINVAL;
 925                         goto out;
 926                 }
 927                 memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN);
 928                 goto out;
 929         }
 930
 931         data = iwl_dbgfs_is_match("ap=", buf);
 932         if (data) {
 933                 struct iwl_tof_range_req_ap_entry ap = {};
 934                 int size = sizeof(struct iwl_tof_range_req_ap_entry);
 935                 u16 burst_period;
 936                 u8 *mac = ap.bssid;
 937                 unsigned int i;
 938
 939                 if (sscanf(data, "%u %hhd %hhd %hhd"
 940                            "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"
 941                            "%hhd %hhd %hd"
 942                            "%hhd %hhd %d"
 943                            "%hhx %hhd %hhd %hhd",
 944                            &i, &ap.channel_num, &ap.bandwidth,
 945                            &ap.ctrl_ch_position,
 946                            mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5,
 947                            &ap.measure_type, &ap.num_of_bursts,
 948                            &burst_period,
 949                            &ap.samples_per_burst, &ap.retries_per_sample,
 950                            &ap.tsf_delta, &ap.location_req, &ap.asap_mode,
 951                            &ap.enable_dyn_ack, &ap.rssi) != 20) {
 952                         ret = -EINVAL;
 953                         goto out;
 954                 }
 955                 if (i >= IWL_MVM_TOF_MAX_APS) {
 956                         IWL_ERR(mvm, "Invalid AP index %d\n", i);
 957                         ret = -EINVAL;
 958                         goto out;
 959                 }
 960
 961                 ap.burst_period = cpu_to_le16(burst_period);
 962
 963                 memcpy(&mvm->tof_data.range_req.ap[i], &ap, size);
 964                 goto out;
 965         }
 966
 967         data = iwl_dbgfs_is_match("send_range_request=", buf);
 968         if (data) {
 969                 ret = kstrtou32(data, 10, &value);
 970                 if (ret == 0 && value)
 971                         ret = iwl_mvm_tof_range_request_cmd(mvm, vif);
 972                 goto out;
 973         }
 974
 975         ret = -EINVAL;
 976 out:
 977         mutex_unlock(&mvm->mutex);
 978         return ret ?: count;
 979 }
 980
 981 static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file,
 982                                                 char __user *user_buf,
 983                                                 size_t count, loff_t *ppos)
 984 {
 985         struct ieee80211_vif *vif = file->private_data;
 986         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 987         struct iwl_mvm *mvm = mvmvif->mvm;
 988         char buf[512];
 989         int pos = 0;
 990         const size_t bufsz = sizeof(buf);
 991         struct iwl_tof_range_req_cmd *cmd;
 992         int i;
 993
 994         cmd = &mvm->tof_data.range_req;
 995
 996         mutex_lock(&mvm->mutex);
 997
 998         pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n",
 999                          cmd->request_id);
1000         pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n",
1001                          cmd->initiator);
1002         pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n",
1003                          cmd->one_sided_los_disable);
1004         pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n",
1005                          cmd->req_timeout);
1006         pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n",
1007                          cmd->report_policy);
1008         pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n",
1009                          cmd->macaddr_random);
1010         pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n",
1011                          cmd->macaddr_template);
1012         pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n",
1013                          cmd->macaddr_mask);
1014         pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n",
1015                          cmd->num_of_ap);
1016         for (i = 0; i < cmd->num_of_ap; i++) {
1017                 struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i];
1018
1019                 pos += scnprintf(buf + pos, bufsz - pos,
1020                                 "ap %.2d: channel_num=%hhd bw=%hhd"
1021                                 " control=%hhd bssid=%pM type=%hhd"
1022                                 " num_of_bursts=%hhd burst_period=%hd ftm=%hhd"
1023                                 " retries=%hhd tsf_delta=%d"
1024                                 " tsf_delta_direction=%hhd location_req=0x%hhx "
1025                                 " asap=%hhd enable=%hhd rssi=%hhd\n",
1026                                 i, ap->channel_num, ap->bandwidth,
1027                                 ap->ctrl_ch_position, ap->bssid,
1028                                 ap->measure_type, ap->num_of_bursts,
1029                                 ap->burst_period, ap->samples_per_burst,
1030                                 ap->retries_per_sample, ap->tsf_delta,
1031                                 ap->tsf_delta_direction,
1032                                 ap->location_req, ap->asap_mode,
1033                                 ap->enable_dyn_ack, ap->rssi);
1034         }
1035
1036         mutex_unlock(&mvm->mutex);
1037
1038         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1039 }
1040
1041 static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif,
1042                                                  char *buf,
1043                                                  size_t count, loff_t *ppos)
1044 {
1045         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1046         struct iwl_mvm *mvm = mvmvif->mvm;
1047         u32 value;
1048         int ret = 0;
1049         char *data;
1050
1051         mutex_lock(&mvm->mutex);
1052
1053         data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf);
1054         if (data) {
1055                 ret = kstrtou32(data, 10, &value);
1056                 if (ret == 0)
1057                         mvm->tof_data.range_req_ext.tsf_timer_offset_msec =
1058                                                         cpu_to_le16(value);
1059                 goto out;
1060         }
1061
1062         data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
1063         if (data) {
1064                 ret = kstrtou32(data, 10, &value);
1065                 if (ret == 0)
1066                         mvm->tof_data.range_req_ext.min_delta_ftm = value;
1067                 goto out;
1068         }
1069
1070         data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf);
1071         if (data) {
1072                 ret = kstrtou32(data, 10, &value);
1073                 if (ret == 0)
1074                         mvm->tof_data.range_req_ext.ftm_format_and_bw20M =
1075                                                                         value;
1076                 goto out;
1077         }
1078
1079         data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf);
1080         if (data) {
1081                 ret = kstrtou32(data, 10, &value);
1082                 if (ret == 0)
1083                         mvm->tof_data.range_req_ext.ftm_format_and_bw40M =
1084                                                                         value;
1085                 goto out;
1086         }
1087
1088         data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf);
1089         if (data) {
1090                 ret = kstrtou32(data, 10, &value);
1091                 if (ret == 0)
1092                         mvm->tof_data.range_req_ext.ftm_format_and_bw80M =
1093                                                                         value;
1094                 goto out;
1095         }
1096
1097         data = iwl_dbgfs_is_match("send_range_req_ext=", buf);
1098         if (data) {
1099                 ret = kstrtou32(data, 10, &value);
1100                 if (ret == 0 && value)
1101                         ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif);
1102                 goto out;
1103         }
1104
1105         ret = -EINVAL;
1106 out:
1107         mutex_unlock(&mvm->mutex);
1108         return ret ?: count;
1109 }
1110
1111 static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file,
1112                                                 char __user *user_buf,
1113                                                 size_t count, loff_t *ppos)
1114 {
1115         struct ieee80211_vif *vif = file->private_data;
1116         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1117         struct iwl_mvm *mvm = mvmvif->mvm;
1118         char buf[256];
1119         int pos = 0;
1120         const size_t bufsz = sizeof(buf);
1121         struct iwl_tof_range_req_ext_cmd *cmd;
1122
1123         cmd = &mvm->tof_data.range_req_ext;
1124
1125         mutex_lock(&mvm->mutex);
1126
1127         pos += scnprintf(buf + pos, bufsz - pos,
1128                          "tsf_timer_offset_msec = %hd\n",
1129                          cmd->tsf_timer_offset_msec);
1130         pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhd\n",
1131                          cmd->min_delta_ftm);
1132         pos += scnprintf(buf + pos, bufsz - pos,
1133                          "ftm_format_and_bw20M = %hhd\n",
1134                          cmd->ftm_format_and_bw20M);
1135         pos += scnprintf(buf + pos, bufsz - pos,
1136                          "ftm_format_and_bw40M = %hhd\n",
1137                          cmd->ftm_format_and_bw40M);
1138         pos += scnprintf(buf + pos, bufsz - pos,
1139                          "ftm_format_and_bw80M = %hhd\n",
1140                          cmd->ftm_format_and_bw80M);
1141
1142         mutex_unlock(&mvm->mutex);
1143         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1144 }
1145
1146 static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif,
1147                                                char *buf,
1148                                                size_t count, loff_t *ppos)
1149 {
1150         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1151         struct iwl_mvm *mvm = mvmvif->mvm;
1152         u32 value;
1153         int abort_id, ret = 0;
1154         char *data;
1155
1156         mutex_lock(&mvm->mutex);
1157
1158         data = iwl_dbgfs_is_match("abort_id=", buf);
1159         if (data) {
1160                 ret = kstrtou32(data, 10, &value);
1161                 if (ret == 0)
1162                         mvm->tof_data.last_abort_id = value;
1163                 goto out;
1164         }
1165
1166         data = iwl_dbgfs_is_match("send_range_abort=", buf);
1167         if (data) {
1168                 ret = kstrtou32(data, 10, &value);
1169                 if (ret == 0 && value) {
1170                         abort_id = mvm->tof_data.last_abort_id;
1171                         ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id);
1172                         goto out;
1173                 }
1174         }
1175
1176 out:
1177         mutex_unlock(&mvm->mutex);
1178         return ret ?: count;
1179 }
1180
1181 static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file,
1182                                               char __user *user_buf,
1183                                               size_t count, loff_t *ppos)
1184 {
1185         struct ieee80211_vif *vif = file->private_data;
1186         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1187         struct iwl_mvm *mvm = mvmvif->mvm;
1188         char buf[32];
1189         int pos = 0;
1190         const size_t bufsz = sizeof(buf);
1191         int last_abort_id;
1192
1193         mutex_lock(&mvm->mutex);
1194         last_abort_id = mvm->tof_data.last_abort_id;
1195         mutex_unlock(&mvm->mutex);
1196
1197         pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n",
1198                          last_abort_id);
1199         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1200 }
1201
1202 static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file,
1203                                                  char __user *user_buf,
1204                                                  size_t count, loff_t *ppos)
1205 {
1206         struct ieee80211_vif *vif = file->private_data;
1207         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1208         struct iwl_mvm *mvm = mvmvif->mvm;
1209         char *buf;
1210         int pos = 0;
1211         const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256;
1212         struct iwl_tof_range_rsp_ntfy *cmd;
1213         int i, ret;
1214
1215         buf = kzalloc(bufsz, GFP_KERNEL);
1216         if (!buf)
1217                 return -ENOMEM;
1218
1219         mutex_lock(&mvm->mutex);
1220         cmd = &mvm->tof_data.range_resp;
1221
1222         pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n",
1223                          cmd->request_id);
1224         pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n",
1225                          cmd->request_status);
1226         pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n",
1227                          cmd->last_in_batch);
1228         pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n",
1229                          cmd->num_of_aps);
1230         for (i = 0; i < cmd->num_of_aps; i++) {
1231                 struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i];
1232
1233                 pos += scnprintf(buf + pos, bufsz - pos,
1234                                 "ap %.2d: bssid=%pM status=%hhd bw=%hhd"
1235                                 " rtt=%d rtt_var=%d rtt_spread=%d"
1236                                 " rssi=%hhd  rssi_spread=%hhd"
1237                                 " range=%d range_var=%d"
1238                                 " time_stamp=%d\n",
1239                                 i, ap->bssid, ap->measure_status,
1240                                 ap->measure_bw,
1241                                 ap->rtt, ap->rtt_variance, ap->rtt_spread,
1242                                 ap->rssi, ap->rssi_spread, ap->range,
1243                                 ap->range_variance, ap->timestamp);
1244         }
1245         mutex_unlock(&mvm->mutex);
1246
1247         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1248         kfree(buf);
1249         return ret;
1250 }
1251
1252 static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
1253                                            size_t count, loff_t *ppos)
1254 {
1255         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1256         struct iwl_mvm *mvm = mvmvif->mvm;
1257         bool prev;
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         prev = iwl_mvm_vif_low_latency(mvmvif);
1269         mvmvif->low_latency_dbgfs = value;
1270         iwl_mvm_update_low_latency(mvm, vif, prev);
1271         mutex_unlock(&mvm->mutex);
1272
1273         return count;
1274 }
1275
1276 static ssize_t iwl_dbgfs_low_latency_read(struct file *file,
1277                                           char __user *user_buf,
1278                                           size_t count, loff_t *ppos)
1279 {
1280         struct ieee80211_vif *vif = file->private_data;
1281         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1282         char buf[30] = {};
1283         int len;
1284
1285         len = snprintf(buf, sizeof(buf) - 1,
1286                        "traffic=%d\ndbgfs=%d\nvcmd=%d\n",
1287                        mvmvif->low_latency_traffic,
1288                        mvmvif->low_latency_dbgfs,
1289                        mvmvif->low_latency_vcmd);
1290         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1291 }
1292
1293 static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file,
1294                                                 char __user *user_buf,
1295                                                 size_t count, loff_t *ppos)
1296 {
1297         struct ieee80211_vif *vif = file->private_data;
1298         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1299         char buf[20];
1300         int len;
1301
1302         len = sprintf(buf, "%pM\n", mvmvif->uapsd_misbehaving_bssid);
1303         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1304 }
1305
1306 static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif,
1307                                                  char *buf, size_t count,
1308                                                  loff_t *ppos)
1309 {
1310         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1311         struct iwl_mvm *mvm = mvmvif->mvm;
1312         bool ret;
1313
1314         mutex_lock(&mvm->mutex);
1315         ret = mac_pton(buf, mvmvif->uapsd_misbehaving_bssid);
1316         mutex_unlock(&mvm->mutex);
1317
1318         return ret ? count : -EINVAL;
1319 }
1320
1321 static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf,
1322                                           size_t count, loff_t *ppos)
1323 {
1324         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1325         struct iwl_mvm *mvm = mvmvif->mvm;
1326         struct ieee80211_chanctx_conf *chanctx_conf;
1327         struct iwl_mvm_phy_ctxt *phy_ctxt;
1328         u16 value;
1329         int ret;
1330
1331         ret = kstrtou16(buf, 0, &value);
1332         if (ret)
1333                 return ret;
1334
1335         mutex_lock(&mvm->mutex);
1336         rcu_read_lock();
1337
1338         chanctx_conf = rcu_dereference(vif->chanctx_conf);
1339         /* make sure the channel context is assigned */
1340         if (!chanctx_conf) {
1341                 rcu_read_unlock();
1342                 mutex_unlock(&mvm->mutex);
1343                 return -EINVAL;
1344         }
1345
1346         phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv];
1347         rcu_read_unlock();
1348
1349         mvm->dbgfs_rx_phyinfo = value;
1350
1351         ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def,
1352                                        chanctx_conf->rx_chains_static,
1353                                        chanctx_conf->rx_chains_dynamic);
1354         mutex_unlock(&mvm->mutex);
1355
1356         return ret ?: count;
1357 }
1358
1359 static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file,
1360                                          char __user *user_buf,
1361                                          size_t count, loff_t *ppos)
1362 {
1363         struct ieee80211_vif *vif = file->private_data;
1364         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1365         char buf[8];
1366
1367         snprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo);
1368
1369         return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
1370 }
1371
1372 static void iwl_dbgfs_quota_check(void *data, u8 *mac,
1373                                   struct ieee80211_vif *vif)
1374 {
1375         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1376         int *ret = data;
1377
1378         if (mvmvif->dbgfs_quota_min)
1379                 *ret = -EINVAL;
1380 }
1381
1382 static ssize_t iwl_dbgfs_quota_min_write(struct ieee80211_vif *vif, char *buf,
1383                                          size_t count, loff_t *ppos)
1384 {
1385         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1386         struct iwl_mvm *mvm = mvmvif->mvm;
1387         u16 value;
1388         int ret;
1389
1390         ret = kstrtou16(buf, 0, &value);
1391         if (ret)
1392                 return ret;
1393
1394         if (value > 95)
1395                 return -EINVAL;
1396
1397         mutex_lock(&mvm->mutex);
1398
1399         mvmvif->dbgfs_quota_min = 0;
1400         ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1401                                      iwl_dbgfs_quota_check, &ret);
1402         if (ret == 0) {
1403                 mvmvif->dbgfs_quota_min = value;
1404                 iwl_mvm_update_quotas(mvm, false, NULL);
1405         }
1406         mutex_unlock(&mvm->mutex);
1407
1408         return ret ?: count;
1409 }
1410
1411 static ssize_t iwl_dbgfs_quota_min_read(struct file *file,
1412                                         char __user *user_buf,
1413                                         size_t count, loff_t *ppos)
1414 {
1415         struct ieee80211_vif *vif = file->private_data;
1416         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1417         char buf[10];
1418         int len;
1419
1420         len = snprintf(buf, sizeof(buf), "%d\n", mvmvif->dbgfs_quota_min);
1421
1422         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1423 }
1424
1425 static const char * const chanwidths[] = {
1426         [NL80211_CHAN_WIDTH_20_NOHT] = "noht",
1427         [NL80211_CHAN_WIDTH_20] = "ht20",
1428         [NL80211_CHAN_WIDTH_40] = "ht40",
1429         [NL80211_CHAN_WIDTH_80] = "vht80",
1430         [NL80211_CHAN_WIDTH_80P80] = "vht80p80",
1431         [NL80211_CHAN_WIDTH_160] = "vht160",
1432 };
1433
1434 static bool iwl_mvm_lqm_notif_wait(struct iwl_notif_wait_data *notif_wait,
1435                                    struct iwl_rx_packet *pkt, void *data)
1436 {
1437         struct ieee80211_vif *vif = data;
1438         struct iwl_mvm *mvm =
1439                 container_of(notif_wait, struct iwl_mvm, notif_wait);
1440         struct iwl_link_qual_msrmnt_notif *report = (void *)pkt->data;
1441         u32 num_of_stations = le32_to_cpu(report->number_of_stations);
1442         int i;
1443
1444         IWL_INFO(mvm, "LQM report:\n");
1445         IWL_INFO(mvm, "\tstatus: %d\n", report->status);
1446         IWL_INFO(mvm, "\tmacID: %d\n", le32_to_cpu(report->mac_id));
1447         IWL_INFO(mvm, "\ttx_frame_dropped: %d\n",
1448                  le32_to_cpu(report->tx_frame_dropped));
1449         IWL_INFO(mvm, "\ttime_in_measurement_window: %d us\n",
1450                  le32_to_cpu(report->time_in_measurement_window));
1451         IWL_INFO(mvm, "\ttotal_air_time_other_stations: %d\n",
1452                  le32_to_cpu(report->total_air_time_other_stations));
1453         IWL_INFO(mvm, "\tchannel_freq: %d\n",
1454                  vif->bss_conf.chandef.center_freq1);
1455         IWL_INFO(mvm, "\tchannel_width: %s\n",
1456                  chanwidths[vif->bss_conf.chandef.width]);
1457         IWL_INFO(mvm, "\tnumber_of_stations: %d\n", num_of_stations);
1458         for (i = 0; i < num_of_stations; i++)
1459                 IWL_INFO(mvm, "\t\tsta[%d]: %d\n", i,
1460                          report->frequent_stations_air_time[i]);
1461
1462         return true;
1463 }
1464
1465 static ssize_t iwl_dbgfs_lqm_send_cmd_write(struct ieee80211_vif *vif,
1466                                             char *buf, size_t count,
1467                                             loff_t *ppos)
1468 {
1469         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1470         struct iwl_mvm *mvm = mvmvif->mvm;
1471         struct iwl_notification_wait wait_lqm_notif;
1472         static u16 lqm_notif[] = {
1473                 WIDE_ID(MAC_CONF_GROUP,
1474                         LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF)
1475         };
1476         int err;
1477         u32 duration;
1478         u32 timeout;
1479
1480         if (sscanf(buf, "%d,%d", &duration, &timeout) != 2)
1481                 return -EINVAL;
1482
1483         iwl_init_notification_wait(&mvm->notif_wait, &wait_lqm_notif,
1484                                    lqm_notif, ARRAY_SIZE(lqm_notif),
1485                                    iwl_mvm_lqm_notif_wait, vif);
1486         mutex_lock(&mvm->mutex);
1487         err = iwl_mvm_send_lqm_cmd(vif, LQM_CMD_OPERATION_START_MEASUREMENT,
1488                                    duration, timeout);
1489         mutex_unlock(&mvm->mutex);
1490
1491         if (err) {
1492                 IWL_ERR(mvm, "Failed to send lqm cmdf(err=%d)\n", err);
1493                 iwl_remove_notification(&mvm->notif_wait, &wait_lqm_notif);
1494                 return err;
1495         }
1496
1497         /* wait for 2 * timeout (safety guard) and convert to jiffies*/
1498         timeout = msecs_to_jiffies((timeout * 2) / 1000);
1499
1500         err = iwl_wait_notification(&mvm->notif_wait, &wait_lqm_notif,
1501                                     timeout);
1502         if (err)
1503                 IWL_ERR(mvm, "Getting lqm notif timed out\n");
1504
1505         return count;
1506 }
1507
1508 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1509         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1510 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1511         _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1512 #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do {               \
1513                 if (!debugfs_create_file(#name, mode, parent, vif,      \
1514                                          &iwl_dbgfs_##name##_ops))      \
1515                         goto err;                                       \
1516         } while (0)
1517
1518 MVM_DEBUGFS_READ_FILE_OPS(mac_params);
1519 MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt);
1520 MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);
1521 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
1522 MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
1523 MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
1524 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
1525 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32);
1526 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512);
1527 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32);
1528 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32);
1529 MVM_DEBUGFS_READ_FILE_OPS(tof_range_response);
1530 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32);
1531 MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32);
1532 MVM_DEBUGFS_WRITE_FILE_OPS(lqm_send_cmd, 64);
1533
1534 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1535 {
1536         struct dentry *dbgfs_dir = vif->debugfs_dir;
1537         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1538         char buf[100];
1539
1540         /*
1541          * Check if debugfs directory already exist before creating it.
1542          * This may happen when, for example, resetting hw or suspend-resume
1543          */
1544         if (!dbgfs_dir || mvmvif->dbgfs_dir)
1545                 return;
1546
1547         mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
1548
1549         if (!mvmvif->dbgfs_dir) {
1550                 IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
1551                         dbgfs_dir->d_name.name);
1552                 return;
1553         }
1554
1555         if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
1556             ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) ||
1557              (vif->type == NL80211_IFTYPE_STATION && vif->p2p &&
1558               mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)))
1559                 MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
1560                                          S_IRUSR);
1561
1562         MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR);
1563         MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR);
1564         MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir,
1565                                  S_IRUSR | S_IWUSR);
1566         MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir,
1567                                  S_IRUSR | S_IWUSR);
1568         MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir,
1569                                  S_IRUSR | S_IWUSR);
1570         MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir,
1571                                  S_IRUSR | S_IWUSR);
1572         MVM_DEBUGFS_ADD_FILE_VIF(lqm_send_cmd, mvmvif->dbgfs_dir, S_IWUSR);
1573
1574         if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1575             mvmvif == mvm->bf_allowed_vif)
1576                 MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
1577                                          S_IRUSR | S_IWUSR);
1578
1579         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) &&
1580             !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) {
1581                 if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP)
1582                         MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params,
1583                                                  mvmvif->dbgfs_dir,
1584                                                  S_IRUSR | S_IWUSR);
1585
1586                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir,
1587                                          S_IRUSR | S_IWUSR);
1588                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir,
1589                                          S_IRUSR | S_IWUSR);
1590                 MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir,
1591                                          S_IRUSR | S_IWUSR);
1592                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir,
1593                                          S_IRUSR | S_IWUSR);
1594                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir,
1595                                          S_IRUSR);
1596         }
1597
1598         /*
1599          * Create symlink for convenience pointing to interface specific
1600          * debugfs entries for the driver. For example, under
1601          * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
1602          * find
1603          * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
1604          */
1605         snprintf(buf, 100, "../../../%s/%s/%s/%s",
1606                  dbgfs_dir->d_parent->d_parent->d_name.name,
1607                  dbgfs_dir->d_parent->d_name.name,
1608                  dbgfs_dir->d_name.name,
1609                  mvmvif->dbgfs_dir->d_name.name);
1610
1611         mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
1612                                                      mvm->debugfs_dir, buf);
1613         if (!mvmvif->dbgfs_slink)
1614                 IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
1615                         dbgfs_dir->d_name.name);
1616         return;
1617 err:
1618         IWL_ERR(mvm, "Can't create debugfs entity\n");
1619 }
1620
1621 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1622 {
1623         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1624
1625         debugfs_remove(mvmvif->dbgfs_slink);
1626         mvmvif->dbgfs_slink = NULL;
1627
1628         debugfs_remove_recursive(mvmvif->dbgfs_dir);
1629         mvmvif->dbgfs_dir = NULL;
1630 }