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
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  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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  29  * Contact Information:
  30  *  Intel Linux Wireless <linuxwifi@intel.com>
  31  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  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
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  41  * modification, are permitted provided that the following conditions
  42  * are met:
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  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
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  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_os_device_timediff_read(struct file *file,
 508                                                  char __user *user_buf,
 509                                                  size_t count, loff_t *ppos)
 510 {
 511         struct ieee80211_vif *vif = file->private_data;
 512         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 513         struct iwl_mvm *mvm = mvmvif->mvm;
 514         u32 curr_gp2;
 515         u64 curr_os;
 516         s64 diff;
 517         char buf[64];
 518         const size_t bufsz = sizeof(buf);
 519         int pos = 0;
 520
 521         iwl_mvm_get_sync_time(mvm, &curr_gp2, &curr_os);
 522         do_div(curr_os, NSEC_PER_USEC);
 523         diff = curr_os - curr_gp2;
 524         pos += scnprintf(buf + pos, bufsz - pos, "diff=%lld\n", diff);
 525
 526         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 527 }
 528
 529 static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif,
 530                                           char *buf,
 531                                           size_t count, loff_t *ppos)
 532 {
 533         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 534         struct iwl_mvm *mvm = mvmvif->mvm;
 535         u32 value;
 536         int ret = -EINVAL;
 537         char *data;
 538
 539         mutex_lock(&mvm->mutex);
 540
 541         data = iwl_dbgfs_is_match("tof_disabled=", buf);
 542         if (data) {
 543                 ret = kstrtou32(data, 10, &value);
 544                 if (ret == 0)
 545                         mvm->tof_data.tof_cfg.tof_disabled = value;
 546                 goto out;
 547         }
 548
 549         data = iwl_dbgfs_is_match("one_sided_disabled=", buf);
 550         if (data) {
 551                 ret = kstrtou32(data, 10, &value);
 552                 if (ret == 0)
 553                         mvm->tof_data.tof_cfg.one_sided_disabled = value;
 554                 goto out;
 555         }
 556
 557         data = iwl_dbgfs_is_match("is_debug_mode=", buf);
 558         if (data) {
 559                 ret = kstrtou32(data, 10, &value);
 560                 if (ret == 0)
 561                         mvm->tof_data.tof_cfg.is_debug_mode = value;
 562                 goto out;
 563         }
 564
 565         data = iwl_dbgfs_is_match("is_buf=", buf);
 566         if (data) {
 567                 ret = kstrtou32(data, 10, &value);
 568                 if (ret == 0)
 569                         mvm->tof_data.tof_cfg.is_buf_required = value;
 570                 goto out;
 571         }
 572
 573         data = iwl_dbgfs_is_match("send_tof_cfg=", buf);
 574         if (data) {
 575                 ret = kstrtou32(data, 10, &value);
 576                 if (ret == 0 && value) {
 577                         ret = iwl_mvm_tof_config_cmd(mvm);
 578                         goto out;
 579                 }
 580         }
 581
 582 out:
 583         mutex_unlock(&mvm->mutex);
 584
 585         return ret ?: count;
 586 }
 587
 588 static ssize_t iwl_dbgfs_tof_enable_read(struct file *file,
 589                                          char __user *user_buf,
 590                                          size_t count, loff_t *ppos)
 591 {
 592         struct ieee80211_vif *vif = file->private_data;
 593         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 594         struct iwl_mvm *mvm = mvmvif->mvm;
 595         char buf[256];
 596         int pos = 0;
 597         const size_t bufsz = sizeof(buf);
 598         struct iwl_tof_config_cmd *cmd;
 599
 600         cmd = &mvm->tof_data.tof_cfg;
 601
 602         mutex_lock(&mvm->mutex);
 603
 604         pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n",
 605                          cmd->tof_disabled);
 606         pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n",
 607                          cmd->one_sided_disabled);
 608         pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n",
 609                          cmd->is_debug_mode);
 610         pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n",
 611                          cmd->is_buf_required);
 612
 613         mutex_unlock(&mvm->mutex);
 614
 615         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 616 }
 617
 618 static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif,
 619                                                     char *buf,
 620                                                     size_t count, loff_t *ppos)
 621 {
 622         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 623         struct iwl_mvm *mvm = mvmvif->mvm;
 624         u32 value;
 625         int ret = 0;
 626         char *data;
 627
 628         mutex_lock(&mvm->mutex);
 629
 630         data = iwl_dbgfs_is_match("burst_period=", buf);
 631         if (data) {
 632                 ret = kstrtou32(data, 10, &value);
 633                 if (!ret)
 634                         mvm->tof_data.responder_cfg.burst_period =
 635                                                         cpu_to_le16(value);
 636                 goto out;
 637         }
 638
 639         data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
 640         if (data) {
 641                 ret = kstrtou32(data, 10, &value);
 642                 if (ret == 0)
 643                         mvm->tof_data.responder_cfg.min_delta_ftm = value;
 644                 goto out;
 645         }
 646
 647         data = iwl_dbgfs_is_match("burst_duration=", buf);
 648         if (data) {
 649                 ret = kstrtou32(data, 10, &value);
 650                 if (ret == 0)
 651                         mvm->tof_data.responder_cfg.burst_duration = value;
 652                 goto out;
 653         }
 654
 655         data = iwl_dbgfs_is_match("num_of_burst_exp=", buf);
 656         if (data) {
 657                 ret = kstrtou32(data, 10, &value);
 658                 if (ret == 0)
 659                         mvm->tof_data.responder_cfg.num_of_burst_exp = value;
 660                 goto out;
 661         }
 662
 663         data = iwl_dbgfs_is_match("abort_responder=", buf);
 664         if (data) {
 665                 ret = kstrtou32(data, 10, &value);
 666                 if (ret == 0)
 667                         mvm->tof_data.responder_cfg.abort_responder = value;
 668                 goto out;
 669         }
 670
 671         data = iwl_dbgfs_is_match("get_ch_est=", buf);
 672         if (data) {
 673                 ret = kstrtou32(data, 10, &value);
 674                 if (ret == 0)
 675                         mvm->tof_data.responder_cfg.get_ch_est = value;
 676                 goto out;
 677         }
 678
 679         data = iwl_dbgfs_is_match("recv_sta_req_params=", buf);
 680         if (data) {
 681                 ret = kstrtou32(data, 10, &value);
 682                 if (ret == 0)
 683                         mvm->tof_data.responder_cfg.recv_sta_req_params = value;
 684                 goto out;
 685         }
 686
 687         data = iwl_dbgfs_is_match("channel_num=", buf);
 688         if (data) {
 689                 ret = kstrtou32(data, 10, &value);
 690                 if (ret == 0)
 691                         mvm->tof_data.responder_cfg.channel_num = value;
 692                 goto out;
 693         }
 694
 695         data = iwl_dbgfs_is_match("bandwidth=", buf);
 696         if (data) {
 697                 ret = kstrtou32(data, 10, &value);
 698                 if (ret == 0)
 699                         mvm->tof_data.responder_cfg.bandwidth = value;
 700                 goto out;
 701         }
 702
 703         data = iwl_dbgfs_is_match("rate=", buf);
 704         if (data) {
 705                 ret = kstrtou32(data, 10, &value);
 706                 if (ret == 0)
 707                         mvm->tof_data.responder_cfg.rate = value;
 708                 goto out;
 709         }
 710
 711         data = iwl_dbgfs_is_match("bssid=", buf);
 712         if (data) {
 713                 u8 *mac = mvm->tof_data.responder_cfg.bssid;
 714
 715                 if (!mac_pton(data, mac)) {
 716                         ret = -EINVAL;
 717                         goto out;
 718                 }
 719         }
 720
 721         data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf);
 722         if (data) {
 723                 ret = kstrtou32(data, 10, &value);
 724                 if (ret == 0)
 725                         mvm->tof_data.responder_cfg.tsf_timer_offset_msecs =
 726                                                         cpu_to_le16(value);
 727                 goto out;
 728         }
 729
 730         data = iwl_dbgfs_is_match("toa_offset=", buf);
 731         if (data) {
 732                 ret = kstrtou32(data, 10, &value);
 733                 if (ret == 0)
 734                         mvm->tof_data.responder_cfg.toa_offset =
 735                                                         cpu_to_le16(value);
 736                 goto out;
 737         }
 738
 739         data = iwl_dbgfs_is_match("center_freq=", buf);
 740         if (data) {
 741                 struct iwl_tof_responder_config_cmd *cmd =
 742                         &mvm->tof_data.responder_cfg;
 743
 744                 ret = kstrtou32(data, 10, &value);
 745                 if (ret == 0 && value) {
 746                         enum nl80211_band band = (cmd->channel_num <= 14) ?
 747                                                    NL80211_BAND_2GHZ :
 748                                                    NL80211_BAND_5GHZ;
 749                         struct ieee80211_channel chn = {
 750                                 .band = band,
 751                                 .center_freq = ieee80211_channel_to_frequency(
 752                                         cmd->channel_num, band),
 753                                 };
 754                         struct cfg80211_chan_def chandef = {
 755                                 .chan =  &chn,
 756                                 .center_freq1 =
 757                                         ieee80211_channel_to_frequency(value,
 758                                                                        band),
 759                         };
 760
 761                         cmd->ctrl_ch_position = iwl_mvm_get_ctrl_pos(&chandef);
 762                 }
 763                 goto out;
 764         }
 765
 766         data = iwl_dbgfs_is_match("ftm_per_burst=", buf);
 767         if (data) {
 768                 ret = kstrtou32(data, 10, &value);
 769                 if (ret == 0)
 770                         mvm->tof_data.responder_cfg.ftm_per_burst = value;
 771                 goto out;
 772         }
 773
 774         data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf);
 775         if (data) {
 776                 ret = kstrtou32(data, 10, &value);
 777                 if (ret == 0)
 778                         mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value;
 779                 goto out;
 780         }
 781
 782         data = iwl_dbgfs_is_match("asap_mode=", buf);
 783         if (data) {
 784                 ret = kstrtou32(data, 10, &value);
 785                 if (ret == 0)
 786                         mvm->tof_data.responder_cfg.asap_mode = value;
 787                 goto out;
 788         }
 789
 790         data = iwl_dbgfs_is_match("send_responder_cfg=", buf);
 791         if (data) {
 792                 ret = kstrtou32(data, 10, &value);
 793                 if (ret == 0 && value) {
 794                         ret = iwl_mvm_tof_responder_cmd(mvm, vif);
 795                         goto out;
 796                 }
 797         }
 798
 799 out:
 800         mutex_unlock(&mvm->mutex);
 801
 802         return ret ?: count;
 803 }
 804
 805 static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file,
 806                                                    char __user *user_buf,
 807                                                    size_t count, loff_t *ppos)
 808 {
 809         struct ieee80211_vif *vif = file->private_data;
 810         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 811         struct iwl_mvm *mvm = mvmvif->mvm;
 812         char buf[256];
 813         int pos = 0;
 814         const size_t bufsz = sizeof(buf);
 815         struct iwl_tof_responder_config_cmd *cmd;
 816
 817         cmd = &mvm->tof_data.responder_cfg;
 818
 819         mutex_lock(&mvm->mutex);
 820
 821         pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n",
 822                          le16_to_cpu(cmd->burst_period));
 823         pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n",
 824                          cmd->burst_duration);
 825         pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n",
 826                          cmd->bandwidth);
 827         pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n",
 828                          cmd->channel_num);
 829         pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n",
 830                          cmd->ctrl_ch_position);
 831         pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n",
 832                          cmd->bssid);
 833         pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n",
 834                          cmd->min_delta_ftm);
 835         pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n",
 836                          cmd->num_of_burst_exp);
 837         pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate);
 838         pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n",
 839                          cmd->abort_responder);
 840         pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n",
 841                          cmd->get_ch_est);
 842         pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n",
 843                          cmd->recv_sta_req_params);
 844         pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n",
 845                          cmd->ftm_per_burst);
 846         pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n",
 847                          cmd->ftm_resp_ts_avail);
 848         pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n",
 849                          cmd->asap_mode);
 850         pos += scnprintf(buf + pos, bufsz - pos,
 851                          "tsf_timer_offset_msecs = %d\n",
 852                          le16_to_cpu(cmd->tsf_timer_offset_msecs));
 853         pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n",
 854                          le16_to_cpu(cmd->toa_offset));
 855
 856         mutex_unlock(&mvm->mutex);
 857
 858         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 859 }
 860
 861 static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
 862                                                  char *buf, size_t count,
 863                                                  loff_t *ppos)
 864 {
 865         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 866         struct iwl_mvm *mvm = mvmvif->mvm;
 867         u32 value;
 868         int ret = 0;
 869         char *data;
 870
 871         mutex_lock(&mvm->mutex);
 872
 873         data = iwl_dbgfs_is_match("request_id=", buf);
 874         if (data) {
 875                 ret = kstrtou32(data, 10, &value);
 876                 if (ret == 0)
 877                         mvm->tof_data.range_req.request_id = value;
 878                 goto out;
 879         }
 880
 881         data = iwl_dbgfs_is_match("initiator=", buf);
 882         if (data) {
 883                 ret = kstrtou32(data, 10, &value);
 884                 if (ret == 0)
 885                         mvm->tof_data.range_req.initiator = value;
 886                 goto out;
 887         }
 888
 889         data = iwl_dbgfs_is_match("one_sided_los_disable=", buf);
 890         if (data) {
 891                 ret = kstrtou32(data, 10, &value);
 892                 if (ret == 0)
 893                         mvm->tof_data.range_req.one_sided_los_disable = value;
 894                 goto out;
 895         }
 896
 897         data = iwl_dbgfs_is_match("req_timeout=", buf);
 898         if (data) {
 899                 ret = kstrtou32(data, 10, &value);
 900                 if (ret == 0)
 901                         mvm->tof_data.range_req.req_timeout = value;
 902                 goto out;
 903         }
 904
 905         data = iwl_dbgfs_is_match("report_policy=", buf);
 906         if (data) {
 907                 ret = kstrtou32(data, 10, &value);
 908                 if (ret == 0)
 909                         mvm->tof_data.range_req.report_policy = value;
 910                 goto out;
 911         }
 912
 913         data = iwl_dbgfs_is_match("macaddr_random=", buf);
 914         if (data) {
 915                 ret = kstrtou32(data, 10, &value);
 916                 if (ret == 0)
 917                         mvm->tof_data.range_req.macaddr_random = value;
 918                 goto out;
 919         }
 920
 921         data = iwl_dbgfs_is_match("num_of_ap=", buf);
 922         if (data) {
 923                 ret = kstrtou32(data, 10, &value);
 924                 if (ret == 0)
 925                         mvm->tof_data.range_req.num_of_ap = value;
 926                 goto out;
 927         }
 928
 929         data = iwl_dbgfs_is_match("macaddr_template=", buf);
 930         if (data) {
 931                 u8 mac[ETH_ALEN];
 932
 933                 if (!mac_pton(data, mac)) {
 934                         ret = -EINVAL;
 935                         goto out;
 936                 }
 937                 memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN);
 938                 goto out;
 939         }
 940
 941         data = iwl_dbgfs_is_match("macaddr_mask=", buf);
 942         if (data) {
 943                 u8 mac[ETH_ALEN];
 944
 945                 if (!mac_pton(data, mac)) {
 946                         ret = -EINVAL;
 947                         goto out;
 948                 }
 949                 memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN);
 950                 goto out;
 951         }
 952
 953         data = iwl_dbgfs_is_match("ap=", buf);
 954         if (data) {
 955                 struct iwl_tof_range_req_ap_entry ap = {};
 956                 int size = sizeof(struct iwl_tof_range_req_ap_entry);
 957                 u16 burst_period;
 958                 u8 *mac = ap.bssid;
 959                 unsigned int i;
 960
 961                 if (sscanf(data, "%u %hhd %hhd %hhd"
 962                            "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"
 963                            "%hhd %hhd %hd"
 964                            "%hhd %hhd %d"
 965                            "%hhx %hhd %hhd %hhd",
 966                            &i, &ap.channel_num, &ap.bandwidth,
 967                            &ap.ctrl_ch_position,
 968                            mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5,
 969                            &ap.measure_type, &ap.num_of_bursts,
 970                            &burst_period,
 971                            &ap.samples_per_burst, &ap.retries_per_sample,
 972                            &ap.tsf_delta, &ap.location_req, &ap.asap_mode,
 973                            &ap.enable_dyn_ack, &ap.rssi) != 20) {
 974                         ret = -EINVAL;
 975                         goto out;
 976                 }
 977                 if (i >= IWL_MVM_TOF_MAX_APS) {
 978                         IWL_ERR(mvm, "Invalid AP index %d\n", i);
 979                         ret = -EINVAL;
 980                         goto out;
 981                 }
 982
 983                 ap.burst_period = cpu_to_le16(burst_period);
 984
 985                 memcpy(&mvm->tof_data.range_req.ap[i], &ap, size);
 986                 goto out;
 987         }
 988
 989         data = iwl_dbgfs_is_match("send_range_request=", buf);
 990         if (data) {
 991                 ret = kstrtou32(data, 10, &value);
 992                 if (ret == 0 && value)
 993                         ret = iwl_mvm_tof_range_request_cmd(mvm, vif);
 994                 goto out;
 995         }
 996
 997         ret = -EINVAL;
 998 out:
 999         mutex_unlock(&mvm->mutex);
1000         return ret ?: count;
1001 }
1002
1003 static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file,
1004                                                 char __user *user_buf,
1005                                                 size_t count, loff_t *ppos)
1006 {
1007         struct ieee80211_vif *vif = file->private_data;
1008         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1009         struct iwl_mvm *mvm = mvmvif->mvm;
1010         char buf[512];
1011         int pos = 0;
1012         const size_t bufsz = sizeof(buf);
1013         struct iwl_tof_range_req_cmd *cmd;
1014         int i;
1015
1016         cmd = &mvm->tof_data.range_req;
1017
1018         mutex_lock(&mvm->mutex);
1019
1020         pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n",
1021                          cmd->request_id);
1022         pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n",
1023                          cmd->initiator);
1024         pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n",
1025                          cmd->one_sided_los_disable);
1026         pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n",
1027                          cmd->req_timeout);
1028         pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n",
1029                          cmd->report_policy);
1030         pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n",
1031                          cmd->macaddr_random);
1032         pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n",
1033                          cmd->macaddr_template);
1034         pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n",
1035                          cmd->macaddr_mask);
1036         pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n",
1037                          cmd->num_of_ap);
1038         for (i = 0; i < cmd->num_of_ap; i++) {
1039                 struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i];
1040
1041                 pos += scnprintf(buf + pos, bufsz - pos,
1042                                 "ap %.2d: channel_num=%hhd bw=%hhd"
1043                                 " control=%hhd bssid=%pM type=%hhd"
1044                                 " num_of_bursts=%hhd burst_period=%hd ftm=%hhd"
1045                                 " retries=%hhd tsf_delta=%d"
1046                                 " tsf_delta_direction=%hhd location_req=0x%hhx "
1047                                 " asap=%hhd enable=%hhd rssi=%hhd\n",
1048                                 i, ap->channel_num, ap->bandwidth,
1049                                 ap->ctrl_ch_position, ap->bssid,
1050                                 ap->measure_type, ap->num_of_bursts,
1051                                 ap->burst_period, ap->samples_per_burst,
1052                                 ap->retries_per_sample, ap->tsf_delta,
1053                                 ap->tsf_delta_direction,
1054                                 ap->location_req, ap->asap_mode,
1055                                 ap->enable_dyn_ack, ap->rssi);
1056         }
1057
1058         mutex_unlock(&mvm->mutex);
1059
1060         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1061 }
1062
1063 static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif,
1064                                                  char *buf,
1065                                                  size_t count, loff_t *ppos)
1066 {
1067         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1068         struct iwl_mvm *mvm = mvmvif->mvm;
1069         u32 value;
1070         int ret = 0;
1071         char *data;
1072
1073         mutex_lock(&mvm->mutex);
1074
1075         data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf);
1076         if (data) {
1077                 ret = kstrtou32(data, 10, &value);
1078                 if (ret == 0)
1079                         mvm->tof_data.range_req_ext.tsf_timer_offset_msec =
1080                                                         cpu_to_le16(value);
1081                 goto out;
1082         }
1083
1084         data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
1085         if (data) {
1086                 ret = kstrtou32(data, 10, &value);
1087                 if (ret == 0)
1088                         mvm->tof_data.range_req_ext.min_delta_ftm = value;
1089                 goto out;
1090         }
1091
1092         data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf);
1093         if (data) {
1094                 ret = kstrtou32(data, 10, &value);
1095                 if (ret == 0)
1096                         mvm->tof_data.range_req_ext.ftm_format_and_bw20M =
1097                                                                         value;
1098                 goto out;
1099         }
1100
1101         data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf);
1102         if (data) {
1103                 ret = kstrtou32(data, 10, &value);
1104                 if (ret == 0)
1105                         mvm->tof_data.range_req_ext.ftm_format_and_bw40M =
1106                                                                         value;
1107                 goto out;
1108         }
1109
1110         data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf);
1111         if (data) {
1112                 ret = kstrtou32(data, 10, &value);
1113                 if (ret == 0)
1114                         mvm->tof_data.range_req_ext.ftm_format_and_bw80M =
1115                                                                         value;
1116                 goto out;
1117         }
1118
1119         data = iwl_dbgfs_is_match("send_range_req_ext=", buf);
1120         if (data) {
1121                 ret = kstrtou32(data, 10, &value);
1122                 if (ret == 0 && value)
1123                         ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif);
1124                 goto out;
1125         }
1126
1127         ret = -EINVAL;
1128 out:
1129         mutex_unlock(&mvm->mutex);
1130         return ret ?: count;
1131 }
1132
1133 static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file,
1134                                                 char __user *user_buf,
1135                                                 size_t count, loff_t *ppos)
1136 {
1137         struct ieee80211_vif *vif = file->private_data;
1138         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1139         struct iwl_mvm *mvm = mvmvif->mvm;
1140         char buf[256];
1141         int pos = 0;
1142         const size_t bufsz = sizeof(buf);
1143         struct iwl_tof_range_req_ext_cmd *cmd;
1144
1145         cmd = &mvm->tof_data.range_req_ext;
1146
1147         mutex_lock(&mvm->mutex);
1148
1149         pos += scnprintf(buf + pos, bufsz - pos,
1150                          "tsf_timer_offset_msec = %hd\n",
1151                          cmd->tsf_timer_offset_msec);
1152         pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhd\n",
1153                          cmd->min_delta_ftm);
1154         pos += scnprintf(buf + pos, bufsz - pos,
1155                          "ftm_format_and_bw20M = %hhd\n",
1156                          cmd->ftm_format_and_bw20M);
1157         pos += scnprintf(buf + pos, bufsz - pos,
1158                          "ftm_format_and_bw40M = %hhd\n",
1159                          cmd->ftm_format_and_bw40M);
1160         pos += scnprintf(buf + pos, bufsz - pos,
1161                          "ftm_format_and_bw80M = %hhd\n",
1162                          cmd->ftm_format_and_bw80M);
1163
1164         mutex_unlock(&mvm->mutex);
1165         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1166 }
1167
1168 static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif,
1169                                                char *buf,
1170                                                size_t count, loff_t *ppos)
1171 {
1172         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1173         struct iwl_mvm *mvm = mvmvif->mvm;
1174         u32 value;
1175         int abort_id, ret = 0;
1176         char *data;
1177
1178         mutex_lock(&mvm->mutex);
1179
1180         data = iwl_dbgfs_is_match("abort_id=", buf);
1181         if (data) {
1182                 ret = kstrtou32(data, 10, &value);
1183                 if (ret == 0)
1184                         mvm->tof_data.last_abort_id = value;
1185                 goto out;
1186         }
1187
1188         data = iwl_dbgfs_is_match("send_range_abort=", buf);
1189         if (data) {
1190                 ret = kstrtou32(data, 10, &value);
1191                 if (ret == 0 && value) {
1192                         abort_id = mvm->tof_data.last_abort_id;
1193                         ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id);
1194                         goto out;
1195                 }
1196         }
1197
1198 out:
1199         mutex_unlock(&mvm->mutex);
1200         return ret ?: count;
1201 }
1202
1203 static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file,
1204                                               char __user *user_buf,
1205                                               size_t count, loff_t *ppos)
1206 {
1207         struct ieee80211_vif *vif = file->private_data;
1208         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1209         struct iwl_mvm *mvm = mvmvif->mvm;
1210         char buf[32];
1211         int pos = 0;
1212         const size_t bufsz = sizeof(buf);
1213         int last_abort_id;
1214
1215         mutex_lock(&mvm->mutex);
1216         last_abort_id = mvm->tof_data.last_abort_id;
1217         mutex_unlock(&mvm->mutex);
1218
1219         pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n",
1220                          last_abort_id);
1221         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1222 }
1223
1224 static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file,
1225                                                  char __user *user_buf,
1226                                                  size_t count, loff_t *ppos)
1227 {
1228         struct ieee80211_vif *vif = file->private_data;
1229         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1230         struct iwl_mvm *mvm = mvmvif->mvm;
1231         char *buf;
1232         int pos = 0;
1233         const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256;
1234         struct iwl_tof_range_rsp_ntfy *cmd;
1235         int i, ret;
1236
1237         buf = kzalloc(bufsz, GFP_KERNEL);
1238         if (!buf)
1239                 return -ENOMEM;
1240
1241         mutex_lock(&mvm->mutex);
1242         cmd = &mvm->tof_data.range_resp;
1243
1244         pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n",
1245                          cmd->request_id);
1246         pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n",
1247                          cmd->request_status);
1248         pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n",
1249                          cmd->last_in_batch);
1250         pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n",
1251                          cmd->num_of_aps);
1252         for (i = 0; i < cmd->num_of_aps; i++) {
1253                 struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i];
1254
1255                 pos += scnprintf(buf + pos, bufsz - pos,
1256                                 "ap %.2d: bssid=%pM status=%hhd bw=%hhd"
1257                                 " rtt=%d rtt_var=%d rtt_spread=%d"
1258                                 " rssi=%hhd  rssi_spread=%hhd"
1259                                 " range=%d range_var=%d"
1260                                 " time_stamp=%d\n",
1261                                 i, ap->bssid, ap->measure_status,
1262                                 ap->measure_bw,
1263                                 ap->rtt, ap->rtt_variance, ap->rtt_spread,
1264                                 ap->rssi, ap->rssi_spread, ap->range,
1265                                 ap->range_variance, ap->timestamp);
1266         }
1267         mutex_unlock(&mvm->mutex);
1268
1269         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1270         kfree(buf);
1271         return ret;
1272 }
1273
1274 static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
1275                                            size_t count, loff_t *ppos)
1276 {
1277         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1278         struct iwl_mvm *mvm = mvmvif->mvm;
1279         bool prev;
1280         u8 value;
1281         int ret;
1282
1283         ret = kstrtou8(buf, 0, &value);
1284         if (ret)
1285                 return ret;
1286         if (value > 1)
1287                 return -EINVAL;
1288
1289         mutex_lock(&mvm->mutex);
1290         prev = iwl_mvm_vif_low_latency(mvmvif);
1291         mvmvif->low_latency_dbgfs = value;
1292         iwl_mvm_update_low_latency(mvm, vif, prev);
1293         mutex_unlock(&mvm->mutex);
1294
1295         return count;
1296 }
1297
1298 static ssize_t iwl_dbgfs_low_latency_read(struct file *file,
1299                                           char __user *user_buf,
1300                                           size_t count, loff_t *ppos)
1301 {
1302         struct ieee80211_vif *vif = file->private_data;
1303         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1304         char buf[30] = {};
1305         int len;
1306
1307         len = snprintf(buf, sizeof(buf) - 1,
1308                        "traffic=%d\ndbgfs=%d\nvcmd=%d\n",
1309                        mvmvif->low_latency_traffic,
1310                        mvmvif->low_latency_dbgfs,
1311                        mvmvif->low_latency_vcmd);
1312         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1313 }
1314
1315 static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file,
1316                                                 char __user *user_buf,
1317                                                 size_t count, loff_t *ppos)
1318 {
1319         struct ieee80211_vif *vif = file->private_data;
1320         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1321         char buf[20];
1322         int len;
1323
1324         len = sprintf(buf, "%pM\n", mvmvif->uapsd_misbehaving_bssid);
1325         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1326 }
1327
1328 static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif,
1329                                                  char *buf, size_t count,
1330                                                  loff_t *ppos)
1331 {
1332         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1333         struct iwl_mvm *mvm = mvmvif->mvm;
1334         bool ret;
1335
1336         mutex_lock(&mvm->mutex);
1337         ret = mac_pton(buf, mvmvif->uapsd_misbehaving_bssid);
1338         mutex_unlock(&mvm->mutex);
1339
1340         return ret ? count : -EINVAL;
1341 }
1342
1343 static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf,
1344                                           size_t count, loff_t *ppos)
1345 {
1346         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1347         struct iwl_mvm *mvm = mvmvif->mvm;
1348         struct ieee80211_chanctx_conf *chanctx_conf;
1349         struct iwl_mvm_phy_ctxt *phy_ctxt;
1350         u16 value;
1351         int ret;
1352
1353         ret = kstrtou16(buf, 0, &value);
1354         if (ret)
1355                 return ret;
1356
1357         mutex_lock(&mvm->mutex);
1358         rcu_read_lock();
1359
1360         chanctx_conf = rcu_dereference(vif->chanctx_conf);
1361         /* make sure the channel context is assigned */
1362         if (!chanctx_conf) {
1363                 rcu_read_unlock();
1364                 mutex_unlock(&mvm->mutex);
1365                 return -EINVAL;
1366         }
1367
1368         phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv];
1369         rcu_read_unlock();
1370
1371         mvm->dbgfs_rx_phyinfo = value;
1372
1373         ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def,
1374                                        chanctx_conf->rx_chains_static,
1375                                        chanctx_conf->rx_chains_dynamic);
1376         mutex_unlock(&mvm->mutex);
1377
1378         return ret ?: count;
1379 }
1380
1381 static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file,
1382                                          char __user *user_buf,
1383                                          size_t count, loff_t *ppos)
1384 {
1385         struct ieee80211_vif *vif = file->private_data;
1386         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1387         char buf[8];
1388
1389         snprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo);
1390
1391         return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
1392 }
1393
1394 static void iwl_dbgfs_quota_check(void *data, u8 *mac,
1395                                   struct ieee80211_vif *vif)
1396 {
1397         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1398         int *ret = data;
1399
1400         if (mvmvif->dbgfs_quota_min)
1401                 *ret = -EINVAL;
1402 }
1403
1404 static ssize_t iwl_dbgfs_quota_min_write(struct ieee80211_vif *vif, char *buf,
1405                                          size_t count, loff_t *ppos)
1406 {
1407         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1408         struct iwl_mvm *mvm = mvmvif->mvm;
1409         u16 value;
1410         int ret;
1411
1412         ret = kstrtou16(buf, 0, &value);
1413         if (ret)
1414                 return ret;
1415
1416         if (value > 95)
1417                 return -EINVAL;
1418
1419         mutex_lock(&mvm->mutex);
1420
1421         mvmvif->dbgfs_quota_min = 0;
1422         ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1423                                      iwl_dbgfs_quota_check, &ret);
1424         if (ret == 0) {
1425                 mvmvif->dbgfs_quota_min = value;
1426                 iwl_mvm_update_quotas(mvm, false, NULL);
1427         }
1428         mutex_unlock(&mvm->mutex);
1429
1430         return ret ?: count;
1431 }
1432
1433 static ssize_t iwl_dbgfs_quota_min_read(struct file *file,
1434                                         char __user *user_buf,
1435                                         size_t count, loff_t *ppos)
1436 {
1437         struct ieee80211_vif *vif = file->private_data;
1438         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1439         char buf[10];
1440         int len;
1441
1442         len = snprintf(buf, sizeof(buf), "%d\n", mvmvif->dbgfs_quota_min);
1443
1444         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1445 }
1446
1447 static const char * const chanwidths[] = {
1448         [NL80211_CHAN_WIDTH_20_NOHT] = "noht",
1449         [NL80211_CHAN_WIDTH_20] = "ht20",
1450         [NL80211_CHAN_WIDTH_40] = "ht40",
1451         [NL80211_CHAN_WIDTH_80] = "vht80",
1452         [NL80211_CHAN_WIDTH_80P80] = "vht80p80",
1453         [NL80211_CHAN_WIDTH_160] = "vht160",
1454 };
1455
1456 static bool iwl_mvm_lqm_notif_wait(struct iwl_notif_wait_data *notif_wait,
1457                                    struct iwl_rx_packet *pkt, void *data)
1458 {
1459         struct ieee80211_vif *vif = data;
1460         struct iwl_mvm *mvm =
1461                 container_of(notif_wait, struct iwl_mvm, notif_wait);
1462         struct iwl_link_qual_msrmnt_notif *report = (void *)pkt->data;
1463         u32 num_of_stations = le32_to_cpu(report->number_of_stations);
1464         int i;
1465
1466         IWL_INFO(mvm, "LQM report:\n");
1467         IWL_INFO(mvm, "\tstatus: %d\n", report->status);
1468         IWL_INFO(mvm, "\tmacID: %d\n", le32_to_cpu(report->mac_id));
1469         IWL_INFO(mvm, "\ttx_frame_dropped: %d\n",
1470                  le32_to_cpu(report->tx_frame_dropped));
1471         IWL_INFO(mvm, "\ttime_in_measurement_window: %d us\n",
1472                  le32_to_cpu(report->time_in_measurement_window));
1473         IWL_INFO(mvm, "\ttotal_air_time_other_stations: %d\n",
1474                  le32_to_cpu(report->total_air_time_other_stations));
1475         IWL_INFO(mvm, "\tchannel_freq: %d\n",
1476                  vif->bss_conf.chandef.center_freq1);
1477         IWL_INFO(mvm, "\tchannel_width: %s\n",
1478                  chanwidths[vif->bss_conf.chandef.width]);
1479         IWL_INFO(mvm, "\tnumber_of_stations: %d\n", num_of_stations);
1480         for (i = 0; i < num_of_stations; i++)
1481                 IWL_INFO(mvm, "\t\tsta[%d]: %d\n", i,
1482                          report->frequent_stations_air_time[i]);
1483
1484         return true;
1485 }
1486
1487 static ssize_t iwl_dbgfs_lqm_send_cmd_write(struct ieee80211_vif *vif,
1488                                             char *buf, size_t count,
1489                                             loff_t *ppos)
1490 {
1491         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1492         struct iwl_mvm *mvm = mvmvif->mvm;
1493         struct iwl_notification_wait wait_lqm_notif;
1494         static u16 lqm_notif[] = {
1495                 WIDE_ID(MAC_CONF_GROUP,
1496                         LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF)
1497         };
1498         int err;
1499         u32 duration;
1500         u32 timeout;
1501
1502         if (sscanf(buf, "%d,%d", &duration, &timeout) != 2)
1503                 return -EINVAL;
1504
1505         iwl_init_notification_wait(&mvm->notif_wait, &wait_lqm_notif,
1506                                    lqm_notif, ARRAY_SIZE(lqm_notif),
1507                                    iwl_mvm_lqm_notif_wait, vif);
1508         mutex_lock(&mvm->mutex);
1509         err = iwl_mvm_send_lqm_cmd(vif, LQM_CMD_OPERATION_START_MEASUREMENT,
1510                                    duration, timeout);
1511         mutex_unlock(&mvm->mutex);
1512
1513         if (err) {
1514                 IWL_ERR(mvm, "Failed to send lqm cmdf(err=%d)\n", err);
1515                 iwl_remove_notification(&mvm->notif_wait, &wait_lqm_notif);
1516                 return err;
1517         }
1518
1519         /* wait for 2 * timeout (safety guard) and convert to jiffies*/
1520         timeout = msecs_to_jiffies((timeout * 2) / 1000);
1521
1522         err = iwl_wait_notification(&mvm->notif_wait, &wait_lqm_notif,
1523                                     timeout);
1524         if (err)
1525                 IWL_ERR(mvm, "Getting lqm notif timed out\n");
1526
1527         return count;
1528 }
1529
1530 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1531         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1532 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1533         _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
1534 #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do {               \
1535                 if (!debugfs_create_file(#name, mode, parent, vif,      \
1536                                          &iwl_dbgfs_##name##_ops))      \
1537                         goto err;                                       \
1538         } while (0)
1539
1540 MVM_DEBUGFS_READ_FILE_OPS(mac_params);
1541 MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt);
1542 MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);
1543 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
1544 MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
1545 MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
1546 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
1547 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32);
1548 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512);
1549 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32);
1550 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32);
1551 MVM_DEBUGFS_READ_FILE_OPS(tof_range_response);
1552 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32);
1553 MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32);
1554 MVM_DEBUGFS_WRITE_FILE_OPS(lqm_send_cmd, 64);
1555 MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff);
1556
1557
1558 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1559 {
1560         struct dentry *dbgfs_dir = vif->debugfs_dir;
1561         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1562         char buf[100];
1563
1564         /*
1565          * Check if debugfs directory already exist before creating it.
1566          * This may happen when, for example, resetting hw or suspend-resume
1567          */
1568         if (!dbgfs_dir || mvmvif->dbgfs_dir)
1569                 return;
1570
1571         mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
1572
1573         if (!mvmvif->dbgfs_dir) {
1574                 IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n",
1575                         dbgfs_dir);
1576                 return;
1577         }
1578
1579         if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
1580             ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) ||
1581              (vif->type == NL80211_IFTYPE_STATION && vif->p2p)))
1582                 MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
1583                                          S_IRUSR);
1584
1585         MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR);
1586         MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR);
1587         MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir,
1588                                  S_IRUSR | S_IWUSR);
1589         MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir,
1590                                  S_IRUSR | S_IWUSR);
1591         MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir,
1592                                  S_IRUSR | S_IWUSR);
1593         MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir,
1594                                  S_IRUSR | S_IWUSR);
1595         MVM_DEBUGFS_ADD_FILE_VIF(lqm_send_cmd, mvmvif->dbgfs_dir, S_IWUSR);
1596         MVM_DEBUGFS_ADD_FILE_VIF(os_device_timediff,
1597                                  mvmvif->dbgfs_dir, S_IRUSR);
1598
1599         if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1600             mvmvif == mvm->bf_allowed_vif)
1601                 MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
1602                                          S_IRUSR | S_IWUSR);
1603
1604         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) &&
1605             !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) {
1606                 if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP)
1607                         MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params,
1608                                                  mvmvif->dbgfs_dir,
1609                                                  S_IRUSR | S_IWUSR);
1610
1611                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir,
1612                                          S_IRUSR | S_IWUSR);
1613                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir,
1614                                          S_IRUSR | S_IWUSR);
1615                 MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir,
1616                                          S_IRUSR | S_IWUSR);
1617                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir,
1618                                          S_IRUSR | S_IWUSR);
1619                 MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir,
1620                                          S_IRUSR);
1621         }
1622
1623         /*
1624          * Create symlink for convenience pointing to interface specific
1625          * debugfs entries for the driver. For example, under
1626          * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
1627          * find
1628          * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
1629          */
1630         snprintf(buf, 100, "../../../%pd3/%pd",
1631                  dbgfs_dir,
1632                  mvmvif->dbgfs_dir);
1633
1634         mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
1635                                                      mvm->debugfs_dir, buf);
1636         if (!mvmvif->dbgfs_slink)
1637                 IWL_ERR(mvm, "Can't create debugfs symbolic link under %pd\n",
1638                         dbgfs_dir);
1639         return;
1640 err:
1641         IWL_ERR(mvm, "Can't create debugfs entity\n");
1642 }
1643
1644 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1645 {
1646         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1647
1648         debugfs_remove(mvmvif->dbgfs_slink);
1649         mvmvif->dbgfs_slink = NULL;
1650
1651         debugfs_remove_recursive(mvmvif->dbgfs_dir);
1652         mvmvif->dbgfs_dir = NULL;
1653 }