drivers/net/wireless/iwlwifi/mvm/debugfs.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 - 2014 Intel Mobile Communications GmbH
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of version 2 of the GNU General Public License as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  23  * USA
  24  *
  25  * The full GNU General Public License is included in this distribution
  26  * in the file called COPYING.
  27  *
  28  * Contact Information:
  29  *  Intel Linux Wireless <ilw@linux.intel.com>
  30  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  31  *
  32  * BSD LICENSE
  33  *
  34  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  35  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  36  * All rights reserved.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  *
  42  *  * Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  *  * Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in
  46  *    the documentation and/or other materials provided with the
  47  *    distribution.
  48  *  * Neither the name Intel Corporation nor the names of its
  49  *    contributors may be used to endorse or promote products derived
  50  *    from this software without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  57  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  58  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  59  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  60  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  61  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  63  *
  64  *****************************************************************************/
  65 #include <linux/vmalloc.h>
  66
  67 #include "mvm.h"
  68 #include "sta.h"
  69 #include "iwl-io.h"
  70 #include "debugfs.h"
  71 #include "iwl-fw-error-dump.h"
  72
  73 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
  74                                         size_t count, loff_t *ppos)
  75 {
  76         int ret;
  77         u32 scd_q_msk;
  78
  79         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
  80                 return -EIO;
  81
  82         if (sscanf(buf, "%x", &scd_q_msk) != 1)
  83                 return -EINVAL;
  84
  85         IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
  86
  87         mutex_lock(&mvm->mutex);
  88         ret =  iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count;
  89         mutex_unlock(&mvm->mutex);
  90
  91         return ret;
  92 }
  93
  94 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
  95                                          size_t count, loff_t *ppos)
  96 {
  97         struct iwl_mvm_sta *mvmsta;
  98         int sta_id, drain, ret;
  99
 100         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
 101                 return -EIO;
 102
 103         if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
 104                 return -EINVAL;
 105         if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
 106                 return -EINVAL;
 107         if (drain < 0 || drain > 1)
 108                 return -EINVAL;
 109
 110         mutex_lock(&mvm->mutex);
 111
 112         mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
 113
 114         if (!mvmsta)
 115                 ret = -ENOENT;
 116         else
 117                 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
 118
 119         mutex_unlock(&mvm->mutex);
 120
 121         return ret;
 122 }
 123
 124 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
 125                                    size_t count, loff_t *ppos)
 126 {
 127         struct iwl_mvm *mvm = file->private_data;
 128         const struct fw_img *img;
 129         unsigned int ofs, len;
 130         size_t ret;
 131         u8 *ptr;
 132
 133         if (!mvm->ucode_loaded)
 134                 return -EINVAL;
 135
 136         /* default is to dump the entire data segment */
 137         img = &mvm->fw->img[mvm->cur_ucode];
 138         ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
 139         len = img->sec[IWL_UCODE_SECTION_DATA].len;
 140
 141         if (mvm->dbgfs_sram_len) {
 142                 ofs = mvm->dbgfs_sram_offset;
 143                 len = mvm->dbgfs_sram_len;
 144         }
 145
 146         ptr = kzalloc(len, GFP_KERNEL);
 147         if (!ptr)
 148                 return -ENOMEM;
 149
 150         iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
 151
 152         ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
 153
 154         kfree(ptr);
 155
 156         return ret;
 157 }
 158
 159 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
 160                                     size_t count, loff_t *ppos)
 161 {
 162         const struct fw_img *img;
 163         u32 offset, len;
 164         u32 img_offset, img_len;
 165
 166         if (!mvm->ucode_loaded)
 167                 return -EINVAL;
 168
 169         img = &mvm->fw->img[mvm->cur_ucode];
 170         img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
 171         img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 172
 173         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 174                 if ((offset & 0x3) || (len & 0x3))
 175                         return -EINVAL;
 176
 177                 if (offset + len > img_offset + img_len)
 178                         return -EINVAL;
 179
 180                 mvm->dbgfs_sram_offset = offset;
 181                 mvm->dbgfs_sram_len = len;
 182         } else {
 183                 mvm->dbgfs_sram_offset = 0;
 184                 mvm->dbgfs_sram_len = 0;
 185         }
 186
 187         return count;
 188 }
 189
 190 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
 191                                                   char __user *user_buf,
 192                                                   size_t count, loff_t *ppos)
 193 {
 194         struct iwl_mvm *mvm = file->private_data;
 195         char buf[16];
 196         int pos;
 197
 198         if (!mvm->temperature_test)
 199                 pos = scnprintf(buf , sizeof(buf), "disabled\n");
 200         else
 201                 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
 202
 203         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 204 }
 205
 206 /*
 207  * Set NIC Temperature
 208  * Cause the driver to ignore the actual NIC temperature reported by the FW
 209  * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
 210  * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
 211  * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
 212  */
 213 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 214                                                    char *buf, size_t count,
 215                                                    loff_t *ppos)
 216 {
 217         int temperature;
 218
 219         if (!mvm->ucode_loaded && !mvm->temperature_test)
 220                 return -EIO;
 221
 222         if (kstrtoint(buf, 10, &temperature))
 223                 return -EINVAL;
 224         /* not a legal temperature */
 225         if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
 226              temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
 227             temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
 228                 return -EINVAL;
 229
 230         mutex_lock(&mvm->mutex);
 231         if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
 232                 if (!mvm->temperature_test)
 233                         goto out;
 234
 235                 mvm->temperature_test = false;
 236                 /* Since we can't read the temp while awake, just set
 237                  * it to zero until we get the next RX stats from the
 238                  * firmware.
 239                  */
 240                 mvm->temperature = 0;
 241         } else {
 242                 mvm->temperature_test = true;
 243                 mvm->temperature = temperature;
 244         }
 245         IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
 246                        mvm->temperature_test ? "En" : "Dis" ,
 247                        mvm->temperature);
 248         /* handle the temperature change */
 249         iwl_mvm_tt_handler(mvm);
 250
 251 out:
 252         mutex_unlock(&mvm->mutex);
 253
 254         return count;
 255 }
 256
 257 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
 258                                        char __user *user_buf,
 259                                        size_t count, loff_t *ppos)
 260 {
 261         struct iwl_mvm *mvm = file->private_data;
 262         char buf[16];
 263         int pos, temp;
 264
 265         if (!mvm->ucode_loaded)
 266                 return -EIO;
 267
 268         mutex_lock(&mvm->mutex);
 269         temp = iwl_mvm_get_temp(mvm);
 270         mutex_unlock(&mvm->mutex);
 271
 272         if (temp < 0)
 273                 return temp;
 274
 275         pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
 276
 277         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 278 }
 279
 280 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 281                                        size_t count, loff_t *ppos)
 282 {
 283         struct iwl_mvm *mvm = file->private_data;
 284         struct ieee80211_sta *sta;
 285         char buf[400];
 286         int i, pos = 0, bufsz = sizeof(buf);
 287
 288         mutex_lock(&mvm->mutex);
 289
 290         for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
 291                 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
 292                 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
 293                                                 lockdep_is_held(&mvm->mutex));
 294                 if (!sta)
 295                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
 296                 else if (IS_ERR(sta))
 297                         pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
 298                                          PTR_ERR(sta));
 299                 else
 300                         pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
 301                                          sta->addr);
 302         }
 303
 304         mutex_unlock(&mvm->mutex);
 305
 306         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 307 }
 308
 309 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
 310                                                 char __user *user_buf,
 311                                                 size_t count, loff_t *ppos)
 312 {
 313         struct iwl_mvm *mvm = file->private_data;
 314         char buf[64];
 315         int bufsz = sizeof(buf);
 316         int pos = 0;
 317
 318         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
 319                          mvm->disable_power_off);
 320         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
 321                          mvm->disable_power_off_d3);
 322
 323         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 324 }
 325
 326 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
 327                                                  size_t count, loff_t *ppos)
 328 {
 329         int ret, val;
 330
 331         if (!mvm->ucode_loaded)
 332                 return -EIO;
 333
 334         if (!strncmp("disable_power_off_d0=", buf, 21)) {
 335                 if (sscanf(buf + 21, "%d", &val) != 1)
 336                         return -EINVAL;
 337                 mvm->disable_power_off = val;
 338         } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
 339                 if (sscanf(buf + 21, "%d", &val) != 1)
 340                         return -EINVAL;
 341                 mvm->disable_power_off_d3 = val;
 342         } else {
 343                 return -EINVAL;
 344         }
 345
 346         mutex_lock(&mvm->mutex);
 347         ret = iwl_mvm_power_update_device(mvm);
 348         mutex_unlock(&mvm->mutex);
 349
 350         return ret ?: count;
 351 }
 352
 353 #define BT_MBOX_MSG(_notif, _num, _field)                                    \
 354         ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
 355         >> BT_MBOX##_num##_##_field##_POS)
 356
 357
 358 #define BT_MBOX_PRINT(_num, _field, _end)                                   \
 359                         pos += scnprintf(buf + pos, bufsz - pos,            \
 360                                          "\t%s: %d%s",                      \
 361                                          #_field,                           \
 362                                          BT_MBOX_MSG(notif, _num, _field),  \
 363                                          true ? "\n" : ", ");
 364
 365 static
 366 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
 367                            int pos, int bufsz)
 368 {
 369         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
 370
 371         BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
 372         BT_MBOX_PRINT(0, LE_PROF1, false);
 373         BT_MBOX_PRINT(0, LE_PROF2, false);
 374         BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
 375         BT_MBOX_PRINT(0, CHL_SEQ_N, false);
 376         BT_MBOX_PRINT(0, INBAND_S, false);
 377         BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
 378         BT_MBOX_PRINT(0, LE_SCAN, false);
 379         BT_MBOX_PRINT(0, LE_ADV, false);
 380         BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
 381         BT_MBOX_PRINT(0, OPEN_CON_1, true);
 382
 383         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
 384
 385         BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
 386         BT_MBOX_PRINT(1, IP_SR, false);
 387         BT_MBOX_PRINT(1, LE_MSTR, false);
 388         BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
 389         BT_MBOX_PRINT(1, MSG_TYPE, false);
 390         BT_MBOX_PRINT(1, SSN, true);
 391
 392         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
 393
 394         BT_MBOX_PRINT(2, SNIFF_ACT, false);
 395         BT_MBOX_PRINT(2, PAG, false);
 396         BT_MBOX_PRINT(2, INQUIRY, false);
 397         BT_MBOX_PRINT(2, CONN, false);
 398         BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
 399         BT_MBOX_PRINT(2, DISC, false);
 400         BT_MBOX_PRINT(2, SCO_TX_ACT, false);
 401         BT_MBOX_PRINT(2, SCO_RX_ACT, false);
 402         BT_MBOX_PRINT(2, ESCO_RE_TX, false);
 403         BT_MBOX_PRINT(2, SCO_DURATION, true);
 404
 405         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
 406
 407         BT_MBOX_PRINT(3, SCO_STATE, false);
 408         BT_MBOX_PRINT(3, SNIFF_STATE, false);
 409         BT_MBOX_PRINT(3, A2DP_STATE, false);
 410         BT_MBOX_PRINT(3, ACL_STATE, false);
 411         BT_MBOX_PRINT(3, MSTR_STATE, false);
 412         BT_MBOX_PRINT(3, OBX_STATE, false);
 413         BT_MBOX_PRINT(3, OPEN_CON_2, false);
 414         BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
 415         BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
 416         BT_MBOX_PRINT(3, INBAND_P, false);
 417         BT_MBOX_PRINT(3, MSG_TYPE_2, false);
 418         BT_MBOX_PRINT(3, SSN_2, false);
 419         BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
 420
 421         return pos;
 422 }
 423
 424 static
 425 int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif,
 426                                char *buf, int pos, int bufsz)
 427 {
 428         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
 429
 430         BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
 431         BT_MBOX_PRINT(0, LE_PROF1, false);
 432         BT_MBOX_PRINT(0, LE_PROF2, false);
 433         BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
 434         BT_MBOX_PRINT(0, CHL_SEQ_N, false);
 435         BT_MBOX_PRINT(0, INBAND_S, false);
 436         BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
 437         BT_MBOX_PRINT(0, LE_SCAN, false);
 438         BT_MBOX_PRINT(0, LE_ADV, false);
 439         BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
 440         BT_MBOX_PRINT(0, OPEN_CON_1, true);
 441
 442         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
 443
 444         BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
 445         BT_MBOX_PRINT(1, IP_SR, false);
 446         BT_MBOX_PRINT(1, LE_MSTR, false);
 447         BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
 448         BT_MBOX_PRINT(1, MSG_TYPE, false);
 449         BT_MBOX_PRINT(1, SSN, true);
 450
 451         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
 452
 453         BT_MBOX_PRINT(2, SNIFF_ACT, false);
 454         BT_MBOX_PRINT(2, PAG, false);
 455         BT_MBOX_PRINT(2, INQUIRY, false);
 456         BT_MBOX_PRINT(2, CONN, false);
 457         BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
 458         BT_MBOX_PRINT(2, DISC, false);
 459         BT_MBOX_PRINT(2, SCO_TX_ACT, false);
 460         BT_MBOX_PRINT(2, SCO_RX_ACT, false);
 461         BT_MBOX_PRINT(2, ESCO_RE_TX, false);
 462         BT_MBOX_PRINT(2, SCO_DURATION, true);
 463
 464         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
 465
 466         BT_MBOX_PRINT(3, SCO_STATE, false);
 467         BT_MBOX_PRINT(3, SNIFF_STATE, false);
 468         BT_MBOX_PRINT(3, A2DP_STATE, false);
 469         BT_MBOX_PRINT(3, ACL_STATE, false);
 470         BT_MBOX_PRINT(3, MSTR_STATE, false);
 471         BT_MBOX_PRINT(3, OBX_STATE, false);
 472         BT_MBOX_PRINT(3, OPEN_CON_2, false);
 473         BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
 474         BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
 475         BT_MBOX_PRINT(3, INBAND_P, false);
 476         BT_MBOX_PRINT(3, MSG_TYPE_2, false);
 477         BT_MBOX_PRINT(3, SSN_2, false);
 478         BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
 479
 480         return pos;
 481 }
 482
 483 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
 484                                        size_t count, loff_t *ppos)
 485 {
 486         struct iwl_mvm *mvm = file->private_data;
 487         char *buf;
 488         int ret, pos = 0, bufsz = sizeof(char) * 1024;
 489
 490         buf = kmalloc(bufsz, GFP_KERNEL);
 491         if (!buf)
 492                 return -ENOMEM;
 493
 494         mutex_lock(&mvm->mutex);
 495
 496         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
 497                 struct iwl_bt_coex_profile_notif_old *notif =
 498                         &mvm->last_bt_notif_old;
 499
 500                 pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz);
 501
 502                 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
 503                                  notif->bt_ci_compliance);
 504                 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
 505                                  le32_to_cpu(notif->primary_ch_lut));
 506                 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
 507                                  le32_to_cpu(notif->secondary_ch_lut));
 508                 pos += scnprintf(buf+pos,
 509                                  bufsz-pos, "bt_activity_grading = %d\n",
 510                                  le32_to_cpu(notif->bt_activity_grading));
 511                 pos += scnprintf(buf+pos, bufsz-pos,
 512                                  "antenna isolation = %d CORUN LUT index = %d\n",
 513                                  mvm->last_ant_isol, mvm->last_corun_lut);
 514         } else {
 515                 struct iwl_bt_coex_profile_notif *notif =
 516                         &mvm->last_bt_notif;
 517
 518                 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
 519
 520                 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
 521                                  notif->bt_ci_compliance);
 522                 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
 523                                  le32_to_cpu(notif->primary_ch_lut));
 524                 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
 525                                  le32_to_cpu(notif->secondary_ch_lut));
 526                 pos += scnprintf(buf+pos,
 527                                  bufsz-pos, "bt_activity_grading = %d\n",
 528                                  le32_to_cpu(notif->bt_activity_grading));
 529                 pos += scnprintf(buf+pos, bufsz-pos,
 530                                  "antenna isolation = %d CORUN LUT index = %d\n",
 531                                  mvm->last_ant_isol, mvm->last_corun_lut);
 532         }
 533
 534         mutex_unlock(&mvm->mutex);
 535
 536         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 537         kfree(buf);
 538
 539         return ret;
 540 }
 541 #undef BT_MBOX_PRINT
 542
 543 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
 544                                      size_t count, loff_t *ppos)
 545 {
 546         struct iwl_mvm *mvm = file->private_data;
 547         char buf[256];
 548         int bufsz = sizeof(buf);
 549         int pos = 0;
 550
 551         mutex_lock(&mvm->mutex);
 552
 553         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
 554                 struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old;
 555
 556                 pos += scnprintf(buf+pos, bufsz-pos,
 557                                  "Channel inhibition CMD\n");
 558                 pos += scnprintf(buf+pos, bufsz-pos,
 559                                "\tPrimary Channel Bitmap 0x%016llx\n",
 560                                le64_to_cpu(cmd->bt_primary_ci));
 561                 pos += scnprintf(buf+pos, bufsz-pos,
 562                                "\tSecondary Channel Bitmap 0x%016llx\n",
 563                                le64_to_cpu(cmd->bt_secondary_ci));
 564
 565                 pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
 566                 pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n",
 567                                  iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[0]]);
 568                 pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n",
 569                                  iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[0]]);
 570
 571         } else {
 572                 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
 573
 574                 pos += scnprintf(buf+pos, bufsz-pos,
 575                                  "Channel inhibition CMD\n");
 576                 pos += scnprintf(buf+pos, bufsz-pos,
 577                                "\tPrimary Channel Bitmap 0x%016llx\n",
 578                                le64_to_cpu(cmd->bt_primary_ci));
 579                 pos += scnprintf(buf+pos, bufsz-pos,
 580                                "\tSecondary Channel Bitmap 0x%016llx\n",
 581                                le64_to_cpu(cmd->bt_secondary_ci));
 582
 583                 pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
 584                 pos += scnprintf(buf+pos, bufsz-pos,
 585                                  "\tPrimary: ACK Kill Mask 0x%08x\n",
 586                                  iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[0]]);
 587                 pos += scnprintf(buf+pos, bufsz-pos,
 588                                  "\tPrimary: CTS Kill Mask 0x%08x\n",
 589                                  iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[0]]);
 590                 pos += scnprintf(buf+pos, bufsz-pos,
 591                                  "\tSecondary: ACK Kill Mask 0x%08x\n",
 592                                  iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[1]]);
 593                 pos += scnprintf(buf+pos, bufsz-pos,
 594                                  "\tSecondary: CTS Kill Mask 0x%08x\n",
 595                                  iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[1]]);
 596
 597         }
 598
 599         mutex_unlock(&mvm->mutex);
 600
 601         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 602 }
 603
 604 static ssize_t
 605 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
 606                            size_t count, loff_t *ppos)
 607 {
 608         u32 bt_tx_prio;
 609
 610         if (sscanf(buf, "%u", &bt_tx_prio) != 1)
 611                 return -EINVAL;
 612         if (bt_tx_prio > 4)
 613                 return -EINVAL;
 614
 615         mvm->bt_tx_prio = bt_tx_prio;
 616
 617         return count;
 618 }
 619
 620 static ssize_t
 621 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
 622                              size_t count, loff_t *ppos)
 623 {
 624         static const char * const modes_str[BT_FORCE_ANT_MAX] = {
 625                 [BT_FORCE_ANT_DIS] = "dis",
 626                 [BT_FORCE_ANT_AUTO] = "auto",
 627                 [BT_FORCE_ANT_BT] = "bt",
 628                 [BT_FORCE_ANT_WIFI] = "wifi",
 629         };
 630         int ret, bt_force_ant_mode;
 631
 632         for (bt_force_ant_mode = 0;
 633              bt_force_ant_mode < ARRAY_SIZE(modes_str);
 634              bt_force_ant_mode++) {
 635                 if (!strcmp(buf, modes_str[bt_force_ant_mode]))
 636                         break;
 637         }
 638
 639         if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
 640                 return -EINVAL;
 641
 642         ret = 0;
 643         mutex_lock(&mvm->mutex);
 644         if (mvm->bt_force_ant_mode == bt_force_ant_mode)
 645                 goto out;
 646
 647         mvm->bt_force_ant_mode = bt_force_ant_mode;
 648         IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
 649                        modes_str[mvm->bt_force_ant_mode]);
 650         ret = iwl_send_bt_init_conf(mvm);
 651
 652 out:
 653         mutex_unlock(&mvm->mutex);
 654         return ret ?: count;
 655 }
 656
 657 #define PRINT_STATS_LE32(_str, _val)                                    \
 658                          pos += scnprintf(buf + pos, bufsz - pos,       \
 659                                           fmt_table, _str,              \
 660                                           le32_to_cpu(_val))
 661
 662 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 663                                           char __user *user_buf, size_t count,
 664                                           loff_t *ppos)
 665 {
 666         struct iwl_mvm *mvm = file->private_data;
 667         static const char *fmt_table = "\t%-30s %10u\n";
 668         static const char *fmt_header = "%-32s\n";
 669         int pos = 0;
 670         char *buf;
 671         int ret;
 672         /* 43 is the size of each data line, 33 is the size of each header */
 673         size_t bufsz =
 674                 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
 675                 (4 * 33) + 1;
 676
 677         struct mvm_statistics_rx_phy *ofdm;
 678         struct mvm_statistics_rx_phy *cck;
 679         struct mvm_statistics_rx_non_phy *general;
 680         struct mvm_statistics_rx_ht_phy *ht;
 681
 682         buf = kzalloc(bufsz, GFP_KERNEL);
 683         if (!buf)
 684                 return -ENOMEM;
 685
 686         mutex_lock(&mvm->mutex);
 687
 688         ofdm = &mvm->rx_stats.ofdm;
 689         cck = &mvm->rx_stats.cck;
 690         general = &mvm->rx_stats.general;
 691         ht = &mvm->rx_stats.ofdm_ht;
 692
 693         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 694                          "Statistics_Rx - OFDM");
 695         PRINT_STATS_LE32("ina_cnt", ofdm->ina_cnt);
 696         PRINT_STATS_LE32("fina_cnt", ofdm->fina_cnt);
 697         PRINT_STATS_LE32("plcp_err", ofdm->plcp_err);
 698         PRINT_STATS_LE32("crc32_err", ofdm->crc32_err);
 699         PRINT_STATS_LE32("overrun_err", ofdm->overrun_err);
 700         PRINT_STATS_LE32("early_overrun_err", ofdm->early_overrun_err);
 701         PRINT_STATS_LE32("crc32_good", ofdm->crc32_good);
 702         PRINT_STATS_LE32("false_alarm_cnt", ofdm->false_alarm_cnt);
 703         PRINT_STATS_LE32("fina_sync_err_cnt", ofdm->fina_sync_err_cnt);
 704         PRINT_STATS_LE32("sfd_timeout", ofdm->sfd_timeout);
 705         PRINT_STATS_LE32("fina_timeout", ofdm->fina_timeout);
 706         PRINT_STATS_LE32("unresponded_rts", ofdm->unresponded_rts);
 707         PRINT_STATS_LE32("rxe_frame_lmt_overrun",
 708                          ofdm->rxe_frame_limit_overrun);
 709         PRINT_STATS_LE32("sent_ack_cnt", ofdm->sent_ack_cnt);
 710         PRINT_STATS_LE32("sent_cts_cnt", ofdm->sent_cts_cnt);
 711         PRINT_STATS_LE32("sent_ba_rsp_cnt", ofdm->sent_ba_rsp_cnt);
 712         PRINT_STATS_LE32("dsp_self_kill", ofdm->dsp_self_kill);
 713         PRINT_STATS_LE32("mh_format_err", ofdm->mh_format_err);
 714         PRINT_STATS_LE32("re_acq_main_rssi_sum", ofdm->re_acq_main_rssi_sum);
 715         PRINT_STATS_LE32("reserved", ofdm->reserved);
 716
 717         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 718                          "Statistics_Rx - CCK");
 719         PRINT_STATS_LE32("ina_cnt", cck->ina_cnt);
 720         PRINT_STATS_LE32("fina_cnt", cck->fina_cnt);
 721         PRINT_STATS_LE32("plcp_err", cck->plcp_err);
 722         PRINT_STATS_LE32("crc32_err", cck->crc32_err);
 723         PRINT_STATS_LE32("overrun_err", cck->overrun_err);
 724         PRINT_STATS_LE32("early_overrun_err", cck->early_overrun_err);
 725         PRINT_STATS_LE32("crc32_good", cck->crc32_good);
 726         PRINT_STATS_LE32("false_alarm_cnt", cck->false_alarm_cnt);
 727         PRINT_STATS_LE32("fina_sync_err_cnt", cck->fina_sync_err_cnt);
 728         PRINT_STATS_LE32("sfd_timeout", cck->sfd_timeout);
 729         PRINT_STATS_LE32("fina_timeout", cck->fina_timeout);
 730         PRINT_STATS_LE32("unresponded_rts", cck->unresponded_rts);
 731         PRINT_STATS_LE32("rxe_frame_lmt_overrun",
 732                          cck->rxe_frame_limit_overrun);
 733         PRINT_STATS_LE32("sent_ack_cnt", cck->sent_ack_cnt);
 734         PRINT_STATS_LE32("sent_cts_cnt", cck->sent_cts_cnt);
 735         PRINT_STATS_LE32("sent_ba_rsp_cnt", cck->sent_ba_rsp_cnt);
 736         PRINT_STATS_LE32("dsp_self_kill", cck->dsp_self_kill);
 737         PRINT_STATS_LE32("mh_format_err", cck->mh_format_err);
 738         PRINT_STATS_LE32("re_acq_main_rssi_sum", cck->re_acq_main_rssi_sum);
 739         PRINT_STATS_LE32("reserved", cck->reserved);
 740
 741         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 742                          "Statistics_Rx - GENERAL");
 743         PRINT_STATS_LE32("bogus_cts", general->bogus_cts);
 744         PRINT_STATS_LE32("bogus_ack", general->bogus_ack);
 745         PRINT_STATS_LE32("non_bssid_frames", general->non_bssid_frames);
 746         PRINT_STATS_LE32("filtered_frames", general->filtered_frames);
 747         PRINT_STATS_LE32("non_channel_beacons", general->non_channel_beacons);
 748         PRINT_STATS_LE32("channel_beacons", general->channel_beacons);
 749         PRINT_STATS_LE32("num_missed_bcon", general->num_missed_bcon);
 750         PRINT_STATS_LE32("adc_rx_saturation_time",
 751                          general->adc_rx_saturation_time);
 752         PRINT_STATS_LE32("ina_detection_search_time",
 753                          general->ina_detection_search_time);
 754         PRINT_STATS_LE32("beacon_silence_rssi_a",
 755                          general->beacon_silence_rssi_a);
 756         PRINT_STATS_LE32("beacon_silence_rssi_b",
 757                          general->beacon_silence_rssi_b);
 758         PRINT_STATS_LE32("beacon_silence_rssi_c",
 759                          general->beacon_silence_rssi_c);
 760         PRINT_STATS_LE32("interference_data_flag",
 761                          general->interference_data_flag);
 762         PRINT_STATS_LE32("channel_load", general->channel_load);
 763         PRINT_STATS_LE32("dsp_false_alarms", general->dsp_false_alarms);
 764         PRINT_STATS_LE32("beacon_rssi_a", general->beacon_rssi_a);
 765         PRINT_STATS_LE32("beacon_rssi_b", general->beacon_rssi_b);
 766         PRINT_STATS_LE32("beacon_rssi_c", general->beacon_rssi_c);
 767         PRINT_STATS_LE32("beacon_energy_a", general->beacon_energy_a);
 768         PRINT_STATS_LE32("beacon_energy_b", general->beacon_energy_b);
 769         PRINT_STATS_LE32("beacon_energy_c", general->beacon_energy_c);
 770         PRINT_STATS_LE32("num_bt_kills", general->num_bt_kills);
 771         PRINT_STATS_LE32("mac_id", general->mac_id);
 772         PRINT_STATS_LE32("directed_data_mpdu", general->directed_data_mpdu);
 773
 774         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 775                          "Statistics_Rx - HT");
 776         PRINT_STATS_LE32("plcp_err", ht->plcp_err);
 777         PRINT_STATS_LE32("overrun_err", ht->overrun_err);
 778         PRINT_STATS_LE32("early_overrun_err", ht->early_overrun_err);
 779         PRINT_STATS_LE32("crc32_good", ht->crc32_good);
 780         PRINT_STATS_LE32("crc32_err", ht->crc32_err);
 781         PRINT_STATS_LE32("mh_format_err", ht->mh_format_err);
 782         PRINT_STATS_LE32("agg_crc32_good", ht->agg_crc32_good);
 783         PRINT_STATS_LE32("agg_mpdu_cnt", ht->agg_mpdu_cnt);
 784         PRINT_STATS_LE32("agg_cnt", ht->agg_cnt);
 785         PRINT_STATS_LE32("unsupport_mcs", ht->unsupport_mcs);
 786
 787         mutex_unlock(&mvm->mutex);
 788
 789         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 790         kfree(buf);
 791
 792         return ret;
 793 }
 794 #undef PRINT_STAT_LE32
 795
 796 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
 797                                           char __user *user_buf, size_t count,
 798                                           loff_t *ppos,
 799                                           struct iwl_mvm_frame_stats *stats)
 800 {
 801         char *buff, *pos, *endpos;
 802         int idx, i;
 803         int ret;
 804         static const size_t bufsz = 1024;
 805
 806         buff = kmalloc(bufsz, GFP_KERNEL);
 807         if (!buff)
 808                 return -ENOMEM;
 809
 810         spin_lock_bh(&mvm->drv_stats_lock);
 811
 812         pos = buff;
 813         endpos = pos + bufsz;
 814
 815         pos += scnprintf(pos, endpos - pos,
 816                          "Legacy/HT/VHT\t:\t%d/%d/%d\n",
 817                          stats->legacy_frames,
 818                          stats->ht_frames,
 819                          stats->vht_frames);
 820         pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
 821                          stats->bw_20_frames,
 822                          stats->bw_40_frames,
 823                          stats->bw_80_frames);
 824         pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
 825                          stats->ngi_frames,
 826                          stats->sgi_frames);
 827         pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
 828                          stats->siso_frames,
 829                          stats->mimo2_frames);
 830         pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
 831                          stats->fail_frames,
 832                          stats->success_frames);
 833         pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
 834                          stats->agg_frames);
 835         pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
 836                          stats->ampdu_count);
 837         pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
 838                          stats->ampdu_count > 0 ?
 839                          (stats->agg_frames / stats->ampdu_count) : 0);
 840
 841         pos += scnprintf(pos, endpos - pos, "Last Rates\n");
 842
 843         idx = stats->last_frame_idx - 1;
 844         for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
 845                 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
 846                 if (stats->last_rates[idx] == 0)
 847                         continue;
 848                 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
 849                                  (int)(ARRAY_SIZE(stats->last_rates) - i));
 850                 pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
 851         }
 852         spin_unlock_bh(&mvm->drv_stats_lock);
 853
 854         ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
 855         kfree(buff);
 856
 857         return ret;
 858 }
 859
 860 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
 861                                            char __user *user_buf, size_t count,
 862                                            loff_t *ppos)
 863 {
 864         struct iwl_mvm *mvm = file->private_data;
 865
 866         return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
 867                                           &mvm->drv_rx_stats);
 868 }
 869
 870 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
 871                                           size_t count, loff_t *ppos)
 872 {
 873         int ret;
 874
 875         mutex_lock(&mvm->mutex);
 876
 877         /* allow one more restart that we're provoking here */
 878         if (mvm->restart_fw >= 0)
 879                 mvm->restart_fw++;
 880
 881         /* take the return value to make compiler happy - it will fail anyway */
 882         ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
 883
 884         mutex_unlock(&mvm->mutex);
 885
 886         return count;
 887 }
 888
 889 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
 890                                       size_t count, loff_t *ppos)
 891 {
 892         int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
 893         if (ret)
 894                 return ret;
 895
 896         iwl_force_nmi(mvm->trans);
 897
 898         iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
 899
 900         return count;
 901 }
 902
 903 static ssize_t
 904 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
 905                                 char __user *user_buf,
 906                                 size_t count, loff_t *ppos)
 907 {
 908         struct iwl_mvm *mvm = file->private_data;
 909         int pos = 0;
 910         char buf[32];
 911         const size_t bufsz = sizeof(buf);
 912
 913         /* print which antennas were set for the scan command by the user */
 914         pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
 915         if (mvm->scan_rx_ant & ANT_A)
 916                 pos += scnprintf(buf + pos, bufsz - pos, "A");
 917         if (mvm->scan_rx_ant & ANT_B)
 918                 pos += scnprintf(buf + pos, bufsz - pos, "B");
 919         if (mvm->scan_rx_ant & ANT_C)
 920                 pos += scnprintf(buf + pos, bufsz - pos, "C");
 921         pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
 922
 923         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 924 }
 925
 926 static ssize_t
 927 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
 928                                  size_t count, loff_t *ppos)
 929 {
 930         u8 scan_rx_ant;
 931
 932         if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
 933                 return -EINVAL;
 934         if (scan_rx_ant > ANT_ABC)
 935                 return -EINVAL;
 936         if (scan_rx_ant & ~mvm->fw->valid_rx_ant)
 937                 return -EINVAL;
 938
 939         if (mvm->scan_rx_ant != scan_rx_ant) {
 940                 mvm->scan_rx_ant = scan_rx_ant;
 941                 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
 942                         iwl_mvm_config_scan(mvm);
 943         }
 944
 945         return count;
 946 }
 947
 948 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
 949 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 950 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
 951                                             char __user *user_buf,
 952                                             size_t count, loff_t *ppos)
 953 {
 954         struct iwl_mvm *mvm = file->private_data;
 955         struct iwl_bcast_filter_cmd cmd;
 956         const struct iwl_fw_bcast_filter *filter;
 957         char *buf;
 958         int bufsz = 1024;
 959         int i, j, pos = 0;
 960         ssize_t ret;
 961
 962         buf = kzalloc(bufsz, GFP_KERNEL);
 963         if (!buf)
 964                 return -ENOMEM;
 965
 966         mutex_lock(&mvm->mutex);
 967         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
 968                 ADD_TEXT("None\n");
 969                 mutex_unlock(&mvm->mutex);
 970                 goto out;
 971         }
 972         mutex_unlock(&mvm->mutex);
 973
 974         for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
 975                 filter = &cmd.filters[i];
 976
 977                 ADD_TEXT("Filter [%d]:\n", i);
 978                 ADD_TEXT("\tDiscard=%d\n", filter->discard);
 979                 ADD_TEXT("\tFrame Type: %s\n",
 980                          filter->frame_type ? "IPv4" : "Generic");
 981
 982                 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
 983                         const struct iwl_fw_bcast_filter_attr *attr;
 984
 985                         attr = &filter->attrs[j];
 986                         if (!attr->mask)
 987                                 break;
 988
 989                         ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
 990                                  j, attr->offset,
 991                                  attr->offset_type ? "IP End" :
 992                                                      "Payload Start",
 993                                  be32_to_cpu(attr->mask),
 994                                  be32_to_cpu(attr->val),
 995                                  le16_to_cpu(attr->reserved1));
 996                 }
 997         }
 998 out:
 999         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1000         kfree(buf);
1001         return ret;
1002 }
1003
1004 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1005                                              size_t count, loff_t *ppos)
1006 {
1007         int pos, next_pos;
1008         struct iwl_fw_bcast_filter filter = {};
1009         struct iwl_bcast_filter_cmd cmd;
1010         u32 filter_id, attr_id, mask, value;
1011         int err = 0;
1012
1013         if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1014                    &filter.frame_type, &pos) != 3)
1015                 return -EINVAL;
1016
1017         if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1018             filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1019                 return -EINVAL;
1020
1021         for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1022              attr_id++) {
1023                 struct iwl_fw_bcast_filter_attr *attr =
1024                                 &filter.attrs[attr_id];
1025
1026                 if (pos >= count)
1027                         break;
1028
1029                 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1030                            &attr->offset, &attr->offset_type,
1031                            &mask, &value, &next_pos) != 4)
1032                         return -EINVAL;
1033
1034                 attr->mask = cpu_to_be32(mask);
1035                 attr->val = cpu_to_be32(value);
1036                 if (mask)
1037                         filter.num_attrs++;
1038
1039                 pos += next_pos;
1040         }
1041
1042         mutex_lock(&mvm->mutex);
1043         memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1044                &filter, sizeof(filter));
1045
1046         /* send updated bcast filtering configuration */
1047         if (mvm->dbgfs_bcast_filtering.override &&
1048             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1049                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1050                                            sizeof(cmd), &cmd);
1051         mutex_unlock(&mvm->mutex);
1052
1053         return err ?: count;
1054 }
1055
1056 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1057                                                  char __user *user_buf,
1058                                                  size_t count, loff_t *ppos)
1059 {
1060         struct iwl_mvm *mvm = file->private_data;
1061         struct iwl_bcast_filter_cmd cmd;
1062         char *buf;
1063         int bufsz = 1024;
1064         int i, pos = 0;
1065         ssize_t ret;
1066
1067         buf = kzalloc(bufsz, GFP_KERNEL);
1068         if (!buf)
1069                 return -ENOMEM;
1070
1071         mutex_lock(&mvm->mutex);
1072         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1073                 ADD_TEXT("None\n");
1074                 mutex_unlock(&mvm->mutex);
1075                 goto out;
1076         }
1077         mutex_unlock(&mvm->mutex);
1078
1079         for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1080                 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1081
1082                 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1083                          i, mac->default_discard, mac->attached_filters);
1084         }
1085 out:
1086         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1087         kfree(buf);
1088         return ret;
1089 }
1090
1091 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1092                                                   char *buf, size_t count,
1093                                                   loff_t *ppos)
1094 {
1095         struct iwl_bcast_filter_cmd cmd;
1096         struct iwl_fw_bcast_mac mac = {};
1097         u32 mac_id, attached_filters;
1098         int err = 0;
1099
1100         if (!mvm->bcast_filters)
1101                 return -ENOENT;
1102
1103         if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1104                    &attached_filters) != 3)
1105                 return -EINVAL;
1106
1107         if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1108             mac.default_discard > 1 ||
1109             attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1110                 return -EINVAL;
1111
1112         mac.attached_filters = cpu_to_le16(attached_filters);
1113
1114         mutex_lock(&mvm->mutex);
1115         memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1116                &mac, sizeof(mac));
1117
1118         /* send updated bcast filtering configuration */
1119         if (mvm->dbgfs_bcast_filtering.override &&
1120             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1121                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1122                                            sizeof(cmd), &cmd);
1123         mutex_unlock(&mvm->mutex);
1124
1125         return err ?: count;
1126 }
1127 #endif
1128
1129 #ifdef CONFIG_PM_SLEEP
1130 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
1131                                        size_t count, loff_t *ppos)
1132 {
1133         int store;
1134
1135         if (sscanf(buf, "%d", &store) != 1)
1136                 return -EINVAL;
1137
1138         mvm->store_d3_resume_sram = store;
1139
1140         return count;
1141 }
1142
1143 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1144                                       size_t count, loff_t *ppos)
1145 {
1146         struct iwl_mvm *mvm = file->private_data;
1147         const struct fw_img *img;
1148         int ofs, len, pos = 0;
1149         size_t bufsz, ret;
1150         char *buf;
1151         u8 *ptr = mvm->d3_resume_sram;
1152
1153         img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1154         len = img->sec[IWL_UCODE_SECTION_DATA].len;
1155
1156         bufsz = len * 4 + 256;
1157         buf = kzalloc(bufsz, GFP_KERNEL);
1158         if (!buf)
1159                 return -ENOMEM;
1160
1161         pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1162                          mvm->store_d3_resume_sram ? "en" : "dis");
1163
1164         if (ptr) {
1165                 for (ofs = 0; ofs < len; ofs += 16) {
1166                         pos += scnprintf(buf + pos, bufsz - pos,
1167                                          "0x%.4x ", ofs);
1168                         hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
1169                                            bufsz - pos, false);
1170                         pos += strlen(buf + pos);
1171                         if (bufsz - pos > 0)
1172                                 buf[pos++] = '\n';
1173                 }
1174         } else {
1175                 pos += scnprintf(buf + pos, bufsz - pos,
1176                                  "(no data captured)\n");
1177         }
1178
1179         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1180
1181         kfree(buf);
1182
1183         return ret;
1184 }
1185
1186 #define MAX_NUM_ND_MATCHSETS 10
1187
1188 static ssize_t iwl_dbgfs_netdetect_write(struct iwl_mvm *mvm, char *buf,
1189                                          size_t count, loff_t *ppos)
1190 {
1191         const char *seps = ",\n";
1192         char *buf_ptr = buf;
1193         char *value_str = NULL;
1194         int ret, i;
1195
1196         /* TODO: don't free if write is being called several times in one go */
1197         if (mvm->nd_config) {
1198                 kfree(mvm->nd_config->match_sets);
1199                 kfree(mvm->nd_config);
1200                 mvm->nd_config = NULL;
1201         }
1202
1203         mvm->nd_config = kzalloc(sizeof(*mvm->nd_config) +
1204                                  (11 * sizeof(struct ieee80211_channel *)),
1205                                  GFP_KERNEL);
1206         if (!mvm->nd_config) {
1207                 ret = -ENOMEM;
1208                 goto out_free;
1209         }
1210
1211         mvm->nd_config->n_channels = 11;
1212         mvm->nd_config->scan_width = NL80211_BSS_CHAN_WIDTH_20;
1213         mvm->nd_config->interval = 5;
1214         mvm->nd_config->min_rssi_thold = -80;
1215         for (i = 0; i < mvm->nd_config->n_channels; i++)
1216                 mvm->nd_config->channels[i] = &mvm->nvm_data->channels[i];
1217
1218         mvm->nd_config->match_sets =
1219                 kcalloc(MAX_NUM_ND_MATCHSETS,
1220                         sizeof(*mvm->nd_config->match_sets),
1221                         GFP_KERNEL);
1222         if (!mvm->nd_config->match_sets) {
1223                 ret = -ENOMEM;
1224                 goto out_free;
1225         }
1226
1227         while ((value_str = strsep(&buf_ptr, seps)) &&
1228                strlen(value_str)) {
1229                 struct cfg80211_match_set *set;
1230
1231                 if (mvm->nd_config->n_match_sets >= MAX_NUM_ND_MATCHSETS) {
1232                         ret = -EINVAL;
1233                         goto out_free;
1234                 }
1235
1236                 set = &mvm->nd_config->match_sets[mvm->nd_config->n_match_sets];
1237                 set->ssid.ssid_len = strlen(value_str);
1238
1239                 if (set->ssid.ssid_len > IEEE80211_MAX_SSID_LEN) {
1240                         ret = -EINVAL;
1241                         goto out_free;
1242                 }
1243
1244                 memcpy(set->ssid.ssid, value_str, set->ssid.ssid_len);
1245
1246                 mvm->nd_config->n_match_sets++;
1247         }
1248
1249         ret = count;
1250
1251         if (mvm->nd_config->n_match_sets)
1252                 goto out;
1253
1254 out_free:
1255         if (mvm->nd_config)
1256                 kfree(mvm->nd_config->match_sets);
1257         kfree(mvm->nd_config);
1258         mvm->nd_config = NULL;
1259 out:
1260         return ret;
1261 }
1262
1263 static ssize_t
1264 iwl_dbgfs_netdetect_read(struct file *file, char __user *user_buf,
1265                          size_t count, loff_t *ppos)
1266 {
1267         struct iwl_mvm *mvm = file->private_data;
1268         size_t bufsz, ret;
1269         char *buf;
1270         int i, n_match_sets, pos = 0;
1271
1272         n_match_sets = mvm->nd_config ? mvm->nd_config->n_match_sets : 0;
1273
1274         bufsz = n_match_sets * (IEEE80211_MAX_SSID_LEN + 1) + 1;
1275         buf = kzalloc(bufsz, GFP_KERNEL);
1276         if (!buf)
1277                 return -ENOMEM;
1278
1279         for (i = 0; i < n_match_sets; i++) {
1280                 if (pos +
1281                     mvm->nd_config->match_sets[i].ssid.ssid_len + 2 > bufsz) {
1282                         ret = -EIO;
1283                         goto out;
1284                 }
1285
1286                 memcpy(buf + pos, mvm->nd_config->match_sets[i].ssid.ssid,
1287                        mvm->nd_config->match_sets[i].ssid.ssid_len);
1288                 pos += mvm->nd_config->match_sets[i].ssid.ssid_len;
1289                 buf[pos++] = '\n';
1290         }
1291
1292         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1293 out:
1294         kfree(buf);
1295         return ret;
1296 }
1297 #endif
1298
1299 #define PRINT_MVM_REF(ref) do {                                         \
1300         if (mvm->refs[ref])                                             \
1301                 pos += scnprintf(buf + pos, bufsz - pos,                \
1302                                  "\t(0x%lx): %d %s\n",                  \
1303                                  BIT(ref), mvm->refs[ref], #ref);       \
1304 } while (0)
1305
1306 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
1307                                         char __user *user_buf,
1308                                         size_t count, loff_t *ppos)
1309 {
1310         struct iwl_mvm *mvm = file->private_data;
1311         int i, pos = 0;
1312         char buf[256];
1313         const size_t bufsz = sizeof(buf);
1314         u32 refs = 0;
1315
1316         for (i = 0; i < IWL_MVM_REF_COUNT; i++)
1317                 if (mvm->refs[i])
1318                         refs |= BIT(i);
1319
1320         pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
1321                          refs);
1322
1323         PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
1324         PRINT_MVM_REF(IWL_MVM_REF_SCAN);
1325         PRINT_MVM_REF(IWL_MVM_REF_ROC);
1326         PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
1327         PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
1328         PRINT_MVM_REF(IWL_MVM_REF_USER);
1329         PRINT_MVM_REF(IWL_MVM_REF_TX);
1330         PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
1331         PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
1332         PRINT_MVM_REF(IWL_MVM_REF_START_AP);
1333         PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
1334         PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
1335         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
1336         PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
1337         PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
1338         PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
1339         PRINT_MVM_REF(IWL_MVM_REF_NMI);
1340         PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
1341         PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
1342         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
1343
1344         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1345 }
1346
1347 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
1348                                          size_t count, loff_t *ppos)
1349 {
1350         unsigned long value;
1351         int ret;
1352         bool taken;
1353
1354         ret = kstrtoul(buf, 10, &value);
1355         if (ret < 0)
1356                 return ret;
1357
1358         mutex_lock(&mvm->mutex);
1359
1360         taken = mvm->refs[IWL_MVM_REF_USER];
1361         if (value == 1 && !taken)
1362                 iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
1363         else if (value == 0 && taken)
1364                 iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
1365         else
1366                 ret = -EINVAL;
1367
1368         mutex_unlock(&mvm->mutex);
1369
1370         if (ret < 0)
1371                 return ret;
1372         return count;
1373 }
1374
1375 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1376         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1377 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1378         _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1379 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do {      \
1380                 if (!debugfs_create_file(alias, mode, parent, mvm,      \
1381                                          &iwl_dbgfs_##name##_ops))      \
1382                         goto err;                                       \
1383         } while (0)
1384 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1385         MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1386
1387 static ssize_t
1388 iwl_dbgfs_prph_reg_read(struct file *file,
1389                         char __user *user_buf,
1390                         size_t count, loff_t *ppos)
1391 {
1392         struct iwl_mvm *mvm = file->private_data;
1393         int pos = 0;
1394         char buf[32];
1395         const size_t bufsz = sizeof(buf);
1396         int ret;
1397
1398         if (!mvm->dbgfs_prph_reg_addr)
1399                 return -EINVAL;
1400
1401         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
1402         if (ret)
1403                 return ret;
1404
1405         pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1406                 mvm->dbgfs_prph_reg_addr,
1407                 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1408
1409         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
1410
1411         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1412 }
1413
1414 static ssize_t
1415 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1416                          size_t count, loff_t *ppos)
1417 {
1418         u8 args;
1419         u32 value;
1420         int ret;
1421
1422         args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1423         /* if we only want to set the reg address - nothing more to do */
1424         if (args == 1)
1425                 goto out;
1426
1427         /* otherwise, make sure we have both address and value */
1428         if (args != 2)
1429                 return -EINVAL;
1430
1431         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1432         if (ret)
1433                 return ret;
1434
1435         iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1436
1437         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1438 out:
1439         return count;
1440 }
1441
1442 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1443
1444 /* Device wide debugfs entries */
1445 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1446 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1447 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1448 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1449 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1450 MVM_DEBUGFS_READ_FILE_OPS(stations);
1451 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1452 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1453 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1454 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1455 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1456 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1457 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1458 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1459 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1460 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1461 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
1462
1463 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1464 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1465 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1466 #endif
1467
1468 #ifdef CONFIG_PM_SLEEP
1469 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
1470 MVM_DEBUGFS_READ_WRITE_FILE_OPS(netdetect, 384);
1471 #endif
1472
1473 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1474 {
1475         struct dentry *bcast_dir __maybe_unused;
1476         char buf[100];
1477
1478         spin_lock_init(&mvm->drv_stats_lock);
1479
1480         mvm->debugfs_dir = dbgfs_dir;
1481
1482         MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
1483         MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
1484         MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1485         MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
1486                              S_IWUSR | S_IRUSR);
1487         MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
1488         MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
1489         MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
1490         MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
1491         MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
1492                              S_IRUSR | S_IWUSR);
1493         MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
1494         MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
1495         MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
1496         MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
1497         MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
1498         MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
1499         MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
1500                              S_IWUSR | S_IRUSR);
1501         MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1502         MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1503
1504 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1505         if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
1506                 bcast_dir = debugfs_create_dir("bcast_filtering",
1507                                                mvm->debugfs_dir);
1508                 if (!bcast_dir)
1509                         goto err;
1510
1511                 if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR,
1512                                 bcast_dir,
1513                                 &mvm->dbgfs_bcast_filtering.override))
1514                         goto err;
1515
1516                 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
1517                                            bcast_dir, S_IWUSR | S_IRUSR);
1518                 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
1519                                            bcast_dir, S_IWUSR | S_IRUSR);
1520         }
1521 #endif
1522
1523 #ifdef CONFIG_PM_SLEEP
1524         MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1525         MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
1526         if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
1527                                  mvm->debugfs_dir, &mvm->d3_wake_sysassert))
1528                 goto err;
1529         MVM_DEBUGFS_ADD_FILE(netdetect, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1530 #endif
1531
1532         if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR,
1533                                mvm->debugfs_dir,
1534                                &mvm->low_latency_agg_frame_limit))
1535                 goto err;
1536         if (!debugfs_create_u8("ps_disabled", S_IRUSR,
1537                                mvm->debugfs_dir, &mvm->ps_disabled))
1538                 goto err;
1539         if (!debugfs_create_blob("nvm_hw", S_IRUSR,
1540                                   mvm->debugfs_dir, &mvm->nvm_hw_blob))
1541                 goto err;
1542         if (!debugfs_create_blob("nvm_sw", S_IRUSR,
1543                                   mvm->debugfs_dir, &mvm->nvm_sw_blob))
1544                 goto err;
1545         if (!debugfs_create_blob("nvm_calib", S_IRUSR,
1546                                   mvm->debugfs_dir, &mvm->nvm_calib_blob))
1547                 goto err;
1548         if (!debugfs_create_blob("nvm_prod", S_IRUSR,
1549                                   mvm->debugfs_dir, &mvm->nvm_prod_blob))
1550                 goto err;
1551
1552         /*
1553          * Create a symlink with mac80211. It will be removed when mac80211
1554          * exists (before the opmode exists which removes the target.)
1555          */
1556         snprintf(buf, 100, "../../%s/%s",
1557                  dbgfs_dir->d_parent->d_parent->d_name.name,
1558                  dbgfs_dir->d_parent->d_name.name);
1559         if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
1560                 goto err;
1561
1562         return 0;
1563 err:
1564         IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
1565         return -ENOMEM;
1566 }