kernel/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,
 566                                  "BT Configuration CMD - 0=default, 1=never, 2=always\n");
 567                 pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n",
 568                                  mvm->bt_ack_kill_msk[0]);
 569                 pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n",
 570                                  mvm->bt_cts_kill_msk[0]);
 571
 572         } else {
 573                 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
 574
 575                 pos += scnprintf(buf+pos, bufsz-pos,
 576                                  "Channel inhibition CMD\n");
 577                 pos += scnprintf(buf+pos, bufsz-pos,
 578                                "\tPrimary Channel Bitmap 0x%016llx\n",
 579                                le64_to_cpu(cmd->bt_primary_ci));
 580                 pos += scnprintf(buf+pos, bufsz-pos,
 581                                "\tSecondary Channel Bitmap 0x%016llx\n",
 582                                le64_to_cpu(cmd->bt_secondary_ci));
 583         }
 584
 585         mutex_unlock(&mvm->mutex);
 586
 587         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 588 }
 589
 590 static ssize_t
 591 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
 592                            size_t count, loff_t *ppos)
 593 {
 594         u32 bt_tx_prio;
 595
 596         if (sscanf(buf, "%u", &bt_tx_prio) != 1)
 597                 return -EINVAL;
 598         if (bt_tx_prio > 4)
 599                 return -EINVAL;
 600
 601         mvm->bt_tx_prio = bt_tx_prio;
 602
 603         return count;
 604 }
 605
 606 static ssize_t
 607 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
 608                              size_t count, loff_t *ppos)
 609 {
 610         static const char * const modes_str[BT_FORCE_ANT_MAX] = {
 611                 [BT_FORCE_ANT_DIS] = "dis",
 612                 [BT_FORCE_ANT_AUTO] = "auto",
 613                 [BT_FORCE_ANT_BT] = "bt",
 614                 [BT_FORCE_ANT_WIFI] = "wifi",
 615         };
 616         int ret, bt_force_ant_mode;
 617
 618         for (bt_force_ant_mode = 0;
 619              bt_force_ant_mode < ARRAY_SIZE(modes_str);
 620              bt_force_ant_mode++) {
 621                 if (!strcmp(buf, modes_str[bt_force_ant_mode]))
 622                         break;
 623         }
 624
 625         if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
 626                 return -EINVAL;
 627
 628         ret = 0;
 629         mutex_lock(&mvm->mutex);
 630         if (mvm->bt_force_ant_mode == bt_force_ant_mode)
 631                 goto out;
 632
 633         mvm->bt_force_ant_mode = bt_force_ant_mode;
 634         IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
 635                        modes_str[mvm->bt_force_ant_mode]);
 636         ret = iwl_send_bt_init_conf(mvm);
 637
 638 out:
 639         mutex_unlock(&mvm->mutex);
 640         return ret ?: count;
 641 }
 642
 643 #define PRINT_STATS_LE32(_struct, _memb)                                \
 644                          pos += scnprintf(buf + pos, bufsz - pos,       \
 645                                           fmt_table, #_memb,            \
 646                                           le32_to_cpu(_struct->_memb))
 647
 648 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 649                                           char __user *user_buf, size_t count,
 650                                           loff_t *ppos)
 651 {
 652         struct iwl_mvm *mvm = file->private_data;
 653         static const char *fmt_table = "\t%-30s %10u\n";
 654         static const char *fmt_header = "%-32s\n";
 655         int pos = 0;
 656         char *buf;
 657         int ret;
 658         /* 43 is the size of each data line, 33 is the size of each header */
 659         size_t bufsz =
 660                 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
 661                 (4 * 33) + 1;
 662
 663         struct mvm_statistics_rx_phy *ofdm;
 664         struct mvm_statistics_rx_phy *cck;
 665         struct mvm_statistics_rx_non_phy *general;
 666         struct mvm_statistics_rx_ht_phy *ht;
 667
 668         buf = kzalloc(bufsz, GFP_KERNEL);
 669         if (!buf)
 670                 return -ENOMEM;
 671
 672         mutex_lock(&mvm->mutex);
 673
 674         ofdm = &mvm->rx_stats.ofdm;
 675         cck = &mvm->rx_stats.cck;
 676         general = &mvm->rx_stats.general;
 677         ht = &mvm->rx_stats.ofdm_ht;
 678
 679         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 680                          "Statistics_Rx - OFDM");
 681         PRINT_STATS_LE32(ofdm, ina_cnt);
 682         PRINT_STATS_LE32(ofdm, fina_cnt);
 683         PRINT_STATS_LE32(ofdm, plcp_err);
 684         PRINT_STATS_LE32(ofdm, crc32_err);
 685         PRINT_STATS_LE32(ofdm, overrun_err);
 686         PRINT_STATS_LE32(ofdm, early_overrun_err);
 687         PRINT_STATS_LE32(ofdm, crc32_good);
 688         PRINT_STATS_LE32(ofdm, false_alarm_cnt);
 689         PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
 690         PRINT_STATS_LE32(ofdm, sfd_timeout);
 691         PRINT_STATS_LE32(ofdm, fina_timeout);
 692         PRINT_STATS_LE32(ofdm, unresponded_rts);
 693         PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
 694         PRINT_STATS_LE32(ofdm, sent_ack_cnt);
 695         PRINT_STATS_LE32(ofdm, sent_cts_cnt);
 696         PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
 697         PRINT_STATS_LE32(ofdm, dsp_self_kill);
 698         PRINT_STATS_LE32(ofdm, mh_format_err);
 699         PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
 700         PRINT_STATS_LE32(ofdm, reserved);
 701
 702         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 703                          "Statistics_Rx - CCK");
 704         PRINT_STATS_LE32(cck, ina_cnt);
 705         PRINT_STATS_LE32(cck, fina_cnt);
 706         PRINT_STATS_LE32(cck, plcp_err);
 707         PRINT_STATS_LE32(cck, crc32_err);
 708         PRINT_STATS_LE32(cck, overrun_err);
 709         PRINT_STATS_LE32(cck, early_overrun_err);
 710         PRINT_STATS_LE32(cck, crc32_good);
 711         PRINT_STATS_LE32(cck, false_alarm_cnt);
 712         PRINT_STATS_LE32(cck, fina_sync_err_cnt);
 713         PRINT_STATS_LE32(cck, sfd_timeout);
 714         PRINT_STATS_LE32(cck, fina_timeout);
 715         PRINT_STATS_LE32(cck, unresponded_rts);
 716         PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
 717         PRINT_STATS_LE32(cck, sent_ack_cnt);
 718         PRINT_STATS_LE32(cck, sent_cts_cnt);
 719         PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
 720         PRINT_STATS_LE32(cck, dsp_self_kill);
 721         PRINT_STATS_LE32(cck, mh_format_err);
 722         PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
 723         PRINT_STATS_LE32(cck, reserved);
 724
 725         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 726                          "Statistics_Rx - GENERAL");
 727         PRINT_STATS_LE32(general, bogus_cts);
 728         PRINT_STATS_LE32(general, bogus_ack);
 729         PRINT_STATS_LE32(general, non_bssid_frames);
 730         PRINT_STATS_LE32(general, filtered_frames);
 731         PRINT_STATS_LE32(general, non_channel_beacons);
 732         PRINT_STATS_LE32(general, channel_beacons);
 733         PRINT_STATS_LE32(general, num_missed_bcon);
 734         PRINT_STATS_LE32(general, adc_rx_saturation_time);
 735         PRINT_STATS_LE32(general, ina_detection_search_time);
 736         PRINT_STATS_LE32(general, beacon_silence_rssi_a);
 737         PRINT_STATS_LE32(general, beacon_silence_rssi_b);
 738         PRINT_STATS_LE32(general, beacon_silence_rssi_c);
 739         PRINT_STATS_LE32(general, interference_data_flag);
 740         PRINT_STATS_LE32(general, channel_load);
 741         PRINT_STATS_LE32(general, dsp_false_alarms);
 742         PRINT_STATS_LE32(general, beacon_rssi_a);
 743         PRINT_STATS_LE32(general, beacon_rssi_b);
 744         PRINT_STATS_LE32(general, beacon_rssi_c);
 745         PRINT_STATS_LE32(general, beacon_energy_a);
 746         PRINT_STATS_LE32(general, beacon_energy_b);
 747         PRINT_STATS_LE32(general, beacon_energy_c);
 748         PRINT_STATS_LE32(general, num_bt_kills);
 749         PRINT_STATS_LE32(general, mac_id);
 750         PRINT_STATS_LE32(general, directed_data_mpdu);
 751
 752         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 753                          "Statistics_Rx - HT");
 754         PRINT_STATS_LE32(ht, plcp_err);
 755         PRINT_STATS_LE32(ht, overrun_err);
 756         PRINT_STATS_LE32(ht, early_overrun_err);
 757         PRINT_STATS_LE32(ht, crc32_good);
 758         PRINT_STATS_LE32(ht, crc32_err);
 759         PRINT_STATS_LE32(ht, mh_format_err);
 760         PRINT_STATS_LE32(ht, agg_crc32_good);
 761         PRINT_STATS_LE32(ht, agg_mpdu_cnt);
 762         PRINT_STATS_LE32(ht, agg_cnt);
 763         PRINT_STATS_LE32(ht, unsupport_mcs);
 764
 765         mutex_unlock(&mvm->mutex);
 766
 767         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 768         kfree(buf);
 769
 770         return ret;
 771 }
 772 #undef PRINT_STAT_LE32
 773
 774 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
 775                                           char __user *user_buf, size_t count,
 776                                           loff_t *ppos,
 777                                           struct iwl_mvm_frame_stats *stats)
 778 {
 779         char *buff, *pos, *endpos;
 780         int idx, i;
 781         int ret;
 782         static const size_t bufsz = 1024;
 783
 784         buff = kmalloc(bufsz, GFP_KERNEL);
 785         if (!buff)
 786                 return -ENOMEM;
 787
 788         spin_lock_bh(&mvm->drv_stats_lock);
 789
 790         pos = buff;
 791         endpos = pos + bufsz;
 792
 793         pos += scnprintf(pos, endpos - pos,
 794                          "Legacy/HT/VHT\t:\t%d/%d/%d\n",
 795                          stats->legacy_frames,
 796                          stats->ht_frames,
 797                          stats->vht_frames);
 798         pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
 799                          stats->bw_20_frames,
 800                          stats->bw_40_frames,
 801                          stats->bw_80_frames);
 802         pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
 803                          stats->ngi_frames,
 804                          stats->sgi_frames);
 805         pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
 806                          stats->siso_frames,
 807                          stats->mimo2_frames);
 808         pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
 809                          stats->fail_frames,
 810                          stats->success_frames);
 811         pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
 812                          stats->agg_frames);
 813         pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
 814                          stats->ampdu_count);
 815         pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
 816                          stats->ampdu_count > 0 ?
 817                          (stats->agg_frames / stats->ampdu_count) : 0);
 818
 819         pos += scnprintf(pos, endpos - pos, "Last Rates\n");
 820
 821         idx = stats->last_frame_idx - 1;
 822         for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
 823                 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
 824                 if (stats->last_rates[idx] == 0)
 825                         continue;
 826                 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
 827                                  (int)(ARRAY_SIZE(stats->last_rates) - i));
 828                 pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
 829         }
 830         spin_unlock_bh(&mvm->drv_stats_lock);
 831
 832         ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
 833         kfree(buff);
 834
 835         return ret;
 836 }
 837
 838 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
 839                                            char __user *user_buf, size_t count,
 840                                            loff_t *ppos)
 841 {
 842         struct iwl_mvm *mvm = file->private_data;
 843
 844         return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
 845                                           &mvm->drv_rx_stats);
 846 }
 847
 848 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
 849                                           size_t count, loff_t *ppos)
 850 {
 851         int ret;
 852
 853         mutex_lock(&mvm->mutex);
 854
 855         /* allow one more restart that we're provoking here */
 856         if (mvm->restart_fw >= 0)
 857                 mvm->restart_fw++;
 858
 859         /* take the return value to make compiler happy - it will fail anyway */
 860         ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
 861
 862         mutex_unlock(&mvm->mutex);
 863
 864         return count;
 865 }
 866
 867 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
 868                                       size_t count, loff_t *ppos)
 869 {
 870         int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
 871         if (ret)
 872                 return ret;
 873
 874         iwl_force_nmi(mvm->trans);
 875
 876         iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
 877
 878         return count;
 879 }
 880
 881 static ssize_t
 882 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
 883                                 char __user *user_buf,
 884                                 size_t count, loff_t *ppos)
 885 {
 886         struct iwl_mvm *mvm = file->private_data;
 887         int pos = 0;
 888         char buf[32];
 889         const size_t bufsz = sizeof(buf);
 890
 891         /* print which antennas were set for the scan command by the user */
 892         pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
 893         if (mvm->scan_rx_ant & ANT_A)
 894                 pos += scnprintf(buf + pos, bufsz - pos, "A");
 895         if (mvm->scan_rx_ant & ANT_B)
 896                 pos += scnprintf(buf + pos, bufsz - pos, "B");
 897         if (mvm->scan_rx_ant & ANT_C)
 898                 pos += scnprintf(buf + pos, bufsz - pos, "C");
 899         pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
 900
 901         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 902 }
 903
 904 static ssize_t
 905 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
 906                                  size_t count, loff_t *ppos)
 907 {
 908         u8 scan_rx_ant;
 909
 910         if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
 911                 return -EINVAL;
 912         if (scan_rx_ant > ANT_ABC)
 913                 return -EINVAL;
 914         if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
 915                 return -EINVAL;
 916
 917         if (mvm->scan_rx_ant != scan_rx_ant) {
 918                 mvm->scan_rx_ant = scan_rx_ant;
 919                 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
 920                         iwl_mvm_config_scan(mvm);
 921         }
 922
 923         return count;
 924 }
 925
 926 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
 927                                           char __user *user_buf,
 928                                           size_t count, loff_t *ppos)
 929 {
 930         struct iwl_mvm *mvm = file->private_data;
 931         int conf;
 932         char buf[8];
 933         const size_t bufsz = sizeof(buf);
 934         int pos = 0;
 935
 936         mutex_lock(&mvm->mutex);
 937         conf = mvm->fw_dbg_conf;
 938         mutex_unlock(&mvm->mutex);
 939
 940         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
 941
 942         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 943 }
 944
 945 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
 946                                            char *buf, size_t count,
 947                                            loff_t *ppos)
 948 {
 949         int ret, conf_id;
 950
 951         ret = kstrtoint(buf, 0, &conf_id);
 952         if (ret)
 953                 return ret;
 954
 955         if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
 956                 return -EINVAL;
 957
 958         mutex_lock(&mvm->mutex);
 959         ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id);
 960         mutex_unlock(&mvm->mutex);
 961
 962         return ret ?: count;
 963 }
 964
 965 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
 966                                               char *buf, size_t count,
 967                                               loff_t *ppos)
 968 {
 969         int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
 970
 971         if (ret)
 972                 return ret;
 973
 974         iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, 0);
 975
 976         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
 977
 978         return count;
 979 }
 980
 981 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
 982 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 983 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
 984                                             char __user *user_buf,
 985                                             size_t count, loff_t *ppos)
 986 {
 987         struct iwl_mvm *mvm = file->private_data;
 988         struct iwl_bcast_filter_cmd cmd;
 989         const struct iwl_fw_bcast_filter *filter;
 990         char *buf;
 991         int bufsz = 1024;
 992         int i, j, pos = 0;
 993         ssize_t ret;
 994
 995         buf = kzalloc(bufsz, GFP_KERNEL);
 996         if (!buf)
 997                 return -ENOMEM;
 998
 999         mutex_lock(&mvm->mutex);
1000         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1001                 ADD_TEXT("None\n");
1002                 mutex_unlock(&mvm->mutex);
1003                 goto out;
1004         }
1005         mutex_unlock(&mvm->mutex);
1006
1007         for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1008                 filter = &cmd.filters[i];
1009
1010                 ADD_TEXT("Filter [%d]:\n", i);
1011                 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1012                 ADD_TEXT("\tFrame Type: %s\n",
1013                          filter->frame_type ? "IPv4" : "Generic");
1014
1015                 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1016                         const struct iwl_fw_bcast_filter_attr *attr;
1017
1018                         attr = &filter->attrs[j];
1019                         if (!attr->mask)
1020                                 break;
1021
1022                         ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1023                                  j, attr->offset,
1024                                  attr->offset_type ? "IP End" :
1025                                                      "Payload Start",
1026                                  be32_to_cpu(attr->mask),
1027                                  be32_to_cpu(attr->val),
1028                                  le16_to_cpu(attr->reserved1));
1029                 }
1030         }
1031 out:
1032         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1033         kfree(buf);
1034         return ret;
1035 }
1036
1037 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1038                                              size_t count, loff_t *ppos)
1039 {
1040         int pos, next_pos;
1041         struct iwl_fw_bcast_filter filter = {};
1042         struct iwl_bcast_filter_cmd cmd;
1043         u32 filter_id, attr_id, mask, value;
1044         int err = 0;
1045
1046         if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1047                    &filter.frame_type, &pos) != 3)
1048                 return -EINVAL;
1049
1050         if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1051             filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1052                 return -EINVAL;
1053
1054         for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1055              attr_id++) {
1056                 struct iwl_fw_bcast_filter_attr *attr =
1057                                 &filter.attrs[attr_id];
1058
1059                 if (pos >= count)
1060                         break;
1061
1062                 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1063                            &attr->offset, &attr->offset_type,
1064                            &mask, &value, &next_pos) != 4)
1065                         return -EINVAL;
1066
1067                 attr->mask = cpu_to_be32(mask);
1068                 attr->val = cpu_to_be32(value);
1069                 if (mask)
1070                         filter.num_attrs++;
1071
1072                 pos += next_pos;
1073         }
1074
1075         mutex_lock(&mvm->mutex);
1076         memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1077                &filter, sizeof(filter));
1078
1079         /* send updated bcast filtering configuration */
1080         if (mvm->dbgfs_bcast_filtering.override &&
1081             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1082                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1083                                            sizeof(cmd), &cmd);
1084         mutex_unlock(&mvm->mutex);
1085
1086         return err ?: count;
1087 }
1088
1089 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1090                                                  char __user *user_buf,
1091                                                  size_t count, loff_t *ppos)
1092 {
1093         struct iwl_mvm *mvm = file->private_data;
1094         struct iwl_bcast_filter_cmd cmd;
1095         char *buf;
1096         int bufsz = 1024;
1097         int i, pos = 0;
1098         ssize_t ret;
1099
1100         buf = kzalloc(bufsz, GFP_KERNEL);
1101         if (!buf)
1102                 return -ENOMEM;
1103
1104         mutex_lock(&mvm->mutex);
1105         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1106                 ADD_TEXT("None\n");
1107                 mutex_unlock(&mvm->mutex);
1108                 goto out;
1109         }
1110         mutex_unlock(&mvm->mutex);
1111
1112         for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1113                 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1114
1115                 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1116                          i, mac->default_discard, mac->attached_filters);
1117         }
1118 out:
1119         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1120         kfree(buf);
1121         return ret;
1122 }
1123
1124 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1125                                                   char *buf, size_t count,
1126                                                   loff_t *ppos)
1127 {
1128         struct iwl_bcast_filter_cmd cmd;
1129         struct iwl_fw_bcast_mac mac = {};
1130         u32 mac_id, attached_filters;
1131         int err = 0;
1132
1133         if (!mvm->bcast_filters)
1134                 return -ENOENT;
1135
1136         if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1137                    &attached_filters) != 3)
1138                 return -EINVAL;
1139
1140         if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1141             mac.default_discard > 1 ||
1142             attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1143                 return -EINVAL;
1144
1145         mac.attached_filters = cpu_to_le16(attached_filters);
1146
1147         mutex_lock(&mvm->mutex);
1148         memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1149                &mac, sizeof(mac));
1150
1151         /* send updated bcast filtering configuration */
1152         if (mvm->dbgfs_bcast_filtering.override &&
1153             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1154                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1155                                            sizeof(cmd), &cmd);
1156         mutex_unlock(&mvm->mutex);
1157
1158         return err ?: count;
1159 }
1160 #endif
1161
1162 #ifdef CONFIG_PM_SLEEP
1163 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
1164                                        size_t count, loff_t *ppos)
1165 {
1166         int store;
1167
1168         if (sscanf(buf, "%d", &store) != 1)
1169                 return -EINVAL;
1170
1171         mvm->store_d3_resume_sram = store;
1172
1173         return count;
1174 }
1175
1176 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1177                                       size_t count, loff_t *ppos)
1178 {
1179         struct iwl_mvm *mvm = file->private_data;
1180         const struct fw_img *img;
1181         int ofs, len, pos = 0;
1182         size_t bufsz, ret;
1183         char *buf;
1184         u8 *ptr = mvm->d3_resume_sram;
1185
1186         img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1187         len = img->sec[IWL_UCODE_SECTION_DATA].len;
1188
1189         bufsz = len * 4 + 256;
1190         buf = kzalloc(bufsz, GFP_KERNEL);
1191         if (!buf)
1192                 return -ENOMEM;
1193
1194         pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1195                          mvm->store_d3_resume_sram ? "en" : "dis");
1196
1197         if (ptr) {
1198                 for (ofs = 0; ofs < len; ofs += 16) {
1199                         pos += scnprintf(buf + pos, bufsz - pos,
1200                                          "0x%.4x ", ofs);
1201                         hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
1202                                            bufsz - pos, false);
1203                         pos += strlen(buf + pos);
1204                         if (bufsz - pos > 0)
1205                                 buf[pos++] = '\n';
1206                 }
1207         } else {
1208                 pos += scnprintf(buf + pos, bufsz - pos,
1209                                  "(no data captured)\n");
1210         }
1211
1212         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1213
1214         kfree(buf);
1215
1216         return ret;
1217 }
1218
1219 #define MAX_NUM_ND_MATCHSETS 10
1220
1221 static ssize_t iwl_dbgfs_netdetect_write(struct iwl_mvm *mvm, char *buf,
1222                                          size_t count, loff_t *ppos)
1223 {
1224         const char *seps = ",\n";
1225         char *buf_ptr = buf;
1226         char *value_str = NULL;
1227         int ret, i;
1228
1229         /* TODO: don't free if write is being called several times in one go */
1230         if (mvm->nd_config) {
1231                 kfree(mvm->nd_config->match_sets);
1232                 kfree(mvm->nd_config);
1233                 mvm->nd_config = NULL;
1234         }
1235
1236         mvm->nd_config = kzalloc(sizeof(*mvm->nd_config) +
1237                                  (11 * sizeof(struct ieee80211_channel *)),
1238                                  GFP_KERNEL);
1239         if (!mvm->nd_config) {
1240                 ret = -ENOMEM;
1241                 goto out_free;
1242         }
1243
1244         mvm->nd_config->n_channels = 11;
1245         mvm->nd_config->scan_width = NL80211_BSS_CHAN_WIDTH_20;
1246         mvm->nd_config->interval = 5;
1247         mvm->nd_config->min_rssi_thold = -80;
1248         for (i = 0; i < mvm->nd_config->n_channels; i++)
1249                 mvm->nd_config->channels[i] = &mvm->nvm_data->channels[i];
1250
1251         mvm->nd_config->match_sets =
1252                 kcalloc(MAX_NUM_ND_MATCHSETS,
1253                         sizeof(*mvm->nd_config->match_sets),
1254                         GFP_KERNEL);
1255         if (!mvm->nd_config->match_sets) {
1256                 ret = -ENOMEM;
1257                 goto out_free;
1258         }
1259
1260         while ((value_str = strsep(&buf_ptr, seps)) &&
1261                strlen(value_str)) {
1262                 struct cfg80211_match_set *set;
1263
1264                 if (mvm->nd_config->n_match_sets >= MAX_NUM_ND_MATCHSETS) {
1265                         ret = -EINVAL;
1266                         goto out_free;
1267                 }
1268
1269                 set = &mvm->nd_config->match_sets[mvm->nd_config->n_match_sets];
1270                 set->ssid.ssid_len = strlen(value_str);
1271
1272                 if (set->ssid.ssid_len > IEEE80211_MAX_SSID_LEN) {
1273                         ret = -EINVAL;
1274                         goto out_free;
1275                 }
1276
1277                 memcpy(set->ssid.ssid, value_str, set->ssid.ssid_len);
1278
1279                 mvm->nd_config->n_match_sets++;
1280         }
1281
1282         ret = count;
1283
1284         if (mvm->nd_config->n_match_sets)
1285                 goto out;
1286
1287 out_free:
1288         if (mvm->nd_config)
1289                 kfree(mvm->nd_config->match_sets);
1290         kfree(mvm->nd_config);
1291         mvm->nd_config = NULL;
1292 out:
1293         return ret;
1294 }
1295
1296 static ssize_t
1297 iwl_dbgfs_netdetect_read(struct file *file, char __user *user_buf,
1298                          size_t count, loff_t *ppos)
1299 {
1300         struct iwl_mvm *mvm = file->private_data;
1301         size_t bufsz, ret;
1302         char *buf;
1303         int i, n_match_sets, pos = 0;
1304
1305         n_match_sets = mvm->nd_config ? mvm->nd_config->n_match_sets : 0;
1306
1307         bufsz = n_match_sets * (IEEE80211_MAX_SSID_LEN + 1) + 1;
1308         buf = kzalloc(bufsz, GFP_KERNEL);
1309         if (!buf)
1310                 return -ENOMEM;
1311
1312         for (i = 0; i < n_match_sets; i++) {
1313                 if (pos +
1314                     mvm->nd_config->match_sets[i].ssid.ssid_len + 2 > bufsz) {
1315                         ret = -EIO;
1316                         goto out;
1317                 }
1318
1319                 memcpy(buf + pos, mvm->nd_config->match_sets[i].ssid.ssid,
1320                        mvm->nd_config->match_sets[i].ssid.ssid_len);
1321                 pos += mvm->nd_config->match_sets[i].ssid.ssid_len;
1322                 buf[pos++] = '\n';
1323         }
1324
1325         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1326 out:
1327         kfree(buf);
1328         return ret;
1329 }
1330 #endif
1331
1332 #define PRINT_MVM_REF(ref) do {                                         \
1333         if (mvm->refs[ref])                                             \
1334                 pos += scnprintf(buf + pos, bufsz - pos,                \
1335                                  "\t(0x%lx): %d %s\n",                  \
1336                                  BIT(ref), mvm->refs[ref], #ref);       \
1337 } while (0)
1338
1339 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
1340                                         char __user *user_buf,
1341                                         size_t count, loff_t *ppos)
1342 {
1343         struct iwl_mvm *mvm = file->private_data;
1344         int i, pos = 0;
1345         char buf[256];
1346         const size_t bufsz = sizeof(buf);
1347         u32 refs = 0;
1348
1349         for (i = 0; i < IWL_MVM_REF_COUNT; i++)
1350                 if (mvm->refs[i])
1351                         refs |= BIT(i);
1352
1353         pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
1354                          refs);
1355
1356         PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
1357         PRINT_MVM_REF(IWL_MVM_REF_SCAN);
1358         PRINT_MVM_REF(IWL_MVM_REF_ROC);
1359         PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
1360         PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
1361         PRINT_MVM_REF(IWL_MVM_REF_USER);
1362         PRINT_MVM_REF(IWL_MVM_REF_TX);
1363         PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
1364         PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
1365         PRINT_MVM_REF(IWL_MVM_REF_START_AP);
1366         PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
1367         PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
1368         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
1369         PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
1370         PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
1371         PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
1372         PRINT_MVM_REF(IWL_MVM_REF_NMI);
1373         PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
1374         PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
1375         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
1376         PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
1377
1378         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1379 }
1380
1381 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
1382                                          size_t count, loff_t *ppos)
1383 {
1384         unsigned long value;
1385         int ret;
1386         bool taken;
1387
1388         ret = kstrtoul(buf, 10, &value);
1389         if (ret < 0)
1390                 return ret;
1391
1392         mutex_lock(&mvm->mutex);
1393
1394         taken = mvm->refs[IWL_MVM_REF_USER];
1395         if (value == 1 && !taken)
1396                 iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
1397         else if (value == 0 && taken)
1398                 iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
1399         else
1400                 ret = -EINVAL;
1401
1402         mutex_unlock(&mvm->mutex);
1403
1404         if (ret < 0)
1405                 return ret;
1406         return count;
1407 }
1408
1409 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1410         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1411 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1412         _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1413 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do {      \
1414                 if (!debugfs_create_file(alias, mode, parent, mvm,      \
1415                                          &iwl_dbgfs_##name##_ops))      \
1416                         goto err;                                       \
1417         } while (0)
1418 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1419         MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1420
1421 static ssize_t
1422 iwl_dbgfs_prph_reg_read(struct file *file,
1423                         char __user *user_buf,
1424                         size_t count, loff_t *ppos)
1425 {
1426         struct iwl_mvm *mvm = file->private_data;
1427         int pos = 0;
1428         char buf[32];
1429         const size_t bufsz = sizeof(buf);
1430         int ret;
1431
1432         if (!mvm->dbgfs_prph_reg_addr)
1433                 return -EINVAL;
1434
1435         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
1436         if (ret)
1437                 return ret;
1438
1439         pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1440                 mvm->dbgfs_prph_reg_addr,
1441                 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1442
1443         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
1444
1445         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1446 }
1447
1448 static ssize_t
1449 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1450                          size_t count, loff_t *ppos)
1451 {
1452         u8 args;
1453         u32 value;
1454         int ret;
1455
1456         args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1457         /* if we only want to set the reg address - nothing more to do */
1458         if (args == 1)
1459                 goto out;
1460
1461         /* otherwise, make sure we have both address and value */
1462         if (args != 2)
1463                 return -EINVAL;
1464
1465         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1466         if (ret)
1467                 return ret;
1468
1469         iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1470
1471         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1472 out:
1473         return count;
1474 }
1475
1476 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1477
1478 /* Device wide debugfs entries */
1479 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1480 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1481 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1482 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1483 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1484 MVM_DEBUGFS_READ_FILE_OPS(stations);
1485 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1486 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1487 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1488 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1489 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1490 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1491 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1492 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1493 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1494 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1495 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
1496 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1497 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8);
1498
1499 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1500 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1501 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1502 #endif
1503
1504 #ifdef CONFIG_PM_SLEEP
1505 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
1506 MVM_DEBUGFS_READ_WRITE_FILE_OPS(netdetect, 384);
1507 #endif
1508
1509 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1510 {
1511         struct dentry *bcast_dir __maybe_unused;
1512         char buf[100];
1513
1514         spin_lock_init(&mvm->drv_stats_lock);
1515
1516         mvm->debugfs_dir = dbgfs_dir;
1517
1518         MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
1519         MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
1520         MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1521         MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
1522                              S_IWUSR | S_IRUSR);
1523         MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
1524         MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
1525         MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
1526         MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
1527         MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
1528                              S_IRUSR | S_IWUSR);
1529         MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
1530         MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
1531         MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
1532         MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
1533         MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
1534         MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
1535         MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
1536                              S_IWUSR | S_IRUSR);
1537         MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1538         MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1539         MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1540         MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
1541         if (!debugfs_create_bool("enable_scan_iteration_notif",
1542                                  S_IRUSR | S_IWUSR,
1543                                  mvm->debugfs_dir,
1544                                  &mvm->scan_iter_notif_enabled))
1545                 goto err;
1546
1547 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1548         if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
1549                 bcast_dir = debugfs_create_dir("bcast_filtering",
1550                                                mvm->debugfs_dir);
1551                 if (!bcast_dir)
1552                         goto err;
1553
1554                 if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR,
1555                                 bcast_dir,
1556                                 &mvm->dbgfs_bcast_filtering.override))
1557                         goto err;
1558
1559                 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
1560                                            bcast_dir, S_IWUSR | S_IRUSR);
1561                 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
1562                                            bcast_dir, S_IWUSR | S_IRUSR);
1563         }
1564 #endif
1565
1566 #ifdef CONFIG_PM_SLEEP
1567         MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1568         MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
1569         if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
1570                                  mvm->debugfs_dir, &mvm->d3_wake_sysassert))
1571                 goto err;
1572         if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR,
1573                                 mvm->debugfs_dir, &mvm->last_netdetect_scans))
1574                 goto err;
1575         MVM_DEBUGFS_ADD_FILE(netdetect, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1576 #endif
1577
1578         if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR,
1579                                mvm->debugfs_dir,
1580                                &mvm->low_latency_agg_frame_limit))
1581                 goto err;
1582         if (!debugfs_create_u8("ps_disabled", S_IRUSR,
1583                                mvm->debugfs_dir, &mvm->ps_disabled))
1584                 goto err;
1585         if (!debugfs_create_blob("nvm_hw", S_IRUSR,
1586                                   mvm->debugfs_dir, &mvm->nvm_hw_blob))
1587                 goto err;
1588         if (!debugfs_create_blob("nvm_sw", S_IRUSR,
1589                                   mvm->debugfs_dir, &mvm->nvm_sw_blob))
1590                 goto err;
1591         if (!debugfs_create_blob("nvm_calib", S_IRUSR,
1592                                   mvm->debugfs_dir, &mvm->nvm_calib_blob))
1593                 goto err;
1594         if (!debugfs_create_blob("nvm_prod", S_IRUSR,
1595                                   mvm->debugfs_dir, &mvm->nvm_prod_blob))
1596                 goto err;
1597
1598         /*
1599          * Create a symlink with mac80211. It will be removed when mac80211
1600          * exists (before the opmode exists which removes the target.)
1601          */
1602         snprintf(buf, 100, "../../%s/%s",
1603                  dbgfs_dir->d_parent->d_parent->d_name.name,
1604                  dbgfs_dir->d_parent->d_name.name);
1605         if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
1606                 goto err;
1607
1608         return 0;
1609 err:
1610         IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
1611         return -ENOMEM;
1612 }