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

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
   4  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
   5  * Copyright (C) 2016-2017 Intel Deutschland GmbH
   6  */
   7 #include <linux/vmalloc.h>
   8 #include <linux/err.h>
   9 #include <linux/ieee80211.h>
  10 #include <linux/netdevice.h>
  11 #include <linux/dmi.h>
  12
  13 #include "mvm.h"
  14 #include "sta.h"
  15 #include "iwl-io.h"
  16 #include "debugfs.h"
  17 #include "iwl-modparams.h"
  18 #include "iwl-drv.h"
  19 #include "fw/error-dump.h"
  20 #include "fw/api/phy-ctxt.h"
  21
  22 static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
  23                                           char __user *user_buf,
  24                                           size_t count, loff_t *ppos)
  25 {
  26         struct iwl_mvm *mvm = file->private_data;
  27         char buf[16];
  28         int pos, budget;
  29
  30         if (!iwl_mvm_is_ctdp_supported(mvm))
  31                 return -EOPNOTSUPP;
  32
  33         if (!iwl_mvm_firmware_running(mvm) ||
  34             mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
  35                 return -EIO;
  36
  37         mutex_lock(&mvm->mutex);
  38         budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
  39         mutex_unlock(&mvm->mutex);
  40
  41         if (budget < 0)
  42                 return budget;
  43
  44         pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
  45
  46         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
  47 }
  48
  49 static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
  50                                          size_t count, loff_t *ppos)
  51 {
  52         int ret;
  53
  54         if (!iwl_mvm_is_ctdp_supported(mvm))
  55                 return -EOPNOTSUPP;
  56
  57         if (!iwl_mvm_firmware_running(mvm) ||
  58             mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
  59                 return -EIO;
  60
  61         mutex_lock(&mvm->mutex);
  62         ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
  63         mutex_unlock(&mvm->mutex);
  64
  65         return ret ?: count;
  66 }
  67
  68 static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
  69                                             size_t count, loff_t *ppos)
  70 {
  71         if (!iwl_mvm_firmware_running(mvm) ||
  72             mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
  73                 return -EIO;
  74
  75         iwl_mvm_enter_ctkill(mvm);
  76
  77         return count;
  78 }
  79
  80 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
  81                                         size_t count, loff_t *ppos)
  82 {
  83         int ret;
  84         u32 flush_arg;
  85
  86         if (!iwl_mvm_firmware_running(mvm) ||
  87             mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
  88                 return -EIO;
  89
  90         if (kstrtou32(buf, 0, &flush_arg))
  91                 return -EINVAL;
  92
  93         if (iwl_mvm_has_new_tx_api(mvm)) {
  94                 IWL_DEBUG_TX_QUEUES(mvm,
  95                                     "FLUSHING all tids queues on sta_id = %d\n",
  96                                     flush_arg);
  97                 mutex_lock(&mvm->mutex);
  98                 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
  99                         ? : count;
 100                 mutex_unlock(&mvm->mutex);
 101                 return ret;
 102         }
 103
 104         IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
 105                             flush_arg);
 106
 107         mutex_lock(&mvm->mutex);
 108         ret =  iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
 109         mutex_unlock(&mvm->mutex);
 110
 111         return ret;
 112 }
 113
 114 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
 115                                          size_t count, loff_t *ppos)
 116 {
 117         struct iwl_mvm_sta *mvmsta;
 118         int sta_id, drain, ret;
 119
 120         if (!iwl_mvm_firmware_running(mvm) ||
 121             mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
 122                 return -EIO;
 123
 124         if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
 125                 return -EINVAL;
 126         if (sta_id < 0 || sta_id >= mvm->fw->ucode_capa.num_stations)
 127                 return -EINVAL;
 128         if (drain < 0 || drain > 1)
 129                 return -EINVAL;
 130
 131         mutex_lock(&mvm->mutex);
 132
 133         mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
 134
 135         if (!mvmsta)
 136                 ret = -ENOENT;
 137         else
 138                 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
 139
 140         mutex_unlock(&mvm->mutex);
 141
 142         return ret;
 143 }
 144
 145 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
 146                                    size_t count, loff_t *ppos)
 147 {
 148         struct iwl_mvm *mvm = file->private_data;
 149         const struct fw_img *img;
 150         unsigned int ofs, len;
 151         size_t ret;
 152         u8 *ptr;
 153
 154         if (!iwl_mvm_firmware_running(mvm))
 155                 return -EINVAL;
 156
 157         /* default is to dump the entire data segment */
 158         img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
 159         ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
 160         len = img->sec[IWL_UCODE_SECTION_DATA].len;
 161
 162         if (mvm->dbgfs_sram_len) {
 163                 ofs = mvm->dbgfs_sram_offset;
 164                 len = mvm->dbgfs_sram_len;
 165         }
 166
 167         ptr = kzalloc(len, GFP_KERNEL);
 168         if (!ptr)
 169                 return -ENOMEM;
 170
 171         iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
 172
 173         ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
 174
 175         kfree(ptr);
 176
 177         return ret;
 178 }
 179
 180 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
 181                                     size_t count, loff_t *ppos)
 182 {
 183         const struct fw_img *img;
 184         u32 offset, len;
 185         u32 img_offset, img_len;
 186
 187         if (!iwl_mvm_firmware_running(mvm))
 188                 return -EINVAL;
 189
 190         img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
 191         img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
 192         img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 193
 194         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 195                 if ((offset & 0x3) || (len & 0x3))
 196                         return -EINVAL;
 197
 198                 if (offset + len > img_offset + img_len)
 199                         return -EINVAL;
 200
 201                 mvm->dbgfs_sram_offset = offset;
 202                 mvm->dbgfs_sram_len = len;
 203         } else {
 204                 mvm->dbgfs_sram_offset = 0;
 205                 mvm->dbgfs_sram_len = 0;
 206         }
 207
 208         return count;
 209 }
 210
 211 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
 212                                                   char __user *user_buf,
 213                                                   size_t count, loff_t *ppos)
 214 {
 215         struct iwl_mvm *mvm = file->private_data;
 216         char buf[16];
 217         int pos;
 218
 219         if (!mvm->temperature_test)
 220                 pos = scnprintf(buf, sizeof(buf), "disabled\n");
 221         else
 222                 pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature);
 223
 224         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 225 }
 226
 227 /*
 228  * Set NIC Temperature
 229  * Cause the driver to ignore the actual NIC temperature reported by the FW
 230  * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
 231  * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
 232  * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
 233  */
 234 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 235                                                    char *buf, size_t count,
 236                                                    loff_t *ppos)
 237 {
 238         int temperature;
 239
 240         if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
 241                 return -EIO;
 242
 243         if (kstrtoint(buf, 10, &temperature))
 244                 return -EINVAL;
 245         /* not a legal temperature */
 246         if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
 247              temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
 248             temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
 249                 return -EINVAL;
 250
 251         mutex_lock(&mvm->mutex);
 252         if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
 253                 if (!mvm->temperature_test)
 254                         goto out;
 255
 256                 mvm->temperature_test = false;
 257                 /* Since we can't read the temp while awake, just set
 258                  * it to zero until we get the next RX stats from the
 259                  * firmware.
 260                  */
 261                 mvm->temperature = 0;
 262         } else {
 263                 mvm->temperature_test = true;
 264                 mvm->temperature = temperature;
 265         }
 266         IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
 267                        mvm->temperature_test ? "En" : "Dis",
 268                        mvm->temperature);
 269         /* handle the temperature change */
 270         iwl_mvm_tt_handler(mvm);
 271
 272 out:
 273         mutex_unlock(&mvm->mutex);
 274
 275         return count;
 276 }
 277
 278 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
 279                                        char __user *user_buf,
 280                                        size_t count, loff_t *ppos)
 281 {
 282         struct iwl_mvm *mvm = file->private_data;
 283         char buf[16];
 284         int pos, ret;
 285         s32 temp;
 286
 287         if (!iwl_mvm_firmware_running(mvm))
 288                 return -EIO;
 289
 290         mutex_lock(&mvm->mutex);
 291         ret = iwl_mvm_get_temp(mvm, &temp);
 292         mutex_unlock(&mvm->mutex);
 293
 294         if (ret)
 295                 return -EIO;
 296
 297         pos = scnprintf(buf, sizeof(buf), "%d\n", temp);
 298
 299         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 300 }
 301
 302 #ifdef CONFIG_ACPI
 303 static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
 304                                               char __user *user_buf,
 305                                               size_t count, loff_t *ppos)
 306 {
 307         struct iwl_mvm *mvm = file->private_data;
 308         char buf[256];
 309         int pos = 0;
 310         int bufsz = sizeof(buf);
 311         int tbl_idx;
 312
 313         if (!iwl_mvm_firmware_running(mvm))
 314                 return -EIO;
 315
 316         mutex_lock(&mvm->mutex);
 317         tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
 318         if (tbl_idx < 0) {
 319                 mutex_unlock(&mvm->mutex);
 320                 return tbl_idx;
 321         }
 322
 323         if (!tbl_idx) {
 324                 pos = scnprintf(buf, bufsz,
 325                                 "SAR geographic profile disabled\n");
 326         } else {
 327                 pos += scnprintf(buf + pos, bufsz - pos,
 328                                  "Use geographic profile %d\n", tbl_idx);
 329                 pos += scnprintf(buf + pos, bufsz - pos,
 330                                  "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
 331                                  mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
 332                                  mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
 333                                  mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
 334                 pos += scnprintf(buf + pos, bufsz - pos,
 335                                  "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
 336                                  mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
 337                                  mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
 338                                  mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
 339         }
 340         mutex_unlock(&mvm->mutex);
 341
 342         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 343 }
 344
 345 static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file,
 346                                              char __user *user_buf,
 347                                              size_t count, loff_t *ppos)
 348 {
 349         struct iwl_mvm *mvm = file->private_data;
 350         int err, pos;
 351         char buf[12];
 352         u32 value;
 353
 354         err = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
 355                                    DSM_FUNC_ENABLE_6E,
 356                                    &iwl_guid, &value);
 357         if (err)
 358                 return err;
 359
 360         pos = sprintf(buf, "0x%08x\n", value);
 361
 362         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 363 }
 364 #endif
 365
 366 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 367                                        size_t count, loff_t *ppos)
 368 {
 369         struct iwl_mvm *mvm = file->private_data;
 370         struct ieee80211_sta *sta;
 371         char buf[400];
 372         int i, pos = 0, bufsz = sizeof(buf);
 373
 374         mutex_lock(&mvm->mutex);
 375
 376         for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
 377                 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
 378                 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
 379                                                 lockdep_is_held(&mvm->mutex));
 380                 if (!sta)
 381                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
 382                 else if (IS_ERR(sta))
 383                         pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
 384                                          PTR_ERR(sta));
 385                 else
 386                         pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
 387                                          sta->addr);
 388         }
 389
 390         mutex_unlock(&mvm->mutex);
 391
 392         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 393 }
 394
 395 static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta,
 396                                       struct iwl_mvm_sta *mvmsta,
 397                                       struct iwl_mvm *mvm,
 398                                       struct iwl_mvm_link_sta *mvm_link_sta,
 399                                       char __user *user_buf,
 400                                       size_t count, loff_t *ppos)
 401 {
 402         struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw;
 403         static const size_t bufsz = 2048;
 404         char *buff;
 405         int desc = 0;
 406         ssize_t ret;
 407
 408         buff = kmalloc(bufsz, GFP_KERNEL);
 409         if (!buff)
 410                 return -ENOMEM;
 411
 412         desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
 413                           lq_sta->pers.sta_id);
 414         desc += scnprintf(buff + desc, bufsz - desc,
 415                           "fixed rate 0x%X\n",
 416                           lq_sta->pers.dbg_fixed_rate);
 417         desc += scnprintf(buff + desc, bufsz - desc,
 418                           "A-MPDU size limit %d\n",
 419                           lq_sta->pers.dbg_agg_frame_count_lim);
 420         desc += scnprintf(buff + desc, bufsz - desc,
 421                           "valid_tx_ant %s%s\n",
 422                 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
 423                 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
 424         desc += scnprintf(buff + desc, bufsz - desc,
 425                           "last tx rate=0x%X ",
 426                           lq_sta->last_rate_n_flags);
 427
 428         desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
 429                                      lq_sta->last_rate_n_flags);
 430         if (desc < bufsz - 1)
 431                 buff[desc++] = '\n';
 432
 433         ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
 434         kfree(buff);
 435         return ret;
 436 }
 437
 438 static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta,
 439                                          struct iwl_mvm_sta *mvmsta,
 440                                          struct iwl_mvm *mvm,
 441                                          struct iwl_mvm_link_sta *mvm_link_sta,
 442                                          char *buf, size_t count,
 443                                          loff_t *ppos)
 444 {
 445         int i;
 446         u16 amsdu_len;
 447
 448         if (kstrtou16(buf, 0, &amsdu_len))
 449                 return -EINVAL;
 450
 451         /* only change from debug set <-> debug unset */
 452         if (amsdu_len && mvm_link_sta->orig_amsdu_len)
 453                 return -EBUSY;
 454
 455         if (amsdu_len) {
 456                 mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len;
 457                 link_sta->agg.max_amsdu_len = amsdu_len;
 458                 link_sta->agg.max_amsdu_len = amsdu_len;
 459                 for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++)
 460                         link_sta->agg.max_tid_amsdu_len[i] = amsdu_len;
 461         } else {
 462                 link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len;
 463                 mvm_link_sta->orig_amsdu_len = 0;
 464         }
 465
 466         ieee80211_sta_recalc_aggregates(link_sta->sta);
 467
 468         return count;
 469 }
 470
 471 static ssize_t iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta *link_sta,
 472                                         struct iwl_mvm_sta *mvmsta,
 473                                         struct iwl_mvm *mvm,
 474                                         struct iwl_mvm_link_sta *mvm_link_sta,
 475                                         char __user *user_buf,
 476                                         size_t count, loff_t *ppos)
 477 {
 478         char buf[32];
 479         int pos;
 480
 481         pos = scnprintf(buf, sizeof(buf), "current %d ",
 482                         link_sta->agg.max_amsdu_len);
 483         pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
 484                          mvm_link_sta->orig_amsdu_len);
 485
 486         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 487 }
 488
 489 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
 490                                                 char __user *user_buf,
 491                                                 size_t count, loff_t *ppos)
 492 {
 493         struct iwl_mvm *mvm = file->private_data;
 494         char buf[64];
 495         int bufsz = sizeof(buf);
 496         int pos = 0;
 497
 498         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
 499                          mvm->disable_power_off);
 500         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
 501                          mvm->disable_power_off_d3);
 502
 503         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 504 }
 505
 506 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
 507                                                  size_t count, loff_t *ppos)
 508 {
 509         int ret, val;
 510
 511         if (!iwl_mvm_firmware_running(mvm))
 512                 return -EIO;
 513
 514         if (!strncmp("disable_power_off_d0=", buf, 21)) {
 515                 if (sscanf(buf + 21, "%d", &val) != 1)
 516                         return -EINVAL;
 517                 mvm->disable_power_off = val;
 518         } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
 519                 if (sscanf(buf + 21, "%d", &val) != 1)
 520                         return -EINVAL;
 521                 mvm->disable_power_off_d3 = val;
 522         } else {
 523                 return -EINVAL;
 524         }
 525
 526         mutex_lock(&mvm->mutex);
 527         ret = iwl_mvm_power_update_device(mvm);
 528         mutex_unlock(&mvm->mutex);
 529
 530         return ret ?: count;
 531 }
 532
 533 static
 534 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
 535                            int pos, int bufsz)
 536 {
 537         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
 538
 539         BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
 540         BT_MBOX_PRINT(0, LE_PROF1, false);
 541         BT_MBOX_PRINT(0, LE_PROF2, false);
 542         BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
 543         BT_MBOX_PRINT(0, CHL_SEQ_N, false);
 544         BT_MBOX_PRINT(0, INBAND_S, false);
 545         BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
 546         BT_MBOX_PRINT(0, LE_SCAN, false);
 547         BT_MBOX_PRINT(0, LE_ADV, false);
 548         BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
 549         BT_MBOX_PRINT(0, OPEN_CON_1, true);
 550
 551         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
 552
 553         BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
 554         BT_MBOX_PRINT(1, IP_SR, false);
 555         BT_MBOX_PRINT(1, LE_MSTR, false);
 556         BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
 557         BT_MBOX_PRINT(1, MSG_TYPE, false);
 558         BT_MBOX_PRINT(1, SSN, true);
 559
 560         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
 561
 562         BT_MBOX_PRINT(2, SNIFF_ACT, false);
 563         BT_MBOX_PRINT(2, PAG, false);
 564         BT_MBOX_PRINT(2, INQUIRY, false);
 565         BT_MBOX_PRINT(2, CONN, false);
 566         BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
 567         BT_MBOX_PRINT(2, DISC, false);
 568         BT_MBOX_PRINT(2, SCO_TX_ACT, false);
 569         BT_MBOX_PRINT(2, SCO_RX_ACT, false);
 570         BT_MBOX_PRINT(2, ESCO_RE_TX, false);
 571         BT_MBOX_PRINT(2, SCO_DURATION, true);
 572
 573         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
 574
 575         BT_MBOX_PRINT(3, SCO_STATE, false);
 576         BT_MBOX_PRINT(3, SNIFF_STATE, false);
 577         BT_MBOX_PRINT(3, A2DP_STATE, false);
 578         BT_MBOX_PRINT(3, A2DP_SRC, false);
 579         BT_MBOX_PRINT(3, ACL_STATE, false);
 580         BT_MBOX_PRINT(3, MSTR_STATE, false);
 581         BT_MBOX_PRINT(3, OBX_STATE, false);
 582         BT_MBOX_PRINT(3, OPEN_CON_2, false);
 583         BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
 584         BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
 585         BT_MBOX_PRINT(3, INBAND_P, false);
 586         BT_MBOX_PRINT(3, MSG_TYPE_2, false);
 587         BT_MBOX_PRINT(3, SSN_2, false);
 588         BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
 589
 590         return pos;
 591 }
 592
 593 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
 594                                        size_t count, loff_t *ppos)
 595 {
 596         struct iwl_mvm *mvm = file->private_data;
 597         struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
 598         char *buf;
 599         int ret, pos = 0, bufsz = sizeof(char) * 1024;
 600
 601         buf = kmalloc(bufsz, GFP_KERNEL);
 602         if (!buf)
 603                 return -ENOMEM;
 604
 605         mutex_lock(&mvm->mutex);
 606
 607         pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
 608
 609         pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
 610                          notif->bt_ci_compliance);
 611         pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
 612                          le32_to_cpu(notif->primary_ch_lut));
 613         pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
 614                          le32_to_cpu(notif->secondary_ch_lut));
 615         pos += scnprintf(buf + pos,
 616                          bufsz - pos, "bt_activity_grading = %d\n",
 617                          le32_to_cpu(notif->bt_activity_grading));
 618         pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
 619                          notif->rrc_status & 0xF);
 620         pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
 621                          notif->ttc_status & 0xF);
 622
 623         pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
 624                          IWL_MVM_BT_COEX_SYNC2SCO);
 625         pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
 626                          IWL_MVM_BT_COEX_MPLUT);
 627
 628         mutex_unlock(&mvm->mutex);
 629
 630         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 631         kfree(buf);
 632
 633         return ret;
 634 }
 635 #undef BT_MBOX_PRINT
 636
 637 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
 638                                      size_t count, loff_t *ppos)
 639 {
 640         struct iwl_mvm *mvm = file->private_data;
 641         struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
 642         char buf[256];
 643         int bufsz = sizeof(buf);
 644         int pos = 0;
 645
 646         mutex_lock(&mvm->mutex);
 647
 648         pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
 649         pos += scnprintf(buf + pos, bufsz - pos,
 650                          "\tPrimary Channel Bitmap 0x%016llx\n",
 651                          le64_to_cpu(cmd->bt_primary_ci));
 652         pos += scnprintf(buf + pos, bufsz - pos,
 653                          "\tSecondary Channel Bitmap 0x%016llx\n",
 654                          le64_to_cpu(cmd->bt_secondary_ci));
 655
 656         mutex_unlock(&mvm->mutex);
 657
 658         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 659 }
 660
 661 static ssize_t
 662 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
 663                            size_t count, loff_t *ppos)
 664 {
 665         u32 bt_tx_prio;
 666
 667         if (sscanf(buf, "%u", &bt_tx_prio) != 1)
 668                 return -EINVAL;
 669         if (bt_tx_prio > 4)
 670                 return -EINVAL;
 671
 672         mvm->bt_tx_prio = bt_tx_prio;
 673
 674         return count;
 675 }
 676
 677 static ssize_t
 678 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
 679                              size_t count, loff_t *ppos)
 680 {
 681         static const char * const modes_str[BT_FORCE_ANT_MAX] = {
 682                 [BT_FORCE_ANT_DIS] = "dis",
 683                 [BT_FORCE_ANT_AUTO] = "auto",
 684                 [BT_FORCE_ANT_BT] = "bt",
 685                 [BT_FORCE_ANT_WIFI] = "wifi",
 686         };
 687         int ret, bt_force_ant_mode;
 688
 689         ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
 690         if (ret < 0)
 691                 return ret;
 692
 693         bt_force_ant_mode = ret;
 694         ret = 0;
 695         mutex_lock(&mvm->mutex);
 696         if (mvm->bt_force_ant_mode == bt_force_ant_mode)
 697                 goto out;
 698
 699         mvm->bt_force_ant_mode = bt_force_ant_mode;
 700         IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
 701                        modes_str[mvm->bt_force_ant_mode]);
 702
 703         if (iwl_mvm_firmware_running(mvm))
 704                 ret = iwl_mvm_send_bt_init_conf(mvm);
 705         else
 706                 ret = 0;
 707
 708 out:
 709         mutex_unlock(&mvm->mutex);
 710         return ret ?: count;
 711 }
 712
 713 static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
 714                                      size_t count, loff_t *ppos)
 715 {
 716         struct iwl_mvm *mvm = file->private_data;
 717         char *buff, *pos, *endpos;
 718         static const size_t bufsz = 1024;
 719         char _fw_name_pre[FW_NAME_PRE_BUFSIZE];
 720         int ret;
 721
 722         buff = kmalloc(bufsz, GFP_KERNEL);
 723         if (!buff)
 724                 return -ENOMEM;
 725
 726         pos = buff;
 727         endpos = pos + bufsz;
 728
 729         pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
 730                          iwl_drv_get_fwname_pre(mvm->trans, _fw_name_pre));
 731         pos += scnprintf(pos, endpos - pos, "FW: %s\n",
 732                          mvm->fwrt.fw->human_readable);
 733         pos += scnprintf(pos, endpos - pos, "Device: %s\n",
 734                          mvm->fwrt.trans->name);
 735         pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
 736                          mvm->fwrt.dev->bus->name);
 737
 738         ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
 739         kfree(buff);
 740
 741         return ret;
 742 }
 743
 744 static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
 745                                              char __user *user_buf,
 746                                              size_t count, loff_t *ppos)
 747 {
 748         struct iwl_mvm *mvm = file->private_data;
 749         struct iwl_mvm_tas_status_resp tas_rsp;
 750         struct iwl_mvm_tas_status_resp *rsp = &tas_rsp;
 751         static const size_t bufsz = 1024;
 752         char *buff, *pos, *endpos;
 753         const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
 754                 [TAS_DISABLED_DUE_TO_BIOS] =
 755                         "Due To BIOS",
 756                 [TAS_DISABLED_DUE_TO_SAR_6DBM] =
 757                         "Due To SAR Limit Less Than 6 dBm",
 758                 [TAS_DISABLED_REASON_INVALID] =
 759                         "N/A",
 760         };
 761         const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
 762                 [TAS_DYNA_INACTIVE] = "INACTIVE",
 763                 [TAS_DYNA_INACTIVE_MVM_MODE] =
 764                         "inactive due to mvm mode",
 765                 [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
 766                         "inactive due to trigger mode",
 767                 [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
 768                         "inactive due to block listed",
 769                 [TAS_DYNA_INACTIVE_UHB_NON_US] =
 770                         "inactive due to uhb non US",
 771                 [TAS_DYNA_ACTIVE] = "ACTIVE",
 772         };
 773         struct iwl_host_cmd hcmd = {
 774                 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
 775                 .flags = CMD_WANT_SKB,
 776                 .len = { 0, },
 777                 .data = { NULL, },
 778         };
 779         int ret, i, tmp;
 780         bool tas_enabled = false;
 781         unsigned long dyn_status;
 782
 783         if (!iwl_mvm_firmware_running(mvm))
 784                 return -ENODEV;
 785
 786         mutex_lock(&mvm->mutex);
 787         ret = iwl_mvm_send_cmd(mvm, &hcmd);
 788         mutex_unlock(&mvm->mutex);
 789         if (ret < 0)
 790                 return ret;
 791
 792         buff = kzalloc(bufsz, GFP_KERNEL);
 793         if (!buff)
 794                 return -ENOMEM;
 795         pos = buff;
 796         endpos = pos + bufsz;
 797
 798         rsp = (void *)hcmd.resp_pkt->data;
 799
 800         pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
 801         for (i = 0; i < rsp->in_dual_radio + 1; i++) {
 802                 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
 803                     rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
 804                         pos += scnprintf(pos, endpos - pos, "\tON for ");
 805                         switch (rsp->tas_status_mac[i].band) {
 806                         case TAS_LMAC_BAND_HB:
 807                                 pos += scnprintf(pos, endpos - pos, "HB\n");
 808                                 break;
 809                         case TAS_LMAC_BAND_LB:
 810                                 pos += scnprintf(pos, endpos - pos, "LB\n");
 811                                 break;
 812                         case TAS_LMAC_BAND_UHB:
 813                                 pos += scnprintf(pos, endpos - pos, "UHB\n");
 814                                 break;
 815                         case TAS_LMAC_BAND_INVALID:
 816                                 pos += scnprintf(pos, endpos - pos,
 817                                                  "INVALID BAND\n");
 818                                 break;
 819                         default:
 820                                 pos += scnprintf(pos, endpos - pos,
 821                                                  "Unsupported band (%d)\n",
 822                                                  rsp->tas_status_mac[i].band);
 823                                 goto out;
 824                         }
 825                         tas_enabled = true;
 826                 }
 827         }
 828         if (!tas_enabled)
 829                 pos += scnprintf(pos, endpos - pos, "\tOFF\n");
 830
 831         pos += scnprintf(pos, endpos - pos, "TAS Report\n");
 832         pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
 833                          rsp->tas_fw_version);
 834         pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
 835                          rsp->is_uhb_for_usa_enable ? "True" : "False");
 836         pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
 837                          le16_to_cpu(rsp->curr_mcc));
 838
 839         pos += scnprintf(pos, endpos - pos, "Block list entries:");
 840         for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++)
 841                 pos += scnprintf(pos, endpos - pos, " 0x%x",
 842                                  le16_to_cpu(rsp->block_list[i]));
 843
 844         pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
 845                          dmi_get_system_info(DMI_SYS_VENDOR));
 846         pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
 847                          iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO");
 848         pos += scnprintf(pos, endpos - pos,
 849                          "\tDo TAS Support Dual Radio?: %s\n",
 850                          rsp->in_dual_radio ? "TRUE" : "FALSE");
 851
 852         for (i = 0; i < rsp->in_dual_radio + 1; i++) {
 853                 if (rsp->tas_status_mac[i].static_status == 0) {
 854                         pos += scnprintf(pos, endpos - pos,
 855                                          "Static status: disabled\n");
 856                         pos += scnprintf(pos, endpos - pos,
 857                                          "Static disabled reason: %s (0)\n",
 858                                          tas_dis_reason[0]);
 859                         goto out;
 860                 }
 861
 862                 pos += scnprintf(pos, endpos - pos, "TAS status for ");
 863                 switch (rsp->tas_status_mac[i].band) {
 864                 case TAS_LMAC_BAND_HB:
 865                         pos += scnprintf(pos, endpos - pos, "High band\n");
 866                         break;
 867                 case TAS_LMAC_BAND_LB:
 868                         pos += scnprintf(pos, endpos - pos, "Low band\n");
 869                         break;
 870                 case TAS_LMAC_BAND_UHB:
 871                         pos += scnprintf(pos, endpos - pos,
 872                                          "Ultra high band\n");
 873                         break;
 874                 case TAS_LMAC_BAND_INVALID:
 875                         pos += scnprintf(pos, endpos - pos,
 876                                          "INVALID band\n");
 877                         break;
 878                 default:
 879                         pos += scnprintf(pos, endpos - pos,
 880                                          "Unsupported band (%d)\n",
 881                                          rsp->tas_status_mac[i].band);
 882                         goto out;
 883                 }
 884                 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
 885                                  rsp->tas_status_mac[i].static_status ?
 886                                  "En" : "Dis");
 887                 pos += scnprintf(pos, endpos - pos,
 888                                  "\tStatic Disabled Reason: ");
 889                 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
 890                         pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
 891                                          tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
 892                                          rsp->tas_status_mac[i].static_dis_reason);
 893                 else
 894                         pos += scnprintf(pos, endpos - pos,
 895                                          "unsupported value (%d)\n",
 896                                          rsp->tas_status_mac[i].static_dis_reason);
 897
 898                 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
 899                 dyn_status = (rsp->tas_status_mac[i].dynamic_status);
 900                 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
 901                         if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
 902                                 pos += scnprintf(pos, endpos - pos,
 903                                                  "\t%s (%d)\n",
 904                                                  tas_current_status[tmp], tmp);
 905                 }
 906
 907                 pos += scnprintf(pos, endpos - pos,
 908                                  "Is near disconnection?: %s\n",
 909                                  rsp->tas_status_mac[i].near_disconnection ?
 910                                  "True" : "False");
 911                 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
 912                 pos += scnprintf(pos, endpos - pos,
 913                                  "Max. regulatory pwr limit (dBm): %d.%03d\n",
 914                                  tmp / 8, 125 * (tmp % 8));
 915                 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
 916                 pos += scnprintf(pos, endpos - pos,
 917                                  "SAR limit (dBm): %d.%03d\n",
 918                                  tmp / 8, 125 * (tmp % 8));
 919         }
 920
 921 out:
 922         ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
 923         kfree(buff);
 924         iwl_free_resp(&hcmd);
 925         return ret;
 926 }
 927
 928 static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
 929                                                   char __user *user_buf,
 930                                                   size_t count, loff_t *ppos)
 931 {
 932         struct iwl_mvm *mvm = file->private_data;
 933         char *buf;
 934         size_t bufsz;
 935         int pos;
 936         ssize_t ret;
 937
 938         bufsz = mvm->fw->phy_integration_ver_len + 2;
 939         buf = kmalloc(bufsz, GFP_KERNEL);
 940         if (!buf)
 941                 return -ENOMEM;
 942
 943         pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
 944                         mvm->fw->phy_integration_ver);
 945
 946         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 947
 948         kfree(buf);
 949         return ret;
 950 }
 951
 952 #define PRINT_STATS_LE32(_struct, _memb)                                \
 953                          pos += scnprintf(buf + pos, bufsz - pos,       \
 954                                           fmt_table, #_memb,            \
 955                                           le32_to_cpu(_struct->_memb))
 956
 957 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 958                                           char __user *user_buf, size_t count,
 959                                           loff_t *ppos)
 960 {
 961         struct iwl_mvm *mvm = file->private_data;
 962         static const char *fmt_table = "\t%-30s %10u\n";
 963         static const char *fmt_header = "%-32s\n";
 964         int pos = 0;
 965         char *buf;
 966         int ret;
 967         size_t bufsz;
 968
 969         if (iwl_mvm_has_new_rx_stats_api(mvm))
 970                 bufsz = ((sizeof(struct mvm_statistics_rx) /
 971                           sizeof(__le32)) * 43) + (4 * 33) + 1;
 972         else
 973                 /* 43 = size of each data line; 33 = size of each header */
 974                 bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
 975                           sizeof(__le32)) * 43) + (4 * 33) + 1;
 976
 977         buf = kzalloc(bufsz, GFP_KERNEL);
 978         if (!buf)
 979                 return -ENOMEM;
 980
 981         mutex_lock(&mvm->mutex);
 982
 983         if (iwl_mvm_firmware_running(mvm))
 984                 iwl_mvm_request_statistics(mvm, false);
 985
 986         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 987                          "Statistics_Rx - OFDM");
 988         if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
 989                 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
 990
 991                 PRINT_STATS_LE32(ofdm, ina_cnt);
 992                 PRINT_STATS_LE32(ofdm, fina_cnt);
 993                 PRINT_STATS_LE32(ofdm, plcp_err);
 994                 PRINT_STATS_LE32(ofdm, crc32_err);
 995                 PRINT_STATS_LE32(ofdm, overrun_err);
 996                 PRINT_STATS_LE32(ofdm, early_overrun_err);
 997                 PRINT_STATS_LE32(ofdm, crc32_good);
 998                 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
 999                 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
1000                 PRINT_STATS_LE32(ofdm, sfd_timeout);
1001                 PRINT_STATS_LE32(ofdm, fina_timeout);
1002                 PRINT_STATS_LE32(ofdm, unresponded_rts);
1003                 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
1004                 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
1005                 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
1006                 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
1007                 PRINT_STATS_LE32(ofdm, dsp_self_kill);
1008                 PRINT_STATS_LE32(ofdm, mh_format_err);
1009                 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
1010                 PRINT_STATS_LE32(ofdm, reserved);
1011         } else {
1012                 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
1013
1014                 PRINT_STATS_LE32(ofdm, unresponded_rts);
1015                 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
1016                 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
1017                 PRINT_STATS_LE32(ofdm, dsp_self_kill);
1018                 PRINT_STATS_LE32(ofdm, reserved);
1019         }
1020
1021         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
1022                          "Statistics_Rx - CCK");
1023         if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1024                 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
1025
1026                 PRINT_STATS_LE32(cck, ina_cnt);
1027                 PRINT_STATS_LE32(cck, fina_cnt);
1028                 PRINT_STATS_LE32(cck, plcp_err);
1029                 PRINT_STATS_LE32(cck, crc32_err);
1030                 PRINT_STATS_LE32(cck, overrun_err);
1031                 PRINT_STATS_LE32(cck, early_overrun_err);
1032                 PRINT_STATS_LE32(cck, crc32_good);
1033                 PRINT_STATS_LE32(cck, false_alarm_cnt);
1034                 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
1035                 PRINT_STATS_LE32(cck, sfd_timeout);
1036                 PRINT_STATS_LE32(cck, fina_timeout);
1037                 PRINT_STATS_LE32(cck, unresponded_rts);
1038                 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
1039                 PRINT_STATS_LE32(cck, sent_ack_cnt);
1040                 PRINT_STATS_LE32(cck, sent_cts_cnt);
1041                 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
1042                 PRINT_STATS_LE32(cck, dsp_self_kill);
1043                 PRINT_STATS_LE32(cck, mh_format_err);
1044                 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
1045                 PRINT_STATS_LE32(cck, reserved);
1046         } else {
1047                 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
1048
1049                 PRINT_STATS_LE32(cck, unresponded_rts);
1050                 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
1051                 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
1052                 PRINT_STATS_LE32(cck, dsp_self_kill);
1053                 PRINT_STATS_LE32(cck, reserved);
1054         }
1055
1056         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
1057                          "Statistics_Rx - GENERAL");
1058         if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1059                 struct mvm_statistics_rx_non_phy_v3 *general =
1060                         &mvm->rx_stats_v3.general;
1061
1062                 PRINT_STATS_LE32(general, bogus_cts);
1063                 PRINT_STATS_LE32(general, bogus_ack);
1064                 PRINT_STATS_LE32(general, non_bssid_frames);
1065                 PRINT_STATS_LE32(general, filtered_frames);
1066                 PRINT_STATS_LE32(general, non_channel_beacons);
1067                 PRINT_STATS_LE32(general, channel_beacons);
1068                 PRINT_STATS_LE32(general, num_missed_bcon);
1069                 PRINT_STATS_LE32(general, adc_rx_saturation_time);
1070                 PRINT_STATS_LE32(general, ina_detection_search_time);
1071                 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
1072                 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
1073                 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
1074                 PRINT_STATS_LE32(general, interference_data_flag);
1075                 PRINT_STATS_LE32(general, channel_load);
1076                 PRINT_STATS_LE32(general, dsp_false_alarms);
1077                 PRINT_STATS_LE32(general, beacon_rssi_a);
1078                 PRINT_STATS_LE32(general, beacon_rssi_b);
1079                 PRINT_STATS_LE32(general, beacon_rssi_c);
1080                 PRINT_STATS_LE32(general, beacon_energy_a);
1081                 PRINT_STATS_LE32(general, beacon_energy_b);
1082                 PRINT_STATS_LE32(general, beacon_energy_c);
1083                 PRINT_STATS_LE32(general, num_bt_kills);
1084                 PRINT_STATS_LE32(general, mac_id);
1085                 PRINT_STATS_LE32(general, directed_data_mpdu);
1086         } else {
1087                 struct mvm_statistics_rx_non_phy *general =
1088                         &mvm->rx_stats.general;
1089
1090                 PRINT_STATS_LE32(general, bogus_cts);
1091                 PRINT_STATS_LE32(general, bogus_ack);
1092                 PRINT_STATS_LE32(general, non_channel_beacons);
1093                 PRINT_STATS_LE32(general, channel_beacons);
1094                 PRINT_STATS_LE32(general, num_missed_bcon);
1095                 PRINT_STATS_LE32(general, adc_rx_saturation_time);
1096                 PRINT_STATS_LE32(general, ina_detection_search_time);
1097                 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
1098                 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
1099                 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
1100                 PRINT_STATS_LE32(general, interference_data_flag);
1101                 PRINT_STATS_LE32(general, channel_load);
1102                 PRINT_STATS_LE32(general, beacon_rssi_a);
1103                 PRINT_STATS_LE32(general, beacon_rssi_b);
1104                 PRINT_STATS_LE32(general, beacon_rssi_c);
1105                 PRINT_STATS_LE32(general, beacon_energy_a);
1106                 PRINT_STATS_LE32(general, beacon_energy_b);
1107                 PRINT_STATS_LE32(general, beacon_energy_c);
1108                 PRINT_STATS_LE32(general, num_bt_kills);
1109                 PRINT_STATS_LE32(general, mac_id);
1110         }
1111
1112         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
1113                          "Statistics_Rx - HT");
1114         if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1115                 struct mvm_statistics_rx_ht_phy_v1 *ht =
1116                         &mvm->rx_stats_v3.ofdm_ht;
1117
1118                 PRINT_STATS_LE32(ht, plcp_err);
1119                 PRINT_STATS_LE32(ht, overrun_err);
1120                 PRINT_STATS_LE32(ht, early_overrun_err);
1121                 PRINT_STATS_LE32(ht, crc32_good);
1122                 PRINT_STATS_LE32(ht, crc32_err);
1123                 PRINT_STATS_LE32(ht, mh_format_err);
1124                 PRINT_STATS_LE32(ht, agg_crc32_good);
1125                 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
1126                 PRINT_STATS_LE32(ht, agg_cnt);
1127                 PRINT_STATS_LE32(ht, unsupport_mcs);
1128         } else {
1129                 struct mvm_statistics_rx_ht_phy *ht =
1130                         &mvm->rx_stats.ofdm_ht;
1131
1132                 PRINT_STATS_LE32(ht, mh_format_err);
1133                 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
1134                 PRINT_STATS_LE32(ht, agg_cnt);
1135                 PRINT_STATS_LE32(ht, unsupport_mcs);
1136         }
1137
1138         mutex_unlock(&mvm->mutex);
1139
1140         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1141         kfree(buf);
1142
1143         return ret;
1144 }
1145 #undef PRINT_STAT_LE32
1146
1147 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
1148                                           char __user *user_buf, size_t count,
1149                                           loff_t *ppos,
1150                                           struct iwl_mvm_frame_stats *stats)
1151 {
1152         char *buff, *pos, *endpos;
1153         int idx, i;
1154         int ret;
1155         static const size_t bufsz = 1024;
1156
1157         buff = kmalloc(bufsz, GFP_KERNEL);
1158         if (!buff)
1159                 return -ENOMEM;
1160
1161         spin_lock_bh(&mvm->drv_stats_lock);
1162
1163         pos = buff;
1164         endpos = pos + bufsz;
1165
1166         pos += scnprintf(pos, endpos - pos,
1167                          "Legacy/HT/VHT\t:\t%d/%d/%d\n",
1168                          stats->legacy_frames,
1169                          stats->ht_frames,
1170                          stats->vht_frames);
1171         pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
1172                          stats->bw_20_frames,
1173                          stats->bw_40_frames,
1174                          stats->bw_80_frames);
1175         pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
1176                          stats->ngi_frames,
1177                          stats->sgi_frames);
1178         pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
1179                          stats->siso_frames,
1180                          stats->mimo2_frames);
1181         pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
1182                          stats->fail_frames,
1183                          stats->success_frames);
1184         pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
1185                          stats->agg_frames);
1186         pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
1187                          stats->ampdu_count);
1188         pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
1189                          stats->ampdu_count > 0 ?
1190                          (stats->agg_frames / stats->ampdu_count) : 0);
1191
1192         pos += scnprintf(pos, endpos - pos, "Last Rates\n");
1193
1194         idx = stats->last_frame_idx - 1;
1195         for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
1196                 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
1197                 if (stats->last_rates[idx] == 0)
1198                         continue;
1199                 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
1200                                  (int)(ARRAY_SIZE(stats->last_rates) - i));
1201                 pos += rs_pretty_print_rate_v1(pos, endpos - pos,
1202                                                stats->last_rates[idx]);
1203                 if (pos < endpos - 1)
1204                         *pos++ = '\n';
1205         }
1206         spin_unlock_bh(&mvm->drv_stats_lock);
1207
1208         ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1209         kfree(buff);
1210
1211         return ret;
1212 }
1213
1214 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1215                                            char __user *user_buf, size_t count,
1216                                            loff_t *ppos)
1217 {
1218         struct iwl_mvm *mvm = file->private_data;
1219
1220         return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1221                                           &mvm->drv_rx_stats);
1222 }
1223
1224 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1225                                           size_t count, loff_t *ppos)
1226 {
1227         int __maybe_unused ret;
1228
1229         if (!iwl_mvm_firmware_running(mvm))
1230                 return -EIO;
1231
1232         mutex_lock(&mvm->mutex);
1233
1234         /* allow one more restart that we're provoking here */
1235         if (mvm->fw_restart >= 0)
1236                 mvm->fw_restart++;
1237
1238         if (count == 6 && !strcmp(buf, "nolog\n")) {
1239                 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1240                 set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status);
1241         }
1242
1243         /* take the return value to make compiler happy - it will fail anyway */
1244         ret = iwl_mvm_send_cmd_pdu(mvm,
1245                                    WIDE_ID(LONG_GROUP, REPLY_ERROR),
1246                                    0, 0, NULL);
1247
1248         mutex_unlock(&mvm->mutex);
1249
1250         return count;
1251 }
1252
1253 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1254                                       size_t count, loff_t *ppos)
1255 {
1256         if (!iwl_mvm_firmware_running(mvm))
1257                 return -EIO;
1258
1259         if (count == 6 && !strcmp(buf, "nolog\n"))
1260                 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1261
1262         iwl_force_nmi(mvm->trans);
1263
1264         return count;
1265 }
1266
1267 static ssize_t
1268 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1269                                 char __user *user_buf,
1270                                 size_t count, loff_t *ppos)
1271 {
1272         struct iwl_mvm *mvm = file->private_data;
1273         int pos = 0;
1274         char buf[32];
1275         const size_t bufsz = sizeof(buf);
1276
1277         /* print which antennas were set for the scan command by the user */
1278         pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1279         if (mvm->scan_rx_ant & ANT_A)
1280                 pos += scnprintf(buf + pos, bufsz - pos, "A");
1281         if (mvm->scan_rx_ant & ANT_B)
1282                 pos += scnprintf(buf + pos, bufsz - pos, "B");
1283         pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant);
1284
1285         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1286 }
1287
1288 static ssize_t
1289 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1290                                  size_t count, loff_t *ppos)
1291 {
1292         u8 scan_rx_ant;
1293
1294         if (!iwl_mvm_firmware_running(mvm))
1295                 return -EIO;
1296
1297         if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1298                 return -EINVAL;
1299         if (scan_rx_ant > ANT_ABC)
1300                 return -EINVAL;
1301         if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1302                 return -EINVAL;
1303
1304         if (mvm->scan_rx_ant != scan_rx_ant) {
1305                 mvm->scan_rx_ant = scan_rx_ant;
1306                 if (fw_has_capa(&mvm->fw->ucode_capa,
1307                                 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1308                         iwl_mvm_config_scan(mvm);
1309         }
1310
1311         return count;
1312 }
1313
1314 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1315                                                char *buf, size_t count,
1316                                                loff_t *ppos)
1317 {
1318         struct iwl_rss_config_cmd cmd = {
1319                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
1320                 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1321                              IWL_RSS_HASH_TYPE_IPV4_UDP |
1322                              IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1323                              IWL_RSS_HASH_TYPE_IPV6_TCP |
1324                              IWL_RSS_HASH_TYPE_IPV6_UDP |
1325                              IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1326         };
1327         int ret, i, num_repeats, nbytes = count / 2;
1328
1329         ret = hex2bin(cmd.indirection_table, buf, nbytes);
1330         if (ret)
1331                 return ret;
1332
1333         /*
1334          * The input is the redirection table, partial or full.
1335          * Repeat the pattern if needed.
1336          * For example, input of 01020F will be repeated 42 times,
1337          * indirecting RSS hash results to queues 1, 2, 15 (skipping
1338          * queues 3 - 14).
1339          */
1340         num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1341         for (i = 1; i < num_repeats; i++)
1342                 memcpy(&cmd.indirection_table[i * nbytes],
1343                        cmd.indirection_table, nbytes);
1344         /* handle cut in the middle pattern for the last places */
1345         memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1346                ARRAY_SIZE(cmd.indirection_table) % nbytes);
1347
1348         netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1349
1350         mutex_lock(&mvm->mutex);
1351         if (iwl_mvm_firmware_running(mvm))
1352                 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1353                                            sizeof(cmd), &cmd);
1354         else
1355                 ret = 0;
1356         mutex_unlock(&mvm->mutex);
1357
1358         return ret ?: count;
1359 }
1360
1361 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1362                                              char *buf, size_t count,
1363                                              loff_t *ppos)
1364 {
1365         struct iwl_op_mode *opmode = container_of((void *)mvm,
1366                                                   struct iwl_op_mode,
1367                                                   op_mode_specific);
1368         struct iwl_rx_cmd_buffer rxb = {
1369                 ._rx_page_order = 0,
1370                 .truesize = 0, /* not used */
1371                 ._offset = 0,
1372         };
1373         struct iwl_rx_packet *pkt;
1374         int bin_len = count / 2;
1375         int ret = -EINVAL;
1376
1377         if (!iwl_mvm_firmware_running(mvm))
1378                 return -EIO;
1379
1380         /* supporting only MQ RX */
1381         if (!mvm->trans->trans_cfg->mq_rx_supported)
1382                 return -ENOTSUPP;
1383
1384         rxb._page = alloc_pages(GFP_ATOMIC, 0);
1385         if (!rxb._page)
1386                 return -ENOMEM;
1387         pkt = rxb_addr(&rxb);
1388
1389         ret = hex2bin(page_address(rxb._page), buf, bin_len);
1390         if (ret)
1391                 goto out;
1392
1393         /* avoid invalid memory access and malformed packet */
1394         if (bin_len < sizeof(*pkt) ||
1395             bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1396                 goto out;
1397
1398         local_bh_disable();
1399         iwl_mvm_rx_mq(opmode, NULL, &rxb);
1400         local_bh_enable();
1401         ret = 0;
1402
1403 out:
1404         iwl_free_rxb(&rxb);
1405
1406         return ret ?: count;
1407 }
1408
1409 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1410 {
1411         struct ieee80211_vif *vif;
1412         struct iwl_mvm_vif *mvmvif;
1413         struct sk_buff *beacon;
1414         struct ieee80211_tx_info *info;
1415         struct iwl_mac_beacon_cmd beacon_cmd = {};
1416         unsigned int link_id;
1417         u8 rate;
1418         int i;
1419
1420         len /= 2;
1421
1422         /* Element len should be represented by u8 */
1423         if (len >= U8_MAX)
1424                 return -EINVAL;
1425
1426         if (!iwl_mvm_firmware_running(mvm))
1427                 return -EIO;
1428
1429         if (!iwl_mvm_has_new_tx_api(mvm) &&
1430             !fw_has_api(&mvm->fw->ucode_capa,
1431                         IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1432                 return -EINVAL;
1433
1434         mutex_lock(&mvm->mutex);
1435
1436         for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1437                 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1438                 if (!vif)
1439                         continue;
1440
1441                 if (vif->type == NL80211_IFTYPE_AP)
1442                         break;
1443         }
1444
1445         if (i == NUM_MAC_INDEX_DRIVER || !vif)
1446                 goto out_err;
1447
1448         mvm->hw->extra_beacon_tailroom = len;
1449
1450         beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0);
1451         if (!beacon)
1452                 goto out_err;
1453
1454         if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1455                 dev_kfree_skb(beacon);
1456                 goto out_err;
1457         }
1458
1459         mvm->beacon_inject_active = true;
1460
1461         mvmvif = iwl_mvm_vif_from_mac80211(vif);
1462         info = IEEE80211_SKB_CB(beacon);
1463         rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif);
1464
1465         for_each_mvm_vif_valid_link(mvmvif, link_id) {
1466                 beacon_cmd.flags =
1467                         cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw,
1468                                                                       rate));
1469                 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1470                 if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12)
1471                         beacon_cmd.link_id =
1472                                 cpu_to_le32(mvmvif->link[link_id]->fw_link_id);
1473                 else
1474                         beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id);
1475
1476                 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1477                                          &beacon_cmd.tim_size,
1478                                          beacon->data, beacon->len);
1479
1480                 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1481                                                  sizeof(beacon_cmd));
1482         }
1483         mutex_unlock(&mvm->mutex);
1484
1485         dev_kfree_skb(beacon);
1486
1487         return 0;
1488
1489 out_err:
1490         mutex_unlock(&mvm->mutex);
1491         return -EINVAL;
1492 }
1493
1494 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1495                                                 char *buf, size_t count,
1496                                                 loff_t *ppos)
1497 {
1498         int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1499
1500         mvm->hw->extra_beacon_tailroom = 0;
1501         return ret ?: count;
1502 }
1503
1504 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1505                                                         char *buf,
1506                                                         size_t count,
1507                                                         loff_t *ppos)
1508 {
1509         int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1510
1511         mvm->hw->extra_beacon_tailroom = 0;
1512         mvm->beacon_inject_active = false;
1513         return ret ?: count;
1514 }
1515
1516 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1517                                           char __user *user_buf,
1518                                           size_t count, loff_t *ppos)
1519 {
1520         struct iwl_mvm *mvm = file->private_data;
1521         int conf;
1522         char buf[8];
1523         const size_t bufsz = sizeof(buf);
1524         int pos = 0;
1525
1526         mutex_lock(&mvm->mutex);
1527         conf = mvm->fwrt.dump.conf;
1528         mutex_unlock(&mvm->mutex);
1529
1530         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1531
1532         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1533 }
1534
1535 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1536                                            char *buf, size_t count,
1537                                            loff_t *ppos)
1538 {
1539         unsigned int conf_id;
1540         int ret;
1541
1542         if (!iwl_mvm_firmware_running(mvm))
1543                 return -EIO;
1544
1545         ret = kstrtouint(buf, 0, &conf_id);
1546         if (ret)
1547                 return ret;
1548
1549         if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1550                 return -EINVAL;
1551
1552         mutex_lock(&mvm->mutex);
1553         ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1554         mutex_unlock(&mvm->mutex);
1555
1556         return ret ?: count;
1557 }
1558
1559 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1560                                               char *buf, size_t count,
1561                                               loff_t *ppos)
1562 {
1563         if (count == 0)
1564                 return 0;
1565
1566         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
1567                                NULL);
1568
1569         iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1570                            (count - 1), NULL);
1571
1572         return count;
1573 }
1574
1575 static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1576                                               char *buf, size_t count,
1577                                               loff_t *ppos)
1578 {
1579         u32 timepoint;
1580
1581         if (kstrtou32(buf, 0, &timepoint))
1582                 return -EINVAL;
1583
1584         if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1585             timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1586                 return -EINVAL;
1587
1588         iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1589
1590         return count;
1591 }
1592
1593 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1594         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1595 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1596         _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1597 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do {      \
1598                 debugfs_create_file(alias, mode, parent, mvm,           \
1599                                     &iwl_dbgfs_##name##_ops);           \
1600         } while (0)
1601 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1602         MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1603
1604 static ssize_t
1605 _iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *,
1606                                                struct iwl_mvm_sta *,
1607                                                struct iwl_mvm *,
1608                                                struct iwl_mvm_link_sta *,
1609                                                char *,
1610                                                size_t, loff_t *),
1611                            struct file *file,
1612                            char *buf, size_t buf_size, loff_t *ppos)
1613 {
1614         struct ieee80211_link_sta *link_sta = file->private_data;
1615         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1616         struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1617         struct iwl_mvm_link_sta *mvm_link_sta;
1618         ssize_t ret;
1619
1620         mutex_lock(&mvm->mutex);
1621
1622         mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1623                                                  lockdep_is_held(&mvm->mutex));
1624         if (WARN_ON(!mvm_link_sta)) {
1625                 mutex_unlock(&mvm->mutex);
1626                 return -ENODEV;
1627         }
1628
1629         ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos);
1630
1631         mutex_unlock(&mvm->mutex);
1632
1633         return ret;
1634 }
1635
1636 static ssize_t
1637 _iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *,
1638                                               struct iwl_mvm_sta *,
1639                                               struct iwl_mvm *,
1640                                               struct iwl_mvm_link_sta *,
1641                                               char __user *,
1642                                               size_t, loff_t *),
1643                            struct file *file,
1644                            char __user *user_buf, size_t count, loff_t *ppos)
1645 {
1646         struct ieee80211_link_sta *link_sta = file->private_data;
1647         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1648         struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1649         struct iwl_mvm_link_sta *mvm_link_sta;
1650         ssize_t ret;
1651
1652         mutex_lock(&mvm->mutex);
1653
1654         mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1655                                                  lockdep_is_held(&mvm->mutex));
1656         if (WARN_ON(!mvm_link_sta)) {
1657                 mutex_unlock(&mvm->mutex);
1658                 return -ENODEV;
1659         }
1660
1661         ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos);
1662
1663         mutex_unlock(&mvm->mutex);
1664
1665         return ret;
1666 }
1667
1668 #define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen)                \
1669 static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file,    \
1670                                          const char __user *user_buf,   \
1671                                          size_t count, loff_t *ppos)    \
1672 {                                                                       \
1673         char buf[buflen] = {};                                          \
1674         size_t buf_size = min(count, sizeof(buf) -  1);                 \
1675                                                                         \
1676         if (copy_from_user(buf, user_buf, sizeof(buf)))                 \
1677                 return -EFAULT;                                         \
1678                                                                         \
1679         return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \
1680                                               file,                     \
1681                                               buf, buf_size, ppos);     \
1682 }                                                                       \
1683
1684 #define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)         \
1685 static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file,     \
1686                                          char __user *user_buf,         \
1687                                          size_t count, loff_t *ppos)    \
1688 {                                                                       \
1689         return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read,   \
1690                                              file,                      \
1691                                              user_buf, count, ppos);    \
1692 }                                                                       \
1693
1694 #define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz)                \
1695 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz)                         \
1696 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1697         .write = _iwl_dbgfs_link_sta_##name##_write,                    \
1698         .open = simple_open,                                            \
1699         .llseek = generic_file_llseek,                                  \
1700 }
1701
1702 #define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name)                        \
1703 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)                                 \
1704 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1705         .read = _iwl_dbgfs_link_sta_##name##_read,                      \
1706         .open = simple_open,                                            \
1707         .llseek = generic_file_llseek,                                  \
1708 }
1709
1710 #define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz)           \
1711 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)                                 \
1712 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz)                         \
1713 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
1714         .read = _iwl_dbgfs_link_sta_##name##_read,                      \
1715         .write = _iwl_dbgfs_link_sta_##name##_write,                    \
1716         .open = simple_open,                                            \
1717         .llseek = generic_file_llseek,                                  \
1718 }
1719
1720 #define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode)  \
1721                 debugfs_create_file(alias, mode, parent, link_sta,      \
1722                                     &iwl_dbgfs_link_sta_##name##_ops)
1723 #define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \
1724         MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode)
1725
1726 static ssize_t
1727 iwl_dbgfs_prph_reg_read(struct file *file,
1728                         char __user *user_buf,
1729                         size_t count, loff_t *ppos)
1730 {
1731         struct iwl_mvm *mvm = file->private_data;
1732         int pos = 0;
1733         char buf[32];
1734         const size_t bufsz = sizeof(buf);
1735
1736         if (!mvm->dbgfs_prph_reg_addr)
1737                 return -EINVAL;
1738
1739         pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1740                 mvm->dbgfs_prph_reg_addr,
1741                 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1742
1743         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1744 }
1745
1746 static ssize_t
1747 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1748                          size_t count, loff_t *ppos)
1749 {
1750         u8 args;
1751         u32 value;
1752
1753         args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1754         /* if we only want to set the reg address - nothing more to do */
1755         if (args == 1)
1756                 goto out;
1757
1758         /* otherwise, make sure we have both address and value */
1759         if (args != 2)
1760                 return -EINVAL;
1761
1762         iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1763
1764 out:
1765         return count;
1766 }
1767
1768 static ssize_t
1769 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1770                               size_t count, loff_t *ppos)
1771 {
1772         int ret;
1773
1774         if (!iwl_mvm_firmware_running(mvm))
1775                 return -EIO;
1776
1777         mutex_lock(&mvm->mutex);
1778         ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1779         mutex_unlock(&mvm->mutex);
1780
1781         return ret ?: count;
1782 }
1783
1784 struct iwl_mvm_sniffer_apply {
1785         struct iwl_mvm *mvm;
1786         u8 *bssid;
1787         u16 aid;
1788 };
1789
1790 static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1791                                   struct iwl_rx_packet *pkt, void *data)
1792 {
1793         struct iwl_mvm_sniffer_apply *apply = data;
1794
1795         apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1796         memcpy(apply->mvm->cur_bssid, apply->bssid,
1797                sizeof(apply->mvm->cur_bssid));
1798
1799         return true;
1800 }
1801
1802 static ssize_t
1803 iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1804                                   size_t count, loff_t *ppos)
1805 {
1806         struct iwl_notification_wait wait;
1807         struct iwl_he_monitor_cmd he_mon_cmd = {};
1808         struct iwl_mvm_sniffer_apply apply = {
1809                 .mvm = mvm,
1810         };
1811         u16 wait_cmds[] = {
1812                 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1813         };
1814         u32 aid;
1815         int ret;
1816
1817         if (!iwl_mvm_firmware_running(mvm))
1818                 return -EIO;
1819
1820         ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1821                      &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1822                      &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1823                      &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1824         if (ret != 7)
1825                 return -EINVAL;
1826
1827         he_mon_cmd.aid = cpu_to_le16(aid);
1828
1829         apply.aid = aid;
1830         apply.bssid = (void *)he_mon_cmd.bssid;
1831
1832         mutex_lock(&mvm->mutex);
1833
1834         /*
1835          * Use the notification waiter to get our function triggered
1836          * in sequence with other RX. This ensures that frames we get
1837          * on the RX queue _before_ the new configuration is applied
1838          * still have mvm->cur_aid pointing to the old AID, and that
1839          * frames on the RX queue _after_ the firmware processed the
1840          * new configuration (and sent the response, synchronously)
1841          * get mvm->cur_aid correctly set to the new AID.
1842          */
1843         iwl_init_notification_wait(&mvm->notif_wait, &wait,
1844                                    wait_cmds, ARRAY_SIZE(wait_cmds),
1845                                    iwl_mvm_sniffer_apply, &apply);
1846
1847         ret = iwl_mvm_send_cmd_pdu(mvm,
1848                                    WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1849                                    0,
1850                                    sizeof(he_mon_cmd), &he_mon_cmd);
1851
1852         /* no need to really wait, we already did anyway */
1853         iwl_remove_notification(&mvm->notif_wait, &wait);
1854
1855         mutex_unlock(&mvm->mutex);
1856
1857         return ret ?: count;
1858 }
1859
1860 static ssize_t
1861 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1862                                  size_t count, loff_t *ppos)
1863 {
1864         struct iwl_mvm *mvm = file->private_data;
1865         u8 buf[32];
1866         int len;
1867
1868         len = scnprintf(buf, sizeof(buf),
1869                         "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1870                         le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1871                         mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1872                         mvm->cur_bssid[4], mvm->cur_bssid[5]);
1873
1874         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1875 }
1876
1877 static ssize_t
1878 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1879                                   size_t count, loff_t *ppos)
1880 {
1881         struct iwl_mvm *mvm = file->private_data;
1882         u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1883         unsigned int pos = 0;
1884         size_t bufsz = sizeof(buf);
1885         int i;
1886
1887         mutex_lock(&mvm->mutex);
1888
1889         for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1890                 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1891                                  mvm->uapsd_noagg_bssids[i].addr);
1892
1893         mutex_unlock(&mvm->mutex);
1894
1895         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1896 }
1897
1898 static ssize_t
1899 iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1900                            char *buf, size_t count, loff_t *ppos)
1901 {
1902         int ret;
1903         struct iwl_ltr_config_cmd ltr_config = {0};
1904
1905         if (!iwl_mvm_firmware_running(mvm))
1906                 return -EIO;
1907
1908         if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1909                    &ltr_config.flags,
1910                    &ltr_config.static_long,
1911                    &ltr_config.static_short,
1912                    &ltr_config.ltr_cfg_values[0],
1913                    &ltr_config.ltr_cfg_values[1],
1914                    &ltr_config.ltr_cfg_values[2],
1915                    &ltr_config.ltr_cfg_values[3]) != 7) {
1916                 return -EINVAL;
1917         }
1918
1919         mutex_lock(&mvm->mutex);
1920         ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1921                                    &ltr_config);
1922         mutex_unlock(&mvm->mutex);
1923
1924         if (ret)
1925                 IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1926
1927         return ret ?: count;
1928 }
1929
1930 static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
1931                                               size_t count, loff_t *ppos)
1932 {
1933         int ret = 0;
1934         u16 op_id;
1935
1936         if (kstrtou16(buf, 10, &op_id))
1937                 return -EINVAL;
1938
1939         /* value zero triggers re-sending the default table to the device */
1940         if (!op_id) {
1941                 mutex_lock(&mvm->mutex);
1942                 ret = iwl_rfi_send_config_cmd(mvm, NULL);
1943                 mutex_unlock(&mvm->mutex);
1944         } else {
1945                 ret = -EOPNOTSUPP; /* in the future a new table will be added */
1946         }
1947
1948         return ret ?: count;
1949 }
1950
1951 /* The size computation is as follows:
1952  * each number needs at most 3 characters, number of rows is the size of
1953  * the table; So, need 5 chars for the "freq: " part and each tuple afterwards
1954  * needs 6 characters for numbers and 5 for the punctuation around.
1955  */
1956 #define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
1957                                 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
1958
1959 static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
1960                                              char __user *user_buf,
1961                                              size_t count, loff_t *ppos)
1962 {
1963         struct iwl_mvm *mvm = file->private_data;
1964         struct iwl_rfi_freq_table_resp_cmd *resp;
1965         u32 status;
1966         char buf[IWL_RFI_BUF_SIZE];
1967         int i, j, pos = 0;
1968
1969         resp = iwl_rfi_get_freq_table(mvm);
1970         if (IS_ERR(resp))
1971                 return PTR_ERR(resp);
1972
1973         status = le32_to_cpu(resp->status);
1974         if (status != RFI_FREQ_TABLE_OK) {
1975                 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
1976                 goto out;
1977         }
1978
1979         for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
1980                 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
1981                                  resp->table[i].freq);
1982
1983                 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
1984                         pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
1985                                          "(%d, %d) ",
1986                                          resp->table[i].channels[j],
1987                                          resp->table[i].bands[j]);
1988                 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
1989         }
1990
1991 out:
1992         kfree(resp);
1993         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1994 }
1995
1996 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1997
1998 /* Device wide debugfs entries */
1999 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
2000 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
2001 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
2002 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
2003 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
2004 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
2005 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
2006 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
2007 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
2008 MVM_DEBUGFS_READ_FILE_OPS(stations);
2009 MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data);
2010 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
2011 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
2012 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
2013 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
2014 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
2015 MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
2016 MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
2017 MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
2018 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
2019 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
2020 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
2021 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
2022 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
2023 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
2024 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
2025 MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
2026 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
2027                            (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
2028 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
2029 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
2030 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
2031
2032 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
2033
2034 #ifdef CONFIG_ACPI
2035 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
2036 MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable);
2037 #endif
2038
2039 MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16);
2040
2041 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
2042
2043 MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
2044 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
2045
2046 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
2047                                   size_t count, loff_t *ppos)
2048 {
2049         struct iwl_mvm *mvm = file->private_data;
2050         struct iwl_dbg_mem_access_cmd cmd = {};
2051         struct iwl_dbg_mem_access_rsp *rsp;
2052         struct iwl_host_cmd hcmd = {
2053                 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2054                 .data = { &cmd, },
2055                 .len = { sizeof(cmd) },
2056         };
2057         size_t delta;
2058         ssize_t ret, len;
2059
2060         if (!iwl_mvm_firmware_running(mvm))
2061                 return -EIO;
2062
2063         hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
2064         cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
2065
2066         /* Take care of alignment of both the position and the length */
2067         delta = *ppos & 0x3;
2068         cmd.addr = cpu_to_le32(*ppos - delta);
2069         cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
2070                                   (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
2071
2072         mutex_lock(&mvm->mutex);
2073         ret = iwl_mvm_send_cmd(mvm, &hcmd);
2074         mutex_unlock(&mvm->mutex);
2075
2076         if (ret < 0)
2077                 return ret;
2078
2079         if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
2080                 ret = -EIO;
2081                 goto out;
2082         }
2083
2084         rsp = (void *)hcmd.resp_pkt->data;
2085         if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
2086                 ret = -ENXIO;
2087                 goto out;
2088         }
2089
2090         len = min((size_t)le32_to_cpu(rsp->len) << 2,
2091                   iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
2092         len = min(len - delta, count);
2093         if (len < 0) {
2094                 ret = -EFAULT;
2095                 goto out;
2096         }
2097
2098         ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len);
2099         *ppos += ret;
2100
2101 out:
2102         iwl_free_resp(&hcmd);
2103         return ret;
2104 }
2105
2106 static ssize_t iwl_dbgfs_mem_write(struct file *file,
2107                                    const char __user *user_buf, size_t count,
2108                                    loff_t *ppos)
2109 {
2110         struct iwl_mvm *mvm = file->private_data;
2111         struct iwl_dbg_mem_access_cmd *cmd;
2112         struct iwl_dbg_mem_access_rsp *rsp;
2113         struct iwl_host_cmd hcmd = {};
2114         size_t cmd_size;
2115         size_t data_size;
2116         u32 op, len;
2117         ssize_t ret;
2118
2119         if (!iwl_mvm_firmware_running(mvm))
2120                 return -EIO;
2121
2122         hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
2123
2124         if (*ppos & 0x3 || count < 4) {
2125                 op = DEBUG_MEM_OP_WRITE_BYTES;
2126                 len = min(count, (size_t)(4 - (*ppos & 0x3)));
2127                 data_size = len;
2128         } else {
2129                 op = DEBUG_MEM_OP_WRITE;
2130                 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
2131                 data_size = len << 2;
2132         }
2133
2134         cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
2135         cmd = kzalloc(cmd_size, GFP_KERNEL);
2136         if (!cmd)
2137                 return -ENOMEM;
2138
2139         cmd->op = cpu_to_le32(op);
2140         cmd->len = cpu_to_le32(len);
2141         cmd->addr = cpu_to_le32(*ppos);
2142         if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
2143                 kfree(cmd);
2144                 return -EFAULT;
2145         }
2146
2147         hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2148         hcmd.data[0] = (void *)cmd;
2149         hcmd.len[0] = cmd_size;
2150
2151         mutex_lock(&mvm->mutex);
2152         ret = iwl_mvm_send_cmd(mvm, &hcmd);
2153         mutex_unlock(&mvm->mutex);
2154
2155         kfree(cmd);
2156
2157         if (ret < 0)
2158                 return ret;
2159
2160         if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
2161                 ret = -EIO;
2162                 goto out;
2163         }
2164
2165         rsp = (void *)hcmd.resp_pkt->data;
2166         if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2167                 ret = -ENXIO;
2168                 goto out;
2169         }
2170
2171         ret = data_size;
2172         *ppos += ret;
2173
2174 out:
2175         iwl_free_resp(&hcmd);
2176         return ret;
2177 }
2178
2179 static const struct file_operations iwl_dbgfs_mem_ops = {
2180         .read = iwl_dbgfs_mem_read,
2181         .write = iwl_dbgfs_mem_write,
2182         .open = simple_open,
2183         .llseek = default_llseek,
2184 };
2185
2186 void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw,
2187                                   struct ieee80211_vif *vif,
2188                                   struct ieee80211_link_sta *link_sta,
2189                                   struct dentry *dir)
2190 {
2191         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2192
2193         if (iwl_mvm_has_tlc_offload(mvm)) {
2194                 MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400);
2195         }
2196
2197         MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600);
2198 }
2199
2200 void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
2201 {
2202         struct dentry *bcast_dir __maybe_unused;
2203
2204         spin_lock_init(&mvm->drv_stats_lock);
2205
2206         MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2207         MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
2208         MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2209         MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2210         MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
2211         MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
2212         MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
2213         MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
2214         MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
2215         MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400);
2216         MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400);
2217         MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2218         MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
2219         MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2220         MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2221         MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2222         MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2223         MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
2224         MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
2225         MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2226         MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2227         MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2228         MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
2229         MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
2230         MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2231         MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2232         MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2233         MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2234         MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2235         MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
2236
2237         if (mvm->fw->phy_integration_ver)
2238                 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
2239         MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
2240 #ifdef CONFIG_ACPI
2241         MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
2242         MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400);
2243 #endif
2244         MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2245
2246         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2247                 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2248
2249         debugfs_create_bool("enable_scan_iteration_notif", 0600,
2250                             mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2251         debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2252                             &mvm->drop_bcn_ap_mode);
2253
2254         MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2255
2256 #ifdef CONFIG_PM_SLEEP
2257         MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2258         debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2259                             &mvm->d3_wake_sysassert);
2260         debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2261                            &mvm->last_netdetect_scans);
2262 #endif
2263
2264         debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2265                           &mvm->ps_disabled);
2266         debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2267                             &mvm->nvm_hw_blob);
2268         debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2269                             &mvm->nvm_sw_blob);
2270         debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2271                             &mvm->nvm_calib_blob);
2272         debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2273                             &mvm->nvm_prod_blob);
2274         debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2275                             &mvm->nvm_phy_sku_blob);
2276         debugfs_create_blob("nvm_reg", S_IRUSR,
2277                             mvm->debugfs_dir, &mvm->nvm_reg_blob);
2278
2279         debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
2280                             &iwl_dbgfs_mem_ops);
2281
2282         /*
2283          * Create a symlink with mac80211. It will be removed when mac80211
2284          * exists (before the opmode exists which removes the target.)
2285          */
2286         if (!IS_ERR(mvm->debugfs_dir)) {
2287                 char buf[100];
2288
2289                 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
2290                 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir,
2291                                        buf);
2292         }
2293 }