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