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