1 /****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. 6 * Copyright (C) 2018 Intel Corporation 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of version 2 of the GNU General Public License as 10 * published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 * 17 * The full GNU General Public License is included in this distribution 18 * in the file called COPYING. 19 * 20 * Contact Information: 21 * Intel Linux Wireless <linuxwifi@intel.com> 22 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 23 *****************************************************************************/ 24 25 #include <linux/slab.h> 26 #include <linux/kernel.h> 27 #include <linux/module.h> 28 #include <linux/debugfs.h> 29 #include <linux/ieee80211.h> 30 #include <net/mac80211.h> 31 32 #include "iwl-debug.h" 33 #include "iwl-trans.h" 34 #include "iwl-io.h" 35 #include "dev.h" 36 #include "agn.h" 37 38 /* create and remove of files */ 39 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 40 debugfs_create_file(#name, mode, parent, priv, \ 41 &iwl_dbgfs_##name##_ops); \ 42 } while (0) 43 44 /* file operation */ 45 #define DEBUGFS_READ_FILE_OPS(name) \ 46 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 47 .read = iwl_dbgfs_##name##_read, \ 48 .open = simple_open, \ 49 .llseek = generic_file_llseek, \ 50 }; 51 52 #define DEBUGFS_WRITE_FILE_OPS(name) \ 53 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 54 .write = iwl_dbgfs_##name##_write, \ 55 .open = simple_open, \ 56 .llseek = generic_file_llseek, \ 57 }; 58 59 60 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 61 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 62 .write = iwl_dbgfs_##name##_write, \ 63 .read = iwl_dbgfs_##name##_read, \ 64 .open = simple_open, \ 65 .llseek = generic_file_llseek, \ 66 }; 67 68 static ssize_t iwl_dbgfs_sram_read(struct file *file, 69 char __user *user_buf, 70 size_t count, loff_t *ppos) 71 { 72 u32 val = 0; 73 char *buf; 74 ssize_t ret; 75 int i = 0; 76 bool device_format = false; 77 int offset = 0; 78 int len = 0; 79 int pos = 0; 80 int sram; 81 struct iwl_priv *priv = file->private_data; 82 const struct fw_img *img; 83 size_t bufsz; 84 85 if (!iwl_is_ready_rf(priv)) 86 return -EAGAIN; 87 88 /* default is to dump the entire data segment */ 89 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 90 priv->dbgfs_sram_offset = 0x800000; 91 if (!priv->ucode_loaded) 92 return -EINVAL; 93 img = &priv->fw->img[priv->cur_ucode]; 94 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 95 } 96 len = priv->dbgfs_sram_len; 97 98 if (len == -4) { 99 device_format = true; 100 len = 4; 101 } 102 103 bufsz = 50 + len * 4; 104 buf = kmalloc(bufsz, GFP_KERNEL); 105 if (!buf) 106 return -ENOMEM; 107 108 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 109 len); 110 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 111 priv->dbgfs_sram_offset); 112 113 /* adjust sram address since reads are only on even u32 boundaries */ 114 offset = priv->dbgfs_sram_offset & 0x3; 115 sram = priv->dbgfs_sram_offset & ~0x3; 116 117 /* read the first u32 from sram */ 118 val = iwl_trans_read_mem32(priv->trans, sram); 119 120 for (; len; len--) { 121 /* put the address at the start of every line */ 122 if (i == 0) 123 pos += scnprintf(buf + pos, bufsz - pos, 124 "%08X: ", sram + offset); 125 126 if (device_format) 127 pos += scnprintf(buf + pos, bufsz - pos, 128 "%02x", (val >> (8 * (3 - offset))) & 0xff); 129 else 130 pos += scnprintf(buf + pos, bufsz - pos, 131 "%02x ", (val >> (8 * offset)) & 0xff); 132 133 /* if all bytes processed, read the next u32 from sram */ 134 if (++offset == 4) { 135 sram += 4; 136 offset = 0; 137 val = iwl_trans_read_mem32(priv->trans, sram); 138 } 139 140 /* put in extra spaces and split lines for human readability */ 141 if (++i == 16) { 142 i = 0; 143 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 144 } else if (!(i & 7)) { 145 pos += scnprintf(buf + pos, bufsz - pos, " "); 146 } else if (!(i & 3)) { 147 pos += scnprintf(buf + pos, bufsz - pos, " "); 148 } 149 } 150 if (i) 151 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 152 153 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 154 kfree(buf); 155 return ret; 156 } 157 158 static ssize_t iwl_dbgfs_sram_write(struct file *file, 159 const char __user *user_buf, 160 size_t count, loff_t *ppos) 161 { 162 struct iwl_priv *priv = file->private_data; 163 char buf[64]; 164 int buf_size; 165 u32 offset, len; 166 167 memset(buf, 0, sizeof(buf)); 168 buf_size = min(count, sizeof(buf) - 1); 169 if (copy_from_user(buf, user_buf, buf_size)) 170 return -EFAULT; 171 172 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 173 priv->dbgfs_sram_offset = offset; 174 priv->dbgfs_sram_len = len; 175 } else if (sscanf(buf, "%x", &offset) == 1) { 176 priv->dbgfs_sram_offset = offset; 177 priv->dbgfs_sram_len = -4; 178 } else { 179 priv->dbgfs_sram_offset = 0; 180 priv->dbgfs_sram_len = 0; 181 } 182 183 return count; 184 } 185 186 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 187 char __user *user_buf, 188 size_t count, loff_t *ppos) 189 { 190 struct iwl_priv *priv = file->private_data; 191 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; 192 193 if (!priv->wowlan_sram) 194 return -ENODATA; 195 196 return simple_read_from_buffer(user_buf, count, ppos, 197 priv->wowlan_sram, 198 img->sec[IWL_UCODE_SECTION_DATA].len); 199 } 200 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 201 size_t count, loff_t *ppos) 202 { 203 struct iwl_priv *priv = file->private_data; 204 struct iwl_station_entry *station; 205 struct iwl_tid_data *tid_data; 206 char *buf; 207 int i, j, pos = 0; 208 ssize_t ret; 209 /* Add 30 for initial string */ 210 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 211 212 buf = kmalloc(bufsz, GFP_KERNEL); 213 if (!buf) 214 return -ENOMEM; 215 216 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 217 priv->num_stations); 218 219 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 220 station = &priv->stations[i]; 221 if (!station->used) 222 continue; 223 pos += scnprintf(buf + pos, bufsz - pos, 224 "station %d - addr: %pM, flags: %#x\n", 225 i, station->sta.sta.addr, 226 station->sta.station_flags_msk); 227 pos += scnprintf(buf + pos, bufsz - pos, 228 "TID seqno next_rclmd " 229 "rate_n_flags state txq\n"); 230 231 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 232 tid_data = &priv->tid_data[i][j]; 233 pos += scnprintf(buf + pos, bufsz - pos, 234 "%d: 0x%.4x 0x%.4x 0x%.8x " 235 "%d %.2d", 236 j, tid_data->seq_number, 237 tid_data->next_reclaimed, 238 tid_data->agg.rate_n_flags, 239 tid_data->agg.state, 240 tid_data->agg.txq_id); 241 242 if (tid_data->agg.wait_for_ba) 243 pos += scnprintf(buf + pos, bufsz - pos, 244 " - waitforba"); 245 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 246 } 247 248 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 249 } 250 251 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 252 kfree(buf); 253 return ret; 254 } 255 256 static ssize_t iwl_dbgfs_nvm_read(struct file *file, 257 char __user *user_buf, 258 size_t count, 259 loff_t *ppos) 260 { 261 ssize_t ret; 262 struct iwl_priv *priv = file->private_data; 263 int pos = 0, ofs = 0, buf_size = 0; 264 const u8 *ptr; 265 char *buf; 266 u16 nvm_ver; 267 size_t eeprom_len = priv->eeprom_blob_size; 268 buf_size = 4 * eeprom_len + 256; 269 270 if (eeprom_len % 16) 271 return -ENODATA; 272 273 ptr = priv->eeprom_blob; 274 if (!ptr) 275 return -ENOMEM; 276 277 /* 4 characters for byte 0xYY */ 278 buf = kzalloc(buf_size, GFP_KERNEL); 279 if (!buf) 280 return -ENOMEM; 281 282 nvm_ver = priv->nvm_data->nvm_version; 283 pos += scnprintf(buf + pos, buf_size - pos, 284 "NVM version: 0x%x\n", nvm_ver); 285 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 286 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n", 287 ofs, ptr + ofs); 288 } 289 290 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 291 kfree(buf); 292 return ret; 293 } 294 295 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 296 size_t count, loff_t *ppos) 297 { 298 struct iwl_priv *priv = file->private_data; 299 struct ieee80211_channel *channels = NULL; 300 const struct ieee80211_supported_band *supp_band = NULL; 301 int pos = 0, i, bufsz = PAGE_SIZE; 302 char *buf; 303 ssize_t ret; 304 305 buf = kzalloc(bufsz, GFP_KERNEL); 306 if (!buf) 307 return -ENOMEM; 308 309 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_2GHZ); 310 if (supp_band) { 311 channels = supp_band->channels; 312 313 pos += scnprintf(buf + pos, bufsz - pos, 314 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 315 supp_band->n_channels); 316 317 for (i = 0; i < supp_band->n_channels; i++) 318 pos += scnprintf(buf + pos, bufsz - pos, 319 "%d: %ddBm: BSS%s%s, %s.\n", 320 channels[i].hw_value, 321 channels[i].max_power, 322 channels[i].flags & IEEE80211_CHAN_RADAR ? 323 " (IEEE 802.11h required)" : "", 324 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 325 || (channels[i].flags & 326 IEEE80211_CHAN_RADAR)) ? "" : 327 ", IBSS", 328 channels[i].flags & 329 IEEE80211_CHAN_NO_IR ? 330 "passive only" : "active/passive"); 331 } 332 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_5GHZ); 333 if (supp_band) { 334 channels = supp_band->channels; 335 336 pos += scnprintf(buf + pos, bufsz - pos, 337 "Displaying %d channels in 5.2GHz band (802.11a)\n", 338 supp_band->n_channels); 339 340 for (i = 0; i < supp_band->n_channels; i++) 341 pos += scnprintf(buf + pos, bufsz - pos, 342 "%d: %ddBm: BSS%s%s, %s.\n", 343 channels[i].hw_value, 344 channels[i].max_power, 345 channels[i].flags & IEEE80211_CHAN_RADAR ? 346 " (IEEE 802.11h required)" : "", 347 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 348 || (channels[i].flags & 349 IEEE80211_CHAN_RADAR)) ? "" : 350 ", IBSS", 351 channels[i].flags & 352 IEEE80211_CHAN_NO_IR ? 353 "passive only" : "active/passive"); 354 } 355 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 356 kfree(buf); 357 return ret; 358 } 359 360 static ssize_t iwl_dbgfs_status_read(struct file *file, 361 char __user *user_buf, 362 size_t count, loff_t *ppos) { 363 364 struct iwl_priv *priv = file->private_data; 365 char buf[512]; 366 int pos = 0; 367 const size_t bufsz = sizeof(buf); 368 369 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 370 test_bit(STATUS_RF_KILL_HW, &priv->status)); 371 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 372 test_bit(STATUS_CT_KILL, &priv->status)); 373 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 374 test_bit(STATUS_ALIVE, &priv->status)); 375 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 376 test_bit(STATUS_READY, &priv->status)); 377 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 378 test_bit(STATUS_EXIT_PENDING, &priv->status)); 379 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 380 test_bit(STATUS_STATISTICS, &priv->status)); 381 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 382 test_bit(STATUS_SCANNING, &priv->status)); 383 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 384 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 385 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 386 test_bit(STATUS_SCAN_HW, &priv->status)); 387 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 388 test_bit(STATUS_POWER_PMI, &priv->status)); 389 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 390 test_bit(STATUS_FW_ERROR, &priv->status)); 391 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 392 } 393 394 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 395 char __user *user_buf, 396 size_t count, loff_t *ppos) { 397 398 struct iwl_priv *priv = file->private_data; 399 400 int pos = 0; 401 int cnt = 0; 402 char *buf; 403 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 404 ssize_t ret; 405 406 buf = kzalloc(bufsz, GFP_KERNEL); 407 if (!buf) 408 return -ENOMEM; 409 410 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 411 if (priv->rx_handlers_stats[cnt] > 0) 412 pos += scnprintf(buf + pos, bufsz - pos, 413 "\tRx handler[%36s]:\t\t %u\n", 414 iwl_get_cmd_string(priv->trans, (u32)cnt), 415 priv->rx_handlers_stats[cnt]); 416 } 417 418 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 419 kfree(buf); 420 return ret; 421 } 422 423 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 424 const char __user *user_buf, 425 size_t count, loff_t *ppos) 426 { 427 struct iwl_priv *priv = file->private_data; 428 429 char buf[8]; 430 int buf_size; 431 u32 reset_flag; 432 433 memset(buf, 0, sizeof(buf)); 434 buf_size = min(count, sizeof(buf) - 1); 435 if (copy_from_user(buf, user_buf, buf_size)) 436 return -EFAULT; 437 if (sscanf(buf, "%x", &reset_flag) != 1) 438 return -EFAULT; 439 if (reset_flag == 0) 440 memset(&priv->rx_handlers_stats[0], 0, 441 sizeof(priv->rx_handlers_stats)); 442 443 return count; 444 } 445 446 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 447 size_t count, loff_t *ppos) 448 { 449 struct iwl_priv *priv = file->private_data; 450 struct iwl_rxon_context *ctx; 451 int pos = 0, i; 452 char buf[256 * NUM_IWL_RXON_CTX]; 453 const size_t bufsz = sizeof(buf); 454 455 for_each_context(priv, ctx) { 456 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 457 ctx->ctxid); 458 for (i = 0; i < AC_NUM; i++) { 459 pos += scnprintf(buf + pos, bufsz - pos, 460 "\tcw_min\tcw_max\taifsn\ttxop\n"); 461 pos += scnprintf(buf + pos, bufsz - pos, 462 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 463 ctx->qos_data.def_qos_parm.ac[i].cw_min, 464 ctx->qos_data.def_qos_parm.ac[i].cw_max, 465 ctx->qos_data.def_qos_parm.ac[i].aifsn, 466 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 467 } 468 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 469 } 470 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 471 } 472 473 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 474 char __user *user_buf, 475 size_t count, loff_t *ppos) 476 { 477 struct iwl_priv *priv = file->private_data; 478 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 479 struct iwl_tt_restriction *restriction; 480 char buf[100]; 481 int pos = 0; 482 const size_t bufsz = sizeof(buf); 483 484 pos += scnprintf(buf + pos, bufsz - pos, 485 "Thermal Throttling Mode: %s\n", 486 tt->advanced_tt ? "Advance" : "Legacy"); 487 pos += scnprintf(buf + pos, bufsz - pos, 488 "Thermal Throttling State: %d\n", 489 tt->state); 490 if (tt->advanced_tt) { 491 restriction = tt->restriction + tt->state; 492 pos += scnprintf(buf + pos, bufsz - pos, 493 "Tx mode: %d\n", 494 restriction->tx_stream); 495 pos += scnprintf(buf + pos, bufsz - pos, 496 "Rx mode: %d\n", 497 restriction->rx_stream); 498 pos += scnprintf(buf + pos, bufsz - pos, 499 "HT mode: %d\n", 500 restriction->is_ht); 501 } 502 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 503 } 504 505 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 506 const char __user *user_buf, 507 size_t count, loff_t *ppos) 508 { 509 struct iwl_priv *priv = file->private_data; 510 char buf[8]; 511 int buf_size; 512 int ht40; 513 514 memset(buf, 0, sizeof(buf)); 515 buf_size = min(count, sizeof(buf) - 1); 516 if (copy_from_user(buf, user_buf, buf_size)) 517 return -EFAULT; 518 if (sscanf(buf, "%d", &ht40) != 1) 519 return -EFAULT; 520 if (!iwl_is_any_associated(priv)) 521 priv->disable_ht40 = ht40 ? true : false; 522 else 523 return -EINVAL; 524 525 return count; 526 } 527 528 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 529 char __user *user_buf, 530 size_t count, loff_t *ppos) 531 { 532 struct iwl_priv *priv = file->private_data; 533 char buf[100]; 534 int pos = 0; 535 const size_t bufsz = sizeof(buf); 536 537 pos += scnprintf(buf + pos, bufsz - pos, 538 "11n 40MHz Mode: %s\n", 539 priv->disable_ht40 ? "Disabled" : "Enabled"); 540 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 541 } 542 543 static ssize_t iwl_dbgfs_temperature_read(struct file *file, 544 char __user *user_buf, 545 size_t count, loff_t *ppos) 546 { 547 struct iwl_priv *priv = file->private_data; 548 char buf[8]; 549 int pos = 0; 550 const size_t bufsz = sizeof(buf); 551 552 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 553 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 554 } 555 556 557 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 558 const char __user *user_buf, 559 size_t count, loff_t *ppos) 560 { 561 struct iwl_priv *priv = file->private_data; 562 char buf[8]; 563 int buf_size; 564 int value; 565 566 memset(buf, 0, sizeof(buf)); 567 buf_size = min(count, sizeof(buf) - 1); 568 if (copy_from_user(buf, user_buf, buf_size)) 569 return -EFAULT; 570 571 if (sscanf(buf, "%d", &value) != 1) 572 return -EINVAL; 573 574 /* 575 * Our users expect 0 to be "CAM", but 0 isn't actually 576 * valid here. However, let's not confuse them and present 577 * IWL_POWER_INDEX_1 as "1", not "0". 578 */ 579 if (value == 0) 580 return -EINVAL; 581 else if (value > 0) 582 value -= 1; 583 584 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 585 return -EINVAL; 586 587 if (!iwl_is_ready_rf(priv)) 588 return -EAGAIN; 589 590 priv->power_data.debug_sleep_level_override = value; 591 592 mutex_lock(&priv->mutex); 593 iwl_power_update_mode(priv, true); 594 mutex_unlock(&priv->mutex); 595 596 return count; 597 } 598 599 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 600 char __user *user_buf, 601 size_t count, loff_t *ppos) 602 { 603 struct iwl_priv *priv = file->private_data; 604 char buf[10]; 605 int pos, value; 606 const size_t bufsz = sizeof(buf); 607 608 /* see the write function */ 609 value = priv->power_data.debug_sleep_level_override; 610 if (value >= 0) 611 value += 1; 612 613 pos = scnprintf(buf, bufsz, "%d\n", value); 614 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 615 } 616 617 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 618 char __user *user_buf, 619 size_t count, loff_t *ppos) 620 { 621 struct iwl_priv *priv = file->private_data; 622 char buf[200]; 623 int pos = 0, i; 624 const size_t bufsz = sizeof(buf); 625 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 626 627 pos += scnprintf(buf + pos, bufsz - pos, 628 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 629 pos += scnprintf(buf + pos, bufsz - pos, 630 "RX/TX timeout: %d/%d usec\n", 631 le32_to_cpu(cmd->rx_data_timeout), 632 le32_to_cpu(cmd->tx_data_timeout)); 633 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 634 pos += scnprintf(buf + pos, bufsz - pos, 635 "sleep_interval[%d]: %d\n", i, 636 le32_to_cpu(cmd->sleep_interval[i])); 637 638 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 639 } 640 641 DEBUGFS_READ_WRITE_FILE_OPS(sram); 642 DEBUGFS_READ_FILE_OPS(wowlan_sram); 643 DEBUGFS_READ_FILE_OPS(nvm); 644 DEBUGFS_READ_FILE_OPS(stations); 645 DEBUGFS_READ_FILE_OPS(channels); 646 DEBUGFS_READ_FILE_OPS(status); 647 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 648 DEBUGFS_READ_FILE_OPS(qos); 649 DEBUGFS_READ_FILE_OPS(thermal_throttling); 650 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 651 DEBUGFS_READ_FILE_OPS(temperature); 652 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 653 DEBUGFS_READ_FILE_OPS(current_sleep_command); 654 655 #define fmt_value " %-30s %10u\n" 656 #define fmt_hex " %-30s 0x%02X\n" 657 #define fmt_table " %-30s %10u %10u %10u %10u\n" 658 #define fmt_header "%-32s current cumulative delta max\n" 659 660 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 661 { 662 int p = 0; 663 u32 flag; 664 665 lockdep_assert_held(&priv->statistics.lock); 666 667 flag = le32_to_cpu(priv->statistics.flag); 668 669 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 670 if (flag & UCODE_STATISTICS_CLEAR_MSK) 671 p += scnprintf(buf + p, bufsz - p, 672 "\tStatistics have been cleared\n"); 673 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 674 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 675 ? "2.4 GHz" : "5.2 GHz"); 676 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 677 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 678 ? "enabled" : "disabled"); 679 680 return p; 681 } 682 683 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 684 char __user *user_buf, 685 size_t count, loff_t *ppos) 686 { 687 struct iwl_priv *priv = file->private_data; 688 int pos = 0; 689 char *buf; 690 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 691 sizeof(struct statistics_rx_non_phy) * 40 + 692 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 693 ssize_t ret; 694 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 695 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 696 struct statistics_rx_non_phy *general, *accum_general; 697 struct statistics_rx_non_phy *delta_general, *max_general; 698 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 699 700 if (!iwl_is_alive(priv)) 701 return -EAGAIN; 702 703 buf = kzalloc(bufsz, GFP_KERNEL); 704 if (!buf) 705 return -ENOMEM; 706 707 /* 708 * the statistic information display here is based on 709 * the last statistics notification from uCode 710 * might not reflect the current uCode activity 711 */ 712 spin_lock_bh(&priv->statistics.lock); 713 ofdm = &priv->statistics.rx_ofdm; 714 cck = &priv->statistics.rx_cck; 715 general = &priv->statistics.rx_non_phy; 716 ht = &priv->statistics.rx_ofdm_ht; 717 accum_ofdm = &priv->accum_stats.rx_ofdm; 718 accum_cck = &priv->accum_stats.rx_cck; 719 accum_general = &priv->accum_stats.rx_non_phy; 720 accum_ht = &priv->accum_stats.rx_ofdm_ht; 721 delta_ofdm = &priv->delta_stats.rx_ofdm; 722 delta_cck = &priv->delta_stats.rx_cck; 723 delta_general = &priv->delta_stats.rx_non_phy; 724 delta_ht = &priv->delta_stats.rx_ofdm_ht; 725 max_ofdm = &priv->max_delta_stats.rx_ofdm; 726 max_cck = &priv->max_delta_stats.rx_cck; 727 max_general = &priv->max_delta_stats.rx_non_phy; 728 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 729 730 pos += iwl_statistics_flag(priv, buf, bufsz); 731 pos += scnprintf(buf + pos, bufsz - pos, 732 fmt_header, "Statistics_Rx - OFDM:"); 733 pos += scnprintf(buf + pos, bufsz - pos, 734 fmt_table, "ina_cnt:", 735 le32_to_cpu(ofdm->ina_cnt), 736 accum_ofdm->ina_cnt, 737 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 738 pos += scnprintf(buf + pos, bufsz - pos, 739 fmt_table, "fina_cnt:", 740 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 741 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 742 pos += scnprintf(buf + pos, bufsz - pos, 743 fmt_table, "plcp_err:", 744 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 745 delta_ofdm->plcp_err, max_ofdm->plcp_err); 746 pos += scnprintf(buf + pos, bufsz - pos, 747 fmt_table, "crc32_err:", 748 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 749 delta_ofdm->crc32_err, max_ofdm->crc32_err); 750 pos += scnprintf(buf + pos, bufsz - pos, 751 fmt_table, "overrun_err:", 752 le32_to_cpu(ofdm->overrun_err), 753 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 754 max_ofdm->overrun_err); 755 pos += scnprintf(buf + pos, bufsz - pos, 756 fmt_table, "early_overrun_err:", 757 le32_to_cpu(ofdm->early_overrun_err), 758 accum_ofdm->early_overrun_err, 759 delta_ofdm->early_overrun_err, 760 max_ofdm->early_overrun_err); 761 pos += scnprintf(buf + pos, bufsz - pos, 762 fmt_table, "crc32_good:", 763 le32_to_cpu(ofdm->crc32_good), 764 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 765 max_ofdm->crc32_good); 766 pos += scnprintf(buf + pos, bufsz - pos, 767 fmt_table, "false_alarm_cnt:", 768 le32_to_cpu(ofdm->false_alarm_cnt), 769 accum_ofdm->false_alarm_cnt, 770 delta_ofdm->false_alarm_cnt, 771 max_ofdm->false_alarm_cnt); 772 pos += scnprintf(buf + pos, bufsz - pos, 773 fmt_table, "fina_sync_err_cnt:", 774 le32_to_cpu(ofdm->fina_sync_err_cnt), 775 accum_ofdm->fina_sync_err_cnt, 776 delta_ofdm->fina_sync_err_cnt, 777 max_ofdm->fina_sync_err_cnt); 778 pos += scnprintf(buf + pos, bufsz - pos, 779 fmt_table, "sfd_timeout:", 780 le32_to_cpu(ofdm->sfd_timeout), 781 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 782 max_ofdm->sfd_timeout); 783 pos += scnprintf(buf + pos, bufsz - pos, 784 fmt_table, "fina_timeout:", 785 le32_to_cpu(ofdm->fina_timeout), 786 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 787 max_ofdm->fina_timeout); 788 pos += scnprintf(buf + pos, bufsz - pos, 789 fmt_table, "unresponded_rts:", 790 le32_to_cpu(ofdm->unresponded_rts), 791 accum_ofdm->unresponded_rts, 792 delta_ofdm->unresponded_rts, 793 max_ofdm->unresponded_rts); 794 pos += scnprintf(buf + pos, bufsz - pos, 795 fmt_table, "rxe_frame_lmt_ovrun:", 796 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 797 accum_ofdm->rxe_frame_limit_overrun, 798 delta_ofdm->rxe_frame_limit_overrun, 799 max_ofdm->rxe_frame_limit_overrun); 800 pos += scnprintf(buf + pos, bufsz - pos, 801 fmt_table, "sent_ack_cnt:", 802 le32_to_cpu(ofdm->sent_ack_cnt), 803 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 804 max_ofdm->sent_ack_cnt); 805 pos += scnprintf(buf + pos, bufsz - pos, 806 fmt_table, "sent_cts_cnt:", 807 le32_to_cpu(ofdm->sent_cts_cnt), 808 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 809 max_ofdm->sent_cts_cnt); 810 pos += scnprintf(buf + pos, bufsz - pos, 811 fmt_table, "sent_ba_rsp_cnt:", 812 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 813 accum_ofdm->sent_ba_rsp_cnt, 814 delta_ofdm->sent_ba_rsp_cnt, 815 max_ofdm->sent_ba_rsp_cnt); 816 pos += scnprintf(buf + pos, bufsz - pos, 817 fmt_table, "dsp_self_kill:", 818 le32_to_cpu(ofdm->dsp_self_kill), 819 accum_ofdm->dsp_self_kill, 820 delta_ofdm->dsp_self_kill, 821 max_ofdm->dsp_self_kill); 822 pos += scnprintf(buf + pos, bufsz - pos, 823 fmt_table, "mh_format_err:", 824 le32_to_cpu(ofdm->mh_format_err), 825 accum_ofdm->mh_format_err, 826 delta_ofdm->mh_format_err, 827 max_ofdm->mh_format_err); 828 pos += scnprintf(buf + pos, bufsz - pos, 829 fmt_table, "re_acq_main_rssi_sum:", 830 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 831 accum_ofdm->re_acq_main_rssi_sum, 832 delta_ofdm->re_acq_main_rssi_sum, 833 max_ofdm->re_acq_main_rssi_sum); 834 835 pos += scnprintf(buf + pos, bufsz - pos, 836 fmt_header, "Statistics_Rx - CCK:"); 837 pos += scnprintf(buf + pos, bufsz - pos, 838 fmt_table, "ina_cnt:", 839 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 840 delta_cck->ina_cnt, max_cck->ina_cnt); 841 pos += scnprintf(buf + pos, bufsz - pos, 842 fmt_table, "fina_cnt:", 843 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 844 delta_cck->fina_cnt, max_cck->fina_cnt); 845 pos += scnprintf(buf + pos, bufsz - pos, 846 fmt_table, "plcp_err:", 847 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 848 delta_cck->plcp_err, max_cck->plcp_err); 849 pos += scnprintf(buf + pos, bufsz - pos, 850 fmt_table, "crc32_err:", 851 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 852 delta_cck->crc32_err, max_cck->crc32_err); 853 pos += scnprintf(buf + pos, bufsz - pos, 854 fmt_table, "overrun_err:", 855 le32_to_cpu(cck->overrun_err), 856 accum_cck->overrun_err, delta_cck->overrun_err, 857 max_cck->overrun_err); 858 pos += scnprintf(buf + pos, bufsz - pos, 859 fmt_table, "early_overrun_err:", 860 le32_to_cpu(cck->early_overrun_err), 861 accum_cck->early_overrun_err, 862 delta_cck->early_overrun_err, 863 max_cck->early_overrun_err); 864 pos += scnprintf(buf + pos, bufsz - pos, 865 fmt_table, "crc32_good:", 866 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 867 delta_cck->crc32_good, max_cck->crc32_good); 868 pos += scnprintf(buf + pos, bufsz - pos, 869 fmt_table, "false_alarm_cnt:", 870 le32_to_cpu(cck->false_alarm_cnt), 871 accum_cck->false_alarm_cnt, 872 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 873 pos += scnprintf(buf + pos, bufsz - pos, 874 fmt_table, "fina_sync_err_cnt:", 875 le32_to_cpu(cck->fina_sync_err_cnt), 876 accum_cck->fina_sync_err_cnt, 877 delta_cck->fina_sync_err_cnt, 878 max_cck->fina_sync_err_cnt); 879 pos += scnprintf(buf + pos, bufsz - pos, 880 fmt_table, "sfd_timeout:", 881 le32_to_cpu(cck->sfd_timeout), 882 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 883 max_cck->sfd_timeout); 884 pos += scnprintf(buf + pos, bufsz - pos, 885 fmt_table, "fina_timeout:", 886 le32_to_cpu(cck->fina_timeout), 887 accum_cck->fina_timeout, delta_cck->fina_timeout, 888 max_cck->fina_timeout); 889 pos += scnprintf(buf + pos, bufsz - pos, 890 fmt_table, "unresponded_rts:", 891 le32_to_cpu(cck->unresponded_rts), 892 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 893 max_cck->unresponded_rts); 894 pos += scnprintf(buf + pos, bufsz - pos, 895 fmt_table, "rxe_frame_lmt_ovrun:", 896 le32_to_cpu(cck->rxe_frame_limit_overrun), 897 accum_cck->rxe_frame_limit_overrun, 898 delta_cck->rxe_frame_limit_overrun, 899 max_cck->rxe_frame_limit_overrun); 900 pos += scnprintf(buf + pos, bufsz - pos, 901 fmt_table, "sent_ack_cnt:", 902 le32_to_cpu(cck->sent_ack_cnt), 903 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 904 max_cck->sent_ack_cnt); 905 pos += scnprintf(buf + pos, bufsz - pos, 906 fmt_table, "sent_cts_cnt:", 907 le32_to_cpu(cck->sent_cts_cnt), 908 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 909 max_cck->sent_cts_cnt); 910 pos += scnprintf(buf + pos, bufsz - pos, 911 fmt_table, "sent_ba_rsp_cnt:", 912 le32_to_cpu(cck->sent_ba_rsp_cnt), 913 accum_cck->sent_ba_rsp_cnt, 914 delta_cck->sent_ba_rsp_cnt, 915 max_cck->sent_ba_rsp_cnt); 916 pos += scnprintf(buf + pos, bufsz - pos, 917 fmt_table, "dsp_self_kill:", 918 le32_to_cpu(cck->dsp_self_kill), 919 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 920 max_cck->dsp_self_kill); 921 pos += scnprintf(buf + pos, bufsz - pos, 922 fmt_table, "mh_format_err:", 923 le32_to_cpu(cck->mh_format_err), 924 accum_cck->mh_format_err, delta_cck->mh_format_err, 925 max_cck->mh_format_err); 926 pos += scnprintf(buf + pos, bufsz - pos, 927 fmt_table, "re_acq_main_rssi_sum:", 928 le32_to_cpu(cck->re_acq_main_rssi_sum), 929 accum_cck->re_acq_main_rssi_sum, 930 delta_cck->re_acq_main_rssi_sum, 931 max_cck->re_acq_main_rssi_sum); 932 933 pos += scnprintf(buf + pos, bufsz - pos, 934 fmt_header, "Statistics_Rx - GENERAL:"); 935 pos += scnprintf(buf + pos, bufsz - pos, 936 fmt_table, "bogus_cts:", 937 le32_to_cpu(general->bogus_cts), 938 accum_general->bogus_cts, delta_general->bogus_cts, 939 max_general->bogus_cts); 940 pos += scnprintf(buf + pos, bufsz - pos, 941 fmt_table, "bogus_ack:", 942 le32_to_cpu(general->bogus_ack), 943 accum_general->bogus_ack, delta_general->bogus_ack, 944 max_general->bogus_ack); 945 pos += scnprintf(buf + pos, bufsz - pos, 946 fmt_table, "non_bssid_frames:", 947 le32_to_cpu(general->non_bssid_frames), 948 accum_general->non_bssid_frames, 949 delta_general->non_bssid_frames, 950 max_general->non_bssid_frames); 951 pos += scnprintf(buf + pos, bufsz - pos, 952 fmt_table, "filtered_frames:", 953 le32_to_cpu(general->filtered_frames), 954 accum_general->filtered_frames, 955 delta_general->filtered_frames, 956 max_general->filtered_frames); 957 pos += scnprintf(buf + pos, bufsz - pos, 958 fmt_table, "non_channel_beacons:", 959 le32_to_cpu(general->non_channel_beacons), 960 accum_general->non_channel_beacons, 961 delta_general->non_channel_beacons, 962 max_general->non_channel_beacons); 963 pos += scnprintf(buf + pos, bufsz - pos, 964 fmt_table, "channel_beacons:", 965 le32_to_cpu(general->channel_beacons), 966 accum_general->channel_beacons, 967 delta_general->channel_beacons, 968 max_general->channel_beacons); 969 pos += scnprintf(buf + pos, bufsz - pos, 970 fmt_table, "num_missed_bcon:", 971 le32_to_cpu(general->num_missed_bcon), 972 accum_general->num_missed_bcon, 973 delta_general->num_missed_bcon, 974 max_general->num_missed_bcon); 975 pos += scnprintf(buf + pos, bufsz - pos, 976 fmt_table, "adc_rx_saturation_time:", 977 le32_to_cpu(general->adc_rx_saturation_time), 978 accum_general->adc_rx_saturation_time, 979 delta_general->adc_rx_saturation_time, 980 max_general->adc_rx_saturation_time); 981 pos += scnprintf(buf + pos, bufsz - pos, 982 fmt_table, "ina_detect_search_tm:", 983 le32_to_cpu(general->ina_detection_search_time), 984 accum_general->ina_detection_search_time, 985 delta_general->ina_detection_search_time, 986 max_general->ina_detection_search_time); 987 pos += scnprintf(buf + pos, bufsz - pos, 988 fmt_table, "beacon_silence_rssi_a:", 989 le32_to_cpu(general->beacon_silence_rssi_a), 990 accum_general->beacon_silence_rssi_a, 991 delta_general->beacon_silence_rssi_a, 992 max_general->beacon_silence_rssi_a); 993 pos += scnprintf(buf + pos, bufsz - pos, 994 fmt_table, "beacon_silence_rssi_b:", 995 le32_to_cpu(general->beacon_silence_rssi_b), 996 accum_general->beacon_silence_rssi_b, 997 delta_general->beacon_silence_rssi_b, 998 max_general->beacon_silence_rssi_b); 999 pos += scnprintf(buf + pos, bufsz - pos, 1000 fmt_table, "beacon_silence_rssi_c:", 1001 le32_to_cpu(general->beacon_silence_rssi_c), 1002 accum_general->beacon_silence_rssi_c, 1003 delta_general->beacon_silence_rssi_c, 1004 max_general->beacon_silence_rssi_c); 1005 pos += scnprintf(buf + pos, bufsz - pos, 1006 fmt_table, "interference_data_flag:", 1007 le32_to_cpu(general->interference_data_flag), 1008 accum_general->interference_data_flag, 1009 delta_general->interference_data_flag, 1010 max_general->interference_data_flag); 1011 pos += scnprintf(buf + pos, bufsz - pos, 1012 fmt_table, "channel_load:", 1013 le32_to_cpu(general->channel_load), 1014 accum_general->channel_load, 1015 delta_general->channel_load, 1016 max_general->channel_load); 1017 pos += scnprintf(buf + pos, bufsz - pos, 1018 fmt_table, "dsp_false_alarms:", 1019 le32_to_cpu(general->dsp_false_alarms), 1020 accum_general->dsp_false_alarms, 1021 delta_general->dsp_false_alarms, 1022 max_general->dsp_false_alarms); 1023 pos += scnprintf(buf + pos, bufsz - pos, 1024 fmt_table, "beacon_rssi_a:", 1025 le32_to_cpu(general->beacon_rssi_a), 1026 accum_general->beacon_rssi_a, 1027 delta_general->beacon_rssi_a, 1028 max_general->beacon_rssi_a); 1029 pos += scnprintf(buf + pos, bufsz - pos, 1030 fmt_table, "beacon_rssi_b:", 1031 le32_to_cpu(general->beacon_rssi_b), 1032 accum_general->beacon_rssi_b, 1033 delta_general->beacon_rssi_b, 1034 max_general->beacon_rssi_b); 1035 pos += scnprintf(buf + pos, bufsz - pos, 1036 fmt_table, "beacon_rssi_c:", 1037 le32_to_cpu(general->beacon_rssi_c), 1038 accum_general->beacon_rssi_c, 1039 delta_general->beacon_rssi_c, 1040 max_general->beacon_rssi_c); 1041 pos += scnprintf(buf + pos, bufsz - pos, 1042 fmt_table, "beacon_energy_a:", 1043 le32_to_cpu(general->beacon_energy_a), 1044 accum_general->beacon_energy_a, 1045 delta_general->beacon_energy_a, 1046 max_general->beacon_energy_a); 1047 pos += scnprintf(buf + pos, bufsz - pos, 1048 fmt_table, "beacon_energy_b:", 1049 le32_to_cpu(general->beacon_energy_b), 1050 accum_general->beacon_energy_b, 1051 delta_general->beacon_energy_b, 1052 max_general->beacon_energy_b); 1053 pos += scnprintf(buf + pos, bufsz - pos, 1054 fmt_table, "beacon_energy_c:", 1055 le32_to_cpu(general->beacon_energy_c), 1056 accum_general->beacon_energy_c, 1057 delta_general->beacon_energy_c, 1058 max_general->beacon_energy_c); 1059 1060 pos += scnprintf(buf + pos, bufsz - pos, 1061 fmt_header, "Statistics_Rx - OFDM_HT:"); 1062 pos += scnprintf(buf + pos, bufsz - pos, 1063 fmt_table, "plcp_err:", 1064 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1065 delta_ht->plcp_err, max_ht->plcp_err); 1066 pos += scnprintf(buf + pos, bufsz - pos, 1067 fmt_table, "overrun_err:", 1068 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1069 delta_ht->overrun_err, max_ht->overrun_err); 1070 pos += scnprintf(buf + pos, bufsz - pos, 1071 fmt_table, "early_overrun_err:", 1072 le32_to_cpu(ht->early_overrun_err), 1073 accum_ht->early_overrun_err, 1074 delta_ht->early_overrun_err, 1075 max_ht->early_overrun_err); 1076 pos += scnprintf(buf + pos, bufsz - pos, 1077 fmt_table, "crc32_good:", 1078 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1079 delta_ht->crc32_good, max_ht->crc32_good); 1080 pos += scnprintf(buf + pos, bufsz - pos, 1081 fmt_table, "crc32_err:", 1082 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1083 delta_ht->crc32_err, max_ht->crc32_err); 1084 pos += scnprintf(buf + pos, bufsz - pos, 1085 fmt_table, "mh_format_err:", 1086 le32_to_cpu(ht->mh_format_err), 1087 accum_ht->mh_format_err, 1088 delta_ht->mh_format_err, max_ht->mh_format_err); 1089 pos += scnprintf(buf + pos, bufsz - pos, 1090 fmt_table, "agg_crc32_good:", 1091 le32_to_cpu(ht->agg_crc32_good), 1092 accum_ht->agg_crc32_good, 1093 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1094 pos += scnprintf(buf + pos, bufsz - pos, 1095 fmt_table, "agg_mpdu_cnt:", 1096 le32_to_cpu(ht->agg_mpdu_cnt), 1097 accum_ht->agg_mpdu_cnt, 1098 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1099 pos += scnprintf(buf + pos, bufsz - pos, 1100 fmt_table, "agg_cnt:", 1101 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1102 delta_ht->agg_cnt, max_ht->agg_cnt); 1103 pos += scnprintf(buf + pos, bufsz - pos, 1104 fmt_table, "unsupport_mcs:", 1105 le32_to_cpu(ht->unsupport_mcs), 1106 accum_ht->unsupport_mcs, 1107 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1108 1109 spin_unlock_bh(&priv->statistics.lock); 1110 1111 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1112 kfree(buf); 1113 return ret; 1114 } 1115 1116 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1117 char __user *user_buf, 1118 size_t count, loff_t *ppos) 1119 { 1120 struct iwl_priv *priv = file->private_data; 1121 int pos = 0; 1122 char *buf; 1123 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1124 ssize_t ret; 1125 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1126 1127 if (!iwl_is_alive(priv)) 1128 return -EAGAIN; 1129 1130 buf = kzalloc(bufsz, GFP_KERNEL); 1131 if (!buf) 1132 return -ENOMEM; 1133 1134 /* the statistic information display here is based on 1135 * the last statistics notification from uCode 1136 * might not reflect the current uCode activity 1137 */ 1138 spin_lock_bh(&priv->statistics.lock); 1139 1140 tx = &priv->statistics.tx; 1141 accum_tx = &priv->accum_stats.tx; 1142 delta_tx = &priv->delta_stats.tx; 1143 max_tx = &priv->max_delta_stats.tx; 1144 1145 pos += iwl_statistics_flag(priv, buf, bufsz); 1146 pos += scnprintf(buf + pos, bufsz - pos, 1147 fmt_header, "Statistics_Tx:"); 1148 pos += scnprintf(buf + pos, bufsz - pos, 1149 fmt_table, "preamble:", 1150 le32_to_cpu(tx->preamble_cnt), 1151 accum_tx->preamble_cnt, 1152 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1153 pos += scnprintf(buf + pos, bufsz - pos, 1154 fmt_table, "rx_detected_cnt:", 1155 le32_to_cpu(tx->rx_detected_cnt), 1156 accum_tx->rx_detected_cnt, 1157 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1158 pos += scnprintf(buf + pos, bufsz - pos, 1159 fmt_table, "bt_prio_defer_cnt:", 1160 le32_to_cpu(tx->bt_prio_defer_cnt), 1161 accum_tx->bt_prio_defer_cnt, 1162 delta_tx->bt_prio_defer_cnt, 1163 max_tx->bt_prio_defer_cnt); 1164 pos += scnprintf(buf + pos, bufsz - pos, 1165 fmt_table, "bt_prio_kill_cnt:", 1166 le32_to_cpu(tx->bt_prio_kill_cnt), 1167 accum_tx->bt_prio_kill_cnt, 1168 delta_tx->bt_prio_kill_cnt, 1169 max_tx->bt_prio_kill_cnt); 1170 pos += scnprintf(buf + pos, bufsz - pos, 1171 fmt_table, "few_bytes_cnt:", 1172 le32_to_cpu(tx->few_bytes_cnt), 1173 accum_tx->few_bytes_cnt, 1174 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1175 pos += scnprintf(buf + pos, bufsz - pos, 1176 fmt_table, "cts_timeout:", 1177 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1178 delta_tx->cts_timeout, max_tx->cts_timeout); 1179 pos += scnprintf(buf + pos, bufsz - pos, 1180 fmt_table, "ack_timeout:", 1181 le32_to_cpu(tx->ack_timeout), 1182 accum_tx->ack_timeout, 1183 delta_tx->ack_timeout, max_tx->ack_timeout); 1184 pos += scnprintf(buf + pos, bufsz - pos, 1185 fmt_table, "expected_ack_cnt:", 1186 le32_to_cpu(tx->expected_ack_cnt), 1187 accum_tx->expected_ack_cnt, 1188 delta_tx->expected_ack_cnt, 1189 max_tx->expected_ack_cnt); 1190 pos += scnprintf(buf + pos, bufsz - pos, 1191 fmt_table, "actual_ack_cnt:", 1192 le32_to_cpu(tx->actual_ack_cnt), 1193 accum_tx->actual_ack_cnt, 1194 delta_tx->actual_ack_cnt, 1195 max_tx->actual_ack_cnt); 1196 pos += scnprintf(buf + pos, bufsz - pos, 1197 fmt_table, "dump_msdu_cnt:", 1198 le32_to_cpu(tx->dump_msdu_cnt), 1199 accum_tx->dump_msdu_cnt, 1200 delta_tx->dump_msdu_cnt, 1201 max_tx->dump_msdu_cnt); 1202 pos += scnprintf(buf + pos, bufsz - pos, 1203 fmt_table, "abort_nxt_frame_mismatch:", 1204 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1205 accum_tx->burst_abort_next_frame_mismatch_cnt, 1206 delta_tx->burst_abort_next_frame_mismatch_cnt, 1207 max_tx->burst_abort_next_frame_mismatch_cnt); 1208 pos += scnprintf(buf + pos, bufsz - pos, 1209 fmt_table, "abort_missing_nxt_frame:", 1210 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1211 accum_tx->burst_abort_missing_next_frame_cnt, 1212 delta_tx->burst_abort_missing_next_frame_cnt, 1213 max_tx->burst_abort_missing_next_frame_cnt); 1214 pos += scnprintf(buf + pos, bufsz - pos, 1215 fmt_table, "cts_timeout_collision:", 1216 le32_to_cpu(tx->cts_timeout_collision), 1217 accum_tx->cts_timeout_collision, 1218 delta_tx->cts_timeout_collision, 1219 max_tx->cts_timeout_collision); 1220 pos += scnprintf(buf + pos, bufsz - pos, 1221 fmt_table, "ack_ba_timeout_collision:", 1222 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1223 accum_tx->ack_or_ba_timeout_collision, 1224 delta_tx->ack_or_ba_timeout_collision, 1225 max_tx->ack_or_ba_timeout_collision); 1226 pos += scnprintf(buf + pos, bufsz - pos, 1227 fmt_table, "agg ba_timeout:", 1228 le32_to_cpu(tx->agg.ba_timeout), 1229 accum_tx->agg.ba_timeout, 1230 delta_tx->agg.ba_timeout, 1231 max_tx->agg.ba_timeout); 1232 pos += scnprintf(buf + pos, bufsz - pos, 1233 fmt_table, "agg ba_resched_frames:", 1234 le32_to_cpu(tx->agg.ba_reschedule_frames), 1235 accum_tx->agg.ba_reschedule_frames, 1236 delta_tx->agg.ba_reschedule_frames, 1237 max_tx->agg.ba_reschedule_frames); 1238 pos += scnprintf(buf + pos, bufsz - pos, 1239 fmt_table, "agg scd_query_agg_frame:", 1240 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1241 accum_tx->agg.scd_query_agg_frame_cnt, 1242 delta_tx->agg.scd_query_agg_frame_cnt, 1243 max_tx->agg.scd_query_agg_frame_cnt); 1244 pos += scnprintf(buf + pos, bufsz - pos, 1245 fmt_table, "agg scd_query_no_agg:", 1246 le32_to_cpu(tx->agg.scd_query_no_agg), 1247 accum_tx->agg.scd_query_no_agg, 1248 delta_tx->agg.scd_query_no_agg, 1249 max_tx->agg.scd_query_no_agg); 1250 pos += scnprintf(buf + pos, bufsz - pos, 1251 fmt_table, "agg scd_query_agg:", 1252 le32_to_cpu(tx->agg.scd_query_agg), 1253 accum_tx->agg.scd_query_agg, 1254 delta_tx->agg.scd_query_agg, 1255 max_tx->agg.scd_query_agg); 1256 pos += scnprintf(buf + pos, bufsz - pos, 1257 fmt_table, "agg scd_query_mismatch:", 1258 le32_to_cpu(tx->agg.scd_query_mismatch), 1259 accum_tx->agg.scd_query_mismatch, 1260 delta_tx->agg.scd_query_mismatch, 1261 max_tx->agg.scd_query_mismatch); 1262 pos += scnprintf(buf + pos, bufsz - pos, 1263 fmt_table, "agg frame_not_ready:", 1264 le32_to_cpu(tx->agg.frame_not_ready), 1265 accum_tx->agg.frame_not_ready, 1266 delta_tx->agg.frame_not_ready, 1267 max_tx->agg.frame_not_ready); 1268 pos += scnprintf(buf + pos, bufsz - pos, 1269 fmt_table, "agg underrun:", 1270 le32_to_cpu(tx->agg.underrun), 1271 accum_tx->agg.underrun, 1272 delta_tx->agg.underrun, max_tx->agg.underrun); 1273 pos += scnprintf(buf + pos, bufsz - pos, 1274 fmt_table, "agg bt_prio_kill:", 1275 le32_to_cpu(tx->agg.bt_prio_kill), 1276 accum_tx->agg.bt_prio_kill, 1277 delta_tx->agg.bt_prio_kill, 1278 max_tx->agg.bt_prio_kill); 1279 pos += scnprintf(buf + pos, bufsz - pos, 1280 fmt_table, "agg rx_ba_rsp_cnt:", 1281 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1282 accum_tx->agg.rx_ba_rsp_cnt, 1283 delta_tx->agg.rx_ba_rsp_cnt, 1284 max_tx->agg.rx_ba_rsp_cnt); 1285 1286 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1287 pos += scnprintf(buf + pos, bufsz - pos, 1288 "tx power: (1/2 dB step)\n"); 1289 if ((priv->nvm_data->valid_tx_ant & ANT_A) && 1290 tx->tx_power.ant_a) 1291 pos += scnprintf(buf + pos, bufsz - pos, 1292 fmt_hex, "antenna A:", 1293 tx->tx_power.ant_a); 1294 if ((priv->nvm_data->valid_tx_ant & ANT_B) && 1295 tx->tx_power.ant_b) 1296 pos += scnprintf(buf + pos, bufsz - pos, 1297 fmt_hex, "antenna B:", 1298 tx->tx_power.ant_b); 1299 if ((priv->nvm_data->valid_tx_ant & ANT_C) && 1300 tx->tx_power.ant_c) 1301 pos += scnprintf(buf + pos, bufsz - pos, 1302 fmt_hex, "antenna C:", 1303 tx->tx_power.ant_c); 1304 } 1305 1306 spin_unlock_bh(&priv->statistics.lock); 1307 1308 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1309 kfree(buf); 1310 return ret; 1311 } 1312 1313 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1314 char __user *user_buf, 1315 size_t count, loff_t *ppos) 1316 { 1317 struct iwl_priv *priv = file->private_data; 1318 int pos = 0; 1319 char *buf; 1320 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1321 ssize_t ret; 1322 struct statistics_general_common *general, *accum_general; 1323 struct statistics_general_common *delta_general, *max_general; 1324 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1325 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1326 1327 if (!iwl_is_alive(priv)) 1328 return -EAGAIN; 1329 1330 buf = kzalloc(bufsz, GFP_KERNEL); 1331 if (!buf) 1332 return -ENOMEM; 1333 1334 /* the statistic information display here is based on 1335 * the last statistics notification from uCode 1336 * might not reflect the current uCode activity 1337 */ 1338 1339 spin_lock_bh(&priv->statistics.lock); 1340 1341 general = &priv->statistics.common; 1342 dbg = &priv->statistics.common.dbg; 1343 div = &priv->statistics.common.div; 1344 accum_general = &priv->accum_stats.common; 1345 accum_dbg = &priv->accum_stats.common.dbg; 1346 accum_div = &priv->accum_stats.common.div; 1347 delta_general = &priv->delta_stats.common; 1348 max_general = &priv->max_delta_stats.common; 1349 delta_dbg = &priv->delta_stats.common.dbg; 1350 max_dbg = &priv->max_delta_stats.common.dbg; 1351 delta_div = &priv->delta_stats.common.div; 1352 max_div = &priv->max_delta_stats.common.div; 1353 1354 pos += iwl_statistics_flag(priv, buf, bufsz); 1355 pos += scnprintf(buf + pos, bufsz - pos, 1356 fmt_header, "Statistics_General:"); 1357 pos += scnprintf(buf + pos, bufsz - pos, 1358 fmt_value, "temperature:", 1359 le32_to_cpu(general->temperature)); 1360 pos += scnprintf(buf + pos, bufsz - pos, 1361 fmt_value, "temperature_m:", 1362 le32_to_cpu(general->temperature_m)); 1363 pos += scnprintf(buf + pos, bufsz - pos, 1364 fmt_value, "ttl_timestamp:", 1365 le32_to_cpu(general->ttl_timestamp)); 1366 pos += scnprintf(buf + pos, bufsz - pos, 1367 fmt_table, "burst_check:", 1368 le32_to_cpu(dbg->burst_check), 1369 accum_dbg->burst_check, 1370 delta_dbg->burst_check, max_dbg->burst_check); 1371 pos += scnprintf(buf + pos, bufsz - pos, 1372 fmt_table, "burst_count:", 1373 le32_to_cpu(dbg->burst_count), 1374 accum_dbg->burst_count, 1375 delta_dbg->burst_count, max_dbg->burst_count); 1376 pos += scnprintf(buf + pos, bufsz - pos, 1377 fmt_table, "wait_for_silence_timeout_count:", 1378 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1379 accum_dbg->wait_for_silence_timeout_cnt, 1380 delta_dbg->wait_for_silence_timeout_cnt, 1381 max_dbg->wait_for_silence_timeout_cnt); 1382 pos += scnprintf(buf + pos, bufsz - pos, 1383 fmt_table, "sleep_time:", 1384 le32_to_cpu(general->sleep_time), 1385 accum_general->sleep_time, 1386 delta_general->sleep_time, max_general->sleep_time); 1387 pos += scnprintf(buf + pos, bufsz - pos, 1388 fmt_table, "slots_out:", 1389 le32_to_cpu(general->slots_out), 1390 accum_general->slots_out, 1391 delta_general->slots_out, max_general->slots_out); 1392 pos += scnprintf(buf + pos, bufsz - pos, 1393 fmt_table, "slots_idle:", 1394 le32_to_cpu(general->slots_idle), 1395 accum_general->slots_idle, 1396 delta_general->slots_idle, max_general->slots_idle); 1397 pos += scnprintf(buf + pos, bufsz - pos, 1398 fmt_table, "tx_on_a:", 1399 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1400 delta_div->tx_on_a, max_div->tx_on_a); 1401 pos += scnprintf(buf + pos, bufsz - pos, 1402 fmt_table, "tx_on_b:", 1403 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1404 delta_div->tx_on_b, max_div->tx_on_b); 1405 pos += scnprintf(buf + pos, bufsz - pos, 1406 fmt_table, "exec_time:", 1407 le32_to_cpu(div->exec_time), accum_div->exec_time, 1408 delta_div->exec_time, max_div->exec_time); 1409 pos += scnprintf(buf + pos, bufsz - pos, 1410 fmt_table, "probe_time:", 1411 le32_to_cpu(div->probe_time), accum_div->probe_time, 1412 delta_div->probe_time, max_div->probe_time); 1413 pos += scnprintf(buf + pos, bufsz - pos, 1414 fmt_table, "rx_enable_counter:", 1415 le32_to_cpu(general->rx_enable_counter), 1416 accum_general->rx_enable_counter, 1417 delta_general->rx_enable_counter, 1418 max_general->rx_enable_counter); 1419 pos += scnprintf(buf + pos, bufsz - pos, 1420 fmt_table, "num_of_sos_states:", 1421 le32_to_cpu(general->num_of_sos_states), 1422 accum_general->num_of_sos_states, 1423 delta_general->num_of_sos_states, 1424 max_general->num_of_sos_states); 1425 1426 spin_unlock_bh(&priv->statistics.lock); 1427 1428 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1429 kfree(buf); 1430 return ret; 1431 } 1432 1433 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1434 char __user *user_buf, 1435 size_t count, loff_t *ppos) 1436 { 1437 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1438 int pos = 0; 1439 char *buf; 1440 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1441 ssize_t ret; 1442 struct statistics_bt_activity *bt, *accum_bt; 1443 1444 if (!iwl_is_alive(priv)) 1445 return -EAGAIN; 1446 1447 if (!priv->bt_enable_flag) 1448 return -EINVAL; 1449 1450 /* make request to uCode to retrieve statistics information */ 1451 mutex_lock(&priv->mutex); 1452 ret = iwl_send_statistics_request(priv, 0, false); 1453 mutex_unlock(&priv->mutex); 1454 1455 if (ret) 1456 return -EAGAIN; 1457 buf = kzalloc(bufsz, GFP_KERNEL); 1458 if (!buf) 1459 return -ENOMEM; 1460 1461 /* 1462 * the statistic information display here is based on 1463 * the last statistics notification from uCode 1464 * might not reflect the current uCode activity 1465 */ 1466 1467 spin_lock_bh(&priv->statistics.lock); 1468 1469 bt = &priv->statistics.bt_activity; 1470 accum_bt = &priv->accum_stats.bt_activity; 1471 1472 pos += iwl_statistics_flag(priv, buf, bufsz); 1473 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1474 pos += scnprintf(buf + pos, bufsz - pos, 1475 "\t\t\tcurrent\t\t\taccumulative\n"); 1476 pos += scnprintf(buf + pos, bufsz - pos, 1477 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1478 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1479 accum_bt->hi_priority_tx_req_cnt); 1480 pos += scnprintf(buf + pos, bufsz - pos, 1481 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1482 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1483 accum_bt->hi_priority_tx_denied_cnt); 1484 pos += scnprintf(buf + pos, bufsz - pos, 1485 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1486 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1487 accum_bt->lo_priority_tx_req_cnt); 1488 pos += scnprintf(buf + pos, bufsz - pos, 1489 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1490 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1491 accum_bt->lo_priority_tx_denied_cnt); 1492 pos += scnprintf(buf + pos, bufsz - pos, 1493 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1494 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1495 accum_bt->hi_priority_rx_req_cnt); 1496 pos += scnprintf(buf + pos, bufsz - pos, 1497 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1498 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1499 accum_bt->hi_priority_rx_denied_cnt); 1500 pos += scnprintf(buf + pos, bufsz - pos, 1501 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1502 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1503 accum_bt->lo_priority_rx_req_cnt); 1504 pos += scnprintf(buf + pos, bufsz - pos, 1505 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1506 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1507 accum_bt->lo_priority_rx_denied_cnt); 1508 1509 pos += scnprintf(buf + pos, bufsz - pos, 1510 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1511 le32_to_cpu(priv->statistics.num_bt_kills), 1512 priv->statistics.accum_num_bt_kills); 1513 1514 spin_unlock_bh(&priv->statistics.lock); 1515 1516 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1517 kfree(buf); 1518 return ret; 1519 } 1520 1521 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1522 char __user *user_buf, 1523 size_t count, loff_t *ppos) 1524 { 1525 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1526 int pos = 0; 1527 char *buf; 1528 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1529 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1530 ssize_t ret; 1531 1532 if (!iwl_is_alive(priv)) 1533 return -EAGAIN; 1534 1535 buf = kzalloc(bufsz, GFP_KERNEL); 1536 if (!buf) 1537 return -ENOMEM; 1538 1539 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1540 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1541 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1542 priv->reply_tx_stats.pp_delay); 1543 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1544 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1545 priv->reply_tx_stats.pp_few_bytes); 1546 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1547 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1548 priv->reply_tx_stats.pp_bt_prio); 1549 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1550 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1551 priv->reply_tx_stats.pp_quiet_period); 1552 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1553 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1554 priv->reply_tx_stats.pp_calc_ttak); 1555 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1556 iwl_get_tx_fail_reason( 1557 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1558 priv->reply_tx_stats.int_crossed_retry); 1559 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1560 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1561 priv->reply_tx_stats.short_limit); 1562 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1563 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1564 priv->reply_tx_stats.long_limit); 1565 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1566 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1567 priv->reply_tx_stats.fifo_underrun); 1568 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1569 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1570 priv->reply_tx_stats.drain_flow); 1571 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1572 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1573 priv->reply_tx_stats.rfkill_flush); 1574 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1575 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1576 priv->reply_tx_stats.life_expire); 1577 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1578 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1579 priv->reply_tx_stats.dest_ps); 1580 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1581 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1582 priv->reply_tx_stats.host_abort); 1583 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1584 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1585 priv->reply_tx_stats.pp_delay); 1586 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1587 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1588 priv->reply_tx_stats.sta_invalid); 1589 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1590 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1591 priv->reply_tx_stats.frag_drop); 1592 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1593 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1594 priv->reply_tx_stats.tid_disable); 1595 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1596 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1597 priv->reply_tx_stats.fifo_flush); 1598 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1599 iwl_get_tx_fail_reason( 1600 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1601 priv->reply_tx_stats.insuff_cf_poll); 1602 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1603 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1604 priv->reply_tx_stats.fail_hw_drop); 1605 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1606 iwl_get_tx_fail_reason( 1607 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1608 priv->reply_tx_stats.sta_color_mismatch); 1609 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1610 priv->reply_tx_stats.unknown); 1611 1612 pos += scnprintf(buf + pos, bufsz - pos, 1613 "\nStatistics_Agg_TX_Error:\n"); 1614 1615 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1616 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1617 priv->reply_agg_tx_stats.underrun); 1618 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1619 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1620 priv->reply_agg_tx_stats.bt_prio); 1621 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1622 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1623 priv->reply_agg_tx_stats.few_bytes); 1624 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1625 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1626 priv->reply_agg_tx_stats.abort); 1627 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1628 iwl_get_agg_tx_fail_reason( 1629 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1630 priv->reply_agg_tx_stats.last_sent_ttl); 1631 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1632 iwl_get_agg_tx_fail_reason( 1633 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1634 priv->reply_agg_tx_stats.last_sent_try); 1635 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1636 iwl_get_agg_tx_fail_reason( 1637 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1638 priv->reply_agg_tx_stats.last_sent_bt_kill); 1639 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1640 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1641 priv->reply_agg_tx_stats.scd_query); 1642 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1643 iwl_get_agg_tx_fail_reason( 1644 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1645 priv->reply_agg_tx_stats.bad_crc32); 1646 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1647 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1648 priv->reply_agg_tx_stats.response); 1649 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1650 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1651 priv->reply_agg_tx_stats.dump_tx); 1652 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1653 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1654 priv->reply_agg_tx_stats.delay_tx); 1655 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1656 priv->reply_agg_tx_stats.unknown); 1657 1658 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1659 kfree(buf); 1660 return ret; 1661 } 1662 1663 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1664 char __user *user_buf, 1665 size_t count, loff_t *ppos) { 1666 1667 struct iwl_priv *priv = file->private_data; 1668 int pos = 0; 1669 int cnt = 0; 1670 char *buf; 1671 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1672 ssize_t ret; 1673 struct iwl_sensitivity_data *data; 1674 1675 data = &priv->sensitivity_data; 1676 buf = kzalloc(bufsz, GFP_KERNEL); 1677 if (!buf) 1678 return -ENOMEM; 1679 1680 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1681 data->auto_corr_ofdm); 1682 pos += scnprintf(buf + pos, bufsz - pos, 1683 "auto_corr_ofdm_mrc:\t\t %u\n", 1684 data->auto_corr_ofdm_mrc); 1685 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1686 data->auto_corr_ofdm_x1); 1687 pos += scnprintf(buf + pos, bufsz - pos, 1688 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1689 data->auto_corr_ofdm_mrc_x1); 1690 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1691 data->auto_corr_cck); 1692 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1693 data->auto_corr_cck_mrc); 1694 pos += scnprintf(buf + pos, bufsz - pos, 1695 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1696 data->last_bad_plcp_cnt_ofdm); 1697 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1698 data->last_fa_cnt_ofdm); 1699 pos += scnprintf(buf + pos, bufsz - pos, 1700 "last_bad_plcp_cnt_cck:\t\t %u\n", 1701 data->last_bad_plcp_cnt_cck); 1702 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1703 data->last_fa_cnt_cck); 1704 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1705 data->nrg_curr_state); 1706 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1707 data->nrg_prev_state); 1708 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1709 for (cnt = 0; cnt < 10; cnt++) { 1710 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1711 data->nrg_value[cnt]); 1712 } 1713 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1714 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1715 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1716 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1717 data->nrg_silence_rssi[cnt]); 1718 } 1719 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1720 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1721 data->nrg_silence_ref); 1722 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1723 data->nrg_energy_idx); 1724 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1725 data->nrg_silence_idx); 1726 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1727 data->nrg_th_cck); 1728 pos += scnprintf(buf + pos, bufsz - pos, 1729 "nrg_auto_corr_silence_diff:\t %u\n", 1730 data->nrg_auto_corr_silence_diff); 1731 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1732 data->num_in_cck_no_fa); 1733 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1734 data->nrg_th_ofdm); 1735 1736 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1737 kfree(buf); 1738 return ret; 1739 } 1740 1741 1742 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1743 char __user *user_buf, 1744 size_t count, loff_t *ppos) { 1745 1746 struct iwl_priv *priv = file->private_data; 1747 int pos = 0; 1748 int cnt = 0; 1749 char *buf; 1750 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1751 ssize_t ret; 1752 struct iwl_chain_noise_data *data; 1753 1754 data = &priv->chain_noise_data; 1755 buf = kzalloc(bufsz, GFP_KERNEL); 1756 if (!buf) 1757 return -ENOMEM; 1758 1759 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1760 data->active_chains); 1761 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1762 data->chain_noise_a); 1763 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1764 data->chain_noise_b); 1765 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1766 data->chain_noise_c); 1767 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1768 data->chain_signal_a); 1769 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1770 data->chain_signal_b); 1771 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1772 data->chain_signal_c); 1773 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1774 data->beacon_count); 1775 1776 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1777 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1778 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1779 data->disconn_array[cnt]); 1780 } 1781 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1782 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1783 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1784 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1785 data->delta_gain_code[cnt]); 1786 } 1787 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1788 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1789 data->radio_write); 1790 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1791 data->state); 1792 1793 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1794 kfree(buf); 1795 return ret; 1796 } 1797 1798 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1799 char __user *user_buf, 1800 size_t count, loff_t *ppos) 1801 { 1802 struct iwl_priv *priv = file->private_data; 1803 char buf[60]; 1804 int pos = 0; 1805 const size_t bufsz = sizeof(buf); 1806 u32 pwrsave_status; 1807 1808 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) & 1809 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1810 1811 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1812 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1813 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1814 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1815 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1816 "error"); 1817 1818 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1819 } 1820 1821 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1822 const char __user *user_buf, 1823 size_t count, loff_t *ppos) 1824 { 1825 struct iwl_priv *priv = file->private_data; 1826 char buf[8]; 1827 int buf_size; 1828 int clear; 1829 1830 memset(buf, 0, sizeof(buf)); 1831 buf_size = min(count, sizeof(buf) - 1); 1832 if (copy_from_user(buf, user_buf, buf_size)) 1833 return -EFAULT; 1834 if (sscanf(buf, "%d", &clear) != 1) 1835 return -EFAULT; 1836 1837 /* make request to uCode to retrieve statistics information */ 1838 mutex_lock(&priv->mutex); 1839 iwl_send_statistics_request(priv, 0, true); 1840 mutex_unlock(&priv->mutex); 1841 1842 return count; 1843 } 1844 1845 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 1846 char __user *user_buf, 1847 size_t count, loff_t *ppos) { 1848 1849 struct iwl_priv *priv = file->private_data; 1850 int pos = 0; 1851 char buf[128]; 1852 const size_t bufsz = sizeof(buf); 1853 1854 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 1855 priv->event_log.ucode_trace ? "On" : "Off"); 1856 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 1857 priv->event_log.non_wraps_count); 1858 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 1859 priv->event_log.wraps_once_count); 1860 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 1861 priv->event_log.wraps_more_count); 1862 1863 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1864 } 1865 1866 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 1867 const char __user *user_buf, 1868 size_t count, loff_t *ppos) 1869 { 1870 struct iwl_priv *priv = file->private_data; 1871 char buf[8]; 1872 int buf_size; 1873 int trace; 1874 1875 memset(buf, 0, sizeof(buf)); 1876 buf_size = min(count, sizeof(buf) - 1); 1877 if (copy_from_user(buf, user_buf, buf_size)) 1878 return -EFAULT; 1879 if (sscanf(buf, "%d", &trace) != 1) 1880 return -EFAULT; 1881 1882 if (trace) { 1883 priv->event_log.ucode_trace = true; 1884 if (iwl_is_alive(priv)) { 1885 /* start collecting data now */ 1886 mod_timer(&priv->ucode_trace, jiffies); 1887 } 1888 } else { 1889 priv->event_log.ucode_trace = false; 1890 del_timer_sync(&priv->ucode_trace); 1891 } 1892 1893 return count; 1894 } 1895 1896 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 1897 char __user *user_buf, 1898 size_t count, loff_t *ppos) { 1899 1900 struct iwl_priv *priv = file->private_data; 1901 int len = 0; 1902 char buf[20]; 1903 1904 len = sprintf(buf, "0x%04X\n", 1905 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 1906 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1907 } 1908 1909 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 1910 char __user *user_buf, 1911 size_t count, loff_t *ppos) { 1912 1913 struct iwl_priv *priv = file->private_data; 1914 int len = 0; 1915 char buf[20]; 1916 1917 len = sprintf(buf, "0x%04X\n", 1918 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 1919 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1920 } 1921 1922 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 1923 char __user *user_buf, 1924 size_t count, loff_t *ppos) { 1925 1926 struct iwl_priv *priv = file->private_data; 1927 int pos = 0; 1928 char buf[12]; 1929 const size_t bufsz = sizeof(buf); 1930 1931 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 1932 priv->missed_beacon_threshold); 1933 1934 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1935 } 1936 1937 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 1938 const char __user *user_buf, 1939 size_t count, loff_t *ppos) 1940 { 1941 struct iwl_priv *priv = file->private_data; 1942 char buf[8]; 1943 int buf_size; 1944 int missed; 1945 1946 memset(buf, 0, sizeof(buf)); 1947 buf_size = min(count, sizeof(buf) - 1); 1948 if (copy_from_user(buf, user_buf, buf_size)) 1949 return -EFAULT; 1950 if (sscanf(buf, "%d", &missed) != 1) 1951 return -EINVAL; 1952 1953 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 1954 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 1955 priv->missed_beacon_threshold = 1956 IWL_MISSED_BEACON_THRESHOLD_DEF; 1957 else 1958 priv->missed_beacon_threshold = missed; 1959 1960 return count; 1961 } 1962 1963 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 1964 char __user *user_buf, 1965 size_t count, loff_t *ppos) { 1966 1967 struct iwl_priv *priv = file->private_data; 1968 int pos = 0; 1969 char buf[12]; 1970 const size_t bufsz = sizeof(buf); 1971 1972 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 1973 priv->plcp_delta_threshold); 1974 1975 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1976 } 1977 1978 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 1979 const char __user *user_buf, 1980 size_t count, loff_t *ppos) { 1981 1982 struct iwl_priv *priv = file->private_data; 1983 char buf[8]; 1984 int buf_size; 1985 int plcp; 1986 1987 memset(buf, 0, sizeof(buf)); 1988 buf_size = min(count, sizeof(buf) - 1); 1989 if (copy_from_user(buf, user_buf, buf_size)) 1990 return -EFAULT; 1991 if (sscanf(buf, "%d", &plcp) != 1) 1992 return -EINVAL; 1993 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 1994 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 1995 priv->plcp_delta_threshold = 1996 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 1997 else 1998 priv->plcp_delta_threshold = plcp; 1999 return count; 2000 } 2001 2002 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file, 2003 char __user *user_buf, 2004 size_t count, loff_t *ppos) 2005 { 2006 struct iwl_priv *priv = file->private_data; 2007 int pos = 0; 2008 char buf[300]; 2009 const size_t bufsz = sizeof(buf); 2010 struct iwl_rf_reset *rf_reset = &priv->rf_reset; 2011 2012 pos += scnprintf(buf + pos, bufsz - pos, 2013 "RF reset statistics\n"); 2014 pos += scnprintf(buf + pos, bufsz - pos, 2015 "\tnumber of reset request: %d\n", 2016 rf_reset->reset_request_count); 2017 pos += scnprintf(buf + pos, bufsz - pos, 2018 "\tnumber of reset request success: %d\n", 2019 rf_reset->reset_success_count); 2020 pos += scnprintf(buf + pos, bufsz - pos, 2021 "\tnumber of reset request reject: %d\n", 2022 rf_reset->reset_reject_count); 2023 2024 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2025 } 2026 2027 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file, 2028 const char __user *user_buf, 2029 size_t count, loff_t *ppos) { 2030 2031 struct iwl_priv *priv = file->private_data; 2032 int ret; 2033 2034 ret = iwl_force_rf_reset(priv, true); 2035 return ret ? ret : count; 2036 } 2037 2038 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2039 const char __user *user_buf, 2040 size_t count, loff_t *ppos) { 2041 2042 struct iwl_priv *priv = file->private_data; 2043 char buf[8]; 2044 int buf_size; 2045 int flush; 2046 2047 memset(buf, 0, sizeof(buf)); 2048 buf_size = min(count, sizeof(buf) - 1); 2049 if (copy_from_user(buf, user_buf, buf_size)) 2050 return -EFAULT; 2051 if (sscanf(buf, "%d", &flush) != 1) 2052 return -EINVAL; 2053 2054 if (iwl_is_rfkill(priv)) 2055 return -EFAULT; 2056 2057 iwlagn_dev_txfifo_flush(priv); 2058 2059 return count; 2060 } 2061 2062 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2063 char __user *user_buf, 2064 size_t count, loff_t *ppos) { 2065 2066 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2067 int pos = 0; 2068 char buf[200]; 2069 const size_t bufsz = sizeof(buf); 2070 2071 if (!priv->bt_enable_flag) { 2072 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2073 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2074 } 2075 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2076 priv->bt_enable_flag); 2077 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2078 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2079 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2080 "last traffic notif: %d\n", 2081 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2082 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2083 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2084 priv->bt_ch_announce, priv->kill_ack_mask, 2085 priv->kill_cts_mask); 2086 2087 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2088 switch (priv->bt_traffic_load) { 2089 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2090 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2091 break; 2092 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2093 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2094 break; 2095 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2096 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2097 break; 2098 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2099 default: 2100 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2101 break; 2102 } 2103 2104 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2105 } 2106 2107 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2108 char __user *user_buf, 2109 size_t count, loff_t *ppos) 2110 { 2111 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2112 2113 int pos = 0; 2114 char buf[40]; 2115 const size_t bufsz = sizeof(buf); 2116 2117 if (priv->cfg->ht_params) 2118 pos += scnprintf(buf + pos, bufsz - pos, 2119 "use %s for aggregation\n", 2120 (priv->hw_params.use_rts_for_aggregation) ? 2121 "rts/cts" : "cts-to-self"); 2122 else 2123 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2124 2125 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2126 } 2127 2128 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2129 const char __user *user_buf, 2130 size_t count, loff_t *ppos) { 2131 2132 struct iwl_priv *priv = file->private_data; 2133 char buf[8]; 2134 int buf_size; 2135 int rts; 2136 2137 if (!priv->cfg->ht_params) 2138 return -EINVAL; 2139 2140 memset(buf, 0, sizeof(buf)); 2141 buf_size = min(count, sizeof(buf) - 1); 2142 if (copy_from_user(buf, user_buf, buf_size)) 2143 return -EFAULT; 2144 if (sscanf(buf, "%d", &rts) != 1) 2145 return -EINVAL; 2146 if (rts) 2147 priv->hw_params.use_rts_for_aggregation = true; 2148 else 2149 priv->hw_params.use_rts_for_aggregation = false; 2150 return count; 2151 } 2152 2153 static int iwl_cmd_echo_test(struct iwl_priv *priv) 2154 { 2155 int ret; 2156 struct iwl_host_cmd cmd = { 2157 .id = REPLY_ECHO, 2158 .len = { 0 }, 2159 }; 2160 2161 ret = iwl_dvm_send_cmd(priv, &cmd); 2162 if (ret) 2163 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); 2164 else 2165 IWL_DEBUG_INFO(priv, "echo testing pass\n"); 2166 return ret; 2167 } 2168 2169 static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2170 const char __user *user_buf, 2171 size_t count, loff_t *ppos) 2172 { 2173 struct iwl_priv *priv = file->private_data; 2174 char buf[8]; 2175 int buf_size; 2176 2177 memset(buf, 0, sizeof(buf)); 2178 buf_size = min(count, sizeof(buf) - 1); 2179 if (copy_from_user(buf, user_buf, buf_size)) 2180 return -EFAULT; 2181 2182 iwl_cmd_echo_test(priv); 2183 return count; 2184 } 2185 2186 #ifdef CONFIG_IWLWIFI_DEBUG 2187 static ssize_t iwl_dbgfs_log_event_read(struct file *file, 2188 char __user *user_buf, 2189 size_t count, loff_t *ppos) 2190 { 2191 struct iwl_priv *priv = file->private_data; 2192 char *buf = NULL; 2193 ssize_t ret; 2194 2195 ret = iwl_dump_nic_event_log(priv, true, &buf); 2196 if (ret > 0) 2197 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); 2198 kfree(buf); 2199 return ret; 2200 } 2201 2202 static ssize_t iwl_dbgfs_log_event_write(struct file *file, 2203 const char __user *user_buf, 2204 size_t count, loff_t *ppos) 2205 { 2206 struct iwl_priv *priv = file->private_data; 2207 u32 event_log_flag; 2208 char buf[8]; 2209 int buf_size; 2210 2211 /* check that the interface is up */ 2212 if (!iwl_is_ready(priv)) 2213 return -EAGAIN; 2214 2215 memset(buf, 0, sizeof(buf)); 2216 buf_size = min(count, sizeof(buf) - 1); 2217 if (copy_from_user(buf, user_buf, buf_size)) 2218 return -EFAULT; 2219 if (sscanf(buf, "%u", &event_log_flag) != 1) 2220 return -EFAULT; 2221 if (event_log_flag == 1) 2222 iwl_dump_nic_event_log(priv, true, NULL); 2223 2224 return count; 2225 } 2226 #endif 2227 2228 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file, 2229 char __user *user_buf, 2230 size_t count, loff_t *ppos) 2231 { 2232 struct iwl_priv *priv = file->private_data; 2233 char buf[120]; 2234 int pos = 0; 2235 const size_t bufsz = sizeof(buf); 2236 2237 pos += scnprintf(buf + pos, bufsz - pos, 2238 "Sensitivity calibrations %s\n", 2239 (priv->calib_disabled & 2240 IWL_SENSITIVITY_CALIB_DISABLED) ? 2241 "DISABLED" : "ENABLED"); 2242 pos += scnprintf(buf + pos, bufsz - pos, 2243 "Chain noise calibrations %s\n", 2244 (priv->calib_disabled & 2245 IWL_CHAIN_NOISE_CALIB_DISABLED) ? 2246 "DISABLED" : "ENABLED"); 2247 pos += scnprintf(buf + pos, bufsz - pos, 2248 "Tx power calibrations %s\n", 2249 (priv->calib_disabled & 2250 IWL_TX_POWER_CALIB_DISABLED) ? 2251 "DISABLED" : "ENABLED"); 2252 2253 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2254 } 2255 2256 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, 2257 const char __user *user_buf, 2258 size_t count, loff_t *ppos) 2259 { 2260 struct iwl_priv *priv = file->private_data; 2261 char buf[8]; 2262 u32 calib_disabled; 2263 int buf_size; 2264 2265 memset(buf, 0, sizeof(buf)); 2266 buf_size = min(count, sizeof(buf) - 1); 2267 if (copy_from_user(buf, user_buf, buf_size)) 2268 return -EFAULT; 2269 if (sscanf(buf, "%x", &calib_disabled) != 1) 2270 return -EFAULT; 2271 2272 priv->calib_disabled = calib_disabled; 2273 2274 return count; 2275 } 2276 2277 static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, 2278 const char __user *user_buf, 2279 size_t count, loff_t *ppos) 2280 { 2281 struct iwl_priv *priv = file->private_data; 2282 bool fw_restart = iwlwifi_mod_params.fw_restart; 2283 int __maybe_unused ret; 2284 2285 iwlwifi_mod_params.fw_restart = true; 2286 2287 mutex_lock(&priv->mutex); 2288 2289 /* take the return value to make compiler happy - it will fail anyway */ 2290 ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, 0, 0, NULL); 2291 2292 mutex_unlock(&priv->mutex); 2293 2294 iwlwifi_mod_params.fw_restart = fw_restart; 2295 2296 return count; 2297 } 2298 2299 DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2300 DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2301 DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2302 DEBUGFS_READ_FILE_OPS(sensitivity); 2303 DEBUGFS_READ_FILE_OPS(chain_noise); 2304 DEBUGFS_READ_FILE_OPS(power_save_status); 2305 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2306 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2307 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2308 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2309 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset); 2310 DEBUGFS_READ_FILE_OPS(rxon_flags); 2311 DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2312 DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2313 DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2314 DEBUGFS_READ_FILE_OPS(bt_traffic); 2315 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2316 DEBUGFS_READ_FILE_OPS(reply_tx_error); 2317 DEBUGFS_WRITE_FILE_OPS(echo_test); 2318 DEBUGFS_WRITE_FILE_OPS(fw_restart); 2319 #ifdef CONFIG_IWLWIFI_DEBUG 2320 DEBUGFS_READ_WRITE_FILE_OPS(log_event); 2321 #endif 2322 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled); 2323 2324 /* 2325 * Create the debugfs files and directories 2326 * 2327 */ 2328 void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir) 2329 { 2330 struct dentry *dir_data, *dir_rf, *dir_debug; 2331 2332 priv->debugfs_dir = dbgfs_dir; 2333 2334 dir_data = debugfs_create_dir("data", dbgfs_dir); 2335 dir_rf = debugfs_create_dir("rf", dbgfs_dir); 2336 dir_debug = debugfs_create_dir("debug", dbgfs_dir); 2337 2338 DEBUGFS_ADD_FILE(nvm, dir_data, 0400); 2339 DEBUGFS_ADD_FILE(sram, dir_data, 0600); 2340 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, 0400); 2341 DEBUGFS_ADD_FILE(stations, dir_data, 0400); 2342 DEBUGFS_ADD_FILE(channels, dir_data, 0400); 2343 DEBUGFS_ADD_FILE(status, dir_data, 0400); 2344 DEBUGFS_ADD_FILE(rx_handlers, dir_data, 0600); 2345 DEBUGFS_ADD_FILE(qos, dir_data, 0400); 2346 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, 0600); 2347 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, 0400); 2348 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, 0400); 2349 DEBUGFS_ADD_FILE(disable_ht40, dir_data, 0600); 2350 DEBUGFS_ADD_FILE(temperature, dir_data, 0400); 2351 2352 DEBUGFS_ADD_FILE(power_save_status, dir_debug, 0400); 2353 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, 0200); 2354 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, 0200); 2355 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, 0600); 2356 DEBUGFS_ADD_FILE(rf_reset, dir_debug, 0600); 2357 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, 0400); 2358 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, 0400); 2359 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, 0400); 2360 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, 0200); 2361 DEBUGFS_ADD_FILE(protection_mode, dir_debug, 0600); 2362 DEBUGFS_ADD_FILE(sensitivity, dir_debug, 0400); 2363 DEBUGFS_ADD_FILE(chain_noise, dir_debug, 0400); 2364 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, 0600); 2365 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, 0400); 2366 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, 0400); 2367 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, 0200); 2368 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, 0200); 2369 DEBUGFS_ADD_FILE(echo_test, dir_debug, 0200); 2370 DEBUGFS_ADD_FILE(fw_restart, dir_debug, 0200); 2371 #ifdef CONFIG_IWLWIFI_DEBUG 2372 DEBUGFS_ADD_FILE(log_event, dir_debug, 0600); 2373 #endif 2374 2375 if (iwl_advanced_bt_coexist(priv)) 2376 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, 0400); 2377 2378 /* Calibrations disabled/enabled status*/ 2379 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, 0600); 2380 2381 /* 2382 * Create a symlink with mac80211. This is not very robust, as it does 2383 * not remove the symlink created. The implicit assumption is that 2384 * when the opmode exits, mac80211 will also exit, and will remove 2385 * this symlink as part of its cleanup. 2386 */ 2387 if (priv->mac80211_registered) { 2388 char buf[100]; 2389 struct dentry *mac80211_dir, *dev_dir; 2390 2391 dev_dir = dbgfs_dir->d_parent; 2392 mac80211_dir = priv->hw->wiphy->debugfsdir; 2393 2394 snprintf(buf, 100, "../../%pd2", dev_dir); 2395 2396 debugfs_create_symlink("iwlwifi", mac80211_dir, buf); 2397 } 2398 } 2399