1 // SPDX-License-Identifier: GPL-2.0-only 2 /****************************************************************************** 3 * 4 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. 5 * Copyright (C) 2018 Intel Corporation 6 * 7 * Contact Information: 8 * Intel Linux Wireless <linuxwifi@intel.com> 9 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 10 *****************************************************************************/ 11 12 #include <linux/slab.h> 13 #include <linux/kernel.h> 14 #include <linux/module.h> 15 #include <linux/debugfs.h> 16 #include <linux/ieee80211.h> 17 #include <net/mac80211.h> 18 19 #include "iwl-debug.h" 20 #include "iwl-trans.h" 21 #include "iwl-io.h" 22 #include "dev.h" 23 #include "agn.h" 24 25 /* create and remove of files */ 26 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 27 debugfs_create_file(#name, mode, parent, priv, \ 28 &iwl_dbgfs_##name##_ops); \ 29 } while (0) 30 31 /* file operation */ 32 #define DEBUGFS_READ_FILE_OPS(name) \ 33 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 34 .read = iwl_dbgfs_##name##_read, \ 35 .open = simple_open, \ 36 .llseek = generic_file_llseek, \ 37 }; 38 39 #define DEBUGFS_WRITE_FILE_OPS(name) \ 40 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 41 .write = iwl_dbgfs_##name##_write, \ 42 .open = simple_open, \ 43 .llseek = generic_file_llseek, \ 44 }; 45 46 47 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 48 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 49 .write = iwl_dbgfs_##name##_write, \ 50 .read = iwl_dbgfs_##name##_read, \ 51 .open = simple_open, \ 52 .llseek = generic_file_llseek, \ 53 }; 54 55 static ssize_t iwl_dbgfs_sram_read(struct file *file, 56 char __user *user_buf, 57 size_t count, loff_t *ppos) 58 { 59 u32 val = 0; 60 char *buf; 61 ssize_t ret; 62 int i = 0; 63 bool device_format = false; 64 int offset = 0; 65 int len = 0; 66 int pos = 0; 67 int sram; 68 struct iwl_priv *priv = file->private_data; 69 const struct fw_img *img; 70 size_t bufsz; 71 72 if (!iwl_is_ready_rf(priv)) 73 return -EAGAIN; 74 75 /* default is to dump the entire data segment */ 76 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 77 priv->dbgfs_sram_offset = 0x800000; 78 if (!priv->ucode_loaded) 79 return -EINVAL; 80 img = &priv->fw->img[priv->cur_ucode]; 81 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 82 } 83 len = priv->dbgfs_sram_len; 84 85 if (len == -4) { 86 device_format = true; 87 len = 4; 88 } 89 90 bufsz = 50 + len * 4; 91 buf = kmalloc(bufsz, GFP_KERNEL); 92 if (!buf) 93 return -ENOMEM; 94 95 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 96 len); 97 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 98 priv->dbgfs_sram_offset); 99 100 /* adjust sram address since reads are only on even u32 boundaries */ 101 offset = priv->dbgfs_sram_offset & 0x3; 102 sram = priv->dbgfs_sram_offset & ~0x3; 103 104 /* read the first u32 from sram */ 105 val = iwl_trans_read_mem32(priv->trans, sram); 106 107 for (; len; len--) { 108 /* put the address at the start of every line */ 109 if (i == 0) 110 pos += scnprintf(buf + pos, bufsz - pos, 111 "%08X: ", sram + offset); 112 113 if (device_format) 114 pos += scnprintf(buf + pos, bufsz - pos, 115 "%02x", (val >> (8 * (3 - offset))) & 0xff); 116 else 117 pos += scnprintf(buf + pos, bufsz - pos, 118 "%02x ", (val >> (8 * offset)) & 0xff); 119 120 /* if all bytes processed, read the next u32 from sram */ 121 if (++offset == 4) { 122 sram += 4; 123 offset = 0; 124 val = iwl_trans_read_mem32(priv->trans, sram); 125 } 126 127 /* put in extra spaces and split lines for human readability */ 128 if (++i == 16) { 129 i = 0; 130 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 131 } else if (!(i & 7)) { 132 pos += scnprintf(buf + pos, bufsz - pos, " "); 133 } else if (!(i & 3)) { 134 pos += scnprintf(buf + pos, bufsz - pos, " "); 135 } 136 } 137 if (i) 138 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 139 140 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 141 kfree(buf); 142 return ret; 143 } 144 145 static ssize_t iwl_dbgfs_sram_write(struct file *file, 146 const char __user *user_buf, 147 size_t count, loff_t *ppos) 148 { 149 struct iwl_priv *priv = file->private_data; 150 char buf[64]; 151 int buf_size; 152 u32 offset, len; 153 154 memset(buf, 0, sizeof(buf)); 155 buf_size = min(count, sizeof(buf) - 1); 156 if (copy_from_user(buf, user_buf, buf_size)) 157 return -EFAULT; 158 159 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 160 priv->dbgfs_sram_offset = offset; 161 priv->dbgfs_sram_len = len; 162 } else if (sscanf(buf, "%x", &offset) == 1) { 163 priv->dbgfs_sram_offset = offset; 164 priv->dbgfs_sram_len = -4; 165 } else { 166 priv->dbgfs_sram_offset = 0; 167 priv->dbgfs_sram_len = 0; 168 } 169 170 return count; 171 } 172 173 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 174 char __user *user_buf, 175 size_t count, loff_t *ppos) 176 { 177 struct iwl_priv *priv = file->private_data; 178 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; 179 180 if (!priv->wowlan_sram) 181 return -ENODATA; 182 183 return simple_read_from_buffer(user_buf, count, ppos, 184 priv->wowlan_sram, 185 img->sec[IWL_UCODE_SECTION_DATA].len); 186 } 187 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 188 size_t count, loff_t *ppos) 189 { 190 struct iwl_priv *priv = file->private_data; 191 struct iwl_station_entry *station; 192 struct iwl_tid_data *tid_data; 193 char *buf; 194 int i, j, pos = 0; 195 ssize_t ret; 196 /* Add 30 for initial string */ 197 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 198 199 buf = kmalloc(bufsz, GFP_KERNEL); 200 if (!buf) 201 return -ENOMEM; 202 203 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 204 priv->num_stations); 205 206 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 207 station = &priv->stations[i]; 208 if (!station->used) 209 continue; 210 pos += scnprintf(buf + pos, bufsz - pos, 211 "station %d - addr: %pM, flags: %#x\n", 212 i, station->sta.sta.addr, 213 station->sta.station_flags_msk); 214 pos += scnprintf(buf + pos, bufsz - pos, 215 "TID seqno next_rclmd " 216 "rate_n_flags state txq\n"); 217 218 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 219 tid_data = &priv->tid_data[i][j]; 220 pos += scnprintf(buf + pos, bufsz - pos, 221 "%d: 0x%.4x 0x%.4x 0x%.8x " 222 "%d %.2d", 223 j, tid_data->seq_number, 224 tid_data->next_reclaimed, 225 tid_data->agg.rate_n_flags, 226 tid_data->agg.state, 227 tid_data->agg.txq_id); 228 229 if (tid_data->agg.wait_for_ba) 230 pos += scnprintf(buf + pos, bufsz - pos, 231 " - waitforba"); 232 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 233 } 234 235 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 236 } 237 238 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 239 kfree(buf); 240 return ret; 241 } 242 243 static ssize_t iwl_dbgfs_nvm_read(struct file *file, 244 char __user *user_buf, 245 size_t count, 246 loff_t *ppos) 247 { 248 ssize_t ret; 249 struct iwl_priv *priv = file->private_data; 250 int pos = 0, ofs = 0, buf_size = 0; 251 const u8 *ptr; 252 char *buf; 253 u16 nvm_ver; 254 size_t eeprom_len = priv->eeprom_blob_size; 255 buf_size = 4 * eeprom_len + 256; 256 257 if (eeprom_len % 16) 258 return -ENODATA; 259 260 ptr = priv->eeprom_blob; 261 if (!ptr) 262 return -ENOMEM; 263 264 /* 4 characters for byte 0xYY */ 265 buf = kzalloc(buf_size, GFP_KERNEL); 266 if (!buf) 267 return -ENOMEM; 268 269 nvm_ver = priv->nvm_data->nvm_version; 270 pos += scnprintf(buf + pos, buf_size - pos, 271 "NVM version: 0x%x\n", nvm_ver); 272 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 273 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n", 274 ofs, ptr + ofs); 275 } 276 277 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 278 kfree(buf); 279 return ret; 280 } 281 282 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 283 size_t count, loff_t *ppos) 284 { 285 struct iwl_priv *priv = file->private_data; 286 struct ieee80211_channel *channels = NULL; 287 const struct ieee80211_supported_band *supp_band = NULL; 288 int pos = 0, i, bufsz = PAGE_SIZE; 289 char *buf; 290 ssize_t ret; 291 292 buf = kzalloc(bufsz, GFP_KERNEL); 293 if (!buf) 294 return -ENOMEM; 295 296 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_2GHZ); 297 if (supp_band) { 298 channels = supp_band->channels; 299 300 pos += scnprintf(buf + pos, bufsz - pos, 301 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 302 supp_band->n_channels); 303 304 for (i = 0; i < supp_band->n_channels; i++) 305 pos += scnprintf(buf + pos, bufsz - pos, 306 "%d: %ddBm: BSS%s%s, %s.\n", 307 channels[i].hw_value, 308 channels[i].max_power, 309 channels[i].flags & IEEE80211_CHAN_RADAR ? 310 " (IEEE 802.11h required)" : "", 311 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 312 || (channels[i].flags & 313 IEEE80211_CHAN_RADAR)) ? "" : 314 ", IBSS", 315 channels[i].flags & 316 IEEE80211_CHAN_NO_IR ? 317 "passive only" : "active/passive"); 318 } 319 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_5GHZ); 320 if (supp_band) { 321 channels = supp_band->channels; 322 323 pos += scnprintf(buf + pos, bufsz - pos, 324 "Displaying %d channels in 5.2GHz band (802.11a)\n", 325 supp_band->n_channels); 326 327 for (i = 0; i < supp_band->n_channels; i++) 328 pos += scnprintf(buf + pos, bufsz - pos, 329 "%d: %ddBm: BSS%s%s, %s.\n", 330 channels[i].hw_value, 331 channels[i].max_power, 332 channels[i].flags & IEEE80211_CHAN_RADAR ? 333 " (IEEE 802.11h required)" : "", 334 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 335 || (channels[i].flags & 336 IEEE80211_CHAN_RADAR)) ? "" : 337 ", IBSS", 338 channels[i].flags & 339 IEEE80211_CHAN_NO_IR ? 340 "passive only" : "active/passive"); 341 } 342 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 343 kfree(buf); 344 return ret; 345 } 346 347 static ssize_t iwl_dbgfs_status_read(struct file *file, 348 char __user *user_buf, 349 size_t count, loff_t *ppos) { 350 351 struct iwl_priv *priv = file->private_data; 352 char buf[512]; 353 int pos = 0; 354 const size_t bufsz = sizeof(buf); 355 356 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 357 test_bit(STATUS_RF_KILL_HW, &priv->status)); 358 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 359 test_bit(STATUS_CT_KILL, &priv->status)); 360 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 361 test_bit(STATUS_ALIVE, &priv->status)); 362 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 363 test_bit(STATUS_READY, &priv->status)); 364 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 365 test_bit(STATUS_EXIT_PENDING, &priv->status)); 366 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 367 test_bit(STATUS_STATISTICS, &priv->status)); 368 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 369 test_bit(STATUS_SCANNING, &priv->status)); 370 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 371 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 372 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 373 test_bit(STATUS_SCAN_HW, &priv->status)); 374 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 375 test_bit(STATUS_POWER_PMI, &priv->status)); 376 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 377 test_bit(STATUS_FW_ERROR, &priv->status)); 378 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 379 } 380 381 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 382 char __user *user_buf, 383 size_t count, loff_t *ppos) { 384 385 struct iwl_priv *priv = file->private_data; 386 387 int pos = 0; 388 int cnt = 0; 389 char *buf; 390 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 391 ssize_t ret; 392 393 buf = kzalloc(bufsz, GFP_KERNEL); 394 if (!buf) 395 return -ENOMEM; 396 397 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 398 if (priv->rx_handlers_stats[cnt] > 0) 399 pos += scnprintf(buf + pos, bufsz - pos, 400 "\tRx handler[%36s]:\t\t %u\n", 401 iwl_get_cmd_string(priv->trans, (u32)cnt), 402 priv->rx_handlers_stats[cnt]); 403 } 404 405 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 406 kfree(buf); 407 return ret; 408 } 409 410 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 411 const char __user *user_buf, 412 size_t count, loff_t *ppos) 413 { 414 struct iwl_priv *priv = file->private_data; 415 416 char buf[8]; 417 int buf_size; 418 u32 reset_flag; 419 420 memset(buf, 0, sizeof(buf)); 421 buf_size = min(count, sizeof(buf) - 1); 422 if (copy_from_user(buf, user_buf, buf_size)) 423 return -EFAULT; 424 if (sscanf(buf, "%x", &reset_flag) != 1) 425 return -EFAULT; 426 if (reset_flag == 0) 427 memset(&priv->rx_handlers_stats[0], 0, 428 sizeof(priv->rx_handlers_stats)); 429 430 return count; 431 } 432 433 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 434 size_t count, loff_t *ppos) 435 { 436 struct iwl_priv *priv = file->private_data; 437 struct iwl_rxon_context *ctx; 438 int pos = 0, i; 439 char buf[256 * NUM_IWL_RXON_CTX]; 440 const size_t bufsz = sizeof(buf); 441 442 for_each_context(priv, ctx) { 443 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 444 ctx->ctxid); 445 for (i = 0; i < AC_NUM; i++) { 446 pos += scnprintf(buf + pos, bufsz - pos, 447 "\tcw_min\tcw_max\taifsn\ttxop\n"); 448 pos += scnprintf(buf + pos, bufsz - pos, 449 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 450 ctx->qos_data.def_qos_parm.ac[i].cw_min, 451 ctx->qos_data.def_qos_parm.ac[i].cw_max, 452 ctx->qos_data.def_qos_parm.ac[i].aifsn, 453 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 454 } 455 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 456 } 457 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 458 } 459 460 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 461 char __user *user_buf, 462 size_t count, loff_t *ppos) 463 { 464 struct iwl_priv *priv = file->private_data; 465 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 466 struct iwl_tt_restriction *restriction; 467 char buf[100]; 468 int pos = 0; 469 const size_t bufsz = sizeof(buf); 470 471 pos += scnprintf(buf + pos, bufsz - pos, 472 "Thermal Throttling Mode: %s\n", 473 tt->advanced_tt ? "Advance" : "Legacy"); 474 pos += scnprintf(buf + pos, bufsz - pos, 475 "Thermal Throttling State: %d\n", 476 tt->state); 477 if (tt->advanced_tt) { 478 restriction = tt->restriction + tt->state; 479 pos += scnprintf(buf + pos, bufsz - pos, 480 "Tx mode: %d\n", 481 restriction->tx_stream); 482 pos += scnprintf(buf + pos, bufsz - pos, 483 "Rx mode: %d\n", 484 restriction->rx_stream); 485 pos += scnprintf(buf + pos, bufsz - pos, 486 "HT mode: %d\n", 487 restriction->is_ht); 488 } 489 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 490 } 491 492 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 493 const char __user *user_buf, 494 size_t count, loff_t *ppos) 495 { 496 struct iwl_priv *priv = file->private_data; 497 char buf[8]; 498 int buf_size; 499 int ht40; 500 501 memset(buf, 0, sizeof(buf)); 502 buf_size = min(count, sizeof(buf) - 1); 503 if (copy_from_user(buf, user_buf, buf_size)) 504 return -EFAULT; 505 if (sscanf(buf, "%d", &ht40) != 1) 506 return -EFAULT; 507 if (!iwl_is_any_associated(priv)) 508 priv->disable_ht40 = ht40 ? true : false; 509 else 510 return -EINVAL; 511 512 return count; 513 } 514 515 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 516 char __user *user_buf, 517 size_t count, loff_t *ppos) 518 { 519 struct iwl_priv *priv = file->private_data; 520 char buf[100]; 521 int pos = 0; 522 const size_t bufsz = sizeof(buf); 523 524 pos += scnprintf(buf + pos, bufsz - pos, 525 "11n 40MHz Mode: %s\n", 526 priv->disable_ht40 ? "Disabled" : "Enabled"); 527 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 528 } 529 530 static ssize_t iwl_dbgfs_temperature_read(struct file *file, 531 char __user *user_buf, 532 size_t count, loff_t *ppos) 533 { 534 struct iwl_priv *priv = file->private_data; 535 char buf[8]; 536 int pos = 0; 537 const size_t bufsz = sizeof(buf); 538 539 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 540 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 541 } 542 543 544 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 545 const char __user *user_buf, 546 size_t count, loff_t *ppos) 547 { 548 struct iwl_priv *priv = file->private_data; 549 char buf[8]; 550 int buf_size; 551 int value; 552 553 memset(buf, 0, sizeof(buf)); 554 buf_size = min(count, sizeof(buf) - 1); 555 if (copy_from_user(buf, user_buf, buf_size)) 556 return -EFAULT; 557 558 if (sscanf(buf, "%d", &value) != 1) 559 return -EINVAL; 560 561 /* 562 * Our users expect 0 to be "CAM", but 0 isn't actually 563 * valid here. However, let's not confuse them and present 564 * IWL_POWER_INDEX_1 as "1", not "0". 565 */ 566 if (value == 0) 567 return -EINVAL; 568 else if (value > 0) 569 value -= 1; 570 571 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 572 return -EINVAL; 573 574 if (!iwl_is_ready_rf(priv)) 575 return -EAGAIN; 576 577 priv->power_data.debug_sleep_level_override = value; 578 579 mutex_lock(&priv->mutex); 580 iwl_power_update_mode(priv, true); 581 mutex_unlock(&priv->mutex); 582 583 return count; 584 } 585 586 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 587 char __user *user_buf, 588 size_t count, loff_t *ppos) 589 { 590 struct iwl_priv *priv = file->private_data; 591 char buf[10]; 592 int pos, value; 593 const size_t bufsz = sizeof(buf); 594 595 /* see the write function */ 596 value = priv->power_data.debug_sleep_level_override; 597 if (value >= 0) 598 value += 1; 599 600 pos = scnprintf(buf, bufsz, "%d\n", value); 601 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 602 } 603 604 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 605 char __user *user_buf, 606 size_t count, loff_t *ppos) 607 { 608 struct iwl_priv *priv = file->private_data; 609 char buf[200]; 610 int pos = 0, i; 611 const size_t bufsz = sizeof(buf); 612 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 613 614 pos += scnprintf(buf + pos, bufsz - pos, 615 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 616 pos += scnprintf(buf + pos, bufsz - pos, 617 "RX/TX timeout: %d/%d usec\n", 618 le32_to_cpu(cmd->rx_data_timeout), 619 le32_to_cpu(cmd->tx_data_timeout)); 620 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 621 pos += scnprintf(buf + pos, bufsz - pos, 622 "sleep_interval[%d]: %d\n", i, 623 le32_to_cpu(cmd->sleep_interval[i])); 624 625 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 626 } 627 628 DEBUGFS_READ_WRITE_FILE_OPS(sram); 629 DEBUGFS_READ_FILE_OPS(wowlan_sram); 630 DEBUGFS_READ_FILE_OPS(nvm); 631 DEBUGFS_READ_FILE_OPS(stations); 632 DEBUGFS_READ_FILE_OPS(channels); 633 DEBUGFS_READ_FILE_OPS(status); 634 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 635 DEBUGFS_READ_FILE_OPS(qos); 636 DEBUGFS_READ_FILE_OPS(thermal_throttling); 637 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 638 DEBUGFS_READ_FILE_OPS(temperature); 639 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 640 DEBUGFS_READ_FILE_OPS(current_sleep_command); 641 642 #define fmt_value " %-30s %10u\n" 643 #define fmt_hex " %-30s 0x%02X\n" 644 #define fmt_table " %-30s %10u %10u %10u %10u\n" 645 #define fmt_header "%-32s current cumulative delta max\n" 646 647 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 648 { 649 int p = 0; 650 u32 flag; 651 652 lockdep_assert_held(&priv->statistics.lock); 653 654 flag = le32_to_cpu(priv->statistics.flag); 655 656 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 657 if (flag & UCODE_STATISTICS_CLEAR_MSK) 658 p += scnprintf(buf + p, bufsz - p, 659 "\tStatistics have been cleared\n"); 660 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 661 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 662 ? "2.4 GHz" : "5.2 GHz"); 663 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 664 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 665 ? "enabled" : "disabled"); 666 667 return p; 668 } 669 670 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 671 char __user *user_buf, 672 size_t count, loff_t *ppos) 673 { 674 struct iwl_priv *priv = file->private_data; 675 int pos = 0; 676 char *buf; 677 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 678 sizeof(struct statistics_rx_non_phy) * 40 + 679 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 680 ssize_t ret; 681 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 682 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 683 struct statistics_rx_non_phy *general, *accum_general; 684 struct statistics_rx_non_phy *delta_general, *max_general; 685 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 686 687 if (!iwl_is_alive(priv)) 688 return -EAGAIN; 689 690 buf = kzalloc(bufsz, GFP_KERNEL); 691 if (!buf) 692 return -ENOMEM; 693 694 /* 695 * the statistic information display here is based on 696 * the last statistics notification from uCode 697 * might not reflect the current uCode activity 698 */ 699 spin_lock_bh(&priv->statistics.lock); 700 ofdm = &priv->statistics.rx_ofdm; 701 cck = &priv->statistics.rx_cck; 702 general = &priv->statistics.rx_non_phy; 703 ht = &priv->statistics.rx_ofdm_ht; 704 accum_ofdm = &priv->accum_stats.rx_ofdm; 705 accum_cck = &priv->accum_stats.rx_cck; 706 accum_general = &priv->accum_stats.rx_non_phy; 707 accum_ht = &priv->accum_stats.rx_ofdm_ht; 708 delta_ofdm = &priv->delta_stats.rx_ofdm; 709 delta_cck = &priv->delta_stats.rx_cck; 710 delta_general = &priv->delta_stats.rx_non_phy; 711 delta_ht = &priv->delta_stats.rx_ofdm_ht; 712 max_ofdm = &priv->max_delta_stats.rx_ofdm; 713 max_cck = &priv->max_delta_stats.rx_cck; 714 max_general = &priv->max_delta_stats.rx_non_phy; 715 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 716 717 pos += iwl_statistics_flag(priv, buf, bufsz); 718 pos += scnprintf(buf + pos, bufsz - pos, 719 fmt_header, "Statistics_Rx - OFDM:"); 720 pos += scnprintf(buf + pos, bufsz - pos, 721 fmt_table, "ina_cnt:", 722 le32_to_cpu(ofdm->ina_cnt), 723 accum_ofdm->ina_cnt, 724 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 725 pos += scnprintf(buf + pos, bufsz - pos, 726 fmt_table, "fina_cnt:", 727 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 728 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 729 pos += scnprintf(buf + pos, bufsz - pos, 730 fmt_table, "plcp_err:", 731 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 732 delta_ofdm->plcp_err, max_ofdm->plcp_err); 733 pos += scnprintf(buf + pos, bufsz - pos, 734 fmt_table, "crc32_err:", 735 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 736 delta_ofdm->crc32_err, max_ofdm->crc32_err); 737 pos += scnprintf(buf + pos, bufsz - pos, 738 fmt_table, "overrun_err:", 739 le32_to_cpu(ofdm->overrun_err), 740 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 741 max_ofdm->overrun_err); 742 pos += scnprintf(buf + pos, bufsz - pos, 743 fmt_table, "early_overrun_err:", 744 le32_to_cpu(ofdm->early_overrun_err), 745 accum_ofdm->early_overrun_err, 746 delta_ofdm->early_overrun_err, 747 max_ofdm->early_overrun_err); 748 pos += scnprintf(buf + pos, bufsz - pos, 749 fmt_table, "crc32_good:", 750 le32_to_cpu(ofdm->crc32_good), 751 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 752 max_ofdm->crc32_good); 753 pos += scnprintf(buf + pos, bufsz - pos, 754 fmt_table, "false_alarm_cnt:", 755 le32_to_cpu(ofdm->false_alarm_cnt), 756 accum_ofdm->false_alarm_cnt, 757 delta_ofdm->false_alarm_cnt, 758 max_ofdm->false_alarm_cnt); 759 pos += scnprintf(buf + pos, bufsz - pos, 760 fmt_table, "fina_sync_err_cnt:", 761 le32_to_cpu(ofdm->fina_sync_err_cnt), 762 accum_ofdm->fina_sync_err_cnt, 763 delta_ofdm->fina_sync_err_cnt, 764 max_ofdm->fina_sync_err_cnt); 765 pos += scnprintf(buf + pos, bufsz - pos, 766 fmt_table, "sfd_timeout:", 767 le32_to_cpu(ofdm->sfd_timeout), 768 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 769 max_ofdm->sfd_timeout); 770 pos += scnprintf(buf + pos, bufsz - pos, 771 fmt_table, "fina_timeout:", 772 le32_to_cpu(ofdm->fina_timeout), 773 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 774 max_ofdm->fina_timeout); 775 pos += scnprintf(buf + pos, bufsz - pos, 776 fmt_table, "unresponded_rts:", 777 le32_to_cpu(ofdm->unresponded_rts), 778 accum_ofdm->unresponded_rts, 779 delta_ofdm->unresponded_rts, 780 max_ofdm->unresponded_rts); 781 pos += scnprintf(buf + pos, bufsz - pos, 782 fmt_table, "rxe_frame_lmt_ovrun:", 783 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 784 accum_ofdm->rxe_frame_limit_overrun, 785 delta_ofdm->rxe_frame_limit_overrun, 786 max_ofdm->rxe_frame_limit_overrun); 787 pos += scnprintf(buf + pos, bufsz - pos, 788 fmt_table, "sent_ack_cnt:", 789 le32_to_cpu(ofdm->sent_ack_cnt), 790 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 791 max_ofdm->sent_ack_cnt); 792 pos += scnprintf(buf + pos, bufsz - pos, 793 fmt_table, "sent_cts_cnt:", 794 le32_to_cpu(ofdm->sent_cts_cnt), 795 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 796 max_ofdm->sent_cts_cnt); 797 pos += scnprintf(buf + pos, bufsz - pos, 798 fmt_table, "sent_ba_rsp_cnt:", 799 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 800 accum_ofdm->sent_ba_rsp_cnt, 801 delta_ofdm->sent_ba_rsp_cnt, 802 max_ofdm->sent_ba_rsp_cnt); 803 pos += scnprintf(buf + pos, bufsz - pos, 804 fmt_table, "dsp_self_kill:", 805 le32_to_cpu(ofdm->dsp_self_kill), 806 accum_ofdm->dsp_self_kill, 807 delta_ofdm->dsp_self_kill, 808 max_ofdm->dsp_self_kill); 809 pos += scnprintf(buf + pos, bufsz - pos, 810 fmt_table, "mh_format_err:", 811 le32_to_cpu(ofdm->mh_format_err), 812 accum_ofdm->mh_format_err, 813 delta_ofdm->mh_format_err, 814 max_ofdm->mh_format_err); 815 pos += scnprintf(buf + pos, bufsz - pos, 816 fmt_table, "re_acq_main_rssi_sum:", 817 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 818 accum_ofdm->re_acq_main_rssi_sum, 819 delta_ofdm->re_acq_main_rssi_sum, 820 max_ofdm->re_acq_main_rssi_sum); 821 822 pos += scnprintf(buf + pos, bufsz - pos, 823 fmt_header, "Statistics_Rx - CCK:"); 824 pos += scnprintf(buf + pos, bufsz - pos, 825 fmt_table, "ina_cnt:", 826 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 827 delta_cck->ina_cnt, max_cck->ina_cnt); 828 pos += scnprintf(buf + pos, bufsz - pos, 829 fmt_table, "fina_cnt:", 830 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 831 delta_cck->fina_cnt, max_cck->fina_cnt); 832 pos += scnprintf(buf + pos, bufsz - pos, 833 fmt_table, "plcp_err:", 834 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 835 delta_cck->plcp_err, max_cck->plcp_err); 836 pos += scnprintf(buf + pos, bufsz - pos, 837 fmt_table, "crc32_err:", 838 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 839 delta_cck->crc32_err, max_cck->crc32_err); 840 pos += scnprintf(buf + pos, bufsz - pos, 841 fmt_table, "overrun_err:", 842 le32_to_cpu(cck->overrun_err), 843 accum_cck->overrun_err, delta_cck->overrun_err, 844 max_cck->overrun_err); 845 pos += scnprintf(buf + pos, bufsz - pos, 846 fmt_table, "early_overrun_err:", 847 le32_to_cpu(cck->early_overrun_err), 848 accum_cck->early_overrun_err, 849 delta_cck->early_overrun_err, 850 max_cck->early_overrun_err); 851 pos += scnprintf(buf + pos, bufsz - pos, 852 fmt_table, "crc32_good:", 853 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 854 delta_cck->crc32_good, max_cck->crc32_good); 855 pos += scnprintf(buf + pos, bufsz - pos, 856 fmt_table, "false_alarm_cnt:", 857 le32_to_cpu(cck->false_alarm_cnt), 858 accum_cck->false_alarm_cnt, 859 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 860 pos += scnprintf(buf + pos, bufsz - pos, 861 fmt_table, "fina_sync_err_cnt:", 862 le32_to_cpu(cck->fina_sync_err_cnt), 863 accum_cck->fina_sync_err_cnt, 864 delta_cck->fina_sync_err_cnt, 865 max_cck->fina_sync_err_cnt); 866 pos += scnprintf(buf + pos, bufsz - pos, 867 fmt_table, "sfd_timeout:", 868 le32_to_cpu(cck->sfd_timeout), 869 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 870 max_cck->sfd_timeout); 871 pos += scnprintf(buf + pos, bufsz - pos, 872 fmt_table, "fina_timeout:", 873 le32_to_cpu(cck->fina_timeout), 874 accum_cck->fina_timeout, delta_cck->fina_timeout, 875 max_cck->fina_timeout); 876 pos += scnprintf(buf + pos, bufsz - pos, 877 fmt_table, "unresponded_rts:", 878 le32_to_cpu(cck->unresponded_rts), 879 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 880 max_cck->unresponded_rts); 881 pos += scnprintf(buf + pos, bufsz - pos, 882 fmt_table, "rxe_frame_lmt_ovrun:", 883 le32_to_cpu(cck->rxe_frame_limit_overrun), 884 accum_cck->rxe_frame_limit_overrun, 885 delta_cck->rxe_frame_limit_overrun, 886 max_cck->rxe_frame_limit_overrun); 887 pos += scnprintf(buf + pos, bufsz - pos, 888 fmt_table, "sent_ack_cnt:", 889 le32_to_cpu(cck->sent_ack_cnt), 890 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 891 max_cck->sent_ack_cnt); 892 pos += scnprintf(buf + pos, bufsz - pos, 893 fmt_table, "sent_cts_cnt:", 894 le32_to_cpu(cck->sent_cts_cnt), 895 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 896 max_cck->sent_cts_cnt); 897 pos += scnprintf(buf + pos, bufsz - pos, 898 fmt_table, "sent_ba_rsp_cnt:", 899 le32_to_cpu(cck->sent_ba_rsp_cnt), 900 accum_cck->sent_ba_rsp_cnt, 901 delta_cck->sent_ba_rsp_cnt, 902 max_cck->sent_ba_rsp_cnt); 903 pos += scnprintf(buf + pos, bufsz - pos, 904 fmt_table, "dsp_self_kill:", 905 le32_to_cpu(cck->dsp_self_kill), 906 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 907 max_cck->dsp_self_kill); 908 pos += scnprintf(buf + pos, bufsz - pos, 909 fmt_table, "mh_format_err:", 910 le32_to_cpu(cck->mh_format_err), 911 accum_cck->mh_format_err, delta_cck->mh_format_err, 912 max_cck->mh_format_err); 913 pos += scnprintf(buf + pos, bufsz - pos, 914 fmt_table, "re_acq_main_rssi_sum:", 915 le32_to_cpu(cck->re_acq_main_rssi_sum), 916 accum_cck->re_acq_main_rssi_sum, 917 delta_cck->re_acq_main_rssi_sum, 918 max_cck->re_acq_main_rssi_sum); 919 920 pos += scnprintf(buf + pos, bufsz - pos, 921 fmt_header, "Statistics_Rx - GENERAL:"); 922 pos += scnprintf(buf + pos, bufsz - pos, 923 fmt_table, "bogus_cts:", 924 le32_to_cpu(general->bogus_cts), 925 accum_general->bogus_cts, delta_general->bogus_cts, 926 max_general->bogus_cts); 927 pos += scnprintf(buf + pos, bufsz - pos, 928 fmt_table, "bogus_ack:", 929 le32_to_cpu(general->bogus_ack), 930 accum_general->bogus_ack, delta_general->bogus_ack, 931 max_general->bogus_ack); 932 pos += scnprintf(buf + pos, bufsz - pos, 933 fmt_table, "non_bssid_frames:", 934 le32_to_cpu(general->non_bssid_frames), 935 accum_general->non_bssid_frames, 936 delta_general->non_bssid_frames, 937 max_general->non_bssid_frames); 938 pos += scnprintf(buf + pos, bufsz - pos, 939 fmt_table, "filtered_frames:", 940 le32_to_cpu(general->filtered_frames), 941 accum_general->filtered_frames, 942 delta_general->filtered_frames, 943 max_general->filtered_frames); 944 pos += scnprintf(buf + pos, bufsz - pos, 945 fmt_table, "non_channel_beacons:", 946 le32_to_cpu(general->non_channel_beacons), 947 accum_general->non_channel_beacons, 948 delta_general->non_channel_beacons, 949 max_general->non_channel_beacons); 950 pos += scnprintf(buf + pos, bufsz - pos, 951 fmt_table, "channel_beacons:", 952 le32_to_cpu(general->channel_beacons), 953 accum_general->channel_beacons, 954 delta_general->channel_beacons, 955 max_general->channel_beacons); 956 pos += scnprintf(buf + pos, bufsz - pos, 957 fmt_table, "num_missed_bcon:", 958 le32_to_cpu(general->num_missed_bcon), 959 accum_general->num_missed_bcon, 960 delta_general->num_missed_bcon, 961 max_general->num_missed_bcon); 962 pos += scnprintf(buf + pos, bufsz - pos, 963 fmt_table, "adc_rx_saturation_time:", 964 le32_to_cpu(general->adc_rx_saturation_time), 965 accum_general->adc_rx_saturation_time, 966 delta_general->adc_rx_saturation_time, 967 max_general->adc_rx_saturation_time); 968 pos += scnprintf(buf + pos, bufsz - pos, 969 fmt_table, "ina_detect_search_tm:", 970 le32_to_cpu(general->ina_detection_search_time), 971 accum_general->ina_detection_search_time, 972 delta_general->ina_detection_search_time, 973 max_general->ina_detection_search_time); 974 pos += scnprintf(buf + pos, bufsz - pos, 975 fmt_table, "beacon_silence_rssi_a:", 976 le32_to_cpu(general->beacon_silence_rssi_a), 977 accum_general->beacon_silence_rssi_a, 978 delta_general->beacon_silence_rssi_a, 979 max_general->beacon_silence_rssi_a); 980 pos += scnprintf(buf + pos, bufsz - pos, 981 fmt_table, "beacon_silence_rssi_b:", 982 le32_to_cpu(general->beacon_silence_rssi_b), 983 accum_general->beacon_silence_rssi_b, 984 delta_general->beacon_silence_rssi_b, 985 max_general->beacon_silence_rssi_b); 986 pos += scnprintf(buf + pos, bufsz - pos, 987 fmt_table, "beacon_silence_rssi_c:", 988 le32_to_cpu(general->beacon_silence_rssi_c), 989 accum_general->beacon_silence_rssi_c, 990 delta_general->beacon_silence_rssi_c, 991 max_general->beacon_silence_rssi_c); 992 pos += scnprintf(buf + pos, bufsz - pos, 993 fmt_table, "interference_data_flag:", 994 le32_to_cpu(general->interference_data_flag), 995 accum_general->interference_data_flag, 996 delta_general->interference_data_flag, 997 max_general->interference_data_flag); 998 pos += scnprintf(buf + pos, bufsz - pos, 999 fmt_table, "channel_load:", 1000 le32_to_cpu(general->channel_load), 1001 accum_general->channel_load, 1002 delta_general->channel_load, 1003 max_general->channel_load); 1004 pos += scnprintf(buf + pos, bufsz - pos, 1005 fmt_table, "dsp_false_alarms:", 1006 le32_to_cpu(general->dsp_false_alarms), 1007 accum_general->dsp_false_alarms, 1008 delta_general->dsp_false_alarms, 1009 max_general->dsp_false_alarms); 1010 pos += scnprintf(buf + pos, bufsz - pos, 1011 fmt_table, "beacon_rssi_a:", 1012 le32_to_cpu(general->beacon_rssi_a), 1013 accum_general->beacon_rssi_a, 1014 delta_general->beacon_rssi_a, 1015 max_general->beacon_rssi_a); 1016 pos += scnprintf(buf + pos, bufsz - pos, 1017 fmt_table, "beacon_rssi_b:", 1018 le32_to_cpu(general->beacon_rssi_b), 1019 accum_general->beacon_rssi_b, 1020 delta_general->beacon_rssi_b, 1021 max_general->beacon_rssi_b); 1022 pos += scnprintf(buf + pos, bufsz - pos, 1023 fmt_table, "beacon_rssi_c:", 1024 le32_to_cpu(general->beacon_rssi_c), 1025 accum_general->beacon_rssi_c, 1026 delta_general->beacon_rssi_c, 1027 max_general->beacon_rssi_c); 1028 pos += scnprintf(buf + pos, bufsz - pos, 1029 fmt_table, "beacon_energy_a:", 1030 le32_to_cpu(general->beacon_energy_a), 1031 accum_general->beacon_energy_a, 1032 delta_general->beacon_energy_a, 1033 max_general->beacon_energy_a); 1034 pos += scnprintf(buf + pos, bufsz - pos, 1035 fmt_table, "beacon_energy_b:", 1036 le32_to_cpu(general->beacon_energy_b), 1037 accum_general->beacon_energy_b, 1038 delta_general->beacon_energy_b, 1039 max_general->beacon_energy_b); 1040 pos += scnprintf(buf + pos, bufsz - pos, 1041 fmt_table, "beacon_energy_c:", 1042 le32_to_cpu(general->beacon_energy_c), 1043 accum_general->beacon_energy_c, 1044 delta_general->beacon_energy_c, 1045 max_general->beacon_energy_c); 1046 1047 pos += scnprintf(buf + pos, bufsz - pos, 1048 fmt_header, "Statistics_Rx - OFDM_HT:"); 1049 pos += scnprintf(buf + pos, bufsz - pos, 1050 fmt_table, "plcp_err:", 1051 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1052 delta_ht->plcp_err, max_ht->plcp_err); 1053 pos += scnprintf(buf + pos, bufsz - pos, 1054 fmt_table, "overrun_err:", 1055 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1056 delta_ht->overrun_err, max_ht->overrun_err); 1057 pos += scnprintf(buf + pos, bufsz - pos, 1058 fmt_table, "early_overrun_err:", 1059 le32_to_cpu(ht->early_overrun_err), 1060 accum_ht->early_overrun_err, 1061 delta_ht->early_overrun_err, 1062 max_ht->early_overrun_err); 1063 pos += scnprintf(buf + pos, bufsz - pos, 1064 fmt_table, "crc32_good:", 1065 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1066 delta_ht->crc32_good, max_ht->crc32_good); 1067 pos += scnprintf(buf + pos, bufsz - pos, 1068 fmt_table, "crc32_err:", 1069 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1070 delta_ht->crc32_err, max_ht->crc32_err); 1071 pos += scnprintf(buf + pos, bufsz - pos, 1072 fmt_table, "mh_format_err:", 1073 le32_to_cpu(ht->mh_format_err), 1074 accum_ht->mh_format_err, 1075 delta_ht->mh_format_err, max_ht->mh_format_err); 1076 pos += scnprintf(buf + pos, bufsz - pos, 1077 fmt_table, "agg_crc32_good:", 1078 le32_to_cpu(ht->agg_crc32_good), 1079 accum_ht->agg_crc32_good, 1080 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1081 pos += scnprintf(buf + pos, bufsz - pos, 1082 fmt_table, "agg_mpdu_cnt:", 1083 le32_to_cpu(ht->agg_mpdu_cnt), 1084 accum_ht->agg_mpdu_cnt, 1085 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1086 pos += scnprintf(buf + pos, bufsz - pos, 1087 fmt_table, "agg_cnt:", 1088 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1089 delta_ht->agg_cnt, max_ht->agg_cnt); 1090 pos += scnprintf(buf + pos, bufsz - pos, 1091 fmt_table, "unsupport_mcs:", 1092 le32_to_cpu(ht->unsupport_mcs), 1093 accum_ht->unsupport_mcs, 1094 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1095 1096 spin_unlock_bh(&priv->statistics.lock); 1097 1098 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1099 kfree(buf); 1100 return ret; 1101 } 1102 1103 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1104 char __user *user_buf, 1105 size_t count, loff_t *ppos) 1106 { 1107 struct iwl_priv *priv = file->private_data; 1108 int pos = 0; 1109 char *buf; 1110 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1111 ssize_t ret; 1112 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1113 1114 if (!iwl_is_alive(priv)) 1115 return -EAGAIN; 1116 1117 buf = kzalloc(bufsz, GFP_KERNEL); 1118 if (!buf) 1119 return -ENOMEM; 1120 1121 /* the statistic information display here is based on 1122 * the last statistics notification from uCode 1123 * might not reflect the current uCode activity 1124 */ 1125 spin_lock_bh(&priv->statistics.lock); 1126 1127 tx = &priv->statistics.tx; 1128 accum_tx = &priv->accum_stats.tx; 1129 delta_tx = &priv->delta_stats.tx; 1130 max_tx = &priv->max_delta_stats.tx; 1131 1132 pos += iwl_statistics_flag(priv, buf, bufsz); 1133 pos += scnprintf(buf + pos, bufsz - pos, 1134 fmt_header, "Statistics_Tx:"); 1135 pos += scnprintf(buf + pos, bufsz - pos, 1136 fmt_table, "preamble:", 1137 le32_to_cpu(tx->preamble_cnt), 1138 accum_tx->preamble_cnt, 1139 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1140 pos += scnprintf(buf + pos, bufsz - pos, 1141 fmt_table, "rx_detected_cnt:", 1142 le32_to_cpu(tx->rx_detected_cnt), 1143 accum_tx->rx_detected_cnt, 1144 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1145 pos += scnprintf(buf + pos, bufsz - pos, 1146 fmt_table, "bt_prio_defer_cnt:", 1147 le32_to_cpu(tx->bt_prio_defer_cnt), 1148 accum_tx->bt_prio_defer_cnt, 1149 delta_tx->bt_prio_defer_cnt, 1150 max_tx->bt_prio_defer_cnt); 1151 pos += scnprintf(buf + pos, bufsz - pos, 1152 fmt_table, "bt_prio_kill_cnt:", 1153 le32_to_cpu(tx->bt_prio_kill_cnt), 1154 accum_tx->bt_prio_kill_cnt, 1155 delta_tx->bt_prio_kill_cnt, 1156 max_tx->bt_prio_kill_cnt); 1157 pos += scnprintf(buf + pos, bufsz - pos, 1158 fmt_table, "few_bytes_cnt:", 1159 le32_to_cpu(tx->few_bytes_cnt), 1160 accum_tx->few_bytes_cnt, 1161 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1162 pos += scnprintf(buf + pos, bufsz - pos, 1163 fmt_table, "cts_timeout:", 1164 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1165 delta_tx->cts_timeout, max_tx->cts_timeout); 1166 pos += scnprintf(buf + pos, bufsz - pos, 1167 fmt_table, "ack_timeout:", 1168 le32_to_cpu(tx->ack_timeout), 1169 accum_tx->ack_timeout, 1170 delta_tx->ack_timeout, max_tx->ack_timeout); 1171 pos += scnprintf(buf + pos, bufsz - pos, 1172 fmt_table, "expected_ack_cnt:", 1173 le32_to_cpu(tx->expected_ack_cnt), 1174 accum_tx->expected_ack_cnt, 1175 delta_tx->expected_ack_cnt, 1176 max_tx->expected_ack_cnt); 1177 pos += scnprintf(buf + pos, bufsz - pos, 1178 fmt_table, "actual_ack_cnt:", 1179 le32_to_cpu(tx->actual_ack_cnt), 1180 accum_tx->actual_ack_cnt, 1181 delta_tx->actual_ack_cnt, 1182 max_tx->actual_ack_cnt); 1183 pos += scnprintf(buf + pos, bufsz - pos, 1184 fmt_table, "dump_msdu_cnt:", 1185 le32_to_cpu(tx->dump_msdu_cnt), 1186 accum_tx->dump_msdu_cnt, 1187 delta_tx->dump_msdu_cnt, 1188 max_tx->dump_msdu_cnt); 1189 pos += scnprintf(buf + pos, bufsz - pos, 1190 fmt_table, "abort_nxt_frame_mismatch:", 1191 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1192 accum_tx->burst_abort_next_frame_mismatch_cnt, 1193 delta_tx->burst_abort_next_frame_mismatch_cnt, 1194 max_tx->burst_abort_next_frame_mismatch_cnt); 1195 pos += scnprintf(buf + pos, bufsz - pos, 1196 fmt_table, "abort_missing_nxt_frame:", 1197 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1198 accum_tx->burst_abort_missing_next_frame_cnt, 1199 delta_tx->burst_abort_missing_next_frame_cnt, 1200 max_tx->burst_abort_missing_next_frame_cnt); 1201 pos += scnprintf(buf + pos, bufsz - pos, 1202 fmt_table, "cts_timeout_collision:", 1203 le32_to_cpu(tx->cts_timeout_collision), 1204 accum_tx->cts_timeout_collision, 1205 delta_tx->cts_timeout_collision, 1206 max_tx->cts_timeout_collision); 1207 pos += scnprintf(buf + pos, bufsz - pos, 1208 fmt_table, "ack_ba_timeout_collision:", 1209 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1210 accum_tx->ack_or_ba_timeout_collision, 1211 delta_tx->ack_or_ba_timeout_collision, 1212 max_tx->ack_or_ba_timeout_collision); 1213 pos += scnprintf(buf + pos, bufsz - pos, 1214 fmt_table, "agg ba_timeout:", 1215 le32_to_cpu(tx->agg.ba_timeout), 1216 accum_tx->agg.ba_timeout, 1217 delta_tx->agg.ba_timeout, 1218 max_tx->agg.ba_timeout); 1219 pos += scnprintf(buf + pos, bufsz - pos, 1220 fmt_table, "agg ba_resched_frames:", 1221 le32_to_cpu(tx->agg.ba_reschedule_frames), 1222 accum_tx->agg.ba_reschedule_frames, 1223 delta_tx->agg.ba_reschedule_frames, 1224 max_tx->agg.ba_reschedule_frames); 1225 pos += scnprintf(buf + pos, bufsz - pos, 1226 fmt_table, "agg scd_query_agg_frame:", 1227 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1228 accum_tx->agg.scd_query_agg_frame_cnt, 1229 delta_tx->agg.scd_query_agg_frame_cnt, 1230 max_tx->agg.scd_query_agg_frame_cnt); 1231 pos += scnprintf(buf + pos, bufsz - pos, 1232 fmt_table, "agg scd_query_no_agg:", 1233 le32_to_cpu(tx->agg.scd_query_no_agg), 1234 accum_tx->agg.scd_query_no_agg, 1235 delta_tx->agg.scd_query_no_agg, 1236 max_tx->agg.scd_query_no_agg); 1237 pos += scnprintf(buf + pos, bufsz - pos, 1238 fmt_table, "agg scd_query_agg:", 1239 le32_to_cpu(tx->agg.scd_query_agg), 1240 accum_tx->agg.scd_query_agg, 1241 delta_tx->agg.scd_query_agg, 1242 max_tx->agg.scd_query_agg); 1243 pos += scnprintf(buf + pos, bufsz - pos, 1244 fmt_table, "agg scd_query_mismatch:", 1245 le32_to_cpu(tx->agg.scd_query_mismatch), 1246 accum_tx->agg.scd_query_mismatch, 1247 delta_tx->agg.scd_query_mismatch, 1248 max_tx->agg.scd_query_mismatch); 1249 pos += scnprintf(buf + pos, bufsz - pos, 1250 fmt_table, "agg frame_not_ready:", 1251 le32_to_cpu(tx->agg.frame_not_ready), 1252 accum_tx->agg.frame_not_ready, 1253 delta_tx->agg.frame_not_ready, 1254 max_tx->agg.frame_not_ready); 1255 pos += scnprintf(buf + pos, bufsz - pos, 1256 fmt_table, "agg underrun:", 1257 le32_to_cpu(tx->agg.underrun), 1258 accum_tx->agg.underrun, 1259 delta_tx->agg.underrun, max_tx->agg.underrun); 1260 pos += scnprintf(buf + pos, bufsz - pos, 1261 fmt_table, "agg bt_prio_kill:", 1262 le32_to_cpu(tx->agg.bt_prio_kill), 1263 accum_tx->agg.bt_prio_kill, 1264 delta_tx->agg.bt_prio_kill, 1265 max_tx->agg.bt_prio_kill); 1266 pos += scnprintf(buf + pos, bufsz - pos, 1267 fmt_table, "agg rx_ba_rsp_cnt:", 1268 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1269 accum_tx->agg.rx_ba_rsp_cnt, 1270 delta_tx->agg.rx_ba_rsp_cnt, 1271 max_tx->agg.rx_ba_rsp_cnt); 1272 1273 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1274 pos += scnprintf(buf + pos, bufsz - pos, 1275 "tx power: (1/2 dB step)\n"); 1276 if ((priv->nvm_data->valid_tx_ant & ANT_A) && 1277 tx->tx_power.ant_a) 1278 pos += scnprintf(buf + pos, bufsz - pos, 1279 fmt_hex, "antenna A:", 1280 tx->tx_power.ant_a); 1281 if ((priv->nvm_data->valid_tx_ant & ANT_B) && 1282 tx->tx_power.ant_b) 1283 pos += scnprintf(buf + pos, bufsz - pos, 1284 fmt_hex, "antenna B:", 1285 tx->tx_power.ant_b); 1286 if ((priv->nvm_data->valid_tx_ant & ANT_C) && 1287 tx->tx_power.ant_c) 1288 pos += scnprintf(buf + pos, bufsz - pos, 1289 fmt_hex, "antenna C:", 1290 tx->tx_power.ant_c); 1291 } 1292 1293 spin_unlock_bh(&priv->statistics.lock); 1294 1295 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1296 kfree(buf); 1297 return ret; 1298 } 1299 1300 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1301 char __user *user_buf, 1302 size_t count, loff_t *ppos) 1303 { 1304 struct iwl_priv *priv = file->private_data; 1305 int pos = 0; 1306 char *buf; 1307 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1308 ssize_t ret; 1309 struct statistics_general_common *general, *accum_general; 1310 struct statistics_general_common *delta_general, *max_general; 1311 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1312 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1313 1314 if (!iwl_is_alive(priv)) 1315 return -EAGAIN; 1316 1317 buf = kzalloc(bufsz, GFP_KERNEL); 1318 if (!buf) 1319 return -ENOMEM; 1320 1321 /* the statistic information display here is based on 1322 * the last statistics notification from uCode 1323 * might not reflect the current uCode activity 1324 */ 1325 1326 spin_lock_bh(&priv->statistics.lock); 1327 1328 general = &priv->statistics.common; 1329 dbg = &priv->statistics.common.dbg; 1330 div = &priv->statistics.common.div; 1331 accum_general = &priv->accum_stats.common; 1332 accum_dbg = &priv->accum_stats.common.dbg; 1333 accum_div = &priv->accum_stats.common.div; 1334 delta_general = &priv->delta_stats.common; 1335 max_general = &priv->max_delta_stats.common; 1336 delta_dbg = &priv->delta_stats.common.dbg; 1337 max_dbg = &priv->max_delta_stats.common.dbg; 1338 delta_div = &priv->delta_stats.common.div; 1339 max_div = &priv->max_delta_stats.common.div; 1340 1341 pos += iwl_statistics_flag(priv, buf, bufsz); 1342 pos += scnprintf(buf + pos, bufsz - pos, 1343 fmt_header, "Statistics_General:"); 1344 pos += scnprintf(buf + pos, bufsz - pos, 1345 fmt_value, "temperature:", 1346 le32_to_cpu(general->temperature)); 1347 pos += scnprintf(buf + pos, bufsz - pos, 1348 fmt_value, "temperature_m:", 1349 le32_to_cpu(general->temperature_m)); 1350 pos += scnprintf(buf + pos, bufsz - pos, 1351 fmt_value, "ttl_timestamp:", 1352 le32_to_cpu(general->ttl_timestamp)); 1353 pos += scnprintf(buf + pos, bufsz - pos, 1354 fmt_table, "burst_check:", 1355 le32_to_cpu(dbg->burst_check), 1356 accum_dbg->burst_check, 1357 delta_dbg->burst_check, max_dbg->burst_check); 1358 pos += scnprintf(buf + pos, bufsz - pos, 1359 fmt_table, "burst_count:", 1360 le32_to_cpu(dbg->burst_count), 1361 accum_dbg->burst_count, 1362 delta_dbg->burst_count, max_dbg->burst_count); 1363 pos += scnprintf(buf + pos, bufsz - pos, 1364 fmt_table, "wait_for_silence_timeout_count:", 1365 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1366 accum_dbg->wait_for_silence_timeout_cnt, 1367 delta_dbg->wait_for_silence_timeout_cnt, 1368 max_dbg->wait_for_silence_timeout_cnt); 1369 pos += scnprintf(buf + pos, bufsz - pos, 1370 fmt_table, "sleep_time:", 1371 le32_to_cpu(general->sleep_time), 1372 accum_general->sleep_time, 1373 delta_general->sleep_time, max_general->sleep_time); 1374 pos += scnprintf(buf + pos, bufsz - pos, 1375 fmt_table, "slots_out:", 1376 le32_to_cpu(general->slots_out), 1377 accum_general->slots_out, 1378 delta_general->slots_out, max_general->slots_out); 1379 pos += scnprintf(buf + pos, bufsz - pos, 1380 fmt_table, "slots_idle:", 1381 le32_to_cpu(general->slots_idle), 1382 accum_general->slots_idle, 1383 delta_general->slots_idle, max_general->slots_idle); 1384 pos += scnprintf(buf + pos, bufsz - pos, 1385 fmt_table, "tx_on_a:", 1386 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1387 delta_div->tx_on_a, max_div->tx_on_a); 1388 pos += scnprintf(buf + pos, bufsz - pos, 1389 fmt_table, "tx_on_b:", 1390 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1391 delta_div->tx_on_b, max_div->tx_on_b); 1392 pos += scnprintf(buf + pos, bufsz - pos, 1393 fmt_table, "exec_time:", 1394 le32_to_cpu(div->exec_time), accum_div->exec_time, 1395 delta_div->exec_time, max_div->exec_time); 1396 pos += scnprintf(buf + pos, bufsz - pos, 1397 fmt_table, "probe_time:", 1398 le32_to_cpu(div->probe_time), accum_div->probe_time, 1399 delta_div->probe_time, max_div->probe_time); 1400 pos += scnprintf(buf + pos, bufsz - pos, 1401 fmt_table, "rx_enable_counter:", 1402 le32_to_cpu(general->rx_enable_counter), 1403 accum_general->rx_enable_counter, 1404 delta_general->rx_enable_counter, 1405 max_general->rx_enable_counter); 1406 pos += scnprintf(buf + pos, bufsz - pos, 1407 fmt_table, "num_of_sos_states:", 1408 le32_to_cpu(general->num_of_sos_states), 1409 accum_general->num_of_sos_states, 1410 delta_general->num_of_sos_states, 1411 max_general->num_of_sos_states); 1412 1413 spin_unlock_bh(&priv->statistics.lock); 1414 1415 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1416 kfree(buf); 1417 return ret; 1418 } 1419 1420 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1421 char __user *user_buf, 1422 size_t count, loff_t *ppos) 1423 { 1424 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1425 int pos = 0; 1426 char *buf; 1427 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1428 ssize_t ret; 1429 struct statistics_bt_activity *bt, *accum_bt; 1430 1431 if (!iwl_is_alive(priv)) 1432 return -EAGAIN; 1433 1434 if (!priv->bt_enable_flag) 1435 return -EINVAL; 1436 1437 /* make request to uCode to retrieve statistics information */ 1438 mutex_lock(&priv->mutex); 1439 ret = iwl_send_statistics_request(priv, 0, false); 1440 mutex_unlock(&priv->mutex); 1441 1442 if (ret) 1443 return -EAGAIN; 1444 buf = kzalloc(bufsz, GFP_KERNEL); 1445 if (!buf) 1446 return -ENOMEM; 1447 1448 /* 1449 * the statistic information display here is based on 1450 * the last statistics notification from uCode 1451 * might not reflect the current uCode activity 1452 */ 1453 1454 spin_lock_bh(&priv->statistics.lock); 1455 1456 bt = &priv->statistics.bt_activity; 1457 accum_bt = &priv->accum_stats.bt_activity; 1458 1459 pos += iwl_statistics_flag(priv, buf, bufsz); 1460 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1461 pos += scnprintf(buf + pos, bufsz - pos, 1462 "\t\t\tcurrent\t\t\taccumulative\n"); 1463 pos += scnprintf(buf + pos, bufsz - pos, 1464 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1465 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1466 accum_bt->hi_priority_tx_req_cnt); 1467 pos += scnprintf(buf + pos, bufsz - pos, 1468 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1469 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1470 accum_bt->hi_priority_tx_denied_cnt); 1471 pos += scnprintf(buf + pos, bufsz - pos, 1472 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1473 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1474 accum_bt->lo_priority_tx_req_cnt); 1475 pos += scnprintf(buf + pos, bufsz - pos, 1476 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1477 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1478 accum_bt->lo_priority_tx_denied_cnt); 1479 pos += scnprintf(buf + pos, bufsz - pos, 1480 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1481 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1482 accum_bt->hi_priority_rx_req_cnt); 1483 pos += scnprintf(buf + pos, bufsz - pos, 1484 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1485 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1486 accum_bt->hi_priority_rx_denied_cnt); 1487 pos += scnprintf(buf + pos, bufsz - pos, 1488 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1489 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1490 accum_bt->lo_priority_rx_req_cnt); 1491 pos += scnprintf(buf + pos, bufsz - pos, 1492 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1493 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1494 accum_bt->lo_priority_rx_denied_cnt); 1495 1496 pos += scnprintf(buf + pos, bufsz - pos, 1497 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1498 le32_to_cpu(priv->statistics.num_bt_kills), 1499 priv->statistics.accum_num_bt_kills); 1500 1501 spin_unlock_bh(&priv->statistics.lock); 1502 1503 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1504 kfree(buf); 1505 return ret; 1506 } 1507 1508 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1509 char __user *user_buf, 1510 size_t count, loff_t *ppos) 1511 { 1512 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1513 int pos = 0; 1514 char *buf; 1515 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1516 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1517 ssize_t ret; 1518 1519 if (!iwl_is_alive(priv)) 1520 return -EAGAIN; 1521 1522 buf = kzalloc(bufsz, GFP_KERNEL); 1523 if (!buf) 1524 return -ENOMEM; 1525 1526 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1527 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1528 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1529 priv->reply_tx_stats.pp_delay); 1530 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1531 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1532 priv->reply_tx_stats.pp_few_bytes); 1533 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1534 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1535 priv->reply_tx_stats.pp_bt_prio); 1536 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1537 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1538 priv->reply_tx_stats.pp_quiet_period); 1539 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1540 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1541 priv->reply_tx_stats.pp_calc_ttak); 1542 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1543 iwl_get_tx_fail_reason( 1544 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1545 priv->reply_tx_stats.int_crossed_retry); 1546 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1547 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1548 priv->reply_tx_stats.short_limit); 1549 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1550 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1551 priv->reply_tx_stats.long_limit); 1552 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1553 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1554 priv->reply_tx_stats.fifo_underrun); 1555 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1556 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1557 priv->reply_tx_stats.drain_flow); 1558 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1559 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1560 priv->reply_tx_stats.rfkill_flush); 1561 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1562 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1563 priv->reply_tx_stats.life_expire); 1564 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1565 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1566 priv->reply_tx_stats.dest_ps); 1567 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1568 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1569 priv->reply_tx_stats.host_abort); 1570 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1571 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1572 priv->reply_tx_stats.pp_delay); 1573 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1574 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1575 priv->reply_tx_stats.sta_invalid); 1576 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1577 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1578 priv->reply_tx_stats.frag_drop); 1579 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1580 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1581 priv->reply_tx_stats.tid_disable); 1582 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1583 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1584 priv->reply_tx_stats.fifo_flush); 1585 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1586 iwl_get_tx_fail_reason( 1587 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1588 priv->reply_tx_stats.insuff_cf_poll); 1589 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1590 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1591 priv->reply_tx_stats.fail_hw_drop); 1592 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1593 iwl_get_tx_fail_reason( 1594 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1595 priv->reply_tx_stats.sta_color_mismatch); 1596 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1597 priv->reply_tx_stats.unknown); 1598 1599 pos += scnprintf(buf + pos, bufsz - pos, 1600 "\nStatistics_Agg_TX_Error:\n"); 1601 1602 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1603 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1604 priv->reply_agg_tx_stats.underrun); 1605 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1606 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1607 priv->reply_agg_tx_stats.bt_prio); 1608 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1609 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1610 priv->reply_agg_tx_stats.few_bytes); 1611 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1612 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1613 priv->reply_agg_tx_stats.abort); 1614 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1615 iwl_get_agg_tx_fail_reason( 1616 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1617 priv->reply_agg_tx_stats.last_sent_ttl); 1618 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1619 iwl_get_agg_tx_fail_reason( 1620 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1621 priv->reply_agg_tx_stats.last_sent_try); 1622 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1623 iwl_get_agg_tx_fail_reason( 1624 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1625 priv->reply_agg_tx_stats.last_sent_bt_kill); 1626 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1627 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1628 priv->reply_agg_tx_stats.scd_query); 1629 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1630 iwl_get_agg_tx_fail_reason( 1631 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1632 priv->reply_agg_tx_stats.bad_crc32); 1633 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1634 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1635 priv->reply_agg_tx_stats.response); 1636 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1637 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1638 priv->reply_agg_tx_stats.dump_tx); 1639 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1640 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1641 priv->reply_agg_tx_stats.delay_tx); 1642 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1643 priv->reply_agg_tx_stats.unknown); 1644 1645 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1646 kfree(buf); 1647 return ret; 1648 } 1649 1650 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1651 char __user *user_buf, 1652 size_t count, loff_t *ppos) { 1653 1654 struct iwl_priv *priv = file->private_data; 1655 int pos = 0; 1656 int cnt = 0; 1657 char *buf; 1658 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1659 ssize_t ret; 1660 struct iwl_sensitivity_data *data; 1661 1662 data = &priv->sensitivity_data; 1663 buf = kzalloc(bufsz, GFP_KERNEL); 1664 if (!buf) 1665 return -ENOMEM; 1666 1667 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1668 data->auto_corr_ofdm); 1669 pos += scnprintf(buf + pos, bufsz - pos, 1670 "auto_corr_ofdm_mrc:\t\t %u\n", 1671 data->auto_corr_ofdm_mrc); 1672 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1673 data->auto_corr_ofdm_x1); 1674 pos += scnprintf(buf + pos, bufsz - pos, 1675 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1676 data->auto_corr_ofdm_mrc_x1); 1677 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1678 data->auto_corr_cck); 1679 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1680 data->auto_corr_cck_mrc); 1681 pos += scnprintf(buf + pos, bufsz - pos, 1682 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1683 data->last_bad_plcp_cnt_ofdm); 1684 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1685 data->last_fa_cnt_ofdm); 1686 pos += scnprintf(buf + pos, bufsz - pos, 1687 "last_bad_plcp_cnt_cck:\t\t %u\n", 1688 data->last_bad_plcp_cnt_cck); 1689 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1690 data->last_fa_cnt_cck); 1691 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1692 data->nrg_curr_state); 1693 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1694 data->nrg_prev_state); 1695 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1696 for (cnt = 0; cnt < 10; cnt++) { 1697 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1698 data->nrg_value[cnt]); 1699 } 1700 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1701 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1702 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1703 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1704 data->nrg_silence_rssi[cnt]); 1705 } 1706 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1707 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1708 data->nrg_silence_ref); 1709 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1710 data->nrg_energy_idx); 1711 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1712 data->nrg_silence_idx); 1713 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1714 data->nrg_th_cck); 1715 pos += scnprintf(buf + pos, bufsz - pos, 1716 "nrg_auto_corr_silence_diff:\t %u\n", 1717 data->nrg_auto_corr_silence_diff); 1718 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1719 data->num_in_cck_no_fa); 1720 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1721 data->nrg_th_ofdm); 1722 1723 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1724 kfree(buf); 1725 return ret; 1726 } 1727 1728 1729 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1730 char __user *user_buf, 1731 size_t count, loff_t *ppos) { 1732 1733 struct iwl_priv *priv = file->private_data; 1734 int pos = 0; 1735 int cnt = 0; 1736 char *buf; 1737 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1738 ssize_t ret; 1739 struct iwl_chain_noise_data *data; 1740 1741 data = &priv->chain_noise_data; 1742 buf = kzalloc(bufsz, GFP_KERNEL); 1743 if (!buf) 1744 return -ENOMEM; 1745 1746 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1747 data->active_chains); 1748 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1749 data->chain_noise_a); 1750 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1751 data->chain_noise_b); 1752 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1753 data->chain_noise_c); 1754 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1755 data->chain_signal_a); 1756 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1757 data->chain_signal_b); 1758 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1759 data->chain_signal_c); 1760 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1761 data->beacon_count); 1762 1763 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1764 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1765 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1766 data->disconn_array[cnt]); 1767 } 1768 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1769 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1770 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1771 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1772 data->delta_gain_code[cnt]); 1773 } 1774 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1775 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1776 data->radio_write); 1777 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1778 data->state); 1779 1780 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1781 kfree(buf); 1782 return ret; 1783 } 1784 1785 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1786 char __user *user_buf, 1787 size_t count, loff_t *ppos) 1788 { 1789 struct iwl_priv *priv = file->private_data; 1790 char buf[60]; 1791 int pos = 0; 1792 const size_t bufsz = sizeof(buf); 1793 u32 pwrsave_status; 1794 1795 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) & 1796 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1797 1798 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1799 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1800 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1801 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1802 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1803 "error"); 1804 1805 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1806 } 1807 1808 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1809 const char __user *user_buf, 1810 size_t count, loff_t *ppos) 1811 { 1812 struct iwl_priv *priv = file->private_data; 1813 char buf[8]; 1814 int buf_size; 1815 int clear; 1816 1817 memset(buf, 0, sizeof(buf)); 1818 buf_size = min(count, sizeof(buf) - 1); 1819 if (copy_from_user(buf, user_buf, buf_size)) 1820 return -EFAULT; 1821 if (sscanf(buf, "%d", &clear) != 1) 1822 return -EFAULT; 1823 1824 /* make request to uCode to retrieve statistics information */ 1825 mutex_lock(&priv->mutex); 1826 iwl_send_statistics_request(priv, 0, true); 1827 mutex_unlock(&priv->mutex); 1828 1829 return count; 1830 } 1831 1832 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 1833 char __user *user_buf, 1834 size_t count, loff_t *ppos) { 1835 1836 struct iwl_priv *priv = file->private_data; 1837 int pos = 0; 1838 char buf[128]; 1839 const size_t bufsz = sizeof(buf); 1840 1841 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 1842 priv->event_log.ucode_trace ? "On" : "Off"); 1843 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 1844 priv->event_log.non_wraps_count); 1845 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 1846 priv->event_log.wraps_once_count); 1847 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 1848 priv->event_log.wraps_more_count); 1849 1850 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1851 } 1852 1853 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 1854 const char __user *user_buf, 1855 size_t count, loff_t *ppos) 1856 { 1857 struct iwl_priv *priv = file->private_data; 1858 char buf[8]; 1859 int buf_size; 1860 int trace; 1861 1862 memset(buf, 0, sizeof(buf)); 1863 buf_size = min(count, sizeof(buf) - 1); 1864 if (copy_from_user(buf, user_buf, buf_size)) 1865 return -EFAULT; 1866 if (sscanf(buf, "%d", &trace) != 1) 1867 return -EFAULT; 1868 1869 if (trace) { 1870 priv->event_log.ucode_trace = true; 1871 if (iwl_is_alive(priv)) { 1872 /* start collecting data now */ 1873 mod_timer(&priv->ucode_trace, jiffies); 1874 } 1875 } else { 1876 priv->event_log.ucode_trace = false; 1877 del_timer_sync(&priv->ucode_trace); 1878 } 1879 1880 return count; 1881 } 1882 1883 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 1884 char __user *user_buf, 1885 size_t count, loff_t *ppos) { 1886 1887 struct iwl_priv *priv = file->private_data; 1888 int len = 0; 1889 char buf[20]; 1890 1891 len = sprintf(buf, "0x%04X\n", 1892 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 1893 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1894 } 1895 1896 static ssize_t iwl_dbgfs_rxon_filter_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.filter_flags)); 1906 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1907 } 1908 1909 static ssize_t iwl_dbgfs_missed_beacon_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 pos = 0; 1915 char buf[12]; 1916 const size_t bufsz = sizeof(buf); 1917 1918 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 1919 priv->missed_beacon_threshold); 1920 1921 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1922 } 1923 1924 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 1925 const char __user *user_buf, 1926 size_t count, loff_t *ppos) 1927 { 1928 struct iwl_priv *priv = file->private_data; 1929 char buf[8]; 1930 int buf_size; 1931 int missed; 1932 1933 memset(buf, 0, sizeof(buf)); 1934 buf_size = min(count, sizeof(buf) - 1); 1935 if (copy_from_user(buf, user_buf, buf_size)) 1936 return -EFAULT; 1937 if (sscanf(buf, "%d", &missed) != 1) 1938 return -EINVAL; 1939 1940 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 1941 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 1942 priv->missed_beacon_threshold = 1943 IWL_MISSED_BEACON_THRESHOLD_DEF; 1944 else 1945 priv->missed_beacon_threshold = missed; 1946 1947 return count; 1948 } 1949 1950 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 1951 char __user *user_buf, 1952 size_t count, loff_t *ppos) { 1953 1954 struct iwl_priv *priv = file->private_data; 1955 int pos = 0; 1956 char buf[12]; 1957 const size_t bufsz = sizeof(buf); 1958 1959 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 1960 priv->plcp_delta_threshold); 1961 1962 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1963 } 1964 1965 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 1966 const char __user *user_buf, 1967 size_t count, loff_t *ppos) { 1968 1969 struct iwl_priv *priv = file->private_data; 1970 char buf[8]; 1971 int buf_size; 1972 int plcp; 1973 1974 memset(buf, 0, sizeof(buf)); 1975 buf_size = min(count, sizeof(buf) - 1); 1976 if (copy_from_user(buf, user_buf, buf_size)) 1977 return -EFAULT; 1978 if (sscanf(buf, "%d", &plcp) != 1) 1979 return -EINVAL; 1980 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 1981 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 1982 priv->plcp_delta_threshold = 1983 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 1984 else 1985 priv->plcp_delta_threshold = plcp; 1986 return count; 1987 } 1988 1989 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file, 1990 char __user *user_buf, 1991 size_t count, loff_t *ppos) 1992 { 1993 struct iwl_priv *priv = file->private_data; 1994 int pos = 0; 1995 char buf[300]; 1996 const size_t bufsz = sizeof(buf); 1997 struct iwl_rf_reset *rf_reset = &priv->rf_reset; 1998 1999 pos += scnprintf(buf + pos, bufsz - pos, 2000 "RF reset statistics\n"); 2001 pos += scnprintf(buf + pos, bufsz - pos, 2002 "\tnumber of reset request: %d\n", 2003 rf_reset->reset_request_count); 2004 pos += scnprintf(buf + pos, bufsz - pos, 2005 "\tnumber of reset request success: %d\n", 2006 rf_reset->reset_success_count); 2007 pos += scnprintf(buf + pos, bufsz - pos, 2008 "\tnumber of reset request reject: %d\n", 2009 rf_reset->reset_reject_count); 2010 2011 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2012 } 2013 2014 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file, 2015 const char __user *user_buf, 2016 size_t count, loff_t *ppos) { 2017 2018 struct iwl_priv *priv = file->private_data; 2019 int ret; 2020 2021 ret = iwl_force_rf_reset(priv, true); 2022 return ret ? ret : count; 2023 } 2024 2025 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2026 const char __user *user_buf, 2027 size_t count, loff_t *ppos) { 2028 2029 struct iwl_priv *priv = file->private_data; 2030 char buf[8]; 2031 int buf_size; 2032 int flush; 2033 2034 memset(buf, 0, sizeof(buf)); 2035 buf_size = min(count, sizeof(buf) - 1); 2036 if (copy_from_user(buf, user_buf, buf_size)) 2037 return -EFAULT; 2038 if (sscanf(buf, "%d", &flush) != 1) 2039 return -EINVAL; 2040 2041 if (iwl_is_rfkill(priv)) 2042 return -EFAULT; 2043 2044 iwlagn_dev_txfifo_flush(priv); 2045 2046 return count; 2047 } 2048 2049 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2050 char __user *user_buf, 2051 size_t count, loff_t *ppos) { 2052 2053 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2054 int pos = 0; 2055 char buf[200]; 2056 const size_t bufsz = sizeof(buf); 2057 2058 if (!priv->bt_enable_flag) { 2059 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2060 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2061 } 2062 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2063 priv->bt_enable_flag); 2064 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2065 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2066 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2067 "last traffic notif: %d\n", 2068 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2069 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2070 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2071 priv->bt_ch_announce, priv->kill_ack_mask, 2072 priv->kill_cts_mask); 2073 2074 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2075 switch (priv->bt_traffic_load) { 2076 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2077 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2078 break; 2079 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2080 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2081 break; 2082 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2083 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2084 break; 2085 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2086 default: 2087 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2088 break; 2089 } 2090 2091 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2092 } 2093 2094 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2095 char __user *user_buf, 2096 size_t count, loff_t *ppos) 2097 { 2098 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2099 2100 int pos = 0; 2101 char buf[40]; 2102 const size_t bufsz = sizeof(buf); 2103 2104 if (priv->cfg->ht_params) 2105 pos += scnprintf(buf + pos, bufsz - pos, 2106 "use %s for aggregation\n", 2107 (priv->hw_params.use_rts_for_aggregation) ? 2108 "rts/cts" : "cts-to-self"); 2109 else 2110 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2111 2112 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2113 } 2114 2115 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2116 const char __user *user_buf, 2117 size_t count, loff_t *ppos) { 2118 2119 struct iwl_priv *priv = file->private_data; 2120 char buf[8]; 2121 int buf_size; 2122 int rts; 2123 2124 if (!priv->cfg->ht_params) 2125 return -EINVAL; 2126 2127 memset(buf, 0, sizeof(buf)); 2128 buf_size = min(count, sizeof(buf) - 1); 2129 if (copy_from_user(buf, user_buf, buf_size)) 2130 return -EFAULT; 2131 if (sscanf(buf, "%d", &rts) != 1) 2132 return -EINVAL; 2133 if (rts) 2134 priv->hw_params.use_rts_for_aggregation = true; 2135 else 2136 priv->hw_params.use_rts_for_aggregation = false; 2137 return count; 2138 } 2139 2140 static int iwl_cmd_echo_test(struct iwl_priv *priv) 2141 { 2142 int ret; 2143 struct iwl_host_cmd cmd = { 2144 .id = REPLY_ECHO, 2145 .len = { 0 }, 2146 }; 2147 2148 ret = iwl_dvm_send_cmd(priv, &cmd); 2149 if (ret) 2150 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); 2151 else 2152 IWL_DEBUG_INFO(priv, "echo testing pass\n"); 2153 return ret; 2154 } 2155 2156 static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2157 const char __user *user_buf, 2158 size_t count, loff_t *ppos) 2159 { 2160 struct iwl_priv *priv = file->private_data; 2161 char buf[8]; 2162 int buf_size; 2163 2164 memset(buf, 0, sizeof(buf)); 2165 buf_size = min(count, sizeof(buf) - 1); 2166 if (copy_from_user(buf, user_buf, buf_size)) 2167 return -EFAULT; 2168 2169 iwl_cmd_echo_test(priv); 2170 return count; 2171 } 2172 2173 #ifdef CONFIG_IWLWIFI_DEBUG 2174 static ssize_t iwl_dbgfs_log_event_read(struct file *file, 2175 char __user *user_buf, 2176 size_t count, loff_t *ppos) 2177 { 2178 struct iwl_priv *priv = file->private_data; 2179 char *buf = NULL; 2180 ssize_t ret; 2181 2182 ret = iwl_dump_nic_event_log(priv, true, &buf); 2183 if (ret > 0) 2184 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); 2185 kfree(buf); 2186 return ret; 2187 } 2188 2189 static ssize_t iwl_dbgfs_log_event_write(struct file *file, 2190 const char __user *user_buf, 2191 size_t count, loff_t *ppos) 2192 { 2193 struct iwl_priv *priv = file->private_data; 2194 u32 event_log_flag; 2195 char buf[8]; 2196 int buf_size; 2197 2198 /* check that the interface is up */ 2199 if (!iwl_is_ready(priv)) 2200 return -EAGAIN; 2201 2202 memset(buf, 0, sizeof(buf)); 2203 buf_size = min(count, sizeof(buf) - 1); 2204 if (copy_from_user(buf, user_buf, buf_size)) 2205 return -EFAULT; 2206 if (sscanf(buf, "%u", &event_log_flag) != 1) 2207 return -EFAULT; 2208 if (event_log_flag == 1) 2209 iwl_dump_nic_event_log(priv, true, NULL); 2210 2211 return count; 2212 } 2213 #endif 2214 2215 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file, 2216 char __user *user_buf, 2217 size_t count, loff_t *ppos) 2218 { 2219 struct iwl_priv *priv = file->private_data; 2220 char buf[120]; 2221 int pos = 0; 2222 const size_t bufsz = sizeof(buf); 2223 2224 pos += scnprintf(buf + pos, bufsz - pos, 2225 "Sensitivity calibrations %s\n", 2226 (priv->calib_disabled & 2227 IWL_SENSITIVITY_CALIB_DISABLED) ? 2228 "DISABLED" : "ENABLED"); 2229 pos += scnprintf(buf + pos, bufsz - pos, 2230 "Chain noise calibrations %s\n", 2231 (priv->calib_disabled & 2232 IWL_CHAIN_NOISE_CALIB_DISABLED) ? 2233 "DISABLED" : "ENABLED"); 2234 pos += scnprintf(buf + pos, bufsz - pos, 2235 "Tx power calibrations %s\n", 2236 (priv->calib_disabled & 2237 IWL_TX_POWER_CALIB_DISABLED) ? 2238 "DISABLED" : "ENABLED"); 2239 2240 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2241 } 2242 2243 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, 2244 const char __user *user_buf, 2245 size_t count, loff_t *ppos) 2246 { 2247 struct iwl_priv *priv = file->private_data; 2248 char buf[8]; 2249 u32 calib_disabled; 2250 int buf_size; 2251 2252 memset(buf, 0, sizeof(buf)); 2253 buf_size = min(count, sizeof(buf) - 1); 2254 if (copy_from_user(buf, user_buf, buf_size)) 2255 return -EFAULT; 2256 if (sscanf(buf, "%x", &calib_disabled) != 1) 2257 return -EFAULT; 2258 2259 priv->calib_disabled = calib_disabled; 2260 2261 return count; 2262 } 2263 2264 static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, 2265 const char __user *user_buf, 2266 size_t count, loff_t *ppos) 2267 { 2268 struct iwl_priv *priv = file->private_data; 2269 bool fw_restart = iwlwifi_mod_params.fw_restart; 2270 int __maybe_unused ret; 2271 2272 iwlwifi_mod_params.fw_restart = true; 2273 2274 mutex_lock(&priv->mutex); 2275 2276 /* take the return value to make compiler happy - it will fail anyway */ 2277 ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, 0, 0, NULL); 2278 2279 mutex_unlock(&priv->mutex); 2280 2281 iwlwifi_mod_params.fw_restart = fw_restart; 2282 2283 return count; 2284 } 2285 2286 DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2287 DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2288 DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2289 DEBUGFS_READ_FILE_OPS(sensitivity); 2290 DEBUGFS_READ_FILE_OPS(chain_noise); 2291 DEBUGFS_READ_FILE_OPS(power_save_status); 2292 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2293 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2294 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2295 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2296 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset); 2297 DEBUGFS_READ_FILE_OPS(rxon_flags); 2298 DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2299 DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2300 DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2301 DEBUGFS_READ_FILE_OPS(bt_traffic); 2302 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2303 DEBUGFS_READ_FILE_OPS(reply_tx_error); 2304 DEBUGFS_WRITE_FILE_OPS(echo_test); 2305 DEBUGFS_WRITE_FILE_OPS(fw_restart); 2306 #ifdef CONFIG_IWLWIFI_DEBUG 2307 DEBUGFS_READ_WRITE_FILE_OPS(log_event); 2308 #endif 2309 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled); 2310 2311 /* 2312 * Create the debugfs files and directories 2313 * 2314 */ 2315 void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir) 2316 { 2317 struct dentry *dir_data, *dir_rf, *dir_debug; 2318 2319 priv->debugfs_dir = dbgfs_dir; 2320 2321 dir_data = debugfs_create_dir("data", dbgfs_dir); 2322 dir_rf = debugfs_create_dir("rf", dbgfs_dir); 2323 dir_debug = debugfs_create_dir("debug", dbgfs_dir); 2324 2325 DEBUGFS_ADD_FILE(nvm, dir_data, 0400); 2326 DEBUGFS_ADD_FILE(sram, dir_data, 0600); 2327 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, 0400); 2328 DEBUGFS_ADD_FILE(stations, dir_data, 0400); 2329 DEBUGFS_ADD_FILE(channels, dir_data, 0400); 2330 DEBUGFS_ADD_FILE(status, dir_data, 0400); 2331 DEBUGFS_ADD_FILE(rx_handlers, dir_data, 0600); 2332 DEBUGFS_ADD_FILE(qos, dir_data, 0400); 2333 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, 0600); 2334 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, 0400); 2335 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, 0400); 2336 DEBUGFS_ADD_FILE(disable_ht40, dir_data, 0600); 2337 DEBUGFS_ADD_FILE(temperature, dir_data, 0400); 2338 2339 DEBUGFS_ADD_FILE(power_save_status, dir_debug, 0400); 2340 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, 0200); 2341 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, 0200); 2342 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, 0600); 2343 DEBUGFS_ADD_FILE(rf_reset, dir_debug, 0600); 2344 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, 0400); 2345 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, 0400); 2346 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, 0400); 2347 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, 0200); 2348 DEBUGFS_ADD_FILE(protection_mode, dir_debug, 0600); 2349 DEBUGFS_ADD_FILE(sensitivity, dir_debug, 0400); 2350 DEBUGFS_ADD_FILE(chain_noise, dir_debug, 0400); 2351 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, 0600); 2352 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, 0400); 2353 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, 0400); 2354 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, 0200); 2355 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, 0200); 2356 DEBUGFS_ADD_FILE(echo_test, dir_debug, 0200); 2357 DEBUGFS_ADD_FILE(fw_restart, dir_debug, 0200); 2358 #ifdef CONFIG_IWLWIFI_DEBUG 2359 DEBUGFS_ADD_FILE(log_event, dir_debug, 0600); 2360 #endif 2361 2362 if (iwl_advanced_bt_coexist(priv)) 2363 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, 0400); 2364 2365 /* Calibrations disabled/enabled status*/ 2366 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, 0600); 2367 2368 /* 2369 * Create a symlink with mac80211. This is not very robust, as it does 2370 * not remove the symlink created. The implicit assumption is that 2371 * when the opmode exits, mac80211 will also exit, and will remove 2372 * this symlink as part of its cleanup. 2373 */ 2374 if (priv->mac80211_registered) { 2375 char buf[100]; 2376 struct dentry *mac80211_dir, *dev_dir; 2377 2378 dev_dir = dbgfs_dir->d_parent; 2379 mac80211_dir = priv->hw->wiphy->debugfsdir; 2380 2381 snprintf(buf, 100, "../../%pd2", dev_dir); 2382 2383 debugfs_create_symlink("iwlwifi", mac80211_dir, buf); 2384 } 2385 } 2386