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