1 /****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of version 2 of the GNU General Public License as 9 * published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * General Public License for more details. 15 * 16 * The full GNU General Public License is included in this distribution 17 * in the file called COPYING. 18 * 19 * Contact Information: 20 * Intel Linux Wireless <linuxwifi@intel.com> 21 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 22 *****************************************************************************/ 23 24 #include <linux/slab.h> 25 #include <linux/kernel.h> 26 #include <linux/module.h> 27 #include <linux/debugfs.h> 28 #include <linux/ieee80211.h> 29 #include <net/mac80211.h> 30 31 #include "iwl-debug.h" 32 #include "iwl-trans.h" 33 #include "iwl-io.h" 34 #include "dev.h" 35 #include "agn.h" 36 37 /* create and remove of files */ 38 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 39 if (!debugfs_create_file(#name, mode, parent, priv, \ 40 &iwl_dbgfs_##name##_ops)) \ 41 goto err; \ 42 } while (0) 43 44 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 45 struct dentry *__tmp; \ 46 __tmp = debugfs_create_bool(#name, 0600, parent, ptr); \ 47 if (IS_ERR(__tmp) || !__tmp) \ 48 goto err; \ 49 } while (0) 50 51 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 52 struct dentry *__tmp; \ 53 __tmp = debugfs_create_x32(#name, 0600, parent, ptr); \ 54 if (IS_ERR(__tmp) || !__tmp) \ 55 goto err; \ 56 } while (0) 57 58 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \ 59 struct dentry *__tmp; \ 60 __tmp = debugfs_create_u32(#name, mode, \ 61 parent, ptr); \ 62 if (IS_ERR(__tmp) || !__tmp) \ 63 goto err; \ 64 } while (0) 65 66 /* file operation */ 67 #define DEBUGFS_READ_FILE_OPS(name) \ 68 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 69 .read = iwl_dbgfs_##name##_read, \ 70 .open = simple_open, \ 71 .llseek = generic_file_llseek, \ 72 }; 73 74 #define DEBUGFS_WRITE_FILE_OPS(name) \ 75 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 76 .write = iwl_dbgfs_##name##_write, \ 77 .open = simple_open, \ 78 .llseek = generic_file_llseek, \ 79 }; 80 81 82 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 83 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 84 .write = iwl_dbgfs_##name##_write, \ 85 .read = iwl_dbgfs_##name##_read, \ 86 .open = simple_open, \ 87 .llseek = generic_file_llseek, \ 88 }; 89 90 static ssize_t iwl_dbgfs_sram_read(struct file *file, 91 char __user *user_buf, 92 size_t count, loff_t *ppos) 93 { 94 u32 val = 0; 95 char *buf; 96 ssize_t ret; 97 int i = 0; 98 bool device_format = false; 99 int offset = 0; 100 int len = 0; 101 int pos = 0; 102 int sram; 103 struct iwl_priv *priv = file->private_data; 104 const struct fw_img *img; 105 size_t bufsz; 106 107 if (!iwl_is_ready_rf(priv)) 108 return -EAGAIN; 109 110 /* default is to dump the entire data segment */ 111 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 112 priv->dbgfs_sram_offset = 0x800000; 113 if (!priv->ucode_loaded) 114 return -EINVAL; 115 img = &priv->fw->img[priv->cur_ucode]; 116 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 117 } 118 len = priv->dbgfs_sram_len; 119 120 if (len == -4) { 121 device_format = true; 122 len = 4; 123 } 124 125 bufsz = 50 + len * 4; 126 buf = kmalloc(bufsz, GFP_KERNEL); 127 if (!buf) 128 return -ENOMEM; 129 130 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 131 len); 132 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 133 priv->dbgfs_sram_offset); 134 135 /* adjust sram address since reads are only on even u32 boundaries */ 136 offset = priv->dbgfs_sram_offset & 0x3; 137 sram = priv->dbgfs_sram_offset & ~0x3; 138 139 /* read the first u32 from sram */ 140 val = iwl_trans_read_mem32(priv->trans, sram); 141 142 for (; len; len--) { 143 /* put the address at the start of every line */ 144 if (i == 0) 145 pos += scnprintf(buf + pos, bufsz - pos, 146 "%08X: ", sram + offset); 147 148 if (device_format) 149 pos += scnprintf(buf + pos, bufsz - pos, 150 "%02x", (val >> (8 * (3 - offset))) & 0xff); 151 else 152 pos += scnprintf(buf + pos, bufsz - pos, 153 "%02x ", (val >> (8 * offset)) & 0xff); 154 155 /* if all bytes processed, read the next u32 from sram */ 156 if (++offset == 4) { 157 sram += 4; 158 offset = 0; 159 val = iwl_trans_read_mem32(priv->trans, sram); 160 } 161 162 /* put in extra spaces and split lines for human readability */ 163 if (++i == 16) { 164 i = 0; 165 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 166 } else if (!(i & 7)) { 167 pos += scnprintf(buf + pos, bufsz - pos, " "); 168 } else if (!(i & 3)) { 169 pos += scnprintf(buf + pos, bufsz - pos, " "); 170 } 171 } 172 if (i) 173 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 174 175 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 176 kfree(buf); 177 return ret; 178 } 179 180 static ssize_t iwl_dbgfs_sram_write(struct file *file, 181 const char __user *user_buf, 182 size_t count, loff_t *ppos) 183 { 184 struct iwl_priv *priv = file->private_data; 185 char buf[64]; 186 int buf_size; 187 u32 offset, len; 188 189 memset(buf, 0, sizeof(buf)); 190 buf_size = min(count, sizeof(buf) - 1); 191 if (copy_from_user(buf, user_buf, buf_size)) 192 return -EFAULT; 193 194 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 195 priv->dbgfs_sram_offset = offset; 196 priv->dbgfs_sram_len = len; 197 } else if (sscanf(buf, "%x", &offset) == 1) { 198 priv->dbgfs_sram_offset = offset; 199 priv->dbgfs_sram_len = -4; 200 } else { 201 priv->dbgfs_sram_offset = 0; 202 priv->dbgfs_sram_len = 0; 203 } 204 205 return count; 206 } 207 208 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 209 char __user *user_buf, 210 size_t count, loff_t *ppos) 211 { 212 struct iwl_priv *priv = file->private_data; 213 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; 214 215 if (!priv->wowlan_sram) 216 return -ENODATA; 217 218 return simple_read_from_buffer(user_buf, count, ppos, 219 priv->wowlan_sram, 220 img->sec[IWL_UCODE_SECTION_DATA].len); 221 } 222 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 223 size_t count, loff_t *ppos) 224 { 225 struct iwl_priv *priv = file->private_data; 226 struct iwl_station_entry *station; 227 struct iwl_tid_data *tid_data; 228 char *buf; 229 int i, j, pos = 0; 230 ssize_t ret; 231 /* Add 30 for initial string */ 232 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 233 234 buf = kmalloc(bufsz, GFP_KERNEL); 235 if (!buf) 236 return -ENOMEM; 237 238 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 239 priv->num_stations); 240 241 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 242 station = &priv->stations[i]; 243 if (!station->used) 244 continue; 245 pos += scnprintf(buf + pos, bufsz - pos, 246 "station %d - addr: %pM, flags: %#x\n", 247 i, station->sta.sta.addr, 248 station->sta.station_flags_msk); 249 pos += scnprintf(buf + pos, bufsz - pos, 250 "TID seqno next_rclmd " 251 "rate_n_flags state txq\n"); 252 253 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 254 tid_data = &priv->tid_data[i][j]; 255 pos += scnprintf(buf + pos, bufsz - pos, 256 "%d: 0x%.4x 0x%.4x 0x%.8x " 257 "%d %.2d", 258 j, tid_data->seq_number, 259 tid_data->next_reclaimed, 260 tid_data->agg.rate_n_flags, 261 tid_data->agg.state, 262 tid_data->agg.txq_id); 263 264 if (tid_data->agg.wait_for_ba) 265 pos += scnprintf(buf + pos, bufsz - pos, 266 " - waitforba"); 267 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 268 } 269 270 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 271 } 272 273 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 274 kfree(buf); 275 return ret; 276 } 277 278 static ssize_t iwl_dbgfs_nvm_read(struct file *file, 279 char __user *user_buf, 280 size_t count, 281 loff_t *ppos) 282 { 283 ssize_t ret; 284 struct iwl_priv *priv = file->private_data; 285 int pos = 0, ofs = 0, buf_size = 0; 286 const u8 *ptr; 287 char *buf; 288 u16 nvm_ver; 289 size_t eeprom_len = priv->eeprom_blob_size; 290 buf_size = 4 * eeprom_len + 256; 291 292 if (eeprom_len % 16) 293 return -ENODATA; 294 295 ptr = priv->eeprom_blob; 296 if (!ptr) 297 return -ENOMEM; 298 299 /* 4 characters for byte 0xYY */ 300 buf = kzalloc(buf_size, GFP_KERNEL); 301 if (!buf) 302 return -ENOMEM; 303 304 nvm_ver = priv->nvm_data->nvm_version; 305 pos += scnprintf(buf + pos, buf_size - pos, 306 "NVM version: 0x%x\n", nvm_ver); 307 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 308 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n", 309 ofs, ptr + ofs); 310 } 311 312 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 313 kfree(buf); 314 return ret; 315 } 316 317 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 318 size_t count, loff_t *ppos) 319 { 320 struct iwl_priv *priv = file->private_data; 321 struct ieee80211_channel *channels = NULL; 322 const struct ieee80211_supported_band *supp_band = NULL; 323 int pos = 0, i, bufsz = PAGE_SIZE; 324 char *buf; 325 ssize_t ret; 326 327 buf = kzalloc(bufsz, GFP_KERNEL); 328 if (!buf) 329 return -ENOMEM; 330 331 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_2GHZ); 332 if (supp_band) { 333 channels = supp_band->channels; 334 335 pos += scnprintf(buf + pos, bufsz - pos, 336 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 337 supp_band->n_channels); 338 339 for (i = 0; i < supp_band->n_channels; i++) 340 pos += scnprintf(buf + pos, bufsz - pos, 341 "%d: %ddBm: BSS%s%s, %s.\n", 342 channels[i].hw_value, 343 channels[i].max_power, 344 channels[i].flags & IEEE80211_CHAN_RADAR ? 345 " (IEEE 802.11h required)" : "", 346 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 347 || (channels[i].flags & 348 IEEE80211_CHAN_RADAR)) ? "" : 349 ", IBSS", 350 channels[i].flags & 351 IEEE80211_CHAN_NO_IR ? 352 "passive only" : "active/passive"); 353 } 354 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_5GHZ); 355 if (supp_band) { 356 channels = supp_band->channels; 357 358 pos += scnprintf(buf + pos, bufsz - pos, 359 "Displaying %d channels in 5.2GHz band (802.11a)\n", 360 supp_band->n_channels); 361 362 for (i = 0; i < supp_band->n_channels; i++) 363 pos += scnprintf(buf + pos, bufsz - pos, 364 "%d: %ddBm: BSS%s%s, %s.\n", 365 channels[i].hw_value, 366 channels[i].max_power, 367 channels[i].flags & IEEE80211_CHAN_RADAR ? 368 " (IEEE 802.11h required)" : "", 369 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 370 || (channels[i].flags & 371 IEEE80211_CHAN_RADAR)) ? "" : 372 ", IBSS", 373 channels[i].flags & 374 IEEE80211_CHAN_NO_IR ? 375 "passive only" : "active/passive"); 376 } 377 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 378 kfree(buf); 379 return ret; 380 } 381 382 static ssize_t iwl_dbgfs_status_read(struct file *file, 383 char __user *user_buf, 384 size_t count, loff_t *ppos) { 385 386 struct iwl_priv *priv = file->private_data; 387 char buf[512]; 388 int pos = 0; 389 const size_t bufsz = sizeof(buf); 390 391 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 392 test_bit(STATUS_RF_KILL_HW, &priv->status)); 393 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 394 test_bit(STATUS_CT_KILL, &priv->status)); 395 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 396 test_bit(STATUS_ALIVE, &priv->status)); 397 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 398 test_bit(STATUS_READY, &priv->status)); 399 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 400 test_bit(STATUS_EXIT_PENDING, &priv->status)); 401 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 402 test_bit(STATUS_STATISTICS, &priv->status)); 403 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 404 test_bit(STATUS_SCANNING, &priv->status)); 405 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 406 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 407 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 408 test_bit(STATUS_SCAN_HW, &priv->status)); 409 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 410 test_bit(STATUS_POWER_PMI, &priv->status)); 411 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 412 test_bit(STATUS_FW_ERROR, &priv->status)); 413 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 414 } 415 416 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 417 char __user *user_buf, 418 size_t count, loff_t *ppos) { 419 420 struct iwl_priv *priv = file->private_data; 421 422 int pos = 0; 423 int cnt = 0; 424 char *buf; 425 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 426 ssize_t ret; 427 428 buf = kzalloc(bufsz, GFP_KERNEL); 429 if (!buf) 430 return -ENOMEM; 431 432 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 433 if (priv->rx_handlers_stats[cnt] > 0) 434 pos += scnprintf(buf + pos, bufsz - pos, 435 "\tRx handler[%36s]:\t\t %u\n", 436 iwl_get_cmd_string(priv->trans, (u32)cnt), 437 priv->rx_handlers_stats[cnt]); 438 } 439 440 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 441 kfree(buf); 442 return ret; 443 } 444 445 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 446 const char __user *user_buf, 447 size_t count, loff_t *ppos) 448 { 449 struct iwl_priv *priv = file->private_data; 450 451 char buf[8]; 452 int buf_size; 453 u32 reset_flag; 454 455 memset(buf, 0, sizeof(buf)); 456 buf_size = min(count, sizeof(buf) - 1); 457 if (copy_from_user(buf, user_buf, buf_size)) 458 return -EFAULT; 459 if (sscanf(buf, "%x", &reset_flag) != 1) 460 return -EFAULT; 461 if (reset_flag == 0) 462 memset(&priv->rx_handlers_stats[0], 0, 463 sizeof(priv->rx_handlers_stats)); 464 465 return count; 466 } 467 468 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 469 size_t count, loff_t *ppos) 470 { 471 struct iwl_priv *priv = file->private_data; 472 struct iwl_rxon_context *ctx; 473 int pos = 0, i; 474 char buf[256 * NUM_IWL_RXON_CTX]; 475 const size_t bufsz = sizeof(buf); 476 477 for_each_context(priv, ctx) { 478 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 479 ctx->ctxid); 480 for (i = 0; i < AC_NUM; i++) { 481 pos += scnprintf(buf + pos, bufsz - pos, 482 "\tcw_min\tcw_max\taifsn\ttxop\n"); 483 pos += scnprintf(buf + pos, bufsz - pos, 484 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 485 ctx->qos_data.def_qos_parm.ac[i].cw_min, 486 ctx->qos_data.def_qos_parm.ac[i].cw_max, 487 ctx->qos_data.def_qos_parm.ac[i].aifsn, 488 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 489 } 490 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 491 } 492 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 493 } 494 495 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 496 char __user *user_buf, 497 size_t count, loff_t *ppos) 498 { 499 struct iwl_priv *priv = file->private_data; 500 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 501 struct iwl_tt_restriction *restriction; 502 char buf[100]; 503 int pos = 0; 504 const size_t bufsz = sizeof(buf); 505 506 pos += scnprintf(buf + pos, bufsz - pos, 507 "Thermal Throttling Mode: %s\n", 508 tt->advanced_tt ? "Advance" : "Legacy"); 509 pos += scnprintf(buf + pos, bufsz - pos, 510 "Thermal Throttling State: %d\n", 511 tt->state); 512 if (tt->advanced_tt) { 513 restriction = tt->restriction + tt->state; 514 pos += scnprintf(buf + pos, bufsz - pos, 515 "Tx mode: %d\n", 516 restriction->tx_stream); 517 pos += scnprintf(buf + pos, bufsz - pos, 518 "Rx mode: %d\n", 519 restriction->rx_stream); 520 pos += scnprintf(buf + pos, bufsz - pos, 521 "HT mode: %d\n", 522 restriction->is_ht); 523 } 524 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 525 } 526 527 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 528 const char __user *user_buf, 529 size_t count, loff_t *ppos) 530 { 531 struct iwl_priv *priv = file->private_data; 532 char buf[8]; 533 int buf_size; 534 int ht40; 535 536 memset(buf, 0, sizeof(buf)); 537 buf_size = min(count, sizeof(buf) - 1); 538 if (copy_from_user(buf, user_buf, buf_size)) 539 return -EFAULT; 540 if (sscanf(buf, "%d", &ht40) != 1) 541 return -EFAULT; 542 if (!iwl_is_any_associated(priv)) 543 priv->disable_ht40 = ht40 ? true : false; 544 else 545 return -EINVAL; 546 547 return count; 548 } 549 550 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 551 char __user *user_buf, 552 size_t count, loff_t *ppos) 553 { 554 struct iwl_priv *priv = file->private_data; 555 char buf[100]; 556 int pos = 0; 557 const size_t bufsz = sizeof(buf); 558 559 pos += scnprintf(buf + pos, bufsz - pos, 560 "11n 40MHz Mode: %s\n", 561 priv->disable_ht40 ? "Disabled" : "Enabled"); 562 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 563 } 564 565 static ssize_t iwl_dbgfs_temperature_read(struct file *file, 566 char __user *user_buf, 567 size_t count, loff_t *ppos) 568 { 569 struct iwl_priv *priv = file->private_data; 570 char buf[8]; 571 int pos = 0; 572 const size_t bufsz = sizeof(buf); 573 574 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 575 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 576 } 577 578 579 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 580 const char __user *user_buf, 581 size_t count, loff_t *ppos) 582 { 583 struct iwl_priv *priv = file->private_data; 584 char buf[8]; 585 int buf_size; 586 int value; 587 588 memset(buf, 0, sizeof(buf)); 589 buf_size = min(count, sizeof(buf) - 1); 590 if (copy_from_user(buf, user_buf, buf_size)) 591 return -EFAULT; 592 593 if (sscanf(buf, "%d", &value) != 1) 594 return -EINVAL; 595 596 /* 597 * Our users expect 0 to be "CAM", but 0 isn't actually 598 * valid here. However, let's not confuse them and present 599 * IWL_POWER_INDEX_1 as "1", not "0". 600 */ 601 if (value == 0) 602 return -EINVAL; 603 else if (value > 0) 604 value -= 1; 605 606 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 607 return -EINVAL; 608 609 if (!iwl_is_ready_rf(priv)) 610 return -EAGAIN; 611 612 priv->power_data.debug_sleep_level_override = value; 613 614 mutex_lock(&priv->mutex); 615 iwl_power_update_mode(priv, true); 616 mutex_unlock(&priv->mutex); 617 618 return count; 619 } 620 621 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 622 char __user *user_buf, 623 size_t count, loff_t *ppos) 624 { 625 struct iwl_priv *priv = file->private_data; 626 char buf[10]; 627 int pos, value; 628 const size_t bufsz = sizeof(buf); 629 630 /* see the write function */ 631 value = priv->power_data.debug_sleep_level_override; 632 if (value >= 0) 633 value += 1; 634 635 pos = scnprintf(buf, bufsz, "%d\n", value); 636 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 637 } 638 639 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 640 char __user *user_buf, 641 size_t count, loff_t *ppos) 642 { 643 struct iwl_priv *priv = file->private_data; 644 char buf[200]; 645 int pos = 0, i; 646 const size_t bufsz = sizeof(buf); 647 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 648 649 pos += scnprintf(buf + pos, bufsz - pos, 650 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 651 pos += scnprintf(buf + pos, bufsz - pos, 652 "RX/TX timeout: %d/%d usec\n", 653 le32_to_cpu(cmd->rx_data_timeout), 654 le32_to_cpu(cmd->tx_data_timeout)); 655 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 656 pos += scnprintf(buf + pos, bufsz - pos, 657 "sleep_interval[%d]: %d\n", i, 658 le32_to_cpu(cmd->sleep_interval[i])); 659 660 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 661 } 662 663 DEBUGFS_READ_WRITE_FILE_OPS(sram); 664 DEBUGFS_READ_FILE_OPS(wowlan_sram); 665 DEBUGFS_READ_FILE_OPS(nvm); 666 DEBUGFS_READ_FILE_OPS(stations); 667 DEBUGFS_READ_FILE_OPS(channels); 668 DEBUGFS_READ_FILE_OPS(status); 669 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 670 DEBUGFS_READ_FILE_OPS(qos); 671 DEBUGFS_READ_FILE_OPS(thermal_throttling); 672 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 673 DEBUGFS_READ_FILE_OPS(temperature); 674 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 675 DEBUGFS_READ_FILE_OPS(current_sleep_command); 676 677 #define fmt_value " %-30s %10u\n" 678 #define fmt_hex " %-30s 0x%02X\n" 679 #define fmt_table " %-30s %10u %10u %10u %10u\n" 680 #define fmt_header "%-32s current cumulative delta max\n" 681 682 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 683 { 684 int p = 0; 685 u32 flag; 686 687 lockdep_assert_held(&priv->statistics.lock); 688 689 flag = le32_to_cpu(priv->statistics.flag); 690 691 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 692 if (flag & UCODE_STATISTICS_CLEAR_MSK) 693 p += scnprintf(buf + p, bufsz - p, 694 "\tStatistics have been cleared\n"); 695 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 696 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 697 ? "2.4 GHz" : "5.2 GHz"); 698 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 699 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 700 ? "enabled" : "disabled"); 701 702 return p; 703 } 704 705 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 706 char __user *user_buf, 707 size_t count, loff_t *ppos) 708 { 709 struct iwl_priv *priv = file->private_data; 710 int pos = 0; 711 char *buf; 712 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 713 sizeof(struct statistics_rx_non_phy) * 40 + 714 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 715 ssize_t ret; 716 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 717 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 718 struct statistics_rx_non_phy *general, *accum_general; 719 struct statistics_rx_non_phy *delta_general, *max_general; 720 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 721 722 if (!iwl_is_alive(priv)) 723 return -EAGAIN; 724 725 buf = kzalloc(bufsz, GFP_KERNEL); 726 if (!buf) 727 return -ENOMEM; 728 729 /* 730 * the statistic information display here is based on 731 * the last statistics notification from uCode 732 * might not reflect the current uCode activity 733 */ 734 spin_lock_bh(&priv->statistics.lock); 735 ofdm = &priv->statistics.rx_ofdm; 736 cck = &priv->statistics.rx_cck; 737 general = &priv->statistics.rx_non_phy; 738 ht = &priv->statistics.rx_ofdm_ht; 739 accum_ofdm = &priv->accum_stats.rx_ofdm; 740 accum_cck = &priv->accum_stats.rx_cck; 741 accum_general = &priv->accum_stats.rx_non_phy; 742 accum_ht = &priv->accum_stats.rx_ofdm_ht; 743 delta_ofdm = &priv->delta_stats.rx_ofdm; 744 delta_cck = &priv->delta_stats.rx_cck; 745 delta_general = &priv->delta_stats.rx_non_phy; 746 delta_ht = &priv->delta_stats.rx_ofdm_ht; 747 max_ofdm = &priv->max_delta_stats.rx_ofdm; 748 max_cck = &priv->max_delta_stats.rx_cck; 749 max_general = &priv->max_delta_stats.rx_non_phy; 750 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 751 752 pos += iwl_statistics_flag(priv, buf, bufsz); 753 pos += scnprintf(buf + pos, bufsz - pos, 754 fmt_header, "Statistics_Rx - OFDM:"); 755 pos += scnprintf(buf + pos, bufsz - pos, 756 fmt_table, "ina_cnt:", 757 le32_to_cpu(ofdm->ina_cnt), 758 accum_ofdm->ina_cnt, 759 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 760 pos += scnprintf(buf + pos, bufsz - pos, 761 fmt_table, "fina_cnt:", 762 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 763 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 764 pos += scnprintf(buf + pos, bufsz - pos, 765 fmt_table, "plcp_err:", 766 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 767 delta_ofdm->plcp_err, max_ofdm->plcp_err); 768 pos += scnprintf(buf + pos, bufsz - pos, 769 fmt_table, "crc32_err:", 770 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 771 delta_ofdm->crc32_err, max_ofdm->crc32_err); 772 pos += scnprintf(buf + pos, bufsz - pos, 773 fmt_table, "overrun_err:", 774 le32_to_cpu(ofdm->overrun_err), 775 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 776 max_ofdm->overrun_err); 777 pos += scnprintf(buf + pos, bufsz - pos, 778 fmt_table, "early_overrun_err:", 779 le32_to_cpu(ofdm->early_overrun_err), 780 accum_ofdm->early_overrun_err, 781 delta_ofdm->early_overrun_err, 782 max_ofdm->early_overrun_err); 783 pos += scnprintf(buf + pos, bufsz - pos, 784 fmt_table, "crc32_good:", 785 le32_to_cpu(ofdm->crc32_good), 786 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 787 max_ofdm->crc32_good); 788 pos += scnprintf(buf + pos, bufsz - pos, 789 fmt_table, "false_alarm_cnt:", 790 le32_to_cpu(ofdm->false_alarm_cnt), 791 accum_ofdm->false_alarm_cnt, 792 delta_ofdm->false_alarm_cnt, 793 max_ofdm->false_alarm_cnt); 794 pos += scnprintf(buf + pos, bufsz - pos, 795 fmt_table, "fina_sync_err_cnt:", 796 le32_to_cpu(ofdm->fina_sync_err_cnt), 797 accum_ofdm->fina_sync_err_cnt, 798 delta_ofdm->fina_sync_err_cnt, 799 max_ofdm->fina_sync_err_cnt); 800 pos += scnprintf(buf + pos, bufsz - pos, 801 fmt_table, "sfd_timeout:", 802 le32_to_cpu(ofdm->sfd_timeout), 803 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 804 max_ofdm->sfd_timeout); 805 pos += scnprintf(buf + pos, bufsz - pos, 806 fmt_table, "fina_timeout:", 807 le32_to_cpu(ofdm->fina_timeout), 808 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 809 max_ofdm->fina_timeout); 810 pos += scnprintf(buf + pos, bufsz - pos, 811 fmt_table, "unresponded_rts:", 812 le32_to_cpu(ofdm->unresponded_rts), 813 accum_ofdm->unresponded_rts, 814 delta_ofdm->unresponded_rts, 815 max_ofdm->unresponded_rts); 816 pos += scnprintf(buf + pos, bufsz - pos, 817 fmt_table, "rxe_frame_lmt_ovrun:", 818 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 819 accum_ofdm->rxe_frame_limit_overrun, 820 delta_ofdm->rxe_frame_limit_overrun, 821 max_ofdm->rxe_frame_limit_overrun); 822 pos += scnprintf(buf + pos, bufsz - pos, 823 fmt_table, "sent_ack_cnt:", 824 le32_to_cpu(ofdm->sent_ack_cnt), 825 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 826 max_ofdm->sent_ack_cnt); 827 pos += scnprintf(buf + pos, bufsz - pos, 828 fmt_table, "sent_cts_cnt:", 829 le32_to_cpu(ofdm->sent_cts_cnt), 830 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 831 max_ofdm->sent_cts_cnt); 832 pos += scnprintf(buf + pos, bufsz - pos, 833 fmt_table, "sent_ba_rsp_cnt:", 834 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 835 accum_ofdm->sent_ba_rsp_cnt, 836 delta_ofdm->sent_ba_rsp_cnt, 837 max_ofdm->sent_ba_rsp_cnt); 838 pos += scnprintf(buf + pos, bufsz - pos, 839 fmt_table, "dsp_self_kill:", 840 le32_to_cpu(ofdm->dsp_self_kill), 841 accum_ofdm->dsp_self_kill, 842 delta_ofdm->dsp_self_kill, 843 max_ofdm->dsp_self_kill); 844 pos += scnprintf(buf + pos, bufsz - pos, 845 fmt_table, "mh_format_err:", 846 le32_to_cpu(ofdm->mh_format_err), 847 accum_ofdm->mh_format_err, 848 delta_ofdm->mh_format_err, 849 max_ofdm->mh_format_err); 850 pos += scnprintf(buf + pos, bufsz - pos, 851 fmt_table, "re_acq_main_rssi_sum:", 852 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 853 accum_ofdm->re_acq_main_rssi_sum, 854 delta_ofdm->re_acq_main_rssi_sum, 855 max_ofdm->re_acq_main_rssi_sum); 856 857 pos += scnprintf(buf + pos, bufsz - pos, 858 fmt_header, "Statistics_Rx - CCK:"); 859 pos += scnprintf(buf + pos, bufsz - pos, 860 fmt_table, "ina_cnt:", 861 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 862 delta_cck->ina_cnt, max_cck->ina_cnt); 863 pos += scnprintf(buf + pos, bufsz - pos, 864 fmt_table, "fina_cnt:", 865 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 866 delta_cck->fina_cnt, max_cck->fina_cnt); 867 pos += scnprintf(buf + pos, bufsz - pos, 868 fmt_table, "plcp_err:", 869 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 870 delta_cck->plcp_err, max_cck->plcp_err); 871 pos += scnprintf(buf + pos, bufsz - pos, 872 fmt_table, "crc32_err:", 873 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 874 delta_cck->crc32_err, max_cck->crc32_err); 875 pos += scnprintf(buf + pos, bufsz - pos, 876 fmt_table, "overrun_err:", 877 le32_to_cpu(cck->overrun_err), 878 accum_cck->overrun_err, delta_cck->overrun_err, 879 max_cck->overrun_err); 880 pos += scnprintf(buf + pos, bufsz - pos, 881 fmt_table, "early_overrun_err:", 882 le32_to_cpu(cck->early_overrun_err), 883 accum_cck->early_overrun_err, 884 delta_cck->early_overrun_err, 885 max_cck->early_overrun_err); 886 pos += scnprintf(buf + pos, bufsz - pos, 887 fmt_table, "crc32_good:", 888 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 889 delta_cck->crc32_good, max_cck->crc32_good); 890 pos += scnprintf(buf + pos, bufsz - pos, 891 fmt_table, "false_alarm_cnt:", 892 le32_to_cpu(cck->false_alarm_cnt), 893 accum_cck->false_alarm_cnt, 894 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 895 pos += scnprintf(buf + pos, bufsz - pos, 896 fmt_table, "fina_sync_err_cnt:", 897 le32_to_cpu(cck->fina_sync_err_cnt), 898 accum_cck->fina_sync_err_cnt, 899 delta_cck->fina_sync_err_cnt, 900 max_cck->fina_sync_err_cnt); 901 pos += scnprintf(buf + pos, bufsz - pos, 902 fmt_table, "sfd_timeout:", 903 le32_to_cpu(cck->sfd_timeout), 904 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 905 max_cck->sfd_timeout); 906 pos += scnprintf(buf + pos, bufsz - pos, 907 fmt_table, "fina_timeout:", 908 le32_to_cpu(cck->fina_timeout), 909 accum_cck->fina_timeout, delta_cck->fina_timeout, 910 max_cck->fina_timeout); 911 pos += scnprintf(buf + pos, bufsz - pos, 912 fmt_table, "unresponded_rts:", 913 le32_to_cpu(cck->unresponded_rts), 914 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 915 max_cck->unresponded_rts); 916 pos += scnprintf(buf + pos, bufsz - pos, 917 fmt_table, "rxe_frame_lmt_ovrun:", 918 le32_to_cpu(cck->rxe_frame_limit_overrun), 919 accum_cck->rxe_frame_limit_overrun, 920 delta_cck->rxe_frame_limit_overrun, 921 max_cck->rxe_frame_limit_overrun); 922 pos += scnprintf(buf + pos, bufsz - pos, 923 fmt_table, "sent_ack_cnt:", 924 le32_to_cpu(cck->sent_ack_cnt), 925 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 926 max_cck->sent_ack_cnt); 927 pos += scnprintf(buf + pos, bufsz - pos, 928 fmt_table, "sent_cts_cnt:", 929 le32_to_cpu(cck->sent_cts_cnt), 930 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 931 max_cck->sent_cts_cnt); 932 pos += scnprintf(buf + pos, bufsz - pos, 933 fmt_table, "sent_ba_rsp_cnt:", 934 le32_to_cpu(cck->sent_ba_rsp_cnt), 935 accum_cck->sent_ba_rsp_cnt, 936 delta_cck->sent_ba_rsp_cnt, 937 max_cck->sent_ba_rsp_cnt); 938 pos += scnprintf(buf + pos, bufsz - pos, 939 fmt_table, "dsp_self_kill:", 940 le32_to_cpu(cck->dsp_self_kill), 941 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 942 max_cck->dsp_self_kill); 943 pos += scnprintf(buf + pos, bufsz - pos, 944 fmt_table, "mh_format_err:", 945 le32_to_cpu(cck->mh_format_err), 946 accum_cck->mh_format_err, delta_cck->mh_format_err, 947 max_cck->mh_format_err); 948 pos += scnprintf(buf + pos, bufsz - pos, 949 fmt_table, "re_acq_main_rssi_sum:", 950 le32_to_cpu(cck->re_acq_main_rssi_sum), 951 accum_cck->re_acq_main_rssi_sum, 952 delta_cck->re_acq_main_rssi_sum, 953 max_cck->re_acq_main_rssi_sum); 954 955 pos += scnprintf(buf + pos, bufsz - pos, 956 fmt_header, "Statistics_Rx - GENERAL:"); 957 pos += scnprintf(buf + pos, bufsz - pos, 958 fmt_table, "bogus_cts:", 959 le32_to_cpu(general->bogus_cts), 960 accum_general->bogus_cts, delta_general->bogus_cts, 961 max_general->bogus_cts); 962 pos += scnprintf(buf + pos, bufsz - pos, 963 fmt_table, "bogus_ack:", 964 le32_to_cpu(general->bogus_ack), 965 accum_general->bogus_ack, delta_general->bogus_ack, 966 max_general->bogus_ack); 967 pos += scnprintf(buf + pos, bufsz - pos, 968 fmt_table, "non_bssid_frames:", 969 le32_to_cpu(general->non_bssid_frames), 970 accum_general->non_bssid_frames, 971 delta_general->non_bssid_frames, 972 max_general->non_bssid_frames); 973 pos += scnprintf(buf + pos, bufsz - pos, 974 fmt_table, "filtered_frames:", 975 le32_to_cpu(general->filtered_frames), 976 accum_general->filtered_frames, 977 delta_general->filtered_frames, 978 max_general->filtered_frames); 979 pos += scnprintf(buf + pos, bufsz - pos, 980 fmt_table, "non_channel_beacons:", 981 le32_to_cpu(general->non_channel_beacons), 982 accum_general->non_channel_beacons, 983 delta_general->non_channel_beacons, 984 max_general->non_channel_beacons); 985 pos += scnprintf(buf + pos, bufsz - pos, 986 fmt_table, "channel_beacons:", 987 le32_to_cpu(general->channel_beacons), 988 accum_general->channel_beacons, 989 delta_general->channel_beacons, 990 max_general->channel_beacons); 991 pos += scnprintf(buf + pos, bufsz - pos, 992 fmt_table, "num_missed_bcon:", 993 le32_to_cpu(general->num_missed_bcon), 994 accum_general->num_missed_bcon, 995 delta_general->num_missed_bcon, 996 max_general->num_missed_bcon); 997 pos += scnprintf(buf + pos, bufsz - pos, 998 fmt_table, "adc_rx_saturation_time:", 999 le32_to_cpu(general->adc_rx_saturation_time), 1000 accum_general->adc_rx_saturation_time, 1001 delta_general->adc_rx_saturation_time, 1002 max_general->adc_rx_saturation_time); 1003 pos += scnprintf(buf + pos, bufsz - pos, 1004 fmt_table, "ina_detect_search_tm:", 1005 le32_to_cpu(general->ina_detection_search_time), 1006 accum_general->ina_detection_search_time, 1007 delta_general->ina_detection_search_time, 1008 max_general->ina_detection_search_time); 1009 pos += scnprintf(buf + pos, bufsz - pos, 1010 fmt_table, "beacon_silence_rssi_a:", 1011 le32_to_cpu(general->beacon_silence_rssi_a), 1012 accum_general->beacon_silence_rssi_a, 1013 delta_general->beacon_silence_rssi_a, 1014 max_general->beacon_silence_rssi_a); 1015 pos += scnprintf(buf + pos, bufsz - pos, 1016 fmt_table, "beacon_silence_rssi_b:", 1017 le32_to_cpu(general->beacon_silence_rssi_b), 1018 accum_general->beacon_silence_rssi_b, 1019 delta_general->beacon_silence_rssi_b, 1020 max_general->beacon_silence_rssi_b); 1021 pos += scnprintf(buf + pos, bufsz - pos, 1022 fmt_table, "beacon_silence_rssi_c:", 1023 le32_to_cpu(general->beacon_silence_rssi_c), 1024 accum_general->beacon_silence_rssi_c, 1025 delta_general->beacon_silence_rssi_c, 1026 max_general->beacon_silence_rssi_c); 1027 pos += scnprintf(buf + pos, bufsz - pos, 1028 fmt_table, "interference_data_flag:", 1029 le32_to_cpu(general->interference_data_flag), 1030 accum_general->interference_data_flag, 1031 delta_general->interference_data_flag, 1032 max_general->interference_data_flag); 1033 pos += scnprintf(buf + pos, bufsz - pos, 1034 fmt_table, "channel_load:", 1035 le32_to_cpu(general->channel_load), 1036 accum_general->channel_load, 1037 delta_general->channel_load, 1038 max_general->channel_load); 1039 pos += scnprintf(buf + pos, bufsz - pos, 1040 fmt_table, "dsp_false_alarms:", 1041 le32_to_cpu(general->dsp_false_alarms), 1042 accum_general->dsp_false_alarms, 1043 delta_general->dsp_false_alarms, 1044 max_general->dsp_false_alarms); 1045 pos += scnprintf(buf + pos, bufsz - pos, 1046 fmt_table, "beacon_rssi_a:", 1047 le32_to_cpu(general->beacon_rssi_a), 1048 accum_general->beacon_rssi_a, 1049 delta_general->beacon_rssi_a, 1050 max_general->beacon_rssi_a); 1051 pos += scnprintf(buf + pos, bufsz - pos, 1052 fmt_table, "beacon_rssi_b:", 1053 le32_to_cpu(general->beacon_rssi_b), 1054 accum_general->beacon_rssi_b, 1055 delta_general->beacon_rssi_b, 1056 max_general->beacon_rssi_b); 1057 pos += scnprintf(buf + pos, bufsz - pos, 1058 fmt_table, "beacon_rssi_c:", 1059 le32_to_cpu(general->beacon_rssi_c), 1060 accum_general->beacon_rssi_c, 1061 delta_general->beacon_rssi_c, 1062 max_general->beacon_rssi_c); 1063 pos += scnprintf(buf + pos, bufsz - pos, 1064 fmt_table, "beacon_energy_a:", 1065 le32_to_cpu(general->beacon_energy_a), 1066 accum_general->beacon_energy_a, 1067 delta_general->beacon_energy_a, 1068 max_general->beacon_energy_a); 1069 pos += scnprintf(buf + pos, bufsz - pos, 1070 fmt_table, "beacon_energy_b:", 1071 le32_to_cpu(general->beacon_energy_b), 1072 accum_general->beacon_energy_b, 1073 delta_general->beacon_energy_b, 1074 max_general->beacon_energy_b); 1075 pos += scnprintf(buf + pos, bufsz - pos, 1076 fmt_table, "beacon_energy_c:", 1077 le32_to_cpu(general->beacon_energy_c), 1078 accum_general->beacon_energy_c, 1079 delta_general->beacon_energy_c, 1080 max_general->beacon_energy_c); 1081 1082 pos += scnprintf(buf + pos, bufsz - pos, 1083 fmt_header, "Statistics_Rx - OFDM_HT:"); 1084 pos += scnprintf(buf + pos, bufsz - pos, 1085 fmt_table, "plcp_err:", 1086 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1087 delta_ht->plcp_err, max_ht->plcp_err); 1088 pos += scnprintf(buf + pos, bufsz - pos, 1089 fmt_table, "overrun_err:", 1090 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1091 delta_ht->overrun_err, max_ht->overrun_err); 1092 pos += scnprintf(buf + pos, bufsz - pos, 1093 fmt_table, "early_overrun_err:", 1094 le32_to_cpu(ht->early_overrun_err), 1095 accum_ht->early_overrun_err, 1096 delta_ht->early_overrun_err, 1097 max_ht->early_overrun_err); 1098 pos += scnprintf(buf + pos, bufsz - pos, 1099 fmt_table, "crc32_good:", 1100 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1101 delta_ht->crc32_good, max_ht->crc32_good); 1102 pos += scnprintf(buf + pos, bufsz - pos, 1103 fmt_table, "crc32_err:", 1104 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1105 delta_ht->crc32_err, max_ht->crc32_err); 1106 pos += scnprintf(buf + pos, bufsz - pos, 1107 fmt_table, "mh_format_err:", 1108 le32_to_cpu(ht->mh_format_err), 1109 accum_ht->mh_format_err, 1110 delta_ht->mh_format_err, max_ht->mh_format_err); 1111 pos += scnprintf(buf + pos, bufsz - pos, 1112 fmt_table, "agg_crc32_good:", 1113 le32_to_cpu(ht->agg_crc32_good), 1114 accum_ht->agg_crc32_good, 1115 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1116 pos += scnprintf(buf + pos, bufsz - pos, 1117 fmt_table, "agg_mpdu_cnt:", 1118 le32_to_cpu(ht->agg_mpdu_cnt), 1119 accum_ht->agg_mpdu_cnt, 1120 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1121 pos += scnprintf(buf + pos, bufsz - pos, 1122 fmt_table, "agg_cnt:", 1123 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1124 delta_ht->agg_cnt, max_ht->agg_cnt); 1125 pos += scnprintf(buf + pos, bufsz - pos, 1126 fmt_table, "unsupport_mcs:", 1127 le32_to_cpu(ht->unsupport_mcs), 1128 accum_ht->unsupport_mcs, 1129 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1130 1131 spin_unlock_bh(&priv->statistics.lock); 1132 1133 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1134 kfree(buf); 1135 return ret; 1136 } 1137 1138 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1139 char __user *user_buf, 1140 size_t count, loff_t *ppos) 1141 { 1142 struct iwl_priv *priv = file->private_data; 1143 int pos = 0; 1144 char *buf; 1145 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1146 ssize_t ret; 1147 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1148 1149 if (!iwl_is_alive(priv)) 1150 return -EAGAIN; 1151 1152 buf = kzalloc(bufsz, GFP_KERNEL); 1153 if (!buf) 1154 return -ENOMEM; 1155 1156 /* the statistic information display here is based on 1157 * the last statistics notification from uCode 1158 * might not reflect the current uCode activity 1159 */ 1160 spin_lock_bh(&priv->statistics.lock); 1161 1162 tx = &priv->statistics.tx; 1163 accum_tx = &priv->accum_stats.tx; 1164 delta_tx = &priv->delta_stats.tx; 1165 max_tx = &priv->max_delta_stats.tx; 1166 1167 pos += iwl_statistics_flag(priv, buf, bufsz); 1168 pos += scnprintf(buf + pos, bufsz - pos, 1169 fmt_header, "Statistics_Tx:"); 1170 pos += scnprintf(buf + pos, bufsz - pos, 1171 fmt_table, "preamble:", 1172 le32_to_cpu(tx->preamble_cnt), 1173 accum_tx->preamble_cnt, 1174 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1175 pos += scnprintf(buf + pos, bufsz - pos, 1176 fmt_table, "rx_detected_cnt:", 1177 le32_to_cpu(tx->rx_detected_cnt), 1178 accum_tx->rx_detected_cnt, 1179 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1180 pos += scnprintf(buf + pos, bufsz - pos, 1181 fmt_table, "bt_prio_defer_cnt:", 1182 le32_to_cpu(tx->bt_prio_defer_cnt), 1183 accum_tx->bt_prio_defer_cnt, 1184 delta_tx->bt_prio_defer_cnt, 1185 max_tx->bt_prio_defer_cnt); 1186 pos += scnprintf(buf + pos, bufsz - pos, 1187 fmt_table, "bt_prio_kill_cnt:", 1188 le32_to_cpu(tx->bt_prio_kill_cnt), 1189 accum_tx->bt_prio_kill_cnt, 1190 delta_tx->bt_prio_kill_cnt, 1191 max_tx->bt_prio_kill_cnt); 1192 pos += scnprintf(buf + pos, bufsz - pos, 1193 fmt_table, "few_bytes_cnt:", 1194 le32_to_cpu(tx->few_bytes_cnt), 1195 accum_tx->few_bytes_cnt, 1196 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1197 pos += scnprintf(buf + pos, bufsz - pos, 1198 fmt_table, "cts_timeout:", 1199 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1200 delta_tx->cts_timeout, max_tx->cts_timeout); 1201 pos += scnprintf(buf + pos, bufsz - pos, 1202 fmt_table, "ack_timeout:", 1203 le32_to_cpu(tx->ack_timeout), 1204 accum_tx->ack_timeout, 1205 delta_tx->ack_timeout, max_tx->ack_timeout); 1206 pos += scnprintf(buf + pos, bufsz - pos, 1207 fmt_table, "expected_ack_cnt:", 1208 le32_to_cpu(tx->expected_ack_cnt), 1209 accum_tx->expected_ack_cnt, 1210 delta_tx->expected_ack_cnt, 1211 max_tx->expected_ack_cnt); 1212 pos += scnprintf(buf + pos, bufsz - pos, 1213 fmt_table, "actual_ack_cnt:", 1214 le32_to_cpu(tx->actual_ack_cnt), 1215 accum_tx->actual_ack_cnt, 1216 delta_tx->actual_ack_cnt, 1217 max_tx->actual_ack_cnt); 1218 pos += scnprintf(buf + pos, bufsz - pos, 1219 fmt_table, "dump_msdu_cnt:", 1220 le32_to_cpu(tx->dump_msdu_cnt), 1221 accum_tx->dump_msdu_cnt, 1222 delta_tx->dump_msdu_cnt, 1223 max_tx->dump_msdu_cnt); 1224 pos += scnprintf(buf + pos, bufsz - pos, 1225 fmt_table, "abort_nxt_frame_mismatch:", 1226 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1227 accum_tx->burst_abort_next_frame_mismatch_cnt, 1228 delta_tx->burst_abort_next_frame_mismatch_cnt, 1229 max_tx->burst_abort_next_frame_mismatch_cnt); 1230 pos += scnprintf(buf + pos, bufsz - pos, 1231 fmt_table, "abort_missing_nxt_frame:", 1232 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1233 accum_tx->burst_abort_missing_next_frame_cnt, 1234 delta_tx->burst_abort_missing_next_frame_cnt, 1235 max_tx->burst_abort_missing_next_frame_cnt); 1236 pos += scnprintf(buf + pos, bufsz - pos, 1237 fmt_table, "cts_timeout_collision:", 1238 le32_to_cpu(tx->cts_timeout_collision), 1239 accum_tx->cts_timeout_collision, 1240 delta_tx->cts_timeout_collision, 1241 max_tx->cts_timeout_collision); 1242 pos += scnprintf(buf + pos, bufsz - pos, 1243 fmt_table, "ack_ba_timeout_collision:", 1244 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1245 accum_tx->ack_or_ba_timeout_collision, 1246 delta_tx->ack_or_ba_timeout_collision, 1247 max_tx->ack_or_ba_timeout_collision); 1248 pos += scnprintf(buf + pos, bufsz - pos, 1249 fmt_table, "agg ba_timeout:", 1250 le32_to_cpu(tx->agg.ba_timeout), 1251 accum_tx->agg.ba_timeout, 1252 delta_tx->agg.ba_timeout, 1253 max_tx->agg.ba_timeout); 1254 pos += scnprintf(buf + pos, bufsz - pos, 1255 fmt_table, "agg ba_resched_frames:", 1256 le32_to_cpu(tx->agg.ba_reschedule_frames), 1257 accum_tx->agg.ba_reschedule_frames, 1258 delta_tx->agg.ba_reschedule_frames, 1259 max_tx->agg.ba_reschedule_frames); 1260 pos += scnprintf(buf + pos, bufsz - pos, 1261 fmt_table, "agg scd_query_agg_frame:", 1262 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1263 accum_tx->agg.scd_query_agg_frame_cnt, 1264 delta_tx->agg.scd_query_agg_frame_cnt, 1265 max_tx->agg.scd_query_agg_frame_cnt); 1266 pos += scnprintf(buf + pos, bufsz - pos, 1267 fmt_table, "agg scd_query_no_agg:", 1268 le32_to_cpu(tx->agg.scd_query_no_agg), 1269 accum_tx->agg.scd_query_no_agg, 1270 delta_tx->agg.scd_query_no_agg, 1271 max_tx->agg.scd_query_no_agg); 1272 pos += scnprintf(buf + pos, bufsz - pos, 1273 fmt_table, "agg scd_query_agg:", 1274 le32_to_cpu(tx->agg.scd_query_agg), 1275 accum_tx->agg.scd_query_agg, 1276 delta_tx->agg.scd_query_agg, 1277 max_tx->agg.scd_query_agg); 1278 pos += scnprintf(buf + pos, bufsz - pos, 1279 fmt_table, "agg scd_query_mismatch:", 1280 le32_to_cpu(tx->agg.scd_query_mismatch), 1281 accum_tx->agg.scd_query_mismatch, 1282 delta_tx->agg.scd_query_mismatch, 1283 max_tx->agg.scd_query_mismatch); 1284 pos += scnprintf(buf + pos, bufsz - pos, 1285 fmt_table, "agg frame_not_ready:", 1286 le32_to_cpu(tx->agg.frame_not_ready), 1287 accum_tx->agg.frame_not_ready, 1288 delta_tx->agg.frame_not_ready, 1289 max_tx->agg.frame_not_ready); 1290 pos += scnprintf(buf + pos, bufsz - pos, 1291 fmt_table, "agg underrun:", 1292 le32_to_cpu(tx->agg.underrun), 1293 accum_tx->agg.underrun, 1294 delta_tx->agg.underrun, max_tx->agg.underrun); 1295 pos += scnprintf(buf + pos, bufsz - pos, 1296 fmt_table, "agg bt_prio_kill:", 1297 le32_to_cpu(tx->agg.bt_prio_kill), 1298 accum_tx->agg.bt_prio_kill, 1299 delta_tx->agg.bt_prio_kill, 1300 max_tx->agg.bt_prio_kill); 1301 pos += scnprintf(buf + pos, bufsz - pos, 1302 fmt_table, "agg rx_ba_rsp_cnt:", 1303 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1304 accum_tx->agg.rx_ba_rsp_cnt, 1305 delta_tx->agg.rx_ba_rsp_cnt, 1306 max_tx->agg.rx_ba_rsp_cnt); 1307 1308 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1309 pos += scnprintf(buf + pos, bufsz - pos, 1310 "tx power: (1/2 dB step)\n"); 1311 if ((priv->nvm_data->valid_tx_ant & ANT_A) && 1312 tx->tx_power.ant_a) 1313 pos += scnprintf(buf + pos, bufsz - pos, 1314 fmt_hex, "antenna A:", 1315 tx->tx_power.ant_a); 1316 if ((priv->nvm_data->valid_tx_ant & ANT_B) && 1317 tx->tx_power.ant_b) 1318 pos += scnprintf(buf + pos, bufsz - pos, 1319 fmt_hex, "antenna B:", 1320 tx->tx_power.ant_b); 1321 if ((priv->nvm_data->valid_tx_ant & ANT_C) && 1322 tx->tx_power.ant_c) 1323 pos += scnprintf(buf + pos, bufsz - pos, 1324 fmt_hex, "antenna C:", 1325 tx->tx_power.ant_c); 1326 } 1327 1328 spin_unlock_bh(&priv->statistics.lock); 1329 1330 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1331 kfree(buf); 1332 return ret; 1333 } 1334 1335 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1336 char __user *user_buf, 1337 size_t count, loff_t *ppos) 1338 { 1339 struct iwl_priv *priv = file->private_data; 1340 int pos = 0; 1341 char *buf; 1342 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1343 ssize_t ret; 1344 struct statistics_general_common *general, *accum_general; 1345 struct statistics_general_common *delta_general, *max_general; 1346 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1347 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1348 1349 if (!iwl_is_alive(priv)) 1350 return -EAGAIN; 1351 1352 buf = kzalloc(bufsz, GFP_KERNEL); 1353 if (!buf) 1354 return -ENOMEM; 1355 1356 /* the statistic information display here is based on 1357 * the last statistics notification from uCode 1358 * might not reflect the current uCode activity 1359 */ 1360 1361 spin_lock_bh(&priv->statistics.lock); 1362 1363 general = &priv->statistics.common; 1364 dbg = &priv->statistics.common.dbg; 1365 div = &priv->statistics.common.div; 1366 accum_general = &priv->accum_stats.common; 1367 accum_dbg = &priv->accum_stats.common.dbg; 1368 accum_div = &priv->accum_stats.common.div; 1369 delta_general = &priv->delta_stats.common; 1370 max_general = &priv->max_delta_stats.common; 1371 delta_dbg = &priv->delta_stats.common.dbg; 1372 max_dbg = &priv->max_delta_stats.common.dbg; 1373 delta_div = &priv->delta_stats.common.div; 1374 max_div = &priv->max_delta_stats.common.div; 1375 1376 pos += iwl_statistics_flag(priv, buf, bufsz); 1377 pos += scnprintf(buf + pos, bufsz - pos, 1378 fmt_header, "Statistics_General:"); 1379 pos += scnprintf(buf + pos, bufsz - pos, 1380 fmt_value, "temperature:", 1381 le32_to_cpu(general->temperature)); 1382 pos += scnprintf(buf + pos, bufsz - pos, 1383 fmt_value, "temperature_m:", 1384 le32_to_cpu(general->temperature_m)); 1385 pos += scnprintf(buf + pos, bufsz - pos, 1386 fmt_value, "ttl_timestamp:", 1387 le32_to_cpu(general->ttl_timestamp)); 1388 pos += scnprintf(buf + pos, bufsz - pos, 1389 fmt_table, "burst_check:", 1390 le32_to_cpu(dbg->burst_check), 1391 accum_dbg->burst_check, 1392 delta_dbg->burst_check, max_dbg->burst_check); 1393 pos += scnprintf(buf + pos, bufsz - pos, 1394 fmt_table, "burst_count:", 1395 le32_to_cpu(dbg->burst_count), 1396 accum_dbg->burst_count, 1397 delta_dbg->burst_count, max_dbg->burst_count); 1398 pos += scnprintf(buf + pos, bufsz - pos, 1399 fmt_table, "wait_for_silence_timeout_count:", 1400 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1401 accum_dbg->wait_for_silence_timeout_cnt, 1402 delta_dbg->wait_for_silence_timeout_cnt, 1403 max_dbg->wait_for_silence_timeout_cnt); 1404 pos += scnprintf(buf + pos, bufsz - pos, 1405 fmt_table, "sleep_time:", 1406 le32_to_cpu(general->sleep_time), 1407 accum_general->sleep_time, 1408 delta_general->sleep_time, max_general->sleep_time); 1409 pos += scnprintf(buf + pos, bufsz - pos, 1410 fmt_table, "slots_out:", 1411 le32_to_cpu(general->slots_out), 1412 accum_general->slots_out, 1413 delta_general->slots_out, max_general->slots_out); 1414 pos += scnprintf(buf + pos, bufsz - pos, 1415 fmt_table, "slots_idle:", 1416 le32_to_cpu(general->slots_idle), 1417 accum_general->slots_idle, 1418 delta_general->slots_idle, max_general->slots_idle); 1419 pos += scnprintf(buf + pos, bufsz - pos, 1420 fmt_table, "tx_on_a:", 1421 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1422 delta_div->tx_on_a, max_div->tx_on_a); 1423 pos += scnprintf(buf + pos, bufsz - pos, 1424 fmt_table, "tx_on_b:", 1425 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1426 delta_div->tx_on_b, max_div->tx_on_b); 1427 pos += scnprintf(buf + pos, bufsz - pos, 1428 fmt_table, "exec_time:", 1429 le32_to_cpu(div->exec_time), accum_div->exec_time, 1430 delta_div->exec_time, max_div->exec_time); 1431 pos += scnprintf(buf + pos, bufsz - pos, 1432 fmt_table, "probe_time:", 1433 le32_to_cpu(div->probe_time), accum_div->probe_time, 1434 delta_div->probe_time, max_div->probe_time); 1435 pos += scnprintf(buf + pos, bufsz - pos, 1436 fmt_table, "rx_enable_counter:", 1437 le32_to_cpu(general->rx_enable_counter), 1438 accum_general->rx_enable_counter, 1439 delta_general->rx_enable_counter, 1440 max_general->rx_enable_counter); 1441 pos += scnprintf(buf + pos, bufsz - pos, 1442 fmt_table, "num_of_sos_states:", 1443 le32_to_cpu(general->num_of_sos_states), 1444 accum_general->num_of_sos_states, 1445 delta_general->num_of_sos_states, 1446 max_general->num_of_sos_states); 1447 1448 spin_unlock_bh(&priv->statistics.lock); 1449 1450 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1451 kfree(buf); 1452 return ret; 1453 } 1454 1455 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1456 char __user *user_buf, 1457 size_t count, loff_t *ppos) 1458 { 1459 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1460 int pos = 0; 1461 char *buf; 1462 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1463 ssize_t ret; 1464 struct statistics_bt_activity *bt, *accum_bt; 1465 1466 if (!iwl_is_alive(priv)) 1467 return -EAGAIN; 1468 1469 if (!priv->bt_enable_flag) 1470 return -EINVAL; 1471 1472 /* make request to uCode to retrieve statistics information */ 1473 mutex_lock(&priv->mutex); 1474 ret = iwl_send_statistics_request(priv, 0, false); 1475 mutex_unlock(&priv->mutex); 1476 1477 if (ret) 1478 return -EAGAIN; 1479 buf = kzalloc(bufsz, GFP_KERNEL); 1480 if (!buf) 1481 return -ENOMEM; 1482 1483 /* 1484 * the statistic information display here is based on 1485 * the last statistics notification from uCode 1486 * might not reflect the current uCode activity 1487 */ 1488 1489 spin_lock_bh(&priv->statistics.lock); 1490 1491 bt = &priv->statistics.bt_activity; 1492 accum_bt = &priv->accum_stats.bt_activity; 1493 1494 pos += iwl_statistics_flag(priv, buf, bufsz); 1495 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1496 pos += scnprintf(buf + pos, bufsz - pos, 1497 "\t\t\tcurrent\t\t\taccumulative\n"); 1498 pos += scnprintf(buf + pos, bufsz - pos, 1499 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1500 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1501 accum_bt->hi_priority_tx_req_cnt); 1502 pos += scnprintf(buf + pos, bufsz - pos, 1503 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1504 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1505 accum_bt->hi_priority_tx_denied_cnt); 1506 pos += scnprintf(buf + pos, bufsz - pos, 1507 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1508 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1509 accum_bt->lo_priority_tx_req_cnt); 1510 pos += scnprintf(buf + pos, bufsz - pos, 1511 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1512 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1513 accum_bt->lo_priority_tx_denied_cnt); 1514 pos += scnprintf(buf + pos, bufsz - pos, 1515 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1516 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1517 accum_bt->hi_priority_rx_req_cnt); 1518 pos += scnprintf(buf + pos, bufsz - pos, 1519 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1520 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1521 accum_bt->hi_priority_rx_denied_cnt); 1522 pos += scnprintf(buf + pos, bufsz - pos, 1523 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1524 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1525 accum_bt->lo_priority_rx_req_cnt); 1526 pos += scnprintf(buf + pos, bufsz - pos, 1527 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1528 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1529 accum_bt->lo_priority_rx_denied_cnt); 1530 1531 pos += scnprintf(buf + pos, bufsz - pos, 1532 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1533 le32_to_cpu(priv->statistics.num_bt_kills), 1534 priv->statistics.accum_num_bt_kills); 1535 1536 spin_unlock_bh(&priv->statistics.lock); 1537 1538 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1539 kfree(buf); 1540 return ret; 1541 } 1542 1543 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1544 char __user *user_buf, 1545 size_t count, loff_t *ppos) 1546 { 1547 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1548 int pos = 0; 1549 char *buf; 1550 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1551 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1552 ssize_t ret; 1553 1554 if (!iwl_is_alive(priv)) 1555 return -EAGAIN; 1556 1557 buf = kzalloc(bufsz, GFP_KERNEL); 1558 if (!buf) 1559 return -ENOMEM; 1560 1561 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1562 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1563 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1564 priv->reply_tx_stats.pp_delay); 1565 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1566 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1567 priv->reply_tx_stats.pp_few_bytes); 1568 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1569 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1570 priv->reply_tx_stats.pp_bt_prio); 1571 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1572 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1573 priv->reply_tx_stats.pp_quiet_period); 1574 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1575 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1576 priv->reply_tx_stats.pp_calc_ttak); 1577 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1578 iwl_get_tx_fail_reason( 1579 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1580 priv->reply_tx_stats.int_crossed_retry); 1581 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1582 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1583 priv->reply_tx_stats.short_limit); 1584 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1585 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1586 priv->reply_tx_stats.long_limit); 1587 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1588 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1589 priv->reply_tx_stats.fifo_underrun); 1590 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1591 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1592 priv->reply_tx_stats.drain_flow); 1593 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1594 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1595 priv->reply_tx_stats.rfkill_flush); 1596 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1597 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1598 priv->reply_tx_stats.life_expire); 1599 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1600 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1601 priv->reply_tx_stats.dest_ps); 1602 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1603 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1604 priv->reply_tx_stats.host_abort); 1605 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1606 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1607 priv->reply_tx_stats.pp_delay); 1608 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1609 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1610 priv->reply_tx_stats.sta_invalid); 1611 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1612 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1613 priv->reply_tx_stats.frag_drop); 1614 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1615 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1616 priv->reply_tx_stats.tid_disable); 1617 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1618 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1619 priv->reply_tx_stats.fifo_flush); 1620 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1621 iwl_get_tx_fail_reason( 1622 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1623 priv->reply_tx_stats.insuff_cf_poll); 1624 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1625 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1626 priv->reply_tx_stats.fail_hw_drop); 1627 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1628 iwl_get_tx_fail_reason( 1629 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1630 priv->reply_tx_stats.sta_color_mismatch); 1631 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1632 priv->reply_tx_stats.unknown); 1633 1634 pos += scnprintf(buf + pos, bufsz - pos, 1635 "\nStatistics_Agg_TX_Error:\n"); 1636 1637 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1638 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1639 priv->reply_agg_tx_stats.underrun); 1640 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1641 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1642 priv->reply_agg_tx_stats.bt_prio); 1643 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1644 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1645 priv->reply_agg_tx_stats.few_bytes); 1646 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1647 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1648 priv->reply_agg_tx_stats.abort); 1649 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1650 iwl_get_agg_tx_fail_reason( 1651 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1652 priv->reply_agg_tx_stats.last_sent_ttl); 1653 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1654 iwl_get_agg_tx_fail_reason( 1655 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1656 priv->reply_agg_tx_stats.last_sent_try); 1657 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1658 iwl_get_agg_tx_fail_reason( 1659 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1660 priv->reply_agg_tx_stats.last_sent_bt_kill); 1661 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1662 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1663 priv->reply_agg_tx_stats.scd_query); 1664 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1665 iwl_get_agg_tx_fail_reason( 1666 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1667 priv->reply_agg_tx_stats.bad_crc32); 1668 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1669 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1670 priv->reply_agg_tx_stats.response); 1671 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1672 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1673 priv->reply_agg_tx_stats.dump_tx); 1674 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1675 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1676 priv->reply_agg_tx_stats.delay_tx); 1677 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1678 priv->reply_agg_tx_stats.unknown); 1679 1680 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1681 kfree(buf); 1682 return ret; 1683 } 1684 1685 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1686 char __user *user_buf, 1687 size_t count, loff_t *ppos) { 1688 1689 struct iwl_priv *priv = file->private_data; 1690 int pos = 0; 1691 int cnt = 0; 1692 char *buf; 1693 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1694 ssize_t ret; 1695 struct iwl_sensitivity_data *data; 1696 1697 data = &priv->sensitivity_data; 1698 buf = kzalloc(bufsz, GFP_KERNEL); 1699 if (!buf) 1700 return -ENOMEM; 1701 1702 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1703 data->auto_corr_ofdm); 1704 pos += scnprintf(buf + pos, bufsz - pos, 1705 "auto_corr_ofdm_mrc:\t\t %u\n", 1706 data->auto_corr_ofdm_mrc); 1707 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1708 data->auto_corr_ofdm_x1); 1709 pos += scnprintf(buf + pos, bufsz - pos, 1710 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1711 data->auto_corr_ofdm_mrc_x1); 1712 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1713 data->auto_corr_cck); 1714 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1715 data->auto_corr_cck_mrc); 1716 pos += scnprintf(buf + pos, bufsz - pos, 1717 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1718 data->last_bad_plcp_cnt_ofdm); 1719 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1720 data->last_fa_cnt_ofdm); 1721 pos += scnprintf(buf + pos, bufsz - pos, 1722 "last_bad_plcp_cnt_cck:\t\t %u\n", 1723 data->last_bad_plcp_cnt_cck); 1724 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1725 data->last_fa_cnt_cck); 1726 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1727 data->nrg_curr_state); 1728 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1729 data->nrg_prev_state); 1730 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1731 for (cnt = 0; cnt < 10; cnt++) { 1732 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1733 data->nrg_value[cnt]); 1734 } 1735 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1736 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1737 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1738 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1739 data->nrg_silence_rssi[cnt]); 1740 } 1741 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1742 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1743 data->nrg_silence_ref); 1744 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1745 data->nrg_energy_idx); 1746 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1747 data->nrg_silence_idx); 1748 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1749 data->nrg_th_cck); 1750 pos += scnprintf(buf + pos, bufsz - pos, 1751 "nrg_auto_corr_silence_diff:\t %u\n", 1752 data->nrg_auto_corr_silence_diff); 1753 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1754 data->num_in_cck_no_fa); 1755 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1756 data->nrg_th_ofdm); 1757 1758 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1759 kfree(buf); 1760 return ret; 1761 } 1762 1763 1764 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1765 char __user *user_buf, 1766 size_t count, loff_t *ppos) { 1767 1768 struct iwl_priv *priv = file->private_data; 1769 int pos = 0; 1770 int cnt = 0; 1771 char *buf; 1772 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1773 ssize_t ret; 1774 struct iwl_chain_noise_data *data; 1775 1776 data = &priv->chain_noise_data; 1777 buf = kzalloc(bufsz, GFP_KERNEL); 1778 if (!buf) 1779 return -ENOMEM; 1780 1781 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1782 data->active_chains); 1783 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1784 data->chain_noise_a); 1785 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1786 data->chain_noise_b); 1787 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1788 data->chain_noise_c); 1789 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1790 data->chain_signal_a); 1791 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1792 data->chain_signal_b); 1793 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1794 data->chain_signal_c); 1795 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1796 data->beacon_count); 1797 1798 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1799 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1800 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1801 data->disconn_array[cnt]); 1802 } 1803 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1804 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1805 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1806 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1807 data->delta_gain_code[cnt]); 1808 } 1809 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1810 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1811 data->radio_write); 1812 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1813 data->state); 1814 1815 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1816 kfree(buf); 1817 return ret; 1818 } 1819 1820 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1821 char __user *user_buf, 1822 size_t count, loff_t *ppos) 1823 { 1824 struct iwl_priv *priv = file->private_data; 1825 char buf[60]; 1826 int pos = 0; 1827 const size_t bufsz = sizeof(buf); 1828 u32 pwrsave_status; 1829 1830 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) & 1831 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1832 1833 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1834 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1835 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1836 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1837 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1838 "error"); 1839 1840 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1841 } 1842 1843 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1844 const char __user *user_buf, 1845 size_t count, loff_t *ppos) 1846 { 1847 struct iwl_priv *priv = file->private_data; 1848 char buf[8]; 1849 int buf_size; 1850 int clear; 1851 1852 memset(buf, 0, sizeof(buf)); 1853 buf_size = min(count, sizeof(buf) - 1); 1854 if (copy_from_user(buf, user_buf, buf_size)) 1855 return -EFAULT; 1856 if (sscanf(buf, "%d", &clear) != 1) 1857 return -EFAULT; 1858 1859 /* make request to uCode to retrieve statistics information */ 1860 mutex_lock(&priv->mutex); 1861 iwl_send_statistics_request(priv, 0, true); 1862 mutex_unlock(&priv->mutex); 1863 1864 return count; 1865 } 1866 1867 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 1868 char __user *user_buf, 1869 size_t count, loff_t *ppos) { 1870 1871 struct iwl_priv *priv = file->private_data; 1872 int pos = 0; 1873 char buf[128]; 1874 const size_t bufsz = sizeof(buf); 1875 1876 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 1877 priv->event_log.ucode_trace ? "On" : "Off"); 1878 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 1879 priv->event_log.non_wraps_count); 1880 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 1881 priv->event_log.wraps_once_count); 1882 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 1883 priv->event_log.wraps_more_count); 1884 1885 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1886 } 1887 1888 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 1889 const char __user *user_buf, 1890 size_t count, loff_t *ppos) 1891 { 1892 struct iwl_priv *priv = file->private_data; 1893 char buf[8]; 1894 int buf_size; 1895 int trace; 1896 1897 memset(buf, 0, sizeof(buf)); 1898 buf_size = min(count, sizeof(buf) - 1); 1899 if (copy_from_user(buf, user_buf, buf_size)) 1900 return -EFAULT; 1901 if (sscanf(buf, "%d", &trace) != 1) 1902 return -EFAULT; 1903 1904 if (trace) { 1905 priv->event_log.ucode_trace = true; 1906 if (iwl_is_alive(priv)) { 1907 /* start collecting data now */ 1908 mod_timer(&priv->ucode_trace, jiffies); 1909 } 1910 } else { 1911 priv->event_log.ucode_trace = false; 1912 del_timer_sync(&priv->ucode_trace); 1913 } 1914 1915 return count; 1916 } 1917 1918 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 1919 char __user *user_buf, 1920 size_t count, loff_t *ppos) { 1921 1922 struct iwl_priv *priv = file->private_data; 1923 int len = 0; 1924 char buf[20]; 1925 1926 len = sprintf(buf, "0x%04X\n", 1927 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 1928 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1929 } 1930 1931 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 1932 char __user *user_buf, 1933 size_t count, loff_t *ppos) { 1934 1935 struct iwl_priv *priv = file->private_data; 1936 int len = 0; 1937 char buf[20]; 1938 1939 len = sprintf(buf, "0x%04X\n", 1940 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 1941 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1942 } 1943 1944 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 1945 char __user *user_buf, 1946 size_t count, loff_t *ppos) { 1947 1948 struct iwl_priv *priv = file->private_data; 1949 int pos = 0; 1950 char buf[12]; 1951 const size_t bufsz = sizeof(buf); 1952 1953 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 1954 priv->missed_beacon_threshold); 1955 1956 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1957 } 1958 1959 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 1960 const char __user *user_buf, 1961 size_t count, loff_t *ppos) 1962 { 1963 struct iwl_priv *priv = file->private_data; 1964 char buf[8]; 1965 int buf_size; 1966 int missed; 1967 1968 memset(buf, 0, sizeof(buf)); 1969 buf_size = min(count, sizeof(buf) - 1); 1970 if (copy_from_user(buf, user_buf, buf_size)) 1971 return -EFAULT; 1972 if (sscanf(buf, "%d", &missed) != 1) 1973 return -EINVAL; 1974 1975 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 1976 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 1977 priv->missed_beacon_threshold = 1978 IWL_MISSED_BEACON_THRESHOLD_DEF; 1979 else 1980 priv->missed_beacon_threshold = missed; 1981 1982 return count; 1983 } 1984 1985 static ssize_t iwl_dbgfs_plcp_delta_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[12]; 1992 const size_t bufsz = sizeof(buf); 1993 1994 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 1995 priv->plcp_delta_threshold); 1996 1997 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1998 } 1999 2000 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2001 const char __user *user_buf, 2002 size_t count, loff_t *ppos) { 2003 2004 struct iwl_priv *priv = file->private_data; 2005 char buf[8]; 2006 int buf_size; 2007 int plcp; 2008 2009 memset(buf, 0, sizeof(buf)); 2010 buf_size = min(count, sizeof(buf) - 1); 2011 if (copy_from_user(buf, user_buf, buf_size)) 2012 return -EFAULT; 2013 if (sscanf(buf, "%d", &plcp) != 1) 2014 return -EINVAL; 2015 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2016 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2017 priv->plcp_delta_threshold = 2018 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 2019 else 2020 priv->plcp_delta_threshold = plcp; 2021 return count; 2022 } 2023 2024 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file, 2025 char __user *user_buf, 2026 size_t count, loff_t *ppos) 2027 { 2028 struct iwl_priv *priv = file->private_data; 2029 int pos = 0; 2030 char buf[300]; 2031 const size_t bufsz = sizeof(buf); 2032 struct iwl_rf_reset *rf_reset = &priv->rf_reset; 2033 2034 pos += scnprintf(buf + pos, bufsz - pos, 2035 "RF reset statistics\n"); 2036 pos += scnprintf(buf + pos, bufsz - pos, 2037 "\tnumber of reset request: %d\n", 2038 rf_reset->reset_request_count); 2039 pos += scnprintf(buf + pos, bufsz - pos, 2040 "\tnumber of reset request success: %d\n", 2041 rf_reset->reset_success_count); 2042 pos += scnprintf(buf + pos, bufsz - pos, 2043 "\tnumber of reset request reject: %d\n", 2044 rf_reset->reset_reject_count); 2045 2046 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2047 } 2048 2049 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file, 2050 const char __user *user_buf, 2051 size_t count, loff_t *ppos) { 2052 2053 struct iwl_priv *priv = file->private_data; 2054 int ret; 2055 2056 ret = iwl_force_rf_reset(priv, true); 2057 return ret ? ret : count; 2058 } 2059 2060 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2061 const char __user *user_buf, 2062 size_t count, loff_t *ppos) { 2063 2064 struct iwl_priv *priv = file->private_data; 2065 char buf[8]; 2066 int buf_size; 2067 int flush; 2068 2069 memset(buf, 0, sizeof(buf)); 2070 buf_size = min(count, sizeof(buf) - 1); 2071 if (copy_from_user(buf, user_buf, buf_size)) 2072 return -EFAULT; 2073 if (sscanf(buf, "%d", &flush) != 1) 2074 return -EINVAL; 2075 2076 if (iwl_is_rfkill(priv)) 2077 return -EFAULT; 2078 2079 iwlagn_dev_txfifo_flush(priv); 2080 2081 return count; 2082 } 2083 2084 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2085 char __user *user_buf, 2086 size_t count, loff_t *ppos) { 2087 2088 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2089 int pos = 0; 2090 char buf[200]; 2091 const size_t bufsz = sizeof(buf); 2092 2093 if (!priv->bt_enable_flag) { 2094 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2095 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2096 } 2097 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2098 priv->bt_enable_flag); 2099 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2100 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2101 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2102 "last traffic notif: %d\n", 2103 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2104 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2105 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2106 priv->bt_ch_announce, priv->kill_ack_mask, 2107 priv->kill_cts_mask); 2108 2109 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2110 switch (priv->bt_traffic_load) { 2111 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2112 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2113 break; 2114 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2115 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2116 break; 2117 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2118 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2119 break; 2120 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2121 default: 2122 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2123 break; 2124 } 2125 2126 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2127 } 2128 2129 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2130 char __user *user_buf, 2131 size_t count, loff_t *ppos) 2132 { 2133 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2134 2135 int pos = 0; 2136 char buf[40]; 2137 const size_t bufsz = sizeof(buf); 2138 2139 if (priv->cfg->ht_params) 2140 pos += scnprintf(buf + pos, bufsz - pos, 2141 "use %s for aggregation\n", 2142 (priv->hw_params.use_rts_for_aggregation) ? 2143 "rts/cts" : "cts-to-self"); 2144 else 2145 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2146 2147 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2148 } 2149 2150 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2151 const char __user *user_buf, 2152 size_t count, loff_t *ppos) { 2153 2154 struct iwl_priv *priv = file->private_data; 2155 char buf[8]; 2156 int buf_size; 2157 int rts; 2158 2159 if (!priv->cfg->ht_params) 2160 return -EINVAL; 2161 2162 memset(buf, 0, sizeof(buf)); 2163 buf_size = min(count, sizeof(buf) - 1); 2164 if (copy_from_user(buf, user_buf, buf_size)) 2165 return -EFAULT; 2166 if (sscanf(buf, "%d", &rts) != 1) 2167 return -EINVAL; 2168 if (rts) 2169 priv->hw_params.use_rts_for_aggregation = true; 2170 else 2171 priv->hw_params.use_rts_for_aggregation = false; 2172 return count; 2173 } 2174 2175 static int iwl_cmd_echo_test(struct iwl_priv *priv) 2176 { 2177 int ret; 2178 struct iwl_host_cmd cmd = { 2179 .id = REPLY_ECHO, 2180 .len = { 0 }, 2181 }; 2182 2183 ret = iwl_dvm_send_cmd(priv, &cmd); 2184 if (ret) 2185 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); 2186 else 2187 IWL_DEBUG_INFO(priv, "echo testing pass\n"); 2188 return ret; 2189 } 2190 2191 static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2192 const char __user *user_buf, 2193 size_t count, loff_t *ppos) 2194 { 2195 struct iwl_priv *priv = file->private_data; 2196 char buf[8]; 2197 int buf_size; 2198 2199 memset(buf, 0, sizeof(buf)); 2200 buf_size = min(count, sizeof(buf) - 1); 2201 if (copy_from_user(buf, user_buf, buf_size)) 2202 return -EFAULT; 2203 2204 iwl_cmd_echo_test(priv); 2205 return count; 2206 } 2207 2208 #ifdef CONFIG_IWLWIFI_DEBUG 2209 static ssize_t iwl_dbgfs_log_event_read(struct file *file, 2210 char __user *user_buf, 2211 size_t count, loff_t *ppos) 2212 { 2213 struct iwl_priv *priv = file->private_data; 2214 char *buf = NULL; 2215 ssize_t ret; 2216 2217 ret = iwl_dump_nic_event_log(priv, true, &buf); 2218 if (ret > 0) 2219 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); 2220 kfree(buf); 2221 return ret; 2222 } 2223 2224 static ssize_t iwl_dbgfs_log_event_write(struct file *file, 2225 const char __user *user_buf, 2226 size_t count, loff_t *ppos) 2227 { 2228 struct iwl_priv *priv = file->private_data; 2229 u32 event_log_flag; 2230 char buf[8]; 2231 int buf_size; 2232 2233 /* check that the interface is up */ 2234 if (!iwl_is_ready(priv)) 2235 return -EAGAIN; 2236 2237 memset(buf, 0, sizeof(buf)); 2238 buf_size = min(count, sizeof(buf) - 1); 2239 if (copy_from_user(buf, user_buf, buf_size)) 2240 return -EFAULT; 2241 if (sscanf(buf, "%d", &event_log_flag) != 1) 2242 return -EFAULT; 2243 if (event_log_flag == 1) 2244 iwl_dump_nic_event_log(priv, true, NULL); 2245 2246 return count; 2247 } 2248 #endif 2249 2250 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file, 2251 char __user *user_buf, 2252 size_t count, loff_t *ppos) 2253 { 2254 struct iwl_priv *priv = file->private_data; 2255 char buf[120]; 2256 int pos = 0; 2257 const size_t bufsz = sizeof(buf); 2258 2259 pos += scnprintf(buf + pos, bufsz - pos, 2260 "Sensitivity calibrations %s\n", 2261 (priv->calib_disabled & 2262 IWL_SENSITIVITY_CALIB_DISABLED) ? 2263 "DISABLED" : "ENABLED"); 2264 pos += scnprintf(buf + pos, bufsz - pos, 2265 "Chain noise calibrations %s\n", 2266 (priv->calib_disabled & 2267 IWL_CHAIN_NOISE_CALIB_DISABLED) ? 2268 "DISABLED" : "ENABLED"); 2269 pos += scnprintf(buf + pos, bufsz - pos, 2270 "Tx power calibrations %s\n", 2271 (priv->calib_disabled & 2272 IWL_TX_POWER_CALIB_DISABLED) ? 2273 "DISABLED" : "ENABLED"); 2274 2275 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2276 } 2277 2278 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, 2279 const char __user *user_buf, 2280 size_t count, loff_t *ppos) 2281 { 2282 struct iwl_priv *priv = file->private_data; 2283 char buf[8]; 2284 u32 calib_disabled; 2285 int buf_size; 2286 2287 memset(buf, 0, sizeof(buf)); 2288 buf_size = min(count, sizeof(buf) - 1); 2289 if (copy_from_user(buf, user_buf, buf_size)) 2290 return -EFAULT; 2291 if (sscanf(buf, "%x", &calib_disabled) != 1) 2292 return -EFAULT; 2293 2294 priv->calib_disabled = calib_disabled; 2295 2296 return count; 2297 } 2298 2299 static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, 2300 const char __user *user_buf, 2301 size_t count, loff_t *ppos) 2302 { 2303 struct iwl_priv *priv = file->private_data; 2304 bool fw_restart = iwlwifi_mod_params.fw_restart; 2305 int __maybe_unused ret; 2306 2307 iwlwifi_mod_params.fw_restart = true; 2308 2309 mutex_lock(&priv->mutex); 2310 2311 /* take the return value to make compiler happy - it will fail anyway */ 2312 ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, 0, 0, NULL); 2313 2314 mutex_unlock(&priv->mutex); 2315 2316 iwlwifi_mod_params.fw_restart = fw_restart; 2317 2318 return count; 2319 } 2320 2321 DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2322 DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2323 DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2324 DEBUGFS_READ_FILE_OPS(sensitivity); 2325 DEBUGFS_READ_FILE_OPS(chain_noise); 2326 DEBUGFS_READ_FILE_OPS(power_save_status); 2327 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2328 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2329 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2330 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2331 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset); 2332 DEBUGFS_READ_FILE_OPS(rxon_flags); 2333 DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2334 DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2335 DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2336 DEBUGFS_READ_FILE_OPS(bt_traffic); 2337 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2338 DEBUGFS_READ_FILE_OPS(reply_tx_error); 2339 DEBUGFS_WRITE_FILE_OPS(echo_test); 2340 DEBUGFS_WRITE_FILE_OPS(fw_restart); 2341 #ifdef CONFIG_IWLWIFI_DEBUG 2342 DEBUGFS_READ_WRITE_FILE_OPS(log_event); 2343 #endif 2344 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled); 2345 2346 /* 2347 * Create the debugfs files and directories 2348 * 2349 */ 2350 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir) 2351 { 2352 struct dentry *dir_data, *dir_rf, *dir_debug; 2353 2354 priv->debugfs_dir = dbgfs_dir; 2355 2356 dir_data = debugfs_create_dir("data", dbgfs_dir); 2357 if (!dir_data) 2358 goto err; 2359 dir_rf = debugfs_create_dir("rf", dbgfs_dir); 2360 if (!dir_rf) 2361 goto err; 2362 dir_debug = debugfs_create_dir("debug", dbgfs_dir); 2363 if (!dir_debug) 2364 goto err; 2365 2366 DEBUGFS_ADD_FILE(nvm, dir_data, 0400); 2367 DEBUGFS_ADD_FILE(sram, dir_data, 0600); 2368 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, 0400); 2369 DEBUGFS_ADD_FILE(stations, dir_data, 0400); 2370 DEBUGFS_ADD_FILE(channels, dir_data, 0400); 2371 DEBUGFS_ADD_FILE(status, dir_data, 0400); 2372 DEBUGFS_ADD_FILE(rx_handlers, dir_data, 0600); 2373 DEBUGFS_ADD_FILE(qos, dir_data, 0400); 2374 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, 0600); 2375 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, 0400); 2376 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, 0400); 2377 DEBUGFS_ADD_FILE(disable_ht40, dir_data, 0600); 2378 DEBUGFS_ADD_FILE(temperature, dir_data, 0400); 2379 2380 DEBUGFS_ADD_FILE(power_save_status, dir_debug, 0400); 2381 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, 0200); 2382 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, 0200); 2383 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, 0600); 2384 DEBUGFS_ADD_FILE(rf_reset, dir_debug, 0600); 2385 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, 0400); 2386 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, 0400); 2387 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, 0400); 2388 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, 0200); 2389 DEBUGFS_ADD_FILE(protection_mode, dir_debug, 0600); 2390 DEBUGFS_ADD_FILE(sensitivity, dir_debug, 0400); 2391 DEBUGFS_ADD_FILE(chain_noise, dir_debug, 0400); 2392 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, 0600); 2393 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, 0400); 2394 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, 0400); 2395 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, 0200); 2396 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, 0200); 2397 DEBUGFS_ADD_FILE(echo_test, dir_debug, 0200); 2398 DEBUGFS_ADD_FILE(fw_restart, dir_debug, 0200); 2399 #ifdef CONFIG_IWLWIFI_DEBUG 2400 DEBUGFS_ADD_FILE(log_event, dir_debug, 0600); 2401 #endif 2402 2403 if (iwl_advanced_bt_coexist(priv)) 2404 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, 0400); 2405 2406 /* Calibrations disabled/enabled status*/ 2407 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, 0600); 2408 2409 /* 2410 * Create a symlink with mac80211. This is not very robust, as it does 2411 * not remove the symlink created. The implicit assumption is that 2412 * when the opmode exits, mac80211 will also exit, and will remove 2413 * this symlink as part of its cleanup. 2414 */ 2415 if (priv->mac80211_registered) { 2416 char buf[100]; 2417 struct dentry *mac80211_dir, *dev_dir; 2418 2419 dev_dir = dbgfs_dir->d_parent; 2420 mac80211_dir = priv->hw->wiphy->debugfsdir; 2421 2422 snprintf(buf, 100, "../../%pd2", dev_dir); 2423 2424 if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf)) 2425 goto err; 2426 } 2427 2428 return 0; 2429 2430 err: 2431 IWL_ERR(priv, "failed to create the dvm debugfs entries\n"); 2432 return -ENOMEM; 2433 } 2434