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 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 19 * USA 20 * 21 * The full GNU General Public License is included in this distribution 22 * in the file called COPYING. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <ilw@linux.intel.com> 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27 *****************************************************************************/ 28 29#include <linux/slab.h> 30#include <linux/kernel.h> 31#include <linux/module.h> 32#include <linux/debugfs.h> 33#include <linux/ieee80211.h> 34#include <net/mac80211.h> 35#include "iwl-debug.h" 36#include "iwl-io.h" 37#include "dev.h" 38#include "agn.h" 39 40/* create and remove of files */ 41#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 42 if (!debugfs_create_file(#name, mode, parent, priv, \ 43 &iwl_dbgfs_##name##_ops)) \ 44 goto err; \ 45} while (0) 46 47#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 48 struct dentry *__tmp; \ 49 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 50 parent, ptr); \ 51 if (IS_ERR(__tmp) || !__tmp) \ 52 goto err; \ 53} while (0) 54 55#define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 56 struct dentry *__tmp; \ 57 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ 58 parent, ptr); \ 59 if (IS_ERR(__tmp) || !__tmp) \ 60 goto err; \ 61} while (0) 62 63#define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \ 64 struct dentry *__tmp; \ 65 __tmp = debugfs_create_u32(#name, mode, \ 66 parent, ptr); \ 67 if (IS_ERR(__tmp) || !__tmp) \ 68 goto err; \ 69} while (0) 70 71/* file operation */ 72#define DEBUGFS_READ_FILE_OPS(name) \ 73static const struct file_operations iwl_dbgfs_##name##_ops = { \ 74 .read = iwl_dbgfs_##name##_read, \ 75 .open = simple_open, \ 76 .llseek = generic_file_llseek, \ 77}; 78 79#define DEBUGFS_WRITE_FILE_OPS(name) \ 80static const struct file_operations iwl_dbgfs_##name##_ops = { \ 81 .write = iwl_dbgfs_##name##_write, \ 82 .open = simple_open, \ 83 .llseek = generic_file_llseek, \ 84}; 85 86 87#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 88static const struct file_operations iwl_dbgfs_##name##_ops = { \ 89 .write = iwl_dbgfs_##name##_write, \ 90 .read = iwl_dbgfs_##name##_read, \ 91 .open = simple_open, \ 92 .llseek = generic_file_llseek, \ 93}; 94 95static ssize_t iwl_dbgfs_sram_read(struct file *file, 96 char __user *user_buf, 97 size_t count, loff_t *ppos) 98{ 99 u32 val = 0; 100 char *buf; 101 ssize_t ret; 102 int i = 0; 103 bool device_format = false; 104 int offset = 0; 105 int len = 0; 106 int pos = 0; 107 int sram; 108 struct iwl_priv *priv = file->private_data; 109 const struct fw_img *img; 110 size_t bufsz; 111 112 if (!iwl_is_ready_rf(priv)) 113 return -EAGAIN; 114 115 /* default is to dump the entire data segment */ 116 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 117 priv->dbgfs_sram_offset = 0x800000; 118 if (!priv->ucode_loaded) 119 return -EINVAL; 120 img = &priv->fw->img[priv->cur_ucode]; 121 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 122 } 123 len = priv->dbgfs_sram_len; 124 125 if (len == -4) { 126 device_format = true; 127 len = 4; 128 } 129 130 bufsz = 50 + len * 4; 131 buf = kmalloc(bufsz, GFP_KERNEL); 132 if (!buf) 133 return -ENOMEM; 134 135 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 136 len); 137 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 138 priv->dbgfs_sram_offset); 139 140 /* adjust sram address since reads are only on even u32 boundaries */ 141 offset = priv->dbgfs_sram_offset & 0x3; 142 sram = priv->dbgfs_sram_offset & ~0x3; 143 144 /* read the first u32 from sram */ 145 val = iwl_trans_read_mem32(priv->trans, sram); 146 147 for (; len; len--) { 148 /* put the address at the start of every line */ 149 if (i == 0) 150 pos += scnprintf(buf + pos, bufsz - pos, 151 "%08X: ", sram + offset); 152 153 if (device_format) 154 pos += scnprintf(buf + pos, bufsz - pos, 155 "%02x", (val >> (8 * (3 - offset))) & 0xff); 156 else 157 pos += scnprintf(buf + pos, bufsz - pos, 158 "%02x ", (val >> (8 * offset)) & 0xff); 159 160 /* if all bytes processed, read the next u32 from sram */ 161 if (++offset == 4) { 162 sram += 4; 163 offset = 0; 164 val = iwl_trans_read_mem32(priv->trans, sram); 165 } 166 167 /* put in extra spaces and split lines for human readability */ 168 if (++i == 16) { 169 i = 0; 170 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 171 } else if (!(i & 7)) { 172 pos += scnprintf(buf + pos, bufsz - pos, " "); 173 } else if (!(i & 3)) { 174 pos += scnprintf(buf + pos, bufsz - pos, " "); 175 } 176 } 177 if (i) 178 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 179 180 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 181 kfree(buf); 182 return ret; 183} 184 185static ssize_t iwl_dbgfs_sram_write(struct file *file, 186 const char __user *user_buf, 187 size_t count, loff_t *ppos) 188{ 189 struct iwl_priv *priv = file->private_data; 190 char buf[64]; 191 int buf_size; 192 u32 offset, len; 193 194 memset(buf, 0, sizeof(buf)); 195 buf_size = min(count, sizeof(buf) - 1); 196 if (copy_from_user(buf, user_buf, buf_size)) 197 return -EFAULT; 198 199 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 200 priv->dbgfs_sram_offset = offset; 201 priv->dbgfs_sram_len = len; 202 } else if (sscanf(buf, "%x", &offset) == 1) { 203 priv->dbgfs_sram_offset = offset; 204 priv->dbgfs_sram_len = -4; 205 } else { 206 priv->dbgfs_sram_offset = 0; 207 priv->dbgfs_sram_len = 0; 208 } 209 210 return count; 211} 212 213static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 214 char __user *user_buf, 215 size_t count, loff_t *ppos) 216{ 217 struct iwl_priv *priv = file->private_data; 218 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; 219 220 if (!priv->wowlan_sram) 221 return -ENODATA; 222 223 return simple_read_from_buffer(user_buf, count, ppos, 224 priv->wowlan_sram, 225 img->sec[IWL_UCODE_SECTION_DATA].len); 226} 227static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 228 size_t count, loff_t *ppos) 229{ 230 struct iwl_priv *priv = file->private_data; 231 struct iwl_station_entry *station; 232 struct iwl_tid_data *tid_data; 233 char *buf; 234 int i, j, pos = 0; 235 ssize_t ret; 236 /* Add 30 for initial string */ 237 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 238 239 buf = kmalloc(bufsz, GFP_KERNEL); 240 if (!buf) 241 return -ENOMEM; 242 243 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 244 priv->num_stations); 245 246 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 247 station = &priv->stations[i]; 248 if (!station->used) 249 continue; 250 pos += scnprintf(buf + pos, bufsz - pos, 251 "station %d - addr: %pM, flags: %#x\n", 252 i, station->sta.sta.addr, 253 station->sta.station_flags_msk); 254 pos += scnprintf(buf + pos, bufsz - pos, 255 "TID seqno next_rclmd " 256 "rate_n_flags state txq\n"); 257 258 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 259 tid_data = &priv->tid_data[i][j]; 260 pos += scnprintf(buf + pos, bufsz - pos, 261 "%d: 0x%.4x 0x%.4x 0x%.8x " 262 "%d %.2d", 263 j, tid_data->seq_number, 264 tid_data->next_reclaimed, 265 tid_data->agg.rate_n_flags, 266 tid_data->agg.state, 267 tid_data->agg.txq_id); 268 269 if (tid_data->agg.wait_for_ba) 270 pos += scnprintf(buf + pos, bufsz - pos, 271 " - waitforba"); 272 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 273 } 274 275 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 276 } 277 278 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 279 kfree(buf); 280 return ret; 281} 282 283static ssize_t iwl_dbgfs_nvm_read(struct file *file, 284 char __user *user_buf, 285 size_t count, 286 loff_t *ppos) 287{ 288 ssize_t ret; 289 struct iwl_priv *priv = file->private_data; 290 int pos = 0, ofs = 0, buf_size = 0; 291 const u8 *ptr; 292 char *buf; 293 u16 nvm_ver; 294 size_t eeprom_len = priv->eeprom_blob_size; 295 buf_size = 4 * eeprom_len + 256; 296 297 if (eeprom_len % 16) 298 return -ENODATA; 299 300 ptr = priv->eeprom_blob; 301 if (!ptr) 302 return -ENOMEM; 303 304 /* 4 characters for byte 0xYY */ 305 buf = kzalloc(buf_size, GFP_KERNEL); 306 if (!buf) 307 return -ENOMEM; 308 309 nvm_ver = priv->nvm_data->nvm_version; 310 pos += scnprintf(buf + pos, buf_size - pos, 311 "NVM version: 0x%x\n", nvm_ver); 312 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 313 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 314 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 315 buf_size - pos, 0); 316 pos += strlen(buf + pos); 317 if (buf_size - pos > 0) 318 buf[pos++] = '\n'; 319 } 320 321 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 322 kfree(buf); 323 return ret; 324} 325 326static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 327 size_t count, loff_t *ppos) 328{ 329 struct iwl_priv *priv = file->private_data; 330 struct ieee80211_channel *channels = NULL; 331 const struct ieee80211_supported_band *supp_band = NULL; 332 int pos = 0, i, bufsz = PAGE_SIZE; 333 char *buf; 334 ssize_t ret; 335 336 buf = kzalloc(bufsz, GFP_KERNEL); 337 if (!buf) 338 return -ENOMEM; 339 340 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 341 if (supp_band) { 342 channels = supp_band->channels; 343 344 pos += scnprintf(buf + pos, bufsz - pos, 345 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 346 supp_band->n_channels); 347 348 for (i = 0; i < supp_band->n_channels; i++) 349 pos += scnprintf(buf + pos, bufsz - pos, 350 "%d: %ddBm: BSS%s%s, %s.\n", 351 channels[i].hw_value, 352 channels[i].max_power, 353 channels[i].flags & IEEE80211_CHAN_RADAR ? 354 " (IEEE 802.11h required)" : "", 355 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 356 || (channels[i].flags & 357 IEEE80211_CHAN_RADAR)) ? "" : 358 ", IBSS", 359 channels[i].flags & 360 IEEE80211_CHAN_NO_IR ? 361 "passive only" : "active/passive"); 362 } 363 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 364 if (supp_band) { 365 channels = supp_band->channels; 366 367 pos += scnprintf(buf + pos, bufsz - pos, 368 "Displaying %d channels in 5.2GHz band (802.11a)\n", 369 supp_band->n_channels); 370 371 for (i = 0; i < supp_band->n_channels; i++) 372 pos += scnprintf(buf + pos, bufsz - pos, 373 "%d: %ddBm: BSS%s%s, %s.\n", 374 channels[i].hw_value, 375 channels[i].max_power, 376 channels[i].flags & IEEE80211_CHAN_RADAR ? 377 " (IEEE 802.11h required)" : "", 378 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 379 || (channels[i].flags & 380 IEEE80211_CHAN_RADAR)) ? "" : 381 ", IBSS", 382 channels[i].flags & 383 IEEE80211_CHAN_NO_IR ? 384 "passive only" : "active/passive"); 385 } 386 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 387 kfree(buf); 388 return ret; 389} 390 391static ssize_t iwl_dbgfs_status_read(struct file *file, 392 char __user *user_buf, 393 size_t count, loff_t *ppos) { 394 395 struct iwl_priv *priv = file->private_data; 396 char buf[512]; 397 int pos = 0; 398 const size_t bufsz = sizeof(buf); 399 400 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 401 test_bit(STATUS_RF_KILL_HW, &priv->status)); 402 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 403 test_bit(STATUS_CT_KILL, &priv->status)); 404 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 405 test_bit(STATUS_ALIVE, &priv->status)); 406 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 407 test_bit(STATUS_READY, &priv->status)); 408 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 409 test_bit(STATUS_EXIT_PENDING, &priv->status)); 410 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 411 test_bit(STATUS_STATISTICS, &priv->status)); 412 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 413 test_bit(STATUS_SCANNING, &priv->status)); 414 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 415 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 416 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 417 test_bit(STATUS_SCAN_HW, &priv->status)); 418 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 419 test_bit(STATUS_POWER_PMI, &priv->status)); 420 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 421 test_bit(STATUS_FW_ERROR, &priv->status)); 422 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 423} 424 425static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 426 char __user *user_buf, 427 size_t count, loff_t *ppos) { 428 429 struct iwl_priv *priv = file->private_data; 430 431 int pos = 0; 432 int cnt = 0; 433 char *buf; 434 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 435 ssize_t ret; 436 437 buf = kzalloc(bufsz, GFP_KERNEL); 438 if (!buf) 439 return -ENOMEM; 440 441 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 442 if (priv->rx_handlers_stats[cnt] > 0) 443 pos += scnprintf(buf + pos, bufsz - pos, 444 "\tRx handler[%36s]:\t\t %u\n", 445 iwl_dvm_get_cmd_string(cnt), 446 priv->rx_handlers_stats[cnt]); 447 } 448 449 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 450 kfree(buf); 451 return ret; 452} 453 454static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 455 const char __user *user_buf, 456 size_t count, loff_t *ppos) 457{ 458 struct iwl_priv *priv = file->private_data; 459 460 char buf[8]; 461 int buf_size; 462 u32 reset_flag; 463 464 memset(buf, 0, sizeof(buf)); 465 buf_size = min(count, sizeof(buf) - 1); 466 if (copy_from_user(buf, user_buf, buf_size)) 467 return -EFAULT; 468 if (sscanf(buf, "%x", &reset_flag) != 1) 469 return -EFAULT; 470 if (reset_flag == 0) 471 memset(&priv->rx_handlers_stats[0], 0, 472 sizeof(priv->rx_handlers_stats)); 473 474 return count; 475} 476 477static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 478 size_t count, loff_t *ppos) 479{ 480 struct iwl_priv *priv = file->private_data; 481 struct iwl_rxon_context *ctx; 482 int pos = 0, i; 483 char buf[256 * NUM_IWL_RXON_CTX]; 484 const size_t bufsz = sizeof(buf); 485 486 for_each_context(priv, ctx) { 487 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 488 ctx->ctxid); 489 for (i = 0; i < AC_NUM; i++) { 490 pos += scnprintf(buf + pos, bufsz - pos, 491 "\tcw_min\tcw_max\taifsn\ttxop\n"); 492 pos += scnprintf(buf + pos, bufsz - pos, 493 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 494 ctx->qos_data.def_qos_parm.ac[i].cw_min, 495 ctx->qos_data.def_qos_parm.ac[i].cw_max, 496 ctx->qos_data.def_qos_parm.ac[i].aifsn, 497 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 498 } 499 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 500 } 501 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 502} 503 504static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 505 char __user *user_buf, 506 size_t count, loff_t *ppos) 507{ 508 struct iwl_priv *priv = file->private_data; 509 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 510 struct iwl_tt_restriction *restriction; 511 char buf[100]; 512 int pos = 0; 513 const size_t bufsz = sizeof(buf); 514 515 pos += scnprintf(buf + pos, bufsz - pos, 516 "Thermal Throttling Mode: %s\n", 517 tt->advanced_tt ? "Advance" : "Legacy"); 518 pos += scnprintf(buf + pos, bufsz - pos, 519 "Thermal Throttling State: %d\n", 520 tt->state); 521 if (tt->advanced_tt) { 522 restriction = tt->restriction + tt->state; 523 pos += scnprintf(buf + pos, bufsz - pos, 524 "Tx mode: %d\n", 525 restriction->tx_stream); 526 pos += scnprintf(buf + pos, bufsz - pos, 527 "Rx mode: %d\n", 528 restriction->rx_stream); 529 pos += scnprintf(buf + pos, bufsz - pos, 530 "HT mode: %d\n", 531 restriction->is_ht); 532 } 533 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 534} 535 536static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 537 const char __user *user_buf, 538 size_t count, loff_t *ppos) 539{ 540 struct iwl_priv *priv = file->private_data; 541 char buf[8]; 542 int buf_size; 543 int ht40; 544 545 memset(buf, 0, sizeof(buf)); 546 buf_size = min(count, sizeof(buf) - 1); 547 if (copy_from_user(buf, user_buf, buf_size)) 548 return -EFAULT; 549 if (sscanf(buf, "%d", &ht40) != 1) 550 return -EFAULT; 551 if (!iwl_is_any_associated(priv)) 552 priv->disable_ht40 = ht40 ? true : false; 553 else 554 return -EINVAL; 555 556 return count; 557} 558 559static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 560 char __user *user_buf, 561 size_t count, loff_t *ppos) 562{ 563 struct iwl_priv *priv = file->private_data; 564 char buf[100]; 565 int pos = 0; 566 const size_t bufsz = sizeof(buf); 567 568 pos += scnprintf(buf + pos, bufsz - pos, 569 "11n 40MHz Mode: %s\n", 570 priv->disable_ht40 ? "Disabled" : "Enabled"); 571 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 572} 573 574static ssize_t iwl_dbgfs_temperature_read(struct file *file, 575 char __user *user_buf, 576 size_t count, loff_t *ppos) 577{ 578 struct iwl_priv *priv = file->private_data; 579 char buf[8]; 580 int pos = 0; 581 const size_t bufsz = sizeof(buf); 582 583 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 584 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 585} 586 587 588static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 589 const char __user *user_buf, 590 size_t count, loff_t *ppos) 591{ 592 struct iwl_priv *priv = file->private_data; 593 char buf[8]; 594 int buf_size; 595 int value; 596 597 memset(buf, 0, sizeof(buf)); 598 buf_size = min(count, sizeof(buf) - 1); 599 if (copy_from_user(buf, user_buf, buf_size)) 600 return -EFAULT; 601 602 if (sscanf(buf, "%d", &value) != 1) 603 return -EINVAL; 604 605 /* 606 * Our users expect 0 to be "CAM", but 0 isn't actually 607 * valid here. However, let's not confuse them and present 608 * IWL_POWER_INDEX_1 as "1", not "0". 609 */ 610 if (value == 0) 611 return -EINVAL; 612 else if (value > 0) 613 value -= 1; 614 615 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 616 return -EINVAL; 617 618 if (!iwl_is_ready_rf(priv)) 619 return -EAGAIN; 620 621 priv->power_data.debug_sleep_level_override = value; 622 623 mutex_lock(&priv->mutex); 624 iwl_power_update_mode(priv, true); 625 mutex_unlock(&priv->mutex); 626 627 return count; 628} 629 630static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 631 char __user *user_buf, 632 size_t count, loff_t *ppos) 633{ 634 struct iwl_priv *priv = file->private_data; 635 char buf[10]; 636 int pos, value; 637 const size_t bufsz = sizeof(buf); 638 639 /* see the write function */ 640 value = priv->power_data.debug_sleep_level_override; 641 if (value >= 0) 642 value += 1; 643 644 pos = scnprintf(buf, bufsz, "%d\n", value); 645 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 646} 647 648static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 649 char __user *user_buf, 650 size_t count, loff_t *ppos) 651{ 652 struct iwl_priv *priv = file->private_data; 653 char buf[200]; 654 int pos = 0, i; 655 const size_t bufsz = sizeof(buf); 656 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 657 658 pos += scnprintf(buf + pos, bufsz - pos, 659 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 660 pos += scnprintf(buf + pos, bufsz - pos, 661 "RX/TX timeout: %d/%d usec\n", 662 le32_to_cpu(cmd->rx_data_timeout), 663 le32_to_cpu(cmd->tx_data_timeout)); 664 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 665 pos += scnprintf(buf + pos, bufsz - pos, 666 "sleep_interval[%d]: %d\n", i, 667 le32_to_cpu(cmd->sleep_interval[i])); 668 669 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 670} 671 672DEBUGFS_READ_WRITE_FILE_OPS(sram); 673DEBUGFS_READ_FILE_OPS(wowlan_sram); 674DEBUGFS_READ_FILE_OPS(nvm); 675DEBUGFS_READ_FILE_OPS(stations); 676DEBUGFS_READ_FILE_OPS(channels); 677DEBUGFS_READ_FILE_OPS(status); 678DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 679DEBUGFS_READ_FILE_OPS(qos); 680DEBUGFS_READ_FILE_OPS(thermal_throttling); 681DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 682DEBUGFS_READ_FILE_OPS(temperature); 683DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 684DEBUGFS_READ_FILE_OPS(current_sleep_command); 685 686static const char *fmt_value = " %-30s %10u\n"; 687static const char *fmt_hex = " %-30s 0x%02X\n"; 688static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; 689static const char *fmt_header = 690 "%-32s current cumulative delta max\n"; 691 692static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 693{ 694 int p = 0; 695 u32 flag; 696 697 lockdep_assert_held(&priv->statistics.lock); 698 699 flag = le32_to_cpu(priv->statistics.flag); 700 701 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 702 if (flag & UCODE_STATISTICS_CLEAR_MSK) 703 p += scnprintf(buf + p, bufsz - p, 704 "\tStatistics have been cleared\n"); 705 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 706 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 707 ? "2.4 GHz" : "5.2 GHz"); 708 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 709 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 710 ? "enabled" : "disabled"); 711 712 return p; 713} 714 715static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 716 char __user *user_buf, 717 size_t count, loff_t *ppos) 718{ 719 struct iwl_priv *priv = file->private_data; 720 int pos = 0; 721 char *buf; 722 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 723 sizeof(struct statistics_rx_non_phy) * 40 + 724 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 725 ssize_t ret; 726 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 727 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 728 struct statistics_rx_non_phy *general, *accum_general; 729 struct statistics_rx_non_phy *delta_general, *max_general; 730 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 731 732 if (!iwl_is_alive(priv)) 733 return -EAGAIN; 734 735 buf = kzalloc(bufsz, GFP_KERNEL); 736 if (!buf) 737 return -ENOMEM; 738 739 /* 740 * the statistic information display here is based on 741 * the last statistics notification from uCode 742 * might not reflect the current uCode activity 743 */ 744 spin_lock_bh(&priv->statistics.lock); 745 ofdm = &priv->statistics.rx_ofdm; 746 cck = &priv->statistics.rx_cck; 747 general = &priv->statistics.rx_non_phy; 748 ht = &priv->statistics.rx_ofdm_ht; 749 accum_ofdm = &priv->accum_stats.rx_ofdm; 750 accum_cck = &priv->accum_stats.rx_cck; 751 accum_general = &priv->accum_stats.rx_non_phy; 752 accum_ht = &priv->accum_stats.rx_ofdm_ht; 753 delta_ofdm = &priv->delta_stats.rx_ofdm; 754 delta_cck = &priv->delta_stats.rx_cck; 755 delta_general = &priv->delta_stats.rx_non_phy; 756 delta_ht = &priv->delta_stats.rx_ofdm_ht; 757 max_ofdm = &priv->max_delta_stats.rx_ofdm; 758 max_cck = &priv->max_delta_stats.rx_cck; 759 max_general = &priv->max_delta_stats.rx_non_phy; 760 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 761 762 pos += iwl_statistics_flag(priv, buf, bufsz); 763 pos += scnprintf(buf + pos, bufsz - pos, 764 fmt_header, "Statistics_Rx - OFDM:"); 765 pos += scnprintf(buf + pos, bufsz - pos, 766 fmt_table, "ina_cnt:", 767 le32_to_cpu(ofdm->ina_cnt), 768 accum_ofdm->ina_cnt, 769 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 770 pos += scnprintf(buf + pos, bufsz - pos, 771 fmt_table, "fina_cnt:", 772 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 773 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 774 pos += scnprintf(buf + pos, bufsz - pos, 775 fmt_table, "plcp_err:", 776 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 777 delta_ofdm->plcp_err, max_ofdm->plcp_err); 778 pos += scnprintf(buf + pos, bufsz - pos, 779 fmt_table, "crc32_err:", 780 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 781 delta_ofdm->crc32_err, max_ofdm->crc32_err); 782 pos += scnprintf(buf + pos, bufsz - pos, 783 fmt_table, "overrun_err:", 784 le32_to_cpu(ofdm->overrun_err), 785 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 786 max_ofdm->overrun_err); 787 pos += scnprintf(buf + pos, bufsz - pos, 788 fmt_table, "early_overrun_err:", 789 le32_to_cpu(ofdm->early_overrun_err), 790 accum_ofdm->early_overrun_err, 791 delta_ofdm->early_overrun_err, 792 max_ofdm->early_overrun_err); 793 pos += scnprintf(buf + pos, bufsz - pos, 794 fmt_table, "crc32_good:", 795 le32_to_cpu(ofdm->crc32_good), 796 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 797 max_ofdm->crc32_good); 798 pos += scnprintf(buf + pos, bufsz - pos, 799 fmt_table, "false_alarm_cnt:", 800 le32_to_cpu(ofdm->false_alarm_cnt), 801 accum_ofdm->false_alarm_cnt, 802 delta_ofdm->false_alarm_cnt, 803 max_ofdm->false_alarm_cnt); 804 pos += scnprintf(buf + pos, bufsz - pos, 805 fmt_table, "fina_sync_err_cnt:", 806 le32_to_cpu(ofdm->fina_sync_err_cnt), 807 accum_ofdm->fina_sync_err_cnt, 808 delta_ofdm->fina_sync_err_cnt, 809 max_ofdm->fina_sync_err_cnt); 810 pos += scnprintf(buf + pos, bufsz - pos, 811 fmt_table, "sfd_timeout:", 812 le32_to_cpu(ofdm->sfd_timeout), 813 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 814 max_ofdm->sfd_timeout); 815 pos += scnprintf(buf + pos, bufsz - pos, 816 fmt_table, "fina_timeout:", 817 le32_to_cpu(ofdm->fina_timeout), 818 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 819 max_ofdm->fina_timeout); 820 pos += scnprintf(buf + pos, bufsz - pos, 821 fmt_table, "unresponded_rts:", 822 le32_to_cpu(ofdm->unresponded_rts), 823 accum_ofdm->unresponded_rts, 824 delta_ofdm->unresponded_rts, 825 max_ofdm->unresponded_rts); 826 pos += scnprintf(buf + pos, bufsz - pos, 827 fmt_table, "rxe_frame_lmt_ovrun:", 828 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 829 accum_ofdm->rxe_frame_limit_overrun, 830 delta_ofdm->rxe_frame_limit_overrun, 831 max_ofdm->rxe_frame_limit_overrun); 832 pos += scnprintf(buf + pos, bufsz - pos, 833 fmt_table, "sent_ack_cnt:", 834 le32_to_cpu(ofdm->sent_ack_cnt), 835 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 836 max_ofdm->sent_ack_cnt); 837 pos += scnprintf(buf + pos, bufsz - pos, 838 fmt_table, "sent_cts_cnt:", 839 le32_to_cpu(ofdm->sent_cts_cnt), 840 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 841 max_ofdm->sent_cts_cnt); 842 pos += scnprintf(buf + pos, bufsz - pos, 843 fmt_table, "sent_ba_rsp_cnt:", 844 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 845 accum_ofdm->sent_ba_rsp_cnt, 846 delta_ofdm->sent_ba_rsp_cnt, 847 max_ofdm->sent_ba_rsp_cnt); 848 pos += scnprintf(buf + pos, bufsz - pos, 849 fmt_table, "dsp_self_kill:", 850 le32_to_cpu(ofdm->dsp_self_kill), 851 accum_ofdm->dsp_self_kill, 852 delta_ofdm->dsp_self_kill, 853 max_ofdm->dsp_self_kill); 854 pos += scnprintf(buf + pos, bufsz - pos, 855 fmt_table, "mh_format_err:", 856 le32_to_cpu(ofdm->mh_format_err), 857 accum_ofdm->mh_format_err, 858 delta_ofdm->mh_format_err, 859 max_ofdm->mh_format_err); 860 pos += scnprintf(buf + pos, bufsz - pos, 861 fmt_table, "re_acq_main_rssi_sum:", 862 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 863 accum_ofdm->re_acq_main_rssi_sum, 864 delta_ofdm->re_acq_main_rssi_sum, 865 max_ofdm->re_acq_main_rssi_sum); 866 867 pos += scnprintf(buf + pos, bufsz - pos, 868 fmt_header, "Statistics_Rx - CCK:"); 869 pos += scnprintf(buf + pos, bufsz - pos, 870 fmt_table, "ina_cnt:", 871 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 872 delta_cck->ina_cnt, max_cck->ina_cnt); 873 pos += scnprintf(buf + pos, bufsz - pos, 874 fmt_table, "fina_cnt:", 875 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 876 delta_cck->fina_cnt, max_cck->fina_cnt); 877 pos += scnprintf(buf + pos, bufsz - pos, 878 fmt_table, "plcp_err:", 879 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 880 delta_cck->plcp_err, max_cck->plcp_err); 881 pos += scnprintf(buf + pos, bufsz - pos, 882 fmt_table, "crc32_err:", 883 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 884 delta_cck->crc32_err, max_cck->crc32_err); 885 pos += scnprintf(buf + pos, bufsz - pos, 886 fmt_table, "overrun_err:", 887 le32_to_cpu(cck->overrun_err), 888 accum_cck->overrun_err, delta_cck->overrun_err, 889 max_cck->overrun_err); 890 pos += scnprintf(buf + pos, bufsz - pos, 891 fmt_table, "early_overrun_err:", 892 le32_to_cpu(cck->early_overrun_err), 893 accum_cck->early_overrun_err, 894 delta_cck->early_overrun_err, 895 max_cck->early_overrun_err); 896 pos += scnprintf(buf + pos, bufsz - pos, 897 fmt_table, "crc32_good:", 898 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 899 delta_cck->crc32_good, max_cck->crc32_good); 900 pos += scnprintf(buf + pos, bufsz - pos, 901 fmt_table, "false_alarm_cnt:", 902 le32_to_cpu(cck->false_alarm_cnt), 903 accum_cck->false_alarm_cnt, 904 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 905 pos += scnprintf(buf + pos, bufsz - pos, 906 fmt_table, "fina_sync_err_cnt:", 907 le32_to_cpu(cck->fina_sync_err_cnt), 908 accum_cck->fina_sync_err_cnt, 909 delta_cck->fina_sync_err_cnt, 910 max_cck->fina_sync_err_cnt); 911 pos += scnprintf(buf + pos, bufsz - pos, 912 fmt_table, "sfd_timeout:", 913 le32_to_cpu(cck->sfd_timeout), 914 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 915 max_cck->sfd_timeout); 916 pos += scnprintf(buf + pos, bufsz - pos, 917 fmt_table, "fina_timeout:", 918 le32_to_cpu(cck->fina_timeout), 919 accum_cck->fina_timeout, delta_cck->fina_timeout, 920 max_cck->fina_timeout); 921 pos += scnprintf(buf + pos, bufsz - pos, 922 fmt_table, "unresponded_rts:", 923 le32_to_cpu(cck->unresponded_rts), 924 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 925 max_cck->unresponded_rts); 926 pos += scnprintf(buf + pos, bufsz - pos, 927 fmt_table, "rxe_frame_lmt_ovrun:", 928 le32_to_cpu(cck->rxe_frame_limit_overrun), 929 accum_cck->rxe_frame_limit_overrun, 930 delta_cck->rxe_frame_limit_overrun, 931 max_cck->rxe_frame_limit_overrun); 932 pos += scnprintf(buf + pos, bufsz - pos, 933 fmt_table, "sent_ack_cnt:", 934 le32_to_cpu(cck->sent_ack_cnt), 935 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 936 max_cck->sent_ack_cnt); 937 pos += scnprintf(buf + pos, bufsz - pos, 938 fmt_table, "sent_cts_cnt:", 939 le32_to_cpu(cck->sent_cts_cnt), 940 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 941 max_cck->sent_cts_cnt); 942 pos += scnprintf(buf + pos, bufsz - pos, 943 fmt_table, "sent_ba_rsp_cnt:", 944 le32_to_cpu(cck->sent_ba_rsp_cnt), 945 accum_cck->sent_ba_rsp_cnt, 946 delta_cck->sent_ba_rsp_cnt, 947 max_cck->sent_ba_rsp_cnt); 948 pos += scnprintf(buf + pos, bufsz - pos, 949 fmt_table, "dsp_self_kill:", 950 le32_to_cpu(cck->dsp_self_kill), 951 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 952 max_cck->dsp_self_kill); 953 pos += scnprintf(buf + pos, bufsz - pos, 954 fmt_table, "mh_format_err:", 955 le32_to_cpu(cck->mh_format_err), 956 accum_cck->mh_format_err, delta_cck->mh_format_err, 957 max_cck->mh_format_err); 958 pos += scnprintf(buf + pos, bufsz - pos, 959 fmt_table, "re_acq_main_rssi_sum:", 960 le32_to_cpu(cck->re_acq_main_rssi_sum), 961 accum_cck->re_acq_main_rssi_sum, 962 delta_cck->re_acq_main_rssi_sum, 963 max_cck->re_acq_main_rssi_sum); 964 965 pos += scnprintf(buf + pos, bufsz - pos, 966 fmt_header, "Statistics_Rx - GENERAL:"); 967 pos += scnprintf(buf + pos, bufsz - pos, 968 fmt_table, "bogus_cts:", 969 le32_to_cpu(general->bogus_cts), 970 accum_general->bogus_cts, delta_general->bogus_cts, 971 max_general->bogus_cts); 972 pos += scnprintf(buf + pos, bufsz - pos, 973 fmt_table, "bogus_ack:", 974 le32_to_cpu(general->bogus_ack), 975 accum_general->bogus_ack, delta_general->bogus_ack, 976 max_general->bogus_ack); 977 pos += scnprintf(buf + pos, bufsz - pos, 978 fmt_table, "non_bssid_frames:", 979 le32_to_cpu(general->non_bssid_frames), 980 accum_general->non_bssid_frames, 981 delta_general->non_bssid_frames, 982 max_general->non_bssid_frames); 983 pos += scnprintf(buf + pos, bufsz - pos, 984 fmt_table, "filtered_frames:", 985 le32_to_cpu(general->filtered_frames), 986 accum_general->filtered_frames, 987 delta_general->filtered_frames, 988 max_general->filtered_frames); 989 pos += scnprintf(buf + pos, bufsz - pos, 990 fmt_table, "non_channel_beacons:", 991 le32_to_cpu(general->non_channel_beacons), 992 accum_general->non_channel_beacons, 993 delta_general->non_channel_beacons, 994 max_general->non_channel_beacons); 995 pos += scnprintf(buf + pos, bufsz - pos, 996 fmt_table, "channel_beacons:", 997 le32_to_cpu(general->channel_beacons), 998 accum_general->channel_beacons, 999 delta_general->channel_beacons, 1000 max_general->channel_beacons); 1001 pos += scnprintf(buf + pos, bufsz - pos, 1002 fmt_table, "num_missed_bcon:", 1003 le32_to_cpu(general->num_missed_bcon), 1004 accum_general->num_missed_bcon, 1005 delta_general->num_missed_bcon, 1006 max_general->num_missed_bcon); 1007 pos += scnprintf(buf + pos, bufsz - pos, 1008 fmt_table, "adc_rx_saturation_time:", 1009 le32_to_cpu(general->adc_rx_saturation_time), 1010 accum_general->adc_rx_saturation_time, 1011 delta_general->adc_rx_saturation_time, 1012 max_general->adc_rx_saturation_time); 1013 pos += scnprintf(buf + pos, bufsz - pos, 1014 fmt_table, "ina_detect_search_tm:", 1015 le32_to_cpu(general->ina_detection_search_time), 1016 accum_general->ina_detection_search_time, 1017 delta_general->ina_detection_search_time, 1018 max_general->ina_detection_search_time); 1019 pos += scnprintf(buf + pos, bufsz - pos, 1020 fmt_table, "beacon_silence_rssi_a:", 1021 le32_to_cpu(general->beacon_silence_rssi_a), 1022 accum_general->beacon_silence_rssi_a, 1023 delta_general->beacon_silence_rssi_a, 1024 max_general->beacon_silence_rssi_a); 1025 pos += scnprintf(buf + pos, bufsz - pos, 1026 fmt_table, "beacon_silence_rssi_b:", 1027 le32_to_cpu(general->beacon_silence_rssi_b), 1028 accum_general->beacon_silence_rssi_b, 1029 delta_general->beacon_silence_rssi_b, 1030 max_general->beacon_silence_rssi_b); 1031 pos += scnprintf(buf + pos, bufsz - pos, 1032 fmt_table, "beacon_silence_rssi_c:", 1033 le32_to_cpu(general->beacon_silence_rssi_c), 1034 accum_general->beacon_silence_rssi_c, 1035 delta_general->beacon_silence_rssi_c, 1036 max_general->beacon_silence_rssi_c); 1037 pos += scnprintf(buf + pos, bufsz - pos, 1038 fmt_table, "interference_data_flag:", 1039 le32_to_cpu(general->interference_data_flag), 1040 accum_general->interference_data_flag, 1041 delta_general->interference_data_flag, 1042 max_general->interference_data_flag); 1043 pos += scnprintf(buf + pos, bufsz - pos, 1044 fmt_table, "channel_load:", 1045 le32_to_cpu(general->channel_load), 1046 accum_general->channel_load, 1047 delta_general->channel_load, 1048 max_general->channel_load); 1049 pos += scnprintf(buf + pos, bufsz - pos, 1050 fmt_table, "dsp_false_alarms:", 1051 le32_to_cpu(general->dsp_false_alarms), 1052 accum_general->dsp_false_alarms, 1053 delta_general->dsp_false_alarms, 1054 max_general->dsp_false_alarms); 1055 pos += scnprintf(buf + pos, bufsz - pos, 1056 fmt_table, "beacon_rssi_a:", 1057 le32_to_cpu(general->beacon_rssi_a), 1058 accum_general->beacon_rssi_a, 1059 delta_general->beacon_rssi_a, 1060 max_general->beacon_rssi_a); 1061 pos += scnprintf(buf + pos, bufsz - pos, 1062 fmt_table, "beacon_rssi_b:", 1063 le32_to_cpu(general->beacon_rssi_b), 1064 accum_general->beacon_rssi_b, 1065 delta_general->beacon_rssi_b, 1066 max_general->beacon_rssi_b); 1067 pos += scnprintf(buf + pos, bufsz - pos, 1068 fmt_table, "beacon_rssi_c:", 1069 le32_to_cpu(general->beacon_rssi_c), 1070 accum_general->beacon_rssi_c, 1071 delta_general->beacon_rssi_c, 1072 max_general->beacon_rssi_c); 1073 pos += scnprintf(buf + pos, bufsz - pos, 1074 fmt_table, "beacon_energy_a:", 1075 le32_to_cpu(general->beacon_energy_a), 1076 accum_general->beacon_energy_a, 1077 delta_general->beacon_energy_a, 1078 max_general->beacon_energy_a); 1079 pos += scnprintf(buf + pos, bufsz - pos, 1080 fmt_table, "beacon_energy_b:", 1081 le32_to_cpu(general->beacon_energy_b), 1082 accum_general->beacon_energy_b, 1083 delta_general->beacon_energy_b, 1084 max_general->beacon_energy_b); 1085 pos += scnprintf(buf + pos, bufsz - pos, 1086 fmt_table, "beacon_energy_c:", 1087 le32_to_cpu(general->beacon_energy_c), 1088 accum_general->beacon_energy_c, 1089 delta_general->beacon_energy_c, 1090 max_general->beacon_energy_c); 1091 1092 pos += scnprintf(buf + pos, bufsz - pos, 1093 fmt_header, "Statistics_Rx - OFDM_HT:"); 1094 pos += scnprintf(buf + pos, bufsz - pos, 1095 fmt_table, "plcp_err:", 1096 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1097 delta_ht->plcp_err, max_ht->plcp_err); 1098 pos += scnprintf(buf + pos, bufsz - pos, 1099 fmt_table, "overrun_err:", 1100 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1101 delta_ht->overrun_err, max_ht->overrun_err); 1102 pos += scnprintf(buf + pos, bufsz - pos, 1103 fmt_table, "early_overrun_err:", 1104 le32_to_cpu(ht->early_overrun_err), 1105 accum_ht->early_overrun_err, 1106 delta_ht->early_overrun_err, 1107 max_ht->early_overrun_err); 1108 pos += scnprintf(buf + pos, bufsz - pos, 1109 fmt_table, "crc32_good:", 1110 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1111 delta_ht->crc32_good, max_ht->crc32_good); 1112 pos += scnprintf(buf + pos, bufsz - pos, 1113 fmt_table, "crc32_err:", 1114 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1115 delta_ht->crc32_err, max_ht->crc32_err); 1116 pos += scnprintf(buf + pos, bufsz - pos, 1117 fmt_table, "mh_format_err:", 1118 le32_to_cpu(ht->mh_format_err), 1119 accum_ht->mh_format_err, 1120 delta_ht->mh_format_err, max_ht->mh_format_err); 1121 pos += scnprintf(buf + pos, bufsz - pos, 1122 fmt_table, "agg_crc32_good:", 1123 le32_to_cpu(ht->agg_crc32_good), 1124 accum_ht->agg_crc32_good, 1125 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1126 pos += scnprintf(buf + pos, bufsz - pos, 1127 fmt_table, "agg_mpdu_cnt:", 1128 le32_to_cpu(ht->agg_mpdu_cnt), 1129 accum_ht->agg_mpdu_cnt, 1130 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1131 pos += scnprintf(buf + pos, bufsz - pos, 1132 fmt_table, "agg_cnt:", 1133 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1134 delta_ht->agg_cnt, max_ht->agg_cnt); 1135 pos += scnprintf(buf + pos, bufsz - pos, 1136 fmt_table, "unsupport_mcs:", 1137 le32_to_cpu(ht->unsupport_mcs), 1138 accum_ht->unsupport_mcs, 1139 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1140 1141 spin_unlock_bh(&priv->statistics.lock); 1142 1143 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1144 kfree(buf); 1145 return ret; 1146} 1147 1148static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1149 char __user *user_buf, 1150 size_t count, loff_t *ppos) 1151{ 1152 struct iwl_priv *priv = file->private_data; 1153 int pos = 0; 1154 char *buf; 1155 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1156 ssize_t ret; 1157 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1158 1159 if (!iwl_is_alive(priv)) 1160 return -EAGAIN; 1161 1162 buf = kzalloc(bufsz, GFP_KERNEL); 1163 if (!buf) 1164 return -ENOMEM; 1165 1166 /* the statistic information display here is based on 1167 * the last statistics notification from uCode 1168 * might not reflect the current uCode activity 1169 */ 1170 spin_lock_bh(&priv->statistics.lock); 1171 1172 tx = &priv->statistics.tx; 1173 accum_tx = &priv->accum_stats.tx; 1174 delta_tx = &priv->delta_stats.tx; 1175 max_tx = &priv->max_delta_stats.tx; 1176 1177 pos += iwl_statistics_flag(priv, buf, bufsz); 1178 pos += scnprintf(buf + pos, bufsz - pos, 1179 fmt_header, "Statistics_Tx:"); 1180 pos += scnprintf(buf + pos, bufsz - pos, 1181 fmt_table, "preamble:", 1182 le32_to_cpu(tx->preamble_cnt), 1183 accum_tx->preamble_cnt, 1184 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1185 pos += scnprintf(buf + pos, bufsz - pos, 1186 fmt_table, "rx_detected_cnt:", 1187 le32_to_cpu(tx->rx_detected_cnt), 1188 accum_tx->rx_detected_cnt, 1189 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1190 pos += scnprintf(buf + pos, bufsz - pos, 1191 fmt_table, "bt_prio_defer_cnt:", 1192 le32_to_cpu(tx->bt_prio_defer_cnt), 1193 accum_tx->bt_prio_defer_cnt, 1194 delta_tx->bt_prio_defer_cnt, 1195 max_tx->bt_prio_defer_cnt); 1196 pos += scnprintf(buf + pos, bufsz - pos, 1197 fmt_table, "bt_prio_kill_cnt:", 1198 le32_to_cpu(tx->bt_prio_kill_cnt), 1199 accum_tx->bt_prio_kill_cnt, 1200 delta_tx->bt_prio_kill_cnt, 1201 max_tx->bt_prio_kill_cnt); 1202 pos += scnprintf(buf + pos, bufsz - pos, 1203 fmt_table, "few_bytes_cnt:", 1204 le32_to_cpu(tx->few_bytes_cnt), 1205 accum_tx->few_bytes_cnt, 1206 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1207 pos += scnprintf(buf + pos, bufsz - pos, 1208 fmt_table, "cts_timeout:", 1209 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1210 delta_tx->cts_timeout, max_tx->cts_timeout); 1211 pos += scnprintf(buf + pos, bufsz - pos, 1212 fmt_table, "ack_timeout:", 1213 le32_to_cpu(tx->ack_timeout), 1214 accum_tx->ack_timeout, 1215 delta_tx->ack_timeout, max_tx->ack_timeout); 1216 pos += scnprintf(buf + pos, bufsz - pos, 1217 fmt_table, "expected_ack_cnt:", 1218 le32_to_cpu(tx->expected_ack_cnt), 1219 accum_tx->expected_ack_cnt, 1220 delta_tx->expected_ack_cnt, 1221 max_tx->expected_ack_cnt); 1222 pos += scnprintf(buf + pos, bufsz - pos, 1223 fmt_table, "actual_ack_cnt:", 1224 le32_to_cpu(tx->actual_ack_cnt), 1225 accum_tx->actual_ack_cnt, 1226 delta_tx->actual_ack_cnt, 1227 max_tx->actual_ack_cnt); 1228 pos += scnprintf(buf + pos, bufsz - pos, 1229 fmt_table, "dump_msdu_cnt:", 1230 le32_to_cpu(tx->dump_msdu_cnt), 1231 accum_tx->dump_msdu_cnt, 1232 delta_tx->dump_msdu_cnt, 1233 max_tx->dump_msdu_cnt); 1234 pos += scnprintf(buf + pos, bufsz - pos, 1235 fmt_table, "abort_nxt_frame_mismatch:", 1236 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1237 accum_tx->burst_abort_next_frame_mismatch_cnt, 1238 delta_tx->burst_abort_next_frame_mismatch_cnt, 1239 max_tx->burst_abort_next_frame_mismatch_cnt); 1240 pos += scnprintf(buf + pos, bufsz - pos, 1241 fmt_table, "abort_missing_nxt_frame:", 1242 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1243 accum_tx->burst_abort_missing_next_frame_cnt, 1244 delta_tx->burst_abort_missing_next_frame_cnt, 1245 max_tx->burst_abort_missing_next_frame_cnt); 1246 pos += scnprintf(buf + pos, bufsz - pos, 1247 fmt_table, "cts_timeout_collision:", 1248 le32_to_cpu(tx->cts_timeout_collision), 1249 accum_tx->cts_timeout_collision, 1250 delta_tx->cts_timeout_collision, 1251 max_tx->cts_timeout_collision); 1252 pos += scnprintf(buf + pos, bufsz - pos, 1253 fmt_table, "ack_ba_timeout_collision:", 1254 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1255 accum_tx->ack_or_ba_timeout_collision, 1256 delta_tx->ack_or_ba_timeout_collision, 1257 max_tx->ack_or_ba_timeout_collision); 1258 pos += scnprintf(buf + pos, bufsz - pos, 1259 fmt_table, "agg ba_timeout:", 1260 le32_to_cpu(tx->agg.ba_timeout), 1261 accum_tx->agg.ba_timeout, 1262 delta_tx->agg.ba_timeout, 1263 max_tx->agg.ba_timeout); 1264 pos += scnprintf(buf + pos, bufsz - pos, 1265 fmt_table, "agg ba_resched_frames:", 1266 le32_to_cpu(tx->agg.ba_reschedule_frames), 1267 accum_tx->agg.ba_reschedule_frames, 1268 delta_tx->agg.ba_reschedule_frames, 1269 max_tx->agg.ba_reschedule_frames); 1270 pos += scnprintf(buf + pos, bufsz - pos, 1271 fmt_table, "agg scd_query_agg_frame:", 1272 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1273 accum_tx->agg.scd_query_agg_frame_cnt, 1274 delta_tx->agg.scd_query_agg_frame_cnt, 1275 max_tx->agg.scd_query_agg_frame_cnt); 1276 pos += scnprintf(buf + pos, bufsz - pos, 1277 fmt_table, "agg scd_query_no_agg:", 1278 le32_to_cpu(tx->agg.scd_query_no_agg), 1279 accum_tx->agg.scd_query_no_agg, 1280 delta_tx->agg.scd_query_no_agg, 1281 max_tx->agg.scd_query_no_agg); 1282 pos += scnprintf(buf + pos, bufsz - pos, 1283 fmt_table, "agg scd_query_agg:", 1284 le32_to_cpu(tx->agg.scd_query_agg), 1285 accum_tx->agg.scd_query_agg, 1286 delta_tx->agg.scd_query_agg, 1287 max_tx->agg.scd_query_agg); 1288 pos += scnprintf(buf + pos, bufsz - pos, 1289 fmt_table, "agg scd_query_mismatch:", 1290 le32_to_cpu(tx->agg.scd_query_mismatch), 1291 accum_tx->agg.scd_query_mismatch, 1292 delta_tx->agg.scd_query_mismatch, 1293 max_tx->agg.scd_query_mismatch); 1294 pos += scnprintf(buf + pos, bufsz - pos, 1295 fmt_table, "agg frame_not_ready:", 1296 le32_to_cpu(tx->agg.frame_not_ready), 1297 accum_tx->agg.frame_not_ready, 1298 delta_tx->agg.frame_not_ready, 1299 max_tx->agg.frame_not_ready); 1300 pos += scnprintf(buf + pos, bufsz - pos, 1301 fmt_table, "agg underrun:", 1302 le32_to_cpu(tx->agg.underrun), 1303 accum_tx->agg.underrun, 1304 delta_tx->agg.underrun, max_tx->agg.underrun); 1305 pos += scnprintf(buf + pos, bufsz - pos, 1306 fmt_table, "agg bt_prio_kill:", 1307 le32_to_cpu(tx->agg.bt_prio_kill), 1308 accum_tx->agg.bt_prio_kill, 1309 delta_tx->agg.bt_prio_kill, 1310 max_tx->agg.bt_prio_kill); 1311 pos += scnprintf(buf + pos, bufsz - pos, 1312 fmt_table, "agg rx_ba_rsp_cnt:", 1313 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1314 accum_tx->agg.rx_ba_rsp_cnt, 1315 delta_tx->agg.rx_ba_rsp_cnt, 1316 max_tx->agg.rx_ba_rsp_cnt); 1317 1318 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1319 pos += scnprintf(buf + pos, bufsz - pos, 1320 "tx power: (1/2 dB step)\n"); 1321 if ((priv->nvm_data->valid_tx_ant & ANT_A) && 1322 tx->tx_power.ant_a) 1323 pos += scnprintf(buf + pos, bufsz - pos, 1324 fmt_hex, "antenna A:", 1325 tx->tx_power.ant_a); 1326 if ((priv->nvm_data->valid_tx_ant & ANT_B) && 1327 tx->tx_power.ant_b) 1328 pos += scnprintf(buf + pos, bufsz - pos, 1329 fmt_hex, "antenna B:", 1330 tx->tx_power.ant_b); 1331 if ((priv->nvm_data->valid_tx_ant & ANT_C) && 1332 tx->tx_power.ant_c) 1333 pos += scnprintf(buf + pos, bufsz - pos, 1334 fmt_hex, "antenna C:", 1335 tx->tx_power.ant_c); 1336 } 1337 1338 spin_unlock_bh(&priv->statistics.lock); 1339 1340 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1341 kfree(buf); 1342 return ret; 1343} 1344 1345static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1346 char __user *user_buf, 1347 size_t count, loff_t *ppos) 1348{ 1349 struct iwl_priv *priv = file->private_data; 1350 int pos = 0; 1351 char *buf; 1352 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1353 ssize_t ret; 1354 struct statistics_general_common *general, *accum_general; 1355 struct statistics_general_common *delta_general, *max_general; 1356 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1357 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1358 1359 if (!iwl_is_alive(priv)) 1360 return -EAGAIN; 1361 1362 buf = kzalloc(bufsz, GFP_KERNEL); 1363 if (!buf) 1364 return -ENOMEM; 1365 1366 /* the statistic information display here is based on 1367 * the last statistics notification from uCode 1368 * might not reflect the current uCode activity 1369 */ 1370 1371 spin_lock_bh(&priv->statistics.lock); 1372 1373 general = &priv->statistics.common; 1374 dbg = &priv->statistics.common.dbg; 1375 div = &priv->statistics.common.div; 1376 accum_general = &priv->accum_stats.common; 1377 accum_dbg = &priv->accum_stats.common.dbg; 1378 accum_div = &priv->accum_stats.common.div; 1379 delta_general = &priv->delta_stats.common; 1380 max_general = &priv->max_delta_stats.common; 1381 delta_dbg = &priv->delta_stats.common.dbg; 1382 max_dbg = &priv->max_delta_stats.common.dbg; 1383 delta_div = &priv->delta_stats.common.div; 1384 max_div = &priv->max_delta_stats.common.div; 1385 1386 pos += iwl_statistics_flag(priv, buf, bufsz); 1387 pos += scnprintf(buf + pos, bufsz - pos, 1388 fmt_header, "Statistics_General:"); 1389 pos += scnprintf(buf + pos, bufsz - pos, 1390 fmt_value, "temperature:", 1391 le32_to_cpu(general->temperature)); 1392 pos += scnprintf(buf + pos, bufsz - pos, 1393 fmt_value, "temperature_m:", 1394 le32_to_cpu(general->temperature_m)); 1395 pos += scnprintf(buf + pos, bufsz - pos, 1396 fmt_value, "ttl_timestamp:", 1397 le32_to_cpu(general->ttl_timestamp)); 1398 pos += scnprintf(buf + pos, bufsz - pos, 1399 fmt_table, "burst_check:", 1400 le32_to_cpu(dbg->burst_check), 1401 accum_dbg->burst_check, 1402 delta_dbg->burst_check, max_dbg->burst_check); 1403 pos += scnprintf(buf + pos, bufsz - pos, 1404 fmt_table, "burst_count:", 1405 le32_to_cpu(dbg->burst_count), 1406 accum_dbg->burst_count, 1407 delta_dbg->burst_count, max_dbg->burst_count); 1408 pos += scnprintf(buf + pos, bufsz - pos, 1409 fmt_table, "wait_for_silence_timeout_count:", 1410 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1411 accum_dbg->wait_for_silence_timeout_cnt, 1412 delta_dbg->wait_for_silence_timeout_cnt, 1413 max_dbg->wait_for_silence_timeout_cnt); 1414 pos += scnprintf(buf + pos, bufsz - pos, 1415 fmt_table, "sleep_time:", 1416 le32_to_cpu(general->sleep_time), 1417 accum_general->sleep_time, 1418 delta_general->sleep_time, max_general->sleep_time); 1419 pos += scnprintf(buf + pos, bufsz - pos, 1420 fmt_table, "slots_out:", 1421 le32_to_cpu(general->slots_out), 1422 accum_general->slots_out, 1423 delta_general->slots_out, max_general->slots_out); 1424 pos += scnprintf(buf + pos, bufsz - pos, 1425 fmt_table, "slots_idle:", 1426 le32_to_cpu(general->slots_idle), 1427 accum_general->slots_idle, 1428 delta_general->slots_idle, max_general->slots_idle); 1429 pos += scnprintf(buf + pos, bufsz - pos, 1430 fmt_table, "tx_on_a:", 1431 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1432 delta_div->tx_on_a, max_div->tx_on_a); 1433 pos += scnprintf(buf + pos, bufsz - pos, 1434 fmt_table, "tx_on_b:", 1435 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1436 delta_div->tx_on_b, max_div->tx_on_b); 1437 pos += scnprintf(buf + pos, bufsz - pos, 1438 fmt_table, "exec_time:", 1439 le32_to_cpu(div->exec_time), accum_div->exec_time, 1440 delta_div->exec_time, max_div->exec_time); 1441 pos += scnprintf(buf + pos, bufsz - pos, 1442 fmt_table, "probe_time:", 1443 le32_to_cpu(div->probe_time), accum_div->probe_time, 1444 delta_div->probe_time, max_div->probe_time); 1445 pos += scnprintf(buf + pos, bufsz - pos, 1446 fmt_table, "rx_enable_counter:", 1447 le32_to_cpu(general->rx_enable_counter), 1448 accum_general->rx_enable_counter, 1449 delta_general->rx_enable_counter, 1450 max_general->rx_enable_counter); 1451 pos += scnprintf(buf + pos, bufsz - pos, 1452 fmt_table, "num_of_sos_states:", 1453 le32_to_cpu(general->num_of_sos_states), 1454 accum_general->num_of_sos_states, 1455 delta_general->num_of_sos_states, 1456 max_general->num_of_sos_states); 1457 1458 spin_unlock_bh(&priv->statistics.lock); 1459 1460 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1461 kfree(buf); 1462 return ret; 1463} 1464 1465static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1466 char __user *user_buf, 1467 size_t count, loff_t *ppos) 1468{ 1469 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1470 int pos = 0; 1471 char *buf; 1472 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1473 ssize_t ret; 1474 struct statistics_bt_activity *bt, *accum_bt; 1475 1476 if (!iwl_is_alive(priv)) 1477 return -EAGAIN; 1478 1479 if (!priv->bt_enable_flag) 1480 return -EINVAL; 1481 1482 /* make request to uCode to retrieve statistics information */ 1483 mutex_lock(&priv->mutex); 1484 ret = iwl_send_statistics_request(priv, 0, false); 1485 mutex_unlock(&priv->mutex); 1486 1487 if (ret) 1488 return -EAGAIN; 1489 buf = kzalloc(bufsz, GFP_KERNEL); 1490 if (!buf) 1491 return -ENOMEM; 1492 1493 /* 1494 * the statistic information display here is based on 1495 * the last statistics notification from uCode 1496 * might not reflect the current uCode activity 1497 */ 1498 1499 spin_lock_bh(&priv->statistics.lock); 1500 1501 bt = &priv->statistics.bt_activity; 1502 accum_bt = &priv->accum_stats.bt_activity; 1503 1504 pos += iwl_statistics_flag(priv, buf, bufsz); 1505 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1506 pos += scnprintf(buf + pos, bufsz - pos, 1507 "\t\t\tcurrent\t\t\taccumulative\n"); 1508 pos += scnprintf(buf + pos, bufsz - pos, 1509 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1510 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1511 accum_bt->hi_priority_tx_req_cnt); 1512 pos += scnprintf(buf + pos, bufsz - pos, 1513 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1514 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1515 accum_bt->hi_priority_tx_denied_cnt); 1516 pos += scnprintf(buf + pos, bufsz - pos, 1517 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1518 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1519 accum_bt->lo_priority_tx_req_cnt); 1520 pos += scnprintf(buf + pos, bufsz - pos, 1521 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1522 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1523 accum_bt->lo_priority_tx_denied_cnt); 1524 pos += scnprintf(buf + pos, bufsz - pos, 1525 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1526 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1527 accum_bt->hi_priority_rx_req_cnt); 1528 pos += scnprintf(buf + pos, bufsz - pos, 1529 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1530 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1531 accum_bt->hi_priority_rx_denied_cnt); 1532 pos += scnprintf(buf + pos, bufsz - pos, 1533 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1534 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1535 accum_bt->lo_priority_rx_req_cnt); 1536 pos += scnprintf(buf + pos, bufsz - pos, 1537 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1538 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1539 accum_bt->lo_priority_rx_denied_cnt); 1540 1541 pos += scnprintf(buf + pos, bufsz - pos, 1542 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1543 le32_to_cpu(priv->statistics.num_bt_kills), 1544 priv->statistics.accum_num_bt_kills); 1545 1546 spin_unlock_bh(&priv->statistics.lock); 1547 1548 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1549 kfree(buf); 1550 return ret; 1551} 1552 1553static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1554 char __user *user_buf, 1555 size_t count, loff_t *ppos) 1556{ 1557 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1558 int pos = 0; 1559 char *buf; 1560 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1561 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1562 ssize_t ret; 1563 1564 if (!iwl_is_alive(priv)) 1565 return -EAGAIN; 1566 1567 buf = kzalloc(bufsz, GFP_KERNEL); 1568 if (!buf) 1569 return -ENOMEM; 1570 1571 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1572 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1573 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1574 priv->reply_tx_stats.pp_delay); 1575 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1576 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1577 priv->reply_tx_stats.pp_few_bytes); 1578 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1579 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1580 priv->reply_tx_stats.pp_bt_prio); 1581 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1582 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1583 priv->reply_tx_stats.pp_quiet_period); 1584 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1585 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1586 priv->reply_tx_stats.pp_calc_ttak); 1587 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1588 iwl_get_tx_fail_reason( 1589 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1590 priv->reply_tx_stats.int_crossed_retry); 1591 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1592 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1593 priv->reply_tx_stats.short_limit); 1594 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1595 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1596 priv->reply_tx_stats.long_limit); 1597 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1598 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1599 priv->reply_tx_stats.fifo_underrun); 1600 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1601 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1602 priv->reply_tx_stats.drain_flow); 1603 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1604 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1605 priv->reply_tx_stats.rfkill_flush); 1606 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1607 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1608 priv->reply_tx_stats.life_expire); 1609 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1610 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1611 priv->reply_tx_stats.dest_ps); 1612 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1613 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1614 priv->reply_tx_stats.host_abort); 1615 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1616 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1617 priv->reply_tx_stats.pp_delay); 1618 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1619 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1620 priv->reply_tx_stats.sta_invalid); 1621 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1622 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1623 priv->reply_tx_stats.frag_drop); 1624 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1625 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1626 priv->reply_tx_stats.tid_disable); 1627 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1628 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1629 priv->reply_tx_stats.fifo_flush); 1630 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1631 iwl_get_tx_fail_reason( 1632 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1633 priv->reply_tx_stats.insuff_cf_poll); 1634 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1635 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1636 priv->reply_tx_stats.fail_hw_drop); 1637 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1638 iwl_get_tx_fail_reason( 1639 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1640 priv->reply_tx_stats.sta_color_mismatch); 1641 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1642 priv->reply_tx_stats.unknown); 1643 1644 pos += scnprintf(buf + pos, bufsz - pos, 1645 "\nStatistics_Agg_TX_Error:\n"); 1646 1647 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1648 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1649 priv->reply_agg_tx_stats.underrun); 1650 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1651 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1652 priv->reply_agg_tx_stats.bt_prio); 1653 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1654 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1655 priv->reply_agg_tx_stats.few_bytes); 1656 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1657 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1658 priv->reply_agg_tx_stats.abort); 1659 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1660 iwl_get_agg_tx_fail_reason( 1661 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1662 priv->reply_agg_tx_stats.last_sent_ttl); 1663 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1664 iwl_get_agg_tx_fail_reason( 1665 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1666 priv->reply_agg_tx_stats.last_sent_try); 1667 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1668 iwl_get_agg_tx_fail_reason( 1669 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1670 priv->reply_agg_tx_stats.last_sent_bt_kill); 1671 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1672 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1673 priv->reply_agg_tx_stats.scd_query); 1674 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1675 iwl_get_agg_tx_fail_reason( 1676 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1677 priv->reply_agg_tx_stats.bad_crc32); 1678 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1679 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1680 priv->reply_agg_tx_stats.response); 1681 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1682 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1683 priv->reply_agg_tx_stats.dump_tx); 1684 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1685 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1686 priv->reply_agg_tx_stats.delay_tx); 1687 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1688 priv->reply_agg_tx_stats.unknown); 1689 1690 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1691 kfree(buf); 1692 return ret; 1693} 1694 1695static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1696 char __user *user_buf, 1697 size_t count, loff_t *ppos) { 1698 1699 struct iwl_priv *priv = file->private_data; 1700 int pos = 0; 1701 int cnt = 0; 1702 char *buf; 1703 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1704 ssize_t ret; 1705 struct iwl_sensitivity_data *data; 1706 1707 data = &priv->sensitivity_data; 1708 buf = kzalloc(bufsz, GFP_KERNEL); 1709 if (!buf) 1710 return -ENOMEM; 1711 1712 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1713 data->auto_corr_ofdm); 1714 pos += scnprintf(buf + pos, bufsz - pos, 1715 "auto_corr_ofdm_mrc:\t\t %u\n", 1716 data->auto_corr_ofdm_mrc); 1717 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1718 data->auto_corr_ofdm_x1); 1719 pos += scnprintf(buf + pos, bufsz - pos, 1720 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1721 data->auto_corr_ofdm_mrc_x1); 1722 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1723 data->auto_corr_cck); 1724 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1725 data->auto_corr_cck_mrc); 1726 pos += scnprintf(buf + pos, bufsz - pos, 1727 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1728 data->last_bad_plcp_cnt_ofdm); 1729 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1730 data->last_fa_cnt_ofdm); 1731 pos += scnprintf(buf + pos, bufsz - pos, 1732 "last_bad_plcp_cnt_cck:\t\t %u\n", 1733 data->last_bad_plcp_cnt_cck); 1734 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1735 data->last_fa_cnt_cck); 1736 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1737 data->nrg_curr_state); 1738 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1739 data->nrg_prev_state); 1740 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1741 for (cnt = 0; cnt < 10; cnt++) { 1742 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1743 data->nrg_value[cnt]); 1744 } 1745 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1746 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1747 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1748 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1749 data->nrg_silence_rssi[cnt]); 1750 } 1751 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1752 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1753 data->nrg_silence_ref); 1754 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1755 data->nrg_energy_idx); 1756 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1757 data->nrg_silence_idx); 1758 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1759 data->nrg_th_cck); 1760 pos += scnprintf(buf + pos, bufsz - pos, 1761 "nrg_auto_corr_silence_diff:\t %u\n", 1762 data->nrg_auto_corr_silence_diff); 1763 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1764 data->num_in_cck_no_fa); 1765 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1766 data->nrg_th_ofdm); 1767 1768 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1769 kfree(buf); 1770 return ret; 1771} 1772 1773 1774static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1775 char __user *user_buf, 1776 size_t count, loff_t *ppos) { 1777 1778 struct iwl_priv *priv = file->private_data; 1779 int pos = 0; 1780 int cnt = 0; 1781 char *buf; 1782 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1783 ssize_t ret; 1784 struct iwl_chain_noise_data *data; 1785 1786 data = &priv->chain_noise_data; 1787 buf = kzalloc(bufsz, GFP_KERNEL); 1788 if (!buf) 1789 return -ENOMEM; 1790 1791 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1792 data->active_chains); 1793 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1794 data->chain_noise_a); 1795 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1796 data->chain_noise_b); 1797 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1798 data->chain_noise_c); 1799 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1800 data->chain_signal_a); 1801 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1802 data->chain_signal_b); 1803 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1804 data->chain_signal_c); 1805 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1806 data->beacon_count); 1807 1808 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1809 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1810 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1811 data->disconn_array[cnt]); 1812 } 1813 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1814 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1815 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1816 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1817 data->delta_gain_code[cnt]); 1818 } 1819 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1820 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1821 data->radio_write); 1822 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1823 data->state); 1824 1825 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1826 kfree(buf); 1827 return ret; 1828} 1829 1830static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1831 char __user *user_buf, 1832 size_t count, loff_t *ppos) 1833{ 1834 struct iwl_priv *priv = file->private_data; 1835 char buf[60]; 1836 int pos = 0; 1837 const size_t bufsz = sizeof(buf); 1838 u32 pwrsave_status; 1839 1840 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) & 1841 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1842 1843 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1844 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1845 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1846 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1847 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1848 "error"); 1849 1850 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1851} 1852 1853static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1854 const char __user *user_buf, 1855 size_t count, loff_t *ppos) 1856{ 1857 struct iwl_priv *priv = file->private_data; 1858 char buf[8]; 1859 int buf_size; 1860 int clear; 1861 1862 memset(buf, 0, sizeof(buf)); 1863 buf_size = min(count, sizeof(buf) - 1); 1864 if (copy_from_user(buf, user_buf, buf_size)) 1865 return -EFAULT; 1866 if (sscanf(buf, "%d", &clear) != 1) 1867 return -EFAULT; 1868 1869 /* make request to uCode to retrieve statistics information */ 1870 mutex_lock(&priv->mutex); 1871 iwl_send_statistics_request(priv, 0, true); 1872 mutex_unlock(&priv->mutex); 1873 1874 return count; 1875} 1876 1877static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 1878 char __user *user_buf, 1879 size_t count, loff_t *ppos) { 1880 1881 struct iwl_priv *priv = file->private_data; 1882 int pos = 0; 1883 char buf[128]; 1884 const size_t bufsz = sizeof(buf); 1885 1886 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 1887 priv->event_log.ucode_trace ? "On" : "Off"); 1888 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 1889 priv->event_log.non_wraps_count); 1890 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 1891 priv->event_log.wraps_once_count); 1892 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 1893 priv->event_log.wraps_more_count); 1894 1895 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1896} 1897 1898static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 1899 const char __user *user_buf, 1900 size_t count, loff_t *ppos) 1901{ 1902 struct iwl_priv *priv = file->private_data; 1903 char buf[8]; 1904 int buf_size; 1905 int trace; 1906 1907 memset(buf, 0, sizeof(buf)); 1908 buf_size = min(count, sizeof(buf) - 1); 1909 if (copy_from_user(buf, user_buf, buf_size)) 1910 return -EFAULT; 1911 if (sscanf(buf, "%d", &trace) != 1) 1912 return -EFAULT; 1913 1914 if (trace) { 1915 priv->event_log.ucode_trace = true; 1916 if (iwl_is_alive(priv)) { 1917 /* start collecting data now */ 1918 mod_timer(&priv->ucode_trace, jiffies); 1919 } 1920 } else { 1921 priv->event_log.ucode_trace = false; 1922 del_timer_sync(&priv->ucode_trace); 1923 } 1924 1925 return count; 1926} 1927 1928static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 1929 char __user *user_buf, 1930 size_t count, loff_t *ppos) { 1931 1932 struct iwl_priv *priv = file->private_data; 1933 int len = 0; 1934 char buf[20]; 1935 1936 len = sprintf(buf, "0x%04X\n", 1937 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 1938 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1939} 1940 1941static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 1942 char __user *user_buf, 1943 size_t count, loff_t *ppos) { 1944 1945 struct iwl_priv *priv = file->private_data; 1946 int len = 0; 1947 char buf[20]; 1948 1949 len = sprintf(buf, "0x%04X\n", 1950 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 1951 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1952} 1953 1954static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 1955 char __user *user_buf, 1956 size_t count, loff_t *ppos) { 1957 1958 struct iwl_priv *priv = file->private_data; 1959 int pos = 0; 1960 char buf[12]; 1961 const size_t bufsz = sizeof(buf); 1962 1963 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 1964 priv->missed_beacon_threshold); 1965 1966 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1967} 1968 1969static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 1970 const char __user *user_buf, 1971 size_t count, loff_t *ppos) 1972{ 1973 struct iwl_priv *priv = file->private_data; 1974 char buf[8]; 1975 int buf_size; 1976 int missed; 1977 1978 memset(buf, 0, sizeof(buf)); 1979 buf_size = min(count, sizeof(buf) - 1); 1980 if (copy_from_user(buf, user_buf, buf_size)) 1981 return -EFAULT; 1982 if (sscanf(buf, "%d", &missed) != 1) 1983 return -EINVAL; 1984 1985 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 1986 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 1987 priv->missed_beacon_threshold = 1988 IWL_MISSED_BEACON_THRESHOLD_DEF; 1989 else 1990 priv->missed_beacon_threshold = missed; 1991 1992 return count; 1993} 1994 1995static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 1996 char __user *user_buf, 1997 size_t count, loff_t *ppos) { 1998 1999 struct iwl_priv *priv = file->private_data; 2000 int pos = 0; 2001 char buf[12]; 2002 const size_t bufsz = sizeof(buf); 2003 2004 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2005 priv->plcp_delta_threshold); 2006 2007 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2008} 2009 2010static ssize_t iwl_dbgfs_plcp_delta_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 char buf[8]; 2016 int buf_size; 2017 int plcp; 2018 2019 memset(buf, 0, sizeof(buf)); 2020 buf_size = min(count, sizeof(buf) - 1); 2021 if (copy_from_user(buf, user_buf, buf_size)) 2022 return -EFAULT; 2023 if (sscanf(buf, "%d", &plcp) != 1) 2024 return -EINVAL; 2025 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2026 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2027 priv->plcp_delta_threshold = 2028 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 2029 else 2030 priv->plcp_delta_threshold = plcp; 2031 return count; 2032} 2033 2034static ssize_t iwl_dbgfs_rf_reset_read(struct file *file, 2035 char __user *user_buf, 2036 size_t count, loff_t *ppos) 2037{ 2038 struct iwl_priv *priv = file->private_data; 2039 int pos = 0; 2040 char buf[300]; 2041 const size_t bufsz = sizeof(buf); 2042 struct iwl_rf_reset *rf_reset = &priv->rf_reset; 2043 2044 pos += scnprintf(buf + pos, bufsz - pos, 2045 "RF reset statistics\n"); 2046 pos += scnprintf(buf + pos, bufsz - pos, 2047 "\tnumber of reset request: %d\n", 2048 rf_reset->reset_request_count); 2049 pos += scnprintf(buf + pos, bufsz - pos, 2050 "\tnumber of reset request success: %d\n", 2051 rf_reset->reset_success_count); 2052 pos += scnprintf(buf + pos, bufsz - pos, 2053 "\tnumber of reset request reject: %d\n", 2054 rf_reset->reset_reject_count); 2055 2056 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2057} 2058 2059static ssize_t iwl_dbgfs_rf_reset_write(struct file *file, 2060 const char __user *user_buf, 2061 size_t count, loff_t *ppos) { 2062 2063 struct iwl_priv *priv = file->private_data; 2064 int ret; 2065 2066 ret = iwl_force_rf_reset(priv, true); 2067 return ret ? ret : count; 2068} 2069 2070static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2071 const char __user *user_buf, 2072 size_t count, loff_t *ppos) { 2073 2074 struct iwl_priv *priv = file->private_data; 2075 char buf[8]; 2076 int buf_size; 2077 int flush; 2078 2079 memset(buf, 0, sizeof(buf)); 2080 buf_size = min(count, sizeof(buf) - 1); 2081 if (copy_from_user(buf, user_buf, buf_size)) 2082 return -EFAULT; 2083 if (sscanf(buf, "%d", &flush) != 1) 2084 return -EINVAL; 2085 2086 if (iwl_is_rfkill(priv)) 2087 return -EFAULT; 2088 2089 iwlagn_dev_txfifo_flush(priv); 2090 2091 return count; 2092} 2093 2094static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2095 char __user *user_buf, 2096 size_t count, loff_t *ppos) { 2097 2098 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2099 int pos = 0; 2100 char buf[200]; 2101 const size_t bufsz = sizeof(buf); 2102 2103 if (!priv->bt_enable_flag) { 2104 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2105 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2106 } 2107 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2108 priv->bt_enable_flag); 2109 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2110 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2111 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2112 "last traffic notif: %d\n", 2113 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2114 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2115 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2116 priv->bt_ch_announce, priv->kill_ack_mask, 2117 priv->kill_cts_mask); 2118 2119 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2120 switch (priv->bt_traffic_load) { 2121 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2122 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2123 break; 2124 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2125 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2126 break; 2127 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2128 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2129 break; 2130 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2131 default: 2132 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2133 break; 2134 } 2135 2136 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2137} 2138 2139static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2140 char __user *user_buf, 2141 size_t count, loff_t *ppos) 2142{ 2143 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2144 2145 int pos = 0; 2146 char buf[40]; 2147 const size_t bufsz = sizeof(buf); 2148 2149 if (priv->cfg->ht_params) 2150 pos += scnprintf(buf + pos, bufsz - pos, 2151 "use %s for aggregation\n", 2152 (priv->hw_params.use_rts_for_aggregation) ? 2153 "rts/cts" : "cts-to-self"); 2154 else 2155 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2156 2157 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2158} 2159 2160static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2161 const char __user *user_buf, 2162 size_t count, loff_t *ppos) { 2163 2164 struct iwl_priv *priv = file->private_data; 2165 char buf[8]; 2166 int buf_size; 2167 int rts; 2168 2169 if (!priv->cfg->ht_params) 2170 return -EINVAL; 2171 2172 memset(buf, 0, sizeof(buf)); 2173 buf_size = min(count, sizeof(buf) - 1); 2174 if (copy_from_user(buf, user_buf, buf_size)) 2175 return -EFAULT; 2176 if (sscanf(buf, "%d", &rts) != 1) 2177 return -EINVAL; 2178 if (rts) 2179 priv->hw_params.use_rts_for_aggregation = true; 2180 else 2181 priv->hw_params.use_rts_for_aggregation = false; 2182 return count; 2183} 2184 2185static int iwl_cmd_echo_test(struct iwl_priv *priv) 2186{ 2187 int ret; 2188 struct iwl_host_cmd cmd = { 2189 .id = REPLY_ECHO, 2190 .len = { 0 }, 2191 }; 2192 2193 ret = iwl_dvm_send_cmd(priv, &cmd); 2194 if (ret) 2195 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); 2196 else 2197 IWL_DEBUG_INFO(priv, "echo testing pass\n"); 2198 return ret; 2199} 2200 2201static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2202 const char __user *user_buf, 2203 size_t count, loff_t *ppos) 2204{ 2205 struct iwl_priv *priv = file->private_data; 2206 char buf[8]; 2207 int buf_size; 2208 2209 memset(buf, 0, sizeof(buf)); 2210 buf_size = min(count, sizeof(buf) - 1); 2211 if (copy_from_user(buf, user_buf, buf_size)) 2212 return -EFAULT; 2213 2214 iwl_cmd_echo_test(priv); 2215 return count; 2216} 2217 2218#ifdef CONFIG_IWLWIFI_DEBUG 2219static ssize_t iwl_dbgfs_log_event_read(struct file *file, 2220 char __user *user_buf, 2221 size_t count, loff_t *ppos) 2222{ 2223 struct iwl_priv *priv = file->private_data; 2224 char *buf = NULL; 2225 ssize_t ret; 2226 2227 ret = iwl_dump_nic_event_log(priv, true, &buf); 2228 if (ret > 0) 2229 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); 2230 kfree(buf); 2231 return ret; 2232} 2233 2234static ssize_t iwl_dbgfs_log_event_write(struct file *file, 2235 const char __user *user_buf, 2236 size_t count, loff_t *ppos) 2237{ 2238 struct iwl_priv *priv = file->private_data; 2239 u32 event_log_flag; 2240 char buf[8]; 2241 int buf_size; 2242 2243 /* check that the interface is up */ 2244 if (!iwl_is_ready(priv)) 2245 return -EAGAIN; 2246 2247 memset(buf, 0, sizeof(buf)); 2248 buf_size = min(count, sizeof(buf) - 1); 2249 if (copy_from_user(buf, user_buf, buf_size)) 2250 return -EFAULT; 2251 if (sscanf(buf, "%d", &event_log_flag) != 1) 2252 return -EFAULT; 2253 if (event_log_flag == 1) 2254 iwl_dump_nic_event_log(priv, true, NULL); 2255 2256 return count; 2257} 2258#endif 2259 2260static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file, 2261 char __user *user_buf, 2262 size_t count, loff_t *ppos) 2263{ 2264 struct iwl_priv *priv = file->private_data; 2265 char buf[120]; 2266 int pos = 0; 2267 const size_t bufsz = sizeof(buf); 2268 2269 pos += scnprintf(buf + pos, bufsz - pos, 2270 "Sensitivity calibrations %s\n", 2271 (priv->calib_disabled & 2272 IWL_SENSITIVITY_CALIB_DISABLED) ? 2273 "DISABLED" : "ENABLED"); 2274 pos += scnprintf(buf + pos, bufsz - pos, 2275 "Chain noise calibrations %s\n", 2276 (priv->calib_disabled & 2277 IWL_CHAIN_NOISE_CALIB_DISABLED) ? 2278 "DISABLED" : "ENABLED"); 2279 pos += scnprintf(buf + pos, bufsz - pos, 2280 "Tx power calibrations %s\n", 2281 (priv->calib_disabled & 2282 IWL_TX_POWER_CALIB_DISABLED) ? 2283 "DISABLED" : "ENABLED"); 2284 2285 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2286} 2287 2288static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, 2289 const char __user *user_buf, 2290 size_t count, loff_t *ppos) 2291{ 2292 struct iwl_priv *priv = file->private_data; 2293 char buf[8]; 2294 u32 calib_disabled; 2295 int buf_size; 2296 2297 memset(buf, 0, sizeof(buf)); 2298 buf_size = min(count, sizeof(buf) - 1); 2299 if (copy_from_user(buf, user_buf, buf_size)) 2300 return -EFAULT; 2301 if (sscanf(buf, "%x", &calib_disabled) != 1) 2302 return -EFAULT; 2303 2304 priv->calib_disabled = calib_disabled; 2305 2306 return count; 2307} 2308 2309static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, 2310 const char __user *user_buf, 2311 size_t count, loff_t *ppos) 2312{ 2313 struct iwl_priv *priv = file->private_data; 2314 bool restart_fw = iwlwifi_mod_params.restart_fw; 2315 int ret; 2316 2317 iwlwifi_mod_params.restart_fw = true; 2318 2319 mutex_lock(&priv->mutex); 2320 2321 /* take the return value to make compiler happy - it will fail anyway */ 2322 ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, 0, 0, NULL); 2323 2324 mutex_unlock(&priv->mutex); 2325 2326 iwlwifi_mod_params.restart_fw = restart_fw; 2327 2328 return count; 2329} 2330 2331DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2332DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2333DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2334DEBUGFS_READ_FILE_OPS(sensitivity); 2335DEBUGFS_READ_FILE_OPS(chain_noise); 2336DEBUGFS_READ_FILE_OPS(power_save_status); 2337DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2338DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2339DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2340DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2341DEBUGFS_READ_WRITE_FILE_OPS(rf_reset); 2342DEBUGFS_READ_FILE_OPS(rxon_flags); 2343DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2344DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2345DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2346DEBUGFS_READ_FILE_OPS(bt_traffic); 2347DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2348DEBUGFS_READ_FILE_OPS(reply_tx_error); 2349DEBUGFS_WRITE_FILE_OPS(echo_test); 2350DEBUGFS_WRITE_FILE_OPS(fw_restart); 2351#ifdef CONFIG_IWLWIFI_DEBUG 2352DEBUGFS_READ_WRITE_FILE_OPS(log_event); 2353#endif 2354DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled); 2355 2356/* 2357 * Create the debugfs files and directories 2358 * 2359 */ 2360int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir) 2361{ 2362 struct dentry *dir_data, *dir_rf, *dir_debug; 2363 2364 priv->debugfs_dir = dbgfs_dir; 2365 2366 dir_data = debugfs_create_dir("data", dbgfs_dir); 2367 if (!dir_data) 2368 goto err; 2369 dir_rf = debugfs_create_dir("rf", dbgfs_dir); 2370 if (!dir_rf) 2371 goto err; 2372 dir_debug = debugfs_create_dir("debug", dbgfs_dir); 2373 if (!dir_debug) 2374 goto err; 2375 2376 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2377 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2378 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR); 2379 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2380 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2381 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2382 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR); 2383 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2384 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2385 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2386 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2387 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2388 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR); 2389 2390 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2391 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2392 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2393 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2394 DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR); 2395 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2396 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2397 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2398 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); 2399 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR); 2400 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2401 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2402 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2403 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR); 2404 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR); 2405 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); 2406 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); 2407 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); 2408 DEBUGFS_ADD_FILE(fw_restart, dir_debug, S_IWUSR); 2409#ifdef CONFIG_IWLWIFI_DEBUG 2410 DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR); 2411#endif 2412 2413 if (iwl_advanced_bt_coexist(priv)) 2414 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); 2415 2416 /* Calibrations disabled/enabled status*/ 2417 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR); 2418 2419 /* 2420 * Create a symlink with mac80211. This is not very robust, as it does 2421 * not remove the symlink created. The implicit assumption is that 2422 * when the opmode exits, mac80211 will also exit, and will remove 2423 * this symlink as part of its cleanup. 2424 */ 2425 if (priv->mac80211_registered) { 2426 char buf[100]; 2427 struct dentry *mac80211_dir, *dev_dir, *root_dir; 2428 2429 dev_dir = dbgfs_dir->d_parent; 2430 root_dir = dev_dir->d_parent; 2431 mac80211_dir = priv->hw->wiphy->debugfsdir; 2432 2433 snprintf(buf, 100, "../../%s/%s", root_dir->d_name.name, 2434 dev_dir->d_name.name); 2435 2436 if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf)) 2437 goto err; 2438 } 2439 2440 return 0; 2441 2442err: 2443 IWL_ERR(priv, "failed to create the dvm debugfs entries\n"); 2444 return -ENOMEM; 2445} 2446