iwl-debugfs.c revision 43e851157adb966dd633e983b24040f72877737e
1/****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2009 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 LICENSE.GPL. 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/kernel.h> 30#include <linux/module.h> 31#include <linux/debugfs.h> 32 33#include <linux/ieee80211.h> 34#include <net/mac80211.h> 35 36 37#include "iwl-dev.h" 38#include "iwl-debug.h" 39#include "iwl-core.h" 40#include "iwl-io.h" 41#include "iwl-calib.h" 42 43/* create and remove of files */ 44#define DEBUGFS_ADD_DIR(name, parent) do { \ 45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \ 46 if (!(dbgfs->dir_##name)) \ 47 goto err; \ 48} while (0) 49 50#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 51 dbgfs->dbgfs_##parent##_files.file_##name = \ 52 debugfs_create_file(#name, mode, \ 53 dbgfs->dir_##parent, priv, \ 54 &iwl_dbgfs_##name##_ops); \ 55 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \ 56 goto err; \ 57} while (0) 58 59#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 60 dbgfs->dbgfs_##parent##_files.file_##name = \ 61 debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 62 dbgfs->dir_##parent, ptr); \ 63 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ 64 || !dbgfs->dbgfs_##parent##_files.file_##name) \ 65 goto err; \ 66} while (0) 67 68#define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 69 dbgfs->dbgfs_##parent##_files.file_##name = \ 70 debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr); \ 71 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ 72 || !dbgfs->dbgfs_##parent##_files.file_##name) \ 73 goto err; \ 74} while (0) 75 76#define DEBUGFS_REMOVE(name) do { \ 77 debugfs_remove(name); \ 78 name = NULL; \ 79} while (0); 80 81/* file operation */ 82#define DEBUGFS_READ_FUNC(name) \ 83static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ 84 char __user *user_buf, \ 85 size_t count, loff_t *ppos); 86 87#define DEBUGFS_WRITE_FUNC(name) \ 88static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ 89 const char __user *user_buf, \ 90 size_t count, loff_t *ppos); 91 92 93static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) 94{ 95 file->private_data = inode->i_private; 96 return 0; 97} 98 99#define DEBUGFS_READ_FILE_OPS(name) \ 100 DEBUGFS_READ_FUNC(name); \ 101static const struct file_operations iwl_dbgfs_##name##_ops = { \ 102 .read = iwl_dbgfs_##name##_read, \ 103 .open = iwl_dbgfs_open_file_generic, \ 104}; 105 106#define DEBUGFS_WRITE_FILE_OPS(name) \ 107 DEBUGFS_WRITE_FUNC(name); \ 108static const struct file_operations iwl_dbgfs_##name##_ops = { \ 109 .write = iwl_dbgfs_##name##_write, \ 110 .open = iwl_dbgfs_open_file_generic, \ 111}; 112 113 114#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 115 DEBUGFS_READ_FUNC(name); \ 116 DEBUGFS_WRITE_FUNC(name); \ 117static const struct file_operations iwl_dbgfs_##name##_ops = { \ 118 .write = iwl_dbgfs_##name##_write, \ 119 .read = iwl_dbgfs_##name##_read, \ 120 .open = iwl_dbgfs_open_file_generic, \ 121}; 122 123 124static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, 125 char __user *user_buf, 126 size_t count, loff_t *ppos) { 127 128 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 129 char *buf; 130 int pos = 0; 131 132 int cnt; 133 ssize_t ret; 134 const size_t bufsz = 100 + 135 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 136 buf = kzalloc(bufsz, GFP_KERNEL); 137 if (!buf) 138 return -ENOMEM; 139 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 140 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 141 pos += scnprintf(buf + pos, bufsz - pos, 142 "\t%25s\t\t: %u\n", 143 get_mgmt_string(cnt), 144 priv->tx_stats.mgmt[cnt]); 145 } 146 pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); 147 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 148 pos += scnprintf(buf + pos, bufsz - pos, 149 "\t%25s\t\t: %u\n", 150 get_ctrl_string(cnt), 151 priv->tx_stats.ctrl[cnt]); 152 } 153 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 154 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 155 priv->tx_stats.data_cnt); 156 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 157 priv->tx_stats.data_bytes); 158 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 159 kfree(buf); 160 return ret; 161} 162 163static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, 164 const char __user *user_buf, 165 size_t count, loff_t *ppos) 166{ 167 struct iwl_priv *priv = file->private_data; 168 u32 clear_flag; 169 char buf[8]; 170 int buf_size; 171 172 memset(buf, 0, sizeof(buf)); 173 buf_size = min(count, sizeof(buf) - 1); 174 if (copy_from_user(buf, user_buf, buf_size)) 175 return -EFAULT; 176 if (sscanf(buf, "%x", &clear_flag) != 1) 177 return -EFAULT; 178 iwl_clear_traffic_stats(priv); 179 180 return count; 181} 182 183static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, 184 char __user *user_buf, 185 size_t count, loff_t *ppos) { 186 187 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 188 char *buf; 189 int pos = 0; 190 int cnt; 191 ssize_t ret; 192 const size_t bufsz = 100 + 193 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 194 buf = kzalloc(bufsz, GFP_KERNEL); 195 if (!buf) 196 return -ENOMEM; 197 198 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 199 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 200 pos += scnprintf(buf + pos, bufsz - pos, 201 "\t%25s\t\t: %u\n", 202 get_mgmt_string(cnt), 203 priv->rx_stats.mgmt[cnt]); 204 } 205 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); 206 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 207 pos += scnprintf(buf + pos, bufsz - pos, 208 "\t%25s\t\t: %u\n", 209 get_ctrl_string(cnt), 210 priv->rx_stats.ctrl[cnt]); 211 } 212 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 213 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 214 priv->rx_stats.data_cnt); 215 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 216 priv->rx_stats.data_bytes); 217 218 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 219 kfree(buf); 220 return ret; 221} 222 223#define BYTE1_MASK 0x000000ff; 224#define BYTE2_MASK 0x0000ffff; 225#define BYTE3_MASK 0x00ffffff; 226static ssize_t iwl_dbgfs_sram_read(struct file *file, 227 char __user *user_buf, 228 size_t count, loff_t *ppos) 229{ 230 u32 val; 231 char buf[1024]; 232 ssize_t ret; 233 int i; 234 int pos = 0; 235 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 236 const size_t bufsz = sizeof(buf); 237 238 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) { 239 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \ 240 priv->dbgfs->sram_len - i); 241 if (i < 4) { 242 switch (i) { 243 case 1: 244 val &= BYTE1_MASK; 245 break; 246 case 2: 247 val &= BYTE2_MASK; 248 break; 249 case 3: 250 val &= BYTE3_MASK; 251 break; 252 } 253 } 254 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); 255 } 256 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 257 258 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 259 return ret; 260} 261 262static ssize_t iwl_dbgfs_sram_write(struct file *file, 263 const char __user *user_buf, 264 size_t count, loff_t *ppos) 265{ 266 struct iwl_priv *priv = file->private_data; 267 char buf[64]; 268 int buf_size; 269 u32 offset, len; 270 271 memset(buf, 0, sizeof(buf)); 272 buf_size = min(count, sizeof(buf) - 1); 273 if (copy_from_user(buf, user_buf, buf_size)) 274 return -EFAULT; 275 276 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 277 priv->dbgfs->sram_offset = offset; 278 priv->dbgfs->sram_len = len; 279 } else { 280 priv->dbgfs->sram_offset = 0; 281 priv->dbgfs->sram_len = 0; 282 } 283 284 return count; 285} 286 287static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 288 size_t count, loff_t *ppos) 289{ 290 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 291 struct iwl_station_entry *station; 292 int max_sta = priv->hw_params.max_stations; 293 char *buf; 294 int i, j, pos = 0; 295 ssize_t ret; 296 /* Add 30 for initial string */ 297 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 298 299 buf = kmalloc(bufsz, GFP_KERNEL); 300 if (!buf) 301 return -ENOMEM; 302 303 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 304 priv->num_stations); 305 306 for (i = 0; i < max_sta; i++) { 307 station = &priv->stations[i]; 308 if (station->used) { 309 pos += scnprintf(buf + pos, bufsz - pos, 310 "station %d:\ngeneral data:\n", i+1); 311 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", 312 station->sta.sta.sta_id); 313 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", 314 station->sta.mode); 315 pos += scnprintf(buf + pos, bufsz - pos, 316 "flags: 0x%x\n", 317 station->sta.station_flags_msk); 318 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); 319 pos += scnprintf(buf + pos, bufsz - pos, 320 "seq_num\t\ttxq_id"); 321 pos += scnprintf(buf + pos, bufsz - pos, 322 "\tframe_count\twait_for_ba\t"); 323 pos += scnprintf(buf + pos, bufsz - pos, 324 "start_idx\tbitmap0\t"); 325 pos += scnprintf(buf + pos, bufsz - pos, 326 "bitmap1\trate_n_flags"); 327 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 328 329 for (j = 0; j < MAX_TID_COUNT; j++) { 330 pos += scnprintf(buf + pos, bufsz - pos, 331 "[%d]:\t\t%u", j, 332 station->tid[j].seq_number); 333 pos += scnprintf(buf + pos, bufsz - pos, 334 "\t%u\t\t%u\t\t%u\t\t", 335 station->tid[j].agg.txq_id, 336 station->tid[j].agg.frame_count, 337 station->tid[j].agg.wait_for_ba); 338 pos += scnprintf(buf + pos, bufsz - pos, 339 "%u\t%llu\t%u", 340 station->tid[j].agg.start_idx, 341 (unsigned long long)station->tid[j].agg.bitmap, 342 station->tid[j].agg.rate_n_flags); 343 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 344 } 345 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 346 } 347 } 348 349 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 350 kfree(buf); 351 return ret; 352} 353 354static ssize_t iwl_dbgfs_nvm_read(struct file *file, 355 char __user *user_buf, 356 size_t count, 357 loff_t *ppos) 358{ 359 ssize_t ret; 360 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 361 int pos = 0, ofs = 0, buf_size = 0; 362 const u8 *ptr; 363 char *buf; 364 u16 eeprom_ver; 365 size_t eeprom_len = priv->cfg->eeprom_size; 366 buf_size = 4 * eeprom_len + 256; 367 368 if (eeprom_len % 16) { 369 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 370 return -ENODATA; 371 } 372 373 ptr = priv->eeprom; 374 if (!ptr) { 375 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 376 return -ENOMEM; 377 } 378 379 /* 4 characters for byte 0xYY */ 380 buf = kzalloc(buf_size, GFP_KERNEL); 381 if (!buf) { 382 IWL_ERR(priv, "Can not allocate Buffer\n"); 383 return -ENOMEM; 384 } 385 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); 386 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 387 "version: 0x%x\n", 388 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) 389 ? "OTP" : "EEPROM", eeprom_ver); 390 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 391 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 392 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 393 buf_size - pos, 0); 394 pos += strlen(buf + pos); 395 if (buf_size - pos > 0) 396 buf[pos++] = '\n'; 397 } 398 399 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 400 kfree(buf); 401 return ret; 402} 403 404static ssize_t iwl_dbgfs_log_event_write(struct file *file, 405 const char __user *user_buf, 406 size_t count, loff_t *ppos) 407{ 408 struct iwl_priv *priv = file->private_data; 409 u32 event_log_flag; 410 char buf[8]; 411 int buf_size; 412 413 memset(buf, 0, sizeof(buf)); 414 buf_size = min(count, sizeof(buf) - 1); 415 if (copy_from_user(buf, user_buf, buf_size)) 416 return -EFAULT; 417 if (sscanf(buf, "%d", &event_log_flag) != 1) 418 return -EFAULT; 419 if (event_log_flag == 1) 420 priv->cfg->ops->lib->dump_nic_event_log(priv); 421 422 return count; 423} 424 425 426 427static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 428 size_t count, loff_t *ppos) 429{ 430 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 431 struct ieee80211_channel *channels = NULL; 432 const struct ieee80211_supported_band *supp_band = NULL; 433 int pos = 0, i, bufsz = PAGE_SIZE; 434 char *buf; 435 ssize_t ret; 436 437 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) 438 return -EAGAIN; 439 440 buf = kzalloc(bufsz, GFP_KERNEL); 441 if (!buf) { 442 IWL_ERR(priv, "Can not allocate Buffer\n"); 443 return -ENOMEM; 444 } 445 446 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 447 if (supp_band) { 448 channels = supp_band->channels; 449 450 pos += scnprintf(buf + pos, bufsz - pos, 451 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 452 supp_band->n_channels); 453 454 for (i = 0; i < supp_band->n_channels; i++) 455 pos += scnprintf(buf + pos, bufsz - pos, 456 "%d: %ddBm: BSS%s%s, %s.\n", 457 ieee80211_frequency_to_channel( 458 channels[i].center_freq), 459 channels[i].max_power, 460 channels[i].flags & IEEE80211_CHAN_RADAR ? 461 " (IEEE 802.11h required)" : "", 462 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 463 || (channels[i].flags & 464 IEEE80211_CHAN_RADAR)) ? "" : 465 ", IBSS", 466 channels[i].flags & 467 IEEE80211_CHAN_PASSIVE_SCAN ? 468 "passive only" : "active/passive"); 469 } 470 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 471 if (supp_band) { 472 channels = supp_band->channels; 473 474 pos += scnprintf(buf + pos, bufsz - pos, 475 "Displaying %d channels in 5.2GHz band (802.11a)\n", 476 supp_band->n_channels); 477 478 for (i = 0; i < supp_band->n_channels; i++) 479 pos += scnprintf(buf + pos, bufsz - pos, 480 "%d: %ddBm: BSS%s%s, %s.\n", 481 ieee80211_frequency_to_channel( 482 channels[i].center_freq), 483 channels[i].max_power, 484 channels[i].flags & IEEE80211_CHAN_RADAR ? 485 " (IEEE 802.11h required)" : "", 486 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 487 || (channels[i].flags & 488 IEEE80211_CHAN_RADAR)) ? "" : 489 ", IBSS", 490 channels[i].flags & 491 IEEE80211_CHAN_PASSIVE_SCAN ? 492 "passive only" : "active/passive"); 493 } 494 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 495 kfree(buf); 496 return ret; 497} 498 499static ssize_t iwl_dbgfs_status_read(struct file *file, 500 char __user *user_buf, 501 size_t count, loff_t *ppos) { 502 503 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 504 char buf[512]; 505 int pos = 0; 506 const size_t bufsz = sizeof(buf); 507 508 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 509 test_bit(STATUS_HCMD_ACTIVE, &priv->status)); 510 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n", 511 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)); 512 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 513 test_bit(STATUS_INT_ENABLED, &priv->status)); 514 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 515 test_bit(STATUS_RF_KILL_HW, &priv->status)); 516 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 517 test_bit(STATUS_CT_KILL, &priv->status)); 518 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 519 test_bit(STATUS_INIT, &priv->status)); 520 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 521 test_bit(STATUS_ALIVE, &priv->status)); 522 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 523 test_bit(STATUS_READY, &priv->status)); 524 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 525 test_bit(STATUS_TEMPERATURE, &priv->status)); 526 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 527 test_bit(STATUS_GEO_CONFIGURED, &priv->status)); 528 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 529 test_bit(STATUS_EXIT_PENDING, &priv->status)); 530 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 531 test_bit(STATUS_STATISTICS, &priv->status)); 532 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 533 test_bit(STATUS_SCANNING, &priv->status)); 534 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 535 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 536 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 537 test_bit(STATUS_SCAN_HW, &priv->status)); 538 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 539 test_bit(STATUS_POWER_PMI, &priv->status)); 540 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 541 test_bit(STATUS_FW_ERROR, &priv->status)); 542 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", 543 test_bit(STATUS_MODE_PENDING, &priv->status)); 544 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 545} 546 547static ssize_t iwl_dbgfs_interrupt_read(struct file *file, 548 char __user *user_buf, 549 size_t count, loff_t *ppos) { 550 551 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 552 int pos = 0; 553 int cnt = 0; 554 char *buf; 555 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 556 ssize_t ret; 557 558 buf = kzalloc(bufsz, GFP_KERNEL); 559 if (!buf) { 560 IWL_ERR(priv, "Can not allocate Buffer\n"); 561 return -ENOMEM; 562 } 563 564 pos += scnprintf(buf + pos, bufsz - pos, 565 "Interrupt Statistics Report:\n"); 566 567 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", 568 priv->isr_stats.hw); 569 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", 570 priv->isr_stats.sw); 571 if (priv->isr_stats.sw > 0) { 572 pos += scnprintf(buf + pos, bufsz - pos, 573 "\tLast Restarting Code: 0x%X\n", 574 priv->isr_stats.sw_err); 575 } 576#ifdef CONFIG_IWLWIFI_DEBUG 577 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", 578 priv->isr_stats.sch); 579 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", 580 priv->isr_stats.alive); 581#endif 582 pos += scnprintf(buf + pos, bufsz - pos, 583 "HW RF KILL switch toggled:\t %u\n", 584 priv->isr_stats.rfkill); 585 586 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", 587 priv->isr_stats.ctkill); 588 589 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", 590 priv->isr_stats.wakeup); 591 592 pos += scnprintf(buf + pos, bufsz - pos, 593 "Rx command responses:\t\t %u\n", 594 priv->isr_stats.rx); 595 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 596 if (priv->isr_stats.rx_handlers[cnt] > 0) 597 pos += scnprintf(buf + pos, bufsz - pos, 598 "\tRx handler[%36s]:\t\t %u\n", 599 get_cmd_string(cnt), 600 priv->isr_stats.rx_handlers[cnt]); 601 } 602 603 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", 604 priv->isr_stats.tx); 605 606 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", 607 priv->isr_stats.unhandled); 608 609 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 610 kfree(buf); 611 return ret; 612} 613 614static ssize_t iwl_dbgfs_interrupt_write(struct file *file, 615 const char __user *user_buf, 616 size_t count, loff_t *ppos) 617{ 618 struct iwl_priv *priv = file->private_data; 619 char buf[8]; 620 int buf_size; 621 u32 reset_flag; 622 623 memset(buf, 0, sizeof(buf)); 624 buf_size = min(count, sizeof(buf) - 1); 625 if (copy_from_user(buf, user_buf, buf_size)) 626 return -EFAULT; 627 if (sscanf(buf, "%x", &reset_flag) != 1) 628 return -EFAULT; 629 if (reset_flag == 0) 630 iwl_clear_isr_stats(priv); 631 632 return count; 633} 634 635static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 636 size_t count, loff_t *ppos) 637{ 638 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 639 int pos = 0, i; 640 char buf[256]; 641 const size_t bufsz = sizeof(buf); 642 ssize_t ret; 643 644 for (i = 0; i < AC_NUM; i++) { 645 pos += scnprintf(buf + pos, bufsz - pos, 646 "\tcw_min\tcw_max\taifsn\ttxop\n"); 647 pos += scnprintf(buf + pos, bufsz - pos, 648 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 649 priv->qos_data.def_qos_parm.ac[i].cw_min, 650 priv->qos_data.def_qos_parm.ac[i].cw_max, 651 priv->qos_data.def_qos_parm.ac[i].aifsn, 652 priv->qos_data.def_qos_parm.ac[i].edca_txop); 653 } 654 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 655 return ret; 656} 657 658static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, 659 size_t count, loff_t *ppos) 660{ 661 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 662 int pos = 0; 663 char buf[256]; 664 const size_t bufsz = sizeof(buf); 665 ssize_t ret; 666 667 pos += scnprintf(buf + pos, bufsz - pos, 668 "allow blinking: %s\n", 669 (priv->allow_blinking) ? "True" : "False"); 670 if (priv->allow_blinking) { 671 pos += scnprintf(buf + pos, bufsz - pos, 672 "Led blinking rate: %u\n", 673 priv->last_blink_rate); 674 pos += scnprintf(buf + pos, bufsz - pos, 675 "Last blink time: %lu\n", 676 priv->last_blink_time); 677 } 678 679 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 680 return ret; 681} 682 683static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 684 char __user *user_buf, 685 size_t count, loff_t *ppos) 686{ 687 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 688 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 689 struct iwl_tt_restriction *restriction; 690 char buf[100]; 691 int pos = 0; 692 const size_t bufsz = sizeof(buf); 693 ssize_t ret; 694 695 pos += scnprintf(buf + pos, bufsz - pos, 696 "Thermal Throttling Mode: %s\n", 697 tt->advanced_tt ? "Advance" : "Legacy"); 698 pos += scnprintf(buf + pos, bufsz - pos, 699 "Thermal Throttling State: %d\n", 700 tt->state); 701 if (tt->advanced_tt) { 702 restriction = tt->restriction + tt->state; 703 pos += scnprintf(buf + pos, bufsz - pos, 704 "Tx mode: %d\n", 705 restriction->tx_stream); 706 pos += scnprintf(buf + pos, bufsz - pos, 707 "Rx mode: %d\n", 708 restriction->rx_stream); 709 pos += scnprintf(buf + pos, bufsz - pos, 710 "HT mode: %d\n", 711 restriction->is_ht); 712 } 713 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 714 return ret; 715} 716 717static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 718 const char __user *user_buf, 719 size_t count, loff_t *ppos) 720{ 721 struct iwl_priv *priv = file->private_data; 722 char buf[8]; 723 int buf_size; 724 int ht40; 725 726 memset(buf, 0, sizeof(buf)); 727 buf_size = min(count, sizeof(buf) - 1); 728 if (copy_from_user(buf, user_buf, buf_size)) 729 return -EFAULT; 730 if (sscanf(buf, "%d", &ht40) != 1) 731 return -EFAULT; 732 if (!iwl_is_associated(priv)) 733 priv->disable_ht40 = ht40 ? true : false; 734 else { 735 IWL_ERR(priv, "Sta associated with AP - " 736 "Change to 40MHz channel support is not allowed\n"); 737 return -EINVAL; 738 } 739 740 return count; 741} 742 743static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 744 char __user *user_buf, 745 size_t count, loff_t *ppos) 746{ 747 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 748 char buf[100]; 749 int pos = 0; 750 const size_t bufsz = sizeof(buf); 751 ssize_t ret; 752 753 pos += scnprintf(buf + pos, bufsz - pos, 754 "11n 40MHz Mode: %s\n", 755 priv->disable_ht40 ? "Disabled" : "Enabled"); 756 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 757 return ret; 758} 759 760static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 761 const char __user *user_buf, 762 size_t count, loff_t *ppos) 763{ 764 struct iwl_priv *priv = file->private_data; 765 char buf[8]; 766 int buf_size; 767 int value; 768 769 memset(buf, 0, sizeof(buf)); 770 buf_size = min(count, sizeof(buf) - 1); 771 if (copy_from_user(buf, user_buf, buf_size)) 772 return -EFAULT; 773 774 if (sscanf(buf, "%d", &value) != 1) 775 return -EINVAL; 776 777 /* 778 * Our users expect 0 to be "CAM", but 0 isn't actually 779 * valid here. However, let's not confuse them and present 780 * IWL_POWER_INDEX_1 as "1", not "0". 781 */ 782 if (value == 0) 783 return -EINVAL; 784 else if (value > 0) 785 value -= 1; 786 787 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 788 return -EINVAL; 789 790 if (!iwl_is_ready_rf(priv)) 791 return -EAGAIN; 792 793 priv->power_data.debug_sleep_level_override = value; 794 795 iwl_power_update_mode(priv, true); 796 797 return count; 798} 799 800static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 801 char __user *user_buf, 802 size_t count, loff_t *ppos) 803{ 804 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 805 char buf[10]; 806 int pos, value; 807 const size_t bufsz = sizeof(buf); 808 809 /* see the write function */ 810 value = priv->power_data.debug_sleep_level_override; 811 if (value >= 0) 812 value += 1; 813 814 pos = scnprintf(buf, bufsz, "%d\n", value); 815 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 816} 817 818static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 819 char __user *user_buf, 820 size_t count, loff_t *ppos) 821{ 822 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 823 char buf[200]; 824 int pos = 0, i; 825 const size_t bufsz = sizeof(buf); 826 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 827 828 pos += scnprintf(buf + pos, bufsz - pos, 829 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 830 pos += scnprintf(buf + pos, bufsz - pos, 831 "RX/TX timeout: %d/%d usec\n", 832 le32_to_cpu(cmd->rx_data_timeout), 833 le32_to_cpu(cmd->tx_data_timeout)); 834 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 835 pos += scnprintf(buf + pos, bufsz - pos, 836 "sleep_interval[%d]: %d\n", i, 837 le32_to_cpu(cmd->sleep_interval[i])); 838 839 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 840} 841 842DEBUGFS_READ_WRITE_FILE_OPS(sram); 843DEBUGFS_WRITE_FILE_OPS(log_event); 844DEBUGFS_READ_FILE_OPS(nvm); 845DEBUGFS_READ_FILE_OPS(stations); 846DEBUGFS_READ_FILE_OPS(channels); 847DEBUGFS_READ_FILE_OPS(status); 848DEBUGFS_READ_WRITE_FILE_OPS(interrupt); 849DEBUGFS_READ_FILE_OPS(qos); 850DEBUGFS_READ_FILE_OPS(led); 851DEBUGFS_READ_FILE_OPS(thermal_throttling); 852DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 853DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 854DEBUGFS_READ_FILE_OPS(current_sleep_command); 855 856static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 857 char __user *user_buf, 858 size_t count, loff_t *ppos) 859{ 860 struct iwl_priv *priv = file->private_data; 861 int pos = 0, ofs = 0; 862 int cnt = 0, entry; 863 struct iwl_tx_queue *txq; 864 struct iwl_queue *q; 865 struct iwl_rx_queue *rxq = &priv->rxq; 866 char *buf; 867 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 868 (priv->cfg->num_of_queues * 32 * 8) + 400; 869 const u8 *ptr; 870 ssize_t ret; 871 872 if (!priv->txq) { 873 IWL_ERR(priv, "txq not ready\n"); 874 return -EAGAIN; 875 } 876 buf = kzalloc(bufsz, GFP_KERNEL); 877 if (!buf) { 878 IWL_ERR(priv, "Can not allocate buffer\n"); 879 return -ENOMEM; 880 } 881 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); 882 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 883 txq = &priv->txq[cnt]; 884 q = &txq->q; 885 pos += scnprintf(buf + pos, bufsz - pos, 886 "q[%d]: read_ptr: %u, write_ptr: %u\n", 887 cnt, q->read_ptr, q->write_ptr); 888 } 889 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { 890 ptr = priv->tx_traffic; 891 pos += scnprintf(buf + pos, bufsz - pos, 892 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 893 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 894 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 895 entry++, ofs += 16) { 896 pos += scnprintf(buf + pos, bufsz - pos, 897 "0x%.4x ", ofs); 898 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 899 buf + pos, bufsz - pos, 0); 900 pos += strlen(buf + pos); 901 if (bufsz - pos > 0) 902 buf[pos++] = '\n'; 903 } 904 } 905 } 906 907 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); 908 pos += scnprintf(buf + pos, bufsz - pos, 909 "read: %u, write: %u\n", 910 rxq->read, rxq->write); 911 912 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { 913 ptr = priv->rx_traffic; 914 pos += scnprintf(buf + pos, bufsz - pos, 915 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 916 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 917 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 918 entry++, ofs += 16) { 919 pos += scnprintf(buf + pos, bufsz - pos, 920 "0x%.4x ", ofs); 921 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 922 buf + pos, bufsz - pos, 0); 923 pos += strlen(buf + pos); 924 if (bufsz - pos > 0) 925 buf[pos++] = '\n'; 926 } 927 } 928 } 929 930 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 931 kfree(buf); 932 return ret; 933} 934 935static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 936 const char __user *user_buf, 937 size_t count, loff_t *ppos) 938{ 939 struct iwl_priv *priv = file->private_data; 940 char buf[8]; 941 int buf_size; 942 int traffic_log; 943 944 memset(buf, 0, sizeof(buf)); 945 buf_size = min(count, sizeof(buf) - 1); 946 if (copy_from_user(buf, user_buf, buf_size)) 947 return -EFAULT; 948 if (sscanf(buf, "%d", &traffic_log) != 1) 949 return -EFAULT; 950 if (traffic_log == 0) 951 iwl_reset_traffic_log(priv); 952 953 return count; 954} 955 956static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, 957 char __user *user_buf, 958 size_t count, loff_t *ppos) { 959 960 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 961 struct iwl_tx_queue *txq; 962 struct iwl_queue *q; 963 char *buf; 964 int pos = 0; 965 int cnt; 966 int ret; 967 const size_t bufsz = sizeof(char) * 60 * priv->cfg->num_of_queues; 968 969 if (!priv->txq) { 970 IWL_ERR(priv, "txq not ready\n"); 971 return -EAGAIN; 972 } 973 buf = kzalloc(bufsz, GFP_KERNEL); 974 if (!buf) 975 return -ENOMEM; 976 977 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 978 txq = &priv->txq[cnt]; 979 q = &txq->q; 980 pos += scnprintf(buf + pos, bufsz - pos, 981 "hwq %.2d: read=%u write=%u stop=%d" 982 " swq_id=%#.2x (ac %d/hwq %d)\n", 983 cnt, q->read_ptr, q->write_ptr, 984 !!test_bit(cnt, priv->queue_stopped), 985 txq->swq_id, 986 txq->swq_id & 0x80 ? txq->swq_id & 3 : 987 txq->swq_id, 988 txq->swq_id & 0x80 ? (txq->swq_id >> 2) & 989 0x1f : txq->swq_id); 990 if (cnt >= 4) 991 continue; 992 /* for the ACs, display the stop count too */ 993 pos += scnprintf(buf + pos, bufsz - pos, 994 " stop-count: %d\n", 995 atomic_read(&priv->queue_stop_count[cnt])); 996 } 997 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 998 kfree(buf); 999 return ret; 1000} 1001 1002static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, 1003 char __user *user_buf, 1004 size_t count, loff_t *ppos) { 1005 1006 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1007 struct iwl_rx_queue *rxq = &priv->rxq; 1008 char buf[256]; 1009 int pos = 0; 1010 const size_t bufsz = sizeof(buf); 1011 1012 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", 1013 rxq->read); 1014 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", 1015 rxq->write); 1016 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", 1017 rxq->free_count); 1018 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", 1019 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); 1020 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1021} 1022 1023static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, 1024 int bufsz) 1025{ 1026 int p = 0; 1027 1028 p += scnprintf(buf + p, bufsz - p, 1029 "Statistics Flag(0x%X):\n", 1030 le32_to_cpu(priv->statistics.flag)); 1031 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) 1032 p += scnprintf(buf + p, bufsz - p, 1033 "\tStatistics have been cleared\n"); 1034 p += scnprintf(buf + p, bufsz - p, 1035 "\tOperational Frequency: %s\n", 1036 (le32_to_cpu(priv->statistics.flag) & 1037 UCODE_STATISTICS_FREQUENCY_MSK) 1038 ? "2.4 GHz" : "5.2 GHz"); 1039 p += scnprintf(buf + p, bufsz - p, 1040 "\tTGj Narrow Band: %s\n", 1041 (le32_to_cpu(priv->statistics.flag) & 1042 UCODE_STATISTICS_NARROW_BAND_MSK) 1043 ? "enabled" : "disabled"); 1044 return p; 1045} 1046 1047 1048static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 1049 char __user *user_buf, 1050 size_t count, loff_t *ppos) 1051{ 1052 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1053 int pos = 0; 1054 char *buf; 1055 int bufsz = sizeof(struct statistics_rx_phy) * 20 + 1056 sizeof(struct statistics_rx_non_phy) * 20 + 1057 sizeof(struct statistics_rx_ht_phy) * 20 + 400; 1058 ssize_t ret; 1059 struct statistics_rx_phy *ofdm, *accum_ofdm; 1060 struct statistics_rx_phy *cck, *accum_cck; 1061 struct statistics_rx_non_phy *general, *accum_general; 1062 struct statistics_rx_ht_phy *ht, *accum_ht; 1063 1064 if (!iwl_is_alive(priv)) 1065 return -EAGAIN; 1066 1067 /* make request to uCode to retrieve statistics information */ 1068 mutex_lock(&priv->mutex); 1069 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1070 mutex_unlock(&priv->mutex); 1071 1072 if (ret) { 1073 IWL_ERR(priv, 1074 "Error sending statistics request: %zd\n", ret); 1075 return -EAGAIN; 1076 } 1077 buf = kzalloc(bufsz, GFP_KERNEL); 1078 if (!buf) { 1079 IWL_ERR(priv, "Can not allocate Buffer\n"); 1080 return -ENOMEM; 1081 } 1082 1083 /* the statistic information display here is based on 1084 * the last statistics notification from uCode 1085 * might not reflect the current uCode activity 1086 */ 1087 ofdm = &priv->statistics.rx.ofdm; 1088 cck = &priv->statistics.rx.cck; 1089 general = &priv->statistics.rx.general; 1090 ht = &priv->statistics.rx.ofdm_ht; 1091 accum_ofdm = &priv->accum_statistics.rx.ofdm; 1092 accum_cck = &priv->accum_statistics.rx.cck; 1093 accum_general = &priv->accum_statistics.rx.general; 1094 accum_ht = &priv->accum_statistics.rx.ofdm_ht; 1095 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1096 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n"); 1097 pos += scnprintf(buf + pos, bufsz - pos, 1098 "\t\t\tcurrent\t\t\taccumulative\n"); 1099 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1100 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt); 1101 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1102 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt); 1103 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1104 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err); 1105 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1106 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err); 1107 pos += scnprintf(buf + pos, bufsz - pos, 1108 "overrun_err:\t\t%u\t\t\t%u\n", 1109 le32_to_cpu(ofdm->overrun_err), 1110 accum_ofdm->overrun_err); 1111 pos += scnprintf(buf + pos, bufsz - pos, 1112 "early_overrun_err:\t%u\t\t\t%u\n", 1113 le32_to_cpu(ofdm->early_overrun_err), 1114 accum_ofdm->early_overrun_err); 1115 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1116 le32_to_cpu(ofdm->crc32_good), 1117 accum_ofdm->crc32_good); 1118 pos += scnprintf(buf + pos, bufsz - pos, 1119 "false_alarm_cnt:\t%u\t\t\t%u\n", 1120 le32_to_cpu(ofdm->false_alarm_cnt), 1121 accum_ofdm->false_alarm_cnt); 1122 pos += scnprintf(buf + pos, bufsz - pos, 1123 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1124 le32_to_cpu(ofdm->fina_sync_err_cnt), 1125 accum_ofdm->fina_sync_err_cnt); 1126 pos += scnprintf(buf + pos, bufsz - pos, 1127 "sfd_timeout:\t\t%u\t\t\t%u\n", 1128 le32_to_cpu(ofdm->sfd_timeout), 1129 accum_ofdm->sfd_timeout); 1130 pos += scnprintf(buf + pos, bufsz - pos, 1131 "fina_timeout:\t\t%u\t\t\t%u\n", 1132 le32_to_cpu(ofdm->fina_timeout), 1133 accum_ofdm->fina_timeout); 1134 pos += scnprintf(buf + pos, bufsz - pos, 1135 "unresponded_rts:\t%u\t\t\t%u\n", 1136 le32_to_cpu(ofdm->unresponded_rts), 1137 accum_ofdm->unresponded_rts); 1138 pos += scnprintf(buf + pos, bufsz - pos, 1139 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1140 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1141 accum_ofdm->rxe_frame_limit_overrun); 1142 pos += scnprintf(buf + pos, bufsz - pos, 1143 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1144 le32_to_cpu(ofdm->sent_ack_cnt), 1145 accum_ofdm->sent_ack_cnt); 1146 pos += scnprintf(buf + pos, bufsz - pos, 1147 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1148 le32_to_cpu(ofdm->sent_cts_cnt), 1149 accum_ofdm->sent_cts_cnt); 1150 pos += scnprintf(buf + pos, bufsz - pos, 1151 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1152 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1153 accum_ofdm->sent_ba_rsp_cnt); 1154 pos += scnprintf(buf + pos, bufsz - pos, 1155 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1156 le32_to_cpu(ofdm->dsp_self_kill), 1157 accum_ofdm->dsp_self_kill); 1158 pos += scnprintf(buf + pos, bufsz - pos, 1159 "mh_format_err:\t\t%u\t\t\t%u\n", 1160 le32_to_cpu(ofdm->mh_format_err), 1161 accum_ofdm->mh_format_err); 1162 pos += scnprintf(buf + pos, bufsz - pos, 1163 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1164 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1165 accum_ofdm->re_acq_main_rssi_sum); 1166 1167 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n"); 1168 pos += scnprintf(buf + pos, bufsz - pos, 1169 "\t\t\tcurrent\t\t\taccumulative\n"); 1170 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1171 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt); 1172 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1173 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt); 1174 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1175 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err); 1176 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1177 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err); 1178 pos += scnprintf(buf + pos, bufsz - pos, 1179 "overrun_err:\t\t%u\t\t\t%u\n", 1180 le32_to_cpu(cck->overrun_err), 1181 accum_cck->overrun_err); 1182 pos += scnprintf(buf + pos, bufsz - pos, 1183 "early_overrun_err:\t%u\t\t\t%u\n", 1184 le32_to_cpu(cck->early_overrun_err), 1185 accum_cck->early_overrun_err); 1186 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1187 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good); 1188 pos += scnprintf(buf + pos, bufsz - pos, 1189 "false_alarm_cnt:\t%u\t\t\t%u\n", 1190 le32_to_cpu(cck->false_alarm_cnt), 1191 accum_cck->false_alarm_cnt); 1192 pos += scnprintf(buf + pos, bufsz - pos, 1193 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1194 le32_to_cpu(cck->fina_sync_err_cnt), 1195 accum_cck->fina_sync_err_cnt); 1196 pos += scnprintf(buf + pos, bufsz - pos, 1197 "sfd_timeout:\t\t%u\t\t\t%u\n", 1198 le32_to_cpu(cck->sfd_timeout), 1199 accum_cck->sfd_timeout); 1200 pos += scnprintf(buf + pos, bufsz - pos, 1201 "fina_timeout:\t\t%u\t\t\t%u\n", 1202 le32_to_cpu(cck->fina_timeout), 1203 accum_cck->fina_timeout); 1204 pos += scnprintf(buf + pos, bufsz - pos, 1205 "unresponded_rts:\t%u\t\t\t%u\n", 1206 le32_to_cpu(cck->unresponded_rts), 1207 accum_cck->unresponded_rts); 1208 pos += scnprintf(buf + pos, bufsz - pos, 1209 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1210 le32_to_cpu(cck->rxe_frame_limit_overrun), 1211 accum_cck->rxe_frame_limit_overrun); 1212 pos += scnprintf(buf + pos, bufsz - pos, 1213 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1214 le32_to_cpu(cck->sent_ack_cnt), 1215 accum_cck->sent_ack_cnt); 1216 pos += scnprintf(buf + pos, bufsz - pos, 1217 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1218 le32_to_cpu(cck->sent_cts_cnt), 1219 accum_cck->sent_cts_cnt); 1220 pos += scnprintf(buf + pos, bufsz - pos, 1221 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1222 le32_to_cpu(cck->sent_ba_rsp_cnt), 1223 accum_cck->sent_ba_rsp_cnt); 1224 pos += scnprintf(buf + pos, bufsz - pos, 1225 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1226 le32_to_cpu(cck->dsp_self_kill), 1227 accum_cck->dsp_self_kill); 1228 pos += scnprintf(buf + pos, bufsz - pos, 1229 "mh_format_err:\t\t%u\t\t\t%u\n", 1230 le32_to_cpu(cck->mh_format_err), 1231 accum_cck->mh_format_err); 1232 pos += scnprintf(buf + pos, bufsz - pos, 1233 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1234 le32_to_cpu(cck->re_acq_main_rssi_sum), 1235 accum_cck->re_acq_main_rssi_sum); 1236 1237 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n"); 1238 pos += scnprintf(buf + pos, bufsz - pos, 1239 "\t\t\tcurrent\t\t\taccumulative\n"); 1240 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n", 1241 le32_to_cpu(general->bogus_cts), 1242 accum_general->bogus_cts); 1243 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n", 1244 le32_to_cpu(general->bogus_ack), 1245 accum_general->bogus_ack); 1246 pos += scnprintf(buf + pos, bufsz - pos, 1247 "non_bssid_frames:\t%u\t\t\t%u\n", 1248 le32_to_cpu(general->non_bssid_frames), 1249 accum_general->non_bssid_frames); 1250 pos += scnprintf(buf + pos, bufsz - pos, 1251 "filtered_frames:\t%u\t\t\t%u\n", 1252 le32_to_cpu(general->filtered_frames), 1253 accum_general->filtered_frames); 1254 pos += scnprintf(buf + pos, bufsz - pos, 1255 "non_channel_beacons:\t%u\t\t\t%u\n", 1256 le32_to_cpu(general->non_channel_beacons), 1257 accum_general->non_channel_beacons); 1258 pos += scnprintf(buf + pos, bufsz - pos, 1259 "channel_beacons:\t%u\t\t\t%u\n", 1260 le32_to_cpu(general->channel_beacons), 1261 accum_general->channel_beacons); 1262 pos += scnprintf(buf + pos, bufsz - pos, 1263 "num_missed_bcon:\t%u\t\t\t%u\n", 1264 le32_to_cpu(general->num_missed_bcon), 1265 accum_general->num_missed_bcon); 1266 pos += scnprintf(buf + pos, bufsz - pos, 1267 "adc_rx_saturation_time:\t%u\t\t\t%u\n", 1268 le32_to_cpu(general->adc_rx_saturation_time), 1269 accum_general->adc_rx_saturation_time); 1270 pos += scnprintf(buf + pos, bufsz - pos, 1271 "ina_detect_search_tm:\t%u\t\t\t%u\n", 1272 le32_to_cpu(general->ina_detection_search_time), 1273 accum_general->ina_detection_search_time); 1274 pos += scnprintf(buf + pos, bufsz - pos, 1275 "beacon_silence_rssi_a:\t%u\t\t\t%u\n", 1276 le32_to_cpu(general->beacon_silence_rssi_a), 1277 accum_general->beacon_silence_rssi_a); 1278 pos += scnprintf(buf + pos, bufsz - pos, 1279 "beacon_silence_rssi_b:\t%u\t\t\t%u\n", 1280 le32_to_cpu(general->beacon_silence_rssi_b), 1281 accum_general->beacon_silence_rssi_b); 1282 pos += scnprintf(buf + pos, bufsz - pos, 1283 "beacon_silence_rssi_c:\t%u\t\t\t%u\n", 1284 le32_to_cpu(general->beacon_silence_rssi_c), 1285 accum_general->beacon_silence_rssi_c); 1286 pos += scnprintf(buf + pos, bufsz - pos, 1287 "interference_data_flag:\t%u\t\t\t%u\n", 1288 le32_to_cpu(general->interference_data_flag), 1289 accum_general->interference_data_flag); 1290 pos += scnprintf(buf + pos, bufsz - pos, 1291 "channel_load:\t\t%u\t\t\t%u\n", 1292 le32_to_cpu(general->channel_load), 1293 accum_general->channel_load); 1294 pos += scnprintf(buf + pos, bufsz - pos, 1295 "dsp_false_alarms:\t%u\t\t\t%u\n", 1296 le32_to_cpu(general->dsp_false_alarms), 1297 accum_general->dsp_false_alarms); 1298 pos += scnprintf(buf + pos, bufsz - pos, 1299 "beacon_rssi_a:\t\t%u\t\t\t%u\n", 1300 le32_to_cpu(general->beacon_rssi_a), 1301 accum_general->beacon_rssi_a); 1302 pos += scnprintf(buf + pos, bufsz - pos, 1303 "beacon_rssi_b:\t\t%u\t\t\t%u\n", 1304 le32_to_cpu(general->beacon_rssi_b), 1305 accum_general->beacon_rssi_b); 1306 pos += scnprintf(buf + pos, bufsz - pos, 1307 "beacon_rssi_c:\t\t%u\t\t\t%u\n", 1308 le32_to_cpu(general->beacon_rssi_c), 1309 accum_general->beacon_rssi_c); 1310 pos += scnprintf(buf + pos, bufsz - pos, 1311 "beacon_energy_a:\t%u\t\t\t%u\n", 1312 le32_to_cpu(general->beacon_energy_a), 1313 accum_general->beacon_energy_a); 1314 pos += scnprintf(buf + pos, bufsz - pos, 1315 "beacon_energy_b:\t%u\t\t\t%u\n", 1316 le32_to_cpu(general->beacon_energy_b), 1317 accum_general->beacon_energy_b); 1318 pos += scnprintf(buf + pos, bufsz - pos, 1319 "beacon_energy_c:\t%u\t\t\t%u\n", 1320 le32_to_cpu(general->beacon_energy_c), 1321 accum_general->beacon_energy_c); 1322 1323 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); 1324 pos += scnprintf(buf + pos, bufsz - pos, 1325 "\t\t\tcurrent\t\t\taccumulative\n"); 1326 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1327 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err); 1328 pos += scnprintf(buf + pos, bufsz - pos, 1329 "overrun_err:\t\t%u\t\t\t%u\n", 1330 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err); 1331 pos += scnprintf(buf + pos, bufsz - pos, 1332 "early_overrun_err:\t%u\t\t\t%u\n", 1333 le32_to_cpu(ht->early_overrun_err), 1334 accum_ht->early_overrun_err); 1335 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1336 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good); 1337 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1338 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err); 1339 pos += scnprintf(buf + pos, bufsz - pos, 1340 "mh_format_err:\t\t%u\t\t\t%u\n", 1341 le32_to_cpu(ht->mh_format_err), 1342 accum_ht->mh_format_err); 1343 pos += scnprintf(buf + pos, bufsz - pos, 1344 "agg_crc32_good:\t\t%u\t\t\t%u\n", 1345 le32_to_cpu(ht->agg_crc32_good), 1346 accum_ht->agg_crc32_good); 1347 pos += scnprintf(buf + pos, bufsz - pos, 1348 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n", 1349 le32_to_cpu(ht->agg_mpdu_cnt), 1350 accum_ht->agg_mpdu_cnt); 1351 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n", 1352 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt); 1353 1354 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1355 kfree(buf); 1356 return ret; 1357} 1358 1359static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1360 char __user *user_buf, 1361 size_t count, loff_t *ppos) 1362{ 1363 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1364 int pos = 0; 1365 char *buf; 1366 int bufsz = (sizeof(struct statistics_tx) * 24) + 250; 1367 ssize_t ret; 1368 struct statistics_tx *tx, *accum_tx; 1369 1370 if (!iwl_is_alive(priv)) 1371 return -EAGAIN; 1372 1373 /* make request to uCode to retrieve statistics information */ 1374 mutex_lock(&priv->mutex); 1375 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1376 mutex_unlock(&priv->mutex); 1377 1378 if (ret) { 1379 IWL_ERR(priv, 1380 "Error sending statistics request: %zd\n", ret); 1381 return -EAGAIN; 1382 } 1383 buf = kzalloc(bufsz, GFP_KERNEL); 1384 if (!buf) { 1385 IWL_ERR(priv, "Can not allocate Buffer\n"); 1386 return -ENOMEM; 1387 } 1388 1389 /* the statistic information display here is based on 1390 * the last statistics notification from uCode 1391 * might not reflect the current uCode activity 1392 */ 1393 tx = &priv->statistics.tx; 1394 accum_tx = &priv->accum_statistics.tx; 1395 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1396 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n"); 1397 pos += scnprintf(buf + pos, bufsz - pos, 1398 "\t\t\tcurrent\t\t\taccumulative\n"); 1399 pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n", 1400 le32_to_cpu(tx->preamble_cnt), 1401 accum_tx->preamble_cnt); 1402 pos += scnprintf(buf + pos, bufsz - pos, 1403 "rx_detected_cnt:\t\t%u\t\t\t%u\n", 1404 le32_to_cpu(tx->rx_detected_cnt), 1405 accum_tx->rx_detected_cnt); 1406 pos += scnprintf(buf + pos, bufsz - pos, 1407 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n", 1408 le32_to_cpu(tx->bt_prio_defer_cnt), 1409 accum_tx->bt_prio_defer_cnt); 1410 pos += scnprintf(buf + pos, bufsz - pos, 1411 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n", 1412 le32_to_cpu(tx->bt_prio_kill_cnt), 1413 accum_tx->bt_prio_kill_cnt); 1414 pos += scnprintf(buf + pos, bufsz - pos, 1415 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n", 1416 le32_to_cpu(tx->few_bytes_cnt), 1417 accum_tx->few_bytes_cnt); 1418 pos += scnprintf(buf + pos, bufsz - pos, 1419 "cts_timeout:\t\t\t%u\t\t\t%u\n", 1420 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout); 1421 pos += scnprintf(buf + pos, bufsz - pos, 1422 "ack_timeout:\t\t\t%u\t\t\t%u\n", 1423 le32_to_cpu(tx->ack_timeout), 1424 accum_tx->ack_timeout); 1425 pos += scnprintf(buf + pos, bufsz - pos, 1426 "expected_ack_cnt:\t\t%u\t\t\t%u\n", 1427 le32_to_cpu(tx->expected_ack_cnt), 1428 accum_tx->expected_ack_cnt); 1429 pos += scnprintf(buf + pos, bufsz - pos, 1430 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n", 1431 le32_to_cpu(tx->actual_ack_cnt), 1432 accum_tx->actual_ack_cnt); 1433 pos += scnprintf(buf + pos, bufsz - pos, 1434 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n", 1435 le32_to_cpu(tx->dump_msdu_cnt), 1436 accum_tx->dump_msdu_cnt); 1437 pos += scnprintf(buf + pos, bufsz - pos, 1438 "abort_nxt_frame_mismatch:" 1439 "\t%u\t\t\t%u\n", 1440 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1441 accum_tx->burst_abort_next_frame_mismatch_cnt); 1442 pos += scnprintf(buf + pos, bufsz - pos, 1443 "abort_missing_nxt_frame:" 1444 "\t%u\t\t\t%u\n", 1445 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1446 accum_tx->burst_abort_missing_next_frame_cnt); 1447 pos += scnprintf(buf + pos, bufsz - pos, 1448 "cts_timeout_collision:\t\t%u\t\t\t%u\n", 1449 le32_to_cpu(tx->cts_timeout_collision), 1450 accum_tx->cts_timeout_collision); 1451 pos += scnprintf(buf + pos, bufsz - pos, 1452 "ack_ba_timeout_collision:\t%u\t\t\t%u\n", 1453 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1454 accum_tx->ack_or_ba_timeout_collision); 1455 pos += scnprintf(buf + pos, bufsz - pos, 1456 "agg ba_timeout:\t\t\t%u\t\t\t%u\n", 1457 le32_to_cpu(tx->agg.ba_timeout), 1458 accum_tx->agg.ba_timeout); 1459 pos += scnprintf(buf + pos, bufsz - pos, 1460 "agg ba_resched_frames:\t\t%u\t\t\t%u\n", 1461 le32_to_cpu(tx->agg.ba_reschedule_frames), 1462 accum_tx->agg.ba_reschedule_frames); 1463 pos += scnprintf(buf + pos, bufsz - pos, 1464 "agg scd_query_agg_frame:\t%u\t\t\t%u\n", 1465 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1466 accum_tx->agg.scd_query_agg_frame_cnt); 1467 pos += scnprintf(buf + pos, bufsz - pos, 1468 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n", 1469 le32_to_cpu(tx->agg.scd_query_no_agg), 1470 accum_tx->agg.scd_query_no_agg); 1471 pos += scnprintf(buf + pos, bufsz - pos, 1472 "agg scd_query_agg:\t\t%u\t\t\t%u\n", 1473 le32_to_cpu(tx->agg.scd_query_agg), 1474 accum_tx->agg.scd_query_agg); 1475 pos += scnprintf(buf + pos, bufsz - pos, 1476 "agg scd_query_mismatch:\t\t%u\t\t\t%u\n", 1477 le32_to_cpu(tx->agg.scd_query_mismatch), 1478 accum_tx->agg.scd_query_mismatch); 1479 pos += scnprintf(buf + pos, bufsz - pos, 1480 "agg frame_not_ready:\t\t%u\t\t\t%u\n", 1481 le32_to_cpu(tx->agg.frame_not_ready), 1482 accum_tx->agg.frame_not_ready); 1483 pos += scnprintf(buf + pos, bufsz - pos, 1484 "agg underrun:\t\t\t%u\t\t\t%u\n", 1485 le32_to_cpu(tx->agg.underrun), 1486 accum_tx->agg.underrun); 1487 pos += scnprintf(buf + pos, bufsz - pos, 1488 "agg bt_prio_kill:\t\t%u\t\t\t%u\n", 1489 le32_to_cpu(tx->agg.bt_prio_kill), 1490 accum_tx->agg.bt_prio_kill); 1491 pos += scnprintf(buf + pos, bufsz - pos, 1492 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n", 1493 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1494 accum_tx->agg.rx_ba_rsp_cnt); 1495 1496 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1497 kfree(buf); 1498 return ret; 1499} 1500 1501static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1502 char __user *user_buf, 1503 size_t count, loff_t *ppos) 1504{ 1505 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1506 int pos = 0; 1507 char *buf; 1508 int bufsz = sizeof(struct statistics_general) * 4 + 250; 1509 ssize_t ret; 1510 struct statistics_general *general, *accum_general; 1511 struct statistics_dbg *dbg, *accum_dbg; 1512 struct statistics_div *div, *accum_div; 1513 1514 if (!iwl_is_alive(priv)) 1515 return -EAGAIN; 1516 1517 /* make request to uCode to retrieve statistics information */ 1518 mutex_lock(&priv->mutex); 1519 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1520 mutex_unlock(&priv->mutex); 1521 1522 if (ret) { 1523 IWL_ERR(priv, 1524 "Error sending statistics request: %zd\n", ret); 1525 return -EAGAIN; 1526 } 1527 buf = kzalloc(bufsz, GFP_KERNEL); 1528 if (!buf) { 1529 IWL_ERR(priv, "Can not allocate Buffer\n"); 1530 return -ENOMEM; 1531 } 1532 1533 /* the statistic information display here is based on 1534 * the last statistics notification from uCode 1535 * might not reflect the current uCode activity 1536 */ 1537 general = &priv->statistics.general; 1538 dbg = &priv->statistics.general.dbg; 1539 div = &priv->statistics.general.div; 1540 accum_general = &priv->accum_statistics.general; 1541 accum_dbg = &priv->accum_statistics.general.dbg; 1542 accum_div = &priv->accum_statistics.general.div; 1543 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1544 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n"); 1545 pos += scnprintf(buf + pos, bufsz - pos, 1546 "\t\t\tcurrent\t\t\taccumulative\n"); 1547 pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n", 1548 le32_to_cpu(general->temperature)); 1549 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n", 1550 le32_to_cpu(general->temperature_m)); 1551 pos += scnprintf(buf + pos, bufsz - pos, 1552 "burst_check:\t\t\t%u\t\t\t%u\n", 1553 le32_to_cpu(dbg->burst_check), 1554 accum_dbg->burst_check); 1555 pos += scnprintf(buf + pos, bufsz - pos, 1556 "burst_count:\t\t\t%u\t\t\t%u\n", 1557 le32_to_cpu(dbg->burst_count), 1558 accum_dbg->burst_count); 1559 pos += scnprintf(buf + pos, bufsz - pos, 1560 "sleep_time:\t\t\t%u\t\t\t%u\n", 1561 le32_to_cpu(general->sleep_time), 1562 accum_general->sleep_time); 1563 pos += scnprintf(buf + pos, bufsz - pos, 1564 "slots_out:\t\t\t%u\t\t\t%u\n", 1565 le32_to_cpu(general->slots_out), 1566 accum_general->slots_out); 1567 pos += scnprintf(buf + pos, bufsz - pos, 1568 "slots_idle:\t\t\t%u\t\t\t%u\n", 1569 le32_to_cpu(general->slots_idle), 1570 accum_general->slots_idle); 1571 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", 1572 le32_to_cpu(general->ttl_timestamp)); 1573 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n", 1574 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a); 1575 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n", 1576 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b); 1577 pos += scnprintf(buf + pos, bufsz - pos, 1578 "exec_time:\t\t\t%u\t\t\t%u\n", 1579 le32_to_cpu(div->exec_time), accum_div->exec_time); 1580 pos += scnprintf(buf + pos, bufsz - pos, 1581 "probe_time:\t\t\t%u\t\t\t%u\n", 1582 le32_to_cpu(div->probe_time), accum_div->probe_time); 1583 pos += scnprintf(buf + pos, bufsz - pos, 1584 "rx_enable_counter:\t\t%u\t\t\t%u\n", 1585 le32_to_cpu(general->rx_enable_counter), 1586 accum_general->rx_enable_counter); 1587 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1588 kfree(buf); 1589 return ret; 1590} 1591 1592static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1593 char __user *user_buf, 1594 size_t count, loff_t *ppos) { 1595 1596 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1597 int pos = 0; 1598 int cnt = 0; 1599 char *buf; 1600 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1601 ssize_t ret; 1602 struct iwl_sensitivity_data *data; 1603 1604 data = &priv->sensitivity_data; 1605 buf = kzalloc(bufsz, GFP_KERNEL); 1606 if (!buf) { 1607 IWL_ERR(priv, "Can not allocate Buffer\n"); 1608 return -ENOMEM; 1609 } 1610 1611 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1612 data->auto_corr_ofdm); 1613 pos += scnprintf(buf + pos, bufsz - pos, 1614 "auto_corr_ofdm_mrc:\t\t %u\n", 1615 data->auto_corr_ofdm_mrc); 1616 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1617 data->auto_corr_ofdm_x1); 1618 pos += scnprintf(buf + pos, bufsz - pos, 1619 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1620 data->auto_corr_ofdm_mrc_x1); 1621 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1622 data->auto_corr_cck); 1623 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1624 data->auto_corr_cck_mrc); 1625 pos += scnprintf(buf + pos, bufsz - pos, 1626 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1627 data->last_bad_plcp_cnt_ofdm); 1628 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1629 data->last_fa_cnt_ofdm); 1630 pos += scnprintf(buf + pos, bufsz - pos, 1631 "last_bad_plcp_cnt_cck:\t\t %u\n", 1632 data->last_bad_plcp_cnt_cck); 1633 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1634 data->last_fa_cnt_cck); 1635 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1636 data->nrg_curr_state); 1637 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1638 data->nrg_prev_state); 1639 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1640 for (cnt = 0; cnt < 10; cnt++) { 1641 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1642 data->nrg_value[cnt]); 1643 } 1644 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1645 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1646 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1647 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1648 data->nrg_silence_rssi[cnt]); 1649 } 1650 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1651 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1652 data->nrg_silence_ref); 1653 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1654 data->nrg_energy_idx); 1655 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1656 data->nrg_silence_idx); 1657 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1658 data->nrg_th_cck); 1659 pos += scnprintf(buf + pos, bufsz - pos, 1660 "nrg_auto_corr_silence_diff:\t %u\n", 1661 data->nrg_auto_corr_silence_diff); 1662 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1663 data->num_in_cck_no_fa); 1664 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1665 data->nrg_th_ofdm); 1666 1667 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1668 kfree(buf); 1669 return ret; 1670} 1671 1672 1673static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1674 char __user *user_buf, 1675 size_t count, loff_t *ppos) { 1676 1677 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1678 int pos = 0; 1679 int cnt = 0; 1680 char *buf; 1681 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1682 ssize_t ret; 1683 struct iwl_chain_noise_data *data; 1684 1685 data = &priv->chain_noise_data; 1686 buf = kzalloc(bufsz, GFP_KERNEL); 1687 if (!buf) { 1688 IWL_ERR(priv, "Can not allocate Buffer\n"); 1689 return -ENOMEM; 1690 } 1691 1692 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1693 data->active_chains); 1694 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1695 data->chain_noise_a); 1696 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1697 data->chain_noise_b); 1698 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1699 data->chain_noise_c); 1700 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1701 data->chain_signal_a); 1702 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1703 data->chain_signal_b); 1704 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1705 data->chain_signal_c); 1706 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1707 data->beacon_count); 1708 1709 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1710 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1711 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1712 data->disconn_array[cnt]); 1713 } 1714 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1715 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1716 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1717 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1718 data->delta_gain_code[cnt]); 1719 } 1720 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1721 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1722 data->radio_write); 1723 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1724 data->state); 1725 1726 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1727 kfree(buf); 1728 return ret; 1729} 1730 1731static ssize_t iwl_dbgfs_tx_power_read(struct file *file, 1732 char __user *user_buf, 1733 size_t count, loff_t *ppos) { 1734 1735 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1736 char buf[128]; 1737 int pos = 0; 1738 ssize_t ret; 1739 const size_t bufsz = sizeof(buf); 1740 struct statistics_tx *tx; 1741 1742 if (!iwl_is_alive(priv)) 1743 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1744 else { 1745 /* make request to uCode to retrieve statistics information */ 1746 mutex_lock(&priv->mutex); 1747 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1748 mutex_unlock(&priv->mutex); 1749 1750 if (ret) { 1751 IWL_ERR(priv, "Error sending statistics request: %zd\n", 1752 ret); 1753 return -EAGAIN; 1754 } 1755 tx = &priv->statistics.tx; 1756 if (tx->tx_power.ant_a || 1757 tx->tx_power.ant_b || 1758 tx->tx_power.ant_c) { 1759 pos += scnprintf(buf + pos, bufsz - pos, 1760 "tx power: (1/2 dB step)\n"); 1761 if ((priv->cfg->valid_tx_ant & ANT_A) && 1762 tx->tx_power.ant_a) 1763 pos += scnprintf(buf + pos, bufsz - pos, 1764 "\tantenna A: 0x%X\n", 1765 tx->tx_power.ant_a); 1766 if ((priv->cfg->valid_tx_ant & ANT_B) && 1767 tx->tx_power.ant_b) 1768 pos += scnprintf(buf + pos, bufsz - pos, 1769 "\tantenna B: 0x%X\n", 1770 tx->tx_power.ant_b); 1771 if ((priv->cfg->valid_tx_ant & ANT_C) && 1772 tx->tx_power.ant_c) 1773 pos += scnprintf(buf + pos, bufsz - pos, 1774 "\tantenna C: 0x%X\n", 1775 tx->tx_power.ant_c); 1776 } else 1777 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1778 } 1779 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1780} 1781 1782static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1783 char __user *user_buf, 1784 size_t count, loff_t *ppos) 1785{ 1786 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1787 char buf[60]; 1788 int pos = 0; 1789 const size_t bufsz = sizeof(buf); 1790 u32 pwrsave_status; 1791 1792 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & 1793 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1794 1795 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1796 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1797 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1798 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1799 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1800 "error"); 1801 1802 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1803} 1804 1805static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1806 const char __user *user_buf, 1807 size_t count, loff_t *ppos) 1808{ 1809 struct iwl_priv *priv = file->private_data; 1810 char buf[8]; 1811 int buf_size; 1812 int clear; 1813 1814 memset(buf, 0, sizeof(buf)); 1815 buf_size = min(count, sizeof(buf) - 1); 1816 if (copy_from_user(buf, user_buf, buf_size)) 1817 return -EFAULT; 1818 if (sscanf(buf, "%d", &clear) != 1) 1819 return -EFAULT; 1820 1821 /* make request to uCode to retrieve statistics information */ 1822 mutex_lock(&priv->mutex); 1823 iwl_send_statistics_request(priv, CMD_SYNC, true); 1824 mutex_unlock(&priv->mutex); 1825 1826 return count; 1827} 1828 1829DEBUGFS_READ_FILE_OPS(rx_statistics); 1830DEBUGFS_READ_FILE_OPS(tx_statistics); 1831DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 1832DEBUGFS_READ_FILE_OPS(rx_queue); 1833DEBUGFS_READ_FILE_OPS(tx_queue); 1834DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 1835DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 1836DEBUGFS_READ_FILE_OPS(ucode_general_stats); 1837DEBUGFS_READ_FILE_OPS(sensitivity); 1838DEBUGFS_READ_FILE_OPS(chain_noise); 1839DEBUGFS_READ_FILE_OPS(tx_power); 1840DEBUGFS_READ_FILE_OPS(power_save_status); 1841DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 1842DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 1843 1844/* 1845 * Create the debugfs files and directories 1846 * 1847 */ 1848int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 1849{ 1850 struct iwl_debugfs *dbgfs; 1851 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 1852 int ret = 0; 1853 1854 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL); 1855 if (!dbgfs) { 1856 ret = -ENOMEM; 1857 goto err; 1858 } 1859 1860 priv->dbgfs = dbgfs; 1861 dbgfs->name = name; 1862 dbgfs->dir_drv = debugfs_create_dir(name, phyd); 1863 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) { 1864 ret = -ENOENT; 1865 goto err; 1866 } 1867 1868 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv); 1869 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv); 1870 DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv); 1871 DEBUGFS_ADD_FILE(nvm, data, S_IRUSR); 1872 DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR); 1873 DEBUGFS_ADD_FILE(log_event, data, S_IWUSR); 1874 DEBUGFS_ADD_FILE(stations, data, S_IRUSR); 1875 DEBUGFS_ADD_FILE(channels, data, S_IRUSR); 1876 DEBUGFS_ADD_FILE(status, data, S_IRUSR); 1877 DEBUGFS_ADD_FILE(interrupt, data, S_IWUSR | S_IRUSR); 1878 DEBUGFS_ADD_FILE(qos, data, S_IRUSR); 1879 DEBUGFS_ADD_FILE(led, data, S_IRUSR); 1880 DEBUGFS_ADD_FILE(sleep_level_override, data, S_IWUSR | S_IRUSR); 1881 DEBUGFS_ADD_FILE(current_sleep_command, data, S_IRUSR); 1882 DEBUGFS_ADD_FILE(thermal_throttling, data, S_IRUSR); 1883 DEBUGFS_ADD_FILE(disable_ht40, data, S_IWUSR | S_IRUSR); 1884 DEBUGFS_ADD_FILE(rx_statistics, debug, S_IRUSR); 1885 DEBUGFS_ADD_FILE(tx_statistics, debug, S_IRUSR); 1886 DEBUGFS_ADD_FILE(traffic_log, debug, S_IWUSR | S_IRUSR); 1887 DEBUGFS_ADD_FILE(rx_queue, debug, S_IRUSR); 1888 DEBUGFS_ADD_FILE(tx_queue, debug, S_IRUSR); 1889 DEBUGFS_ADD_FILE(tx_power, debug, S_IRUSR); 1890 DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR); 1891 DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR); 1892 DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR); 1893 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 1894 DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR); 1895 DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR); 1896 DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR); 1897 DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR); 1898 DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR); 1899 } 1900 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); 1901 DEBUGFS_ADD_BOOL(disable_chain_noise, rf, 1902 &priv->disable_chain_noise_cal); 1903 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 1904 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 1905 DEBUGFS_ADD_BOOL(disable_tx_power, rf, 1906 &priv->disable_tx_power_cal); 1907 return 0; 1908 1909err: 1910 IWL_ERR(priv, "Can't open the debugfs directory\n"); 1911 iwl_dbgfs_unregister(priv); 1912 return ret; 1913} 1914EXPORT_SYMBOL(iwl_dbgfs_register); 1915 1916/** 1917 * Remove the debugfs files and directories 1918 * 1919 */ 1920void iwl_dbgfs_unregister(struct iwl_priv *priv) 1921{ 1922 if (!priv->dbgfs) 1923 return; 1924 1925 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override); 1926 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command); 1927 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm); 1928 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram); 1929 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event); 1930 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations); 1931 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels); 1932 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status); 1933 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt); 1934 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos); 1935 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led); 1936 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling); 1937 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40); 1938 DEBUGFS_REMOVE(priv->dbgfs->dir_data); 1939 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics); 1940 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics); 1941 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log); 1942 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue); 1943 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue); 1944 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power); 1945 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status); 1946 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1947 file_clear_ucode_statistics); 1948 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1949 file_clear_traffic_statistics); 1950 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 1951 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1952 file_ucode_rx_stats); 1953 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1954 file_ucode_tx_stats); 1955 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1956 file_ucode_general_stats); 1957 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1958 file_sensitivity); 1959 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1960 file_chain_noise); 1961 } 1962 DEBUGFS_REMOVE(priv->dbgfs->dir_debug); 1963 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); 1964 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise); 1965 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 1966 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 1967 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power); 1968 DEBUGFS_REMOVE(priv->dbgfs->dir_rf); 1969 DEBUGFS_REMOVE(priv->dbgfs->dir_drv); 1970 kfree(priv->dbgfs); 1971 priv->dbgfs = NULL; 1972} 1973EXPORT_SYMBOL(iwl_dbgfs_unregister); 1974 1975 1976 1977