iwl-debugfs.c revision c09430abed4159e5c56aaea257d040f7452daba6
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) do { \ 51 dbgfs->dbgfs_##parent##_files.file_##name = \ 52 debugfs_create_file(#name, S_IWUSR | S_IRUSR, \ 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 + sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX); 135 buf = kzalloc(bufsz, GFP_KERNEL); 136 if (!buf) 137 return -ENOMEM; 138 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 139 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 140 pos += scnprintf(buf + pos, bufsz - pos, 141 "\t%s\t\t: %u\n", 142 get_mgmt_string(cnt), 143 priv->tx_stats.mgmt[cnt]); 144 } 145 pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); 146 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 147 pos += scnprintf(buf + pos, bufsz - pos, 148 "\t%s\t\t: %u\n", 149 get_ctrl_string(cnt), 150 priv->tx_stats.ctrl[cnt]); 151 } 152 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 153 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 154 priv->tx_stats.data_cnt); 155 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 156 priv->tx_stats.data_bytes); 157 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 158 kfree(buf); 159 return ret; 160} 161 162static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file, 163 const char __user *user_buf, 164 size_t count, loff_t *ppos) 165{ 166 struct iwl_priv *priv = file->private_data; 167 u32 clear_flag; 168 char buf[8]; 169 int buf_size; 170 171 memset(buf, 0, sizeof(buf)); 172 buf_size = min(count, sizeof(buf) - 1); 173 if (copy_from_user(buf, user_buf, buf_size)) 174 return -EFAULT; 175 if (sscanf(buf, "%x", &clear_flag) != 1) 176 return -EFAULT; 177 if (clear_flag == 1) 178 iwl_clear_tx_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) * 24 * (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%s\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%s\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 223static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file, 224 const char __user *user_buf, 225 size_t count, loff_t *ppos) 226{ 227 struct iwl_priv *priv = file->private_data; 228 u32 clear_flag; 229 char buf[8]; 230 int buf_size; 231 232 memset(buf, 0, sizeof(buf)); 233 buf_size = min(count, sizeof(buf) - 1); 234 if (copy_from_user(buf, user_buf, buf_size)) 235 return -EFAULT; 236 if (sscanf(buf, "%x", &clear_flag) != 1) 237 return -EFAULT; 238 if (clear_flag == 1) 239 iwl_clear_rx_stats(priv); 240 return count; 241} 242 243#define BYTE1_MASK 0x000000ff; 244#define BYTE2_MASK 0x0000ffff; 245#define BYTE3_MASK 0x00ffffff; 246static ssize_t iwl_dbgfs_sram_read(struct file *file, 247 char __user *user_buf, 248 size_t count, loff_t *ppos) 249{ 250 u32 val; 251 char buf[1024]; 252 ssize_t ret; 253 int i; 254 int pos = 0; 255 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 256 const size_t bufsz = sizeof(buf); 257 258 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) { 259 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \ 260 priv->dbgfs->sram_len - i); 261 if (i < 4) { 262 switch (i) { 263 case 1: 264 val &= BYTE1_MASK; 265 break; 266 case 2: 267 val &= BYTE2_MASK; 268 break; 269 case 3: 270 val &= BYTE3_MASK; 271 break; 272 } 273 } 274 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); 275 } 276 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 277 278 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 279 return ret; 280} 281 282static ssize_t iwl_dbgfs_sram_write(struct file *file, 283 const char __user *user_buf, 284 size_t count, loff_t *ppos) 285{ 286 struct iwl_priv *priv = file->private_data; 287 char buf[64]; 288 int buf_size; 289 u32 offset, len; 290 291 memset(buf, 0, sizeof(buf)); 292 buf_size = min(count, sizeof(buf) - 1); 293 if (copy_from_user(buf, user_buf, buf_size)) 294 return -EFAULT; 295 296 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 297 priv->dbgfs->sram_offset = offset; 298 priv->dbgfs->sram_len = len; 299 } else { 300 priv->dbgfs->sram_offset = 0; 301 priv->dbgfs->sram_len = 0; 302 } 303 304 return count; 305} 306 307static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 308 size_t count, loff_t *ppos) 309{ 310 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 311 struct iwl_station_entry *station; 312 int max_sta = priv->hw_params.max_stations; 313 char *buf; 314 int i, j, pos = 0; 315 ssize_t ret; 316 /* Add 30 for initial string */ 317 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 318 319 buf = kmalloc(bufsz, GFP_KERNEL); 320 if (!buf) 321 return -ENOMEM; 322 323 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 324 priv->num_stations); 325 326 for (i = 0; i < max_sta; i++) { 327 station = &priv->stations[i]; 328 if (station->used) { 329 pos += scnprintf(buf + pos, bufsz - pos, 330 "station %d:\ngeneral data:\n", i+1); 331 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", 332 station->sta.sta.sta_id); 333 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", 334 station->sta.mode); 335 pos += scnprintf(buf + pos, bufsz - pos, 336 "flags: 0x%x\n", 337 station->sta.station_flags_msk); 338 pos += scnprintf(buf + pos, bufsz - pos, 339 "ps_status: %u\n", station->ps_status); 340 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); 341 pos += scnprintf(buf + pos, bufsz - pos, 342 "seq_num\t\ttxq_id"); 343 pos += scnprintf(buf + pos, bufsz - pos, 344 "\tframe_count\twait_for_ba\t"); 345 pos += scnprintf(buf + pos, bufsz - pos, 346 "start_idx\tbitmap0\t"); 347 pos += scnprintf(buf + pos, bufsz - pos, 348 "bitmap1\trate_n_flags"); 349 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 350 351 for (j = 0; j < MAX_TID_COUNT; j++) { 352 pos += scnprintf(buf + pos, bufsz - pos, 353 "[%d]:\t\t%u", j, 354 station->tid[j].seq_number); 355 pos += scnprintf(buf + pos, bufsz - pos, 356 "\t%u\t\t%u\t\t%u\t\t", 357 station->tid[j].agg.txq_id, 358 station->tid[j].agg.frame_count, 359 station->tid[j].agg.wait_for_ba); 360 pos += scnprintf(buf + pos, bufsz - pos, 361 "%u\t%llu\t%u", 362 station->tid[j].agg.start_idx, 363 (unsigned long long)station->tid[j].agg.bitmap, 364 station->tid[j].agg.rate_n_flags); 365 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 366 } 367 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 368 } 369 } 370 371 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 372 kfree(buf); 373 return ret; 374} 375 376static ssize_t iwl_dbgfs_nvm_read(struct file *file, 377 char __user *user_buf, 378 size_t count, 379 loff_t *ppos) 380{ 381 ssize_t ret; 382 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 383 int pos = 0, ofs = 0, buf_size = 0; 384 const u8 *ptr; 385 char *buf; 386 u16 eeprom_ver; 387 size_t eeprom_len = priv->cfg->eeprom_size; 388 buf_size = 4 * eeprom_len + 256; 389 390 if (eeprom_len % 16) { 391 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 392 return -ENODATA; 393 } 394 395 ptr = priv->eeprom; 396 if (!ptr) { 397 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 398 return -ENOMEM; 399 } 400 401 /* 4 characters for byte 0xYY */ 402 buf = kzalloc(buf_size, GFP_KERNEL); 403 if (!buf) { 404 IWL_ERR(priv, "Can not allocate Buffer\n"); 405 return -ENOMEM; 406 } 407 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); 408 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 409 "version: 0x%x\n", 410 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) 411 ? "OTP" : "EEPROM", eeprom_ver); 412 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 413 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 414 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 415 buf_size - pos, 0); 416 pos += strlen(buf + pos); 417 if (buf_size - pos > 0) 418 buf[pos++] = '\n'; 419 } 420 421 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 422 kfree(buf); 423 return ret; 424} 425 426static ssize_t iwl_dbgfs_log_event_write(struct file *file, 427 const char __user *user_buf, 428 size_t count, loff_t *ppos) 429{ 430 struct iwl_priv *priv = file->private_data; 431 u32 event_log_flag; 432 char buf[8]; 433 int buf_size; 434 435 memset(buf, 0, sizeof(buf)); 436 buf_size = min(count, sizeof(buf) - 1); 437 if (copy_from_user(buf, user_buf, buf_size)) 438 return -EFAULT; 439 if (sscanf(buf, "%d", &event_log_flag) != 1) 440 return -EFAULT; 441 if (event_log_flag == 1) 442 priv->cfg->ops->lib->dump_nic_event_log(priv); 443 444 return count; 445} 446 447 448 449static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 450 size_t count, loff_t *ppos) 451{ 452 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 453 struct ieee80211_channel *channels = NULL; 454 const struct ieee80211_supported_band *supp_band = NULL; 455 int pos = 0, i, bufsz = PAGE_SIZE; 456 char *buf; 457 ssize_t ret; 458 459 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) 460 return -EAGAIN; 461 462 buf = kzalloc(bufsz, GFP_KERNEL); 463 if (!buf) { 464 IWL_ERR(priv, "Can not allocate Buffer\n"); 465 return -ENOMEM; 466 } 467 468 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 469 if (supp_band) { 470 channels = supp_band->channels; 471 472 pos += scnprintf(buf + pos, bufsz - pos, 473 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 474 supp_band->n_channels); 475 476 for (i = 0; i < supp_band->n_channels; i++) 477 pos += scnprintf(buf + pos, bufsz - pos, 478 "%d: %ddBm: BSS%s%s, %s.\n", 479 ieee80211_frequency_to_channel( 480 channels[i].center_freq), 481 channels[i].max_power, 482 channels[i].flags & IEEE80211_CHAN_RADAR ? 483 " (IEEE 802.11h required)" : "", 484 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 485 || (channels[i].flags & 486 IEEE80211_CHAN_RADAR)) ? "" : 487 ", IBSS", 488 channels[i].flags & 489 IEEE80211_CHAN_PASSIVE_SCAN ? 490 "passive only" : "active/passive"); 491 } 492 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 493 if (supp_band) { 494 channels = supp_band->channels; 495 496 pos += scnprintf(buf + pos, bufsz - pos, 497 "Displaying %d channels in 5.2GHz band (802.11a)\n", 498 supp_band->n_channels); 499 500 for (i = 0; i < supp_band->n_channels; i++) 501 pos += scnprintf(buf + pos, bufsz - pos, 502 "%d: %ddBm: BSS%s%s, %s.\n", 503 ieee80211_frequency_to_channel( 504 channels[i].center_freq), 505 channels[i].max_power, 506 channels[i].flags & IEEE80211_CHAN_RADAR ? 507 " (IEEE 802.11h required)" : "", 508 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 509 || (channels[i].flags & 510 IEEE80211_CHAN_RADAR)) ? "" : 511 ", IBSS", 512 channels[i].flags & 513 IEEE80211_CHAN_PASSIVE_SCAN ? 514 "passive only" : "active/passive"); 515 } 516 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 517 kfree(buf); 518 return ret; 519} 520 521static ssize_t iwl_dbgfs_status_read(struct file *file, 522 char __user *user_buf, 523 size_t count, loff_t *ppos) { 524 525 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 526 char buf[512]; 527 int pos = 0; 528 const size_t bufsz = sizeof(buf); 529 530 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 531 test_bit(STATUS_HCMD_ACTIVE, &priv->status)); 532 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n", 533 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)); 534 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 535 test_bit(STATUS_INT_ENABLED, &priv->status)); 536 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 537 test_bit(STATUS_RF_KILL_HW, &priv->status)); 538 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 539 test_bit(STATUS_CT_KILL, &priv->status)); 540 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 541 test_bit(STATUS_INIT, &priv->status)); 542 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 543 test_bit(STATUS_ALIVE, &priv->status)); 544 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 545 test_bit(STATUS_READY, &priv->status)); 546 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 547 test_bit(STATUS_TEMPERATURE, &priv->status)); 548 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 549 test_bit(STATUS_GEO_CONFIGURED, &priv->status)); 550 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 551 test_bit(STATUS_EXIT_PENDING, &priv->status)); 552 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 553 test_bit(STATUS_STATISTICS, &priv->status)); 554 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 555 test_bit(STATUS_SCANNING, &priv->status)); 556 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 557 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 558 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 559 test_bit(STATUS_SCAN_HW, &priv->status)); 560 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 561 test_bit(STATUS_POWER_PMI, &priv->status)); 562 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 563 test_bit(STATUS_FW_ERROR, &priv->status)); 564 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", 565 test_bit(STATUS_MODE_PENDING, &priv->status)); 566 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 567} 568 569static ssize_t iwl_dbgfs_interrupt_read(struct file *file, 570 char __user *user_buf, 571 size_t count, loff_t *ppos) { 572 573 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 574 int pos = 0; 575 int cnt = 0; 576 char *buf; 577 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 578 ssize_t ret; 579 580 buf = kzalloc(bufsz, GFP_KERNEL); 581 if (!buf) { 582 IWL_ERR(priv, "Can not allocate Buffer\n"); 583 return -ENOMEM; 584 } 585 586 pos += scnprintf(buf + pos, bufsz - pos, 587 "Interrupt Statistics Report:\n"); 588 589 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", 590 priv->isr_stats.hw); 591 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", 592 priv->isr_stats.sw); 593 if (priv->isr_stats.sw > 0) { 594 pos += scnprintf(buf + pos, bufsz - pos, 595 "\tLast Restarting Code: 0x%X\n", 596 priv->isr_stats.sw_err); 597 } 598#ifdef CONFIG_IWLWIFI_DEBUG 599 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", 600 priv->isr_stats.sch); 601 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", 602 priv->isr_stats.alive); 603#endif 604 pos += scnprintf(buf + pos, bufsz - pos, 605 "HW RF KILL switch toggled:\t %u\n", 606 priv->isr_stats.rfkill); 607 608 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", 609 priv->isr_stats.ctkill); 610 611 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", 612 priv->isr_stats.wakeup); 613 614 pos += scnprintf(buf + pos, bufsz - pos, 615 "Rx command responses:\t\t %u\n", 616 priv->isr_stats.rx); 617 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 618 if (priv->isr_stats.rx_handlers[cnt] > 0) 619 pos += scnprintf(buf + pos, bufsz - pos, 620 "\tRx handler[%36s]:\t\t %u\n", 621 get_cmd_string(cnt), 622 priv->isr_stats.rx_handlers[cnt]); 623 } 624 625 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", 626 priv->isr_stats.tx); 627 628 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", 629 priv->isr_stats.unhandled); 630 631 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 632 kfree(buf); 633 return ret; 634} 635 636static ssize_t iwl_dbgfs_interrupt_write(struct file *file, 637 const char __user *user_buf, 638 size_t count, loff_t *ppos) 639{ 640 struct iwl_priv *priv = file->private_data; 641 char buf[8]; 642 int buf_size; 643 u32 reset_flag; 644 645 memset(buf, 0, sizeof(buf)); 646 buf_size = min(count, sizeof(buf) - 1); 647 if (copy_from_user(buf, user_buf, buf_size)) 648 return -EFAULT; 649 if (sscanf(buf, "%x", &reset_flag) != 1) 650 return -EFAULT; 651 if (reset_flag == 0) 652 iwl_clear_isr_stats(priv); 653 654 return count; 655} 656 657static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 658 size_t count, loff_t *ppos) 659{ 660 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 661 int pos = 0, i; 662 char buf[256]; 663 const size_t bufsz = sizeof(buf); 664 ssize_t ret; 665 666 for (i = 0; i < AC_NUM; i++) { 667 pos += scnprintf(buf + pos, bufsz - pos, 668 "\tcw_min\tcw_max\taifsn\ttxop\n"); 669 pos += scnprintf(buf + pos, bufsz - pos, 670 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 671 priv->qos_data.def_qos_parm.ac[i].cw_min, 672 priv->qos_data.def_qos_parm.ac[i].cw_max, 673 priv->qos_data.def_qos_parm.ac[i].aifsn, 674 priv->qos_data.def_qos_parm.ac[i].edca_txop); 675 } 676 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 677 return ret; 678} 679 680static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, 681 size_t count, loff_t *ppos) 682{ 683 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 684 int pos = 0; 685 char buf[256]; 686 const size_t bufsz = sizeof(buf); 687 ssize_t ret; 688 689 pos += scnprintf(buf + pos, bufsz - pos, 690 "allow blinking: %s\n", 691 (priv->allow_blinking) ? "True" : "False"); 692 if (priv->allow_blinking) { 693 pos += scnprintf(buf + pos, bufsz - pos, 694 "Led blinking rate: %u\n", 695 priv->last_blink_rate); 696 pos += scnprintf(buf + pos, bufsz - pos, 697 "Last blink time: %lu\n", 698 priv->last_blink_time); 699 } 700 701 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 702 return ret; 703} 704 705static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 706 char __user *user_buf, 707 size_t count, loff_t *ppos) 708{ 709 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 710 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 711 struct iwl_tt_restriction *restriction; 712 char buf[100]; 713 int pos = 0; 714 const size_t bufsz = sizeof(buf); 715 ssize_t ret; 716 717 pos += scnprintf(buf + pos, bufsz - pos, 718 "Thermal Throttling Mode: %s\n", 719 tt->advanced_tt ? "Advance" : "Legacy"); 720 pos += scnprintf(buf + pos, bufsz - pos, 721 "Thermal Throttling State: %d\n", 722 tt->state); 723 if (tt->advanced_tt) { 724 restriction = tt->restriction + tt->state; 725 pos += scnprintf(buf + pos, bufsz - pos, 726 "Tx mode: %d\n", 727 restriction->tx_stream); 728 pos += scnprintf(buf + pos, bufsz - pos, 729 "Rx mode: %d\n", 730 restriction->rx_stream); 731 pos += scnprintf(buf + pos, bufsz - pos, 732 "HT mode: %d\n", 733 restriction->is_ht); 734 } 735 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 736 return ret; 737} 738 739static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 740 const char __user *user_buf, 741 size_t count, loff_t *ppos) 742{ 743 struct iwl_priv *priv = file->private_data; 744 char buf[8]; 745 int buf_size; 746 int ht40; 747 748 memset(buf, 0, sizeof(buf)); 749 buf_size = min(count, sizeof(buf) - 1); 750 if (copy_from_user(buf, user_buf, buf_size)) 751 return -EFAULT; 752 if (sscanf(buf, "%d", &ht40) != 1) 753 return -EFAULT; 754 if (!iwl_is_associated(priv)) 755 priv->disable_ht40 = ht40 ? true : false; 756 else { 757 IWL_ERR(priv, "Sta associated with AP - " 758 "Change to 40MHz channel support is not allowed\n"); 759 return -EINVAL; 760 } 761 762 return count; 763} 764 765static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 766 char __user *user_buf, 767 size_t count, loff_t *ppos) 768{ 769 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 770 char buf[100]; 771 int pos = 0; 772 const size_t bufsz = sizeof(buf); 773 ssize_t ret; 774 775 pos += scnprintf(buf + pos, bufsz - pos, 776 "11n 40MHz Mode: %s\n", 777 priv->disable_ht40 ? "Disabled" : "Enabled"); 778 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 779 return ret; 780} 781 782static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 783 const char __user *user_buf, 784 size_t count, loff_t *ppos) 785{ 786 struct iwl_priv *priv = file->private_data; 787 char buf[8]; 788 int buf_size; 789 int value; 790 791 memset(buf, 0, sizeof(buf)); 792 buf_size = min(count, sizeof(buf) - 1); 793 if (copy_from_user(buf, user_buf, buf_size)) 794 return -EFAULT; 795 796 if (sscanf(buf, "%d", &value) != 1) 797 return -EINVAL; 798 799 /* 800 * Our users expect 0 to be "CAM", but 0 isn't actually 801 * valid here. However, let's not confuse them and present 802 * IWL_POWER_INDEX_1 as "1", not "0". 803 */ 804 if (value == 0) 805 return -EINVAL; 806 else if (value > 0) 807 value -= 1; 808 809 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 810 return -EINVAL; 811 812 priv->power_data.debug_sleep_level_override = value; 813 814 iwl_power_update_mode(priv, false); 815 816 return count; 817} 818 819static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 820 char __user *user_buf, 821 size_t count, loff_t *ppos) 822{ 823 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 824 char buf[10]; 825 int pos, value; 826 const size_t bufsz = sizeof(buf); 827 828 /* see the write function */ 829 value = priv->power_data.debug_sleep_level_override; 830 if (value >= 0) 831 value += 1; 832 833 pos = scnprintf(buf, bufsz, "%d\n", value); 834 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 835} 836 837static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 838 char __user *user_buf, 839 size_t count, loff_t *ppos) 840{ 841 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 842 char buf[200]; 843 int pos = 0, i; 844 const size_t bufsz = sizeof(buf); 845 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 846 847 pos += scnprintf(buf + pos, bufsz - pos, 848 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 849 pos += scnprintf(buf + pos, bufsz - pos, 850 "RX/TX timeout: %d/%d usec\n", 851 le32_to_cpu(cmd->rx_data_timeout), 852 le32_to_cpu(cmd->tx_data_timeout)); 853 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 854 pos += scnprintf(buf + pos, bufsz - pos, 855 "sleep_interval[%d]: %d\n", i, 856 le32_to_cpu(cmd->sleep_interval[i])); 857 858 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 859} 860 861DEBUGFS_READ_WRITE_FILE_OPS(sram); 862DEBUGFS_WRITE_FILE_OPS(log_event); 863DEBUGFS_READ_FILE_OPS(nvm); 864DEBUGFS_READ_FILE_OPS(stations); 865DEBUGFS_READ_FILE_OPS(channels); 866DEBUGFS_READ_FILE_OPS(status); 867DEBUGFS_READ_WRITE_FILE_OPS(interrupt); 868DEBUGFS_READ_FILE_OPS(qos); 869DEBUGFS_READ_FILE_OPS(led); 870DEBUGFS_READ_FILE_OPS(thermal_throttling); 871DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 872DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 873DEBUGFS_READ_FILE_OPS(current_sleep_command); 874 875static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 876 char __user *user_buf, 877 size_t count, loff_t *ppos) 878{ 879 struct iwl_priv *priv = file->private_data; 880 int pos = 0, ofs = 0; 881 int cnt = 0, entry; 882 struct iwl_tx_queue *txq; 883 struct iwl_queue *q; 884 struct iwl_rx_queue *rxq = &priv->rxq; 885 char *buf; 886 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 887 (priv->cfg->num_of_queues * 32 * 8) + 400; 888 const u8 *ptr; 889 ssize_t ret; 890 891 if (!priv->txq) { 892 IWL_ERR(priv, "txq not ready\n"); 893 return -EAGAIN; 894 } 895 buf = kzalloc(bufsz, GFP_KERNEL); 896 if (!buf) { 897 IWL_ERR(priv, "Can not allocate buffer\n"); 898 return -ENOMEM; 899 } 900 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); 901 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 902 txq = &priv->txq[cnt]; 903 q = &txq->q; 904 pos += scnprintf(buf + pos, bufsz - pos, 905 "q[%d]: read_ptr: %u, write_ptr: %u\n", 906 cnt, q->read_ptr, q->write_ptr); 907 } 908 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { 909 ptr = priv->tx_traffic; 910 pos += scnprintf(buf + pos, bufsz - pos, 911 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 912 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 913 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 914 entry++, ofs += 16) { 915 pos += scnprintf(buf + pos, bufsz - pos, 916 "0x%.4x ", ofs); 917 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 918 buf + pos, bufsz - pos, 0); 919 pos += strlen(buf + pos); 920 if (bufsz - pos > 0) 921 buf[pos++] = '\n'; 922 } 923 } 924 } 925 926 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); 927 pos += scnprintf(buf + pos, bufsz - pos, 928 "read: %u, write: %u\n", 929 rxq->read, rxq->write); 930 931 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { 932 ptr = priv->rx_traffic; 933 pos += scnprintf(buf + pos, bufsz - pos, 934 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 935 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 936 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 937 entry++, ofs += 16) { 938 pos += scnprintf(buf + pos, bufsz - pos, 939 "0x%.4x ", ofs); 940 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 941 buf + pos, bufsz - pos, 0); 942 pos += strlen(buf + pos); 943 if (bufsz - pos > 0) 944 buf[pos++] = '\n'; 945 } 946 } 947 } 948 949 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 950 kfree(buf); 951 return ret; 952} 953 954static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 955 const char __user *user_buf, 956 size_t count, loff_t *ppos) 957{ 958 struct iwl_priv *priv = file->private_data; 959 char buf[8]; 960 int buf_size; 961 int traffic_log; 962 963 memset(buf, 0, sizeof(buf)); 964 buf_size = min(count, sizeof(buf) - 1); 965 if (copy_from_user(buf, user_buf, buf_size)) 966 return -EFAULT; 967 if (sscanf(buf, "%d", &traffic_log) != 1) 968 return -EFAULT; 969 if (traffic_log == 0) 970 iwl_reset_traffic_log(priv); 971 972 return count; 973} 974 975static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, 976 char __user *user_buf, 977 size_t count, loff_t *ppos) { 978 979 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 980 struct iwl_tx_queue *txq; 981 struct iwl_queue *q; 982 char *buf; 983 int pos = 0; 984 int cnt; 985 int ret; 986 const size_t bufsz = sizeof(char) * 60 * priv->cfg->num_of_queues; 987 988 if (!priv->txq) { 989 IWL_ERR(priv, "txq not ready\n"); 990 return -EAGAIN; 991 } 992 buf = kzalloc(bufsz, GFP_KERNEL); 993 if (!buf) 994 return -ENOMEM; 995 996 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 997 txq = &priv->txq[cnt]; 998 q = &txq->q; 999 pos += scnprintf(buf + pos, bufsz - pos, 1000 "hwq %.2d: read=%u write=%u stop=%d" 1001 " swq_id=%#.2x (ac %d/hwq %d)\n", 1002 cnt, q->read_ptr, q->write_ptr, 1003 !!test_bit(cnt, priv->queue_stopped), 1004 txq->swq_id, 1005 txq->swq_id & 0x80 ? txq->swq_id & 3 : 1006 txq->swq_id, 1007 txq->swq_id & 0x80 ? (txq->swq_id >> 2) & 1008 0x1f : txq->swq_id); 1009 if (cnt >= 4) 1010 continue; 1011 /* for the ACs, display the stop count too */ 1012 pos += scnprintf(buf + pos, bufsz - pos, 1013 " stop-count: %d\n", 1014 atomic_read(&priv->queue_stop_count[cnt])); 1015 } 1016 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1017 kfree(buf); 1018 return ret; 1019} 1020 1021static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, 1022 char __user *user_buf, 1023 size_t count, loff_t *ppos) { 1024 1025 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1026 struct iwl_rx_queue *rxq = &priv->rxq; 1027 char buf[256]; 1028 int pos = 0; 1029 const size_t bufsz = sizeof(buf); 1030 1031 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", 1032 rxq->read); 1033 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", 1034 rxq->write); 1035 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", 1036 rxq->free_count); 1037 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", 1038 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); 1039 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1040} 1041 1042#define UCODE_STATISTICS_CLEAR_MSK (0x1 << 0) 1043#define UCODE_STATISTICS_FREQUENCY_MSK (0x1 << 1) 1044#define UCODE_STATISTICS_NARROW_BAND_MSK (0x1 << 2) 1045 1046static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, 1047 int bufsz) 1048{ 1049 int p = 0; 1050 1051 p += scnprintf(buf + p, bufsz - p, 1052 "Statistics Flag(0x%X):\n", 1053 le32_to_cpu(priv->statistics.flag)); 1054 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) 1055 p += scnprintf(buf + p, bufsz - p, 1056 "\tStatistics have been cleared\n"); 1057 p += scnprintf(buf + p, bufsz - p, 1058 "\tOperational Frequency: %s\n", 1059 (le32_to_cpu(priv->statistics.flag) & 1060 UCODE_STATISTICS_FREQUENCY_MSK) 1061 ? "2.4 GHz" : "5.2 GHz"); 1062 p += scnprintf(buf + p, bufsz - p, 1063 "\tTGj Narrow Band: %s\n", 1064 (le32_to_cpu(priv->statistics.flag) & 1065 UCODE_STATISTICS_NARROW_BAND_MSK) 1066 ? "enabled" : "disabled"); 1067 return p; 1068} 1069 1070 1071static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 1072 char __user *user_buf, 1073 size_t count, loff_t *ppos) 1074{ 1075 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1076 int pos = 0; 1077 char *buf; 1078 int bufsz = sizeof(struct statistics_rx_phy) * 20 + 1079 sizeof(struct statistics_rx_non_phy) * 20 + 1080 sizeof(struct statistics_rx_ht_phy) * 20 + 400; 1081 ssize_t ret; 1082 struct statistics_rx_phy *ofdm, *accum_ofdm; 1083 struct statistics_rx_phy *cck, *accum_cck; 1084 struct statistics_rx_non_phy *general, *accum_general; 1085 struct statistics_rx_ht_phy *ht, *accum_ht; 1086 1087 if (!iwl_is_alive(priv)) 1088 return -EAGAIN; 1089 1090 /* make request to uCode to retrieve statistics information */ 1091 mutex_lock(&priv->mutex); 1092 ret = iwl_send_statistics_request(priv, 0); 1093 mutex_unlock(&priv->mutex); 1094 1095 if (ret) { 1096 IWL_ERR(priv, 1097 "Error sending statistics request: %zd\n", ret); 1098 return -EAGAIN; 1099 } 1100 buf = kzalloc(bufsz, GFP_KERNEL); 1101 if (!buf) { 1102 IWL_ERR(priv, "Can not allocate Buffer\n"); 1103 return -ENOMEM; 1104 } 1105 1106 /* the statistic information display here is based on 1107 * the last statistics notification from uCode 1108 * might not reflect the current uCode activity 1109 */ 1110 ofdm = &priv->statistics.rx.ofdm; 1111 cck = &priv->statistics.rx.cck; 1112 general = &priv->statistics.rx.general; 1113 ht = &priv->statistics.rx.ofdm_ht; 1114 accum_ofdm = &priv->accum_statistics.rx.ofdm; 1115 accum_cck = &priv->accum_statistics.rx.cck; 1116 accum_general = &priv->accum_statistics.rx.general; 1117 accum_ht = &priv->accum_statistics.rx.ofdm_ht; 1118 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1119 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n"); 1120 pos += scnprintf(buf + pos, bufsz - pos, 1121 "\t\t\tcurrent\t\t\taccumulative\n"); 1122 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1123 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt); 1124 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1125 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt); 1126 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1127 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err); 1128 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1129 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err); 1130 pos += scnprintf(buf + pos, bufsz - pos, 1131 "overrun_err:\t\t%u\t\t\t%u\n", 1132 le32_to_cpu(ofdm->overrun_err), 1133 accum_ofdm->overrun_err); 1134 pos += scnprintf(buf + pos, bufsz - pos, 1135 "early_overrun_err:\t%u\t\t\t%u\n", 1136 le32_to_cpu(ofdm->early_overrun_err), 1137 accum_ofdm->early_overrun_err); 1138 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1139 le32_to_cpu(ofdm->crc32_good), 1140 accum_ofdm->crc32_good); 1141 pos += scnprintf(buf + pos, bufsz - pos, 1142 "false_alarm_cnt:\t%u\t\t\t%u\n", 1143 le32_to_cpu(ofdm->false_alarm_cnt), 1144 accum_ofdm->false_alarm_cnt); 1145 pos += scnprintf(buf + pos, bufsz - pos, 1146 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1147 le32_to_cpu(ofdm->fina_sync_err_cnt), 1148 accum_ofdm->fina_sync_err_cnt); 1149 pos += scnprintf(buf + pos, bufsz - pos, 1150 "sfd_timeout:\t\t%u\t\t\t%u\n", 1151 le32_to_cpu(ofdm->sfd_timeout), 1152 accum_ofdm->sfd_timeout); 1153 pos += scnprintf(buf + pos, bufsz - pos, 1154 "fina_timeout:\t\t%u\t\t\t%u\n", 1155 le32_to_cpu(ofdm->fina_timeout), 1156 accum_ofdm->fina_timeout); 1157 pos += scnprintf(buf + pos, bufsz - pos, 1158 "unresponded_rts:\t%u\t\t\t%u\n", 1159 le32_to_cpu(ofdm->unresponded_rts), 1160 accum_ofdm->unresponded_rts); 1161 pos += scnprintf(buf + pos, bufsz - pos, 1162 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1163 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1164 accum_ofdm->rxe_frame_limit_overrun); 1165 pos += scnprintf(buf + pos, bufsz - pos, 1166 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1167 le32_to_cpu(ofdm->sent_ack_cnt), 1168 accum_ofdm->sent_ack_cnt); 1169 pos += scnprintf(buf + pos, bufsz - pos, 1170 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1171 le32_to_cpu(ofdm->sent_cts_cnt), 1172 accum_ofdm->sent_cts_cnt); 1173 pos += scnprintf(buf + pos, bufsz - pos, 1174 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1175 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1176 accum_ofdm->sent_ba_rsp_cnt); 1177 pos += scnprintf(buf + pos, bufsz - pos, 1178 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1179 le32_to_cpu(ofdm->dsp_self_kill), 1180 accum_ofdm->dsp_self_kill); 1181 pos += scnprintf(buf + pos, bufsz - pos, 1182 "mh_format_err:\t\t%u\t\t\t%u\n", 1183 le32_to_cpu(ofdm->mh_format_err), 1184 accum_ofdm->mh_format_err); 1185 pos += scnprintf(buf + pos, bufsz - pos, 1186 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1187 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1188 accum_ofdm->re_acq_main_rssi_sum); 1189 1190 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n"); 1191 pos += scnprintf(buf + pos, bufsz - pos, 1192 "\t\t\tcurrent\t\t\taccumulative\n"); 1193 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1194 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt); 1195 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1196 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt); 1197 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1198 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err); 1199 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1200 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err); 1201 pos += scnprintf(buf + pos, bufsz - pos, 1202 "overrun_err:\t\t%u\t\t\t%u\n", 1203 le32_to_cpu(cck->overrun_err), 1204 accum_cck->overrun_err); 1205 pos += scnprintf(buf + pos, bufsz - pos, 1206 "early_overrun_err:\t%u\t\t\t%u\n", 1207 le32_to_cpu(cck->early_overrun_err), 1208 accum_cck->early_overrun_err); 1209 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1210 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good); 1211 pos += scnprintf(buf + pos, bufsz - pos, 1212 "false_alarm_cnt:\t%u\t\t\t%u\n", 1213 le32_to_cpu(cck->false_alarm_cnt), 1214 accum_cck->false_alarm_cnt); 1215 pos += scnprintf(buf + pos, bufsz - pos, 1216 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1217 le32_to_cpu(cck->fina_sync_err_cnt), 1218 accum_cck->fina_sync_err_cnt); 1219 pos += scnprintf(buf + pos, bufsz - pos, 1220 "sfd_timeout:\t\t%u\t\t\t%u\n", 1221 le32_to_cpu(cck->sfd_timeout), 1222 accum_cck->sfd_timeout); 1223 pos += scnprintf(buf + pos, bufsz - pos, 1224 "fina_timeout:\t\t%u\t\t\t%u\n", 1225 le32_to_cpu(cck->fina_timeout), 1226 accum_cck->fina_timeout); 1227 pos += scnprintf(buf + pos, bufsz - pos, 1228 "unresponded_rts:\t%u\t\t\t%u\n", 1229 le32_to_cpu(cck->unresponded_rts), 1230 accum_cck->unresponded_rts); 1231 pos += scnprintf(buf + pos, bufsz - pos, 1232 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1233 le32_to_cpu(cck->rxe_frame_limit_overrun), 1234 accum_cck->rxe_frame_limit_overrun); 1235 pos += scnprintf(buf + pos, bufsz - pos, 1236 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1237 le32_to_cpu(cck->sent_ack_cnt), 1238 accum_cck->sent_ack_cnt); 1239 pos += scnprintf(buf + pos, bufsz - pos, 1240 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1241 le32_to_cpu(cck->sent_cts_cnt), 1242 accum_cck->sent_cts_cnt); 1243 pos += scnprintf(buf + pos, bufsz - pos, 1244 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1245 le32_to_cpu(cck->sent_ba_rsp_cnt), 1246 accum_cck->sent_ba_rsp_cnt); 1247 pos += scnprintf(buf + pos, bufsz - pos, 1248 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1249 le32_to_cpu(cck->dsp_self_kill), 1250 accum_cck->dsp_self_kill); 1251 pos += scnprintf(buf + pos, bufsz - pos, 1252 "mh_format_err:\t\t%u\t\t\t%u\n", 1253 le32_to_cpu(cck->mh_format_err), 1254 accum_cck->mh_format_err); 1255 pos += scnprintf(buf + pos, bufsz - pos, 1256 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1257 le32_to_cpu(cck->re_acq_main_rssi_sum), 1258 accum_cck->re_acq_main_rssi_sum); 1259 1260 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n"); 1261 pos += scnprintf(buf + pos, bufsz - pos, 1262 "\t\t\tcurrent\t\t\taccumulative\n"); 1263 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n", 1264 le32_to_cpu(general->bogus_cts), 1265 accum_general->bogus_cts); 1266 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n", 1267 le32_to_cpu(general->bogus_ack), 1268 accum_general->bogus_ack); 1269 pos += scnprintf(buf + pos, bufsz - pos, 1270 "non_bssid_frames:\t%u\t\t\t%u\n", 1271 le32_to_cpu(general->non_bssid_frames), 1272 accum_general->non_bssid_frames); 1273 pos += scnprintf(buf + pos, bufsz - pos, 1274 "filtered_frames:\t%u\t\t\t%u\n", 1275 le32_to_cpu(general->filtered_frames), 1276 accum_general->filtered_frames); 1277 pos += scnprintf(buf + pos, bufsz - pos, 1278 "non_channel_beacons:\t%u\t\t\t%u\n", 1279 le32_to_cpu(general->non_channel_beacons), 1280 accum_general->non_channel_beacons); 1281 pos += scnprintf(buf + pos, bufsz - pos, 1282 "channel_beacons:\t%u\t\t\t%u\n", 1283 le32_to_cpu(general->channel_beacons), 1284 accum_general->channel_beacons); 1285 pos += scnprintf(buf + pos, bufsz - pos, 1286 "num_missed_bcon:\t%u\t\t\t%u\n", 1287 le32_to_cpu(general->num_missed_bcon), 1288 accum_general->num_missed_bcon); 1289 pos += scnprintf(buf + pos, bufsz - pos, 1290 "adc_rx_saturation_time:\t%u\t\t\t%u\n", 1291 le32_to_cpu(general->adc_rx_saturation_time), 1292 accum_general->adc_rx_saturation_time); 1293 pos += scnprintf(buf + pos, bufsz - pos, 1294 "ina_detect_search_tm:\t%u\t\t\t%u\n", 1295 le32_to_cpu(general->ina_detection_search_time), 1296 accum_general->ina_detection_search_time); 1297 pos += scnprintf(buf + pos, bufsz - pos, 1298 "beacon_silence_rssi_a:\t%u\t\t\t%u\n", 1299 le32_to_cpu(general->beacon_silence_rssi_a), 1300 accum_general->beacon_silence_rssi_a); 1301 pos += scnprintf(buf + pos, bufsz - pos, 1302 "beacon_silence_rssi_b:\t%u\t\t\t%u\n", 1303 le32_to_cpu(general->beacon_silence_rssi_b), 1304 accum_general->beacon_silence_rssi_b); 1305 pos += scnprintf(buf + pos, bufsz - pos, 1306 "beacon_silence_rssi_c:\t%u\t\t\t%u\n", 1307 le32_to_cpu(general->beacon_silence_rssi_c), 1308 accum_general->beacon_silence_rssi_c); 1309 pos += scnprintf(buf + pos, bufsz - pos, 1310 "interference_data_flag:\t%u\t\t\t%u\n", 1311 le32_to_cpu(general->interference_data_flag), 1312 accum_general->interference_data_flag); 1313 pos += scnprintf(buf + pos, bufsz - pos, 1314 "channel_load:\t\t%u\t\t\t%u\n", 1315 le32_to_cpu(general->channel_load), 1316 accum_general->channel_load); 1317 pos += scnprintf(buf + pos, bufsz - pos, 1318 "dsp_false_alarms:\t%u\t\t\t%u\n", 1319 le32_to_cpu(general->dsp_false_alarms), 1320 accum_general->dsp_false_alarms); 1321 pos += scnprintf(buf + pos, bufsz - pos, 1322 "beacon_rssi_a:\t\t%u\t\t\t%u\n", 1323 le32_to_cpu(general->beacon_rssi_a), 1324 accum_general->beacon_rssi_a); 1325 pos += scnprintf(buf + pos, bufsz - pos, 1326 "beacon_rssi_b:\t\t%u\t\t\t%u\n", 1327 le32_to_cpu(general->beacon_rssi_b), 1328 accum_general->beacon_rssi_b); 1329 pos += scnprintf(buf + pos, bufsz - pos, 1330 "beacon_rssi_c:\t\t%u\t\t\t%u\n", 1331 le32_to_cpu(general->beacon_rssi_c), 1332 accum_general->beacon_rssi_c); 1333 pos += scnprintf(buf + pos, bufsz - pos, 1334 "beacon_energy_a:\t%u\t\t\t%u\n", 1335 le32_to_cpu(general->beacon_energy_a), 1336 accum_general->beacon_energy_a); 1337 pos += scnprintf(buf + pos, bufsz - pos, 1338 "beacon_energy_b:\t%u\t\t\t%u\n", 1339 le32_to_cpu(general->beacon_energy_b), 1340 accum_general->beacon_energy_b); 1341 pos += scnprintf(buf + pos, bufsz - pos, 1342 "beacon_energy_c:\t%u\t\t\t%u\n", 1343 le32_to_cpu(general->beacon_energy_c), 1344 accum_general->beacon_energy_c); 1345 1346 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); 1347 pos += scnprintf(buf + pos, bufsz - pos, 1348 "\t\t\tcurrent\t\t\taccumulative\n"); 1349 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1350 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err); 1351 pos += scnprintf(buf + pos, bufsz - pos, 1352 "overrun_err:\t\t%u\t\t\t%u\n", 1353 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err); 1354 pos += scnprintf(buf + pos, bufsz - pos, 1355 "early_overrun_err:\t%u\t\t\t%u\n", 1356 le32_to_cpu(ht->early_overrun_err), 1357 accum_ht->early_overrun_err); 1358 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1359 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good); 1360 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1361 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err); 1362 pos += scnprintf(buf + pos, bufsz - pos, 1363 "mh_format_err:\t\t%u\t\t\t%u\n", 1364 le32_to_cpu(ht->mh_format_err), 1365 accum_ht->mh_format_err); 1366 pos += scnprintf(buf + pos, bufsz - pos, 1367 "agg_crc32_good:\t\t%u\t\t\t%u\n", 1368 le32_to_cpu(ht->agg_crc32_good), 1369 accum_ht->agg_crc32_good); 1370 pos += scnprintf(buf + pos, bufsz - pos, 1371 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n", 1372 le32_to_cpu(ht->agg_mpdu_cnt), 1373 accum_ht->agg_mpdu_cnt); 1374 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n", 1375 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt); 1376 1377 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1378 kfree(buf); 1379 return ret; 1380} 1381 1382static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1383 char __user *user_buf, 1384 size_t count, loff_t *ppos) 1385{ 1386 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1387 int pos = 0; 1388 char *buf; 1389 int bufsz = (sizeof(struct statistics_tx) * 24) + 250; 1390 ssize_t ret; 1391 struct statistics_tx *tx, *accum_tx; 1392 1393 if (!iwl_is_alive(priv)) 1394 return -EAGAIN; 1395 1396 /* make request to uCode to retrieve statistics information */ 1397 mutex_lock(&priv->mutex); 1398 ret = iwl_send_statistics_request(priv, 0); 1399 mutex_unlock(&priv->mutex); 1400 1401 if (ret) { 1402 IWL_ERR(priv, 1403 "Error sending statistics request: %zd\n", ret); 1404 return -EAGAIN; 1405 } 1406 buf = kzalloc(bufsz, GFP_KERNEL); 1407 if (!buf) { 1408 IWL_ERR(priv, "Can not allocate Buffer\n"); 1409 return -ENOMEM; 1410 } 1411 1412 /* the statistic information display here is based on 1413 * the last statistics notification from uCode 1414 * might not reflect the current uCode activity 1415 */ 1416 tx = &priv->statistics.tx; 1417 accum_tx = &priv->accum_statistics.tx; 1418 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1419 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n"); 1420 pos += scnprintf(buf + pos, bufsz - pos, 1421 "\t\t\tcurrent\t\t\taccumulative\n"); 1422 pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n", 1423 le32_to_cpu(tx->preamble_cnt), 1424 accum_tx->preamble_cnt); 1425 pos += scnprintf(buf + pos, bufsz - pos, 1426 "rx_detected_cnt:\t\t%u\t\t\t%u\n", 1427 le32_to_cpu(tx->rx_detected_cnt), 1428 accum_tx->rx_detected_cnt); 1429 pos += scnprintf(buf + pos, bufsz - pos, 1430 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n", 1431 le32_to_cpu(tx->bt_prio_defer_cnt), 1432 accum_tx->bt_prio_defer_cnt); 1433 pos += scnprintf(buf + pos, bufsz - pos, 1434 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n", 1435 le32_to_cpu(tx->bt_prio_kill_cnt), 1436 accum_tx->bt_prio_kill_cnt); 1437 pos += scnprintf(buf + pos, bufsz - pos, 1438 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n", 1439 le32_to_cpu(tx->few_bytes_cnt), 1440 accum_tx->few_bytes_cnt); 1441 pos += scnprintf(buf + pos, bufsz - pos, 1442 "cts_timeout:\t\t\t%u\t\t\t%u\n", 1443 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout); 1444 pos += scnprintf(buf + pos, bufsz - pos, 1445 "ack_timeout:\t\t\t%u\t\t\t%u\n", 1446 le32_to_cpu(tx->ack_timeout), 1447 accum_tx->ack_timeout); 1448 pos += scnprintf(buf + pos, bufsz - pos, 1449 "expected_ack_cnt:\t\t%u\t\t\t%u\n", 1450 le32_to_cpu(tx->expected_ack_cnt), 1451 accum_tx->expected_ack_cnt); 1452 pos += scnprintf(buf + pos, bufsz - pos, 1453 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n", 1454 le32_to_cpu(tx->actual_ack_cnt), 1455 accum_tx->actual_ack_cnt); 1456 pos += scnprintf(buf + pos, bufsz - pos, 1457 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n", 1458 le32_to_cpu(tx->dump_msdu_cnt), 1459 accum_tx->dump_msdu_cnt); 1460 pos += scnprintf(buf + pos, bufsz - pos, 1461 "abort_nxt_frame_mismatch:" 1462 "\t%u\t\t\t%u\n", 1463 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1464 accum_tx->burst_abort_next_frame_mismatch_cnt); 1465 pos += scnprintf(buf + pos, bufsz - pos, 1466 "abort_missing_nxt_frame:" 1467 "\t%u\t\t\t%u\n", 1468 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1469 accum_tx->burst_abort_missing_next_frame_cnt); 1470 pos += scnprintf(buf + pos, bufsz - pos, 1471 "cts_timeout_collision:\t\t%u\t\t\t%u\n", 1472 le32_to_cpu(tx->cts_timeout_collision), 1473 accum_tx->cts_timeout_collision); 1474 pos += scnprintf(buf + pos, bufsz - pos, 1475 "ack_ba_timeout_collision:\t%u\t\t\t%u\n", 1476 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1477 accum_tx->ack_or_ba_timeout_collision); 1478 pos += scnprintf(buf + pos, bufsz - pos, 1479 "agg ba_timeout:\t\t\t%u\t\t\t%u\n", 1480 le32_to_cpu(tx->agg.ba_timeout), 1481 accum_tx->agg.ba_timeout); 1482 pos += scnprintf(buf + pos, bufsz - pos, 1483 "agg ba_resched_frames:\t\t%u\t\t\t%u\n", 1484 le32_to_cpu(tx->agg.ba_reschedule_frames), 1485 accum_tx->agg.ba_reschedule_frames); 1486 pos += scnprintf(buf + pos, bufsz - pos, 1487 "agg scd_query_agg_frame:\t%u\t\t\t%u\n", 1488 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1489 accum_tx->agg.scd_query_agg_frame_cnt); 1490 pos += scnprintf(buf + pos, bufsz - pos, 1491 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n", 1492 le32_to_cpu(tx->agg.scd_query_no_agg), 1493 accum_tx->agg.scd_query_no_agg); 1494 pos += scnprintf(buf + pos, bufsz - pos, 1495 "agg scd_query_agg:\t\t%u\t\t\t%u\n", 1496 le32_to_cpu(tx->agg.scd_query_agg), 1497 accum_tx->agg.scd_query_agg); 1498 pos += scnprintf(buf + pos, bufsz - pos, 1499 "agg scd_query_mismatch:\t\t%u\t\t\t%u\n", 1500 le32_to_cpu(tx->agg.scd_query_mismatch), 1501 accum_tx->agg.scd_query_mismatch); 1502 pos += scnprintf(buf + pos, bufsz - pos, 1503 "agg frame_not_ready:\t\t%u\t\t\t%u\n", 1504 le32_to_cpu(tx->agg.frame_not_ready), 1505 accum_tx->agg.frame_not_ready); 1506 pos += scnprintf(buf + pos, bufsz - pos, 1507 "agg underrun:\t\t\t%u\t\t\t%u\n", 1508 le32_to_cpu(tx->agg.underrun), 1509 accum_tx->agg.underrun); 1510 pos += scnprintf(buf + pos, bufsz - pos, 1511 "agg bt_prio_kill:\t\t%u\t\t\t%u\n", 1512 le32_to_cpu(tx->agg.bt_prio_kill), 1513 accum_tx->agg.bt_prio_kill); 1514 pos += scnprintf(buf + pos, bufsz - pos, 1515 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n", 1516 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1517 accum_tx->agg.rx_ba_rsp_cnt); 1518 1519 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1520 kfree(buf); 1521 return ret; 1522} 1523 1524static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1525 char __user *user_buf, 1526 size_t count, loff_t *ppos) 1527{ 1528 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1529 int pos = 0; 1530 char *buf; 1531 int bufsz = sizeof(struct statistics_general) * 4 + 250; 1532 ssize_t ret; 1533 struct statistics_general *general, *accum_general; 1534 struct statistics_dbg *dbg, *accum_dbg; 1535 struct statistics_div *div, *accum_div; 1536 1537 if (!iwl_is_alive(priv)) 1538 return -EAGAIN; 1539 1540 /* make request to uCode to retrieve statistics information */ 1541 mutex_lock(&priv->mutex); 1542 ret = iwl_send_statistics_request(priv, 0); 1543 mutex_unlock(&priv->mutex); 1544 1545 if (ret) { 1546 IWL_ERR(priv, 1547 "Error sending statistics request: %zd\n", ret); 1548 return -EAGAIN; 1549 } 1550 buf = kzalloc(bufsz, GFP_KERNEL); 1551 if (!buf) { 1552 IWL_ERR(priv, "Can not allocate Buffer\n"); 1553 return -ENOMEM; 1554 } 1555 1556 /* the statistic information display here is based on 1557 * the last statistics notification from uCode 1558 * might not reflect the current uCode activity 1559 */ 1560 general = &priv->statistics.general; 1561 dbg = &priv->statistics.general.dbg; 1562 div = &priv->statistics.general.div; 1563 accum_general = &priv->accum_statistics.general; 1564 accum_dbg = &priv->accum_statistics.general.dbg; 1565 accum_div = &priv->accum_statistics.general.div; 1566 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1567 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n"); 1568 pos += scnprintf(buf + pos, bufsz - pos, 1569 "\t\t\tcurrent\t\t\taccumulative\n"); 1570 pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n", 1571 le32_to_cpu(general->temperature)); 1572 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n", 1573 le32_to_cpu(general->temperature_m)); 1574 pos += scnprintf(buf + pos, bufsz - pos, 1575 "burst_check:\t\t\t%u\t\t\t%u\n", 1576 le32_to_cpu(dbg->burst_check), 1577 accum_dbg->burst_check); 1578 pos += scnprintf(buf + pos, bufsz - pos, 1579 "burst_count:\t\t\t%u\t\t\t%u\n", 1580 le32_to_cpu(dbg->burst_count), 1581 accum_dbg->burst_count); 1582 pos += scnprintf(buf + pos, bufsz - pos, 1583 "sleep_time:\t\t\t%u\t\t\t%u\n", 1584 le32_to_cpu(general->sleep_time), 1585 accum_general->sleep_time); 1586 pos += scnprintf(buf + pos, bufsz - pos, 1587 "slots_out:\t\t\t%u\t\t\t%u\n", 1588 le32_to_cpu(general->slots_out), 1589 accum_general->slots_out); 1590 pos += scnprintf(buf + pos, bufsz - pos, 1591 "slots_idle:\t\t\t%u\t\t\t%u\n", 1592 le32_to_cpu(general->slots_idle), 1593 accum_general->slots_idle); 1594 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", 1595 le32_to_cpu(general->ttl_timestamp)); 1596 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n", 1597 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a); 1598 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n", 1599 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b); 1600 pos += scnprintf(buf + pos, bufsz - pos, 1601 "exec_time:\t\t\t%u\t\t\t%u\n", 1602 le32_to_cpu(div->exec_time), accum_div->exec_time); 1603 pos += scnprintf(buf + pos, bufsz - pos, 1604 "probe_time:\t\t\t%u\t\t\t%u\n", 1605 le32_to_cpu(div->probe_time), accum_div->probe_time); 1606 pos += scnprintf(buf + pos, bufsz - pos, 1607 "rx_enable_counter:\t\t%u\t\t\t%u\n", 1608 le32_to_cpu(general->rx_enable_counter), 1609 accum_general->rx_enable_counter); 1610 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1611 kfree(buf); 1612 return ret; 1613} 1614 1615static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1616 char __user *user_buf, 1617 size_t count, loff_t *ppos) { 1618 1619 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1620 int pos = 0; 1621 int cnt = 0; 1622 char *buf; 1623 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1624 ssize_t ret; 1625 struct iwl_sensitivity_data *data; 1626 1627 data = &priv->sensitivity_data; 1628 buf = kzalloc(bufsz, GFP_KERNEL); 1629 if (!buf) { 1630 IWL_ERR(priv, "Can not allocate Buffer\n"); 1631 return -ENOMEM; 1632 } 1633 1634 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1635 data->auto_corr_ofdm); 1636 pos += scnprintf(buf + pos, bufsz - pos, 1637 "auto_corr_ofdm_mrc:\t\t %u\n", 1638 data->auto_corr_ofdm_mrc); 1639 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1640 data->auto_corr_ofdm_x1); 1641 pos += scnprintf(buf + pos, bufsz - pos, 1642 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1643 data->auto_corr_ofdm_mrc_x1); 1644 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1645 data->auto_corr_cck); 1646 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1647 data->auto_corr_cck_mrc); 1648 pos += scnprintf(buf + pos, bufsz - pos, 1649 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1650 data->last_bad_plcp_cnt_ofdm); 1651 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1652 data->last_fa_cnt_ofdm); 1653 pos += scnprintf(buf + pos, bufsz - pos, 1654 "last_bad_plcp_cnt_cck:\t\t %u\n", 1655 data->last_bad_plcp_cnt_cck); 1656 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1657 data->last_fa_cnt_cck); 1658 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1659 data->nrg_curr_state); 1660 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1661 data->nrg_prev_state); 1662 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1663 for (cnt = 0; cnt < 10; cnt++) { 1664 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1665 data->nrg_value[cnt]); 1666 } 1667 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1668 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1669 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1670 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1671 data->nrg_silence_rssi[cnt]); 1672 } 1673 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1674 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1675 data->nrg_silence_ref); 1676 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1677 data->nrg_energy_idx); 1678 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1679 data->nrg_silence_idx); 1680 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1681 data->nrg_th_cck); 1682 pos += scnprintf(buf + pos, bufsz - pos, 1683 "nrg_auto_corr_silence_diff:\t %u\n", 1684 data->nrg_auto_corr_silence_diff); 1685 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1686 data->num_in_cck_no_fa); 1687 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1688 data->nrg_th_ofdm); 1689 1690 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1691 kfree(buf); 1692 return ret; 1693} 1694 1695 1696static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1697 char __user *user_buf, 1698 size_t count, loff_t *ppos) { 1699 1700 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1701 int pos = 0; 1702 int cnt = 0; 1703 char *buf; 1704 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1705 ssize_t ret; 1706 struct iwl_chain_noise_data *data; 1707 1708 data = &priv->chain_noise_data; 1709 buf = kzalloc(bufsz, GFP_KERNEL); 1710 if (!buf) { 1711 IWL_ERR(priv, "Can not allocate Buffer\n"); 1712 return -ENOMEM; 1713 } 1714 1715 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1716 data->active_chains); 1717 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1718 data->chain_noise_a); 1719 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1720 data->chain_noise_b); 1721 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1722 data->chain_noise_c); 1723 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1724 data->chain_signal_a); 1725 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1726 data->chain_signal_b); 1727 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1728 data->chain_signal_c); 1729 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1730 data->beacon_count); 1731 1732 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1733 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1734 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1735 data->disconn_array[cnt]); 1736 } 1737 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1738 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1739 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1740 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1741 data->delta_gain_code[cnt]); 1742 } 1743 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1744 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1745 data->radio_write); 1746 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1747 data->state); 1748 1749 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1750 kfree(buf); 1751 return ret; 1752} 1753 1754static ssize_t iwl_dbgfs_tx_power_read(struct file *file, 1755 char __user *user_buf, 1756 size_t count, loff_t *ppos) { 1757 1758 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1759 char buf[128]; 1760 int pos = 0; 1761 ssize_t ret; 1762 const size_t bufsz = sizeof(buf); 1763 struct statistics_tx *tx; 1764 1765 if (!iwl_is_alive(priv)) 1766 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1767 else { 1768 /* make request to uCode to retrieve statistics information */ 1769 mutex_lock(&priv->mutex); 1770 ret = iwl_send_statistics_request(priv, 0); 1771 mutex_unlock(&priv->mutex); 1772 1773 if (ret) { 1774 IWL_ERR(priv, "Error sending statistics request: %zd\n", 1775 ret); 1776 return -EAGAIN; 1777 } 1778 tx = &priv->statistics.tx; 1779 if (tx->tx_power.ant_a || 1780 tx->tx_power.ant_b || 1781 tx->tx_power.ant_c) { 1782 pos += scnprintf(buf + pos, bufsz - pos, 1783 "tx power: (1/2 dB step)\n"); 1784 if ((priv->cfg->valid_tx_ant & ANT_A) && 1785 tx->tx_power.ant_a) 1786 pos += scnprintf(buf + pos, bufsz - pos, 1787 "\tantenna A: 0x%X\n", 1788 tx->tx_power.ant_a); 1789 if ((priv->cfg->valid_tx_ant & ANT_B) && 1790 tx->tx_power.ant_b) 1791 pos += scnprintf(buf + pos, bufsz - pos, 1792 "\tantenna B: 0x%X\n", 1793 tx->tx_power.ant_b); 1794 if ((priv->cfg->valid_tx_ant & ANT_C) && 1795 tx->tx_power.ant_c) 1796 pos += scnprintf(buf + pos, bufsz - pos, 1797 "\tantenna C: 0x%X\n", 1798 tx->tx_power.ant_c); 1799 } else 1800 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1801 } 1802 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1803} 1804 1805static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1806 char __user *user_buf, 1807 size_t count, loff_t *ppos) 1808{ 1809 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1810 char buf[60]; 1811 int pos = 0; 1812 const size_t bufsz = sizeof(buf); 1813 u32 pwrsave_status; 1814 1815 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & 1816 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1817 1818 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1819 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1820 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1821 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1822 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1823 "error"); 1824 1825 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1826} 1827 1828DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics); 1829DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics); 1830DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 1831DEBUGFS_READ_FILE_OPS(rx_queue); 1832DEBUGFS_READ_FILE_OPS(tx_queue); 1833DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 1834DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 1835DEBUGFS_READ_FILE_OPS(ucode_general_stats); 1836DEBUGFS_READ_FILE_OPS(sensitivity); 1837DEBUGFS_READ_FILE_OPS(chain_noise); 1838DEBUGFS_READ_FILE_OPS(tx_power); 1839DEBUGFS_READ_FILE_OPS(power_save_status); 1840 1841/* 1842 * Create the debugfs files and directories 1843 * 1844 */ 1845int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 1846{ 1847 struct iwl_debugfs *dbgfs; 1848 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 1849 int ret = 0; 1850 1851 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL); 1852 if (!dbgfs) { 1853 ret = -ENOMEM; 1854 goto err; 1855 } 1856 1857 priv->dbgfs = dbgfs; 1858 dbgfs->name = name; 1859 dbgfs->dir_drv = debugfs_create_dir(name, phyd); 1860 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) { 1861 ret = -ENOENT; 1862 goto err; 1863 } 1864 1865 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv); 1866 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv); 1867 DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv); 1868 DEBUGFS_ADD_FILE(nvm, data); 1869 DEBUGFS_ADD_FILE(sram, data); 1870 DEBUGFS_ADD_FILE(log_event, data); 1871 DEBUGFS_ADD_FILE(stations, data); 1872 DEBUGFS_ADD_FILE(channels, data); 1873 DEBUGFS_ADD_FILE(status, data); 1874 DEBUGFS_ADD_FILE(interrupt, data); 1875 DEBUGFS_ADD_FILE(qos, data); 1876 DEBUGFS_ADD_FILE(led, data); 1877 DEBUGFS_ADD_FILE(sleep_level_override, data); 1878 DEBUGFS_ADD_FILE(current_sleep_command, data); 1879 DEBUGFS_ADD_FILE(thermal_throttling, data); 1880 DEBUGFS_ADD_FILE(disable_ht40, data); 1881 DEBUGFS_ADD_FILE(rx_statistics, debug); 1882 DEBUGFS_ADD_FILE(tx_statistics, debug); 1883 DEBUGFS_ADD_FILE(traffic_log, debug); 1884 DEBUGFS_ADD_FILE(rx_queue, debug); 1885 DEBUGFS_ADD_FILE(tx_queue, debug); 1886 DEBUGFS_ADD_FILE(tx_power, debug); 1887 DEBUGFS_ADD_FILE(power_save_status, debug); 1888 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 1889 DEBUGFS_ADD_FILE(ucode_rx_stats, debug); 1890 DEBUGFS_ADD_FILE(ucode_tx_stats, debug); 1891 DEBUGFS_ADD_FILE(ucode_general_stats, debug); 1892 DEBUGFS_ADD_FILE(sensitivity, debug); 1893 DEBUGFS_ADD_FILE(chain_noise, debug); 1894 } 1895 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); 1896 DEBUGFS_ADD_BOOL(disable_chain_noise, rf, 1897 &priv->disable_chain_noise_cal); 1898 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 1899 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 1900 DEBUGFS_ADD_BOOL(disable_tx_power, rf, 1901 &priv->disable_tx_power_cal); 1902 return 0; 1903 1904err: 1905 IWL_ERR(priv, "Can't open the debugfs directory\n"); 1906 iwl_dbgfs_unregister(priv); 1907 return ret; 1908} 1909EXPORT_SYMBOL(iwl_dbgfs_register); 1910 1911/** 1912 * Remove the debugfs files and directories 1913 * 1914 */ 1915void iwl_dbgfs_unregister(struct iwl_priv *priv) 1916{ 1917 if (!priv->dbgfs) 1918 return; 1919 1920 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override); 1921 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command); 1922 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm); 1923 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram); 1924 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event); 1925 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations); 1926 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels); 1927 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status); 1928 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt); 1929 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos); 1930 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led); 1931 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling); 1932 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40); 1933 DEBUGFS_REMOVE(priv->dbgfs->dir_data); 1934 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics); 1935 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics); 1936 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log); 1937 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue); 1938 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue); 1939 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power); 1940 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status); 1941 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 1942 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1943 file_ucode_rx_stats); 1944 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1945 file_ucode_tx_stats); 1946 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1947 file_ucode_general_stats); 1948 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1949 file_sensitivity); 1950 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1951 file_chain_noise); 1952 } 1953 DEBUGFS_REMOVE(priv->dbgfs->dir_debug); 1954 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); 1955 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise); 1956 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 1957 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 1958 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power); 1959 DEBUGFS_REMOVE(priv->dbgfs->dir_rf); 1960 DEBUGFS_REMOVE(priv->dbgfs->dir_drv); 1961 kfree(priv->dbgfs); 1962 priv->dbgfs = NULL; 1963} 1964EXPORT_SYMBOL(iwl_dbgfs_unregister); 1965 1966 1967 1968