iwl-debugfs.c revision 4ad177b5c860dc0b1083eccc55957daf4a116b90
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 if (!iwl_is_ready_rf(priv)) 813 return -EAGAIN; 814 815 priv->power_data.debug_sleep_level_override = value; 816 817 iwl_power_update_mode(priv, true); 818 819 return count; 820} 821 822static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 823 char __user *user_buf, 824 size_t count, loff_t *ppos) 825{ 826 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 827 char buf[10]; 828 int pos, value; 829 const size_t bufsz = sizeof(buf); 830 831 /* see the write function */ 832 value = priv->power_data.debug_sleep_level_override; 833 if (value >= 0) 834 value += 1; 835 836 pos = scnprintf(buf, bufsz, "%d\n", value); 837 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 838} 839 840static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 841 char __user *user_buf, 842 size_t count, loff_t *ppos) 843{ 844 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 845 char buf[200]; 846 int pos = 0, i; 847 const size_t bufsz = sizeof(buf); 848 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 849 850 pos += scnprintf(buf + pos, bufsz - pos, 851 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 852 pos += scnprintf(buf + pos, bufsz - pos, 853 "RX/TX timeout: %d/%d usec\n", 854 le32_to_cpu(cmd->rx_data_timeout), 855 le32_to_cpu(cmd->tx_data_timeout)); 856 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 857 pos += scnprintf(buf + pos, bufsz - pos, 858 "sleep_interval[%d]: %d\n", i, 859 le32_to_cpu(cmd->sleep_interval[i])); 860 861 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 862} 863 864DEBUGFS_READ_WRITE_FILE_OPS(sram); 865DEBUGFS_WRITE_FILE_OPS(log_event); 866DEBUGFS_READ_FILE_OPS(nvm); 867DEBUGFS_READ_FILE_OPS(stations); 868DEBUGFS_READ_FILE_OPS(channels); 869DEBUGFS_READ_FILE_OPS(status); 870DEBUGFS_READ_WRITE_FILE_OPS(interrupt); 871DEBUGFS_READ_FILE_OPS(qos); 872DEBUGFS_READ_FILE_OPS(led); 873DEBUGFS_READ_FILE_OPS(thermal_throttling); 874DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 875DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 876DEBUGFS_READ_FILE_OPS(current_sleep_command); 877 878static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 879 char __user *user_buf, 880 size_t count, loff_t *ppos) 881{ 882 struct iwl_priv *priv = file->private_data; 883 int pos = 0, ofs = 0; 884 int cnt = 0, entry; 885 struct iwl_tx_queue *txq; 886 struct iwl_queue *q; 887 struct iwl_rx_queue *rxq = &priv->rxq; 888 char *buf; 889 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 890 (priv->cfg->num_of_queues * 32 * 8) + 400; 891 const u8 *ptr; 892 ssize_t ret; 893 894 if (!priv->txq) { 895 IWL_ERR(priv, "txq not ready\n"); 896 return -EAGAIN; 897 } 898 buf = kzalloc(bufsz, GFP_KERNEL); 899 if (!buf) { 900 IWL_ERR(priv, "Can not allocate buffer\n"); 901 return -ENOMEM; 902 } 903 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); 904 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 905 txq = &priv->txq[cnt]; 906 q = &txq->q; 907 pos += scnprintf(buf + pos, bufsz - pos, 908 "q[%d]: read_ptr: %u, write_ptr: %u\n", 909 cnt, q->read_ptr, q->write_ptr); 910 } 911 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { 912 ptr = priv->tx_traffic; 913 pos += scnprintf(buf + pos, bufsz - pos, 914 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 915 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 916 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 917 entry++, ofs += 16) { 918 pos += scnprintf(buf + pos, bufsz - pos, 919 "0x%.4x ", ofs); 920 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 921 buf + pos, bufsz - pos, 0); 922 pos += strlen(buf + pos); 923 if (bufsz - pos > 0) 924 buf[pos++] = '\n'; 925 } 926 } 927 } 928 929 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); 930 pos += scnprintf(buf + pos, bufsz - pos, 931 "read: %u, write: %u\n", 932 rxq->read, rxq->write); 933 934 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { 935 ptr = priv->rx_traffic; 936 pos += scnprintf(buf + pos, bufsz - pos, 937 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 938 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 939 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 940 entry++, ofs += 16) { 941 pos += scnprintf(buf + pos, bufsz - pos, 942 "0x%.4x ", ofs); 943 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 944 buf + pos, bufsz - pos, 0); 945 pos += strlen(buf + pos); 946 if (bufsz - pos > 0) 947 buf[pos++] = '\n'; 948 } 949 } 950 } 951 952 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 953 kfree(buf); 954 return ret; 955} 956 957static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 958 const char __user *user_buf, 959 size_t count, loff_t *ppos) 960{ 961 struct iwl_priv *priv = file->private_data; 962 char buf[8]; 963 int buf_size; 964 int traffic_log; 965 966 memset(buf, 0, sizeof(buf)); 967 buf_size = min(count, sizeof(buf) - 1); 968 if (copy_from_user(buf, user_buf, buf_size)) 969 return -EFAULT; 970 if (sscanf(buf, "%d", &traffic_log) != 1) 971 return -EFAULT; 972 if (traffic_log == 0) 973 iwl_reset_traffic_log(priv); 974 975 return count; 976} 977 978static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, 979 char __user *user_buf, 980 size_t count, loff_t *ppos) { 981 982 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 983 struct iwl_tx_queue *txq; 984 struct iwl_queue *q; 985 char *buf; 986 int pos = 0; 987 int cnt; 988 int ret; 989 const size_t bufsz = sizeof(char) * 60 * priv->cfg->num_of_queues; 990 991 if (!priv->txq) { 992 IWL_ERR(priv, "txq not ready\n"); 993 return -EAGAIN; 994 } 995 buf = kzalloc(bufsz, GFP_KERNEL); 996 if (!buf) 997 return -ENOMEM; 998 999 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 1000 txq = &priv->txq[cnt]; 1001 q = &txq->q; 1002 pos += scnprintf(buf + pos, bufsz - pos, 1003 "hwq %.2d: read=%u write=%u stop=%d" 1004 " swq_id=%#.2x (ac %d/hwq %d)\n", 1005 cnt, q->read_ptr, q->write_ptr, 1006 !!test_bit(cnt, priv->queue_stopped), 1007 txq->swq_id, 1008 txq->swq_id & 0x80 ? txq->swq_id & 3 : 1009 txq->swq_id, 1010 txq->swq_id & 0x80 ? (txq->swq_id >> 2) & 1011 0x1f : txq->swq_id); 1012 if (cnt >= 4) 1013 continue; 1014 /* for the ACs, display the stop count too */ 1015 pos += scnprintf(buf + pos, bufsz - pos, 1016 " stop-count: %d\n", 1017 atomic_read(&priv->queue_stop_count[cnt])); 1018 } 1019 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1020 kfree(buf); 1021 return ret; 1022} 1023 1024static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, 1025 char __user *user_buf, 1026 size_t count, loff_t *ppos) { 1027 1028 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1029 struct iwl_rx_queue *rxq = &priv->rxq; 1030 char buf[256]; 1031 int pos = 0; 1032 const size_t bufsz = sizeof(buf); 1033 1034 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", 1035 rxq->read); 1036 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", 1037 rxq->write); 1038 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", 1039 rxq->free_count); 1040 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", 1041 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); 1042 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1043} 1044 1045#define UCODE_STATISTICS_CLEAR_MSK (0x1 << 0) 1046#define UCODE_STATISTICS_FREQUENCY_MSK (0x1 << 1) 1047#define UCODE_STATISTICS_NARROW_BAND_MSK (0x1 << 2) 1048 1049static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, 1050 int bufsz) 1051{ 1052 int p = 0; 1053 1054 p += scnprintf(buf + p, bufsz - p, 1055 "Statistics Flag(0x%X):\n", 1056 le32_to_cpu(priv->statistics.flag)); 1057 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) 1058 p += scnprintf(buf + p, bufsz - p, 1059 "\tStatistics have been cleared\n"); 1060 p += scnprintf(buf + p, bufsz - p, 1061 "\tOperational Frequency: %s\n", 1062 (le32_to_cpu(priv->statistics.flag) & 1063 UCODE_STATISTICS_FREQUENCY_MSK) 1064 ? "2.4 GHz" : "5.2 GHz"); 1065 p += scnprintf(buf + p, bufsz - p, 1066 "\tTGj Narrow Band: %s\n", 1067 (le32_to_cpu(priv->statistics.flag) & 1068 UCODE_STATISTICS_NARROW_BAND_MSK) 1069 ? "enabled" : "disabled"); 1070 return p; 1071} 1072 1073 1074static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 1075 char __user *user_buf, 1076 size_t count, loff_t *ppos) 1077{ 1078 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1079 int pos = 0; 1080 char *buf; 1081 int bufsz = sizeof(struct statistics_rx_phy) * 20 + 1082 sizeof(struct statistics_rx_non_phy) * 20 + 1083 sizeof(struct statistics_rx_ht_phy) * 20 + 400; 1084 ssize_t ret; 1085 struct statistics_rx_phy *ofdm, *accum_ofdm; 1086 struct statistics_rx_phy *cck, *accum_cck; 1087 struct statistics_rx_non_phy *general, *accum_general; 1088 struct statistics_rx_ht_phy *ht, *accum_ht; 1089 1090 if (!iwl_is_alive(priv)) 1091 return -EAGAIN; 1092 1093 /* make request to uCode to retrieve statistics information */ 1094 mutex_lock(&priv->mutex); 1095 ret = iwl_send_statistics_request(priv, 0); 1096 mutex_unlock(&priv->mutex); 1097 1098 if (ret) { 1099 IWL_ERR(priv, 1100 "Error sending statistics request: %zd\n", ret); 1101 return -EAGAIN; 1102 } 1103 buf = kzalloc(bufsz, GFP_KERNEL); 1104 if (!buf) { 1105 IWL_ERR(priv, "Can not allocate Buffer\n"); 1106 return -ENOMEM; 1107 } 1108 1109 /* the statistic information display here is based on 1110 * the last statistics notification from uCode 1111 * might not reflect the current uCode activity 1112 */ 1113 ofdm = &priv->statistics.rx.ofdm; 1114 cck = &priv->statistics.rx.cck; 1115 general = &priv->statistics.rx.general; 1116 ht = &priv->statistics.rx.ofdm_ht; 1117 accum_ofdm = &priv->accum_statistics.rx.ofdm; 1118 accum_cck = &priv->accum_statistics.rx.cck; 1119 accum_general = &priv->accum_statistics.rx.general; 1120 accum_ht = &priv->accum_statistics.rx.ofdm_ht; 1121 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1122 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n"); 1123 pos += scnprintf(buf + pos, bufsz - pos, 1124 "\t\t\tcurrent\t\t\taccumulative\n"); 1125 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1126 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt); 1127 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1128 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt); 1129 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1130 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err); 1131 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1132 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err); 1133 pos += scnprintf(buf + pos, bufsz - pos, 1134 "overrun_err:\t\t%u\t\t\t%u\n", 1135 le32_to_cpu(ofdm->overrun_err), 1136 accum_ofdm->overrun_err); 1137 pos += scnprintf(buf + pos, bufsz - pos, 1138 "early_overrun_err:\t%u\t\t\t%u\n", 1139 le32_to_cpu(ofdm->early_overrun_err), 1140 accum_ofdm->early_overrun_err); 1141 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1142 le32_to_cpu(ofdm->crc32_good), 1143 accum_ofdm->crc32_good); 1144 pos += scnprintf(buf + pos, bufsz - pos, 1145 "false_alarm_cnt:\t%u\t\t\t%u\n", 1146 le32_to_cpu(ofdm->false_alarm_cnt), 1147 accum_ofdm->false_alarm_cnt); 1148 pos += scnprintf(buf + pos, bufsz - pos, 1149 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1150 le32_to_cpu(ofdm->fina_sync_err_cnt), 1151 accum_ofdm->fina_sync_err_cnt); 1152 pos += scnprintf(buf + pos, bufsz - pos, 1153 "sfd_timeout:\t\t%u\t\t\t%u\n", 1154 le32_to_cpu(ofdm->sfd_timeout), 1155 accum_ofdm->sfd_timeout); 1156 pos += scnprintf(buf + pos, bufsz - pos, 1157 "fina_timeout:\t\t%u\t\t\t%u\n", 1158 le32_to_cpu(ofdm->fina_timeout), 1159 accum_ofdm->fina_timeout); 1160 pos += scnprintf(buf + pos, bufsz - pos, 1161 "unresponded_rts:\t%u\t\t\t%u\n", 1162 le32_to_cpu(ofdm->unresponded_rts), 1163 accum_ofdm->unresponded_rts); 1164 pos += scnprintf(buf + pos, bufsz - pos, 1165 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1166 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1167 accum_ofdm->rxe_frame_limit_overrun); 1168 pos += scnprintf(buf + pos, bufsz - pos, 1169 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1170 le32_to_cpu(ofdm->sent_ack_cnt), 1171 accum_ofdm->sent_ack_cnt); 1172 pos += scnprintf(buf + pos, bufsz - pos, 1173 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1174 le32_to_cpu(ofdm->sent_cts_cnt), 1175 accum_ofdm->sent_cts_cnt); 1176 pos += scnprintf(buf + pos, bufsz - pos, 1177 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1178 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1179 accum_ofdm->sent_ba_rsp_cnt); 1180 pos += scnprintf(buf + pos, bufsz - pos, 1181 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1182 le32_to_cpu(ofdm->dsp_self_kill), 1183 accum_ofdm->dsp_self_kill); 1184 pos += scnprintf(buf + pos, bufsz - pos, 1185 "mh_format_err:\t\t%u\t\t\t%u\n", 1186 le32_to_cpu(ofdm->mh_format_err), 1187 accum_ofdm->mh_format_err); 1188 pos += scnprintf(buf + pos, bufsz - pos, 1189 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1190 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1191 accum_ofdm->re_acq_main_rssi_sum); 1192 1193 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n"); 1194 pos += scnprintf(buf + pos, bufsz - pos, 1195 "\t\t\tcurrent\t\t\taccumulative\n"); 1196 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1197 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt); 1198 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1199 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt); 1200 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1201 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err); 1202 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1203 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err); 1204 pos += scnprintf(buf + pos, bufsz - pos, 1205 "overrun_err:\t\t%u\t\t\t%u\n", 1206 le32_to_cpu(cck->overrun_err), 1207 accum_cck->overrun_err); 1208 pos += scnprintf(buf + pos, bufsz - pos, 1209 "early_overrun_err:\t%u\t\t\t%u\n", 1210 le32_to_cpu(cck->early_overrun_err), 1211 accum_cck->early_overrun_err); 1212 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1213 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good); 1214 pos += scnprintf(buf + pos, bufsz - pos, 1215 "false_alarm_cnt:\t%u\t\t\t%u\n", 1216 le32_to_cpu(cck->false_alarm_cnt), 1217 accum_cck->false_alarm_cnt); 1218 pos += scnprintf(buf + pos, bufsz - pos, 1219 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1220 le32_to_cpu(cck->fina_sync_err_cnt), 1221 accum_cck->fina_sync_err_cnt); 1222 pos += scnprintf(buf + pos, bufsz - pos, 1223 "sfd_timeout:\t\t%u\t\t\t%u\n", 1224 le32_to_cpu(cck->sfd_timeout), 1225 accum_cck->sfd_timeout); 1226 pos += scnprintf(buf + pos, bufsz - pos, 1227 "fina_timeout:\t\t%u\t\t\t%u\n", 1228 le32_to_cpu(cck->fina_timeout), 1229 accum_cck->fina_timeout); 1230 pos += scnprintf(buf + pos, bufsz - pos, 1231 "unresponded_rts:\t%u\t\t\t%u\n", 1232 le32_to_cpu(cck->unresponded_rts), 1233 accum_cck->unresponded_rts); 1234 pos += scnprintf(buf + pos, bufsz - pos, 1235 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1236 le32_to_cpu(cck->rxe_frame_limit_overrun), 1237 accum_cck->rxe_frame_limit_overrun); 1238 pos += scnprintf(buf + pos, bufsz - pos, 1239 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1240 le32_to_cpu(cck->sent_ack_cnt), 1241 accum_cck->sent_ack_cnt); 1242 pos += scnprintf(buf + pos, bufsz - pos, 1243 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1244 le32_to_cpu(cck->sent_cts_cnt), 1245 accum_cck->sent_cts_cnt); 1246 pos += scnprintf(buf + pos, bufsz - pos, 1247 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1248 le32_to_cpu(cck->sent_ba_rsp_cnt), 1249 accum_cck->sent_ba_rsp_cnt); 1250 pos += scnprintf(buf + pos, bufsz - pos, 1251 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1252 le32_to_cpu(cck->dsp_self_kill), 1253 accum_cck->dsp_self_kill); 1254 pos += scnprintf(buf + pos, bufsz - pos, 1255 "mh_format_err:\t\t%u\t\t\t%u\n", 1256 le32_to_cpu(cck->mh_format_err), 1257 accum_cck->mh_format_err); 1258 pos += scnprintf(buf + pos, bufsz - pos, 1259 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1260 le32_to_cpu(cck->re_acq_main_rssi_sum), 1261 accum_cck->re_acq_main_rssi_sum); 1262 1263 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n"); 1264 pos += scnprintf(buf + pos, bufsz - pos, 1265 "\t\t\tcurrent\t\t\taccumulative\n"); 1266 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n", 1267 le32_to_cpu(general->bogus_cts), 1268 accum_general->bogus_cts); 1269 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n", 1270 le32_to_cpu(general->bogus_ack), 1271 accum_general->bogus_ack); 1272 pos += scnprintf(buf + pos, bufsz - pos, 1273 "non_bssid_frames:\t%u\t\t\t%u\n", 1274 le32_to_cpu(general->non_bssid_frames), 1275 accum_general->non_bssid_frames); 1276 pos += scnprintf(buf + pos, bufsz - pos, 1277 "filtered_frames:\t%u\t\t\t%u\n", 1278 le32_to_cpu(general->filtered_frames), 1279 accum_general->filtered_frames); 1280 pos += scnprintf(buf + pos, bufsz - pos, 1281 "non_channel_beacons:\t%u\t\t\t%u\n", 1282 le32_to_cpu(general->non_channel_beacons), 1283 accum_general->non_channel_beacons); 1284 pos += scnprintf(buf + pos, bufsz - pos, 1285 "channel_beacons:\t%u\t\t\t%u\n", 1286 le32_to_cpu(general->channel_beacons), 1287 accum_general->channel_beacons); 1288 pos += scnprintf(buf + pos, bufsz - pos, 1289 "num_missed_bcon:\t%u\t\t\t%u\n", 1290 le32_to_cpu(general->num_missed_bcon), 1291 accum_general->num_missed_bcon); 1292 pos += scnprintf(buf + pos, bufsz - pos, 1293 "adc_rx_saturation_time:\t%u\t\t\t%u\n", 1294 le32_to_cpu(general->adc_rx_saturation_time), 1295 accum_general->adc_rx_saturation_time); 1296 pos += scnprintf(buf + pos, bufsz - pos, 1297 "ina_detect_search_tm:\t%u\t\t\t%u\n", 1298 le32_to_cpu(general->ina_detection_search_time), 1299 accum_general->ina_detection_search_time); 1300 pos += scnprintf(buf + pos, bufsz - pos, 1301 "beacon_silence_rssi_a:\t%u\t\t\t%u\n", 1302 le32_to_cpu(general->beacon_silence_rssi_a), 1303 accum_general->beacon_silence_rssi_a); 1304 pos += scnprintf(buf + pos, bufsz - pos, 1305 "beacon_silence_rssi_b:\t%u\t\t\t%u\n", 1306 le32_to_cpu(general->beacon_silence_rssi_b), 1307 accum_general->beacon_silence_rssi_b); 1308 pos += scnprintf(buf + pos, bufsz - pos, 1309 "beacon_silence_rssi_c:\t%u\t\t\t%u\n", 1310 le32_to_cpu(general->beacon_silence_rssi_c), 1311 accum_general->beacon_silence_rssi_c); 1312 pos += scnprintf(buf + pos, bufsz - pos, 1313 "interference_data_flag:\t%u\t\t\t%u\n", 1314 le32_to_cpu(general->interference_data_flag), 1315 accum_general->interference_data_flag); 1316 pos += scnprintf(buf + pos, bufsz - pos, 1317 "channel_load:\t\t%u\t\t\t%u\n", 1318 le32_to_cpu(general->channel_load), 1319 accum_general->channel_load); 1320 pos += scnprintf(buf + pos, bufsz - pos, 1321 "dsp_false_alarms:\t%u\t\t\t%u\n", 1322 le32_to_cpu(general->dsp_false_alarms), 1323 accum_general->dsp_false_alarms); 1324 pos += scnprintf(buf + pos, bufsz - pos, 1325 "beacon_rssi_a:\t\t%u\t\t\t%u\n", 1326 le32_to_cpu(general->beacon_rssi_a), 1327 accum_general->beacon_rssi_a); 1328 pos += scnprintf(buf + pos, bufsz - pos, 1329 "beacon_rssi_b:\t\t%u\t\t\t%u\n", 1330 le32_to_cpu(general->beacon_rssi_b), 1331 accum_general->beacon_rssi_b); 1332 pos += scnprintf(buf + pos, bufsz - pos, 1333 "beacon_rssi_c:\t\t%u\t\t\t%u\n", 1334 le32_to_cpu(general->beacon_rssi_c), 1335 accum_general->beacon_rssi_c); 1336 pos += scnprintf(buf + pos, bufsz - pos, 1337 "beacon_energy_a:\t%u\t\t\t%u\n", 1338 le32_to_cpu(general->beacon_energy_a), 1339 accum_general->beacon_energy_a); 1340 pos += scnprintf(buf + pos, bufsz - pos, 1341 "beacon_energy_b:\t%u\t\t\t%u\n", 1342 le32_to_cpu(general->beacon_energy_b), 1343 accum_general->beacon_energy_b); 1344 pos += scnprintf(buf + pos, bufsz - pos, 1345 "beacon_energy_c:\t%u\t\t\t%u\n", 1346 le32_to_cpu(general->beacon_energy_c), 1347 accum_general->beacon_energy_c); 1348 1349 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); 1350 pos += scnprintf(buf + pos, bufsz - pos, 1351 "\t\t\tcurrent\t\t\taccumulative\n"); 1352 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1353 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err); 1354 pos += scnprintf(buf + pos, bufsz - pos, 1355 "overrun_err:\t\t%u\t\t\t%u\n", 1356 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err); 1357 pos += scnprintf(buf + pos, bufsz - pos, 1358 "early_overrun_err:\t%u\t\t\t%u\n", 1359 le32_to_cpu(ht->early_overrun_err), 1360 accum_ht->early_overrun_err); 1361 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1362 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good); 1363 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1364 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err); 1365 pos += scnprintf(buf + pos, bufsz - pos, 1366 "mh_format_err:\t\t%u\t\t\t%u\n", 1367 le32_to_cpu(ht->mh_format_err), 1368 accum_ht->mh_format_err); 1369 pos += scnprintf(buf + pos, bufsz - pos, 1370 "agg_crc32_good:\t\t%u\t\t\t%u\n", 1371 le32_to_cpu(ht->agg_crc32_good), 1372 accum_ht->agg_crc32_good); 1373 pos += scnprintf(buf + pos, bufsz - pos, 1374 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n", 1375 le32_to_cpu(ht->agg_mpdu_cnt), 1376 accum_ht->agg_mpdu_cnt); 1377 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n", 1378 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt); 1379 1380 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1381 kfree(buf); 1382 return ret; 1383} 1384 1385static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1386 char __user *user_buf, 1387 size_t count, loff_t *ppos) 1388{ 1389 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1390 int pos = 0; 1391 char *buf; 1392 int bufsz = (sizeof(struct statistics_tx) * 24) + 250; 1393 ssize_t ret; 1394 struct statistics_tx *tx, *accum_tx; 1395 1396 if (!iwl_is_alive(priv)) 1397 return -EAGAIN; 1398 1399 /* make request to uCode to retrieve statistics information */ 1400 mutex_lock(&priv->mutex); 1401 ret = iwl_send_statistics_request(priv, 0); 1402 mutex_unlock(&priv->mutex); 1403 1404 if (ret) { 1405 IWL_ERR(priv, 1406 "Error sending statistics request: %zd\n", ret); 1407 return -EAGAIN; 1408 } 1409 buf = kzalloc(bufsz, GFP_KERNEL); 1410 if (!buf) { 1411 IWL_ERR(priv, "Can not allocate Buffer\n"); 1412 return -ENOMEM; 1413 } 1414 1415 /* the statistic information display here is based on 1416 * the last statistics notification from uCode 1417 * might not reflect the current uCode activity 1418 */ 1419 tx = &priv->statistics.tx; 1420 accum_tx = &priv->accum_statistics.tx; 1421 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1422 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n"); 1423 pos += scnprintf(buf + pos, bufsz - pos, 1424 "\t\t\tcurrent\t\t\taccumulative\n"); 1425 pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n", 1426 le32_to_cpu(tx->preamble_cnt), 1427 accum_tx->preamble_cnt); 1428 pos += scnprintf(buf + pos, bufsz - pos, 1429 "rx_detected_cnt:\t\t%u\t\t\t%u\n", 1430 le32_to_cpu(tx->rx_detected_cnt), 1431 accum_tx->rx_detected_cnt); 1432 pos += scnprintf(buf + pos, bufsz - pos, 1433 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n", 1434 le32_to_cpu(tx->bt_prio_defer_cnt), 1435 accum_tx->bt_prio_defer_cnt); 1436 pos += scnprintf(buf + pos, bufsz - pos, 1437 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n", 1438 le32_to_cpu(tx->bt_prio_kill_cnt), 1439 accum_tx->bt_prio_kill_cnt); 1440 pos += scnprintf(buf + pos, bufsz - pos, 1441 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n", 1442 le32_to_cpu(tx->few_bytes_cnt), 1443 accum_tx->few_bytes_cnt); 1444 pos += scnprintf(buf + pos, bufsz - pos, 1445 "cts_timeout:\t\t\t%u\t\t\t%u\n", 1446 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout); 1447 pos += scnprintf(buf + pos, bufsz - pos, 1448 "ack_timeout:\t\t\t%u\t\t\t%u\n", 1449 le32_to_cpu(tx->ack_timeout), 1450 accum_tx->ack_timeout); 1451 pos += scnprintf(buf + pos, bufsz - pos, 1452 "expected_ack_cnt:\t\t%u\t\t\t%u\n", 1453 le32_to_cpu(tx->expected_ack_cnt), 1454 accum_tx->expected_ack_cnt); 1455 pos += scnprintf(buf + pos, bufsz - pos, 1456 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n", 1457 le32_to_cpu(tx->actual_ack_cnt), 1458 accum_tx->actual_ack_cnt); 1459 pos += scnprintf(buf + pos, bufsz - pos, 1460 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n", 1461 le32_to_cpu(tx->dump_msdu_cnt), 1462 accum_tx->dump_msdu_cnt); 1463 pos += scnprintf(buf + pos, bufsz - pos, 1464 "abort_nxt_frame_mismatch:" 1465 "\t%u\t\t\t%u\n", 1466 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1467 accum_tx->burst_abort_next_frame_mismatch_cnt); 1468 pos += scnprintf(buf + pos, bufsz - pos, 1469 "abort_missing_nxt_frame:" 1470 "\t%u\t\t\t%u\n", 1471 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1472 accum_tx->burst_abort_missing_next_frame_cnt); 1473 pos += scnprintf(buf + pos, bufsz - pos, 1474 "cts_timeout_collision:\t\t%u\t\t\t%u\n", 1475 le32_to_cpu(tx->cts_timeout_collision), 1476 accum_tx->cts_timeout_collision); 1477 pos += scnprintf(buf + pos, bufsz - pos, 1478 "ack_ba_timeout_collision:\t%u\t\t\t%u\n", 1479 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1480 accum_tx->ack_or_ba_timeout_collision); 1481 pos += scnprintf(buf + pos, bufsz - pos, 1482 "agg ba_timeout:\t\t\t%u\t\t\t%u\n", 1483 le32_to_cpu(tx->agg.ba_timeout), 1484 accum_tx->agg.ba_timeout); 1485 pos += scnprintf(buf + pos, bufsz - pos, 1486 "agg ba_resched_frames:\t\t%u\t\t\t%u\n", 1487 le32_to_cpu(tx->agg.ba_reschedule_frames), 1488 accum_tx->agg.ba_reschedule_frames); 1489 pos += scnprintf(buf + pos, bufsz - pos, 1490 "agg scd_query_agg_frame:\t%u\t\t\t%u\n", 1491 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1492 accum_tx->agg.scd_query_agg_frame_cnt); 1493 pos += scnprintf(buf + pos, bufsz - pos, 1494 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n", 1495 le32_to_cpu(tx->agg.scd_query_no_agg), 1496 accum_tx->agg.scd_query_no_agg); 1497 pos += scnprintf(buf + pos, bufsz - pos, 1498 "agg scd_query_agg:\t\t%u\t\t\t%u\n", 1499 le32_to_cpu(tx->agg.scd_query_agg), 1500 accum_tx->agg.scd_query_agg); 1501 pos += scnprintf(buf + pos, bufsz - pos, 1502 "agg scd_query_mismatch:\t\t%u\t\t\t%u\n", 1503 le32_to_cpu(tx->agg.scd_query_mismatch), 1504 accum_tx->agg.scd_query_mismatch); 1505 pos += scnprintf(buf + pos, bufsz - pos, 1506 "agg frame_not_ready:\t\t%u\t\t\t%u\n", 1507 le32_to_cpu(tx->agg.frame_not_ready), 1508 accum_tx->agg.frame_not_ready); 1509 pos += scnprintf(buf + pos, bufsz - pos, 1510 "agg underrun:\t\t\t%u\t\t\t%u\n", 1511 le32_to_cpu(tx->agg.underrun), 1512 accum_tx->agg.underrun); 1513 pos += scnprintf(buf + pos, bufsz - pos, 1514 "agg bt_prio_kill:\t\t%u\t\t\t%u\n", 1515 le32_to_cpu(tx->agg.bt_prio_kill), 1516 accum_tx->agg.bt_prio_kill); 1517 pos += scnprintf(buf + pos, bufsz - pos, 1518 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n", 1519 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1520 accum_tx->agg.rx_ba_rsp_cnt); 1521 1522 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1523 kfree(buf); 1524 return ret; 1525} 1526 1527static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1528 char __user *user_buf, 1529 size_t count, loff_t *ppos) 1530{ 1531 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1532 int pos = 0; 1533 char *buf; 1534 int bufsz = sizeof(struct statistics_general) * 4 + 250; 1535 ssize_t ret; 1536 struct statistics_general *general, *accum_general; 1537 struct statistics_dbg *dbg, *accum_dbg; 1538 struct statistics_div *div, *accum_div; 1539 1540 if (!iwl_is_alive(priv)) 1541 return -EAGAIN; 1542 1543 /* make request to uCode to retrieve statistics information */ 1544 mutex_lock(&priv->mutex); 1545 ret = iwl_send_statistics_request(priv, 0); 1546 mutex_unlock(&priv->mutex); 1547 1548 if (ret) { 1549 IWL_ERR(priv, 1550 "Error sending statistics request: %zd\n", ret); 1551 return -EAGAIN; 1552 } 1553 buf = kzalloc(bufsz, GFP_KERNEL); 1554 if (!buf) { 1555 IWL_ERR(priv, "Can not allocate Buffer\n"); 1556 return -ENOMEM; 1557 } 1558 1559 /* the statistic information display here is based on 1560 * the last statistics notification from uCode 1561 * might not reflect the current uCode activity 1562 */ 1563 general = &priv->statistics.general; 1564 dbg = &priv->statistics.general.dbg; 1565 div = &priv->statistics.general.div; 1566 accum_general = &priv->accum_statistics.general; 1567 accum_dbg = &priv->accum_statistics.general.dbg; 1568 accum_div = &priv->accum_statistics.general.div; 1569 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1570 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n"); 1571 pos += scnprintf(buf + pos, bufsz - pos, 1572 "\t\t\tcurrent\t\t\taccumulative\n"); 1573 pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n", 1574 le32_to_cpu(general->temperature)); 1575 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n", 1576 le32_to_cpu(general->temperature_m)); 1577 pos += scnprintf(buf + pos, bufsz - pos, 1578 "burst_check:\t\t\t%u\t\t\t%u\n", 1579 le32_to_cpu(dbg->burst_check), 1580 accum_dbg->burst_check); 1581 pos += scnprintf(buf + pos, bufsz - pos, 1582 "burst_count:\t\t\t%u\t\t\t%u\n", 1583 le32_to_cpu(dbg->burst_count), 1584 accum_dbg->burst_count); 1585 pos += scnprintf(buf + pos, bufsz - pos, 1586 "sleep_time:\t\t\t%u\t\t\t%u\n", 1587 le32_to_cpu(general->sleep_time), 1588 accum_general->sleep_time); 1589 pos += scnprintf(buf + pos, bufsz - pos, 1590 "slots_out:\t\t\t%u\t\t\t%u\n", 1591 le32_to_cpu(general->slots_out), 1592 accum_general->slots_out); 1593 pos += scnprintf(buf + pos, bufsz - pos, 1594 "slots_idle:\t\t\t%u\t\t\t%u\n", 1595 le32_to_cpu(general->slots_idle), 1596 accum_general->slots_idle); 1597 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", 1598 le32_to_cpu(general->ttl_timestamp)); 1599 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n", 1600 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a); 1601 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n", 1602 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b); 1603 pos += scnprintf(buf + pos, bufsz - pos, 1604 "exec_time:\t\t\t%u\t\t\t%u\n", 1605 le32_to_cpu(div->exec_time), accum_div->exec_time); 1606 pos += scnprintf(buf + pos, bufsz - pos, 1607 "probe_time:\t\t\t%u\t\t\t%u\n", 1608 le32_to_cpu(div->probe_time), accum_div->probe_time); 1609 pos += scnprintf(buf + pos, bufsz - pos, 1610 "rx_enable_counter:\t\t%u\t\t\t%u\n", 1611 le32_to_cpu(general->rx_enable_counter), 1612 accum_general->rx_enable_counter); 1613 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1614 kfree(buf); 1615 return ret; 1616} 1617 1618static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1619 char __user *user_buf, 1620 size_t count, loff_t *ppos) { 1621 1622 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1623 int pos = 0; 1624 int cnt = 0; 1625 char *buf; 1626 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1627 ssize_t ret; 1628 struct iwl_sensitivity_data *data; 1629 1630 data = &priv->sensitivity_data; 1631 buf = kzalloc(bufsz, GFP_KERNEL); 1632 if (!buf) { 1633 IWL_ERR(priv, "Can not allocate Buffer\n"); 1634 return -ENOMEM; 1635 } 1636 1637 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1638 data->auto_corr_ofdm); 1639 pos += scnprintf(buf + pos, bufsz - pos, 1640 "auto_corr_ofdm_mrc:\t\t %u\n", 1641 data->auto_corr_ofdm_mrc); 1642 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1643 data->auto_corr_ofdm_x1); 1644 pos += scnprintf(buf + pos, bufsz - pos, 1645 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1646 data->auto_corr_ofdm_mrc_x1); 1647 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1648 data->auto_corr_cck); 1649 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1650 data->auto_corr_cck_mrc); 1651 pos += scnprintf(buf + pos, bufsz - pos, 1652 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1653 data->last_bad_plcp_cnt_ofdm); 1654 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1655 data->last_fa_cnt_ofdm); 1656 pos += scnprintf(buf + pos, bufsz - pos, 1657 "last_bad_plcp_cnt_cck:\t\t %u\n", 1658 data->last_bad_plcp_cnt_cck); 1659 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1660 data->last_fa_cnt_cck); 1661 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1662 data->nrg_curr_state); 1663 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1664 data->nrg_prev_state); 1665 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1666 for (cnt = 0; cnt < 10; cnt++) { 1667 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1668 data->nrg_value[cnt]); 1669 } 1670 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1671 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1672 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1673 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1674 data->nrg_silence_rssi[cnt]); 1675 } 1676 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1677 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1678 data->nrg_silence_ref); 1679 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1680 data->nrg_energy_idx); 1681 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1682 data->nrg_silence_idx); 1683 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1684 data->nrg_th_cck); 1685 pos += scnprintf(buf + pos, bufsz - pos, 1686 "nrg_auto_corr_silence_diff:\t %u\n", 1687 data->nrg_auto_corr_silence_diff); 1688 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1689 data->num_in_cck_no_fa); 1690 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1691 data->nrg_th_ofdm); 1692 1693 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1694 kfree(buf); 1695 return ret; 1696} 1697 1698 1699static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1700 char __user *user_buf, 1701 size_t count, loff_t *ppos) { 1702 1703 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1704 int pos = 0; 1705 int cnt = 0; 1706 char *buf; 1707 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1708 ssize_t ret; 1709 struct iwl_chain_noise_data *data; 1710 1711 data = &priv->chain_noise_data; 1712 buf = kzalloc(bufsz, GFP_KERNEL); 1713 if (!buf) { 1714 IWL_ERR(priv, "Can not allocate Buffer\n"); 1715 return -ENOMEM; 1716 } 1717 1718 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1719 data->active_chains); 1720 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1721 data->chain_noise_a); 1722 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1723 data->chain_noise_b); 1724 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1725 data->chain_noise_c); 1726 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1727 data->chain_signal_a); 1728 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1729 data->chain_signal_b); 1730 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1731 data->chain_signal_c); 1732 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1733 data->beacon_count); 1734 1735 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1736 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1737 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1738 data->disconn_array[cnt]); 1739 } 1740 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1741 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1742 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1743 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1744 data->delta_gain_code[cnt]); 1745 } 1746 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1747 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1748 data->radio_write); 1749 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1750 data->state); 1751 1752 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1753 kfree(buf); 1754 return ret; 1755} 1756 1757static ssize_t iwl_dbgfs_tx_power_read(struct file *file, 1758 char __user *user_buf, 1759 size_t count, loff_t *ppos) { 1760 1761 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1762 char buf[128]; 1763 int pos = 0; 1764 ssize_t ret; 1765 const size_t bufsz = sizeof(buf); 1766 struct statistics_tx *tx; 1767 1768 if (!iwl_is_alive(priv)) 1769 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1770 else { 1771 /* make request to uCode to retrieve statistics information */ 1772 mutex_lock(&priv->mutex); 1773 ret = iwl_send_statistics_request(priv, 0); 1774 mutex_unlock(&priv->mutex); 1775 1776 if (ret) { 1777 IWL_ERR(priv, "Error sending statistics request: %zd\n", 1778 ret); 1779 return -EAGAIN; 1780 } 1781 tx = &priv->statistics.tx; 1782 if (tx->tx_power.ant_a || 1783 tx->tx_power.ant_b || 1784 tx->tx_power.ant_c) { 1785 pos += scnprintf(buf + pos, bufsz - pos, 1786 "tx power: (1/2 dB step)\n"); 1787 if ((priv->cfg->valid_tx_ant & ANT_A) && 1788 tx->tx_power.ant_a) 1789 pos += scnprintf(buf + pos, bufsz - pos, 1790 "\tantenna A: 0x%X\n", 1791 tx->tx_power.ant_a); 1792 if ((priv->cfg->valid_tx_ant & ANT_B) && 1793 tx->tx_power.ant_b) 1794 pos += scnprintf(buf + pos, bufsz - pos, 1795 "\tantenna B: 0x%X\n", 1796 tx->tx_power.ant_b); 1797 if ((priv->cfg->valid_tx_ant & ANT_C) && 1798 tx->tx_power.ant_c) 1799 pos += scnprintf(buf + pos, bufsz - pos, 1800 "\tantenna C: 0x%X\n", 1801 tx->tx_power.ant_c); 1802 } else 1803 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1804 } 1805 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1806} 1807 1808static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1809 char __user *user_buf, 1810 size_t count, loff_t *ppos) 1811{ 1812 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1813 char buf[60]; 1814 int pos = 0; 1815 const size_t bufsz = sizeof(buf); 1816 u32 pwrsave_status; 1817 1818 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & 1819 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1820 1821 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1822 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1823 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1824 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1825 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1826 "error"); 1827 1828 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1829} 1830 1831DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics); 1832DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics); 1833DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 1834DEBUGFS_READ_FILE_OPS(rx_queue); 1835DEBUGFS_READ_FILE_OPS(tx_queue); 1836DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 1837DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 1838DEBUGFS_READ_FILE_OPS(ucode_general_stats); 1839DEBUGFS_READ_FILE_OPS(sensitivity); 1840DEBUGFS_READ_FILE_OPS(chain_noise); 1841DEBUGFS_READ_FILE_OPS(tx_power); 1842DEBUGFS_READ_FILE_OPS(power_save_status); 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); 1872 DEBUGFS_ADD_FILE(sram, data); 1873 DEBUGFS_ADD_FILE(log_event, data); 1874 DEBUGFS_ADD_FILE(stations, data); 1875 DEBUGFS_ADD_FILE(channels, data); 1876 DEBUGFS_ADD_FILE(status, data); 1877 DEBUGFS_ADD_FILE(interrupt, data); 1878 DEBUGFS_ADD_FILE(qos, data); 1879 DEBUGFS_ADD_FILE(led, data); 1880 DEBUGFS_ADD_FILE(sleep_level_override, data); 1881 DEBUGFS_ADD_FILE(current_sleep_command, data); 1882 DEBUGFS_ADD_FILE(thermal_throttling, data); 1883 DEBUGFS_ADD_FILE(disable_ht40, data); 1884 DEBUGFS_ADD_FILE(rx_statistics, debug); 1885 DEBUGFS_ADD_FILE(tx_statistics, debug); 1886 DEBUGFS_ADD_FILE(traffic_log, debug); 1887 DEBUGFS_ADD_FILE(rx_queue, debug); 1888 DEBUGFS_ADD_FILE(tx_queue, debug); 1889 DEBUGFS_ADD_FILE(tx_power, debug); 1890 DEBUGFS_ADD_FILE(power_save_status, debug); 1891 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 1892 DEBUGFS_ADD_FILE(ucode_rx_stats, debug); 1893 DEBUGFS_ADD_FILE(ucode_tx_stats, debug); 1894 DEBUGFS_ADD_FILE(ucode_general_stats, debug); 1895 DEBUGFS_ADD_FILE(sensitivity, debug); 1896 DEBUGFS_ADD_FILE(chain_noise, debug); 1897 } 1898 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); 1899 DEBUGFS_ADD_BOOL(disable_chain_noise, rf, 1900 &priv->disable_chain_noise_cal); 1901 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 1902 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 1903 DEBUGFS_ADD_BOOL(disable_tx_power, rf, 1904 &priv->disable_tx_power_cal); 1905 return 0; 1906 1907err: 1908 IWL_ERR(priv, "Can't open the debugfs directory\n"); 1909 iwl_dbgfs_unregister(priv); 1910 return ret; 1911} 1912EXPORT_SYMBOL(iwl_dbgfs_register); 1913 1914/** 1915 * Remove the debugfs files and directories 1916 * 1917 */ 1918void iwl_dbgfs_unregister(struct iwl_priv *priv) 1919{ 1920 if (!priv->dbgfs) 1921 return; 1922 1923 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override); 1924 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command); 1925 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm); 1926 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram); 1927 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event); 1928 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations); 1929 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels); 1930 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status); 1931 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt); 1932 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos); 1933 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led); 1934 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling); 1935 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40); 1936 DEBUGFS_REMOVE(priv->dbgfs->dir_data); 1937 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics); 1938 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics); 1939 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log); 1940 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue); 1941 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue); 1942 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power); 1943 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status); 1944 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 1945 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1946 file_ucode_rx_stats); 1947 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1948 file_ucode_tx_stats); 1949 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1950 file_ucode_general_stats); 1951 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1952 file_sensitivity); 1953 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 1954 file_chain_noise); 1955 } 1956 DEBUGFS_REMOVE(priv->dbgfs->dir_debug); 1957 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); 1958 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise); 1959 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 1960 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 1961 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power); 1962 DEBUGFS_REMOVE(priv->dbgfs->dir_rf); 1963 DEBUGFS_REMOVE(priv->dbgfs->dir_drv); 1964 kfree(priv->dbgfs); 1965 priv->dbgfs = NULL; 1966} 1967EXPORT_SYMBOL(iwl_dbgfs_unregister); 1968 1969 1970 1971