iwl-debugfs.c revision a9e1cb6a78ea8a74c49bf76726a2942f636a833b
1/****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of version 2 of the GNU General Public License as 9 * published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 19 * USA 20 * 21 * The full GNU General Public License is included in this distribution 22 * in the file called LICENSE.GPL. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <ilw@linux.intel.com> 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27 *****************************************************************************/ 28 29#include <linux/kernel.h> 30#include <linux/module.h> 31#include <linux/debugfs.h> 32 33#include <linux/ieee80211.h> 34#include <net/mac80211.h> 35 36 37#include "iwl-dev.h" 38#include "iwl-debug.h" 39#include "iwl-core.h" 40#include "iwl-io.h" 41#include "iwl-calib.h" 42 43/* create and remove of files */ 44#define DEBUGFS_ADD_DIR(name, parent) do { \ 45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \ 46 if (!(dbgfs->dir_##name)) \ 47 goto err; \ 48} while (0) 49 50#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 51 dbgfs->dbgfs_##parent##_files.file_##name = \ 52 debugfs_create_file(#name, mode, \ 53 dbgfs->dir_##parent, priv, \ 54 &iwl_dbgfs_##name##_ops); \ 55 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \ 56 goto err; \ 57} while (0) 58 59#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 60 dbgfs->dbgfs_##parent##_files.file_##name = \ 61 debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 62 dbgfs->dir_##parent, ptr); \ 63 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ 64 || !dbgfs->dbgfs_##parent##_files.file_##name) \ 65 goto err; \ 66} while (0) 67 68#define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 69 dbgfs->dbgfs_##parent##_files.file_##name = \ 70 debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr); \ 71 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ 72 || !dbgfs->dbgfs_##parent##_files.file_##name) \ 73 goto err; \ 74} while (0) 75 76#define DEBUGFS_REMOVE(name) do { \ 77 debugfs_remove(name); \ 78 name = NULL; \ 79} while (0); 80 81/* file operation */ 82#define DEBUGFS_READ_FUNC(name) \ 83static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ 84 char __user *user_buf, \ 85 size_t count, loff_t *ppos); 86 87#define DEBUGFS_WRITE_FUNC(name) \ 88static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ 89 const char __user *user_buf, \ 90 size_t count, loff_t *ppos); 91 92 93static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) 94{ 95 file->private_data = inode->i_private; 96 return 0; 97} 98 99#define DEBUGFS_READ_FILE_OPS(name) \ 100 DEBUGFS_READ_FUNC(name); \ 101static const struct file_operations iwl_dbgfs_##name##_ops = { \ 102 .read = iwl_dbgfs_##name##_read, \ 103 .open = iwl_dbgfs_open_file_generic, \ 104}; 105 106#define DEBUGFS_WRITE_FILE_OPS(name) \ 107 DEBUGFS_WRITE_FUNC(name); \ 108static const struct file_operations iwl_dbgfs_##name##_ops = { \ 109 .write = iwl_dbgfs_##name##_write, \ 110 .open = iwl_dbgfs_open_file_generic, \ 111}; 112 113 114#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 115 DEBUGFS_READ_FUNC(name); \ 116 DEBUGFS_WRITE_FUNC(name); \ 117static const struct file_operations iwl_dbgfs_##name##_ops = { \ 118 .write = iwl_dbgfs_##name##_write, \ 119 .read = iwl_dbgfs_##name##_read, \ 120 .open = iwl_dbgfs_open_file_generic, \ 121}; 122 123 124static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, 125 char __user *user_buf, 126 size_t count, loff_t *ppos) { 127 128 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 129 char *buf; 130 int pos = 0; 131 132 int cnt; 133 ssize_t ret; 134 const size_t bufsz = 100 + 135 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 136 buf = kzalloc(bufsz, GFP_KERNEL); 137 if (!buf) 138 return -ENOMEM; 139 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 140 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 141 pos += scnprintf(buf + pos, bufsz - pos, 142 "\t%25s\t\t: %u\n", 143 get_mgmt_string(cnt), 144 priv->tx_stats.mgmt[cnt]); 145 } 146 pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); 147 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 148 pos += scnprintf(buf + pos, bufsz - pos, 149 "\t%25s\t\t: %u\n", 150 get_ctrl_string(cnt), 151 priv->tx_stats.ctrl[cnt]); 152 } 153 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 154 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 155 priv->tx_stats.data_cnt); 156 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 157 priv->tx_stats.data_bytes); 158 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 159 kfree(buf); 160 return ret; 161} 162 163static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, 164 const char __user *user_buf, 165 size_t count, loff_t *ppos) 166{ 167 struct iwl_priv *priv = file->private_data; 168 u32 clear_flag; 169 char buf[8]; 170 int buf_size; 171 172 memset(buf, 0, sizeof(buf)); 173 buf_size = min(count, sizeof(buf) - 1); 174 if (copy_from_user(buf, user_buf, buf_size)) 175 return -EFAULT; 176 if (sscanf(buf, "%x", &clear_flag) != 1) 177 return -EFAULT; 178 iwl_clear_traffic_stats(priv); 179 180 return count; 181} 182 183static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, 184 char __user *user_buf, 185 size_t count, loff_t *ppos) { 186 187 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 188 char *buf; 189 int pos = 0; 190 int cnt; 191 ssize_t ret; 192 const size_t bufsz = 100 + 193 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 194 buf = kzalloc(bufsz, GFP_KERNEL); 195 if (!buf) 196 return -ENOMEM; 197 198 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 199 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 200 pos += scnprintf(buf + pos, bufsz - pos, 201 "\t%25s\t\t: %u\n", 202 get_mgmt_string(cnt), 203 priv->rx_stats.mgmt[cnt]); 204 } 205 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); 206 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 207 pos += scnprintf(buf + pos, bufsz - pos, 208 "\t%25s\t\t: %u\n", 209 get_ctrl_string(cnt), 210 priv->rx_stats.ctrl[cnt]); 211 } 212 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 213 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 214 priv->rx_stats.data_cnt); 215 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 216 priv->rx_stats.data_bytes); 217 218 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 219 kfree(buf); 220 return ret; 221} 222 223#define BYTE1_MASK 0x000000ff; 224#define BYTE2_MASK 0x0000ffff; 225#define BYTE3_MASK 0x00ffffff; 226static ssize_t iwl_dbgfs_sram_read(struct file *file, 227 char __user *user_buf, 228 size_t count, loff_t *ppos) 229{ 230 u32 val; 231 char *buf; 232 ssize_t ret; 233 int i; 234 int pos = 0; 235 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 236 size_t bufsz; 237 238 /* default is to dump the entire data segment */ 239 if (!priv->dbgfs->sram_offset && !priv->dbgfs->sram_len) { 240 priv->dbgfs->sram_offset = 0x800000; 241 if (priv->ucode_type == UCODE_INIT) 242 priv->dbgfs->sram_len = priv->ucode_init_data.len; 243 else 244 priv->dbgfs->sram_len = priv->ucode_data.len; 245 } 246 bufsz = 30 + priv->dbgfs->sram_len * sizeof(char) * 10; 247 buf = kmalloc(bufsz, GFP_KERNEL); 248 if (!buf) 249 return -ENOMEM; 250 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 251 priv->dbgfs->sram_len); 252 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 253 priv->dbgfs->sram_offset); 254 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) { 255 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \ 256 priv->dbgfs->sram_len - i); 257 if (i < 4) { 258 switch (i) { 259 case 1: 260 val &= BYTE1_MASK; 261 break; 262 case 2: 263 val &= BYTE2_MASK; 264 break; 265 case 3: 266 val &= BYTE3_MASK; 267 break; 268 } 269 } 270 if (!(i % 16)) 271 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 272 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); 273 } 274 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 275 276 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 277 kfree(buf); 278 return ret; 279} 280 281static ssize_t iwl_dbgfs_sram_write(struct file *file, 282 const char __user *user_buf, 283 size_t count, loff_t *ppos) 284{ 285 struct iwl_priv *priv = file->private_data; 286 char buf[64]; 287 int buf_size; 288 u32 offset, len; 289 290 memset(buf, 0, sizeof(buf)); 291 buf_size = min(count, sizeof(buf) - 1); 292 if (copy_from_user(buf, user_buf, buf_size)) 293 return -EFAULT; 294 295 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 296 priv->dbgfs->sram_offset = offset; 297 priv->dbgfs->sram_len = len; 298 } else { 299 priv->dbgfs->sram_offset = 0; 300 priv->dbgfs->sram_len = 0; 301 } 302 303 return count; 304} 305 306static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 307 size_t count, loff_t *ppos) 308{ 309 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 310 struct iwl_station_entry *station; 311 int max_sta = priv->hw_params.max_stations; 312 char *buf; 313 int i, j, pos = 0; 314 ssize_t ret; 315 /* Add 30 for initial string */ 316 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 317 318 buf = kmalloc(bufsz, GFP_KERNEL); 319 if (!buf) 320 return -ENOMEM; 321 322 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 323 priv->num_stations); 324 325 for (i = 0; i < max_sta; i++) { 326 station = &priv->stations[i]; 327 if (station->used) { 328 pos += scnprintf(buf + pos, bufsz - pos, 329 "station %d:\ngeneral data:\n", i+1); 330 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", 331 station->sta.sta.sta_id); 332 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", 333 station->sta.mode); 334 pos += scnprintf(buf + pos, bufsz - pos, 335 "flags: 0x%x\n", 336 station->sta.station_flags_msk); 337 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); 338 pos += scnprintf(buf + pos, bufsz - pos, 339 "seq_num\t\ttxq_id"); 340 pos += scnprintf(buf + pos, bufsz - pos, 341 "\tframe_count\twait_for_ba\t"); 342 pos += scnprintf(buf + pos, bufsz - pos, 343 "start_idx\tbitmap0\t"); 344 pos += scnprintf(buf + pos, bufsz - pos, 345 "bitmap1\trate_n_flags"); 346 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 347 348 for (j = 0; j < MAX_TID_COUNT; j++) { 349 pos += scnprintf(buf + pos, bufsz - pos, 350 "[%d]:\t\t%u", j, 351 station->tid[j].seq_number); 352 pos += scnprintf(buf + pos, bufsz - pos, 353 "\t%u\t\t%u\t\t%u\t\t", 354 station->tid[j].agg.txq_id, 355 station->tid[j].agg.frame_count, 356 station->tid[j].agg.wait_for_ba); 357 pos += scnprintf(buf + pos, bufsz - pos, 358 "%u\t%llu\t%u", 359 station->tid[j].agg.start_idx, 360 (unsigned long long)station->tid[j].agg.bitmap, 361 station->tid[j].agg.rate_n_flags); 362 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 363 } 364 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 365 } 366 } 367 368 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 369 kfree(buf); 370 return ret; 371} 372 373static ssize_t iwl_dbgfs_nvm_read(struct file *file, 374 char __user *user_buf, 375 size_t count, 376 loff_t *ppos) 377{ 378 ssize_t ret; 379 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 380 int pos = 0, ofs = 0, buf_size = 0; 381 const u8 *ptr; 382 char *buf; 383 u16 eeprom_ver; 384 size_t eeprom_len = priv->cfg->eeprom_size; 385 buf_size = 4 * eeprom_len + 256; 386 387 if (eeprom_len % 16) { 388 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 389 return -ENODATA; 390 } 391 392 ptr = priv->eeprom; 393 if (!ptr) { 394 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 395 return -ENOMEM; 396 } 397 398 /* 4 characters for byte 0xYY */ 399 buf = kzalloc(buf_size, GFP_KERNEL); 400 if (!buf) { 401 IWL_ERR(priv, "Can not allocate Buffer\n"); 402 return -ENOMEM; 403 } 404 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); 405 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 406 "version: 0x%x\n", 407 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) 408 ? "OTP" : "EEPROM", eeprom_ver); 409 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 410 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 411 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 412 buf_size - pos, 0); 413 pos += strlen(buf + pos); 414 if (buf_size - pos > 0) 415 buf[pos++] = '\n'; 416 } 417 418 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 419 kfree(buf); 420 return ret; 421} 422 423static ssize_t iwl_dbgfs_log_event_write(struct file *file, 424 const char __user *user_buf, 425 size_t count, loff_t *ppos) 426{ 427 struct iwl_priv *priv = file->private_data; 428 u32 event_log_flag; 429 char buf[8]; 430 int buf_size; 431 432 memset(buf, 0, sizeof(buf)); 433 buf_size = min(count, sizeof(buf) - 1); 434 if (copy_from_user(buf, user_buf, buf_size)) 435 return -EFAULT; 436 if (sscanf(buf, "%d", &event_log_flag) != 1) 437 return -EFAULT; 438 if (event_log_flag == 1) 439 priv->cfg->ops->lib->dump_nic_event_log(priv, true); 440 441 return count; 442} 443 444 445 446static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 447 size_t count, loff_t *ppos) 448{ 449 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 450 struct ieee80211_channel *channels = NULL; 451 const struct ieee80211_supported_band *supp_band = NULL; 452 int pos = 0, i, bufsz = PAGE_SIZE; 453 char *buf; 454 ssize_t ret; 455 456 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) 457 return -EAGAIN; 458 459 buf = kzalloc(bufsz, GFP_KERNEL); 460 if (!buf) { 461 IWL_ERR(priv, "Can not allocate Buffer\n"); 462 return -ENOMEM; 463 } 464 465 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 466 if (supp_band) { 467 channels = supp_band->channels; 468 469 pos += scnprintf(buf + pos, bufsz - pos, 470 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 471 supp_band->n_channels); 472 473 for (i = 0; i < supp_band->n_channels; i++) 474 pos += scnprintf(buf + pos, bufsz - pos, 475 "%d: %ddBm: BSS%s%s, %s.\n", 476 ieee80211_frequency_to_channel( 477 channels[i].center_freq), 478 channels[i].max_power, 479 channels[i].flags & IEEE80211_CHAN_RADAR ? 480 " (IEEE 802.11h required)" : "", 481 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 482 || (channels[i].flags & 483 IEEE80211_CHAN_RADAR)) ? "" : 484 ", IBSS", 485 channels[i].flags & 486 IEEE80211_CHAN_PASSIVE_SCAN ? 487 "passive only" : "active/passive"); 488 } 489 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 490 if (supp_band) { 491 channels = supp_band->channels; 492 493 pos += scnprintf(buf + pos, bufsz - pos, 494 "Displaying %d channels in 5.2GHz band (802.11a)\n", 495 supp_band->n_channels); 496 497 for (i = 0; i < supp_band->n_channels; i++) 498 pos += scnprintf(buf + pos, bufsz - pos, 499 "%d: %ddBm: BSS%s%s, %s.\n", 500 ieee80211_frequency_to_channel( 501 channels[i].center_freq), 502 channels[i].max_power, 503 channels[i].flags & IEEE80211_CHAN_RADAR ? 504 " (IEEE 802.11h required)" : "", 505 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 506 || (channels[i].flags & 507 IEEE80211_CHAN_RADAR)) ? "" : 508 ", IBSS", 509 channels[i].flags & 510 IEEE80211_CHAN_PASSIVE_SCAN ? 511 "passive only" : "active/passive"); 512 } 513 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 514 kfree(buf); 515 return ret; 516} 517 518static ssize_t iwl_dbgfs_status_read(struct file *file, 519 char __user *user_buf, 520 size_t count, loff_t *ppos) { 521 522 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 523 char buf[512]; 524 int pos = 0; 525 const size_t bufsz = sizeof(buf); 526 527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 528 test_bit(STATUS_HCMD_ACTIVE, &priv->status)); 529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n", 530 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)); 531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 532 test_bit(STATUS_INT_ENABLED, &priv->status)); 533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 534 test_bit(STATUS_RF_KILL_HW, &priv->status)); 535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 536 test_bit(STATUS_CT_KILL, &priv->status)); 537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 538 test_bit(STATUS_INIT, &priv->status)); 539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 540 test_bit(STATUS_ALIVE, &priv->status)); 541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 542 test_bit(STATUS_READY, &priv->status)); 543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 544 test_bit(STATUS_TEMPERATURE, &priv->status)); 545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 546 test_bit(STATUS_GEO_CONFIGURED, &priv->status)); 547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 548 test_bit(STATUS_EXIT_PENDING, &priv->status)); 549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 550 test_bit(STATUS_STATISTICS, &priv->status)); 551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 552 test_bit(STATUS_SCANNING, &priv->status)); 553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 554 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 556 test_bit(STATUS_SCAN_HW, &priv->status)); 557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 558 test_bit(STATUS_POWER_PMI, &priv->status)); 559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 560 test_bit(STATUS_FW_ERROR, &priv->status)); 561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", 562 test_bit(STATUS_MODE_PENDING, &priv->status)); 563 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 564} 565 566static ssize_t iwl_dbgfs_interrupt_read(struct file *file, 567 char __user *user_buf, 568 size_t count, loff_t *ppos) { 569 570 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 571 int pos = 0; 572 int cnt = 0; 573 char *buf; 574 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 575 ssize_t ret; 576 577 buf = kzalloc(bufsz, GFP_KERNEL); 578 if (!buf) { 579 IWL_ERR(priv, "Can not allocate Buffer\n"); 580 return -ENOMEM; 581 } 582 583 pos += scnprintf(buf + pos, bufsz - pos, 584 "Interrupt Statistics Report:\n"); 585 586 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", 587 priv->isr_stats.hw); 588 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", 589 priv->isr_stats.sw); 590 if (priv->isr_stats.sw > 0) { 591 pos += scnprintf(buf + pos, bufsz - pos, 592 "\tLast Restarting Code: 0x%X\n", 593 priv->isr_stats.sw_err); 594 } 595#ifdef CONFIG_IWLWIFI_DEBUG 596 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", 597 priv->isr_stats.sch); 598 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", 599 priv->isr_stats.alive); 600#endif 601 pos += scnprintf(buf + pos, bufsz - pos, 602 "HW RF KILL switch toggled:\t %u\n", 603 priv->isr_stats.rfkill); 604 605 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", 606 priv->isr_stats.ctkill); 607 608 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", 609 priv->isr_stats.wakeup); 610 611 pos += scnprintf(buf + pos, bufsz - pos, 612 "Rx command responses:\t\t %u\n", 613 priv->isr_stats.rx); 614 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 615 if (priv->isr_stats.rx_handlers[cnt] > 0) 616 pos += scnprintf(buf + pos, bufsz - pos, 617 "\tRx handler[%36s]:\t\t %u\n", 618 get_cmd_string(cnt), 619 priv->isr_stats.rx_handlers[cnt]); 620 } 621 622 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", 623 priv->isr_stats.tx); 624 625 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", 626 priv->isr_stats.unhandled); 627 628 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 629 kfree(buf); 630 return ret; 631} 632 633static ssize_t iwl_dbgfs_interrupt_write(struct file *file, 634 const char __user *user_buf, 635 size_t count, loff_t *ppos) 636{ 637 struct iwl_priv *priv = file->private_data; 638 char buf[8]; 639 int buf_size; 640 u32 reset_flag; 641 642 memset(buf, 0, sizeof(buf)); 643 buf_size = min(count, sizeof(buf) - 1); 644 if (copy_from_user(buf, user_buf, buf_size)) 645 return -EFAULT; 646 if (sscanf(buf, "%x", &reset_flag) != 1) 647 return -EFAULT; 648 if (reset_flag == 0) 649 iwl_clear_isr_stats(priv); 650 651 return count; 652} 653 654static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 655 size_t count, loff_t *ppos) 656{ 657 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 658 int pos = 0, i; 659 char buf[256]; 660 const size_t bufsz = sizeof(buf); 661 ssize_t ret; 662 663 for (i = 0; i < AC_NUM; i++) { 664 pos += scnprintf(buf + pos, bufsz - pos, 665 "\tcw_min\tcw_max\taifsn\ttxop\n"); 666 pos += scnprintf(buf + pos, bufsz - pos, 667 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 668 priv->qos_data.def_qos_parm.ac[i].cw_min, 669 priv->qos_data.def_qos_parm.ac[i].cw_max, 670 priv->qos_data.def_qos_parm.ac[i].aifsn, 671 priv->qos_data.def_qos_parm.ac[i].edca_txop); 672 } 673 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 674 return ret; 675} 676 677static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, 678 size_t count, loff_t *ppos) 679{ 680 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 681 int pos = 0; 682 char buf[256]; 683 const size_t bufsz = sizeof(buf); 684 ssize_t ret; 685 686 pos += scnprintf(buf + pos, bufsz - pos, 687 "allow blinking: %s\n", 688 (priv->allow_blinking) ? "True" : "False"); 689 if (priv->allow_blinking) { 690 pos += scnprintf(buf + pos, bufsz - pos, 691 "Led blinking rate: %u\n", 692 priv->last_blink_rate); 693 pos += scnprintf(buf + pos, bufsz - pos, 694 "Last blink time: %lu\n", 695 priv->last_blink_time); 696 } 697 698 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 699 return ret; 700} 701 702static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 703 char __user *user_buf, 704 size_t count, loff_t *ppos) 705{ 706 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 707 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 708 struct iwl_tt_restriction *restriction; 709 char buf[100]; 710 int pos = 0; 711 const size_t bufsz = sizeof(buf); 712 ssize_t ret; 713 714 pos += scnprintf(buf + pos, bufsz - pos, 715 "Thermal Throttling Mode: %s\n", 716 tt->advanced_tt ? "Advance" : "Legacy"); 717 pos += scnprintf(buf + pos, bufsz - pos, 718 "Thermal Throttling State: %d\n", 719 tt->state); 720 if (tt->advanced_tt) { 721 restriction = tt->restriction + tt->state; 722 pos += scnprintf(buf + pos, bufsz - pos, 723 "Tx mode: %d\n", 724 restriction->tx_stream); 725 pos += scnprintf(buf + pos, bufsz - pos, 726 "Rx mode: %d\n", 727 restriction->rx_stream); 728 pos += scnprintf(buf + pos, bufsz - pos, 729 "HT mode: %d\n", 730 restriction->is_ht); 731 } 732 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 733 return ret; 734} 735 736static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 737 const char __user *user_buf, 738 size_t count, loff_t *ppos) 739{ 740 struct iwl_priv *priv = file->private_data; 741 char buf[8]; 742 int buf_size; 743 int ht40; 744 745 memset(buf, 0, sizeof(buf)); 746 buf_size = min(count, sizeof(buf) - 1); 747 if (copy_from_user(buf, user_buf, buf_size)) 748 return -EFAULT; 749 if (sscanf(buf, "%d", &ht40) != 1) 750 return -EFAULT; 751 if (!iwl_is_associated(priv)) 752 priv->disable_ht40 = ht40 ? true : false; 753 else { 754 IWL_ERR(priv, "Sta associated with AP - " 755 "Change to 40MHz channel support is not allowed\n"); 756 return -EINVAL; 757 } 758 759 return count; 760} 761 762static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 763 char __user *user_buf, 764 size_t count, loff_t *ppos) 765{ 766 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 767 char buf[100]; 768 int pos = 0; 769 const size_t bufsz = sizeof(buf); 770 ssize_t ret; 771 772 pos += scnprintf(buf + pos, bufsz - pos, 773 "11n 40MHz Mode: %s\n", 774 priv->disable_ht40 ? "Disabled" : "Enabled"); 775 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 776 return ret; 777} 778 779static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 780 const char __user *user_buf, 781 size_t count, loff_t *ppos) 782{ 783 struct iwl_priv *priv = file->private_data; 784 char buf[8]; 785 int buf_size; 786 int value; 787 788 memset(buf, 0, sizeof(buf)); 789 buf_size = min(count, sizeof(buf) - 1); 790 if (copy_from_user(buf, user_buf, buf_size)) 791 return -EFAULT; 792 793 if (sscanf(buf, "%d", &value) != 1) 794 return -EINVAL; 795 796 /* 797 * Our users expect 0 to be "CAM", but 0 isn't actually 798 * valid here. However, let's not confuse them and present 799 * IWL_POWER_INDEX_1 as "1", not "0". 800 */ 801 if (value == 0) 802 return -EINVAL; 803 else if (value > 0) 804 value -= 1; 805 806 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 807 return -EINVAL; 808 809 if (!iwl_is_ready_rf(priv)) 810 return -EAGAIN; 811 812 priv->power_data.debug_sleep_level_override = value; 813 814 iwl_power_update_mode(priv, true); 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) * 64 * 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 1042static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, 1043 int bufsz) 1044{ 1045 int p = 0; 1046 1047 p += scnprintf(buf + p, bufsz - p, 1048 "Statistics Flag(0x%X):\n", 1049 le32_to_cpu(priv->statistics.flag)); 1050 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) 1051 p += scnprintf(buf + p, bufsz - p, 1052 "\tStatistics have been cleared\n"); 1053 p += scnprintf(buf + p, bufsz - p, 1054 "\tOperational Frequency: %s\n", 1055 (le32_to_cpu(priv->statistics.flag) & 1056 UCODE_STATISTICS_FREQUENCY_MSK) 1057 ? "2.4 GHz" : "5.2 GHz"); 1058 p += scnprintf(buf + p, bufsz - p, 1059 "\tTGj Narrow Band: %s\n", 1060 (le32_to_cpu(priv->statistics.flag) & 1061 UCODE_STATISTICS_NARROW_BAND_MSK) 1062 ? "enabled" : "disabled"); 1063 return p; 1064} 1065 1066 1067static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 1068 char __user *user_buf, 1069 size_t count, loff_t *ppos) 1070{ 1071 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1072 int pos = 0; 1073 char *buf; 1074 int bufsz = sizeof(struct statistics_rx_phy) * 20 + 1075 sizeof(struct statistics_rx_non_phy) * 20 + 1076 sizeof(struct statistics_rx_ht_phy) * 20 + 400; 1077 ssize_t ret; 1078 struct statistics_rx_phy *ofdm, *accum_ofdm; 1079 struct statistics_rx_phy *cck, *accum_cck; 1080 struct statistics_rx_non_phy *general, *accum_general; 1081 struct statistics_rx_ht_phy *ht, *accum_ht; 1082 1083 if (!iwl_is_alive(priv)) 1084 return -EAGAIN; 1085 1086 /* make request to uCode to retrieve statistics information */ 1087 mutex_lock(&priv->mutex); 1088 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1089 mutex_unlock(&priv->mutex); 1090 1091 if (ret) { 1092 IWL_ERR(priv, 1093 "Error sending statistics request: %zd\n", ret); 1094 return -EAGAIN; 1095 } 1096 buf = kzalloc(bufsz, GFP_KERNEL); 1097 if (!buf) { 1098 IWL_ERR(priv, "Can not allocate Buffer\n"); 1099 return -ENOMEM; 1100 } 1101 1102 /* the statistic information display here is based on 1103 * the last statistics notification from uCode 1104 * might not reflect the current uCode activity 1105 */ 1106 ofdm = &priv->statistics.rx.ofdm; 1107 cck = &priv->statistics.rx.cck; 1108 general = &priv->statistics.rx.general; 1109 ht = &priv->statistics.rx.ofdm_ht; 1110 accum_ofdm = &priv->accum_statistics.rx.ofdm; 1111 accum_cck = &priv->accum_statistics.rx.cck; 1112 accum_general = &priv->accum_statistics.rx.general; 1113 accum_ht = &priv->accum_statistics.rx.ofdm_ht; 1114 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1115 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n"); 1116 pos += scnprintf(buf + pos, bufsz - pos, 1117 "\t\t\tcurrent\t\t\taccumulative\n"); 1118 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1119 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt); 1120 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1121 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt); 1122 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1123 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err); 1124 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1125 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err); 1126 pos += scnprintf(buf + pos, bufsz - pos, 1127 "overrun_err:\t\t%u\t\t\t%u\n", 1128 le32_to_cpu(ofdm->overrun_err), 1129 accum_ofdm->overrun_err); 1130 pos += scnprintf(buf + pos, bufsz - pos, 1131 "early_overrun_err:\t%u\t\t\t%u\n", 1132 le32_to_cpu(ofdm->early_overrun_err), 1133 accum_ofdm->early_overrun_err); 1134 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1135 le32_to_cpu(ofdm->crc32_good), 1136 accum_ofdm->crc32_good); 1137 pos += scnprintf(buf + pos, bufsz - pos, 1138 "false_alarm_cnt:\t%u\t\t\t%u\n", 1139 le32_to_cpu(ofdm->false_alarm_cnt), 1140 accum_ofdm->false_alarm_cnt); 1141 pos += scnprintf(buf + pos, bufsz - pos, 1142 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1143 le32_to_cpu(ofdm->fina_sync_err_cnt), 1144 accum_ofdm->fina_sync_err_cnt); 1145 pos += scnprintf(buf + pos, bufsz - pos, 1146 "sfd_timeout:\t\t%u\t\t\t%u\n", 1147 le32_to_cpu(ofdm->sfd_timeout), 1148 accum_ofdm->sfd_timeout); 1149 pos += scnprintf(buf + pos, bufsz - pos, 1150 "fina_timeout:\t\t%u\t\t\t%u\n", 1151 le32_to_cpu(ofdm->fina_timeout), 1152 accum_ofdm->fina_timeout); 1153 pos += scnprintf(buf + pos, bufsz - pos, 1154 "unresponded_rts:\t%u\t\t\t%u\n", 1155 le32_to_cpu(ofdm->unresponded_rts), 1156 accum_ofdm->unresponded_rts); 1157 pos += scnprintf(buf + pos, bufsz - pos, 1158 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1159 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1160 accum_ofdm->rxe_frame_limit_overrun); 1161 pos += scnprintf(buf + pos, bufsz - pos, 1162 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1163 le32_to_cpu(ofdm->sent_ack_cnt), 1164 accum_ofdm->sent_ack_cnt); 1165 pos += scnprintf(buf + pos, bufsz - pos, 1166 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1167 le32_to_cpu(ofdm->sent_cts_cnt), 1168 accum_ofdm->sent_cts_cnt); 1169 pos += scnprintf(buf + pos, bufsz - pos, 1170 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1171 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1172 accum_ofdm->sent_ba_rsp_cnt); 1173 pos += scnprintf(buf + pos, bufsz - pos, 1174 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1175 le32_to_cpu(ofdm->dsp_self_kill), 1176 accum_ofdm->dsp_self_kill); 1177 pos += scnprintf(buf + pos, bufsz - pos, 1178 "mh_format_err:\t\t%u\t\t\t%u\n", 1179 le32_to_cpu(ofdm->mh_format_err), 1180 accum_ofdm->mh_format_err); 1181 pos += scnprintf(buf + pos, bufsz - pos, 1182 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1183 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1184 accum_ofdm->re_acq_main_rssi_sum); 1185 1186 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n"); 1187 pos += scnprintf(buf + pos, bufsz - pos, 1188 "\t\t\tcurrent\t\t\taccumulative\n"); 1189 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n", 1190 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt); 1191 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n", 1192 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt); 1193 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1194 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err); 1195 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1196 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err); 1197 pos += scnprintf(buf + pos, bufsz - pos, 1198 "overrun_err:\t\t%u\t\t\t%u\n", 1199 le32_to_cpu(cck->overrun_err), 1200 accum_cck->overrun_err); 1201 pos += scnprintf(buf + pos, bufsz - pos, 1202 "early_overrun_err:\t%u\t\t\t%u\n", 1203 le32_to_cpu(cck->early_overrun_err), 1204 accum_cck->early_overrun_err); 1205 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1206 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good); 1207 pos += scnprintf(buf + pos, bufsz - pos, 1208 "false_alarm_cnt:\t%u\t\t\t%u\n", 1209 le32_to_cpu(cck->false_alarm_cnt), 1210 accum_cck->false_alarm_cnt); 1211 pos += scnprintf(buf + pos, bufsz - pos, 1212 "fina_sync_err_cnt:\t%u\t\t\t%u\n", 1213 le32_to_cpu(cck->fina_sync_err_cnt), 1214 accum_cck->fina_sync_err_cnt); 1215 pos += scnprintf(buf + pos, bufsz - pos, 1216 "sfd_timeout:\t\t%u\t\t\t%u\n", 1217 le32_to_cpu(cck->sfd_timeout), 1218 accum_cck->sfd_timeout); 1219 pos += scnprintf(buf + pos, bufsz - pos, 1220 "fina_timeout:\t\t%u\t\t\t%u\n", 1221 le32_to_cpu(cck->fina_timeout), 1222 accum_cck->fina_timeout); 1223 pos += scnprintf(buf + pos, bufsz - pos, 1224 "unresponded_rts:\t%u\t\t\t%u\n", 1225 le32_to_cpu(cck->unresponded_rts), 1226 accum_cck->unresponded_rts); 1227 pos += scnprintf(buf + pos, bufsz - pos, 1228 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n", 1229 le32_to_cpu(cck->rxe_frame_limit_overrun), 1230 accum_cck->rxe_frame_limit_overrun); 1231 pos += scnprintf(buf + pos, bufsz - pos, 1232 "sent_ack_cnt:\t\t%u\t\t\t%u\n", 1233 le32_to_cpu(cck->sent_ack_cnt), 1234 accum_cck->sent_ack_cnt); 1235 pos += scnprintf(buf + pos, bufsz - pos, 1236 "sent_cts_cnt:\t\t%u\t\t\t%u\n", 1237 le32_to_cpu(cck->sent_cts_cnt), 1238 accum_cck->sent_cts_cnt); 1239 pos += scnprintf(buf + pos, bufsz - pos, 1240 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n", 1241 le32_to_cpu(cck->sent_ba_rsp_cnt), 1242 accum_cck->sent_ba_rsp_cnt); 1243 pos += scnprintf(buf + pos, bufsz - pos, 1244 "dsp_self_kill:\t\t%u\t\t\t%u\n", 1245 le32_to_cpu(cck->dsp_self_kill), 1246 accum_cck->dsp_self_kill); 1247 pos += scnprintf(buf + pos, bufsz - pos, 1248 "mh_format_err:\t\t%u\t\t\t%u\n", 1249 le32_to_cpu(cck->mh_format_err), 1250 accum_cck->mh_format_err); 1251 pos += scnprintf(buf + pos, bufsz - pos, 1252 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n", 1253 le32_to_cpu(cck->re_acq_main_rssi_sum), 1254 accum_cck->re_acq_main_rssi_sum); 1255 1256 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n"); 1257 pos += scnprintf(buf + pos, bufsz - pos, 1258 "\t\t\tcurrent\t\t\taccumulative\n"); 1259 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n", 1260 le32_to_cpu(general->bogus_cts), 1261 accum_general->bogus_cts); 1262 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n", 1263 le32_to_cpu(general->bogus_ack), 1264 accum_general->bogus_ack); 1265 pos += scnprintf(buf + pos, bufsz - pos, 1266 "non_bssid_frames:\t%u\t\t\t%u\n", 1267 le32_to_cpu(general->non_bssid_frames), 1268 accum_general->non_bssid_frames); 1269 pos += scnprintf(buf + pos, bufsz - pos, 1270 "filtered_frames:\t%u\t\t\t%u\n", 1271 le32_to_cpu(general->filtered_frames), 1272 accum_general->filtered_frames); 1273 pos += scnprintf(buf + pos, bufsz - pos, 1274 "non_channel_beacons:\t%u\t\t\t%u\n", 1275 le32_to_cpu(general->non_channel_beacons), 1276 accum_general->non_channel_beacons); 1277 pos += scnprintf(buf + pos, bufsz - pos, 1278 "channel_beacons:\t%u\t\t\t%u\n", 1279 le32_to_cpu(general->channel_beacons), 1280 accum_general->channel_beacons); 1281 pos += scnprintf(buf + pos, bufsz - pos, 1282 "num_missed_bcon:\t%u\t\t\t%u\n", 1283 le32_to_cpu(general->num_missed_bcon), 1284 accum_general->num_missed_bcon); 1285 pos += scnprintf(buf + pos, bufsz - pos, 1286 "adc_rx_saturation_time:\t%u\t\t\t%u\n", 1287 le32_to_cpu(general->adc_rx_saturation_time), 1288 accum_general->adc_rx_saturation_time); 1289 pos += scnprintf(buf + pos, bufsz - pos, 1290 "ina_detect_search_tm:\t%u\t\t\t%u\n", 1291 le32_to_cpu(general->ina_detection_search_time), 1292 accum_general->ina_detection_search_time); 1293 pos += scnprintf(buf + pos, bufsz - pos, 1294 "beacon_silence_rssi_a:\t%u\t\t\t%u\n", 1295 le32_to_cpu(general->beacon_silence_rssi_a), 1296 accum_general->beacon_silence_rssi_a); 1297 pos += scnprintf(buf + pos, bufsz - pos, 1298 "beacon_silence_rssi_b:\t%u\t\t\t%u\n", 1299 le32_to_cpu(general->beacon_silence_rssi_b), 1300 accum_general->beacon_silence_rssi_b); 1301 pos += scnprintf(buf + pos, bufsz - pos, 1302 "beacon_silence_rssi_c:\t%u\t\t\t%u\n", 1303 le32_to_cpu(general->beacon_silence_rssi_c), 1304 accum_general->beacon_silence_rssi_c); 1305 pos += scnprintf(buf + pos, bufsz - pos, 1306 "interference_data_flag:\t%u\t\t\t%u\n", 1307 le32_to_cpu(general->interference_data_flag), 1308 accum_general->interference_data_flag); 1309 pos += scnprintf(buf + pos, bufsz - pos, 1310 "channel_load:\t\t%u\t\t\t%u\n", 1311 le32_to_cpu(general->channel_load), 1312 accum_general->channel_load); 1313 pos += scnprintf(buf + pos, bufsz - pos, 1314 "dsp_false_alarms:\t%u\t\t\t%u\n", 1315 le32_to_cpu(general->dsp_false_alarms), 1316 accum_general->dsp_false_alarms); 1317 pos += scnprintf(buf + pos, bufsz - pos, 1318 "beacon_rssi_a:\t\t%u\t\t\t%u\n", 1319 le32_to_cpu(general->beacon_rssi_a), 1320 accum_general->beacon_rssi_a); 1321 pos += scnprintf(buf + pos, bufsz - pos, 1322 "beacon_rssi_b:\t\t%u\t\t\t%u\n", 1323 le32_to_cpu(general->beacon_rssi_b), 1324 accum_general->beacon_rssi_b); 1325 pos += scnprintf(buf + pos, bufsz - pos, 1326 "beacon_rssi_c:\t\t%u\t\t\t%u\n", 1327 le32_to_cpu(general->beacon_rssi_c), 1328 accum_general->beacon_rssi_c); 1329 pos += scnprintf(buf + pos, bufsz - pos, 1330 "beacon_energy_a:\t%u\t\t\t%u\n", 1331 le32_to_cpu(general->beacon_energy_a), 1332 accum_general->beacon_energy_a); 1333 pos += scnprintf(buf + pos, bufsz - pos, 1334 "beacon_energy_b:\t%u\t\t\t%u\n", 1335 le32_to_cpu(general->beacon_energy_b), 1336 accum_general->beacon_energy_b); 1337 pos += scnprintf(buf + pos, bufsz - pos, 1338 "beacon_energy_c:\t%u\t\t\t%u\n", 1339 le32_to_cpu(general->beacon_energy_c), 1340 accum_general->beacon_energy_c); 1341 1342 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); 1343 pos += scnprintf(buf + pos, bufsz - pos, 1344 "\t\t\tcurrent\t\t\taccumulative\n"); 1345 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n", 1346 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err); 1347 pos += scnprintf(buf + pos, bufsz - pos, 1348 "overrun_err:\t\t%u\t\t\t%u\n", 1349 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err); 1350 pos += scnprintf(buf + pos, bufsz - pos, 1351 "early_overrun_err:\t%u\t\t\t%u\n", 1352 le32_to_cpu(ht->early_overrun_err), 1353 accum_ht->early_overrun_err); 1354 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n", 1355 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good); 1356 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n", 1357 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err); 1358 pos += scnprintf(buf + pos, bufsz - pos, 1359 "mh_format_err:\t\t%u\t\t\t%u\n", 1360 le32_to_cpu(ht->mh_format_err), 1361 accum_ht->mh_format_err); 1362 pos += scnprintf(buf + pos, bufsz - pos, 1363 "agg_crc32_good:\t\t%u\t\t\t%u\n", 1364 le32_to_cpu(ht->agg_crc32_good), 1365 accum_ht->agg_crc32_good); 1366 pos += scnprintf(buf + pos, bufsz - pos, 1367 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n", 1368 le32_to_cpu(ht->agg_mpdu_cnt), 1369 accum_ht->agg_mpdu_cnt); 1370 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n", 1371 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt); 1372 1373 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1374 kfree(buf); 1375 return ret; 1376} 1377 1378static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1379 char __user *user_buf, 1380 size_t count, loff_t *ppos) 1381{ 1382 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1383 int pos = 0; 1384 char *buf; 1385 int bufsz = (sizeof(struct statistics_tx) * 24) + 250; 1386 ssize_t ret; 1387 struct statistics_tx *tx, *accum_tx; 1388 1389 if (!iwl_is_alive(priv)) 1390 return -EAGAIN; 1391 1392 /* make request to uCode to retrieve statistics information */ 1393 mutex_lock(&priv->mutex); 1394 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1395 mutex_unlock(&priv->mutex); 1396 1397 if (ret) { 1398 IWL_ERR(priv, 1399 "Error sending statistics request: %zd\n", ret); 1400 return -EAGAIN; 1401 } 1402 buf = kzalloc(bufsz, GFP_KERNEL); 1403 if (!buf) { 1404 IWL_ERR(priv, "Can not allocate Buffer\n"); 1405 return -ENOMEM; 1406 } 1407 1408 /* the statistic information display here is based on 1409 * the last statistics notification from uCode 1410 * might not reflect the current uCode activity 1411 */ 1412 tx = &priv->statistics.tx; 1413 accum_tx = &priv->accum_statistics.tx; 1414 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1415 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n"); 1416 pos += scnprintf(buf + pos, bufsz - pos, 1417 "\t\t\tcurrent\t\t\taccumulative\n"); 1418 pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n", 1419 le32_to_cpu(tx->preamble_cnt), 1420 accum_tx->preamble_cnt); 1421 pos += scnprintf(buf + pos, bufsz - pos, 1422 "rx_detected_cnt:\t\t%u\t\t\t%u\n", 1423 le32_to_cpu(tx->rx_detected_cnt), 1424 accum_tx->rx_detected_cnt); 1425 pos += scnprintf(buf + pos, bufsz - pos, 1426 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n", 1427 le32_to_cpu(tx->bt_prio_defer_cnt), 1428 accum_tx->bt_prio_defer_cnt); 1429 pos += scnprintf(buf + pos, bufsz - pos, 1430 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n", 1431 le32_to_cpu(tx->bt_prio_kill_cnt), 1432 accum_tx->bt_prio_kill_cnt); 1433 pos += scnprintf(buf + pos, bufsz - pos, 1434 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n", 1435 le32_to_cpu(tx->few_bytes_cnt), 1436 accum_tx->few_bytes_cnt); 1437 pos += scnprintf(buf + pos, bufsz - pos, 1438 "cts_timeout:\t\t\t%u\t\t\t%u\n", 1439 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout); 1440 pos += scnprintf(buf + pos, bufsz - pos, 1441 "ack_timeout:\t\t\t%u\t\t\t%u\n", 1442 le32_to_cpu(tx->ack_timeout), 1443 accum_tx->ack_timeout); 1444 pos += scnprintf(buf + pos, bufsz - pos, 1445 "expected_ack_cnt:\t\t%u\t\t\t%u\n", 1446 le32_to_cpu(tx->expected_ack_cnt), 1447 accum_tx->expected_ack_cnt); 1448 pos += scnprintf(buf + pos, bufsz - pos, 1449 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n", 1450 le32_to_cpu(tx->actual_ack_cnt), 1451 accum_tx->actual_ack_cnt); 1452 pos += scnprintf(buf + pos, bufsz - pos, 1453 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n", 1454 le32_to_cpu(tx->dump_msdu_cnt), 1455 accum_tx->dump_msdu_cnt); 1456 pos += scnprintf(buf + pos, bufsz - pos, 1457 "abort_nxt_frame_mismatch:" 1458 "\t%u\t\t\t%u\n", 1459 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1460 accum_tx->burst_abort_next_frame_mismatch_cnt); 1461 pos += scnprintf(buf + pos, bufsz - pos, 1462 "abort_missing_nxt_frame:" 1463 "\t%u\t\t\t%u\n", 1464 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1465 accum_tx->burst_abort_missing_next_frame_cnt); 1466 pos += scnprintf(buf + pos, bufsz - pos, 1467 "cts_timeout_collision:\t\t%u\t\t\t%u\n", 1468 le32_to_cpu(tx->cts_timeout_collision), 1469 accum_tx->cts_timeout_collision); 1470 pos += scnprintf(buf + pos, bufsz - pos, 1471 "ack_ba_timeout_collision:\t%u\t\t\t%u\n", 1472 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1473 accum_tx->ack_or_ba_timeout_collision); 1474 pos += scnprintf(buf + pos, bufsz - pos, 1475 "agg ba_timeout:\t\t\t%u\t\t\t%u\n", 1476 le32_to_cpu(tx->agg.ba_timeout), 1477 accum_tx->agg.ba_timeout); 1478 pos += scnprintf(buf + pos, bufsz - pos, 1479 "agg ba_resched_frames:\t\t%u\t\t\t%u\n", 1480 le32_to_cpu(tx->agg.ba_reschedule_frames), 1481 accum_tx->agg.ba_reschedule_frames); 1482 pos += scnprintf(buf + pos, bufsz - pos, 1483 "agg scd_query_agg_frame:\t%u\t\t\t%u\n", 1484 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1485 accum_tx->agg.scd_query_agg_frame_cnt); 1486 pos += scnprintf(buf + pos, bufsz - pos, 1487 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n", 1488 le32_to_cpu(tx->agg.scd_query_no_agg), 1489 accum_tx->agg.scd_query_no_agg); 1490 pos += scnprintf(buf + pos, bufsz - pos, 1491 "agg scd_query_agg:\t\t%u\t\t\t%u\n", 1492 le32_to_cpu(tx->agg.scd_query_agg), 1493 accum_tx->agg.scd_query_agg); 1494 pos += scnprintf(buf + pos, bufsz - pos, 1495 "agg scd_query_mismatch:\t\t%u\t\t\t%u\n", 1496 le32_to_cpu(tx->agg.scd_query_mismatch), 1497 accum_tx->agg.scd_query_mismatch); 1498 pos += scnprintf(buf + pos, bufsz - pos, 1499 "agg frame_not_ready:\t\t%u\t\t\t%u\n", 1500 le32_to_cpu(tx->agg.frame_not_ready), 1501 accum_tx->agg.frame_not_ready); 1502 pos += scnprintf(buf + pos, bufsz - pos, 1503 "agg underrun:\t\t\t%u\t\t\t%u\n", 1504 le32_to_cpu(tx->agg.underrun), 1505 accum_tx->agg.underrun); 1506 pos += scnprintf(buf + pos, bufsz - pos, 1507 "agg bt_prio_kill:\t\t%u\t\t\t%u\n", 1508 le32_to_cpu(tx->agg.bt_prio_kill), 1509 accum_tx->agg.bt_prio_kill); 1510 pos += scnprintf(buf + pos, bufsz - pos, 1511 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n", 1512 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1513 accum_tx->agg.rx_ba_rsp_cnt); 1514 1515 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1516 kfree(buf); 1517 return ret; 1518} 1519 1520static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1521 char __user *user_buf, 1522 size_t count, loff_t *ppos) 1523{ 1524 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1525 int pos = 0; 1526 char *buf; 1527 int bufsz = sizeof(struct statistics_general) * 4 + 250; 1528 ssize_t ret; 1529 struct statistics_general *general, *accum_general; 1530 struct statistics_dbg *dbg, *accum_dbg; 1531 struct statistics_div *div, *accum_div; 1532 1533 if (!iwl_is_alive(priv)) 1534 return -EAGAIN; 1535 1536 /* make request to uCode to retrieve statistics information */ 1537 mutex_lock(&priv->mutex); 1538 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1539 mutex_unlock(&priv->mutex); 1540 1541 if (ret) { 1542 IWL_ERR(priv, 1543 "Error sending statistics request: %zd\n", ret); 1544 return -EAGAIN; 1545 } 1546 buf = kzalloc(bufsz, GFP_KERNEL); 1547 if (!buf) { 1548 IWL_ERR(priv, "Can not allocate Buffer\n"); 1549 return -ENOMEM; 1550 } 1551 1552 /* the statistic information display here is based on 1553 * the last statistics notification from uCode 1554 * might not reflect the current uCode activity 1555 */ 1556 general = &priv->statistics.general; 1557 dbg = &priv->statistics.general.dbg; 1558 div = &priv->statistics.general.div; 1559 accum_general = &priv->accum_statistics.general; 1560 accum_dbg = &priv->accum_statistics.general.dbg; 1561 accum_div = &priv->accum_statistics.general.div; 1562 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1563 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n"); 1564 pos += scnprintf(buf + pos, bufsz - pos, 1565 "\t\t\tcurrent\t\t\taccumulative\n"); 1566 pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n", 1567 le32_to_cpu(general->temperature)); 1568 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n", 1569 le32_to_cpu(general->temperature_m)); 1570 pos += scnprintf(buf + pos, bufsz - pos, 1571 "burst_check:\t\t\t%u\t\t\t%u\n", 1572 le32_to_cpu(dbg->burst_check), 1573 accum_dbg->burst_check); 1574 pos += scnprintf(buf + pos, bufsz - pos, 1575 "burst_count:\t\t\t%u\t\t\t%u\n", 1576 le32_to_cpu(dbg->burst_count), 1577 accum_dbg->burst_count); 1578 pos += scnprintf(buf + pos, bufsz - pos, 1579 "sleep_time:\t\t\t%u\t\t\t%u\n", 1580 le32_to_cpu(general->sleep_time), 1581 accum_general->sleep_time); 1582 pos += scnprintf(buf + pos, bufsz - pos, 1583 "slots_out:\t\t\t%u\t\t\t%u\n", 1584 le32_to_cpu(general->slots_out), 1585 accum_general->slots_out); 1586 pos += scnprintf(buf + pos, bufsz - pos, 1587 "slots_idle:\t\t\t%u\t\t\t%u\n", 1588 le32_to_cpu(general->slots_idle), 1589 accum_general->slots_idle); 1590 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", 1591 le32_to_cpu(general->ttl_timestamp)); 1592 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n", 1593 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a); 1594 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n", 1595 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b); 1596 pos += scnprintf(buf + pos, bufsz - pos, 1597 "exec_time:\t\t\t%u\t\t\t%u\n", 1598 le32_to_cpu(div->exec_time), accum_div->exec_time); 1599 pos += scnprintf(buf + pos, bufsz - pos, 1600 "probe_time:\t\t\t%u\t\t\t%u\n", 1601 le32_to_cpu(div->probe_time), accum_div->probe_time); 1602 pos += scnprintf(buf + pos, bufsz - pos, 1603 "rx_enable_counter:\t\t%u\t\t\t%u\n", 1604 le32_to_cpu(general->rx_enable_counter), 1605 accum_general->rx_enable_counter); 1606 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1607 kfree(buf); 1608 return ret; 1609} 1610 1611static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1612 char __user *user_buf, 1613 size_t count, loff_t *ppos) { 1614 1615 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1616 int pos = 0; 1617 int cnt = 0; 1618 char *buf; 1619 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1620 ssize_t ret; 1621 struct iwl_sensitivity_data *data; 1622 1623 data = &priv->sensitivity_data; 1624 buf = kzalloc(bufsz, GFP_KERNEL); 1625 if (!buf) { 1626 IWL_ERR(priv, "Can not allocate Buffer\n"); 1627 return -ENOMEM; 1628 } 1629 1630 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1631 data->auto_corr_ofdm); 1632 pos += scnprintf(buf + pos, bufsz - pos, 1633 "auto_corr_ofdm_mrc:\t\t %u\n", 1634 data->auto_corr_ofdm_mrc); 1635 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1636 data->auto_corr_ofdm_x1); 1637 pos += scnprintf(buf + pos, bufsz - pos, 1638 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1639 data->auto_corr_ofdm_mrc_x1); 1640 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1641 data->auto_corr_cck); 1642 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1643 data->auto_corr_cck_mrc); 1644 pos += scnprintf(buf + pos, bufsz - pos, 1645 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1646 data->last_bad_plcp_cnt_ofdm); 1647 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1648 data->last_fa_cnt_ofdm); 1649 pos += scnprintf(buf + pos, bufsz - pos, 1650 "last_bad_plcp_cnt_cck:\t\t %u\n", 1651 data->last_bad_plcp_cnt_cck); 1652 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1653 data->last_fa_cnt_cck); 1654 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1655 data->nrg_curr_state); 1656 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1657 data->nrg_prev_state); 1658 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1659 for (cnt = 0; cnt < 10; cnt++) { 1660 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1661 data->nrg_value[cnt]); 1662 } 1663 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1664 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1665 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1666 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1667 data->nrg_silence_rssi[cnt]); 1668 } 1669 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1670 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1671 data->nrg_silence_ref); 1672 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1673 data->nrg_energy_idx); 1674 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1675 data->nrg_silence_idx); 1676 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1677 data->nrg_th_cck); 1678 pos += scnprintf(buf + pos, bufsz - pos, 1679 "nrg_auto_corr_silence_diff:\t %u\n", 1680 data->nrg_auto_corr_silence_diff); 1681 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1682 data->num_in_cck_no_fa); 1683 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1684 data->nrg_th_ofdm); 1685 1686 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1687 kfree(buf); 1688 return ret; 1689} 1690 1691 1692static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1693 char __user *user_buf, 1694 size_t count, loff_t *ppos) { 1695 1696 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1697 int pos = 0; 1698 int cnt = 0; 1699 char *buf; 1700 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1701 ssize_t ret; 1702 struct iwl_chain_noise_data *data; 1703 1704 data = &priv->chain_noise_data; 1705 buf = kzalloc(bufsz, GFP_KERNEL); 1706 if (!buf) { 1707 IWL_ERR(priv, "Can not allocate Buffer\n"); 1708 return -ENOMEM; 1709 } 1710 1711 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1712 data->active_chains); 1713 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1714 data->chain_noise_a); 1715 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1716 data->chain_noise_b); 1717 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1718 data->chain_noise_c); 1719 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1720 data->chain_signal_a); 1721 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1722 data->chain_signal_b); 1723 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1724 data->chain_signal_c); 1725 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1726 data->beacon_count); 1727 1728 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1729 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1730 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1731 data->disconn_array[cnt]); 1732 } 1733 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1734 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1735 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1736 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1737 data->delta_gain_code[cnt]); 1738 } 1739 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1740 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1741 data->radio_write); 1742 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1743 data->state); 1744 1745 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1746 kfree(buf); 1747 return ret; 1748} 1749 1750static ssize_t iwl_dbgfs_tx_power_read(struct file *file, 1751 char __user *user_buf, 1752 size_t count, loff_t *ppos) { 1753 1754 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1755 char buf[128]; 1756 int pos = 0; 1757 ssize_t ret; 1758 const size_t bufsz = sizeof(buf); 1759 struct statistics_tx *tx; 1760 1761 if (!iwl_is_alive(priv)) 1762 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1763 else { 1764 /* make request to uCode to retrieve statistics information */ 1765 mutex_lock(&priv->mutex); 1766 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1767 mutex_unlock(&priv->mutex); 1768 1769 if (ret) { 1770 IWL_ERR(priv, "Error sending statistics request: %zd\n", 1771 ret); 1772 return -EAGAIN; 1773 } 1774 tx = &priv->statistics.tx; 1775 if (tx->tx_power.ant_a || 1776 tx->tx_power.ant_b || 1777 tx->tx_power.ant_c) { 1778 pos += scnprintf(buf + pos, bufsz - pos, 1779 "tx power: (1/2 dB step)\n"); 1780 if ((priv->cfg->valid_tx_ant & ANT_A) && 1781 tx->tx_power.ant_a) 1782 pos += scnprintf(buf + pos, bufsz - pos, 1783 "\tantenna A: 0x%X\n", 1784 tx->tx_power.ant_a); 1785 if ((priv->cfg->valid_tx_ant & ANT_B) && 1786 tx->tx_power.ant_b) 1787 pos += scnprintf(buf + pos, bufsz - pos, 1788 "\tantenna B: 0x%X\n", 1789 tx->tx_power.ant_b); 1790 if ((priv->cfg->valid_tx_ant & ANT_C) && 1791 tx->tx_power.ant_c) 1792 pos += scnprintf(buf + pos, bufsz - pos, 1793 "\tantenna C: 0x%X\n", 1794 tx->tx_power.ant_c); 1795 } else 1796 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1797 } 1798 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1799} 1800 1801static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1802 char __user *user_buf, 1803 size_t count, loff_t *ppos) 1804{ 1805 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1806 char buf[60]; 1807 int pos = 0; 1808 const size_t bufsz = sizeof(buf); 1809 u32 pwrsave_status; 1810 1811 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & 1812 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1813 1814 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1815 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1816 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1817 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1818 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1819 "error"); 1820 1821 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1822} 1823 1824static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1825 const char __user *user_buf, 1826 size_t count, loff_t *ppos) 1827{ 1828 struct iwl_priv *priv = file->private_data; 1829 char buf[8]; 1830 int buf_size; 1831 int clear; 1832 1833 memset(buf, 0, sizeof(buf)); 1834 buf_size = min(count, sizeof(buf) - 1); 1835 if (copy_from_user(buf, user_buf, buf_size)) 1836 return -EFAULT; 1837 if (sscanf(buf, "%d", &clear) != 1) 1838 return -EFAULT; 1839 1840 /* make request to uCode to retrieve statistics information */ 1841 mutex_lock(&priv->mutex); 1842 iwl_send_statistics_request(priv, CMD_SYNC, true); 1843 mutex_unlock(&priv->mutex); 1844 1845 return count; 1846} 1847 1848static ssize_t iwl_dbgfs_csr_write(struct file *file, 1849 const char __user *user_buf, 1850 size_t count, loff_t *ppos) 1851{ 1852 struct iwl_priv *priv = file->private_data; 1853 char buf[8]; 1854 int buf_size; 1855 int csr; 1856 1857 memset(buf, 0, sizeof(buf)); 1858 buf_size = min(count, sizeof(buf) - 1); 1859 if (copy_from_user(buf, user_buf, buf_size)) 1860 return -EFAULT; 1861 if (sscanf(buf, "%d", &csr) != 1) 1862 return -EFAULT; 1863 1864 if (priv->cfg->ops->lib->dump_csr) 1865 priv->cfg->ops->lib->dump_csr(priv); 1866 1867 return count; 1868} 1869 1870static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 1871 char __user *user_buf, 1872 size_t count, loff_t *ppos) { 1873 1874 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1875 int pos = 0; 1876 char buf[128]; 1877 const size_t bufsz = sizeof(buf); 1878 ssize_t ret; 1879 1880 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 1881 priv->event_log.ucode_trace ? "On" : "Off"); 1882 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 1883 priv->event_log.non_wraps_count); 1884 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 1885 priv->event_log.wraps_once_count); 1886 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 1887 priv->event_log.wraps_more_count); 1888 1889 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1890 return ret; 1891} 1892 1893static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 1894 const char __user *user_buf, 1895 size_t count, loff_t *ppos) 1896{ 1897 struct iwl_priv *priv = file->private_data; 1898 char buf[8]; 1899 int buf_size; 1900 int trace; 1901 1902 memset(buf, 0, sizeof(buf)); 1903 buf_size = min(count, sizeof(buf) - 1); 1904 if (copy_from_user(buf, user_buf, buf_size)) 1905 return -EFAULT; 1906 if (sscanf(buf, "%d", &trace) != 1) 1907 return -EFAULT; 1908 1909 if (trace) { 1910 priv->event_log.ucode_trace = true; 1911 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ 1912 mod_timer(&priv->ucode_trace, 1913 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); 1914 } else { 1915 priv->event_log.ucode_trace = false; 1916 del_timer_sync(&priv->ucode_trace); 1917 } 1918 1919 return count; 1920} 1921 1922DEBUGFS_READ_FILE_OPS(rx_statistics); 1923DEBUGFS_READ_FILE_OPS(tx_statistics); 1924DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 1925DEBUGFS_READ_FILE_OPS(rx_queue); 1926DEBUGFS_READ_FILE_OPS(tx_queue); 1927DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 1928DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 1929DEBUGFS_READ_FILE_OPS(ucode_general_stats); 1930DEBUGFS_READ_FILE_OPS(sensitivity); 1931DEBUGFS_READ_FILE_OPS(chain_noise); 1932DEBUGFS_READ_FILE_OPS(tx_power); 1933DEBUGFS_READ_FILE_OPS(power_save_status); 1934DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 1935DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 1936DEBUGFS_WRITE_FILE_OPS(csr); 1937DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 1938 1939/* 1940 * Create the debugfs files and directories 1941 * 1942 */ 1943int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 1944{ 1945 struct iwl_debugfs *dbgfs; 1946 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 1947 int ret = 0; 1948 1949 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL); 1950 if (!dbgfs) { 1951 ret = -ENOMEM; 1952 goto err; 1953 } 1954 1955 priv->dbgfs = dbgfs; 1956 dbgfs->name = name; 1957 dbgfs->dir_drv = debugfs_create_dir(name, phyd); 1958 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) { 1959 ret = -ENOENT; 1960 goto err; 1961 } 1962 1963 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv); 1964 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv); 1965 DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv); 1966 DEBUGFS_ADD_FILE(nvm, data, S_IRUSR); 1967 DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR); 1968 DEBUGFS_ADD_FILE(log_event, data, S_IWUSR); 1969 DEBUGFS_ADD_FILE(stations, data, S_IRUSR); 1970 DEBUGFS_ADD_FILE(channels, data, S_IRUSR); 1971 DEBUGFS_ADD_FILE(status, data, S_IRUSR); 1972 DEBUGFS_ADD_FILE(interrupt, data, S_IWUSR | S_IRUSR); 1973 DEBUGFS_ADD_FILE(qos, data, S_IRUSR); 1974 DEBUGFS_ADD_FILE(led, data, S_IRUSR); 1975 DEBUGFS_ADD_FILE(sleep_level_override, data, S_IWUSR | S_IRUSR); 1976 DEBUGFS_ADD_FILE(current_sleep_command, data, S_IRUSR); 1977 DEBUGFS_ADD_FILE(thermal_throttling, data, S_IRUSR); 1978 DEBUGFS_ADD_FILE(disable_ht40, data, S_IWUSR | S_IRUSR); 1979 DEBUGFS_ADD_FILE(rx_statistics, debug, S_IRUSR); 1980 DEBUGFS_ADD_FILE(tx_statistics, debug, S_IRUSR); 1981 DEBUGFS_ADD_FILE(traffic_log, debug, S_IWUSR | S_IRUSR); 1982 DEBUGFS_ADD_FILE(rx_queue, debug, S_IRUSR); 1983 DEBUGFS_ADD_FILE(tx_queue, debug, S_IRUSR); 1984 DEBUGFS_ADD_FILE(tx_power, debug, S_IRUSR); 1985 DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR); 1986 DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR); 1987 DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR); 1988 DEBUGFS_ADD_FILE(csr, debug, S_IWUSR); 1989 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 1990 DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR); 1991 DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR); 1992 DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR); 1993 DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR); 1994 DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR); 1995 DEBUGFS_ADD_FILE(ucode_tracing, debug, S_IWUSR | S_IRUSR); 1996 } 1997 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); 1998 DEBUGFS_ADD_BOOL(disable_chain_noise, rf, 1999 &priv->disable_chain_noise_cal); 2000 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 2001 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 2002 DEBUGFS_ADD_BOOL(disable_tx_power, rf, 2003 &priv->disable_tx_power_cal); 2004 return 0; 2005 2006err: 2007 IWL_ERR(priv, "Can't open the debugfs directory\n"); 2008 iwl_dbgfs_unregister(priv); 2009 return ret; 2010} 2011EXPORT_SYMBOL(iwl_dbgfs_register); 2012 2013/** 2014 * Remove the debugfs files and directories 2015 * 2016 */ 2017void iwl_dbgfs_unregister(struct iwl_priv *priv) 2018{ 2019 if (!priv->dbgfs) 2020 return; 2021 2022 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override); 2023 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command); 2024 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm); 2025 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram); 2026 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event); 2027 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations); 2028 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels); 2029 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status); 2030 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt); 2031 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos); 2032 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led); 2033 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling); 2034 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40); 2035 DEBUGFS_REMOVE(priv->dbgfs->dir_data); 2036 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics); 2037 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics); 2038 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log); 2039 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue); 2040 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue); 2041 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power); 2042 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status); 2043 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2044 file_clear_ucode_statistics); 2045 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2046 file_clear_traffic_statistics); 2047 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_csr); 2048 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 2049 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2050 file_ucode_rx_stats); 2051 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2052 file_ucode_tx_stats); 2053 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2054 file_ucode_general_stats); 2055 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2056 file_sensitivity); 2057 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2058 file_chain_noise); 2059 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. 2060 file_ucode_tracing); 2061 } 2062 DEBUGFS_REMOVE(priv->dbgfs->dir_debug); 2063 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); 2064 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise); 2065 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 2066 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 2067 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power); 2068 DEBUGFS_REMOVE(priv->dbgfs->dir_rf); 2069 DEBUGFS_REMOVE(priv->dbgfs->dir_drv); 2070 kfree(priv->dbgfs); 2071 priv->dbgfs = NULL; 2072} 2073EXPORT_SYMBOL(iwl_dbgfs_unregister); 2074 2075 2076 2077