iwl-debugfs.c revision 8f7ffbe2b275e5315773322161945a24518e31f4
1/****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2012 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/slab.h> 30#include <linux/kernel.h> 31#include <linux/module.h> 32#include <linux/debugfs.h> 33 34#include <linux/ieee80211.h> 35#include <net/mac80211.h> 36 37 38#include "iwl-dev.h" 39#include "iwl-debug.h" 40#include "iwl-core.h" 41#include "iwl-io.h" 42#include "iwl-agn.h" 43 44/* create and remove of files */ 45#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 46 if (!debugfs_create_file(#name, mode, parent, priv, \ 47 &iwl_dbgfs_##name##_ops)) \ 48 goto err; \ 49} while (0) 50 51#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 52 struct dentry *__tmp; \ 53 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 54 parent, ptr); \ 55 if (IS_ERR(__tmp) || !__tmp) \ 56 goto err; \ 57} while (0) 58 59#define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 60 struct dentry *__tmp; \ 61 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ 62 parent, ptr); \ 63 if (IS_ERR(__tmp) || !__tmp) \ 64 goto err; \ 65} while (0) 66 67#define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \ 68 struct dentry *__tmp; \ 69 __tmp = debugfs_create_u32(#name, mode, \ 70 parent, ptr); \ 71 if (IS_ERR(__tmp) || !__tmp) \ 72 goto err; \ 73} while (0) 74 75/* file operation */ 76#define DEBUGFS_READ_FUNC(name) \ 77static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ 78 char __user *user_buf, \ 79 size_t count, loff_t *ppos); 80 81#define DEBUGFS_WRITE_FUNC(name) \ 82static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ 83 const char __user *user_buf, \ 84 size_t count, loff_t *ppos); 85 86 87static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) 88{ 89 file->private_data = inode->i_private; 90 return 0; 91} 92 93#define DEBUGFS_READ_FILE_OPS(name) \ 94 DEBUGFS_READ_FUNC(name); \ 95static const struct file_operations iwl_dbgfs_##name##_ops = { \ 96 .read = iwl_dbgfs_##name##_read, \ 97 .open = iwl_dbgfs_open_file_generic, \ 98 .llseek = generic_file_llseek, \ 99}; 100 101#define DEBUGFS_WRITE_FILE_OPS(name) \ 102 DEBUGFS_WRITE_FUNC(name); \ 103static const struct file_operations iwl_dbgfs_##name##_ops = { \ 104 .write = iwl_dbgfs_##name##_write, \ 105 .open = iwl_dbgfs_open_file_generic, \ 106 .llseek = generic_file_llseek, \ 107}; 108 109 110#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 111 DEBUGFS_READ_FUNC(name); \ 112 DEBUGFS_WRITE_FUNC(name); \ 113static const struct file_operations iwl_dbgfs_##name##_ops = { \ 114 .write = iwl_dbgfs_##name##_write, \ 115 .read = iwl_dbgfs_##name##_read, \ 116 .open = iwl_dbgfs_open_file_generic, \ 117 .llseek = generic_file_llseek, \ 118}; 119 120static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, 121 char __user *user_buf, 122 size_t count, loff_t *ppos) { 123 124 struct iwl_priv *priv = file->private_data; 125 char *buf; 126 int pos = 0; 127 128 int cnt; 129 ssize_t ret; 130 const size_t bufsz = 100 + 131 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 132 buf = kzalloc(bufsz, GFP_KERNEL); 133 if (!buf) 134 return -ENOMEM; 135 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 136 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 137 pos += scnprintf(buf + pos, bufsz - pos, 138 "\t%25s\t\t: %u\n", 139 get_mgmt_string(cnt), 140 priv->tx_stats.mgmt[cnt]); 141 } 142 pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); 143 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 144 pos += scnprintf(buf + pos, bufsz - pos, 145 "\t%25s\t\t: %u\n", 146 get_ctrl_string(cnt), 147 priv->tx_stats.ctrl[cnt]); 148 } 149 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 150 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 151 priv->tx_stats.data_cnt); 152 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 153 priv->tx_stats.data_bytes); 154 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 155 kfree(buf); 156 return ret; 157} 158 159static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, 160 const char __user *user_buf, 161 size_t count, loff_t *ppos) 162{ 163 struct iwl_priv *priv = file->private_data; 164 u32 clear_flag; 165 char buf[8]; 166 int buf_size; 167 168 memset(buf, 0, sizeof(buf)); 169 buf_size = min(count, sizeof(buf) - 1); 170 if (copy_from_user(buf, user_buf, buf_size)) 171 return -EFAULT; 172 if (sscanf(buf, "%x", &clear_flag) != 1) 173 return -EFAULT; 174 iwl_clear_traffic_stats(priv); 175 176 return count; 177} 178 179static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, 180 char __user *user_buf, 181 size_t count, loff_t *ppos) { 182 183 struct iwl_priv *priv = file->private_data; 184 char *buf; 185 int pos = 0; 186 int cnt; 187 ssize_t ret; 188 const size_t bufsz = 100 + 189 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 190 buf = kzalloc(bufsz, GFP_KERNEL); 191 if (!buf) 192 return -ENOMEM; 193 194 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 195 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 196 pos += scnprintf(buf + pos, bufsz - pos, 197 "\t%25s\t\t: %u\n", 198 get_mgmt_string(cnt), 199 priv->rx_stats.mgmt[cnt]); 200 } 201 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); 202 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 203 pos += scnprintf(buf + pos, bufsz - pos, 204 "\t%25s\t\t: %u\n", 205 get_ctrl_string(cnt), 206 priv->rx_stats.ctrl[cnt]); 207 } 208 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 209 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 210 priv->rx_stats.data_cnt); 211 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 212 priv->rx_stats.data_bytes); 213 214 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 215 kfree(buf); 216 return ret; 217} 218 219static ssize_t iwl_dbgfs_sram_read(struct file *file, 220 char __user *user_buf, 221 size_t count, loff_t *ppos) 222{ 223 u32 val = 0; 224 char *buf; 225 ssize_t ret; 226 int i = 0; 227 bool device_format = false; 228 int offset = 0; 229 int len = 0; 230 int pos = 0; 231 int sram; 232 struct iwl_priv *priv = file->private_data; 233 size_t bufsz; 234 235 /* default is to dump the entire data segment */ 236 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 237 priv->dbgfs_sram_offset = 0x800000; 238 if (!priv->ucode_loaded) { 239 IWL_ERR(priv, "No uCode has been loadded.\n"); 240 return -EINVAL; 241 } 242 if (priv->shrd->ucode_type == IWL_UCODE_INIT) { 243 priv->dbgfs_sram_len = priv->fw->ucode_init.data.len; 244 } else if (priv->shrd->ucode_type == IWL_UCODE_REGULAR) { 245 priv->dbgfs_sram_len = priv->fw->ucode_rt.data.len; 246 } else if (priv->shrd->ucode_type == IWL_UCODE_WOWLAN) { 247 priv->dbgfs_sram_len = priv->fw->ucode_wowlan.data.len; 248 } else { 249 IWL_ERR(priv, "Unsupported type of uCode loaded?" 250 " that shouldn't happen.\n"); 251 return -EINVAL; 252 } 253 } 254 len = priv->dbgfs_sram_len; 255 256 if (len == -4) { 257 device_format = true; 258 len = 4; 259 } 260 261 bufsz = 50 + len * 4; 262 buf = kmalloc(bufsz, GFP_KERNEL); 263 if (!buf) 264 return -ENOMEM; 265 266 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 267 len); 268 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 269 priv->dbgfs_sram_offset); 270 271 /* adjust sram address since reads are only on even u32 boundaries */ 272 offset = priv->dbgfs_sram_offset & 0x3; 273 sram = priv->dbgfs_sram_offset & ~0x3; 274 275 /* read the first u32 from sram */ 276 val = iwl_read_targ_mem(trans(priv), sram); 277 278 for (; len; len--) { 279 /* put the address at the start of every line */ 280 if (i == 0) 281 pos += scnprintf(buf + pos, bufsz - pos, 282 "%08X: ", sram + offset); 283 284 if (device_format) 285 pos += scnprintf(buf + pos, bufsz - pos, 286 "%02x", (val >> (8 * (3 - offset))) & 0xff); 287 else 288 pos += scnprintf(buf + pos, bufsz - pos, 289 "%02x ", (val >> (8 * offset)) & 0xff); 290 291 /* if all bytes processed, read the next u32 from sram */ 292 if (++offset == 4) { 293 sram += 4; 294 offset = 0; 295 val = iwl_read_targ_mem(trans(priv), sram); 296 } 297 298 /* put in extra spaces and split lines for human readability */ 299 if (++i == 16) { 300 i = 0; 301 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 302 } else if (!(i & 7)) { 303 pos += scnprintf(buf + pos, bufsz - pos, " "); 304 } else if (!(i & 3)) { 305 pos += scnprintf(buf + pos, bufsz - pos, " "); 306 } 307 } 308 if (i) 309 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 310 311 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 312 kfree(buf); 313 return ret; 314} 315 316static ssize_t iwl_dbgfs_sram_write(struct file *file, 317 const char __user *user_buf, 318 size_t count, loff_t *ppos) 319{ 320 struct iwl_priv *priv = file->private_data; 321 char buf[64]; 322 int buf_size; 323 u32 offset, len; 324 325 memset(buf, 0, sizeof(buf)); 326 buf_size = min(count, sizeof(buf) - 1); 327 if (copy_from_user(buf, user_buf, buf_size)) 328 return -EFAULT; 329 330 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 331 priv->dbgfs_sram_offset = offset; 332 priv->dbgfs_sram_len = len; 333 } else if (sscanf(buf, "%x", &offset) == 1) { 334 priv->dbgfs_sram_offset = offset; 335 priv->dbgfs_sram_len = -4; 336 } else { 337 priv->dbgfs_sram_offset = 0; 338 priv->dbgfs_sram_len = 0; 339 } 340 341 return count; 342} 343 344static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 345 char __user *user_buf, 346 size_t count, loff_t *ppos) 347{ 348 struct iwl_priv *priv = file->private_data; 349 350 if (!priv->wowlan_sram) 351 return -ENODATA; 352 353 return simple_read_from_buffer(user_buf, count, ppos, 354 priv->wowlan_sram, 355 priv->fw->ucode_wowlan.data.len); 356} 357static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 358 size_t count, loff_t *ppos) 359{ 360 struct iwl_priv *priv = file->private_data; 361 struct iwl_station_entry *station; 362 struct iwl_tid_data *tid_data; 363 char *buf; 364 int i, j, pos = 0; 365 ssize_t ret; 366 /* Add 30 for initial string */ 367 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 368 369 buf = kmalloc(bufsz, GFP_KERNEL); 370 if (!buf) 371 return -ENOMEM; 372 373 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 374 priv->num_stations); 375 376 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 377 station = &priv->stations[i]; 378 if (!station->used) 379 continue; 380 pos += scnprintf(buf + pos, bufsz - pos, 381 "station %d - addr: %pM, flags: %#x\n", 382 i, station->sta.sta.addr, 383 station->sta.station_flags_msk); 384 pos += scnprintf(buf + pos, bufsz - pos, 385 "TID\tseq_num\trate_n_flags\n"); 386 387 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 388 tid_data = &priv->tid_data[i][j]; 389 pos += scnprintf(buf + pos, bufsz - pos, 390 "%d:\t%#x\t%#x", 391 j, tid_data->seq_number, 392 tid_data->agg.rate_n_flags); 393 394 if (tid_data->agg.wait_for_ba) 395 pos += scnprintf(buf + pos, bufsz - pos, 396 " - waitforba"); 397 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 398 } 399 400 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 401 } 402 403 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 404 kfree(buf); 405 return ret; 406} 407 408static ssize_t iwl_dbgfs_nvm_read(struct file *file, 409 char __user *user_buf, 410 size_t count, 411 loff_t *ppos) 412{ 413 ssize_t ret; 414 struct iwl_priv *priv = file->private_data; 415 int pos = 0, ofs = 0, buf_size = 0; 416 const u8 *ptr; 417 char *buf; 418 u16 eeprom_ver; 419 size_t eeprom_len = cfg(priv)->base_params->eeprom_size; 420 buf_size = 4 * eeprom_len + 256; 421 422 if (eeprom_len % 16) { 423 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 424 return -ENODATA; 425 } 426 427 ptr = priv->shrd->eeprom; 428 if (!ptr) { 429 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 430 return -ENOMEM; 431 } 432 433 /* 4 characters for byte 0xYY */ 434 buf = kzalloc(buf_size, GFP_KERNEL); 435 if (!buf) { 436 IWL_ERR(priv, "Can not allocate Buffer\n"); 437 return -ENOMEM; 438 } 439 eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION); 440 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 441 "version: 0x%x\n", 442 (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) 443 ? "OTP" : "EEPROM", eeprom_ver); 444 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 445 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 446 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 447 buf_size - pos, 0); 448 pos += strlen(buf + pos); 449 if (buf_size - pos > 0) 450 buf[pos++] = '\n'; 451 } 452 453 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 454 kfree(buf); 455 return ret; 456} 457 458static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 459 size_t count, loff_t *ppos) 460{ 461 struct iwl_priv *priv = file->private_data; 462 struct ieee80211_channel *channels = NULL; 463 const struct ieee80211_supported_band *supp_band = NULL; 464 int pos = 0, i, bufsz = PAGE_SIZE; 465 char *buf; 466 ssize_t ret; 467 468 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) 469 return -EAGAIN; 470 471 buf = kzalloc(bufsz, GFP_KERNEL); 472 if (!buf) { 473 IWL_ERR(priv, "Can not allocate Buffer\n"); 474 return -ENOMEM; 475 } 476 477 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 478 if (supp_band) { 479 channels = supp_band->channels; 480 481 pos += scnprintf(buf + pos, bufsz - pos, 482 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 483 supp_band->n_channels); 484 485 for (i = 0; i < supp_band->n_channels; i++) 486 pos += scnprintf(buf + pos, bufsz - pos, 487 "%d: %ddBm: BSS%s%s, %s.\n", 488 channels[i].hw_value, 489 channels[i].max_power, 490 channels[i].flags & IEEE80211_CHAN_RADAR ? 491 " (IEEE 802.11h required)" : "", 492 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 493 || (channels[i].flags & 494 IEEE80211_CHAN_RADAR)) ? "" : 495 ", IBSS", 496 channels[i].flags & 497 IEEE80211_CHAN_PASSIVE_SCAN ? 498 "passive only" : "active/passive"); 499 } 500 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 501 if (supp_band) { 502 channels = supp_band->channels; 503 504 pos += scnprintf(buf + pos, bufsz - pos, 505 "Displaying %d channels in 5.2GHz band (802.11a)\n", 506 supp_band->n_channels); 507 508 for (i = 0; i < supp_band->n_channels; i++) 509 pos += scnprintf(buf + pos, bufsz - pos, 510 "%d: %ddBm: BSS%s%s, %s.\n", 511 channels[i].hw_value, 512 channels[i].max_power, 513 channels[i].flags & IEEE80211_CHAN_RADAR ? 514 " (IEEE 802.11h required)" : "", 515 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 516 || (channels[i].flags & 517 IEEE80211_CHAN_RADAR)) ? "" : 518 ", IBSS", 519 channels[i].flags & 520 IEEE80211_CHAN_PASSIVE_SCAN ? 521 "passive only" : "active/passive"); 522 } 523 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 524 kfree(buf); 525 return ret; 526} 527 528static ssize_t iwl_dbgfs_status_read(struct file *file, 529 char __user *user_buf, 530 size_t count, loff_t *ppos) { 531 532 struct iwl_priv *priv = file->private_data; 533 char buf[512]; 534 int pos = 0; 535 const size_t bufsz = sizeof(buf); 536 537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 538 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status)); 539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 540 test_bit(STATUS_RF_KILL_HW, &priv->status)); 541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 542 test_bit(STATUS_CT_KILL, &priv->status)); 543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 544 test_bit(STATUS_ALIVE, &priv->status)); 545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 546 test_bit(STATUS_READY, &priv->status)); 547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 548 test_bit(STATUS_GEO_CONFIGURED, &priv->status)); 549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 550 test_bit(STATUS_EXIT_PENDING, &priv->status)); 551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 552 test_bit(STATUS_STATISTICS, &priv->status)); 553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 554 test_bit(STATUS_SCANNING, &priv->status)); 555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 556 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 558 test_bit(STATUS_SCAN_HW, &priv->status)); 559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 560 test_bit(STATUS_POWER_PMI, &priv->shrd->status)); 561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 562 test_bit(STATUS_FW_ERROR, &priv->shrd->status)); 563 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 564} 565 566static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 567 char __user *user_buf, 568 size_t count, loff_t *ppos) { 569 570 struct iwl_priv *priv = file->private_data; 571 572 int pos = 0; 573 int cnt = 0; 574 char *buf; 575 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 576 ssize_t ret; 577 578 buf = kzalloc(bufsz, GFP_KERNEL); 579 if (!buf) { 580 IWL_ERR(priv, "Can not allocate Buffer\n"); 581 return -ENOMEM; 582 } 583 584 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 585 if (priv->rx_handlers_stats[cnt] > 0) 586 pos += scnprintf(buf + pos, bufsz - pos, 587 "\tRx handler[%36s]:\t\t %u\n", 588 get_cmd_string(cnt), 589 priv->rx_handlers_stats[cnt]); 590 } 591 592 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 593 kfree(buf); 594 return ret; 595} 596 597static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 598 const char __user *user_buf, 599 size_t count, loff_t *ppos) 600{ 601 struct iwl_priv *priv = file->private_data; 602 603 char buf[8]; 604 int buf_size; 605 u32 reset_flag; 606 607 memset(buf, 0, sizeof(buf)); 608 buf_size = min(count, sizeof(buf) - 1); 609 if (copy_from_user(buf, user_buf, buf_size)) 610 return -EFAULT; 611 if (sscanf(buf, "%x", &reset_flag) != 1) 612 return -EFAULT; 613 if (reset_flag == 0) 614 memset(&priv->rx_handlers_stats[0], 0, 615 sizeof(priv->rx_handlers_stats)); 616 617 return count; 618} 619 620static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 621 size_t count, loff_t *ppos) 622{ 623 struct iwl_priv *priv = file->private_data; 624 struct iwl_rxon_context *ctx; 625 int pos = 0, i; 626 char buf[256 * NUM_IWL_RXON_CTX]; 627 const size_t bufsz = sizeof(buf); 628 629 for_each_context(priv, ctx) { 630 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 631 ctx->ctxid); 632 for (i = 0; i < AC_NUM; i++) { 633 pos += scnprintf(buf + pos, bufsz - pos, 634 "\tcw_min\tcw_max\taifsn\ttxop\n"); 635 pos += scnprintf(buf + pos, bufsz - pos, 636 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 637 ctx->qos_data.def_qos_parm.ac[i].cw_min, 638 ctx->qos_data.def_qos_parm.ac[i].cw_max, 639 ctx->qos_data.def_qos_parm.ac[i].aifsn, 640 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 641 } 642 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 643 } 644 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 645} 646 647static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 648 char __user *user_buf, 649 size_t count, loff_t *ppos) 650{ 651 struct iwl_priv *priv = file->private_data; 652 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 653 struct iwl_tt_restriction *restriction; 654 char buf[100]; 655 int pos = 0; 656 const size_t bufsz = sizeof(buf); 657 658 pos += scnprintf(buf + pos, bufsz - pos, 659 "Thermal Throttling Mode: %s\n", 660 tt->advanced_tt ? "Advance" : "Legacy"); 661 pos += scnprintf(buf + pos, bufsz - pos, 662 "Thermal Throttling State: %d\n", 663 tt->state); 664 if (tt->advanced_tt) { 665 restriction = tt->restriction + tt->state; 666 pos += scnprintf(buf + pos, bufsz - pos, 667 "Tx mode: %d\n", 668 restriction->tx_stream); 669 pos += scnprintf(buf + pos, bufsz - pos, 670 "Rx mode: %d\n", 671 restriction->rx_stream); 672 pos += scnprintf(buf + pos, bufsz - pos, 673 "HT mode: %d\n", 674 restriction->is_ht); 675 } 676 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 677} 678 679static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 680 const char __user *user_buf, 681 size_t count, loff_t *ppos) 682{ 683 struct iwl_priv *priv = file->private_data; 684 char buf[8]; 685 int buf_size; 686 int ht40; 687 688 memset(buf, 0, sizeof(buf)); 689 buf_size = min(count, sizeof(buf) - 1); 690 if (copy_from_user(buf, user_buf, buf_size)) 691 return -EFAULT; 692 if (sscanf(buf, "%d", &ht40) != 1) 693 return -EFAULT; 694 if (!iwl_is_any_associated(priv)) 695 priv->disable_ht40 = ht40 ? true : false; 696 else { 697 IWL_ERR(priv, "Sta associated with AP - " 698 "Change to 40MHz channel support is not allowed\n"); 699 return -EINVAL; 700 } 701 702 return count; 703} 704 705static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 706 char __user *user_buf, 707 size_t count, loff_t *ppos) 708{ 709 struct iwl_priv *priv = file->private_data; 710 char buf[100]; 711 int pos = 0; 712 const size_t bufsz = sizeof(buf); 713 714 pos += scnprintf(buf + pos, bufsz - pos, 715 "11n 40MHz Mode: %s\n", 716 priv->disable_ht40 ? "Disabled" : "Enabled"); 717 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 718} 719 720static ssize_t iwl_dbgfs_temperature_read(struct file *file, 721 char __user *user_buf, 722 size_t count, loff_t *ppos) 723{ 724 struct iwl_priv *priv = file->private_data; 725 char buf[8]; 726 int pos = 0; 727 const size_t bufsz = sizeof(buf); 728 729 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 730 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 731} 732 733 734static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 735 const char __user *user_buf, 736 size_t count, loff_t *ppos) 737{ 738 struct iwl_priv *priv = file->private_data; 739 char buf[8]; 740 int buf_size; 741 int value; 742 743 memset(buf, 0, sizeof(buf)); 744 buf_size = min(count, sizeof(buf) - 1); 745 if (copy_from_user(buf, user_buf, buf_size)) 746 return -EFAULT; 747 748 if (sscanf(buf, "%d", &value) != 1) 749 return -EINVAL; 750 751 /* 752 * Our users expect 0 to be "CAM", but 0 isn't actually 753 * valid here. However, let's not confuse them and present 754 * IWL_POWER_INDEX_1 as "1", not "0". 755 */ 756 if (value == 0) 757 return -EINVAL; 758 else if (value > 0) 759 value -= 1; 760 761 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 762 return -EINVAL; 763 764 if (!iwl_is_ready_rf(priv)) 765 return -EAGAIN; 766 767 priv->power_data.debug_sleep_level_override = value; 768 769 mutex_lock(&priv->mutex); 770 iwl_power_update_mode(priv, true); 771 mutex_unlock(&priv->mutex); 772 773 return count; 774} 775 776static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 777 char __user *user_buf, 778 size_t count, loff_t *ppos) 779{ 780 struct iwl_priv *priv = file->private_data; 781 char buf[10]; 782 int pos, value; 783 const size_t bufsz = sizeof(buf); 784 785 /* see the write function */ 786 value = priv->power_data.debug_sleep_level_override; 787 if (value >= 0) 788 value += 1; 789 790 pos = scnprintf(buf, bufsz, "%d\n", value); 791 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 792} 793 794static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 795 char __user *user_buf, 796 size_t count, loff_t *ppos) 797{ 798 struct iwl_priv *priv = file->private_data; 799 char buf[200]; 800 int pos = 0, i; 801 const size_t bufsz = sizeof(buf); 802 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 803 804 pos += scnprintf(buf + pos, bufsz - pos, 805 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 806 pos += scnprintf(buf + pos, bufsz - pos, 807 "RX/TX timeout: %d/%d usec\n", 808 le32_to_cpu(cmd->rx_data_timeout), 809 le32_to_cpu(cmd->tx_data_timeout)); 810 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 811 pos += scnprintf(buf + pos, bufsz - pos, 812 "sleep_interval[%d]: %d\n", i, 813 le32_to_cpu(cmd->sleep_interval[i])); 814 815 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 816} 817 818DEBUGFS_READ_WRITE_FILE_OPS(sram); 819DEBUGFS_READ_FILE_OPS(wowlan_sram); 820DEBUGFS_READ_FILE_OPS(nvm); 821DEBUGFS_READ_FILE_OPS(stations); 822DEBUGFS_READ_FILE_OPS(channels); 823DEBUGFS_READ_FILE_OPS(status); 824DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 825DEBUGFS_READ_FILE_OPS(qos); 826DEBUGFS_READ_FILE_OPS(thermal_throttling); 827DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 828DEBUGFS_READ_FILE_OPS(temperature); 829DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 830DEBUGFS_READ_FILE_OPS(current_sleep_command); 831 832static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 833 char __user *user_buf, 834 size_t count, loff_t *ppos) 835{ 836 struct iwl_priv *priv = file->private_data; 837 int pos = 0, ofs = 0; 838 int cnt = 0, entry; 839 840 char *buf; 841 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 842 (cfg(priv)->base_params->num_of_queues * 32 * 8) + 400; 843 const u8 *ptr; 844 ssize_t ret; 845 846 buf = kzalloc(bufsz, GFP_KERNEL); 847 if (!buf) { 848 IWL_ERR(priv, "Can not allocate buffer\n"); 849 return -ENOMEM; 850 } 851 if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) { 852 ptr = priv->tx_traffic; 853 pos += scnprintf(buf + pos, bufsz - pos, 854 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 855 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 856 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 857 entry++, ofs += 16) { 858 pos += scnprintf(buf + pos, bufsz - pos, 859 "0x%.4x ", ofs); 860 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 861 buf + pos, bufsz - pos, 0); 862 pos += strlen(buf + pos); 863 if (bufsz - pos > 0) 864 buf[pos++] = '\n'; 865 } 866 } 867 } 868 869 if (priv->rx_traffic && iwl_have_debug_level(IWL_DL_RX)) { 870 ptr = priv->rx_traffic; 871 pos += scnprintf(buf + pos, bufsz - pos, 872 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 873 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 874 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 875 entry++, ofs += 16) { 876 pos += scnprintf(buf + pos, bufsz - pos, 877 "0x%.4x ", ofs); 878 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 879 buf + pos, bufsz - pos, 0); 880 pos += strlen(buf + pos); 881 if (bufsz - pos > 0) 882 buf[pos++] = '\n'; 883 } 884 } 885 } 886 887 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 888 kfree(buf); 889 return ret; 890} 891 892static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 893 const char __user *user_buf, 894 size_t count, loff_t *ppos) 895{ 896 struct iwl_priv *priv = file->private_data; 897 char buf[8]; 898 int buf_size; 899 int traffic_log; 900 901 memset(buf, 0, sizeof(buf)); 902 buf_size = min(count, sizeof(buf) - 1); 903 if (copy_from_user(buf, user_buf, buf_size)) 904 return -EFAULT; 905 if (sscanf(buf, "%d", &traffic_log) != 1) 906 return -EFAULT; 907 if (traffic_log == 0) 908 iwl_reset_traffic_log(priv); 909 910 return count; 911} 912 913static const char *fmt_value = " %-30s %10u\n"; 914static const char *fmt_hex = " %-30s 0x%02X\n"; 915static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; 916static const char *fmt_header = 917 "%-32s current cumulative delta max\n"; 918 919static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 920{ 921 int p = 0; 922 u32 flag; 923 924 lockdep_assert_held(&priv->statistics.lock); 925 926 flag = le32_to_cpu(priv->statistics.flag); 927 928 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 929 if (flag & UCODE_STATISTICS_CLEAR_MSK) 930 p += scnprintf(buf + p, bufsz - p, 931 "\tStatistics have been cleared\n"); 932 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 933 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 934 ? "2.4 GHz" : "5.2 GHz"); 935 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 936 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 937 ? "enabled" : "disabled"); 938 939 return p; 940} 941 942static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 943 char __user *user_buf, 944 size_t count, loff_t *ppos) 945{ 946 struct iwl_priv *priv = file->private_data; 947 int pos = 0; 948 char *buf; 949 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 950 sizeof(struct statistics_rx_non_phy) * 40 + 951 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 952 ssize_t ret; 953 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 954 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 955 struct statistics_rx_non_phy *general, *accum_general; 956 struct statistics_rx_non_phy *delta_general, *max_general; 957 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 958 959 if (!iwl_is_alive(priv)) 960 return -EAGAIN; 961 962 buf = kzalloc(bufsz, GFP_KERNEL); 963 if (!buf) { 964 IWL_ERR(priv, "Can not allocate Buffer\n"); 965 return -ENOMEM; 966 } 967 968 /* 969 * the statistic information display here is based on 970 * the last statistics notification from uCode 971 * might not reflect the current uCode activity 972 */ 973 spin_lock_bh(&priv->statistics.lock); 974 ofdm = &priv->statistics.rx_ofdm; 975 cck = &priv->statistics.rx_cck; 976 general = &priv->statistics.rx_non_phy; 977 ht = &priv->statistics.rx_ofdm_ht; 978 accum_ofdm = &priv->accum_stats.rx_ofdm; 979 accum_cck = &priv->accum_stats.rx_cck; 980 accum_general = &priv->accum_stats.rx_non_phy; 981 accum_ht = &priv->accum_stats.rx_ofdm_ht; 982 delta_ofdm = &priv->delta_stats.rx_ofdm; 983 delta_cck = &priv->delta_stats.rx_cck; 984 delta_general = &priv->delta_stats.rx_non_phy; 985 delta_ht = &priv->delta_stats.rx_ofdm_ht; 986 max_ofdm = &priv->max_delta_stats.rx_ofdm; 987 max_cck = &priv->max_delta_stats.rx_cck; 988 max_general = &priv->max_delta_stats.rx_non_phy; 989 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 990 991 pos += iwl_statistics_flag(priv, buf, bufsz); 992 pos += scnprintf(buf + pos, bufsz - pos, 993 fmt_header, "Statistics_Rx - OFDM:"); 994 pos += scnprintf(buf + pos, bufsz - pos, 995 fmt_table, "ina_cnt:", 996 le32_to_cpu(ofdm->ina_cnt), 997 accum_ofdm->ina_cnt, 998 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 999 pos += scnprintf(buf + pos, bufsz - pos, 1000 fmt_table, "fina_cnt:", 1001 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 1002 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 1003 pos += scnprintf(buf + pos, bufsz - pos, 1004 fmt_table, "plcp_err:", 1005 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 1006 delta_ofdm->plcp_err, max_ofdm->plcp_err); 1007 pos += scnprintf(buf + pos, bufsz - pos, 1008 fmt_table, "crc32_err:", 1009 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 1010 delta_ofdm->crc32_err, max_ofdm->crc32_err); 1011 pos += scnprintf(buf + pos, bufsz - pos, 1012 fmt_table, "overrun_err:", 1013 le32_to_cpu(ofdm->overrun_err), 1014 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 1015 max_ofdm->overrun_err); 1016 pos += scnprintf(buf + pos, bufsz - pos, 1017 fmt_table, "early_overrun_err:", 1018 le32_to_cpu(ofdm->early_overrun_err), 1019 accum_ofdm->early_overrun_err, 1020 delta_ofdm->early_overrun_err, 1021 max_ofdm->early_overrun_err); 1022 pos += scnprintf(buf + pos, bufsz - pos, 1023 fmt_table, "crc32_good:", 1024 le32_to_cpu(ofdm->crc32_good), 1025 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 1026 max_ofdm->crc32_good); 1027 pos += scnprintf(buf + pos, bufsz - pos, 1028 fmt_table, "false_alarm_cnt:", 1029 le32_to_cpu(ofdm->false_alarm_cnt), 1030 accum_ofdm->false_alarm_cnt, 1031 delta_ofdm->false_alarm_cnt, 1032 max_ofdm->false_alarm_cnt); 1033 pos += scnprintf(buf + pos, bufsz - pos, 1034 fmt_table, "fina_sync_err_cnt:", 1035 le32_to_cpu(ofdm->fina_sync_err_cnt), 1036 accum_ofdm->fina_sync_err_cnt, 1037 delta_ofdm->fina_sync_err_cnt, 1038 max_ofdm->fina_sync_err_cnt); 1039 pos += scnprintf(buf + pos, bufsz - pos, 1040 fmt_table, "sfd_timeout:", 1041 le32_to_cpu(ofdm->sfd_timeout), 1042 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 1043 max_ofdm->sfd_timeout); 1044 pos += scnprintf(buf + pos, bufsz - pos, 1045 fmt_table, "fina_timeout:", 1046 le32_to_cpu(ofdm->fina_timeout), 1047 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 1048 max_ofdm->fina_timeout); 1049 pos += scnprintf(buf + pos, bufsz - pos, 1050 fmt_table, "unresponded_rts:", 1051 le32_to_cpu(ofdm->unresponded_rts), 1052 accum_ofdm->unresponded_rts, 1053 delta_ofdm->unresponded_rts, 1054 max_ofdm->unresponded_rts); 1055 pos += scnprintf(buf + pos, bufsz - pos, 1056 fmt_table, "rxe_frame_lmt_ovrun:", 1057 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1058 accum_ofdm->rxe_frame_limit_overrun, 1059 delta_ofdm->rxe_frame_limit_overrun, 1060 max_ofdm->rxe_frame_limit_overrun); 1061 pos += scnprintf(buf + pos, bufsz - pos, 1062 fmt_table, "sent_ack_cnt:", 1063 le32_to_cpu(ofdm->sent_ack_cnt), 1064 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 1065 max_ofdm->sent_ack_cnt); 1066 pos += scnprintf(buf + pos, bufsz - pos, 1067 fmt_table, "sent_cts_cnt:", 1068 le32_to_cpu(ofdm->sent_cts_cnt), 1069 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 1070 max_ofdm->sent_cts_cnt); 1071 pos += scnprintf(buf + pos, bufsz - pos, 1072 fmt_table, "sent_ba_rsp_cnt:", 1073 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1074 accum_ofdm->sent_ba_rsp_cnt, 1075 delta_ofdm->sent_ba_rsp_cnt, 1076 max_ofdm->sent_ba_rsp_cnt); 1077 pos += scnprintf(buf + pos, bufsz - pos, 1078 fmt_table, "dsp_self_kill:", 1079 le32_to_cpu(ofdm->dsp_self_kill), 1080 accum_ofdm->dsp_self_kill, 1081 delta_ofdm->dsp_self_kill, 1082 max_ofdm->dsp_self_kill); 1083 pos += scnprintf(buf + pos, bufsz - pos, 1084 fmt_table, "mh_format_err:", 1085 le32_to_cpu(ofdm->mh_format_err), 1086 accum_ofdm->mh_format_err, 1087 delta_ofdm->mh_format_err, 1088 max_ofdm->mh_format_err); 1089 pos += scnprintf(buf + pos, bufsz - pos, 1090 fmt_table, "re_acq_main_rssi_sum:", 1091 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1092 accum_ofdm->re_acq_main_rssi_sum, 1093 delta_ofdm->re_acq_main_rssi_sum, 1094 max_ofdm->re_acq_main_rssi_sum); 1095 1096 pos += scnprintf(buf + pos, bufsz - pos, 1097 fmt_header, "Statistics_Rx - CCK:"); 1098 pos += scnprintf(buf + pos, bufsz - pos, 1099 fmt_table, "ina_cnt:", 1100 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 1101 delta_cck->ina_cnt, max_cck->ina_cnt); 1102 pos += scnprintf(buf + pos, bufsz - pos, 1103 fmt_table, "fina_cnt:", 1104 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 1105 delta_cck->fina_cnt, max_cck->fina_cnt); 1106 pos += scnprintf(buf + pos, bufsz - pos, 1107 fmt_table, "plcp_err:", 1108 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 1109 delta_cck->plcp_err, max_cck->plcp_err); 1110 pos += scnprintf(buf + pos, bufsz - pos, 1111 fmt_table, "crc32_err:", 1112 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 1113 delta_cck->crc32_err, max_cck->crc32_err); 1114 pos += scnprintf(buf + pos, bufsz - pos, 1115 fmt_table, "overrun_err:", 1116 le32_to_cpu(cck->overrun_err), 1117 accum_cck->overrun_err, delta_cck->overrun_err, 1118 max_cck->overrun_err); 1119 pos += scnprintf(buf + pos, bufsz - pos, 1120 fmt_table, "early_overrun_err:", 1121 le32_to_cpu(cck->early_overrun_err), 1122 accum_cck->early_overrun_err, 1123 delta_cck->early_overrun_err, 1124 max_cck->early_overrun_err); 1125 pos += scnprintf(buf + pos, bufsz - pos, 1126 fmt_table, "crc32_good:", 1127 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 1128 delta_cck->crc32_good, max_cck->crc32_good); 1129 pos += scnprintf(buf + pos, bufsz - pos, 1130 fmt_table, "false_alarm_cnt:", 1131 le32_to_cpu(cck->false_alarm_cnt), 1132 accum_cck->false_alarm_cnt, 1133 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 1134 pos += scnprintf(buf + pos, bufsz - pos, 1135 fmt_table, "fina_sync_err_cnt:", 1136 le32_to_cpu(cck->fina_sync_err_cnt), 1137 accum_cck->fina_sync_err_cnt, 1138 delta_cck->fina_sync_err_cnt, 1139 max_cck->fina_sync_err_cnt); 1140 pos += scnprintf(buf + pos, bufsz - pos, 1141 fmt_table, "sfd_timeout:", 1142 le32_to_cpu(cck->sfd_timeout), 1143 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 1144 max_cck->sfd_timeout); 1145 pos += scnprintf(buf + pos, bufsz - pos, 1146 fmt_table, "fina_timeout:", 1147 le32_to_cpu(cck->fina_timeout), 1148 accum_cck->fina_timeout, delta_cck->fina_timeout, 1149 max_cck->fina_timeout); 1150 pos += scnprintf(buf + pos, bufsz - pos, 1151 fmt_table, "unresponded_rts:", 1152 le32_to_cpu(cck->unresponded_rts), 1153 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 1154 max_cck->unresponded_rts); 1155 pos += scnprintf(buf + pos, bufsz - pos, 1156 fmt_table, "rxe_frame_lmt_ovrun:", 1157 le32_to_cpu(cck->rxe_frame_limit_overrun), 1158 accum_cck->rxe_frame_limit_overrun, 1159 delta_cck->rxe_frame_limit_overrun, 1160 max_cck->rxe_frame_limit_overrun); 1161 pos += scnprintf(buf + pos, bufsz - pos, 1162 fmt_table, "sent_ack_cnt:", 1163 le32_to_cpu(cck->sent_ack_cnt), 1164 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 1165 max_cck->sent_ack_cnt); 1166 pos += scnprintf(buf + pos, bufsz - pos, 1167 fmt_table, "sent_cts_cnt:", 1168 le32_to_cpu(cck->sent_cts_cnt), 1169 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 1170 max_cck->sent_cts_cnt); 1171 pos += scnprintf(buf + pos, bufsz - pos, 1172 fmt_table, "sent_ba_rsp_cnt:", 1173 le32_to_cpu(cck->sent_ba_rsp_cnt), 1174 accum_cck->sent_ba_rsp_cnt, 1175 delta_cck->sent_ba_rsp_cnt, 1176 max_cck->sent_ba_rsp_cnt); 1177 pos += scnprintf(buf + pos, bufsz - pos, 1178 fmt_table, "dsp_self_kill:", 1179 le32_to_cpu(cck->dsp_self_kill), 1180 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 1181 max_cck->dsp_self_kill); 1182 pos += scnprintf(buf + pos, bufsz - pos, 1183 fmt_table, "mh_format_err:", 1184 le32_to_cpu(cck->mh_format_err), 1185 accum_cck->mh_format_err, delta_cck->mh_format_err, 1186 max_cck->mh_format_err); 1187 pos += scnprintf(buf + pos, bufsz - pos, 1188 fmt_table, "re_acq_main_rssi_sum:", 1189 le32_to_cpu(cck->re_acq_main_rssi_sum), 1190 accum_cck->re_acq_main_rssi_sum, 1191 delta_cck->re_acq_main_rssi_sum, 1192 max_cck->re_acq_main_rssi_sum); 1193 1194 pos += scnprintf(buf + pos, bufsz - pos, 1195 fmt_header, "Statistics_Rx - GENERAL:"); 1196 pos += scnprintf(buf + pos, bufsz - pos, 1197 fmt_table, "bogus_cts:", 1198 le32_to_cpu(general->bogus_cts), 1199 accum_general->bogus_cts, delta_general->bogus_cts, 1200 max_general->bogus_cts); 1201 pos += scnprintf(buf + pos, bufsz - pos, 1202 fmt_table, "bogus_ack:", 1203 le32_to_cpu(general->bogus_ack), 1204 accum_general->bogus_ack, delta_general->bogus_ack, 1205 max_general->bogus_ack); 1206 pos += scnprintf(buf + pos, bufsz - pos, 1207 fmt_table, "non_bssid_frames:", 1208 le32_to_cpu(general->non_bssid_frames), 1209 accum_general->non_bssid_frames, 1210 delta_general->non_bssid_frames, 1211 max_general->non_bssid_frames); 1212 pos += scnprintf(buf + pos, bufsz - pos, 1213 fmt_table, "filtered_frames:", 1214 le32_to_cpu(general->filtered_frames), 1215 accum_general->filtered_frames, 1216 delta_general->filtered_frames, 1217 max_general->filtered_frames); 1218 pos += scnprintf(buf + pos, bufsz - pos, 1219 fmt_table, "non_channel_beacons:", 1220 le32_to_cpu(general->non_channel_beacons), 1221 accum_general->non_channel_beacons, 1222 delta_general->non_channel_beacons, 1223 max_general->non_channel_beacons); 1224 pos += scnprintf(buf + pos, bufsz - pos, 1225 fmt_table, "channel_beacons:", 1226 le32_to_cpu(general->channel_beacons), 1227 accum_general->channel_beacons, 1228 delta_general->channel_beacons, 1229 max_general->channel_beacons); 1230 pos += scnprintf(buf + pos, bufsz - pos, 1231 fmt_table, "num_missed_bcon:", 1232 le32_to_cpu(general->num_missed_bcon), 1233 accum_general->num_missed_bcon, 1234 delta_general->num_missed_bcon, 1235 max_general->num_missed_bcon); 1236 pos += scnprintf(buf + pos, bufsz - pos, 1237 fmt_table, "adc_rx_saturation_time:", 1238 le32_to_cpu(general->adc_rx_saturation_time), 1239 accum_general->adc_rx_saturation_time, 1240 delta_general->adc_rx_saturation_time, 1241 max_general->adc_rx_saturation_time); 1242 pos += scnprintf(buf + pos, bufsz - pos, 1243 fmt_table, "ina_detect_search_tm:", 1244 le32_to_cpu(general->ina_detection_search_time), 1245 accum_general->ina_detection_search_time, 1246 delta_general->ina_detection_search_time, 1247 max_general->ina_detection_search_time); 1248 pos += scnprintf(buf + pos, bufsz - pos, 1249 fmt_table, "beacon_silence_rssi_a:", 1250 le32_to_cpu(general->beacon_silence_rssi_a), 1251 accum_general->beacon_silence_rssi_a, 1252 delta_general->beacon_silence_rssi_a, 1253 max_general->beacon_silence_rssi_a); 1254 pos += scnprintf(buf + pos, bufsz - pos, 1255 fmt_table, "beacon_silence_rssi_b:", 1256 le32_to_cpu(general->beacon_silence_rssi_b), 1257 accum_general->beacon_silence_rssi_b, 1258 delta_general->beacon_silence_rssi_b, 1259 max_general->beacon_silence_rssi_b); 1260 pos += scnprintf(buf + pos, bufsz - pos, 1261 fmt_table, "beacon_silence_rssi_c:", 1262 le32_to_cpu(general->beacon_silence_rssi_c), 1263 accum_general->beacon_silence_rssi_c, 1264 delta_general->beacon_silence_rssi_c, 1265 max_general->beacon_silence_rssi_c); 1266 pos += scnprintf(buf + pos, bufsz - pos, 1267 fmt_table, "interference_data_flag:", 1268 le32_to_cpu(general->interference_data_flag), 1269 accum_general->interference_data_flag, 1270 delta_general->interference_data_flag, 1271 max_general->interference_data_flag); 1272 pos += scnprintf(buf + pos, bufsz - pos, 1273 fmt_table, "channel_load:", 1274 le32_to_cpu(general->channel_load), 1275 accum_general->channel_load, 1276 delta_general->channel_load, 1277 max_general->channel_load); 1278 pos += scnprintf(buf + pos, bufsz - pos, 1279 fmt_table, "dsp_false_alarms:", 1280 le32_to_cpu(general->dsp_false_alarms), 1281 accum_general->dsp_false_alarms, 1282 delta_general->dsp_false_alarms, 1283 max_general->dsp_false_alarms); 1284 pos += scnprintf(buf + pos, bufsz - pos, 1285 fmt_table, "beacon_rssi_a:", 1286 le32_to_cpu(general->beacon_rssi_a), 1287 accum_general->beacon_rssi_a, 1288 delta_general->beacon_rssi_a, 1289 max_general->beacon_rssi_a); 1290 pos += scnprintf(buf + pos, bufsz - pos, 1291 fmt_table, "beacon_rssi_b:", 1292 le32_to_cpu(general->beacon_rssi_b), 1293 accum_general->beacon_rssi_b, 1294 delta_general->beacon_rssi_b, 1295 max_general->beacon_rssi_b); 1296 pos += scnprintf(buf + pos, bufsz - pos, 1297 fmt_table, "beacon_rssi_c:", 1298 le32_to_cpu(general->beacon_rssi_c), 1299 accum_general->beacon_rssi_c, 1300 delta_general->beacon_rssi_c, 1301 max_general->beacon_rssi_c); 1302 pos += scnprintf(buf + pos, bufsz - pos, 1303 fmt_table, "beacon_energy_a:", 1304 le32_to_cpu(general->beacon_energy_a), 1305 accum_general->beacon_energy_a, 1306 delta_general->beacon_energy_a, 1307 max_general->beacon_energy_a); 1308 pos += scnprintf(buf + pos, bufsz - pos, 1309 fmt_table, "beacon_energy_b:", 1310 le32_to_cpu(general->beacon_energy_b), 1311 accum_general->beacon_energy_b, 1312 delta_general->beacon_energy_b, 1313 max_general->beacon_energy_b); 1314 pos += scnprintf(buf + pos, bufsz - pos, 1315 fmt_table, "beacon_energy_c:", 1316 le32_to_cpu(general->beacon_energy_c), 1317 accum_general->beacon_energy_c, 1318 delta_general->beacon_energy_c, 1319 max_general->beacon_energy_c); 1320 1321 pos += scnprintf(buf + pos, bufsz - pos, 1322 fmt_header, "Statistics_Rx - OFDM_HT:"); 1323 pos += scnprintf(buf + pos, bufsz - pos, 1324 fmt_table, "plcp_err:", 1325 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1326 delta_ht->plcp_err, max_ht->plcp_err); 1327 pos += scnprintf(buf + pos, bufsz - pos, 1328 fmt_table, "overrun_err:", 1329 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1330 delta_ht->overrun_err, max_ht->overrun_err); 1331 pos += scnprintf(buf + pos, bufsz - pos, 1332 fmt_table, "early_overrun_err:", 1333 le32_to_cpu(ht->early_overrun_err), 1334 accum_ht->early_overrun_err, 1335 delta_ht->early_overrun_err, 1336 max_ht->early_overrun_err); 1337 pos += scnprintf(buf + pos, bufsz - pos, 1338 fmt_table, "crc32_good:", 1339 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1340 delta_ht->crc32_good, max_ht->crc32_good); 1341 pos += scnprintf(buf + pos, bufsz - pos, 1342 fmt_table, "crc32_err:", 1343 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1344 delta_ht->crc32_err, max_ht->crc32_err); 1345 pos += scnprintf(buf + pos, bufsz - pos, 1346 fmt_table, "mh_format_err:", 1347 le32_to_cpu(ht->mh_format_err), 1348 accum_ht->mh_format_err, 1349 delta_ht->mh_format_err, max_ht->mh_format_err); 1350 pos += scnprintf(buf + pos, bufsz - pos, 1351 fmt_table, "agg_crc32_good:", 1352 le32_to_cpu(ht->agg_crc32_good), 1353 accum_ht->agg_crc32_good, 1354 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1355 pos += scnprintf(buf + pos, bufsz - pos, 1356 fmt_table, "agg_mpdu_cnt:", 1357 le32_to_cpu(ht->agg_mpdu_cnt), 1358 accum_ht->agg_mpdu_cnt, 1359 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1360 pos += scnprintf(buf + pos, bufsz - pos, 1361 fmt_table, "agg_cnt:", 1362 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1363 delta_ht->agg_cnt, max_ht->agg_cnt); 1364 pos += scnprintf(buf + pos, bufsz - pos, 1365 fmt_table, "unsupport_mcs:", 1366 le32_to_cpu(ht->unsupport_mcs), 1367 accum_ht->unsupport_mcs, 1368 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1369 1370 spin_unlock_bh(&priv->statistics.lock); 1371 1372 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1373 kfree(buf); 1374 return ret; 1375} 1376 1377static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1378 char __user *user_buf, 1379 size_t count, loff_t *ppos) 1380{ 1381 struct iwl_priv *priv = file->private_data; 1382 int pos = 0; 1383 char *buf; 1384 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1385 ssize_t ret; 1386 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1387 1388 if (!iwl_is_alive(priv)) 1389 return -EAGAIN; 1390 1391 buf = kzalloc(bufsz, GFP_KERNEL); 1392 if (!buf) { 1393 IWL_ERR(priv, "Can not allocate Buffer\n"); 1394 return -ENOMEM; 1395 } 1396 1397 /* the statistic information display here is based on 1398 * the last statistics notification from uCode 1399 * might not reflect the current uCode activity 1400 */ 1401 spin_lock_bh(&priv->statistics.lock); 1402 1403 tx = &priv->statistics.tx; 1404 accum_tx = &priv->accum_stats.tx; 1405 delta_tx = &priv->delta_stats.tx; 1406 max_tx = &priv->max_delta_stats.tx; 1407 1408 pos += iwl_statistics_flag(priv, buf, bufsz); 1409 pos += scnprintf(buf + pos, bufsz - pos, 1410 fmt_header, "Statistics_Tx:"); 1411 pos += scnprintf(buf + pos, bufsz - pos, 1412 fmt_table, "preamble:", 1413 le32_to_cpu(tx->preamble_cnt), 1414 accum_tx->preamble_cnt, 1415 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1416 pos += scnprintf(buf + pos, bufsz - pos, 1417 fmt_table, "rx_detected_cnt:", 1418 le32_to_cpu(tx->rx_detected_cnt), 1419 accum_tx->rx_detected_cnt, 1420 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1421 pos += scnprintf(buf + pos, bufsz - pos, 1422 fmt_table, "bt_prio_defer_cnt:", 1423 le32_to_cpu(tx->bt_prio_defer_cnt), 1424 accum_tx->bt_prio_defer_cnt, 1425 delta_tx->bt_prio_defer_cnt, 1426 max_tx->bt_prio_defer_cnt); 1427 pos += scnprintf(buf + pos, bufsz - pos, 1428 fmt_table, "bt_prio_kill_cnt:", 1429 le32_to_cpu(tx->bt_prio_kill_cnt), 1430 accum_tx->bt_prio_kill_cnt, 1431 delta_tx->bt_prio_kill_cnt, 1432 max_tx->bt_prio_kill_cnt); 1433 pos += scnprintf(buf + pos, bufsz - pos, 1434 fmt_table, "few_bytes_cnt:", 1435 le32_to_cpu(tx->few_bytes_cnt), 1436 accum_tx->few_bytes_cnt, 1437 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1438 pos += scnprintf(buf + pos, bufsz - pos, 1439 fmt_table, "cts_timeout:", 1440 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1441 delta_tx->cts_timeout, max_tx->cts_timeout); 1442 pos += scnprintf(buf + pos, bufsz - pos, 1443 fmt_table, "ack_timeout:", 1444 le32_to_cpu(tx->ack_timeout), 1445 accum_tx->ack_timeout, 1446 delta_tx->ack_timeout, max_tx->ack_timeout); 1447 pos += scnprintf(buf + pos, bufsz - pos, 1448 fmt_table, "expected_ack_cnt:", 1449 le32_to_cpu(tx->expected_ack_cnt), 1450 accum_tx->expected_ack_cnt, 1451 delta_tx->expected_ack_cnt, 1452 max_tx->expected_ack_cnt); 1453 pos += scnprintf(buf + pos, bufsz - pos, 1454 fmt_table, "actual_ack_cnt:", 1455 le32_to_cpu(tx->actual_ack_cnt), 1456 accum_tx->actual_ack_cnt, 1457 delta_tx->actual_ack_cnt, 1458 max_tx->actual_ack_cnt); 1459 pos += scnprintf(buf + pos, bufsz - pos, 1460 fmt_table, "dump_msdu_cnt:", 1461 le32_to_cpu(tx->dump_msdu_cnt), 1462 accum_tx->dump_msdu_cnt, 1463 delta_tx->dump_msdu_cnt, 1464 max_tx->dump_msdu_cnt); 1465 pos += scnprintf(buf + pos, bufsz - pos, 1466 fmt_table, "abort_nxt_frame_mismatch:", 1467 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1468 accum_tx->burst_abort_next_frame_mismatch_cnt, 1469 delta_tx->burst_abort_next_frame_mismatch_cnt, 1470 max_tx->burst_abort_next_frame_mismatch_cnt); 1471 pos += scnprintf(buf + pos, bufsz - pos, 1472 fmt_table, "abort_missing_nxt_frame:", 1473 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1474 accum_tx->burst_abort_missing_next_frame_cnt, 1475 delta_tx->burst_abort_missing_next_frame_cnt, 1476 max_tx->burst_abort_missing_next_frame_cnt); 1477 pos += scnprintf(buf + pos, bufsz - pos, 1478 fmt_table, "cts_timeout_collision:", 1479 le32_to_cpu(tx->cts_timeout_collision), 1480 accum_tx->cts_timeout_collision, 1481 delta_tx->cts_timeout_collision, 1482 max_tx->cts_timeout_collision); 1483 pos += scnprintf(buf + pos, bufsz - pos, 1484 fmt_table, "ack_ba_timeout_collision:", 1485 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1486 accum_tx->ack_or_ba_timeout_collision, 1487 delta_tx->ack_or_ba_timeout_collision, 1488 max_tx->ack_or_ba_timeout_collision); 1489 pos += scnprintf(buf + pos, bufsz - pos, 1490 fmt_table, "agg ba_timeout:", 1491 le32_to_cpu(tx->agg.ba_timeout), 1492 accum_tx->agg.ba_timeout, 1493 delta_tx->agg.ba_timeout, 1494 max_tx->agg.ba_timeout); 1495 pos += scnprintf(buf + pos, bufsz - pos, 1496 fmt_table, "agg ba_resched_frames:", 1497 le32_to_cpu(tx->agg.ba_reschedule_frames), 1498 accum_tx->agg.ba_reschedule_frames, 1499 delta_tx->agg.ba_reschedule_frames, 1500 max_tx->agg.ba_reschedule_frames); 1501 pos += scnprintf(buf + pos, bufsz - pos, 1502 fmt_table, "agg scd_query_agg_frame:", 1503 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1504 accum_tx->agg.scd_query_agg_frame_cnt, 1505 delta_tx->agg.scd_query_agg_frame_cnt, 1506 max_tx->agg.scd_query_agg_frame_cnt); 1507 pos += scnprintf(buf + pos, bufsz - pos, 1508 fmt_table, "agg scd_query_no_agg:", 1509 le32_to_cpu(tx->agg.scd_query_no_agg), 1510 accum_tx->agg.scd_query_no_agg, 1511 delta_tx->agg.scd_query_no_agg, 1512 max_tx->agg.scd_query_no_agg); 1513 pos += scnprintf(buf + pos, bufsz - pos, 1514 fmt_table, "agg scd_query_agg:", 1515 le32_to_cpu(tx->agg.scd_query_agg), 1516 accum_tx->agg.scd_query_agg, 1517 delta_tx->agg.scd_query_agg, 1518 max_tx->agg.scd_query_agg); 1519 pos += scnprintf(buf + pos, bufsz - pos, 1520 fmt_table, "agg scd_query_mismatch:", 1521 le32_to_cpu(tx->agg.scd_query_mismatch), 1522 accum_tx->agg.scd_query_mismatch, 1523 delta_tx->agg.scd_query_mismatch, 1524 max_tx->agg.scd_query_mismatch); 1525 pos += scnprintf(buf + pos, bufsz - pos, 1526 fmt_table, "agg frame_not_ready:", 1527 le32_to_cpu(tx->agg.frame_not_ready), 1528 accum_tx->agg.frame_not_ready, 1529 delta_tx->agg.frame_not_ready, 1530 max_tx->agg.frame_not_ready); 1531 pos += scnprintf(buf + pos, bufsz - pos, 1532 fmt_table, "agg underrun:", 1533 le32_to_cpu(tx->agg.underrun), 1534 accum_tx->agg.underrun, 1535 delta_tx->agg.underrun, max_tx->agg.underrun); 1536 pos += scnprintf(buf + pos, bufsz - pos, 1537 fmt_table, "agg bt_prio_kill:", 1538 le32_to_cpu(tx->agg.bt_prio_kill), 1539 accum_tx->agg.bt_prio_kill, 1540 delta_tx->agg.bt_prio_kill, 1541 max_tx->agg.bt_prio_kill); 1542 pos += scnprintf(buf + pos, bufsz - pos, 1543 fmt_table, "agg rx_ba_rsp_cnt:", 1544 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1545 accum_tx->agg.rx_ba_rsp_cnt, 1546 delta_tx->agg.rx_ba_rsp_cnt, 1547 max_tx->agg.rx_ba_rsp_cnt); 1548 1549 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1550 pos += scnprintf(buf + pos, bufsz - pos, 1551 "tx power: (1/2 dB step)\n"); 1552 if ((hw_params(priv).valid_tx_ant & ANT_A) && 1553 tx->tx_power.ant_a) 1554 pos += scnprintf(buf + pos, bufsz - pos, 1555 fmt_hex, "antenna A:", 1556 tx->tx_power.ant_a); 1557 if ((hw_params(priv).valid_tx_ant & ANT_B) && 1558 tx->tx_power.ant_b) 1559 pos += scnprintf(buf + pos, bufsz - pos, 1560 fmt_hex, "antenna B:", 1561 tx->tx_power.ant_b); 1562 if ((hw_params(priv).valid_tx_ant & ANT_C) && 1563 tx->tx_power.ant_c) 1564 pos += scnprintf(buf + pos, bufsz - pos, 1565 fmt_hex, "antenna C:", 1566 tx->tx_power.ant_c); 1567 } 1568 1569 spin_unlock_bh(&priv->statistics.lock); 1570 1571 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1572 kfree(buf); 1573 return ret; 1574} 1575 1576static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1577 char __user *user_buf, 1578 size_t count, loff_t *ppos) 1579{ 1580 struct iwl_priv *priv = file->private_data; 1581 int pos = 0; 1582 char *buf; 1583 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1584 ssize_t ret; 1585 struct statistics_general_common *general, *accum_general; 1586 struct statistics_general_common *delta_general, *max_general; 1587 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1588 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1589 1590 if (!iwl_is_alive(priv)) 1591 return -EAGAIN; 1592 1593 buf = kzalloc(bufsz, GFP_KERNEL); 1594 if (!buf) { 1595 IWL_ERR(priv, "Can not allocate Buffer\n"); 1596 return -ENOMEM; 1597 } 1598 1599 /* the statistic information display here is based on 1600 * the last statistics notification from uCode 1601 * might not reflect the current uCode activity 1602 */ 1603 1604 spin_lock_bh(&priv->statistics.lock); 1605 1606 general = &priv->statistics.common; 1607 dbg = &priv->statistics.common.dbg; 1608 div = &priv->statistics.common.div; 1609 accum_general = &priv->accum_stats.common; 1610 accum_dbg = &priv->accum_stats.common.dbg; 1611 accum_div = &priv->accum_stats.common.div; 1612 delta_general = &priv->delta_stats.common; 1613 max_general = &priv->max_delta_stats.common; 1614 delta_dbg = &priv->delta_stats.common.dbg; 1615 max_dbg = &priv->max_delta_stats.common.dbg; 1616 delta_div = &priv->delta_stats.common.div; 1617 max_div = &priv->max_delta_stats.common.div; 1618 1619 pos += iwl_statistics_flag(priv, buf, bufsz); 1620 pos += scnprintf(buf + pos, bufsz - pos, 1621 fmt_header, "Statistics_General:"); 1622 pos += scnprintf(buf + pos, bufsz - pos, 1623 fmt_value, "temperature:", 1624 le32_to_cpu(general->temperature)); 1625 pos += scnprintf(buf + pos, bufsz - pos, 1626 fmt_value, "temperature_m:", 1627 le32_to_cpu(general->temperature_m)); 1628 pos += scnprintf(buf + pos, bufsz - pos, 1629 fmt_value, "ttl_timestamp:", 1630 le32_to_cpu(general->ttl_timestamp)); 1631 pos += scnprintf(buf + pos, bufsz - pos, 1632 fmt_table, "burst_check:", 1633 le32_to_cpu(dbg->burst_check), 1634 accum_dbg->burst_check, 1635 delta_dbg->burst_check, max_dbg->burst_check); 1636 pos += scnprintf(buf + pos, bufsz - pos, 1637 fmt_table, "burst_count:", 1638 le32_to_cpu(dbg->burst_count), 1639 accum_dbg->burst_count, 1640 delta_dbg->burst_count, max_dbg->burst_count); 1641 pos += scnprintf(buf + pos, bufsz - pos, 1642 fmt_table, "wait_for_silence_timeout_count:", 1643 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1644 accum_dbg->wait_for_silence_timeout_cnt, 1645 delta_dbg->wait_for_silence_timeout_cnt, 1646 max_dbg->wait_for_silence_timeout_cnt); 1647 pos += scnprintf(buf + pos, bufsz - pos, 1648 fmt_table, "sleep_time:", 1649 le32_to_cpu(general->sleep_time), 1650 accum_general->sleep_time, 1651 delta_general->sleep_time, max_general->sleep_time); 1652 pos += scnprintf(buf + pos, bufsz - pos, 1653 fmt_table, "slots_out:", 1654 le32_to_cpu(general->slots_out), 1655 accum_general->slots_out, 1656 delta_general->slots_out, max_general->slots_out); 1657 pos += scnprintf(buf + pos, bufsz - pos, 1658 fmt_table, "slots_idle:", 1659 le32_to_cpu(general->slots_idle), 1660 accum_general->slots_idle, 1661 delta_general->slots_idle, max_general->slots_idle); 1662 pos += scnprintf(buf + pos, bufsz - pos, 1663 fmt_table, "tx_on_a:", 1664 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1665 delta_div->tx_on_a, max_div->tx_on_a); 1666 pos += scnprintf(buf + pos, bufsz - pos, 1667 fmt_table, "tx_on_b:", 1668 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1669 delta_div->tx_on_b, max_div->tx_on_b); 1670 pos += scnprintf(buf + pos, bufsz - pos, 1671 fmt_table, "exec_time:", 1672 le32_to_cpu(div->exec_time), accum_div->exec_time, 1673 delta_div->exec_time, max_div->exec_time); 1674 pos += scnprintf(buf + pos, bufsz - pos, 1675 fmt_table, "probe_time:", 1676 le32_to_cpu(div->probe_time), accum_div->probe_time, 1677 delta_div->probe_time, max_div->probe_time); 1678 pos += scnprintf(buf + pos, bufsz - pos, 1679 fmt_table, "rx_enable_counter:", 1680 le32_to_cpu(general->rx_enable_counter), 1681 accum_general->rx_enable_counter, 1682 delta_general->rx_enable_counter, 1683 max_general->rx_enable_counter); 1684 pos += scnprintf(buf + pos, bufsz - pos, 1685 fmt_table, "num_of_sos_states:", 1686 le32_to_cpu(general->num_of_sos_states), 1687 accum_general->num_of_sos_states, 1688 delta_general->num_of_sos_states, 1689 max_general->num_of_sos_states); 1690 1691 spin_unlock_bh(&priv->statistics.lock); 1692 1693 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1694 kfree(buf); 1695 return ret; 1696} 1697 1698static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1699 char __user *user_buf, 1700 size_t count, loff_t *ppos) 1701{ 1702 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1703 int pos = 0; 1704 char *buf; 1705 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1706 ssize_t ret; 1707 struct statistics_bt_activity *bt, *accum_bt; 1708 1709 if (!iwl_is_alive(priv)) 1710 return -EAGAIN; 1711 1712 if (!priv->bt_enable_flag) 1713 return -EINVAL; 1714 1715 /* make request to uCode to retrieve statistics information */ 1716 mutex_lock(&priv->mutex); 1717 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1718 mutex_unlock(&priv->mutex); 1719 1720 if (ret) { 1721 IWL_ERR(priv, 1722 "Error sending statistics request: %zd\n", ret); 1723 return -EAGAIN; 1724 } 1725 buf = kzalloc(bufsz, GFP_KERNEL); 1726 if (!buf) { 1727 IWL_ERR(priv, "Can not allocate Buffer\n"); 1728 return -ENOMEM; 1729 } 1730 1731 /* 1732 * the statistic information display here is based on 1733 * the last statistics notification from uCode 1734 * might not reflect the current uCode activity 1735 */ 1736 1737 spin_lock_bh(&priv->statistics.lock); 1738 1739 bt = &priv->statistics.bt_activity; 1740 accum_bt = &priv->accum_stats.bt_activity; 1741 1742 pos += iwl_statistics_flag(priv, buf, bufsz); 1743 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1744 pos += scnprintf(buf + pos, bufsz - pos, 1745 "\t\t\tcurrent\t\t\taccumulative\n"); 1746 pos += scnprintf(buf + pos, bufsz - pos, 1747 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1748 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1749 accum_bt->hi_priority_tx_req_cnt); 1750 pos += scnprintf(buf + pos, bufsz - pos, 1751 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1752 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1753 accum_bt->hi_priority_tx_denied_cnt); 1754 pos += scnprintf(buf + pos, bufsz - pos, 1755 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1756 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1757 accum_bt->lo_priority_tx_req_cnt); 1758 pos += scnprintf(buf + pos, bufsz - pos, 1759 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1760 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1761 accum_bt->lo_priority_tx_denied_cnt); 1762 pos += scnprintf(buf + pos, bufsz - pos, 1763 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1764 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1765 accum_bt->hi_priority_rx_req_cnt); 1766 pos += scnprintf(buf + pos, bufsz - pos, 1767 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1768 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1769 accum_bt->hi_priority_rx_denied_cnt); 1770 pos += scnprintf(buf + pos, bufsz - pos, 1771 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1772 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1773 accum_bt->lo_priority_rx_req_cnt); 1774 pos += scnprintf(buf + pos, bufsz - pos, 1775 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1776 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1777 accum_bt->lo_priority_rx_denied_cnt); 1778 1779 pos += scnprintf(buf + pos, bufsz - pos, 1780 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1781 le32_to_cpu(priv->statistics.num_bt_kills), 1782 priv->statistics.accum_num_bt_kills); 1783 1784 spin_unlock_bh(&priv->statistics.lock); 1785 1786 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1787 kfree(buf); 1788 return ret; 1789} 1790 1791static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1792 char __user *user_buf, 1793 size_t count, loff_t *ppos) 1794{ 1795 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1796 int pos = 0; 1797 char *buf; 1798 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1799 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1800 ssize_t ret; 1801 1802 if (!iwl_is_alive(priv)) 1803 return -EAGAIN; 1804 1805 buf = kzalloc(bufsz, GFP_KERNEL); 1806 if (!buf) { 1807 IWL_ERR(priv, "Can not allocate Buffer\n"); 1808 return -ENOMEM; 1809 } 1810 1811 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1812 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1813 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1814 priv->reply_tx_stats.pp_delay); 1815 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1816 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1817 priv->reply_tx_stats.pp_few_bytes); 1818 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1819 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1820 priv->reply_tx_stats.pp_bt_prio); 1821 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1822 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1823 priv->reply_tx_stats.pp_quiet_period); 1824 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1825 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1826 priv->reply_tx_stats.pp_calc_ttak); 1827 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1828 iwl_get_tx_fail_reason( 1829 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1830 priv->reply_tx_stats.int_crossed_retry); 1831 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1832 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1833 priv->reply_tx_stats.short_limit); 1834 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1835 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1836 priv->reply_tx_stats.long_limit); 1837 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1838 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1839 priv->reply_tx_stats.fifo_underrun); 1840 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1841 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1842 priv->reply_tx_stats.drain_flow); 1843 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1844 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1845 priv->reply_tx_stats.rfkill_flush); 1846 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1847 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1848 priv->reply_tx_stats.life_expire); 1849 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1850 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1851 priv->reply_tx_stats.dest_ps); 1852 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1853 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1854 priv->reply_tx_stats.host_abort); 1855 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1856 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1857 priv->reply_tx_stats.pp_delay); 1858 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1859 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1860 priv->reply_tx_stats.sta_invalid); 1861 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1862 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1863 priv->reply_tx_stats.frag_drop); 1864 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1865 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1866 priv->reply_tx_stats.tid_disable); 1867 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1868 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1869 priv->reply_tx_stats.fifo_flush); 1870 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1871 iwl_get_tx_fail_reason( 1872 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1873 priv->reply_tx_stats.insuff_cf_poll); 1874 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1875 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1876 priv->reply_tx_stats.fail_hw_drop); 1877 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1878 iwl_get_tx_fail_reason( 1879 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1880 priv->reply_tx_stats.sta_color_mismatch); 1881 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1882 priv->reply_tx_stats.unknown); 1883 1884 pos += scnprintf(buf + pos, bufsz - pos, 1885 "\nStatistics_Agg_TX_Error:\n"); 1886 1887 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1888 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1889 priv->reply_agg_tx_stats.underrun); 1890 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1891 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1892 priv->reply_agg_tx_stats.bt_prio); 1893 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1894 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1895 priv->reply_agg_tx_stats.few_bytes); 1896 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1897 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1898 priv->reply_agg_tx_stats.abort); 1899 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1900 iwl_get_agg_tx_fail_reason( 1901 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1902 priv->reply_agg_tx_stats.last_sent_ttl); 1903 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1904 iwl_get_agg_tx_fail_reason( 1905 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1906 priv->reply_agg_tx_stats.last_sent_try); 1907 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1908 iwl_get_agg_tx_fail_reason( 1909 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1910 priv->reply_agg_tx_stats.last_sent_bt_kill); 1911 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1912 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1913 priv->reply_agg_tx_stats.scd_query); 1914 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1915 iwl_get_agg_tx_fail_reason( 1916 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1917 priv->reply_agg_tx_stats.bad_crc32); 1918 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1919 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1920 priv->reply_agg_tx_stats.response); 1921 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1922 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1923 priv->reply_agg_tx_stats.dump_tx); 1924 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1925 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1926 priv->reply_agg_tx_stats.delay_tx); 1927 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1928 priv->reply_agg_tx_stats.unknown); 1929 1930 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1931 kfree(buf); 1932 return ret; 1933} 1934 1935static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1936 char __user *user_buf, 1937 size_t count, loff_t *ppos) { 1938 1939 struct iwl_priv *priv = file->private_data; 1940 int pos = 0; 1941 int cnt = 0; 1942 char *buf; 1943 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1944 ssize_t ret; 1945 struct iwl_sensitivity_data *data; 1946 1947 data = &priv->sensitivity_data; 1948 buf = kzalloc(bufsz, GFP_KERNEL); 1949 if (!buf) { 1950 IWL_ERR(priv, "Can not allocate Buffer\n"); 1951 return -ENOMEM; 1952 } 1953 1954 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1955 data->auto_corr_ofdm); 1956 pos += scnprintf(buf + pos, bufsz - pos, 1957 "auto_corr_ofdm_mrc:\t\t %u\n", 1958 data->auto_corr_ofdm_mrc); 1959 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1960 data->auto_corr_ofdm_x1); 1961 pos += scnprintf(buf + pos, bufsz - pos, 1962 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1963 data->auto_corr_ofdm_mrc_x1); 1964 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1965 data->auto_corr_cck); 1966 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1967 data->auto_corr_cck_mrc); 1968 pos += scnprintf(buf + pos, bufsz - pos, 1969 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1970 data->last_bad_plcp_cnt_ofdm); 1971 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1972 data->last_fa_cnt_ofdm); 1973 pos += scnprintf(buf + pos, bufsz - pos, 1974 "last_bad_plcp_cnt_cck:\t\t %u\n", 1975 data->last_bad_plcp_cnt_cck); 1976 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1977 data->last_fa_cnt_cck); 1978 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1979 data->nrg_curr_state); 1980 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1981 data->nrg_prev_state); 1982 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1983 for (cnt = 0; cnt < 10; cnt++) { 1984 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1985 data->nrg_value[cnt]); 1986 } 1987 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1988 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1989 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1990 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1991 data->nrg_silence_rssi[cnt]); 1992 } 1993 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1994 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1995 data->nrg_silence_ref); 1996 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1997 data->nrg_energy_idx); 1998 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1999 data->nrg_silence_idx); 2000 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 2001 data->nrg_th_cck); 2002 pos += scnprintf(buf + pos, bufsz - pos, 2003 "nrg_auto_corr_silence_diff:\t %u\n", 2004 data->nrg_auto_corr_silence_diff); 2005 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 2006 data->num_in_cck_no_fa); 2007 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 2008 data->nrg_th_ofdm); 2009 2010 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2011 kfree(buf); 2012 return ret; 2013} 2014 2015 2016static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 2017 char __user *user_buf, 2018 size_t count, loff_t *ppos) { 2019 2020 struct iwl_priv *priv = file->private_data; 2021 int pos = 0; 2022 int cnt = 0; 2023 char *buf; 2024 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 2025 ssize_t ret; 2026 struct iwl_chain_noise_data *data; 2027 2028 data = &priv->chain_noise_data; 2029 buf = kzalloc(bufsz, GFP_KERNEL); 2030 if (!buf) { 2031 IWL_ERR(priv, "Can not allocate Buffer\n"); 2032 return -ENOMEM; 2033 } 2034 2035 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 2036 data->active_chains); 2037 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 2038 data->chain_noise_a); 2039 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 2040 data->chain_noise_b); 2041 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 2042 data->chain_noise_c); 2043 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 2044 data->chain_signal_a); 2045 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 2046 data->chain_signal_b); 2047 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 2048 data->chain_signal_c); 2049 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 2050 data->beacon_count); 2051 2052 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 2053 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2054 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2055 data->disconn_array[cnt]); 2056 } 2057 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2058 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 2059 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2060 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2061 data->delta_gain_code[cnt]); 2062 } 2063 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2064 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 2065 data->radio_write); 2066 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 2067 data->state); 2068 2069 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2070 kfree(buf); 2071 return ret; 2072} 2073 2074static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 2075 char __user *user_buf, 2076 size_t count, loff_t *ppos) 2077{ 2078 struct iwl_priv *priv = file->private_data; 2079 char buf[60]; 2080 int pos = 0; 2081 const size_t bufsz = sizeof(buf); 2082 u32 pwrsave_status; 2083 2084 pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) & 2085 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 2086 2087 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 2088 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 2089 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 2090 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 2091 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 2092 "error"); 2093 2094 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2095} 2096 2097static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 2098 const char __user *user_buf, 2099 size_t count, loff_t *ppos) 2100{ 2101 struct iwl_priv *priv = file->private_data; 2102 char buf[8]; 2103 int buf_size; 2104 int clear; 2105 2106 memset(buf, 0, sizeof(buf)); 2107 buf_size = min(count, sizeof(buf) - 1); 2108 if (copy_from_user(buf, user_buf, buf_size)) 2109 return -EFAULT; 2110 if (sscanf(buf, "%d", &clear) != 1) 2111 return -EFAULT; 2112 2113 /* make request to uCode to retrieve statistics information */ 2114 mutex_lock(&priv->mutex); 2115 iwl_send_statistics_request(priv, CMD_SYNC, true); 2116 mutex_unlock(&priv->mutex); 2117 2118 return count; 2119} 2120 2121static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 2122 char __user *user_buf, 2123 size_t count, loff_t *ppos) { 2124 2125 struct iwl_priv *priv = file->private_data; 2126 int pos = 0; 2127 char buf[128]; 2128 const size_t bufsz = sizeof(buf); 2129 2130 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 2131 priv->event_log.ucode_trace ? "On" : "Off"); 2132 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 2133 priv->event_log.non_wraps_count); 2134 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 2135 priv->event_log.wraps_once_count); 2136 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 2137 priv->event_log.wraps_more_count); 2138 2139 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2140} 2141 2142static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 2143 const char __user *user_buf, 2144 size_t count, loff_t *ppos) 2145{ 2146 struct iwl_priv *priv = file->private_data; 2147 char buf[8]; 2148 int buf_size; 2149 int trace; 2150 2151 memset(buf, 0, sizeof(buf)); 2152 buf_size = min(count, sizeof(buf) - 1); 2153 if (copy_from_user(buf, user_buf, buf_size)) 2154 return -EFAULT; 2155 if (sscanf(buf, "%d", &trace) != 1) 2156 return -EFAULT; 2157 2158 if (trace) { 2159 priv->event_log.ucode_trace = true; 2160 if (iwl_is_alive(priv)) { 2161 /* start collecting data now */ 2162 mod_timer(&priv->ucode_trace, jiffies); 2163 } 2164 } else { 2165 priv->event_log.ucode_trace = false; 2166 del_timer_sync(&priv->ucode_trace); 2167 } 2168 2169 return count; 2170} 2171 2172static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 2173 char __user *user_buf, 2174 size_t count, loff_t *ppos) { 2175 2176 struct iwl_priv *priv = file->private_data; 2177 int len = 0; 2178 char buf[20]; 2179 2180 len = sprintf(buf, "0x%04X\n", 2181 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 2182 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2183} 2184 2185static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 2186 char __user *user_buf, 2187 size_t count, loff_t *ppos) { 2188 2189 struct iwl_priv *priv = file->private_data; 2190 int len = 0; 2191 char buf[20]; 2192 2193 len = sprintf(buf, "0x%04X\n", 2194 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 2195 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2196} 2197 2198static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 2199 char __user *user_buf, 2200 size_t count, loff_t *ppos) { 2201 2202 struct iwl_priv *priv = file->private_data; 2203 int pos = 0; 2204 char buf[12]; 2205 const size_t bufsz = sizeof(buf); 2206 2207 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 2208 priv->missed_beacon_threshold); 2209 2210 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2211} 2212 2213static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 2214 const char __user *user_buf, 2215 size_t count, loff_t *ppos) 2216{ 2217 struct iwl_priv *priv = file->private_data; 2218 char buf[8]; 2219 int buf_size; 2220 int missed; 2221 2222 memset(buf, 0, sizeof(buf)); 2223 buf_size = min(count, sizeof(buf) - 1); 2224 if (copy_from_user(buf, user_buf, buf_size)) 2225 return -EFAULT; 2226 if (sscanf(buf, "%d", &missed) != 1) 2227 return -EINVAL; 2228 2229 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 2230 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 2231 priv->missed_beacon_threshold = 2232 IWL_MISSED_BEACON_THRESHOLD_DEF; 2233 else 2234 priv->missed_beacon_threshold = missed; 2235 2236 return count; 2237} 2238 2239static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 2240 char __user *user_buf, 2241 size_t count, loff_t *ppos) { 2242 2243 struct iwl_priv *priv = file->private_data; 2244 int pos = 0; 2245 char buf[12]; 2246 const size_t bufsz = sizeof(buf); 2247 2248 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2249 priv->plcp_delta_threshold); 2250 2251 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2252} 2253 2254static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2255 const char __user *user_buf, 2256 size_t count, loff_t *ppos) { 2257 2258 struct iwl_priv *priv = file->private_data; 2259 char buf[8]; 2260 int buf_size; 2261 int plcp; 2262 2263 memset(buf, 0, sizeof(buf)); 2264 buf_size = min(count, sizeof(buf) - 1); 2265 if (copy_from_user(buf, user_buf, buf_size)) 2266 return -EFAULT; 2267 if (sscanf(buf, "%d", &plcp) != 1) 2268 return -EINVAL; 2269 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2270 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2271 priv->plcp_delta_threshold = 2272 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 2273 else 2274 priv->plcp_delta_threshold = plcp; 2275 return count; 2276} 2277 2278static ssize_t iwl_dbgfs_force_reset_read(struct file *file, 2279 char __user *user_buf, 2280 size_t count, loff_t *ppos) 2281{ 2282 struct iwl_priv *priv = file->private_data; 2283 int i, pos = 0; 2284 char buf[300]; 2285 const size_t bufsz = sizeof(buf); 2286 struct iwl_force_reset *force_reset; 2287 2288 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { 2289 force_reset = &priv->force_reset[i]; 2290 pos += scnprintf(buf + pos, bufsz - pos, 2291 "Force reset method %d\n", i); 2292 pos += scnprintf(buf + pos, bufsz - pos, 2293 "\tnumber of reset request: %d\n", 2294 force_reset->reset_request_count); 2295 pos += scnprintf(buf + pos, bufsz - pos, 2296 "\tnumber of reset request success: %d\n", 2297 force_reset->reset_success_count); 2298 pos += scnprintf(buf + pos, bufsz - pos, 2299 "\tnumber of reset request reject: %d\n", 2300 force_reset->reset_reject_count); 2301 pos += scnprintf(buf + pos, bufsz - pos, 2302 "\treset duration: %lu\n", 2303 force_reset->reset_duration); 2304 } 2305 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2306} 2307 2308static ssize_t iwl_dbgfs_force_reset_write(struct file *file, 2309 const char __user *user_buf, 2310 size_t count, loff_t *ppos) { 2311 2312 struct iwl_priv *priv = file->private_data; 2313 char buf[8]; 2314 int buf_size; 2315 int reset, ret; 2316 2317 memset(buf, 0, sizeof(buf)); 2318 buf_size = min(count, sizeof(buf) - 1); 2319 if (copy_from_user(buf, user_buf, buf_size)) 2320 return -EFAULT; 2321 if (sscanf(buf, "%d", &reset) != 1) 2322 return -EINVAL; 2323 switch (reset) { 2324 case IWL_RF_RESET: 2325 case IWL_FW_RESET: 2326 ret = iwl_force_reset(priv, reset, true); 2327 break; 2328 default: 2329 return -EINVAL; 2330 } 2331 return ret ? ret : count; 2332} 2333 2334static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2335 const char __user *user_buf, 2336 size_t count, loff_t *ppos) { 2337 2338 struct iwl_priv *priv = file->private_data; 2339 char buf[8]; 2340 int buf_size; 2341 int flush; 2342 2343 memset(buf, 0, sizeof(buf)); 2344 buf_size = min(count, sizeof(buf) - 1); 2345 if (copy_from_user(buf, user_buf, buf_size)) 2346 return -EFAULT; 2347 if (sscanf(buf, "%d", &flush) != 1) 2348 return -EINVAL; 2349 2350 if (iwl_is_rfkill(priv)) 2351 return -EFAULT; 2352 2353 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); 2354 2355 return count; 2356} 2357 2358static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file, 2359 const char __user *user_buf, 2360 size_t count, loff_t *ppos) 2361{ 2362 struct iwl_priv *priv = file->private_data; 2363 char buf[8]; 2364 int buf_size; 2365 int timeout; 2366 2367 memset(buf, 0, sizeof(buf)); 2368 buf_size = min(count, sizeof(buf) - 1); 2369 if (copy_from_user(buf, user_buf, buf_size)) 2370 return -EFAULT; 2371 if (sscanf(buf, "%d", &timeout) != 1) 2372 return -EINVAL; 2373 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT) 2374 timeout = IWL_DEF_WD_TIMEOUT; 2375 2376 hw_params(priv).wd_timeout = timeout; 2377 iwl_setup_watchdog(priv); 2378 return count; 2379} 2380 2381static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2382 char __user *user_buf, 2383 size_t count, loff_t *ppos) { 2384 2385 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2386 int pos = 0; 2387 char buf[200]; 2388 const size_t bufsz = sizeof(buf); 2389 2390 if (!priv->bt_enable_flag) { 2391 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2392 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2393 } 2394 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2395 priv->bt_enable_flag); 2396 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2397 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2398 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2399 "last traffic notif: %d\n", 2400 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2401 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2402 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2403 priv->bt_ch_announce, priv->kill_ack_mask, 2404 priv->kill_cts_mask); 2405 2406 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2407 switch (priv->bt_traffic_load) { 2408 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2409 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2410 break; 2411 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2412 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2413 break; 2414 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2415 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2416 break; 2417 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2418 default: 2419 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2420 break; 2421 } 2422 2423 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2424} 2425 2426static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2427 char __user *user_buf, 2428 size_t count, loff_t *ppos) 2429{ 2430 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2431 2432 int pos = 0; 2433 char buf[40]; 2434 const size_t bufsz = sizeof(buf); 2435 2436 if (cfg(priv)->ht_params) 2437 pos += scnprintf(buf + pos, bufsz - pos, 2438 "use %s for aggregation\n", 2439 (hw_params(priv).use_rts_for_aggregation) ? 2440 "rts/cts" : "cts-to-self"); 2441 else 2442 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2443 2444 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2445} 2446 2447static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2448 const char __user *user_buf, 2449 size_t count, loff_t *ppos) { 2450 2451 struct iwl_priv *priv = file->private_data; 2452 char buf[8]; 2453 int buf_size; 2454 int rts; 2455 2456 if (!cfg(priv)->ht_params) 2457 return -EINVAL; 2458 2459 memset(buf, 0, sizeof(buf)); 2460 buf_size = min(count, sizeof(buf) - 1); 2461 if (copy_from_user(buf, user_buf, buf_size)) 2462 return -EFAULT; 2463 if (sscanf(buf, "%d", &rts) != 1) 2464 return -EINVAL; 2465 if (rts) 2466 hw_params(priv).use_rts_for_aggregation = true; 2467 else 2468 hw_params(priv).use_rts_for_aggregation = false; 2469 return count; 2470} 2471 2472static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2473 const char __user *user_buf, 2474 size_t count, loff_t *ppos) 2475{ 2476 struct iwl_priv *priv = file->private_data; 2477 char buf[8]; 2478 int buf_size; 2479 2480 memset(buf, 0, sizeof(buf)); 2481 buf_size = min(count, sizeof(buf) - 1); 2482 if (copy_from_user(buf, user_buf, buf_size)) 2483 return -EFAULT; 2484 2485 iwl_cmd_echo_test(priv); 2486 return count; 2487} 2488 2489DEBUGFS_READ_FILE_OPS(rx_statistics); 2490DEBUGFS_READ_FILE_OPS(tx_statistics); 2491DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 2492DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2493DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2494DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2495DEBUGFS_READ_FILE_OPS(sensitivity); 2496DEBUGFS_READ_FILE_OPS(chain_noise); 2497DEBUGFS_READ_FILE_OPS(power_save_status); 2498DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2499DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 2500DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2501DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2502DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2503DEBUGFS_READ_WRITE_FILE_OPS(force_reset); 2504DEBUGFS_READ_FILE_OPS(rxon_flags); 2505DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2506DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2507DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2508DEBUGFS_WRITE_FILE_OPS(wd_timeout); 2509DEBUGFS_READ_FILE_OPS(bt_traffic); 2510DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2511DEBUGFS_READ_FILE_OPS(reply_tx_error); 2512DEBUGFS_WRITE_FILE_OPS(echo_test); 2513 2514/* 2515 * Create the debugfs files and directories 2516 * 2517 */ 2518int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 2519{ 2520 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 2521 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; 2522 2523 dir_drv = debugfs_create_dir(name, phyd); 2524 if (!dir_drv) 2525 return -ENOMEM; 2526 2527 priv->debugfs_dir = dir_drv; 2528 2529 dir_data = debugfs_create_dir("data", dir_drv); 2530 if (!dir_data) 2531 goto err; 2532 dir_rf = debugfs_create_dir("rf", dir_drv); 2533 if (!dir_rf) 2534 goto err; 2535 dir_debug = debugfs_create_dir("debug", dir_drv); 2536 if (!dir_debug) 2537 goto err; 2538 2539 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2540 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2541 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR); 2542 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2543 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2544 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2545 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR); 2546 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2547 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2548 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2549 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2550 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2551 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR); 2552 2553 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); 2554 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); 2555 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); 2556 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2557 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2558 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); 2559 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2560 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2561 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); 2562 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2563 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2564 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2565 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); 2566 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR); 2567 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2568 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2569 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2570 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR); 2571 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR); 2572 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); 2573 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); 2574 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); 2575 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); 2576 if (iwl_advanced_bt_coexist(priv)) 2577 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); 2578 2579 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, 2580 &priv->disable_sens_cal); 2581 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, 2582 &priv->disable_chain_noise_cal); 2583 2584 if (iwl_trans_dbgfs_register(trans(priv), dir_debug)) 2585 goto err; 2586 return 0; 2587 2588err: 2589 IWL_ERR(priv, "Can't create the debugfs directory\n"); 2590 iwl_dbgfs_unregister(priv); 2591 return -ENOMEM; 2592} 2593 2594/** 2595 * Remove the debugfs files and directories 2596 * 2597 */ 2598void iwl_dbgfs_unregister(struct iwl_priv *priv) 2599{ 2600 if (!priv->debugfs_dir) 2601 return; 2602 2603 debugfs_remove_recursive(priv->debugfs_dir); 2604 priv->debugfs_dir = NULL; 2605} 2606