iwl-debugfs.c revision a8bceb392a739321ec20d03a91a86ebdde9c07bb
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#include "iwl-wifi.h" 44 45/* create and remove of files */ 46#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 47 if (!debugfs_create_file(#name, mode, parent, priv, \ 48 &iwl_dbgfs_##name##_ops)) \ 49 goto err; \ 50} while (0) 51 52#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 53 struct dentry *__tmp; \ 54 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 55 parent, ptr); \ 56 if (IS_ERR(__tmp) || !__tmp) \ 57 goto err; \ 58} while (0) 59 60#define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 61 struct dentry *__tmp; \ 62 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ 63 parent, ptr); \ 64 if (IS_ERR(__tmp) || !__tmp) \ 65 goto err; \ 66} while (0) 67 68#define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \ 69 struct dentry *__tmp; \ 70 __tmp = debugfs_create_u32(#name, mode, \ 71 parent, ptr); \ 72 if (IS_ERR(__tmp) || !__tmp) \ 73 goto err; \ 74} while (0) 75 76/* file operation */ 77#define DEBUGFS_READ_FUNC(name) \ 78static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ 79 char __user *user_buf, \ 80 size_t count, loff_t *ppos); 81 82#define DEBUGFS_WRITE_FUNC(name) \ 83static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ 84 const char __user *user_buf, \ 85 size_t count, loff_t *ppos); 86 87 88static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) 89{ 90 file->private_data = inode->i_private; 91 return 0; 92} 93 94#define DEBUGFS_READ_FILE_OPS(name) \ 95 DEBUGFS_READ_FUNC(name); \ 96static const struct file_operations iwl_dbgfs_##name##_ops = { \ 97 .read = iwl_dbgfs_##name##_read, \ 98 .open = iwl_dbgfs_open_file_generic, \ 99 .llseek = generic_file_llseek, \ 100}; 101 102#define DEBUGFS_WRITE_FILE_OPS(name) \ 103 DEBUGFS_WRITE_FUNC(name); \ 104static const struct file_operations iwl_dbgfs_##name##_ops = { \ 105 .write = iwl_dbgfs_##name##_write, \ 106 .open = iwl_dbgfs_open_file_generic, \ 107 .llseek = generic_file_llseek, \ 108}; 109 110 111#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 112 DEBUGFS_READ_FUNC(name); \ 113 DEBUGFS_WRITE_FUNC(name); \ 114static const struct file_operations iwl_dbgfs_##name##_ops = { \ 115 .write = iwl_dbgfs_##name##_write, \ 116 .read = iwl_dbgfs_##name##_read, \ 117 .open = iwl_dbgfs_open_file_generic, \ 118 .llseek = generic_file_llseek, \ 119}; 120 121static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, 122 char __user *user_buf, 123 size_t count, loff_t *ppos) { 124 125 struct iwl_priv *priv = file->private_data; 126 char *buf; 127 int pos = 0; 128 129 int cnt; 130 ssize_t ret; 131 const size_t bufsz = 100 + 132 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 133 buf = kzalloc(bufsz, GFP_KERNEL); 134 if (!buf) 135 return -ENOMEM; 136 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 137 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 138 pos += scnprintf(buf + pos, bufsz - pos, 139 "\t%25s\t\t: %u\n", 140 get_mgmt_string(cnt), 141 priv->tx_stats.mgmt[cnt]); 142 } 143 pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); 144 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 145 pos += scnprintf(buf + pos, bufsz - pos, 146 "\t%25s\t\t: %u\n", 147 get_ctrl_string(cnt), 148 priv->tx_stats.ctrl[cnt]); 149 } 150 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 151 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 152 priv->tx_stats.data_cnt); 153 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 154 priv->tx_stats.data_bytes); 155 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 156 kfree(buf); 157 return ret; 158} 159 160static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, 161 const char __user *user_buf, 162 size_t count, loff_t *ppos) 163{ 164 struct iwl_priv *priv = file->private_data; 165 u32 clear_flag; 166 char buf[8]; 167 int buf_size; 168 169 memset(buf, 0, sizeof(buf)); 170 buf_size = min(count, sizeof(buf) - 1); 171 if (copy_from_user(buf, user_buf, buf_size)) 172 return -EFAULT; 173 if (sscanf(buf, "%x", &clear_flag) != 1) 174 return -EFAULT; 175 iwl_clear_traffic_stats(priv); 176 177 return count; 178} 179 180static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, 181 char __user *user_buf, 182 size_t count, loff_t *ppos) { 183 184 struct iwl_priv *priv = file->private_data; 185 char *buf; 186 int pos = 0; 187 int cnt; 188 ssize_t ret; 189 const size_t bufsz = 100 + 190 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 191 buf = kzalloc(bufsz, GFP_KERNEL); 192 if (!buf) 193 return -ENOMEM; 194 195 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 196 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 197 pos += scnprintf(buf + pos, bufsz - pos, 198 "\t%25s\t\t: %u\n", 199 get_mgmt_string(cnt), 200 priv->rx_stats.mgmt[cnt]); 201 } 202 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); 203 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 204 pos += scnprintf(buf + pos, bufsz - pos, 205 "\t%25s\t\t: %u\n", 206 get_ctrl_string(cnt), 207 priv->rx_stats.ctrl[cnt]); 208 } 209 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 210 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 211 priv->rx_stats.data_cnt); 212 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 213 priv->rx_stats.data_bytes); 214 215 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 216 kfree(buf); 217 return ret; 218} 219 220static ssize_t iwl_dbgfs_sram_read(struct file *file, 221 char __user *user_buf, 222 size_t count, loff_t *ppos) 223{ 224 u32 val = 0; 225 char *buf; 226 ssize_t ret; 227 int i = 0; 228 bool device_format = false; 229 int offset = 0; 230 int len = 0; 231 int pos = 0; 232 int sram; 233 struct iwl_priv *priv = file->private_data; 234 size_t bufsz; 235 236 /* default is to dump the entire data segment */ 237 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 238 struct iwl_nic *nic = nic(priv); 239 priv->dbgfs_sram_offset = 0x800000; 240 if (nic->shrd->ucode_type == IWL_UCODE_INIT) 241 priv->dbgfs_sram_len = nic->fw.ucode_init.data.len; 242 else 243 priv->dbgfs_sram_len = nic->fw.ucode_rt.data.len; 244 } 245 len = priv->dbgfs_sram_len; 246 247 if (len == -4) { 248 device_format = true; 249 len = 4; 250 } 251 252 bufsz = 50 + len * 4; 253 buf = kmalloc(bufsz, GFP_KERNEL); 254 if (!buf) 255 return -ENOMEM; 256 257 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 258 len); 259 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 260 priv->dbgfs_sram_offset); 261 262 /* adjust sram address since reads are only on even u32 boundaries */ 263 offset = priv->dbgfs_sram_offset & 0x3; 264 sram = priv->dbgfs_sram_offset & ~0x3; 265 266 /* read the first u32 from sram */ 267 val = iwl_read_targ_mem(trans(priv), sram); 268 269 for (; len; len--) { 270 /* put the address at the start of every line */ 271 if (i == 0) 272 pos += scnprintf(buf + pos, bufsz - pos, 273 "%08X: ", sram + offset); 274 275 if (device_format) 276 pos += scnprintf(buf + pos, bufsz - pos, 277 "%02x", (val >> (8 * (3 - offset))) & 0xff); 278 else 279 pos += scnprintf(buf + pos, bufsz - pos, 280 "%02x ", (val >> (8 * offset)) & 0xff); 281 282 /* if all bytes processed, read the next u32 from sram */ 283 if (++offset == 4) { 284 sram += 4; 285 offset = 0; 286 val = iwl_read_targ_mem(trans(priv), sram); 287 } 288 289 /* put in extra spaces and split lines for human readability */ 290 if (++i == 16) { 291 i = 0; 292 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 293 } else if (!(i & 7)) { 294 pos += scnprintf(buf + pos, bufsz - pos, " "); 295 } else if (!(i & 3)) { 296 pos += scnprintf(buf + pos, bufsz - pos, " "); 297 } 298 } 299 if (i) 300 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 301 302 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 303 kfree(buf); 304 return ret; 305} 306 307static ssize_t iwl_dbgfs_sram_write(struct file *file, 308 const char __user *user_buf, 309 size_t count, loff_t *ppos) 310{ 311 struct iwl_priv *priv = file->private_data; 312 char buf[64]; 313 int buf_size; 314 u32 offset, len; 315 316 memset(buf, 0, sizeof(buf)); 317 buf_size = min(count, sizeof(buf) - 1); 318 if (copy_from_user(buf, user_buf, buf_size)) 319 return -EFAULT; 320 321 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 322 priv->dbgfs_sram_offset = offset; 323 priv->dbgfs_sram_len = len; 324 } else if (sscanf(buf, "%x", &offset) == 1) { 325 priv->dbgfs_sram_offset = offset; 326 priv->dbgfs_sram_len = -4; 327 } else { 328 priv->dbgfs_sram_offset = 0; 329 priv->dbgfs_sram_len = 0; 330 } 331 332 return count; 333} 334 335static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 336 char __user *user_buf, 337 size_t count, loff_t *ppos) 338{ 339 struct iwl_priv *priv = file->private_data; 340 341 if (!priv->wowlan_sram) 342 return -ENODATA; 343 344 return simple_read_from_buffer(user_buf, count, ppos, 345 priv->wowlan_sram, 346 nic(priv)->fw.ucode_wowlan.data.len); 347} 348static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 349 size_t count, loff_t *ppos) 350{ 351 struct iwl_priv *priv = file->private_data; 352 struct iwl_station_entry *station; 353 struct iwl_tid_data *tid_data; 354 char *buf; 355 int i, j, pos = 0; 356 ssize_t ret; 357 /* Add 30 for initial string */ 358 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 359 360 buf = kmalloc(bufsz, GFP_KERNEL); 361 if (!buf) 362 return -ENOMEM; 363 364 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 365 priv->num_stations); 366 367 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 368 station = &priv->stations[i]; 369 if (!station->used) 370 continue; 371 pos += scnprintf(buf + pos, bufsz - pos, 372 "station %d - addr: %pM, flags: %#x\n", 373 i, station->sta.sta.addr, 374 station->sta.station_flags_msk); 375 pos += scnprintf(buf + pos, bufsz - pos, 376 "TID\tseq_num\trate_n_flags\n"); 377 378 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 379 tid_data = &priv->tid_data[i][j]; 380 pos += scnprintf(buf + pos, bufsz - pos, 381 "%d:\t%#x\t%#x", 382 j, tid_data->seq_number, 383 tid_data->agg.rate_n_flags); 384 385 if (tid_data->agg.wait_for_ba) 386 pos += scnprintf(buf + pos, bufsz - pos, 387 " - waitforba"); 388 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 389 } 390 391 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 392 } 393 394 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 395 kfree(buf); 396 return ret; 397} 398 399static ssize_t iwl_dbgfs_nvm_read(struct file *file, 400 char __user *user_buf, 401 size_t count, 402 loff_t *ppos) 403{ 404 ssize_t ret; 405 struct iwl_priv *priv = file->private_data; 406 int pos = 0, ofs = 0, buf_size = 0; 407 const u8 *ptr; 408 char *buf; 409 u16 eeprom_ver; 410 size_t eeprom_len = cfg(priv)->base_params->eeprom_size; 411 buf_size = 4 * eeprom_len + 256; 412 413 if (eeprom_len % 16) { 414 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 415 return -ENODATA; 416 } 417 418 ptr = priv->shrd->eeprom; 419 if (!ptr) { 420 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 421 return -ENOMEM; 422 } 423 424 /* 4 characters for byte 0xYY */ 425 buf = kzalloc(buf_size, GFP_KERNEL); 426 if (!buf) { 427 IWL_ERR(priv, "Can not allocate Buffer\n"); 428 return -ENOMEM; 429 } 430 eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION); 431 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 432 "version: 0x%x\n", 433 (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) 434 ? "OTP" : "EEPROM", eeprom_ver); 435 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 436 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 437 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 438 buf_size - pos, 0); 439 pos += strlen(buf + pos); 440 if (buf_size - pos > 0) 441 buf[pos++] = '\n'; 442 } 443 444 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 445 kfree(buf); 446 return ret; 447} 448 449static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 450 size_t count, loff_t *ppos) 451{ 452 struct iwl_priv *priv = file->private_data; 453 struct ieee80211_channel *channels = NULL; 454 const struct ieee80211_supported_band *supp_band = NULL; 455 int pos = 0, i, bufsz = PAGE_SIZE; 456 char *buf; 457 ssize_t ret; 458 459 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)) 460 return -EAGAIN; 461 462 buf = kzalloc(bufsz, GFP_KERNEL); 463 if (!buf) { 464 IWL_ERR(priv, "Can not allocate Buffer\n"); 465 return -ENOMEM; 466 } 467 468 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 469 if (supp_band) { 470 channels = supp_band->channels; 471 472 pos += scnprintf(buf + pos, bufsz - pos, 473 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 474 supp_band->n_channels); 475 476 for (i = 0; i < supp_band->n_channels; i++) 477 pos += scnprintf(buf + pos, bufsz - pos, 478 "%d: %ddBm: BSS%s%s, %s.\n", 479 channels[i].hw_value, 480 channels[i].max_power, 481 channels[i].flags & IEEE80211_CHAN_RADAR ? 482 " (IEEE 802.11h required)" : "", 483 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 484 || (channels[i].flags & 485 IEEE80211_CHAN_RADAR)) ? "" : 486 ", IBSS", 487 channels[i].flags & 488 IEEE80211_CHAN_PASSIVE_SCAN ? 489 "passive only" : "active/passive"); 490 } 491 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 492 if (supp_band) { 493 channels = supp_band->channels; 494 495 pos += scnprintf(buf + pos, bufsz - pos, 496 "Displaying %d channels in 5.2GHz band (802.11a)\n", 497 supp_band->n_channels); 498 499 for (i = 0; i < supp_band->n_channels; i++) 500 pos += scnprintf(buf + pos, bufsz - pos, 501 "%d: %ddBm: BSS%s%s, %s.\n", 502 channels[i].hw_value, 503 channels[i].max_power, 504 channels[i].flags & IEEE80211_CHAN_RADAR ? 505 " (IEEE 802.11h required)" : "", 506 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 507 || (channels[i].flags & 508 IEEE80211_CHAN_RADAR)) ? "" : 509 ", IBSS", 510 channels[i].flags & 511 IEEE80211_CHAN_PASSIVE_SCAN ? 512 "passive only" : "active/passive"); 513 } 514 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 515 kfree(buf); 516 return ret; 517} 518 519static ssize_t iwl_dbgfs_status_read(struct file *file, 520 char __user *user_buf, 521 size_t count, loff_t *ppos) { 522 523 struct iwl_priv *priv = file->private_data; 524 char buf[512]; 525 int pos = 0; 526 const size_t bufsz = sizeof(buf); 527 528 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 529 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status)); 530 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 531 test_bit(STATUS_INT_ENABLED, &priv->shrd->status)); 532 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 533 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); 534 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 535 test_bit(STATUS_CT_KILL, &priv->shrd->status)); 536 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 537 test_bit(STATUS_INIT, &priv->shrd->status)); 538 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 539 test_bit(STATUS_ALIVE, &priv->shrd->status)); 540 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 541 test_bit(STATUS_READY, &priv->shrd->status)); 542 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 543 test_bit(STATUS_TEMPERATURE, &priv->shrd->status)); 544 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 545 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)); 546 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 547 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)); 548 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 549 test_bit(STATUS_STATISTICS, &priv->shrd->status)); 550 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 551 test_bit(STATUS_SCANNING, &priv->shrd->status)); 552 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 553 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)); 554 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 555 test_bit(STATUS_SCAN_HW, &priv->shrd->status)); 556 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 557 test_bit(STATUS_POWER_PMI, &priv->shrd->status)); 558 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 559 test_bit(STATUS_FW_ERROR, &priv->shrd->status)); 560 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 561} 562 563static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 564 char __user *user_buf, 565 size_t count, loff_t *ppos) { 566 567 struct iwl_priv *priv = file->private_data; 568 569 int pos = 0; 570 int cnt = 0; 571 char *buf; 572 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 573 ssize_t ret; 574 575 buf = kzalloc(bufsz, GFP_KERNEL); 576 if (!buf) { 577 IWL_ERR(priv, "Can not allocate Buffer\n"); 578 return -ENOMEM; 579 } 580 581 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 582 if (priv->rx_handlers_stats[cnt] > 0) 583 pos += scnprintf(buf + pos, bufsz - pos, 584 "\tRx handler[%36s]:\t\t %u\n", 585 get_cmd_string(cnt), 586 priv->rx_handlers_stats[cnt]); 587 } 588 589 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 590 kfree(buf); 591 return ret; 592} 593 594static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 595 const char __user *user_buf, 596 size_t count, loff_t *ppos) 597{ 598 struct iwl_priv *priv = file->private_data; 599 600 char buf[8]; 601 int buf_size; 602 u32 reset_flag; 603 604 memset(buf, 0, sizeof(buf)); 605 buf_size = min(count, sizeof(buf) - 1); 606 if (copy_from_user(buf, user_buf, buf_size)) 607 return -EFAULT; 608 if (sscanf(buf, "%x", &reset_flag) != 1) 609 return -EFAULT; 610 if (reset_flag == 0) 611 memset(&priv->rx_handlers_stats[0], 0, 612 sizeof(priv->rx_handlers_stats)); 613 614 return count; 615} 616 617static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 618 size_t count, loff_t *ppos) 619{ 620 struct iwl_priv *priv = file->private_data; 621 struct iwl_rxon_context *ctx; 622 int pos = 0, i; 623 char buf[256 * NUM_IWL_RXON_CTX]; 624 const size_t bufsz = sizeof(buf); 625 626 for_each_context(priv, ctx) { 627 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 628 ctx->ctxid); 629 for (i = 0; i < AC_NUM; i++) { 630 pos += scnprintf(buf + pos, bufsz - pos, 631 "\tcw_min\tcw_max\taifsn\ttxop\n"); 632 pos += scnprintf(buf + pos, bufsz - pos, 633 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 634 ctx->qos_data.def_qos_parm.ac[i].cw_min, 635 ctx->qos_data.def_qos_parm.ac[i].cw_max, 636 ctx->qos_data.def_qos_parm.ac[i].aifsn, 637 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 638 } 639 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 640 } 641 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 642} 643 644static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 645 char __user *user_buf, 646 size_t count, loff_t *ppos) 647{ 648 struct iwl_priv *priv = file->private_data; 649 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 650 struct iwl_tt_restriction *restriction; 651 char buf[100]; 652 int pos = 0; 653 const size_t bufsz = sizeof(buf); 654 655 pos += scnprintf(buf + pos, bufsz - pos, 656 "Thermal Throttling Mode: %s\n", 657 tt->advanced_tt ? "Advance" : "Legacy"); 658 pos += scnprintf(buf + pos, bufsz - pos, 659 "Thermal Throttling State: %d\n", 660 tt->state); 661 if (tt->advanced_tt) { 662 restriction = tt->restriction + tt->state; 663 pos += scnprintf(buf + pos, bufsz - pos, 664 "Tx mode: %d\n", 665 restriction->tx_stream); 666 pos += scnprintf(buf + pos, bufsz - pos, 667 "Rx mode: %d\n", 668 restriction->rx_stream); 669 pos += scnprintf(buf + pos, bufsz - pos, 670 "HT mode: %d\n", 671 restriction->is_ht); 672 } 673 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 674} 675 676static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 677 const char __user *user_buf, 678 size_t count, loff_t *ppos) 679{ 680 struct iwl_priv *priv = file->private_data; 681 char buf[8]; 682 int buf_size; 683 int ht40; 684 685 memset(buf, 0, sizeof(buf)); 686 buf_size = min(count, sizeof(buf) - 1); 687 if (copy_from_user(buf, user_buf, buf_size)) 688 return -EFAULT; 689 if (sscanf(buf, "%d", &ht40) != 1) 690 return -EFAULT; 691 if (!iwl_is_any_associated(priv)) 692 priv->disable_ht40 = ht40 ? true : false; 693 else { 694 IWL_ERR(priv, "Sta associated with AP - " 695 "Change to 40MHz channel support is not allowed\n"); 696 return -EINVAL; 697 } 698 699 return count; 700} 701 702static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 703 char __user *user_buf, 704 size_t count, loff_t *ppos) 705{ 706 struct iwl_priv *priv = file->private_data; 707 char buf[100]; 708 int pos = 0; 709 const size_t bufsz = sizeof(buf); 710 711 pos += scnprintf(buf + pos, bufsz - pos, 712 "11n 40MHz Mode: %s\n", 713 priv->disable_ht40 ? "Disabled" : "Enabled"); 714 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 715} 716 717static ssize_t iwl_dbgfs_temperature_read(struct file *file, 718 char __user *user_buf, 719 size_t count, loff_t *ppos) 720{ 721 struct iwl_priv *priv = file->private_data; 722 char buf[8]; 723 int pos = 0; 724 const size_t bufsz = sizeof(buf); 725 726 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 727 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 728} 729 730 731static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 732 const char __user *user_buf, 733 size_t count, loff_t *ppos) 734{ 735 struct iwl_priv *priv = file->private_data; 736 char buf[8]; 737 int buf_size; 738 int value; 739 740 memset(buf, 0, sizeof(buf)); 741 buf_size = min(count, sizeof(buf) - 1); 742 if (copy_from_user(buf, user_buf, buf_size)) 743 return -EFAULT; 744 745 if (sscanf(buf, "%d", &value) != 1) 746 return -EINVAL; 747 748 /* 749 * Our users expect 0 to be "CAM", but 0 isn't actually 750 * valid here. However, let's not confuse them and present 751 * IWL_POWER_INDEX_1 as "1", not "0". 752 */ 753 if (value == 0) 754 return -EINVAL; 755 else if (value > 0) 756 value -= 1; 757 758 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 759 return -EINVAL; 760 761 if (!iwl_is_ready_rf(priv->shrd)) 762 return -EAGAIN; 763 764 priv->power_data.debug_sleep_level_override = value; 765 766 mutex_lock(&priv->shrd->mutex); 767 iwl_power_update_mode(priv, true); 768 mutex_unlock(&priv->shrd->mutex); 769 770 return count; 771} 772 773static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 774 char __user *user_buf, 775 size_t count, loff_t *ppos) 776{ 777 struct iwl_priv *priv = file->private_data; 778 char buf[10]; 779 int pos, value; 780 const size_t bufsz = sizeof(buf); 781 782 /* see the write function */ 783 value = priv->power_data.debug_sleep_level_override; 784 if (value >= 0) 785 value += 1; 786 787 pos = scnprintf(buf, bufsz, "%d\n", value); 788 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 789} 790 791static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 792 char __user *user_buf, 793 size_t count, loff_t *ppos) 794{ 795 struct iwl_priv *priv = file->private_data; 796 char buf[200]; 797 int pos = 0, i; 798 const size_t bufsz = sizeof(buf); 799 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 800 801 pos += scnprintf(buf + pos, bufsz - pos, 802 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 803 pos += scnprintf(buf + pos, bufsz - pos, 804 "RX/TX timeout: %d/%d usec\n", 805 le32_to_cpu(cmd->rx_data_timeout), 806 le32_to_cpu(cmd->tx_data_timeout)); 807 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 808 pos += scnprintf(buf + pos, bufsz - pos, 809 "sleep_interval[%d]: %d\n", i, 810 le32_to_cpu(cmd->sleep_interval[i])); 811 812 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 813} 814 815DEBUGFS_READ_WRITE_FILE_OPS(sram); 816DEBUGFS_READ_FILE_OPS(wowlan_sram); 817DEBUGFS_READ_FILE_OPS(nvm); 818DEBUGFS_READ_FILE_OPS(stations); 819DEBUGFS_READ_FILE_OPS(channels); 820DEBUGFS_READ_FILE_OPS(status); 821DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 822DEBUGFS_READ_FILE_OPS(qos); 823DEBUGFS_READ_FILE_OPS(thermal_throttling); 824DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 825DEBUGFS_READ_FILE_OPS(temperature); 826DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 827DEBUGFS_READ_FILE_OPS(current_sleep_command); 828 829static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 830 char __user *user_buf, 831 size_t count, loff_t *ppos) 832{ 833 struct iwl_priv *priv = file->private_data; 834 int pos = 0, ofs = 0; 835 int cnt = 0, entry; 836 837 char *buf; 838 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 839 (hw_params(priv).max_txq_num * 32 * 8) + 400; 840 const u8 *ptr; 841 ssize_t ret; 842 843 buf = kzalloc(bufsz, GFP_KERNEL); 844 if (!buf) { 845 IWL_ERR(priv, "Can not allocate buffer\n"); 846 return -ENOMEM; 847 } 848 if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) { 849 ptr = priv->tx_traffic; 850 pos += scnprintf(buf + pos, bufsz - pos, 851 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 852 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 853 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 854 entry++, ofs += 16) { 855 pos += scnprintf(buf + pos, bufsz - pos, 856 "0x%.4x ", ofs); 857 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 858 buf + pos, bufsz - pos, 0); 859 pos += strlen(buf + pos); 860 if (bufsz - pos > 0) 861 buf[pos++] = '\n'; 862 } 863 } 864 } 865 866 if (priv->rx_traffic && iwl_have_debug_level(IWL_DL_RX)) { 867 ptr = priv->rx_traffic; 868 pos += scnprintf(buf + pos, bufsz - pos, 869 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 870 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 871 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 872 entry++, ofs += 16) { 873 pos += scnprintf(buf + pos, bufsz - pos, 874 "0x%.4x ", ofs); 875 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 876 buf + pos, bufsz - pos, 0); 877 pos += strlen(buf + pos); 878 if (bufsz - pos > 0) 879 buf[pos++] = '\n'; 880 } 881 } 882 } 883 884 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 885 kfree(buf); 886 return ret; 887} 888 889static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 890 const char __user *user_buf, 891 size_t count, loff_t *ppos) 892{ 893 struct iwl_priv *priv = file->private_data; 894 char buf[8]; 895 int buf_size; 896 int traffic_log; 897 898 memset(buf, 0, sizeof(buf)); 899 buf_size = min(count, sizeof(buf) - 1); 900 if (copy_from_user(buf, user_buf, buf_size)) 901 return -EFAULT; 902 if (sscanf(buf, "%d", &traffic_log) != 1) 903 return -EFAULT; 904 if (traffic_log == 0) 905 iwl_reset_traffic_log(priv); 906 907 return count; 908} 909 910static const char *fmt_value = " %-30s %10u\n"; 911static const char *fmt_hex = " %-30s 0x%02X\n"; 912static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; 913static const char *fmt_header = 914 "%-32s current cumulative delta max\n"; 915 916static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 917{ 918 int p = 0; 919 u32 flag; 920 921 lockdep_assert_held(&priv->statistics.lock); 922 923 flag = le32_to_cpu(priv->statistics.flag); 924 925 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 926 if (flag & UCODE_STATISTICS_CLEAR_MSK) 927 p += scnprintf(buf + p, bufsz - p, 928 "\tStatistics have been cleared\n"); 929 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 930 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 931 ? "2.4 GHz" : "5.2 GHz"); 932 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 933 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 934 ? "enabled" : "disabled"); 935 936 return p; 937} 938 939static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 940 char __user *user_buf, 941 size_t count, loff_t *ppos) 942{ 943 struct iwl_priv *priv = file->private_data; 944 int pos = 0; 945 char *buf; 946 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 947 sizeof(struct statistics_rx_non_phy) * 40 + 948 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 949 ssize_t ret; 950 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 951 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 952 struct statistics_rx_non_phy *general, *accum_general; 953 struct statistics_rx_non_phy *delta_general, *max_general; 954 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 955 956 if (!iwl_is_alive(priv->shrd)) 957 return -EAGAIN; 958 959 buf = kzalloc(bufsz, GFP_KERNEL); 960 if (!buf) { 961 IWL_ERR(priv, "Can not allocate Buffer\n"); 962 return -ENOMEM; 963 } 964 965 /* 966 * the statistic information display here is based on 967 * the last statistics notification from uCode 968 * might not reflect the current uCode activity 969 */ 970 spin_lock_bh(&priv->statistics.lock); 971 ofdm = &priv->statistics.rx_ofdm; 972 cck = &priv->statistics.rx_cck; 973 general = &priv->statistics.rx_non_phy; 974 ht = &priv->statistics.rx_ofdm_ht; 975 accum_ofdm = &priv->accum_stats.rx_ofdm; 976 accum_cck = &priv->accum_stats.rx_cck; 977 accum_general = &priv->accum_stats.rx_non_phy; 978 accum_ht = &priv->accum_stats.rx_ofdm_ht; 979 delta_ofdm = &priv->delta_stats.rx_ofdm; 980 delta_cck = &priv->delta_stats.rx_cck; 981 delta_general = &priv->delta_stats.rx_non_phy; 982 delta_ht = &priv->delta_stats.rx_ofdm_ht; 983 max_ofdm = &priv->max_delta_stats.rx_ofdm; 984 max_cck = &priv->max_delta_stats.rx_cck; 985 max_general = &priv->max_delta_stats.rx_non_phy; 986 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 987 988 pos += iwl_statistics_flag(priv, buf, bufsz); 989 pos += scnprintf(buf + pos, bufsz - pos, 990 fmt_header, "Statistics_Rx - OFDM:"); 991 pos += scnprintf(buf + pos, bufsz - pos, 992 fmt_table, "ina_cnt:", 993 le32_to_cpu(ofdm->ina_cnt), 994 accum_ofdm->ina_cnt, 995 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 996 pos += scnprintf(buf + pos, bufsz - pos, 997 fmt_table, "fina_cnt:", 998 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 999 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 1000 pos += scnprintf(buf + pos, bufsz - pos, 1001 fmt_table, "plcp_err:", 1002 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 1003 delta_ofdm->plcp_err, max_ofdm->plcp_err); 1004 pos += scnprintf(buf + pos, bufsz - pos, 1005 fmt_table, "crc32_err:", 1006 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 1007 delta_ofdm->crc32_err, max_ofdm->crc32_err); 1008 pos += scnprintf(buf + pos, bufsz - pos, 1009 fmt_table, "overrun_err:", 1010 le32_to_cpu(ofdm->overrun_err), 1011 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 1012 max_ofdm->overrun_err); 1013 pos += scnprintf(buf + pos, bufsz - pos, 1014 fmt_table, "early_overrun_err:", 1015 le32_to_cpu(ofdm->early_overrun_err), 1016 accum_ofdm->early_overrun_err, 1017 delta_ofdm->early_overrun_err, 1018 max_ofdm->early_overrun_err); 1019 pos += scnprintf(buf + pos, bufsz - pos, 1020 fmt_table, "crc32_good:", 1021 le32_to_cpu(ofdm->crc32_good), 1022 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 1023 max_ofdm->crc32_good); 1024 pos += scnprintf(buf + pos, bufsz - pos, 1025 fmt_table, "false_alarm_cnt:", 1026 le32_to_cpu(ofdm->false_alarm_cnt), 1027 accum_ofdm->false_alarm_cnt, 1028 delta_ofdm->false_alarm_cnt, 1029 max_ofdm->false_alarm_cnt); 1030 pos += scnprintf(buf + pos, bufsz - pos, 1031 fmt_table, "fina_sync_err_cnt:", 1032 le32_to_cpu(ofdm->fina_sync_err_cnt), 1033 accum_ofdm->fina_sync_err_cnt, 1034 delta_ofdm->fina_sync_err_cnt, 1035 max_ofdm->fina_sync_err_cnt); 1036 pos += scnprintf(buf + pos, bufsz - pos, 1037 fmt_table, "sfd_timeout:", 1038 le32_to_cpu(ofdm->sfd_timeout), 1039 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 1040 max_ofdm->sfd_timeout); 1041 pos += scnprintf(buf + pos, bufsz - pos, 1042 fmt_table, "fina_timeout:", 1043 le32_to_cpu(ofdm->fina_timeout), 1044 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 1045 max_ofdm->fina_timeout); 1046 pos += scnprintf(buf + pos, bufsz - pos, 1047 fmt_table, "unresponded_rts:", 1048 le32_to_cpu(ofdm->unresponded_rts), 1049 accum_ofdm->unresponded_rts, 1050 delta_ofdm->unresponded_rts, 1051 max_ofdm->unresponded_rts); 1052 pos += scnprintf(buf + pos, bufsz - pos, 1053 fmt_table, "rxe_frame_lmt_ovrun:", 1054 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1055 accum_ofdm->rxe_frame_limit_overrun, 1056 delta_ofdm->rxe_frame_limit_overrun, 1057 max_ofdm->rxe_frame_limit_overrun); 1058 pos += scnprintf(buf + pos, bufsz - pos, 1059 fmt_table, "sent_ack_cnt:", 1060 le32_to_cpu(ofdm->sent_ack_cnt), 1061 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 1062 max_ofdm->sent_ack_cnt); 1063 pos += scnprintf(buf + pos, bufsz - pos, 1064 fmt_table, "sent_cts_cnt:", 1065 le32_to_cpu(ofdm->sent_cts_cnt), 1066 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 1067 max_ofdm->sent_cts_cnt); 1068 pos += scnprintf(buf + pos, bufsz - pos, 1069 fmt_table, "sent_ba_rsp_cnt:", 1070 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1071 accum_ofdm->sent_ba_rsp_cnt, 1072 delta_ofdm->sent_ba_rsp_cnt, 1073 max_ofdm->sent_ba_rsp_cnt); 1074 pos += scnprintf(buf + pos, bufsz - pos, 1075 fmt_table, "dsp_self_kill:", 1076 le32_to_cpu(ofdm->dsp_self_kill), 1077 accum_ofdm->dsp_self_kill, 1078 delta_ofdm->dsp_self_kill, 1079 max_ofdm->dsp_self_kill); 1080 pos += scnprintf(buf + pos, bufsz - pos, 1081 fmt_table, "mh_format_err:", 1082 le32_to_cpu(ofdm->mh_format_err), 1083 accum_ofdm->mh_format_err, 1084 delta_ofdm->mh_format_err, 1085 max_ofdm->mh_format_err); 1086 pos += scnprintf(buf + pos, bufsz - pos, 1087 fmt_table, "re_acq_main_rssi_sum:", 1088 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1089 accum_ofdm->re_acq_main_rssi_sum, 1090 delta_ofdm->re_acq_main_rssi_sum, 1091 max_ofdm->re_acq_main_rssi_sum); 1092 1093 pos += scnprintf(buf + pos, bufsz - pos, 1094 fmt_header, "Statistics_Rx - CCK:"); 1095 pos += scnprintf(buf + pos, bufsz - pos, 1096 fmt_table, "ina_cnt:", 1097 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 1098 delta_cck->ina_cnt, max_cck->ina_cnt); 1099 pos += scnprintf(buf + pos, bufsz - pos, 1100 fmt_table, "fina_cnt:", 1101 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 1102 delta_cck->fina_cnt, max_cck->fina_cnt); 1103 pos += scnprintf(buf + pos, bufsz - pos, 1104 fmt_table, "plcp_err:", 1105 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 1106 delta_cck->plcp_err, max_cck->plcp_err); 1107 pos += scnprintf(buf + pos, bufsz - pos, 1108 fmt_table, "crc32_err:", 1109 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 1110 delta_cck->crc32_err, max_cck->crc32_err); 1111 pos += scnprintf(buf + pos, bufsz - pos, 1112 fmt_table, "overrun_err:", 1113 le32_to_cpu(cck->overrun_err), 1114 accum_cck->overrun_err, delta_cck->overrun_err, 1115 max_cck->overrun_err); 1116 pos += scnprintf(buf + pos, bufsz - pos, 1117 fmt_table, "early_overrun_err:", 1118 le32_to_cpu(cck->early_overrun_err), 1119 accum_cck->early_overrun_err, 1120 delta_cck->early_overrun_err, 1121 max_cck->early_overrun_err); 1122 pos += scnprintf(buf + pos, bufsz - pos, 1123 fmt_table, "crc32_good:", 1124 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 1125 delta_cck->crc32_good, max_cck->crc32_good); 1126 pos += scnprintf(buf + pos, bufsz - pos, 1127 fmt_table, "false_alarm_cnt:", 1128 le32_to_cpu(cck->false_alarm_cnt), 1129 accum_cck->false_alarm_cnt, 1130 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 1131 pos += scnprintf(buf + pos, bufsz - pos, 1132 fmt_table, "fina_sync_err_cnt:", 1133 le32_to_cpu(cck->fina_sync_err_cnt), 1134 accum_cck->fina_sync_err_cnt, 1135 delta_cck->fina_sync_err_cnt, 1136 max_cck->fina_sync_err_cnt); 1137 pos += scnprintf(buf + pos, bufsz - pos, 1138 fmt_table, "sfd_timeout:", 1139 le32_to_cpu(cck->sfd_timeout), 1140 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 1141 max_cck->sfd_timeout); 1142 pos += scnprintf(buf + pos, bufsz - pos, 1143 fmt_table, "fina_timeout:", 1144 le32_to_cpu(cck->fina_timeout), 1145 accum_cck->fina_timeout, delta_cck->fina_timeout, 1146 max_cck->fina_timeout); 1147 pos += scnprintf(buf + pos, bufsz - pos, 1148 fmt_table, "unresponded_rts:", 1149 le32_to_cpu(cck->unresponded_rts), 1150 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 1151 max_cck->unresponded_rts); 1152 pos += scnprintf(buf + pos, bufsz - pos, 1153 fmt_table, "rxe_frame_lmt_ovrun:", 1154 le32_to_cpu(cck->rxe_frame_limit_overrun), 1155 accum_cck->rxe_frame_limit_overrun, 1156 delta_cck->rxe_frame_limit_overrun, 1157 max_cck->rxe_frame_limit_overrun); 1158 pos += scnprintf(buf + pos, bufsz - pos, 1159 fmt_table, "sent_ack_cnt:", 1160 le32_to_cpu(cck->sent_ack_cnt), 1161 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 1162 max_cck->sent_ack_cnt); 1163 pos += scnprintf(buf + pos, bufsz - pos, 1164 fmt_table, "sent_cts_cnt:", 1165 le32_to_cpu(cck->sent_cts_cnt), 1166 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 1167 max_cck->sent_cts_cnt); 1168 pos += scnprintf(buf + pos, bufsz - pos, 1169 fmt_table, "sent_ba_rsp_cnt:", 1170 le32_to_cpu(cck->sent_ba_rsp_cnt), 1171 accum_cck->sent_ba_rsp_cnt, 1172 delta_cck->sent_ba_rsp_cnt, 1173 max_cck->sent_ba_rsp_cnt); 1174 pos += scnprintf(buf + pos, bufsz - pos, 1175 fmt_table, "dsp_self_kill:", 1176 le32_to_cpu(cck->dsp_self_kill), 1177 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 1178 max_cck->dsp_self_kill); 1179 pos += scnprintf(buf + pos, bufsz - pos, 1180 fmt_table, "mh_format_err:", 1181 le32_to_cpu(cck->mh_format_err), 1182 accum_cck->mh_format_err, delta_cck->mh_format_err, 1183 max_cck->mh_format_err); 1184 pos += scnprintf(buf + pos, bufsz - pos, 1185 fmt_table, "re_acq_main_rssi_sum:", 1186 le32_to_cpu(cck->re_acq_main_rssi_sum), 1187 accum_cck->re_acq_main_rssi_sum, 1188 delta_cck->re_acq_main_rssi_sum, 1189 max_cck->re_acq_main_rssi_sum); 1190 1191 pos += scnprintf(buf + pos, bufsz - pos, 1192 fmt_header, "Statistics_Rx - GENERAL:"); 1193 pos += scnprintf(buf + pos, bufsz - pos, 1194 fmt_table, "bogus_cts:", 1195 le32_to_cpu(general->bogus_cts), 1196 accum_general->bogus_cts, delta_general->bogus_cts, 1197 max_general->bogus_cts); 1198 pos += scnprintf(buf + pos, bufsz - pos, 1199 fmt_table, "bogus_ack:", 1200 le32_to_cpu(general->bogus_ack), 1201 accum_general->bogus_ack, delta_general->bogus_ack, 1202 max_general->bogus_ack); 1203 pos += scnprintf(buf + pos, bufsz - pos, 1204 fmt_table, "non_bssid_frames:", 1205 le32_to_cpu(general->non_bssid_frames), 1206 accum_general->non_bssid_frames, 1207 delta_general->non_bssid_frames, 1208 max_general->non_bssid_frames); 1209 pos += scnprintf(buf + pos, bufsz - pos, 1210 fmt_table, "filtered_frames:", 1211 le32_to_cpu(general->filtered_frames), 1212 accum_general->filtered_frames, 1213 delta_general->filtered_frames, 1214 max_general->filtered_frames); 1215 pos += scnprintf(buf + pos, bufsz - pos, 1216 fmt_table, "non_channel_beacons:", 1217 le32_to_cpu(general->non_channel_beacons), 1218 accum_general->non_channel_beacons, 1219 delta_general->non_channel_beacons, 1220 max_general->non_channel_beacons); 1221 pos += scnprintf(buf + pos, bufsz - pos, 1222 fmt_table, "channel_beacons:", 1223 le32_to_cpu(general->channel_beacons), 1224 accum_general->channel_beacons, 1225 delta_general->channel_beacons, 1226 max_general->channel_beacons); 1227 pos += scnprintf(buf + pos, bufsz - pos, 1228 fmt_table, "num_missed_bcon:", 1229 le32_to_cpu(general->num_missed_bcon), 1230 accum_general->num_missed_bcon, 1231 delta_general->num_missed_bcon, 1232 max_general->num_missed_bcon); 1233 pos += scnprintf(buf + pos, bufsz - pos, 1234 fmt_table, "adc_rx_saturation_time:", 1235 le32_to_cpu(general->adc_rx_saturation_time), 1236 accum_general->adc_rx_saturation_time, 1237 delta_general->adc_rx_saturation_time, 1238 max_general->adc_rx_saturation_time); 1239 pos += scnprintf(buf + pos, bufsz - pos, 1240 fmt_table, "ina_detect_search_tm:", 1241 le32_to_cpu(general->ina_detection_search_time), 1242 accum_general->ina_detection_search_time, 1243 delta_general->ina_detection_search_time, 1244 max_general->ina_detection_search_time); 1245 pos += scnprintf(buf + pos, bufsz - pos, 1246 fmt_table, "beacon_silence_rssi_a:", 1247 le32_to_cpu(general->beacon_silence_rssi_a), 1248 accum_general->beacon_silence_rssi_a, 1249 delta_general->beacon_silence_rssi_a, 1250 max_general->beacon_silence_rssi_a); 1251 pos += scnprintf(buf + pos, bufsz - pos, 1252 fmt_table, "beacon_silence_rssi_b:", 1253 le32_to_cpu(general->beacon_silence_rssi_b), 1254 accum_general->beacon_silence_rssi_b, 1255 delta_general->beacon_silence_rssi_b, 1256 max_general->beacon_silence_rssi_b); 1257 pos += scnprintf(buf + pos, bufsz - pos, 1258 fmt_table, "beacon_silence_rssi_c:", 1259 le32_to_cpu(general->beacon_silence_rssi_c), 1260 accum_general->beacon_silence_rssi_c, 1261 delta_general->beacon_silence_rssi_c, 1262 max_general->beacon_silence_rssi_c); 1263 pos += scnprintf(buf + pos, bufsz - pos, 1264 fmt_table, "interference_data_flag:", 1265 le32_to_cpu(general->interference_data_flag), 1266 accum_general->interference_data_flag, 1267 delta_general->interference_data_flag, 1268 max_general->interference_data_flag); 1269 pos += scnprintf(buf + pos, bufsz - pos, 1270 fmt_table, "channel_load:", 1271 le32_to_cpu(general->channel_load), 1272 accum_general->channel_load, 1273 delta_general->channel_load, 1274 max_general->channel_load); 1275 pos += scnprintf(buf + pos, bufsz - pos, 1276 fmt_table, "dsp_false_alarms:", 1277 le32_to_cpu(general->dsp_false_alarms), 1278 accum_general->dsp_false_alarms, 1279 delta_general->dsp_false_alarms, 1280 max_general->dsp_false_alarms); 1281 pos += scnprintf(buf + pos, bufsz - pos, 1282 fmt_table, "beacon_rssi_a:", 1283 le32_to_cpu(general->beacon_rssi_a), 1284 accum_general->beacon_rssi_a, 1285 delta_general->beacon_rssi_a, 1286 max_general->beacon_rssi_a); 1287 pos += scnprintf(buf + pos, bufsz - pos, 1288 fmt_table, "beacon_rssi_b:", 1289 le32_to_cpu(general->beacon_rssi_b), 1290 accum_general->beacon_rssi_b, 1291 delta_general->beacon_rssi_b, 1292 max_general->beacon_rssi_b); 1293 pos += scnprintf(buf + pos, bufsz - pos, 1294 fmt_table, "beacon_rssi_c:", 1295 le32_to_cpu(general->beacon_rssi_c), 1296 accum_general->beacon_rssi_c, 1297 delta_general->beacon_rssi_c, 1298 max_general->beacon_rssi_c); 1299 pos += scnprintf(buf + pos, bufsz - pos, 1300 fmt_table, "beacon_energy_a:", 1301 le32_to_cpu(general->beacon_energy_a), 1302 accum_general->beacon_energy_a, 1303 delta_general->beacon_energy_a, 1304 max_general->beacon_energy_a); 1305 pos += scnprintf(buf + pos, bufsz - pos, 1306 fmt_table, "beacon_energy_b:", 1307 le32_to_cpu(general->beacon_energy_b), 1308 accum_general->beacon_energy_b, 1309 delta_general->beacon_energy_b, 1310 max_general->beacon_energy_b); 1311 pos += scnprintf(buf + pos, bufsz - pos, 1312 fmt_table, "beacon_energy_c:", 1313 le32_to_cpu(general->beacon_energy_c), 1314 accum_general->beacon_energy_c, 1315 delta_general->beacon_energy_c, 1316 max_general->beacon_energy_c); 1317 1318 pos += scnprintf(buf + pos, bufsz - pos, 1319 fmt_header, "Statistics_Rx - OFDM_HT:"); 1320 pos += scnprintf(buf + pos, bufsz - pos, 1321 fmt_table, "plcp_err:", 1322 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1323 delta_ht->plcp_err, max_ht->plcp_err); 1324 pos += scnprintf(buf + pos, bufsz - pos, 1325 fmt_table, "overrun_err:", 1326 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1327 delta_ht->overrun_err, max_ht->overrun_err); 1328 pos += scnprintf(buf + pos, bufsz - pos, 1329 fmt_table, "early_overrun_err:", 1330 le32_to_cpu(ht->early_overrun_err), 1331 accum_ht->early_overrun_err, 1332 delta_ht->early_overrun_err, 1333 max_ht->early_overrun_err); 1334 pos += scnprintf(buf + pos, bufsz - pos, 1335 fmt_table, "crc32_good:", 1336 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1337 delta_ht->crc32_good, max_ht->crc32_good); 1338 pos += scnprintf(buf + pos, bufsz - pos, 1339 fmt_table, "crc32_err:", 1340 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1341 delta_ht->crc32_err, max_ht->crc32_err); 1342 pos += scnprintf(buf + pos, bufsz - pos, 1343 fmt_table, "mh_format_err:", 1344 le32_to_cpu(ht->mh_format_err), 1345 accum_ht->mh_format_err, 1346 delta_ht->mh_format_err, max_ht->mh_format_err); 1347 pos += scnprintf(buf + pos, bufsz - pos, 1348 fmt_table, "agg_crc32_good:", 1349 le32_to_cpu(ht->agg_crc32_good), 1350 accum_ht->agg_crc32_good, 1351 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1352 pos += scnprintf(buf + pos, bufsz - pos, 1353 fmt_table, "agg_mpdu_cnt:", 1354 le32_to_cpu(ht->agg_mpdu_cnt), 1355 accum_ht->agg_mpdu_cnt, 1356 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1357 pos += scnprintf(buf + pos, bufsz - pos, 1358 fmt_table, "agg_cnt:", 1359 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1360 delta_ht->agg_cnt, max_ht->agg_cnt); 1361 pos += scnprintf(buf + pos, bufsz - pos, 1362 fmt_table, "unsupport_mcs:", 1363 le32_to_cpu(ht->unsupport_mcs), 1364 accum_ht->unsupport_mcs, 1365 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1366 1367 spin_unlock_bh(&priv->statistics.lock); 1368 1369 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1370 kfree(buf); 1371 return ret; 1372} 1373 1374static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1375 char __user *user_buf, 1376 size_t count, loff_t *ppos) 1377{ 1378 struct iwl_priv *priv = file->private_data; 1379 int pos = 0; 1380 char *buf; 1381 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1382 ssize_t ret; 1383 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1384 1385 if (!iwl_is_alive(priv->shrd)) 1386 return -EAGAIN; 1387 1388 buf = kzalloc(bufsz, GFP_KERNEL); 1389 if (!buf) { 1390 IWL_ERR(priv, "Can not allocate Buffer\n"); 1391 return -ENOMEM; 1392 } 1393 1394 /* the statistic information display here is based on 1395 * the last statistics notification from uCode 1396 * might not reflect the current uCode activity 1397 */ 1398 spin_lock_bh(&priv->statistics.lock); 1399 1400 tx = &priv->statistics.tx; 1401 accum_tx = &priv->accum_stats.tx; 1402 delta_tx = &priv->delta_stats.tx; 1403 max_tx = &priv->max_delta_stats.tx; 1404 1405 pos += iwl_statistics_flag(priv, buf, bufsz); 1406 pos += scnprintf(buf + pos, bufsz - pos, 1407 fmt_header, "Statistics_Tx:"); 1408 pos += scnprintf(buf + pos, bufsz - pos, 1409 fmt_table, "preamble:", 1410 le32_to_cpu(tx->preamble_cnt), 1411 accum_tx->preamble_cnt, 1412 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1413 pos += scnprintf(buf + pos, bufsz - pos, 1414 fmt_table, "rx_detected_cnt:", 1415 le32_to_cpu(tx->rx_detected_cnt), 1416 accum_tx->rx_detected_cnt, 1417 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1418 pos += scnprintf(buf + pos, bufsz - pos, 1419 fmt_table, "bt_prio_defer_cnt:", 1420 le32_to_cpu(tx->bt_prio_defer_cnt), 1421 accum_tx->bt_prio_defer_cnt, 1422 delta_tx->bt_prio_defer_cnt, 1423 max_tx->bt_prio_defer_cnt); 1424 pos += scnprintf(buf + pos, bufsz - pos, 1425 fmt_table, "bt_prio_kill_cnt:", 1426 le32_to_cpu(tx->bt_prio_kill_cnt), 1427 accum_tx->bt_prio_kill_cnt, 1428 delta_tx->bt_prio_kill_cnt, 1429 max_tx->bt_prio_kill_cnt); 1430 pos += scnprintf(buf + pos, bufsz - pos, 1431 fmt_table, "few_bytes_cnt:", 1432 le32_to_cpu(tx->few_bytes_cnt), 1433 accum_tx->few_bytes_cnt, 1434 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1435 pos += scnprintf(buf + pos, bufsz - pos, 1436 fmt_table, "cts_timeout:", 1437 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1438 delta_tx->cts_timeout, max_tx->cts_timeout); 1439 pos += scnprintf(buf + pos, bufsz - pos, 1440 fmt_table, "ack_timeout:", 1441 le32_to_cpu(tx->ack_timeout), 1442 accum_tx->ack_timeout, 1443 delta_tx->ack_timeout, max_tx->ack_timeout); 1444 pos += scnprintf(buf + pos, bufsz - pos, 1445 fmt_table, "expected_ack_cnt:", 1446 le32_to_cpu(tx->expected_ack_cnt), 1447 accum_tx->expected_ack_cnt, 1448 delta_tx->expected_ack_cnt, 1449 max_tx->expected_ack_cnt); 1450 pos += scnprintf(buf + pos, bufsz - pos, 1451 fmt_table, "actual_ack_cnt:", 1452 le32_to_cpu(tx->actual_ack_cnt), 1453 accum_tx->actual_ack_cnt, 1454 delta_tx->actual_ack_cnt, 1455 max_tx->actual_ack_cnt); 1456 pos += scnprintf(buf + pos, bufsz - pos, 1457 fmt_table, "dump_msdu_cnt:", 1458 le32_to_cpu(tx->dump_msdu_cnt), 1459 accum_tx->dump_msdu_cnt, 1460 delta_tx->dump_msdu_cnt, 1461 max_tx->dump_msdu_cnt); 1462 pos += scnprintf(buf + pos, bufsz - pos, 1463 fmt_table, "abort_nxt_frame_mismatch:", 1464 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1465 accum_tx->burst_abort_next_frame_mismatch_cnt, 1466 delta_tx->burst_abort_next_frame_mismatch_cnt, 1467 max_tx->burst_abort_next_frame_mismatch_cnt); 1468 pos += scnprintf(buf + pos, bufsz - pos, 1469 fmt_table, "abort_missing_nxt_frame:", 1470 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1471 accum_tx->burst_abort_missing_next_frame_cnt, 1472 delta_tx->burst_abort_missing_next_frame_cnt, 1473 max_tx->burst_abort_missing_next_frame_cnt); 1474 pos += scnprintf(buf + pos, bufsz - pos, 1475 fmt_table, "cts_timeout_collision:", 1476 le32_to_cpu(tx->cts_timeout_collision), 1477 accum_tx->cts_timeout_collision, 1478 delta_tx->cts_timeout_collision, 1479 max_tx->cts_timeout_collision); 1480 pos += scnprintf(buf + pos, bufsz - pos, 1481 fmt_table, "ack_ba_timeout_collision:", 1482 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1483 accum_tx->ack_or_ba_timeout_collision, 1484 delta_tx->ack_or_ba_timeout_collision, 1485 max_tx->ack_or_ba_timeout_collision); 1486 pos += scnprintf(buf + pos, bufsz - pos, 1487 fmt_table, "agg ba_timeout:", 1488 le32_to_cpu(tx->agg.ba_timeout), 1489 accum_tx->agg.ba_timeout, 1490 delta_tx->agg.ba_timeout, 1491 max_tx->agg.ba_timeout); 1492 pos += scnprintf(buf + pos, bufsz - pos, 1493 fmt_table, "agg ba_resched_frames:", 1494 le32_to_cpu(tx->agg.ba_reschedule_frames), 1495 accum_tx->agg.ba_reschedule_frames, 1496 delta_tx->agg.ba_reschedule_frames, 1497 max_tx->agg.ba_reschedule_frames); 1498 pos += scnprintf(buf + pos, bufsz - pos, 1499 fmt_table, "agg scd_query_agg_frame:", 1500 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1501 accum_tx->agg.scd_query_agg_frame_cnt, 1502 delta_tx->agg.scd_query_agg_frame_cnt, 1503 max_tx->agg.scd_query_agg_frame_cnt); 1504 pos += scnprintf(buf + pos, bufsz - pos, 1505 fmt_table, "agg scd_query_no_agg:", 1506 le32_to_cpu(tx->agg.scd_query_no_agg), 1507 accum_tx->agg.scd_query_no_agg, 1508 delta_tx->agg.scd_query_no_agg, 1509 max_tx->agg.scd_query_no_agg); 1510 pos += scnprintf(buf + pos, bufsz - pos, 1511 fmt_table, "agg scd_query_agg:", 1512 le32_to_cpu(tx->agg.scd_query_agg), 1513 accum_tx->agg.scd_query_agg, 1514 delta_tx->agg.scd_query_agg, 1515 max_tx->agg.scd_query_agg); 1516 pos += scnprintf(buf + pos, bufsz - pos, 1517 fmt_table, "agg scd_query_mismatch:", 1518 le32_to_cpu(tx->agg.scd_query_mismatch), 1519 accum_tx->agg.scd_query_mismatch, 1520 delta_tx->agg.scd_query_mismatch, 1521 max_tx->agg.scd_query_mismatch); 1522 pos += scnprintf(buf + pos, bufsz - pos, 1523 fmt_table, "agg frame_not_ready:", 1524 le32_to_cpu(tx->agg.frame_not_ready), 1525 accum_tx->agg.frame_not_ready, 1526 delta_tx->agg.frame_not_ready, 1527 max_tx->agg.frame_not_ready); 1528 pos += scnprintf(buf + pos, bufsz - pos, 1529 fmt_table, "agg underrun:", 1530 le32_to_cpu(tx->agg.underrun), 1531 accum_tx->agg.underrun, 1532 delta_tx->agg.underrun, max_tx->agg.underrun); 1533 pos += scnprintf(buf + pos, bufsz - pos, 1534 fmt_table, "agg bt_prio_kill:", 1535 le32_to_cpu(tx->agg.bt_prio_kill), 1536 accum_tx->agg.bt_prio_kill, 1537 delta_tx->agg.bt_prio_kill, 1538 max_tx->agg.bt_prio_kill); 1539 pos += scnprintf(buf + pos, bufsz - pos, 1540 fmt_table, "agg rx_ba_rsp_cnt:", 1541 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1542 accum_tx->agg.rx_ba_rsp_cnt, 1543 delta_tx->agg.rx_ba_rsp_cnt, 1544 max_tx->agg.rx_ba_rsp_cnt); 1545 1546 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1547 pos += scnprintf(buf + pos, bufsz - pos, 1548 "tx power: (1/2 dB step)\n"); 1549 if ((cfg(priv)->valid_tx_ant & ANT_A) && tx->tx_power.ant_a) 1550 pos += scnprintf(buf + pos, bufsz - pos, 1551 fmt_hex, "antenna A:", 1552 tx->tx_power.ant_a); 1553 if ((cfg(priv)->valid_tx_ant & ANT_B) && tx->tx_power.ant_b) 1554 pos += scnprintf(buf + pos, bufsz - pos, 1555 fmt_hex, "antenna B:", 1556 tx->tx_power.ant_b); 1557 if ((cfg(priv)->valid_tx_ant & ANT_C) && tx->tx_power.ant_c) 1558 pos += scnprintf(buf + pos, bufsz - pos, 1559 fmt_hex, "antenna C:", 1560 tx->tx_power.ant_c); 1561 } 1562 1563 spin_unlock_bh(&priv->statistics.lock); 1564 1565 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1566 kfree(buf); 1567 return ret; 1568} 1569 1570static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1571 char __user *user_buf, 1572 size_t count, loff_t *ppos) 1573{ 1574 struct iwl_priv *priv = file->private_data; 1575 int pos = 0; 1576 char *buf; 1577 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1578 ssize_t ret; 1579 struct statistics_general_common *general, *accum_general; 1580 struct statistics_general_common *delta_general, *max_general; 1581 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1582 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1583 1584 if (!iwl_is_alive(priv->shrd)) 1585 return -EAGAIN; 1586 1587 buf = kzalloc(bufsz, GFP_KERNEL); 1588 if (!buf) { 1589 IWL_ERR(priv, "Can not allocate Buffer\n"); 1590 return -ENOMEM; 1591 } 1592 1593 /* the statistic information display here is based on 1594 * the last statistics notification from uCode 1595 * might not reflect the current uCode activity 1596 */ 1597 1598 spin_lock_bh(&priv->statistics.lock); 1599 1600 general = &priv->statistics.common; 1601 dbg = &priv->statistics.common.dbg; 1602 div = &priv->statistics.common.div; 1603 accum_general = &priv->accum_stats.common; 1604 accum_dbg = &priv->accum_stats.common.dbg; 1605 accum_div = &priv->accum_stats.common.div; 1606 delta_general = &priv->delta_stats.common; 1607 max_general = &priv->max_delta_stats.common; 1608 delta_dbg = &priv->delta_stats.common.dbg; 1609 max_dbg = &priv->max_delta_stats.common.dbg; 1610 delta_div = &priv->delta_stats.common.div; 1611 max_div = &priv->max_delta_stats.common.div; 1612 1613 pos += iwl_statistics_flag(priv, buf, bufsz); 1614 pos += scnprintf(buf + pos, bufsz - pos, 1615 fmt_header, "Statistics_General:"); 1616 pos += scnprintf(buf + pos, bufsz - pos, 1617 fmt_value, "temperature:", 1618 le32_to_cpu(general->temperature)); 1619 pos += scnprintf(buf + pos, bufsz - pos, 1620 fmt_value, "temperature_m:", 1621 le32_to_cpu(general->temperature_m)); 1622 pos += scnprintf(buf + pos, bufsz - pos, 1623 fmt_value, "ttl_timestamp:", 1624 le32_to_cpu(general->ttl_timestamp)); 1625 pos += scnprintf(buf + pos, bufsz - pos, 1626 fmt_table, "burst_check:", 1627 le32_to_cpu(dbg->burst_check), 1628 accum_dbg->burst_check, 1629 delta_dbg->burst_check, max_dbg->burst_check); 1630 pos += scnprintf(buf + pos, bufsz - pos, 1631 fmt_table, "burst_count:", 1632 le32_to_cpu(dbg->burst_count), 1633 accum_dbg->burst_count, 1634 delta_dbg->burst_count, max_dbg->burst_count); 1635 pos += scnprintf(buf + pos, bufsz - pos, 1636 fmt_table, "wait_for_silence_timeout_count:", 1637 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1638 accum_dbg->wait_for_silence_timeout_cnt, 1639 delta_dbg->wait_for_silence_timeout_cnt, 1640 max_dbg->wait_for_silence_timeout_cnt); 1641 pos += scnprintf(buf + pos, bufsz - pos, 1642 fmt_table, "sleep_time:", 1643 le32_to_cpu(general->sleep_time), 1644 accum_general->sleep_time, 1645 delta_general->sleep_time, max_general->sleep_time); 1646 pos += scnprintf(buf + pos, bufsz - pos, 1647 fmt_table, "slots_out:", 1648 le32_to_cpu(general->slots_out), 1649 accum_general->slots_out, 1650 delta_general->slots_out, max_general->slots_out); 1651 pos += scnprintf(buf + pos, bufsz - pos, 1652 fmt_table, "slots_idle:", 1653 le32_to_cpu(general->slots_idle), 1654 accum_general->slots_idle, 1655 delta_general->slots_idle, max_general->slots_idle); 1656 pos += scnprintf(buf + pos, bufsz - pos, 1657 fmt_table, "tx_on_a:", 1658 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1659 delta_div->tx_on_a, max_div->tx_on_a); 1660 pos += scnprintf(buf + pos, bufsz - pos, 1661 fmt_table, "tx_on_b:", 1662 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1663 delta_div->tx_on_b, max_div->tx_on_b); 1664 pos += scnprintf(buf + pos, bufsz - pos, 1665 fmt_table, "exec_time:", 1666 le32_to_cpu(div->exec_time), accum_div->exec_time, 1667 delta_div->exec_time, max_div->exec_time); 1668 pos += scnprintf(buf + pos, bufsz - pos, 1669 fmt_table, "probe_time:", 1670 le32_to_cpu(div->probe_time), accum_div->probe_time, 1671 delta_div->probe_time, max_div->probe_time); 1672 pos += scnprintf(buf + pos, bufsz - pos, 1673 fmt_table, "rx_enable_counter:", 1674 le32_to_cpu(general->rx_enable_counter), 1675 accum_general->rx_enable_counter, 1676 delta_general->rx_enable_counter, 1677 max_general->rx_enable_counter); 1678 pos += scnprintf(buf + pos, bufsz - pos, 1679 fmt_table, "num_of_sos_states:", 1680 le32_to_cpu(general->num_of_sos_states), 1681 accum_general->num_of_sos_states, 1682 delta_general->num_of_sos_states, 1683 max_general->num_of_sos_states); 1684 1685 spin_unlock_bh(&priv->statistics.lock); 1686 1687 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1688 kfree(buf); 1689 return ret; 1690} 1691 1692static ssize_t iwl_dbgfs_ucode_bt_stats_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 char *buf; 1699 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1700 ssize_t ret; 1701 struct statistics_bt_activity *bt, *accum_bt; 1702 1703 if (!iwl_is_alive(priv->shrd)) 1704 return -EAGAIN; 1705 1706 if (!priv->bt_enable_flag) 1707 return -EINVAL; 1708 1709 /* make request to uCode to retrieve statistics information */ 1710 mutex_lock(&priv->shrd->mutex); 1711 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1712 mutex_unlock(&priv->shrd->mutex); 1713 1714 if (ret) { 1715 IWL_ERR(priv, 1716 "Error sending statistics request: %zd\n", ret); 1717 return -EAGAIN; 1718 } 1719 buf = kzalloc(bufsz, GFP_KERNEL); 1720 if (!buf) { 1721 IWL_ERR(priv, "Can not allocate Buffer\n"); 1722 return -ENOMEM; 1723 } 1724 1725 /* 1726 * the statistic information display here is based on 1727 * the last statistics notification from uCode 1728 * might not reflect the current uCode activity 1729 */ 1730 1731 spin_lock_bh(&priv->statistics.lock); 1732 1733 bt = &priv->statistics.bt_activity; 1734 accum_bt = &priv->accum_stats.bt_activity; 1735 1736 pos += iwl_statistics_flag(priv, buf, bufsz); 1737 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1738 pos += scnprintf(buf + pos, bufsz - pos, 1739 "\t\t\tcurrent\t\t\taccumulative\n"); 1740 pos += scnprintf(buf + pos, bufsz - pos, 1741 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1742 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1743 accum_bt->hi_priority_tx_req_cnt); 1744 pos += scnprintf(buf + pos, bufsz - pos, 1745 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1746 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1747 accum_bt->hi_priority_tx_denied_cnt); 1748 pos += scnprintf(buf + pos, bufsz - pos, 1749 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1750 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1751 accum_bt->lo_priority_tx_req_cnt); 1752 pos += scnprintf(buf + pos, bufsz - pos, 1753 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1754 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1755 accum_bt->lo_priority_tx_denied_cnt); 1756 pos += scnprintf(buf + pos, bufsz - pos, 1757 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1758 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1759 accum_bt->hi_priority_rx_req_cnt); 1760 pos += scnprintf(buf + pos, bufsz - pos, 1761 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1762 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1763 accum_bt->hi_priority_rx_denied_cnt); 1764 pos += scnprintf(buf + pos, bufsz - pos, 1765 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1766 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1767 accum_bt->lo_priority_rx_req_cnt); 1768 pos += scnprintf(buf + pos, bufsz - pos, 1769 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1770 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1771 accum_bt->lo_priority_rx_denied_cnt); 1772 1773 pos += scnprintf(buf + pos, bufsz - pos, 1774 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1775 le32_to_cpu(priv->statistics.num_bt_kills), 1776 priv->statistics.accum_num_bt_kills); 1777 1778 spin_unlock_bh(&priv->statistics.lock); 1779 1780 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1781 kfree(buf); 1782 return ret; 1783} 1784 1785static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1786 char __user *user_buf, 1787 size_t count, loff_t *ppos) 1788{ 1789 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1790 int pos = 0; 1791 char *buf; 1792 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1793 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1794 ssize_t ret; 1795 1796 if (!iwl_is_alive(priv->shrd)) 1797 return -EAGAIN; 1798 1799 buf = kzalloc(bufsz, GFP_KERNEL); 1800 if (!buf) { 1801 IWL_ERR(priv, "Can not allocate Buffer\n"); 1802 return -ENOMEM; 1803 } 1804 1805 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1806 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1807 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1808 priv->reply_tx_stats.pp_delay); 1809 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1810 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1811 priv->reply_tx_stats.pp_few_bytes); 1812 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1813 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1814 priv->reply_tx_stats.pp_bt_prio); 1815 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1816 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1817 priv->reply_tx_stats.pp_quiet_period); 1818 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1819 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1820 priv->reply_tx_stats.pp_calc_ttak); 1821 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1822 iwl_get_tx_fail_reason( 1823 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1824 priv->reply_tx_stats.int_crossed_retry); 1825 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1826 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1827 priv->reply_tx_stats.short_limit); 1828 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1829 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1830 priv->reply_tx_stats.long_limit); 1831 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1832 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1833 priv->reply_tx_stats.fifo_underrun); 1834 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1835 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1836 priv->reply_tx_stats.drain_flow); 1837 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1838 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1839 priv->reply_tx_stats.rfkill_flush); 1840 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1841 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1842 priv->reply_tx_stats.life_expire); 1843 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1844 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1845 priv->reply_tx_stats.dest_ps); 1846 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1847 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1848 priv->reply_tx_stats.host_abort); 1849 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1850 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1851 priv->reply_tx_stats.pp_delay); 1852 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1853 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1854 priv->reply_tx_stats.sta_invalid); 1855 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1856 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1857 priv->reply_tx_stats.frag_drop); 1858 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1859 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1860 priv->reply_tx_stats.tid_disable); 1861 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1862 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1863 priv->reply_tx_stats.fifo_flush); 1864 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1865 iwl_get_tx_fail_reason( 1866 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1867 priv->reply_tx_stats.insuff_cf_poll); 1868 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1869 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1870 priv->reply_tx_stats.fail_hw_drop); 1871 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1872 iwl_get_tx_fail_reason( 1873 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1874 priv->reply_tx_stats.sta_color_mismatch); 1875 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1876 priv->reply_tx_stats.unknown); 1877 1878 pos += scnprintf(buf + pos, bufsz - pos, 1879 "\nStatistics_Agg_TX_Error:\n"); 1880 1881 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1882 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1883 priv->reply_agg_tx_stats.underrun); 1884 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1885 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1886 priv->reply_agg_tx_stats.bt_prio); 1887 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1888 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1889 priv->reply_agg_tx_stats.few_bytes); 1890 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1891 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1892 priv->reply_agg_tx_stats.abort); 1893 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1894 iwl_get_agg_tx_fail_reason( 1895 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1896 priv->reply_agg_tx_stats.last_sent_ttl); 1897 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1898 iwl_get_agg_tx_fail_reason( 1899 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1900 priv->reply_agg_tx_stats.last_sent_try); 1901 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1902 iwl_get_agg_tx_fail_reason( 1903 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1904 priv->reply_agg_tx_stats.last_sent_bt_kill); 1905 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1906 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1907 priv->reply_agg_tx_stats.scd_query); 1908 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1909 iwl_get_agg_tx_fail_reason( 1910 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1911 priv->reply_agg_tx_stats.bad_crc32); 1912 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1913 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1914 priv->reply_agg_tx_stats.response); 1915 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1916 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1917 priv->reply_agg_tx_stats.dump_tx); 1918 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1919 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1920 priv->reply_agg_tx_stats.delay_tx); 1921 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1922 priv->reply_agg_tx_stats.unknown); 1923 1924 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1925 kfree(buf); 1926 return ret; 1927} 1928 1929static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1930 char __user *user_buf, 1931 size_t count, loff_t *ppos) { 1932 1933 struct iwl_priv *priv = file->private_data; 1934 int pos = 0; 1935 int cnt = 0; 1936 char *buf; 1937 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1938 ssize_t ret; 1939 struct iwl_sensitivity_data *data; 1940 1941 data = &priv->sensitivity_data; 1942 buf = kzalloc(bufsz, GFP_KERNEL); 1943 if (!buf) { 1944 IWL_ERR(priv, "Can not allocate Buffer\n"); 1945 return -ENOMEM; 1946 } 1947 1948 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1949 data->auto_corr_ofdm); 1950 pos += scnprintf(buf + pos, bufsz - pos, 1951 "auto_corr_ofdm_mrc:\t\t %u\n", 1952 data->auto_corr_ofdm_mrc); 1953 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1954 data->auto_corr_ofdm_x1); 1955 pos += scnprintf(buf + pos, bufsz - pos, 1956 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1957 data->auto_corr_ofdm_mrc_x1); 1958 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1959 data->auto_corr_cck); 1960 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1961 data->auto_corr_cck_mrc); 1962 pos += scnprintf(buf + pos, bufsz - pos, 1963 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1964 data->last_bad_plcp_cnt_ofdm); 1965 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1966 data->last_fa_cnt_ofdm); 1967 pos += scnprintf(buf + pos, bufsz - pos, 1968 "last_bad_plcp_cnt_cck:\t\t %u\n", 1969 data->last_bad_plcp_cnt_cck); 1970 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1971 data->last_fa_cnt_cck); 1972 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1973 data->nrg_curr_state); 1974 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1975 data->nrg_prev_state); 1976 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1977 for (cnt = 0; cnt < 10; cnt++) { 1978 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1979 data->nrg_value[cnt]); 1980 } 1981 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1982 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1983 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1984 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1985 data->nrg_silence_rssi[cnt]); 1986 } 1987 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1988 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1989 data->nrg_silence_ref); 1990 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1991 data->nrg_energy_idx); 1992 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1993 data->nrg_silence_idx); 1994 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1995 data->nrg_th_cck); 1996 pos += scnprintf(buf + pos, bufsz - pos, 1997 "nrg_auto_corr_silence_diff:\t %u\n", 1998 data->nrg_auto_corr_silence_diff); 1999 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 2000 data->num_in_cck_no_fa); 2001 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 2002 data->nrg_th_ofdm); 2003 2004 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2005 kfree(buf); 2006 return ret; 2007} 2008 2009 2010static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 2011 char __user *user_buf, 2012 size_t count, loff_t *ppos) { 2013 2014 struct iwl_priv *priv = file->private_data; 2015 int pos = 0; 2016 int cnt = 0; 2017 char *buf; 2018 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 2019 ssize_t ret; 2020 struct iwl_chain_noise_data *data; 2021 2022 data = &priv->chain_noise_data; 2023 buf = kzalloc(bufsz, GFP_KERNEL); 2024 if (!buf) { 2025 IWL_ERR(priv, "Can not allocate Buffer\n"); 2026 return -ENOMEM; 2027 } 2028 2029 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 2030 data->active_chains); 2031 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 2032 data->chain_noise_a); 2033 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 2034 data->chain_noise_b); 2035 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 2036 data->chain_noise_c); 2037 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 2038 data->chain_signal_a); 2039 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 2040 data->chain_signal_b); 2041 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 2042 data->chain_signal_c); 2043 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 2044 data->beacon_count); 2045 2046 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 2047 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2048 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2049 data->disconn_array[cnt]); 2050 } 2051 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2052 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 2053 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2054 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2055 data->delta_gain_code[cnt]); 2056 } 2057 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2058 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 2059 data->radio_write); 2060 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 2061 data->state); 2062 2063 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2064 kfree(buf); 2065 return ret; 2066} 2067 2068static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 2069 char __user *user_buf, 2070 size_t count, loff_t *ppos) 2071{ 2072 struct iwl_priv *priv = file->private_data; 2073 char buf[60]; 2074 int pos = 0; 2075 const size_t bufsz = sizeof(buf); 2076 u32 pwrsave_status; 2077 2078 pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) & 2079 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 2080 2081 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 2082 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 2083 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 2084 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 2085 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 2086 "error"); 2087 2088 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2089} 2090 2091static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 2092 const char __user *user_buf, 2093 size_t count, loff_t *ppos) 2094{ 2095 struct iwl_priv *priv = file->private_data; 2096 char buf[8]; 2097 int buf_size; 2098 int clear; 2099 2100 memset(buf, 0, sizeof(buf)); 2101 buf_size = min(count, sizeof(buf) - 1); 2102 if (copy_from_user(buf, user_buf, buf_size)) 2103 return -EFAULT; 2104 if (sscanf(buf, "%d", &clear) != 1) 2105 return -EFAULT; 2106 2107 /* make request to uCode to retrieve statistics information */ 2108 mutex_lock(&priv->shrd->mutex); 2109 iwl_send_statistics_request(priv, CMD_SYNC, true); 2110 mutex_unlock(&priv->shrd->mutex); 2111 2112 return count; 2113} 2114 2115static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 2116 char __user *user_buf, 2117 size_t count, loff_t *ppos) { 2118 2119 struct iwl_priv *priv = file->private_data; 2120 int pos = 0; 2121 char buf[128]; 2122 const size_t bufsz = sizeof(buf); 2123 2124 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 2125 priv->event_log.ucode_trace ? "On" : "Off"); 2126 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 2127 priv->event_log.non_wraps_count); 2128 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 2129 priv->event_log.wraps_once_count); 2130 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 2131 priv->event_log.wraps_more_count); 2132 2133 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2134} 2135 2136static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 2137 const char __user *user_buf, 2138 size_t count, loff_t *ppos) 2139{ 2140 struct iwl_priv *priv = file->private_data; 2141 char buf[8]; 2142 int buf_size; 2143 int trace; 2144 2145 memset(buf, 0, sizeof(buf)); 2146 buf_size = min(count, sizeof(buf) - 1); 2147 if (copy_from_user(buf, user_buf, buf_size)) 2148 return -EFAULT; 2149 if (sscanf(buf, "%d", &trace) != 1) 2150 return -EFAULT; 2151 2152 if (trace) { 2153 priv->event_log.ucode_trace = true; 2154 if (iwl_is_alive(priv->shrd)) { 2155 /* start collecting data now */ 2156 mod_timer(&priv->ucode_trace, jiffies); 2157 } 2158 } else { 2159 priv->event_log.ucode_trace = false; 2160 del_timer_sync(&priv->ucode_trace); 2161 } 2162 2163 return count; 2164} 2165 2166static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 2167 char __user *user_buf, 2168 size_t count, loff_t *ppos) { 2169 2170 struct iwl_priv *priv = file->private_data; 2171 int len = 0; 2172 char buf[20]; 2173 2174 len = sprintf(buf, "0x%04X\n", 2175 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 2176 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2177} 2178 2179static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 2180 char __user *user_buf, 2181 size_t count, loff_t *ppos) { 2182 2183 struct iwl_priv *priv = file->private_data; 2184 int len = 0; 2185 char buf[20]; 2186 2187 len = sprintf(buf, "0x%04X\n", 2188 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 2189 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2190} 2191 2192static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 2193 char __user *user_buf, 2194 size_t count, loff_t *ppos) { 2195 2196 struct iwl_priv *priv = file->private_data; 2197 int pos = 0; 2198 char buf[12]; 2199 const size_t bufsz = sizeof(buf); 2200 2201 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 2202 priv->missed_beacon_threshold); 2203 2204 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2205} 2206 2207static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 2208 const char __user *user_buf, 2209 size_t count, loff_t *ppos) 2210{ 2211 struct iwl_priv *priv = file->private_data; 2212 char buf[8]; 2213 int buf_size; 2214 int missed; 2215 2216 memset(buf, 0, sizeof(buf)); 2217 buf_size = min(count, sizeof(buf) - 1); 2218 if (copy_from_user(buf, user_buf, buf_size)) 2219 return -EFAULT; 2220 if (sscanf(buf, "%d", &missed) != 1) 2221 return -EINVAL; 2222 2223 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 2224 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 2225 priv->missed_beacon_threshold = 2226 IWL_MISSED_BEACON_THRESHOLD_DEF; 2227 else 2228 priv->missed_beacon_threshold = missed; 2229 2230 return count; 2231} 2232 2233static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 2234 char __user *user_buf, 2235 size_t count, loff_t *ppos) { 2236 2237 struct iwl_priv *priv = file->private_data; 2238 int pos = 0; 2239 char buf[12]; 2240 const size_t bufsz = sizeof(buf); 2241 2242 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2243 cfg(priv)->base_params->plcp_delta_threshold); 2244 2245 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2246} 2247 2248static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2249 const char __user *user_buf, 2250 size_t count, loff_t *ppos) { 2251 2252 struct iwl_priv *priv = file->private_data; 2253 char buf[8]; 2254 int buf_size; 2255 int plcp; 2256 2257 memset(buf, 0, sizeof(buf)); 2258 buf_size = min(count, sizeof(buf) - 1); 2259 if (copy_from_user(buf, user_buf, buf_size)) 2260 return -EFAULT; 2261 if (sscanf(buf, "%d", &plcp) != 1) 2262 return -EINVAL; 2263 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2264 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2265 cfg(priv)->base_params->plcp_delta_threshold = 2266 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 2267 else 2268 cfg(priv)->base_params->plcp_delta_threshold = plcp; 2269 return count; 2270} 2271 2272static ssize_t iwl_dbgfs_force_reset_read(struct file *file, 2273 char __user *user_buf, 2274 size_t count, loff_t *ppos) 2275{ 2276 struct iwl_priv *priv = file->private_data; 2277 int i, pos = 0; 2278 char buf[300]; 2279 const size_t bufsz = sizeof(buf); 2280 struct iwl_force_reset *force_reset; 2281 2282 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { 2283 force_reset = &priv->force_reset[i]; 2284 pos += scnprintf(buf + pos, bufsz - pos, 2285 "Force reset method %d\n", i); 2286 pos += scnprintf(buf + pos, bufsz - pos, 2287 "\tnumber of reset request: %d\n", 2288 force_reset->reset_request_count); 2289 pos += scnprintf(buf + pos, bufsz - pos, 2290 "\tnumber of reset request success: %d\n", 2291 force_reset->reset_success_count); 2292 pos += scnprintf(buf + pos, bufsz - pos, 2293 "\tnumber of reset request reject: %d\n", 2294 force_reset->reset_reject_count); 2295 pos += scnprintf(buf + pos, bufsz - pos, 2296 "\treset duration: %lu\n", 2297 force_reset->reset_duration); 2298 } 2299 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2300} 2301 2302static ssize_t iwl_dbgfs_force_reset_write(struct file *file, 2303 const char __user *user_buf, 2304 size_t count, loff_t *ppos) { 2305 2306 struct iwl_priv *priv = file->private_data; 2307 char buf[8]; 2308 int buf_size; 2309 int reset, ret; 2310 2311 memset(buf, 0, sizeof(buf)); 2312 buf_size = min(count, sizeof(buf) - 1); 2313 if (copy_from_user(buf, user_buf, buf_size)) 2314 return -EFAULT; 2315 if (sscanf(buf, "%d", &reset) != 1) 2316 return -EINVAL; 2317 switch (reset) { 2318 case IWL_RF_RESET: 2319 case IWL_FW_RESET: 2320 ret = iwl_force_reset(priv, reset, true); 2321 break; 2322 default: 2323 return -EINVAL; 2324 } 2325 return ret ? ret : count; 2326} 2327 2328static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2329 const char __user *user_buf, 2330 size_t count, loff_t *ppos) { 2331 2332 struct iwl_priv *priv = file->private_data; 2333 char buf[8]; 2334 int buf_size; 2335 int flush; 2336 2337 memset(buf, 0, sizeof(buf)); 2338 buf_size = min(count, sizeof(buf) - 1); 2339 if (copy_from_user(buf, user_buf, buf_size)) 2340 return -EFAULT; 2341 if (sscanf(buf, "%d", &flush) != 1) 2342 return -EINVAL; 2343 2344 if (iwl_is_rfkill(priv->shrd)) 2345 return -EFAULT; 2346 2347 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); 2348 2349 return count; 2350} 2351 2352static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file, 2353 const char __user *user_buf, 2354 size_t count, loff_t *ppos) 2355{ 2356 struct iwl_priv *priv = file->private_data; 2357 char buf[8]; 2358 int buf_size; 2359 int timeout; 2360 2361 memset(buf, 0, sizeof(buf)); 2362 buf_size = min(count, sizeof(buf) - 1); 2363 if (copy_from_user(buf, user_buf, buf_size)) 2364 return -EFAULT; 2365 if (sscanf(buf, "%d", &timeout) != 1) 2366 return -EINVAL; 2367 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT) 2368 timeout = IWL_DEF_WD_TIMEOUT; 2369 2370 cfg(priv)->base_params->wd_timeout = timeout; 2371 iwl_setup_watchdog(priv); 2372 return count; 2373} 2374 2375static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2376 char __user *user_buf, 2377 size_t count, loff_t *ppos) { 2378 2379 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2380 int pos = 0; 2381 char buf[200]; 2382 const size_t bufsz = sizeof(buf); 2383 2384 if (!priv->bt_enable_flag) { 2385 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2386 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2387 } 2388 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2389 priv->bt_enable_flag); 2390 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2391 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2392 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2393 "last traffic notif: %d\n", 2394 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2395 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2396 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2397 priv->bt_ch_announce, priv->kill_ack_mask, 2398 priv->kill_cts_mask); 2399 2400 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2401 switch (priv->bt_traffic_load) { 2402 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2403 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2404 break; 2405 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2406 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2407 break; 2408 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2409 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2410 break; 2411 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2412 default: 2413 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2414 break; 2415 } 2416 2417 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2418} 2419 2420static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2421 char __user *user_buf, 2422 size_t count, loff_t *ppos) 2423{ 2424 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2425 2426 int pos = 0; 2427 char buf[40]; 2428 const size_t bufsz = sizeof(buf); 2429 2430 if (cfg(priv)->ht_params) 2431 pos += scnprintf(buf + pos, bufsz - pos, 2432 "use %s for aggregation\n", 2433 (cfg(priv)->ht_params->use_rts_for_aggregation) ? 2434 "rts/cts" : "cts-to-self"); 2435 else 2436 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2437 2438 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2439} 2440 2441static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2442 const char __user *user_buf, 2443 size_t count, loff_t *ppos) { 2444 2445 struct iwl_priv *priv = file->private_data; 2446 char buf[8]; 2447 int buf_size; 2448 int rts; 2449 2450 if (!cfg(priv)->ht_params) 2451 return -EINVAL; 2452 2453 memset(buf, 0, sizeof(buf)); 2454 buf_size = min(count, sizeof(buf) - 1); 2455 if (copy_from_user(buf, user_buf, buf_size)) 2456 return -EFAULT; 2457 if (sscanf(buf, "%d", &rts) != 1) 2458 return -EINVAL; 2459 if (rts) 2460 cfg(priv)->ht_params->use_rts_for_aggregation = true; 2461 else 2462 cfg(priv)->ht_params->use_rts_for_aggregation = false; 2463 return count; 2464} 2465 2466static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2467 const char __user *user_buf, 2468 size_t count, loff_t *ppos) 2469{ 2470 struct iwl_priv *priv = file->private_data; 2471 char buf[8]; 2472 int buf_size; 2473 2474 memset(buf, 0, sizeof(buf)); 2475 buf_size = min(count, sizeof(buf) - 1); 2476 if (copy_from_user(buf, user_buf, buf_size)) 2477 return -EFAULT; 2478 2479 iwl_cmd_echo_test(priv); 2480 return count; 2481} 2482 2483DEBUGFS_READ_FILE_OPS(rx_statistics); 2484DEBUGFS_READ_FILE_OPS(tx_statistics); 2485DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 2486DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2487DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2488DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2489DEBUGFS_READ_FILE_OPS(sensitivity); 2490DEBUGFS_READ_FILE_OPS(chain_noise); 2491DEBUGFS_READ_FILE_OPS(power_save_status); 2492DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2493DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 2494DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2495DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2496DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2497DEBUGFS_READ_WRITE_FILE_OPS(force_reset); 2498DEBUGFS_READ_FILE_OPS(rxon_flags); 2499DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2500DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2501DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2502DEBUGFS_WRITE_FILE_OPS(wd_timeout); 2503DEBUGFS_READ_FILE_OPS(bt_traffic); 2504DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2505DEBUGFS_READ_FILE_OPS(reply_tx_error); 2506DEBUGFS_WRITE_FILE_OPS(echo_test); 2507 2508/* 2509 * Create the debugfs files and directories 2510 * 2511 */ 2512int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 2513{ 2514 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 2515 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; 2516 2517 dir_drv = debugfs_create_dir(name, phyd); 2518 if (!dir_drv) 2519 return -ENOMEM; 2520 2521 priv->debugfs_dir = dir_drv; 2522 2523 dir_data = debugfs_create_dir("data", dir_drv); 2524 if (!dir_data) 2525 goto err; 2526 dir_rf = debugfs_create_dir("rf", dir_drv); 2527 if (!dir_rf) 2528 goto err; 2529 dir_debug = debugfs_create_dir("debug", dir_drv); 2530 if (!dir_debug) 2531 goto err; 2532 2533 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2534 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2535 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR); 2536 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2537 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2538 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2539 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR); 2540 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2541 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2542 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2543 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2544 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2545 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR); 2546 2547 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); 2548 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); 2549 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); 2550 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2551 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2552 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); 2553 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2554 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2555 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); 2556 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2557 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2558 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2559 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); 2560 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR); 2561 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2562 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2563 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2564 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR); 2565 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR); 2566 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); 2567 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); 2568 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); 2569 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); 2570 if (iwl_advanced_bt_coexist(priv)) 2571 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); 2572 2573 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, 2574 &priv->disable_sens_cal); 2575 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, 2576 &priv->disable_chain_noise_cal); 2577 2578 if (iwl_trans_dbgfs_register(trans(priv), dir_debug)) 2579 goto err; 2580 return 0; 2581 2582err: 2583 IWL_ERR(priv, "Can't create the debugfs directory\n"); 2584 iwl_dbgfs_unregister(priv); 2585 return -ENOMEM; 2586} 2587 2588/** 2589 * Remove the debugfs files and directories 2590 * 2591 */ 2592void iwl_dbgfs_unregister(struct iwl_priv *priv) 2593{ 2594 if (!priv->debugfs_dir) 2595 return; 2596 2597 debugfs_remove_recursive(priv->debugfs_dir); 2598 priv->debugfs_dir = NULL; 2599} 2600