iwl-debugfs.c revision 1042db2af183b96cdce5972014d85e8bca0634ad
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 struct iwl_trans *trans = trans(priv); 238 priv->dbgfs_sram_offset = 0x800000; 239 if (trans->shrd->ucode_type == IWL_UCODE_INIT) 240 priv->dbgfs_sram_len = trans->ucode_init.data.len; 241 else 242 priv->dbgfs_sram_len = trans->ucode_rt.data.len; 243 } 244 len = priv->dbgfs_sram_len; 245 246 if (len == -4) { 247 device_format = true; 248 len = 4; 249 } 250 251 bufsz = 50 + len * 4; 252 buf = kmalloc(bufsz, GFP_KERNEL); 253 if (!buf) 254 return -ENOMEM; 255 256 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 257 len); 258 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 259 priv->dbgfs_sram_offset); 260 261 /* adjust sram address since reads are only on even u32 boundaries */ 262 offset = priv->dbgfs_sram_offset & 0x3; 263 sram = priv->dbgfs_sram_offset & ~0x3; 264 265 /* read the first u32 from sram */ 266 val = iwl_read_targ_mem(trans(priv), sram); 267 268 for (; len; len--) { 269 /* put the address at the start of every line */ 270 if (i == 0) 271 pos += scnprintf(buf + pos, bufsz - pos, 272 "%08X: ", sram + offset); 273 274 if (device_format) 275 pos += scnprintf(buf + pos, bufsz - pos, 276 "%02x", (val >> (8 * (3 - offset))) & 0xff); 277 else 278 pos += scnprintf(buf + pos, bufsz - pos, 279 "%02x ", (val >> (8 * offset)) & 0xff); 280 281 /* if all bytes processed, read the next u32 from sram */ 282 if (++offset == 4) { 283 sram += 4; 284 offset = 0; 285 val = iwl_read_targ_mem(trans(priv), sram); 286 } 287 288 /* put in extra spaces and split lines for human readability */ 289 if (++i == 16) { 290 i = 0; 291 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 292 } else if (!(i & 7)) { 293 pos += scnprintf(buf + pos, bufsz - pos, " "); 294 } else if (!(i & 3)) { 295 pos += scnprintf(buf + pos, bufsz - pos, " "); 296 } 297 } 298 if (i) 299 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 300 301 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 302 kfree(buf); 303 return ret; 304} 305 306static ssize_t iwl_dbgfs_sram_write(struct file *file, 307 const char __user *user_buf, 308 size_t count, loff_t *ppos) 309{ 310 struct iwl_priv *priv = file->private_data; 311 char buf[64]; 312 int buf_size; 313 u32 offset, len; 314 315 memset(buf, 0, sizeof(buf)); 316 buf_size = min(count, sizeof(buf) - 1); 317 if (copy_from_user(buf, user_buf, buf_size)) 318 return -EFAULT; 319 320 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 321 priv->dbgfs_sram_offset = offset; 322 priv->dbgfs_sram_len = len; 323 } else if (sscanf(buf, "%x", &offset) == 1) { 324 priv->dbgfs_sram_offset = offset; 325 priv->dbgfs_sram_len = -4; 326 } else { 327 priv->dbgfs_sram_offset = 0; 328 priv->dbgfs_sram_len = 0; 329 } 330 331 return count; 332} 333 334static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 335 char __user *user_buf, 336 size_t count, loff_t *ppos) 337{ 338 struct iwl_priv *priv = file->private_data; 339 340 if (!priv->wowlan_sram) 341 return -ENODATA; 342 343 return simple_read_from_buffer(user_buf, count, ppos, 344 priv->wowlan_sram, 345 trans(priv)->ucode_wowlan.data.len); 346} 347static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 348 size_t count, loff_t *ppos) 349{ 350 struct iwl_priv *priv = file->private_data; 351 struct iwl_station_entry *station; 352 struct iwl_tid_data *tid_data; 353 char *buf; 354 int i, j, pos = 0; 355 ssize_t ret; 356 /* Add 30 for initial string */ 357 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 358 359 buf = kmalloc(bufsz, GFP_KERNEL); 360 if (!buf) 361 return -ENOMEM; 362 363 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 364 priv->num_stations); 365 366 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 367 station = &priv->stations[i]; 368 if (!station->used) 369 continue; 370 pos += scnprintf(buf + pos, bufsz - pos, 371 "station %d - addr: %pM, flags: %#x\n", 372 i, station->sta.sta.addr, 373 station->sta.station_flags_msk); 374 pos += scnprintf(buf + pos, bufsz - pos, 375 "TID\tseq_num\trate_n_flags\n"); 376 377 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 378 tid_data = &priv->tid_data[i][j]; 379 pos += scnprintf(buf + pos, bufsz - pos, 380 "%d:\t%#x\t%#x", 381 j, tid_data->seq_number, 382 tid_data->agg.rate_n_flags); 383 384 if (tid_data->agg.wait_for_ba) 385 pos += scnprintf(buf + pos, bufsz - pos, 386 " - waitforba"); 387 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 388 } 389 390 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 391 } 392 393 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 394 kfree(buf); 395 return ret; 396} 397 398static ssize_t iwl_dbgfs_nvm_read(struct file *file, 399 char __user *user_buf, 400 size_t count, 401 loff_t *ppos) 402{ 403 ssize_t ret; 404 struct iwl_priv *priv = file->private_data; 405 int pos = 0, ofs = 0, buf_size = 0; 406 const u8 *ptr; 407 char *buf; 408 u16 eeprom_ver; 409 size_t eeprom_len = cfg(priv)->base_params->eeprom_size; 410 buf_size = 4 * eeprom_len + 256; 411 412 if (eeprom_len % 16) { 413 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 414 return -ENODATA; 415 } 416 417 ptr = priv->shrd->eeprom; 418 if (!ptr) { 419 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 420 return -ENOMEM; 421 } 422 423 /* 4 characters for byte 0xYY */ 424 buf = kzalloc(buf_size, GFP_KERNEL); 425 if (!buf) { 426 IWL_ERR(priv, "Can not allocate Buffer\n"); 427 return -ENOMEM; 428 } 429 eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION); 430 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 431 "version: 0x%x\n", 432 (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) 433 ? "OTP" : "EEPROM", eeprom_ver); 434 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 435 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 436 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 437 buf_size - pos, 0); 438 pos += strlen(buf + pos); 439 if (buf_size - pos > 0) 440 buf[pos++] = '\n'; 441 } 442 443 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 444 kfree(buf); 445 return ret; 446} 447 448static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 449 size_t count, loff_t *ppos) 450{ 451 struct iwl_priv *priv = file->private_data; 452 struct ieee80211_channel *channels = NULL; 453 const struct ieee80211_supported_band *supp_band = NULL; 454 int pos = 0, i, bufsz = PAGE_SIZE; 455 char *buf; 456 ssize_t ret; 457 458 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)) 459 return -EAGAIN; 460 461 buf = kzalloc(bufsz, GFP_KERNEL); 462 if (!buf) { 463 IWL_ERR(priv, "Can not allocate Buffer\n"); 464 return -ENOMEM; 465 } 466 467 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 468 if (supp_band) { 469 channels = supp_band->channels; 470 471 pos += scnprintf(buf + pos, bufsz - pos, 472 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 473 supp_band->n_channels); 474 475 for (i = 0; i < supp_band->n_channels; i++) 476 pos += scnprintf(buf + pos, bufsz - pos, 477 "%d: %ddBm: BSS%s%s, %s.\n", 478 channels[i].hw_value, 479 channels[i].max_power, 480 channels[i].flags & IEEE80211_CHAN_RADAR ? 481 " (IEEE 802.11h required)" : "", 482 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 483 || (channels[i].flags & 484 IEEE80211_CHAN_RADAR)) ? "" : 485 ", IBSS", 486 channels[i].flags & 487 IEEE80211_CHAN_PASSIVE_SCAN ? 488 "passive only" : "active/passive"); 489 } 490 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 491 if (supp_band) { 492 channels = supp_band->channels; 493 494 pos += scnprintf(buf + pos, bufsz - pos, 495 "Displaying %d channels in 5.2GHz band (802.11a)\n", 496 supp_band->n_channels); 497 498 for (i = 0; i < supp_band->n_channels; i++) 499 pos += scnprintf(buf + pos, bufsz - pos, 500 "%d: %ddBm: BSS%s%s, %s.\n", 501 channels[i].hw_value, 502 channels[i].max_power, 503 channels[i].flags & IEEE80211_CHAN_RADAR ? 504 " (IEEE 802.11h required)" : "", 505 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 506 || (channels[i].flags & 507 IEEE80211_CHAN_RADAR)) ? "" : 508 ", IBSS", 509 channels[i].flags & 510 IEEE80211_CHAN_PASSIVE_SCAN ? 511 "passive only" : "active/passive"); 512 } 513 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 514 kfree(buf); 515 return ret; 516} 517 518static ssize_t iwl_dbgfs_status_read(struct file *file, 519 char __user *user_buf, 520 size_t count, loff_t *ppos) { 521 522 struct iwl_priv *priv = file->private_data; 523 char buf[512]; 524 int pos = 0; 525 const size_t bufsz = sizeof(buf); 526 527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 528 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status)); 529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 530 test_bit(STATUS_INT_ENABLED, &priv->shrd->status)); 531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 532 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); 533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 534 test_bit(STATUS_CT_KILL, &priv->shrd->status)); 535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 536 test_bit(STATUS_INIT, &priv->shrd->status)); 537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 538 test_bit(STATUS_ALIVE, &priv->shrd->status)); 539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 540 test_bit(STATUS_READY, &priv->shrd->status)); 541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 542 test_bit(STATUS_TEMPERATURE, &priv->shrd->status)); 543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 544 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)); 545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 546 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)); 547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 548 test_bit(STATUS_STATISTICS, &priv->shrd->status)); 549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 550 test_bit(STATUS_SCANNING, &priv->shrd->status)); 551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 552 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)); 553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 554 test_bit(STATUS_SCAN_HW, &priv->shrd->status)); 555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 556 test_bit(STATUS_POWER_PMI, &priv->shrd->status)); 557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 558 test_bit(STATUS_FW_ERROR, &priv->shrd->status)); 559 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 560} 561 562static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 563 char __user *user_buf, 564 size_t count, loff_t *ppos) { 565 566 struct iwl_priv *priv = file->private_data; 567 568 int pos = 0; 569 int cnt = 0; 570 char *buf; 571 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 572 ssize_t ret; 573 574 buf = kzalloc(bufsz, GFP_KERNEL); 575 if (!buf) { 576 IWL_ERR(priv, "Can not allocate Buffer\n"); 577 return -ENOMEM; 578 } 579 580 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 581 if (priv->rx_handlers_stats[cnt] > 0) 582 pos += scnprintf(buf + pos, bufsz - pos, 583 "\tRx handler[%36s]:\t\t %u\n", 584 get_cmd_string(cnt), 585 priv->rx_handlers_stats[cnt]); 586 } 587 588 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 589 kfree(buf); 590 return ret; 591} 592 593static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 594 const char __user *user_buf, 595 size_t count, loff_t *ppos) 596{ 597 struct iwl_priv *priv = file->private_data; 598 599 char buf[8]; 600 int buf_size; 601 u32 reset_flag; 602 603 memset(buf, 0, sizeof(buf)); 604 buf_size = min(count, sizeof(buf) - 1); 605 if (copy_from_user(buf, user_buf, buf_size)) 606 return -EFAULT; 607 if (sscanf(buf, "%x", &reset_flag) != 1) 608 return -EFAULT; 609 if (reset_flag == 0) 610 memset(&priv->rx_handlers_stats[0], 0, 611 sizeof(priv->rx_handlers_stats)); 612 613 return count; 614} 615 616static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 617 size_t count, loff_t *ppos) 618{ 619 struct iwl_priv *priv = file->private_data; 620 struct iwl_rxon_context *ctx; 621 int pos = 0, i; 622 char buf[256 * NUM_IWL_RXON_CTX]; 623 const size_t bufsz = sizeof(buf); 624 625 for_each_context(priv, ctx) { 626 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 627 ctx->ctxid); 628 for (i = 0; i < AC_NUM; i++) { 629 pos += scnprintf(buf + pos, bufsz - pos, 630 "\tcw_min\tcw_max\taifsn\ttxop\n"); 631 pos += scnprintf(buf + pos, bufsz - pos, 632 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 633 ctx->qos_data.def_qos_parm.ac[i].cw_min, 634 ctx->qos_data.def_qos_parm.ac[i].cw_max, 635 ctx->qos_data.def_qos_parm.ac[i].aifsn, 636 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 637 } 638 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 639 } 640 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 641} 642 643static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 644 char __user *user_buf, 645 size_t count, loff_t *ppos) 646{ 647 struct iwl_priv *priv = file->private_data; 648 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 649 struct iwl_tt_restriction *restriction; 650 char buf[100]; 651 int pos = 0; 652 const size_t bufsz = sizeof(buf); 653 654 pos += scnprintf(buf + pos, bufsz - pos, 655 "Thermal Throttling Mode: %s\n", 656 tt->advanced_tt ? "Advance" : "Legacy"); 657 pos += scnprintf(buf + pos, bufsz - pos, 658 "Thermal Throttling State: %d\n", 659 tt->state); 660 if (tt->advanced_tt) { 661 restriction = tt->restriction + tt->state; 662 pos += scnprintf(buf + pos, bufsz - pos, 663 "Tx mode: %d\n", 664 restriction->tx_stream); 665 pos += scnprintf(buf + pos, bufsz - pos, 666 "Rx mode: %d\n", 667 restriction->rx_stream); 668 pos += scnprintf(buf + pos, bufsz - pos, 669 "HT mode: %d\n", 670 restriction->is_ht); 671 } 672 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 673} 674 675static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 676 const char __user *user_buf, 677 size_t count, loff_t *ppos) 678{ 679 struct iwl_priv *priv = file->private_data; 680 char buf[8]; 681 int buf_size; 682 int ht40; 683 684 memset(buf, 0, sizeof(buf)); 685 buf_size = min(count, sizeof(buf) - 1); 686 if (copy_from_user(buf, user_buf, buf_size)) 687 return -EFAULT; 688 if (sscanf(buf, "%d", &ht40) != 1) 689 return -EFAULT; 690 if (!iwl_is_any_associated(priv)) 691 priv->disable_ht40 = ht40 ? true : false; 692 else { 693 IWL_ERR(priv, "Sta associated with AP - " 694 "Change to 40MHz channel support is not allowed\n"); 695 return -EINVAL; 696 } 697 698 return count; 699} 700 701static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 702 char __user *user_buf, 703 size_t count, loff_t *ppos) 704{ 705 struct iwl_priv *priv = file->private_data; 706 char buf[100]; 707 int pos = 0; 708 const size_t bufsz = sizeof(buf); 709 710 pos += scnprintf(buf + pos, bufsz - pos, 711 "11n 40MHz Mode: %s\n", 712 priv->disable_ht40 ? "Disabled" : "Enabled"); 713 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 714} 715 716static ssize_t iwl_dbgfs_temperature_read(struct file *file, 717 char __user *user_buf, 718 size_t count, loff_t *ppos) 719{ 720 struct iwl_priv *priv = file->private_data; 721 char buf[8]; 722 int pos = 0; 723 const size_t bufsz = sizeof(buf); 724 725 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 726 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 727} 728 729 730static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 731 const char __user *user_buf, 732 size_t count, loff_t *ppos) 733{ 734 struct iwl_priv *priv = file->private_data; 735 char buf[8]; 736 int buf_size; 737 int value; 738 739 memset(buf, 0, sizeof(buf)); 740 buf_size = min(count, sizeof(buf) - 1); 741 if (copy_from_user(buf, user_buf, buf_size)) 742 return -EFAULT; 743 744 if (sscanf(buf, "%d", &value) != 1) 745 return -EINVAL; 746 747 /* 748 * Our users expect 0 to be "CAM", but 0 isn't actually 749 * valid here. However, let's not confuse them and present 750 * IWL_POWER_INDEX_1 as "1", not "0". 751 */ 752 if (value == 0) 753 return -EINVAL; 754 else if (value > 0) 755 value -= 1; 756 757 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 758 return -EINVAL; 759 760 if (!iwl_is_ready_rf(priv->shrd)) 761 return -EAGAIN; 762 763 priv->power_data.debug_sleep_level_override = value; 764 765 mutex_lock(&priv->shrd->mutex); 766 iwl_power_update_mode(priv, true); 767 mutex_unlock(&priv->shrd->mutex); 768 769 return count; 770} 771 772static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 773 char __user *user_buf, 774 size_t count, loff_t *ppos) 775{ 776 struct iwl_priv *priv = file->private_data; 777 char buf[10]; 778 int pos, value; 779 const size_t bufsz = sizeof(buf); 780 781 /* see the write function */ 782 value = priv->power_data.debug_sleep_level_override; 783 if (value >= 0) 784 value += 1; 785 786 pos = scnprintf(buf, bufsz, "%d\n", value); 787 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 788} 789 790static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 791 char __user *user_buf, 792 size_t count, loff_t *ppos) 793{ 794 struct iwl_priv *priv = file->private_data; 795 char buf[200]; 796 int pos = 0, i; 797 const size_t bufsz = sizeof(buf); 798 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 799 800 pos += scnprintf(buf + pos, bufsz - pos, 801 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 802 pos += scnprintf(buf + pos, bufsz - pos, 803 "RX/TX timeout: %d/%d usec\n", 804 le32_to_cpu(cmd->rx_data_timeout), 805 le32_to_cpu(cmd->tx_data_timeout)); 806 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 807 pos += scnprintf(buf + pos, bufsz - pos, 808 "sleep_interval[%d]: %d\n", i, 809 le32_to_cpu(cmd->sleep_interval[i])); 810 811 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 812} 813 814DEBUGFS_READ_WRITE_FILE_OPS(sram); 815DEBUGFS_READ_FILE_OPS(wowlan_sram); 816DEBUGFS_READ_FILE_OPS(nvm); 817DEBUGFS_READ_FILE_OPS(stations); 818DEBUGFS_READ_FILE_OPS(channels); 819DEBUGFS_READ_FILE_OPS(status); 820DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 821DEBUGFS_READ_FILE_OPS(qos); 822DEBUGFS_READ_FILE_OPS(thermal_throttling); 823DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 824DEBUGFS_READ_FILE_OPS(temperature); 825DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 826DEBUGFS_READ_FILE_OPS(current_sleep_command); 827 828static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 829 char __user *user_buf, 830 size_t count, loff_t *ppos) 831{ 832 struct iwl_priv *priv = file->private_data; 833 int pos = 0, ofs = 0; 834 int cnt = 0, entry; 835 836 char *buf; 837 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 838 (hw_params(priv).max_txq_num * 32 * 8) + 400; 839 const u8 *ptr; 840 ssize_t ret; 841 842 buf = kzalloc(bufsz, GFP_KERNEL); 843 if (!buf) { 844 IWL_ERR(priv, "Can not allocate buffer\n"); 845 return -ENOMEM; 846 } 847 if (priv->tx_traffic && 848 (iwl_get_debug_level(priv->shrd) & 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 && 867 (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) { 868 ptr = priv->rx_traffic; 869 pos += scnprintf(buf + pos, bufsz - pos, 870 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 871 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 872 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 873 entry++, ofs += 16) { 874 pos += scnprintf(buf + pos, bufsz - pos, 875 "0x%.4x ", ofs); 876 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 877 buf + pos, bufsz - pos, 0); 878 pos += strlen(buf + pos); 879 if (bufsz - pos > 0) 880 buf[pos++] = '\n'; 881 } 882 } 883 } 884 885 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 886 kfree(buf); 887 return ret; 888} 889 890static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 891 const char __user *user_buf, 892 size_t count, loff_t *ppos) 893{ 894 struct iwl_priv *priv = file->private_data; 895 char buf[8]; 896 int buf_size; 897 int traffic_log; 898 899 memset(buf, 0, sizeof(buf)); 900 buf_size = min(count, sizeof(buf) - 1); 901 if (copy_from_user(buf, user_buf, buf_size)) 902 return -EFAULT; 903 if (sscanf(buf, "%d", &traffic_log) != 1) 904 return -EFAULT; 905 if (traffic_log == 0) 906 iwl_reset_traffic_log(priv); 907 908 return count; 909} 910 911static const char *fmt_value = " %-30s %10u\n"; 912static const char *fmt_hex = " %-30s 0x%02X\n"; 913static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; 914static const char *fmt_header = 915 "%-32s current cumulative delta max\n"; 916 917static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 918{ 919 int p = 0; 920 u32 flag; 921 922 flag = le32_to_cpu(priv->statistics.flag); 923 924 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 925 if (flag & UCODE_STATISTICS_CLEAR_MSK) 926 p += scnprintf(buf + p, bufsz - p, 927 "\tStatistics have been cleared\n"); 928 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 929 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 930 ? "2.4 GHz" : "5.2 GHz"); 931 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 932 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 933 ? "enabled" : "disabled"); 934 935 return p; 936} 937 938static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 939 char __user *user_buf, 940 size_t count, loff_t *ppos) 941{ 942 struct iwl_priv *priv = file->private_data; 943 int pos = 0; 944 char *buf; 945 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 946 sizeof(struct statistics_rx_non_phy) * 40 + 947 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 948 ssize_t ret; 949 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 950 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 951 struct statistics_rx_non_phy *general, *accum_general; 952 struct statistics_rx_non_phy *delta_general, *max_general; 953 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 954 955 if (!iwl_is_alive(priv->shrd)) 956 return -EAGAIN; 957 958 buf = kzalloc(bufsz, GFP_KERNEL); 959 if (!buf) { 960 IWL_ERR(priv, "Can not allocate Buffer\n"); 961 return -ENOMEM; 962 } 963 964 /* 965 * the statistic information display here is based on 966 * the last statistics notification from uCode 967 * might not reflect the current uCode activity 968 */ 969 ofdm = &priv->statistics.rx_ofdm; 970 cck = &priv->statistics.rx_cck; 971 general = &priv->statistics.rx_non_phy; 972 ht = &priv->statistics.rx_ofdm_ht; 973 accum_ofdm = &priv->accum_stats.rx_ofdm; 974 accum_cck = &priv->accum_stats.rx_cck; 975 accum_general = &priv->accum_stats.rx_non_phy; 976 accum_ht = &priv->accum_stats.rx_ofdm_ht; 977 delta_ofdm = &priv->delta_stats.rx_ofdm; 978 delta_cck = &priv->delta_stats.rx_cck; 979 delta_general = &priv->delta_stats.rx_non_phy; 980 delta_ht = &priv->delta_stats.rx_ofdm_ht; 981 max_ofdm = &priv->max_delta_stats.rx_ofdm; 982 max_cck = &priv->max_delta_stats.rx_cck; 983 max_general = &priv->max_delta_stats.rx_non_phy; 984 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 985 986 pos += iwl_statistics_flag(priv, buf, bufsz); 987 pos += scnprintf(buf + pos, bufsz - pos, 988 fmt_header, "Statistics_Rx - OFDM:"); 989 pos += scnprintf(buf + pos, bufsz - pos, 990 fmt_table, "ina_cnt:", 991 le32_to_cpu(ofdm->ina_cnt), 992 accum_ofdm->ina_cnt, 993 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 994 pos += scnprintf(buf + pos, bufsz - pos, 995 fmt_table, "fina_cnt:", 996 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 997 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 998 pos += scnprintf(buf + pos, bufsz - pos, 999 fmt_table, "plcp_err:", 1000 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 1001 delta_ofdm->plcp_err, max_ofdm->plcp_err); 1002 pos += scnprintf(buf + pos, bufsz - pos, 1003 fmt_table, "crc32_err:", 1004 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 1005 delta_ofdm->crc32_err, max_ofdm->crc32_err); 1006 pos += scnprintf(buf + pos, bufsz - pos, 1007 fmt_table, "overrun_err:", 1008 le32_to_cpu(ofdm->overrun_err), 1009 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 1010 max_ofdm->overrun_err); 1011 pos += scnprintf(buf + pos, bufsz - pos, 1012 fmt_table, "early_overrun_err:", 1013 le32_to_cpu(ofdm->early_overrun_err), 1014 accum_ofdm->early_overrun_err, 1015 delta_ofdm->early_overrun_err, 1016 max_ofdm->early_overrun_err); 1017 pos += scnprintf(buf + pos, bufsz - pos, 1018 fmt_table, "crc32_good:", 1019 le32_to_cpu(ofdm->crc32_good), 1020 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 1021 max_ofdm->crc32_good); 1022 pos += scnprintf(buf + pos, bufsz - pos, 1023 fmt_table, "false_alarm_cnt:", 1024 le32_to_cpu(ofdm->false_alarm_cnt), 1025 accum_ofdm->false_alarm_cnt, 1026 delta_ofdm->false_alarm_cnt, 1027 max_ofdm->false_alarm_cnt); 1028 pos += scnprintf(buf + pos, bufsz - pos, 1029 fmt_table, "fina_sync_err_cnt:", 1030 le32_to_cpu(ofdm->fina_sync_err_cnt), 1031 accum_ofdm->fina_sync_err_cnt, 1032 delta_ofdm->fina_sync_err_cnt, 1033 max_ofdm->fina_sync_err_cnt); 1034 pos += scnprintf(buf + pos, bufsz - pos, 1035 fmt_table, "sfd_timeout:", 1036 le32_to_cpu(ofdm->sfd_timeout), 1037 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 1038 max_ofdm->sfd_timeout); 1039 pos += scnprintf(buf + pos, bufsz - pos, 1040 fmt_table, "fina_timeout:", 1041 le32_to_cpu(ofdm->fina_timeout), 1042 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 1043 max_ofdm->fina_timeout); 1044 pos += scnprintf(buf + pos, bufsz - pos, 1045 fmt_table, "unresponded_rts:", 1046 le32_to_cpu(ofdm->unresponded_rts), 1047 accum_ofdm->unresponded_rts, 1048 delta_ofdm->unresponded_rts, 1049 max_ofdm->unresponded_rts); 1050 pos += scnprintf(buf + pos, bufsz - pos, 1051 fmt_table, "rxe_frame_lmt_ovrun:", 1052 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1053 accum_ofdm->rxe_frame_limit_overrun, 1054 delta_ofdm->rxe_frame_limit_overrun, 1055 max_ofdm->rxe_frame_limit_overrun); 1056 pos += scnprintf(buf + pos, bufsz - pos, 1057 fmt_table, "sent_ack_cnt:", 1058 le32_to_cpu(ofdm->sent_ack_cnt), 1059 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 1060 max_ofdm->sent_ack_cnt); 1061 pos += scnprintf(buf + pos, bufsz - pos, 1062 fmt_table, "sent_cts_cnt:", 1063 le32_to_cpu(ofdm->sent_cts_cnt), 1064 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 1065 max_ofdm->sent_cts_cnt); 1066 pos += scnprintf(buf + pos, bufsz - pos, 1067 fmt_table, "sent_ba_rsp_cnt:", 1068 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1069 accum_ofdm->sent_ba_rsp_cnt, 1070 delta_ofdm->sent_ba_rsp_cnt, 1071 max_ofdm->sent_ba_rsp_cnt); 1072 pos += scnprintf(buf + pos, bufsz - pos, 1073 fmt_table, "dsp_self_kill:", 1074 le32_to_cpu(ofdm->dsp_self_kill), 1075 accum_ofdm->dsp_self_kill, 1076 delta_ofdm->dsp_self_kill, 1077 max_ofdm->dsp_self_kill); 1078 pos += scnprintf(buf + pos, bufsz - pos, 1079 fmt_table, "mh_format_err:", 1080 le32_to_cpu(ofdm->mh_format_err), 1081 accum_ofdm->mh_format_err, 1082 delta_ofdm->mh_format_err, 1083 max_ofdm->mh_format_err); 1084 pos += scnprintf(buf + pos, bufsz - pos, 1085 fmt_table, "re_acq_main_rssi_sum:", 1086 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1087 accum_ofdm->re_acq_main_rssi_sum, 1088 delta_ofdm->re_acq_main_rssi_sum, 1089 max_ofdm->re_acq_main_rssi_sum); 1090 1091 pos += scnprintf(buf + pos, bufsz - pos, 1092 fmt_header, "Statistics_Rx - CCK:"); 1093 pos += scnprintf(buf + pos, bufsz - pos, 1094 fmt_table, "ina_cnt:", 1095 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 1096 delta_cck->ina_cnt, max_cck->ina_cnt); 1097 pos += scnprintf(buf + pos, bufsz - pos, 1098 fmt_table, "fina_cnt:", 1099 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 1100 delta_cck->fina_cnt, max_cck->fina_cnt); 1101 pos += scnprintf(buf + pos, bufsz - pos, 1102 fmt_table, "plcp_err:", 1103 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 1104 delta_cck->plcp_err, max_cck->plcp_err); 1105 pos += scnprintf(buf + pos, bufsz - pos, 1106 fmt_table, "crc32_err:", 1107 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 1108 delta_cck->crc32_err, max_cck->crc32_err); 1109 pos += scnprintf(buf + pos, bufsz - pos, 1110 fmt_table, "overrun_err:", 1111 le32_to_cpu(cck->overrun_err), 1112 accum_cck->overrun_err, delta_cck->overrun_err, 1113 max_cck->overrun_err); 1114 pos += scnprintf(buf + pos, bufsz - pos, 1115 fmt_table, "early_overrun_err:", 1116 le32_to_cpu(cck->early_overrun_err), 1117 accum_cck->early_overrun_err, 1118 delta_cck->early_overrun_err, 1119 max_cck->early_overrun_err); 1120 pos += scnprintf(buf + pos, bufsz - pos, 1121 fmt_table, "crc32_good:", 1122 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 1123 delta_cck->crc32_good, max_cck->crc32_good); 1124 pos += scnprintf(buf + pos, bufsz - pos, 1125 fmt_table, "false_alarm_cnt:", 1126 le32_to_cpu(cck->false_alarm_cnt), 1127 accum_cck->false_alarm_cnt, 1128 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 1129 pos += scnprintf(buf + pos, bufsz - pos, 1130 fmt_table, "fina_sync_err_cnt:", 1131 le32_to_cpu(cck->fina_sync_err_cnt), 1132 accum_cck->fina_sync_err_cnt, 1133 delta_cck->fina_sync_err_cnt, 1134 max_cck->fina_sync_err_cnt); 1135 pos += scnprintf(buf + pos, bufsz - pos, 1136 fmt_table, "sfd_timeout:", 1137 le32_to_cpu(cck->sfd_timeout), 1138 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 1139 max_cck->sfd_timeout); 1140 pos += scnprintf(buf + pos, bufsz - pos, 1141 fmt_table, "fina_timeout:", 1142 le32_to_cpu(cck->fina_timeout), 1143 accum_cck->fina_timeout, delta_cck->fina_timeout, 1144 max_cck->fina_timeout); 1145 pos += scnprintf(buf + pos, bufsz - pos, 1146 fmt_table, "unresponded_rts:", 1147 le32_to_cpu(cck->unresponded_rts), 1148 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 1149 max_cck->unresponded_rts); 1150 pos += scnprintf(buf + pos, bufsz - pos, 1151 fmt_table, "rxe_frame_lmt_ovrun:", 1152 le32_to_cpu(cck->rxe_frame_limit_overrun), 1153 accum_cck->rxe_frame_limit_overrun, 1154 delta_cck->rxe_frame_limit_overrun, 1155 max_cck->rxe_frame_limit_overrun); 1156 pos += scnprintf(buf + pos, bufsz - pos, 1157 fmt_table, "sent_ack_cnt:", 1158 le32_to_cpu(cck->sent_ack_cnt), 1159 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 1160 max_cck->sent_ack_cnt); 1161 pos += scnprintf(buf + pos, bufsz - pos, 1162 fmt_table, "sent_cts_cnt:", 1163 le32_to_cpu(cck->sent_cts_cnt), 1164 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 1165 max_cck->sent_cts_cnt); 1166 pos += scnprintf(buf + pos, bufsz - pos, 1167 fmt_table, "sent_ba_rsp_cnt:", 1168 le32_to_cpu(cck->sent_ba_rsp_cnt), 1169 accum_cck->sent_ba_rsp_cnt, 1170 delta_cck->sent_ba_rsp_cnt, 1171 max_cck->sent_ba_rsp_cnt); 1172 pos += scnprintf(buf + pos, bufsz - pos, 1173 fmt_table, "dsp_self_kill:", 1174 le32_to_cpu(cck->dsp_self_kill), 1175 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 1176 max_cck->dsp_self_kill); 1177 pos += scnprintf(buf + pos, bufsz - pos, 1178 fmt_table, "mh_format_err:", 1179 le32_to_cpu(cck->mh_format_err), 1180 accum_cck->mh_format_err, delta_cck->mh_format_err, 1181 max_cck->mh_format_err); 1182 pos += scnprintf(buf + pos, bufsz - pos, 1183 fmt_table, "re_acq_main_rssi_sum:", 1184 le32_to_cpu(cck->re_acq_main_rssi_sum), 1185 accum_cck->re_acq_main_rssi_sum, 1186 delta_cck->re_acq_main_rssi_sum, 1187 max_cck->re_acq_main_rssi_sum); 1188 1189 pos += scnprintf(buf + pos, bufsz - pos, 1190 fmt_header, "Statistics_Rx - GENERAL:"); 1191 pos += scnprintf(buf + pos, bufsz - pos, 1192 fmt_table, "bogus_cts:", 1193 le32_to_cpu(general->bogus_cts), 1194 accum_general->bogus_cts, delta_general->bogus_cts, 1195 max_general->bogus_cts); 1196 pos += scnprintf(buf + pos, bufsz - pos, 1197 fmt_table, "bogus_ack:", 1198 le32_to_cpu(general->bogus_ack), 1199 accum_general->bogus_ack, delta_general->bogus_ack, 1200 max_general->bogus_ack); 1201 pos += scnprintf(buf + pos, bufsz - pos, 1202 fmt_table, "non_bssid_frames:", 1203 le32_to_cpu(general->non_bssid_frames), 1204 accum_general->non_bssid_frames, 1205 delta_general->non_bssid_frames, 1206 max_general->non_bssid_frames); 1207 pos += scnprintf(buf + pos, bufsz - pos, 1208 fmt_table, "filtered_frames:", 1209 le32_to_cpu(general->filtered_frames), 1210 accum_general->filtered_frames, 1211 delta_general->filtered_frames, 1212 max_general->filtered_frames); 1213 pos += scnprintf(buf + pos, bufsz - pos, 1214 fmt_table, "non_channel_beacons:", 1215 le32_to_cpu(general->non_channel_beacons), 1216 accum_general->non_channel_beacons, 1217 delta_general->non_channel_beacons, 1218 max_general->non_channel_beacons); 1219 pos += scnprintf(buf + pos, bufsz - pos, 1220 fmt_table, "channel_beacons:", 1221 le32_to_cpu(general->channel_beacons), 1222 accum_general->channel_beacons, 1223 delta_general->channel_beacons, 1224 max_general->channel_beacons); 1225 pos += scnprintf(buf + pos, bufsz - pos, 1226 fmt_table, "num_missed_bcon:", 1227 le32_to_cpu(general->num_missed_bcon), 1228 accum_general->num_missed_bcon, 1229 delta_general->num_missed_bcon, 1230 max_general->num_missed_bcon); 1231 pos += scnprintf(buf + pos, bufsz - pos, 1232 fmt_table, "adc_rx_saturation_time:", 1233 le32_to_cpu(general->adc_rx_saturation_time), 1234 accum_general->adc_rx_saturation_time, 1235 delta_general->adc_rx_saturation_time, 1236 max_general->adc_rx_saturation_time); 1237 pos += scnprintf(buf + pos, bufsz - pos, 1238 fmt_table, "ina_detect_search_tm:", 1239 le32_to_cpu(general->ina_detection_search_time), 1240 accum_general->ina_detection_search_time, 1241 delta_general->ina_detection_search_time, 1242 max_general->ina_detection_search_time); 1243 pos += scnprintf(buf + pos, bufsz - pos, 1244 fmt_table, "beacon_silence_rssi_a:", 1245 le32_to_cpu(general->beacon_silence_rssi_a), 1246 accum_general->beacon_silence_rssi_a, 1247 delta_general->beacon_silence_rssi_a, 1248 max_general->beacon_silence_rssi_a); 1249 pos += scnprintf(buf + pos, bufsz - pos, 1250 fmt_table, "beacon_silence_rssi_b:", 1251 le32_to_cpu(general->beacon_silence_rssi_b), 1252 accum_general->beacon_silence_rssi_b, 1253 delta_general->beacon_silence_rssi_b, 1254 max_general->beacon_silence_rssi_b); 1255 pos += scnprintf(buf + pos, bufsz - pos, 1256 fmt_table, "beacon_silence_rssi_c:", 1257 le32_to_cpu(general->beacon_silence_rssi_c), 1258 accum_general->beacon_silence_rssi_c, 1259 delta_general->beacon_silence_rssi_c, 1260 max_general->beacon_silence_rssi_c); 1261 pos += scnprintf(buf + pos, bufsz - pos, 1262 fmt_table, "interference_data_flag:", 1263 le32_to_cpu(general->interference_data_flag), 1264 accum_general->interference_data_flag, 1265 delta_general->interference_data_flag, 1266 max_general->interference_data_flag); 1267 pos += scnprintf(buf + pos, bufsz - pos, 1268 fmt_table, "channel_load:", 1269 le32_to_cpu(general->channel_load), 1270 accum_general->channel_load, 1271 delta_general->channel_load, 1272 max_general->channel_load); 1273 pos += scnprintf(buf + pos, bufsz - pos, 1274 fmt_table, "dsp_false_alarms:", 1275 le32_to_cpu(general->dsp_false_alarms), 1276 accum_general->dsp_false_alarms, 1277 delta_general->dsp_false_alarms, 1278 max_general->dsp_false_alarms); 1279 pos += scnprintf(buf + pos, bufsz - pos, 1280 fmt_table, "beacon_rssi_a:", 1281 le32_to_cpu(general->beacon_rssi_a), 1282 accum_general->beacon_rssi_a, 1283 delta_general->beacon_rssi_a, 1284 max_general->beacon_rssi_a); 1285 pos += scnprintf(buf + pos, bufsz - pos, 1286 fmt_table, "beacon_rssi_b:", 1287 le32_to_cpu(general->beacon_rssi_b), 1288 accum_general->beacon_rssi_b, 1289 delta_general->beacon_rssi_b, 1290 max_general->beacon_rssi_b); 1291 pos += scnprintf(buf + pos, bufsz - pos, 1292 fmt_table, "beacon_rssi_c:", 1293 le32_to_cpu(general->beacon_rssi_c), 1294 accum_general->beacon_rssi_c, 1295 delta_general->beacon_rssi_c, 1296 max_general->beacon_rssi_c); 1297 pos += scnprintf(buf + pos, bufsz - pos, 1298 fmt_table, "beacon_energy_a:", 1299 le32_to_cpu(general->beacon_energy_a), 1300 accum_general->beacon_energy_a, 1301 delta_general->beacon_energy_a, 1302 max_general->beacon_energy_a); 1303 pos += scnprintf(buf + pos, bufsz - pos, 1304 fmt_table, "beacon_energy_b:", 1305 le32_to_cpu(general->beacon_energy_b), 1306 accum_general->beacon_energy_b, 1307 delta_general->beacon_energy_b, 1308 max_general->beacon_energy_b); 1309 pos += scnprintf(buf + pos, bufsz - pos, 1310 fmt_table, "beacon_energy_c:", 1311 le32_to_cpu(general->beacon_energy_c), 1312 accum_general->beacon_energy_c, 1313 delta_general->beacon_energy_c, 1314 max_general->beacon_energy_c); 1315 1316 pos += scnprintf(buf + pos, bufsz - pos, 1317 fmt_header, "Statistics_Rx - OFDM_HT:"); 1318 pos += scnprintf(buf + pos, bufsz - pos, 1319 fmt_table, "plcp_err:", 1320 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1321 delta_ht->plcp_err, max_ht->plcp_err); 1322 pos += scnprintf(buf + pos, bufsz - pos, 1323 fmt_table, "overrun_err:", 1324 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1325 delta_ht->overrun_err, max_ht->overrun_err); 1326 pos += scnprintf(buf + pos, bufsz - pos, 1327 fmt_table, "early_overrun_err:", 1328 le32_to_cpu(ht->early_overrun_err), 1329 accum_ht->early_overrun_err, 1330 delta_ht->early_overrun_err, 1331 max_ht->early_overrun_err); 1332 pos += scnprintf(buf + pos, bufsz - pos, 1333 fmt_table, "crc32_good:", 1334 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1335 delta_ht->crc32_good, max_ht->crc32_good); 1336 pos += scnprintf(buf + pos, bufsz - pos, 1337 fmt_table, "crc32_err:", 1338 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1339 delta_ht->crc32_err, max_ht->crc32_err); 1340 pos += scnprintf(buf + pos, bufsz - pos, 1341 fmt_table, "mh_format_err:", 1342 le32_to_cpu(ht->mh_format_err), 1343 accum_ht->mh_format_err, 1344 delta_ht->mh_format_err, max_ht->mh_format_err); 1345 pos += scnprintf(buf + pos, bufsz - pos, 1346 fmt_table, "agg_crc32_good:", 1347 le32_to_cpu(ht->agg_crc32_good), 1348 accum_ht->agg_crc32_good, 1349 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1350 pos += scnprintf(buf + pos, bufsz - pos, 1351 fmt_table, "agg_mpdu_cnt:", 1352 le32_to_cpu(ht->agg_mpdu_cnt), 1353 accum_ht->agg_mpdu_cnt, 1354 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1355 pos += scnprintf(buf + pos, bufsz - pos, 1356 fmt_table, "agg_cnt:", 1357 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1358 delta_ht->agg_cnt, max_ht->agg_cnt); 1359 pos += scnprintf(buf + pos, bufsz - pos, 1360 fmt_table, "unsupport_mcs:", 1361 le32_to_cpu(ht->unsupport_mcs), 1362 accum_ht->unsupport_mcs, 1363 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1364 1365 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1366 kfree(buf); 1367 return ret; 1368} 1369 1370static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1371 char __user *user_buf, 1372 size_t count, loff_t *ppos) 1373{ 1374 struct iwl_priv *priv = file->private_data; 1375 int pos = 0; 1376 char *buf; 1377 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1378 ssize_t ret; 1379 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1380 1381 if (!iwl_is_alive(priv->shrd)) 1382 return -EAGAIN; 1383 1384 buf = kzalloc(bufsz, GFP_KERNEL); 1385 if (!buf) { 1386 IWL_ERR(priv, "Can not allocate Buffer\n"); 1387 return -ENOMEM; 1388 } 1389 1390 /* the statistic information display here is based on 1391 * the last statistics notification from uCode 1392 * might not reflect the current uCode activity 1393 */ 1394 tx = &priv->statistics.tx; 1395 accum_tx = &priv->accum_stats.tx; 1396 delta_tx = &priv->delta_stats.tx; 1397 max_tx = &priv->max_delta_stats.tx; 1398 1399 pos += iwl_statistics_flag(priv, buf, bufsz); 1400 pos += scnprintf(buf + pos, bufsz - pos, 1401 fmt_header, "Statistics_Tx:"); 1402 pos += scnprintf(buf + pos, bufsz - pos, 1403 fmt_table, "preamble:", 1404 le32_to_cpu(tx->preamble_cnt), 1405 accum_tx->preamble_cnt, 1406 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1407 pos += scnprintf(buf + pos, bufsz - pos, 1408 fmt_table, "rx_detected_cnt:", 1409 le32_to_cpu(tx->rx_detected_cnt), 1410 accum_tx->rx_detected_cnt, 1411 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1412 pos += scnprintf(buf + pos, bufsz - pos, 1413 fmt_table, "bt_prio_defer_cnt:", 1414 le32_to_cpu(tx->bt_prio_defer_cnt), 1415 accum_tx->bt_prio_defer_cnt, 1416 delta_tx->bt_prio_defer_cnt, 1417 max_tx->bt_prio_defer_cnt); 1418 pos += scnprintf(buf + pos, bufsz - pos, 1419 fmt_table, "bt_prio_kill_cnt:", 1420 le32_to_cpu(tx->bt_prio_kill_cnt), 1421 accum_tx->bt_prio_kill_cnt, 1422 delta_tx->bt_prio_kill_cnt, 1423 max_tx->bt_prio_kill_cnt); 1424 pos += scnprintf(buf + pos, bufsz - pos, 1425 fmt_table, "few_bytes_cnt:", 1426 le32_to_cpu(tx->few_bytes_cnt), 1427 accum_tx->few_bytes_cnt, 1428 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1429 pos += scnprintf(buf + pos, bufsz - pos, 1430 fmt_table, "cts_timeout:", 1431 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1432 delta_tx->cts_timeout, max_tx->cts_timeout); 1433 pos += scnprintf(buf + pos, bufsz - pos, 1434 fmt_table, "ack_timeout:", 1435 le32_to_cpu(tx->ack_timeout), 1436 accum_tx->ack_timeout, 1437 delta_tx->ack_timeout, max_tx->ack_timeout); 1438 pos += scnprintf(buf + pos, bufsz - pos, 1439 fmt_table, "expected_ack_cnt:", 1440 le32_to_cpu(tx->expected_ack_cnt), 1441 accum_tx->expected_ack_cnt, 1442 delta_tx->expected_ack_cnt, 1443 max_tx->expected_ack_cnt); 1444 pos += scnprintf(buf + pos, bufsz - pos, 1445 fmt_table, "actual_ack_cnt:", 1446 le32_to_cpu(tx->actual_ack_cnt), 1447 accum_tx->actual_ack_cnt, 1448 delta_tx->actual_ack_cnt, 1449 max_tx->actual_ack_cnt); 1450 pos += scnprintf(buf + pos, bufsz - pos, 1451 fmt_table, "dump_msdu_cnt:", 1452 le32_to_cpu(tx->dump_msdu_cnt), 1453 accum_tx->dump_msdu_cnt, 1454 delta_tx->dump_msdu_cnt, 1455 max_tx->dump_msdu_cnt); 1456 pos += scnprintf(buf + pos, bufsz - pos, 1457 fmt_table, "abort_nxt_frame_mismatch:", 1458 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1459 accum_tx->burst_abort_next_frame_mismatch_cnt, 1460 delta_tx->burst_abort_next_frame_mismatch_cnt, 1461 max_tx->burst_abort_next_frame_mismatch_cnt); 1462 pos += scnprintf(buf + pos, bufsz - pos, 1463 fmt_table, "abort_missing_nxt_frame:", 1464 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1465 accum_tx->burst_abort_missing_next_frame_cnt, 1466 delta_tx->burst_abort_missing_next_frame_cnt, 1467 max_tx->burst_abort_missing_next_frame_cnt); 1468 pos += scnprintf(buf + pos, bufsz - pos, 1469 fmt_table, "cts_timeout_collision:", 1470 le32_to_cpu(tx->cts_timeout_collision), 1471 accum_tx->cts_timeout_collision, 1472 delta_tx->cts_timeout_collision, 1473 max_tx->cts_timeout_collision); 1474 pos += scnprintf(buf + pos, bufsz - pos, 1475 fmt_table, "ack_ba_timeout_collision:", 1476 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1477 accum_tx->ack_or_ba_timeout_collision, 1478 delta_tx->ack_or_ba_timeout_collision, 1479 max_tx->ack_or_ba_timeout_collision); 1480 pos += scnprintf(buf + pos, bufsz - pos, 1481 fmt_table, "agg ba_timeout:", 1482 le32_to_cpu(tx->agg.ba_timeout), 1483 accum_tx->agg.ba_timeout, 1484 delta_tx->agg.ba_timeout, 1485 max_tx->agg.ba_timeout); 1486 pos += scnprintf(buf + pos, bufsz - pos, 1487 fmt_table, "agg ba_resched_frames:", 1488 le32_to_cpu(tx->agg.ba_reschedule_frames), 1489 accum_tx->agg.ba_reschedule_frames, 1490 delta_tx->agg.ba_reschedule_frames, 1491 max_tx->agg.ba_reschedule_frames); 1492 pos += scnprintf(buf + pos, bufsz - pos, 1493 fmt_table, "agg scd_query_agg_frame:", 1494 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1495 accum_tx->agg.scd_query_agg_frame_cnt, 1496 delta_tx->agg.scd_query_agg_frame_cnt, 1497 max_tx->agg.scd_query_agg_frame_cnt); 1498 pos += scnprintf(buf + pos, bufsz - pos, 1499 fmt_table, "agg scd_query_no_agg:", 1500 le32_to_cpu(tx->agg.scd_query_no_agg), 1501 accum_tx->agg.scd_query_no_agg, 1502 delta_tx->agg.scd_query_no_agg, 1503 max_tx->agg.scd_query_no_agg); 1504 pos += scnprintf(buf + pos, bufsz - pos, 1505 fmt_table, "agg scd_query_agg:", 1506 le32_to_cpu(tx->agg.scd_query_agg), 1507 accum_tx->agg.scd_query_agg, 1508 delta_tx->agg.scd_query_agg, 1509 max_tx->agg.scd_query_agg); 1510 pos += scnprintf(buf + pos, bufsz - pos, 1511 fmt_table, "agg scd_query_mismatch:", 1512 le32_to_cpu(tx->agg.scd_query_mismatch), 1513 accum_tx->agg.scd_query_mismatch, 1514 delta_tx->agg.scd_query_mismatch, 1515 max_tx->agg.scd_query_mismatch); 1516 pos += scnprintf(buf + pos, bufsz - pos, 1517 fmt_table, "agg frame_not_ready:", 1518 le32_to_cpu(tx->agg.frame_not_ready), 1519 accum_tx->agg.frame_not_ready, 1520 delta_tx->agg.frame_not_ready, 1521 max_tx->agg.frame_not_ready); 1522 pos += scnprintf(buf + pos, bufsz - pos, 1523 fmt_table, "agg underrun:", 1524 le32_to_cpu(tx->agg.underrun), 1525 accum_tx->agg.underrun, 1526 delta_tx->agg.underrun, max_tx->agg.underrun); 1527 pos += scnprintf(buf + pos, bufsz - pos, 1528 fmt_table, "agg bt_prio_kill:", 1529 le32_to_cpu(tx->agg.bt_prio_kill), 1530 accum_tx->agg.bt_prio_kill, 1531 delta_tx->agg.bt_prio_kill, 1532 max_tx->agg.bt_prio_kill); 1533 pos += scnprintf(buf + pos, bufsz - pos, 1534 fmt_table, "agg rx_ba_rsp_cnt:", 1535 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1536 accum_tx->agg.rx_ba_rsp_cnt, 1537 delta_tx->agg.rx_ba_rsp_cnt, 1538 max_tx->agg.rx_ba_rsp_cnt); 1539 1540 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1541 pos += scnprintf(buf + pos, bufsz - pos, 1542 "tx power: (1/2 dB step)\n"); 1543 if ((cfg(priv)->valid_tx_ant & ANT_A) && tx->tx_power.ant_a) 1544 pos += scnprintf(buf + pos, bufsz - pos, 1545 fmt_hex, "antenna A:", 1546 tx->tx_power.ant_a); 1547 if ((cfg(priv)->valid_tx_ant & ANT_B) && tx->tx_power.ant_b) 1548 pos += scnprintf(buf + pos, bufsz - pos, 1549 fmt_hex, "antenna B:", 1550 tx->tx_power.ant_b); 1551 if ((cfg(priv)->valid_tx_ant & ANT_C) && tx->tx_power.ant_c) 1552 pos += scnprintf(buf + pos, bufsz - pos, 1553 fmt_hex, "antenna C:", 1554 tx->tx_power.ant_c); 1555 } 1556 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1557 kfree(buf); 1558 return ret; 1559} 1560 1561static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1562 char __user *user_buf, 1563 size_t count, loff_t *ppos) 1564{ 1565 struct iwl_priv *priv = file->private_data; 1566 int pos = 0; 1567 char *buf; 1568 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1569 ssize_t ret; 1570 struct statistics_general_common *general, *accum_general; 1571 struct statistics_general_common *delta_general, *max_general; 1572 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1573 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1574 1575 if (!iwl_is_alive(priv->shrd)) 1576 return -EAGAIN; 1577 1578 buf = kzalloc(bufsz, GFP_KERNEL); 1579 if (!buf) { 1580 IWL_ERR(priv, "Can not allocate Buffer\n"); 1581 return -ENOMEM; 1582 } 1583 1584 /* the statistic information display here is based on 1585 * the last statistics notification from uCode 1586 * might not reflect the current uCode activity 1587 */ 1588 general = &priv->statistics.common; 1589 dbg = &priv->statistics.common.dbg; 1590 div = &priv->statistics.common.div; 1591 accum_general = &priv->accum_stats.common; 1592 accum_dbg = &priv->accum_stats.common.dbg; 1593 accum_div = &priv->accum_stats.common.div; 1594 delta_general = &priv->delta_stats.common; 1595 max_general = &priv->max_delta_stats.common; 1596 delta_dbg = &priv->delta_stats.common.dbg; 1597 max_dbg = &priv->max_delta_stats.common.dbg; 1598 delta_div = &priv->delta_stats.common.div; 1599 max_div = &priv->max_delta_stats.common.div; 1600 1601 pos += iwl_statistics_flag(priv, buf, bufsz); 1602 pos += scnprintf(buf + pos, bufsz - pos, 1603 fmt_header, "Statistics_General:"); 1604 pos += scnprintf(buf + pos, bufsz - pos, 1605 fmt_value, "temperature:", 1606 le32_to_cpu(general->temperature)); 1607 pos += scnprintf(buf + pos, bufsz - pos, 1608 fmt_value, "temperature_m:", 1609 le32_to_cpu(general->temperature_m)); 1610 pos += scnprintf(buf + pos, bufsz - pos, 1611 fmt_value, "ttl_timestamp:", 1612 le32_to_cpu(general->ttl_timestamp)); 1613 pos += scnprintf(buf + pos, bufsz - pos, 1614 fmt_table, "burst_check:", 1615 le32_to_cpu(dbg->burst_check), 1616 accum_dbg->burst_check, 1617 delta_dbg->burst_check, max_dbg->burst_check); 1618 pos += scnprintf(buf + pos, bufsz - pos, 1619 fmt_table, "burst_count:", 1620 le32_to_cpu(dbg->burst_count), 1621 accum_dbg->burst_count, 1622 delta_dbg->burst_count, max_dbg->burst_count); 1623 pos += scnprintf(buf + pos, bufsz - pos, 1624 fmt_table, "wait_for_silence_timeout_count:", 1625 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1626 accum_dbg->wait_for_silence_timeout_cnt, 1627 delta_dbg->wait_for_silence_timeout_cnt, 1628 max_dbg->wait_for_silence_timeout_cnt); 1629 pos += scnprintf(buf + pos, bufsz - pos, 1630 fmt_table, "sleep_time:", 1631 le32_to_cpu(general->sleep_time), 1632 accum_general->sleep_time, 1633 delta_general->sleep_time, max_general->sleep_time); 1634 pos += scnprintf(buf + pos, bufsz - pos, 1635 fmt_table, "slots_out:", 1636 le32_to_cpu(general->slots_out), 1637 accum_general->slots_out, 1638 delta_general->slots_out, max_general->slots_out); 1639 pos += scnprintf(buf + pos, bufsz - pos, 1640 fmt_table, "slots_idle:", 1641 le32_to_cpu(general->slots_idle), 1642 accum_general->slots_idle, 1643 delta_general->slots_idle, max_general->slots_idle); 1644 pos += scnprintf(buf + pos, bufsz - pos, 1645 fmt_table, "tx_on_a:", 1646 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1647 delta_div->tx_on_a, max_div->tx_on_a); 1648 pos += scnprintf(buf + pos, bufsz - pos, 1649 fmt_table, "tx_on_b:", 1650 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1651 delta_div->tx_on_b, max_div->tx_on_b); 1652 pos += scnprintf(buf + pos, bufsz - pos, 1653 fmt_table, "exec_time:", 1654 le32_to_cpu(div->exec_time), accum_div->exec_time, 1655 delta_div->exec_time, max_div->exec_time); 1656 pos += scnprintf(buf + pos, bufsz - pos, 1657 fmt_table, "probe_time:", 1658 le32_to_cpu(div->probe_time), accum_div->probe_time, 1659 delta_div->probe_time, max_div->probe_time); 1660 pos += scnprintf(buf + pos, bufsz - pos, 1661 fmt_table, "rx_enable_counter:", 1662 le32_to_cpu(general->rx_enable_counter), 1663 accum_general->rx_enable_counter, 1664 delta_general->rx_enable_counter, 1665 max_general->rx_enable_counter); 1666 pos += scnprintf(buf + pos, bufsz - pos, 1667 fmt_table, "num_of_sos_states:", 1668 le32_to_cpu(general->num_of_sos_states), 1669 accum_general->num_of_sos_states, 1670 delta_general->num_of_sos_states, 1671 max_general->num_of_sos_states); 1672 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1673 kfree(buf); 1674 return ret; 1675} 1676 1677static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1678 char __user *user_buf, 1679 size_t count, loff_t *ppos) 1680{ 1681 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1682 int pos = 0; 1683 char *buf; 1684 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1685 ssize_t ret; 1686 struct statistics_bt_activity *bt, *accum_bt; 1687 1688 if (!iwl_is_alive(priv->shrd)) 1689 return -EAGAIN; 1690 1691 if (!priv->bt_enable_flag) 1692 return -EINVAL; 1693 1694 /* make request to uCode to retrieve statistics information */ 1695 mutex_lock(&priv->shrd->mutex); 1696 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1697 mutex_unlock(&priv->shrd->mutex); 1698 1699 if (ret) { 1700 IWL_ERR(priv, 1701 "Error sending statistics request: %zd\n", ret); 1702 return -EAGAIN; 1703 } 1704 buf = kzalloc(bufsz, GFP_KERNEL); 1705 if (!buf) { 1706 IWL_ERR(priv, "Can not allocate Buffer\n"); 1707 return -ENOMEM; 1708 } 1709 1710 /* 1711 * the statistic information display here is based on 1712 * the last statistics notification from uCode 1713 * might not reflect the current uCode activity 1714 */ 1715 bt = &priv->statistics.bt_activity; 1716 accum_bt = &priv->accum_stats.bt_activity; 1717 1718 pos += iwl_statistics_flag(priv, buf, bufsz); 1719 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1720 pos += scnprintf(buf + pos, bufsz - pos, 1721 "\t\t\tcurrent\t\t\taccumulative\n"); 1722 pos += scnprintf(buf + pos, bufsz - pos, 1723 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1724 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1725 accum_bt->hi_priority_tx_req_cnt); 1726 pos += scnprintf(buf + pos, bufsz - pos, 1727 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1728 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1729 accum_bt->hi_priority_tx_denied_cnt); 1730 pos += scnprintf(buf + pos, bufsz - pos, 1731 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1732 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1733 accum_bt->lo_priority_tx_req_cnt); 1734 pos += scnprintf(buf + pos, bufsz - pos, 1735 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1736 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1737 accum_bt->lo_priority_tx_denied_cnt); 1738 pos += scnprintf(buf + pos, bufsz - pos, 1739 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1740 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1741 accum_bt->hi_priority_rx_req_cnt); 1742 pos += scnprintf(buf + pos, bufsz - pos, 1743 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1744 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1745 accum_bt->hi_priority_rx_denied_cnt); 1746 pos += scnprintf(buf + pos, bufsz - pos, 1747 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1748 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1749 accum_bt->lo_priority_rx_req_cnt); 1750 pos += scnprintf(buf + pos, bufsz - pos, 1751 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1752 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1753 accum_bt->lo_priority_rx_denied_cnt); 1754 1755 pos += scnprintf(buf + pos, bufsz - pos, 1756 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1757 le32_to_cpu(priv->statistics.num_bt_kills), 1758 priv->statistics.accum_num_bt_kills); 1759 1760 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1761 kfree(buf); 1762 return ret; 1763} 1764 1765static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1766 char __user *user_buf, 1767 size_t count, loff_t *ppos) 1768{ 1769 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1770 int pos = 0; 1771 char *buf; 1772 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1773 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1774 ssize_t ret; 1775 1776 if (!iwl_is_alive(priv->shrd)) 1777 return -EAGAIN; 1778 1779 buf = kzalloc(bufsz, GFP_KERNEL); 1780 if (!buf) { 1781 IWL_ERR(priv, "Can not allocate Buffer\n"); 1782 return -ENOMEM; 1783 } 1784 1785 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1786 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1787 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1788 priv->reply_tx_stats.pp_delay); 1789 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1790 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1791 priv->reply_tx_stats.pp_few_bytes); 1792 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1793 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1794 priv->reply_tx_stats.pp_bt_prio); 1795 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1796 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1797 priv->reply_tx_stats.pp_quiet_period); 1798 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1799 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1800 priv->reply_tx_stats.pp_calc_ttak); 1801 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1802 iwl_get_tx_fail_reason( 1803 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1804 priv->reply_tx_stats.int_crossed_retry); 1805 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1806 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1807 priv->reply_tx_stats.short_limit); 1808 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1809 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1810 priv->reply_tx_stats.long_limit); 1811 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1812 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1813 priv->reply_tx_stats.fifo_underrun); 1814 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1815 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1816 priv->reply_tx_stats.drain_flow); 1817 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1818 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1819 priv->reply_tx_stats.rfkill_flush); 1820 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1821 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1822 priv->reply_tx_stats.life_expire); 1823 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1824 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1825 priv->reply_tx_stats.dest_ps); 1826 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1827 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1828 priv->reply_tx_stats.host_abort); 1829 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1830 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1831 priv->reply_tx_stats.pp_delay); 1832 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1833 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1834 priv->reply_tx_stats.sta_invalid); 1835 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1836 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1837 priv->reply_tx_stats.frag_drop); 1838 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1839 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1840 priv->reply_tx_stats.tid_disable); 1841 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1842 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1843 priv->reply_tx_stats.fifo_flush); 1844 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1845 iwl_get_tx_fail_reason( 1846 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1847 priv->reply_tx_stats.insuff_cf_poll); 1848 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1849 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1850 priv->reply_tx_stats.fail_hw_drop); 1851 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1852 iwl_get_tx_fail_reason( 1853 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1854 priv->reply_tx_stats.sta_color_mismatch); 1855 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1856 priv->reply_tx_stats.unknown); 1857 1858 pos += scnprintf(buf + pos, bufsz - pos, 1859 "\nStatistics_Agg_TX_Error:\n"); 1860 1861 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1862 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1863 priv->reply_agg_tx_stats.underrun); 1864 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1865 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1866 priv->reply_agg_tx_stats.bt_prio); 1867 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1868 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1869 priv->reply_agg_tx_stats.few_bytes); 1870 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1871 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1872 priv->reply_agg_tx_stats.abort); 1873 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1874 iwl_get_agg_tx_fail_reason( 1875 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1876 priv->reply_agg_tx_stats.last_sent_ttl); 1877 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1878 iwl_get_agg_tx_fail_reason( 1879 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1880 priv->reply_agg_tx_stats.last_sent_try); 1881 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1882 iwl_get_agg_tx_fail_reason( 1883 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1884 priv->reply_agg_tx_stats.last_sent_bt_kill); 1885 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1886 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1887 priv->reply_agg_tx_stats.scd_query); 1888 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1889 iwl_get_agg_tx_fail_reason( 1890 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1891 priv->reply_agg_tx_stats.bad_crc32); 1892 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1893 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1894 priv->reply_agg_tx_stats.response); 1895 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1896 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1897 priv->reply_agg_tx_stats.dump_tx); 1898 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1899 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1900 priv->reply_agg_tx_stats.delay_tx); 1901 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1902 priv->reply_agg_tx_stats.unknown); 1903 1904 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1905 kfree(buf); 1906 return ret; 1907} 1908 1909static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1910 char __user *user_buf, 1911 size_t count, loff_t *ppos) { 1912 1913 struct iwl_priv *priv = file->private_data; 1914 int pos = 0; 1915 int cnt = 0; 1916 char *buf; 1917 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1918 ssize_t ret; 1919 struct iwl_sensitivity_data *data; 1920 1921 data = &priv->sensitivity_data; 1922 buf = kzalloc(bufsz, GFP_KERNEL); 1923 if (!buf) { 1924 IWL_ERR(priv, "Can not allocate Buffer\n"); 1925 return -ENOMEM; 1926 } 1927 1928 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1929 data->auto_corr_ofdm); 1930 pos += scnprintf(buf + pos, bufsz - pos, 1931 "auto_corr_ofdm_mrc:\t\t %u\n", 1932 data->auto_corr_ofdm_mrc); 1933 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1934 data->auto_corr_ofdm_x1); 1935 pos += scnprintf(buf + pos, bufsz - pos, 1936 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1937 data->auto_corr_ofdm_mrc_x1); 1938 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1939 data->auto_corr_cck); 1940 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1941 data->auto_corr_cck_mrc); 1942 pos += scnprintf(buf + pos, bufsz - pos, 1943 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1944 data->last_bad_plcp_cnt_ofdm); 1945 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1946 data->last_fa_cnt_ofdm); 1947 pos += scnprintf(buf + pos, bufsz - pos, 1948 "last_bad_plcp_cnt_cck:\t\t %u\n", 1949 data->last_bad_plcp_cnt_cck); 1950 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1951 data->last_fa_cnt_cck); 1952 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1953 data->nrg_curr_state); 1954 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1955 data->nrg_prev_state); 1956 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1957 for (cnt = 0; cnt < 10; cnt++) { 1958 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1959 data->nrg_value[cnt]); 1960 } 1961 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1962 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1963 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1964 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1965 data->nrg_silence_rssi[cnt]); 1966 } 1967 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1968 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1969 data->nrg_silence_ref); 1970 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1971 data->nrg_energy_idx); 1972 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1973 data->nrg_silence_idx); 1974 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1975 data->nrg_th_cck); 1976 pos += scnprintf(buf + pos, bufsz - pos, 1977 "nrg_auto_corr_silence_diff:\t %u\n", 1978 data->nrg_auto_corr_silence_diff); 1979 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1980 data->num_in_cck_no_fa); 1981 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1982 data->nrg_th_ofdm); 1983 1984 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1985 kfree(buf); 1986 return ret; 1987} 1988 1989 1990static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1991 char __user *user_buf, 1992 size_t count, loff_t *ppos) { 1993 1994 struct iwl_priv *priv = file->private_data; 1995 int pos = 0; 1996 int cnt = 0; 1997 char *buf; 1998 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1999 ssize_t ret; 2000 struct iwl_chain_noise_data *data; 2001 2002 data = &priv->chain_noise_data; 2003 buf = kzalloc(bufsz, GFP_KERNEL); 2004 if (!buf) { 2005 IWL_ERR(priv, "Can not allocate Buffer\n"); 2006 return -ENOMEM; 2007 } 2008 2009 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 2010 data->active_chains); 2011 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 2012 data->chain_noise_a); 2013 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 2014 data->chain_noise_b); 2015 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 2016 data->chain_noise_c); 2017 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 2018 data->chain_signal_a); 2019 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 2020 data->chain_signal_b); 2021 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 2022 data->chain_signal_c); 2023 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 2024 data->beacon_count); 2025 2026 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 2027 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2028 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2029 data->disconn_array[cnt]); 2030 } 2031 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2032 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 2033 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2034 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2035 data->delta_gain_code[cnt]); 2036 } 2037 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2038 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 2039 data->radio_write); 2040 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 2041 data->state); 2042 2043 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2044 kfree(buf); 2045 return ret; 2046} 2047 2048static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 2049 char __user *user_buf, 2050 size_t count, loff_t *ppos) 2051{ 2052 struct iwl_priv *priv = file->private_data; 2053 char buf[60]; 2054 int pos = 0; 2055 const size_t bufsz = sizeof(buf); 2056 u32 pwrsave_status; 2057 2058 pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) & 2059 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 2060 2061 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 2062 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 2063 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 2064 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 2065 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 2066 "error"); 2067 2068 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2069} 2070 2071static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 2072 const char __user *user_buf, 2073 size_t count, loff_t *ppos) 2074{ 2075 struct iwl_priv *priv = file->private_data; 2076 char buf[8]; 2077 int buf_size; 2078 int clear; 2079 2080 memset(buf, 0, sizeof(buf)); 2081 buf_size = min(count, sizeof(buf) - 1); 2082 if (copy_from_user(buf, user_buf, buf_size)) 2083 return -EFAULT; 2084 if (sscanf(buf, "%d", &clear) != 1) 2085 return -EFAULT; 2086 2087 /* make request to uCode to retrieve statistics information */ 2088 mutex_lock(&priv->shrd->mutex); 2089 iwl_send_statistics_request(priv, CMD_SYNC, true); 2090 mutex_unlock(&priv->shrd->mutex); 2091 2092 return count; 2093} 2094 2095static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 2096 char __user *user_buf, 2097 size_t count, loff_t *ppos) { 2098 2099 struct iwl_priv *priv = file->private_data; 2100 int pos = 0; 2101 char buf[128]; 2102 const size_t bufsz = sizeof(buf); 2103 2104 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 2105 priv->event_log.ucode_trace ? "On" : "Off"); 2106 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 2107 priv->event_log.non_wraps_count); 2108 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 2109 priv->event_log.wraps_once_count); 2110 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 2111 priv->event_log.wraps_more_count); 2112 2113 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2114} 2115 2116static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 2117 const char __user *user_buf, 2118 size_t count, loff_t *ppos) 2119{ 2120 struct iwl_priv *priv = file->private_data; 2121 char buf[8]; 2122 int buf_size; 2123 int trace; 2124 2125 memset(buf, 0, sizeof(buf)); 2126 buf_size = min(count, sizeof(buf) - 1); 2127 if (copy_from_user(buf, user_buf, buf_size)) 2128 return -EFAULT; 2129 if (sscanf(buf, "%d", &trace) != 1) 2130 return -EFAULT; 2131 2132 if (trace) { 2133 priv->event_log.ucode_trace = true; 2134 if (iwl_is_alive(priv->shrd)) { 2135 /* start collecting data now */ 2136 mod_timer(&priv->ucode_trace, jiffies); 2137 } 2138 } else { 2139 priv->event_log.ucode_trace = false; 2140 del_timer_sync(&priv->ucode_trace); 2141 } 2142 2143 return count; 2144} 2145 2146static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 2147 char __user *user_buf, 2148 size_t count, loff_t *ppos) { 2149 2150 struct iwl_priv *priv = file->private_data; 2151 int len = 0; 2152 char buf[20]; 2153 2154 len = sprintf(buf, "0x%04X\n", 2155 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 2156 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2157} 2158 2159static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 2160 char __user *user_buf, 2161 size_t count, loff_t *ppos) { 2162 2163 struct iwl_priv *priv = file->private_data; 2164 int len = 0; 2165 char buf[20]; 2166 2167 len = sprintf(buf, "0x%04X\n", 2168 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 2169 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2170} 2171 2172static ssize_t iwl_dbgfs_missed_beacon_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 pos = 0; 2178 char buf[12]; 2179 const size_t bufsz = sizeof(buf); 2180 2181 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 2182 priv->missed_beacon_threshold); 2183 2184 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2185} 2186 2187static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 2188 const char __user *user_buf, 2189 size_t count, loff_t *ppos) 2190{ 2191 struct iwl_priv *priv = file->private_data; 2192 char buf[8]; 2193 int buf_size; 2194 int missed; 2195 2196 memset(buf, 0, sizeof(buf)); 2197 buf_size = min(count, sizeof(buf) - 1); 2198 if (copy_from_user(buf, user_buf, buf_size)) 2199 return -EFAULT; 2200 if (sscanf(buf, "%d", &missed) != 1) 2201 return -EINVAL; 2202 2203 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 2204 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 2205 priv->missed_beacon_threshold = 2206 IWL_MISSED_BEACON_THRESHOLD_DEF; 2207 else 2208 priv->missed_beacon_threshold = missed; 2209 2210 return count; 2211} 2212 2213static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 2214 char __user *user_buf, 2215 size_t count, loff_t *ppos) { 2216 2217 struct iwl_priv *priv = file->private_data; 2218 int pos = 0; 2219 char buf[12]; 2220 const size_t bufsz = sizeof(buf); 2221 2222 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2223 cfg(priv)->base_params->plcp_delta_threshold); 2224 2225 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2226} 2227 2228static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2229 const char __user *user_buf, 2230 size_t count, loff_t *ppos) { 2231 2232 struct iwl_priv *priv = file->private_data; 2233 char buf[8]; 2234 int buf_size; 2235 int plcp; 2236 2237 memset(buf, 0, sizeof(buf)); 2238 buf_size = min(count, sizeof(buf) - 1); 2239 if (copy_from_user(buf, user_buf, buf_size)) 2240 return -EFAULT; 2241 if (sscanf(buf, "%d", &plcp) != 1) 2242 return -EINVAL; 2243 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2244 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2245 cfg(priv)->base_params->plcp_delta_threshold = 2246 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 2247 else 2248 cfg(priv)->base_params->plcp_delta_threshold = plcp; 2249 return count; 2250} 2251 2252static ssize_t iwl_dbgfs_force_reset_read(struct file *file, 2253 char __user *user_buf, 2254 size_t count, loff_t *ppos) 2255{ 2256 struct iwl_priv *priv = file->private_data; 2257 int i, pos = 0; 2258 char buf[300]; 2259 const size_t bufsz = sizeof(buf); 2260 struct iwl_force_reset *force_reset; 2261 2262 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { 2263 force_reset = &priv->force_reset[i]; 2264 pos += scnprintf(buf + pos, bufsz - pos, 2265 "Force reset method %d\n", i); 2266 pos += scnprintf(buf + pos, bufsz - pos, 2267 "\tnumber of reset request: %d\n", 2268 force_reset->reset_request_count); 2269 pos += scnprintf(buf + pos, bufsz - pos, 2270 "\tnumber of reset request success: %d\n", 2271 force_reset->reset_success_count); 2272 pos += scnprintf(buf + pos, bufsz - pos, 2273 "\tnumber of reset request reject: %d\n", 2274 force_reset->reset_reject_count); 2275 pos += scnprintf(buf + pos, bufsz - pos, 2276 "\treset duration: %lu\n", 2277 force_reset->reset_duration); 2278 } 2279 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2280} 2281 2282static ssize_t iwl_dbgfs_force_reset_write(struct file *file, 2283 const char __user *user_buf, 2284 size_t count, loff_t *ppos) { 2285 2286 struct iwl_priv *priv = file->private_data; 2287 char buf[8]; 2288 int buf_size; 2289 int reset, ret; 2290 2291 memset(buf, 0, sizeof(buf)); 2292 buf_size = min(count, sizeof(buf) - 1); 2293 if (copy_from_user(buf, user_buf, buf_size)) 2294 return -EFAULT; 2295 if (sscanf(buf, "%d", &reset) != 1) 2296 return -EINVAL; 2297 switch (reset) { 2298 case IWL_RF_RESET: 2299 case IWL_FW_RESET: 2300 ret = iwl_force_reset(priv, reset, true); 2301 break; 2302 default: 2303 return -EINVAL; 2304 } 2305 return ret ? ret : count; 2306} 2307 2308static ssize_t iwl_dbgfs_txfifo_flush_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 flush; 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", &flush) != 1) 2322 return -EINVAL; 2323 2324 if (iwl_is_rfkill(priv->shrd)) 2325 return -EFAULT; 2326 2327 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); 2328 2329 return count; 2330} 2331 2332static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file, 2333 const char __user *user_buf, 2334 size_t count, loff_t *ppos) 2335{ 2336 struct iwl_priv *priv = file->private_data; 2337 char buf[8]; 2338 int buf_size; 2339 int timeout; 2340 2341 memset(buf, 0, sizeof(buf)); 2342 buf_size = min(count, sizeof(buf) - 1); 2343 if (copy_from_user(buf, user_buf, buf_size)) 2344 return -EFAULT; 2345 if (sscanf(buf, "%d", &timeout) != 1) 2346 return -EINVAL; 2347 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT) 2348 timeout = IWL_DEF_WD_TIMEOUT; 2349 2350 cfg(priv)->base_params->wd_timeout = timeout; 2351 iwl_setup_watchdog(priv); 2352 return count; 2353} 2354 2355static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2356 char __user *user_buf, 2357 size_t count, loff_t *ppos) { 2358 2359 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2360 int pos = 0; 2361 char buf[200]; 2362 const size_t bufsz = sizeof(buf); 2363 2364 if (!priv->bt_enable_flag) { 2365 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2366 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2367 } 2368 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2369 priv->bt_enable_flag); 2370 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2371 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2372 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2373 "last traffic notif: %d\n", 2374 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2375 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2376 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2377 priv->bt_ch_announce, priv->kill_ack_mask, 2378 priv->kill_cts_mask); 2379 2380 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2381 switch (priv->bt_traffic_load) { 2382 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2383 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2384 break; 2385 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2386 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2387 break; 2388 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2389 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2390 break; 2391 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2392 default: 2393 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2394 break; 2395 } 2396 2397 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2398} 2399 2400static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2401 char __user *user_buf, 2402 size_t count, loff_t *ppos) 2403{ 2404 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2405 2406 int pos = 0; 2407 char buf[40]; 2408 const size_t bufsz = sizeof(buf); 2409 2410 if (cfg(priv)->ht_params) 2411 pos += scnprintf(buf + pos, bufsz - pos, 2412 "use %s for aggregation\n", 2413 (cfg(priv)->ht_params->use_rts_for_aggregation) ? 2414 "rts/cts" : "cts-to-self"); 2415 else 2416 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2417 2418 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2419} 2420 2421static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2422 const char __user *user_buf, 2423 size_t count, loff_t *ppos) { 2424 2425 struct iwl_priv *priv = file->private_data; 2426 char buf[8]; 2427 int buf_size; 2428 int rts; 2429 2430 if (!cfg(priv)->ht_params) 2431 return -EINVAL; 2432 2433 memset(buf, 0, sizeof(buf)); 2434 buf_size = min(count, sizeof(buf) - 1); 2435 if (copy_from_user(buf, user_buf, buf_size)) 2436 return -EFAULT; 2437 if (sscanf(buf, "%d", &rts) != 1) 2438 return -EINVAL; 2439 if (rts) 2440 cfg(priv)->ht_params->use_rts_for_aggregation = true; 2441 else 2442 cfg(priv)->ht_params->use_rts_for_aggregation = false; 2443 return count; 2444} 2445 2446static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2447 const char __user *user_buf, 2448 size_t count, loff_t *ppos) 2449{ 2450 struct iwl_priv *priv = file->private_data; 2451 char buf[8]; 2452 int buf_size; 2453 2454 memset(buf, 0, sizeof(buf)); 2455 buf_size = min(count, sizeof(buf) - 1); 2456 if (copy_from_user(buf, user_buf, buf_size)) 2457 return -EFAULT; 2458 2459 iwl_cmd_echo_test(priv); 2460 return count; 2461} 2462 2463DEBUGFS_READ_FILE_OPS(rx_statistics); 2464DEBUGFS_READ_FILE_OPS(tx_statistics); 2465DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 2466DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2467DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2468DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2469DEBUGFS_READ_FILE_OPS(sensitivity); 2470DEBUGFS_READ_FILE_OPS(chain_noise); 2471DEBUGFS_READ_FILE_OPS(power_save_status); 2472DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2473DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 2474DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2475DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2476DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2477DEBUGFS_READ_WRITE_FILE_OPS(force_reset); 2478DEBUGFS_READ_FILE_OPS(rxon_flags); 2479DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2480DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2481DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2482DEBUGFS_WRITE_FILE_OPS(wd_timeout); 2483DEBUGFS_READ_FILE_OPS(bt_traffic); 2484DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2485DEBUGFS_READ_FILE_OPS(reply_tx_error); 2486DEBUGFS_WRITE_FILE_OPS(echo_test); 2487 2488#ifdef CONFIG_IWLWIFI_DEBUG 2489static ssize_t iwl_dbgfs_debug_level_read(struct file *file, 2490 char __user *user_buf, 2491 size_t count, loff_t *ppos) 2492{ 2493 struct iwl_priv *priv = file->private_data; 2494 struct iwl_shared *shrd = priv->shrd; 2495 char buf[11]; 2496 int len; 2497 2498 len = scnprintf(buf, sizeof(buf), "0x%.8x", 2499 iwl_get_debug_level(shrd)); 2500 2501 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2502} 2503 2504static ssize_t iwl_dbgfs_debug_level_write(struct file *file, 2505 const char __user *user_buf, 2506 size_t count, loff_t *ppos) 2507{ 2508 struct iwl_priv *priv = file->private_data; 2509 struct iwl_shared *shrd = priv->shrd; 2510 char buf[11]; 2511 unsigned long val; 2512 int ret; 2513 2514 if (count > sizeof(buf)) 2515 return -EINVAL; 2516 2517 memset(buf, 0, sizeof(buf)); 2518 if (copy_from_user(buf, user_buf, count)) 2519 return -EFAULT; 2520 2521 ret = strict_strtoul(buf, 0, &val); 2522 if (ret) 2523 return ret; 2524 2525 shrd->dbg_level_dev = val; 2526 if (iwl_alloc_traffic_mem(priv)) 2527 IWL_ERR(priv, "Not enough memory to generate traffic log\n"); 2528 2529 return count; 2530} 2531DEBUGFS_READ_WRITE_FILE_OPS(debug_level); 2532#endif /* CONFIG_IWLWIFI_DEBUG */ 2533 2534/* 2535 * Create the debugfs files and directories 2536 * 2537 */ 2538int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 2539{ 2540 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 2541 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; 2542 2543 dir_drv = debugfs_create_dir(name, phyd); 2544 if (!dir_drv) 2545 return -ENOMEM; 2546 2547 priv->debugfs_dir = dir_drv; 2548 2549 dir_data = debugfs_create_dir("data", dir_drv); 2550 if (!dir_data) 2551 goto err; 2552 dir_rf = debugfs_create_dir("rf", dir_drv); 2553 if (!dir_rf) 2554 goto err; 2555 dir_debug = debugfs_create_dir("debug", dir_drv); 2556 if (!dir_debug) 2557 goto err; 2558 2559 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2560 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2561 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR); 2562 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2563 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2564 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2565 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR); 2566 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2567 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2568 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2569 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2570 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2571 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR); 2572 2573 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); 2574 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); 2575 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); 2576 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2577 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2578 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); 2579 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2580 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2581 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); 2582 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2583 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2584 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2585 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); 2586 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR); 2587 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2588 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2589 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2590 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR); 2591 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR); 2592 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); 2593 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); 2594 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); 2595 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); 2596 if (iwl_advanced_bt_coexist(priv)) 2597 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); 2598#ifdef CONFIG_IWLWIFI_DEBUG 2599 DEBUGFS_ADD_FILE(debug_level, dir_debug, S_IRUSR | S_IWUSR); 2600#endif 2601 2602 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, 2603 &priv->disable_sens_cal); 2604 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, 2605 &priv->disable_chain_noise_cal); 2606 2607 if (iwl_trans_dbgfs_register(trans(priv), dir_debug)) 2608 goto err; 2609 return 0; 2610 2611err: 2612 IWL_ERR(priv, "Can't create the debugfs directory\n"); 2613 iwl_dbgfs_unregister(priv); 2614 return -ENOMEM; 2615} 2616 2617/** 2618 * Remove the debugfs files and directories 2619 * 2620 */ 2621void iwl_dbgfs_unregister(struct iwl_priv *priv) 2622{ 2623 if (!priv->debugfs_dir) 2624 return; 2625 2626 debugfs_remove_recursive(priv->debugfs_dir); 2627 priv->debugfs_dir = NULL; 2628} 2629