iwl-debugfs.c revision 3d6acefc0a24bf90746c1f259e9d65d1ed7ea5e2
1/****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2011 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(bus(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(bus(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\ttxq_id\ttfds\trate_n_flags\n"); 376 377 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 378 tid_data = &priv->shrd->tid_data[i][j]; 379 pos += scnprintf(buf + pos, bufsz - pos, 380 "%d:\t%#x\t%#x\t%u\t%#x", 381 j, tid_data->seq_number, 382 tid_data->agg.txq_id, 383 tid_data->tfds_in_queue, 384 tid_data->agg.rate_n_flags); 385 386 if (tid_data->agg.wait_for_ba) 387 pos += scnprintf(buf + pos, bufsz - pos, 388 " - waitforba"); 389 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 390 } 391 392 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 393 } 394 395 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 396 kfree(buf); 397 return ret; 398} 399 400static ssize_t iwl_dbgfs_nvm_read(struct file *file, 401 char __user *user_buf, 402 size_t count, 403 loff_t *ppos) 404{ 405 ssize_t ret; 406 struct iwl_priv *priv = file->private_data; 407 int pos = 0, ofs = 0, buf_size = 0; 408 const u8 *ptr; 409 char *buf; 410 u16 eeprom_ver; 411 size_t eeprom_len = priv->cfg->base_params->eeprom_size; 412 buf_size = 4 * eeprom_len + 256; 413 414 if (eeprom_len % 16) { 415 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 416 return -ENODATA; 417 } 418 419 ptr = priv->eeprom; 420 if (!ptr) { 421 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 422 return -ENOMEM; 423 } 424 425 /* 4 characters for byte 0xYY */ 426 buf = kzalloc(buf_size, GFP_KERNEL); 427 if (!buf) { 428 IWL_ERR(priv, "Can not allocate Buffer\n"); 429 return -ENOMEM; 430 } 431 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); 432 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 433 "version: 0x%x\n", 434 (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) 435 ? "OTP" : "EEPROM", eeprom_ver); 436 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 437 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 438 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 439 buf_size - pos, 0); 440 pos += strlen(buf + pos); 441 if (buf_size - pos > 0) 442 buf[pos++] = '\n'; 443 } 444 445 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 446 kfree(buf); 447 return ret; 448} 449 450static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 451 size_t count, loff_t *ppos) 452{ 453 struct iwl_priv *priv = file->private_data; 454 struct ieee80211_channel *channels = NULL; 455 const struct ieee80211_supported_band *supp_band = NULL; 456 int pos = 0, i, bufsz = PAGE_SIZE; 457 char *buf; 458 ssize_t ret; 459 460 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)) 461 return -EAGAIN; 462 463 buf = kzalloc(bufsz, GFP_KERNEL); 464 if (!buf) { 465 IWL_ERR(priv, "Can not allocate Buffer\n"); 466 return -ENOMEM; 467 } 468 469 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 470 if (supp_band) { 471 channels = supp_band->channels; 472 473 pos += scnprintf(buf + pos, bufsz - pos, 474 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 475 supp_band->n_channels); 476 477 for (i = 0; i < supp_band->n_channels; i++) 478 pos += scnprintf(buf + pos, bufsz - pos, 479 "%d: %ddBm: BSS%s%s, %s.\n", 480 channels[i].hw_value, 481 channels[i].max_power, 482 channels[i].flags & IEEE80211_CHAN_RADAR ? 483 " (IEEE 802.11h required)" : "", 484 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 485 || (channels[i].flags & 486 IEEE80211_CHAN_RADAR)) ? "" : 487 ", IBSS", 488 channels[i].flags & 489 IEEE80211_CHAN_PASSIVE_SCAN ? 490 "passive only" : "active/passive"); 491 } 492 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 493 if (supp_band) { 494 channels = supp_band->channels; 495 496 pos += scnprintf(buf + pos, bufsz - pos, 497 "Displaying %d channels in 5.2GHz band (802.11a)\n", 498 supp_band->n_channels); 499 500 for (i = 0; i < supp_band->n_channels; i++) 501 pos += scnprintf(buf + pos, bufsz - pos, 502 "%d: %ddBm: BSS%s%s, %s.\n", 503 channels[i].hw_value, 504 channels[i].max_power, 505 channels[i].flags & IEEE80211_CHAN_RADAR ? 506 " (IEEE 802.11h required)" : "", 507 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 508 || (channels[i].flags & 509 IEEE80211_CHAN_RADAR)) ? "" : 510 ", IBSS", 511 channels[i].flags & 512 IEEE80211_CHAN_PASSIVE_SCAN ? 513 "passive only" : "active/passive"); 514 } 515 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 516 kfree(buf); 517 return ret; 518} 519 520static ssize_t iwl_dbgfs_status_read(struct file *file, 521 char __user *user_buf, 522 size_t count, loff_t *ppos) { 523 524 struct iwl_priv *priv = file->private_data; 525 char buf[512]; 526 int pos = 0; 527 const size_t bufsz = sizeof(buf); 528 529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 530 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status)); 531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 532 test_bit(STATUS_INT_ENABLED, &priv->shrd->status)); 533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 534 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); 535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 536 test_bit(STATUS_CT_KILL, &priv->shrd->status)); 537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 538 test_bit(STATUS_INIT, &priv->shrd->status)); 539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 540 test_bit(STATUS_ALIVE, &priv->shrd->status)); 541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 542 test_bit(STATUS_READY, &priv->shrd->status)); 543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 544 test_bit(STATUS_TEMPERATURE, &priv->shrd->status)); 545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 546 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)); 547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 548 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)); 549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 550 test_bit(STATUS_STATISTICS, &priv->shrd->status)); 551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 552 test_bit(STATUS_SCANNING, &priv->shrd->status)); 553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 554 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)); 555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 556 test_bit(STATUS_SCAN_HW, &priv->shrd->status)); 557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 558 test_bit(STATUS_POWER_PMI, &priv->shrd->status)); 559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 560 test_bit(STATUS_FW_ERROR, &priv->shrd->status)); 561 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 562} 563 564static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 565 char __user *user_buf, 566 size_t count, loff_t *ppos) { 567 568 struct iwl_priv *priv = file->private_data; 569 570 int pos = 0; 571 int cnt = 0; 572 char *buf; 573 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 574 ssize_t ret; 575 576 buf = kzalloc(bufsz, GFP_KERNEL); 577 if (!buf) { 578 IWL_ERR(priv, "Can not allocate Buffer\n"); 579 return -ENOMEM; 580 } 581 582 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 583 if (priv->rx_handlers_stats[cnt] > 0) 584 pos += scnprintf(buf + pos, bufsz - pos, 585 "\tRx handler[%36s]:\t\t %u\n", 586 get_cmd_string(cnt), 587 priv->rx_handlers_stats[cnt]); 588 } 589 590 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 591 kfree(buf); 592 return ret; 593} 594 595static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 596 const char __user *user_buf, 597 size_t count, loff_t *ppos) 598{ 599 struct iwl_priv *priv = file->private_data; 600 601 char buf[8]; 602 int buf_size; 603 u32 reset_flag; 604 605 memset(buf, 0, sizeof(buf)); 606 buf_size = min(count, sizeof(buf) - 1); 607 if (copy_from_user(buf, user_buf, buf_size)) 608 return -EFAULT; 609 if (sscanf(buf, "%x", &reset_flag) != 1) 610 return -EFAULT; 611 if (reset_flag == 0) 612 memset(&priv->rx_handlers_stats[0], 0, 613 sizeof(priv->rx_handlers_stats)); 614 615 return count; 616} 617 618static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 619 size_t count, loff_t *ppos) 620{ 621 struct iwl_priv *priv = file->private_data; 622 struct iwl_rxon_context *ctx; 623 int pos = 0, i; 624 char buf[256 * NUM_IWL_RXON_CTX]; 625 const size_t bufsz = sizeof(buf); 626 627 for_each_context(priv, ctx) { 628 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 629 ctx->ctxid); 630 for (i = 0; i < AC_NUM; i++) { 631 pos += scnprintf(buf + pos, bufsz - pos, 632 "\tcw_min\tcw_max\taifsn\ttxop\n"); 633 pos += scnprintf(buf + pos, bufsz - pos, 634 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 635 ctx->qos_data.def_qos_parm.ac[i].cw_min, 636 ctx->qos_data.def_qos_parm.ac[i].cw_max, 637 ctx->qos_data.def_qos_parm.ac[i].aifsn, 638 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 639 } 640 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 641 } 642 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 643} 644 645static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 646 char __user *user_buf, 647 size_t count, loff_t *ppos) 648{ 649 struct iwl_priv *priv = file->private_data; 650 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 651 struct iwl_tt_restriction *restriction; 652 char buf[100]; 653 int pos = 0; 654 const size_t bufsz = sizeof(buf); 655 656 pos += scnprintf(buf + pos, bufsz - pos, 657 "Thermal Throttling Mode: %s\n", 658 tt->advanced_tt ? "Advance" : "Legacy"); 659 pos += scnprintf(buf + pos, bufsz - pos, 660 "Thermal Throttling State: %d\n", 661 tt->state); 662 if (tt->advanced_tt) { 663 restriction = tt->restriction + tt->state; 664 pos += scnprintf(buf + pos, bufsz - pos, 665 "Tx mode: %d\n", 666 restriction->tx_stream); 667 pos += scnprintf(buf + pos, bufsz - pos, 668 "Rx mode: %d\n", 669 restriction->rx_stream); 670 pos += scnprintf(buf + pos, bufsz - pos, 671 "HT mode: %d\n", 672 restriction->is_ht); 673 } 674 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 675} 676 677static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 678 const char __user *user_buf, 679 size_t count, loff_t *ppos) 680{ 681 struct iwl_priv *priv = file->private_data; 682 char buf[8]; 683 int buf_size; 684 int ht40; 685 686 memset(buf, 0, sizeof(buf)); 687 buf_size = min(count, sizeof(buf) - 1); 688 if (copy_from_user(buf, user_buf, buf_size)) 689 return -EFAULT; 690 if (sscanf(buf, "%d", &ht40) != 1) 691 return -EFAULT; 692 if (!iwl_is_any_associated(priv)) 693 priv->disable_ht40 = ht40 ? true : false; 694 else { 695 IWL_ERR(priv, "Sta associated with AP - " 696 "Change to 40MHz channel support is not allowed\n"); 697 return -EINVAL; 698 } 699 700 return count; 701} 702 703static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 704 char __user *user_buf, 705 size_t count, loff_t *ppos) 706{ 707 struct iwl_priv *priv = file->private_data; 708 char buf[100]; 709 int pos = 0; 710 const size_t bufsz = sizeof(buf); 711 712 pos += scnprintf(buf + pos, bufsz - pos, 713 "11n 40MHz Mode: %s\n", 714 priv->disable_ht40 ? "Disabled" : "Enabled"); 715 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 716} 717 718static ssize_t iwl_dbgfs_temperature_read(struct file *file, 719 char __user *user_buf, 720 size_t count, loff_t *ppos) 721{ 722 struct iwl_priv *priv = file->private_data; 723 char buf[8]; 724 int pos = 0; 725 const size_t bufsz = sizeof(buf); 726 727 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 728 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 729} 730 731 732static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 733 const char __user *user_buf, 734 size_t count, loff_t *ppos) 735{ 736 struct iwl_priv *priv = file->private_data; 737 char buf[8]; 738 int buf_size; 739 int value; 740 741 memset(buf, 0, sizeof(buf)); 742 buf_size = min(count, sizeof(buf) - 1); 743 if (copy_from_user(buf, user_buf, buf_size)) 744 return -EFAULT; 745 746 if (sscanf(buf, "%d", &value) != 1) 747 return -EINVAL; 748 749 /* 750 * Our users expect 0 to be "CAM", but 0 isn't actually 751 * valid here. However, let's not confuse them and present 752 * IWL_POWER_INDEX_1 as "1", not "0". 753 */ 754 if (value == 0) 755 return -EINVAL; 756 else if (value > 0) 757 value -= 1; 758 759 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 760 return -EINVAL; 761 762 if (!iwl_is_ready_rf(priv->shrd)) 763 return -EAGAIN; 764 765 priv->power_data.debug_sleep_level_override = value; 766 767 mutex_lock(&priv->shrd->mutex); 768 iwl_power_update_mode(priv, true); 769 mutex_unlock(&priv->shrd->mutex); 770 771 return count; 772} 773 774static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 775 char __user *user_buf, 776 size_t count, loff_t *ppos) 777{ 778 struct iwl_priv *priv = file->private_data; 779 char buf[10]; 780 int pos, value; 781 const size_t bufsz = sizeof(buf); 782 783 /* see the write function */ 784 value = priv->power_data.debug_sleep_level_override; 785 if (value >= 0) 786 value += 1; 787 788 pos = scnprintf(buf, bufsz, "%d\n", value); 789 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 790} 791 792static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 793 char __user *user_buf, 794 size_t count, loff_t *ppos) 795{ 796 struct iwl_priv *priv = file->private_data; 797 char buf[200]; 798 int pos = 0, i; 799 const size_t bufsz = sizeof(buf); 800 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 801 802 pos += scnprintf(buf + pos, bufsz - pos, 803 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 804 pos += scnprintf(buf + pos, bufsz - pos, 805 "RX/TX timeout: %d/%d usec\n", 806 le32_to_cpu(cmd->rx_data_timeout), 807 le32_to_cpu(cmd->tx_data_timeout)); 808 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 809 pos += scnprintf(buf + pos, bufsz - pos, 810 "sleep_interval[%d]: %d\n", i, 811 le32_to_cpu(cmd->sleep_interval[i])); 812 813 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 814} 815 816DEBUGFS_READ_WRITE_FILE_OPS(sram); 817DEBUGFS_READ_FILE_OPS(wowlan_sram); 818DEBUGFS_READ_FILE_OPS(nvm); 819DEBUGFS_READ_FILE_OPS(stations); 820DEBUGFS_READ_FILE_OPS(channels); 821DEBUGFS_READ_FILE_OPS(status); 822DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 823DEBUGFS_READ_FILE_OPS(qos); 824DEBUGFS_READ_FILE_OPS(thermal_throttling); 825DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 826DEBUGFS_READ_FILE_OPS(temperature); 827DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 828DEBUGFS_READ_FILE_OPS(current_sleep_command); 829 830static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 831 char __user *user_buf, 832 size_t count, loff_t *ppos) 833{ 834 struct iwl_priv *priv = file->private_data; 835 int pos = 0, ofs = 0; 836 int cnt = 0, entry; 837 838 char *buf; 839 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 840 (hw_params(priv).max_txq_num * 32 * 8) + 400; 841 const u8 *ptr; 842 ssize_t ret; 843 844 buf = kzalloc(bufsz, GFP_KERNEL); 845 if (!buf) { 846 IWL_ERR(priv, "Can not allocate buffer\n"); 847 return -ENOMEM; 848 } 849 if (priv->tx_traffic && 850 (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) { 851 ptr = priv->tx_traffic; 852 pos += scnprintf(buf + pos, bufsz - pos, 853 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 854 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 855 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 856 entry++, ofs += 16) { 857 pos += scnprintf(buf + pos, bufsz - pos, 858 "0x%.4x ", ofs); 859 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 860 buf + pos, bufsz - pos, 0); 861 pos += strlen(buf + pos); 862 if (bufsz - pos > 0) 863 buf[pos++] = '\n'; 864 } 865 } 866 } 867 868 if (priv->rx_traffic && 869 (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) { 870 ptr = priv->rx_traffic; 871 pos += scnprintf(buf + pos, bufsz - pos, 872 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 873 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 874 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 875 entry++, ofs += 16) { 876 pos += scnprintf(buf + pos, bufsz - pos, 877 "0x%.4x ", ofs); 878 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 879 buf + pos, bufsz - pos, 0); 880 pos += strlen(buf + pos); 881 if (bufsz - pos > 0) 882 buf[pos++] = '\n'; 883 } 884 } 885 } 886 887 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 888 kfree(buf); 889 return ret; 890} 891 892static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 893 const char __user *user_buf, 894 size_t count, loff_t *ppos) 895{ 896 struct iwl_priv *priv = file->private_data; 897 char buf[8]; 898 int buf_size; 899 int traffic_log; 900 901 memset(buf, 0, sizeof(buf)); 902 buf_size = min(count, sizeof(buf) - 1); 903 if (copy_from_user(buf, user_buf, buf_size)) 904 return -EFAULT; 905 if (sscanf(buf, "%d", &traffic_log) != 1) 906 return -EFAULT; 907 if (traffic_log == 0) 908 iwl_reset_traffic_log(priv); 909 910 return count; 911} 912 913static const char *fmt_value = " %-30s %10u\n"; 914static const char *fmt_hex = " %-30s 0x%02X\n"; 915static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; 916static const char *fmt_header = 917 "%-32s current cumulative delta max\n"; 918 919static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 920{ 921 int p = 0; 922 u32 flag; 923 924 flag = le32_to_cpu(priv->statistics.flag); 925 926 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 927 if (flag & UCODE_STATISTICS_CLEAR_MSK) 928 p += scnprintf(buf + p, bufsz - p, 929 "\tStatistics have been cleared\n"); 930 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 931 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 932 ? "2.4 GHz" : "5.2 GHz"); 933 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 934 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 935 ? "enabled" : "disabled"); 936 937 return p; 938} 939 940static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 941 char __user *user_buf, 942 size_t count, loff_t *ppos) 943{ 944 struct iwl_priv *priv = file->private_data; 945 int pos = 0; 946 char *buf; 947 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 948 sizeof(struct statistics_rx_non_phy) * 40 + 949 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 950 ssize_t ret; 951 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 952 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 953 struct statistics_rx_non_phy *general, *accum_general; 954 struct statistics_rx_non_phy *delta_general, *max_general; 955 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 956 957 if (!iwl_is_alive(priv->shrd)) 958 return -EAGAIN; 959 960 buf = kzalloc(bufsz, GFP_KERNEL); 961 if (!buf) { 962 IWL_ERR(priv, "Can not allocate Buffer\n"); 963 return -ENOMEM; 964 } 965 966 /* 967 * the statistic information display here is based on 968 * the last statistics notification from uCode 969 * might not reflect the current uCode activity 970 */ 971 ofdm = &priv->statistics.rx_ofdm; 972 cck = &priv->statistics.rx_cck; 973 general = &priv->statistics.rx_non_phy; 974 ht = &priv->statistics.rx_ofdm_ht; 975 accum_ofdm = &priv->accum_stats.rx_ofdm; 976 accum_cck = &priv->accum_stats.rx_cck; 977 accum_general = &priv->accum_stats.rx_non_phy; 978 accum_ht = &priv->accum_stats.rx_ofdm_ht; 979 delta_ofdm = &priv->delta_stats.rx_ofdm; 980 delta_cck = &priv->delta_stats.rx_cck; 981 delta_general = &priv->delta_stats.rx_non_phy; 982 delta_ht = &priv->delta_stats.rx_ofdm_ht; 983 max_ofdm = &priv->max_delta_stats.rx_ofdm; 984 max_cck = &priv->max_delta_stats.rx_cck; 985 max_general = &priv->max_delta_stats.rx_non_phy; 986 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 987 988 pos += iwl_statistics_flag(priv, buf, bufsz); 989 pos += scnprintf(buf + pos, bufsz - pos, 990 fmt_header, "Statistics_Rx - OFDM:"); 991 pos += scnprintf(buf + pos, bufsz - pos, 992 fmt_table, "ina_cnt:", 993 le32_to_cpu(ofdm->ina_cnt), 994 accum_ofdm->ina_cnt, 995 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 996 pos += scnprintf(buf + pos, bufsz - pos, 997 fmt_table, "fina_cnt:", 998 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 999 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 1000 pos += scnprintf(buf + pos, bufsz - pos, 1001 fmt_table, "plcp_err:", 1002 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 1003 delta_ofdm->plcp_err, max_ofdm->plcp_err); 1004 pos += scnprintf(buf + pos, bufsz - pos, 1005 fmt_table, "crc32_err:", 1006 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 1007 delta_ofdm->crc32_err, max_ofdm->crc32_err); 1008 pos += scnprintf(buf + pos, bufsz - pos, 1009 fmt_table, "overrun_err:", 1010 le32_to_cpu(ofdm->overrun_err), 1011 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 1012 max_ofdm->overrun_err); 1013 pos += scnprintf(buf + pos, bufsz - pos, 1014 fmt_table, "early_overrun_err:", 1015 le32_to_cpu(ofdm->early_overrun_err), 1016 accum_ofdm->early_overrun_err, 1017 delta_ofdm->early_overrun_err, 1018 max_ofdm->early_overrun_err); 1019 pos += scnprintf(buf + pos, bufsz - pos, 1020 fmt_table, "crc32_good:", 1021 le32_to_cpu(ofdm->crc32_good), 1022 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 1023 max_ofdm->crc32_good); 1024 pos += scnprintf(buf + pos, bufsz - pos, 1025 fmt_table, "false_alarm_cnt:", 1026 le32_to_cpu(ofdm->false_alarm_cnt), 1027 accum_ofdm->false_alarm_cnt, 1028 delta_ofdm->false_alarm_cnt, 1029 max_ofdm->false_alarm_cnt); 1030 pos += scnprintf(buf + pos, bufsz - pos, 1031 fmt_table, "fina_sync_err_cnt:", 1032 le32_to_cpu(ofdm->fina_sync_err_cnt), 1033 accum_ofdm->fina_sync_err_cnt, 1034 delta_ofdm->fina_sync_err_cnt, 1035 max_ofdm->fina_sync_err_cnt); 1036 pos += scnprintf(buf + pos, bufsz - pos, 1037 fmt_table, "sfd_timeout:", 1038 le32_to_cpu(ofdm->sfd_timeout), 1039 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 1040 max_ofdm->sfd_timeout); 1041 pos += scnprintf(buf + pos, bufsz - pos, 1042 fmt_table, "fina_timeout:", 1043 le32_to_cpu(ofdm->fina_timeout), 1044 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 1045 max_ofdm->fina_timeout); 1046 pos += scnprintf(buf + pos, bufsz - pos, 1047 fmt_table, "unresponded_rts:", 1048 le32_to_cpu(ofdm->unresponded_rts), 1049 accum_ofdm->unresponded_rts, 1050 delta_ofdm->unresponded_rts, 1051 max_ofdm->unresponded_rts); 1052 pos += scnprintf(buf + pos, bufsz - pos, 1053 fmt_table, "rxe_frame_lmt_ovrun:", 1054 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1055 accum_ofdm->rxe_frame_limit_overrun, 1056 delta_ofdm->rxe_frame_limit_overrun, 1057 max_ofdm->rxe_frame_limit_overrun); 1058 pos += scnprintf(buf + pos, bufsz - pos, 1059 fmt_table, "sent_ack_cnt:", 1060 le32_to_cpu(ofdm->sent_ack_cnt), 1061 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 1062 max_ofdm->sent_ack_cnt); 1063 pos += scnprintf(buf + pos, bufsz - pos, 1064 fmt_table, "sent_cts_cnt:", 1065 le32_to_cpu(ofdm->sent_cts_cnt), 1066 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 1067 max_ofdm->sent_cts_cnt); 1068 pos += scnprintf(buf + pos, bufsz - pos, 1069 fmt_table, "sent_ba_rsp_cnt:", 1070 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1071 accum_ofdm->sent_ba_rsp_cnt, 1072 delta_ofdm->sent_ba_rsp_cnt, 1073 max_ofdm->sent_ba_rsp_cnt); 1074 pos += scnprintf(buf + pos, bufsz - pos, 1075 fmt_table, "dsp_self_kill:", 1076 le32_to_cpu(ofdm->dsp_self_kill), 1077 accum_ofdm->dsp_self_kill, 1078 delta_ofdm->dsp_self_kill, 1079 max_ofdm->dsp_self_kill); 1080 pos += scnprintf(buf + pos, bufsz - pos, 1081 fmt_table, "mh_format_err:", 1082 le32_to_cpu(ofdm->mh_format_err), 1083 accum_ofdm->mh_format_err, 1084 delta_ofdm->mh_format_err, 1085 max_ofdm->mh_format_err); 1086 pos += scnprintf(buf + pos, bufsz - pos, 1087 fmt_table, "re_acq_main_rssi_sum:", 1088 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1089 accum_ofdm->re_acq_main_rssi_sum, 1090 delta_ofdm->re_acq_main_rssi_sum, 1091 max_ofdm->re_acq_main_rssi_sum); 1092 1093 pos += scnprintf(buf + pos, bufsz - pos, 1094 fmt_header, "Statistics_Rx - CCK:"); 1095 pos += scnprintf(buf + pos, bufsz - pos, 1096 fmt_table, "ina_cnt:", 1097 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 1098 delta_cck->ina_cnt, max_cck->ina_cnt); 1099 pos += scnprintf(buf + pos, bufsz - pos, 1100 fmt_table, "fina_cnt:", 1101 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 1102 delta_cck->fina_cnt, max_cck->fina_cnt); 1103 pos += scnprintf(buf + pos, bufsz - pos, 1104 fmt_table, "plcp_err:", 1105 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 1106 delta_cck->plcp_err, max_cck->plcp_err); 1107 pos += scnprintf(buf + pos, bufsz - pos, 1108 fmt_table, "crc32_err:", 1109 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 1110 delta_cck->crc32_err, max_cck->crc32_err); 1111 pos += scnprintf(buf + pos, bufsz - pos, 1112 fmt_table, "overrun_err:", 1113 le32_to_cpu(cck->overrun_err), 1114 accum_cck->overrun_err, delta_cck->overrun_err, 1115 max_cck->overrun_err); 1116 pos += scnprintf(buf + pos, bufsz - pos, 1117 fmt_table, "early_overrun_err:", 1118 le32_to_cpu(cck->early_overrun_err), 1119 accum_cck->early_overrun_err, 1120 delta_cck->early_overrun_err, 1121 max_cck->early_overrun_err); 1122 pos += scnprintf(buf + pos, bufsz - pos, 1123 fmt_table, "crc32_good:", 1124 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 1125 delta_cck->crc32_good, max_cck->crc32_good); 1126 pos += scnprintf(buf + pos, bufsz - pos, 1127 fmt_table, "false_alarm_cnt:", 1128 le32_to_cpu(cck->false_alarm_cnt), 1129 accum_cck->false_alarm_cnt, 1130 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 1131 pos += scnprintf(buf + pos, bufsz - pos, 1132 fmt_table, "fina_sync_err_cnt:", 1133 le32_to_cpu(cck->fina_sync_err_cnt), 1134 accum_cck->fina_sync_err_cnt, 1135 delta_cck->fina_sync_err_cnt, 1136 max_cck->fina_sync_err_cnt); 1137 pos += scnprintf(buf + pos, bufsz - pos, 1138 fmt_table, "sfd_timeout:", 1139 le32_to_cpu(cck->sfd_timeout), 1140 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 1141 max_cck->sfd_timeout); 1142 pos += scnprintf(buf + pos, bufsz - pos, 1143 fmt_table, "fina_timeout:", 1144 le32_to_cpu(cck->fina_timeout), 1145 accum_cck->fina_timeout, delta_cck->fina_timeout, 1146 max_cck->fina_timeout); 1147 pos += scnprintf(buf + pos, bufsz - pos, 1148 fmt_table, "unresponded_rts:", 1149 le32_to_cpu(cck->unresponded_rts), 1150 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 1151 max_cck->unresponded_rts); 1152 pos += scnprintf(buf + pos, bufsz - pos, 1153 fmt_table, "rxe_frame_lmt_ovrun:", 1154 le32_to_cpu(cck->rxe_frame_limit_overrun), 1155 accum_cck->rxe_frame_limit_overrun, 1156 delta_cck->rxe_frame_limit_overrun, 1157 max_cck->rxe_frame_limit_overrun); 1158 pos += scnprintf(buf + pos, bufsz - pos, 1159 fmt_table, "sent_ack_cnt:", 1160 le32_to_cpu(cck->sent_ack_cnt), 1161 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 1162 max_cck->sent_ack_cnt); 1163 pos += scnprintf(buf + pos, bufsz - pos, 1164 fmt_table, "sent_cts_cnt:", 1165 le32_to_cpu(cck->sent_cts_cnt), 1166 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 1167 max_cck->sent_cts_cnt); 1168 pos += scnprintf(buf + pos, bufsz - pos, 1169 fmt_table, "sent_ba_rsp_cnt:", 1170 le32_to_cpu(cck->sent_ba_rsp_cnt), 1171 accum_cck->sent_ba_rsp_cnt, 1172 delta_cck->sent_ba_rsp_cnt, 1173 max_cck->sent_ba_rsp_cnt); 1174 pos += scnprintf(buf + pos, bufsz - pos, 1175 fmt_table, "dsp_self_kill:", 1176 le32_to_cpu(cck->dsp_self_kill), 1177 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 1178 max_cck->dsp_self_kill); 1179 pos += scnprintf(buf + pos, bufsz - pos, 1180 fmt_table, "mh_format_err:", 1181 le32_to_cpu(cck->mh_format_err), 1182 accum_cck->mh_format_err, delta_cck->mh_format_err, 1183 max_cck->mh_format_err); 1184 pos += scnprintf(buf + pos, bufsz - pos, 1185 fmt_table, "re_acq_main_rssi_sum:", 1186 le32_to_cpu(cck->re_acq_main_rssi_sum), 1187 accum_cck->re_acq_main_rssi_sum, 1188 delta_cck->re_acq_main_rssi_sum, 1189 max_cck->re_acq_main_rssi_sum); 1190 1191 pos += scnprintf(buf + pos, bufsz - pos, 1192 fmt_header, "Statistics_Rx - GENERAL:"); 1193 pos += scnprintf(buf + pos, bufsz - pos, 1194 fmt_table, "bogus_cts:", 1195 le32_to_cpu(general->bogus_cts), 1196 accum_general->bogus_cts, delta_general->bogus_cts, 1197 max_general->bogus_cts); 1198 pos += scnprintf(buf + pos, bufsz - pos, 1199 fmt_table, "bogus_ack:", 1200 le32_to_cpu(general->bogus_ack), 1201 accum_general->bogus_ack, delta_general->bogus_ack, 1202 max_general->bogus_ack); 1203 pos += scnprintf(buf + pos, bufsz - pos, 1204 fmt_table, "non_bssid_frames:", 1205 le32_to_cpu(general->non_bssid_frames), 1206 accum_general->non_bssid_frames, 1207 delta_general->non_bssid_frames, 1208 max_general->non_bssid_frames); 1209 pos += scnprintf(buf + pos, bufsz - pos, 1210 fmt_table, "filtered_frames:", 1211 le32_to_cpu(general->filtered_frames), 1212 accum_general->filtered_frames, 1213 delta_general->filtered_frames, 1214 max_general->filtered_frames); 1215 pos += scnprintf(buf + pos, bufsz - pos, 1216 fmt_table, "non_channel_beacons:", 1217 le32_to_cpu(general->non_channel_beacons), 1218 accum_general->non_channel_beacons, 1219 delta_general->non_channel_beacons, 1220 max_general->non_channel_beacons); 1221 pos += scnprintf(buf + pos, bufsz - pos, 1222 fmt_table, "channel_beacons:", 1223 le32_to_cpu(general->channel_beacons), 1224 accum_general->channel_beacons, 1225 delta_general->channel_beacons, 1226 max_general->channel_beacons); 1227 pos += scnprintf(buf + pos, bufsz - pos, 1228 fmt_table, "num_missed_bcon:", 1229 le32_to_cpu(general->num_missed_bcon), 1230 accum_general->num_missed_bcon, 1231 delta_general->num_missed_bcon, 1232 max_general->num_missed_bcon); 1233 pos += scnprintf(buf + pos, bufsz - pos, 1234 fmt_table, "adc_rx_saturation_time:", 1235 le32_to_cpu(general->adc_rx_saturation_time), 1236 accum_general->adc_rx_saturation_time, 1237 delta_general->adc_rx_saturation_time, 1238 max_general->adc_rx_saturation_time); 1239 pos += scnprintf(buf + pos, bufsz - pos, 1240 fmt_table, "ina_detect_search_tm:", 1241 le32_to_cpu(general->ina_detection_search_time), 1242 accum_general->ina_detection_search_time, 1243 delta_general->ina_detection_search_time, 1244 max_general->ina_detection_search_time); 1245 pos += scnprintf(buf + pos, bufsz - pos, 1246 fmt_table, "beacon_silence_rssi_a:", 1247 le32_to_cpu(general->beacon_silence_rssi_a), 1248 accum_general->beacon_silence_rssi_a, 1249 delta_general->beacon_silence_rssi_a, 1250 max_general->beacon_silence_rssi_a); 1251 pos += scnprintf(buf + pos, bufsz - pos, 1252 fmt_table, "beacon_silence_rssi_b:", 1253 le32_to_cpu(general->beacon_silence_rssi_b), 1254 accum_general->beacon_silence_rssi_b, 1255 delta_general->beacon_silence_rssi_b, 1256 max_general->beacon_silence_rssi_b); 1257 pos += scnprintf(buf + pos, bufsz - pos, 1258 fmt_table, "beacon_silence_rssi_c:", 1259 le32_to_cpu(general->beacon_silence_rssi_c), 1260 accum_general->beacon_silence_rssi_c, 1261 delta_general->beacon_silence_rssi_c, 1262 max_general->beacon_silence_rssi_c); 1263 pos += scnprintf(buf + pos, bufsz - pos, 1264 fmt_table, "interference_data_flag:", 1265 le32_to_cpu(general->interference_data_flag), 1266 accum_general->interference_data_flag, 1267 delta_general->interference_data_flag, 1268 max_general->interference_data_flag); 1269 pos += scnprintf(buf + pos, bufsz - pos, 1270 fmt_table, "channel_load:", 1271 le32_to_cpu(general->channel_load), 1272 accum_general->channel_load, 1273 delta_general->channel_load, 1274 max_general->channel_load); 1275 pos += scnprintf(buf + pos, bufsz - pos, 1276 fmt_table, "dsp_false_alarms:", 1277 le32_to_cpu(general->dsp_false_alarms), 1278 accum_general->dsp_false_alarms, 1279 delta_general->dsp_false_alarms, 1280 max_general->dsp_false_alarms); 1281 pos += scnprintf(buf + pos, bufsz - pos, 1282 fmt_table, "beacon_rssi_a:", 1283 le32_to_cpu(general->beacon_rssi_a), 1284 accum_general->beacon_rssi_a, 1285 delta_general->beacon_rssi_a, 1286 max_general->beacon_rssi_a); 1287 pos += scnprintf(buf + pos, bufsz - pos, 1288 fmt_table, "beacon_rssi_b:", 1289 le32_to_cpu(general->beacon_rssi_b), 1290 accum_general->beacon_rssi_b, 1291 delta_general->beacon_rssi_b, 1292 max_general->beacon_rssi_b); 1293 pos += scnprintf(buf + pos, bufsz - pos, 1294 fmt_table, "beacon_rssi_c:", 1295 le32_to_cpu(general->beacon_rssi_c), 1296 accum_general->beacon_rssi_c, 1297 delta_general->beacon_rssi_c, 1298 max_general->beacon_rssi_c); 1299 pos += scnprintf(buf + pos, bufsz - pos, 1300 fmt_table, "beacon_energy_a:", 1301 le32_to_cpu(general->beacon_energy_a), 1302 accum_general->beacon_energy_a, 1303 delta_general->beacon_energy_a, 1304 max_general->beacon_energy_a); 1305 pos += scnprintf(buf + pos, bufsz - pos, 1306 fmt_table, "beacon_energy_b:", 1307 le32_to_cpu(general->beacon_energy_b), 1308 accum_general->beacon_energy_b, 1309 delta_general->beacon_energy_b, 1310 max_general->beacon_energy_b); 1311 pos += scnprintf(buf + pos, bufsz - pos, 1312 fmt_table, "beacon_energy_c:", 1313 le32_to_cpu(general->beacon_energy_c), 1314 accum_general->beacon_energy_c, 1315 delta_general->beacon_energy_c, 1316 max_general->beacon_energy_c); 1317 1318 pos += scnprintf(buf + pos, bufsz - pos, 1319 fmt_header, "Statistics_Rx - OFDM_HT:"); 1320 pos += scnprintf(buf + pos, bufsz - pos, 1321 fmt_table, "plcp_err:", 1322 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1323 delta_ht->plcp_err, max_ht->plcp_err); 1324 pos += scnprintf(buf + pos, bufsz - pos, 1325 fmt_table, "overrun_err:", 1326 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1327 delta_ht->overrun_err, max_ht->overrun_err); 1328 pos += scnprintf(buf + pos, bufsz - pos, 1329 fmt_table, "early_overrun_err:", 1330 le32_to_cpu(ht->early_overrun_err), 1331 accum_ht->early_overrun_err, 1332 delta_ht->early_overrun_err, 1333 max_ht->early_overrun_err); 1334 pos += scnprintf(buf + pos, bufsz - pos, 1335 fmt_table, "crc32_good:", 1336 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1337 delta_ht->crc32_good, max_ht->crc32_good); 1338 pos += scnprintf(buf + pos, bufsz - pos, 1339 fmt_table, "crc32_err:", 1340 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1341 delta_ht->crc32_err, max_ht->crc32_err); 1342 pos += scnprintf(buf + pos, bufsz - pos, 1343 fmt_table, "mh_format_err:", 1344 le32_to_cpu(ht->mh_format_err), 1345 accum_ht->mh_format_err, 1346 delta_ht->mh_format_err, max_ht->mh_format_err); 1347 pos += scnprintf(buf + pos, bufsz - pos, 1348 fmt_table, "agg_crc32_good:", 1349 le32_to_cpu(ht->agg_crc32_good), 1350 accum_ht->agg_crc32_good, 1351 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1352 pos += scnprintf(buf + pos, bufsz - pos, 1353 fmt_table, "agg_mpdu_cnt:", 1354 le32_to_cpu(ht->agg_mpdu_cnt), 1355 accum_ht->agg_mpdu_cnt, 1356 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1357 pos += scnprintf(buf + pos, bufsz - pos, 1358 fmt_table, "agg_cnt:", 1359 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1360 delta_ht->agg_cnt, max_ht->agg_cnt); 1361 pos += scnprintf(buf + pos, bufsz - pos, 1362 fmt_table, "unsupport_mcs:", 1363 le32_to_cpu(ht->unsupport_mcs), 1364 accum_ht->unsupport_mcs, 1365 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1366 1367 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1368 kfree(buf); 1369 return ret; 1370} 1371 1372static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1373 char __user *user_buf, 1374 size_t count, loff_t *ppos) 1375{ 1376 struct iwl_priv *priv = file->private_data; 1377 int pos = 0; 1378 char *buf; 1379 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1380 ssize_t ret; 1381 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1382 1383 if (!iwl_is_alive(priv->shrd)) 1384 return -EAGAIN; 1385 1386 buf = kzalloc(bufsz, GFP_KERNEL); 1387 if (!buf) { 1388 IWL_ERR(priv, "Can not allocate Buffer\n"); 1389 return -ENOMEM; 1390 } 1391 1392 /* the statistic information display here is based on 1393 * the last statistics notification from uCode 1394 * might not reflect the current uCode activity 1395 */ 1396 tx = &priv->statistics.tx; 1397 accum_tx = &priv->accum_stats.tx; 1398 delta_tx = &priv->delta_stats.tx; 1399 max_tx = &priv->max_delta_stats.tx; 1400 1401 pos += iwl_statistics_flag(priv, buf, bufsz); 1402 pos += scnprintf(buf + pos, bufsz - pos, 1403 fmt_header, "Statistics_Tx:"); 1404 pos += scnprintf(buf + pos, bufsz - pos, 1405 fmt_table, "preamble:", 1406 le32_to_cpu(tx->preamble_cnt), 1407 accum_tx->preamble_cnt, 1408 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1409 pos += scnprintf(buf + pos, bufsz - pos, 1410 fmt_table, "rx_detected_cnt:", 1411 le32_to_cpu(tx->rx_detected_cnt), 1412 accum_tx->rx_detected_cnt, 1413 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1414 pos += scnprintf(buf + pos, bufsz - pos, 1415 fmt_table, "bt_prio_defer_cnt:", 1416 le32_to_cpu(tx->bt_prio_defer_cnt), 1417 accum_tx->bt_prio_defer_cnt, 1418 delta_tx->bt_prio_defer_cnt, 1419 max_tx->bt_prio_defer_cnt); 1420 pos += scnprintf(buf + pos, bufsz - pos, 1421 fmt_table, "bt_prio_kill_cnt:", 1422 le32_to_cpu(tx->bt_prio_kill_cnt), 1423 accum_tx->bt_prio_kill_cnt, 1424 delta_tx->bt_prio_kill_cnt, 1425 max_tx->bt_prio_kill_cnt); 1426 pos += scnprintf(buf + pos, bufsz - pos, 1427 fmt_table, "few_bytes_cnt:", 1428 le32_to_cpu(tx->few_bytes_cnt), 1429 accum_tx->few_bytes_cnt, 1430 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1431 pos += scnprintf(buf + pos, bufsz - pos, 1432 fmt_table, "cts_timeout:", 1433 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1434 delta_tx->cts_timeout, max_tx->cts_timeout); 1435 pos += scnprintf(buf + pos, bufsz - pos, 1436 fmt_table, "ack_timeout:", 1437 le32_to_cpu(tx->ack_timeout), 1438 accum_tx->ack_timeout, 1439 delta_tx->ack_timeout, max_tx->ack_timeout); 1440 pos += scnprintf(buf + pos, bufsz - pos, 1441 fmt_table, "expected_ack_cnt:", 1442 le32_to_cpu(tx->expected_ack_cnt), 1443 accum_tx->expected_ack_cnt, 1444 delta_tx->expected_ack_cnt, 1445 max_tx->expected_ack_cnt); 1446 pos += scnprintf(buf + pos, bufsz - pos, 1447 fmt_table, "actual_ack_cnt:", 1448 le32_to_cpu(tx->actual_ack_cnt), 1449 accum_tx->actual_ack_cnt, 1450 delta_tx->actual_ack_cnt, 1451 max_tx->actual_ack_cnt); 1452 pos += scnprintf(buf + pos, bufsz - pos, 1453 fmt_table, "dump_msdu_cnt:", 1454 le32_to_cpu(tx->dump_msdu_cnt), 1455 accum_tx->dump_msdu_cnt, 1456 delta_tx->dump_msdu_cnt, 1457 max_tx->dump_msdu_cnt); 1458 pos += scnprintf(buf + pos, bufsz - pos, 1459 fmt_table, "abort_nxt_frame_mismatch:", 1460 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1461 accum_tx->burst_abort_next_frame_mismatch_cnt, 1462 delta_tx->burst_abort_next_frame_mismatch_cnt, 1463 max_tx->burst_abort_next_frame_mismatch_cnt); 1464 pos += scnprintf(buf + pos, bufsz - pos, 1465 fmt_table, "abort_missing_nxt_frame:", 1466 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1467 accum_tx->burst_abort_missing_next_frame_cnt, 1468 delta_tx->burst_abort_missing_next_frame_cnt, 1469 max_tx->burst_abort_missing_next_frame_cnt); 1470 pos += scnprintf(buf + pos, bufsz - pos, 1471 fmt_table, "cts_timeout_collision:", 1472 le32_to_cpu(tx->cts_timeout_collision), 1473 accum_tx->cts_timeout_collision, 1474 delta_tx->cts_timeout_collision, 1475 max_tx->cts_timeout_collision); 1476 pos += scnprintf(buf + pos, bufsz - pos, 1477 fmt_table, "ack_ba_timeout_collision:", 1478 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1479 accum_tx->ack_or_ba_timeout_collision, 1480 delta_tx->ack_or_ba_timeout_collision, 1481 max_tx->ack_or_ba_timeout_collision); 1482 pos += scnprintf(buf + pos, bufsz - pos, 1483 fmt_table, "agg ba_timeout:", 1484 le32_to_cpu(tx->agg.ba_timeout), 1485 accum_tx->agg.ba_timeout, 1486 delta_tx->agg.ba_timeout, 1487 max_tx->agg.ba_timeout); 1488 pos += scnprintf(buf + pos, bufsz - pos, 1489 fmt_table, "agg ba_resched_frames:", 1490 le32_to_cpu(tx->agg.ba_reschedule_frames), 1491 accum_tx->agg.ba_reschedule_frames, 1492 delta_tx->agg.ba_reschedule_frames, 1493 max_tx->agg.ba_reschedule_frames); 1494 pos += scnprintf(buf + pos, bufsz - pos, 1495 fmt_table, "agg scd_query_agg_frame:", 1496 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1497 accum_tx->agg.scd_query_agg_frame_cnt, 1498 delta_tx->agg.scd_query_agg_frame_cnt, 1499 max_tx->agg.scd_query_agg_frame_cnt); 1500 pos += scnprintf(buf + pos, bufsz - pos, 1501 fmt_table, "agg scd_query_no_agg:", 1502 le32_to_cpu(tx->agg.scd_query_no_agg), 1503 accum_tx->agg.scd_query_no_agg, 1504 delta_tx->agg.scd_query_no_agg, 1505 max_tx->agg.scd_query_no_agg); 1506 pos += scnprintf(buf + pos, bufsz - pos, 1507 fmt_table, "agg scd_query_agg:", 1508 le32_to_cpu(tx->agg.scd_query_agg), 1509 accum_tx->agg.scd_query_agg, 1510 delta_tx->agg.scd_query_agg, 1511 max_tx->agg.scd_query_agg); 1512 pos += scnprintf(buf + pos, bufsz - pos, 1513 fmt_table, "agg scd_query_mismatch:", 1514 le32_to_cpu(tx->agg.scd_query_mismatch), 1515 accum_tx->agg.scd_query_mismatch, 1516 delta_tx->agg.scd_query_mismatch, 1517 max_tx->agg.scd_query_mismatch); 1518 pos += scnprintf(buf + pos, bufsz - pos, 1519 fmt_table, "agg frame_not_ready:", 1520 le32_to_cpu(tx->agg.frame_not_ready), 1521 accum_tx->agg.frame_not_ready, 1522 delta_tx->agg.frame_not_ready, 1523 max_tx->agg.frame_not_ready); 1524 pos += scnprintf(buf + pos, bufsz - pos, 1525 fmt_table, "agg underrun:", 1526 le32_to_cpu(tx->agg.underrun), 1527 accum_tx->agg.underrun, 1528 delta_tx->agg.underrun, max_tx->agg.underrun); 1529 pos += scnprintf(buf + pos, bufsz - pos, 1530 fmt_table, "agg bt_prio_kill:", 1531 le32_to_cpu(tx->agg.bt_prio_kill), 1532 accum_tx->agg.bt_prio_kill, 1533 delta_tx->agg.bt_prio_kill, 1534 max_tx->agg.bt_prio_kill); 1535 pos += scnprintf(buf + pos, bufsz - pos, 1536 fmt_table, "agg rx_ba_rsp_cnt:", 1537 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1538 accum_tx->agg.rx_ba_rsp_cnt, 1539 delta_tx->agg.rx_ba_rsp_cnt, 1540 max_tx->agg.rx_ba_rsp_cnt); 1541 1542 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1543 pos += scnprintf(buf + pos, bufsz - pos, 1544 "tx power: (1/2 dB step)\n"); 1545 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a) 1546 pos += scnprintf(buf + pos, bufsz - pos, 1547 fmt_hex, "antenna A:", 1548 tx->tx_power.ant_a); 1549 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b) 1550 pos += scnprintf(buf + pos, bufsz - pos, 1551 fmt_hex, "antenna B:", 1552 tx->tx_power.ant_b); 1553 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c) 1554 pos += scnprintf(buf + pos, bufsz - pos, 1555 fmt_hex, "antenna C:", 1556 tx->tx_power.ant_c); 1557 } 1558 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1559 kfree(buf); 1560 return ret; 1561} 1562 1563static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1564 char __user *user_buf, 1565 size_t count, loff_t *ppos) 1566{ 1567 struct iwl_priv *priv = file->private_data; 1568 int pos = 0; 1569 char *buf; 1570 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1571 ssize_t ret; 1572 struct statistics_general_common *general, *accum_general; 1573 struct statistics_general_common *delta_general, *max_general; 1574 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1575 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1576 1577 if (!iwl_is_alive(priv->shrd)) 1578 return -EAGAIN; 1579 1580 buf = kzalloc(bufsz, GFP_KERNEL); 1581 if (!buf) { 1582 IWL_ERR(priv, "Can not allocate Buffer\n"); 1583 return -ENOMEM; 1584 } 1585 1586 /* the statistic information display here is based on 1587 * the last statistics notification from uCode 1588 * might not reflect the current uCode activity 1589 */ 1590 general = &priv->statistics.common; 1591 dbg = &priv->statistics.common.dbg; 1592 div = &priv->statistics.common.div; 1593 accum_general = &priv->accum_stats.common; 1594 accum_dbg = &priv->accum_stats.common.dbg; 1595 accum_div = &priv->accum_stats.common.div; 1596 delta_general = &priv->delta_stats.common; 1597 max_general = &priv->max_delta_stats.common; 1598 delta_dbg = &priv->delta_stats.common.dbg; 1599 max_dbg = &priv->max_delta_stats.common.dbg; 1600 delta_div = &priv->delta_stats.common.div; 1601 max_div = &priv->max_delta_stats.common.div; 1602 1603 pos += iwl_statistics_flag(priv, buf, bufsz); 1604 pos += scnprintf(buf + pos, bufsz - pos, 1605 fmt_header, "Statistics_General:"); 1606 pos += scnprintf(buf + pos, bufsz - pos, 1607 fmt_value, "temperature:", 1608 le32_to_cpu(general->temperature)); 1609 pos += scnprintf(buf + pos, bufsz - pos, 1610 fmt_value, "temperature_m:", 1611 le32_to_cpu(general->temperature_m)); 1612 pos += scnprintf(buf + pos, bufsz - pos, 1613 fmt_value, "ttl_timestamp:", 1614 le32_to_cpu(general->ttl_timestamp)); 1615 pos += scnprintf(buf + pos, bufsz - pos, 1616 fmt_table, "burst_check:", 1617 le32_to_cpu(dbg->burst_check), 1618 accum_dbg->burst_check, 1619 delta_dbg->burst_check, max_dbg->burst_check); 1620 pos += scnprintf(buf + pos, bufsz - pos, 1621 fmt_table, "burst_count:", 1622 le32_to_cpu(dbg->burst_count), 1623 accum_dbg->burst_count, 1624 delta_dbg->burst_count, max_dbg->burst_count); 1625 pos += scnprintf(buf + pos, bufsz - pos, 1626 fmt_table, "wait_for_silence_timeout_count:", 1627 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1628 accum_dbg->wait_for_silence_timeout_cnt, 1629 delta_dbg->wait_for_silence_timeout_cnt, 1630 max_dbg->wait_for_silence_timeout_cnt); 1631 pos += scnprintf(buf + pos, bufsz - pos, 1632 fmt_table, "sleep_time:", 1633 le32_to_cpu(general->sleep_time), 1634 accum_general->sleep_time, 1635 delta_general->sleep_time, max_general->sleep_time); 1636 pos += scnprintf(buf + pos, bufsz - pos, 1637 fmt_table, "slots_out:", 1638 le32_to_cpu(general->slots_out), 1639 accum_general->slots_out, 1640 delta_general->slots_out, max_general->slots_out); 1641 pos += scnprintf(buf + pos, bufsz - pos, 1642 fmt_table, "slots_idle:", 1643 le32_to_cpu(general->slots_idle), 1644 accum_general->slots_idle, 1645 delta_general->slots_idle, max_general->slots_idle); 1646 pos += scnprintf(buf + pos, bufsz - pos, 1647 fmt_table, "tx_on_a:", 1648 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1649 delta_div->tx_on_a, max_div->tx_on_a); 1650 pos += scnprintf(buf + pos, bufsz - pos, 1651 fmt_table, "tx_on_b:", 1652 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1653 delta_div->tx_on_b, max_div->tx_on_b); 1654 pos += scnprintf(buf + pos, bufsz - pos, 1655 fmt_table, "exec_time:", 1656 le32_to_cpu(div->exec_time), accum_div->exec_time, 1657 delta_div->exec_time, max_div->exec_time); 1658 pos += scnprintf(buf + pos, bufsz - pos, 1659 fmt_table, "probe_time:", 1660 le32_to_cpu(div->probe_time), accum_div->probe_time, 1661 delta_div->probe_time, max_div->probe_time); 1662 pos += scnprintf(buf + pos, bufsz - pos, 1663 fmt_table, "rx_enable_counter:", 1664 le32_to_cpu(general->rx_enable_counter), 1665 accum_general->rx_enable_counter, 1666 delta_general->rx_enable_counter, 1667 max_general->rx_enable_counter); 1668 pos += scnprintf(buf + pos, bufsz - pos, 1669 fmt_table, "num_of_sos_states:", 1670 le32_to_cpu(general->num_of_sos_states), 1671 accum_general->num_of_sos_states, 1672 delta_general->num_of_sos_states, 1673 max_general->num_of_sos_states); 1674 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1675 kfree(buf); 1676 return ret; 1677} 1678 1679static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1680 char __user *user_buf, 1681 size_t count, loff_t *ppos) 1682{ 1683 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1684 int pos = 0; 1685 char *buf; 1686 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1687 ssize_t ret; 1688 struct statistics_bt_activity *bt, *accum_bt; 1689 1690 if (!iwl_is_alive(priv->shrd)) 1691 return -EAGAIN; 1692 1693 if (!priv->bt_enable_flag) 1694 return -EINVAL; 1695 1696 /* make request to uCode to retrieve statistics information */ 1697 mutex_lock(&priv->shrd->mutex); 1698 ret = iwl_send_statistics_request(priv, CMD_SYNC, false); 1699 mutex_unlock(&priv->shrd->mutex); 1700 1701 if (ret) { 1702 IWL_ERR(priv, 1703 "Error sending statistics request: %zd\n", ret); 1704 return -EAGAIN; 1705 } 1706 buf = kzalloc(bufsz, GFP_KERNEL); 1707 if (!buf) { 1708 IWL_ERR(priv, "Can not allocate Buffer\n"); 1709 return -ENOMEM; 1710 } 1711 1712 /* 1713 * the statistic information display here is based on 1714 * the last statistics notification from uCode 1715 * might not reflect the current uCode activity 1716 */ 1717 bt = &priv->statistics.bt_activity; 1718 accum_bt = &priv->accum_stats.bt_activity; 1719 1720 pos += iwl_statistics_flag(priv, buf, bufsz); 1721 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1722 pos += scnprintf(buf + pos, bufsz - pos, 1723 "\t\t\tcurrent\t\t\taccumulative\n"); 1724 pos += scnprintf(buf + pos, bufsz - pos, 1725 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1726 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1727 accum_bt->hi_priority_tx_req_cnt); 1728 pos += scnprintf(buf + pos, bufsz - pos, 1729 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1730 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1731 accum_bt->hi_priority_tx_denied_cnt); 1732 pos += scnprintf(buf + pos, bufsz - pos, 1733 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1734 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1735 accum_bt->lo_priority_tx_req_cnt); 1736 pos += scnprintf(buf + pos, bufsz - pos, 1737 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1738 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1739 accum_bt->lo_priority_tx_denied_cnt); 1740 pos += scnprintf(buf + pos, bufsz - pos, 1741 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1742 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1743 accum_bt->hi_priority_rx_req_cnt); 1744 pos += scnprintf(buf + pos, bufsz - pos, 1745 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1746 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1747 accum_bt->hi_priority_rx_denied_cnt); 1748 pos += scnprintf(buf + pos, bufsz - pos, 1749 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1750 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1751 accum_bt->lo_priority_rx_req_cnt); 1752 pos += scnprintf(buf + pos, bufsz - pos, 1753 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1754 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1755 accum_bt->lo_priority_rx_denied_cnt); 1756 1757 pos += scnprintf(buf + pos, bufsz - pos, 1758 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1759 le32_to_cpu(priv->statistics.num_bt_kills), 1760 priv->statistics.accum_num_bt_kills); 1761 1762 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1763 kfree(buf); 1764 return ret; 1765} 1766 1767static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1768 char __user *user_buf, 1769 size_t count, loff_t *ppos) 1770{ 1771 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1772 int pos = 0; 1773 char *buf; 1774 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1775 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1776 ssize_t ret; 1777 1778 if (!iwl_is_alive(priv->shrd)) 1779 return -EAGAIN; 1780 1781 buf = kzalloc(bufsz, GFP_KERNEL); 1782 if (!buf) { 1783 IWL_ERR(priv, "Can not allocate Buffer\n"); 1784 return -ENOMEM; 1785 } 1786 1787 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1788 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1789 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1790 priv->reply_tx_stats.pp_delay); 1791 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1792 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1793 priv->reply_tx_stats.pp_few_bytes); 1794 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1795 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1796 priv->reply_tx_stats.pp_bt_prio); 1797 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1798 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1799 priv->reply_tx_stats.pp_quiet_period); 1800 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1801 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1802 priv->reply_tx_stats.pp_calc_ttak); 1803 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1804 iwl_get_tx_fail_reason( 1805 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1806 priv->reply_tx_stats.int_crossed_retry); 1807 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1808 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1809 priv->reply_tx_stats.short_limit); 1810 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1811 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1812 priv->reply_tx_stats.long_limit); 1813 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1814 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1815 priv->reply_tx_stats.fifo_underrun); 1816 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1817 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1818 priv->reply_tx_stats.drain_flow); 1819 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1820 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1821 priv->reply_tx_stats.rfkill_flush); 1822 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1823 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1824 priv->reply_tx_stats.life_expire); 1825 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1826 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1827 priv->reply_tx_stats.dest_ps); 1828 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1829 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1830 priv->reply_tx_stats.host_abort); 1831 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1832 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1833 priv->reply_tx_stats.pp_delay); 1834 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1835 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1836 priv->reply_tx_stats.sta_invalid); 1837 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1838 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1839 priv->reply_tx_stats.frag_drop); 1840 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1841 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1842 priv->reply_tx_stats.tid_disable); 1843 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1844 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1845 priv->reply_tx_stats.fifo_flush); 1846 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1847 iwl_get_tx_fail_reason( 1848 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1849 priv->reply_tx_stats.insuff_cf_poll); 1850 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1851 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1852 priv->reply_tx_stats.fail_hw_drop); 1853 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1854 iwl_get_tx_fail_reason( 1855 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1856 priv->reply_tx_stats.sta_color_mismatch); 1857 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1858 priv->reply_tx_stats.unknown); 1859 1860 pos += scnprintf(buf + pos, bufsz - pos, 1861 "\nStatistics_Agg_TX_Error:\n"); 1862 1863 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1864 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1865 priv->reply_agg_tx_stats.underrun); 1866 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1867 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1868 priv->reply_agg_tx_stats.bt_prio); 1869 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1870 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1871 priv->reply_agg_tx_stats.few_bytes); 1872 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1873 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1874 priv->reply_agg_tx_stats.abort); 1875 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1876 iwl_get_agg_tx_fail_reason( 1877 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1878 priv->reply_agg_tx_stats.last_sent_ttl); 1879 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1880 iwl_get_agg_tx_fail_reason( 1881 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1882 priv->reply_agg_tx_stats.last_sent_try); 1883 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1884 iwl_get_agg_tx_fail_reason( 1885 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1886 priv->reply_agg_tx_stats.last_sent_bt_kill); 1887 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1888 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1889 priv->reply_agg_tx_stats.scd_query); 1890 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1891 iwl_get_agg_tx_fail_reason( 1892 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1893 priv->reply_agg_tx_stats.bad_crc32); 1894 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1895 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1896 priv->reply_agg_tx_stats.response); 1897 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1898 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1899 priv->reply_agg_tx_stats.dump_tx); 1900 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1901 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1902 priv->reply_agg_tx_stats.delay_tx); 1903 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1904 priv->reply_agg_tx_stats.unknown); 1905 1906 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1907 kfree(buf); 1908 return ret; 1909} 1910 1911static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1912 char __user *user_buf, 1913 size_t count, loff_t *ppos) { 1914 1915 struct iwl_priv *priv = file->private_data; 1916 int pos = 0; 1917 int cnt = 0; 1918 char *buf; 1919 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1920 ssize_t ret; 1921 struct iwl_sensitivity_data *data; 1922 1923 data = &priv->sensitivity_data; 1924 buf = kzalloc(bufsz, GFP_KERNEL); 1925 if (!buf) { 1926 IWL_ERR(priv, "Can not allocate Buffer\n"); 1927 return -ENOMEM; 1928 } 1929 1930 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1931 data->auto_corr_ofdm); 1932 pos += scnprintf(buf + pos, bufsz - pos, 1933 "auto_corr_ofdm_mrc:\t\t %u\n", 1934 data->auto_corr_ofdm_mrc); 1935 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1936 data->auto_corr_ofdm_x1); 1937 pos += scnprintf(buf + pos, bufsz - pos, 1938 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1939 data->auto_corr_ofdm_mrc_x1); 1940 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1941 data->auto_corr_cck); 1942 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1943 data->auto_corr_cck_mrc); 1944 pos += scnprintf(buf + pos, bufsz - pos, 1945 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1946 data->last_bad_plcp_cnt_ofdm); 1947 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1948 data->last_fa_cnt_ofdm); 1949 pos += scnprintf(buf + pos, bufsz - pos, 1950 "last_bad_plcp_cnt_cck:\t\t %u\n", 1951 data->last_bad_plcp_cnt_cck); 1952 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1953 data->last_fa_cnt_cck); 1954 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1955 data->nrg_curr_state); 1956 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1957 data->nrg_prev_state); 1958 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1959 for (cnt = 0; cnt < 10; cnt++) { 1960 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1961 data->nrg_value[cnt]); 1962 } 1963 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1964 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1965 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1966 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1967 data->nrg_silence_rssi[cnt]); 1968 } 1969 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1970 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1971 data->nrg_silence_ref); 1972 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1973 data->nrg_energy_idx); 1974 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1975 data->nrg_silence_idx); 1976 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1977 data->nrg_th_cck); 1978 pos += scnprintf(buf + pos, bufsz - pos, 1979 "nrg_auto_corr_silence_diff:\t %u\n", 1980 data->nrg_auto_corr_silence_diff); 1981 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1982 data->num_in_cck_no_fa); 1983 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1984 data->nrg_th_ofdm); 1985 1986 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1987 kfree(buf); 1988 return ret; 1989} 1990 1991 1992static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1993 char __user *user_buf, 1994 size_t count, loff_t *ppos) { 1995 1996 struct iwl_priv *priv = file->private_data; 1997 int pos = 0; 1998 int cnt = 0; 1999 char *buf; 2000 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 2001 ssize_t ret; 2002 struct iwl_chain_noise_data *data; 2003 2004 data = &priv->chain_noise_data; 2005 buf = kzalloc(bufsz, GFP_KERNEL); 2006 if (!buf) { 2007 IWL_ERR(priv, "Can not allocate Buffer\n"); 2008 return -ENOMEM; 2009 } 2010 2011 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 2012 data->active_chains); 2013 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 2014 data->chain_noise_a); 2015 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 2016 data->chain_noise_b); 2017 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 2018 data->chain_noise_c); 2019 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 2020 data->chain_signal_a); 2021 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 2022 data->chain_signal_b); 2023 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 2024 data->chain_signal_c); 2025 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 2026 data->beacon_count); 2027 2028 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 2029 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2030 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2031 data->disconn_array[cnt]); 2032 } 2033 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2034 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 2035 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 2036 pos += scnprintf(buf + pos, bufsz - pos, " %u", 2037 data->delta_gain_code[cnt]); 2038 } 2039 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 2040 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 2041 data->radio_write); 2042 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 2043 data->state); 2044 2045 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2046 kfree(buf); 2047 return ret; 2048} 2049 2050static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 2051 char __user *user_buf, 2052 size_t count, loff_t *ppos) 2053{ 2054 struct iwl_priv *priv = file->private_data; 2055 char buf[60]; 2056 int pos = 0; 2057 const size_t bufsz = sizeof(buf); 2058 u32 pwrsave_status; 2059 2060 pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) & 2061 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 2062 2063 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 2064 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 2065 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 2066 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 2067 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 2068 "error"); 2069 2070 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2071} 2072 2073static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 2074 const char __user *user_buf, 2075 size_t count, loff_t *ppos) 2076{ 2077 struct iwl_priv *priv = file->private_data; 2078 char buf[8]; 2079 int buf_size; 2080 int clear; 2081 2082 memset(buf, 0, sizeof(buf)); 2083 buf_size = min(count, sizeof(buf) - 1); 2084 if (copy_from_user(buf, user_buf, buf_size)) 2085 return -EFAULT; 2086 if (sscanf(buf, "%d", &clear) != 1) 2087 return -EFAULT; 2088 2089 /* make request to uCode to retrieve statistics information */ 2090 mutex_lock(&priv->shrd->mutex); 2091 iwl_send_statistics_request(priv, CMD_SYNC, true); 2092 mutex_unlock(&priv->shrd->mutex); 2093 2094 return count; 2095} 2096 2097static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 2098 char __user *user_buf, 2099 size_t count, loff_t *ppos) { 2100 2101 struct iwl_priv *priv = file->private_data; 2102 int pos = 0; 2103 char buf[128]; 2104 const size_t bufsz = sizeof(buf); 2105 2106 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 2107 priv->event_log.ucode_trace ? "On" : "Off"); 2108 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 2109 priv->event_log.non_wraps_count); 2110 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 2111 priv->event_log.wraps_once_count); 2112 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 2113 priv->event_log.wraps_more_count); 2114 2115 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2116} 2117 2118static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 2119 const char __user *user_buf, 2120 size_t count, loff_t *ppos) 2121{ 2122 struct iwl_priv *priv = file->private_data; 2123 char buf[8]; 2124 int buf_size; 2125 int trace; 2126 2127 memset(buf, 0, sizeof(buf)); 2128 buf_size = min(count, sizeof(buf) - 1); 2129 if (copy_from_user(buf, user_buf, buf_size)) 2130 return -EFAULT; 2131 if (sscanf(buf, "%d", &trace) != 1) 2132 return -EFAULT; 2133 2134 if (trace) { 2135 priv->event_log.ucode_trace = true; 2136 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ 2137 mod_timer(&priv->ucode_trace, 2138 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); 2139 } else { 2140 priv->event_log.ucode_trace = false; 2141 del_timer_sync(&priv->ucode_trace); 2142 } 2143 2144 return count; 2145} 2146 2147static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 2148 char __user *user_buf, 2149 size_t count, loff_t *ppos) { 2150 2151 struct iwl_priv *priv = file->private_data; 2152 int len = 0; 2153 char buf[20]; 2154 2155 len = sprintf(buf, "0x%04X\n", 2156 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 2157 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2158} 2159 2160static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 2161 char __user *user_buf, 2162 size_t count, loff_t *ppos) { 2163 2164 struct iwl_priv *priv = file->private_data; 2165 int len = 0; 2166 char buf[20]; 2167 2168 len = sprintf(buf, "0x%04X\n", 2169 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 2170 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2171} 2172 2173static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 2174 char __user *user_buf, 2175 size_t count, loff_t *ppos) { 2176 2177 struct iwl_priv *priv = file->private_data; 2178 int pos = 0; 2179 char buf[12]; 2180 const size_t bufsz = sizeof(buf); 2181 2182 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 2183 priv->missed_beacon_threshold); 2184 2185 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2186} 2187 2188static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 2189 const char __user *user_buf, 2190 size_t count, loff_t *ppos) 2191{ 2192 struct iwl_priv *priv = file->private_data; 2193 char buf[8]; 2194 int buf_size; 2195 int missed; 2196 2197 memset(buf, 0, sizeof(buf)); 2198 buf_size = min(count, sizeof(buf) - 1); 2199 if (copy_from_user(buf, user_buf, buf_size)) 2200 return -EFAULT; 2201 if (sscanf(buf, "%d", &missed) != 1) 2202 return -EINVAL; 2203 2204 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 2205 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 2206 priv->missed_beacon_threshold = 2207 IWL_MISSED_BEACON_THRESHOLD_DEF; 2208 else 2209 priv->missed_beacon_threshold = missed; 2210 2211 return count; 2212} 2213 2214static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 2215 char __user *user_buf, 2216 size_t count, loff_t *ppos) { 2217 2218 struct iwl_priv *priv = file->private_data; 2219 int pos = 0; 2220 char buf[12]; 2221 const size_t bufsz = sizeof(buf); 2222 2223 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2224 priv->cfg->base_params->plcp_delta_threshold); 2225 2226 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2227} 2228 2229static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2230 const char __user *user_buf, 2231 size_t count, loff_t *ppos) { 2232 2233 struct iwl_priv *priv = file->private_data; 2234 char buf[8]; 2235 int buf_size; 2236 int plcp; 2237 2238 memset(buf, 0, sizeof(buf)); 2239 buf_size = min(count, sizeof(buf) - 1); 2240 if (copy_from_user(buf, user_buf, buf_size)) 2241 return -EFAULT; 2242 if (sscanf(buf, "%d", &plcp) != 1) 2243 return -EINVAL; 2244 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2245 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2246 priv->cfg->base_params->plcp_delta_threshold = 2247 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 2248 else 2249 priv->cfg->base_params->plcp_delta_threshold = plcp; 2250 return count; 2251} 2252 2253static ssize_t iwl_dbgfs_force_reset_read(struct file *file, 2254 char __user *user_buf, 2255 size_t count, loff_t *ppos) 2256{ 2257 struct iwl_priv *priv = file->private_data; 2258 int i, pos = 0; 2259 char buf[300]; 2260 const size_t bufsz = sizeof(buf); 2261 struct iwl_force_reset *force_reset; 2262 2263 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { 2264 force_reset = &priv->force_reset[i]; 2265 pos += scnprintf(buf + pos, bufsz - pos, 2266 "Force reset method %d\n", i); 2267 pos += scnprintf(buf + pos, bufsz - pos, 2268 "\tnumber of reset request: %d\n", 2269 force_reset->reset_request_count); 2270 pos += scnprintf(buf + pos, bufsz - pos, 2271 "\tnumber of reset request success: %d\n", 2272 force_reset->reset_success_count); 2273 pos += scnprintf(buf + pos, bufsz - pos, 2274 "\tnumber of reset request reject: %d\n", 2275 force_reset->reset_reject_count); 2276 pos += scnprintf(buf + pos, bufsz - pos, 2277 "\treset duration: %lu\n", 2278 force_reset->reset_duration); 2279 } 2280 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2281} 2282 2283static ssize_t iwl_dbgfs_force_reset_write(struct file *file, 2284 const char __user *user_buf, 2285 size_t count, loff_t *ppos) { 2286 2287 struct iwl_priv *priv = file->private_data; 2288 char buf[8]; 2289 int buf_size; 2290 int reset, ret; 2291 2292 memset(buf, 0, sizeof(buf)); 2293 buf_size = min(count, sizeof(buf) - 1); 2294 if (copy_from_user(buf, user_buf, buf_size)) 2295 return -EFAULT; 2296 if (sscanf(buf, "%d", &reset) != 1) 2297 return -EINVAL; 2298 switch (reset) { 2299 case IWL_RF_RESET: 2300 case IWL_FW_RESET: 2301 ret = iwl_force_reset(priv, reset, true); 2302 break; 2303 default: 2304 return -EINVAL; 2305 } 2306 return ret ? ret : count; 2307} 2308 2309static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2310 const char __user *user_buf, 2311 size_t count, loff_t *ppos) { 2312 2313 struct iwl_priv *priv = file->private_data; 2314 char buf[8]; 2315 int buf_size; 2316 int flush; 2317 2318 memset(buf, 0, sizeof(buf)); 2319 buf_size = min(count, sizeof(buf) - 1); 2320 if (copy_from_user(buf, user_buf, buf_size)) 2321 return -EFAULT; 2322 if (sscanf(buf, "%d", &flush) != 1) 2323 return -EINVAL; 2324 2325 if (iwl_is_rfkill(priv->shrd)) 2326 return -EFAULT; 2327 2328 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); 2329 2330 return count; 2331} 2332 2333static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file, 2334 const char __user *user_buf, 2335 size_t count, loff_t *ppos) 2336{ 2337 struct iwl_priv *priv = file->private_data; 2338 char buf[8]; 2339 int buf_size; 2340 int timeout; 2341 2342 memset(buf, 0, sizeof(buf)); 2343 buf_size = min(count, sizeof(buf) - 1); 2344 if (copy_from_user(buf, user_buf, buf_size)) 2345 return -EFAULT; 2346 if (sscanf(buf, "%d", &timeout) != 1) 2347 return -EINVAL; 2348 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT) 2349 timeout = IWL_DEF_WD_TIMEOUT; 2350 2351 priv->cfg->base_params->wd_timeout = timeout; 2352 iwl_setup_watchdog(priv); 2353 return count; 2354} 2355 2356static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2357 char __user *user_buf, 2358 size_t count, loff_t *ppos) { 2359 2360 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2361 int pos = 0; 2362 char buf[200]; 2363 const size_t bufsz = sizeof(buf); 2364 2365 if (!priv->bt_enable_flag) { 2366 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2367 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2368 } 2369 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2370 priv->bt_enable_flag); 2371 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2372 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2373 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2374 "last traffic notif: %d\n", 2375 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2376 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2377 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2378 priv->bt_ch_announce, priv->kill_ack_mask, 2379 priv->kill_cts_mask); 2380 2381 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2382 switch (priv->bt_traffic_load) { 2383 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2384 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2385 break; 2386 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2387 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2388 break; 2389 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2390 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2391 break; 2392 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2393 default: 2394 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2395 break; 2396 } 2397 2398 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2399} 2400 2401static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2402 char __user *user_buf, 2403 size_t count, loff_t *ppos) 2404{ 2405 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2406 2407 int pos = 0; 2408 char buf[40]; 2409 const size_t bufsz = sizeof(buf); 2410 2411 if (priv->cfg->ht_params) 2412 pos += scnprintf(buf + pos, bufsz - pos, 2413 "use %s for aggregation\n", 2414 (priv->cfg->ht_params->use_rts_for_aggregation) ? 2415 "rts/cts" : "cts-to-self"); 2416 else 2417 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2418 2419 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2420} 2421 2422static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2423 const char __user *user_buf, 2424 size_t count, loff_t *ppos) { 2425 2426 struct iwl_priv *priv = file->private_data; 2427 char buf[8]; 2428 int buf_size; 2429 int rts; 2430 2431 if (!priv->cfg->ht_params) 2432 return -EINVAL; 2433 2434 memset(buf, 0, sizeof(buf)); 2435 buf_size = min(count, sizeof(buf) - 1); 2436 if (copy_from_user(buf, user_buf, buf_size)) 2437 return -EFAULT; 2438 if (sscanf(buf, "%d", &rts) != 1) 2439 return -EINVAL; 2440 if (rts) 2441 priv->cfg->ht_params->use_rts_for_aggregation = true; 2442 else 2443 priv->cfg->ht_params->use_rts_for_aggregation = false; 2444 return count; 2445} 2446 2447static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2448 const char __user *user_buf, 2449 size_t count, loff_t *ppos) 2450{ 2451 struct iwl_priv *priv = file->private_data; 2452 char buf[8]; 2453 int buf_size; 2454 2455 memset(buf, 0, sizeof(buf)); 2456 buf_size = min(count, sizeof(buf) - 1); 2457 if (copy_from_user(buf, user_buf, buf_size)) 2458 return -EFAULT; 2459 2460 iwl_cmd_echo_test(priv); 2461 return count; 2462} 2463 2464DEBUGFS_READ_FILE_OPS(rx_statistics); 2465DEBUGFS_READ_FILE_OPS(tx_statistics); 2466DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 2467DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2468DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2469DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2470DEBUGFS_READ_FILE_OPS(sensitivity); 2471DEBUGFS_READ_FILE_OPS(chain_noise); 2472DEBUGFS_READ_FILE_OPS(power_save_status); 2473DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2474DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 2475DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2476DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2477DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2478DEBUGFS_READ_WRITE_FILE_OPS(force_reset); 2479DEBUGFS_READ_FILE_OPS(rxon_flags); 2480DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2481DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2482DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2483DEBUGFS_WRITE_FILE_OPS(wd_timeout); 2484DEBUGFS_READ_FILE_OPS(bt_traffic); 2485DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2486DEBUGFS_READ_FILE_OPS(reply_tx_error); 2487DEBUGFS_WRITE_FILE_OPS(echo_test); 2488 2489#ifdef CONFIG_IWLWIFI_DEBUG 2490static ssize_t iwl_dbgfs_debug_level_read(struct file *file, 2491 char __user *user_buf, 2492 size_t count, loff_t *ppos) 2493{ 2494 struct iwl_priv *priv = file->private_data; 2495 struct iwl_shared *shrd = priv->shrd; 2496 char buf[11]; 2497 int len; 2498 2499 len = scnprintf(buf, sizeof(buf), "0x%.8x", 2500 iwl_get_debug_level(shrd)); 2501 2502 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 2503} 2504 2505static ssize_t iwl_dbgfs_debug_level_write(struct file *file, 2506 const char __user *user_buf, 2507 size_t count, loff_t *ppos) 2508{ 2509 struct iwl_priv *priv = file->private_data; 2510 struct iwl_shared *shrd = priv->shrd; 2511 char buf[11]; 2512 unsigned long val; 2513 int ret; 2514 2515 if (count > sizeof(buf)) 2516 return -EINVAL; 2517 2518 memset(buf, 0, sizeof(buf)); 2519 if (copy_from_user(buf, user_buf, count)) 2520 return -EFAULT; 2521 2522 ret = strict_strtoul(buf, 0, &val); 2523 if (ret) 2524 return ret; 2525 2526 shrd->dbg_level_dev = val; 2527 if (iwl_alloc_traffic_mem(priv)) 2528 IWL_ERR(priv, "Not enough memory to generate traffic log\n"); 2529 2530 return count; 2531} 2532DEBUGFS_READ_WRITE_FILE_OPS(debug_level); 2533#endif /* CONFIG_IWLWIFI_DEBUG */ 2534 2535/* 2536 * Create the debugfs files and directories 2537 * 2538 */ 2539int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 2540{ 2541 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 2542 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; 2543 2544 dir_drv = debugfs_create_dir(name, phyd); 2545 if (!dir_drv) 2546 return -ENOMEM; 2547 2548 priv->debugfs_dir = dir_drv; 2549 2550 dir_data = debugfs_create_dir("data", dir_drv); 2551 if (!dir_data) 2552 goto err; 2553 dir_rf = debugfs_create_dir("rf", dir_drv); 2554 if (!dir_rf) 2555 goto err; 2556 dir_debug = debugfs_create_dir("debug", dir_drv); 2557 if (!dir_debug) 2558 goto err; 2559 2560 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2561 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2562 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR); 2563 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2564 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2565 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2566 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR); 2567 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2568 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2569 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2570 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2571 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2572 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR); 2573 2574 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); 2575 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); 2576 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); 2577 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2578 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2579 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); 2580 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2581 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2582 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); 2583 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2584 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2585 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2586 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); 2587 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR); 2588 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2589 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2590 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2591 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR); 2592 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR); 2593 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); 2594 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); 2595 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); 2596 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); 2597 if (iwl_advanced_bt_coexist(priv)) 2598 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); 2599#ifdef CONFIG_IWLWIFI_DEBUG 2600 DEBUGFS_ADD_FILE(debug_level, dir_debug, S_IRUSR | S_IWUSR); 2601#endif 2602 2603 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, 2604 &priv->disable_sens_cal); 2605 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, 2606 &priv->disable_chain_noise_cal); 2607 2608 if (iwl_trans_dbgfs_register(trans(priv), dir_debug)) 2609 goto err; 2610 return 0; 2611 2612err: 2613 IWL_ERR(priv, "Can't create the debugfs directory\n"); 2614 iwl_dbgfs_unregister(priv); 2615 return -ENOMEM; 2616} 2617 2618/** 2619 * Remove the debugfs files and directories 2620 * 2621 */ 2622void iwl_dbgfs_unregister(struct iwl_priv *priv) 2623{ 2624 if (!priv->debugfs_dir) 2625 return; 2626 2627 debugfs_remove_recursive(priv->debugfs_dir); 2628 priv->debugfs_dir = NULL; 2629} 2630