1 /****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2014 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 COPYING. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <linuxwifi@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 #include <linux/ieee80211.h> 34 #include <net/mac80211.h> 35 36 #include "iwl-debug.h" 37 #include "iwl-trans.h" 38 #include "iwl-io.h" 39 #include "dev.h" 40 #include "agn.h" 41 42 /* create and remove of files */ 43 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 44 if (!debugfs_create_file(#name, mode, parent, priv, \ 45 &iwl_dbgfs_##name##_ops)) \ 46 goto err; \ 47 } while (0) 48 49 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 50 struct dentry *__tmp; \ 51 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 52 parent, ptr); \ 53 if (IS_ERR(__tmp) || !__tmp) \ 54 goto err; \ 55 } while (0) 56 57 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 58 struct dentry *__tmp; \ 59 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ 60 parent, ptr); \ 61 if (IS_ERR(__tmp) || !__tmp) \ 62 goto err; \ 63 } while (0) 64 65 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \ 66 struct dentry *__tmp; \ 67 __tmp = debugfs_create_u32(#name, mode, \ 68 parent, ptr); \ 69 if (IS_ERR(__tmp) || !__tmp) \ 70 goto err; \ 71 } while (0) 72 73 /* file operation */ 74 #define DEBUGFS_READ_FILE_OPS(name) \ 75 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 76 .read = iwl_dbgfs_##name##_read, \ 77 .open = simple_open, \ 78 .llseek = generic_file_llseek, \ 79 }; 80 81 #define DEBUGFS_WRITE_FILE_OPS(name) \ 82 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 83 .write = iwl_dbgfs_##name##_write, \ 84 .open = simple_open, \ 85 .llseek = generic_file_llseek, \ 86 }; 87 88 89 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 90 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 91 .write = iwl_dbgfs_##name##_write, \ 92 .read = iwl_dbgfs_##name##_read, \ 93 .open = simple_open, \ 94 .llseek = generic_file_llseek, \ 95 }; 96 97 static ssize_t iwl_dbgfs_sram_read(struct file *file, 98 char __user *user_buf, 99 size_t count, loff_t *ppos) 100 { 101 u32 val = 0; 102 char *buf; 103 ssize_t ret; 104 int i = 0; 105 bool device_format = false; 106 int offset = 0; 107 int len = 0; 108 int pos = 0; 109 int sram; 110 struct iwl_priv *priv = file->private_data; 111 const struct fw_img *img; 112 size_t bufsz; 113 114 if (!iwl_is_ready_rf(priv)) 115 return -EAGAIN; 116 117 /* default is to dump the entire data segment */ 118 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 119 priv->dbgfs_sram_offset = 0x800000; 120 if (!priv->ucode_loaded) 121 return -EINVAL; 122 img = &priv->fw->img[priv->cur_ucode]; 123 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 124 } 125 len = priv->dbgfs_sram_len; 126 127 if (len == -4) { 128 device_format = true; 129 len = 4; 130 } 131 132 bufsz = 50 + len * 4; 133 buf = kmalloc(bufsz, GFP_KERNEL); 134 if (!buf) 135 return -ENOMEM; 136 137 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 138 len); 139 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 140 priv->dbgfs_sram_offset); 141 142 /* adjust sram address since reads are only on even u32 boundaries */ 143 offset = priv->dbgfs_sram_offset & 0x3; 144 sram = priv->dbgfs_sram_offset & ~0x3; 145 146 /* read the first u32 from sram */ 147 val = iwl_trans_read_mem32(priv->trans, sram); 148 149 for (; len; len--) { 150 /* put the address at the start of every line */ 151 if (i == 0) 152 pos += scnprintf(buf + pos, bufsz - pos, 153 "%08X: ", sram + offset); 154 155 if (device_format) 156 pos += scnprintf(buf + pos, bufsz - pos, 157 "%02x", (val >> (8 * (3 - offset))) & 0xff); 158 else 159 pos += scnprintf(buf + pos, bufsz - pos, 160 "%02x ", (val >> (8 * offset)) & 0xff); 161 162 /* if all bytes processed, read the next u32 from sram */ 163 if (++offset == 4) { 164 sram += 4; 165 offset = 0; 166 val = iwl_trans_read_mem32(priv->trans, sram); 167 } 168 169 /* put in extra spaces and split lines for human readability */ 170 if (++i == 16) { 171 i = 0; 172 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 173 } else if (!(i & 7)) { 174 pos += scnprintf(buf + pos, bufsz - pos, " "); 175 } else if (!(i & 3)) { 176 pos += scnprintf(buf + pos, bufsz - pos, " "); 177 } 178 } 179 if (i) 180 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 181 182 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 183 kfree(buf); 184 return ret; 185 } 186 187 static ssize_t iwl_dbgfs_sram_write(struct file *file, 188 const char __user *user_buf, 189 size_t count, loff_t *ppos) 190 { 191 struct iwl_priv *priv = file->private_data; 192 char buf[64]; 193 int buf_size; 194 u32 offset, len; 195 196 memset(buf, 0, sizeof(buf)); 197 buf_size = min(count, sizeof(buf) - 1); 198 if (copy_from_user(buf, user_buf, buf_size)) 199 return -EFAULT; 200 201 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 202 priv->dbgfs_sram_offset = offset; 203 priv->dbgfs_sram_len = len; 204 } else if (sscanf(buf, "%x", &offset) == 1) { 205 priv->dbgfs_sram_offset = offset; 206 priv->dbgfs_sram_len = -4; 207 } else { 208 priv->dbgfs_sram_offset = 0; 209 priv->dbgfs_sram_len = 0; 210 } 211 212 return count; 213 } 214 215 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, 216 char __user *user_buf, 217 size_t count, loff_t *ppos) 218 { 219 struct iwl_priv *priv = file->private_data; 220 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; 221 222 if (!priv->wowlan_sram) 223 return -ENODATA; 224 225 return simple_read_from_buffer(user_buf, count, ppos, 226 priv->wowlan_sram, 227 img->sec[IWL_UCODE_SECTION_DATA].len); 228 } 229 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 230 size_t count, loff_t *ppos) 231 { 232 struct iwl_priv *priv = file->private_data; 233 struct iwl_station_entry *station; 234 struct iwl_tid_data *tid_data; 235 char *buf; 236 int i, j, pos = 0; 237 ssize_t ret; 238 /* Add 30 for initial string */ 239 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 240 241 buf = kmalloc(bufsz, GFP_KERNEL); 242 if (!buf) 243 return -ENOMEM; 244 245 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 246 priv->num_stations); 247 248 for (i = 0; i < IWLAGN_STATION_COUNT; i++) { 249 station = &priv->stations[i]; 250 if (!station->used) 251 continue; 252 pos += scnprintf(buf + pos, bufsz - pos, 253 "station %d - addr: %pM, flags: %#x\n", 254 i, station->sta.sta.addr, 255 station->sta.station_flags_msk); 256 pos += scnprintf(buf + pos, bufsz - pos, 257 "TID seqno next_rclmd " 258 "rate_n_flags state txq\n"); 259 260 for (j = 0; j < IWL_MAX_TID_COUNT; j++) { 261 tid_data = &priv->tid_data[i][j]; 262 pos += scnprintf(buf + pos, bufsz - pos, 263 "%d: 0x%.4x 0x%.4x 0x%.8x " 264 "%d %.2d", 265 j, tid_data->seq_number, 266 tid_data->next_reclaimed, 267 tid_data->agg.rate_n_flags, 268 tid_data->agg.state, 269 tid_data->agg.txq_id); 270 271 if (tid_data->agg.wait_for_ba) 272 pos += scnprintf(buf + pos, bufsz - pos, 273 " - waitforba"); 274 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 275 } 276 277 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 278 } 279 280 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 281 kfree(buf); 282 return ret; 283 } 284 285 static ssize_t iwl_dbgfs_nvm_read(struct file *file, 286 char __user *user_buf, 287 size_t count, 288 loff_t *ppos) 289 { 290 ssize_t ret; 291 struct iwl_priv *priv = file->private_data; 292 int pos = 0, ofs = 0, buf_size = 0; 293 const u8 *ptr; 294 char *buf; 295 u16 nvm_ver; 296 size_t eeprom_len = priv->eeprom_blob_size; 297 buf_size = 4 * eeprom_len + 256; 298 299 if (eeprom_len % 16) 300 return -ENODATA; 301 302 ptr = priv->eeprom_blob; 303 if (!ptr) 304 return -ENOMEM; 305 306 /* 4 characters for byte 0xYY */ 307 buf = kzalloc(buf_size, GFP_KERNEL); 308 if (!buf) 309 return -ENOMEM; 310 311 nvm_ver = priv->nvm_data->nvm_version; 312 pos += scnprintf(buf + pos, buf_size - pos, 313 "NVM version: 0x%x\n", nvm_ver); 314 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 315 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n", 316 ofs, ptr + ofs); 317 } 318 319 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 320 kfree(buf); 321 return ret; 322 } 323 324 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 325 size_t count, loff_t *ppos) 326 { 327 struct iwl_priv *priv = file->private_data; 328 struct ieee80211_channel *channels = NULL; 329 const struct ieee80211_supported_band *supp_band = NULL; 330 int pos = 0, i, bufsz = PAGE_SIZE; 331 char *buf; 332 ssize_t ret; 333 334 buf = kzalloc(bufsz, GFP_KERNEL); 335 if (!buf) 336 return -ENOMEM; 337 338 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_2GHZ); 339 if (supp_band) { 340 channels = supp_band->channels; 341 342 pos += scnprintf(buf + pos, bufsz - pos, 343 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 344 supp_band->n_channels); 345 346 for (i = 0; i < supp_band->n_channels; i++) 347 pos += scnprintf(buf + pos, bufsz - pos, 348 "%d: %ddBm: BSS%s%s, %s.\n", 349 channels[i].hw_value, 350 channels[i].max_power, 351 channels[i].flags & IEEE80211_CHAN_RADAR ? 352 " (IEEE 802.11h required)" : "", 353 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 354 || (channels[i].flags & 355 IEEE80211_CHAN_RADAR)) ? "" : 356 ", IBSS", 357 channels[i].flags & 358 IEEE80211_CHAN_NO_IR ? 359 "passive only" : "active/passive"); 360 } 361 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_5GHZ); 362 if (supp_band) { 363 channels = supp_band->channels; 364 365 pos += scnprintf(buf + pos, bufsz - pos, 366 "Displaying %d channels in 5.2GHz band (802.11a)\n", 367 supp_band->n_channels); 368 369 for (i = 0; i < supp_band->n_channels; i++) 370 pos += scnprintf(buf + pos, bufsz - pos, 371 "%d: %ddBm: BSS%s%s, %s.\n", 372 channels[i].hw_value, 373 channels[i].max_power, 374 channels[i].flags & IEEE80211_CHAN_RADAR ? 375 " (IEEE 802.11h required)" : "", 376 ((channels[i].flags & IEEE80211_CHAN_NO_IR) 377 || (channels[i].flags & 378 IEEE80211_CHAN_RADAR)) ? "" : 379 ", IBSS", 380 channels[i].flags & 381 IEEE80211_CHAN_NO_IR ? 382 "passive only" : "active/passive"); 383 } 384 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 385 kfree(buf); 386 return ret; 387 } 388 389 static ssize_t iwl_dbgfs_status_read(struct file *file, 390 char __user *user_buf, 391 size_t count, loff_t *ppos) { 392 393 struct iwl_priv *priv = file->private_data; 394 char buf[512]; 395 int pos = 0; 396 const size_t bufsz = sizeof(buf); 397 398 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 399 test_bit(STATUS_RF_KILL_HW, &priv->status)); 400 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 401 test_bit(STATUS_CT_KILL, &priv->status)); 402 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 403 test_bit(STATUS_ALIVE, &priv->status)); 404 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 405 test_bit(STATUS_READY, &priv->status)); 406 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 407 test_bit(STATUS_EXIT_PENDING, &priv->status)); 408 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 409 test_bit(STATUS_STATISTICS, &priv->status)); 410 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 411 test_bit(STATUS_SCANNING, &priv->status)); 412 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 413 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 414 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 415 test_bit(STATUS_SCAN_HW, &priv->status)); 416 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 417 test_bit(STATUS_POWER_PMI, &priv->status)); 418 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 419 test_bit(STATUS_FW_ERROR, &priv->status)); 420 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 421 } 422 423 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, 424 char __user *user_buf, 425 size_t count, loff_t *ppos) { 426 427 struct iwl_priv *priv = file->private_data; 428 429 int pos = 0; 430 int cnt = 0; 431 char *buf; 432 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 433 ssize_t ret; 434 435 buf = kzalloc(bufsz, GFP_KERNEL); 436 if (!buf) 437 return -ENOMEM; 438 439 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 440 if (priv->rx_handlers_stats[cnt] > 0) 441 pos += scnprintf(buf + pos, bufsz - pos, 442 "\tRx handler[%36s]:\t\t %u\n", 443 iwl_get_cmd_string(priv->trans, (u32)cnt), 444 priv->rx_handlers_stats[cnt]); 445 } 446 447 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 448 kfree(buf); 449 return ret; 450 } 451 452 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, 453 const char __user *user_buf, 454 size_t count, loff_t *ppos) 455 { 456 struct iwl_priv *priv = file->private_data; 457 458 char buf[8]; 459 int buf_size; 460 u32 reset_flag; 461 462 memset(buf, 0, sizeof(buf)); 463 buf_size = min(count, sizeof(buf) - 1); 464 if (copy_from_user(buf, user_buf, buf_size)) 465 return -EFAULT; 466 if (sscanf(buf, "%x", &reset_flag) != 1) 467 return -EFAULT; 468 if (reset_flag == 0) 469 memset(&priv->rx_handlers_stats[0], 0, 470 sizeof(priv->rx_handlers_stats)); 471 472 return count; 473 } 474 475 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 476 size_t count, loff_t *ppos) 477 { 478 struct iwl_priv *priv = file->private_data; 479 struct iwl_rxon_context *ctx; 480 int pos = 0, i; 481 char buf[256 * NUM_IWL_RXON_CTX]; 482 const size_t bufsz = sizeof(buf); 483 484 for_each_context(priv, ctx) { 485 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", 486 ctx->ctxid); 487 for (i = 0; i < AC_NUM; i++) { 488 pos += scnprintf(buf + pos, bufsz - pos, 489 "\tcw_min\tcw_max\taifsn\ttxop\n"); 490 pos += scnprintf(buf + pos, bufsz - pos, 491 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 492 ctx->qos_data.def_qos_parm.ac[i].cw_min, 493 ctx->qos_data.def_qos_parm.ac[i].cw_max, 494 ctx->qos_data.def_qos_parm.ac[i].aifsn, 495 ctx->qos_data.def_qos_parm.ac[i].edca_txop); 496 } 497 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 498 } 499 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 500 } 501 502 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 503 char __user *user_buf, 504 size_t count, loff_t *ppos) 505 { 506 struct iwl_priv *priv = file->private_data; 507 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 508 struct iwl_tt_restriction *restriction; 509 char buf[100]; 510 int pos = 0; 511 const size_t bufsz = sizeof(buf); 512 513 pos += scnprintf(buf + pos, bufsz - pos, 514 "Thermal Throttling Mode: %s\n", 515 tt->advanced_tt ? "Advance" : "Legacy"); 516 pos += scnprintf(buf + pos, bufsz - pos, 517 "Thermal Throttling State: %d\n", 518 tt->state); 519 if (tt->advanced_tt) { 520 restriction = tt->restriction + tt->state; 521 pos += scnprintf(buf + pos, bufsz - pos, 522 "Tx mode: %d\n", 523 restriction->tx_stream); 524 pos += scnprintf(buf + pos, bufsz - pos, 525 "Rx mode: %d\n", 526 restriction->rx_stream); 527 pos += scnprintf(buf + pos, bufsz - pos, 528 "HT mode: %d\n", 529 restriction->is_ht); 530 } 531 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 532 } 533 534 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 535 const char __user *user_buf, 536 size_t count, loff_t *ppos) 537 { 538 struct iwl_priv *priv = file->private_data; 539 char buf[8]; 540 int buf_size; 541 int ht40; 542 543 memset(buf, 0, sizeof(buf)); 544 buf_size = min(count, sizeof(buf) - 1); 545 if (copy_from_user(buf, user_buf, buf_size)) 546 return -EFAULT; 547 if (sscanf(buf, "%d", &ht40) != 1) 548 return -EFAULT; 549 if (!iwl_is_any_associated(priv)) 550 priv->disable_ht40 = ht40 ? true : false; 551 else 552 return -EINVAL; 553 554 return count; 555 } 556 557 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 558 char __user *user_buf, 559 size_t count, loff_t *ppos) 560 { 561 struct iwl_priv *priv = file->private_data; 562 char buf[100]; 563 int pos = 0; 564 const size_t bufsz = sizeof(buf); 565 566 pos += scnprintf(buf + pos, bufsz - pos, 567 "11n 40MHz Mode: %s\n", 568 priv->disable_ht40 ? "Disabled" : "Enabled"); 569 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 570 } 571 572 static ssize_t iwl_dbgfs_temperature_read(struct file *file, 573 char __user *user_buf, 574 size_t count, loff_t *ppos) 575 { 576 struct iwl_priv *priv = file->private_data; 577 char buf[8]; 578 int pos = 0; 579 const size_t bufsz = sizeof(buf); 580 581 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); 582 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 583 } 584 585 586 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 587 const char __user *user_buf, 588 size_t count, loff_t *ppos) 589 { 590 struct iwl_priv *priv = file->private_data; 591 char buf[8]; 592 int buf_size; 593 int value; 594 595 memset(buf, 0, sizeof(buf)); 596 buf_size = min(count, sizeof(buf) - 1); 597 if (copy_from_user(buf, user_buf, buf_size)) 598 return -EFAULT; 599 600 if (sscanf(buf, "%d", &value) != 1) 601 return -EINVAL; 602 603 /* 604 * Our users expect 0 to be "CAM", but 0 isn't actually 605 * valid here. However, let's not confuse them and present 606 * IWL_POWER_INDEX_1 as "1", not "0". 607 */ 608 if (value == 0) 609 return -EINVAL; 610 else if (value > 0) 611 value -= 1; 612 613 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 614 return -EINVAL; 615 616 if (!iwl_is_ready_rf(priv)) 617 return -EAGAIN; 618 619 priv->power_data.debug_sleep_level_override = value; 620 621 mutex_lock(&priv->mutex); 622 iwl_power_update_mode(priv, true); 623 mutex_unlock(&priv->mutex); 624 625 return count; 626 } 627 628 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 629 char __user *user_buf, 630 size_t count, loff_t *ppos) 631 { 632 struct iwl_priv *priv = file->private_data; 633 char buf[10]; 634 int pos, value; 635 const size_t bufsz = sizeof(buf); 636 637 /* see the write function */ 638 value = priv->power_data.debug_sleep_level_override; 639 if (value >= 0) 640 value += 1; 641 642 pos = scnprintf(buf, bufsz, "%d\n", value); 643 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 644 } 645 646 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 647 char __user *user_buf, 648 size_t count, loff_t *ppos) 649 { 650 struct iwl_priv *priv = file->private_data; 651 char buf[200]; 652 int pos = 0, i; 653 const size_t bufsz = sizeof(buf); 654 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 655 656 pos += scnprintf(buf + pos, bufsz - pos, 657 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 658 pos += scnprintf(buf + pos, bufsz - pos, 659 "RX/TX timeout: %d/%d usec\n", 660 le32_to_cpu(cmd->rx_data_timeout), 661 le32_to_cpu(cmd->tx_data_timeout)); 662 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 663 pos += scnprintf(buf + pos, bufsz - pos, 664 "sleep_interval[%d]: %d\n", i, 665 le32_to_cpu(cmd->sleep_interval[i])); 666 667 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 668 } 669 670 DEBUGFS_READ_WRITE_FILE_OPS(sram); 671 DEBUGFS_READ_FILE_OPS(wowlan_sram); 672 DEBUGFS_READ_FILE_OPS(nvm); 673 DEBUGFS_READ_FILE_OPS(stations); 674 DEBUGFS_READ_FILE_OPS(channels); 675 DEBUGFS_READ_FILE_OPS(status); 676 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); 677 DEBUGFS_READ_FILE_OPS(qos); 678 DEBUGFS_READ_FILE_OPS(thermal_throttling); 679 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 680 DEBUGFS_READ_FILE_OPS(temperature); 681 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 682 DEBUGFS_READ_FILE_OPS(current_sleep_command); 683 684 #define fmt_value " %-30s %10u\n" 685 #define fmt_hex " %-30s 0x%02X\n" 686 #define fmt_table " %-30s %10u %10u %10u %10u\n" 687 #define fmt_header "%-32s current cumulative delta max\n" 688 689 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) 690 { 691 int p = 0; 692 u32 flag; 693 694 lockdep_assert_held(&priv->statistics.lock); 695 696 flag = le32_to_cpu(priv->statistics.flag); 697 698 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); 699 if (flag & UCODE_STATISTICS_CLEAR_MSK) 700 p += scnprintf(buf + p, bufsz - p, 701 "\tStatistics have been cleared\n"); 702 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", 703 (flag & UCODE_STATISTICS_FREQUENCY_MSK) 704 ? "2.4 GHz" : "5.2 GHz"); 705 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", 706 (flag & UCODE_STATISTICS_NARROW_BAND_MSK) 707 ? "enabled" : "disabled"); 708 709 return p; 710 } 711 712 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 713 char __user *user_buf, 714 size_t count, loff_t *ppos) 715 { 716 struct iwl_priv *priv = file->private_data; 717 int pos = 0; 718 char *buf; 719 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 720 sizeof(struct statistics_rx_non_phy) * 40 + 721 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 722 ssize_t ret; 723 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 724 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 725 struct statistics_rx_non_phy *general, *accum_general; 726 struct statistics_rx_non_phy *delta_general, *max_general; 727 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 728 729 if (!iwl_is_alive(priv)) 730 return -EAGAIN; 731 732 buf = kzalloc(bufsz, GFP_KERNEL); 733 if (!buf) 734 return -ENOMEM; 735 736 /* 737 * the statistic information display here is based on 738 * the last statistics notification from uCode 739 * might not reflect the current uCode activity 740 */ 741 spin_lock_bh(&priv->statistics.lock); 742 ofdm = &priv->statistics.rx_ofdm; 743 cck = &priv->statistics.rx_cck; 744 general = &priv->statistics.rx_non_phy; 745 ht = &priv->statistics.rx_ofdm_ht; 746 accum_ofdm = &priv->accum_stats.rx_ofdm; 747 accum_cck = &priv->accum_stats.rx_cck; 748 accum_general = &priv->accum_stats.rx_non_phy; 749 accum_ht = &priv->accum_stats.rx_ofdm_ht; 750 delta_ofdm = &priv->delta_stats.rx_ofdm; 751 delta_cck = &priv->delta_stats.rx_cck; 752 delta_general = &priv->delta_stats.rx_non_phy; 753 delta_ht = &priv->delta_stats.rx_ofdm_ht; 754 max_ofdm = &priv->max_delta_stats.rx_ofdm; 755 max_cck = &priv->max_delta_stats.rx_cck; 756 max_general = &priv->max_delta_stats.rx_non_phy; 757 max_ht = &priv->max_delta_stats.rx_ofdm_ht; 758 759 pos += iwl_statistics_flag(priv, buf, bufsz); 760 pos += scnprintf(buf + pos, bufsz - pos, 761 fmt_header, "Statistics_Rx - OFDM:"); 762 pos += scnprintf(buf + pos, bufsz - pos, 763 fmt_table, "ina_cnt:", 764 le32_to_cpu(ofdm->ina_cnt), 765 accum_ofdm->ina_cnt, 766 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 767 pos += scnprintf(buf + pos, bufsz - pos, 768 fmt_table, "fina_cnt:", 769 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 770 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 771 pos += scnprintf(buf + pos, bufsz - pos, 772 fmt_table, "plcp_err:", 773 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 774 delta_ofdm->plcp_err, max_ofdm->plcp_err); 775 pos += scnprintf(buf + pos, bufsz - pos, 776 fmt_table, "crc32_err:", 777 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 778 delta_ofdm->crc32_err, max_ofdm->crc32_err); 779 pos += scnprintf(buf + pos, bufsz - pos, 780 fmt_table, "overrun_err:", 781 le32_to_cpu(ofdm->overrun_err), 782 accum_ofdm->overrun_err, delta_ofdm->overrun_err, 783 max_ofdm->overrun_err); 784 pos += scnprintf(buf + pos, bufsz - pos, 785 fmt_table, "early_overrun_err:", 786 le32_to_cpu(ofdm->early_overrun_err), 787 accum_ofdm->early_overrun_err, 788 delta_ofdm->early_overrun_err, 789 max_ofdm->early_overrun_err); 790 pos += scnprintf(buf + pos, bufsz - pos, 791 fmt_table, "crc32_good:", 792 le32_to_cpu(ofdm->crc32_good), 793 accum_ofdm->crc32_good, delta_ofdm->crc32_good, 794 max_ofdm->crc32_good); 795 pos += scnprintf(buf + pos, bufsz - pos, 796 fmt_table, "false_alarm_cnt:", 797 le32_to_cpu(ofdm->false_alarm_cnt), 798 accum_ofdm->false_alarm_cnt, 799 delta_ofdm->false_alarm_cnt, 800 max_ofdm->false_alarm_cnt); 801 pos += scnprintf(buf + pos, bufsz - pos, 802 fmt_table, "fina_sync_err_cnt:", 803 le32_to_cpu(ofdm->fina_sync_err_cnt), 804 accum_ofdm->fina_sync_err_cnt, 805 delta_ofdm->fina_sync_err_cnt, 806 max_ofdm->fina_sync_err_cnt); 807 pos += scnprintf(buf + pos, bufsz - pos, 808 fmt_table, "sfd_timeout:", 809 le32_to_cpu(ofdm->sfd_timeout), 810 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, 811 max_ofdm->sfd_timeout); 812 pos += scnprintf(buf + pos, bufsz - pos, 813 fmt_table, "fina_timeout:", 814 le32_to_cpu(ofdm->fina_timeout), 815 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, 816 max_ofdm->fina_timeout); 817 pos += scnprintf(buf + pos, bufsz - pos, 818 fmt_table, "unresponded_rts:", 819 le32_to_cpu(ofdm->unresponded_rts), 820 accum_ofdm->unresponded_rts, 821 delta_ofdm->unresponded_rts, 822 max_ofdm->unresponded_rts); 823 pos += scnprintf(buf + pos, bufsz - pos, 824 fmt_table, "rxe_frame_lmt_ovrun:", 825 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 826 accum_ofdm->rxe_frame_limit_overrun, 827 delta_ofdm->rxe_frame_limit_overrun, 828 max_ofdm->rxe_frame_limit_overrun); 829 pos += scnprintf(buf + pos, bufsz - pos, 830 fmt_table, "sent_ack_cnt:", 831 le32_to_cpu(ofdm->sent_ack_cnt), 832 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, 833 max_ofdm->sent_ack_cnt); 834 pos += scnprintf(buf + pos, bufsz - pos, 835 fmt_table, "sent_cts_cnt:", 836 le32_to_cpu(ofdm->sent_cts_cnt), 837 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, 838 max_ofdm->sent_cts_cnt); 839 pos += scnprintf(buf + pos, bufsz - pos, 840 fmt_table, "sent_ba_rsp_cnt:", 841 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 842 accum_ofdm->sent_ba_rsp_cnt, 843 delta_ofdm->sent_ba_rsp_cnt, 844 max_ofdm->sent_ba_rsp_cnt); 845 pos += scnprintf(buf + pos, bufsz - pos, 846 fmt_table, "dsp_self_kill:", 847 le32_to_cpu(ofdm->dsp_self_kill), 848 accum_ofdm->dsp_self_kill, 849 delta_ofdm->dsp_self_kill, 850 max_ofdm->dsp_self_kill); 851 pos += scnprintf(buf + pos, bufsz - pos, 852 fmt_table, "mh_format_err:", 853 le32_to_cpu(ofdm->mh_format_err), 854 accum_ofdm->mh_format_err, 855 delta_ofdm->mh_format_err, 856 max_ofdm->mh_format_err); 857 pos += scnprintf(buf + pos, bufsz - pos, 858 fmt_table, "re_acq_main_rssi_sum:", 859 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 860 accum_ofdm->re_acq_main_rssi_sum, 861 delta_ofdm->re_acq_main_rssi_sum, 862 max_ofdm->re_acq_main_rssi_sum); 863 864 pos += scnprintf(buf + pos, bufsz - pos, 865 fmt_header, "Statistics_Rx - CCK:"); 866 pos += scnprintf(buf + pos, bufsz - pos, 867 fmt_table, "ina_cnt:", 868 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 869 delta_cck->ina_cnt, max_cck->ina_cnt); 870 pos += scnprintf(buf + pos, bufsz - pos, 871 fmt_table, "fina_cnt:", 872 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 873 delta_cck->fina_cnt, max_cck->fina_cnt); 874 pos += scnprintf(buf + pos, bufsz - pos, 875 fmt_table, "plcp_err:", 876 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 877 delta_cck->plcp_err, max_cck->plcp_err); 878 pos += scnprintf(buf + pos, bufsz - pos, 879 fmt_table, "crc32_err:", 880 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 881 delta_cck->crc32_err, max_cck->crc32_err); 882 pos += scnprintf(buf + pos, bufsz - pos, 883 fmt_table, "overrun_err:", 884 le32_to_cpu(cck->overrun_err), 885 accum_cck->overrun_err, delta_cck->overrun_err, 886 max_cck->overrun_err); 887 pos += scnprintf(buf + pos, bufsz - pos, 888 fmt_table, "early_overrun_err:", 889 le32_to_cpu(cck->early_overrun_err), 890 accum_cck->early_overrun_err, 891 delta_cck->early_overrun_err, 892 max_cck->early_overrun_err); 893 pos += scnprintf(buf + pos, bufsz - pos, 894 fmt_table, "crc32_good:", 895 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 896 delta_cck->crc32_good, max_cck->crc32_good); 897 pos += scnprintf(buf + pos, bufsz - pos, 898 fmt_table, "false_alarm_cnt:", 899 le32_to_cpu(cck->false_alarm_cnt), 900 accum_cck->false_alarm_cnt, 901 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 902 pos += scnprintf(buf + pos, bufsz - pos, 903 fmt_table, "fina_sync_err_cnt:", 904 le32_to_cpu(cck->fina_sync_err_cnt), 905 accum_cck->fina_sync_err_cnt, 906 delta_cck->fina_sync_err_cnt, 907 max_cck->fina_sync_err_cnt); 908 pos += scnprintf(buf + pos, bufsz - pos, 909 fmt_table, "sfd_timeout:", 910 le32_to_cpu(cck->sfd_timeout), 911 accum_cck->sfd_timeout, delta_cck->sfd_timeout, 912 max_cck->sfd_timeout); 913 pos += scnprintf(buf + pos, bufsz - pos, 914 fmt_table, "fina_timeout:", 915 le32_to_cpu(cck->fina_timeout), 916 accum_cck->fina_timeout, delta_cck->fina_timeout, 917 max_cck->fina_timeout); 918 pos += scnprintf(buf + pos, bufsz - pos, 919 fmt_table, "unresponded_rts:", 920 le32_to_cpu(cck->unresponded_rts), 921 accum_cck->unresponded_rts, delta_cck->unresponded_rts, 922 max_cck->unresponded_rts); 923 pos += scnprintf(buf + pos, bufsz - pos, 924 fmt_table, "rxe_frame_lmt_ovrun:", 925 le32_to_cpu(cck->rxe_frame_limit_overrun), 926 accum_cck->rxe_frame_limit_overrun, 927 delta_cck->rxe_frame_limit_overrun, 928 max_cck->rxe_frame_limit_overrun); 929 pos += scnprintf(buf + pos, bufsz - pos, 930 fmt_table, "sent_ack_cnt:", 931 le32_to_cpu(cck->sent_ack_cnt), 932 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, 933 max_cck->sent_ack_cnt); 934 pos += scnprintf(buf + pos, bufsz - pos, 935 fmt_table, "sent_cts_cnt:", 936 le32_to_cpu(cck->sent_cts_cnt), 937 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, 938 max_cck->sent_cts_cnt); 939 pos += scnprintf(buf + pos, bufsz - pos, 940 fmt_table, "sent_ba_rsp_cnt:", 941 le32_to_cpu(cck->sent_ba_rsp_cnt), 942 accum_cck->sent_ba_rsp_cnt, 943 delta_cck->sent_ba_rsp_cnt, 944 max_cck->sent_ba_rsp_cnt); 945 pos += scnprintf(buf + pos, bufsz - pos, 946 fmt_table, "dsp_self_kill:", 947 le32_to_cpu(cck->dsp_self_kill), 948 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, 949 max_cck->dsp_self_kill); 950 pos += scnprintf(buf + pos, bufsz - pos, 951 fmt_table, "mh_format_err:", 952 le32_to_cpu(cck->mh_format_err), 953 accum_cck->mh_format_err, delta_cck->mh_format_err, 954 max_cck->mh_format_err); 955 pos += scnprintf(buf + pos, bufsz - pos, 956 fmt_table, "re_acq_main_rssi_sum:", 957 le32_to_cpu(cck->re_acq_main_rssi_sum), 958 accum_cck->re_acq_main_rssi_sum, 959 delta_cck->re_acq_main_rssi_sum, 960 max_cck->re_acq_main_rssi_sum); 961 962 pos += scnprintf(buf + pos, bufsz - pos, 963 fmt_header, "Statistics_Rx - GENERAL:"); 964 pos += scnprintf(buf + pos, bufsz - pos, 965 fmt_table, "bogus_cts:", 966 le32_to_cpu(general->bogus_cts), 967 accum_general->bogus_cts, delta_general->bogus_cts, 968 max_general->bogus_cts); 969 pos += scnprintf(buf + pos, bufsz - pos, 970 fmt_table, "bogus_ack:", 971 le32_to_cpu(general->bogus_ack), 972 accum_general->bogus_ack, delta_general->bogus_ack, 973 max_general->bogus_ack); 974 pos += scnprintf(buf + pos, bufsz - pos, 975 fmt_table, "non_bssid_frames:", 976 le32_to_cpu(general->non_bssid_frames), 977 accum_general->non_bssid_frames, 978 delta_general->non_bssid_frames, 979 max_general->non_bssid_frames); 980 pos += scnprintf(buf + pos, bufsz - pos, 981 fmt_table, "filtered_frames:", 982 le32_to_cpu(general->filtered_frames), 983 accum_general->filtered_frames, 984 delta_general->filtered_frames, 985 max_general->filtered_frames); 986 pos += scnprintf(buf + pos, bufsz - pos, 987 fmt_table, "non_channel_beacons:", 988 le32_to_cpu(general->non_channel_beacons), 989 accum_general->non_channel_beacons, 990 delta_general->non_channel_beacons, 991 max_general->non_channel_beacons); 992 pos += scnprintf(buf + pos, bufsz - pos, 993 fmt_table, "channel_beacons:", 994 le32_to_cpu(general->channel_beacons), 995 accum_general->channel_beacons, 996 delta_general->channel_beacons, 997 max_general->channel_beacons); 998 pos += scnprintf(buf + pos, bufsz - pos, 999 fmt_table, "num_missed_bcon:", 1000 le32_to_cpu(general->num_missed_bcon), 1001 accum_general->num_missed_bcon, 1002 delta_general->num_missed_bcon, 1003 max_general->num_missed_bcon); 1004 pos += scnprintf(buf + pos, bufsz - pos, 1005 fmt_table, "adc_rx_saturation_time:", 1006 le32_to_cpu(general->adc_rx_saturation_time), 1007 accum_general->adc_rx_saturation_time, 1008 delta_general->adc_rx_saturation_time, 1009 max_general->adc_rx_saturation_time); 1010 pos += scnprintf(buf + pos, bufsz - pos, 1011 fmt_table, "ina_detect_search_tm:", 1012 le32_to_cpu(general->ina_detection_search_time), 1013 accum_general->ina_detection_search_time, 1014 delta_general->ina_detection_search_time, 1015 max_general->ina_detection_search_time); 1016 pos += scnprintf(buf + pos, bufsz - pos, 1017 fmt_table, "beacon_silence_rssi_a:", 1018 le32_to_cpu(general->beacon_silence_rssi_a), 1019 accum_general->beacon_silence_rssi_a, 1020 delta_general->beacon_silence_rssi_a, 1021 max_general->beacon_silence_rssi_a); 1022 pos += scnprintf(buf + pos, bufsz - pos, 1023 fmt_table, "beacon_silence_rssi_b:", 1024 le32_to_cpu(general->beacon_silence_rssi_b), 1025 accum_general->beacon_silence_rssi_b, 1026 delta_general->beacon_silence_rssi_b, 1027 max_general->beacon_silence_rssi_b); 1028 pos += scnprintf(buf + pos, bufsz - pos, 1029 fmt_table, "beacon_silence_rssi_c:", 1030 le32_to_cpu(general->beacon_silence_rssi_c), 1031 accum_general->beacon_silence_rssi_c, 1032 delta_general->beacon_silence_rssi_c, 1033 max_general->beacon_silence_rssi_c); 1034 pos += scnprintf(buf + pos, bufsz - pos, 1035 fmt_table, "interference_data_flag:", 1036 le32_to_cpu(general->interference_data_flag), 1037 accum_general->interference_data_flag, 1038 delta_general->interference_data_flag, 1039 max_general->interference_data_flag); 1040 pos += scnprintf(buf + pos, bufsz - pos, 1041 fmt_table, "channel_load:", 1042 le32_to_cpu(general->channel_load), 1043 accum_general->channel_load, 1044 delta_general->channel_load, 1045 max_general->channel_load); 1046 pos += scnprintf(buf + pos, bufsz - pos, 1047 fmt_table, "dsp_false_alarms:", 1048 le32_to_cpu(general->dsp_false_alarms), 1049 accum_general->dsp_false_alarms, 1050 delta_general->dsp_false_alarms, 1051 max_general->dsp_false_alarms); 1052 pos += scnprintf(buf + pos, bufsz - pos, 1053 fmt_table, "beacon_rssi_a:", 1054 le32_to_cpu(general->beacon_rssi_a), 1055 accum_general->beacon_rssi_a, 1056 delta_general->beacon_rssi_a, 1057 max_general->beacon_rssi_a); 1058 pos += scnprintf(buf + pos, bufsz - pos, 1059 fmt_table, "beacon_rssi_b:", 1060 le32_to_cpu(general->beacon_rssi_b), 1061 accum_general->beacon_rssi_b, 1062 delta_general->beacon_rssi_b, 1063 max_general->beacon_rssi_b); 1064 pos += scnprintf(buf + pos, bufsz - pos, 1065 fmt_table, "beacon_rssi_c:", 1066 le32_to_cpu(general->beacon_rssi_c), 1067 accum_general->beacon_rssi_c, 1068 delta_general->beacon_rssi_c, 1069 max_general->beacon_rssi_c); 1070 pos += scnprintf(buf + pos, bufsz - pos, 1071 fmt_table, "beacon_energy_a:", 1072 le32_to_cpu(general->beacon_energy_a), 1073 accum_general->beacon_energy_a, 1074 delta_general->beacon_energy_a, 1075 max_general->beacon_energy_a); 1076 pos += scnprintf(buf + pos, bufsz - pos, 1077 fmt_table, "beacon_energy_b:", 1078 le32_to_cpu(general->beacon_energy_b), 1079 accum_general->beacon_energy_b, 1080 delta_general->beacon_energy_b, 1081 max_general->beacon_energy_b); 1082 pos += scnprintf(buf + pos, bufsz - pos, 1083 fmt_table, "beacon_energy_c:", 1084 le32_to_cpu(general->beacon_energy_c), 1085 accum_general->beacon_energy_c, 1086 delta_general->beacon_energy_c, 1087 max_general->beacon_energy_c); 1088 1089 pos += scnprintf(buf + pos, bufsz - pos, 1090 fmt_header, "Statistics_Rx - OFDM_HT:"); 1091 pos += scnprintf(buf + pos, bufsz - pos, 1092 fmt_table, "plcp_err:", 1093 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1094 delta_ht->plcp_err, max_ht->plcp_err); 1095 pos += scnprintf(buf + pos, bufsz - pos, 1096 fmt_table, "overrun_err:", 1097 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1098 delta_ht->overrun_err, max_ht->overrun_err); 1099 pos += scnprintf(buf + pos, bufsz - pos, 1100 fmt_table, "early_overrun_err:", 1101 le32_to_cpu(ht->early_overrun_err), 1102 accum_ht->early_overrun_err, 1103 delta_ht->early_overrun_err, 1104 max_ht->early_overrun_err); 1105 pos += scnprintf(buf + pos, bufsz - pos, 1106 fmt_table, "crc32_good:", 1107 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1108 delta_ht->crc32_good, max_ht->crc32_good); 1109 pos += scnprintf(buf + pos, bufsz - pos, 1110 fmt_table, "crc32_err:", 1111 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1112 delta_ht->crc32_err, max_ht->crc32_err); 1113 pos += scnprintf(buf + pos, bufsz - pos, 1114 fmt_table, "mh_format_err:", 1115 le32_to_cpu(ht->mh_format_err), 1116 accum_ht->mh_format_err, 1117 delta_ht->mh_format_err, max_ht->mh_format_err); 1118 pos += scnprintf(buf + pos, bufsz - pos, 1119 fmt_table, "agg_crc32_good:", 1120 le32_to_cpu(ht->agg_crc32_good), 1121 accum_ht->agg_crc32_good, 1122 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1123 pos += scnprintf(buf + pos, bufsz - pos, 1124 fmt_table, "agg_mpdu_cnt:", 1125 le32_to_cpu(ht->agg_mpdu_cnt), 1126 accum_ht->agg_mpdu_cnt, 1127 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1128 pos += scnprintf(buf + pos, bufsz - pos, 1129 fmt_table, "agg_cnt:", 1130 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1131 delta_ht->agg_cnt, max_ht->agg_cnt); 1132 pos += scnprintf(buf + pos, bufsz - pos, 1133 fmt_table, "unsupport_mcs:", 1134 le32_to_cpu(ht->unsupport_mcs), 1135 accum_ht->unsupport_mcs, 1136 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1137 1138 spin_unlock_bh(&priv->statistics.lock); 1139 1140 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1141 kfree(buf); 1142 return ret; 1143 } 1144 1145 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1146 char __user *user_buf, 1147 size_t count, loff_t *ppos) 1148 { 1149 struct iwl_priv *priv = file->private_data; 1150 int pos = 0; 1151 char *buf; 1152 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1153 ssize_t ret; 1154 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1155 1156 if (!iwl_is_alive(priv)) 1157 return -EAGAIN; 1158 1159 buf = kzalloc(bufsz, GFP_KERNEL); 1160 if (!buf) 1161 return -ENOMEM; 1162 1163 /* the statistic information display here is based on 1164 * the last statistics notification from uCode 1165 * might not reflect the current uCode activity 1166 */ 1167 spin_lock_bh(&priv->statistics.lock); 1168 1169 tx = &priv->statistics.tx; 1170 accum_tx = &priv->accum_stats.tx; 1171 delta_tx = &priv->delta_stats.tx; 1172 max_tx = &priv->max_delta_stats.tx; 1173 1174 pos += iwl_statistics_flag(priv, buf, bufsz); 1175 pos += scnprintf(buf + pos, bufsz - pos, 1176 fmt_header, "Statistics_Tx:"); 1177 pos += scnprintf(buf + pos, bufsz - pos, 1178 fmt_table, "preamble:", 1179 le32_to_cpu(tx->preamble_cnt), 1180 accum_tx->preamble_cnt, 1181 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1182 pos += scnprintf(buf + pos, bufsz - pos, 1183 fmt_table, "rx_detected_cnt:", 1184 le32_to_cpu(tx->rx_detected_cnt), 1185 accum_tx->rx_detected_cnt, 1186 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1187 pos += scnprintf(buf + pos, bufsz - pos, 1188 fmt_table, "bt_prio_defer_cnt:", 1189 le32_to_cpu(tx->bt_prio_defer_cnt), 1190 accum_tx->bt_prio_defer_cnt, 1191 delta_tx->bt_prio_defer_cnt, 1192 max_tx->bt_prio_defer_cnt); 1193 pos += scnprintf(buf + pos, bufsz - pos, 1194 fmt_table, "bt_prio_kill_cnt:", 1195 le32_to_cpu(tx->bt_prio_kill_cnt), 1196 accum_tx->bt_prio_kill_cnt, 1197 delta_tx->bt_prio_kill_cnt, 1198 max_tx->bt_prio_kill_cnt); 1199 pos += scnprintf(buf + pos, bufsz - pos, 1200 fmt_table, "few_bytes_cnt:", 1201 le32_to_cpu(tx->few_bytes_cnt), 1202 accum_tx->few_bytes_cnt, 1203 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1204 pos += scnprintf(buf + pos, bufsz - pos, 1205 fmt_table, "cts_timeout:", 1206 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1207 delta_tx->cts_timeout, max_tx->cts_timeout); 1208 pos += scnprintf(buf + pos, bufsz - pos, 1209 fmt_table, "ack_timeout:", 1210 le32_to_cpu(tx->ack_timeout), 1211 accum_tx->ack_timeout, 1212 delta_tx->ack_timeout, max_tx->ack_timeout); 1213 pos += scnprintf(buf + pos, bufsz - pos, 1214 fmt_table, "expected_ack_cnt:", 1215 le32_to_cpu(tx->expected_ack_cnt), 1216 accum_tx->expected_ack_cnt, 1217 delta_tx->expected_ack_cnt, 1218 max_tx->expected_ack_cnt); 1219 pos += scnprintf(buf + pos, bufsz - pos, 1220 fmt_table, "actual_ack_cnt:", 1221 le32_to_cpu(tx->actual_ack_cnt), 1222 accum_tx->actual_ack_cnt, 1223 delta_tx->actual_ack_cnt, 1224 max_tx->actual_ack_cnt); 1225 pos += scnprintf(buf + pos, bufsz - pos, 1226 fmt_table, "dump_msdu_cnt:", 1227 le32_to_cpu(tx->dump_msdu_cnt), 1228 accum_tx->dump_msdu_cnt, 1229 delta_tx->dump_msdu_cnt, 1230 max_tx->dump_msdu_cnt); 1231 pos += scnprintf(buf + pos, bufsz - pos, 1232 fmt_table, "abort_nxt_frame_mismatch:", 1233 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1234 accum_tx->burst_abort_next_frame_mismatch_cnt, 1235 delta_tx->burst_abort_next_frame_mismatch_cnt, 1236 max_tx->burst_abort_next_frame_mismatch_cnt); 1237 pos += scnprintf(buf + pos, bufsz - pos, 1238 fmt_table, "abort_missing_nxt_frame:", 1239 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1240 accum_tx->burst_abort_missing_next_frame_cnt, 1241 delta_tx->burst_abort_missing_next_frame_cnt, 1242 max_tx->burst_abort_missing_next_frame_cnt); 1243 pos += scnprintf(buf + pos, bufsz - pos, 1244 fmt_table, "cts_timeout_collision:", 1245 le32_to_cpu(tx->cts_timeout_collision), 1246 accum_tx->cts_timeout_collision, 1247 delta_tx->cts_timeout_collision, 1248 max_tx->cts_timeout_collision); 1249 pos += scnprintf(buf + pos, bufsz - pos, 1250 fmt_table, "ack_ba_timeout_collision:", 1251 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1252 accum_tx->ack_or_ba_timeout_collision, 1253 delta_tx->ack_or_ba_timeout_collision, 1254 max_tx->ack_or_ba_timeout_collision); 1255 pos += scnprintf(buf + pos, bufsz - pos, 1256 fmt_table, "agg ba_timeout:", 1257 le32_to_cpu(tx->agg.ba_timeout), 1258 accum_tx->agg.ba_timeout, 1259 delta_tx->agg.ba_timeout, 1260 max_tx->agg.ba_timeout); 1261 pos += scnprintf(buf + pos, bufsz - pos, 1262 fmt_table, "agg ba_resched_frames:", 1263 le32_to_cpu(tx->agg.ba_reschedule_frames), 1264 accum_tx->agg.ba_reschedule_frames, 1265 delta_tx->agg.ba_reschedule_frames, 1266 max_tx->agg.ba_reschedule_frames); 1267 pos += scnprintf(buf + pos, bufsz - pos, 1268 fmt_table, "agg scd_query_agg_frame:", 1269 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1270 accum_tx->agg.scd_query_agg_frame_cnt, 1271 delta_tx->agg.scd_query_agg_frame_cnt, 1272 max_tx->agg.scd_query_agg_frame_cnt); 1273 pos += scnprintf(buf + pos, bufsz - pos, 1274 fmt_table, "agg scd_query_no_agg:", 1275 le32_to_cpu(tx->agg.scd_query_no_agg), 1276 accum_tx->agg.scd_query_no_agg, 1277 delta_tx->agg.scd_query_no_agg, 1278 max_tx->agg.scd_query_no_agg); 1279 pos += scnprintf(buf + pos, bufsz - pos, 1280 fmt_table, "agg scd_query_agg:", 1281 le32_to_cpu(tx->agg.scd_query_agg), 1282 accum_tx->agg.scd_query_agg, 1283 delta_tx->agg.scd_query_agg, 1284 max_tx->agg.scd_query_agg); 1285 pos += scnprintf(buf + pos, bufsz - pos, 1286 fmt_table, "agg scd_query_mismatch:", 1287 le32_to_cpu(tx->agg.scd_query_mismatch), 1288 accum_tx->agg.scd_query_mismatch, 1289 delta_tx->agg.scd_query_mismatch, 1290 max_tx->agg.scd_query_mismatch); 1291 pos += scnprintf(buf + pos, bufsz - pos, 1292 fmt_table, "agg frame_not_ready:", 1293 le32_to_cpu(tx->agg.frame_not_ready), 1294 accum_tx->agg.frame_not_ready, 1295 delta_tx->agg.frame_not_ready, 1296 max_tx->agg.frame_not_ready); 1297 pos += scnprintf(buf + pos, bufsz - pos, 1298 fmt_table, "agg underrun:", 1299 le32_to_cpu(tx->agg.underrun), 1300 accum_tx->agg.underrun, 1301 delta_tx->agg.underrun, max_tx->agg.underrun); 1302 pos += scnprintf(buf + pos, bufsz - pos, 1303 fmt_table, "agg bt_prio_kill:", 1304 le32_to_cpu(tx->agg.bt_prio_kill), 1305 accum_tx->agg.bt_prio_kill, 1306 delta_tx->agg.bt_prio_kill, 1307 max_tx->agg.bt_prio_kill); 1308 pos += scnprintf(buf + pos, bufsz - pos, 1309 fmt_table, "agg rx_ba_rsp_cnt:", 1310 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1311 accum_tx->agg.rx_ba_rsp_cnt, 1312 delta_tx->agg.rx_ba_rsp_cnt, 1313 max_tx->agg.rx_ba_rsp_cnt); 1314 1315 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { 1316 pos += scnprintf(buf + pos, bufsz - pos, 1317 "tx power: (1/2 dB step)\n"); 1318 if ((priv->nvm_data->valid_tx_ant & ANT_A) && 1319 tx->tx_power.ant_a) 1320 pos += scnprintf(buf + pos, bufsz - pos, 1321 fmt_hex, "antenna A:", 1322 tx->tx_power.ant_a); 1323 if ((priv->nvm_data->valid_tx_ant & ANT_B) && 1324 tx->tx_power.ant_b) 1325 pos += scnprintf(buf + pos, bufsz - pos, 1326 fmt_hex, "antenna B:", 1327 tx->tx_power.ant_b); 1328 if ((priv->nvm_data->valid_tx_ant & ANT_C) && 1329 tx->tx_power.ant_c) 1330 pos += scnprintf(buf + pos, bufsz - pos, 1331 fmt_hex, "antenna C:", 1332 tx->tx_power.ant_c); 1333 } 1334 1335 spin_unlock_bh(&priv->statistics.lock); 1336 1337 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1338 kfree(buf); 1339 return ret; 1340 } 1341 1342 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1343 char __user *user_buf, 1344 size_t count, loff_t *ppos) 1345 { 1346 struct iwl_priv *priv = file->private_data; 1347 int pos = 0; 1348 char *buf; 1349 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1350 ssize_t ret; 1351 struct statistics_general_common *general, *accum_general; 1352 struct statistics_general_common *delta_general, *max_general; 1353 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1354 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1355 1356 if (!iwl_is_alive(priv)) 1357 return -EAGAIN; 1358 1359 buf = kzalloc(bufsz, GFP_KERNEL); 1360 if (!buf) 1361 return -ENOMEM; 1362 1363 /* the statistic information display here is based on 1364 * the last statistics notification from uCode 1365 * might not reflect the current uCode activity 1366 */ 1367 1368 spin_lock_bh(&priv->statistics.lock); 1369 1370 general = &priv->statistics.common; 1371 dbg = &priv->statistics.common.dbg; 1372 div = &priv->statistics.common.div; 1373 accum_general = &priv->accum_stats.common; 1374 accum_dbg = &priv->accum_stats.common.dbg; 1375 accum_div = &priv->accum_stats.common.div; 1376 delta_general = &priv->delta_stats.common; 1377 max_general = &priv->max_delta_stats.common; 1378 delta_dbg = &priv->delta_stats.common.dbg; 1379 max_dbg = &priv->max_delta_stats.common.dbg; 1380 delta_div = &priv->delta_stats.common.div; 1381 max_div = &priv->max_delta_stats.common.div; 1382 1383 pos += iwl_statistics_flag(priv, buf, bufsz); 1384 pos += scnprintf(buf + pos, bufsz - pos, 1385 fmt_header, "Statistics_General:"); 1386 pos += scnprintf(buf + pos, bufsz - pos, 1387 fmt_value, "temperature:", 1388 le32_to_cpu(general->temperature)); 1389 pos += scnprintf(buf + pos, bufsz - pos, 1390 fmt_value, "temperature_m:", 1391 le32_to_cpu(general->temperature_m)); 1392 pos += scnprintf(buf + pos, bufsz - pos, 1393 fmt_value, "ttl_timestamp:", 1394 le32_to_cpu(general->ttl_timestamp)); 1395 pos += scnprintf(buf + pos, bufsz - pos, 1396 fmt_table, "burst_check:", 1397 le32_to_cpu(dbg->burst_check), 1398 accum_dbg->burst_check, 1399 delta_dbg->burst_check, max_dbg->burst_check); 1400 pos += scnprintf(buf + pos, bufsz - pos, 1401 fmt_table, "burst_count:", 1402 le32_to_cpu(dbg->burst_count), 1403 accum_dbg->burst_count, 1404 delta_dbg->burst_count, max_dbg->burst_count); 1405 pos += scnprintf(buf + pos, bufsz - pos, 1406 fmt_table, "wait_for_silence_timeout_count:", 1407 le32_to_cpu(dbg->wait_for_silence_timeout_cnt), 1408 accum_dbg->wait_for_silence_timeout_cnt, 1409 delta_dbg->wait_for_silence_timeout_cnt, 1410 max_dbg->wait_for_silence_timeout_cnt); 1411 pos += scnprintf(buf + pos, bufsz - pos, 1412 fmt_table, "sleep_time:", 1413 le32_to_cpu(general->sleep_time), 1414 accum_general->sleep_time, 1415 delta_general->sleep_time, max_general->sleep_time); 1416 pos += scnprintf(buf + pos, bufsz - pos, 1417 fmt_table, "slots_out:", 1418 le32_to_cpu(general->slots_out), 1419 accum_general->slots_out, 1420 delta_general->slots_out, max_general->slots_out); 1421 pos += scnprintf(buf + pos, bufsz - pos, 1422 fmt_table, "slots_idle:", 1423 le32_to_cpu(general->slots_idle), 1424 accum_general->slots_idle, 1425 delta_general->slots_idle, max_general->slots_idle); 1426 pos += scnprintf(buf + pos, bufsz - pos, 1427 fmt_table, "tx_on_a:", 1428 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1429 delta_div->tx_on_a, max_div->tx_on_a); 1430 pos += scnprintf(buf + pos, bufsz - pos, 1431 fmt_table, "tx_on_b:", 1432 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1433 delta_div->tx_on_b, max_div->tx_on_b); 1434 pos += scnprintf(buf + pos, bufsz - pos, 1435 fmt_table, "exec_time:", 1436 le32_to_cpu(div->exec_time), accum_div->exec_time, 1437 delta_div->exec_time, max_div->exec_time); 1438 pos += scnprintf(buf + pos, bufsz - pos, 1439 fmt_table, "probe_time:", 1440 le32_to_cpu(div->probe_time), accum_div->probe_time, 1441 delta_div->probe_time, max_div->probe_time); 1442 pos += scnprintf(buf + pos, bufsz - pos, 1443 fmt_table, "rx_enable_counter:", 1444 le32_to_cpu(general->rx_enable_counter), 1445 accum_general->rx_enable_counter, 1446 delta_general->rx_enable_counter, 1447 max_general->rx_enable_counter); 1448 pos += scnprintf(buf + pos, bufsz - pos, 1449 fmt_table, "num_of_sos_states:", 1450 le32_to_cpu(general->num_of_sos_states), 1451 accum_general->num_of_sos_states, 1452 delta_general->num_of_sos_states, 1453 max_general->num_of_sos_states); 1454 1455 spin_unlock_bh(&priv->statistics.lock); 1456 1457 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1458 kfree(buf); 1459 return ret; 1460 } 1461 1462 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, 1463 char __user *user_buf, 1464 size_t count, loff_t *ppos) 1465 { 1466 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1467 int pos = 0; 1468 char *buf; 1469 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; 1470 ssize_t ret; 1471 struct statistics_bt_activity *bt, *accum_bt; 1472 1473 if (!iwl_is_alive(priv)) 1474 return -EAGAIN; 1475 1476 if (!priv->bt_enable_flag) 1477 return -EINVAL; 1478 1479 /* make request to uCode to retrieve statistics information */ 1480 mutex_lock(&priv->mutex); 1481 ret = iwl_send_statistics_request(priv, 0, false); 1482 mutex_unlock(&priv->mutex); 1483 1484 if (ret) 1485 return -EAGAIN; 1486 buf = kzalloc(bufsz, GFP_KERNEL); 1487 if (!buf) 1488 return -ENOMEM; 1489 1490 /* 1491 * the statistic information display here is based on 1492 * the last statistics notification from uCode 1493 * might not reflect the current uCode activity 1494 */ 1495 1496 spin_lock_bh(&priv->statistics.lock); 1497 1498 bt = &priv->statistics.bt_activity; 1499 accum_bt = &priv->accum_stats.bt_activity; 1500 1501 pos += iwl_statistics_flag(priv, buf, bufsz); 1502 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); 1503 pos += scnprintf(buf + pos, bufsz - pos, 1504 "\t\t\tcurrent\t\t\taccumulative\n"); 1505 pos += scnprintf(buf + pos, bufsz - pos, 1506 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1507 le32_to_cpu(bt->hi_priority_tx_req_cnt), 1508 accum_bt->hi_priority_tx_req_cnt); 1509 pos += scnprintf(buf + pos, bufsz - pos, 1510 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1511 le32_to_cpu(bt->hi_priority_tx_denied_cnt), 1512 accum_bt->hi_priority_tx_denied_cnt); 1513 pos += scnprintf(buf + pos, bufsz - pos, 1514 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", 1515 le32_to_cpu(bt->lo_priority_tx_req_cnt), 1516 accum_bt->lo_priority_tx_req_cnt); 1517 pos += scnprintf(buf + pos, bufsz - pos, 1518 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", 1519 le32_to_cpu(bt->lo_priority_tx_denied_cnt), 1520 accum_bt->lo_priority_tx_denied_cnt); 1521 pos += scnprintf(buf + pos, bufsz - pos, 1522 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1523 le32_to_cpu(bt->hi_priority_rx_req_cnt), 1524 accum_bt->hi_priority_rx_req_cnt); 1525 pos += scnprintf(buf + pos, bufsz - pos, 1526 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1527 le32_to_cpu(bt->hi_priority_rx_denied_cnt), 1528 accum_bt->hi_priority_rx_denied_cnt); 1529 pos += scnprintf(buf + pos, bufsz - pos, 1530 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", 1531 le32_to_cpu(bt->lo_priority_rx_req_cnt), 1532 accum_bt->lo_priority_rx_req_cnt); 1533 pos += scnprintf(buf + pos, bufsz - pos, 1534 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", 1535 le32_to_cpu(bt->lo_priority_rx_denied_cnt), 1536 accum_bt->lo_priority_rx_denied_cnt); 1537 1538 pos += scnprintf(buf + pos, bufsz - pos, 1539 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", 1540 le32_to_cpu(priv->statistics.num_bt_kills), 1541 priv->statistics.accum_num_bt_kills); 1542 1543 spin_unlock_bh(&priv->statistics.lock); 1544 1545 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1546 kfree(buf); 1547 return ret; 1548 } 1549 1550 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, 1551 char __user *user_buf, 1552 size_t count, loff_t *ppos) 1553 { 1554 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 1555 int pos = 0; 1556 char *buf; 1557 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 1558 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; 1559 ssize_t ret; 1560 1561 if (!iwl_is_alive(priv)) 1562 return -EAGAIN; 1563 1564 buf = kzalloc(bufsz, GFP_KERNEL); 1565 if (!buf) 1566 return -ENOMEM; 1567 1568 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); 1569 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", 1570 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), 1571 priv->reply_tx_stats.pp_delay); 1572 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1573 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), 1574 priv->reply_tx_stats.pp_few_bytes); 1575 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1576 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), 1577 priv->reply_tx_stats.pp_bt_prio); 1578 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1579 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), 1580 priv->reply_tx_stats.pp_quiet_period); 1581 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1582 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), 1583 priv->reply_tx_stats.pp_calc_ttak); 1584 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1585 iwl_get_tx_fail_reason( 1586 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), 1587 priv->reply_tx_stats.int_crossed_retry); 1588 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1589 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), 1590 priv->reply_tx_stats.short_limit); 1591 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1592 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), 1593 priv->reply_tx_stats.long_limit); 1594 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1595 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), 1596 priv->reply_tx_stats.fifo_underrun); 1597 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1598 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), 1599 priv->reply_tx_stats.drain_flow); 1600 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1601 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), 1602 priv->reply_tx_stats.rfkill_flush); 1603 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1604 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), 1605 priv->reply_tx_stats.life_expire); 1606 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1607 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), 1608 priv->reply_tx_stats.dest_ps); 1609 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1610 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), 1611 priv->reply_tx_stats.host_abort); 1612 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1613 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), 1614 priv->reply_tx_stats.pp_delay); 1615 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1616 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), 1617 priv->reply_tx_stats.sta_invalid); 1618 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1619 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), 1620 priv->reply_tx_stats.frag_drop); 1621 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1622 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), 1623 priv->reply_tx_stats.tid_disable); 1624 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1625 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), 1626 priv->reply_tx_stats.fifo_flush); 1627 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1628 iwl_get_tx_fail_reason( 1629 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), 1630 priv->reply_tx_stats.insuff_cf_poll); 1631 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1632 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), 1633 priv->reply_tx_stats.fail_hw_drop); 1634 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1635 iwl_get_tx_fail_reason( 1636 TX_STATUS_FAIL_NO_BEACON_ON_RADAR), 1637 priv->reply_tx_stats.sta_color_mismatch); 1638 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1639 priv->reply_tx_stats.unknown); 1640 1641 pos += scnprintf(buf + pos, bufsz - pos, 1642 "\nStatistics_Agg_TX_Error:\n"); 1643 1644 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1645 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), 1646 priv->reply_agg_tx_stats.underrun); 1647 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1648 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), 1649 priv->reply_agg_tx_stats.bt_prio); 1650 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1651 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), 1652 priv->reply_agg_tx_stats.few_bytes); 1653 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1654 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), 1655 priv->reply_agg_tx_stats.abort); 1656 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1657 iwl_get_agg_tx_fail_reason( 1658 AGG_TX_STATE_LAST_SENT_TTL_MSK), 1659 priv->reply_agg_tx_stats.last_sent_ttl); 1660 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1661 iwl_get_agg_tx_fail_reason( 1662 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), 1663 priv->reply_agg_tx_stats.last_sent_try); 1664 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1665 iwl_get_agg_tx_fail_reason( 1666 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), 1667 priv->reply_agg_tx_stats.last_sent_bt_kill); 1668 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1669 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), 1670 priv->reply_agg_tx_stats.scd_query); 1671 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", 1672 iwl_get_agg_tx_fail_reason( 1673 AGG_TX_STATE_TEST_BAD_CRC32_MSK), 1674 priv->reply_agg_tx_stats.bad_crc32); 1675 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1676 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), 1677 priv->reply_agg_tx_stats.response); 1678 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1679 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), 1680 priv->reply_agg_tx_stats.dump_tx); 1681 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", 1682 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), 1683 priv->reply_agg_tx_stats.delay_tx); 1684 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", 1685 priv->reply_agg_tx_stats.unknown); 1686 1687 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1688 kfree(buf); 1689 return ret; 1690 } 1691 1692 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1693 char __user *user_buf, 1694 size_t count, loff_t *ppos) { 1695 1696 struct iwl_priv *priv = file->private_data; 1697 int pos = 0; 1698 int cnt = 0; 1699 char *buf; 1700 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1701 ssize_t ret; 1702 struct iwl_sensitivity_data *data; 1703 1704 data = &priv->sensitivity_data; 1705 buf = kzalloc(bufsz, GFP_KERNEL); 1706 if (!buf) 1707 return -ENOMEM; 1708 1709 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1710 data->auto_corr_ofdm); 1711 pos += scnprintf(buf + pos, bufsz - pos, 1712 "auto_corr_ofdm_mrc:\t\t %u\n", 1713 data->auto_corr_ofdm_mrc); 1714 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1715 data->auto_corr_ofdm_x1); 1716 pos += scnprintf(buf + pos, bufsz - pos, 1717 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1718 data->auto_corr_ofdm_mrc_x1); 1719 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1720 data->auto_corr_cck); 1721 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1722 data->auto_corr_cck_mrc); 1723 pos += scnprintf(buf + pos, bufsz - pos, 1724 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1725 data->last_bad_plcp_cnt_ofdm); 1726 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1727 data->last_fa_cnt_ofdm); 1728 pos += scnprintf(buf + pos, bufsz - pos, 1729 "last_bad_plcp_cnt_cck:\t\t %u\n", 1730 data->last_bad_plcp_cnt_cck); 1731 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1732 data->last_fa_cnt_cck); 1733 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1734 data->nrg_curr_state); 1735 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1736 data->nrg_prev_state); 1737 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1738 for (cnt = 0; cnt < 10; cnt++) { 1739 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1740 data->nrg_value[cnt]); 1741 } 1742 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1743 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1744 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1745 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1746 data->nrg_silence_rssi[cnt]); 1747 } 1748 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1749 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1750 data->nrg_silence_ref); 1751 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1752 data->nrg_energy_idx); 1753 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1754 data->nrg_silence_idx); 1755 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1756 data->nrg_th_cck); 1757 pos += scnprintf(buf + pos, bufsz - pos, 1758 "nrg_auto_corr_silence_diff:\t %u\n", 1759 data->nrg_auto_corr_silence_diff); 1760 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1761 data->num_in_cck_no_fa); 1762 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1763 data->nrg_th_ofdm); 1764 1765 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1766 kfree(buf); 1767 return ret; 1768 } 1769 1770 1771 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1772 char __user *user_buf, 1773 size_t count, loff_t *ppos) { 1774 1775 struct iwl_priv *priv = file->private_data; 1776 int pos = 0; 1777 int cnt = 0; 1778 char *buf; 1779 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1780 ssize_t ret; 1781 struct iwl_chain_noise_data *data; 1782 1783 data = &priv->chain_noise_data; 1784 buf = kzalloc(bufsz, GFP_KERNEL); 1785 if (!buf) 1786 return -ENOMEM; 1787 1788 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1789 data->active_chains); 1790 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1791 data->chain_noise_a); 1792 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1793 data->chain_noise_b); 1794 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1795 data->chain_noise_c); 1796 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1797 data->chain_signal_a); 1798 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1799 data->chain_signal_b); 1800 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1801 data->chain_signal_c); 1802 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1803 data->beacon_count); 1804 1805 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1806 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1807 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1808 data->disconn_array[cnt]); 1809 } 1810 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1811 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1812 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1813 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1814 data->delta_gain_code[cnt]); 1815 } 1816 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1817 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1818 data->radio_write); 1819 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1820 data->state); 1821 1822 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1823 kfree(buf); 1824 return ret; 1825 } 1826 1827 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1828 char __user *user_buf, 1829 size_t count, loff_t *ppos) 1830 { 1831 struct iwl_priv *priv = file->private_data; 1832 char buf[60]; 1833 int pos = 0; 1834 const size_t bufsz = sizeof(buf); 1835 u32 pwrsave_status; 1836 1837 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) & 1838 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1839 1840 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1841 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1842 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1843 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1844 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1845 "error"); 1846 1847 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1848 } 1849 1850 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1851 const char __user *user_buf, 1852 size_t count, loff_t *ppos) 1853 { 1854 struct iwl_priv *priv = file->private_data; 1855 char buf[8]; 1856 int buf_size; 1857 int clear; 1858 1859 memset(buf, 0, sizeof(buf)); 1860 buf_size = min(count, sizeof(buf) - 1); 1861 if (copy_from_user(buf, user_buf, buf_size)) 1862 return -EFAULT; 1863 if (sscanf(buf, "%d", &clear) != 1) 1864 return -EFAULT; 1865 1866 /* make request to uCode to retrieve statistics information */ 1867 mutex_lock(&priv->mutex); 1868 iwl_send_statistics_request(priv, 0, true); 1869 mutex_unlock(&priv->mutex); 1870 1871 return count; 1872 } 1873 1874 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 1875 char __user *user_buf, 1876 size_t count, loff_t *ppos) { 1877 1878 struct iwl_priv *priv = file->private_data; 1879 int pos = 0; 1880 char buf[128]; 1881 const size_t bufsz = sizeof(buf); 1882 1883 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 1884 priv->event_log.ucode_trace ? "On" : "Off"); 1885 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 1886 priv->event_log.non_wraps_count); 1887 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 1888 priv->event_log.wraps_once_count); 1889 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 1890 priv->event_log.wraps_more_count); 1891 1892 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1893 } 1894 1895 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 1896 const char __user *user_buf, 1897 size_t count, loff_t *ppos) 1898 { 1899 struct iwl_priv *priv = file->private_data; 1900 char buf[8]; 1901 int buf_size; 1902 int trace; 1903 1904 memset(buf, 0, sizeof(buf)); 1905 buf_size = min(count, sizeof(buf) - 1); 1906 if (copy_from_user(buf, user_buf, buf_size)) 1907 return -EFAULT; 1908 if (sscanf(buf, "%d", &trace) != 1) 1909 return -EFAULT; 1910 1911 if (trace) { 1912 priv->event_log.ucode_trace = true; 1913 if (iwl_is_alive(priv)) { 1914 /* start collecting data now */ 1915 mod_timer(&priv->ucode_trace, jiffies); 1916 } 1917 } else { 1918 priv->event_log.ucode_trace = false; 1919 del_timer_sync(&priv->ucode_trace); 1920 } 1921 1922 return count; 1923 } 1924 1925 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, 1926 char __user *user_buf, 1927 size_t count, loff_t *ppos) { 1928 1929 struct iwl_priv *priv = file->private_data; 1930 int len = 0; 1931 char buf[20]; 1932 1933 len = sprintf(buf, "0x%04X\n", 1934 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); 1935 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1936 } 1937 1938 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, 1939 char __user *user_buf, 1940 size_t count, loff_t *ppos) { 1941 1942 struct iwl_priv *priv = file->private_data; 1943 int len = 0; 1944 char buf[20]; 1945 1946 len = sprintf(buf, "0x%04X\n", 1947 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); 1948 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1949 } 1950 1951 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 1952 char __user *user_buf, 1953 size_t count, loff_t *ppos) { 1954 1955 struct iwl_priv *priv = file->private_data; 1956 int pos = 0; 1957 char buf[12]; 1958 const size_t bufsz = sizeof(buf); 1959 1960 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 1961 priv->missed_beacon_threshold); 1962 1963 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1964 } 1965 1966 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 1967 const char __user *user_buf, 1968 size_t count, loff_t *ppos) 1969 { 1970 struct iwl_priv *priv = file->private_data; 1971 char buf[8]; 1972 int buf_size; 1973 int missed; 1974 1975 memset(buf, 0, sizeof(buf)); 1976 buf_size = min(count, sizeof(buf) - 1); 1977 if (copy_from_user(buf, user_buf, buf_size)) 1978 return -EFAULT; 1979 if (sscanf(buf, "%d", &missed) != 1) 1980 return -EINVAL; 1981 1982 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 1983 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 1984 priv->missed_beacon_threshold = 1985 IWL_MISSED_BEACON_THRESHOLD_DEF; 1986 else 1987 priv->missed_beacon_threshold = missed; 1988 1989 return count; 1990 } 1991 1992 static ssize_t iwl_dbgfs_plcp_delta_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 char buf[12]; 1999 const size_t bufsz = sizeof(buf); 2000 2001 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2002 priv->plcp_delta_threshold); 2003 2004 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2005 } 2006 2007 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2008 const char __user *user_buf, 2009 size_t count, loff_t *ppos) { 2010 2011 struct iwl_priv *priv = file->private_data; 2012 char buf[8]; 2013 int buf_size; 2014 int plcp; 2015 2016 memset(buf, 0, sizeof(buf)); 2017 buf_size = min(count, sizeof(buf) - 1); 2018 if (copy_from_user(buf, user_buf, buf_size)) 2019 return -EFAULT; 2020 if (sscanf(buf, "%d", &plcp) != 1) 2021 return -EINVAL; 2022 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2023 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2024 priv->plcp_delta_threshold = 2025 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; 2026 else 2027 priv->plcp_delta_threshold = plcp; 2028 return count; 2029 } 2030 2031 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file, 2032 char __user *user_buf, 2033 size_t count, loff_t *ppos) 2034 { 2035 struct iwl_priv *priv = file->private_data; 2036 int pos = 0; 2037 char buf[300]; 2038 const size_t bufsz = sizeof(buf); 2039 struct iwl_rf_reset *rf_reset = &priv->rf_reset; 2040 2041 pos += scnprintf(buf + pos, bufsz - pos, 2042 "RF reset statistics\n"); 2043 pos += scnprintf(buf + pos, bufsz - pos, 2044 "\tnumber of reset request: %d\n", 2045 rf_reset->reset_request_count); 2046 pos += scnprintf(buf + pos, bufsz - pos, 2047 "\tnumber of reset request success: %d\n", 2048 rf_reset->reset_success_count); 2049 pos += scnprintf(buf + pos, bufsz - pos, 2050 "\tnumber of reset request reject: %d\n", 2051 rf_reset->reset_reject_count); 2052 2053 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2054 } 2055 2056 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file, 2057 const char __user *user_buf, 2058 size_t count, loff_t *ppos) { 2059 2060 struct iwl_priv *priv = file->private_data; 2061 int ret; 2062 2063 ret = iwl_force_rf_reset(priv, true); 2064 return ret ? ret : count; 2065 } 2066 2067 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, 2068 const char __user *user_buf, 2069 size_t count, loff_t *ppos) { 2070 2071 struct iwl_priv *priv = file->private_data; 2072 char buf[8]; 2073 int buf_size; 2074 int flush; 2075 2076 memset(buf, 0, sizeof(buf)); 2077 buf_size = min(count, sizeof(buf) - 1); 2078 if (copy_from_user(buf, user_buf, buf_size)) 2079 return -EFAULT; 2080 if (sscanf(buf, "%d", &flush) != 1) 2081 return -EINVAL; 2082 2083 if (iwl_is_rfkill(priv)) 2084 return -EFAULT; 2085 2086 iwlagn_dev_txfifo_flush(priv); 2087 2088 return count; 2089 } 2090 2091 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, 2092 char __user *user_buf, 2093 size_t count, loff_t *ppos) { 2094 2095 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2096 int pos = 0; 2097 char buf[200]; 2098 const size_t bufsz = sizeof(buf); 2099 2100 if (!priv->bt_enable_flag) { 2101 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); 2102 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2103 } 2104 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", 2105 priv->bt_enable_flag); 2106 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", 2107 priv->bt_full_concurrent ? "full concurrency" : "3-wire"); 2108 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " 2109 "last traffic notif: %d\n", 2110 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); 2111 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " 2112 "kill_ack_mask: %x, kill_cts_mask: %x\n", 2113 priv->bt_ch_announce, priv->kill_ack_mask, 2114 priv->kill_cts_mask); 2115 2116 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); 2117 switch (priv->bt_traffic_load) { 2118 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: 2119 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); 2120 break; 2121 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: 2122 pos += scnprintf(buf + pos, bufsz - pos, "High\n"); 2123 break; 2124 case IWL_BT_COEX_TRAFFIC_LOAD_LOW: 2125 pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); 2126 break; 2127 case IWL_BT_COEX_TRAFFIC_LOAD_NONE: 2128 default: 2129 pos += scnprintf(buf + pos, bufsz - pos, "None\n"); 2130 break; 2131 } 2132 2133 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2134 } 2135 2136 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, 2137 char __user *user_buf, 2138 size_t count, loff_t *ppos) 2139 { 2140 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2141 2142 int pos = 0; 2143 char buf[40]; 2144 const size_t bufsz = sizeof(buf); 2145 2146 if (priv->cfg->ht_params) 2147 pos += scnprintf(buf + pos, bufsz - pos, 2148 "use %s for aggregation\n", 2149 (priv->hw_params.use_rts_for_aggregation) ? 2150 "rts/cts" : "cts-to-self"); 2151 else 2152 pos += scnprintf(buf + pos, bufsz - pos, "N/A"); 2153 2154 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2155 } 2156 2157 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, 2158 const char __user *user_buf, 2159 size_t count, loff_t *ppos) { 2160 2161 struct iwl_priv *priv = file->private_data; 2162 char buf[8]; 2163 int buf_size; 2164 int rts; 2165 2166 if (!priv->cfg->ht_params) 2167 return -EINVAL; 2168 2169 memset(buf, 0, sizeof(buf)); 2170 buf_size = min(count, sizeof(buf) - 1); 2171 if (copy_from_user(buf, user_buf, buf_size)) 2172 return -EFAULT; 2173 if (sscanf(buf, "%d", &rts) != 1) 2174 return -EINVAL; 2175 if (rts) 2176 priv->hw_params.use_rts_for_aggregation = true; 2177 else 2178 priv->hw_params.use_rts_for_aggregation = false; 2179 return count; 2180 } 2181 2182 static int iwl_cmd_echo_test(struct iwl_priv *priv) 2183 { 2184 int ret; 2185 struct iwl_host_cmd cmd = { 2186 .id = REPLY_ECHO, 2187 .len = { 0 }, 2188 }; 2189 2190 ret = iwl_dvm_send_cmd(priv, &cmd); 2191 if (ret) 2192 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); 2193 else 2194 IWL_DEBUG_INFO(priv, "echo testing pass\n"); 2195 return ret; 2196 } 2197 2198 static ssize_t iwl_dbgfs_echo_test_write(struct file *file, 2199 const char __user *user_buf, 2200 size_t count, loff_t *ppos) 2201 { 2202 struct iwl_priv *priv = file->private_data; 2203 char buf[8]; 2204 int buf_size; 2205 2206 memset(buf, 0, sizeof(buf)); 2207 buf_size = min(count, sizeof(buf) - 1); 2208 if (copy_from_user(buf, user_buf, buf_size)) 2209 return -EFAULT; 2210 2211 iwl_cmd_echo_test(priv); 2212 return count; 2213 } 2214 2215 #ifdef CONFIG_IWLWIFI_DEBUG 2216 static ssize_t iwl_dbgfs_log_event_read(struct file *file, 2217 char __user *user_buf, 2218 size_t count, loff_t *ppos) 2219 { 2220 struct iwl_priv *priv = file->private_data; 2221 char *buf = NULL; 2222 ssize_t ret; 2223 2224 ret = iwl_dump_nic_event_log(priv, true, &buf); 2225 if (ret > 0) 2226 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); 2227 kfree(buf); 2228 return ret; 2229 } 2230 2231 static ssize_t iwl_dbgfs_log_event_write(struct file *file, 2232 const char __user *user_buf, 2233 size_t count, loff_t *ppos) 2234 { 2235 struct iwl_priv *priv = file->private_data; 2236 u32 event_log_flag; 2237 char buf[8]; 2238 int buf_size; 2239 2240 /* check that the interface is up */ 2241 if (!iwl_is_ready(priv)) 2242 return -EAGAIN; 2243 2244 memset(buf, 0, sizeof(buf)); 2245 buf_size = min(count, sizeof(buf) - 1); 2246 if (copy_from_user(buf, user_buf, buf_size)) 2247 return -EFAULT; 2248 if (sscanf(buf, "%d", &event_log_flag) != 1) 2249 return -EFAULT; 2250 if (event_log_flag == 1) 2251 iwl_dump_nic_event_log(priv, true, NULL); 2252 2253 return count; 2254 } 2255 #endif 2256 2257 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file, 2258 char __user *user_buf, 2259 size_t count, loff_t *ppos) 2260 { 2261 struct iwl_priv *priv = file->private_data; 2262 char buf[120]; 2263 int pos = 0; 2264 const size_t bufsz = sizeof(buf); 2265 2266 pos += scnprintf(buf + pos, bufsz - pos, 2267 "Sensitivity calibrations %s\n", 2268 (priv->calib_disabled & 2269 IWL_SENSITIVITY_CALIB_DISABLED) ? 2270 "DISABLED" : "ENABLED"); 2271 pos += scnprintf(buf + pos, bufsz - pos, 2272 "Chain noise calibrations %s\n", 2273 (priv->calib_disabled & 2274 IWL_CHAIN_NOISE_CALIB_DISABLED) ? 2275 "DISABLED" : "ENABLED"); 2276 pos += scnprintf(buf + pos, bufsz - pos, 2277 "Tx power calibrations %s\n", 2278 (priv->calib_disabled & 2279 IWL_TX_POWER_CALIB_DISABLED) ? 2280 "DISABLED" : "ENABLED"); 2281 2282 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2283 } 2284 2285 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, 2286 const char __user *user_buf, 2287 size_t count, loff_t *ppos) 2288 { 2289 struct iwl_priv *priv = file->private_data; 2290 char buf[8]; 2291 u32 calib_disabled; 2292 int buf_size; 2293 2294 memset(buf, 0, sizeof(buf)); 2295 buf_size = min(count, sizeof(buf) - 1); 2296 if (copy_from_user(buf, user_buf, buf_size)) 2297 return -EFAULT; 2298 if (sscanf(buf, "%x", &calib_disabled) != 1) 2299 return -EFAULT; 2300 2301 priv->calib_disabled = calib_disabled; 2302 2303 return count; 2304 } 2305 2306 static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, 2307 const char __user *user_buf, 2308 size_t count, loff_t *ppos) 2309 { 2310 struct iwl_priv *priv = file->private_data; 2311 bool fw_restart = iwlwifi_mod_params.fw_restart; 2312 int __maybe_unused ret; 2313 2314 iwlwifi_mod_params.fw_restart = true; 2315 2316 mutex_lock(&priv->mutex); 2317 2318 /* take the return value to make compiler happy - it will fail anyway */ 2319 ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, 0, 0, NULL); 2320 2321 mutex_unlock(&priv->mutex); 2322 2323 iwlwifi_mod_params.fw_restart = fw_restart; 2324 2325 return count; 2326 } 2327 2328 DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2329 DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2330 DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2331 DEBUGFS_READ_FILE_OPS(sensitivity); 2332 DEBUGFS_READ_FILE_OPS(chain_noise); 2333 DEBUGFS_READ_FILE_OPS(power_save_status); 2334 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2335 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2336 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2337 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2338 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset); 2339 DEBUGFS_READ_FILE_OPS(rxon_flags); 2340 DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 2341 DEBUGFS_WRITE_FILE_OPS(txfifo_flush); 2342 DEBUGFS_READ_FILE_OPS(ucode_bt_stats); 2343 DEBUGFS_READ_FILE_OPS(bt_traffic); 2344 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); 2345 DEBUGFS_READ_FILE_OPS(reply_tx_error); 2346 DEBUGFS_WRITE_FILE_OPS(echo_test); 2347 DEBUGFS_WRITE_FILE_OPS(fw_restart); 2348 #ifdef CONFIG_IWLWIFI_DEBUG 2349 DEBUGFS_READ_WRITE_FILE_OPS(log_event); 2350 #endif 2351 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled); 2352 2353 /* 2354 * Create the debugfs files and directories 2355 * 2356 */ 2357 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir) 2358 { 2359 struct dentry *dir_data, *dir_rf, *dir_debug; 2360 2361 priv->debugfs_dir = dbgfs_dir; 2362 2363 dir_data = debugfs_create_dir("data", dbgfs_dir); 2364 if (!dir_data) 2365 goto err; 2366 dir_rf = debugfs_create_dir("rf", dbgfs_dir); 2367 if (!dir_rf) 2368 goto err; 2369 dir_debug = debugfs_create_dir("debug", dbgfs_dir); 2370 if (!dir_debug) 2371 goto err; 2372 2373 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2374 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2375 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR); 2376 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2377 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2378 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2379 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR); 2380 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2381 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2382 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2383 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2384 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2385 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR); 2386 2387 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2388 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2389 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2390 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2391 DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR); 2392 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2393 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2394 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2395 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); 2396 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR); 2397 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2398 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2399 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2400 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR); 2401 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR); 2402 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); 2403 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); 2404 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); 2405 DEBUGFS_ADD_FILE(fw_restart, dir_debug, S_IWUSR); 2406 #ifdef CONFIG_IWLWIFI_DEBUG 2407 DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR); 2408 #endif 2409 2410 if (iwl_advanced_bt_coexist(priv)) 2411 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); 2412 2413 /* Calibrations disabled/enabled status*/ 2414 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR); 2415 2416 /* 2417 * Create a symlink with mac80211. This is not very robust, as it does 2418 * not remove the symlink created. The implicit assumption is that 2419 * when the opmode exits, mac80211 will also exit, and will remove 2420 * this symlink as part of its cleanup. 2421 */ 2422 if (priv->mac80211_registered) { 2423 char buf[100]; 2424 struct dentry *mac80211_dir, *dev_dir; 2425 2426 dev_dir = dbgfs_dir->d_parent; 2427 mac80211_dir = priv->hw->wiphy->debugfsdir; 2428 2429 snprintf(buf, 100, "../../%pd2", dev_dir); 2430 2431 if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf)) 2432 goto err; 2433 } 2434 2435 return 0; 2436 2437 err: 2438 IWL_ERR(priv, "failed to create the dvm debugfs entries\n"); 2439 return -ENOMEM; 2440 } 2441