iwl-debugfs.c revision b55e75ed926ded110293b0d1e24eb6a878883115
1/****************************************************************************** 2 * 3 * GPL LICENSE SUMMARY 4 * 5 * Copyright(c) 2008 - 2010 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/kernel.h> 30#include <linux/module.h> 31#include <linux/debugfs.h> 32 33#include <linux/ieee80211.h> 34#include <net/mac80211.h> 35 36 37#include "iwl-dev.h" 38#include "iwl-debug.h" 39#include "iwl-core.h" 40#include "iwl-io.h" 41#include "iwl-calib.h" 42 43/* create and remove of files */ 44#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 45 if (!debugfs_create_file(#name, mode, parent, priv, \ 46 &iwl_dbgfs_##name##_ops)) \ 47 goto err; \ 48} while (0) 49 50#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 51 struct dentry *__tmp; \ 52 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 53 parent, ptr); \ 54 if (IS_ERR(__tmp) || !__tmp) \ 55 goto err; \ 56} while (0) 57 58#define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 59 struct dentry *__tmp; \ 60 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ 61 parent, ptr); \ 62 if (IS_ERR(__tmp) || !__tmp) \ 63 goto err; \ 64} while (0) 65 66/* file operation */ 67#define DEBUGFS_READ_FUNC(name) \ 68static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ 69 char __user *user_buf, \ 70 size_t count, loff_t *ppos); 71 72#define DEBUGFS_WRITE_FUNC(name) \ 73static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ 74 const char __user *user_buf, \ 75 size_t count, loff_t *ppos); 76 77 78static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) 79{ 80 file->private_data = inode->i_private; 81 return 0; 82} 83 84#define DEBUGFS_READ_FILE_OPS(name) \ 85 DEBUGFS_READ_FUNC(name); \ 86static const struct file_operations iwl_dbgfs_##name##_ops = { \ 87 .read = iwl_dbgfs_##name##_read, \ 88 .open = iwl_dbgfs_open_file_generic, \ 89}; 90 91#define DEBUGFS_WRITE_FILE_OPS(name) \ 92 DEBUGFS_WRITE_FUNC(name); \ 93static const struct file_operations iwl_dbgfs_##name##_ops = { \ 94 .write = iwl_dbgfs_##name##_write, \ 95 .open = iwl_dbgfs_open_file_generic, \ 96}; 97 98 99#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 100 DEBUGFS_READ_FUNC(name); \ 101 DEBUGFS_WRITE_FUNC(name); \ 102static const struct file_operations iwl_dbgfs_##name##_ops = { \ 103 .write = iwl_dbgfs_##name##_write, \ 104 .read = iwl_dbgfs_##name##_read, \ 105 .open = iwl_dbgfs_open_file_generic, \ 106}; 107 108 109static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, 110 char __user *user_buf, 111 size_t count, loff_t *ppos) { 112 113 struct iwl_priv *priv = file->private_data; 114 char *buf; 115 int pos = 0; 116 117 int cnt; 118 ssize_t ret; 119 const size_t bufsz = 100 + 120 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 121 buf = kzalloc(bufsz, GFP_KERNEL); 122 if (!buf) 123 return -ENOMEM; 124 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 125 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 126 pos += scnprintf(buf + pos, bufsz - pos, 127 "\t%25s\t\t: %u\n", 128 get_mgmt_string(cnt), 129 priv->tx_stats.mgmt[cnt]); 130 } 131 pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); 132 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 133 pos += scnprintf(buf + pos, bufsz - pos, 134 "\t%25s\t\t: %u\n", 135 get_ctrl_string(cnt), 136 priv->tx_stats.ctrl[cnt]); 137 } 138 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 139 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 140 priv->tx_stats.data_cnt); 141 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 142 priv->tx_stats.data_bytes); 143 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 144 kfree(buf); 145 return ret; 146} 147 148static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, 149 const char __user *user_buf, 150 size_t count, loff_t *ppos) 151{ 152 struct iwl_priv *priv = file->private_data; 153 u32 clear_flag; 154 char buf[8]; 155 int buf_size; 156 157 memset(buf, 0, sizeof(buf)); 158 buf_size = min(count, sizeof(buf) - 1); 159 if (copy_from_user(buf, user_buf, buf_size)) 160 return -EFAULT; 161 if (sscanf(buf, "%x", &clear_flag) != 1) 162 return -EFAULT; 163 iwl_clear_traffic_stats(priv); 164 165 return count; 166} 167 168static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, 169 char __user *user_buf, 170 size_t count, loff_t *ppos) { 171 172 struct iwl_priv *priv = file->private_data; 173 char *buf; 174 int pos = 0; 175 int cnt; 176 ssize_t ret; 177 const size_t bufsz = 100 + 178 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 179 buf = kzalloc(bufsz, GFP_KERNEL); 180 if (!buf) 181 return -ENOMEM; 182 183 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 184 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 185 pos += scnprintf(buf + pos, bufsz - pos, 186 "\t%25s\t\t: %u\n", 187 get_mgmt_string(cnt), 188 priv->rx_stats.mgmt[cnt]); 189 } 190 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); 191 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 192 pos += scnprintf(buf + pos, bufsz - pos, 193 "\t%25s\t\t: %u\n", 194 get_ctrl_string(cnt), 195 priv->rx_stats.ctrl[cnt]); 196 } 197 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 198 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 199 priv->rx_stats.data_cnt); 200 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 201 priv->rx_stats.data_bytes); 202 203 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 204 kfree(buf); 205 return ret; 206} 207 208#define BYTE1_MASK 0x000000ff; 209#define BYTE2_MASK 0x0000ffff; 210#define BYTE3_MASK 0x00ffffff; 211static ssize_t iwl_dbgfs_sram_read(struct file *file, 212 char __user *user_buf, 213 size_t count, loff_t *ppos) 214{ 215 u32 val; 216 char *buf; 217 ssize_t ret; 218 int i; 219 int pos = 0; 220 struct iwl_priv *priv = file->private_data; 221 size_t bufsz; 222 223 /* default is to dump the entire data segment */ 224 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 225 priv->dbgfs_sram_offset = 0x800000; 226 if (priv->ucode_type == UCODE_INIT) 227 priv->dbgfs_sram_len = priv->ucode_init_data.len; 228 else 229 priv->dbgfs_sram_len = priv->ucode_data.len; 230 } 231 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10; 232 buf = kmalloc(bufsz, GFP_KERNEL); 233 if (!buf) 234 return -ENOMEM; 235 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 236 priv->dbgfs_sram_len); 237 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 238 priv->dbgfs_sram_offset); 239 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) { 240 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \ 241 priv->dbgfs_sram_len - i); 242 if (i < 4) { 243 switch (i) { 244 case 1: 245 val &= BYTE1_MASK; 246 break; 247 case 2: 248 val &= BYTE2_MASK; 249 break; 250 case 3: 251 val &= BYTE3_MASK; 252 break; 253 } 254 } 255 if (!(i % 16)) 256 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 257 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); 258 } 259 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 260 261 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 262 kfree(buf); 263 return ret; 264} 265 266static ssize_t iwl_dbgfs_sram_write(struct file *file, 267 const char __user *user_buf, 268 size_t count, loff_t *ppos) 269{ 270 struct iwl_priv *priv = file->private_data; 271 char buf[64]; 272 int buf_size; 273 u32 offset, len; 274 275 memset(buf, 0, sizeof(buf)); 276 buf_size = min(count, sizeof(buf) - 1); 277 if (copy_from_user(buf, user_buf, buf_size)) 278 return -EFAULT; 279 280 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 281 priv->dbgfs_sram_offset = offset; 282 priv->dbgfs_sram_len = len; 283 } else { 284 priv->dbgfs_sram_offset = 0; 285 priv->dbgfs_sram_len = 0; 286 } 287 288 return count; 289} 290 291static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 292 size_t count, loff_t *ppos) 293{ 294 struct iwl_priv *priv = file->private_data; 295 struct iwl_station_entry *station; 296 int max_sta = priv->hw_params.max_stations; 297 char *buf; 298 int i, j, pos = 0; 299 ssize_t ret; 300 /* Add 30 for initial string */ 301 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 302 303 buf = kmalloc(bufsz, GFP_KERNEL); 304 if (!buf) 305 return -ENOMEM; 306 307 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 308 priv->num_stations); 309 310 for (i = 0; i < max_sta; i++) { 311 station = &priv->stations[i]; 312 if (station->used) { 313 pos += scnprintf(buf + pos, bufsz - pos, 314 "station %d:\ngeneral data:\n", i+1); 315 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", 316 station->sta.sta.sta_id); 317 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", 318 station->sta.mode); 319 pos += scnprintf(buf + pos, bufsz - pos, 320 "flags: 0x%x\n", 321 station->sta.station_flags_msk); 322 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); 323 pos += scnprintf(buf + pos, bufsz - pos, 324 "seq_num\t\ttxq_id"); 325 pos += scnprintf(buf + pos, bufsz - pos, 326 "\tframe_count\twait_for_ba\t"); 327 pos += scnprintf(buf + pos, bufsz - pos, 328 "start_idx\tbitmap0\t"); 329 pos += scnprintf(buf + pos, bufsz - pos, 330 "bitmap1\trate_n_flags"); 331 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 332 333 for (j = 0; j < MAX_TID_COUNT; j++) { 334 pos += scnprintf(buf + pos, bufsz - pos, 335 "[%d]:\t\t%u", j, 336 station->tid[j].seq_number); 337 pos += scnprintf(buf + pos, bufsz - pos, 338 "\t%u\t\t%u\t\t%u\t\t", 339 station->tid[j].agg.txq_id, 340 station->tid[j].agg.frame_count, 341 station->tid[j].agg.wait_for_ba); 342 pos += scnprintf(buf + pos, bufsz - pos, 343 "%u\t%llu\t%u", 344 station->tid[j].agg.start_idx, 345 (unsigned long long)station->tid[j].agg.bitmap, 346 station->tid[j].agg.rate_n_flags); 347 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 348 } 349 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 350 } 351 } 352 353 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 354 kfree(buf); 355 return ret; 356} 357 358static ssize_t iwl_dbgfs_nvm_read(struct file *file, 359 char __user *user_buf, 360 size_t count, 361 loff_t *ppos) 362{ 363 ssize_t ret; 364 struct iwl_priv *priv = file->private_data; 365 int pos = 0, ofs = 0, buf_size = 0; 366 const u8 *ptr; 367 char *buf; 368 u16 eeprom_ver; 369 size_t eeprom_len = priv->cfg->eeprom_size; 370 buf_size = 4 * eeprom_len + 256; 371 372 if (eeprom_len % 16) { 373 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 374 return -ENODATA; 375 } 376 377 ptr = priv->eeprom; 378 if (!ptr) { 379 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 380 return -ENOMEM; 381 } 382 383 /* 4 characters for byte 0xYY */ 384 buf = kzalloc(buf_size, GFP_KERNEL); 385 if (!buf) { 386 IWL_ERR(priv, "Can not allocate Buffer\n"); 387 return -ENOMEM; 388 } 389 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); 390 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 391 "version: 0x%x\n", 392 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) 393 ? "OTP" : "EEPROM", eeprom_ver); 394 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 395 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 396 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 397 buf_size - pos, 0); 398 pos += strlen(buf + pos); 399 if (buf_size - pos > 0) 400 buf[pos++] = '\n'; 401 } 402 403 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 404 kfree(buf); 405 return ret; 406} 407 408static ssize_t iwl_dbgfs_log_event_read(struct file *file, 409 char __user *user_buf, 410 size_t count, loff_t *ppos) 411{ 412 struct iwl_priv *priv = file->private_data; 413 char *buf; 414 int pos = 0; 415 ssize_t ret = -ENOMEM; 416 417 ret = pos = priv->cfg->ops->lib->dump_nic_event_log( 418 priv, true, &buf, true); 419 if (buf) { 420 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 421 kfree(buf); 422 } 423 return ret; 424} 425 426static ssize_t iwl_dbgfs_log_event_write(struct file *file, 427 const char __user *user_buf, 428 size_t count, loff_t *ppos) 429{ 430 struct iwl_priv *priv = file->private_data; 431 u32 event_log_flag; 432 char buf[8]; 433 int buf_size; 434 435 memset(buf, 0, sizeof(buf)); 436 buf_size = min(count, sizeof(buf) - 1); 437 if (copy_from_user(buf, user_buf, buf_size)) 438 return -EFAULT; 439 if (sscanf(buf, "%d", &event_log_flag) != 1) 440 return -EFAULT; 441 if (event_log_flag == 1) 442 priv->cfg->ops->lib->dump_nic_event_log(priv, true, 443 NULL, false); 444 445 return count; 446} 447 448 449 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->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 ieee80211_frequency_to_channel( 481 channels[i].center_freq), 482 channels[i].max_power, 483 channels[i].flags & IEEE80211_CHAN_RADAR ? 484 " (IEEE 802.11h required)" : "", 485 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 486 || (channels[i].flags & 487 IEEE80211_CHAN_RADAR)) ? "" : 488 ", IBSS", 489 channels[i].flags & 490 IEEE80211_CHAN_PASSIVE_SCAN ? 491 "passive only" : "active/passive"); 492 } 493 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 494 if (supp_band) { 495 channels = supp_band->channels; 496 497 pos += scnprintf(buf + pos, bufsz - pos, 498 "Displaying %d channels in 5.2GHz band (802.11a)\n", 499 supp_band->n_channels); 500 501 for (i = 0; i < supp_band->n_channels; i++) 502 pos += scnprintf(buf + pos, bufsz - pos, 503 "%d: %ddBm: BSS%s%s, %s.\n", 504 ieee80211_frequency_to_channel( 505 channels[i].center_freq), 506 channels[i].max_power, 507 channels[i].flags & IEEE80211_CHAN_RADAR ? 508 " (IEEE 802.11h required)" : "", 509 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 510 || (channels[i].flags & 511 IEEE80211_CHAN_RADAR)) ? "" : 512 ", IBSS", 513 channels[i].flags & 514 IEEE80211_CHAN_PASSIVE_SCAN ? 515 "passive only" : "active/passive"); 516 } 517 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 518 kfree(buf); 519 return ret; 520} 521 522static ssize_t iwl_dbgfs_status_read(struct file *file, 523 char __user *user_buf, 524 size_t count, loff_t *ppos) { 525 526 struct iwl_priv *priv = file->private_data; 527 char buf[512]; 528 int pos = 0; 529 const size_t bufsz = sizeof(buf); 530 531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 532 test_bit(STATUS_HCMD_ACTIVE, &priv->status)); 533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 534 test_bit(STATUS_INT_ENABLED, &priv->status)); 535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 536 test_bit(STATUS_RF_KILL_HW, &priv->status)); 537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 538 test_bit(STATUS_CT_KILL, &priv->status)); 539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 540 test_bit(STATUS_INIT, &priv->status)); 541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 542 test_bit(STATUS_ALIVE, &priv->status)); 543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 544 test_bit(STATUS_READY, &priv->status)); 545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 546 test_bit(STATUS_TEMPERATURE, &priv->status)); 547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 548 test_bit(STATUS_GEO_CONFIGURED, &priv->status)); 549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 550 test_bit(STATUS_EXIT_PENDING, &priv->status)); 551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 552 test_bit(STATUS_STATISTICS, &priv->status)); 553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 554 test_bit(STATUS_SCANNING, &priv->status)); 555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 556 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 558 test_bit(STATUS_SCAN_HW, &priv->status)); 559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 560 test_bit(STATUS_POWER_PMI, &priv->status)); 561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 562 test_bit(STATUS_FW_ERROR, &priv->status)); 563 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 564} 565 566static ssize_t iwl_dbgfs_interrupt_read(struct file *file, 567 char __user *user_buf, 568 size_t count, loff_t *ppos) { 569 570 struct iwl_priv *priv = file->private_data; 571 int pos = 0; 572 int cnt = 0; 573 char *buf; 574 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 575 ssize_t ret; 576 577 buf = kzalloc(bufsz, GFP_KERNEL); 578 if (!buf) { 579 IWL_ERR(priv, "Can not allocate Buffer\n"); 580 return -ENOMEM; 581 } 582 583 pos += scnprintf(buf + pos, bufsz - pos, 584 "Interrupt Statistics Report:\n"); 585 586 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", 587 priv->isr_stats.hw); 588 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", 589 priv->isr_stats.sw); 590 if (priv->isr_stats.sw > 0) { 591 pos += scnprintf(buf + pos, bufsz - pos, 592 "\tLast Restarting Code: 0x%X\n", 593 priv->isr_stats.sw_err); 594 } 595#ifdef CONFIG_IWLWIFI_DEBUG 596 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", 597 priv->isr_stats.sch); 598 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", 599 priv->isr_stats.alive); 600#endif 601 pos += scnprintf(buf + pos, bufsz - pos, 602 "HW RF KILL switch toggled:\t %u\n", 603 priv->isr_stats.rfkill); 604 605 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", 606 priv->isr_stats.ctkill); 607 608 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", 609 priv->isr_stats.wakeup); 610 611 pos += scnprintf(buf + pos, bufsz - pos, 612 "Rx command responses:\t\t %u\n", 613 priv->isr_stats.rx); 614 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 615 if (priv->isr_stats.rx_handlers[cnt] > 0) 616 pos += scnprintf(buf + pos, bufsz - pos, 617 "\tRx handler[%36s]:\t\t %u\n", 618 get_cmd_string(cnt), 619 priv->isr_stats.rx_handlers[cnt]); 620 } 621 622 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", 623 priv->isr_stats.tx); 624 625 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", 626 priv->isr_stats.unhandled); 627 628 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 629 kfree(buf); 630 return ret; 631} 632 633static ssize_t iwl_dbgfs_interrupt_write(struct file *file, 634 const char __user *user_buf, 635 size_t count, loff_t *ppos) 636{ 637 struct iwl_priv *priv = file->private_data; 638 char buf[8]; 639 int buf_size; 640 u32 reset_flag; 641 642 memset(buf, 0, sizeof(buf)); 643 buf_size = min(count, sizeof(buf) - 1); 644 if (copy_from_user(buf, user_buf, buf_size)) 645 return -EFAULT; 646 if (sscanf(buf, "%x", &reset_flag) != 1) 647 return -EFAULT; 648 if (reset_flag == 0) 649 iwl_clear_isr_stats(priv); 650 651 return count; 652} 653 654static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 655 size_t count, loff_t *ppos) 656{ 657 struct iwl_priv *priv = file->private_data; 658 int pos = 0, i; 659 char buf[256]; 660 const size_t bufsz = sizeof(buf); 661 ssize_t ret; 662 663 for (i = 0; i < AC_NUM; i++) { 664 pos += scnprintf(buf + pos, bufsz - pos, 665 "\tcw_min\tcw_max\taifsn\ttxop\n"); 666 pos += scnprintf(buf + pos, bufsz - pos, 667 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 668 priv->qos_data.def_qos_parm.ac[i].cw_min, 669 priv->qos_data.def_qos_parm.ac[i].cw_max, 670 priv->qos_data.def_qos_parm.ac[i].aifsn, 671 priv->qos_data.def_qos_parm.ac[i].edca_txop); 672 } 673 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 674 return ret; 675} 676 677static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, 678 size_t count, loff_t *ppos) 679{ 680 struct iwl_priv *priv = file->private_data; 681 int pos = 0; 682 char buf[256]; 683 const size_t bufsz = sizeof(buf); 684 ssize_t ret; 685 686 pos += scnprintf(buf + pos, bufsz - pos, 687 "allow blinking: %s\n", 688 (priv->allow_blinking) ? "True" : "False"); 689 if (priv->allow_blinking) { 690 pos += scnprintf(buf + pos, bufsz - pos, 691 "Led blinking rate: %u\n", 692 priv->last_blink_rate); 693 pos += scnprintf(buf + pos, bufsz - pos, 694 "Last blink time: %lu\n", 695 priv->last_blink_time); 696 } 697 698 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 699 return ret; 700} 701 702static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 703 char __user *user_buf, 704 size_t count, loff_t *ppos) 705{ 706 struct iwl_priv *priv = file->private_data; 707 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 708 struct iwl_tt_restriction *restriction; 709 char buf[100]; 710 int pos = 0; 711 const size_t bufsz = sizeof(buf); 712 ssize_t ret; 713 714 pos += scnprintf(buf + pos, bufsz - pos, 715 "Thermal Throttling Mode: %s\n", 716 tt->advanced_tt ? "Advance" : "Legacy"); 717 pos += scnprintf(buf + pos, bufsz - pos, 718 "Thermal Throttling State: %d\n", 719 tt->state); 720 if (tt->advanced_tt) { 721 restriction = tt->restriction + tt->state; 722 pos += scnprintf(buf + pos, bufsz - pos, 723 "Tx mode: %d\n", 724 restriction->tx_stream); 725 pos += scnprintf(buf + pos, bufsz - pos, 726 "Rx mode: %d\n", 727 restriction->rx_stream); 728 pos += scnprintf(buf + pos, bufsz - pos, 729 "HT mode: %d\n", 730 restriction->is_ht); 731 } 732 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 733 return ret; 734} 735 736static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 737 const char __user *user_buf, 738 size_t count, loff_t *ppos) 739{ 740 struct iwl_priv *priv = file->private_data; 741 char buf[8]; 742 int buf_size; 743 int ht40; 744 745 memset(buf, 0, sizeof(buf)); 746 buf_size = min(count, sizeof(buf) - 1); 747 if (copy_from_user(buf, user_buf, buf_size)) 748 return -EFAULT; 749 if (sscanf(buf, "%d", &ht40) != 1) 750 return -EFAULT; 751 if (!iwl_is_associated(priv)) 752 priv->disable_ht40 = ht40 ? true : false; 753 else { 754 IWL_ERR(priv, "Sta associated with AP - " 755 "Change to 40MHz channel support is not allowed\n"); 756 return -EINVAL; 757 } 758 759 return count; 760} 761 762static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 763 char __user *user_buf, 764 size_t count, loff_t *ppos) 765{ 766 struct iwl_priv *priv = file->private_data; 767 char buf[100]; 768 int pos = 0; 769 const size_t bufsz = sizeof(buf); 770 ssize_t ret; 771 772 pos += scnprintf(buf + pos, bufsz - pos, 773 "11n 40MHz Mode: %s\n", 774 priv->disable_ht40 ? "Disabled" : "Enabled"); 775 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 776 return ret; 777} 778 779static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 780 const char __user *user_buf, 781 size_t count, loff_t *ppos) 782{ 783 struct iwl_priv *priv = file->private_data; 784 char buf[8]; 785 int buf_size; 786 int value; 787 788 memset(buf, 0, sizeof(buf)); 789 buf_size = min(count, sizeof(buf) - 1); 790 if (copy_from_user(buf, user_buf, buf_size)) 791 return -EFAULT; 792 793 if (sscanf(buf, "%d", &value) != 1) 794 return -EINVAL; 795 796 /* 797 * Our users expect 0 to be "CAM", but 0 isn't actually 798 * valid here. However, let's not confuse them and present 799 * IWL_POWER_INDEX_1 as "1", not "0". 800 */ 801 if (value == 0) 802 return -EINVAL; 803 else if (value > 0) 804 value -= 1; 805 806 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 807 return -EINVAL; 808 809 if (!iwl_is_ready_rf(priv)) 810 return -EAGAIN; 811 812 priv->power_data.debug_sleep_level_override = value; 813 814 mutex_lock(&priv->mutex); 815 iwl_power_update_mode(priv, true); 816 mutex_unlock(&priv->mutex); 817 818 return count; 819} 820 821static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 822 char __user *user_buf, 823 size_t count, loff_t *ppos) 824{ 825 struct iwl_priv *priv = file->private_data; 826 char buf[10]; 827 int pos, value; 828 const size_t bufsz = sizeof(buf); 829 830 /* see the write function */ 831 value = priv->power_data.debug_sleep_level_override; 832 if (value >= 0) 833 value += 1; 834 835 pos = scnprintf(buf, bufsz, "%d\n", value); 836 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 837} 838 839static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 840 char __user *user_buf, 841 size_t count, loff_t *ppos) 842{ 843 struct iwl_priv *priv = file->private_data; 844 char buf[200]; 845 int pos = 0, i; 846 const size_t bufsz = sizeof(buf); 847 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 848 849 pos += scnprintf(buf + pos, bufsz - pos, 850 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 851 pos += scnprintf(buf + pos, bufsz - pos, 852 "RX/TX timeout: %d/%d usec\n", 853 le32_to_cpu(cmd->rx_data_timeout), 854 le32_to_cpu(cmd->tx_data_timeout)); 855 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 856 pos += scnprintf(buf + pos, bufsz - pos, 857 "sleep_interval[%d]: %d\n", i, 858 le32_to_cpu(cmd->sleep_interval[i])); 859 860 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 861} 862 863DEBUGFS_READ_WRITE_FILE_OPS(sram); 864DEBUGFS_READ_WRITE_FILE_OPS(log_event); 865DEBUGFS_READ_FILE_OPS(nvm); 866DEBUGFS_READ_FILE_OPS(stations); 867DEBUGFS_READ_FILE_OPS(channels); 868DEBUGFS_READ_FILE_OPS(status); 869DEBUGFS_READ_WRITE_FILE_OPS(interrupt); 870DEBUGFS_READ_FILE_OPS(qos); 871DEBUGFS_READ_FILE_OPS(led); 872DEBUGFS_READ_FILE_OPS(thermal_throttling); 873DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 874DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 875DEBUGFS_READ_FILE_OPS(current_sleep_command); 876 877static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 878 char __user *user_buf, 879 size_t count, loff_t *ppos) 880{ 881 struct iwl_priv *priv = file->private_data; 882 int pos = 0, ofs = 0; 883 int cnt = 0, entry; 884 struct iwl_tx_queue *txq; 885 struct iwl_queue *q; 886 struct iwl_rx_queue *rxq = &priv->rxq; 887 char *buf; 888 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 889 (priv->cfg->num_of_queues * 32 * 8) + 400; 890 const u8 *ptr; 891 ssize_t ret; 892 893 if (!priv->txq) { 894 IWL_ERR(priv, "txq not ready\n"); 895 return -EAGAIN; 896 } 897 buf = kzalloc(bufsz, GFP_KERNEL); 898 if (!buf) { 899 IWL_ERR(priv, "Can not allocate buffer\n"); 900 return -ENOMEM; 901 } 902 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); 903 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 904 txq = &priv->txq[cnt]; 905 q = &txq->q; 906 pos += scnprintf(buf + pos, bufsz - pos, 907 "q[%d]: read_ptr: %u, write_ptr: %u\n", 908 cnt, q->read_ptr, q->write_ptr); 909 } 910 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { 911 ptr = priv->tx_traffic; 912 pos += scnprintf(buf + pos, bufsz - pos, 913 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 914 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 915 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 916 entry++, ofs += 16) { 917 pos += scnprintf(buf + pos, bufsz - pos, 918 "0x%.4x ", ofs); 919 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 920 buf + pos, bufsz - pos, 0); 921 pos += strlen(buf + pos); 922 if (bufsz - pos > 0) 923 buf[pos++] = '\n'; 924 } 925 } 926 } 927 928 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); 929 pos += scnprintf(buf + pos, bufsz - pos, 930 "read: %u, write: %u\n", 931 rxq->read, rxq->write); 932 933 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { 934 ptr = priv->rx_traffic; 935 pos += scnprintf(buf + pos, bufsz - pos, 936 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 937 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 938 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 939 entry++, ofs += 16) { 940 pos += scnprintf(buf + pos, bufsz - pos, 941 "0x%.4x ", ofs); 942 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 943 buf + pos, bufsz - pos, 0); 944 pos += strlen(buf + pos); 945 if (bufsz - pos > 0) 946 buf[pos++] = '\n'; 947 } 948 } 949 } 950 951 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 952 kfree(buf); 953 return ret; 954} 955 956static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 957 const char __user *user_buf, 958 size_t count, loff_t *ppos) 959{ 960 struct iwl_priv *priv = file->private_data; 961 char buf[8]; 962 int buf_size; 963 int traffic_log; 964 965 memset(buf, 0, sizeof(buf)); 966 buf_size = min(count, sizeof(buf) - 1); 967 if (copy_from_user(buf, user_buf, buf_size)) 968 return -EFAULT; 969 if (sscanf(buf, "%d", &traffic_log) != 1) 970 return -EFAULT; 971 if (traffic_log == 0) 972 iwl_reset_traffic_log(priv); 973 974 return count; 975} 976 977static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, 978 char __user *user_buf, 979 size_t count, loff_t *ppos) { 980 981 struct iwl_priv *priv = file->private_data; 982 struct iwl_tx_queue *txq; 983 struct iwl_queue *q; 984 char *buf; 985 int pos = 0; 986 int cnt; 987 int ret; 988 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues; 989 990 if (!priv->txq) { 991 IWL_ERR(priv, "txq not ready\n"); 992 return -EAGAIN; 993 } 994 buf = kzalloc(bufsz, GFP_KERNEL); 995 if (!buf) 996 return -ENOMEM; 997 998 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 999 txq = &priv->txq[cnt]; 1000 q = &txq->q; 1001 pos += scnprintf(buf + pos, bufsz - pos, 1002 "hwq %.2d: read=%u write=%u stop=%d" 1003 " swq_id=%#.2x (ac %d/hwq %d)\n", 1004 cnt, q->read_ptr, q->write_ptr, 1005 !!test_bit(cnt, priv->queue_stopped), 1006 txq->swq_id, 1007 txq->swq_id & 0x80 ? txq->swq_id & 3 : 1008 txq->swq_id, 1009 txq->swq_id & 0x80 ? (txq->swq_id >> 2) & 1010 0x1f : txq->swq_id); 1011 if (cnt >= 4) 1012 continue; 1013 /* for the ACs, display the stop count too */ 1014 pos += scnprintf(buf + pos, bufsz - pos, 1015 " stop-count: %d\n", 1016 atomic_read(&priv->queue_stop_count[cnt])); 1017 } 1018 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1019 kfree(buf); 1020 return ret; 1021} 1022 1023static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, 1024 char __user *user_buf, 1025 size_t count, loff_t *ppos) { 1026 1027 struct iwl_priv *priv = file->private_data; 1028 struct iwl_rx_queue *rxq = &priv->rxq; 1029 char buf[256]; 1030 int pos = 0; 1031 const size_t bufsz = sizeof(buf); 1032 1033 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", 1034 rxq->read); 1035 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", 1036 rxq->write); 1037 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", 1038 rxq->free_count); 1039 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", 1040 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); 1041 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1042} 1043 1044static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, 1045 int bufsz) 1046{ 1047 int p = 0; 1048 1049 p += scnprintf(buf + p, bufsz - p, 1050 "Statistics Flag(0x%X):\n", 1051 le32_to_cpu(priv->statistics.flag)); 1052 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) 1053 p += scnprintf(buf + p, bufsz - p, 1054 "\tStatistics have been cleared\n"); 1055 p += scnprintf(buf + p, bufsz - p, 1056 "\tOperational Frequency: %s\n", 1057 (le32_to_cpu(priv->statistics.flag) & 1058 UCODE_STATISTICS_FREQUENCY_MSK) 1059 ? "2.4 GHz" : "5.2 GHz"); 1060 p += scnprintf(buf + p, bufsz - p, 1061 "\tTGj Narrow Band: %s\n", 1062 (le32_to_cpu(priv->statistics.flag) & 1063 UCODE_STATISTICS_NARROW_BAND_MSK) 1064 ? "enabled" : "disabled"); 1065 return p; 1066} 1067 1068static const char ucode_stats_header[] = 1069 "%-32s current acumulative delta max\n"; 1070static const char ucode_stats_short_format[] = 1071 " %-30s %10u\n"; 1072static const char ucode_stats_format[] = 1073 " %-30s %10u %10u %10u %10u\n"; 1074 1075static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 1076 char __user *user_buf, 1077 size_t count, loff_t *ppos) 1078{ 1079 struct iwl_priv *priv = file->private_data; 1080 int pos = 0; 1081 char *buf; 1082 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 1083 sizeof(struct statistics_rx_non_phy) * 40 + 1084 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 1085 ssize_t ret; 1086 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 1087 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 1088 struct statistics_rx_non_phy *general, *accum_general; 1089 struct statistics_rx_non_phy *delta_general, *max_general; 1090 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 1091 1092 if (!iwl_is_alive(priv)) 1093 return -EAGAIN; 1094 1095 buf = kzalloc(bufsz, GFP_KERNEL); 1096 if (!buf) { 1097 IWL_ERR(priv, "Can not allocate Buffer\n"); 1098 return -ENOMEM; 1099 } 1100 1101 /* the statistic information display here is based on 1102 * the last statistics notification from uCode 1103 * might not reflect the current uCode activity 1104 */ 1105 ofdm = &priv->statistics.rx.ofdm; 1106 cck = &priv->statistics.rx.cck; 1107 general = &priv->statistics.rx.general; 1108 ht = &priv->statistics.rx.ofdm_ht; 1109 accum_ofdm = &priv->accum_statistics.rx.ofdm; 1110 accum_cck = &priv->accum_statistics.rx.cck; 1111 accum_general = &priv->accum_statistics.rx.general; 1112 accum_ht = &priv->accum_statistics.rx.ofdm_ht; 1113 delta_ofdm = &priv->delta_statistics.rx.ofdm; 1114 delta_cck = &priv->delta_statistics.rx.cck; 1115 delta_general = &priv->delta_statistics.rx.general; 1116 delta_ht = &priv->delta_statistics.rx.ofdm_ht; 1117 max_ofdm = &priv->max_delta.rx.ofdm; 1118 max_cck = &priv->max_delta.rx.cck; 1119 max_general = &priv->max_delta.rx.general; 1120 max_ht = &priv->max_delta.rx.ofdm_ht; 1121 1122 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1123 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1124 "Statistics_Rx - OFDM:"); 1125 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1126 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt), 1127 accum_ofdm->ina_cnt, 1128 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 1129 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1130 "fina_cnt:", 1131 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 1132 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 1133 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1134 "plcp_err:", 1135 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 1136 delta_ofdm->plcp_err, max_ofdm->plcp_err); 1137 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1138 "crc32_err:", 1139 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 1140 delta_ofdm->crc32_err, max_ofdm->crc32_err); 1141 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1142 "overrun_err:", 1143 le32_to_cpu(ofdm->overrun_err), 1144 accum_ofdm->overrun_err, 1145 delta_ofdm->overrun_err, max_ofdm->overrun_err); 1146 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1147 "early_overrun_err:", 1148 le32_to_cpu(ofdm->early_overrun_err), 1149 accum_ofdm->early_overrun_err, 1150 delta_ofdm->early_overrun_err, 1151 max_ofdm->early_overrun_err); 1152 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1153 "crc32_good:", 1154 le32_to_cpu(ofdm->crc32_good), 1155 accum_ofdm->crc32_good, 1156 delta_ofdm->crc32_good, max_ofdm->crc32_good); 1157 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1158 "false_alarm_cnt:", 1159 le32_to_cpu(ofdm->false_alarm_cnt), 1160 accum_ofdm->false_alarm_cnt, 1161 delta_ofdm->false_alarm_cnt, 1162 max_ofdm->false_alarm_cnt); 1163 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1164 "fina_sync_err_cnt:", 1165 le32_to_cpu(ofdm->fina_sync_err_cnt), 1166 accum_ofdm->fina_sync_err_cnt, 1167 delta_ofdm->fina_sync_err_cnt, 1168 max_ofdm->fina_sync_err_cnt); 1169 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1170 "sfd_timeout:", 1171 le32_to_cpu(ofdm->sfd_timeout), 1172 accum_ofdm->sfd_timeout, 1173 delta_ofdm->sfd_timeout, 1174 max_ofdm->sfd_timeout); 1175 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1176 "fina_timeout:", 1177 le32_to_cpu(ofdm->fina_timeout), 1178 accum_ofdm->fina_timeout, 1179 delta_ofdm->fina_timeout, 1180 max_ofdm->fina_timeout); 1181 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1182 "unresponded_rts:", 1183 le32_to_cpu(ofdm->unresponded_rts), 1184 accum_ofdm->unresponded_rts, 1185 delta_ofdm->unresponded_rts, 1186 max_ofdm->unresponded_rts); 1187 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1188 "rxe_frame_lmt_ovrun:", 1189 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1190 accum_ofdm->rxe_frame_limit_overrun, 1191 delta_ofdm->rxe_frame_limit_overrun, 1192 max_ofdm->rxe_frame_limit_overrun); 1193 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1194 "sent_ack_cnt:", 1195 le32_to_cpu(ofdm->sent_ack_cnt), 1196 accum_ofdm->sent_ack_cnt, 1197 delta_ofdm->sent_ack_cnt, 1198 max_ofdm->sent_ack_cnt); 1199 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1200 "sent_cts_cnt:", 1201 le32_to_cpu(ofdm->sent_cts_cnt), 1202 accum_ofdm->sent_cts_cnt, 1203 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt); 1204 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1205 "sent_ba_rsp_cnt:", 1206 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1207 accum_ofdm->sent_ba_rsp_cnt, 1208 delta_ofdm->sent_ba_rsp_cnt, 1209 max_ofdm->sent_ba_rsp_cnt); 1210 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1211 "dsp_self_kill:", 1212 le32_to_cpu(ofdm->dsp_self_kill), 1213 accum_ofdm->dsp_self_kill, 1214 delta_ofdm->dsp_self_kill, 1215 max_ofdm->dsp_self_kill); 1216 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1217 "mh_format_err:", 1218 le32_to_cpu(ofdm->mh_format_err), 1219 accum_ofdm->mh_format_err, 1220 delta_ofdm->mh_format_err, 1221 max_ofdm->mh_format_err); 1222 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1223 "re_acq_main_rssi_sum:", 1224 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1225 accum_ofdm->re_acq_main_rssi_sum, 1226 delta_ofdm->re_acq_main_rssi_sum, 1227 max_ofdm->re_acq_main_rssi_sum); 1228 1229 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1230 "Statistics_Rx - CCK:"); 1231 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1232 "ina_cnt:", 1233 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 1234 delta_cck->ina_cnt, max_cck->ina_cnt); 1235 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1236 "fina_cnt:", 1237 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 1238 delta_cck->fina_cnt, max_cck->fina_cnt); 1239 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1240 "plcp_err:", 1241 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 1242 delta_cck->plcp_err, max_cck->plcp_err); 1243 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1244 "crc32_err:", 1245 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 1246 delta_cck->crc32_err, max_cck->crc32_err); 1247 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1248 "overrun_err:", 1249 le32_to_cpu(cck->overrun_err), 1250 accum_cck->overrun_err, 1251 delta_cck->overrun_err, max_cck->overrun_err); 1252 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1253 "early_overrun_err:", 1254 le32_to_cpu(cck->early_overrun_err), 1255 accum_cck->early_overrun_err, 1256 delta_cck->early_overrun_err, 1257 max_cck->early_overrun_err); 1258 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1259 "crc32_good:", 1260 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 1261 delta_cck->crc32_good, 1262 max_cck->crc32_good); 1263 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1264 "false_alarm_cnt:", 1265 le32_to_cpu(cck->false_alarm_cnt), 1266 accum_cck->false_alarm_cnt, 1267 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 1268 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1269 "fina_sync_err_cnt:", 1270 le32_to_cpu(cck->fina_sync_err_cnt), 1271 accum_cck->fina_sync_err_cnt, 1272 delta_cck->fina_sync_err_cnt, 1273 max_cck->fina_sync_err_cnt); 1274 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1275 "sfd_timeout:", 1276 le32_to_cpu(cck->sfd_timeout), 1277 accum_cck->sfd_timeout, 1278 delta_cck->sfd_timeout, max_cck->sfd_timeout); 1279 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1280 "fina_timeout:", 1281 le32_to_cpu(cck->fina_timeout), 1282 accum_cck->fina_timeout, 1283 delta_cck->fina_timeout, max_cck->fina_timeout); 1284 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1285 "unresponded_rts:", 1286 le32_to_cpu(cck->unresponded_rts), 1287 accum_cck->unresponded_rts, 1288 delta_cck->unresponded_rts, 1289 max_cck->unresponded_rts); 1290 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1291 "rxe_frame_lmt_ovrun:", 1292 le32_to_cpu(cck->rxe_frame_limit_overrun), 1293 accum_cck->rxe_frame_limit_overrun, 1294 delta_cck->rxe_frame_limit_overrun, 1295 max_cck->rxe_frame_limit_overrun); 1296 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1297 "sent_ack_cnt:", 1298 le32_to_cpu(cck->sent_ack_cnt), 1299 accum_cck->sent_ack_cnt, 1300 delta_cck->sent_ack_cnt, 1301 max_cck->sent_ack_cnt); 1302 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1303 "sent_cts_cnt:", 1304 le32_to_cpu(cck->sent_cts_cnt), 1305 accum_cck->sent_cts_cnt, 1306 delta_cck->sent_cts_cnt, 1307 max_cck->sent_cts_cnt); 1308 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1309 "sent_ba_rsp_cnt:", 1310 le32_to_cpu(cck->sent_ba_rsp_cnt), 1311 accum_cck->sent_ba_rsp_cnt, 1312 delta_cck->sent_ba_rsp_cnt, 1313 max_cck->sent_ba_rsp_cnt); 1314 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1315 "dsp_self_kill:", 1316 le32_to_cpu(cck->dsp_self_kill), 1317 accum_cck->dsp_self_kill, 1318 delta_cck->dsp_self_kill, 1319 max_cck->dsp_self_kill); 1320 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1321 "mh_format_err:", 1322 le32_to_cpu(cck->mh_format_err), 1323 accum_cck->mh_format_err, 1324 delta_cck->mh_format_err, max_cck->mh_format_err); 1325 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1326 "re_acq_main_rssi_sum:", 1327 le32_to_cpu(cck->re_acq_main_rssi_sum), 1328 accum_cck->re_acq_main_rssi_sum, 1329 delta_cck->re_acq_main_rssi_sum, 1330 max_cck->re_acq_main_rssi_sum); 1331 1332 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1333 "Statistics_Rx - GENERAL:"); 1334 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1335 "bogus_cts:", 1336 le32_to_cpu(general->bogus_cts), 1337 accum_general->bogus_cts, 1338 delta_general->bogus_cts, max_general->bogus_cts); 1339 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1340 "bogus_ack:", 1341 le32_to_cpu(general->bogus_ack), 1342 accum_general->bogus_ack, 1343 delta_general->bogus_ack, max_general->bogus_ack); 1344 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1345 "non_bssid_frames:", 1346 le32_to_cpu(general->non_bssid_frames), 1347 accum_general->non_bssid_frames, 1348 delta_general->non_bssid_frames, 1349 max_general->non_bssid_frames); 1350 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1351 "filtered_frames:", 1352 le32_to_cpu(general->filtered_frames), 1353 accum_general->filtered_frames, 1354 delta_general->filtered_frames, 1355 max_general->filtered_frames); 1356 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1357 "non_channel_beacons:", 1358 le32_to_cpu(general->non_channel_beacons), 1359 accum_general->non_channel_beacons, 1360 delta_general->non_channel_beacons, 1361 max_general->non_channel_beacons); 1362 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1363 "channel_beacons:", 1364 le32_to_cpu(general->channel_beacons), 1365 accum_general->channel_beacons, 1366 delta_general->channel_beacons, 1367 max_general->channel_beacons); 1368 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1369 "num_missed_bcon:", 1370 le32_to_cpu(general->num_missed_bcon), 1371 accum_general->num_missed_bcon, 1372 delta_general->num_missed_bcon, 1373 max_general->num_missed_bcon); 1374 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1375 "adc_rx_saturation_time:", 1376 le32_to_cpu(general->adc_rx_saturation_time), 1377 accum_general->adc_rx_saturation_time, 1378 delta_general->adc_rx_saturation_time, 1379 max_general->adc_rx_saturation_time); 1380 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1381 "ina_detect_search_tm:", 1382 le32_to_cpu(general->ina_detection_search_time), 1383 accum_general->ina_detection_search_time, 1384 delta_general->ina_detection_search_time, 1385 max_general->ina_detection_search_time); 1386 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1387 "beacon_silence_rssi_a:", 1388 le32_to_cpu(general->beacon_silence_rssi_a), 1389 accum_general->beacon_silence_rssi_a, 1390 delta_general->beacon_silence_rssi_a, 1391 max_general->beacon_silence_rssi_a); 1392 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1393 "beacon_silence_rssi_b:", 1394 le32_to_cpu(general->beacon_silence_rssi_b), 1395 accum_general->beacon_silence_rssi_b, 1396 delta_general->beacon_silence_rssi_b, 1397 max_general->beacon_silence_rssi_b); 1398 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1399 "beacon_silence_rssi_c:", 1400 le32_to_cpu(general->beacon_silence_rssi_c), 1401 accum_general->beacon_silence_rssi_c, 1402 delta_general->beacon_silence_rssi_c, 1403 max_general->beacon_silence_rssi_c); 1404 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1405 "interference_data_flag:", 1406 le32_to_cpu(general->interference_data_flag), 1407 accum_general->interference_data_flag, 1408 delta_general->interference_data_flag, 1409 max_general->interference_data_flag); 1410 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1411 "channel_load:", 1412 le32_to_cpu(general->channel_load), 1413 accum_general->channel_load, 1414 delta_general->channel_load, 1415 max_general->channel_load); 1416 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1417 "dsp_false_alarms:", 1418 le32_to_cpu(general->dsp_false_alarms), 1419 accum_general->dsp_false_alarms, 1420 delta_general->dsp_false_alarms, 1421 max_general->dsp_false_alarms); 1422 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1423 "beacon_rssi_a:", 1424 le32_to_cpu(general->beacon_rssi_a), 1425 accum_general->beacon_rssi_a, 1426 delta_general->beacon_rssi_a, 1427 max_general->beacon_rssi_a); 1428 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1429 "beacon_rssi_b:", 1430 le32_to_cpu(general->beacon_rssi_b), 1431 accum_general->beacon_rssi_b, 1432 delta_general->beacon_rssi_b, 1433 max_general->beacon_rssi_b); 1434 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1435 "beacon_rssi_c:", 1436 le32_to_cpu(general->beacon_rssi_c), 1437 accum_general->beacon_rssi_c, 1438 delta_general->beacon_rssi_c, 1439 max_general->beacon_rssi_c); 1440 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1441 "beacon_energy_a:", 1442 le32_to_cpu(general->beacon_energy_a), 1443 accum_general->beacon_energy_a, 1444 delta_general->beacon_energy_a, 1445 max_general->beacon_energy_a); 1446 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1447 "beacon_energy_b:", 1448 le32_to_cpu(general->beacon_energy_b), 1449 accum_general->beacon_energy_b, 1450 delta_general->beacon_energy_b, 1451 max_general->beacon_energy_b); 1452 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1453 "beacon_energy_c:", 1454 le32_to_cpu(general->beacon_energy_c), 1455 accum_general->beacon_energy_c, 1456 delta_general->beacon_energy_c, 1457 max_general->beacon_energy_c); 1458 1459 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); 1460 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1461 "Statistics_Rx - OFDM_HT:"); 1462 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1463 "plcp_err:", 1464 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1465 delta_ht->plcp_err, max_ht->plcp_err); 1466 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1467 "overrun_err:", 1468 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1469 delta_ht->overrun_err, max_ht->overrun_err); 1470 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1471 "early_overrun_err:", 1472 le32_to_cpu(ht->early_overrun_err), 1473 accum_ht->early_overrun_err, 1474 delta_ht->early_overrun_err, 1475 max_ht->early_overrun_err); 1476 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1477 "crc32_good:", 1478 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1479 delta_ht->crc32_good, max_ht->crc32_good); 1480 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1481 "crc32_err:", 1482 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1483 delta_ht->crc32_err, max_ht->crc32_err); 1484 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1485 "mh_format_err:", 1486 le32_to_cpu(ht->mh_format_err), 1487 accum_ht->mh_format_err, 1488 delta_ht->mh_format_err, max_ht->mh_format_err); 1489 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1490 "agg_crc32_good:", 1491 le32_to_cpu(ht->agg_crc32_good), 1492 accum_ht->agg_crc32_good, 1493 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1494 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1495 "agg_mpdu_cnt:", 1496 le32_to_cpu(ht->agg_mpdu_cnt), 1497 accum_ht->agg_mpdu_cnt, 1498 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1499 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1500 "agg_cnt:", 1501 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1502 delta_ht->agg_cnt, max_ht->agg_cnt); 1503 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1504 "unsupport_mcs:", 1505 le32_to_cpu(ht->unsupport_mcs), 1506 accum_ht->unsupport_mcs, 1507 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1508 1509 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1510 kfree(buf); 1511 return ret; 1512} 1513 1514static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1515 char __user *user_buf, 1516 size_t count, loff_t *ppos) 1517{ 1518 struct iwl_priv *priv = file->private_data; 1519 int pos = 0; 1520 char *buf; 1521 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1522 ssize_t ret; 1523 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1524 1525 if (!iwl_is_alive(priv)) 1526 return -EAGAIN; 1527 1528 buf = kzalloc(bufsz, GFP_KERNEL); 1529 if (!buf) { 1530 IWL_ERR(priv, "Can not allocate Buffer\n"); 1531 return -ENOMEM; 1532 } 1533 1534 /* the statistic information display here is based on 1535 * the last statistics notification from uCode 1536 * might not reflect the current uCode activity 1537 */ 1538 tx = &priv->statistics.tx; 1539 accum_tx = &priv->accum_statistics.tx; 1540 delta_tx = &priv->delta_statistics.tx; 1541 max_tx = &priv->max_delta.tx; 1542 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1543 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1544 "Statistics_Tx:"); 1545 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1546 "preamble:", 1547 le32_to_cpu(tx->preamble_cnt), 1548 accum_tx->preamble_cnt, 1549 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1550 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1551 "rx_detected_cnt:", 1552 le32_to_cpu(tx->rx_detected_cnt), 1553 accum_tx->rx_detected_cnt, 1554 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1555 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1556 "bt_prio_defer_cnt:", 1557 le32_to_cpu(tx->bt_prio_defer_cnt), 1558 accum_tx->bt_prio_defer_cnt, 1559 delta_tx->bt_prio_defer_cnt, 1560 max_tx->bt_prio_defer_cnt); 1561 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1562 "bt_prio_kill_cnt:", 1563 le32_to_cpu(tx->bt_prio_kill_cnt), 1564 accum_tx->bt_prio_kill_cnt, 1565 delta_tx->bt_prio_kill_cnt, 1566 max_tx->bt_prio_kill_cnt); 1567 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1568 "few_bytes_cnt:", 1569 le32_to_cpu(tx->few_bytes_cnt), 1570 accum_tx->few_bytes_cnt, 1571 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1572 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1573 "cts_timeout:", 1574 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1575 delta_tx->cts_timeout, max_tx->cts_timeout); 1576 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1577 "ack_timeout:", 1578 le32_to_cpu(tx->ack_timeout), 1579 accum_tx->ack_timeout, 1580 delta_tx->ack_timeout, max_tx->ack_timeout); 1581 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1582 "expected_ack_cnt:", 1583 le32_to_cpu(tx->expected_ack_cnt), 1584 accum_tx->expected_ack_cnt, 1585 delta_tx->expected_ack_cnt, 1586 max_tx->expected_ack_cnt); 1587 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1588 "actual_ack_cnt:", 1589 le32_to_cpu(tx->actual_ack_cnt), 1590 accum_tx->actual_ack_cnt, 1591 delta_tx->actual_ack_cnt, 1592 max_tx->actual_ack_cnt); 1593 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1594 "dump_msdu_cnt:", 1595 le32_to_cpu(tx->dump_msdu_cnt), 1596 accum_tx->dump_msdu_cnt, 1597 delta_tx->dump_msdu_cnt, 1598 max_tx->dump_msdu_cnt); 1599 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1600 "abort_nxt_frame_mismatch:", 1601 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1602 accum_tx->burst_abort_next_frame_mismatch_cnt, 1603 delta_tx->burst_abort_next_frame_mismatch_cnt, 1604 max_tx->burst_abort_next_frame_mismatch_cnt); 1605 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1606 "abort_missing_nxt_frame:", 1607 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1608 accum_tx->burst_abort_missing_next_frame_cnt, 1609 delta_tx->burst_abort_missing_next_frame_cnt, 1610 max_tx->burst_abort_missing_next_frame_cnt); 1611 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1612 "cts_timeout_collision:", 1613 le32_to_cpu(tx->cts_timeout_collision), 1614 accum_tx->cts_timeout_collision, 1615 delta_tx->cts_timeout_collision, 1616 max_tx->cts_timeout_collision); 1617 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1618 "ack_ba_timeout_collision:", 1619 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1620 accum_tx->ack_or_ba_timeout_collision, 1621 delta_tx->ack_or_ba_timeout_collision, 1622 max_tx->ack_or_ba_timeout_collision); 1623 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1624 "agg ba_timeout:", 1625 le32_to_cpu(tx->agg.ba_timeout), 1626 accum_tx->agg.ba_timeout, 1627 delta_tx->agg.ba_timeout, 1628 max_tx->agg.ba_timeout); 1629 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1630 "agg ba_resched_frames:", 1631 le32_to_cpu(tx->agg.ba_reschedule_frames), 1632 accum_tx->agg.ba_reschedule_frames, 1633 delta_tx->agg.ba_reschedule_frames, 1634 max_tx->agg.ba_reschedule_frames); 1635 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1636 "agg scd_query_agg_frame:", 1637 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1638 accum_tx->agg.scd_query_agg_frame_cnt, 1639 delta_tx->agg.scd_query_agg_frame_cnt, 1640 max_tx->agg.scd_query_agg_frame_cnt); 1641 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1642 "agg scd_query_no_agg:", 1643 le32_to_cpu(tx->agg.scd_query_no_agg), 1644 accum_tx->agg.scd_query_no_agg, 1645 delta_tx->agg.scd_query_no_agg, 1646 max_tx->agg.scd_query_no_agg); 1647 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1648 "agg scd_query_agg:", 1649 le32_to_cpu(tx->agg.scd_query_agg), 1650 accum_tx->agg.scd_query_agg, 1651 delta_tx->agg.scd_query_agg, 1652 max_tx->agg.scd_query_agg); 1653 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1654 "agg scd_query_mismatch:", 1655 le32_to_cpu(tx->agg.scd_query_mismatch), 1656 accum_tx->agg.scd_query_mismatch, 1657 delta_tx->agg.scd_query_mismatch, 1658 max_tx->agg.scd_query_mismatch); 1659 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1660 "agg frame_not_ready:", 1661 le32_to_cpu(tx->agg.frame_not_ready), 1662 accum_tx->agg.frame_not_ready, 1663 delta_tx->agg.frame_not_ready, 1664 max_tx->agg.frame_not_ready); 1665 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1666 "agg underrun:", 1667 le32_to_cpu(tx->agg.underrun), 1668 accum_tx->agg.underrun, 1669 delta_tx->agg.underrun, max_tx->agg.underrun); 1670 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1671 "agg bt_prio_kill:", 1672 le32_to_cpu(tx->agg.bt_prio_kill), 1673 accum_tx->agg.bt_prio_kill, 1674 delta_tx->agg.bt_prio_kill, 1675 max_tx->agg.bt_prio_kill); 1676 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1677 "agg rx_ba_rsp_cnt:", 1678 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1679 accum_tx->agg.rx_ba_rsp_cnt, 1680 delta_tx->agg.rx_ba_rsp_cnt, 1681 max_tx->agg.rx_ba_rsp_cnt); 1682 1683 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1684 kfree(buf); 1685 return ret; 1686} 1687 1688static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1689 char __user *user_buf, 1690 size_t count, loff_t *ppos) 1691{ 1692 struct iwl_priv *priv = file->private_data; 1693 int pos = 0; 1694 char *buf; 1695 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1696 ssize_t ret; 1697 struct statistics_general *general, *accum_general; 1698 struct statistics_general *delta_general, *max_general; 1699 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1700 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1701 1702 if (!iwl_is_alive(priv)) 1703 return -EAGAIN; 1704 1705 buf = kzalloc(bufsz, GFP_KERNEL); 1706 if (!buf) { 1707 IWL_ERR(priv, "Can not allocate Buffer\n"); 1708 return -ENOMEM; 1709 } 1710 1711 /* the statistic information display here is based on 1712 * the last statistics notification from uCode 1713 * might not reflect the current uCode activity 1714 */ 1715 general = &priv->statistics.general; 1716 dbg = &priv->statistics.general.dbg; 1717 div = &priv->statistics.general.div; 1718 accum_general = &priv->accum_statistics.general; 1719 delta_general = &priv->delta_statistics.general; 1720 max_general = &priv->max_delta.general; 1721 accum_dbg = &priv->accum_statistics.general.dbg; 1722 delta_dbg = &priv->delta_statistics.general.dbg; 1723 max_dbg = &priv->max_delta.general.dbg; 1724 accum_div = &priv->accum_statistics.general.div; 1725 delta_div = &priv->delta_statistics.general.div; 1726 max_div = &priv->max_delta.general.div; 1727 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1728 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1729 "Statistics_General:"); 1730 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, 1731 "temperature:", 1732 le32_to_cpu(general->temperature)); 1733 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, 1734 "temperature_m:", 1735 le32_to_cpu(general->temperature_m)); 1736 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1737 "burst_check:", 1738 le32_to_cpu(dbg->burst_check), 1739 accum_dbg->burst_check, 1740 delta_dbg->burst_check, max_dbg->burst_check); 1741 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1742 "burst_count:", 1743 le32_to_cpu(dbg->burst_count), 1744 accum_dbg->burst_count, 1745 delta_dbg->burst_count, max_dbg->burst_count); 1746 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1747 "sleep_time:", 1748 le32_to_cpu(general->sleep_time), 1749 accum_general->sleep_time, 1750 delta_general->sleep_time, max_general->sleep_time); 1751 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1752 "slots_out:", 1753 le32_to_cpu(general->slots_out), 1754 accum_general->slots_out, 1755 delta_general->slots_out, max_general->slots_out); 1756 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1757 "slots_idle:", 1758 le32_to_cpu(general->slots_idle), 1759 accum_general->slots_idle, 1760 delta_general->slots_idle, max_general->slots_idle); 1761 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", 1762 le32_to_cpu(general->ttl_timestamp)); 1763 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1764 "tx_on_a:", 1765 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1766 delta_div->tx_on_a, max_div->tx_on_a); 1767 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1768 "tx_on_b:", 1769 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1770 delta_div->tx_on_b, max_div->tx_on_b); 1771 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1772 "exec_time:", 1773 le32_to_cpu(div->exec_time), accum_div->exec_time, 1774 delta_div->exec_time, max_div->exec_time); 1775 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1776 "probe_time:", 1777 le32_to_cpu(div->probe_time), accum_div->probe_time, 1778 delta_div->probe_time, max_div->probe_time); 1779 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1780 "rx_enable_counter:", 1781 le32_to_cpu(general->rx_enable_counter), 1782 accum_general->rx_enable_counter, 1783 delta_general->rx_enable_counter, 1784 max_general->rx_enable_counter); 1785 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1786 "num_of_sos_states:", 1787 le32_to_cpu(general->num_of_sos_states), 1788 accum_general->num_of_sos_states, 1789 delta_general->num_of_sos_states, 1790 max_general->num_of_sos_states); 1791 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1792 kfree(buf); 1793 return ret; 1794} 1795 1796static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1797 char __user *user_buf, 1798 size_t count, loff_t *ppos) { 1799 1800 struct iwl_priv *priv = file->private_data; 1801 int pos = 0; 1802 int cnt = 0; 1803 char *buf; 1804 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1805 ssize_t ret; 1806 struct iwl_sensitivity_data *data; 1807 1808 data = &priv->sensitivity_data; 1809 buf = kzalloc(bufsz, GFP_KERNEL); 1810 if (!buf) { 1811 IWL_ERR(priv, "Can not allocate Buffer\n"); 1812 return -ENOMEM; 1813 } 1814 1815 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1816 data->auto_corr_ofdm); 1817 pos += scnprintf(buf + pos, bufsz - pos, 1818 "auto_corr_ofdm_mrc:\t\t %u\n", 1819 data->auto_corr_ofdm_mrc); 1820 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1821 data->auto_corr_ofdm_x1); 1822 pos += scnprintf(buf + pos, bufsz - pos, 1823 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1824 data->auto_corr_ofdm_mrc_x1); 1825 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1826 data->auto_corr_cck); 1827 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1828 data->auto_corr_cck_mrc); 1829 pos += scnprintf(buf + pos, bufsz - pos, 1830 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1831 data->last_bad_plcp_cnt_ofdm); 1832 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1833 data->last_fa_cnt_ofdm); 1834 pos += scnprintf(buf + pos, bufsz - pos, 1835 "last_bad_plcp_cnt_cck:\t\t %u\n", 1836 data->last_bad_plcp_cnt_cck); 1837 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1838 data->last_fa_cnt_cck); 1839 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1840 data->nrg_curr_state); 1841 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1842 data->nrg_prev_state); 1843 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1844 for (cnt = 0; cnt < 10; cnt++) { 1845 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1846 data->nrg_value[cnt]); 1847 } 1848 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1849 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1850 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1851 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1852 data->nrg_silence_rssi[cnt]); 1853 } 1854 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1855 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1856 data->nrg_silence_ref); 1857 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1858 data->nrg_energy_idx); 1859 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1860 data->nrg_silence_idx); 1861 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1862 data->nrg_th_cck); 1863 pos += scnprintf(buf + pos, bufsz - pos, 1864 "nrg_auto_corr_silence_diff:\t %u\n", 1865 data->nrg_auto_corr_silence_diff); 1866 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1867 data->num_in_cck_no_fa); 1868 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1869 data->nrg_th_ofdm); 1870 1871 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1872 kfree(buf); 1873 return ret; 1874} 1875 1876 1877static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1878 char __user *user_buf, 1879 size_t count, loff_t *ppos) { 1880 1881 struct iwl_priv *priv = file->private_data; 1882 int pos = 0; 1883 int cnt = 0; 1884 char *buf; 1885 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1886 ssize_t ret; 1887 struct iwl_chain_noise_data *data; 1888 1889 data = &priv->chain_noise_data; 1890 buf = kzalloc(bufsz, GFP_KERNEL); 1891 if (!buf) { 1892 IWL_ERR(priv, "Can not allocate Buffer\n"); 1893 return -ENOMEM; 1894 } 1895 1896 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1897 data->active_chains); 1898 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1899 data->chain_noise_a); 1900 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1901 data->chain_noise_b); 1902 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1903 data->chain_noise_c); 1904 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1905 data->chain_signal_a); 1906 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1907 data->chain_signal_b); 1908 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1909 data->chain_signal_c); 1910 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1911 data->beacon_count); 1912 1913 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1914 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1915 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1916 data->disconn_array[cnt]); 1917 } 1918 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1919 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1920 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1921 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1922 data->delta_gain_code[cnt]); 1923 } 1924 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1925 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1926 data->radio_write); 1927 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1928 data->state); 1929 1930 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1931 kfree(buf); 1932 return ret; 1933} 1934 1935static ssize_t iwl_dbgfs_tx_power_read(struct file *file, 1936 char __user *user_buf, 1937 size_t count, loff_t *ppos) { 1938 1939 struct iwl_priv *priv = file->private_data; 1940 char buf[128]; 1941 int pos = 0; 1942 const size_t bufsz = sizeof(buf); 1943 struct statistics_tx *tx; 1944 1945 if (!iwl_is_alive(priv)) 1946 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1947 else { 1948 tx = &priv->statistics.tx; 1949 if (tx->tx_power.ant_a || 1950 tx->tx_power.ant_b || 1951 tx->tx_power.ant_c) { 1952 pos += scnprintf(buf + pos, bufsz - pos, 1953 "tx power: (1/2 dB step)\n"); 1954 if ((priv->cfg->valid_tx_ant & ANT_A) && 1955 tx->tx_power.ant_a) 1956 pos += scnprintf(buf + pos, bufsz - pos, 1957 "\tantenna A: 0x%X\n", 1958 tx->tx_power.ant_a); 1959 if ((priv->cfg->valid_tx_ant & ANT_B) && 1960 tx->tx_power.ant_b) 1961 pos += scnprintf(buf + pos, bufsz - pos, 1962 "\tantenna B: 0x%X\n", 1963 tx->tx_power.ant_b); 1964 if ((priv->cfg->valid_tx_ant & ANT_C) && 1965 tx->tx_power.ant_c) 1966 pos += scnprintf(buf + pos, bufsz - pos, 1967 "\tantenna C: 0x%X\n", 1968 tx->tx_power.ant_c); 1969 } else 1970 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1971 } 1972 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1973} 1974 1975static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1976 char __user *user_buf, 1977 size_t count, loff_t *ppos) 1978{ 1979 struct iwl_priv *priv = file->private_data; 1980 char buf[60]; 1981 int pos = 0; 1982 const size_t bufsz = sizeof(buf); 1983 u32 pwrsave_status; 1984 1985 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & 1986 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1987 1988 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1989 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1990 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1991 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1992 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1993 "error"); 1994 1995 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1996} 1997 1998static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 1999 const char __user *user_buf, 2000 size_t count, loff_t *ppos) 2001{ 2002 struct iwl_priv *priv = file->private_data; 2003 char buf[8]; 2004 int buf_size; 2005 int clear; 2006 2007 memset(buf, 0, sizeof(buf)); 2008 buf_size = min(count, sizeof(buf) - 1); 2009 if (copy_from_user(buf, user_buf, buf_size)) 2010 return -EFAULT; 2011 if (sscanf(buf, "%d", &clear) != 1) 2012 return -EFAULT; 2013 2014 /* make request to uCode to retrieve statistics information */ 2015 mutex_lock(&priv->mutex); 2016 iwl_send_statistics_request(priv, CMD_SYNC, true); 2017 mutex_unlock(&priv->mutex); 2018 2019 return count; 2020} 2021 2022static ssize_t iwl_dbgfs_csr_write(struct file *file, 2023 const char __user *user_buf, 2024 size_t count, loff_t *ppos) 2025{ 2026 struct iwl_priv *priv = file->private_data; 2027 char buf[8]; 2028 int buf_size; 2029 int csr; 2030 2031 memset(buf, 0, sizeof(buf)); 2032 buf_size = min(count, sizeof(buf) - 1); 2033 if (copy_from_user(buf, user_buf, buf_size)) 2034 return -EFAULT; 2035 if (sscanf(buf, "%d", &csr) != 1) 2036 return -EFAULT; 2037 2038 if (priv->cfg->ops->lib->dump_csr) 2039 priv->cfg->ops->lib->dump_csr(priv); 2040 2041 return count; 2042} 2043 2044static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 2045 char __user *user_buf, 2046 size_t count, loff_t *ppos) { 2047 2048 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2049 int pos = 0; 2050 char buf[128]; 2051 const size_t bufsz = sizeof(buf); 2052 ssize_t ret; 2053 2054 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 2055 priv->event_log.ucode_trace ? "On" : "Off"); 2056 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 2057 priv->event_log.non_wraps_count); 2058 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 2059 priv->event_log.wraps_once_count); 2060 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 2061 priv->event_log.wraps_more_count); 2062 2063 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2064 return ret; 2065} 2066 2067static ssize_t iwl_dbgfs_ucode_tracing_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 trace; 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", &trace) != 1) 2081 return -EFAULT; 2082 2083 if (trace) { 2084 priv->event_log.ucode_trace = true; 2085 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ 2086 mod_timer(&priv->ucode_trace, 2087 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); 2088 } else { 2089 priv->event_log.ucode_trace = false; 2090 del_timer_sync(&priv->ucode_trace); 2091 } 2092 2093 return count; 2094} 2095 2096static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, 2097 char __user *user_buf, 2098 size_t count, loff_t *ppos) 2099{ 2100 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2101 char *buf; 2102 int pos = 0; 2103 ssize_t ret = -EFAULT; 2104 2105 if (priv->cfg->ops->lib->dump_fh) { 2106 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true); 2107 if (buf) { 2108 ret = simple_read_from_buffer(user_buf, 2109 count, ppos, buf, pos); 2110 kfree(buf); 2111 } 2112 } 2113 2114 return ret; 2115} 2116 2117static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 2118 char __user *user_buf, 2119 size_t count, loff_t *ppos) { 2120 2121 struct iwl_priv *priv = file->private_data; 2122 int pos = 0; 2123 char buf[12]; 2124 const size_t bufsz = sizeof(buf); 2125 ssize_t ret; 2126 2127 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 2128 priv->missed_beacon_threshold); 2129 2130 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2131 return ret; 2132} 2133 2134static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 2135 const char __user *user_buf, 2136 size_t count, loff_t *ppos) 2137{ 2138 struct iwl_priv *priv = file->private_data; 2139 char buf[8]; 2140 int buf_size; 2141 int missed; 2142 2143 memset(buf, 0, sizeof(buf)); 2144 buf_size = min(count, sizeof(buf) - 1); 2145 if (copy_from_user(buf, user_buf, buf_size)) 2146 return -EFAULT; 2147 if (sscanf(buf, "%d", &missed) != 1) 2148 return -EINVAL; 2149 2150 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 2151 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 2152 priv->missed_beacon_threshold = 2153 IWL_MISSED_BEACON_THRESHOLD_DEF; 2154 else 2155 priv->missed_beacon_threshold = missed; 2156 2157 return count; 2158} 2159 2160static ssize_t iwl_dbgfs_internal_scan_write(struct file *file, 2161 const char __user *user_buf, 2162 size_t count, loff_t *ppos) 2163{ 2164 struct iwl_priv *priv = file->private_data; 2165 char buf[8]; 2166 int buf_size; 2167 int scan; 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", &scan) != 1) 2174 return -EINVAL; 2175 2176 iwl_internal_short_hw_scan(priv); 2177 2178 return count; 2179} 2180 2181static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 2182 char __user *user_buf, 2183 size_t count, loff_t *ppos) { 2184 2185 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2186 int pos = 0; 2187 char buf[12]; 2188 const size_t bufsz = sizeof(buf); 2189 ssize_t ret; 2190 2191 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2192 priv->cfg->plcp_delta_threshold); 2193 2194 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2195 return ret; 2196} 2197 2198static ssize_t iwl_dbgfs_plcp_delta_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 int plcp; 2206 2207 memset(buf, 0, sizeof(buf)); 2208 buf_size = min(count, sizeof(buf) - 1); 2209 if (copy_from_user(buf, user_buf, buf_size)) 2210 return -EFAULT; 2211 if (sscanf(buf, "%d", &plcp) != 1) 2212 return -EINVAL; 2213 if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2214 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2215 priv->cfg->plcp_delta_threshold = 2216 IWL_MAX_PLCP_ERR_THRESHOLD_DEF; 2217 else 2218 priv->cfg->plcp_delta_threshold = plcp; 2219 return count; 2220} 2221 2222static ssize_t iwl_dbgfs_force_reset_read(struct file *file, 2223 char __user *user_buf, 2224 size_t count, loff_t *ppos) { 2225 2226 struct iwl_priv *priv = file->private_data; 2227 int i, pos = 0; 2228 char buf[300]; 2229 const size_t bufsz = sizeof(buf); 2230 struct iwl_force_reset *force_reset; 2231 2232 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { 2233 force_reset = &priv->force_reset[i]; 2234 pos += scnprintf(buf + pos, bufsz - pos, 2235 "Force reset method %d\n", i); 2236 pos += scnprintf(buf + pos, bufsz - pos, 2237 "\tnumber of reset request: %d\n", 2238 force_reset->reset_request_count); 2239 pos += scnprintf(buf + pos, bufsz - pos, 2240 "\tnumber of reset request success: %d\n", 2241 force_reset->reset_success_count); 2242 pos += scnprintf(buf + pos, bufsz - pos, 2243 "\tnumber of reset request reject: %d\n", 2244 force_reset->reset_reject_count); 2245 pos += scnprintf(buf + pos, bufsz - pos, 2246 "\treset duration: %lu\n", 2247 force_reset->reset_duration); 2248 } 2249 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2250} 2251 2252static ssize_t iwl_dbgfs_force_reset_write(struct file *file, 2253 const char __user *user_buf, 2254 size_t count, loff_t *ppos) { 2255 2256 struct iwl_priv *priv = file->private_data; 2257 char buf[8]; 2258 int buf_size; 2259 int reset, ret; 2260 2261 memset(buf, 0, sizeof(buf)); 2262 buf_size = min(count, sizeof(buf) - 1); 2263 if (copy_from_user(buf, user_buf, buf_size)) 2264 return -EFAULT; 2265 if (sscanf(buf, "%d", &reset) != 1) 2266 return -EINVAL; 2267 switch (reset) { 2268 case IWL_RF_RESET: 2269 case IWL_FW_RESET: 2270 ret = iwl_force_reset(priv, reset); 2271 break; 2272 default: 2273 return -EINVAL; 2274 } 2275 return ret ? ret : count; 2276} 2277 2278DEBUGFS_READ_FILE_OPS(rx_statistics); 2279DEBUGFS_READ_FILE_OPS(tx_statistics); 2280DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 2281DEBUGFS_READ_FILE_OPS(rx_queue); 2282DEBUGFS_READ_FILE_OPS(tx_queue); 2283DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2284DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2285DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2286DEBUGFS_READ_FILE_OPS(sensitivity); 2287DEBUGFS_READ_FILE_OPS(chain_noise); 2288DEBUGFS_READ_FILE_OPS(tx_power); 2289DEBUGFS_READ_FILE_OPS(power_save_status); 2290DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2291DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 2292DEBUGFS_WRITE_FILE_OPS(csr); 2293DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2294DEBUGFS_READ_FILE_OPS(fh_reg); 2295DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2296DEBUGFS_WRITE_FILE_OPS(internal_scan); 2297DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2298DEBUGFS_READ_WRITE_FILE_OPS(force_reset); 2299 2300/* 2301 * Create the debugfs files and directories 2302 * 2303 */ 2304int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 2305{ 2306 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 2307 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; 2308 2309 dir_drv = debugfs_create_dir(name, phyd); 2310 if (!dir_drv) 2311 return -ENOMEM; 2312 2313 priv->debugfs_dir = dir_drv; 2314 2315 dir_data = debugfs_create_dir("data", dir_drv); 2316 if (!dir_data) 2317 goto err; 2318 dir_rf = debugfs_create_dir("rf", dir_drv); 2319 if (!dir_rf) 2320 goto err; 2321 dir_debug = debugfs_create_dir("debug", dir_drv); 2322 if (!dir_debug) 2323 goto err; 2324 2325 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2326 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2327 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); 2328 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2329 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2330 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2331 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); 2332 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2333 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR); 2334 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2335 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2336 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2337 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2338 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); 2339 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); 2340 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); 2341 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); 2342 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); 2343 DEBUGFS_ADD_FILE(tx_power, dir_debug, S_IRUSR); 2344 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2345 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2346 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); 2347 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR); 2348 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); 2349 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2350 DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR); 2351 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2352 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); 2353 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 2354 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2355 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2356 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2357 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2358 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2359 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2360 } 2361 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal); 2362 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, 2363 &priv->disable_chain_noise_cal); 2364 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 2365 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 2366 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, 2367 &priv->disable_tx_power_cal); 2368 return 0; 2369 2370err: 2371 IWL_ERR(priv, "Can't create the debugfs directory\n"); 2372 iwl_dbgfs_unregister(priv); 2373 return -ENOMEM; 2374} 2375EXPORT_SYMBOL(iwl_dbgfs_register); 2376 2377/** 2378 * Remove the debugfs files and directories 2379 * 2380 */ 2381void iwl_dbgfs_unregister(struct iwl_priv *priv) 2382{ 2383 if (!priv->debugfs_dir) 2384 return; 2385 2386 debugfs_remove_recursive(priv->debugfs_dir); 2387 priv->debugfs_dir = NULL; 2388} 2389EXPORT_SYMBOL(iwl_dbgfs_unregister); 2390 2391 2392 2393