iwl-debugfs.c revision d3a571971e5af241074947fc80f6284677f6e014
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_HCMD_SYNC_ACTIVE: %d\n", 534 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)); 535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 536 test_bit(STATUS_INT_ENABLED, &priv->status)); 537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 538 test_bit(STATUS_RF_KILL_HW, &priv->status)); 539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 540 test_bit(STATUS_CT_KILL, &priv->status)); 541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 542 test_bit(STATUS_INIT, &priv->status)); 543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 544 test_bit(STATUS_ALIVE, &priv->status)); 545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 546 test_bit(STATUS_READY, &priv->status)); 547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 548 test_bit(STATUS_TEMPERATURE, &priv->status)); 549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 550 test_bit(STATUS_GEO_CONFIGURED, &priv->status)); 551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 552 test_bit(STATUS_EXIT_PENDING, &priv->status)); 553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 554 test_bit(STATUS_STATISTICS, &priv->status)); 555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 556 test_bit(STATUS_SCANNING, &priv->status)); 557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 558 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 560 test_bit(STATUS_SCAN_HW, &priv->status)); 561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 562 test_bit(STATUS_POWER_PMI, &priv->status)); 563 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 564 test_bit(STATUS_FW_ERROR, &priv->status)); 565 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", 566 test_bit(STATUS_MODE_PENDING, &priv->status)); 567 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 568} 569 570static ssize_t iwl_dbgfs_interrupt_read(struct file *file, 571 char __user *user_buf, 572 size_t count, loff_t *ppos) { 573 574 struct iwl_priv *priv = file->private_data; 575 int pos = 0; 576 int cnt = 0; 577 char *buf; 578 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 579 ssize_t ret; 580 581 buf = kzalloc(bufsz, GFP_KERNEL); 582 if (!buf) { 583 IWL_ERR(priv, "Can not allocate Buffer\n"); 584 return -ENOMEM; 585 } 586 587 pos += scnprintf(buf + pos, bufsz - pos, 588 "Interrupt Statistics Report:\n"); 589 590 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", 591 priv->isr_stats.hw); 592 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", 593 priv->isr_stats.sw); 594 if (priv->isr_stats.sw > 0) { 595 pos += scnprintf(buf + pos, bufsz - pos, 596 "\tLast Restarting Code: 0x%X\n", 597 priv->isr_stats.sw_err); 598 } 599#ifdef CONFIG_IWLWIFI_DEBUG 600 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", 601 priv->isr_stats.sch); 602 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", 603 priv->isr_stats.alive); 604#endif 605 pos += scnprintf(buf + pos, bufsz - pos, 606 "HW RF KILL switch toggled:\t %u\n", 607 priv->isr_stats.rfkill); 608 609 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", 610 priv->isr_stats.ctkill); 611 612 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", 613 priv->isr_stats.wakeup); 614 615 pos += scnprintf(buf + pos, bufsz - pos, 616 "Rx command responses:\t\t %u\n", 617 priv->isr_stats.rx); 618 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 619 if (priv->isr_stats.rx_handlers[cnt] > 0) 620 pos += scnprintf(buf + pos, bufsz - pos, 621 "\tRx handler[%36s]:\t\t %u\n", 622 get_cmd_string(cnt), 623 priv->isr_stats.rx_handlers[cnt]); 624 } 625 626 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", 627 priv->isr_stats.tx); 628 629 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", 630 priv->isr_stats.unhandled); 631 632 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 633 kfree(buf); 634 return ret; 635} 636 637static ssize_t iwl_dbgfs_interrupt_write(struct file *file, 638 const char __user *user_buf, 639 size_t count, loff_t *ppos) 640{ 641 struct iwl_priv *priv = file->private_data; 642 char buf[8]; 643 int buf_size; 644 u32 reset_flag; 645 646 memset(buf, 0, sizeof(buf)); 647 buf_size = min(count, sizeof(buf) - 1); 648 if (copy_from_user(buf, user_buf, buf_size)) 649 return -EFAULT; 650 if (sscanf(buf, "%x", &reset_flag) != 1) 651 return -EFAULT; 652 if (reset_flag == 0) 653 iwl_clear_isr_stats(priv); 654 655 return count; 656} 657 658static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 659 size_t count, loff_t *ppos) 660{ 661 struct iwl_priv *priv = file->private_data; 662 int pos = 0, i; 663 char buf[256]; 664 const size_t bufsz = sizeof(buf); 665 ssize_t ret; 666 667 for (i = 0; i < AC_NUM; i++) { 668 pos += scnprintf(buf + pos, bufsz - pos, 669 "\tcw_min\tcw_max\taifsn\ttxop\n"); 670 pos += scnprintf(buf + pos, bufsz - pos, 671 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 672 priv->qos_data.def_qos_parm.ac[i].cw_min, 673 priv->qos_data.def_qos_parm.ac[i].cw_max, 674 priv->qos_data.def_qos_parm.ac[i].aifsn, 675 priv->qos_data.def_qos_parm.ac[i].edca_txop); 676 } 677 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 678 return ret; 679} 680 681static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, 682 size_t count, loff_t *ppos) 683{ 684 struct iwl_priv *priv = file->private_data; 685 int pos = 0; 686 char buf[256]; 687 const size_t bufsz = sizeof(buf); 688 ssize_t ret; 689 690 pos += scnprintf(buf + pos, bufsz - pos, 691 "allow blinking: %s\n", 692 (priv->allow_blinking) ? "True" : "False"); 693 if (priv->allow_blinking) { 694 pos += scnprintf(buf + pos, bufsz - pos, 695 "Led blinking rate: %u\n", 696 priv->last_blink_rate); 697 pos += scnprintf(buf + pos, bufsz - pos, 698 "Last blink time: %lu\n", 699 priv->last_blink_time); 700 } 701 702 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 703 return ret; 704} 705 706static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 707 char __user *user_buf, 708 size_t count, loff_t *ppos) 709{ 710 struct iwl_priv *priv = file->private_data; 711 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 712 struct iwl_tt_restriction *restriction; 713 char buf[100]; 714 int pos = 0; 715 const size_t bufsz = sizeof(buf); 716 ssize_t ret; 717 718 pos += scnprintf(buf + pos, bufsz - pos, 719 "Thermal Throttling Mode: %s\n", 720 tt->advanced_tt ? "Advance" : "Legacy"); 721 pos += scnprintf(buf + pos, bufsz - pos, 722 "Thermal Throttling State: %d\n", 723 tt->state); 724 if (tt->advanced_tt) { 725 restriction = tt->restriction + tt->state; 726 pos += scnprintf(buf + pos, bufsz - pos, 727 "Tx mode: %d\n", 728 restriction->tx_stream); 729 pos += scnprintf(buf + pos, bufsz - pos, 730 "Rx mode: %d\n", 731 restriction->rx_stream); 732 pos += scnprintf(buf + pos, bufsz - pos, 733 "HT mode: %d\n", 734 restriction->is_ht); 735 } 736 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 737 return ret; 738} 739 740static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 741 const char __user *user_buf, 742 size_t count, loff_t *ppos) 743{ 744 struct iwl_priv *priv = file->private_data; 745 char buf[8]; 746 int buf_size; 747 int ht40; 748 749 memset(buf, 0, sizeof(buf)); 750 buf_size = min(count, sizeof(buf) - 1); 751 if (copy_from_user(buf, user_buf, buf_size)) 752 return -EFAULT; 753 if (sscanf(buf, "%d", &ht40) != 1) 754 return -EFAULT; 755 if (!iwl_is_associated(priv)) 756 priv->disable_ht40 = ht40 ? true : false; 757 else { 758 IWL_ERR(priv, "Sta associated with AP - " 759 "Change to 40MHz channel support is not allowed\n"); 760 return -EINVAL; 761 } 762 763 return count; 764} 765 766static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 767 char __user *user_buf, 768 size_t count, loff_t *ppos) 769{ 770 struct iwl_priv *priv = file->private_data; 771 char buf[100]; 772 int pos = 0; 773 const size_t bufsz = sizeof(buf); 774 ssize_t ret; 775 776 pos += scnprintf(buf + pos, bufsz - pos, 777 "11n 40MHz Mode: %s\n", 778 priv->disable_ht40 ? "Disabled" : "Enabled"); 779 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 780 return ret; 781} 782 783static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 784 const char __user *user_buf, 785 size_t count, loff_t *ppos) 786{ 787 struct iwl_priv *priv = file->private_data; 788 char buf[8]; 789 int buf_size; 790 int value; 791 792 memset(buf, 0, sizeof(buf)); 793 buf_size = min(count, sizeof(buf) - 1); 794 if (copy_from_user(buf, user_buf, buf_size)) 795 return -EFAULT; 796 797 if (sscanf(buf, "%d", &value) != 1) 798 return -EINVAL; 799 800 /* 801 * Our users expect 0 to be "CAM", but 0 isn't actually 802 * valid here. However, let's not confuse them and present 803 * IWL_POWER_INDEX_1 as "1", not "0". 804 */ 805 if (value == 0) 806 return -EINVAL; 807 else if (value > 0) 808 value -= 1; 809 810 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 811 return -EINVAL; 812 813 if (!iwl_is_ready_rf(priv)) 814 return -EAGAIN; 815 816 priv->power_data.debug_sleep_level_override = value; 817 818 mutex_lock(&priv->mutex); 819 iwl_power_update_mode(priv, true); 820 mutex_unlock(&priv->mutex); 821 822 return count; 823} 824 825static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 826 char __user *user_buf, 827 size_t count, loff_t *ppos) 828{ 829 struct iwl_priv *priv = file->private_data; 830 char buf[10]; 831 int pos, value; 832 const size_t bufsz = sizeof(buf); 833 834 /* see the write function */ 835 value = priv->power_data.debug_sleep_level_override; 836 if (value >= 0) 837 value += 1; 838 839 pos = scnprintf(buf, bufsz, "%d\n", value); 840 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 841} 842 843static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 844 char __user *user_buf, 845 size_t count, loff_t *ppos) 846{ 847 struct iwl_priv *priv = file->private_data; 848 char buf[200]; 849 int pos = 0, i; 850 const size_t bufsz = sizeof(buf); 851 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 852 853 pos += scnprintf(buf + pos, bufsz - pos, 854 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 855 pos += scnprintf(buf + pos, bufsz - pos, 856 "RX/TX timeout: %d/%d usec\n", 857 le32_to_cpu(cmd->rx_data_timeout), 858 le32_to_cpu(cmd->tx_data_timeout)); 859 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 860 pos += scnprintf(buf + pos, bufsz - pos, 861 "sleep_interval[%d]: %d\n", i, 862 le32_to_cpu(cmd->sleep_interval[i])); 863 864 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 865} 866 867DEBUGFS_READ_WRITE_FILE_OPS(sram); 868DEBUGFS_READ_WRITE_FILE_OPS(log_event); 869DEBUGFS_READ_FILE_OPS(nvm); 870DEBUGFS_READ_FILE_OPS(stations); 871DEBUGFS_READ_FILE_OPS(channels); 872DEBUGFS_READ_FILE_OPS(status); 873DEBUGFS_READ_WRITE_FILE_OPS(interrupt); 874DEBUGFS_READ_FILE_OPS(qos); 875DEBUGFS_READ_FILE_OPS(led); 876DEBUGFS_READ_FILE_OPS(thermal_throttling); 877DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 878DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 879DEBUGFS_READ_FILE_OPS(current_sleep_command); 880 881static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 882 char __user *user_buf, 883 size_t count, loff_t *ppos) 884{ 885 struct iwl_priv *priv = file->private_data; 886 int pos = 0, ofs = 0; 887 int cnt = 0, entry; 888 struct iwl_tx_queue *txq; 889 struct iwl_queue *q; 890 struct iwl_rx_queue *rxq = &priv->rxq; 891 char *buf; 892 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 893 (priv->cfg->num_of_queues * 32 * 8) + 400; 894 const u8 *ptr; 895 ssize_t ret; 896 897 if (!priv->txq) { 898 IWL_ERR(priv, "txq not ready\n"); 899 return -EAGAIN; 900 } 901 buf = kzalloc(bufsz, GFP_KERNEL); 902 if (!buf) { 903 IWL_ERR(priv, "Can not allocate buffer\n"); 904 return -ENOMEM; 905 } 906 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); 907 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 908 txq = &priv->txq[cnt]; 909 q = &txq->q; 910 pos += scnprintf(buf + pos, bufsz - pos, 911 "q[%d]: read_ptr: %u, write_ptr: %u\n", 912 cnt, q->read_ptr, q->write_ptr); 913 } 914 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { 915 ptr = priv->tx_traffic; 916 pos += scnprintf(buf + pos, bufsz - pos, 917 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 918 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 919 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 920 entry++, ofs += 16) { 921 pos += scnprintf(buf + pos, bufsz - pos, 922 "0x%.4x ", ofs); 923 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 924 buf + pos, bufsz - pos, 0); 925 pos += strlen(buf + pos); 926 if (bufsz - pos > 0) 927 buf[pos++] = '\n'; 928 } 929 } 930 } 931 932 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); 933 pos += scnprintf(buf + pos, bufsz - pos, 934 "read: %u, write: %u\n", 935 rxq->read, rxq->write); 936 937 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { 938 ptr = priv->rx_traffic; 939 pos += scnprintf(buf + pos, bufsz - pos, 940 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 941 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 942 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 943 entry++, ofs += 16) { 944 pos += scnprintf(buf + pos, bufsz - pos, 945 "0x%.4x ", ofs); 946 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 947 buf + pos, bufsz - pos, 0); 948 pos += strlen(buf + pos); 949 if (bufsz - pos > 0) 950 buf[pos++] = '\n'; 951 } 952 } 953 } 954 955 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 956 kfree(buf); 957 return ret; 958} 959 960static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 961 const char __user *user_buf, 962 size_t count, loff_t *ppos) 963{ 964 struct iwl_priv *priv = file->private_data; 965 char buf[8]; 966 int buf_size; 967 int traffic_log; 968 969 memset(buf, 0, sizeof(buf)); 970 buf_size = min(count, sizeof(buf) - 1); 971 if (copy_from_user(buf, user_buf, buf_size)) 972 return -EFAULT; 973 if (sscanf(buf, "%d", &traffic_log) != 1) 974 return -EFAULT; 975 if (traffic_log == 0) 976 iwl_reset_traffic_log(priv); 977 978 return count; 979} 980 981static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, 982 char __user *user_buf, 983 size_t count, loff_t *ppos) { 984 985 struct iwl_priv *priv = file->private_data; 986 struct iwl_tx_queue *txq; 987 struct iwl_queue *q; 988 char *buf; 989 int pos = 0; 990 int cnt; 991 int ret; 992 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues; 993 994 if (!priv->txq) { 995 IWL_ERR(priv, "txq not ready\n"); 996 return -EAGAIN; 997 } 998 buf = kzalloc(bufsz, GFP_KERNEL); 999 if (!buf) 1000 return -ENOMEM; 1001 1002 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 1003 txq = &priv->txq[cnt]; 1004 q = &txq->q; 1005 pos += scnprintf(buf + pos, bufsz - pos, 1006 "hwq %.2d: read=%u write=%u stop=%d" 1007 " swq_id=%#.2x (ac %d/hwq %d)\n", 1008 cnt, q->read_ptr, q->write_ptr, 1009 !!test_bit(cnt, priv->queue_stopped), 1010 txq->swq_id, 1011 txq->swq_id & 0x80 ? txq->swq_id & 3 : 1012 txq->swq_id, 1013 txq->swq_id & 0x80 ? (txq->swq_id >> 2) & 1014 0x1f : txq->swq_id); 1015 if (cnt >= 4) 1016 continue; 1017 /* for the ACs, display the stop count too */ 1018 pos += scnprintf(buf + pos, bufsz - pos, 1019 " stop-count: %d\n", 1020 atomic_read(&priv->queue_stop_count[cnt])); 1021 } 1022 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1023 kfree(buf); 1024 return ret; 1025} 1026 1027static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, 1028 char __user *user_buf, 1029 size_t count, loff_t *ppos) { 1030 1031 struct iwl_priv *priv = file->private_data; 1032 struct iwl_rx_queue *rxq = &priv->rxq; 1033 char buf[256]; 1034 int pos = 0; 1035 const size_t bufsz = sizeof(buf); 1036 1037 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", 1038 rxq->read); 1039 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", 1040 rxq->write); 1041 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", 1042 rxq->free_count); 1043 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", 1044 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); 1045 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1046} 1047 1048static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, 1049 int bufsz) 1050{ 1051 int p = 0; 1052 1053 p += scnprintf(buf + p, bufsz - p, 1054 "Statistics Flag(0x%X):\n", 1055 le32_to_cpu(priv->statistics.flag)); 1056 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) 1057 p += scnprintf(buf + p, bufsz - p, 1058 "\tStatistics have been cleared\n"); 1059 p += scnprintf(buf + p, bufsz - p, 1060 "\tOperational Frequency: %s\n", 1061 (le32_to_cpu(priv->statistics.flag) & 1062 UCODE_STATISTICS_FREQUENCY_MSK) 1063 ? "2.4 GHz" : "5.2 GHz"); 1064 p += scnprintf(buf + p, bufsz - p, 1065 "\tTGj Narrow Band: %s\n", 1066 (le32_to_cpu(priv->statistics.flag) & 1067 UCODE_STATISTICS_NARROW_BAND_MSK) 1068 ? "enabled" : "disabled"); 1069 return p; 1070} 1071 1072static const char ucode_stats_header[] = 1073 "%-32s current acumulative delta max\n"; 1074static const char ucode_stats_short_format[] = 1075 " %-30s %10u\n"; 1076static const char ucode_stats_format[] = 1077 " %-30s %10u %10u %10u %10u\n"; 1078 1079static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 1080 char __user *user_buf, 1081 size_t count, loff_t *ppos) 1082{ 1083 struct iwl_priv *priv = file->private_data; 1084 int pos = 0; 1085 char *buf; 1086 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 1087 sizeof(struct statistics_rx_non_phy) * 40 + 1088 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 1089 ssize_t ret; 1090 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 1091 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 1092 struct statistics_rx_non_phy *general, *accum_general; 1093 struct statistics_rx_non_phy *delta_general, *max_general; 1094 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 1095 1096 if (!iwl_is_alive(priv)) 1097 return -EAGAIN; 1098 1099 buf = kzalloc(bufsz, GFP_KERNEL); 1100 if (!buf) { 1101 IWL_ERR(priv, "Can not allocate Buffer\n"); 1102 return -ENOMEM; 1103 } 1104 1105 /* the statistic information display here is based on 1106 * the last statistics notification from uCode 1107 * might not reflect the current uCode activity 1108 */ 1109 ofdm = &priv->statistics.rx.ofdm; 1110 cck = &priv->statistics.rx.cck; 1111 general = &priv->statistics.rx.general; 1112 ht = &priv->statistics.rx.ofdm_ht; 1113 accum_ofdm = &priv->accum_statistics.rx.ofdm; 1114 accum_cck = &priv->accum_statistics.rx.cck; 1115 accum_general = &priv->accum_statistics.rx.general; 1116 accum_ht = &priv->accum_statistics.rx.ofdm_ht; 1117 delta_ofdm = &priv->delta_statistics.rx.ofdm; 1118 delta_cck = &priv->delta_statistics.rx.cck; 1119 delta_general = &priv->delta_statistics.rx.general; 1120 delta_ht = &priv->delta_statistics.rx.ofdm_ht; 1121 max_ofdm = &priv->max_delta.rx.ofdm; 1122 max_cck = &priv->max_delta.rx.cck; 1123 max_general = &priv->max_delta.rx.general; 1124 max_ht = &priv->max_delta.rx.ofdm_ht; 1125 1126 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1127 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1128 "Statistics_Rx - OFDM:"); 1129 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1130 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt), 1131 accum_ofdm->ina_cnt, 1132 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 1133 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1134 "fina_cnt:", 1135 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 1136 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 1137 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1138 "plcp_err:", 1139 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 1140 delta_ofdm->plcp_err, max_ofdm->plcp_err); 1141 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1142 "crc32_err:", 1143 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 1144 delta_ofdm->crc32_err, max_ofdm->crc32_err); 1145 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1146 "overrun_err:", 1147 le32_to_cpu(ofdm->overrun_err), 1148 accum_ofdm->overrun_err, 1149 delta_ofdm->overrun_err, max_ofdm->overrun_err); 1150 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1151 "early_overrun_err:", 1152 le32_to_cpu(ofdm->early_overrun_err), 1153 accum_ofdm->early_overrun_err, 1154 delta_ofdm->early_overrun_err, 1155 max_ofdm->early_overrun_err); 1156 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1157 "crc32_good:", 1158 le32_to_cpu(ofdm->crc32_good), 1159 accum_ofdm->crc32_good, 1160 delta_ofdm->crc32_good, max_ofdm->crc32_good); 1161 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1162 "false_alarm_cnt:", 1163 le32_to_cpu(ofdm->false_alarm_cnt), 1164 accum_ofdm->false_alarm_cnt, 1165 delta_ofdm->false_alarm_cnt, 1166 max_ofdm->false_alarm_cnt); 1167 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1168 "fina_sync_err_cnt:", 1169 le32_to_cpu(ofdm->fina_sync_err_cnt), 1170 accum_ofdm->fina_sync_err_cnt, 1171 delta_ofdm->fina_sync_err_cnt, 1172 max_ofdm->fina_sync_err_cnt); 1173 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1174 "sfd_timeout:", 1175 le32_to_cpu(ofdm->sfd_timeout), 1176 accum_ofdm->sfd_timeout, 1177 delta_ofdm->sfd_timeout, 1178 max_ofdm->sfd_timeout); 1179 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1180 "fina_timeout:", 1181 le32_to_cpu(ofdm->fina_timeout), 1182 accum_ofdm->fina_timeout, 1183 delta_ofdm->fina_timeout, 1184 max_ofdm->fina_timeout); 1185 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1186 "unresponded_rts:", 1187 le32_to_cpu(ofdm->unresponded_rts), 1188 accum_ofdm->unresponded_rts, 1189 delta_ofdm->unresponded_rts, 1190 max_ofdm->unresponded_rts); 1191 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1192 "rxe_frame_lmt_ovrun:", 1193 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1194 accum_ofdm->rxe_frame_limit_overrun, 1195 delta_ofdm->rxe_frame_limit_overrun, 1196 max_ofdm->rxe_frame_limit_overrun); 1197 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1198 "sent_ack_cnt:", 1199 le32_to_cpu(ofdm->sent_ack_cnt), 1200 accum_ofdm->sent_ack_cnt, 1201 delta_ofdm->sent_ack_cnt, 1202 max_ofdm->sent_ack_cnt); 1203 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1204 "sent_cts_cnt:", 1205 le32_to_cpu(ofdm->sent_cts_cnt), 1206 accum_ofdm->sent_cts_cnt, 1207 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt); 1208 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1209 "sent_ba_rsp_cnt:", 1210 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1211 accum_ofdm->sent_ba_rsp_cnt, 1212 delta_ofdm->sent_ba_rsp_cnt, 1213 max_ofdm->sent_ba_rsp_cnt); 1214 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1215 "dsp_self_kill:", 1216 le32_to_cpu(ofdm->dsp_self_kill), 1217 accum_ofdm->dsp_self_kill, 1218 delta_ofdm->dsp_self_kill, 1219 max_ofdm->dsp_self_kill); 1220 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1221 "mh_format_err:", 1222 le32_to_cpu(ofdm->mh_format_err), 1223 accum_ofdm->mh_format_err, 1224 delta_ofdm->mh_format_err, 1225 max_ofdm->mh_format_err); 1226 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1227 "re_acq_main_rssi_sum:", 1228 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1229 accum_ofdm->re_acq_main_rssi_sum, 1230 delta_ofdm->re_acq_main_rssi_sum, 1231 max_ofdm->re_acq_main_rssi_sum); 1232 1233 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1234 "Statistics_Rx - CCK:"); 1235 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1236 "ina_cnt:", 1237 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 1238 delta_cck->ina_cnt, max_cck->ina_cnt); 1239 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1240 "fina_cnt:", 1241 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 1242 delta_cck->fina_cnt, max_cck->fina_cnt); 1243 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1244 "plcp_err:", 1245 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 1246 delta_cck->plcp_err, max_cck->plcp_err); 1247 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1248 "crc32_err:", 1249 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 1250 delta_cck->crc32_err, max_cck->crc32_err); 1251 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1252 "overrun_err:", 1253 le32_to_cpu(cck->overrun_err), 1254 accum_cck->overrun_err, 1255 delta_cck->overrun_err, max_cck->overrun_err); 1256 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1257 "early_overrun_err:", 1258 le32_to_cpu(cck->early_overrun_err), 1259 accum_cck->early_overrun_err, 1260 delta_cck->early_overrun_err, 1261 max_cck->early_overrun_err); 1262 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1263 "crc32_good:", 1264 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 1265 delta_cck->crc32_good, 1266 max_cck->crc32_good); 1267 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1268 "false_alarm_cnt:", 1269 le32_to_cpu(cck->false_alarm_cnt), 1270 accum_cck->false_alarm_cnt, 1271 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 1272 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1273 "fina_sync_err_cnt:", 1274 le32_to_cpu(cck->fina_sync_err_cnt), 1275 accum_cck->fina_sync_err_cnt, 1276 delta_cck->fina_sync_err_cnt, 1277 max_cck->fina_sync_err_cnt); 1278 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1279 "sfd_timeout:", 1280 le32_to_cpu(cck->sfd_timeout), 1281 accum_cck->sfd_timeout, 1282 delta_cck->sfd_timeout, max_cck->sfd_timeout); 1283 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1284 "fina_timeout:", 1285 le32_to_cpu(cck->fina_timeout), 1286 accum_cck->fina_timeout, 1287 delta_cck->fina_timeout, max_cck->fina_timeout); 1288 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1289 "unresponded_rts:", 1290 le32_to_cpu(cck->unresponded_rts), 1291 accum_cck->unresponded_rts, 1292 delta_cck->unresponded_rts, 1293 max_cck->unresponded_rts); 1294 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1295 "rxe_frame_lmt_ovrun:", 1296 le32_to_cpu(cck->rxe_frame_limit_overrun), 1297 accum_cck->rxe_frame_limit_overrun, 1298 delta_cck->rxe_frame_limit_overrun, 1299 max_cck->rxe_frame_limit_overrun); 1300 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1301 "sent_ack_cnt:", 1302 le32_to_cpu(cck->sent_ack_cnt), 1303 accum_cck->sent_ack_cnt, 1304 delta_cck->sent_ack_cnt, 1305 max_cck->sent_ack_cnt); 1306 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1307 "sent_cts_cnt:", 1308 le32_to_cpu(cck->sent_cts_cnt), 1309 accum_cck->sent_cts_cnt, 1310 delta_cck->sent_cts_cnt, 1311 max_cck->sent_cts_cnt); 1312 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1313 "sent_ba_rsp_cnt:", 1314 le32_to_cpu(cck->sent_ba_rsp_cnt), 1315 accum_cck->sent_ba_rsp_cnt, 1316 delta_cck->sent_ba_rsp_cnt, 1317 max_cck->sent_ba_rsp_cnt); 1318 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1319 "dsp_self_kill:", 1320 le32_to_cpu(cck->dsp_self_kill), 1321 accum_cck->dsp_self_kill, 1322 delta_cck->dsp_self_kill, 1323 max_cck->dsp_self_kill); 1324 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1325 "mh_format_err:", 1326 le32_to_cpu(cck->mh_format_err), 1327 accum_cck->mh_format_err, 1328 delta_cck->mh_format_err, max_cck->mh_format_err); 1329 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1330 "re_acq_main_rssi_sum:", 1331 le32_to_cpu(cck->re_acq_main_rssi_sum), 1332 accum_cck->re_acq_main_rssi_sum, 1333 delta_cck->re_acq_main_rssi_sum, 1334 max_cck->re_acq_main_rssi_sum); 1335 1336 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1337 "Statistics_Rx - GENERAL:"); 1338 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1339 "bogus_cts:", 1340 le32_to_cpu(general->bogus_cts), 1341 accum_general->bogus_cts, 1342 delta_general->bogus_cts, max_general->bogus_cts); 1343 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1344 "bogus_ack:", 1345 le32_to_cpu(general->bogus_ack), 1346 accum_general->bogus_ack, 1347 delta_general->bogus_ack, max_general->bogus_ack); 1348 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1349 "non_bssid_frames:", 1350 le32_to_cpu(general->non_bssid_frames), 1351 accum_general->non_bssid_frames, 1352 delta_general->non_bssid_frames, 1353 max_general->non_bssid_frames); 1354 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1355 "filtered_frames:", 1356 le32_to_cpu(general->filtered_frames), 1357 accum_general->filtered_frames, 1358 delta_general->filtered_frames, 1359 max_general->filtered_frames); 1360 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1361 "non_channel_beacons:", 1362 le32_to_cpu(general->non_channel_beacons), 1363 accum_general->non_channel_beacons, 1364 delta_general->non_channel_beacons, 1365 max_general->non_channel_beacons); 1366 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1367 "channel_beacons:", 1368 le32_to_cpu(general->channel_beacons), 1369 accum_general->channel_beacons, 1370 delta_general->channel_beacons, 1371 max_general->channel_beacons); 1372 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1373 "num_missed_bcon:", 1374 le32_to_cpu(general->num_missed_bcon), 1375 accum_general->num_missed_bcon, 1376 delta_general->num_missed_bcon, 1377 max_general->num_missed_bcon); 1378 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1379 "adc_rx_saturation_time:", 1380 le32_to_cpu(general->adc_rx_saturation_time), 1381 accum_general->adc_rx_saturation_time, 1382 delta_general->adc_rx_saturation_time, 1383 max_general->adc_rx_saturation_time); 1384 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1385 "ina_detect_search_tm:", 1386 le32_to_cpu(general->ina_detection_search_time), 1387 accum_general->ina_detection_search_time, 1388 delta_general->ina_detection_search_time, 1389 max_general->ina_detection_search_time); 1390 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1391 "beacon_silence_rssi_a:", 1392 le32_to_cpu(general->beacon_silence_rssi_a), 1393 accum_general->beacon_silence_rssi_a, 1394 delta_general->beacon_silence_rssi_a, 1395 max_general->beacon_silence_rssi_a); 1396 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1397 "beacon_silence_rssi_b:", 1398 le32_to_cpu(general->beacon_silence_rssi_b), 1399 accum_general->beacon_silence_rssi_b, 1400 delta_general->beacon_silence_rssi_b, 1401 max_general->beacon_silence_rssi_b); 1402 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1403 "beacon_silence_rssi_c:", 1404 le32_to_cpu(general->beacon_silence_rssi_c), 1405 accum_general->beacon_silence_rssi_c, 1406 delta_general->beacon_silence_rssi_c, 1407 max_general->beacon_silence_rssi_c); 1408 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1409 "interference_data_flag:", 1410 le32_to_cpu(general->interference_data_flag), 1411 accum_general->interference_data_flag, 1412 delta_general->interference_data_flag, 1413 max_general->interference_data_flag); 1414 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1415 "channel_load:", 1416 le32_to_cpu(general->channel_load), 1417 accum_general->channel_load, 1418 delta_general->channel_load, 1419 max_general->channel_load); 1420 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1421 "dsp_false_alarms:", 1422 le32_to_cpu(general->dsp_false_alarms), 1423 accum_general->dsp_false_alarms, 1424 delta_general->dsp_false_alarms, 1425 max_general->dsp_false_alarms); 1426 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1427 "beacon_rssi_a:", 1428 le32_to_cpu(general->beacon_rssi_a), 1429 accum_general->beacon_rssi_a, 1430 delta_general->beacon_rssi_a, 1431 max_general->beacon_rssi_a); 1432 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1433 "beacon_rssi_b:", 1434 le32_to_cpu(general->beacon_rssi_b), 1435 accum_general->beacon_rssi_b, 1436 delta_general->beacon_rssi_b, 1437 max_general->beacon_rssi_b); 1438 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1439 "beacon_rssi_c:", 1440 le32_to_cpu(general->beacon_rssi_c), 1441 accum_general->beacon_rssi_c, 1442 delta_general->beacon_rssi_c, 1443 max_general->beacon_rssi_c); 1444 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1445 "beacon_energy_a:", 1446 le32_to_cpu(general->beacon_energy_a), 1447 accum_general->beacon_energy_a, 1448 delta_general->beacon_energy_a, 1449 max_general->beacon_energy_a); 1450 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1451 "beacon_energy_b:", 1452 le32_to_cpu(general->beacon_energy_b), 1453 accum_general->beacon_energy_b, 1454 delta_general->beacon_energy_b, 1455 max_general->beacon_energy_b); 1456 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1457 "beacon_energy_c:", 1458 le32_to_cpu(general->beacon_energy_c), 1459 accum_general->beacon_energy_c, 1460 delta_general->beacon_energy_c, 1461 max_general->beacon_energy_c); 1462 1463 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); 1464 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1465 "Statistics_Rx - OFDM_HT:"); 1466 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1467 "plcp_err:", 1468 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1469 delta_ht->plcp_err, max_ht->plcp_err); 1470 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1471 "overrun_err:", 1472 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1473 delta_ht->overrun_err, max_ht->overrun_err); 1474 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1475 "early_overrun_err:", 1476 le32_to_cpu(ht->early_overrun_err), 1477 accum_ht->early_overrun_err, 1478 delta_ht->early_overrun_err, 1479 max_ht->early_overrun_err); 1480 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1481 "crc32_good:", 1482 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1483 delta_ht->crc32_good, max_ht->crc32_good); 1484 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1485 "crc32_err:", 1486 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1487 delta_ht->crc32_err, max_ht->crc32_err); 1488 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1489 "mh_format_err:", 1490 le32_to_cpu(ht->mh_format_err), 1491 accum_ht->mh_format_err, 1492 delta_ht->mh_format_err, max_ht->mh_format_err); 1493 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1494 "agg_crc32_good:", 1495 le32_to_cpu(ht->agg_crc32_good), 1496 accum_ht->agg_crc32_good, 1497 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1498 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1499 "agg_mpdu_cnt:", 1500 le32_to_cpu(ht->agg_mpdu_cnt), 1501 accum_ht->agg_mpdu_cnt, 1502 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1503 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1504 "agg_cnt:", 1505 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1506 delta_ht->agg_cnt, max_ht->agg_cnt); 1507 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1508 "unsupport_mcs:", 1509 le32_to_cpu(ht->unsupport_mcs), 1510 accum_ht->unsupport_mcs, 1511 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1512 1513 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1514 kfree(buf); 1515 return ret; 1516} 1517 1518static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1519 char __user *user_buf, 1520 size_t count, loff_t *ppos) 1521{ 1522 struct iwl_priv *priv = file->private_data; 1523 int pos = 0; 1524 char *buf; 1525 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1526 ssize_t ret; 1527 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1528 1529 if (!iwl_is_alive(priv)) 1530 return -EAGAIN; 1531 1532 buf = kzalloc(bufsz, GFP_KERNEL); 1533 if (!buf) { 1534 IWL_ERR(priv, "Can not allocate Buffer\n"); 1535 return -ENOMEM; 1536 } 1537 1538 /* the statistic information display here is based on 1539 * the last statistics notification from uCode 1540 * might not reflect the current uCode activity 1541 */ 1542 tx = &priv->statistics.tx; 1543 accum_tx = &priv->accum_statistics.tx; 1544 delta_tx = &priv->delta_statistics.tx; 1545 max_tx = &priv->max_delta.tx; 1546 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1547 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1548 "Statistics_Tx:"); 1549 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1550 "preamble:", 1551 le32_to_cpu(tx->preamble_cnt), 1552 accum_tx->preamble_cnt, 1553 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1554 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1555 "rx_detected_cnt:", 1556 le32_to_cpu(tx->rx_detected_cnt), 1557 accum_tx->rx_detected_cnt, 1558 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1559 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1560 "bt_prio_defer_cnt:", 1561 le32_to_cpu(tx->bt_prio_defer_cnt), 1562 accum_tx->bt_prio_defer_cnt, 1563 delta_tx->bt_prio_defer_cnt, 1564 max_tx->bt_prio_defer_cnt); 1565 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1566 "bt_prio_kill_cnt:", 1567 le32_to_cpu(tx->bt_prio_kill_cnt), 1568 accum_tx->bt_prio_kill_cnt, 1569 delta_tx->bt_prio_kill_cnt, 1570 max_tx->bt_prio_kill_cnt); 1571 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1572 "few_bytes_cnt:", 1573 le32_to_cpu(tx->few_bytes_cnt), 1574 accum_tx->few_bytes_cnt, 1575 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1576 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1577 "cts_timeout:", 1578 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1579 delta_tx->cts_timeout, max_tx->cts_timeout); 1580 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1581 "ack_timeout:", 1582 le32_to_cpu(tx->ack_timeout), 1583 accum_tx->ack_timeout, 1584 delta_tx->ack_timeout, max_tx->ack_timeout); 1585 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1586 "expected_ack_cnt:", 1587 le32_to_cpu(tx->expected_ack_cnt), 1588 accum_tx->expected_ack_cnt, 1589 delta_tx->expected_ack_cnt, 1590 max_tx->expected_ack_cnt); 1591 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1592 "actual_ack_cnt:", 1593 le32_to_cpu(tx->actual_ack_cnt), 1594 accum_tx->actual_ack_cnt, 1595 delta_tx->actual_ack_cnt, 1596 max_tx->actual_ack_cnt); 1597 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1598 "dump_msdu_cnt:", 1599 le32_to_cpu(tx->dump_msdu_cnt), 1600 accum_tx->dump_msdu_cnt, 1601 delta_tx->dump_msdu_cnt, 1602 max_tx->dump_msdu_cnt); 1603 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1604 "abort_nxt_frame_mismatch:", 1605 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1606 accum_tx->burst_abort_next_frame_mismatch_cnt, 1607 delta_tx->burst_abort_next_frame_mismatch_cnt, 1608 max_tx->burst_abort_next_frame_mismatch_cnt); 1609 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1610 "abort_missing_nxt_frame:", 1611 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1612 accum_tx->burst_abort_missing_next_frame_cnt, 1613 delta_tx->burst_abort_missing_next_frame_cnt, 1614 max_tx->burst_abort_missing_next_frame_cnt); 1615 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1616 "cts_timeout_collision:", 1617 le32_to_cpu(tx->cts_timeout_collision), 1618 accum_tx->cts_timeout_collision, 1619 delta_tx->cts_timeout_collision, 1620 max_tx->cts_timeout_collision); 1621 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1622 "ack_ba_timeout_collision:", 1623 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1624 accum_tx->ack_or_ba_timeout_collision, 1625 delta_tx->ack_or_ba_timeout_collision, 1626 max_tx->ack_or_ba_timeout_collision); 1627 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1628 "agg ba_timeout:", 1629 le32_to_cpu(tx->agg.ba_timeout), 1630 accum_tx->agg.ba_timeout, 1631 delta_tx->agg.ba_timeout, 1632 max_tx->agg.ba_timeout); 1633 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1634 "agg ba_resched_frames:", 1635 le32_to_cpu(tx->agg.ba_reschedule_frames), 1636 accum_tx->agg.ba_reschedule_frames, 1637 delta_tx->agg.ba_reschedule_frames, 1638 max_tx->agg.ba_reschedule_frames); 1639 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1640 "agg scd_query_agg_frame:", 1641 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1642 accum_tx->agg.scd_query_agg_frame_cnt, 1643 delta_tx->agg.scd_query_agg_frame_cnt, 1644 max_tx->agg.scd_query_agg_frame_cnt); 1645 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1646 "agg scd_query_no_agg:", 1647 le32_to_cpu(tx->agg.scd_query_no_agg), 1648 accum_tx->agg.scd_query_no_agg, 1649 delta_tx->agg.scd_query_no_agg, 1650 max_tx->agg.scd_query_no_agg); 1651 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1652 "agg scd_query_agg:", 1653 le32_to_cpu(tx->agg.scd_query_agg), 1654 accum_tx->agg.scd_query_agg, 1655 delta_tx->agg.scd_query_agg, 1656 max_tx->agg.scd_query_agg); 1657 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1658 "agg scd_query_mismatch:", 1659 le32_to_cpu(tx->agg.scd_query_mismatch), 1660 accum_tx->agg.scd_query_mismatch, 1661 delta_tx->agg.scd_query_mismatch, 1662 max_tx->agg.scd_query_mismatch); 1663 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1664 "agg frame_not_ready:", 1665 le32_to_cpu(tx->agg.frame_not_ready), 1666 accum_tx->agg.frame_not_ready, 1667 delta_tx->agg.frame_not_ready, 1668 max_tx->agg.frame_not_ready); 1669 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1670 "agg underrun:", 1671 le32_to_cpu(tx->agg.underrun), 1672 accum_tx->agg.underrun, 1673 delta_tx->agg.underrun, max_tx->agg.underrun); 1674 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1675 "agg bt_prio_kill:", 1676 le32_to_cpu(tx->agg.bt_prio_kill), 1677 accum_tx->agg.bt_prio_kill, 1678 delta_tx->agg.bt_prio_kill, 1679 max_tx->agg.bt_prio_kill); 1680 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1681 "agg rx_ba_rsp_cnt:", 1682 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1683 accum_tx->agg.rx_ba_rsp_cnt, 1684 delta_tx->agg.rx_ba_rsp_cnt, 1685 max_tx->agg.rx_ba_rsp_cnt); 1686 1687 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1688 kfree(buf); 1689 return ret; 1690} 1691 1692static ssize_t iwl_dbgfs_ucode_general_stats_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 char *buf; 1699 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1700 ssize_t ret; 1701 struct statistics_general *general, *accum_general; 1702 struct statistics_general *delta_general, *max_general; 1703 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1704 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1705 1706 if (!iwl_is_alive(priv)) 1707 return -EAGAIN; 1708 1709 buf = kzalloc(bufsz, GFP_KERNEL); 1710 if (!buf) { 1711 IWL_ERR(priv, "Can not allocate Buffer\n"); 1712 return -ENOMEM; 1713 } 1714 1715 /* the statistic information display here is based on 1716 * the last statistics notification from uCode 1717 * might not reflect the current uCode activity 1718 */ 1719 general = &priv->statistics.general; 1720 dbg = &priv->statistics.general.dbg; 1721 div = &priv->statistics.general.div; 1722 accum_general = &priv->accum_statistics.general; 1723 delta_general = &priv->delta_statistics.general; 1724 max_general = &priv->max_delta.general; 1725 accum_dbg = &priv->accum_statistics.general.dbg; 1726 delta_dbg = &priv->delta_statistics.general.dbg; 1727 max_dbg = &priv->max_delta.general.dbg; 1728 accum_div = &priv->accum_statistics.general.div; 1729 delta_div = &priv->delta_statistics.general.div; 1730 max_div = &priv->max_delta.general.div; 1731 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1732 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1733 "Statistics_General:"); 1734 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, 1735 "temperature:", 1736 le32_to_cpu(general->temperature)); 1737 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, 1738 "temperature_m:", 1739 le32_to_cpu(general->temperature_m)); 1740 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1741 "burst_check:", 1742 le32_to_cpu(dbg->burst_check), 1743 accum_dbg->burst_check, 1744 delta_dbg->burst_check, max_dbg->burst_check); 1745 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1746 "burst_count:", 1747 le32_to_cpu(dbg->burst_count), 1748 accum_dbg->burst_count, 1749 delta_dbg->burst_count, max_dbg->burst_count); 1750 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1751 "sleep_time:", 1752 le32_to_cpu(general->sleep_time), 1753 accum_general->sleep_time, 1754 delta_general->sleep_time, max_general->sleep_time); 1755 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1756 "slots_out:", 1757 le32_to_cpu(general->slots_out), 1758 accum_general->slots_out, 1759 delta_general->slots_out, max_general->slots_out); 1760 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1761 "slots_idle:", 1762 le32_to_cpu(general->slots_idle), 1763 accum_general->slots_idle, 1764 delta_general->slots_idle, max_general->slots_idle); 1765 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", 1766 le32_to_cpu(general->ttl_timestamp)); 1767 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1768 "tx_on_a:", 1769 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1770 delta_div->tx_on_a, max_div->tx_on_a); 1771 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1772 "tx_on_b:", 1773 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1774 delta_div->tx_on_b, max_div->tx_on_b); 1775 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1776 "exec_time:", 1777 le32_to_cpu(div->exec_time), accum_div->exec_time, 1778 delta_div->exec_time, max_div->exec_time); 1779 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1780 "probe_time:", 1781 le32_to_cpu(div->probe_time), accum_div->probe_time, 1782 delta_div->probe_time, max_div->probe_time); 1783 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1784 "rx_enable_counter:", 1785 le32_to_cpu(general->rx_enable_counter), 1786 accum_general->rx_enable_counter, 1787 delta_general->rx_enable_counter, 1788 max_general->rx_enable_counter); 1789 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1790 "num_of_sos_states:", 1791 le32_to_cpu(general->num_of_sos_states), 1792 accum_general->num_of_sos_states, 1793 delta_general->num_of_sos_states, 1794 max_general->num_of_sos_states); 1795 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1796 kfree(buf); 1797 return ret; 1798} 1799 1800static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1801 char __user *user_buf, 1802 size_t count, loff_t *ppos) { 1803 1804 struct iwl_priv *priv = file->private_data; 1805 int pos = 0; 1806 int cnt = 0; 1807 char *buf; 1808 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1809 ssize_t ret; 1810 struct iwl_sensitivity_data *data; 1811 1812 data = &priv->sensitivity_data; 1813 buf = kzalloc(bufsz, GFP_KERNEL); 1814 if (!buf) { 1815 IWL_ERR(priv, "Can not allocate Buffer\n"); 1816 return -ENOMEM; 1817 } 1818 1819 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1820 data->auto_corr_ofdm); 1821 pos += scnprintf(buf + pos, bufsz - pos, 1822 "auto_corr_ofdm_mrc:\t\t %u\n", 1823 data->auto_corr_ofdm_mrc); 1824 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1825 data->auto_corr_ofdm_x1); 1826 pos += scnprintf(buf + pos, bufsz - pos, 1827 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1828 data->auto_corr_ofdm_mrc_x1); 1829 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1830 data->auto_corr_cck); 1831 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1832 data->auto_corr_cck_mrc); 1833 pos += scnprintf(buf + pos, bufsz - pos, 1834 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1835 data->last_bad_plcp_cnt_ofdm); 1836 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1837 data->last_fa_cnt_ofdm); 1838 pos += scnprintf(buf + pos, bufsz - pos, 1839 "last_bad_plcp_cnt_cck:\t\t %u\n", 1840 data->last_bad_plcp_cnt_cck); 1841 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1842 data->last_fa_cnt_cck); 1843 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1844 data->nrg_curr_state); 1845 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1846 data->nrg_prev_state); 1847 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1848 for (cnt = 0; cnt < 10; cnt++) { 1849 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1850 data->nrg_value[cnt]); 1851 } 1852 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1853 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1854 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1855 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1856 data->nrg_silence_rssi[cnt]); 1857 } 1858 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1859 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1860 data->nrg_silence_ref); 1861 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1862 data->nrg_energy_idx); 1863 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1864 data->nrg_silence_idx); 1865 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1866 data->nrg_th_cck); 1867 pos += scnprintf(buf + pos, bufsz - pos, 1868 "nrg_auto_corr_silence_diff:\t %u\n", 1869 data->nrg_auto_corr_silence_diff); 1870 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1871 data->num_in_cck_no_fa); 1872 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1873 data->nrg_th_ofdm); 1874 1875 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1876 kfree(buf); 1877 return ret; 1878} 1879 1880 1881static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1882 char __user *user_buf, 1883 size_t count, loff_t *ppos) { 1884 1885 struct iwl_priv *priv = file->private_data; 1886 int pos = 0; 1887 int cnt = 0; 1888 char *buf; 1889 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1890 ssize_t ret; 1891 struct iwl_chain_noise_data *data; 1892 1893 data = &priv->chain_noise_data; 1894 buf = kzalloc(bufsz, GFP_KERNEL); 1895 if (!buf) { 1896 IWL_ERR(priv, "Can not allocate Buffer\n"); 1897 return -ENOMEM; 1898 } 1899 1900 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1901 data->active_chains); 1902 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1903 data->chain_noise_a); 1904 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1905 data->chain_noise_b); 1906 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1907 data->chain_noise_c); 1908 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1909 data->chain_signal_a); 1910 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1911 data->chain_signal_b); 1912 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1913 data->chain_signal_c); 1914 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1915 data->beacon_count); 1916 1917 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1918 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1919 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1920 data->disconn_array[cnt]); 1921 } 1922 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1923 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1924 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1925 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1926 data->delta_gain_code[cnt]); 1927 } 1928 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1929 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1930 data->radio_write); 1931 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1932 data->state); 1933 1934 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1935 kfree(buf); 1936 return ret; 1937} 1938 1939static ssize_t iwl_dbgfs_tx_power_read(struct file *file, 1940 char __user *user_buf, 1941 size_t count, loff_t *ppos) { 1942 1943 struct iwl_priv *priv = file->private_data; 1944 char buf[128]; 1945 int pos = 0; 1946 const size_t bufsz = sizeof(buf); 1947 struct statistics_tx *tx; 1948 1949 if (!iwl_is_alive(priv)) 1950 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1951 else { 1952 tx = &priv->statistics.tx; 1953 if (tx->tx_power.ant_a || 1954 tx->tx_power.ant_b || 1955 tx->tx_power.ant_c) { 1956 pos += scnprintf(buf + pos, bufsz - pos, 1957 "tx power: (1/2 dB step)\n"); 1958 if ((priv->cfg->valid_tx_ant & ANT_A) && 1959 tx->tx_power.ant_a) 1960 pos += scnprintf(buf + pos, bufsz - pos, 1961 "\tantenna A: 0x%X\n", 1962 tx->tx_power.ant_a); 1963 if ((priv->cfg->valid_tx_ant & ANT_B) && 1964 tx->tx_power.ant_b) 1965 pos += scnprintf(buf + pos, bufsz - pos, 1966 "\tantenna B: 0x%X\n", 1967 tx->tx_power.ant_b); 1968 if ((priv->cfg->valid_tx_ant & ANT_C) && 1969 tx->tx_power.ant_c) 1970 pos += scnprintf(buf + pos, bufsz - pos, 1971 "\tantenna C: 0x%X\n", 1972 tx->tx_power.ant_c); 1973 } else 1974 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1975 } 1976 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1977} 1978 1979static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1980 char __user *user_buf, 1981 size_t count, loff_t *ppos) 1982{ 1983 struct iwl_priv *priv = file->private_data; 1984 char buf[60]; 1985 int pos = 0; 1986 const size_t bufsz = sizeof(buf); 1987 u32 pwrsave_status; 1988 1989 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & 1990 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1991 1992 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1993 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1994 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1995 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1996 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1997 "error"); 1998 1999 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2000} 2001 2002static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 2003 const char __user *user_buf, 2004 size_t count, loff_t *ppos) 2005{ 2006 struct iwl_priv *priv = file->private_data; 2007 char buf[8]; 2008 int buf_size; 2009 int clear; 2010 2011 memset(buf, 0, sizeof(buf)); 2012 buf_size = min(count, sizeof(buf) - 1); 2013 if (copy_from_user(buf, user_buf, buf_size)) 2014 return -EFAULT; 2015 if (sscanf(buf, "%d", &clear) != 1) 2016 return -EFAULT; 2017 2018 /* make request to uCode to retrieve statistics information */ 2019 mutex_lock(&priv->mutex); 2020 iwl_send_statistics_request(priv, CMD_SYNC, true); 2021 mutex_unlock(&priv->mutex); 2022 2023 return count; 2024} 2025 2026static ssize_t iwl_dbgfs_csr_write(struct file *file, 2027 const char __user *user_buf, 2028 size_t count, loff_t *ppos) 2029{ 2030 struct iwl_priv *priv = file->private_data; 2031 char buf[8]; 2032 int buf_size; 2033 int csr; 2034 2035 memset(buf, 0, sizeof(buf)); 2036 buf_size = min(count, sizeof(buf) - 1); 2037 if (copy_from_user(buf, user_buf, buf_size)) 2038 return -EFAULT; 2039 if (sscanf(buf, "%d", &csr) != 1) 2040 return -EFAULT; 2041 2042 if (priv->cfg->ops->lib->dump_csr) 2043 priv->cfg->ops->lib->dump_csr(priv); 2044 2045 return count; 2046} 2047 2048static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 2049 char __user *user_buf, 2050 size_t count, loff_t *ppos) { 2051 2052 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2053 int pos = 0; 2054 char buf[128]; 2055 const size_t bufsz = sizeof(buf); 2056 ssize_t ret; 2057 2058 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 2059 priv->event_log.ucode_trace ? "On" : "Off"); 2060 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 2061 priv->event_log.non_wraps_count); 2062 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 2063 priv->event_log.wraps_once_count); 2064 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 2065 priv->event_log.wraps_more_count); 2066 2067 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2068 return ret; 2069} 2070 2071static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 2072 const char __user *user_buf, 2073 size_t count, loff_t *ppos) 2074{ 2075 struct iwl_priv *priv = file->private_data; 2076 char buf[8]; 2077 int buf_size; 2078 int trace; 2079 2080 memset(buf, 0, sizeof(buf)); 2081 buf_size = min(count, sizeof(buf) - 1); 2082 if (copy_from_user(buf, user_buf, buf_size)) 2083 return -EFAULT; 2084 if (sscanf(buf, "%d", &trace) != 1) 2085 return -EFAULT; 2086 2087 if (trace) { 2088 priv->event_log.ucode_trace = true; 2089 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ 2090 mod_timer(&priv->ucode_trace, 2091 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); 2092 } else { 2093 priv->event_log.ucode_trace = false; 2094 del_timer_sync(&priv->ucode_trace); 2095 } 2096 2097 return count; 2098} 2099 2100static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, 2101 char __user *user_buf, 2102 size_t count, loff_t *ppos) 2103{ 2104 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2105 char *buf; 2106 int pos = 0; 2107 ssize_t ret = -EFAULT; 2108 2109 if (priv->cfg->ops->lib->dump_fh) { 2110 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true); 2111 if (buf) { 2112 ret = simple_read_from_buffer(user_buf, 2113 count, ppos, buf, pos); 2114 kfree(buf); 2115 } 2116 } 2117 2118 return ret; 2119} 2120 2121static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 2122 char __user *user_buf, 2123 size_t count, loff_t *ppos) { 2124 2125 struct iwl_priv *priv = file->private_data; 2126 int pos = 0; 2127 char buf[12]; 2128 const size_t bufsz = sizeof(buf); 2129 ssize_t ret; 2130 2131 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 2132 priv->missed_beacon_threshold); 2133 2134 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2135 return ret; 2136} 2137 2138static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 2139 const char __user *user_buf, 2140 size_t count, loff_t *ppos) 2141{ 2142 struct iwl_priv *priv = file->private_data; 2143 char buf[8]; 2144 int buf_size; 2145 int missed; 2146 2147 memset(buf, 0, sizeof(buf)); 2148 buf_size = min(count, sizeof(buf) - 1); 2149 if (copy_from_user(buf, user_buf, buf_size)) 2150 return -EFAULT; 2151 if (sscanf(buf, "%d", &missed) != 1) 2152 return -EINVAL; 2153 2154 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 2155 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 2156 priv->missed_beacon_threshold = 2157 IWL_MISSED_BEACON_THRESHOLD_DEF; 2158 else 2159 priv->missed_beacon_threshold = missed; 2160 2161 return count; 2162} 2163 2164static ssize_t iwl_dbgfs_internal_scan_write(struct file *file, 2165 const char __user *user_buf, 2166 size_t count, loff_t *ppos) 2167{ 2168 struct iwl_priv *priv = file->private_data; 2169 char buf[8]; 2170 int buf_size; 2171 int scan; 2172 2173 memset(buf, 0, sizeof(buf)); 2174 buf_size = min(count, sizeof(buf) - 1); 2175 if (copy_from_user(buf, user_buf, buf_size)) 2176 return -EFAULT; 2177 if (sscanf(buf, "%d", &scan) != 1) 2178 return -EINVAL; 2179 2180 iwl_internal_short_hw_scan(priv); 2181 2182 return count; 2183} 2184 2185static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 2186 char __user *user_buf, 2187 size_t count, loff_t *ppos) { 2188 2189 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2190 int pos = 0; 2191 char buf[12]; 2192 const size_t bufsz = sizeof(buf); 2193 ssize_t ret; 2194 2195 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2196 priv->cfg->plcp_delta_threshold); 2197 2198 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2199 return ret; 2200} 2201 2202static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2203 const char __user *user_buf, 2204 size_t count, loff_t *ppos) { 2205 2206 struct iwl_priv *priv = file->private_data; 2207 char buf[8]; 2208 int buf_size; 2209 int plcp; 2210 2211 memset(buf, 0, sizeof(buf)); 2212 buf_size = min(count, sizeof(buf) - 1); 2213 if (copy_from_user(buf, user_buf, buf_size)) 2214 return -EFAULT; 2215 if (sscanf(buf, "%d", &plcp) != 1) 2216 return -EINVAL; 2217 if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2218 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2219 priv->cfg->plcp_delta_threshold = 2220 IWL_MAX_PLCP_ERR_THRESHOLD_DEF; 2221 else 2222 priv->cfg->plcp_delta_threshold = plcp; 2223 return count; 2224} 2225 2226DEBUGFS_READ_FILE_OPS(rx_statistics); 2227DEBUGFS_READ_FILE_OPS(tx_statistics); 2228DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 2229DEBUGFS_READ_FILE_OPS(rx_queue); 2230DEBUGFS_READ_FILE_OPS(tx_queue); 2231DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2232DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2233DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2234DEBUGFS_READ_FILE_OPS(sensitivity); 2235DEBUGFS_READ_FILE_OPS(chain_noise); 2236DEBUGFS_READ_FILE_OPS(tx_power); 2237DEBUGFS_READ_FILE_OPS(power_save_status); 2238DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2239DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 2240DEBUGFS_WRITE_FILE_OPS(csr); 2241DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2242DEBUGFS_READ_FILE_OPS(fh_reg); 2243DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2244DEBUGFS_WRITE_FILE_OPS(internal_scan); 2245DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2246 2247/* 2248 * Create the debugfs files and directories 2249 * 2250 */ 2251int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 2252{ 2253 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 2254 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; 2255 2256 dir_drv = debugfs_create_dir(name, phyd); 2257 if (!dir_drv) 2258 return -ENOMEM; 2259 2260 priv->debugfs_dir = dir_drv; 2261 2262 dir_data = debugfs_create_dir("data", dir_drv); 2263 if (!dir_data) 2264 goto err; 2265 dir_rf = debugfs_create_dir("rf", dir_drv); 2266 if (!dir_rf) 2267 goto err; 2268 dir_debug = debugfs_create_dir("debug", dir_drv); 2269 if (!dir_debug) 2270 goto err; 2271 2272 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2273 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2274 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); 2275 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2276 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2277 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2278 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); 2279 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2280 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR); 2281 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2282 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2283 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2284 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2285 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); 2286 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); 2287 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); 2288 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); 2289 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); 2290 DEBUGFS_ADD_FILE(tx_power, dir_debug, S_IRUSR); 2291 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2292 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2293 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); 2294 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR); 2295 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); 2296 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2297 DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR); 2298 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2299 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 2300 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2301 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2302 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2303 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2304 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2305 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2306 } 2307 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal); 2308 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, 2309 &priv->disable_chain_noise_cal); 2310 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 2311 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 2312 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, 2313 &priv->disable_tx_power_cal); 2314 return 0; 2315 2316err: 2317 IWL_ERR(priv, "Can't create the debugfs directory\n"); 2318 iwl_dbgfs_unregister(priv); 2319 return -ENOMEM; 2320} 2321EXPORT_SYMBOL(iwl_dbgfs_register); 2322 2323/** 2324 * Remove the debugfs files and directories 2325 * 2326 */ 2327void iwl_dbgfs_unregister(struct iwl_priv *priv) 2328{ 2329 if (!priv->debugfs_dir) 2330 return; 2331 2332 debugfs_remove_recursive(priv->debugfs_dir); 2333 priv->debugfs_dir = NULL; 2334} 2335EXPORT_SYMBOL(iwl_dbgfs_unregister); 2336 2337 2338 2339