iwl-debugfs.c revision 5a0e3ad6af8660be21ca98a971cd00f331318c05
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/slab.h> 30#include <linux/kernel.h> 31#include <linux/module.h> 32#include <linux/debugfs.h> 33 34#include <linux/ieee80211.h> 35#include <net/mac80211.h> 36 37 38#include "iwl-dev.h" 39#include "iwl-debug.h" 40#include "iwl-core.h" 41#include "iwl-io.h" 42#include "iwl-calib.h" 43 44/* create and remove of files */ 45#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ 46 if (!debugfs_create_file(#name, mode, parent, priv, \ 47 &iwl_dbgfs_##name##_ops)) \ 48 goto err; \ 49} while (0) 50 51#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ 52 struct dentry *__tmp; \ 53 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ 54 parent, ptr); \ 55 if (IS_ERR(__tmp) || !__tmp) \ 56 goto err; \ 57} while (0) 58 59#define DEBUGFS_ADD_X32(name, parent, ptr) do { \ 60 struct dentry *__tmp; \ 61 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ 62 parent, ptr); \ 63 if (IS_ERR(__tmp) || !__tmp) \ 64 goto err; \ 65} while (0) 66 67/* file operation */ 68#define DEBUGFS_READ_FUNC(name) \ 69static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ 70 char __user *user_buf, \ 71 size_t count, loff_t *ppos); 72 73#define DEBUGFS_WRITE_FUNC(name) \ 74static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ 75 const char __user *user_buf, \ 76 size_t count, loff_t *ppos); 77 78 79static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) 80{ 81 file->private_data = inode->i_private; 82 return 0; 83} 84 85#define DEBUGFS_READ_FILE_OPS(name) \ 86 DEBUGFS_READ_FUNC(name); \ 87static const struct file_operations iwl_dbgfs_##name##_ops = { \ 88 .read = iwl_dbgfs_##name##_read, \ 89 .open = iwl_dbgfs_open_file_generic, \ 90}; 91 92#define DEBUGFS_WRITE_FILE_OPS(name) \ 93 DEBUGFS_WRITE_FUNC(name); \ 94static const struct file_operations iwl_dbgfs_##name##_ops = { \ 95 .write = iwl_dbgfs_##name##_write, \ 96 .open = iwl_dbgfs_open_file_generic, \ 97}; 98 99 100#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ 101 DEBUGFS_READ_FUNC(name); \ 102 DEBUGFS_WRITE_FUNC(name); \ 103static const struct file_operations iwl_dbgfs_##name##_ops = { \ 104 .write = iwl_dbgfs_##name##_write, \ 105 .read = iwl_dbgfs_##name##_read, \ 106 .open = iwl_dbgfs_open_file_generic, \ 107}; 108 109 110static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, 111 char __user *user_buf, 112 size_t count, loff_t *ppos) { 113 114 struct iwl_priv *priv = file->private_data; 115 char *buf; 116 int pos = 0; 117 118 int cnt; 119 ssize_t ret; 120 const size_t bufsz = 100 + 121 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 122 buf = kzalloc(bufsz, GFP_KERNEL); 123 if (!buf) 124 return -ENOMEM; 125 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 126 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 127 pos += scnprintf(buf + pos, bufsz - pos, 128 "\t%25s\t\t: %u\n", 129 get_mgmt_string(cnt), 130 priv->tx_stats.mgmt[cnt]); 131 } 132 pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); 133 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 134 pos += scnprintf(buf + pos, bufsz - pos, 135 "\t%25s\t\t: %u\n", 136 get_ctrl_string(cnt), 137 priv->tx_stats.ctrl[cnt]); 138 } 139 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 140 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 141 priv->tx_stats.data_cnt); 142 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 143 priv->tx_stats.data_bytes); 144 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 145 kfree(buf); 146 return ret; 147} 148 149static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, 150 const char __user *user_buf, 151 size_t count, loff_t *ppos) 152{ 153 struct iwl_priv *priv = file->private_data; 154 u32 clear_flag; 155 char buf[8]; 156 int buf_size; 157 158 memset(buf, 0, sizeof(buf)); 159 buf_size = min(count, sizeof(buf) - 1); 160 if (copy_from_user(buf, user_buf, buf_size)) 161 return -EFAULT; 162 if (sscanf(buf, "%x", &clear_flag) != 1) 163 return -EFAULT; 164 iwl_clear_traffic_stats(priv); 165 166 return count; 167} 168 169static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, 170 char __user *user_buf, 171 size_t count, loff_t *ppos) { 172 173 struct iwl_priv *priv = file->private_data; 174 char *buf; 175 int pos = 0; 176 int cnt; 177 ssize_t ret; 178 const size_t bufsz = 100 + 179 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); 180 buf = kzalloc(bufsz, GFP_KERNEL); 181 if (!buf) 182 return -ENOMEM; 183 184 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); 185 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { 186 pos += scnprintf(buf + pos, bufsz - pos, 187 "\t%25s\t\t: %u\n", 188 get_mgmt_string(cnt), 189 priv->rx_stats.mgmt[cnt]); 190 } 191 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); 192 for (cnt = 0; cnt < CONTROL_MAX; cnt++) { 193 pos += scnprintf(buf + pos, bufsz - pos, 194 "\t%25s\t\t: %u\n", 195 get_ctrl_string(cnt), 196 priv->rx_stats.ctrl[cnt]); 197 } 198 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); 199 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", 200 priv->rx_stats.data_cnt); 201 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", 202 priv->rx_stats.data_bytes); 203 204 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 205 kfree(buf); 206 return ret; 207} 208 209#define BYTE1_MASK 0x000000ff; 210#define BYTE2_MASK 0x0000ffff; 211#define BYTE3_MASK 0x00ffffff; 212static ssize_t iwl_dbgfs_sram_read(struct file *file, 213 char __user *user_buf, 214 size_t count, loff_t *ppos) 215{ 216 u32 val; 217 char *buf; 218 ssize_t ret; 219 int i; 220 int pos = 0; 221 struct iwl_priv *priv = file->private_data; 222 size_t bufsz; 223 224 /* default is to dump the entire data segment */ 225 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { 226 priv->dbgfs_sram_offset = 0x800000; 227 if (priv->ucode_type == UCODE_INIT) 228 priv->dbgfs_sram_len = priv->ucode_init_data.len; 229 else 230 priv->dbgfs_sram_len = priv->ucode_data.len; 231 } 232 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10; 233 buf = kmalloc(bufsz, GFP_KERNEL); 234 if (!buf) 235 return -ENOMEM; 236 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", 237 priv->dbgfs_sram_len); 238 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", 239 priv->dbgfs_sram_offset); 240 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) { 241 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \ 242 priv->dbgfs_sram_len - i); 243 if (i < 4) { 244 switch (i) { 245 case 1: 246 val &= BYTE1_MASK; 247 break; 248 case 2: 249 val &= BYTE2_MASK; 250 break; 251 case 3: 252 val &= BYTE3_MASK; 253 break; 254 } 255 } 256 if (!(i % 16)) 257 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 258 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); 259 } 260 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 261 262 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 263 kfree(buf); 264 return ret; 265} 266 267static ssize_t iwl_dbgfs_sram_write(struct file *file, 268 const char __user *user_buf, 269 size_t count, loff_t *ppos) 270{ 271 struct iwl_priv *priv = file->private_data; 272 char buf[64]; 273 int buf_size; 274 u32 offset, len; 275 276 memset(buf, 0, sizeof(buf)); 277 buf_size = min(count, sizeof(buf) - 1); 278 if (copy_from_user(buf, user_buf, buf_size)) 279 return -EFAULT; 280 281 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 282 priv->dbgfs_sram_offset = offset; 283 priv->dbgfs_sram_len = len; 284 } else { 285 priv->dbgfs_sram_offset = 0; 286 priv->dbgfs_sram_len = 0; 287 } 288 289 return count; 290} 291 292static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 293 size_t count, loff_t *ppos) 294{ 295 struct iwl_priv *priv = file->private_data; 296 struct iwl_station_entry *station; 297 int max_sta = priv->hw_params.max_stations; 298 char *buf; 299 int i, j, pos = 0; 300 ssize_t ret; 301 /* Add 30 for initial string */ 302 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); 303 304 buf = kmalloc(bufsz, GFP_KERNEL); 305 if (!buf) 306 return -ENOMEM; 307 308 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", 309 priv->num_stations); 310 311 for (i = 0; i < max_sta; i++) { 312 station = &priv->stations[i]; 313 if (station->used) { 314 pos += scnprintf(buf + pos, bufsz - pos, 315 "station %d:\ngeneral data:\n", i+1); 316 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", 317 station->sta.sta.sta_id); 318 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", 319 station->sta.mode); 320 pos += scnprintf(buf + pos, bufsz - pos, 321 "flags: 0x%x\n", 322 station->sta.station_flags_msk); 323 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); 324 pos += scnprintf(buf + pos, bufsz - pos, 325 "seq_num\t\ttxq_id"); 326 pos += scnprintf(buf + pos, bufsz - pos, 327 "\tframe_count\twait_for_ba\t"); 328 pos += scnprintf(buf + pos, bufsz - pos, 329 "start_idx\tbitmap0\t"); 330 pos += scnprintf(buf + pos, bufsz - pos, 331 "bitmap1\trate_n_flags"); 332 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 333 334 for (j = 0; j < MAX_TID_COUNT; j++) { 335 pos += scnprintf(buf + pos, bufsz - pos, 336 "[%d]:\t\t%u", j, 337 station->tid[j].seq_number); 338 pos += scnprintf(buf + pos, bufsz - pos, 339 "\t%u\t\t%u\t\t%u\t\t", 340 station->tid[j].agg.txq_id, 341 station->tid[j].agg.frame_count, 342 station->tid[j].agg.wait_for_ba); 343 pos += scnprintf(buf + pos, bufsz - pos, 344 "%u\t%llu\t%u", 345 station->tid[j].agg.start_idx, 346 (unsigned long long)station->tid[j].agg.bitmap, 347 station->tid[j].agg.rate_n_flags); 348 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 349 } 350 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 351 } 352 } 353 354 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 355 kfree(buf); 356 return ret; 357} 358 359static ssize_t iwl_dbgfs_nvm_read(struct file *file, 360 char __user *user_buf, 361 size_t count, 362 loff_t *ppos) 363{ 364 ssize_t ret; 365 struct iwl_priv *priv = file->private_data; 366 int pos = 0, ofs = 0, buf_size = 0; 367 const u8 *ptr; 368 char *buf; 369 u16 eeprom_ver; 370 size_t eeprom_len = priv->cfg->eeprom_size; 371 buf_size = 4 * eeprom_len + 256; 372 373 if (eeprom_len % 16) { 374 IWL_ERR(priv, "NVM size is not multiple of 16.\n"); 375 return -ENODATA; 376 } 377 378 ptr = priv->eeprom; 379 if (!ptr) { 380 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); 381 return -ENOMEM; 382 } 383 384 /* 4 characters for byte 0xYY */ 385 buf = kzalloc(buf_size, GFP_KERNEL); 386 if (!buf) { 387 IWL_ERR(priv, "Can not allocate Buffer\n"); 388 return -ENOMEM; 389 } 390 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); 391 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " 392 "version: 0x%x\n", 393 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) 394 ? "OTP" : "EEPROM", eeprom_ver); 395 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { 396 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); 397 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, 398 buf_size - pos, 0); 399 pos += strlen(buf + pos); 400 if (buf_size - pos > 0) 401 buf[pos++] = '\n'; 402 } 403 404 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 405 kfree(buf); 406 return ret; 407} 408 409static ssize_t iwl_dbgfs_log_event_read(struct file *file, 410 char __user *user_buf, 411 size_t count, loff_t *ppos) 412{ 413 struct iwl_priv *priv = file->private_data; 414 char *buf; 415 int pos = 0; 416 ssize_t ret = -ENOMEM; 417 418 ret = pos = priv->cfg->ops->lib->dump_nic_event_log( 419 priv, true, &buf, true); 420 if (buf) { 421 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 422 kfree(buf); 423 } 424 return ret; 425} 426 427static ssize_t iwl_dbgfs_log_event_write(struct file *file, 428 const char __user *user_buf, 429 size_t count, loff_t *ppos) 430{ 431 struct iwl_priv *priv = file->private_data; 432 u32 event_log_flag; 433 char buf[8]; 434 int buf_size; 435 436 memset(buf, 0, sizeof(buf)); 437 buf_size = min(count, sizeof(buf) - 1); 438 if (copy_from_user(buf, user_buf, buf_size)) 439 return -EFAULT; 440 if (sscanf(buf, "%d", &event_log_flag) != 1) 441 return -EFAULT; 442 if (event_log_flag == 1) 443 priv->cfg->ops->lib->dump_nic_event_log(priv, true, 444 NULL, false); 445 446 return count; 447} 448 449 450 451static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, 452 size_t count, loff_t *ppos) 453{ 454 struct iwl_priv *priv = file->private_data; 455 struct ieee80211_channel *channels = NULL; 456 const struct ieee80211_supported_band *supp_band = NULL; 457 int pos = 0, i, bufsz = PAGE_SIZE; 458 char *buf; 459 ssize_t ret; 460 461 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) 462 return -EAGAIN; 463 464 buf = kzalloc(bufsz, GFP_KERNEL); 465 if (!buf) { 466 IWL_ERR(priv, "Can not allocate Buffer\n"); 467 return -ENOMEM; 468 } 469 470 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); 471 if (supp_band) { 472 channels = supp_band->channels; 473 474 pos += scnprintf(buf + pos, bufsz - pos, 475 "Displaying %d channels in 2.4GHz band 802.11bg):\n", 476 supp_band->n_channels); 477 478 for (i = 0; i < supp_band->n_channels; i++) 479 pos += scnprintf(buf + pos, bufsz - pos, 480 "%d: %ddBm: BSS%s%s, %s.\n", 481 ieee80211_frequency_to_channel( 482 channels[i].center_freq), 483 channels[i].max_power, 484 channels[i].flags & IEEE80211_CHAN_RADAR ? 485 " (IEEE 802.11h required)" : "", 486 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 487 || (channels[i].flags & 488 IEEE80211_CHAN_RADAR)) ? "" : 489 ", IBSS", 490 channels[i].flags & 491 IEEE80211_CHAN_PASSIVE_SCAN ? 492 "passive only" : "active/passive"); 493 } 494 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); 495 if (supp_band) { 496 channels = supp_band->channels; 497 498 pos += scnprintf(buf + pos, bufsz - pos, 499 "Displaying %d channels in 5.2GHz band (802.11a)\n", 500 supp_band->n_channels); 501 502 for (i = 0; i < supp_band->n_channels; i++) 503 pos += scnprintf(buf + pos, bufsz - pos, 504 "%d: %ddBm: BSS%s%s, %s.\n", 505 ieee80211_frequency_to_channel( 506 channels[i].center_freq), 507 channels[i].max_power, 508 channels[i].flags & IEEE80211_CHAN_RADAR ? 509 " (IEEE 802.11h required)" : "", 510 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) 511 || (channels[i].flags & 512 IEEE80211_CHAN_RADAR)) ? "" : 513 ", IBSS", 514 channels[i].flags & 515 IEEE80211_CHAN_PASSIVE_SCAN ? 516 "passive only" : "active/passive"); 517 } 518 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 519 kfree(buf); 520 return ret; 521} 522 523static ssize_t iwl_dbgfs_status_read(struct file *file, 524 char __user *user_buf, 525 size_t count, loff_t *ppos) { 526 527 struct iwl_priv *priv = file->private_data; 528 char buf[512]; 529 int pos = 0; 530 const size_t bufsz = sizeof(buf); 531 532 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", 533 test_bit(STATUS_HCMD_ACTIVE, &priv->status)); 534 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", 535 test_bit(STATUS_INT_ENABLED, &priv->status)); 536 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", 537 test_bit(STATUS_RF_KILL_HW, &priv->status)); 538 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", 539 test_bit(STATUS_CT_KILL, &priv->status)); 540 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", 541 test_bit(STATUS_INIT, &priv->status)); 542 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", 543 test_bit(STATUS_ALIVE, &priv->status)); 544 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", 545 test_bit(STATUS_READY, &priv->status)); 546 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", 547 test_bit(STATUS_TEMPERATURE, &priv->status)); 548 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", 549 test_bit(STATUS_GEO_CONFIGURED, &priv->status)); 550 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", 551 test_bit(STATUS_EXIT_PENDING, &priv->status)); 552 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", 553 test_bit(STATUS_STATISTICS, &priv->status)); 554 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", 555 test_bit(STATUS_SCANNING, &priv->status)); 556 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", 557 test_bit(STATUS_SCAN_ABORTING, &priv->status)); 558 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", 559 test_bit(STATUS_SCAN_HW, &priv->status)); 560 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", 561 test_bit(STATUS_POWER_PMI, &priv->status)); 562 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", 563 test_bit(STATUS_FW_ERROR, &priv->status)); 564 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", 565 test_bit(STATUS_MODE_PENDING, &priv->status)); 566 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 567} 568 569static ssize_t iwl_dbgfs_interrupt_read(struct file *file, 570 char __user *user_buf, 571 size_t count, loff_t *ppos) { 572 573 struct iwl_priv *priv = file->private_data; 574 int pos = 0; 575 int cnt = 0; 576 char *buf; 577 int bufsz = 24 * 64; /* 24 items * 64 char per item */ 578 ssize_t ret; 579 580 buf = kzalloc(bufsz, GFP_KERNEL); 581 if (!buf) { 582 IWL_ERR(priv, "Can not allocate Buffer\n"); 583 return -ENOMEM; 584 } 585 586 pos += scnprintf(buf + pos, bufsz - pos, 587 "Interrupt Statistics Report:\n"); 588 589 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", 590 priv->isr_stats.hw); 591 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", 592 priv->isr_stats.sw); 593 if (priv->isr_stats.sw > 0) { 594 pos += scnprintf(buf + pos, bufsz - pos, 595 "\tLast Restarting Code: 0x%X\n", 596 priv->isr_stats.sw_err); 597 } 598#ifdef CONFIG_IWLWIFI_DEBUG 599 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", 600 priv->isr_stats.sch); 601 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", 602 priv->isr_stats.alive); 603#endif 604 pos += scnprintf(buf + pos, bufsz - pos, 605 "HW RF KILL switch toggled:\t %u\n", 606 priv->isr_stats.rfkill); 607 608 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", 609 priv->isr_stats.ctkill); 610 611 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", 612 priv->isr_stats.wakeup); 613 614 pos += scnprintf(buf + pos, bufsz - pos, 615 "Rx command responses:\t\t %u\n", 616 priv->isr_stats.rx); 617 for (cnt = 0; cnt < REPLY_MAX; cnt++) { 618 if (priv->isr_stats.rx_handlers[cnt] > 0) 619 pos += scnprintf(buf + pos, bufsz - pos, 620 "\tRx handler[%36s]:\t\t %u\n", 621 get_cmd_string(cnt), 622 priv->isr_stats.rx_handlers[cnt]); 623 } 624 625 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", 626 priv->isr_stats.tx); 627 628 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", 629 priv->isr_stats.unhandled); 630 631 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 632 kfree(buf); 633 return ret; 634} 635 636static ssize_t iwl_dbgfs_interrupt_write(struct file *file, 637 const char __user *user_buf, 638 size_t count, loff_t *ppos) 639{ 640 struct iwl_priv *priv = file->private_data; 641 char buf[8]; 642 int buf_size; 643 u32 reset_flag; 644 645 memset(buf, 0, sizeof(buf)); 646 buf_size = min(count, sizeof(buf) - 1); 647 if (copy_from_user(buf, user_buf, buf_size)) 648 return -EFAULT; 649 if (sscanf(buf, "%x", &reset_flag) != 1) 650 return -EFAULT; 651 if (reset_flag == 0) 652 iwl_clear_isr_stats(priv); 653 654 return count; 655} 656 657static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 658 size_t count, loff_t *ppos) 659{ 660 struct iwl_priv *priv = file->private_data; 661 int pos = 0, i; 662 char buf[256]; 663 const size_t bufsz = sizeof(buf); 664 ssize_t ret; 665 666 for (i = 0; i < AC_NUM; i++) { 667 pos += scnprintf(buf + pos, bufsz - pos, 668 "\tcw_min\tcw_max\taifsn\ttxop\n"); 669 pos += scnprintf(buf + pos, bufsz - pos, 670 "AC[%d]\t%u\t%u\t%u\t%u\n", i, 671 priv->qos_data.def_qos_parm.ac[i].cw_min, 672 priv->qos_data.def_qos_parm.ac[i].cw_max, 673 priv->qos_data.def_qos_parm.ac[i].aifsn, 674 priv->qos_data.def_qos_parm.ac[i].edca_txop); 675 } 676 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 677 return ret; 678} 679 680static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, 681 size_t count, loff_t *ppos) 682{ 683 struct iwl_priv *priv = file->private_data; 684 int pos = 0; 685 char buf[256]; 686 const size_t bufsz = sizeof(buf); 687 ssize_t ret; 688 689 pos += scnprintf(buf + pos, bufsz - pos, 690 "allow blinking: %s\n", 691 (priv->allow_blinking) ? "True" : "False"); 692 if (priv->allow_blinking) { 693 pos += scnprintf(buf + pos, bufsz - pos, 694 "Led blinking rate: %u\n", 695 priv->last_blink_rate); 696 pos += scnprintf(buf + pos, bufsz - pos, 697 "Last blink time: %lu\n", 698 priv->last_blink_time); 699 } 700 701 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 702 return ret; 703} 704 705static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, 706 char __user *user_buf, 707 size_t count, loff_t *ppos) 708{ 709 struct iwl_priv *priv = file->private_data; 710 struct iwl_tt_mgmt *tt = &priv->thermal_throttle; 711 struct iwl_tt_restriction *restriction; 712 char buf[100]; 713 int pos = 0; 714 const size_t bufsz = sizeof(buf); 715 ssize_t ret; 716 717 pos += scnprintf(buf + pos, bufsz - pos, 718 "Thermal Throttling Mode: %s\n", 719 tt->advanced_tt ? "Advance" : "Legacy"); 720 pos += scnprintf(buf + pos, bufsz - pos, 721 "Thermal Throttling State: %d\n", 722 tt->state); 723 if (tt->advanced_tt) { 724 restriction = tt->restriction + tt->state; 725 pos += scnprintf(buf + pos, bufsz - pos, 726 "Tx mode: %d\n", 727 restriction->tx_stream); 728 pos += scnprintf(buf + pos, bufsz - pos, 729 "Rx mode: %d\n", 730 restriction->rx_stream); 731 pos += scnprintf(buf + pos, bufsz - pos, 732 "HT mode: %d\n", 733 restriction->is_ht); 734 } 735 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 736 return ret; 737} 738 739static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, 740 const char __user *user_buf, 741 size_t count, loff_t *ppos) 742{ 743 struct iwl_priv *priv = file->private_data; 744 char buf[8]; 745 int buf_size; 746 int ht40; 747 748 memset(buf, 0, sizeof(buf)); 749 buf_size = min(count, sizeof(buf) - 1); 750 if (copy_from_user(buf, user_buf, buf_size)) 751 return -EFAULT; 752 if (sscanf(buf, "%d", &ht40) != 1) 753 return -EFAULT; 754 if (!iwl_is_associated(priv)) 755 priv->disable_ht40 = ht40 ? true : false; 756 else { 757 IWL_ERR(priv, "Sta associated with AP - " 758 "Change to 40MHz channel support is not allowed\n"); 759 return -EINVAL; 760 } 761 762 return count; 763} 764 765static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, 766 char __user *user_buf, 767 size_t count, loff_t *ppos) 768{ 769 struct iwl_priv *priv = file->private_data; 770 char buf[100]; 771 int pos = 0; 772 const size_t bufsz = sizeof(buf); 773 ssize_t ret; 774 775 pos += scnprintf(buf + pos, bufsz - pos, 776 "11n 40MHz Mode: %s\n", 777 priv->disable_ht40 ? "Disabled" : "Enabled"); 778 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 779 return ret; 780} 781 782static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, 783 const char __user *user_buf, 784 size_t count, loff_t *ppos) 785{ 786 struct iwl_priv *priv = file->private_data; 787 char buf[8]; 788 int buf_size; 789 int value; 790 791 memset(buf, 0, sizeof(buf)); 792 buf_size = min(count, sizeof(buf) - 1); 793 if (copy_from_user(buf, user_buf, buf_size)) 794 return -EFAULT; 795 796 if (sscanf(buf, "%d", &value) != 1) 797 return -EINVAL; 798 799 /* 800 * Our users expect 0 to be "CAM", but 0 isn't actually 801 * valid here. However, let's not confuse them and present 802 * IWL_POWER_INDEX_1 as "1", not "0". 803 */ 804 if (value == 0) 805 return -EINVAL; 806 else if (value > 0) 807 value -= 1; 808 809 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) 810 return -EINVAL; 811 812 if (!iwl_is_ready_rf(priv)) 813 return -EAGAIN; 814 815 priv->power_data.debug_sleep_level_override = value; 816 817 mutex_lock(&priv->mutex); 818 iwl_power_update_mode(priv, true); 819 mutex_unlock(&priv->mutex); 820 821 return count; 822} 823 824static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, 825 char __user *user_buf, 826 size_t count, loff_t *ppos) 827{ 828 struct iwl_priv *priv = file->private_data; 829 char buf[10]; 830 int pos, value; 831 const size_t bufsz = sizeof(buf); 832 833 /* see the write function */ 834 value = priv->power_data.debug_sleep_level_override; 835 if (value >= 0) 836 value += 1; 837 838 pos = scnprintf(buf, bufsz, "%d\n", value); 839 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 840} 841 842static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, 843 char __user *user_buf, 844 size_t count, loff_t *ppos) 845{ 846 struct iwl_priv *priv = file->private_data; 847 char buf[200]; 848 int pos = 0, i; 849 const size_t bufsz = sizeof(buf); 850 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; 851 852 pos += scnprintf(buf + pos, bufsz - pos, 853 "flags: %#.2x\n", le16_to_cpu(cmd->flags)); 854 pos += scnprintf(buf + pos, bufsz - pos, 855 "RX/TX timeout: %d/%d usec\n", 856 le32_to_cpu(cmd->rx_data_timeout), 857 le32_to_cpu(cmd->tx_data_timeout)); 858 for (i = 0; i < IWL_POWER_VEC_SIZE; i++) 859 pos += scnprintf(buf + pos, bufsz - pos, 860 "sleep_interval[%d]: %d\n", i, 861 le32_to_cpu(cmd->sleep_interval[i])); 862 863 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 864} 865 866DEBUGFS_READ_WRITE_FILE_OPS(sram); 867DEBUGFS_READ_WRITE_FILE_OPS(log_event); 868DEBUGFS_READ_FILE_OPS(nvm); 869DEBUGFS_READ_FILE_OPS(stations); 870DEBUGFS_READ_FILE_OPS(channels); 871DEBUGFS_READ_FILE_OPS(status); 872DEBUGFS_READ_WRITE_FILE_OPS(interrupt); 873DEBUGFS_READ_FILE_OPS(qos); 874DEBUGFS_READ_FILE_OPS(led); 875DEBUGFS_READ_FILE_OPS(thermal_throttling); 876DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); 877DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); 878DEBUGFS_READ_FILE_OPS(current_sleep_command); 879 880static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, 881 char __user *user_buf, 882 size_t count, loff_t *ppos) 883{ 884 struct iwl_priv *priv = file->private_data; 885 int pos = 0, ofs = 0; 886 int cnt = 0, entry; 887 struct iwl_tx_queue *txq; 888 struct iwl_queue *q; 889 struct iwl_rx_queue *rxq = &priv->rxq; 890 char *buf; 891 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + 892 (priv->cfg->num_of_queues * 32 * 8) + 400; 893 const u8 *ptr; 894 ssize_t ret; 895 896 if (!priv->txq) { 897 IWL_ERR(priv, "txq not ready\n"); 898 return -EAGAIN; 899 } 900 buf = kzalloc(bufsz, GFP_KERNEL); 901 if (!buf) { 902 IWL_ERR(priv, "Can not allocate buffer\n"); 903 return -ENOMEM; 904 } 905 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); 906 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 907 txq = &priv->txq[cnt]; 908 q = &txq->q; 909 pos += scnprintf(buf + pos, bufsz - pos, 910 "q[%d]: read_ptr: %u, write_ptr: %u\n", 911 cnt, q->read_ptr, q->write_ptr); 912 } 913 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { 914 ptr = priv->tx_traffic; 915 pos += scnprintf(buf + pos, bufsz - pos, 916 "Tx Traffic idx: %u\n", priv->tx_traffic_idx); 917 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 918 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 919 entry++, ofs += 16) { 920 pos += scnprintf(buf + pos, bufsz - pos, 921 "0x%.4x ", ofs); 922 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 923 buf + pos, bufsz - pos, 0); 924 pos += strlen(buf + pos); 925 if (bufsz - pos > 0) 926 buf[pos++] = '\n'; 927 } 928 } 929 } 930 931 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); 932 pos += scnprintf(buf + pos, bufsz - pos, 933 "read: %u, write: %u\n", 934 rxq->read, rxq->write); 935 936 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { 937 ptr = priv->rx_traffic; 938 pos += scnprintf(buf + pos, bufsz - pos, 939 "Rx Traffic idx: %u\n", priv->rx_traffic_idx); 940 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { 941 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; 942 entry++, ofs += 16) { 943 pos += scnprintf(buf + pos, bufsz - pos, 944 "0x%.4x ", ofs); 945 hex_dump_to_buffer(ptr + ofs, 16, 16, 2, 946 buf + pos, bufsz - pos, 0); 947 pos += strlen(buf + pos); 948 if (bufsz - pos > 0) 949 buf[pos++] = '\n'; 950 } 951 } 952 } 953 954 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 955 kfree(buf); 956 return ret; 957} 958 959static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, 960 const char __user *user_buf, 961 size_t count, loff_t *ppos) 962{ 963 struct iwl_priv *priv = file->private_data; 964 char buf[8]; 965 int buf_size; 966 int traffic_log; 967 968 memset(buf, 0, sizeof(buf)); 969 buf_size = min(count, sizeof(buf) - 1); 970 if (copy_from_user(buf, user_buf, buf_size)) 971 return -EFAULT; 972 if (sscanf(buf, "%d", &traffic_log) != 1) 973 return -EFAULT; 974 if (traffic_log == 0) 975 iwl_reset_traffic_log(priv); 976 977 return count; 978} 979 980static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, 981 char __user *user_buf, 982 size_t count, loff_t *ppos) { 983 984 struct iwl_priv *priv = file->private_data; 985 struct iwl_tx_queue *txq; 986 struct iwl_queue *q; 987 char *buf; 988 int pos = 0; 989 int cnt; 990 int ret; 991 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues; 992 993 if (!priv->txq) { 994 IWL_ERR(priv, "txq not ready\n"); 995 return -EAGAIN; 996 } 997 buf = kzalloc(bufsz, GFP_KERNEL); 998 if (!buf) 999 return -ENOMEM; 1000 1001 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { 1002 txq = &priv->txq[cnt]; 1003 q = &txq->q; 1004 pos += scnprintf(buf + pos, bufsz - pos, 1005 "hwq %.2d: read=%u write=%u stop=%d" 1006 " swq_id=%#.2x (ac %d/hwq %d)\n", 1007 cnt, q->read_ptr, q->write_ptr, 1008 !!test_bit(cnt, priv->queue_stopped), 1009 txq->swq_id, 1010 txq->swq_id & 0x80 ? txq->swq_id & 3 : 1011 txq->swq_id, 1012 txq->swq_id & 0x80 ? (txq->swq_id >> 2) & 1013 0x1f : txq->swq_id); 1014 if (cnt >= 4) 1015 continue; 1016 /* for the ACs, display the stop count too */ 1017 pos += scnprintf(buf + pos, bufsz - pos, 1018 " stop-count: %d\n", 1019 atomic_read(&priv->queue_stop_count[cnt])); 1020 } 1021 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1022 kfree(buf); 1023 return ret; 1024} 1025 1026static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, 1027 char __user *user_buf, 1028 size_t count, loff_t *ppos) { 1029 1030 struct iwl_priv *priv = file->private_data; 1031 struct iwl_rx_queue *rxq = &priv->rxq; 1032 char buf[256]; 1033 int pos = 0; 1034 const size_t bufsz = sizeof(buf); 1035 1036 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", 1037 rxq->read); 1038 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", 1039 rxq->write); 1040 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", 1041 rxq->free_count); 1042 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", 1043 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); 1044 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1045} 1046 1047static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, 1048 int bufsz) 1049{ 1050 int p = 0; 1051 1052 p += scnprintf(buf + p, bufsz - p, 1053 "Statistics Flag(0x%X):\n", 1054 le32_to_cpu(priv->statistics.flag)); 1055 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) 1056 p += scnprintf(buf + p, bufsz - p, 1057 "\tStatistics have been cleared\n"); 1058 p += scnprintf(buf + p, bufsz - p, 1059 "\tOperational Frequency: %s\n", 1060 (le32_to_cpu(priv->statistics.flag) & 1061 UCODE_STATISTICS_FREQUENCY_MSK) 1062 ? "2.4 GHz" : "5.2 GHz"); 1063 p += scnprintf(buf + p, bufsz - p, 1064 "\tTGj Narrow Band: %s\n", 1065 (le32_to_cpu(priv->statistics.flag) & 1066 UCODE_STATISTICS_NARROW_BAND_MSK) 1067 ? "enabled" : "disabled"); 1068 return p; 1069} 1070 1071static const char ucode_stats_header[] = 1072 "%-32s current acumulative delta max\n"; 1073static const char ucode_stats_short_format[] = 1074 " %-30s %10u\n"; 1075static const char ucode_stats_format[] = 1076 " %-30s %10u %10u %10u %10u\n"; 1077 1078static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, 1079 char __user *user_buf, 1080 size_t count, loff_t *ppos) 1081{ 1082 struct iwl_priv *priv = file->private_data; 1083 int pos = 0; 1084 char *buf; 1085 int bufsz = sizeof(struct statistics_rx_phy) * 40 + 1086 sizeof(struct statistics_rx_non_phy) * 40 + 1087 sizeof(struct statistics_rx_ht_phy) * 40 + 400; 1088 ssize_t ret; 1089 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; 1090 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; 1091 struct statistics_rx_non_phy *general, *accum_general; 1092 struct statistics_rx_non_phy *delta_general, *max_general; 1093 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; 1094 1095 if (!iwl_is_alive(priv)) 1096 return -EAGAIN; 1097 1098 buf = kzalloc(bufsz, GFP_KERNEL); 1099 if (!buf) { 1100 IWL_ERR(priv, "Can not allocate Buffer\n"); 1101 return -ENOMEM; 1102 } 1103 1104 /* the statistic information display here is based on 1105 * the last statistics notification from uCode 1106 * might not reflect the current uCode activity 1107 */ 1108 ofdm = &priv->statistics.rx.ofdm; 1109 cck = &priv->statistics.rx.cck; 1110 general = &priv->statistics.rx.general; 1111 ht = &priv->statistics.rx.ofdm_ht; 1112 accum_ofdm = &priv->accum_statistics.rx.ofdm; 1113 accum_cck = &priv->accum_statistics.rx.cck; 1114 accum_general = &priv->accum_statistics.rx.general; 1115 accum_ht = &priv->accum_statistics.rx.ofdm_ht; 1116 delta_ofdm = &priv->delta_statistics.rx.ofdm; 1117 delta_cck = &priv->delta_statistics.rx.cck; 1118 delta_general = &priv->delta_statistics.rx.general; 1119 delta_ht = &priv->delta_statistics.rx.ofdm_ht; 1120 max_ofdm = &priv->max_delta.rx.ofdm; 1121 max_cck = &priv->max_delta.rx.cck; 1122 max_general = &priv->max_delta.rx.general; 1123 max_ht = &priv->max_delta.rx.ofdm_ht; 1124 1125 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1126 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1127 "Statistics_Rx - OFDM:"); 1128 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1129 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt), 1130 accum_ofdm->ina_cnt, 1131 delta_ofdm->ina_cnt, max_ofdm->ina_cnt); 1132 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1133 "fina_cnt:", 1134 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, 1135 delta_ofdm->fina_cnt, max_ofdm->fina_cnt); 1136 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1137 "plcp_err:", 1138 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, 1139 delta_ofdm->plcp_err, max_ofdm->plcp_err); 1140 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1141 "crc32_err:", 1142 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, 1143 delta_ofdm->crc32_err, max_ofdm->crc32_err); 1144 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1145 "overrun_err:", 1146 le32_to_cpu(ofdm->overrun_err), 1147 accum_ofdm->overrun_err, 1148 delta_ofdm->overrun_err, max_ofdm->overrun_err); 1149 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1150 "early_overrun_err:", 1151 le32_to_cpu(ofdm->early_overrun_err), 1152 accum_ofdm->early_overrun_err, 1153 delta_ofdm->early_overrun_err, 1154 max_ofdm->early_overrun_err); 1155 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1156 "crc32_good:", 1157 le32_to_cpu(ofdm->crc32_good), 1158 accum_ofdm->crc32_good, 1159 delta_ofdm->crc32_good, max_ofdm->crc32_good); 1160 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1161 "false_alarm_cnt:", 1162 le32_to_cpu(ofdm->false_alarm_cnt), 1163 accum_ofdm->false_alarm_cnt, 1164 delta_ofdm->false_alarm_cnt, 1165 max_ofdm->false_alarm_cnt); 1166 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1167 "fina_sync_err_cnt:", 1168 le32_to_cpu(ofdm->fina_sync_err_cnt), 1169 accum_ofdm->fina_sync_err_cnt, 1170 delta_ofdm->fina_sync_err_cnt, 1171 max_ofdm->fina_sync_err_cnt); 1172 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1173 "sfd_timeout:", 1174 le32_to_cpu(ofdm->sfd_timeout), 1175 accum_ofdm->sfd_timeout, 1176 delta_ofdm->sfd_timeout, 1177 max_ofdm->sfd_timeout); 1178 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1179 "fina_timeout:", 1180 le32_to_cpu(ofdm->fina_timeout), 1181 accum_ofdm->fina_timeout, 1182 delta_ofdm->fina_timeout, 1183 max_ofdm->fina_timeout); 1184 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1185 "unresponded_rts:", 1186 le32_to_cpu(ofdm->unresponded_rts), 1187 accum_ofdm->unresponded_rts, 1188 delta_ofdm->unresponded_rts, 1189 max_ofdm->unresponded_rts); 1190 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1191 "rxe_frame_lmt_ovrun:", 1192 le32_to_cpu(ofdm->rxe_frame_limit_overrun), 1193 accum_ofdm->rxe_frame_limit_overrun, 1194 delta_ofdm->rxe_frame_limit_overrun, 1195 max_ofdm->rxe_frame_limit_overrun); 1196 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1197 "sent_ack_cnt:", 1198 le32_to_cpu(ofdm->sent_ack_cnt), 1199 accum_ofdm->sent_ack_cnt, 1200 delta_ofdm->sent_ack_cnt, 1201 max_ofdm->sent_ack_cnt); 1202 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1203 "sent_cts_cnt:", 1204 le32_to_cpu(ofdm->sent_cts_cnt), 1205 accum_ofdm->sent_cts_cnt, 1206 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt); 1207 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1208 "sent_ba_rsp_cnt:", 1209 le32_to_cpu(ofdm->sent_ba_rsp_cnt), 1210 accum_ofdm->sent_ba_rsp_cnt, 1211 delta_ofdm->sent_ba_rsp_cnt, 1212 max_ofdm->sent_ba_rsp_cnt); 1213 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1214 "dsp_self_kill:", 1215 le32_to_cpu(ofdm->dsp_self_kill), 1216 accum_ofdm->dsp_self_kill, 1217 delta_ofdm->dsp_self_kill, 1218 max_ofdm->dsp_self_kill); 1219 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1220 "mh_format_err:", 1221 le32_to_cpu(ofdm->mh_format_err), 1222 accum_ofdm->mh_format_err, 1223 delta_ofdm->mh_format_err, 1224 max_ofdm->mh_format_err); 1225 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1226 "re_acq_main_rssi_sum:", 1227 le32_to_cpu(ofdm->re_acq_main_rssi_sum), 1228 accum_ofdm->re_acq_main_rssi_sum, 1229 delta_ofdm->re_acq_main_rssi_sum, 1230 max_ofdm->re_acq_main_rssi_sum); 1231 1232 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1233 "Statistics_Rx - CCK:"); 1234 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1235 "ina_cnt:", 1236 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, 1237 delta_cck->ina_cnt, max_cck->ina_cnt); 1238 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1239 "fina_cnt:", 1240 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, 1241 delta_cck->fina_cnt, max_cck->fina_cnt); 1242 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1243 "plcp_err:", 1244 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, 1245 delta_cck->plcp_err, max_cck->plcp_err); 1246 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1247 "crc32_err:", 1248 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, 1249 delta_cck->crc32_err, max_cck->crc32_err); 1250 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1251 "overrun_err:", 1252 le32_to_cpu(cck->overrun_err), 1253 accum_cck->overrun_err, 1254 delta_cck->overrun_err, max_cck->overrun_err); 1255 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1256 "early_overrun_err:", 1257 le32_to_cpu(cck->early_overrun_err), 1258 accum_cck->early_overrun_err, 1259 delta_cck->early_overrun_err, 1260 max_cck->early_overrun_err); 1261 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1262 "crc32_good:", 1263 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, 1264 delta_cck->crc32_good, 1265 max_cck->crc32_good); 1266 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1267 "false_alarm_cnt:", 1268 le32_to_cpu(cck->false_alarm_cnt), 1269 accum_cck->false_alarm_cnt, 1270 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); 1271 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1272 "fina_sync_err_cnt:", 1273 le32_to_cpu(cck->fina_sync_err_cnt), 1274 accum_cck->fina_sync_err_cnt, 1275 delta_cck->fina_sync_err_cnt, 1276 max_cck->fina_sync_err_cnt); 1277 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1278 "sfd_timeout:", 1279 le32_to_cpu(cck->sfd_timeout), 1280 accum_cck->sfd_timeout, 1281 delta_cck->sfd_timeout, max_cck->sfd_timeout); 1282 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1283 "fina_timeout:", 1284 le32_to_cpu(cck->fina_timeout), 1285 accum_cck->fina_timeout, 1286 delta_cck->fina_timeout, max_cck->fina_timeout); 1287 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1288 "unresponded_rts:", 1289 le32_to_cpu(cck->unresponded_rts), 1290 accum_cck->unresponded_rts, 1291 delta_cck->unresponded_rts, 1292 max_cck->unresponded_rts); 1293 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1294 "rxe_frame_lmt_ovrun:", 1295 le32_to_cpu(cck->rxe_frame_limit_overrun), 1296 accum_cck->rxe_frame_limit_overrun, 1297 delta_cck->rxe_frame_limit_overrun, 1298 max_cck->rxe_frame_limit_overrun); 1299 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1300 "sent_ack_cnt:", 1301 le32_to_cpu(cck->sent_ack_cnt), 1302 accum_cck->sent_ack_cnt, 1303 delta_cck->sent_ack_cnt, 1304 max_cck->sent_ack_cnt); 1305 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1306 "sent_cts_cnt:", 1307 le32_to_cpu(cck->sent_cts_cnt), 1308 accum_cck->sent_cts_cnt, 1309 delta_cck->sent_cts_cnt, 1310 max_cck->sent_cts_cnt); 1311 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1312 "sent_ba_rsp_cnt:", 1313 le32_to_cpu(cck->sent_ba_rsp_cnt), 1314 accum_cck->sent_ba_rsp_cnt, 1315 delta_cck->sent_ba_rsp_cnt, 1316 max_cck->sent_ba_rsp_cnt); 1317 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1318 "dsp_self_kill:", 1319 le32_to_cpu(cck->dsp_self_kill), 1320 accum_cck->dsp_self_kill, 1321 delta_cck->dsp_self_kill, 1322 max_cck->dsp_self_kill); 1323 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1324 "mh_format_err:", 1325 le32_to_cpu(cck->mh_format_err), 1326 accum_cck->mh_format_err, 1327 delta_cck->mh_format_err, max_cck->mh_format_err); 1328 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1329 "re_acq_main_rssi_sum:", 1330 le32_to_cpu(cck->re_acq_main_rssi_sum), 1331 accum_cck->re_acq_main_rssi_sum, 1332 delta_cck->re_acq_main_rssi_sum, 1333 max_cck->re_acq_main_rssi_sum); 1334 1335 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1336 "Statistics_Rx - GENERAL:"); 1337 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1338 "bogus_cts:", 1339 le32_to_cpu(general->bogus_cts), 1340 accum_general->bogus_cts, 1341 delta_general->bogus_cts, max_general->bogus_cts); 1342 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1343 "bogus_ack:", 1344 le32_to_cpu(general->bogus_ack), 1345 accum_general->bogus_ack, 1346 delta_general->bogus_ack, max_general->bogus_ack); 1347 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1348 "non_bssid_frames:", 1349 le32_to_cpu(general->non_bssid_frames), 1350 accum_general->non_bssid_frames, 1351 delta_general->non_bssid_frames, 1352 max_general->non_bssid_frames); 1353 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1354 "filtered_frames:", 1355 le32_to_cpu(general->filtered_frames), 1356 accum_general->filtered_frames, 1357 delta_general->filtered_frames, 1358 max_general->filtered_frames); 1359 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1360 "non_channel_beacons:", 1361 le32_to_cpu(general->non_channel_beacons), 1362 accum_general->non_channel_beacons, 1363 delta_general->non_channel_beacons, 1364 max_general->non_channel_beacons); 1365 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1366 "channel_beacons:", 1367 le32_to_cpu(general->channel_beacons), 1368 accum_general->channel_beacons, 1369 delta_general->channel_beacons, 1370 max_general->channel_beacons); 1371 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1372 "num_missed_bcon:", 1373 le32_to_cpu(general->num_missed_bcon), 1374 accum_general->num_missed_bcon, 1375 delta_general->num_missed_bcon, 1376 max_general->num_missed_bcon); 1377 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1378 "adc_rx_saturation_time:", 1379 le32_to_cpu(general->adc_rx_saturation_time), 1380 accum_general->adc_rx_saturation_time, 1381 delta_general->adc_rx_saturation_time, 1382 max_general->adc_rx_saturation_time); 1383 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1384 "ina_detect_search_tm:", 1385 le32_to_cpu(general->ina_detection_search_time), 1386 accum_general->ina_detection_search_time, 1387 delta_general->ina_detection_search_time, 1388 max_general->ina_detection_search_time); 1389 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1390 "beacon_silence_rssi_a:", 1391 le32_to_cpu(general->beacon_silence_rssi_a), 1392 accum_general->beacon_silence_rssi_a, 1393 delta_general->beacon_silence_rssi_a, 1394 max_general->beacon_silence_rssi_a); 1395 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1396 "beacon_silence_rssi_b:", 1397 le32_to_cpu(general->beacon_silence_rssi_b), 1398 accum_general->beacon_silence_rssi_b, 1399 delta_general->beacon_silence_rssi_b, 1400 max_general->beacon_silence_rssi_b); 1401 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1402 "beacon_silence_rssi_c:", 1403 le32_to_cpu(general->beacon_silence_rssi_c), 1404 accum_general->beacon_silence_rssi_c, 1405 delta_general->beacon_silence_rssi_c, 1406 max_general->beacon_silence_rssi_c); 1407 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1408 "interference_data_flag:", 1409 le32_to_cpu(general->interference_data_flag), 1410 accum_general->interference_data_flag, 1411 delta_general->interference_data_flag, 1412 max_general->interference_data_flag); 1413 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1414 "channel_load:", 1415 le32_to_cpu(general->channel_load), 1416 accum_general->channel_load, 1417 delta_general->channel_load, 1418 max_general->channel_load); 1419 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1420 "dsp_false_alarms:", 1421 le32_to_cpu(general->dsp_false_alarms), 1422 accum_general->dsp_false_alarms, 1423 delta_general->dsp_false_alarms, 1424 max_general->dsp_false_alarms); 1425 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1426 "beacon_rssi_a:", 1427 le32_to_cpu(general->beacon_rssi_a), 1428 accum_general->beacon_rssi_a, 1429 delta_general->beacon_rssi_a, 1430 max_general->beacon_rssi_a); 1431 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1432 "beacon_rssi_b:", 1433 le32_to_cpu(general->beacon_rssi_b), 1434 accum_general->beacon_rssi_b, 1435 delta_general->beacon_rssi_b, 1436 max_general->beacon_rssi_b); 1437 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1438 "beacon_rssi_c:", 1439 le32_to_cpu(general->beacon_rssi_c), 1440 accum_general->beacon_rssi_c, 1441 delta_general->beacon_rssi_c, 1442 max_general->beacon_rssi_c); 1443 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1444 "beacon_energy_a:", 1445 le32_to_cpu(general->beacon_energy_a), 1446 accum_general->beacon_energy_a, 1447 delta_general->beacon_energy_a, 1448 max_general->beacon_energy_a); 1449 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1450 "beacon_energy_b:", 1451 le32_to_cpu(general->beacon_energy_b), 1452 accum_general->beacon_energy_b, 1453 delta_general->beacon_energy_b, 1454 max_general->beacon_energy_b); 1455 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1456 "beacon_energy_c:", 1457 le32_to_cpu(general->beacon_energy_c), 1458 accum_general->beacon_energy_c, 1459 delta_general->beacon_energy_c, 1460 max_general->beacon_energy_c); 1461 1462 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); 1463 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1464 "Statistics_Rx - OFDM_HT:"); 1465 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1466 "plcp_err:", 1467 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, 1468 delta_ht->plcp_err, max_ht->plcp_err); 1469 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1470 "overrun_err:", 1471 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, 1472 delta_ht->overrun_err, max_ht->overrun_err); 1473 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1474 "early_overrun_err:", 1475 le32_to_cpu(ht->early_overrun_err), 1476 accum_ht->early_overrun_err, 1477 delta_ht->early_overrun_err, 1478 max_ht->early_overrun_err); 1479 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1480 "crc32_good:", 1481 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, 1482 delta_ht->crc32_good, max_ht->crc32_good); 1483 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1484 "crc32_err:", 1485 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, 1486 delta_ht->crc32_err, max_ht->crc32_err); 1487 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1488 "mh_format_err:", 1489 le32_to_cpu(ht->mh_format_err), 1490 accum_ht->mh_format_err, 1491 delta_ht->mh_format_err, max_ht->mh_format_err); 1492 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1493 "agg_crc32_good:", 1494 le32_to_cpu(ht->agg_crc32_good), 1495 accum_ht->agg_crc32_good, 1496 delta_ht->agg_crc32_good, max_ht->agg_crc32_good); 1497 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1498 "agg_mpdu_cnt:", 1499 le32_to_cpu(ht->agg_mpdu_cnt), 1500 accum_ht->agg_mpdu_cnt, 1501 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); 1502 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1503 "agg_cnt:", 1504 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, 1505 delta_ht->agg_cnt, max_ht->agg_cnt); 1506 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1507 "unsupport_mcs:", 1508 le32_to_cpu(ht->unsupport_mcs), 1509 accum_ht->unsupport_mcs, 1510 delta_ht->unsupport_mcs, max_ht->unsupport_mcs); 1511 1512 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1513 kfree(buf); 1514 return ret; 1515} 1516 1517static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, 1518 char __user *user_buf, 1519 size_t count, loff_t *ppos) 1520{ 1521 struct iwl_priv *priv = file->private_data; 1522 int pos = 0; 1523 char *buf; 1524 int bufsz = (sizeof(struct statistics_tx) * 48) + 250; 1525 ssize_t ret; 1526 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; 1527 1528 if (!iwl_is_alive(priv)) 1529 return -EAGAIN; 1530 1531 buf = kzalloc(bufsz, GFP_KERNEL); 1532 if (!buf) { 1533 IWL_ERR(priv, "Can not allocate Buffer\n"); 1534 return -ENOMEM; 1535 } 1536 1537 /* the statistic information display here is based on 1538 * the last statistics notification from uCode 1539 * might not reflect the current uCode activity 1540 */ 1541 tx = &priv->statistics.tx; 1542 accum_tx = &priv->accum_statistics.tx; 1543 delta_tx = &priv->delta_statistics.tx; 1544 max_tx = &priv->max_delta.tx; 1545 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1546 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1547 "Statistics_Tx:"); 1548 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1549 "preamble:", 1550 le32_to_cpu(tx->preamble_cnt), 1551 accum_tx->preamble_cnt, 1552 delta_tx->preamble_cnt, max_tx->preamble_cnt); 1553 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1554 "rx_detected_cnt:", 1555 le32_to_cpu(tx->rx_detected_cnt), 1556 accum_tx->rx_detected_cnt, 1557 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); 1558 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1559 "bt_prio_defer_cnt:", 1560 le32_to_cpu(tx->bt_prio_defer_cnt), 1561 accum_tx->bt_prio_defer_cnt, 1562 delta_tx->bt_prio_defer_cnt, 1563 max_tx->bt_prio_defer_cnt); 1564 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1565 "bt_prio_kill_cnt:", 1566 le32_to_cpu(tx->bt_prio_kill_cnt), 1567 accum_tx->bt_prio_kill_cnt, 1568 delta_tx->bt_prio_kill_cnt, 1569 max_tx->bt_prio_kill_cnt); 1570 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1571 "few_bytes_cnt:", 1572 le32_to_cpu(tx->few_bytes_cnt), 1573 accum_tx->few_bytes_cnt, 1574 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); 1575 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1576 "cts_timeout:", 1577 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, 1578 delta_tx->cts_timeout, max_tx->cts_timeout); 1579 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1580 "ack_timeout:", 1581 le32_to_cpu(tx->ack_timeout), 1582 accum_tx->ack_timeout, 1583 delta_tx->ack_timeout, max_tx->ack_timeout); 1584 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1585 "expected_ack_cnt:", 1586 le32_to_cpu(tx->expected_ack_cnt), 1587 accum_tx->expected_ack_cnt, 1588 delta_tx->expected_ack_cnt, 1589 max_tx->expected_ack_cnt); 1590 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1591 "actual_ack_cnt:", 1592 le32_to_cpu(tx->actual_ack_cnt), 1593 accum_tx->actual_ack_cnt, 1594 delta_tx->actual_ack_cnt, 1595 max_tx->actual_ack_cnt); 1596 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1597 "dump_msdu_cnt:", 1598 le32_to_cpu(tx->dump_msdu_cnt), 1599 accum_tx->dump_msdu_cnt, 1600 delta_tx->dump_msdu_cnt, 1601 max_tx->dump_msdu_cnt); 1602 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1603 "abort_nxt_frame_mismatch:", 1604 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), 1605 accum_tx->burst_abort_next_frame_mismatch_cnt, 1606 delta_tx->burst_abort_next_frame_mismatch_cnt, 1607 max_tx->burst_abort_next_frame_mismatch_cnt); 1608 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1609 "abort_missing_nxt_frame:", 1610 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), 1611 accum_tx->burst_abort_missing_next_frame_cnt, 1612 delta_tx->burst_abort_missing_next_frame_cnt, 1613 max_tx->burst_abort_missing_next_frame_cnt); 1614 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1615 "cts_timeout_collision:", 1616 le32_to_cpu(tx->cts_timeout_collision), 1617 accum_tx->cts_timeout_collision, 1618 delta_tx->cts_timeout_collision, 1619 max_tx->cts_timeout_collision); 1620 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1621 "ack_ba_timeout_collision:", 1622 le32_to_cpu(tx->ack_or_ba_timeout_collision), 1623 accum_tx->ack_or_ba_timeout_collision, 1624 delta_tx->ack_or_ba_timeout_collision, 1625 max_tx->ack_or_ba_timeout_collision); 1626 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1627 "agg ba_timeout:", 1628 le32_to_cpu(tx->agg.ba_timeout), 1629 accum_tx->agg.ba_timeout, 1630 delta_tx->agg.ba_timeout, 1631 max_tx->agg.ba_timeout); 1632 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1633 "agg ba_resched_frames:", 1634 le32_to_cpu(tx->agg.ba_reschedule_frames), 1635 accum_tx->agg.ba_reschedule_frames, 1636 delta_tx->agg.ba_reschedule_frames, 1637 max_tx->agg.ba_reschedule_frames); 1638 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1639 "agg scd_query_agg_frame:", 1640 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), 1641 accum_tx->agg.scd_query_agg_frame_cnt, 1642 delta_tx->agg.scd_query_agg_frame_cnt, 1643 max_tx->agg.scd_query_agg_frame_cnt); 1644 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1645 "agg scd_query_no_agg:", 1646 le32_to_cpu(tx->agg.scd_query_no_agg), 1647 accum_tx->agg.scd_query_no_agg, 1648 delta_tx->agg.scd_query_no_agg, 1649 max_tx->agg.scd_query_no_agg); 1650 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1651 "agg scd_query_agg:", 1652 le32_to_cpu(tx->agg.scd_query_agg), 1653 accum_tx->agg.scd_query_agg, 1654 delta_tx->agg.scd_query_agg, 1655 max_tx->agg.scd_query_agg); 1656 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1657 "agg scd_query_mismatch:", 1658 le32_to_cpu(tx->agg.scd_query_mismatch), 1659 accum_tx->agg.scd_query_mismatch, 1660 delta_tx->agg.scd_query_mismatch, 1661 max_tx->agg.scd_query_mismatch); 1662 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1663 "agg frame_not_ready:", 1664 le32_to_cpu(tx->agg.frame_not_ready), 1665 accum_tx->agg.frame_not_ready, 1666 delta_tx->agg.frame_not_ready, 1667 max_tx->agg.frame_not_ready); 1668 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1669 "agg underrun:", 1670 le32_to_cpu(tx->agg.underrun), 1671 accum_tx->agg.underrun, 1672 delta_tx->agg.underrun, max_tx->agg.underrun); 1673 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1674 "agg bt_prio_kill:", 1675 le32_to_cpu(tx->agg.bt_prio_kill), 1676 accum_tx->agg.bt_prio_kill, 1677 delta_tx->agg.bt_prio_kill, 1678 max_tx->agg.bt_prio_kill); 1679 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1680 "agg rx_ba_rsp_cnt:", 1681 le32_to_cpu(tx->agg.rx_ba_rsp_cnt), 1682 accum_tx->agg.rx_ba_rsp_cnt, 1683 delta_tx->agg.rx_ba_rsp_cnt, 1684 max_tx->agg.rx_ba_rsp_cnt); 1685 1686 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1687 kfree(buf); 1688 return ret; 1689} 1690 1691static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, 1692 char __user *user_buf, 1693 size_t count, loff_t *ppos) 1694{ 1695 struct iwl_priv *priv = file->private_data; 1696 int pos = 0; 1697 char *buf; 1698 int bufsz = sizeof(struct statistics_general) * 10 + 300; 1699 ssize_t ret; 1700 struct statistics_general *general, *accum_general; 1701 struct statistics_general *delta_general, *max_general; 1702 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; 1703 struct statistics_div *div, *accum_div, *delta_div, *max_div; 1704 1705 if (!iwl_is_alive(priv)) 1706 return -EAGAIN; 1707 1708 buf = kzalloc(bufsz, GFP_KERNEL); 1709 if (!buf) { 1710 IWL_ERR(priv, "Can not allocate Buffer\n"); 1711 return -ENOMEM; 1712 } 1713 1714 /* the statistic information display here is based on 1715 * the last statistics notification from uCode 1716 * might not reflect the current uCode activity 1717 */ 1718 general = &priv->statistics.general; 1719 dbg = &priv->statistics.general.dbg; 1720 div = &priv->statistics.general.div; 1721 accum_general = &priv->accum_statistics.general; 1722 delta_general = &priv->delta_statistics.general; 1723 max_general = &priv->max_delta.general; 1724 accum_dbg = &priv->accum_statistics.general.dbg; 1725 delta_dbg = &priv->delta_statistics.general.dbg; 1726 max_dbg = &priv->max_delta.general.dbg; 1727 accum_div = &priv->accum_statistics.general.div; 1728 delta_div = &priv->delta_statistics.general.div; 1729 max_div = &priv->max_delta.general.div; 1730 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); 1731 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, 1732 "Statistics_General:"); 1733 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, 1734 "temperature:", 1735 le32_to_cpu(general->temperature)); 1736 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, 1737 "temperature_m:", 1738 le32_to_cpu(general->temperature_m)); 1739 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1740 "burst_check:", 1741 le32_to_cpu(dbg->burst_check), 1742 accum_dbg->burst_check, 1743 delta_dbg->burst_check, max_dbg->burst_check); 1744 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1745 "burst_count:", 1746 le32_to_cpu(dbg->burst_count), 1747 accum_dbg->burst_count, 1748 delta_dbg->burst_count, max_dbg->burst_count); 1749 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1750 "sleep_time:", 1751 le32_to_cpu(general->sleep_time), 1752 accum_general->sleep_time, 1753 delta_general->sleep_time, max_general->sleep_time); 1754 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1755 "slots_out:", 1756 le32_to_cpu(general->slots_out), 1757 accum_general->slots_out, 1758 delta_general->slots_out, max_general->slots_out); 1759 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1760 "slots_idle:", 1761 le32_to_cpu(general->slots_idle), 1762 accum_general->slots_idle, 1763 delta_general->slots_idle, max_general->slots_idle); 1764 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", 1765 le32_to_cpu(general->ttl_timestamp)); 1766 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1767 "tx_on_a:", 1768 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, 1769 delta_div->tx_on_a, max_div->tx_on_a); 1770 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1771 "tx_on_b:", 1772 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, 1773 delta_div->tx_on_b, max_div->tx_on_b); 1774 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1775 "exec_time:", 1776 le32_to_cpu(div->exec_time), accum_div->exec_time, 1777 delta_div->exec_time, max_div->exec_time); 1778 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1779 "probe_time:", 1780 le32_to_cpu(div->probe_time), accum_div->probe_time, 1781 delta_div->probe_time, max_div->probe_time); 1782 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1783 "rx_enable_counter:", 1784 le32_to_cpu(general->rx_enable_counter), 1785 accum_general->rx_enable_counter, 1786 delta_general->rx_enable_counter, 1787 max_general->rx_enable_counter); 1788 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, 1789 "num_of_sos_states:", 1790 le32_to_cpu(general->num_of_sos_states), 1791 accum_general->num_of_sos_states, 1792 delta_general->num_of_sos_states, 1793 max_general->num_of_sos_states); 1794 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1795 kfree(buf); 1796 return ret; 1797} 1798 1799static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, 1800 char __user *user_buf, 1801 size_t count, loff_t *ppos) { 1802 1803 struct iwl_priv *priv = file->private_data; 1804 int pos = 0; 1805 int cnt = 0; 1806 char *buf; 1807 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; 1808 ssize_t ret; 1809 struct iwl_sensitivity_data *data; 1810 1811 data = &priv->sensitivity_data; 1812 buf = kzalloc(bufsz, GFP_KERNEL); 1813 if (!buf) { 1814 IWL_ERR(priv, "Can not allocate Buffer\n"); 1815 return -ENOMEM; 1816 } 1817 1818 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", 1819 data->auto_corr_ofdm); 1820 pos += scnprintf(buf + pos, bufsz - pos, 1821 "auto_corr_ofdm_mrc:\t\t %u\n", 1822 data->auto_corr_ofdm_mrc); 1823 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", 1824 data->auto_corr_ofdm_x1); 1825 pos += scnprintf(buf + pos, bufsz - pos, 1826 "auto_corr_ofdm_mrc_x1:\t\t %u\n", 1827 data->auto_corr_ofdm_mrc_x1); 1828 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", 1829 data->auto_corr_cck); 1830 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", 1831 data->auto_corr_cck_mrc); 1832 pos += scnprintf(buf + pos, bufsz - pos, 1833 "last_bad_plcp_cnt_ofdm:\t\t %u\n", 1834 data->last_bad_plcp_cnt_ofdm); 1835 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", 1836 data->last_fa_cnt_ofdm); 1837 pos += scnprintf(buf + pos, bufsz - pos, 1838 "last_bad_plcp_cnt_cck:\t\t %u\n", 1839 data->last_bad_plcp_cnt_cck); 1840 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", 1841 data->last_fa_cnt_cck); 1842 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", 1843 data->nrg_curr_state); 1844 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", 1845 data->nrg_prev_state); 1846 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); 1847 for (cnt = 0; cnt < 10; cnt++) { 1848 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1849 data->nrg_value[cnt]); 1850 } 1851 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1852 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); 1853 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { 1854 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1855 data->nrg_silence_rssi[cnt]); 1856 } 1857 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1858 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", 1859 data->nrg_silence_ref); 1860 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", 1861 data->nrg_energy_idx); 1862 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", 1863 data->nrg_silence_idx); 1864 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", 1865 data->nrg_th_cck); 1866 pos += scnprintf(buf + pos, bufsz - pos, 1867 "nrg_auto_corr_silence_diff:\t %u\n", 1868 data->nrg_auto_corr_silence_diff); 1869 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", 1870 data->num_in_cck_no_fa); 1871 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", 1872 data->nrg_th_ofdm); 1873 1874 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1875 kfree(buf); 1876 return ret; 1877} 1878 1879 1880static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, 1881 char __user *user_buf, 1882 size_t count, loff_t *ppos) { 1883 1884 struct iwl_priv *priv = file->private_data; 1885 int pos = 0; 1886 int cnt = 0; 1887 char *buf; 1888 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; 1889 ssize_t ret; 1890 struct iwl_chain_noise_data *data; 1891 1892 data = &priv->chain_noise_data; 1893 buf = kzalloc(bufsz, GFP_KERNEL); 1894 if (!buf) { 1895 IWL_ERR(priv, "Can not allocate Buffer\n"); 1896 return -ENOMEM; 1897 } 1898 1899 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", 1900 data->active_chains); 1901 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", 1902 data->chain_noise_a); 1903 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", 1904 data->chain_noise_b); 1905 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", 1906 data->chain_noise_c); 1907 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", 1908 data->chain_signal_a); 1909 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", 1910 data->chain_signal_b); 1911 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", 1912 data->chain_signal_c); 1913 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", 1914 data->beacon_count); 1915 1916 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); 1917 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1918 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1919 data->disconn_array[cnt]); 1920 } 1921 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1922 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); 1923 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { 1924 pos += scnprintf(buf + pos, bufsz - pos, " %u", 1925 data->delta_gain_code[cnt]); 1926 } 1927 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 1928 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", 1929 data->radio_write); 1930 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", 1931 data->state); 1932 1933 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1934 kfree(buf); 1935 return ret; 1936} 1937 1938static ssize_t iwl_dbgfs_tx_power_read(struct file *file, 1939 char __user *user_buf, 1940 size_t count, loff_t *ppos) { 1941 1942 struct iwl_priv *priv = file->private_data; 1943 char buf[128]; 1944 int pos = 0; 1945 const size_t bufsz = sizeof(buf); 1946 struct statistics_tx *tx; 1947 1948 if (!iwl_is_alive(priv)) 1949 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1950 else { 1951 tx = &priv->statistics.tx; 1952 if (tx->tx_power.ant_a || 1953 tx->tx_power.ant_b || 1954 tx->tx_power.ant_c) { 1955 pos += scnprintf(buf + pos, bufsz - pos, 1956 "tx power: (1/2 dB step)\n"); 1957 if ((priv->cfg->valid_tx_ant & ANT_A) && 1958 tx->tx_power.ant_a) 1959 pos += scnprintf(buf + pos, bufsz - pos, 1960 "\tantenna A: 0x%X\n", 1961 tx->tx_power.ant_a); 1962 if ((priv->cfg->valid_tx_ant & ANT_B) && 1963 tx->tx_power.ant_b) 1964 pos += scnprintf(buf + pos, bufsz - pos, 1965 "\tantenna B: 0x%X\n", 1966 tx->tx_power.ant_b); 1967 if ((priv->cfg->valid_tx_ant & ANT_C) && 1968 tx->tx_power.ant_c) 1969 pos += scnprintf(buf + pos, bufsz - pos, 1970 "\tantenna C: 0x%X\n", 1971 tx->tx_power.ant_c); 1972 } else 1973 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 1974 } 1975 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1976} 1977 1978static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, 1979 char __user *user_buf, 1980 size_t count, loff_t *ppos) 1981{ 1982 struct iwl_priv *priv = file->private_data; 1983 char buf[60]; 1984 int pos = 0; 1985 const size_t bufsz = sizeof(buf); 1986 u32 pwrsave_status; 1987 1988 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & 1989 CSR_GP_REG_POWER_SAVE_STATUS_MSK; 1990 1991 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); 1992 pos += scnprintf(buf + pos, bufsz - pos, "%s\n", 1993 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : 1994 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : 1995 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : 1996 "error"); 1997 1998 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1999} 2000 2001static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, 2002 const char __user *user_buf, 2003 size_t count, loff_t *ppos) 2004{ 2005 struct iwl_priv *priv = file->private_data; 2006 char buf[8]; 2007 int buf_size; 2008 int clear; 2009 2010 memset(buf, 0, sizeof(buf)); 2011 buf_size = min(count, sizeof(buf) - 1); 2012 if (copy_from_user(buf, user_buf, buf_size)) 2013 return -EFAULT; 2014 if (sscanf(buf, "%d", &clear) != 1) 2015 return -EFAULT; 2016 2017 /* make request to uCode to retrieve statistics information */ 2018 mutex_lock(&priv->mutex); 2019 iwl_send_statistics_request(priv, CMD_SYNC, true); 2020 mutex_unlock(&priv->mutex); 2021 2022 return count; 2023} 2024 2025static ssize_t iwl_dbgfs_csr_write(struct file *file, 2026 const char __user *user_buf, 2027 size_t count, loff_t *ppos) 2028{ 2029 struct iwl_priv *priv = file->private_data; 2030 char buf[8]; 2031 int buf_size; 2032 int csr; 2033 2034 memset(buf, 0, sizeof(buf)); 2035 buf_size = min(count, sizeof(buf) - 1); 2036 if (copy_from_user(buf, user_buf, buf_size)) 2037 return -EFAULT; 2038 if (sscanf(buf, "%d", &csr) != 1) 2039 return -EFAULT; 2040 2041 if (priv->cfg->ops->lib->dump_csr) 2042 priv->cfg->ops->lib->dump_csr(priv); 2043 2044 return count; 2045} 2046 2047static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, 2048 char __user *user_buf, 2049 size_t count, loff_t *ppos) { 2050 2051 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2052 int pos = 0; 2053 char buf[128]; 2054 const size_t bufsz = sizeof(buf); 2055 ssize_t ret; 2056 2057 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", 2058 priv->event_log.ucode_trace ? "On" : "Off"); 2059 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", 2060 priv->event_log.non_wraps_count); 2061 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", 2062 priv->event_log.wraps_once_count); 2063 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", 2064 priv->event_log.wraps_more_count); 2065 2066 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2067 return ret; 2068} 2069 2070static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, 2071 const char __user *user_buf, 2072 size_t count, loff_t *ppos) 2073{ 2074 struct iwl_priv *priv = file->private_data; 2075 char buf[8]; 2076 int buf_size; 2077 int trace; 2078 2079 memset(buf, 0, sizeof(buf)); 2080 buf_size = min(count, sizeof(buf) - 1); 2081 if (copy_from_user(buf, user_buf, buf_size)) 2082 return -EFAULT; 2083 if (sscanf(buf, "%d", &trace) != 1) 2084 return -EFAULT; 2085 2086 if (trace) { 2087 priv->event_log.ucode_trace = true; 2088 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ 2089 mod_timer(&priv->ucode_trace, 2090 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); 2091 } else { 2092 priv->event_log.ucode_trace = false; 2093 del_timer_sync(&priv->ucode_trace); 2094 } 2095 2096 return count; 2097} 2098 2099static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, 2100 char __user *user_buf, 2101 size_t count, loff_t *ppos) 2102{ 2103 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2104 char *buf; 2105 int pos = 0; 2106 ssize_t ret = -EFAULT; 2107 2108 if (priv->cfg->ops->lib->dump_fh) { 2109 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true); 2110 if (buf) { 2111 ret = simple_read_from_buffer(user_buf, 2112 count, ppos, buf, pos); 2113 kfree(buf); 2114 } 2115 } 2116 2117 return ret; 2118} 2119 2120static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, 2121 char __user *user_buf, 2122 size_t count, loff_t *ppos) { 2123 2124 struct iwl_priv *priv = file->private_data; 2125 int pos = 0; 2126 char buf[12]; 2127 const size_t bufsz = sizeof(buf); 2128 ssize_t ret; 2129 2130 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", 2131 priv->missed_beacon_threshold); 2132 2133 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2134 return ret; 2135} 2136 2137static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, 2138 const char __user *user_buf, 2139 size_t count, loff_t *ppos) 2140{ 2141 struct iwl_priv *priv = file->private_data; 2142 char buf[8]; 2143 int buf_size; 2144 int missed; 2145 2146 memset(buf, 0, sizeof(buf)); 2147 buf_size = min(count, sizeof(buf) - 1); 2148 if (copy_from_user(buf, user_buf, buf_size)) 2149 return -EFAULT; 2150 if (sscanf(buf, "%d", &missed) != 1) 2151 return -EINVAL; 2152 2153 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || 2154 missed > IWL_MISSED_BEACON_THRESHOLD_MAX) 2155 priv->missed_beacon_threshold = 2156 IWL_MISSED_BEACON_THRESHOLD_DEF; 2157 else 2158 priv->missed_beacon_threshold = missed; 2159 2160 return count; 2161} 2162 2163static ssize_t iwl_dbgfs_internal_scan_write(struct file *file, 2164 const char __user *user_buf, 2165 size_t count, loff_t *ppos) 2166{ 2167 struct iwl_priv *priv = file->private_data; 2168 char buf[8]; 2169 int buf_size; 2170 int scan; 2171 2172 memset(buf, 0, sizeof(buf)); 2173 buf_size = min(count, sizeof(buf) - 1); 2174 if (copy_from_user(buf, user_buf, buf_size)) 2175 return -EFAULT; 2176 if (sscanf(buf, "%d", &scan) != 1) 2177 return -EINVAL; 2178 2179 iwl_internal_short_hw_scan(priv); 2180 2181 return count; 2182} 2183 2184static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, 2185 char __user *user_buf, 2186 size_t count, loff_t *ppos) { 2187 2188 struct iwl_priv *priv = (struct iwl_priv *)file->private_data; 2189 int pos = 0; 2190 char buf[12]; 2191 const size_t bufsz = sizeof(buf); 2192 ssize_t ret; 2193 2194 pos += scnprintf(buf + pos, bufsz - pos, "%u\n", 2195 priv->cfg->plcp_delta_threshold); 2196 2197 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2198 return ret; 2199} 2200 2201static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, 2202 const char __user *user_buf, 2203 size_t count, loff_t *ppos) { 2204 2205 struct iwl_priv *priv = file->private_data; 2206 char buf[8]; 2207 int buf_size; 2208 int plcp; 2209 2210 memset(buf, 0, sizeof(buf)); 2211 buf_size = min(count, sizeof(buf) - 1); 2212 if (copy_from_user(buf, user_buf, buf_size)) 2213 return -EFAULT; 2214 if (sscanf(buf, "%d", &plcp) != 1) 2215 return -EINVAL; 2216 if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || 2217 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) 2218 priv->cfg->plcp_delta_threshold = 2219 IWL_MAX_PLCP_ERR_THRESHOLD_DEF; 2220 else 2221 priv->cfg->plcp_delta_threshold = plcp; 2222 return count; 2223} 2224 2225static ssize_t iwl_dbgfs_force_reset_read(struct file *file, 2226 char __user *user_buf, 2227 size_t count, loff_t *ppos) { 2228 2229 struct iwl_priv *priv = file->private_data; 2230 int i, pos = 0; 2231 char buf[300]; 2232 const size_t bufsz = sizeof(buf); 2233 struct iwl_force_reset *force_reset; 2234 2235 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { 2236 force_reset = &priv->force_reset[i]; 2237 pos += scnprintf(buf + pos, bufsz - pos, 2238 "Force reset method %d\n", i); 2239 pos += scnprintf(buf + pos, bufsz - pos, 2240 "\tnumber of reset request: %d\n", 2241 force_reset->reset_request_count); 2242 pos += scnprintf(buf + pos, bufsz - pos, 2243 "\tnumber of reset request success: %d\n", 2244 force_reset->reset_success_count); 2245 pos += scnprintf(buf + pos, bufsz - pos, 2246 "\tnumber of reset request reject: %d\n", 2247 force_reset->reset_reject_count); 2248 pos += scnprintf(buf + pos, bufsz - pos, 2249 "\treset duration: %lu\n", 2250 force_reset->reset_duration); 2251 } 2252 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 2253} 2254 2255static ssize_t iwl_dbgfs_force_reset_write(struct file *file, 2256 const char __user *user_buf, 2257 size_t count, loff_t *ppos) { 2258 2259 struct iwl_priv *priv = file->private_data; 2260 char buf[8]; 2261 int buf_size; 2262 int reset, ret; 2263 2264 memset(buf, 0, sizeof(buf)); 2265 buf_size = min(count, sizeof(buf) - 1); 2266 if (copy_from_user(buf, user_buf, buf_size)) 2267 return -EFAULT; 2268 if (sscanf(buf, "%d", &reset) != 1) 2269 return -EINVAL; 2270 switch (reset) { 2271 case IWL_RF_RESET: 2272 case IWL_FW_RESET: 2273 ret = iwl_force_reset(priv, reset); 2274 break; 2275 default: 2276 return -EINVAL; 2277 } 2278 return ret ? ret : count; 2279} 2280 2281DEBUGFS_READ_FILE_OPS(rx_statistics); 2282DEBUGFS_READ_FILE_OPS(tx_statistics); 2283DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 2284DEBUGFS_READ_FILE_OPS(rx_queue); 2285DEBUGFS_READ_FILE_OPS(tx_queue); 2286DEBUGFS_READ_FILE_OPS(ucode_rx_stats); 2287DEBUGFS_READ_FILE_OPS(ucode_tx_stats); 2288DEBUGFS_READ_FILE_OPS(ucode_general_stats); 2289DEBUGFS_READ_FILE_OPS(sensitivity); 2290DEBUGFS_READ_FILE_OPS(chain_noise); 2291DEBUGFS_READ_FILE_OPS(tx_power); 2292DEBUGFS_READ_FILE_OPS(power_save_status); 2293DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); 2294DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); 2295DEBUGFS_WRITE_FILE_OPS(csr); 2296DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); 2297DEBUGFS_READ_FILE_OPS(fh_reg); 2298DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); 2299DEBUGFS_WRITE_FILE_OPS(internal_scan); 2300DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); 2301DEBUGFS_READ_WRITE_FILE_OPS(force_reset); 2302 2303/* 2304 * Create the debugfs files and directories 2305 * 2306 */ 2307int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 2308{ 2309 struct dentry *phyd = priv->hw->wiphy->debugfsdir; 2310 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; 2311 2312 dir_drv = debugfs_create_dir(name, phyd); 2313 if (!dir_drv) 2314 return -ENOMEM; 2315 2316 priv->debugfs_dir = dir_drv; 2317 2318 dir_data = debugfs_create_dir("data", dir_drv); 2319 if (!dir_data) 2320 goto err; 2321 dir_rf = debugfs_create_dir("rf", dir_drv); 2322 if (!dir_rf) 2323 goto err; 2324 dir_debug = debugfs_create_dir("debug", dir_drv); 2325 if (!dir_debug) 2326 goto err; 2327 2328 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); 2329 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); 2330 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); 2331 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); 2332 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); 2333 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); 2334 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); 2335 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); 2336 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR); 2337 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); 2338 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); 2339 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); 2340 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); 2341 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); 2342 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); 2343 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); 2344 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); 2345 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); 2346 DEBUGFS_ADD_FILE(tx_power, dir_debug, S_IRUSR); 2347 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); 2348 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); 2349 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); 2350 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR); 2351 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); 2352 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); 2353 DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR); 2354 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); 2355 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); 2356 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { 2357 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); 2358 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); 2359 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); 2360 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); 2361 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); 2362 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); 2363 } 2364 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal); 2365 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, 2366 &priv->disable_chain_noise_cal); 2367 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || 2368 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) 2369 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, 2370 &priv->disable_tx_power_cal); 2371 return 0; 2372 2373err: 2374 IWL_ERR(priv, "Can't create the debugfs directory\n"); 2375 iwl_dbgfs_unregister(priv); 2376 return -ENOMEM; 2377} 2378EXPORT_SYMBOL(iwl_dbgfs_register); 2379 2380/** 2381 * Remove the debugfs files and directories 2382 * 2383 */ 2384void iwl_dbgfs_unregister(struct iwl_priv *priv) 2385{ 2386 if (!priv->debugfs_dir) 2387 return; 2388 2389 debugfs_remove_recursive(priv->debugfs_dir); 2390 priv->debugfs_dir = NULL; 2391} 2392EXPORT_SYMBOL(iwl_dbgfs_unregister); 2393 2394 2395 2396