1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * mac80211 debugfs for wireless PHYs 4 * 5 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> 6 * Copyright 2013-2014 Intel Mobile Communications GmbH 7 * Copyright (C) 2018 - 2019, 2021-2025 Intel Corporation 8 */ 9 10 #include <linux/debugfs.h> 11 #include <linux/rtnetlink.h> 12 #include <linux/vmalloc.h> 13 #include "ieee80211_i.h" 14 #include "driver-ops.h" 15 #include "rate.h" 16 #include "debugfs.h" 17 18 #define DEBUGFS_FORMAT_BUFFER_SIZE 100 19 20 int mac80211_format_buffer(char __user *userbuf, size_t count, 21 loff_t *ppos, char *fmt, ...) 22 { 23 va_list args; 24 char buf[DEBUGFS_FORMAT_BUFFER_SIZE]; 25 int res; 26 27 va_start(args, fmt); 28 res = vscnprintf(buf, sizeof(buf), fmt, args); 29 va_end(args); 30 31 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 32 } 33 34 #define DEBUGFS_READONLY_FILE_FN(name, fmt, value...) \ 35 static ssize_t name## _read(struct file *file, char __user *userbuf, \ 36 size_t count, loff_t *ppos) \ 37 { \ 38 struct ieee80211_local *local = file->private_data; \ 39 \ 40 return mac80211_format_buffer(userbuf, count, ppos, \ 41 fmt "\n", ##value); \ 42 } 43 44 #define DEBUGFS_READONLY_FILE_OPS(name) \ 45 static const struct debugfs_short_fops name## _ops = { \ 46 .read = name## _read, \ 47 .llseek = generic_file_llseek, \ 48 }; 49 50 #define DEBUGFS_READONLY_FILE(name, fmt, value...) \ 51 DEBUGFS_READONLY_FILE_FN(name, fmt, value) \ 52 DEBUGFS_READONLY_FILE_OPS(name) 53 54 #define DEBUGFS_ADD(name) \ 55 debugfs_create_file(#name, 0400, phyd, local, &name## _ops) 56 57 #define DEBUGFS_ADD_MODE(name, mode) \ 58 debugfs_create_file(#name, mode, phyd, local, &name## _ops); 59 60 61 DEBUGFS_READONLY_FILE(hw_conf, "%x", 62 local->hw.conf.flags); 63 DEBUGFS_READONLY_FILE(user_power, "%d", 64 local->user_power_level); 65 DEBUGFS_READONLY_FILE(power, "%d", 66 local->hw.conf.power_level); 67 DEBUGFS_READONLY_FILE(total_ps_buffered, "%d", 68 local->total_ps_buffered); 69 DEBUGFS_READONLY_FILE(wep_iv, "%#08x", 70 local->wep_iv & 0xffffff); 71 DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s", 72 local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver"); 73 74 static ssize_t aqm_read(struct file *file, 75 char __user *user_buf, 76 size_t count, 77 loff_t *ppos) 78 { 79 struct ieee80211_local *local = file->private_data; 80 struct fq *fq = &local->fq; 81 char buf[200]; 82 int len = 0; 83 84 spin_lock_bh(&local->fq.lock); 85 86 len = scnprintf(buf, sizeof(buf), 87 "access name value\n" 88 "R fq_flows_cnt %u\n" 89 "R fq_backlog %u\n" 90 "R fq_overlimit %u\n" 91 "R fq_overmemory %u\n" 92 "R fq_collisions %u\n" 93 "R fq_memory_usage %u\n" 94 "RW fq_memory_limit %u\n" 95 "RW fq_limit %u\n" 96 "RW fq_quantum %u\n", 97 fq->flows_cnt, 98 fq->backlog, 99 fq->overmemory, 100 fq->overlimit, 101 fq->collisions, 102 fq->memory_usage, 103 fq->memory_limit, 104 fq->limit, 105 fq->quantum); 106 107 spin_unlock_bh(&local->fq.lock); 108 109 return simple_read_from_buffer(user_buf, count, ppos, 110 buf, len); 111 } 112 113 static ssize_t aqm_write(struct file *file, 114 const char __user *user_buf, 115 size_t count, 116 loff_t *ppos) 117 { 118 struct ieee80211_local *local = file->private_data; 119 char buf[100]; 120 121 if (count >= sizeof(buf)) 122 return -EINVAL; 123 124 if (copy_from_user(buf, user_buf, count)) 125 return -EFAULT; 126 127 if (count && buf[count - 1] == '\n') 128 buf[count - 1] = '\0'; 129 else 130 buf[count] = '\0'; 131 132 if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1) 133 return count; 134 else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1) 135 return count; 136 else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1) 137 return count; 138 139 return -EINVAL; 140 } 141 142 static const struct debugfs_short_fops aqm_ops = { 143 .write = aqm_write, 144 .read = aqm_read, 145 .llseek = default_llseek, 146 }; 147 148 static ssize_t airtime_flags_read(struct file *file, 149 char __user *user_buf, 150 size_t count, loff_t *ppos) 151 { 152 struct ieee80211_local *local = file->private_data; 153 char buf[128] = {}, *pos, *end; 154 155 pos = buf; 156 end = pos + sizeof(buf) - 1; 157 158 if (local->airtime_flags & AIRTIME_USE_TX) 159 pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n", 160 AIRTIME_USE_TX); 161 if (local->airtime_flags & AIRTIME_USE_RX) 162 pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n", 163 AIRTIME_USE_RX); 164 165 return simple_read_from_buffer(user_buf, count, ppos, buf, 166 strlen(buf)); 167 } 168 169 static ssize_t airtime_flags_write(struct file *file, 170 const char __user *user_buf, 171 size_t count, loff_t *ppos) 172 { 173 struct ieee80211_local *local = file->private_data; 174 char buf[16]; 175 176 if (count >= sizeof(buf)) 177 return -EINVAL; 178 179 if (copy_from_user(buf, user_buf, count)) 180 return -EFAULT; 181 182 if (count && buf[count - 1] == '\n') 183 buf[count - 1] = '\0'; 184 else 185 buf[count] = '\0'; 186 187 if (kstrtou16(buf, 0, &local->airtime_flags)) 188 return -EINVAL; 189 190 return count; 191 } 192 193 static const struct debugfs_short_fops airtime_flags_ops = { 194 .write = airtime_flags_write, 195 .read = airtime_flags_read, 196 .llseek = default_llseek, 197 }; 198 199 static ssize_t aql_pending_read(struct file *file, 200 char __user *user_buf, 201 size_t count, loff_t *ppos) 202 { 203 struct ieee80211_local *local = file->private_data; 204 char buf[400]; 205 int len = 0; 206 207 len = scnprintf(buf, sizeof(buf), 208 "AC AQL pending\n" 209 "VO %u us\n" 210 "VI %u us\n" 211 "BE %u us\n" 212 "BK %u us\n" 213 "total %u us\n", 214 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VO]), 215 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VI]), 216 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BE]), 217 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BK]), 218 atomic_read(&local->aql_total_pending_airtime)); 219 return simple_read_from_buffer(user_buf, count, ppos, 220 buf, len); 221 } 222 223 static const struct debugfs_short_fops aql_pending_ops = { 224 .read = aql_pending_read, 225 .llseek = default_llseek, 226 }; 227 228 static ssize_t aql_txq_limit_read(struct file *file, 229 char __user *user_buf, 230 size_t count, 231 loff_t *ppos) 232 { 233 struct ieee80211_local *local = file->private_data; 234 char buf[400]; 235 int len = 0; 236 237 len = scnprintf(buf, sizeof(buf), 238 "AC AQL limit low AQL limit high\n" 239 "VO %u %u\n" 240 "VI %u %u\n" 241 "BE %u %u\n" 242 "BK %u %u\n", 243 local->aql_txq_limit_low[IEEE80211_AC_VO], 244 local->aql_txq_limit_high[IEEE80211_AC_VO], 245 local->aql_txq_limit_low[IEEE80211_AC_VI], 246 local->aql_txq_limit_high[IEEE80211_AC_VI], 247 local->aql_txq_limit_low[IEEE80211_AC_BE], 248 local->aql_txq_limit_high[IEEE80211_AC_BE], 249 local->aql_txq_limit_low[IEEE80211_AC_BK], 250 local->aql_txq_limit_high[IEEE80211_AC_BK]); 251 return simple_read_from_buffer(user_buf, count, ppos, 252 buf, len); 253 } 254 255 static ssize_t aql_txq_limit_write(struct file *file, 256 const char __user *user_buf, 257 size_t count, 258 loff_t *ppos) 259 { 260 struct ieee80211_local *local = file->private_data; 261 char buf[100]; 262 u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old; 263 struct sta_info *sta; 264 265 if (count >= sizeof(buf)) 266 return -EINVAL; 267 268 if (copy_from_user(buf, user_buf, count)) 269 return -EFAULT; 270 271 if (count && buf[count - 1] == '\n') 272 buf[count - 1] = '\0'; 273 else 274 buf[count] = '\0'; 275 276 if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3) 277 return -EINVAL; 278 279 if (ac >= IEEE80211_NUM_ACS) 280 return -EINVAL; 281 282 q_limit_low_old = local->aql_txq_limit_low[ac]; 283 q_limit_high_old = local->aql_txq_limit_high[ac]; 284 285 guard(wiphy)(local->hw.wiphy); 286 287 local->aql_txq_limit_low[ac] = q_limit_low; 288 local->aql_txq_limit_high[ac] = q_limit_high; 289 290 list_for_each_entry(sta, &local->sta_list, list) { 291 /* If a sta has customized queue limits, keep it */ 292 if (sta->airtime[ac].aql_limit_low == q_limit_low_old && 293 sta->airtime[ac].aql_limit_high == q_limit_high_old) { 294 sta->airtime[ac].aql_limit_low = q_limit_low; 295 sta->airtime[ac].aql_limit_high = q_limit_high; 296 } 297 } 298 299 return count; 300 } 301 302 static const struct debugfs_short_fops aql_txq_limit_ops = { 303 .write = aql_txq_limit_write, 304 .read = aql_txq_limit_read, 305 .llseek = default_llseek, 306 }; 307 308 static ssize_t aql_enable_read(struct file *file, char __user *user_buf, 309 size_t count, loff_t *ppos) 310 { 311 char buf[3]; 312 int len; 313 314 len = scnprintf(buf, sizeof(buf), "%d\n", 315 !static_key_false(&aql_disable.key)); 316 317 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 318 } 319 320 static ssize_t aql_enable_write(struct file *file, const char __user *user_buf, 321 size_t count, loff_t *ppos) 322 { 323 bool val; 324 int ret; 325 326 ret = kstrtobool_from_user(user_buf, count, &val); 327 if (unlikely(ret)) 328 return ret; 329 330 if (val) 331 static_branch_disable(&aql_disable); 332 else 333 static_branch_enable(&aql_disable); 334 335 return count; 336 } 337 338 static const struct debugfs_short_fops aql_enable_ops = { 339 .write = aql_enable_write, 340 .read = aql_enable_read, 341 .llseek = default_llseek, 342 }; 343 344 static ssize_t force_tx_status_read(struct file *file, 345 char __user *user_buf, 346 size_t count, 347 loff_t *ppos) 348 { 349 struct ieee80211_local *local = file->private_data; 350 char buf[3]; 351 int len = 0; 352 353 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status); 354 355 return simple_read_from_buffer(user_buf, count, ppos, 356 buf, len); 357 } 358 359 static ssize_t force_tx_status_write(struct file *file, 360 const char __user *user_buf, 361 size_t count, 362 loff_t *ppos) 363 { 364 struct ieee80211_local *local = file->private_data; 365 bool val; 366 int ret; 367 368 ret = kstrtobool_from_user(user_buf, count, &val); 369 if (unlikely(ret)) 370 return ret; 371 372 local->force_tx_status = val; 373 return count; 374 } 375 376 static const struct debugfs_short_fops force_tx_status_ops = { 377 .write = force_tx_status_write, 378 .read = force_tx_status_read, 379 .llseek = default_llseek, 380 }; 381 382 #ifdef CONFIG_PM 383 static ssize_t reset_write(struct file *file, const char __user *user_buf, 384 size_t count, loff_t *ppos) 385 { 386 struct ieee80211_local *local = file->private_data; 387 int ret; 388 389 rtnl_lock(); 390 wiphy_lock(local->hw.wiphy); 391 __ieee80211_suspend(&local->hw, NULL); 392 ret = __ieee80211_resume(&local->hw); 393 wiphy_unlock(local->hw.wiphy); 394 395 if (ret) 396 cfg80211_shutdown_all_interfaces(local->hw.wiphy); 397 398 rtnl_unlock(); 399 400 return count; 401 } 402 403 static const struct debugfs_short_fops reset_ops = { 404 .write = reset_write, 405 .llseek = noop_llseek, 406 }; 407 #endif 408 409 static const char *hw_flag_names[] = { 410 #define FLAG(F) [IEEE80211_HW_##F] = #F 411 FLAG(HAS_RATE_CONTROL), 412 FLAG(RX_INCLUDES_FCS), 413 FLAG(HOST_BROADCAST_PS_BUFFERING), 414 FLAG(SIGNAL_UNSPEC), 415 FLAG(SIGNAL_DBM), 416 FLAG(NEED_DTIM_BEFORE_ASSOC), 417 FLAG(SPECTRUM_MGMT), 418 FLAG(AMPDU_AGGREGATION), 419 FLAG(SUPPORTS_PS), 420 FLAG(PS_NULLFUNC_STACK), 421 FLAG(SUPPORTS_DYNAMIC_PS), 422 FLAG(MFP_CAPABLE), 423 FLAG(WANT_MONITOR_VIF), 424 FLAG(NO_VIRTUAL_MONITOR), 425 FLAG(NO_AUTO_VIF), 426 FLAG(SW_CRYPTO_CONTROL), 427 FLAG(SUPPORT_FAST_XMIT), 428 FLAG(REPORTS_TX_ACK_STATUS), 429 FLAG(CONNECTION_MONITOR), 430 FLAG(QUEUE_CONTROL), 431 FLAG(SUPPORTS_PER_STA_GTK), 432 FLAG(AP_LINK_PS), 433 FLAG(TX_AMPDU_SETUP_IN_HW), 434 FLAG(SUPPORTS_RC_TABLE), 435 FLAG(P2P_DEV_ADDR_FOR_INTF), 436 FLAG(TIMING_BEACON_ONLY), 437 FLAG(SUPPORTS_HT_CCK_RATES), 438 FLAG(CHANCTX_STA_CSA), 439 FLAG(SUPPORTS_CLONED_SKBS), 440 FLAG(SINGLE_SCAN_ON_ALL_BANDS), 441 FLAG(TDLS_WIDER_BW), 442 FLAG(SUPPORTS_AMSDU_IN_AMPDU), 443 FLAG(BEACON_TX_STATUS), 444 FLAG(NEEDS_UNIQUE_STA_ADDR), 445 FLAG(SUPPORTS_REORDERING_BUFFER), 446 FLAG(USES_RSS), 447 FLAG(TX_AMSDU), 448 FLAG(TX_FRAG_LIST), 449 FLAG(REPORTS_LOW_ACK), 450 FLAG(SUPPORTS_TX_FRAG), 451 FLAG(SUPPORTS_TDLS_BUFFER_STA), 452 FLAG(DOESNT_SUPPORT_QOS_NDP), 453 FLAG(BUFF_MMPDU_TXQ), 454 FLAG(SUPPORTS_VHT_EXT_NSS_BW), 455 FLAG(STA_MMPDU_TXQ), 456 FLAG(TX_STATUS_NO_AMPDU_LEN), 457 FLAG(SUPPORTS_MULTI_BSSID), 458 FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID), 459 FLAG(AMPDU_KEYBORDER_SUPPORT), 460 FLAG(SUPPORTS_TX_ENCAP_OFFLOAD), 461 FLAG(SUPPORTS_RX_DECAP_OFFLOAD), 462 FLAG(SUPPORTS_CONC_MON_RX_DECAP), 463 FLAG(DETECTS_COLOR_COLLISION), 464 FLAG(MLO_MCAST_MULTI_LINK_TX), 465 FLAG(DISALLOW_PUNCTURING), 466 FLAG(HANDLES_QUIET_CSA), 467 FLAG(STRICT), 468 FLAG(SUPPORTS_NDP_BLOCKACK), 469 #undef FLAG 470 }; 471 472 static ssize_t hwflags_read(struct file *file, char __user *user_buf, 473 size_t count, loff_t *ppos) 474 { 475 struct ieee80211_local *local = file->private_data; 476 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS; 477 char *buf = kzalloc(bufsz, GFP_KERNEL); 478 char *pos = buf, *end = buf + bufsz - 1; 479 ssize_t rv; 480 int i; 481 482 if (!buf) 483 return -ENOMEM; 484 485 /* fail compilation if somebody adds or removes 486 * a flag without updating the name array above 487 */ 488 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS); 489 490 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) { 491 if (test_bit(i, local->hw.flags)) 492 pos += scnprintf(pos, end - pos, "%s\n", 493 hw_flag_names[i]); 494 } 495 496 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 497 kfree(buf); 498 return rv; 499 } 500 501 static ssize_t hwflags_write(struct file *file, const char __user *user_buf, 502 size_t count, loff_t *ppos) 503 { 504 struct ieee80211_local *local = file->private_data; 505 char buf[100]; 506 int val; 507 508 if (count >= sizeof(buf)) 509 return -EINVAL; 510 511 if (copy_from_user(buf, user_buf, count)) 512 return -EFAULT; 513 514 if (count && buf[count - 1] == '\n') 515 buf[count - 1] = '\0'; 516 else 517 buf[count] = '\0'; 518 519 if (sscanf(buf, "strict=%d", &val) == 1) { 520 switch (val) { 521 case 0: 522 ieee80211_hw_set(&local->hw, STRICT); 523 return count; 524 case 1: 525 __clear_bit(IEEE80211_HW_STRICT, local->hw.flags); 526 return count; 527 default: 528 return -EINVAL; 529 } 530 } 531 532 return -EINVAL; 533 } 534 535 static const struct file_operations hwflags_ops = { 536 .open = simple_open, 537 .read = hwflags_read, 538 .write = hwflags_write, 539 }; 540 541 static ssize_t misc_read(struct file *file, char __user *user_buf, 542 size_t count, loff_t *ppos) 543 { 544 struct ieee80211_local *local = file->private_data; 545 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */ 546 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9; 547 char *buf; 548 char *pos, *end; 549 ssize_t rv; 550 int i; 551 int ln; 552 553 buf = kzalloc(bufsz, GFP_KERNEL); 554 if (!buf) 555 return -ENOMEM; 556 557 pos = buf; 558 end = buf + bufsz - 1; 559 560 pos += scnprintf(pos, end - pos, "pending:\n"); 561 562 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 563 ln = skb_queue_len(&local->pending[i]); 564 pos += scnprintf(pos, end - pos, "[%i] %d\n", 565 i, ln); 566 } 567 568 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 569 kfree(buf); 570 return rv; 571 } 572 573 static ssize_t queues_read(struct file *file, char __user *user_buf, 574 size_t count, loff_t *ppos) 575 { 576 struct ieee80211_local *local = file->private_data; 577 unsigned long flags; 578 char buf[IEEE80211_MAX_QUEUES * 20]; 579 int q, res = 0; 580 581 spin_lock_irqsave(&local->queue_stop_reason_lock, flags); 582 for (q = 0; q < local->hw.queues; q++) 583 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q, 584 local->queue_stop_reasons[q], 585 skb_queue_len(&local->pending[q])); 586 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); 587 588 return simple_read_from_buffer(user_buf, count, ppos, buf, res); 589 } 590 591 DEBUGFS_READONLY_FILE_OPS(queues); 592 DEBUGFS_READONLY_FILE_OPS(misc); 593 594 /* statistics stuff */ 595 596 static ssize_t format_devstat_counter(struct ieee80211_local *local, 597 char __user *userbuf, 598 size_t count, loff_t *ppos, 599 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf, 600 int buflen)) 601 { 602 struct ieee80211_low_level_stats stats; 603 char buf[20]; 604 int res; 605 606 wiphy_lock(local->hw.wiphy); 607 res = drv_get_stats(local, &stats); 608 wiphy_unlock(local->hw.wiphy); 609 if (res) 610 return res; 611 res = printvalue(&stats, buf, sizeof(buf)); 612 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 613 } 614 615 #define DEBUGFS_DEVSTATS_FILE(name) \ 616 static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\ 617 char *buf, int buflen) \ 618 { \ 619 return scnprintf(buf, buflen, "%u\n", stats->name); \ 620 } \ 621 static ssize_t stats_ ##name## _read(struct file *file, \ 622 char __user *userbuf, \ 623 size_t count, loff_t *ppos) \ 624 { \ 625 return format_devstat_counter(file->private_data, \ 626 userbuf, \ 627 count, \ 628 ppos, \ 629 print_devstats_##name); \ 630 } \ 631 \ 632 static const struct debugfs_short_fops stats_ ##name## _ops = { \ 633 .read = stats_ ##name## _read, \ 634 .llseek = generic_file_llseek, \ 635 }; 636 637 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 638 #define DEBUGFS_STATS_ADD(name) \ 639 debugfs_create_u32(#name, 0400, statsd, &local->name); 640 #endif 641 #define DEBUGFS_DEVSTATS_ADD(name) \ 642 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops); 643 644 DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount); 645 DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount); 646 DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount); 647 DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount); 648 649 void debugfs_hw_add(struct ieee80211_local *local) 650 { 651 struct dentry *phyd = local->hw.wiphy->debugfsdir; 652 struct dentry *statsd; 653 654 if (!phyd) 655 return; 656 657 local->debugfs.keys = debugfs_create_dir("keys", phyd); 658 659 DEBUGFS_ADD(total_ps_buffered); 660 DEBUGFS_ADD(wep_iv); 661 DEBUGFS_ADD(rate_ctrl_alg); 662 DEBUGFS_ADD(queues); 663 DEBUGFS_ADD(misc); 664 #ifdef CONFIG_PM 665 DEBUGFS_ADD_MODE(reset, 0200); 666 #endif 667 DEBUGFS_ADD_MODE(hwflags, 0600); 668 DEBUGFS_ADD(user_power); 669 DEBUGFS_ADD(power); 670 DEBUGFS_ADD(hw_conf); 671 DEBUGFS_ADD_MODE(force_tx_status, 0600); 672 DEBUGFS_ADD_MODE(aql_enable, 0600); 673 DEBUGFS_ADD(aql_pending); 674 DEBUGFS_ADD_MODE(aqm, 0600); 675 676 DEBUGFS_ADD_MODE(airtime_flags, 0600); 677 678 DEBUGFS_ADD(aql_txq_limit); 679 debugfs_create_u32("aql_threshold", 0600, 680 phyd, &local->aql_threshold); 681 682 statsd = debugfs_create_dir("statistics", phyd); 683 684 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 685 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount); 686 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount); 687 DEBUGFS_STATS_ADD(dot11FailedCount); 688 DEBUGFS_STATS_ADD(dot11RetryCount); 689 DEBUGFS_STATS_ADD(dot11MultipleRetryCount); 690 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount); 691 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount); 692 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount); 693 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount); 694 DEBUGFS_STATS_ADD(tx_handlers_queued); 695 DEBUGFS_STATS_ADD(tx_handlers_drop_wep); 696 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc); 697 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port); 698 DEBUGFS_STATS_ADD(rx_handlers_drop); 699 DEBUGFS_STATS_ADD(rx_handlers_queued); 700 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc); 701 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag); 702 DEBUGFS_STATS_ADD(tx_expand_skb_head); 703 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned); 704 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag); 705 DEBUGFS_STATS_ADD(rx_handlers_fragments); 706 DEBUGFS_STATS_ADD(tx_status_drop); 707 #endif 708 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount); 709 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount); 710 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount); 711 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount); 712 } 713