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, 2021-2022 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 20int 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...) \ 35static 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) \ 45static const struct file_operations name## _ops = { \ 46 .read = name## _read, \ 47 .open = simple_open, \ 48 .llseek = generic_file_llseek, \ 49}; 50 51#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ 52 DEBUGFS_READONLY_FILE_FN(name, fmt, value) \ 53 DEBUGFS_READONLY_FILE_OPS(name) 54 55#define DEBUGFS_ADD(name) \ 56 debugfs_create_file(#name, 0400, phyd, local, &name## _ops) 57 58#define DEBUGFS_ADD_MODE(name, mode) \ 59 debugfs_create_file(#name, mode, phyd, local, &name## _ops); 60 61 62DEBUGFS_READONLY_FILE(hw_conf, "%x", 63 local->hw.conf.flags); 64DEBUGFS_READONLY_FILE(user_power, "%d", 65 local->user_power_level); 66DEBUGFS_READONLY_FILE(power, "%d", 67 local->hw.conf.power_level); 68DEBUGFS_READONLY_FILE(total_ps_buffered, "%d", 69 local->total_ps_buffered); 70DEBUGFS_READONLY_FILE(wep_iv, "%#08x", 71 local->wep_iv & 0xffffff); 72DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s", 73 local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver"); 74 75static ssize_t aqm_read(struct file *file, 76 char __user *user_buf, 77 size_t count, 78 loff_t *ppos) 79{ 80 struct ieee80211_local *local = file->private_data; 81 struct fq *fq = &local->fq; 82 char buf[200]; 83 int len = 0; 84 85 spin_lock_bh(&local->fq.lock); 86 rcu_read_lock(); 87 88 len = scnprintf(buf, sizeof(buf), 89 "access name value\n" 90 "R fq_flows_cnt %u\n" 91 "R fq_backlog %u\n" 92 "R fq_overlimit %u\n" 93 "R fq_overmemory %u\n" 94 "R fq_collisions %u\n" 95 "R fq_memory_usage %u\n" 96 "RW fq_memory_limit %u\n" 97 "RW fq_limit %u\n" 98 "RW fq_quantum %u\n", 99 fq->flows_cnt, 100 fq->backlog, 101 fq->overmemory, 102 fq->overlimit, 103 fq->collisions, 104 fq->memory_usage, 105 fq->memory_limit, 106 fq->limit, 107 fq->quantum); 108 109 rcu_read_unlock(); 110 spin_unlock_bh(&local->fq.lock); 111 112 return simple_read_from_buffer(user_buf, count, ppos, 113 buf, len); 114} 115 116static ssize_t aqm_write(struct file *file, 117 const char __user *user_buf, 118 size_t count, 119 loff_t *ppos) 120{ 121 struct ieee80211_local *local = file->private_data; 122 char buf[100]; 123 124 if (count >= sizeof(buf)) 125 return -EINVAL; 126 127 if (copy_from_user(buf, user_buf, count)) 128 return -EFAULT; 129 130 if (count && buf[count - 1] == '\n') 131 buf[count - 1] = '\0'; 132 else 133 buf[count] = '\0'; 134 135 if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1) 136 return count; 137 else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1) 138 return count; 139 else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1) 140 return count; 141 142 return -EINVAL; 143} 144 145static const struct file_operations aqm_ops = { 146 .write = aqm_write, 147 .read = aqm_read, 148 .open = simple_open, 149 .llseek = default_llseek, 150}; 151 152static ssize_t airtime_flags_read(struct file *file, 153 char __user *user_buf, 154 size_t count, loff_t *ppos) 155{ 156 struct ieee80211_local *local = file->private_data; 157 char buf[128] = {}, *pos, *end; 158 159 pos = buf; 160 end = pos + sizeof(buf) - 1; 161 162 if (local->airtime_flags & AIRTIME_USE_TX) 163 pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n", 164 AIRTIME_USE_TX); 165 if (local->airtime_flags & AIRTIME_USE_RX) 166 pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n", 167 AIRTIME_USE_RX); 168 169 return simple_read_from_buffer(user_buf, count, ppos, buf, 170 strlen(buf)); 171} 172 173static ssize_t airtime_flags_write(struct file *file, 174 const char __user *user_buf, 175 size_t count, loff_t *ppos) 176{ 177 struct ieee80211_local *local = file->private_data; 178 char buf[16]; 179 180 if (count >= sizeof(buf)) 181 return -EINVAL; 182 183 if (copy_from_user(buf, user_buf, count)) 184 return -EFAULT; 185 186 if (count && buf[count - 1] == '\n') 187 buf[count - 1] = '\0'; 188 else 189 buf[count] = '\0'; 190 191 if (kstrtou16(buf, 0, &local->airtime_flags)) 192 return -EINVAL; 193 194 return count; 195} 196 197static const struct file_operations airtime_flags_ops = { 198 .write = airtime_flags_write, 199 .read = airtime_flags_read, 200 .open = simple_open, 201 .llseek = default_llseek, 202}; 203 204static ssize_t aql_pending_read(struct file *file, 205 char __user *user_buf, 206 size_t count, loff_t *ppos) 207{ 208 struct ieee80211_local *local = file->private_data; 209 char buf[400]; 210 int len = 0; 211 212 len = scnprintf(buf, sizeof(buf), 213 "AC AQL pending\n" 214 "VO %u us\n" 215 "VI %u us\n" 216 "BE %u us\n" 217 "BK %u us\n" 218 "total %u us\n", 219 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VO]), 220 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VI]), 221 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BE]), 222 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BK]), 223 atomic_read(&local->aql_total_pending_airtime)); 224 return simple_read_from_buffer(user_buf, count, ppos, 225 buf, len); 226} 227 228static const struct file_operations aql_pending_ops = { 229 .read = aql_pending_read, 230 .open = simple_open, 231 .llseek = default_llseek, 232}; 233 234static ssize_t aql_txq_limit_read(struct file *file, 235 char __user *user_buf, 236 size_t count, 237 loff_t *ppos) 238{ 239 struct ieee80211_local *local = file->private_data; 240 char buf[400]; 241 int len = 0; 242 243 len = scnprintf(buf, sizeof(buf), 244 "AC AQL limit low AQL limit high\n" 245 "VO %u %u\n" 246 "VI %u %u\n" 247 "BE %u %u\n" 248 "BK %u %u\n", 249 local->aql_txq_limit_low[IEEE80211_AC_VO], 250 local->aql_txq_limit_high[IEEE80211_AC_VO], 251 local->aql_txq_limit_low[IEEE80211_AC_VI], 252 local->aql_txq_limit_high[IEEE80211_AC_VI], 253 local->aql_txq_limit_low[IEEE80211_AC_BE], 254 local->aql_txq_limit_high[IEEE80211_AC_BE], 255 local->aql_txq_limit_low[IEEE80211_AC_BK], 256 local->aql_txq_limit_high[IEEE80211_AC_BK]); 257 return simple_read_from_buffer(user_buf, count, ppos, 258 buf, len); 259} 260 261static ssize_t aql_txq_limit_write(struct file *file, 262 const char __user *user_buf, 263 size_t count, 264 loff_t *ppos) 265{ 266 struct ieee80211_local *local = file->private_data; 267 char buf[100]; 268 u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old; 269 struct sta_info *sta; 270 271 if (count >= sizeof(buf)) 272 return -EINVAL; 273 274 if (copy_from_user(buf, user_buf, count)) 275 return -EFAULT; 276 277 if (count && buf[count - 1] == '\n') 278 buf[count - 1] = '\0'; 279 else 280 buf[count] = '\0'; 281 282 if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3) 283 return -EINVAL; 284 285 if (ac >= IEEE80211_NUM_ACS) 286 return -EINVAL; 287 288 q_limit_low_old = local->aql_txq_limit_low[ac]; 289 q_limit_high_old = local->aql_txq_limit_high[ac]; 290 291 local->aql_txq_limit_low[ac] = q_limit_low; 292 local->aql_txq_limit_high[ac] = q_limit_high; 293 294 mutex_lock(&local->sta_mtx); 295 list_for_each_entry(sta, &local->sta_list, list) { 296 /* If a sta has customized queue limits, keep it */ 297 if (sta->airtime[ac].aql_limit_low == q_limit_low_old && 298 sta->airtime[ac].aql_limit_high == q_limit_high_old) { 299 sta->airtime[ac].aql_limit_low = q_limit_low; 300 sta->airtime[ac].aql_limit_high = q_limit_high; 301 } 302 } 303 mutex_unlock(&local->sta_mtx); 304 return count; 305} 306 307static const struct file_operations aql_txq_limit_ops = { 308 .write = aql_txq_limit_write, 309 .read = aql_txq_limit_read, 310 .open = simple_open, 311 .llseek = default_llseek, 312}; 313 314static ssize_t aql_enable_read(struct file *file, char __user *user_buf, 315 size_t count, loff_t *ppos) 316{ 317 char buf[3]; 318 int len; 319 320 len = scnprintf(buf, sizeof(buf), "%d\n", 321 !static_key_false(&aql_disable.key)); 322 323 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 324} 325 326static ssize_t aql_enable_write(struct file *file, const char __user *user_buf, 327 size_t count, loff_t *ppos) 328{ 329 bool aql_disabled = static_key_false(&aql_disable.key); 330 char buf[3]; 331 size_t len; 332 333 if (count > sizeof(buf)) 334 return -EINVAL; 335 336 if (copy_from_user(buf, user_buf, count)) 337 return -EFAULT; 338 339 buf[sizeof(buf) - 1] = '\0'; 340 len = strlen(buf); 341 if (len > 0 && buf[len - 1] == '\n') 342 buf[len - 1] = 0; 343 344 if (buf[0] == '0' && buf[1] == '\0') { 345 if (!aql_disabled) 346 static_branch_inc(&aql_disable); 347 } else if (buf[0] == '1' && buf[1] == '\0') { 348 if (aql_disabled) 349 static_branch_dec(&aql_disable); 350 } else { 351 return -EINVAL; 352 } 353 354 return count; 355} 356 357static const struct file_operations aql_enable_ops = { 358 .write = aql_enable_write, 359 .read = aql_enable_read, 360 .open = simple_open, 361 .llseek = default_llseek, 362}; 363 364static ssize_t force_tx_status_read(struct file *file, 365 char __user *user_buf, 366 size_t count, 367 loff_t *ppos) 368{ 369 struct ieee80211_local *local = file->private_data; 370 char buf[3]; 371 int len = 0; 372 373 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status); 374 375 return simple_read_from_buffer(user_buf, count, ppos, 376 buf, len); 377} 378 379static ssize_t force_tx_status_write(struct file *file, 380 const char __user *user_buf, 381 size_t count, 382 loff_t *ppos) 383{ 384 struct ieee80211_local *local = file->private_data; 385 char buf[3]; 386 387 if (count >= sizeof(buf)) 388 return -EINVAL; 389 390 if (copy_from_user(buf, user_buf, count)) 391 return -EFAULT; 392 393 if (count && buf[count - 1] == '\n') 394 buf[count - 1] = '\0'; 395 else 396 buf[count] = '\0'; 397 398 if (buf[0] == '0' && buf[1] == '\0') 399 local->force_tx_status = 0; 400 else if (buf[0] == '1' && buf[1] == '\0') 401 local->force_tx_status = 1; 402 else 403 return -EINVAL; 404 405 return count; 406} 407 408static const struct file_operations force_tx_status_ops = { 409 .write = force_tx_status_write, 410 .read = force_tx_status_read, 411 .open = simple_open, 412 .llseek = default_llseek, 413}; 414 415#ifdef CONFIG_PM 416static ssize_t reset_write(struct file *file, const char __user *user_buf, 417 size_t count, loff_t *ppos) 418{ 419 struct ieee80211_local *local = file->private_data; 420 int ret; 421 422 rtnl_lock(); 423 wiphy_lock(local->hw.wiphy); 424 __ieee80211_suspend(&local->hw, NULL); 425 ret = __ieee80211_resume(&local->hw); 426 wiphy_unlock(local->hw.wiphy); 427 428 if (ret) 429 cfg80211_shutdown_all_interfaces(local->hw.wiphy); 430 431 rtnl_unlock(); 432 433 return count; 434} 435 436static const struct file_operations reset_ops = { 437 .write = reset_write, 438 .open = simple_open, 439 .llseek = noop_llseek, 440}; 441#endif 442 443static const char *hw_flag_names[] = { 444#define FLAG(F) [IEEE80211_HW_##F] = #F 445 FLAG(HAS_RATE_CONTROL), 446 FLAG(RX_INCLUDES_FCS), 447 FLAG(HOST_BROADCAST_PS_BUFFERING), 448 FLAG(SIGNAL_UNSPEC), 449 FLAG(SIGNAL_DBM), 450 FLAG(NEED_DTIM_BEFORE_ASSOC), 451 FLAG(SPECTRUM_MGMT), 452 FLAG(AMPDU_AGGREGATION), 453 FLAG(SUPPORTS_PS), 454 FLAG(PS_NULLFUNC_STACK), 455 FLAG(SUPPORTS_DYNAMIC_PS), 456 FLAG(MFP_CAPABLE), 457 FLAG(WANT_MONITOR_VIF), 458 FLAG(NO_AUTO_VIF), 459 FLAG(SW_CRYPTO_CONTROL), 460 FLAG(SUPPORT_FAST_XMIT), 461 FLAG(REPORTS_TX_ACK_STATUS), 462 FLAG(CONNECTION_MONITOR), 463 FLAG(QUEUE_CONTROL), 464 FLAG(SUPPORTS_PER_STA_GTK), 465 FLAG(AP_LINK_PS), 466 FLAG(TX_AMPDU_SETUP_IN_HW), 467 FLAG(SUPPORTS_RC_TABLE), 468 FLAG(P2P_DEV_ADDR_FOR_INTF), 469 FLAG(TIMING_BEACON_ONLY), 470 FLAG(SUPPORTS_HT_CCK_RATES), 471 FLAG(CHANCTX_STA_CSA), 472 FLAG(SUPPORTS_CLONED_SKBS), 473 FLAG(SINGLE_SCAN_ON_ALL_BANDS), 474 FLAG(TDLS_WIDER_BW), 475 FLAG(SUPPORTS_AMSDU_IN_AMPDU), 476 FLAG(BEACON_TX_STATUS), 477 FLAG(NEEDS_UNIQUE_STA_ADDR), 478 FLAG(SUPPORTS_REORDERING_BUFFER), 479 FLAG(USES_RSS), 480 FLAG(TX_AMSDU), 481 FLAG(TX_FRAG_LIST), 482 FLAG(REPORTS_LOW_ACK), 483 FLAG(SUPPORTS_TX_FRAG), 484 FLAG(SUPPORTS_TDLS_BUFFER_STA), 485 FLAG(DEAUTH_NEED_MGD_TX_PREP), 486 FLAG(DOESNT_SUPPORT_QOS_NDP), 487 FLAG(BUFF_MMPDU_TXQ), 488 FLAG(SUPPORTS_VHT_EXT_NSS_BW), 489 FLAG(STA_MMPDU_TXQ), 490 FLAG(TX_STATUS_NO_AMPDU_LEN), 491 FLAG(SUPPORTS_MULTI_BSSID), 492 FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID), 493 FLAG(AMPDU_KEYBORDER_SUPPORT), 494 FLAG(SUPPORTS_TX_ENCAP_OFFLOAD), 495 FLAG(SUPPORTS_RX_DECAP_OFFLOAD), 496 FLAG(SUPPORTS_CONC_MON_RX_DECAP), 497 FLAG(DETECTS_COLOR_COLLISION), 498 FLAG(MLO_MCAST_MULTI_LINK_TX), 499#undef FLAG 500}; 501 502static ssize_t hwflags_read(struct file *file, char __user *user_buf, 503 size_t count, loff_t *ppos) 504{ 505 struct ieee80211_local *local = file->private_data; 506 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS; 507 char *buf = kzalloc(bufsz, GFP_KERNEL); 508 char *pos = buf, *end = buf + bufsz - 1; 509 ssize_t rv; 510 int i; 511 512 if (!buf) 513 return -ENOMEM; 514 515 /* fail compilation if somebody adds or removes 516 * a flag without updating the name array above 517 */ 518 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS); 519 520 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) { 521 if (test_bit(i, local->hw.flags)) 522 pos += scnprintf(pos, end - pos, "%s\n", 523 hw_flag_names[i]); 524 } 525 526 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 527 kfree(buf); 528 return rv; 529} 530 531static ssize_t misc_read(struct file *file, char __user *user_buf, 532 size_t count, loff_t *ppos) 533{ 534 struct ieee80211_local *local = file->private_data; 535 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */ 536 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9; 537 char *buf; 538 char *pos, *end; 539 ssize_t rv; 540 int i; 541 int ln; 542 543 buf = kzalloc(bufsz, GFP_KERNEL); 544 if (!buf) 545 return -ENOMEM; 546 547 pos = buf; 548 end = buf + bufsz - 1; 549 550 pos += scnprintf(pos, end - pos, "pending:\n"); 551 552 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 553 ln = skb_queue_len(&local->pending[i]); 554 pos += scnprintf(pos, end - pos, "[%i] %d\n", 555 i, ln); 556 } 557 558 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 559 kfree(buf); 560 return rv; 561} 562 563static ssize_t queues_read(struct file *file, char __user *user_buf, 564 size_t count, loff_t *ppos) 565{ 566 struct ieee80211_local *local = file->private_data; 567 unsigned long flags; 568 char buf[IEEE80211_MAX_QUEUES * 20]; 569 int q, res = 0; 570 571 spin_lock_irqsave(&local->queue_stop_reason_lock, flags); 572 for (q = 0; q < local->hw.queues; q++) 573 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q, 574 local->queue_stop_reasons[q], 575 skb_queue_len(&local->pending[q])); 576 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); 577 578 return simple_read_from_buffer(user_buf, count, ppos, buf, res); 579} 580 581DEBUGFS_READONLY_FILE_OPS(hwflags); 582DEBUGFS_READONLY_FILE_OPS(queues); 583DEBUGFS_READONLY_FILE_OPS(misc); 584 585/* statistics stuff */ 586 587static ssize_t format_devstat_counter(struct ieee80211_local *local, 588 char __user *userbuf, 589 size_t count, loff_t *ppos, 590 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf, 591 int buflen)) 592{ 593 struct ieee80211_low_level_stats stats; 594 char buf[20]; 595 int res; 596 597 rtnl_lock(); 598 res = drv_get_stats(local, &stats); 599 rtnl_unlock(); 600 if (res) 601 return res; 602 res = printvalue(&stats, buf, sizeof(buf)); 603 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 604} 605 606#define DEBUGFS_DEVSTATS_FILE(name) \ 607static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\ 608 char *buf, int buflen) \ 609{ \ 610 return scnprintf(buf, buflen, "%u\n", stats->name); \ 611} \ 612static ssize_t stats_ ##name## _read(struct file *file, \ 613 char __user *userbuf, \ 614 size_t count, loff_t *ppos) \ 615{ \ 616 return format_devstat_counter(file->private_data, \ 617 userbuf, \ 618 count, \ 619 ppos, \ 620 print_devstats_##name); \ 621} \ 622 \ 623static const struct file_operations stats_ ##name## _ops = { \ 624 .read = stats_ ##name## _read, \ 625 .open = simple_open, \ 626 .llseek = generic_file_llseek, \ 627}; 628 629#ifdef CONFIG_MAC80211_DEBUG_COUNTERS 630#define DEBUGFS_STATS_ADD(name) \ 631 debugfs_create_u32(#name, 0400, statsd, &local->name); 632#endif 633#define DEBUGFS_DEVSTATS_ADD(name) \ 634 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops); 635 636DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount); 637DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount); 638DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount); 639DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount); 640 641void debugfs_hw_add(struct ieee80211_local *local) 642{ 643 struct dentry *phyd = local->hw.wiphy->debugfsdir; 644 struct dentry *statsd; 645 646 if (!phyd) 647 return; 648 649 local->debugfs.keys = debugfs_create_dir("keys", phyd); 650 651 DEBUGFS_ADD(total_ps_buffered); 652 DEBUGFS_ADD(wep_iv); 653 DEBUGFS_ADD(rate_ctrl_alg); 654 DEBUGFS_ADD(queues); 655 DEBUGFS_ADD(misc); 656#ifdef CONFIG_PM 657 DEBUGFS_ADD_MODE(reset, 0200); 658#endif 659 DEBUGFS_ADD(hwflags); 660 DEBUGFS_ADD(user_power); 661 DEBUGFS_ADD(power); 662 DEBUGFS_ADD(hw_conf); 663 DEBUGFS_ADD_MODE(force_tx_status, 0600); 664 DEBUGFS_ADD_MODE(aql_enable, 0600); 665 DEBUGFS_ADD(aql_pending); 666 DEBUGFS_ADD_MODE(aqm, 0600); 667 668 DEBUGFS_ADD_MODE(airtime_flags, 0600); 669 670 DEBUGFS_ADD(aql_txq_limit); 671 debugfs_create_u32("aql_threshold", 0600, 672 phyd, &local->aql_threshold); 673 674 statsd = debugfs_create_dir("statistics", phyd); 675 676#ifdef CONFIG_MAC80211_DEBUG_COUNTERS 677 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount); 678 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount); 679 DEBUGFS_STATS_ADD(dot11FailedCount); 680 DEBUGFS_STATS_ADD(dot11RetryCount); 681 DEBUGFS_STATS_ADD(dot11MultipleRetryCount); 682 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount); 683 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount); 684 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount); 685 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount); 686 DEBUGFS_STATS_ADD(tx_handlers_drop); 687 DEBUGFS_STATS_ADD(tx_handlers_queued); 688 DEBUGFS_STATS_ADD(tx_handlers_drop_wep); 689 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc); 690 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port); 691 DEBUGFS_STATS_ADD(rx_handlers_drop); 692 DEBUGFS_STATS_ADD(rx_handlers_queued); 693 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc); 694 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag); 695 DEBUGFS_STATS_ADD(tx_expand_skb_head); 696 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned); 697 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag); 698 DEBUGFS_STATS_ADD(rx_handlers_fragments); 699 DEBUGFS_STATS_ADD(tx_status_drop); 700#endif 701 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount); 702 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount); 703 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount); 704 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount); 705} 706