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 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 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 62 DEBUGFS_READONLY_FILE(hw_conf, "%x", 63 local->hw.conf.flags); 64 DEBUGFS_READONLY_FILE(user_power, "%d", 65 local->user_power_level); 66 DEBUGFS_READONLY_FILE(power, "%d", 67 local->hw.conf.power_level); 68 DEBUGFS_READONLY_FILE(total_ps_buffered, "%d", 69 local->total_ps_buffered); 70 DEBUGFS_READONLY_FILE(wep_iv, "%#08x", 71 local->wep_iv & 0xffffff); 72 DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s", 73 local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver"); 74 75 static 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 } 115 116 static 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 } 144 145 static const struct file_operations aqm_ops = { 146 .write = aqm_write, 147 .read = aqm_read, 148 .open = simple_open, 149 .llseek = default_llseek, 150 }; 151 152 static 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 } 172 173 static 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 } 196 197 static 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 }; 203 204 static ssize_t aql_txq_limit_read(struct file *file, 205 char __user *user_buf, 206 size_t count, 207 loff_t *ppos) 208 { 209 struct ieee80211_local *local = file->private_data; 210 char buf[400]; 211 int len = 0; 212 213 len = scnprintf(buf, sizeof(buf), 214 "AC AQL limit low AQL limit high\n" 215 "VO %u %u\n" 216 "VI %u %u\n" 217 "BE %u %u\n" 218 "BK %u %u\n", 219 local->airtime[IEEE80211_AC_VO].aql_txq_limit_low, 220 local->airtime[IEEE80211_AC_VO].aql_txq_limit_high, 221 local->airtime[IEEE80211_AC_VI].aql_txq_limit_low, 222 local->airtime[IEEE80211_AC_VI].aql_txq_limit_high, 223 local->airtime[IEEE80211_AC_BE].aql_txq_limit_low, 224 local->airtime[IEEE80211_AC_BE].aql_txq_limit_high, 225 local->airtime[IEEE80211_AC_BK].aql_txq_limit_low, 226 local->airtime[IEEE80211_AC_BK].aql_txq_limit_high); 227 return simple_read_from_buffer(user_buf, count, ppos, 228 buf, len); 229 } 230 231 static ssize_t aql_txq_limit_write(struct file *file, 232 const char __user *user_buf, 233 size_t count, 234 loff_t *ppos) 235 { 236 struct ieee80211_local *local = file->private_data; 237 char buf[100]; 238 u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old; 239 struct sta_info *sta; 240 241 if (count >= sizeof(buf)) 242 return -EINVAL; 243 244 if (copy_from_user(buf, user_buf, count)) 245 return -EFAULT; 246 247 if (count && buf[count - 1] == '\n') 248 buf[count - 1] = '\0'; 249 else 250 buf[count] = '\0'; 251 252 if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3) 253 return -EINVAL; 254 255 if (ac >= IEEE80211_NUM_ACS) 256 return -EINVAL; 257 258 q_limit_low_old = local->airtime[ac].aql_txq_limit_low; 259 q_limit_high_old = local->airtime[ac].aql_txq_limit_high; 260 261 local->airtime[ac].aql_txq_limit_low = q_limit_low; 262 local->airtime[ac].aql_txq_limit_high = q_limit_high; 263 264 mutex_lock(&local->sta_mtx); 265 list_for_each_entry(sta, &local->sta_list, list) { 266 /* If a sta has customized queue limits, keep it */ 267 if (sta->airtime[ac].aql_limit_low == q_limit_low_old && 268 sta->airtime[ac].aql_limit_high == q_limit_high_old) { 269 sta->airtime[ac].aql_limit_low = q_limit_low; 270 sta->airtime[ac].aql_limit_high = q_limit_high; 271 } 272 } 273 mutex_unlock(&local->sta_mtx); 274 return count; 275 } 276 277 static const struct file_operations aql_txq_limit_ops = { 278 .write = aql_txq_limit_write, 279 .read = aql_txq_limit_read, 280 .open = simple_open, 281 .llseek = default_llseek, 282 }; 283 284 static ssize_t aql_enable_read(struct file *file, char __user *user_buf, 285 size_t count, loff_t *ppos) 286 { 287 char buf[3]; 288 int len; 289 290 len = scnprintf(buf, sizeof(buf), "%d\n", 291 !static_key_false(&aql_disable.key)); 292 293 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 294 } 295 296 static ssize_t aql_enable_write(struct file *file, const char __user *user_buf, 297 size_t count, loff_t *ppos) 298 { 299 bool aql_disabled = static_key_false(&aql_disable.key); 300 char buf[3]; 301 size_t len; 302 303 if (count > sizeof(buf)) 304 return -EINVAL; 305 306 if (copy_from_user(buf, user_buf, count)) 307 return -EFAULT; 308 309 buf[sizeof(buf) - 1] = '\0'; 310 len = strlen(buf); 311 if (len > 0 && buf[len - 1] == '\n') 312 buf[len - 1] = 0; 313 314 if (buf[0] == '0' && buf[1] == '\0') { 315 if (!aql_disabled) 316 static_branch_inc(&aql_disable); 317 } else if (buf[0] == '1' && buf[1] == '\0') { 318 if (aql_disabled) 319 static_branch_dec(&aql_disable); 320 } else { 321 return -EINVAL; 322 } 323 324 return count; 325 } 326 327 static const struct file_operations aql_enable_ops = { 328 .write = aql_enable_write, 329 .read = aql_enable_read, 330 .open = simple_open, 331 .llseek = default_llseek, 332 }; 333 334 static ssize_t force_tx_status_read(struct file *file, 335 char __user *user_buf, 336 size_t count, 337 loff_t *ppos) 338 { 339 struct ieee80211_local *local = file->private_data; 340 char buf[3]; 341 int len = 0; 342 343 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status); 344 345 return simple_read_from_buffer(user_buf, count, ppos, 346 buf, len); 347 } 348 349 static ssize_t force_tx_status_write(struct file *file, 350 const char __user *user_buf, 351 size_t count, 352 loff_t *ppos) 353 { 354 struct ieee80211_local *local = file->private_data; 355 char buf[3]; 356 357 if (count >= sizeof(buf)) 358 return -EINVAL; 359 360 if (copy_from_user(buf, user_buf, count)) 361 return -EFAULT; 362 363 if (count && buf[count - 1] == '\n') 364 buf[count - 1] = '\0'; 365 else 366 buf[count] = '\0'; 367 368 if (buf[0] == '0' && buf[1] == '\0') 369 local->force_tx_status = 0; 370 else if (buf[0] == '1' && buf[1] == '\0') 371 local->force_tx_status = 1; 372 else 373 return -EINVAL; 374 375 return count; 376 } 377 378 static const struct file_operations force_tx_status_ops = { 379 .write = force_tx_status_write, 380 .read = force_tx_status_read, 381 .open = simple_open, 382 .llseek = default_llseek, 383 }; 384 385 static ssize_t airtime_read(struct file *file, 386 char __user *user_buf, 387 size_t count, 388 loff_t *ppos) 389 { 390 struct ieee80211_local *local = file->private_data; 391 char buf[200]; 392 u64 v_t[IEEE80211_NUM_ACS]; 393 u64 wt[IEEE80211_NUM_ACS]; 394 int len = 0, ac; 395 396 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 397 spin_lock_bh(&local->airtime[ac].lock); 398 v_t[ac] = local->airtime[ac].v_t; 399 wt[ac] = local->airtime[ac].weight_sum; 400 spin_unlock_bh(&local->airtime[ac].lock); 401 } 402 len = scnprintf(buf, sizeof(buf), 403 "\tVO VI BE BK\n" 404 "Virt-t\t%-10llu %-10llu %-10llu %-10llu\n" 405 "Weight\t%-10llu %-10llu %-10llu %-10llu\n", 406 v_t[0], 407 v_t[1], 408 v_t[2], 409 v_t[3], 410 wt[0], 411 wt[1], 412 wt[2], 413 wt[3]); 414 415 return simple_read_from_buffer(user_buf, count, ppos, 416 buf, len); 417 } 418 419 static const struct file_operations airtime_ops = { 420 .read = airtime_read, 421 .open = simple_open, 422 .llseek = default_llseek, 423 }; 424 425 #ifdef CONFIG_PM 426 static ssize_t reset_write(struct file *file, const char __user *user_buf, 427 size_t count, loff_t *ppos) 428 { 429 struct ieee80211_local *local = file->private_data; 430 int ret; 431 432 rtnl_lock(); 433 wiphy_lock(local->hw.wiphy); 434 __ieee80211_suspend(&local->hw, NULL); 435 ret = __ieee80211_resume(&local->hw); 436 wiphy_unlock(local->hw.wiphy); 437 438 if (ret) 439 cfg80211_shutdown_all_interfaces(local->hw.wiphy); 440 441 rtnl_unlock(); 442 443 return count; 444 } 445 446 static const struct file_operations reset_ops = { 447 .write = reset_write, 448 .open = simple_open, 449 .llseek = noop_llseek, 450 }; 451 #endif 452 453 static const char *hw_flag_names[] = { 454 #define FLAG(F) [IEEE80211_HW_##F] = #F 455 FLAG(HAS_RATE_CONTROL), 456 FLAG(RX_INCLUDES_FCS), 457 FLAG(HOST_BROADCAST_PS_BUFFERING), 458 FLAG(SIGNAL_UNSPEC), 459 FLAG(SIGNAL_DBM), 460 FLAG(NEED_DTIM_BEFORE_ASSOC), 461 FLAG(SPECTRUM_MGMT), 462 FLAG(AMPDU_AGGREGATION), 463 FLAG(SUPPORTS_PS), 464 FLAG(PS_NULLFUNC_STACK), 465 FLAG(SUPPORTS_DYNAMIC_PS), 466 FLAG(MFP_CAPABLE), 467 FLAG(WANT_MONITOR_VIF), 468 FLAG(NO_AUTO_VIF), 469 FLAG(SW_CRYPTO_CONTROL), 470 FLAG(SUPPORT_FAST_XMIT), 471 FLAG(REPORTS_TX_ACK_STATUS), 472 FLAG(CONNECTION_MONITOR), 473 FLAG(QUEUE_CONTROL), 474 FLAG(SUPPORTS_PER_STA_GTK), 475 FLAG(AP_LINK_PS), 476 FLAG(TX_AMPDU_SETUP_IN_HW), 477 FLAG(SUPPORTS_RC_TABLE), 478 FLAG(P2P_DEV_ADDR_FOR_INTF), 479 FLAG(TIMING_BEACON_ONLY), 480 FLAG(SUPPORTS_HT_CCK_RATES), 481 FLAG(CHANCTX_STA_CSA), 482 FLAG(SUPPORTS_CLONED_SKBS), 483 FLAG(SINGLE_SCAN_ON_ALL_BANDS), 484 FLAG(TDLS_WIDER_BW), 485 FLAG(SUPPORTS_AMSDU_IN_AMPDU), 486 FLAG(BEACON_TX_STATUS), 487 FLAG(NEEDS_UNIQUE_STA_ADDR), 488 FLAG(SUPPORTS_REORDERING_BUFFER), 489 FLAG(USES_RSS), 490 FLAG(TX_AMSDU), 491 FLAG(TX_FRAG_LIST), 492 FLAG(REPORTS_LOW_ACK), 493 FLAG(SUPPORTS_TX_FRAG), 494 FLAG(SUPPORTS_TDLS_BUFFER_STA), 495 FLAG(DEAUTH_NEED_MGD_TX_PREP), 496 FLAG(DOESNT_SUPPORT_QOS_NDP), 497 FLAG(BUFF_MMPDU_TXQ), 498 FLAG(SUPPORTS_VHT_EXT_NSS_BW), 499 FLAG(STA_MMPDU_TXQ), 500 FLAG(TX_STATUS_NO_AMPDU_LEN), 501 FLAG(SUPPORTS_MULTI_BSSID), 502 FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID), 503 FLAG(AMPDU_KEYBORDER_SUPPORT), 504 FLAG(SUPPORTS_TX_ENCAP_OFFLOAD), 505 FLAG(SUPPORTS_RX_DECAP_OFFLOAD), 506 FLAG(SUPPORTS_CONC_MON_RX_DECAP), 507 #undef FLAG 508 }; 509 510 static ssize_t hwflags_read(struct file *file, char __user *user_buf, 511 size_t count, loff_t *ppos) 512 { 513 struct ieee80211_local *local = file->private_data; 514 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS; 515 char *buf = kzalloc(bufsz, GFP_KERNEL); 516 char *pos = buf, *end = buf + bufsz - 1; 517 ssize_t rv; 518 int i; 519 520 if (!buf) 521 return -ENOMEM; 522 523 /* fail compilation if somebody adds or removes 524 * a flag without updating the name array above 525 */ 526 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS); 527 528 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) { 529 if (test_bit(i, local->hw.flags)) 530 pos += scnprintf(pos, end - pos, "%s\n", 531 hw_flag_names[i]); 532 } 533 534 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 535 kfree(buf); 536 return rv; 537 } 538 539 static ssize_t misc_read(struct file *file, char __user *user_buf, 540 size_t count, loff_t *ppos) 541 { 542 struct ieee80211_local *local = file->private_data; 543 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */ 544 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9; 545 char *buf; 546 char *pos, *end; 547 ssize_t rv; 548 int i; 549 int ln; 550 551 buf = kzalloc(bufsz, GFP_KERNEL); 552 if (!buf) 553 return -ENOMEM; 554 555 pos = buf; 556 end = buf + bufsz - 1; 557 558 pos += scnprintf(pos, end - pos, "pending:\n"); 559 560 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 561 ln = skb_queue_len(&local->pending[i]); 562 pos += scnprintf(pos, end - pos, "[%i] %d\n", 563 i, ln); 564 } 565 566 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 567 kfree(buf); 568 return rv; 569 } 570 571 static ssize_t queues_read(struct file *file, char __user *user_buf, 572 size_t count, loff_t *ppos) 573 { 574 struct ieee80211_local *local = file->private_data; 575 unsigned long flags; 576 char buf[IEEE80211_MAX_QUEUES * 20]; 577 int q, res = 0; 578 579 spin_lock_irqsave(&local->queue_stop_reason_lock, flags); 580 for (q = 0; q < local->hw.queues; q++) 581 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q, 582 local->queue_stop_reasons[q], 583 skb_queue_len(&local->pending[q])); 584 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); 585 586 return simple_read_from_buffer(user_buf, count, ppos, buf, res); 587 } 588 589 DEBUGFS_READONLY_FILE_OPS(hwflags); 590 DEBUGFS_READONLY_FILE_OPS(queues); 591 DEBUGFS_READONLY_FILE_OPS(misc); 592 593 /* statistics stuff */ 594 595 static ssize_t format_devstat_counter(struct ieee80211_local *local, 596 char __user *userbuf, 597 size_t count, loff_t *ppos, 598 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf, 599 int buflen)) 600 { 601 struct ieee80211_low_level_stats stats; 602 char buf[20]; 603 int res; 604 605 rtnl_lock(); 606 res = drv_get_stats(local, &stats); 607 rtnl_unlock(); 608 if (res) 609 return res; 610 res = printvalue(&stats, buf, sizeof(buf)); 611 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 612 } 613 614 #define DEBUGFS_DEVSTATS_FILE(name) \ 615 static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\ 616 char *buf, int buflen) \ 617 { \ 618 return scnprintf(buf, buflen, "%u\n", stats->name); \ 619 } \ 620 static ssize_t stats_ ##name## _read(struct file *file, \ 621 char __user *userbuf, \ 622 size_t count, loff_t *ppos) \ 623 { \ 624 return format_devstat_counter(file->private_data, \ 625 userbuf, \ 626 count, \ 627 ppos, \ 628 print_devstats_##name); \ 629 } \ 630 \ 631 static const struct file_operations stats_ ##name## _ops = { \ 632 .read = stats_ ##name## _read, \ 633 .open = simple_open, \ 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(hwflags); 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); 673 674 if (local->ops->wake_tx_queue) 675 DEBUGFS_ADD_MODE(aqm, 0600); 676 677 if (wiphy_ext_feature_isset(local->hw.wiphy, 678 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) { 679 DEBUGFS_ADD_MODE(airtime, 0600); 680 DEBUGFS_ADD_MODE(airtime_flags, 0600); 681 } 682 683 DEBUGFS_ADD(aql_txq_limit); 684 debugfs_create_u32("aql_threshold", 0600, 685 phyd, &local->aql_threshold); 686 687 statsd = debugfs_create_dir("statistics", phyd); 688 689 /* if the dir failed, don't put all the other things into the root! */ 690 if (!statsd) 691 return; 692 693 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 694 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount); 695 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount); 696 DEBUGFS_STATS_ADD(dot11FailedCount); 697 DEBUGFS_STATS_ADD(dot11RetryCount); 698 DEBUGFS_STATS_ADD(dot11MultipleRetryCount); 699 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount); 700 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount); 701 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount); 702 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount); 703 DEBUGFS_STATS_ADD(tx_handlers_drop); 704 DEBUGFS_STATS_ADD(tx_handlers_queued); 705 DEBUGFS_STATS_ADD(tx_handlers_drop_wep); 706 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc); 707 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port); 708 DEBUGFS_STATS_ADD(rx_handlers_drop); 709 DEBUGFS_STATS_ADD(rx_handlers_queued); 710 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc); 711 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag); 712 DEBUGFS_STATS_ADD(tx_expand_skb_head); 713 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned); 714 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag); 715 DEBUGFS_STATS_ADD(rx_handlers_fragments); 716 DEBUGFS_STATS_ADD(tx_status_drop); 717 #endif 718 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount); 719 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount); 720 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount); 721 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount); 722 } 723