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 aql_disabled = static_key_false(&aql_disable.key); 324 char buf[3]; 325 size_t len; 326 327 if (count > sizeof(buf)) 328 return -EINVAL; 329 330 if (copy_from_user(buf, user_buf, count)) 331 return -EFAULT; 332 333 buf[sizeof(buf) - 1] = '\0'; 334 len = strlen(buf); 335 if (len > 0 && buf[len - 1] == '\n') 336 buf[len - 1] = 0; 337 338 if (buf[0] == '0' && buf[1] == '\0') { 339 if (!aql_disabled) 340 static_branch_inc(&aql_disable); 341 } else if (buf[0] == '1' && buf[1] == '\0') { 342 if (aql_disabled) 343 static_branch_dec(&aql_disable); 344 } else { 345 return -EINVAL; 346 } 347 348 return count; 349 } 350 351 static const struct debugfs_short_fops aql_enable_ops = { 352 .write = aql_enable_write, 353 .read = aql_enable_read, 354 .llseek = default_llseek, 355 }; 356 357 static ssize_t force_tx_status_read(struct file *file, 358 char __user *user_buf, 359 size_t count, 360 loff_t *ppos) 361 { 362 struct ieee80211_local *local = file->private_data; 363 char buf[3]; 364 int len = 0; 365 366 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status); 367 368 return simple_read_from_buffer(user_buf, count, ppos, 369 buf, len); 370 } 371 372 static ssize_t force_tx_status_write(struct file *file, 373 const char __user *user_buf, 374 size_t count, 375 loff_t *ppos) 376 { 377 struct ieee80211_local *local = file->private_data; 378 char buf[3]; 379 380 if (count >= sizeof(buf)) 381 return -EINVAL; 382 383 if (copy_from_user(buf, user_buf, count)) 384 return -EFAULT; 385 386 if (count && buf[count - 1] == '\n') 387 buf[count - 1] = '\0'; 388 else 389 buf[count] = '\0'; 390 391 if (buf[0] == '0' && buf[1] == '\0') 392 local->force_tx_status = 0; 393 else if (buf[0] == '1' && buf[1] == '\0') 394 local->force_tx_status = 1; 395 else 396 return -EINVAL; 397 398 return count; 399 } 400 401 static const struct debugfs_short_fops force_tx_status_ops = { 402 .write = force_tx_status_write, 403 .read = force_tx_status_read, 404 .llseek = default_llseek, 405 }; 406 407 #ifdef CONFIG_PM 408 static ssize_t reset_write(struct file *file, const char __user *user_buf, 409 size_t count, loff_t *ppos) 410 { 411 struct ieee80211_local *local = file->private_data; 412 int ret; 413 414 rtnl_lock(); 415 wiphy_lock(local->hw.wiphy); 416 __ieee80211_suspend(&local->hw, NULL); 417 ret = __ieee80211_resume(&local->hw); 418 wiphy_unlock(local->hw.wiphy); 419 420 if (ret) 421 cfg80211_shutdown_all_interfaces(local->hw.wiphy); 422 423 rtnl_unlock(); 424 425 return count; 426 } 427 428 static const struct debugfs_short_fops reset_ops = { 429 .write = reset_write, 430 .llseek = noop_llseek, 431 }; 432 #endif 433 434 static const char *hw_flag_names[] = { 435 #define FLAG(F) [IEEE80211_HW_##F] = #F 436 FLAG(HAS_RATE_CONTROL), 437 FLAG(RX_INCLUDES_FCS), 438 FLAG(HOST_BROADCAST_PS_BUFFERING), 439 FLAG(SIGNAL_UNSPEC), 440 FLAG(SIGNAL_DBM), 441 FLAG(NEED_DTIM_BEFORE_ASSOC), 442 FLAG(SPECTRUM_MGMT), 443 FLAG(AMPDU_AGGREGATION), 444 FLAG(SUPPORTS_PS), 445 FLAG(PS_NULLFUNC_STACK), 446 FLAG(SUPPORTS_DYNAMIC_PS), 447 FLAG(MFP_CAPABLE), 448 FLAG(WANT_MONITOR_VIF), 449 FLAG(NO_VIRTUAL_MONITOR), 450 FLAG(NO_AUTO_VIF), 451 FLAG(SW_CRYPTO_CONTROL), 452 FLAG(SUPPORT_FAST_XMIT), 453 FLAG(REPORTS_TX_ACK_STATUS), 454 FLAG(CONNECTION_MONITOR), 455 FLAG(QUEUE_CONTROL), 456 FLAG(SUPPORTS_PER_STA_GTK), 457 FLAG(AP_LINK_PS), 458 FLAG(TX_AMPDU_SETUP_IN_HW), 459 FLAG(SUPPORTS_RC_TABLE), 460 FLAG(P2P_DEV_ADDR_FOR_INTF), 461 FLAG(TIMING_BEACON_ONLY), 462 FLAG(SUPPORTS_HT_CCK_RATES), 463 FLAG(CHANCTX_STA_CSA), 464 FLAG(SUPPORTS_CLONED_SKBS), 465 FLAG(SINGLE_SCAN_ON_ALL_BANDS), 466 FLAG(TDLS_WIDER_BW), 467 FLAG(SUPPORTS_AMSDU_IN_AMPDU), 468 FLAG(BEACON_TX_STATUS), 469 FLAG(NEEDS_UNIQUE_STA_ADDR), 470 FLAG(SUPPORTS_REORDERING_BUFFER), 471 FLAG(USES_RSS), 472 FLAG(TX_AMSDU), 473 FLAG(TX_FRAG_LIST), 474 FLAG(REPORTS_LOW_ACK), 475 FLAG(SUPPORTS_TX_FRAG), 476 FLAG(SUPPORTS_TDLS_BUFFER_STA), 477 FLAG(DOESNT_SUPPORT_QOS_NDP), 478 FLAG(BUFF_MMPDU_TXQ), 479 FLAG(SUPPORTS_VHT_EXT_NSS_BW), 480 FLAG(STA_MMPDU_TXQ), 481 FLAG(TX_STATUS_NO_AMPDU_LEN), 482 FLAG(SUPPORTS_MULTI_BSSID), 483 FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID), 484 FLAG(AMPDU_KEYBORDER_SUPPORT), 485 FLAG(SUPPORTS_TX_ENCAP_OFFLOAD), 486 FLAG(SUPPORTS_RX_DECAP_OFFLOAD), 487 FLAG(SUPPORTS_CONC_MON_RX_DECAP), 488 FLAG(DETECTS_COLOR_COLLISION), 489 FLAG(MLO_MCAST_MULTI_LINK_TX), 490 FLAG(DISALLOW_PUNCTURING), 491 FLAG(HANDLES_QUIET_CSA), 492 FLAG(STRICT), 493 #undef FLAG 494 }; 495 496 static ssize_t hwflags_read(struct file *file, char __user *user_buf, 497 size_t count, loff_t *ppos) 498 { 499 struct ieee80211_local *local = file->private_data; 500 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS; 501 char *buf = kzalloc(bufsz, GFP_KERNEL); 502 char *pos = buf, *end = buf + bufsz - 1; 503 ssize_t rv; 504 int i; 505 506 if (!buf) 507 return -ENOMEM; 508 509 /* fail compilation if somebody adds or removes 510 * a flag without updating the name array above 511 */ 512 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS); 513 514 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) { 515 if (test_bit(i, local->hw.flags)) 516 pos += scnprintf(pos, end - pos, "%s\n", 517 hw_flag_names[i]); 518 } 519 520 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 521 kfree(buf); 522 return rv; 523 } 524 525 static ssize_t hwflags_write(struct file *file, const char __user *user_buf, 526 size_t count, loff_t *ppos) 527 { 528 struct ieee80211_local *local = file->private_data; 529 char buf[100]; 530 int val; 531 532 if (count >= sizeof(buf)) 533 return -EINVAL; 534 535 if (copy_from_user(buf, user_buf, count)) 536 return -EFAULT; 537 538 if (count && buf[count - 1] == '\n') 539 buf[count - 1] = '\0'; 540 else 541 buf[count] = '\0'; 542 543 if (sscanf(buf, "strict=%d", &val) == 1) { 544 switch (val) { 545 case 0: 546 ieee80211_hw_set(&local->hw, STRICT); 547 return count; 548 case 1: 549 __clear_bit(IEEE80211_HW_STRICT, local->hw.flags); 550 return count; 551 default: 552 return -EINVAL; 553 } 554 } 555 556 return -EINVAL; 557 } 558 559 static const struct file_operations hwflags_ops = { 560 .open = simple_open, 561 .read = hwflags_read, 562 .write = hwflags_write, 563 }; 564 565 static ssize_t misc_read(struct file *file, char __user *user_buf, 566 size_t count, loff_t *ppos) 567 { 568 struct ieee80211_local *local = file->private_data; 569 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */ 570 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9; 571 char *buf; 572 char *pos, *end; 573 ssize_t rv; 574 int i; 575 int ln; 576 577 buf = kzalloc(bufsz, GFP_KERNEL); 578 if (!buf) 579 return -ENOMEM; 580 581 pos = buf; 582 end = buf + bufsz - 1; 583 584 pos += scnprintf(pos, end - pos, "pending:\n"); 585 586 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 587 ln = skb_queue_len(&local->pending[i]); 588 pos += scnprintf(pos, end - pos, "[%i] %d\n", 589 i, ln); 590 } 591 592 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 593 kfree(buf); 594 return rv; 595 } 596 597 static ssize_t queues_read(struct file *file, char __user *user_buf, 598 size_t count, loff_t *ppos) 599 { 600 struct ieee80211_local *local = file->private_data; 601 unsigned long flags; 602 char buf[IEEE80211_MAX_QUEUES * 20]; 603 int q, res = 0; 604 605 spin_lock_irqsave(&local->queue_stop_reason_lock, flags); 606 for (q = 0; q < local->hw.queues; q++) 607 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q, 608 local->queue_stop_reasons[q], 609 skb_queue_len(&local->pending[q])); 610 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); 611 612 return simple_read_from_buffer(user_buf, count, ppos, buf, res); 613 } 614 615 DEBUGFS_READONLY_FILE_OPS(queues); 616 DEBUGFS_READONLY_FILE_OPS(misc); 617 618 /* statistics stuff */ 619 620 static ssize_t format_devstat_counter(struct ieee80211_local *local, 621 char __user *userbuf, 622 size_t count, loff_t *ppos, 623 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf, 624 int buflen)) 625 { 626 struct ieee80211_low_level_stats stats; 627 char buf[20]; 628 int res; 629 630 wiphy_lock(local->hw.wiphy); 631 res = drv_get_stats(local, &stats); 632 wiphy_unlock(local->hw.wiphy); 633 if (res) 634 return res; 635 res = printvalue(&stats, buf, sizeof(buf)); 636 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 637 } 638 639 #define DEBUGFS_DEVSTATS_FILE(name) \ 640 static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\ 641 char *buf, int buflen) \ 642 { \ 643 return scnprintf(buf, buflen, "%u\n", stats->name); \ 644 } \ 645 static ssize_t stats_ ##name## _read(struct file *file, \ 646 char __user *userbuf, \ 647 size_t count, loff_t *ppos) \ 648 { \ 649 return format_devstat_counter(file->private_data, \ 650 userbuf, \ 651 count, \ 652 ppos, \ 653 print_devstats_##name); \ 654 } \ 655 \ 656 static const struct debugfs_short_fops stats_ ##name## _ops = { \ 657 .read = stats_ ##name## _read, \ 658 .llseek = generic_file_llseek, \ 659 }; 660 661 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 662 #define DEBUGFS_STATS_ADD(name) \ 663 debugfs_create_u32(#name, 0400, statsd, &local->name); 664 #endif 665 #define DEBUGFS_DEVSTATS_ADD(name) \ 666 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops); 667 668 DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount); 669 DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount); 670 DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount); 671 DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount); 672 673 void debugfs_hw_add(struct ieee80211_local *local) 674 { 675 struct dentry *phyd = local->hw.wiphy->debugfsdir; 676 struct dentry *statsd; 677 678 if (!phyd) 679 return; 680 681 local->debugfs.keys = debugfs_create_dir("keys", phyd); 682 683 DEBUGFS_ADD(total_ps_buffered); 684 DEBUGFS_ADD(wep_iv); 685 DEBUGFS_ADD(rate_ctrl_alg); 686 DEBUGFS_ADD(queues); 687 DEBUGFS_ADD(misc); 688 #ifdef CONFIG_PM 689 DEBUGFS_ADD_MODE(reset, 0200); 690 #endif 691 DEBUGFS_ADD_MODE(hwflags, 0600); 692 DEBUGFS_ADD(user_power); 693 DEBUGFS_ADD(power); 694 DEBUGFS_ADD(hw_conf); 695 DEBUGFS_ADD_MODE(force_tx_status, 0600); 696 DEBUGFS_ADD_MODE(aql_enable, 0600); 697 DEBUGFS_ADD(aql_pending); 698 DEBUGFS_ADD_MODE(aqm, 0600); 699 700 DEBUGFS_ADD_MODE(airtime_flags, 0600); 701 702 DEBUGFS_ADD(aql_txq_limit); 703 debugfs_create_u32("aql_threshold", 0600, 704 phyd, &local->aql_threshold); 705 706 statsd = debugfs_create_dir("statistics", phyd); 707 708 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 709 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount); 710 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount); 711 DEBUGFS_STATS_ADD(dot11FailedCount); 712 DEBUGFS_STATS_ADD(dot11RetryCount); 713 DEBUGFS_STATS_ADD(dot11MultipleRetryCount); 714 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount); 715 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount); 716 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount); 717 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount); 718 DEBUGFS_STATS_ADD(tx_handlers_queued); 719 DEBUGFS_STATS_ADD(tx_handlers_drop_wep); 720 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc); 721 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port); 722 DEBUGFS_STATS_ADD(rx_handlers_drop); 723 DEBUGFS_STATS_ADD(rx_handlers_queued); 724 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc); 725 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag); 726 DEBUGFS_STATS_ADD(tx_expand_skb_head); 727 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned); 728 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag); 729 DEBUGFS_STATS_ADD(rx_handlers_fragments); 730 DEBUGFS_STATS_ADD(tx_status_drop); 731 #endif 732 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount); 733 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount); 734 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount); 735 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount); 736 } 737