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, 2021-2024 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 rcu_read_lock(); 86 87 len = scnprintf(buf, sizeof(buf), 88 "access name value\n" 89 "R fq_flows_cnt %u\n" 90 "R fq_backlog %u\n" 91 "R fq_overlimit %u\n" 92 "R fq_overmemory %u\n" 93 "R fq_collisions %u\n" 94 "R fq_memory_usage %u\n" 95 "RW fq_memory_limit %u\n" 96 "RW fq_limit %u\n" 97 "RW fq_quantum %u\n", 98 fq->flows_cnt, 99 fq->backlog, 100 fq->overmemory, 101 fq->overlimit, 102 fq->collisions, 103 fq->memory_usage, 104 fq->memory_limit, 105 fq->limit, 106 fq->quantum); 107 108 rcu_read_unlock(); 109 spin_unlock_bh(&local->fq.lock); 110 111 return simple_read_from_buffer(user_buf, count, ppos, 112 buf, len); 113 } 114 115 static ssize_t aqm_write(struct file *file, 116 const char __user *user_buf, 117 size_t count, 118 loff_t *ppos) 119 { 120 struct ieee80211_local *local = file->private_data; 121 char buf[100]; 122 123 if (count >= sizeof(buf)) 124 return -EINVAL; 125 126 if (copy_from_user(buf, user_buf, count)) 127 return -EFAULT; 128 129 if (count && buf[count - 1] == '\n') 130 buf[count - 1] = '\0'; 131 else 132 buf[count] = '\0'; 133 134 if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1) 135 return count; 136 else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1) 137 return count; 138 else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1) 139 return count; 140 141 return -EINVAL; 142 } 143 144 static const struct debugfs_short_fops aqm_ops = { 145 .write = aqm_write, 146 .read = aqm_read, 147 .llseek = default_llseek, 148 }; 149 150 static ssize_t airtime_flags_read(struct file *file, 151 char __user *user_buf, 152 size_t count, loff_t *ppos) 153 { 154 struct ieee80211_local *local = file->private_data; 155 char buf[128] = {}, *pos, *end; 156 157 pos = buf; 158 end = pos + sizeof(buf) - 1; 159 160 if (local->airtime_flags & AIRTIME_USE_TX) 161 pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n", 162 AIRTIME_USE_TX); 163 if (local->airtime_flags & AIRTIME_USE_RX) 164 pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n", 165 AIRTIME_USE_RX); 166 167 return simple_read_from_buffer(user_buf, count, ppos, buf, 168 strlen(buf)); 169 } 170 171 static ssize_t airtime_flags_write(struct file *file, 172 const char __user *user_buf, 173 size_t count, loff_t *ppos) 174 { 175 struct ieee80211_local *local = file->private_data; 176 char buf[16]; 177 178 if (count >= sizeof(buf)) 179 return -EINVAL; 180 181 if (copy_from_user(buf, user_buf, count)) 182 return -EFAULT; 183 184 if (count && buf[count - 1] == '\n') 185 buf[count - 1] = '\0'; 186 else 187 buf[count] = '\0'; 188 189 if (kstrtou16(buf, 0, &local->airtime_flags)) 190 return -EINVAL; 191 192 return count; 193 } 194 195 static const struct debugfs_short_fops airtime_flags_ops = { 196 .write = airtime_flags_write, 197 .read = airtime_flags_read, 198 .llseek = default_llseek, 199 }; 200 201 static ssize_t aql_pending_read(struct file *file, 202 char __user *user_buf, 203 size_t count, loff_t *ppos) 204 { 205 struct ieee80211_local *local = file->private_data; 206 char buf[400]; 207 int len = 0; 208 209 len = scnprintf(buf, sizeof(buf), 210 "AC AQL pending\n" 211 "VO %u us\n" 212 "VI %u us\n" 213 "BE %u us\n" 214 "BK %u us\n" 215 "total %u us\n", 216 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VO]), 217 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VI]), 218 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BE]), 219 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BK]), 220 atomic_read(&local->aql_total_pending_airtime)); 221 return simple_read_from_buffer(user_buf, count, ppos, 222 buf, len); 223 } 224 225 static const struct debugfs_short_fops aql_pending_ops = { 226 .read = aql_pending_read, 227 .llseek = default_llseek, 228 }; 229 230 static ssize_t aql_txq_limit_read(struct file *file, 231 char __user *user_buf, 232 size_t count, 233 loff_t *ppos) 234 { 235 struct ieee80211_local *local = file->private_data; 236 char buf[400]; 237 int len = 0; 238 239 len = scnprintf(buf, sizeof(buf), 240 "AC AQL limit low AQL limit high\n" 241 "VO %u %u\n" 242 "VI %u %u\n" 243 "BE %u %u\n" 244 "BK %u %u\n", 245 local->aql_txq_limit_low[IEEE80211_AC_VO], 246 local->aql_txq_limit_high[IEEE80211_AC_VO], 247 local->aql_txq_limit_low[IEEE80211_AC_VI], 248 local->aql_txq_limit_high[IEEE80211_AC_VI], 249 local->aql_txq_limit_low[IEEE80211_AC_BE], 250 local->aql_txq_limit_high[IEEE80211_AC_BE], 251 local->aql_txq_limit_low[IEEE80211_AC_BK], 252 local->aql_txq_limit_high[IEEE80211_AC_BK]); 253 return simple_read_from_buffer(user_buf, count, ppos, 254 buf, len); 255 } 256 257 static ssize_t aql_txq_limit_write(struct file *file, 258 const char __user *user_buf, 259 size_t count, 260 loff_t *ppos) 261 { 262 struct ieee80211_local *local = file->private_data; 263 char buf[100]; 264 u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old; 265 struct sta_info *sta; 266 267 if (count >= sizeof(buf)) 268 return -EINVAL; 269 270 if (copy_from_user(buf, user_buf, count)) 271 return -EFAULT; 272 273 if (count && buf[count - 1] == '\n') 274 buf[count - 1] = '\0'; 275 else 276 buf[count] = '\0'; 277 278 if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3) 279 return -EINVAL; 280 281 if (ac >= IEEE80211_NUM_ACS) 282 return -EINVAL; 283 284 q_limit_low_old = local->aql_txq_limit_low[ac]; 285 q_limit_high_old = local->aql_txq_limit_high[ac]; 286 287 guard(wiphy)(local->hw.wiphy); 288 289 local->aql_txq_limit_low[ac] = q_limit_low; 290 local->aql_txq_limit_high[ac] = q_limit_high; 291 292 list_for_each_entry(sta, &local->sta_list, list) { 293 /* If a sta has customized queue limits, keep it */ 294 if (sta->airtime[ac].aql_limit_low == q_limit_low_old && 295 sta->airtime[ac].aql_limit_high == q_limit_high_old) { 296 sta->airtime[ac].aql_limit_low = q_limit_low; 297 sta->airtime[ac].aql_limit_high = q_limit_high; 298 } 299 } 300 301 return count; 302 } 303 304 static const struct debugfs_short_fops aql_txq_limit_ops = { 305 .write = aql_txq_limit_write, 306 .read = aql_txq_limit_read, 307 .llseek = default_llseek, 308 }; 309 310 static ssize_t aql_enable_read(struct file *file, char __user *user_buf, 311 size_t count, loff_t *ppos) 312 { 313 char buf[3]; 314 int len; 315 316 len = scnprintf(buf, sizeof(buf), "%d\n", 317 !static_key_false(&aql_disable.key)); 318 319 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 320 } 321 322 static ssize_t aql_enable_write(struct file *file, const char __user *user_buf, 323 size_t count, loff_t *ppos) 324 { 325 bool aql_disabled = static_key_false(&aql_disable.key); 326 char buf[3]; 327 size_t len; 328 329 if (count > sizeof(buf)) 330 return -EINVAL; 331 332 if (copy_from_user(buf, user_buf, count)) 333 return -EFAULT; 334 335 buf[sizeof(buf) - 1] = '\0'; 336 len = strlen(buf); 337 if (len > 0 && buf[len - 1] == '\n') 338 buf[len - 1] = 0; 339 340 if (buf[0] == '0' && buf[1] == '\0') { 341 if (!aql_disabled) 342 static_branch_inc(&aql_disable); 343 } else if (buf[0] == '1' && buf[1] == '\0') { 344 if (aql_disabled) 345 static_branch_dec(&aql_disable); 346 } else { 347 return -EINVAL; 348 } 349 350 return count; 351 } 352 353 static const struct debugfs_short_fops aql_enable_ops = { 354 .write = aql_enable_write, 355 .read = aql_enable_read, 356 .llseek = default_llseek, 357 }; 358 359 static ssize_t force_tx_status_read(struct file *file, 360 char __user *user_buf, 361 size_t count, 362 loff_t *ppos) 363 { 364 struct ieee80211_local *local = file->private_data; 365 char buf[3]; 366 int len = 0; 367 368 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status); 369 370 return simple_read_from_buffer(user_buf, count, ppos, 371 buf, len); 372 } 373 374 static ssize_t force_tx_status_write(struct file *file, 375 const char __user *user_buf, 376 size_t count, 377 loff_t *ppos) 378 { 379 struct ieee80211_local *local = file->private_data; 380 char buf[3]; 381 382 if (count >= sizeof(buf)) 383 return -EINVAL; 384 385 if (copy_from_user(buf, user_buf, count)) 386 return -EFAULT; 387 388 if (count && buf[count - 1] == '\n') 389 buf[count - 1] = '\0'; 390 else 391 buf[count] = '\0'; 392 393 if (buf[0] == '0' && buf[1] == '\0') 394 local->force_tx_status = 0; 395 else if (buf[0] == '1' && buf[1] == '\0') 396 local->force_tx_status = 1; 397 else 398 return -EINVAL; 399 400 return count; 401 } 402 403 static const struct debugfs_short_fops force_tx_status_ops = { 404 .write = force_tx_status_write, 405 .read = force_tx_status_read, 406 .llseek = default_llseek, 407 }; 408 409 #ifdef CONFIG_PM 410 static ssize_t reset_write(struct file *file, const char __user *user_buf, 411 size_t count, loff_t *ppos) 412 { 413 struct ieee80211_local *local = file->private_data; 414 int ret; 415 416 rtnl_lock(); 417 wiphy_lock(local->hw.wiphy); 418 __ieee80211_suspend(&local->hw, NULL); 419 ret = __ieee80211_resume(&local->hw); 420 wiphy_unlock(local->hw.wiphy); 421 422 if (ret) 423 cfg80211_shutdown_all_interfaces(local->hw.wiphy); 424 425 rtnl_unlock(); 426 427 return count; 428 } 429 430 static const struct debugfs_short_fops reset_ops = { 431 .write = reset_write, 432 .llseek = noop_llseek, 433 }; 434 #endif 435 436 static const char *hw_flag_names[] = { 437 #define FLAG(F) [IEEE80211_HW_##F] = #F 438 FLAG(HAS_RATE_CONTROL), 439 FLAG(RX_INCLUDES_FCS), 440 FLAG(HOST_BROADCAST_PS_BUFFERING), 441 FLAG(SIGNAL_UNSPEC), 442 FLAG(SIGNAL_DBM), 443 FLAG(NEED_DTIM_BEFORE_ASSOC), 444 FLAG(SPECTRUM_MGMT), 445 FLAG(AMPDU_AGGREGATION), 446 FLAG(SUPPORTS_PS), 447 FLAG(PS_NULLFUNC_STACK), 448 FLAG(SUPPORTS_DYNAMIC_PS), 449 FLAG(MFP_CAPABLE), 450 FLAG(WANT_MONITOR_VIF), 451 FLAG(NO_VIRTUAL_MONITOR), 452 FLAG(NO_AUTO_VIF), 453 FLAG(SW_CRYPTO_CONTROL), 454 FLAG(SUPPORT_FAST_XMIT), 455 FLAG(REPORTS_TX_ACK_STATUS), 456 FLAG(CONNECTION_MONITOR), 457 FLAG(QUEUE_CONTROL), 458 FLAG(SUPPORTS_PER_STA_GTK), 459 FLAG(AP_LINK_PS), 460 FLAG(TX_AMPDU_SETUP_IN_HW), 461 FLAG(SUPPORTS_RC_TABLE), 462 FLAG(P2P_DEV_ADDR_FOR_INTF), 463 FLAG(TIMING_BEACON_ONLY), 464 FLAG(SUPPORTS_HT_CCK_RATES), 465 FLAG(CHANCTX_STA_CSA), 466 FLAG(SUPPORTS_CLONED_SKBS), 467 FLAG(SINGLE_SCAN_ON_ALL_BANDS), 468 FLAG(TDLS_WIDER_BW), 469 FLAG(SUPPORTS_AMSDU_IN_AMPDU), 470 FLAG(BEACON_TX_STATUS), 471 FLAG(NEEDS_UNIQUE_STA_ADDR), 472 FLAG(SUPPORTS_REORDERING_BUFFER), 473 FLAG(USES_RSS), 474 FLAG(TX_AMSDU), 475 FLAG(TX_FRAG_LIST), 476 FLAG(REPORTS_LOW_ACK), 477 FLAG(SUPPORTS_TX_FRAG), 478 FLAG(SUPPORTS_TDLS_BUFFER_STA), 479 FLAG(DOESNT_SUPPORT_QOS_NDP), 480 FLAG(BUFF_MMPDU_TXQ), 481 FLAG(SUPPORTS_VHT_EXT_NSS_BW), 482 FLAG(STA_MMPDU_TXQ), 483 FLAG(TX_STATUS_NO_AMPDU_LEN), 484 FLAG(SUPPORTS_MULTI_BSSID), 485 FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID), 486 FLAG(AMPDU_KEYBORDER_SUPPORT), 487 FLAG(SUPPORTS_TX_ENCAP_OFFLOAD), 488 FLAG(SUPPORTS_RX_DECAP_OFFLOAD), 489 FLAG(SUPPORTS_CONC_MON_RX_DECAP), 490 FLAG(DETECTS_COLOR_COLLISION), 491 FLAG(MLO_MCAST_MULTI_LINK_TX), 492 FLAG(DISALLOW_PUNCTURING), 493 FLAG(DISALLOW_PUNCTURING_5GHZ), 494 FLAG(HANDLES_QUIET_CSA), 495 FLAG(STRICT), 496 #undef FLAG 497 }; 498 499 static ssize_t hwflags_read(struct file *file, char __user *user_buf, 500 size_t count, loff_t *ppos) 501 { 502 struct ieee80211_local *local = file->private_data; 503 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS; 504 char *buf = kzalloc(bufsz, GFP_KERNEL); 505 char *pos = buf, *end = buf + bufsz - 1; 506 ssize_t rv; 507 int i; 508 509 if (!buf) 510 return -ENOMEM; 511 512 /* fail compilation if somebody adds or removes 513 * a flag without updating the name array above 514 */ 515 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS); 516 517 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) { 518 if (test_bit(i, local->hw.flags)) 519 pos += scnprintf(pos, end - pos, "%s\n", 520 hw_flag_names[i]); 521 } 522 523 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 524 kfree(buf); 525 return rv; 526 } 527 528 static ssize_t hwflags_write(struct file *file, const char __user *user_buf, 529 size_t count, loff_t *ppos) 530 { 531 struct ieee80211_local *local = file->private_data; 532 char buf[100]; 533 int val; 534 535 if (count >= sizeof(buf)) 536 return -EINVAL; 537 538 if (copy_from_user(buf, user_buf, count)) 539 return -EFAULT; 540 541 if (count && buf[count - 1] == '\n') 542 buf[count - 1] = '\0'; 543 else 544 buf[count] = '\0'; 545 546 if (sscanf(buf, "strict=%d", &val) == 1) { 547 switch (val) { 548 case 0: 549 ieee80211_hw_set(&local->hw, STRICT); 550 return count; 551 case 1: 552 __clear_bit(IEEE80211_HW_STRICT, local->hw.flags); 553 return count; 554 default: 555 return -EINVAL; 556 } 557 } 558 559 return -EINVAL; 560 } 561 562 static const struct file_operations hwflags_ops = { 563 .open = simple_open, 564 .read = hwflags_read, 565 .write = hwflags_write, 566 }; 567 568 static ssize_t misc_read(struct file *file, char __user *user_buf, 569 size_t count, loff_t *ppos) 570 { 571 struct ieee80211_local *local = file->private_data; 572 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */ 573 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9; 574 char *buf; 575 char *pos, *end; 576 ssize_t rv; 577 int i; 578 int ln; 579 580 buf = kzalloc(bufsz, GFP_KERNEL); 581 if (!buf) 582 return -ENOMEM; 583 584 pos = buf; 585 end = buf + bufsz - 1; 586 587 pos += scnprintf(pos, end - pos, "pending:\n"); 588 589 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 590 ln = skb_queue_len(&local->pending[i]); 591 pos += scnprintf(pos, end - pos, "[%i] %d\n", 592 i, ln); 593 } 594 595 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 596 kfree(buf); 597 return rv; 598 } 599 600 static ssize_t queues_read(struct file *file, char __user *user_buf, 601 size_t count, loff_t *ppos) 602 { 603 struct ieee80211_local *local = file->private_data; 604 unsigned long flags; 605 char buf[IEEE80211_MAX_QUEUES * 20]; 606 int q, res = 0; 607 608 spin_lock_irqsave(&local->queue_stop_reason_lock, flags); 609 for (q = 0; q < local->hw.queues; q++) 610 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q, 611 local->queue_stop_reasons[q], 612 skb_queue_len(&local->pending[q])); 613 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); 614 615 return simple_read_from_buffer(user_buf, count, ppos, buf, res); 616 } 617 618 DEBUGFS_READONLY_FILE_OPS(queues); 619 DEBUGFS_READONLY_FILE_OPS(misc); 620 621 /* statistics stuff */ 622 623 static ssize_t format_devstat_counter(struct ieee80211_local *local, 624 char __user *userbuf, 625 size_t count, loff_t *ppos, 626 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf, 627 int buflen)) 628 { 629 struct ieee80211_low_level_stats stats; 630 char buf[20]; 631 int res; 632 633 wiphy_lock(local->hw.wiphy); 634 res = drv_get_stats(local, &stats); 635 wiphy_unlock(local->hw.wiphy); 636 if (res) 637 return res; 638 res = printvalue(&stats, buf, sizeof(buf)); 639 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 640 } 641 642 #define DEBUGFS_DEVSTATS_FILE(name) \ 643 static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\ 644 char *buf, int buflen) \ 645 { \ 646 return scnprintf(buf, buflen, "%u\n", stats->name); \ 647 } \ 648 static ssize_t stats_ ##name## _read(struct file *file, \ 649 char __user *userbuf, \ 650 size_t count, loff_t *ppos) \ 651 { \ 652 return format_devstat_counter(file->private_data, \ 653 userbuf, \ 654 count, \ 655 ppos, \ 656 print_devstats_##name); \ 657 } \ 658 \ 659 static const struct debugfs_short_fops stats_ ##name## _ops = { \ 660 .read = stats_ ##name## _read, \ 661 .llseek = generic_file_llseek, \ 662 }; 663 664 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 665 #define DEBUGFS_STATS_ADD(name) \ 666 debugfs_create_u32(#name, 0400, statsd, &local->name); 667 #endif 668 #define DEBUGFS_DEVSTATS_ADD(name) \ 669 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops); 670 671 DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount); 672 DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount); 673 DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount); 674 DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount); 675 676 void debugfs_hw_add(struct ieee80211_local *local) 677 { 678 struct dentry *phyd = local->hw.wiphy->debugfsdir; 679 struct dentry *statsd; 680 681 if (!phyd) 682 return; 683 684 local->debugfs.keys = debugfs_create_dir("keys", phyd); 685 686 DEBUGFS_ADD(total_ps_buffered); 687 DEBUGFS_ADD(wep_iv); 688 DEBUGFS_ADD(rate_ctrl_alg); 689 DEBUGFS_ADD(queues); 690 DEBUGFS_ADD(misc); 691 #ifdef CONFIG_PM 692 DEBUGFS_ADD_MODE(reset, 0200); 693 #endif 694 DEBUGFS_ADD_MODE(hwflags, 0600); 695 DEBUGFS_ADD(user_power); 696 DEBUGFS_ADD(power); 697 DEBUGFS_ADD(hw_conf); 698 DEBUGFS_ADD_MODE(force_tx_status, 0600); 699 DEBUGFS_ADD_MODE(aql_enable, 0600); 700 DEBUGFS_ADD(aql_pending); 701 DEBUGFS_ADD_MODE(aqm, 0600); 702 703 DEBUGFS_ADD_MODE(airtime_flags, 0600); 704 705 DEBUGFS_ADD(aql_txq_limit); 706 debugfs_create_u32("aql_threshold", 0600, 707 phyd, &local->aql_threshold); 708 709 statsd = debugfs_create_dir("statistics", phyd); 710 711 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 712 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount); 713 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount); 714 DEBUGFS_STATS_ADD(dot11FailedCount); 715 DEBUGFS_STATS_ADD(dot11RetryCount); 716 DEBUGFS_STATS_ADD(dot11MultipleRetryCount); 717 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount); 718 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount); 719 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount); 720 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount); 721 DEBUGFS_STATS_ADD(tx_handlers_drop); 722 DEBUGFS_STATS_ADD(tx_handlers_queued); 723 DEBUGFS_STATS_ADD(tx_handlers_drop_wep); 724 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc); 725 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port); 726 DEBUGFS_STATS_ADD(rx_handlers_drop); 727 DEBUGFS_STATS_ADD(rx_handlers_queued); 728 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc); 729 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag); 730 DEBUGFS_STATS_ADD(tx_expand_skb_head); 731 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned); 732 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag); 733 DEBUGFS_STATS_ADD(rx_handlers_fragments); 734 DEBUGFS_STATS_ADD(tx_status_drop); 735 #endif 736 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount); 737 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount); 738 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount); 739 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount); 740 } 741