1 /* 2 * Copyright 2003-2005 Devicescape Software, Inc. 3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> 4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> 5 * Copyright 2013-2014 Intel Mobile Communications GmbH 6 * Copyright(c) 2016 Intel Deutschland GmbH 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 #include <linux/debugfs.h> 14 #include <linux/ieee80211.h> 15 #include "ieee80211_i.h" 16 #include "debugfs.h" 17 #include "debugfs_sta.h" 18 #include "sta_info.h" 19 #include "driver-ops.h" 20 21 /* sta attributtes */ 22 23 #define STA_READ(name, field, format_string) \ 24 static ssize_t sta_ ##name## _read(struct file *file, \ 25 char __user *userbuf, \ 26 size_t count, loff_t *ppos) \ 27 { \ 28 struct sta_info *sta = file->private_data; \ 29 return mac80211_format_buffer(userbuf, count, ppos, \ 30 format_string, sta->field); \ 31 } 32 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n") 33 34 #define STA_OPS(name) \ 35 static const struct file_operations sta_ ##name## _ops = { \ 36 .read = sta_##name##_read, \ 37 .open = simple_open, \ 38 .llseek = generic_file_llseek, \ 39 } 40 41 #define STA_OPS_RW(name) \ 42 static const struct file_operations sta_ ##name## _ops = { \ 43 .read = sta_##name##_read, \ 44 .write = sta_##name##_write, \ 45 .open = simple_open, \ 46 .llseek = generic_file_llseek, \ 47 } 48 49 #define STA_FILE(name, field, format) \ 50 STA_READ_##format(name, field) \ 51 STA_OPS(name) 52 53 STA_FILE(aid, sta.aid, D); 54 55 static const char * const sta_flag_names[] = { 56 #define FLAG(F) [WLAN_STA_##F] = #F 57 FLAG(AUTH), 58 FLAG(ASSOC), 59 FLAG(PS_STA), 60 FLAG(AUTHORIZED), 61 FLAG(SHORT_PREAMBLE), 62 FLAG(WDS), 63 FLAG(CLEAR_PS_FILT), 64 FLAG(MFP), 65 FLAG(BLOCK_BA), 66 FLAG(PS_DRIVER), 67 FLAG(PSPOLL), 68 FLAG(TDLS_PEER), 69 FLAG(TDLS_PEER_AUTH), 70 FLAG(TDLS_INITIATOR), 71 FLAG(TDLS_CHAN_SWITCH), 72 FLAG(TDLS_OFF_CHANNEL), 73 FLAG(TDLS_WIDER_BW), 74 FLAG(UAPSD), 75 FLAG(SP), 76 FLAG(4ADDR_EVENT), 77 FLAG(INSERTED), 78 FLAG(RATE_CONTROL), 79 FLAG(TOFFSET_KNOWN), 80 FLAG(MPSP_OWNER), 81 FLAG(MPSP_RECIPIENT), 82 FLAG(PS_DELIVER), 83 #undef FLAG 84 }; 85 86 static ssize_t sta_flags_read(struct file *file, char __user *userbuf, 87 size_t count, loff_t *ppos) 88 { 89 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf; 90 char *end = buf + sizeof(buf) - 1; 91 struct sta_info *sta = file->private_data; 92 unsigned int flg; 93 94 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS); 95 96 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) { 97 if (test_sta_flag(sta, flg)) 98 pos += scnprintf(pos, end - pos, "%s\n", 99 sta_flag_names[flg]); 100 } 101 102 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf)); 103 } 104 STA_OPS(flags); 105 106 static ssize_t sta_num_ps_buf_frames_read(struct file *file, 107 char __user *userbuf, 108 size_t count, loff_t *ppos) 109 { 110 struct sta_info *sta = file->private_data; 111 char buf[17*IEEE80211_NUM_ACS], *p = buf; 112 int ac; 113 114 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 115 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, 116 skb_queue_len(&sta->ps_tx_buf[ac]) + 117 skb_queue_len(&sta->tx_filtered[ac])); 118 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 119 } 120 STA_OPS(num_ps_buf_frames); 121 122 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, 123 size_t count, loff_t *ppos) 124 { 125 char buf[15*IEEE80211_NUM_TIDS], *p = buf; 126 int i; 127 struct sta_info *sta = file->private_data; 128 for (i = 0; i < IEEE80211_NUM_TIDS; i++) 129 p += scnprintf(p, sizeof(buf)+buf-p, "%x ", 130 le16_to_cpu(sta->last_seq_ctrl[i])); 131 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 132 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 133 } 134 STA_OPS(last_seq_ctrl); 135 136 #define AQM_TXQ_ENTRY_LEN 130 137 138 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, 139 size_t count, loff_t *ppos) 140 { 141 struct sta_info *sta = file->private_data; 142 struct ieee80211_local *local = sta->local; 143 size_t bufsz = AQM_TXQ_ENTRY_LEN*(IEEE80211_NUM_TIDS+1); 144 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 145 struct txq_info *txqi; 146 ssize_t rv; 147 int i; 148 149 if (!buf) 150 return -ENOMEM; 151 152 spin_lock_bh(&local->fq.lock); 153 rcu_read_lock(); 154 155 p += scnprintf(p, 156 bufsz+buf-p, 157 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n"); 158 159 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 160 txqi = to_txq_info(sta->sta.txq[i]); 161 p += scnprintf(p, bufsz+buf-p, 162 "%d %d %u %u %u %u %u %u %u %u %u\n", 163 txqi->txq.tid, 164 txqi->txq.ac, 165 txqi->tin.backlog_bytes, 166 txqi->tin.backlog_packets, 167 txqi->tin.flows, 168 txqi->cstats.drop_count, 169 txqi->cstats.ecn_mark, 170 txqi->tin.overlimit, 171 txqi->tin.collisions, 172 txqi->tin.tx_bytes, 173 txqi->tin.tx_packets); 174 } 175 176 rcu_read_unlock(); 177 spin_unlock_bh(&local->fq.lock); 178 179 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 180 kfree(buf); 181 return rv; 182 } 183 STA_OPS(aqm); 184 185 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, 186 size_t count, loff_t *ppos) 187 { 188 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; 189 int i; 190 struct sta_info *sta = file->private_data; 191 struct tid_ampdu_rx *tid_rx; 192 struct tid_ampdu_tx *tid_tx; 193 194 rcu_read_lock(); 195 196 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", 197 sta->ampdu_mlme.dialog_token_allocator + 1); 198 p += scnprintf(p, sizeof(buf) + buf - p, 199 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); 200 201 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 202 bool tid_rx_valid; 203 204 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); 205 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); 206 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid); 207 208 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); 209 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", 210 tid_rx_valid); 211 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 212 tid_rx_valid ? 213 sta->ampdu_mlme.tid_rx_token[i] : 0); 214 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", 215 tid_rx ? tid_rx->ssn : 0); 216 217 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); 218 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 219 tid_tx ? tid_tx->dialog_token : 0); 220 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", 221 tid_tx ? skb_queue_len(&tid_tx->pending) : 0); 222 p += scnprintf(p, sizeof(buf) + buf - p, "\n"); 223 } 224 rcu_read_unlock(); 225 226 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 227 } 228 229 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, 230 size_t count, loff_t *ppos) 231 { 232 char _buf[25] = {}, *buf = _buf; 233 struct sta_info *sta = file->private_data; 234 bool start, tx; 235 unsigned long tid; 236 char *pos; 237 int ret, timeout = 5000; 238 239 if (count > sizeof(_buf)) 240 return -EINVAL; 241 242 if (copy_from_user(buf, userbuf, count)) 243 return -EFAULT; 244 245 buf[sizeof(_buf) - 1] = '\0'; 246 pos = buf; 247 buf = strsep(&pos, " "); 248 if (!buf) 249 return -EINVAL; 250 251 if (!strcmp(buf, "tx")) 252 tx = true; 253 else if (!strcmp(buf, "rx")) 254 tx = false; 255 else 256 return -EINVAL; 257 258 buf = strsep(&pos, " "); 259 if (!buf) 260 return -EINVAL; 261 if (!strcmp(buf, "start")) { 262 start = true; 263 if (!tx) 264 return -EINVAL; 265 } else if (!strcmp(buf, "stop")) { 266 start = false; 267 } else { 268 return -EINVAL; 269 } 270 271 buf = strsep(&pos, " "); 272 if (!buf) 273 return -EINVAL; 274 if (sscanf(buf, "timeout=%d", &timeout) == 1) { 275 buf = strsep(&pos, " "); 276 if (!buf || !tx || !start) 277 return -EINVAL; 278 } 279 280 ret = kstrtoul(buf, 0, &tid); 281 if (ret || tid >= IEEE80211_NUM_TIDS) 282 return -EINVAL; 283 284 if (tx) { 285 if (start) 286 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 287 timeout); 288 else 289 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); 290 } else { 291 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 292 3, true); 293 ret = 0; 294 } 295 296 return ret ?: count; 297 } 298 STA_OPS_RW(agg_status); 299 300 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, 301 size_t count, loff_t *ppos) 302 { 303 #define PRINT_HT_CAP(_cond, _str) \ 304 do { \ 305 if (_cond) \ 306 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ 307 } while (0) 308 char buf[512], *p = buf; 309 int i; 310 struct sta_info *sta = file->private_data; 311 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; 312 313 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", 314 htc->ht_supported ? "" : "not "); 315 if (htc->ht_supported) { 316 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); 317 318 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); 319 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); 320 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); 321 322 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); 323 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); 324 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); 325 326 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); 327 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); 328 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); 329 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); 330 331 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); 332 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); 333 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); 334 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); 335 336 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); 337 338 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " 339 "3839 bytes"); 340 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " 341 "7935 bytes"); 342 343 /* 344 * For beacons and probe response this would mean the BSS 345 * does or does not allow the usage of DSSS/CCK HT40. 346 * Otherwise it means the STA does or does not use 347 * DSSS/CCK HT40. 348 */ 349 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); 350 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); 351 352 /* BIT(13) is reserved */ 353 354 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); 355 356 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); 357 358 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", 359 htc->ampdu_factor, htc->ampdu_density); 360 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); 361 362 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) 363 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", 364 htc->mcs.rx_mask[i]); 365 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 366 367 /* If not set this is meaningless */ 368 if (le16_to_cpu(htc->mcs.rx_highest)) { 369 p += scnprintf(p, sizeof(buf)+buf-p, 370 "MCS rx highest: %d Mbps\n", 371 le16_to_cpu(htc->mcs.rx_highest)); 372 } 373 374 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", 375 htc->mcs.tx_params); 376 } 377 378 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 379 } 380 STA_OPS(ht_capa); 381 382 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, 383 size_t count, loff_t *ppos) 384 { 385 char buf[512], *p = buf; 386 struct sta_info *sta = file->private_data; 387 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; 388 389 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", 390 vhtc->vht_supported ? "" : "not "); 391 if (vhtc->vht_supported) { 392 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n", 393 vhtc->cap); 394 #define PFLAG(a, b) \ 395 do { \ 396 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \ 397 p += scnprintf(p, sizeof(buf) + buf - p, \ 398 "\t\t%s\n", b); \ 399 } while (0) 400 401 switch (vhtc->cap & 0x3) { 402 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: 403 p += scnprintf(p, sizeof(buf) + buf - p, 404 "\t\tMAX-MPDU-3895\n"); 405 break; 406 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: 407 p += scnprintf(p, sizeof(buf) + buf - p, 408 "\t\tMAX-MPDU-7991\n"); 409 break; 410 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: 411 p += scnprintf(p, sizeof(buf) + buf - p, 412 "\t\tMAX-MPDU-11454\n"); 413 break; 414 default: 415 p += scnprintf(p, sizeof(buf) + buf - p, 416 "\t\tMAX-MPDU-UNKNOWN\n"); 417 }; 418 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 419 case 0: 420 p += scnprintf(p, sizeof(buf) + buf - p, 421 "\t\t80Mhz\n"); 422 break; 423 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 424 p += scnprintf(p, sizeof(buf) + buf - p, 425 "\t\t160Mhz\n"); 426 break; 427 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 428 p += scnprintf(p, sizeof(buf) + buf - p, 429 "\t\t80+80Mhz\n"); 430 break; 431 default: 432 p += scnprintf(p, sizeof(buf) + buf - p, 433 "\t\tUNKNOWN-MHZ: 0x%x\n", 434 (vhtc->cap >> 2) & 0x3); 435 }; 436 PFLAG(RXLDPC, "RXLDPC"); 437 PFLAG(SHORT_GI_80, "SHORT-GI-80"); 438 PFLAG(SHORT_GI_160, "SHORT-GI-160"); 439 PFLAG(TXSTBC, "TXSTBC"); 440 p += scnprintf(p, sizeof(buf) + buf - p, 441 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7); 442 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE"); 443 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE"); 444 p += scnprintf(p, sizeof(buf) + buf - p, 445 "\t\tBEAMFORMEE-STS: 0x%x\n", 446 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >> 447 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 448 p += scnprintf(p, sizeof(buf) + buf - p, 449 "\t\tSOUNDING-DIMENSIONS: 0x%x\n", 450 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK) 451 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); 452 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE"); 453 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE"); 454 PFLAG(VHT_TXOP_PS, "TXOP-PS"); 455 PFLAG(HTC_VHT, "HTC-VHT"); 456 p += scnprintf(p, sizeof(buf) + buf - p, 457 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n", 458 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 459 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); 460 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB, 461 "LINK-ADAPTATION-VHT-UNSOL-MFB"); 462 p += scnprintf(p, sizeof(buf) + buf - p, 463 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n", 464 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26); 465 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN"); 466 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN"); 467 468 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", 469 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); 470 if (vhtc->vht_mcs.rx_highest) 471 p += scnprintf(p, sizeof(buf)+buf-p, 472 "MCS RX highest: %d Mbps\n", 473 le16_to_cpu(vhtc->vht_mcs.rx_highest)); 474 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", 475 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); 476 if (vhtc->vht_mcs.tx_highest) 477 p += scnprintf(p, sizeof(buf)+buf-p, 478 "MCS TX highest: %d Mbps\n", 479 le16_to_cpu(vhtc->vht_mcs.tx_highest)); 480 } 481 482 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 483 } 484 STA_OPS(vht_capa); 485 486 487 #define DEBUGFS_ADD(name) \ 488 debugfs_create_file(#name, 0400, \ 489 sta->debugfs_dir, sta, &sta_ ##name## _ops); 490 491 #define DEBUGFS_ADD_COUNTER(name, field) \ 492 if (sizeof(sta->field) == sizeof(u32)) \ 493 debugfs_create_u32(#name, 0400, sta->debugfs_dir, \ 494 (u32 *) &sta->field); \ 495 else \ 496 debugfs_create_u64(#name, 0400, sta->debugfs_dir, \ 497 (u64 *) &sta->field); 498 499 void ieee80211_sta_debugfs_add(struct sta_info *sta) 500 { 501 struct ieee80211_local *local = sta->local; 502 struct ieee80211_sub_if_data *sdata = sta->sdata; 503 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; 504 u8 mac[3*ETH_ALEN]; 505 506 if (!stations_dir) 507 return; 508 509 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); 510 511 /* 512 * This might fail due to a race condition: 513 * When mac80211 unlinks a station, the debugfs entries 514 * remain, but it is already possible to link a new 515 * station with the same address which triggers adding 516 * it to debugfs; therefore, if the old station isn't 517 * destroyed quickly enough the old station's debugfs 518 * dir might still be around. 519 */ 520 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir); 521 if (!sta->debugfs_dir) 522 return; 523 524 DEBUGFS_ADD(flags); 525 DEBUGFS_ADD(aid); 526 DEBUGFS_ADD(num_ps_buf_frames); 527 DEBUGFS_ADD(last_seq_ctrl); 528 DEBUGFS_ADD(agg_status); 529 DEBUGFS_ADD(ht_capa); 530 DEBUGFS_ADD(vht_capa); 531 532 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates); 533 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); 534 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered); 535 536 if (local->ops->wake_tx_queue) 537 DEBUGFS_ADD(aqm); 538 539 if (sizeof(sta->driver_buffered_tids) == sizeof(u32)) 540 debugfs_create_x32("driver_buffered_tids", 0400, 541 sta->debugfs_dir, 542 (u32 *)&sta->driver_buffered_tids); 543 else 544 debugfs_create_x64("driver_buffered_tids", 0400, 545 sta->debugfs_dir, 546 (u64 *)&sta->driver_buffered_tids); 547 548 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir); 549 } 550 551 void ieee80211_sta_debugfs_remove(struct sta_info *sta) 552 { 553 debugfs_remove_recursive(sta->debugfs_dir); 554 sta->debugfs_dir = NULL; 555 } 556