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 * Copyright (C) 2018 Intel Corporation 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 */ 13 14 #include <linux/debugfs.h> 15 #include <linux/ieee80211.h> 16 #include "ieee80211_i.h" 17 #include "debugfs.h" 18 #include "debugfs_sta.h" 19 #include "sta_info.h" 20 #include "driver-ops.h" 21 22 /* sta attributtes */ 23 24 #define STA_READ(name, field, format_string) \ 25 static ssize_t sta_ ##name## _read(struct file *file, \ 26 char __user *userbuf, \ 27 size_t count, loff_t *ppos) \ 28 { \ 29 struct sta_info *sta = file->private_data; \ 30 return mac80211_format_buffer(userbuf, count, ppos, \ 31 format_string, sta->field); \ 32 } 33 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n") 34 35 #define STA_OPS(name) \ 36 static const struct file_operations sta_ ##name## _ops = { \ 37 .read = sta_##name##_read, \ 38 .open = simple_open, \ 39 .llseek = generic_file_llseek, \ 40 } 41 42 #define STA_OPS_RW(name) \ 43 static const struct file_operations sta_ ##name## _ops = { \ 44 .read = sta_##name##_read, \ 45 .write = sta_##name##_write, \ 46 .open = simple_open, \ 47 .llseek = generic_file_llseek, \ 48 } 49 50 #define STA_FILE(name, field, format) \ 51 STA_READ_##format(name, field) \ 52 STA_OPS(name) 53 54 STA_FILE(aid, sta.aid, D); 55 56 static const char * const sta_flag_names[] = { 57 #define FLAG(F) [WLAN_STA_##F] = #F 58 FLAG(AUTH), 59 FLAG(ASSOC), 60 FLAG(PS_STA), 61 FLAG(AUTHORIZED), 62 FLAG(SHORT_PREAMBLE), 63 FLAG(WDS), 64 FLAG(CLEAR_PS_FILT), 65 FLAG(MFP), 66 FLAG(BLOCK_BA), 67 FLAG(PS_DRIVER), 68 FLAG(PSPOLL), 69 FLAG(TDLS_PEER), 70 FLAG(TDLS_PEER_AUTH), 71 FLAG(TDLS_INITIATOR), 72 FLAG(TDLS_CHAN_SWITCH), 73 FLAG(TDLS_OFF_CHANNEL), 74 FLAG(TDLS_WIDER_BW), 75 FLAG(UAPSD), 76 FLAG(SP), 77 FLAG(4ADDR_EVENT), 78 FLAG(INSERTED), 79 FLAG(RATE_CONTROL), 80 FLAG(TOFFSET_KNOWN), 81 FLAG(MPSP_OWNER), 82 FLAG(MPSP_RECIPIENT), 83 FLAG(PS_DELIVER), 84 #undef FLAG 85 }; 86 87 static ssize_t sta_flags_read(struct file *file, char __user *userbuf, 88 size_t count, loff_t *ppos) 89 { 90 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf; 91 char *end = buf + sizeof(buf) - 1; 92 struct sta_info *sta = file->private_data; 93 unsigned int flg; 94 95 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS); 96 97 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) { 98 if (test_sta_flag(sta, flg)) 99 pos += scnprintf(pos, end - pos, "%s\n", 100 sta_flag_names[flg]); 101 } 102 103 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf)); 104 } 105 STA_OPS(flags); 106 107 static ssize_t sta_num_ps_buf_frames_read(struct file *file, 108 char __user *userbuf, 109 size_t count, loff_t *ppos) 110 { 111 struct sta_info *sta = file->private_data; 112 char buf[17*IEEE80211_NUM_ACS], *p = buf; 113 int ac; 114 115 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 116 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, 117 skb_queue_len(&sta->ps_tx_buf[ac]) + 118 skb_queue_len(&sta->tx_filtered[ac])); 119 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 120 } 121 STA_OPS(num_ps_buf_frames); 122 123 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, 124 size_t count, loff_t *ppos) 125 { 126 char buf[15*IEEE80211_NUM_TIDS], *p = buf; 127 int i; 128 struct sta_info *sta = file->private_data; 129 for (i = 0; i < IEEE80211_NUM_TIDS; i++) 130 p += scnprintf(p, sizeof(buf)+buf-p, "%x ", 131 le16_to_cpu(sta->last_seq_ctrl[i])); 132 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 133 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 134 } 135 STA_OPS(last_seq_ctrl); 136 137 #define AQM_TXQ_ENTRY_LEN 130 138 139 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, 140 size_t count, loff_t *ppos) 141 { 142 struct sta_info *sta = file->private_data; 143 struct ieee80211_local *local = sta->local; 144 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2); 145 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 146 struct txq_info *txqi; 147 ssize_t rv; 148 int i; 149 150 if (!buf) 151 return -ENOMEM; 152 153 spin_lock_bh(&local->fq.lock); 154 rcu_read_lock(); 155 156 p += scnprintf(p, 157 bufsz+buf-p, 158 "target %uus interval %uus ecn %s\n", 159 codel_time_to_us(sta->cparams.target), 160 codel_time_to_us(sta->cparams.interval), 161 sta->cparams.ecn ? "yes" : "no"); 162 p += scnprintf(p, 163 bufsz+buf-p, 164 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n"); 165 166 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) { 167 if (!sta->sta.txq[i]) 168 continue; 169 txqi = to_txq_info(sta->sta.txq[i]); 170 p += scnprintf(p, bufsz+buf-p, 171 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n", 172 txqi->txq.tid, 173 txqi->txq.ac, 174 txqi->tin.backlog_bytes, 175 txqi->tin.backlog_packets, 176 txqi->tin.flows, 177 txqi->cstats.drop_count, 178 txqi->cstats.ecn_mark, 179 txqi->tin.overlimit, 180 txqi->tin.collisions, 181 txqi->tin.tx_bytes, 182 txqi->tin.tx_packets, 183 txqi->flags, 184 txqi->flags & (1<<IEEE80211_TXQ_STOP) ? "STOP" : "RUN", 185 txqi->flags & (1<<IEEE80211_TXQ_AMPDU) ? " AMPDU" : "", 186 txqi->flags & (1<<IEEE80211_TXQ_NO_AMSDU) ? " NO-AMSDU" : ""); 187 } 188 189 rcu_read_unlock(); 190 spin_unlock_bh(&local->fq.lock); 191 192 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 193 kfree(buf); 194 return rv; 195 } 196 STA_OPS(aqm); 197 198 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, 199 size_t count, loff_t *ppos) 200 { 201 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; 202 int i; 203 struct sta_info *sta = file->private_data; 204 struct tid_ampdu_rx *tid_rx; 205 struct tid_ampdu_tx *tid_tx; 206 207 rcu_read_lock(); 208 209 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", 210 sta->ampdu_mlme.dialog_token_allocator + 1); 211 p += scnprintf(p, sizeof(buf) + buf - p, 212 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); 213 214 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 215 bool tid_rx_valid; 216 217 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); 218 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); 219 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid); 220 221 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); 222 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", 223 tid_rx_valid); 224 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 225 tid_rx_valid ? 226 sta->ampdu_mlme.tid_rx_token[i] : 0); 227 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", 228 tid_rx ? tid_rx->ssn : 0); 229 230 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); 231 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 232 tid_tx ? tid_tx->dialog_token : 0); 233 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", 234 tid_tx ? skb_queue_len(&tid_tx->pending) : 0); 235 p += scnprintf(p, sizeof(buf) + buf - p, "\n"); 236 } 237 rcu_read_unlock(); 238 239 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 240 } 241 242 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, 243 size_t count, loff_t *ppos) 244 { 245 char _buf[25] = {}, *buf = _buf; 246 struct sta_info *sta = file->private_data; 247 bool start, tx; 248 unsigned long tid; 249 char *pos; 250 int ret, timeout = 5000; 251 252 if (count > sizeof(_buf)) 253 return -EINVAL; 254 255 if (copy_from_user(buf, userbuf, count)) 256 return -EFAULT; 257 258 buf[sizeof(_buf) - 1] = '\0'; 259 pos = buf; 260 buf = strsep(&pos, " "); 261 if (!buf) 262 return -EINVAL; 263 264 if (!strcmp(buf, "tx")) 265 tx = true; 266 else if (!strcmp(buf, "rx")) 267 tx = false; 268 else 269 return -EINVAL; 270 271 buf = strsep(&pos, " "); 272 if (!buf) 273 return -EINVAL; 274 if (!strcmp(buf, "start")) { 275 start = true; 276 if (!tx) 277 return -EINVAL; 278 } else if (!strcmp(buf, "stop")) { 279 start = false; 280 } else { 281 return -EINVAL; 282 } 283 284 buf = strsep(&pos, " "); 285 if (!buf) 286 return -EINVAL; 287 if (sscanf(buf, "timeout=%d", &timeout) == 1) { 288 buf = strsep(&pos, " "); 289 if (!buf || !tx || !start) 290 return -EINVAL; 291 } 292 293 ret = kstrtoul(buf, 0, &tid); 294 if (ret || tid >= IEEE80211_NUM_TIDS) 295 return -EINVAL; 296 297 if (tx) { 298 if (start) 299 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 300 timeout); 301 else 302 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); 303 } else { 304 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 305 3, true); 306 ret = 0; 307 } 308 309 return ret ?: count; 310 } 311 STA_OPS_RW(agg_status); 312 313 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, 314 size_t count, loff_t *ppos) 315 { 316 #define PRINT_HT_CAP(_cond, _str) \ 317 do { \ 318 if (_cond) \ 319 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ 320 } while (0) 321 char buf[512], *p = buf; 322 int i; 323 struct sta_info *sta = file->private_data; 324 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; 325 326 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", 327 htc->ht_supported ? "" : "not "); 328 if (htc->ht_supported) { 329 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); 330 331 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); 332 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); 333 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); 334 335 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); 336 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); 337 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); 338 339 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); 340 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); 341 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); 342 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); 343 344 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); 345 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); 346 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); 347 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); 348 349 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); 350 351 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " 352 "3839 bytes"); 353 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " 354 "7935 bytes"); 355 356 /* 357 * For beacons and probe response this would mean the BSS 358 * does or does not allow the usage of DSSS/CCK HT40. 359 * Otherwise it means the STA does or does not use 360 * DSSS/CCK HT40. 361 */ 362 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); 363 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); 364 365 /* BIT(13) is reserved */ 366 367 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); 368 369 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); 370 371 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", 372 htc->ampdu_factor, htc->ampdu_density); 373 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); 374 375 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) 376 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", 377 htc->mcs.rx_mask[i]); 378 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 379 380 /* If not set this is meaningless */ 381 if (le16_to_cpu(htc->mcs.rx_highest)) { 382 p += scnprintf(p, sizeof(buf)+buf-p, 383 "MCS rx highest: %d Mbps\n", 384 le16_to_cpu(htc->mcs.rx_highest)); 385 } 386 387 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", 388 htc->mcs.tx_params); 389 } 390 391 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 392 } 393 STA_OPS(ht_capa); 394 395 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, 396 size_t count, loff_t *ppos) 397 { 398 char buf[512], *p = buf; 399 struct sta_info *sta = file->private_data; 400 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; 401 402 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", 403 vhtc->vht_supported ? "" : "not "); 404 if (vhtc->vht_supported) { 405 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n", 406 vhtc->cap); 407 #define PFLAG(a, b) \ 408 do { \ 409 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \ 410 p += scnprintf(p, sizeof(buf) + buf - p, \ 411 "\t\t%s\n", b); \ 412 } while (0) 413 414 switch (vhtc->cap & 0x3) { 415 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: 416 p += scnprintf(p, sizeof(buf) + buf - p, 417 "\t\tMAX-MPDU-3895\n"); 418 break; 419 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: 420 p += scnprintf(p, sizeof(buf) + buf - p, 421 "\t\tMAX-MPDU-7991\n"); 422 break; 423 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: 424 p += scnprintf(p, sizeof(buf) + buf - p, 425 "\t\tMAX-MPDU-11454\n"); 426 break; 427 default: 428 p += scnprintf(p, sizeof(buf) + buf - p, 429 "\t\tMAX-MPDU-UNKNOWN\n"); 430 } 431 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 432 case 0: 433 p += scnprintf(p, sizeof(buf) + buf - p, 434 "\t\t80Mhz\n"); 435 break; 436 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 437 p += scnprintf(p, sizeof(buf) + buf - p, 438 "\t\t160Mhz\n"); 439 break; 440 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 441 p += scnprintf(p, sizeof(buf) + buf - p, 442 "\t\t80+80Mhz\n"); 443 break; 444 default: 445 p += scnprintf(p, sizeof(buf) + buf - p, 446 "\t\tUNKNOWN-MHZ: 0x%x\n", 447 (vhtc->cap >> 2) & 0x3); 448 } 449 PFLAG(RXLDPC, "RXLDPC"); 450 PFLAG(SHORT_GI_80, "SHORT-GI-80"); 451 PFLAG(SHORT_GI_160, "SHORT-GI-160"); 452 PFLAG(TXSTBC, "TXSTBC"); 453 p += scnprintf(p, sizeof(buf) + buf - p, 454 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7); 455 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE"); 456 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE"); 457 p += scnprintf(p, sizeof(buf) + buf - p, 458 "\t\tBEAMFORMEE-STS: 0x%x\n", 459 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >> 460 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 461 p += scnprintf(p, sizeof(buf) + buf - p, 462 "\t\tSOUNDING-DIMENSIONS: 0x%x\n", 463 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK) 464 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); 465 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE"); 466 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE"); 467 PFLAG(VHT_TXOP_PS, "TXOP-PS"); 468 PFLAG(HTC_VHT, "HTC-VHT"); 469 p += scnprintf(p, sizeof(buf) + buf - p, 470 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n", 471 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 472 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); 473 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB, 474 "LINK-ADAPTATION-VHT-UNSOL-MFB"); 475 p += scnprintf(p, sizeof(buf) + buf - p, 476 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n", 477 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26); 478 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN"); 479 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN"); 480 481 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", 482 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); 483 if (vhtc->vht_mcs.rx_highest) 484 p += scnprintf(p, sizeof(buf)+buf-p, 485 "MCS RX highest: %d Mbps\n", 486 le16_to_cpu(vhtc->vht_mcs.rx_highest)); 487 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", 488 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); 489 if (vhtc->vht_mcs.tx_highest) 490 p += scnprintf(p, sizeof(buf)+buf-p, 491 "MCS TX highest: %d Mbps\n", 492 le16_to_cpu(vhtc->vht_mcs.tx_highest)); 493 #undef PFLAG 494 } 495 496 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 497 } 498 STA_OPS(vht_capa); 499 500 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf, 501 size_t count, loff_t *ppos) 502 { 503 char *buf, *p; 504 size_t buf_sz = PAGE_SIZE; 505 struct sta_info *sta = file->private_data; 506 struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap; 507 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp; 508 u8 ppe_size; 509 u8 *cap; 510 int i; 511 ssize_t ret; 512 513 buf = kmalloc(buf_sz, GFP_KERNEL); 514 if (!buf) 515 return -ENOMEM; 516 p = buf; 517 518 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n", 519 hec->has_he ? "" : "not "); 520 if (!hec->has_he) 521 goto out; 522 523 cap = hec->he_cap_elem.mac_cap_info; 524 p += scnprintf(p, buf_sz + buf - p, 525 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 526 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]); 527 528 #define PRINT(fmt, ...) \ 529 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \ 530 ##__VA_ARGS__) 531 532 #define PFLAG(t, n, a, b) \ 533 do { \ 534 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \ 535 PRINT("%s", b); \ 536 } while (0) 537 538 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \ 539 do { \ 540 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \ 541 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \ 542 PRINT(fmt, (s << idx) + (m * idx)); \ 543 } while (0) 544 545 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \ 546 do { \ 547 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \ 548 PRINT("%s", b); \ 549 break; \ 550 } \ 551 PFLAG_RANGE(t, i, n, s, m, off, fmt); \ 552 } while (0) 553 554 PFLAG(MAC, 0, HTC_HE, "HTC-HE"); 555 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ"); 556 PFLAG(MAC, 0, TWT_RES, "TWT-RES"); 557 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0, 558 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP"); 559 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0, 560 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED"); 561 562 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1, 563 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED"); 564 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0, 565 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN"); 566 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1, 567 "MULTI-TID-AGG-RX-QOS-%d"); 568 569 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) { 570 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) { 571 case 0: 572 PRINT("LINK-ADAPTATION-NO-FEEDBACK"); 573 break; 574 case 1: 575 PRINT("LINK-ADAPTATION-RESERVED"); 576 break; 577 case 2: 578 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK"); 579 break; 580 case 3: 581 PRINT("LINK-ADAPTATION-BOTH"); 582 break; 583 } 584 } 585 586 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK"); 587 PFLAG(MAC, 2, TRS, "TRS"); 588 PFLAG(MAC, 2, BSR, "BSR"); 589 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT"); 590 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP"); 591 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING"); 592 PFLAG(MAC, 2, ACK_EN, "ACK-EN"); 593 594 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL"); 595 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA"); 596 597 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) { 598 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT: 599 PRINT("MAX-AMPDU-LEN-EXP-USE-VHT"); 600 break; 601 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1: 602 PRINT("MAX-AMPDU-LEN-EXP-VHT-1"); 603 break; 604 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2: 605 PRINT("MAX-AMPDU-LEN-EXP-VHT-2"); 606 break; 607 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED: 608 PRINT("MAX-AMPDU-LEN-EXP-RESERVED"); 609 break; 610 } 611 612 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG"); 613 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED"); 614 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS"); 615 616 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG"); 617 PFLAG(MAC, 4, QTP, "QTP"); 618 PFLAG(MAC, 4, BQR, "BQR"); 619 PFLAG(MAC, 4, SRP_RESP, "SRP-RESP"); 620 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP"); 621 PFLAG(MAC, 4, OPS, "OPS"); 622 PFLAG(MAC, 4, AMDSU_IN_AMPDU, "AMSDU-IN-AMPDU"); 623 624 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7); 625 626 PFLAG(MAC, 5, SUBCHAN_SELECVITE_TRANSMISSION, 627 "SUBCHAN-SELECVITE-TRANSMISSION"); 628 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU"); 629 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX"); 630 631 cap = hec->he_cap_elem.phy_cap_info; 632 p += scnprintf(p, buf_sz + buf - p, 633 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 634 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6], 635 cap[7], cap[8], cap[9], cap[10]); 636 637 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G, 638 "CHANNEL-WIDTH-SET-40MHZ-IN-2G"); 639 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G, 640 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G"); 641 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G, 642 "CHANNEL-WIDTH-SET-160MHZ-IN-5G"); 643 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G, 644 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G"); 645 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G, 646 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G"); 647 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G, 648 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G"); 649 650 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) { 651 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ: 652 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ"); 653 break; 654 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ: 655 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ"); 656 break; 657 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ: 658 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ"); 659 break; 660 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ: 661 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ"); 662 break; 663 } 664 665 PFLAG(PHY, 1, DEVICE_CLASS_A, 666 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A"); 667 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD, 668 "LDPC-CODING-IN-PAYLOAD"); 669 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US, 670 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US"); 671 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3); 672 673 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US"); 674 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ"); 675 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ"); 676 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX"); 677 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX"); 678 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO"); 679 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO"); 680 681 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) { 682 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM: 683 PRINT("DCM-MAX-CONST-TX-NO-DCM"); 684 break; 685 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK: 686 PRINT("DCM-MAX-CONST-TX-BPSK"); 687 break; 688 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK: 689 PRINT("DCM-MAX-CONST-TX-QPSK"); 690 break; 691 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM: 692 PRINT("DCM-MAX-CONST-TX-16-QAM"); 693 break; 694 } 695 696 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1"); 697 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2"); 698 699 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) { 700 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM: 701 PRINT("DCM-MAX-CONST-RX-NO-DCM"); 702 break; 703 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK: 704 PRINT("DCM-MAX-CONST-RX-BPSK"); 705 break; 706 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK: 707 PRINT("DCM-MAX-CONST-RX-QPSK"); 708 break; 709 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM: 710 PRINT("DCM-MAX-CONST-RX-16-QAM"); 711 break; 712 } 713 714 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1"); 715 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2"); 716 PFLAG(PHY, 3, RX_HE_MU_PPDU_FROM_NON_AP_STA, 717 "RX-HE-MU-PPDU-FROM-NON-AP-STA"); 718 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER"); 719 720 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE"); 721 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER"); 722 723 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4, 724 "BEAMFORMEE-MAX-STS-UNDER-%d"); 725 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4, 726 "BEAMFORMEE-MAX-STS-ABOVE-%d"); 727 728 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1, 729 "NUM-SND-DIM-UNDER-80MHZ-%d"); 730 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1, 731 "NUM-SND-DIM-ABOVE-80MHZ-%d"); 732 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK"); 733 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK"); 734 735 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU"); 736 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU"); 737 PFLAG(PHY, 6, TRIG_SU_BEAMFORMER_FB, "TRIG-SU-BEAMFORMER-FB"); 738 PFLAG(PHY, 6, TRIG_MU_BEAMFORMER_FB, "TRIG-MU-BEAMFORMER-FB"); 739 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB"); 740 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE"); 741 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO, 742 "PARTIAL-BANDWIDTH-DL-MUMIMO"); 743 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT"); 744 745 PFLAG(PHY, 7, SRP_BASED_SR, "SRP-BASED-SR"); 746 PFLAG(PHY, 7, POWER_BOOST_FACTOR_AR, "POWER-BOOST-FACTOR-AR"); 747 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI, 748 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI"); 749 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d"); 750 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ"); 751 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ"); 752 753 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI, 754 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI"); 755 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G, 756 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G"); 757 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU"); 758 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU"); 759 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI, 760 "HE-ER-SU-1XLTF-AND-08-US-GI"); 761 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF, 762 "MIDAMBLE-RX-TX-2X-AND-1XLTF"); 763 764 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_MASK) { 765 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_20MHZ: 766 PRINT("DDCM-MAX-BW-20MHZ"); 767 break; 768 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_40MHZ: 769 PRINT("DCM-MAX-BW-40MHZ"); 770 break; 771 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_80MHZ: 772 PRINT("DCM-MAX-BW-80MHZ"); 773 break; 774 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_160_OR_80P80_MHZ: 775 PRINT("DCM-MAX-BW-160-OR-80P80-MHZ"); 776 break; 777 } 778 779 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM, 780 "LONGER-THAN-16-SIGB-OFDM-SYM"); 781 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK, 782 "NON-TRIGGERED-CQI-FEEDBACK"); 783 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU, 784 "TX-1024-QAM-LESS-THAN-242-TONE-RU"); 785 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU, 786 "RX-1024-QAM-LESS-THAN-242-TONE-RU"); 787 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB, 788 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB"); 789 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB, 790 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB"); 791 792 #undef PFLAG_RANGE_DEFAULT 793 #undef PFLAG_RANGE 794 #undef PFLAG 795 796 #define PRINT_NSS_SUPP(f, n) \ 797 do { \ 798 int _i; \ 799 u16 v = le16_to_cpu(nss->f); \ 800 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \ 801 for (_i = 0; _i < 8; _i += 2) { \ 802 switch ((v >> _i) & 0x3) { \ 803 case 0: \ 804 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \ 805 break; \ 806 case 1: \ 807 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \ 808 break; \ 809 case 2: \ 810 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \ 811 break; \ 812 case 3: \ 813 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \ 814 break; \ 815 } \ 816 } \ 817 } while (0) 818 819 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80"); 820 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80"); 821 822 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) { 823 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160"); 824 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160"); 825 } 826 827 if (cap[0] & 828 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { 829 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80"); 830 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80"); 831 } 832 833 #undef PRINT_NSS_SUPP 834 #undef PRINT 835 836 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)) 837 goto out; 838 839 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x", 840 hec->ppe_thres[0]); 841 842 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap); 843 for (i = 1; i < ppe_size; i++) { 844 p += scnprintf(p, buf_sz + buf - p, " %#.2x", 845 hec->ppe_thres[i]); 846 } 847 p += scnprintf(p, buf_sz + buf - p, "\n"); 848 849 out: 850 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 851 kfree(buf); 852 return ret; 853 } 854 STA_OPS(he_capa); 855 856 #define DEBUGFS_ADD(name) \ 857 debugfs_create_file(#name, 0400, \ 858 sta->debugfs_dir, sta, &sta_ ##name## _ops); 859 860 #define DEBUGFS_ADD_COUNTER(name, field) \ 861 if (sizeof(sta->field) == sizeof(u32)) \ 862 debugfs_create_u32(#name, 0400, sta->debugfs_dir, \ 863 (u32 *) &sta->field); \ 864 else \ 865 debugfs_create_u64(#name, 0400, sta->debugfs_dir, \ 866 (u64 *) &sta->field); 867 868 void ieee80211_sta_debugfs_add(struct sta_info *sta) 869 { 870 struct ieee80211_local *local = sta->local; 871 struct ieee80211_sub_if_data *sdata = sta->sdata; 872 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; 873 u8 mac[3*ETH_ALEN]; 874 875 if (!stations_dir) 876 return; 877 878 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); 879 880 /* 881 * This might fail due to a race condition: 882 * When mac80211 unlinks a station, the debugfs entries 883 * remain, but it is already possible to link a new 884 * station with the same address which triggers adding 885 * it to debugfs; therefore, if the old station isn't 886 * destroyed quickly enough the old station's debugfs 887 * dir might still be around. 888 */ 889 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir); 890 if (!sta->debugfs_dir) 891 return; 892 893 DEBUGFS_ADD(flags); 894 DEBUGFS_ADD(aid); 895 DEBUGFS_ADD(num_ps_buf_frames); 896 DEBUGFS_ADD(last_seq_ctrl); 897 DEBUGFS_ADD(agg_status); 898 DEBUGFS_ADD(ht_capa); 899 DEBUGFS_ADD(vht_capa); 900 DEBUGFS_ADD(he_capa); 901 902 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates); 903 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); 904 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered); 905 906 if (local->ops->wake_tx_queue) 907 DEBUGFS_ADD(aqm); 908 909 if (sizeof(sta->driver_buffered_tids) == sizeof(u32)) 910 debugfs_create_x32("driver_buffered_tids", 0400, 911 sta->debugfs_dir, 912 (u32 *)&sta->driver_buffered_tids); 913 else 914 debugfs_create_x64("driver_buffered_tids", 0400, 915 sta->debugfs_dir, 916 (u64 *)&sta->driver_buffered_tids); 917 918 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir); 919 } 920 921 void ieee80211_sta_debugfs_remove(struct sta_info *sta) 922 { 923 debugfs_remove_recursive(sta->debugfs_dir); 924 sta->debugfs_dir = NULL; 925 } 926