1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright 2003-2005 Devicescape Software, Inc. 4 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> 5 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> 6 * Copyright 2013-2014 Intel Mobile Communications GmbH 7 * Copyright(c) 2016 Intel Deutschland GmbH 8 * Copyright (C) 2018 - 2020 Intel Corporation 9 */ 10 11 #include <linux/debugfs.h> 12 #include <linux/ieee80211.h> 13 #include "ieee80211_i.h" 14 #include "debugfs.h" 15 #include "debugfs_sta.h" 16 #include "sta_info.h" 17 #include "driver-ops.h" 18 19 /* sta attributtes */ 20 21 #define STA_READ(name, field, format_string) \ 22 static ssize_t sta_ ##name## _read(struct file *file, \ 23 char __user *userbuf, \ 24 size_t count, loff_t *ppos) \ 25 { \ 26 struct sta_info *sta = file->private_data; \ 27 return mac80211_format_buffer(userbuf, count, ppos, \ 28 format_string, sta->field); \ 29 } 30 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n") 31 32 #define STA_OPS(name) \ 33 static const struct file_operations sta_ ##name## _ops = { \ 34 .read = sta_##name##_read, \ 35 .open = simple_open, \ 36 .llseek = generic_file_llseek, \ 37 } 38 39 #define STA_OPS_RW(name) \ 40 static const struct file_operations sta_ ##name## _ops = { \ 41 .read = sta_##name##_read, \ 42 .write = sta_##name##_write, \ 43 .open = simple_open, \ 44 .llseek = generic_file_llseek, \ 45 } 46 47 #define STA_FILE(name, field, format) \ 48 STA_READ_##format(name, field) \ 49 STA_OPS(name) 50 51 STA_FILE(aid, sta.aid, D); 52 53 static const char * const sta_flag_names[] = { 54 #define FLAG(F) [WLAN_STA_##F] = #F 55 FLAG(AUTH), 56 FLAG(ASSOC), 57 FLAG(PS_STA), 58 FLAG(AUTHORIZED), 59 FLAG(SHORT_PREAMBLE), 60 FLAG(WDS), 61 FLAG(CLEAR_PS_FILT), 62 FLAG(MFP), 63 FLAG(BLOCK_BA), 64 FLAG(PS_DRIVER), 65 FLAG(PSPOLL), 66 FLAG(TDLS_PEER), 67 FLAG(TDLS_PEER_AUTH), 68 FLAG(TDLS_INITIATOR), 69 FLAG(TDLS_CHAN_SWITCH), 70 FLAG(TDLS_OFF_CHANNEL), 71 FLAG(TDLS_WIDER_BW), 72 FLAG(UAPSD), 73 FLAG(SP), 74 FLAG(4ADDR_EVENT), 75 FLAG(INSERTED), 76 FLAG(RATE_CONTROL), 77 FLAG(TOFFSET_KNOWN), 78 FLAG(MPSP_OWNER), 79 FLAG(MPSP_RECIPIENT), 80 FLAG(PS_DELIVER), 81 FLAG(USES_ENCRYPTION), 82 #undef FLAG 83 }; 84 85 static ssize_t sta_flags_read(struct file *file, char __user *userbuf, 86 size_t count, loff_t *ppos) 87 { 88 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf; 89 char *end = buf + sizeof(buf) - 1; 90 struct sta_info *sta = file->private_data; 91 unsigned int flg; 92 93 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS); 94 95 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) { 96 if (test_sta_flag(sta, flg)) 97 pos += scnprintf(pos, end - pos, "%s\n", 98 sta_flag_names[flg]); 99 } 100 101 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf)); 102 } 103 STA_OPS(flags); 104 105 static ssize_t sta_num_ps_buf_frames_read(struct file *file, 106 char __user *userbuf, 107 size_t count, loff_t *ppos) 108 { 109 struct sta_info *sta = file->private_data; 110 char buf[17*IEEE80211_NUM_ACS], *p = buf; 111 int ac; 112 113 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 114 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, 115 skb_queue_len(&sta->ps_tx_buf[ac]) + 116 skb_queue_len(&sta->tx_filtered[ac])); 117 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 118 } 119 STA_OPS(num_ps_buf_frames); 120 121 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, 122 size_t count, loff_t *ppos) 123 { 124 char buf[15*IEEE80211_NUM_TIDS], *p = buf; 125 int i; 126 struct sta_info *sta = file->private_data; 127 for (i = 0; i < IEEE80211_NUM_TIDS; i++) 128 p += scnprintf(p, sizeof(buf)+buf-p, "%x ", 129 le16_to_cpu(sta->last_seq_ctrl[i])); 130 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 131 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 132 } 133 STA_OPS(last_seq_ctrl); 134 135 #define AQM_TXQ_ENTRY_LEN 130 136 137 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, 138 size_t count, loff_t *ppos) 139 { 140 struct sta_info *sta = file->private_data; 141 struct ieee80211_local *local = sta->local; 142 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2); 143 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 144 struct txq_info *txqi; 145 ssize_t rv; 146 int i; 147 148 if (!buf) 149 return -ENOMEM; 150 151 spin_lock_bh(&local->fq.lock); 152 rcu_read_lock(); 153 154 p += scnprintf(p, 155 bufsz+buf-p, 156 "target %uus interval %uus ecn %s\n", 157 codel_time_to_us(sta->cparams.target), 158 codel_time_to_us(sta->cparams.interval), 159 sta->cparams.ecn ? "yes" : "no"); 160 p += scnprintf(p, 161 bufsz+buf-p, 162 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n"); 163 164 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) { 165 if (!sta->sta.txq[i]) 166 continue; 167 txqi = to_txq_info(sta->sta.txq[i]); 168 p += scnprintf(p, bufsz+buf-p, 169 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n", 170 txqi->txq.tid, 171 txqi->txq.ac, 172 txqi->tin.backlog_bytes, 173 txqi->tin.backlog_packets, 174 txqi->tin.flows, 175 txqi->cstats.drop_count, 176 txqi->cstats.ecn_mark, 177 txqi->tin.overlimit, 178 txqi->tin.collisions, 179 txqi->tin.tx_bytes, 180 txqi->tin.tx_packets, 181 txqi->flags, 182 test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN", 183 test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "", 184 test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : ""); 185 } 186 187 rcu_read_unlock(); 188 spin_unlock_bh(&local->fq.lock); 189 190 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 191 kfree(buf); 192 return rv; 193 } 194 STA_OPS(aqm); 195 196 static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, 197 size_t count, loff_t *ppos) 198 { 199 struct sta_info *sta = file->private_data; 200 struct ieee80211_local *local = sta->sdata->local; 201 size_t bufsz = 400; 202 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 203 u64 rx_airtime = 0, tx_airtime = 0; 204 s64 deficit[IEEE80211_NUM_ACS]; 205 ssize_t rv; 206 int ac; 207 208 if (!buf) 209 return -ENOMEM; 210 211 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 212 spin_lock_bh(&local->active_txq_lock[ac]); 213 rx_airtime += sta->airtime[ac].rx_airtime; 214 tx_airtime += sta->airtime[ac].tx_airtime; 215 deficit[ac] = sta->airtime[ac].deficit; 216 spin_unlock_bh(&local->active_txq_lock[ac]); 217 } 218 219 p += scnprintf(p, bufsz + buf - p, 220 "RX: %llu us\nTX: %llu us\nWeight: %u\n" 221 "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n", 222 rx_airtime, tx_airtime, sta->airtime_weight, 223 deficit[0], deficit[1], deficit[2], deficit[3]); 224 225 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 226 kfree(buf); 227 return rv; 228 } 229 230 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf, 231 size_t count, loff_t *ppos) 232 { 233 struct sta_info *sta = file->private_data; 234 struct ieee80211_local *local = sta->sdata->local; 235 int ac; 236 237 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 238 spin_lock_bh(&local->active_txq_lock[ac]); 239 sta->airtime[ac].rx_airtime = 0; 240 sta->airtime[ac].tx_airtime = 0; 241 sta->airtime[ac].deficit = sta->airtime_weight; 242 spin_unlock_bh(&local->active_txq_lock[ac]); 243 } 244 245 return count; 246 } 247 STA_OPS_RW(airtime); 248 249 static ssize_t sta_aql_read(struct file *file, char __user *userbuf, 250 size_t count, loff_t *ppos) 251 { 252 struct sta_info *sta = file->private_data; 253 struct ieee80211_local *local = sta->sdata->local; 254 size_t bufsz = 400; 255 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 256 u32 q_depth[IEEE80211_NUM_ACS]; 257 u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS]; 258 ssize_t rv; 259 int ac; 260 261 if (!buf) 262 return -ENOMEM; 263 264 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 265 spin_lock_bh(&local->active_txq_lock[ac]); 266 q_limit_l[ac] = sta->airtime[ac].aql_limit_low; 267 q_limit_h[ac] = sta->airtime[ac].aql_limit_high; 268 spin_unlock_bh(&local->active_txq_lock[ac]); 269 q_depth[ac] = atomic_read(&sta->airtime[ac].aql_tx_pending); 270 } 271 272 p += scnprintf(p, bufsz + buf - p, 273 "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n" 274 "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n", 275 q_depth[0], q_depth[1], q_depth[2], q_depth[3], 276 q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1], 277 q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]), 278 279 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 280 kfree(buf); 281 return rv; 282 } 283 284 static ssize_t sta_aql_write(struct file *file, const char __user *userbuf, 285 size_t count, loff_t *ppos) 286 { 287 struct sta_info *sta = file->private_data; 288 u32 ac, q_limit_l, q_limit_h; 289 char _buf[100] = {}, *buf = _buf; 290 291 if (count > sizeof(_buf)) 292 return -EINVAL; 293 294 if (copy_from_user(buf, userbuf, count)) 295 return -EFAULT; 296 297 buf[sizeof(_buf) - 1] = '\0'; 298 if (sscanf(buf, "limit %u %u %u", &ac, &q_limit_l, &q_limit_h) 299 != 3) 300 return -EINVAL; 301 302 if (ac >= IEEE80211_NUM_ACS) 303 return -EINVAL; 304 305 sta->airtime[ac].aql_limit_low = q_limit_l; 306 sta->airtime[ac].aql_limit_high = q_limit_h; 307 308 return count; 309 } 310 STA_OPS_RW(aql); 311 312 313 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, 314 size_t count, loff_t *ppos) 315 { 316 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; 317 int i; 318 struct sta_info *sta = file->private_data; 319 struct tid_ampdu_rx *tid_rx; 320 struct tid_ampdu_tx *tid_tx; 321 322 rcu_read_lock(); 323 324 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", 325 sta->ampdu_mlme.dialog_token_allocator + 1); 326 p += scnprintf(p, sizeof(buf) + buf - p, 327 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); 328 329 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 330 bool tid_rx_valid; 331 332 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); 333 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); 334 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid); 335 336 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); 337 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", 338 tid_rx_valid); 339 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 340 tid_rx_valid ? 341 sta->ampdu_mlme.tid_rx_token[i] : 0); 342 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", 343 tid_rx ? tid_rx->ssn : 0); 344 345 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); 346 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 347 tid_tx ? tid_tx->dialog_token : 0); 348 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", 349 tid_tx ? skb_queue_len(&tid_tx->pending) : 0); 350 p += scnprintf(p, sizeof(buf) + buf - p, "\n"); 351 } 352 rcu_read_unlock(); 353 354 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 355 } 356 357 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, 358 size_t count, loff_t *ppos) 359 { 360 char _buf[25] = {}, *buf = _buf; 361 struct sta_info *sta = file->private_data; 362 bool start, tx; 363 unsigned long tid; 364 char *pos; 365 int ret, timeout = 5000; 366 367 if (count > sizeof(_buf)) 368 return -EINVAL; 369 370 if (copy_from_user(buf, userbuf, count)) 371 return -EFAULT; 372 373 buf[sizeof(_buf) - 1] = '\0'; 374 pos = buf; 375 buf = strsep(&pos, " "); 376 if (!buf) 377 return -EINVAL; 378 379 if (!strcmp(buf, "tx")) 380 tx = true; 381 else if (!strcmp(buf, "rx")) 382 tx = false; 383 else 384 return -EINVAL; 385 386 buf = strsep(&pos, " "); 387 if (!buf) 388 return -EINVAL; 389 if (!strcmp(buf, "start")) { 390 start = true; 391 if (!tx) 392 return -EINVAL; 393 } else if (!strcmp(buf, "stop")) { 394 start = false; 395 } else { 396 return -EINVAL; 397 } 398 399 buf = strsep(&pos, " "); 400 if (!buf) 401 return -EINVAL; 402 if (sscanf(buf, "timeout=%d", &timeout) == 1) { 403 buf = strsep(&pos, " "); 404 if (!buf || !tx || !start) 405 return -EINVAL; 406 } 407 408 ret = kstrtoul(buf, 0, &tid); 409 if (ret || tid >= IEEE80211_NUM_TIDS) 410 return -EINVAL; 411 412 if (tx) { 413 if (start) 414 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 415 timeout); 416 else 417 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); 418 } else { 419 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 420 3, true); 421 ret = 0; 422 } 423 424 return ret ?: count; 425 } 426 STA_OPS_RW(agg_status); 427 428 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, 429 size_t count, loff_t *ppos) 430 { 431 #define PRINT_HT_CAP(_cond, _str) \ 432 do { \ 433 if (_cond) \ 434 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ 435 } while (0) 436 char buf[512], *p = buf; 437 int i; 438 struct sta_info *sta = file->private_data; 439 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; 440 441 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", 442 htc->ht_supported ? "" : "not "); 443 if (htc->ht_supported) { 444 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); 445 446 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); 447 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); 448 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); 449 450 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); 451 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); 452 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); 453 454 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); 455 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); 456 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); 457 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); 458 459 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); 460 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); 461 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); 462 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); 463 464 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); 465 466 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " 467 "3839 bytes"); 468 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " 469 "7935 bytes"); 470 471 /* 472 * For beacons and probe response this would mean the BSS 473 * does or does not allow the usage of DSSS/CCK HT40. 474 * Otherwise it means the STA does or does not use 475 * DSSS/CCK HT40. 476 */ 477 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); 478 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); 479 480 /* BIT(13) is reserved */ 481 482 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); 483 484 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); 485 486 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", 487 htc->ampdu_factor, htc->ampdu_density); 488 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); 489 490 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) 491 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", 492 htc->mcs.rx_mask[i]); 493 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 494 495 /* If not set this is meaningless */ 496 if (le16_to_cpu(htc->mcs.rx_highest)) { 497 p += scnprintf(p, sizeof(buf)+buf-p, 498 "MCS rx highest: %d Mbps\n", 499 le16_to_cpu(htc->mcs.rx_highest)); 500 } 501 502 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", 503 htc->mcs.tx_params); 504 } 505 506 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 507 } 508 STA_OPS(ht_capa); 509 510 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, 511 size_t count, loff_t *ppos) 512 { 513 char buf[512], *p = buf; 514 struct sta_info *sta = file->private_data; 515 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; 516 517 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", 518 vhtc->vht_supported ? "" : "not "); 519 if (vhtc->vht_supported) { 520 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n", 521 vhtc->cap); 522 #define PFLAG(a, b) \ 523 do { \ 524 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \ 525 p += scnprintf(p, sizeof(buf) + buf - p, \ 526 "\t\t%s\n", b); \ 527 } while (0) 528 529 switch (vhtc->cap & 0x3) { 530 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: 531 p += scnprintf(p, sizeof(buf) + buf - p, 532 "\t\tMAX-MPDU-3895\n"); 533 break; 534 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: 535 p += scnprintf(p, sizeof(buf) + buf - p, 536 "\t\tMAX-MPDU-7991\n"); 537 break; 538 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: 539 p += scnprintf(p, sizeof(buf) + buf - p, 540 "\t\tMAX-MPDU-11454\n"); 541 break; 542 default: 543 p += scnprintf(p, sizeof(buf) + buf - p, 544 "\t\tMAX-MPDU-UNKNOWN\n"); 545 } 546 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 547 case 0: 548 p += scnprintf(p, sizeof(buf) + buf - p, 549 "\t\t80Mhz\n"); 550 break; 551 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 552 p += scnprintf(p, sizeof(buf) + buf - p, 553 "\t\t160Mhz\n"); 554 break; 555 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 556 p += scnprintf(p, sizeof(buf) + buf - p, 557 "\t\t80+80Mhz\n"); 558 break; 559 default: 560 p += scnprintf(p, sizeof(buf) + buf - p, 561 "\t\tUNKNOWN-MHZ: 0x%x\n", 562 (vhtc->cap >> 2) & 0x3); 563 } 564 PFLAG(RXLDPC, "RXLDPC"); 565 PFLAG(SHORT_GI_80, "SHORT-GI-80"); 566 PFLAG(SHORT_GI_160, "SHORT-GI-160"); 567 PFLAG(TXSTBC, "TXSTBC"); 568 p += scnprintf(p, sizeof(buf) + buf - p, 569 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7); 570 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE"); 571 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE"); 572 p += scnprintf(p, sizeof(buf) + buf - p, 573 "\t\tBEAMFORMEE-STS: 0x%x\n", 574 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >> 575 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 576 p += scnprintf(p, sizeof(buf) + buf - p, 577 "\t\tSOUNDING-DIMENSIONS: 0x%x\n", 578 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK) 579 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); 580 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE"); 581 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE"); 582 PFLAG(VHT_TXOP_PS, "TXOP-PS"); 583 PFLAG(HTC_VHT, "HTC-VHT"); 584 p += scnprintf(p, sizeof(buf) + buf - p, 585 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n", 586 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 587 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); 588 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB, 589 "LINK-ADAPTATION-VHT-UNSOL-MFB"); 590 p += scnprintf(p, sizeof(buf) + buf - p, 591 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n", 592 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26); 593 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN"); 594 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN"); 595 596 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", 597 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); 598 if (vhtc->vht_mcs.rx_highest) 599 p += scnprintf(p, sizeof(buf)+buf-p, 600 "MCS RX highest: %d Mbps\n", 601 le16_to_cpu(vhtc->vht_mcs.rx_highest)); 602 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", 603 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); 604 if (vhtc->vht_mcs.tx_highest) 605 p += scnprintf(p, sizeof(buf)+buf-p, 606 "MCS TX highest: %d Mbps\n", 607 le16_to_cpu(vhtc->vht_mcs.tx_highest)); 608 #undef PFLAG 609 } 610 611 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 612 } 613 STA_OPS(vht_capa); 614 615 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf, 616 size_t count, loff_t *ppos) 617 { 618 char *buf, *p; 619 size_t buf_sz = PAGE_SIZE; 620 struct sta_info *sta = file->private_data; 621 struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap; 622 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp; 623 u8 ppe_size; 624 u8 *cap; 625 int i; 626 ssize_t ret; 627 628 buf = kmalloc(buf_sz, GFP_KERNEL); 629 if (!buf) 630 return -ENOMEM; 631 p = buf; 632 633 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n", 634 hec->has_he ? "" : "not "); 635 if (!hec->has_he) 636 goto out; 637 638 cap = hec->he_cap_elem.mac_cap_info; 639 p += scnprintf(p, buf_sz + buf - p, 640 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 641 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]); 642 643 #define PRINT(fmt, ...) \ 644 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \ 645 ##__VA_ARGS__) 646 647 #define PFLAG(t, n, a, b) \ 648 do { \ 649 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \ 650 PRINT("%s", b); \ 651 } while (0) 652 653 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \ 654 do { \ 655 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \ 656 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \ 657 PRINT(fmt, (s << idx) + (m * idx)); \ 658 } while (0) 659 660 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \ 661 do { \ 662 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \ 663 PRINT("%s", b); \ 664 break; \ 665 } \ 666 PFLAG_RANGE(t, i, n, s, m, off, fmt); \ 667 } while (0) 668 669 PFLAG(MAC, 0, HTC_HE, "HTC-HE"); 670 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ"); 671 PFLAG(MAC, 0, TWT_RES, "TWT-RES"); 672 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0, 673 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP"); 674 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0, 675 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED"); 676 677 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1, 678 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED"); 679 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0, 680 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN"); 681 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1, 682 "MULTI-TID-AGG-RX-QOS-%d"); 683 684 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) { 685 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) { 686 case 0: 687 PRINT("LINK-ADAPTATION-NO-FEEDBACK"); 688 break; 689 case 1: 690 PRINT("LINK-ADAPTATION-RESERVED"); 691 break; 692 case 2: 693 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK"); 694 break; 695 case 3: 696 PRINT("LINK-ADAPTATION-BOTH"); 697 break; 698 } 699 } 700 701 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK"); 702 PFLAG(MAC, 2, TRS, "TRS"); 703 PFLAG(MAC, 2, BSR, "BSR"); 704 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT"); 705 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP"); 706 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING"); 707 PFLAG(MAC, 2, ACK_EN, "ACK-EN"); 708 709 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL"); 710 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA"); 711 712 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) { 713 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT: 714 PRINT("MAX-AMPDU-LEN-EXP-USE-VHT"); 715 break; 716 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1: 717 PRINT("MAX-AMPDU-LEN-EXP-VHT-1"); 718 break; 719 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2: 720 PRINT("MAX-AMPDU-LEN-EXP-VHT-2"); 721 break; 722 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED: 723 PRINT("MAX-AMPDU-LEN-EXP-RESERVED"); 724 break; 725 } 726 727 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG"); 728 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED"); 729 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS"); 730 731 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG"); 732 PFLAG(MAC, 4, QTP, "QTP"); 733 PFLAG(MAC, 4, BQR, "BQR"); 734 PFLAG(MAC, 4, SRP_RESP, "SRP-RESP"); 735 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP"); 736 PFLAG(MAC, 4, OPS, "OPS"); 737 PFLAG(MAC, 4, AMDSU_IN_AMPDU, "AMSDU-IN-AMPDU"); 738 739 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7); 740 741 PFLAG(MAC, 5, SUBCHAN_SELECVITE_TRANSMISSION, 742 "SUBCHAN-SELECVITE-TRANSMISSION"); 743 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU"); 744 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX"); 745 PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS"); 746 PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING"); 747 PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX"); 748 749 cap = hec->he_cap_elem.phy_cap_info; 750 p += scnprintf(p, buf_sz + buf - p, 751 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 752 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6], 753 cap[7], cap[8], cap[9], cap[10]); 754 755 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G, 756 "CHANNEL-WIDTH-SET-40MHZ-IN-2G"); 757 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G, 758 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G"); 759 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G, 760 "CHANNEL-WIDTH-SET-160MHZ-IN-5G"); 761 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G, 762 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G"); 763 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G, 764 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G"); 765 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G, 766 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G"); 767 768 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) { 769 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ: 770 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ"); 771 break; 772 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ: 773 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ"); 774 break; 775 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ: 776 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ"); 777 break; 778 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ: 779 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ"); 780 break; 781 } 782 783 PFLAG(PHY, 1, DEVICE_CLASS_A, 784 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A"); 785 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD, 786 "LDPC-CODING-IN-PAYLOAD"); 787 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US, 788 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US"); 789 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3); 790 791 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US"); 792 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ"); 793 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ"); 794 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX"); 795 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX"); 796 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO"); 797 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO"); 798 799 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) { 800 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM: 801 PRINT("DCM-MAX-CONST-TX-NO-DCM"); 802 break; 803 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK: 804 PRINT("DCM-MAX-CONST-TX-BPSK"); 805 break; 806 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK: 807 PRINT("DCM-MAX-CONST-TX-QPSK"); 808 break; 809 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM: 810 PRINT("DCM-MAX-CONST-TX-16-QAM"); 811 break; 812 } 813 814 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1"); 815 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2"); 816 817 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) { 818 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM: 819 PRINT("DCM-MAX-CONST-RX-NO-DCM"); 820 break; 821 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK: 822 PRINT("DCM-MAX-CONST-RX-BPSK"); 823 break; 824 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK: 825 PRINT("DCM-MAX-CONST-RX-QPSK"); 826 break; 827 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM: 828 PRINT("DCM-MAX-CONST-RX-16-QAM"); 829 break; 830 } 831 832 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1"); 833 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2"); 834 PFLAG(PHY, 3, RX_HE_MU_PPDU_FROM_NON_AP_STA, 835 "RX-HE-MU-PPDU-FROM-NON-AP-STA"); 836 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER"); 837 838 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE"); 839 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER"); 840 841 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4, 842 "BEAMFORMEE-MAX-STS-UNDER-%d"); 843 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4, 844 "BEAMFORMEE-MAX-STS-ABOVE-%d"); 845 846 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1, 847 "NUM-SND-DIM-UNDER-80MHZ-%d"); 848 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1, 849 "NUM-SND-DIM-ABOVE-80MHZ-%d"); 850 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK"); 851 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK"); 852 853 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU"); 854 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU"); 855 PFLAG(PHY, 6, TRIG_SU_BEAMFORMER_FB, "TRIG-SU-BEAMFORMER-FB"); 856 PFLAG(PHY, 6, TRIG_MU_BEAMFORMER_FB, "TRIG-MU-BEAMFORMER-FB"); 857 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB"); 858 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE"); 859 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO, 860 "PARTIAL-BANDWIDTH-DL-MUMIMO"); 861 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT"); 862 863 PFLAG(PHY, 7, SRP_BASED_SR, "SRP-BASED-SR"); 864 PFLAG(PHY, 7, POWER_BOOST_FACTOR_AR, "POWER-BOOST-FACTOR-AR"); 865 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI, 866 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI"); 867 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d"); 868 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ"); 869 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ"); 870 871 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI, 872 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI"); 873 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G, 874 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G"); 875 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU"); 876 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU"); 877 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI, 878 "HE-ER-SU-1XLTF-AND-08-US-GI"); 879 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF, 880 "MIDAMBLE-RX-TX-2X-AND-1XLTF"); 881 882 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) { 883 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242: 884 PRINT("DCM-MAX-RU-242"); 885 break; 886 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484: 887 PRINT("DCM-MAX-RU-484"); 888 break; 889 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996: 890 PRINT("DCM-MAX-RU-996"); 891 break; 892 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996: 893 PRINT("DCM-MAX-RU-2x996"); 894 break; 895 } 896 897 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM, 898 "LONGER-THAN-16-SIGB-OFDM-SYM"); 899 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK, 900 "NON-TRIGGERED-CQI-FEEDBACK"); 901 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU, 902 "TX-1024-QAM-LESS-THAN-242-TONE-RU"); 903 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU, 904 "RX-1024-QAM-LESS-THAN-242-TONE-RU"); 905 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB, 906 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB"); 907 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB, 908 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB"); 909 910 switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 911 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 912 PRINT("NOMINAL-PACKET-PADDING-0US"); 913 break; 914 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 915 PRINT("NOMINAL-PACKET-PADDING-8US"); 916 break; 917 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 918 PRINT("NOMINAL-PACKET-PADDING-16US"); 919 break; 920 } 921 922 #undef PFLAG_RANGE_DEFAULT 923 #undef PFLAG_RANGE 924 #undef PFLAG 925 926 #define PRINT_NSS_SUPP(f, n) \ 927 do { \ 928 int _i; \ 929 u16 v = le16_to_cpu(nss->f); \ 930 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \ 931 for (_i = 0; _i < 8; _i += 2) { \ 932 switch ((v >> _i) & 0x3) { \ 933 case 0: \ 934 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \ 935 break; \ 936 case 1: \ 937 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \ 938 break; \ 939 case 2: \ 940 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \ 941 break; \ 942 case 3: \ 943 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \ 944 break; \ 945 } \ 946 } \ 947 } while (0) 948 949 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80"); 950 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80"); 951 952 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) { 953 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160"); 954 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160"); 955 } 956 957 if (cap[0] & 958 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { 959 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80"); 960 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80"); 961 } 962 963 #undef PRINT_NSS_SUPP 964 #undef PRINT 965 966 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)) 967 goto out; 968 969 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x", 970 hec->ppe_thres[0]); 971 972 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap); 973 for (i = 1; i < ppe_size; i++) { 974 p += scnprintf(p, buf_sz + buf - p, " %#.2x", 975 hec->ppe_thres[i]); 976 } 977 p += scnprintf(p, buf_sz + buf - p, "\n"); 978 979 out: 980 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 981 kfree(buf); 982 return ret; 983 } 984 STA_OPS(he_capa); 985 986 #define DEBUGFS_ADD(name) \ 987 debugfs_create_file(#name, 0400, \ 988 sta->debugfs_dir, sta, &sta_ ##name## _ops); 989 990 #define DEBUGFS_ADD_COUNTER(name, field) \ 991 debugfs_create_ulong(#name, 0400, sta->debugfs_dir, &sta->field); 992 993 void ieee80211_sta_debugfs_add(struct sta_info *sta) 994 { 995 struct ieee80211_local *local = sta->local; 996 struct ieee80211_sub_if_data *sdata = sta->sdata; 997 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; 998 u8 mac[3*ETH_ALEN]; 999 1000 if (!stations_dir) 1001 return; 1002 1003 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); 1004 1005 /* 1006 * This might fail due to a race condition: 1007 * When mac80211 unlinks a station, the debugfs entries 1008 * remain, but it is already possible to link a new 1009 * station with the same address which triggers adding 1010 * it to debugfs; therefore, if the old station isn't 1011 * destroyed quickly enough the old station's debugfs 1012 * dir might still be around. 1013 */ 1014 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir); 1015 1016 DEBUGFS_ADD(flags); 1017 DEBUGFS_ADD(aid); 1018 DEBUGFS_ADD(num_ps_buf_frames); 1019 DEBUGFS_ADD(last_seq_ctrl); 1020 DEBUGFS_ADD(agg_status); 1021 DEBUGFS_ADD(ht_capa); 1022 DEBUGFS_ADD(vht_capa); 1023 DEBUGFS_ADD(he_capa); 1024 1025 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates); 1026 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); 1027 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered); 1028 1029 if (local->ops->wake_tx_queue) { 1030 DEBUGFS_ADD(aqm); 1031 DEBUGFS_ADD(airtime); 1032 } 1033 1034 if (wiphy_ext_feature_isset(local->hw.wiphy, 1035 NL80211_EXT_FEATURE_AQL)) 1036 DEBUGFS_ADD(aql); 1037 1038 debugfs_create_xul("driver_buffered_tids", 0400, sta->debugfs_dir, 1039 &sta->driver_buffered_tids); 1040 1041 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir); 1042 } 1043 1044 void ieee80211_sta_debugfs_remove(struct sta_info *sta) 1045 { 1046 debugfs_remove_recursive(sta->debugfs_dir); 1047 sta->debugfs_dir = NULL; 1048 } 1049