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 - 2019 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 #undef FLAG 82 }; 83 84 static ssize_t sta_flags_read(struct file *file, char __user *userbuf, 85 size_t count, loff_t *ppos) 86 { 87 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf; 88 char *end = buf + sizeof(buf) - 1; 89 struct sta_info *sta = file->private_data; 90 unsigned int flg; 91 92 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS); 93 94 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) { 95 if (test_sta_flag(sta, flg)) 96 pos += scnprintf(pos, end - pos, "%s\n", 97 sta_flag_names[flg]); 98 } 99 100 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf)); 101 } 102 STA_OPS(flags); 103 104 static ssize_t sta_num_ps_buf_frames_read(struct file *file, 105 char __user *userbuf, 106 size_t count, loff_t *ppos) 107 { 108 struct sta_info *sta = file->private_data; 109 char buf[17*IEEE80211_NUM_ACS], *p = buf; 110 int ac; 111 112 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 113 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, 114 skb_queue_len(&sta->ps_tx_buf[ac]) + 115 skb_queue_len(&sta->tx_filtered[ac])); 116 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 117 } 118 STA_OPS(num_ps_buf_frames); 119 120 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, 121 size_t count, loff_t *ppos) 122 { 123 char buf[15*IEEE80211_NUM_TIDS], *p = buf; 124 int i; 125 struct sta_info *sta = file->private_data; 126 for (i = 0; i < IEEE80211_NUM_TIDS; i++) 127 p += scnprintf(p, sizeof(buf)+buf-p, "%x ", 128 le16_to_cpu(sta->last_seq_ctrl[i])); 129 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 130 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 131 } 132 STA_OPS(last_seq_ctrl); 133 134 #define AQM_TXQ_ENTRY_LEN 130 135 136 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, 137 size_t count, loff_t *ppos) 138 { 139 struct sta_info *sta = file->private_data; 140 struct ieee80211_local *local = sta->local; 141 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2); 142 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 143 struct txq_info *txqi; 144 ssize_t rv; 145 int i; 146 147 if (!buf) 148 return -ENOMEM; 149 150 spin_lock_bh(&local->fq.lock); 151 rcu_read_lock(); 152 153 p += scnprintf(p, 154 bufsz+buf-p, 155 "target %uus interval %uus ecn %s\n", 156 codel_time_to_us(sta->cparams.target), 157 codel_time_to_us(sta->cparams.interval), 158 sta->cparams.ecn ? "yes" : "no"); 159 p += scnprintf(p, 160 bufsz+buf-p, 161 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n"); 162 163 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) { 164 if (!sta->sta.txq[i]) 165 continue; 166 txqi = to_txq_info(sta->sta.txq[i]); 167 p += scnprintf(p, bufsz+buf-p, 168 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n", 169 txqi->txq.tid, 170 txqi->txq.ac, 171 txqi->tin.backlog_bytes, 172 txqi->tin.backlog_packets, 173 txqi->tin.flows, 174 txqi->cstats.drop_count, 175 txqi->cstats.ecn_mark, 176 txqi->tin.overlimit, 177 txqi->tin.collisions, 178 txqi->tin.tx_bytes, 179 txqi->tin.tx_packets, 180 txqi->flags, 181 test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN", 182 test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "", 183 test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : ""); 184 } 185 186 rcu_read_unlock(); 187 spin_unlock_bh(&local->fq.lock); 188 189 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 190 kfree(buf); 191 return rv; 192 } 193 STA_OPS(aqm); 194 195 static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, 196 size_t count, loff_t *ppos) 197 { 198 struct sta_info *sta = file->private_data; 199 struct ieee80211_local *local = sta->sdata->local; 200 size_t bufsz = 400; 201 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 202 u64 rx_airtime = 0, tx_airtime = 0; 203 s64 deficit[IEEE80211_NUM_ACS]; 204 ssize_t rv; 205 int ac; 206 207 if (!buf) 208 return -ENOMEM; 209 210 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 211 spin_lock_bh(&local->active_txq_lock[ac]); 212 rx_airtime += sta->airtime[ac].rx_airtime; 213 tx_airtime += sta->airtime[ac].tx_airtime; 214 deficit[ac] = sta->airtime[ac].deficit; 215 spin_unlock_bh(&local->active_txq_lock[ac]); 216 } 217 218 p += scnprintf(p, bufsz + buf - p, 219 "RX: %llu us\nTX: %llu us\nWeight: %u\n" 220 "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n", 221 rx_airtime, tx_airtime, sta->airtime_weight, 222 deficit[0], deficit[1], deficit[2], deficit[3]); 223 224 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 225 kfree(buf); 226 return rv; 227 } 228 229 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf, 230 size_t count, loff_t *ppos) 231 { 232 struct sta_info *sta = file->private_data; 233 struct ieee80211_local *local = sta->sdata->local; 234 int ac; 235 236 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 237 spin_lock_bh(&local->active_txq_lock[ac]); 238 sta->airtime[ac].rx_airtime = 0; 239 sta->airtime[ac].tx_airtime = 0; 240 sta->airtime[ac].deficit = sta->airtime_weight; 241 spin_unlock_bh(&local->active_txq_lock[ac]); 242 } 243 244 return count; 245 } 246 STA_OPS_RW(airtime); 247 248 static ssize_t sta_aql_read(struct file *file, char __user *userbuf, 249 size_t count, loff_t *ppos) 250 { 251 struct sta_info *sta = file->private_data; 252 struct ieee80211_local *local = sta->sdata->local; 253 size_t bufsz = 400; 254 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 255 u32 q_depth[IEEE80211_NUM_ACS]; 256 u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS]; 257 ssize_t rv; 258 int ac; 259 260 if (!buf) 261 return -ENOMEM; 262 263 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 264 spin_lock_bh(&local->active_txq_lock[ac]); 265 q_limit_l[ac] = sta->airtime[ac].aql_limit_low; 266 q_limit_h[ac] = sta->airtime[ac].aql_limit_high; 267 spin_unlock_bh(&local->active_txq_lock[ac]); 268 q_depth[ac] = atomic_read(&sta->airtime[ac].aql_tx_pending); 269 } 270 271 p += scnprintf(p, bufsz + buf - p, 272 "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n" 273 "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n", 274 q_depth[0], q_depth[1], q_depth[2], q_depth[3], 275 q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1], 276 q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]), 277 278 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 279 kfree(buf); 280 return rv; 281 } 282 283 static ssize_t sta_aql_write(struct file *file, const char __user *userbuf, 284 size_t count, loff_t *ppos) 285 { 286 struct sta_info *sta = file->private_data; 287 u32 ac, q_limit_l, q_limit_h; 288 char _buf[100] = {}, *buf = _buf; 289 290 if (count > sizeof(_buf)) 291 return -EINVAL; 292 293 if (copy_from_user(buf, userbuf, count)) 294 return -EFAULT; 295 296 buf[sizeof(_buf) - 1] = '\0'; 297 if (sscanf(buf, "limit %u %u %u", &ac, &q_limit_l, &q_limit_h) 298 != 3) 299 return -EINVAL; 300 301 if (ac >= IEEE80211_NUM_ACS) 302 return -EINVAL; 303 304 sta->airtime[ac].aql_limit_low = q_limit_l; 305 sta->airtime[ac].aql_limit_high = q_limit_h; 306 307 return count; 308 } 309 STA_OPS_RW(aql); 310 311 312 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, 313 size_t count, loff_t *ppos) 314 { 315 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; 316 int i; 317 struct sta_info *sta = file->private_data; 318 struct tid_ampdu_rx *tid_rx; 319 struct tid_ampdu_tx *tid_tx; 320 321 rcu_read_lock(); 322 323 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", 324 sta->ampdu_mlme.dialog_token_allocator + 1); 325 p += scnprintf(p, sizeof(buf) + buf - p, 326 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); 327 328 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 329 bool tid_rx_valid; 330 331 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); 332 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); 333 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid); 334 335 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); 336 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", 337 tid_rx_valid); 338 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 339 tid_rx_valid ? 340 sta->ampdu_mlme.tid_rx_token[i] : 0); 341 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", 342 tid_rx ? tid_rx->ssn : 0); 343 344 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); 345 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 346 tid_tx ? tid_tx->dialog_token : 0); 347 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", 348 tid_tx ? skb_queue_len(&tid_tx->pending) : 0); 349 p += scnprintf(p, sizeof(buf) + buf - p, "\n"); 350 } 351 rcu_read_unlock(); 352 353 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 354 } 355 356 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, 357 size_t count, loff_t *ppos) 358 { 359 char _buf[25] = {}, *buf = _buf; 360 struct sta_info *sta = file->private_data; 361 bool start, tx; 362 unsigned long tid; 363 char *pos; 364 int ret, timeout = 5000; 365 366 if (count > sizeof(_buf)) 367 return -EINVAL; 368 369 if (copy_from_user(buf, userbuf, count)) 370 return -EFAULT; 371 372 buf[sizeof(_buf) - 1] = '\0'; 373 pos = buf; 374 buf = strsep(&pos, " "); 375 if (!buf) 376 return -EINVAL; 377 378 if (!strcmp(buf, "tx")) 379 tx = true; 380 else if (!strcmp(buf, "rx")) 381 tx = false; 382 else 383 return -EINVAL; 384 385 buf = strsep(&pos, " "); 386 if (!buf) 387 return -EINVAL; 388 if (!strcmp(buf, "start")) { 389 start = true; 390 if (!tx) 391 return -EINVAL; 392 } else if (!strcmp(buf, "stop")) { 393 start = false; 394 } else { 395 return -EINVAL; 396 } 397 398 buf = strsep(&pos, " "); 399 if (!buf) 400 return -EINVAL; 401 if (sscanf(buf, "timeout=%d", &timeout) == 1) { 402 buf = strsep(&pos, " "); 403 if (!buf || !tx || !start) 404 return -EINVAL; 405 } 406 407 ret = kstrtoul(buf, 0, &tid); 408 if (ret || tid >= IEEE80211_NUM_TIDS) 409 return -EINVAL; 410 411 if (tx) { 412 if (start) 413 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 414 timeout); 415 else 416 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); 417 } else { 418 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 419 3, true); 420 ret = 0; 421 } 422 423 return ret ?: count; 424 } 425 STA_OPS_RW(agg_status); 426 427 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, 428 size_t count, loff_t *ppos) 429 { 430 #define PRINT_HT_CAP(_cond, _str) \ 431 do { \ 432 if (_cond) \ 433 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ 434 } while (0) 435 char buf[512], *p = buf; 436 int i; 437 struct sta_info *sta = file->private_data; 438 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; 439 440 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", 441 htc->ht_supported ? "" : "not "); 442 if (htc->ht_supported) { 443 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); 444 445 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); 446 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); 447 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); 448 449 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); 450 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); 451 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); 452 453 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); 454 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); 455 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); 456 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); 457 458 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); 459 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); 460 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); 461 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); 462 463 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); 464 465 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " 466 "3839 bytes"); 467 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " 468 "7935 bytes"); 469 470 /* 471 * For beacons and probe response this would mean the BSS 472 * does or does not allow the usage of DSSS/CCK HT40. 473 * Otherwise it means the STA does or does not use 474 * DSSS/CCK HT40. 475 */ 476 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); 477 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); 478 479 /* BIT(13) is reserved */ 480 481 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); 482 483 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); 484 485 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", 486 htc->ampdu_factor, htc->ampdu_density); 487 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); 488 489 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) 490 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", 491 htc->mcs.rx_mask[i]); 492 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 493 494 /* If not set this is meaningless */ 495 if (le16_to_cpu(htc->mcs.rx_highest)) { 496 p += scnprintf(p, sizeof(buf)+buf-p, 497 "MCS rx highest: %d Mbps\n", 498 le16_to_cpu(htc->mcs.rx_highest)); 499 } 500 501 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", 502 htc->mcs.tx_params); 503 } 504 505 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 506 } 507 STA_OPS(ht_capa); 508 509 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, 510 size_t count, loff_t *ppos) 511 { 512 char buf[512], *p = buf; 513 struct sta_info *sta = file->private_data; 514 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; 515 516 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", 517 vhtc->vht_supported ? "" : "not "); 518 if (vhtc->vht_supported) { 519 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n", 520 vhtc->cap); 521 #define PFLAG(a, b) \ 522 do { \ 523 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \ 524 p += scnprintf(p, sizeof(buf) + buf - p, \ 525 "\t\t%s\n", b); \ 526 } while (0) 527 528 switch (vhtc->cap & 0x3) { 529 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: 530 p += scnprintf(p, sizeof(buf) + buf - p, 531 "\t\tMAX-MPDU-3895\n"); 532 break; 533 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: 534 p += scnprintf(p, sizeof(buf) + buf - p, 535 "\t\tMAX-MPDU-7991\n"); 536 break; 537 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: 538 p += scnprintf(p, sizeof(buf) + buf - p, 539 "\t\tMAX-MPDU-11454\n"); 540 break; 541 default: 542 p += scnprintf(p, sizeof(buf) + buf - p, 543 "\t\tMAX-MPDU-UNKNOWN\n"); 544 } 545 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 546 case 0: 547 p += scnprintf(p, sizeof(buf) + buf - p, 548 "\t\t80Mhz\n"); 549 break; 550 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 551 p += scnprintf(p, sizeof(buf) + buf - p, 552 "\t\t160Mhz\n"); 553 break; 554 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 555 p += scnprintf(p, sizeof(buf) + buf - p, 556 "\t\t80+80Mhz\n"); 557 break; 558 default: 559 p += scnprintf(p, sizeof(buf) + buf - p, 560 "\t\tUNKNOWN-MHZ: 0x%x\n", 561 (vhtc->cap >> 2) & 0x3); 562 } 563 PFLAG(RXLDPC, "RXLDPC"); 564 PFLAG(SHORT_GI_80, "SHORT-GI-80"); 565 PFLAG(SHORT_GI_160, "SHORT-GI-160"); 566 PFLAG(TXSTBC, "TXSTBC"); 567 p += scnprintf(p, sizeof(buf) + buf - p, 568 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7); 569 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE"); 570 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE"); 571 p += scnprintf(p, sizeof(buf) + buf - p, 572 "\t\tBEAMFORMEE-STS: 0x%x\n", 573 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >> 574 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 575 p += scnprintf(p, sizeof(buf) + buf - p, 576 "\t\tSOUNDING-DIMENSIONS: 0x%x\n", 577 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK) 578 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); 579 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE"); 580 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE"); 581 PFLAG(VHT_TXOP_PS, "TXOP-PS"); 582 PFLAG(HTC_VHT, "HTC-VHT"); 583 p += scnprintf(p, sizeof(buf) + buf - p, 584 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n", 585 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 586 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); 587 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB, 588 "LINK-ADAPTATION-VHT-UNSOL-MFB"); 589 p += scnprintf(p, sizeof(buf) + buf - p, 590 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n", 591 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26); 592 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN"); 593 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN"); 594 595 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", 596 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); 597 if (vhtc->vht_mcs.rx_highest) 598 p += scnprintf(p, sizeof(buf)+buf-p, 599 "MCS RX highest: %d Mbps\n", 600 le16_to_cpu(vhtc->vht_mcs.rx_highest)); 601 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", 602 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); 603 if (vhtc->vht_mcs.tx_highest) 604 p += scnprintf(p, sizeof(buf)+buf-p, 605 "MCS TX highest: %d Mbps\n", 606 le16_to_cpu(vhtc->vht_mcs.tx_highest)); 607 #undef PFLAG 608 } 609 610 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 611 } 612 STA_OPS(vht_capa); 613 614 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf, 615 size_t count, loff_t *ppos) 616 { 617 char *buf, *p; 618 size_t buf_sz = PAGE_SIZE; 619 struct sta_info *sta = file->private_data; 620 struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap; 621 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp; 622 u8 ppe_size; 623 u8 *cap; 624 int i; 625 ssize_t ret; 626 627 buf = kmalloc(buf_sz, GFP_KERNEL); 628 if (!buf) 629 return -ENOMEM; 630 p = buf; 631 632 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n", 633 hec->has_he ? "" : "not "); 634 if (!hec->has_he) 635 goto out; 636 637 cap = hec->he_cap_elem.mac_cap_info; 638 p += scnprintf(p, buf_sz + buf - p, 639 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 640 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]); 641 642 #define PRINT(fmt, ...) \ 643 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \ 644 ##__VA_ARGS__) 645 646 #define PFLAG(t, n, a, b) \ 647 do { \ 648 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \ 649 PRINT("%s", b); \ 650 } while (0) 651 652 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \ 653 do { \ 654 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \ 655 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \ 656 PRINT(fmt, (s << idx) + (m * idx)); \ 657 } while (0) 658 659 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \ 660 do { \ 661 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \ 662 PRINT("%s", b); \ 663 break; \ 664 } \ 665 PFLAG_RANGE(t, i, n, s, m, off, fmt); \ 666 } while (0) 667 668 PFLAG(MAC, 0, HTC_HE, "HTC-HE"); 669 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ"); 670 PFLAG(MAC, 0, TWT_RES, "TWT-RES"); 671 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0, 672 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP"); 673 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0, 674 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED"); 675 676 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1, 677 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED"); 678 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0, 679 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN"); 680 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1, 681 "MULTI-TID-AGG-RX-QOS-%d"); 682 683 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) { 684 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) { 685 case 0: 686 PRINT("LINK-ADAPTATION-NO-FEEDBACK"); 687 break; 688 case 1: 689 PRINT("LINK-ADAPTATION-RESERVED"); 690 break; 691 case 2: 692 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK"); 693 break; 694 case 3: 695 PRINT("LINK-ADAPTATION-BOTH"); 696 break; 697 } 698 } 699 700 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK"); 701 PFLAG(MAC, 2, TRS, "TRS"); 702 PFLAG(MAC, 2, BSR, "BSR"); 703 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT"); 704 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP"); 705 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING"); 706 PFLAG(MAC, 2, ACK_EN, "ACK-EN"); 707 708 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL"); 709 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA"); 710 711 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) { 712 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT: 713 PRINT("MAX-AMPDU-LEN-EXP-USE-VHT"); 714 break; 715 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1: 716 PRINT("MAX-AMPDU-LEN-EXP-VHT-1"); 717 break; 718 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2: 719 PRINT("MAX-AMPDU-LEN-EXP-VHT-2"); 720 break; 721 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED: 722 PRINT("MAX-AMPDU-LEN-EXP-RESERVED"); 723 break; 724 } 725 726 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG"); 727 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED"); 728 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS"); 729 730 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG"); 731 PFLAG(MAC, 4, QTP, "QTP"); 732 PFLAG(MAC, 4, BQR, "BQR"); 733 PFLAG(MAC, 4, SRP_RESP, "SRP-RESP"); 734 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP"); 735 PFLAG(MAC, 4, OPS, "OPS"); 736 PFLAG(MAC, 4, AMDSU_IN_AMPDU, "AMSDU-IN-AMPDU"); 737 738 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7); 739 740 PFLAG(MAC, 5, SUBCHAN_SELECVITE_TRANSMISSION, 741 "SUBCHAN-SELECVITE-TRANSMISSION"); 742 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU"); 743 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX"); 744 PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS"); 745 PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING"); 746 PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX"); 747 748 cap = hec->he_cap_elem.phy_cap_info; 749 p += scnprintf(p, buf_sz + buf - p, 750 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 751 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6], 752 cap[7], cap[8], cap[9], cap[10]); 753 754 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G, 755 "CHANNEL-WIDTH-SET-40MHZ-IN-2G"); 756 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G, 757 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G"); 758 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G, 759 "CHANNEL-WIDTH-SET-160MHZ-IN-5G"); 760 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G, 761 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G"); 762 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G, 763 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G"); 764 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G, 765 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G"); 766 767 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) { 768 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ: 769 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ"); 770 break; 771 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ: 772 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ"); 773 break; 774 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ: 775 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ"); 776 break; 777 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ: 778 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ"); 779 break; 780 } 781 782 PFLAG(PHY, 1, DEVICE_CLASS_A, 783 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A"); 784 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD, 785 "LDPC-CODING-IN-PAYLOAD"); 786 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US, 787 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US"); 788 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3); 789 790 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US"); 791 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ"); 792 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ"); 793 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX"); 794 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX"); 795 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO"); 796 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO"); 797 798 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) { 799 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM: 800 PRINT("DCM-MAX-CONST-TX-NO-DCM"); 801 break; 802 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK: 803 PRINT("DCM-MAX-CONST-TX-BPSK"); 804 break; 805 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK: 806 PRINT("DCM-MAX-CONST-TX-QPSK"); 807 break; 808 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM: 809 PRINT("DCM-MAX-CONST-TX-16-QAM"); 810 break; 811 } 812 813 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1"); 814 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2"); 815 816 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) { 817 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM: 818 PRINT("DCM-MAX-CONST-RX-NO-DCM"); 819 break; 820 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK: 821 PRINT("DCM-MAX-CONST-RX-BPSK"); 822 break; 823 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK: 824 PRINT("DCM-MAX-CONST-RX-QPSK"); 825 break; 826 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM: 827 PRINT("DCM-MAX-CONST-RX-16-QAM"); 828 break; 829 } 830 831 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1"); 832 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2"); 833 PFLAG(PHY, 3, RX_HE_MU_PPDU_FROM_NON_AP_STA, 834 "RX-HE-MU-PPDU-FROM-NON-AP-STA"); 835 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER"); 836 837 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE"); 838 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER"); 839 840 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4, 841 "BEAMFORMEE-MAX-STS-UNDER-%d"); 842 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4, 843 "BEAMFORMEE-MAX-STS-ABOVE-%d"); 844 845 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1, 846 "NUM-SND-DIM-UNDER-80MHZ-%d"); 847 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1, 848 "NUM-SND-DIM-ABOVE-80MHZ-%d"); 849 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK"); 850 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK"); 851 852 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU"); 853 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU"); 854 PFLAG(PHY, 6, TRIG_SU_BEAMFORMER_FB, "TRIG-SU-BEAMFORMER-FB"); 855 PFLAG(PHY, 6, TRIG_MU_BEAMFORMER_FB, "TRIG-MU-BEAMFORMER-FB"); 856 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB"); 857 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE"); 858 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO, 859 "PARTIAL-BANDWIDTH-DL-MUMIMO"); 860 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT"); 861 862 PFLAG(PHY, 7, SRP_BASED_SR, "SRP-BASED-SR"); 863 PFLAG(PHY, 7, POWER_BOOST_FACTOR_AR, "POWER-BOOST-FACTOR-AR"); 864 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI, 865 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI"); 866 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d"); 867 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ"); 868 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ"); 869 870 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI, 871 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI"); 872 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G, 873 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G"); 874 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU"); 875 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU"); 876 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI, 877 "HE-ER-SU-1XLTF-AND-08-US-GI"); 878 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF, 879 "MIDAMBLE-RX-TX-2X-AND-1XLTF"); 880 881 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) { 882 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242: 883 PRINT("DCM-MAX-RU-242"); 884 break; 885 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484: 886 PRINT("DCM-MAX-RU-484"); 887 break; 888 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996: 889 PRINT("DCM-MAX-RU-996"); 890 break; 891 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996: 892 PRINT("DCM-MAX-RU-2x996"); 893 break; 894 } 895 896 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM, 897 "LONGER-THAN-16-SIGB-OFDM-SYM"); 898 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK, 899 "NON-TRIGGERED-CQI-FEEDBACK"); 900 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU, 901 "TX-1024-QAM-LESS-THAN-242-TONE-RU"); 902 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU, 903 "RX-1024-QAM-LESS-THAN-242-TONE-RU"); 904 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB, 905 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB"); 906 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB, 907 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB"); 908 909 switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 910 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 911 PRINT("NOMINAL-PACKET-PADDING-0US"); 912 break; 913 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 914 PRINT("NOMINAL-PACKET-PADDING-8US"); 915 break; 916 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 917 PRINT("NOMINAL-PACKET-PADDING-16US"); 918 break; 919 } 920 921 #undef PFLAG_RANGE_DEFAULT 922 #undef PFLAG_RANGE 923 #undef PFLAG 924 925 #define PRINT_NSS_SUPP(f, n) \ 926 do { \ 927 int _i; \ 928 u16 v = le16_to_cpu(nss->f); \ 929 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \ 930 for (_i = 0; _i < 8; _i += 2) { \ 931 switch ((v >> _i) & 0x3) { \ 932 case 0: \ 933 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \ 934 break; \ 935 case 1: \ 936 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \ 937 break; \ 938 case 2: \ 939 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \ 940 break; \ 941 case 3: \ 942 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \ 943 break; \ 944 } \ 945 } \ 946 } while (0) 947 948 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80"); 949 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80"); 950 951 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) { 952 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160"); 953 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160"); 954 } 955 956 if (cap[0] & 957 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { 958 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80"); 959 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80"); 960 } 961 962 #undef PRINT_NSS_SUPP 963 #undef PRINT 964 965 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)) 966 goto out; 967 968 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x", 969 hec->ppe_thres[0]); 970 971 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap); 972 for (i = 1; i < ppe_size; i++) { 973 p += scnprintf(p, buf_sz + buf - p, " %#.2x", 974 hec->ppe_thres[i]); 975 } 976 p += scnprintf(p, buf_sz + buf - p, "\n"); 977 978 out: 979 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 980 kfree(buf); 981 return ret; 982 } 983 STA_OPS(he_capa); 984 985 #define DEBUGFS_ADD(name) \ 986 debugfs_create_file(#name, 0400, \ 987 sta->debugfs_dir, sta, &sta_ ##name## _ops); 988 989 #define DEBUGFS_ADD_COUNTER(name, field) \ 990 debugfs_create_ulong(#name, 0400, sta->debugfs_dir, &sta->field); 991 992 void ieee80211_sta_debugfs_add(struct sta_info *sta) 993 { 994 struct ieee80211_local *local = sta->local; 995 struct ieee80211_sub_if_data *sdata = sta->sdata; 996 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; 997 u8 mac[3*ETH_ALEN]; 998 999 if (!stations_dir) 1000 return; 1001 1002 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); 1003 1004 /* 1005 * This might fail due to a race condition: 1006 * When mac80211 unlinks a station, the debugfs entries 1007 * remain, but it is already possible to link a new 1008 * station with the same address which triggers adding 1009 * it to debugfs; therefore, if the old station isn't 1010 * destroyed quickly enough the old station's debugfs 1011 * dir might still be around. 1012 */ 1013 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir); 1014 1015 DEBUGFS_ADD(flags); 1016 DEBUGFS_ADD(aid); 1017 DEBUGFS_ADD(num_ps_buf_frames); 1018 DEBUGFS_ADD(last_seq_ctrl); 1019 DEBUGFS_ADD(agg_status); 1020 DEBUGFS_ADD(ht_capa); 1021 DEBUGFS_ADD(vht_capa); 1022 DEBUGFS_ADD(he_capa); 1023 1024 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates); 1025 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); 1026 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered); 1027 1028 if (local->ops->wake_tx_queue) 1029 DEBUGFS_ADD(aqm); 1030 1031 if (wiphy_ext_feature_isset(local->hw.wiphy, 1032 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) 1033 DEBUGFS_ADD(airtime); 1034 1035 if (wiphy_ext_feature_isset(local->hw.wiphy, 1036 NL80211_EXT_FEATURE_AQL)) 1037 DEBUGFS_ADD(aql); 1038 1039 debugfs_create_xul("driver_buffered_tids", 0400, sta->debugfs_dir, 1040 &sta->driver_buffered_tids); 1041 1042 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir); 1043 } 1044 1045 void ieee80211_sta_debugfs_remove(struct sta_info *sta) 1046 { 1047 debugfs_remove_recursive(sta->debugfs_dir); 1048 sta->debugfs_dir = NULL; 1049 } 1050