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 FLAG(DECAP_OFFLOAD), 83 #undef FLAG 84 }; 85 86 static ssize_t sta_flags_read(struct file *file, char __user *userbuf, 87 size_t count, loff_t *ppos) 88 { 89 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf; 90 char *end = buf + sizeof(buf) - 1; 91 struct sta_info *sta = file->private_data; 92 unsigned int flg; 93 94 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS); 95 96 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) { 97 if (test_sta_flag(sta, flg)) 98 pos += scnprintf(pos, end - pos, "%s\n", 99 sta_flag_names[flg]); 100 } 101 102 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf)); 103 } 104 STA_OPS(flags); 105 106 static ssize_t sta_num_ps_buf_frames_read(struct file *file, 107 char __user *userbuf, 108 size_t count, loff_t *ppos) 109 { 110 struct sta_info *sta = file->private_data; 111 char buf[17*IEEE80211_NUM_ACS], *p = buf; 112 int ac; 113 114 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 115 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, 116 skb_queue_len(&sta->ps_tx_buf[ac]) + 117 skb_queue_len(&sta->tx_filtered[ac])); 118 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 119 } 120 STA_OPS(num_ps_buf_frames); 121 122 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, 123 size_t count, loff_t *ppos) 124 { 125 char buf[15*IEEE80211_NUM_TIDS], *p = buf; 126 int i; 127 struct sta_info *sta = file->private_data; 128 for (i = 0; i < IEEE80211_NUM_TIDS; i++) 129 p += scnprintf(p, sizeof(buf)+buf-p, "%x ", 130 le16_to_cpu(sta->last_seq_ctrl[i])); 131 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 132 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 133 } 134 STA_OPS(last_seq_ctrl); 135 136 #define AQM_TXQ_ENTRY_LEN 130 137 138 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, 139 size_t count, loff_t *ppos) 140 { 141 struct sta_info *sta = file->private_data; 142 struct ieee80211_local *local = sta->local; 143 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2); 144 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 145 struct txq_info *txqi; 146 ssize_t rv; 147 int i; 148 149 if (!buf) 150 return -ENOMEM; 151 152 spin_lock_bh(&local->fq.lock); 153 rcu_read_lock(); 154 155 p += scnprintf(p, 156 bufsz+buf-p, 157 "target %uus interval %uus ecn %s\n", 158 codel_time_to_us(sta->cparams.target), 159 codel_time_to_us(sta->cparams.interval), 160 sta->cparams.ecn ? "yes" : "no"); 161 p += scnprintf(p, 162 bufsz+buf-p, 163 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n"); 164 165 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) { 166 if (!sta->sta.txq[i]) 167 continue; 168 txqi = to_txq_info(sta->sta.txq[i]); 169 p += scnprintf(p, bufsz+buf-p, 170 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n", 171 txqi->txq.tid, 172 txqi->txq.ac, 173 txqi->tin.backlog_bytes, 174 txqi->tin.backlog_packets, 175 txqi->tin.flows, 176 txqi->cstats.drop_count, 177 txqi->cstats.ecn_mark, 178 txqi->tin.overlimit, 179 txqi->tin.collisions, 180 txqi->tin.tx_bytes, 181 txqi->tin.tx_packets, 182 txqi->flags, 183 test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN", 184 test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "", 185 test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : ""); 186 } 187 188 rcu_read_unlock(); 189 spin_unlock_bh(&local->fq.lock); 190 191 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 192 kfree(buf); 193 return rv; 194 } 195 STA_OPS(aqm); 196 197 static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, 198 size_t count, loff_t *ppos) 199 { 200 struct sta_info *sta = file->private_data; 201 struct ieee80211_local *local = sta->sdata->local; 202 size_t bufsz = 400; 203 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 204 u64 rx_airtime = 0, tx_airtime = 0; 205 s64 deficit[IEEE80211_NUM_ACS]; 206 ssize_t rv; 207 int ac; 208 209 if (!buf) 210 return -ENOMEM; 211 212 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 213 spin_lock_bh(&local->active_txq_lock[ac]); 214 rx_airtime += sta->airtime[ac].rx_airtime; 215 tx_airtime += sta->airtime[ac].tx_airtime; 216 deficit[ac] = sta->airtime[ac].deficit; 217 spin_unlock_bh(&local->active_txq_lock[ac]); 218 } 219 220 p += scnprintf(p, bufsz + buf - p, 221 "RX: %llu us\nTX: %llu us\nWeight: %u\n" 222 "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n", 223 rx_airtime, tx_airtime, sta->airtime_weight, 224 deficit[0], deficit[1], deficit[2], deficit[3]); 225 226 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 227 kfree(buf); 228 return rv; 229 } 230 231 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf, 232 size_t count, loff_t *ppos) 233 { 234 struct sta_info *sta = file->private_data; 235 struct ieee80211_local *local = sta->sdata->local; 236 int ac; 237 238 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 239 spin_lock_bh(&local->active_txq_lock[ac]); 240 sta->airtime[ac].rx_airtime = 0; 241 sta->airtime[ac].tx_airtime = 0; 242 sta->airtime[ac].deficit = sta->airtime_weight; 243 spin_unlock_bh(&local->active_txq_lock[ac]); 244 } 245 246 return count; 247 } 248 STA_OPS_RW(airtime); 249 250 static ssize_t sta_aql_read(struct file *file, char __user *userbuf, 251 size_t count, loff_t *ppos) 252 { 253 struct sta_info *sta = file->private_data; 254 struct ieee80211_local *local = sta->sdata->local; 255 size_t bufsz = 400; 256 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; 257 u32 q_depth[IEEE80211_NUM_ACS]; 258 u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS]; 259 ssize_t rv; 260 int ac; 261 262 if (!buf) 263 return -ENOMEM; 264 265 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 266 spin_lock_bh(&local->active_txq_lock[ac]); 267 q_limit_l[ac] = sta->airtime[ac].aql_limit_low; 268 q_limit_h[ac] = sta->airtime[ac].aql_limit_high; 269 spin_unlock_bh(&local->active_txq_lock[ac]); 270 q_depth[ac] = atomic_read(&sta->airtime[ac].aql_tx_pending); 271 } 272 273 p += scnprintf(p, bufsz + buf - p, 274 "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n" 275 "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n", 276 q_depth[0], q_depth[1], q_depth[2], q_depth[3], 277 q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1], 278 q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]); 279 280 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 281 kfree(buf); 282 return rv; 283 } 284 285 static ssize_t sta_aql_write(struct file *file, const char __user *userbuf, 286 size_t count, loff_t *ppos) 287 { 288 struct sta_info *sta = file->private_data; 289 u32 ac, q_limit_l, q_limit_h; 290 char _buf[100] = {}, *buf = _buf; 291 292 if (count > sizeof(_buf)) 293 return -EINVAL; 294 295 if (copy_from_user(buf, userbuf, count)) 296 return -EFAULT; 297 298 buf[sizeof(_buf) - 1] = '\0'; 299 if (sscanf(buf, "limit %u %u %u", &ac, &q_limit_l, &q_limit_h) 300 != 3) 301 return -EINVAL; 302 303 if (ac >= IEEE80211_NUM_ACS) 304 return -EINVAL; 305 306 sta->airtime[ac].aql_limit_low = q_limit_l; 307 sta->airtime[ac].aql_limit_high = q_limit_h; 308 309 return count; 310 } 311 STA_OPS_RW(aql); 312 313 314 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, 315 size_t count, loff_t *ppos) 316 { 317 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; 318 int i; 319 struct sta_info *sta = file->private_data; 320 struct tid_ampdu_rx *tid_rx; 321 struct tid_ampdu_tx *tid_tx; 322 323 rcu_read_lock(); 324 325 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", 326 sta->ampdu_mlme.dialog_token_allocator + 1); 327 p += scnprintf(p, sizeof(buf) + buf - p, 328 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); 329 330 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 331 bool tid_rx_valid; 332 333 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); 334 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); 335 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid); 336 337 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); 338 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", 339 tid_rx_valid); 340 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 341 tid_rx_valid ? 342 sta->ampdu_mlme.tid_rx_token[i] : 0); 343 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", 344 tid_rx ? tid_rx->ssn : 0); 345 346 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); 347 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 348 tid_tx ? tid_tx->dialog_token : 0); 349 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", 350 tid_tx ? skb_queue_len(&tid_tx->pending) : 0); 351 p += scnprintf(p, sizeof(buf) + buf - p, "\n"); 352 } 353 rcu_read_unlock(); 354 355 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 356 } 357 358 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, 359 size_t count, loff_t *ppos) 360 { 361 char _buf[25] = {}, *buf = _buf; 362 struct sta_info *sta = file->private_data; 363 bool start, tx; 364 unsigned long tid; 365 char *pos; 366 int ret, timeout = 5000; 367 368 if (count > sizeof(_buf)) 369 return -EINVAL; 370 371 if (copy_from_user(buf, userbuf, count)) 372 return -EFAULT; 373 374 buf[sizeof(_buf) - 1] = '\0'; 375 pos = buf; 376 buf = strsep(&pos, " "); 377 if (!buf) 378 return -EINVAL; 379 380 if (!strcmp(buf, "tx")) 381 tx = true; 382 else if (!strcmp(buf, "rx")) 383 tx = false; 384 else 385 return -EINVAL; 386 387 buf = strsep(&pos, " "); 388 if (!buf) 389 return -EINVAL; 390 if (!strcmp(buf, "start")) { 391 start = true; 392 if (!tx) 393 return -EINVAL; 394 } else if (!strcmp(buf, "stop")) { 395 start = false; 396 } else { 397 return -EINVAL; 398 } 399 400 buf = strsep(&pos, " "); 401 if (!buf) 402 return -EINVAL; 403 if (sscanf(buf, "timeout=%d", &timeout) == 1) { 404 buf = strsep(&pos, " "); 405 if (!buf || !tx || !start) 406 return -EINVAL; 407 } 408 409 ret = kstrtoul(buf, 0, &tid); 410 if (ret || tid >= IEEE80211_NUM_TIDS) 411 return -EINVAL; 412 413 if (tx) { 414 if (start) 415 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 416 timeout); 417 else 418 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); 419 } else { 420 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 421 3, true); 422 ret = 0; 423 } 424 425 return ret ?: count; 426 } 427 STA_OPS_RW(agg_status); 428 429 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, 430 size_t count, loff_t *ppos) 431 { 432 #define PRINT_HT_CAP(_cond, _str) \ 433 do { \ 434 if (_cond) \ 435 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ 436 } while (0) 437 char buf[512], *p = buf; 438 int i; 439 struct sta_info *sta = file->private_data; 440 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; 441 442 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", 443 htc->ht_supported ? "" : "not "); 444 if (htc->ht_supported) { 445 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); 446 447 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); 448 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); 449 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); 450 451 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); 452 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); 453 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); 454 455 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); 456 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); 457 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); 458 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); 459 460 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); 461 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); 462 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); 463 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); 464 465 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); 466 467 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " 468 "3839 bytes"); 469 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " 470 "7935 bytes"); 471 472 /* 473 * For beacons and probe response this would mean the BSS 474 * does or does not allow the usage of DSSS/CCK HT40. 475 * Otherwise it means the STA does or does not use 476 * DSSS/CCK HT40. 477 */ 478 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); 479 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); 480 481 /* BIT(13) is reserved */ 482 483 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); 484 485 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); 486 487 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", 488 htc->ampdu_factor, htc->ampdu_density); 489 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); 490 491 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) 492 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", 493 htc->mcs.rx_mask[i]); 494 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 495 496 /* If not set this is meaningless */ 497 if (le16_to_cpu(htc->mcs.rx_highest)) { 498 p += scnprintf(p, sizeof(buf)+buf-p, 499 "MCS rx highest: %d Mbps\n", 500 le16_to_cpu(htc->mcs.rx_highest)); 501 } 502 503 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", 504 htc->mcs.tx_params); 505 } 506 507 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 508 } 509 STA_OPS(ht_capa); 510 511 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, 512 size_t count, loff_t *ppos) 513 { 514 char buf[512], *p = buf; 515 struct sta_info *sta = file->private_data; 516 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; 517 518 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", 519 vhtc->vht_supported ? "" : "not "); 520 if (vhtc->vht_supported) { 521 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n", 522 vhtc->cap); 523 #define PFLAG(a, b) \ 524 do { \ 525 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \ 526 p += scnprintf(p, sizeof(buf) + buf - p, \ 527 "\t\t%s\n", b); \ 528 } while (0) 529 530 switch (vhtc->cap & 0x3) { 531 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: 532 p += scnprintf(p, sizeof(buf) + buf - p, 533 "\t\tMAX-MPDU-3895\n"); 534 break; 535 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: 536 p += scnprintf(p, sizeof(buf) + buf - p, 537 "\t\tMAX-MPDU-7991\n"); 538 break; 539 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: 540 p += scnprintf(p, sizeof(buf) + buf - p, 541 "\t\tMAX-MPDU-11454\n"); 542 break; 543 default: 544 p += scnprintf(p, sizeof(buf) + buf - p, 545 "\t\tMAX-MPDU-UNKNOWN\n"); 546 } 547 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 548 case 0: 549 p += scnprintf(p, sizeof(buf) + buf - p, 550 "\t\t80Mhz\n"); 551 break; 552 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 553 p += scnprintf(p, sizeof(buf) + buf - p, 554 "\t\t160Mhz\n"); 555 break; 556 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 557 p += scnprintf(p, sizeof(buf) + buf - p, 558 "\t\t80+80Mhz\n"); 559 break; 560 default: 561 p += scnprintf(p, sizeof(buf) + buf - p, 562 "\t\tUNKNOWN-MHZ: 0x%x\n", 563 (vhtc->cap >> 2) & 0x3); 564 } 565 PFLAG(RXLDPC, "RXLDPC"); 566 PFLAG(SHORT_GI_80, "SHORT-GI-80"); 567 PFLAG(SHORT_GI_160, "SHORT-GI-160"); 568 PFLAG(TXSTBC, "TXSTBC"); 569 p += scnprintf(p, sizeof(buf) + buf - p, 570 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7); 571 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE"); 572 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE"); 573 p += scnprintf(p, sizeof(buf) + buf - p, 574 "\t\tBEAMFORMEE-STS: 0x%x\n", 575 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >> 576 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 577 p += scnprintf(p, sizeof(buf) + buf - p, 578 "\t\tSOUNDING-DIMENSIONS: 0x%x\n", 579 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK) 580 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); 581 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE"); 582 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE"); 583 PFLAG(VHT_TXOP_PS, "TXOP-PS"); 584 PFLAG(HTC_VHT, "HTC-VHT"); 585 p += scnprintf(p, sizeof(buf) + buf - p, 586 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n", 587 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 588 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); 589 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB, 590 "LINK-ADAPTATION-VHT-UNSOL-MFB"); 591 p += scnprintf(p, sizeof(buf) + buf - p, 592 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n", 593 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26); 594 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN"); 595 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN"); 596 597 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", 598 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); 599 if (vhtc->vht_mcs.rx_highest) 600 p += scnprintf(p, sizeof(buf)+buf-p, 601 "MCS RX highest: %d Mbps\n", 602 le16_to_cpu(vhtc->vht_mcs.rx_highest)); 603 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", 604 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); 605 if (vhtc->vht_mcs.tx_highest) 606 p += scnprintf(p, sizeof(buf)+buf-p, 607 "MCS TX highest: %d Mbps\n", 608 le16_to_cpu(vhtc->vht_mcs.tx_highest)); 609 #undef PFLAG 610 } 611 612 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 613 } 614 STA_OPS(vht_capa); 615 616 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf, 617 size_t count, loff_t *ppos) 618 { 619 char *buf, *p; 620 size_t buf_sz = PAGE_SIZE; 621 struct sta_info *sta = file->private_data; 622 struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap; 623 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp; 624 u8 ppe_size; 625 u8 *cap; 626 int i; 627 ssize_t ret; 628 629 buf = kmalloc(buf_sz, GFP_KERNEL); 630 if (!buf) 631 return -ENOMEM; 632 p = buf; 633 634 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n", 635 hec->has_he ? "" : "not "); 636 if (!hec->has_he) 637 goto out; 638 639 cap = hec->he_cap_elem.mac_cap_info; 640 p += scnprintf(p, buf_sz + buf - p, 641 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 642 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]); 643 644 #define PRINT(fmt, ...) \ 645 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \ 646 ##__VA_ARGS__) 647 648 #define PFLAG(t, n, a, b) \ 649 do { \ 650 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \ 651 PRINT("%s", b); \ 652 } while (0) 653 654 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \ 655 do { \ 656 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \ 657 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \ 658 PRINT(fmt, (s << idx) + (m * idx)); \ 659 } while (0) 660 661 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \ 662 do { \ 663 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \ 664 PRINT("%s", b); \ 665 break; \ 666 } \ 667 PFLAG_RANGE(t, i, n, s, m, off, fmt); \ 668 } while (0) 669 670 PFLAG(MAC, 0, HTC_HE, "HTC-HE"); 671 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ"); 672 PFLAG(MAC, 0, TWT_RES, "TWT-RES"); 673 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0, 674 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP"); 675 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0, 676 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED"); 677 678 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1, 679 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED"); 680 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0, 681 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN"); 682 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1, 683 "MULTI-TID-AGG-RX-QOS-%d"); 684 685 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) { 686 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) { 687 case 0: 688 PRINT("LINK-ADAPTATION-NO-FEEDBACK"); 689 break; 690 case 1: 691 PRINT("LINK-ADAPTATION-RESERVED"); 692 break; 693 case 2: 694 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK"); 695 break; 696 case 3: 697 PRINT("LINK-ADAPTATION-BOTH"); 698 break; 699 } 700 } 701 702 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK"); 703 PFLAG(MAC, 2, TRS, "TRS"); 704 PFLAG(MAC, 2, BSR, "BSR"); 705 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT"); 706 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP"); 707 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING"); 708 PFLAG(MAC, 2, ACK_EN, "ACK-EN"); 709 710 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL"); 711 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA"); 712 713 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) { 714 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0: 715 PRINT("MAX-AMPDU-LEN-EXP-USE-EXT-0"); 716 break; 717 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1: 718 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-1"); 719 break; 720 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2: 721 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-2"); 722 break; 723 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3: 724 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-3"); 725 break; 726 } 727 728 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG"); 729 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED"); 730 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS"); 731 732 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG"); 733 PFLAG(MAC, 4, QTP, "QTP"); 734 PFLAG(MAC, 4, BQR, "BQR"); 735 PFLAG(MAC, 4, PSR_RESP, "PSR-RESP"); 736 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP"); 737 PFLAG(MAC, 4, OPS, "OPS"); 738 PFLAG(MAC, 4, AMSDU_IN_AMPDU, "AMSDU-IN-AMPDU"); 739 740 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7); 741 742 PFLAG(MAC, 5, SUBCHAN_SELECTIVE_TRANSMISSION, 743 "SUBCHAN-SELECTIVE-TRANSMISSION"); 744 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU"); 745 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX"); 746 PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS"); 747 PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING"); 748 PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX"); 749 750 cap = hec->he_cap_elem.phy_cap_info; 751 p += scnprintf(p, buf_sz + buf - p, 752 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n", 753 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6], 754 cap[7], cap[8], cap[9], cap[10]); 755 756 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G, 757 "CHANNEL-WIDTH-SET-40MHZ-IN-2G"); 758 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G, 759 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G"); 760 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G, 761 "CHANNEL-WIDTH-SET-160MHZ-IN-5G"); 762 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G, 763 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G"); 764 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G, 765 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G"); 766 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G, 767 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G"); 768 769 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) { 770 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ: 771 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ"); 772 break; 773 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ: 774 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ"); 775 break; 776 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ: 777 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ"); 778 break; 779 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ: 780 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ"); 781 break; 782 } 783 784 PFLAG(PHY, 1, DEVICE_CLASS_A, 785 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A"); 786 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD, 787 "LDPC-CODING-IN-PAYLOAD"); 788 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US, 789 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US"); 790 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3); 791 792 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US"); 793 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ"); 794 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ"); 795 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX"); 796 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX"); 797 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO"); 798 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO"); 799 800 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) { 801 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM: 802 PRINT("DCM-MAX-CONST-TX-NO-DCM"); 803 break; 804 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK: 805 PRINT("DCM-MAX-CONST-TX-BPSK"); 806 break; 807 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK: 808 PRINT("DCM-MAX-CONST-TX-QPSK"); 809 break; 810 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM: 811 PRINT("DCM-MAX-CONST-TX-16-QAM"); 812 break; 813 } 814 815 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1"); 816 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2"); 817 818 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) { 819 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM: 820 PRINT("DCM-MAX-CONST-RX-NO-DCM"); 821 break; 822 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK: 823 PRINT("DCM-MAX-CONST-RX-BPSK"); 824 break; 825 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK: 826 PRINT("DCM-MAX-CONST-RX-QPSK"); 827 break; 828 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM: 829 PRINT("DCM-MAX-CONST-RX-16-QAM"); 830 break; 831 } 832 833 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1"); 834 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2"); 835 PFLAG(PHY, 3, RX_PARTIAL_BW_SU_IN_20MHZ_MU, 836 "RX-PARTIAL-BW-SU-IN-20MHZ-MU"); 837 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER"); 838 839 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE"); 840 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER"); 841 842 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4, 843 "BEAMFORMEE-MAX-STS-UNDER-%d"); 844 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4, 845 "BEAMFORMEE-MAX-STS-ABOVE-%d"); 846 847 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1, 848 "NUM-SND-DIM-UNDER-80MHZ-%d"); 849 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1, 850 "NUM-SND-DIM-ABOVE-80MHZ-%d"); 851 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK"); 852 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK"); 853 854 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU"); 855 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU"); 856 PFLAG(PHY, 6, TRIG_SU_BEAMFORMING_FB, "TRIG-SU-BEAMFORMING-FB"); 857 PFLAG(PHY, 6, TRIG_MU_BEAMFORMING_PARTIAL_BW_FB, 858 "MU-BEAMFORMING-PARTIAL-BW-FB"); 859 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB"); 860 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE"); 861 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO, 862 "PARTIAL-BANDWIDTH-DL-MUMIMO"); 863 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT"); 864 865 PFLAG(PHY, 7, PSR_BASED_SR, "PSR-BASED-SR"); 866 PFLAG(PHY, 7, POWER_BOOST_FACTOR_SUPP, "POWER-BOOST-FACTOR-SUPP"); 867 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI, 868 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI"); 869 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d"); 870 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ"); 871 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ"); 872 873 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI, 874 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI"); 875 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G, 876 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G"); 877 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU"); 878 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU"); 879 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI, 880 "HE-ER-SU-1XLTF-AND-08-US-GI"); 881 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF, 882 "MIDAMBLE-RX-TX-2X-AND-1XLTF"); 883 884 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) { 885 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242: 886 PRINT("DCM-MAX-RU-242"); 887 break; 888 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484: 889 PRINT("DCM-MAX-RU-484"); 890 break; 891 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996: 892 PRINT("DCM-MAX-RU-996"); 893 break; 894 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996: 895 PRINT("DCM-MAX-RU-2x996"); 896 break; 897 } 898 899 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM, 900 "LONGER-THAN-16-SIGB-OFDM-SYM"); 901 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK, 902 "NON-TRIGGERED-CQI-FEEDBACK"); 903 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU, 904 "TX-1024-QAM-LESS-THAN-242-TONE-RU"); 905 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU, 906 "RX-1024-QAM-LESS-THAN-242-TONE-RU"); 907 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB, 908 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB"); 909 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB, 910 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB"); 911 912 switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 913 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 914 PRINT("NOMINAL-PACKET-PADDING-0US"); 915 break; 916 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 917 PRINT("NOMINAL-PACKET-PADDING-8US"); 918 break; 919 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 920 PRINT("NOMINAL-PACKET-PADDING-16US"); 921 break; 922 } 923 924 #undef PFLAG_RANGE_DEFAULT 925 #undef PFLAG_RANGE 926 #undef PFLAG 927 928 #define PRINT_NSS_SUPP(f, n) \ 929 do { \ 930 int _i; \ 931 u16 v = le16_to_cpu(nss->f); \ 932 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \ 933 for (_i = 0; _i < 8; _i += 2) { \ 934 switch ((v >> _i) & 0x3) { \ 935 case 0: \ 936 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \ 937 break; \ 938 case 1: \ 939 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \ 940 break; \ 941 case 2: \ 942 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \ 943 break; \ 944 case 3: \ 945 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \ 946 break; \ 947 } \ 948 } \ 949 } while (0) 950 951 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80"); 952 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80"); 953 954 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) { 955 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160"); 956 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160"); 957 } 958 959 if (cap[0] & 960 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { 961 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80"); 962 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80"); 963 } 964 965 #undef PRINT_NSS_SUPP 966 #undef PRINT 967 968 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)) 969 goto out; 970 971 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x", 972 hec->ppe_thres[0]); 973 974 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap); 975 for (i = 1; i < ppe_size; i++) { 976 p += scnprintf(p, buf_sz + buf - p, " %#.2x", 977 hec->ppe_thres[i]); 978 } 979 p += scnprintf(p, buf_sz + buf - p, "\n"); 980 981 out: 982 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 983 kfree(buf); 984 return ret; 985 } 986 STA_OPS(he_capa); 987 988 #define DEBUGFS_ADD(name) \ 989 debugfs_create_file(#name, 0400, \ 990 sta->debugfs_dir, sta, &sta_ ##name## _ops) 991 992 #define DEBUGFS_ADD_COUNTER(name, field) \ 993 debugfs_create_ulong(#name, 0400, sta->debugfs_dir, &sta->field); 994 995 void ieee80211_sta_debugfs_add(struct sta_info *sta) 996 { 997 struct ieee80211_local *local = sta->local; 998 struct ieee80211_sub_if_data *sdata = sta->sdata; 999 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; 1000 u8 mac[3*ETH_ALEN]; 1001 1002 if (!stations_dir) 1003 return; 1004 1005 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); 1006 1007 /* 1008 * This might fail due to a race condition: 1009 * When mac80211 unlinks a station, the debugfs entries 1010 * remain, but it is already possible to link a new 1011 * station with the same address which triggers adding 1012 * it to debugfs; therefore, if the old station isn't 1013 * destroyed quickly enough the old station's debugfs 1014 * dir might still be around. 1015 */ 1016 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir); 1017 1018 DEBUGFS_ADD(flags); 1019 DEBUGFS_ADD(aid); 1020 DEBUGFS_ADD(num_ps_buf_frames); 1021 DEBUGFS_ADD(last_seq_ctrl); 1022 DEBUGFS_ADD(agg_status); 1023 DEBUGFS_ADD(ht_capa); 1024 DEBUGFS_ADD(vht_capa); 1025 DEBUGFS_ADD(he_capa); 1026 1027 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates); 1028 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); 1029 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered); 1030 1031 if (local->ops->wake_tx_queue) { 1032 DEBUGFS_ADD(aqm); 1033 DEBUGFS_ADD(airtime); 1034 } 1035 1036 if (wiphy_ext_feature_isset(local->hw.wiphy, 1037 NL80211_EXT_FEATURE_AQL)) 1038 DEBUGFS_ADD(aql); 1039 1040 debugfs_create_xul("driver_buffered_tids", 0400, sta->debugfs_dir, 1041 &sta->driver_buffered_tids); 1042 1043 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir); 1044 } 1045 1046 void ieee80211_sta_debugfs_remove(struct sta_info *sta) 1047 { 1048 debugfs_remove_recursive(sta->debugfs_dir); 1049 sta->debugfs_dir = NULL; 1050 } 1051