net/mac80211/debugfs_sta.c

   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 = 200;
 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,
 222                 tx_airtime,
 223                 sta->airtime_weight,
 224                 deficit[0],
 225                 deficit[1],
 226                 deficit[2],
 227                 deficit[3]);
 228
 229         rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 230         kfree(buf);
 231         return rv;
 232 }
 233
 234 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf,
 235                                  size_t count, loff_t *ppos)
 236 {
 237         struct sta_info *sta = file->private_data;
 238         struct ieee80211_local *local = sta->sdata->local;
 239         int ac;
 240
 241         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 242                 spin_lock_bh(&local->active_txq_lock[ac]);
 243                 sta->airtime[ac].rx_airtime = 0;
 244                 sta->airtime[ac].tx_airtime = 0;
 245                 sta->airtime[ac].deficit = sta->airtime_weight;
 246                 spin_unlock_bh(&local->active_txq_lock[ac]);
 247         }
 248
 249         return count;
 250 }
 251 STA_OPS_RW(airtime);
 252
 253 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
 254                                         size_t count, loff_t *ppos)
 255 {
 256         char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
 257         int i;
 258         struct sta_info *sta = file->private_data;
 259         struct tid_ampdu_rx *tid_rx;
 260         struct tid_ampdu_tx *tid_tx;
 261
 262         rcu_read_lock();
 263
 264         p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
 265                         sta->ampdu_mlme.dialog_token_allocator + 1);
 266         p += scnprintf(p, sizeof(buf) + buf - p,
 267                        "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
 268
 269         for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
 270                 bool tid_rx_valid;
 271
 272                 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
 273                 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
 274                 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
 275
 276                 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
 277                 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
 278                                tid_rx_valid);
 279                 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
 280                                tid_rx_valid ?
 281                                         sta->ampdu_mlme.tid_rx_token[i] : 0);
 282                 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
 283                                 tid_rx ? tid_rx->ssn : 0);
 284
 285                 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
 286                 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
 287                                 tid_tx ? tid_tx->dialog_token : 0);
 288                 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
 289                                 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
 290                 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
 291         }
 292         rcu_read_unlock();
 293
 294         return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 295 }
 296
 297 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
 298                                     size_t count, loff_t *ppos)
 299 {
 300         char _buf[25] = {}, *buf = _buf;
 301         struct sta_info *sta = file->private_data;
 302         bool start, tx;
 303         unsigned long tid;
 304         char *pos;
 305         int ret, timeout = 5000;
 306
 307         if (count > sizeof(_buf))
 308                 return -EINVAL;
 309
 310         if (copy_from_user(buf, userbuf, count))
 311                 return -EFAULT;
 312
 313         buf[sizeof(_buf) - 1] = '\0';
 314         pos = buf;
 315         buf = strsep(&pos, " ");
 316         if (!buf)
 317                 return -EINVAL;
 318
 319         if (!strcmp(buf, "tx"))
 320                 tx = true;
 321         else if (!strcmp(buf, "rx"))
 322                 tx = false;
 323         else
 324                 return -EINVAL;
 325
 326         buf = strsep(&pos, " ");
 327         if (!buf)
 328                 return -EINVAL;
 329         if (!strcmp(buf, "start")) {
 330                 start = true;
 331                 if (!tx)
 332                         return -EINVAL;
 333         } else if (!strcmp(buf, "stop")) {
 334                 start = false;
 335         } else {
 336                 return -EINVAL;
 337         }
 338
 339         buf = strsep(&pos, " ");
 340         if (!buf)
 341                 return -EINVAL;
 342         if (sscanf(buf, "timeout=%d", &timeout) == 1) {
 343                 buf = strsep(&pos, " ");
 344                 if (!buf || !tx || !start)
 345                         return -EINVAL;
 346         }
 347
 348         ret = kstrtoul(buf, 0, &tid);
 349         if (ret || tid >= IEEE80211_NUM_TIDS)
 350                 return -EINVAL;
 351
 352         if (tx) {
 353                 if (start)
 354                         ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
 355                                                             timeout);
 356                 else
 357                         ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
 358         } else {
 359                 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
 360                                                3, true);
 361                 ret = 0;
 362         }
 363
 364         return ret ?: count;
 365 }
 366 STA_OPS_RW(agg_status);
 367
 368 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
 369                                 size_t count, loff_t *ppos)
 370 {
 371 #define PRINT_HT_CAP(_cond, _str) \
 372         do { \
 373         if (_cond) \
 374                         p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
 375         } while (0)
 376         char buf[512], *p = buf;
 377         int i;
 378         struct sta_info *sta = file->private_data;
 379         struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
 380
 381         p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
 382                         htc->ht_supported ? "" : "not ");
 383         if (htc->ht_supported) {
 384                 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
 385
 386                 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
 387                 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
 388                 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
 389
 390                 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
 391                 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
 392                 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
 393
 394                 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
 395                 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
 396                 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
 397                 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
 398
 399                 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
 400                 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
 401                 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
 402                 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
 403
 404                 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
 405
 406                 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
 407                              "3839 bytes");
 408                 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
 409                              "7935 bytes");
 410
 411                 /*
 412                  * For beacons and probe response this would mean the BSS
 413                  * does or does not allow the usage of DSSS/CCK HT40.
 414                  * Otherwise it means the STA does or does not use
 415                  * DSSS/CCK HT40.
 416                  */
 417                 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
 418                 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
 419
 420                 /* BIT(13) is reserved */
 421
 422                 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
 423
 424                 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
 425
 426                 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
 427                                 htc->ampdu_factor, htc->ampdu_density);
 428                 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
 429
 430                 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
 431                         p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
 432                                         htc->mcs.rx_mask[i]);
 433                 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
 434
 435                 /* If not set this is meaningless */
 436                 if (le16_to_cpu(htc->mcs.rx_highest)) {
 437                         p += scnprintf(p, sizeof(buf)+buf-p,
 438                                        "MCS rx highest: %d Mbps\n",
 439                                        le16_to_cpu(htc->mcs.rx_highest));
 440                 }
 441
 442                 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
 443                                 htc->mcs.tx_params);
 444         }
 445
 446         return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 447 }
 448 STA_OPS(ht_capa);
 449
 450 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
 451                                  size_t count, loff_t *ppos)
 452 {
 453         char buf[512], *p = buf;
 454         struct sta_info *sta = file->private_data;
 455         struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
 456
 457         p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
 458                         vhtc->vht_supported ? "" : "not ");
 459         if (vhtc->vht_supported) {
 460                 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n",
 461                                vhtc->cap);
 462 #define PFLAG(a, b)                                                     \
 463                 do {                                                    \
 464                         if (vhtc->cap & IEEE80211_VHT_CAP_ ## a)        \
 465                                 p += scnprintf(p, sizeof(buf) + buf - p, \
 466                                                "\t\t%s\n", b);          \
 467                 } while (0)
 468
 469                 switch (vhtc->cap & 0x3) {
 470                 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
 471                         p += scnprintf(p, sizeof(buf) + buf - p,
 472                                        "\t\tMAX-MPDU-3895\n");
 473                         break;
 474                 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
 475                         p += scnprintf(p, sizeof(buf) + buf - p,
 476                                        "\t\tMAX-MPDU-7991\n");
 477                         break;
 478                 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
 479                         p += scnprintf(p, sizeof(buf) + buf - p,
 480                                        "\t\tMAX-MPDU-11454\n");
 481                         break;
 482                 default:
 483                         p += scnprintf(p, sizeof(buf) + buf - p,
 484                                        "\t\tMAX-MPDU-UNKNOWN\n");
 485                 }
 486                 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
 487                 case 0:
 488                         p += scnprintf(p, sizeof(buf) + buf - p,
 489                                        "\t\t80Mhz\n");
 490                         break;
 491                 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
 492                         p += scnprintf(p, sizeof(buf) + buf - p,
 493                                        "\t\t160Mhz\n");
 494                         break;
 495                 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
 496                         p += scnprintf(p, sizeof(buf) + buf - p,
 497                                        "\t\t80+80Mhz\n");
 498                         break;
 499                 default:
 500                         p += scnprintf(p, sizeof(buf) + buf - p,
 501                                        "\t\tUNKNOWN-MHZ: 0x%x\n",
 502                                        (vhtc->cap >> 2) & 0x3);
 503                 }
 504                 PFLAG(RXLDPC, "RXLDPC");
 505                 PFLAG(SHORT_GI_80, "SHORT-GI-80");
 506                 PFLAG(SHORT_GI_160, "SHORT-GI-160");
 507                 PFLAG(TXSTBC, "TXSTBC");
 508                 p += scnprintf(p, sizeof(buf) + buf - p,
 509                                "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7);
 510                 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE");
 511                 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE");
 512                 p += scnprintf(p, sizeof(buf) + buf - p,
 513                         "\t\tBEAMFORMEE-STS: 0x%x\n",
 514                         (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >>
 515                         IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
 516                 p += scnprintf(p, sizeof(buf) + buf - p,
 517                         "\t\tSOUNDING-DIMENSIONS: 0x%x\n",
 518                         (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK)
 519                         >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
 520                 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE");
 521                 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE");
 522                 PFLAG(VHT_TXOP_PS, "TXOP-PS");
 523                 PFLAG(HTC_VHT, "HTC-VHT");
 524                 p += scnprintf(p, sizeof(buf) + buf - p,
 525                         "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n",
 526                         (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
 527                         IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
 528                 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB,
 529                       "LINK-ADAPTATION-VHT-UNSOL-MFB");
 530                 p += scnprintf(p, sizeof(buf) + buf - p,
 531                         "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n",
 532                         (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26);
 533                 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN");
 534                 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN");
 535
 536                 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n",
 537                                le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
 538                 if (vhtc->vht_mcs.rx_highest)
 539                         p += scnprintf(p, sizeof(buf)+buf-p,
 540                                        "MCS RX highest: %d Mbps\n",
 541                                        le16_to_cpu(vhtc->vht_mcs.rx_highest));
 542                 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n",
 543                                le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
 544                 if (vhtc->vht_mcs.tx_highest)
 545                         p += scnprintf(p, sizeof(buf)+buf-p,
 546                                        "MCS TX highest: %d Mbps\n",
 547                                        le16_to_cpu(vhtc->vht_mcs.tx_highest));
 548 #undef PFLAG
 549         }
 550
 551         return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 552 }
 553 STA_OPS(vht_capa);
 554
 555 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
 556                                 size_t count, loff_t *ppos)
 557 {
 558         char *buf, *p;
 559         size_t buf_sz = PAGE_SIZE;
 560         struct sta_info *sta = file->private_data;
 561         struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap;
 562         struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp;
 563         u8 ppe_size;
 564         u8 *cap;
 565         int i;
 566         ssize_t ret;
 567
 568         buf = kmalloc(buf_sz, GFP_KERNEL);
 569         if (!buf)
 570                 return -ENOMEM;
 571         p = buf;
 572
 573         p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
 574                        hec->has_he ? "" : "not ");
 575         if (!hec->has_he)
 576                 goto out;
 577
 578         cap = hec->he_cap_elem.mac_cap_info;
 579         p += scnprintf(p, buf_sz + buf - p,
 580                        "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
 581                        cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
 582
 583 #define PRINT(fmt, ...)                                                 \
 584         p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n",            \
 585                        ##__VA_ARGS__)
 586
 587 #define PFLAG(t, n, a, b)                                               \
 588         do {                                                            \
 589                 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a)           \
 590                         PRINT("%s", b);                                 \
 591         } while (0)
 592
 593 #define PFLAG_RANGE(t, i, n, s, m, off, fmt)                            \
 594         do {                                                            \
 595                 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK;        \
 596                 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off;      \
 597                 PRINT(fmt, (s << idx) + (m * idx));                     \
 598         } while (0)
 599
 600 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b)              \
 601         do {                                                            \
 602                 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
 603                         PRINT("%s", b);                                 \
 604                         break;                                          \
 605                 }                                                       \
 606                 PFLAG_RANGE(t, i, n, s, m, off, fmt);                   \
 607         } while (0)
 608
 609         PFLAG(MAC, 0, HTC_HE, "HTC-HE");
 610         PFLAG(MAC, 0, TWT_REQ, "TWT-REQ");
 611         PFLAG(MAC, 0, TWT_RES, "TWT-RES");
 612         PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0,
 613                             "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP");
 614         PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0,
 615                             "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED");
 616
 617         PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1,
 618                             "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED");
 619         PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0,
 620                             "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN");
 621         PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
 622                     "MULTI-TID-AGG-RX-QOS-%d");
 623
 624         if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
 625                 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
 626                 case 0:
 627                         PRINT("LINK-ADAPTATION-NO-FEEDBACK");
 628                         break;
 629                 case 1:
 630                         PRINT("LINK-ADAPTATION-RESERVED");
 631                         break;
 632                 case 2:
 633                         PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
 634                         break;
 635                 case 3:
 636                         PRINT("LINK-ADAPTATION-BOTH");
 637                         break;
 638                 }
 639         }
 640
 641         PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
 642         PFLAG(MAC, 2, TRS, "TRS");
 643         PFLAG(MAC, 2, BSR, "BSR");
 644         PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT");
 645         PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP");
 646         PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING");
 647         PFLAG(MAC, 2, ACK_EN, "ACK-EN");
 648
 649         PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
 650         PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
 651
 652         switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
 653         case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT:
 654                 PRINT("MAX-AMPDU-LEN-EXP-USE-VHT");
 655                 break;
 656         case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1:
 657                 PRINT("MAX-AMPDU-LEN-EXP-VHT-1");
 658                 break;
 659         case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2:
 660                 PRINT("MAX-AMPDU-LEN-EXP-VHT-2");
 661                 break;
 662         case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED:
 663                 PRINT("MAX-AMPDU-LEN-EXP-RESERVED");
 664                 break;
 665         }
 666
 667         PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
 668         PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
 669         PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
 670
 671         PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG");
 672         PFLAG(MAC, 4, QTP, "QTP");
 673         PFLAG(MAC, 4, BQR, "BQR");
 674         PFLAG(MAC, 4, SRP_RESP, "SRP-RESP");
 675         PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP");
 676         PFLAG(MAC, 4, OPS, "OPS");
 677         PFLAG(MAC, 4, AMDSU_IN_AMPDU, "AMSDU-IN-AMPDU");
 678
 679         PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
 680
 681         PFLAG(MAC, 5, SUBCHAN_SELECVITE_TRANSMISSION,
 682               "SUBCHAN-SELECVITE-TRANSMISSION");
 683         PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
 684         PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
 685         PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS");
 686         PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING");
 687         PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX");
 688
 689         cap = hec->he_cap_elem.phy_cap_info;
 690         p += scnprintf(p, buf_sz + buf - p,
 691                        "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
 692                        cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
 693                        cap[7], cap[8], cap[9], cap[10]);
 694
 695         PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G,
 696               "CHANNEL-WIDTH-SET-40MHZ-IN-2G");
 697         PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G,
 698               "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G");
 699         PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G,
 700               "CHANNEL-WIDTH-SET-160MHZ-IN-5G");
 701         PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
 702               "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G");
 703         PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G,
 704               "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G");
 705         PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G,
 706               "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G");
 707
 708         switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) {
 709         case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ:
 710                 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ");
 711                 break;
 712         case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
 713                 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
 714                 break;
 715         case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
 716                 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
 717                 break;
 718         case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
 719                 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
 720                 break;
 721         }
 722
 723         PFLAG(PHY, 1, DEVICE_CLASS_A,
 724               "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A");
 725         PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD,
 726               "LDPC-CODING-IN-PAYLOAD");
 727         PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US,
 728               "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US");
 729         PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3);
 730
 731         PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US");
 732         PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ");
 733         PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ");
 734         PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX");
 735         PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX");
 736         PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO");
 737         PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO");
 738
 739         switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) {
 740         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM:
 741                 PRINT("DCM-MAX-CONST-TX-NO-DCM");
 742                 break;
 743         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
 744                 PRINT("DCM-MAX-CONST-TX-BPSK");
 745                 break;
 746         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
 747                 PRINT("DCM-MAX-CONST-TX-QPSK");
 748                 break;
 749         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
 750                 PRINT("DCM-MAX-CONST-TX-16-QAM");
 751                 break;
 752         }
 753
 754         PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1");
 755         PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2");
 756
 757         switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) {
 758         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM:
 759                 PRINT("DCM-MAX-CONST-RX-NO-DCM");
 760                 break;
 761         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
 762                 PRINT("DCM-MAX-CONST-RX-BPSK");
 763                 break;
 764         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
 765                 PRINT("DCM-MAX-CONST-RX-QPSK");
 766                 break;
 767         case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
 768                 PRINT("DCM-MAX-CONST-RX-16-QAM");
 769                 break;
 770         }
 771
 772         PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1");
 773         PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2");
 774         PFLAG(PHY, 3, RX_HE_MU_PPDU_FROM_NON_AP_STA,
 775               "RX-HE-MU-PPDU-FROM-NON-AP-STA");
 776         PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER");
 777
 778         PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
 779         PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
 780
 781         PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4,
 782                     "BEAMFORMEE-MAX-STS-UNDER-%d");
 783         PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4,
 784                     "BEAMFORMEE-MAX-STS-ABOVE-%d");
 785
 786         PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1,
 787                     "NUM-SND-DIM-UNDER-80MHZ-%d");
 788         PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1,
 789                     "NUM-SND-DIM-ABOVE-80MHZ-%d");
 790         PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK");
 791         PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK");
 792
 793         PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU");
 794         PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU");
 795         PFLAG(PHY, 6, TRIG_SU_BEAMFORMER_FB, "TRIG-SU-BEAMFORMER-FB");
 796         PFLAG(PHY, 6, TRIG_MU_BEAMFORMER_FB, "TRIG-MU-BEAMFORMER-FB");
 797         PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB");
 798         PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE");
 799         PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO,
 800               "PARTIAL-BANDWIDTH-DL-MUMIMO");
 801         PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT");
 802
 803         PFLAG(PHY, 7, SRP_BASED_SR, "SRP-BASED-SR");
 804         PFLAG(PHY, 7, POWER_BOOST_FACTOR_AR, "POWER-BOOST-FACTOR-AR");
 805         PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI,
 806               "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI");
 807         PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d");
 808         PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ");
 809         PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ");
 810
 811         PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI,
 812               "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI");
 813         PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G,
 814               "20MHZ-IN-40MHZ-HE-PPDU-IN-2G");
 815         PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU");
 816         PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU");
 817         PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI,
 818               "HE-ER-SU-1XLTF-AND-08-US-GI");
 819         PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
 820               "MIDAMBLE-RX-TX-2X-AND-1XLTF");
 821
 822         switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) {
 823         case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242:
 824                 PRINT("DCM-MAX-RU-242");
 825                 break;
 826         case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484:
 827                 PRINT("DCM-MAX-RU-484");
 828                 break;
 829         case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996:
 830                 PRINT("DCM-MAX-RU-996");
 831                 break;
 832         case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996:
 833                 PRINT("DCM-MAX-RU-2x996");
 834                 break;
 835         }
 836
 837         PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM,
 838               "LONGER-THAN-16-SIGB-OFDM-SYM");
 839         PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK,
 840               "NON-TRIGGERED-CQI-FEEDBACK");
 841         PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU,
 842               "TX-1024-QAM-LESS-THAN-242-TONE-RU");
 843         PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU,
 844               "RX-1024-QAM-LESS-THAN-242-TONE-RU");
 845         PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB,
 846               "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB");
 847         PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
 848               "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
 849
 850         switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) {
 851         case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US:
 852                 PRINT("NOMINAL-PACKET-PADDING-0US");
 853                 break;
 854         case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US:
 855                 PRINT("NOMINAL-PACKET-PADDING-8US");
 856                 break;
 857         case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US:
 858                 PRINT("NOMINAL-PACKET-PADDING-16US");
 859                 break;
 860         }
 861
 862 #undef PFLAG_RANGE_DEFAULT
 863 #undef PFLAG_RANGE
 864 #undef PFLAG
 865
 866 #define PRINT_NSS_SUPP(f, n)                                            \
 867         do {                                                            \
 868                 int _i;                                                 \
 869                 u16 v = le16_to_cpu(nss->f);                            \
 870                 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v);  \
 871                 for (_i = 0; _i < 8; _i += 2) {                         \
 872                         switch ((v >> _i) & 0x3) {                      \
 873                         case 0:                                         \
 874                                 PRINT(n "-%d-SUPPORT-0-7", _i / 2);     \
 875                                 break;                                  \
 876                         case 1:                                         \
 877                                 PRINT(n "-%d-SUPPORT-0-9", _i / 2);     \
 878                                 break;                                  \
 879                         case 2:                                         \
 880                                 PRINT(n "-%d-SUPPORT-0-11", _i / 2);    \
 881                                 break;                                  \
 882                         case 3:                                         \
 883                                 PRINT(n "-%d-NOT-SUPPORTED", _i / 2);   \
 884                                 break;                                  \
 885                         }                                               \
 886                 }                                                       \
 887         } while (0)
 888
 889         PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
 890         PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
 891
 892         if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
 893                 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160");
 894                 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160");
 895         }
 896
 897         if (cap[0] &
 898             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
 899                 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80");
 900                 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80");
 901         }
 902
 903 #undef PRINT_NSS_SUPP
 904 #undef PRINT
 905
 906         if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
 907                 goto out;
 908
 909         p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
 910                        hec->ppe_thres[0]);
 911
 912         ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap);
 913         for (i = 1; i < ppe_size; i++) {
 914                 p += scnprintf(p, buf_sz + buf - p, " %#.2x",
 915                                hec->ppe_thres[i]);
 916         }
 917         p += scnprintf(p, buf_sz + buf - p, "\n");
 918
 919 out:
 920         ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 921         kfree(buf);
 922         return ret;
 923 }
 924 STA_OPS(he_capa);
 925
 926 #define DEBUGFS_ADD(name) \
 927         debugfs_create_file(#name, 0400, \
 928                 sta->debugfs_dir, sta, &sta_ ##name## _ops);
 929
 930 #define DEBUGFS_ADD_COUNTER(name, field)                                \
 931         if (sizeof(sta->field) == sizeof(u32))                          \
 932                 debugfs_create_u32(#name, 0400, sta->debugfs_dir,       \
 933                         (u32 *) &sta->field);                           \
 934         else                                                            \
 935                 debugfs_create_u64(#name, 0400, sta->debugfs_dir,       \
 936                         (u64 *) &sta->field);
 937
 938 void ieee80211_sta_debugfs_add(struct sta_info *sta)
 939 {
 940         struct ieee80211_local *local = sta->local;
 941         struct ieee80211_sub_if_data *sdata = sta->sdata;
 942         struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
 943         u8 mac[3*ETH_ALEN];
 944
 945         if (!stations_dir)
 946                 return;
 947
 948         snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
 949
 950         /*
 951          * This might fail due to a race condition:
 952          * When mac80211 unlinks a station, the debugfs entries
 953          * remain, but it is already possible to link a new
 954          * station with the same address which triggers adding
 955          * it to debugfs; therefore, if the old station isn't
 956          * destroyed quickly enough the old station's debugfs
 957          * dir might still be around.
 958          */
 959         sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
 960
 961         DEBUGFS_ADD(flags);
 962         DEBUGFS_ADD(aid);
 963         DEBUGFS_ADD(num_ps_buf_frames);
 964         DEBUGFS_ADD(last_seq_ctrl);
 965         DEBUGFS_ADD(agg_status);
 966         DEBUGFS_ADD(ht_capa);
 967         DEBUGFS_ADD(vht_capa);
 968         DEBUGFS_ADD(he_capa);
 969
 970         DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates);
 971         DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments);
 972         DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered);
 973
 974         if (local->ops->wake_tx_queue)
 975                 DEBUGFS_ADD(aqm);
 976
 977         if (wiphy_ext_feature_isset(local->hw.wiphy,
 978                                     NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
 979                 DEBUGFS_ADD(airtime);
 980
 981         if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
 982                 debugfs_create_x32("driver_buffered_tids", 0400,
 983                                    sta->debugfs_dir,
 984                                    (u32 *)&sta->driver_buffered_tids);
 985         else
 986                 debugfs_create_x64("driver_buffered_tids", 0400,
 987                                    sta->debugfs_dir,
 988                                    (u64 *)&sta->driver_buffered_tids);
 989
 990         drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
 991 }
 992
 993 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
 994 {
 995         debugfs_remove_recursive(sta->debugfs_dir);
 996         sta->debugfs_dir = NULL;
 997 }