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0011 #include <linux/debugfs.h>
0012 #include <linux/ieee80211.h>
0013 #include "ieee80211_i.h"
0014 #include "debugfs.h"
0015 #include "debugfs_sta.h"
0016 #include "sta_info.h"
0017 #include "driver-ops.h"
0018
0019
0020
0021 #define STA_READ(name, field, format_string) \
0022 static ssize_t sta_ ##name## _read(struct file *file, \
0023 char __user *userbuf, \
0024 size_t count, loff_t *ppos) \
0025 { \
0026 struct sta_info *sta = file->private_data; \
0027 return mac80211_format_buffer(userbuf, count, ppos, \
0028 format_string, sta->field); \
0029 }
0030 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
0031
0032 #define STA_OPS(name) \
0033 static const struct file_operations sta_ ##name## _ops = { \
0034 .read = sta_##name##_read, \
0035 .open = simple_open, \
0036 .llseek = generic_file_llseek, \
0037 }
0038
0039 #define STA_OPS_RW(name) \
0040 static const struct file_operations sta_ ##name## _ops = { \
0041 .read = sta_##name##_read, \
0042 .write = sta_##name##_write, \
0043 .open = simple_open, \
0044 .llseek = generic_file_llseek, \
0045 }
0046
0047 #define STA_FILE(name, field, format) \
0048 STA_READ_##format(name, field) \
0049 STA_OPS(name)
0050
0051 STA_FILE(aid, sta.aid, D);
0052
0053 static const char * const sta_flag_names[] = {
0054 #define FLAG(F) [WLAN_STA_##F] = #F
0055 FLAG(AUTH),
0056 FLAG(ASSOC),
0057 FLAG(PS_STA),
0058 FLAG(AUTHORIZED),
0059 FLAG(SHORT_PREAMBLE),
0060 FLAG(WDS),
0061 FLAG(CLEAR_PS_FILT),
0062 FLAG(MFP),
0063 FLAG(BLOCK_BA),
0064 FLAG(PS_DRIVER),
0065 FLAG(PSPOLL),
0066 FLAG(TDLS_PEER),
0067 FLAG(TDLS_PEER_AUTH),
0068 FLAG(TDLS_INITIATOR),
0069 FLAG(TDLS_CHAN_SWITCH),
0070 FLAG(TDLS_OFF_CHANNEL),
0071 FLAG(TDLS_WIDER_BW),
0072 FLAG(UAPSD),
0073 FLAG(SP),
0074 FLAG(4ADDR_EVENT),
0075 FLAG(INSERTED),
0076 FLAG(RATE_CONTROL),
0077 FLAG(TOFFSET_KNOWN),
0078 FLAG(MPSP_OWNER),
0079 FLAG(MPSP_RECIPIENT),
0080 FLAG(PS_DELIVER),
0081 FLAG(USES_ENCRYPTION),
0082 FLAG(DECAP_OFFLOAD),
0083 #undef FLAG
0084 };
0085
0086 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
0087 size_t count, loff_t *ppos)
0088 {
0089 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
0090 char *end = buf + sizeof(buf) - 1;
0091 struct sta_info *sta = file->private_data;
0092 unsigned int flg;
0093
0094 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
0095
0096 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) {
0097 if (test_sta_flag(sta, flg))
0098 pos += scnprintf(pos, end - pos, "%s\n",
0099 sta_flag_names[flg]);
0100 }
0101
0102 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
0103 }
0104 STA_OPS(flags);
0105
0106 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
0107 char __user *userbuf,
0108 size_t count, loff_t *ppos)
0109 {
0110 struct sta_info *sta = file->private_data;
0111 char buf[17*IEEE80211_NUM_ACS], *p = buf;
0112 int ac;
0113
0114 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
0115 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
0116 skb_queue_len(&sta->ps_tx_buf[ac]) +
0117 skb_queue_len(&sta->tx_filtered[ac]));
0118 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0119 }
0120 STA_OPS(num_ps_buf_frames);
0121
0122 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
0123 size_t count, loff_t *ppos)
0124 {
0125 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
0126 int i;
0127 struct sta_info *sta = file->private_data;
0128 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
0129 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
0130 le16_to_cpu(sta->last_seq_ctrl[i]));
0131 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
0132 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0133 }
0134 STA_OPS(last_seq_ctrl);
0135
0136 #define AQM_TXQ_ENTRY_LEN 130
0137
0138 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
0139 size_t count, loff_t *ppos)
0140 {
0141 struct sta_info *sta = file->private_data;
0142 struct ieee80211_local *local = sta->local;
0143 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2);
0144 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
0145 struct txq_info *txqi;
0146 ssize_t rv;
0147 int i;
0148
0149 if (!buf)
0150 return -ENOMEM;
0151
0152 spin_lock_bh(&local->fq.lock);
0153 rcu_read_lock();
0154
0155 p += scnprintf(p,
0156 bufsz + buf - p,
0157 "target %uus interval %uus ecn %s\n",
0158 codel_time_to_us(sta->cparams.target),
0159 codel_time_to_us(sta->cparams.interval),
0160 sta->cparams.ecn ? "yes" : "no");
0161 p += scnprintf(p,
0162 bufsz + buf - p,
0163 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
0164
0165 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
0166 if (!sta->sta.txq[i])
0167 continue;
0168 txqi = to_txq_info(sta->sta.txq[i]);
0169 p += scnprintf(p, bufsz + buf - p,
0170 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n",
0171 txqi->txq.tid,
0172 txqi->txq.ac,
0173 txqi->tin.backlog_bytes,
0174 txqi->tin.backlog_packets,
0175 txqi->tin.flows,
0176 txqi->cstats.drop_count,
0177 txqi->cstats.ecn_mark,
0178 txqi->tin.overlimit,
0179 txqi->tin.collisions,
0180 txqi->tin.tx_bytes,
0181 txqi->tin.tx_packets,
0182 txqi->flags,
0183 test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN",
0184 test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "",
0185 test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "");
0186 }
0187
0188 rcu_read_unlock();
0189 spin_unlock_bh(&local->fq.lock);
0190
0191 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0192 kfree(buf);
0193 return rv;
0194 }
0195 STA_OPS(aqm);
0196
0197 static ssize_t sta_airtime_read(struct file *file, char __user *userbuf,
0198 size_t count, loff_t *ppos)
0199 {
0200 struct sta_info *sta = file->private_data;
0201 struct ieee80211_local *local = sta->sdata->local;
0202 size_t bufsz = 400;
0203 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
0204 u64 rx_airtime = 0, tx_airtime = 0;
0205 s32 deficit[IEEE80211_NUM_ACS];
0206 ssize_t rv;
0207 int ac;
0208
0209 if (!buf)
0210 return -ENOMEM;
0211
0212 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
0213 spin_lock_bh(&local->active_txq_lock[ac]);
0214 rx_airtime += sta->airtime[ac].rx_airtime;
0215 tx_airtime += sta->airtime[ac].tx_airtime;
0216 deficit[ac] = sta->airtime[ac].deficit;
0217 spin_unlock_bh(&local->active_txq_lock[ac]);
0218 }
0219
0220 p += scnprintf(p, bufsz + buf - p,
0221 "RX: %llu us\nTX: %llu us\nWeight: %u\n"
0222 "Deficit: VO: %d us VI: %d us BE: %d us BK: %d us\n",
0223 rx_airtime, tx_airtime, sta->airtime_weight,
0224 deficit[0], deficit[1], deficit[2], deficit[3]);
0225
0226 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0227 kfree(buf);
0228 return rv;
0229 }
0230
0231 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf,
0232 size_t count, loff_t *ppos)
0233 {
0234 struct sta_info *sta = file->private_data;
0235 struct ieee80211_local *local = sta->sdata->local;
0236 int ac;
0237
0238 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
0239 spin_lock_bh(&local->active_txq_lock[ac]);
0240 sta->airtime[ac].rx_airtime = 0;
0241 sta->airtime[ac].tx_airtime = 0;
0242 sta->airtime[ac].deficit = sta->airtime_weight;
0243 spin_unlock_bh(&local->active_txq_lock[ac]);
0244 }
0245
0246 return count;
0247 }
0248 STA_OPS_RW(airtime);
0249
0250 static ssize_t sta_aql_read(struct file *file, char __user *userbuf,
0251 size_t count, loff_t *ppos)
0252 {
0253 struct sta_info *sta = file->private_data;
0254 struct ieee80211_local *local = sta->sdata->local;
0255 size_t bufsz = 400;
0256 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
0257 u32 q_depth[IEEE80211_NUM_ACS];
0258 u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS];
0259 ssize_t rv;
0260 int ac;
0261
0262 if (!buf)
0263 return -ENOMEM;
0264
0265 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
0266 spin_lock_bh(&local->active_txq_lock[ac]);
0267 q_limit_l[ac] = sta->airtime[ac].aql_limit_low;
0268 q_limit_h[ac] = sta->airtime[ac].aql_limit_high;
0269 spin_unlock_bh(&local->active_txq_lock[ac]);
0270 q_depth[ac] = atomic_read(&sta->airtime[ac].aql_tx_pending);
0271 }
0272
0273 p += scnprintf(p, bufsz + buf - p,
0274 "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n"
0275 "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n",
0276 q_depth[0], q_depth[1], q_depth[2], q_depth[3],
0277 q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1],
0278 q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]);
0279
0280 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0281 kfree(buf);
0282 return rv;
0283 }
0284
0285 static ssize_t sta_aql_write(struct file *file, const char __user *userbuf,
0286 size_t count, loff_t *ppos)
0287 {
0288 struct sta_info *sta = file->private_data;
0289 u32 ac, q_limit_l, q_limit_h;
0290 char _buf[100] = {}, *buf = _buf;
0291
0292 if (count > sizeof(_buf))
0293 return -EINVAL;
0294
0295 if (copy_from_user(buf, userbuf, count))
0296 return -EFAULT;
0297
0298 buf[sizeof(_buf) - 1] = '\0';
0299 if (sscanf(buf, "limit %u %u %u", &ac, &q_limit_l, &q_limit_h)
0300 != 3)
0301 return -EINVAL;
0302
0303 if (ac >= IEEE80211_NUM_ACS)
0304 return -EINVAL;
0305
0306 sta->airtime[ac].aql_limit_low = q_limit_l;
0307 sta->airtime[ac].aql_limit_high = q_limit_h;
0308
0309 return count;
0310 }
0311 STA_OPS_RW(aql);
0312
0313
0314 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
0315 size_t count, loff_t *ppos)
0316 {
0317 char *buf, *p;
0318 ssize_t bufsz = 71 + IEEE80211_NUM_TIDS * 40;
0319 int i;
0320 struct sta_info *sta = file->private_data;
0321 struct tid_ampdu_rx *tid_rx;
0322 struct tid_ampdu_tx *tid_tx;
0323 ssize_t ret;
0324
0325 buf = kzalloc(bufsz, GFP_KERNEL);
0326 if (!buf)
0327 return -ENOMEM;
0328 p = buf;
0329
0330 rcu_read_lock();
0331
0332 p += scnprintf(p, bufsz + buf - p, "next dialog_token: %#02x\n",
0333 sta->ampdu_mlme.dialog_token_allocator + 1);
0334 p += scnprintf(p, bufsz + buf - p,
0335 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
0336
0337 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
0338 bool tid_rx_valid;
0339
0340 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
0341 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
0342 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
0343
0344 p += scnprintf(p, bufsz + buf - p, "%02d", i);
0345 p += scnprintf(p, bufsz + buf - p, "\t\t%x",
0346 tid_rx_valid);
0347 p += scnprintf(p, bufsz + buf - p, "\t%#.2x",
0348 tid_rx_valid ?
0349 sta->ampdu_mlme.tid_rx_token[i] : 0);
0350 p += scnprintf(p, bufsz + buf - p, "\t%#.3x",
0351 tid_rx ? tid_rx->ssn : 0);
0352
0353 p += scnprintf(p, bufsz + buf - p, "\t\t%x", !!tid_tx);
0354 p += scnprintf(p, bufsz + buf - p, "\t%#.2x",
0355 tid_tx ? tid_tx->dialog_token : 0);
0356 p += scnprintf(p, bufsz + buf - p, "\t%03d",
0357 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
0358 p += scnprintf(p, bufsz + buf - p, "\n");
0359 }
0360 rcu_read_unlock();
0361
0362 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0363 kfree(buf);
0364 return ret;
0365 }
0366
0367 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
0368 size_t count, loff_t *ppos)
0369 {
0370 char _buf[25] = {}, *buf = _buf;
0371 struct sta_info *sta = file->private_data;
0372 bool start, tx;
0373 unsigned long tid;
0374 char *pos;
0375 int ret, timeout = 5000;
0376
0377 if (count > sizeof(_buf))
0378 return -EINVAL;
0379
0380 if (copy_from_user(buf, userbuf, count))
0381 return -EFAULT;
0382
0383 buf[sizeof(_buf) - 1] = '\0';
0384 pos = buf;
0385 buf = strsep(&pos, " ");
0386 if (!buf)
0387 return -EINVAL;
0388
0389 if (!strcmp(buf, "tx"))
0390 tx = true;
0391 else if (!strcmp(buf, "rx"))
0392 tx = false;
0393 else
0394 return -EINVAL;
0395
0396 buf = strsep(&pos, " ");
0397 if (!buf)
0398 return -EINVAL;
0399 if (!strcmp(buf, "start")) {
0400 start = true;
0401 if (!tx)
0402 return -EINVAL;
0403 } else if (!strcmp(buf, "stop")) {
0404 start = false;
0405 } else {
0406 return -EINVAL;
0407 }
0408
0409 buf = strsep(&pos, " ");
0410 if (!buf)
0411 return -EINVAL;
0412 if (sscanf(buf, "timeout=%d", &timeout) == 1) {
0413 buf = strsep(&pos, " ");
0414 if (!buf || !tx || !start)
0415 return -EINVAL;
0416 }
0417
0418 ret = kstrtoul(buf, 0, &tid);
0419 if (ret || tid >= IEEE80211_NUM_TIDS)
0420 return -EINVAL;
0421
0422 if (tx) {
0423 if (start)
0424 ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
0425 timeout);
0426 else
0427 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
0428 } else {
0429 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
0430 3, true);
0431 ret = 0;
0432 }
0433
0434 return ret ?: count;
0435 }
0436 STA_OPS_RW(agg_status);
0437
0438 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
0439 size_t count, loff_t *ppos)
0440 {
0441 #define PRINT_HT_CAP(_cond, _str) \
0442 do { \
0443 if (_cond) \
0444 p += scnprintf(p, bufsz + buf - p, "\t" _str "\n"); \
0445 } while (0)
0446 char *buf, *p;
0447 int i;
0448 ssize_t bufsz = 512;
0449 struct sta_info *sta = file->private_data;
0450 struct ieee80211_sta_ht_cap *htc = &sta->sta.deflink.ht_cap;
0451 ssize_t ret;
0452
0453 buf = kzalloc(bufsz, GFP_KERNEL);
0454 if (!buf)
0455 return -ENOMEM;
0456 p = buf;
0457
0458 p += scnprintf(p, bufsz + buf - p, "ht %ssupported\n",
0459 htc->ht_supported ? "" : "not ");
0460 if (htc->ht_supported) {
0461 p += scnprintf(p, bufsz + buf - p, "cap: %#.4x\n", htc->cap);
0462
0463 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
0464 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
0465 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
0466
0467 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
0468 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
0469 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
0470
0471 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
0472 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
0473 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
0474 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
0475
0476 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
0477 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
0478 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
0479 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
0480
0481 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
0482
0483 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
0484 "3839 bytes");
0485 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
0486 "7935 bytes");
0487
0488
0489
0490
0491
0492
0493
0494 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
0495 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
0496
0497
0498
0499 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
0500
0501 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
0502
0503 p += scnprintf(p, bufsz + buf - p, "ampdu factor/density: %d/%d\n",
0504 htc->ampdu_factor, htc->ampdu_density);
0505 p += scnprintf(p, bufsz + buf - p, "MCS mask:");
0506
0507 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
0508 p += scnprintf(p, bufsz + buf - p, " %.2x",
0509 htc->mcs.rx_mask[i]);
0510 p += scnprintf(p, bufsz + buf - p, "\n");
0511
0512
0513 if (le16_to_cpu(htc->mcs.rx_highest)) {
0514 p += scnprintf(p, bufsz + buf - p,
0515 "MCS rx highest: %d Mbps\n",
0516 le16_to_cpu(htc->mcs.rx_highest));
0517 }
0518
0519 p += scnprintf(p, bufsz + buf - p, "MCS tx params: %x\n",
0520 htc->mcs.tx_params);
0521 }
0522
0523 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0524 kfree(buf);
0525 return ret;
0526 }
0527 STA_OPS(ht_capa);
0528
0529 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
0530 size_t count, loff_t *ppos)
0531 {
0532 char *buf, *p;
0533 struct sta_info *sta = file->private_data;
0534 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.deflink.vht_cap;
0535 ssize_t ret;
0536 ssize_t bufsz = 512;
0537
0538 buf = kzalloc(bufsz, GFP_KERNEL);
0539 if (!buf)
0540 return -ENOMEM;
0541 p = buf;
0542
0543 p += scnprintf(p, bufsz + buf - p, "VHT %ssupported\n",
0544 vhtc->vht_supported ? "" : "not ");
0545 if (vhtc->vht_supported) {
0546 p += scnprintf(p, bufsz + buf - p, "cap: %#.8x\n",
0547 vhtc->cap);
0548 #define PFLAG(a, b) \
0549 do { \
0550 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \
0551 p += scnprintf(p, bufsz + buf - p, \
0552 "\t\t%s\n", b); \
0553 } while (0)
0554
0555 switch (vhtc->cap & 0x3) {
0556 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
0557 p += scnprintf(p, bufsz + buf - p,
0558 "\t\tMAX-MPDU-3895\n");
0559 break;
0560 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
0561 p += scnprintf(p, bufsz + buf - p,
0562 "\t\tMAX-MPDU-7991\n");
0563 break;
0564 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
0565 p += scnprintf(p, bufsz + buf - p,
0566 "\t\tMAX-MPDU-11454\n");
0567 break;
0568 default:
0569 p += scnprintf(p, bufsz + buf - p,
0570 "\t\tMAX-MPDU-UNKNOWN\n");
0571 }
0572 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
0573 case 0:
0574 p += scnprintf(p, bufsz + buf - p,
0575 "\t\t80Mhz\n");
0576 break;
0577 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
0578 p += scnprintf(p, bufsz + buf - p,
0579 "\t\t160Mhz\n");
0580 break;
0581 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
0582 p += scnprintf(p, bufsz + buf - p,
0583 "\t\t80+80Mhz\n");
0584 break;
0585 default:
0586 p += scnprintf(p, bufsz + buf - p,
0587 "\t\tUNKNOWN-MHZ: 0x%x\n",
0588 (vhtc->cap >> 2) & 0x3);
0589 }
0590 PFLAG(RXLDPC, "RXLDPC");
0591 PFLAG(SHORT_GI_80, "SHORT-GI-80");
0592 PFLAG(SHORT_GI_160, "SHORT-GI-160");
0593 PFLAG(TXSTBC, "TXSTBC");
0594 p += scnprintf(p, bufsz + buf - p,
0595 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7);
0596 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE");
0597 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE");
0598 p += scnprintf(p, bufsz + buf - p,
0599 "\t\tBEAMFORMEE-STS: 0x%x\n",
0600 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >>
0601 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
0602 p += scnprintf(p, bufsz + buf - p,
0603 "\t\tSOUNDING-DIMENSIONS: 0x%x\n",
0604 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK)
0605 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
0606 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE");
0607 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE");
0608 PFLAG(VHT_TXOP_PS, "TXOP-PS");
0609 PFLAG(HTC_VHT, "HTC-VHT");
0610 p += scnprintf(p, bufsz + buf - p,
0611 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n",
0612 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
0613 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
0614 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB,
0615 "LINK-ADAPTATION-VHT-UNSOL-MFB");
0616 p += scnprintf(p, bufsz + buf - p,
0617 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n",
0618 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26);
0619 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN");
0620 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN");
0621
0622 p += scnprintf(p, bufsz + buf - p, "RX MCS: %.4x\n",
0623 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
0624 if (vhtc->vht_mcs.rx_highest)
0625 p += scnprintf(p, bufsz + buf - p,
0626 "MCS RX highest: %d Mbps\n",
0627 le16_to_cpu(vhtc->vht_mcs.rx_highest));
0628 p += scnprintf(p, bufsz + buf - p, "TX MCS: %.4x\n",
0629 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
0630 if (vhtc->vht_mcs.tx_highest)
0631 p += scnprintf(p, bufsz + buf - p,
0632 "MCS TX highest: %d Mbps\n",
0633 le16_to_cpu(vhtc->vht_mcs.tx_highest));
0634 #undef PFLAG
0635 }
0636
0637 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
0638 kfree(buf);
0639 return ret;
0640 }
0641 STA_OPS(vht_capa);
0642
0643 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
0644 size_t count, loff_t *ppos)
0645 {
0646 char *buf, *p;
0647 size_t buf_sz = PAGE_SIZE;
0648 struct sta_info *sta = file->private_data;
0649 struct ieee80211_sta_he_cap *hec = &sta->sta.deflink.he_cap;
0650 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp;
0651 u8 ppe_size;
0652 u8 *cap;
0653 int i;
0654 ssize_t ret;
0655
0656 buf = kmalloc(buf_sz, GFP_KERNEL);
0657 if (!buf)
0658 return -ENOMEM;
0659 p = buf;
0660
0661 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
0662 hec->has_he ? "" : "not ");
0663 if (!hec->has_he)
0664 goto out;
0665
0666 cap = hec->he_cap_elem.mac_cap_info;
0667 p += scnprintf(p, buf_sz + buf - p,
0668 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
0669 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
0670
0671 #define PRINT(fmt, ...) \
0672 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
0673 ##__VA_ARGS__)
0674
0675 #define PFLAG(t, n, a, b) \
0676 do { \
0677 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \
0678 PRINT("%s", b); \
0679 } while (0)
0680
0681 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \
0682 do { \
0683 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \
0684 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \
0685 PRINT(fmt, (s << idx) + (m * idx)); \
0686 } while (0)
0687
0688 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \
0689 do { \
0690 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
0691 PRINT("%s", b); \
0692 break; \
0693 } \
0694 PFLAG_RANGE(t, i, n, s, m, off, fmt); \
0695 } while (0)
0696
0697 PFLAG(MAC, 0, HTC_HE, "HTC-HE");
0698 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ");
0699 PFLAG(MAC, 0, TWT_RES, "TWT-RES");
0700 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0,
0701 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP");
0702 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0,
0703 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED");
0704
0705 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1,
0706 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED");
0707 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0,
0708 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN");
0709 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
0710 "MULTI-TID-AGG-RX-QOS-%d");
0711
0712 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
0713 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
0714 case 0:
0715 PRINT("LINK-ADAPTATION-NO-FEEDBACK");
0716 break;
0717 case 1:
0718 PRINT("LINK-ADAPTATION-RESERVED");
0719 break;
0720 case 2:
0721 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
0722 break;
0723 case 3:
0724 PRINT("LINK-ADAPTATION-BOTH");
0725 break;
0726 }
0727 }
0728
0729 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
0730 PFLAG(MAC, 2, TRS, "TRS");
0731 PFLAG(MAC, 2, BSR, "BSR");
0732 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT");
0733 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP");
0734 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING");
0735 PFLAG(MAC, 2, ACK_EN, "ACK-EN");
0736
0737 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
0738 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
0739
0740 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
0741 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0:
0742 PRINT("MAX-AMPDU-LEN-EXP-USE-EXT-0");
0743 break;
0744 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1:
0745 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-1");
0746 break;
0747 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2:
0748 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-2");
0749 break;
0750 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3:
0751 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-3");
0752 break;
0753 }
0754
0755 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
0756 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
0757 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
0758
0759 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG");
0760 PFLAG(MAC, 4, QTP, "QTP");
0761 PFLAG(MAC, 4, BQR, "BQR");
0762 PFLAG(MAC, 4, PSR_RESP, "PSR-RESP");
0763 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP");
0764 PFLAG(MAC, 4, OPS, "OPS");
0765 PFLAG(MAC, 4, AMSDU_IN_AMPDU, "AMSDU-IN-AMPDU");
0766
0767 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
0768
0769 PFLAG(MAC, 5, SUBCHAN_SELECTIVE_TRANSMISSION,
0770 "SUBCHAN-SELECTIVE-TRANSMISSION");
0771 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
0772 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
0773 PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS");
0774 PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING");
0775 PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX");
0776
0777 cap = hec->he_cap_elem.phy_cap_info;
0778 p += scnprintf(p, buf_sz + buf - p,
0779 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
0780 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
0781 cap[7], cap[8], cap[9], cap[10]);
0782
0783 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G,
0784 "CHANNEL-WIDTH-SET-40MHZ-IN-2G");
0785 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G,
0786 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G");
0787 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G,
0788 "CHANNEL-WIDTH-SET-160MHZ-IN-5G");
0789 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
0790 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G");
0791 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G,
0792 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G");
0793 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G,
0794 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G");
0795
0796 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) {
0797 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ:
0798 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ");
0799 break;
0800 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
0801 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
0802 break;
0803 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
0804 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
0805 break;
0806 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
0807 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
0808 break;
0809 }
0810
0811 PFLAG(PHY, 1, DEVICE_CLASS_A,
0812 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A");
0813 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD,
0814 "LDPC-CODING-IN-PAYLOAD");
0815 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US,
0816 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US");
0817 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3);
0818
0819 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US");
0820 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ");
0821 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ");
0822 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX");
0823 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX");
0824 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO");
0825 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO");
0826
0827 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) {
0828 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM:
0829 PRINT("DCM-MAX-CONST-TX-NO-DCM");
0830 break;
0831 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
0832 PRINT("DCM-MAX-CONST-TX-BPSK");
0833 break;
0834 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
0835 PRINT("DCM-MAX-CONST-TX-QPSK");
0836 break;
0837 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
0838 PRINT("DCM-MAX-CONST-TX-16-QAM");
0839 break;
0840 }
0841
0842 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1");
0843 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2");
0844
0845 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) {
0846 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM:
0847 PRINT("DCM-MAX-CONST-RX-NO-DCM");
0848 break;
0849 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
0850 PRINT("DCM-MAX-CONST-RX-BPSK");
0851 break;
0852 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
0853 PRINT("DCM-MAX-CONST-RX-QPSK");
0854 break;
0855 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
0856 PRINT("DCM-MAX-CONST-RX-16-QAM");
0857 break;
0858 }
0859
0860 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1");
0861 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2");
0862 PFLAG(PHY, 3, RX_PARTIAL_BW_SU_IN_20MHZ_MU,
0863 "RX-PARTIAL-BW-SU-IN-20MHZ-MU");
0864 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER");
0865
0866 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
0867 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
0868
0869 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4,
0870 "BEAMFORMEE-MAX-STS-UNDER-%d");
0871 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4,
0872 "BEAMFORMEE-MAX-STS-ABOVE-%d");
0873
0874 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1,
0875 "NUM-SND-DIM-UNDER-80MHZ-%d");
0876 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1,
0877 "NUM-SND-DIM-ABOVE-80MHZ-%d");
0878 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK");
0879 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK");
0880
0881 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU");
0882 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU");
0883 PFLAG(PHY, 6, TRIG_SU_BEAMFORMING_FB, "TRIG-SU-BEAMFORMING-FB");
0884 PFLAG(PHY, 6, TRIG_MU_BEAMFORMING_PARTIAL_BW_FB,
0885 "MU-BEAMFORMING-PARTIAL-BW-FB");
0886 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB");
0887 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE");
0888 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO,
0889 "PARTIAL-BANDWIDTH-DL-MUMIMO");
0890 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT");
0891
0892 PFLAG(PHY, 7, PSR_BASED_SR, "PSR-BASED-SR");
0893 PFLAG(PHY, 7, POWER_BOOST_FACTOR_SUPP, "POWER-BOOST-FACTOR-SUPP");
0894 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI,
0895 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI");
0896 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d");
0897 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ");
0898 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ");
0899
0900 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI,
0901 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI");
0902 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G,
0903 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G");
0904 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU");
0905 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU");
0906 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI,
0907 "HE-ER-SU-1XLTF-AND-08-US-GI");
0908 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
0909 "MIDAMBLE-RX-TX-2X-AND-1XLTF");
0910
0911 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) {
0912 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242:
0913 PRINT("DCM-MAX-RU-242");
0914 break;
0915 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484:
0916 PRINT("DCM-MAX-RU-484");
0917 break;
0918 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996:
0919 PRINT("DCM-MAX-RU-996");
0920 break;
0921 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996:
0922 PRINT("DCM-MAX-RU-2x996");
0923 break;
0924 }
0925
0926 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM,
0927 "LONGER-THAN-16-SIGB-OFDM-SYM");
0928 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK,
0929 "NON-TRIGGERED-CQI-FEEDBACK");
0930 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU,
0931 "TX-1024-QAM-LESS-THAN-242-TONE-RU");
0932 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU,
0933 "RX-1024-QAM-LESS-THAN-242-TONE-RU");
0934 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB,
0935 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB");
0936 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
0937 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
0938
0939 switch (u8_get_bits(cap[9],
0940 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK)) {
0941 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US:
0942 PRINT("NOMINAL-PACKET-PADDING-0US");
0943 break;
0944 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US:
0945 PRINT("NOMINAL-PACKET-PADDING-8US");
0946 break;
0947 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US:
0948 PRINT("NOMINAL-PACKET-PADDING-16US");
0949 break;
0950 }
0951
0952 #undef PFLAG_RANGE_DEFAULT
0953 #undef PFLAG_RANGE
0954 #undef PFLAG
0955
0956 #define PRINT_NSS_SUPP(f, n) \
0957 do { \
0958 int _i; \
0959 u16 v = le16_to_cpu(nss->f); \
0960 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \
0961 for (_i = 0; _i < 8; _i += 2) { \
0962 switch ((v >> _i) & 0x3) { \
0963 case 0: \
0964 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \
0965 break; \
0966 case 1: \
0967 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \
0968 break; \
0969 case 2: \
0970 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \
0971 break; \
0972 case 3: \
0973 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \
0974 break; \
0975 } \
0976 } \
0977 } while (0)
0978
0979 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
0980 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
0981
0982 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
0983 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160");
0984 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160");
0985 }
0986
0987 if (cap[0] &
0988 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
0989 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80");
0990 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80");
0991 }
0992
0993 #undef PRINT_NSS_SUPP
0994 #undef PRINT
0995
0996 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
0997 goto out;
0998
0999 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
1000 hec->ppe_thres[0]);
1001
1002 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap);
1003 for (i = 1; i < ppe_size; i++) {
1004 p += scnprintf(p, buf_sz + buf - p, " %#.2x",
1005 hec->ppe_thres[i]);
1006 }
1007 p += scnprintf(p, buf_sz + buf - p, "\n");
1008
1009 out:
1010 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
1011 kfree(buf);
1012 return ret;
1013 }
1014 STA_OPS(he_capa);
1015
1016 #define DEBUGFS_ADD(name) \
1017 debugfs_create_file(#name, 0400, \
1018 sta->debugfs_dir, sta, &sta_ ##name## _ops)
1019
1020 #define DEBUGFS_ADD_COUNTER(name, field) \
1021 debugfs_create_ulong(#name, 0400, sta->debugfs_dir, &sta->field);
1022
1023 void ieee80211_sta_debugfs_add(struct sta_info *sta)
1024 {
1025 struct ieee80211_local *local = sta->local;
1026 struct ieee80211_sub_if_data *sdata = sta->sdata;
1027 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
1028 u8 mac[3*ETH_ALEN];
1029
1030 if (!stations_dir)
1031 return;
1032
1033 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
1045
1046 DEBUGFS_ADD(flags);
1047 DEBUGFS_ADD(aid);
1048 DEBUGFS_ADD(num_ps_buf_frames);
1049 DEBUGFS_ADD(last_seq_ctrl);
1050 DEBUGFS_ADD(agg_status);
1051 DEBUGFS_ADD(ht_capa);
1052 DEBUGFS_ADD(vht_capa);
1053 DEBUGFS_ADD(he_capa);
1054
1055 DEBUGFS_ADD_COUNTER(rx_duplicates, deflink.rx_stats.num_duplicates);
1056 DEBUGFS_ADD_COUNTER(rx_fragments, deflink.rx_stats.fragments);
1057 DEBUGFS_ADD_COUNTER(tx_filtered, deflink.status_stats.filtered);
1058
1059 if (local->ops->wake_tx_queue) {
1060 DEBUGFS_ADD(aqm);
1061 DEBUGFS_ADD(airtime);
1062 }
1063
1064 if (wiphy_ext_feature_isset(local->hw.wiphy,
1065 NL80211_EXT_FEATURE_AQL))
1066 DEBUGFS_ADD(aql);
1067
1068 debugfs_create_xul("driver_buffered_tids", 0400, sta->debugfs_dir,
1069 &sta->driver_buffered_tids);
1070
1071 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
1072 }
1073
1074 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
1075 {
1076 debugfs_remove_recursive(sta->debugfs_dir);
1077 sta->debugfs_dir = NULL;
1078 }
