1 /* 2 * Copyright 2003-2005 Devicescape Software, Inc. 3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> 4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 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 #define STA_READ_U(name, field) STA_READ(name, field, "%u\n") 32 #define STA_READ_S(name, field) STA_READ(name, field, "%s\n") 33 34 #define STA_OPS(name) \ 35 static const struct file_operations sta_ ##name## _ops = { \ 36 .read = sta_##name##_read, \ 37 .open = simple_open, \ 38 .llseek = generic_file_llseek, \ 39 } 40 41 #define STA_OPS_W(name) \ 42 static const struct file_operations sta_ ##name## _ops = { \ 43 .write = sta_##name##_write, \ 44 .open = simple_open, \ 45 .llseek = generic_file_llseek, \ 46 } 47 48 #define STA_OPS_RW(name) \ 49 static const struct file_operations sta_ ##name## _ops = { \ 50 .read = sta_##name##_read, \ 51 .write = sta_##name##_write, \ 52 .open = simple_open, \ 53 .llseek = generic_file_llseek, \ 54 } 55 56 #define STA_FILE(name, field, format) \ 57 STA_READ_##format(name, field) \ 58 STA_OPS(name) 59 60 STA_FILE(aid, sta.aid, D); 61 STA_FILE(dev, sdata->name, S); 62 STA_FILE(last_signal, last_signal, D); 63 STA_FILE(last_ack_signal, last_ack_signal, D); 64 STA_FILE(beacon_loss_count, beacon_loss_count, D); 65 66 static ssize_t sta_flags_read(struct file *file, char __user *userbuf, 67 size_t count, loff_t *ppos) 68 { 69 char buf[121]; 70 struct sta_info *sta = file->private_data; 71 72 #define TEST(flg) \ 73 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" 74 75 int res = scnprintf(buf, sizeof(buf), 76 "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", 77 TEST(AUTH), TEST(ASSOC), TEST(PS_STA), 78 TEST(PS_DRIVER), TEST(AUTHORIZED), 79 TEST(SHORT_PREAMBLE), 80 TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), 81 TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), 82 TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), 83 TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT), 84 TEST(INSERTED), TEST(RATE_CONTROL), 85 TEST(TOFFSET_KNOWN), TEST(MPSP_OWNER), 86 TEST(MPSP_RECIPIENT)); 87 #undef TEST 88 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 89 } 90 STA_OPS(flags); 91 92 static ssize_t sta_num_ps_buf_frames_read(struct file *file, 93 char __user *userbuf, 94 size_t count, loff_t *ppos) 95 { 96 struct sta_info *sta = file->private_data; 97 char buf[17*IEEE80211_NUM_ACS], *p = buf; 98 int ac; 99 100 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 101 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, 102 skb_queue_len(&sta->ps_tx_buf[ac]) + 103 skb_queue_len(&sta->tx_filtered[ac])); 104 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 105 } 106 STA_OPS(num_ps_buf_frames); 107 108 static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf, 109 size_t count, loff_t *ppos) 110 { 111 struct sta_info *sta = file->private_data; 112 return mac80211_format_buffer(userbuf, count, ppos, "%d\n", 113 jiffies_to_msecs(jiffies - sta->last_rx)); 114 } 115 STA_OPS(inactive_ms); 116 117 118 static ssize_t sta_connected_time_read(struct file *file, char __user *userbuf, 119 size_t count, loff_t *ppos) 120 { 121 struct sta_info *sta = file->private_data; 122 struct timespec uptime; 123 struct tm result; 124 long connected_time_secs; 125 char buf[100]; 126 int res; 127 do_posix_clock_monotonic_gettime(&uptime); 128 connected_time_secs = uptime.tv_sec - sta->last_connected; 129 time_to_tm(connected_time_secs, 0, &result); 130 result.tm_year -= 70; 131 result.tm_mday -= 1; 132 res = scnprintf(buf, sizeof(buf), 133 "years - %ld\nmonths - %d\ndays - %d\nclock - %d:%d:%d\n\n", 134 result.tm_year, result.tm_mon, result.tm_mday, 135 result.tm_hour, result.tm_min, result.tm_sec); 136 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 137 } 138 STA_OPS(connected_time); 139 140 141 142 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, 143 size_t count, loff_t *ppos) 144 { 145 char buf[15*IEEE80211_NUM_TIDS], *p = buf; 146 int i; 147 struct sta_info *sta = file->private_data; 148 for (i = 0; i < IEEE80211_NUM_TIDS; i++) 149 p += scnprintf(p, sizeof(buf)+buf-p, "%x ", 150 le16_to_cpu(sta->last_seq_ctrl[i])); 151 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 152 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 153 } 154 STA_OPS(last_seq_ctrl); 155 156 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, 157 size_t count, loff_t *ppos) 158 { 159 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; 160 int i; 161 struct sta_info *sta = file->private_data; 162 struct tid_ampdu_rx *tid_rx; 163 struct tid_ampdu_tx *tid_tx; 164 165 rcu_read_lock(); 166 167 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", 168 sta->ampdu_mlme.dialog_token_allocator + 1); 169 p += scnprintf(p, sizeof(buf) + buf - p, 170 "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); 171 172 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 173 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); 174 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); 175 176 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); 177 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_rx); 178 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 179 tid_rx ? tid_rx->dialog_token : 0); 180 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", 181 tid_rx ? tid_rx->ssn : 0); 182 183 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); 184 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", 185 tid_tx ? tid_tx->dialog_token : 0); 186 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", 187 tid_tx ? skb_queue_len(&tid_tx->pending) : 0); 188 p += scnprintf(p, sizeof(buf) + buf - p, "\n"); 189 } 190 rcu_read_unlock(); 191 192 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 193 } 194 195 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, 196 size_t count, loff_t *ppos) 197 { 198 char _buf[12] = {}, *buf = _buf; 199 struct sta_info *sta = file->private_data; 200 bool start, tx; 201 unsigned long tid; 202 int ret; 203 204 if (count > sizeof(_buf)) 205 return -EINVAL; 206 207 if (copy_from_user(buf, userbuf, count)) 208 return -EFAULT; 209 210 buf[sizeof(_buf) - 1] = '\0'; 211 212 if (strncmp(buf, "tx ", 3) == 0) { 213 buf += 3; 214 tx = true; 215 } else if (strncmp(buf, "rx ", 3) == 0) { 216 buf += 3; 217 tx = false; 218 } else 219 return -EINVAL; 220 221 if (strncmp(buf, "start ", 6) == 0) { 222 buf += 6; 223 start = true; 224 if (!tx) 225 return -EINVAL; 226 } else if (strncmp(buf, "stop ", 5) == 0) { 227 buf += 5; 228 start = false; 229 } else 230 return -EINVAL; 231 232 ret = kstrtoul(buf, 0, &tid); 233 if (ret) 234 return ret; 235 236 if (tid >= IEEE80211_NUM_TIDS) 237 return -EINVAL; 238 239 if (tx) { 240 if (start) 241 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 5000); 242 else 243 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); 244 } else { 245 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 246 3, true); 247 ret = 0; 248 } 249 250 return ret ?: count; 251 } 252 STA_OPS_RW(agg_status); 253 254 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, 255 size_t count, loff_t *ppos) 256 { 257 #define PRINT_HT_CAP(_cond, _str) \ 258 do { \ 259 if (_cond) \ 260 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ 261 } while (0) 262 char buf[512], *p = buf; 263 int i; 264 struct sta_info *sta = file->private_data; 265 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; 266 267 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", 268 htc->ht_supported ? "" : "not "); 269 if (htc->ht_supported) { 270 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); 271 272 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); 273 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); 274 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); 275 276 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); 277 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); 278 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); 279 280 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); 281 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); 282 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); 283 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); 284 285 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); 286 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); 287 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); 288 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); 289 290 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); 291 292 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " 293 "3839 bytes"); 294 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " 295 "7935 bytes"); 296 297 /* 298 * For beacons and probe response this would mean the BSS 299 * does or does not allow the usage of DSSS/CCK HT40. 300 * Otherwise it means the STA does or does not use 301 * DSSS/CCK HT40. 302 */ 303 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); 304 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); 305 306 /* BIT(13) is reserved */ 307 308 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); 309 310 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); 311 312 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", 313 htc->ampdu_factor, htc->ampdu_density); 314 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); 315 316 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) 317 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", 318 htc->mcs.rx_mask[i]); 319 p += scnprintf(p, sizeof(buf)+buf-p, "\n"); 320 321 /* If not set this is meaningless */ 322 if (le16_to_cpu(htc->mcs.rx_highest)) { 323 p += scnprintf(p, sizeof(buf)+buf-p, 324 "MCS rx highest: %d Mbps\n", 325 le16_to_cpu(htc->mcs.rx_highest)); 326 } 327 328 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", 329 htc->mcs.tx_params); 330 } 331 332 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 333 } 334 STA_OPS(ht_capa); 335 336 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, 337 size_t count, loff_t *ppos) 338 { 339 char buf[128], *p = buf; 340 struct sta_info *sta = file->private_data; 341 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; 342 343 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", 344 vhtc->vht_supported ? "" : "not "); 345 if (vhtc->vht_supported) { 346 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.8x\n", vhtc->cap); 347 348 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", 349 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); 350 if (vhtc->vht_mcs.rx_highest) 351 p += scnprintf(p, sizeof(buf)+buf-p, 352 "MCS RX highest: %d Mbps\n", 353 le16_to_cpu(vhtc->vht_mcs.rx_highest)); 354 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", 355 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); 356 if (vhtc->vht_mcs.tx_highest) 357 p += scnprintf(p, sizeof(buf)+buf-p, 358 "MCS TX highest: %d Mbps\n", 359 le16_to_cpu(vhtc->vht_mcs.tx_highest)); 360 } 361 362 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); 363 } 364 STA_OPS(vht_capa); 365 366 static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf, 367 size_t count, loff_t *ppos) 368 { 369 struct sta_info *sta = file->private_data; 370 struct rate_info rinfo; 371 u16 rate; 372 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &rinfo); 373 rate = cfg80211_calculate_bitrate(&rinfo); 374 375 return mac80211_format_buffer(userbuf, count, ppos, 376 "%d.%d MBit/s\n", 377 rate/10, rate%10); 378 } 379 STA_OPS(current_tx_rate); 380 381 static ssize_t sta_last_rx_rate_read(struct file *file, char __user *userbuf, 382 size_t count, loff_t *ppos) 383 { 384 struct sta_info *sta = file->private_data; 385 struct rate_info rinfo; 386 u16 rate; 387 388 sta_set_rate_info_rx(sta, &rinfo); 389 390 rate = cfg80211_calculate_bitrate(&rinfo); 391 392 return mac80211_format_buffer(userbuf, count, ppos, 393 "%d.%d MBit/s\n", 394 rate/10, rate%10); 395 } 396 STA_OPS(last_rx_rate); 397 398 static int 399 sta_tx_latency_stat_header(struct ieee80211_tx_latency_bin_ranges *tx_latency, 400 char *buf, int pos, int bufsz) 401 { 402 int i; 403 int range_count = tx_latency->n_ranges; 404 u32 *bin_ranges = tx_latency->ranges; 405 406 pos += scnprintf(buf + pos, bufsz - pos, 407 "Station\t\t\tTID\tMax\tAvg"); 408 if (range_count) { 409 pos += scnprintf(buf + pos, bufsz - pos, 410 "\t<=%d", bin_ranges[0]); 411 for (i = 0; i < range_count - 1; i++) 412 pos += scnprintf(buf + pos, bufsz - pos, "\t%d-%d", 413 bin_ranges[i], bin_ranges[i+1]); 414 pos += scnprintf(buf + pos, bufsz - pos, 415 "\t%d<", bin_ranges[range_count - 1]); 416 } 417 418 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 419 420 return pos; 421 } 422 423 static int 424 sta_tx_latency_stat_table(struct ieee80211_tx_latency_bin_ranges *tx_lat_range, 425 struct ieee80211_tx_latency_stat *tx_lat, 426 char *buf, int pos, int bufsz, int tid) 427 { 428 u32 avg = 0; 429 int j; 430 int bin_count = tx_lat->bin_count; 431 432 pos += scnprintf(buf + pos, bufsz - pos, "\t\t\t%d", tid); 433 /* make sure you don't divide in 0 */ 434 if (tx_lat->counter) 435 avg = tx_lat->sum / tx_lat->counter; 436 437 pos += scnprintf(buf + pos, bufsz - pos, "\t%d\t%d", 438 tx_lat->max, avg); 439 440 if (tx_lat_range->n_ranges && tx_lat->bins) 441 for (j = 0; j < bin_count; j++) 442 pos += scnprintf(buf + pos, bufsz - pos, 443 "\t%d", tx_lat->bins[j]); 444 pos += scnprintf(buf + pos, bufsz - pos, "\n"); 445 446 return pos; 447 } 448 449 /* 450 * Output Tx latency statistics station && restart all statistics information 451 */ 452 static ssize_t sta_tx_latency_stat_read(struct file *file, 453 char __user *userbuf, 454 size_t count, loff_t *ppos) 455 { 456 struct sta_info *sta = file->private_data; 457 struct ieee80211_local *local = sta->local; 458 struct ieee80211_tx_latency_bin_ranges *tx_latency; 459 char *buf; 460 int bufsz, ret, i; 461 int pos = 0; 462 463 bufsz = 20 * IEEE80211_NUM_TIDS * 464 sizeof(struct ieee80211_tx_latency_stat); 465 buf = kzalloc(bufsz, GFP_KERNEL); 466 if (!buf) 467 return -ENOMEM; 468 469 rcu_read_lock(); 470 471 tx_latency = rcu_dereference(local->tx_latency); 472 473 if (!sta->tx_lat) { 474 pos += scnprintf(buf + pos, bufsz - pos, 475 "Tx latency statistics are not enabled\n"); 476 goto unlock; 477 } 478 479 pos = sta_tx_latency_stat_header(tx_latency, buf, pos, bufsz); 480 481 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", sta->sta.addr); 482 for (i = 0; i < IEEE80211_NUM_TIDS; i++) 483 pos = sta_tx_latency_stat_table(tx_latency, &sta->tx_lat[i], 484 buf, pos, bufsz, i); 485 unlock: 486 rcu_read_unlock(); 487 488 ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); 489 kfree(buf); 490 491 return ret; 492 } 493 STA_OPS(tx_latency_stat); 494 495 static ssize_t sta_tx_latency_stat_reset_write(struct file *file, 496 const char __user *userbuf, 497 size_t count, loff_t *ppos) 498 { 499 u32 *bins; 500 int bin_count; 501 struct sta_info *sta = file->private_data; 502 int i; 503 504 if (!sta->tx_lat) 505 return -EINVAL; 506 507 for (i = 0; i < IEEE80211_NUM_TIDS; i++) { 508 bins = sta->tx_lat[i].bins; 509 bin_count = sta->tx_lat[i].bin_count; 510 511 sta->tx_lat[i].max = 0; 512 sta->tx_lat[i].sum = 0; 513 sta->tx_lat[i].counter = 0; 514 515 if (bin_count) 516 memset(bins, 0, bin_count * sizeof(u32)); 517 } 518 519 return count; 520 } 521 STA_OPS_W(tx_latency_stat_reset); 522 523 #define DEBUGFS_ADD(name) \ 524 debugfs_create_file(#name, 0400, \ 525 sta->debugfs.dir, sta, &sta_ ##name## _ops); 526 527 #define DEBUGFS_ADD_COUNTER(name, field) \ 528 if (sizeof(sta->field) == sizeof(u32)) \ 529 debugfs_create_u32(#name, 0400, sta->debugfs.dir, \ 530 (u32 *) &sta->field); \ 531 else \ 532 debugfs_create_u64(#name, 0400, sta->debugfs.dir, \ 533 (u64 *) &sta->field); 534 535 void ieee80211_sta_debugfs_add(struct sta_info *sta) 536 { 537 struct ieee80211_local *local = sta->local; 538 struct ieee80211_sub_if_data *sdata = sta->sdata; 539 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; 540 u8 mac[3*ETH_ALEN]; 541 542 sta->debugfs.add_has_run = true; 543 544 if (!stations_dir) 545 return; 546 547 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); 548 549 /* 550 * This might fail due to a race condition: 551 * When mac80211 unlinks a station, the debugfs entries 552 * remain, but it is already possible to link a new 553 * station with the same address which triggers adding 554 * it to debugfs; therefore, if the old station isn't 555 * destroyed quickly enough the old station's debugfs 556 * dir might still be around. 557 */ 558 sta->debugfs.dir = debugfs_create_dir(mac, stations_dir); 559 if (!sta->debugfs.dir) 560 return; 561 562 DEBUGFS_ADD(flags); 563 DEBUGFS_ADD(num_ps_buf_frames); 564 DEBUGFS_ADD(inactive_ms); 565 DEBUGFS_ADD(connected_time); 566 DEBUGFS_ADD(last_seq_ctrl); 567 DEBUGFS_ADD(agg_status); 568 DEBUGFS_ADD(dev); 569 DEBUGFS_ADD(last_signal); 570 DEBUGFS_ADD(beacon_loss_count); 571 DEBUGFS_ADD(ht_capa); 572 DEBUGFS_ADD(vht_capa); 573 DEBUGFS_ADD(last_ack_signal); 574 DEBUGFS_ADD(current_tx_rate); 575 DEBUGFS_ADD(last_rx_rate); 576 DEBUGFS_ADD(tx_latency_stat); 577 DEBUGFS_ADD(tx_latency_stat_reset); 578 579 DEBUGFS_ADD_COUNTER(rx_packets, rx_packets); 580 DEBUGFS_ADD_COUNTER(tx_packets, tx_packets); 581 DEBUGFS_ADD_COUNTER(rx_bytes, rx_bytes); 582 DEBUGFS_ADD_COUNTER(tx_bytes, tx_bytes); 583 DEBUGFS_ADD_COUNTER(rx_duplicates, num_duplicates); 584 DEBUGFS_ADD_COUNTER(rx_fragments, rx_fragments); 585 DEBUGFS_ADD_COUNTER(rx_dropped, rx_dropped); 586 DEBUGFS_ADD_COUNTER(tx_fragments, tx_fragments); 587 DEBUGFS_ADD_COUNTER(tx_filtered, tx_filtered_count); 588 DEBUGFS_ADD_COUNTER(tx_retry_failed, tx_retry_failed); 589 DEBUGFS_ADD_COUNTER(tx_retry_count, tx_retry_count); 590 DEBUGFS_ADD_COUNTER(wep_weak_iv_count, wep_weak_iv_count); 591 592 if (sizeof(sta->driver_buffered_tids) == sizeof(u32)) 593 debugfs_create_x32("driver_buffered_tids", 0400, 594 sta->debugfs.dir, 595 (u32 *)&sta->driver_buffered_tids); 596 else 597 debugfs_create_x64("driver_buffered_tids", 0400, 598 sta->debugfs.dir, 599 (u64 *)&sta->driver_buffered_tids); 600 601 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs.dir); 602 } 603 604 void ieee80211_sta_debugfs_remove(struct sta_info *sta) 605 { 606 struct ieee80211_local *local = sta->local; 607 struct ieee80211_sub_if_data *sdata = sta->sdata; 608 609 drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs.dir); 610 debugfs_remove_recursive(sta->debugfs.dir); 611 sta->debugfs.dir = NULL; 612 } 613