1 /* 2 * Copyright (c) 2014-2017 Qualcomm Atheros, Inc. 3 * Copyright (c) 2018, The Linux Foundation. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include "core.h" 19 #include "wmi-ops.h" 20 #include "txrx.h" 21 #include "debug.h" 22 23 static void ath10k_rx_stats_update_amsdu_subfrm(struct ath10k *ar, 24 struct ath10k_sta_tid_stats *stats, 25 u32 msdu_count) 26 { 27 if (msdu_count == 1) 28 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_1]++; 29 else if (msdu_count == 2) 30 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_2]++; 31 else if (msdu_count == 3) 32 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_3]++; 33 else if (msdu_count == 4) 34 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_4]++; 35 else if (msdu_count > 4) 36 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MORE]++; 37 } 38 39 static void ath10k_rx_stats_update_ampdu_subfrm(struct ath10k *ar, 40 struct ath10k_sta_tid_stats *stats, 41 u32 mpdu_count) 42 { 43 if (mpdu_count <= 10) 44 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_10]++; 45 else if (mpdu_count <= 20) 46 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_20]++; 47 else if (mpdu_count <= 30) 48 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_30]++; 49 else if (mpdu_count <= 40) 50 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_40]++; 51 else if (mpdu_count <= 50) 52 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_50]++; 53 else if (mpdu_count <= 60) 54 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_60]++; 55 else if (mpdu_count > 60) 56 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_MORE]++; 57 } 58 59 void ath10k_sta_update_rx_tid_stats_ampdu(struct ath10k *ar, u16 peer_id, u8 tid, 60 struct htt_rx_indication_mpdu_range *ranges, 61 int num_ranges) 62 { 63 struct ath10k_sta *arsta; 64 struct ath10k_peer *peer; 65 int i; 66 67 if (tid > IEEE80211_NUM_TIDS || !(ar->sta_tid_stats_mask & BIT(tid))) 68 return; 69 70 rcu_read_lock(); 71 spin_lock_bh(&ar->data_lock); 72 73 peer = ath10k_peer_find_by_id(ar, peer_id); 74 if (!peer) 75 goto out; 76 77 arsta = (struct ath10k_sta *)peer->sta->drv_priv; 78 79 for (i = 0; i < num_ranges; i++) 80 ath10k_rx_stats_update_ampdu_subfrm(ar, 81 &arsta->tid_stats[tid], 82 ranges[i].mpdu_count); 83 84 out: 85 spin_unlock_bh(&ar->data_lock); 86 rcu_read_unlock(); 87 } 88 89 void ath10k_sta_update_rx_tid_stats(struct ath10k *ar, u8 *first_hdr, 90 unsigned long int num_msdus, 91 enum ath10k_pkt_rx_err err, 92 unsigned long int unchain_cnt, 93 unsigned long int drop_cnt, 94 unsigned long int drop_cnt_filter, 95 unsigned long int queued_msdus) 96 { 97 struct ieee80211_sta *sta; 98 struct ath10k_sta *arsta; 99 struct ieee80211_hdr *hdr; 100 struct ath10k_sta_tid_stats *stats; 101 u8 tid = IEEE80211_NUM_TIDS; 102 bool non_data_frm = false; 103 104 hdr = (struct ieee80211_hdr *)first_hdr; 105 if (!ieee80211_is_data(hdr->frame_control)) 106 non_data_frm = true; 107 108 if (ieee80211_is_data_qos(hdr->frame_control)) 109 tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; 110 111 if (!(ar->sta_tid_stats_mask & BIT(tid)) || non_data_frm) 112 return; 113 114 rcu_read_lock(); 115 116 sta = ieee80211_find_sta_by_ifaddr(ar->hw, hdr->addr2, NULL); 117 if (!sta) 118 goto exit; 119 120 arsta = (struct ath10k_sta *)sta->drv_priv; 121 122 spin_lock_bh(&ar->data_lock); 123 stats = &arsta->tid_stats[tid]; 124 stats->rx_pkt_from_fw += num_msdus; 125 stats->rx_pkt_unchained += unchain_cnt; 126 stats->rx_pkt_drop_chained += drop_cnt; 127 stats->rx_pkt_drop_filter += drop_cnt_filter; 128 if (err != ATH10K_PKT_RX_ERR_MAX) 129 stats->rx_pkt_err[err] += queued_msdus; 130 stats->rx_pkt_queued_for_mac += queued_msdus; 131 ath10k_rx_stats_update_amsdu_subfrm(ar, &arsta->tid_stats[tid], 132 num_msdus); 133 spin_unlock_bh(&ar->data_lock); 134 135 exit: 136 rcu_read_unlock(); 137 } 138 139 static void ath10k_sta_update_extd_stats_rx_duration(struct ath10k *ar, 140 struct ath10k_fw_stats *stats) 141 { 142 struct ath10k_fw_extd_stats_peer *peer; 143 struct ieee80211_sta *sta; 144 struct ath10k_sta *arsta; 145 146 rcu_read_lock(); 147 list_for_each_entry(peer, &stats->peers_extd, list) { 148 sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr, 149 NULL); 150 if (!sta) 151 continue; 152 arsta = (struct ath10k_sta *)sta->drv_priv; 153 arsta->rx_duration += (u64)peer->rx_duration; 154 } 155 rcu_read_unlock(); 156 } 157 158 static void ath10k_sta_update_stats_rx_duration(struct ath10k *ar, 159 struct ath10k_fw_stats *stats) 160 { 161 struct ath10k_fw_stats_peer *peer; 162 struct ieee80211_sta *sta; 163 struct ath10k_sta *arsta; 164 165 rcu_read_lock(); 166 list_for_each_entry(peer, &stats->peers, list) { 167 sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr, 168 NULL); 169 if (!sta) 170 continue; 171 arsta = (struct ath10k_sta *)sta->drv_priv; 172 arsta->rx_duration += (u64)peer->rx_duration; 173 } 174 rcu_read_unlock(); 175 } 176 177 void ath10k_sta_update_rx_duration(struct ath10k *ar, 178 struct ath10k_fw_stats *stats) 179 { 180 if (stats->extended) 181 ath10k_sta_update_extd_stats_rx_duration(ar, stats); 182 else 183 ath10k_sta_update_stats_rx_duration(ar, stats); 184 } 185 186 static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file, 187 char __user *user_buf, 188 size_t count, loff_t *ppos) 189 { 190 struct ieee80211_sta *sta = file->private_data; 191 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 192 struct ath10k *ar = arsta->arvif->ar; 193 char buf[32]; 194 int len = 0; 195 196 mutex_lock(&ar->conf_mutex); 197 len = scnprintf(buf, sizeof(buf) - len, "aggregation mode: %s\n", 198 (arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ? 199 "auto" : "manual"); 200 mutex_unlock(&ar->conf_mutex); 201 202 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 203 } 204 205 static ssize_t ath10k_dbg_sta_write_aggr_mode(struct file *file, 206 const char __user *user_buf, 207 size_t count, loff_t *ppos) 208 { 209 struct ieee80211_sta *sta = file->private_data; 210 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 211 struct ath10k *ar = arsta->arvif->ar; 212 u32 aggr_mode; 213 int ret; 214 215 if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode)) 216 return -EINVAL; 217 218 if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX) 219 return -EINVAL; 220 221 mutex_lock(&ar->conf_mutex); 222 if ((ar->state != ATH10K_STATE_ON) || 223 (aggr_mode == arsta->aggr_mode)) { 224 ret = count; 225 goto out; 226 } 227 228 ret = ath10k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr); 229 if (ret) { 230 ath10k_warn(ar, "failed to clear addba session ret: %d\n", ret); 231 goto out; 232 } 233 234 arsta->aggr_mode = aggr_mode; 235 out: 236 mutex_unlock(&ar->conf_mutex); 237 return ret; 238 } 239 240 static const struct file_operations fops_aggr_mode = { 241 .read = ath10k_dbg_sta_read_aggr_mode, 242 .write = ath10k_dbg_sta_write_aggr_mode, 243 .open = simple_open, 244 .owner = THIS_MODULE, 245 .llseek = default_llseek, 246 }; 247 248 static ssize_t ath10k_dbg_sta_write_addba(struct file *file, 249 const char __user *user_buf, 250 size_t count, loff_t *ppos) 251 { 252 struct ieee80211_sta *sta = file->private_data; 253 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 254 struct ath10k *ar = arsta->arvif->ar; 255 u32 tid, buf_size; 256 int ret; 257 char buf[64] = {0}; 258 259 ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, 260 user_buf, count); 261 if (ret <= 0) 262 return ret; 263 264 ret = sscanf(buf, "%u %u", &tid, &buf_size); 265 if (ret != 2) 266 return -EINVAL; 267 268 /* Valid TID values are 0 through 15 */ 269 if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) 270 return -EINVAL; 271 272 mutex_lock(&ar->conf_mutex); 273 if ((ar->state != ATH10K_STATE_ON) || 274 (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) { 275 ret = count; 276 goto out; 277 } 278 279 ret = ath10k_wmi_addba_send(ar, arsta->arvif->vdev_id, sta->addr, 280 tid, buf_size); 281 if (ret) { 282 ath10k_warn(ar, "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n", 283 arsta->arvif->vdev_id, sta->addr, tid, buf_size); 284 } 285 286 ret = count; 287 out: 288 mutex_unlock(&ar->conf_mutex); 289 return ret; 290 } 291 292 static const struct file_operations fops_addba = { 293 .write = ath10k_dbg_sta_write_addba, 294 .open = simple_open, 295 .owner = THIS_MODULE, 296 .llseek = default_llseek, 297 }; 298 299 static ssize_t ath10k_dbg_sta_write_addba_resp(struct file *file, 300 const char __user *user_buf, 301 size_t count, loff_t *ppos) 302 { 303 struct ieee80211_sta *sta = file->private_data; 304 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 305 struct ath10k *ar = arsta->arvif->ar; 306 u32 tid, status; 307 int ret; 308 char buf[64] = {0}; 309 310 ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, 311 user_buf, count); 312 if (ret <= 0) 313 return ret; 314 315 ret = sscanf(buf, "%u %u", &tid, &status); 316 if (ret != 2) 317 return -EINVAL; 318 319 /* Valid TID values are 0 through 15 */ 320 if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) 321 return -EINVAL; 322 323 mutex_lock(&ar->conf_mutex); 324 if ((ar->state != ATH10K_STATE_ON) || 325 (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) { 326 ret = count; 327 goto out; 328 } 329 330 ret = ath10k_wmi_addba_set_resp(ar, arsta->arvif->vdev_id, sta->addr, 331 tid, status); 332 if (ret) { 333 ath10k_warn(ar, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n", 334 arsta->arvif->vdev_id, sta->addr, tid, status); 335 } 336 ret = count; 337 out: 338 mutex_unlock(&ar->conf_mutex); 339 return ret; 340 } 341 342 static const struct file_operations fops_addba_resp = { 343 .write = ath10k_dbg_sta_write_addba_resp, 344 .open = simple_open, 345 .owner = THIS_MODULE, 346 .llseek = default_llseek, 347 }; 348 349 static ssize_t ath10k_dbg_sta_write_delba(struct file *file, 350 const char __user *user_buf, 351 size_t count, loff_t *ppos) 352 { 353 struct ieee80211_sta *sta = file->private_data; 354 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 355 struct ath10k *ar = arsta->arvif->ar; 356 u32 tid, initiator, reason; 357 int ret; 358 char buf[64] = {0}; 359 360 ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, 361 user_buf, count); 362 if (ret <= 0) 363 return ret; 364 365 ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason); 366 if (ret != 3) 367 return -EINVAL; 368 369 /* Valid TID values are 0 through 15 */ 370 if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) 371 return -EINVAL; 372 373 mutex_lock(&ar->conf_mutex); 374 if ((ar->state != ATH10K_STATE_ON) || 375 (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) { 376 ret = count; 377 goto out; 378 } 379 380 ret = ath10k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr, 381 tid, initiator, reason); 382 if (ret) { 383 ath10k_warn(ar, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n", 384 arsta->arvif->vdev_id, sta->addr, tid, initiator, 385 reason); 386 } 387 ret = count; 388 out: 389 mutex_unlock(&ar->conf_mutex); 390 return ret; 391 } 392 393 static const struct file_operations fops_delba = { 394 .write = ath10k_dbg_sta_write_delba, 395 .open = simple_open, 396 .owner = THIS_MODULE, 397 .llseek = default_llseek, 398 }; 399 400 static ssize_t ath10k_dbg_sta_read_peer_debug_trigger(struct file *file, 401 char __user *user_buf, 402 size_t count, 403 loff_t *ppos) 404 { 405 struct ieee80211_sta *sta = file->private_data; 406 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 407 struct ath10k *ar = arsta->arvif->ar; 408 char buf[8]; 409 int len = 0; 410 411 mutex_lock(&ar->conf_mutex); 412 len = scnprintf(buf, sizeof(buf) - len, 413 "Write 1 to once trigger the debug logs\n"); 414 mutex_unlock(&ar->conf_mutex); 415 416 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 417 } 418 419 static ssize_t 420 ath10k_dbg_sta_write_peer_debug_trigger(struct file *file, 421 const char __user *user_buf, 422 size_t count, loff_t *ppos) 423 { 424 struct ieee80211_sta *sta = file->private_data; 425 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 426 struct ath10k *ar = arsta->arvif->ar; 427 u8 peer_debug_trigger; 428 int ret; 429 430 if (kstrtou8_from_user(user_buf, count, 0, &peer_debug_trigger)) 431 return -EINVAL; 432 433 if (peer_debug_trigger != 1) 434 return -EINVAL; 435 436 mutex_lock(&ar->conf_mutex); 437 438 if (ar->state != ATH10K_STATE_ON) { 439 ret = -ENETDOWN; 440 goto out; 441 } 442 443 ret = ath10k_wmi_peer_set_param(ar, arsta->arvif->vdev_id, sta->addr, 444 WMI_PEER_DEBUG, peer_debug_trigger); 445 if (ret) { 446 ath10k_warn(ar, "failed to set param to trigger peer tid logs for station ret: %d\n", 447 ret); 448 goto out; 449 } 450 out: 451 mutex_unlock(&ar->conf_mutex); 452 return count; 453 } 454 455 static const struct file_operations fops_peer_debug_trigger = { 456 .open = simple_open, 457 .read = ath10k_dbg_sta_read_peer_debug_trigger, 458 .write = ath10k_dbg_sta_write_peer_debug_trigger, 459 .owner = THIS_MODULE, 460 .llseek = default_llseek, 461 }; 462 463 static char *get_err_str(enum ath10k_pkt_rx_err i) 464 { 465 switch (i) { 466 case ATH10K_PKT_RX_ERR_FCS: 467 return "fcs_err"; 468 case ATH10K_PKT_RX_ERR_TKIP: 469 return "tkip_err"; 470 case ATH10K_PKT_RX_ERR_CRYPT: 471 return "crypt_err"; 472 case ATH10K_PKT_RX_ERR_PEER_IDX_INVAL: 473 return "peer_idx_inval"; 474 case ATH10K_PKT_RX_ERR_MAX: 475 return "unknown"; 476 } 477 478 return "unknown"; 479 } 480 481 static char *get_num_ampdu_subfrm_str(enum ath10k_ampdu_subfrm_num i) 482 { 483 switch (i) { 484 case ATH10K_AMPDU_SUBFRM_NUM_10: 485 return "upto 10"; 486 case ATH10K_AMPDU_SUBFRM_NUM_20: 487 return "11-20"; 488 case ATH10K_AMPDU_SUBFRM_NUM_30: 489 return "21-30"; 490 case ATH10K_AMPDU_SUBFRM_NUM_40: 491 return "31-40"; 492 case ATH10K_AMPDU_SUBFRM_NUM_50: 493 return "41-50"; 494 case ATH10K_AMPDU_SUBFRM_NUM_60: 495 return "51-60"; 496 case ATH10K_AMPDU_SUBFRM_NUM_MORE: 497 return ">60"; 498 case ATH10K_AMPDU_SUBFRM_NUM_MAX: 499 return "0"; 500 } 501 502 return "0"; 503 } 504 505 static char *get_num_amsdu_subfrm_str(enum ath10k_amsdu_subfrm_num i) 506 { 507 switch (i) { 508 case ATH10K_AMSDU_SUBFRM_NUM_1: 509 return "1"; 510 case ATH10K_AMSDU_SUBFRM_NUM_2: 511 return "2"; 512 case ATH10K_AMSDU_SUBFRM_NUM_3: 513 return "3"; 514 case ATH10K_AMSDU_SUBFRM_NUM_4: 515 return "4"; 516 case ATH10K_AMSDU_SUBFRM_NUM_MORE: 517 return ">4"; 518 case ATH10K_AMSDU_SUBFRM_NUM_MAX: 519 return "0"; 520 } 521 522 return "0"; 523 } 524 525 #define PRINT_TID_STATS(_field, _tabs) \ 526 do { \ 527 int k = 0; \ 528 for (j = 0; j <= IEEE80211_NUM_TIDS; j++) { \ 529 if (ar->sta_tid_stats_mask & BIT(j)) { \ 530 len += scnprintf(buf + len, buf_len - len, \ 531 "[%02d] %-10lu ", \ 532 j, stats[j]._field); \ 533 k++; \ 534 if (k % 8 == 0) { \ 535 len += scnprintf(buf + len, \ 536 buf_len - len, "\n"); \ 537 len += scnprintf(buf + len, \ 538 buf_len - len, \ 539 _tabs); \ 540 } \ 541 } \ 542 } \ 543 len += scnprintf(buf + len, buf_len - len, "\n"); \ 544 } while (0) 545 546 static ssize_t ath10k_dbg_sta_read_tid_stats(struct file *file, 547 char __user *user_buf, 548 size_t count, loff_t *ppos) 549 { 550 struct ieee80211_sta *sta = file->private_data; 551 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 552 struct ath10k *ar = arsta->arvif->ar; 553 struct ath10k_sta_tid_stats *stats = arsta->tid_stats; 554 size_t len = 0, buf_len = 1048 * IEEE80211_NUM_TIDS; 555 char *buf; 556 int i, j; 557 ssize_t ret; 558 559 buf = kzalloc(buf_len, GFP_KERNEL); 560 if (!buf) 561 return -ENOMEM; 562 563 mutex_lock(&ar->conf_mutex); 564 565 spin_lock_bh(&ar->data_lock); 566 567 len += scnprintf(buf + len, buf_len - len, 568 "\n\t\tDriver Rx pkt stats per tid, ([tid] count)\n"); 569 len += scnprintf(buf + len, buf_len - len, 570 "\t\t------------------------------------------\n"); 571 len += scnprintf(buf + len, buf_len - len, "MSDUs from FW\t\t\t"); 572 PRINT_TID_STATS(rx_pkt_from_fw, "\t\t\t\t"); 573 574 len += scnprintf(buf + len, buf_len - len, "MSDUs unchained\t\t\t"); 575 PRINT_TID_STATS(rx_pkt_unchained, "\t\t\t\t"); 576 577 len += scnprintf(buf + len, buf_len - len, 578 "MSDUs locally dropped:chained\t"); 579 PRINT_TID_STATS(rx_pkt_drop_chained, "\t\t\t\t"); 580 581 len += scnprintf(buf + len, buf_len - len, 582 "MSDUs locally dropped:filtered\t"); 583 PRINT_TID_STATS(rx_pkt_drop_filter, "\t\t\t\t"); 584 585 len += scnprintf(buf + len, buf_len - len, 586 "MSDUs queued for mac80211\t"); 587 PRINT_TID_STATS(rx_pkt_queued_for_mac, "\t\t\t\t"); 588 589 for (i = 0; i < ATH10K_PKT_RX_ERR_MAX; i++) { 590 len += scnprintf(buf + len, buf_len - len, 591 "MSDUs with error:%s\t", get_err_str(i)); 592 PRINT_TID_STATS(rx_pkt_err[i], "\t\t\t\t"); 593 } 594 595 len += scnprintf(buf + len, buf_len - len, "\n"); 596 for (i = 0; i < ATH10K_AMPDU_SUBFRM_NUM_MAX; i++) { 597 len += scnprintf(buf + len, buf_len - len, 598 "A-MPDU num subframes %s\t", 599 get_num_ampdu_subfrm_str(i)); 600 PRINT_TID_STATS(rx_pkt_ampdu[i], "\t\t\t\t"); 601 } 602 603 len += scnprintf(buf + len, buf_len - len, "\n"); 604 for (i = 0; i < ATH10K_AMSDU_SUBFRM_NUM_MAX; i++) { 605 len += scnprintf(buf + len, buf_len - len, 606 "A-MSDU num subframes %s\t\t", 607 get_num_amsdu_subfrm_str(i)); 608 PRINT_TID_STATS(rx_pkt_amsdu[i], "\t\t\t\t"); 609 } 610 611 spin_unlock_bh(&ar->data_lock); 612 613 ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); 614 615 kfree(buf); 616 617 mutex_unlock(&ar->conf_mutex); 618 619 return ret; 620 } 621 622 static const struct file_operations fops_tid_stats_dump = { 623 .open = simple_open, 624 .read = ath10k_dbg_sta_read_tid_stats, 625 .owner = THIS_MODULE, 626 .llseek = default_llseek, 627 }; 628 629 void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 630 struct ieee80211_sta *sta, struct dentry *dir) 631 { 632 debugfs_create_file("aggr_mode", 0644, dir, sta, &fops_aggr_mode); 633 debugfs_create_file("addba", 0200, dir, sta, &fops_addba); 634 debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp); 635 debugfs_create_file("delba", 0200, dir, sta, &fops_delba); 636 debugfs_create_file("peer_debug_trigger", 0600, dir, sta, 637 &fops_peer_debug_trigger); 638 debugfs_create_file("dump_tid_stats", 0400, dir, sta, 639 &fops_tid_stats_dump); 640 } 641