drivers/net/wireless/ath/ath10k/debug.c

   1 /*
   2  * Copyright (c) 2005-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
   4  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/debugfs.h>
  21 #include <linux/vmalloc.h>
  22 #include <linux/utsname.h>
  23 #include <linux/crc32.h>
  24 #include <linux/firmware.h>
  25 #include <linux/devcoredump.h>
  26
  27 #include "core.h"
  28 #include "debug.h"
  29 #include "hif.h"
  30 #include "wmi-ops.h"
  31
  32 /* ms */
  33 #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
  34
  35 #define ATH10K_DEBUG_CAL_DATA_LEN 12064
  36
  37 #define ATH10K_FW_CRASH_DUMP_VERSION 1
  38
  39 /**
  40  * enum ath10k_fw_crash_dump_type - types of data in the dump file
  41  * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format
  42  */
  43 enum ath10k_fw_crash_dump_type {
  44         ATH10K_FW_CRASH_DUMP_REGISTERS = 0,
  45         ATH10K_FW_CRASH_DUMP_CE_DATA = 1,
  46
  47         ATH10K_FW_CRASH_DUMP_MAX,
  48 };
  49
  50 struct ath10k_tlv_dump_data {
  51         /* see ath10k_fw_crash_dump_type above */
  52         __le32 type;
  53
  54         /* in bytes */
  55         __le32 tlv_len;
  56
  57         /* pad to 32-bit boundaries as needed */
  58         u8 tlv_data[];
  59 } __packed;
  60
  61 struct ath10k_dump_file_data {
  62         /* dump file information */
  63
  64         /* "ATH10K-FW-DUMP" */
  65         char df_magic[16];
  66
  67         __le32 len;
  68
  69         /* file dump version */
  70         __le32 version;
  71
  72         /* some info we can get from ath10k struct that might help */
  73
  74         guid_t guid;
  75
  76         __le32 chip_id;
  77
  78         /* 0 for now, in place for later hardware */
  79         __le32 bus_type;
  80
  81         __le32 target_version;
  82         __le32 fw_version_major;
  83         __le32 fw_version_minor;
  84         __le32 fw_version_release;
  85         __le32 fw_version_build;
  86         __le32 phy_capability;
  87         __le32 hw_min_tx_power;
  88         __le32 hw_max_tx_power;
  89         __le32 ht_cap_info;
  90         __le32 vht_cap_info;
  91         __le32 num_rf_chains;
  92
  93         /* firmware version string */
  94         char fw_ver[ETHTOOL_FWVERS_LEN];
  95
  96         /* Kernel related information */
  97
  98         /* time-of-day stamp */
  99         __le64 tv_sec;
 100
 101         /* time-of-day stamp, nano-seconds */
 102         __le64 tv_nsec;
 103
 104         /* LINUX_VERSION_CODE */
 105         __le32 kernel_ver_code;
 106
 107         /* VERMAGIC_STRING */
 108         char kernel_ver[64];
 109
 110         /* room for growth w/out changing binary format */
 111         u8 unused[128];
 112
 113         /* struct ath10k_tlv_dump_data + more */
 114         u8 data[0];
 115 } __packed;
 116
 117 void ath10k_info(struct ath10k *ar, const char *fmt, ...)
 118 {
 119         struct va_format vaf = {
 120                 .fmt = fmt,
 121         };
 122         va_list args;
 123
 124         va_start(args, fmt);
 125         vaf.va = &args;
 126         dev_info(ar->dev, "%pV", &vaf);
 127         trace_ath10k_log_info(ar, &vaf);
 128         va_end(args);
 129 }
 130 EXPORT_SYMBOL(ath10k_info);
 131
 132 void ath10k_debug_print_hwfw_info(struct ath10k *ar)
 133 {
 134         const struct firmware *firmware;
 135         char fw_features[128] = {};
 136         u32 crc = 0;
 137
 138         ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));
 139
 140         ath10k_info(ar, "%s target 0x%08x chip_id 0x%08x sub %04x:%04x",
 141                     ar->hw_params.name,
 142                     ar->target_version,
 143                     ar->chip_id,
 144                     ar->id.subsystem_vendor, ar->id.subsystem_device);
 145
 146         ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n",
 147                     IS_ENABLED(CONFIG_ATH10K_DEBUG),
 148                     IS_ENABLED(CONFIG_ATH10K_DEBUGFS),
 149                     IS_ENABLED(CONFIG_ATH10K_TRACING),
 150                     IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED),
 151                     IS_ENABLED(CONFIG_NL80211_TESTMODE));
 152
 153         firmware = ar->normal_mode_fw.fw_file.firmware;
 154         if (firmware)
 155                 crc = crc32_le(0, firmware->data, firmware->size);
 156
 157         ath10k_info(ar, "firmware ver %s api %d features %s crc32 %08x\n",
 158                     ar->hw->wiphy->fw_version,
 159                     ar->fw_api,
 160                     fw_features,
 161                     crc);
 162 }
 163
 164 void ath10k_debug_print_board_info(struct ath10k *ar)
 165 {
 166         char boardinfo[100];
 167         const struct firmware *board;
 168         u32 crc;
 169
 170         if (ar->id.bmi_ids_valid)
 171                 scnprintf(boardinfo, sizeof(boardinfo), "%d:%d",
 172                           ar->id.bmi_chip_id, ar->id.bmi_board_id);
 173         else
 174                 scnprintf(boardinfo, sizeof(boardinfo), "N/A");
 175
 176         board = ar->normal_mode_fw.board;
 177         if (!IS_ERR_OR_NULL(board))
 178                 crc = crc32_le(0, board->data, board->size);
 179         else
 180                 crc = 0;
 181
 182         ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x",
 183                     ar->bd_api,
 184                     boardinfo,
 185                     crc);
 186 }
 187
 188 void ath10k_debug_print_boot_info(struct ath10k *ar)
 189 {
 190         ath10k_info(ar, "htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d\n",
 191                     ar->htt.target_version_major,
 192                     ar->htt.target_version_minor,
 193                     ar->normal_mode_fw.fw_file.wmi_op_version,
 194                     ar->normal_mode_fw.fw_file.htt_op_version,
 195                     ath10k_cal_mode_str(ar->cal_mode),
 196                     ar->max_num_stations,
 197                     test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags),
 198                     !test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags));
 199 }
 200
 201 void ath10k_print_driver_info(struct ath10k *ar)
 202 {
 203         ath10k_debug_print_hwfw_info(ar);
 204         ath10k_debug_print_board_info(ar);
 205         ath10k_debug_print_boot_info(ar);
 206 }
 207 EXPORT_SYMBOL(ath10k_print_driver_info);
 208
 209 void ath10k_err(struct ath10k *ar, const char *fmt, ...)
 210 {
 211         struct va_format vaf = {
 212                 .fmt = fmt,
 213         };
 214         va_list args;
 215
 216         va_start(args, fmt);
 217         vaf.va = &args;
 218         dev_err(ar->dev, "%pV", &vaf);
 219         trace_ath10k_log_err(ar, &vaf);
 220         va_end(args);
 221 }
 222 EXPORT_SYMBOL(ath10k_err);
 223
 224 void ath10k_warn(struct ath10k *ar, const char *fmt, ...)
 225 {
 226         struct va_format vaf = {
 227                 .fmt = fmt,
 228         };
 229         va_list args;
 230
 231         va_start(args, fmt);
 232         vaf.va = &args;
 233         dev_warn_ratelimited(ar->dev, "%pV", &vaf);
 234         trace_ath10k_log_warn(ar, &vaf);
 235
 236         va_end(args);
 237 }
 238 EXPORT_SYMBOL(ath10k_warn);
 239
 240 #ifdef CONFIG_ATH10K_DEBUGFS
 241
 242 static ssize_t ath10k_read_wmi_services(struct file *file,
 243                                         char __user *user_buf,
 244                                         size_t count, loff_t *ppos)
 245 {
 246         struct ath10k *ar = file->private_data;
 247         char *buf;
 248         size_t len = 0, buf_len = 8192;
 249         const char *name;
 250         ssize_t ret_cnt;
 251         bool enabled;
 252         int i;
 253
 254         buf = kzalloc(buf_len, GFP_KERNEL);
 255         if (!buf)
 256                 return -ENOMEM;
 257
 258         mutex_lock(&ar->conf_mutex);
 259
 260         spin_lock_bh(&ar->data_lock);
 261         for (i = 0; i < WMI_SERVICE_MAX; i++) {
 262                 enabled = test_bit(i, ar->wmi.svc_map);
 263                 name = wmi_service_name(i);
 264
 265                 if (!name) {
 266                         if (enabled)
 267                                 len += scnprintf(buf + len, buf_len - len,
 268                                                  "%-40s %s (bit %d)\n",
 269                                                  "unknown", "enabled", i);
 270
 271                         continue;
 272                 }
 273
 274                 len += scnprintf(buf + len, buf_len - len,
 275                                  "%-40s %s\n",
 276                                  name, enabled ? "enabled" : "-");
 277         }
 278         spin_unlock_bh(&ar->data_lock);
 279
 280         ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 281
 282         mutex_unlock(&ar->conf_mutex);
 283
 284         kfree(buf);
 285         return ret_cnt;
 286 }
 287
 288 static const struct file_operations fops_wmi_services = {
 289         .read = ath10k_read_wmi_services,
 290         .open = simple_open,
 291         .owner = THIS_MODULE,
 292         .llseek = default_llseek,
 293 };
 294
 295 static void ath10k_fw_stats_pdevs_free(struct list_head *head)
 296 {
 297         struct ath10k_fw_stats_pdev *i, *tmp;
 298
 299         list_for_each_entry_safe(i, tmp, head, list) {
 300                 list_del(&i->list);
 301                 kfree(i);
 302         }
 303 }
 304
 305 static void ath10k_fw_stats_vdevs_free(struct list_head *head)
 306 {
 307         struct ath10k_fw_stats_vdev *i, *tmp;
 308
 309         list_for_each_entry_safe(i, tmp, head, list) {
 310                 list_del(&i->list);
 311                 kfree(i);
 312         }
 313 }
 314
 315 static void ath10k_fw_stats_peers_free(struct list_head *head)
 316 {
 317         struct ath10k_fw_stats_peer *i, *tmp;
 318
 319         list_for_each_entry_safe(i, tmp, head, list) {
 320                 list_del(&i->list);
 321                 kfree(i);
 322         }
 323 }
 324
 325 static void ath10k_fw_extd_stats_peers_free(struct list_head *head)
 326 {
 327         struct ath10k_fw_extd_stats_peer *i, *tmp;
 328
 329         list_for_each_entry_safe(i, tmp, head, list) {
 330                 list_del(&i->list);
 331                 kfree(i);
 332         }
 333 }
 334
 335 static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
 336 {
 337         spin_lock_bh(&ar->data_lock);
 338         ar->debug.fw_stats_done = false;
 339         ar->debug.fw_stats.extended = false;
 340         ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
 341         ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
 342         ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers);
 343         ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
 344         spin_unlock_bh(&ar->data_lock);
 345 }
 346
 347 void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
 348 {
 349         struct ath10k_fw_stats stats = {};
 350         bool is_start, is_started, is_end;
 351         size_t num_peers;
 352         size_t num_vdevs;
 353         int ret;
 354
 355         INIT_LIST_HEAD(&stats.pdevs);
 356         INIT_LIST_HEAD(&stats.vdevs);
 357         INIT_LIST_HEAD(&stats.peers);
 358         INIT_LIST_HEAD(&stats.peers_extd);
 359
 360         spin_lock_bh(&ar->data_lock);
 361         ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
 362         if (ret) {
 363                 ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
 364                 goto free;
 365         }
 366
 367         /* Stat data may exceed htc-wmi buffer limit. In such case firmware
 368          * splits the stats data and delivers it in a ping-pong fashion of
 369          * request cmd-update event.
 370          *
 371          * However there is no explicit end-of-data. Instead start-of-data is
 372          * used as an implicit one. This works as follows:
 373          *  a) discard stat update events until one with pdev stats is
 374          *     delivered - this skips session started at end of (b)
 375          *  b) consume stat update events until another one with pdev stats is
 376          *     delivered which is treated as end-of-data and is itself discarded
 377          */
 378         if (ath10k_peer_stats_enabled(ar))
 379                 ath10k_sta_update_rx_duration(ar, &stats);
 380
 381         if (ar->debug.fw_stats_done) {
 382                 if (!ath10k_peer_stats_enabled(ar))
 383                         ath10k_warn(ar, "received unsolicited stats update event\n");
 384
 385                 goto free;
 386         }
 387
 388         num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers);
 389         num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
 390         is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
 391                     !list_empty(&stats.pdevs));
 392         is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
 393                   !list_empty(&stats.pdevs));
 394
 395         if (is_start)
 396                 list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs);
 397
 398         if (is_end)
 399                 ar->debug.fw_stats_done = true;
 400
 401         is_started = !list_empty(&ar->debug.fw_stats.pdevs);
 402
 403         if (is_started && !is_end) {
 404                 if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) {
 405                         /* Although this is unlikely impose a sane limit to
 406                          * prevent firmware from DoS-ing the host.
 407                          */
 408                         ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers);
 409                         ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
 410                         ath10k_warn(ar, "dropping fw peer stats\n");
 411                         goto free;
 412                 }
 413
 414                 if (num_vdevs >= BITS_PER_LONG) {
 415                         ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
 416                         ath10k_warn(ar, "dropping fw vdev stats\n");
 417                         goto free;
 418                 }
 419
 420                 if (!list_empty(&stats.peers))
 421                         list_splice_tail_init(&stats.peers_extd,
 422                                               &ar->debug.fw_stats.peers_extd);
 423
 424                 list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
 425                 list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
 426         }
 427
 428         complete(&ar->debug.fw_stats_complete);
 429
 430 free:
 431         /* In some cases lists have been spliced and cleared. Free up
 432          * resources if that is not the case.
 433          */
 434         ath10k_fw_stats_pdevs_free(&stats.pdevs);
 435         ath10k_fw_stats_vdevs_free(&stats.vdevs);
 436         ath10k_fw_stats_peers_free(&stats.peers);
 437         ath10k_fw_extd_stats_peers_free(&stats.peers_extd);
 438
 439         spin_unlock_bh(&ar->data_lock);
 440 }
 441
 442 static int ath10k_debug_fw_stats_request(struct ath10k *ar)
 443 {
 444         unsigned long timeout, time_left;
 445         int ret;
 446
 447         lockdep_assert_held(&ar->conf_mutex);
 448
 449         timeout = jiffies + msecs_to_jiffies(1 * HZ);
 450
 451         ath10k_debug_fw_stats_reset(ar);
 452
 453         for (;;) {
 454                 if (time_after(jiffies, timeout))
 455                         return -ETIMEDOUT;
 456
 457                 reinit_completion(&ar->debug.fw_stats_complete);
 458
 459                 ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask);
 460                 if (ret) {
 461                         ath10k_warn(ar, "could not request stats (%d)\n", ret);
 462                         return ret;
 463                 }
 464
 465                 time_left =
 466                 wait_for_completion_timeout(&ar->debug.fw_stats_complete,
 467                                             1 * HZ);
 468                 if (!time_left)
 469                         return -ETIMEDOUT;
 470
 471                 spin_lock_bh(&ar->data_lock);
 472                 if (ar->debug.fw_stats_done) {
 473                         spin_unlock_bh(&ar->data_lock);
 474                         break;
 475                 }
 476                 spin_unlock_bh(&ar->data_lock);
 477         }
 478
 479         return 0;
 480 }
 481
 482 static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
 483 {
 484         struct ath10k *ar = inode->i_private;
 485         void *buf = NULL;
 486         int ret;
 487
 488         mutex_lock(&ar->conf_mutex);
 489
 490         if (ar->state != ATH10K_STATE_ON) {
 491                 ret = -ENETDOWN;
 492                 goto err_unlock;
 493         }
 494
 495         buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE);
 496         if (!buf) {
 497                 ret = -ENOMEM;
 498                 goto err_unlock;
 499         }
 500
 501         ret = ath10k_debug_fw_stats_request(ar);
 502         if (ret) {
 503                 ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
 504                 goto err_free;
 505         }
 506
 507         ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
 508         if (ret) {
 509                 ath10k_warn(ar, "failed to fill fw stats: %d\n", ret);
 510                 goto err_free;
 511         }
 512
 513         file->private_data = buf;
 514
 515         mutex_unlock(&ar->conf_mutex);
 516         return 0;
 517
 518 err_free:
 519         vfree(buf);
 520
 521 err_unlock:
 522         mutex_unlock(&ar->conf_mutex);
 523         return ret;
 524 }
 525
 526 static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
 527 {
 528         vfree(file->private_data);
 529
 530         return 0;
 531 }
 532
 533 static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf,
 534                                     size_t count, loff_t *ppos)
 535 {
 536         const char *buf = file->private_data;
 537         size_t len = strlen(buf);
 538
 539         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 540 }
 541
 542 static const struct file_operations fops_fw_stats = {
 543         .open = ath10k_fw_stats_open,
 544         .release = ath10k_fw_stats_release,
 545         .read = ath10k_fw_stats_read,
 546         .owner = THIS_MODULE,
 547         .llseek = default_llseek,
 548 };
 549
 550 static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file,
 551                                                 char __user *user_buf,
 552                                                 size_t count, loff_t *ppos)
 553 {
 554         struct ath10k *ar = file->private_data;
 555         int ret;
 556         size_t len = 0, buf_len = 500;
 557         char *buf;
 558
 559         buf = kmalloc(buf_len, GFP_KERNEL);
 560         if (!buf)
 561                 return -ENOMEM;
 562
 563         spin_lock_bh(&ar->data_lock);
 564
 565         len += scnprintf(buf + len, buf_len - len,
 566                          "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter);
 567         len += scnprintf(buf + len, buf_len - len,
 568                          "fw_warm_reset_counter\t\t%d\n",
 569                          ar->stats.fw_warm_reset_counter);
 570         len += scnprintf(buf + len, buf_len - len,
 571                          "fw_cold_reset_counter\t\t%d\n",
 572                          ar->stats.fw_cold_reset_counter);
 573
 574         spin_unlock_bh(&ar->data_lock);
 575
 576         ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 577
 578         kfree(buf);
 579
 580         return ret;
 581 }
 582
 583 static const struct file_operations fops_fw_reset_stats = {
 584         .open = simple_open,
 585         .read = ath10k_debug_fw_reset_stats_read,
 586         .owner = THIS_MODULE,
 587         .llseek = default_llseek,
 588 };
 589
 590 /* This is a clean assert crash in firmware. */
 591 static int ath10k_debug_fw_assert(struct ath10k *ar)
 592 {
 593         struct wmi_vdev_install_key_cmd *cmd;
 594         struct sk_buff *skb;
 595
 596         skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16);
 597         if (!skb)
 598                 return -ENOMEM;
 599
 600         cmd = (struct wmi_vdev_install_key_cmd *)skb->data;
 601         memset(cmd, 0, sizeof(*cmd));
 602
 603         /* big enough number so that firmware asserts */
 604         cmd->vdev_id = __cpu_to_le32(0x7ffe);
 605
 606         return ath10k_wmi_cmd_send(ar, skb,
 607                                    ar->wmi.cmd->vdev_install_key_cmdid);
 608 }
 609
 610 static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
 611                                              char __user *user_buf,
 612                                              size_t count, loff_t *ppos)
 613 {
 614         const char buf[] =
 615                 "To simulate firmware crash write one of the keywords to this file:\n"
 616                 "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n"
 617                 "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n"
 618                 "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"
 619                 "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n";
 620
 621         return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
 622 }
 623
 624 /* Simulate firmware crash:
 625  * 'soft': Call wmi command causing firmware hang. This firmware hang is
 626  * recoverable by warm firmware reset.
 627  * 'hard': Force firmware crash by setting any vdev parameter for not allowed
 628  * vdev id. This is hard firmware crash because it is recoverable only by cold
 629  * firmware reset.
 630  */
 631 static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
 632                                               const char __user *user_buf,
 633                                               size_t count, loff_t *ppos)
 634 {
 635         struct ath10k *ar = file->private_data;
 636         char buf[32] = {0};
 637         ssize_t rc;
 638         int ret;
 639
 640         /* filter partial writes and invalid commands */
 641         if (*ppos != 0 || count >= sizeof(buf) || count == 0)
 642                 return -EINVAL;
 643
 644         rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
 645         if (rc < 0)
 646                 return rc;
 647
 648         /* drop the possible '\n' from the end */
 649         if (buf[*ppos - 1] == '\n')
 650                 buf[*ppos - 1] = '\0';
 651
 652         mutex_lock(&ar->conf_mutex);
 653
 654         if (ar->state != ATH10K_STATE_ON &&
 655             ar->state != ATH10K_STATE_RESTARTED) {
 656                 ret = -ENETDOWN;
 657                 goto exit;
 658         }
 659
 660         if (!strcmp(buf, "soft")) {
 661                 ath10k_info(ar, "simulating soft firmware crash\n");
 662                 ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
 663         } else if (!strcmp(buf, "hard")) {
 664                 ath10k_info(ar, "simulating hard firmware crash\n");
 665                 /* 0x7fff is vdev id, and it is always out of range for all
 666                  * firmware variants in order to force a firmware crash.
 667                  */
 668                 ret = ath10k_wmi_vdev_set_param(ar, 0x7fff,
 669                                                 ar->wmi.vdev_param->rts_threshold,
 670                                                 0);
 671         } else if (!strcmp(buf, "assert")) {
 672                 ath10k_info(ar, "simulating firmware assert crash\n");
 673                 ret = ath10k_debug_fw_assert(ar);
 674         } else if (!strcmp(buf, "hw-restart")) {
 675                 ath10k_info(ar, "user requested hw restart\n");
 676                 queue_work(ar->workqueue, &ar->restart_work);
 677                 ret = 0;
 678         } else {
 679                 ret = -EINVAL;
 680                 goto exit;
 681         }
 682
 683         if (ret) {
 684                 ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret);
 685                 goto exit;
 686         }
 687
 688         ret = count;
 689
 690 exit:
 691         mutex_unlock(&ar->conf_mutex);
 692         return ret;
 693 }
 694
 695 static const struct file_operations fops_simulate_fw_crash = {
 696         .read = ath10k_read_simulate_fw_crash,
 697         .write = ath10k_write_simulate_fw_crash,
 698         .open = simple_open,
 699         .owner = THIS_MODULE,
 700         .llseek = default_llseek,
 701 };
 702
 703 static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf,
 704                                    size_t count, loff_t *ppos)
 705 {
 706         struct ath10k *ar = file->private_data;
 707         size_t len;
 708         char buf[50];
 709
 710         len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id);
 711
 712         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 713 }
 714
 715 static const struct file_operations fops_chip_id = {
 716         .read = ath10k_read_chip_id,
 717         .open = simple_open,
 718         .owner = THIS_MODULE,
 719         .llseek = default_llseek,
 720 };
 721
 722 struct ath10k_fw_crash_data *
 723 ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
 724 {
 725         struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
 726
 727         lockdep_assert_held(&ar->data_lock);
 728
 729         crash_data->crashed_since_read = true;
 730         guid_gen(&crash_data->guid);
 731         getnstimeofday(&crash_data->timestamp);
 732
 733         return crash_data;
 734 }
 735 EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data);
 736
 737 static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar,
 738                                                             bool mark_read)
 739 {
 740         struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
 741         struct ath10k_ce_crash_hdr *ce_hdr;
 742         struct ath10k_dump_file_data *dump_data;
 743         struct ath10k_tlv_dump_data *dump_tlv;
 744         size_t hdr_len = sizeof(*dump_data);
 745         size_t len, sofar = 0;
 746         unsigned char *buf;
 747
 748         len = hdr_len;
 749         len += sizeof(*dump_tlv) + sizeof(crash_data->registers);
 750         len += sizeof(*dump_tlv) + sizeof(*ce_hdr) +
 751                 CE_COUNT * sizeof(ce_hdr->entries[0]);
 752
 753         sofar += hdr_len;
 754
 755         /* This is going to get big when we start dumping FW RAM and such,
 756          * so go ahead and use vmalloc.
 757          */
 758         buf = vzalloc(len);
 759         if (!buf)
 760                 return NULL;
 761
 762         spin_lock_bh(&ar->data_lock);
 763
 764         if (!crash_data->crashed_since_read) {
 765                 spin_unlock_bh(&ar->data_lock);
 766                 vfree(buf);
 767                 return NULL;
 768         }
 769
 770         dump_data = (struct ath10k_dump_file_data *)(buf);
 771         strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP",
 772                 sizeof(dump_data->df_magic));
 773         dump_data->len = cpu_to_le32(len);
 774
 775         dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION);
 776
 777         guid_copy(&dump_data->guid, &crash_data->guid);
 778         dump_data->chip_id = cpu_to_le32(ar->chip_id);
 779         dump_data->bus_type = cpu_to_le32(0);
 780         dump_data->target_version = cpu_to_le32(ar->target_version);
 781         dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major);
 782         dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor);
 783         dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release);
 784         dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build);
 785         dump_data->phy_capability = cpu_to_le32(ar->phy_capability);
 786         dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power);
 787         dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power);
 788         dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info);
 789         dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info);
 790         dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains);
 791
 792         strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version,
 793                 sizeof(dump_data->fw_ver));
 794
 795         dump_data->kernel_ver_code = 0;
 796         strlcpy(dump_data->kernel_ver, init_utsname()->release,
 797                 sizeof(dump_data->kernel_ver));
 798
 799         dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec);
 800         dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec);
 801
 802         /* Gather crash-dump */
 803         dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
 804         dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS);
 805         dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers));
 806         memcpy(dump_tlv->tlv_data, &crash_data->registers,
 807                sizeof(crash_data->registers));
 808         sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);
 809
 810         dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
 811         dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_CE_DATA);
 812         dump_tlv->tlv_len = cpu_to_le32(sizeof(*ce_hdr) +
 813                                         CE_COUNT * sizeof(ce_hdr->entries[0]));
 814         ce_hdr = (struct ath10k_ce_crash_hdr *)(dump_tlv->tlv_data);
 815         ce_hdr->ce_count = cpu_to_le32(CE_COUNT);
 816         memset(ce_hdr->reserved, 0, sizeof(ce_hdr->reserved));
 817         memcpy(ce_hdr->entries, crash_data->ce_crash_data,
 818                CE_COUNT * sizeof(ce_hdr->entries[0]));
 819         sofar += sizeof(*dump_tlv) + sizeof(*ce_hdr) +
 820                  CE_COUNT * sizeof(ce_hdr->entries[0]);
 821
 822         ar->debug.fw_crash_data->crashed_since_read = !mark_read;
 823
 824         spin_unlock_bh(&ar->data_lock);
 825
 826         return dump_data;
 827 }
 828
 829 int ath10k_debug_fw_devcoredump(struct ath10k *ar)
 830 {
 831         struct ath10k_dump_file_data *dump;
 832         void *dump_ptr;
 833         u32 dump_len;
 834
 835         /* To keep the dump file available also for debugfs don't mark the
 836          * file read, only debugfs should do that.
 837          */
 838         dump = ath10k_build_dump_file(ar, false);
 839         if (!dump) {
 840                 ath10k_warn(ar, "no crash dump data found for devcoredump");
 841                 return -ENODATA;
 842         }
 843
 844         /* Make a copy of the dump file for dev_coredumpv() as during the
 845          * transition period we need to own the original file. Once
 846          * fw_crash_dump debugfs file is removed no need to have a copy
 847          * anymore.
 848          */
 849         dump_len = le32_to_cpu(dump->len);
 850         dump_ptr = vzalloc(dump_len);
 851
 852         if (!dump_ptr)
 853                 return -ENOMEM;
 854
 855         memcpy(dump_ptr, dump, dump_len);
 856
 857         dev_coredumpv(ar->dev, dump_ptr, dump_len, GFP_KERNEL);
 858
 859         return 0;
 860 }
 861
 862 static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file)
 863 {
 864         struct ath10k *ar = inode->i_private;
 865         struct ath10k_dump_file_data *dump;
 866
 867         ath10k_warn(ar, "fw_crash_dump debugfs file is deprecated, please use /sys/class/devcoredump instead.");
 868
 869         dump = ath10k_build_dump_file(ar, true);
 870         if (!dump)
 871                 return -ENODATA;
 872
 873         file->private_data = dump;
 874
 875         return 0;
 876 }
 877
 878 static ssize_t ath10k_fw_crash_dump_read(struct file *file,
 879                                          char __user *user_buf,
 880                                          size_t count, loff_t *ppos)
 881 {
 882         struct ath10k_dump_file_data *dump_file = file->private_data;
 883
 884         return simple_read_from_buffer(user_buf, count, ppos,
 885                                        dump_file,
 886                                        le32_to_cpu(dump_file->len));
 887 }
 888
 889 static int ath10k_fw_crash_dump_release(struct inode *inode,
 890                                         struct file *file)
 891 {
 892         vfree(file->private_data);
 893
 894         return 0;
 895 }
 896
 897 static const struct file_operations fops_fw_crash_dump = {
 898         .open = ath10k_fw_crash_dump_open,
 899         .read = ath10k_fw_crash_dump_read,
 900         .release = ath10k_fw_crash_dump_release,
 901         .owner = THIS_MODULE,
 902         .llseek = default_llseek,
 903 };
 904
 905 static ssize_t ath10k_reg_addr_read(struct file *file,
 906                                     char __user *user_buf,
 907                                     size_t count, loff_t *ppos)
 908 {
 909         struct ath10k *ar = file->private_data;
 910         u8 buf[32];
 911         size_t len = 0;
 912         u32 reg_addr;
 913
 914         mutex_lock(&ar->conf_mutex);
 915         reg_addr = ar->debug.reg_addr;
 916         mutex_unlock(&ar->conf_mutex);
 917
 918         len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr);
 919
 920         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 921 }
 922
 923 static ssize_t ath10k_reg_addr_write(struct file *file,
 924                                      const char __user *user_buf,
 925                                      size_t count, loff_t *ppos)
 926 {
 927         struct ath10k *ar = file->private_data;
 928         u32 reg_addr;
 929         int ret;
 930
 931         ret = kstrtou32_from_user(user_buf, count, 0, &reg_addr);
 932         if (ret)
 933                 return ret;
 934
 935         if (!IS_ALIGNED(reg_addr, 4))
 936                 return -EFAULT;
 937
 938         mutex_lock(&ar->conf_mutex);
 939         ar->debug.reg_addr = reg_addr;
 940         mutex_unlock(&ar->conf_mutex);
 941
 942         return count;
 943 }
 944
 945 static const struct file_operations fops_reg_addr = {
 946         .read = ath10k_reg_addr_read,
 947         .write = ath10k_reg_addr_write,
 948         .open = simple_open,
 949         .owner = THIS_MODULE,
 950         .llseek = default_llseek,
 951 };
 952
 953 static ssize_t ath10k_reg_value_read(struct file *file,
 954                                      char __user *user_buf,
 955                                      size_t count, loff_t *ppos)
 956 {
 957         struct ath10k *ar = file->private_data;
 958         u8 buf[48];
 959         size_t len;
 960         u32 reg_addr, reg_val;
 961         int ret;
 962
 963         mutex_lock(&ar->conf_mutex);
 964
 965         if (ar->state != ATH10K_STATE_ON &&
 966             ar->state != ATH10K_STATE_UTF) {
 967                 ret = -ENETDOWN;
 968                 goto exit;
 969         }
 970
 971         reg_addr = ar->debug.reg_addr;
 972
 973         reg_val = ath10k_hif_read32(ar, reg_addr);
 974         len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val);
 975
 976         ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 977
 978 exit:
 979         mutex_unlock(&ar->conf_mutex);
 980
 981         return ret;
 982 }
 983
 984 static ssize_t ath10k_reg_value_write(struct file *file,
 985                                       const char __user *user_buf,
 986                                       size_t count, loff_t *ppos)
 987 {
 988         struct ath10k *ar = file->private_data;
 989         u32 reg_addr, reg_val;
 990         int ret;
 991
 992         mutex_lock(&ar->conf_mutex);
 993
 994         if (ar->state != ATH10K_STATE_ON &&
 995             ar->state != ATH10K_STATE_UTF) {
 996                 ret = -ENETDOWN;
 997                 goto exit;
 998         }
 999
1000         reg_addr = ar->debug.reg_addr;
1001
1002         ret = kstrtou32_from_user(user_buf, count, 0, &reg_val);
1003         if (ret)
1004                 goto exit;
1005
1006         ath10k_hif_write32(ar, reg_addr, reg_val);
1007
1008         ret = count;
1009
1010 exit:
1011         mutex_unlock(&ar->conf_mutex);
1012
1013         return ret;
1014 }
1015
1016 static const struct file_operations fops_reg_value = {
1017         .read = ath10k_reg_value_read,
1018         .write = ath10k_reg_value_write,
1019         .open = simple_open,
1020         .owner = THIS_MODULE,
1021         .llseek = default_llseek,
1022 };
1023
1024 static ssize_t ath10k_mem_value_read(struct file *file,
1025                                      char __user *user_buf,
1026                                      size_t count, loff_t *ppos)
1027 {
1028         struct ath10k *ar = file->private_data;
1029         u8 *buf;
1030         int ret;
1031
1032         if (*ppos < 0)
1033                 return -EINVAL;
1034
1035         if (!count)
1036                 return 0;
1037
1038         mutex_lock(&ar->conf_mutex);
1039
1040         buf = vmalloc(count);
1041         if (!buf) {
1042                 ret = -ENOMEM;
1043                 goto exit;
1044         }
1045
1046         if (ar->state != ATH10K_STATE_ON &&
1047             ar->state != ATH10K_STATE_UTF) {
1048                 ret = -ENETDOWN;
1049                 goto exit;
1050         }
1051
1052         ret = ath10k_hif_diag_read(ar, *ppos, buf, count);
1053         if (ret) {
1054                 ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n",
1055                             (u32)(*ppos), ret);
1056                 goto exit;
1057         }
1058
1059         ret = copy_to_user(user_buf, buf, count);
1060         if (ret) {
1061                 ret = -EFAULT;
1062                 goto exit;
1063         }
1064
1065         count -= ret;
1066         *ppos += count;
1067         ret = count;
1068
1069 exit:
1070         vfree(buf);
1071         mutex_unlock(&ar->conf_mutex);
1072
1073         return ret;
1074 }
1075
1076 static ssize_t ath10k_mem_value_write(struct file *file,
1077                                       const char __user *user_buf,
1078                                       size_t count, loff_t *ppos)
1079 {
1080         struct ath10k *ar = file->private_data;
1081         u8 *buf;
1082         int ret;
1083
1084         if (*ppos < 0)
1085                 return -EINVAL;
1086
1087         if (!count)
1088                 return 0;
1089
1090         mutex_lock(&ar->conf_mutex);
1091
1092         buf = vmalloc(count);
1093         if (!buf) {
1094                 ret = -ENOMEM;
1095                 goto exit;
1096         }
1097
1098         if (ar->state != ATH10K_STATE_ON &&
1099             ar->state != ATH10K_STATE_UTF) {
1100                 ret = -ENETDOWN;
1101                 goto exit;
1102         }
1103
1104         ret = copy_from_user(buf, user_buf, count);
1105         if (ret) {
1106                 ret = -EFAULT;
1107                 goto exit;
1108         }
1109
1110         ret = ath10k_hif_diag_write(ar, *ppos, buf, count);
1111         if (ret) {
1112                 ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n",
1113                             (u32)(*ppos), ret);
1114                 goto exit;
1115         }
1116
1117         *ppos += count;
1118         ret = count;
1119
1120 exit:
1121         vfree(buf);
1122         mutex_unlock(&ar->conf_mutex);
1123
1124         return ret;
1125 }
1126
1127 static const struct file_operations fops_mem_value = {
1128         .read = ath10k_mem_value_read,
1129         .write = ath10k_mem_value_write,
1130         .open = simple_open,
1131         .owner = THIS_MODULE,
1132         .llseek = default_llseek,
1133 };
1134
1135 static int ath10k_debug_htt_stats_req(struct ath10k *ar)
1136 {
1137         u64 cookie;
1138         int ret;
1139
1140         lockdep_assert_held(&ar->conf_mutex);
1141
1142         if (ar->debug.htt_stats_mask == 0)
1143                 /* htt stats are disabled */
1144                 return 0;
1145
1146         if (ar->state != ATH10K_STATE_ON)
1147                 return 0;
1148
1149         cookie = get_jiffies_64();
1150
1151         ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
1152                                        cookie);
1153         if (ret) {
1154                 ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
1155                 return ret;
1156         }
1157
1158         queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
1159                            msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
1160
1161         return 0;
1162 }
1163
1164 static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
1165 {
1166         struct ath10k *ar = container_of(work, struct ath10k,
1167                                          debug.htt_stats_dwork.work);
1168
1169         mutex_lock(&ar->conf_mutex);
1170
1171         ath10k_debug_htt_stats_req(ar);
1172
1173         mutex_unlock(&ar->conf_mutex);
1174 }
1175
1176 static ssize_t ath10k_read_htt_stats_mask(struct file *file,
1177                                           char __user *user_buf,
1178                                           size_t count, loff_t *ppos)
1179 {
1180         struct ath10k *ar = file->private_data;
1181         char buf[32];
1182         size_t len;
1183
1184         len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
1185
1186         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1187 }
1188
1189 static ssize_t ath10k_write_htt_stats_mask(struct file *file,
1190                                            const char __user *user_buf,
1191                                            size_t count, loff_t *ppos)
1192 {
1193         struct ath10k *ar = file->private_data;
1194         unsigned long mask;
1195         int ret;
1196
1197         ret = kstrtoul_from_user(user_buf, count, 0, &mask);
1198         if (ret)
1199                 return ret;
1200
1201         /* max 8 bit masks (for now) */
1202         if (mask > 0xff)
1203                 return -E2BIG;
1204
1205         mutex_lock(&ar->conf_mutex);
1206
1207         ar->debug.htt_stats_mask = mask;
1208
1209         ret = ath10k_debug_htt_stats_req(ar);
1210         if (ret)
1211                 goto out;
1212
1213         ret = count;
1214
1215 out:
1216         mutex_unlock(&ar->conf_mutex);
1217
1218         return ret;
1219 }
1220
1221 static const struct file_operations fops_htt_stats_mask = {
1222         .read = ath10k_read_htt_stats_mask,
1223         .write = ath10k_write_htt_stats_mask,
1224         .open = simple_open,
1225         .owner = THIS_MODULE,
1226         .llseek = default_llseek,
1227 };
1228
1229 static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file,
1230                                                char __user *user_buf,
1231                                                size_t count, loff_t *ppos)
1232 {
1233         struct ath10k *ar = file->private_data;
1234         char buf[64];
1235         u8 amsdu, ampdu;
1236         size_t len;
1237
1238         mutex_lock(&ar->conf_mutex);
1239
1240         amsdu = ar->htt.max_num_amsdu;
1241         ampdu = ar->htt.max_num_ampdu;
1242         mutex_unlock(&ar->conf_mutex);
1243
1244         len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu);
1245
1246         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1247 }
1248
1249 static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file,
1250                                                 const char __user *user_buf,
1251                                                 size_t count, loff_t *ppos)
1252 {
1253         struct ath10k *ar = file->private_data;
1254         int res;
1255         char buf[64];
1256         unsigned int amsdu, ampdu;
1257
1258         simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
1259
1260         /* make sure that buf is null terminated */
1261         buf[sizeof(buf) - 1] = 0;
1262
1263         res = sscanf(buf, "%u %u", &amsdu, &ampdu);
1264
1265         if (res != 2)
1266                 return -EINVAL;
1267
1268         mutex_lock(&ar->conf_mutex);
1269
1270         res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu);
1271         if (res)
1272                 goto out;
1273
1274         res = count;
1275         ar->htt.max_num_amsdu = amsdu;
1276         ar->htt.max_num_ampdu = ampdu;
1277
1278 out:
1279         mutex_unlock(&ar->conf_mutex);
1280         return res;
1281 }
1282
1283 static const struct file_operations fops_htt_max_amsdu_ampdu = {
1284         .read = ath10k_read_htt_max_amsdu_ampdu,
1285         .write = ath10k_write_htt_max_amsdu_ampdu,
1286         .open = simple_open,
1287         .owner = THIS_MODULE,
1288         .llseek = default_llseek,
1289 };
1290
1291 static ssize_t ath10k_read_fw_dbglog(struct file *file,
1292                                      char __user *user_buf,
1293                                      size_t count, loff_t *ppos)
1294 {
1295         struct ath10k *ar = file->private_data;
1296         size_t len;
1297         char buf[96];
1298
1299         len = scnprintf(buf, sizeof(buf), "0x%16llx %u\n",
1300                         ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
1301
1302         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1303 }
1304
1305 static ssize_t ath10k_write_fw_dbglog(struct file *file,
1306                                       const char __user *user_buf,
1307                                       size_t count, loff_t *ppos)
1308 {
1309         struct ath10k *ar = file->private_data;
1310         int ret;
1311         char buf[96];
1312         unsigned int log_level;
1313         u64 mask;
1314
1315         simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
1316
1317         /* make sure that buf is null terminated */
1318         buf[sizeof(buf) - 1] = 0;
1319
1320         ret = sscanf(buf, "%llx %u", &mask, &log_level);
1321
1322         if (!ret)
1323                 return -EINVAL;
1324
1325         if (ret == 1)
1326                 /* default if user did not specify */
1327                 log_level = ATH10K_DBGLOG_LEVEL_WARN;
1328
1329         mutex_lock(&ar->conf_mutex);
1330
1331         ar->debug.fw_dbglog_mask = mask;
1332         ar->debug.fw_dbglog_level = log_level;
1333
1334         if (ar->state == ATH10K_STATE_ON) {
1335                 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
1336                                             ar->debug.fw_dbglog_level);
1337                 if (ret) {
1338                         ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
1339                                     ret);
1340                         goto exit;
1341                 }
1342         }
1343
1344         ret = count;
1345
1346 exit:
1347         mutex_unlock(&ar->conf_mutex);
1348
1349         return ret;
1350 }
1351
1352 /* TODO:  Would be nice to always support ethtool stats, would need to
1353  * move the stats storage out of ath10k_debug, or always have ath10k_debug
1354  * struct available..
1355  */
1356
1357 /* This generally cooresponds to the debugfs fw_stats file */
1358 static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
1359         "tx_pkts_nic",
1360         "tx_bytes_nic",
1361         "rx_pkts_nic",
1362         "rx_bytes_nic",
1363         "d_noise_floor",
1364         "d_cycle_count",
1365         "d_phy_error",
1366         "d_rts_bad",
1367         "d_rts_good",
1368         "d_tx_power", /* in .5 dbM I think */
1369         "d_rx_crc_err", /* fcs_bad */
1370         "d_no_beacon",
1371         "d_tx_mpdus_queued",
1372         "d_tx_msdu_queued",
1373         "d_tx_msdu_dropped",
1374         "d_local_enqued",
1375         "d_local_freed",
1376         "d_tx_ppdu_hw_queued",
1377         "d_tx_ppdu_reaped",
1378         "d_tx_fifo_underrun",
1379         "d_tx_ppdu_abort",
1380         "d_tx_mpdu_requed",
1381         "d_tx_excessive_retries",
1382         "d_tx_hw_rate",
1383         "d_tx_dropped_sw_retries",
1384         "d_tx_illegal_rate",
1385         "d_tx_continuous_xretries",
1386         "d_tx_timeout",
1387         "d_tx_mpdu_txop_limit",
1388         "d_pdev_resets",
1389         "d_rx_mid_ppdu_route_change",
1390         "d_rx_status",
1391         "d_rx_extra_frags_ring0",
1392         "d_rx_extra_frags_ring1",
1393         "d_rx_extra_frags_ring2",
1394         "d_rx_extra_frags_ring3",
1395         "d_rx_msdu_htt",
1396         "d_rx_mpdu_htt",
1397         "d_rx_msdu_stack",
1398         "d_rx_mpdu_stack",
1399         "d_rx_phy_err",
1400         "d_rx_phy_err_drops",
1401         "d_rx_mpdu_errors", /* FCS, MIC, ENC */
1402         "d_fw_crash_count",
1403         "d_fw_warm_reset_count",
1404         "d_fw_cold_reset_count",
1405 };
1406
1407 #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats)
1408
1409 void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
1410                                  struct ieee80211_vif *vif,
1411                                  u32 sset, u8 *data)
1412 {
1413         if (sset == ETH_SS_STATS)
1414                 memcpy(data, *ath10k_gstrings_stats,
1415                        sizeof(ath10k_gstrings_stats));
1416 }
1417
1418 int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
1419                                    struct ieee80211_vif *vif, int sset)
1420 {
1421         if (sset == ETH_SS_STATS)
1422                 return ATH10K_SSTATS_LEN;
1423
1424         return 0;
1425 }
1426
1427 void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
1428                                struct ieee80211_vif *vif,
1429                                struct ethtool_stats *stats, u64 *data)
1430 {
1431         struct ath10k *ar = hw->priv;
1432         static const struct ath10k_fw_stats_pdev zero_stats = {};
1433         const struct ath10k_fw_stats_pdev *pdev_stats;
1434         int i = 0, ret;
1435
1436         mutex_lock(&ar->conf_mutex);
1437
1438         if (ar->state == ATH10K_STATE_ON) {
1439                 ret = ath10k_debug_fw_stats_request(ar);
1440                 if (ret) {
1441                         /* just print a warning and try to use older results */
1442                         ath10k_warn(ar,
1443                                     "failed to get fw stats for ethtool: %d\n",
1444                                     ret);
1445                 }
1446         }
1447
1448         pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs,
1449                                               struct ath10k_fw_stats_pdev,
1450                                               list);
1451         if (!pdev_stats) {
1452                 /* no results available so just return zeroes */
1453                 pdev_stats = &zero_stats;
1454         }
1455
1456         spin_lock_bh(&ar->data_lock);
1457
1458         data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */
1459         data[i++] = 0; /* tx bytes */
1460         data[i++] = pdev_stats->htt_mpdus;
1461         data[i++] = 0; /* rx bytes */
1462         data[i++] = pdev_stats->ch_noise_floor;
1463         data[i++] = pdev_stats->cycle_count;
1464         data[i++] = pdev_stats->phy_err_count;
1465         data[i++] = pdev_stats->rts_bad;
1466         data[i++] = pdev_stats->rts_good;
1467         data[i++] = pdev_stats->chan_tx_power;
1468         data[i++] = pdev_stats->fcs_bad;
1469         data[i++] = pdev_stats->no_beacons;
1470         data[i++] = pdev_stats->mpdu_enqued;
1471         data[i++] = pdev_stats->msdu_enqued;
1472         data[i++] = pdev_stats->wmm_drop;
1473         data[i++] = pdev_stats->local_enqued;
1474         data[i++] = pdev_stats->local_freed;
1475         data[i++] = pdev_stats->hw_queued;
1476         data[i++] = pdev_stats->hw_reaped;
1477         data[i++] = pdev_stats->underrun;
1478         data[i++] = pdev_stats->tx_abort;
1479         data[i++] = pdev_stats->mpdus_requed;
1480         data[i++] = pdev_stats->tx_ko;
1481         data[i++] = pdev_stats->data_rc;
1482         data[i++] = pdev_stats->sw_retry_failure;
1483         data[i++] = pdev_stats->illgl_rate_phy_err;
1484         data[i++] = pdev_stats->pdev_cont_xretry;
1485         data[i++] = pdev_stats->pdev_tx_timeout;
1486         data[i++] = pdev_stats->txop_ovf;
1487         data[i++] = pdev_stats->pdev_resets;
1488         data[i++] = pdev_stats->mid_ppdu_route_change;
1489         data[i++] = pdev_stats->status_rcvd;
1490         data[i++] = pdev_stats->r0_frags;
1491         data[i++] = pdev_stats->r1_frags;
1492         data[i++] = pdev_stats->r2_frags;
1493         data[i++] = pdev_stats->r3_frags;
1494         data[i++] = pdev_stats->htt_msdus;
1495         data[i++] = pdev_stats->htt_mpdus;
1496         data[i++] = pdev_stats->loc_msdus;
1497         data[i++] = pdev_stats->loc_mpdus;
1498         data[i++] = pdev_stats->phy_errs;
1499         data[i++] = pdev_stats->phy_err_drop;
1500         data[i++] = pdev_stats->mpdu_errs;
1501         data[i++] = ar->stats.fw_crash_counter;
1502         data[i++] = ar->stats.fw_warm_reset_counter;
1503         data[i++] = ar->stats.fw_cold_reset_counter;
1504
1505         spin_unlock_bh(&ar->data_lock);
1506
1507         mutex_unlock(&ar->conf_mutex);
1508
1509         WARN_ON(i != ATH10K_SSTATS_LEN);
1510 }
1511
1512 static const struct file_operations fops_fw_dbglog = {
1513         .read = ath10k_read_fw_dbglog,
1514         .write = ath10k_write_fw_dbglog,
1515         .open = simple_open,
1516         .owner = THIS_MODULE,
1517         .llseek = default_llseek,
1518 };
1519
1520 static int ath10k_debug_cal_data_fetch(struct ath10k *ar)
1521 {
1522         u32 hi_addr;
1523         __le32 addr;
1524         int ret;
1525
1526         lockdep_assert_held(&ar->conf_mutex);
1527
1528         if (WARN_ON(ar->hw_params.cal_data_len > ATH10K_DEBUG_CAL_DATA_LEN))
1529                 return -EINVAL;
1530
1531         hi_addr = host_interest_item_address(HI_ITEM(hi_board_data));
1532
1533         ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr));
1534         if (ret) {
1535                 ath10k_warn(ar, "failed to read hi_board_data address: %d\n",
1536                             ret);
1537                 return ret;
1538         }
1539
1540         ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), ar->debug.cal_data,
1541                                    ar->hw_params.cal_data_len);
1542         if (ret) {
1543                 ath10k_warn(ar, "failed to read calibration data: %d\n", ret);
1544                 return ret;
1545         }
1546
1547         return 0;
1548 }
1549
1550 static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file)
1551 {
1552         struct ath10k *ar = inode->i_private;
1553
1554         mutex_lock(&ar->conf_mutex);
1555
1556         if (ar->state == ATH10K_STATE_ON ||
1557             ar->state == ATH10K_STATE_UTF) {
1558                 ath10k_debug_cal_data_fetch(ar);
1559         }
1560
1561         file->private_data = ar;
1562         mutex_unlock(&ar->conf_mutex);
1563
1564         return 0;
1565 }
1566
1567 static ssize_t ath10k_debug_cal_data_read(struct file *file,
1568                                           char __user *user_buf,
1569                                           size_t count, loff_t *ppos)
1570 {
1571         struct ath10k *ar = file->private_data;
1572
1573         mutex_lock(&ar->conf_mutex);
1574
1575         count = simple_read_from_buffer(user_buf, count, ppos,
1576                                         ar->debug.cal_data,
1577                                         ar->hw_params.cal_data_len);
1578
1579         mutex_unlock(&ar->conf_mutex);
1580
1581         return count;
1582 }
1583
1584 static ssize_t ath10k_write_ani_enable(struct file *file,
1585                                        const char __user *user_buf,
1586                                        size_t count, loff_t *ppos)
1587 {
1588         struct ath10k *ar = file->private_data;
1589         int ret;
1590         u8 enable;
1591
1592         if (kstrtou8_from_user(user_buf, count, 0, &enable))
1593                 return -EINVAL;
1594
1595         mutex_lock(&ar->conf_mutex);
1596
1597         if (ar->ani_enabled == enable) {
1598                 ret = count;
1599                 goto exit;
1600         }
1601
1602         ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable,
1603                                         enable);
1604         if (ret) {
1605                 ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret);
1606                 goto exit;
1607         }
1608         ar->ani_enabled = enable;
1609
1610         ret = count;
1611
1612 exit:
1613         mutex_unlock(&ar->conf_mutex);
1614
1615         return ret;
1616 }
1617
1618 static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf,
1619                                       size_t count, loff_t *ppos)
1620 {
1621         struct ath10k *ar = file->private_data;
1622         size_t len;
1623         char buf[32];
1624
1625         len = scnprintf(buf, sizeof(buf), "%d\n", ar->ani_enabled);
1626
1627         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1628 }
1629
1630 static const struct file_operations fops_ani_enable = {
1631         .read = ath10k_read_ani_enable,
1632         .write = ath10k_write_ani_enable,
1633         .open = simple_open,
1634         .owner = THIS_MODULE,
1635         .llseek = default_llseek,
1636 };
1637
1638 static const struct file_operations fops_cal_data = {
1639         .open = ath10k_debug_cal_data_open,
1640         .read = ath10k_debug_cal_data_read,
1641         .owner = THIS_MODULE,
1642         .llseek = default_llseek,
1643 };
1644
1645 static ssize_t ath10k_read_nf_cal_period(struct file *file,
1646                                          char __user *user_buf,
1647                                          size_t count, loff_t *ppos)
1648 {
1649         struct ath10k *ar = file->private_data;
1650         size_t len;
1651         char buf[32];
1652
1653         len = scnprintf(buf, sizeof(buf), "%d\n", ar->debug.nf_cal_period);
1654
1655         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1656 }
1657
1658 static ssize_t ath10k_write_nf_cal_period(struct file *file,
1659                                           const char __user *user_buf,
1660                                           size_t count, loff_t *ppos)
1661 {
1662         struct ath10k *ar = file->private_data;
1663         unsigned long period;
1664         int ret;
1665
1666         ret = kstrtoul_from_user(user_buf, count, 0, &period);
1667         if (ret)
1668                 return ret;
1669
1670         if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX)
1671                 return -EINVAL;
1672
1673         /* there's no way to switch back to the firmware default */
1674         if (period == 0)
1675                 return -EINVAL;
1676
1677         mutex_lock(&ar->conf_mutex);
1678
1679         ar->debug.nf_cal_period = period;
1680
1681         if (ar->state != ATH10K_STATE_ON) {
1682                 /* firmware is not running, nothing else to do */
1683                 ret = count;
1684                 goto exit;
1685         }
1686
1687         ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period,
1688                                         ar->debug.nf_cal_period);
1689         if (ret) {
1690                 ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n",
1691                             ret);
1692                 goto exit;
1693         }
1694
1695         ret = count;
1696
1697 exit:
1698         mutex_unlock(&ar->conf_mutex);
1699
1700         return ret;
1701 }
1702
1703 static const struct file_operations fops_nf_cal_period = {
1704         .read = ath10k_read_nf_cal_period,
1705         .write = ath10k_write_nf_cal_period,
1706         .open = simple_open,
1707         .owner = THIS_MODULE,
1708         .llseek = default_llseek,
1709 };
1710
1711 #define ATH10K_TPC_CONFIG_BUF_SIZE      (1024 * 1024)
1712
1713 static int ath10k_debug_tpc_stats_request(struct ath10k *ar)
1714 {
1715         int ret;
1716         unsigned long time_left;
1717
1718         lockdep_assert_held(&ar->conf_mutex);
1719
1720         reinit_completion(&ar->debug.tpc_complete);
1721
1722         ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM);
1723         if (ret) {
1724                 ath10k_warn(ar, "failed to request tpc config: %d\n", ret);
1725                 return ret;
1726         }
1727
1728         time_left = wait_for_completion_timeout(&ar->debug.tpc_complete,
1729                                                 1 * HZ);
1730         if (time_left == 0)
1731                 return -ETIMEDOUT;
1732
1733         return 0;
1734 }
1735
1736 void ath10k_debug_tpc_stats_process(struct ath10k *ar,
1737                                     struct ath10k_tpc_stats *tpc_stats)
1738 {
1739         spin_lock_bh(&ar->data_lock);
1740
1741         kfree(ar->debug.tpc_stats);
1742         ar->debug.tpc_stats = tpc_stats;
1743         complete(&ar->debug.tpc_complete);
1744
1745         spin_unlock_bh(&ar->data_lock);
1746 }
1747
1748 static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats,
1749                                    unsigned int j, char *buf, size_t *len)
1750 {
1751         int i;
1752         size_t buf_len;
1753         static const char table_str[][5] = { "CDD",
1754                                              "STBC",
1755                                              "TXBF" };
1756         static const char pream_str[][6] = { "CCK",
1757                                              "OFDM",
1758                                              "HT20",
1759                                              "HT40",
1760                                              "VHT20",
1761                                              "VHT40",
1762                                              "VHT80",
1763                                              "HTCUP" };
1764
1765         buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;
1766         *len += scnprintf(buf + *len, buf_len - *len,
1767                           "********************************\n");
1768         *len += scnprintf(buf + *len, buf_len - *len,
1769                           "******************* %s POWER TABLE ****************\n",
1770                           table_str[j]);
1771         *len += scnprintf(buf + *len, buf_len - *len,
1772                           "********************************\n");
1773         *len += scnprintf(buf + *len, buf_len - *len,
1774                           "No.  Preamble Rate_code tpc_value1 tpc_value2 tpc_value3\n");
1775
1776         for (i = 0; i < tpc_stats->rate_max; i++) {
1777                 *len += scnprintf(buf + *len, buf_len - *len,
1778                                   "%8d %s 0x%2x %s\n", i,
1779                                   pream_str[tpc_stats->tpc_table[j].pream_idx[i]],
1780                                   tpc_stats->tpc_table[j].rate_code[i],
1781                                   tpc_stats->tpc_table[j].tpc_value[i]);
1782         }
1783
1784         *len += scnprintf(buf + *len, buf_len - *len,
1785                           "***********************************\n");
1786 }
1787
1788 static void ath10k_tpc_stats_fill(struct ath10k *ar,
1789                                   struct ath10k_tpc_stats *tpc_stats,
1790                                   char *buf)
1791 {
1792         int j;
1793         size_t len, buf_len;
1794
1795         len = 0;
1796         buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;
1797
1798         spin_lock_bh(&ar->data_lock);
1799
1800         if (!tpc_stats) {
1801                 ath10k_warn(ar, "failed to get tpc stats\n");
1802                 goto unlock;
1803         }
1804
1805         len += scnprintf(buf + len, buf_len - len, "\n");
1806         len += scnprintf(buf + len, buf_len - len,
1807                          "*************************************\n");
1808         len += scnprintf(buf + len, buf_len - len,
1809                          "TPC config for channel %4d mode %d\n",
1810                          tpc_stats->chan_freq,
1811                          tpc_stats->phy_mode);
1812         len += scnprintf(buf + len, buf_len - len,
1813                          "*************************************\n");
1814         len += scnprintf(buf + len, buf_len - len,
1815                          "CTL           =  0x%2x Reg. Domain            = %2d\n",
1816                          tpc_stats->ctl,
1817                          tpc_stats->reg_domain);
1818         len += scnprintf(buf + len, buf_len - len,
1819                          "Antenna Gain  = %2d Reg. Max Antenna Gain     =  %2d\n",
1820                          tpc_stats->twice_antenna_gain,
1821                          tpc_stats->twice_antenna_reduction);
1822         len += scnprintf(buf + len, buf_len - len,
1823                          "Power Limit   = %2d Reg. Max Power            = %2d\n",
1824                          tpc_stats->power_limit,
1825                          tpc_stats->twice_max_rd_power / 2);
1826         len += scnprintf(buf + len, buf_len - len,
1827                          "Num tx chains = %2d Num supported rates       = %2d\n",
1828                          tpc_stats->num_tx_chain,
1829                          tpc_stats->rate_max);
1830
1831         for (j = 0; j < WMI_TPC_FLAG; j++) {
1832                 switch (j) {
1833                 case WMI_TPC_TABLE_TYPE_CDD:
1834                         if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
1835                                 len += scnprintf(buf + len, buf_len - len,
1836                                                  "CDD not supported\n");
1837                                 break;
1838                         }
1839
1840                         ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
1841                         break;
1842                 case WMI_TPC_TABLE_TYPE_STBC:
1843                         if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
1844                                 len += scnprintf(buf + len, buf_len - len,
1845                                                  "STBC not supported\n");
1846                                 break;
1847                         }
1848
1849                         ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
1850                         break;
1851                 case WMI_TPC_TABLE_TYPE_TXBF:
1852                         if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
1853                                 len += scnprintf(buf + len, buf_len - len,
1854                                                  "TXBF not supported\n***************************\n");
1855                                 break;
1856                         }
1857
1858                         ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
1859                         break;
1860                 default:
1861                         len += scnprintf(buf + len, buf_len - len,
1862                                          "Invalid Type\n");
1863                         break;
1864                 }
1865         }
1866
1867 unlock:
1868         spin_unlock_bh(&ar->data_lock);
1869
1870         if (len >= buf_len)
1871                 buf[len - 1] = 0;
1872         else
1873                 buf[len] = 0;
1874 }
1875
1876 static int ath10k_tpc_stats_open(struct inode *inode, struct file *file)
1877 {
1878         struct ath10k *ar = inode->i_private;
1879         void *buf = NULL;
1880         int ret;
1881
1882         mutex_lock(&ar->conf_mutex);
1883
1884         if (ar->state != ATH10K_STATE_ON) {
1885                 ret = -ENETDOWN;
1886                 goto err_unlock;
1887         }
1888
1889         buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE);
1890         if (!buf) {
1891                 ret = -ENOMEM;
1892                 goto err_unlock;
1893         }
1894
1895         ret = ath10k_debug_tpc_stats_request(ar);
1896         if (ret) {
1897                 ath10k_warn(ar, "failed to request tpc config stats: %d\n",
1898                             ret);
1899                 goto err_free;
1900         }
1901
1902         ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf);
1903         file->private_data = buf;
1904
1905         mutex_unlock(&ar->conf_mutex);
1906         return 0;
1907
1908 err_free:
1909         vfree(buf);
1910
1911 err_unlock:
1912         mutex_unlock(&ar->conf_mutex);
1913         return ret;
1914 }
1915
1916 static int ath10k_tpc_stats_release(struct inode *inode, struct file *file)
1917 {
1918         vfree(file->private_data);
1919
1920         return 0;
1921 }
1922
1923 static ssize_t ath10k_tpc_stats_read(struct file *file, char __user *user_buf,
1924                                      size_t count, loff_t *ppos)
1925 {
1926         const char *buf = file->private_data;
1927         size_t len = strlen(buf);
1928
1929         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1930 }
1931
1932 static const struct file_operations fops_tpc_stats = {
1933         .open = ath10k_tpc_stats_open,
1934         .release = ath10k_tpc_stats_release,
1935         .read = ath10k_tpc_stats_read,
1936         .owner = THIS_MODULE,
1937         .llseek = default_llseek,
1938 };
1939
1940 int ath10k_debug_start(struct ath10k *ar)
1941 {
1942         int ret;
1943
1944         lockdep_assert_held(&ar->conf_mutex);
1945
1946         ret = ath10k_debug_htt_stats_req(ar);
1947         if (ret)
1948                 /* continue normally anyway, this isn't serious */
1949                 ath10k_warn(ar, "failed to start htt stats workqueue: %d\n",
1950                             ret);
1951
1952         if (ar->debug.fw_dbglog_mask) {
1953                 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
1954                                             ATH10K_DBGLOG_LEVEL_WARN);
1955                 if (ret)
1956                         /* not serious */
1957                         ath10k_warn(ar, "failed to enable dbglog during start: %d",
1958                                     ret);
1959         }
1960
1961         if (ar->debug.pktlog_filter) {
1962                 ret = ath10k_wmi_pdev_pktlog_enable(ar,
1963                                                     ar->debug.pktlog_filter);
1964                 if (ret)
1965                         /* not serious */
1966                         ath10k_warn(ar,
1967                                     "failed to enable pktlog filter %x: %d\n",
1968                                     ar->debug.pktlog_filter, ret);
1969         } else {
1970                 ret = ath10k_wmi_pdev_pktlog_disable(ar);
1971                 if (ret)
1972                         /* not serious */
1973                         ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
1974         }
1975
1976         if (ar->debug.nf_cal_period) {
1977                 ret = ath10k_wmi_pdev_set_param(ar,
1978                                                 ar->wmi.pdev_param->cal_period,
1979                                                 ar->debug.nf_cal_period);
1980                 if (ret)
1981                         /* not serious */
1982                         ath10k_warn(ar, "cal period cfg failed from debug start: %d\n",
1983                                     ret);
1984         }
1985
1986         return ret;
1987 }
1988
1989 void ath10k_debug_stop(struct ath10k *ar)
1990 {
1991         lockdep_assert_held(&ar->conf_mutex);
1992
1993         ath10k_debug_cal_data_fetch(ar);
1994
1995         /* Must not use _sync to avoid deadlock, we do that in
1996          * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
1997          * warning from del_timer().
1998          */
1999         if (ar->debug.htt_stats_mask != 0)
2000                 cancel_delayed_work(&ar->debug.htt_stats_dwork);
2001
2002         ath10k_wmi_pdev_pktlog_disable(ar);
2003 }
2004
2005 static ssize_t ath10k_write_simulate_radar(struct file *file,
2006                                            const char __user *user_buf,
2007                                            size_t count, loff_t *ppos)
2008 {
2009         struct ath10k *ar = file->private_data;
2010         struct ath10k_vif *arvif;
2011
2012         /* Just check for for the first vif alone, as all the vifs will be
2013          * sharing the same channel and if the channel is disabled, all the
2014          * vifs will share the same 'is_started' state.
2015          */
2016         arvif = list_first_entry(&ar->arvifs, typeof(*arvif), list);
2017         if (!arvif->is_started)
2018                 return -EINVAL;
2019
2020         ieee80211_radar_detected(ar->hw);
2021
2022         return count;
2023 }
2024
2025 static const struct file_operations fops_simulate_radar = {
2026         .write = ath10k_write_simulate_radar,
2027         .open = simple_open,
2028         .owner = THIS_MODULE,
2029         .llseek = default_llseek,
2030 };
2031
2032 #define ATH10K_DFS_STAT(s, p) (\
2033         len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
2034                          ar->debug.dfs_stats.p))
2035
2036 #define ATH10K_DFS_POOL_STAT(s, p) (\
2037         len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
2038                          ar->debug.dfs_pool_stats.p))
2039
2040 static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf,
2041                                      size_t count, loff_t *ppos)
2042 {
2043         int retval = 0, len = 0;
2044         const int size = 8000;
2045         struct ath10k *ar = file->private_data;
2046         char *buf;
2047
2048         buf = kzalloc(size, GFP_KERNEL);
2049         if (buf == NULL)
2050                 return -ENOMEM;
2051
2052         if (!ar->dfs_detector) {
2053                 len += scnprintf(buf + len, size - len, "DFS not enabled\n");
2054                 goto exit;
2055         }
2056
2057         ar->debug.dfs_pool_stats =
2058                         ar->dfs_detector->get_stats(ar->dfs_detector);
2059
2060         len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n");
2061
2062         ATH10K_DFS_STAT("reported phy errors", phy_errors);
2063         ATH10K_DFS_STAT("pulse events reported", pulses_total);
2064         ATH10K_DFS_STAT("DFS pulses detected", pulses_detected);
2065         ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded);
2066         ATH10K_DFS_STAT("Radars detected", radar_detected);
2067
2068         len += scnprintf(buf + len, size - len, "Global Pool statistics:\n");
2069         ATH10K_DFS_POOL_STAT("Pool references", pool_reference);
2070         ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated);
2071         ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error);
2072         ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used);
2073         ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated);
2074         ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error);
2075         ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used);
2076
2077 exit:
2078         if (len > size)
2079                 len = size;
2080
2081         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
2082         kfree(buf);
2083
2084         return retval;
2085 }
2086
2087 static const struct file_operations fops_dfs_stats = {
2088         .read = ath10k_read_dfs_stats,
2089         .open = simple_open,
2090         .owner = THIS_MODULE,
2091         .llseek = default_llseek,
2092 };
2093
2094 static ssize_t ath10k_write_pktlog_filter(struct file *file,
2095                                           const char __user *ubuf,
2096                                           size_t count, loff_t *ppos)
2097 {
2098         struct ath10k *ar = file->private_data;
2099         u32 filter;
2100         int ret;
2101
2102         if (kstrtouint_from_user(ubuf, count, 0, &filter))
2103                 return -EINVAL;
2104
2105         mutex_lock(&ar->conf_mutex);
2106
2107         if (ar->state != ATH10K_STATE_ON) {
2108                 ar->debug.pktlog_filter = filter;
2109                 ret = count;
2110                 goto out;
2111         }
2112
2113         if (filter == ar->debug.pktlog_filter) {
2114                 ret = count;
2115                 goto out;
2116         }
2117
2118         if (filter) {
2119                 ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
2120                 if (ret) {
2121                         ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n",
2122                                     ar->debug.pktlog_filter, ret);
2123                         goto out;
2124                 }
2125         } else {
2126                 ret = ath10k_wmi_pdev_pktlog_disable(ar);
2127                 if (ret) {
2128                         ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
2129                         goto out;
2130                 }
2131         }
2132
2133         ar->debug.pktlog_filter = filter;
2134         ret = count;
2135
2136 out:
2137         mutex_unlock(&ar->conf_mutex);
2138         return ret;
2139 }
2140
2141 static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf,
2142                                          size_t count, loff_t *ppos)
2143 {
2144         char buf[32];
2145         struct ath10k *ar = file->private_data;
2146         int len = 0;
2147
2148         mutex_lock(&ar->conf_mutex);
2149         len = scnprintf(buf, sizeof(buf) - len, "%08x\n",
2150                         ar->debug.pktlog_filter);
2151         mutex_unlock(&ar->conf_mutex);
2152
2153         return simple_read_from_buffer(ubuf, count, ppos, buf, len);
2154 }
2155
2156 static const struct file_operations fops_pktlog_filter = {
2157         .read = ath10k_read_pktlog_filter,
2158         .write = ath10k_write_pktlog_filter,
2159         .open = simple_open
2160 };
2161
2162 static ssize_t ath10k_write_quiet_period(struct file *file,
2163                                          const char __user *ubuf,
2164                                          size_t count, loff_t *ppos)
2165 {
2166         struct ath10k *ar = file->private_data;
2167         u32 period;
2168
2169         if (kstrtouint_from_user(ubuf, count, 0, &period))
2170                 return -EINVAL;
2171
2172         if (period < ATH10K_QUIET_PERIOD_MIN) {
2173                 ath10k_warn(ar, "Quiet period %u can not be lesser than 25ms\n",
2174                             period);
2175                 return -EINVAL;
2176         }
2177         mutex_lock(&ar->conf_mutex);
2178         ar->thermal.quiet_period = period;
2179         ath10k_thermal_set_throttling(ar);
2180         mutex_unlock(&ar->conf_mutex);
2181
2182         return count;
2183 }
2184
2185 static ssize_t ath10k_read_quiet_period(struct file *file, char __user *ubuf,
2186                                         size_t count, loff_t *ppos)
2187 {
2188         char buf[32];
2189         struct ath10k *ar = file->private_data;
2190         int len = 0;
2191
2192         mutex_lock(&ar->conf_mutex);
2193         len = scnprintf(buf, sizeof(buf) - len, "%d\n",
2194                         ar->thermal.quiet_period);
2195         mutex_unlock(&ar->conf_mutex);
2196
2197         return simple_read_from_buffer(ubuf, count, ppos, buf, len);
2198 }
2199
2200 static const struct file_operations fops_quiet_period = {
2201         .read = ath10k_read_quiet_period,
2202         .write = ath10k_write_quiet_period,
2203         .open = simple_open
2204 };
2205
2206 static ssize_t ath10k_write_btcoex(struct file *file,
2207                                    const char __user *ubuf,
2208                                    size_t count, loff_t *ppos)
2209 {
2210         struct ath10k *ar = file->private_data;
2211         char buf[32];
2212         size_t buf_size;
2213         int ret;
2214         bool val;
2215         u32 pdev_param;
2216
2217         buf_size = min(count, (sizeof(buf) - 1));
2218         if (copy_from_user(buf, ubuf, buf_size))
2219                 return -EFAULT;
2220
2221         buf[buf_size] = '\0';
2222
2223         if (strtobool(buf, &val) != 0)
2224                 return -EINVAL;
2225
2226         mutex_lock(&ar->conf_mutex);
2227
2228         if (ar->state != ATH10K_STATE_ON &&
2229             ar->state != ATH10K_STATE_RESTARTED) {
2230                 ret = -ENETDOWN;
2231                 goto exit;
2232         }
2233
2234         if (!(test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags) ^ val)) {
2235                 ret = count;
2236                 goto exit;
2237         }
2238
2239         pdev_param = ar->wmi.pdev_param->enable_btcoex;
2240         if (test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
2241                      ar->running_fw->fw_file.fw_features)) {
2242                 ret = ath10k_wmi_pdev_set_param(ar, pdev_param, val);
2243                 if (ret) {
2244                         ath10k_warn(ar, "failed to enable btcoex: %d\n", ret);
2245                         ret = count;
2246                         goto exit;
2247                 }
2248         } else {
2249                 ath10k_info(ar, "restarting firmware due to btcoex change");
2250                 queue_work(ar->workqueue, &ar->restart_work);
2251         }
2252
2253         if (val)
2254                 set_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags);
2255         else
2256                 clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags);
2257
2258         ret = count;
2259
2260 exit:
2261         mutex_unlock(&ar->conf_mutex);
2262
2263         return ret;
2264 }
2265
2266 static ssize_t ath10k_read_btcoex(struct file *file, char __user *ubuf,
2267                                   size_t count, loff_t *ppos)
2268 {
2269         char buf[32];
2270         struct ath10k *ar = file->private_data;
2271         int len = 0;
2272
2273         mutex_lock(&ar->conf_mutex);
2274         len = scnprintf(buf, sizeof(buf) - len, "%d\n",
2275                         test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags));
2276         mutex_unlock(&ar->conf_mutex);
2277
2278         return simple_read_from_buffer(ubuf, count, ppos, buf, len);
2279 }
2280
2281 static const struct file_operations fops_btcoex = {
2282         .read = ath10k_read_btcoex,
2283         .write = ath10k_write_btcoex,
2284         .open = simple_open
2285 };
2286
2287 static ssize_t ath10k_write_peer_stats(struct file *file,
2288                                        const char __user *ubuf,
2289                                        size_t count, loff_t *ppos)
2290 {
2291         struct ath10k *ar = file->private_data;
2292         char buf[32];
2293         size_t buf_size;
2294         int ret;
2295         bool val;
2296
2297         buf_size = min(count, (sizeof(buf) - 1));
2298         if (copy_from_user(buf, ubuf, buf_size))
2299                 return -EFAULT;
2300
2301         buf[buf_size] = '\0';
2302
2303         if (strtobool(buf, &val) != 0)
2304                 return -EINVAL;
2305
2306         mutex_lock(&ar->conf_mutex);
2307
2308         if (ar->state != ATH10K_STATE_ON &&
2309             ar->state != ATH10K_STATE_RESTARTED) {
2310                 ret = -ENETDOWN;
2311                 goto exit;
2312         }
2313
2314         if (!(test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) ^ val)) {
2315                 ret = count;
2316                 goto exit;
2317         }
2318
2319         if (val)
2320                 set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
2321         else
2322                 clear_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
2323
2324         ath10k_info(ar, "restarting firmware due to Peer stats change");
2325
2326         queue_work(ar->workqueue, &ar->restart_work);
2327         ret = count;
2328
2329 exit:
2330         mutex_unlock(&ar->conf_mutex);
2331         return ret;
2332 }
2333
2334 static ssize_t ath10k_read_peer_stats(struct file *file, char __user *ubuf,
2335                                       size_t count, loff_t *ppos)
2336
2337 {
2338         char buf[32];
2339         struct ath10k *ar = file->private_data;
2340         int len = 0;
2341
2342         mutex_lock(&ar->conf_mutex);
2343         len = scnprintf(buf, sizeof(buf) - len, "%d\n",
2344                         test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags));
2345         mutex_unlock(&ar->conf_mutex);
2346
2347         return simple_read_from_buffer(ubuf, count, ppos, buf, len);
2348 }
2349
2350 static const struct file_operations fops_peer_stats = {
2351         .read = ath10k_read_peer_stats,
2352         .write = ath10k_write_peer_stats,
2353         .open = simple_open
2354 };
2355
2356 static ssize_t ath10k_debug_fw_checksums_read(struct file *file,
2357                                               char __user *user_buf,
2358                                               size_t count, loff_t *ppos)
2359 {
2360         struct ath10k *ar = file->private_data;
2361         size_t len = 0, buf_len = 4096;
2362         ssize_t ret_cnt;
2363         char *buf;
2364
2365         buf = kzalloc(buf_len, GFP_KERNEL);
2366         if (!buf)
2367                 return -ENOMEM;
2368
2369         mutex_lock(&ar->conf_mutex);
2370
2371         len += scnprintf(buf + len, buf_len - len,
2372                          "firmware-N.bin\t\t%08x\n",
2373                          crc32_le(0, ar->normal_mode_fw.fw_file.firmware->data,
2374                                   ar->normal_mode_fw.fw_file.firmware->size));
2375         len += scnprintf(buf + len, buf_len - len,
2376                          "athwlan\t\t\t%08x\n",
2377                          crc32_le(0, ar->normal_mode_fw.fw_file.firmware_data,
2378                                   ar->normal_mode_fw.fw_file.firmware_len));
2379         len += scnprintf(buf + len, buf_len - len,
2380                          "otp\t\t\t%08x\n",
2381                          crc32_le(0, ar->normal_mode_fw.fw_file.otp_data,
2382                                   ar->normal_mode_fw.fw_file.otp_len));
2383         len += scnprintf(buf + len, buf_len - len,
2384                          "codeswap\t\t%08x\n",
2385                          crc32_le(0, ar->normal_mode_fw.fw_file.codeswap_data,
2386                                   ar->normal_mode_fw.fw_file.codeswap_len));
2387         len += scnprintf(buf + len, buf_len - len,
2388                          "board-N.bin\t\t%08x\n",
2389                          crc32_le(0, ar->normal_mode_fw.board->data,
2390                                   ar->normal_mode_fw.board->size));
2391         len += scnprintf(buf + len, buf_len - len,
2392                          "board\t\t\t%08x\n",
2393                          crc32_le(0, ar->normal_mode_fw.board_data,
2394                                   ar->normal_mode_fw.board_len));
2395
2396         ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
2397
2398         mutex_unlock(&ar->conf_mutex);
2399
2400         kfree(buf);
2401         return ret_cnt;
2402 }
2403
2404 static const struct file_operations fops_fw_checksums = {
2405         .read = ath10k_debug_fw_checksums_read,
2406         .open = simple_open,
2407         .owner = THIS_MODULE,
2408         .llseek = default_llseek,
2409 };
2410
2411 int ath10k_debug_create(struct ath10k *ar)
2412 {
2413         ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data));
2414         if (!ar->debug.fw_crash_data)
2415                 return -ENOMEM;
2416
2417         ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN);
2418         if (!ar->debug.cal_data)
2419                 return -ENOMEM;
2420
2421         INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs);
2422         INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs);
2423         INIT_LIST_HEAD(&ar->debug.fw_stats.peers);
2424         INIT_LIST_HEAD(&ar->debug.fw_stats.peers_extd);
2425
2426         return 0;
2427 }
2428
2429 void ath10k_debug_destroy(struct ath10k *ar)
2430 {
2431         vfree(ar->debug.fw_crash_data);
2432         ar->debug.fw_crash_data = NULL;
2433
2434         vfree(ar->debug.cal_data);
2435         ar->debug.cal_data = NULL;
2436
2437         ath10k_debug_fw_stats_reset(ar);
2438
2439         kfree(ar->debug.tpc_stats);
2440 }
2441
2442 int ath10k_debug_register(struct ath10k *ar)
2443 {
2444         ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
2445                                                    ar->hw->wiphy->debugfsdir);
2446         if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
2447                 if (IS_ERR(ar->debug.debugfs_phy))
2448                         return PTR_ERR(ar->debug.debugfs_phy);
2449
2450                 return -ENOMEM;
2451         }
2452
2453         INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
2454                           ath10k_debug_htt_stats_dwork);
2455
2456         init_completion(&ar->debug.tpc_complete);
2457         init_completion(&ar->debug.fw_stats_complete);
2458
2459         debugfs_create_file("fw_stats", 0400, ar->debug.debugfs_phy, ar,
2460                             &fops_fw_stats);
2461
2462         debugfs_create_file("fw_reset_stats", 0400, ar->debug.debugfs_phy, ar,
2463                             &fops_fw_reset_stats);
2464
2465         debugfs_create_file("wmi_services", 0400, ar->debug.debugfs_phy, ar,
2466                             &fops_wmi_services);
2467
2468         debugfs_create_file("simulate_fw_crash", 0600, ar->debug.debugfs_phy, ar,
2469                             &fops_simulate_fw_crash);
2470
2471         debugfs_create_file("fw_crash_dump", 0400, ar->debug.debugfs_phy, ar,
2472                             &fops_fw_crash_dump);
2473
2474         debugfs_create_file("reg_addr", 0600, ar->debug.debugfs_phy, ar,
2475                             &fops_reg_addr);
2476
2477         debugfs_create_file("reg_value", 0600, ar->debug.debugfs_phy, ar,
2478                             &fops_reg_value);
2479
2480         debugfs_create_file("mem_value", 0600, ar->debug.debugfs_phy, ar,
2481                             &fops_mem_value);
2482
2483         debugfs_create_file("chip_id", 0400, ar->debug.debugfs_phy, ar,
2484                             &fops_chip_id);
2485
2486         debugfs_create_file("htt_stats_mask", 0600, ar->debug.debugfs_phy, ar,
2487                             &fops_htt_stats_mask);
2488
2489         debugfs_create_file("htt_max_amsdu_ampdu", 0600, ar->debug.debugfs_phy, ar,
2490                             &fops_htt_max_amsdu_ampdu);
2491
2492         debugfs_create_file("fw_dbglog", 0600, ar->debug.debugfs_phy, ar,
2493                             &fops_fw_dbglog);
2494
2495         debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar,
2496                             &fops_cal_data);
2497
2498         debugfs_create_file("ani_enable", 0600, ar->debug.debugfs_phy, ar,
2499                             &fops_ani_enable);
2500
2501         debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar,
2502                             &fops_nf_cal_period);
2503
2504         if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) {
2505                 debugfs_create_file("dfs_simulate_radar", 0200, ar->debug.debugfs_phy,
2506                                     ar, &fops_simulate_radar);
2507
2508                 debugfs_create_bool("dfs_block_radar_events", 0200,
2509                                     ar->debug.debugfs_phy,
2510                                     &ar->dfs_block_radar_events);
2511
2512                 debugfs_create_file("dfs_stats", 0400, ar->debug.debugfs_phy, ar,
2513                                     &fops_dfs_stats);
2514         }
2515
2516         debugfs_create_file("pktlog_filter", 0644, ar->debug.debugfs_phy, ar,
2517                             &fops_pktlog_filter);
2518
2519         debugfs_create_file("quiet_period", 0644, ar->debug.debugfs_phy, ar,
2520                             &fops_quiet_period);
2521
2522         debugfs_create_file("tpc_stats", 0400, ar->debug.debugfs_phy, ar,
2523                             &fops_tpc_stats);
2524
2525         if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map))
2526                 debugfs_create_file("btcoex", 0644, ar->debug.debugfs_phy, ar,
2527                                     &fops_btcoex);
2528
2529         if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map))
2530                 debugfs_create_file("peer_stats", 0644, ar->debug.debugfs_phy, ar,
2531                                     &fops_peer_stats);
2532
2533         debugfs_create_file("fw_checksums", 0400, ar->debug.debugfs_phy, ar,
2534                             &fops_fw_checksums);
2535
2536         return 0;
2537 }
2538
2539 void ath10k_debug_unregister(struct ath10k *ar)
2540 {
2541         cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
2542 }
2543
2544 #endif /* CONFIG_ATH10K_DEBUGFS */
2545
2546 #ifdef CONFIG_ATH10K_DEBUG
2547 void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask,
2548                 const char *fmt, ...)
2549 {
2550         struct va_format vaf;
2551         va_list args;
2552
2553         va_start(args, fmt);
2554
2555         vaf.fmt = fmt;
2556         vaf.va = &args;
2557
2558         if (ath10k_debug_mask & mask)
2559                 dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
2560
2561         trace_ath10k_log_dbg(ar, mask, &vaf);
2562
2563         va_end(args);
2564 }
2565 EXPORT_SYMBOL(ath10k_dbg);
2566
2567 void ath10k_dbg_dump(struct ath10k *ar,
2568                      enum ath10k_debug_mask mask,
2569                      const char *msg, const char *prefix,
2570                      const void *buf, size_t len)
2571 {
2572         char linebuf[256];
2573         size_t linebuflen;
2574         const void *ptr;
2575
2576         if (ath10k_debug_mask & mask) {
2577                 if (msg)
2578                         ath10k_dbg(ar, mask, "%s\n", msg);
2579
2580                 for (ptr = buf; (ptr - buf) < len; ptr += 16) {
2581                         linebuflen = 0;
2582                         linebuflen += scnprintf(linebuf + linebuflen,
2583                                                 sizeof(linebuf) - linebuflen,
2584                                                 "%s%08x: ",
2585                                                 (prefix ? prefix : ""),
2586                                                 (unsigned int)(ptr - buf));
2587                         hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1,
2588                                            linebuf + linebuflen,
2589                                            sizeof(linebuf) - linebuflen, true);
2590                         dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf);
2591                 }
2592         }
2593
2594         /* tracing code doesn't like null strings :/ */
2595         trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "",
2596                                   buf, len);
2597 }
2598 EXPORT_SYMBOL(ath10k_dbg_dump);
2599
2600 #endif /* CONFIG_ATH10K_DEBUG */