drivers/net/wireless/ti/wlcore/debugfs.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * This file is part of wl1271
   4  *
   5  * Copyright (C) 2009 Nokia Corporation
   6  *
   7  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
   8  */
   9
  10 #include "debugfs.h"
  11
  12 #include <linux/skbuff.h>
  13 #include <linux/slab.h>
  14 #include <linux/module.h>
  15 #include <linux/pm_runtime.h>
  16
  17 #include "wlcore.h"
  18 #include "debug.h"
  19 #include "acx.h"
  20 #include "ps.h"
  21 #include "io.h"
  22 #include "tx.h"
  23 #include "hw_ops.h"
  24
  25 /* ms */
  26 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
  27
  28 #define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
  29
  30 /* debugfs macros idea from mac80211 */
  31 int wl1271_format_buffer(char __user *userbuf, size_t count,
  32                          loff_t *ppos, char *fmt, ...)
  33 {
  34         va_list args;
  35         char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
  36         int res;
  37
  38         va_start(args, fmt);
  39         res = vscnprintf(buf, sizeof(buf), fmt, args);
  40         va_end(args);
  41
  42         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
  43 }
  44 EXPORT_SYMBOL_GPL(wl1271_format_buffer);
  45
  46 void wl1271_debugfs_update_stats(struct wl1271 *wl)
  47 {
  48         int ret;
  49
  50         mutex_lock(&wl->mutex);
  51
  52         if (unlikely(wl->state != WLCORE_STATE_ON))
  53                 goto out;
  54
  55         ret = pm_runtime_resume_and_get(wl->dev);
  56         if (ret < 0)
  57                 goto out;
  58
  59         if (!wl->plt &&
  60             time_after(jiffies, wl->stats.fw_stats_update +
  61                        msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
  62                 wl1271_acx_statistics(wl, wl->stats.fw_stats);
  63                 wl->stats.fw_stats_update = jiffies;
  64         }
  65
  66         pm_runtime_mark_last_busy(wl->dev);
  67         pm_runtime_put_autosuspend(wl->dev);
  68
  69 out:
  70         mutex_unlock(&wl->mutex);
  71 }
  72 EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
  73
  74 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
  75 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
  76                       wl->stats.excessive_retries);
  77
  78 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
  79                                  size_t count, loff_t *ppos)
  80 {
  81         struct wl1271 *wl = file->private_data;
  82         u32 queue_len;
  83         char buf[20];
  84         int res;
  85
  86         queue_len = wl1271_tx_total_queue_count(wl);
  87
  88         res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
  89         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
  90 }
  91
  92 static const struct file_operations tx_queue_len_ops = {
  93         .read = tx_queue_len_read,
  94         .open = simple_open,
  95         .llseek = default_llseek,
  96 };
  97
  98 static void chip_op_handler(struct wl1271 *wl, unsigned long value,
  99                             void *arg)
 100 {
 101         int ret;
 102         int (*chip_op) (struct wl1271 *wl);
 103
 104         if (!arg) {
 105                 wl1271_warning("debugfs chip_op_handler with no callback");
 106                 return;
 107         }
 108
 109         ret = pm_runtime_resume_and_get(wl->dev);
 110         if (ret < 0)
 111                 return;
 112
 113         chip_op = arg;
 114         chip_op(wl);
 115
 116         pm_runtime_mark_last_busy(wl->dev);
 117         pm_runtime_put_autosuspend(wl->dev);
 118 }
 119
 120 #define WL12XX_CONF_DEBUGFS(param, conf_sub_struct,                     \
 121                             min_val, max_val, write_handler_locked,     \
 122                             write_handler_arg)                          \
 123         static ssize_t param##_read(struct file *file,                  \
 124                                       char __user *user_buf,            \
 125                                       size_t count, loff_t *ppos)       \
 126         {                                                               \
 127         struct wl1271 *wl = file->private_data;                         \
 128         return wl1271_format_buffer(user_buf, count,                    \
 129                                     ppos, "%d\n",                       \
 130                                     wl->conf.conf_sub_struct.param);    \
 131         }                                                               \
 132                                                                         \
 133         static ssize_t param##_write(struct file *file,                 \
 134                                      const char __user *user_buf,       \
 135                                      size_t count, loff_t *ppos)        \
 136         {                                                               \
 137         struct wl1271 *wl = file->private_data;                         \
 138         unsigned long value;                                            \
 139         int ret;                                                        \
 140                                                                         \
 141         ret = kstrtoul_from_user(user_buf, count, 10, &value);          \
 142         if (ret < 0) {                                                  \
 143                 wl1271_warning("illegal value for " #param);            \
 144                 return -EINVAL;                                         \
 145         }                                                               \
 146                                                                         \
 147         if (value < min_val || value > max_val) {                       \
 148                 wl1271_warning(#param " is not in valid range");        \
 149                 return -ERANGE;                                         \
 150         }                                                               \
 151                                                                         \
 152         mutex_lock(&wl->mutex);                                         \
 153         wl->conf.conf_sub_struct.param = value;                         \
 154                                                                         \
 155         write_handler_locked(wl, value, write_handler_arg);             \
 156                                                                         \
 157         mutex_unlock(&wl->mutex);                                       \
 158         return count;                                                   \
 159         }                                                               \
 160                                                                         \
 161         static const struct file_operations param##_ops = {             \
 162                 .read = param##_read,                                   \
 163                 .write = param##_write,                                 \
 164                 .open = simple_open,                                    \
 165                 .llseek = default_llseek,                               \
 166         };
 167
 168 WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
 169                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 170 WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
 171                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 172 WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
 173                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 174
 175 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
 176                           size_t count, loff_t *ppos)
 177 {
 178         struct wl1271 *wl = file->private_data;
 179         bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 180
 181         int res;
 182         char buf[10];
 183
 184         res = scnprintf(buf, sizeof(buf), "%d\n", state);
 185
 186         return simple_read_from_buffer(user_buf, count, ppos, buf, res);
 187 }
 188
 189 static ssize_t gpio_power_write(struct file *file,
 190                            const char __user *user_buf,
 191                            size_t count, loff_t *ppos)
 192 {
 193         struct wl1271 *wl = file->private_data;
 194         unsigned long value;
 195         int ret;
 196
 197         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 198         if (ret < 0) {
 199                 wl1271_warning("illegal value in gpio_power");
 200                 return -EINVAL;
 201         }
 202
 203         mutex_lock(&wl->mutex);
 204
 205         if (value)
 206                 wl1271_power_on(wl);
 207         else
 208                 wl1271_power_off(wl);
 209
 210         mutex_unlock(&wl->mutex);
 211         return count;
 212 }
 213
 214 static const struct file_operations gpio_power_ops = {
 215         .read = gpio_power_read,
 216         .write = gpio_power_write,
 217         .open = simple_open,
 218         .llseek = default_llseek,
 219 };
 220
 221 static ssize_t start_recovery_write(struct file *file,
 222                                     const char __user *user_buf,
 223                                     size_t count, loff_t *ppos)
 224 {
 225         struct wl1271 *wl = file->private_data;
 226
 227         mutex_lock(&wl->mutex);
 228         wl12xx_queue_recovery_work(wl);
 229         mutex_unlock(&wl->mutex);
 230
 231         return count;
 232 }
 233
 234 static const struct file_operations start_recovery_ops = {
 235         .write = start_recovery_write,
 236         .open = simple_open,
 237         .llseek = default_llseek,
 238 };
 239
 240 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
 241                           size_t count, loff_t *ppos)
 242 {
 243         struct wl1271 *wl = file->private_data;
 244
 245         return wl1271_format_buffer(user_buf, count,
 246                                     ppos, "%d\n",
 247                                     wl->conf.conn.dynamic_ps_timeout);
 248 }
 249
 250 static ssize_t dynamic_ps_timeout_write(struct file *file,
 251                                     const char __user *user_buf,
 252                                     size_t count, loff_t *ppos)
 253 {
 254         struct wl1271 *wl = file->private_data;
 255         struct wl12xx_vif *wlvif;
 256         unsigned long value;
 257         int ret;
 258
 259         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 260         if (ret < 0) {
 261                 wl1271_warning("illegal value in dynamic_ps");
 262                 return -EINVAL;
 263         }
 264
 265         if (value < 1 || value > 65535) {
 266                 wl1271_warning("dynamic_ps_timeout is not in valid range");
 267                 return -ERANGE;
 268         }
 269
 270         mutex_lock(&wl->mutex);
 271
 272         wl->conf.conn.dynamic_ps_timeout = value;
 273
 274         if (unlikely(wl->state != WLCORE_STATE_ON))
 275                 goto out;
 276
 277         ret = pm_runtime_resume_and_get(wl->dev);
 278         if (ret < 0)
 279                 goto out;
 280
 281         /* In case we're already in PSM, trigger it again to set new timeout
 282          * immediately without waiting for re-association
 283          */
 284
 285         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 286                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 287                         wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
 288         }
 289
 290         pm_runtime_mark_last_busy(wl->dev);
 291         pm_runtime_put_autosuspend(wl->dev);
 292
 293 out:
 294         mutex_unlock(&wl->mutex);
 295         return count;
 296 }
 297
 298 static const struct file_operations dynamic_ps_timeout_ops = {
 299         .read = dynamic_ps_timeout_read,
 300         .write = dynamic_ps_timeout_write,
 301         .open = simple_open,
 302         .llseek = default_llseek,
 303 };
 304
 305 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
 306                           size_t count, loff_t *ppos)
 307 {
 308         struct wl1271 *wl = file->private_data;
 309
 310         return wl1271_format_buffer(user_buf, count,
 311                                     ppos, "%d\n",
 312                                     wl->conf.conn.forced_ps);
 313 }
 314
 315 static ssize_t forced_ps_write(struct file *file,
 316                                     const char __user *user_buf,
 317                                     size_t count, loff_t *ppos)
 318 {
 319         struct wl1271 *wl = file->private_data;
 320         struct wl12xx_vif *wlvif;
 321         unsigned long value;
 322         int ret, ps_mode;
 323
 324         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 325         if (ret < 0) {
 326                 wl1271_warning("illegal value in forced_ps");
 327                 return -EINVAL;
 328         }
 329
 330         if (value != 1 && value != 0) {
 331                 wl1271_warning("forced_ps should be either 0 or 1");
 332                 return -ERANGE;
 333         }
 334
 335         mutex_lock(&wl->mutex);
 336
 337         if (wl->conf.conn.forced_ps == value)
 338                 goto out;
 339
 340         wl->conf.conn.forced_ps = value;
 341
 342         if (unlikely(wl->state != WLCORE_STATE_ON))
 343                 goto out;
 344
 345         ret = pm_runtime_resume_and_get(wl->dev);
 346         if (ret < 0)
 347                 goto out;
 348
 349         /* In case we're already in PSM, trigger it again to switch mode
 350          * immediately without waiting for re-association
 351          */
 352
 353         ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
 354
 355         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 356                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 357                         wl1271_ps_set_mode(wl, wlvif, ps_mode);
 358         }
 359
 360         pm_runtime_mark_last_busy(wl->dev);
 361         pm_runtime_put_autosuspend(wl->dev);
 362
 363 out:
 364         mutex_unlock(&wl->mutex);
 365         return count;
 366 }
 367
 368 static const struct file_operations forced_ps_ops = {
 369         .read = forced_ps_read,
 370         .write = forced_ps_write,
 371         .open = simple_open,
 372         .llseek = default_llseek,
 373 };
 374
 375 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
 376                           size_t count, loff_t *ppos)
 377 {
 378         struct wl1271 *wl = file->private_data;
 379
 380         return wl1271_format_buffer(user_buf, count,
 381                                     ppos, "%d\n",
 382                                     wl->conf.scan.split_scan_timeout / 1000);
 383 }
 384
 385 static ssize_t split_scan_timeout_write(struct file *file,
 386                                     const char __user *user_buf,
 387                                     size_t count, loff_t *ppos)
 388 {
 389         struct wl1271 *wl = file->private_data;
 390         unsigned long value;
 391         int ret;
 392
 393         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 394         if (ret < 0) {
 395                 wl1271_warning("illegal value in split_scan_timeout");
 396                 return -EINVAL;
 397         }
 398
 399         if (value == 0)
 400                 wl1271_info("split scan will be disabled");
 401
 402         mutex_lock(&wl->mutex);
 403
 404         wl->conf.scan.split_scan_timeout = value * 1000;
 405
 406         mutex_unlock(&wl->mutex);
 407         return count;
 408 }
 409
 410 static const struct file_operations split_scan_timeout_ops = {
 411         .read = split_scan_timeout_read,
 412         .write = split_scan_timeout_write,
 413         .open = simple_open,
 414         .llseek = default_llseek,
 415 };
 416
 417 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
 418                                  size_t count, loff_t *ppos)
 419 {
 420         struct wl1271 *wl = file->private_data;
 421         int res = 0;
 422         ssize_t ret;
 423         char *buf;
 424         struct wl12xx_vif *wlvif;
 425
 426 #define DRIVER_STATE_BUF_LEN 1024
 427
 428         buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
 429         if (!buf)
 430                 return -ENOMEM;
 431
 432         mutex_lock(&wl->mutex);
 433
 434 #define DRIVER_STATE_PRINT(x, fmt)   \
 435         (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
 436                           #x " = " fmt "\n", wl->x))
 437
 438 #define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...)   \
 439         (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
 440                           #x " = " fmt "\n", args))
 441
 442 #define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
 443 #define DRIVER_STATE_PRINT_INT(x)  DRIVER_STATE_PRINT(x, "%d")
 444 #define DRIVER_STATE_PRINT_STR(x)  DRIVER_STATE_PRINT(x, "%s")
 445 #define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
 446 #define DRIVER_STATE_PRINT_HEX(x)  DRIVER_STATE_PRINT(x, "0x%x")
 447
 448         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 449                 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
 450                         continue;
 451
 452                 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
 453                                            wlvif->p2p ? "P2P-CL" : "STA");
 454         }
 455
 456         wl12xx_for_each_wlvif_ap(wl, wlvif)
 457                 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
 458                                            wlvif->p2p ? "P2P-GO" : "AP");
 459
 460         DRIVER_STATE_PRINT_INT(tx_blocks_available);
 461         DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
 462         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
 463         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
 464         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
 465         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
 466         DRIVER_STATE_PRINT_INT(tx_frames_cnt);
 467         DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
 468         DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
 469         DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
 470         DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
 471         DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
 472         DRIVER_STATE_PRINT_INT(tx_packets_count);
 473         DRIVER_STATE_PRINT_INT(tx_results_count);
 474         DRIVER_STATE_PRINT_LHEX(flags);
 475         DRIVER_STATE_PRINT_INT(tx_blocks_freed);
 476         DRIVER_STATE_PRINT_INT(rx_counter);
 477         DRIVER_STATE_PRINT_INT(state);
 478         DRIVER_STATE_PRINT_INT(band);
 479         DRIVER_STATE_PRINT_INT(power_level);
 480         DRIVER_STATE_PRINT_INT(sg_enabled);
 481         DRIVER_STATE_PRINT_INT(enable_11a);
 482         DRIVER_STATE_PRINT_INT(noise);
 483         DRIVER_STATE_PRINT_LHEX(ap_fw_ps_map);
 484         DRIVER_STATE_PRINT_LHEX(ap_ps_map);
 485         DRIVER_STATE_PRINT_HEX(quirks);
 486         DRIVER_STATE_PRINT_HEX(irq);
 487         /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */
 488         DRIVER_STATE_PRINT_HEX(hw_pg_ver);
 489         DRIVER_STATE_PRINT_HEX(irq_flags);
 490         DRIVER_STATE_PRINT_HEX(chip.id);
 491         DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
 492         DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str);
 493         DRIVER_STATE_PRINT_INT(recovery_count);
 494
 495 #undef DRIVER_STATE_PRINT_INT
 496 #undef DRIVER_STATE_PRINT_LONG
 497 #undef DRIVER_STATE_PRINT_HEX
 498 #undef DRIVER_STATE_PRINT_LHEX
 499 #undef DRIVER_STATE_PRINT_STR
 500 #undef DRIVER_STATE_PRINT
 501 #undef DRIVER_STATE_BUF_LEN
 502
 503         mutex_unlock(&wl->mutex);
 504
 505         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 506         kfree(buf);
 507         return ret;
 508 }
 509
 510 static const struct file_operations driver_state_ops = {
 511         .read = driver_state_read,
 512         .open = simple_open,
 513         .llseek = default_llseek,
 514 };
 515
 516 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
 517                                  size_t count, loff_t *ppos)
 518 {
 519         struct wl1271 *wl = file->private_data;
 520         struct wl12xx_vif *wlvif;
 521         int ret, res = 0;
 522         const int buf_size = 4096;
 523         char *buf;
 524         char tmp_buf[64];
 525
 526         buf = kzalloc(buf_size, GFP_KERNEL);
 527         if (!buf)
 528                 return -ENOMEM;
 529
 530         mutex_lock(&wl->mutex);
 531
 532 #define VIF_STATE_PRINT(x, fmt)                         \
 533         (res += scnprintf(buf + res, buf_size - res,    \
 534                           #x " = " fmt "\n", wlvif->x))
 535
 536 #define VIF_STATE_PRINT_LONG(x)  VIF_STATE_PRINT(x, "%ld")
 537 #define VIF_STATE_PRINT_INT(x)   VIF_STATE_PRINT(x, "%d")
 538 #define VIF_STATE_PRINT_STR(x)   VIF_STATE_PRINT(x, "%s")
 539 #define VIF_STATE_PRINT_LHEX(x)  VIF_STATE_PRINT(x, "0x%lx")
 540 #define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
 541 #define VIF_STATE_PRINT_HEX(x)   VIF_STATE_PRINT(x, "0x%x")
 542
 543 #define VIF_STATE_PRINT_NSTR(x, len)                            \
 544         do {                                                    \
 545                 memset(tmp_buf, 0, sizeof(tmp_buf));            \
 546                 memcpy(tmp_buf, wlvif->x,                       \
 547                        min_t(u8, len, sizeof(tmp_buf) - 1));    \
 548                 res += scnprintf(buf + res, buf_size - res,     \
 549                                  #x " = %s\n", tmp_buf);        \
 550         } while (0)
 551
 552         wl12xx_for_each_wlvif(wl, wlvif) {
 553                 VIF_STATE_PRINT_INT(role_id);
 554                 VIF_STATE_PRINT_INT(bss_type);
 555                 VIF_STATE_PRINT_LHEX(flags);
 556                 VIF_STATE_PRINT_INT(p2p);
 557                 VIF_STATE_PRINT_INT(dev_role_id);
 558                 VIF_STATE_PRINT_INT(dev_hlid);
 559
 560                 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
 561                     wlvif->bss_type == BSS_TYPE_IBSS) {
 562                         VIF_STATE_PRINT_INT(sta.hlid);
 563                         VIF_STATE_PRINT_INT(sta.basic_rate_idx);
 564                         VIF_STATE_PRINT_INT(sta.ap_rate_idx);
 565                         VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
 566                         VIF_STATE_PRINT_INT(sta.qos);
 567                 } else {
 568                         VIF_STATE_PRINT_INT(ap.global_hlid);
 569                         VIF_STATE_PRINT_INT(ap.bcast_hlid);
 570                         VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
 571                         VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
 572                         VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
 573                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
 574                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
 575                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
 576                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
 577                 }
 578                 VIF_STATE_PRINT_INT(last_tx_hlid);
 579                 VIF_STATE_PRINT_INT(tx_queue_count[0]);
 580                 VIF_STATE_PRINT_INT(tx_queue_count[1]);
 581                 VIF_STATE_PRINT_INT(tx_queue_count[2]);
 582                 VIF_STATE_PRINT_INT(tx_queue_count[3]);
 583                 VIF_STATE_PRINT_LHEX(links_map[0]);
 584                 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
 585                 VIF_STATE_PRINT_INT(band);
 586                 VIF_STATE_PRINT_INT(channel);
 587                 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
 588                 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
 589                 VIF_STATE_PRINT_HEX(basic_rate_set);
 590                 VIF_STATE_PRINT_HEX(basic_rate);
 591                 VIF_STATE_PRINT_HEX(rate_set);
 592                 VIF_STATE_PRINT_INT(beacon_int);
 593                 VIF_STATE_PRINT_INT(default_key);
 594                 VIF_STATE_PRINT_INT(aid);
 595                 VIF_STATE_PRINT_INT(psm_entry_retry);
 596                 VIF_STATE_PRINT_INT(power_level);
 597                 VIF_STATE_PRINT_INT(rssi_thold);
 598                 VIF_STATE_PRINT_INT(last_rssi_event);
 599                 VIF_STATE_PRINT_INT(ba_support);
 600                 VIF_STATE_PRINT_INT(ba_allowed);
 601                 VIF_STATE_PRINT_LLHEX(total_freed_pkts);
 602         }
 603
 604 #undef VIF_STATE_PRINT_INT
 605 #undef VIF_STATE_PRINT_LONG
 606 #undef VIF_STATE_PRINT_HEX
 607 #undef VIF_STATE_PRINT_LHEX
 608 #undef VIF_STATE_PRINT_LLHEX
 609 #undef VIF_STATE_PRINT_STR
 610 #undef VIF_STATE_PRINT_NSTR
 611 #undef VIF_STATE_PRINT
 612
 613         mutex_unlock(&wl->mutex);
 614
 615         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 616         kfree(buf);
 617         return ret;
 618 }
 619
 620 static const struct file_operations vifs_state_ops = {
 621         .read = vifs_state_read,
 622         .open = simple_open,
 623         .llseek = default_llseek,
 624 };
 625
 626 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
 627                                   size_t count, loff_t *ppos)
 628 {
 629         struct wl1271 *wl = file->private_data;
 630         u8 value;
 631
 632         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 633             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 634                 value = wl->conf.conn.listen_interval;
 635         else
 636                 value = 0;
 637
 638         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 639 }
 640
 641 static ssize_t dtim_interval_write(struct file *file,
 642                                    const char __user *user_buf,
 643                                    size_t count, loff_t *ppos)
 644 {
 645         struct wl1271 *wl = file->private_data;
 646         unsigned long value;
 647         int ret;
 648
 649         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 650         if (ret < 0) {
 651                 wl1271_warning("illegal value for dtim_interval");
 652                 return -EINVAL;
 653         }
 654
 655         if (value < 1 || value > 10) {
 656                 wl1271_warning("dtim value is not in valid range");
 657                 return -ERANGE;
 658         }
 659
 660         mutex_lock(&wl->mutex);
 661
 662         wl->conf.conn.listen_interval = value;
 663         /* for some reason there are different event types for 1 and >1 */
 664         if (value == 1)
 665                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 666         else
 667                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 668
 669         /*
 670          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 671          * take effect on the next time we enter psm.
 672          */
 673         mutex_unlock(&wl->mutex);
 674         return count;
 675 }
 676
 677 static const struct file_operations dtim_interval_ops = {
 678         .read = dtim_interval_read,
 679         .write = dtim_interval_write,
 680         .open = simple_open,
 681         .llseek = default_llseek,
 682 };
 683
 684
 685
 686 static ssize_t suspend_dtim_interval_read(struct file *file,
 687                                           char __user *user_buf,
 688                                           size_t count, loff_t *ppos)
 689 {
 690         struct wl1271 *wl = file->private_data;
 691         u8 value;
 692
 693         if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 694             wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 695                 value = wl->conf.conn.suspend_listen_interval;
 696         else
 697                 value = 0;
 698
 699         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 700 }
 701
 702 static ssize_t suspend_dtim_interval_write(struct file *file,
 703                                            const char __user *user_buf,
 704                                            size_t count, loff_t *ppos)
 705 {
 706         struct wl1271 *wl = file->private_data;
 707         unsigned long value;
 708         int ret;
 709
 710         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 711         if (ret < 0) {
 712                 wl1271_warning("illegal value for suspend_dtim_interval");
 713                 return -EINVAL;
 714         }
 715
 716         if (value < 1 || value > 10) {
 717                 wl1271_warning("suspend_dtim value is not in valid range");
 718                 return -ERANGE;
 719         }
 720
 721         mutex_lock(&wl->mutex);
 722
 723         wl->conf.conn.suspend_listen_interval = value;
 724         /* for some reason there are different event types for 1 and >1 */
 725         if (value == 1)
 726                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 727         else
 728                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 729
 730         mutex_unlock(&wl->mutex);
 731         return count;
 732 }
 733
 734
 735 static const struct file_operations suspend_dtim_interval_ops = {
 736         .read = suspend_dtim_interval_read,
 737         .write = suspend_dtim_interval_write,
 738         .open = simple_open,
 739         .llseek = default_llseek,
 740 };
 741
 742 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
 743                                     size_t count, loff_t *ppos)
 744 {
 745         struct wl1271 *wl = file->private_data;
 746         u8 value;
 747
 748         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
 749             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
 750                 value = wl->conf.conn.listen_interval;
 751         else
 752                 value = 0;
 753
 754         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 755 }
 756
 757 static ssize_t beacon_interval_write(struct file *file,
 758                                      const char __user *user_buf,
 759                                      size_t count, loff_t *ppos)
 760 {
 761         struct wl1271 *wl = file->private_data;
 762         unsigned long value;
 763         int ret;
 764
 765         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 766         if (ret < 0) {
 767                 wl1271_warning("illegal value for beacon_interval");
 768                 return -EINVAL;
 769         }
 770
 771         if (value < 1 || value > 255) {
 772                 wl1271_warning("beacon interval value is not in valid range");
 773                 return -ERANGE;
 774         }
 775
 776         mutex_lock(&wl->mutex);
 777
 778         wl->conf.conn.listen_interval = value;
 779         /* for some reason there are different event types for 1 and >1 */
 780         if (value == 1)
 781                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
 782         else
 783                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
 784
 785         /*
 786          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 787          * take effect on the next time we enter psm.
 788          */
 789         mutex_unlock(&wl->mutex);
 790         return count;
 791 }
 792
 793 static const struct file_operations beacon_interval_ops = {
 794         .read = beacon_interval_read,
 795         .write = beacon_interval_write,
 796         .open = simple_open,
 797         .llseek = default_llseek,
 798 };
 799
 800 static ssize_t rx_streaming_interval_write(struct file *file,
 801                            const char __user *user_buf,
 802                            size_t count, loff_t *ppos)
 803 {
 804         struct wl1271 *wl = file->private_data;
 805         struct wl12xx_vif *wlvif;
 806         unsigned long value;
 807         int ret;
 808
 809         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 810         if (ret < 0) {
 811                 wl1271_warning("illegal value in rx_streaming_interval!");
 812                 return -EINVAL;
 813         }
 814
 815         /* valid values: 0, 10-100 */
 816         if (value && (value < 10 || value > 100)) {
 817                 wl1271_warning("value is not in range!");
 818                 return -ERANGE;
 819         }
 820
 821         mutex_lock(&wl->mutex);
 822
 823         wl->conf.rx_streaming.interval = value;
 824
 825         ret = pm_runtime_resume_and_get(wl->dev);
 826         if (ret < 0)
 827                 goto out;
 828
 829         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 830                 wl1271_recalc_rx_streaming(wl, wlvif);
 831         }
 832
 833         pm_runtime_mark_last_busy(wl->dev);
 834         pm_runtime_put_autosuspend(wl->dev);
 835 out:
 836         mutex_unlock(&wl->mutex);
 837         return count;
 838 }
 839
 840 static ssize_t rx_streaming_interval_read(struct file *file,
 841                             char __user *userbuf,
 842                             size_t count, loff_t *ppos)
 843 {
 844         struct wl1271 *wl = file->private_data;
 845         return wl1271_format_buffer(userbuf, count, ppos,
 846                                     "%d\n", wl->conf.rx_streaming.interval);
 847 }
 848
 849 static const struct file_operations rx_streaming_interval_ops = {
 850         .read = rx_streaming_interval_read,
 851         .write = rx_streaming_interval_write,
 852         .open = simple_open,
 853         .llseek = default_llseek,
 854 };
 855
 856 static ssize_t rx_streaming_always_write(struct file *file,
 857                            const char __user *user_buf,
 858                            size_t count, loff_t *ppos)
 859 {
 860         struct wl1271 *wl = file->private_data;
 861         struct wl12xx_vif *wlvif;
 862         unsigned long value;
 863         int ret;
 864
 865         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 866         if (ret < 0) {
 867                 wl1271_warning("illegal value in rx_streaming_write!");
 868                 return -EINVAL;
 869         }
 870
 871         /* valid values: 0, 10-100 */
 872         if (!(value == 0 || value == 1)) {
 873                 wl1271_warning("value is not in valid!");
 874                 return -EINVAL;
 875         }
 876
 877         mutex_lock(&wl->mutex);
 878
 879         wl->conf.rx_streaming.always = value;
 880
 881         ret = pm_runtime_resume_and_get(wl->dev);
 882         if (ret < 0)
 883                 goto out;
 884
 885         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 886                 wl1271_recalc_rx_streaming(wl, wlvif);
 887         }
 888
 889         pm_runtime_mark_last_busy(wl->dev);
 890         pm_runtime_put_autosuspend(wl->dev);
 891 out:
 892         mutex_unlock(&wl->mutex);
 893         return count;
 894 }
 895
 896 static ssize_t rx_streaming_always_read(struct file *file,
 897                             char __user *userbuf,
 898                             size_t count, loff_t *ppos)
 899 {
 900         struct wl1271 *wl = file->private_data;
 901         return wl1271_format_buffer(userbuf, count, ppos,
 902                                     "%d\n", wl->conf.rx_streaming.always);
 903 }
 904
 905 static const struct file_operations rx_streaming_always_ops = {
 906         .read = rx_streaming_always_read,
 907         .write = rx_streaming_always_write,
 908         .open = simple_open,
 909         .llseek = default_llseek,
 910 };
 911
 912 static ssize_t beacon_filtering_write(struct file *file,
 913                                       const char __user *user_buf,
 914                                       size_t count, loff_t *ppos)
 915 {
 916         struct wl1271 *wl = file->private_data;
 917         struct wl12xx_vif *wlvif;
 918         unsigned long value;
 919         int ret;
 920
 921         ret = kstrtoul_from_user(user_buf, count, 0, &value);
 922         if (ret < 0) {
 923                 wl1271_warning("illegal value for beacon_filtering!");
 924                 return -EINVAL;
 925         }
 926
 927         mutex_lock(&wl->mutex);
 928
 929         ret = pm_runtime_resume_and_get(wl->dev);
 930         if (ret < 0)
 931                 goto out;
 932
 933         wl12xx_for_each_wlvif(wl, wlvif) {
 934                 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
 935         }
 936
 937         pm_runtime_mark_last_busy(wl->dev);
 938         pm_runtime_put_autosuspend(wl->dev);
 939 out:
 940         mutex_unlock(&wl->mutex);
 941         return count;
 942 }
 943
 944 static const struct file_operations beacon_filtering_ops = {
 945         .write = beacon_filtering_write,
 946         .open = simple_open,
 947         .llseek = default_llseek,
 948 };
 949
 950 static ssize_t fw_stats_raw_read(struct file *file,
 951                                  char __user *userbuf,
 952                                  size_t count, loff_t *ppos)
 953 {
 954         struct wl1271 *wl = file->private_data;
 955
 956         wl1271_debugfs_update_stats(wl);
 957
 958         return simple_read_from_buffer(userbuf, count, ppos,
 959                                        wl->stats.fw_stats,
 960                                        wl->stats.fw_stats_len);
 961 }
 962
 963 static const struct file_operations fw_stats_raw_ops = {
 964         .read = fw_stats_raw_read,
 965         .open = simple_open,
 966         .llseek = default_llseek,
 967 };
 968
 969 static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
 970                                size_t count, loff_t *ppos)
 971 {
 972         struct wl1271 *wl = file->private_data;
 973
 974         return wl1271_format_buffer(user_buf, count,
 975                                     ppos, "%d\n",
 976                                     wl->sleep_auth);
 977 }
 978
 979 static ssize_t sleep_auth_write(struct file *file,
 980                                 const char __user *user_buf,
 981                                 size_t count, loff_t *ppos)
 982 {
 983         struct wl1271 *wl = file->private_data;
 984         unsigned long value;
 985         int ret;
 986
 987         ret = kstrtoul_from_user(user_buf, count, 0, &value);
 988         if (ret < 0) {
 989                 wl1271_warning("illegal value in sleep_auth");
 990                 return -EINVAL;
 991         }
 992
 993         if (value > WL1271_PSM_MAX) {
 994                 wl1271_warning("sleep_auth must be between 0 and %d",
 995                                WL1271_PSM_MAX);
 996                 return -ERANGE;
 997         }
 998
 999         mutex_lock(&wl->mutex);
1000
1001         wl->conf.conn.sta_sleep_auth = value;
1002
1003         if (unlikely(wl->state != WLCORE_STATE_ON)) {
1004                 /* this will show up on "read" in case we are off */
1005                 wl->sleep_auth = value;
1006                 goto out;
1007         }
1008
1009         ret = pm_runtime_resume_and_get(wl->dev);
1010         if (ret < 0)
1011                 goto out;
1012
1013         ret = wl1271_acx_sleep_auth(wl, value);
1014         if (ret < 0)
1015                 goto out_sleep;
1016
1017 out_sleep:
1018         pm_runtime_mark_last_busy(wl->dev);
1019         pm_runtime_put_autosuspend(wl->dev);
1020 out:
1021         mutex_unlock(&wl->mutex);
1022         return count;
1023 }
1024
1025 static const struct file_operations sleep_auth_ops = {
1026         .read = sleep_auth_read,
1027         .write = sleep_auth_write,
1028         .open = simple_open,
1029         .llseek = default_llseek,
1030 };
1031
1032 static ssize_t dev_mem_read(struct file *file,
1033              char __user *user_buf, size_t count,
1034              loff_t *ppos)
1035 {
1036         struct wl1271 *wl = file->private_data;
1037         struct wlcore_partition_set part, old_part;
1038         size_t bytes = count;
1039         int ret;
1040         char *buf;
1041
1042         /* only requests of dword-aligned size and offset are supported */
1043         if (bytes % 4)
1044                 return -EINVAL;
1045
1046         if (*ppos % 4)
1047                 return -EINVAL;
1048
1049         /* function should return in reasonable time */
1050         bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1051
1052         if (bytes == 0)
1053                 return -EINVAL;
1054
1055         memset(&part, 0, sizeof(part));
1056         part.mem.start = *ppos;
1057         part.mem.size = bytes;
1058
1059         buf = kmalloc(bytes, GFP_KERNEL);
1060         if (!buf)
1061                 return -ENOMEM;
1062
1063         mutex_lock(&wl->mutex);
1064
1065         if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1066                 ret = -EFAULT;
1067                 goto skip_read;
1068         }
1069
1070         /*
1071          * Don't fail if elp_wakeup returns an error, so the device's memory
1072          * could be read even if the FW crashed
1073          */
1074         pm_runtime_get_sync(wl->dev);
1075
1076         /* store current partition and switch partition */
1077         memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1078         ret = wlcore_set_partition(wl, &part);
1079         if (ret < 0)
1080                 goto part_err;
1081
1082         ret = wlcore_raw_read(wl, 0, buf, bytes, false);
1083         if (ret < 0)
1084                 goto read_err;
1085
1086 read_err:
1087         /* recover partition */
1088         ret = wlcore_set_partition(wl, &old_part);
1089         if (ret < 0)
1090                 goto part_err;
1091
1092 part_err:
1093         pm_runtime_mark_last_busy(wl->dev);
1094         pm_runtime_put_autosuspend(wl->dev);
1095
1096 skip_read:
1097         mutex_unlock(&wl->mutex);
1098
1099         if (ret == 0) {
1100                 ret = copy_to_user(user_buf, buf, bytes);
1101                 if (ret < bytes) {
1102                         bytes -= ret;
1103                         *ppos += bytes;
1104                         ret = 0;
1105                 } else {
1106                         ret = -EFAULT;
1107                 }
1108         }
1109
1110         kfree(buf);
1111
1112         return ((ret == 0) ? bytes : ret);
1113 }
1114
1115 static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
1116                 size_t count, loff_t *ppos)
1117 {
1118         struct wl1271 *wl = file->private_data;
1119         struct wlcore_partition_set part, old_part;
1120         size_t bytes = count;
1121         int ret;
1122         char *buf;
1123
1124         /* only requests of dword-aligned size and offset are supported */
1125         if (bytes % 4)
1126                 return -EINVAL;
1127
1128         if (*ppos % 4)
1129                 return -EINVAL;
1130
1131         /* function should return in reasonable time */
1132         bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1133
1134         if (bytes == 0)
1135                 return -EINVAL;
1136
1137         memset(&part, 0, sizeof(part));
1138         part.mem.start = *ppos;
1139         part.mem.size = bytes;
1140
1141         buf = memdup_user(user_buf, bytes);
1142         if (IS_ERR(buf))
1143                 return PTR_ERR(buf);
1144
1145         mutex_lock(&wl->mutex);
1146
1147         if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1148                 ret = -EFAULT;
1149                 goto skip_write;
1150         }
1151
1152         /*
1153          * Don't fail if elp_wakeup returns an error, so the device's memory
1154          * could be read even if the FW crashed
1155          */
1156         pm_runtime_get_sync(wl->dev);
1157
1158         /* store current partition and switch partition */
1159         memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1160         ret = wlcore_set_partition(wl, &part);
1161         if (ret < 0)
1162                 goto part_err;
1163
1164         ret = wlcore_raw_write(wl, 0, buf, bytes, false);
1165         if (ret < 0)
1166                 goto write_err;
1167
1168 write_err:
1169         /* recover partition */
1170         ret = wlcore_set_partition(wl, &old_part);
1171         if (ret < 0)
1172                 goto part_err;
1173
1174 part_err:
1175         pm_runtime_mark_last_busy(wl->dev);
1176         pm_runtime_put_autosuspend(wl->dev);
1177
1178 skip_write:
1179         mutex_unlock(&wl->mutex);
1180
1181         if (ret == 0)
1182                 *ppos += bytes;
1183
1184         kfree(buf);
1185
1186         return ((ret == 0) ? bytes : ret);
1187 }
1188
1189 static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
1190 {
1191         /* only requests of dword-aligned size and offset are supported */
1192         if (offset % 4)
1193                 return -EINVAL;
1194
1195         return no_seek_end_llseek(file, offset, orig);
1196 }
1197
1198 static const struct file_operations dev_mem_ops = {
1199         .open = simple_open,
1200         .read = dev_mem_read,
1201         .write = dev_mem_write,
1202         .llseek = dev_mem_seek,
1203 };
1204
1205 static ssize_t fw_logger_read(struct file *file, char __user *user_buf,
1206                               size_t count, loff_t *ppos)
1207 {
1208         struct wl1271 *wl = file->private_data;
1209
1210         return wl1271_format_buffer(user_buf, count,
1211                                         ppos, "%d\n",
1212                                         wl->conf.fwlog.output);
1213 }
1214
1215 static ssize_t fw_logger_write(struct file *file,
1216                                const char __user *user_buf,
1217                                size_t count, loff_t *ppos)
1218 {
1219         struct wl1271 *wl = file->private_data;
1220         unsigned long value;
1221         int ret;
1222
1223         ret = kstrtoul_from_user(user_buf, count, 0, &value);
1224         if (ret < 0) {
1225                 wl1271_warning("illegal value in fw_logger");
1226                 return -EINVAL;
1227         }
1228
1229         if ((value > 2) || (value == 0)) {
1230                 wl1271_warning("fw_logger value must be 1-UART 2-SDIO");
1231                 return -ERANGE;
1232         }
1233
1234         if (wl->conf.fwlog.output == 0) {
1235                 wl1271_warning("invalid operation - fw logger disabled by default, please change mode via wlconf");
1236                 return -EINVAL;
1237         }
1238
1239         mutex_lock(&wl->mutex);
1240         ret = pm_runtime_resume_and_get(wl->dev);
1241         if (ret < 0) {
1242                 count = ret;
1243                 goto out;
1244         }
1245
1246         wl->conf.fwlog.output = value;
1247
1248         ret = wl12xx_cmd_config_fwlog(wl);
1249
1250         pm_runtime_mark_last_busy(wl->dev);
1251         pm_runtime_put_autosuspend(wl->dev);
1252
1253 out:
1254         mutex_unlock(&wl->mutex);
1255         return count;
1256 }
1257
1258 static const struct file_operations fw_logger_ops = {
1259         .open = simple_open,
1260         .read = fw_logger_read,
1261         .write = fw_logger_write,
1262         .llseek = default_llseek,
1263 };
1264
1265 static void wl1271_debugfs_add_files(struct wl1271 *wl,
1266                                      struct dentry *rootdir)
1267 {
1268         struct dentry *streaming;
1269
1270         DEBUGFS_ADD(tx_queue_len, rootdir);
1271         DEBUGFS_ADD(retry_count, rootdir);
1272         DEBUGFS_ADD(excessive_retries, rootdir);
1273
1274         DEBUGFS_ADD(gpio_power, rootdir);
1275         DEBUGFS_ADD(start_recovery, rootdir);
1276         DEBUGFS_ADD(driver_state, rootdir);
1277         DEBUGFS_ADD(vifs_state, rootdir);
1278         DEBUGFS_ADD(dtim_interval, rootdir);
1279         DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1280         DEBUGFS_ADD(beacon_interval, rootdir);
1281         DEBUGFS_ADD(beacon_filtering, rootdir);
1282         DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1283         DEBUGFS_ADD(forced_ps, rootdir);
1284         DEBUGFS_ADD(split_scan_timeout, rootdir);
1285         DEBUGFS_ADD(irq_pkt_threshold, rootdir);
1286         DEBUGFS_ADD(irq_blk_threshold, rootdir);
1287         DEBUGFS_ADD(irq_timeout, rootdir);
1288         DEBUGFS_ADD(fw_stats_raw, rootdir);
1289         DEBUGFS_ADD(sleep_auth, rootdir);
1290         DEBUGFS_ADD(fw_logger, rootdir);
1291
1292         streaming = debugfs_create_dir("rx_streaming", rootdir);
1293
1294         DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1295         DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1296
1297         DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
1298 }
1299
1300 void wl1271_debugfs_reset(struct wl1271 *wl)
1301 {
1302         if (!wl->stats.fw_stats)
1303                 return;
1304
1305         memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
1306         wl->stats.retry_count = 0;
1307         wl->stats.excessive_retries = 0;
1308 }
1309
1310 int wl1271_debugfs_init(struct wl1271 *wl)
1311 {
1312         int ret;
1313         struct dentry *rootdir;
1314
1315         rootdir = debugfs_create_dir(KBUILD_MODNAME,
1316                                      wl->hw->wiphy->debugfsdir);
1317
1318         wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
1319         if (!wl->stats.fw_stats) {
1320                 ret = -ENOMEM;
1321                 goto out_remove;
1322         }
1323
1324         wl->stats.fw_stats_update = jiffies;
1325
1326         wl1271_debugfs_add_files(wl, rootdir);
1327
1328         ret = wlcore_debugfs_init(wl, rootdir);
1329         if (ret < 0)
1330                 goto out_exit;
1331
1332         goto out;
1333
1334 out_exit:
1335         wl1271_debugfs_exit(wl);
1336
1337 out_remove:
1338         debugfs_remove_recursive(rootdir);
1339
1340 out:
1341         return ret;
1342 }
1343
1344 void wl1271_debugfs_exit(struct wl1271 *wl)
1345 {
1346         kfree(wl->stats.fw_stats);
1347         wl->stats.fw_stats = NULL;
1348 }