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

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 2009 Nokia Corporation
   5  *
   6  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20  * 02110-1301 USA
  21  *
  22  */
  23
  24 #include "debugfs.h"
  25
  26 #include <linux/skbuff.h>
  27 #include <linux/slab.h>
  28 #include <linux/module.h>
  29 #include <linux/pm_runtime.h>
  30
  31 #include "wlcore.h"
  32 #include "debug.h"
  33 #include "acx.h"
  34 #include "ps.h"
  35 #include "io.h"
  36 #include "tx.h"
  37 #include "hw_ops.h"
  38
  39 /* ms */
  40 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
  41
  42 #define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
  43
  44 /* debugfs macros idea from mac80211 */
  45 int wl1271_format_buffer(char __user *userbuf, size_t count,
  46                          loff_t *ppos, char *fmt, ...)
  47 {
  48         va_list args;
  49         char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
  50         int res;
  51
  52         va_start(args, fmt);
  53         res = vscnprintf(buf, sizeof(buf), fmt, args);
  54         va_end(args);
  55
  56         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
  57 }
  58 EXPORT_SYMBOL_GPL(wl1271_format_buffer);
  59
  60 void wl1271_debugfs_update_stats(struct wl1271 *wl)
  61 {
  62         int ret;
  63
  64         mutex_lock(&wl->mutex);
  65
  66         if (unlikely(wl->state != WLCORE_STATE_ON))
  67                 goto out;
  68
  69         ret = pm_runtime_get_sync(wl->dev);
  70         if (ret < 0) {
  71                 pm_runtime_put_noidle(wl->dev);
  72                 goto out;
  73         }
  74
  75         if (!wl->plt &&
  76             time_after(jiffies, wl->stats.fw_stats_update +
  77                        msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
  78                 wl1271_acx_statistics(wl, wl->stats.fw_stats);
  79                 wl->stats.fw_stats_update = jiffies;
  80         }
  81
  82         pm_runtime_mark_last_busy(wl->dev);
  83         pm_runtime_put_autosuspend(wl->dev);
  84
  85 out:
  86         mutex_unlock(&wl->mutex);
  87 }
  88 EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
  89
  90 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
  91 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
  92                       wl->stats.excessive_retries);
  93
  94 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
  95                                  size_t count, loff_t *ppos)
  96 {
  97         struct wl1271 *wl = file->private_data;
  98         u32 queue_len;
  99         char buf[20];
 100         int res;
 101
 102         queue_len = wl1271_tx_total_queue_count(wl);
 103
 104         res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
 105         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 106 }
 107
 108 static const struct file_operations tx_queue_len_ops = {
 109         .read = tx_queue_len_read,
 110         .open = simple_open,
 111         .llseek = default_llseek,
 112 };
 113
 114 static void chip_op_handler(struct wl1271 *wl, unsigned long value,
 115                             void *arg)
 116 {
 117         int ret;
 118         int (*chip_op) (struct wl1271 *wl);
 119
 120         if (!arg) {
 121                 wl1271_warning("debugfs chip_op_handler with no callback");
 122                 return;
 123         }
 124
 125         ret = pm_runtime_get_sync(wl->dev);
 126         if (ret < 0) {
 127                 pm_runtime_put_noidle(wl->dev);
 128
 129                 return;
 130         }
 131
 132         chip_op = arg;
 133         chip_op(wl);
 134
 135         pm_runtime_mark_last_busy(wl->dev);
 136         pm_runtime_put_autosuspend(wl->dev);
 137 }
 138
 139
 140 static inline void no_write_handler(struct wl1271 *wl,
 141                                     unsigned long value,
 142                                     unsigned long param)
 143 {
 144 }
 145
 146 #define WL12XX_CONF_DEBUGFS(param, conf_sub_struct,                     \
 147                             min_val, max_val, write_handler_locked,     \
 148                             write_handler_arg)                          \
 149         static ssize_t param##_read(struct file *file,                  \
 150                                       char __user *user_buf,            \
 151                                       size_t count, loff_t *ppos)       \
 152         {                                                               \
 153         struct wl1271 *wl = file->private_data;                         \
 154         return wl1271_format_buffer(user_buf, count,                    \
 155                                     ppos, "%d\n",                       \
 156                                     wl->conf.conf_sub_struct.param);    \
 157         }                                                               \
 158                                                                         \
 159         static ssize_t param##_write(struct file *file,                 \
 160                                      const char __user *user_buf,       \
 161                                      size_t count, loff_t *ppos)        \
 162         {                                                               \
 163         struct wl1271 *wl = file->private_data;                         \
 164         unsigned long value;                                            \
 165         int ret;                                                        \
 166                                                                         \
 167         ret = kstrtoul_from_user(user_buf, count, 10, &value);          \
 168         if (ret < 0) {                                                  \
 169                 wl1271_warning("illegal value for " #param);            \
 170                 return -EINVAL;                                         \
 171         }                                                               \
 172                                                                         \
 173         if (value < min_val || value > max_val) {                       \
 174                 wl1271_warning(#param " is not in valid range");        \
 175                 return -ERANGE;                                         \
 176         }                                                               \
 177                                                                         \
 178         mutex_lock(&wl->mutex);                                         \
 179         wl->conf.conf_sub_struct.param = value;                         \
 180                                                                         \
 181         write_handler_locked(wl, value, write_handler_arg);             \
 182                                                                         \
 183         mutex_unlock(&wl->mutex);                                       \
 184         return count;                                                   \
 185         }                                                               \
 186                                                                         \
 187         static const struct file_operations param##_ops = {             \
 188                 .read = param##_read,                                   \
 189                 .write = param##_write,                                 \
 190                 .open = simple_open,                                    \
 191                 .llseek = default_llseek,                               \
 192         };
 193
 194 WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
 195                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 196 WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
 197                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 198 WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
 199                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 200
 201 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
 202                           size_t count, loff_t *ppos)
 203 {
 204         struct wl1271 *wl = file->private_data;
 205         bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 206
 207         int res;
 208         char buf[10];
 209
 210         res = scnprintf(buf, sizeof(buf), "%d\n", state);
 211
 212         return simple_read_from_buffer(user_buf, count, ppos, buf, res);
 213 }
 214
 215 static ssize_t gpio_power_write(struct file *file,
 216                            const char __user *user_buf,
 217                            size_t count, loff_t *ppos)
 218 {
 219         struct wl1271 *wl = file->private_data;
 220         unsigned long value;
 221         int ret;
 222
 223         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 224         if (ret < 0) {
 225                 wl1271_warning("illegal value in gpio_power");
 226                 return -EINVAL;
 227         }
 228
 229         mutex_lock(&wl->mutex);
 230
 231         if (value)
 232                 wl1271_power_on(wl);
 233         else
 234                 wl1271_power_off(wl);
 235
 236         mutex_unlock(&wl->mutex);
 237         return count;
 238 }
 239
 240 static const struct file_operations gpio_power_ops = {
 241         .read = gpio_power_read,
 242         .write = gpio_power_write,
 243         .open = simple_open,
 244         .llseek = default_llseek,
 245 };
 246
 247 static ssize_t start_recovery_write(struct file *file,
 248                                     const char __user *user_buf,
 249                                     size_t count, loff_t *ppos)
 250 {
 251         struct wl1271 *wl = file->private_data;
 252
 253         mutex_lock(&wl->mutex);
 254         wl12xx_queue_recovery_work(wl);
 255         mutex_unlock(&wl->mutex);
 256
 257         return count;
 258 }
 259
 260 static const struct file_operations start_recovery_ops = {
 261         .write = start_recovery_write,
 262         .open = simple_open,
 263         .llseek = default_llseek,
 264 };
 265
 266 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
 267                           size_t count, loff_t *ppos)
 268 {
 269         struct wl1271 *wl = file->private_data;
 270
 271         return wl1271_format_buffer(user_buf, count,
 272                                     ppos, "%d\n",
 273                                     wl->conf.conn.dynamic_ps_timeout);
 274 }
 275
 276 static ssize_t dynamic_ps_timeout_write(struct file *file,
 277                                     const char __user *user_buf,
 278                                     size_t count, loff_t *ppos)
 279 {
 280         struct wl1271 *wl = file->private_data;
 281         struct wl12xx_vif *wlvif;
 282         unsigned long value;
 283         int ret;
 284
 285         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 286         if (ret < 0) {
 287                 wl1271_warning("illegal value in dynamic_ps");
 288                 return -EINVAL;
 289         }
 290
 291         if (value < 1 || value > 65535) {
 292                 wl1271_warning("dynamic_ps_timeout is not in valid range");
 293                 return -ERANGE;
 294         }
 295
 296         mutex_lock(&wl->mutex);
 297
 298         wl->conf.conn.dynamic_ps_timeout = value;
 299
 300         if (unlikely(wl->state != WLCORE_STATE_ON))
 301                 goto out;
 302
 303         ret = pm_runtime_get_sync(wl->dev);
 304         if (ret < 0) {
 305                 pm_runtime_put_noidle(wl->dev);
 306                 goto out;
 307         }
 308
 309         /* In case we're already in PSM, trigger it again to set new timeout
 310          * immediately without waiting for re-association
 311          */
 312
 313         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 314                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 315                         wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
 316         }
 317
 318         pm_runtime_mark_last_busy(wl->dev);
 319         pm_runtime_put_autosuspend(wl->dev);
 320
 321 out:
 322         mutex_unlock(&wl->mutex);
 323         return count;
 324 }
 325
 326 static const struct file_operations dynamic_ps_timeout_ops = {
 327         .read = dynamic_ps_timeout_read,
 328         .write = dynamic_ps_timeout_write,
 329         .open = simple_open,
 330         .llseek = default_llseek,
 331 };
 332
 333 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
 334                           size_t count, loff_t *ppos)
 335 {
 336         struct wl1271 *wl = file->private_data;
 337
 338         return wl1271_format_buffer(user_buf, count,
 339                                     ppos, "%d\n",
 340                                     wl->conf.conn.forced_ps);
 341 }
 342
 343 static ssize_t forced_ps_write(struct file *file,
 344                                     const char __user *user_buf,
 345                                     size_t count, loff_t *ppos)
 346 {
 347         struct wl1271 *wl = file->private_data;
 348         struct wl12xx_vif *wlvif;
 349         unsigned long value;
 350         int ret, ps_mode;
 351
 352         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 353         if (ret < 0) {
 354                 wl1271_warning("illegal value in forced_ps");
 355                 return -EINVAL;
 356         }
 357
 358         if (value != 1 && value != 0) {
 359                 wl1271_warning("forced_ps should be either 0 or 1");
 360                 return -ERANGE;
 361         }
 362
 363         mutex_lock(&wl->mutex);
 364
 365         if (wl->conf.conn.forced_ps == value)
 366                 goto out;
 367
 368         wl->conf.conn.forced_ps = value;
 369
 370         if (unlikely(wl->state != WLCORE_STATE_ON))
 371                 goto out;
 372
 373         ret = pm_runtime_get_sync(wl->dev);
 374         if (ret < 0) {
 375                 pm_runtime_put_noidle(wl->dev);
 376                 goto out;
 377         }
 378
 379         /* In case we're already in PSM, trigger it again to switch mode
 380          * immediately without waiting for re-association
 381          */
 382
 383         ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
 384
 385         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 386                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 387                         wl1271_ps_set_mode(wl, wlvif, ps_mode);
 388         }
 389
 390         pm_runtime_mark_last_busy(wl->dev);
 391         pm_runtime_put_autosuspend(wl->dev);
 392
 393 out:
 394         mutex_unlock(&wl->mutex);
 395         return count;
 396 }
 397
 398 static const struct file_operations forced_ps_ops = {
 399         .read = forced_ps_read,
 400         .write = forced_ps_write,
 401         .open = simple_open,
 402         .llseek = default_llseek,
 403 };
 404
 405 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
 406                           size_t count, loff_t *ppos)
 407 {
 408         struct wl1271 *wl = file->private_data;
 409
 410         return wl1271_format_buffer(user_buf, count,
 411                                     ppos, "%d\n",
 412                                     wl->conf.scan.split_scan_timeout / 1000);
 413 }
 414
 415 static ssize_t split_scan_timeout_write(struct file *file,
 416                                     const char __user *user_buf,
 417                                     size_t count, loff_t *ppos)
 418 {
 419         struct wl1271 *wl = file->private_data;
 420         unsigned long value;
 421         int ret;
 422
 423         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 424         if (ret < 0) {
 425                 wl1271_warning("illegal value in split_scan_timeout");
 426                 return -EINVAL;
 427         }
 428
 429         if (value == 0)
 430                 wl1271_info("split scan will be disabled");
 431
 432         mutex_lock(&wl->mutex);
 433
 434         wl->conf.scan.split_scan_timeout = value * 1000;
 435
 436         mutex_unlock(&wl->mutex);
 437         return count;
 438 }
 439
 440 static const struct file_operations split_scan_timeout_ops = {
 441         .read = split_scan_timeout_read,
 442         .write = split_scan_timeout_write,
 443         .open = simple_open,
 444         .llseek = default_llseek,
 445 };
 446
 447 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
 448                                  size_t count, loff_t *ppos)
 449 {
 450         struct wl1271 *wl = file->private_data;
 451         int res = 0;
 452         ssize_t ret;
 453         char *buf;
 454         struct wl12xx_vif *wlvif;
 455
 456 #define DRIVER_STATE_BUF_LEN 1024
 457
 458         buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
 459         if (!buf)
 460                 return -ENOMEM;
 461
 462         mutex_lock(&wl->mutex);
 463
 464 #define DRIVER_STATE_PRINT(x, fmt)   \
 465         (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
 466                           #x " = " fmt "\n", wl->x))
 467
 468 #define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...)   \
 469         (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
 470                           #x " = " fmt "\n", args))
 471
 472 #define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
 473 #define DRIVER_STATE_PRINT_INT(x)  DRIVER_STATE_PRINT(x, "%d")
 474 #define DRIVER_STATE_PRINT_STR(x)  DRIVER_STATE_PRINT(x, "%s")
 475 #define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
 476 #define DRIVER_STATE_PRINT_HEX(x)  DRIVER_STATE_PRINT(x, "0x%x")
 477
 478         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 479                 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
 480                         continue;
 481
 482                 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
 483                                            wlvif->p2p ? "P2P-CL" : "STA");
 484         }
 485
 486         wl12xx_for_each_wlvif_ap(wl, wlvif)
 487                 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
 488                                            wlvif->p2p ? "P2P-GO" : "AP");
 489
 490         DRIVER_STATE_PRINT_INT(tx_blocks_available);
 491         DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
 492         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
 493         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
 494         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
 495         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
 496         DRIVER_STATE_PRINT_INT(tx_frames_cnt);
 497         DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
 498         DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
 499         DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
 500         DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
 501         DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
 502         DRIVER_STATE_PRINT_INT(tx_packets_count);
 503         DRIVER_STATE_PRINT_INT(tx_results_count);
 504         DRIVER_STATE_PRINT_LHEX(flags);
 505         DRIVER_STATE_PRINT_INT(tx_blocks_freed);
 506         DRIVER_STATE_PRINT_INT(rx_counter);
 507         DRIVER_STATE_PRINT_INT(state);
 508         DRIVER_STATE_PRINT_INT(band);
 509         DRIVER_STATE_PRINT_INT(power_level);
 510         DRIVER_STATE_PRINT_INT(sg_enabled);
 511         DRIVER_STATE_PRINT_INT(enable_11a);
 512         DRIVER_STATE_PRINT_INT(noise);
 513         DRIVER_STATE_PRINT_LHEX(ap_fw_ps_map);
 514         DRIVER_STATE_PRINT_LHEX(ap_ps_map);
 515         DRIVER_STATE_PRINT_HEX(quirks);
 516         DRIVER_STATE_PRINT_HEX(irq);
 517         /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */
 518         DRIVER_STATE_PRINT_HEX(hw_pg_ver);
 519         DRIVER_STATE_PRINT_HEX(irq_flags);
 520         DRIVER_STATE_PRINT_HEX(chip.id);
 521         DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
 522         DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str);
 523         DRIVER_STATE_PRINT_INT(recovery_count);
 524
 525 #undef DRIVER_STATE_PRINT_INT
 526 #undef DRIVER_STATE_PRINT_LONG
 527 #undef DRIVER_STATE_PRINT_HEX
 528 #undef DRIVER_STATE_PRINT_LHEX
 529 #undef DRIVER_STATE_PRINT_STR
 530 #undef DRIVER_STATE_PRINT
 531 #undef DRIVER_STATE_BUF_LEN
 532
 533         mutex_unlock(&wl->mutex);
 534
 535         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 536         kfree(buf);
 537         return ret;
 538 }
 539
 540 static const struct file_operations driver_state_ops = {
 541         .read = driver_state_read,
 542         .open = simple_open,
 543         .llseek = default_llseek,
 544 };
 545
 546 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
 547                                  size_t count, loff_t *ppos)
 548 {
 549         struct wl1271 *wl = file->private_data;
 550         struct wl12xx_vif *wlvif;
 551         int ret, res = 0;
 552         const int buf_size = 4096;
 553         char *buf;
 554         char tmp_buf[64];
 555
 556         buf = kzalloc(buf_size, GFP_KERNEL);
 557         if (!buf)
 558                 return -ENOMEM;
 559
 560         mutex_lock(&wl->mutex);
 561
 562 #define VIF_STATE_PRINT(x, fmt)                         \
 563         (res += scnprintf(buf + res, buf_size - res,    \
 564                           #x " = " fmt "\n", wlvif->x))
 565
 566 #define VIF_STATE_PRINT_LONG(x)  VIF_STATE_PRINT(x, "%ld")
 567 #define VIF_STATE_PRINT_INT(x)   VIF_STATE_PRINT(x, "%d")
 568 #define VIF_STATE_PRINT_STR(x)   VIF_STATE_PRINT(x, "%s")
 569 #define VIF_STATE_PRINT_LHEX(x)  VIF_STATE_PRINT(x, "0x%lx")
 570 #define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
 571 #define VIF_STATE_PRINT_HEX(x)   VIF_STATE_PRINT(x, "0x%x")
 572
 573 #define VIF_STATE_PRINT_NSTR(x, len)                            \
 574         do {                                                    \
 575                 memset(tmp_buf, 0, sizeof(tmp_buf));            \
 576                 memcpy(tmp_buf, wlvif->x,                       \
 577                        min_t(u8, len, sizeof(tmp_buf) - 1));    \
 578                 res += scnprintf(buf + res, buf_size - res,     \
 579                                  #x " = %s\n", tmp_buf);        \
 580         } while (0)
 581
 582         wl12xx_for_each_wlvif(wl, wlvif) {
 583                 VIF_STATE_PRINT_INT(role_id);
 584                 VIF_STATE_PRINT_INT(bss_type);
 585                 VIF_STATE_PRINT_LHEX(flags);
 586                 VIF_STATE_PRINT_INT(p2p);
 587                 VIF_STATE_PRINT_INT(dev_role_id);
 588                 VIF_STATE_PRINT_INT(dev_hlid);
 589
 590                 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
 591                     wlvif->bss_type == BSS_TYPE_IBSS) {
 592                         VIF_STATE_PRINT_INT(sta.hlid);
 593                         VIF_STATE_PRINT_INT(sta.basic_rate_idx);
 594                         VIF_STATE_PRINT_INT(sta.ap_rate_idx);
 595                         VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
 596                         VIF_STATE_PRINT_INT(sta.qos);
 597                 } else {
 598                         VIF_STATE_PRINT_INT(ap.global_hlid);
 599                         VIF_STATE_PRINT_INT(ap.bcast_hlid);
 600                         VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
 601                         VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
 602                         VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
 603                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
 604                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
 605                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
 606                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
 607                 }
 608                 VIF_STATE_PRINT_INT(last_tx_hlid);
 609                 VIF_STATE_PRINT_INT(tx_queue_count[0]);
 610                 VIF_STATE_PRINT_INT(tx_queue_count[1]);
 611                 VIF_STATE_PRINT_INT(tx_queue_count[2]);
 612                 VIF_STATE_PRINT_INT(tx_queue_count[3]);
 613                 VIF_STATE_PRINT_LHEX(links_map[0]);
 614                 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
 615                 VIF_STATE_PRINT_INT(band);
 616                 VIF_STATE_PRINT_INT(channel);
 617                 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
 618                 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
 619                 VIF_STATE_PRINT_HEX(basic_rate_set);
 620                 VIF_STATE_PRINT_HEX(basic_rate);
 621                 VIF_STATE_PRINT_HEX(rate_set);
 622                 VIF_STATE_PRINT_INT(beacon_int);
 623                 VIF_STATE_PRINT_INT(default_key);
 624                 VIF_STATE_PRINT_INT(aid);
 625                 VIF_STATE_PRINT_INT(psm_entry_retry);
 626                 VIF_STATE_PRINT_INT(power_level);
 627                 VIF_STATE_PRINT_INT(rssi_thold);
 628                 VIF_STATE_PRINT_INT(last_rssi_event);
 629                 VIF_STATE_PRINT_INT(ba_support);
 630                 VIF_STATE_PRINT_INT(ba_allowed);
 631                 VIF_STATE_PRINT_LLHEX(total_freed_pkts);
 632         }
 633
 634 #undef VIF_STATE_PRINT_INT
 635 #undef VIF_STATE_PRINT_LONG
 636 #undef VIF_STATE_PRINT_HEX
 637 #undef VIF_STATE_PRINT_LHEX
 638 #undef VIF_STATE_PRINT_LLHEX
 639 #undef VIF_STATE_PRINT_STR
 640 #undef VIF_STATE_PRINT_NSTR
 641 #undef VIF_STATE_PRINT
 642
 643         mutex_unlock(&wl->mutex);
 644
 645         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 646         kfree(buf);
 647         return ret;
 648 }
 649
 650 static const struct file_operations vifs_state_ops = {
 651         .read = vifs_state_read,
 652         .open = simple_open,
 653         .llseek = default_llseek,
 654 };
 655
 656 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
 657                                   size_t count, loff_t *ppos)
 658 {
 659         struct wl1271 *wl = file->private_data;
 660         u8 value;
 661
 662         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 663             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 664                 value = wl->conf.conn.listen_interval;
 665         else
 666                 value = 0;
 667
 668         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 669 }
 670
 671 static ssize_t dtim_interval_write(struct file *file,
 672                                    const char __user *user_buf,
 673                                    size_t count, loff_t *ppos)
 674 {
 675         struct wl1271 *wl = file->private_data;
 676         unsigned long value;
 677         int ret;
 678
 679         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 680         if (ret < 0) {
 681                 wl1271_warning("illegal value for dtim_interval");
 682                 return -EINVAL;
 683         }
 684
 685         if (value < 1 || value > 10) {
 686                 wl1271_warning("dtim value is not in valid range");
 687                 return -ERANGE;
 688         }
 689
 690         mutex_lock(&wl->mutex);
 691
 692         wl->conf.conn.listen_interval = value;
 693         /* for some reason there are different event types for 1 and >1 */
 694         if (value == 1)
 695                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 696         else
 697                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 698
 699         /*
 700          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 701          * take effect on the next time we enter psm.
 702          */
 703         mutex_unlock(&wl->mutex);
 704         return count;
 705 }
 706
 707 static const struct file_operations dtim_interval_ops = {
 708         .read = dtim_interval_read,
 709         .write = dtim_interval_write,
 710         .open = simple_open,
 711         .llseek = default_llseek,
 712 };
 713
 714
 715
 716 static ssize_t suspend_dtim_interval_read(struct file *file,
 717                                           char __user *user_buf,
 718                                           size_t count, loff_t *ppos)
 719 {
 720         struct wl1271 *wl = file->private_data;
 721         u8 value;
 722
 723         if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 724             wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 725                 value = wl->conf.conn.suspend_listen_interval;
 726         else
 727                 value = 0;
 728
 729         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 730 }
 731
 732 static ssize_t suspend_dtim_interval_write(struct file *file,
 733                                            const char __user *user_buf,
 734                                            size_t count, loff_t *ppos)
 735 {
 736         struct wl1271 *wl = file->private_data;
 737         unsigned long value;
 738         int ret;
 739
 740         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 741         if (ret < 0) {
 742                 wl1271_warning("illegal value for suspend_dtim_interval");
 743                 return -EINVAL;
 744         }
 745
 746         if (value < 1 || value > 10) {
 747                 wl1271_warning("suspend_dtim value is not in valid range");
 748                 return -ERANGE;
 749         }
 750
 751         mutex_lock(&wl->mutex);
 752
 753         wl->conf.conn.suspend_listen_interval = value;
 754         /* for some reason there are different event types for 1 and >1 */
 755         if (value == 1)
 756                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 757         else
 758                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 759
 760         mutex_unlock(&wl->mutex);
 761         return count;
 762 }
 763
 764
 765 static const struct file_operations suspend_dtim_interval_ops = {
 766         .read = suspend_dtim_interval_read,
 767         .write = suspend_dtim_interval_write,
 768         .open = simple_open,
 769         .llseek = default_llseek,
 770 };
 771
 772 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
 773                                     size_t count, loff_t *ppos)
 774 {
 775         struct wl1271 *wl = file->private_data;
 776         u8 value;
 777
 778         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
 779             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
 780                 value = wl->conf.conn.listen_interval;
 781         else
 782                 value = 0;
 783
 784         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 785 }
 786
 787 static ssize_t beacon_interval_write(struct file *file,
 788                                      const char __user *user_buf,
 789                                      size_t count, loff_t *ppos)
 790 {
 791         struct wl1271 *wl = file->private_data;
 792         unsigned long value;
 793         int ret;
 794
 795         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 796         if (ret < 0) {
 797                 wl1271_warning("illegal value for beacon_interval");
 798                 return -EINVAL;
 799         }
 800
 801         if (value < 1 || value > 255) {
 802                 wl1271_warning("beacon interval value is not in valid range");
 803                 return -ERANGE;
 804         }
 805
 806         mutex_lock(&wl->mutex);
 807
 808         wl->conf.conn.listen_interval = value;
 809         /* for some reason there are different event types for 1 and >1 */
 810         if (value == 1)
 811                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
 812         else
 813                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
 814
 815         /*
 816          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 817          * take effect on the next time we enter psm.
 818          */
 819         mutex_unlock(&wl->mutex);
 820         return count;
 821 }
 822
 823 static const struct file_operations beacon_interval_ops = {
 824         .read = beacon_interval_read,
 825         .write = beacon_interval_write,
 826         .open = simple_open,
 827         .llseek = default_llseek,
 828 };
 829
 830 static ssize_t rx_streaming_interval_write(struct file *file,
 831                            const char __user *user_buf,
 832                            size_t count, loff_t *ppos)
 833 {
 834         struct wl1271 *wl = file->private_data;
 835         struct wl12xx_vif *wlvif;
 836         unsigned long value;
 837         int ret;
 838
 839         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 840         if (ret < 0) {
 841                 wl1271_warning("illegal value in rx_streaming_interval!");
 842                 return -EINVAL;
 843         }
 844
 845         /* valid values: 0, 10-100 */
 846         if (value && (value < 10 || value > 100)) {
 847                 wl1271_warning("value is not in range!");
 848                 return -ERANGE;
 849         }
 850
 851         mutex_lock(&wl->mutex);
 852
 853         wl->conf.rx_streaming.interval = value;
 854
 855         ret = pm_runtime_get_sync(wl->dev);
 856         if (ret < 0) {
 857                 pm_runtime_put_noidle(wl->dev);
 858                 goto out;
 859         }
 860
 861         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 862                 wl1271_recalc_rx_streaming(wl, wlvif);
 863         }
 864
 865         pm_runtime_mark_last_busy(wl->dev);
 866         pm_runtime_put_autosuspend(wl->dev);
 867 out:
 868         mutex_unlock(&wl->mutex);
 869         return count;
 870 }
 871
 872 static ssize_t rx_streaming_interval_read(struct file *file,
 873                             char __user *userbuf,
 874                             size_t count, loff_t *ppos)
 875 {
 876         struct wl1271 *wl = file->private_data;
 877         return wl1271_format_buffer(userbuf, count, ppos,
 878                                     "%d\n", wl->conf.rx_streaming.interval);
 879 }
 880
 881 static const struct file_operations rx_streaming_interval_ops = {
 882         .read = rx_streaming_interval_read,
 883         .write = rx_streaming_interval_write,
 884         .open = simple_open,
 885         .llseek = default_llseek,
 886 };
 887
 888 static ssize_t rx_streaming_always_write(struct file *file,
 889                            const char __user *user_buf,
 890                            size_t count, loff_t *ppos)
 891 {
 892         struct wl1271 *wl = file->private_data;
 893         struct wl12xx_vif *wlvif;
 894         unsigned long value;
 895         int ret;
 896
 897         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 898         if (ret < 0) {
 899                 wl1271_warning("illegal value in rx_streaming_write!");
 900                 return -EINVAL;
 901         }
 902
 903         /* valid values: 0, 10-100 */
 904         if (!(value == 0 || value == 1)) {
 905                 wl1271_warning("value is not in valid!");
 906                 return -EINVAL;
 907         }
 908
 909         mutex_lock(&wl->mutex);
 910
 911         wl->conf.rx_streaming.always = value;
 912
 913         ret = pm_runtime_get_sync(wl->dev);
 914         if (ret < 0) {
 915                 pm_runtime_put_noidle(wl->dev);
 916                 goto out;
 917         }
 918
 919         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 920                 wl1271_recalc_rx_streaming(wl, wlvif);
 921         }
 922
 923         pm_runtime_mark_last_busy(wl->dev);
 924         pm_runtime_put_autosuspend(wl->dev);
 925 out:
 926         mutex_unlock(&wl->mutex);
 927         return count;
 928 }
 929
 930 static ssize_t rx_streaming_always_read(struct file *file,
 931                             char __user *userbuf,
 932                             size_t count, loff_t *ppos)
 933 {
 934         struct wl1271 *wl = file->private_data;
 935         return wl1271_format_buffer(userbuf, count, ppos,
 936                                     "%d\n", wl->conf.rx_streaming.always);
 937 }
 938
 939 static const struct file_operations rx_streaming_always_ops = {
 940         .read = rx_streaming_always_read,
 941         .write = rx_streaming_always_write,
 942         .open = simple_open,
 943         .llseek = default_llseek,
 944 };
 945
 946 static ssize_t beacon_filtering_write(struct file *file,
 947                                       const char __user *user_buf,
 948                                       size_t count, loff_t *ppos)
 949 {
 950         struct wl1271 *wl = file->private_data;
 951         struct wl12xx_vif *wlvif;
 952         unsigned long value;
 953         int ret;
 954
 955         ret = kstrtoul_from_user(user_buf, count, 0, &value);
 956         if (ret < 0) {
 957                 wl1271_warning("illegal value for beacon_filtering!");
 958                 return -EINVAL;
 959         }
 960
 961         mutex_lock(&wl->mutex);
 962
 963         ret = pm_runtime_get_sync(wl->dev);
 964         if (ret < 0) {
 965                 pm_runtime_put_noidle(wl->dev);
 966                 goto out;
 967         }
 968
 969         wl12xx_for_each_wlvif(wl, wlvif) {
 970                 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
 971         }
 972
 973         pm_runtime_mark_last_busy(wl->dev);
 974         pm_runtime_put_autosuspend(wl->dev);
 975 out:
 976         mutex_unlock(&wl->mutex);
 977         return count;
 978 }
 979
 980 static const struct file_operations beacon_filtering_ops = {
 981         .write = beacon_filtering_write,
 982         .open = simple_open,
 983         .llseek = default_llseek,
 984 };
 985
 986 static ssize_t fw_stats_raw_read(struct file *file,
 987                                  char __user *userbuf,
 988                                  size_t count, loff_t *ppos)
 989 {
 990         struct wl1271 *wl = file->private_data;
 991
 992         wl1271_debugfs_update_stats(wl);
 993
 994         return simple_read_from_buffer(userbuf, count, ppos,
 995                                        wl->stats.fw_stats,
 996                                        wl->stats.fw_stats_len);
 997 }
 998
 999 static const struct file_operations fw_stats_raw_ops = {
1000         .read = fw_stats_raw_read,
1001         .open = simple_open,
1002         .llseek = default_llseek,
1003 };
1004
1005 static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
1006                                size_t count, loff_t *ppos)
1007 {
1008         struct wl1271 *wl = file->private_data;
1009
1010         return wl1271_format_buffer(user_buf, count,
1011                                     ppos, "%d\n",
1012                                     wl->sleep_auth);
1013 }
1014
1015 static ssize_t sleep_auth_write(struct file *file,
1016                                 const char __user *user_buf,
1017                                 size_t count, loff_t *ppos)
1018 {
1019         struct wl1271 *wl = file->private_data;
1020         unsigned long value;
1021         int ret;
1022
1023         ret = kstrtoul_from_user(user_buf, count, 0, &value);
1024         if (ret < 0) {
1025                 wl1271_warning("illegal value in sleep_auth");
1026                 return -EINVAL;
1027         }
1028
1029         if (value > WL1271_PSM_MAX) {
1030                 wl1271_warning("sleep_auth must be between 0 and %d",
1031                                WL1271_PSM_MAX);
1032                 return -ERANGE;
1033         }
1034
1035         mutex_lock(&wl->mutex);
1036
1037         wl->conf.conn.sta_sleep_auth = value;
1038
1039         if (unlikely(wl->state != WLCORE_STATE_ON)) {
1040                 /* this will show up on "read" in case we are off */
1041                 wl->sleep_auth = value;
1042                 goto out;
1043         }
1044
1045         ret = pm_runtime_get_sync(wl->dev);
1046         if (ret < 0) {
1047                 pm_runtime_put_noidle(wl->dev);
1048                 goto out;
1049         }
1050
1051         ret = wl1271_acx_sleep_auth(wl, value);
1052         if (ret < 0)
1053                 goto out_sleep;
1054
1055 out_sleep:
1056         pm_runtime_mark_last_busy(wl->dev);
1057         pm_runtime_put_autosuspend(wl->dev);
1058 out:
1059         mutex_unlock(&wl->mutex);
1060         return count;
1061 }
1062
1063 static const struct file_operations sleep_auth_ops = {
1064         .read = sleep_auth_read,
1065         .write = sleep_auth_write,
1066         .open = simple_open,
1067         .llseek = default_llseek,
1068 };
1069
1070 static ssize_t dev_mem_read(struct file *file,
1071              char __user *user_buf, size_t count,
1072              loff_t *ppos)
1073 {
1074         struct wl1271 *wl = file->private_data;
1075         struct wlcore_partition_set part, old_part;
1076         size_t bytes = count;
1077         int ret;
1078         char *buf;
1079
1080         /* only requests of dword-aligned size and offset are supported */
1081         if (bytes % 4)
1082                 return -EINVAL;
1083
1084         if (*ppos % 4)
1085                 return -EINVAL;
1086
1087         /* function should return in reasonable time */
1088         bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1089
1090         if (bytes == 0)
1091                 return -EINVAL;
1092
1093         memset(&part, 0, sizeof(part));
1094         part.mem.start = *ppos;
1095         part.mem.size = bytes;
1096
1097         buf = kmalloc(bytes, GFP_KERNEL);
1098         if (!buf)
1099                 return -ENOMEM;
1100
1101         mutex_lock(&wl->mutex);
1102
1103         if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1104                 ret = -EFAULT;
1105                 goto skip_read;
1106         }
1107
1108         /*
1109          * Don't fail if elp_wakeup returns an error, so the device's memory
1110          * could be read even if the FW crashed
1111          */
1112         pm_runtime_get_sync(wl->dev);
1113
1114         /* store current partition and switch partition */
1115         memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1116         ret = wlcore_set_partition(wl, &part);
1117         if (ret < 0)
1118                 goto part_err;
1119
1120         ret = wlcore_raw_read(wl, 0, buf, bytes, false);
1121         if (ret < 0)
1122                 goto read_err;
1123
1124 read_err:
1125         /* recover partition */
1126         ret = wlcore_set_partition(wl, &old_part);
1127         if (ret < 0)
1128                 goto part_err;
1129
1130 part_err:
1131         pm_runtime_mark_last_busy(wl->dev);
1132         pm_runtime_put_autosuspend(wl->dev);
1133
1134 skip_read:
1135         mutex_unlock(&wl->mutex);
1136
1137         if (ret == 0) {
1138                 ret = copy_to_user(user_buf, buf, bytes);
1139                 if (ret < bytes) {
1140                         bytes -= ret;
1141                         *ppos += bytes;
1142                         ret = 0;
1143                 } else {
1144                         ret = -EFAULT;
1145                 }
1146         }
1147
1148         kfree(buf);
1149
1150         return ((ret == 0) ? bytes : ret);
1151 }
1152
1153 static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
1154                 size_t count, loff_t *ppos)
1155 {
1156         struct wl1271 *wl = file->private_data;
1157         struct wlcore_partition_set part, old_part;
1158         size_t bytes = count;
1159         int ret;
1160         char *buf;
1161
1162         /* only requests of dword-aligned size and offset are supported */
1163         if (bytes % 4)
1164                 return -EINVAL;
1165
1166         if (*ppos % 4)
1167                 return -EINVAL;
1168
1169         /* function should return in reasonable time */
1170         bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1171
1172         if (bytes == 0)
1173                 return -EINVAL;
1174
1175         memset(&part, 0, sizeof(part));
1176         part.mem.start = *ppos;
1177         part.mem.size = bytes;
1178
1179         buf = memdup_user(user_buf, bytes);
1180         if (IS_ERR(buf))
1181                 return PTR_ERR(buf);
1182
1183         mutex_lock(&wl->mutex);
1184
1185         if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1186                 ret = -EFAULT;
1187                 goto skip_write;
1188         }
1189
1190         /*
1191          * Don't fail if elp_wakeup returns an error, so the device's memory
1192          * could be read even if the FW crashed
1193          */
1194         pm_runtime_get_sync(wl->dev);
1195
1196         /* store current partition and switch partition */
1197         memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1198         ret = wlcore_set_partition(wl, &part);
1199         if (ret < 0)
1200                 goto part_err;
1201
1202         ret = wlcore_raw_write(wl, 0, buf, bytes, false);
1203         if (ret < 0)
1204                 goto write_err;
1205
1206 write_err:
1207         /* recover partition */
1208         ret = wlcore_set_partition(wl, &old_part);
1209         if (ret < 0)
1210                 goto part_err;
1211
1212 part_err:
1213         pm_runtime_mark_last_busy(wl->dev);
1214         pm_runtime_put_autosuspend(wl->dev);
1215
1216 skip_write:
1217         mutex_unlock(&wl->mutex);
1218
1219         if (ret == 0)
1220                 *ppos += bytes;
1221
1222         kfree(buf);
1223
1224         return ((ret == 0) ? bytes : ret);
1225 }
1226
1227 static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
1228 {
1229         /* only requests of dword-aligned size and offset are supported */
1230         if (offset % 4)
1231                 return -EINVAL;
1232
1233         return no_seek_end_llseek(file, offset, orig);
1234 }
1235
1236 static const struct file_operations dev_mem_ops = {
1237         .open = simple_open,
1238         .read = dev_mem_read,
1239         .write = dev_mem_write,
1240         .llseek = dev_mem_seek,
1241 };
1242
1243 static ssize_t fw_logger_read(struct file *file, char __user *user_buf,
1244                               size_t count, loff_t *ppos)
1245 {
1246         struct wl1271 *wl = file->private_data;
1247
1248         return wl1271_format_buffer(user_buf, count,
1249                                         ppos, "%d\n",
1250                                         wl->conf.fwlog.output);
1251 }
1252
1253 static ssize_t fw_logger_write(struct file *file,
1254                                const char __user *user_buf,
1255                                size_t count, loff_t *ppos)
1256 {
1257         struct wl1271 *wl = file->private_data;
1258         unsigned long value;
1259         int ret;
1260
1261         ret = kstrtoul_from_user(user_buf, count, 0, &value);
1262         if (ret < 0) {
1263                 wl1271_warning("illegal value in fw_logger");
1264                 return -EINVAL;
1265         }
1266
1267         if ((value > 2) || (value == 0)) {
1268                 wl1271_warning("fw_logger value must be 1-UART 2-SDIO");
1269                 return -ERANGE;
1270         }
1271
1272         if (wl->conf.fwlog.output == 0) {
1273                 wl1271_warning("invalid operation - fw logger disabled by default, please change mode via wlconf");
1274                 return -EINVAL;
1275         }
1276
1277         mutex_lock(&wl->mutex);
1278         ret = pm_runtime_get_sync(wl->dev);
1279         if (ret < 0) {
1280                 pm_runtime_put_noidle(wl->dev);
1281                 count = ret;
1282                 goto out;
1283         }
1284
1285         wl->conf.fwlog.output = value;
1286
1287         ret = wl12xx_cmd_config_fwlog(wl);
1288
1289         pm_runtime_mark_last_busy(wl->dev);
1290         pm_runtime_put_autosuspend(wl->dev);
1291
1292 out:
1293         mutex_unlock(&wl->mutex);
1294         return count;
1295 }
1296
1297 static const struct file_operations fw_logger_ops = {
1298         .open = simple_open,
1299         .read = fw_logger_read,
1300         .write = fw_logger_write,
1301         .llseek = default_llseek,
1302 };
1303
1304 static int wl1271_debugfs_add_files(struct wl1271 *wl,
1305                                     struct dentry *rootdir)
1306 {
1307         int ret = 0;
1308         struct dentry *entry, *streaming;
1309
1310         DEBUGFS_ADD(tx_queue_len, rootdir);
1311         DEBUGFS_ADD(retry_count, rootdir);
1312         DEBUGFS_ADD(excessive_retries, rootdir);
1313
1314         DEBUGFS_ADD(gpio_power, rootdir);
1315         DEBUGFS_ADD(start_recovery, rootdir);
1316         DEBUGFS_ADD(driver_state, rootdir);
1317         DEBUGFS_ADD(vifs_state, rootdir);
1318         DEBUGFS_ADD(dtim_interval, rootdir);
1319         DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1320         DEBUGFS_ADD(beacon_interval, rootdir);
1321         DEBUGFS_ADD(beacon_filtering, rootdir);
1322         DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1323         DEBUGFS_ADD(forced_ps, rootdir);
1324         DEBUGFS_ADD(split_scan_timeout, rootdir);
1325         DEBUGFS_ADD(irq_pkt_threshold, rootdir);
1326         DEBUGFS_ADD(irq_blk_threshold, rootdir);
1327         DEBUGFS_ADD(irq_timeout, rootdir);
1328         DEBUGFS_ADD(fw_stats_raw, rootdir);
1329         DEBUGFS_ADD(sleep_auth, rootdir);
1330         DEBUGFS_ADD(fw_logger, rootdir);
1331
1332         streaming = debugfs_create_dir("rx_streaming", rootdir);
1333         if (!streaming || IS_ERR(streaming))
1334                 goto err;
1335
1336         DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1337         DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1338
1339         DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
1340
1341         return 0;
1342
1343 err:
1344         if (IS_ERR(entry))
1345                 ret = PTR_ERR(entry);
1346         else
1347                 ret = -ENOMEM;
1348
1349         return ret;
1350 }
1351
1352 void wl1271_debugfs_reset(struct wl1271 *wl)
1353 {
1354         if (!wl->stats.fw_stats)
1355                 return;
1356
1357         memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
1358         wl->stats.retry_count = 0;
1359         wl->stats.excessive_retries = 0;
1360 }
1361
1362 int wl1271_debugfs_init(struct wl1271 *wl)
1363 {
1364         int ret;
1365         struct dentry *rootdir;
1366
1367         rootdir = debugfs_create_dir(KBUILD_MODNAME,
1368                                      wl->hw->wiphy->debugfsdir);
1369
1370         if (IS_ERR(rootdir)) {
1371                 ret = PTR_ERR(rootdir);
1372                 goto out;
1373         }
1374
1375         wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
1376         if (!wl->stats.fw_stats) {
1377                 ret = -ENOMEM;
1378                 goto out_remove;
1379         }
1380
1381         wl->stats.fw_stats_update = jiffies;
1382
1383         ret = wl1271_debugfs_add_files(wl, rootdir);
1384         if (ret < 0)
1385                 goto out_exit;
1386
1387         ret = wlcore_debugfs_init(wl, rootdir);
1388         if (ret < 0)
1389                 goto out_exit;
1390
1391         goto out;
1392
1393 out_exit:
1394         wl1271_debugfs_exit(wl);
1395
1396 out_remove:
1397         debugfs_remove_recursive(rootdir);
1398
1399 out:
1400         return ret;
1401 }
1402
1403 void wl1271_debugfs_exit(struct wl1271 *wl)
1404 {
1405         kfree(wl->stats.fw_stats);
1406         wl->stats.fw_stats = NULL;
1407 }