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
  30 #include "wlcore.h"
  31 #include "debug.h"
  32 #include "acx.h"
  33 #include "ps.h"
  34 #include "io.h"
  35 #include "tx.h"
  36 #include "hw_ops.h"
  37
  38 /* ms */
  39 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
  40
  41 /* debugfs macros idea from mac80211 */
  42 int wl1271_format_buffer(char __user *userbuf, size_t count,
  43                          loff_t *ppos, char *fmt, ...)
  44 {
  45         va_list args;
  46         char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
  47         int res;
  48
  49         va_start(args, fmt);
  50         res = vscnprintf(buf, sizeof(buf), fmt, args);
  51         va_end(args);
  52
  53         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
  54 }
  55 EXPORT_SYMBOL_GPL(wl1271_format_buffer);
  56
  57 void wl1271_debugfs_update_stats(struct wl1271 *wl)
  58 {
  59         int ret;
  60
  61         mutex_lock(&wl->mutex);
  62
  63         ret = wl1271_ps_elp_wakeup(wl);
  64         if (ret < 0)
  65                 goto out;
  66
  67         if (wl->state == WL1271_STATE_ON && !wl->plt &&
  68             time_after(jiffies, wl->stats.fw_stats_update +
  69                        msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
  70                 wl1271_acx_statistics(wl, wl->stats.fw_stats);
  71                 wl->stats.fw_stats_update = jiffies;
  72         }
  73
  74         wl1271_ps_elp_sleep(wl);
  75
  76 out:
  77         mutex_unlock(&wl->mutex);
  78 }
  79 EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
  80
  81 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
  82 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
  83                       wl->stats.excessive_retries);
  84
  85 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
  86                                  size_t count, loff_t *ppos)
  87 {
  88         struct wl1271 *wl = file->private_data;
  89         u32 queue_len;
  90         char buf[20];
  91         int res;
  92
  93         queue_len = wl1271_tx_total_queue_count(wl);
  94
  95         res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
  96         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
  97 }
  98
  99 static const struct file_operations tx_queue_len_ops = {
 100         .read = tx_queue_len_read,
 101         .open = simple_open,
 102         .llseek = default_llseek,
 103 };
 104
 105 static void chip_op_handler(struct wl1271 *wl, unsigned long value,
 106                             void *arg)
 107 {
 108         int ret;
 109         int (*chip_op) (struct wl1271 *wl);
 110
 111         if (!arg) {
 112                 wl1271_warning("debugfs chip_op_handler with no callback");
 113                 return;
 114         }
 115
 116         ret = wl1271_ps_elp_wakeup(wl);
 117         if (ret < 0)
 118                 return;
 119
 120         chip_op = arg;
 121         chip_op(wl);
 122
 123         wl1271_ps_elp_sleep(wl);
 124 }
 125
 126
 127 static inline void no_write_handler(struct wl1271 *wl,
 128                                     unsigned long value,
 129                                     unsigned long param)
 130 {
 131 }
 132
 133 #define WL12XX_CONF_DEBUGFS(param, conf_sub_struct,                     \
 134                             min_val, max_val, write_handler_locked,     \
 135                             write_handler_arg)                          \
 136         static ssize_t param##_read(struct file *file,                  \
 137                                       char __user *user_buf,            \
 138                                       size_t count, loff_t *ppos)       \
 139         {                                                               \
 140         struct wl1271 *wl = file->private_data;                         \
 141         return wl1271_format_buffer(user_buf, count,                    \
 142                                     ppos, "%d\n",                       \
 143                                     wl->conf.conf_sub_struct.param);    \
 144         }                                                               \
 145                                                                         \
 146         static ssize_t param##_write(struct file *file,                 \
 147                                      const char __user *user_buf,       \
 148                                      size_t count, loff_t *ppos)        \
 149         {                                                               \
 150         struct wl1271 *wl = file->private_data;                         \
 151         unsigned long value;                                            \
 152         int ret;                                                        \
 153                                                                         \
 154         ret = kstrtoul_from_user(user_buf, count, 10, &value);          \
 155         if (ret < 0) {                                                  \
 156                 wl1271_warning("illegal value for " #param);            \
 157                 return -EINVAL;                                         \
 158         }                                                               \
 159                                                                         \
 160         if (value < min_val || value > max_val) {                       \
 161                 wl1271_warning(#param " is not in valid range");        \
 162                 return -ERANGE;                                         \
 163         }                                                               \
 164                                                                         \
 165         mutex_lock(&wl->mutex);                                         \
 166         wl->conf.conf_sub_struct.param = value;                         \
 167                                                                         \
 168         write_handler_locked(wl, value, write_handler_arg);             \
 169                                                                         \
 170         mutex_unlock(&wl->mutex);                                       \
 171         return count;                                                   \
 172         }                                                               \
 173                                                                         \
 174         static const struct file_operations param##_ops = {             \
 175                 .read = param##_read,                                   \
 176                 .write = param##_write,                                 \
 177                 .open = simple_open,                                    \
 178                 .llseek = default_llseek,                               \
 179         };
 180
 181 WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
 182                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 183 WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
 184                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 185 WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
 186                     chip_op_handler, wl1271_acx_init_rx_interrupt)
 187
 188 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
 189                           size_t count, loff_t *ppos)
 190 {
 191         struct wl1271 *wl = file->private_data;
 192         bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 193
 194         int res;
 195         char buf[10];
 196
 197         res = scnprintf(buf, sizeof(buf), "%d\n", state);
 198
 199         return simple_read_from_buffer(user_buf, count, ppos, buf, res);
 200 }
 201
 202 static ssize_t gpio_power_write(struct file *file,
 203                            const char __user *user_buf,
 204                            size_t count, loff_t *ppos)
 205 {
 206         struct wl1271 *wl = file->private_data;
 207         unsigned long value;
 208         int ret;
 209
 210         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 211         if (ret < 0) {
 212                 wl1271_warning("illegal value in gpio_power");
 213                 return -EINVAL;
 214         }
 215
 216         mutex_lock(&wl->mutex);
 217
 218         if (value)
 219                 wl1271_power_on(wl);
 220         else
 221                 wl1271_power_off(wl);
 222
 223         mutex_unlock(&wl->mutex);
 224         return count;
 225 }
 226
 227 static const struct file_operations gpio_power_ops = {
 228         .read = gpio_power_read,
 229         .write = gpio_power_write,
 230         .open = simple_open,
 231         .llseek = default_llseek,
 232 };
 233
 234 static ssize_t start_recovery_write(struct file *file,
 235                                     const char __user *user_buf,
 236                                     size_t count, loff_t *ppos)
 237 {
 238         struct wl1271 *wl = file->private_data;
 239
 240         mutex_lock(&wl->mutex);
 241         wl12xx_queue_recovery_work(wl);
 242         mutex_unlock(&wl->mutex);
 243
 244         return count;
 245 }
 246
 247 static const struct file_operations start_recovery_ops = {
 248         .write = start_recovery_write,
 249         .open = simple_open,
 250         .llseek = default_llseek,
 251 };
 252
 253 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
 254                           size_t count, loff_t *ppos)
 255 {
 256         struct wl1271 *wl = file->private_data;
 257
 258         return wl1271_format_buffer(user_buf, count,
 259                                     ppos, "%d\n",
 260                                     wl->conf.conn.dynamic_ps_timeout);
 261 }
 262
 263 static ssize_t dynamic_ps_timeout_write(struct file *file,
 264                                     const char __user *user_buf,
 265                                     size_t count, loff_t *ppos)
 266 {
 267         struct wl1271 *wl = file->private_data;
 268         struct wl12xx_vif *wlvif;
 269         unsigned long value;
 270         int ret;
 271
 272         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 273         if (ret < 0) {
 274                 wl1271_warning("illegal value in dynamic_ps");
 275                 return -EINVAL;
 276         }
 277
 278         if (value < 1 || value > 65535) {
 279                 wl1271_warning("dyanmic_ps_timeout is not in valid range");
 280                 return -ERANGE;
 281         }
 282
 283         mutex_lock(&wl->mutex);
 284
 285         wl->conf.conn.dynamic_ps_timeout = value;
 286
 287         if (wl->state == WL1271_STATE_OFF)
 288                 goto out;
 289
 290         ret = wl1271_ps_elp_wakeup(wl);
 291         if (ret < 0)
 292                 goto out;
 293
 294         /* In case we're already in PSM, trigger it again to set new timeout
 295          * immediately without waiting for re-association
 296          */
 297
 298         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 299                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 300                         wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
 301         }
 302
 303         wl1271_ps_elp_sleep(wl);
 304
 305 out:
 306         mutex_unlock(&wl->mutex);
 307         return count;
 308 }
 309
 310 static const struct file_operations dynamic_ps_timeout_ops = {
 311         .read = dynamic_ps_timeout_read,
 312         .write = dynamic_ps_timeout_write,
 313         .open = simple_open,
 314         .llseek = default_llseek,
 315 };
 316
 317 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
 318                           size_t count, loff_t *ppos)
 319 {
 320         struct wl1271 *wl = file->private_data;
 321
 322         return wl1271_format_buffer(user_buf, count,
 323                                     ppos, "%d\n",
 324                                     wl->conf.conn.forced_ps);
 325 }
 326
 327 static ssize_t forced_ps_write(struct file *file,
 328                                     const char __user *user_buf,
 329                                     size_t count, loff_t *ppos)
 330 {
 331         struct wl1271 *wl = file->private_data;
 332         struct wl12xx_vif *wlvif;
 333         unsigned long value;
 334         int ret, ps_mode;
 335
 336         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 337         if (ret < 0) {
 338                 wl1271_warning("illegal value in forced_ps");
 339                 return -EINVAL;
 340         }
 341
 342         if (value != 1 && value != 0) {
 343                 wl1271_warning("forced_ps should be either 0 or 1");
 344                 return -ERANGE;
 345         }
 346
 347         mutex_lock(&wl->mutex);
 348
 349         if (wl->conf.conn.forced_ps == value)
 350                 goto out;
 351
 352         wl->conf.conn.forced_ps = value;
 353
 354         if (wl->state == WL1271_STATE_OFF)
 355                 goto out;
 356
 357         ret = wl1271_ps_elp_wakeup(wl);
 358         if (ret < 0)
 359                 goto out;
 360
 361         /* In case we're already in PSM, trigger it again to switch mode
 362          * immediately without waiting for re-association
 363          */
 364
 365         ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
 366
 367         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 368                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 369                         wl1271_ps_set_mode(wl, wlvif, ps_mode);
 370         }
 371
 372         wl1271_ps_elp_sleep(wl);
 373
 374 out:
 375         mutex_unlock(&wl->mutex);
 376         return count;
 377 }
 378
 379 static const struct file_operations forced_ps_ops = {
 380         .read = forced_ps_read,
 381         .write = forced_ps_write,
 382         .open = simple_open,
 383         .llseek = default_llseek,
 384 };
 385
 386 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
 387                           size_t count, loff_t *ppos)
 388 {
 389         struct wl1271 *wl = file->private_data;
 390
 391         return wl1271_format_buffer(user_buf, count,
 392                                     ppos, "%d\n",
 393                                     wl->conf.scan.split_scan_timeout / 1000);
 394 }
 395
 396 static ssize_t split_scan_timeout_write(struct file *file,
 397                                     const char __user *user_buf,
 398                                     size_t count, loff_t *ppos)
 399 {
 400         struct wl1271 *wl = file->private_data;
 401         unsigned long value;
 402         int ret;
 403
 404         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 405         if (ret < 0) {
 406                 wl1271_warning("illegal value in split_scan_timeout");
 407                 return -EINVAL;
 408         }
 409
 410         if (value == 0)
 411                 wl1271_info("split scan will be disabled");
 412
 413         mutex_lock(&wl->mutex);
 414
 415         wl->conf.scan.split_scan_timeout = value * 1000;
 416
 417         mutex_unlock(&wl->mutex);
 418         return count;
 419 }
 420
 421 static const struct file_operations split_scan_timeout_ops = {
 422         .read = split_scan_timeout_read,
 423         .write = split_scan_timeout_write,
 424         .open = simple_open,
 425         .llseek = default_llseek,
 426 };
 427
 428 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
 429                                  size_t count, loff_t *ppos)
 430 {
 431         struct wl1271 *wl = file->private_data;
 432         int res = 0;
 433         ssize_t ret;
 434         char *buf;
 435
 436 #define DRIVER_STATE_BUF_LEN 1024
 437
 438         buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
 439         if (!buf)
 440                 return -ENOMEM;
 441
 442         mutex_lock(&wl->mutex);
 443
 444 #define DRIVER_STATE_PRINT(x, fmt)   \
 445         (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
 446                           #x " = " fmt "\n", wl->x))
 447
 448 #define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
 449 #define DRIVER_STATE_PRINT_INT(x)  DRIVER_STATE_PRINT(x, "%d")
 450 #define DRIVER_STATE_PRINT_STR(x)  DRIVER_STATE_PRINT(x, "%s")
 451 #define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
 452 #define DRIVER_STATE_PRINT_HEX(x)  DRIVER_STATE_PRINT(x, "0x%x")
 453
 454         DRIVER_STATE_PRINT_INT(tx_blocks_available);
 455         DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
 456         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
 457         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
 458         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
 459         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
 460         DRIVER_STATE_PRINT_INT(tx_frames_cnt);
 461         DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
 462         DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
 463         DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
 464         DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
 465         DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
 466         DRIVER_STATE_PRINT_INT(tx_packets_count);
 467         DRIVER_STATE_PRINT_INT(tx_results_count);
 468         DRIVER_STATE_PRINT_LHEX(flags);
 469         DRIVER_STATE_PRINT_INT(tx_blocks_freed);
 470         DRIVER_STATE_PRINT_INT(rx_counter);
 471         DRIVER_STATE_PRINT_INT(state);
 472         DRIVER_STATE_PRINT_INT(channel);
 473         DRIVER_STATE_PRINT_INT(band);
 474         DRIVER_STATE_PRINT_INT(power_level);
 475         DRIVER_STATE_PRINT_INT(sg_enabled);
 476         DRIVER_STATE_PRINT_INT(enable_11a);
 477         DRIVER_STATE_PRINT_INT(noise);
 478         DRIVER_STATE_PRINT_HEX(ap_fw_ps_map);
 479         DRIVER_STATE_PRINT_LHEX(ap_ps_map);
 480         DRIVER_STATE_PRINT_HEX(quirks);
 481         DRIVER_STATE_PRINT_HEX(irq);
 482         /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */
 483         DRIVER_STATE_PRINT_HEX(hw_pg_ver);
 484         DRIVER_STATE_PRINT_HEX(platform_quirks);
 485         DRIVER_STATE_PRINT_HEX(chip.id);
 486         DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
 487         DRIVER_STATE_PRINT_INT(sched_scanning);
 488
 489 #undef DRIVER_STATE_PRINT_INT
 490 #undef DRIVER_STATE_PRINT_LONG
 491 #undef DRIVER_STATE_PRINT_HEX
 492 #undef DRIVER_STATE_PRINT_LHEX
 493 #undef DRIVER_STATE_PRINT_STR
 494 #undef DRIVER_STATE_PRINT
 495 #undef DRIVER_STATE_BUF_LEN
 496
 497         mutex_unlock(&wl->mutex);
 498
 499         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 500         kfree(buf);
 501         return ret;
 502 }
 503
 504 static const struct file_operations driver_state_ops = {
 505         .read = driver_state_read,
 506         .open = simple_open,
 507         .llseek = default_llseek,
 508 };
 509
 510 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
 511                                  size_t count, loff_t *ppos)
 512 {
 513         struct wl1271 *wl = file->private_data;
 514         struct wl12xx_vif *wlvif;
 515         int ret, res = 0;
 516         const int buf_size = 4096;
 517         char *buf;
 518         char tmp_buf[64];
 519
 520         buf = kzalloc(buf_size, GFP_KERNEL);
 521         if (!buf)
 522                 return -ENOMEM;
 523
 524         mutex_lock(&wl->mutex);
 525
 526 #define VIF_STATE_PRINT(x, fmt)                         \
 527         (res += scnprintf(buf + res, buf_size - res,    \
 528                           #x " = " fmt "\n", wlvif->x))
 529
 530 #define VIF_STATE_PRINT_LONG(x)  VIF_STATE_PRINT(x, "%ld")
 531 #define VIF_STATE_PRINT_INT(x)   VIF_STATE_PRINT(x, "%d")
 532 #define VIF_STATE_PRINT_STR(x)   VIF_STATE_PRINT(x, "%s")
 533 #define VIF_STATE_PRINT_LHEX(x)  VIF_STATE_PRINT(x, "0x%lx")
 534 #define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
 535 #define VIF_STATE_PRINT_HEX(x)   VIF_STATE_PRINT(x, "0x%x")
 536
 537 #define VIF_STATE_PRINT_NSTR(x, len)                            \
 538         do {                                                    \
 539                 memset(tmp_buf, 0, sizeof(tmp_buf));            \
 540                 memcpy(tmp_buf, wlvif->x,                       \
 541                        min_t(u8, len, sizeof(tmp_buf) - 1));    \
 542                 res += scnprintf(buf + res, buf_size - res,     \
 543                                  #x " = %s\n", tmp_buf);        \
 544         } while (0)
 545
 546         wl12xx_for_each_wlvif(wl, wlvif) {
 547                 VIF_STATE_PRINT_INT(role_id);
 548                 VIF_STATE_PRINT_INT(bss_type);
 549                 VIF_STATE_PRINT_LHEX(flags);
 550                 VIF_STATE_PRINT_INT(p2p);
 551                 VIF_STATE_PRINT_INT(dev_role_id);
 552                 VIF_STATE_PRINT_INT(dev_hlid);
 553
 554                 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
 555                     wlvif->bss_type == BSS_TYPE_IBSS) {
 556                         VIF_STATE_PRINT_INT(sta.hlid);
 557                         VIF_STATE_PRINT_INT(sta.ba_rx_bitmap);
 558                         VIF_STATE_PRINT_INT(sta.basic_rate_idx);
 559                         VIF_STATE_PRINT_INT(sta.ap_rate_idx);
 560                         VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
 561                         VIF_STATE_PRINT_INT(sta.qos);
 562                 } else {
 563                         VIF_STATE_PRINT_INT(ap.global_hlid);
 564                         VIF_STATE_PRINT_INT(ap.bcast_hlid);
 565                         VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
 566                         VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
 567                         VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
 568                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
 569                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
 570                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
 571                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
 572                 }
 573                 VIF_STATE_PRINT_INT(last_tx_hlid);
 574                 VIF_STATE_PRINT_LHEX(links_map[0]);
 575                 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
 576                 VIF_STATE_PRINT_INT(band);
 577                 VIF_STATE_PRINT_INT(channel);
 578                 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
 579                 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
 580                 VIF_STATE_PRINT_HEX(basic_rate_set);
 581                 VIF_STATE_PRINT_HEX(basic_rate);
 582                 VIF_STATE_PRINT_HEX(rate_set);
 583                 VIF_STATE_PRINT_INT(beacon_int);
 584                 VIF_STATE_PRINT_INT(default_key);
 585                 VIF_STATE_PRINT_INT(aid);
 586                 VIF_STATE_PRINT_INT(session_counter);
 587                 VIF_STATE_PRINT_INT(psm_entry_retry);
 588                 VIF_STATE_PRINT_INT(power_level);
 589                 VIF_STATE_PRINT_INT(rssi_thold);
 590                 VIF_STATE_PRINT_INT(last_rssi_event);
 591                 VIF_STATE_PRINT_INT(ba_support);
 592                 VIF_STATE_PRINT_INT(ba_allowed);
 593                 VIF_STATE_PRINT_LLHEX(tx_security_seq);
 594                 VIF_STATE_PRINT_INT(tx_security_last_seq_lsb);
 595         }
 596
 597 #undef VIF_STATE_PRINT_INT
 598 #undef VIF_STATE_PRINT_LONG
 599 #undef VIF_STATE_PRINT_HEX
 600 #undef VIF_STATE_PRINT_LHEX
 601 #undef VIF_STATE_PRINT_LLHEX
 602 #undef VIF_STATE_PRINT_STR
 603 #undef VIF_STATE_PRINT_NSTR
 604 #undef VIF_STATE_PRINT
 605
 606         mutex_unlock(&wl->mutex);
 607
 608         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 609         kfree(buf);
 610         return ret;
 611 }
 612
 613 static const struct file_operations vifs_state_ops = {
 614         .read = vifs_state_read,
 615         .open = simple_open,
 616         .llseek = default_llseek,
 617 };
 618
 619 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
 620                                   size_t count, loff_t *ppos)
 621 {
 622         struct wl1271 *wl = file->private_data;
 623         u8 value;
 624
 625         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 626             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 627                 value = wl->conf.conn.listen_interval;
 628         else
 629                 value = 0;
 630
 631         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 632 }
 633
 634 static ssize_t dtim_interval_write(struct file *file,
 635                                    const char __user *user_buf,
 636                                    size_t count, loff_t *ppos)
 637 {
 638         struct wl1271 *wl = file->private_data;
 639         unsigned long value;
 640         int ret;
 641
 642         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 643         if (ret < 0) {
 644                 wl1271_warning("illegal value for dtim_interval");
 645                 return -EINVAL;
 646         }
 647
 648         if (value < 1 || value > 10) {
 649                 wl1271_warning("dtim value is not in valid range");
 650                 return -ERANGE;
 651         }
 652
 653         mutex_lock(&wl->mutex);
 654
 655         wl->conf.conn.listen_interval = value;
 656         /* for some reason there are different event types for 1 and >1 */
 657         if (value == 1)
 658                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 659         else
 660                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 661
 662         /*
 663          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 664          * take effect on the next time we enter psm.
 665          */
 666         mutex_unlock(&wl->mutex);
 667         return count;
 668 }
 669
 670 static const struct file_operations dtim_interval_ops = {
 671         .read = dtim_interval_read,
 672         .write = dtim_interval_write,
 673         .open = simple_open,
 674         .llseek = default_llseek,
 675 };
 676
 677
 678
 679 static ssize_t suspend_dtim_interval_read(struct file *file,
 680                                           char __user *user_buf,
 681                                           size_t count, loff_t *ppos)
 682 {
 683         struct wl1271 *wl = file->private_data;
 684         u8 value;
 685
 686         if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 687             wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 688                 value = wl->conf.conn.suspend_listen_interval;
 689         else
 690                 value = 0;
 691
 692         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 693 }
 694
 695 static ssize_t suspend_dtim_interval_write(struct file *file,
 696                                            const char __user *user_buf,
 697                                            size_t count, loff_t *ppos)
 698 {
 699         struct wl1271 *wl = file->private_data;
 700         unsigned long value;
 701         int ret;
 702
 703         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 704         if (ret < 0) {
 705                 wl1271_warning("illegal value for suspend_dtim_interval");
 706                 return -EINVAL;
 707         }
 708
 709         if (value < 1 || value > 10) {
 710                 wl1271_warning("suspend_dtim value is not in valid range");
 711                 return -ERANGE;
 712         }
 713
 714         mutex_lock(&wl->mutex);
 715
 716         wl->conf.conn.suspend_listen_interval = value;
 717         /* for some reason there are different event types for 1 and >1 */
 718         if (value == 1)
 719                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 720         else
 721                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 722
 723         mutex_unlock(&wl->mutex);
 724         return count;
 725 }
 726
 727
 728 static const struct file_operations suspend_dtim_interval_ops = {
 729         .read = suspend_dtim_interval_read,
 730         .write = suspend_dtim_interval_write,
 731         .open = simple_open,
 732         .llseek = default_llseek,
 733 };
 734
 735 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
 736                                     size_t count, loff_t *ppos)
 737 {
 738         struct wl1271 *wl = file->private_data;
 739         u8 value;
 740
 741         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
 742             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
 743                 value = wl->conf.conn.listen_interval;
 744         else
 745                 value = 0;
 746
 747         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 748 }
 749
 750 static ssize_t beacon_interval_write(struct file *file,
 751                                      const char __user *user_buf,
 752                                      size_t count, loff_t *ppos)
 753 {
 754         struct wl1271 *wl = file->private_data;
 755         unsigned long value;
 756         int ret;
 757
 758         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 759         if (ret < 0) {
 760                 wl1271_warning("illegal value for beacon_interval");
 761                 return -EINVAL;
 762         }
 763
 764         if (value < 1 || value > 255) {
 765                 wl1271_warning("beacon interval value is not in valid range");
 766                 return -ERANGE;
 767         }
 768
 769         mutex_lock(&wl->mutex);
 770
 771         wl->conf.conn.listen_interval = value;
 772         /* for some reason there are different event types for 1 and >1 */
 773         if (value == 1)
 774                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
 775         else
 776                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
 777
 778         /*
 779          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 780          * take effect on the next time we enter psm.
 781          */
 782         mutex_unlock(&wl->mutex);
 783         return count;
 784 }
 785
 786 static const struct file_operations beacon_interval_ops = {
 787         .read = beacon_interval_read,
 788         .write = beacon_interval_write,
 789         .open = simple_open,
 790         .llseek = default_llseek,
 791 };
 792
 793 static ssize_t rx_streaming_interval_write(struct file *file,
 794                            const char __user *user_buf,
 795                            size_t count, loff_t *ppos)
 796 {
 797         struct wl1271 *wl = file->private_data;
 798         struct wl12xx_vif *wlvif;
 799         unsigned long value;
 800         int ret;
 801
 802         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 803         if (ret < 0) {
 804                 wl1271_warning("illegal value in rx_streaming_interval!");
 805                 return -EINVAL;
 806         }
 807
 808         /* valid values: 0, 10-100 */
 809         if (value && (value < 10 || value > 100)) {
 810                 wl1271_warning("value is not in range!");
 811                 return -ERANGE;
 812         }
 813
 814         mutex_lock(&wl->mutex);
 815
 816         wl->conf.rx_streaming.interval = value;
 817
 818         ret = wl1271_ps_elp_wakeup(wl);
 819         if (ret < 0)
 820                 goto out;
 821
 822         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 823                 wl1271_recalc_rx_streaming(wl, wlvif);
 824         }
 825
 826         wl1271_ps_elp_sleep(wl);
 827 out:
 828         mutex_unlock(&wl->mutex);
 829         return count;
 830 }
 831
 832 static ssize_t rx_streaming_interval_read(struct file *file,
 833                             char __user *userbuf,
 834                             size_t count, loff_t *ppos)
 835 {
 836         struct wl1271 *wl = file->private_data;
 837         return wl1271_format_buffer(userbuf, count, ppos,
 838                                     "%d\n", wl->conf.rx_streaming.interval);
 839 }
 840
 841 static const struct file_operations rx_streaming_interval_ops = {
 842         .read = rx_streaming_interval_read,
 843         .write = rx_streaming_interval_write,
 844         .open = simple_open,
 845         .llseek = default_llseek,
 846 };
 847
 848 static ssize_t rx_streaming_always_write(struct file *file,
 849                            const char __user *user_buf,
 850                            size_t count, loff_t *ppos)
 851 {
 852         struct wl1271 *wl = file->private_data;
 853         struct wl12xx_vif *wlvif;
 854         unsigned long value;
 855         int ret;
 856
 857         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 858         if (ret < 0) {
 859                 wl1271_warning("illegal value in rx_streaming_write!");
 860                 return -EINVAL;
 861         }
 862
 863         /* valid values: 0, 10-100 */
 864         if (!(value == 0 || value == 1)) {
 865                 wl1271_warning("value is not in valid!");
 866                 return -EINVAL;
 867         }
 868
 869         mutex_lock(&wl->mutex);
 870
 871         wl->conf.rx_streaming.always = value;
 872
 873         ret = wl1271_ps_elp_wakeup(wl);
 874         if (ret < 0)
 875                 goto out;
 876
 877         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 878                 wl1271_recalc_rx_streaming(wl, wlvif);
 879         }
 880
 881         wl1271_ps_elp_sleep(wl);
 882 out:
 883         mutex_unlock(&wl->mutex);
 884         return count;
 885 }
 886
 887 static ssize_t rx_streaming_always_read(struct file *file,
 888                             char __user *userbuf,
 889                             size_t count, loff_t *ppos)
 890 {
 891         struct wl1271 *wl = file->private_data;
 892         return wl1271_format_buffer(userbuf, count, ppos,
 893                                     "%d\n", wl->conf.rx_streaming.always);
 894 }
 895
 896 static const struct file_operations rx_streaming_always_ops = {
 897         .read = rx_streaming_always_read,
 898         .write = rx_streaming_always_write,
 899         .open = simple_open,
 900         .llseek = default_llseek,
 901 };
 902
 903 static ssize_t beacon_filtering_write(struct file *file,
 904                                       const char __user *user_buf,
 905                                       size_t count, loff_t *ppos)
 906 {
 907         struct wl1271 *wl = file->private_data;
 908         struct wl12xx_vif *wlvif;
 909         char buf[10];
 910         size_t len;
 911         unsigned long value;
 912         int ret;
 913
 914         len = min(count, sizeof(buf) - 1);
 915         if (copy_from_user(buf, user_buf, len))
 916                 return -EFAULT;
 917         buf[len] = '\0';
 918
 919         ret = kstrtoul(buf, 0, &value);
 920         if (ret < 0) {
 921                 wl1271_warning("illegal value for beacon_filtering!");
 922                 return -EINVAL;
 923         }
 924
 925         mutex_lock(&wl->mutex);
 926
 927         ret = wl1271_ps_elp_wakeup(wl);
 928         if (ret < 0)
 929                 goto out;
 930
 931         wl12xx_for_each_wlvif(wl, wlvif) {
 932                 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
 933         }
 934
 935         wl1271_ps_elp_sleep(wl);
 936 out:
 937         mutex_unlock(&wl->mutex);
 938         return count;
 939 }
 940
 941 static const struct file_operations beacon_filtering_ops = {
 942         .write = beacon_filtering_write,
 943         .open = simple_open,
 944         .llseek = default_llseek,
 945 };
 946
 947 static int wl1271_debugfs_add_files(struct wl1271 *wl,
 948                                     struct dentry *rootdir)
 949 {
 950         int ret = 0;
 951         struct dentry *entry, *streaming;
 952
 953         DEBUGFS_ADD(tx_queue_len, rootdir);
 954         DEBUGFS_ADD(retry_count, rootdir);
 955         DEBUGFS_ADD(excessive_retries, rootdir);
 956
 957         DEBUGFS_ADD(gpio_power, rootdir);
 958         DEBUGFS_ADD(start_recovery, rootdir);
 959         DEBUGFS_ADD(driver_state, rootdir);
 960         DEBUGFS_ADD(vifs_state, rootdir);
 961         DEBUGFS_ADD(dtim_interval, rootdir);
 962         DEBUGFS_ADD(suspend_dtim_interval, rootdir);
 963         DEBUGFS_ADD(beacon_interval, rootdir);
 964         DEBUGFS_ADD(beacon_filtering, rootdir);
 965         DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
 966         DEBUGFS_ADD(forced_ps, rootdir);
 967         DEBUGFS_ADD(split_scan_timeout, rootdir);
 968         DEBUGFS_ADD(irq_pkt_threshold, rootdir);
 969         DEBUGFS_ADD(irq_blk_threshold, rootdir);
 970         DEBUGFS_ADD(irq_timeout, rootdir);
 971
 972         streaming = debugfs_create_dir("rx_streaming", rootdir);
 973         if (!streaming || IS_ERR(streaming))
 974                 goto err;
 975
 976         DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
 977         DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
 978
 979
 980         return 0;
 981
 982 err:
 983         if (IS_ERR(entry))
 984                 ret = PTR_ERR(entry);
 985         else
 986                 ret = -ENOMEM;
 987
 988         return ret;
 989 }
 990
 991 void wl1271_debugfs_reset(struct wl1271 *wl)
 992 {
 993         if (!wl->stats.fw_stats)
 994                 return;
 995
 996         memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
 997         wl->stats.retry_count = 0;
 998         wl->stats.excessive_retries = 0;
 999 }
1000
1001 int wl1271_debugfs_init(struct wl1271 *wl)
1002 {
1003         int ret;
1004         struct dentry *rootdir;
1005
1006         rootdir = debugfs_create_dir(KBUILD_MODNAME,
1007                                      wl->hw->wiphy->debugfsdir);
1008
1009         if (IS_ERR(rootdir)) {
1010                 ret = PTR_ERR(rootdir);
1011                 goto out;
1012         }
1013
1014         wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
1015         if (!wl->stats.fw_stats) {
1016                 ret = -ENOMEM;
1017                 goto out_remove;
1018         }
1019
1020         wl->stats.fw_stats_update = jiffies;
1021
1022         ret = wl1271_debugfs_add_files(wl, rootdir);
1023         if (ret < 0)
1024                 goto out_exit;
1025
1026         ret = wlcore_debugfs_init(wl, rootdir);
1027         if (ret < 0)
1028                 goto out_exit;
1029
1030         goto out;
1031
1032 out_exit:
1033         wl1271_debugfs_exit(wl);
1034
1035 out_remove:
1036         debugfs_remove_recursive(rootdir);
1037
1038 out:
1039         return ret;
1040 }
1041
1042 void wl1271_debugfs_exit(struct wl1271 *wl)
1043 {
1044         kfree(wl->stats.fw_stats);
1045         wl->stats.fw_stats = NULL;
1046 }