drivers/net/wireless/wl12xx/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
  29 #include "wl12xx.h"
  30 #include "debug.h"
  31 #include "acx.h"
  32 #include "ps.h"
  33 #include "io.h"
  34 #include "tx.h"
  35
  36 /* ms */
  37 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
  38
  39 /* debugfs macros idea from mac80211 */
  40 #define DEBUGFS_FORMAT_BUFFER_SIZE 100
  41 static int wl1271_format_buffer(char __user *userbuf, size_t count,
  42                                     loff_t *ppos, char *fmt, ...)
  43 {
  44         va_list args;
  45         char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
  46         int res;
  47
  48         va_start(args, fmt);
  49         res = vscnprintf(buf, sizeof(buf), fmt, args);
  50         va_end(args);
  51
  52         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
  53 }
  54
  55 #define DEBUGFS_READONLY_FILE(name, fmt, value...)                      \
  56 static ssize_t name## _read(struct file *file, char __user *userbuf,    \
  57                             size_t count, loff_t *ppos)                 \
  58 {                                                                       \
  59         struct wl1271 *wl = file->private_data;                         \
  60         return wl1271_format_buffer(userbuf, count, ppos,               \
  61                                     fmt "\n", ##value);                 \
  62 }                                                                       \
  63                                                                         \
  64 static const struct file_operations name## _ops = {                     \
  65         .read = name## _read,                                           \
  66         .open = wl1271_open_file_generic,                               \
  67         .llseek = generic_file_llseek,                                  \
  68 };
  69
  70 #define DEBUGFS_ADD(name, parent)                                       \
  71         entry = debugfs_create_file(#name, 0400, parent,                \
  72                                     wl, &name## _ops);                  \
  73         if (!entry || IS_ERR(entry))                                    \
  74                 goto err;                                               \
  75
  76 #define DEBUGFS_ADD_PREFIX(prefix, name, parent)                        \
  77         do {                                                            \
  78                 entry = debugfs_create_file(#name, 0400, parent,        \
  79                                     wl, &prefix## _## name## _ops);     \
  80                 if (!entry || IS_ERR(entry))                            \
  81                         goto err;                                       \
  82         } while (0);
  83
  84 #define DEBUGFS_FWSTATS_FILE(sub, name, fmt)                            \
  85 static ssize_t sub## _ ##name## _read(struct file *file,                \
  86                                       char __user *userbuf,             \
  87                                       size_t count, loff_t *ppos)       \
  88 {                                                                       \
  89         struct wl1271 *wl = file->private_data;                         \
  90                                                                         \
  91         wl1271_debugfs_update_stats(wl);                                \
  92                                                                         \
  93         return wl1271_format_buffer(userbuf, count, ppos, fmt "\n",     \
  94                                     wl->stats.fw_stats->sub.name);      \
  95 }                                                                       \
  96                                                                         \
  97 static const struct file_operations sub## _ ##name## _ops = {           \
  98         .read = sub## _ ##name## _read,                                 \
  99         .open = wl1271_open_file_generic,                               \
 100         .llseek = generic_file_llseek,                                  \
 101 };
 102
 103 #define DEBUGFS_FWSTATS_ADD(sub, name)                          \
 104         DEBUGFS_ADD(sub## _ ##name, stats)
 105
 106 static void wl1271_debugfs_update_stats(struct wl1271 *wl)
 107 {
 108         int ret;
 109
 110         mutex_lock(&wl->mutex);
 111
 112         ret = wl1271_ps_elp_wakeup(wl);
 113         if (ret < 0)
 114                 goto out;
 115
 116         if (wl->state == WL1271_STATE_ON && !wl->plt &&
 117             time_after(jiffies, wl->stats.fw_stats_update +
 118                        msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
 119                 wl1271_acx_statistics(wl, wl->stats.fw_stats);
 120                 wl->stats.fw_stats_update = jiffies;
 121         }
 122
 123         wl1271_ps_elp_sleep(wl);
 124
 125 out:
 126         mutex_unlock(&wl->mutex);
 127 }
 128
 129 static int wl1271_open_file_generic(struct inode *inode, struct file *file)
 130 {
 131         file->private_data = inode->i_private;
 132         return 0;
 133 }
 134
 135 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u");
 136
 137 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u");
 138 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u");
 139 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u");
 140 DEBUGFS_FWSTATS_FILE(rx, dropped, "%u");
 141 DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u");
 142 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u");
 143 DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u");
 144 DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u");
 145
 146 DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u");
 147 DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u");
 148 DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u");
 149 DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u");
 150
 151 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u");
 152 DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u");
 153 DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u");
 154 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u");
 155 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u");
 156 DEBUGFS_FWSTATS_FILE(isr, irqs, "%u");
 157 DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u");
 158 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u");
 159 DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u");
 160 DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u");
 161 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u");
 162 DEBUGFS_FWSTATS_FILE(isr, commands, "%u");
 163 DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u");
 164 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u");
 165 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u");
 166 DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u");
 167 DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u");
 168 DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u");
 169
 170 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u");
 171 DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u");
 172 /* skipping wep.reserved */
 173 DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u");
 174 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u");
 175 DEBUGFS_FWSTATS_FILE(wep, packets, "%u");
 176 DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u");
 177
 178 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u");
 179 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u");
 180 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u");
 181 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u");
 182 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u");
 183 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u");
 184 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u");
 185 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u");
 186 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u");
 187 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u");
 188 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u");
 189 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u");
 190 /* skipping cont_miss_bcns_spread for now */
 191 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u");
 192
 193 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u");
 194 DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u");
 195
 196 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u");
 197 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u");
 198 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u");
 199 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u");
 200 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u");
 201 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u");
 202
 203 DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u");
 204 DEBUGFS_FWSTATS_FILE(event, calibration, "%u");
 205 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u");
 206 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u");
 207 DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u");
 208 DEBUGFS_FWSTATS_FILE(event, oom_late, "%u");
 209 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u");
 210 DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u");
 211
 212 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u");
 213 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u");
 214 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u");
 215 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u");
 216 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u");
 217 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u");
 218 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u");
 219
 220 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u");
 221 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u");
 222 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u");
 223 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u");
 224 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");
 225
 226 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
 227 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
 228                       wl->stats.excessive_retries);
 229
 230 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
 231                                  size_t count, loff_t *ppos)
 232 {
 233         struct wl1271 *wl = file->private_data;
 234         u32 queue_len;
 235         char buf[20];
 236         int res;
 237
 238         queue_len = wl1271_tx_total_queue_count(wl);
 239
 240         res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
 241         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 242 }
 243
 244 static const struct file_operations tx_queue_len_ops = {
 245         .read = tx_queue_len_read,
 246         .open = wl1271_open_file_generic,
 247         .llseek = default_llseek,
 248 };
 249
 250 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
 251                           size_t count, loff_t *ppos)
 252 {
 253         struct wl1271 *wl = file->private_data;
 254         bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 255
 256         int res;
 257         char buf[10];
 258
 259         res = scnprintf(buf, sizeof(buf), "%d\n", state);
 260
 261         return simple_read_from_buffer(user_buf, count, ppos, buf, res);
 262 }
 263
 264 static ssize_t gpio_power_write(struct file *file,
 265                            const char __user *user_buf,
 266                            size_t count, loff_t *ppos)
 267 {
 268         struct wl1271 *wl = file->private_data;
 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 gpio_power");
 275                 return -EINVAL;
 276         }
 277
 278         mutex_lock(&wl->mutex);
 279
 280         if (value)
 281                 wl1271_power_on(wl);
 282         else
 283                 wl1271_power_off(wl);
 284
 285         mutex_unlock(&wl->mutex);
 286         return count;
 287 }
 288
 289 static const struct file_operations gpio_power_ops = {
 290         .read = gpio_power_read,
 291         .write = gpio_power_write,
 292         .open = wl1271_open_file_generic,
 293         .llseek = default_llseek,
 294 };
 295
 296 static ssize_t start_recovery_write(struct file *file,
 297                                     const char __user *user_buf,
 298                                     size_t count, loff_t *ppos)
 299 {
 300         struct wl1271 *wl = file->private_data;
 301
 302         mutex_lock(&wl->mutex);
 303         wl12xx_queue_recovery_work(wl);
 304         mutex_unlock(&wl->mutex);
 305
 306         return count;
 307 }
 308
 309 static const struct file_operations start_recovery_ops = {
 310         .write = start_recovery_write,
 311         .open = wl1271_open_file_generic,
 312         .llseek = default_llseek,
 313 };
 314
 315 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
 316                           size_t count, loff_t *ppos)
 317 {
 318         struct wl1271 *wl = file->private_data;
 319
 320         return wl1271_format_buffer(user_buf, count,
 321                                     ppos, "%d\n",
 322                                     wl->conf.conn.dynamic_ps_timeout);
 323 }
 324
 325 static ssize_t dynamic_ps_timeout_write(struct file *file,
 326                                     const char __user *user_buf,
 327                                     size_t count, loff_t *ppos)
 328 {
 329         struct wl1271 *wl = file->private_data;
 330         struct wl12xx_vif *wlvif;
 331         unsigned long value;
 332         int ret;
 333
 334         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 335         if (ret < 0) {
 336                 wl1271_warning("illegal value in dynamic_ps");
 337                 return -EINVAL;
 338         }
 339
 340         if (value < 1 || value > 65535) {
 341                 wl1271_warning("dyanmic_ps_timeout is not in valid range");
 342                 return -ERANGE;
 343         }
 344
 345         mutex_lock(&wl->mutex);
 346
 347         wl->conf.conn.dynamic_ps_timeout = value;
 348
 349         if (wl->state == WL1271_STATE_OFF)
 350                 goto out;
 351
 352         ret = wl1271_ps_elp_wakeup(wl);
 353         if (ret < 0)
 354                 goto out;
 355
 356         /* In case we're already in PSM, trigger it again to set new timeout
 357          * immediately without waiting for re-association
 358          */
 359
 360         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 361                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 362                         wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
 363         }
 364
 365         wl1271_ps_elp_sleep(wl);
 366
 367 out:
 368         mutex_unlock(&wl->mutex);
 369         return count;
 370 }
 371
 372 static const struct file_operations dynamic_ps_timeout_ops = {
 373         .read = dynamic_ps_timeout_read,
 374         .write = dynamic_ps_timeout_write,
 375         .open = wl1271_open_file_generic,
 376         .llseek = default_llseek,
 377 };
 378
 379 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
 380                           size_t count, loff_t *ppos)
 381 {
 382         struct wl1271 *wl = file->private_data;
 383
 384         return wl1271_format_buffer(user_buf, count,
 385                                     ppos, "%d\n",
 386                                     wl->conf.conn.forced_ps);
 387 }
 388
 389 static ssize_t forced_ps_write(struct file *file,
 390                                     const char __user *user_buf,
 391                                     size_t count, loff_t *ppos)
 392 {
 393         struct wl1271 *wl = file->private_data;
 394         struct wl12xx_vif *wlvif;
 395         unsigned long value;
 396         int ret, ps_mode;
 397
 398         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 399         if (ret < 0) {
 400                 wl1271_warning("illegal value in forced_ps");
 401                 return -EINVAL;
 402         }
 403
 404         if (value != 1 && value != 0) {
 405                 wl1271_warning("forced_ps should be either 0 or 1");
 406                 return -ERANGE;
 407         }
 408
 409         mutex_lock(&wl->mutex);
 410
 411         if (wl->conf.conn.forced_ps == value)
 412                 goto out;
 413
 414         wl->conf.conn.forced_ps = value;
 415
 416         if (wl->state == WL1271_STATE_OFF)
 417                 goto out;
 418
 419         ret = wl1271_ps_elp_wakeup(wl);
 420         if (ret < 0)
 421                 goto out;
 422
 423         /* In case we're already in PSM, trigger it again to switch mode
 424          * immediately without waiting for re-association
 425          */
 426
 427         ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
 428
 429         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 430                 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
 431                         wl1271_ps_set_mode(wl, wlvif, ps_mode);
 432         }
 433
 434         wl1271_ps_elp_sleep(wl);
 435
 436 out:
 437         mutex_unlock(&wl->mutex);
 438         return count;
 439 }
 440
 441 static const struct file_operations forced_ps_ops = {
 442         .read = forced_ps_read,
 443         .write = forced_ps_write,
 444         .open = wl1271_open_file_generic,
 445         .llseek = default_llseek,
 446 };
 447
 448 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
 449                           size_t count, loff_t *ppos)
 450 {
 451         struct wl1271 *wl = file->private_data;
 452
 453         return wl1271_format_buffer(user_buf, count,
 454                                     ppos, "%d\n",
 455                                     wl->conf.scan.split_scan_timeout / 1000);
 456 }
 457
 458 static ssize_t split_scan_timeout_write(struct file *file,
 459                                     const char __user *user_buf,
 460                                     size_t count, loff_t *ppos)
 461 {
 462         struct wl1271 *wl = file->private_data;
 463         unsigned long value;
 464         int ret;
 465
 466         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 467         if (ret < 0) {
 468                 wl1271_warning("illegal value in split_scan_timeout");
 469                 return -EINVAL;
 470         }
 471
 472         if (value == 0)
 473                 wl1271_info("split scan will be disabled");
 474
 475         mutex_lock(&wl->mutex);
 476
 477         wl->conf.scan.split_scan_timeout = value * 1000;
 478
 479         mutex_unlock(&wl->mutex);
 480         return count;
 481 }
 482
 483 static const struct file_operations split_scan_timeout_ops = {
 484         .read = split_scan_timeout_read,
 485         .write = split_scan_timeout_write,
 486         .open = wl1271_open_file_generic,
 487         .llseek = default_llseek,
 488 };
 489
 490 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
 491                                  size_t count, loff_t *ppos)
 492 {
 493         struct wl1271 *wl = file->private_data;
 494         int res = 0;
 495         ssize_t ret;
 496         char *buf;
 497
 498 #define DRIVER_STATE_BUF_LEN 1024
 499
 500         buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
 501         if (!buf)
 502                 return -ENOMEM;
 503
 504         mutex_lock(&wl->mutex);
 505
 506 #define DRIVER_STATE_PRINT(x, fmt)   \
 507         (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
 508                           #x " = " fmt "\n", wl->x))
 509
 510 #define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
 511 #define DRIVER_STATE_PRINT_INT(x)  DRIVER_STATE_PRINT(x, "%d")
 512 #define DRIVER_STATE_PRINT_STR(x)  DRIVER_STATE_PRINT(x, "%s")
 513 #define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
 514 #define DRIVER_STATE_PRINT_HEX(x)  DRIVER_STATE_PRINT(x, "0x%x")
 515
 516         DRIVER_STATE_PRINT_INT(tx_blocks_available);
 517         DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
 518         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
 519         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
 520         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
 521         DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
 522         DRIVER_STATE_PRINT_INT(tx_frames_cnt);
 523         DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
 524         DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
 525         DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
 526         DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
 527         DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
 528         DRIVER_STATE_PRINT_INT(tx_packets_count);
 529         DRIVER_STATE_PRINT_INT(tx_results_count);
 530         DRIVER_STATE_PRINT_LHEX(flags);
 531         DRIVER_STATE_PRINT_INT(tx_blocks_freed);
 532         DRIVER_STATE_PRINT_INT(rx_counter);
 533         DRIVER_STATE_PRINT_INT(state);
 534         DRIVER_STATE_PRINT_INT(channel);
 535         DRIVER_STATE_PRINT_INT(band);
 536         DRIVER_STATE_PRINT_INT(power_level);
 537         DRIVER_STATE_PRINT_INT(sg_enabled);
 538         DRIVER_STATE_PRINT_INT(enable_11a);
 539         DRIVER_STATE_PRINT_INT(noise);
 540         DRIVER_STATE_PRINT_HEX(ap_fw_ps_map);
 541         DRIVER_STATE_PRINT_LHEX(ap_ps_map);
 542         DRIVER_STATE_PRINT_HEX(quirks);
 543         DRIVER_STATE_PRINT_HEX(irq);
 544         DRIVER_STATE_PRINT_HEX(ref_clock);
 545         DRIVER_STATE_PRINT_HEX(tcxo_clock);
 546         DRIVER_STATE_PRINT_HEX(hw_pg_ver);
 547         DRIVER_STATE_PRINT_HEX(platform_quirks);
 548         DRIVER_STATE_PRINT_HEX(chip.id);
 549         DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
 550         DRIVER_STATE_PRINT_INT(sched_scanning);
 551
 552 #undef DRIVER_STATE_PRINT_INT
 553 #undef DRIVER_STATE_PRINT_LONG
 554 #undef DRIVER_STATE_PRINT_HEX
 555 #undef DRIVER_STATE_PRINT_LHEX
 556 #undef DRIVER_STATE_PRINT_STR
 557 #undef DRIVER_STATE_PRINT
 558 #undef DRIVER_STATE_BUF_LEN
 559
 560         mutex_unlock(&wl->mutex);
 561
 562         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 563         kfree(buf);
 564         return ret;
 565 }
 566
 567 static const struct file_operations driver_state_ops = {
 568         .read = driver_state_read,
 569         .open = wl1271_open_file_generic,
 570         .llseek = default_llseek,
 571 };
 572
 573 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
 574                                  size_t count, loff_t *ppos)
 575 {
 576         struct wl1271 *wl = file->private_data;
 577         struct wl12xx_vif *wlvif;
 578         int ret, res = 0;
 579         const int buf_size = 4096;
 580         char *buf;
 581         char tmp_buf[64];
 582
 583         buf = kzalloc(buf_size, GFP_KERNEL);
 584         if (!buf)
 585                 return -ENOMEM;
 586
 587         mutex_lock(&wl->mutex);
 588
 589 #define VIF_STATE_PRINT(x, fmt)                         \
 590         (res += scnprintf(buf + res, buf_size - res,    \
 591                           #x " = " fmt "\n", wlvif->x))
 592
 593 #define VIF_STATE_PRINT_LONG(x)  VIF_STATE_PRINT(x, "%ld")
 594 #define VIF_STATE_PRINT_INT(x)   VIF_STATE_PRINT(x, "%d")
 595 #define VIF_STATE_PRINT_STR(x)   VIF_STATE_PRINT(x, "%s")
 596 #define VIF_STATE_PRINT_LHEX(x)  VIF_STATE_PRINT(x, "0x%lx")
 597 #define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
 598 #define VIF_STATE_PRINT_HEX(x)   VIF_STATE_PRINT(x, "0x%x")
 599
 600 #define VIF_STATE_PRINT_NSTR(x, len)                            \
 601         do {                                                    \
 602                 memset(tmp_buf, 0, sizeof(tmp_buf));            \
 603                 memcpy(tmp_buf, wlvif->x,                       \
 604                        min_t(u8, len, sizeof(tmp_buf) - 1));    \
 605                 res += scnprintf(buf + res, buf_size - res,     \
 606                                  #x " = %s\n", tmp_buf);        \
 607         } while (0)
 608
 609         wl12xx_for_each_wlvif(wl, wlvif) {
 610                 VIF_STATE_PRINT_INT(role_id);
 611                 VIF_STATE_PRINT_INT(bss_type);
 612                 VIF_STATE_PRINT_LHEX(flags);
 613                 VIF_STATE_PRINT_INT(p2p);
 614                 VIF_STATE_PRINT_INT(dev_role_id);
 615                 VIF_STATE_PRINT_INT(dev_hlid);
 616
 617                 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
 618                     wlvif->bss_type == BSS_TYPE_IBSS) {
 619                         VIF_STATE_PRINT_INT(sta.hlid);
 620                         VIF_STATE_PRINT_INT(sta.ba_rx_bitmap);
 621                         VIF_STATE_PRINT_INT(sta.basic_rate_idx);
 622                         VIF_STATE_PRINT_INT(sta.ap_rate_idx);
 623                         VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
 624                         VIF_STATE_PRINT_INT(sta.qos);
 625                 } else {
 626                         VIF_STATE_PRINT_INT(ap.global_hlid);
 627                         VIF_STATE_PRINT_INT(ap.bcast_hlid);
 628                         VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
 629                         VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
 630                         VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
 631                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
 632                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
 633                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
 634                         VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
 635                 }
 636                 VIF_STATE_PRINT_INT(last_tx_hlid);
 637                 VIF_STATE_PRINT_LHEX(links_map[0]);
 638                 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
 639                 VIF_STATE_PRINT_INT(band);
 640                 VIF_STATE_PRINT_INT(channel);
 641                 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
 642                 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
 643                 VIF_STATE_PRINT_HEX(basic_rate_set);
 644                 VIF_STATE_PRINT_HEX(basic_rate);
 645                 VIF_STATE_PRINT_HEX(rate_set);
 646                 VIF_STATE_PRINT_INT(beacon_int);
 647                 VIF_STATE_PRINT_INT(default_key);
 648                 VIF_STATE_PRINT_INT(aid);
 649                 VIF_STATE_PRINT_INT(session_counter);
 650                 VIF_STATE_PRINT_INT(psm_entry_retry);
 651                 VIF_STATE_PRINT_INT(power_level);
 652                 VIF_STATE_PRINT_INT(rssi_thold);
 653                 VIF_STATE_PRINT_INT(last_rssi_event);
 654                 VIF_STATE_PRINT_INT(ba_support);
 655                 VIF_STATE_PRINT_INT(ba_allowed);
 656                 VIF_STATE_PRINT_LLHEX(tx_security_seq);
 657                 VIF_STATE_PRINT_INT(tx_security_last_seq_lsb);
 658         }
 659
 660 #undef VIF_STATE_PRINT_INT
 661 #undef VIF_STATE_PRINT_LONG
 662 #undef VIF_STATE_PRINT_HEX
 663 #undef VIF_STATE_PRINT_LHEX
 664 #undef VIF_STATE_PRINT_LLHEX
 665 #undef VIF_STATE_PRINT_STR
 666 #undef VIF_STATE_PRINT_NSTR
 667 #undef VIF_STATE_PRINT
 668
 669         mutex_unlock(&wl->mutex);
 670
 671         ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
 672         kfree(buf);
 673         return ret;
 674 }
 675
 676 static const struct file_operations vifs_state_ops = {
 677         .read = vifs_state_read,
 678         .open = wl1271_open_file_generic,
 679         .llseek = default_llseek,
 680 };
 681
 682 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
 683                                   size_t count, loff_t *ppos)
 684 {
 685         struct wl1271 *wl = file->private_data;
 686         u8 value;
 687
 688         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 689             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 690                 value = wl->conf.conn.listen_interval;
 691         else
 692                 value = 0;
 693
 694         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 695 }
 696
 697 static ssize_t dtim_interval_write(struct file *file,
 698                                    const char __user *user_buf,
 699                                    size_t count, loff_t *ppos)
 700 {
 701         struct wl1271 *wl = file->private_data;
 702         unsigned long value;
 703         int ret;
 704
 705         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 706         if (ret < 0) {
 707                 wl1271_warning("illegal value for dtim_interval");
 708                 return -EINVAL;
 709         }
 710
 711         if (value < 1 || value > 10) {
 712                 wl1271_warning("dtim value is not in valid range");
 713                 return -ERANGE;
 714         }
 715
 716         mutex_lock(&wl->mutex);
 717
 718         wl->conf.conn.listen_interval = value;
 719         /* for some reason there are different event types for 1 and >1 */
 720         if (value == 1)
 721                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 722         else
 723                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 724
 725         /*
 726          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 727          * take effect on the next time we enter psm.
 728          */
 729         mutex_unlock(&wl->mutex);
 730         return count;
 731 }
 732
 733 static const struct file_operations dtim_interval_ops = {
 734         .read = dtim_interval_read,
 735         .write = dtim_interval_write,
 736         .open = wl1271_open_file_generic,
 737         .llseek = default_llseek,
 738 };
 739
 740
 741
 742 static ssize_t suspend_dtim_interval_read(struct file *file,
 743                                           char __user *user_buf,
 744                                           size_t count, loff_t *ppos)
 745 {
 746         struct wl1271 *wl = file->private_data;
 747         u8 value;
 748
 749         if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
 750             wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
 751                 value = wl->conf.conn.suspend_listen_interval;
 752         else
 753                 value = 0;
 754
 755         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 756 }
 757
 758 static ssize_t suspend_dtim_interval_write(struct file *file,
 759                                            const char __user *user_buf,
 760                                            size_t count, loff_t *ppos)
 761 {
 762         struct wl1271 *wl = file->private_data;
 763         unsigned long value;
 764         int ret;
 765
 766         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 767         if (ret < 0) {
 768                 wl1271_warning("illegal value for suspend_dtim_interval");
 769                 return -EINVAL;
 770         }
 771
 772         if (value < 1 || value > 10) {
 773                 wl1271_warning("suspend_dtim value is not in valid range");
 774                 return -ERANGE;
 775         }
 776
 777         mutex_lock(&wl->mutex);
 778
 779         wl->conf.conn.suspend_listen_interval = value;
 780         /* for some reason there are different event types for 1 and >1 */
 781         if (value == 1)
 782                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
 783         else
 784                 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
 785
 786         mutex_unlock(&wl->mutex);
 787         return count;
 788 }
 789
 790
 791 static const struct file_operations suspend_dtim_interval_ops = {
 792         .read = suspend_dtim_interval_read,
 793         .write = suspend_dtim_interval_write,
 794         .open = wl1271_open_file_generic,
 795         .llseek = default_llseek,
 796 };
 797
 798 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
 799                                     size_t count, loff_t *ppos)
 800 {
 801         struct wl1271 *wl = file->private_data;
 802         u8 value;
 803
 804         if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
 805             wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
 806                 value = wl->conf.conn.listen_interval;
 807         else
 808                 value = 0;
 809
 810         return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
 811 }
 812
 813 static ssize_t beacon_interval_write(struct file *file,
 814                                      const char __user *user_buf,
 815                                      size_t count, loff_t *ppos)
 816 {
 817         struct wl1271 *wl = file->private_data;
 818         unsigned long value;
 819         int ret;
 820
 821         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 822         if (ret < 0) {
 823                 wl1271_warning("illegal value for beacon_interval");
 824                 return -EINVAL;
 825         }
 826
 827         if (value < 1 || value > 255) {
 828                 wl1271_warning("beacon interval value is not in valid range");
 829                 return -ERANGE;
 830         }
 831
 832         mutex_lock(&wl->mutex);
 833
 834         wl->conf.conn.listen_interval = value;
 835         /* for some reason there are different event types for 1 and >1 */
 836         if (value == 1)
 837                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
 838         else
 839                 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
 840
 841         /*
 842          * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
 843          * take effect on the next time we enter psm.
 844          */
 845         mutex_unlock(&wl->mutex);
 846         return count;
 847 }
 848
 849 static const struct file_operations beacon_interval_ops = {
 850         .read = beacon_interval_read,
 851         .write = beacon_interval_write,
 852         .open = wl1271_open_file_generic,
 853         .llseek = default_llseek,
 854 };
 855
 856 static ssize_t rx_streaming_interval_write(struct file *file,
 857                            const char __user *user_buf,
 858                            size_t count, loff_t *ppos)
 859 {
 860         struct wl1271 *wl = file->private_data;
 861         struct wl12xx_vif *wlvif;
 862         unsigned long value;
 863         int ret;
 864
 865         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 866         if (ret < 0) {
 867                 wl1271_warning("illegal value in rx_streaming_interval!");
 868                 return -EINVAL;
 869         }
 870
 871         /* valid values: 0, 10-100 */
 872         if (value && (value < 10 || value > 100)) {
 873                 wl1271_warning("value is not in range!");
 874                 return -ERANGE;
 875         }
 876
 877         mutex_lock(&wl->mutex);
 878
 879         wl->conf.rx_streaming.interval = value;
 880
 881         ret = wl1271_ps_elp_wakeup(wl);
 882         if (ret < 0)
 883                 goto out;
 884
 885         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 886                 wl1271_recalc_rx_streaming(wl, wlvif);
 887         }
 888
 889         wl1271_ps_elp_sleep(wl);
 890 out:
 891         mutex_unlock(&wl->mutex);
 892         return count;
 893 }
 894
 895 static ssize_t rx_streaming_interval_read(struct file *file,
 896                             char __user *userbuf,
 897                             size_t count, loff_t *ppos)
 898 {
 899         struct wl1271 *wl = file->private_data;
 900         return wl1271_format_buffer(userbuf, count, ppos,
 901                                     "%d\n", wl->conf.rx_streaming.interval);
 902 }
 903
 904 static const struct file_operations rx_streaming_interval_ops = {
 905         .read = rx_streaming_interval_read,
 906         .write = rx_streaming_interval_write,
 907         .open = wl1271_open_file_generic,
 908         .llseek = default_llseek,
 909 };
 910
 911 static ssize_t rx_streaming_always_write(struct file *file,
 912                            const char __user *user_buf,
 913                            size_t count, loff_t *ppos)
 914 {
 915         struct wl1271 *wl = file->private_data;
 916         struct wl12xx_vif *wlvif;
 917         unsigned long value;
 918         int ret;
 919
 920         ret = kstrtoul_from_user(user_buf, count, 10, &value);
 921         if (ret < 0) {
 922                 wl1271_warning("illegal value in rx_streaming_write!");
 923                 return -EINVAL;
 924         }
 925
 926         /* valid values: 0, 10-100 */
 927         if (!(value == 0 || value == 1)) {
 928                 wl1271_warning("value is not in valid!");
 929                 return -EINVAL;
 930         }
 931
 932         mutex_lock(&wl->mutex);
 933
 934         wl->conf.rx_streaming.always = value;
 935
 936         ret = wl1271_ps_elp_wakeup(wl);
 937         if (ret < 0)
 938                 goto out;
 939
 940         wl12xx_for_each_wlvif_sta(wl, wlvif) {
 941                 wl1271_recalc_rx_streaming(wl, wlvif);
 942         }
 943
 944         wl1271_ps_elp_sleep(wl);
 945 out:
 946         mutex_unlock(&wl->mutex);
 947         return count;
 948 }
 949
 950 static ssize_t rx_streaming_always_read(struct file *file,
 951                             char __user *userbuf,
 952                             size_t count, loff_t *ppos)
 953 {
 954         struct wl1271 *wl = file->private_data;
 955         return wl1271_format_buffer(userbuf, count, ppos,
 956                                     "%d\n", wl->conf.rx_streaming.always);
 957 }
 958
 959 static const struct file_operations rx_streaming_always_ops = {
 960         .read = rx_streaming_always_read,
 961         .write = rx_streaming_always_write,
 962         .open = wl1271_open_file_generic,
 963         .llseek = default_llseek,
 964 };
 965
 966 static ssize_t beacon_filtering_write(struct file *file,
 967                                       const char __user *user_buf,
 968                                       size_t count, loff_t *ppos)
 969 {
 970         struct wl1271 *wl = file->private_data;
 971         struct wl12xx_vif *wlvif;
 972         char buf[10];
 973         size_t len;
 974         unsigned long value;
 975         int ret;
 976
 977         len = min(count, sizeof(buf) - 1);
 978         if (copy_from_user(buf, user_buf, len))
 979                 return -EFAULT;
 980         buf[len] = '\0';
 981
 982         ret = kstrtoul(buf, 0, &value);
 983         if (ret < 0) {
 984                 wl1271_warning("illegal value for beacon_filtering!");
 985                 return -EINVAL;
 986         }
 987
 988         mutex_lock(&wl->mutex);
 989
 990         ret = wl1271_ps_elp_wakeup(wl);
 991         if (ret < 0)
 992                 goto out;
 993
 994         wl12xx_for_each_wlvif(wl, wlvif) {
 995                 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
 996         }
 997
 998         wl1271_ps_elp_sleep(wl);
 999 out:
1000         mutex_unlock(&wl->mutex);
1001         return count;
1002 }
1003
1004 static const struct file_operations beacon_filtering_ops = {
1005         .write = beacon_filtering_write,
1006         .open = wl1271_open_file_generic,
1007         .llseek = default_llseek,
1008 };
1009
1010 static int wl1271_debugfs_add_files(struct wl1271 *wl,
1011                                      struct dentry *rootdir)
1012 {
1013         int ret = 0;
1014         struct dentry *entry, *stats, *streaming;
1015
1016         stats = debugfs_create_dir("fw-statistics", rootdir);
1017         if (!stats || IS_ERR(stats)) {
1018                 entry = stats;
1019                 goto err;
1020         }
1021
1022         DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
1023
1024         DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
1025         DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
1026         DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
1027         DEBUGFS_FWSTATS_ADD(rx, dropped);
1028         DEBUGFS_FWSTATS_ADD(rx, fcs_err);
1029         DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
1030         DEBUGFS_FWSTATS_ADD(rx, path_reset);
1031         DEBUGFS_FWSTATS_ADD(rx, reset_counter);
1032
1033         DEBUGFS_FWSTATS_ADD(dma, rx_requested);
1034         DEBUGFS_FWSTATS_ADD(dma, rx_errors);
1035         DEBUGFS_FWSTATS_ADD(dma, tx_requested);
1036         DEBUGFS_FWSTATS_ADD(dma, tx_errors);
1037
1038         DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
1039         DEBUGFS_FWSTATS_ADD(isr, fiqs);
1040         DEBUGFS_FWSTATS_ADD(isr, rx_headers);
1041         DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
1042         DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
1043         DEBUGFS_FWSTATS_ADD(isr, irqs);
1044         DEBUGFS_FWSTATS_ADD(isr, tx_procs);
1045         DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
1046         DEBUGFS_FWSTATS_ADD(isr, dma0_done);
1047         DEBUGFS_FWSTATS_ADD(isr, dma1_done);
1048         DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
1049         DEBUGFS_FWSTATS_ADD(isr, commands);
1050         DEBUGFS_FWSTATS_ADD(isr, rx_procs);
1051         DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
1052         DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
1053         DEBUGFS_FWSTATS_ADD(isr, pci_pm);
1054         DEBUGFS_FWSTATS_ADD(isr, wakeups);
1055         DEBUGFS_FWSTATS_ADD(isr, low_rssi);
1056
1057         DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
1058         DEBUGFS_FWSTATS_ADD(wep, default_key_count);
1059         /* skipping wep.reserved */
1060         DEBUGFS_FWSTATS_ADD(wep, key_not_found);
1061         DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
1062         DEBUGFS_FWSTATS_ADD(wep, packets);
1063         DEBUGFS_FWSTATS_ADD(wep, interrupt);
1064
1065         DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
1066         DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
1067         DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
1068         DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
1069         DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
1070         DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
1071         DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
1072         DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
1073         DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
1074         DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
1075         DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
1076         DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
1077         /* skipping cont_miss_bcns_spread for now */
1078         DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
1079
1080         DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
1081         DEBUGFS_FWSTATS_ADD(mic, calc_failure);
1082
1083         DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
1084         DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
1085         DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
1086         DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
1087         DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
1088         DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
1089
1090         DEBUGFS_FWSTATS_ADD(event, heart_beat);
1091         DEBUGFS_FWSTATS_ADD(event, calibration);
1092         DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
1093         DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
1094         DEBUGFS_FWSTATS_ADD(event, rx_pool);
1095         DEBUGFS_FWSTATS_ADD(event, oom_late);
1096         DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
1097         DEBUGFS_FWSTATS_ADD(event, tx_stuck);
1098
1099         DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
1100         DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
1101         DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
1102         DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
1103         DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
1104         DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
1105         DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
1106
1107         DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
1108         DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
1109         DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
1110         DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
1111         DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
1112
1113         DEBUGFS_ADD(tx_queue_len, rootdir);
1114         DEBUGFS_ADD(retry_count, rootdir);
1115         DEBUGFS_ADD(excessive_retries, rootdir);
1116
1117         DEBUGFS_ADD(gpio_power, rootdir);
1118         DEBUGFS_ADD(start_recovery, rootdir);
1119         DEBUGFS_ADD(driver_state, rootdir);
1120         DEBUGFS_ADD(vifs_state, rootdir);
1121         DEBUGFS_ADD(dtim_interval, rootdir);
1122         DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1123         DEBUGFS_ADD(beacon_interval, rootdir);
1124         DEBUGFS_ADD(beacon_filtering, rootdir);
1125         DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1126         DEBUGFS_ADD(forced_ps, rootdir);
1127         DEBUGFS_ADD(split_scan_timeout, rootdir);
1128
1129         streaming = debugfs_create_dir("rx_streaming", rootdir);
1130         if (!streaming || IS_ERR(streaming))
1131                 goto err;
1132
1133         DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1134         DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1135
1136
1137         return 0;
1138
1139 err:
1140         if (IS_ERR(entry))
1141                 ret = PTR_ERR(entry);
1142         else
1143                 ret = -ENOMEM;
1144
1145         return ret;
1146 }
1147
1148 void wl1271_debugfs_reset(struct wl1271 *wl)
1149 {
1150         if (!wl->stats.fw_stats)
1151                 return;
1152
1153         memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
1154         wl->stats.retry_count = 0;
1155         wl->stats.excessive_retries = 0;
1156 }
1157
1158 int wl1271_debugfs_init(struct wl1271 *wl)
1159 {
1160         int ret;
1161         struct dentry *rootdir;
1162
1163         rootdir = debugfs_create_dir(KBUILD_MODNAME,
1164                                      wl->hw->wiphy->debugfsdir);
1165
1166         if (IS_ERR(rootdir)) {
1167                 ret = PTR_ERR(rootdir);
1168                 goto err;
1169         }
1170
1171         wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
1172                                       GFP_KERNEL);
1173
1174         if (!wl->stats.fw_stats) {
1175                 ret = -ENOMEM;
1176                 goto err_fw;
1177         }
1178
1179         wl->stats.fw_stats_update = jiffies;
1180
1181         ret = wl1271_debugfs_add_files(wl, rootdir);
1182
1183         if (ret < 0)
1184                 goto err_file;
1185
1186         return 0;
1187
1188 err_file:
1189         kfree(wl->stats.fw_stats);
1190         wl->stats.fw_stats = NULL;
1191
1192 err_fw:
1193         debugfs_remove_recursive(rootdir);
1194
1195 err:
1196         return ret;
1197 }
1198
1199 void wl1271_debugfs_exit(struct wl1271 *wl)
1200 {
1201         kfree(wl->stats.fw_stats);
1202         wl->stats.fw_stats = NULL;
1203 }