release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/net/wireless/wl12xx/wl1271_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 "wl1271_debugfs.h"
  25
  26 #include <linux/skbuff.h>
  27 #include <linux/slab.h>
  28
  29 #include "wl1271.h"
  30 #include "wl1271_acx.h"
  31 #include "wl1271_ps.h"
  32 #include "wl1271_io.h"
  33
  34 /* ms */
  35 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
  36
  37 /* debugfs macros idea from mac80211 */
  38
  39 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)              \
  40 static ssize_t name## _read(struct file *file, char __user *userbuf,    \
  41                             size_t count, loff_t *ppos)                 \
  42 {                                                                       \
  43         struct wl1271 *wl = file->private_data;                         \
  44         char buf[buflen];                                               \
  45         int res;                                                        \
  46                                                                         \
  47         res = scnprintf(buf, buflen, fmt "\n", ##value);                \
  48         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
  49 }                                                                       \
  50                                                                         \
  51 static const struct file_operations name## _ops = {                     \
  52         .read = name## _read,                                           \
  53         .open = wl1271_open_file_generic,                               \
  54 };
  55
  56 #define DEBUGFS_ADD(name, parent)                                       \
  57         wl->debugfs.name = debugfs_create_file(#name, 0400, parent,     \
  58                                                wl, &name## _ops);       \
  59         if (IS_ERR(wl->debugfs.name)) {                                 \
  60                 ret = PTR_ERR(wl->debugfs.name);                        \
  61                 wl->debugfs.name = NULL;                                \
  62                 goto out;                                               \
  63         }
  64
  65 #define DEBUGFS_DEL(name)                                               \
  66         do {                                                            \
  67                 debugfs_remove(wl->debugfs.name);                       \
  68                 wl->debugfs.name = NULL;                                \
  69         } while (0)
  70
  71 #define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt)                    \
  72 static ssize_t sub## _ ##name## _read(struct file *file,                \
  73                                       char __user *userbuf,             \
  74                                       size_t count, loff_t *ppos)       \
  75 {                                                                       \
  76         struct wl1271 *wl = file->private_data;                         \
  77         char buf[buflen];                                               \
  78         int res;                                                        \
  79                                                                         \
  80         wl1271_debugfs_update_stats(wl);                                \
  81                                                                         \
  82         res = scnprintf(buf, buflen, fmt "\n",                          \
  83                         wl->stats.fw_stats->sub.name);                  \
  84         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
  85 }                                                                       \
  86                                                                         \
  87 static const struct file_operations sub## _ ##name## _ops = {           \
  88         .read = sub## _ ##name## _read,                                 \
  89         .open = wl1271_open_file_generic,                               \
  90 };
  91
  92 #define DEBUGFS_FWSTATS_ADD(sub, name)                          \
  93         DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
  94
  95 #define DEBUGFS_FWSTATS_DEL(sub, name)                          \
  96         DEBUGFS_DEL(sub## _ ##name)
  97
  98 static void wl1271_debugfs_update_stats(struct wl1271 *wl)
  99 {
 100         int ret;
 101
 102         mutex_lock(&wl->mutex);
 103
 104         ret = wl1271_ps_elp_wakeup(wl, false);
 105         if (ret < 0)
 106                 goto out;
 107
 108         if (wl->state == WL1271_STATE_ON &&
 109             time_after(jiffies, wl->stats.fw_stats_update +
 110                        msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
 111                 wl1271_acx_statistics(wl, wl->stats.fw_stats);
 112                 wl->stats.fw_stats_update = jiffies;
 113         }
 114
 115         wl1271_ps_elp_sleep(wl);
 116
 117 out:
 118         mutex_unlock(&wl->mutex);
 119 }
 120
 121 static int wl1271_open_file_generic(struct inode *inode, struct file *file)
 122 {
 123         file->private_data = inode->i_private;
 124         return 0;
 125 }
 126
 127 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
 128
 129 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
 130 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
 131 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
 132 DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
 133 DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
 134 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
 135 DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
 136 DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
 137
 138 DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
 139 DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
 140 DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
 141 DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
 142
 143 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
 144 DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
 145 DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
 146 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
 147 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
 148 DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
 149 DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
 150 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
 151 DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
 152 DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
 153 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
 154 DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
 155 DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
 156 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
 157 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
 158 DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
 159 DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
 160 DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
 161
 162 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
 163 DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
 164 /* skipping wep.reserved */
 165 DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
 166 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
 167 DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
 168 DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
 169
 170 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
 171 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
 172 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
 173 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
 174 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
 175 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
 176 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
 177 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
 178 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
 179 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
 180 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
 181 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
 182 /* skipping cont_miss_bcns_spread for now */
 183 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
 184
 185 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
 186 DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
 187
 188 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
 189 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
 190 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
 191 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
 192 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
 193 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
 194
 195 DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
 196 DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
 197 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
 198 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
 199 DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
 200 DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
 201 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
 202 DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
 203
 204 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
 205 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
 206 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
 207 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
 208 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
 209 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
 210 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
 211
 212 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
 213 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
 214 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
 215                      20, "%u");
 216 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
 217 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
 218
 219 DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
 220 DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
 221                       wl->stats.excessive_retries);
 222
 223 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
 224                                  size_t count, loff_t *ppos)
 225 {
 226         struct wl1271 *wl = file->private_data;
 227         u32 queue_len;
 228         char buf[20];
 229         int res;
 230
 231         queue_len = skb_queue_len(&wl->tx_queue);
 232
 233         res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
 234         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 235 }
 236
 237 static const struct file_operations tx_queue_len_ops = {
 238         .read = tx_queue_len_read,
 239         .open = wl1271_open_file_generic,
 240 };
 241
 242 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
 243                           size_t count, loff_t *ppos)
 244 {
 245         struct wl1271 *wl = file->private_data;
 246         bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 247
 248         int res;
 249         char buf[10];
 250
 251         res = scnprintf(buf, sizeof(buf), "%d\n", state);
 252
 253         return simple_read_from_buffer(user_buf, count, ppos, buf, res);
 254 }
 255
 256 static ssize_t gpio_power_write(struct file *file,
 257                            const char __user *user_buf,
 258                            size_t count, loff_t *ppos)
 259 {
 260         struct wl1271 *wl = file->private_data;
 261         char buf[10];
 262         size_t len;
 263         unsigned long value;
 264         int ret;
 265
 266         mutex_lock(&wl->mutex);
 267
 268         len = min(count, sizeof(buf) - 1);
 269         if (copy_from_user(buf, user_buf, len)) {
 270                 ret = -EFAULT;
 271                 goto out;
 272         }
 273         buf[len] = '\0';
 274
 275         ret = strict_strtoul(buf, 0, &value);
 276         if (ret < 0) {
 277                 wl1271_warning("illegal value in gpio_power");
 278                 goto out;
 279         }
 280
 281         if (value)
 282                 wl1271_power_on(wl);
 283         else
 284                 wl1271_power_off(wl);
 285
 286 out:
 287         mutex_unlock(&wl->mutex);
 288         return count;
 289 }
 290
 291 static const struct file_operations gpio_power_ops = {
 292         .read = gpio_power_read,
 293         .write = gpio_power_write,
 294         .open = wl1271_open_file_generic
 295 };
 296
 297 static void wl1271_debugfs_delete_files(struct wl1271 *wl)
 298 {
 299         DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
 300
 301         DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
 302         DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
 303         DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
 304         DEBUGFS_FWSTATS_DEL(rx, dropped);
 305         DEBUGFS_FWSTATS_DEL(rx, fcs_err);
 306         DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
 307         DEBUGFS_FWSTATS_DEL(rx, path_reset);
 308         DEBUGFS_FWSTATS_DEL(rx, reset_counter);
 309
 310         DEBUGFS_FWSTATS_DEL(dma, rx_requested);
 311         DEBUGFS_FWSTATS_DEL(dma, rx_errors);
 312         DEBUGFS_FWSTATS_DEL(dma, tx_requested);
 313         DEBUGFS_FWSTATS_DEL(dma, tx_errors);
 314
 315         DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
 316         DEBUGFS_FWSTATS_DEL(isr, fiqs);
 317         DEBUGFS_FWSTATS_DEL(isr, rx_headers);
 318         DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
 319         DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
 320         DEBUGFS_FWSTATS_DEL(isr, irqs);
 321         DEBUGFS_FWSTATS_DEL(isr, tx_procs);
 322         DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
 323         DEBUGFS_FWSTATS_DEL(isr, dma0_done);
 324         DEBUGFS_FWSTATS_DEL(isr, dma1_done);
 325         DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
 326         DEBUGFS_FWSTATS_DEL(isr, commands);
 327         DEBUGFS_FWSTATS_DEL(isr, rx_procs);
 328         DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
 329         DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
 330         DEBUGFS_FWSTATS_DEL(isr, pci_pm);
 331         DEBUGFS_FWSTATS_DEL(isr, wakeups);
 332         DEBUGFS_FWSTATS_DEL(isr, low_rssi);
 333
 334         DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
 335         DEBUGFS_FWSTATS_DEL(wep, default_key_count);
 336         /* skipping wep.reserved */
 337         DEBUGFS_FWSTATS_DEL(wep, key_not_found);
 338         DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
 339         DEBUGFS_FWSTATS_DEL(wep, packets);
 340         DEBUGFS_FWSTATS_DEL(wep, interrupt);
 341
 342         DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
 343         DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
 344         DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
 345         DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
 346         DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
 347         DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
 348         DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
 349         DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
 350         DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
 351         DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
 352         DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
 353         DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
 354         /* skipping cont_miss_bcns_spread for now */
 355         DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
 356
 357         DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
 358         DEBUGFS_FWSTATS_DEL(mic, calc_failure);
 359
 360         DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
 361         DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
 362         DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
 363         DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
 364         DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
 365         DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
 366
 367         DEBUGFS_FWSTATS_DEL(event, heart_beat);
 368         DEBUGFS_FWSTATS_DEL(event, calibration);
 369         DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
 370         DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
 371         DEBUGFS_FWSTATS_DEL(event, rx_pool);
 372         DEBUGFS_FWSTATS_DEL(event, oom_late);
 373         DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
 374         DEBUGFS_FWSTATS_DEL(event, tx_stuck);
 375
 376         DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
 377         DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
 378         DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
 379         DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
 380         DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
 381         DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
 382         DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
 383
 384         DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
 385         DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
 386         DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
 387         DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
 388         DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
 389
 390         DEBUGFS_DEL(tx_queue_len);
 391         DEBUGFS_DEL(retry_count);
 392         DEBUGFS_DEL(excessive_retries);
 393
 394         DEBUGFS_DEL(gpio_power);
 395 }
 396
 397 static int wl1271_debugfs_add_files(struct wl1271 *wl)
 398 {
 399         int ret = 0;
 400
 401         DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
 402
 403         DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
 404         DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
 405         DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
 406         DEBUGFS_FWSTATS_ADD(rx, dropped);
 407         DEBUGFS_FWSTATS_ADD(rx, fcs_err);
 408         DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
 409         DEBUGFS_FWSTATS_ADD(rx, path_reset);
 410         DEBUGFS_FWSTATS_ADD(rx, reset_counter);
 411
 412         DEBUGFS_FWSTATS_ADD(dma, rx_requested);
 413         DEBUGFS_FWSTATS_ADD(dma, rx_errors);
 414         DEBUGFS_FWSTATS_ADD(dma, tx_requested);
 415         DEBUGFS_FWSTATS_ADD(dma, tx_errors);
 416
 417         DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
 418         DEBUGFS_FWSTATS_ADD(isr, fiqs);
 419         DEBUGFS_FWSTATS_ADD(isr, rx_headers);
 420         DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
 421         DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
 422         DEBUGFS_FWSTATS_ADD(isr, irqs);
 423         DEBUGFS_FWSTATS_ADD(isr, tx_procs);
 424         DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
 425         DEBUGFS_FWSTATS_ADD(isr, dma0_done);
 426         DEBUGFS_FWSTATS_ADD(isr, dma1_done);
 427         DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
 428         DEBUGFS_FWSTATS_ADD(isr, commands);
 429         DEBUGFS_FWSTATS_ADD(isr, rx_procs);
 430         DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
 431         DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
 432         DEBUGFS_FWSTATS_ADD(isr, pci_pm);
 433         DEBUGFS_FWSTATS_ADD(isr, wakeups);
 434         DEBUGFS_FWSTATS_ADD(isr, low_rssi);
 435
 436         DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
 437         DEBUGFS_FWSTATS_ADD(wep, default_key_count);
 438         /* skipping wep.reserved */
 439         DEBUGFS_FWSTATS_ADD(wep, key_not_found);
 440         DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
 441         DEBUGFS_FWSTATS_ADD(wep, packets);
 442         DEBUGFS_FWSTATS_ADD(wep, interrupt);
 443
 444         DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
 445         DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
 446         DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
 447         DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
 448         DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
 449         DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
 450         DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
 451         DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
 452         DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
 453         DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
 454         DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
 455         DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
 456         /* skipping cont_miss_bcns_spread for now */
 457         DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
 458
 459         DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
 460         DEBUGFS_FWSTATS_ADD(mic, calc_failure);
 461
 462         DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
 463         DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
 464         DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
 465         DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
 466         DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
 467         DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
 468
 469         DEBUGFS_FWSTATS_ADD(event, heart_beat);
 470         DEBUGFS_FWSTATS_ADD(event, calibration);
 471         DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
 472         DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
 473         DEBUGFS_FWSTATS_ADD(event, rx_pool);
 474         DEBUGFS_FWSTATS_ADD(event, oom_late);
 475         DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
 476         DEBUGFS_FWSTATS_ADD(event, tx_stuck);
 477
 478         DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
 479         DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
 480         DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
 481         DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
 482         DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
 483         DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
 484         DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
 485
 486         DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
 487         DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
 488         DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
 489         DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
 490         DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
 491
 492         DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
 493         DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
 494         DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
 495
 496         DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);
 497
 498 out:
 499         if (ret < 0)
 500                 wl1271_debugfs_delete_files(wl);
 501
 502         return ret;
 503 }
 504
 505 void wl1271_debugfs_reset(struct wl1271 *wl)
 506 {
 507         memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
 508         wl->stats.retry_count = 0;
 509         wl->stats.excessive_retries = 0;
 510 }
 511
 512 int wl1271_debugfs_init(struct wl1271 *wl)
 513 {
 514         int ret;
 515
 516         wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
 517
 518         if (IS_ERR(wl->debugfs.rootdir)) {
 519                 ret = PTR_ERR(wl->debugfs.rootdir);
 520                 wl->debugfs.rootdir = NULL;
 521                 goto err;
 522         }
 523
 524         wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
 525                                                        wl->debugfs.rootdir);
 526
 527         if (IS_ERR(wl->debugfs.fw_statistics)) {
 528                 ret = PTR_ERR(wl->debugfs.fw_statistics);
 529                 wl->debugfs.fw_statistics = NULL;
 530                 goto err_root;
 531         }
 532
 533         wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
 534                                       GFP_KERNEL);
 535
 536         if (!wl->stats.fw_stats) {
 537                 ret = -ENOMEM;
 538                 goto err_fw;
 539         }
 540
 541         wl->stats.fw_stats_update = jiffies;
 542
 543         ret = wl1271_debugfs_add_files(wl);
 544
 545         if (ret < 0)
 546                 goto err_file;
 547
 548         return 0;
 549
 550 err_file:
 551         kfree(wl->stats.fw_stats);
 552         wl->stats.fw_stats = NULL;
 553
 554 err_fw:
 555         debugfs_remove(wl->debugfs.fw_statistics);
 556         wl->debugfs.fw_statistics = NULL;
 557
 558 err_root:
 559         debugfs_remove(wl->debugfs.rootdir);
 560         wl->debugfs.rootdir = NULL;
 561
 562 err:
 563         return ret;
 564 }
 565
 566 void wl1271_debugfs_exit(struct wl1271 *wl)
 567 {
 568         wl1271_debugfs_delete_files(wl);
 569
 570         kfree(wl->stats.fw_stats);
 571         wl->stats.fw_stats = NULL;
 572
 573         debugfs_remove(wl->debugfs.fw_statistics);
 574         wl->debugfs.fw_statistics = NULL;
 575
 576         debugfs_remove(wl->debugfs.rootdir);
 577         wl->debugfs.rootdir = NULL;
 578
 579 }