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
  33 /* ms */
  34 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
  35
  36 /* debugfs macros idea from mac80211 */
  37
  38 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)              \
  39 static ssize_t name## _read(struct file *file, char __user *userbuf,    \
  40                             size_t count, loff_t *ppos)                 \
  41 {                                                                       \
  42         struct wl1271 *wl = file->private_data;                         \
  43         char buf[buflen];                                               \
  44         int res;                                                        \
  45                                                                         \
  46         res = scnprintf(buf, buflen, fmt "\n", ##value);                \
  47         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
  48 }                                                                       \
  49                                                                         \
  50 static const struct file_operations name## _ops = {                     \
  51         .read = name## _read,                                           \
  52         .open = wl1271_open_file_generic,                               \
  53 };
  54
  55 #define DEBUGFS_ADD(name, parent)                                       \
  56         wl->debugfs.name = debugfs_create_file(#name, 0400, parent,     \
  57                                                wl, &name## _ops);       \
  58         if (IS_ERR(wl->debugfs.name)) {                                 \
  59                 ret = PTR_ERR(wl->debugfs.name);                        \
  60                 wl->debugfs.name = NULL;                                \
  61                 goto out;                                               \
  62         }
  63
  64 #define DEBUGFS_DEL(name)                                               \
  65         do {                                                            \
  66                 debugfs_remove(wl->debugfs.name);                       \
  67                 wl->debugfs.name = NULL;                                \
  68         } while (0)
  69
  70 #define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt)                    \
  71 static ssize_t sub## _ ##name## _read(struct file *file,                \
  72                                       char __user *userbuf,             \
  73                                       size_t count, loff_t *ppos)       \
  74 {                                                                       \
  75         struct wl1271 *wl = file->private_data;                         \
  76         char buf[buflen];                                               \
  77         int res;                                                        \
  78                                                                         \
  79         wl1271_debugfs_update_stats(wl);                                \
  80                                                                         \
  81         res = scnprintf(buf, buflen, fmt "\n",                          \
  82                         wl->stats.fw_stats->sub.name);                  \
  83         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
  84 }                                                                       \
  85                                                                         \
  86 static const struct file_operations sub## _ ##name## _ops = {           \
  87         .read = sub## _ ##name## _read,                                 \
  88         .open = wl1271_open_file_generic,                               \
  89 };
  90
  91 #define DEBUGFS_FWSTATS_ADD(sub, name)                          \
  92         DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
  93
  94 #define DEBUGFS_FWSTATS_DEL(sub, name)                          \
  95         DEBUGFS_DEL(sub## _ ##name)
  96
  97 static void wl1271_debugfs_update_stats(struct wl1271 *wl)
  98 {
  99         int ret;
 100
 101         mutex_lock(&wl->mutex);
 102
 103         ret = wl1271_ps_elp_wakeup(wl, false);
 104         if (ret < 0)
 105                 goto out;
 106
 107         if (wl->state == WL1271_STATE_ON &&
 108             time_after(jiffies, wl->stats.fw_stats_update +
 109                        msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
 110                 wl1271_acx_statistics(wl, wl->stats.fw_stats);
 111                 wl->stats.fw_stats_update = jiffies;
 112         }
 113
 114         wl1271_ps_elp_sleep(wl);
 115
 116 out:
 117         mutex_unlock(&wl->mutex);
 118 }
 119
 120 static int wl1271_open_file_generic(struct inode *inode, struct file *file)
 121 {
 122         file->private_data = inode->i_private;
 123         return 0;
 124 }
 125
 126 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
 127
 128 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
 129 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
 130 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
 131 DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
 132 DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
 133 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
 134 DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
 135 DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
 136
 137 DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
 138 DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
 139 DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
 140 DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
 141
 142 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
 143 DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
 144 DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
 145 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
 146 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
 147 DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
 148 DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
 149 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
 150 DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
 151 DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
 152 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
 153 DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
 154 DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
 155 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
 156 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
 157 DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
 158 DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
 159 DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
 160
 161 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
 162 DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
 163 /* skipping wep.reserved */
 164 DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
 165 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
 166 DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
 167 DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
 168
 169 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
 170 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
 171 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
 172 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
 173 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
 174 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
 175 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
 176 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
 177 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
 178 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
 179 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
 180 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
 181 /* skipping cont_miss_bcns_spread for now */
 182 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
 183
 184 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
 185 DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
 186
 187 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
 188 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
 189 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
 190 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
 191 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
 192 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
 193
 194 DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
 195 DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
 196 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
 197 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
 198 DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
 199 DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
 200 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
 201 DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
 202
 203 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
 204 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
 205 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
 206 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
 207 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
 208 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
 209 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
 210
 211 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
 212 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
 213 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
 214                      20, "%u");
 215 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
 216 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
 217
 218 DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
 219 DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
 220                       wl->stats.excessive_retries);
 221
 222 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
 223                                  size_t count, loff_t *ppos)
 224 {
 225         struct wl1271 *wl = file->private_data;
 226         u32 queue_len;
 227         char buf[20];
 228         int res;
 229
 230         queue_len = skb_queue_len(&wl->tx_queue);
 231
 232         res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
 233         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 234 }
 235
 236 static const struct file_operations tx_queue_len_ops = {
 237         .read = tx_queue_len_read,
 238         .open = wl1271_open_file_generic,
 239 };
 240
 241 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
 242                           size_t count, loff_t *ppos)
 243 {
 244         struct wl1271 *wl = file->private_data;
 245         bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 246
 247         int res;
 248         char buf[10];
 249
 250         res = scnprintf(buf, sizeof(buf), "%d\n", state);
 251
 252         return simple_read_from_buffer(user_buf, count, ppos, buf, res);
 253 }
 254
 255 static ssize_t gpio_power_write(struct file *file,
 256                            const char __user *user_buf,
 257                            size_t count, loff_t *ppos)
 258 {
 259         struct wl1271 *wl = file->private_data;
 260         char buf[10];
 261         size_t len;
 262         unsigned long value;
 263         int ret;
 264
 265         mutex_lock(&wl->mutex);
 266
 267         len = min(count, sizeof(buf) - 1);
 268         if (copy_from_user(buf, user_buf, len)) {
 269                 ret = -EFAULT;
 270                 goto out;
 271         }
 272         buf[len] = '\0';
 273
 274         ret = strict_strtoul(buf, 0, &value);
 275         if (ret < 0) {
 276                 wl1271_warning("illegal value in gpio_power");
 277                 goto out;
 278         }
 279
 280         if (value) {
 281                 wl->set_power(true);
 282                 set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 283         } else {
 284                 wl->set_power(false);
 285                 clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 286         }
 287
 288 out:
 289         mutex_unlock(&wl->mutex);
 290         return count;
 291 }
 292
 293 static const struct file_operations gpio_power_ops = {
 294         .read = gpio_power_read,
 295         .write = gpio_power_write,
 296         .open = wl1271_open_file_generic
 297 };
 298
 299 static void wl1271_debugfs_delete_files(struct wl1271 *wl)
 300 {
 301         DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
 302
 303         DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
 304         DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
 305         DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
 306         DEBUGFS_FWSTATS_DEL(rx, dropped);
 307         DEBUGFS_FWSTATS_DEL(rx, fcs_err);
 308         DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
 309         DEBUGFS_FWSTATS_DEL(rx, path_reset);
 310         DEBUGFS_FWSTATS_DEL(rx, reset_counter);
 311
 312         DEBUGFS_FWSTATS_DEL(dma, rx_requested);
 313         DEBUGFS_FWSTATS_DEL(dma, rx_errors);
 314         DEBUGFS_FWSTATS_DEL(dma, tx_requested);
 315         DEBUGFS_FWSTATS_DEL(dma, tx_errors);
 316
 317         DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
 318         DEBUGFS_FWSTATS_DEL(isr, fiqs);
 319         DEBUGFS_FWSTATS_DEL(isr, rx_headers);
 320         DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
 321         DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
 322         DEBUGFS_FWSTATS_DEL(isr, irqs);
 323         DEBUGFS_FWSTATS_DEL(isr, tx_procs);
 324         DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
 325         DEBUGFS_FWSTATS_DEL(isr, dma0_done);
 326         DEBUGFS_FWSTATS_DEL(isr, dma1_done);
 327         DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
 328         DEBUGFS_FWSTATS_DEL(isr, commands);
 329         DEBUGFS_FWSTATS_DEL(isr, rx_procs);
 330         DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
 331         DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
 332         DEBUGFS_FWSTATS_DEL(isr, pci_pm);
 333         DEBUGFS_FWSTATS_DEL(isr, wakeups);
 334         DEBUGFS_FWSTATS_DEL(isr, low_rssi);
 335
 336         DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
 337         DEBUGFS_FWSTATS_DEL(wep, default_key_count);
 338         /* skipping wep.reserved */
 339         DEBUGFS_FWSTATS_DEL(wep, key_not_found);
 340         DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
 341         DEBUGFS_FWSTATS_DEL(wep, packets);
 342         DEBUGFS_FWSTATS_DEL(wep, interrupt);
 343
 344         DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
 345         DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
 346         DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
 347         DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
 348         DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
 349         DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
 350         DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
 351         DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
 352         DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
 353         DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
 354         DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
 355         DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
 356         /* skipping cont_miss_bcns_spread for now */
 357         DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
 358
 359         DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
 360         DEBUGFS_FWSTATS_DEL(mic, calc_failure);
 361
 362         DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
 363         DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
 364         DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
 365         DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
 366         DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
 367         DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
 368
 369         DEBUGFS_FWSTATS_DEL(event, heart_beat);
 370         DEBUGFS_FWSTATS_DEL(event, calibration);
 371         DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
 372         DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
 373         DEBUGFS_FWSTATS_DEL(event, rx_pool);
 374         DEBUGFS_FWSTATS_DEL(event, oom_late);
 375         DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
 376         DEBUGFS_FWSTATS_DEL(event, tx_stuck);
 377
 378         DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
 379         DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
 380         DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
 381         DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
 382         DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
 383         DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
 384         DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
 385
 386         DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
 387         DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
 388         DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
 389         DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
 390         DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
 391
 392         DEBUGFS_DEL(tx_queue_len);
 393         DEBUGFS_DEL(retry_count);
 394         DEBUGFS_DEL(excessive_retries);
 395
 396         DEBUGFS_DEL(gpio_power);
 397 }
 398
 399 static int wl1271_debugfs_add_files(struct wl1271 *wl)
 400 {
 401         int ret = 0;
 402
 403         DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
 404
 405         DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
 406         DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
 407         DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
 408         DEBUGFS_FWSTATS_ADD(rx, dropped);
 409         DEBUGFS_FWSTATS_ADD(rx, fcs_err);
 410         DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
 411         DEBUGFS_FWSTATS_ADD(rx, path_reset);
 412         DEBUGFS_FWSTATS_ADD(rx, reset_counter);
 413
 414         DEBUGFS_FWSTATS_ADD(dma, rx_requested);
 415         DEBUGFS_FWSTATS_ADD(dma, rx_errors);
 416         DEBUGFS_FWSTATS_ADD(dma, tx_requested);
 417         DEBUGFS_FWSTATS_ADD(dma, tx_errors);
 418
 419         DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
 420         DEBUGFS_FWSTATS_ADD(isr, fiqs);
 421         DEBUGFS_FWSTATS_ADD(isr, rx_headers);
 422         DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
 423         DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
 424         DEBUGFS_FWSTATS_ADD(isr, irqs);
 425         DEBUGFS_FWSTATS_ADD(isr, tx_procs);
 426         DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
 427         DEBUGFS_FWSTATS_ADD(isr, dma0_done);
 428         DEBUGFS_FWSTATS_ADD(isr, dma1_done);
 429         DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
 430         DEBUGFS_FWSTATS_ADD(isr, commands);
 431         DEBUGFS_FWSTATS_ADD(isr, rx_procs);
 432         DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
 433         DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
 434         DEBUGFS_FWSTATS_ADD(isr, pci_pm);
 435         DEBUGFS_FWSTATS_ADD(isr, wakeups);
 436         DEBUGFS_FWSTATS_ADD(isr, low_rssi);
 437
 438         DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
 439         DEBUGFS_FWSTATS_ADD(wep, default_key_count);
 440         /* skipping wep.reserved */
 441         DEBUGFS_FWSTATS_ADD(wep, key_not_found);
 442         DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
 443         DEBUGFS_FWSTATS_ADD(wep, packets);
 444         DEBUGFS_FWSTATS_ADD(wep, interrupt);
 445
 446         DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
 447         DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
 448         DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
 449         DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
 450         DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
 451         DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
 452         DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
 453         DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
 454         DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
 455         DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
 456         DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
 457         DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
 458         /* skipping cont_miss_bcns_spread for now */
 459         DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
 460
 461         DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
 462         DEBUGFS_FWSTATS_ADD(mic, calc_failure);
 463
 464         DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
 465         DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
 466         DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
 467         DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
 468         DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
 469         DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
 470
 471         DEBUGFS_FWSTATS_ADD(event, heart_beat);
 472         DEBUGFS_FWSTATS_ADD(event, calibration);
 473         DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
 474         DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
 475         DEBUGFS_FWSTATS_ADD(event, rx_pool);
 476         DEBUGFS_FWSTATS_ADD(event, oom_late);
 477         DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
 478         DEBUGFS_FWSTATS_ADD(event, tx_stuck);
 479
 480         DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
 481         DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
 482         DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
 483         DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
 484         DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
 485         DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
 486         DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
 487
 488         DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
 489         DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
 490         DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
 491         DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
 492         DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
 493
 494         DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
 495         DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
 496         DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
 497
 498         DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);
 499
 500 out:
 501         if (ret < 0)
 502                 wl1271_debugfs_delete_files(wl);
 503
 504         return ret;
 505 }
 506
 507 void wl1271_debugfs_reset(struct wl1271 *wl)
 508 {
 509         memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
 510         wl->stats.retry_count = 0;
 511         wl->stats.excessive_retries = 0;
 512 }
 513
 514 int wl1271_debugfs_init(struct wl1271 *wl)
 515 {
 516         int ret;
 517
 518         wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
 519
 520         if (IS_ERR(wl->debugfs.rootdir)) {
 521                 ret = PTR_ERR(wl->debugfs.rootdir);
 522                 wl->debugfs.rootdir = NULL;
 523                 goto err;
 524         }
 525
 526         wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
 527                                                        wl->debugfs.rootdir);
 528
 529         if (IS_ERR(wl->debugfs.fw_statistics)) {
 530                 ret = PTR_ERR(wl->debugfs.fw_statistics);
 531                 wl->debugfs.fw_statistics = NULL;
 532                 goto err_root;
 533         }
 534
 535         wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
 536                                       GFP_KERNEL);
 537
 538         if (!wl->stats.fw_stats) {
 539                 ret = -ENOMEM;
 540                 goto err_fw;
 541         }
 542
 543         wl->stats.fw_stats_update = jiffies;
 544
 545         ret = wl1271_debugfs_add_files(wl);
 546
 547         if (ret < 0)
 548                 goto err_file;
 549
 550         return 0;
 551
 552 err_file:
 553         kfree(wl->stats.fw_stats);
 554         wl->stats.fw_stats = NULL;
 555
 556 err_fw:
 557         debugfs_remove(wl->debugfs.fw_statistics);
 558         wl->debugfs.fw_statistics = NULL;
 559
 560 err_root:
 561         debugfs_remove(wl->debugfs.rootdir);
 562         wl->debugfs.rootdir = NULL;
 563
 564 err:
 565         return ret;
 566 }
 567
 568 void wl1271_debugfs_exit(struct wl1271 *wl)
 569 {
 570         wl1271_debugfs_delete_files(wl);
 571
 572         kfree(wl->stats.fw_stats);
 573         wl->stats.fw_stats = NULL;
 574
 575         debugfs_remove(wl->debugfs.fw_statistics);
 576         wl->debugfs.fw_statistics = NULL;
 577
 578         debugfs_remove(wl->debugfs.rootdir);
 579         wl->debugfs.rootdir = NULL;
 580
 581 }