drivers/net/wireless/ti/wl1251/debugfs.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * This file is part of wl1251
   4  *
   5  * Copyright (C) 2009 Nokia Corporation
   6  */
   7
   8 #include "debugfs.h"
   9
  10 #include <linux/skbuff.h>
  11 #include <linux/slab.h>
  12
  13 #include "wl1251.h"
  14 #include "acx.h"
  15 #include "ps.h"
  16
  17 /* ms */
  18 #define WL1251_DEBUGFS_STATS_LIFETIME 1000
  19
  20 /* debugfs macros idea from mac80211 */
  21
  22 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)              \
  23 static ssize_t name## _read(struct file *file, char __user *userbuf,    \
  24                             size_t count, loff_t *ppos)                 \
  25 {                                                                       \
  26         struct wl1251 *wl = file->private_data;                         \
  27         char buf[buflen];                                               \
  28         int res;                                                        \
  29                                                                         \
  30         res = scnprintf(buf, buflen, fmt "\n", ##value);                \
  31         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
  32 }                                                                       \
  33                                                                         \
  34 static const struct file_operations name## _ops = {                     \
  35         .read = name## _read,                                           \
  36         .open = simple_open,                                            \
  37         .llseek = generic_file_llseek,                                  \
  38 };
  39
  40 #define DEBUGFS_ADD(name, parent)                                       \
  41         wl->debugfs.name = debugfs_create_file(#name, 0400, parent,     \
  42                                                wl, &name## _ops);       \
  43
  44 #define DEBUGFS_DEL(name)                                               \
  45         do {                                                            \
  46                 debugfs_remove(wl->debugfs.name);                       \
  47                 wl->debugfs.name = NULL;                                \
  48         } while (0)
  49
  50 #define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt)                    \
  51 static ssize_t sub## _ ##name## _read(struct file *file,                \
  52                                       char __user *userbuf,             \
  53                                       size_t count, loff_t *ppos)       \
  54 {                                                                       \
  55         struct wl1251 *wl = file->private_data;                         \
  56         char buf[buflen];                                               \
  57         int res;                                                        \
  58                                                                         \
  59         wl1251_debugfs_update_stats(wl);                                \
  60                                                                         \
  61         res = scnprintf(buf, buflen, fmt "\n",                          \
  62                         wl->stats.fw_stats->sub.name);                  \
  63         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
  64 }                                                                       \
  65                                                                         \
  66 static const struct file_operations sub## _ ##name## _ops = {           \
  67         .read = sub## _ ##name## _read,                                 \
  68         .open = simple_open,                                            \
  69         .llseek = generic_file_llseek,                                  \
  70 };
  71
  72 #define DEBUGFS_FWSTATS_ADD(sub, name)                          \
  73         DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
  74
  75 #define DEBUGFS_FWSTATS_DEL(sub, name)                          \
  76         DEBUGFS_DEL(sub## _ ##name)
  77
  78 static void wl1251_debugfs_update_stats(struct wl1251 *wl)
  79 {
  80         int ret;
  81
  82         mutex_lock(&wl->mutex);
  83
  84         ret = wl1251_ps_elp_wakeup(wl);
  85         if (ret < 0)
  86                 goto out;
  87
  88         if (wl->state == WL1251_STATE_ON &&
  89             time_after(jiffies, wl->stats.fw_stats_update +
  90                        msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) {
  91                 wl1251_acx_statistics(wl, wl->stats.fw_stats);
  92                 wl->stats.fw_stats_update = jiffies;
  93         }
  94
  95         wl1251_ps_elp_sleep(wl);
  96
  97 out:
  98         mutex_unlock(&wl->mutex);
  99 }
 100
 101 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
 102
 103 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
 104 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
 105 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
 106 DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
 107 DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
 108 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
 109 DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
 110 DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
 111
 112 DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
 113 DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
 114 DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
 115 DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
 116
 117 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
 118 DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
 119 DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
 120 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
 121 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
 122 DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
 123 DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
 124 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
 125 DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
 126 DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
 127 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
 128 DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
 129 DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
 130 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
 131 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
 132 DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
 133 DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
 134 DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
 135
 136 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
 137 DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
 138 /* skipping wep.reserved */
 139 DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
 140 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
 141 DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
 142 DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
 143
 144 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
 145 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
 146 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
 147 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
 148 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
 149 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
 150 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
 151 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
 152 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
 153 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
 154 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
 155 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
 156 /* skipping cont_miss_bcns_spread for now */
 157 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
 158
 159 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
 160 DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
 161
 162 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
 163 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
 164 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
 165 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
 166 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
 167 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
 168
 169 DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
 170 DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
 171 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
 172 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
 173 DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
 174 DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
 175 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
 176 DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
 177
 178 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
 179 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
 180 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
 181 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
 182 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
 183 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
 184 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
 185
 186 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
 187 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
 188 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
 189                      20, "%u");
 190 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
 191 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
 192
 193 DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
 194 DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
 195                       wl->stats.excessive_retries);
 196
 197 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
 198                                  size_t count, loff_t *ppos)
 199 {
 200         struct wl1251 *wl = file->private_data;
 201         u32 queue_len;
 202         char buf[20];
 203         int res;
 204
 205         queue_len = skb_queue_len(&wl->tx_queue);
 206
 207         res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
 208         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 209 }
 210
 211 static const struct file_operations tx_queue_len_ops = {
 212         .read = tx_queue_len_read,
 213         .open = simple_open,
 214         .llseek = generic_file_llseek,
 215 };
 216
 217 static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf,
 218                                     size_t count, loff_t *ppos)
 219 {
 220         struct wl1251 *wl = file->private_data;
 221         char buf[3], status;
 222         int len;
 223
 224         if (wl->tx_queue_stopped)
 225                 status = 's';
 226         else
 227                 status = 'r';
 228
 229         len = scnprintf(buf, sizeof(buf), "%c\n", status);
 230         return simple_read_from_buffer(userbuf, count, ppos, buf, len);
 231 }
 232
 233 static const struct file_operations tx_queue_status_ops = {
 234         .read = tx_queue_status_read,
 235         .open = simple_open,
 236         .llseek = generic_file_llseek,
 237 };
 238
 239 static void wl1251_debugfs_delete_files(struct wl1251 *wl)
 240 {
 241         DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
 242
 243         DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
 244         DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
 245         DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
 246         DEBUGFS_FWSTATS_DEL(rx, dropped);
 247         DEBUGFS_FWSTATS_DEL(rx, fcs_err);
 248         DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
 249         DEBUGFS_FWSTATS_DEL(rx, path_reset);
 250         DEBUGFS_FWSTATS_DEL(rx, reset_counter);
 251
 252         DEBUGFS_FWSTATS_DEL(dma, rx_requested);
 253         DEBUGFS_FWSTATS_DEL(dma, rx_errors);
 254         DEBUGFS_FWSTATS_DEL(dma, tx_requested);
 255         DEBUGFS_FWSTATS_DEL(dma, tx_errors);
 256
 257         DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
 258         DEBUGFS_FWSTATS_DEL(isr, fiqs);
 259         DEBUGFS_FWSTATS_DEL(isr, rx_headers);
 260         DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
 261         DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
 262         DEBUGFS_FWSTATS_DEL(isr, irqs);
 263         DEBUGFS_FWSTATS_DEL(isr, tx_procs);
 264         DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
 265         DEBUGFS_FWSTATS_DEL(isr, dma0_done);
 266         DEBUGFS_FWSTATS_DEL(isr, dma1_done);
 267         DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
 268         DEBUGFS_FWSTATS_DEL(isr, commands);
 269         DEBUGFS_FWSTATS_DEL(isr, rx_procs);
 270         DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
 271         DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
 272         DEBUGFS_FWSTATS_DEL(isr, pci_pm);
 273         DEBUGFS_FWSTATS_DEL(isr, wakeups);
 274         DEBUGFS_FWSTATS_DEL(isr, low_rssi);
 275
 276         DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
 277         DEBUGFS_FWSTATS_DEL(wep, default_key_count);
 278         /* skipping wep.reserved */
 279         DEBUGFS_FWSTATS_DEL(wep, key_not_found);
 280         DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
 281         DEBUGFS_FWSTATS_DEL(wep, packets);
 282         DEBUGFS_FWSTATS_DEL(wep, interrupt);
 283
 284         DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
 285         DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
 286         DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
 287         DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
 288         DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
 289         DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
 290         DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
 291         DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
 292         DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
 293         DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
 294         DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
 295         DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
 296         /* skipping cont_miss_bcns_spread for now */
 297         DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
 298
 299         DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
 300         DEBUGFS_FWSTATS_DEL(mic, calc_failure);
 301
 302         DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
 303         DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
 304         DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
 305         DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
 306         DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
 307         DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
 308
 309         DEBUGFS_FWSTATS_DEL(event, heart_beat);
 310         DEBUGFS_FWSTATS_DEL(event, calibration);
 311         DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
 312         DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
 313         DEBUGFS_FWSTATS_DEL(event, rx_pool);
 314         DEBUGFS_FWSTATS_DEL(event, oom_late);
 315         DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
 316         DEBUGFS_FWSTATS_DEL(event, tx_stuck);
 317
 318         DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
 319         DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
 320         DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
 321         DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
 322         DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
 323         DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
 324         DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
 325
 326         DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
 327         DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
 328         DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
 329         DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
 330         DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
 331
 332         DEBUGFS_DEL(tx_queue_len);
 333         DEBUGFS_DEL(tx_queue_status);
 334         DEBUGFS_DEL(retry_count);
 335         DEBUGFS_DEL(excessive_retries);
 336 }
 337
 338 static void wl1251_debugfs_add_files(struct wl1251 *wl)
 339 {
 340         DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
 341
 342         DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
 343         DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
 344         DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
 345         DEBUGFS_FWSTATS_ADD(rx, dropped);
 346         DEBUGFS_FWSTATS_ADD(rx, fcs_err);
 347         DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
 348         DEBUGFS_FWSTATS_ADD(rx, path_reset);
 349         DEBUGFS_FWSTATS_ADD(rx, reset_counter);
 350
 351         DEBUGFS_FWSTATS_ADD(dma, rx_requested);
 352         DEBUGFS_FWSTATS_ADD(dma, rx_errors);
 353         DEBUGFS_FWSTATS_ADD(dma, tx_requested);
 354         DEBUGFS_FWSTATS_ADD(dma, tx_errors);
 355
 356         DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
 357         DEBUGFS_FWSTATS_ADD(isr, fiqs);
 358         DEBUGFS_FWSTATS_ADD(isr, rx_headers);
 359         DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
 360         DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
 361         DEBUGFS_FWSTATS_ADD(isr, irqs);
 362         DEBUGFS_FWSTATS_ADD(isr, tx_procs);
 363         DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
 364         DEBUGFS_FWSTATS_ADD(isr, dma0_done);
 365         DEBUGFS_FWSTATS_ADD(isr, dma1_done);
 366         DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
 367         DEBUGFS_FWSTATS_ADD(isr, commands);
 368         DEBUGFS_FWSTATS_ADD(isr, rx_procs);
 369         DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
 370         DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
 371         DEBUGFS_FWSTATS_ADD(isr, pci_pm);
 372         DEBUGFS_FWSTATS_ADD(isr, wakeups);
 373         DEBUGFS_FWSTATS_ADD(isr, low_rssi);
 374
 375         DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
 376         DEBUGFS_FWSTATS_ADD(wep, default_key_count);
 377         /* skipping wep.reserved */
 378         DEBUGFS_FWSTATS_ADD(wep, key_not_found);
 379         DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
 380         DEBUGFS_FWSTATS_ADD(wep, packets);
 381         DEBUGFS_FWSTATS_ADD(wep, interrupt);
 382
 383         DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
 384         DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
 385         DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
 386         DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
 387         DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
 388         DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
 389         DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
 390         DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
 391         DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
 392         DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
 393         DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
 394         DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
 395         /* skipping cont_miss_bcns_spread for now */
 396         DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
 397
 398         DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
 399         DEBUGFS_FWSTATS_ADD(mic, calc_failure);
 400
 401         DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
 402         DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
 403         DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
 404         DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
 405         DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
 406         DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
 407
 408         DEBUGFS_FWSTATS_ADD(event, heart_beat);
 409         DEBUGFS_FWSTATS_ADD(event, calibration);
 410         DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
 411         DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
 412         DEBUGFS_FWSTATS_ADD(event, rx_pool);
 413         DEBUGFS_FWSTATS_ADD(event, oom_late);
 414         DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
 415         DEBUGFS_FWSTATS_ADD(event, tx_stuck);
 416
 417         DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
 418         DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
 419         DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
 420         DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
 421         DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
 422         DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
 423         DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
 424
 425         DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
 426         DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
 427         DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
 428         DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
 429         DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
 430
 431         DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
 432         DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir);
 433         DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
 434         DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
 435 }
 436
 437 void wl1251_debugfs_reset(struct wl1251 *wl)
 438 {
 439         if (wl->stats.fw_stats != NULL)
 440                 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
 441         wl->stats.retry_count = 0;
 442         wl->stats.excessive_retries = 0;
 443 }
 444
 445 int wl1251_debugfs_init(struct wl1251 *wl)
 446 {
 447         wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), GFP_KERNEL);
 448         if (!wl->stats.fw_stats)
 449                 return -ENOMEM;
 450
 451         wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
 452
 453         wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
 454                                                        wl->debugfs.rootdir);
 455
 456         wl->stats.fw_stats_update = jiffies;
 457
 458         wl1251_debugfs_add_files(wl);
 459
 460         return 0;
 461 }
 462
 463 void wl1251_debugfs_exit(struct wl1251 *wl)
 464 {
 465         wl1251_debugfs_delete_files(wl);
 466
 467         kfree(wl->stats.fw_stats);
 468         wl->stats.fw_stats = NULL;
 469
 470         debugfs_remove(wl->debugfs.fw_statistics);
 471         wl->debugfs.fw_statistics = NULL;
 472
 473         debugfs_remove(wl->debugfs.rootdir);
 474         wl->debugfs.rootdir = NULL;
 475
 476 }