1/* 2 * This file is part of wl1251 3 * 4 * Copyright (C) 2009 Nokia Corporation 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 * 20 */ 21 22#include "debugfs.h" 23 24#include <linux/skbuff.h> 25#include <linux/slab.h> 26 27#include "wl1251.h" 28#include "acx.h" 29#include "ps.h" 30 31/* ms */ 32#define WL1251_DEBUGFS_STATS_LIFETIME 1000 33 34/* debugfs macros idea from mac80211 */ 35 36#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ 37static ssize_t name## _read(struct file *file, char __user *userbuf, \ 38 size_t count, loff_t *ppos) \ 39{ \ 40 struct wl1251 *wl = file->private_data; \ 41 char buf[buflen]; \ 42 int res; \ 43 \ 44 res = scnprintf(buf, buflen, fmt "\n", ##value); \ 45 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ 46} \ 47 \ 48static const struct file_operations name## _ops = { \ 49 .read = name## _read, \ 50 .open = simple_open, \ 51 .llseek = generic_file_llseek, \ 52}; 53 54#define DEBUGFS_ADD(name, parent) \ 55 wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \ 56 wl, &name## _ops); \ 57 if (IS_ERR(wl->debugfs.name)) { \ 58 ret = PTR_ERR(wl->debugfs.name); \ 59 wl->debugfs.name = NULL; \ 60 goto out; \ 61 } 62 63#define DEBUGFS_DEL(name) \ 64 do { \ 65 debugfs_remove(wl->debugfs.name); \ 66 wl->debugfs.name = NULL; \ 67 } while (0) 68 69#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \ 70static ssize_t sub## _ ##name## _read(struct file *file, \ 71 char __user *userbuf, \ 72 size_t count, loff_t *ppos) \ 73{ \ 74 struct wl1251 *wl = file->private_data; \ 75 char buf[buflen]; \ 76 int res; \ 77 \ 78 wl1251_debugfs_update_stats(wl); \ 79 \ 80 res = scnprintf(buf, buflen, fmt "\n", \ 81 wl->stats.fw_stats->sub.name); \ 82 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ 83} \ 84 \ 85static const struct file_operations sub## _ ##name## _ops = { \ 86 .read = sub## _ ##name## _read, \ 87 .open = simple_open, \ 88 .llseek = generic_file_llseek, \ 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 97static void wl1251_debugfs_update_stats(struct wl1251 *wl) 98{ 99 int ret; 100 101 mutex_lock(&wl->mutex); 102 103 ret = wl1251_ps_elp_wakeup(wl); 104 if (ret < 0) 105 goto out; 106 107 if (wl->state == WL1251_STATE_ON && 108 time_after(jiffies, wl->stats.fw_stats_update + 109 msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) { 110 wl1251_acx_statistics(wl, wl->stats.fw_stats); 111 wl->stats.fw_stats_update = jiffies; 112 } 113 114 wl1251_ps_elp_sleep(wl); 115 116out: 117 mutex_unlock(&wl->mutex); 118} 119 120DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u"); 121 122DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u"); 123DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u"); 124DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u"); 125DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u"); 126DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u"); 127DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u"); 128DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u"); 129DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u"); 130 131DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u"); 132DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u"); 133DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u"); 134DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u"); 135 136DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u"); 137DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u"); 138DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u"); 139DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u"); 140DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u"); 141DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u"); 142DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u"); 143DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u"); 144DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u"); 145DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u"); 146DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u"); 147DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u"); 148DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u"); 149DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u"); 150DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u"); 151DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u"); 152DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u"); 153DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u"); 154 155DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u"); 156DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u"); 157/* skipping wep.reserved */ 158DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u"); 159DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u"); 160DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u"); 161DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u"); 162 163DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u"); 164DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u"); 165DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u"); 166DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u"); 167DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u"); 168DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u"); 169DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u"); 170DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u"); 171DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u"); 172DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u"); 173DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u"); 174DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u"); 175/* skipping cont_miss_bcns_spread for now */ 176DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u"); 177 178DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u"); 179DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u"); 180 181DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u"); 182DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u"); 183DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u"); 184DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u"); 185DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u"); 186DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u"); 187 188DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u"); 189DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u"); 190DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u"); 191DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u"); 192DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u"); 193DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u"); 194DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u"); 195DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u"); 196 197DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u"); 198DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u"); 199DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u"); 200DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u"); 201DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u"); 202DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u"); 203DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u"); 204 205DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u"); 206DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u"); 207DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, 208 20, "%u"); 209DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u"); 210DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u"); 211 212DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count); 213DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u", 214 wl->stats.excessive_retries); 215 216static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, 217 size_t count, loff_t *ppos) 218{ 219 struct wl1251 *wl = file->private_data; 220 u32 queue_len; 221 char buf[20]; 222 int res; 223 224 queue_len = skb_queue_len(&wl->tx_queue); 225 226 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len); 227 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 228} 229 230static const struct file_operations tx_queue_len_ops = { 231 .read = tx_queue_len_read, 232 .open = simple_open, 233 .llseek = generic_file_llseek, 234}; 235 236static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf, 237 size_t count, loff_t *ppos) 238{ 239 struct wl1251 *wl = file->private_data; 240 char buf[3], status; 241 int len; 242 243 if (wl->tx_queue_stopped) 244 status = 's'; 245 else 246 status = 'r'; 247 248 len = scnprintf(buf, sizeof(buf), "%c\n", status); 249 return simple_read_from_buffer(userbuf, count, ppos, buf, len); 250} 251 252static const struct file_operations tx_queue_status_ops = { 253 .read = tx_queue_status_read, 254 .open = simple_open, 255 .llseek = generic_file_llseek, 256}; 257 258static void wl1251_debugfs_delete_files(struct wl1251 *wl) 259{ 260 DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow); 261 262 DEBUGFS_FWSTATS_DEL(rx, out_of_mem); 263 DEBUGFS_FWSTATS_DEL(rx, hdr_overflow); 264 DEBUGFS_FWSTATS_DEL(rx, hw_stuck); 265 DEBUGFS_FWSTATS_DEL(rx, dropped); 266 DEBUGFS_FWSTATS_DEL(rx, fcs_err); 267 DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig); 268 DEBUGFS_FWSTATS_DEL(rx, path_reset); 269 DEBUGFS_FWSTATS_DEL(rx, reset_counter); 270 271 DEBUGFS_FWSTATS_DEL(dma, rx_requested); 272 DEBUGFS_FWSTATS_DEL(dma, rx_errors); 273 DEBUGFS_FWSTATS_DEL(dma, tx_requested); 274 DEBUGFS_FWSTATS_DEL(dma, tx_errors); 275 276 DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt); 277 DEBUGFS_FWSTATS_DEL(isr, fiqs); 278 DEBUGFS_FWSTATS_DEL(isr, rx_headers); 279 DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow); 280 DEBUGFS_FWSTATS_DEL(isr, rx_rdys); 281 DEBUGFS_FWSTATS_DEL(isr, irqs); 282 DEBUGFS_FWSTATS_DEL(isr, tx_procs); 283 DEBUGFS_FWSTATS_DEL(isr, decrypt_done); 284 DEBUGFS_FWSTATS_DEL(isr, dma0_done); 285 DEBUGFS_FWSTATS_DEL(isr, dma1_done); 286 DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete); 287 DEBUGFS_FWSTATS_DEL(isr, commands); 288 DEBUGFS_FWSTATS_DEL(isr, rx_procs); 289 DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes); 290 DEBUGFS_FWSTATS_DEL(isr, host_acknowledges); 291 DEBUGFS_FWSTATS_DEL(isr, pci_pm); 292 DEBUGFS_FWSTATS_DEL(isr, wakeups); 293 DEBUGFS_FWSTATS_DEL(isr, low_rssi); 294 295 DEBUGFS_FWSTATS_DEL(wep, addr_key_count); 296 DEBUGFS_FWSTATS_DEL(wep, default_key_count); 297 /* skipping wep.reserved */ 298 DEBUGFS_FWSTATS_DEL(wep, key_not_found); 299 DEBUGFS_FWSTATS_DEL(wep, decrypt_fail); 300 DEBUGFS_FWSTATS_DEL(wep, packets); 301 DEBUGFS_FWSTATS_DEL(wep, interrupt); 302 303 DEBUGFS_FWSTATS_DEL(pwr, ps_enter); 304 DEBUGFS_FWSTATS_DEL(pwr, elp_enter); 305 DEBUGFS_FWSTATS_DEL(pwr, missing_bcns); 306 DEBUGFS_FWSTATS_DEL(pwr, wake_on_host); 307 DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp); 308 DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps); 309 DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps); 310 DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons); 311 DEBUGFS_FWSTATS_DEL(pwr, power_save_off); 312 DEBUGFS_FWSTATS_DEL(pwr, enable_ps); 313 DEBUGFS_FWSTATS_DEL(pwr, disable_ps); 314 DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps); 315 /* skipping cont_miss_bcns_spread for now */ 316 DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons); 317 318 DEBUGFS_FWSTATS_DEL(mic, rx_pkts); 319 DEBUGFS_FWSTATS_DEL(mic, calc_failure); 320 321 DEBUGFS_FWSTATS_DEL(aes, encrypt_fail); 322 DEBUGFS_FWSTATS_DEL(aes, decrypt_fail); 323 DEBUGFS_FWSTATS_DEL(aes, encrypt_packets); 324 DEBUGFS_FWSTATS_DEL(aes, decrypt_packets); 325 DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt); 326 DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt); 327 328 DEBUGFS_FWSTATS_DEL(event, heart_beat); 329 DEBUGFS_FWSTATS_DEL(event, calibration); 330 DEBUGFS_FWSTATS_DEL(event, rx_mismatch); 331 DEBUGFS_FWSTATS_DEL(event, rx_mem_empty); 332 DEBUGFS_FWSTATS_DEL(event, rx_pool); 333 DEBUGFS_FWSTATS_DEL(event, oom_late); 334 DEBUGFS_FWSTATS_DEL(event, phy_transmit_error); 335 DEBUGFS_FWSTATS_DEL(event, tx_stuck); 336 337 DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts); 338 DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts); 339 DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime); 340 DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn); 341 DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn); 342 DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization); 343 DEBUGFS_FWSTATS_DEL(ps, upsd_utilization); 344 345 DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop); 346 DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data); 347 DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); 348 DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data); 349 DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data); 350 351 DEBUGFS_DEL(tx_queue_len); 352 DEBUGFS_DEL(tx_queue_status); 353 DEBUGFS_DEL(retry_count); 354 DEBUGFS_DEL(excessive_retries); 355} 356 357static int wl1251_debugfs_add_files(struct wl1251 *wl) 358{ 359 int ret = 0; 360 361 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); 362 363 DEBUGFS_FWSTATS_ADD(rx, out_of_mem); 364 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); 365 DEBUGFS_FWSTATS_ADD(rx, hw_stuck); 366 DEBUGFS_FWSTATS_ADD(rx, dropped); 367 DEBUGFS_FWSTATS_ADD(rx, fcs_err); 368 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); 369 DEBUGFS_FWSTATS_ADD(rx, path_reset); 370 DEBUGFS_FWSTATS_ADD(rx, reset_counter); 371 372 DEBUGFS_FWSTATS_ADD(dma, rx_requested); 373 DEBUGFS_FWSTATS_ADD(dma, rx_errors); 374 DEBUGFS_FWSTATS_ADD(dma, tx_requested); 375 DEBUGFS_FWSTATS_ADD(dma, tx_errors); 376 377 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); 378 DEBUGFS_FWSTATS_ADD(isr, fiqs); 379 DEBUGFS_FWSTATS_ADD(isr, rx_headers); 380 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); 381 DEBUGFS_FWSTATS_ADD(isr, rx_rdys); 382 DEBUGFS_FWSTATS_ADD(isr, irqs); 383 DEBUGFS_FWSTATS_ADD(isr, tx_procs); 384 DEBUGFS_FWSTATS_ADD(isr, decrypt_done); 385 DEBUGFS_FWSTATS_ADD(isr, dma0_done); 386 DEBUGFS_FWSTATS_ADD(isr, dma1_done); 387 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); 388 DEBUGFS_FWSTATS_ADD(isr, commands); 389 DEBUGFS_FWSTATS_ADD(isr, rx_procs); 390 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); 391 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); 392 DEBUGFS_FWSTATS_ADD(isr, pci_pm); 393 DEBUGFS_FWSTATS_ADD(isr, wakeups); 394 DEBUGFS_FWSTATS_ADD(isr, low_rssi); 395 396 DEBUGFS_FWSTATS_ADD(wep, addr_key_count); 397 DEBUGFS_FWSTATS_ADD(wep, default_key_count); 398 /* skipping wep.reserved */ 399 DEBUGFS_FWSTATS_ADD(wep, key_not_found); 400 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); 401 DEBUGFS_FWSTATS_ADD(wep, packets); 402 DEBUGFS_FWSTATS_ADD(wep, interrupt); 403 404 DEBUGFS_FWSTATS_ADD(pwr, ps_enter); 405 DEBUGFS_FWSTATS_ADD(pwr, elp_enter); 406 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); 407 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); 408 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); 409 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); 410 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); 411 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); 412 DEBUGFS_FWSTATS_ADD(pwr, power_save_off); 413 DEBUGFS_FWSTATS_ADD(pwr, enable_ps); 414 DEBUGFS_FWSTATS_ADD(pwr, disable_ps); 415 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); 416 /* skipping cont_miss_bcns_spread for now */ 417 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); 418 419 DEBUGFS_FWSTATS_ADD(mic, rx_pkts); 420 DEBUGFS_FWSTATS_ADD(mic, calc_failure); 421 422 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); 423 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); 424 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); 425 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); 426 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); 427 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); 428 429 DEBUGFS_FWSTATS_ADD(event, heart_beat); 430 DEBUGFS_FWSTATS_ADD(event, calibration); 431 DEBUGFS_FWSTATS_ADD(event, rx_mismatch); 432 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); 433 DEBUGFS_FWSTATS_ADD(event, rx_pool); 434 DEBUGFS_FWSTATS_ADD(event, oom_late); 435 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); 436 DEBUGFS_FWSTATS_ADD(event, tx_stuck); 437 438 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); 439 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); 440 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); 441 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); 442 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); 443 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); 444 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); 445 446 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); 447 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); 448 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); 449 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); 450 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); 451 452 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir); 453 DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir); 454 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); 455 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); 456 457out: 458 if (ret < 0) 459 wl1251_debugfs_delete_files(wl); 460 461 return ret; 462} 463 464void wl1251_debugfs_reset(struct wl1251 *wl) 465{ 466 if (wl->stats.fw_stats != NULL) 467 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); 468 wl->stats.retry_count = 0; 469 wl->stats.excessive_retries = 0; 470} 471 472int wl1251_debugfs_init(struct wl1251 *wl) 473{ 474 int ret; 475 476 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); 477 478 if (IS_ERR(wl->debugfs.rootdir)) { 479 ret = PTR_ERR(wl->debugfs.rootdir); 480 wl->debugfs.rootdir = NULL; 481 goto err; 482 } 483 484 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics", 485 wl->debugfs.rootdir); 486 487 if (IS_ERR(wl->debugfs.fw_statistics)) { 488 ret = PTR_ERR(wl->debugfs.fw_statistics); 489 wl->debugfs.fw_statistics = NULL; 490 goto err_root; 491 } 492 493 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), 494 GFP_KERNEL); 495 496 if (!wl->stats.fw_stats) { 497 ret = -ENOMEM; 498 goto err_fw; 499 } 500 501 wl->stats.fw_stats_update = jiffies; 502 503 ret = wl1251_debugfs_add_files(wl); 504 505 if (ret < 0) 506 goto err_file; 507 508 return 0; 509 510err_file: 511 kfree(wl->stats.fw_stats); 512 wl->stats.fw_stats = NULL; 513 514err_fw: 515 debugfs_remove(wl->debugfs.fw_statistics); 516 wl->debugfs.fw_statistics = NULL; 517 518err_root: 519 debugfs_remove(wl->debugfs.rootdir); 520 wl->debugfs.rootdir = NULL; 521 522err: 523 return ret; 524} 525 526void wl1251_debugfs_exit(struct wl1251 *wl) 527{ 528 wl1251_debugfs_delete_files(wl); 529 530 kfree(wl->stats.fw_stats); 531 wl->stats.fw_stats = NULL; 532 533 debugfs_remove(wl->debugfs.fw_statistics); 534 wl->debugfs.fw_statistics = NULL; 535 536 debugfs_remove(wl->debugfs.rootdir); 537 wl->debugfs.rootdir = NULL; 538 539} 540