debugfs.c (15943B)
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...) \ 23static 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 \ 34static 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) \ 51static 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 \ 66static 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 78static 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 97out: 98 mutex_unlock(&wl->mutex); 99} 100 101DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u"); 102 103DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u"); 104DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u"); 105DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u"); 106DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u"); 107DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u"); 108DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u"); 109DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u"); 110DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u"); 111 112DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u"); 113DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u"); 114DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u"); 115DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u"); 116 117DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u"); 118DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u"); 119DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u"); 120DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u"); 121DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u"); 122DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u"); 123DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u"); 124DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u"); 125DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u"); 126DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u"); 127DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u"); 128DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u"); 129DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u"); 130DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u"); 131DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u"); 132DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u"); 133DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u"); 134DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u"); 135 136DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u"); 137DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u"); 138/* skipping wep.reserved */ 139DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u"); 140DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u"); 141DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u"); 142DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u"); 143 144DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u"); 145DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u"); 146DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u"); 147DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u"); 148DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u"); 149DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u"); 150DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u"); 151DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u"); 152DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u"); 153DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u"); 154DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u"); 155DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u"); 156/* skipping cont_miss_bcns_spread for now */ 157DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u"); 158 159DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u"); 160DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u"); 161 162DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u"); 163DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u"); 164DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u"); 165DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u"); 166DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u"); 167DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u"); 168 169DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u"); 170DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u"); 171DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u"); 172DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u"); 173DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u"); 174DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u"); 175DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u"); 176DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u"); 177 178DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u"); 179DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u"); 180DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u"); 181DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u"); 182DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u"); 183DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u"); 184DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u"); 185 186DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u"); 187DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u"); 188DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, 189 20, "%u"); 190DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u"); 191DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u"); 192 193DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count); 194DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u", 195 wl->stats.excessive_retries); 196 197static 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 211static 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 217static 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 233static 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 239static 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 338static 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 437void 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 445int 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 463void 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}