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...) \ 37 static 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 \ 48 static 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 58 #define DEBUGFS_DEL(name) \ 59 do { \ 60 debugfs_remove(wl->debugfs.name); \ 61 wl->debugfs.name = NULL; \ 62 } while (0) 63 64 #define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \ 65 static ssize_t sub## _ ##name## _read(struct file *file, \ 66 char __user *userbuf, \ 67 size_t count, loff_t *ppos) \ 68 { \ 69 struct wl1251 *wl = file->private_data; \ 70 char buf[buflen]; \ 71 int res; \ 72 \ 73 wl1251_debugfs_update_stats(wl); \ 74 \ 75 res = scnprintf(buf, buflen, fmt "\n", \ 76 wl->stats.fw_stats->sub.name); \ 77 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ 78 } \ 79 \ 80 static const struct file_operations sub## _ ##name## _ops = { \ 81 .read = sub## _ ##name## _read, \ 82 .open = simple_open, \ 83 .llseek = generic_file_llseek, \ 84 }; 85 86 #define DEBUGFS_FWSTATS_ADD(sub, name) \ 87 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics) 88 89 #define DEBUGFS_FWSTATS_DEL(sub, name) \ 90 DEBUGFS_DEL(sub## _ ##name) 91 92 static void wl1251_debugfs_update_stats(struct wl1251 *wl) 93 { 94 int ret; 95 96 mutex_lock(&wl->mutex); 97 98 ret = wl1251_ps_elp_wakeup(wl); 99 if (ret < 0) 100 goto out; 101 102 if (wl->state == WL1251_STATE_ON && 103 time_after(jiffies, wl->stats.fw_stats_update + 104 msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) { 105 wl1251_acx_statistics(wl, wl->stats.fw_stats); 106 wl->stats.fw_stats_update = jiffies; 107 } 108 109 wl1251_ps_elp_sleep(wl); 110 111 out: 112 mutex_unlock(&wl->mutex); 113 } 114 115 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u"); 116 117 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u"); 118 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u"); 119 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u"); 120 DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u"); 121 DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u"); 122 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u"); 123 DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u"); 124 DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u"); 125 126 DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u"); 127 DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u"); 128 DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u"); 129 DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u"); 130 131 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u"); 132 DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u"); 133 DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u"); 134 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u"); 135 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u"); 136 DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u"); 137 DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u"); 138 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u"); 139 DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u"); 140 DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u"); 141 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u"); 142 DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u"); 143 DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u"); 144 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u"); 145 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u"); 146 DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u"); 147 DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u"); 148 DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u"); 149 150 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u"); 151 DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u"); 152 /* skipping wep.reserved */ 153 DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u"); 154 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u"); 155 DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u"); 156 DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u"); 157 158 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u"); 159 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u"); 160 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u"); 161 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u"); 162 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u"); 163 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u"); 164 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u"); 165 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u"); 166 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u"); 167 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u"); 168 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u"); 169 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u"); 170 /* skipping cont_miss_bcns_spread for now */ 171 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u"); 172 173 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u"); 174 DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u"); 175 176 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u"); 177 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u"); 178 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u"); 179 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u"); 180 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u"); 181 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u"); 182 183 DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u"); 184 DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u"); 185 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u"); 186 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u"); 187 DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u"); 188 DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u"); 189 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u"); 190 DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u"); 191 192 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u"); 193 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u"); 194 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u"); 195 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u"); 196 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u"); 197 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u"); 198 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u"); 199 200 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u"); 201 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u"); 202 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, 203 20, "%u"); 204 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u"); 205 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u"); 206 207 DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count); 208 DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u", 209 wl->stats.excessive_retries); 210 211 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, 212 size_t count, loff_t *ppos) 213 { 214 struct wl1251 *wl = file->private_data; 215 u32 queue_len; 216 char buf[20]; 217 int res; 218 219 queue_len = skb_queue_len(&wl->tx_queue); 220 221 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len); 222 return simple_read_from_buffer(userbuf, count, ppos, buf, res); 223 } 224 225 static const struct file_operations tx_queue_len_ops = { 226 .read = tx_queue_len_read, 227 .open = simple_open, 228 .llseek = generic_file_llseek, 229 }; 230 231 static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf, 232 size_t count, loff_t *ppos) 233 { 234 struct wl1251 *wl = file->private_data; 235 char buf[3], status; 236 int len; 237 238 if (wl->tx_queue_stopped) 239 status = 's'; 240 else 241 status = 'r'; 242 243 len = scnprintf(buf, sizeof(buf), "%c\n", status); 244 return simple_read_from_buffer(userbuf, count, ppos, buf, len); 245 } 246 247 static const struct file_operations tx_queue_status_ops = { 248 .read = tx_queue_status_read, 249 .open = simple_open, 250 .llseek = generic_file_llseek, 251 }; 252 253 static void wl1251_debugfs_delete_files(struct wl1251 *wl) 254 { 255 DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow); 256 257 DEBUGFS_FWSTATS_DEL(rx, out_of_mem); 258 DEBUGFS_FWSTATS_DEL(rx, hdr_overflow); 259 DEBUGFS_FWSTATS_DEL(rx, hw_stuck); 260 DEBUGFS_FWSTATS_DEL(rx, dropped); 261 DEBUGFS_FWSTATS_DEL(rx, fcs_err); 262 DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig); 263 DEBUGFS_FWSTATS_DEL(rx, path_reset); 264 DEBUGFS_FWSTATS_DEL(rx, reset_counter); 265 266 DEBUGFS_FWSTATS_DEL(dma, rx_requested); 267 DEBUGFS_FWSTATS_DEL(dma, rx_errors); 268 DEBUGFS_FWSTATS_DEL(dma, tx_requested); 269 DEBUGFS_FWSTATS_DEL(dma, tx_errors); 270 271 DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt); 272 DEBUGFS_FWSTATS_DEL(isr, fiqs); 273 DEBUGFS_FWSTATS_DEL(isr, rx_headers); 274 DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow); 275 DEBUGFS_FWSTATS_DEL(isr, rx_rdys); 276 DEBUGFS_FWSTATS_DEL(isr, irqs); 277 DEBUGFS_FWSTATS_DEL(isr, tx_procs); 278 DEBUGFS_FWSTATS_DEL(isr, decrypt_done); 279 DEBUGFS_FWSTATS_DEL(isr, dma0_done); 280 DEBUGFS_FWSTATS_DEL(isr, dma1_done); 281 DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete); 282 DEBUGFS_FWSTATS_DEL(isr, commands); 283 DEBUGFS_FWSTATS_DEL(isr, rx_procs); 284 DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes); 285 DEBUGFS_FWSTATS_DEL(isr, host_acknowledges); 286 DEBUGFS_FWSTATS_DEL(isr, pci_pm); 287 DEBUGFS_FWSTATS_DEL(isr, wakeups); 288 DEBUGFS_FWSTATS_DEL(isr, low_rssi); 289 290 DEBUGFS_FWSTATS_DEL(wep, addr_key_count); 291 DEBUGFS_FWSTATS_DEL(wep, default_key_count); 292 /* skipping wep.reserved */ 293 DEBUGFS_FWSTATS_DEL(wep, key_not_found); 294 DEBUGFS_FWSTATS_DEL(wep, decrypt_fail); 295 DEBUGFS_FWSTATS_DEL(wep, packets); 296 DEBUGFS_FWSTATS_DEL(wep, interrupt); 297 298 DEBUGFS_FWSTATS_DEL(pwr, ps_enter); 299 DEBUGFS_FWSTATS_DEL(pwr, elp_enter); 300 DEBUGFS_FWSTATS_DEL(pwr, missing_bcns); 301 DEBUGFS_FWSTATS_DEL(pwr, wake_on_host); 302 DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp); 303 DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps); 304 DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps); 305 DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons); 306 DEBUGFS_FWSTATS_DEL(pwr, power_save_off); 307 DEBUGFS_FWSTATS_DEL(pwr, enable_ps); 308 DEBUGFS_FWSTATS_DEL(pwr, disable_ps); 309 DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps); 310 /* skipping cont_miss_bcns_spread for now */ 311 DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons); 312 313 DEBUGFS_FWSTATS_DEL(mic, rx_pkts); 314 DEBUGFS_FWSTATS_DEL(mic, calc_failure); 315 316 DEBUGFS_FWSTATS_DEL(aes, encrypt_fail); 317 DEBUGFS_FWSTATS_DEL(aes, decrypt_fail); 318 DEBUGFS_FWSTATS_DEL(aes, encrypt_packets); 319 DEBUGFS_FWSTATS_DEL(aes, decrypt_packets); 320 DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt); 321 DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt); 322 323 DEBUGFS_FWSTATS_DEL(event, heart_beat); 324 DEBUGFS_FWSTATS_DEL(event, calibration); 325 DEBUGFS_FWSTATS_DEL(event, rx_mismatch); 326 DEBUGFS_FWSTATS_DEL(event, rx_mem_empty); 327 DEBUGFS_FWSTATS_DEL(event, rx_pool); 328 DEBUGFS_FWSTATS_DEL(event, oom_late); 329 DEBUGFS_FWSTATS_DEL(event, phy_transmit_error); 330 DEBUGFS_FWSTATS_DEL(event, tx_stuck); 331 332 DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts); 333 DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts); 334 DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime); 335 DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn); 336 DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn); 337 DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization); 338 DEBUGFS_FWSTATS_DEL(ps, upsd_utilization); 339 340 DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop); 341 DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data); 342 DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); 343 DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data); 344 DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data); 345 346 DEBUGFS_DEL(tx_queue_len); 347 DEBUGFS_DEL(tx_queue_status); 348 DEBUGFS_DEL(retry_count); 349 DEBUGFS_DEL(excessive_retries); 350 } 351 352 static void wl1251_debugfs_add_files(struct wl1251 *wl) 353 { 354 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); 355 356 DEBUGFS_FWSTATS_ADD(rx, out_of_mem); 357 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); 358 DEBUGFS_FWSTATS_ADD(rx, hw_stuck); 359 DEBUGFS_FWSTATS_ADD(rx, dropped); 360 DEBUGFS_FWSTATS_ADD(rx, fcs_err); 361 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); 362 DEBUGFS_FWSTATS_ADD(rx, path_reset); 363 DEBUGFS_FWSTATS_ADD(rx, reset_counter); 364 365 DEBUGFS_FWSTATS_ADD(dma, rx_requested); 366 DEBUGFS_FWSTATS_ADD(dma, rx_errors); 367 DEBUGFS_FWSTATS_ADD(dma, tx_requested); 368 DEBUGFS_FWSTATS_ADD(dma, tx_errors); 369 370 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); 371 DEBUGFS_FWSTATS_ADD(isr, fiqs); 372 DEBUGFS_FWSTATS_ADD(isr, rx_headers); 373 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); 374 DEBUGFS_FWSTATS_ADD(isr, rx_rdys); 375 DEBUGFS_FWSTATS_ADD(isr, irqs); 376 DEBUGFS_FWSTATS_ADD(isr, tx_procs); 377 DEBUGFS_FWSTATS_ADD(isr, decrypt_done); 378 DEBUGFS_FWSTATS_ADD(isr, dma0_done); 379 DEBUGFS_FWSTATS_ADD(isr, dma1_done); 380 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); 381 DEBUGFS_FWSTATS_ADD(isr, commands); 382 DEBUGFS_FWSTATS_ADD(isr, rx_procs); 383 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); 384 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); 385 DEBUGFS_FWSTATS_ADD(isr, pci_pm); 386 DEBUGFS_FWSTATS_ADD(isr, wakeups); 387 DEBUGFS_FWSTATS_ADD(isr, low_rssi); 388 389 DEBUGFS_FWSTATS_ADD(wep, addr_key_count); 390 DEBUGFS_FWSTATS_ADD(wep, default_key_count); 391 /* skipping wep.reserved */ 392 DEBUGFS_FWSTATS_ADD(wep, key_not_found); 393 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); 394 DEBUGFS_FWSTATS_ADD(wep, packets); 395 DEBUGFS_FWSTATS_ADD(wep, interrupt); 396 397 DEBUGFS_FWSTATS_ADD(pwr, ps_enter); 398 DEBUGFS_FWSTATS_ADD(pwr, elp_enter); 399 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); 400 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); 401 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); 402 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); 403 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); 404 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); 405 DEBUGFS_FWSTATS_ADD(pwr, power_save_off); 406 DEBUGFS_FWSTATS_ADD(pwr, enable_ps); 407 DEBUGFS_FWSTATS_ADD(pwr, disable_ps); 408 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); 409 /* skipping cont_miss_bcns_spread for now */ 410 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); 411 412 DEBUGFS_FWSTATS_ADD(mic, rx_pkts); 413 DEBUGFS_FWSTATS_ADD(mic, calc_failure); 414 415 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); 416 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); 417 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); 418 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); 419 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); 420 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); 421 422 DEBUGFS_FWSTATS_ADD(event, heart_beat); 423 DEBUGFS_FWSTATS_ADD(event, calibration); 424 DEBUGFS_FWSTATS_ADD(event, rx_mismatch); 425 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); 426 DEBUGFS_FWSTATS_ADD(event, rx_pool); 427 DEBUGFS_FWSTATS_ADD(event, oom_late); 428 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); 429 DEBUGFS_FWSTATS_ADD(event, tx_stuck); 430 431 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); 432 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); 433 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); 434 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); 435 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); 436 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); 437 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); 438 439 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); 440 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); 441 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); 442 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); 443 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); 444 445 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir); 446 DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir); 447 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); 448 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); 449 } 450 451 void wl1251_debugfs_reset(struct wl1251 *wl) 452 { 453 if (wl->stats.fw_stats != NULL) 454 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); 455 wl->stats.retry_count = 0; 456 wl->stats.excessive_retries = 0; 457 } 458 459 int wl1251_debugfs_init(struct wl1251 *wl) 460 { 461 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), GFP_KERNEL); 462 if (!wl->stats.fw_stats) 463 return -ENOMEM; 464 465 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); 466 467 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics", 468 wl->debugfs.rootdir); 469 470 wl->stats.fw_stats_update = jiffies; 471 472 wl1251_debugfs_add_files(wl); 473 474 return 0; 475 } 476 477 void wl1251_debugfs_exit(struct wl1251 *wl) 478 { 479 wl1251_debugfs_delete_files(wl); 480 481 kfree(wl->stats.fw_stats); 482 wl->stats.fw_stats = NULL; 483 484 debugfs_remove(wl->debugfs.fw_statistics); 485 wl->debugfs.fw_statistics = NULL; 486 487 debugfs_remove(wl->debugfs.rootdir); 488 wl->debugfs.rootdir = NULL; 489 490 } 491