Commit | Line | Data |
---|---|---|
f5fc0f86 LC |
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 | ||
00d20100 | 24 | #include "debugfs.h" |
f5fc0f86 LC |
25 | |
26 | #include <linux/skbuff.h> | |
5a0e3ad6 | 27 | #include <linux/slab.h> |
f5fc0f86 | 28 | |
00d20100 SL |
29 | #include "wl12xx.h" |
30 | #include "acx.h" | |
31 | #include "ps.h" | |
32 | #include "io.h" | |
f5fc0f86 LC |
33 | |
34 | /* ms */ | |
35 | #define WL1271_DEBUGFS_STATS_LIFETIME 1000 | |
36 | ||
37 | /* debugfs macros idea from mac80211 */ | |
03107a4b EP |
38 | #define DEBUGFS_FORMAT_BUFFER_SIZE 100 |
39 | static int wl1271_format_buffer(char __user *userbuf, size_t count, | |
40 | loff_t *ppos, char *fmt, ...) | |
41 | { | |
42 | va_list args; | |
43 | char buf[DEBUGFS_FORMAT_BUFFER_SIZE]; | |
44 | int res; | |
45 | ||
46 | va_start(args, fmt); | |
47 | res = vscnprintf(buf, sizeof(buf), fmt, args); | |
48 | va_end(args); | |
f5fc0f86 | 49 | |
03107a4b EP |
50 | return simple_read_from_buffer(userbuf, count, ppos, buf, res); |
51 | } | |
52 | ||
53 | #define DEBUGFS_READONLY_FILE(name, fmt, value...) \ | |
f5fc0f86 LC |
54 | static ssize_t name## _read(struct file *file, char __user *userbuf, \ |
55 | size_t count, loff_t *ppos) \ | |
56 | { \ | |
57 | struct wl1271 *wl = file->private_data; \ | |
03107a4b EP |
58 | return wl1271_format_buffer(userbuf, count, ppos, \ |
59 | fmt "\n", ##value); \ | |
f5fc0f86 LC |
60 | } \ |
61 | \ | |
62 | static const struct file_operations name## _ops = { \ | |
63 | .read = name## _read, \ | |
64 | .open = wl1271_open_file_generic, \ | |
2b18ab36 | 65 | .llseek = generic_file_llseek, \ |
f5fc0f86 LC |
66 | }; |
67 | ||
68 | #define DEBUGFS_ADD(name, parent) \ | |
7cb2cea9 EP |
69 | entry = debugfs_create_file(#name, 0400, parent, \ |
70 | wl, &name## _ops); \ | |
71 | if (!entry || IS_ERR(entry)) \ | |
72 | goto err; \ | |
f5fc0f86 | 73 | |
03107a4b | 74 | #define DEBUGFS_FWSTATS_FILE(sub, name, fmt) \ |
f5fc0f86 LC |
75 | static ssize_t sub## _ ##name## _read(struct file *file, \ |
76 | char __user *userbuf, \ | |
77 | size_t count, loff_t *ppos) \ | |
78 | { \ | |
79 | struct wl1271 *wl = file->private_data; \ | |
f5fc0f86 LC |
80 | \ |
81 | wl1271_debugfs_update_stats(wl); \ | |
82 | \ | |
03107a4b EP |
83 | return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \ |
84 | wl->stats.fw_stats->sub.name); \ | |
f5fc0f86 LC |
85 | } \ |
86 | \ | |
87 | static const struct file_operations sub## _ ##name## _ops = { \ | |
88 | .read = sub## _ ##name## _read, \ | |
89 | .open = wl1271_open_file_generic, \ | |
2b18ab36 | 90 | .llseek = generic_file_llseek, \ |
f5fc0f86 LC |
91 | }; |
92 | ||
93 | #define DEBUGFS_FWSTATS_ADD(sub, name) \ | |
7cb2cea9 | 94 | DEBUGFS_ADD(sub## _ ##name, stats) |
f5fc0f86 LC |
95 | |
96 | static void wl1271_debugfs_update_stats(struct wl1271 *wl) | |
97 | { | |
98 | int ret; | |
99 | ||
100 | mutex_lock(&wl->mutex); | |
101 | ||
102 | ret = wl1271_ps_elp_wakeup(wl, false); | |
103 | if (ret < 0) | |
104 | goto out; | |
105 | ||
106 | if (wl->state == WL1271_STATE_ON && | |
107 | time_after(jiffies, wl->stats.fw_stats_update + | |
108 | msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) { | |
109 | wl1271_acx_statistics(wl, wl->stats.fw_stats); | |
110 | wl->stats.fw_stats_update = jiffies; | |
111 | } | |
112 | ||
113 | wl1271_ps_elp_sleep(wl); | |
114 | ||
115 | out: | |
116 | mutex_unlock(&wl->mutex); | |
117 | } | |
118 | ||
119 | static int wl1271_open_file_generic(struct inode *inode, struct file *file) | |
120 | { | |
121 | file->private_data = inode->i_private; | |
122 | return 0; | |
123 | } | |
124 | ||
03107a4b EP |
125 | DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u"); |
126 | ||
127 | DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u"); | |
128 | DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u"); | |
129 | DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u"); | |
130 | DEBUGFS_FWSTATS_FILE(rx, dropped, "%u"); | |
131 | DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u"); | |
132 | DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u"); | |
133 | DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u"); | |
134 | DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u"); | |
135 | ||
136 | DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u"); | |
137 | DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u"); | |
138 | DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u"); | |
139 | DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u"); | |
140 | ||
141 | DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u"); | |
142 | DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u"); | |
143 | DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u"); | |
144 | DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u"); | |
145 | DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u"); | |
146 | DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); | |
147 | DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u"); | |
148 | DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u"); | |
149 | DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u"); | |
150 | DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u"); | |
151 | DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u"); | |
152 | DEBUGFS_FWSTATS_FILE(isr, commands, "%u"); | |
153 | DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u"); | |
154 | DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u"); | |
155 | DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u"); | |
156 | DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u"); | |
157 | DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u"); | |
158 | DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u"); | |
159 | ||
160 | DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u"); | |
161 | DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u"); | |
f5fc0f86 | 162 | /* skipping wep.reserved */ |
03107a4b EP |
163 | DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u"); |
164 | DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u"); | |
165 | DEBUGFS_FWSTATS_FILE(wep, packets, "%u"); | |
166 | DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u"); | |
167 | ||
168 | DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u"); | |
169 | DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u"); | |
170 | DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u"); | |
171 | DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u"); | |
172 | DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u"); | |
173 | DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u"); | |
174 | DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u"); | |
175 | DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u"); | |
176 | DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u"); | |
177 | DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u"); | |
178 | DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u"); | |
179 | DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u"); | |
f5fc0f86 | 180 | /* skipping cont_miss_bcns_spread for now */ |
03107a4b EP |
181 | DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u"); |
182 | ||
183 | DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u"); | |
184 | DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u"); | |
185 | ||
186 | DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u"); | |
187 | DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u"); | |
188 | DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u"); | |
189 | DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u"); | |
190 | DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u"); | |
191 | DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u"); | |
192 | ||
193 | DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u"); | |
194 | DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); | |
195 | DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); | |
196 | DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u"); | |
197 | DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u"); | |
198 | DEBUGFS_FWSTATS_FILE(event, oom_late, "%u"); | |
199 | DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u"); | |
200 | DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u"); | |
201 | ||
202 | DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u"); | |
203 | DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u"); | |
204 | DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u"); | |
205 | DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u"); | |
206 | DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u"); | |
207 | DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u"); | |
208 | DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u"); | |
209 | ||
210 | DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u"); | |
211 | DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u"); | |
212 | DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u"); | |
213 | DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u"); | |
214 | DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u"); | |
215 | ||
216 | DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count); | |
217 | DEBUGFS_READONLY_FILE(excessive_retries, "%u", | |
f5fc0f86 LC |
218 | wl->stats.excessive_retries); |
219 | ||
220 | static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, | |
221 | size_t count, loff_t *ppos) | |
222 | { | |
223 | struct wl1271 *wl = file->private_data; | |
224 | u32 queue_len; | |
225 | char buf[20]; | |
226 | int res; | |
227 | ||
6742f554 | 228 | queue_len = wl->tx_queue_count; |
f5fc0f86 LC |
229 | |
230 | res = scnprintf(buf, sizeof(buf), "%u\n", queue_len); | |
231 | return simple_read_from_buffer(userbuf, count, ppos, buf, res); | |
232 | } | |
233 | ||
234 | static const struct file_operations tx_queue_len_ops = { | |
235 | .read = tx_queue_len_read, | |
236 | .open = wl1271_open_file_generic, | |
6038f373 | 237 | .llseek = default_llseek, |
f5fc0f86 LC |
238 | }; |
239 | ||
98b2a684 LC |
240 | static ssize_t gpio_power_read(struct file *file, char __user *user_buf, |
241 | size_t count, loff_t *ppos) | |
242 | { | |
243 | struct wl1271 *wl = file->private_data; | |
71449f8d JO |
244 | bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); |
245 | ||
98b2a684 LC |
246 | int res; |
247 | char buf[10]; | |
248 | ||
71449f8d | 249 | res = scnprintf(buf, sizeof(buf), "%d\n", state); |
98b2a684 LC |
250 | |
251 | return simple_read_from_buffer(user_buf, count, ppos, buf, res); | |
252 | } | |
253 | ||
254 | static ssize_t gpio_power_write(struct file *file, | |
255 | const char __user *user_buf, | |
256 | size_t count, loff_t *ppos) | |
257 | { | |
258 | struct wl1271 *wl = file->private_data; | |
259 | char buf[10]; | |
260 | size_t len; | |
261 | unsigned long value; | |
262 | int ret; | |
263 | ||
264 | mutex_lock(&wl->mutex); | |
265 | ||
266 | len = min(count, sizeof(buf) - 1); | |
267 | if (copy_from_user(buf, user_buf, len)) { | |
268 | ret = -EFAULT; | |
269 | goto out; | |
270 | } | |
271 | buf[len] = '\0'; | |
272 | ||
273 | ret = strict_strtoul(buf, 0, &value); | |
274 | if (ret < 0) { | |
275 | wl1271_warning("illegal value in gpio_power"); | |
276 | goto out; | |
277 | } | |
278 | ||
becd551c TP |
279 | if (value) |
280 | wl1271_power_on(wl); | |
281 | else | |
282 | wl1271_power_off(wl); | |
98b2a684 LC |
283 | |
284 | out: | |
285 | mutex_unlock(&wl->mutex); | |
286 | return count; | |
287 | } | |
288 | ||
289 | static const struct file_operations gpio_power_ops = { | |
290 | .read = gpio_power_read, | |
291 | .write = gpio_power_write, | |
6038f373 AB |
292 | .open = wl1271_open_file_generic, |
293 | .llseek = default_llseek, | |
98b2a684 LC |
294 | }; |
295 | ||
3c2c04a1 EP |
296 | static int wl1271_debugfs_add_files(struct wl1271 *wl, |
297 | struct dentry *rootdir) | |
f5fc0f86 LC |
298 | { |
299 | int ret = 0; | |
7cb2cea9 EP |
300 | struct dentry *entry, *stats; |
301 | ||
3c2c04a1 | 302 | stats = debugfs_create_dir("fw-statistics", rootdir); |
7cb2cea9 EP |
303 | if (!stats || IS_ERR(stats)) { |
304 | entry = stats; | |
305 | goto err; | |
306 | } | |
f5fc0f86 LC |
307 | |
308 | DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); | |
309 | ||
310 | DEBUGFS_FWSTATS_ADD(rx, out_of_mem); | |
311 | DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); | |
312 | DEBUGFS_FWSTATS_ADD(rx, hw_stuck); | |
313 | DEBUGFS_FWSTATS_ADD(rx, dropped); | |
314 | DEBUGFS_FWSTATS_ADD(rx, fcs_err); | |
315 | DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); | |
316 | DEBUGFS_FWSTATS_ADD(rx, path_reset); | |
317 | DEBUGFS_FWSTATS_ADD(rx, reset_counter); | |
318 | ||
319 | DEBUGFS_FWSTATS_ADD(dma, rx_requested); | |
320 | DEBUGFS_FWSTATS_ADD(dma, rx_errors); | |
321 | DEBUGFS_FWSTATS_ADD(dma, tx_requested); | |
322 | DEBUGFS_FWSTATS_ADD(dma, tx_errors); | |
323 | ||
324 | DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); | |
325 | DEBUGFS_FWSTATS_ADD(isr, fiqs); | |
326 | DEBUGFS_FWSTATS_ADD(isr, rx_headers); | |
327 | DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); | |
328 | DEBUGFS_FWSTATS_ADD(isr, rx_rdys); | |
329 | DEBUGFS_FWSTATS_ADD(isr, irqs); | |
330 | DEBUGFS_FWSTATS_ADD(isr, tx_procs); | |
331 | DEBUGFS_FWSTATS_ADD(isr, decrypt_done); | |
332 | DEBUGFS_FWSTATS_ADD(isr, dma0_done); | |
333 | DEBUGFS_FWSTATS_ADD(isr, dma1_done); | |
334 | DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); | |
335 | DEBUGFS_FWSTATS_ADD(isr, commands); | |
336 | DEBUGFS_FWSTATS_ADD(isr, rx_procs); | |
337 | DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); | |
338 | DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); | |
339 | DEBUGFS_FWSTATS_ADD(isr, pci_pm); | |
340 | DEBUGFS_FWSTATS_ADD(isr, wakeups); | |
341 | DEBUGFS_FWSTATS_ADD(isr, low_rssi); | |
342 | ||
343 | DEBUGFS_FWSTATS_ADD(wep, addr_key_count); | |
344 | DEBUGFS_FWSTATS_ADD(wep, default_key_count); | |
345 | /* skipping wep.reserved */ | |
346 | DEBUGFS_FWSTATS_ADD(wep, key_not_found); | |
347 | DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); | |
348 | DEBUGFS_FWSTATS_ADD(wep, packets); | |
349 | DEBUGFS_FWSTATS_ADD(wep, interrupt); | |
350 | ||
351 | DEBUGFS_FWSTATS_ADD(pwr, ps_enter); | |
352 | DEBUGFS_FWSTATS_ADD(pwr, elp_enter); | |
353 | DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); | |
354 | DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); | |
355 | DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); | |
356 | DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); | |
357 | DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); | |
358 | DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); | |
359 | DEBUGFS_FWSTATS_ADD(pwr, power_save_off); | |
360 | DEBUGFS_FWSTATS_ADD(pwr, enable_ps); | |
361 | DEBUGFS_FWSTATS_ADD(pwr, disable_ps); | |
362 | DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); | |
363 | /* skipping cont_miss_bcns_spread for now */ | |
364 | DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); | |
365 | ||
366 | DEBUGFS_FWSTATS_ADD(mic, rx_pkts); | |
367 | DEBUGFS_FWSTATS_ADD(mic, calc_failure); | |
368 | ||
369 | DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); | |
370 | DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); | |
371 | DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); | |
372 | DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); | |
373 | DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); | |
374 | DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); | |
375 | ||
376 | DEBUGFS_FWSTATS_ADD(event, heart_beat); | |
377 | DEBUGFS_FWSTATS_ADD(event, calibration); | |
378 | DEBUGFS_FWSTATS_ADD(event, rx_mismatch); | |
379 | DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); | |
380 | DEBUGFS_FWSTATS_ADD(event, rx_pool); | |
381 | DEBUGFS_FWSTATS_ADD(event, oom_late); | |
382 | DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); | |
383 | DEBUGFS_FWSTATS_ADD(event, tx_stuck); | |
384 | ||
385 | DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); | |
386 | DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); | |
387 | DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); | |
388 | DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); | |
389 | DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); | |
390 | DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); | |
391 | DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); | |
392 | ||
393 | DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); | |
394 | DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); | |
395 | DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); | |
396 | DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); | |
397 | DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); | |
398 | ||
3c2c04a1 EP |
399 | DEBUGFS_ADD(tx_queue_len, rootdir); |
400 | DEBUGFS_ADD(retry_count, rootdir); | |
401 | DEBUGFS_ADD(excessive_retries, rootdir); | |
f5fc0f86 | 402 | |
3c2c04a1 | 403 | DEBUGFS_ADD(gpio_power, rootdir); |
98b2a684 | 404 | |
7cb2cea9 EP |
405 | return 0; |
406 | ||
407 | err: | |
408 | if (IS_ERR(entry)) | |
409 | ret = PTR_ERR(entry); | |
410 | else | |
411 | ret = -ENOMEM; | |
f5fc0f86 LC |
412 | |
413 | return ret; | |
414 | } | |
415 | ||
416 | void wl1271_debugfs_reset(struct wl1271 *wl) | |
417 | { | |
3c2c04a1 | 418 | if (!wl->stats.fw_stats) |
43a598d5 LC |
419 | return; |
420 | ||
f5fc0f86 LC |
421 | memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); |
422 | wl->stats.retry_count = 0; | |
423 | wl->stats.excessive_retries = 0; | |
424 | } | |
425 | ||
426 | int wl1271_debugfs_init(struct wl1271 *wl) | |
427 | { | |
428 | int ret; | |
3c2c04a1 | 429 | struct dentry *rootdir; |
f5fc0f86 | 430 | |
3c2c04a1 EP |
431 | rootdir = debugfs_create_dir(KBUILD_MODNAME, |
432 | wl->hw->wiphy->debugfsdir); | |
f5fc0f86 | 433 | |
3c2c04a1 EP |
434 | if (IS_ERR(rootdir)) { |
435 | ret = PTR_ERR(rootdir); | |
f5fc0f86 LC |
436 | goto err; |
437 | } | |
438 | ||
f5fc0f86 LC |
439 | wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), |
440 | GFP_KERNEL); | |
441 | ||
442 | if (!wl->stats.fw_stats) { | |
443 | ret = -ENOMEM; | |
444 | goto err_fw; | |
445 | } | |
446 | ||
447 | wl->stats.fw_stats_update = jiffies; | |
448 | ||
3c2c04a1 | 449 | ret = wl1271_debugfs_add_files(wl, rootdir); |
f5fc0f86 LC |
450 | |
451 | if (ret < 0) | |
452 | goto err_file; | |
453 | ||
454 | return 0; | |
455 | ||
456 | err_file: | |
457 | kfree(wl->stats.fw_stats); | |
458 | wl->stats.fw_stats = NULL; | |
459 | ||
460 | err_fw: | |
3c2c04a1 | 461 | debugfs_remove_recursive(rootdir); |
f5fc0f86 LC |
462 | |
463 | err: | |
464 | return ret; | |
465 | } | |
466 | ||
467 | void wl1271_debugfs_exit(struct wl1271 *wl) | |
468 | { | |
f5fc0f86 LC |
469 | kfree(wl->stats.fw_stats); |
470 | wl->stats.fw_stats = NULL; | |
f5fc0f86 | 471 | } |