Commit | Line | Data |
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5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: debugfs | |
3 | * | |
65da33f5 | 4 | * Copyright (C) 2011-2014, Marvell International Ltd. |
5e6e3a92 BZ |
5 | * |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include <linux/debugfs.h> | |
21 | ||
22 | #include "main.h" | |
23 | #include "11n.h" | |
24 | ||
25 | ||
26 | static struct dentry *mwifiex_dfs_dir; | |
27 | ||
28 | static char *bss_modes[] = { | |
f873ded2 MG |
29 | "UNSPECIFIED", |
30 | "ADHOC", | |
31 | "STATION", | |
32 | "AP", | |
33 | "AP_VLAN", | |
34 | "WDS", | |
35 | "MONITOR", | |
36 | "MESH_POINT", | |
37 | "P2P_CLIENT", | |
38 | "P2P_GO", | |
39 | "P2P_DEVICE", | |
5e6e3a92 BZ |
40 | }; |
41 | ||
5e6e3a92 BZ |
42 | /* |
43 | * Proc info file read handler. | |
44 | * | |
45 | * This function is called when the 'info' file is opened for reading. | |
46 | * It prints the following driver related information - | |
47 | * - Driver name | |
48 | * - Driver version | |
49 | * - Driver extended version | |
50 | * - Interface name | |
51 | * - BSS mode | |
52 | * - Media state (connected or disconnected) | |
53 | * - MAC address | |
54 | * - Total number of Tx bytes | |
55 | * - Total number of Rx bytes | |
56 | * - Total number of Tx packets | |
57 | * - Total number of Rx packets | |
58 | * - Total number of dropped Tx packets | |
59 | * - Total number of dropped Rx packets | |
60 | * - Total number of corrupted Tx packets | |
61 | * - Total number of corrupted Rx packets | |
62 | * - Carrier status (on or off) | |
63 | * - Tx queue status (started or stopped) | |
64 | * | |
65 | * For STA mode drivers, it also prints the following extra - | |
66 | * - ESSID | |
67 | * - BSSID | |
68 | * - Channel | |
69 | * - Region code | |
70 | * - Multicast count | |
71 | * - Multicast addresses | |
72 | */ | |
73 | static ssize_t | |
74 | mwifiex_info_read(struct file *file, char __user *ubuf, | |
75 | size_t count, loff_t *ppos) | |
76 | { | |
77 | struct mwifiex_private *priv = | |
78 | (struct mwifiex_private *) file->private_data; | |
79 | struct net_device *netdev = priv->netdev; | |
80 | struct netdev_hw_addr *ha; | |
47411a06 | 81 | struct netdev_queue *txq; |
5e6e3a92 BZ |
82 | unsigned long page = get_zeroed_page(GFP_KERNEL); |
83 | char *p = (char *) page, fmt[64]; | |
84 | struct mwifiex_bss_info info; | |
270e58e8 | 85 | ssize_t ret; |
5e6e3a92 BZ |
86 | int i = 0; |
87 | ||
88 | if (!p) | |
89 | return -ENOMEM; | |
90 | ||
91 | memset(&info, 0, sizeof(info)); | |
92 | ret = mwifiex_get_bss_info(priv, &info); | |
93 | if (ret) | |
94 | goto free_and_exit; | |
95 | ||
96 | mwifiex_drv_get_driver_version(priv->adapter, fmt, sizeof(fmt) - 1); | |
97 | ||
98 | if (!priv->version_str[0]) | |
99 | mwifiex_get_ver_ext(priv); | |
100 | ||
101 | p += sprintf(p, "driver_name = " "\"mwifiex\"\n"); | |
102 | p += sprintf(p, "driver_version = %s", fmt); | |
103 | p += sprintf(p, "\nverext = %s", priv->version_str); | |
104 | p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name); | |
f873ded2 MG |
105 | |
106 | if (info.bss_mode >= ARRAY_SIZE(bss_modes)) | |
107 | p += sprintf(p, "bss_mode=\"%d\"\n", info.bss_mode); | |
108 | else | |
109 | p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]); | |
110 | ||
5e6e3a92 BZ |
111 | p += sprintf(p, "media_state=\"%s\"\n", |
112 | (!priv->media_connected ? "Disconnected" : "Connected")); | |
037b559a | 113 | p += sprintf(p, "mac_address=\"%pM\"\n", netdev->dev_addr); |
5e6e3a92 BZ |
114 | |
115 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) { | |
116 | p += sprintf(p, "multicast_count=\"%d\"\n", | |
117 | netdev_mc_count(netdev)); | |
118 | p += sprintf(p, "essid=\"%s\"\n", info.ssid.ssid); | |
037b559a | 119 | p += sprintf(p, "bssid=\"%pM\"\n", info.bssid); |
5e6e3a92 | 120 | p += sprintf(p, "channel=\"%d\"\n", (int) info.bss_chan); |
5e218b7a | 121 | p += sprintf(p, "country_code = \"%s\"\n", info.country_code); |
5e6e3a92 BZ |
122 | |
123 | netdev_for_each_mc_addr(ha, netdev) | |
037b559a AS |
124 | p += sprintf(p, "multicast_address[%d]=\"%pM\"\n", |
125 | i++, ha->addr); | |
5e6e3a92 BZ |
126 | } |
127 | ||
128 | p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes); | |
129 | p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes); | |
130 | p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets); | |
131 | p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets); | |
132 | p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped); | |
133 | p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped); | |
134 | p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors); | |
135 | p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors); | |
136 | p += sprintf(p, "carrier %s\n", ((netif_carrier_ok(priv->netdev)) | |
137 | ? "on" : "off")); | |
47411a06 AP |
138 | p += sprintf(p, "tx queue"); |
139 | for (i = 0; i < netdev->num_tx_queues; i++) { | |
140 | txq = netdev_get_tx_queue(netdev, i); | |
141 | p += sprintf(p, " %d:%s", i, netif_tx_queue_stopped(txq) ? | |
142 | "stopped" : "started"); | |
143 | } | |
144 | p += sprintf(p, "\n"); | |
5e6e3a92 BZ |
145 | |
146 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
147 | (unsigned long) p - page); | |
148 | ||
149 | free_and_exit: | |
150 | free_page(page); | |
151 | return ret; | |
152 | } | |
153 | ||
1c09bf68 AK |
154 | /* |
155 | * Proc firmware dump read handler. | |
156 | * | |
157 | * This function is called when the 'fw_dump' file is opened for | |
158 | * reading. | |
159 | * This function dumps firmware memory in different files | |
160 | * (ex. DTCM, ITCM, SQRAM etc.) based on the the segments for | |
161 | * debugging. | |
162 | */ | |
163 | static ssize_t | |
164 | mwifiex_fw_dump_read(struct file *file, char __user *ubuf, | |
165 | size_t count, loff_t *ppos) | |
166 | { | |
167 | struct mwifiex_private *priv = file->private_data; | |
168 | ||
169 | if (!priv->adapter->if_ops.fw_dump) | |
170 | return -EIO; | |
171 | ||
172 | priv->adapter->if_ops.fw_dump(priv->adapter); | |
173 | ||
174 | return 0; | |
175 | } | |
176 | ||
5e6e3a92 BZ |
177 | /* |
178 | * Proc getlog file read handler. | |
179 | * | |
180 | * This function is called when the 'getlog' file is opened for reading | |
181 | * It prints the following log information - | |
182 | * - Number of multicast Tx frames | |
183 | * - Number of failed packets | |
184 | * - Number of Tx retries | |
185 | * - Number of multicast Tx retries | |
186 | * - Number of duplicate frames | |
187 | * - Number of RTS successes | |
188 | * - Number of RTS failures | |
189 | * - Number of ACK failures | |
190 | * - Number of fragmented Rx frames | |
191 | * - Number of multicast Rx frames | |
192 | * - Number of FCS errors | |
193 | * - Number of Tx frames | |
194 | * - WEP ICV error counts | |
d35b6392 XH |
195 | * - Number of received beacons |
196 | * - Number of missed beacons | |
5e6e3a92 BZ |
197 | */ |
198 | static ssize_t | |
199 | mwifiex_getlog_read(struct file *file, char __user *ubuf, | |
200 | size_t count, loff_t *ppos) | |
201 | { | |
202 | struct mwifiex_private *priv = | |
203 | (struct mwifiex_private *) file->private_data; | |
204 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
205 | char *p = (char *) page; | |
270e58e8 | 206 | ssize_t ret; |
5e6e3a92 BZ |
207 | struct mwifiex_ds_get_stats stats; |
208 | ||
209 | if (!p) | |
210 | return -ENOMEM; | |
211 | ||
212 | memset(&stats, 0, sizeof(stats)); | |
213 | ret = mwifiex_get_stats_info(priv, &stats); | |
214 | if (ret) | |
215 | goto free_and_exit; | |
216 | ||
217 | p += sprintf(p, "\n" | |
218 | "mcasttxframe %u\n" | |
219 | "failed %u\n" | |
220 | "retry %u\n" | |
221 | "multiretry %u\n" | |
222 | "framedup %u\n" | |
223 | "rtssuccess %u\n" | |
224 | "rtsfailure %u\n" | |
225 | "ackfailure %u\n" | |
226 | "rxfrag %u\n" | |
227 | "mcastrxframe %u\n" | |
228 | "fcserror %u\n" | |
229 | "txframe %u\n" | |
230 | "wepicverrcnt-1 %u\n" | |
231 | "wepicverrcnt-2 %u\n" | |
232 | "wepicverrcnt-3 %u\n" | |
d35b6392 XH |
233 | "wepicverrcnt-4 %u\n" |
234 | "bcn_rcv_cnt %u\n" | |
235 | "bcn_miss_cnt %u\n", | |
5e6e3a92 BZ |
236 | stats.mcast_tx_frame, |
237 | stats.failed, | |
238 | stats.retry, | |
239 | stats.multi_retry, | |
240 | stats.frame_dup, | |
241 | stats.rts_success, | |
242 | stats.rts_failure, | |
243 | stats.ack_failure, | |
244 | stats.rx_frag, | |
245 | stats.mcast_rx_frame, | |
246 | stats.fcs_error, | |
247 | stats.tx_frame, | |
248 | stats.wep_icv_error[0], | |
249 | stats.wep_icv_error[1], | |
250 | stats.wep_icv_error[2], | |
d35b6392 XH |
251 | stats.wep_icv_error[3], |
252 | stats.bcn_rcv_cnt, | |
253 | stats.bcn_miss_cnt); | |
5e6e3a92 BZ |
254 | |
255 | ||
256 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
257 | (unsigned long) p - page); | |
258 | ||
259 | free_and_exit: | |
260 | free_page(page); | |
261 | return ret; | |
262 | } | |
263 | ||
cbf6e055 XH |
264 | /* Sysfs histogram file read handler. |
265 | * | |
266 | * This function is called when the 'histogram' file is opened for reading | |
267 | * It prints the following histogram information - | |
268 | * - Number of histogram samples | |
269 | * - Receive packet number of each rx_rate | |
270 | * - Receive packet number of each snr | |
271 | * - Receive packet number of each nosie_flr | |
272 | * - Receive packet number of each signal streath | |
273 | */ | |
274 | static ssize_t | |
275 | mwifiex_histogram_read(struct file *file, char __user *ubuf, | |
276 | size_t count, loff_t *ppos) | |
277 | { | |
278 | struct mwifiex_private *priv = | |
279 | (struct mwifiex_private *)file->private_data; | |
280 | ssize_t ret; | |
281 | struct mwifiex_histogram_data *phist_data; | |
282 | int i, value; | |
283 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
284 | char *p = (char *)page; | |
285 | ||
286 | if (!p) | |
287 | return -ENOMEM; | |
288 | ||
289 | if (!priv || !priv->hist_data) | |
290 | return -EFAULT; | |
291 | phist_data = priv->hist_data; | |
292 | ||
293 | p += sprintf(p, "\n" | |
294 | "total samples = %d\n", | |
295 | atomic_read(&phist_data->num_samples)); | |
296 | ||
297 | p += sprintf(p, "rx rates (in Mbps): 0=1M 1=2M"); | |
298 | p += sprintf(p, "2=5.5M 3=11M 4=6M 5=9M 6=12M\n"); | |
299 | p += sprintf(p, "7=18M 8=24M 9=36M 10=48M 11=54M"); | |
300 | p += sprintf(p, "12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n"); | |
301 | ||
302 | if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { | |
303 | p += sprintf(p, "44-53=MCS0-9(VHT:BW20)"); | |
304 | p += sprintf(p, "54-63=MCS0-9(VHT:BW40)"); | |
305 | p += sprintf(p, "64-73=MCS0-9(VHT:BW80)\n\n"); | |
306 | } else { | |
307 | p += sprintf(p, "\n"); | |
308 | } | |
309 | ||
310 | for (i = 0; i < MWIFIEX_MAX_RX_RATES; i++) { | |
311 | value = atomic_read(&phist_data->rx_rate[i]); | |
312 | if (value) | |
313 | p += sprintf(p, "rx_rate[%02d] = %d\n", i, value); | |
314 | } | |
315 | ||
316 | if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { | |
317 | for (i = MWIFIEX_MAX_RX_RATES; i < MWIFIEX_MAX_AC_RX_RATES; | |
318 | i++) { | |
319 | value = atomic_read(&phist_data->rx_rate[i]); | |
320 | if (value) | |
321 | p += sprintf(p, "rx_rate[%02d] = %d\n", | |
322 | i, value); | |
323 | } | |
324 | } | |
325 | ||
326 | for (i = 0; i < MWIFIEX_MAX_SNR; i++) { | |
327 | value = atomic_read(&phist_data->snr[i]); | |
328 | if (value) | |
329 | p += sprintf(p, "snr[%02ddB] = %d\n", i, value); | |
330 | } | |
331 | for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) { | |
332 | value = atomic_read(&phist_data->noise_flr[i]); | |
333 | if (value) | |
334 | p += sprintf(p, "noise_flr[-%02ddBm] = %d\n", | |
335 | (int)(i-128), value); | |
336 | } | |
337 | for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) { | |
338 | value = atomic_read(&phist_data->sig_str[i]); | |
339 | if (value) | |
340 | p += sprintf(p, "sig_strength[-%02ddBm] = %d\n", | |
341 | i, value); | |
342 | } | |
343 | ||
344 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, | |
345 | (unsigned long)p - page); | |
346 | ||
347 | return ret; | |
348 | } | |
349 | ||
350 | static ssize_t | |
351 | mwifiex_histogram_write(struct file *file, const char __user *ubuf, | |
352 | size_t count, loff_t *ppos) | |
353 | { | |
354 | struct mwifiex_private *priv = (void *)file->private_data; | |
355 | ||
356 | if (priv && priv->hist_data) | |
357 | mwifiex_hist_data_reset(priv); | |
358 | return 0; | |
359 | } | |
360 | ||
5e6e3a92 BZ |
361 | static struct mwifiex_debug_info info; |
362 | ||
363 | /* | |
364 | * Proc debug file read handler. | |
365 | * | |
366 | * This function is called when the 'debug' file is opened for reading | |
367 | * It prints the following log information - | |
368 | * - Interrupt count | |
369 | * - WMM AC VO packets count | |
370 | * - WMM AC VI packets count | |
371 | * - WMM AC BE packets count | |
372 | * - WMM AC BK packets count | |
373 | * - Maximum Tx buffer size | |
374 | * - Tx buffer size | |
375 | * - Current Tx buffer size | |
376 | * - Power Save mode | |
377 | * - Power Save state | |
378 | * - Deep Sleep status | |
379 | * - Device wakeup required status | |
380 | * - Number of wakeup tries | |
381 | * - Host Sleep configured status | |
382 | * - Host Sleep activated status | |
383 | * - Number of Tx timeouts | |
384 | * - Number of command timeouts | |
385 | * - Last timed out command ID | |
386 | * - Last timed out command action | |
387 | * - Last command ID | |
388 | * - Last command action | |
389 | * - Last command index | |
390 | * - Last command response ID | |
391 | * - Last command response index | |
392 | * - Last event | |
393 | * - Last event index | |
394 | * - Number of host to card command failures | |
395 | * - Number of sleep confirm command failures | |
396 | * - Number of host to card data failure | |
397 | * - Number of deauthentication events | |
398 | * - Number of disassociation events | |
399 | * - Number of link lost events | |
400 | * - Number of deauthentication commands | |
401 | * - Number of association success commands | |
402 | * - Number of association failure commands | |
403 | * - Number of commands sent | |
404 | * - Number of data packets sent | |
405 | * - Number of command responses received | |
406 | * - Number of events received | |
407 | * - Tx BA stream table (TID, RA) | |
408 | * - Rx reorder table (TID, TA, Start window, Window size, Buffer) | |
409 | */ | |
410 | static ssize_t | |
411 | mwifiex_debug_read(struct file *file, char __user *ubuf, | |
412 | size_t count, loff_t *ppos) | |
413 | { | |
414 | struct mwifiex_private *priv = | |
415 | (struct mwifiex_private *) file->private_data; | |
5e6e3a92 BZ |
416 | unsigned long page = get_zeroed_page(GFP_KERNEL); |
417 | char *p = (char *) page; | |
270e58e8 | 418 | ssize_t ret; |
5e6e3a92 BZ |
419 | |
420 | if (!p) | |
421 | return -ENOMEM; | |
422 | ||
423 | ret = mwifiex_get_debug_info(priv, &info); | |
424 | if (ret) | |
425 | goto free_and_exit; | |
426 | ||
bb5097fe | 427 | p += mwifiex_debug_info_to_buffer(priv, p, &info); |
5e6e3a92 BZ |
428 | |
429 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
430 | (unsigned long) p - page); | |
431 | ||
432 | free_and_exit: | |
433 | free_page(page); | |
434 | return ret; | |
435 | } | |
436 | ||
437 | static u32 saved_reg_type, saved_reg_offset, saved_reg_value; | |
438 | ||
439 | /* | |
440 | * Proc regrdwr file write handler. | |
441 | * | |
442 | * This function is called when the 'regrdwr' file is opened for writing | |
443 | * | |
444 | * This function can be used to write to a register. | |
445 | */ | |
446 | static ssize_t | |
447 | mwifiex_regrdwr_write(struct file *file, | |
448 | const char __user *ubuf, size_t count, loff_t *ppos) | |
449 | { | |
450 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
451 | char *buf = (char *) addr; | |
c8e49556 | 452 | size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); |
270e58e8 | 453 | int ret; |
5e6e3a92 BZ |
454 | u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX; |
455 | ||
456 | if (!buf) | |
457 | return -ENOMEM; | |
458 | ||
459 | ||
460 | if (copy_from_user(buf, ubuf, buf_size)) { | |
461 | ret = -EFAULT; | |
462 | goto done; | |
463 | } | |
464 | ||
465 | sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value); | |
466 | ||
467 | if (reg_type == 0 || reg_offset == 0) { | |
468 | ret = -EINVAL; | |
469 | goto done; | |
470 | } else { | |
471 | saved_reg_type = reg_type; | |
472 | saved_reg_offset = reg_offset; | |
473 | saved_reg_value = reg_value; | |
474 | ret = count; | |
475 | } | |
476 | done: | |
477 | free_page(addr); | |
478 | return ret; | |
479 | } | |
480 | ||
481 | /* | |
482 | * Proc regrdwr file read handler. | |
483 | * | |
484 | * This function is called when the 'regrdwr' file is opened for reading | |
485 | * | |
486 | * This function can be used to read from a register. | |
487 | */ | |
488 | static ssize_t | |
489 | mwifiex_regrdwr_read(struct file *file, char __user *ubuf, | |
490 | size_t count, loff_t *ppos) | |
491 | { | |
492 | struct mwifiex_private *priv = | |
493 | (struct mwifiex_private *) file->private_data; | |
494 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
495 | char *buf = (char *) addr; | |
496 | int pos = 0, ret = 0; | |
497 | u32 reg_value; | |
498 | ||
499 | if (!buf) | |
500 | return -ENOMEM; | |
501 | ||
502 | if (!saved_reg_type) { | |
503 | /* No command has been given */ | |
504 | pos += snprintf(buf, PAGE_SIZE, "0"); | |
505 | goto done; | |
506 | } | |
507 | /* Set command has been given */ | |
508 | if (saved_reg_value != UINT_MAX) { | |
509 | ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset, | |
510 | saved_reg_value); | |
511 | ||
512 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", | |
513 | saved_reg_type, saved_reg_offset, | |
514 | saved_reg_value); | |
515 | ||
516 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
517 | ||
518 | goto done; | |
519 | } | |
520 | /* Get command has been given */ | |
521 | ret = mwifiex_reg_read(priv, saved_reg_type, | |
522 | saved_reg_offset, ®_value); | |
523 | if (ret) { | |
524 | ret = -EINVAL; | |
525 | goto done; | |
526 | } | |
527 | ||
528 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type, | |
529 | saved_reg_offset, reg_value); | |
530 | ||
531 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
532 | ||
533 | done: | |
534 | free_page(addr); | |
535 | return ret; | |
536 | } | |
537 | ||
c687a007 ZL |
538 | /* Proc debug_mask file read handler. |
539 | * This function is called when the 'debug_mask' file is opened for reading | |
540 | * This function can be used read driver debugging mask value. | |
541 | */ | |
542 | static ssize_t | |
543 | mwifiex_debug_mask_read(struct file *file, char __user *ubuf, | |
544 | size_t count, loff_t *ppos) | |
545 | { | |
546 | struct mwifiex_private *priv = | |
547 | (struct mwifiex_private *)file->private_data; | |
548 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
549 | char *buf = (char *)page; | |
550 | size_t ret = 0; | |
551 | int pos = 0; | |
552 | ||
553 | if (!buf) | |
554 | return -ENOMEM; | |
555 | ||
556 | pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n", | |
557 | priv->adapter->debug_mask); | |
558 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
559 | ||
560 | free_page(page); | |
561 | return ret; | |
562 | } | |
563 | ||
564 | /* Proc debug_mask file read handler. | |
565 | * This function is called when the 'debug_mask' file is opened for reading | |
566 | * This function can be used read driver debugging mask value. | |
567 | */ | |
568 | static ssize_t | |
569 | mwifiex_debug_mask_write(struct file *file, const char __user *ubuf, | |
570 | size_t count, loff_t *ppos) | |
571 | { | |
572 | int ret; | |
573 | unsigned long debug_mask; | |
574 | struct mwifiex_private *priv = (void *)file->private_data; | |
575 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
576 | char *buf = (void *)addr; | |
577 | size_t buf_size = min(count, (size_t)(PAGE_SIZE - 1)); | |
578 | ||
579 | if (!buf) | |
580 | return -ENOMEM; | |
581 | ||
582 | if (copy_from_user(buf, ubuf, buf_size)) { | |
583 | ret = -EFAULT; | |
584 | goto done; | |
585 | } | |
586 | ||
587 | if (kstrtoul(buf, 0, &debug_mask)) { | |
588 | ret = -EINVAL; | |
589 | goto done; | |
590 | } | |
591 | ||
592 | priv->adapter->debug_mask = debug_mask; | |
593 | ret = count; | |
594 | done: | |
595 | free_page(addr); | |
596 | return ret; | |
597 | } | |
598 | ||
c2c6c85f CL |
599 | /* Proc memrw file write handler. |
600 | * This function is called when the 'memrw' file is opened for writing | |
601 | * This function can be used to write to a memory location. | |
602 | */ | |
603 | static ssize_t | |
604 | mwifiex_memrw_write(struct file *file, const char __user *ubuf, size_t count, | |
605 | loff_t *ppos) | |
606 | { | |
607 | int ret; | |
608 | char cmd; | |
609 | struct mwifiex_ds_mem_rw mem_rw; | |
610 | u16 cmd_action; | |
611 | struct mwifiex_private *priv = (void *)file->private_data; | |
612 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
613 | char *buf = (void *)addr; | |
614 | size_t buf_size = min(count, (size_t)(PAGE_SIZE - 1)); | |
615 | ||
616 | if (!buf) | |
617 | return -ENOMEM; | |
618 | ||
619 | if (copy_from_user(buf, ubuf, buf_size)) { | |
620 | ret = -EFAULT; | |
621 | goto done; | |
622 | } | |
623 | ||
624 | ret = sscanf(buf, "%c %x %x", &cmd, &mem_rw.addr, &mem_rw.value); | |
625 | if (ret != 3) { | |
626 | ret = -EINVAL; | |
627 | goto done; | |
628 | } | |
629 | ||
630 | if ((cmd == 'r') || (cmd == 'R')) { | |
631 | cmd_action = HostCmd_ACT_GEN_GET; | |
632 | mem_rw.value = 0; | |
633 | } else if ((cmd == 'w') || (cmd == 'W')) { | |
634 | cmd_action = HostCmd_ACT_GEN_SET; | |
635 | } else { | |
636 | ret = -EINVAL; | |
637 | goto done; | |
638 | } | |
639 | ||
640 | memcpy(&priv->mem_rw, &mem_rw, sizeof(mem_rw)); | |
641 | if (mwifiex_send_cmd(priv, HostCmd_CMD_MEM_ACCESS, cmd_action, 0, | |
642 | &mem_rw, true)) | |
643 | ret = -1; | |
644 | else | |
645 | ret = count; | |
646 | ||
647 | done: | |
648 | free_page(addr); | |
649 | return ret; | |
650 | } | |
651 | ||
652 | /* Proc memrw file read handler. | |
653 | * This function is called when the 'memrw' file is opened for reading | |
654 | * This function can be used to read from a memory location. | |
655 | */ | |
656 | static ssize_t | |
657 | mwifiex_memrw_read(struct file *file, char __user *ubuf, | |
658 | size_t count, loff_t *ppos) | |
659 | { | |
660 | struct mwifiex_private *priv = (void *)file->private_data; | |
661 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
662 | char *buf = (char *)addr; | |
663 | int ret, pos = 0; | |
664 | ||
665 | if (!buf) | |
666 | return -ENOMEM; | |
667 | ||
668 | pos += snprintf(buf, PAGE_SIZE, "0x%x 0x%x\n", priv->mem_rw.addr, | |
669 | priv->mem_rw.value); | |
670 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
671 | ||
672 | free_page(addr); | |
673 | return ret; | |
674 | } | |
675 | ||
5e6e3a92 BZ |
676 | static u32 saved_offset = -1, saved_bytes = -1; |
677 | ||
678 | /* | |
679 | * Proc rdeeprom file write handler. | |
680 | * | |
681 | * This function is called when the 'rdeeprom' file is opened for writing | |
682 | * | |
683 | * This function can be used to write to a RDEEPROM location. | |
684 | */ | |
685 | static ssize_t | |
686 | mwifiex_rdeeprom_write(struct file *file, | |
687 | const char __user *ubuf, size_t count, loff_t *ppos) | |
688 | { | |
689 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
690 | char *buf = (char *) addr; | |
c8e49556 | 691 | size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); |
5e6e3a92 BZ |
692 | int ret = 0; |
693 | int offset = -1, bytes = -1; | |
694 | ||
695 | if (!buf) | |
696 | return -ENOMEM; | |
697 | ||
698 | ||
699 | if (copy_from_user(buf, ubuf, buf_size)) { | |
700 | ret = -EFAULT; | |
701 | goto done; | |
702 | } | |
703 | ||
704 | sscanf(buf, "%d %d", &offset, &bytes); | |
705 | ||
706 | if (offset == -1 || bytes == -1) { | |
707 | ret = -EINVAL; | |
708 | goto done; | |
709 | } else { | |
710 | saved_offset = offset; | |
711 | saved_bytes = bytes; | |
712 | ret = count; | |
713 | } | |
714 | done: | |
715 | free_page(addr); | |
716 | return ret; | |
717 | } | |
718 | ||
719 | /* | |
720 | * Proc rdeeprom read write handler. | |
721 | * | |
722 | * This function is called when the 'rdeeprom' file is opened for reading | |
723 | * | |
724 | * This function can be used to read from a RDEEPROM location. | |
725 | */ | |
726 | static ssize_t | |
727 | mwifiex_rdeeprom_read(struct file *file, char __user *ubuf, | |
728 | size_t count, loff_t *ppos) | |
729 | { | |
730 | struct mwifiex_private *priv = | |
731 | (struct mwifiex_private *) file->private_data; | |
732 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
733 | char *buf = (char *) addr; | |
270e58e8 | 734 | int pos = 0, ret = 0, i; |
5e6e3a92 BZ |
735 | u8 value[MAX_EEPROM_DATA]; |
736 | ||
737 | if (!buf) | |
738 | return -ENOMEM; | |
739 | ||
740 | if (saved_offset == -1) { | |
741 | /* No command has been given */ | |
742 | pos += snprintf(buf, PAGE_SIZE, "0"); | |
743 | goto done; | |
744 | } | |
745 | ||
746 | /* Get command has been given */ | |
747 | ret = mwifiex_eeprom_read(priv, (u16) saved_offset, | |
748 | (u16) saved_bytes, value); | |
749 | if (ret) { | |
750 | ret = -EINVAL; | |
751 | goto done; | |
752 | } | |
753 | ||
754 | pos += snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes); | |
755 | ||
756 | for (i = 0; i < saved_bytes; i++) | |
757 | pos += snprintf(buf + strlen(buf), PAGE_SIZE, "%d ", value[i]); | |
758 | ||
759 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
760 | ||
761 | done: | |
762 | free_page(addr); | |
763 | return ret; | |
764 | } | |
765 | ||
937a5045 XH |
766 | /* Proc hscfg file write handler |
767 | * This function can be used to configure the host sleep parameters. | |
768 | */ | |
769 | static ssize_t | |
770 | mwifiex_hscfg_write(struct file *file, const char __user *ubuf, | |
771 | size_t count, loff_t *ppos) | |
772 | { | |
773 | struct mwifiex_private *priv = (void *)file->private_data; | |
774 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
775 | char *buf = (char *)addr; | |
776 | size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); | |
777 | int ret, arg_num; | |
778 | struct mwifiex_ds_hs_cfg hscfg; | |
779 | int conditions = HS_CFG_COND_DEF; | |
780 | u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF; | |
781 | ||
782 | if (!buf) | |
783 | return -ENOMEM; | |
784 | ||
785 | if (copy_from_user(buf, ubuf, buf_size)) { | |
786 | ret = -EFAULT; | |
787 | goto done; | |
788 | } | |
789 | ||
790 | arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap); | |
791 | ||
792 | memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg)); | |
793 | ||
794 | if (arg_num > 3) { | |
795 | dev_err(priv->adapter->dev, "Too many arguments\n"); | |
796 | ret = -EINVAL; | |
797 | goto done; | |
798 | } | |
799 | ||
800 | if (arg_num >= 1 && arg_num < 3) | |
801 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
802 | MWIFIEX_SYNC_CMD, &hscfg); | |
803 | ||
804 | if (arg_num) { | |
805 | if (conditions == HS_CFG_CANCEL) { | |
806 | mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD); | |
807 | ret = count; | |
808 | goto done; | |
809 | } | |
810 | hscfg.conditions = conditions; | |
811 | } | |
812 | if (arg_num >= 2) | |
813 | hscfg.gpio = gpio; | |
814 | if (arg_num == 3) | |
815 | hscfg.gap = gap; | |
816 | ||
817 | hscfg.is_invoke_hostcmd = false; | |
818 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, | |
819 | MWIFIEX_SYNC_CMD, &hscfg); | |
820 | ||
821 | mwifiex_enable_hs(priv->adapter); | |
822 | priv->adapter->hs_enabling = false; | |
823 | ret = count; | |
824 | done: | |
825 | free_page(addr); | |
826 | return ret; | |
827 | } | |
828 | ||
829 | /* Proc hscfg file read handler | |
830 | * This function can be used to read host sleep configuration | |
831 | * parameters from driver. | |
832 | */ | |
833 | static ssize_t | |
834 | mwifiex_hscfg_read(struct file *file, char __user *ubuf, | |
835 | size_t count, loff_t *ppos) | |
836 | { | |
837 | struct mwifiex_private *priv = (void *)file->private_data; | |
838 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
839 | char *buf = (char *)addr; | |
840 | int pos, ret; | |
841 | struct mwifiex_ds_hs_cfg hscfg; | |
842 | ||
843 | if (!buf) | |
844 | return -ENOMEM; | |
845 | ||
846 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
847 | MWIFIEX_SYNC_CMD, &hscfg); | |
848 | ||
849 | pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", hscfg.conditions, | |
850 | hscfg.gpio, hscfg.gap); | |
851 | ||
852 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
853 | ||
854 | free_page(addr); | |
855 | return ret; | |
856 | } | |
5e6e3a92 BZ |
857 | |
858 | #define MWIFIEX_DFS_ADD_FILE(name) do { \ | |
859 | if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir, \ | |
860 | priv, &mwifiex_dfs_##name##_fops)) \ | |
861 | return; \ | |
862 | } while (0); | |
863 | ||
864 | #define MWIFIEX_DFS_FILE_OPS(name) \ | |
865 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
866 | .read = mwifiex_##name##_read, \ | |
867 | .write = mwifiex_##name##_write, \ | |
234e3405 | 868 | .open = simple_open, \ |
5e6e3a92 BZ |
869 | }; |
870 | ||
871 | #define MWIFIEX_DFS_FILE_READ_OPS(name) \ | |
872 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
873 | .read = mwifiex_##name##_read, \ | |
234e3405 | 874 | .open = simple_open, \ |
5e6e3a92 BZ |
875 | }; |
876 | ||
877 | #define MWIFIEX_DFS_FILE_WRITE_OPS(name) \ | |
878 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
879 | .write = mwifiex_##name##_write, \ | |
234e3405 | 880 | .open = simple_open, \ |
5e6e3a92 BZ |
881 | }; |
882 | ||
883 | ||
884 | MWIFIEX_DFS_FILE_READ_OPS(info); | |
885 | MWIFIEX_DFS_FILE_READ_OPS(debug); | |
886 | MWIFIEX_DFS_FILE_READ_OPS(getlog); | |
1c09bf68 | 887 | MWIFIEX_DFS_FILE_READ_OPS(fw_dump); |
5e6e3a92 BZ |
888 | MWIFIEX_DFS_FILE_OPS(regrdwr); |
889 | MWIFIEX_DFS_FILE_OPS(rdeeprom); | |
c2c6c85f | 890 | MWIFIEX_DFS_FILE_OPS(memrw); |
937a5045 | 891 | MWIFIEX_DFS_FILE_OPS(hscfg); |
cbf6e055 | 892 | MWIFIEX_DFS_FILE_OPS(histogram); |
c687a007 | 893 | MWIFIEX_DFS_FILE_OPS(debug_mask); |
5e6e3a92 BZ |
894 | |
895 | /* | |
896 | * This function creates the debug FS directory structure and the files. | |
897 | */ | |
898 | void | |
899 | mwifiex_dev_debugfs_init(struct mwifiex_private *priv) | |
900 | { | |
901 | if (!mwifiex_dfs_dir || !priv) | |
902 | return; | |
903 | ||
904 | priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name, | |
905 | mwifiex_dfs_dir); | |
906 | ||
907 | if (!priv->dfs_dev_dir) | |
908 | return; | |
909 | ||
910 | MWIFIEX_DFS_ADD_FILE(info); | |
911 | MWIFIEX_DFS_ADD_FILE(debug); | |
912 | MWIFIEX_DFS_ADD_FILE(getlog); | |
913 | MWIFIEX_DFS_ADD_FILE(regrdwr); | |
914 | MWIFIEX_DFS_ADD_FILE(rdeeprom); | |
1c09bf68 | 915 | MWIFIEX_DFS_ADD_FILE(fw_dump); |
c2c6c85f | 916 | MWIFIEX_DFS_ADD_FILE(memrw); |
937a5045 | 917 | MWIFIEX_DFS_ADD_FILE(hscfg); |
cbf6e055 | 918 | MWIFIEX_DFS_ADD_FILE(histogram); |
c687a007 | 919 | MWIFIEX_DFS_ADD_FILE(debug_mask); |
5e6e3a92 BZ |
920 | } |
921 | ||
922 | /* | |
923 | * This function removes the debug FS directory structure and the files. | |
924 | */ | |
925 | void | |
926 | mwifiex_dev_debugfs_remove(struct mwifiex_private *priv) | |
927 | { | |
928 | if (!priv) | |
929 | return; | |
930 | ||
931 | debugfs_remove_recursive(priv->dfs_dev_dir); | |
5e6e3a92 BZ |
932 | } |
933 | ||
934 | /* | |
935 | * This function creates the top level proc directory. | |
936 | */ | |
937 | void | |
938 | mwifiex_debugfs_init(void) | |
939 | { | |
940 | if (!mwifiex_dfs_dir) | |
941 | mwifiex_dfs_dir = debugfs_create_dir("mwifiex", NULL); | |
942 | } | |
943 | ||
944 | /* | |
945 | * This function removes the top level proc directory. | |
946 | */ | |
947 | void | |
948 | mwifiex_debugfs_remove(void) | |
949 | { | |
950 | if (mwifiex_dfs_dir) | |
951 | debugfs_remove(mwifiex_dfs_dir); | |
952 | } |