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 | ||
17934b6a | 98 | mwifiex_get_ver_ext(priv, 0); |
5e6e3a92 BZ |
99 | |
100 | p += sprintf(p, "driver_name = " "\"mwifiex\"\n"); | |
101 | p += sprintf(p, "driver_version = %s", fmt); | |
102 | p += sprintf(p, "\nverext = %s", priv->version_str); | |
103 | p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name); | |
f873ded2 MG |
104 | |
105 | if (info.bss_mode >= ARRAY_SIZE(bss_modes)) | |
106 | p += sprintf(p, "bss_mode=\"%d\"\n", info.bss_mode); | |
107 | else | |
108 | p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]); | |
109 | ||
5e6e3a92 BZ |
110 | p += sprintf(p, "media_state=\"%s\"\n", |
111 | (!priv->media_connected ? "Disconnected" : "Connected")); | |
037b559a | 112 | p += sprintf(p, "mac_address=\"%pM\"\n", netdev->dev_addr); |
5e6e3a92 BZ |
113 | |
114 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) { | |
115 | p += sprintf(p, "multicast_count=\"%d\"\n", | |
116 | netdev_mc_count(netdev)); | |
117 | p += sprintf(p, "essid=\"%s\"\n", info.ssid.ssid); | |
037b559a | 118 | p += sprintf(p, "bssid=\"%pM\"\n", info.bssid); |
5e6e3a92 | 119 | p += sprintf(p, "channel=\"%d\"\n", (int) info.bss_chan); |
5e218b7a | 120 | p += sprintf(p, "country_code = \"%s\"\n", info.country_code); |
5e6e3a92 BZ |
121 | |
122 | netdev_for_each_mc_addr(ha, netdev) | |
037b559a AS |
123 | p += sprintf(p, "multicast_address[%d]=\"%pM\"\n", |
124 | i++, ha->addr); | |
5e6e3a92 BZ |
125 | } |
126 | ||
127 | p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes); | |
128 | p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes); | |
129 | p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets); | |
130 | p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets); | |
131 | p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped); | |
132 | p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped); | |
133 | p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors); | |
134 | p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors); | |
135 | p += sprintf(p, "carrier %s\n", ((netif_carrier_ok(priv->netdev)) | |
136 | ? "on" : "off")); | |
47411a06 AP |
137 | p += sprintf(p, "tx queue"); |
138 | for (i = 0; i < netdev->num_tx_queues; i++) { | |
139 | txq = netdev_get_tx_queue(netdev, i); | |
140 | p += sprintf(p, " %d:%s", i, netif_tx_queue_stopped(txq) ? | |
141 | "stopped" : "started"); | |
142 | } | |
143 | p += sprintf(p, "\n"); | |
5e6e3a92 BZ |
144 | |
145 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
146 | (unsigned long) p - page); | |
147 | ||
148 | free_and_exit: | |
149 | free_page(page); | |
150 | return ret; | |
151 | } | |
152 | ||
1c09bf68 | 153 | /* |
fc697159 | 154 | * Proc device dump read handler. |
1c09bf68 | 155 | * |
fc697159 | 156 | * This function is called when the 'device_dump' file is opened for |
1c09bf68 | 157 | * reading. |
fc697159 AK |
158 | * This function dumps driver information and firmware memory segments |
159 | * (ex. DTCM, ITCM, SQRAM etc.) for | |
1c09bf68 AK |
160 | * debugging. |
161 | */ | |
162 | static ssize_t | |
fc697159 AK |
163 | mwifiex_device_dump_read(struct file *file, char __user *ubuf, |
164 | size_t count, loff_t *ppos) | |
1c09bf68 AK |
165 | { |
166 | struct mwifiex_private *priv = file->private_data; | |
167 | ||
fc697159 | 168 | if (!priv->adapter->if_ops.device_dump) |
1c09bf68 AK |
169 | return -EIO; |
170 | ||
fc697159 | 171 | priv->adapter->if_ops.device_dump(priv->adapter); |
1c09bf68 AK |
172 | |
173 | return 0; | |
174 | } | |
175 | ||
5e6e3a92 BZ |
176 | /* |
177 | * Proc getlog file read handler. | |
178 | * | |
179 | * This function is called when the 'getlog' file is opened for reading | |
180 | * It prints the following log information - | |
181 | * - Number of multicast Tx frames | |
182 | * - Number of failed packets | |
183 | * - Number of Tx retries | |
184 | * - Number of multicast Tx retries | |
185 | * - Number of duplicate frames | |
186 | * - Number of RTS successes | |
187 | * - Number of RTS failures | |
188 | * - Number of ACK failures | |
189 | * - Number of fragmented Rx frames | |
190 | * - Number of multicast Rx frames | |
191 | * - Number of FCS errors | |
192 | * - Number of Tx frames | |
193 | * - WEP ICV error counts | |
d35b6392 XH |
194 | * - Number of received beacons |
195 | * - Number of missed beacons | |
5e6e3a92 BZ |
196 | */ |
197 | static ssize_t | |
198 | mwifiex_getlog_read(struct file *file, char __user *ubuf, | |
199 | size_t count, loff_t *ppos) | |
200 | { | |
201 | struct mwifiex_private *priv = | |
202 | (struct mwifiex_private *) file->private_data; | |
203 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
204 | char *p = (char *) page; | |
270e58e8 | 205 | ssize_t ret; |
5e6e3a92 BZ |
206 | struct mwifiex_ds_get_stats stats; |
207 | ||
208 | if (!p) | |
209 | return -ENOMEM; | |
210 | ||
211 | memset(&stats, 0, sizeof(stats)); | |
212 | ret = mwifiex_get_stats_info(priv, &stats); | |
213 | if (ret) | |
214 | goto free_and_exit; | |
215 | ||
216 | p += sprintf(p, "\n" | |
217 | "mcasttxframe %u\n" | |
218 | "failed %u\n" | |
219 | "retry %u\n" | |
220 | "multiretry %u\n" | |
221 | "framedup %u\n" | |
222 | "rtssuccess %u\n" | |
223 | "rtsfailure %u\n" | |
224 | "ackfailure %u\n" | |
225 | "rxfrag %u\n" | |
226 | "mcastrxframe %u\n" | |
227 | "fcserror %u\n" | |
228 | "txframe %u\n" | |
229 | "wepicverrcnt-1 %u\n" | |
230 | "wepicverrcnt-2 %u\n" | |
231 | "wepicverrcnt-3 %u\n" | |
d35b6392 XH |
232 | "wepicverrcnt-4 %u\n" |
233 | "bcn_rcv_cnt %u\n" | |
234 | "bcn_miss_cnt %u\n", | |
5e6e3a92 BZ |
235 | stats.mcast_tx_frame, |
236 | stats.failed, | |
237 | stats.retry, | |
238 | stats.multi_retry, | |
239 | stats.frame_dup, | |
240 | stats.rts_success, | |
241 | stats.rts_failure, | |
242 | stats.ack_failure, | |
243 | stats.rx_frag, | |
244 | stats.mcast_rx_frame, | |
245 | stats.fcs_error, | |
246 | stats.tx_frame, | |
247 | stats.wep_icv_error[0], | |
248 | stats.wep_icv_error[1], | |
249 | stats.wep_icv_error[2], | |
d35b6392 XH |
250 | stats.wep_icv_error[3], |
251 | stats.bcn_rcv_cnt, | |
252 | stats.bcn_miss_cnt); | |
5e6e3a92 BZ |
253 | |
254 | ||
255 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
256 | (unsigned long) p - page); | |
257 | ||
258 | free_and_exit: | |
259 | free_page(page); | |
260 | return ret; | |
261 | } | |
262 | ||
cbf6e055 XH |
263 | /* Sysfs histogram file read handler. |
264 | * | |
265 | * This function is called when the 'histogram' file is opened for reading | |
266 | * It prints the following histogram information - | |
267 | * - Number of histogram samples | |
268 | * - Receive packet number of each rx_rate | |
269 | * - Receive packet number of each snr | |
270 | * - Receive packet number of each nosie_flr | |
271 | * - Receive packet number of each signal streath | |
272 | */ | |
273 | static ssize_t | |
274 | mwifiex_histogram_read(struct file *file, char __user *ubuf, | |
275 | size_t count, loff_t *ppos) | |
276 | { | |
277 | struct mwifiex_private *priv = | |
278 | (struct mwifiex_private *)file->private_data; | |
279 | ssize_t ret; | |
280 | struct mwifiex_histogram_data *phist_data; | |
281 | int i, value; | |
282 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
283 | char *p = (char *)page; | |
284 | ||
285 | if (!p) | |
286 | return -ENOMEM; | |
287 | ||
288 | if (!priv || !priv->hist_data) | |
289 | return -EFAULT; | |
290 | phist_data = priv->hist_data; | |
291 | ||
292 | p += sprintf(p, "\n" | |
293 | "total samples = %d\n", | |
294 | atomic_read(&phist_data->num_samples)); | |
295 | ||
296 | p += sprintf(p, "rx rates (in Mbps): 0=1M 1=2M"); | |
297 | p += sprintf(p, "2=5.5M 3=11M 4=6M 5=9M 6=12M\n"); | |
298 | p += sprintf(p, "7=18M 8=24M 9=36M 10=48M 11=54M"); | |
299 | p += sprintf(p, "12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n"); | |
300 | ||
301 | if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { | |
302 | p += sprintf(p, "44-53=MCS0-9(VHT:BW20)"); | |
303 | p += sprintf(p, "54-63=MCS0-9(VHT:BW40)"); | |
304 | p += sprintf(p, "64-73=MCS0-9(VHT:BW80)\n\n"); | |
305 | } else { | |
306 | p += sprintf(p, "\n"); | |
307 | } | |
308 | ||
309 | for (i = 0; i < MWIFIEX_MAX_RX_RATES; i++) { | |
310 | value = atomic_read(&phist_data->rx_rate[i]); | |
311 | if (value) | |
312 | p += sprintf(p, "rx_rate[%02d] = %d\n", i, value); | |
313 | } | |
314 | ||
315 | if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { | |
316 | for (i = MWIFIEX_MAX_RX_RATES; i < MWIFIEX_MAX_AC_RX_RATES; | |
317 | i++) { | |
318 | value = atomic_read(&phist_data->rx_rate[i]); | |
319 | if (value) | |
320 | p += sprintf(p, "rx_rate[%02d] = %d\n", | |
321 | i, value); | |
322 | } | |
323 | } | |
324 | ||
325 | for (i = 0; i < MWIFIEX_MAX_SNR; i++) { | |
326 | value = atomic_read(&phist_data->snr[i]); | |
327 | if (value) | |
328 | p += sprintf(p, "snr[%02ddB] = %d\n", i, value); | |
329 | } | |
330 | for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) { | |
331 | value = atomic_read(&phist_data->noise_flr[i]); | |
332 | if (value) | |
333 | p += sprintf(p, "noise_flr[-%02ddBm] = %d\n", | |
334 | (int)(i-128), value); | |
335 | } | |
336 | for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) { | |
337 | value = atomic_read(&phist_data->sig_str[i]); | |
338 | if (value) | |
339 | p += sprintf(p, "sig_strength[-%02ddBm] = %d\n", | |
340 | i, value); | |
341 | } | |
342 | ||
343 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, | |
344 | (unsigned long)p - page); | |
345 | ||
346 | return ret; | |
347 | } | |
348 | ||
349 | static ssize_t | |
350 | mwifiex_histogram_write(struct file *file, const char __user *ubuf, | |
351 | size_t count, loff_t *ppos) | |
352 | { | |
353 | struct mwifiex_private *priv = (void *)file->private_data; | |
354 | ||
355 | if (priv && priv->hist_data) | |
356 | mwifiex_hist_data_reset(priv); | |
357 | return 0; | |
358 | } | |
359 | ||
5e6e3a92 BZ |
360 | static struct mwifiex_debug_info info; |
361 | ||
362 | /* | |
363 | * Proc debug file read handler. | |
364 | * | |
365 | * This function is called when the 'debug' file is opened for reading | |
366 | * It prints the following log information - | |
367 | * - Interrupt count | |
368 | * - WMM AC VO packets count | |
369 | * - WMM AC VI packets count | |
370 | * - WMM AC BE packets count | |
371 | * - WMM AC BK packets count | |
372 | * - Maximum Tx buffer size | |
373 | * - Tx buffer size | |
374 | * - Current Tx buffer size | |
375 | * - Power Save mode | |
376 | * - Power Save state | |
377 | * - Deep Sleep status | |
378 | * - Device wakeup required status | |
379 | * - Number of wakeup tries | |
380 | * - Host Sleep configured status | |
381 | * - Host Sleep activated status | |
382 | * - Number of Tx timeouts | |
383 | * - Number of command timeouts | |
384 | * - Last timed out command ID | |
385 | * - Last timed out command action | |
386 | * - Last command ID | |
387 | * - Last command action | |
388 | * - Last command index | |
389 | * - Last command response ID | |
390 | * - Last command response index | |
391 | * - Last event | |
392 | * - Last event index | |
393 | * - Number of host to card command failures | |
394 | * - Number of sleep confirm command failures | |
395 | * - Number of host to card data failure | |
396 | * - Number of deauthentication events | |
397 | * - Number of disassociation events | |
398 | * - Number of link lost events | |
399 | * - Number of deauthentication commands | |
400 | * - Number of association success commands | |
401 | * - Number of association failure commands | |
402 | * - Number of commands sent | |
403 | * - Number of data packets sent | |
404 | * - Number of command responses received | |
405 | * - Number of events received | |
406 | * - Tx BA stream table (TID, RA) | |
407 | * - Rx reorder table (TID, TA, Start window, Window size, Buffer) | |
408 | */ | |
409 | static ssize_t | |
410 | mwifiex_debug_read(struct file *file, char __user *ubuf, | |
411 | size_t count, loff_t *ppos) | |
412 | { | |
413 | struct mwifiex_private *priv = | |
414 | (struct mwifiex_private *) file->private_data; | |
5e6e3a92 BZ |
415 | unsigned long page = get_zeroed_page(GFP_KERNEL); |
416 | char *p = (char *) page; | |
270e58e8 | 417 | ssize_t ret; |
5e6e3a92 BZ |
418 | |
419 | if (!p) | |
420 | return -ENOMEM; | |
421 | ||
422 | ret = mwifiex_get_debug_info(priv, &info); | |
423 | if (ret) | |
424 | goto free_and_exit; | |
425 | ||
bb5097fe | 426 | p += mwifiex_debug_info_to_buffer(priv, p, &info); |
5e6e3a92 BZ |
427 | |
428 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
429 | (unsigned long) p - page); | |
430 | ||
431 | free_and_exit: | |
432 | free_page(page); | |
433 | return ret; | |
434 | } | |
435 | ||
436 | static u32 saved_reg_type, saved_reg_offset, saved_reg_value; | |
437 | ||
438 | /* | |
439 | * Proc regrdwr file write handler. | |
440 | * | |
441 | * This function is called when the 'regrdwr' file is opened for writing | |
442 | * | |
443 | * This function can be used to write to a register. | |
444 | */ | |
445 | static ssize_t | |
446 | mwifiex_regrdwr_write(struct file *file, | |
447 | const char __user *ubuf, size_t count, loff_t *ppos) | |
448 | { | |
f0fc8696 | 449 | char *buf; |
270e58e8 | 450 | int ret; |
5e6e3a92 BZ |
451 | u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX; |
452 | ||
f0fc8696 AV |
453 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
454 | if (IS_ERR(buf)) | |
455 | return PTR_ERR(buf); | |
5e6e3a92 BZ |
456 | |
457 | sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value); | |
458 | ||
459 | if (reg_type == 0 || reg_offset == 0) { | |
460 | ret = -EINVAL; | |
461 | goto done; | |
462 | } else { | |
463 | saved_reg_type = reg_type; | |
464 | saved_reg_offset = reg_offset; | |
465 | saved_reg_value = reg_value; | |
466 | ret = count; | |
467 | } | |
468 | done: | |
f0fc8696 | 469 | kfree(buf); |
5e6e3a92 BZ |
470 | return ret; |
471 | } | |
472 | ||
473 | /* | |
474 | * Proc regrdwr file read handler. | |
475 | * | |
476 | * This function is called when the 'regrdwr' file is opened for reading | |
477 | * | |
478 | * This function can be used to read from a register. | |
479 | */ | |
480 | static ssize_t | |
481 | mwifiex_regrdwr_read(struct file *file, char __user *ubuf, | |
482 | size_t count, loff_t *ppos) | |
483 | { | |
484 | struct mwifiex_private *priv = | |
485 | (struct mwifiex_private *) file->private_data; | |
486 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
487 | char *buf = (char *) addr; | |
488 | int pos = 0, ret = 0; | |
489 | u32 reg_value; | |
490 | ||
491 | if (!buf) | |
492 | return -ENOMEM; | |
493 | ||
494 | if (!saved_reg_type) { | |
495 | /* No command has been given */ | |
496 | pos += snprintf(buf, PAGE_SIZE, "0"); | |
497 | goto done; | |
498 | } | |
499 | /* Set command has been given */ | |
500 | if (saved_reg_value != UINT_MAX) { | |
501 | ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset, | |
502 | saved_reg_value); | |
503 | ||
504 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", | |
505 | saved_reg_type, saved_reg_offset, | |
506 | saved_reg_value); | |
507 | ||
508 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
509 | ||
510 | goto done; | |
511 | } | |
512 | /* Get command has been given */ | |
513 | ret = mwifiex_reg_read(priv, saved_reg_type, | |
514 | saved_reg_offset, ®_value); | |
515 | if (ret) { | |
516 | ret = -EINVAL; | |
517 | goto done; | |
518 | } | |
519 | ||
520 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type, | |
521 | saved_reg_offset, reg_value); | |
522 | ||
523 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
524 | ||
525 | done: | |
526 | free_page(addr); | |
527 | return ret; | |
528 | } | |
529 | ||
c687a007 ZL |
530 | /* Proc debug_mask file read handler. |
531 | * This function is called when the 'debug_mask' file is opened for reading | |
532 | * This function can be used read driver debugging mask value. | |
533 | */ | |
534 | static ssize_t | |
535 | mwifiex_debug_mask_read(struct file *file, char __user *ubuf, | |
536 | size_t count, loff_t *ppos) | |
537 | { | |
538 | struct mwifiex_private *priv = | |
539 | (struct mwifiex_private *)file->private_data; | |
540 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
541 | char *buf = (char *)page; | |
542 | size_t ret = 0; | |
543 | int pos = 0; | |
544 | ||
545 | if (!buf) | |
546 | return -ENOMEM; | |
547 | ||
548 | pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n", | |
549 | priv->adapter->debug_mask); | |
550 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
551 | ||
552 | free_page(page); | |
553 | return ret; | |
554 | } | |
555 | ||
556 | /* Proc debug_mask file read handler. | |
557 | * This function is called when the 'debug_mask' file is opened for reading | |
558 | * This function can be used read driver debugging mask value. | |
559 | */ | |
560 | static ssize_t | |
561 | mwifiex_debug_mask_write(struct file *file, const char __user *ubuf, | |
562 | size_t count, loff_t *ppos) | |
563 | { | |
564 | int ret; | |
565 | unsigned long debug_mask; | |
566 | struct mwifiex_private *priv = (void *)file->private_data; | |
f0fc8696 | 567 | char *buf; |
c687a007 | 568 | |
f0fc8696 AV |
569 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
570 | if (IS_ERR(buf)) | |
571 | return PTR_ERR(buf); | |
c687a007 ZL |
572 | |
573 | if (kstrtoul(buf, 0, &debug_mask)) { | |
574 | ret = -EINVAL; | |
575 | goto done; | |
576 | } | |
577 | ||
578 | priv->adapter->debug_mask = debug_mask; | |
579 | ret = count; | |
580 | done: | |
f0fc8696 | 581 | kfree(buf); |
c687a007 ZL |
582 | return ret; |
583 | } | |
584 | ||
17934b6a XH |
585 | /* debugfs verext file write handler. |
586 | * This function is called when the 'verext' file is opened for write | |
587 | */ | |
588 | static ssize_t | |
589 | mwifiex_verext_write(struct file *file, const char __user *ubuf, | |
590 | size_t count, loff_t *ppos) | |
591 | { | |
592 | int ret; | |
593 | u32 versionstrsel; | |
594 | struct mwifiex_private *priv = (void *)file->private_data; | |
595 | char buf[16]; | |
596 | ||
597 | memset(buf, 0, sizeof(buf)); | |
598 | ||
599 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) | |
600 | return -EFAULT; | |
601 | ||
602 | ret = kstrtou32(buf, 10, &versionstrsel); | |
603 | if (ret) | |
604 | return ret; | |
605 | ||
606 | priv->versionstrsel = versionstrsel; | |
607 | ||
608 | return count; | |
609 | } | |
610 | ||
611 | /* Proc verext file read handler. | |
612 | * This function is called when the 'verext' file is opened for reading | |
613 | * This function can be used read driver exteneed verion string. | |
614 | */ | |
615 | static ssize_t | |
616 | mwifiex_verext_read(struct file *file, char __user *ubuf, | |
617 | size_t count, loff_t *ppos) | |
618 | { | |
619 | struct mwifiex_private *priv = | |
620 | (struct mwifiex_private *)file->private_data; | |
621 | char buf[256]; | |
622 | int ret; | |
623 | ||
624 | mwifiex_get_ver_ext(priv, priv->versionstrsel); | |
625 | ret = snprintf(buf, sizeof(buf), "version string: %s\n", | |
626 | priv->version_str); | |
627 | ||
628 | return simple_read_from_buffer(ubuf, count, ppos, buf, ret); | |
629 | } | |
630 | ||
c2c6c85f CL |
631 | /* Proc memrw file write handler. |
632 | * This function is called when the 'memrw' file is opened for writing | |
633 | * This function can be used to write to a memory location. | |
634 | */ | |
635 | static ssize_t | |
636 | mwifiex_memrw_write(struct file *file, const char __user *ubuf, size_t count, | |
637 | loff_t *ppos) | |
638 | { | |
639 | int ret; | |
640 | char cmd; | |
641 | struct mwifiex_ds_mem_rw mem_rw; | |
642 | u16 cmd_action; | |
643 | struct mwifiex_private *priv = (void *)file->private_data; | |
f0fc8696 | 644 | char *buf; |
c2c6c85f | 645 | |
f0fc8696 AV |
646 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
647 | if (IS_ERR(buf)) | |
648 | return PTR_ERR(buf); | |
c2c6c85f CL |
649 | |
650 | ret = sscanf(buf, "%c %x %x", &cmd, &mem_rw.addr, &mem_rw.value); | |
651 | if (ret != 3) { | |
652 | ret = -EINVAL; | |
653 | goto done; | |
654 | } | |
655 | ||
656 | if ((cmd == 'r') || (cmd == 'R')) { | |
657 | cmd_action = HostCmd_ACT_GEN_GET; | |
658 | mem_rw.value = 0; | |
659 | } else if ((cmd == 'w') || (cmd == 'W')) { | |
660 | cmd_action = HostCmd_ACT_GEN_SET; | |
661 | } else { | |
662 | ret = -EINVAL; | |
663 | goto done; | |
664 | } | |
665 | ||
666 | memcpy(&priv->mem_rw, &mem_rw, sizeof(mem_rw)); | |
667 | if (mwifiex_send_cmd(priv, HostCmd_CMD_MEM_ACCESS, cmd_action, 0, | |
668 | &mem_rw, true)) | |
669 | ret = -1; | |
670 | else | |
671 | ret = count; | |
672 | ||
673 | done: | |
f0fc8696 | 674 | kfree(buf); |
c2c6c85f CL |
675 | return ret; |
676 | } | |
677 | ||
678 | /* Proc memrw file read handler. | |
679 | * This function is called when the 'memrw' file is opened for reading | |
680 | * This function can be used to read from a memory location. | |
681 | */ | |
682 | static ssize_t | |
683 | mwifiex_memrw_read(struct file *file, char __user *ubuf, | |
684 | size_t count, loff_t *ppos) | |
685 | { | |
686 | struct mwifiex_private *priv = (void *)file->private_data; | |
687 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
688 | char *buf = (char *)addr; | |
689 | int ret, pos = 0; | |
690 | ||
691 | if (!buf) | |
692 | return -ENOMEM; | |
693 | ||
694 | pos += snprintf(buf, PAGE_SIZE, "0x%x 0x%x\n", priv->mem_rw.addr, | |
695 | priv->mem_rw.value); | |
696 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
697 | ||
698 | free_page(addr); | |
699 | return ret; | |
700 | } | |
701 | ||
5e6e3a92 BZ |
702 | static u32 saved_offset = -1, saved_bytes = -1; |
703 | ||
704 | /* | |
705 | * Proc rdeeprom file write handler. | |
706 | * | |
707 | * This function is called when the 'rdeeprom' file is opened for writing | |
708 | * | |
709 | * This function can be used to write to a RDEEPROM location. | |
710 | */ | |
711 | static ssize_t | |
712 | mwifiex_rdeeprom_write(struct file *file, | |
713 | const char __user *ubuf, size_t count, loff_t *ppos) | |
714 | { | |
f0fc8696 | 715 | char *buf; |
5e6e3a92 BZ |
716 | int ret = 0; |
717 | int offset = -1, bytes = -1; | |
718 | ||
f0fc8696 AV |
719 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
720 | if (IS_ERR(buf)) | |
721 | return PTR_ERR(buf); | |
5e6e3a92 BZ |
722 | |
723 | sscanf(buf, "%d %d", &offset, &bytes); | |
724 | ||
725 | if (offset == -1 || bytes == -1) { | |
726 | ret = -EINVAL; | |
727 | goto done; | |
728 | } else { | |
729 | saved_offset = offset; | |
730 | saved_bytes = bytes; | |
731 | ret = count; | |
732 | } | |
733 | done: | |
f0fc8696 | 734 | kfree(buf); |
5e6e3a92 BZ |
735 | return ret; |
736 | } | |
737 | ||
738 | /* | |
739 | * Proc rdeeprom read write handler. | |
740 | * | |
741 | * This function is called when the 'rdeeprom' file is opened for reading | |
742 | * | |
743 | * This function can be used to read from a RDEEPROM location. | |
744 | */ | |
745 | static ssize_t | |
746 | mwifiex_rdeeprom_read(struct file *file, char __user *ubuf, | |
747 | size_t count, loff_t *ppos) | |
748 | { | |
749 | struct mwifiex_private *priv = | |
750 | (struct mwifiex_private *) file->private_data; | |
751 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
752 | char *buf = (char *) addr; | |
1f9c6e1b | 753 | int pos, ret, i; |
5e6e3a92 BZ |
754 | u8 value[MAX_EEPROM_DATA]; |
755 | ||
756 | if (!buf) | |
757 | return -ENOMEM; | |
758 | ||
759 | if (saved_offset == -1) { | |
760 | /* No command has been given */ | |
1f9c6e1b | 761 | pos = snprintf(buf, PAGE_SIZE, "0"); |
5e6e3a92 BZ |
762 | goto done; |
763 | } | |
764 | ||
765 | /* Get command has been given */ | |
766 | ret = mwifiex_eeprom_read(priv, (u16) saved_offset, | |
767 | (u16) saved_bytes, value); | |
768 | if (ret) { | |
769 | ret = -EINVAL; | |
1f9c6e1b | 770 | goto out_free; |
5e6e3a92 BZ |
771 | } |
772 | ||
1f9c6e1b | 773 | pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes); |
5e6e3a92 BZ |
774 | |
775 | for (i = 0; i < saved_bytes; i++) | |
1f9c6e1b | 776 | pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]); |
5e6e3a92 BZ |
777 | |
778 | done: | |
1f9c6e1b DC |
779 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); |
780 | out_free: | |
5e6e3a92 BZ |
781 | free_page(addr); |
782 | return ret; | |
783 | } | |
784 | ||
937a5045 XH |
785 | /* Proc hscfg file write handler |
786 | * This function can be used to configure the host sleep parameters. | |
787 | */ | |
788 | static ssize_t | |
789 | mwifiex_hscfg_write(struct file *file, const char __user *ubuf, | |
790 | size_t count, loff_t *ppos) | |
791 | { | |
792 | struct mwifiex_private *priv = (void *)file->private_data; | |
f0fc8696 | 793 | char *buf; |
937a5045 XH |
794 | int ret, arg_num; |
795 | struct mwifiex_ds_hs_cfg hscfg; | |
796 | int conditions = HS_CFG_COND_DEF; | |
797 | u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF; | |
798 | ||
f0fc8696 AV |
799 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
800 | if (IS_ERR(buf)) | |
801 | return PTR_ERR(buf); | |
937a5045 XH |
802 | |
803 | arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap); | |
804 | ||
805 | memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg)); | |
806 | ||
807 | if (arg_num > 3) { | |
acebe8c1 ZL |
808 | mwifiex_dbg(priv->adapter, ERROR, |
809 | "Too many arguments\n"); | |
937a5045 XH |
810 | ret = -EINVAL; |
811 | goto done; | |
812 | } | |
813 | ||
814 | if (arg_num >= 1 && arg_num < 3) | |
815 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
816 | MWIFIEX_SYNC_CMD, &hscfg); | |
817 | ||
818 | if (arg_num) { | |
819 | if (conditions == HS_CFG_CANCEL) { | |
820 | mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD); | |
821 | ret = count; | |
822 | goto done; | |
823 | } | |
824 | hscfg.conditions = conditions; | |
825 | } | |
826 | if (arg_num >= 2) | |
827 | hscfg.gpio = gpio; | |
828 | if (arg_num == 3) | |
829 | hscfg.gap = gap; | |
830 | ||
831 | hscfg.is_invoke_hostcmd = false; | |
832 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, | |
833 | MWIFIEX_SYNC_CMD, &hscfg); | |
834 | ||
835 | mwifiex_enable_hs(priv->adapter); | |
836 | priv->adapter->hs_enabling = false; | |
837 | ret = count; | |
838 | done: | |
f0fc8696 | 839 | kfree(buf); |
937a5045 XH |
840 | return ret; |
841 | } | |
842 | ||
843 | /* Proc hscfg file read handler | |
844 | * This function can be used to read host sleep configuration | |
845 | * parameters from driver. | |
846 | */ | |
847 | static ssize_t | |
848 | mwifiex_hscfg_read(struct file *file, char __user *ubuf, | |
849 | size_t count, loff_t *ppos) | |
850 | { | |
851 | struct mwifiex_private *priv = (void *)file->private_data; | |
852 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
853 | char *buf = (char *)addr; | |
854 | int pos, ret; | |
855 | struct mwifiex_ds_hs_cfg hscfg; | |
856 | ||
857 | if (!buf) | |
858 | return -ENOMEM; | |
859 | ||
860 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
861 | MWIFIEX_SYNC_CMD, &hscfg); | |
862 | ||
863 | pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", hscfg.conditions, | |
864 | hscfg.gpio, hscfg.gap); | |
865 | ||
866 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
867 | ||
868 | free_page(addr); | |
869 | return ret; | |
870 | } | |
5e6e3a92 | 871 | |
46dbe247 AK |
872 | static ssize_t |
873 | mwifiex_timeshare_coex_read(struct file *file, char __user *ubuf, | |
874 | size_t count, loff_t *ppos) | |
875 | { | |
876 | struct mwifiex_private *priv = file->private_data; | |
877 | char buf[3]; | |
878 | bool timeshare_coex; | |
879 | int ret; | |
880 | unsigned int len; | |
881 | ||
882 | if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15) | |
883 | return -EOPNOTSUPP; | |
884 | ||
885 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX, | |
886 | HostCmd_ACT_GEN_GET, 0, ×hare_coex, true); | |
887 | if (ret) | |
888 | return ret; | |
889 | ||
890 | len = sprintf(buf, "%d\n", timeshare_coex); | |
891 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
892 | } | |
893 | ||
894 | static ssize_t | |
895 | mwifiex_timeshare_coex_write(struct file *file, const char __user *ubuf, | |
896 | size_t count, loff_t *ppos) | |
897 | { | |
898 | bool timeshare_coex; | |
899 | struct mwifiex_private *priv = file->private_data; | |
900 | char kbuf[16]; | |
901 | int ret; | |
902 | ||
903 | if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15) | |
904 | return -EOPNOTSUPP; | |
905 | ||
906 | memset(kbuf, 0, sizeof(kbuf)); | |
907 | ||
908 | if (copy_from_user(&kbuf, ubuf, min_t(size_t, sizeof(kbuf) - 1, count))) | |
909 | return -EFAULT; | |
910 | ||
911 | if (strtobool(kbuf, ×hare_coex)) | |
912 | return -EINVAL; | |
913 | ||
914 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX, | |
915 | HostCmd_ACT_GEN_SET, 0, ×hare_coex, true); | |
916 | if (ret) | |
917 | return ret; | |
918 | else | |
919 | return count; | |
920 | } | |
921 | ||
76ae3e26 AK |
922 | static ssize_t |
923 | mwifiex_reset_write(struct file *file, | |
924 | const char __user *ubuf, size_t count, loff_t *ppos) | |
925 | { | |
926 | struct mwifiex_private *priv = file->private_data; | |
927 | struct mwifiex_adapter *adapter = priv->adapter; | |
928 | char cmd; | |
929 | bool result; | |
930 | ||
931 | if (copy_from_user(&cmd, ubuf, sizeof(cmd))) | |
932 | return -EFAULT; | |
933 | ||
934 | if (strtobool(&cmd, &result)) | |
935 | return -EINVAL; | |
936 | ||
937 | if (!result) | |
938 | return -EINVAL; | |
939 | ||
940 | if (adapter->if_ops.card_reset) { | |
941 | dev_info(adapter->dev, "Resetting per request\n"); | |
942 | adapter->hw_status = MWIFIEX_HW_STATUS_RESET; | |
943 | mwifiex_cancel_all_pending_cmd(adapter); | |
944 | adapter->if_ops.card_reset(adapter); | |
945 | } | |
946 | ||
947 | return count; | |
948 | } | |
949 | ||
5e6e3a92 BZ |
950 | #define MWIFIEX_DFS_ADD_FILE(name) do { \ |
951 | if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir, \ | |
952 | priv, &mwifiex_dfs_##name##_fops)) \ | |
953 | return; \ | |
954 | } while (0); | |
955 | ||
956 | #define MWIFIEX_DFS_FILE_OPS(name) \ | |
957 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
958 | .read = mwifiex_##name##_read, \ | |
959 | .write = mwifiex_##name##_write, \ | |
234e3405 | 960 | .open = simple_open, \ |
5e6e3a92 BZ |
961 | }; |
962 | ||
963 | #define MWIFIEX_DFS_FILE_READ_OPS(name) \ | |
964 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
965 | .read = mwifiex_##name##_read, \ | |
234e3405 | 966 | .open = simple_open, \ |
5e6e3a92 BZ |
967 | }; |
968 | ||
969 | #define MWIFIEX_DFS_FILE_WRITE_OPS(name) \ | |
970 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
971 | .write = mwifiex_##name##_write, \ | |
234e3405 | 972 | .open = simple_open, \ |
5e6e3a92 BZ |
973 | }; |
974 | ||
975 | ||
976 | MWIFIEX_DFS_FILE_READ_OPS(info); | |
977 | MWIFIEX_DFS_FILE_READ_OPS(debug); | |
978 | MWIFIEX_DFS_FILE_READ_OPS(getlog); | |
fc697159 | 979 | MWIFIEX_DFS_FILE_READ_OPS(device_dump); |
5e6e3a92 BZ |
980 | MWIFIEX_DFS_FILE_OPS(regrdwr); |
981 | MWIFIEX_DFS_FILE_OPS(rdeeprom); | |
c2c6c85f | 982 | MWIFIEX_DFS_FILE_OPS(memrw); |
937a5045 | 983 | MWIFIEX_DFS_FILE_OPS(hscfg); |
cbf6e055 | 984 | MWIFIEX_DFS_FILE_OPS(histogram); |
c687a007 | 985 | MWIFIEX_DFS_FILE_OPS(debug_mask); |
46dbe247 | 986 | MWIFIEX_DFS_FILE_OPS(timeshare_coex); |
76ae3e26 | 987 | MWIFIEX_DFS_FILE_WRITE_OPS(reset); |
17934b6a | 988 | MWIFIEX_DFS_FILE_OPS(verext); |
5e6e3a92 BZ |
989 | |
990 | /* | |
991 | * This function creates the debug FS directory structure and the files. | |
992 | */ | |
993 | void | |
994 | mwifiex_dev_debugfs_init(struct mwifiex_private *priv) | |
995 | { | |
996 | if (!mwifiex_dfs_dir || !priv) | |
997 | return; | |
998 | ||
999 | priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name, | |
1000 | mwifiex_dfs_dir); | |
1001 | ||
1002 | if (!priv->dfs_dev_dir) | |
1003 | return; | |
1004 | ||
1005 | MWIFIEX_DFS_ADD_FILE(info); | |
1006 | MWIFIEX_DFS_ADD_FILE(debug); | |
1007 | MWIFIEX_DFS_ADD_FILE(getlog); | |
1008 | MWIFIEX_DFS_ADD_FILE(regrdwr); | |
1009 | MWIFIEX_DFS_ADD_FILE(rdeeprom); | |
fc697159 | 1010 | MWIFIEX_DFS_ADD_FILE(device_dump); |
c2c6c85f | 1011 | MWIFIEX_DFS_ADD_FILE(memrw); |
937a5045 | 1012 | MWIFIEX_DFS_ADD_FILE(hscfg); |
cbf6e055 | 1013 | MWIFIEX_DFS_ADD_FILE(histogram); |
c687a007 | 1014 | MWIFIEX_DFS_ADD_FILE(debug_mask); |
46dbe247 | 1015 | MWIFIEX_DFS_ADD_FILE(timeshare_coex); |
76ae3e26 | 1016 | MWIFIEX_DFS_ADD_FILE(reset); |
17934b6a | 1017 | MWIFIEX_DFS_ADD_FILE(verext); |
5e6e3a92 BZ |
1018 | } |
1019 | ||
1020 | /* | |
1021 | * This function removes the debug FS directory structure and the files. | |
1022 | */ | |
1023 | void | |
1024 | mwifiex_dev_debugfs_remove(struct mwifiex_private *priv) | |
1025 | { | |
1026 | if (!priv) | |
1027 | return; | |
1028 | ||
1029 | debugfs_remove_recursive(priv->dfs_dev_dir); | |
5e6e3a92 BZ |
1030 | } |
1031 | ||
1032 | /* | |
1033 | * This function creates the top level proc directory. | |
1034 | */ | |
1035 | void | |
1036 | mwifiex_debugfs_init(void) | |
1037 | { | |
1038 | if (!mwifiex_dfs_dir) | |
1039 | mwifiex_dfs_dir = debugfs_create_dir("mwifiex", NULL); | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * This function removes the top level proc directory. | |
1044 | */ | |
1045 | void | |
1046 | mwifiex_debugfs_remove(void) | |
1047 | { | |
1048 | if (mwifiex_dfs_dir) | |
1049 | debugfs_remove(mwifiex_dfs_dir); | |
1050 | } |