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); |
e5988c62 K |
121 | p += sprintf(p, "region_code=\"0x%x\"\n", |
122 | priv->adapter->region_code); | |
5e6e3a92 BZ |
123 | |
124 | netdev_for_each_mc_addr(ha, netdev) | |
037b559a AS |
125 | p += sprintf(p, "multicast_address[%d]=\"%pM\"\n", |
126 | i++, ha->addr); | |
5e6e3a92 BZ |
127 | } |
128 | ||
129 | p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes); | |
130 | p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes); | |
131 | p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets); | |
132 | p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets); | |
133 | p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped); | |
134 | p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped); | |
135 | p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors); | |
136 | p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors); | |
137 | p += sprintf(p, "carrier %s\n", ((netif_carrier_ok(priv->netdev)) | |
138 | ? "on" : "off")); | |
47411a06 AP |
139 | p += sprintf(p, "tx queue"); |
140 | for (i = 0; i < netdev->num_tx_queues; i++) { | |
141 | txq = netdev_get_tx_queue(netdev, i); | |
142 | p += sprintf(p, " %d:%s", i, netif_tx_queue_stopped(txq) ? | |
143 | "stopped" : "started"); | |
144 | } | |
145 | p += sprintf(p, "\n"); | |
5e6e3a92 BZ |
146 | |
147 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
148 | (unsigned long) p - page); | |
149 | ||
150 | free_and_exit: | |
151 | free_page(page); | |
152 | return ret; | |
153 | } | |
154 | ||
1c09bf68 | 155 | /* |
fc697159 | 156 | * Proc device dump read handler. |
1c09bf68 | 157 | * |
fc697159 | 158 | * This function is called when the 'device_dump' file is opened for |
1c09bf68 | 159 | * reading. |
fc697159 AK |
160 | * This function dumps driver information and firmware memory segments |
161 | * (ex. DTCM, ITCM, SQRAM etc.) for | |
1c09bf68 AK |
162 | * debugging. |
163 | */ | |
164 | static ssize_t | |
fc697159 AK |
165 | mwifiex_device_dump_read(struct file *file, char __user *ubuf, |
166 | size_t count, loff_t *ppos) | |
1c09bf68 AK |
167 | { |
168 | struct mwifiex_private *priv = file->private_data; | |
169 | ||
fc697159 | 170 | if (!priv->adapter->if_ops.device_dump) |
1c09bf68 AK |
171 | return -EIO; |
172 | ||
fc697159 | 173 | priv->adapter->if_ops.device_dump(priv->adapter); |
1c09bf68 AK |
174 | |
175 | return 0; | |
176 | } | |
177 | ||
5e6e3a92 BZ |
178 | /* |
179 | * Proc getlog file read handler. | |
180 | * | |
181 | * This function is called when the 'getlog' file is opened for reading | |
182 | * It prints the following log information - | |
183 | * - Number of multicast Tx frames | |
184 | * - Number of failed packets | |
185 | * - Number of Tx retries | |
186 | * - Number of multicast Tx retries | |
187 | * - Number of duplicate frames | |
188 | * - Number of RTS successes | |
189 | * - Number of RTS failures | |
190 | * - Number of ACK failures | |
191 | * - Number of fragmented Rx frames | |
192 | * - Number of multicast Rx frames | |
193 | * - Number of FCS errors | |
194 | * - Number of Tx frames | |
195 | * - WEP ICV error counts | |
d35b6392 XH |
196 | * - Number of received beacons |
197 | * - Number of missed beacons | |
5e6e3a92 BZ |
198 | */ |
199 | static ssize_t | |
200 | mwifiex_getlog_read(struct file *file, char __user *ubuf, | |
201 | size_t count, loff_t *ppos) | |
202 | { | |
203 | struct mwifiex_private *priv = | |
204 | (struct mwifiex_private *) file->private_data; | |
205 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
206 | char *p = (char *) page; | |
270e58e8 | 207 | ssize_t ret; |
5e6e3a92 BZ |
208 | struct mwifiex_ds_get_stats stats; |
209 | ||
210 | if (!p) | |
211 | return -ENOMEM; | |
212 | ||
213 | memset(&stats, 0, sizeof(stats)); | |
214 | ret = mwifiex_get_stats_info(priv, &stats); | |
215 | if (ret) | |
216 | goto free_and_exit; | |
217 | ||
218 | p += sprintf(p, "\n" | |
219 | "mcasttxframe %u\n" | |
220 | "failed %u\n" | |
221 | "retry %u\n" | |
222 | "multiretry %u\n" | |
223 | "framedup %u\n" | |
224 | "rtssuccess %u\n" | |
225 | "rtsfailure %u\n" | |
226 | "ackfailure %u\n" | |
227 | "rxfrag %u\n" | |
228 | "mcastrxframe %u\n" | |
229 | "fcserror %u\n" | |
230 | "txframe %u\n" | |
231 | "wepicverrcnt-1 %u\n" | |
232 | "wepicverrcnt-2 %u\n" | |
233 | "wepicverrcnt-3 %u\n" | |
d35b6392 XH |
234 | "wepicverrcnt-4 %u\n" |
235 | "bcn_rcv_cnt %u\n" | |
236 | "bcn_miss_cnt %u\n", | |
5e6e3a92 BZ |
237 | stats.mcast_tx_frame, |
238 | stats.failed, | |
239 | stats.retry, | |
240 | stats.multi_retry, | |
241 | stats.frame_dup, | |
242 | stats.rts_success, | |
243 | stats.rts_failure, | |
244 | stats.ack_failure, | |
245 | stats.rx_frag, | |
246 | stats.mcast_rx_frame, | |
247 | stats.fcs_error, | |
248 | stats.tx_frame, | |
249 | stats.wep_icv_error[0], | |
250 | stats.wep_icv_error[1], | |
251 | stats.wep_icv_error[2], | |
d35b6392 XH |
252 | stats.wep_icv_error[3], |
253 | stats.bcn_rcv_cnt, | |
254 | stats.bcn_miss_cnt); | |
5e6e3a92 BZ |
255 | |
256 | ||
257 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
258 | (unsigned long) p - page); | |
259 | ||
260 | free_and_exit: | |
261 | free_page(page); | |
262 | return ret; | |
263 | } | |
264 | ||
cbf6e055 XH |
265 | /* Sysfs histogram file read handler. |
266 | * | |
267 | * This function is called when the 'histogram' file is opened for reading | |
268 | * It prints the following histogram information - | |
269 | * - Number of histogram samples | |
270 | * - Receive packet number of each rx_rate | |
271 | * - Receive packet number of each snr | |
272 | * - Receive packet number of each nosie_flr | |
273 | * - Receive packet number of each signal streath | |
274 | */ | |
275 | static ssize_t | |
276 | mwifiex_histogram_read(struct file *file, char __user *ubuf, | |
277 | size_t count, loff_t *ppos) | |
278 | { | |
279 | struct mwifiex_private *priv = | |
280 | (struct mwifiex_private *)file->private_data; | |
281 | ssize_t ret; | |
282 | struct mwifiex_histogram_data *phist_data; | |
283 | int i, value; | |
284 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
285 | char *p = (char *)page; | |
286 | ||
287 | if (!p) | |
288 | return -ENOMEM; | |
289 | ||
290 | if (!priv || !priv->hist_data) | |
291 | return -EFAULT; | |
292 | phist_data = priv->hist_data; | |
293 | ||
294 | p += sprintf(p, "\n" | |
295 | "total samples = %d\n", | |
296 | atomic_read(&phist_data->num_samples)); | |
297 | ||
298 | p += sprintf(p, "rx rates (in Mbps): 0=1M 1=2M"); | |
299 | p += sprintf(p, "2=5.5M 3=11M 4=6M 5=9M 6=12M\n"); | |
300 | p += sprintf(p, "7=18M 8=24M 9=36M 10=48M 11=54M"); | |
301 | p += sprintf(p, "12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n"); | |
302 | ||
303 | if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { | |
304 | p += sprintf(p, "44-53=MCS0-9(VHT:BW20)"); | |
305 | p += sprintf(p, "54-63=MCS0-9(VHT:BW40)"); | |
306 | p += sprintf(p, "64-73=MCS0-9(VHT:BW80)\n\n"); | |
307 | } else { | |
308 | p += sprintf(p, "\n"); | |
309 | } | |
310 | ||
311 | for (i = 0; i < MWIFIEX_MAX_RX_RATES; i++) { | |
312 | value = atomic_read(&phist_data->rx_rate[i]); | |
313 | if (value) | |
314 | p += sprintf(p, "rx_rate[%02d] = %d\n", i, value); | |
315 | } | |
316 | ||
317 | if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { | |
318 | for (i = MWIFIEX_MAX_RX_RATES; i < MWIFIEX_MAX_AC_RX_RATES; | |
319 | i++) { | |
320 | value = atomic_read(&phist_data->rx_rate[i]); | |
321 | if (value) | |
322 | p += sprintf(p, "rx_rate[%02d] = %d\n", | |
323 | i, value); | |
324 | } | |
325 | } | |
326 | ||
327 | for (i = 0; i < MWIFIEX_MAX_SNR; i++) { | |
328 | value = atomic_read(&phist_data->snr[i]); | |
329 | if (value) | |
330 | p += sprintf(p, "snr[%02ddB] = %d\n", i, value); | |
331 | } | |
332 | for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) { | |
333 | value = atomic_read(&phist_data->noise_flr[i]); | |
334 | if (value) | |
335 | p += sprintf(p, "noise_flr[-%02ddBm] = %d\n", | |
336 | (int)(i-128), value); | |
337 | } | |
338 | for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) { | |
339 | value = atomic_read(&phist_data->sig_str[i]); | |
340 | if (value) | |
341 | p += sprintf(p, "sig_strength[-%02ddBm] = %d\n", | |
342 | i, value); | |
343 | } | |
344 | ||
345 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, | |
346 | (unsigned long)p - page); | |
347 | ||
348 | return ret; | |
349 | } | |
350 | ||
351 | static ssize_t | |
352 | mwifiex_histogram_write(struct file *file, const char __user *ubuf, | |
353 | size_t count, loff_t *ppos) | |
354 | { | |
355 | struct mwifiex_private *priv = (void *)file->private_data; | |
356 | ||
357 | if (priv && priv->hist_data) | |
358 | mwifiex_hist_data_reset(priv); | |
359 | return 0; | |
360 | } | |
361 | ||
5e6e3a92 BZ |
362 | static struct mwifiex_debug_info info; |
363 | ||
364 | /* | |
365 | * Proc debug file read handler. | |
366 | * | |
367 | * This function is called when the 'debug' file is opened for reading | |
368 | * It prints the following log information - | |
369 | * - Interrupt count | |
370 | * - WMM AC VO packets count | |
371 | * - WMM AC VI packets count | |
372 | * - WMM AC BE packets count | |
373 | * - WMM AC BK packets count | |
374 | * - Maximum Tx buffer size | |
375 | * - Tx buffer size | |
376 | * - Current Tx buffer size | |
377 | * - Power Save mode | |
378 | * - Power Save state | |
379 | * - Deep Sleep status | |
380 | * - Device wakeup required status | |
381 | * - Number of wakeup tries | |
382 | * - Host Sleep configured status | |
383 | * - Host Sleep activated status | |
384 | * - Number of Tx timeouts | |
385 | * - Number of command timeouts | |
386 | * - Last timed out command ID | |
387 | * - Last timed out command action | |
388 | * - Last command ID | |
389 | * - Last command action | |
390 | * - Last command index | |
391 | * - Last command response ID | |
392 | * - Last command response index | |
393 | * - Last event | |
394 | * - Last event index | |
395 | * - Number of host to card command failures | |
396 | * - Number of sleep confirm command failures | |
397 | * - Number of host to card data failure | |
398 | * - Number of deauthentication events | |
399 | * - Number of disassociation events | |
400 | * - Number of link lost events | |
401 | * - Number of deauthentication commands | |
402 | * - Number of association success commands | |
403 | * - Number of association failure commands | |
404 | * - Number of commands sent | |
405 | * - Number of data packets sent | |
406 | * - Number of command responses received | |
407 | * - Number of events received | |
408 | * - Tx BA stream table (TID, RA) | |
409 | * - Rx reorder table (TID, TA, Start window, Window size, Buffer) | |
410 | */ | |
411 | static ssize_t | |
412 | mwifiex_debug_read(struct file *file, char __user *ubuf, | |
413 | size_t count, loff_t *ppos) | |
414 | { | |
415 | struct mwifiex_private *priv = | |
416 | (struct mwifiex_private *) file->private_data; | |
5e6e3a92 BZ |
417 | unsigned long page = get_zeroed_page(GFP_KERNEL); |
418 | char *p = (char *) page; | |
270e58e8 | 419 | ssize_t ret; |
5e6e3a92 BZ |
420 | |
421 | if (!p) | |
422 | return -ENOMEM; | |
423 | ||
424 | ret = mwifiex_get_debug_info(priv, &info); | |
425 | if (ret) | |
426 | goto free_and_exit; | |
427 | ||
bb5097fe | 428 | p += mwifiex_debug_info_to_buffer(priv, p, &info); |
5e6e3a92 BZ |
429 | |
430 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
431 | (unsigned long) p - page); | |
432 | ||
433 | free_and_exit: | |
434 | free_page(page); | |
435 | return ret; | |
436 | } | |
437 | ||
438 | static u32 saved_reg_type, saved_reg_offset, saved_reg_value; | |
439 | ||
440 | /* | |
441 | * Proc regrdwr file write handler. | |
442 | * | |
443 | * This function is called when the 'regrdwr' file is opened for writing | |
444 | * | |
445 | * This function can be used to write to a register. | |
446 | */ | |
447 | static ssize_t | |
448 | mwifiex_regrdwr_write(struct file *file, | |
449 | const char __user *ubuf, size_t count, loff_t *ppos) | |
450 | { | |
f0fc8696 | 451 | char *buf; |
270e58e8 | 452 | int ret; |
5e6e3a92 BZ |
453 | u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX; |
454 | ||
f0fc8696 AV |
455 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
456 | if (IS_ERR(buf)) | |
457 | return PTR_ERR(buf); | |
5e6e3a92 BZ |
458 | |
459 | sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value); | |
460 | ||
461 | if (reg_type == 0 || reg_offset == 0) { | |
462 | ret = -EINVAL; | |
463 | goto done; | |
464 | } else { | |
465 | saved_reg_type = reg_type; | |
466 | saved_reg_offset = reg_offset; | |
467 | saved_reg_value = reg_value; | |
468 | ret = count; | |
469 | } | |
470 | done: | |
f0fc8696 | 471 | kfree(buf); |
5e6e3a92 BZ |
472 | return ret; |
473 | } | |
474 | ||
475 | /* | |
476 | * Proc regrdwr file read handler. | |
477 | * | |
478 | * This function is called when the 'regrdwr' file is opened for reading | |
479 | * | |
480 | * This function can be used to read from a register. | |
481 | */ | |
482 | static ssize_t | |
483 | mwifiex_regrdwr_read(struct file *file, char __user *ubuf, | |
484 | size_t count, loff_t *ppos) | |
485 | { | |
486 | struct mwifiex_private *priv = | |
487 | (struct mwifiex_private *) file->private_data; | |
488 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
489 | char *buf = (char *) addr; | |
490 | int pos = 0, ret = 0; | |
491 | u32 reg_value; | |
492 | ||
493 | if (!buf) | |
494 | return -ENOMEM; | |
495 | ||
496 | if (!saved_reg_type) { | |
497 | /* No command has been given */ | |
498 | pos += snprintf(buf, PAGE_SIZE, "0"); | |
499 | goto done; | |
500 | } | |
501 | /* Set command has been given */ | |
502 | if (saved_reg_value != UINT_MAX) { | |
503 | ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset, | |
504 | saved_reg_value); | |
505 | ||
506 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", | |
507 | saved_reg_type, saved_reg_offset, | |
508 | saved_reg_value); | |
509 | ||
510 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
511 | ||
512 | goto done; | |
513 | } | |
514 | /* Get command has been given */ | |
515 | ret = mwifiex_reg_read(priv, saved_reg_type, | |
516 | saved_reg_offset, ®_value); | |
517 | if (ret) { | |
518 | ret = -EINVAL; | |
519 | goto done; | |
520 | } | |
521 | ||
522 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type, | |
523 | saved_reg_offset, reg_value); | |
524 | ||
525 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
526 | ||
527 | done: | |
528 | free_page(addr); | |
529 | return ret; | |
530 | } | |
531 | ||
c687a007 ZL |
532 | /* Proc debug_mask file read handler. |
533 | * This function is called when the 'debug_mask' file is opened for reading | |
534 | * This function can be used read driver debugging mask value. | |
535 | */ | |
536 | static ssize_t | |
537 | mwifiex_debug_mask_read(struct file *file, char __user *ubuf, | |
538 | size_t count, loff_t *ppos) | |
539 | { | |
540 | struct mwifiex_private *priv = | |
541 | (struct mwifiex_private *)file->private_data; | |
542 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
543 | char *buf = (char *)page; | |
544 | size_t ret = 0; | |
545 | int pos = 0; | |
546 | ||
547 | if (!buf) | |
548 | return -ENOMEM; | |
549 | ||
550 | pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n", | |
551 | priv->adapter->debug_mask); | |
552 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
553 | ||
554 | free_page(page); | |
555 | return ret; | |
556 | } | |
557 | ||
558 | /* Proc debug_mask file read handler. | |
559 | * This function is called when the 'debug_mask' file is opened for reading | |
560 | * This function can be used read driver debugging mask value. | |
561 | */ | |
562 | static ssize_t | |
563 | mwifiex_debug_mask_write(struct file *file, const char __user *ubuf, | |
564 | size_t count, loff_t *ppos) | |
565 | { | |
566 | int ret; | |
567 | unsigned long debug_mask; | |
568 | struct mwifiex_private *priv = (void *)file->private_data; | |
f0fc8696 | 569 | char *buf; |
c687a007 | 570 | |
f0fc8696 AV |
571 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
572 | if (IS_ERR(buf)) | |
573 | return PTR_ERR(buf); | |
c687a007 ZL |
574 | |
575 | if (kstrtoul(buf, 0, &debug_mask)) { | |
576 | ret = -EINVAL; | |
577 | goto done; | |
578 | } | |
579 | ||
580 | priv->adapter->debug_mask = debug_mask; | |
581 | ret = count; | |
582 | done: | |
f0fc8696 | 583 | kfree(buf); |
c687a007 ZL |
584 | return ret; |
585 | } | |
586 | ||
17934b6a XH |
587 | /* debugfs verext file write handler. |
588 | * This function is called when the 'verext' file is opened for write | |
589 | */ | |
590 | static ssize_t | |
591 | mwifiex_verext_write(struct file *file, const char __user *ubuf, | |
592 | size_t count, loff_t *ppos) | |
593 | { | |
594 | int ret; | |
595 | u32 versionstrsel; | |
596 | struct mwifiex_private *priv = (void *)file->private_data; | |
597 | char buf[16]; | |
598 | ||
599 | memset(buf, 0, sizeof(buf)); | |
600 | ||
601 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) | |
602 | return -EFAULT; | |
603 | ||
604 | ret = kstrtou32(buf, 10, &versionstrsel); | |
605 | if (ret) | |
606 | return ret; | |
607 | ||
608 | priv->versionstrsel = versionstrsel; | |
609 | ||
610 | return count; | |
611 | } | |
612 | ||
613 | /* Proc verext file read handler. | |
614 | * This function is called when the 'verext' file is opened for reading | |
615 | * This function can be used read driver exteneed verion string. | |
616 | */ | |
617 | static ssize_t | |
618 | mwifiex_verext_read(struct file *file, char __user *ubuf, | |
619 | size_t count, loff_t *ppos) | |
620 | { | |
621 | struct mwifiex_private *priv = | |
622 | (struct mwifiex_private *)file->private_data; | |
623 | char buf[256]; | |
624 | int ret; | |
625 | ||
626 | mwifiex_get_ver_ext(priv, priv->versionstrsel); | |
627 | ret = snprintf(buf, sizeof(buf), "version string: %s\n", | |
628 | priv->version_str); | |
629 | ||
630 | return simple_read_from_buffer(ubuf, count, ppos, buf, ret); | |
631 | } | |
632 | ||
c2c6c85f CL |
633 | /* Proc memrw file write handler. |
634 | * This function is called when the 'memrw' file is opened for writing | |
635 | * This function can be used to write to a memory location. | |
636 | */ | |
637 | static ssize_t | |
638 | mwifiex_memrw_write(struct file *file, const char __user *ubuf, size_t count, | |
639 | loff_t *ppos) | |
640 | { | |
641 | int ret; | |
642 | char cmd; | |
643 | struct mwifiex_ds_mem_rw mem_rw; | |
644 | u16 cmd_action; | |
645 | struct mwifiex_private *priv = (void *)file->private_data; | |
f0fc8696 | 646 | char *buf; |
c2c6c85f | 647 | |
f0fc8696 AV |
648 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
649 | if (IS_ERR(buf)) | |
650 | return PTR_ERR(buf); | |
c2c6c85f CL |
651 | |
652 | ret = sscanf(buf, "%c %x %x", &cmd, &mem_rw.addr, &mem_rw.value); | |
653 | if (ret != 3) { | |
654 | ret = -EINVAL; | |
655 | goto done; | |
656 | } | |
657 | ||
658 | if ((cmd == 'r') || (cmd == 'R')) { | |
659 | cmd_action = HostCmd_ACT_GEN_GET; | |
660 | mem_rw.value = 0; | |
661 | } else if ((cmd == 'w') || (cmd == 'W')) { | |
662 | cmd_action = HostCmd_ACT_GEN_SET; | |
663 | } else { | |
664 | ret = -EINVAL; | |
665 | goto done; | |
666 | } | |
667 | ||
668 | memcpy(&priv->mem_rw, &mem_rw, sizeof(mem_rw)); | |
669 | if (mwifiex_send_cmd(priv, HostCmd_CMD_MEM_ACCESS, cmd_action, 0, | |
670 | &mem_rw, true)) | |
671 | ret = -1; | |
672 | else | |
673 | ret = count; | |
674 | ||
675 | done: | |
f0fc8696 | 676 | kfree(buf); |
c2c6c85f CL |
677 | return ret; |
678 | } | |
679 | ||
680 | /* Proc memrw file read handler. | |
681 | * This function is called when the 'memrw' file is opened for reading | |
682 | * This function can be used to read from a memory location. | |
683 | */ | |
684 | static ssize_t | |
685 | mwifiex_memrw_read(struct file *file, char __user *ubuf, | |
686 | size_t count, loff_t *ppos) | |
687 | { | |
688 | struct mwifiex_private *priv = (void *)file->private_data; | |
689 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
690 | char *buf = (char *)addr; | |
691 | int ret, pos = 0; | |
692 | ||
693 | if (!buf) | |
694 | return -ENOMEM; | |
695 | ||
696 | pos += snprintf(buf, PAGE_SIZE, "0x%x 0x%x\n", priv->mem_rw.addr, | |
697 | priv->mem_rw.value); | |
698 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
699 | ||
700 | free_page(addr); | |
701 | return ret; | |
702 | } | |
703 | ||
5e6e3a92 BZ |
704 | static u32 saved_offset = -1, saved_bytes = -1; |
705 | ||
706 | /* | |
707 | * Proc rdeeprom file write handler. | |
708 | * | |
709 | * This function is called when the 'rdeeprom' file is opened for writing | |
710 | * | |
711 | * This function can be used to write to a RDEEPROM location. | |
712 | */ | |
713 | static ssize_t | |
714 | mwifiex_rdeeprom_write(struct file *file, | |
715 | const char __user *ubuf, size_t count, loff_t *ppos) | |
716 | { | |
f0fc8696 | 717 | char *buf; |
5e6e3a92 BZ |
718 | int ret = 0; |
719 | int offset = -1, bytes = -1; | |
720 | ||
f0fc8696 AV |
721 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
722 | if (IS_ERR(buf)) | |
723 | return PTR_ERR(buf); | |
5e6e3a92 BZ |
724 | |
725 | sscanf(buf, "%d %d", &offset, &bytes); | |
726 | ||
727 | if (offset == -1 || bytes == -1) { | |
728 | ret = -EINVAL; | |
729 | goto done; | |
730 | } else { | |
731 | saved_offset = offset; | |
732 | saved_bytes = bytes; | |
733 | ret = count; | |
734 | } | |
735 | done: | |
f0fc8696 | 736 | kfree(buf); |
5e6e3a92 BZ |
737 | return ret; |
738 | } | |
739 | ||
740 | /* | |
741 | * Proc rdeeprom read write handler. | |
742 | * | |
743 | * This function is called when the 'rdeeprom' file is opened for reading | |
744 | * | |
745 | * This function can be used to read from a RDEEPROM location. | |
746 | */ | |
747 | static ssize_t | |
748 | mwifiex_rdeeprom_read(struct file *file, char __user *ubuf, | |
749 | size_t count, loff_t *ppos) | |
750 | { | |
751 | struct mwifiex_private *priv = | |
752 | (struct mwifiex_private *) file->private_data; | |
753 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
754 | char *buf = (char *) addr; | |
1f9c6e1b | 755 | int pos, ret, i; |
5e6e3a92 BZ |
756 | u8 value[MAX_EEPROM_DATA]; |
757 | ||
758 | if (!buf) | |
759 | return -ENOMEM; | |
760 | ||
761 | if (saved_offset == -1) { | |
762 | /* No command has been given */ | |
1f9c6e1b | 763 | pos = snprintf(buf, PAGE_SIZE, "0"); |
5e6e3a92 BZ |
764 | goto done; |
765 | } | |
766 | ||
767 | /* Get command has been given */ | |
768 | ret = mwifiex_eeprom_read(priv, (u16) saved_offset, | |
769 | (u16) saved_bytes, value); | |
770 | if (ret) { | |
771 | ret = -EINVAL; | |
1f9c6e1b | 772 | goto out_free; |
5e6e3a92 BZ |
773 | } |
774 | ||
1f9c6e1b | 775 | pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes); |
5e6e3a92 BZ |
776 | |
777 | for (i = 0; i < saved_bytes; i++) | |
1f9c6e1b | 778 | pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]); |
5e6e3a92 BZ |
779 | |
780 | done: | |
1f9c6e1b DC |
781 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); |
782 | out_free: | |
5e6e3a92 BZ |
783 | free_page(addr); |
784 | return ret; | |
785 | } | |
786 | ||
937a5045 XH |
787 | /* Proc hscfg file write handler |
788 | * This function can be used to configure the host sleep parameters. | |
789 | */ | |
790 | static ssize_t | |
791 | mwifiex_hscfg_write(struct file *file, const char __user *ubuf, | |
792 | size_t count, loff_t *ppos) | |
793 | { | |
794 | struct mwifiex_private *priv = (void *)file->private_data; | |
f0fc8696 | 795 | char *buf; |
937a5045 XH |
796 | int ret, arg_num; |
797 | struct mwifiex_ds_hs_cfg hscfg; | |
798 | int conditions = HS_CFG_COND_DEF; | |
799 | u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF; | |
800 | ||
f0fc8696 AV |
801 | buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
802 | if (IS_ERR(buf)) | |
803 | return PTR_ERR(buf); | |
937a5045 XH |
804 | |
805 | arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap); | |
806 | ||
807 | memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg)); | |
808 | ||
809 | if (arg_num > 3) { | |
acebe8c1 ZL |
810 | mwifiex_dbg(priv->adapter, ERROR, |
811 | "Too many arguments\n"); | |
937a5045 XH |
812 | ret = -EINVAL; |
813 | goto done; | |
814 | } | |
815 | ||
816 | if (arg_num >= 1 && arg_num < 3) | |
817 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
818 | MWIFIEX_SYNC_CMD, &hscfg); | |
819 | ||
820 | if (arg_num) { | |
821 | if (conditions == HS_CFG_CANCEL) { | |
822 | mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD); | |
823 | ret = count; | |
824 | goto done; | |
825 | } | |
826 | hscfg.conditions = conditions; | |
827 | } | |
828 | if (arg_num >= 2) | |
829 | hscfg.gpio = gpio; | |
830 | if (arg_num == 3) | |
831 | hscfg.gap = gap; | |
832 | ||
833 | hscfg.is_invoke_hostcmd = false; | |
834 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, | |
835 | MWIFIEX_SYNC_CMD, &hscfg); | |
836 | ||
837 | mwifiex_enable_hs(priv->adapter); | |
838 | priv->adapter->hs_enabling = false; | |
839 | ret = count; | |
840 | done: | |
f0fc8696 | 841 | kfree(buf); |
937a5045 XH |
842 | return ret; |
843 | } | |
844 | ||
845 | /* Proc hscfg file read handler | |
846 | * This function can be used to read host sleep configuration | |
847 | * parameters from driver. | |
848 | */ | |
849 | static ssize_t | |
850 | mwifiex_hscfg_read(struct file *file, char __user *ubuf, | |
851 | size_t count, loff_t *ppos) | |
852 | { | |
853 | struct mwifiex_private *priv = (void *)file->private_data; | |
854 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
855 | char *buf = (char *)addr; | |
856 | int pos, ret; | |
857 | struct mwifiex_ds_hs_cfg hscfg; | |
858 | ||
859 | if (!buf) | |
860 | return -ENOMEM; | |
861 | ||
862 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
863 | MWIFIEX_SYNC_CMD, &hscfg); | |
864 | ||
865 | pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", hscfg.conditions, | |
866 | hscfg.gpio, hscfg.gap); | |
867 | ||
868 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
869 | ||
870 | free_page(addr); | |
871 | return ret; | |
872 | } | |
5e6e3a92 | 873 | |
46dbe247 AK |
874 | static ssize_t |
875 | mwifiex_timeshare_coex_read(struct file *file, char __user *ubuf, | |
876 | size_t count, loff_t *ppos) | |
877 | { | |
878 | struct mwifiex_private *priv = file->private_data; | |
879 | char buf[3]; | |
880 | bool timeshare_coex; | |
881 | int ret; | |
882 | unsigned int len; | |
883 | ||
884 | if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15) | |
885 | return -EOPNOTSUPP; | |
886 | ||
887 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX, | |
888 | HostCmd_ACT_GEN_GET, 0, ×hare_coex, true); | |
889 | if (ret) | |
890 | return ret; | |
891 | ||
892 | len = sprintf(buf, "%d\n", timeshare_coex); | |
893 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
894 | } | |
895 | ||
896 | static ssize_t | |
897 | mwifiex_timeshare_coex_write(struct file *file, const char __user *ubuf, | |
898 | size_t count, loff_t *ppos) | |
899 | { | |
900 | bool timeshare_coex; | |
901 | struct mwifiex_private *priv = file->private_data; | |
902 | char kbuf[16]; | |
903 | int ret; | |
904 | ||
905 | if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15) | |
906 | return -EOPNOTSUPP; | |
907 | ||
908 | memset(kbuf, 0, sizeof(kbuf)); | |
909 | ||
910 | if (copy_from_user(&kbuf, ubuf, min_t(size_t, sizeof(kbuf) - 1, count))) | |
911 | return -EFAULT; | |
912 | ||
913 | if (strtobool(kbuf, ×hare_coex)) | |
914 | return -EINVAL; | |
915 | ||
916 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX, | |
917 | HostCmd_ACT_GEN_SET, 0, ×hare_coex, true); | |
918 | if (ret) | |
919 | return ret; | |
920 | else | |
921 | return count; | |
922 | } | |
923 | ||
76ae3e26 AK |
924 | static ssize_t |
925 | mwifiex_reset_write(struct file *file, | |
926 | const char __user *ubuf, size_t count, loff_t *ppos) | |
927 | { | |
928 | struct mwifiex_private *priv = file->private_data; | |
929 | struct mwifiex_adapter *adapter = priv->adapter; | |
76ae3e26 | 930 | bool result; |
1404297e | 931 | int rc; |
76ae3e26 | 932 | |
1404297e KC |
933 | rc = kstrtobool_from_user(ubuf, count, &result); |
934 | if (rc) | |
935 | return rc; | |
76ae3e26 AK |
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 | } |