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libertas: convert ENABLE_RSN to a direct command
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / wireless / libertas / debugfs.c
blob44be3929c0274cf0ea95c6863614df330b45e16e
1 #include <linux/module.h>
2 #include <linux/dcache.h>
3 #include <linux/debugfs.h>
4 #include <linux/delay.h>
5 #include <linux/mm.h>
6 #include <linux/string.h>
7 #include <net/iw_handler.h>
8
9 #include "dev.h"
10 #include "decl.h"
11 #include "host.h"
12 #include "debugfs.h"
13 #include "cmd.h"
14
15 static struct dentry *lbs_dir;
16 static char *szStates[] = {
17 "Connected",
18 "Disconnected"
19 };
20
21 #ifdef PROC_DEBUG
22 static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev);
23 #endif
24
25 static int open_file_generic(struct inode *inode, struct file *file)
26 {
27 file->private_data = inode->i_private;
28 return 0;
29 }
30
31 static ssize_t write_file_dummy(struct file *file, const char __user *buf,
32 size_t count, loff_t *ppos)
33 {
34 return -EINVAL;
35 }
36
37 static const size_t len = PAGE_SIZE;
38
39 static ssize_t lbs_dev_info(struct file *file, char __user *userbuf,
40 size_t count, loff_t *ppos)
41 {
42 struct lbs_private *priv = file->private_data;
43 size_t pos = 0;
44 unsigned long addr = get_zeroed_page(GFP_KERNEL);
45 char *buf = (char *)addr;
46 ssize_t res;
47
48 pos += snprintf(buf+pos, len-pos, "state = %s\n",
49 szStates[priv->connect_status]);
50 pos += snprintf(buf+pos, len-pos, "region_code = %02x\n",
51 (u32) priv->regioncode);
52
53 res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
54
55 free_page(addr);
56 return res;
57 }
58
59
60 static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
61 size_t count, loff_t *ppos)
62 {
63 struct lbs_private *priv = file->private_data;
64 size_t pos = 0;
65 int numscansdone = 0, res;
66 unsigned long addr = get_zeroed_page(GFP_KERNEL);
67 char *buf = (char *)addr;
68 DECLARE_MAC_BUF(mac);
69 struct bss_descriptor * iter_bss;
70
71 pos += snprintf(buf+pos, len-pos,
72 "# | ch | rssi | bssid | cap | Qual | SSID \n");
73
74 mutex_lock(&priv->lock);
75 list_for_each_entry (iter_bss, &priv->network_list, list) {
76 u16 ibss = (iter_bss->capability & WLAN_CAPABILITY_IBSS);
77 u16 privacy = (iter_bss->capability & WLAN_CAPABILITY_PRIVACY);
78 u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
79
80 pos += snprintf(buf+pos, len-pos,
81 "%02u| %03d | %04ld | %s |",
82 numscansdone, iter_bss->channel, iter_bss->rssi,
83 print_mac(mac, iter_bss->bssid));
84 pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
85 pos += snprintf(buf+pos, len-pos, "%c%c%c |",
86 ibss ? 'A' : 'I', privacy ? 'P' : ' ',
87 spectrum_mgmt ? 'S' : ' ');
88 pos += snprintf(buf+pos, len-pos, " %04d |", SCAN_RSSI(iter_bss->rssi));
89 pos += snprintf(buf+pos, len-pos, " %s\n",
90 escape_essid(iter_bss->ssid, iter_bss->ssid_len));
91
92 numscansdone++;
93 }
94 mutex_unlock(&priv->lock);
95
96 res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
97
98 free_page(addr);
99 return res;
100 }
101
102 static ssize_t lbs_sleepparams_write(struct file *file,
103 const char __user *user_buf, size_t count,
104 loff_t *ppos)
105 {
106 struct lbs_private *priv = file->private_data;
107 ssize_t buf_size, ret;
108 struct sleep_params sp;
109 int p1, p2, p3, p4, p5, p6;
110 unsigned long addr = get_zeroed_page(GFP_KERNEL);
111 char *buf = (char *)addr;
112
113 buf_size = min(count, len - 1);
114 if (copy_from_user(buf, user_buf, buf_size)) {
115 ret = -EFAULT;
116 goto out_unlock;
117 }
118 ret = sscanf(buf, "%d %d %d %d %d %d", &p1, &p2, &p3, &p4, &p5, &p6);
119 if (ret != 6) {
120 ret = -EINVAL;
121 goto out_unlock;
122 }
123 sp.sp_error = p1;
124 sp.sp_offset = p2;
125 sp.sp_stabletime = p3;
126 sp.sp_calcontrol = p4;
127 sp.sp_extsleepclk = p5;
128 sp.sp_reserved = p6;
129
130 ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_SET, &sp);
131 if (!ret)
132 ret = count;
133 else if (ret > 0)
134 ret = -EINVAL;
135
136 out_unlock:
137 free_page(addr);
138 return ret;
139 }
140
141 static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf,
142 size_t count, loff_t *ppos)
143 {
144 struct lbs_private *priv = file->private_data;
145 ssize_t ret;
146 size_t pos = 0;
147 struct sleep_params sp;
148 unsigned long addr = get_zeroed_page(GFP_KERNEL);
149 char *buf = (char *)addr;
150
151 ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_GET, &sp);
152 if (ret)
153 goto out_unlock;
154
155 pos += snprintf(buf, len, "%d %d %d %d %d %d\n", sp.sp_error,
156 sp.sp_offset, sp.sp_stabletime,
157 sp.sp_calcontrol, sp.sp_extsleepclk,
158 sp.sp_reserved);
159
160 ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
161
162 out_unlock:
163 free_page(addr);
164 return ret;
165 }
166
167 static ssize_t lbs_extscan(struct file *file, const char __user *userbuf,
168 size_t count, loff_t *ppos)
169 {
170 struct lbs_private *priv = file->private_data;
171 ssize_t res, buf_size;
172 union iwreq_data wrqu;
173 unsigned long addr = get_zeroed_page(GFP_KERNEL);
174 char *buf = (char *)addr;
175
176 buf_size = min(count, len - 1);
177 if (copy_from_user(buf, userbuf, buf_size)) {
178 res = -EFAULT;
179 goto out_unlock;
180 }
181
182 lbs_send_specific_ssid_scan(priv, buf, strlen(buf)-1, 0);
183
184 memset(&wrqu, 0, sizeof(union iwreq_data));
185 wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
186
187 out_unlock:
188 free_page(addr);
189 return count;
190 }
191
192 static void lbs_parse_bssid(char *buf, size_t count,
193 struct lbs_ioctl_user_scan_cfg *scan_cfg)
194 {
195 char *hold;
196 unsigned int mac[ETH_ALEN];
197
198 hold = strstr(buf, "bssid=");
199 if (!hold)
200 return;
201 hold += 6;
202 sscanf(hold, "%02x:%02x:%02x:%02x:%02x:%02x",
203 mac, mac+1, mac+2, mac+3, mac+4, mac+5);
204 memcpy(scan_cfg->bssid, mac, ETH_ALEN);
205 }
206
207 static void lbs_parse_ssid(char *buf, size_t count,
208 struct lbs_ioctl_user_scan_cfg *scan_cfg)
209 {
210 char *hold, *end;
211 ssize_t size;
212
213 hold = strstr(buf, "ssid=");
214 if (!hold)
215 return;
216 hold += 5;
217 end = strchr(hold, ' ');
218 if (!end)
219 end = buf + count - 1;
220
221 size = min((size_t)IW_ESSID_MAX_SIZE, (size_t) (end - hold));
222 strncpy(scan_cfg->ssid, hold, size);
223
224 return;
225 }
226
227 static int lbs_parse_clear(char *buf, size_t count, const char *tag)
228 {
229 char *hold;
230 int val;
231
232 hold = strstr(buf, tag);
233 if (!hold)
234 return 0;
235 hold += strlen(tag);
236 sscanf(hold, "%d", &val);
237
238 if (val != 0)
239 val = 1;
240
241 return val;
242 }
243
244 static int lbs_parse_dur(char *buf, size_t count,
245 struct lbs_ioctl_user_scan_cfg *scan_cfg)
246 {
247 char *hold;
248 int val;
249
250 hold = strstr(buf, "dur=");
251 if (!hold)
252 return 0;
253 hold += 4;
254 sscanf(hold, "%d", &val);
255
256 return val;
257 }
258
259 static void lbs_parse_type(char *buf, size_t count,
260 struct lbs_ioctl_user_scan_cfg *scan_cfg)
261 {
262 char *hold;
263 int val;
264
265 hold = strstr(buf, "type=");
266 if (!hold)
267 return;
268 hold += 5;
269 sscanf(hold, "%d", &val);
270
271 /* type=1,2 or 3 */
272 if (val < 1 || val > 3)
273 return;
274
275 scan_cfg->bsstype = val;
276
277 return;
278 }
279
280 static ssize_t lbs_setuserscan(struct file *file,
281 const char __user *userbuf,
282 size_t count, loff_t *ppos)
283 {
284 struct lbs_private *priv = file->private_data;
285 ssize_t res, buf_size;
286 struct lbs_ioctl_user_scan_cfg *scan_cfg;
287 union iwreq_data wrqu;
288 int dur;
289 char *buf = (char *)get_zeroed_page(GFP_KERNEL);
290
291 if (!buf)
292 return -ENOMEM;
293
294 buf_size = min(count, len - 1);
295 if (copy_from_user(buf, userbuf, buf_size)) {
296 res = -EFAULT;
297 goto out_buf;
298 }
299
300 scan_cfg = kzalloc(sizeof(struct lbs_ioctl_user_scan_cfg), GFP_KERNEL);
301 if (!scan_cfg) {
302 res = -ENOMEM;
303 goto out_buf;
304 }
305 res = count;
306
307 scan_cfg->bsstype = LBS_SCAN_BSS_TYPE_ANY;
308
309 dur = lbs_parse_dur(buf, count, scan_cfg);
310 lbs_parse_bssid(buf, count, scan_cfg);
311 scan_cfg->clear_bssid = lbs_parse_clear(buf, count, "clear_bssid=");
312 lbs_parse_ssid(buf, count, scan_cfg);
313 scan_cfg->clear_ssid = lbs_parse_clear(buf, count, "clear_ssid=");
314 lbs_parse_type(buf, count, scan_cfg);
315
316 lbs_scan_networks(priv, scan_cfg, 1);
317 wait_event_interruptible(priv->cmd_pending,
318 priv->surpriseremoved || !priv->last_scanned_channel);
319
320 if (priv->surpriseremoved)
321 goto out_scan_cfg;
322
323 memset(&wrqu, 0x00, sizeof(union iwreq_data));
324 wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
325
326 out_scan_cfg:
327 kfree(scan_cfg);
328 out_buf:
329 free_page((unsigned long)buf);
330 return res;
331 }
332
333
334 /*
335 * When calling CMD_802_11_SUBSCRIBE_EVENT with CMD_ACT_GET, me might
336 * get a bunch of vendor-specific TLVs (a.k.a. IEs) back from the
337 * firmware. Here's an example:
338 * 04 01 02 00 00 00 05 01 02 00 00 00 06 01 02 00
339 * 00 00 07 01 02 00 3c 00 00 00 00 00 00 00 03 03
340 * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
341 *
342 * The 04 01 is the TLV type (here TLV_TYPE_RSSI_LOW), 02 00 is the length,
343 * 00 00 are the data bytes of this TLV. For this TLV, their meaning is
344 * defined in mrvlietypes_thresholds
345 *
346 * This function searches in this TLV data chunk for a given TLV type
347 * and returns a pointer to the first data byte of the TLV, or to NULL
348 * if the TLV hasn't been found.
349 */
350 static void *lbs_tlv_find(u16 tlv_type, const u8 *tlv, u16 size)
351 {
352 __le16 le_type = cpu_to_le16(tlv_type);
353 ssize_t pos = 0;
354 struct mrvlietypesheader *tlv_h;
355 while (pos < size) {
356 u16 length;
357 tlv_h = (struct mrvlietypesheader *) tlv;
358 if (tlv_h->type == le_type)
359 return tlv_h;
360 if (tlv_h->len == 0)
361 return NULL;
362 length = le16_to_cpu(tlv_h->len) +
363 sizeof(struct mrvlietypesheader);
364 pos += length;
365 tlv += length;
366 }
367 return NULL;
368 }
369
370
371 /*
372 * This just gets the bitmap of currently subscribed events. Used when
373 * adding an additonal event subscription.
374 */
375 static u16 lbs_get_events_bitmap(struct lbs_private *priv)
376 {
377 ssize_t res;
378
379 struct cmd_ds_802_11_subscribe_event *events = kzalloc(
380 sizeof(struct cmd_ds_802_11_subscribe_event),
381 GFP_KERNEL);
382
383 res = lbs_prepare_and_send_command(priv,
384 CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_GET,
385 CMD_OPTION_WAITFORRSP, 0, events);
386
387 if (res) {
388 kfree(events);
389 return 0;
390 }
391 return le16_to_cpu(events->events);
392 }
393
394
395 static ssize_t lbs_threshold_read(
396 u16 tlv_type, u16 event_mask,
397 struct file *file, char __user *userbuf,
398 size_t count, loff_t *ppos)
399 {
400 struct lbs_private *priv = file->private_data;
401 ssize_t res = 0;
402 size_t pos = 0;
403 unsigned long addr = get_zeroed_page(GFP_KERNEL);
404 char *buf = (char *)addr;
405 u8 value;
406 u8 freq;
407 int events = 0;
408
409 struct cmd_ds_802_11_subscribe_event *subscribed = kzalloc(
410 sizeof(struct cmd_ds_802_11_subscribe_event),
411 GFP_KERNEL);
412 struct mrvlietypes_thresholds *got;
413
414 res = lbs_prepare_and_send_command(priv,
415 CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_GET,
416 CMD_OPTION_WAITFORRSP, 0, subscribed);
417 if (res) {
418 kfree(subscribed);
419 return res;
420 }
421
422 got = lbs_tlv_find(tlv_type, subscribed->tlv, sizeof(subscribed->tlv));
423 if (got) {
424 value = got->value;
425 freq = got->freq;
426 events = le16_to_cpu(subscribed->events);
427 }
428 kfree(subscribed);
429
430 if (got)
431 pos += snprintf(buf, len, "%d %d %d\n", value, freq,
432 !!(events & event_mask));
433
434 res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
435
436 free_page(addr);
437 return res;
438 }
439
440
441 static ssize_t lbs_threshold_write(
442 u16 tlv_type, u16 event_mask,
443 struct file *file,
444 const char __user *userbuf,
445 size_t count, loff_t *ppos)
446 {
447 struct lbs_private *priv = file->private_data;
448 ssize_t res, buf_size;
449 int value, freq, curr_mask, new_mask;
450 unsigned long addr = get_zeroed_page(GFP_KERNEL);
451 char *buf = (char *)addr;
452 struct cmd_ds_802_11_subscribe_event *events;
453
454 buf_size = min(count, len - 1);
455 if (copy_from_user(buf, userbuf, buf_size)) {
456 res = -EFAULT;
457 goto out_unlock;
458 }
459 res = sscanf(buf, "%d %d %d", &value, &freq, &new_mask);
460 if (res != 3) {
461 res = -EFAULT;
462 goto out_unlock;
463 }
464 curr_mask = lbs_get_events_bitmap(priv);
465
466 if (new_mask)
467 new_mask = curr_mask | event_mask;
468 else
469 new_mask = curr_mask & ~event_mask;
470
471 /* Now everything is set and we can send stuff down to the firmware */
472 events = kzalloc(
473 sizeof(struct cmd_ds_802_11_subscribe_event),
474 GFP_KERNEL);
475 if (events) {
476 struct mrvlietypes_thresholds *tlv =
477 (struct mrvlietypes_thresholds *) events->tlv;
478 events->action = cpu_to_le16(CMD_ACT_SET);
479 events->events = cpu_to_le16(new_mask);
480 tlv->header.type = cpu_to_le16(tlv_type);
481 tlv->header.len = cpu_to_le16(
482 sizeof(struct mrvlietypes_thresholds) -
483 sizeof(struct mrvlietypesheader));
484 tlv->value = value;
485 if (tlv_type != TLV_TYPE_BCNMISS)
486 tlv->freq = freq;
487 lbs_prepare_and_send_command(priv,
488 CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_SET,
489 CMD_OPTION_WAITFORRSP, 0, events);
490 kfree(events);
491 }
492
493 res = count;
494 out_unlock:
495 free_page(addr);
496 return res;
497 }
498
499
500 static ssize_t lbs_lowrssi_read(
501 struct file *file, char __user *userbuf,
502 size_t count, loff_t *ppos)
503 {
504 return lbs_threshold_read(TLV_TYPE_RSSI_LOW, CMD_SUBSCRIBE_RSSI_LOW,
505 file, userbuf, count, ppos);
506 }
507
508
509 static ssize_t lbs_lowrssi_write(
510 struct file *file, const char __user *userbuf,
511 size_t count, loff_t *ppos)
512 {
513 return lbs_threshold_write(TLV_TYPE_RSSI_LOW, CMD_SUBSCRIBE_RSSI_LOW,
514 file, userbuf, count, ppos);
515 }
516
517
518 static ssize_t lbs_lowsnr_read(
519 struct file *file, char __user *userbuf,
520 size_t count, loff_t *ppos)
521 {
522 return lbs_threshold_read(TLV_TYPE_SNR_LOW, CMD_SUBSCRIBE_SNR_LOW,
523 file, userbuf, count, ppos);
524 }
525
526
527 static ssize_t lbs_lowsnr_write(
528 struct file *file, const char __user *userbuf,
529 size_t count, loff_t *ppos)
530 {
531 return lbs_threshold_write(TLV_TYPE_SNR_LOW, CMD_SUBSCRIBE_SNR_LOW,
532 file, userbuf, count, ppos);
533 }
534
535
536 static ssize_t lbs_failcount_read(
537 struct file *file, char __user *userbuf,
538 size_t count, loff_t *ppos)
539 {
540 return lbs_threshold_read(TLV_TYPE_FAILCOUNT, CMD_SUBSCRIBE_FAILCOUNT,
541 file, userbuf, count, ppos);
542 }
543
544
545 static ssize_t lbs_failcount_write(
546 struct file *file, const char __user *userbuf,
547 size_t count, loff_t *ppos)
548 {
549 return lbs_threshold_write(TLV_TYPE_FAILCOUNT, CMD_SUBSCRIBE_FAILCOUNT,
550 file, userbuf, count, ppos);
551 }
552
553
554 static ssize_t lbs_highrssi_read(
555 struct file *file, char __user *userbuf,
556 size_t count, loff_t *ppos)
557 {
558 return lbs_threshold_read(TLV_TYPE_RSSI_HIGH, CMD_SUBSCRIBE_RSSI_HIGH,
559 file, userbuf, count, ppos);
560 }
561
562
563 static ssize_t lbs_highrssi_write(
564 struct file *file, const char __user *userbuf,
565 size_t count, loff_t *ppos)
566 {
567 return lbs_threshold_write(TLV_TYPE_RSSI_HIGH, CMD_SUBSCRIBE_RSSI_HIGH,
568 file, userbuf, count, ppos);
569 }
570
571
572 static ssize_t lbs_highsnr_read(
573 struct file *file, char __user *userbuf,
574 size_t count, loff_t *ppos)
575 {
576 return lbs_threshold_read(TLV_TYPE_SNR_HIGH, CMD_SUBSCRIBE_SNR_HIGH,
577 file, userbuf, count, ppos);
578 }
579
580
581 static ssize_t lbs_highsnr_write(
582 struct file *file, const char __user *userbuf,
583 size_t count, loff_t *ppos)
584 {
585 return lbs_threshold_write(TLV_TYPE_SNR_HIGH, CMD_SUBSCRIBE_SNR_HIGH,
586 file, userbuf, count, ppos);
587 }
588
589 static ssize_t lbs_bcnmiss_read(
590 struct file *file, char __user *userbuf,
591 size_t count, loff_t *ppos)
592 {
593 return lbs_threshold_read(TLV_TYPE_BCNMISS, CMD_SUBSCRIBE_BCNMISS,
594 file, userbuf, count, ppos);
595 }
596
597
598 static ssize_t lbs_bcnmiss_write(
599 struct file *file, const char __user *userbuf,
600 size_t count, loff_t *ppos)
601 {
602 return lbs_threshold_write(TLV_TYPE_BCNMISS, CMD_SUBSCRIBE_BCNMISS,
603 file, userbuf, count, ppos);
604 }
605
606
607
608
609
610
611
612
613 static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
614 size_t count, loff_t *ppos)
615 {
616 struct lbs_private *priv = file->private_data;
617 struct lbs_offset_value offval;
618 ssize_t pos = 0;
619 int ret;
620 unsigned long addr = get_zeroed_page(GFP_KERNEL);
621 char *buf = (char *)addr;
622
623 offval.offset = priv->mac_offset;
624 offval.value = 0;
625
626 ret = lbs_prepare_and_send_command(priv,
627 CMD_MAC_REG_ACCESS, 0,
628 CMD_OPTION_WAITFORRSP, 0, &offval);
629 mdelay(10);
630 pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
631 priv->mac_offset, priv->offsetvalue.value);
632
633 ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
634 free_page(addr);
635 return ret;
636 }
637
638 static ssize_t lbs_rdmac_write(struct file *file,
639 const char __user *userbuf,
640 size_t count, loff_t *ppos)
641 {
642 struct lbs_private *priv = file->private_data;
643 ssize_t res, buf_size;
644 unsigned long addr = get_zeroed_page(GFP_KERNEL);
645 char *buf = (char *)addr;
646
647 buf_size = min(count, len - 1);
648 if (copy_from_user(buf, userbuf, buf_size)) {
649 res = -EFAULT;
650 goto out_unlock;
651 }
652 priv->mac_offset = simple_strtoul((char *)buf, NULL, 16);
653 res = count;
654 out_unlock:
655 free_page(addr);
656 return res;
657 }
658
659 static ssize_t lbs_wrmac_write(struct file *file,
660 const char __user *userbuf,
661 size_t count, loff_t *ppos)
662 {
663
664 struct lbs_private *priv = file->private_data;
665 ssize_t res, buf_size;
666 u32 offset, value;
667 struct lbs_offset_value offval;
668 unsigned long addr = get_zeroed_page(GFP_KERNEL);
669 char *buf = (char *)addr;
670
671 buf_size = min(count, len - 1);
672 if (copy_from_user(buf, userbuf, buf_size)) {
673 res = -EFAULT;
674 goto out_unlock;
675 }
676 res = sscanf(buf, "%x %x", &offset, &value);
677 if (res != 2) {
678 res = -EFAULT;
679 goto out_unlock;
680 }
681
682 offval.offset = offset;
683 offval.value = value;
684 res = lbs_prepare_and_send_command(priv,
685 CMD_MAC_REG_ACCESS, 1,
686 CMD_OPTION_WAITFORRSP, 0, &offval);
687 mdelay(10);
688
689 res = count;
690 out_unlock:
691 free_page(addr);
692 return res;
693 }
694
695 static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
696 size_t count, loff_t *ppos)
697 {
698 struct lbs_private *priv = file->private_data;
699 struct lbs_offset_value offval;
700 ssize_t pos = 0;
701 int ret;
702 unsigned long addr = get_zeroed_page(GFP_KERNEL);
703 char *buf = (char *)addr;
704
705 offval.offset = priv->bbp_offset;
706 offval.value = 0;
707
708 ret = lbs_prepare_and_send_command(priv,
709 CMD_BBP_REG_ACCESS, 0,
710 CMD_OPTION_WAITFORRSP, 0, &offval);
711 mdelay(10);
712 pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
713 priv->bbp_offset, priv->offsetvalue.value);
714
715 ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
716 free_page(addr);
717
718 return ret;
719 }
720
721 static ssize_t lbs_rdbbp_write(struct file *file,
722 const char __user *userbuf,
723 size_t count, loff_t *ppos)
724 {
725 struct lbs_private *priv = file->private_data;
726 ssize_t res, buf_size;
727 unsigned long addr = get_zeroed_page(GFP_KERNEL);
728 char *buf = (char *)addr;
729
730 buf_size = min(count, len - 1);
731 if (copy_from_user(buf, userbuf, buf_size)) {
732 res = -EFAULT;
733 goto out_unlock;
734 }
735 priv->bbp_offset = simple_strtoul((char *)buf, NULL, 16);
736 res = count;
737 out_unlock:
738 free_page(addr);
739 return res;
740 }
741
742 static ssize_t lbs_wrbbp_write(struct file *file,
743 const char __user *userbuf,
744 size_t count, loff_t *ppos)
745 {
746
747 struct lbs_private *priv = file->private_data;
748 ssize_t res, buf_size;
749 u32 offset, value;
750 struct lbs_offset_value offval;
751 unsigned long addr = get_zeroed_page(GFP_KERNEL);
752 char *buf = (char *)addr;
753
754 buf_size = min(count, len - 1);
755 if (copy_from_user(buf, userbuf, buf_size)) {
756 res = -EFAULT;
757 goto out_unlock;
758 }
759 res = sscanf(buf, "%x %x", &offset, &value);
760 if (res != 2) {
761 res = -EFAULT;
762 goto out_unlock;
763 }
764
765 offval.offset = offset;
766 offval.value = value;
767 res = lbs_prepare_and_send_command(priv,
768 CMD_BBP_REG_ACCESS, 1,
769 CMD_OPTION_WAITFORRSP, 0, &offval);
770 mdelay(10);
771
772 res = count;
773 out_unlock:
774 free_page(addr);
775 return res;
776 }
777
778 static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
779 size_t count, loff_t *ppos)
780 {
781 struct lbs_private *priv = file->private_data;
782 struct lbs_offset_value offval;
783 ssize_t pos = 0;
784 int ret;
785 unsigned long addr = get_zeroed_page(GFP_KERNEL);
786 char *buf = (char *)addr;
787
788 offval.offset = priv->rf_offset;
789 offval.value = 0;
790
791 ret = lbs_prepare_and_send_command(priv,
792 CMD_RF_REG_ACCESS, 0,
793 CMD_OPTION_WAITFORRSP, 0, &offval);
794 mdelay(10);
795 pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
796 priv->rf_offset, priv->offsetvalue.value);
797
798 ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
799 free_page(addr);
800
801 return ret;
802 }
803
804 static ssize_t lbs_rdrf_write(struct file *file,
805 const char __user *userbuf,
806 size_t count, loff_t *ppos)
807 {
808 struct lbs_private *priv = file->private_data;
809 ssize_t res, buf_size;
810 unsigned long addr = get_zeroed_page(GFP_KERNEL);
811 char *buf = (char *)addr;
812
813 buf_size = min(count, len - 1);
814 if (copy_from_user(buf, userbuf, buf_size)) {
815 res = -EFAULT;
816 goto out_unlock;
817 }
818 priv->rf_offset = simple_strtoul((char *)buf, NULL, 16);
819 res = count;
820 out_unlock:
821 free_page(addr);
822 return res;
823 }
824
825 static ssize_t lbs_wrrf_write(struct file *file,
826 const char __user *userbuf,
827 size_t count, loff_t *ppos)
828 {
829
830 struct lbs_private *priv = file->private_data;
831 ssize_t res, buf_size;
832 u32 offset, value;
833 struct lbs_offset_value offval;
834 unsigned long addr = get_zeroed_page(GFP_KERNEL);
835 char *buf = (char *)addr;
836
837 buf_size = min(count, len - 1);
838 if (copy_from_user(buf, userbuf, buf_size)) {
839 res = -EFAULT;
840 goto out_unlock;
841 }
842 res = sscanf(buf, "%x %x", &offset, &value);
843 if (res != 2) {
844 res = -EFAULT;
845 goto out_unlock;
846 }
847
848 offval.offset = offset;
849 offval.value = value;
850 res = lbs_prepare_and_send_command(priv,
851 CMD_RF_REG_ACCESS, 1,
852 CMD_OPTION_WAITFORRSP, 0, &offval);
853 mdelay(10);
854
855 res = count;
856 out_unlock:
857 free_page(addr);
858 return res;
859 }
860
861 #define FOPS(fread, fwrite) { \
862 .owner = THIS_MODULE, \
863 .open = open_file_generic, \
864 .read = (fread), \
865 .write = (fwrite), \
866 }
867
868 struct lbs_debugfs_files {
869 char *name;
870 int perm;
871 struct file_operations fops;
872 };
873
874 static struct lbs_debugfs_files debugfs_files[] = {
875 { "info", 0444, FOPS(lbs_dev_info, write_file_dummy), },
876 { "getscantable", 0444, FOPS(lbs_getscantable,
877 write_file_dummy), },
878 { "sleepparams", 0644, FOPS(lbs_sleepparams_read,
879 lbs_sleepparams_write), },
880 { "extscan", 0600, FOPS(NULL, lbs_extscan), },
881 { "setuserscan", 0600, FOPS(NULL, lbs_setuserscan), },
882 };
883
884 static struct lbs_debugfs_files debugfs_events_files[] = {
885 {"low_rssi", 0644, FOPS(lbs_lowrssi_read,
886 lbs_lowrssi_write), },
887 {"low_snr", 0644, FOPS(lbs_lowsnr_read,
888 lbs_lowsnr_write), },
889 {"failure_count", 0644, FOPS(lbs_failcount_read,
890 lbs_failcount_write), },
891 {"beacon_missed", 0644, FOPS(lbs_bcnmiss_read,
892 lbs_bcnmiss_write), },
893 {"high_rssi", 0644, FOPS(lbs_highrssi_read,
894 lbs_highrssi_write), },
895 {"high_snr", 0644, FOPS(lbs_highsnr_read,
896 lbs_highsnr_write), },
897 };
898
899 static struct lbs_debugfs_files debugfs_regs_files[] = {
900 {"rdmac", 0644, FOPS(lbs_rdmac_read, lbs_rdmac_write), },
901 {"wrmac", 0600, FOPS(NULL, lbs_wrmac_write), },
902 {"rdbbp", 0644, FOPS(lbs_rdbbp_read, lbs_rdbbp_write), },
903 {"wrbbp", 0600, FOPS(NULL, lbs_wrbbp_write), },
904 {"rdrf", 0644, FOPS(lbs_rdrf_read, lbs_rdrf_write), },
905 {"wrrf", 0600, FOPS(NULL, lbs_wrrf_write), },
906 };
907
908 void lbs_debugfs_init(void)
909 {
910 if (!lbs_dir)
911 lbs_dir = debugfs_create_dir("lbs_wireless", NULL);
912
913 return;
914 }
915
916 void lbs_debugfs_remove(void)
917 {
918 if (lbs_dir)
919 debugfs_remove(lbs_dir);
920 return;
921 }
922
923 void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
924 {
925 int i;
926 struct lbs_debugfs_files *files;
927 if (!lbs_dir)
928 goto exit;
929
930 priv->debugfs_dir = debugfs_create_dir(dev->name, lbs_dir);
931 if (!priv->debugfs_dir)
932 goto exit;
933
934 for (i=0; i<ARRAY_SIZE(debugfs_files); i++) {
935 files = &debugfs_files[i];
936 priv->debugfs_files[i] = debugfs_create_file(files->name,
937 files->perm,
938 priv->debugfs_dir,
939 priv,
940 &files->fops);
941 }
942
943 priv->events_dir = debugfs_create_dir("subscribed_events", priv->debugfs_dir);
944 if (!priv->events_dir)
945 goto exit;
946
947 for (i=0; i<ARRAY_SIZE(debugfs_events_files); i++) {
948 files = &debugfs_events_files[i];
949 priv->debugfs_events_files[i] = debugfs_create_file(files->name,
950 files->perm,
951 priv->events_dir,
952 priv,
953 &files->fops);
954 }
955
956 priv->regs_dir = debugfs_create_dir("registers", priv->debugfs_dir);
957 if (!priv->regs_dir)
958 goto exit;
959
960 for (i=0; i<ARRAY_SIZE(debugfs_regs_files); i++) {
961 files = &debugfs_regs_files[i];
962 priv->debugfs_regs_files[i] = debugfs_create_file(files->name,
963 files->perm,
964 priv->regs_dir,
965 priv,
966 &files->fops);
967 }
968
969 #ifdef PROC_DEBUG
970 lbs_debug_init(priv, dev);
971 #endif
972 exit:
973 return;
974 }
975
976 void lbs_debugfs_remove_one(struct lbs_private *priv)
977 {
978 int i;
979
980 for(i=0; i<ARRAY_SIZE(debugfs_regs_files); i++)
981 debugfs_remove(priv->debugfs_regs_files[i]);
982
983 debugfs_remove(priv->regs_dir);
984
985 for(i=0; i<ARRAY_SIZE(debugfs_events_files); i++)
986 debugfs_remove(priv->debugfs_events_files[i]);
987
988 debugfs_remove(priv->events_dir);
989 #ifdef PROC_DEBUG
990 debugfs_remove(priv->debugfs_debug);
991 #endif
992 for(i=0; i<ARRAY_SIZE(debugfs_files); i++)
993 debugfs_remove(priv->debugfs_files[i]);
994 debugfs_remove(priv->debugfs_dir);
995 }
996
997
998
999 /* debug entry */
1000
1001 #ifdef PROC_DEBUG
1002
1003 #define item_size(n) (FIELD_SIZEOF(struct lbs_private, n))
1004 #define item_addr(n) (offsetof(struct lbs_private, n))
1005
1006
1007 struct debug_data {
1008 char name[32];
1009 u32 size;
1010 size_t addr;
1011 };
1012
1013 /* To debug any member of struct lbs_private, simply add one line here.
1014 */
1015 static struct debug_data items[] = {
1016 {"intcounter", item_size(intcounter), item_addr(intcounter)},
1017 {"psmode", item_size(psmode), item_addr(psmode)},
1018 {"psstate", item_size(psstate), item_addr(psstate)},
1019 };
1020
1021 static int num_of_items = ARRAY_SIZE(items);
1022
1023 /**
1024 * @brief proc read function
1025 *
1026 * @param page pointer to buffer
1027 * @param s read data starting position
1028 * @param off offset
1029 * @param cnt counter
1030 * @param eof end of file flag
1031 * @param data data to output
1032 * @return number of output data
1033 */
1034 static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf,
1035 size_t count, loff_t *ppos)
1036 {
1037 int val = 0;
1038 size_t pos = 0;
1039 ssize_t res;
1040 char *p;
1041 int i;
1042 struct debug_data *d;
1043 unsigned long addr = get_zeroed_page(GFP_KERNEL);
1044 char *buf = (char *)addr;
1045
1046 p = buf;
1047
1048 d = (struct debug_data *)file->private_data;
1049
1050 for (i = 0; i < num_of_items; i++) {
1051 if (d[i].size == 1)
1052 val = *((u8 *) d[i].addr);
1053 else if (d[i].size == 2)
1054 val = *((u16 *) d[i].addr);
1055 else if (d[i].size == 4)
1056 val = *((u32 *) d[i].addr);
1057 else if (d[i].size == 8)
1058 val = *((u64 *) d[i].addr);
1059
1060 pos += sprintf(p + pos, "%s=%d\n", d[i].name, val);
1061 }
1062
1063 res = simple_read_from_buffer(userbuf, count, ppos, p, pos);
1064
1065 free_page(addr);
1066 return res;
1067 }
1068
1069 /**
1070 * @brief proc write function
1071 *
1072 * @param f file pointer
1073 * @param buf pointer to data buffer
1074 * @param cnt data number to write
1075 * @param data data to write
1076 * @return number of data
1077 */
1078 static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
1079 size_t cnt, loff_t *ppos)
1080 {
1081 int r, i;
1082 char *pdata;
1083 char *p;
1084 char *p0;
1085 char *p1;
1086 char *p2;
1087 struct debug_data *d = (struct debug_data *)f->private_data;
1088
1089 pdata = kmalloc(cnt, GFP_KERNEL);
1090 if (pdata == NULL)
1091 return 0;
1092
1093 if (copy_from_user(pdata, buf, cnt)) {
1094 lbs_deb_debugfs("Copy from user failed\n");
1095 kfree(pdata);
1096 return 0;
1097 }
1098
1099 p0 = pdata;
1100 for (i = 0; i < num_of_items; i++) {
1101 do {
1102 p = strstr(p0, d[i].name);
1103 if (p == NULL)
1104 break;
1105 p1 = strchr(p, '\n');
1106 if (p1 == NULL)
1107 break;
1108 p0 = p1++;
1109 p2 = strchr(p, '=');
1110 if (!p2)
1111 break;
1112 p2++;
1113 r = simple_strtoul(p2, NULL, 0);
1114 if (d[i].size == 1)
1115 *((u8 *) d[i].addr) = (u8) r;
1116 else if (d[i].size == 2)
1117 *((u16 *) d[i].addr) = (u16) r;
1118 else if (d[i].size == 4)
1119 *((u32 *) d[i].addr) = (u32) r;
1120 else if (d[i].size == 8)
1121 *((u64 *) d[i].addr) = (u64) r;
1122 break;
1123 } while (1);
1124 }
1125 kfree(pdata);
1126
1127 return (ssize_t)cnt;
1128 }
1129
1130 static struct file_operations lbs_debug_fops = {
1131 .owner = THIS_MODULE,
1132 .open = open_file_generic,
1133 .write = lbs_debugfs_write,
1134 .read = lbs_debugfs_read,
1135 };
1136
1137 /**
1138 * @brief create debug proc file
1139 *
1140 * @param priv pointer struct lbs_private
1141 * @param dev pointer net_device
1142 * @return N/A
1143 */
1144 static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev)
1145 {
1146 int i;
1147
1148 if (!priv->debugfs_dir)
1149 return;
1150
1151 for (i = 0; i < num_of_items; i++)
1152 items[i].addr += (size_t) priv;
1153
1154 priv->debugfs_debug = debugfs_create_file("debug", 0644,
1155 priv->debugfs_dir, &items[0],
1156 &lbs_debug_fops);
1157 }
1158 #endif
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