1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18#include "core.h"
19
20#include <linux/skbuff.h>
21#include <linux/fs.h>
22#include <linux/vmalloc.h>
23#include <linux/export.h>
24
25#include "debug.h"
26#include "target.h"
27
28struct ath6kl_fwlog_slot {
29 __le32 timestamp;
30 __le32 length;
31
32
33 u8 payload[];
34};
35
36#define ATH6KL_FWLOG_MAX_ENTRIES 20
37
38#define ATH6KL_FWLOG_VALID_MASK 0x1ffff
39
40void ath6kl_printk(const char *level, const char *fmt, ...)
41{
42 struct va_format vaf;
43 va_list args;
44
45 va_start(args, fmt);
46
47 vaf.fmt = fmt;
48 vaf.va = &args;
49
50 printk("%sath6kl: %pV", level, &vaf);
51
52 va_end(args);
53}
54EXPORT_SYMBOL(ath6kl_printk);
55
56void ath6kl_info(const char *fmt, ...)
57{
58 struct va_format vaf = {
59 .fmt = fmt,
60 };
61 va_list args;
62
63 va_start(args, fmt);
64 vaf.va = &args;
65 ath6kl_printk(KERN_INFO, "%pV", &vaf);
66 trace_ath6kl_log_info(&vaf);
67 va_end(args);
68}
69EXPORT_SYMBOL(ath6kl_info);
70
71void ath6kl_err(const char *fmt, ...)
72{
73 struct va_format vaf = {
74 .fmt = fmt,
75 };
76 va_list args;
77
78 va_start(args, fmt);
79 vaf.va = &args;
80 ath6kl_printk(KERN_ERR, "%pV", &vaf);
81 trace_ath6kl_log_err(&vaf);
82 va_end(args);
83}
84EXPORT_SYMBOL(ath6kl_err);
85
86void ath6kl_warn(const char *fmt, ...)
87{
88 struct va_format vaf = {
89 .fmt = fmt,
90 };
91 va_list args;
92
93 va_start(args, fmt);
94 vaf.va = &args;
95 ath6kl_printk(KERN_WARNING, "%pV", &vaf);
96 trace_ath6kl_log_warn(&vaf);
97 va_end(args);
98}
99EXPORT_SYMBOL(ath6kl_warn);
100
101int ath6kl_read_tgt_stats(struct ath6kl *ar, struct ath6kl_vif *vif)
102{
103 long left;
104
105 if (down_interruptible(&ar->sem))
106 return -EBUSY;
107
108 set_bit(STATS_UPDATE_PEND, &vif->flags);
109
110 if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) {
111 up(&ar->sem);
112 return -EIO;
113 }
114
115 left = wait_event_interruptible_timeout(ar->event_wq,
116 !test_bit(STATS_UPDATE_PEND,
117 &vif->flags), WMI_TIMEOUT);
118
119 up(&ar->sem);
120
121 if (left <= 0)
122 return -ETIMEDOUT;
123
124 return 0;
125}
126EXPORT_SYMBOL(ath6kl_read_tgt_stats);
127
128#ifdef CONFIG_ATH6KL_DEBUG
129
130void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)
131{
132 struct va_format vaf;
133 va_list args;
134
135 va_start(args, fmt);
136
137 vaf.fmt = fmt;
138 vaf.va = &args;
139
140 if (debug_mask & mask)
141 ath6kl_printk(KERN_DEBUG, "%pV", &vaf);
142
143 trace_ath6kl_log_dbg(mask, &vaf);
144
145 va_end(args);
146}
147EXPORT_SYMBOL(ath6kl_dbg);
148
149void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,
150 const char *msg, const char *prefix,
151 const void *buf, size_t len)
152{
153 if (debug_mask & mask) {
154 if (msg)
155 ath6kl_dbg(mask, "%s\n", msg);
156
157 print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
158 }
159
160
161 trace_ath6kl_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
162 buf, len);
163}
164EXPORT_SYMBOL(ath6kl_dbg_dump);
165
166#define REG_OUTPUT_LEN_PER_LINE 25
167#define REGTYPE_STR_LEN 100
168
169struct ath6kl_diag_reg_info {
170 u32 reg_start;
171 u32 reg_end;
172 const char *reg_info;
173};
174
175static const struct ath6kl_diag_reg_info diag_reg[] = {
176 { 0x20000, 0x200fc, "General DMA and Rx registers" },
177 { 0x28000, 0x28900, "MAC PCU register & keycache" },
178 { 0x20800, 0x20a40, "QCU" },
179 { 0x21000, 0x212f0, "DCU" },
180 { 0x4000, 0x42e4, "RTC" },
181 { 0x540000, 0x540000 + (256 * 1024), "RAM" },
182 { 0x29800, 0x2B210, "Base Band" },
183 { 0x1C000, 0x1C748, "Analog" },
184};
185
186void ath6kl_dump_registers(struct ath6kl_device *dev,
187 struct ath6kl_irq_proc_registers *irq_proc_reg,
188 struct ath6kl_irq_enable_reg *irq_enable_reg)
189{
190 ath6kl_dbg(ATH6KL_DBG_IRQ, ("<------- Register Table -------->\n"));
191
192 if (irq_proc_reg != NULL) {
193 ath6kl_dbg(ATH6KL_DBG_IRQ,
194 "Host Int status: 0x%x\n",
195 irq_proc_reg->host_int_status);
196 ath6kl_dbg(ATH6KL_DBG_IRQ,
197 "CPU Int status: 0x%x\n",
198 irq_proc_reg->cpu_int_status);
199 ath6kl_dbg(ATH6KL_DBG_IRQ,
200 "Error Int status: 0x%x\n",
201 irq_proc_reg->error_int_status);
202 ath6kl_dbg(ATH6KL_DBG_IRQ,
203 "Counter Int status: 0x%x\n",
204 irq_proc_reg->counter_int_status);
205 ath6kl_dbg(ATH6KL_DBG_IRQ,
206 "Mbox Frame: 0x%x\n",
207 irq_proc_reg->mbox_frame);
208 ath6kl_dbg(ATH6KL_DBG_IRQ,
209 "Rx Lookahead Valid: 0x%x\n",
210 irq_proc_reg->rx_lkahd_valid);
211 ath6kl_dbg(ATH6KL_DBG_IRQ,
212 "Rx Lookahead 0: 0x%x\n",
213 irq_proc_reg->rx_lkahd[0]);
214 ath6kl_dbg(ATH6KL_DBG_IRQ,
215 "Rx Lookahead 1: 0x%x\n",
216 irq_proc_reg->rx_lkahd[1]);
217
218 if (dev->ar->mbox_info.gmbox_addr != 0) {
219
220
221
222
223 ath6kl_dbg(ATH6KL_DBG_IRQ,
224 "GMBOX Host Int status 2: 0x%x\n",
225 irq_proc_reg->host_int_status2);
226 ath6kl_dbg(ATH6KL_DBG_IRQ,
227 "GMBOX RX Avail: 0x%x\n",
228 irq_proc_reg->gmbox_rx_avail);
229 ath6kl_dbg(ATH6KL_DBG_IRQ,
230 "GMBOX lookahead alias 0: 0x%x\n",
231 irq_proc_reg->rx_gmbox_lkahd_alias[0]);
232 ath6kl_dbg(ATH6KL_DBG_IRQ,
233 "GMBOX lookahead alias 1: 0x%x\n",
234 irq_proc_reg->rx_gmbox_lkahd_alias[1]);
235 }
236 }
237
238 if (irq_enable_reg != NULL) {
239 ath6kl_dbg(ATH6KL_DBG_IRQ,
240 "Int status Enable: 0x%x\n",
241 irq_enable_reg->int_status_en);
242 ath6kl_dbg(ATH6KL_DBG_IRQ, "Counter Int status Enable: 0x%x\n",
243 irq_enable_reg->cntr_int_status_en);
244 }
245 ath6kl_dbg(ATH6KL_DBG_IRQ, "<------------------------------->\n");
246}
247
248static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)
249{
250 ath6kl_dbg(ATH6KL_DBG_CREDIT,
251 "--- endpoint: %d svc_id: 0x%X ---\n",
252 ep_dist->endpoint, ep_dist->svc_id);
253 ath6kl_dbg(ATH6KL_DBG_CREDIT, " dist_flags : 0x%X\n",
254 ep_dist->dist_flags);
255 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_norm : %d\n",
256 ep_dist->cred_norm);
257 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_min : %d\n",
258 ep_dist->cred_min);
259 ath6kl_dbg(ATH6KL_DBG_CREDIT, " credits : %d\n",
260 ep_dist->credits);
261 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_assngd : %d\n",
262 ep_dist->cred_assngd);
263 ath6kl_dbg(ATH6KL_DBG_CREDIT, " seek_cred : %d\n",
264 ep_dist->seek_cred);
265 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_sz : %d\n",
266 ep_dist->cred_sz);
267 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_per_msg : %d\n",
268 ep_dist->cred_per_msg);
269 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_to_dist : %d\n",
270 ep_dist->cred_to_dist);
271 ath6kl_dbg(ATH6KL_DBG_CREDIT, " txq_depth : %d\n",
272 get_queue_depth(&ep_dist->htc_ep->txq));
273 ath6kl_dbg(ATH6KL_DBG_CREDIT,
274 "----------------------------------\n");
275}
276
277
278void dump_cred_dist_stats(struct htc_target *target)
279{
280 struct htc_endpoint_credit_dist *ep_list;
281
282 list_for_each_entry(ep_list, &target->cred_dist_list, list)
283 dump_cred_dist(ep_list);
284
285 ath6kl_dbg(ATH6KL_DBG_CREDIT,
286 "credit distribution total %d free %d\n",
287 target->credit_info->total_avail_credits,
288 target->credit_info->cur_free_credits);
289}
290
291void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war)
292{
293 switch (war) {
294 case ATH6KL_WAR_INVALID_RATE:
295 ar->debug.war_stats.invalid_rate++;
296 break;
297 }
298}
299
300static ssize_t read_file_war_stats(struct file *file, char __user *user_buf,
301 size_t count, loff_t *ppos)
302{
303 struct ath6kl *ar = file->private_data;
304 char *buf;
305 unsigned int len = 0, buf_len = 1500;
306 ssize_t ret_cnt;
307
308 buf = kzalloc(buf_len, GFP_KERNEL);
309 if (!buf)
310 return -ENOMEM;
311
312 len += scnprintf(buf + len, buf_len - len, "\n");
313 len += scnprintf(buf + len, buf_len - len, "%25s\n",
314 "Workaround stats");
315 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
316 "=================");
317 len += scnprintf(buf + len, buf_len - len, "%20s %10u\n",
318 "Invalid rates", ar->debug.war_stats.invalid_rate);
319
320 if (WARN_ON(len > buf_len))
321 len = buf_len;
322
323 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
324
325 kfree(buf);
326 return ret_cnt;
327}
328
329static const struct file_operations fops_war_stats = {
330 .read = read_file_war_stats,
331 .open = simple_open,
332 .owner = THIS_MODULE,
333 .llseek = default_llseek,
334};
335
336void ath6kl_debug_fwlog_event(struct ath6kl *ar, const void *buf, size_t len)
337{
338 struct ath6kl_fwlog_slot *slot;
339 struct sk_buff *skb;
340 size_t slot_len;
341
342 if (WARN_ON(len > ATH6KL_FWLOG_PAYLOAD_SIZE))
343 return;
344
345 slot_len = sizeof(*slot) + ATH6KL_FWLOG_PAYLOAD_SIZE;
346
347 skb = alloc_skb(slot_len, GFP_KERNEL);
348 if (!skb)
349 return;
350
351 slot = skb_put(skb, slot_len);
352 slot->timestamp = cpu_to_le32(jiffies);
353 slot->length = cpu_to_le32(len);
354 memcpy(slot->payload, buf, len);
355
356
357 memset(slot->payload + len, 0, ATH6KL_FWLOG_PAYLOAD_SIZE - len);
358
359 spin_lock(&ar->debug.fwlog_queue.lock);
360
361 __skb_queue_tail(&ar->debug.fwlog_queue, skb);
362 complete(&ar->debug.fwlog_completion);
363
364
365 while (skb_queue_len(&ar->debug.fwlog_queue) >
366 ATH6KL_FWLOG_MAX_ENTRIES) {
367 skb = __skb_dequeue(&ar->debug.fwlog_queue);
368 kfree_skb(skb);
369 }
370
371 spin_unlock(&ar->debug.fwlog_queue.lock);
372
373 return;
374}
375
376static int ath6kl_fwlog_open(struct inode *inode, struct file *file)
377{
378 struct ath6kl *ar = inode->i_private;
379
380 if (ar->debug.fwlog_open)
381 return -EBUSY;
382
383 ar->debug.fwlog_open = true;
384
385 file->private_data = inode->i_private;
386 return 0;
387}
388
389static int ath6kl_fwlog_release(struct inode *inode, struct file *file)
390{
391 struct ath6kl *ar = inode->i_private;
392
393 ar->debug.fwlog_open = false;
394
395 return 0;
396}
397
398static ssize_t ath6kl_fwlog_read(struct file *file, char __user *user_buf,
399 size_t count, loff_t *ppos)
400{
401 struct ath6kl *ar = file->private_data;
402 struct sk_buff *skb;
403 ssize_t ret_cnt;
404 size_t len = 0;
405 char *buf;
406
407 buf = vmalloc(count);
408 if (!buf)
409 return -ENOMEM;
410
411
412 ath6kl_read_fwlogs(ar);
413
414 spin_lock(&ar->debug.fwlog_queue.lock);
415
416 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
417 if (skb->len > count - len) {
418
419 __skb_queue_head(&ar->debug.fwlog_queue, skb);
420 break;
421 }
422
423
424 memcpy(buf + len, skb->data, skb->len);
425 len += skb->len;
426
427 kfree_skb(skb);
428 }
429
430 spin_unlock(&ar->debug.fwlog_queue.lock);
431
432
433
434 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
435
436 vfree(buf);
437
438 return ret_cnt;
439}
440
441static const struct file_operations fops_fwlog = {
442 .open = ath6kl_fwlog_open,
443 .release = ath6kl_fwlog_release,
444 .read = ath6kl_fwlog_read,
445 .owner = THIS_MODULE,
446 .llseek = default_llseek,
447};
448
449static ssize_t ath6kl_fwlog_block_read(struct file *file,
450 char __user *user_buf,
451 size_t count,
452 loff_t *ppos)
453{
454 struct ath6kl *ar = file->private_data;
455 struct sk_buff *skb;
456 ssize_t ret_cnt;
457 size_t len = 0, not_copied;
458 char *buf;
459 int ret;
460
461 buf = vmalloc(count);
462 if (!buf)
463 return -ENOMEM;
464
465 spin_lock(&ar->debug.fwlog_queue.lock);
466
467 if (skb_queue_len(&ar->debug.fwlog_queue) == 0) {
468
469 init_completion(&ar->debug.fwlog_completion);
470
471 spin_unlock(&ar->debug.fwlog_queue.lock);
472
473 ret = wait_for_completion_interruptible(
474 &ar->debug.fwlog_completion);
475 if (ret == -ERESTARTSYS) {
476 vfree(buf);
477 return ret;
478 }
479
480 spin_lock(&ar->debug.fwlog_queue.lock);
481 }
482
483 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
484 if (skb->len > count - len) {
485
486 __skb_queue_head(&ar->debug.fwlog_queue, skb);
487 break;
488 }
489
490
491 memcpy(buf + len, skb->data, skb->len);
492 len += skb->len;
493
494 kfree_skb(skb);
495 }
496
497 spin_unlock(&ar->debug.fwlog_queue.lock);
498
499
500
501 not_copied = copy_to_user(user_buf, buf, len);
502 if (not_copied != 0) {
503 ret_cnt = -EFAULT;
504 goto out;
505 }
506
507 *ppos = *ppos + len;
508
509 ret_cnt = len;
510
511out:
512 vfree(buf);
513
514 return ret_cnt;
515}
516
517static const struct file_operations fops_fwlog_block = {
518 .open = ath6kl_fwlog_open,
519 .release = ath6kl_fwlog_release,
520 .read = ath6kl_fwlog_block_read,
521 .owner = THIS_MODULE,
522 .llseek = default_llseek,
523};
524
525static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,
526 size_t count, loff_t *ppos)
527{
528 struct ath6kl *ar = file->private_data;
529 char buf[16];
530 int len;
531
532 len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);
533
534 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
535}
536
537static ssize_t ath6kl_fwlog_mask_write(struct file *file,
538 const char __user *user_buf,
539 size_t count, loff_t *ppos)
540{
541 struct ath6kl *ar = file->private_data;
542 int ret;
543
544 ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);
545 if (ret)
546 return ret;
547
548 ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,
549 ATH6KL_FWLOG_VALID_MASK,
550 ar->debug.fwlog_mask);
551 if (ret)
552 return ret;
553
554 return count;
555}
556
557static const struct file_operations fops_fwlog_mask = {
558 .open = simple_open,
559 .read = ath6kl_fwlog_mask_read,
560 .write = ath6kl_fwlog_mask_write,
561 .owner = THIS_MODULE,
562 .llseek = default_llseek,
563};
564
565static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
566 size_t count, loff_t *ppos)
567{
568 struct ath6kl *ar = file->private_data;
569 struct ath6kl_vif *vif;
570 struct target_stats *tgt_stats;
571 char *buf;
572 unsigned int len = 0, buf_len = 1500;
573 int i;
574 ssize_t ret_cnt;
575 int rv;
576
577 vif = ath6kl_vif_first(ar);
578 if (!vif)
579 return -EIO;
580
581 buf = kzalloc(buf_len, GFP_KERNEL);
582 if (!buf)
583 return -ENOMEM;
584
585 rv = ath6kl_read_tgt_stats(ar, vif);
586 if (rv < 0) {
587 kfree(buf);
588 return rv;
589 }
590
591 tgt_stats = &vif->target_stats;
592
593 len += scnprintf(buf + len, buf_len - len, "\n");
594 len += scnprintf(buf + len, buf_len - len, "%25s\n",
595 "Target Tx stats");
596 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
597 "=================");
598 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
599 "Ucast packets", tgt_stats->tx_ucast_pkt);
600 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
601 "Bcast packets", tgt_stats->tx_bcast_pkt);
602 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
603 "Ucast byte", tgt_stats->tx_ucast_byte);
604 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
605 "Bcast byte", tgt_stats->tx_bcast_byte);
606 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
607 "Rts success cnt", tgt_stats->tx_rts_success_cnt);
608 for (i = 0; i < 4; i++)
609 len += scnprintf(buf + len, buf_len - len,
610 "%18s %d %10llu\n", "PER on ac",
611 i, tgt_stats->tx_pkt_per_ac[i]);
612 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
613 "Error", tgt_stats->tx_err);
614 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
615 "Fail count", tgt_stats->tx_fail_cnt);
616 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
617 "Retry count", tgt_stats->tx_retry_cnt);
618 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
619 "Multi retry cnt", tgt_stats->tx_mult_retry_cnt);
620 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
621 "Rts fail cnt", tgt_stats->tx_rts_fail_cnt);
622 len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",
623 "TKIP counter measure used",
624 tgt_stats->tkip_cnter_measures_invoked);
625
626 len += scnprintf(buf + len, buf_len - len, "%25s\n",
627 "Target Rx stats");
628 len += scnprintf(buf + len, buf_len - len, "%25s\n",
629 "=================");
630
631 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
632 "Ucast packets", tgt_stats->rx_ucast_pkt);
633 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
634 "Ucast Rate", tgt_stats->rx_ucast_rate);
635 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
636 "Bcast packets", tgt_stats->rx_bcast_pkt);
637 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
638 "Ucast byte", tgt_stats->rx_ucast_byte);
639 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
640 "Bcast byte", tgt_stats->rx_bcast_byte);
641 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
642 "Fragmented pkt", tgt_stats->rx_frgment_pkt);
643 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
644 "Error", tgt_stats->rx_err);
645 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
646 "CRC Err", tgt_stats->rx_crc_err);
647 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
648 "Key cache miss", tgt_stats->rx_key_cache_miss);
649 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
650 "Decrypt Err", tgt_stats->rx_decrypt_err);
651 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
652 "Duplicate frame", tgt_stats->rx_dupl_frame);
653 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
654 "Tkip Mic failure", tgt_stats->tkip_local_mic_fail);
655 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
656 "TKIP format err", tgt_stats->tkip_fmt_err);
657 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
658 "CCMP format Err", tgt_stats->ccmp_fmt_err);
659 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",
660 "CCMP Replay Err", tgt_stats->ccmp_replays);
661
662 len += scnprintf(buf + len, buf_len - len, "%25s\n",
663 "Misc Target stats");
664 len += scnprintf(buf + len, buf_len - len, "%25s\n",
665 "=================");
666 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
667 "Beacon Miss count", tgt_stats->cs_bmiss_cnt);
668 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
669 "Num Connects", tgt_stats->cs_connect_cnt);
670 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
671 "Num disconnects", tgt_stats->cs_discon_cnt);
672 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
673 "Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);
674 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
675 "ARP pkt received", tgt_stats->arp_received);
676 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
677 "ARP pkt matched", tgt_stats->arp_matched);
678 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
679 "ARP pkt replied", tgt_stats->arp_replied);
680
681 if (len > buf_len)
682 len = buf_len;
683
684 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
685
686 kfree(buf);
687 return ret_cnt;
688}
689
690static const struct file_operations fops_tgt_stats = {
691 .read = read_file_tgt_stats,
692 .open = simple_open,
693 .owner = THIS_MODULE,
694 .llseek = default_llseek,
695};
696
697#define print_credit_info(fmt_str, ep_list_field) \
698 (len += scnprintf(buf + len, buf_len - len, fmt_str, \
699 ep_list->ep_list_field))
700#define CREDIT_INFO_DISPLAY_STRING_LEN 200
701#define CREDIT_INFO_LEN 128
702
703static ssize_t read_file_credit_dist_stats(struct file *file,
704 char __user *user_buf,
705 size_t count, loff_t *ppos)
706{
707 struct ath6kl *ar = file->private_data;
708 struct htc_target *target = ar->htc_target;
709 struct htc_endpoint_credit_dist *ep_list;
710 char *buf;
711 unsigned int buf_len, len = 0;
712 ssize_t ret_cnt;
713
714 buf_len = CREDIT_INFO_DISPLAY_STRING_LEN +
715 get_queue_depth(&target->cred_dist_list) * CREDIT_INFO_LEN;
716 buf = kzalloc(buf_len, GFP_KERNEL);
717 if (!buf)
718 return -ENOMEM;
719
720 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
721 "Total Avail Credits: ",
722 target->credit_info->total_avail_credits);
723 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
724 "Free credits :",
725 target->credit_info->cur_free_credits);
726
727 len += scnprintf(buf + len, buf_len - len,
728 " Epid Flags Cred_norm Cred_min Credits Cred_assngd"
729 " Seek_cred Cred_sz Cred_per_msg Cred_to_dist"
730 " qdepth\n");
731
732 list_for_each_entry(ep_list, &target->cred_dist_list, list) {
733 print_credit_info(" %2d", endpoint);
734 print_credit_info("%10x", dist_flags);
735 print_credit_info("%8d", cred_norm);
736 print_credit_info("%9d", cred_min);
737 print_credit_info("%9d", credits);
738 print_credit_info("%10d", cred_assngd);
739 print_credit_info("%13d", seek_cred);
740 print_credit_info("%12d", cred_sz);
741 print_credit_info("%9d", cred_per_msg);
742 print_credit_info("%14d", cred_to_dist);
743 len += scnprintf(buf + len, buf_len - len, "%12d\n",
744 get_queue_depth(&ep_list->htc_ep->txq));
745 }
746
747 if (len > buf_len)
748 len = buf_len;
749
750 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
751 kfree(buf);
752 return ret_cnt;
753}
754
755static const struct file_operations fops_credit_dist_stats = {
756 .read = read_file_credit_dist_stats,
757 .open = simple_open,
758 .owner = THIS_MODULE,
759 .llseek = default_llseek,
760};
761
762static unsigned int print_endpoint_stat(struct htc_target *target, char *buf,
763 unsigned int buf_len, unsigned int len,
764 int offset, const char *name)
765{
766 int i;
767 struct htc_endpoint_stats *ep_st;
768 u32 *counter;
769
770 len += scnprintf(buf + len, buf_len - len, "%s:", name);
771 for (i = 0; i < ENDPOINT_MAX; i++) {
772 ep_st = &target->endpoint[i].ep_st;
773 counter = ((u32 *) ep_st) + (offset / 4);
774 len += scnprintf(buf + len, buf_len - len, " %u", *counter);
775 }
776 len += scnprintf(buf + len, buf_len - len, "\n");
777
778 return len;
779}
780
781static ssize_t ath6kl_endpoint_stats_read(struct file *file,
782 char __user *user_buf,
783 size_t count, loff_t *ppos)
784{
785 struct ath6kl *ar = file->private_data;
786 struct htc_target *target = ar->htc_target;
787 char *buf;
788 unsigned int buf_len, len = 0;
789 ssize_t ret_cnt;
790
791 buf_len = sizeof(struct htc_endpoint_stats) / sizeof(u32) *
792 (25 + ENDPOINT_MAX * 11);
793 buf = kmalloc(buf_len, GFP_KERNEL);
794 if (!buf)
795 return -ENOMEM;
796
797#define EPSTAT(name) \
798 do { \
799 len = print_endpoint_stat(target, buf, buf_len, len, \
800 offsetof(struct htc_endpoint_stats, \
801 name), \
802 #name); \
803 } while (0)
804
805 EPSTAT(cred_low_indicate);
806 EPSTAT(tx_issued);
807 EPSTAT(tx_pkt_bundled);
808 EPSTAT(tx_bundles);
809 EPSTAT(tx_dropped);
810 EPSTAT(tx_cred_rpt);
811 EPSTAT(cred_rpt_from_rx);
812 EPSTAT(cred_rpt_from_other);
813 EPSTAT(cred_rpt_ep0);
814 EPSTAT(cred_from_rx);
815 EPSTAT(cred_from_other);
816 EPSTAT(cred_from_ep0);
817 EPSTAT(cred_cosumd);
818 EPSTAT(cred_retnd);
819 EPSTAT(rx_pkts);
820 EPSTAT(rx_lkahds);
821 EPSTAT(rx_bundl);
822 EPSTAT(rx_bundle_lkahd);
823 EPSTAT(rx_bundle_from_hdr);
824 EPSTAT(rx_alloc_thresh_hit);
825 EPSTAT(rxalloc_thresh_byte);
826#undef EPSTAT
827
828 if (len > buf_len)
829 len = buf_len;
830
831 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
832 kfree(buf);
833 return ret_cnt;
834}
835
836static ssize_t ath6kl_endpoint_stats_write(struct file *file,
837 const char __user *user_buf,
838 size_t count, loff_t *ppos)
839{
840 struct ath6kl *ar = file->private_data;
841 struct htc_target *target = ar->htc_target;
842 int ret, i;
843 u32 val;
844 struct htc_endpoint_stats *ep_st;
845
846 ret = kstrtou32_from_user(user_buf, count, 0, &val);
847 if (ret)
848 return ret;
849 if (val == 0) {
850 for (i = 0; i < ENDPOINT_MAX; i++) {
851 ep_st = &target->endpoint[i].ep_st;
852 memset(ep_st, 0, sizeof(*ep_st));
853 }
854 }
855
856 return count;
857}
858
859static const struct file_operations fops_endpoint_stats = {
860 .open = simple_open,
861 .read = ath6kl_endpoint_stats_read,
862 .write = ath6kl_endpoint_stats_write,
863 .owner = THIS_MODULE,
864 .llseek = default_llseek,
865};
866
867static unsigned long ath6kl_get_num_reg(void)
868{
869 int i;
870 unsigned long n_reg = 0;
871
872 for (i = 0; i < ARRAY_SIZE(diag_reg); i++)
873 n_reg = n_reg +
874 (diag_reg[i].reg_end - diag_reg[i].reg_start) / 4 + 1;
875
876 return n_reg;
877}
878
879static bool ath6kl_dbg_is_diag_reg_valid(u32 reg_addr)
880{
881 int i;
882
883 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
884 if (reg_addr >= diag_reg[i].reg_start &&
885 reg_addr <= diag_reg[i].reg_end)
886 return true;
887 }
888
889 return false;
890}
891
892static ssize_t ath6kl_regread_read(struct file *file, char __user *user_buf,
893 size_t count, loff_t *ppos)
894{
895 struct ath6kl *ar = file->private_data;
896 u8 buf[50];
897 unsigned int len = 0;
898
899 if (ar->debug.dbgfs_diag_reg)
900 len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n",
901 ar->debug.dbgfs_diag_reg);
902 else
903 len += scnprintf(buf + len, sizeof(buf) - len,
904 "All diag registers\n");
905
906 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
907}
908
909static ssize_t ath6kl_regread_write(struct file *file,
910 const char __user *user_buf,
911 size_t count, loff_t *ppos)
912{
913 struct ath6kl *ar = file->private_data;
914 unsigned long reg_addr;
915
916 if (kstrtoul_from_user(user_buf, count, 0, ®_addr))
917 return -EINVAL;
918
919 if ((reg_addr % 4) != 0)
920 return -EINVAL;
921
922 if (reg_addr && !ath6kl_dbg_is_diag_reg_valid(reg_addr))
923 return -EINVAL;
924
925 ar->debug.dbgfs_diag_reg = reg_addr;
926
927 return count;
928}
929
930static const struct file_operations fops_diag_reg_read = {
931 .read = ath6kl_regread_read,
932 .write = ath6kl_regread_write,
933 .open = simple_open,
934 .owner = THIS_MODULE,
935 .llseek = default_llseek,
936};
937
938static int ath6kl_regdump_open(struct inode *inode, struct file *file)
939{
940 struct ath6kl *ar = inode->i_private;
941 u8 *buf;
942 unsigned long int reg_len;
943 unsigned int len = 0, n_reg;
944 u32 addr;
945 __le32 reg_val;
946 int i, status;
947
948
949 if (!ar->debug.dbgfs_diag_reg)
950 n_reg = ath6kl_get_num_reg();
951 else
952 n_reg = 1;
953
954 reg_len = n_reg * REG_OUTPUT_LEN_PER_LINE;
955 if (n_reg > 1)
956 reg_len += REGTYPE_STR_LEN;
957
958 buf = vmalloc(reg_len);
959 if (!buf)
960 return -ENOMEM;
961
962 if (n_reg == 1) {
963 addr = ar->debug.dbgfs_diag_reg;
964
965 status = ath6kl_diag_read32(ar,
966 TARG_VTOP(ar->target_type, addr),
967 (u32 *)®_val);
968 if (status)
969 goto fail_reg_read;
970
971 len += scnprintf(buf + len, reg_len - len,
972 "0x%06x 0x%08x\n", addr, le32_to_cpu(reg_val));
973 goto done;
974 }
975
976 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
977 len += scnprintf(buf + len, reg_len - len,
978 "%s\n", diag_reg[i].reg_info);
979 for (addr = diag_reg[i].reg_start;
980 addr <= diag_reg[i].reg_end; addr += 4) {
981 status = ath6kl_diag_read32(ar,
982 TARG_VTOP(ar->target_type, addr),
983 (u32 *)®_val);
984 if (status)
985 goto fail_reg_read;
986
987 len += scnprintf(buf + len, reg_len - len,
988 "0x%06x 0x%08x\n",
989 addr, le32_to_cpu(reg_val));
990 }
991 }
992
993done:
994 file->private_data = buf;
995 return 0;
996
997fail_reg_read:
998 ath6kl_warn("Unable to read memory:%u\n", addr);
999 vfree(buf);
1000 return -EIO;
1001}
1002
1003static ssize_t ath6kl_regdump_read(struct file *file, char __user *user_buf,
1004 size_t count, loff_t *ppos)
1005{
1006 u8 *buf = file->private_data;
1007 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
1008}
1009
1010static int ath6kl_regdump_release(struct inode *inode, struct file *file)
1011{
1012 vfree(file->private_data);
1013 return 0;
1014}
1015
1016static const struct file_operations fops_reg_dump = {
1017 .open = ath6kl_regdump_open,
1018 .read = ath6kl_regdump_read,
1019 .release = ath6kl_regdump_release,
1020 .owner = THIS_MODULE,
1021 .llseek = default_llseek,
1022};
1023
1024static ssize_t ath6kl_lrssi_roam_write(struct file *file,
1025 const char __user *user_buf,
1026 size_t count, loff_t *ppos)
1027{
1028 struct ath6kl *ar = file->private_data;
1029 unsigned long lrssi_roam_threshold;
1030
1031 if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold))
1032 return -EINVAL;
1033
1034 ar->lrssi_roam_threshold = lrssi_roam_threshold;
1035
1036 ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);
1037
1038 return count;
1039}
1040
1041static ssize_t ath6kl_lrssi_roam_read(struct file *file,
1042 char __user *user_buf,
1043 size_t count, loff_t *ppos)
1044{
1045 struct ath6kl *ar = file->private_data;
1046 char buf[32];
1047 unsigned int len;
1048
1049 len = snprintf(buf, sizeof(buf), "%u\n", ar->lrssi_roam_threshold);
1050
1051 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1052}
1053
1054static const struct file_operations fops_lrssi_roam_threshold = {
1055 .read = ath6kl_lrssi_roam_read,
1056 .write = ath6kl_lrssi_roam_write,
1057 .open = simple_open,
1058 .owner = THIS_MODULE,
1059 .llseek = default_llseek,
1060};
1061
1062static ssize_t ath6kl_regwrite_read(struct file *file,
1063 char __user *user_buf,
1064 size_t count, loff_t *ppos)
1065{
1066 struct ath6kl *ar = file->private_data;
1067 u8 buf[32];
1068 unsigned int len = 0;
1069
1070 len = scnprintf(buf, sizeof(buf), "Addr: 0x%x Val: 0x%x\n",
1071 ar->debug.diag_reg_addr_wr, ar->debug.diag_reg_val_wr);
1072
1073 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1074}
1075
1076static ssize_t ath6kl_regwrite_write(struct file *file,
1077 const char __user *user_buf,
1078 size_t count, loff_t *ppos)
1079{
1080 struct ath6kl *ar = file->private_data;
1081 char buf[32];
1082 char *sptr, *token;
1083 unsigned int len = 0;
1084 u32 reg_addr, reg_val;
1085
1086 len = min(count, sizeof(buf) - 1);
1087 if (copy_from_user(buf, user_buf, len))
1088 return -EFAULT;
1089
1090 buf[len] = '\0';
1091 sptr = buf;
1092
1093 token = strsep(&sptr, "=");
1094 if (!token)
1095 return -EINVAL;
1096
1097 if (kstrtou32(token, 0, ®_addr))
1098 return -EINVAL;
1099
1100 if (!ath6kl_dbg_is_diag_reg_valid(reg_addr))
1101 return -EINVAL;
1102
1103 if (kstrtou32(sptr, 0, ®_val))
1104 return -EINVAL;
1105
1106 ar->debug.diag_reg_addr_wr = reg_addr;
1107 ar->debug.diag_reg_val_wr = reg_val;
1108
1109 if (ath6kl_diag_write32(ar, ar->debug.diag_reg_addr_wr,
1110 cpu_to_le32(ar->debug.diag_reg_val_wr)))
1111 return -EIO;
1112
1113 return count;
1114}
1115
1116static const struct file_operations fops_diag_reg_write = {
1117 .read = ath6kl_regwrite_read,
1118 .write = ath6kl_regwrite_write,
1119 .open = simple_open,
1120 .owner = THIS_MODULE,
1121 .llseek = default_llseek,
1122};
1123
1124int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,
1125 size_t len)
1126{
1127 const struct wmi_target_roam_tbl *tbl;
1128 u16 num_entries;
1129
1130 if (len < sizeof(*tbl))
1131 return -EINVAL;
1132
1133 tbl = (const struct wmi_target_roam_tbl *) buf;
1134 num_entries = le16_to_cpu(tbl->num_entries);
1135 if (struct_size(tbl, info, num_entries) > len)
1136 return -EINVAL;
1137
1138 if (ar->debug.roam_tbl == NULL ||
1139 ar->debug.roam_tbl_len < (unsigned int) len) {
1140 kfree(ar->debug.roam_tbl);
1141 ar->debug.roam_tbl = kmalloc(len, GFP_ATOMIC);
1142 if (ar->debug.roam_tbl == NULL)
1143 return -ENOMEM;
1144 }
1145
1146 memcpy(ar->debug.roam_tbl, buf, len);
1147 ar->debug.roam_tbl_len = len;
1148
1149 if (test_bit(ROAM_TBL_PEND, &ar->flag)) {
1150 clear_bit(ROAM_TBL_PEND, &ar->flag);
1151 wake_up(&ar->event_wq);
1152 }
1153
1154 return 0;
1155}
1156
1157static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,
1158 size_t count, loff_t *ppos)
1159{
1160 struct ath6kl *ar = file->private_data;
1161 int ret;
1162 long left;
1163 struct wmi_target_roam_tbl *tbl;
1164 u16 num_entries, i;
1165 char *buf;
1166 unsigned int len, buf_len;
1167 ssize_t ret_cnt;
1168
1169 if (down_interruptible(&ar->sem))
1170 return -EBUSY;
1171
1172 set_bit(ROAM_TBL_PEND, &ar->flag);
1173
1174 ret = ath6kl_wmi_get_roam_tbl_cmd(ar->wmi);
1175 if (ret) {
1176 up(&ar->sem);
1177 return ret;
1178 }
1179
1180 left = wait_event_interruptible_timeout(
1181 ar->event_wq, !test_bit(ROAM_TBL_PEND, &ar->flag), WMI_TIMEOUT);
1182 up(&ar->sem);
1183
1184 if (left <= 0)
1185 return -ETIMEDOUT;
1186
1187 if (ar->debug.roam_tbl == NULL)
1188 return -ENOMEM;
1189
1190 tbl = (struct wmi_target_roam_tbl *) ar->debug.roam_tbl;
1191 num_entries = le16_to_cpu(tbl->num_entries);
1192
1193 buf_len = 100 + num_entries * 100;
1194 buf = kzalloc(buf_len, GFP_KERNEL);
1195 if (buf == NULL)
1196 return -ENOMEM;
1197 len = 0;
1198 len += scnprintf(buf + len, buf_len - len,
1199 "roam_mode=%u\n\n"
1200 "# roam_util bssid rssi rssidt last_rssi util bias\n",
1201 le16_to_cpu(tbl->roam_mode));
1202
1203 for (i = 0; i < num_entries; i++) {
1204 struct wmi_bss_roam_info *info = &tbl->info[i];
1205 len += scnprintf(buf + len, buf_len - len,
1206 "%d %pM %d %d %d %d %d\n",
1207 a_sle32_to_cpu(info->roam_util), info->bssid,
1208 info->rssi, info->rssidt, info->last_rssi,
1209 info->util, info->bias);
1210 }
1211
1212 if (len > buf_len)
1213 len = buf_len;
1214
1215 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1216
1217 kfree(buf);
1218 return ret_cnt;
1219}
1220
1221static const struct file_operations fops_roam_table = {
1222 .read = ath6kl_roam_table_read,
1223 .open = simple_open,
1224 .owner = THIS_MODULE,
1225 .llseek = default_llseek,
1226};
1227
1228static ssize_t ath6kl_force_roam_write(struct file *file,
1229 const char __user *user_buf,
1230 size_t count, loff_t *ppos)
1231{
1232 struct ath6kl *ar = file->private_data;
1233 int ret;
1234 char buf[20];
1235 size_t len;
1236 u8 bssid[ETH_ALEN];
1237
1238 len = min(count, sizeof(buf) - 1);
1239 if (copy_from_user(buf, user_buf, len))
1240 return -EFAULT;
1241 buf[len] = '\0';
1242
1243 if (!mac_pton(buf, bssid))
1244 return -EINVAL;
1245
1246 ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);
1247 if (ret)
1248 return ret;
1249
1250 return count;
1251}
1252
1253static const struct file_operations fops_force_roam = {
1254 .write = ath6kl_force_roam_write,
1255 .open = simple_open,
1256 .owner = THIS_MODULE,
1257 .llseek = default_llseek,
1258};
1259
1260static ssize_t ath6kl_roam_mode_write(struct file *file,
1261 const char __user *user_buf,
1262 size_t count, loff_t *ppos)
1263{
1264 struct ath6kl *ar = file->private_data;
1265 int ret;
1266 char buf[20];
1267 size_t len;
1268 enum wmi_roam_mode mode;
1269
1270 len = min(count, sizeof(buf) - 1);
1271 if (copy_from_user(buf, user_buf, len))
1272 return -EFAULT;
1273 buf[len] = '\0';
1274 if (len > 0 && buf[len - 1] == '\n')
1275 buf[len - 1] = '\0';
1276
1277 if (strcasecmp(buf, "default") == 0)
1278 mode = WMI_DEFAULT_ROAM_MODE;
1279 else if (strcasecmp(buf, "bssbias") == 0)
1280 mode = WMI_HOST_BIAS_ROAM_MODE;
1281 else if (strcasecmp(buf, "lock") == 0)
1282 mode = WMI_LOCK_BSS_MODE;
1283 else
1284 return -EINVAL;
1285
1286 ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);
1287 if (ret)
1288 return ret;
1289
1290 return count;
1291}
1292
1293static const struct file_operations fops_roam_mode = {
1294 .write = ath6kl_roam_mode_write,
1295 .open = simple_open,
1296 .owner = THIS_MODULE,
1297 .llseek = default_llseek,
1298};
1299
1300void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)
1301{
1302 ar->debug.keepalive = keepalive;
1303}
1304
1305static ssize_t ath6kl_keepalive_read(struct file *file, char __user *user_buf,
1306 size_t count, loff_t *ppos)
1307{
1308 struct ath6kl *ar = file->private_data;
1309 char buf[16];
1310 int len;
1311
1312 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.keepalive);
1313
1314 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1315}
1316
1317static ssize_t ath6kl_keepalive_write(struct file *file,
1318 const char __user *user_buf,
1319 size_t count, loff_t *ppos)
1320{
1321 struct ath6kl *ar = file->private_data;
1322 int ret;
1323 u8 val;
1324
1325 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1326 if (ret)
1327 return ret;
1328
1329 ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, 0, val);
1330 if (ret)
1331 return ret;
1332
1333 return count;
1334}
1335
1336static const struct file_operations fops_keepalive = {
1337 .open = simple_open,
1338 .read = ath6kl_keepalive_read,
1339 .write = ath6kl_keepalive_write,
1340 .owner = THIS_MODULE,
1341 .llseek = default_llseek,
1342};
1343
1344void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)
1345{
1346 ar->debug.disc_timeout = timeout;
1347}
1348
1349static ssize_t ath6kl_disconnect_timeout_read(struct file *file,
1350 char __user *user_buf,
1351 size_t count, loff_t *ppos)
1352{
1353 struct ath6kl *ar = file->private_data;
1354 char buf[16];
1355 int len;
1356
1357 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.disc_timeout);
1358
1359 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1360}
1361
1362static ssize_t ath6kl_disconnect_timeout_write(struct file *file,
1363 const char __user *user_buf,
1364 size_t count, loff_t *ppos)
1365{
1366 struct ath6kl *ar = file->private_data;
1367 int ret;
1368 u8 val;
1369
1370 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1371 if (ret)
1372 return ret;
1373
1374 ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, 0, val);
1375 if (ret)
1376 return ret;
1377
1378 return count;
1379}
1380
1381static const struct file_operations fops_disconnect_timeout = {
1382 .open = simple_open,
1383 .read = ath6kl_disconnect_timeout_read,
1384 .write = ath6kl_disconnect_timeout_write,
1385 .owner = THIS_MODULE,
1386 .llseek = default_llseek,
1387};
1388
1389static ssize_t ath6kl_create_qos_write(struct file *file,
1390 const char __user *user_buf,
1391 size_t count, loff_t *ppos)
1392{
1393 struct ath6kl *ar = file->private_data;
1394 struct ath6kl_vif *vif;
1395 char buf[200];
1396 ssize_t len;
1397 char *sptr, *token;
1398 struct wmi_create_pstream_cmd pstream;
1399 u32 val32;
1400 u16 val16;
1401
1402 vif = ath6kl_vif_first(ar);
1403 if (!vif)
1404 return -EIO;
1405
1406 len = min(count, sizeof(buf) - 1);
1407 if (copy_from_user(buf, user_buf, len))
1408 return -EFAULT;
1409 buf[len] = '\0';
1410 sptr = buf;
1411
1412 token = strsep(&sptr, " ");
1413 if (!token)
1414 return -EINVAL;
1415 if (kstrtou8(token, 0, &pstream.user_pri))
1416 return -EINVAL;
1417
1418 token = strsep(&sptr, " ");
1419 if (!token)
1420 return -EINVAL;
1421 if (kstrtou8(token, 0, &pstream.traffic_direc))
1422 return -EINVAL;
1423
1424 token = strsep(&sptr, " ");
1425 if (!token)
1426 return -EINVAL;
1427 if (kstrtou8(token, 0, &pstream.traffic_class))
1428 return -EINVAL;
1429
1430 token = strsep(&sptr, " ");
1431 if (!token)
1432 return -EINVAL;
1433 if (kstrtou8(token, 0, &pstream.traffic_type))
1434 return -EINVAL;
1435
1436 token = strsep(&sptr, " ");
1437 if (!token)
1438 return -EINVAL;
1439 if (kstrtou8(token, 0, &pstream.voice_psc_cap))
1440 return -EINVAL;
1441
1442 token = strsep(&sptr, " ");
1443 if (!token)
1444 return -EINVAL;
1445 if (kstrtou32(token, 0, &val32))
1446 return -EINVAL;
1447 pstream.min_service_int = cpu_to_le32(val32);
1448
1449 token = strsep(&sptr, " ");
1450 if (!token)
1451 return -EINVAL;
1452 if (kstrtou32(token, 0, &val32))
1453 return -EINVAL;
1454 pstream.max_service_int = cpu_to_le32(val32);
1455
1456 token = strsep(&sptr, " ");
1457 if (!token)
1458 return -EINVAL;
1459 if (kstrtou32(token, 0, &val32))
1460 return -EINVAL;
1461 pstream.inactivity_int = cpu_to_le32(val32);
1462
1463 token = strsep(&sptr, " ");
1464 if (!token)
1465 return -EINVAL;
1466 if (kstrtou32(token, 0, &val32))
1467 return -EINVAL;
1468 pstream.suspension_int = cpu_to_le32(val32);
1469
1470 token = strsep(&sptr, " ");
1471 if (!token)
1472 return -EINVAL;
1473 if (kstrtou32(token, 0, &val32))
1474 return -EINVAL;
1475 pstream.service_start_time = cpu_to_le32(val32);
1476
1477 token = strsep(&sptr, " ");
1478 if (!token)
1479 return -EINVAL;
1480 if (kstrtou8(token, 0, &pstream.tsid))
1481 return -EINVAL;
1482
1483 token = strsep(&sptr, " ");
1484 if (!token)
1485 return -EINVAL;
1486 if (kstrtou16(token, 0, &val16))
1487 return -EINVAL;
1488 pstream.nominal_msdu = cpu_to_le16(val16);
1489
1490 token = strsep(&sptr, " ");
1491 if (!token)
1492 return -EINVAL;
1493 if (kstrtou16(token, 0, &val16))
1494 return -EINVAL;
1495 pstream.max_msdu = cpu_to_le16(val16);
1496
1497 token = strsep(&sptr, " ");
1498 if (!token)
1499 return -EINVAL;
1500 if (kstrtou32(token, 0, &val32))
1501 return -EINVAL;
1502 pstream.min_data_rate = cpu_to_le32(val32);
1503
1504 token = strsep(&sptr, " ");
1505 if (!token)
1506 return -EINVAL;
1507 if (kstrtou32(token, 0, &val32))
1508 return -EINVAL;
1509 pstream.mean_data_rate = cpu_to_le32(val32);
1510
1511 token = strsep(&sptr, " ");
1512 if (!token)
1513 return -EINVAL;
1514 if (kstrtou32(token, 0, &val32))
1515 return -EINVAL;
1516 pstream.peak_data_rate = cpu_to_le32(val32);
1517
1518 token = strsep(&sptr, " ");
1519 if (!token)
1520 return -EINVAL;
1521 if (kstrtou32(token, 0, &val32))
1522 return -EINVAL;
1523 pstream.max_burst_size = cpu_to_le32(val32);
1524
1525 token = strsep(&sptr, " ");
1526 if (!token)
1527 return -EINVAL;
1528 if (kstrtou32(token, 0, &val32))
1529 return -EINVAL;
1530 pstream.delay_bound = cpu_to_le32(val32);
1531
1532 token = strsep(&sptr, " ");
1533 if (!token)
1534 return -EINVAL;
1535 if (kstrtou32(token, 0, &val32))
1536 return -EINVAL;
1537 pstream.min_phy_rate = cpu_to_le32(val32);
1538
1539 token = strsep(&sptr, " ");
1540 if (!token)
1541 return -EINVAL;
1542 if (kstrtou32(token, 0, &val32))
1543 return -EINVAL;
1544 pstream.sba = cpu_to_le32(val32);
1545
1546 token = strsep(&sptr, " ");
1547 if (!token)
1548 return -EINVAL;
1549 if (kstrtou32(token, 0, &val32))
1550 return -EINVAL;
1551 pstream.medium_time = cpu_to_le32(val32);
1552
1553 pstream.nominal_phy = le32_to_cpu(pstream.min_phy_rate) / 1000000;
1554
1555 ath6kl_wmi_create_pstream_cmd(ar->wmi, vif->fw_vif_idx, &pstream);
1556
1557 return count;
1558}
1559
1560static const struct file_operations fops_create_qos = {
1561 .write = ath6kl_create_qos_write,
1562 .open = simple_open,
1563 .owner = THIS_MODULE,
1564 .llseek = default_llseek,
1565};
1566
1567static ssize_t ath6kl_delete_qos_write(struct file *file,
1568 const char __user *user_buf,
1569 size_t count, loff_t *ppos)
1570{
1571 struct ath6kl *ar = file->private_data;
1572 struct ath6kl_vif *vif;
1573 char buf[100];
1574 ssize_t len;
1575 char *sptr, *token;
1576 u8 traffic_class;
1577 u8 tsid;
1578
1579 vif = ath6kl_vif_first(ar);
1580 if (!vif)
1581 return -EIO;
1582
1583 len = min(count, sizeof(buf) - 1);
1584 if (copy_from_user(buf, user_buf, len))
1585 return -EFAULT;
1586 buf[len] = '\0';
1587 sptr = buf;
1588
1589 token = strsep(&sptr, " ");
1590 if (!token)
1591 return -EINVAL;
1592 if (kstrtou8(token, 0, &traffic_class))
1593 return -EINVAL;
1594
1595 token = strsep(&sptr, " ");
1596 if (!token)
1597 return -EINVAL;
1598 if (kstrtou8(token, 0, &tsid))
1599 return -EINVAL;
1600
1601 ath6kl_wmi_delete_pstream_cmd(ar->wmi, vif->fw_vif_idx,
1602 traffic_class, tsid);
1603
1604 return count;
1605}
1606
1607static const struct file_operations fops_delete_qos = {
1608 .write = ath6kl_delete_qos_write,
1609 .open = simple_open,
1610 .owner = THIS_MODULE,
1611 .llseek = default_llseek,
1612};
1613
1614static ssize_t ath6kl_bgscan_int_write(struct file *file,
1615 const char __user *user_buf,
1616 size_t count, loff_t *ppos)
1617{
1618 struct ath6kl *ar = file->private_data;
1619 struct ath6kl_vif *vif;
1620 u16 bgscan_int;
1621 char buf[32];
1622 ssize_t len;
1623
1624 vif = ath6kl_vif_first(ar);
1625 if (!vif)
1626 return -EIO;
1627
1628 len = min(count, sizeof(buf) - 1);
1629 if (copy_from_user(buf, user_buf, len))
1630 return -EFAULT;
1631
1632 buf[len] = '\0';
1633 if (kstrtou16(buf, 0, &bgscan_int))
1634 return -EINVAL;
1635
1636 if (bgscan_int == 0)
1637 bgscan_int = 0xffff;
1638
1639 vif->bg_scan_period = bgscan_int;
1640
1641 ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,
1642 0, 0, 0);
1643
1644 return count;
1645}
1646
1647static const struct file_operations fops_bgscan_int = {
1648 .write = ath6kl_bgscan_int_write,
1649 .open = simple_open,
1650 .owner = THIS_MODULE,
1651 .llseek = default_llseek,
1652};
1653
1654static ssize_t ath6kl_listen_int_write(struct file *file,
1655 const char __user *user_buf,
1656 size_t count, loff_t *ppos)
1657{
1658 struct ath6kl *ar = file->private_data;
1659 struct ath6kl_vif *vif;
1660 u16 listen_interval;
1661 char buf[32];
1662 ssize_t len;
1663
1664 vif = ath6kl_vif_first(ar);
1665 if (!vif)
1666 return -EIO;
1667
1668 len = min(count, sizeof(buf) - 1);
1669 if (copy_from_user(buf, user_buf, len))
1670 return -EFAULT;
1671
1672 buf[len] = '\0';
1673 if (kstrtou16(buf, 0, &listen_interval))
1674 return -EINVAL;
1675
1676 if ((listen_interval < 15) || (listen_interval > 3000))
1677 return -EINVAL;
1678
1679 vif->listen_intvl_t = listen_interval;
1680 ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
1681 vif->listen_intvl_t, 0);
1682
1683 return count;
1684}
1685
1686static ssize_t ath6kl_listen_int_read(struct file *file,
1687 char __user *user_buf,
1688 size_t count, loff_t *ppos)
1689{
1690 struct ath6kl *ar = file->private_data;
1691 struct ath6kl_vif *vif;
1692 char buf[32];
1693 int len;
1694
1695 vif = ath6kl_vif_first(ar);
1696 if (!vif)
1697 return -EIO;
1698
1699 len = scnprintf(buf, sizeof(buf), "%u\n", vif->listen_intvl_t);
1700
1701 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1702}
1703
1704static const struct file_operations fops_listen_int = {
1705 .read = ath6kl_listen_int_read,
1706 .write = ath6kl_listen_int_write,
1707 .open = simple_open,
1708 .owner = THIS_MODULE,
1709 .llseek = default_llseek,
1710};
1711
1712static ssize_t ath6kl_power_params_write(struct file *file,
1713 const char __user *user_buf,
1714 size_t count, loff_t *ppos)
1715{
1716 struct ath6kl *ar = file->private_data;
1717 u8 buf[100];
1718 unsigned int len = 0;
1719 char *sptr, *token;
1720 u16 idle_period, ps_poll_num, dtim,
1721 tx_wakeup, num_tx;
1722
1723 len = min(count, sizeof(buf) - 1);
1724 if (copy_from_user(buf, user_buf, len))
1725 return -EFAULT;
1726 buf[len] = '\0';
1727 sptr = buf;
1728
1729 token = strsep(&sptr, " ");
1730 if (!token)
1731 return -EINVAL;
1732 if (kstrtou16(token, 0, &idle_period))
1733 return -EINVAL;
1734
1735 token = strsep(&sptr, " ");
1736 if (!token)
1737 return -EINVAL;
1738 if (kstrtou16(token, 0, &ps_poll_num))
1739 return -EINVAL;
1740
1741 token = strsep(&sptr, " ");
1742 if (!token)
1743 return -EINVAL;
1744 if (kstrtou16(token, 0, &dtim))
1745 return -EINVAL;
1746
1747 token = strsep(&sptr, " ");
1748 if (!token)
1749 return -EINVAL;
1750 if (kstrtou16(token, 0, &tx_wakeup))
1751 return -EINVAL;
1752
1753 token = strsep(&sptr, " ");
1754 if (!token)
1755 return -EINVAL;
1756 if (kstrtou16(token, 0, &num_tx))
1757 return -EINVAL;
1758
1759 ath6kl_wmi_pmparams_cmd(ar->wmi, 0, idle_period, ps_poll_num,
1760 dtim, tx_wakeup, num_tx, 0);
1761
1762 return count;
1763}
1764
1765static const struct file_operations fops_power_params = {
1766 .write = ath6kl_power_params_write,
1767 .open = simple_open,
1768 .owner = THIS_MODULE,
1769 .llseek = default_llseek,
1770};
1771
1772void ath6kl_debug_init(struct ath6kl *ar)
1773{
1774 skb_queue_head_init(&ar->debug.fwlog_queue);
1775 init_completion(&ar->debug.fwlog_completion);
1776
1777
1778
1779
1780
1781 ar->debug.fwlog_mask = 0;
1782}
1783
1784
1785
1786
1787
1788
1789int ath6kl_debug_init_fs(struct ath6kl *ar)
1790{
1791 ar->debugfs_phy = debugfs_create_dir("ath6kl",
1792 ar->wiphy->debugfsdir);
1793 if (!ar->debugfs_phy)
1794 return -ENOMEM;
1795
1796 debugfs_create_file("tgt_stats", 0400, ar->debugfs_phy, ar,
1797 &fops_tgt_stats);
1798
1799 if (ar->hif_type == ATH6KL_HIF_TYPE_SDIO)
1800 debugfs_create_file("credit_dist_stats", 0400,
1801 ar->debugfs_phy, ar,
1802 &fops_credit_dist_stats);
1803
1804 debugfs_create_file("endpoint_stats", 0600,
1805 ar->debugfs_phy, ar, &fops_endpoint_stats);
1806
1807 debugfs_create_file("fwlog", 0400, ar->debugfs_phy, ar, &fops_fwlog);
1808
1809 debugfs_create_file("fwlog_block", 0400, ar->debugfs_phy, ar,
1810 &fops_fwlog_block);
1811
1812 debugfs_create_file("fwlog_mask", 0600, ar->debugfs_phy,
1813 ar, &fops_fwlog_mask);
1814
1815 debugfs_create_file("reg_addr", 0600, ar->debugfs_phy, ar,
1816 &fops_diag_reg_read);
1817
1818 debugfs_create_file("reg_dump", 0400, ar->debugfs_phy, ar,
1819 &fops_reg_dump);
1820
1821 debugfs_create_file("lrssi_roam_threshold", 0600,
1822 ar->debugfs_phy, ar, &fops_lrssi_roam_threshold);
1823
1824 debugfs_create_file("reg_write", 0600,
1825 ar->debugfs_phy, ar, &fops_diag_reg_write);
1826
1827 debugfs_create_file("war_stats", 0400, ar->debugfs_phy, ar,
1828 &fops_war_stats);
1829
1830 debugfs_create_file("roam_table", 0400, ar->debugfs_phy, ar,
1831 &fops_roam_table);
1832
1833 debugfs_create_file("force_roam", 0200, ar->debugfs_phy, ar,
1834 &fops_force_roam);
1835
1836 debugfs_create_file("roam_mode", 0200, ar->debugfs_phy, ar,
1837 &fops_roam_mode);
1838
1839 debugfs_create_file("keepalive", 0600, ar->debugfs_phy, ar,
1840 &fops_keepalive);
1841
1842 debugfs_create_file("disconnect_timeout", 0600,
1843 ar->debugfs_phy, ar, &fops_disconnect_timeout);
1844
1845 debugfs_create_file("create_qos", 0200, ar->debugfs_phy, ar,
1846 &fops_create_qos);
1847
1848 debugfs_create_file("delete_qos", 0200, ar->debugfs_phy, ar,
1849 &fops_delete_qos);
1850
1851 debugfs_create_file("bgscan_interval", 0200,
1852 ar->debugfs_phy, ar, &fops_bgscan_int);
1853
1854 debugfs_create_file("listen_interval", 0600,
1855 ar->debugfs_phy, ar, &fops_listen_int);
1856
1857 debugfs_create_file("power_params", 0200, ar->debugfs_phy, ar,
1858 &fops_power_params);
1859
1860 return 0;
1861}
1862
1863void ath6kl_debug_cleanup(struct ath6kl *ar)
1864{
1865 skb_queue_purge(&ar->debug.fwlog_queue);
1866 complete(&ar->debug.fwlog_completion);
1867 kfree(ar->debug.roam_tbl);
1868}
1869
1870#endif
1871
