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ath6kl: don't set hi_refclk_hz if hardware version doesn't need it
[deliverable/linux.git] / drivers / net / wireless / ath / ath6kl / debug.c
1 /*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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
28 struct ath6kl_fwlog_slot {
29 __le32 timestamp;
30 __le32 length;
31
32 /* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
33 u8 payload[0];
34 };
35
36 #define ATH6KL_FWLOG_MAX_ENTRIES 20
37
38 #define ATH6KL_FWLOG_VALID_MASK 0x1ffff
39
40 int ath6kl_printk(const char *level, const char *fmt, ...)
41 {
42 struct va_format vaf;
43 va_list args;
44 int rtn;
45
46 va_start(args, fmt);
47
48 vaf.fmt = fmt;
49 vaf.va = &args;
50
51 rtn = printk("%sath6kl: %pV", level, &vaf);
52
53 va_end(args);
54
55 return rtn;
56 }
57 EXPORT_SYMBOL(ath6kl_printk);
58
59 int ath6kl_info(const char *fmt, ...)
60 {
61 struct va_format vaf = {
62 .fmt = fmt,
63 };
64 va_list args;
65 int ret;
66
67 va_start(args, fmt);
68 vaf.va = &args;
69 ret = ath6kl_printk(KERN_INFO, "%pV", &vaf);
70 trace_ath6kl_log_info(&vaf);
71 va_end(args);
72
73 return ret;
74 }
75 EXPORT_SYMBOL(ath6kl_info);
76
77 int ath6kl_err(const char *fmt, ...)
78 {
79 struct va_format vaf = {
80 .fmt = fmt,
81 };
82 va_list args;
83 int ret;
84
85 va_start(args, fmt);
86 vaf.va = &args;
87 ret = ath6kl_printk(KERN_ERR, "%pV", &vaf);
88 trace_ath6kl_log_err(&vaf);
89 va_end(args);
90
91 return ret;
92 }
93 EXPORT_SYMBOL(ath6kl_err);
94
95 int ath6kl_warn(const char *fmt, ...)
96 {
97 struct va_format vaf = {
98 .fmt = fmt,
99 };
100 va_list args;
101 int ret;
102
103 va_start(args, fmt);
104 vaf.va = &args;
105 ret = ath6kl_printk(KERN_WARNING, "%pV", &vaf);
106 trace_ath6kl_log_warn(&vaf);
107 va_end(args);
108
109 return ret;
110 }
111 EXPORT_SYMBOL(ath6kl_warn);
112
113 #ifdef CONFIG_ATH6KL_DEBUG
114
115 void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)
116 {
117 struct va_format vaf;
118 va_list args;
119
120 va_start(args, fmt);
121
122 vaf.fmt = fmt;
123 vaf.va = &args;
124
125 if (debug_mask & mask)
126 ath6kl_printk(KERN_DEBUG, "%pV", &vaf);
127
128 trace_ath6kl_log_dbg(mask, &vaf);
129
130 va_end(args);
131 }
132 EXPORT_SYMBOL(ath6kl_dbg);
133
134 void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,
135 const char *msg, const char *prefix,
136 const void *buf, size_t len)
137 {
138 if (debug_mask & mask) {
139 if (msg)
140 ath6kl_dbg(mask, "%s\n", msg);
141
142 print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
143 }
144
145 /* tracing code doesn't like null strings :/ */
146 trace_ath6kl_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
147 buf, len);
148 }
149 EXPORT_SYMBOL(ath6kl_dbg_dump);
150
151 #define REG_OUTPUT_LEN_PER_LINE 25
152 #define REGTYPE_STR_LEN 100
153
154 struct ath6kl_diag_reg_info {
155 u32 reg_start;
156 u32 reg_end;
157 const char *reg_info;
158 };
159
160 static const struct ath6kl_diag_reg_info diag_reg[] = {
161 { 0x20000, 0x200fc, "General DMA and Rx registers" },
162 { 0x28000, 0x28900, "MAC PCU register & keycache" },
163 { 0x20800, 0x20a40, "QCU" },
164 { 0x21000, 0x212f0, "DCU" },
165 { 0x4000, 0x42e4, "RTC" },
166 { 0x540000, 0x540000 + (256 * 1024), "RAM" },
167 { 0x29800, 0x2B210, "Base Band" },
168 { 0x1C000, 0x1C748, "Analog" },
169 };
170
171 void ath6kl_dump_registers(struct ath6kl_device *dev,
172 struct ath6kl_irq_proc_registers *irq_proc_reg,
173 struct ath6kl_irq_enable_reg *irq_enable_reg)
174 {
175 ath6kl_dbg(ATH6KL_DBG_IRQ, ("<------- Register Table -------->\n"));
176
177 if (irq_proc_reg != NULL) {
178 ath6kl_dbg(ATH6KL_DBG_IRQ,
179 "Host Int status: 0x%x\n",
180 irq_proc_reg->host_int_status);
181 ath6kl_dbg(ATH6KL_DBG_IRQ,
182 "CPU Int status: 0x%x\n",
183 irq_proc_reg->cpu_int_status);
184 ath6kl_dbg(ATH6KL_DBG_IRQ,
185 "Error Int status: 0x%x\n",
186 irq_proc_reg->error_int_status);
187 ath6kl_dbg(ATH6KL_DBG_IRQ,
188 "Counter Int status: 0x%x\n",
189 irq_proc_reg->counter_int_status);
190 ath6kl_dbg(ATH6KL_DBG_IRQ,
191 "Mbox Frame: 0x%x\n",
192 irq_proc_reg->mbox_frame);
193 ath6kl_dbg(ATH6KL_DBG_IRQ,
194 "Rx Lookahead Valid: 0x%x\n",
195 irq_proc_reg->rx_lkahd_valid);
196 ath6kl_dbg(ATH6KL_DBG_IRQ,
197 "Rx Lookahead 0: 0x%x\n",
198 irq_proc_reg->rx_lkahd[0]);
199 ath6kl_dbg(ATH6KL_DBG_IRQ,
200 "Rx Lookahead 1: 0x%x\n",
201 irq_proc_reg->rx_lkahd[1]);
202
203 if (dev->ar->mbox_info.gmbox_addr != 0) {
204 /*
205 * If the target supports GMBOX hardware, dump some
206 * additional state.
207 */
208 ath6kl_dbg(ATH6KL_DBG_IRQ,
209 "GMBOX Host Int status 2: 0x%x\n",
210 irq_proc_reg->host_int_status2);
211 ath6kl_dbg(ATH6KL_DBG_IRQ,
212 "GMBOX RX Avail: 0x%x\n",
213 irq_proc_reg->gmbox_rx_avail);
214 ath6kl_dbg(ATH6KL_DBG_IRQ,
215 "GMBOX lookahead alias 0: 0x%x\n",
216 irq_proc_reg->rx_gmbox_lkahd_alias[0]);
217 ath6kl_dbg(ATH6KL_DBG_IRQ,
218 "GMBOX lookahead alias 1: 0x%x\n",
219 irq_proc_reg->rx_gmbox_lkahd_alias[1]);
220 }
221 }
222
223 if (irq_enable_reg != NULL) {
224 ath6kl_dbg(ATH6KL_DBG_IRQ,
225 "Int status Enable: 0x%x\n",
226 irq_enable_reg->int_status_en);
227 ath6kl_dbg(ATH6KL_DBG_IRQ, "Counter Int status Enable: 0x%x\n",
228 irq_enable_reg->cntr_int_status_en);
229 }
230 ath6kl_dbg(ATH6KL_DBG_IRQ, "<------------------------------->\n");
231 }
232
233 static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)
234 {
235 ath6kl_dbg(ATH6KL_DBG_CREDIT,
236 "--- endpoint: %d svc_id: 0x%X ---\n",
237 ep_dist->endpoint, ep_dist->svc_id);
238 ath6kl_dbg(ATH6KL_DBG_CREDIT, " dist_flags : 0x%X\n",
239 ep_dist->dist_flags);
240 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_norm : %d\n",
241 ep_dist->cred_norm);
242 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_min : %d\n",
243 ep_dist->cred_min);
244 ath6kl_dbg(ATH6KL_DBG_CREDIT, " credits : %d\n",
245 ep_dist->credits);
246 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_assngd : %d\n",
247 ep_dist->cred_assngd);
248 ath6kl_dbg(ATH6KL_DBG_CREDIT, " seek_cred : %d\n",
249 ep_dist->seek_cred);
250 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_sz : %d\n",
251 ep_dist->cred_sz);
252 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_per_msg : %d\n",
253 ep_dist->cred_per_msg);
254 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_to_dist : %d\n",
255 ep_dist->cred_to_dist);
256 ath6kl_dbg(ATH6KL_DBG_CREDIT, " txq_depth : %d\n",
257 get_queue_depth(&ep_dist->htc_ep->txq));
258 ath6kl_dbg(ATH6KL_DBG_CREDIT,
259 "----------------------------------\n");
260 }
261
262 /* FIXME: move to htc.c */
263 void dump_cred_dist_stats(struct htc_target *target)
264 {
265 struct htc_endpoint_credit_dist *ep_list;
266
267 list_for_each_entry(ep_list, &target->cred_dist_list, list)
268 dump_cred_dist(ep_list);
269
270 ath6kl_dbg(ATH6KL_DBG_CREDIT,
271 "credit distribution total %d free %d\n",
272 target->credit_info->total_avail_credits,
273 target->credit_info->cur_free_credits);
274 }
275
276 void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war)
277 {
278 switch (war) {
279 case ATH6KL_WAR_INVALID_RATE:
280 ar->debug.war_stats.invalid_rate++;
281 break;
282 }
283 }
284
285 static ssize_t read_file_war_stats(struct file *file, char __user *user_buf,
286 size_t count, loff_t *ppos)
287 {
288 struct ath6kl *ar = file->private_data;
289 char *buf;
290 unsigned int len = 0, buf_len = 1500;
291 ssize_t ret_cnt;
292
293 buf = kzalloc(buf_len, GFP_KERNEL);
294 if (!buf)
295 return -ENOMEM;
296
297 len += scnprintf(buf + len, buf_len - len, "\n");
298 len += scnprintf(buf + len, buf_len - len, "%25s\n",
299 "Workaround stats");
300 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
301 "=================");
302 len += scnprintf(buf + len, buf_len - len, "%20s %10u\n",
303 "Invalid rates", ar->debug.war_stats.invalid_rate);
304
305 if (WARN_ON(len > buf_len))
306 len = buf_len;
307
308 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
309
310 kfree(buf);
311 return ret_cnt;
312 }
313
314 static const struct file_operations fops_war_stats = {
315 .read = read_file_war_stats,
316 .open = simple_open,
317 .owner = THIS_MODULE,
318 .llseek = default_llseek,
319 };
320
321 void ath6kl_debug_fwlog_event(struct ath6kl *ar, const void *buf, size_t len)
322 {
323 struct ath6kl_fwlog_slot *slot;
324 struct sk_buff *skb;
325 size_t slot_len;
326
327 if (WARN_ON(len > ATH6KL_FWLOG_PAYLOAD_SIZE))
328 return;
329
330 slot_len = sizeof(*slot) + ATH6KL_FWLOG_PAYLOAD_SIZE;
331
332 skb = alloc_skb(slot_len, GFP_KERNEL);
333 if (!skb)
334 return;
335
336 slot = (struct ath6kl_fwlog_slot *) skb_put(skb, slot_len);
337 slot->timestamp = cpu_to_le32(jiffies);
338 slot->length = cpu_to_le32(len);
339 memcpy(slot->payload, buf, len);
340
341 /* Need to pad each record to fixed length ATH6KL_FWLOG_PAYLOAD_SIZE */
342 memset(slot->payload + len, 0, ATH6KL_FWLOG_PAYLOAD_SIZE - len);
343
344 spin_lock(&ar->debug.fwlog_queue.lock);
345
346 __skb_queue_tail(&ar->debug.fwlog_queue, skb);
347 complete(&ar->debug.fwlog_completion);
348
349 /* drop oldest entries */
350 while (skb_queue_len(&ar->debug.fwlog_queue) >
351 ATH6KL_FWLOG_MAX_ENTRIES) {
352 skb = __skb_dequeue(&ar->debug.fwlog_queue);
353 kfree_skb(skb);
354 }
355
356 spin_unlock(&ar->debug.fwlog_queue.lock);
357
358 return;
359 }
360
361 static int ath6kl_fwlog_open(struct inode *inode, struct file *file)
362 {
363 struct ath6kl *ar = inode->i_private;
364
365 if (ar->debug.fwlog_open)
366 return -EBUSY;
367
368 ar->debug.fwlog_open = true;
369
370 file->private_data = inode->i_private;
371 return 0;
372 }
373
374 static int ath6kl_fwlog_release(struct inode *inode, struct file *file)
375 {
376 struct ath6kl *ar = inode->i_private;
377
378 ar->debug.fwlog_open = false;
379
380 return 0;
381 }
382
383 static ssize_t ath6kl_fwlog_read(struct file *file, char __user *user_buf,
384 size_t count, loff_t *ppos)
385 {
386 struct ath6kl *ar = file->private_data;
387 struct sk_buff *skb;
388 ssize_t ret_cnt;
389 size_t len = 0;
390 char *buf;
391
392 buf = vmalloc(count);
393 if (!buf)
394 return -ENOMEM;
395
396 /* read undelivered logs from firmware */
397 ath6kl_read_fwlogs(ar);
398
399 spin_lock(&ar->debug.fwlog_queue.lock);
400
401 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
402 if (skb->len > count - len) {
403 /* not enough space, put skb back and leave */
404 __skb_queue_head(&ar->debug.fwlog_queue, skb);
405 break;
406 }
407
408
409 memcpy(buf + len, skb->data, skb->len);
410 len += skb->len;
411
412 kfree_skb(skb);
413 }
414
415 spin_unlock(&ar->debug.fwlog_queue.lock);
416
417 /* FIXME: what to do if len == 0? */
418
419 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
420
421 vfree(buf);
422
423 return ret_cnt;
424 }
425
426 static const struct file_operations fops_fwlog = {
427 .open = ath6kl_fwlog_open,
428 .release = ath6kl_fwlog_release,
429 .read = ath6kl_fwlog_read,
430 .owner = THIS_MODULE,
431 .llseek = default_llseek,
432 };
433
434 static ssize_t ath6kl_fwlog_block_read(struct file *file,
435 char __user *user_buf,
436 size_t count,
437 loff_t *ppos)
438 {
439 struct ath6kl *ar = file->private_data;
440 struct sk_buff *skb;
441 ssize_t ret_cnt;
442 size_t len = 0, not_copied;
443 char *buf;
444 int ret;
445
446 buf = vmalloc(count);
447 if (!buf)
448 return -ENOMEM;
449
450 spin_lock(&ar->debug.fwlog_queue.lock);
451
452 if (skb_queue_len(&ar->debug.fwlog_queue) == 0) {
453 /* we must init under queue lock */
454 init_completion(&ar->debug.fwlog_completion);
455
456 spin_unlock(&ar->debug.fwlog_queue.lock);
457
458 ret = wait_for_completion_interruptible(
459 &ar->debug.fwlog_completion);
460 if (ret == -ERESTARTSYS) {
461 vfree(buf);
462 return ret;
463 }
464
465 spin_lock(&ar->debug.fwlog_queue.lock);
466 }
467
468 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
469 if (skb->len > count - len) {
470 /* not enough space, put skb back and leave */
471 __skb_queue_head(&ar->debug.fwlog_queue, skb);
472 break;
473 }
474
475
476 memcpy(buf + len, skb->data, skb->len);
477 len += skb->len;
478
479 kfree_skb(skb);
480 }
481
482 spin_unlock(&ar->debug.fwlog_queue.lock);
483
484 /* FIXME: what to do if len == 0? */
485
486 not_copied = copy_to_user(user_buf, buf, len);
487 if (not_copied != 0) {
488 ret_cnt = -EFAULT;
489 goto out;
490 }
491
492 *ppos = *ppos + len;
493
494 ret_cnt = len;
495
496 out:
497 vfree(buf);
498
499 return ret_cnt;
500 }
501
502 static const struct file_operations fops_fwlog_block = {
503 .open = ath6kl_fwlog_open,
504 .release = ath6kl_fwlog_release,
505 .read = ath6kl_fwlog_block_read,
506 .owner = THIS_MODULE,
507 .llseek = default_llseek,
508 };
509
510 static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,
511 size_t count, loff_t *ppos)
512 {
513 struct ath6kl *ar = file->private_data;
514 char buf[16];
515 int len;
516
517 len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);
518
519 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
520 }
521
522 static ssize_t ath6kl_fwlog_mask_write(struct file *file,
523 const char __user *user_buf,
524 size_t count, loff_t *ppos)
525 {
526 struct ath6kl *ar = file->private_data;
527 int ret;
528
529 ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);
530 if (ret)
531 return ret;
532
533 ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,
534 ATH6KL_FWLOG_VALID_MASK,
535 ar->debug.fwlog_mask);
536 if (ret)
537 return ret;
538
539 return count;
540 }
541
542 static const struct file_operations fops_fwlog_mask = {
543 .open = simple_open,
544 .read = ath6kl_fwlog_mask_read,
545 .write = ath6kl_fwlog_mask_write,
546 .owner = THIS_MODULE,
547 .llseek = default_llseek,
548 };
549
550 static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
551 size_t count, loff_t *ppos)
552 {
553 struct ath6kl *ar = file->private_data;
554 struct ath6kl_vif *vif;
555 struct target_stats *tgt_stats;
556 char *buf;
557 unsigned int len = 0, buf_len = 1500;
558 int i;
559 long left;
560 ssize_t ret_cnt;
561
562 vif = ath6kl_vif_first(ar);
563 if (!vif)
564 return -EIO;
565
566 tgt_stats = &vif->target_stats;
567
568 buf = kzalloc(buf_len, GFP_KERNEL);
569 if (!buf)
570 return -ENOMEM;
571
572 if (down_interruptible(&ar->sem)) {
573 kfree(buf);
574 return -EBUSY;
575 }
576
577 set_bit(STATS_UPDATE_PEND, &vif->flags);
578
579 if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) {
580 up(&ar->sem);
581 kfree(buf);
582 return -EIO;
583 }
584
585 left = wait_event_interruptible_timeout(ar->event_wq,
586 !test_bit(STATS_UPDATE_PEND,
587 &vif->flags), WMI_TIMEOUT);
588
589 up(&ar->sem);
590
591 if (left <= 0) {
592 kfree(buf);
593 return -ETIMEDOUT;
594 }
595
596 len += scnprintf(buf + len, buf_len - len, "\n");
597 len += scnprintf(buf + len, buf_len - len, "%25s\n",
598 "Target Tx stats");
599 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
600 "=================");
601 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
602 "Ucast packets", tgt_stats->tx_ucast_pkt);
603 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
604 "Bcast packets", tgt_stats->tx_bcast_pkt);
605 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
606 "Ucast byte", tgt_stats->tx_ucast_byte);
607 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
608 "Bcast byte", tgt_stats->tx_bcast_byte);
609 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
610 "Rts success cnt", tgt_stats->tx_rts_success_cnt);
611 for (i = 0; i < 4; i++)
612 len += scnprintf(buf + len, buf_len - len,
613 "%18s %d %10llu\n", "PER on ac",
614 i, tgt_stats->tx_pkt_per_ac[i]);
615 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
616 "Error", tgt_stats->tx_err);
617 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
618 "Fail count", tgt_stats->tx_fail_cnt);
619 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
620 "Retry count", tgt_stats->tx_retry_cnt);
621 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
622 "Multi retry cnt", tgt_stats->tx_mult_retry_cnt);
623 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
624 "Rts fail cnt", tgt_stats->tx_rts_fail_cnt);
625 len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",
626 "TKIP counter measure used",
627 tgt_stats->tkip_cnter_measures_invoked);
628
629 len += scnprintf(buf + len, buf_len - len, "%25s\n",
630 "Target Rx stats");
631 len += scnprintf(buf + len, buf_len - len, "%25s\n",
632 "=================");
633
634 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
635 "Ucast packets", tgt_stats->rx_ucast_pkt);
636 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
637 "Ucast Rate", tgt_stats->rx_ucast_rate);
638 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
639 "Bcast packets", tgt_stats->rx_bcast_pkt);
640 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
641 "Ucast byte", tgt_stats->rx_ucast_byte);
642 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
643 "Bcast byte", tgt_stats->rx_bcast_byte);
644 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
645 "Fragmented pkt", tgt_stats->rx_frgment_pkt);
646 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
647 "Error", tgt_stats->rx_err);
648 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
649 "CRC Err", tgt_stats->rx_crc_err);
650 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
651 "Key chache miss", tgt_stats->rx_key_cache_miss);
652 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
653 "Decrypt Err", tgt_stats->rx_decrypt_err);
654 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
655 "Duplicate frame", tgt_stats->rx_dupl_frame);
656 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
657 "Tkip Mic failure", tgt_stats->tkip_local_mic_fail);
658 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
659 "TKIP format err", tgt_stats->tkip_fmt_err);
660 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
661 "CCMP format Err", tgt_stats->ccmp_fmt_err);
662 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",
663 "CCMP Replay Err", tgt_stats->ccmp_replays);
664
665 len += scnprintf(buf + len, buf_len - len, "%25s\n",
666 "Misc Target stats");
667 len += scnprintf(buf + len, buf_len - len, "%25s\n",
668 "=================");
669 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
670 "Beacon Miss count", tgt_stats->cs_bmiss_cnt);
671 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
672 "Num Connects", tgt_stats->cs_connect_cnt);
673 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
674 "Num disconnects", tgt_stats->cs_discon_cnt);
675 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
676 "Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);
677 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
678 "ARP pkt received", tgt_stats->arp_received);
679 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
680 "ARP pkt matched", tgt_stats->arp_matched);
681 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
682 "ARP pkt replied", tgt_stats->arp_replied);
683
684 if (len > buf_len)
685 len = buf_len;
686
687 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
688
689 kfree(buf);
690 return ret_cnt;
691 }
692
693 static const struct file_operations fops_tgt_stats = {
694 .read = read_file_tgt_stats,
695 .open = simple_open,
696 .owner = THIS_MODULE,
697 .llseek = default_llseek,
698 };
699
700 #define print_credit_info(fmt_str, ep_list_field) \
701 (len += scnprintf(buf + len, buf_len - len, fmt_str, \
702 ep_list->ep_list_field))
703 #define CREDIT_INFO_DISPLAY_STRING_LEN 200
704 #define CREDIT_INFO_LEN 128
705
706 static ssize_t read_file_credit_dist_stats(struct file *file,
707 char __user *user_buf,
708 size_t count, loff_t *ppos)
709 {
710 struct ath6kl *ar = file->private_data;
711 struct htc_target *target = ar->htc_target;
712 struct htc_endpoint_credit_dist *ep_list;
713 char *buf;
714 unsigned int buf_len, len = 0;
715 ssize_t ret_cnt;
716
717 buf_len = CREDIT_INFO_DISPLAY_STRING_LEN +
718 get_queue_depth(&target->cred_dist_list) * CREDIT_INFO_LEN;
719 buf = kzalloc(buf_len, GFP_KERNEL);
720 if (!buf)
721 return -ENOMEM;
722
723 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
724 "Total Avail Credits: ",
725 target->credit_info->total_avail_credits);
726 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
727 "Free credits :",
728 target->credit_info->cur_free_credits);
729
730 len += scnprintf(buf + len, buf_len - len,
731 " Epid Flags Cred_norm Cred_min Credits Cred_assngd"
732 " Seek_cred Cred_sz Cred_per_msg Cred_to_dist"
733 " qdepth\n");
734
735 list_for_each_entry(ep_list, &target->cred_dist_list, list) {
736 print_credit_info(" %2d", endpoint);
737 print_credit_info("%10x", dist_flags);
738 print_credit_info("%8d", cred_norm);
739 print_credit_info("%9d", cred_min);
740 print_credit_info("%9d", credits);
741 print_credit_info("%10d", cred_assngd);
742 print_credit_info("%13d", seek_cred);
743 print_credit_info("%12d", cred_sz);
744 print_credit_info("%9d", cred_per_msg);
745 print_credit_info("%14d", cred_to_dist);
746 len += scnprintf(buf + len, buf_len - len, "%12d\n",
747 get_queue_depth(&ep_list->htc_ep->txq));
748 }
749
750 if (len > buf_len)
751 len = buf_len;
752
753 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
754 kfree(buf);
755 return ret_cnt;
756 }
757
758 static const struct file_operations fops_credit_dist_stats = {
759 .read = read_file_credit_dist_stats,
760 .open = simple_open,
761 .owner = THIS_MODULE,
762 .llseek = default_llseek,
763 };
764
765 static unsigned int print_endpoint_stat(struct htc_target *target, char *buf,
766 unsigned int buf_len, unsigned int len,
767 int offset, const char *name)
768 {
769 int i;
770 struct htc_endpoint_stats *ep_st;
771 u32 *counter;
772
773 len += scnprintf(buf + len, buf_len - len, "%s:", name);
774 for (i = 0; i < ENDPOINT_MAX; i++) {
775 ep_st = &target->endpoint[i].ep_st;
776 counter = ((u32 *) ep_st) + (offset / 4);
777 len += scnprintf(buf + len, buf_len - len, " %u", *counter);
778 }
779 len += scnprintf(buf + len, buf_len - len, "\n");
780
781 return len;
782 }
783
784 static ssize_t ath6kl_endpoint_stats_read(struct file *file,
785 char __user *user_buf,
786 size_t count, loff_t *ppos)
787 {
788 struct ath6kl *ar = file->private_data;
789 struct htc_target *target = ar->htc_target;
790 char *buf;
791 unsigned int buf_len, len = 0;
792 ssize_t ret_cnt;
793
794 buf_len = sizeof(struct htc_endpoint_stats) / sizeof(u32) *
795 (25 + ENDPOINT_MAX * 11);
796 buf = kmalloc(buf_len, GFP_KERNEL);
797 if (!buf)
798 return -ENOMEM;
799
800 #define EPSTAT(name) \
801 do { \
802 len = print_endpoint_stat(target, buf, buf_len, len, \
803 offsetof(struct htc_endpoint_stats, \
804 name), \
805 #name); \
806 } while (0)
807
808 EPSTAT(cred_low_indicate);
809 EPSTAT(tx_issued);
810 EPSTAT(tx_pkt_bundled);
811 EPSTAT(tx_bundles);
812 EPSTAT(tx_dropped);
813 EPSTAT(tx_cred_rpt);
814 EPSTAT(cred_rpt_from_rx);
815 EPSTAT(cred_rpt_from_other);
816 EPSTAT(cred_rpt_ep0);
817 EPSTAT(cred_from_rx);
818 EPSTAT(cred_from_other);
819 EPSTAT(cred_from_ep0);
820 EPSTAT(cred_cosumd);
821 EPSTAT(cred_retnd);
822 EPSTAT(rx_pkts);
823 EPSTAT(rx_lkahds);
824 EPSTAT(rx_bundl);
825 EPSTAT(rx_bundle_lkahd);
826 EPSTAT(rx_bundle_from_hdr);
827 EPSTAT(rx_alloc_thresh_hit);
828 EPSTAT(rxalloc_thresh_byte);
829 #undef EPSTAT
830
831 if (len > buf_len)
832 len = buf_len;
833
834 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
835 kfree(buf);
836 return ret_cnt;
837 }
838
839 static ssize_t ath6kl_endpoint_stats_write(struct file *file,
840 const char __user *user_buf,
841 size_t count, loff_t *ppos)
842 {
843 struct ath6kl *ar = file->private_data;
844 struct htc_target *target = ar->htc_target;
845 int ret, i;
846 u32 val;
847 struct htc_endpoint_stats *ep_st;
848
849 ret = kstrtou32_from_user(user_buf, count, 0, &val);
850 if (ret)
851 return ret;
852 if (val == 0) {
853 for (i = 0; i < ENDPOINT_MAX; i++) {
854 ep_st = &target->endpoint[i].ep_st;
855 memset(ep_st, 0, sizeof(*ep_st));
856 }
857 }
858
859 return count;
860 }
861
862 static const struct file_operations fops_endpoint_stats = {
863 .open = simple_open,
864 .read = ath6kl_endpoint_stats_read,
865 .write = ath6kl_endpoint_stats_write,
866 .owner = THIS_MODULE,
867 .llseek = default_llseek,
868 };
869
870 static unsigned long ath6kl_get_num_reg(void)
871 {
872 int i;
873 unsigned long n_reg = 0;
874
875 for (i = 0; i < ARRAY_SIZE(diag_reg); i++)
876 n_reg = n_reg +
877 (diag_reg[i].reg_end - diag_reg[i].reg_start) / 4 + 1;
878
879 return n_reg;
880 }
881
882 static bool ath6kl_dbg_is_diag_reg_valid(u32 reg_addr)
883 {
884 int i;
885
886 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
887 if (reg_addr >= diag_reg[i].reg_start &&
888 reg_addr <= diag_reg[i].reg_end)
889 return true;
890 }
891
892 return false;
893 }
894
895 static ssize_t ath6kl_regread_read(struct file *file, char __user *user_buf,
896 size_t count, loff_t *ppos)
897 {
898 struct ath6kl *ar = file->private_data;
899 u8 buf[50];
900 unsigned int len = 0;
901
902 if (ar->debug.dbgfs_diag_reg)
903 len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n",
904 ar->debug.dbgfs_diag_reg);
905 else
906 len += scnprintf(buf + len, sizeof(buf) - len,
907 "All diag registers\n");
908
909 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
910 }
911
912 static ssize_t ath6kl_regread_write(struct file *file,
913 const char __user *user_buf,
914 size_t count, loff_t *ppos)
915 {
916 struct ath6kl *ar = file->private_data;
917 unsigned long reg_addr;
918
919 if (kstrtoul_from_user(user_buf, count, 0, &reg_addr))
920 return -EINVAL;
921
922 if ((reg_addr % 4) != 0)
923 return -EINVAL;
924
925 if (reg_addr && !ath6kl_dbg_is_diag_reg_valid(reg_addr))
926 return -EINVAL;
927
928 ar->debug.dbgfs_diag_reg = reg_addr;
929
930 return count;
931 }
932
933 static const struct file_operations fops_diag_reg_read = {
934 .read = ath6kl_regread_read,
935 .write = ath6kl_regread_write,
936 .open = simple_open,
937 .owner = THIS_MODULE,
938 .llseek = default_llseek,
939 };
940
941 static int ath6kl_regdump_open(struct inode *inode, struct file *file)
942 {
943 struct ath6kl *ar = inode->i_private;
944 u8 *buf;
945 unsigned long int reg_len;
946 unsigned int len = 0, n_reg;
947 u32 addr;
948 __le32 reg_val;
949 int i, status;
950
951 /* Dump all the registers if no register is specified */
952 if (!ar->debug.dbgfs_diag_reg)
953 n_reg = ath6kl_get_num_reg();
954 else
955 n_reg = 1;
956
957 reg_len = n_reg * REG_OUTPUT_LEN_PER_LINE;
958 if (n_reg > 1)
959 reg_len += REGTYPE_STR_LEN;
960
961 buf = vmalloc(reg_len);
962 if (!buf)
963 return -ENOMEM;
964
965 if (n_reg == 1) {
966 addr = ar->debug.dbgfs_diag_reg;
967
968 status = ath6kl_diag_read32(ar,
969 TARG_VTOP(ar->target_type, addr),
970 (u32 *)&reg_val);
971 if (status)
972 goto fail_reg_read;
973
974 len += scnprintf(buf + len, reg_len - len,
975 "0x%06x 0x%08x\n", addr, le32_to_cpu(reg_val));
976 goto done;
977 }
978
979 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
980 len += scnprintf(buf + len, reg_len - len,
981 "%s\n", diag_reg[i].reg_info);
982 for (addr = diag_reg[i].reg_start;
983 addr <= diag_reg[i].reg_end; addr += 4) {
984 status = ath6kl_diag_read32(ar,
985 TARG_VTOP(ar->target_type, addr),
986 (u32 *)&reg_val);
987 if (status)
988 goto fail_reg_read;
989
990 len += scnprintf(buf + len, reg_len - len,
991 "0x%06x 0x%08x\n",
992 addr, le32_to_cpu(reg_val));
993 }
994 }
995
996 done:
997 file->private_data = buf;
998 return 0;
999
1000 fail_reg_read:
1001 ath6kl_warn("Unable to read memory:%u\n", addr);
1002 vfree(buf);
1003 return -EIO;
1004 }
1005
1006 static ssize_t ath6kl_regdump_read(struct file *file, char __user *user_buf,
1007 size_t count, loff_t *ppos)
1008 {
1009 u8 *buf = file->private_data;
1010 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
1011 }
1012
1013 static int ath6kl_regdump_release(struct inode *inode, struct file *file)
1014 {
1015 vfree(file->private_data);
1016 return 0;
1017 }
1018
1019 static const struct file_operations fops_reg_dump = {
1020 .open = ath6kl_regdump_open,
1021 .read = ath6kl_regdump_read,
1022 .release = ath6kl_regdump_release,
1023 .owner = THIS_MODULE,
1024 .llseek = default_llseek,
1025 };
1026
1027 static ssize_t ath6kl_lrssi_roam_write(struct file *file,
1028 const char __user *user_buf,
1029 size_t count, loff_t *ppos)
1030 {
1031 struct ath6kl *ar = file->private_data;
1032 unsigned long lrssi_roam_threshold;
1033
1034 if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold))
1035 return -EINVAL;
1036
1037 ar->lrssi_roam_threshold = lrssi_roam_threshold;
1038
1039 ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);
1040
1041 return count;
1042 }
1043
1044 static ssize_t ath6kl_lrssi_roam_read(struct file *file,
1045 char __user *user_buf,
1046 size_t count, loff_t *ppos)
1047 {
1048 struct ath6kl *ar = file->private_data;
1049 char buf[32];
1050 unsigned int len;
1051
1052 len = snprintf(buf, sizeof(buf), "%u\n", ar->lrssi_roam_threshold);
1053
1054 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1055 }
1056
1057 static const struct file_operations fops_lrssi_roam_threshold = {
1058 .read = ath6kl_lrssi_roam_read,
1059 .write = ath6kl_lrssi_roam_write,
1060 .open = simple_open,
1061 .owner = THIS_MODULE,
1062 .llseek = default_llseek,
1063 };
1064
1065 static ssize_t ath6kl_regwrite_read(struct file *file,
1066 char __user *user_buf,
1067 size_t count, loff_t *ppos)
1068 {
1069 struct ath6kl *ar = file->private_data;
1070 u8 buf[32];
1071 unsigned int len = 0;
1072
1073 len = scnprintf(buf, sizeof(buf), "Addr: 0x%x Val: 0x%x\n",
1074 ar->debug.diag_reg_addr_wr, ar->debug.diag_reg_val_wr);
1075
1076 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1077 }
1078
1079 static ssize_t ath6kl_regwrite_write(struct file *file,
1080 const char __user *user_buf,
1081 size_t count, loff_t *ppos)
1082 {
1083 struct ath6kl *ar = file->private_data;
1084 char buf[32];
1085 char *sptr, *token;
1086 unsigned int len = 0;
1087 u32 reg_addr, reg_val;
1088
1089 len = min(count, sizeof(buf) - 1);
1090 if (copy_from_user(buf, user_buf, len))
1091 return -EFAULT;
1092
1093 buf[len] = '\0';
1094 sptr = buf;
1095
1096 token = strsep(&sptr, "=");
1097 if (!token)
1098 return -EINVAL;
1099
1100 if (kstrtou32(token, 0, &reg_addr))
1101 return -EINVAL;
1102
1103 if (!ath6kl_dbg_is_diag_reg_valid(reg_addr))
1104 return -EINVAL;
1105
1106 if (kstrtou32(sptr, 0, &reg_val))
1107 return -EINVAL;
1108
1109 ar->debug.diag_reg_addr_wr = reg_addr;
1110 ar->debug.diag_reg_val_wr = reg_val;
1111
1112 if (ath6kl_diag_write32(ar, ar->debug.diag_reg_addr_wr,
1113 cpu_to_le32(ar->debug.diag_reg_val_wr)))
1114 return -EIO;
1115
1116 return count;
1117 }
1118
1119 static const struct file_operations fops_diag_reg_write = {
1120 .read = ath6kl_regwrite_read,
1121 .write = ath6kl_regwrite_write,
1122 .open = simple_open,
1123 .owner = THIS_MODULE,
1124 .llseek = default_llseek,
1125 };
1126
1127 int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,
1128 size_t len)
1129 {
1130 const struct wmi_target_roam_tbl *tbl;
1131 u16 num_entries;
1132
1133 if (len < sizeof(*tbl))
1134 return -EINVAL;
1135
1136 tbl = (const struct wmi_target_roam_tbl *) buf;
1137 num_entries = le16_to_cpu(tbl->num_entries);
1138 if (sizeof(*tbl) + num_entries * sizeof(struct wmi_bss_roam_info) >
1139 len)
1140 return -EINVAL;
1141
1142 if (ar->debug.roam_tbl == NULL ||
1143 ar->debug.roam_tbl_len < (unsigned int) len) {
1144 kfree(ar->debug.roam_tbl);
1145 ar->debug.roam_tbl = kmalloc(len, GFP_ATOMIC);
1146 if (ar->debug.roam_tbl == NULL)
1147 return -ENOMEM;
1148 }
1149
1150 memcpy(ar->debug.roam_tbl, buf, len);
1151 ar->debug.roam_tbl_len = len;
1152
1153 if (test_bit(ROAM_TBL_PEND, &ar->flag)) {
1154 clear_bit(ROAM_TBL_PEND, &ar->flag);
1155 wake_up(&ar->event_wq);
1156 }
1157
1158 return 0;
1159 }
1160
1161 static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,
1162 size_t count, loff_t *ppos)
1163 {
1164 struct ath6kl *ar = file->private_data;
1165 int ret;
1166 long left;
1167 struct wmi_target_roam_tbl *tbl;
1168 u16 num_entries, i;
1169 char *buf;
1170 unsigned int len, buf_len;
1171 ssize_t ret_cnt;
1172
1173 if (down_interruptible(&ar->sem))
1174 return -EBUSY;
1175
1176 set_bit(ROAM_TBL_PEND, &ar->flag);
1177
1178 ret = ath6kl_wmi_get_roam_tbl_cmd(ar->wmi);
1179 if (ret) {
1180 up(&ar->sem);
1181 return ret;
1182 }
1183
1184 left = wait_event_interruptible_timeout(
1185 ar->event_wq, !test_bit(ROAM_TBL_PEND, &ar->flag), WMI_TIMEOUT);
1186 up(&ar->sem);
1187
1188 if (left <= 0)
1189 return -ETIMEDOUT;
1190
1191 if (ar->debug.roam_tbl == NULL)
1192 return -ENOMEM;
1193
1194 tbl = (struct wmi_target_roam_tbl *) ar->debug.roam_tbl;
1195 num_entries = le16_to_cpu(tbl->num_entries);
1196
1197 buf_len = 100 + num_entries * 100;
1198 buf = kzalloc(buf_len, GFP_KERNEL);
1199 if (buf == NULL)
1200 return -ENOMEM;
1201 len = 0;
1202 len += scnprintf(buf + len, buf_len - len,
1203 "roam_mode=%u\n\n"
1204 "# roam_util bssid rssi rssidt last_rssi util bias\n",
1205 le16_to_cpu(tbl->roam_mode));
1206
1207 for (i = 0; i < num_entries; i++) {
1208 struct wmi_bss_roam_info *info = &tbl->info[i];
1209 len += scnprintf(buf + len, buf_len - len,
1210 "%d %pM %d %d %d %d %d\n",
1211 a_sle32_to_cpu(info->roam_util), info->bssid,
1212 info->rssi, info->rssidt, info->last_rssi,
1213 info->util, info->bias);
1214 }
1215
1216 if (len > buf_len)
1217 len = buf_len;
1218
1219 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1220
1221 kfree(buf);
1222 return ret_cnt;
1223 }
1224
1225 static const struct file_operations fops_roam_table = {
1226 .read = ath6kl_roam_table_read,
1227 .open = simple_open,
1228 .owner = THIS_MODULE,
1229 .llseek = default_llseek,
1230 };
1231
1232 static ssize_t ath6kl_force_roam_write(struct file *file,
1233 const char __user *user_buf,
1234 size_t count, loff_t *ppos)
1235 {
1236 struct ath6kl *ar = file->private_data;
1237 int ret;
1238 char buf[20];
1239 size_t len;
1240 u8 bssid[ETH_ALEN];
1241
1242 len = min(count, sizeof(buf) - 1);
1243 if (copy_from_user(buf, user_buf, len))
1244 return -EFAULT;
1245 buf[len] = '\0';
1246
1247 if (!mac_pton(buf, bssid))
1248 return -EINVAL;
1249
1250 ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);
1251 if (ret)
1252 return ret;
1253
1254 return count;
1255 }
1256
1257 static const struct file_operations fops_force_roam = {
1258 .write = ath6kl_force_roam_write,
1259 .open = simple_open,
1260 .owner = THIS_MODULE,
1261 .llseek = default_llseek,
1262 };
1263
1264 static ssize_t ath6kl_roam_mode_write(struct file *file,
1265 const char __user *user_buf,
1266 size_t count, loff_t *ppos)
1267 {
1268 struct ath6kl *ar = file->private_data;
1269 int ret;
1270 char buf[20];
1271 size_t len;
1272 enum wmi_roam_mode mode;
1273
1274 len = min(count, sizeof(buf) - 1);
1275 if (copy_from_user(buf, user_buf, len))
1276 return -EFAULT;
1277 buf[len] = '\0';
1278 if (len > 0 && buf[len - 1] == '\n')
1279 buf[len - 1] = '\0';
1280
1281 if (strcasecmp(buf, "default") == 0)
1282 mode = WMI_DEFAULT_ROAM_MODE;
1283 else if (strcasecmp(buf, "bssbias") == 0)
1284 mode = WMI_HOST_BIAS_ROAM_MODE;
1285 else if (strcasecmp(buf, "lock") == 0)
1286 mode = WMI_LOCK_BSS_MODE;
1287 else
1288 return -EINVAL;
1289
1290 ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);
1291 if (ret)
1292 return ret;
1293
1294 return count;
1295 }
1296
1297 static const struct file_operations fops_roam_mode = {
1298 .write = ath6kl_roam_mode_write,
1299 .open = simple_open,
1300 .owner = THIS_MODULE,
1301 .llseek = default_llseek,
1302 };
1303
1304 void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)
1305 {
1306 ar->debug.keepalive = keepalive;
1307 }
1308
1309 static ssize_t ath6kl_keepalive_read(struct file *file, char __user *user_buf,
1310 size_t count, loff_t *ppos)
1311 {
1312 struct ath6kl *ar = file->private_data;
1313 char buf[16];
1314 int len;
1315
1316 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.keepalive);
1317
1318 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1319 }
1320
1321 static ssize_t ath6kl_keepalive_write(struct file *file,
1322 const char __user *user_buf,
1323 size_t count, loff_t *ppos)
1324 {
1325 struct ath6kl *ar = file->private_data;
1326 int ret;
1327 u8 val;
1328
1329 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1330 if (ret)
1331 return ret;
1332
1333 ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, 0, val);
1334 if (ret)
1335 return ret;
1336
1337 return count;
1338 }
1339
1340 static const struct file_operations fops_keepalive = {
1341 .open = simple_open,
1342 .read = ath6kl_keepalive_read,
1343 .write = ath6kl_keepalive_write,
1344 .owner = THIS_MODULE,
1345 .llseek = default_llseek,
1346 };
1347
1348 void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)
1349 {
1350 ar->debug.disc_timeout = timeout;
1351 }
1352
1353 static ssize_t ath6kl_disconnect_timeout_read(struct file *file,
1354 char __user *user_buf,
1355 size_t count, loff_t *ppos)
1356 {
1357 struct ath6kl *ar = file->private_data;
1358 char buf[16];
1359 int len;
1360
1361 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.disc_timeout);
1362
1363 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1364 }
1365
1366 static ssize_t ath6kl_disconnect_timeout_write(struct file *file,
1367 const char __user *user_buf,
1368 size_t count, loff_t *ppos)
1369 {
1370 struct ath6kl *ar = file->private_data;
1371 int ret;
1372 u8 val;
1373
1374 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1375 if (ret)
1376 return ret;
1377
1378 ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, 0, val);
1379 if (ret)
1380 return ret;
1381
1382 return count;
1383 }
1384
1385 static const struct file_operations fops_disconnect_timeout = {
1386 .open = simple_open,
1387 .read = ath6kl_disconnect_timeout_read,
1388 .write = ath6kl_disconnect_timeout_write,
1389 .owner = THIS_MODULE,
1390 .llseek = default_llseek,
1391 };
1392
1393 static ssize_t ath6kl_create_qos_write(struct file *file,
1394 const char __user *user_buf,
1395 size_t count, loff_t *ppos)
1396 {
1397 struct ath6kl *ar = file->private_data;
1398 struct ath6kl_vif *vif;
1399 char buf[200];
1400 ssize_t len;
1401 char *sptr, *token;
1402 struct wmi_create_pstream_cmd pstream;
1403 u32 val32;
1404 u16 val16;
1405
1406 vif = ath6kl_vif_first(ar);
1407 if (!vif)
1408 return -EIO;
1409
1410 len = min(count, sizeof(buf) - 1);
1411 if (copy_from_user(buf, user_buf, len))
1412 return -EFAULT;
1413 buf[len] = '\0';
1414 sptr = buf;
1415
1416 token = strsep(&sptr, " ");
1417 if (!token)
1418 return -EINVAL;
1419 if (kstrtou8(token, 0, &pstream.user_pri))
1420 return -EINVAL;
1421
1422 token = strsep(&sptr, " ");
1423 if (!token)
1424 return -EINVAL;
1425 if (kstrtou8(token, 0, &pstream.traffic_direc))
1426 return -EINVAL;
1427
1428 token = strsep(&sptr, " ");
1429 if (!token)
1430 return -EINVAL;
1431 if (kstrtou8(token, 0, &pstream.traffic_class))
1432 return -EINVAL;
1433
1434 token = strsep(&sptr, " ");
1435 if (!token)
1436 return -EINVAL;
1437 if (kstrtou8(token, 0, &pstream.traffic_type))
1438 return -EINVAL;
1439
1440 token = strsep(&sptr, " ");
1441 if (!token)
1442 return -EINVAL;
1443 if (kstrtou8(token, 0, &pstream.voice_psc_cap))
1444 return -EINVAL;
1445
1446 token = strsep(&sptr, " ");
1447 if (!token)
1448 return -EINVAL;
1449 if (kstrtou32(token, 0, &val32))
1450 return -EINVAL;
1451 pstream.min_service_int = cpu_to_le32(val32);
1452
1453 token = strsep(&sptr, " ");
1454 if (!token)
1455 return -EINVAL;
1456 if (kstrtou32(token, 0, &val32))
1457 return -EINVAL;
1458 pstream.max_service_int = cpu_to_le32(val32);
1459
1460 token = strsep(&sptr, " ");
1461 if (!token)
1462 return -EINVAL;
1463 if (kstrtou32(token, 0, &val32))
1464 return -EINVAL;
1465 pstream.inactivity_int = cpu_to_le32(val32);
1466
1467 token = strsep(&sptr, " ");
1468 if (!token)
1469 return -EINVAL;
1470 if (kstrtou32(token, 0, &val32))
1471 return -EINVAL;
1472 pstream.suspension_int = cpu_to_le32(val32);
1473
1474 token = strsep(&sptr, " ");
1475 if (!token)
1476 return -EINVAL;
1477 if (kstrtou32(token, 0, &val32))
1478 return -EINVAL;
1479 pstream.service_start_time = cpu_to_le32(val32);
1480
1481 token = strsep(&sptr, " ");
1482 if (!token)
1483 return -EINVAL;
1484 if (kstrtou8(token, 0, &pstream.tsid))
1485 return -EINVAL;
1486
1487 token = strsep(&sptr, " ");
1488 if (!token)
1489 return -EINVAL;
1490 if (kstrtou16(token, 0, &val16))
1491 return -EINVAL;
1492 pstream.nominal_msdu = cpu_to_le16(val16);
1493
1494 token = strsep(&sptr, " ");
1495 if (!token)
1496 return -EINVAL;
1497 if (kstrtou16(token, 0, &val16))
1498 return -EINVAL;
1499 pstream.max_msdu = cpu_to_le16(val16);
1500
1501 token = strsep(&sptr, " ");
1502 if (!token)
1503 return -EINVAL;
1504 if (kstrtou32(token, 0, &val32))
1505 return -EINVAL;
1506 pstream.min_data_rate = cpu_to_le32(val32);
1507
1508 token = strsep(&sptr, " ");
1509 if (!token)
1510 return -EINVAL;
1511 if (kstrtou32(token, 0, &val32))
1512 return -EINVAL;
1513 pstream.mean_data_rate = cpu_to_le32(val32);
1514
1515 token = strsep(&sptr, " ");
1516 if (!token)
1517 return -EINVAL;
1518 if (kstrtou32(token, 0, &val32))
1519 return -EINVAL;
1520 pstream.peak_data_rate = cpu_to_le32(val32);
1521
1522 token = strsep(&sptr, " ");
1523 if (!token)
1524 return -EINVAL;
1525 if (kstrtou32(token, 0, &val32))
1526 return -EINVAL;
1527 pstream.max_burst_size = cpu_to_le32(val32);
1528
1529 token = strsep(&sptr, " ");
1530 if (!token)
1531 return -EINVAL;
1532 if (kstrtou32(token, 0, &val32))
1533 return -EINVAL;
1534 pstream.delay_bound = cpu_to_le32(val32);
1535
1536 token = strsep(&sptr, " ");
1537 if (!token)
1538 return -EINVAL;
1539 if (kstrtou32(token, 0, &val32))
1540 return -EINVAL;
1541 pstream.min_phy_rate = cpu_to_le32(val32);
1542
1543 token = strsep(&sptr, " ");
1544 if (!token)
1545 return -EINVAL;
1546 if (kstrtou32(token, 0, &val32))
1547 return -EINVAL;
1548 pstream.sba = cpu_to_le32(val32);
1549
1550 token = strsep(&sptr, " ");
1551 if (!token)
1552 return -EINVAL;
1553 if (kstrtou32(token, 0, &val32))
1554 return -EINVAL;
1555 pstream.medium_time = cpu_to_le32(val32);
1556
1557 pstream.nominal_phy = le32_to_cpu(pstream.min_phy_rate) / 1000000;
1558
1559 ath6kl_wmi_create_pstream_cmd(ar->wmi, vif->fw_vif_idx, &pstream);
1560
1561 return count;
1562 }
1563
1564 static const struct file_operations fops_create_qos = {
1565 .write = ath6kl_create_qos_write,
1566 .open = simple_open,
1567 .owner = THIS_MODULE,
1568 .llseek = default_llseek,
1569 };
1570
1571 static ssize_t ath6kl_delete_qos_write(struct file *file,
1572 const char __user *user_buf,
1573 size_t count, loff_t *ppos)
1574 {
1575 struct ath6kl *ar = file->private_data;
1576 struct ath6kl_vif *vif;
1577 char buf[100];
1578 ssize_t len;
1579 char *sptr, *token;
1580 u8 traffic_class;
1581 u8 tsid;
1582
1583 vif = ath6kl_vif_first(ar);
1584 if (!vif)
1585 return -EIO;
1586
1587 len = min(count, sizeof(buf) - 1);
1588 if (copy_from_user(buf, user_buf, len))
1589 return -EFAULT;
1590 buf[len] = '\0';
1591 sptr = buf;
1592
1593 token = strsep(&sptr, " ");
1594 if (!token)
1595 return -EINVAL;
1596 if (kstrtou8(token, 0, &traffic_class))
1597 return -EINVAL;
1598
1599 token = strsep(&sptr, " ");
1600 if (!token)
1601 return -EINVAL;
1602 if (kstrtou8(token, 0, &tsid))
1603 return -EINVAL;
1604
1605 ath6kl_wmi_delete_pstream_cmd(ar->wmi, vif->fw_vif_idx,
1606 traffic_class, tsid);
1607
1608 return count;
1609 }
1610
1611 static const struct file_operations fops_delete_qos = {
1612 .write = ath6kl_delete_qos_write,
1613 .open = simple_open,
1614 .owner = THIS_MODULE,
1615 .llseek = default_llseek,
1616 };
1617
1618 static ssize_t ath6kl_bgscan_int_write(struct file *file,
1619 const char __user *user_buf,
1620 size_t count, loff_t *ppos)
1621 {
1622 struct ath6kl *ar = file->private_data;
1623 struct ath6kl_vif *vif;
1624 u16 bgscan_int;
1625 char buf[32];
1626 ssize_t len;
1627
1628 vif = ath6kl_vif_first(ar);
1629 if (!vif)
1630 return -EIO;
1631
1632 len = min(count, sizeof(buf) - 1);
1633 if (copy_from_user(buf, user_buf, len))
1634 return -EFAULT;
1635
1636 buf[len] = '\0';
1637 if (kstrtou16(buf, 0, &bgscan_int))
1638 return -EINVAL;
1639
1640 if (bgscan_int == 0)
1641 bgscan_int = 0xffff;
1642
1643 vif->bg_scan_period = bgscan_int;
1644
1645 ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,
1646 0, 0, 0);
1647
1648 return count;
1649 }
1650
1651 static const struct file_operations fops_bgscan_int = {
1652 .write = ath6kl_bgscan_int_write,
1653 .open = simple_open,
1654 .owner = THIS_MODULE,
1655 .llseek = default_llseek,
1656 };
1657
1658 static ssize_t ath6kl_listen_int_write(struct file *file,
1659 const char __user *user_buf,
1660 size_t count, loff_t *ppos)
1661 {
1662 struct ath6kl *ar = file->private_data;
1663 struct ath6kl_vif *vif;
1664 u16 listen_interval;
1665 char buf[32];
1666 ssize_t len;
1667
1668 vif = ath6kl_vif_first(ar);
1669 if (!vif)
1670 return -EIO;
1671
1672 len = min(count, sizeof(buf) - 1);
1673 if (copy_from_user(buf, user_buf, len))
1674 return -EFAULT;
1675
1676 buf[len] = '\0';
1677 if (kstrtou16(buf, 0, &listen_interval))
1678 return -EINVAL;
1679
1680 if ((listen_interval < 15) || (listen_interval > 3000))
1681 return -EINVAL;
1682
1683 vif->listen_intvl_t = listen_interval;
1684 ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
1685 vif->listen_intvl_t, 0);
1686
1687 return count;
1688 }
1689
1690 static ssize_t ath6kl_listen_int_read(struct file *file,
1691 char __user *user_buf,
1692 size_t count, loff_t *ppos)
1693 {
1694 struct ath6kl *ar = file->private_data;
1695 struct ath6kl_vif *vif;
1696 char buf[32];
1697 int len;
1698
1699 vif = ath6kl_vif_first(ar);
1700 if (!vif)
1701 return -EIO;
1702
1703 len = scnprintf(buf, sizeof(buf), "%u\n", vif->listen_intvl_t);
1704
1705 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1706 }
1707
1708 static const struct file_operations fops_listen_int = {
1709 .read = ath6kl_listen_int_read,
1710 .write = ath6kl_listen_int_write,
1711 .open = simple_open,
1712 .owner = THIS_MODULE,
1713 .llseek = default_llseek,
1714 };
1715
1716 static ssize_t ath6kl_power_params_write(struct file *file,
1717 const char __user *user_buf,
1718 size_t count, loff_t *ppos)
1719 {
1720 struct ath6kl *ar = file->private_data;
1721 u8 buf[100];
1722 unsigned int len = 0;
1723 char *sptr, *token;
1724 u16 idle_period, ps_poll_num, dtim,
1725 tx_wakeup, num_tx;
1726
1727 len = min(count, sizeof(buf) - 1);
1728 if (copy_from_user(buf, user_buf, len))
1729 return -EFAULT;
1730 buf[len] = '\0';
1731 sptr = buf;
1732
1733 token = strsep(&sptr, " ");
1734 if (!token)
1735 return -EINVAL;
1736 if (kstrtou16(token, 0, &idle_period))
1737 return -EINVAL;
1738
1739 token = strsep(&sptr, " ");
1740 if (!token)
1741 return -EINVAL;
1742 if (kstrtou16(token, 0, &ps_poll_num))
1743 return -EINVAL;
1744
1745 token = strsep(&sptr, " ");
1746 if (!token)
1747 return -EINVAL;
1748 if (kstrtou16(token, 0, &dtim))
1749 return -EINVAL;
1750
1751 token = strsep(&sptr, " ");
1752 if (!token)
1753 return -EINVAL;
1754 if (kstrtou16(token, 0, &tx_wakeup))
1755 return -EINVAL;
1756
1757 token = strsep(&sptr, " ");
1758 if (!token)
1759 return -EINVAL;
1760 if (kstrtou16(token, 0, &num_tx))
1761 return -EINVAL;
1762
1763 ath6kl_wmi_pmparams_cmd(ar->wmi, 0, idle_period, ps_poll_num,
1764 dtim, tx_wakeup, num_tx, 0);
1765
1766 return count;
1767 }
1768
1769 static const struct file_operations fops_power_params = {
1770 .write = ath6kl_power_params_write,
1771 .open = simple_open,
1772 .owner = THIS_MODULE,
1773 .llseek = default_llseek,
1774 };
1775
1776 void ath6kl_debug_init(struct ath6kl *ar)
1777 {
1778 skb_queue_head_init(&ar->debug.fwlog_queue);
1779 init_completion(&ar->debug.fwlog_completion);
1780
1781 /*
1782 * Actually we are lying here but don't know how to read the mask
1783 * value from the firmware.
1784 */
1785 ar->debug.fwlog_mask = 0;
1786 }
1787
1788 /*
1789 * Initialisation needs to happen in two stages as fwlog events can come
1790 * before cfg80211 is initialised, and debugfs depends on cfg80211
1791 * initialisation.
1792 */
1793 int ath6kl_debug_init_fs(struct ath6kl *ar)
1794 {
1795 ar->debugfs_phy = debugfs_create_dir("ath6kl",
1796 ar->wiphy->debugfsdir);
1797 if (!ar->debugfs_phy)
1798 return -ENOMEM;
1799
1800 debugfs_create_file("tgt_stats", S_IRUSR, ar->debugfs_phy, ar,
1801 &fops_tgt_stats);
1802
1803 if (ar->hif_type == ATH6KL_HIF_TYPE_SDIO)
1804 debugfs_create_file("credit_dist_stats", S_IRUSR,
1805 ar->debugfs_phy, ar,
1806 &fops_credit_dist_stats);
1807
1808 debugfs_create_file("endpoint_stats", S_IRUSR | S_IWUSR,
1809 ar->debugfs_phy, ar, &fops_endpoint_stats);
1810
1811 debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar,
1812 &fops_fwlog);
1813
1814 debugfs_create_file("fwlog_block", S_IRUSR, ar->debugfs_phy, ar,
1815 &fops_fwlog_block);
1816
1817 debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy,
1818 ar, &fops_fwlog_mask);
1819
1820 debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
1821 &fops_diag_reg_read);
1822
1823 debugfs_create_file("reg_dump", S_IRUSR, ar->debugfs_phy, ar,
1824 &fops_reg_dump);
1825
1826 debugfs_create_file("lrssi_roam_threshold", S_IRUSR | S_IWUSR,
1827 ar->debugfs_phy, ar, &fops_lrssi_roam_threshold);
1828
1829 debugfs_create_file("reg_write", S_IRUSR | S_IWUSR,
1830 ar->debugfs_phy, ar, &fops_diag_reg_write);
1831
1832 debugfs_create_file("war_stats", S_IRUSR, ar->debugfs_phy, ar,
1833 &fops_war_stats);
1834
1835 debugfs_create_file("roam_table", S_IRUSR, ar->debugfs_phy, ar,
1836 &fops_roam_table);
1837
1838 debugfs_create_file("force_roam", S_IWUSR, ar->debugfs_phy, ar,
1839 &fops_force_roam);
1840
1841 debugfs_create_file("roam_mode", S_IWUSR, ar->debugfs_phy, ar,
1842 &fops_roam_mode);
1843
1844 debugfs_create_file("keepalive", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
1845 &fops_keepalive);
1846
1847 debugfs_create_file("disconnect_timeout", S_IRUSR | S_IWUSR,
1848 ar->debugfs_phy, ar, &fops_disconnect_timeout);
1849
1850 debugfs_create_file("create_qos", S_IWUSR, ar->debugfs_phy, ar,
1851 &fops_create_qos);
1852
1853 debugfs_create_file("delete_qos", S_IWUSR, ar->debugfs_phy, ar,
1854 &fops_delete_qos);
1855
1856 debugfs_create_file("bgscan_interval", S_IWUSR,
1857 ar->debugfs_phy, ar, &fops_bgscan_int);
1858
1859 debugfs_create_file("listen_interval", S_IRUSR | S_IWUSR,
1860 ar->debugfs_phy, ar, &fops_listen_int);
1861
1862 debugfs_create_file("power_params", S_IWUSR, ar->debugfs_phy, ar,
1863 &fops_power_params);
1864
1865 return 0;
1866 }
1867
1868 void ath6kl_debug_cleanup(struct ath6kl *ar)
1869 {
1870 skb_queue_purge(&ar->debug.fwlog_queue);
1871 complete(&ar->debug.fwlog_completion);
1872 kfree(ar->debug.roam_tbl);
1873 }
1874
1875 #endif
Linux kernel - Deliverables
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