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ath6kl: Maintain the listen interval per VIF specific
[deliverable/linux.git] / drivers / net / wireless / ath / ath6kl / debug.c
CommitLineData
bdcd8170
KV		 1/*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
1b2df407 3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
bdcd8170
KV		 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"
bdf5396b 19
9b9a4f2a 20#include <linux/skbuff.h>
939f1cce 21#include <linux/fs.h>
62c83ac4 22#include <linux/vmalloc.h>
ee40fa06 23#include <linux/export.h>
bdf5396b 24
bdcd8170 25#include "debug.h"
bdf5396b
KV		 26#include "target.h"
27
28struct ath6kl_fwlog_slot {
29 __le32 timestamp;
30 __le32 length;
31
32 /* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
33 u8 payload[0];
34};
35
9b9a4f2a
KV		 36#define ATH6KL_FWLOG_MAX_ENTRIES 20
37
939f1cce 38#define ATH6KL_FWLOG_VALID_MASK 0x1ffff
bdcd8170
KV		 39
40int 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}
d6a434d6 57EXPORT_SYMBOL(ath6kl_printk);
bdcd8170
KV		 58
59#ifdef CONFIG_ATH6KL_DEBUG
91d57de5 60
3b1b7d09
KV		 61void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)
62{
63 struct va_format vaf;
64 va_list args;
65
66 if (!(debug_mask & mask))
67 return;
68
69 va_start(args, fmt);
70
71 vaf.fmt = fmt;
72 vaf.va = &args;
73
74 ath6kl_printk(KERN_DEBUG, "%pV", &vaf);
75
76 va_end(args);
77}
d6a434d6 78EXPORT_SYMBOL(ath6kl_dbg);
3b1b7d09
KV		 79
80void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,
81 const char *msg, const char *prefix,
82 const void *buf, size_t len)
83{
84 if (debug_mask & mask) {
85 if (msg)
86 ath6kl_dbg(mask, "%s\n", msg);
87
88 print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
89 }
90}
d6a434d6 91EXPORT_SYMBOL(ath6kl_dbg_dump);
3b1b7d09 92
91d57de5
VT		 93#define REG_OUTPUT_LEN_PER_LINE 25
94#define REGTYPE_STR_LEN 100
95
96struct ath6kl_diag_reg_info {
97 u32 reg_start;
98 u32 reg_end;
99 const char *reg_info;
100};
101
102static const struct ath6kl_diag_reg_info diag_reg[] = {
103 { 0x20000, 0x200fc, "General DMA and Rx registers" },
104 { 0x28000, 0x28900, "MAC PCU register & keycache" },
105 { 0x20800, 0x20a40, "QCU" },
106 { 0x21000, 0x212f0, "DCU" },
107 { 0x4000, 0x42e4, "RTC" },
108 { 0x540000, 0x540000 + (256 * 1024), "RAM" },
109 { 0x29800, 0x2B210, "Base Band" },
110 { 0x1C000, 0x1C748, "Analog" },
111};
112
bdcd8170
KV		 113void ath6kl_dump_registers(struct ath6kl_device *dev,
114 struct ath6kl_irq_proc_registers *irq_proc_reg,
115 struct ath6kl_irq_enable_reg *irq_enable_reg)
116{
117
5afa5aa7 118 ath6kl_dbg(ATH6KL_DBG_IRQ, ("<------- Register Table -------->\n"));
bdcd8170
KV		 119
120 if (irq_proc_reg != NULL) {
5afa5aa7 121 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 122 "Host Int status: 0x%x\n",
123 irq_proc_reg->host_int_status);
5afa5aa7 124 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 125 "CPU Int status: 0x%x\n",
126 irq_proc_reg->cpu_int_status);
5afa5aa7 127 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 128 "Error Int status: 0x%x\n",
129 irq_proc_reg->error_int_status);
5afa5aa7 130 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 131 "Counter Int status: 0x%x\n",
132 irq_proc_reg->counter_int_status);
5afa5aa7 133 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 134 "Mbox Frame: 0x%x\n",
135 irq_proc_reg->mbox_frame);
5afa5aa7 136 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 137 "Rx Lookahead Valid: 0x%x\n",
138 irq_proc_reg->rx_lkahd_valid);
5afa5aa7 139 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 140 "Rx Lookahead 0: 0x%x\n",
141 irq_proc_reg->rx_lkahd[0]);
5afa5aa7 142 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 143 "Rx Lookahead 1: 0x%x\n",
144 irq_proc_reg->rx_lkahd[1]);
145
146 if (dev->ar->mbox_info.gmbox_addr != 0) {
147 /*
148 * If the target supports GMBOX hardware, dump some
149 * additional state.
150 */
5afa5aa7 151 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 152 "GMBOX Host Int status 2: 0x%x\n",
153 irq_proc_reg->host_int_status2);
5afa5aa7 154 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 155 "GMBOX RX Avail: 0x%x\n",
156 irq_proc_reg->gmbox_rx_avail);
5afa5aa7 157 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 158 "GMBOX lookahead alias 0: 0x%x\n",
159 irq_proc_reg->rx_gmbox_lkahd_alias[0]);
5afa5aa7 160 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 161 "GMBOX lookahead alias 1: 0x%x\n",
162 irq_proc_reg->rx_gmbox_lkahd_alias[1]);
163 }
164
165 }
166
167 if (irq_enable_reg != NULL) {
5afa5aa7 168 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170
KV		 169 "Int status Enable: 0x%x\n",
170 irq_enable_reg->int_status_en);
5afa5aa7 171 ath6kl_dbg(ATH6KL_DBG_IRQ, "Counter Int status Enable: 0x%x\n",
bdcd8170
KV		 172 irq_enable_reg->cntr_int_status_en);
173 }
5afa5aa7 174 ath6kl_dbg(ATH6KL_DBG_IRQ, "<------------------------------->\n");
bdcd8170
KV		 175}
176
177static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)
178{
02f0d6fc 179 ath6kl_dbg(ATH6KL_DBG_CREDIT,
bdcd8170
KV		 180 "--- endpoint: %d svc_id: 0x%X ---\n",
181 ep_dist->endpoint, ep_dist->svc_id);
02f0d6fc 182 ath6kl_dbg(ATH6KL_DBG_CREDIT, " dist_flags : 0x%X\n",
bdcd8170 183 ep_dist->dist_flags);
02f0d6fc 184 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_norm : %d\n",
bdcd8170 185 ep_dist->cred_norm);
02f0d6fc 186 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_min : %d\n",
bdcd8170 187 ep_dist->cred_min);
02f0d6fc 188 ath6kl_dbg(ATH6KL_DBG_CREDIT, " credits : %d\n",
bdcd8170 189 ep_dist->credits);
02f0d6fc 190 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_assngd : %d\n",
bdcd8170 191 ep_dist->cred_assngd);
02f0d6fc 192 ath6kl_dbg(ATH6KL_DBG_CREDIT, " seek_cred : %d\n",
bdcd8170 193 ep_dist->seek_cred);
02f0d6fc 194 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_sz : %d\n",
bdcd8170 195 ep_dist->cred_sz);
02f0d6fc 196 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_per_msg : %d\n",
bdcd8170 197 ep_dist->cred_per_msg);
02f0d6fc 198 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_to_dist : %d\n",
bdcd8170 199 ep_dist->cred_to_dist);
02f0d6fc 200 ath6kl_dbg(ATH6KL_DBG_CREDIT, " txq_depth : %d\n",
e8c39790 201 get_queue_depth(&ep_dist->htc_ep->txq));
02f0d6fc 202 ath6kl_dbg(ATH6KL_DBG_CREDIT,
bdcd8170
KV		 203 "----------------------------------\n");
204}
205
02f0d6fc 206/* FIXME: move to htc.c */
bdcd8170
KV		 207void dump_cred_dist_stats(struct htc_target *target)
208{
209 struct htc_endpoint_credit_dist *ep_list;
210
bdcd8170
KV		 211 list_for_each_entry(ep_list, &target->cred_dist_list, list)
212 dump_cred_dist(ep_list);
213
02f0d6fc
KV		 214 ath6kl_dbg(ATH6KL_DBG_CREDIT,
215 "credit distribution total %d free %d\n",
3c370398
KV		 216 target->credit_info->total_avail_credits,
217 target->credit_info->cur_free_credits);
bdcd8170
KV		 218}
219
03f68a95
VT		 220static int ath6kl_debugfs_open(struct inode *inode, struct file *file)
221{
222 file->private_data = inode->i_private;
223 return 0;
224}
225
9a730834
KV		 226void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war)
227{
228 switch (war) {
229 case ATH6KL_WAR_INVALID_RATE:
230 ar->debug.war_stats.invalid_rate++;
231 break;
232 }
233}
234
235static ssize_t read_file_war_stats(struct file *file, char __user *user_buf,
236 size_t count, loff_t *ppos)
237{
238 struct ath6kl *ar = file->private_data;
239 char *buf;
240 unsigned int len = 0, buf_len = 1500;
241 ssize_t ret_cnt;
242
243 buf = kzalloc(buf_len, GFP_KERNEL);
244 if (!buf)
245 return -ENOMEM;
246
247 len += scnprintf(buf + len, buf_len - len, "\n");
248 len += scnprintf(buf + len, buf_len - len, "%25s\n",
249 "Workaround stats");
250 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
251 "=================");
252 len += scnprintf(buf + len, buf_len - len, "%20s %10u\n",
253 "Invalid rates", ar->debug.war_stats.invalid_rate);
254
255 if (WARN_ON(len > buf_len))
256 len = buf_len;
257
258 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
259
260 kfree(buf);
261 return ret_cnt;
262}
263
264static const struct file_operations fops_war_stats = {
265 .read = read_file_war_stats,
266 .open = ath6kl_debugfs_open,
267 .owner = THIS_MODULE,
268 .llseek = default_llseek,
269};
270
bdf5396b
KV		 271void ath6kl_debug_fwlog_event(struct ath6kl *ar, const void *buf, size_t len)
272{
9b9a4f2a
KV		 273 struct ath6kl_fwlog_slot *slot;
274 struct sk_buff *skb;
bdf5396b
KV		 275 size_t slot_len;
276
277 if (WARN_ON(len > ATH6KL_FWLOG_PAYLOAD_SIZE))
278 return;
279
7504a3e1 280 slot_len = sizeof(*slot) + ATH6KL_FWLOG_PAYLOAD_SIZE;
bdf5396b 281
9b9a4f2a
KV		 282 skb = alloc_skb(slot_len, GFP_KERNEL);
283 if (!skb)
284 return;
285
286 slot = (struct ath6kl_fwlog_slot *) skb_put(skb, slot_len);
bdf5396b
KV		 287 slot->timestamp = cpu_to_le32(jiffies);
288 slot->length = cpu_to_le32(len);
289 memcpy(slot->payload, buf, len);
290
7504a3e1
EL		 291 /* Need to pad each record to fixed length ATH6KL_FWLOG_PAYLOAD_SIZE */
292 memset(slot->payload + len, 0, ATH6KL_FWLOG_PAYLOAD_SIZE - len);
293
9b9a4f2a 294 spin_lock(&ar->debug.fwlog_queue.lock);
bdf5396b 295
9b9a4f2a 296 __skb_queue_tail(&ar->debug.fwlog_queue, skb);
c807b30d 297 complete(&ar->debug.fwlog_completion);
bdf5396b 298
9b9a4f2a
KV		 299 /* drop oldest entries */
300 while (skb_queue_len(&ar->debug.fwlog_queue) >
301 ATH6KL_FWLOG_MAX_ENTRIES) {
302 skb = __skb_dequeue(&ar->debug.fwlog_queue);
303 kfree_skb(skb);
304 }
bdf5396b 305
9b9a4f2a 306 spin_unlock(&ar->debug.fwlog_queue.lock);
bdf5396b 307
9b9a4f2a 308 return;
bdf5396b
KV		 309}
310
c807b30d
KV		 311static int ath6kl_fwlog_open(struct inode *inode, struct file *file)
312{
313 struct ath6kl *ar = inode->i_private;
314
315 if (ar->debug.fwlog_open)
316 return -EBUSY;
317
318 ar->debug.fwlog_open = true;
319
320 file->private_data = inode->i_private;
321 return 0;
322}
323
324static int ath6kl_fwlog_release(struct inode *inode, struct file *file)
325{
326 struct ath6kl *ar = inode->i_private;
327
328 ar->debug.fwlog_open = false;
329
330 return 0;
331}
332
bdf5396b
KV		 333static ssize_t ath6kl_fwlog_read(struct file *file, char __user *user_buf,
334 size_t count, loff_t *ppos)
335{
336 struct ath6kl *ar = file->private_data;
9b9a4f2a 337 struct sk_buff *skb;
bdf5396b 338 ssize_t ret_cnt;
9b9a4f2a 339 size_t len = 0;
bdf5396b 340 char *buf;
bdf5396b 341
9b9a4f2a 342 buf = vmalloc(count);
bdf5396b
KV		 343 if (!buf)
344 return -ENOMEM;
345
bc07ddb2
KV		 346 /* read undelivered logs from firmware */
347 ath6kl_read_fwlogs(ar);
348
9b9a4f2a 349 spin_lock(&ar->debug.fwlog_queue.lock);
bdf5396b 350
9b9a4f2a
KV		 351 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
352 if (skb->len > count - len) {
353 /* not enough space, put skb back and leave */
354 __skb_queue_head(&ar->debug.fwlog_queue, skb);
355 break;
356 }
bdf5396b 357
bdf5396b 358
9b9a4f2a
KV		 359 memcpy(buf + len, skb->data, skb->len);
360 len += skb->len;
bdf5396b 361
9b9a4f2a 362 kfree_skb(skb);
bdf5396b
KV		 363 }
364
9b9a4f2a 365 spin_unlock(&ar->debug.fwlog_queue.lock);
bdf5396b 366
9b9a4f2a 367 /* FIXME: what to do if len == 0? */
bdf5396b
KV		 368
369 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
370
371 vfree(buf);
372
373 return ret_cnt;
374}
375
376static const struct file_operations fops_fwlog = {
c807b30d
KV		 377 .open = ath6kl_fwlog_open,
378 .release = ath6kl_fwlog_release,
bdf5396b
KV		 379 .read = ath6kl_fwlog_read,
380 .owner = THIS_MODULE,
381 .llseek = default_llseek,
382};
383
c807b30d
KV		 384static ssize_t ath6kl_fwlog_block_read(struct file *file,
385 char __user *user_buf,
386 size_t count,
387 loff_t *ppos)
388{
389 struct ath6kl *ar = file->private_data;
390 struct sk_buff *skb;
391 ssize_t ret_cnt;
392 size_t len = 0, not_copied;
393 char *buf;
394 int ret;
395
396 buf = vmalloc(count);
397 if (!buf)
398 return -ENOMEM;
399
400 spin_lock(&ar->debug.fwlog_queue.lock);
401
402 if (skb_queue_len(&ar->debug.fwlog_queue) == 0) {
403 /* we must init under queue lock */
404 init_completion(&ar->debug.fwlog_completion);
405
406 spin_unlock(&ar->debug.fwlog_queue.lock);
407
408 ret = wait_for_completion_interruptible(
409 &ar->debug.fwlog_completion);
410 if (ret == -ERESTARTSYS)
411 return ret;
412
413 spin_lock(&ar->debug.fwlog_queue.lock);
414 }
415
416 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
417 if (skb->len > count - len) {
418 /* not enough space, put skb back and leave */
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 /* FIXME: what to do if len == 0? */
433
434 not_copied = copy_to_user(user_buf, buf, len);
435 if (not_copied != 0) {
436 ret_cnt = -EFAULT;
437 goto out;
438 }
439
440 *ppos = *ppos + len;
441
442 ret_cnt = len;
443
444out:
445 vfree(buf);
446
447 return ret_cnt;
448}
449
450static const struct file_operations fops_fwlog_block = {
451 .open = ath6kl_fwlog_open,
452 .release = ath6kl_fwlog_release,
453 .read = ath6kl_fwlog_block_read,
454 .owner = THIS_MODULE,
455 .llseek = default_llseek,
456};
457
939f1cce
KV		 458static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,
459 size_t count, loff_t *ppos)
460{
461 struct ath6kl *ar = file->private_data;
462 char buf[16];
463 int len;
464
465 len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);
466
467 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
468}
469
470static ssize_t ath6kl_fwlog_mask_write(struct file *file,
471 const char __user *user_buf,
472 size_t count, loff_t *ppos)
473{
474 struct ath6kl *ar = file->private_data;
475 int ret;
476
477 ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);
478 if (ret)
479 return ret;
480
481 ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,
482 ATH6KL_FWLOG_VALID_MASK,
483 ar->debug.fwlog_mask);
484 if (ret)
485 return ret;
486
487 return count;
488}
489
490static const struct file_operations fops_fwlog_mask = {
491 .open = ath6kl_debugfs_open,
492 .read = ath6kl_fwlog_mask_read,
493 .write = ath6kl_fwlog_mask_write,
494 .owner = THIS_MODULE,
495 .llseek = default_llseek,
496};
497
03f68a95
VT		 498static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
499 size_t count, loff_t *ppos)
500{
501 struct ath6kl *ar = file->private_data;
990bd915
VT		 502 struct ath6kl_vif *vif;
503 struct target_stats *tgt_stats;
03f68a95
VT		 504 char *buf;
505 unsigned int len = 0, buf_len = 1500;
506 int i;
507 long left;
508 ssize_t ret_cnt;
509
990bd915
VT		 510 vif = ath6kl_vif_first(ar);
511 if (!vif)
512 return -EIO;
513
514 tgt_stats = &vif->target_stats;
515
03f68a95
VT		 516 buf = kzalloc(buf_len, GFP_KERNEL);
517 if (!buf)
518 return -ENOMEM;
519
520 if (down_interruptible(&ar->sem)) {
521 kfree(buf);
522 return -EBUSY;
523 }
524
b95907a7 525 set_bit(STATS_UPDATE_PEND, &vif->flags);
03f68a95 526
334234b5 527 if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) {
03f68a95
VT		 528 up(&ar->sem);
529 kfree(buf);
530 return -EIO;
531 }
532
533 left = wait_event_interruptible_timeout(ar->event_wq,
534 !test_bit(STATS_UPDATE_PEND,
b95907a7 535 &vif->flags), WMI_TIMEOUT);
03f68a95
VT		 536
537 up(&ar->sem);
538
539 if (left <= 0) {
540 kfree(buf);
541 return -ETIMEDOUT;
542 }
543
544 len += scnprintf(buf + len, buf_len - len, "\n");
545 len += scnprintf(buf + len, buf_len - len, "%25s\n",
546 "Target Tx stats");
547 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
548 "=================");
549 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
550 "Ucast packets", tgt_stats->tx_ucast_pkt);
551 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
552 "Bcast packets", tgt_stats->tx_bcast_pkt);
553 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
554 "Ucast byte", tgt_stats->tx_ucast_byte);
555 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
556 "Bcast byte", tgt_stats->tx_bcast_byte);
557 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
558 "Rts success cnt", tgt_stats->tx_rts_success_cnt);
559 for (i = 0; i < 4; i++)
560 len += scnprintf(buf + len, buf_len - len,
561 "%18s %d %10llu\n", "PER on ac",
562 i, tgt_stats->tx_pkt_per_ac[i]);
563 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
564 "Error", tgt_stats->tx_err);
565 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
566 "Fail count", tgt_stats->tx_fail_cnt);
567 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
568 "Retry count", tgt_stats->tx_retry_cnt);
569 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
570 "Multi retry cnt", tgt_stats->tx_mult_retry_cnt);
571 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
572 "Rts fail cnt", tgt_stats->tx_rts_fail_cnt);
573 len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",
574 "TKIP counter measure used",
575 tgt_stats->tkip_cnter_measures_invoked);
576
577 len += scnprintf(buf + len, buf_len - len, "%25s\n",
578 "Target Rx stats");
579 len += scnprintf(buf + len, buf_len - len, "%25s\n",
580 "=================");
581
582 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
583 "Ucast packets", tgt_stats->rx_ucast_pkt);
584 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
585 "Ucast Rate", tgt_stats->rx_ucast_rate);
586 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
587 "Bcast packets", tgt_stats->rx_bcast_pkt);
588 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
589 "Ucast byte", tgt_stats->rx_ucast_byte);
590 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
591 "Bcast byte", tgt_stats->rx_bcast_byte);
592 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
593 "Fragmented pkt", tgt_stats->rx_frgment_pkt);
594 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
595 "Error", tgt_stats->rx_err);
596 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
597 "CRC Err", tgt_stats->rx_crc_err);
598 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
599 "Key chache miss", tgt_stats->rx_key_cache_miss);
600 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
601 "Decrypt Err", tgt_stats->rx_decrypt_err);
602 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
603 "Duplicate frame", tgt_stats->rx_dupl_frame);
604 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
605 "Tkip Mic failure", tgt_stats->tkip_local_mic_fail);
606 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
607 "TKIP format err", tgt_stats->tkip_fmt_err);
608 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
609 "CCMP format Err", tgt_stats->ccmp_fmt_err);
610 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",
611 "CCMP Replay Err", tgt_stats->ccmp_replays);
612
613 len += scnprintf(buf + len, buf_len - len, "%25s\n",
614 "Misc Target stats");
615 len += scnprintf(buf + len, buf_len - len, "%25s\n",
616 "=================");
617 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
618 "Beacon Miss count", tgt_stats->cs_bmiss_cnt);
619 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
620 "Num Connects", tgt_stats->cs_connect_cnt);
621 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
622 "Num disconnects", tgt_stats->cs_discon_cnt);
623 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
624 "Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);
625
626 if (len > buf_len)
627 len = buf_len;
628
629 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
630
631 kfree(buf);
632 return ret_cnt;
633}
634
635static const struct file_operations fops_tgt_stats = {
636 .read = read_file_tgt_stats,
637 .open = ath6kl_debugfs_open,
638 .owner = THIS_MODULE,
639 .llseek = default_llseek,
640};
641
78fc4856
VT		 642#define print_credit_info(fmt_str, ep_list_field) \
643 (len += scnprintf(buf + len, buf_len - len, fmt_str, \
644 ep_list->ep_list_field))
645#define CREDIT_INFO_DISPLAY_STRING_LEN 200
646#define CREDIT_INFO_LEN 128
647
648static ssize_t read_file_credit_dist_stats(struct file *file,
649 char __user *user_buf,
650 size_t count, loff_t *ppos)
651{
652 struct ath6kl *ar = file->private_data;
653 struct htc_target *target = ar->htc_target;
654 struct htc_endpoint_credit_dist *ep_list;
655 char *buf;
656 unsigned int buf_len, len = 0;
657 ssize_t ret_cnt;
658
659 buf_len = CREDIT_INFO_DISPLAY_STRING_LEN +
660 get_queue_depth(&target->cred_dist_list) * CREDIT_INFO_LEN;
661 buf = kzalloc(buf_len, GFP_KERNEL);
662 if (!buf)
663 return -ENOMEM;
664
665 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
666 "Total Avail Credits: ",
3c370398 667 target->credit_info->total_avail_credits);
78fc4856
VT		 668 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
669 "Free credits :",
3c370398 670 target->credit_info->cur_free_credits);
78fc4856
VT		 671
672 len += scnprintf(buf + len, buf_len - len,
673 " Epid Flags Cred_norm Cred_min Credits Cred_assngd"
674 " Seek_cred Cred_sz Cred_per_msg Cred_to_dist"
675 " qdepth\n");
676
677 list_for_each_entry(ep_list, &target->cred_dist_list, list) {
678 print_credit_info(" %2d", endpoint);
679 print_credit_info("%10x", dist_flags);
680 print_credit_info("%8d", cred_norm);
681 print_credit_info("%9d", cred_min);
682 print_credit_info("%9d", credits);
683 print_credit_info("%10d", cred_assngd);
684 print_credit_info("%13d", seek_cred);
685 print_credit_info("%12d", cred_sz);
686 print_credit_info("%9d", cred_per_msg);
687 print_credit_info("%14d", cred_to_dist);
688 len += scnprintf(buf + len, buf_len - len, "%12d\n",
e8c39790 689 get_queue_depth(&ep_list->htc_ep->txq));
78fc4856
VT		 690 }
691
692 if (len > buf_len)
693 len = buf_len;
694
695 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
696 kfree(buf);
697 return ret_cnt;
698}
699
700static const struct file_operations fops_credit_dist_stats = {
701 .read = read_file_credit_dist_stats,
702 .open = ath6kl_debugfs_open,
703 .owner = THIS_MODULE,
704 .llseek = default_llseek,
705};
706
e8091281
JM		 707static unsigned int print_endpoint_stat(struct htc_target *target, char *buf,
708 unsigned int buf_len, unsigned int len,
709 int offset, const char *name)
710{
711 int i;
712 struct htc_endpoint_stats *ep_st;
713 u32 *counter;
714
715 len += scnprintf(buf + len, buf_len - len, "%s:", name);
716 for (i = 0; i < ENDPOINT_MAX; i++) {
717 ep_st = &target->endpoint[i].ep_st;
718 counter = ((u32 *) ep_st) + (offset / 4);
719 len += scnprintf(buf + len, buf_len - len, " %u", *counter);
720 }
721 len += scnprintf(buf + len, buf_len - len, "\n");
722
723 return len;
724}
725
726static ssize_t ath6kl_endpoint_stats_read(struct file *file,
727 char __user *user_buf,
728 size_t count, loff_t *ppos)
729{
730 struct ath6kl *ar = file->private_data;
731 struct htc_target *target = ar->htc_target;
732 char *buf;
733 unsigned int buf_len, len = 0;
734 ssize_t ret_cnt;
735
17169329
JM		 736 buf_len = sizeof(struct htc_endpoint_stats) / sizeof(u32) *
737 (25 + ENDPOINT_MAX * 11);
738 buf = kmalloc(buf_len, GFP_KERNEL);
e8091281
JM		 739 if (!buf)
740 return -ENOMEM;
741
742#define EPSTAT(name) \
743 len = print_endpoint_stat(target, buf, buf_len, len, \
744 offsetof(struct htc_endpoint_stats, name), \
745 #name)
746 EPSTAT(cred_low_indicate);
747 EPSTAT(tx_issued);
748 EPSTAT(tx_pkt_bundled);
749 EPSTAT(tx_bundles);
750 EPSTAT(tx_dropped);
751 EPSTAT(tx_cred_rpt);
752 EPSTAT(cred_rpt_from_rx);
17169329 753 EPSTAT(cred_rpt_from_other);
e8091281
JM		 754 EPSTAT(cred_rpt_ep0);
755 EPSTAT(cred_from_rx);
756 EPSTAT(cred_from_other);
757 EPSTAT(cred_from_ep0);
758 EPSTAT(cred_cosumd);
759 EPSTAT(cred_retnd);
760 EPSTAT(rx_pkts);
761 EPSTAT(rx_lkahds);
762 EPSTAT(rx_bundl);
763 EPSTAT(rx_bundle_lkahd);
764 EPSTAT(rx_bundle_from_hdr);
765 EPSTAT(rx_alloc_thresh_hit);
766 EPSTAT(rxalloc_thresh_byte);
767#undef EPSTAT
768
769 if (len > buf_len)
770 len = buf_len;
771
772 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
773 kfree(buf);
774 return ret_cnt;
775}
776
777static ssize_t ath6kl_endpoint_stats_write(struct file *file,
778 const char __user *user_buf,
779 size_t count, loff_t *ppos)
780{
781 struct ath6kl *ar = file->private_data;
782 struct htc_target *target = ar->htc_target;
783 int ret, i;
784 u32 val;
785 struct htc_endpoint_stats *ep_st;
786
787 ret = kstrtou32_from_user(user_buf, count, 0, &val);
788 if (ret)
789 return ret;
790 if (val == 0) {
791 for (i = 0; i < ENDPOINT_MAX; i++) {
792 ep_st = &target->endpoint[i].ep_st;
793 memset(ep_st, 0, sizeof(*ep_st));
794 }
795 }
796
797 return count;
798}
799
800static const struct file_operations fops_endpoint_stats = {
801 .open = ath6kl_debugfs_open,
802 .read = ath6kl_endpoint_stats_read,
803 .write = ath6kl_endpoint_stats_write,
804 .owner = THIS_MODULE,
805 .llseek = default_llseek,
806};
807
91d57de5
VT		 808static unsigned long ath6kl_get_num_reg(void)
809{
810 int i;
811 unsigned long n_reg = 0;
812
813 for (i = 0; i < ARRAY_SIZE(diag_reg); i++)
814 n_reg = n_reg +
815 (diag_reg[i].reg_end - diag_reg[i].reg_start) / 4 + 1;
816
817 return n_reg;
818}
819
820static bool ath6kl_dbg_is_diag_reg_valid(u32 reg_addr)
821{
822 int i;
823
824 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
825 if (reg_addr >= diag_reg[i].reg_start &&
826 reg_addr <= diag_reg[i].reg_end)
827 return true;
828 }
829
830 return false;
831}
832
833static ssize_t ath6kl_regread_read(struct file *file, char __user *user_buf,
834 size_t count, loff_t *ppos)
835{
836 struct ath6kl *ar = file->private_data;
837 u8 buf[50];
838 unsigned int len = 0;
839
840 if (ar->debug.dbgfs_diag_reg)
841 len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n",
842 ar->debug.dbgfs_diag_reg);
843 else
844 len += scnprintf(buf + len, sizeof(buf) - len,
845 "All diag registers\n");
846
847 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
848}
849
850static ssize_t ath6kl_regread_write(struct file *file,
851 const char __user *user_buf,
852 size_t count, loff_t *ppos)
853{
854 struct ath6kl *ar = file->private_data;
855 u8 buf[50];
856 unsigned int len;
857 unsigned long reg_addr;
858
859 len = min(count, sizeof(buf) - 1);
860 if (copy_from_user(buf, user_buf, len))
861 return -EFAULT;
862
863 buf[len] = '\0';
864
865 if (strict_strtoul(buf, 0, &reg_addr))
866 return -EINVAL;
867
868 if ((reg_addr % 4) != 0)
869 return -EINVAL;
870
871 if (reg_addr && !ath6kl_dbg_is_diag_reg_valid(reg_addr))
872 return -EINVAL;
873
874 ar->debug.dbgfs_diag_reg = reg_addr;
875
876 return count;
877}
878
879static const struct file_operations fops_diag_reg_read = {
880 .read = ath6kl_regread_read,
881 .write = ath6kl_regread_write,
882 .open = ath6kl_debugfs_open,
883 .owner = THIS_MODULE,
884 .llseek = default_llseek,
885};
886
887static int ath6kl_regdump_open(struct inode *inode, struct file *file)
888{
889 struct ath6kl *ar = inode->i_private;
890 u8 *buf;
891 unsigned long int reg_len;
892 unsigned int len = 0, n_reg;
893 u32 addr;
894 __le32 reg_val;
895 int i, status;
896
897 /* Dump all the registers if no register is specified */
898 if (!ar->debug.dbgfs_diag_reg)
899 n_reg = ath6kl_get_num_reg();
900 else
901 n_reg = 1;
902
903 reg_len = n_reg * REG_OUTPUT_LEN_PER_LINE;
904 if (n_reg > 1)
905 reg_len += REGTYPE_STR_LEN;
906
907 buf = vmalloc(reg_len);
908 if (!buf)
909 return -ENOMEM;
910
911 if (n_reg == 1) {
912 addr = ar->debug.dbgfs_diag_reg;
913
914 status = ath6kl_diag_read32(ar,
915 TARG_VTOP(ar->target_type, addr),
916 (u32 *)&reg_val);
917 if (status)
918 goto fail_reg_read;
919
920 len += scnprintf(buf + len, reg_len - len,
921 "0x%06x 0x%08x\n", addr, le32_to_cpu(reg_val));
922 goto done;
923 }
924
925 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
926 len += scnprintf(buf + len, reg_len - len,
927 "%s\n", diag_reg[i].reg_info);
928 for (addr = diag_reg[i].reg_start;
929 addr <= diag_reg[i].reg_end; addr += 4) {
930 status = ath6kl_diag_read32(ar,
931 TARG_VTOP(ar->target_type, addr),
932 (u32 *)&reg_val);
933 if (status)
934 goto fail_reg_read;
935
936 len += scnprintf(buf + len, reg_len - len,
937 "0x%06x 0x%08x\n",
938 addr, le32_to_cpu(reg_val));
939 }
940 }
941
942done:
943 file->private_data = buf;
944 return 0;
945
946fail_reg_read:
947 ath6kl_warn("Unable to read memory:%u\n", addr);
948 vfree(buf);
949 return -EIO;
950}
951
952static ssize_t ath6kl_regdump_read(struct file *file, char __user *user_buf,
953 size_t count, loff_t *ppos)
954{
955 u8 *buf = file->private_data;
956 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
957}
958
959static int ath6kl_regdump_release(struct inode *inode, struct file *file)
960{
961 vfree(file->private_data);
962 return 0;
963}
964
965static const struct file_operations fops_reg_dump = {
966 .open = ath6kl_regdump_open,
967 .read = ath6kl_regdump_read,
968 .release = ath6kl_regdump_release,
969 .owner = THIS_MODULE,
970 .llseek = default_llseek,
971};
972
e5090444
VN		 973static ssize_t ath6kl_lrssi_roam_write(struct file *file,
974 const char __user *user_buf,
975 size_t count, loff_t *ppos)
976{
977 struct ath6kl *ar = file->private_data;
978 unsigned long lrssi_roam_threshold;
979 char buf[32];
980 ssize_t len;
981
982 len = min(count, sizeof(buf) - 1);
983 if (copy_from_user(buf, user_buf, len))
984 return -EFAULT;
985
986 buf[len] = '\0';
987 if (strict_strtoul(buf, 0, &lrssi_roam_threshold))
988 return -EINVAL;
989
990 ar->lrssi_roam_threshold = lrssi_roam_threshold;
991
992 ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);
993
994 return count;
995}
996
997static ssize_t ath6kl_lrssi_roam_read(struct file *file,
998 char __user *user_buf,
999 size_t count, loff_t *ppos)
1000{
1001 struct ath6kl *ar = file->private_data;
1002 char buf[32];
1003 unsigned int len;
1004
1005 len = snprintf(buf, sizeof(buf), "%u\n", ar->lrssi_roam_threshold);
1006
1007 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1008}
1009
1010static const struct file_operations fops_lrssi_roam_threshold = {
1011 .read = ath6kl_lrssi_roam_read,
1012 .write = ath6kl_lrssi_roam_write,
1013 .open = ath6kl_debugfs_open,
1014 .owner = THIS_MODULE,
1015 .llseek = default_llseek,
1016};
1017
252c068b
VT		 1018static ssize_t ath6kl_regwrite_read(struct file *file,
1019 char __user *user_buf,
1020 size_t count, loff_t *ppos)
1021{
1022 struct ath6kl *ar = file->private_data;
1023 u8 buf[32];
1024 unsigned int len = 0;
1025
1026 len = scnprintf(buf, sizeof(buf), "Addr: 0x%x Val: 0x%x\n",
1027 ar->debug.diag_reg_addr_wr, ar->debug.diag_reg_val_wr);
1028
1029 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1030}
1031
1032static ssize_t ath6kl_regwrite_write(struct file *file,
1033 const char __user *user_buf,
1034 size_t count, loff_t *ppos)
1035{
1036 struct ath6kl *ar = file->private_data;
1037 char buf[32];
1038 char *sptr, *token;
1039 unsigned int len = 0;
1040 u32 reg_addr, reg_val;
1041
1042 len = min(count, sizeof(buf) - 1);
1043 if (copy_from_user(buf, user_buf, len))
1044 return -EFAULT;
1045
1046 buf[len] = '\0';
1047 sptr = buf;
1048
1049 token = strsep(&sptr, "=");
1050 if (!token)
1051 return -EINVAL;
1052
1053 if (kstrtou32(token, 0, &reg_addr))
1054 return -EINVAL;
1055
1056 if (!ath6kl_dbg_is_diag_reg_valid(reg_addr))
1057 return -EINVAL;
1058
1059 if (kstrtou32(sptr, 0, &reg_val))
1060 return -EINVAL;
1061
1062 ar->debug.diag_reg_addr_wr = reg_addr;
1063 ar->debug.diag_reg_val_wr = reg_val;
1064
1065 if (ath6kl_diag_write32(ar, ar->debug.diag_reg_addr_wr,
1066 cpu_to_le32(ar->debug.diag_reg_val_wr)))
1067 return -EIO;
1068
1069 return count;
1070}
1071
1072static const struct file_operations fops_diag_reg_write = {
1073 .read = ath6kl_regwrite_read,
1074 .write = ath6kl_regwrite_write,
1075 .open = ath6kl_debugfs_open,
1076 .owner = THIS_MODULE,
1077 .llseek = default_llseek,
1078};
1079
4b28a80d
JM		 1080int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,
1081 size_t len)
1082{
1083 const struct wmi_target_roam_tbl *tbl;
1084 u16 num_entries;
1085
1086 if (len < sizeof(*tbl))
1087 return -EINVAL;
1088
1089 tbl = (const struct wmi_target_roam_tbl *) buf;
1090 num_entries = le16_to_cpu(tbl->num_entries);
1091 if (sizeof(*tbl) + num_entries * sizeof(struct wmi_bss_roam_info) >
1092 len)
1093 return -EINVAL;
1094
1095 if (ar->debug.roam_tbl == NULL ||
1096 ar->debug.roam_tbl_len < (unsigned int) len) {
1097 kfree(ar->debug.roam_tbl);
1098 ar->debug.roam_tbl = kmalloc(len, GFP_ATOMIC);
1099 if (ar->debug.roam_tbl == NULL)
1100 return -ENOMEM;
1101 }
1102
1103 memcpy(ar->debug.roam_tbl, buf, len);
1104 ar->debug.roam_tbl_len = len;
1105
1106 if (test_bit(ROAM_TBL_PEND, &ar->flag)) {
1107 clear_bit(ROAM_TBL_PEND, &ar->flag);
1108 wake_up(&ar->event_wq);
1109 }
1110
1111 return 0;
1112}
1113
1114static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,
1115 size_t count, loff_t *ppos)
1116{
1117 struct ath6kl *ar = file->private_data;
1118 int ret;
1119 long left;
1120 struct wmi_target_roam_tbl *tbl;
1121 u16 num_entries, i;
1122 char *buf;
1123 unsigned int len, buf_len;
1124 ssize_t ret_cnt;
1125
1126 if (down_interruptible(&ar->sem))
1127 return -EBUSY;
1128
1129 set_bit(ROAM_TBL_PEND, &ar->flag);
1130
1131 ret = ath6kl_wmi_get_roam_tbl_cmd(ar->wmi);
1132 if (ret) {
1133 up(&ar->sem);
1134 return ret;
1135 }
1136
1137 left = wait_event_interruptible_timeout(
1138 ar->event_wq, !test_bit(ROAM_TBL_PEND, &ar->flag), WMI_TIMEOUT);
1139 up(&ar->sem);
1140
1141 if (left <= 0)
1142 return -ETIMEDOUT;
1143
1144 if (ar->debug.roam_tbl == NULL)
1145 return -ENOMEM;
1146
1147 tbl = (struct wmi_target_roam_tbl *) ar->debug.roam_tbl;
1148 num_entries = le16_to_cpu(tbl->num_entries);
1149
1150 buf_len = 100 + num_entries * 100;
1151 buf = kzalloc(buf_len, GFP_KERNEL);
1152 if (buf == NULL)
1153 return -ENOMEM;
1154 len = 0;
1155 len += scnprintf(buf + len, buf_len - len,
1156 "roam_mode=%u\n\n"
1157 "# roam_util bssid rssi rssidt last_rssi util bias\n",
1158 le16_to_cpu(tbl->roam_mode));
1159
1160 for (i = 0; i < num_entries; i++) {
1161 struct wmi_bss_roam_info *info = &tbl->info[i];
1162 len += scnprintf(buf + len, buf_len - len,
1163 "%d %pM %d %d %d %d %d\n",
1164 a_sle32_to_cpu(info->roam_util), info->bssid,
1165 info->rssi, info->rssidt, info->last_rssi,
1166 info->util, info->bias);
1167 }
1168
1169 if (len > buf_len)
1170 len = buf_len;
1171
1172 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1173
1174 kfree(buf);
1175 return ret_cnt;
1176}
1177
1178static const struct file_operations fops_roam_table = {
1179 .read = ath6kl_roam_table_read,
1180 .open = ath6kl_debugfs_open,
1181 .owner = THIS_MODULE,
1182 .llseek = default_llseek,
1183};
1184
1261875f
JM		 1185static ssize_t ath6kl_force_roam_write(struct file *file,
1186 const char __user *user_buf,
1187 size_t count, loff_t *ppos)
1188{
1189 struct ath6kl *ar = file->private_data;
1190 int ret;
1191 char buf[20];
1192 size_t len;
1193 u8 bssid[ETH_ALEN];
1194 int i;
1195 int addr[ETH_ALEN];
1196
1197 len = min(count, sizeof(buf) - 1);
1198 if (copy_from_user(buf, user_buf, len))
1199 return -EFAULT;
1200 buf[len] = '\0';
1201
1202 if (sscanf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
1203 &addr[0], &addr[1], &addr[2], &addr[3], &addr[4], &addr[5])
1204 != ETH_ALEN)
1205 return -EINVAL;
1206 for (i = 0; i < ETH_ALEN; i++)
1207 bssid[i] = addr[i];
1208
1209 ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);
1210 if (ret)
1211 return ret;
1212
1213 return count;
1214}
1215
1216static const struct file_operations fops_force_roam = {
1217 .write = ath6kl_force_roam_write,
1218 .open = ath6kl_debugfs_open,
1219 .owner = THIS_MODULE,
1220 .llseek = default_llseek,
1221};
1222
1223static ssize_t ath6kl_roam_mode_write(struct file *file,
1224 const char __user *user_buf,
1225 size_t count, loff_t *ppos)
1226{
1227 struct ath6kl *ar = file->private_data;
1228 int ret;
1229 char buf[20];
1230 size_t len;
1231 enum wmi_roam_mode mode;
1232
1233 len = min(count, sizeof(buf) - 1);
1234 if (copy_from_user(buf, user_buf, len))
1235 return -EFAULT;
1236 buf[len] = '\0';
1237 if (len > 0 && buf[len - 1] == '\n')
1238 buf[len - 1] = '\0';
1239
1240 if (strcasecmp(buf, "default") == 0)
1241 mode = WMI_DEFAULT_ROAM_MODE;
1242 else if (strcasecmp(buf, "bssbias") == 0)
1243 mode = WMI_HOST_BIAS_ROAM_MODE;
1244 else if (strcasecmp(buf, "lock") == 0)
1245 mode = WMI_LOCK_BSS_MODE;
1246 else
1247 return -EINVAL;
1248
1249 ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);
1250 if (ret)
1251 return ret;
1252
1253 return count;
1254}
1255
1256static const struct file_operations fops_roam_mode = {
1257 .write = ath6kl_roam_mode_write,
1258 .open = ath6kl_debugfs_open,
1259 .owner = THIS_MODULE,
1260 .llseek = default_llseek,
1261};
1262
ff0b0075
JM		 1263void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)
1264{
1265 ar->debug.keepalive = keepalive;
1266}
1267
1268static ssize_t ath6kl_keepalive_read(struct file *file, char __user *user_buf,
1269 size_t count, loff_t *ppos)
1270{
1271 struct ath6kl *ar = file->private_data;
1272 char buf[16];
1273 int len;
1274
1275 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.keepalive);
1276
1277 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1278}
1279
1280static ssize_t ath6kl_keepalive_write(struct file *file,
1281 const char __user *user_buf,
1282 size_t count, loff_t *ppos)
1283{
1284 struct ath6kl *ar = file->private_data;
1285 int ret;
1286 u8 val;
1287
1288 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1289 if (ret)
1290 return ret;
1291
0ce59445 1292 ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, 0, val);
ff0b0075
JM		 1293 if (ret)
1294 return ret;
1295
1296 return count;
1297}
1298
1299static const struct file_operations fops_keepalive = {
1300 .open = ath6kl_debugfs_open,
1301 .read = ath6kl_keepalive_read,
1302 .write = ath6kl_keepalive_write,
1303 .owner = THIS_MODULE,
1304 .llseek = default_llseek,
1305};
1306
1307void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)
1308{
1309 ar->debug.disc_timeout = timeout;
1310}
1311
1312static ssize_t ath6kl_disconnect_timeout_read(struct file *file,
1313 char __user *user_buf,
1314 size_t count, loff_t *ppos)
1315{
1316 struct ath6kl *ar = file->private_data;
1317 char buf[16];
1318 int len;
1319
1320 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.disc_timeout);
1321
1322 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1323}
1324
1325static ssize_t ath6kl_disconnect_timeout_write(struct file *file,
1326 const char __user *user_buf,
1327 size_t count, loff_t *ppos)
1328{
1329 struct ath6kl *ar = file->private_data;
1330 int ret;
1331 u8 val;
1332
1333 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1334 if (ret)
1335 return ret;
1336
0ce59445 1337 ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, 0, val);
ff0b0075
JM		 1338 if (ret)
1339 return ret;
1340
1341 return count;
1342}
1343
1344static const struct file_operations fops_disconnect_timeout = {
1345 .open = ath6kl_debugfs_open,
1346 .read = ath6kl_disconnect_timeout_read,
1347 .write = ath6kl_disconnect_timeout_write,
1348 .owner = THIS_MODULE,
1349 .llseek = default_llseek,
1350};
1351
8fffd9e5
RP		 1352static ssize_t ath6kl_create_qos_write(struct file *file,
1353 const char __user *user_buf,
1354 size_t count, loff_t *ppos)
1355{
1356
1357 struct ath6kl *ar = file->private_data;
990bd915 1358 struct ath6kl_vif *vif;
8cb6d991 1359 char buf[200];
8fffd9e5
RP		 1360 ssize_t len;
1361 char *sptr, *token;
1362 struct wmi_create_pstream_cmd pstream;
1363 u32 val32;
1364 u16 val16;
1365
990bd915
VT		 1366 vif = ath6kl_vif_first(ar);
1367 if (!vif)
1368 return -EIO;
1369
8fffd9e5
RP		 1370 len = min(count, sizeof(buf) - 1);
1371 if (copy_from_user(buf, user_buf, len))
1372 return -EFAULT;
1373 buf[len] = '\0';
1374 sptr = buf;
1375
1376 token = strsep(&sptr, " ");
1377 if (!token)
1378 return -EINVAL;
1379 if (kstrtou8(token, 0, &pstream.user_pri))
1380 return -EINVAL;
1381
1382 token = strsep(&sptr, " ");
1383 if (!token)
1384 return -EINVAL;
1385 if (kstrtou8(token, 0, &pstream.traffic_direc))
1386 return -EINVAL;
1387
1388 token = strsep(&sptr, " ");
1389 if (!token)
1390 return -EINVAL;
1391 if (kstrtou8(token, 0, &pstream.traffic_class))
1392 return -EINVAL;
1393
1394 token = strsep(&sptr, " ");
1395 if (!token)
1396 return -EINVAL;
1397 if (kstrtou8(token, 0, &pstream.traffic_type))
1398 return -EINVAL;
1399
1400 token = strsep(&sptr, " ");
1401 if (!token)
1402 return -EINVAL;
1403 if (kstrtou8(token, 0, &pstream.voice_psc_cap))
1404 return -EINVAL;
1405
1406 token = strsep(&sptr, " ");
1407 if (!token)
1408 return -EINVAL;
1409 if (kstrtou32(token, 0, &val32))
1410 return -EINVAL;
1411 pstream.min_service_int = cpu_to_le32(val32);
1412
1413 token = strsep(&sptr, " ");
1414 if (!token)
1415 return -EINVAL;
1416 if (kstrtou32(token, 0, &val32))
1417 return -EINVAL;
1418 pstream.max_service_int = cpu_to_le32(val32);
1419
1420 token = strsep(&sptr, " ");
1421 if (!token)
1422 return -EINVAL;
1423 if (kstrtou32(token, 0, &val32))
1424 return -EINVAL;
1425 pstream.inactivity_int = cpu_to_le32(val32);
1426
1427 token = strsep(&sptr, " ");
1428 if (!token)
1429 return -EINVAL;
1430 if (kstrtou32(token, 0, &val32))
1431 return -EINVAL;
1432 pstream.suspension_int = cpu_to_le32(val32);
1433
1434 token = strsep(&sptr, " ");
1435 if (!token)
1436 return -EINVAL;
1437 if (kstrtou32(token, 0, &val32))
1438 return -EINVAL;
1439 pstream.service_start_time = cpu_to_le32(val32);
1440
1441 token = strsep(&sptr, " ");
1442 if (!token)
1443 return -EINVAL;
1444 if (kstrtou8(token, 0, &pstream.tsid))
1445 return -EINVAL;
1446
1447 token = strsep(&sptr, " ");
1448 if (!token)
1449 return -EINVAL;
1450 if (kstrtou16(token, 0, &val16))
1451 return -EINVAL;
1452 pstream.nominal_msdu = cpu_to_le16(val16);
1453
1454 token = strsep(&sptr, " ");
1455 if (!token)
1456 return -EINVAL;
1457 if (kstrtou16(token, 0, &val16))
1458 return -EINVAL;
1459 pstream.max_msdu = cpu_to_le16(val16);
1460
1461 token = strsep(&sptr, " ");
1462 if (!token)
1463 return -EINVAL;
1464 if (kstrtou32(token, 0, &val32))
1465 return -EINVAL;
1466 pstream.min_data_rate = cpu_to_le32(val32);
1467
1468 token = strsep(&sptr, " ");
1469 if (!token)
1470 return -EINVAL;
1471 if (kstrtou32(token, 0, &val32))
1472 return -EINVAL;
1473 pstream.mean_data_rate = cpu_to_le32(val32);
1474
1475 token = strsep(&sptr, " ");
1476 if (!token)
1477 return -EINVAL;
1478 if (kstrtou32(token, 0, &val32))
1479 return -EINVAL;
1480 pstream.peak_data_rate = cpu_to_le32(val32);
1481
1482 token = strsep(&sptr, " ");
1483 if (!token)
1484 return -EINVAL;
1485 if (kstrtou32(token, 0, &val32))
1486 return -EINVAL;
1487 pstream.max_burst_size = cpu_to_le32(val32);
1488
1489 token = strsep(&sptr, " ");
1490 if (!token)
1491 return -EINVAL;
1492 if (kstrtou32(token, 0, &val32))
1493 return -EINVAL;
1494 pstream.delay_bound = cpu_to_le32(val32);
1495
1496 token = strsep(&sptr, " ");
1497 if (!token)
1498 return -EINVAL;
1499 if (kstrtou32(token, 0, &val32))
1500 return -EINVAL;
1501 pstream.min_phy_rate = cpu_to_le32(val32);
1502
1503 token = strsep(&sptr, " ");
1504 if (!token)
1505 return -EINVAL;
1506 if (kstrtou32(token, 0, &val32))
1507 return -EINVAL;
1508 pstream.sba = cpu_to_le32(val32);
1509
1510 token = strsep(&sptr, " ");
1511 if (!token)
1512 return -EINVAL;
1513 if (kstrtou32(token, 0, &val32))
1514 return -EINVAL;
1515 pstream.medium_time = cpu_to_le32(val32);
1516
5fbea5dc
CN		 1517 pstream.nominal_phy = le32_to_cpu(pstream.min_phy_rate) / 1000000;
1518
240d2799 1519 ath6kl_wmi_create_pstream_cmd(ar->wmi, vif->fw_vif_idx, &pstream);
8fffd9e5
RP		 1520
1521 return count;
1522}
1523
1524static const struct file_operations fops_create_qos = {
1525 .write = ath6kl_create_qos_write,
1526 .open = ath6kl_debugfs_open,
1527 .owner = THIS_MODULE,
1528 .llseek = default_llseek,
1529};
1530
1531static ssize_t ath6kl_delete_qos_write(struct file *file,
1532 const char __user *user_buf,
1533 size_t count, loff_t *ppos)
1534{
1535
1536 struct ath6kl *ar = file->private_data;
990bd915 1537 struct ath6kl_vif *vif;
8fffd9e5
RP		 1538 char buf[100];
1539 ssize_t len;
1540 char *sptr, *token;
1541 u8 traffic_class;
1542 u8 tsid;
1543
990bd915
VT		 1544 vif = ath6kl_vif_first(ar);
1545 if (!vif)
1546 return -EIO;
1547
8fffd9e5
RP		 1548 len = min(count, sizeof(buf) - 1);
1549 if (copy_from_user(buf, user_buf, len))
1550 return -EFAULT;
1551 buf[len] = '\0';
1552 sptr = buf;
1553
1554 token = strsep(&sptr, " ");
1555 if (!token)
1556 return -EINVAL;
1557 if (kstrtou8(token, 0, &traffic_class))
1558 return -EINVAL;
1559
1560 token = strsep(&sptr, " ");
1561 if (!token)
1562 return -EINVAL;
1563 if (kstrtou8(token, 0, &tsid))
1564 return -EINVAL;
1565
240d2799
VT		 1566 ath6kl_wmi_delete_pstream_cmd(ar->wmi, vif->fw_vif_idx,
1567 traffic_class, tsid);
8fffd9e5
RP		 1568
1569 return count;
1570}
1571
1572static const struct file_operations fops_delete_qos = {
1573 .write = ath6kl_delete_qos_write,
1574 .open = ath6kl_debugfs_open,
1575 .owner = THIS_MODULE,
1576 .llseek = default_llseek,
1577};
1578
116b3a2e
RP		 1579static ssize_t ath6kl_bgscan_int_write(struct file *file,
1580 const char __user *user_buf,
1581 size_t count, loff_t *ppos)
1582{
1583 struct ath6kl *ar = file->private_data;
1584 u16 bgscan_int;
1585 char buf[32];
1586 ssize_t len;
1587
1588 len = min(count, sizeof(buf) - 1);
1589 if (copy_from_user(buf, user_buf, len))
1590 return -EFAULT;
1591
1592 buf[len] = '\0';
1593 if (kstrtou16(buf, 0, &bgscan_int))
1594 return -EINVAL;
1595
1596 if (bgscan_int == 0)
1597 bgscan_int = 0xffff;
1598
334234b5 1599 ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,
116b3a2e
RP		 1600 0, 0, 0);
1601
1602 return count;
1603}
1604
1605static const struct file_operations fops_bgscan_int = {
1606 .write = ath6kl_bgscan_int_write,
1607 .open = ath6kl_debugfs_open,
1608 .owner = THIS_MODULE,
1609 .llseek = default_llseek,
1610};
1611
ef8f0eba 1612static ssize_t ath6kl_listen_int_write(struct file *file,
8232736d
SM		 1613 const char __user *user_buf,
1614 size_t count, loff_t *ppos)
ef8f0eba
RP		 1615{
1616 struct ath6kl *ar = file->private_data;
8232736d
SM		 1617 struct ath6kl_vif *vif;
1618 u16 listen_interval;
ef8f0eba 1619 char buf[32];
ef8f0eba
RP		 1620 ssize_t len;
1621
8232736d
SM		 1622 vif = ath6kl_vif_first(ar);
1623 if (!vif)
1624 return -EIO;
1625
ef8f0eba
RP		 1626 len = min(count, sizeof(buf) - 1);
1627 if (copy_from_user(buf, user_buf, len))
1628 return -EFAULT;
1629
1630 buf[len] = '\0';
8232736d 1631 if (kstrtou16(buf, 0, &listen_interval))
ef8f0eba
RP		 1632 return -EINVAL;
1633
8f46fccd 1634 if ((listen_interval < 15) || (listen_interval > 3000))
ef8f0eba
RP		 1635 return -EINVAL;
1636
8f46fccd
RM		 1637 vif->listen_intvl_t = listen_interval;
1638 ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
1639 vif->listen_intvl_t, 0);
ef8f0eba
RP		 1640
1641 return count;
1642}
1643
1644static ssize_t ath6kl_listen_int_read(struct file *file,
8232736d
SM		 1645 char __user *user_buf,
1646 size_t count, loff_t *ppos)
ef8f0eba
RP		 1647{
1648 struct ath6kl *ar = file->private_data;
8f46fccd 1649 struct ath6kl_vif *vif;
50553c2c 1650 char buf[32];
ef8f0eba
RP		 1651 int len;
1652
8f46fccd
RM		 1653 vif = ath6kl_vif_first(ar);
1654 if (!vif)
1655 return -EIO;
1656
1657 len = scnprintf(buf, sizeof(buf), "%u\n", vif->listen_intvl_t);
ef8f0eba
RP		 1658
1659 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1660}
1661
1662static const struct file_operations fops_listen_int = {
1663 .read = ath6kl_listen_int_read,
1664 .write = ath6kl_listen_int_write,
1665 .open = ath6kl_debugfs_open,
1666 .owner = THIS_MODULE,
1667 .llseek = default_llseek,
1668};
1669
a24fc7c3
RP		 1670static ssize_t ath6kl_power_params_write(struct file *file,
1671 const char __user *user_buf,
1672 size_t count, loff_t *ppos)
1673{
1674 struct ath6kl *ar = file->private_data;
1675 u8 buf[100];
1676 unsigned int len = 0;
1677 char *sptr, *token;
1678 u16 idle_period, ps_poll_num, dtim,
1679 tx_wakeup, num_tx;
1680
1681 len = min(count, sizeof(buf) - 1);
1682 if (copy_from_user(buf, user_buf, len))
1683 return -EFAULT;
1684 buf[len] = '\0';
1685 sptr = buf;
1686
1687 token = strsep(&sptr, " ");
1688 if (!token)
1689 return -EINVAL;
1690 if (kstrtou16(token, 0, &idle_period))
1691 return -EINVAL;
1692
1693 token = strsep(&sptr, " ");
1694 if (!token)
1695 return -EINVAL;
1696 if (kstrtou16(token, 0, &ps_poll_num))
1697 return -EINVAL;
1698
1699 token = strsep(&sptr, " ");
1700 if (!token)
1701 return -EINVAL;
1702 if (kstrtou16(token, 0, &dtim))
1703 return -EINVAL;
1704
1705 token = strsep(&sptr, " ");
1706 if (!token)
1707 return -EINVAL;
1708 if (kstrtou16(token, 0, &tx_wakeup))
1709 return -EINVAL;
1710
1711 token = strsep(&sptr, " ");
1712 if (!token)
1713 return -EINVAL;
1714 if (kstrtou16(token, 0, &num_tx))
1715 return -EINVAL;
1716
1717 ath6kl_wmi_pmparams_cmd(ar->wmi, 0, idle_period, ps_poll_num,
1718 dtim, tx_wakeup, num_tx, 0);
1719
1720 return count;
1721}
1722
1723static const struct file_operations fops_power_params = {
1724 .write = ath6kl_power_params_write,
1725 .open = ath6kl_debugfs_open,
1726 .owner = THIS_MODULE,
1727 .llseek = default_llseek,
1728};
1729
068a4633 1730void ath6kl_debug_init(struct ath6kl *ar)
d999ba3e 1731{
9b9a4f2a 1732 skb_queue_head_init(&ar->debug.fwlog_queue);
c807b30d 1733 init_completion(&ar->debug.fwlog_completion);
bdf5396b 1734
939f1cce
KV		 1735 /*
1736 * Actually we are lying here but don't know how to read the mask
1737 * value from the firmware.
1738 */
1739 ar->debug.fwlog_mask = 0;
068a4633 1740}
939f1cce 1741
068a4633
VT		 1742/*
1743 * Initialisation needs to happen in two stages as fwlog events can come
1744 * before cfg80211 is initialised, and debugfs depends on cfg80211
1745 * initialisation.
1746 */
1747int ath6kl_debug_init_fs(struct ath6kl *ar)
1748{
d999ba3e 1749 ar->debugfs_phy = debugfs_create_dir("ath6kl",
be98e3a4 1750 ar->wiphy->debugfsdir);
9b9a4f2a 1751 if (!ar->debugfs_phy)
d999ba3e
VT		 1752 return -ENOMEM;
1753
03f68a95
VT		 1754 debugfs_create_file("tgt_stats", S_IRUSR, ar->debugfs_phy, ar,
1755 &fops_tgt_stats);
1756
78fc4856
VT		 1757 debugfs_create_file("credit_dist_stats", S_IRUSR, ar->debugfs_phy, ar,
1758 &fops_credit_dist_stats);
1759
e8091281
JM		 1760 debugfs_create_file("endpoint_stats", S_IRUSR | S_IWUSR,
1761 ar->debugfs_phy, ar, &fops_endpoint_stats);
1762
bdf5396b
KV		 1763 debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar,
1764 &fops_fwlog);
1765
c807b30d
KV		 1766 debugfs_create_file("fwlog_block", S_IRUSR, ar->debugfs_phy, ar,
1767 &fops_fwlog_block);
1768
939f1cce
KV		 1769 debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy,
1770 ar, &fops_fwlog_mask);
1771
91d57de5
VT		 1772 debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
1773 &fops_diag_reg_read);
1774
1775 debugfs_create_file("reg_dump", S_IRUSR, ar->debugfs_phy, ar,
1776 &fops_reg_dump);
1777
e5090444
VN		 1778 debugfs_create_file("lrssi_roam_threshold", S_IRUSR | S_IWUSR,
1779 ar->debugfs_phy, ar, &fops_lrssi_roam_threshold);
252c068b
VT		 1780
1781 debugfs_create_file("reg_write", S_IRUSR | S_IWUSR,
1782 ar->debugfs_phy, ar, &fops_diag_reg_write);
1783
9a730834
KV		 1784 debugfs_create_file("war_stats", S_IRUSR, ar->debugfs_phy, ar,
1785 &fops_war_stats);
1786
4b28a80d
JM		 1787 debugfs_create_file("roam_table", S_IRUSR, ar->debugfs_phy, ar,
1788 &fops_roam_table);
1789
1261875f
JM		 1790 debugfs_create_file("force_roam", S_IWUSR, ar->debugfs_phy, ar,
1791 &fops_force_roam);
1792
1793 debugfs_create_file("roam_mode", S_IWUSR, ar->debugfs_phy, ar,
1794 &fops_roam_mode);
1795
ff0b0075
JM		 1796 debugfs_create_file("keepalive", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
1797 &fops_keepalive);
1798
1799 debugfs_create_file("disconnect_timeout", S_IRUSR | S_IWUSR,
1800 ar->debugfs_phy, ar, &fops_disconnect_timeout);
1801
8fffd9e5
RP		 1802 debugfs_create_file("create_qos", S_IWUSR, ar->debugfs_phy, ar,
1803 &fops_create_qos);
1804
1805 debugfs_create_file("delete_qos", S_IWUSR, ar->debugfs_phy, ar,
1806 &fops_delete_qos);
1807
116b3a2e
RP		 1808 debugfs_create_file("bgscan_interval", S_IWUSR,
1809 ar->debugfs_phy, ar, &fops_bgscan_int);
1810
8232736d
SM		 1811 debugfs_create_file("listen_interval", S_IRUSR | S_IWUSR,
1812 ar->debugfs_phy, ar, &fops_listen_int);
1813
a24fc7c3
RP		 1814 debugfs_create_file("power_params", S_IWUSR, ar->debugfs_phy, ar,
1815 &fops_power_params);
1816
d999ba3e
VT		 1817 return 0;
1818}
bdf5396b
KV		 1819
1820void ath6kl_debug_cleanup(struct ath6kl *ar)
1821{
9b9a4f2a 1822 skb_queue_purge(&ar->debug.fwlog_queue);
4b28a80d 1823 kfree(ar->debug.roam_tbl);
bdf5396b
KV		 1824}
1825
bdcd8170 1826#endif
Linux kernel - Deliverables
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