projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ath6kl: unblock fwlog_block_read() on exit
[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,
96f1fadc
KV		 122 "Host Int status: 0x%x\n",
123 irq_proc_reg->host_int_status);
5afa5aa7 124 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170 125 "CPU Int status: 0x%x\n",
96f1fadc 126 irq_proc_reg->cpu_int_status);
5afa5aa7 127 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170 128 "Error Int status: 0x%x\n",
96f1fadc 129 irq_proc_reg->error_int_status);
5afa5aa7 130 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170 131 "Counter Int status: 0x%x\n",
96f1fadc 132 irq_proc_reg->counter_int_status);
5afa5aa7 133 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170 134 "Mbox Frame: 0x%x\n",
96f1fadc 135 irq_proc_reg->mbox_frame);
5afa5aa7 136 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170 137 "Rx Lookahead Valid: 0x%x\n",
96f1fadc 138 irq_proc_reg->rx_lkahd_valid);
5afa5aa7 139 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170 140 "Rx Lookahead 0: 0x%x\n",
96f1fadc 141 irq_proc_reg->rx_lkahd[0]);
5afa5aa7 142 ath6kl_dbg(ATH6KL_DBG_IRQ,
bdcd8170 143 "Rx Lookahead 1: 0x%x\n",
96f1fadc 144 irq_proc_reg->rx_lkahd[1]);
bdcd8170
KV		 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,
96f1fadc
KV		 152 "GMBOX Host Int status 2: 0x%x\n",
153 irq_proc_reg->host_int_status2);
5afa5aa7 154 ath6kl_dbg(ATH6KL_DBG_IRQ,
96f1fadc
KV		 155 "GMBOX RX Avail: 0x%x\n",
156 irq_proc_reg->gmbox_rx_avail);
5afa5aa7 157 ath6kl_dbg(ATH6KL_DBG_IRQ,
96f1fadc
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,
96f1fadc
KV		 161 "GMBOX lookahead alias 1: 0x%x\n",
162 irq_proc_reg->rx_gmbox_lkahd_alias[1]);
bdcd8170
KV		 163 }
164
165 }
166
167 if (irq_enable_reg != NULL) {
5afa5aa7 168 ath6kl_dbg(ATH6KL_DBG_IRQ,
96f1fadc
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",
96f1fadc 172 irq_enable_reg->cntr_int_status_en);
bdcd8170 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);
ae9a3405
JJ		 410 if (ret == -ERESTARTSYS) {
411 vfree(buf);
c807b30d 412 return ret;
ae9a3405 413 }
c807b30d
KV		 414
415 spin_lock(&ar->debug.fwlog_queue.lock);
416 }
417
418 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
419 if (skb->len > count - len) {
420 /* not enough space, put skb back and leave */
421 __skb_queue_head(&ar->debug.fwlog_queue, skb);
422 break;
423 }
424
425
426 memcpy(buf + len, skb->data, skb->len);
427 len += skb->len;
428
429 kfree_skb(skb);
430 }
431
432 spin_unlock(&ar->debug.fwlog_queue.lock);
433
434 /* FIXME: what to do if len == 0? */
435
436 not_copied = copy_to_user(user_buf, buf, len);
437 if (not_copied != 0) {
438 ret_cnt = -EFAULT;
439 goto out;
440 }
441
442 *ppos = *ppos + len;
443
444 ret_cnt = len;
445
446out:
447 vfree(buf);
448
449 return ret_cnt;
450}
451
452static const struct file_operations fops_fwlog_block = {
453 .open = ath6kl_fwlog_open,
454 .release = ath6kl_fwlog_release,
455 .read = ath6kl_fwlog_block_read,
456 .owner = THIS_MODULE,
457 .llseek = default_llseek,
458};
459
939f1cce
KV		 460static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,
461 size_t count, loff_t *ppos)
462{
463 struct ath6kl *ar = file->private_data;
464 char buf[16];
465 int len;
466
467 len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);
468
469 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
470}
471
472static ssize_t ath6kl_fwlog_mask_write(struct file *file,
473 const char __user *user_buf,
474 size_t count, loff_t *ppos)
475{
476 struct ath6kl *ar = file->private_data;
477 int ret;
478
479 ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);
480 if (ret)
481 return ret;
482
483 ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,
484 ATH6KL_FWLOG_VALID_MASK,
485 ar->debug.fwlog_mask);
486 if (ret)
487 return ret;
488
489 return count;
490}
491
492static const struct file_operations fops_fwlog_mask = {
493 .open = ath6kl_debugfs_open,
494 .read = ath6kl_fwlog_mask_read,
495 .write = ath6kl_fwlog_mask_write,
496 .owner = THIS_MODULE,
497 .llseek = default_llseek,
498};
499
03f68a95
VT		 500static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
501 size_t count, loff_t *ppos)
502{
503 struct ath6kl *ar = file->private_data;
990bd915
VT		 504 struct ath6kl_vif *vif;
505 struct target_stats *tgt_stats;
03f68a95
VT		 506 char *buf;
507 unsigned int len = 0, buf_len = 1500;
508 int i;
509 long left;
510 ssize_t ret_cnt;
511
990bd915
VT		 512 vif = ath6kl_vif_first(ar);
513 if (!vif)
514 return -EIO;
515
516 tgt_stats = &vif->target_stats;
517
03f68a95
VT		 518 buf = kzalloc(buf_len, GFP_KERNEL);
519 if (!buf)
520 return -ENOMEM;
521
522 if (down_interruptible(&ar->sem)) {
523 kfree(buf);
524 return -EBUSY;
525 }
526
b95907a7 527 set_bit(STATS_UPDATE_PEND, &vif->flags);
03f68a95 528
334234b5 529 if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) {
03f68a95
VT		 530 up(&ar->sem);
531 kfree(buf);
532 return -EIO;
533 }
534
535 left = wait_event_interruptible_timeout(ar->event_wq,
536 !test_bit(STATS_UPDATE_PEND,
b95907a7 537 &vif->flags), WMI_TIMEOUT);
03f68a95
VT		 538
539 up(&ar->sem);
540
541 if (left <= 0) {
542 kfree(buf);
543 return -ETIMEDOUT;
544 }
545
546 len += scnprintf(buf + len, buf_len - len, "\n");
547 len += scnprintf(buf + len, buf_len - len, "%25s\n",
548 "Target Tx stats");
549 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
550 "=================");
551 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
552 "Ucast packets", tgt_stats->tx_ucast_pkt);
553 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
554 "Bcast packets", tgt_stats->tx_bcast_pkt);
555 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
556 "Ucast byte", tgt_stats->tx_ucast_byte);
557 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
558 "Bcast byte", tgt_stats->tx_bcast_byte);
559 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
560 "Rts success cnt", tgt_stats->tx_rts_success_cnt);
561 for (i = 0; i < 4; i++)
562 len += scnprintf(buf + len, buf_len - len,
563 "%18s %d %10llu\n", "PER on ac",
564 i, tgt_stats->tx_pkt_per_ac[i]);
565 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
566 "Error", tgt_stats->tx_err);
567 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
568 "Fail count", tgt_stats->tx_fail_cnt);
569 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
570 "Retry count", tgt_stats->tx_retry_cnt);
571 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
572 "Multi retry cnt", tgt_stats->tx_mult_retry_cnt);
573 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
574 "Rts fail cnt", tgt_stats->tx_rts_fail_cnt);
575 len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",
576 "TKIP counter measure used",
577 tgt_stats->tkip_cnter_measures_invoked);
578
579 len += scnprintf(buf + len, buf_len - len, "%25s\n",
580 "Target Rx stats");
581 len += scnprintf(buf + len, buf_len - len, "%25s\n",
582 "=================");
583
584 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
585 "Ucast packets", tgt_stats->rx_ucast_pkt);
586 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
587 "Ucast Rate", tgt_stats->rx_ucast_rate);
588 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
589 "Bcast packets", tgt_stats->rx_bcast_pkt);
590 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
591 "Ucast byte", tgt_stats->rx_ucast_byte);
592 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
593 "Bcast byte", tgt_stats->rx_bcast_byte);
594 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
595 "Fragmented pkt", tgt_stats->rx_frgment_pkt);
596 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
597 "Error", tgt_stats->rx_err);
598 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
599 "CRC Err", tgt_stats->rx_crc_err);
600 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
601 "Key chache miss", tgt_stats->rx_key_cache_miss);
602 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
603 "Decrypt Err", tgt_stats->rx_decrypt_err);
604 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
605 "Duplicate frame", tgt_stats->rx_dupl_frame);
606 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
607 "Tkip Mic failure", tgt_stats->tkip_local_mic_fail);
608 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
609 "TKIP format err", tgt_stats->tkip_fmt_err);
610 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
611 "CCMP format Err", tgt_stats->ccmp_fmt_err);
612 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",
613 "CCMP Replay Err", tgt_stats->ccmp_replays);
614
615 len += scnprintf(buf + len, buf_len - len, "%25s\n",
616 "Misc Target stats");
617 len += scnprintf(buf + len, buf_len - len, "%25s\n",
618 "=================");
619 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
620 "Beacon Miss count", tgt_stats->cs_bmiss_cnt);
621 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
622 "Num Connects", tgt_stats->cs_connect_cnt);
623 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
624 "Num disconnects", tgt_stats->cs_discon_cnt);
625 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
626 "Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);
f0446ea9
RM		 627 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
628 "ARP pkt received", tgt_stats->arp_received);
629 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
630 "ARP pkt matched", tgt_stats->arp_matched);
631 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
632 "ARP pkt replied", tgt_stats->arp_replied);
03f68a95
VT		 633
634 if (len > buf_len)
635 len = buf_len;
636
637 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
638
639 kfree(buf);
640 return ret_cnt;
641}
642
643static const struct file_operations fops_tgt_stats = {
644 .read = read_file_tgt_stats,
645 .open = ath6kl_debugfs_open,
646 .owner = THIS_MODULE,
647 .llseek = default_llseek,
648};
649
78fc4856
VT		 650#define print_credit_info(fmt_str, ep_list_field) \
651 (len += scnprintf(buf + len, buf_len - len, fmt_str, \
652 ep_list->ep_list_field))
653#define CREDIT_INFO_DISPLAY_STRING_LEN 200
654#define CREDIT_INFO_LEN 128
655
656static ssize_t read_file_credit_dist_stats(struct file *file,
657 char __user *user_buf,
658 size_t count, loff_t *ppos)
659{
660 struct ath6kl *ar = file->private_data;
661 struct htc_target *target = ar->htc_target;
662 struct htc_endpoint_credit_dist *ep_list;
663 char *buf;
664 unsigned int buf_len, len = 0;
665 ssize_t ret_cnt;
666
667 buf_len = CREDIT_INFO_DISPLAY_STRING_LEN +
668 get_queue_depth(&target->cred_dist_list) * CREDIT_INFO_LEN;
669 buf = kzalloc(buf_len, GFP_KERNEL);
670 if (!buf)
671 return -ENOMEM;
672
673 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
674 "Total Avail Credits: ",
3c370398 675 target->credit_info->total_avail_credits);
78fc4856
VT		 676 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
677 "Free credits :",
3c370398 678 target->credit_info->cur_free_credits);
78fc4856
VT		 679
680 len += scnprintf(buf + len, buf_len - len,
681 " Epid Flags Cred_norm Cred_min Credits Cred_assngd"
682 " Seek_cred Cred_sz Cred_per_msg Cred_to_dist"
683 " qdepth\n");
684
685 list_for_each_entry(ep_list, &target->cred_dist_list, list) {
686 print_credit_info(" %2d", endpoint);
687 print_credit_info("%10x", dist_flags);
688 print_credit_info("%8d", cred_norm);
689 print_credit_info("%9d", cred_min);
690 print_credit_info("%9d", credits);
691 print_credit_info("%10d", cred_assngd);
692 print_credit_info("%13d", seek_cred);
693 print_credit_info("%12d", cred_sz);
694 print_credit_info("%9d", cred_per_msg);
695 print_credit_info("%14d", cred_to_dist);
696 len += scnprintf(buf + len, buf_len - len, "%12d\n",
e8c39790 697 get_queue_depth(&ep_list->htc_ep->txq));
78fc4856
VT		 698 }
699
700 if (len > buf_len)
701 len = buf_len;
702
703 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
704 kfree(buf);
705 return ret_cnt;
706}
707
708static const struct file_operations fops_credit_dist_stats = {
709 .read = read_file_credit_dist_stats,
710 .open = ath6kl_debugfs_open,
711 .owner = THIS_MODULE,
712 .llseek = default_llseek,
713};
714
e8091281
JM		 715static unsigned int print_endpoint_stat(struct htc_target *target, char *buf,
716 unsigned int buf_len, unsigned int len,
717 int offset, const char *name)
718{
719 int i;
720 struct htc_endpoint_stats *ep_st;
721 u32 *counter;
722
723 len += scnprintf(buf + len, buf_len - len, "%s:", name);
724 for (i = 0; i < ENDPOINT_MAX; i++) {
725 ep_st = &target->endpoint[i].ep_st;
726 counter = ((u32 *) ep_st) + (offset / 4);
727 len += scnprintf(buf + len, buf_len - len, " %u", *counter);
728 }
729 len += scnprintf(buf + len, buf_len - len, "\n");
730
731 return len;
732}
733
734static ssize_t ath6kl_endpoint_stats_read(struct file *file,
735 char __user *user_buf,
736 size_t count, loff_t *ppos)
737{
738 struct ath6kl *ar = file->private_data;
739 struct htc_target *target = ar->htc_target;
740 char *buf;
741 unsigned int buf_len, len = 0;
742 ssize_t ret_cnt;
743
17169329
JM		 744 buf_len = sizeof(struct htc_endpoint_stats) / sizeof(u32) *
745 (25 + ENDPOINT_MAX * 11);
746 buf = kmalloc(buf_len, GFP_KERNEL);
e8091281
JM		 747 if (!buf)
748 return -ENOMEM;
749
750#define EPSTAT(name) \
c650538f
KV		 751 do { \
752 len = print_endpoint_stat(target, buf, buf_len, len, \
753 offsetof(struct htc_endpoint_stats, \
754 name), \
755 #name); \
756 } while (0)
757
e8091281
JM		 758 EPSTAT(cred_low_indicate);
759 EPSTAT(tx_issued);
760 EPSTAT(tx_pkt_bundled);
761 EPSTAT(tx_bundles);
762 EPSTAT(tx_dropped);
763 EPSTAT(tx_cred_rpt);
764 EPSTAT(cred_rpt_from_rx);
17169329 765 EPSTAT(cred_rpt_from_other);
e8091281
JM		 766 EPSTAT(cred_rpt_ep0);
767 EPSTAT(cred_from_rx);
768 EPSTAT(cred_from_other);
769 EPSTAT(cred_from_ep0);
770 EPSTAT(cred_cosumd);
771 EPSTAT(cred_retnd);
772 EPSTAT(rx_pkts);
773 EPSTAT(rx_lkahds);
774 EPSTAT(rx_bundl);
775 EPSTAT(rx_bundle_lkahd);
776 EPSTAT(rx_bundle_from_hdr);
777 EPSTAT(rx_alloc_thresh_hit);
778 EPSTAT(rxalloc_thresh_byte);
779#undef EPSTAT
780
781 if (len > buf_len)
782 len = buf_len;
783
784 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
785 kfree(buf);
786 return ret_cnt;
787}
788
789static ssize_t ath6kl_endpoint_stats_write(struct file *file,
790 const char __user *user_buf,
791 size_t count, loff_t *ppos)
792{
793 struct ath6kl *ar = file->private_data;
794 struct htc_target *target = ar->htc_target;
795 int ret, i;
796 u32 val;
797 struct htc_endpoint_stats *ep_st;
798
799 ret = kstrtou32_from_user(user_buf, count, 0, &val);
800 if (ret)
801 return ret;
802 if (val == 0) {
803 for (i = 0; i < ENDPOINT_MAX; i++) {
804 ep_st = &target->endpoint[i].ep_st;
805 memset(ep_st, 0, sizeof(*ep_st));
806 }
807 }
808
809 return count;
810}
811
812static const struct file_operations fops_endpoint_stats = {
813 .open = ath6kl_debugfs_open,
814 .read = ath6kl_endpoint_stats_read,
815 .write = ath6kl_endpoint_stats_write,
816 .owner = THIS_MODULE,
817 .llseek = default_llseek,
818};
819
91d57de5
VT		 820static unsigned long ath6kl_get_num_reg(void)
821{
822 int i;
823 unsigned long n_reg = 0;
824
825 for (i = 0; i < ARRAY_SIZE(diag_reg); i++)
826 n_reg = n_reg +
827 (diag_reg[i].reg_end - diag_reg[i].reg_start) / 4 + 1;
828
829 return n_reg;
830}
831
832static bool ath6kl_dbg_is_diag_reg_valid(u32 reg_addr)
833{
834 int i;
835
836 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
837 if (reg_addr >= diag_reg[i].reg_start &&
838 reg_addr <= diag_reg[i].reg_end)
839 return true;
840 }
841
842 return false;
843}
844
845static ssize_t ath6kl_regread_read(struct file *file, char __user *user_buf,
846 size_t count, loff_t *ppos)
847{
848 struct ath6kl *ar = file->private_data;
849 u8 buf[50];
850 unsigned int len = 0;
851
852 if (ar->debug.dbgfs_diag_reg)
853 len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n",
854 ar->debug.dbgfs_diag_reg);
855 else
856 len += scnprintf(buf + len, sizeof(buf) - len,
857 "All diag registers\n");
858
859 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
860}
861
862static ssize_t ath6kl_regread_write(struct file *file,
863 const char __user *user_buf,
864 size_t count, loff_t *ppos)
865{
866 struct ath6kl *ar = file->private_data;
91d57de5
VT		 867 unsigned long reg_addr;
868
06f33f13 869 if (kstrtoul_from_user(user_buf, count, 0, &reg_addr))
91d57de5
VT		 870 return -EINVAL;
871
872 if ((reg_addr % 4) != 0)
873 return -EINVAL;
874
875 if (reg_addr && !ath6kl_dbg_is_diag_reg_valid(reg_addr))
876 return -EINVAL;
877
878 ar->debug.dbgfs_diag_reg = reg_addr;
879
880 return count;
881}
882
883static const struct file_operations fops_diag_reg_read = {
884 .read = ath6kl_regread_read,
885 .write = ath6kl_regread_write,
886 .open = ath6kl_debugfs_open,
887 .owner = THIS_MODULE,
888 .llseek = default_llseek,
889};
890
891static int ath6kl_regdump_open(struct inode *inode, struct file *file)
892{
893 struct ath6kl *ar = inode->i_private;
894 u8 *buf;
895 unsigned long int reg_len;
896 unsigned int len = 0, n_reg;
897 u32 addr;
898 __le32 reg_val;
899 int i, status;
900
901 /* Dump all the registers if no register is specified */
902 if (!ar->debug.dbgfs_diag_reg)
903 n_reg = ath6kl_get_num_reg();
904 else
905 n_reg = 1;
906
907 reg_len = n_reg * REG_OUTPUT_LEN_PER_LINE;
908 if (n_reg > 1)
909 reg_len += REGTYPE_STR_LEN;
910
911 buf = vmalloc(reg_len);
912 if (!buf)
913 return -ENOMEM;
914
915 if (n_reg == 1) {
916 addr = ar->debug.dbgfs_diag_reg;
917
918 status = ath6kl_diag_read32(ar,
919 TARG_VTOP(ar->target_type, addr),
920 (u32 *)&reg_val);
921 if (status)
922 goto fail_reg_read;
923
924 len += scnprintf(buf + len, reg_len - len,
925 "0x%06x 0x%08x\n", addr, le32_to_cpu(reg_val));
926 goto done;
927 }
928
929 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
930 len += scnprintf(buf + len, reg_len - len,
931 "%s\n", diag_reg[i].reg_info);
932 for (addr = diag_reg[i].reg_start;
933 addr <= diag_reg[i].reg_end; addr += 4) {
934 status = ath6kl_diag_read32(ar,
935 TARG_VTOP(ar->target_type, addr),
936 (u32 *)&reg_val);
937 if (status)
938 goto fail_reg_read;
939
940 len += scnprintf(buf + len, reg_len - len,
941 "0x%06x 0x%08x\n",
942 addr, le32_to_cpu(reg_val));
943 }
944 }
945
946done:
947 file->private_data = buf;
948 return 0;
949
950fail_reg_read:
951 ath6kl_warn("Unable to read memory:%u\n", addr);
952 vfree(buf);
953 return -EIO;
954}
955
956static ssize_t ath6kl_regdump_read(struct file *file, char __user *user_buf,
957 size_t count, loff_t *ppos)
958{
959 u8 *buf = file->private_data;
960 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
961}
962
963static int ath6kl_regdump_release(struct inode *inode, struct file *file)
964{
965 vfree(file->private_data);
966 return 0;
967}
968
969static const struct file_operations fops_reg_dump = {
970 .open = ath6kl_regdump_open,
971 .read = ath6kl_regdump_read,
972 .release = ath6kl_regdump_release,
973 .owner = THIS_MODULE,
974 .llseek = default_llseek,
975};
976
e5090444
VN		 977static ssize_t ath6kl_lrssi_roam_write(struct file *file,
978 const char __user *user_buf,
979 size_t count, loff_t *ppos)
980{
981 struct ath6kl *ar = file->private_data;
982 unsigned long lrssi_roam_threshold;
e5090444 983
06f33f13 984 if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold))
e5090444
VN		 985 return -EINVAL;
986
987 ar->lrssi_roam_threshold = lrssi_roam_threshold;
988
989 ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);
990
991 return count;
992}
993
994static ssize_t ath6kl_lrssi_roam_read(struct file *file,
995 char __user *user_buf,
996 size_t count, loff_t *ppos)
997{
998 struct ath6kl *ar = file->private_data;
999 char buf[32];
1000 unsigned int len;
1001
1002 len = snprintf(buf, sizeof(buf), "%u\n", ar->lrssi_roam_threshold);
1003
1004 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1005}
1006
1007static const struct file_operations fops_lrssi_roam_threshold = {
1008 .read = ath6kl_lrssi_roam_read,
1009 .write = ath6kl_lrssi_roam_write,
1010 .open = ath6kl_debugfs_open,
1011 .owner = THIS_MODULE,
1012 .llseek = default_llseek,
1013};
1014
252c068b
VT		 1015static ssize_t ath6kl_regwrite_read(struct file *file,
1016 char __user *user_buf,
1017 size_t count, loff_t *ppos)
1018{
1019 struct ath6kl *ar = file->private_data;
1020 u8 buf[32];
1021 unsigned int len = 0;
1022
1023 len = scnprintf(buf, sizeof(buf), "Addr: 0x%x Val: 0x%x\n",
1024 ar->debug.diag_reg_addr_wr, ar->debug.diag_reg_val_wr);
1025
1026 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1027}
1028
1029static ssize_t ath6kl_regwrite_write(struct file *file,
1030 const char __user *user_buf,
1031 size_t count, loff_t *ppos)
1032{
1033 struct ath6kl *ar = file->private_data;
1034 char buf[32];
1035 char *sptr, *token;
1036 unsigned int len = 0;
1037 u32 reg_addr, reg_val;
1038
1039 len = min(count, sizeof(buf) - 1);
1040 if (copy_from_user(buf, user_buf, len))
1041 return -EFAULT;
1042
1043 buf[len] = '\0';
1044 sptr = buf;
1045
1046 token = strsep(&sptr, "=");
1047 if (!token)
1048 return -EINVAL;
1049
1050 if (kstrtou32(token, 0, &reg_addr))
1051 return -EINVAL;
1052
1053 if (!ath6kl_dbg_is_diag_reg_valid(reg_addr))
1054 return -EINVAL;
1055
1056 if (kstrtou32(sptr, 0, &reg_val))
1057 return -EINVAL;
1058
1059 ar->debug.diag_reg_addr_wr = reg_addr;
1060 ar->debug.diag_reg_val_wr = reg_val;
1061
1062 if (ath6kl_diag_write32(ar, ar->debug.diag_reg_addr_wr,
1063 cpu_to_le32(ar->debug.diag_reg_val_wr)))
1064 return -EIO;
1065
1066 return count;
1067}
1068
1069static const struct file_operations fops_diag_reg_write = {
1070 .read = ath6kl_regwrite_read,
1071 .write = ath6kl_regwrite_write,
1072 .open = ath6kl_debugfs_open,
1073 .owner = THIS_MODULE,
1074 .llseek = default_llseek,
1075};
1076
4b28a80d
JM		 1077int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,
1078 size_t len)
1079{
1080 const struct wmi_target_roam_tbl *tbl;
1081 u16 num_entries;
1082
1083 if (len < sizeof(*tbl))
1084 return -EINVAL;
1085
1086 tbl = (const struct wmi_target_roam_tbl *) buf;
1087 num_entries = le16_to_cpu(tbl->num_entries);
1088 if (sizeof(*tbl) + num_entries * sizeof(struct wmi_bss_roam_info) >
1089 len)
1090 return -EINVAL;
1091
1092 if (ar->debug.roam_tbl == NULL ||
1093 ar->debug.roam_tbl_len < (unsigned int) len) {
1094 kfree(ar->debug.roam_tbl);
1095 ar->debug.roam_tbl = kmalloc(len, GFP_ATOMIC);
1096 if (ar->debug.roam_tbl == NULL)
1097 return -ENOMEM;
1098 }
1099
1100 memcpy(ar->debug.roam_tbl, buf, len);
1101 ar->debug.roam_tbl_len = len;
1102
1103 if (test_bit(ROAM_TBL_PEND, &ar->flag)) {
1104 clear_bit(ROAM_TBL_PEND, &ar->flag);
1105 wake_up(&ar->event_wq);
1106 }
1107
1108 return 0;
1109}
1110
1111static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,
1112 size_t count, loff_t *ppos)
1113{
1114 struct ath6kl *ar = file->private_data;
1115 int ret;
1116 long left;
1117 struct wmi_target_roam_tbl *tbl;
1118 u16 num_entries, i;
1119 char *buf;
1120 unsigned int len, buf_len;
1121 ssize_t ret_cnt;
1122
1123 if (down_interruptible(&ar->sem))
1124 return -EBUSY;
1125
1126 set_bit(ROAM_TBL_PEND, &ar->flag);
1127
1128 ret = ath6kl_wmi_get_roam_tbl_cmd(ar->wmi);
1129 if (ret) {
1130 up(&ar->sem);
1131 return ret;
1132 }
1133
1134 left = wait_event_interruptible_timeout(
1135 ar->event_wq, !test_bit(ROAM_TBL_PEND, &ar->flag), WMI_TIMEOUT);
1136 up(&ar->sem);
1137
1138 if (left <= 0)
1139 return -ETIMEDOUT;
1140
1141 if (ar->debug.roam_tbl == NULL)
1142 return -ENOMEM;
1143
1144 tbl = (struct wmi_target_roam_tbl *) ar->debug.roam_tbl;
1145 num_entries = le16_to_cpu(tbl->num_entries);
1146
1147 buf_len = 100 + num_entries * 100;
1148 buf = kzalloc(buf_len, GFP_KERNEL);
1149 if (buf == NULL)
1150 return -ENOMEM;
1151 len = 0;
1152 len += scnprintf(buf + len, buf_len - len,
1153 "roam_mode=%u\n\n"
1154 "# roam_util bssid rssi rssidt last_rssi util bias\n",
1155 le16_to_cpu(tbl->roam_mode));
1156
1157 for (i = 0; i < num_entries; i++) {
1158 struct wmi_bss_roam_info *info = &tbl->info[i];
1159 len += scnprintf(buf + len, buf_len - len,
1160 "%d %pM %d %d %d %d %d\n",
1161 a_sle32_to_cpu(info->roam_util), info->bssid,
1162 info->rssi, info->rssidt, info->last_rssi,
1163 info->util, info->bias);
1164 }
1165
1166 if (len > buf_len)
1167 len = buf_len;
1168
1169 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1170
1171 kfree(buf);
1172 return ret_cnt;
1173}
1174
1175static const struct file_operations fops_roam_table = {
1176 .read = ath6kl_roam_table_read,
1177 .open = ath6kl_debugfs_open,
1178 .owner = THIS_MODULE,
1179 .llseek = default_llseek,
1180};
1181
1261875f
JM		 1182static ssize_t ath6kl_force_roam_write(struct file *file,
1183 const char __user *user_buf,
1184 size_t count, loff_t *ppos)
1185{
1186 struct ath6kl *ar = file->private_data;
1187 int ret;
1188 char buf[20];
1189 size_t len;
1190 u8 bssid[ETH_ALEN];
1191 int i;
1192 int addr[ETH_ALEN];
1193
1194 len = min(count, sizeof(buf) - 1);
1195 if (copy_from_user(buf, user_buf, len))
1196 return -EFAULT;
1197 buf[len] = '\0';
1198
1199 if (sscanf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
1200 &addr[0], &addr[1], &addr[2], &addr[3], &addr[4], &addr[5])
1201 != ETH_ALEN)
1202 return -EINVAL;
1203 for (i = 0; i < ETH_ALEN; i++)
1204 bssid[i] = addr[i];
1205
1206 ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);
1207 if (ret)
1208 return ret;
1209
1210 return count;
1211}
1212
1213static const struct file_operations fops_force_roam = {
1214 .write = ath6kl_force_roam_write,
1215 .open = ath6kl_debugfs_open,
1216 .owner = THIS_MODULE,
1217 .llseek = default_llseek,
1218};
1219
1220static ssize_t ath6kl_roam_mode_write(struct file *file,
1221 const char __user *user_buf,
1222 size_t count, loff_t *ppos)
1223{
1224 struct ath6kl *ar = file->private_data;
1225 int ret;
1226 char buf[20];
1227 size_t len;
1228 enum wmi_roam_mode mode;
1229
1230 len = min(count, sizeof(buf) - 1);
1231 if (copy_from_user(buf, user_buf, len))
1232 return -EFAULT;
1233 buf[len] = '\0';
1234 if (len > 0 && buf[len - 1] == '\n')
1235 buf[len - 1] = '\0';
1236
1237 if (strcasecmp(buf, "default") == 0)
1238 mode = WMI_DEFAULT_ROAM_MODE;
1239 else if (strcasecmp(buf, "bssbias") == 0)
1240 mode = WMI_HOST_BIAS_ROAM_MODE;
1241 else if (strcasecmp(buf, "lock") == 0)
1242 mode = WMI_LOCK_BSS_MODE;
1243 else
1244 return -EINVAL;
1245
1246 ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);
1247 if (ret)
1248 return ret;
1249
1250 return count;
1251}
1252
1253static const struct file_operations fops_roam_mode = {
1254 .write = ath6kl_roam_mode_write,
1255 .open = ath6kl_debugfs_open,
1256 .owner = THIS_MODULE,
1257 .llseek = default_llseek,
1258};
1259
ff0b0075
JM		 1260void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)
1261{
1262 ar->debug.keepalive = keepalive;
1263}
1264
1265static ssize_t ath6kl_keepalive_read(struct file *file, char __user *user_buf,
1266 size_t count, loff_t *ppos)
1267{
1268 struct ath6kl *ar = file->private_data;
1269 char buf[16];
1270 int len;
1271
1272 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.keepalive);
1273
1274 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1275}
1276
1277static ssize_t ath6kl_keepalive_write(struct file *file,
1278 const char __user *user_buf,
1279 size_t count, loff_t *ppos)
1280{
1281 struct ath6kl *ar = file->private_data;
1282 int ret;
1283 u8 val;
1284
1285 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1286 if (ret)
1287 return ret;
1288
0ce59445 1289 ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, 0, val);
ff0b0075
JM		 1290 if (ret)
1291 return ret;
1292
1293 return count;
1294}
1295
1296static const struct file_operations fops_keepalive = {
1297 .open = ath6kl_debugfs_open,
1298 .read = ath6kl_keepalive_read,
1299 .write = ath6kl_keepalive_write,
1300 .owner = THIS_MODULE,
1301 .llseek = default_llseek,
1302};
1303
1304void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)
1305{
1306 ar->debug.disc_timeout = timeout;
1307}
1308
1309static ssize_t ath6kl_disconnect_timeout_read(struct file *file,
1310 char __user *user_buf,
1311 size_t count, loff_t *ppos)
1312{
1313 struct ath6kl *ar = file->private_data;
1314 char buf[16];
1315 int len;
1316
1317 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.disc_timeout);
1318
1319 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1320}
1321
1322static ssize_t ath6kl_disconnect_timeout_write(struct file *file,
1323 const char __user *user_buf,
1324 size_t count, loff_t *ppos)
1325{
1326 struct ath6kl *ar = file->private_data;
1327 int ret;
1328 u8 val;
1329
1330 ret = kstrtou8_from_user(user_buf, count, 0, &val);
1331 if (ret)
1332 return ret;
1333
0ce59445 1334 ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, 0, val);
ff0b0075
JM		 1335 if (ret)
1336 return ret;
1337
1338 return count;
1339}
1340
1341static const struct file_operations fops_disconnect_timeout = {
1342 .open = ath6kl_debugfs_open,
1343 .read = ath6kl_disconnect_timeout_read,
1344 .write = ath6kl_disconnect_timeout_write,
1345 .owner = THIS_MODULE,
1346 .llseek = default_llseek,
1347};
1348
8fffd9e5
RP		 1349static ssize_t ath6kl_create_qos_write(struct file *file,
1350 const char __user *user_buf,
1351 size_t count, loff_t *ppos)
1352{
1353
1354 struct ath6kl *ar = file->private_data;
990bd915 1355 struct ath6kl_vif *vif;
8cb6d991 1356 char buf[200];
8fffd9e5
RP		 1357 ssize_t len;
1358 char *sptr, *token;
1359 struct wmi_create_pstream_cmd pstream;
1360 u32 val32;
1361 u16 val16;
1362
990bd915
VT		 1363 vif = ath6kl_vif_first(ar);
1364 if (!vif)
1365 return -EIO;
1366
8fffd9e5
RP		 1367 len = min(count, sizeof(buf) - 1);
1368 if (copy_from_user(buf, user_buf, len))
1369 return -EFAULT;
1370 buf[len] = '\0';
1371 sptr = buf;
1372
1373 token = strsep(&sptr, " ");
1374 if (!token)
1375 return -EINVAL;
1376 if (kstrtou8(token, 0, &pstream.user_pri))
1377 return -EINVAL;
1378
1379 token = strsep(&sptr, " ");
1380 if (!token)
1381 return -EINVAL;
1382 if (kstrtou8(token, 0, &pstream.traffic_direc))
1383 return -EINVAL;
1384
1385 token = strsep(&sptr, " ");
1386 if (!token)
1387 return -EINVAL;
1388 if (kstrtou8(token, 0, &pstream.traffic_class))
1389 return -EINVAL;
1390
1391 token = strsep(&sptr, " ");
1392 if (!token)
1393 return -EINVAL;
1394 if (kstrtou8(token, 0, &pstream.traffic_type))
1395 return -EINVAL;
1396
1397 token = strsep(&sptr, " ");
1398 if (!token)
1399 return -EINVAL;
1400 if (kstrtou8(token, 0, &pstream.voice_psc_cap))
1401 return -EINVAL;
1402
1403 token = strsep(&sptr, " ");
1404 if (!token)
1405 return -EINVAL;
1406 if (kstrtou32(token, 0, &val32))
1407 return -EINVAL;
1408 pstream.min_service_int = cpu_to_le32(val32);
1409
1410 token = strsep(&sptr, " ");
1411 if (!token)
1412 return -EINVAL;
1413 if (kstrtou32(token, 0, &val32))
1414 return -EINVAL;
1415 pstream.max_service_int = cpu_to_le32(val32);
1416
1417 token = strsep(&sptr, " ");
1418 if (!token)
1419 return -EINVAL;
1420 if (kstrtou32(token, 0, &val32))
1421 return -EINVAL;
1422 pstream.inactivity_int = cpu_to_le32(val32);
1423
1424 token = strsep(&sptr, " ");
1425 if (!token)
1426 return -EINVAL;
1427 if (kstrtou32(token, 0, &val32))
1428 return -EINVAL;
1429 pstream.suspension_int = cpu_to_le32(val32);
1430
1431 token = strsep(&sptr, " ");
1432 if (!token)
1433 return -EINVAL;
1434 if (kstrtou32(token, 0, &val32))
1435 return -EINVAL;
1436 pstream.service_start_time = cpu_to_le32(val32);
1437
1438 token = strsep(&sptr, " ");
1439 if (!token)
1440 return -EINVAL;
1441 if (kstrtou8(token, 0, &pstream.tsid))
1442 return -EINVAL;
1443
1444 token = strsep(&sptr, " ");
1445 if (!token)
1446 return -EINVAL;
1447 if (kstrtou16(token, 0, &val16))
1448 return -EINVAL;
1449 pstream.nominal_msdu = cpu_to_le16(val16);
1450
1451 token = strsep(&sptr, " ");
1452 if (!token)
1453 return -EINVAL;
1454 if (kstrtou16(token, 0, &val16))
1455 return -EINVAL;
1456 pstream.max_msdu = cpu_to_le16(val16);
1457
1458 token = strsep(&sptr, " ");
1459 if (!token)
1460 return -EINVAL;
1461 if (kstrtou32(token, 0, &val32))
1462 return -EINVAL;
1463 pstream.min_data_rate = cpu_to_le32(val32);
1464
1465 token = strsep(&sptr, " ");
1466 if (!token)
1467 return -EINVAL;
1468 if (kstrtou32(token, 0, &val32))
1469 return -EINVAL;
1470 pstream.mean_data_rate = cpu_to_le32(val32);
1471
1472 token = strsep(&sptr, " ");
1473 if (!token)
1474 return -EINVAL;
1475 if (kstrtou32(token, 0, &val32))
1476 return -EINVAL;
1477 pstream.peak_data_rate = cpu_to_le32(val32);
1478
1479 token = strsep(&sptr, " ");
1480 if (!token)
1481 return -EINVAL;
1482 if (kstrtou32(token, 0, &val32))
1483 return -EINVAL;
1484 pstream.max_burst_size = cpu_to_le32(val32);
1485
1486 token = strsep(&sptr, " ");
1487 if (!token)
1488 return -EINVAL;
1489 if (kstrtou32(token, 0, &val32))
1490 return -EINVAL;
1491 pstream.delay_bound = cpu_to_le32(val32);
1492
1493 token = strsep(&sptr, " ");
1494 if (!token)
1495 return -EINVAL;
1496 if (kstrtou32(token, 0, &val32))
1497 return -EINVAL;
1498 pstream.min_phy_rate = cpu_to_le32(val32);
1499
1500 token = strsep(&sptr, " ");
1501 if (!token)
1502 return -EINVAL;
1503 if (kstrtou32(token, 0, &val32))
1504 return -EINVAL;
1505 pstream.sba = cpu_to_le32(val32);
1506
1507 token = strsep(&sptr, " ");
1508 if (!token)
1509 return -EINVAL;
1510 if (kstrtou32(token, 0, &val32))
1511 return -EINVAL;
1512 pstream.medium_time = cpu_to_le32(val32);
1513
5fbea5dc
CN		 1514 pstream.nominal_phy = le32_to_cpu(pstream.min_phy_rate) / 1000000;
1515
240d2799 1516 ath6kl_wmi_create_pstream_cmd(ar->wmi, vif->fw_vif_idx, &pstream);
8fffd9e5
RP		 1517
1518 return count;
1519}
1520
1521static const struct file_operations fops_create_qos = {
1522 .write = ath6kl_create_qos_write,
1523 .open = ath6kl_debugfs_open,
1524 .owner = THIS_MODULE,
1525 .llseek = default_llseek,
1526};
1527
1528static ssize_t ath6kl_delete_qos_write(struct file *file,
1529 const char __user *user_buf,
1530 size_t count, loff_t *ppos)
1531{
1532
1533 struct ath6kl *ar = file->private_data;
990bd915 1534 struct ath6kl_vif *vif;
8fffd9e5
RP		 1535 char buf[100];
1536 ssize_t len;
1537 char *sptr, *token;
1538 u8 traffic_class;
1539 u8 tsid;
1540
990bd915
VT		 1541 vif = ath6kl_vif_first(ar);
1542 if (!vif)
1543 return -EIO;
1544
8fffd9e5
RP		 1545 len = min(count, sizeof(buf) - 1);
1546 if (copy_from_user(buf, user_buf, len))
1547 return -EFAULT;
1548 buf[len] = '\0';
1549 sptr = buf;
1550
1551 token = strsep(&sptr, " ");
1552 if (!token)
1553 return -EINVAL;
1554 if (kstrtou8(token, 0, &traffic_class))
1555 return -EINVAL;
1556
1557 token = strsep(&sptr, " ");
1558 if (!token)
1559 return -EINVAL;
1560 if (kstrtou8(token, 0, &tsid))
1561 return -EINVAL;
1562
240d2799
VT		 1563 ath6kl_wmi_delete_pstream_cmd(ar->wmi, vif->fw_vif_idx,
1564 traffic_class, tsid);
8fffd9e5
RP		 1565
1566 return count;
1567}
1568
1569static const struct file_operations fops_delete_qos = {
1570 .write = ath6kl_delete_qos_write,
1571 .open = ath6kl_debugfs_open,
1572 .owner = THIS_MODULE,
1573 .llseek = default_llseek,
1574};
1575
116b3a2e
RP		 1576static ssize_t ath6kl_bgscan_int_write(struct file *file,
1577 const char __user *user_buf,
1578 size_t count, loff_t *ppos)
1579{
1580 struct ath6kl *ar = file->private_data;
eb38987e 1581 struct ath6kl_vif *vif;
116b3a2e
RP		 1582 u16 bgscan_int;
1583 char buf[32];
1584 ssize_t len;
1585
eb38987e
RM		 1586 vif = ath6kl_vif_first(ar);
1587 if (!vif)
1588 return -EIO;
1589
116b3a2e
RP		 1590 len = min(count, sizeof(buf) - 1);
1591 if (copy_from_user(buf, user_buf, len))
1592 return -EFAULT;
1593
1594 buf[len] = '\0';
1595 if (kstrtou16(buf, 0, &bgscan_int))
1596 return -EINVAL;
1597
1598 if (bgscan_int == 0)
1599 bgscan_int = 0xffff;
1600
eb38987e
RM		 1601 vif->bg_scan_period = bgscan_int;
1602
334234b5 1603 ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,
116b3a2e
RP		 1604 0, 0, 0);
1605
1606 return count;
1607}
1608
1609static const struct file_operations fops_bgscan_int = {
1610 .write = ath6kl_bgscan_int_write,
1611 .open = ath6kl_debugfs_open,
1612 .owner = THIS_MODULE,
1613 .llseek = default_llseek,
1614};
1615
ef8f0eba 1616static ssize_t ath6kl_listen_int_write(struct file *file,
8232736d
SM		 1617 const char __user *user_buf,
1618 size_t count, loff_t *ppos)
ef8f0eba
RP		 1619{
1620 struct ath6kl *ar = file->private_data;
8232736d
SM		 1621 struct ath6kl_vif *vif;
1622 u16 listen_interval;
ef8f0eba 1623 char buf[32];
ef8f0eba
RP		 1624 ssize_t len;
1625
8232736d
SM		 1626 vif = ath6kl_vif_first(ar);
1627 if (!vif)
1628 return -EIO;
1629
ef8f0eba
RP		 1630 len = min(count, sizeof(buf) - 1);
1631 if (copy_from_user(buf, user_buf, len))
1632 return -EFAULT;
1633
1634 buf[len] = '\0';
8232736d 1635 if (kstrtou16(buf, 0, &listen_interval))
ef8f0eba
RP		 1636 return -EINVAL;
1637
8f46fccd 1638 if ((listen_interval < 15) || (listen_interval > 3000))
ef8f0eba
RP		 1639 return -EINVAL;
1640
8f46fccd
RM		 1641 vif->listen_intvl_t = listen_interval;
1642 ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
1643 vif->listen_intvl_t, 0);
ef8f0eba
RP		 1644
1645 return count;
1646}
1647
1648static ssize_t ath6kl_listen_int_read(struct file *file,
8232736d
SM		 1649 char __user *user_buf,
1650 size_t count, loff_t *ppos)
ef8f0eba
RP		 1651{
1652 struct ath6kl *ar = file->private_data;
8f46fccd 1653 struct ath6kl_vif *vif;
50553c2c 1654 char buf[32];
ef8f0eba
RP		 1655 int len;
1656
8f46fccd
RM		 1657 vif = ath6kl_vif_first(ar);
1658 if (!vif)
1659 return -EIO;
1660
1661 len = scnprintf(buf, sizeof(buf), "%u\n", vif->listen_intvl_t);
ef8f0eba
RP		 1662
1663 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1664}
1665
1666static const struct file_operations fops_listen_int = {
1667 .read = ath6kl_listen_int_read,
1668 .write = ath6kl_listen_int_write,
1669 .open = ath6kl_debugfs_open,
1670 .owner = THIS_MODULE,
1671 .llseek = default_llseek,
1672};
1673
a24fc7c3
RP		 1674static ssize_t ath6kl_power_params_write(struct file *file,
1675 const char __user *user_buf,
1676 size_t count, loff_t *ppos)
1677{
1678 struct ath6kl *ar = file->private_data;
1679 u8 buf[100];
1680 unsigned int len = 0;
1681 char *sptr, *token;
1682 u16 idle_period, ps_poll_num, dtim,
1683 tx_wakeup, num_tx;
1684
1685 len = min(count, sizeof(buf) - 1);
1686 if (copy_from_user(buf, user_buf, len))
1687 return -EFAULT;
1688 buf[len] = '\0';
1689 sptr = buf;
1690
1691 token = strsep(&sptr, " ");
1692 if (!token)
1693 return -EINVAL;
1694 if (kstrtou16(token, 0, &idle_period))
1695 return -EINVAL;
1696
1697 token = strsep(&sptr, " ");
1698 if (!token)
1699 return -EINVAL;
1700 if (kstrtou16(token, 0, &ps_poll_num))
1701 return -EINVAL;
1702
1703 token = strsep(&sptr, " ");
1704 if (!token)
1705 return -EINVAL;
1706 if (kstrtou16(token, 0, &dtim))
1707 return -EINVAL;
1708
1709 token = strsep(&sptr, " ");
1710 if (!token)
1711 return -EINVAL;
1712 if (kstrtou16(token, 0, &tx_wakeup))
1713 return -EINVAL;
1714
1715 token = strsep(&sptr, " ");
1716 if (!token)
1717 return -EINVAL;
1718 if (kstrtou16(token, 0, &num_tx))
1719 return -EINVAL;
1720
1721 ath6kl_wmi_pmparams_cmd(ar->wmi, 0, idle_period, ps_poll_num,
1722 dtim, tx_wakeup, num_tx, 0);
1723
1724 return count;
1725}
1726
1727static const struct file_operations fops_power_params = {
1728 .write = ath6kl_power_params_write,
1729 .open = ath6kl_debugfs_open,
1730 .owner = THIS_MODULE,
1731 .llseek = default_llseek,
1732};
1733
068a4633 1734void ath6kl_debug_init(struct ath6kl *ar)
d999ba3e 1735{
9b9a4f2a 1736 skb_queue_head_init(&ar->debug.fwlog_queue);
c807b30d 1737 init_completion(&ar->debug.fwlog_completion);
bdf5396b 1738
939f1cce
KV		 1739 /*
1740 * Actually we are lying here but don't know how to read the mask
1741 * value from the firmware.
1742 */
1743 ar->debug.fwlog_mask = 0;
068a4633 1744}
939f1cce 1745
068a4633
VT		 1746/*
1747 * Initialisation needs to happen in two stages as fwlog events can come
1748 * before cfg80211 is initialised, and debugfs depends on cfg80211
1749 * initialisation.
1750 */
1751int ath6kl_debug_init_fs(struct ath6kl *ar)
1752{
d999ba3e 1753 ar->debugfs_phy = debugfs_create_dir("ath6kl",
be98e3a4 1754 ar->wiphy->debugfsdir);
9b9a4f2a 1755 if (!ar->debugfs_phy)
d999ba3e
VT		 1756 return -ENOMEM;
1757
03f68a95
VT		 1758 debugfs_create_file("tgt_stats", S_IRUSR, ar->debugfs_phy, ar,
1759 &fops_tgt_stats);
1760
78fc4856
VT		 1761 debugfs_create_file("credit_dist_stats", S_IRUSR, ar->debugfs_phy, ar,
1762 &fops_credit_dist_stats);
1763
e8091281
JM		 1764 debugfs_create_file("endpoint_stats", S_IRUSR | S_IWUSR,
1765 ar->debugfs_phy, ar, &fops_endpoint_stats);
1766
bdf5396b
KV		 1767 debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar,
1768 &fops_fwlog);
1769
c807b30d
KV		 1770 debugfs_create_file("fwlog_block", S_IRUSR, ar->debugfs_phy, ar,
1771 &fops_fwlog_block);
1772
939f1cce
KV		 1773 debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy,
1774 ar, &fops_fwlog_mask);
1775
91d57de5
VT		 1776 debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
1777 &fops_diag_reg_read);
1778
1779 debugfs_create_file("reg_dump", S_IRUSR, ar->debugfs_phy, ar,
1780 &fops_reg_dump);
1781
e5090444
VN		 1782 debugfs_create_file("lrssi_roam_threshold", S_IRUSR | S_IWUSR,
1783 ar->debugfs_phy, ar, &fops_lrssi_roam_threshold);
252c068b
VT		 1784
1785 debugfs_create_file("reg_write", S_IRUSR | S_IWUSR,
1786 ar->debugfs_phy, ar, &fops_diag_reg_write);
1787
9a730834
KV		 1788 debugfs_create_file("war_stats", S_IRUSR, ar->debugfs_phy, ar,
1789 &fops_war_stats);
1790
4b28a80d
JM		 1791 debugfs_create_file("roam_table", S_IRUSR, ar->debugfs_phy, ar,
1792 &fops_roam_table);
1793
1261875f
JM		 1794 debugfs_create_file("force_roam", S_IWUSR, ar->debugfs_phy, ar,
1795 &fops_force_roam);
1796
1797 debugfs_create_file("roam_mode", S_IWUSR, ar->debugfs_phy, ar,
1798 &fops_roam_mode);
1799
ff0b0075
JM		 1800 debugfs_create_file("keepalive", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
1801 &fops_keepalive);
1802
1803 debugfs_create_file("disconnect_timeout", S_IRUSR | S_IWUSR,
1804 ar->debugfs_phy, ar, &fops_disconnect_timeout);
1805
8fffd9e5 1806 debugfs_create_file("create_qos", S_IWUSR, ar->debugfs_phy, ar,
96f1fadc 1807 &fops_create_qos);
8fffd9e5
RP		 1808
1809 debugfs_create_file("delete_qos", S_IWUSR, ar->debugfs_phy, ar,
96f1fadc 1810 &fops_delete_qos);
8fffd9e5 1811
116b3a2e 1812 debugfs_create_file("bgscan_interval", S_IWUSR,
96f1fadc 1813 ar->debugfs_phy, ar, &fops_bgscan_int);
116b3a2e 1814
8232736d
SM		 1815 debugfs_create_file("listen_interval", S_IRUSR | S_IWUSR,
1816 ar->debugfs_phy, ar, &fops_listen_int);
1817
a24fc7c3 1818 debugfs_create_file("power_params", S_IWUSR, ar->debugfs_phy, ar,
96f1fadc 1819 &fops_power_params);
a24fc7c3 1820
d999ba3e
VT		 1821 return 0;
1822}
bdf5396b
KV		 1823
1824void ath6kl_debug_cleanup(struct ath6kl *ar)
1825{
9b9a4f2a 1826 skb_queue_purge(&ar->debug.fwlog_queue);
92ada046 1827 complete(&ar->debug.fwlog_completion);
4b28a80d 1828 kfree(ar->debug.roam_tbl);
bdf5396b
KV		 1829}
1830
bdcd8170 1831#endif
Linux kernel - Deliverables
This page took 0.149697 seconds and 5 git commands to generate.