Loading...
1/*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <linux/slab.h>
18#include <linux/vmalloc.h>
19#include <asm/unaligned.h>
20
21#include "ath9k.h"
22
23#define REG_WRITE_D(_ah, _reg, _val) \
24 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
25#define REG_READ_D(_ah, _reg) \
26 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
27
28static int ath9k_debugfs_open(struct inode *inode, struct file *file)
29{
30 file->private_data = inode->i_private;
31 return 0;
32}
33
34static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
35 size_t count, loff_t *ppos)
36{
37 u8 *buf = file->private_data;
38 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
39}
40
41static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
42{
43 vfree(file->private_data);
44 return 0;
45}
46
47#ifdef CONFIG_ATH_DEBUG
48
49static ssize_t read_file_debug(struct file *file, char __user *user_buf,
50 size_t count, loff_t *ppos)
51{
52 struct ath_softc *sc = file->private_data;
53 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
54 char buf[32];
55 unsigned int len;
56
57 len = sprintf(buf, "0x%08x\n", common->debug_mask);
58 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
59}
60
61static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
62 size_t count, loff_t *ppos)
63{
64 struct ath_softc *sc = file->private_data;
65 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
66 unsigned long mask;
67 char buf[32];
68 ssize_t len;
69
70 len = min(count, sizeof(buf) - 1);
71 if (copy_from_user(buf, user_buf, len))
72 return -EFAULT;
73
74 buf[len] = '\0';
75 if (strict_strtoul(buf, 0, &mask))
76 return -EINVAL;
77
78 common->debug_mask = mask;
79 return count;
80}
81
82static const struct file_operations fops_debug = {
83 .read = read_file_debug,
84 .write = write_file_debug,
85 .open = ath9k_debugfs_open,
86 .owner = THIS_MODULE,
87 .llseek = default_llseek,
88};
89
90#endif
91
92#define DMA_BUF_LEN 1024
93
94static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
95 size_t count, loff_t *ppos)
96{
97 struct ath_softc *sc = file->private_data;
98 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
99 char buf[32];
100 unsigned int len;
101
102 len = sprintf(buf, "0x%08x\n", common->tx_chainmask);
103 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
104}
105
106static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
107 size_t count, loff_t *ppos)
108{
109 struct ath_softc *sc = file->private_data;
110 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
111 unsigned long mask;
112 char buf[32];
113 ssize_t len;
114
115 len = min(count, sizeof(buf) - 1);
116 if (copy_from_user(buf, user_buf, len))
117 return -EFAULT;
118
119 buf[len] = '\0';
120 if (strict_strtoul(buf, 0, &mask))
121 return -EINVAL;
122
123 common->tx_chainmask = mask;
124 sc->sc_ah->caps.tx_chainmask = mask;
125 return count;
126}
127
128static const struct file_operations fops_tx_chainmask = {
129 .read = read_file_tx_chainmask,
130 .write = write_file_tx_chainmask,
131 .open = ath9k_debugfs_open,
132 .owner = THIS_MODULE,
133 .llseek = default_llseek,
134};
135
136
137static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
138 size_t count, loff_t *ppos)
139{
140 struct ath_softc *sc = file->private_data;
141 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
142 char buf[32];
143 unsigned int len;
144
145 len = sprintf(buf, "0x%08x\n", common->rx_chainmask);
146 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
147}
148
149static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
150 size_t count, loff_t *ppos)
151{
152 struct ath_softc *sc = file->private_data;
153 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
154 unsigned long mask;
155 char buf[32];
156 ssize_t len;
157
158 len = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, len))
160 return -EFAULT;
161
162 buf[len] = '\0';
163 if (strict_strtoul(buf, 0, &mask))
164 return -EINVAL;
165
166 common->rx_chainmask = mask;
167 sc->sc_ah->caps.rx_chainmask = mask;
168 return count;
169}
170
171static const struct file_operations fops_rx_chainmask = {
172 .read = read_file_rx_chainmask,
173 .write = write_file_rx_chainmask,
174 .open = ath9k_debugfs_open,
175 .owner = THIS_MODULE,
176 .llseek = default_llseek,
177};
178
179static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
180 size_t count, loff_t *ppos)
181{
182 struct ath_softc *sc = file->private_data;
183 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
184 char buf[32];
185 unsigned int len;
186
187 len = sprintf(buf, "%d\n", common->disable_ani);
188 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
189}
190
191static ssize_t write_file_disable_ani(struct file *file,
192 const char __user *user_buf,
193 size_t count, loff_t *ppos)
194{
195 struct ath_softc *sc = file->private_data;
196 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
197 unsigned long disable_ani;
198 char buf[32];
199 ssize_t len;
200
201 len = min(count, sizeof(buf) - 1);
202 if (copy_from_user(buf, user_buf, len))
203 return -EFAULT;
204
205 buf[len] = '\0';
206 if (strict_strtoul(buf, 0, &disable_ani))
207 return -EINVAL;
208
209 common->disable_ani = !!disable_ani;
210
211 if (disable_ani) {
212 sc->sc_flags &= ~SC_OP_ANI_RUN;
213 del_timer_sync(&common->ani.timer);
214 } else {
215 sc->sc_flags |= SC_OP_ANI_RUN;
216 ath_start_ani(common);
217 }
218
219 return count;
220}
221
222static const struct file_operations fops_disable_ani = {
223 .read = read_file_disable_ani,
224 .write = write_file_disable_ani,
225 .open = ath9k_debugfs_open,
226 .owner = THIS_MODULE,
227 .llseek = default_llseek,
228};
229
230static ssize_t read_file_dma(struct file *file, char __user *user_buf,
231 size_t count, loff_t *ppos)
232{
233 struct ath_softc *sc = file->private_data;
234 struct ath_hw *ah = sc->sc_ah;
235 char *buf;
236 int retval;
237 unsigned int len = 0;
238 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
239 int i, qcuOffset = 0, dcuOffset = 0;
240 u32 *qcuBase = &val[0], *dcuBase = &val[4];
241
242 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
243 if (!buf)
244 return -ENOMEM;
245
246 ath9k_ps_wakeup(sc);
247
248 REG_WRITE_D(ah, AR_MACMISC,
249 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
250 (AR_MACMISC_MISC_OBS_BUS_1 <<
251 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
252
253 len += snprintf(buf + len, DMA_BUF_LEN - len,
254 "Raw DMA Debug values:\n");
255
256 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
257 if (i % 4 == 0)
258 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
259
260 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
261 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
262 i, val[i]);
263 }
264
265 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
266 len += snprintf(buf + len, DMA_BUF_LEN - len,
267 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
268
269 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
270 if (i == 8) {
271 qcuOffset = 0;
272 qcuBase++;
273 }
274
275 if (i == 6) {
276 dcuOffset = 0;
277 dcuBase++;
278 }
279
280 len += snprintf(buf + len, DMA_BUF_LEN - len,
281 "%2d %2x %1x %2x %2x\n",
282 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
283 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
284 val[2] & (0x7 << (i * 3)) >> (i * 3),
285 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
286 }
287
288 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
289
290 len += snprintf(buf + len, DMA_BUF_LEN - len,
291 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
292 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
293 len += snprintf(buf + len, DMA_BUF_LEN - len,
294 "qcu_complete state: %2x dcu_complete state: %2x\n",
295 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
296 len += snprintf(buf + len, DMA_BUF_LEN - len,
297 "dcu_arb state: %2x dcu_fp state: %2x\n",
298 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
299 len += snprintf(buf + len, DMA_BUF_LEN - len,
300 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
301 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
302 len += snprintf(buf + len, DMA_BUF_LEN - len,
303 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
304 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
305 len += snprintf(buf + len, DMA_BUF_LEN - len,
306 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
307 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
308
309 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
310 REG_READ_D(ah, AR_OBS_BUS_1));
311 len += snprintf(buf + len, DMA_BUF_LEN - len,
312 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
313
314 ath9k_ps_restore(sc);
315
316 if (len > DMA_BUF_LEN)
317 len = DMA_BUF_LEN;
318
319 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
320 kfree(buf);
321 return retval;
322}
323
324static const struct file_operations fops_dma = {
325 .read = read_file_dma,
326 .open = ath9k_debugfs_open,
327 .owner = THIS_MODULE,
328 .llseek = default_llseek,
329};
330
331
332void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
333{
334 if (status)
335 sc->debug.stats.istats.total++;
336 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
337 if (status & ATH9K_INT_RXLP)
338 sc->debug.stats.istats.rxlp++;
339 if (status & ATH9K_INT_RXHP)
340 sc->debug.stats.istats.rxhp++;
341 if (status & ATH9K_INT_BB_WATCHDOG)
342 sc->debug.stats.istats.bb_watchdog++;
343 } else {
344 if (status & ATH9K_INT_RX)
345 sc->debug.stats.istats.rxok++;
346 }
347 if (status & ATH9K_INT_RXEOL)
348 sc->debug.stats.istats.rxeol++;
349 if (status & ATH9K_INT_RXORN)
350 sc->debug.stats.istats.rxorn++;
351 if (status & ATH9K_INT_TX)
352 sc->debug.stats.istats.txok++;
353 if (status & ATH9K_INT_TXURN)
354 sc->debug.stats.istats.txurn++;
355 if (status & ATH9K_INT_MIB)
356 sc->debug.stats.istats.mib++;
357 if (status & ATH9K_INT_RXPHY)
358 sc->debug.stats.istats.rxphyerr++;
359 if (status & ATH9K_INT_RXKCM)
360 sc->debug.stats.istats.rx_keycache_miss++;
361 if (status & ATH9K_INT_SWBA)
362 sc->debug.stats.istats.swba++;
363 if (status & ATH9K_INT_BMISS)
364 sc->debug.stats.istats.bmiss++;
365 if (status & ATH9K_INT_BNR)
366 sc->debug.stats.istats.bnr++;
367 if (status & ATH9K_INT_CST)
368 sc->debug.stats.istats.cst++;
369 if (status & ATH9K_INT_GTT)
370 sc->debug.stats.istats.gtt++;
371 if (status & ATH9K_INT_TIM)
372 sc->debug.stats.istats.tim++;
373 if (status & ATH9K_INT_CABEND)
374 sc->debug.stats.istats.cabend++;
375 if (status & ATH9K_INT_DTIMSYNC)
376 sc->debug.stats.istats.dtimsync++;
377 if (status & ATH9K_INT_DTIM)
378 sc->debug.stats.istats.dtim++;
379 if (status & ATH9K_INT_TSFOOR)
380 sc->debug.stats.istats.tsfoor++;
381}
382
383static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
384 size_t count, loff_t *ppos)
385{
386 struct ath_softc *sc = file->private_data;
387 char buf[512];
388 unsigned int len = 0;
389
390 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
391 len += snprintf(buf + len, sizeof(buf) - len,
392 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
393 len += snprintf(buf + len, sizeof(buf) - len,
394 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
395 len += snprintf(buf + len, sizeof(buf) - len,
396 "%8s: %10u\n", "WATCHDOG",
397 sc->debug.stats.istats.bb_watchdog);
398 } else {
399 len += snprintf(buf + len, sizeof(buf) - len,
400 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
401 }
402 len += snprintf(buf + len, sizeof(buf) - len,
403 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
404 len += snprintf(buf + len, sizeof(buf) - len,
405 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
406 len += snprintf(buf + len, sizeof(buf) - len,
407 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
408 len += snprintf(buf + len, sizeof(buf) - len,
409 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
410 len += snprintf(buf + len, sizeof(buf) - len,
411 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
412 len += snprintf(buf + len, sizeof(buf) - len,
413 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
414 len += snprintf(buf + len, sizeof(buf) - len,
415 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
416 len += snprintf(buf + len, sizeof(buf) - len,
417 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
418 len += snprintf(buf + len, sizeof(buf) - len,
419 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
420 len += snprintf(buf + len, sizeof(buf) - len,
421 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
422 len += snprintf(buf + len, sizeof(buf) - len,
423 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
424 len += snprintf(buf + len, sizeof(buf) - len,
425 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
426 len += snprintf(buf + len, sizeof(buf) - len,
427 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
428 len += snprintf(buf + len, sizeof(buf) - len,
429 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
430 len += snprintf(buf + len, sizeof(buf) - len,
431 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
432 len += snprintf(buf + len, sizeof(buf) - len,
433 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
434 len += snprintf(buf + len, sizeof(buf) - len,
435 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
436 len += snprintf(buf + len, sizeof(buf) - len,
437 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
438
439
440 if (len > sizeof(buf))
441 len = sizeof(buf);
442
443 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
444}
445
446static const struct file_operations fops_interrupt = {
447 .read = read_file_interrupt,
448 .open = ath9k_debugfs_open,
449 .owner = THIS_MODULE,
450 .llseek = default_llseek,
451};
452
453static const char *channel_type_str(enum nl80211_channel_type t)
454{
455 switch (t) {
456 case NL80211_CHAN_NO_HT:
457 return "no ht";
458 case NL80211_CHAN_HT20:
459 return "ht20";
460 case NL80211_CHAN_HT40MINUS:
461 return "ht40-";
462 case NL80211_CHAN_HT40PLUS:
463 return "ht40+";
464 default:
465 return "???";
466 }
467}
468
469static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
470 size_t count, loff_t *ppos)
471{
472 struct ath_softc *sc = file->private_data;
473 struct ieee80211_channel *chan = sc->hw->conf.channel;
474 struct ieee80211_conf *conf = &(sc->hw->conf);
475 char buf[512];
476 unsigned int len = 0;
477 u8 addr[ETH_ALEN];
478 u32 tmp;
479
480 len += snprintf(buf + len, sizeof(buf) - len,
481 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n",
482 wiphy_name(sc->hw->wiphy),
483 ieee80211_frequency_to_channel(chan->center_freq),
484 chan->center_freq,
485 conf->channel_type,
486 channel_type_str(conf->channel_type));
487
488 ath9k_ps_wakeup(sc);
489 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
490 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
491 len += snprintf(buf + len, sizeof(buf) - len,
492 "addr: %pM\n", addr);
493 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
494 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
495 len += snprintf(buf + len, sizeof(buf) - len,
496 "addrmask: %pM\n", addr);
497 tmp = ath9k_hw_getrxfilter(sc->sc_ah);
498 ath9k_ps_restore(sc);
499 len += snprintf(buf + len, sizeof(buf) - len,
500 "rfilt: 0x%x", tmp);
501 if (tmp & ATH9K_RX_FILTER_UCAST)
502 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
503 if (tmp & ATH9K_RX_FILTER_MCAST)
504 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
505 if (tmp & ATH9K_RX_FILTER_BCAST)
506 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
507 if (tmp & ATH9K_RX_FILTER_CONTROL)
508 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
509 if (tmp & ATH9K_RX_FILTER_BEACON)
510 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
511 if (tmp & ATH9K_RX_FILTER_PROM)
512 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
513 if (tmp & ATH9K_RX_FILTER_PROBEREQ)
514 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
515 if (tmp & ATH9K_RX_FILTER_PHYERR)
516 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
517 if (tmp & ATH9K_RX_FILTER_MYBEACON)
518 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
519 if (tmp & ATH9K_RX_FILTER_COMP_BAR)
520 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
521 if (tmp & ATH9K_RX_FILTER_PSPOLL)
522 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
523 if (tmp & ATH9K_RX_FILTER_PHYRADAR)
524 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
525 if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
526 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL\n");
527 else
528 len += snprintf(buf + len, sizeof(buf) - len, "\n");
529
530 if (len > sizeof(buf))
531 len = sizeof(buf);
532
533 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
534}
535
536static const struct file_operations fops_wiphy = {
537 .read = read_file_wiphy,
538 .open = ath9k_debugfs_open,
539 .owner = THIS_MODULE,
540 .llseek = default_llseek,
541};
542
543#define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
544#define PR(str, elem) \
545 do { \
546 len += snprintf(buf + len, size - len, \
547 "%s%13u%11u%10u%10u\n", str, \
548 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
549 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
550 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
551 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
552 if (len >= size) \
553 goto done; \
554} while(0)
555
556#define PRX(str, elem) \
557do { \
558 len += snprintf(buf + len, size - len, \
559 "%s%13u%11u%10u%10u\n", str, \
560 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
561 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
562 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
563 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
564 if (len >= size) \
565 goto done; \
566} while(0)
567
568#define PRQLE(str, elem) \
569do { \
570 len += snprintf(buf + len, size - len, \
571 "%s%13i%11i%10i%10i\n", str, \
572 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
573 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
574 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
575 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
576 if (len >= size) \
577 goto done; \
578} while (0)
579
580static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
581 size_t count, loff_t *ppos)
582{
583 struct ath_softc *sc = file->private_data;
584 char *buf;
585 unsigned int len = 0, size = 8000;
586 int i;
587 ssize_t retval = 0;
588 char tmp[32];
589
590 buf = kzalloc(size, GFP_KERNEL);
591 if (buf == NULL)
592 return -ENOMEM;
593
594 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
595 " poll-work-seen: %u\n"
596 "%30s %10s%10s%10s\n\n",
597 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
598 sc->tx_complete_poll_work_seen,
599 "BE", "BK", "VI", "VO");
600
601 PR("MPDUs Queued: ", queued);
602 PR("MPDUs Completed: ", completed);
603 PR("MPDUs XRetried: ", xretries);
604 PR("Aggregates: ", a_aggr);
605 PR("AMPDUs Queued HW:", a_queued_hw);
606 PR("AMPDUs Queued SW:", a_queued_sw);
607 PR("AMPDUs Completed:", a_completed);
608 PR("AMPDUs Retried: ", a_retries);
609 PR("AMPDUs XRetried: ", a_xretries);
610 PR("FIFO Underrun: ", fifo_underrun);
611 PR("TXOP Exceeded: ", xtxop);
612 PR("TXTIMER Expiry: ", timer_exp);
613 PR("DESC CFG Error: ", desc_cfg_err);
614 PR("DATA Underrun: ", data_underrun);
615 PR("DELIM Underrun: ", delim_underrun);
616 PR("TX-Pkts-All: ", tx_pkts_all);
617 PR("TX-Bytes-All: ", tx_bytes_all);
618 PR("hw-put-tx-buf: ", puttxbuf);
619 PR("hw-tx-start: ", txstart);
620 PR("hw-tx-proc-desc: ", txprocdesc);
621 len += snprintf(buf + len, size - len,
622 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
623 sc->tx.txq_map[WME_AC_BE],
624 sc->tx.txq_map[WME_AC_BK],
625 sc->tx.txq_map[WME_AC_VI],
626 sc->tx.txq_map[WME_AC_VO]);
627 if (len >= size)
628 goto done;
629
630 PRX("axq-qnum: ", axq_qnum);
631 PRX("axq-depth: ", axq_depth);
632 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
633 PRX("axq-stopped ", stopped);
634 PRX("tx-in-progress ", axq_tx_inprogress);
635 PRX("pending-frames ", pending_frames);
636 PRX("txq_headidx: ", txq_headidx);
637 PRX("txq_tailidx: ", txq_headidx);
638
639 PRQLE("axq_q empty: ", axq_q);
640 PRQLE("axq_acq empty: ", axq_acq);
641 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
642 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
643 PRQLE(tmp, txq_fifo[i]);
644 }
645
646 /* Print out more detailed queue-info */
647 for (i = 0; i <= WME_AC_BK; i++) {
648 struct ath_txq *txq = &(sc->tx.txq[i]);
649 struct ath_atx_ac *ac;
650 struct ath_atx_tid *tid;
651 if (len >= size)
652 goto done;
653 spin_lock_bh(&txq->axq_lock);
654 if (!list_empty(&txq->axq_acq)) {
655 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
656 list);
657 len += snprintf(buf + len, size - len,
658 "txq[%i] first-ac: %p sched: %i\n",
659 i, ac, ac->sched);
660 if (list_empty(&ac->tid_q) || (len >= size))
661 goto done_for;
662 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
663 list);
664 len += snprintf(buf + len, size - len,
665 " first-tid: %p sched: %i paused: %i\n",
666 tid, tid->sched, tid->paused);
667 }
668 done_for:
669 spin_unlock_bh(&txq->axq_lock);
670 }
671
672done:
673 if (len > size)
674 len = size;
675
676 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
677 kfree(buf);
678
679 return retval;
680}
681
682static ssize_t read_file_stations(struct file *file, char __user *user_buf,
683 size_t count, loff_t *ppos)
684{
685 struct ath_softc *sc = file->private_data;
686 char *buf;
687 unsigned int len = 0, size = 64000;
688 struct ath_node *an = NULL;
689 ssize_t retval = 0;
690 int q;
691
692 buf = kzalloc(size, GFP_KERNEL);
693 if (buf == NULL)
694 return -ENOMEM;
695
696 len += snprintf(buf + len, size - len,
697 "Stations:\n"
698 " tid: addr sched paused buf_q-empty an ac\n"
699 " ac: addr sched tid_q-empty txq\n");
700
701 spin_lock(&sc->nodes_lock);
702 list_for_each_entry(an, &sc->nodes, list) {
703 len += snprintf(buf + len, size - len,
704 "%pM\n", an->sta->addr);
705 if (len >= size)
706 goto done;
707
708 for (q = 0; q < WME_NUM_TID; q++) {
709 struct ath_atx_tid *tid = &(an->tid[q]);
710 len += snprintf(buf + len, size - len,
711 " tid: %p %s %s %i %p %p\n",
712 tid, tid->sched ? "sched" : "idle",
713 tid->paused ? "paused" : "running",
714 list_empty(&tid->buf_q),
715 tid->an, tid->ac);
716 if (len >= size)
717 goto done;
718 }
719
720 for (q = 0; q < WME_NUM_AC; q++) {
721 struct ath_atx_ac *ac = &(an->ac[q]);
722 len += snprintf(buf + len, size - len,
723 " ac: %p %s %i %p\n",
724 ac, ac->sched ? "sched" : "idle",
725 list_empty(&ac->tid_q), ac->txq);
726 if (len >= size)
727 goto done;
728 }
729 }
730
731done:
732 spin_unlock(&sc->nodes_lock);
733 if (len > size)
734 len = size;
735
736 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
737 kfree(buf);
738
739 return retval;
740}
741
742static ssize_t read_file_misc(struct file *file, char __user *user_buf,
743 size_t count, loff_t *ppos)
744{
745 struct ath_softc *sc = file->private_data;
746 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
747 struct ath_hw *ah = sc->sc_ah;
748 struct ieee80211_hw *hw = sc->hw;
749 char *buf;
750 unsigned int len = 0, size = 8000;
751 ssize_t retval = 0;
752 unsigned int reg;
753 struct ath9k_vif_iter_data iter_data;
754
755 ath9k_calculate_iter_data(hw, NULL, &iter_data);
756
757 buf = kzalloc(size, GFP_KERNEL);
758 if (buf == NULL)
759 return -ENOMEM;
760
761 ath9k_ps_wakeup(sc);
762 len += snprintf(buf + len, size - len,
763 "curbssid: %pM\n"
764 "OP-Mode: %s(%i)\n"
765 "Beacon-Timer-Register: 0x%x\n",
766 common->curbssid,
767 ath_opmode_to_string(sc->sc_ah->opmode),
768 (int)(sc->sc_ah->opmode),
769 REG_READ(ah, AR_BEACON_PERIOD));
770
771 reg = REG_READ(ah, AR_TIMER_MODE);
772 ath9k_ps_restore(sc);
773 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
774 reg);
775 if (reg & AR_TBTT_TIMER_EN)
776 len += snprintf(buf + len, size - len, "TBTT ");
777 if (reg & AR_DBA_TIMER_EN)
778 len += snprintf(buf + len, size - len, "DBA ");
779 if (reg & AR_SWBA_TIMER_EN)
780 len += snprintf(buf + len, size - len, "SWBA ");
781 if (reg & AR_HCF_TIMER_EN)
782 len += snprintf(buf + len, size - len, "HCF ");
783 if (reg & AR_TIM_TIMER_EN)
784 len += snprintf(buf + len, size - len, "TIM ");
785 if (reg & AR_DTIM_TIMER_EN)
786 len += snprintf(buf + len, size - len, "DTIM ");
787 len += snprintf(buf + len, size - len, ")\n");
788
789 reg = sc->sc_ah->imask;
790 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
791 if (reg & ATH9K_INT_SWBA)
792 len += snprintf(buf + len, size - len, "SWBA ");
793 if (reg & ATH9K_INT_BMISS)
794 len += snprintf(buf + len, size - len, "BMISS ");
795 if (reg & ATH9K_INT_CST)
796 len += snprintf(buf + len, size - len, "CST ");
797 if (reg & ATH9K_INT_RX)
798 len += snprintf(buf + len, size - len, "RX ");
799 if (reg & ATH9K_INT_RXHP)
800 len += snprintf(buf + len, size - len, "RXHP ");
801 if (reg & ATH9K_INT_RXLP)
802 len += snprintf(buf + len, size - len, "RXLP ");
803 if (reg & ATH9K_INT_BB_WATCHDOG)
804 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
805 /* there are other IRQs if one wanted to add them. */
806 len += snprintf(buf + len, size - len, ")\n");
807
808 len += snprintf(buf + len, size - len,
809 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
810 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
811 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
812 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
813 sc->nvifs, sc->nbcnvifs);
814
815 len += snprintf(buf + len, size - len,
816 "Calculated-BSSID-Mask: %pM\n",
817 iter_data.mask);
818
819 if (len > size)
820 len = size;
821
822 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
823 kfree(buf);
824
825 return retval;
826}
827
828void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
829 struct ath_tx_status *ts, struct ath_txq *txq)
830{
831 int qnum = txq->axq_qnum;
832
833 TX_STAT_INC(qnum, tx_pkts_all);
834 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
835
836 if (bf_isampdu(bf)) {
837 if (bf_isxretried(bf))
838 TX_STAT_INC(qnum, a_xretries);
839 else
840 TX_STAT_INC(qnum, a_completed);
841 } else {
842 if (bf_isxretried(bf))
843 TX_STAT_INC(qnum, xretries);
844 else
845 TX_STAT_INC(qnum, completed);
846 }
847
848 if (ts->ts_status & ATH9K_TXERR_FIFO)
849 TX_STAT_INC(qnum, fifo_underrun);
850 if (ts->ts_status & ATH9K_TXERR_XTXOP)
851 TX_STAT_INC(qnum, xtxop);
852 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
853 TX_STAT_INC(qnum, timer_exp);
854 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
855 TX_STAT_INC(qnum, desc_cfg_err);
856 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
857 TX_STAT_INC(qnum, data_underrun);
858 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
859 TX_STAT_INC(qnum, delim_underrun);
860}
861
862static const struct file_operations fops_xmit = {
863 .read = read_file_xmit,
864 .open = ath9k_debugfs_open,
865 .owner = THIS_MODULE,
866 .llseek = default_llseek,
867};
868
869static const struct file_operations fops_stations = {
870 .read = read_file_stations,
871 .open = ath9k_debugfs_open,
872 .owner = THIS_MODULE,
873 .llseek = default_llseek,
874};
875
876static const struct file_operations fops_misc = {
877 .read = read_file_misc,
878 .open = ath9k_debugfs_open,
879 .owner = THIS_MODULE,
880 .llseek = default_llseek,
881};
882
883static ssize_t read_file_recv(struct file *file, char __user *user_buf,
884 size_t count, loff_t *ppos)
885{
886#define PHY_ERR(s, p) \
887 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
888 sc->debug.stats.rxstats.phy_err_stats[p]);
889
890 struct ath_softc *sc = file->private_data;
891 char *buf;
892 unsigned int len = 0, size = 1400;
893 ssize_t retval = 0;
894
895 buf = kzalloc(size, GFP_KERNEL);
896 if (buf == NULL)
897 return -ENOMEM;
898
899 len += snprintf(buf + len, size - len,
900 "%18s : %10u\n", "CRC ERR",
901 sc->debug.stats.rxstats.crc_err);
902 len += snprintf(buf + len, size - len,
903 "%18s : %10u\n", "DECRYPT CRC ERR",
904 sc->debug.stats.rxstats.decrypt_crc_err);
905 len += snprintf(buf + len, size - len,
906 "%18s : %10u\n", "PHY ERR",
907 sc->debug.stats.rxstats.phy_err);
908 len += snprintf(buf + len, size - len,
909 "%18s : %10u\n", "MIC ERR",
910 sc->debug.stats.rxstats.mic_err);
911 len += snprintf(buf + len, size - len,
912 "%18s : %10u\n", "PRE-DELIM CRC ERR",
913 sc->debug.stats.rxstats.pre_delim_crc_err);
914 len += snprintf(buf + len, size - len,
915 "%18s : %10u\n", "POST-DELIM CRC ERR",
916 sc->debug.stats.rxstats.post_delim_crc_err);
917 len += snprintf(buf + len, size - len,
918 "%18s : %10u\n", "DECRYPT BUSY ERR",
919 sc->debug.stats.rxstats.decrypt_busy_err);
920
921 len += snprintf(buf + len, size - len,
922 "%18s : %10d\n", "RSSI-CTL0",
923 sc->debug.stats.rxstats.rs_rssi_ctl0);
924
925 len += snprintf(buf + len, size - len,
926 "%18s : %10d\n", "RSSI-CTL1",
927 sc->debug.stats.rxstats.rs_rssi_ctl1);
928
929 len += snprintf(buf + len, size - len,
930 "%18s : %10d\n", "RSSI-CTL2",
931 sc->debug.stats.rxstats.rs_rssi_ctl2);
932
933 len += snprintf(buf + len, size - len,
934 "%18s : %10d\n", "RSSI-EXT0",
935 sc->debug.stats.rxstats.rs_rssi_ext0);
936
937 len += snprintf(buf + len, size - len,
938 "%18s : %10d\n", "RSSI-EXT1",
939 sc->debug.stats.rxstats.rs_rssi_ext1);
940
941 len += snprintf(buf + len, size - len,
942 "%18s : %10d\n", "RSSI-EXT2",
943 sc->debug.stats.rxstats.rs_rssi_ext2);
944
945 len += snprintf(buf + len, size - len,
946 "%18s : %10d\n", "Rx Antenna",
947 sc->debug.stats.rxstats.rs_antenna);
948
949 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
950 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
951 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
952 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
953 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
954 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
955 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
956 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
957 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
958 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
959 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
960 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
961 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
962 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
963 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
964 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
965 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
966 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
967 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
968 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
969 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
970 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
971 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
972 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
973 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
974 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
975
976 len += snprintf(buf + len, size - len,
977 "%18s : %10u\n", "RX-Pkts-All",
978 sc->debug.stats.rxstats.rx_pkts_all);
979 len += snprintf(buf + len, size - len,
980 "%18s : %10u\n", "RX-Bytes-All",
981 sc->debug.stats.rxstats.rx_bytes_all);
982
983 if (len > size)
984 len = size;
985
986 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
987 kfree(buf);
988
989 return retval;
990
991#undef PHY_ERR
992}
993
994void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
995{
996#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
997#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
998
999 u32 phyerr;
1000
1001 RX_STAT_INC(rx_pkts_all);
1002 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1003
1004 if (rs->rs_status & ATH9K_RXERR_CRC)
1005 RX_STAT_INC(crc_err);
1006 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1007 RX_STAT_INC(decrypt_crc_err);
1008 if (rs->rs_status & ATH9K_RXERR_MIC)
1009 RX_STAT_INC(mic_err);
1010 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1011 RX_STAT_INC(pre_delim_crc_err);
1012 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1013 RX_STAT_INC(post_delim_crc_err);
1014 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1015 RX_STAT_INC(decrypt_busy_err);
1016
1017 if (rs->rs_status & ATH9K_RXERR_PHY) {
1018 RX_STAT_INC(phy_err);
1019 phyerr = rs->rs_phyerr & 0x24;
1020 RX_PHY_ERR_INC(phyerr);
1021 }
1022
1023 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1024 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1025 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1026
1027 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1028 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1029 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1030
1031 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1032
1033#undef RX_STAT_INC
1034#undef RX_PHY_ERR_INC
1035}
1036
1037static const struct file_operations fops_recv = {
1038 .read = read_file_recv,
1039 .open = ath9k_debugfs_open,
1040 .owner = THIS_MODULE,
1041 .llseek = default_llseek,
1042};
1043
1044static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1045 size_t count, loff_t *ppos)
1046{
1047 struct ath_softc *sc = file->private_data;
1048 char buf[32];
1049 unsigned int len;
1050
1051 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1052 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1053}
1054
1055static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1056 size_t count, loff_t *ppos)
1057{
1058 struct ath_softc *sc = file->private_data;
1059 unsigned long regidx;
1060 char buf[32];
1061 ssize_t len;
1062
1063 len = min(count, sizeof(buf) - 1);
1064 if (copy_from_user(buf, user_buf, len))
1065 return -EFAULT;
1066
1067 buf[len] = '\0';
1068 if (strict_strtoul(buf, 0, ®idx))
1069 return -EINVAL;
1070
1071 sc->debug.regidx = regidx;
1072 return count;
1073}
1074
1075static const struct file_operations fops_regidx = {
1076 .read = read_file_regidx,
1077 .write = write_file_regidx,
1078 .open = ath9k_debugfs_open,
1079 .owner = THIS_MODULE,
1080 .llseek = default_llseek,
1081};
1082
1083static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1084 size_t count, loff_t *ppos)
1085{
1086 struct ath_softc *sc = file->private_data;
1087 struct ath_hw *ah = sc->sc_ah;
1088 char buf[32];
1089 unsigned int len;
1090 u32 regval;
1091
1092 ath9k_ps_wakeup(sc);
1093 regval = REG_READ_D(ah, sc->debug.regidx);
1094 ath9k_ps_restore(sc);
1095 len = sprintf(buf, "0x%08x\n", regval);
1096 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1097}
1098
1099static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1100 size_t count, loff_t *ppos)
1101{
1102 struct ath_softc *sc = file->private_data;
1103 struct ath_hw *ah = sc->sc_ah;
1104 unsigned long regval;
1105 char buf[32];
1106 ssize_t len;
1107
1108 len = min(count, sizeof(buf) - 1);
1109 if (copy_from_user(buf, user_buf, len))
1110 return -EFAULT;
1111
1112 buf[len] = '\0';
1113 if (strict_strtoul(buf, 0, ®val))
1114 return -EINVAL;
1115
1116 ath9k_ps_wakeup(sc);
1117 REG_WRITE_D(ah, sc->debug.regidx, regval);
1118 ath9k_ps_restore(sc);
1119 return count;
1120}
1121
1122static const struct file_operations fops_regval = {
1123 .read = read_file_regval,
1124 .write = write_file_regval,
1125 .open = ath9k_debugfs_open,
1126 .owner = THIS_MODULE,
1127 .llseek = default_llseek,
1128};
1129
1130#define REGDUMP_LINE_SIZE 20
1131
1132static int open_file_regdump(struct inode *inode, struct file *file)
1133{
1134 struct ath_softc *sc = inode->i_private;
1135 unsigned int len = 0;
1136 u8 *buf;
1137 int i;
1138 unsigned long num_regs, regdump_len, max_reg_offset;
1139
1140 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1141 num_regs = max_reg_offset / 4 + 1;
1142 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1143 buf = vmalloc(regdump_len);
1144 if (!buf)
1145 return -ENOMEM;
1146
1147 ath9k_ps_wakeup(sc);
1148 for (i = 0; i < num_regs; i++)
1149 len += scnprintf(buf + len, regdump_len - len,
1150 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1151 ath9k_ps_restore(sc);
1152
1153 file->private_data = buf;
1154
1155 return 0;
1156}
1157
1158static const struct file_operations fops_regdump = {
1159 .open = open_file_regdump,
1160 .read = ath9k_debugfs_read_buf,
1161 .release = ath9k_debugfs_release_buf,
1162 .owner = THIS_MODULE,
1163 .llseek = default_llseek,/* read accesses f_pos */
1164};
1165
1166int ath9k_init_debug(struct ath_hw *ah)
1167{
1168 struct ath_common *common = ath9k_hw_common(ah);
1169 struct ath_softc *sc = (struct ath_softc *) common->priv;
1170
1171 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1172 sc->hw->wiphy->debugfsdir);
1173 if (!sc->debug.debugfs_phy)
1174 return -ENOMEM;
1175
1176#ifdef CONFIG_ATH_DEBUG
1177 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1178 sc, &fops_debug);
1179#endif
1180 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1181 &fops_dma);
1182 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1183 &fops_interrupt);
1184 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1185 sc, &fops_wiphy);
1186 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1187 &fops_xmit);
1188 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1189 &fops_stations);
1190 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1191 &fops_misc);
1192 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1193 &fops_recv);
1194 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1195 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1196 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1197 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1198 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1199 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1200 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1201 sc, &fops_regidx);
1202 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1203 sc, &fops_regval);
1204 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1205 sc->debug.debugfs_phy,
1206 &ah->config.cwm_ignore_extcca);
1207 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1208 &fops_regdump);
1209
1210 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1211 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1212
1213 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1214 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1215
1216 sc->debug.regidx = 0;
1217 return 0;
1218}
1/*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <linux/slab.h>
18#include <linux/vmalloc.h>
19#include <linux/export.h>
20#include <asm/unaligned.h>
21
22#include "ath9k.h"
23
24#define REG_WRITE_D(_ah, _reg, _val) \
25 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
26#define REG_READ_D(_ah, _reg) \
27 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
28
29
30static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
31 size_t count, loff_t *ppos)
32{
33 u8 *buf = file->private_data;
34 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
35}
36
37static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
38{
39 vfree(file->private_data);
40 return 0;
41}
42
43#ifdef CONFIG_ATH_DEBUG
44
45static ssize_t read_file_debug(struct file *file, char __user *user_buf,
46 size_t count, loff_t *ppos)
47{
48 struct ath_softc *sc = file->private_data;
49 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
50 char buf[32];
51 unsigned int len;
52
53 len = sprintf(buf, "0x%08x\n", common->debug_mask);
54 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
55}
56
57static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
58 size_t count, loff_t *ppos)
59{
60 struct ath_softc *sc = file->private_data;
61 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
62 unsigned long mask;
63 char buf[32];
64 ssize_t len;
65
66 len = min(count, sizeof(buf) - 1);
67 if (copy_from_user(buf, user_buf, len))
68 return -EFAULT;
69
70 buf[len] = '\0';
71 if (strict_strtoul(buf, 0, &mask))
72 return -EINVAL;
73
74 common->debug_mask = mask;
75 return count;
76}
77
78static const struct file_operations fops_debug = {
79 .read = read_file_debug,
80 .write = write_file_debug,
81 .open = simple_open,
82 .owner = THIS_MODULE,
83 .llseek = default_llseek,
84};
85
86#endif
87
88#define DMA_BUF_LEN 1024
89
90static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
91 size_t count, loff_t *ppos)
92{
93 struct ath_softc *sc = file->private_data;
94 struct ath_hw *ah = sc->sc_ah;
95 char buf[32];
96 unsigned int len;
97
98 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
99 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
100}
101
102static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
103 size_t count, loff_t *ppos)
104{
105 struct ath_softc *sc = file->private_data;
106 struct ath_hw *ah = sc->sc_ah;
107 unsigned long mask;
108 char buf[32];
109 ssize_t len;
110
111 len = min(count, sizeof(buf) - 1);
112 if (copy_from_user(buf, user_buf, len))
113 return -EFAULT;
114
115 buf[len] = '\0';
116 if (strict_strtoul(buf, 0, &mask))
117 return -EINVAL;
118
119 ah->txchainmask = mask;
120 ah->caps.tx_chainmask = mask;
121 return count;
122}
123
124static const struct file_operations fops_tx_chainmask = {
125 .read = read_file_tx_chainmask,
126 .write = write_file_tx_chainmask,
127 .open = simple_open,
128 .owner = THIS_MODULE,
129 .llseek = default_llseek,
130};
131
132
133static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
134 size_t count, loff_t *ppos)
135{
136 struct ath_softc *sc = file->private_data;
137 struct ath_hw *ah = sc->sc_ah;
138 char buf[32];
139 unsigned int len;
140
141 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
142 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
143}
144
145static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
146 size_t count, loff_t *ppos)
147{
148 struct ath_softc *sc = file->private_data;
149 struct ath_hw *ah = sc->sc_ah;
150 unsigned long mask;
151 char buf[32];
152 ssize_t len;
153
154 len = min(count, sizeof(buf) - 1);
155 if (copy_from_user(buf, user_buf, len))
156 return -EFAULT;
157
158 buf[len] = '\0';
159 if (strict_strtoul(buf, 0, &mask))
160 return -EINVAL;
161
162 ah->rxchainmask = mask;
163 ah->caps.rx_chainmask = mask;
164 return count;
165}
166
167static const struct file_operations fops_rx_chainmask = {
168 .read = read_file_rx_chainmask,
169 .write = write_file_rx_chainmask,
170 .open = simple_open,
171 .owner = THIS_MODULE,
172 .llseek = default_llseek,
173};
174
175static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
176 size_t count, loff_t *ppos)
177{
178 struct ath_softc *sc = file->private_data;
179 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
180 char buf[32];
181 unsigned int len;
182
183 len = sprintf(buf, "%d\n", common->disable_ani);
184 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
185}
186
187static ssize_t write_file_disable_ani(struct file *file,
188 const char __user *user_buf,
189 size_t count, loff_t *ppos)
190{
191 struct ath_softc *sc = file->private_data;
192 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
193 unsigned long disable_ani;
194 char buf[32];
195 ssize_t len;
196
197 len = min(count, sizeof(buf) - 1);
198 if (copy_from_user(buf, user_buf, len))
199 return -EFAULT;
200
201 buf[len] = '\0';
202 if (strict_strtoul(buf, 0, &disable_ani))
203 return -EINVAL;
204
205 common->disable_ani = !!disable_ani;
206
207 if (disable_ani) {
208 sc->sc_flags &= ~SC_OP_ANI_RUN;
209 del_timer_sync(&common->ani.timer);
210 } else {
211 sc->sc_flags |= SC_OP_ANI_RUN;
212 ath_start_ani(common);
213 }
214
215 return count;
216}
217
218static const struct file_operations fops_disable_ani = {
219 .read = read_file_disable_ani,
220 .write = write_file_disable_ani,
221 .open = simple_open,
222 .owner = THIS_MODULE,
223 .llseek = default_llseek,
224};
225
226static ssize_t read_file_dma(struct file *file, char __user *user_buf,
227 size_t count, loff_t *ppos)
228{
229 struct ath_softc *sc = file->private_data;
230 struct ath_hw *ah = sc->sc_ah;
231 char *buf;
232 int retval;
233 unsigned int len = 0;
234 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
235 int i, qcuOffset = 0, dcuOffset = 0;
236 u32 *qcuBase = &val[0], *dcuBase = &val[4];
237
238 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
239 if (!buf)
240 return -ENOMEM;
241
242 ath9k_ps_wakeup(sc);
243
244 REG_WRITE_D(ah, AR_MACMISC,
245 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
246 (AR_MACMISC_MISC_OBS_BUS_1 <<
247 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
248
249 len += snprintf(buf + len, DMA_BUF_LEN - len,
250 "Raw DMA Debug values:\n");
251
252 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
253 if (i % 4 == 0)
254 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
255
256 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
257 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
258 i, val[i]);
259 }
260
261 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
262 len += snprintf(buf + len, DMA_BUF_LEN - len,
263 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
264
265 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
266 if (i == 8) {
267 qcuOffset = 0;
268 qcuBase++;
269 }
270
271 if (i == 6) {
272 dcuOffset = 0;
273 dcuBase++;
274 }
275
276 len += snprintf(buf + len, DMA_BUF_LEN - len,
277 "%2d %2x %1x %2x %2x\n",
278 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
279 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
280 val[2] & (0x7 << (i * 3)) >> (i * 3),
281 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
282 }
283
284 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
285
286 len += snprintf(buf + len, DMA_BUF_LEN - len,
287 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
288 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
289 len += snprintf(buf + len, DMA_BUF_LEN - len,
290 "qcu_complete state: %2x dcu_complete state: %2x\n",
291 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
292 len += snprintf(buf + len, DMA_BUF_LEN - len,
293 "dcu_arb state: %2x dcu_fp state: %2x\n",
294 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
295 len += snprintf(buf + len, DMA_BUF_LEN - len,
296 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
297 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
298 len += snprintf(buf + len, DMA_BUF_LEN - len,
299 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
300 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
301 len += snprintf(buf + len, DMA_BUF_LEN - len,
302 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
303 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
304
305 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
306 REG_READ_D(ah, AR_OBS_BUS_1));
307 len += snprintf(buf + len, DMA_BUF_LEN - len,
308 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
309
310 ath9k_ps_restore(sc);
311
312 if (len > DMA_BUF_LEN)
313 len = DMA_BUF_LEN;
314
315 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
316 kfree(buf);
317 return retval;
318}
319
320static const struct file_operations fops_dma = {
321 .read = read_file_dma,
322 .open = simple_open,
323 .owner = THIS_MODULE,
324 .llseek = default_llseek,
325};
326
327
328void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
329{
330 if (status)
331 sc->debug.stats.istats.total++;
332 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
333 if (status & ATH9K_INT_RXLP)
334 sc->debug.stats.istats.rxlp++;
335 if (status & ATH9K_INT_RXHP)
336 sc->debug.stats.istats.rxhp++;
337 if (status & ATH9K_INT_BB_WATCHDOG)
338 sc->debug.stats.istats.bb_watchdog++;
339 } else {
340 if (status & ATH9K_INT_RX)
341 sc->debug.stats.istats.rxok++;
342 }
343 if (status & ATH9K_INT_RXEOL)
344 sc->debug.stats.istats.rxeol++;
345 if (status & ATH9K_INT_RXORN)
346 sc->debug.stats.istats.rxorn++;
347 if (status & ATH9K_INT_TX)
348 sc->debug.stats.istats.txok++;
349 if (status & ATH9K_INT_TXURN)
350 sc->debug.stats.istats.txurn++;
351 if (status & ATH9K_INT_MIB)
352 sc->debug.stats.istats.mib++;
353 if (status & ATH9K_INT_RXPHY)
354 sc->debug.stats.istats.rxphyerr++;
355 if (status & ATH9K_INT_RXKCM)
356 sc->debug.stats.istats.rx_keycache_miss++;
357 if (status & ATH9K_INT_SWBA)
358 sc->debug.stats.istats.swba++;
359 if (status & ATH9K_INT_BMISS)
360 sc->debug.stats.istats.bmiss++;
361 if (status & ATH9K_INT_BNR)
362 sc->debug.stats.istats.bnr++;
363 if (status & ATH9K_INT_CST)
364 sc->debug.stats.istats.cst++;
365 if (status & ATH9K_INT_GTT)
366 sc->debug.stats.istats.gtt++;
367 if (status & ATH9K_INT_TIM)
368 sc->debug.stats.istats.tim++;
369 if (status & ATH9K_INT_CABEND)
370 sc->debug.stats.istats.cabend++;
371 if (status & ATH9K_INT_DTIMSYNC)
372 sc->debug.stats.istats.dtimsync++;
373 if (status & ATH9K_INT_DTIM)
374 sc->debug.stats.istats.dtim++;
375 if (status & ATH9K_INT_TSFOOR)
376 sc->debug.stats.istats.tsfoor++;
377}
378
379static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
380 size_t count, loff_t *ppos)
381{
382 struct ath_softc *sc = file->private_data;
383 unsigned int len = 0;
384 int rv;
385 int mxlen = 4000;
386 char *buf = kmalloc(mxlen, GFP_KERNEL);
387 if (!buf)
388 return -ENOMEM;
389
390#define PR_IS(a, s) \
391 do { \
392 len += snprintf(buf + len, mxlen - len, \
393 "%21s: %10u\n", a, \
394 sc->debug.stats.istats.s); \
395 } while (0)
396
397 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
398 PR_IS("RXLP", rxlp);
399 PR_IS("RXHP", rxhp);
400 PR_IS("WATHDOG", bb_watchdog);
401 } else {
402 PR_IS("RX", rxok);
403 }
404 PR_IS("RXEOL", rxeol);
405 PR_IS("RXORN", rxorn);
406 PR_IS("TX", txok);
407 PR_IS("TXURN", txurn);
408 PR_IS("MIB", mib);
409 PR_IS("RXPHY", rxphyerr);
410 PR_IS("RXKCM", rx_keycache_miss);
411 PR_IS("SWBA", swba);
412 PR_IS("BMISS", bmiss);
413 PR_IS("BNR", bnr);
414 PR_IS("CST", cst);
415 PR_IS("GTT", gtt);
416 PR_IS("TIM", tim);
417 PR_IS("CABEND", cabend);
418 PR_IS("DTIMSYNC", dtimsync);
419 PR_IS("DTIM", dtim);
420 PR_IS("TSFOOR", tsfoor);
421 PR_IS("TOTAL", total);
422
423 len += snprintf(buf + len, mxlen - len,
424 "SYNC_CAUSE stats:\n");
425
426 PR_IS("Sync-All", sync_cause_all);
427 PR_IS("RTC-IRQ", sync_rtc_irq);
428 PR_IS("MAC-IRQ", sync_mac_irq);
429 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
430 PR_IS("APB-Timeout", apb_timeout);
431 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
432 PR_IS("HOST1-Fatal", host1_fatal);
433 PR_IS("HOST1-Perr", host1_perr);
434 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
435 PR_IS("RADM-CPL-EP", radm_cpl_ep);
436 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
437 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
438 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
439 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
440 PR_IS("Local-Bus-Timeout", local_timeout);
441 PR_IS("PM-Access", pm_access);
442 PR_IS("MAC-Awake", mac_awake);
443 PR_IS("MAC-Asleep", mac_asleep);
444 PR_IS("MAC-Sleep-Access", mac_sleep_access);
445
446 if (len > mxlen)
447 len = mxlen;
448
449 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
450 kfree(buf);
451 return rv;
452}
453
454static const struct file_operations fops_interrupt = {
455 .read = read_file_interrupt,
456 .open = simple_open,
457 .owner = THIS_MODULE,
458 .llseek = default_llseek,
459};
460
461#define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
462#define PR(str, elem) \
463 do { \
464 len += snprintf(buf + len, size - len, \
465 "%s%13u%11u%10u%10u\n", str, \
466 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
467 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
468 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
469 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
470 if (len >= size) \
471 goto done; \
472} while(0)
473
474#define PRX(str, elem) \
475do { \
476 len += snprintf(buf + len, size - len, \
477 "%s%13u%11u%10u%10u\n", str, \
478 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
479 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
480 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
481 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
482 if (len >= size) \
483 goto done; \
484} while(0)
485
486#define PRQLE(str, elem) \
487do { \
488 len += snprintf(buf + len, size - len, \
489 "%s%13i%11i%10i%10i\n", str, \
490 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
491 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
492 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
493 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
494 if (len >= size) \
495 goto done; \
496} while (0)
497
498static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
499 size_t count, loff_t *ppos)
500{
501 struct ath_softc *sc = file->private_data;
502 char *buf;
503 unsigned int len = 0, size = 8000;
504 int i;
505 ssize_t retval = 0;
506 char tmp[32];
507
508 buf = kzalloc(size, GFP_KERNEL);
509 if (buf == NULL)
510 return -ENOMEM;
511
512 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
513 " poll-work-seen: %u\n"
514 "%30s %10s%10s%10s\n\n",
515 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
516 sc->tx_complete_poll_work_seen,
517 "BE", "BK", "VI", "VO");
518
519 PR("MPDUs Queued: ", queued);
520 PR("MPDUs Completed: ", completed);
521 PR("MPDUs XRetried: ", xretries);
522 PR("Aggregates: ", a_aggr);
523 PR("AMPDUs Queued HW:", a_queued_hw);
524 PR("AMPDUs Queued SW:", a_queued_sw);
525 PR("AMPDUs Completed:", a_completed);
526 PR("AMPDUs Retried: ", a_retries);
527 PR("AMPDUs XRetried: ", a_xretries);
528 PR("FIFO Underrun: ", fifo_underrun);
529 PR("TXOP Exceeded: ", xtxop);
530 PR("TXTIMER Expiry: ", timer_exp);
531 PR("DESC CFG Error: ", desc_cfg_err);
532 PR("DATA Underrun: ", data_underrun);
533 PR("DELIM Underrun: ", delim_underrun);
534 PR("TX-Pkts-All: ", tx_pkts_all);
535 PR("TX-Bytes-All: ", tx_bytes_all);
536 PR("hw-put-tx-buf: ", puttxbuf);
537 PR("hw-tx-start: ", txstart);
538 PR("hw-tx-proc-desc: ", txprocdesc);
539 PR("TX-Failed: ", txfailed);
540 len += snprintf(buf + len, size - len,
541 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
542 sc->tx.txq_map[WME_AC_BE],
543 sc->tx.txq_map[WME_AC_BK],
544 sc->tx.txq_map[WME_AC_VI],
545 sc->tx.txq_map[WME_AC_VO]);
546 if (len >= size)
547 goto done;
548
549 PRX("axq-qnum: ", axq_qnum);
550 PRX("axq-depth: ", axq_depth);
551 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
552 PRX("axq-stopped ", stopped);
553 PRX("tx-in-progress ", axq_tx_inprogress);
554 PRX("pending-frames ", pending_frames);
555 PRX("txq_headidx: ", txq_headidx);
556 PRX("txq_tailidx: ", txq_headidx);
557
558 PRQLE("axq_q empty: ", axq_q);
559 PRQLE("axq_acq empty: ", axq_acq);
560 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
561 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
562 PRQLE(tmp, txq_fifo[i]);
563 }
564
565 /* Print out more detailed queue-info */
566 for (i = 0; i <= WME_AC_BK; i++) {
567 struct ath_txq *txq = &(sc->tx.txq[i]);
568 struct ath_atx_ac *ac;
569 struct ath_atx_tid *tid;
570 if (len >= size)
571 goto done;
572 spin_lock_bh(&txq->axq_lock);
573 if (!list_empty(&txq->axq_acq)) {
574 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
575 list);
576 len += snprintf(buf + len, size - len,
577 "txq[%i] first-ac: %p sched: %i\n",
578 i, ac, ac->sched);
579 if (list_empty(&ac->tid_q) || (len >= size))
580 goto done_for;
581 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
582 list);
583 len += snprintf(buf + len, size - len,
584 " first-tid: %p sched: %i paused: %i\n",
585 tid, tid->sched, tid->paused);
586 }
587 done_for:
588 spin_unlock_bh(&txq->axq_lock);
589 }
590
591done:
592 if (len > size)
593 len = size;
594
595 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
596 kfree(buf);
597
598 return retval;
599}
600
601static ssize_t read_file_stations(struct file *file, char __user *user_buf,
602 size_t count, loff_t *ppos)
603{
604 struct ath_softc *sc = file->private_data;
605 char *buf;
606 unsigned int len = 0, size = 64000;
607 struct ath_node *an = NULL;
608 ssize_t retval = 0;
609 int q;
610
611 buf = kzalloc(size, GFP_KERNEL);
612 if (buf == NULL)
613 return -ENOMEM;
614
615 len += snprintf(buf + len, size - len,
616 "Stations:\n"
617 " tid: addr sched paused buf_q-empty an ac baw\n"
618 " ac: addr sched tid_q-empty txq\n");
619
620 spin_lock(&sc->nodes_lock);
621 list_for_each_entry(an, &sc->nodes, list) {
622 unsigned short ma = an->maxampdu;
623 if (ma == 0)
624 ma = 65535; /* see ath_lookup_rate */
625 len += snprintf(buf + len, size - len,
626 "iface: %pM sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
627 an->vif->addr, an->sta->addr, ma,
628 (unsigned int)(an->mpdudensity));
629 if (len >= size)
630 goto done;
631
632 for (q = 0; q < WME_NUM_TID; q++) {
633 struct ath_atx_tid *tid = &(an->tid[q]);
634 len += snprintf(buf + len, size - len,
635 " tid: %p %s %s %i %p %p %hu\n",
636 tid, tid->sched ? "sched" : "idle",
637 tid->paused ? "paused" : "running",
638 skb_queue_empty(&tid->buf_q),
639 tid->an, tid->ac, tid->baw_size);
640 if (len >= size)
641 goto done;
642 }
643
644 for (q = 0; q < WME_NUM_AC; q++) {
645 struct ath_atx_ac *ac = &(an->ac[q]);
646 len += snprintf(buf + len, size - len,
647 " ac: %p %s %i %p\n",
648 ac, ac->sched ? "sched" : "idle",
649 list_empty(&ac->tid_q), ac->txq);
650 if (len >= size)
651 goto done;
652 }
653 }
654
655done:
656 spin_unlock(&sc->nodes_lock);
657 if (len > size)
658 len = size;
659
660 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
661 kfree(buf);
662
663 return retval;
664}
665
666static ssize_t read_file_misc(struct file *file, char __user *user_buf,
667 size_t count, loff_t *ppos)
668{
669 struct ath_softc *sc = file->private_data;
670 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
671 struct ieee80211_hw *hw = sc->hw;
672 struct ath9k_vif_iter_data iter_data;
673 char buf[512];
674 unsigned int len = 0;
675 ssize_t retval = 0;
676 unsigned int reg;
677 u32 rxfilter;
678
679 len += snprintf(buf + len, sizeof(buf) - len,
680 "BSSID: %pM\n", common->curbssid);
681 len += snprintf(buf + len, sizeof(buf) - len,
682 "BSSID-MASK: %pM\n", common->bssidmask);
683 len += snprintf(buf + len, sizeof(buf) - len,
684 "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
685
686 ath9k_ps_wakeup(sc);
687 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
688 ath9k_ps_restore(sc);
689
690 len += snprintf(buf + len, sizeof(buf) - len,
691 "RXFILTER: 0x%x", rxfilter);
692
693 if (rxfilter & ATH9K_RX_FILTER_UCAST)
694 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
695 if (rxfilter & ATH9K_RX_FILTER_MCAST)
696 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
697 if (rxfilter & ATH9K_RX_FILTER_BCAST)
698 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
699 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
700 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
701 if (rxfilter & ATH9K_RX_FILTER_BEACON)
702 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
703 if (rxfilter & ATH9K_RX_FILTER_PROM)
704 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
705 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
706 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
707 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
708 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
709 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
710 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
711 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
712 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
713 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
714 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
715 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
716 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
717 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
718 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
719 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
720 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
721
722 len += snprintf(buf + len, sizeof(buf) - len, "\n");
723
724 reg = sc->sc_ah->imask;
725
726 len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
727
728 if (reg & ATH9K_INT_SWBA)
729 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
730 if (reg & ATH9K_INT_BMISS)
731 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
732 if (reg & ATH9K_INT_CST)
733 len += snprintf(buf + len, sizeof(buf) - len, " CST");
734 if (reg & ATH9K_INT_RX)
735 len += snprintf(buf + len, sizeof(buf) - len, " RX");
736 if (reg & ATH9K_INT_RXHP)
737 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
738 if (reg & ATH9K_INT_RXLP)
739 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
740 if (reg & ATH9K_INT_BB_WATCHDOG)
741 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
742
743 len += snprintf(buf + len, sizeof(buf) - len, "\n");
744
745 ath9k_calculate_iter_data(hw, NULL, &iter_data);
746
747 len += snprintf(buf + len, sizeof(buf) - len,
748 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
749 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
750 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
751 iter_data.nwds, iter_data.nadhocs,
752 sc->nvifs, sc->nbcnvifs);
753
754 if (len > sizeof(buf))
755 len = sizeof(buf);
756
757 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
758 return retval;
759}
760
761static ssize_t read_file_reset(struct file *file, char __user *user_buf,
762 size_t count, loff_t *ppos)
763{
764 struct ath_softc *sc = file->private_data;
765 char buf[512];
766 unsigned int len = 0;
767
768 len += snprintf(buf + len, sizeof(buf) - len,
769 "%17s: %2d\n", "Baseband Hang",
770 sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
771 len += snprintf(buf + len, sizeof(buf) - len,
772 "%17s: %2d\n", "Baseband Watchdog",
773 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
774 len += snprintf(buf + len, sizeof(buf) - len,
775 "%17s: %2d\n", "Fatal HW Error",
776 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
777 len += snprintf(buf + len, sizeof(buf) - len,
778 "%17s: %2d\n", "TX HW error",
779 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
780 len += snprintf(buf + len, sizeof(buf) - len,
781 "%17s: %2d\n", "TX Path Hang",
782 sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
783 len += snprintf(buf + len, sizeof(buf) - len,
784 "%17s: %2d\n", "PLL RX Hang",
785 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
786
787 if (len > sizeof(buf))
788 len = sizeof(buf);
789
790 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
791}
792
793void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
794 struct ath_tx_status *ts, struct ath_txq *txq,
795 unsigned int flags)
796{
797#define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
798 [sc->debug.tsidx].c)
799 int qnum = txq->axq_qnum;
800
801 TX_STAT_INC(qnum, tx_pkts_all);
802 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
803
804 if (bf_isampdu(bf)) {
805 if (flags & ATH_TX_ERROR)
806 TX_STAT_INC(qnum, a_xretries);
807 else
808 TX_STAT_INC(qnum, a_completed);
809 } else {
810 if (ts->ts_status & ATH9K_TXERR_XRETRY)
811 TX_STAT_INC(qnum, xretries);
812 else
813 TX_STAT_INC(qnum, completed);
814 }
815
816 if (ts->ts_status & ATH9K_TXERR_FIFO)
817 TX_STAT_INC(qnum, fifo_underrun);
818 if (ts->ts_status & ATH9K_TXERR_XTXOP)
819 TX_STAT_INC(qnum, xtxop);
820 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
821 TX_STAT_INC(qnum, timer_exp);
822 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
823 TX_STAT_INC(qnum, desc_cfg_err);
824 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
825 TX_STAT_INC(qnum, data_underrun);
826 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
827 TX_STAT_INC(qnum, delim_underrun);
828
829#ifdef CONFIG_ATH9K_MAC_DEBUG
830 spin_lock(&sc->debug.samp_lock);
831 TX_SAMP_DBG(jiffies) = jiffies;
832 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
833 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
834 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
835 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
836 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
837 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
838 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
839 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
840 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
841 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
842 TX_SAMP_DBG(rssi) = ts->ts_rssi;
843 TX_SAMP_DBG(tid) = ts->tid;
844 TX_SAMP_DBG(qid) = ts->qid;
845
846 if (ts->ts_flags & ATH9K_TX_BA) {
847 TX_SAMP_DBG(ba_low) = ts->ba_low;
848 TX_SAMP_DBG(ba_high) = ts->ba_high;
849 } else {
850 TX_SAMP_DBG(ba_low) = 0;
851 TX_SAMP_DBG(ba_high) = 0;
852 }
853
854 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
855 spin_unlock(&sc->debug.samp_lock);
856#endif
857
858#undef TX_SAMP_DBG
859}
860
861static const struct file_operations fops_xmit = {
862 .read = read_file_xmit,
863 .open = simple_open,
864 .owner = THIS_MODULE,
865 .llseek = default_llseek,
866};
867
868static const struct file_operations fops_stations = {
869 .read = read_file_stations,
870 .open = simple_open,
871 .owner = THIS_MODULE,
872 .llseek = default_llseek,
873};
874
875static const struct file_operations fops_misc = {
876 .read = read_file_misc,
877 .open = simple_open,
878 .owner = THIS_MODULE,
879 .llseek = default_llseek,
880};
881
882static const struct file_operations fops_reset = {
883 .read = read_file_reset,
884 .open = simple_open,
885 .owner = THIS_MODULE,
886 .llseek = default_llseek,
887};
888
889static ssize_t read_file_recv(struct file *file, char __user *user_buf,
890 size_t count, loff_t *ppos)
891{
892#define PHY_ERR(s, p) \
893 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
894 sc->debug.stats.rxstats.phy_err_stats[p]);
895
896#define RXS_ERR(s, e) \
897 do { \
898 len += snprintf(buf + len, size - len, \
899 "%22s : %10u\n", s, \
900 sc->debug.stats.rxstats.e); \
901 } while (0)
902
903 struct ath_softc *sc = file->private_data;
904 char *buf;
905 unsigned int len = 0, size = 1600;
906 ssize_t retval = 0;
907
908 buf = kzalloc(size, GFP_KERNEL);
909 if (buf == NULL)
910 return -ENOMEM;
911
912 RXS_ERR("CRC ERR", crc_err);
913 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
914 RXS_ERR("PHY ERR", phy_err);
915 RXS_ERR("MIC ERR", mic_err);
916 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
917 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
918 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
919 RXS_ERR("RX-LENGTH-ERR", rx_len_err);
920 RXS_ERR("RX-OOM-ERR", rx_oom_err);
921 RXS_ERR("RX-RATE-ERR", rx_rate_err);
922 RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
923 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
924
925 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
926 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
927 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
928 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
929 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
930 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
931 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
932 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
933 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
934 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
935 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
936 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
937 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
938 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
939 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
940 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
941 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
942 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
943 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
944 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
945 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
946 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
947 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
948 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
949 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
950 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
951
952 RXS_ERR("RX-Pkts-All", rx_pkts_all);
953 RXS_ERR("RX-Bytes-All", rx_bytes_all);
954 RXS_ERR("RX-Beacons", rx_beacons);
955 RXS_ERR("RX-Frags", rx_frags);
956
957 if (len > size)
958 len = size;
959
960 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
961 kfree(buf);
962
963 return retval;
964
965#undef RXS_ERR
966#undef PHY_ERR
967}
968
969void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
970{
971#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
972#define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
973 [sc->debug.rsidx].c)
974
975 RX_STAT_INC(rx_pkts_all);
976 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
977
978 if (rs->rs_status & ATH9K_RXERR_CRC)
979 RX_STAT_INC(crc_err);
980 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
981 RX_STAT_INC(decrypt_crc_err);
982 if (rs->rs_status & ATH9K_RXERR_MIC)
983 RX_STAT_INC(mic_err);
984 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
985 RX_STAT_INC(pre_delim_crc_err);
986 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
987 RX_STAT_INC(post_delim_crc_err);
988 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
989 RX_STAT_INC(decrypt_busy_err);
990
991 if (rs->rs_status & ATH9K_RXERR_PHY) {
992 RX_STAT_INC(phy_err);
993 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
994 RX_PHY_ERR_INC(rs->rs_phyerr);
995 }
996
997#ifdef CONFIG_ATH9K_MAC_DEBUG
998 spin_lock(&sc->debug.samp_lock);
999 RX_SAMP_DBG(jiffies) = jiffies;
1000 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1001 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1002 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1003 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1004 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1005 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1006 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1007 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1008 RX_SAMP_DBG(rate) = rs->rs_rate;
1009 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1010
1011 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1012 spin_unlock(&sc->debug.samp_lock);
1013
1014#endif
1015
1016#undef RX_PHY_ERR_INC
1017#undef RX_SAMP_DBG
1018}
1019
1020static const struct file_operations fops_recv = {
1021 .read = read_file_recv,
1022 .open = simple_open,
1023 .owner = THIS_MODULE,
1024 .llseek = default_llseek,
1025};
1026
1027static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1028 size_t count, loff_t *ppos)
1029{
1030 struct ath_softc *sc = file->private_data;
1031 char buf[32];
1032 unsigned int len;
1033
1034 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1035 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1036}
1037
1038static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1039 size_t count, loff_t *ppos)
1040{
1041 struct ath_softc *sc = file->private_data;
1042 unsigned long regidx;
1043 char buf[32];
1044 ssize_t len;
1045
1046 len = min(count, sizeof(buf) - 1);
1047 if (copy_from_user(buf, user_buf, len))
1048 return -EFAULT;
1049
1050 buf[len] = '\0';
1051 if (strict_strtoul(buf, 0, ®idx))
1052 return -EINVAL;
1053
1054 sc->debug.regidx = regidx;
1055 return count;
1056}
1057
1058static const struct file_operations fops_regidx = {
1059 .read = read_file_regidx,
1060 .write = write_file_regidx,
1061 .open = simple_open,
1062 .owner = THIS_MODULE,
1063 .llseek = default_llseek,
1064};
1065
1066static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1067 size_t count, loff_t *ppos)
1068{
1069 struct ath_softc *sc = file->private_data;
1070 struct ath_hw *ah = sc->sc_ah;
1071 char buf[32];
1072 unsigned int len;
1073 u32 regval;
1074
1075 ath9k_ps_wakeup(sc);
1076 regval = REG_READ_D(ah, sc->debug.regidx);
1077 ath9k_ps_restore(sc);
1078 len = sprintf(buf, "0x%08x\n", regval);
1079 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1080}
1081
1082static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1083 size_t count, loff_t *ppos)
1084{
1085 struct ath_softc *sc = file->private_data;
1086 struct ath_hw *ah = sc->sc_ah;
1087 unsigned long regval;
1088 char buf[32];
1089 ssize_t len;
1090
1091 len = min(count, sizeof(buf) - 1);
1092 if (copy_from_user(buf, user_buf, len))
1093 return -EFAULT;
1094
1095 buf[len] = '\0';
1096 if (strict_strtoul(buf, 0, ®val))
1097 return -EINVAL;
1098
1099 ath9k_ps_wakeup(sc);
1100 REG_WRITE_D(ah, sc->debug.regidx, regval);
1101 ath9k_ps_restore(sc);
1102 return count;
1103}
1104
1105static const struct file_operations fops_regval = {
1106 .read = read_file_regval,
1107 .write = write_file_regval,
1108 .open = simple_open,
1109 .owner = THIS_MODULE,
1110 .llseek = default_llseek,
1111};
1112
1113#define REGDUMP_LINE_SIZE 20
1114
1115static int open_file_regdump(struct inode *inode, struct file *file)
1116{
1117 struct ath_softc *sc = inode->i_private;
1118 unsigned int len = 0;
1119 u8 *buf;
1120 int i;
1121 unsigned long num_regs, regdump_len, max_reg_offset;
1122
1123 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1124 num_regs = max_reg_offset / 4 + 1;
1125 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1126 buf = vmalloc(regdump_len);
1127 if (!buf)
1128 return -ENOMEM;
1129
1130 ath9k_ps_wakeup(sc);
1131 for (i = 0; i < num_regs; i++)
1132 len += scnprintf(buf + len, regdump_len - len,
1133 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1134 ath9k_ps_restore(sc);
1135
1136 file->private_data = buf;
1137
1138 return 0;
1139}
1140
1141static const struct file_operations fops_regdump = {
1142 .open = open_file_regdump,
1143 .read = ath9k_debugfs_read_buf,
1144 .release = ath9k_debugfs_release_buf,
1145 .owner = THIS_MODULE,
1146 .llseek = default_llseek,/* read accesses f_pos */
1147};
1148
1149static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1150 size_t count, loff_t *ppos)
1151{
1152 struct ath_softc *sc = file->private_data;
1153 struct ath_hw *ah = sc->sc_ah;
1154 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1155 struct ath_common *common = ath9k_hw_common(ah);
1156 struct ieee80211_conf *conf = &common->hw->conf;
1157 u32 len = 0, size = 1500;
1158 u32 i, j;
1159 ssize_t retval = 0;
1160 char *buf;
1161 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1162 u8 nread;
1163
1164 buf = kzalloc(size, GFP_KERNEL);
1165 if (!buf)
1166 return -ENOMEM;
1167
1168 len += snprintf(buf + len, size - len,
1169 "Channel Noise Floor : %d\n", ah->noise);
1170 len += snprintf(buf + len, size - len,
1171 "Chain | privNF | # Readings | NF Readings\n");
1172 for (i = 0; i < NUM_NF_READINGS; i++) {
1173 if (!(chainmask & (1 << i)) ||
1174 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1175 continue;
1176
1177 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1178 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1179 i, h[i].privNF, nread);
1180 for (j = 0; j < nread; j++)
1181 len += snprintf(buf + len, size - len,
1182 " %d", h[i].nfCalBuffer[j]);
1183 len += snprintf(buf + len, size - len, "\n");
1184 }
1185
1186 if (len > size)
1187 len = size;
1188
1189 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1190 kfree(buf);
1191
1192 return retval;
1193}
1194
1195static const struct file_operations fops_dump_nfcal = {
1196 .read = read_file_dump_nfcal,
1197 .open = simple_open,
1198 .owner = THIS_MODULE,
1199 .llseek = default_llseek,
1200};
1201
1202static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1203 size_t count, loff_t *ppos)
1204{
1205 struct ath_softc *sc = file->private_data;
1206 struct ath_hw *ah = sc->sc_ah;
1207 u32 len = 0, size = 1500;
1208 ssize_t retval = 0;
1209 char *buf;
1210
1211 buf = kzalloc(size, GFP_KERNEL);
1212 if (!buf)
1213 return -ENOMEM;
1214
1215 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1216
1217 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1218 kfree(buf);
1219
1220 return retval;
1221}
1222
1223static const struct file_operations fops_base_eeprom = {
1224 .read = read_file_base_eeprom,
1225 .open = simple_open,
1226 .owner = THIS_MODULE,
1227 .llseek = default_llseek,
1228};
1229
1230static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1231 size_t count, loff_t *ppos)
1232{
1233 struct ath_softc *sc = file->private_data;
1234 struct ath_hw *ah = sc->sc_ah;
1235 u32 len = 0, size = 6000;
1236 char *buf;
1237 size_t retval;
1238
1239 buf = kzalloc(size, GFP_KERNEL);
1240 if (buf == NULL)
1241 return -ENOMEM;
1242
1243 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1244
1245 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1246 kfree(buf);
1247
1248 return retval;
1249}
1250
1251static const struct file_operations fops_modal_eeprom = {
1252 .read = read_file_modal_eeprom,
1253 .open = simple_open,
1254 .owner = THIS_MODULE,
1255 .llseek = default_llseek,
1256};
1257
1258#ifdef CONFIG_ATH9K_MAC_DEBUG
1259
1260void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1261{
1262#define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1263 struct ath_hw *ah = sc->sc_ah;
1264 struct ath_common *common = ath9k_hw_common(ah);
1265 unsigned long flags;
1266 int i;
1267
1268 ath9k_ps_wakeup(sc);
1269
1270 spin_lock_bh(&sc->debug.samp_lock);
1271
1272 spin_lock_irqsave(&common->cc_lock, flags);
1273 ath_hw_cycle_counters_update(common);
1274
1275 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1276 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1277 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1278 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1279 spin_unlock_irqrestore(&common->cc_lock, flags);
1280
1281 ATH_SAMP_DBG(noise) = ah->noise;
1282
1283 REG_WRITE_D(ah, AR_MACMISC,
1284 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1285 (AR_MACMISC_MISC_OBS_BUS_1 <<
1286 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1287
1288 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1289 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1290 AR_DMADBG_0 + (i * sizeof(u32)));
1291
1292 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1293 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1294
1295 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1296 sizeof(ATH_SAMP_DBG(nfCalHist)));
1297
1298 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1299 spin_unlock_bh(&sc->debug.samp_lock);
1300 ath9k_ps_restore(sc);
1301
1302#undef ATH_SAMP_DBG
1303}
1304
1305static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1306{
1307#define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1308 struct ath_softc *sc = inode->i_private;
1309 struct ath_hw *ah = sc->sc_ah;
1310 struct ath_common *common = ath9k_hw_common(ah);
1311 struct ieee80211_conf *conf = &common->hw->conf;
1312 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1313 struct ath9k_nfcal_hist *h;
1314 int i, j, qcuOffset = 0, dcuOffset = 0;
1315 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1316 u32 sampidx = 0;
1317 u8 *buf;
1318 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1319 u8 nread;
1320
1321 if (sc->sc_flags & SC_OP_INVALID)
1322 return -EAGAIN;
1323
1324 buf = vmalloc(size);
1325 if (!buf)
1326 return -ENOMEM;
1327 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1328 if (!bb_mac_samp) {
1329 vfree(buf);
1330 return -ENOMEM;
1331 }
1332 /* Account the current state too */
1333 ath9k_debug_samp_bb_mac(sc);
1334
1335 spin_lock_bh(&sc->debug.samp_lock);
1336 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1337 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1338 len += snprintf(buf + len, size - len,
1339 "Current Sample Index: %d\n", sc->debug.sampidx);
1340 spin_unlock_bh(&sc->debug.samp_lock);
1341
1342 len += snprintf(buf + len, size - len,
1343 "Raw DMA Debug Dump:\n");
1344 len += snprintf(buf + len, size - len, "Sample |\t");
1345 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1346 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1347 len += snprintf(buf + len, size - len, "\n");
1348
1349 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1350 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1351
1352 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1353 len += snprintf(buf + len, size - len, " %08x\t",
1354 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1355 len += snprintf(buf + len, size - len, "\n");
1356 }
1357 len += snprintf(buf + len, size - len, "\n");
1358
1359 len += snprintf(buf + len, size - len,
1360 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1361 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1362 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1363 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1364
1365 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1366 qcuOffset += 4, dcuOffset += 5) {
1367 if (i == 8) {
1368 qcuOffset = 0;
1369 qcuBase++;
1370 }
1371
1372 if (i == 6) {
1373 dcuOffset = 0;
1374 dcuBase++;
1375 }
1376 if (!sc->debug.stats.txstats[i].queued)
1377 continue;
1378
1379 len += snprintf(buf + len, size - len,
1380 "%4d %7d %2x %1x %2x %2x\n",
1381 sampidx, i,
1382 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1383 (*qcuBase & (0x8 << qcuOffset)) >>
1384 (qcuOffset + 3),
1385 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1386 (0x7 << (i * 3)) >> (i * 3),
1387 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1388 }
1389 len += snprintf(buf + len, size - len, "\n");
1390 }
1391 len += snprintf(buf + len, size - len,
1392 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1393 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1394 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1395
1396 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1397 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1398 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1399
1400 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1401 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1402 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1403 len += snprintf(buf + len, size - len, "%7x %8x ",
1404 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1405 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1406 len += snprintf(buf + len, size - len, "%7x %7x ",
1407 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1408 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1409 len += snprintf(buf + len, size - len, "%7d %12d ",
1410 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1411 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1412 len += snprintf(buf + len, size - len, "%12d %12d ",
1413 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1414 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1415 len += snprintf(buf + len, size - len, "%12d %12d ",
1416 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1417 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1418 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1419 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1420 }
1421
1422 len += snprintf(buf + len, size - len,
1423 "Sample ChNoise Chain privNF #Reading Readings\n");
1424 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1425 h = ATH_SAMP_DBG(nfCalHist);
1426 if (!ATH_SAMP_DBG(noise))
1427 continue;
1428
1429 for (i = 0; i < NUM_NF_READINGS; i++) {
1430 if (!(chainmask & (1 << i)) ||
1431 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1432 continue;
1433
1434 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1435 h[i].invalidNFcount;
1436 len += snprintf(buf + len, size - len,
1437 "%4d %5d %4d\t %d\t %d\t",
1438 sampidx, ATH_SAMP_DBG(noise),
1439 i, h[i].privNF, nread);
1440 for (j = 0; j < nread; j++)
1441 len += snprintf(buf + len, size - len,
1442 " %d", h[i].nfCalBuffer[j]);
1443 len += snprintf(buf + len, size - len, "\n");
1444 }
1445 }
1446 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1447 "Sample Total Rxbusy Rxframes Txframes\n");
1448 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1449 if (!ATH_SAMP_DBG(cc.cycles))
1450 continue;
1451 len += snprintf(buf + len, size - len,
1452 "%4d %08x %08x %08x %08x\n",
1453 sampidx, ATH_SAMP_DBG(cc.cycles),
1454 ATH_SAMP_DBG(cc.rx_busy),
1455 ATH_SAMP_DBG(cc.rx_frame),
1456 ATH_SAMP_DBG(cc.tx_frame));
1457 }
1458
1459 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1460 len += snprintf(buf + len, size - len,
1461 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1462 "isok rts_fail data_fail rate tid qid "
1463 "ba_low ba_high tx_before(ms)\n");
1464 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1465 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1466 if (!ATH_SAMP_DBG(ts[i].jiffies))
1467 continue;
1468 len += snprintf(buf + len, size - len, "%-14d"
1469 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1470 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1471 sampidx,
1472 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1473 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1474 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1475 ATH_SAMP_DBG(ts[i].rssi_ext0),
1476 ATH_SAMP_DBG(ts[i].rssi_ext1),
1477 ATH_SAMP_DBG(ts[i].rssi_ext2),
1478 ATH_SAMP_DBG(ts[i].rssi),
1479 ATH_SAMP_DBG(ts[i].isok),
1480 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1481 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1482 ATH_SAMP_DBG(ts[i].rateindex),
1483 ATH_SAMP_DBG(ts[i].tid),
1484 ATH_SAMP_DBG(ts[i].qid),
1485 ATH_SAMP_DBG(ts[i].ba_low),
1486 ATH_SAMP_DBG(ts[i].ba_high),
1487 jiffies_to_msecs(jiffies -
1488 ATH_SAMP_DBG(ts[i].jiffies)));
1489 }
1490 }
1491
1492 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1493 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1494 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1495 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1496 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1497 if (!ATH_SAMP_DBG(rs[i].jiffies))
1498 continue;
1499 len += snprintf(buf + len, size - len, "%-14d"
1500 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1501 sampidx,
1502 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1503 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1504 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1505 ATH_SAMP_DBG(rs[i].rssi_ext0),
1506 ATH_SAMP_DBG(rs[i].rssi_ext1),
1507 ATH_SAMP_DBG(rs[i].rssi_ext2),
1508 ATH_SAMP_DBG(rs[i].rssi),
1509 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1510 "True" : "False",
1511 ATH_SAMP_DBG(rs[i].antenna),
1512 ATH_SAMP_DBG(rs[i].rate),
1513 jiffies_to_msecs(jiffies -
1514 ATH_SAMP_DBG(rs[i].jiffies)));
1515 }
1516 }
1517
1518 vfree(bb_mac_samp);
1519 file->private_data = buf;
1520
1521 return 0;
1522#undef ATH_SAMP_DBG
1523}
1524
1525static const struct file_operations fops_samps = {
1526 .open = open_file_bb_mac_samps,
1527 .read = ath9k_debugfs_read_buf,
1528 .release = ath9k_debugfs_release_buf,
1529 .owner = THIS_MODULE,
1530 .llseek = default_llseek,
1531};
1532
1533#endif
1534
1535int ath9k_init_debug(struct ath_hw *ah)
1536{
1537 struct ath_common *common = ath9k_hw_common(ah);
1538 struct ath_softc *sc = (struct ath_softc *) common->priv;
1539
1540 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1541 sc->hw->wiphy->debugfsdir);
1542 if (!sc->debug.debugfs_phy)
1543 return -ENOMEM;
1544
1545#ifdef CONFIG_ATH_DEBUG
1546 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1547 sc, &fops_debug);
1548#endif
1549
1550 ath9k_dfs_init_debug(sc);
1551
1552 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1553 &fops_dma);
1554 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1555 &fops_interrupt);
1556 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1557 &fops_xmit);
1558 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1559 &fops_stations);
1560 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1561 &fops_misc);
1562 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1563 &fops_reset);
1564 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1565 &fops_recv);
1566 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1567 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1568 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1569 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1570 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1571 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1572 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1573 sc, &fops_regidx);
1574 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1575 sc, &fops_regval);
1576 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1577 sc->debug.debugfs_phy,
1578 &ah->config.cwm_ignore_extcca);
1579 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1580 &fops_regdump);
1581 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1582 &fops_dump_nfcal);
1583 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1584 &fops_base_eeprom);
1585 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1586 &fops_modal_eeprom);
1587#ifdef CONFIG_ATH9K_MAC_DEBUG
1588 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1589 &fops_samps);
1590#endif
1591
1592 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1593 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1594
1595 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1596 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1597
1598 return 0;
1599}