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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
29void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
30{
31 if (sync_cause)
32 sc->debug.stats.istats.sync_cause_all++;
33 if (sync_cause & AR_INTR_SYNC_RTC_IRQ)
34 sc->debug.stats.istats.sync_rtc_irq++;
35 if (sync_cause & AR_INTR_SYNC_MAC_IRQ)
36 sc->debug.stats.istats.sync_mac_irq++;
37 if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS)
38 sc->debug.stats.istats.eeprom_illegal_access++;
39 if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT)
40 sc->debug.stats.istats.apb_timeout++;
41 if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT)
42 sc->debug.stats.istats.pci_mode_conflict++;
43 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL)
44 sc->debug.stats.istats.host1_fatal++;
45 if (sync_cause & AR_INTR_SYNC_HOST1_PERR)
46 sc->debug.stats.istats.host1_perr++;
47 if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR)
48 sc->debug.stats.istats.trcv_fifo_perr++;
49 if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP)
50 sc->debug.stats.istats.radm_cpl_ep++;
51 if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT)
52 sc->debug.stats.istats.radm_cpl_dllp_abort++;
53 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT)
54 sc->debug.stats.istats.radm_cpl_tlp_abort++;
55 if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR)
56 sc->debug.stats.istats.radm_cpl_ecrc_err++;
57 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT)
58 sc->debug.stats.istats.radm_cpl_timeout++;
59 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)
60 sc->debug.stats.istats.local_timeout++;
61 if (sync_cause & AR_INTR_SYNC_PM_ACCESS)
62 sc->debug.stats.istats.pm_access++;
63 if (sync_cause & AR_INTR_SYNC_MAC_AWAKE)
64 sc->debug.stats.istats.mac_awake++;
65 if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP)
66 sc->debug.stats.istats.mac_asleep++;
67 if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS)
68 sc->debug.stats.istats.mac_sleep_access++;
69}
70
71static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
72 size_t count, loff_t *ppos)
73{
74 u8 *buf = file->private_data;
75 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
76}
77
78static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
79{
80 vfree(file->private_data);
81 return 0;
82}
83
84#ifdef CONFIG_ATH_DEBUG
85
86static ssize_t read_file_debug(struct file *file, char __user *user_buf,
87 size_t count, loff_t *ppos)
88{
89 struct ath_softc *sc = file->private_data;
90 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
91 char buf[32];
92 unsigned int len;
93
94 len = sprintf(buf, "0x%08x\n", common->debug_mask);
95 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
96}
97
98static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
99 size_t count, loff_t *ppos)
100{
101 struct ath_softc *sc = file->private_data;
102 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
103 unsigned long mask;
104 ssize_t ret;
105
106 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
107 if (ret)
108 return ret;
109
110 common->debug_mask = mask;
111 return count;
112}
113
114static const struct file_operations fops_debug = {
115 .read = read_file_debug,
116 .write = write_file_debug,
117 .open = simple_open,
118 .owner = THIS_MODULE,
119 .llseek = default_llseek,
120};
121
122#endif
123
124#define DMA_BUF_LEN 1024
125
126
127static ssize_t read_file_ani(struct file *file, char __user *user_buf,
128 size_t count, loff_t *ppos)
129{
130 struct ath_softc *sc = file->private_data;
131 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
132 struct ath_hw *ah = sc->sc_ah;
133 unsigned int len = 0;
134 const unsigned int size = 1024;
135 ssize_t retval = 0;
136 char *buf;
137 int i;
138 struct {
139 const char *name;
140 unsigned int val;
141 } ani_info[] = {
142 { "ANI RESET", ah->stats.ast_ani_reset },
143 { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
144 { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
145 { "SPUR UP", ah->stats.ast_ani_spurup },
146 { "SPUR DOWN", ah->stats.ast_ani_spurdown },
147 { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
148 { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
149 { "MRC-CCK ON", ah->stats.ast_ani_ccklow },
150 { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },
151 { "FIR-STEP UP", ah->stats.ast_ani_stepup },
152 { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },
153 { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },
154 { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },
155 { "CCK ERRORS", ah->stats.ast_ani_cckerrs },
156 };
157
158 buf = kzalloc(size, GFP_KERNEL);
159 if (buf == NULL)
160 return -ENOMEM;
161
162 len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",
163 common->disable_ani ? "DISABLED" : "ENABLED");
164
165 if (common->disable_ani)
166 goto exit;
167
168 for (i = 0; i < ARRAY_SIZE(ani_info); i++)
169 len += scnprintf(buf + len, size - len, "%15s: %u\n",
170 ani_info[i].name, ani_info[i].val);
171
172exit:
173 if (len > size)
174 len = size;
175
176 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
177 kfree(buf);
178
179 return retval;
180}
181
182static ssize_t write_file_ani(struct file *file,
183 const char __user *user_buf,
184 size_t count, loff_t *ppos)
185{
186 struct ath_softc *sc = file->private_data;
187 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
188 unsigned long ani;
189 ssize_t ret;
190
191 ret = kstrtoul_from_user(user_buf, count, 0, &ani);
192 if (ret)
193 return ret;
194
195 if (ani > 1)
196 return -EINVAL;
197
198 common->disable_ani = !ani;
199
200 if (common->disable_ani) {
201 clear_bit(ATH_OP_ANI_RUN, &common->op_flags);
202 ath_stop_ani(sc);
203 } else {
204 ath_check_ani(sc);
205 }
206
207 return count;
208}
209
210static const struct file_operations fops_ani = {
211 .read = read_file_ani,
212 .write = write_file_ani,
213 .open = simple_open,
214 .owner = THIS_MODULE,
215 .llseek = default_llseek,
216};
217
218#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
219
220static ssize_t read_file_bt_ant_diversity(struct file *file,
221 char __user *user_buf,
222 size_t count, loff_t *ppos)
223{
224 struct ath_softc *sc = file->private_data;
225 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
226 char buf[32];
227 unsigned int len;
228
229 len = sprintf(buf, "%d\n", common->bt_ant_diversity);
230 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
231}
232
233static ssize_t write_file_bt_ant_diversity(struct file *file,
234 const char __user *user_buf,
235 size_t count, loff_t *ppos)
236{
237 struct ath_softc *sc = file->private_data;
238 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
239 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
240 unsigned long bt_ant_diversity;
241 ssize_t ret;
242
243 ret = kstrtoul_from_user(user_buf, count, 0, &bt_ant_diversity);
244 if (ret)
245 return ret;
246
247 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
248 goto exit;
249
250 common->bt_ant_diversity = !!bt_ant_diversity;
251 ath9k_ps_wakeup(sc);
252 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
253 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
254 common->bt_ant_diversity);
255 ath9k_ps_restore(sc);
256exit:
257 return count;
258}
259
260static const struct file_operations fops_bt_ant_diversity = {
261 .read = read_file_bt_ant_diversity,
262 .write = write_file_bt_ant_diversity,
263 .open = simple_open,
264 .owner = THIS_MODULE,
265 .llseek = default_llseek,
266};
267
268#endif
269
270void ath9k_debug_stat_ant(struct ath_softc *sc,
271 struct ath_hw_antcomb_conf *div_ant_conf,
272 int main_rssi_avg, int alt_rssi_avg)
273{
274 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
275 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
276
277 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
278 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
279
280 as_main->rssi_avg = main_rssi_avg;
281 as_alt->rssi_avg = alt_rssi_avg;
282}
283
284static ssize_t read_file_antenna_diversity(struct file *file,
285 char __user *user_buf,
286 size_t count, loff_t *ppos)
287{
288 struct ath_softc *sc = file->private_data;
289 struct ath_hw *ah = sc->sc_ah;
290 struct ath9k_hw_capabilities *pCap = &ah->caps;
291 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
292 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
293 struct ath_hw_antcomb_conf div_ant_conf;
294 unsigned int len = 0;
295 const unsigned int size = 1024;
296 ssize_t retval = 0;
297 char *buf;
298 static const char *lna_conf_str[4] = {
299 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2"
300 };
301
302 buf = kzalloc(size, GFP_KERNEL);
303 if (buf == NULL)
304 return -ENOMEM;
305
306 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
307 len += scnprintf(buf + len, size - len, "%s\n",
308 "Antenna Diversity Combining is disabled");
309 goto exit;
310 }
311
312 ath9k_ps_wakeup(sc);
313 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
314 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
315 lna_conf_str[div_ant_conf.main_lna_conf]);
316 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",
317 lna_conf_str[div_ant_conf.alt_lna_conf]);
318 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
319 as_main->rssi_avg);
320 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
321 as_alt->rssi_avg);
322 ath9k_ps_restore(sc);
323
324 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
325 len += scnprintf(buf + len, size - len, "-------------------\n");
326
327 len += scnprintf(buf + len, size - len, "%30s%15s\n",
328 "MAIN", "ALT");
329 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
330 "TOTAL COUNT",
331 as_main->recv_cnt,
332 as_alt->recv_cnt);
333 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
334 "LNA1",
335 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
336 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
337 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
338 "LNA2",
339 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
340 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
341 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
342 "LNA1 + LNA2",
343 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
344 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
345 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
346 "LNA1 - LNA2",
347 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
348 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
349
350 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
351 len += scnprintf(buf + len, size - len, "--------------------\n");
352
353 len += scnprintf(buf + len, size - len, "%30s%15s\n",
354 "MAIN", "ALT");
355 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
356 "LNA1",
357 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
358 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
359 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
360 "LNA2",
361 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
362 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
363 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
364 "LNA1 + LNA2",
365 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
366 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
367 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
368 "LNA1 - LNA2",
369 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
370 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
371
372exit:
373 if (len > size)
374 len = size;
375
376 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
377 kfree(buf);
378
379 return retval;
380}
381
382static const struct file_operations fops_antenna_diversity = {
383 .read = read_file_antenna_diversity,
384 .open = simple_open,
385 .owner = THIS_MODULE,
386 .llseek = default_llseek,
387};
388
389static int read_file_dma(struct seq_file *file, void *data)
390{
391 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
392 struct ath_softc *sc = hw->priv;
393 struct ath_hw *ah = sc->sc_ah;
394 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
395 int i, qcuOffset = 0, dcuOffset = 0;
396 u32 *qcuBase = &val[0], *dcuBase = &val[4];
397
398 ath9k_ps_wakeup(sc);
399
400 REG_WRITE_D(ah, AR_MACMISC,
401 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
402 (AR_MACMISC_MISC_OBS_BUS_1 <<
403 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
404
405 seq_puts(file, "Raw DMA Debug values:\n");
406
407 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
408 if (i % 4 == 0)
409 seq_puts(file, "\n");
410
411 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
412 seq_printf(file, "%d: %08x ", i, val[i]);
413 }
414
415 seq_puts(file, "\n\n");
416 seq_puts(file, "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
417
418 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
419 if (i == 8) {
420 qcuOffset = 0;
421 qcuBase++;
422 }
423
424 if (i == 6) {
425 dcuOffset = 0;
426 dcuBase++;
427 }
428
429 seq_printf(file, "%2d %2x %1x %2x %2x\n",
430 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
431 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
432 (val[2] & (0x7 << (i * 3))) >> (i * 3),
433 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
434 }
435
436 seq_puts(file, "\n");
437
438 seq_printf(file, "qcu_stitch state: %2x qcu_fetch state: %2x\n",
439 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
440 seq_printf(file, "qcu_complete state: %2x dcu_complete state: %2x\n",
441 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
442 seq_printf(file, "dcu_arb state: %2x dcu_fp state: %2x\n",
443 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
444 seq_printf(file, "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
445 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
446 seq_printf(file, "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
447 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
448 seq_printf(file, "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
449 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
450
451 seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1));
452 seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
453
454 ath9k_ps_restore(sc);
455
456 return 0;
457}
458
459void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
460{
461 if (status)
462 sc->debug.stats.istats.total++;
463 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
464 if (status & ATH9K_INT_RXLP)
465 sc->debug.stats.istats.rxlp++;
466 if (status & ATH9K_INT_RXHP)
467 sc->debug.stats.istats.rxhp++;
468 if (status & ATH9K_INT_BB_WATCHDOG)
469 sc->debug.stats.istats.bb_watchdog++;
470 } else {
471 if (status & ATH9K_INT_RX)
472 sc->debug.stats.istats.rxok++;
473 }
474 if (status & ATH9K_INT_RXEOL)
475 sc->debug.stats.istats.rxeol++;
476 if (status & ATH9K_INT_RXORN)
477 sc->debug.stats.istats.rxorn++;
478 if (status & ATH9K_INT_TX)
479 sc->debug.stats.istats.txok++;
480 if (status & ATH9K_INT_TXURN)
481 sc->debug.stats.istats.txurn++;
482 if (status & ATH9K_INT_RXPHY)
483 sc->debug.stats.istats.rxphyerr++;
484 if (status & ATH9K_INT_RXKCM)
485 sc->debug.stats.istats.rx_keycache_miss++;
486 if (status & ATH9K_INT_SWBA)
487 sc->debug.stats.istats.swba++;
488 if (status & ATH9K_INT_BMISS)
489 sc->debug.stats.istats.bmiss++;
490 if (status & ATH9K_INT_BNR)
491 sc->debug.stats.istats.bnr++;
492 if (status & ATH9K_INT_CST)
493 sc->debug.stats.istats.cst++;
494 if (status & ATH9K_INT_GTT)
495 sc->debug.stats.istats.gtt++;
496 if (status & ATH9K_INT_TIM)
497 sc->debug.stats.istats.tim++;
498 if (status & ATH9K_INT_CABEND)
499 sc->debug.stats.istats.cabend++;
500 if (status & ATH9K_INT_DTIMSYNC)
501 sc->debug.stats.istats.dtimsync++;
502 if (status & ATH9K_INT_DTIM)
503 sc->debug.stats.istats.dtim++;
504 if (status & ATH9K_INT_TSFOOR)
505 sc->debug.stats.istats.tsfoor++;
506 if (status & ATH9K_INT_MCI)
507 sc->debug.stats.istats.mci++;
508 if (status & ATH9K_INT_GENTIMER)
509 sc->debug.stats.istats.gen_timer++;
510}
511
512static int read_file_interrupt(struct seq_file *file, void *data)
513{
514 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
515 struct ath_softc *sc = hw->priv;
516
517#define PR_IS(a, s) \
518 do { \
519 seq_printf(file, "%21s: %10u\n", a, \
520 sc->debug.stats.istats.s); \
521 } while (0)
522
523 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
524 PR_IS("RXLP", rxlp);
525 PR_IS("RXHP", rxhp);
526 PR_IS("WATCHDOG", bb_watchdog);
527 } else {
528 PR_IS("RX", rxok);
529 }
530 PR_IS("RXEOL", rxeol);
531 PR_IS("RXORN", rxorn);
532 PR_IS("TX", txok);
533 PR_IS("TXURN", txurn);
534 PR_IS("MIB", mib);
535 PR_IS("RXPHY", rxphyerr);
536 PR_IS("RXKCM", rx_keycache_miss);
537 PR_IS("SWBA", swba);
538 PR_IS("BMISS", bmiss);
539 PR_IS("BNR", bnr);
540 PR_IS("CST", cst);
541 PR_IS("GTT", gtt);
542 PR_IS("TIM", tim);
543 PR_IS("CABEND", cabend);
544 PR_IS("DTIMSYNC", dtimsync);
545 PR_IS("DTIM", dtim);
546 PR_IS("TSFOOR", tsfoor);
547 PR_IS("MCI", mci);
548 PR_IS("GENTIMER", gen_timer);
549 PR_IS("TOTAL", total);
550
551 seq_puts(file, "SYNC_CAUSE stats:\n");
552
553 PR_IS("Sync-All", sync_cause_all);
554 PR_IS("RTC-IRQ", sync_rtc_irq);
555 PR_IS("MAC-IRQ", sync_mac_irq);
556 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
557 PR_IS("APB-Timeout", apb_timeout);
558 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
559 PR_IS("HOST1-Fatal", host1_fatal);
560 PR_IS("HOST1-Perr", host1_perr);
561 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
562 PR_IS("RADM-CPL-EP", radm_cpl_ep);
563 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
564 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
565 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
566 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
567 PR_IS("Local-Bus-Timeout", local_timeout);
568 PR_IS("PM-Access", pm_access);
569 PR_IS("MAC-Awake", mac_awake);
570 PR_IS("MAC-Asleep", mac_asleep);
571 PR_IS("MAC-Sleep-Access", mac_sleep_access);
572
573 return 0;
574}
575
576static int read_file_xmit(struct seq_file *file, void *data)
577{
578 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
579 struct ath_softc *sc = hw->priv;
580
581 seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
582
583 PR("MPDUs Queued: ", queued);
584 PR("MPDUs Completed: ", completed);
585 PR("MPDUs XRetried: ", xretries);
586 PR("Aggregates: ", a_aggr);
587 PR("AMPDUs Queued HW:", a_queued_hw);
588 PR("AMPDUs Completed:", a_completed);
589 PR("AMPDUs Retried: ", a_retries);
590 PR("AMPDUs XRetried: ", a_xretries);
591 PR("TXERR Filtered: ", txerr_filtered);
592 PR("FIFO Underrun: ", fifo_underrun);
593 PR("TXOP Exceeded: ", xtxop);
594 PR("TXTIMER Expiry: ", timer_exp);
595 PR("DESC CFG Error: ", desc_cfg_err);
596 PR("DATA Underrun: ", data_underrun);
597 PR("DELIM Underrun: ", delim_underrun);
598 PR("TX-Pkts-All: ", tx_pkts_all);
599 PR("TX-Bytes-All: ", tx_bytes_all);
600 PR("HW-put-tx-buf: ", puttxbuf);
601 PR("HW-tx-start: ", txstart);
602 PR("HW-tx-proc-desc: ", txprocdesc);
603 PR("TX-Failed: ", txfailed);
604
605 return 0;
606}
607
608static void print_queue(struct ath_softc *sc, struct ath_txq *txq,
609 struct seq_file *file)
610{
611 ath_txq_lock(sc, txq);
612
613 seq_printf(file, "%s: %d ", "qnum", txq->axq_qnum);
614 seq_printf(file, "%s: %2d ", "qdepth", txq->axq_depth);
615 seq_printf(file, "%s: %2d ", "ampdu-depth", txq->axq_ampdu_depth);
616 seq_printf(file, "%s: %3d\n", "pending", txq->pending_frames);
617
618 ath_txq_unlock(sc, txq);
619}
620
621static int read_file_queues(struct seq_file *file, void *data)
622{
623 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
624 struct ath_softc *sc = hw->priv;
625 struct ath_txq *txq;
626 int i;
627 static const char *qname[4] = {
628 "VO", "VI", "BE", "BK"
629 };
630
631 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
632 txq = sc->tx.txq_map[i];
633 seq_printf(file, "(%s): ", qname[i]);
634 print_queue(sc, txq, file);
635 }
636
637 seq_puts(file, "(CAB): ");
638 print_queue(sc, sc->beacon.cabq, file);
639
640 return 0;
641}
642
643static int read_file_misc(struct seq_file *file, void *data)
644{
645 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
646 struct ath_softc *sc = hw->priv;
647 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
648 struct ath9k_vif_iter_data iter_data;
649 struct ath_chanctx *ctx;
650 unsigned int reg;
651 u32 rxfilter, i;
652
653 seq_printf(file, "BSSID: %pM\n", common->curbssid);
654 seq_printf(file, "BSSID-MASK: %pM\n", common->bssidmask);
655 seq_printf(file, "OPMODE: %s\n",
656 ath_opmode_to_string(sc->sc_ah->opmode));
657
658 ath9k_ps_wakeup(sc);
659 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
660 ath9k_ps_restore(sc);
661
662 seq_printf(file, "RXFILTER: 0x%x", rxfilter);
663
664 if (rxfilter & ATH9K_RX_FILTER_UCAST)
665 seq_puts(file, " UCAST");
666 if (rxfilter & ATH9K_RX_FILTER_MCAST)
667 seq_puts(file, " MCAST");
668 if (rxfilter & ATH9K_RX_FILTER_BCAST)
669 seq_puts(file, " BCAST");
670 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
671 seq_puts(file, " CONTROL");
672 if (rxfilter & ATH9K_RX_FILTER_BEACON)
673 seq_puts(file, " BEACON");
674 if (rxfilter & ATH9K_RX_FILTER_PROM)
675 seq_puts(file, " PROM");
676 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
677 seq_puts(file, " PROBEREQ");
678 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
679 seq_puts(file, " PHYERR");
680 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
681 seq_puts(file, " MYBEACON");
682 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
683 seq_puts(file, " COMP_BAR");
684 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
685 seq_puts(file, " PSPOLL");
686 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
687 seq_puts(file, " PHYRADAR");
688 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
689 seq_puts(file, " MCAST_BCAST_ALL");
690 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
691 seq_puts(file, " CONTROL_WRAPPER");
692
693 seq_puts(file, "\n");
694
695 reg = sc->sc_ah->imask;
696
697 seq_printf(file, "INTERRUPT-MASK: 0x%x", reg);
698
699 if (reg & ATH9K_INT_SWBA)
700 seq_puts(file, " SWBA");
701 if (reg & ATH9K_INT_BMISS)
702 seq_puts(file, " BMISS");
703 if (reg & ATH9K_INT_CST)
704 seq_puts(file, " CST");
705 if (reg & ATH9K_INT_RX)
706 seq_puts(file, " RX");
707 if (reg & ATH9K_INT_RXHP)
708 seq_puts(file, " RXHP");
709 if (reg & ATH9K_INT_RXLP)
710 seq_puts(file, " RXLP");
711 if (reg & ATH9K_INT_BB_WATCHDOG)
712 seq_puts(file, " BB_WATCHDOG");
713
714 seq_puts(file, "\n");
715
716 i = 0;
717 ath_for_each_chanctx(sc, ctx) {
718 if (list_empty(&ctx->vifs))
719 continue;
720 ath9k_calculate_iter_data(sc, ctx, &iter_data);
721
722 seq_printf(file,
723 "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i",
724 i++, (int)(ctx->assigned), iter_data.naps,
725 iter_data.nstations,
726 iter_data.nmeshes);
727 seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n",
728 iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs,
729 sc->nbcnvifs);
730 }
731
732 return 0;
733}
734
735static int read_file_reset(struct seq_file *file, void *data)
736{
737 struct ath_softc *sc = file->private;
738 static const char * const reset_cause[__RESET_TYPE_MAX] = {
739 [RESET_TYPE_USER] = "User reset",
740 [RESET_TYPE_BB_HANG] = "Baseband Hang",
741 [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog",
742 [RESET_TYPE_FATAL_INT] = "Fatal HW Error",
743 [RESET_TYPE_TX_ERROR] = "TX HW error",
744 [RESET_TYPE_TX_GTT] = "Transmit timeout",
745 [RESET_TYPE_TX_HANG] = "TX Path Hang",
746 [RESET_TYPE_PLL_HANG] = "PLL RX Hang",
747 [RESET_TYPE_MAC_HANG] = "MAC Hang",
748 [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon",
749 [RESET_TYPE_MCI] = "MCI Reset",
750 [RESET_TYPE_CALIBRATION] = "Calibration error",
751 [RESET_TX_DMA_ERROR] = "Tx DMA stop error",
752 [RESET_RX_DMA_ERROR] = "Rx DMA stop error",
753 };
754 int i;
755
756 for (i = 0; i < ARRAY_SIZE(reset_cause); i++) {
757 if (!reset_cause[i])
758 continue;
759
760 seq_printf(file, "%17s: %2d\n", reset_cause[i],
761 sc->debug.stats.reset[i]);
762 }
763
764 return 0;
765}
766
767static int open_file_reset(struct inode *inode, struct file *f)
768{
769 return single_open(f, read_file_reset, inode->i_private);
770}
771
772static ssize_t write_file_reset(struct file *file,
773 const char __user *user_buf,
774 size_t count, loff_t *ppos)
775{
776 struct ath_softc *sc = file_inode(file)->i_private;
777 struct ath_hw *ah = sc->sc_ah;
778 struct ath_common *common = ath9k_hw_common(ah);
779 unsigned long val;
780 ssize_t ret;
781
782 ret = kstrtoul_from_user(user_buf, count, 0, &val);
783 if (ret)
784 return ret;
785
786 if (val != 1)
787 return -EINVAL;
788
789 /* avoid rearming hw_reset_work on shutdown */
790 mutex_lock(&sc->mutex);
791 if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
792 mutex_unlock(&sc->mutex);
793 return -EBUSY;
794 }
795
796 ath9k_queue_reset(sc, RESET_TYPE_USER);
797 mutex_unlock(&sc->mutex);
798
799 return count;
800}
801
802static const struct file_operations fops_reset = {
803 .read = seq_read,
804 .write = write_file_reset,
805 .open = open_file_reset,
806 .owner = THIS_MODULE,
807 .llseek = seq_lseek,
808 .release = single_release,
809};
810
811void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
812 struct ath_tx_status *ts, struct ath_txq *txq,
813 unsigned int flags)
814{
815 int qnum = txq->axq_qnum;
816
817 TX_STAT_INC(sc, qnum, tx_pkts_all);
818 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
819
820 if (bf_isampdu(bf)) {
821 if (flags & ATH_TX_ERROR)
822 TX_STAT_INC(sc, qnum, a_xretries);
823 else
824 TX_STAT_INC(sc, qnum, a_completed);
825 } else {
826 if (ts->ts_status & ATH9K_TXERR_XRETRY)
827 TX_STAT_INC(sc, qnum, xretries);
828 else
829 TX_STAT_INC(sc, qnum, completed);
830 }
831
832 if (ts->ts_status & ATH9K_TXERR_FILT)
833 TX_STAT_INC(sc, qnum, txerr_filtered);
834 if (ts->ts_status & ATH9K_TXERR_FIFO)
835 TX_STAT_INC(sc, qnum, fifo_underrun);
836 if (ts->ts_status & ATH9K_TXERR_XTXOP)
837 TX_STAT_INC(sc, qnum, xtxop);
838 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
839 TX_STAT_INC(sc, qnum, timer_exp);
840 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
841 TX_STAT_INC(sc, qnum, desc_cfg_err);
842 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
843 TX_STAT_INC(sc, qnum, data_underrun);
844 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
845 TX_STAT_INC(sc, qnum, delim_underrun);
846}
847
848void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
849{
850 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);
851}
852
853static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
854 size_t count, loff_t *ppos)
855{
856 struct ath_softc *sc = file->private_data;
857 char buf[32];
858 unsigned int len;
859
860 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
861 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
862}
863
864static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
865 size_t count, loff_t *ppos)
866{
867 struct ath_softc *sc = file->private_data;
868 unsigned long regidx;
869 ssize_t ret;
870
871 ret = kstrtoul_from_user(user_buf, count, 0, ®idx);
872 if (ret)
873 return ret;
874
875 sc->debug.regidx = regidx;
876 return count;
877}
878
879static const struct file_operations fops_regidx = {
880 .read = read_file_regidx,
881 .write = write_file_regidx,
882 .open = simple_open,
883 .owner = THIS_MODULE,
884 .llseek = default_llseek,
885};
886
887static ssize_t read_file_regval(struct file *file, char __user *user_buf,
888 size_t count, loff_t *ppos)
889{
890 struct ath_softc *sc = file->private_data;
891 struct ath_hw *ah = sc->sc_ah;
892 char buf[32];
893 unsigned int len;
894 u32 regval;
895
896 ath9k_ps_wakeup(sc);
897 regval = REG_READ_D(ah, sc->debug.regidx);
898 ath9k_ps_restore(sc);
899 len = sprintf(buf, "0x%08x\n", regval);
900 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
901}
902
903static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
904 size_t count, loff_t *ppos)
905{
906 struct ath_softc *sc = file->private_data;
907 struct ath_hw *ah = sc->sc_ah;
908 unsigned long regval;
909 ssize_t ret;
910
911 ret = kstrtoul_from_user(user_buf, count, 0, ®val);
912 if (ret)
913 return ret;
914
915 ath9k_ps_wakeup(sc);
916 REG_WRITE_D(ah, sc->debug.regidx, regval);
917 ath9k_ps_restore(sc);
918 return count;
919}
920
921static const struct file_operations fops_regval = {
922 .read = read_file_regval,
923 .write = write_file_regval,
924 .open = simple_open,
925 .owner = THIS_MODULE,
926 .llseek = default_llseek,
927};
928
929#define REGDUMP_LINE_SIZE 20
930
931static int open_file_regdump(struct inode *inode, struct file *file)
932{
933 struct ath_softc *sc = inode->i_private;
934 unsigned int len = 0;
935 u8 *buf;
936 int i, j = 0;
937 unsigned long num_regs, regdump_len, max_reg_offset;
938 static const struct reg_hole {
939 u32 start;
940 u32 end;
941 } reg_hole_list[] = {
942 {0x0200, 0x07fc},
943 {0x0c00, 0x0ffc},
944 {0x2000, 0x3ffc},
945 {0x4100, 0x6ffc},
946 {0x705c, 0x7ffc},
947 {0x0000, 0x0000}
948 };
949
950 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x8800 : 0xb500;
951 num_regs = max_reg_offset / 4 + 1;
952 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
953 buf = vmalloc(regdump_len);
954 if (!buf)
955 return -ENOMEM;
956
957 ath9k_ps_wakeup(sc);
958 for (i = 0; i < num_regs; i++) {
959 if (reg_hole_list[j].start == i << 2) {
960 i = reg_hole_list[j].end >> 2;
961 j++;
962 continue;
963 }
964
965 len += scnprintf(buf + len, regdump_len - len,
966 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
967 }
968 ath9k_ps_restore(sc);
969
970 file->private_data = buf;
971
972 return 0;
973}
974
975static const struct file_operations fops_regdump = {
976 .open = open_file_regdump,
977 .read = ath9k_debugfs_read_buf,
978 .release = ath9k_debugfs_release_buf,
979 .owner = THIS_MODULE,
980 .llseek = default_llseek,/* read accesses f_pos */
981};
982
983static int read_file_dump_nfcal(struct seq_file *file, void *data)
984{
985 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
986 struct ath_softc *sc = hw->priv;
987 struct ath_hw *ah = sc->sc_ah;
988 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist;
989 struct ath_common *common = ath9k_hw_common(ah);
990 struct ieee80211_conf *conf = &common->hw->conf;
991 u32 i, j;
992 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
993 u8 nread;
994
995 seq_printf(file, "Channel Noise Floor : %d\n", ah->noise);
996 seq_puts(file, "Chain | privNF | # Readings | NF Readings\n");
997 for (i = 0; i < NUM_NF_READINGS; i++) {
998 if (!(chainmask & (1 << i)) ||
999 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1000 continue;
1001
1002 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1003 seq_printf(file, " %d\t %d\t %d\t\t", i, h[i].privNF, nread);
1004 for (j = 0; j < nread; j++)
1005 seq_printf(file, " %d", h[i].nfCalBuffer[j]);
1006 seq_puts(file, "\n");
1007 }
1008
1009 return 0;
1010}
1011
1012#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1013static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1014 size_t count, loff_t *ppos)
1015{
1016 struct ath_softc *sc = file->private_data;
1017 u32 len = 0, size = 1500;
1018 char *buf;
1019 size_t retval;
1020
1021 buf = kzalloc(size, GFP_KERNEL);
1022 if (buf == NULL)
1023 return -ENOMEM;
1024
1025 if (!sc->sc_ah->common.btcoex_enabled) {
1026 len = scnprintf(buf, size, "%s\n",
1027 "BTCOEX is disabled");
1028 goto exit;
1029 }
1030
1031 len = ath9k_dump_btcoex(sc, buf, size);
1032exit:
1033 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1034 kfree(buf);
1035
1036 return retval;
1037}
1038
1039static const struct file_operations fops_btcoex = {
1040 .read = read_file_btcoex,
1041 .open = simple_open,
1042 .owner = THIS_MODULE,
1043 .llseek = default_llseek,
1044};
1045#endif
1046
1047#ifdef CONFIG_ATH9K_DYNACK
1048static ssize_t read_file_ackto(struct file *file, char __user *user_buf,
1049 size_t count, loff_t *ppos)
1050{
1051 struct ath_softc *sc = file->private_data;
1052 struct ath_hw *ah = sc->sc_ah;
1053 char buf[32];
1054 unsigned int len;
1055
1056 len = sprintf(buf, "%u %c\n", ah->dynack.ackto,
1057 (ah->dynack.enabled) ? 'A' : 'S');
1058
1059 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1060}
1061
1062static const struct file_operations fops_ackto = {
1063 .read = read_file_ackto,
1064 .open = simple_open,
1065 .owner = THIS_MODULE,
1066 .llseek = default_llseek,
1067};
1068#endif
1069
1070#ifdef CONFIG_ATH9K_WOW
1071
1072static ssize_t read_file_wow(struct file *file, char __user *user_buf,
1073 size_t count, loff_t *ppos)
1074{
1075 struct ath_softc *sc = file->private_data;
1076 unsigned int len = 0, size = 32;
1077 ssize_t retval;
1078 char *buf;
1079
1080 buf = kzalloc(size, GFP_KERNEL);
1081 if (!buf)
1082 return -ENOMEM;
1083
1084 len += scnprintf(buf + len, size - len, "WOW: %s\n",
1085 sc->force_wow ? "ENABLED" : "DISABLED");
1086
1087 if (len > size)
1088 len = size;
1089
1090 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1091 kfree(buf);
1092
1093 return retval;
1094}
1095
1096static ssize_t write_file_wow(struct file *file, const char __user *user_buf,
1097 size_t count, loff_t *ppos)
1098{
1099 struct ath_softc *sc = file->private_data;
1100 unsigned long val;
1101 ssize_t ret;
1102
1103 ret = kstrtoul_from_user(user_buf, count, 0, &val);
1104 if (ret)
1105 return ret;
1106
1107 if (val != 1)
1108 return -EINVAL;
1109
1110 if (!sc->force_wow) {
1111 sc->force_wow = true;
1112 ath9k_init_wow(sc->hw);
1113 }
1114
1115 return count;
1116}
1117
1118static const struct file_operations fops_wow = {
1119 .read = read_file_wow,
1120 .write = write_file_wow,
1121 .open = simple_open,
1122 .owner = THIS_MODULE,
1123 .llseek = default_llseek,
1124};
1125
1126#endif
1127
1128static ssize_t read_file_tpc(struct file *file, char __user *user_buf,
1129 size_t count, loff_t *ppos)
1130{
1131 struct ath_softc *sc = file->private_data;
1132 struct ath_hw *ah = sc->sc_ah;
1133 unsigned int len = 0, size = 32;
1134 ssize_t retval;
1135 char *buf;
1136
1137 buf = kzalloc(size, GFP_KERNEL);
1138 if (!buf)
1139 return -ENOMEM;
1140
1141 len += scnprintf(buf + len, size - len, "%s\n",
1142 ah->tpc_enabled ? "ENABLED" : "DISABLED");
1143
1144 if (len > size)
1145 len = size;
1146
1147 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1148 kfree(buf);
1149
1150 return retval;
1151}
1152
1153static ssize_t write_file_tpc(struct file *file, const char __user *user_buf,
1154 size_t count, loff_t *ppos)
1155{
1156 struct ath_softc *sc = file->private_data;
1157 struct ath_hw *ah = sc->sc_ah;
1158 unsigned long val;
1159 ssize_t ret;
1160 bool tpc_enabled;
1161
1162 ret = kstrtoul_from_user(user_buf, count, 0, &val);
1163 if (ret)
1164 return ret;
1165
1166 if (val > 1)
1167 return -EINVAL;
1168
1169 tpc_enabled = !!val;
1170
1171 if (tpc_enabled != ah->tpc_enabled) {
1172 ah->tpc_enabled = tpc_enabled;
1173
1174 mutex_lock(&sc->mutex);
1175 ath9k_set_txpower(sc, NULL);
1176 mutex_unlock(&sc->mutex);
1177 }
1178
1179 return count;
1180}
1181
1182static const struct file_operations fops_tpc = {
1183 .read = read_file_tpc,
1184 .write = write_file_tpc,
1185 .open = simple_open,
1186 .owner = THIS_MODULE,
1187 .llseek = default_llseek,
1188};
1189
1190static ssize_t read_file_nf_override(struct file *file,
1191 char __user *user_buf,
1192 size_t count, loff_t *ppos)
1193{
1194 struct ath_softc *sc = file->private_data;
1195 struct ath_hw *ah = sc->sc_ah;
1196 char buf[32];
1197 unsigned int len;
1198
1199 if (ah->nf_override == 0)
1200 len = sprintf(buf, "off\n");
1201 else
1202 len = sprintf(buf, "%d\n", ah->nf_override);
1203
1204 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1205}
1206
1207static ssize_t write_file_nf_override(struct file *file,
1208 const char __user *user_buf,
1209 size_t count, loff_t *ppos)
1210{
1211 struct ath_softc *sc = file->private_data;
1212 struct ath_hw *ah = sc->sc_ah;
1213 long val;
1214 char buf[32];
1215 ssize_t len;
1216
1217 len = min(count, sizeof(buf) - 1);
1218 if (copy_from_user(buf, user_buf, len))
1219 return -EFAULT;
1220
1221 buf[len] = '\0';
1222 if (strncmp("off", buf, 3) == 0)
1223 val = 0;
1224 else if (kstrtol(buf, 0, &val))
1225 return -EINVAL;
1226
1227 if (val > 0)
1228 return -EINVAL;
1229
1230 if (val < -120)
1231 return -EINVAL;
1232
1233 ah->nf_override = val;
1234
1235 if (ah->curchan) {
1236 ath9k_ps_wakeup(sc);
1237 ath9k_hw_loadnf(ah, ah->curchan);
1238 ath9k_ps_restore(sc);
1239 }
1240
1241 return count;
1242}
1243
1244static const struct file_operations fops_nf_override = {
1245 .read = read_file_nf_override,
1246 .write = write_file_nf_override,
1247 .open = simple_open,
1248 .owner = THIS_MODULE,
1249 .llseek = default_llseek,
1250};
1251
1252/* Ethtool support for get-stats */
1253
1254#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1255static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1256 "tx_pkts_nic",
1257 "tx_bytes_nic",
1258 "rx_pkts_nic",
1259 "rx_bytes_nic",
1260 AMKSTR(d_tx_pkts),
1261 AMKSTR(d_tx_bytes),
1262 AMKSTR(d_tx_mpdus_queued),
1263 AMKSTR(d_tx_mpdus_completed),
1264 AMKSTR(d_tx_mpdu_xretries),
1265 AMKSTR(d_tx_aggregates),
1266 AMKSTR(d_tx_ampdus_queued_hw),
1267 AMKSTR(d_tx_ampdus_completed),
1268 AMKSTR(d_tx_ampdu_retries),
1269 AMKSTR(d_tx_ampdu_xretries),
1270 AMKSTR(d_tx_fifo_underrun),
1271 AMKSTR(d_tx_op_exceeded),
1272 AMKSTR(d_tx_timer_expiry),
1273 AMKSTR(d_tx_desc_cfg_err),
1274 AMKSTR(d_tx_data_underrun),
1275 AMKSTR(d_tx_delim_underrun),
1276 "d_rx_crc_err",
1277 "d_rx_decrypt_crc_err",
1278 "d_rx_phy_err",
1279 "d_rx_mic_err",
1280 "d_rx_pre_delim_crc_err",
1281 "d_rx_post_delim_crc_err",
1282 "d_rx_decrypt_busy_err",
1283
1284 "d_rx_phyerr_radar",
1285 "d_rx_phyerr_ofdm_timing",
1286 "d_rx_phyerr_cck_timing",
1287
1288};
1289#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1290
1291void ath9k_get_et_strings(struct ieee80211_hw *hw,
1292 struct ieee80211_vif *vif,
1293 u32 sset, u8 *data)
1294{
1295 if (sset == ETH_SS_STATS)
1296 memcpy(data, ath9k_gstrings_stats,
1297 sizeof(ath9k_gstrings_stats));
1298}
1299
1300int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1301 struct ieee80211_vif *vif, int sset)
1302{
1303 if (sset == ETH_SS_STATS)
1304 return ATH9K_SSTATS_LEN;
1305 return 0;
1306}
1307
1308#define AWDATA(elem) \
1309 do { \
1310 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1311 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1312 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1313 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1314 } while (0)
1315
1316#define AWDATA_RX(elem) \
1317 do { \
1318 data[i++] = sc->debug.stats.rxstats.elem; \
1319 } while (0)
1320
1321void ath9k_get_et_stats(struct ieee80211_hw *hw,
1322 struct ieee80211_vif *vif,
1323 struct ethtool_stats *stats, u64 *data)
1324{
1325 struct ath_softc *sc = hw->priv;
1326 int i = 0;
1327
1328 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1329 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1330 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1331 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1332 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1333 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1334 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1335 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1336 AWDATA_RX(rx_pkts_all);
1337 AWDATA_RX(rx_bytes_all);
1338
1339 AWDATA(tx_pkts_all);
1340 AWDATA(tx_bytes_all);
1341 AWDATA(queued);
1342 AWDATA(completed);
1343 AWDATA(xretries);
1344 AWDATA(a_aggr);
1345 AWDATA(a_queued_hw);
1346 AWDATA(a_completed);
1347 AWDATA(a_retries);
1348 AWDATA(a_xretries);
1349 AWDATA(fifo_underrun);
1350 AWDATA(xtxop);
1351 AWDATA(timer_exp);
1352 AWDATA(desc_cfg_err);
1353 AWDATA(data_underrun);
1354 AWDATA(delim_underrun);
1355
1356 AWDATA_RX(crc_err);
1357 AWDATA_RX(decrypt_crc_err);
1358 AWDATA_RX(phy_err);
1359 AWDATA_RX(mic_err);
1360 AWDATA_RX(pre_delim_crc_err);
1361 AWDATA_RX(post_delim_crc_err);
1362 AWDATA_RX(decrypt_busy_err);
1363
1364 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1365 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1366 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1367
1368 WARN_ON(i != ATH9K_SSTATS_LEN);
1369}
1370
1371void ath9k_deinit_debug(struct ath_softc *sc)
1372{
1373 ath9k_cmn_spectral_deinit_debug(&sc->spec_priv);
1374}
1375
1376int ath9k_init_debug(struct ath_hw *ah)
1377{
1378 struct ath_common *common = ath9k_hw_common(ah);
1379 struct ath_softc *sc = common->priv;
1380
1381 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1382 sc->hw->wiphy->debugfsdir);
1383 if (IS_ERR(sc->debug.debugfs_phy))
1384 return -ENOMEM;
1385
1386#ifdef CONFIG_ATH_DEBUG
1387 debugfs_create_file("debug", 0600, sc->debug.debugfs_phy,
1388 sc, &fops_debug);
1389#endif
1390
1391 ath9k_dfs_init_debug(sc);
1392 ath9k_tx99_init_debug(sc);
1393 ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy);
1394
1395 debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
1396 read_file_dma);
1397 debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
1398 read_file_interrupt);
1399 debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy,
1400 read_file_xmit);
1401 debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy,
1402 read_file_queues);
1403 debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy,
1404 read_file_misc);
1405 debugfs_create_file("reset", 0600, sc->debug.debugfs_phy,
1406 sc, &fops_reset);
1407
1408 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1409 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1410
1411 debugfs_create_u8("rx_chainmask", 0400, sc->debug.debugfs_phy,
1412 &ah->rxchainmask);
1413 debugfs_create_u8("tx_chainmask", 0400, sc->debug.debugfs_phy,
1414 &ah->txchainmask);
1415 debugfs_create_file("ani", 0600,
1416 sc->debug.debugfs_phy, sc, &fops_ani);
1417 debugfs_create_bool("paprd", 0600, sc->debug.debugfs_phy,
1418 &sc->sc_ah->config.enable_paprd);
1419 debugfs_create_file("regidx", 0600, sc->debug.debugfs_phy,
1420 sc, &fops_regidx);
1421 debugfs_create_file("regval", 0600, sc->debug.debugfs_phy,
1422 sc, &fops_regval);
1423 debugfs_create_bool("ignore_extcca", 0600,
1424 sc->debug.debugfs_phy,
1425 &ah->config.cwm_ignore_extcca);
1426 debugfs_create_file("regdump", 0400, sc->debug.debugfs_phy, sc,
1427 &fops_regdump);
1428 debugfs_create_devm_seqfile(sc->dev, "dump_nfcal",
1429 sc->debug.debugfs_phy,
1430 read_file_dump_nfcal);
1431
1432 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1433 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1434
1435 debugfs_create_u32("gpio_mask", 0600,
1436 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1437 debugfs_create_u32("gpio_val", 0600,
1438 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1439 debugfs_create_file("antenna_diversity", 0400,
1440 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1441#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1442 debugfs_create_file("bt_ant_diversity", 0600,
1443 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1444 debugfs_create_file("btcoex", 0400, sc->debug.debugfs_phy, sc,
1445 &fops_btcoex);
1446#endif
1447
1448#ifdef CONFIG_ATH9K_WOW
1449 debugfs_create_file("wow", 0600, sc->debug.debugfs_phy, sc, &fops_wow);
1450#endif
1451
1452#ifdef CONFIG_ATH9K_DYNACK
1453 debugfs_create_file("ack_to", 0400, sc->debug.debugfs_phy,
1454 sc, &fops_ackto);
1455#endif
1456 debugfs_create_file("tpc", 0600, sc->debug.debugfs_phy, sc, &fops_tpc);
1457
1458 debugfs_create_file("nf_override", 0600,
1459 sc->debug.debugfs_phy, sc, &fops_nf_override);
1460
1461 return 0;
1462}