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Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / drivers / net / wireless / ath / ath9k / debug.c
blob68d972bf232d20fbc431c291853288c4b20e7fd1
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 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
30 {
31 file->private_data = inode->i_private;
32 return 0;
33 }
34
35 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
36 size_t count, loff_t *ppos)
37 {
38 u8 *buf = file->private_data;
39 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
40 }
41
42 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
43 {
44 vfree(file->private_data);
45 return 0;
46 }
47
48 #ifdef CONFIG_ATH_DEBUG
49
50 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
51 size_t count, loff_t *ppos)
52 {
53 struct ath_softc *sc = file->private_data;
54 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
55 char buf[32];
56 unsigned int len;
57
58 len = sprintf(buf, "0x%08x\n", common->debug_mask);
59 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
60 }
61
62 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
63 size_t count, loff_t *ppos)
64 {
65 struct ath_softc *sc = file->private_data;
66 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
67 unsigned long mask;
68 char buf[32];
69 ssize_t len;
70
71 len = min(count, sizeof(buf) - 1);
72 if (copy_from_user(buf, user_buf, len))
73 return -EFAULT;
74
75 buf[len] = '\0';
76 if (strict_strtoul(buf, 0, &mask))
77 return -EINVAL;
78
79 common->debug_mask = mask;
80 return count;
81 }
82
83 static const struct file_operations fops_debug = {
84 .read = read_file_debug,
85 .write = write_file_debug,
86 .open = ath9k_debugfs_open,
87 .owner = THIS_MODULE,
88 .llseek = default_llseek,
89 };
90
91 #endif
92
93 #define DMA_BUF_LEN 1024
94
95 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
96 size_t count, loff_t *ppos)
97 {
98 struct ath_softc *sc = file->private_data;
99 struct ath_hw *ah = sc->sc_ah;
100 char buf[32];
101 unsigned int len;
102
103 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
104 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
105 }
106
107 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
108 size_t count, loff_t *ppos)
109 {
110 struct ath_softc *sc = file->private_data;
111 struct ath_hw *ah = sc->sc_ah;
112 unsigned long mask;
113 char buf[32];
114 ssize_t len;
115
116 len = min(count, sizeof(buf) - 1);
117 if (copy_from_user(buf, user_buf, len))
118 return -EFAULT;
119
120 buf[len] = '\0';
121 if (strict_strtoul(buf, 0, &mask))
122 return -EINVAL;
123
124 ah->txchainmask = mask;
125 ah->caps.tx_chainmask = mask;
126 return count;
127 }
128
129 static const struct file_operations fops_tx_chainmask = {
130 .read = read_file_tx_chainmask,
131 .write = write_file_tx_chainmask,
132 .open = ath9k_debugfs_open,
133 .owner = THIS_MODULE,
134 .llseek = default_llseek,
135 };
136
137
138 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
139 size_t count, loff_t *ppos)
140 {
141 struct ath_softc *sc = file->private_data;
142 struct ath_hw *ah = sc->sc_ah;
143 char buf[32];
144 unsigned int len;
145
146 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
147 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
148 }
149
150 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
151 size_t count, loff_t *ppos)
152 {
153 struct ath_softc *sc = file->private_data;
154 struct ath_hw *ah = sc->sc_ah;
155 unsigned long mask;
156 char buf[32];
157 ssize_t len;
158
159 len = min(count, sizeof(buf) - 1);
160 if (copy_from_user(buf, user_buf, len))
161 return -EFAULT;
162
163 buf[len] = '\0';
164 if (strict_strtoul(buf, 0, &mask))
165 return -EINVAL;
166
167 ah->rxchainmask = mask;
168 ah->caps.rx_chainmask = mask;
169 return count;
170 }
171
172 static const struct file_operations fops_rx_chainmask = {
173 .read = read_file_rx_chainmask,
174 .write = write_file_rx_chainmask,
175 .open = ath9k_debugfs_open,
176 .owner = THIS_MODULE,
177 .llseek = default_llseek,
178 };
179
180 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
181 size_t count, loff_t *ppos)
182 {
183 struct ath_softc *sc = file->private_data;
184 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
185 char buf[32];
186 unsigned int len;
187
188 len = sprintf(buf, "%d\n", common->disable_ani);
189 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
190 }
191
192 static ssize_t write_file_disable_ani(struct file *file,
193 const char __user *user_buf,
194 size_t count, loff_t *ppos)
195 {
196 struct ath_softc *sc = file->private_data;
197 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
198 unsigned long disable_ani;
199 char buf[32];
200 ssize_t len;
201
202 len = min(count, sizeof(buf) - 1);
203 if (copy_from_user(buf, user_buf, len))
204 return -EFAULT;
205
206 buf[len] = '\0';
207 if (strict_strtoul(buf, 0, &disable_ani))
208 return -EINVAL;
209
210 common->disable_ani = !!disable_ani;
211
212 if (disable_ani) {
213 sc->sc_flags &= ~SC_OP_ANI_RUN;
214 del_timer_sync(&common->ani.timer);
215 } else {
216 sc->sc_flags |= SC_OP_ANI_RUN;
217 ath_start_ani(common);
218 }
219
220 return count;
221 }
222
223 static const struct file_operations fops_disable_ani = {
224 .read = read_file_disable_ani,
225 .write = write_file_disable_ani,
226 .open = ath9k_debugfs_open,
227 .owner = THIS_MODULE,
228 .llseek = default_llseek,
229 };
230
231 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
232 size_t count, loff_t *ppos)
233 {
234 struct ath_softc *sc = file->private_data;
235 struct ath_hw *ah = sc->sc_ah;
236 char *buf;
237 int retval;
238 unsigned int len = 0;
239 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
240 int i, qcuOffset = 0, dcuOffset = 0;
241 u32 *qcuBase = &val[0], *dcuBase = &val[4];
242
243 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
244 if (!buf)
245 return -ENOMEM;
246
247 ath9k_ps_wakeup(sc);
248
249 REG_WRITE_D(ah, AR_MACMISC,
250 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
251 (AR_MACMISC_MISC_OBS_BUS_1 <<
252 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
253
254 len += snprintf(buf + len, DMA_BUF_LEN - len,
255 "Raw DMA Debug values:\n");
256
257 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
258 if (i % 4 == 0)
259 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
260
261 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
262 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
263 i, val[i]);
264 }
265
266 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
267 len += snprintf(buf + len, DMA_BUF_LEN - len,
268 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
269
270 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
271 if (i == 8) {
272 qcuOffset = 0;
273 qcuBase++;
274 }
275
276 if (i == 6) {
277 dcuOffset = 0;
278 dcuBase++;
279 }
280
281 len += snprintf(buf + len, DMA_BUF_LEN - len,
282 "%2d %2x %1x %2x %2x\n",
283 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
284 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
285 val[2] & (0x7 << (i * 3)) >> (i * 3),
286 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
287 }
288
289 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
290
291 len += snprintf(buf + len, DMA_BUF_LEN - len,
292 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
293 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
294 len += snprintf(buf + len, DMA_BUF_LEN - len,
295 "qcu_complete state: %2x dcu_complete state: %2x\n",
296 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
297 len += snprintf(buf + len, DMA_BUF_LEN - len,
298 "dcu_arb state: %2x dcu_fp state: %2x\n",
299 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
300 len += snprintf(buf + len, DMA_BUF_LEN - len,
301 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
302 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
303 len += snprintf(buf + len, DMA_BUF_LEN - len,
304 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
305 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
306 len += snprintf(buf + len, DMA_BUF_LEN - len,
307 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
308 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
309
310 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
311 REG_READ_D(ah, AR_OBS_BUS_1));
312 len += snprintf(buf + len, DMA_BUF_LEN - len,
313 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
314
315 ath9k_ps_restore(sc);
316
317 if (len > DMA_BUF_LEN)
318 len = DMA_BUF_LEN;
319
320 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
321 kfree(buf);
322 return retval;
323 }
324
325 static const struct file_operations fops_dma = {
326 .read = read_file_dma,
327 .open = ath9k_debugfs_open,
328 .owner = THIS_MODULE,
329 .llseek = default_llseek,
330 };
331
332
333 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
334 {
335 if (status)
336 sc->debug.stats.istats.total++;
337 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
338 if (status & ATH9K_INT_RXLP)
339 sc->debug.stats.istats.rxlp++;
340 if (status & ATH9K_INT_RXHP)
341 sc->debug.stats.istats.rxhp++;
342 if (status & ATH9K_INT_BB_WATCHDOG)
343 sc->debug.stats.istats.bb_watchdog++;
344 } else {
345 if (status & ATH9K_INT_RX)
346 sc->debug.stats.istats.rxok++;
347 }
348 if (status & ATH9K_INT_RXEOL)
349 sc->debug.stats.istats.rxeol++;
350 if (status & ATH9K_INT_RXORN)
351 sc->debug.stats.istats.rxorn++;
352 if (status & ATH9K_INT_TX)
353 sc->debug.stats.istats.txok++;
354 if (status & ATH9K_INT_TXURN)
355 sc->debug.stats.istats.txurn++;
356 if (status & ATH9K_INT_MIB)
357 sc->debug.stats.istats.mib++;
358 if (status & ATH9K_INT_RXPHY)
359 sc->debug.stats.istats.rxphyerr++;
360 if (status & ATH9K_INT_RXKCM)
361 sc->debug.stats.istats.rx_keycache_miss++;
362 if (status & ATH9K_INT_SWBA)
363 sc->debug.stats.istats.swba++;
364 if (status & ATH9K_INT_BMISS)
365 sc->debug.stats.istats.bmiss++;
366 if (status & ATH9K_INT_BNR)
367 sc->debug.stats.istats.bnr++;
368 if (status & ATH9K_INT_CST)
369 sc->debug.stats.istats.cst++;
370 if (status & ATH9K_INT_GTT)
371 sc->debug.stats.istats.gtt++;
372 if (status & ATH9K_INT_TIM)
373 sc->debug.stats.istats.tim++;
374 if (status & ATH9K_INT_CABEND)
375 sc->debug.stats.istats.cabend++;
376 if (status & ATH9K_INT_DTIMSYNC)
377 sc->debug.stats.istats.dtimsync++;
378 if (status & ATH9K_INT_DTIM)
379 sc->debug.stats.istats.dtim++;
380 if (status & ATH9K_INT_TSFOOR)
381 sc->debug.stats.istats.tsfoor++;
382 }
383
384 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
385 size_t count, loff_t *ppos)
386 {
387 struct ath_softc *sc = file->private_data;
388 char buf[512];
389 unsigned int len = 0;
390
391 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
392 len += snprintf(buf + len, sizeof(buf) - len,
393 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
394 len += snprintf(buf + len, sizeof(buf) - len,
395 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
396 len += snprintf(buf + len, sizeof(buf) - len,
397 "%8s: %10u\n", "WATCHDOG",
398 sc->debug.stats.istats.bb_watchdog);
399 } else {
400 len += snprintf(buf + len, sizeof(buf) - len,
401 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
402 }
403 len += snprintf(buf + len, sizeof(buf) - len,
404 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
405 len += snprintf(buf + len, sizeof(buf) - len,
406 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
407 len += snprintf(buf + len, sizeof(buf) - len,
408 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
409 len += snprintf(buf + len, sizeof(buf) - len,
410 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
411 len += snprintf(buf + len, sizeof(buf) - len,
412 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
413 len += snprintf(buf + len, sizeof(buf) - len,
414 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
415 len += snprintf(buf + len, sizeof(buf) - len,
416 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
417 len += snprintf(buf + len, sizeof(buf) - len,
418 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
419 len += snprintf(buf + len, sizeof(buf) - len,
420 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
421 len += snprintf(buf + len, sizeof(buf) - len,
422 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
423 len += snprintf(buf + len, sizeof(buf) - len,
424 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
425 len += snprintf(buf + len, sizeof(buf) - len,
426 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
427 len += snprintf(buf + len, sizeof(buf) - len,
428 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
429 len += snprintf(buf + len, sizeof(buf) - len,
430 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
431 len += snprintf(buf + len, sizeof(buf) - len,
432 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
433 len += snprintf(buf + len, sizeof(buf) - len,
434 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
435 len += snprintf(buf + len, sizeof(buf) - len,
436 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
437 len += snprintf(buf + len, sizeof(buf) - len,
438 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
439
440
441 if (len > sizeof(buf))
442 len = sizeof(buf);
443
444 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
445 }
446
447 static const struct file_operations fops_interrupt = {
448 .read = read_file_interrupt,
449 .open = ath9k_debugfs_open,
450 .owner = THIS_MODULE,
451 .llseek = default_llseek,
452 };
453
454 static const char *channel_type_str(enum nl80211_channel_type t)
455 {
456 switch (t) {
457 case NL80211_CHAN_NO_HT:
458 return "no ht";
459 case NL80211_CHAN_HT20:
460 return "ht20";
461 case NL80211_CHAN_HT40MINUS:
462 return "ht40-";
463 case NL80211_CHAN_HT40PLUS:
464 return "ht40+";
465 default:
466 return "???";
467 }
468 }
469
470 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
471 size_t count, loff_t *ppos)
472 {
473 struct ath_softc *sc = file->private_data;
474 struct ieee80211_channel *chan = sc->hw->conf.channel;
475 struct ieee80211_conf *conf = &(sc->hw->conf);
476 char buf[512];
477 unsigned int len = 0;
478 u8 addr[ETH_ALEN];
479 u32 tmp;
480
481 len += snprintf(buf + len, sizeof(buf) - len,
482 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n",
483 wiphy_name(sc->hw->wiphy),
484 ieee80211_frequency_to_channel(chan->center_freq),
485 chan->center_freq,
486 conf->channel_type,
487 channel_type_str(conf->channel_type));
488
489 ath9k_ps_wakeup(sc);
490 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
491 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
492 len += snprintf(buf + len, sizeof(buf) - len,
493 "addr: %pM\n", addr);
494 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
495 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
496 len += snprintf(buf + len, sizeof(buf) - len,
497 "addrmask: %pM\n", addr);
498 tmp = ath9k_hw_getrxfilter(sc->sc_ah);
499 ath9k_ps_restore(sc);
500 len += snprintf(buf + len, sizeof(buf) - len,
501 "rfilt: 0x%x", tmp);
502 if (tmp & ATH9K_RX_FILTER_UCAST)
503 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
504 if (tmp & ATH9K_RX_FILTER_MCAST)
505 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
506 if (tmp & ATH9K_RX_FILTER_BCAST)
507 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
508 if (tmp & ATH9K_RX_FILTER_CONTROL)
509 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
510 if (tmp & ATH9K_RX_FILTER_BEACON)
511 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
512 if (tmp & ATH9K_RX_FILTER_PROM)
513 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
514 if (tmp & ATH9K_RX_FILTER_PROBEREQ)
515 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
516 if (tmp & ATH9K_RX_FILTER_PHYERR)
517 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
518 if (tmp & ATH9K_RX_FILTER_MYBEACON)
519 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
520 if (tmp & ATH9K_RX_FILTER_COMP_BAR)
521 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
522 if (tmp & ATH9K_RX_FILTER_PSPOLL)
523 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
524 if (tmp & ATH9K_RX_FILTER_PHYRADAR)
525 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
526 if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
527 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
528
529 len += snprintf(buf + len, sizeof(buf) - len,
530 "\n\nReset causes:\n"
531 " baseband hang: %d\n"
532 " baseband watchdog: %d\n"
533 " fatal hardware error interrupt: %d\n"
534 " tx hardware error: %d\n"
535 " tx path hang: %d\n"
536 " pll rx hang: %d\n",
537 sc->debug.stats.reset[RESET_TYPE_BB_HANG],
538 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG],
539 sc->debug.stats.reset[RESET_TYPE_FATAL_INT],
540 sc->debug.stats.reset[RESET_TYPE_TX_ERROR],
541 sc->debug.stats.reset[RESET_TYPE_TX_HANG],
542 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
543
544 if (len > sizeof(buf))
545 len = sizeof(buf);
546
547 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
548 }
549
550 static const struct file_operations fops_wiphy = {
551 .read = read_file_wiphy,
552 .open = ath9k_debugfs_open,
553 .owner = THIS_MODULE,
554 .llseek = default_llseek,
555 };
556
557 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
558 #define PR(str, elem) \
559 do { \
560 len += snprintf(buf + len, size - len, \
561 "%s%13u%11u%10u%10u\n", str, \
562 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
563 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
564 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
565 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
566 if (len >= size) \
567 goto done; \
568 } while(0)
569
570 #define PRX(str, elem) \
571 do { \
572 len += snprintf(buf + len, size - len, \
573 "%s%13u%11u%10u%10u\n", str, \
574 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
575 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
576 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
577 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
578 if (len >= size) \
579 goto done; \
580 } while(0)
581
582 #define PRQLE(str, elem) \
583 do { \
584 len += snprintf(buf + len, size - len, \
585 "%s%13i%11i%10i%10i\n", str, \
586 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
587 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
588 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
589 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
590 if (len >= size) \
591 goto done; \
592 } while (0)
593
594 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
595 size_t count, loff_t *ppos)
596 {
597 struct ath_softc *sc = file->private_data;
598 char *buf;
599 unsigned int len = 0, size = 8000;
600 int i;
601 ssize_t retval = 0;
602 char tmp[32];
603
604 buf = kzalloc(size, GFP_KERNEL);
605 if (buf == NULL)
606 return -ENOMEM;
607
608 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
609 " poll-work-seen: %u\n"
610 "%30s %10s%10s%10s\n\n",
611 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
612 sc->tx_complete_poll_work_seen,
613 "BE", "BK", "VI", "VO");
614
615 PR("MPDUs Queued: ", queued);
616 PR("MPDUs Completed: ", completed);
617 PR("MPDUs XRetried: ", xretries);
618 PR("Aggregates: ", a_aggr);
619 PR("AMPDUs Queued HW:", a_queued_hw);
620 PR("AMPDUs Queued SW:", a_queued_sw);
621 PR("AMPDUs Completed:", a_completed);
622 PR("AMPDUs Retried: ", a_retries);
623 PR("AMPDUs XRetried: ", a_xretries);
624 PR("FIFO Underrun: ", fifo_underrun);
625 PR("TXOP Exceeded: ", xtxop);
626 PR("TXTIMER Expiry: ", timer_exp);
627 PR("DESC CFG Error: ", desc_cfg_err);
628 PR("DATA Underrun: ", data_underrun);
629 PR("DELIM Underrun: ", delim_underrun);
630 PR("TX-Pkts-All: ", tx_pkts_all);
631 PR("TX-Bytes-All: ", tx_bytes_all);
632 PR("hw-put-tx-buf: ", puttxbuf);
633 PR("hw-tx-start: ", txstart);
634 PR("hw-tx-proc-desc: ", txprocdesc);
635 len += snprintf(buf + len, size - len,
636 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
637 sc->tx.txq_map[WME_AC_BE],
638 sc->tx.txq_map[WME_AC_BK],
639 sc->tx.txq_map[WME_AC_VI],
640 sc->tx.txq_map[WME_AC_VO]);
641 if (len >= size)
642 goto done;
643
644 PRX("axq-qnum: ", axq_qnum);
645 PRX("axq-depth: ", axq_depth);
646 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
647 PRX("axq-stopped ", stopped);
648 PRX("tx-in-progress ", axq_tx_inprogress);
649 PRX("pending-frames ", pending_frames);
650 PRX("txq_headidx: ", txq_headidx);
651 PRX("txq_tailidx: ", txq_headidx);
652
653 PRQLE("axq_q empty: ", axq_q);
654 PRQLE("axq_acq empty: ", axq_acq);
655 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
656 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
657 PRQLE(tmp, txq_fifo[i]);
658 }
659
660 /* Print out more detailed queue-info */
661 for (i = 0; i <= WME_AC_BK; i++) {
662 struct ath_txq *txq = &(sc->tx.txq[i]);
663 struct ath_atx_ac *ac;
664 struct ath_atx_tid *tid;
665 if (len >= size)
666 goto done;
667 spin_lock_bh(&txq->axq_lock);
668 if (!list_empty(&txq->axq_acq)) {
669 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
670 list);
671 len += snprintf(buf + len, size - len,
672 "txq[%i] first-ac: %p sched: %i\n",
673 i, ac, ac->sched);
674 if (list_empty(&ac->tid_q) || (len >= size))
675 goto done_for;
676 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
677 list);
678 len += snprintf(buf + len, size - len,
679 " first-tid: %p sched: %i paused: %i\n",
680 tid, tid->sched, tid->paused);
681 }
682 done_for:
683 spin_unlock_bh(&txq->axq_lock);
684 }
685
686 done:
687 if (len > size)
688 len = size;
689
690 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
691 kfree(buf);
692
693 return retval;
694 }
695
696 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
697 size_t count, loff_t *ppos)
698 {
699 struct ath_softc *sc = file->private_data;
700 char *buf;
701 unsigned int len = 0, size = 64000;
702 struct ath_node *an = NULL;
703 ssize_t retval = 0;
704 int q;
705
706 buf = kzalloc(size, GFP_KERNEL);
707 if (buf == NULL)
708 return -ENOMEM;
709
710 len += snprintf(buf + len, size - len,
711 "Stations:\n"
712 " tid: addr sched paused buf_q-empty an ac baw\n"
713 " ac: addr sched tid_q-empty txq\n");
714
715 spin_lock(&sc->nodes_lock);
716 list_for_each_entry(an, &sc->nodes, list) {
717 unsigned short ma = an->maxampdu;
718 if (ma == 0)
719 ma = 65535; /* see ath_lookup_rate */
720 len += snprintf(buf + len, size - len,
721 "iface: %pM sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
722 an->vif->addr, an->sta->addr, ma,
723 (unsigned int)(an->mpdudensity));
724 if (len >= size)
725 goto done;
726
727 for (q = 0; q < WME_NUM_TID; q++) {
728 struct ath_atx_tid *tid = &(an->tid[q]);
729 len += snprintf(buf + len, size - len,
730 " tid: %p %s %s %i %p %p %hu\n",
731 tid, tid->sched ? "sched" : "idle",
732 tid->paused ? "paused" : "running",
733 skb_queue_empty(&tid->buf_q),
734 tid->an, tid->ac, tid->baw_size);
735 if (len >= size)
736 goto done;
737 }
738
739 for (q = 0; q < WME_NUM_AC; q++) {
740 struct ath_atx_ac *ac = &(an->ac[q]);
741 len += snprintf(buf + len, size - len,
742 " ac: %p %s %i %p\n",
743 ac, ac->sched ? "sched" : "idle",
744 list_empty(&ac->tid_q), ac->txq);
745 if (len >= size)
746 goto done;
747 }
748 }
749
750 done:
751 spin_unlock(&sc->nodes_lock);
752 if (len > size)
753 len = size;
754
755 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
756 kfree(buf);
757
758 return retval;
759 }
760
761 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
762 size_t count, loff_t *ppos)
763 {
764 struct ath_softc *sc = file->private_data;
765 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
766 struct ath_hw *ah = sc->sc_ah;
767 struct ieee80211_hw *hw = sc->hw;
768 char *buf;
769 unsigned int len = 0, size = 8000;
770 ssize_t retval = 0;
771 unsigned int reg;
772 struct ath9k_vif_iter_data iter_data;
773
774 ath9k_calculate_iter_data(hw, NULL, &iter_data);
775
776 buf = kzalloc(size, GFP_KERNEL);
777 if (buf == NULL)
778 return -ENOMEM;
779
780 ath9k_ps_wakeup(sc);
781 len += snprintf(buf + len, size - len,
782 "curbssid: %pM\n"
783 "OP-Mode: %s(%i)\n"
784 "Beacon-Timer-Register: 0x%x\n",
785 common->curbssid,
786 ath_opmode_to_string(sc->sc_ah->opmode),
787 (int)(sc->sc_ah->opmode),
788 REG_READ(ah, AR_BEACON_PERIOD));
789
790 reg = REG_READ(ah, AR_TIMER_MODE);
791 ath9k_ps_restore(sc);
792 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
793 reg);
794 if (reg & AR_TBTT_TIMER_EN)
795 len += snprintf(buf + len, size - len, "TBTT ");
796 if (reg & AR_DBA_TIMER_EN)
797 len += snprintf(buf + len, size - len, "DBA ");
798 if (reg & AR_SWBA_TIMER_EN)
799 len += snprintf(buf + len, size - len, "SWBA ");
800 if (reg & AR_HCF_TIMER_EN)
801 len += snprintf(buf + len, size - len, "HCF ");
802 if (reg & AR_TIM_TIMER_EN)
803 len += snprintf(buf + len, size - len, "TIM ");
804 if (reg & AR_DTIM_TIMER_EN)
805 len += snprintf(buf + len, size - len, "DTIM ");
806 len += snprintf(buf + len, size - len, ")\n");
807
808 reg = sc->sc_ah->imask;
809 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
810 if (reg & ATH9K_INT_SWBA)
811 len += snprintf(buf + len, size - len, "SWBA ");
812 if (reg & ATH9K_INT_BMISS)
813 len += snprintf(buf + len, size - len, "BMISS ");
814 if (reg & ATH9K_INT_CST)
815 len += snprintf(buf + len, size - len, "CST ");
816 if (reg & ATH9K_INT_RX)
817 len += snprintf(buf + len, size - len, "RX ");
818 if (reg & ATH9K_INT_RXHP)
819 len += snprintf(buf + len, size - len, "RXHP ");
820 if (reg & ATH9K_INT_RXLP)
821 len += snprintf(buf + len, size - len, "RXLP ");
822 if (reg & ATH9K_INT_BB_WATCHDOG)
823 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
824 /* there are other IRQs if one wanted to add them. */
825 len += snprintf(buf + len, size - len, ")\n");
826
827 len += snprintf(buf + len, size - len,
828 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
829 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
830 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
831 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
832 sc->nvifs, sc->nbcnvifs);
833
834 len += snprintf(buf + len, size - len,
835 "Calculated-BSSID-Mask: %pM\n",
836 iter_data.mask);
837
838 if (len > size)
839 len = size;
840
841 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
842 kfree(buf);
843
844 return retval;
845 }
846
847 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
848 struct ath_tx_status *ts, struct ath_txq *txq,
849 unsigned int flags)
850 {
851 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
852 [sc->debug.tsidx].c)
853 int qnum = txq->axq_qnum;
854
855 TX_STAT_INC(qnum, tx_pkts_all);
856 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
857
858 if (bf_isampdu(bf)) {
859 if (flags & ATH_TX_ERROR)
860 TX_STAT_INC(qnum, a_xretries);
861 else
862 TX_STAT_INC(qnum, a_completed);
863 } else {
864 if (ts->ts_status & ATH9K_TXERR_XRETRY)
865 TX_STAT_INC(qnum, xretries);
866 else
867 TX_STAT_INC(qnum, completed);
868 }
869
870 if (ts->ts_status & ATH9K_TXERR_FIFO)
871 TX_STAT_INC(qnum, fifo_underrun);
872 if (ts->ts_status & ATH9K_TXERR_XTXOP)
873 TX_STAT_INC(qnum, xtxop);
874 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
875 TX_STAT_INC(qnum, timer_exp);
876 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
877 TX_STAT_INC(qnum, desc_cfg_err);
878 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
879 TX_STAT_INC(qnum, data_underrun);
880 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
881 TX_STAT_INC(qnum, delim_underrun);
882
883 spin_lock(&sc->debug.samp_lock);
884 TX_SAMP_DBG(jiffies) = jiffies;
885 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
886 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
887 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
888 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
889 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
890 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
891 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
892 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
893 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
894 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
895 TX_SAMP_DBG(rssi) = ts->ts_rssi;
896 TX_SAMP_DBG(tid) = ts->tid;
897 TX_SAMP_DBG(qid) = ts->qid;
898
899 if (ts->ts_flags & ATH9K_TX_BA) {
900 TX_SAMP_DBG(ba_low) = ts->ba_low;
901 TX_SAMP_DBG(ba_high) = ts->ba_high;
902 } else {
903 TX_SAMP_DBG(ba_low) = 0;
904 TX_SAMP_DBG(ba_high) = 0;
905 }
906
907 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
908 spin_unlock(&sc->debug.samp_lock);
909
910 #undef TX_SAMP_DBG
911 }
912
913 static const struct file_operations fops_xmit = {
914 .read = read_file_xmit,
915 .open = ath9k_debugfs_open,
916 .owner = THIS_MODULE,
917 .llseek = default_llseek,
918 };
919
920 static const struct file_operations fops_stations = {
921 .read = read_file_stations,
922 .open = ath9k_debugfs_open,
923 .owner = THIS_MODULE,
924 .llseek = default_llseek,
925 };
926
927 static const struct file_operations fops_misc = {
928 .read = read_file_misc,
929 .open = ath9k_debugfs_open,
930 .owner = THIS_MODULE,
931 .llseek = default_llseek,
932 };
933
934 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
935 size_t count, loff_t *ppos)
936 {
937 #define PHY_ERR(s, p) \
938 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
939 sc->debug.stats.rxstats.phy_err_stats[p]);
940
941 struct ath_softc *sc = file->private_data;
942 char *buf;
943 unsigned int len = 0, size = 1400;
944 ssize_t retval = 0;
945
946 buf = kzalloc(size, GFP_KERNEL);
947 if (buf == NULL)
948 return -ENOMEM;
949
950 len += snprintf(buf + len, size - len,
951 "%18s : %10u\n", "CRC ERR",
952 sc->debug.stats.rxstats.crc_err);
953 len += snprintf(buf + len, size - len,
954 "%18s : %10u\n", "DECRYPT CRC ERR",
955 sc->debug.stats.rxstats.decrypt_crc_err);
956 len += snprintf(buf + len, size - len,
957 "%18s : %10u\n", "PHY ERR",
958 sc->debug.stats.rxstats.phy_err);
959 len += snprintf(buf + len, size - len,
960 "%18s : %10u\n", "MIC ERR",
961 sc->debug.stats.rxstats.mic_err);
962 len += snprintf(buf + len, size - len,
963 "%18s : %10u\n", "PRE-DELIM CRC ERR",
964 sc->debug.stats.rxstats.pre_delim_crc_err);
965 len += snprintf(buf + len, size - len,
966 "%18s : %10u\n", "POST-DELIM CRC ERR",
967 sc->debug.stats.rxstats.post_delim_crc_err);
968 len += snprintf(buf + len, size - len,
969 "%18s : %10u\n", "DECRYPT BUSY ERR",
970 sc->debug.stats.rxstats.decrypt_busy_err);
971
972 len += snprintf(buf + len, size - len,
973 "%18s : %10d\n", "RSSI-CTL0",
974 sc->debug.stats.rxstats.rs_rssi_ctl0);
975
976 len += snprintf(buf + len, size - len,
977 "%18s : %10d\n", "RSSI-CTL1",
978 sc->debug.stats.rxstats.rs_rssi_ctl1);
979
980 len += snprintf(buf + len, size - len,
981 "%18s : %10d\n", "RSSI-CTL2",
982 sc->debug.stats.rxstats.rs_rssi_ctl2);
983
984 len += snprintf(buf + len, size - len,
985 "%18s : %10d\n", "RSSI-EXT0",
986 sc->debug.stats.rxstats.rs_rssi_ext0);
987
988 len += snprintf(buf + len, size - len,
989 "%18s : %10d\n", "RSSI-EXT1",
990 sc->debug.stats.rxstats.rs_rssi_ext1);
991
992 len += snprintf(buf + len, size - len,
993 "%18s : %10d\n", "RSSI-EXT2",
994 sc->debug.stats.rxstats.rs_rssi_ext2);
995
996 len += snprintf(buf + len, size - len,
997 "%18s : %10d\n", "Rx Antenna",
998 sc->debug.stats.rxstats.rs_antenna);
999
1000 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
1001 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
1002 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
1003 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
1004 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
1005 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
1006 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
1007 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
1008 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
1009 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
1010 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
1011 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
1012 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
1013 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
1014 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
1015 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
1016 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
1017 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
1018 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
1019 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
1020 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
1021 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1022 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
1023 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
1024 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1025 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1026
1027 len += snprintf(buf + len, size - len,
1028 "%18s : %10u\n", "RX-Pkts-All",
1029 sc->debug.stats.rxstats.rx_pkts_all);
1030 len += snprintf(buf + len, size - len,
1031 "%18s : %10u\n", "RX-Bytes-All",
1032 sc->debug.stats.rxstats.rx_bytes_all);
1033
1034 if (len > size)
1035 len = size;
1036
1037 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1038 kfree(buf);
1039
1040 return retval;
1041
1042 #undef PHY_ERR
1043 }
1044
1045 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1046 {
1047 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1048 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1049 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1050 [sc->debug.rsidx].c)
1051
1052 u32 phyerr;
1053
1054 RX_STAT_INC(rx_pkts_all);
1055 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1056
1057 if (rs->rs_status & ATH9K_RXERR_CRC)
1058 RX_STAT_INC(crc_err);
1059 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1060 RX_STAT_INC(decrypt_crc_err);
1061 if (rs->rs_status & ATH9K_RXERR_MIC)
1062 RX_STAT_INC(mic_err);
1063 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1064 RX_STAT_INC(pre_delim_crc_err);
1065 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1066 RX_STAT_INC(post_delim_crc_err);
1067 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1068 RX_STAT_INC(decrypt_busy_err);
1069
1070 if (rs->rs_status & ATH9K_RXERR_PHY) {
1071 RX_STAT_INC(phy_err);
1072 phyerr = rs->rs_phyerr & 0x24;
1073 RX_PHY_ERR_INC(phyerr);
1074 }
1075
1076 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1077 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1078 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1079
1080 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1081 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1082 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1083
1084 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1085
1086 spin_lock(&sc->debug.samp_lock);
1087 RX_SAMP_DBG(jiffies) = jiffies;
1088 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1089 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1090 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1091 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1092 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1093 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1094 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1095 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1096 RX_SAMP_DBG(rate) = rs->rs_rate;
1097 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1098
1099 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1100 spin_unlock(&sc->debug.samp_lock);
1101
1102 #undef RX_STAT_INC
1103 #undef RX_PHY_ERR_INC
1104 #undef RX_SAMP_DBG
1105 }
1106
1107 static const struct file_operations fops_recv = {
1108 .read = read_file_recv,
1109 .open = ath9k_debugfs_open,
1110 .owner = THIS_MODULE,
1111 .llseek = default_llseek,
1112 };
1113
1114 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1115 size_t count, loff_t *ppos)
1116 {
1117 struct ath_softc *sc = file->private_data;
1118 char buf[32];
1119 unsigned int len;
1120
1121 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1122 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1123 }
1124
1125 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1126 size_t count, loff_t *ppos)
1127 {
1128 struct ath_softc *sc = file->private_data;
1129 unsigned long regidx;
1130 char buf[32];
1131 ssize_t len;
1132
1133 len = min(count, sizeof(buf) - 1);
1134 if (copy_from_user(buf, user_buf, len))
1135 return -EFAULT;
1136
1137 buf[len] = '\0';
1138 if (strict_strtoul(buf, 0, &regidx))
1139 return -EINVAL;
1140
1141 sc->debug.regidx = regidx;
1142 return count;
1143 }
1144
1145 static const struct file_operations fops_regidx = {
1146 .read = read_file_regidx,
1147 .write = write_file_regidx,
1148 .open = ath9k_debugfs_open,
1149 .owner = THIS_MODULE,
1150 .llseek = default_llseek,
1151 };
1152
1153 static ssize_t read_file_regval(struct file *file, 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 char buf[32];
1159 unsigned int len;
1160 u32 regval;
1161
1162 ath9k_ps_wakeup(sc);
1163 regval = REG_READ_D(ah, sc->debug.regidx);
1164 ath9k_ps_restore(sc);
1165 len = sprintf(buf, "0x%08x\n", regval);
1166 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1167 }
1168
1169 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1170 size_t count, loff_t *ppos)
1171 {
1172 struct ath_softc *sc = file->private_data;
1173 struct ath_hw *ah = sc->sc_ah;
1174 unsigned long regval;
1175 char buf[32];
1176 ssize_t len;
1177
1178 len = min(count, sizeof(buf) - 1);
1179 if (copy_from_user(buf, user_buf, len))
1180 return -EFAULT;
1181
1182 buf[len] = '\0';
1183 if (strict_strtoul(buf, 0, &regval))
1184 return -EINVAL;
1185
1186 ath9k_ps_wakeup(sc);
1187 REG_WRITE_D(ah, sc->debug.regidx, regval);
1188 ath9k_ps_restore(sc);
1189 return count;
1190 }
1191
1192 static const struct file_operations fops_regval = {
1193 .read = read_file_regval,
1194 .write = write_file_regval,
1195 .open = ath9k_debugfs_open,
1196 .owner = THIS_MODULE,
1197 .llseek = default_llseek,
1198 };
1199
1200 #define REGDUMP_LINE_SIZE 20
1201
1202 static int open_file_regdump(struct inode *inode, struct file *file)
1203 {
1204 struct ath_softc *sc = inode->i_private;
1205 unsigned int len = 0;
1206 u8 *buf;
1207 int i;
1208 unsigned long num_regs, regdump_len, max_reg_offset;
1209
1210 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1211 num_regs = max_reg_offset / 4 + 1;
1212 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1213 buf = vmalloc(regdump_len);
1214 if (!buf)
1215 return -ENOMEM;
1216
1217 ath9k_ps_wakeup(sc);
1218 for (i = 0; i < num_regs; i++)
1219 len += scnprintf(buf + len, regdump_len - len,
1220 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1221 ath9k_ps_restore(sc);
1222
1223 file->private_data = buf;
1224
1225 return 0;
1226 }
1227
1228 static const struct file_operations fops_regdump = {
1229 .open = open_file_regdump,
1230 .read = ath9k_debugfs_read_buf,
1231 .release = ath9k_debugfs_release_buf,
1232 .owner = THIS_MODULE,
1233 .llseek = default_llseek,/* read accesses f_pos */
1234 };
1235
1236 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1237 size_t count, loff_t *ppos)
1238 {
1239 struct ath_softc *sc = file->private_data;
1240 struct ath_hw *ah = sc->sc_ah;
1241 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1242 struct ath_common *common = ath9k_hw_common(ah);
1243 struct ieee80211_conf *conf = &common->hw->conf;
1244 u32 len = 0, size = 1500;
1245 u32 i, j;
1246 ssize_t retval = 0;
1247 char *buf;
1248 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1249 u8 nread;
1250
1251 buf = kzalloc(size, GFP_KERNEL);
1252 if (!buf)
1253 return -ENOMEM;
1254
1255 len += snprintf(buf + len, size - len,
1256 "Channel Noise Floor : %d\n", ah->noise);
1257 len += snprintf(buf + len, size - len,
1258 "Chain | privNF | # Readings | NF Readings\n");
1259 for (i = 0; i < NUM_NF_READINGS; i++) {
1260 if (!(chainmask & (1 << i)) ||
1261 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1262 continue;
1263
1264 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1265 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1266 i, h[i].privNF, nread);
1267 for (j = 0; j < nread; j++)
1268 len += snprintf(buf + len, size - len,
1269 " %d", h[i].nfCalBuffer[j]);
1270 len += snprintf(buf + len, size - len, "\n");
1271 }
1272
1273 if (len > size)
1274 len = size;
1275
1276 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1277 kfree(buf);
1278
1279 return retval;
1280 }
1281
1282 static const struct file_operations fops_dump_nfcal = {
1283 .read = read_file_dump_nfcal,
1284 .open = ath9k_debugfs_open,
1285 .owner = THIS_MODULE,
1286 .llseek = default_llseek,
1287 };
1288
1289 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1290 size_t count, loff_t *ppos)
1291 {
1292 struct ath_softc *sc = file->private_data;
1293 struct ath_hw *ah = sc->sc_ah;
1294 u32 len = 0, size = 1500;
1295 ssize_t retval = 0;
1296 char *buf;
1297
1298 buf = kzalloc(size, GFP_KERNEL);
1299 if (!buf)
1300 return -ENOMEM;
1301
1302 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1303
1304 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1305 kfree(buf);
1306
1307 return retval;
1308 }
1309
1310 static const struct file_operations fops_base_eeprom = {
1311 .read = read_file_base_eeprom,
1312 .open = ath9k_debugfs_open,
1313 .owner = THIS_MODULE,
1314 .llseek = default_llseek,
1315 };
1316
1317 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1318 size_t count, loff_t *ppos)
1319 {
1320 struct ath_softc *sc = file->private_data;
1321 struct ath_hw *ah = sc->sc_ah;
1322 u32 len = 0, size = 6000;
1323 char *buf;
1324 size_t retval;
1325
1326 buf = kzalloc(size, GFP_KERNEL);
1327 if (buf == NULL)
1328 return -ENOMEM;
1329
1330 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1331
1332 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1333 kfree(buf);
1334
1335 return retval;
1336 }
1337
1338 static const struct file_operations fops_modal_eeprom = {
1339 .read = read_file_modal_eeprom,
1340 .open = ath9k_debugfs_open,
1341 .owner = THIS_MODULE,
1342 .llseek = default_llseek,
1343 };
1344
1345 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1346 {
1347 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1348 struct ath_hw *ah = sc->sc_ah;
1349 struct ath_common *common = ath9k_hw_common(ah);
1350 unsigned long flags;
1351 int i;
1352
1353 ath9k_ps_wakeup(sc);
1354
1355 spin_lock_bh(&sc->debug.samp_lock);
1356
1357 spin_lock_irqsave(&common->cc_lock, flags);
1358 ath_hw_cycle_counters_update(common);
1359
1360 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1361 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1362 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1363 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1364 spin_unlock_irqrestore(&common->cc_lock, flags);
1365
1366 ATH_SAMP_DBG(noise) = ah->noise;
1367
1368 REG_WRITE_D(ah, AR_MACMISC,
1369 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1370 (AR_MACMISC_MISC_OBS_BUS_1 <<
1371 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1372
1373 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1374 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1375 AR_DMADBG_0 + (i * sizeof(u32)));
1376
1377 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1378 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1379
1380 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1381 sizeof(ATH_SAMP_DBG(nfCalHist)));
1382
1383 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1384 spin_unlock_bh(&sc->debug.samp_lock);
1385 ath9k_ps_restore(sc);
1386
1387 #undef ATH_SAMP_DBG
1388 }
1389
1390 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1391 {
1392 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1393 struct ath_softc *sc = inode->i_private;
1394 struct ath_hw *ah = sc->sc_ah;
1395 struct ath_common *common = ath9k_hw_common(ah);
1396 struct ieee80211_conf *conf = &common->hw->conf;
1397 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1398 struct ath9k_nfcal_hist *h;
1399 int i, j, qcuOffset = 0, dcuOffset = 0;
1400 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1401 u32 sampidx = 0;
1402 u8 *buf;
1403 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1404 u8 nread;
1405
1406 if (sc->sc_flags & SC_OP_INVALID)
1407 return -EAGAIN;
1408
1409 buf = vmalloc(size);
1410 if (!buf)
1411 return -ENOMEM;
1412 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1413 if (!bb_mac_samp) {
1414 vfree(buf);
1415 return -ENOMEM;
1416 }
1417 /* Account the current state too */
1418 ath9k_debug_samp_bb_mac(sc);
1419
1420 spin_lock_bh(&sc->debug.samp_lock);
1421 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1422 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1423 len += snprintf(buf + len, size - len,
1424 "Current Sample Index: %d\n", sc->debug.sampidx);
1425 spin_unlock_bh(&sc->debug.samp_lock);
1426
1427 len += snprintf(buf + len, size - len,
1428 "Raw DMA Debug Dump:\n");
1429 len += snprintf(buf + len, size - len, "Sample |\t");
1430 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1431 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1432 len += snprintf(buf + len, size - len, "\n");
1433
1434 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1435 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1436
1437 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1438 len += snprintf(buf + len, size - len, " %08x\t",
1439 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1440 len += snprintf(buf + len, size - len, "\n");
1441 }
1442 len += snprintf(buf + len, size - len, "\n");
1443
1444 len += snprintf(buf + len, size - len,
1445 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1446 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1447 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1448 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1449
1450 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1451 qcuOffset += 4, dcuOffset += 5) {
1452 if (i == 8) {
1453 qcuOffset = 0;
1454 qcuBase++;
1455 }
1456
1457 if (i == 6) {
1458 dcuOffset = 0;
1459 dcuBase++;
1460 }
1461 if (!sc->debug.stats.txstats[i].queued)
1462 continue;
1463
1464 len += snprintf(buf + len, size - len,
1465 "%4d %7d %2x %1x %2x %2x\n",
1466 sampidx, i,
1467 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1468 (*qcuBase & (0x8 << qcuOffset)) >>
1469 (qcuOffset + 3),
1470 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1471 (0x7 << (i * 3)) >> (i * 3),
1472 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1473 }
1474 len += snprintf(buf + len, size - len, "\n");
1475 }
1476 len += snprintf(buf + len, size - len,
1477 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1478 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1479 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1480
1481 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1482 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1483 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1484
1485 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1486 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1487 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1488 len += snprintf(buf + len, size - len, "%7x %8x ",
1489 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1490 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1491 len += snprintf(buf + len, size - len, "%7x %7x ",
1492 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1493 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1494 len += snprintf(buf + len, size - len, "%7d %12d ",
1495 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1496 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1497 len += snprintf(buf + len, size - len, "%12d %12d ",
1498 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1499 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1500 len += snprintf(buf + len, size - len, "%12d %12d ",
1501 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1502 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1503 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1504 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1505 }
1506
1507 len += snprintf(buf + len, size - len,
1508 "Sample ChNoise Chain privNF #Reading Readings\n");
1509 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1510 h = ATH_SAMP_DBG(nfCalHist);
1511 if (!ATH_SAMP_DBG(noise))
1512 continue;
1513
1514 for (i = 0; i < NUM_NF_READINGS; i++) {
1515 if (!(chainmask & (1 << i)) ||
1516 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1517 continue;
1518
1519 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1520 h[i].invalidNFcount;
1521 len += snprintf(buf + len, size - len,
1522 "%4d %5d %4d\t %d\t %d\t",
1523 sampidx, ATH_SAMP_DBG(noise),
1524 i, h[i].privNF, nread);
1525 for (j = 0; j < nread; j++)
1526 len += snprintf(buf + len, size - len,
1527 " %d", h[i].nfCalBuffer[j]);
1528 len += snprintf(buf + len, size - len, "\n");
1529 }
1530 }
1531 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1532 "Sample Total Rxbusy Rxframes Txframes\n");
1533 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1534 if (!ATH_SAMP_DBG(cc.cycles))
1535 continue;
1536 len += snprintf(buf + len, size - len,
1537 "%4d %08x %08x %08x %08x\n",
1538 sampidx, ATH_SAMP_DBG(cc.cycles),
1539 ATH_SAMP_DBG(cc.rx_busy),
1540 ATH_SAMP_DBG(cc.rx_frame),
1541 ATH_SAMP_DBG(cc.tx_frame));
1542 }
1543
1544 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1545 len += snprintf(buf + len, size - len,
1546 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1547 "isok rts_fail data_fail rate tid qid "
1548 "ba_low ba_high tx_before(ms)\n");
1549 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1550 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1551 if (!ATH_SAMP_DBG(ts[i].jiffies))
1552 continue;
1553 len += snprintf(buf + len, size - len, "%-14d"
1554 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1555 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1556 sampidx,
1557 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1558 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1559 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1560 ATH_SAMP_DBG(ts[i].rssi_ext0),
1561 ATH_SAMP_DBG(ts[i].rssi_ext1),
1562 ATH_SAMP_DBG(ts[i].rssi_ext2),
1563 ATH_SAMP_DBG(ts[i].rssi),
1564 ATH_SAMP_DBG(ts[i].isok),
1565 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1566 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1567 ATH_SAMP_DBG(ts[i].rateindex),
1568 ATH_SAMP_DBG(ts[i].tid),
1569 ATH_SAMP_DBG(ts[i].qid),
1570 ATH_SAMP_DBG(ts[i].ba_low),
1571 ATH_SAMP_DBG(ts[i].ba_high),
1572 jiffies_to_msecs(jiffies -
1573 ATH_SAMP_DBG(ts[i].jiffies)));
1574 }
1575 }
1576
1577 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1578 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1579 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1580 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1581 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1582 if (!ATH_SAMP_DBG(rs[i].jiffies))
1583 continue;
1584 len += snprintf(buf + len, size - len, "%-14d"
1585 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1586 sampidx,
1587 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1588 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1589 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1590 ATH_SAMP_DBG(rs[i].rssi_ext0),
1591 ATH_SAMP_DBG(rs[i].rssi_ext1),
1592 ATH_SAMP_DBG(rs[i].rssi_ext2),
1593 ATH_SAMP_DBG(rs[i].rssi),
1594 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1595 "True" : "False",
1596 ATH_SAMP_DBG(rs[i].antenna),
1597 ATH_SAMP_DBG(rs[i].rate),
1598 jiffies_to_msecs(jiffies -
1599 ATH_SAMP_DBG(rs[i].jiffies)));
1600 }
1601 }
1602
1603 vfree(bb_mac_samp);
1604 file->private_data = buf;
1605
1606 return 0;
1607 #undef ATH_SAMP_DBG
1608 }
1609
1610 static const struct file_operations fops_samps = {
1611 .open = open_file_bb_mac_samps,
1612 .read = ath9k_debugfs_read_buf,
1613 .release = ath9k_debugfs_release_buf,
1614 .owner = THIS_MODULE,
1615 .llseek = default_llseek,
1616 };
1617
1618
1619 int ath9k_init_debug(struct ath_hw *ah)
1620 {
1621 struct ath_common *common = ath9k_hw_common(ah);
1622 struct ath_softc *sc = (struct ath_softc *) common->priv;
1623
1624 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1625 sc->hw->wiphy->debugfsdir);
1626 if (!sc->debug.debugfs_phy)
1627 return -ENOMEM;
1628
1629 #ifdef CONFIG_ATH_DEBUG
1630 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1631 sc, &fops_debug);
1632 #endif
1633
1634 ath9k_dfs_init_debug(sc);
1635
1636 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1637 &fops_dma);
1638 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1639 &fops_interrupt);
1640 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1641 sc, &fops_wiphy);
1642 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1643 &fops_xmit);
1644 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1645 &fops_stations);
1646 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1647 &fops_misc);
1648 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1649 &fops_recv);
1650 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1651 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1652 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1653 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1654 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1655 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1656 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1657 sc, &fops_regidx);
1658 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1659 sc, &fops_regval);
1660 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1661 sc->debug.debugfs_phy,
1662 &ah->config.cwm_ignore_extcca);
1663 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1664 &fops_regdump);
1665 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1666 &fops_dump_nfcal);
1667 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1668 &fops_base_eeprom);
1669 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1670 &fops_modal_eeprom);
1671 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1672 &fops_samps);
1673
1674 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1675 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1676
1677 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1678 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1679
1680 sc->debug.regidx = 0;
1681 memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1682 sc->debug.sampidx = 0;
1683 sc->debug.tsidx = 0;
1684 sc->debug.rsidx = 0;
1685 return 0;
1686 }