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Merge tag 'ep93xx-fixes-for-3.8' of git://github.com/RyanMallon/linux-ep93xx into...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / ath / ath9k / debug.c
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
30 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
31 size_t count, loff_t *ppos)
32 {
33 u8 *buf = file->private_data;
34 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
35 }
36
37 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
38 {
39 vfree(file->private_data);
40 return 0;
41 }
42
43 #ifdef CONFIG_ATH_DEBUG
44
45 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
46 size_t count, loff_t *ppos)
47 {
48 struct ath_softc *sc = file->private_data;
49 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
50 char buf[32];
51 unsigned int len;
52
53 len = sprintf(buf, "0x%08x\n", common->debug_mask);
54 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
55 }
56
57 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
58 size_t count, loff_t *ppos)
59 {
60 struct ath_softc *sc = file->private_data;
61 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
62 unsigned long mask;
63 char buf[32];
64 ssize_t len;
65
66 len = min(count, sizeof(buf) - 1);
67 if (copy_from_user(buf, user_buf, len))
68 return -EFAULT;
69
70 buf[len] = '\0';
71 if (strict_strtoul(buf, 0, &mask))
72 return -EINVAL;
73
74 common->debug_mask = mask;
75 return count;
76 }
77
78 static const struct file_operations fops_debug = {
79 .read = read_file_debug,
80 .write = write_file_debug,
81 .open = simple_open,
82 .owner = THIS_MODULE,
83 .llseek = default_llseek,
84 };
85
86 #endif
87
88 #define DMA_BUF_LEN 1024
89
90 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
91 size_t count, loff_t *ppos)
92 {
93 struct ath_softc *sc = file->private_data;
94 struct ath_hw *ah = sc->sc_ah;
95 char buf[32];
96 unsigned int len;
97
98 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
99 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
100 }
101
102 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
103 size_t count, loff_t *ppos)
104 {
105 struct ath_softc *sc = file->private_data;
106 struct ath_hw *ah = sc->sc_ah;
107 unsigned long mask;
108 char buf[32];
109 ssize_t len;
110
111 len = min(count, sizeof(buf) - 1);
112 if (copy_from_user(buf, user_buf, len))
113 return -EFAULT;
114
115 buf[len] = '\0';
116 if (strict_strtoul(buf, 0, &mask))
117 return -EINVAL;
118
119 ah->txchainmask = mask;
120 ah->caps.tx_chainmask = mask;
121 return count;
122 }
123
124 static const struct file_operations fops_tx_chainmask = {
125 .read = read_file_tx_chainmask,
126 .write = write_file_tx_chainmask,
127 .open = simple_open,
128 .owner = THIS_MODULE,
129 .llseek = default_llseek,
130 };
131
132
133 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
134 size_t count, loff_t *ppos)
135 {
136 struct ath_softc *sc = file->private_data;
137 struct ath_hw *ah = sc->sc_ah;
138 char buf[32];
139 unsigned int len;
140
141 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
142 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
143 }
144
145 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
146 size_t count, loff_t *ppos)
147 {
148 struct ath_softc *sc = file->private_data;
149 struct ath_hw *ah = sc->sc_ah;
150 unsigned long mask;
151 char buf[32];
152 ssize_t len;
153
154 len = min(count, sizeof(buf) - 1);
155 if (copy_from_user(buf, user_buf, len))
156 return -EFAULT;
157
158 buf[len] = '\0';
159 if (strict_strtoul(buf, 0, &mask))
160 return -EINVAL;
161
162 ah->rxchainmask = mask;
163 ah->caps.rx_chainmask = mask;
164 return count;
165 }
166
167 static const struct file_operations fops_rx_chainmask = {
168 .read = read_file_rx_chainmask,
169 .write = write_file_rx_chainmask,
170 .open = simple_open,
171 .owner = THIS_MODULE,
172 .llseek = default_llseek,
173 };
174
175 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
176 size_t count, loff_t *ppos)
177 {
178 struct ath_softc *sc = file->private_data;
179 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
180 char buf[32];
181 unsigned int len;
182
183 len = sprintf(buf, "%d\n", common->disable_ani);
184 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
185 }
186
187 static ssize_t write_file_disable_ani(struct file *file,
188 const char __user *user_buf,
189 size_t count, loff_t *ppos)
190 {
191 struct ath_softc *sc = file->private_data;
192 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
193 unsigned long disable_ani;
194 char buf[32];
195 ssize_t len;
196
197 len = min(count, sizeof(buf) - 1);
198 if (copy_from_user(buf, user_buf, len))
199 return -EFAULT;
200
201 buf[len] = '\0';
202 if (strict_strtoul(buf, 0, &disable_ani))
203 return -EINVAL;
204
205 common->disable_ani = !!disable_ani;
206
207 if (disable_ani) {
208 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
209 ath_stop_ani(sc);
210 } else {
211 ath_check_ani(sc);
212 }
213
214 return count;
215 }
216
217 static const struct file_operations fops_disable_ani = {
218 .read = read_file_disable_ani,
219 .write = write_file_disable_ani,
220 .open = simple_open,
221 .owner = THIS_MODULE,
222 .llseek = default_llseek,
223 };
224
225 static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf,
226 size_t count, loff_t *ppos)
227 {
228 struct ath_softc *sc = file->private_data;
229 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
230 char buf[32];
231 unsigned int len;
232
233 len = sprintf(buf, "%d\n", common->antenna_diversity);
234 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
235 }
236
237 static ssize_t write_file_ant_diversity(struct file *file,
238 const char __user *user_buf,
239 size_t count, loff_t *ppos)
240 {
241 struct ath_softc *sc = file->private_data;
242 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
243 unsigned long antenna_diversity;
244 char buf[32];
245 ssize_t len;
246
247 len = min(count, sizeof(buf) - 1);
248 if (copy_from_user(buf, user_buf, len))
249 return -EFAULT;
250
251 if (!AR_SREV_9565(sc->sc_ah))
252 goto exit;
253
254 buf[len] = '\0';
255 if (strict_strtoul(buf, 0, &antenna_diversity))
256 return -EINVAL;
257
258 common->antenna_diversity = !!antenna_diversity;
259 ath9k_ps_wakeup(sc);
260 ath_ant_comb_update(sc);
261 ath_dbg(common, CONFIG, "Antenna diversity: %d\n",
262 common->antenna_diversity);
263 ath9k_ps_restore(sc);
264 exit:
265 return count;
266 }
267
268 static const struct file_operations fops_ant_diversity = {
269 .read = read_file_ant_diversity,
270 .write = write_file_ant_diversity,
271 .open = simple_open,
272 .owner = THIS_MODULE,
273 .llseek = default_llseek,
274 };
275
276 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
277 size_t count, loff_t *ppos)
278 {
279 struct ath_softc *sc = file->private_data;
280 struct ath_hw *ah = sc->sc_ah;
281 char *buf;
282 int retval;
283 unsigned int len = 0;
284 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
285 int i, qcuOffset = 0, dcuOffset = 0;
286 u32 *qcuBase = &val[0], *dcuBase = &val[4];
287
288 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
289 if (!buf)
290 return -ENOMEM;
291
292 ath9k_ps_wakeup(sc);
293
294 REG_WRITE_D(ah, AR_MACMISC,
295 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
296 (AR_MACMISC_MISC_OBS_BUS_1 <<
297 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
298
299 len += snprintf(buf + len, DMA_BUF_LEN - len,
300 "Raw DMA Debug values:\n");
301
302 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
303 if (i % 4 == 0)
304 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
305
306 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
307 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
308 i, val[i]);
309 }
310
311 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
312 len += snprintf(buf + len, DMA_BUF_LEN - len,
313 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
314
315 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
316 if (i == 8) {
317 qcuOffset = 0;
318 qcuBase++;
319 }
320
321 if (i == 6) {
322 dcuOffset = 0;
323 dcuBase++;
324 }
325
326 len += snprintf(buf + len, DMA_BUF_LEN - len,
327 "%2d %2x %1x %2x %2x\n",
328 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
329 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
330 val[2] & (0x7 << (i * 3)) >> (i * 3),
331 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
332 }
333
334 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
335
336 len += snprintf(buf + len, DMA_BUF_LEN - len,
337 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
338 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
339 len += snprintf(buf + len, DMA_BUF_LEN - len,
340 "qcu_complete state: %2x dcu_complete state: %2x\n",
341 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
342 len += snprintf(buf + len, DMA_BUF_LEN - len,
343 "dcu_arb state: %2x dcu_fp state: %2x\n",
344 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
345 len += snprintf(buf + len, DMA_BUF_LEN - len,
346 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
347 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
348 len += snprintf(buf + len, DMA_BUF_LEN - len,
349 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
350 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
351 len += snprintf(buf + len, DMA_BUF_LEN - len,
352 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
353 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
354
355 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
356 REG_READ_D(ah, AR_OBS_BUS_1));
357 len += snprintf(buf + len, DMA_BUF_LEN - len,
358 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
359
360 ath9k_ps_restore(sc);
361
362 if (len > DMA_BUF_LEN)
363 len = DMA_BUF_LEN;
364
365 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
366 kfree(buf);
367 return retval;
368 }
369
370 static const struct file_operations fops_dma = {
371 .read = read_file_dma,
372 .open = simple_open,
373 .owner = THIS_MODULE,
374 .llseek = default_llseek,
375 };
376
377
378 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
379 {
380 if (status)
381 sc->debug.stats.istats.total++;
382 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
383 if (status & ATH9K_INT_RXLP)
384 sc->debug.stats.istats.rxlp++;
385 if (status & ATH9K_INT_RXHP)
386 sc->debug.stats.istats.rxhp++;
387 if (status & ATH9K_INT_BB_WATCHDOG)
388 sc->debug.stats.istats.bb_watchdog++;
389 } else {
390 if (status & ATH9K_INT_RX)
391 sc->debug.stats.istats.rxok++;
392 }
393 if (status & ATH9K_INT_RXEOL)
394 sc->debug.stats.istats.rxeol++;
395 if (status & ATH9K_INT_RXORN)
396 sc->debug.stats.istats.rxorn++;
397 if (status & ATH9K_INT_TX)
398 sc->debug.stats.istats.txok++;
399 if (status & ATH9K_INT_TXURN)
400 sc->debug.stats.istats.txurn++;
401 if (status & ATH9K_INT_RXPHY)
402 sc->debug.stats.istats.rxphyerr++;
403 if (status & ATH9K_INT_RXKCM)
404 sc->debug.stats.istats.rx_keycache_miss++;
405 if (status & ATH9K_INT_SWBA)
406 sc->debug.stats.istats.swba++;
407 if (status & ATH9K_INT_BMISS)
408 sc->debug.stats.istats.bmiss++;
409 if (status & ATH9K_INT_BNR)
410 sc->debug.stats.istats.bnr++;
411 if (status & ATH9K_INT_CST)
412 sc->debug.stats.istats.cst++;
413 if (status & ATH9K_INT_GTT)
414 sc->debug.stats.istats.gtt++;
415 if (status & ATH9K_INT_TIM)
416 sc->debug.stats.istats.tim++;
417 if (status & ATH9K_INT_CABEND)
418 sc->debug.stats.istats.cabend++;
419 if (status & ATH9K_INT_DTIMSYNC)
420 sc->debug.stats.istats.dtimsync++;
421 if (status & ATH9K_INT_DTIM)
422 sc->debug.stats.istats.dtim++;
423 if (status & ATH9K_INT_TSFOOR)
424 sc->debug.stats.istats.tsfoor++;
425 if (status & ATH9K_INT_MCI)
426 sc->debug.stats.istats.mci++;
427 if (status & ATH9K_INT_GENTIMER)
428 sc->debug.stats.istats.gen_timer++;
429 }
430
431 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
432 size_t count, loff_t *ppos)
433 {
434 struct ath_softc *sc = file->private_data;
435 unsigned int len = 0;
436 int rv;
437 int mxlen = 4000;
438 char *buf = kmalloc(mxlen, GFP_KERNEL);
439 if (!buf)
440 return -ENOMEM;
441
442 #define PR_IS(a, s) \
443 do { \
444 len += snprintf(buf + len, mxlen - len, \
445 "%21s: %10u\n", a, \
446 sc->debug.stats.istats.s); \
447 } while (0)
448
449 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
450 PR_IS("RXLP", rxlp);
451 PR_IS("RXHP", rxhp);
452 PR_IS("WATHDOG", bb_watchdog);
453 } else {
454 PR_IS("RX", rxok);
455 }
456 PR_IS("RXEOL", rxeol);
457 PR_IS("RXORN", rxorn);
458 PR_IS("TX", txok);
459 PR_IS("TXURN", txurn);
460 PR_IS("MIB", mib);
461 PR_IS("RXPHY", rxphyerr);
462 PR_IS("RXKCM", rx_keycache_miss);
463 PR_IS("SWBA", swba);
464 PR_IS("BMISS", bmiss);
465 PR_IS("BNR", bnr);
466 PR_IS("CST", cst);
467 PR_IS("GTT", gtt);
468 PR_IS("TIM", tim);
469 PR_IS("CABEND", cabend);
470 PR_IS("DTIMSYNC", dtimsync);
471 PR_IS("DTIM", dtim);
472 PR_IS("TSFOOR", tsfoor);
473 PR_IS("MCI", mci);
474 PR_IS("GENTIMER", gen_timer);
475 PR_IS("TOTAL", total);
476
477 len += snprintf(buf + len, mxlen - len,
478 "SYNC_CAUSE stats:\n");
479
480 PR_IS("Sync-All", sync_cause_all);
481 PR_IS("RTC-IRQ", sync_rtc_irq);
482 PR_IS("MAC-IRQ", sync_mac_irq);
483 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
484 PR_IS("APB-Timeout", apb_timeout);
485 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
486 PR_IS("HOST1-Fatal", host1_fatal);
487 PR_IS("HOST1-Perr", host1_perr);
488 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
489 PR_IS("RADM-CPL-EP", radm_cpl_ep);
490 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
491 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
492 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
493 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
494 PR_IS("Local-Bus-Timeout", local_timeout);
495 PR_IS("PM-Access", pm_access);
496 PR_IS("MAC-Awake", mac_awake);
497 PR_IS("MAC-Asleep", mac_asleep);
498 PR_IS("MAC-Sleep-Access", mac_sleep_access);
499
500 if (len > mxlen)
501 len = mxlen;
502
503 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
504 kfree(buf);
505 return rv;
506 }
507
508 static const struct file_operations fops_interrupt = {
509 .read = read_file_interrupt,
510 .open = simple_open,
511 .owner = THIS_MODULE,
512 .llseek = default_llseek,
513 };
514
515 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
516 size_t count, loff_t *ppos)
517 {
518 struct ath_softc *sc = file->private_data;
519 char *buf;
520 unsigned int len = 0, size = 2048;
521 ssize_t retval = 0;
522
523 buf = kzalloc(size, GFP_KERNEL);
524 if (buf == NULL)
525 return -ENOMEM;
526
527 len += sprintf(buf, "%30s %10s%10s%10s\n\n",
528 "BE", "BK", "VI", "VO");
529
530 PR("MPDUs Queued: ", queued);
531 PR("MPDUs Completed: ", completed);
532 PR("MPDUs XRetried: ", xretries);
533 PR("Aggregates: ", a_aggr);
534 PR("AMPDUs Queued HW:", a_queued_hw);
535 PR("AMPDUs Queued SW:", a_queued_sw);
536 PR("AMPDUs Completed:", a_completed);
537 PR("AMPDUs Retried: ", a_retries);
538 PR("AMPDUs XRetried: ", a_xretries);
539 PR("FIFO Underrun: ", fifo_underrun);
540 PR("TXOP Exceeded: ", xtxop);
541 PR("TXTIMER Expiry: ", timer_exp);
542 PR("DESC CFG Error: ", desc_cfg_err);
543 PR("DATA Underrun: ", data_underrun);
544 PR("DELIM Underrun: ", delim_underrun);
545 PR("TX-Pkts-All: ", tx_pkts_all);
546 PR("TX-Bytes-All: ", tx_bytes_all);
547 PR("HW-put-tx-buf: ", puttxbuf);
548 PR("HW-tx-start: ", txstart);
549 PR("HW-tx-proc-desc: ", txprocdesc);
550 PR("TX-Failed: ", txfailed);
551
552 if (len > size)
553 len = size;
554
555 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
556 kfree(buf);
557
558 return retval;
559 }
560
561 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
562 size_t count, loff_t *ppos)
563 {
564 struct ath_softc *sc = file->private_data;
565 struct ath_txq *txq;
566 char *buf;
567 unsigned int len = 0, size = 1024;
568 ssize_t retval = 0;
569 int i;
570 char *qname[4] = {"VO", "VI", "BE", "BK"};
571
572 buf = kzalloc(size, GFP_KERNEL);
573 if (buf == NULL)
574 return -ENOMEM;
575
576 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
577 txq = sc->tx.txq_map[i];
578 len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
579
580 ath_txq_lock(sc, txq);
581
582 len += snprintf(buf + len, size - len, "%s: %d ",
583 "qnum", txq->axq_qnum);
584 len += snprintf(buf + len, size - len, "%s: %2d ",
585 "qdepth", txq->axq_depth);
586 len += snprintf(buf + len, size - len, "%s: %2d ",
587 "ampdu-depth", txq->axq_ampdu_depth);
588 len += snprintf(buf + len, size - len, "%s: %3d ",
589 "pending", txq->pending_frames);
590 len += snprintf(buf + len, size - len, "%s: %d\n",
591 "stopped", txq->stopped);
592
593 ath_txq_unlock(sc, txq);
594 }
595
596 if (len > size)
597 len = size;
598
599 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
600 kfree(buf);
601
602 return retval;
603 }
604
605 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
606 size_t count, loff_t *ppos)
607 {
608 struct ath_softc *sc = file->private_data;
609 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
610 struct ieee80211_hw *hw = sc->hw;
611 struct ath9k_vif_iter_data iter_data;
612 char buf[512];
613 unsigned int len = 0;
614 ssize_t retval = 0;
615 unsigned int reg;
616 u32 rxfilter;
617
618 len += snprintf(buf + len, sizeof(buf) - len,
619 "BSSID: %pM\n", common->curbssid);
620 len += snprintf(buf + len, sizeof(buf) - len,
621 "BSSID-MASK: %pM\n", common->bssidmask);
622 len += snprintf(buf + len, sizeof(buf) - len,
623 "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
624
625 ath9k_ps_wakeup(sc);
626 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
627 ath9k_ps_restore(sc);
628
629 len += snprintf(buf + len, sizeof(buf) - len,
630 "RXFILTER: 0x%x", rxfilter);
631
632 if (rxfilter & ATH9K_RX_FILTER_UCAST)
633 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
634 if (rxfilter & ATH9K_RX_FILTER_MCAST)
635 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
636 if (rxfilter & ATH9K_RX_FILTER_BCAST)
637 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
638 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
639 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
640 if (rxfilter & ATH9K_RX_FILTER_BEACON)
641 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
642 if (rxfilter & ATH9K_RX_FILTER_PROM)
643 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
644 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
645 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
646 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
647 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
648 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
649 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
650 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
651 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
652 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
653 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
654 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
655 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
656 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
657 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
658 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
659 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
660
661 len += snprintf(buf + len, sizeof(buf) - len, "\n");
662
663 reg = sc->sc_ah->imask;
664
665 len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
666
667 if (reg & ATH9K_INT_SWBA)
668 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
669 if (reg & ATH9K_INT_BMISS)
670 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
671 if (reg & ATH9K_INT_CST)
672 len += snprintf(buf + len, sizeof(buf) - len, " CST");
673 if (reg & ATH9K_INT_RX)
674 len += snprintf(buf + len, sizeof(buf) - len, " RX");
675 if (reg & ATH9K_INT_RXHP)
676 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
677 if (reg & ATH9K_INT_RXLP)
678 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
679 if (reg & ATH9K_INT_BB_WATCHDOG)
680 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
681
682 len += snprintf(buf + len, sizeof(buf) - len, "\n");
683
684 ath9k_calculate_iter_data(hw, NULL, &iter_data);
685
686 len += snprintf(buf + len, sizeof(buf) - len,
687 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
688 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
689 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
690 iter_data.nwds, iter_data.nadhocs,
691 sc->nvifs, sc->nbcnvifs);
692
693 if (len > sizeof(buf))
694 len = sizeof(buf);
695
696 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
697 return retval;
698 }
699
700 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
701 size_t count, loff_t *ppos)
702 {
703 struct ath_softc *sc = file->private_data;
704 char buf[512];
705 unsigned int len = 0;
706
707 len += snprintf(buf + len, sizeof(buf) - len,
708 "%17s: %2d\n", "Baseband Hang",
709 sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
710 len += snprintf(buf + len, sizeof(buf) - len,
711 "%17s: %2d\n", "Baseband Watchdog",
712 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
713 len += snprintf(buf + len, sizeof(buf) - len,
714 "%17s: %2d\n", "Fatal HW Error",
715 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
716 len += snprintf(buf + len, sizeof(buf) - len,
717 "%17s: %2d\n", "TX HW error",
718 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
719 len += snprintf(buf + len, sizeof(buf) - len,
720 "%17s: %2d\n", "TX Path Hang",
721 sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
722 len += snprintf(buf + len, sizeof(buf) - len,
723 "%17s: %2d\n", "PLL RX Hang",
724 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
725 len += snprintf(buf + len, sizeof(buf) - len,
726 "%17s: %2d\n", "MCI Reset",
727 sc->debug.stats.reset[RESET_TYPE_MCI]);
728
729 if (len > sizeof(buf))
730 len = sizeof(buf);
731
732 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
733 }
734
735 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
736 struct ath_tx_status *ts, struct ath_txq *txq,
737 unsigned int flags)
738 {
739 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
740 [sc->debug.tsidx].c)
741 int qnum = txq->axq_qnum;
742
743 TX_STAT_INC(qnum, tx_pkts_all);
744 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
745
746 if (bf_isampdu(bf)) {
747 if (flags & ATH_TX_ERROR)
748 TX_STAT_INC(qnum, a_xretries);
749 else
750 TX_STAT_INC(qnum, a_completed);
751 } else {
752 if (ts->ts_status & ATH9K_TXERR_XRETRY)
753 TX_STAT_INC(qnum, xretries);
754 else
755 TX_STAT_INC(qnum, completed);
756 }
757
758 if (ts->ts_status & ATH9K_TXERR_FIFO)
759 TX_STAT_INC(qnum, fifo_underrun);
760 if (ts->ts_status & ATH9K_TXERR_XTXOP)
761 TX_STAT_INC(qnum, xtxop);
762 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
763 TX_STAT_INC(qnum, timer_exp);
764 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
765 TX_STAT_INC(qnum, desc_cfg_err);
766 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
767 TX_STAT_INC(qnum, data_underrun);
768 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
769 TX_STAT_INC(qnum, delim_underrun);
770
771 #ifdef CONFIG_ATH9K_MAC_DEBUG
772 spin_lock(&sc->debug.samp_lock);
773 TX_SAMP_DBG(jiffies) = jiffies;
774 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
775 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
776 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
777 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
778 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
779 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
780 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
781 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
782 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
783 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
784 TX_SAMP_DBG(rssi) = ts->ts_rssi;
785 TX_SAMP_DBG(tid) = ts->tid;
786 TX_SAMP_DBG(qid) = ts->qid;
787
788 if (ts->ts_flags & ATH9K_TX_BA) {
789 TX_SAMP_DBG(ba_low) = ts->ba_low;
790 TX_SAMP_DBG(ba_high) = ts->ba_high;
791 } else {
792 TX_SAMP_DBG(ba_low) = 0;
793 TX_SAMP_DBG(ba_high) = 0;
794 }
795
796 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
797 spin_unlock(&sc->debug.samp_lock);
798 #endif
799
800 #undef TX_SAMP_DBG
801 }
802
803 static const struct file_operations fops_xmit = {
804 .read = read_file_xmit,
805 .open = simple_open,
806 .owner = THIS_MODULE,
807 .llseek = default_llseek,
808 };
809
810 static const struct file_operations fops_queues = {
811 .read = read_file_queues,
812 .open = simple_open,
813 .owner = THIS_MODULE,
814 .llseek = default_llseek,
815 };
816
817 static const struct file_operations fops_misc = {
818 .read = read_file_misc,
819 .open = simple_open,
820 .owner = THIS_MODULE,
821 .llseek = default_llseek,
822 };
823
824 static const struct file_operations fops_reset = {
825 .read = read_file_reset,
826 .open = simple_open,
827 .owner = THIS_MODULE,
828 .llseek = default_llseek,
829 };
830
831 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
832 size_t count, loff_t *ppos)
833 {
834 #define PHY_ERR(s, p) \
835 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
836 sc->debug.stats.rxstats.phy_err_stats[p]);
837
838 #define RXS_ERR(s, e) \
839 do { \
840 len += snprintf(buf + len, size - len, \
841 "%22s : %10u\n", s, \
842 sc->debug.stats.rxstats.e); \
843 } while (0)
844
845 struct ath_softc *sc = file->private_data;
846 char *buf;
847 unsigned int len = 0, size = 1600;
848 ssize_t retval = 0;
849
850 buf = kzalloc(size, GFP_KERNEL);
851 if (buf == NULL)
852 return -ENOMEM;
853
854 RXS_ERR("CRC ERR", crc_err);
855 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
856 RXS_ERR("PHY ERR", phy_err);
857 RXS_ERR("MIC ERR", mic_err);
858 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
859 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
860 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
861 RXS_ERR("RX-LENGTH-ERR", rx_len_err);
862 RXS_ERR("RX-OOM-ERR", rx_oom_err);
863 RXS_ERR("RX-RATE-ERR", rx_rate_err);
864 RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
865 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
866
867 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
868 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
869 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
870 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
871 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
872 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
873 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
874 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
875 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
876 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
877 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
878 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
879 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
880 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
881 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
882 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
883 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
884 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
885 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
886 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
887 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
888 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
889 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
890 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
891 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
892 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
893
894 RXS_ERR("RX-Pkts-All", rx_pkts_all);
895 RXS_ERR("RX-Bytes-All", rx_bytes_all);
896 RXS_ERR("RX-Beacons", rx_beacons);
897 RXS_ERR("RX-Frags", rx_frags);
898
899 if (len > size)
900 len = size;
901
902 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
903 kfree(buf);
904
905 return retval;
906
907 #undef RXS_ERR
908 #undef PHY_ERR
909 }
910
911 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
912 {
913 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
914 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
915 [sc->debug.rsidx].c)
916
917 RX_STAT_INC(rx_pkts_all);
918 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
919
920 if (rs->rs_status & ATH9K_RXERR_CRC)
921 RX_STAT_INC(crc_err);
922 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
923 RX_STAT_INC(decrypt_crc_err);
924 if (rs->rs_status & ATH9K_RXERR_MIC)
925 RX_STAT_INC(mic_err);
926 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
927 RX_STAT_INC(pre_delim_crc_err);
928 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
929 RX_STAT_INC(post_delim_crc_err);
930 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
931 RX_STAT_INC(decrypt_busy_err);
932
933 if (rs->rs_status & ATH9K_RXERR_PHY) {
934 RX_STAT_INC(phy_err);
935 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
936 RX_PHY_ERR_INC(rs->rs_phyerr);
937 }
938
939 #ifdef CONFIG_ATH9K_MAC_DEBUG
940 spin_lock(&sc->debug.samp_lock);
941 RX_SAMP_DBG(jiffies) = jiffies;
942 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
943 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
944 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
945 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
946 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
947 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
948 RX_SAMP_DBG(antenna) = rs->rs_antenna;
949 RX_SAMP_DBG(rssi) = rs->rs_rssi;
950 RX_SAMP_DBG(rate) = rs->rs_rate;
951 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
952
953 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
954 spin_unlock(&sc->debug.samp_lock);
955
956 #endif
957
958 #undef RX_PHY_ERR_INC
959 #undef RX_SAMP_DBG
960 }
961
962 static const struct file_operations fops_recv = {
963 .read = read_file_recv,
964 .open = simple_open,
965 .owner = THIS_MODULE,
966 .llseek = default_llseek,
967 };
968
969 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
970 size_t count, loff_t *ppos)
971 {
972 struct ath_softc *sc = file->private_data;
973 char buf[32];
974 unsigned int len;
975
976 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
977 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
978 }
979
980 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
981 size_t count, loff_t *ppos)
982 {
983 struct ath_softc *sc = file->private_data;
984 unsigned long regidx;
985 char buf[32];
986 ssize_t len;
987
988 len = min(count, sizeof(buf) - 1);
989 if (copy_from_user(buf, user_buf, len))
990 return -EFAULT;
991
992 buf[len] = '\0';
993 if (strict_strtoul(buf, 0, &regidx))
994 return -EINVAL;
995
996 sc->debug.regidx = regidx;
997 return count;
998 }
999
1000 static const struct file_operations fops_regidx = {
1001 .read = read_file_regidx,
1002 .write = write_file_regidx,
1003 .open = simple_open,
1004 .owner = THIS_MODULE,
1005 .llseek = default_llseek,
1006 };
1007
1008 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1009 size_t count, loff_t *ppos)
1010 {
1011 struct ath_softc *sc = file->private_data;
1012 struct ath_hw *ah = sc->sc_ah;
1013 char buf[32];
1014 unsigned int len;
1015 u32 regval;
1016
1017 ath9k_ps_wakeup(sc);
1018 regval = REG_READ_D(ah, sc->debug.regidx);
1019 ath9k_ps_restore(sc);
1020 len = sprintf(buf, "0x%08x\n", regval);
1021 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1022 }
1023
1024 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1025 size_t count, loff_t *ppos)
1026 {
1027 struct ath_softc *sc = file->private_data;
1028 struct ath_hw *ah = sc->sc_ah;
1029 unsigned long regval;
1030 char buf[32];
1031 ssize_t len;
1032
1033 len = min(count, sizeof(buf) - 1);
1034 if (copy_from_user(buf, user_buf, len))
1035 return -EFAULT;
1036
1037 buf[len] = '\0';
1038 if (strict_strtoul(buf, 0, &regval))
1039 return -EINVAL;
1040
1041 ath9k_ps_wakeup(sc);
1042 REG_WRITE_D(ah, sc->debug.regidx, regval);
1043 ath9k_ps_restore(sc);
1044 return count;
1045 }
1046
1047 static const struct file_operations fops_regval = {
1048 .read = read_file_regval,
1049 .write = write_file_regval,
1050 .open = simple_open,
1051 .owner = THIS_MODULE,
1052 .llseek = default_llseek,
1053 };
1054
1055 #define REGDUMP_LINE_SIZE 20
1056
1057 static int open_file_regdump(struct inode *inode, struct file *file)
1058 {
1059 struct ath_softc *sc = inode->i_private;
1060 unsigned int len = 0;
1061 u8 *buf;
1062 int i;
1063 unsigned long num_regs, regdump_len, max_reg_offset;
1064
1065 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1066 num_regs = max_reg_offset / 4 + 1;
1067 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1068 buf = vmalloc(regdump_len);
1069 if (!buf)
1070 return -ENOMEM;
1071
1072 ath9k_ps_wakeup(sc);
1073 for (i = 0; i < num_regs; i++)
1074 len += scnprintf(buf + len, regdump_len - len,
1075 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1076 ath9k_ps_restore(sc);
1077
1078 file->private_data = buf;
1079
1080 return 0;
1081 }
1082
1083 static const struct file_operations fops_regdump = {
1084 .open = open_file_regdump,
1085 .read = ath9k_debugfs_read_buf,
1086 .release = ath9k_debugfs_release_buf,
1087 .owner = THIS_MODULE,
1088 .llseek = default_llseek,/* read accesses f_pos */
1089 };
1090
1091 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1092 size_t count, loff_t *ppos)
1093 {
1094 struct ath_softc *sc = file->private_data;
1095 struct ath_hw *ah = sc->sc_ah;
1096 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1097 struct ath_common *common = ath9k_hw_common(ah);
1098 struct ieee80211_conf *conf = &common->hw->conf;
1099 u32 len = 0, size = 1500;
1100 u32 i, j;
1101 ssize_t retval = 0;
1102 char *buf;
1103 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1104 u8 nread;
1105
1106 buf = kzalloc(size, GFP_KERNEL);
1107 if (!buf)
1108 return -ENOMEM;
1109
1110 len += snprintf(buf + len, size - len,
1111 "Channel Noise Floor : %d\n", ah->noise);
1112 len += snprintf(buf + len, size - len,
1113 "Chain | privNF | # Readings | NF Readings\n");
1114 for (i = 0; i < NUM_NF_READINGS; i++) {
1115 if (!(chainmask & (1 << i)) ||
1116 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1117 continue;
1118
1119 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1120 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1121 i, h[i].privNF, nread);
1122 for (j = 0; j < nread; j++)
1123 len += snprintf(buf + len, size - len,
1124 " %d", h[i].nfCalBuffer[j]);
1125 len += snprintf(buf + len, size - len, "\n");
1126 }
1127
1128 if (len > size)
1129 len = size;
1130
1131 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1132 kfree(buf);
1133
1134 return retval;
1135 }
1136
1137 static const struct file_operations fops_dump_nfcal = {
1138 .read = read_file_dump_nfcal,
1139 .open = simple_open,
1140 .owner = THIS_MODULE,
1141 .llseek = default_llseek,
1142 };
1143
1144 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1145 size_t count, loff_t *ppos)
1146 {
1147 struct ath_softc *sc = file->private_data;
1148 struct ath_hw *ah = sc->sc_ah;
1149 u32 len = 0, size = 1500;
1150 ssize_t retval = 0;
1151 char *buf;
1152
1153 buf = kzalloc(size, GFP_KERNEL);
1154 if (!buf)
1155 return -ENOMEM;
1156
1157 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1158
1159 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1160 kfree(buf);
1161
1162 return retval;
1163 }
1164
1165 static const struct file_operations fops_base_eeprom = {
1166 .read = read_file_base_eeprom,
1167 .open = simple_open,
1168 .owner = THIS_MODULE,
1169 .llseek = default_llseek,
1170 };
1171
1172 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1173 size_t count, loff_t *ppos)
1174 {
1175 struct ath_softc *sc = file->private_data;
1176 struct ath_hw *ah = sc->sc_ah;
1177 u32 len = 0, size = 6000;
1178 char *buf;
1179 size_t retval;
1180
1181 buf = kzalloc(size, GFP_KERNEL);
1182 if (buf == NULL)
1183 return -ENOMEM;
1184
1185 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1186
1187 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1188 kfree(buf);
1189
1190 return retval;
1191 }
1192
1193 static const struct file_operations fops_modal_eeprom = {
1194 .read = read_file_modal_eeprom,
1195 .open = simple_open,
1196 .owner = THIS_MODULE,
1197 .llseek = default_llseek,
1198 };
1199
1200 #ifdef CONFIG_ATH9K_MAC_DEBUG
1201
1202 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1203 {
1204 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1205 struct ath_hw *ah = sc->sc_ah;
1206 struct ath_common *common = ath9k_hw_common(ah);
1207 unsigned long flags;
1208 int i;
1209
1210 ath9k_ps_wakeup(sc);
1211
1212 spin_lock_bh(&sc->debug.samp_lock);
1213
1214 spin_lock_irqsave(&common->cc_lock, flags);
1215 ath_hw_cycle_counters_update(common);
1216
1217 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1218 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1219 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1220 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1221 spin_unlock_irqrestore(&common->cc_lock, flags);
1222
1223 ATH_SAMP_DBG(noise) = ah->noise;
1224
1225 REG_WRITE_D(ah, AR_MACMISC,
1226 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1227 (AR_MACMISC_MISC_OBS_BUS_1 <<
1228 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1229
1230 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1231 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1232 AR_DMADBG_0 + (i * sizeof(u32)));
1233
1234 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1235 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1236
1237 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1238 sizeof(ATH_SAMP_DBG(nfCalHist)));
1239
1240 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1241 spin_unlock_bh(&sc->debug.samp_lock);
1242 ath9k_ps_restore(sc);
1243
1244 #undef ATH_SAMP_DBG
1245 }
1246
1247 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1248 {
1249 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1250 struct ath_softc *sc = inode->i_private;
1251 struct ath_hw *ah = sc->sc_ah;
1252 struct ath_common *common = ath9k_hw_common(ah);
1253 struct ieee80211_conf *conf = &common->hw->conf;
1254 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1255 struct ath9k_nfcal_hist *h;
1256 int i, j, qcuOffset = 0, dcuOffset = 0;
1257 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1258 u32 sampidx = 0;
1259 u8 *buf;
1260 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1261 u8 nread;
1262
1263 if (test_bit(SC_OP_INVALID, &sc->sc_flags))
1264 return -EAGAIN;
1265
1266 buf = vmalloc(size);
1267 if (!buf)
1268 return -ENOMEM;
1269 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1270 if (!bb_mac_samp) {
1271 vfree(buf);
1272 return -ENOMEM;
1273 }
1274 /* Account the current state too */
1275 ath9k_debug_samp_bb_mac(sc);
1276
1277 spin_lock_bh(&sc->debug.samp_lock);
1278 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1279 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1280 len += snprintf(buf + len, size - len,
1281 "Current Sample Index: %d\n", sc->debug.sampidx);
1282 spin_unlock_bh(&sc->debug.samp_lock);
1283
1284 len += snprintf(buf + len, size - len,
1285 "Raw DMA Debug Dump:\n");
1286 len += snprintf(buf + len, size - len, "Sample |\t");
1287 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1288 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1289 len += snprintf(buf + len, size - len, "\n");
1290
1291 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1292 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1293
1294 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1295 len += snprintf(buf + len, size - len, " %08x\t",
1296 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1297 len += snprintf(buf + len, size - len, "\n");
1298 }
1299 len += snprintf(buf + len, size - len, "\n");
1300
1301 len += snprintf(buf + len, size - len,
1302 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1303 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1304 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1305 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1306
1307 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1308 qcuOffset += 4, dcuOffset += 5) {
1309 if (i == 8) {
1310 qcuOffset = 0;
1311 qcuBase++;
1312 }
1313
1314 if (i == 6) {
1315 dcuOffset = 0;
1316 dcuBase++;
1317 }
1318 if (!sc->debug.stats.txstats[i].queued)
1319 continue;
1320
1321 len += snprintf(buf + len, size - len,
1322 "%4d %7d %2x %1x %2x %2x\n",
1323 sampidx, i,
1324 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1325 (*qcuBase & (0x8 << qcuOffset)) >>
1326 (qcuOffset + 3),
1327 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1328 (0x7 << (i * 3)) >> (i * 3),
1329 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1330 }
1331 len += snprintf(buf + len, size - len, "\n");
1332 }
1333 len += snprintf(buf + len, size - len,
1334 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1335 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1336 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1337
1338 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1339 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1340 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1341
1342 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1343 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1344 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1345 len += snprintf(buf + len, size - len, "%7x %8x ",
1346 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1347 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1348 len += snprintf(buf + len, size - len, "%7x %7x ",
1349 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1350 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1351 len += snprintf(buf + len, size - len, "%7d %12d ",
1352 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1353 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1354 len += snprintf(buf + len, size - len, "%12d %12d ",
1355 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1356 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1357 len += snprintf(buf + len, size - len, "%12d %12d ",
1358 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1359 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1360 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1361 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1362 }
1363
1364 len += snprintf(buf + len, size - len,
1365 "Sample ChNoise Chain privNF #Reading Readings\n");
1366 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1367 h = ATH_SAMP_DBG(nfCalHist);
1368 if (!ATH_SAMP_DBG(noise))
1369 continue;
1370
1371 for (i = 0; i < NUM_NF_READINGS; i++) {
1372 if (!(chainmask & (1 << i)) ||
1373 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1374 continue;
1375
1376 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1377 h[i].invalidNFcount;
1378 len += snprintf(buf + len, size - len,
1379 "%4d %5d %4d\t %d\t %d\t",
1380 sampidx, ATH_SAMP_DBG(noise),
1381 i, h[i].privNF, nread);
1382 for (j = 0; j < nread; j++)
1383 len += snprintf(buf + len, size - len,
1384 " %d", h[i].nfCalBuffer[j]);
1385 len += snprintf(buf + len, size - len, "\n");
1386 }
1387 }
1388 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1389 "Sample Total Rxbusy Rxframes Txframes\n");
1390 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1391 if (!ATH_SAMP_DBG(cc.cycles))
1392 continue;
1393 len += snprintf(buf + len, size - len,
1394 "%4d %08x %08x %08x %08x\n",
1395 sampidx, ATH_SAMP_DBG(cc.cycles),
1396 ATH_SAMP_DBG(cc.rx_busy),
1397 ATH_SAMP_DBG(cc.rx_frame),
1398 ATH_SAMP_DBG(cc.tx_frame));
1399 }
1400
1401 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1402 len += snprintf(buf + len, size - len,
1403 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1404 "isok rts_fail data_fail rate tid qid "
1405 "ba_low ba_high tx_before(ms)\n");
1406 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1407 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1408 if (!ATH_SAMP_DBG(ts[i].jiffies))
1409 continue;
1410 len += snprintf(buf + len, size - len, "%-14d"
1411 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1412 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1413 sampidx,
1414 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1415 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1416 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1417 ATH_SAMP_DBG(ts[i].rssi_ext0),
1418 ATH_SAMP_DBG(ts[i].rssi_ext1),
1419 ATH_SAMP_DBG(ts[i].rssi_ext2),
1420 ATH_SAMP_DBG(ts[i].rssi),
1421 ATH_SAMP_DBG(ts[i].isok),
1422 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1423 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1424 ATH_SAMP_DBG(ts[i].rateindex),
1425 ATH_SAMP_DBG(ts[i].tid),
1426 ATH_SAMP_DBG(ts[i].qid),
1427 ATH_SAMP_DBG(ts[i].ba_low),
1428 ATH_SAMP_DBG(ts[i].ba_high),
1429 jiffies_to_msecs(jiffies -
1430 ATH_SAMP_DBG(ts[i].jiffies)));
1431 }
1432 }
1433
1434 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1435 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1436 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1437 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1438 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1439 if (!ATH_SAMP_DBG(rs[i].jiffies))
1440 continue;
1441 len += snprintf(buf + len, size - len, "%-14d"
1442 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1443 sampidx,
1444 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1445 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1446 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1447 ATH_SAMP_DBG(rs[i].rssi_ext0),
1448 ATH_SAMP_DBG(rs[i].rssi_ext1),
1449 ATH_SAMP_DBG(rs[i].rssi_ext2),
1450 ATH_SAMP_DBG(rs[i].rssi),
1451 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1452 "True" : "False",
1453 ATH_SAMP_DBG(rs[i].antenna),
1454 ATH_SAMP_DBG(rs[i].rate),
1455 jiffies_to_msecs(jiffies -
1456 ATH_SAMP_DBG(rs[i].jiffies)));
1457 }
1458 }
1459
1460 vfree(bb_mac_samp);
1461 file->private_data = buf;
1462
1463 return 0;
1464 #undef ATH_SAMP_DBG
1465 }
1466
1467 static const struct file_operations fops_samps = {
1468 .open = open_file_bb_mac_samps,
1469 .read = ath9k_debugfs_read_buf,
1470 .release = ath9k_debugfs_release_buf,
1471 .owner = THIS_MODULE,
1472 .llseek = default_llseek,
1473 };
1474
1475 #endif
1476
1477 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1478 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1479 size_t count, loff_t *ppos)
1480 {
1481 struct ath_softc *sc = file->private_data;
1482 u32 len = 0, size = 1500;
1483 char *buf;
1484 size_t retval;
1485
1486 buf = kzalloc(size, GFP_KERNEL);
1487 if (buf == NULL)
1488 return -ENOMEM;
1489
1490 if (!sc->sc_ah->common.btcoex_enabled) {
1491 len = snprintf(buf, size, "%s\n",
1492 "BTCOEX is disabled");
1493 goto exit;
1494 }
1495
1496 len = ath9k_dump_btcoex(sc, buf, size);
1497 exit:
1498 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1499 kfree(buf);
1500
1501 return retval;
1502 }
1503
1504 static const struct file_operations fops_btcoex = {
1505 .read = read_file_btcoex,
1506 .open = simple_open,
1507 .owner = THIS_MODULE,
1508 .llseek = default_llseek,
1509 };
1510 #endif
1511
1512 static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
1513 size_t count, loff_t *ppos)
1514 {
1515 struct ath_node *an = file->private_data;
1516 struct ath_softc *sc = an->sc;
1517 struct ath_atx_tid *tid;
1518 struct ath_atx_ac *ac;
1519 struct ath_txq *txq;
1520 u32 len = 0, size = 4096;
1521 char *buf;
1522 size_t retval;
1523 int tidno, acno;
1524
1525 buf = kzalloc(size, GFP_KERNEL);
1526 if (buf == NULL)
1527 return -ENOMEM;
1528
1529 if (!an->sta->ht_cap.ht_supported) {
1530 len = snprintf(buf, size, "%s\n",
1531 "HT not supported");
1532 goto exit;
1533 }
1534
1535 len = snprintf(buf, size, "Max-AMPDU: %d\n",
1536 an->maxampdu);
1537 len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
1538 an->mpdudensity);
1539
1540 len += snprintf(buf + len, size - len,
1541 "%2s%7s\n", "AC", "SCHED");
1542
1543 for (acno = 0, ac = &an->ac[acno];
1544 acno < IEEE80211_NUM_ACS; acno++, ac++) {
1545 txq = ac->txq;
1546 ath_txq_lock(sc, txq);
1547 len += snprintf(buf + len, size - len,
1548 "%2d%7d\n",
1549 acno, ac->sched);
1550 ath_txq_unlock(sc, txq);
1551 }
1552
1553 len += snprintf(buf + len, size - len,
1554 "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
1555 "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
1556 "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
1557
1558 for (tidno = 0, tid = &an->tid[tidno];
1559 tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
1560 txq = tid->ac->txq;
1561 ath_txq_lock(sc, txq);
1562 len += snprintf(buf + len, size - len,
1563 "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
1564 tid->tidno, tid->seq_start, tid->seq_next,
1565 tid->baw_size, tid->baw_head, tid->baw_tail,
1566 tid->bar_index, tid->sched, tid->paused);
1567 ath_txq_unlock(sc, txq);
1568 }
1569 exit:
1570 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1571 kfree(buf);
1572
1573 return retval;
1574 }
1575
1576 static const struct file_operations fops_node_stat = {
1577 .read = read_file_node_stat,
1578 .open = simple_open,
1579 .owner = THIS_MODULE,
1580 .llseek = default_llseek,
1581 };
1582
1583 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
1584 struct ieee80211_vif *vif,
1585 struct ieee80211_sta *sta,
1586 struct dentry *dir)
1587 {
1588 struct ath_node *an = (struct ath_node *)sta->drv_priv;
1589 an->node_stat = debugfs_create_file("node_stat", S_IRUGO,
1590 dir, an, &fops_node_stat);
1591 }
1592
1593 void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
1594 struct ieee80211_vif *vif,
1595 struct ieee80211_sta *sta,
1596 struct dentry *dir)
1597 {
1598 struct ath_node *an = (struct ath_node *)sta->drv_priv;
1599 debugfs_remove(an->node_stat);
1600 }
1601
1602 /* Ethtool support for get-stats */
1603
1604 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1605 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1606 "tx_pkts_nic",
1607 "tx_bytes_nic",
1608 "rx_pkts_nic",
1609 "rx_bytes_nic",
1610 AMKSTR(d_tx_pkts),
1611 AMKSTR(d_tx_bytes),
1612 AMKSTR(d_tx_mpdus_queued),
1613 AMKSTR(d_tx_mpdus_completed),
1614 AMKSTR(d_tx_mpdu_xretries),
1615 AMKSTR(d_tx_aggregates),
1616 AMKSTR(d_tx_ampdus_queued_hw),
1617 AMKSTR(d_tx_ampdus_queued_sw),
1618 AMKSTR(d_tx_ampdus_completed),
1619 AMKSTR(d_tx_ampdu_retries),
1620 AMKSTR(d_tx_ampdu_xretries),
1621 AMKSTR(d_tx_fifo_underrun),
1622 AMKSTR(d_tx_op_exceeded),
1623 AMKSTR(d_tx_timer_expiry),
1624 AMKSTR(d_tx_desc_cfg_err),
1625 AMKSTR(d_tx_data_underrun),
1626 AMKSTR(d_tx_delim_underrun),
1627 "d_rx_decrypt_crc_err",
1628 "d_rx_phy_err",
1629 "d_rx_mic_err",
1630 "d_rx_pre_delim_crc_err",
1631 "d_rx_post_delim_crc_err",
1632 "d_rx_decrypt_busy_err",
1633
1634 "d_rx_phyerr_radar",
1635 "d_rx_phyerr_ofdm_timing",
1636 "d_rx_phyerr_cck_timing",
1637
1638 };
1639 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1640
1641 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1642 struct ieee80211_vif *vif,
1643 u32 sset, u8 *data)
1644 {
1645 if (sset == ETH_SS_STATS)
1646 memcpy(data, *ath9k_gstrings_stats,
1647 sizeof(ath9k_gstrings_stats));
1648 }
1649
1650 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1651 struct ieee80211_vif *vif, int sset)
1652 {
1653 if (sset == ETH_SS_STATS)
1654 return ATH9K_SSTATS_LEN;
1655 return 0;
1656 }
1657
1658 #define AWDATA(elem) \
1659 do { \
1660 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1661 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1662 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1663 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1664 } while (0)
1665
1666 #define AWDATA_RX(elem) \
1667 do { \
1668 data[i++] = sc->debug.stats.rxstats.elem; \
1669 } while (0)
1670
1671 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1672 struct ieee80211_vif *vif,
1673 struct ethtool_stats *stats, u64 *data)
1674 {
1675 struct ath_softc *sc = hw->priv;
1676 int i = 0;
1677
1678 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1679 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1680 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1681 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1682 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1683 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1684 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1685 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1686 AWDATA_RX(rx_pkts_all);
1687 AWDATA_RX(rx_bytes_all);
1688
1689 AWDATA(tx_pkts_all);
1690 AWDATA(tx_bytes_all);
1691 AWDATA(queued);
1692 AWDATA(completed);
1693 AWDATA(xretries);
1694 AWDATA(a_aggr);
1695 AWDATA(a_queued_hw);
1696 AWDATA(a_queued_sw);
1697 AWDATA(a_completed);
1698 AWDATA(a_retries);
1699 AWDATA(a_xretries);
1700 AWDATA(fifo_underrun);
1701 AWDATA(xtxop);
1702 AWDATA(timer_exp);
1703 AWDATA(desc_cfg_err);
1704 AWDATA(data_underrun);
1705 AWDATA(delim_underrun);
1706
1707 AWDATA_RX(decrypt_crc_err);
1708 AWDATA_RX(phy_err);
1709 AWDATA_RX(mic_err);
1710 AWDATA_RX(pre_delim_crc_err);
1711 AWDATA_RX(post_delim_crc_err);
1712 AWDATA_RX(decrypt_busy_err);
1713
1714 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1715 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1716 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1717
1718 WARN_ON(i != ATH9K_SSTATS_LEN);
1719 }
1720
1721 int ath9k_init_debug(struct ath_hw *ah)
1722 {
1723 struct ath_common *common = ath9k_hw_common(ah);
1724 struct ath_softc *sc = (struct ath_softc *) common->priv;
1725
1726 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1727 sc->hw->wiphy->debugfsdir);
1728 if (!sc->debug.debugfs_phy)
1729 return -ENOMEM;
1730
1731 #ifdef CONFIG_ATH_DEBUG
1732 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1733 sc, &fops_debug);
1734 #endif
1735
1736 ath9k_dfs_init_debug(sc);
1737
1738 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1739 &fops_dma);
1740 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1741 &fops_interrupt);
1742 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1743 &fops_xmit);
1744 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1745 &fops_queues);
1746 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1747 &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1748 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1749 &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1750 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1751 &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1752 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1753 &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1754 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1755 &fops_misc);
1756 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1757 &fops_reset);
1758 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1759 &fops_recv);
1760 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1761 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1762 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1763 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1764 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1765 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1766 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1767 &sc->sc_ah->config.enable_paprd);
1768 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1769 sc, &fops_regidx);
1770 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1771 sc, &fops_regval);
1772 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1773 sc->debug.debugfs_phy,
1774 &ah->config.cwm_ignore_extcca);
1775 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1776 &fops_regdump);
1777 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1778 &fops_dump_nfcal);
1779 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1780 &fops_base_eeprom);
1781 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1782 &fops_modal_eeprom);
1783 #ifdef CONFIG_ATH9K_MAC_DEBUG
1784 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1785 &fops_samps);
1786 #endif
1787 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1788 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1789 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1790 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1791 debugfs_create_file("diversity", S_IRUSR | S_IWUSR,
1792 sc->debug.debugfs_phy, sc, &fops_ant_diversity);
1793 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1794 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1795 &fops_btcoex);
1796 #endif
1797 return 0;
1798 }
kernel source for telekom puls (alcatel/mediatek)