2 * Copyright (c) 2008-2011 Atheros Communications Inc.
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.
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.
17 #include <linux/slab.h>
18 #include <linux/vmalloc.h>
19 #include <linux/export.h>
20 #include <asm/unaligned.h>
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))
29 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
31 file->private_data = inode->i_private;
35 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
36 size_t count, loff_t *ppos)
38 u8 *buf = file->private_data;
39 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
42 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
44 vfree(file->private_data);
48 #ifdef CONFIG_ATH_DEBUG
50 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
51 size_t count, loff_t *ppos)
53 struct ath_softc *sc = file->private_data;
54 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
58 len = sprintf(buf, "0x%08x\n", common->debug_mask);
59 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
62 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
63 size_t count, loff_t *ppos)
65 struct ath_softc *sc = file->private_data;
66 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
71 len = min(count, sizeof(buf) - 1);
72 if (copy_from_user(buf, user_buf, len))
76 if (strict_strtoul(buf, 0, &mask))
79 common->debug_mask = mask;
83 static const struct file_operations fops_debug = {
84 .read = read_file_debug,
85 .write = write_file_debug,
86 .open = ath9k_debugfs_open,
88 .llseek = default_llseek,
93 #define DMA_BUF_LEN 1024
95 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
96 size_t count, loff_t *ppos)
98 struct ath_softc *sc = file->private_data;
99 struct ath_hw *ah = sc->sc_ah;
103 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
104 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
107 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
108 size_t count, loff_t *ppos)
110 struct ath_softc *sc = file->private_data;
111 struct ath_hw *ah = sc->sc_ah;
116 len = min(count, sizeof(buf) - 1);
117 if (copy_from_user(buf, user_buf, len))
121 if (strict_strtoul(buf, 0, &mask))
124 ah->txchainmask = mask;
125 ah->caps.tx_chainmask = mask;
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,
138 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
139 size_t count, loff_t *ppos)
141 struct ath_softc *sc = file->private_data;
142 struct ath_hw *ah = sc->sc_ah;
146 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
147 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
150 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
151 size_t count, loff_t *ppos)
153 struct ath_softc *sc = file->private_data;
154 struct ath_hw *ah = sc->sc_ah;
159 len = min(count, sizeof(buf) - 1);
160 if (copy_from_user(buf, user_buf, len))
164 if (strict_strtoul(buf, 0, &mask))
167 ah->rxchainmask = mask;
168 ah->caps.rx_chainmask = mask;
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,
180 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
181 size_t count, loff_t *ppos)
183 struct ath_softc *sc = file->private_data;
184 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
188 len = sprintf(buf, "%d\n", common->disable_ani);
189 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
192 static ssize_t write_file_disable_ani(struct file *file,
193 const char __user *user_buf,
194 size_t count, loff_t *ppos)
196 struct ath_softc *sc = file->private_data;
197 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
198 unsigned long disable_ani;
202 len = min(count, sizeof(buf) - 1);
203 if (copy_from_user(buf, user_buf, len))
207 if (strict_strtoul(buf, 0, &disable_ani))
210 common->disable_ani = !!disable_ani;
213 sc->sc_flags &= ~SC_OP_ANI_RUN;
214 del_timer_sync(&common->ani.timer);
216 sc->sc_flags |= SC_OP_ANI_RUN;
217 ath_start_ani(common);
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,
231 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
232 size_t count, loff_t *ppos)
234 struct ath_softc *sc = file->private_data;
235 struct ath_hw *ah = sc->sc_ah;
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];
243 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
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)));
254 len += snprintf(buf + len, DMA_BUF_LEN - len,
255 "Raw DMA Debug values:\n");
257 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
259 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
261 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
262 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
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");
270 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
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);
289 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
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);
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));
315 ath9k_ps_restore(sc);
317 if (len > DMA_BUF_LEN)
320 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
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,
333 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int 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++;
345 if (status & ATH9K_INT_RX)
346 sc->debug.stats.istats.rxok++;
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++;
384 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
385 size_t count, loff_t *ppos)
387 struct ath_softc *sc = file->private_data;
389 unsigned int len = 0;
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);
400 len += snprintf(buf + len, sizeof(buf) - len,
401 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
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);
441 if (len > sizeof(buf))
444 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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,
454 static const char *channel_type_str(enum nl80211_channel_type t)
457 case NL80211_CHAN_NO_HT:
459 case NL80211_CHAN_HT20:
461 case NL80211_CHAN_HT40MINUS:
463 case NL80211_CHAN_HT40PLUS:
470 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
471 size_t count, loff_t *ppos)
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);
477 unsigned int len = 0;
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),
487 channel_type_str(conf->channel_type));
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,
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");
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]);
544 if (len > sizeof(buf))
547 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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,
557 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
558 #define PR(str, elem) \
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); \
570 #define PRX(str, elem) \
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)); \
582 #define PRQLE(str, elem) \
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)); \
594 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
595 size_t count, loff_t *ppos)
597 struct ath_softc *sc = file->private_data;
599 unsigned int len = 0, size = 8000;
604 buf = kzalloc(size, GFP_KERNEL);
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");
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]);
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);
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]);
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;
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,
671 len += snprintf(buf + len, size - len,
672 "txq[%i] first-ac: %p sched: %i\n",
674 if (list_empty(&ac->tid_q) || (len >= size))
676 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
678 len += snprintf(buf + len, size - len,
679 " first-tid: %p sched: %i paused: %i\n",
680 tid, tid->sched, tid->paused);
683 spin_unlock_bh(&txq->axq_lock);
690 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
696 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
697 size_t count, loff_t *ppos)
699 struct ath_softc *sc = file->private_data;
701 unsigned int len = 0, size = 64000;
702 struct ath_node *an = NULL;
706 buf = kzalloc(size, GFP_KERNEL);
710 len += snprintf(buf + len, size - len,
712 " tid: addr sched paused buf_q-empty an ac\n"
713 " ac: addr sched tid_q-empty txq\n");
715 spin_lock(&sc->nodes_lock);
716 list_for_each_entry(an, &sc->nodes, list) {
717 len += snprintf(buf + len, size - len,
718 "%pM\n", an->sta->addr);
722 for (q = 0; q < WME_NUM_TID; q++) {
723 struct ath_atx_tid *tid = &(an->tid[q]);
724 len += snprintf(buf + len, size - len,
725 " tid: %p %s %s %i %p %p\n",
726 tid, tid->sched ? "sched" : "idle",
727 tid->paused ? "paused" : "running",
728 skb_queue_empty(&tid->buf_q),
734 for (q = 0; q < WME_NUM_AC; q++) {
735 struct ath_atx_ac *ac = &(an->ac[q]);
736 len += snprintf(buf + len, size - len,
737 " ac: %p %s %i %p\n",
738 ac, ac->sched ? "sched" : "idle",
739 list_empty(&ac->tid_q), ac->txq);
746 spin_unlock(&sc->nodes_lock);
750 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
756 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
757 size_t count, loff_t *ppos)
759 struct ath_softc *sc = file->private_data;
760 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
761 struct ath_hw *ah = sc->sc_ah;
762 struct ieee80211_hw *hw = sc->hw;
764 unsigned int len = 0, size = 8000;
767 struct ath9k_vif_iter_data iter_data;
769 ath9k_calculate_iter_data(hw, NULL, &iter_data);
771 buf = kzalloc(size, GFP_KERNEL);
776 len += snprintf(buf + len, size - len,
779 "Beacon-Timer-Register: 0x%x\n",
781 ath_opmode_to_string(sc->sc_ah->opmode),
782 (int)(sc->sc_ah->opmode),
783 REG_READ(ah, AR_BEACON_PERIOD));
785 reg = REG_READ(ah, AR_TIMER_MODE);
786 ath9k_ps_restore(sc);
787 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
789 if (reg & AR_TBTT_TIMER_EN)
790 len += snprintf(buf + len, size - len, "TBTT ");
791 if (reg & AR_DBA_TIMER_EN)
792 len += snprintf(buf + len, size - len, "DBA ");
793 if (reg & AR_SWBA_TIMER_EN)
794 len += snprintf(buf + len, size - len, "SWBA ");
795 if (reg & AR_HCF_TIMER_EN)
796 len += snprintf(buf + len, size - len, "HCF ");
797 if (reg & AR_TIM_TIMER_EN)
798 len += snprintf(buf + len, size - len, "TIM ");
799 if (reg & AR_DTIM_TIMER_EN)
800 len += snprintf(buf + len, size - len, "DTIM ");
801 len += snprintf(buf + len, size - len, ")\n");
803 reg = sc->sc_ah->imask;
804 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
805 if (reg & ATH9K_INT_SWBA)
806 len += snprintf(buf + len, size - len, "SWBA ");
807 if (reg & ATH9K_INT_BMISS)
808 len += snprintf(buf + len, size - len, "BMISS ");
809 if (reg & ATH9K_INT_CST)
810 len += snprintf(buf + len, size - len, "CST ");
811 if (reg & ATH9K_INT_RX)
812 len += snprintf(buf + len, size - len, "RX ");
813 if (reg & ATH9K_INT_RXHP)
814 len += snprintf(buf + len, size - len, "RXHP ");
815 if (reg & ATH9K_INT_RXLP)
816 len += snprintf(buf + len, size - len, "RXLP ");
817 if (reg & ATH9K_INT_BB_WATCHDOG)
818 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
819 /* there are other IRQs if one wanted to add them. */
820 len += snprintf(buf + len, size - len, ")\n");
822 len += snprintf(buf + len, size - len,
823 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
824 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
825 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
826 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
827 sc->nvifs, sc->nbcnvifs);
829 len += snprintf(buf + len, size - len,
830 "Calculated-BSSID-Mask: %pM\n",
836 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
842 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
843 struct ath_tx_status *ts, struct ath_txq *txq,
846 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
848 int qnum = txq->axq_qnum;
850 TX_STAT_INC(qnum, tx_pkts_all);
851 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
853 if (bf_isampdu(bf)) {
854 if (flags & ATH_TX_BAR)
855 TX_STAT_INC(qnum, a_xretries);
857 TX_STAT_INC(qnum, a_completed);
859 if (ts->ts_status & ATH9K_TXERR_XRETRY)
860 TX_STAT_INC(qnum, xretries);
862 TX_STAT_INC(qnum, completed);
865 if (ts->ts_status & ATH9K_TXERR_FIFO)
866 TX_STAT_INC(qnum, fifo_underrun);
867 if (ts->ts_status & ATH9K_TXERR_XTXOP)
868 TX_STAT_INC(qnum, xtxop);
869 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
870 TX_STAT_INC(qnum, timer_exp);
871 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
872 TX_STAT_INC(qnum, desc_cfg_err);
873 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
874 TX_STAT_INC(qnum, data_underrun);
875 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
876 TX_STAT_INC(qnum, delim_underrun);
878 spin_lock(&sc->debug.samp_lock);
879 TX_SAMP_DBG(jiffies) = jiffies;
880 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
881 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
882 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
883 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
884 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
885 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
886 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
887 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
888 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
889 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
890 TX_SAMP_DBG(rssi) = ts->ts_rssi;
891 TX_SAMP_DBG(tid) = ts->tid;
892 TX_SAMP_DBG(qid) = ts->qid;
894 if (ts->ts_flags & ATH9K_TX_BA) {
895 TX_SAMP_DBG(ba_low) = ts->ba_low;
896 TX_SAMP_DBG(ba_high) = ts->ba_high;
898 TX_SAMP_DBG(ba_low) = 0;
899 TX_SAMP_DBG(ba_high) = 0;
902 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
903 spin_unlock(&sc->debug.samp_lock);
908 static const struct file_operations fops_xmit = {
909 .read = read_file_xmit,
910 .open = ath9k_debugfs_open,
911 .owner = THIS_MODULE,
912 .llseek = default_llseek,
915 static const struct file_operations fops_stations = {
916 .read = read_file_stations,
917 .open = ath9k_debugfs_open,
918 .owner = THIS_MODULE,
919 .llseek = default_llseek,
922 static const struct file_operations fops_misc = {
923 .read = read_file_misc,
924 .open = ath9k_debugfs_open,
925 .owner = THIS_MODULE,
926 .llseek = default_llseek,
929 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
930 size_t count, loff_t *ppos)
932 #define PHY_ERR(s, p) \
933 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
934 sc->debug.stats.rxstats.phy_err_stats[p]);
936 struct ath_softc *sc = file->private_data;
938 unsigned int len = 0, size = 1400;
941 buf = kzalloc(size, GFP_KERNEL);
945 len += snprintf(buf + len, size - len,
946 "%18s : %10u\n", "CRC ERR",
947 sc->debug.stats.rxstats.crc_err);
948 len += snprintf(buf + len, size - len,
949 "%18s : %10u\n", "DECRYPT CRC ERR",
950 sc->debug.stats.rxstats.decrypt_crc_err);
951 len += snprintf(buf + len, size - len,
952 "%18s : %10u\n", "PHY ERR",
953 sc->debug.stats.rxstats.phy_err);
954 len += snprintf(buf + len, size - len,
955 "%18s : %10u\n", "MIC ERR",
956 sc->debug.stats.rxstats.mic_err);
957 len += snprintf(buf + len, size - len,
958 "%18s : %10u\n", "PRE-DELIM CRC ERR",
959 sc->debug.stats.rxstats.pre_delim_crc_err);
960 len += snprintf(buf + len, size - len,
961 "%18s : %10u\n", "POST-DELIM CRC ERR",
962 sc->debug.stats.rxstats.post_delim_crc_err);
963 len += snprintf(buf + len, size - len,
964 "%18s : %10u\n", "DECRYPT BUSY ERR",
965 sc->debug.stats.rxstats.decrypt_busy_err);
967 len += snprintf(buf + len, size - len,
968 "%18s : %10d\n", "RSSI-CTL0",
969 sc->debug.stats.rxstats.rs_rssi_ctl0);
971 len += snprintf(buf + len, size - len,
972 "%18s : %10d\n", "RSSI-CTL1",
973 sc->debug.stats.rxstats.rs_rssi_ctl1);
975 len += snprintf(buf + len, size - len,
976 "%18s : %10d\n", "RSSI-CTL2",
977 sc->debug.stats.rxstats.rs_rssi_ctl2);
979 len += snprintf(buf + len, size - len,
980 "%18s : %10d\n", "RSSI-EXT0",
981 sc->debug.stats.rxstats.rs_rssi_ext0);
983 len += snprintf(buf + len, size - len,
984 "%18s : %10d\n", "RSSI-EXT1",
985 sc->debug.stats.rxstats.rs_rssi_ext1);
987 len += snprintf(buf + len, size - len,
988 "%18s : %10d\n", "RSSI-EXT2",
989 sc->debug.stats.rxstats.rs_rssi_ext2);
991 len += snprintf(buf + len, size - len,
992 "%18s : %10d\n", "Rx Antenna",
993 sc->debug.stats.rxstats.rs_antenna);
995 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
996 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
997 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
998 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
999 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
1000 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
1001 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
1002 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
1003 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
1004 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
1005 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
1006 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
1007 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
1008 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
1009 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
1010 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
1011 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
1012 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
1013 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
1014 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
1015 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
1016 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1017 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
1018 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
1019 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1020 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1022 len += snprintf(buf + len, size - len,
1023 "%18s : %10u\n", "RX-Pkts-All",
1024 sc->debug.stats.rxstats.rx_pkts_all);
1025 len += snprintf(buf + len, size - len,
1026 "%18s : %10u\n", "RX-Bytes-All",
1027 sc->debug.stats.rxstats.rx_bytes_all);
1032 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1040 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1042 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1043 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1044 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1045 [sc->debug.rsidx].c)
1049 RX_STAT_INC(rx_pkts_all);
1050 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1052 if (rs->rs_status & ATH9K_RXERR_CRC)
1053 RX_STAT_INC(crc_err);
1054 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1055 RX_STAT_INC(decrypt_crc_err);
1056 if (rs->rs_status & ATH9K_RXERR_MIC)
1057 RX_STAT_INC(mic_err);
1058 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1059 RX_STAT_INC(pre_delim_crc_err);
1060 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1061 RX_STAT_INC(post_delim_crc_err);
1062 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1063 RX_STAT_INC(decrypt_busy_err);
1065 if (rs->rs_status & ATH9K_RXERR_PHY) {
1066 RX_STAT_INC(phy_err);
1067 phyerr = rs->rs_phyerr & 0x24;
1068 RX_PHY_ERR_INC(phyerr);
1071 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1072 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1073 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1075 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1076 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1077 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1079 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1081 spin_lock(&sc->debug.samp_lock);
1082 RX_SAMP_DBG(jiffies) = jiffies;
1083 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1084 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1085 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1086 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1087 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1088 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1089 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1090 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1091 RX_SAMP_DBG(rate) = rs->rs_rate;
1092 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1094 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1095 spin_unlock(&sc->debug.samp_lock);
1098 #undef RX_PHY_ERR_INC
1102 static const struct file_operations fops_recv = {
1103 .read = read_file_recv,
1104 .open = ath9k_debugfs_open,
1105 .owner = THIS_MODULE,
1106 .llseek = default_llseek,
1109 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1110 size_t count, loff_t *ppos)
1112 struct ath_softc *sc = file->private_data;
1116 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1117 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1120 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1121 size_t count, loff_t *ppos)
1123 struct ath_softc *sc = file->private_data;
1124 unsigned long regidx;
1128 len = min(count, sizeof(buf) - 1);
1129 if (copy_from_user(buf, user_buf, len))
1133 if (strict_strtoul(buf, 0, ®idx))
1136 sc->debug.regidx = regidx;
1140 static const struct file_operations fops_regidx = {
1141 .read = read_file_regidx,
1142 .write = write_file_regidx,
1143 .open = ath9k_debugfs_open,
1144 .owner = THIS_MODULE,
1145 .llseek = default_llseek,
1148 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1149 size_t count, loff_t *ppos)
1151 struct ath_softc *sc = file->private_data;
1152 struct ath_hw *ah = sc->sc_ah;
1157 ath9k_ps_wakeup(sc);
1158 regval = REG_READ_D(ah, sc->debug.regidx);
1159 ath9k_ps_restore(sc);
1160 len = sprintf(buf, "0x%08x\n", regval);
1161 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1164 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1165 size_t count, loff_t *ppos)
1167 struct ath_softc *sc = file->private_data;
1168 struct ath_hw *ah = sc->sc_ah;
1169 unsigned long regval;
1173 len = min(count, sizeof(buf) - 1);
1174 if (copy_from_user(buf, user_buf, len))
1178 if (strict_strtoul(buf, 0, ®val))
1181 ath9k_ps_wakeup(sc);
1182 REG_WRITE_D(ah, sc->debug.regidx, regval);
1183 ath9k_ps_restore(sc);
1187 static const struct file_operations fops_regval = {
1188 .read = read_file_regval,
1189 .write = write_file_regval,
1190 .open = ath9k_debugfs_open,
1191 .owner = THIS_MODULE,
1192 .llseek = default_llseek,
1195 #define REGDUMP_LINE_SIZE 20
1197 static int open_file_regdump(struct inode *inode, struct file *file)
1199 struct ath_softc *sc = inode->i_private;
1200 unsigned int len = 0;
1203 unsigned long num_regs, regdump_len, max_reg_offset;
1205 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1206 num_regs = max_reg_offset / 4 + 1;
1207 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1208 buf = vmalloc(regdump_len);
1212 ath9k_ps_wakeup(sc);
1213 for (i = 0; i < num_regs; i++)
1214 len += scnprintf(buf + len, regdump_len - len,
1215 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1216 ath9k_ps_restore(sc);
1218 file->private_data = buf;
1223 static const struct file_operations fops_regdump = {
1224 .open = open_file_regdump,
1225 .read = ath9k_debugfs_read_buf,
1226 .release = ath9k_debugfs_release_buf,
1227 .owner = THIS_MODULE,
1228 .llseek = default_llseek,/* read accesses f_pos */
1231 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1232 size_t count, loff_t *ppos)
1234 struct ath_softc *sc = file->private_data;
1235 struct ath_hw *ah = sc->sc_ah;
1236 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1237 struct ath_common *common = ath9k_hw_common(ah);
1238 struct ieee80211_conf *conf = &common->hw->conf;
1239 u32 len = 0, size = 1500;
1243 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1246 buf = kzalloc(size, GFP_KERNEL);
1250 len += snprintf(buf + len, size - len,
1251 "Channel Noise Floor : %d\n", ah->noise);
1252 len += snprintf(buf + len, size - len,
1253 "Chain | privNF | # Readings | NF Readings\n");
1254 for (i = 0; i < NUM_NF_READINGS; i++) {
1255 if (!(chainmask & (1 << i)) ||
1256 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1259 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1260 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1261 i, h[i].privNF, nread);
1262 for (j = 0; j < nread; j++)
1263 len += snprintf(buf + len, size - len,
1264 " %d", h[i].nfCalBuffer[j]);
1265 len += snprintf(buf + len, size - len, "\n");
1271 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1277 static const struct file_operations fops_dump_nfcal = {
1278 .read = read_file_dump_nfcal,
1279 .open = ath9k_debugfs_open,
1280 .owner = THIS_MODULE,
1281 .llseek = default_llseek,
1284 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1285 size_t count, loff_t *ppos)
1287 struct ath_softc *sc = file->private_data;
1288 struct ath_hw *ah = sc->sc_ah;
1289 u32 len = 0, size = 1500;
1293 buf = kzalloc(size, GFP_KERNEL);
1297 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1299 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1305 static const struct file_operations fops_base_eeprom = {
1306 .read = read_file_base_eeprom,
1307 .open = ath9k_debugfs_open,
1308 .owner = THIS_MODULE,
1309 .llseek = default_llseek,
1312 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1313 size_t count, loff_t *ppos)
1315 struct ath_softc *sc = file->private_data;
1316 struct ath_hw *ah = sc->sc_ah;
1317 u32 len = 0, size = 6000;
1321 buf = kzalloc(size, GFP_KERNEL);
1325 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1327 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1333 static const struct file_operations fops_modal_eeprom = {
1334 .read = read_file_modal_eeprom,
1335 .open = ath9k_debugfs_open,
1336 .owner = THIS_MODULE,
1337 .llseek = default_llseek,
1340 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1342 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1343 struct ath_hw *ah = sc->sc_ah;
1344 struct ath_common *common = ath9k_hw_common(ah);
1345 unsigned long flags;
1348 ath9k_ps_wakeup(sc);
1350 spin_lock_bh(&sc->debug.samp_lock);
1352 spin_lock_irqsave(&common->cc_lock, flags);
1353 ath_hw_cycle_counters_update(common);
1355 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1356 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1357 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1358 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1359 spin_unlock_irqrestore(&common->cc_lock, flags);
1361 ATH_SAMP_DBG(noise) = ah->noise;
1363 REG_WRITE_D(ah, AR_MACMISC,
1364 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1365 (AR_MACMISC_MISC_OBS_BUS_1 <<
1366 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1368 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1369 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1370 AR_DMADBG_0 + (i * sizeof(u32)));
1372 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1373 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1375 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1376 sizeof(ATH_SAMP_DBG(nfCalHist)));
1378 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1379 spin_unlock_bh(&sc->debug.samp_lock);
1380 ath9k_ps_restore(sc);
1385 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1387 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1388 struct ath_softc *sc = inode->i_private;
1389 struct ath_hw *ah = sc->sc_ah;
1390 struct ath_common *common = ath9k_hw_common(ah);
1391 struct ieee80211_conf *conf = &common->hw->conf;
1392 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1393 struct ath9k_nfcal_hist *h;
1394 int i, j, qcuOffset = 0, dcuOffset = 0;
1395 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1398 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1401 if (sc->sc_flags & SC_OP_INVALID)
1404 buf = vmalloc(size);
1407 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1412 /* Account the current state too */
1413 ath9k_debug_samp_bb_mac(sc);
1415 spin_lock_bh(&sc->debug.samp_lock);
1416 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1417 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1418 len += snprintf(buf + len, size - len,
1419 "Current Sample Index: %d\n", sc->debug.sampidx);
1420 spin_unlock_bh(&sc->debug.samp_lock);
1422 len += snprintf(buf + len, size - len,
1423 "Raw DMA Debug Dump:\n");
1424 len += snprintf(buf + len, size - len, "Sample |\t");
1425 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1426 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1427 len += snprintf(buf + len, size - len, "\n");
1429 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1430 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1432 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1433 len += snprintf(buf + len, size - len, " %08x\t",
1434 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1435 len += snprintf(buf + len, size - len, "\n");
1437 len += snprintf(buf + len, size - len, "\n");
1439 len += snprintf(buf + len, size - len,
1440 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1441 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1442 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1443 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1445 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1446 qcuOffset += 4, dcuOffset += 5) {
1456 if (!sc->debug.stats.txstats[i].queued)
1459 len += snprintf(buf + len, size - len,
1460 "%4d %7d %2x %1x %2x %2x\n",
1462 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1463 (*qcuBase & (0x8 << qcuOffset)) >>
1465 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1466 (0x7 << (i * 3)) >> (i * 3),
1467 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1469 len += snprintf(buf + len, size - len, "\n");
1471 len += snprintf(buf + len, size - len,
1472 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1473 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1474 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1476 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1477 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1478 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1480 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1481 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1482 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1483 len += snprintf(buf + len, size - len, "%7x %8x ",
1484 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1485 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1486 len += snprintf(buf + len, size - len, "%7x %7x ",
1487 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1488 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1489 len += snprintf(buf + len, size - len, "%7d %12d ",
1490 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1491 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1492 len += snprintf(buf + len, size - len, "%12d %12d ",
1493 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1494 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1495 len += snprintf(buf + len, size - len, "%12d %12d ",
1496 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1497 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1498 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1499 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1502 len += snprintf(buf + len, size - len,
1503 "Sample ChNoise Chain privNF #Reading Readings\n");
1504 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1505 h = ATH_SAMP_DBG(nfCalHist);
1506 if (!ATH_SAMP_DBG(noise))
1509 for (i = 0; i < NUM_NF_READINGS; i++) {
1510 if (!(chainmask & (1 << i)) ||
1511 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1514 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1515 h[i].invalidNFcount;
1516 len += snprintf(buf + len, size - len,
1517 "%4d %5d %4d\t %d\t %d\t",
1518 sampidx, ATH_SAMP_DBG(noise),
1519 i, h[i].privNF, nread);
1520 for (j = 0; j < nread; j++)
1521 len += snprintf(buf + len, size - len,
1522 " %d", h[i].nfCalBuffer[j]);
1523 len += snprintf(buf + len, size - len, "\n");
1526 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1527 "Sample Total Rxbusy Rxframes Txframes\n");
1528 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1529 if (!ATH_SAMP_DBG(cc.cycles))
1531 len += snprintf(buf + len, size - len,
1532 "%4d %08x %08x %08x %08x\n",
1533 sampidx, ATH_SAMP_DBG(cc.cycles),
1534 ATH_SAMP_DBG(cc.rx_busy),
1535 ATH_SAMP_DBG(cc.rx_frame),
1536 ATH_SAMP_DBG(cc.tx_frame));
1539 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1540 len += snprintf(buf + len, size - len,
1541 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1542 "isok rts_fail data_fail rate tid qid "
1543 "ba_low ba_high tx_before(ms)\n");
1544 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1545 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1546 if (!ATH_SAMP_DBG(ts[i].jiffies))
1548 len += snprintf(buf + len, size - len, "%-14d"
1549 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1550 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1552 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1553 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1554 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1555 ATH_SAMP_DBG(ts[i].rssi_ext0),
1556 ATH_SAMP_DBG(ts[i].rssi_ext1),
1557 ATH_SAMP_DBG(ts[i].rssi_ext2),
1558 ATH_SAMP_DBG(ts[i].rssi),
1559 ATH_SAMP_DBG(ts[i].isok),
1560 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1561 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1562 ATH_SAMP_DBG(ts[i].rateindex),
1563 ATH_SAMP_DBG(ts[i].tid),
1564 ATH_SAMP_DBG(ts[i].qid),
1565 ATH_SAMP_DBG(ts[i].ba_low),
1566 ATH_SAMP_DBG(ts[i].ba_high),
1567 jiffies_to_msecs(jiffies -
1568 ATH_SAMP_DBG(ts[i].jiffies)));
1572 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1573 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1574 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1575 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1576 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1577 if (!ATH_SAMP_DBG(rs[i].jiffies))
1579 len += snprintf(buf + len, size - len, "%-14d"
1580 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1582 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1583 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1584 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1585 ATH_SAMP_DBG(rs[i].rssi_ext0),
1586 ATH_SAMP_DBG(rs[i].rssi_ext1),
1587 ATH_SAMP_DBG(rs[i].rssi_ext2),
1588 ATH_SAMP_DBG(rs[i].rssi),
1589 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1591 ATH_SAMP_DBG(rs[i].antenna),
1592 ATH_SAMP_DBG(rs[i].rate),
1593 jiffies_to_msecs(jiffies -
1594 ATH_SAMP_DBG(rs[i].jiffies)));
1599 file->private_data = buf;
1605 static const struct file_operations fops_samps = {
1606 .open = open_file_bb_mac_samps,
1607 .read = ath9k_debugfs_read_buf,
1608 .release = ath9k_debugfs_release_buf,
1609 .owner = THIS_MODULE,
1610 .llseek = default_llseek,
1614 int ath9k_init_debug(struct ath_hw *ah)
1616 struct ath_common *common = ath9k_hw_common(ah);
1617 struct ath_softc *sc = (struct ath_softc *) common->priv;
1619 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1620 sc->hw->wiphy->debugfsdir);
1621 if (!sc->debug.debugfs_phy)
1624 #ifdef CONFIG_ATH_DEBUG
1625 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1628 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1630 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1632 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1634 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1636 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1638 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1640 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1642 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1643 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1644 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1645 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1646 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1647 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1648 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1650 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1652 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1653 sc->debug.debugfs_phy,
1654 &ah->config.cwm_ignore_extcca);
1655 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1657 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1659 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1661 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1662 &fops_modal_eeprom);
1663 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1666 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1667 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1669 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1670 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1672 sc->debug.regidx = 0;
1673 memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1674 sc->debug.sampidx = 0;
1675 sc->debug.tsidx = 0;
1676 sc->debug.rsidx = 0;