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 <asm/unaligned.h>
23 #define REG_WRITE_D(_ah, _reg, _val) \
24 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
25 #define REG_READ_D(_ah, _reg) \
26 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
28 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
30 file->private_data = inode->i_private;
34 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
35 size_t count, loff_t *ppos)
37 u8 *buf = file->private_data;
38 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
41 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
43 vfree(file->private_data);
47 #ifdef CONFIG_ATH_DEBUG
49 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
50 size_t count, loff_t *ppos)
52 struct ath_softc *sc = file->private_data;
53 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
57 len = sprintf(buf, "0x%08x\n", common->debug_mask);
58 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
61 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
62 size_t count, loff_t *ppos)
64 struct ath_softc *sc = file->private_data;
65 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
70 len = min(count, sizeof(buf) - 1);
71 if (copy_from_user(buf, user_buf, len))
75 if (strict_strtoul(buf, 0, &mask))
78 common->debug_mask = mask;
82 static const struct file_operations fops_debug = {
83 .read = read_file_debug,
84 .write = write_file_debug,
85 .open = ath9k_debugfs_open,
87 .llseek = default_llseek,
92 #define DMA_BUF_LEN 1024
94 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
95 size_t count, loff_t *ppos)
97 struct ath_softc *sc = file->private_data;
98 struct ath_hw *ah = sc->sc_ah;
102 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
103 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
106 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
107 size_t count, loff_t *ppos)
109 struct ath_softc *sc = file->private_data;
110 struct ath_hw *ah = sc->sc_ah;
115 len = min(count, sizeof(buf) - 1);
116 if (copy_from_user(buf, user_buf, len))
120 if (strict_strtoul(buf, 0, &mask))
123 ah->txchainmask = mask;
124 ah->caps.tx_chainmask = mask;
128 static const struct file_operations fops_tx_chainmask = {
129 .read = read_file_tx_chainmask,
130 .write = write_file_tx_chainmask,
131 .open = ath9k_debugfs_open,
132 .owner = THIS_MODULE,
133 .llseek = default_llseek,
137 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
138 size_t count, loff_t *ppos)
140 struct ath_softc *sc = file->private_data;
141 struct ath_hw *ah = sc->sc_ah;
145 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
146 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
149 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
150 size_t count, loff_t *ppos)
152 struct ath_softc *sc = file->private_data;
153 struct ath_hw *ah = sc->sc_ah;
158 len = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, len))
163 if (strict_strtoul(buf, 0, &mask))
166 ah->rxchainmask = mask;
167 ah->caps.rx_chainmask = mask;
171 static const struct file_operations fops_rx_chainmask = {
172 .read = read_file_rx_chainmask,
173 .write = write_file_rx_chainmask,
174 .open = ath9k_debugfs_open,
175 .owner = THIS_MODULE,
176 .llseek = default_llseek,
179 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
180 size_t count, loff_t *ppos)
182 struct ath_softc *sc = file->private_data;
183 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
187 len = sprintf(buf, "%d\n", common->disable_ani);
188 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
191 static ssize_t write_file_disable_ani(struct file *file,
192 const char __user *user_buf,
193 size_t count, loff_t *ppos)
195 struct ath_softc *sc = file->private_data;
196 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
197 unsigned long disable_ani;
201 len = min(count, sizeof(buf) - 1);
202 if (copy_from_user(buf, user_buf, len))
206 if (strict_strtoul(buf, 0, &disable_ani))
209 common->disable_ani = !!disable_ani;
212 sc->sc_flags &= ~SC_OP_ANI_RUN;
213 del_timer_sync(&common->ani.timer);
215 sc->sc_flags |= SC_OP_ANI_RUN;
216 ath_start_ani(common);
222 static const struct file_operations fops_disable_ani = {
223 .read = read_file_disable_ani,
224 .write = write_file_disable_ani,
225 .open = ath9k_debugfs_open,
226 .owner = THIS_MODULE,
227 .llseek = default_llseek,
230 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
231 size_t count, loff_t *ppos)
233 struct ath_softc *sc = file->private_data;
234 struct ath_hw *ah = sc->sc_ah;
237 unsigned int len = 0;
238 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
239 int i, qcuOffset = 0, dcuOffset = 0;
240 u32 *qcuBase = &val[0], *dcuBase = &val[4];
242 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
248 REG_WRITE_D(ah, AR_MACMISC,
249 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
250 (AR_MACMISC_MISC_OBS_BUS_1 <<
251 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
253 len += snprintf(buf + len, DMA_BUF_LEN - len,
254 "Raw DMA Debug values:\n");
256 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
258 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
260 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
261 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
265 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
266 len += snprintf(buf + len, DMA_BUF_LEN - len,
267 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
269 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
280 len += snprintf(buf + len, DMA_BUF_LEN - len,
281 "%2d %2x %1x %2x %2x\n",
282 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
283 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
284 val[2] & (0x7 << (i * 3)) >> (i * 3),
285 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
288 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
290 len += snprintf(buf + len, DMA_BUF_LEN - len,
291 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
292 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
293 len += snprintf(buf + len, DMA_BUF_LEN - len,
294 "qcu_complete state: %2x dcu_complete state: %2x\n",
295 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
296 len += snprintf(buf + len, DMA_BUF_LEN - len,
297 "dcu_arb state: %2x dcu_fp state: %2x\n",
298 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
299 len += snprintf(buf + len, DMA_BUF_LEN - len,
300 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
301 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
302 len += snprintf(buf + len, DMA_BUF_LEN - len,
303 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
304 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
305 len += snprintf(buf + len, DMA_BUF_LEN - len,
306 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
307 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
309 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
310 REG_READ_D(ah, AR_OBS_BUS_1));
311 len += snprintf(buf + len, DMA_BUF_LEN - len,
312 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
314 ath9k_ps_restore(sc);
316 if (len > DMA_BUF_LEN)
319 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
324 static const struct file_operations fops_dma = {
325 .read = read_file_dma,
326 .open = ath9k_debugfs_open,
327 .owner = THIS_MODULE,
328 .llseek = default_llseek,
332 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
335 sc->debug.stats.istats.total++;
336 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
337 if (status & ATH9K_INT_RXLP)
338 sc->debug.stats.istats.rxlp++;
339 if (status & ATH9K_INT_RXHP)
340 sc->debug.stats.istats.rxhp++;
341 if (status & ATH9K_INT_BB_WATCHDOG)
342 sc->debug.stats.istats.bb_watchdog++;
344 if (status & ATH9K_INT_RX)
345 sc->debug.stats.istats.rxok++;
347 if (status & ATH9K_INT_RXEOL)
348 sc->debug.stats.istats.rxeol++;
349 if (status & ATH9K_INT_RXORN)
350 sc->debug.stats.istats.rxorn++;
351 if (status & ATH9K_INT_TX)
352 sc->debug.stats.istats.txok++;
353 if (status & ATH9K_INT_TXURN)
354 sc->debug.stats.istats.txurn++;
355 if (status & ATH9K_INT_MIB)
356 sc->debug.stats.istats.mib++;
357 if (status & ATH9K_INT_RXPHY)
358 sc->debug.stats.istats.rxphyerr++;
359 if (status & ATH9K_INT_RXKCM)
360 sc->debug.stats.istats.rx_keycache_miss++;
361 if (status & ATH9K_INT_SWBA)
362 sc->debug.stats.istats.swba++;
363 if (status & ATH9K_INT_BMISS)
364 sc->debug.stats.istats.bmiss++;
365 if (status & ATH9K_INT_BNR)
366 sc->debug.stats.istats.bnr++;
367 if (status & ATH9K_INT_CST)
368 sc->debug.stats.istats.cst++;
369 if (status & ATH9K_INT_GTT)
370 sc->debug.stats.istats.gtt++;
371 if (status & ATH9K_INT_TIM)
372 sc->debug.stats.istats.tim++;
373 if (status & ATH9K_INT_CABEND)
374 sc->debug.stats.istats.cabend++;
375 if (status & ATH9K_INT_DTIMSYNC)
376 sc->debug.stats.istats.dtimsync++;
377 if (status & ATH9K_INT_DTIM)
378 sc->debug.stats.istats.dtim++;
379 if (status & ATH9K_INT_TSFOOR)
380 sc->debug.stats.istats.tsfoor++;
383 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
384 size_t count, loff_t *ppos)
386 struct ath_softc *sc = file->private_data;
388 unsigned int len = 0;
390 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
391 len += snprintf(buf + len, sizeof(buf) - len,
392 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
393 len += snprintf(buf + len, sizeof(buf) - len,
394 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
395 len += snprintf(buf + len, sizeof(buf) - len,
396 "%8s: %10u\n", "WATCHDOG",
397 sc->debug.stats.istats.bb_watchdog);
399 len += snprintf(buf + len, sizeof(buf) - len,
400 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
402 len += snprintf(buf + len, sizeof(buf) - len,
403 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
404 len += snprintf(buf + len, sizeof(buf) - len,
405 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
406 len += snprintf(buf + len, sizeof(buf) - len,
407 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
408 len += snprintf(buf + len, sizeof(buf) - len,
409 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
410 len += snprintf(buf + len, sizeof(buf) - len,
411 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
412 len += snprintf(buf + len, sizeof(buf) - len,
413 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
414 len += snprintf(buf + len, sizeof(buf) - len,
415 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
416 len += snprintf(buf + len, sizeof(buf) - len,
417 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
418 len += snprintf(buf + len, sizeof(buf) - len,
419 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
420 len += snprintf(buf + len, sizeof(buf) - len,
421 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
422 len += snprintf(buf + len, sizeof(buf) - len,
423 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
424 len += snprintf(buf + len, sizeof(buf) - len,
425 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
426 len += snprintf(buf + len, sizeof(buf) - len,
427 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
428 len += snprintf(buf + len, sizeof(buf) - len,
429 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
430 len += snprintf(buf + len, sizeof(buf) - len,
431 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
432 len += snprintf(buf + len, sizeof(buf) - len,
433 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
434 len += snprintf(buf + len, sizeof(buf) - len,
435 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
436 len += snprintf(buf + len, sizeof(buf) - len,
437 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
440 if (len > sizeof(buf))
443 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
446 static const struct file_operations fops_interrupt = {
447 .read = read_file_interrupt,
448 .open = ath9k_debugfs_open,
449 .owner = THIS_MODULE,
450 .llseek = default_llseek,
453 static const char *channel_type_str(enum nl80211_channel_type t)
456 case NL80211_CHAN_NO_HT:
458 case NL80211_CHAN_HT20:
460 case NL80211_CHAN_HT40MINUS:
462 case NL80211_CHAN_HT40PLUS:
469 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
470 size_t count, loff_t *ppos)
472 struct ath_softc *sc = file->private_data;
473 struct ieee80211_channel *chan = sc->hw->conf.channel;
474 struct ieee80211_conf *conf = &(sc->hw->conf);
476 unsigned int len = 0;
480 len += snprintf(buf + len, sizeof(buf) - len,
481 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n",
482 wiphy_name(sc->hw->wiphy),
483 ieee80211_frequency_to_channel(chan->center_freq),
486 channel_type_str(conf->channel_type));
489 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
490 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
491 len += snprintf(buf + len, sizeof(buf) - len,
492 "addr: %pM\n", addr);
493 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
494 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
495 len += snprintf(buf + len, sizeof(buf) - len,
496 "addrmask: %pM\n", addr);
497 tmp = ath9k_hw_getrxfilter(sc->sc_ah);
498 ath9k_ps_restore(sc);
499 len += snprintf(buf + len, sizeof(buf) - len,
501 if (tmp & ATH9K_RX_FILTER_UCAST)
502 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
503 if (tmp & ATH9K_RX_FILTER_MCAST)
504 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
505 if (tmp & ATH9K_RX_FILTER_BCAST)
506 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
507 if (tmp & ATH9K_RX_FILTER_CONTROL)
508 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
509 if (tmp & ATH9K_RX_FILTER_BEACON)
510 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
511 if (tmp & ATH9K_RX_FILTER_PROM)
512 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
513 if (tmp & ATH9K_RX_FILTER_PROBEREQ)
514 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
515 if (tmp & ATH9K_RX_FILTER_PHYERR)
516 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
517 if (tmp & ATH9K_RX_FILTER_MYBEACON)
518 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
519 if (tmp & ATH9K_RX_FILTER_COMP_BAR)
520 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
521 if (tmp & ATH9K_RX_FILTER_PSPOLL)
522 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
523 if (tmp & ATH9K_RX_FILTER_PHYRADAR)
524 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
525 if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
526 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
528 len += snprintf(buf + len, sizeof(buf) - len,
529 "\n\nReset causes:\n"
530 " baseband hang: %d\n"
531 " baseband watchdog: %d\n"
532 " fatal hardware error interrupt: %d\n"
533 " tx hardware error: %d\n"
534 " tx path hang: %d\n"
535 " pll rx hang: %d\n",
536 sc->debug.stats.reset[RESET_TYPE_BB_HANG],
537 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG],
538 sc->debug.stats.reset[RESET_TYPE_FATAL_INT],
539 sc->debug.stats.reset[RESET_TYPE_TX_ERROR],
540 sc->debug.stats.reset[RESET_TYPE_TX_HANG],
541 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
543 if (len > sizeof(buf))
546 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
549 static const struct file_operations fops_wiphy = {
550 .read = read_file_wiphy,
551 .open = ath9k_debugfs_open,
552 .owner = THIS_MODULE,
553 .llseek = default_llseek,
556 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
557 #define PR(str, elem) \
559 len += snprintf(buf + len, size - len, \
560 "%s%13u%11u%10u%10u\n", str, \
561 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
562 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
563 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
564 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
569 #define PRX(str, elem) \
571 len += snprintf(buf + len, size - len, \
572 "%s%13u%11u%10u%10u\n", str, \
573 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
574 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
575 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
576 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
581 #define PRQLE(str, elem) \
583 len += snprintf(buf + len, size - len, \
584 "%s%13i%11i%10i%10i\n", str, \
585 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
586 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
587 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
588 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
593 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
594 size_t count, loff_t *ppos)
596 struct ath_softc *sc = file->private_data;
598 unsigned int len = 0, size = 8000;
603 buf = kzalloc(size, GFP_KERNEL);
607 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
608 " poll-work-seen: %u\n"
609 "%30s %10s%10s%10s\n\n",
610 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
611 sc->tx_complete_poll_work_seen,
612 "BE", "BK", "VI", "VO");
614 PR("MPDUs Queued: ", queued);
615 PR("MPDUs Completed: ", completed);
616 PR("MPDUs XRetried: ", xretries);
617 PR("Aggregates: ", a_aggr);
618 PR("AMPDUs Queued HW:", a_queued_hw);
619 PR("AMPDUs Queued SW:", a_queued_sw);
620 PR("AMPDUs Completed:", a_completed);
621 PR("AMPDUs Retried: ", a_retries);
622 PR("AMPDUs XRetried: ", a_xretries);
623 PR("FIFO Underrun: ", fifo_underrun);
624 PR("TXOP Exceeded: ", xtxop);
625 PR("TXTIMER Expiry: ", timer_exp);
626 PR("DESC CFG Error: ", desc_cfg_err);
627 PR("DATA Underrun: ", data_underrun);
628 PR("DELIM Underrun: ", delim_underrun);
629 PR("TX-Pkts-All: ", tx_pkts_all);
630 PR("TX-Bytes-All: ", tx_bytes_all);
631 PR("hw-put-tx-buf: ", puttxbuf);
632 PR("hw-tx-start: ", txstart);
633 PR("hw-tx-proc-desc: ", txprocdesc);
634 len += snprintf(buf + len, size - len,
635 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
636 sc->tx.txq_map[WME_AC_BE],
637 sc->tx.txq_map[WME_AC_BK],
638 sc->tx.txq_map[WME_AC_VI],
639 sc->tx.txq_map[WME_AC_VO]);
643 PRX("axq-qnum: ", axq_qnum);
644 PRX("axq-depth: ", axq_depth);
645 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
646 PRX("axq-stopped ", stopped);
647 PRX("tx-in-progress ", axq_tx_inprogress);
648 PRX("pending-frames ", pending_frames);
649 PRX("txq_headidx: ", txq_headidx);
650 PRX("txq_tailidx: ", txq_headidx);
652 PRQLE("axq_q empty: ", axq_q);
653 PRQLE("axq_acq empty: ", axq_acq);
654 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
655 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
656 PRQLE(tmp, txq_fifo[i]);
659 /* Print out more detailed queue-info */
660 for (i = 0; i <= WME_AC_BK; i++) {
661 struct ath_txq *txq = &(sc->tx.txq[i]);
662 struct ath_atx_ac *ac;
663 struct ath_atx_tid *tid;
666 spin_lock_bh(&txq->axq_lock);
667 if (!list_empty(&txq->axq_acq)) {
668 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
670 len += snprintf(buf + len, size - len,
671 "txq[%i] first-ac: %p sched: %i\n",
673 if (list_empty(&ac->tid_q) || (len >= size))
675 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
677 len += snprintf(buf + len, size - len,
678 " first-tid: %p sched: %i paused: %i\n",
679 tid, tid->sched, tid->paused);
682 spin_unlock_bh(&txq->axq_lock);
689 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
695 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
696 size_t count, loff_t *ppos)
698 struct ath_softc *sc = file->private_data;
700 unsigned int len = 0, size = 64000;
701 struct ath_node *an = NULL;
705 buf = kzalloc(size, GFP_KERNEL);
709 len += snprintf(buf + len, size - len,
711 " tid: addr sched paused buf_q-empty an ac\n"
712 " ac: addr sched tid_q-empty txq\n");
714 spin_lock(&sc->nodes_lock);
715 list_for_each_entry(an, &sc->nodes, list) {
716 len += snprintf(buf + len, size - len,
717 "%pM\n", an->sta->addr);
721 for (q = 0; q < WME_NUM_TID; q++) {
722 struct ath_atx_tid *tid = &(an->tid[q]);
723 len += snprintf(buf + len, size - len,
724 " tid: %p %s %s %i %p %p\n",
725 tid, tid->sched ? "sched" : "idle",
726 tid->paused ? "paused" : "running",
727 skb_queue_empty(&tid->buf_q),
733 for (q = 0; q < WME_NUM_AC; q++) {
734 struct ath_atx_ac *ac = &(an->ac[q]);
735 len += snprintf(buf + len, size - len,
736 " ac: %p %s %i %p\n",
737 ac, ac->sched ? "sched" : "idle",
738 list_empty(&ac->tid_q), ac->txq);
745 spin_unlock(&sc->nodes_lock);
749 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
755 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
756 size_t count, loff_t *ppos)
758 struct ath_softc *sc = file->private_data;
759 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
760 struct ath_hw *ah = sc->sc_ah;
761 struct ieee80211_hw *hw = sc->hw;
763 unsigned int len = 0, size = 8000;
766 struct ath9k_vif_iter_data iter_data;
768 ath9k_calculate_iter_data(hw, NULL, &iter_data);
770 buf = kzalloc(size, GFP_KERNEL);
775 len += snprintf(buf + len, size - len,
778 "Beacon-Timer-Register: 0x%x\n",
780 ath_opmode_to_string(sc->sc_ah->opmode),
781 (int)(sc->sc_ah->opmode),
782 REG_READ(ah, AR_BEACON_PERIOD));
784 reg = REG_READ(ah, AR_TIMER_MODE);
785 ath9k_ps_restore(sc);
786 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
788 if (reg & AR_TBTT_TIMER_EN)
789 len += snprintf(buf + len, size - len, "TBTT ");
790 if (reg & AR_DBA_TIMER_EN)
791 len += snprintf(buf + len, size - len, "DBA ");
792 if (reg & AR_SWBA_TIMER_EN)
793 len += snprintf(buf + len, size - len, "SWBA ");
794 if (reg & AR_HCF_TIMER_EN)
795 len += snprintf(buf + len, size - len, "HCF ");
796 if (reg & AR_TIM_TIMER_EN)
797 len += snprintf(buf + len, size - len, "TIM ");
798 if (reg & AR_DTIM_TIMER_EN)
799 len += snprintf(buf + len, size - len, "DTIM ");
800 len += snprintf(buf + len, size - len, ")\n");
802 reg = sc->sc_ah->imask;
803 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
804 if (reg & ATH9K_INT_SWBA)
805 len += snprintf(buf + len, size - len, "SWBA ");
806 if (reg & ATH9K_INT_BMISS)
807 len += snprintf(buf + len, size - len, "BMISS ");
808 if (reg & ATH9K_INT_CST)
809 len += snprintf(buf + len, size - len, "CST ");
810 if (reg & ATH9K_INT_RX)
811 len += snprintf(buf + len, size - len, "RX ");
812 if (reg & ATH9K_INT_RXHP)
813 len += snprintf(buf + len, size - len, "RXHP ");
814 if (reg & ATH9K_INT_RXLP)
815 len += snprintf(buf + len, size - len, "RXLP ");
816 if (reg & ATH9K_INT_BB_WATCHDOG)
817 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
818 /* there are other IRQs if one wanted to add them. */
819 len += snprintf(buf + len, size - len, ")\n");
821 len += snprintf(buf + len, size - len,
822 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
823 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
824 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
825 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
826 sc->nvifs, sc->nbcnvifs);
828 len += snprintf(buf + len, size - len,
829 "Calculated-BSSID-Mask: %pM\n",
835 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
841 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
842 struct ath_tx_status *ts, struct ath_txq *txq,
845 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
847 int qnum = txq->axq_qnum;
849 TX_STAT_INC(qnum, tx_pkts_all);
850 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
852 if (bf_isampdu(bf)) {
853 if (flags & ATH_TX_BAR)
854 TX_STAT_INC(qnum, a_xretries);
856 TX_STAT_INC(qnum, a_completed);
858 if (ts->ts_status & ATH9K_TXERR_XRETRY)
859 TX_STAT_INC(qnum, xretries);
861 TX_STAT_INC(qnum, completed);
864 if (ts->ts_status & ATH9K_TXERR_FIFO)
865 TX_STAT_INC(qnum, fifo_underrun);
866 if (ts->ts_status & ATH9K_TXERR_XTXOP)
867 TX_STAT_INC(qnum, xtxop);
868 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
869 TX_STAT_INC(qnum, timer_exp);
870 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
871 TX_STAT_INC(qnum, desc_cfg_err);
872 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
873 TX_STAT_INC(qnum, data_underrun);
874 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
875 TX_STAT_INC(qnum, delim_underrun);
877 spin_lock(&sc->debug.samp_lock);
878 TX_SAMP_DBG(jiffies) = jiffies;
879 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
880 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
881 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
882 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
883 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
884 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
885 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
886 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
887 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
888 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
889 TX_SAMP_DBG(rssi) = ts->ts_rssi;
890 TX_SAMP_DBG(tid) = ts->tid;
891 TX_SAMP_DBG(qid) = ts->qid;
893 if (ts->ts_flags & ATH9K_TX_BA) {
894 TX_SAMP_DBG(ba_low) = ts->ba_low;
895 TX_SAMP_DBG(ba_high) = ts->ba_high;
897 TX_SAMP_DBG(ba_low) = 0;
898 TX_SAMP_DBG(ba_high) = 0;
901 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
902 spin_unlock(&sc->debug.samp_lock);
907 static const struct file_operations fops_xmit = {
908 .read = read_file_xmit,
909 .open = ath9k_debugfs_open,
910 .owner = THIS_MODULE,
911 .llseek = default_llseek,
914 static const struct file_operations fops_stations = {
915 .read = read_file_stations,
916 .open = ath9k_debugfs_open,
917 .owner = THIS_MODULE,
918 .llseek = default_llseek,
921 static const struct file_operations fops_misc = {
922 .read = read_file_misc,
923 .open = ath9k_debugfs_open,
924 .owner = THIS_MODULE,
925 .llseek = default_llseek,
928 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
929 size_t count, loff_t *ppos)
931 #define PHY_ERR(s, p) \
932 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
933 sc->debug.stats.rxstats.phy_err_stats[p]);
935 struct ath_softc *sc = file->private_data;
937 unsigned int len = 0, size = 1400;
940 buf = kzalloc(size, GFP_KERNEL);
944 len += snprintf(buf + len, size - len,
945 "%18s : %10u\n", "CRC ERR",
946 sc->debug.stats.rxstats.crc_err);
947 len += snprintf(buf + len, size - len,
948 "%18s : %10u\n", "DECRYPT CRC ERR",
949 sc->debug.stats.rxstats.decrypt_crc_err);
950 len += snprintf(buf + len, size - len,
951 "%18s : %10u\n", "PHY ERR",
952 sc->debug.stats.rxstats.phy_err);
953 len += snprintf(buf + len, size - len,
954 "%18s : %10u\n", "MIC ERR",
955 sc->debug.stats.rxstats.mic_err);
956 len += snprintf(buf + len, size - len,
957 "%18s : %10u\n", "PRE-DELIM CRC ERR",
958 sc->debug.stats.rxstats.pre_delim_crc_err);
959 len += snprintf(buf + len, size - len,
960 "%18s : %10u\n", "POST-DELIM CRC ERR",
961 sc->debug.stats.rxstats.post_delim_crc_err);
962 len += snprintf(buf + len, size - len,
963 "%18s : %10u\n", "DECRYPT BUSY ERR",
964 sc->debug.stats.rxstats.decrypt_busy_err);
966 len += snprintf(buf + len, size - len,
967 "%18s : %10d\n", "RSSI-CTL0",
968 sc->debug.stats.rxstats.rs_rssi_ctl0);
970 len += snprintf(buf + len, size - len,
971 "%18s : %10d\n", "RSSI-CTL1",
972 sc->debug.stats.rxstats.rs_rssi_ctl1);
974 len += snprintf(buf + len, size - len,
975 "%18s : %10d\n", "RSSI-CTL2",
976 sc->debug.stats.rxstats.rs_rssi_ctl2);
978 len += snprintf(buf + len, size - len,
979 "%18s : %10d\n", "RSSI-EXT0",
980 sc->debug.stats.rxstats.rs_rssi_ext0);
982 len += snprintf(buf + len, size - len,
983 "%18s : %10d\n", "RSSI-EXT1",
984 sc->debug.stats.rxstats.rs_rssi_ext1);
986 len += snprintf(buf + len, size - len,
987 "%18s : %10d\n", "RSSI-EXT2",
988 sc->debug.stats.rxstats.rs_rssi_ext2);
990 len += snprintf(buf + len, size - len,
991 "%18s : %10d\n", "Rx Antenna",
992 sc->debug.stats.rxstats.rs_antenna);
994 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
995 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
996 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
997 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
998 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
999 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
1000 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
1001 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
1002 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
1003 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
1004 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
1005 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
1006 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
1007 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
1008 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
1009 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
1010 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
1011 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
1012 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
1013 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
1014 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
1015 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1016 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
1017 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
1018 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1019 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1021 len += snprintf(buf + len, size - len,
1022 "%18s : %10u\n", "RX-Pkts-All",
1023 sc->debug.stats.rxstats.rx_pkts_all);
1024 len += snprintf(buf + len, size - len,
1025 "%18s : %10u\n", "RX-Bytes-All",
1026 sc->debug.stats.rxstats.rx_bytes_all);
1031 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1039 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1041 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1042 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1043 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1044 [sc->debug.rsidx].c)
1048 RX_STAT_INC(rx_pkts_all);
1049 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1051 if (rs->rs_status & ATH9K_RXERR_CRC)
1052 RX_STAT_INC(crc_err);
1053 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1054 RX_STAT_INC(decrypt_crc_err);
1055 if (rs->rs_status & ATH9K_RXERR_MIC)
1056 RX_STAT_INC(mic_err);
1057 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1058 RX_STAT_INC(pre_delim_crc_err);
1059 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1060 RX_STAT_INC(post_delim_crc_err);
1061 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1062 RX_STAT_INC(decrypt_busy_err);
1064 if (rs->rs_status & ATH9K_RXERR_PHY) {
1065 RX_STAT_INC(phy_err);
1066 phyerr = rs->rs_phyerr & 0x24;
1067 RX_PHY_ERR_INC(phyerr);
1070 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1071 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1072 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1074 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1075 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1076 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1078 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1080 spin_lock(&sc->debug.samp_lock);
1081 RX_SAMP_DBG(jiffies) = jiffies;
1082 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1083 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1084 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1085 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1086 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1087 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1088 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1089 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1090 RX_SAMP_DBG(rate) = rs->rs_rate;
1091 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1093 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1094 spin_unlock(&sc->debug.samp_lock);
1097 #undef RX_PHY_ERR_INC
1101 static const struct file_operations fops_recv = {
1102 .read = read_file_recv,
1103 .open = ath9k_debugfs_open,
1104 .owner = THIS_MODULE,
1105 .llseek = default_llseek,
1108 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1109 size_t count, loff_t *ppos)
1111 struct ath_softc *sc = file->private_data;
1115 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1116 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1119 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1120 size_t count, loff_t *ppos)
1122 struct ath_softc *sc = file->private_data;
1123 unsigned long regidx;
1127 len = min(count, sizeof(buf) - 1);
1128 if (copy_from_user(buf, user_buf, len))
1132 if (strict_strtoul(buf, 0, ®idx))
1135 sc->debug.regidx = regidx;
1139 static const struct file_operations fops_regidx = {
1140 .read = read_file_regidx,
1141 .write = write_file_regidx,
1142 .open = ath9k_debugfs_open,
1143 .owner = THIS_MODULE,
1144 .llseek = default_llseek,
1147 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1148 size_t count, loff_t *ppos)
1150 struct ath_softc *sc = file->private_data;
1151 struct ath_hw *ah = sc->sc_ah;
1156 ath9k_ps_wakeup(sc);
1157 regval = REG_READ_D(ah, sc->debug.regidx);
1158 ath9k_ps_restore(sc);
1159 len = sprintf(buf, "0x%08x\n", regval);
1160 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1163 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1164 size_t count, loff_t *ppos)
1166 struct ath_softc *sc = file->private_data;
1167 struct ath_hw *ah = sc->sc_ah;
1168 unsigned long regval;
1172 len = min(count, sizeof(buf) - 1);
1173 if (copy_from_user(buf, user_buf, len))
1177 if (strict_strtoul(buf, 0, ®val))
1180 ath9k_ps_wakeup(sc);
1181 REG_WRITE_D(ah, sc->debug.regidx, regval);
1182 ath9k_ps_restore(sc);
1186 static const struct file_operations fops_regval = {
1187 .read = read_file_regval,
1188 .write = write_file_regval,
1189 .open = ath9k_debugfs_open,
1190 .owner = THIS_MODULE,
1191 .llseek = default_llseek,
1194 #define REGDUMP_LINE_SIZE 20
1196 static int open_file_regdump(struct inode *inode, struct file *file)
1198 struct ath_softc *sc = inode->i_private;
1199 unsigned int len = 0;
1202 unsigned long num_regs, regdump_len, max_reg_offset;
1204 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1205 num_regs = max_reg_offset / 4 + 1;
1206 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1207 buf = vmalloc(regdump_len);
1211 ath9k_ps_wakeup(sc);
1212 for (i = 0; i < num_regs; i++)
1213 len += scnprintf(buf + len, regdump_len - len,
1214 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1215 ath9k_ps_restore(sc);
1217 file->private_data = buf;
1222 static const struct file_operations fops_regdump = {
1223 .open = open_file_regdump,
1224 .read = ath9k_debugfs_read_buf,
1225 .release = ath9k_debugfs_release_buf,
1226 .owner = THIS_MODULE,
1227 .llseek = default_llseek,/* read accesses f_pos */
1230 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1231 size_t count, loff_t *ppos)
1233 struct ath_softc *sc = file->private_data;
1234 struct ath_hw *ah = sc->sc_ah;
1235 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1236 struct ath_common *common = ath9k_hw_common(ah);
1237 struct ieee80211_conf *conf = &common->hw->conf;
1238 u32 len = 0, size = 1500;
1242 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1245 buf = kzalloc(size, GFP_KERNEL);
1249 len += snprintf(buf + len, size - len,
1250 "Channel Noise Floor : %d\n", ah->noise);
1251 len += snprintf(buf + len, size - len,
1252 "Chain | privNF | # Readings | NF Readings\n");
1253 for (i = 0; i < NUM_NF_READINGS; i++) {
1254 if (!(chainmask & (1 << i)) ||
1255 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1258 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1259 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1260 i, h[i].privNF, nread);
1261 for (j = 0; j < nread; j++)
1262 len += snprintf(buf + len, size - len,
1263 " %d", h[i].nfCalBuffer[j]);
1264 len += snprintf(buf + len, size - len, "\n");
1270 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1276 static const struct file_operations fops_dump_nfcal = {
1277 .read = read_file_dump_nfcal,
1278 .open = ath9k_debugfs_open,
1279 .owner = THIS_MODULE,
1280 .llseek = default_llseek,
1283 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1284 size_t count, loff_t *ppos)
1286 struct ath_softc *sc = file->private_data;
1287 struct ath_hw *ah = sc->sc_ah;
1288 u32 len = 0, size = 1500;
1292 buf = kzalloc(size, GFP_KERNEL);
1296 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1298 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1304 static const struct file_operations fops_base_eeprom = {
1305 .read = read_file_base_eeprom,
1306 .open = ath9k_debugfs_open,
1307 .owner = THIS_MODULE,
1308 .llseek = default_llseek,
1311 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1312 size_t count, loff_t *ppos)
1314 struct ath_softc *sc = file->private_data;
1315 struct ath_hw *ah = sc->sc_ah;
1316 u32 len = 0, size = 6000;
1320 buf = kzalloc(size, GFP_KERNEL);
1324 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1326 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1332 static const struct file_operations fops_modal_eeprom = {
1333 .read = read_file_modal_eeprom,
1334 .open = ath9k_debugfs_open,
1335 .owner = THIS_MODULE,
1336 .llseek = default_llseek,
1339 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1341 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1342 struct ath_hw *ah = sc->sc_ah;
1343 struct ath_common *common = ath9k_hw_common(ah);
1344 unsigned long flags;
1347 ath9k_ps_wakeup(sc);
1349 spin_lock_bh(&sc->debug.samp_lock);
1351 spin_lock_irqsave(&common->cc_lock, flags);
1352 ath_hw_cycle_counters_update(common);
1354 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1355 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1356 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1357 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1358 spin_unlock_irqrestore(&common->cc_lock, flags);
1360 ATH_SAMP_DBG(noise) = ah->noise;
1362 REG_WRITE_D(ah, AR_MACMISC,
1363 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1364 (AR_MACMISC_MISC_OBS_BUS_1 <<
1365 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1367 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1368 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1369 AR_DMADBG_0 + (i * sizeof(u32)));
1371 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1372 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1374 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1375 sizeof(ATH_SAMP_DBG(nfCalHist)));
1377 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1378 spin_unlock_bh(&sc->debug.samp_lock);
1379 ath9k_ps_restore(sc);
1384 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1386 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1387 struct ath_softc *sc = inode->i_private;
1388 struct ath_hw *ah = sc->sc_ah;
1389 struct ath_common *common = ath9k_hw_common(ah);
1390 struct ieee80211_conf *conf = &common->hw->conf;
1391 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1392 struct ath9k_nfcal_hist *h;
1393 int i, j, qcuOffset = 0, dcuOffset = 0;
1394 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1397 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1400 if (sc->sc_flags & SC_OP_INVALID)
1403 buf = vmalloc(size);
1406 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1411 /* Account the current state too */
1412 ath9k_debug_samp_bb_mac(sc);
1414 spin_lock_bh(&sc->debug.samp_lock);
1415 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1416 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1417 len += snprintf(buf + len, size - len,
1418 "Current Sample Index: %d\n", sc->debug.sampidx);
1419 spin_unlock_bh(&sc->debug.samp_lock);
1421 len += snprintf(buf + len, size - len,
1422 "Raw DMA Debug Dump:\n");
1423 len += snprintf(buf + len, size - len, "Sample |\t");
1424 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1425 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1426 len += snprintf(buf + len, size - len, "\n");
1428 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1429 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1431 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1432 len += snprintf(buf + len, size - len, " %08x\t",
1433 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1434 len += snprintf(buf + len, size - len, "\n");
1436 len += snprintf(buf + len, size - len, "\n");
1438 len += snprintf(buf + len, size - len,
1439 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1440 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1441 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1442 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1444 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1445 qcuOffset += 4, dcuOffset += 5) {
1455 if (!sc->debug.stats.txstats[i].queued)
1458 len += snprintf(buf + len, size - len,
1459 "%4d %7d %2x %1x %2x %2x\n",
1461 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1462 (*qcuBase & (0x8 << qcuOffset)) >>
1464 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1465 (0x7 << (i * 3)) >> (i * 3),
1466 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1468 len += snprintf(buf + len, size - len, "\n");
1470 len += snprintf(buf + len, size - len,
1471 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1472 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1473 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1475 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1476 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1477 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1479 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1480 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1481 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1482 len += snprintf(buf + len, size - len, "%7x %8x ",
1483 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1484 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1485 len += snprintf(buf + len, size - len, "%7x %7x ",
1486 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1487 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1488 len += snprintf(buf + len, size - len, "%7d %12d ",
1489 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1490 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1491 len += snprintf(buf + len, size - len, "%12d %12d ",
1492 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1493 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1494 len += snprintf(buf + len, size - len, "%12d %12d ",
1495 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1496 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1497 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1498 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1501 len += snprintf(buf + len, size - len,
1502 "Sample ChNoise Chain privNF #Reading Readings\n");
1503 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1504 h = ATH_SAMP_DBG(nfCalHist);
1505 if (!ATH_SAMP_DBG(noise))
1508 for (i = 0; i < NUM_NF_READINGS; i++) {
1509 if (!(chainmask & (1 << i)) ||
1510 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1513 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1514 h[i].invalidNFcount;
1515 len += snprintf(buf + len, size - len,
1516 "%4d %5d %4d\t %d\t %d\t",
1517 sampidx, ATH_SAMP_DBG(noise),
1518 i, h[i].privNF, nread);
1519 for (j = 0; j < nread; j++)
1520 len += snprintf(buf + len, size - len,
1521 " %d", h[i].nfCalBuffer[j]);
1522 len += snprintf(buf + len, size - len, "\n");
1525 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1526 "Sample Total Rxbusy Rxframes Txframes\n");
1527 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1528 if (!ATH_SAMP_DBG(cc.cycles))
1530 len += snprintf(buf + len, size - len,
1531 "%4d %08x %08x %08x %08x\n",
1532 sampidx, ATH_SAMP_DBG(cc.cycles),
1533 ATH_SAMP_DBG(cc.rx_busy),
1534 ATH_SAMP_DBG(cc.rx_frame),
1535 ATH_SAMP_DBG(cc.tx_frame));
1538 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1539 len += snprintf(buf + len, size - len,
1540 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1541 "isok rts_fail data_fail rate tid qid "
1542 "ba_low ba_high tx_before(ms)\n");
1543 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1544 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1545 if (!ATH_SAMP_DBG(ts[i].jiffies))
1547 len += snprintf(buf + len, size - len, "%-14d"
1548 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1549 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1551 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1552 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1553 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1554 ATH_SAMP_DBG(ts[i].rssi_ext0),
1555 ATH_SAMP_DBG(ts[i].rssi_ext1),
1556 ATH_SAMP_DBG(ts[i].rssi_ext2),
1557 ATH_SAMP_DBG(ts[i].rssi),
1558 ATH_SAMP_DBG(ts[i].isok),
1559 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1560 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1561 ATH_SAMP_DBG(ts[i].rateindex),
1562 ATH_SAMP_DBG(ts[i].tid),
1563 ATH_SAMP_DBG(ts[i].qid),
1564 ATH_SAMP_DBG(ts[i].ba_low),
1565 ATH_SAMP_DBG(ts[i].ba_high),
1566 jiffies_to_msecs(jiffies -
1567 ATH_SAMP_DBG(ts[i].jiffies)));
1571 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1572 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1573 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1574 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1575 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1576 if (!ATH_SAMP_DBG(rs[i].jiffies))
1578 len += snprintf(buf + len, size - len, "%-14d"
1579 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1581 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1582 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1583 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1584 ATH_SAMP_DBG(rs[i].rssi_ext0),
1585 ATH_SAMP_DBG(rs[i].rssi_ext1),
1586 ATH_SAMP_DBG(rs[i].rssi_ext2),
1587 ATH_SAMP_DBG(rs[i].rssi),
1588 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1590 ATH_SAMP_DBG(rs[i].antenna),
1591 ATH_SAMP_DBG(rs[i].rate),
1592 jiffies_to_msecs(jiffies -
1593 ATH_SAMP_DBG(rs[i].jiffies)));
1598 file->private_data = buf;
1604 static const struct file_operations fops_samps = {
1605 .open = open_file_bb_mac_samps,
1606 .read = ath9k_debugfs_read_buf,
1607 .release = ath9k_debugfs_release_buf,
1608 .owner = THIS_MODULE,
1609 .llseek = default_llseek,
1613 int ath9k_init_debug(struct ath_hw *ah)
1615 struct ath_common *common = ath9k_hw_common(ah);
1616 struct ath_softc *sc = (struct ath_softc *) common->priv;
1618 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1619 sc->hw->wiphy->debugfsdir);
1620 if (!sc->debug.debugfs_phy)
1623 #ifdef CONFIG_ATH_DEBUG
1624 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1627 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1629 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1631 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1633 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1635 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1637 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1639 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1641 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1642 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1643 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1644 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1645 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1646 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1647 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1649 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1651 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1652 sc->debug.debugfs_phy,
1653 &ah->config.cwm_ignore_extcca);
1654 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1656 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1658 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1660 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1661 &fops_modal_eeprom);
1662 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1665 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1666 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1668 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1669 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1671 sc->debug.regidx = 0;
1672 memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1673 sc->debug.sampidx = 0;
1674 sc->debug.tsidx = 0;
1675 sc->debug.rsidx = 0;