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_common *common = ath9k_hw_common(sc->sc_ah);
102 len = sprintf(buf, "0x%08x\n", common->tx_chainmask);
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_common *common = ath9k_hw_common(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 common->tx_chainmask = mask;
124 sc->sc_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_common *common = ath9k_hw_common(sc->sc_ah);
145 len = sprintf(buf, "0x%08x\n", common->rx_chainmask);
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_common *common = ath9k_hw_common(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 common->rx_chainmask = mask;
167 sc->sc_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\n");
528 len += snprintf(buf + len, sizeof(buf) - len, "\n");
530 if (len > sizeof(buf))
533 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
536 static const struct file_operations fops_wiphy = {
537 .read = read_file_wiphy,
538 .open = ath9k_debugfs_open,
539 .owner = THIS_MODULE,
540 .llseek = default_llseek,
543 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
544 #define PR(str, elem) \
546 len += snprintf(buf + len, size - len, \
547 "%s%13u%11u%10u%10u\n", str, \
548 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
549 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
550 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
551 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
556 #define PRX(str, elem) \
558 len += snprintf(buf + len, size - len, \
559 "%s%13u%11u%10u%10u\n", str, \
560 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
561 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
562 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
563 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
568 #define PRQLE(str, elem) \
570 len += snprintf(buf + len, size - len, \
571 "%s%13i%11i%10i%10i\n", str, \
572 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
573 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
574 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
575 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
580 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
581 size_t count, loff_t *ppos)
583 struct ath_softc *sc = file->private_data;
585 unsigned int len = 0, size = 8000;
590 buf = kzalloc(size, GFP_KERNEL);
594 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
595 " poll-work-seen: %u\n"
596 "%30s %10s%10s%10s\n\n",
597 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
598 sc->tx_complete_poll_work_seen,
599 "BE", "BK", "VI", "VO");
601 PR("MPDUs Queued: ", queued);
602 PR("MPDUs Completed: ", completed);
603 PR("MPDUs XRetried: ", xretries);
604 PR("Aggregates: ", a_aggr);
605 PR("AMPDUs Queued HW:", a_queued_hw);
606 PR("AMPDUs Queued SW:", a_queued_sw);
607 PR("AMPDUs Completed:", a_completed);
608 PR("AMPDUs Retried: ", a_retries);
609 PR("AMPDUs XRetried: ", a_xretries);
610 PR("FIFO Underrun: ", fifo_underrun);
611 PR("TXOP Exceeded: ", xtxop);
612 PR("TXTIMER Expiry: ", timer_exp);
613 PR("DESC CFG Error: ", desc_cfg_err);
614 PR("DATA Underrun: ", data_underrun);
615 PR("DELIM Underrun: ", delim_underrun);
616 PR("TX-Pkts-All: ", tx_pkts_all);
617 PR("TX-Bytes-All: ", tx_bytes_all);
618 PR("hw-put-tx-buf: ", puttxbuf);
619 PR("hw-tx-start: ", txstart);
620 PR("hw-tx-proc-desc: ", txprocdesc);
621 len += snprintf(buf + len, size - len,
622 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
623 sc->tx.txq_map[WME_AC_BE],
624 sc->tx.txq_map[WME_AC_BK],
625 sc->tx.txq_map[WME_AC_VI],
626 sc->tx.txq_map[WME_AC_VO]);
630 PRX("axq-qnum: ", axq_qnum);
631 PRX("axq-depth: ", axq_depth);
632 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
633 PRX("axq-stopped ", stopped);
634 PRX("tx-in-progress ", axq_tx_inprogress);
635 PRX("pending-frames ", pending_frames);
636 PRX("txq_headidx: ", txq_headidx);
637 PRX("txq_tailidx: ", txq_headidx);
639 PRQLE("axq_q empty: ", axq_q);
640 PRQLE("axq_acq empty: ", axq_acq);
641 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
642 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
643 PRQLE(tmp, txq_fifo[i]);
646 /* Print out more detailed queue-info */
647 for (i = 0; i <= WME_AC_BK; i++) {
648 struct ath_txq *txq = &(sc->tx.txq[i]);
649 struct ath_atx_ac *ac;
650 struct ath_atx_tid *tid;
653 spin_lock_bh(&txq->axq_lock);
654 if (!list_empty(&txq->axq_acq)) {
655 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
657 len += snprintf(buf + len, size - len,
658 "txq[%i] first-ac: %p sched: %i\n",
660 if (list_empty(&ac->tid_q) || (len >= size))
662 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
664 len += snprintf(buf + len, size - len,
665 " first-tid: %p sched: %i paused: %i\n",
666 tid, tid->sched, tid->paused);
669 spin_unlock_bh(&txq->axq_lock);
676 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
682 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
683 size_t count, loff_t *ppos)
685 struct ath_softc *sc = file->private_data;
687 unsigned int len = 0, size = 64000;
688 struct ath_node *an = NULL;
692 buf = kzalloc(size, GFP_KERNEL);
696 len += snprintf(buf + len, size - len,
698 " tid: addr sched paused buf_q-empty an ac\n"
699 " ac: addr sched tid_q-empty txq\n");
701 spin_lock(&sc->nodes_lock);
702 list_for_each_entry(an, &sc->nodes, list) {
703 len += snprintf(buf + len, size - len,
704 "%pM\n", an->sta->addr);
708 for (q = 0; q < WME_NUM_TID; q++) {
709 struct ath_atx_tid *tid = &(an->tid[q]);
710 len += snprintf(buf + len, size - len,
711 " tid: %p %s %s %i %p %p\n",
712 tid, tid->sched ? "sched" : "idle",
713 tid->paused ? "paused" : "running",
714 list_empty(&tid->buf_q),
720 for (q = 0; q < WME_NUM_AC; q++) {
721 struct ath_atx_ac *ac = &(an->ac[q]);
722 len += snprintf(buf + len, size - len,
723 " ac: %p %s %i %p\n",
724 ac, ac->sched ? "sched" : "idle",
725 list_empty(&ac->tid_q), ac->txq);
732 spin_unlock(&sc->nodes_lock);
736 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
742 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
743 size_t count, loff_t *ppos)
745 struct ath_softc *sc = file->private_data;
746 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
747 struct ath_hw *ah = sc->sc_ah;
748 struct ieee80211_hw *hw = sc->hw;
750 unsigned int len = 0, size = 8000;
754 struct ath9k_vif_iter_data iter_data;
756 ath9k_calculate_iter_data(hw, NULL, &iter_data);
758 buf = kzalloc(size, GFP_KERNEL);
762 switch (sc->sc_ah->opmode) {
763 case NL80211_IFTYPE_ADHOC:
766 case NL80211_IFTYPE_MESH_POINT:
769 case NL80211_IFTYPE_AP:
772 case NL80211_IFTYPE_STATION:
781 len += snprintf(buf + len, size - len,
784 "Beacon-Timer-Register: 0x%x\n",
786 tmp, (int)(sc->sc_ah->opmode),
787 REG_READ(ah, AR_BEACON_PERIOD));
789 reg = REG_READ(ah, AR_TIMER_MODE);
790 ath9k_ps_restore(sc);
791 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
793 if (reg & AR_TBTT_TIMER_EN)
794 len += snprintf(buf + len, size - len, "TBTT ");
795 if (reg & AR_DBA_TIMER_EN)
796 len += snprintf(buf + len, size - len, "DBA ");
797 if (reg & AR_SWBA_TIMER_EN)
798 len += snprintf(buf + len, size - len, "SWBA ");
799 if (reg & AR_HCF_TIMER_EN)
800 len += snprintf(buf + len, size - len, "HCF ");
801 if (reg & AR_TIM_TIMER_EN)
802 len += snprintf(buf + len, size - len, "TIM ");
803 if (reg & AR_DTIM_TIMER_EN)
804 len += snprintf(buf + len, size - len, "DTIM ");
805 len += snprintf(buf + len, size - len, ")\n");
807 reg = sc->sc_ah->imask;
808 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
809 if (reg & ATH9K_INT_SWBA)
810 len += snprintf(buf + len, size - len, "SWBA ");
811 if (reg & ATH9K_INT_BMISS)
812 len += snprintf(buf + len, size - len, "BMISS ");
813 if (reg & ATH9K_INT_CST)
814 len += snprintf(buf + len, size - len, "CST ");
815 if (reg & ATH9K_INT_RX)
816 len += snprintf(buf + len, size - len, "RX ");
817 if (reg & ATH9K_INT_RXHP)
818 len += snprintf(buf + len, size - len, "RXHP ");
819 if (reg & ATH9K_INT_RXLP)
820 len += snprintf(buf + len, size - len, "RXLP ");
821 if (reg & ATH9K_INT_BB_WATCHDOG)
822 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
823 /* there are other IRQs if one wanted to add them. */
824 len += snprintf(buf + len, size - len, ")\n");
826 len += snprintf(buf + len, size - len,
827 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
828 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
829 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
830 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
831 sc->nvifs, sc->nbcnvifs);
833 len += snprintf(buf + len, size - len,
834 "Calculated-BSSID-Mask: %pM\n",
840 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
846 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
847 struct ath_tx_status *ts, struct ath_txq *txq)
849 int qnum = txq->axq_qnum;
851 TX_STAT_INC(qnum, tx_pkts_all);
852 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
854 if (bf_isampdu(bf)) {
855 if (bf_isxretried(bf))
856 TX_STAT_INC(qnum, a_xretries);
858 TX_STAT_INC(qnum, a_completed);
860 if (bf_isxretried(bf))
861 TX_STAT_INC(qnum, xretries);
863 TX_STAT_INC(qnum, completed);
866 if (ts->ts_status & ATH9K_TXERR_FIFO)
867 TX_STAT_INC(qnum, fifo_underrun);
868 if (ts->ts_status & ATH9K_TXERR_XTXOP)
869 TX_STAT_INC(qnum, xtxop);
870 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
871 TX_STAT_INC(qnum, timer_exp);
872 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
873 TX_STAT_INC(qnum, desc_cfg_err);
874 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
875 TX_STAT_INC(qnum, data_underrun);
876 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
877 TX_STAT_INC(qnum, delim_underrun);
880 static const struct file_operations fops_xmit = {
881 .read = read_file_xmit,
882 .open = ath9k_debugfs_open,
883 .owner = THIS_MODULE,
884 .llseek = default_llseek,
887 static const struct file_operations fops_stations = {
888 .read = read_file_stations,
889 .open = ath9k_debugfs_open,
890 .owner = THIS_MODULE,
891 .llseek = default_llseek,
894 static const struct file_operations fops_misc = {
895 .read = read_file_misc,
896 .open = ath9k_debugfs_open,
897 .owner = THIS_MODULE,
898 .llseek = default_llseek,
901 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
902 size_t count, loff_t *ppos)
904 #define PHY_ERR(s, p) \
905 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
906 sc->debug.stats.rxstats.phy_err_stats[p]);
908 struct ath_softc *sc = file->private_data;
910 unsigned int len = 0, size = 1400;
913 buf = kzalloc(size, GFP_KERNEL);
917 len += snprintf(buf + len, size - len,
918 "%18s : %10u\n", "CRC ERR",
919 sc->debug.stats.rxstats.crc_err);
920 len += snprintf(buf + len, size - len,
921 "%18s : %10u\n", "DECRYPT CRC ERR",
922 sc->debug.stats.rxstats.decrypt_crc_err);
923 len += snprintf(buf + len, size - len,
924 "%18s : %10u\n", "PHY ERR",
925 sc->debug.stats.rxstats.phy_err);
926 len += snprintf(buf + len, size - len,
927 "%18s : %10u\n", "MIC ERR",
928 sc->debug.stats.rxstats.mic_err);
929 len += snprintf(buf + len, size - len,
930 "%18s : %10u\n", "PRE-DELIM CRC ERR",
931 sc->debug.stats.rxstats.pre_delim_crc_err);
932 len += snprintf(buf + len, size - len,
933 "%18s : %10u\n", "POST-DELIM CRC ERR",
934 sc->debug.stats.rxstats.post_delim_crc_err);
935 len += snprintf(buf + len, size - len,
936 "%18s : %10u\n", "DECRYPT BUSY ERR",
937 sc->debug.stats.rxstats.decrypt_busy_err);
939 len += snprintf(buf + len, size - len,
940 "%18s : %10d\n", "RSSI-CTL0",
941 sc->debug.stats.rxstats.rs_rssi_ctl0);
943 len += snprintf(buf + len, size - len,
944 "%18s : %10d\n", "RSSI-CTL1",
945 sc->debug.stats.rxstats.rs_rssi_ctl1);
947 len += snprintf(buf + len, size - len,
948 "%18s : %10d\n", "RSSI-CTL2",
949 sc->debug.stats.rxstats.rs_rssi_ctl2);
951 len += snprintf(buf + len, size - len,
952 "%18s : %10d\n", "RSSI-EXT0",
953 sc->debug.stats.rxstats.rs_rssi_ext0);
955 len += snprintf(buf + len, size - len,
956 "%18s : %10d\n", "RSSI-EXT1",
957 sc->debug.stats.rxstats.rs_rssi_ext1);
959 len += snprintf(buf + len, size - len,
960 "%18s : %10d\n", "RSSI-EXT2",
961 sc->debug.stats.rxstats.rs_rssi_ext2);
963 len += snprintf(buf + len, size - len,
964 "%18s : %10d\n", "Rx Antenna",
965 sc->debug.stats.rxstats.rs_antenna);
967 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
968 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
969 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
970 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
971 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
972 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
973 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
974 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
975 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
976 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
977 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
978 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
979 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
980 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
981 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
982 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
983 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
984 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
985 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
986 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
987 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
988 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
989 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
990 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
991 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
992 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
994 len += snprintf(buf + len, size - len,
995 "%18s : %10u\n", "RX-Pkts-All",
996 sc->debug.stats.rxstats.rx_pkts_all);
997 len += snprintf(buf + len, size - len,
998 "%18s : %10u\n", "RX-Bytes-All",
999 sc->debug.stats.rxstats.rx_bytes_all);
1004 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1012 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1014 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1015 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1019 RX_STAT_INC(rx_pkts_all);
1020 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1022 if (rs->rs_status & ATH9K_RXERR_CRC)
1023 RX_STAT_INC(crc_err);
1024 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1025 RX_STAT_INC(decrypt_crc_err);
1026 if (rs->rs_status & ATH9K_RXERR_MIC)
1027 RX_STAT_INC(mic_err);
1028 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1029 RX_STAT_INC(pre_delim_crc_err);
1030 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1031 RX_STAT_INC(post_delim_crc_err);
1032 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1033 RX_STAT_INC(decrypt_busy_err);
1035 if (rs->rs_status & ATH9K_RXERR_PHY) {
1036 RX_STAT_INC(phy_err);
1037 phyerr = rs->rs_phyerr & 0x24;
1038 RX_PHY_ERR_INC(phyerr);
1041 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1042 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1043 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1045 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1046 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1047 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1049 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1052 #undef RX_PHY_ERR_INC
1055 static const struct file_operations fops_recv = {
1056 .read = read_file_recv,
1057 .open = ath9k_debugfs_open,
1058 .owner = THIS_MODULE,
1059 .llseek = default_llseek,
1062 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1063 size_t count, loff_t *ppos)
1065 struct ath_softc *sc = file->private_data;
1069 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1070 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1073 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1074 size_t count, loff_t *ppos)
1076 struct ath_softc *sc = file->private_data;
1077 unsigned long regidx;
1081 len = min(count, sizeof(buf) - 1);
1082 if (copy_from_user(buf, user_buf, len))
1086 if (strict_strtoul(buf, 0, ®idx))
1089 sc->debug.regidx = regidx;
1093 static const struct file_operations fops_regidx = {
1094 .read = read_file_regidx,
1095 .write = write_file_regidx,
1096 .open = ath9k_debugfs_open,
1097 .owner = THIS_MODULE,
1098 .llseek = default_llseek,
1101 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1102 size_t count, loff_t *ppos)
1104 struct ath_softc *sc = file->private_data;
1105 struct ath_hw *ah = sc->sc_ah;
1110 ath9k_ps_wakeup(sc);
1111 regval = REG_READ_D(ah, sc->debug.regidx);
1112 ath9k_ps_restore(sc);
1113 len = sprintf(buf, "0x%08x\n", regval);
1114 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1117 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1118 size_t count, loff_t *ppos)
1120 struct ath_softc *sc = file->private_data;
1121 struct ath_hw *ah = sc->sc_ah;
1122 unsigned long regval;
1126 len = min(count, sizeof(buf) - 1);
1127 if (copy_from_user(buf, user_buf, len))
1131 if (strict_strtoul(buf, 0, ®val))
1134 ath9k_ps_wakeup(sc);
1135 REG_WRITE_D(ah, sc->debug.regidx, regval);
1136 ath9k_ps_restore(sc);
1140 static const struct file_operations fops_regval = {
1141 .read = read_file_regval,
1142 .write = write_file_regval,
1143 .open = ath9k_debugfs_open,
1144 .owner = THIS_MODULE,
1145 .llseek = default_llseek,
1148 #define REGDUMP_LINE_SIZE 20
1150 static int open_file_regdump(struct inode *inode, struct file *file)
1152 struct ath_softc *sc = inode->i_private;
1153 unsigned int len = 0;
1156 unsigned long num_regs, regdump_len, max_reg_offset;
1158 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1159 num_regs = max_reg_offset / 4 + 1;
1160 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1161 buf = vmalloc(regdump_len);
1165 ath9k_ps_wakeup(sc);
1166 for (i = 0; i < num_regs; i++)
1167 len += scnprintf(buf + len, regdump_len - len,
1168 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1169 ath9k_ps_restore(sc);
1171 file->private_data = buf;
1176 static const struct file_operations fops_regdump = {
1177 .open = open_file_regdump,
1178 .read = ath9k_debugfs_read_buf,
1179 .release = ath9k_debugfs_release_buf,
1180 .owner = THIS_MODULE,
1181 .llseek = default_llseek,/* read accesses f_pos */
1184 int ath9k_init_debug(struct ath_hw *ah)
1186 struct ath_common *common = ath9k_hw_common(ah);
1187 struct ath_softc *sc = (struct ath_softc *) common->priv;
1189 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1190 sc->hw->wiphy->debugfsdir);
1191 if (!sc->debug.debugfs_phy)
1194 #ifdef CONFIG_ATH_DEBUG
1195 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1198 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1200 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1202 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1204 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1206 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1208 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1210 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1212 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1213 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1214 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1215 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1216 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1217 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1218 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1220 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1222 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1223 sc->debug.debugfs_phy,
1224 &ah->config.cwm_ignore_extcca);
1225 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1228 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1229 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1231 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1232 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1234 sc->debug.regidx = 0;