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))
30 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
31 size_t count, loff_t *ppos)
33 u8 *buf = file->private_data;
34 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
37 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
39 vfree(file->private_data);
43 #ifdef CONFIG_ATH_DEBUG
45 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
46 size_t count, loff_t *ppos)
48 struct ath_softc *sc = file->private_data;
49 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
53 len = sprintf(buf, "0x%08x\n", common->debug_mask);
54 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
57 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
58 size_t count, loff_t *ppos)
60 struct ath_softc *sc = file->private_data;
61 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
66 len = min(count, sizeof(buf) - 1);
67 if (copy_from_user(buf, user_buf, len))
71 if (strict_strtoul(buf, 0, &mask))
74 common->debug_mask = mask;
78 static const struct file_operations fops_debug = {
79 .read = read_file_debug,
80 .write = write_file_debug,
83 .llseek = default_llseek,
88 #define DMA_BUF_LEN 1024
90 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
91 size_t count, loff_t *ppos)
93 struct ath_softc *sc = file->private_data;
94 struct ath_hw *ah = sc->sc_ah;
98 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
99 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
102 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
103 size_t count, loff_t *ppos)
105 struct ath_softc *sc = file->private_data;
106 struct ath_hw *ah = sc->sc_ah;
111 len = min(count, sizeof(buf) - 1);
112 if (copy_from_user(buf, user_buf, len))
116 if (strict_strtoul(buf, 0, &mask))
119 ah->txchainmask = mask;
120 ah->caps.tx_chainmask = mask;
124 static const struct file_operations fops_tx_chainmask = {
125 .read = read_file_tx_chainmask,
126 .write = write_file_tx_chainmask,
128 .owner = THIS_MODULE,
129 .llseek = default_llseek,
133 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
134 size_t count, loff_t *ppos)
136 struct ath_softc *sc = file->private_data;
137 struct ath_hw *ah = sc->sc_ah;
141 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
142 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
145 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
146 size_t count, loff_t *ppos)
148 struct ath_softc *sc = file->private_data;
149 struct ath_hw *ah = sc->sc_ah;
154 len = min(count, sizeof(buf) - 1);
155 if (copy_from_user(buf, user_buf, len))
159 if (strict_strtoul(buf, 0, &mask))
162 ah->rxchainmask = mask;
163 ah->caps.rx_chainmask = mask;
167 static const struct file_operations fops_rx_chainmask = {
168 .read = read_file_rx_chainmask,
169 .write = write_file_rx_chainmask,
171 .owner = THIS_MODULE,
172 .llseek = default_llseek,
175 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
176 size_t count, loff_t *ppos)
178 struct ath_softc *sc = file->private_data;
179 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
183 len = sprintf(buf, "%d\n", common->disable_ani);
184 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
187 static ssize_t write_file_disable_ani(struct file *file,
188 const char __user *user_buf,
189 size_t count, loff_t *ppos)
191 struct ath_softc *sc = file->private_data;
192 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
193 unsigned long disable_ani;
197 len = min(count, sizeof(buf) - 1);
198 if (copy_from_user(buf, user_buf, len))
202 if (strict_strtoul(buf, 0, &disable_ani))
205 common->disable_ani = !!disable_ani;
208 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
217 static const struct file_operations fops_disable_ani = {
218 .read = read_file_disable_ani,
219 .write = write_file_disable_ani,
221 .owner = THIS_MODULE,
222 .llseek = default_llseek,
225 static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf,
226 size_t count, loff_t *ppos)
228 struct ath_softc *sc = file->private_data;
229 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
233 len = sprintf(buf, "%d\n", common->antenna_diversity);
234 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
237 static ssize_t write_file_ant_diversity(struct file *file,
238 const char __user *user_buf,
239 size_t count, loff_t *ppos)
241 struct ath_softc *sc = file->private_data;
242 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
243 unsigned long antenna_diversity;
247 len = min(count, sizeof(buf) - 1);
248 if (copy_from_user(buf, user_buf, len))
251 if (!AR_SREV_9565(sc->sc_ah))
255 if (strict_strtoul(buf, 0, &antenna_diversity))
258 common->antenna_diversity = !!antenna_diversity;
260 ath_ant_comb_update(sc);
261 ath_dbg(common, CONFIG, "Antenna diversity: %d\n",
262 common->antenna_diversity);
263 ath9k_ps_restore(sc);
268 static const struct file_operations fops_ant_diversity = {
269 .read = read_file_ant_diversity,
270 .write = write_file_ant_diversity,
272 .owner = THIS_MODULE,
273 .llseek = default_llseek,
276 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
277 size_t count, loff_t *ppos)
279 struct ath_softc *sc = file->private_data;
280 struct ath_hw *ah = sc->sc_ah;
283 unsigned int len = 0;
284 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
285 int i, qcuOffset = 0, dcuOffset = 0;
286 u32 *qcuBase = &val[0], *dcuBase = &val[4];
288 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
294 REG_WRITE_D(ah, AR_MACMISC,
295 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
296 (AR_MACMISC_MISC_OBS_BUS_1 <<
297 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
299 len += snprintf(buf + len, DMA_BUF_LEN - len,
300 "Raw DMA Debug values:\n");
302 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
304 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
306 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
307 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
311 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
312 len += snprintf(buf + len, DMA_BUF_LEN - len,
313 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
315 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
326 len += snprintf(buf + len, DMA_BUF_LEN - len,
327 "%2d %2x %1x %2x %2x\n",
328 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
329 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
330 val[2] & (0x7 << (i * 3)) >> (i * 3),
331 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
334 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
336 len += snprintf(buf + len, DMA_BUF_LEN - len,
337 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
338 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
339 len += snprintf(buf + len, DMA_BUF_LEN - len,
340 "qcu_complete state: %2x dcu_complete state: %2x\n",
341 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
342 len += snprintf(buf + len, DMA_BUF_LEN - len,
343 "dcu_arb state: %2x dcu_fp state: %2x\n",
344 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
345 len += snprintf(buf + len, DMA_BUF_LEN - len,
346 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
347 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
348 len += snprintf(buf + len, DMA_BUF_LEN - len,
349 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
350 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
351 len += snprintf(buf + len, DMA_BUF_LEN - len,
352 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
353 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
355 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
356 REG_READ_D(ah, AR_OBS_BUS_1));
357 len += snprintf(buf + len, DMA_BUF_LEN - len,
358 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
360 ath9k_ps_restore(sc);
362 if (len > DMA_BUF_LEN)
365 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
370 static const struct file_operations fops_dma = {
371 .read = read_file_dma,
373 .owner = THIS_MODULE,
374 .llseek = default_llseek,
378 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
381 sc->debug.stats.istats.total++;
382 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
383 if (status & ATH9K_INT_RXLP)
384 sc->debug.stats.istats.rxlp++;
385 if (status & ATH9K_INT_RXHP)
386 sc->debug.stats.istats.rxhp++;
387 if (status & ATH9K_INT_BB_WATCHDOG)
388 sc->debug.stats.istats.bb_watchdog++;
390 if (status & ATH9K_INT_RX)
391 sc->debug.stats.istats.rxok++;
393 if (status & ATH9K_INT_RXEOL)
394 sc->debug.stats.istats.rxeol++;
395 if (status & ATH9K_INT_RXORN)
396 sc->debug.stats.istats.rxorn++;
397 if (status & ATH9K_INT_TX)
398 sc->debug.stats.istats.txok++;
399 if (status & ATH9K_INT_TXURN)
400 sc->debug.stats.istats.txurn++;
401 if (status & ATH9K_INT_RXPHY)
402 sc->debug.stats.istats.rxphyerr++;
403 if (status & ATH9K_INT_RXKCM)
404 sc->debug.stats.istats.rx_keycache_miss++;
405 if (status & ATH9K_INT_SWBA)
406 sc->debug.stats.istats.swba++;
407 if (status & ATH9K_INT_BMISS)
408 sc->debug.stats.istats.bmiss++;
409 if (status & ATH9K_INT_BNR)
410 sc->debug.stats.istats.bnr++;
411 if (status & ATH9K_INT_CST)
412 sc->debug.stats.istats.cst++;
413 if (status & ATH9K_INT_GTT)
414 sc->debug.stats.istats.gtt++;
415 if (status & ATH9K_INT_TIM)
416 sc->debug.stats.istats.tim++;
417 if (status & ATH9K_INT_CABEND)
418 sc->debug.stats.istats.cabend++;
419 if (status & ATH9K_INT_DTIMSYNC)
420 sc->debug.stats.istats.dtimsync++;
421 if (status & ATH9K_INT_DTIM)
422 sc->debug.stats.istats.dtim++;
423 if (status & ATH9K_INT_TSFOOR)
424 sc->debug.stats.istats.tsfoor++;
425 if (status & ATH9K_INT_MCI)
426 sc->debug.stats.istats.mci++;
427 if (status & ATH9K_INT_GENTIMER)
428 sc->debug.stats.istats.gen_timer++;
431 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
432 size_t count, loff_t *ppos)
434 struct ath_softc *sc = file->private_data;
435 unsigned int len = 0;
438 char *buf = kmalloc(mxlen, GFP_KERNEL);
442 #define PR_IS(a, s) \
444 len += snprintf(buf + len, mxlen - len, \
446 sc->debug.stats.istats.s); \
449 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
452 PR_IS("WATHDOG", bb_watchdog);
456 PR_IS("RXEOL", rxeol);
457 PR_IS("RXORN", rxorn);
459 PR_IS("TXURN", txurn);
461 PR_IS("RXPHY", rxphyerr);
462 PR_IS("RXKCM", rx_keycache_miss);
464 PR_IS("BMISS", bmiss);
469 PR_IS("CABEND", cabend);
470 PR_IS("DTIMSYNC", dtimsync);
472 PR_IS("TSFOOR", tsfoor);
474 PR_IS("GENTIMER", gen_timer);
475 PR_IS("TOTAL", total);
477 len += snprintf(buf + len, mxlen - len,
478 "SYNC_CAUSE stats:\n");
480 PR_IS("Sync-All", sync_cause_all);
481 PR_IS("RTC-IRQ", sync_rtc_irq);
482 PR_IS("MAC-IRQ", sync_mac_irq);
483 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
484 PR_IS("APB-Timeout", apb_timeout);
485 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
486 PR_IS("HOST1-Fatal", host1_fatal);
487 PR_IS("HOST1-Perr", host1_perr);
488 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
489 PR_IS("RADM-CPL-EP", radm_cpl_ep);
490 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
491 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
492 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
493 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
494 PR_IS("Local-Bus-Timeout", local_timeout);
495 PR_IS("PM-Access", pm_access);
496 PR_IS("MAC-Awake", mac_awake);
497 PR_IS("MAC-Asleep", mac_asleep);
498 PR_IS("MAC-Sleep-Access", mac_sleep_access);
503 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
508 static const struct file_operations fops_interrupt = {
509 .read = read_file_interrupt,
511 .owner = THIS_MODULE,
512 .llseek = default_llseek,
515 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
516 #define PR(str, elem) \
518 len += snprintf(buf + len, size - len, \
519 "%s%13u%11u%10u%10u\n", str, \
520 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
521 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
522 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
523 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
528 #define PRX(str, elem) \
530 len += snprintf(buf + len, size - len, \
531 "%s%13u%11u%10u%10u\n", str, \
532 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
533 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
534 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
535 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
540 #define PRQLE(str, elem) \
542 len += snprintf(buf + len, size - len, \
543 "%s%13i%11i%10i%10i\n", str, \
544 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
545 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
546 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
547 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
552 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
553 size_t count, loff_t *ppos)
555 struct ath_softc *sc = file->private_data;
557 unsigned int len = 0, size = 8000;
562 buf = kzalloc(size, GFP_KERNEL);
566 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
567 " poll-work-seen: %u\n"
568 "%30s %10s%10s%10s\n\n",
569 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
570 sc->tx_complete_poll_work_seen,
571 "BE", "BK", "VI", "VO");
573 PR("MPDUs Queued: ", queued);
574 PR("MPDUs Completed: ", completed);
575 PR("MPDUs XRetried: ", xretries);
576 PR("Aggregates: ", a_aggr);
577 PR("AMPDUs Queued HW:", a_queued_hw);
578 PR("AMPDUs Queued SW:", a_queued_sw);
579 PR("AMPDUs Completed:", a_completed);
580 PR("AMPDUs Retried: ", a_retries);
581 PR("AMPDUs XRetried: ", a_xretries);
582 PR("FIFO Underrun: ", fifo_underrun);
583 PR("TXOP Exceeded: ", xtxop);
584 PR("TXTIMER Expiry: ", timer_exp);
585 PR("DESC CFG Error: ", desc_cfg_err);
586 PR("DATA Underrun: ", data_underrun);
587 PR("DELIM Underrun: ", delim_underrun);
588 PR("TX-Pkts-All: ", tx_pkts_all);
589 PR("TX-Bytes-All: ", tx_bytes_all);
590 PR("hw-put-tx-buf: ", puttxbuf);
591 PR("hw-tx-start: ", txstart);
592 PR("hw-tx-proc-desc: ", txprocdesc);
593 PR("TX-Failed: ", txfailed);
594 len += snprintf(buf + len, size - len,
595 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
596 sc->tx.txq_map[WME_AC_BE],
597 sc->tx.txq_map[WME_AC_BK],
598 sc->tx.txq_map[WME_AC_VI],
599 sc->tx.txq_map[WME_AC_VO]);
603 PRX("axq-qnum: ", axq_qnum);
604 PRX("axq-depth: ", axq_depth);
605 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
606 PRX("axq-stopped ", stopped);
607 PRX("tx-in-progress ", axq_tx_inprogress);
608 PRX("pending-frames ", pending_frames);
609 PRX("txq_headidx: ", txq_headidx);
610 PRX("txq_tailidx: ", txq_headidx);
612 PRQLE("axq_q empty: ", axq_q);
613 PRQLE("axq_acq empty: ", axq_acq);
614 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
615 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
616 PRQLE(tmp, txq_fifo[i]);
619 /* Print out more detailed queue-info */
620 for (i = 0; i <= WME_AC_BK; i++) {
621 struct ath_txq *txq = &(sc->tx.txq[i]);
622 struct ath_atx_ac *ac;
623 struct ath_atx_tid *tid;
626 spin_lock_bh(&txq->axq_lock);
627 if (!list_empty(&txq->axq_acq)) {
628 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
630 len += snprintf(buf + len, size - len,
631 "txq[%i] first-ac: %p sched: %i\n",
633 if (list_empty(&ac->tid_q) || (len >= size))
635 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
637 len += snprintf(buf + len, size - len,
638 " first-tid: %p sched: %i paused: %i\n",
639 tid, tid->sched, tid->paused);
642 spin_unlock_bh(&txq->axq_lock);
649 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
655 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
656 size_t count, loff_t *ppos)
658 struct ath_softc *sc = file->private_data;
660 unsigned int len = 0, size = 64000;
661 struct ath_node *an = NULL;
665 buf = kzalloc(size, GFP_KERNEL);
669 len += snprintf(buf + len, size - len,
671 " tid: addr sched paused buf_q-empty an ac baw\n"
672 " ac: addr sched tid_q-empty txq\n");
674 spin_lock(&sc->nodes_lock);
675 list_for_each_entry(an, &sc->nodes, list) {
676 unsigned short ma = an->maxampdu;
678 ma = 65535; /* see ath_lookup_rate */
679 len += snprintf(buf + len, size - len,
680 "iface: %pM sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
681 an->vif->addr, an->sta->addr, ma,
682 (unsigned int)(an->mpdudensity));
686 for (q = 0; q < WME_NUM_TID; q++) {
687 struct ath_atx_tid *tid = &(an->tid[q]);
688 len += snprintf(buf + len, size - len,
689 " tid: %p %s %s %i %p %p %hu\n",
690 tid, tid->sched ? "sched" : "idle",
691 tid->paused ? "paused" : "running",
692 skb_queue_empty(&tid->buf_q),
693 tid->an, tid->ac, tid->baw_size);
698 for (q = 0; q < WME_NUM_AC; q++) {
699 struct ath_atx_ac *ac = &(an->ac[q]);
700 len += snprintf(buf + len, size - len,
701 " ac: %p %s %i %p\n",
702 ac, ac->sched ? "sched" : "idle",
703 list_empty(&ac->tid_q), ac->txq);
710 spin_unlock(&sc->nodes_lock);
714 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
720 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
721 size_t count, loff_t *ppos)
723 struct ath_softc *sc = file->private_data;
724 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
725 struct ieee80211_hw *hw = sc->hw;
726 struct ath9k_vif_iter_data iter_data;
728 unsigned int len = 0;
733 len += snprintf(buf + len, sizeof(buf) - len,
734 "BSSID: %pM\n", common->curbssid);
735 len += snprintf(buf + len, sizeof(buf) - len,
736 "BSSID-MASK: %pM\n", common->bssidmask);
737 len += snprintf(buf + len, sizeof(buf) - len,
738 "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
741 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
742 ath9k_ps_restore(sc);
744 len += snprintf(buf + len, sizeof(buf) - len,
745 "RXFILTER: 0x%x", rxfilter);
747 if (rxfilter & ATH9K_RX_FILTER_UCAST)
748 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
749 if (rxfilter & ATH9K_RX_FILTER_MCAST)
750 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
751 if (rxfilter & ATH9K_RX_FILTER_BCAST)
752 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
753 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
754 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
755 if (rxfilter & ATH9K_RX_FILTER_BEACON)
756 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
757 if (rxfilter & ATH9K_RX_FILTER_PROM)
758 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
759 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
760 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
761 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
762 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
763 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
764 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
765 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
766 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
767 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
768 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
769 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
770 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
771 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
772 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
773 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
774 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
776 len += snprintf(buf + len, sizeof(buf) - len, "\n");
778 reg = sc->sc_ah->imask;
780 len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
782 if (reg & ATH9K_INT_SWBA)
783 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
784 if (reg & ATH9K_INT_BMISS)
785 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
786 if (reg & ATH9K_INT_CST)
787 len += snprintf(buf + len, sizeof(buf) - len, " CST");
788 if (reg & ATH9K_INT_RX)
789 len += snprintf(buf + len, sizeof(buf) - len, " RX");
790 if (reg & ATH9K_INT_RXHP)
791 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
792 if (reg & ATH9K_INT_RXLP)
793 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
794 if (reg & ATH9K_INT_BB_WATCHDOG)
795 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
797 len += snprintf(buf + len, sizeof(buf) - len, "\n");
799 ath9k_calculate_iter_data(hw, NULL, &iter_data);
801 len += snprintf(buf + len, sizeof(buf) - len,
802 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
803 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
804 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
805 iter_data.nwds, iter_data.nadhocs,
806 sc->nvifs, sc->nbcnvifs);
808 if (len > sizeof(buf))
811 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
815 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
816 size_t count, loff_t *ppos)
818 struct ath_softc *sc = file->private_data;
820 unsigned int len = 0;
822 len += snprintf(buf + len, sizeof(buf) - len,
823 "%17s: %2d\n", "Baseband Hang",
824 sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
825 len += snprintf(buf + len, sizeof(buf) - len,
826 "%17s: %2d\n", "Baseband Watchdog",
827 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
828 len += snprintf(buf + len, sizeof(buf) - len,
829 "%17s: %2d\n", "Fatal HW Error",
830 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
831 len += snprintf(buf + len, sizeof(buf) - len,
832 "%17s: %2d\n", "TX HW error",
833 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
834 len += snprintf(buf + len, sizeof(buf) - len,
835 "%17s: %2d\n", "TX Path Hang",
836 sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
837 len += snprintf(buf + len, sizeof(buf) - len,
838 "%17s: %2d\n", "PLL RX Hang",
839 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
841 if (len > sizeof(buf))
844 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
847 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
848 struct ath_tx_status *ts, struct ath_txq *txq,
851 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
853 int qnum = txq->axq_qnum;
855 TX_STAT_INC(qnum, tx_pkts_all);
856 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
858 if (bf_isampdu(bf)) {
859 if (flags & ATH_TX_ERROR)
860 TX_STAT_INC(qnum, a_xretries);
862 TX_STAT_INC(qnum, a_completed);
864 if (ts->ts_status & ATH9K_TXERR_XRETRY)
865 TX_STAT_INC(qnum, xretries);
867 TX_STAT_INC(qnum, completed);
870 if (ts->ts_status & ATH9K_TXERR_FIFO)
871 TX_STAT_INC(qnum, fifo_underrun);
872 if (ts->ts_status & ATH9K_TXERR_XTXOP)
873 TX_STAT_INC(qnum, xtxop);
874 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
875 TX_STAT_INC(qnum, timer_exp);
876 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
877 TX_STAT_INC(qnum, desc_cfg_err);
878 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
879 TX_STAT_INC(qnum, data_underrun);
880 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
881 TX_STAT_INC(qnum, delim_underrun);
883 #ifdef CONFIG_ATH9K_MAC_DEBUG
884 spin_lock(&sc->debug.samp_lock);
885 TX_SAMP_DBG(jiffies) = jiffies;
886 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
887 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
888 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
889 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
890 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
891 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
892 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
893 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
894 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
895 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
896 TX_SAMP_DBG(rssi) = ts->ts_rssi;
897 TX_SAMP_DBG(tid) = ts->tid;
898 TX_SAMP_DBG(qid) = ts->qid;
900 if (ts->ts_flags & ATH9K_TX_BA) {
901 TX_SAMP_DBG(ba_low) = ts->ba_low;
902 TX_SAMP_DBG(ba_high) = ts->ba_high;
904 TX_SAMP_DBG(ba_low) = 0;
905 TX_SAMP_DBG(ba_high) = 0;
908 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
909 spin_unlock(&sc->debug.samp_lock);
915 static const struct file_operations fops_xmit = {
916 .read = read_file_xmit,
918 .owner = THIS_MODULE,
919 .llseek = default_llseek,
922 static const struct file_operations fops_stations = {
923 .read = read_file_stations,
925 .owner = THIS_MODULE,
926 .llseek = default_llseek,
929 static const struct file_operations fops_misc = {
930 .read = read_file_misc,
932 .owner = THIS_MODULE,
933 .llseek = default_llseek,
936 static const struct file_operations fops_reset = {
937 .read = read_file_reset,
939 .owner = THIS_MODULE,
940 .llseek = default_llseek,
943 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
944 size_t count, loff_t *ppos)
946 #define PHY_ERR(s, p) \
947 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
948 sc->debug.stats.rxstats.phy_err_stats[p]);
950 #define RXS_ERR(s, e) \
952 len += snprintf(buf + len, size - len, \
953 "%22s : %10u\n", s, \
954 sc->debug.stats.rxstats.e); \
957 struct ath_softc *sc = file->private_data;
959 unsigned int len = 0, size = 1600;
962 buf = kzalloc(size, GFP_KERNEL);
966 RXS_ERR("CRC ERR", crc_err);
967 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
968 RXS_ERR("PHY ERR", phy_err);
969 RXS_ERR("MIC ERR", mic_err);
970 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
971 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
972 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
973 RXS_ERR("RX-LENGTH-ERR", rx_len_err);
974 RXS_ERR("RX-OOM-ERR", rx_oom_err);
975 RXS_ERR("RX-RATE-ERR", rx_rate_err);
976 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
978 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
979 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
980 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
981 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
982 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
983 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
984 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
985 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
986 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
987 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
988 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
989 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
990 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
991 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
992 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
993 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
994 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
995 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
996 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
997 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
998 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
999 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1000 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
1001 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
1002 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1003 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1005 RXS_ERR("RX-Pkts-All", rx_pkts_all);
1006 RXS_ERR("RX-Bytes-All", rx_bytes_all);
1007 RXS_ERR("RX-Beacons", rx_beacons);
1008 RXS_ERR("RX-Frags", rx_frags);
1013 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1022 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1024 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1025 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1026 [sc->debug.rsidx].c)
1028 RX_STAT_INC(rx_pkts_all);
1029 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1031 if (rs->rs_status & ATH9K_RXERR_CRC)
1032 RX_STAT_INC(crc_err);
1033 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1034 RX_STAT_INC(decrypt_crc_err);
1035 if (rs->rs_status & ATH9K_RXERR_MIC)
1036 RX_STAT_INC(mic_err);
1037 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1038 RX_STAT_INC(pre_delim_crc_err);
1039 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1040 RX_STAT_INC(post_delim_crc_err);
1041 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1042 RX_STAT_INC(decrypt_busy_err);
1044 if (rs->rs_status & ATH9K_RXERR_PHY) {
1045 RX_STAT_INC(phy_err);
1046 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
1047 RX_PHY_ERR_INC(rs->rs_phyerr);
1050 #ifdef CONFIG_ATH9K_MAC_DEBUG
1051 spin_lock(&sc->debug.samp_lock);
1052 RX_SAMP_DBG(jiffies) = jiffies;
1053 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1054 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1055 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1056 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1057 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1058 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1059 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1060 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1061 RX_SAMP_DBG(rate) = rs->rs_rate;
1062 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1064 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1065 spin_unlock(&sc->debug.samp_lock);
1069 #undef RX_PHY_ERR_INC
1073 static const struct file_operations fops_recv = {
1074 .read = read_file_recv,
1075 .open = simple_open,
1076 .owner = THIS_MODULE,
1077 .llseek = default_llseek,
1080 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1081 size_t count, loff_t *ppos)
1083 struct ath_softc *sc = file->private_data;
1087 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1088 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1091 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1092 size_t count, loff_t *ppos)
1094 struct ath_softc *sc = file->private_data;
1095 unsigned long regidx;
1099 len = min(count, sizeof(buf) - 1);
1100 if (copy_from_user(buf, user_buf, len))
1104 if (strict_strtoul(buf, 0, ®idx))
1107 sc->debug.regidx = regidx;
1111 static const struct file_operations fops_regidx = {
1112 .read = read_file_regidx,
1113 .write = write_file_regidx,
1114 .open = simple_open,
1115 .owner = THIS_MODULE,
1116 .llseek = default_llseek,
1119 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1120 size_t count, loff_t *ppos)
1122 struct ath_softc *sc = file->private_data;
1123 struct ath_hw *ah = sc->sc_ah;
1128 ath9k_ps_wakeup(sc);
1129 regval = REG_READ_D(ah, sc->debug.regidx);
1130 ath9k_ps_restore(sc);
1131 len = sprintf(buf, "0x%08x\n", regval);
1132 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1135 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1136 size_t count, loff_t *ppos)
1138 struct ath_softc *sc = file->private_data;
1139 struct ath_hw *ah = sc->sc_ah;
1140 unsigned long regval;
1144 len = min(count, sizeof(buf) - 1);
1145 if (copy_from_user(buf, user_buf, len))
1149 if (strict_strtoul(buf, 0, ®val))
1152 ath9k_ps_wakeup(sc);
1153 REG_WRITE_D(ah, sc->debug.regidx, regval);
1154 ath9k_ps_restore(sc);
1158 static const struct file_operations fops_regval = {
1159 .read = read_file_regval,
1160 .write = write_file_regval,
1161 .open = simple_open,
1162 .owner = THIS_MODULE,
1163 .llseek = default_llseek,
1166 #define REGDUMP_LINE_SIZE 20
1168 static int open_file_regdump(struct inode *inode, struct file *file)
1170 struct ath_softc *sc = inode->i_private;
1171 unsigned int len = 0;
1174 unsigned long num_regs, regdump_len, max_reg_offset;
1176 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1177 num_regs = max_reg_offset / 4 + 1;
1178 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1179 buf = vmalloc(regdump_len);
1183 ath9k_ps_wakeup(sc);
1184 for (i = 0; i < num_regs; i++)
1185 len += scnprintf(buf + len, regdump_len - len,
1186 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1187 ath9k_ps_restore(sc);
1189 file->private_data = buf;
1194 static const struct file_operations fops_regdump = {
1195 .open = open_file_regdump,
1196 .read = ath9k_debugfs_read_buf,
1197 .release = ath9k_debugfs_release_buf,
1198 .owner = THIS_MODULE,
1199 .llseek = default_llseek,/* read accesses f_pos */
1202 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1203 size_t count, loff_t *ppos)
1205 struct ath_softc *sc = file->private_data;
1206 struct ath_hw *ah = sc->sc_ah;
1207 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1208 struct ath_common *common = ath9k_hw_common(ah);
1209 struct ieee80211_conf *conf = &common->hw->conf;
1210 u32 len = 0, size = 1500;
1214 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1217 buf = kzalloc(size, GFP_KERNEL);
1221 len += snprintf(buf + len, size - len,
1222 "Channel Noise Floor : %d\n", ah->noise);
1223 len += snprintf(buf + len, size - len,
1224 "Chain | privNF | # Readings | NF Readings\n");
1225 for (i = 0; i < NUM_NF_READINGS; i++) {
1226 if (!(chainmask & (1 << i)) ||
1227 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1230 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1231 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1232 i, h[i].privNF, nread);
1233 for (j = 0; j < nread; j++)
1234 len += snprintf(buf + len, size - len,
1235 " %d", h[i].nfCalBuffer[j]);
1236 len += snprintf(buf + len, size - len, "\n");
1242 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1248 static const struct file_operations fops_dump_nfcal = {
1249 .read = read_file_dump_nfcal,
1250 .open = simple_open,
1251 .owner = THIS_MODULE,
1252 .llseek = default_llseek,
1255 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1256 size_t count, loff_t *ppos)
1258 struct ath_softc *sc = file->private_data;
1259 struct ath_hw *ah = sc->sc_ah;
1260 u32 len = 0, size = 1500;
1264 buf = kzalloc(size, GFP_KERNEL);
1268 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1270 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1276 static const struct file_operations fops_base_eeprom = {
1277 .read = read_file_base_eeprom,
1278 .open = simple_open,
1279 .owner = THIS_MODULE,
1280 .llseek = default_llseek,
1283 static ssize_t read_file_modal_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 = 6000;
1292 buf = kzalloc(size, GFP_KERNEL);
1296 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1298 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1304 static const struct file_operations fops_modal_eeprom = {
1305 .read = read_file_modal_eeprom,
1306 .open = simple_open,
1307 .owner = THIS_MODULE,
1308 .llseek = default_llseek,
1311 #ifdef CONFIG_ATH9K_MAC_DEBUG
1313 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1315 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1316 struct ath_hw *ah = sc->sc_ah;
1317 struct ath_common *common = ath9k_hw_common(ah);
1318 unsigned long flags;
1321 ath9k_ps_wakeup(sc);
1323 spin_lock_bh(&sc->debug.samp_lock);
1325 spin_lock_irqsave(&common->cc_lock, flags);
1326 ath_hw_cycle_counters_update(common);
1328 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1329 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1330 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1331 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1332 spin_unlock_irqrestore(&common->cc_lock, flags);
1334 ATH_SAMP_DBG(noise) = ah->noise;
1336 REG_WRITE_D(ah, AR_MACMISC,
1337 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1338 (AR_MACMISC_MISC_OBS_BUS_1 <<
1339 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1341 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1342 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1343 AR_DMADBG_0 + (i * sizeof(u32)));
1345 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1346 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1348 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1349 sizeof(ATH_SAMP_DBG(nfCalHist)));
1351 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1352 spin_unlock_bh(&sc->debug.samp_lock);
1353 ath9k_ps_restore(sc);
1358 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1360 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1361 struct ath_softc *sc = inode->i_private;
1362 struct ath_hw *ah = sc->sc_ah;
1363 struct ath_common *common = ath9k_hw_common(ah);
1364 struct ieee80211_conf *conf = &common->hw->conf;
1365 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1366 struct ath9k_nfcal_hist *h;
1367 int i, j, qcuOffset = 0, dcuOffset = 0;
1368 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1371 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1374 if (test_bit(SC_OP_INVALID, &sc->sc_flags))
1377 buf = vmalloc(size);
1380 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1385 /* Account the current state too */
1386 ath9k_debug_samp_bb_mac(sc);
1388 spin_lock_bh(&sc->debug.samp_lock);
1389 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1390 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1391 len += snprintf(buf + len, size - len,
1392 "Current Sample Index: %d\n", sc->debug.sampidx);
1393 spin_unlock_bh(&sc->debug.samp_lock);
1395 len += snprintf(buf + len, size - len,
1396 "Raw DMA Debug Dump:\n");
1397 len += snprintf(buf + len, size - len, "Sample |\t");
1398 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1399 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1400 len += snprintf(buf + len, size - len, "\n");
1402 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1403 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1405 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1406 len += snprintf(buf + len, size - len, " %08x\t",
1407 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1408 len += snprintf(buf + len, size - len, "\n");
1410 len += snprintf(buf + len, size - len, "\n");
1412 len += snprintf(buf + len, size - len,
1413 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1414 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1415 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1416 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1418 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1419 qcuOffset += 4, dcuOffset += 5) {
1429 if (!sc->debug.stats.txstats[i].queued)
1432 len += snprintf(buf + len, size - len,
1433 "%4d %7d %2x %1x %2x %2x\n",
1435 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1436 (*qcuBase & (0x8 << qcuOffset)) >>
1438 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1439 (0x7 << (i * 3)) >> (i * 3),
1440 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1442 len += snprintf(buf + len, size - len, "\n");
1444 len += snprintf(buf + len, size - len,
1445 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1446 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1447 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1449 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1450 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1451 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1453 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1454 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1455 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1456 len += snprintf(buf + len, size - len, "%7x %8x ",
1457 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1458 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1459 len += snprintf(buf + len, size - len, "%7x %7x ",
1460 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1461 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1462 len += snprintf(buf + len, size - len, "%7d %12d ",
1463 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1464 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1465 len += snprintf(buf + len, size - len, "%12d %12d ",
1466 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1467 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1468 len += snprintf(buf + len, size - len, "%12d %12d ",
1469 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1470 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1471 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1472 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1475 len += snprintf(buf + len, size - len,
1476 "Sample ChNoise Chain privNF #Reading Readings\n");
1477 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1478 h = ATH_SAMP_DBG(nfCalHist);
1479 if (!ATH_SAMP_DBG(noise))
1482 for (i = 0; i < NUM_NF_READINGS; i++) {
1483 if (!(chainmask & (1 << i)) ||
1484 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1487 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1488 h[i].invalidNFcount;
1489 len += snprintf(buf + len, size - len,
1490 "%4d %5d %4d\t %d\t %d\t",
1491 sampidx, ATH_SAMP_DBG(noise),
1492 i, h[i].privNF, nread);
1493 for (j = 0; j < nread; j++)
1494 len += snprintf(buf + len, size - len,
1495 " %d", h[i].nfCalBuffer[j]);
1496 len += snprintf(buf + len, size - len, "\n");
1499 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1500 "Sample Total Rxbusy Rxframes Txframes\n");
1501 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1502 if (!ATH_SAMP_DBG(cc.cycles))
1504 len += snprintf(buf + len, size - len,
1505 "%4d %08x %08x %08x %08x\n",
1506 sampidx, ATH_SAMP_DBG(cc.cycles),
1507 ATH_SAMP_DBG(cc.rx_busy),
1508 ATH_SAMP_DBG(cc.rx_frame),
1509 ATH_SAMP_DBG(cc.tx_frame));
1512 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1513 len += snprintf(buf + len, size - len,
1514 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1515 "isok rts_fail data_fail rate tid qid "
1516 "ba_low ba_high tx_before(ms)\n");
1517 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1518 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1519 if (!ATH_SAMP_DBG(ts[i].jiffies))
1521 len += snprintf(buf + len, size - len, "%-14d"
1522 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1523 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1525 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1526 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1527 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1528 ATH_SAMP_DBG(ts[i].rssi_ext0),
1529 ATH_SAMP_DBG(ts[i].rssi_ext1),
1530 ATH_SAMP_DBG(ts[i].rssi_ext2),
1531 ATH_SAMP_DBG(ts[i].rssi),
1532 ATH_SAMP_DBG(ts[i].isok),
1533 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1534 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1535 ATH_SAMP_DBG(ts[i].rateindex),
1536 ATH_SAMP_DBG(ts[i].tid),
1537 ATH_SAMP_DBG(ts[i].qid),
1538 ATH_SAMP_DBG(ts[i].ba_low),
1539 ATH_SAMP_DBG(ts[i].ba_high),
1540 jiffies_to_msecs(jiffies -
1541 ATH_SAMP_DBG(ts[i].jiffies)));
1545 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1546 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1547 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1548 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1549 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1550 if (!ATH_SAMP_DBG(rs[i].jiffies))
1552 len += snprintf(buf + len, size - len, "%-14d"
1553 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1555 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1556 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1557 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1558 ATH_SAMP_DBG(rs[i].rssi_ext0),
1559 ATH_SAMP_DBG(rs[i].rssi_ext1),
1560 ATH_SAMP_DBG(rs[i].rssi_ext2),
1561 ATH_SAMP_DBG(rs[i].rssi),
1562 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1564 ATH_SAMP_DBG(rs[i].antenna),
1565 ATH_SAMP_DBG(rs[i].rate),
1566 jiffies_to_msecs(jiffies -
1567 ATH_SAMP_DBG(rs[i].jiffies)));
1572 file->private_data = buf;
1578 static const struct file_operations fops_samps = {
1579 .open = open_file_bb_mac_samps,
1580 .read = ath9k_debugfs_read_buf,
1581 .release = ath9k_debugfs_release_buf,
1582 .owner = THIS_MODULE,
1583 .llseek = default_llseek,
1588 int ath9k_init_debug(struct ath_hw *ah)
1590 struct ath_common *common = ath9k_hw_common(ah);
1591 struct ath_softc *sc = (struct ath_softc *) common->priv;
1593 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1594 sc->hw->wiphy->debugfsdir);
1595 if (!sc->debug.debugfs_phy)
1598 #ifdef CONFIG_ATH_DEBUG
1599 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1603 ath9k_dfs_init_debug(sc);
1605 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1607 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1609 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1611 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1612 &sc->tx.txq_max_pending[WME_AC_BK]);
1613 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1614 &sc->tx.txq_max_pending[WME_AC_BE]);
1615 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1616 &sc->tx.txq_max_pending[WME_AC_VI]);
1617 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1618 &sc->tx.txq_max_pending[WME_AC_VO]);
1619 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1621 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1623 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1625 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1627 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1628 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1629 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1630 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1631 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1632 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1633 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1634 &sc->sc_ah->config.enable_paprd);
1635 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1637 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1639 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1640 sc->debug.debugfs_phy,
1641 &ah->config.cwm_ignore_extcca);
1642 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1644 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1646 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1648 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1649 &fops_modal_eeprom);
1650 #ifdef CONFIG_ATH9K_MAC_DEBUG
1651 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1654 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1655 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1656 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1657 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1658 debugfs_create_file("diversity", S_IRUSR | S_IWUSR,
1659 sc->debug.debugfs_phy, sc, &fops_ant_diversity);