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_dma(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_hw
*ah
= sc
->sc_ah
;
232 unsigned int len
= 0;
233 u32 val
[ATH9K_NUM_DMA_DEBUG_REGS
];
234 int i
, qcuOffset
= 0, dcuOffset
= 0;
235 u32
*qcuBase
= &val
[0], *dcuBase
= &val
[4];
237 buf
= kmalloc(DMA_BUF_LEN
, GFP_KERNEL
);
243 REG_WRITE_D(ah
, AR_MACMISC
,
244 ((AR_MACMISC_DMA_OBS_LINE_8
<< AR_MACMISC_DMA_OBS_S
) |
245 (AR_MACMISC_MISC_OBS_BUS_1
<<
246 AR_MACMISC_MISC_OBS_BUS_MSB_S
)));
248 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
249 "Raw DMA Debug values:\n");
251 for (i
= 0; i
< ATH9K_NUM_DMA_DEBUG_REGS
; i
++) {
253 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n");
255 val
[i
] = REG_READ_D(ah
, AR_DMADBG_0
+ (i
* sizeof(u32
)));
256 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "%d: %08x ",
260 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n\n");
261 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
262 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
264 for (i
= 0; i
< ATH9K_NUM_QUEUES
; i
++, qcuOffset
+= 4, dcuOffset
+= 5) {
275 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
276 "%2d %2x %1x %2x %2x\n",
277 i
, (*qcuBase
& (0x7 << qcuOffset
)) >> qcuOffset
,
278 (*qcuBase
& (0x8 << qcuOffset
)) >> (qcuOffset
+ 3),
279 val
[2] & (0x7 << (i
* 3)) >> (i
* 3),
280 (*dcuBase
& (0x1f << dcuOffset
)) >> dcuOffset
);
283 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n");
285 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
286 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
287 (val
[3] & 0x003c0000) >> 18, (val
[3] & 0x03c00000) >> 22);
288 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
289 "qcu_complete state: %2x dcu_complete state: %2x\n",
290 (val
[3] & 0x1c000000) >> 26, (val
[6] & 0x3));
291 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
292 "dcu_arb state: %2x dcu_fp state: %2x\n",
293 (val
[5] & 0x06000000) >> 25, (val
[5] & 0x38000000) >> 27);
294 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
295 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
296 (val
[6] & 0x000003fc) >> 2, (val
[6] & 0x00000400) >> 10);
297 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
298 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
299 (val
[6] & 0x00000800) >> 11, (val
[6] & 0x00001000) >> 12);
300 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
301 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
302 (val
[6] & 0x0001e000) >> 13, (val
[6] & 0x001e0000) >> 17);
304 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "pcu observe: 0x%x\n",
305 REG_READ_D(ah
, AR_OBS_BUS_1
));
306 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
307 "AR_CR: 0x%x\n", REG_READ_D(ah
, AR_CR
));
309 ath9k_ps_restore(sc
);
311 if (len
> DMA_BUF_LEN
)
314 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
319 static const struct file_operations fops_dma
= {
320 .read
= read_file_dma
,
322 .owner
= THIS_MODULE
,
323 .llseek
= default_llseek
,
327 void ath_debug_stat_interrupt(struct ath_softc
*sc
, enum ath9k_int status
)
330 sc
->debug
.stats
.istats
.total
++;
331 if (sc
->sc_ah
->caps
.hw_caps
& ATH9K_HW_CAP_EDMA
) {
332 if (status
& ATH9K_INT_RXLP
)
333 sc
->debug
.stats
.istats
.rxlp
++;
334 if (status
& ATH9K_INT_RXHP
)
335 sc
->debug
.stats
.istats
.rxhp
++;
336 if (status
& ATH9K_INT_BB_WATCHDOG
)
337 sc
->debug
.stats
.istats
.bb_watchdog
++;
339 if (status
& ATH9K_INT_RX
)
340 sc
->debug
.stats
.istats
.rxok
++;
342 if (status
& ATH9K_INT_RXEOL
)
343 sc
->debug
.stats
.istats
.rxeol
++;
344 if (status
& ATH9K_INT_RXORN
)
345 sc
->debug
.stats
.istats
.rxorn
++;
346 if (status
& ATH9K_INT_TX
)
347 sc
->debug
.stats
.istats
.txok
++;
348 if (status
& ATH9K_INT_TXURN
)
349 sc
->debug
.stats
.istats
.txurn
++;
350 if (status
& ATH9K_INT_RXPHY
)
351 sc
->debug
.stats
.istats
.rxphyerr
++;
352 if (status
& ATH9K_INT_RXKCM
)
353 sc
->debug
.stats
.istats
.rx_keycache_miss
++;
354 if (status
& ATH9K_INT_SWBA
)
355 sc
->debug
.stats
.istats
.swba
++;
356 if (status
& ATH9K_INT_BMISS
)
357 sc
->debug
.stats
.istats
.bmiss
++;
358 if (status
& ATH9K_INT_BNR
)
359 sc
->debug
.stats
.istats
.bnr
++;
360 if (status
& ATH9K_INT_CST
)
361 sc
->debug
.stats
.istats
.cst
++;
362 if (status
& ATH9K_INT_GTT
)
363 sc
->debug
.stats
.istats
.gtt
++;
364 if (status
& ATH9K_INT_TIM
)
365 sc
->debug
.stats
.istats
.tim
++;
366 if (status
& ATH9K_INT_CABEND
)
367 sc
->debug
.stats
.istats
.cabend
++;
368 if (status
& ATH9K_INT_DTIMSYNC
)
369 sc
->debug
.stats
.istats
.dtimsync
++;
370 if (status
& ATH9K_INT_DTIM
)
371 sc
->debug
.stats
.istats
.dtim
++;
372 if (status
& ATH9K_INT_TSFOOR
)
373 sc
->debug
.stats
.istats
.tsfoor
++;
374 if (status
& ATH9K_INT_MCI
)
375 sc
->debug
.stats
.istats
.mci
++;
378 static ssize_t
read_file_interrupt(struct file
*file
, char __user
*user_buf
,
379 size_t count
, loff_t
*ppos
)
381 struct ath_softc
*sc
= file
->private_data
;
382 unsigned int len
= 0;
385 char *buf
= kmalloc(mxlen
, GFP_KERNEL
);
389 #define PR_IS(a, s) \
391 len += snprintf(buf + len, mxlen - len, \
393 sc->debug.stats.istats.s); \
396 if (sc
->sc_ah
->caps
.hw_caps
& ATH9K_HW_CAP_EDMA
) {
399 PR_IS("WATHDOG", bb_watchdog
);
403 PR_IS("RXEOL", rxeol
);
404 PR_IS("RXORN", rxorn
);
406 PR_IS("TXURN", txurn
);
408 PR_IS("RXPHY", rxphyerr
);
409 PR_IS("RXKCM", rx_keycache_miss
);
411 PR_IS("BMISS", bmiss
);
416 PR_IS("CABEND", cabend
);
417 PR_IS("DTIMSYNC", dtimsync
);
419 PR_IS("TSFOOR", tsfoor
);
421 PR_IS("TOTAL", total
);
423 len
+= snprintf(buf
+ len
, mxlen
- len
,
424 "SYNC_CAUSE stats:\n");
426 PR_IS("Sync-All", sync_cause_all
);
427 PR_IS("RTC-IRQ", sync_rtc_irq
);
428 PR_IS("MAC-IRQ", sync_mac_irq
);
429 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access
);
430 PR_IS("APB-Timeout", apb_timeout
);
431 PR_IS("PCI-Mode-Conflict", pci_mode_conflict
);
432 PR_IS("HOST1-Fatal", host1_fatal
);
433 PR_IS("HOST1-Perr", host1_perr
);
434 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr
);
435 PR_IS("RADM-CPL-EP", radm_cpl_ep
);
436 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort
);
437 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort
);
438 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err
);
439 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout
);
440 PR_IS("Local-Bus-Timeout", local_timeout
);
441 PR_IS("PM-Access", pm_access
);
442 PR_IS("MAC-Awake", mac_awake
);
443 PR_IS("MAC-Asleep", mac_asleep
);
444 PR_IS("MAC-Sleep-Access", mac_sleep_access
);
449 rv
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
454 static const struct file_operations fops_interrupt
= {
455 .read
= read_file_interrupt
,
457 .owner
= THIS_MODULE
,
458 .llseek
= default_llseek
,
461 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
462 #define PR(str, elem) \
464 len += snprintf(buf + len, size - len, \
465 "%s%13u%11u%10u%10u\n", str, \
466 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
467 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
468 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
469 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
474 #define PRX(str, elem) \
476 len += snprintf(buf + len, size - len, \
477 "%s%13u%11u%10u%10u\n", str, \
478 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
479 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
480 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
481 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
486 #define PRQLE(str, elem) \
488 len += snprintf(buf + len, size - len, \
489 "%s%13i%11i%10i%10i\n", str, \
490 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
491 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
492 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
493 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
498 static ssize_t
read_file_xmit(struct file
*file
, char __user
*user_buf
,
499 size_t count
, loff_t
*ppos
)
501 struct ath_softc
*sc
= file
->private_data
;
503 unsigned int len
= 0, size
= 8000;
508 buf
= kzalloc(size
, GFP_KERNEL
);
512 len
+= sprintf(buf
, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
513 " poll-work-seen: %u\n"
514 "%30s %10s%10s%10s\n\n",
515 ATH9K_NUM_TX_QUEUES
, sc
->tx
.txqsetup
,
516 sc
->tx_complete_poll_work_seen
,
517 "BE", "BK", "VI", "VO");
519 PR("MPDUs Queued: ", queued
);
520 PR("MPDUs Completed: ", completed
);
521 PR("MPDUs XRetried: ", xretries
);
522 PR("Aggregates: ", a_aggr
);
523 PR("AMPDUs Queued HW:", a_queued_hw
);
524 PR("AMPDUs Queued SW:", a_queued_sw
);
525 PR("AMPDUs Completed:", a_completed
);
526 PR("AMPDUs Retried: ", a_retries
);
527 PR("AMPDUs XRetried: ", a_xretries
);
528 PR("FIFO Underrun: ", fifo_underrun
);
529 PR("TXOP Exceeded: ", xtxop
);
530 PR("TXTIMER Expiry: ", timer_exp
);
531 PR("DESC CFG Error: ", desc_cfg_err
);
532 PR("DATA Underrun: ", data_underrun
);
533 PR("DELIM Underrun: ", delim_underrun
);
534 PR("TX-Pkts-All: ", tx_pkts_all
);
535 PR("TX-Bytes-All: ", tx_bytes_all
);
536 PR("hw-put-tx-buf: ", puttxbuf
);
537 PR("hw-tx-start: ", txstart
);
538 PR("hw-tx-proc-desc: ", txprocdesc
);
539 PR("TX-Failed: ", txfailed
);
540 len
+= snprintf(buf
+ len
, size
- len
,
541 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
542 sc
->tx
.txq_map
[WME_AC_BE
],
543 sc
->tx
.txq_map
[WME_AC_BK
],
544 sc
->tx
.txq_map
[WME_AC_VI
],
545 sc
->tx
.txq_map
[WME_AC_VO
]);
549 PRX("axq-qnum: ", axq_qnum
);
550 PRX("axq-depth: ", axq_depth
);
551 PRX("axq-ampdu_depth: ", axq_ampdu_depth
);
552 PRX("axq-stopped ", stopped
);
553 PRX("tx-in-progress ", axq_tx_inprogress
);
554 PRX("pending-frames ", pending_frames
);
555 PRX("txq_headidx: ", txq_headidx
);
556 PRX("txq_tailidx: ", txq_headidx
);
558 PRQLE("axq_q empty: ", axq_q
);
559 PRQLE("axq_acq empty: ", axq_acq
);
560 for (i
= 0; i
< ATH_TXFIFO_DEPTH
; i
++) {
561 snprintf(tmp
, sizeof(tmp
) - 1, "txq_fifo[%i] empty: ", i
);
562 PRQLE(tmp
, txq_fifo
[i
]);
565 /* Print out more detailed queue-info */
566 for (i
= 0; i
<= WME_AC_BK
; i
++) {
567 struct ath_txq
*txq
= &(sc
->tx
.txq
[i
]);
568 struct ath_atx_ac
*ac
;
569 struct ath_atx_tid
*tid
;
572 spin_lock_bh(&txq
->axq_lock
);
573 if (!list_empty(&txq
->axq_acq
)) {
574 ac
= list_first_entry(&txq
->axq_acq
, struct ath_atx_ac
,
576 len
+= snprintf(buf
+ len
, size
- len
,
577 "txq[%i] first-ac: %p sched: %i\n",
579 if (list_empty(&ac
->tid_q
) || (len
>= size
))
581 tid
= list_first_entry(&ac
->tid_q
, struct ath_atx_tid
,
583 len
+= snprintf(buf
+ len
, size
- len
,
584 " first-tid: %p sched: %i paused: %i\n",
585 tid
, tid
->sched
, tid
->paused
);
588 spin_unlock_bh(&txq
->axq_lock
);
595 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
601 static ssize_t
read_file_stations(struct file
*file
, char __user
*user_buf
,
602 size_t count
, loff_t
*ppos
)
604 struct ath_softc
*sc
= file
->private_data
;
606 unsigned int len
= 0, size
= 64000;
607 struct ath_node
*an
= NULL
;
611 buf
= kzalloc(size
, GFP_KERNEL
);
615 len
+= snprintf(buf
+ len
, size
- len
,
617 " tid: addr sched paused buf_q-empty an ac baw\n"
618 " ac: addr sched tid_q-empty txq\n");
620 spin_lock(&sc
->nodes_lock
);
621 list_for_each_entry(an
, &sc
->nodes
, list
) {
622 unsigned short ma
= an
->maxampdu
;
624 ma
= 65535; /* see ath_lookup_rate */
625 len
+= snprintf(buf
+ len
, size
- len
,
626 "iface: %pM sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
627 an
->vif
->addr
, an
->sta
->addr
, ma
,
628 (unsigned int)(an
->mpdudensity
));
632 for (q
= 0; q
< WME_NUM_TID
; q
++) {
633 struct ath_atx_tid
*tid
= &(an
->tid
[q
]);
634 len
+= snprintf(buf
+ len
, size
- len
,
635 " tid: %p %s %s %i %p %p %hu\n",
636 tid
, tid
->sched
? "sched" : "idle",
637 tid
->paused
? "paused" : "running",
638 skb_queue_empty(&tid
->buf_q
),
639 tid
->an
, tid
->ac
, tid
->baw_size
);
644 for (q
= 0; q
< WME_NUM_AC
; q
++) {
645 struct ath_atx_ac
*ac
= &(an
->ac
[q
]);
646 len
+= snprintf(buf
+ len
, size
- len
,
647 " ac: %p %s %i %p\n",
648 ac
, ac
->sched
? "sched" : "idle",
649 list_empty(&ac
->tid_q
), ac
->txq
);
656 spin_unlock(&sc
->nodes_lock
);
660 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
666 static ssize_t
read_file_misc(struct file
*file
, char __user
*user_buf
,
667 size_t count
, loff_t
*ppos
)
669 struct ath_softc
*sc
= file
->private_data
;
670 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
671 struct ieee80211_hw
*hw
= sc
->hw
;
672 struct ath9k_vif_iter_data iter_data
;
674 unsigned int len
= 0;
679 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
680 "BSSID: %pM\n", common
->curbssid
);
681 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
682 "BSSID-MASK: %pM\n", common
->bssidmask
);
683 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
684 "OPMODE: %s\n", ath_opmode_to_string(sc
->sc_ah
->opmode
));
687 rxfilter
= ath9k_hw_getrxfilter(sc
->sc_ah
);
688 ath9k_ps_restore(sc
);
690 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
691 "RXFILTER: 0x%x", rxfilter
);
693 if (rxfilter
& ATH9K_RX_FILTER_UCAST
)
694 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " UCAST");
695 if (rxfilter
& ATH9K_RX_FILTER_MCAST
)
696 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " MCAST");
697 if (rxfilter
& ATH9K_RX_FILTER_BCAST
)
698 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " BCAST");
699 if (rxfilter
& ATH9K_RX_FILTER_CONTROL
)
700 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " CONTROL");
701 if (rxfilter
& ATH9K_RX_FILTER_BEACON
)
702 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " BEACON");
703 if (rxfilter
& ATH9K_RX_FILTER_PROM
)
704 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PROM");
705 if (rxfilter
& ATH9K_RX_FILTER_PROBEREQ
)
706 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PROBEREQ");
707 if (rxfilter
& ATH9K_RX_FILTER_PHYERR
)
708 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PHYERR");
709 if (rxfilter
& ATH9K_RX_FILTER_MYBEACON
)
710 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " MYBEACON");
711 if (rxfilter
& ATH9K_RX_FILTER_COMP_BAR
)
712 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " COMP_BAR");
713 if (rxfilter
& ATH9K_RX_FILTER_PSPOLL
)
714 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PSPOLL");
715 if (rxfilter
& ATH9K_RX_FILTER_PHYRADAR
)
716 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PHYRADAR");
717 if (rxfilter
& ATH9K_RX_FILTER_MCAST_BCAST_ALL
)
718 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " MCAST_BCAST_ALL");
719 if (rxfilter
& ATH9K_RX_FILTER_CONTROL_WRAPPER
)
720 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " CONTROL_WRAPPER");
722 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, "\n");
724 reg
= sc
->sc_ah
->imask
;
726 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, "INTERRUPT-MASK: 0x%x", reg
);
728 if (reg
& ATH9K_INT_SWBA
)
729 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " SWBA");
730 if (reg
& ATH9K_INT_BMISS
)
731 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " BMISS");
732 if (reg
& ATH9K_INT_CST
)
733 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " CST");
734 if (reg
& ATH9K_INT_RX
)
735 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " RX");
736 if (reg
& ATH9K_INT_RXHP
)
737 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " RXHP");
738 if (reg
& ATH9K_INT_RXLP
)
739 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " RXLP");
740 if (reg
& ATH9K_INT_BB_WATCHDOG
)
741 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " BB_WATCHDOG");
743 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, "\n");
745 ath9k_calculate_iter_data(hw
, NULL
, &iter_data
);
747 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
748 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
749 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
750 iter_data
.naps
, iter_data
.nstations
, iter_data
.nmeshes
,
751 iter_data
.nwds
, iter_data
.nadhocs
,
752 sc
->nvifs
, sc
->nbcnvifs
);
754 if (len
> sizeof(buf
))
757 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
761 static ssize_t
read_file_reset(struct file
*file
, char __user
*user_buf
,
762 size_t count
, loff_t
*ppos
)
764 struct ath_softc
*sc
= file
->private_data
;
766 unsigned int len
= 0;
768 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
769 "%17s: %2d\n", "Baseband Hang",
770 sc
->debug
.stats
.reset
[RESET_TYPE_BB_HANG
]);
771 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
772 "%17s: %2d\n", "Baseband Watchdog",
773 sc
->debug
.stats
.reset
[RESET_TYPE_BB_WATCHDOG
]);
774 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
775 "%17s: %2d\n", "Fatal HW Error",
776 sc
->debug
.stats
.reset
[RESET_TYPE_FATAL_INT
]);
777 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
778 "%17s: %2d\n", "TX HW error",
779 sc
->debug
.stats
.reset
[RESET_TYPE_TX_ERROR
]);
780 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
781 "%17s: %2d\n", "TX Path Hang",
782 sc
->debug
.stats
.reset
[RESET_TYPE_TX_HANG
]);
783 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
784 "%17s: %2d\n", "PLL RX Hang",
785 sc
->debug
.stats
.reset
[RESET_TYPE_PLL_HANG
]);
787 if (len
> sizeof(buf
))
790 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
793 void ath_debug_stat_tx(struct ath_softc
*sc
, struct ath_buf
*bf
,
794 struct ath_tx_status
*ts
, struct ath_txq
*txq
,
797 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
799 int qnum
= txq
->axq_qnum
;
801 TX_STAT_INC(qnum
, tx_pkts_all
);
802 sc
->debug
.stats
.txstats
[qnum
].tx_bytes_all
+= bf
->bf_mpdu
->len
;
804 if (bf_isampdu(bf
)) {
805 if (flags
& ATH_TX_ERROR
)
806 TX_STAT_INC(qnum
, a_xretries
);
808 TX_STAT_INC(qnum
, a_completed
);
810 if (ts
->ts_status
& ATH9K_TXERR_XRETRY
)
811 TX_STAT_INC(qnum
, xretries
);
813 TX_STAT_INC(qnum
, completed
);
816 if (ts
->ts_status
& ATH9K_TXERR_FIFO
)
817 TX_STAT_INC(qnum
, fifo_underrun
);
818 if (ts
->ts_status
& ATH9K_TXERR_XTXOP
)
819 TX_STAT_INC(qnum
, xtxop
);
820 if (ts
->ts_status
& ATH9K_TXERR_TIMER_EXPIRED
)
821 TX_STAT_INC(qnum
, timer_exp
);
822 if (ts
->ts_flags
& ATH9K_TX_DESC_CFG_ERR
)
823 TX_STAT_INC(qnum
, desc_cfg_err
);
824 if (ts
->ts_flags
& ATH9K_TX_DATA_UNDERRUN
)
825 TX_STAT_INC(qnum
, data_underrun
);
826 if (ts
->ts_flags
& ATH9K_TX_DELIM_UNDERRUN
)
827 TX_STAT_INC(qnum
, delim_underrun
);
829 #ifdef CONFIG_ATH9K_MAC_DEBUG
830 spin_lock(&sc
->debug
.samp_lock
);
831 TX_SAMP_DBG(jiffies
) = jiffies
;
832 TX_SAMP_DBG(rssi_ctl0
) = ts
->ts_rssi_ctl0
;
833 TX_SAMP_DBG(rssi_ctl1
) = ts
->ts_rssi_ctl1
;
834 TX_SAMP_DBG(rssi_ctl2
) = ts
->ts_rssi_ctl2
;
835 TX_SAMP_DBG(rssi_ext0
) = ts
->ts_rssi_ext0
;
836 TX_SAMP_DBG(rssi_ext1
) = ts
->ts_rssi_ext1
;
837 TX_SAMP_DBG(rssi_ext2
) = ts
->ts_rssi_ext2
;
838 TX_SAMP_DBG(rateindex
) = ts
->ts_rateindex
;
839 TX_SAMP_DBG(isok
) = !!(ts
->ts_status
& ATH9K_TXERR_MASK
);
840 TX_SAMP_DBG(rts_fail_cnt
) = ts
->ts_shortretry
;
841 TX_SAMP_DBG(data_fail_cnt
) = ts
->ts_longretry
;
842 TX_SAMP_DBG(rssi
) = ts
->ts_rssi
;
843 TX_SAMP_DBG(tid
) = ts
->tid
;
844 TX_SAMP_DBG(qid
) = ts
->qid
;
846 if (ts
->ts_flags
& ATH9K_TX_BA
) {
847 TX_SAMP_DBG(ba_low
) = ts
->ba_low
;
848 TX_SAMP_DBG(ba_high
) = ts
->ba_high
;
850 TX_SAMP_DBG(ba_low
) = 0;
851 TX_SAMP_DBG(ba_high
) = 0;
854 sc
->debug
.tsidx
= (sc
->debug
.tsidx
+ 1) % ATH_DBG_MAX_SAMPLES
;
855 spin_unlock(&sc
->debug
.samp_lock
);
861 static const struct file_operations fops_xmit
= {
862 .read
= read_file_xmit
,
864 .owner
= THIS_MODULE
,
865 .llseek
= default_llseek
,
868 static const struct file_operations fops_stations
= {
869 .read
= read_file_stations
,
871 .owner
= THIS_MODULE
,
872 .llseek
= default_llseek
,
875 static const struct file_operations fops_misc
= {
876 .read
= read_file_misc
,
878 .owner
= THIS_MODULE
,
879 .llseek
= default_llseek
,
882 static const struct file_operations fops_reset
= {
883 .read
= read_file_reset
,
885 .owner
= THIS_MODULE
,
886 .llseek
= default_llseek
,
889 static ssize_t
read_file_recv(struct file
*file
, char __user
*user_buf
,
890 size_t count
, loff_t
*ppos
)
892 #define PHY_ERR(s, p) \
893 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
894 sc->debug.stats.rxstats.phy_err_stats[p]);
896 #define RXS_ERR(s, e) \
898 len += snprintf(buf + len, size - len, \
899 "%22s : %10u\n", s, \
900 sc->debug.stats.rxstats.e); \
903 struct ath_softc
*sc
= file
->private_data
;
905 unsigned int len
= 0, size
= 1600;
908 buf
= kzalloc(size
, GFP_KERNEL
);
912 RXS_ERR("CRC ERR", crc_err
);
913 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err
);
914 RXS_ERR("PHY ERR", phy_err
);
915 RXS_ERR("MIC ERR", mic_err
);
916 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err
);
917 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err
);
918 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err
);
919 RXS_ERR("RX-LENGTH-ERR", rx_len_err
);
920 RXS_ERR("RX-OOM-ERR", rx_oom_err
);
921 RXS_ERR("RX-RATE-ERR", rx_rate_err
);
922 RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush
);
923 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err
);
925 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN
);
926 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING
);
927 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY
);
928 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE
);
929 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH
);
930 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR
);
931 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE
);
932 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR
);
933 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING
);
934 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY
);
935 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL
);
936 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL
);
937 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP
);
938 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE
);
939 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART
);
940 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT
);
941 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING
);
942 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC
);
943 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL
);
944 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE
);
945 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART
);
946 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL
);
947 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP
);
948 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR
);
949 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL
);
950 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL
);
952 RXS_ERR("RX-Pkts-All", rx_pkts_all
);
953 RXS_ERR("RX-Bytes-All", rx_bytes_all
);
954 RXS_ERR("RX-Beacons", rx_beacons
);
955 RXS_ERR("RX-Frags", rx_frags
);
960 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
969 void ath_debug_stat_rx(struct ath_softc
*sc
, struct ath_rx_status
*rs
)
971 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
972 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
975 RX_STAT_INC(rx_pkts_all
);
976 sc
->debug
.stats
.rxstats
.rx_bytes_all
+= rs
->rs_datalen
;
978 if (rs
->rs_status
& ATH9K_RXERR_CRC
)
979 RX_STAT_INC(crc_err
);
980 if (rs
->rs_status
& ATH9K_RXERR_DECRYPT
)
981 RX_STAT_INC(decrypt_crc_err
);
982 if (rs
->rs_status
& ATH9K_RXERR_MIC
)
983 RX_STAT_INC(mic_err
);
984 if (rs
->rs_status
& ATH9K_RX_DELIM_CRC_PRE
)
985 RX_STAT_INC(pre_delim_crc_err
);
986 if (rs
->rs_status
& ATH9K_RX_DELIM_CRC_POST
)
987 RX_STAT_INC(post_delim_crc_err
);
988 if (rs
->rs_status
& ATH9K_RX_DECRYPT_BUSY
)
989 RX_STAT_INC(decrypt_busy_err
);
991 if (rs
->rs_status
& ATH9K_RXERR_PHY
) {
992 RX_STAT_INC(phy_err
);
993 if (rs
->rs_phyerr
< ATH9K_PHYERR_MAX
)
994 RX_PHY_ERR_INC(rs
->rs_phyerr
);
997 #ifdef CONFIG_ATH9K_MAC_DEBUG
998 spin_lock(&sc
->debug
.samp_lock
);
999 RX_SAMP_DBG(jiffies
) = jiffies
;
1000 RX_SAMP_DBG(rssi_ctl0
) = rs
->rs_rssi_ctl0
;
1001 RX_SAMP_DBG(rssi_ctl1
) = rs
->rs_rssi_ctl1
;
1002 RX_SAMP_DBG(rssi_ctl2
) = rs
->rs_rssi_ctl2
;
1003 RX_SAMP_DBG(rssi_ext0
) = rs
->rs_rssi_ext0
;
1004 RX_SAMP_DBG(rssi_ext1
) = rs
->rs_rssi_ext1
;
1005 RX_SAMP_DBG(rssi_ext2
) = rs
->rs_rssi_ext2
;
1006 RX_SAMP_DBG(antenna
) = rs
->rs_antenna
;
1007 RX_SAMP_DBG(rssi
) = rs
->rs_rssi
;
1008 RX_SAMP_DBG(rate
) = rs
->rs_rate
;
1009 RX_SAMP_DBG(is_mybeacon
) = rs
->is_mybeacon
;
1011 sc
->debug
.rsidx
= (sc
->debug
.rsidx
+ 1) % ATH_DBG_MAX_SAMPLES
;
1012 spin_unlock(&sc
->debug
.samp_lock
);
1016 #undef RX_PHY_ERR_INC
1020 static const struct file_operations fops_recv
= {
1021 .read
= read_file_recv
,
1022 .open
= simple_open
,
1023 .owner
= THIS_MODULE
,
1024 .llseek
= default_llseek
,
1027 static ssize_t
read_file_regidx(struct file
*file
, char __user
*user_buf
,
1028 size_t count
, loff_t
*ppos
)
1030 struct ath_softc
*sc
= file
->private_data
;
1034 len
= sprintf(buf
, "0x%08x\n", sc
->debug
.regidx
);
1035 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1038 static ssize_t
write_file_regidx(struct file
*file
, const char __user
*user_buf
,
1039 size_t count
, loff_t
*ppos
)
1041 struct ath_softc
*sc
= file
->private_data
;
1042 unsigned long regidx
;
1046 len
= min(count
, sizeof(buf
) - 1);
1047 if (copy_from_user(buf
, user_buf
, len
))
1051 if (strict_strtoul(buf
, 0, ®idx
))
1054 sc
->debug
.regidx
= regidx
;
1058 static const struct file_operations fops_regidx
= {
1059 .read
= read_file_regidx
,
1060 .write
= write_file_regidx
,
1061 .open
= simple_open
,
1062 .owner
= THIS_MODULE
,
1063 .llseek
= default_llseek
,
1066 static ssize_t
read_file_regval(struct file
*file
, char __user
*user_buf
,
1067 size_t count
, loff_t
*ppos
)
1069 struct ath_softc
*sc
= file
->private_data
;
1070 struct ath_hw
*ah
= sc
->sc_ah
;
1075 ath9k_ps_wakeup(sc
);
1076 regval
= REG_READ_D(ah
, sc
->debug
.regidx
);
1077 ath9k_ps_restore(sc
);
1078 len
= sprintf(buf
, "0x%08x\n", regval
);
1079 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1082 static ssize_t
write_file_regval(struct file
*file
, const char __user
*user_buf
,
1083 size_t count
, loff_t
*ppos
)
1085 struct ath_softc
*sc
= file
->private_data
;
1086 struct ath_hw
*ah
= sc
->sc_ah
;
1087 unsigned long regval
;
1091 len
= min(count
, sizeof(buf
) - 1);
1092 if (copy_from_user(buf
, user_buf
, len
))
1096 if (strict_strtoul(buf
, 0, ®val
))
1099 ath9k_ps_wakeup(sc
);
1100 REG_WRITE_D(ah
, sc
->debug
.regidx
, regval
);
1101 ath9k_ps_restore(sc
);
1105 static const struct file_operations fops_regval
= {
1106 .read
= read_file_regval
,
1107 .write
= write_file_regval
,
1108 .open
= simple_open
,
1109 .owner
= THIS_MODULE
,
1110 .llseek
= default_llseek
,
1113 #define REGDUMP_LINE_SIZE 20
1115 static int open_file_regdump(struct inode
*inode
, struct file
*file
)
1117 struct ath_softc
*sc
= inode
->i_private
;
1118 unsigned int len
= 0;
1121 unsigned long num_regs
, regdump_len
, max_reg_offset
;
1123 max_reg_offset
= AR_SREV_9300_20_OR_LATER(sc
->sc_ah
) ? 0x16bd4 : 0xb500;
1124 num_regs
= max_reg_offset
/ 4 + 1;
1125 regdump_len
= num_regs
* REGDUMP_LINE_SIZE
+ 1;
1126 buf
= vmalloc(regdump_len
);
1130 ath9k_ps_wakeup(sc
);
1131 for (i
= 0; i
< num_regs
; i
++)
1132 len
+= scnprintf(buf
+ len
, regdump_len
- len
,
1133 "0x%06x 0x%08x\n", i
<< 2, REG_READ(sc
->sc_ah
, i
<< 2));
1134 ath9k_ps_restore(sc
);
1136 file
->private_data
= buf
;
1141 static const struct file_operations fops_regdump
= {
1142 .open
= open_file_regdump
,
1143 .read
= ath9k_debugfs_read_buf
,
1144 .release
= ath9k_debugfs_release_buf
,
1145 .owner
= THIS_MODULE
,
1146 .llseek
= default_llseek
,/* read accesses f_pos */
1149 static ssize_t
read_file_dump_nfcal(struct file
*file
, char __user
*user_buf
,
1150 size_t count
, loff_t
*ppos
)
1152 struct ath_softc
*sc
= file
->private_data
;
1153 struct ath_hw
*ah
= sc
->sc_ah
;
1154 struct ath9k_nfcal_hist
*h
= sc
->caldata
.nfCalHist
;
1155 struct ath_common
*common
= ath9k_hw_common(ah
);
1156 struct ieee80211_conf
*conf
= &common
->hw
->conf
;
1157 u32 len
= 0, size
= 1500;
1161 u8 chainmask
= (ah
->rxchainmask
<< 3) | ah
->rxchainmask
;
1164 buf
= kzalloc(size
, GFP_KERNEL
);
1168 len
+= snprintf(buf
+ len
, size
- len
,
1169 "Channel Noise Floor : %d\n", ah
->noise
);
1170 len
+= snprintf(buf
+ len
, size
- len
,
1171 "Chain | privNF | # Readings | NF Readings\n");
1172 for (i
= 0; i
< NUM_NF_READINGS
; i
++) {
1173 if (!(chainmask
& (1 << i
)) ||
1174 ((i
>= AR5416_MAX_CHAINS
) && !conf_is_ht40(conf
)))
1177 nread
= AR_PHY_CCA_FILTERWINDOW_LENGTH
- h
[i
].invalidNFcount
;
1178 len
+= snprintf(buf
+ len
, size
- len
, " %d\t %d\t %d\t\t",
1179 i
, h
[i
].privNF
, nread
);
1180 for (j
= 0; j
< nread
; j
++)
1181 len
+= snprintf(buf
+ len
, size
- len
,
1182 " %d", h
[i
].nfCalBuffer
[j
]);
1183 len
+= snprintf(buf
+ len
, size
- len
, "\n");
1189 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1195 static const struct file_operations fops_dump_nfcal
= {
1196 .read
= read_file_dump_nfcal
,
1197 .open
= simple_open
,
1198 .owner
= THIS_MODULE
,
1199 .llseek
= default_llseek
,
1202 static ssize_t
read_file_base_eeprom(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 u32 len
= 0, size
= 1500;
1211 buf
= kzalloc(size
, GFP_KERNEL
);
1215 len
= ah
->eep_ops
->dump_eeprom(ah
, true, buf
, len
, size
);
1217 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1223 static const struct file_operations fops_base_eeprom
= {
1224 .read
= read_file_base_eeprom
,
1225 .open
= simple_open
,
1226 .owner
= THIS_MODULE
,
1227 .llseek
= default_llseek
,
1230 static ssize_t
read_file_modal_eeprom(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 u32 len
= 0, size
= 6000;
1239 buf
= kzalloc(size
, GFP_KERNEL
);
1243 len
= ah
->eep_ops
->dump_eeprom(ah
, false, buf
, len
, size
);
1245 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1251 static const struct file_operations fops_modal_eeprom
= {
1252 .read
= read_file_modal_eeprom
,
1253 .open
= simple_open
,
1254 .owner
= THIS_MODULE
,
1255 .llseek
= default_llseek
,
1258 #ifdef CONFIG_ATH9K_MAC_DEBUG
1260 void ath9k_debug_samp_bb_mac(struct ath_softc
*sc
)
1262 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1263 struct ath_hw
*ah
= sc
->sc_ah
;
1264 struct ath_common
*common
= ath9k_hw_common(ah
);
1265 unsigned long flags
;
1268 ath9k_ps_wakeup(sc
);
1270 spin_lock_bh(&sc
->debug
.samp_lock
);
1272 spin_lock_irqsave(&common
->cc_lock
, flags
);
1273 ath_hw_cycle_counters_update(common
);
1275 ATH_SAMP_DBG(cc
.cycles
) = common
->cc_ani
.cycles
;
1276 ATH_SAMP_DBG(cc
.rx_busy
) = common
->cc_ani
.rx_busy
;
1277 ATH_SAMP_DBG(cc
.rx_frame
) = common
->cc_ani
.rx_frame
;
1278 ATH_SAMP_DBG(cc
.tx_frame
) = common
->cc_ani
.tx_frame
;
1279 spin_unlock_irqrestore(&common
->cc_lock
, flags
);
1281 ATH_SAMP_DBG(noise
) = ah
->noise
;
1283 REG_WRITE_D(ah
, AR_MACMISC
,
1284 ((AR_MACMISC_DMA_OBS_LINE_8
<< AR_MACMISC_DMA_OBS_S
) |
1285 (AR_MACMISC_MISC_OBS_BUS_1
<<
1286 AR_MACMISC_MISC_OBS_BUS_MSB_S
)));
1288 for (i
= 0; i
< ATH9K_NUM_DMA_DEBUG_REGS
; i
++)
1289 ATH_SAMP_DBG(dma_dbg_reg_vals
[i
]) = REG_READ_D(ah
,
1290 AR_DMADBG_0
+ (i
* sizeof(u32
)));
1292 ATH_SAMP_DBG(pcu_obs
) = REG_READ_D(ah
, AR_OBS_BUS_1
);
1293 ATH_SAMP_DBG(pcu_cr
) = REG_READ_D(ah
, AR_CR
);
1295 memcpy(ATH_SAMP_DBG(nfCalHist
), sc
->caldata
.nfCalHist
,
1296 sizeof(ATH_SAMP_DBG(nfCalHist
)));
1298 sc
->debug
.sampidx
= (sc
->debug
.sampidx
+ 1) % ATH_DBG_MAX_SAMPLES
;
1299 spin_unlock_bh(&sc
->debug
.samp_lock
);
1300 ath9k_ps_restore(sc
);
1305 static int open_file_bb_mac_samps(struct inode
*inode
, struct file
*file
)
1307 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1308 struct ath_softc
*sc
= inode
->i_private
;
1309 struct ath_hw
*ah
= sc
->sc_ah
;
1310 struct ath_common
*common
= ath9k_hw_common(ah
);
1311 struct ieee80211_conf
*conf
= &common
->hw
->conf
;
1312 struct ath_dbg_bb_mac_samp
*bb_mac_samp
;
1313 struct ath9k_nfcal_hist
*h
;
1314 int i
, j
, qcuOffset
= 0, dcuOffset
= 0;
1315 u32
*qcuBase
, *dcuBase
, size
= 30000, len
= 0;
1318 u8 chainmask
= (ah
->rxchainmask
<< 3) | ah
->rxchainmask
;
1321 if (test_bit(SC_OP_INVALID
, &sc
->sc_flags
))
1324 buf
= vmalloc(size
);
1327 bb_mac_samp
= vmalloc(sizeof(*bb_mac_samp
) * ATH_DBG_MAX_SAMPLES
);
1332 /* Account the current state too */
1333 ath9k_debug_samp_bb_mac(sc
);
1335 spin_lock_bh(&sc
->debug
.samp_lock
);
1336 memcpy(bb_mac_samp
, sc
->debug
.bb_mac_samp
,
1337 sizeof(*bb_mac_samp
) * ATH_DBG_MAX_SAMPLES
);
1338 len
+= snprintf(buf
+ len
, size
- len
,
1339 "Current Sample Index: %d\n", sc
->debug
.sampidx
);
1340 spin_unlock_bh(&sc
->debug
.samp_lock
);
1342 len
+= snprintf(buf
+ len
, size
- len
,
1343 "Raw DMA Debug Dump:\n");
1344 len
+= snprintf(buf
+ len
, size
- len
, "Sample |\t");
1345 for (i
= 0; i
< ATH9K_NUM_DMA_DEBUG_REGS
; i
++)
1346 len
+= snprintf(buf
+ len
, size
- len
, " DMA Reg%d |\t", i
);
1347 len
+= snprintf(buf
+ len
, size
- len
, "\n");
1349 for (sampidx
= 0; sampidx
< ATH_DBG_MAX_SAMPLES
; sampidx
++) {
1350 len
+= snprintf(buf
+ len
, size
- len
, "%d\t", sampidx
);
1352 for (i
= 0; i
< ATH9K_NUM_DMA_DEBUG_REGS
; i
++)
1353 len
+= snprintf(buf
+ len
, size
- len
, " %08x\t",
1354 ATH_SAMP_DBG(dma_dbg_reg_vals
[i
]));
1355 len
+= snprintf(buf
+ len
, size
- len
, "\n");
1357 len
+= snprintf(buf
+ len
, size
- len
, "\n");
1359 len
+= snprintf(buf
+ len
, size
- len
,
1360 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1361 for (sampidx
= 0; sampidx
< ATH_DBG_MAX_SAMPLES
; sampidx
++) {
1362 qcuBase
= &ATH_SAMP_DBG(dma_dbg_reg_vals
[0]);
1363 dcuBase
= &ATH_SAMP_DBG(dma_dbg_reg_vals
[4]);
1365 for (i
= 0; i
< ATH9K_NUM_QUEUES
; i
++,
1366 qcuOffset
+= 4, dcuOffset
+= 5) {
1376 if (!sc
->debug
.stats
.txstats
[i
].queued
)
1379 len
+= snprintf(buf
+ len
, size
- len
,
1380 "%4d %7d %2x %1x %2x %2x\n",
1382 (*qcuBase
& (0x7 << qcuOffset
)) >> qcuOffset
,
1383 (*qcuBase
& (0x8 << qcuOffset
)) >>
1385 ATH_SAMP_DBG(dma_dbg_reg_vals
[2]) &
1386 (0x7 << (i
* 3)) >> (i
* 3),
1387 (*dcuBase
& (0x1f << dcuOffset
)) >> dcuOffset
);
1389 len
+= snprintf(buf
+ len
, size
- len
, "\n");
1391 len
+= snprintf(buf
+ len
, size
- len
,
1392 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1393 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1394 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1396 for (sampidx
= 0; sampidx
< ATH_DBG_MAX_SAMPLES
; sampidx
++) {
1397 qcuBase
= &ATH_SAMP_DBG(dma_dbg_reg_vals
[0]);
1398 dcuBase
= &ATH_SAMP_DBG(dma_dbg_reg_vals
[4]);
1400 len
+= snprintf(buf
+ len
, size
- len
, "%4d %5x %5x ", sampidx
,
1401 (ATH_SAMP_DBG(dma_dbg_reg_vals
[3]) & 0x003c0000) >> 18,
1402 (ATH_SAMP_DBG(dma_dbg_reg_vals
[3]) & 0x03c00000) >> 22);
1403 len
+= snprintf(buf
+ len
, size
- len
, "%7x %8x ",
1404 (ATH_SAMP_DBG(dma_dbg_reg_vals
[3]) & 0x1c000000) >> 26,
1405 (ATH_SAMP_DBG(dma_dbg_reg_vals
[6]) & 0x3));
1406 len
+= snprintf(buf
+ len
, size
- len
, "%7x %7x ",
1407 (ATH_SAMP_DBG(dma_dbg_reg_vals
[5]) & 0x06000000) >> 25,
1408 (ATH_SAMP_DBG(dma_dbg_reg_vals
[5]) & 0x38000000) >> 27);
1409 len
+= snprintf(buf
+ len
, size
- len
, "%7d %12d ",
1410 (ATH_SAMP_DBG(dma_dbg_reg_vals
[6]) & 0x000003fc) >> 2,
1411 (ATH_SAMP_DBG(dma_dbg_reg_vals
[6]) & 0x00000400) >> 10);
1412 len
+= snprintf(buf
+ len
, size
- len
, "%12d %12d ",
1413 (ATH_SAMP_DBG(dma_dbg_reg_vals
[6]) & 0x00000800) >> 11,
1414 (ATH_SAMP_DBG(dma_dbg_reg_vals
[6]) & 0x00001000) >> 12);
1415 len
+= snprintf(buf
+ len
, size
- len
, "%12d %12d ",
1416 (ATH_SAMP_DBG(dma_dbg_reg_vals
[6]) & 0x0001e000) >> 13,
1417 (ATH_SAMP_DBG(dma_dbg_reg_vals
[6]) & 0x001e0000) >> 17);
1418 len
+= snprintf(buf
+ len
, size
- len
, "0x%07x 0x%07x\n",
1419 ATH_SAMP_DBG(pcu_obs
), ATH_SAMP_DBG(pcu_cr
));
1422 len
+= snprintf(buf
+ len
, size
- len
,
1423 "Sample ChNoise Chain privNF #Reading Readings\n");
1424 for (sampidx
= 0; sampidx
< ATH_DBG_MAX_SAMPLES
; sampidx
++) {
1425 h
= ATH_SAMP_DBG(nfCalHist
);
1426 if (!ATH_SAMP_DBG(noise
))
1429 for (i
= 0; i
< NUM_NF_READINGS
; i
++) {
1430 if (!(chainmask
& (1 << i
)) ||
1431 ((i
>= AR5416_MAX_CHAINS
) && !conf_is_ht40(conf
)))
1434 nread
= AR_PHY_CCA_FILTERWINDOW_LENGTH
-
1435 h
[i
].invalidNFcount
;
1436 len
+= snprintf(buf
+ len
, size
- len
,
1437 "%4d %5d %4d\t %d\t %d\t",
1438 sampidx
, ATH_SAMP_DBG(noise
),
1439 i
, h
[i
].privNF
, nread
);
1440 for (j
= 0; j
< nread
; j
++)
1441 len
+= snprintf(buf
+ len
, size
- len
,
1442 " %d", h
[i
].nfCalBuffer
[j
]);
1443 len
+= snprintf(buf
+ len
, size
- len
, "\n");
1446 len
+= snprintf(buf
+ len
, size
- len
, "\nCycle counters:\n"
1447 "Sample Total Rxbusy Rxframes Txframes\n");
1448 for (sampidx
= 0; sampidx
< ATH_DBG_MAX_SAMPLES
; sampidx
++) {
1449 if (!ATH_SAMP_DBG(cc
.cycles
))
1451 len
+= snprintf(buf
+ len
, size
- len
,
1452 "%4d %08x %08x %08x %08x\n",
1453 sampidx
, ATH_SAMP_DBG(cc
.cycles
),
1454 ATH_SAMP_DBG(cc
.rx_busy
),
1455 ATH_SAMP_DBG(cc
.rx_frame
),
1456 ATH_SAMP_DBG(cc
.tx_frame
));
1459 len
+= snprintf(buf
+ len
, size
- len
, "Tx status Dump :\n");
1460 len
+= snprintf(buf
+ len
, size
- len
,
1461 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1462 "isok rts_fail data_fail rate tid qid "
1463 "ba_low ba_high tx_before(ms)\n");
1464 for (sampidx
= 0; sampidx
< ATH_DBG_MAX_SAMPLES
; sampidx
++) {
1465 for (i
= 0; i
< ATH_DBG_MAX_SAMPLES
; i
++) {
1466 if (!ATH_SAMP_DBG(ts
[i
].jiffies
))
1468 len
+= snprintf(buf
+ len
, size
- len
, "%-14d"
1469 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1470 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1472 ATH_SAMP_DBG(ts
[i
].rssi_ctl0
),
1473 ATH_SAMP_DBG(ts
[i
].rssi_ctl1
),
1474 ATH_SAMP_DBG(ts
[i
].rssi_ctl2
),
1475 ATH_SAMP_DBG(ts
[i
].rssi_ext0
),
1476 ATH_SAMP_DBG(ts
[i
].rssi_ext1
),
1477 ATH_SAMP_DBG(ts
[i
].rssi_ext2
),
1478 ATH_SAMP_DBG(ts
[i
].rssi
),
1479 ATH_SAMP_DBG(ts
[i
].isok
),
1480 ATH_SAMP_DBG(ts
[i
].rts_fail_cnt
),
1481 ATH_SAMP_DBG(ts
[i
].data_fail_cnt
),
1482 ATH_SAMP_DBG(ts
[i
].rateindex
),
1483 ATH_SAMP_DBG(ts
[i
].tid
),
1484 ATH_SAMP_DBG(ts
[i
].qid
),
1485 ATH_SAMP_DBG(ts
[i
].ba_low
),
1486 ATH_SAMP_DBG(ts
[i
].ba_high
),
1487 jiffies_to_msecs(jiffies
-
1488 ATH_SAMP_DBG(ts
[i
].jiffies
)));
1492 len
+= snprintf(buf
+ len
, size
- len
, "Rx status Dump :\n");
1493 len
+= snprintf(buf
+ len
, size
- len
, "Sample rssi:- ctl0 ctl1 ctl2 "
1494 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1495 for (sampidx
= 0; sampidx
< ATH_DBG_MAX_SAMPLES
; sampidx
++) {
1496 for (i
= 0; i
< ATH_DBG_MAX_SAMPLES
; i
++) {
1497 if (!ATH_SAMP_DBG(rs
[i
].jiffies
))
1499 len
+= snprintf(buf
+ len
, size
- len
, "%-14d"
1500 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1502 ATH_SAMP_DBG(rs
[i
].rssi_ctl0
),
1503 ATH_SAMP_DBG(rs
[i
].rssi_ctl1
),
1504 ATH_SAMP_DBG(rs
[i
].rssi_ctl2
),
1505 ATH_SAMP_DBG(rs
[i
].rssi_ext0
),
1506 ATH_SAMP_DBG(rs
[i
].rssi_ext1
),
1507 ATH_SAMP_DBG(rs
[i
].rssi_ext2
),
1508 ATH_SAMP_DBG(rs
[i
].rssi
),
1509 ATH_SAMP_DBG(rs
[i
].is_mybeacon
) ?
1511 ATH_SAMP_DBG(rs
[i
].antenna
),
1512 ATH_SAMP_DBG(rs
[i
].rate
),
1513 jiffies_to_msecs(jiffies
-
1514 ATH_SAMP_DBG(rs
[i
].jiffies
)));
1519 file
->private_data
= buf
;
1525 static const struct file_operations fops_samps
= {
1526 .open
= open_file_bb_mac_samps
,
1527 .read
= ath9k_debugfs_read_buf
,
1528 .release
= ath9k_debugfs_release_buf
,
1529 .owner
= THIS_MODULE
,
1530 .llseek
= default_llseek
,
1535 int ath9k_init_debug(struct ath_hw
*ah
)
1537 struct ath_common
*common
= ath9k_hw_common(ah
);
1538 struct ath_softc
*sc
= (struct ath_softc
*) common
->priv
;
1540 sc
->debug
.debugfs_phy
= debugfs_create_dir("ath9k",
1541 sc
->hw
->wiphy
->debugfsdir
);
1542 if (!sc
->debug
.debugfs_phy
)
1545 #ifdef CONFIG_ATH_DEBUG
1546 debugfs_create_file("debug", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1550 ath9k_dfs_init_debug(sc
);
1552 debugfs_create_file("dma", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1554 debugfs_create_file("interrupt", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1556 debugfs_create_file("xmit", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1558 debugfs_create_u32("qlen_bk", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1559 &sc
->tx
.txq_max_pending
[WME_AC_BK
]);
1560 debugfs_create_u32("qlen_be", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1561 &sc
->tx
.txq_max_pending
[WME_AC_BE
]);
1562 debugfs_create_u32("qlen_vi", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1563 &sc
->tx
.txq_max_pending
[WME_AC_VI
]);
1564 debugfs_create_u32("qlen_vo", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1565 &sc
->tx
.txq_max_pending
[WME_AC_VO
]);
1566 debugfs_create_file("stations", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1568 debugfs_create_file("misc", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1570 debugfs_create_file("reset", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1572 debugfs_create_file("recv", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1574 debugfs_create_file("rx_chainmask", S_IRUSR
| S_IWUSR
,
1575 sc
->debug
.debugfs_phy
, sc
, &fops_rx_chainmask
);
1576 debugfs_create_file("tx_chainmask", S_IRUSR
| S_IWUSR
,
1577 sc
->debug
.debugfs_phy
, sc
, &fops_tx_chainmask
);
1578 debugfs_create_file("disable_ani", S_IRUSR
| S_IWUSR
,
1579 sc
->debug
.debugfs_phy
, sc
, &fops_disable_ani
);
1580 debugfs_create_file("regidx", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1582 debugfs_create_file("regval", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1584 debugfs_create_bool("ignore_extcca", S_IRUSR
| S_IWUSR
,
1585 sc
->debug
.debugfs_phy
,
1586 &ah
->config
.cwm_ignore_extcca
);
1587 debugfs_create_file("regdump", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1589 debugfs_create_file("dump_nfcal", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1591 debugfs_create_file("base_eeprom", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1593 debugfs_create_file("modal_eeprom", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1594 &fops_modal_eeprom
);
1595 #ifdef CONFIG_ATH9K_MAC_DEBUG
1596 debugfs_create_file("samples", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1600 debugfs_create_u32("gpio_mask", S_IRUSR
| S_IWUSR
,
1601 sc
->debug
.debugfs_phy
, &sc
->sc_ah
->gpio_mask
);
1603 debugfs_create_u32("gpio_val", S_IRUSR
| S_IWUSR
,
1604 sc
->debug
.debugfs_phy
, &sc
->sc_ah
->gpio_val
);