2 * Copyright (c) 2008-2011 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/slab.h>
18 #include <linux/vmalloc.h>
19 #include <asm/unaligned.h>
23 #define REG_WRITE_D(_ah, _reg, _val) \
24 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
25 #define REG_READ_D(_ah, _reg) \
26 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
28 static int ath9k_debugfs_open(struct inode
*inode
, struct file
*file
)
30 file
->private_data
= inode
->i_private
;
34 static ssize_t
ath9k_debugfs_read_buf(struct file
*file
, char __user
*user_buf
,
35 size_t count
, loff_t
*ppos
)
37 u8
*buf
= file
->private_data
;
38 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, strlen(buf
));
41 static int ath9k_debugfs_release_buf(struct inode
*inode
, struct file
*file
)
43 vfree(file
->private_data
);
47 #ifdef CONFIG_ATH_DEBUG
49 static ssize_t
read_file_debug(struct file
*file
, char __user
*user_buf
,
50 size_t count
, loff_t
*ppos
)
52 struct ath_softc
*sc
= file
->private_data
;
53 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
57 len
= sprintf(buf
, "0x%08x\n", common
->debug_mask
);
58 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
61 static ssize_t
write_file_debug(struct file
*file
, const char __user
*user_buf
,
62 size_t count
, loff_t
*ppos
)
64 struct ath_softc
*sc
= file
->private_data
;
65 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
70 len
= min(count
, sizeof(buf
) - 1);
71 if (copy_from_user(buf
, user_buf
, len
))
75 if (strict_strtoul(buf
, 0, &mask
))
78 common
->debug_mask
= mask
;
82 static const struct file_operations fops_debug
= {
83 .read
= read_file_debug
,
84 .write
= write_file_debug
,
85 .open
= ath9k_debugfs_open
,
87 .llseek
= default_llseek
,
92 #define DMA_BUF_LEN 1024
94 static ssize_t
read_file_tx_chainmask(struct file
*file
, char __user
*user_buf
,
95 size_t count
, loff_t
*ppos
)
97 struct ath_softc
*sc
= file
->private_data
;
98 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
102 len
= sprintf(buf
, "0x%08x\n", common
->tx_chainmask
);
103 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
106 static ssize_t
write_file_tx_chainmask(struct file
*file
, const char __user
*user_buf
,
107 size_t count
, loff_t
*ppos
)
109 struct ath_softc
*sc
= file
->private_data
;
110 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
115 len
= min(count
, sizeof(buf
) - 1);
116 if (copy_from_user(buf
, user_buf
, len
))
120 if (strict_strtoul(buf
, 0, &mask
))
123 common
->tx_chainmask
= mask
;
124 sc
->sc_ah
->caps
.tx_chainmask
= mask
;
128 static const struct file_operations fops_tx_chainmask
= {
129 .read
= read_file_tx_chainmask
,
130 .write
= write_file_tx_chainmask
,
131 .open
= ath9k_debugfs_open
,
132 .owner
= THIS_MODULE
,
133 .llseek
= default_llseek
,
137 static ssize_t
read_file_rx_chainmask(struct file
*file
, char __user
*user_buf
,
138 size_t count
, loff_t
*ppos
)
140 struct ath_softc
*sc
= file
->private_data
;
141 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
145 len
= sprintf(buf
, "0x%08x\n", common
->rx_chainmask
);
146 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
149 static ssize_t
write_file_rx_chainmask(struct file
*file
, const char __user
*user_buf
,
150 size_t count
, loff_t
*ppos
)
152 struct ath_softc
*sc
= file
->private_data
;
153 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
158 len
= min(count
, sizeof(buf
) - 1);
159 if (copy_from_user(buf
, user_buf
, len
))
163 if (strict_strtoul(buf
, 0, &mask
))
166 common
->rx_chainmask
= mask
;
167 sc
->sc_ah
->caps
.rx_chainmask
= mask
;
171 static const struct file_operations fops_rx_chainmask
= {
172 .read
= read_file_rx_chainmask
,
173 .write
= write_file_rx_chainmask
,
174 .open
= ath9k_debugfs_open
,
175 .owner
= THIS_MODULE
,
176 .llseek
= default_llseek
,
180 static ssize_t
read_file_dma(struct file
*file
, char __user
*user_buf
,
181 size_t count
, loff_t
*ppos
)
183 struct ath_softc
*sc
= file
->private_data
;
184 struct ath_hw
*ah
= sc
->sc_ah
;
187 unsigned int len
= 0;
188 u32 val
[ATH9K_NUM_DMA_DEBUG_REGS
];
189 int i
, qcuOffset
= 0, dcuOffset
= 0;
190 u32
*qcuBase
= &val
[0], *dcuBase
= &val
[4];
192 buf
= kmalloc(DMA_BUF_LEN
, GFP_KERNEL
);
198 REG_WRITE_D(ah
, AR_MACMISC
,
199 ((AR_MACMISC_DMA_OBS_LINE_8
<< AR_MACMISC_DMA_OBS_S
) |
200 (AR_MACMISC_MISC_OBS_BUS_1
<<
201 AR_MACMISC_MISC_OBS_BUS_MSB_S
)));
203 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
204 "Raw DMA Debug values:\n");
206 for (i
= 0; i
< ATH9K_NUM_DMA_DEBUG_REGS
; i
++) {
208 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n");
210 val
[i
] = REG_READ_D(ah
, AR_DMADBG_0
+ (i
* sizeof(u32
)));
211 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "%d: %08x ",
215 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n\n");
216 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
217 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
219 for (i
= 0; i
< ATH9K_NUM_QUEUES
; i
++, qcuOffset
+= 4, dcuOffset
+= 5) {
230 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
231 "%2d %2x %1x %2x %2x\n",
232 i
, (*qcuBase
& (0x7 << qcuOffset
)) >> qcuOffset
,
233 (*qcuBase
& (0x8 << qcuOffset
)) >> (qcuOffset
+ 3),
234 val
[2] & (0x7 << (i
* 3)) >> (i
* 3),
235 (*dcuBase
& (0x1f << dcuOffset
)) >> dcuOffset
);
238 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n");
240 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
241 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
242 (val
[3] & 0x003c0000) >> 18, (val
[3] & 0x03c00000) >> 22);
243 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
244 "qcu_complete state: %2x dcu_complete state: %2x\n",
245 (val
[3] & 0x1c000000) >> 26, (val
[6] & 0x3));
246 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
247 "dcu_arb state: %2x dcu_fp state: %2x\n",
248 (val
[5] & 0x06000000) >> 25, (val
[5] & 0x38000000) >> 27);
249 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
250 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
251 (val
[6] & 0x000003fc) >> 2, (val
[6] & 0x00000400) >> 10);
252 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
253 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
254 (val
[6] & 0x00000800) >> 11, (val
[6] & 0x00001000) >> 12);
255 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
256 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
257 (val
[6] & 0x0001e000) >> 13, (val
[6] & 0x001e0000) >> 17);
259 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
, "pcu observe: 0x%x\n",
260 REG_READ_D(ah
, AR_OBS_BUS_1
));
261 len
+= snprintf(buf
+ len
, DMA_BUF_LEN
- len
,
262 "AR_CR: 0x%x\n", REG_READ_D(ah
, AR_CR
));
264 ath9k_ps_restore(sc
);
266 if (len
> DMA_BUF_LEN
)
269 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
274 static const struct file_operations fops_dma
= {
275 .read
= read_file_dma
,
276 .open
= ath9k_debugfs_open
,
277 .owner
= THIS_MODULE
,
278 .llseek
= default_llseek
,
282 void ath_debug_stat_interrupt(struct ath_softc
*sc
, enum ath9k_int status
)
285 sc
->debug
.stats
.istats
.total
++;
286 if (sc
->sc_ah
->caps
.hw_caps
& ATH9K_HW_CAP_EDMA
) {
287 if (status
& ATH9K_INT_RXLP
)
288 sc
->debug
.stats
.istats
.rxlp
++;
289 if (status
& ATH9K_INT_RXHP
)
290 sc
->debug
.stats
.istats
.rxhp
++;
291 if (status
& ATH9K_INT_BB_WATCHDOG
)
292 sc
->debug
.stats
.istats
.bb_watchdog
++;
294 if (status
& ATH9K_INT_RX
)
295 sc
->debug
.stats
.istats
.rxok
++;
297 if (status
& ATH9K_INT_RXEOL
)
298 sc
->debug
.stats
.istats
.rxeol
++;
299 if (status
& ATH9K_INT_RXORN
)
300 sc
->debug
.stats
.istats
.rxorn
++;
301 if (status
& ATH9K_INT_TX
)
302 sc
->debug
.stats
.istats
.txok
++;
303 if (status
& ATH9K_INT_TXURN
)
304 sc
->debug
.stats
.istats
.txurn
++;
305 if (status
& ATH9K_INT_MIB
)
306 sc
->debug
.stats
.istats
.mib
++;
307 if (status
& ATH9K_INT_RXPHY
)
308 sc
->debug
.stats
.istats
.rxphyerr
++;
309 if (status
& ATH9K_INT_RXKCM
)
310 sc
->debug
.stats
.istats
.rx_keycache_miss
++;
311 if (status
& ATH9K_INT_SWBA
)
312 sc
->debug
.stats
.istats
.swba
++;
313 if (status
& ATH9K_INT_BMISS
)
314 sc
->debug
.stats
.istats
.bmiss
++;
315 if (status
& ATH9K_INT_BNR
)
316 sc
->debug
.stats
.istats
.bnr
++;
317 if (status
& ATH9K_INT_CST
)
318 sc
->debug
.stats
.istats
.cst
++;
319 if (status
& ATH9K_INT_GTT
)
320 sc
->debug
.stats
.istats
.gtt
++;
321 if (status
& ATH9K_INT_TIM
)
322 sc
->debug
.stats
.istats
.tim
++;
323 if (status
& ATH9K_INT_CABEND
)
324 sc
->debug
.stats
.istats
.cabend
++;
325 if (status
& ATH9K_INT_DTIMSYNC
)
326 sc
->debug
.stats
.istats
.dtimsync
++;
327 if (status
& ATH9K_INT_DTIM
)
328 sc
->debug
.stats
.istats
.dtim
++;
329 if (status
& ATH9K_INT_TSFOOR
)
330 sc
->debug
.stats
.istats
.tsfoor
++;
333 static ssize_t
read_file_interrupt(struct file
*file
, char __user
*user_buf
,
334 size_t count
, loff_t
*ppos
)
336 struct ath_softc
*sc
= file
->private_data
;
338 unsigned int len
= 0;
340 if (sc
->sc_ah
->caps
.hw_caps
& ATH9K_HW_CAP_EDMA
) {
341 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
342 "%8s: %10u\n", "RXLP", sc
->debug
.stats
.istats
.rxlp
);
343 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
344 "%8s: %10u\n", "RXHP", sc
->debug
.stats
.istats
.rxhp
);
345 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
346 "%8s: %10u\n", "WATCHDOG",
347 sc
->debug
.stats
.istats
.bb_watchdog
);
349 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
350 "%8s: %10u\n", "RX", sc
->debug
.stats
.istats
.rxok
);
352 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
353 "%8s: %10u\n", "RXEOL", sc
->debug
.stats
.istats
.rxeol
);
354 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
355 "%8s: %10u\n", "RXORN", sc
->debug
.stats
.istats
.rxorn
);
356 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
357 "%8s: %10u\n", "TX", sc
->debug
.stats
.istats
.txok
);
358 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
359 "%8s: %10u\n", "TXURN", sc
->debug
.stats
.istats
.txurn
);
360 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
361 "%8s: %10u\n", "MIB", sc
->debug
.stats
.istats
.mib
);
362 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
363 "%8s: %10u\n", "RXPHY", sc
->debug
.stats
.istats
.rxphyerr
);
364 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
365 "%8s: %10u\n", "RXKCM", sc
->debug
.stats
.istats
.rx_keycache_miss
);
366 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
367 "%8s: %10u\n", "SWBA", sc
->debug
.stats
.istats
.swba
);
368 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
369 "%8s: %10u\n", "BMISS", sc
->debug
.stats
.istats
.bmiss
);
370 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
371 "%8s: %10u\n", "BNR", sc
->debug
.stats
.istats
.bnr
);
372 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
373 "%8s: %10u\n", "CST", sc
->debug
.stats
.istats
.cst
);
374 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
375 "%8s: %10u\n", "GTT", sc
->debug
.stats
.istats
.gtt
);
376 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
377 "%8s: %10u\n", "TIM", sc
->debug
.stats
.istats
.tim
);
378 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
379 "%8s: %10u\n", "CABEND", sc
->debug
.stats
.istats
.cabend
);
380 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
381 "%8s: %10u\n", "DTIMSYNC", sc
->debug
.stats
.istats
.dtimsync
);
382 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
383 "%8s: %10u\n", "DTIM", sc
->debug
.stats
.istats
.dtim
);
384 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
385 "%8s: %10u\n", "TSFOOR", sc
->debug
.stats
.istats
.tsfoor
);
386 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
387 "%8s: %10u\n", "TOTAL", sc
->debug
.stats
.istats
.total
);
390 if (len
> sizeof(buf
))
393 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
396 static const struct file_operations fops_interrupt
= {
397 .read
= read_file_interrupt
,
398 .open
= ath9k_debugfs_open
,
399 .owner
= THIS_MODULE
,
400 .llseek
= default_llseek
,
403 static const char *channel_type_str(enum nl80211_channel_type t
)
406 case NL80211_CHAN_NO_HT
:
408 case NL80211_CHAN_HT20
:
410 case NL80211_CHAN_HT40MINUS
:
412 case NL80211_CHAN_HT40PLUS
:
419 static ssize_t
read_file_wiphy(struct file
*file
, char __user
*user_buf
,
420 size_t count
, loff_t
*ppos
)
422 struct ath_softc
*sc
= file
->private_data
;
423 struct ieee80211_channel
*chan
= sc
->hw
->conf
.channel
;
424 struct ieee80211_conf
*conf
= &(sc
->hw
->conf
);
426 unsigned int len
= 0;
430 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
431 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n",
432 wiphy_name(sc
->hw
->wiphy
),
433 ieee80211_frequency_to_channel(chan
->center_freq
),
436 channel_type_str(conf
->channel_type
));
439 put_unaligned_le32(REG_READ_D(sc
->sc_ah
, AR_STA_ID0
), addr
);
440 put_unaligned_le16(REG_READ_D(sc
->sc_ah
, AR_STA_ID1
) & 0xffff, addr
+ 4);
441 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
442 "addr: %pM\n", addr
);
443 put_unaligned_le32(REG_READ_D(sc
->sc_ah
, AR_BSSMSKL
), addr
);
444 put_unaligned_le16(REG_READ_D(sc
->sc_ah
, AR_BSSMSKU
) & 0xffff, addr
+ 4);
445 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
446 "addrmask: %pM\n", addr
);
447 tmp
= ath9k_hw_getrxfilter(sc
->sc_ah
);
448 ath9k_ps_restore(sc
);
449 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
,
451 if (tmp
& ATH9K_RX_FILTER_UCAST
)
452 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " UCAST");
453 if (tmp
& ATH9K_RX_FILTER_MCAST
)
454 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " MCAST");
455 if (tmp
& ATH9K_RX_FILTER_BCAST
)
456 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " BCAST");
457 if (tmp
& ATH9K_RX_FILTER_CONTROL
)
458 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " CONTROL");
459 if (tmp
& ATH9K_RX_FILTER_BEACON
)
460 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " BEACON");
461 if (tmp
& ATH9K_RX_FILTER_PROM
)
462 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PROM");
463 if (tmp
& ATH9K_RX_FILTER_PROBEREQ
)
464 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PROBEREQ");
465 if (tmp
& ATH9K_RX_FILTER_PHYERR
)
466 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PHYERR");
467 if (tmp
& ATH9K_RX_FILTER_MYBEACON
)
468 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " MYBEACON");
469 if (tmp
& ATH9K_RX_FILTER_COMP_BAR
)
470 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " COMP_BAR");
471 if (tmp
& ATH9K_RX_FILTER_PSPOLL
)
472 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PSPOLL");
473 if (tmp
& ATH9K_RX_FILTER_PHYRADAR
)
474 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " PHYRADAR");
475 if (tmp
& ATH9K_RX_FILTER_MCAST_BCAST_ALL
)
476 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, " MCAST_BCAST_ALL\n");
478 len
+= snprintf(buf
+ len
, sizeof(buf
) - len
, "\n");
480 if (len
> sizeof(buf
))
483 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
486 static const struct file_operations fops_wiphy
= {
487 .read
= read_file_wiphy
,
488 .open
= ath9k_debugfs_open
,
489 .owner
= THIS_MODULE
,
490 .llseek
= default_llseek
,
493 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
494 #define PR(str, elem) \
496 len += snprintf(buf + len, size - len, \
497 "%s%13u%11u%10u%10u\n", str, \
498 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
499 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
500 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
501 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
506 #define PRX(str, elem) \
508 len += snprintf(buf + len, size - len, \
509 "%s%13u%11u%10u%10u\n", str, \
510 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
511 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
512 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
513 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
518 #define PRQLE(str, elem) \
520 len += snprintf(buf + len, size - len, \
521 "%s%13i%11i%10i%10i\n", str, \
522 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
523 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
524 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
525 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
530 static ssize_t
read_file_xmit(struct file
*file
, char __user
*user_buf
,
531 size_t count
, loff_t
*ppos
)
533 struct ath_softc
*sc
= file
->private_data
;
535 unsigned int len
= 0, size
= 8000;
540 buf
= kzalloc(size
, GFP_KERNEL
);
544 len
+= sprintf(buf
, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
545 " poll-work-seen: %u\n"
546 "%30s %10s%10s%10s\n\n",
547 ATH9K_NUM_TX_QUEUES
, sc
->tx
.txqsetup
,
548 sc
->tx_complete_poll_work_seen
,
549 "BE", "BK", "VI", "VO");
551 PR("MPDUs Queued: ", queued
);
552 PR("MPDUs Completed: ", completed
);
553 PR("Aggregates: ", a_aggr
);
554 PR("AMPDUs Queued HW:", a_queued_hw
);
555 PR("AMPDUs Queued SW:", a_queued_sw
);
556 PR("AMPDUs Completed:", a_completed
);
557 PR("AMPDUs Retried: ", a_retries
);
558 PR("AMPDUs XRetried: ", a_xretries
);
559 PR("FIFO Underrun: ", fifo_underrun
);
560 PR("TXOP Exceeded: ", xtxop
);
561 PR("TXTIMER Expiry: ", timer_exp
);
562 PR("DESC CFG Error: ", desc_cfg_err
);
563 PR("DATA Underrun: ", data_underrun
);
564 PR("DELIM Underrun: ", delim_underrun
);
565 PR("TX-Pkts-All: ", tx_pkts_all
);
566 PR("TX-Bytes-All: ", tx_bytes_all
);
567 PR("hw-put-tx-buf: ", puttxbuf
);
568 PR("hw-tx-start: ", txstart
);
569 PR("hw-tx-proc-desc: ", txprocdesc
);
570 len
+= snprintf(buf
+ len
, size
- len
,
571 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
572 sc
->tx
.txq_map
[WME_AC_BE
],
573 sc
->tx
.txq_map
[WME_AC_BK
],
574 sc
->tx
.txq_map
[WME_AC_VI
],
575 sc
->tx
.txq_map
[WME_AC_VO
]);
579 PRX("axq-qnum: ", axq_qnum
);
580 PRX("axq-depth: ", axq_depth
);
581 PRX("axq-ampdu_depth: ", axq_ampdu_depth
);
582 PRX("axq-stopped ", stopped
);
583 PRX("tx-in-progress ", axq_tx_inprogress
);
584 PRX("pending-frames ", pending_frames
);
585 PRX("txq_headidx: ", txq_headidx
);
586 PRX("txq_tailidx: ", txq_headidx
);
588 PRQLE("axq_q empty: ", axq_q
);
589 PRQLE("axq_acq empty: ", axq_acq
);
590 PRQLE("txq_fifo_pending: ", txq_fifo_pending
);
591 for (i
= 0; i
< ATH_TXFIFO_DEPTH
; i
++) {
592 snprintf(tmp
, sizeof(tmp
) - 1, "txq_fifo[%i] empty: ", i
);
593 PRQLE(tmp
, txq_fifo
[i
]);
596 /* Print out more detailed queue-info */
597 for (i
= 0; i
<= WME_AC_BK
; i
++) {
598 struct ath_txq
*txq
= &(sc
->tx
.txq
[i
]);
599 struct ath_atx_ac
*ac
;
600 struct ath_atx_tid
*tid
;
603 spin_lock_bh(&txq
->axq_lock
);
604 if (!list_empty(&txq
->axq_acq
)) {
605 ac
= list_first_entry(&txq
->axq_acq
, struct ath_atx_ac
,
607 len
+= snprintf(buf
+ len
, size
- len
,
608 "txq[%i] first-ac: %p sched: %i\n",
610 if (list_empty(&ac
->tid_q
) || (len
>= size
))
612 tid
= list_first_entry(&ac
->tid_q
, struct ath_atx_tid
,
614 len
+= snprintf(buf
+ len
, size
- len
,
615 " first-tid: %p sched: %i paused: %i\n",
616 tid
, tid
->sched
, tid
->paused
);
619 spin_unlock_bh(&txq
->axq_lock
);
626 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
632 static ssize_t
read_file_stations(struct file
*file
, char __user
*user_buf
,
633 size_t count
, loff_t
*ppos
)
635 struct ath_softc
*sc
= file
->private_data
;
637 unsigned int len
= 0, size
= 64000;
638 struct ath_node
*an
= NULL
;
642 buf
= kzalloc(size
, GFP_KERNEL
);
646 len
+= snprintf(buf
+ len
, size
- len
,
648 " tid: addr sched paused buf_q-empty an ac\n"
649 " ac: addr sched tid_q-empty txq\n");
651 spin_lock(&sc
->nodes_lock
);
652 list_for_each_entry(an
, &sc
->nodes
, list
) {
653 len
+= snprintf(buf
+ len
, size
- len
,
654 "%pM\n", an
->sta
->addr
);
658 for (q
= 0; q
< WME_NUM_TID
; q
++) {
659 struct ath_atx_tid
*tid
= &(an
->tid
[q
]);
660 len
+= snprintf(buf
+ len
, size
- len
,
661 " tid: %p %s %s %i %p %p\n",
662 tid
, tid
->sched
? "sched" : "idle",
663 tid
->paused
? "paused" : "running",
664 list_empty(&tid
->buf_q
),
670 for (q
= 0; q
< WME_NUM_AC
; q
++) {
671 struct ath_atx_ac
*ac
= &(an
->ac
[q
]);
672 len
+= snprintf(buf
+ len
, size
- len
,
673 " ac: %p %s %i %p\n",
674 ac
, ac
->sched
? "sched" : "idle",
675 list_empty(&ac
->tid_q
), ac
->txq
);
682 spin_unlock(&sc
->nodes_lock
);
686 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
692 static ssize_t
read_file_misc(struct file
*file
, char __user
*user_buf
,
693 size_t count
, loff_t
*ppos
)
695 struct ath_softc
*sc
= file
->private_data
;
696 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
697 struct ath_hw
*ah
= sc
->sc_ah
;
698 struct ieee80211_hw
*hw
= sc
->hw
;
700 unsigned int len
= 0, size
= 8000;
704 struct ath9k_vif_iter_data iter_data
;
706 ath9k_calculate_iter_data(hw
, NULL
, &iter_data
);
708 buf
= kzalloc(size
, GFP_KERNEL
);
712 switch (sc
->sc_ah
->opmode
) {
713 case NL80211_IFTYPE_ADHOC
:
716 case NL80211_IFTYPE_MESH_POINT
:
719 case NL80211_IFTYPE_AP
:
722 case NL80211_IFTYPE_STATION
:
731 len
+= snprintf(buf
+ len
, size
- len
,
734 "Beacon-Timer-Register: 0x%x\n",
736 tmp
, (int)(sc
->sc_ah
->opmode
),
737 REG_READ(ah
, AR_BEACON_PERIOD
));
739 reg
= REG_READ(ah
, AR_TIMER_MODE
);
740 ath9k_ps_restore(sc
);
741 len
+= snprintf(buf
+ len
, size
- len
, "Timer-Mode-Register: 0x%x (",
743 if (reg
& AR_TBTT_TIMER_EN
)
744 len
+= snprintf(buf
+ len
, size
- len
, "TBTT ");
745 if (reg
& AR_DBA_TIMER_EN
)
746 len
+= snprintf(buf
+ len
, size
- len
, "DBA ");
747 if (reg
& AR_SWBA_TIMER_EN
)
748 len
+= snprintf(buf
+ len
, size
- len
, "SWBA ");
749 if (reg
& AR_HCF_TIMER_EN
)
750 len
+= snprintf(buf
+ len
, size
- len
, "HCF ");
751 if (reg
& AR_TIM_TIMER_EN
)
752 len
+= snprintf(buf
+ len
, size
- len
, "TIM ");
753 if (reg
& AR_DTIM_TIMER_EN
)
754 len
+= snprintf(buf
+ len
, size
- len
, "DTIM ");
755 len
+= snprintf(buf
+ len
, size
- len
, ")\n");
757 reg
= sc
->sc_ah
->imask
;
758 len
+= snprintf(buf
+ len
, size
- len
, "imask: 0x%x (", reg
);
759 if (reg
& ATH9K_INT_SWBA
)
760 len
+= snprintf(buf
+ len
, size
- len
, "SWBA ");
761 if (reg
& ATH9K_INT_BMISS
)
762 len
+= snprintf(buf
+ len
, size
- len
, "BMISS ");
763 if (reg
& ATH9K_INT_CST
)
764 len
+= snprintf(buf
+ len
, size
- len
, "CST ");
765 if (reg
& ATH9K_INT_RX
)
766 len
+= snprintf(buf
+ len
, size
- len
, "RX ");
767 if (reg
& ATH9K_INT_RXHP
)
768 len
+= snprintf(buf
+ len
, size
- len
, "RXHP ");
769 if (reg
& ATH9K_INT_RXLP
)
770 len
+= snprintf(buf
+ len
, size
- len
, "RXLP ");
771 if (reg
& ATH9K_INT_BB_WATCHDOG
)
772 len
+= snprintf(buf
+ len
, size
- len
, "BB_WATCHDOG ");
773 /* there are other IRQs if one wanted to add them. */
774 len
+= snprintf(buf
+ len
, size
- len
, ")\n");
776 len
+= snprintf(buf
+ len
, size
- len
,
777 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
778 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
779 iter_data
.naps
, iter_data
.nstations
, iter_data
.nmeshes
,
780 iter_data
.nwds
, iter_data
.nadhocs
, iter_data
.nothers
,
781 sc
->nvifs
, sc
->nbcnvifs
);
783 len
+= snprintf(buf
+ len
, size
- len
,
784 "Calculated-BSSID-Mask: %pM\n",
790 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
796 void ath_debug_stat_tx(struct ath_softc
*sc
, struct ath_buf
*bf
,
797 struct ath_tx_status
*ts
, struct ath_txq
*txq
)
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 (bf_isxretried(bf
))
806 TX_STAT_INC(qnum
, a_xretries
);
808 TX_STAT_INC(qnum
, a_completed
);
810 TX_STAT_INC(qnum
, completed
);
813 if (ts
->ts_status
& ATH9K_TXERR_FIFO
)
814 TX_STAT_INC(qnum
, fifo_underrun
);
815 if (ts
->ts_status
& ATH9K_TXERR_XTXOP
)
816 TX_STAT_INC(qnum
, xtxop
);
817 if (ts
->ts_status
& ATH9K_TXERR_TIMER_EXPIRED
)
818 TX_STAT_INC(qnum
, timer_exp
);
819 if (ts
->ts_flags
& ATH9K_TX_DESC_CFG_ERR
)
820 TX_STAT_INC(qnum
, desc_cfg_err
);
821 if (ts
->ts_flags
& ATH9K_TX_DATA_UNDERRUN
)
822 TX_STAT_INC(qnum
, data_underrun
);
823 if (ts
->ts_flags
& ATH9K_TX_DELIM_UNDERRUN
)
824 TX_STAT_INC(qnum
, delim_underrun
);
827 static const struct file_operations fops_xmit
= {
828 .read
= read_file_xmit
,
829 .open
= ath9k_debugfs_open
,
830 .owner
= THIS_MODULE
,
831 .llseek
= default_llseek
,
834 static const struct file_operations fops_stations
= {
835 .read
= read_file_stations
,
836 .open
= ath9k_debugfs_open
,
837 .owner
= THIS_MODULE
,
838 .llseek
= default_llseek
,
841 static const struct file_operations fops_misc
= {
842 .read
= read_file_misc
,
843 .open
= ath9k_debugfs_open
,
844 .owner
= THIS_MODULE
,
845 .llseek
= default_llseek
,
848 static ssize_t
read_file_recv(struct file
*file
, char __user
*user_buf
,
849 size_t count
, loff_t
*ppos
)
851 #define PHY_ERR(s, p) \
852 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
853 sc->debug.stats.rxstats.phy_err_stats[p]);
855 struct ath_softc
*sc
= file
->private_data
;
857 unsigned int len
= 0, size
= 1400;
860 buf
= kzalloc(size
, GFP_KERNEL
);
864 len
+= snprintf(buf
+ len
, size
- len
,
865 "%18s : %10u\n", "CRC ERR",
866 sc
->debug
.stats
.rxstats
.crc_err
);
867 len
+= snprintf(buf
+ len
, size
- len
,
868 "%18s : %10u\n", "DECRYPT CRC ERR",
869 sc
->debug
.stats
.rxstats
.decrypt_crc_err
);
870 len
+= snprintf(buf
+ len
, size
- len
,
871 "%18s : %10u\n", "PHY ERR",
872 sc
->debug
.stats
.rxstats
.phy_err
);
873 len
+= snprintf(buf
+ len
, size
- len
,
874 "%18s : %10u\n", "MIC ERR",
875 sc
->debug
.stats
.rxstats
.mic_err
);
876 len
+= snprintf(buf
+ len
, size
- len
,
877 "%18s : %10u\n", "PRE-DELIM CRC ERR",
878 sc
->debug
.stats
.rxstats
.pre_delim_crc_err
);
879 len
+= snprintf(buf
+ len
, size
- len
,
880 "%18s : %10u\n", "POST-DELIM CRC ERR",
881 sc
->debug
.stats
.rxstats
.post_delim_crc_err
);
882 len
+= snprintf(buf
+ len
, size
- len
,
883 "%18s : %10u\n", "DECRYPT BUSY ERR",
884 sc
->debug
.stats
.rxstats
.decrypt_busy_err
);
886 len
+= snprintf(buf
+ len
, size
- len
,
887 "%18s : %10d\n", "RSSI-CTL0",
888 sc
->debug
.stats
.rxstats
.rs_rssi_ctl0
);
890 len
+= snprintf(buf
+ len
, size
- len
,
891 "%18s : %10d\n", "RSSI-CTL1",
892 sc
->debug
.stats
.rxstats
.rs_rssi_ctl1
);
894 len
+= snprintf(buf
+ len
, size
- len
,
895 "%18s : %10d\n", "RSSI-CTL2",
896 sc
->debug
.stats
.rxstats
.rs_rssi_ctl2
);
898 len
+= snprintf(buf
+ len
, size
- len
,
899 "%18s : %10d\n", "RSSI-EXT0",
900 sc
->debug
.stats
.rxstats
.rs_rssi_ext0
);
902 len
+= snprintf(buf
+ len
, size
- len
,
903 "%18s : %10d\n", "RSSI-EXT1",
904 sc
->debug
.stats
.rxstats
.rs_rssi_ext1
);
906 len
+= snprintf(buf
+ len
, size
- len
,
907 "%18s : %10d\n", "RSSI-EXT2",
908 sc
->debug
.stats
.rxstats
.rs_rssi_ext2
);
910 len
+= snprintf(buf
+ len
, size
- len
,
911 "%18s : %10d\n", "Rx Antenna",
912 sc
->debug
.stats
.rxstats
.rs_antenna
);
914 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN
);
915 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING
);
916 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY
);
917 PHY_ERR("RATE", ATH9K_PHYERR_RATE
);
918 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH
);
919 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR
);
920 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE
);
921 PHY_ERR("TOR", ATH9K_PHYERR_TOR
);
922 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING
);
923 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY
);
924 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL
);
925 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL
);
926 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP
);
927 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE
);
928 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART
);
929 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT
);
930 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING
);
931 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC
);
932 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL
);
933 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE
);
934 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART
);
935 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL
);
936 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP
);
937 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR
);
938 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL
);
939 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL
);
941 len
+= snprintf(buf
+ len
, size
- len
,
942 "%18s : %10u\n", "RX-Pkts-All",
943 sc
->debug
.stats
.rxstats
.rx_pkts_all
);
944 len
+= snprintf(buf
+ len
, size
- len
,
945 "%18s : %10u\n", "RX-Bytes-All",
946 sc
->debug
.stats
.rxstats
.rx_bytes_all
);
951 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
959 void ath_debug_stat_rx(struct ath_softc
*sc
, struct ath_rx_status
*rs
)
961 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
962 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
966 RX_STAT_INC(rx_pkts_all
);
967 sc
->debug
.stats
.rxstats
.rx_bytes_all
+= rs
->rs_datalen
;
969 if (rs
->rs_status
& ATH9K_RXERR_CRC
)
970 RX_STAT_INC(crc_err
);
971 if (rs
->rs_status
& ATH9K_RXERR_DECRYPT
)
972 RX_STAT_INC(decrypt_crc_err
);
973 if (rs
->rs_status
& ATH9K_RXERR_MIC
)
974 RX_STAT_INC(mic_err
);
975 if (rs
->rs_status
& ATH9K_RX_DELIM_CRC_PRE
)
976 RX_STAT_INC(pre_delim_crc_err
);
977 if (rs
->rs_status
& ATH9K_RX_DELIM_CRC_POST
)
978 RX_STAT_INC(post_delim_crc_err
);
979 if (rs
->rs_status
& ATH9K_RX_DECRYPT_BUSY
)
980 RX_STAT_INC(decrypt_busy_err
);
982 if (rs
->rs_status
& ATH9K_RXERR_PHY
) {
983 RX_STAT_INC(phy_err
);
984 phyerr
= rs
->rs_phyerr
& 0x24;
985 RX_PHY_ERR_INC(phyerr
);
988 sc
->debug
.stats
.rxstats
.rs_rssi_ctl0
= rs
->rs_rssi_ctl0
;
989 sc
->debug
.stats
.rxstats
.rs_rssi_ctl1
= rs
->rs_rssi_ctl1
;
990 sc
->debug
.stats
.rxstats
.rs_rssi_ctl2
= rs
->rs_rssi_ctl2
;
992 sc
->debug
.stats
.rxstats
.rs_rssi_ext0
= rs
->rs_rssi_ext0
;
993 sc
->debug
.stats
.rxstats
.rs_rssi_ext1
= rs
->rs_rssi_ext1
;
994 sc
->debug
.stats
.rxstats
.rs_rssi_ext2
= rs
->rs_rssi_ext2
;
996 sc
->debug
.stats
.rxstats
.rs_antenna
= rs
->rs_antenna
;
999 #undef RX_PHY_ERR_INC
1002 static const struct file_operations fops_recv
= {
1003 .read
= read_file_recv
,
1004 .open
= ath9k_debugfs_open
,
1005 .owner
= THIS_MODULE
,
1006 .llseek
= default_llseek
,
1009 static ssize_t
read_file_regidx(struct file
*file
, char __user
*user_buf
,
1010 size_t count
, loff_t
*ppos
)
1012 struct ath_softc
*sc
= file
->private_data
;
1016 len
= sprintf(buf
, "0x%08x\n", sc
->debug
.regidx
);
1017 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1020 static ssize_t
write_file_regidx(struct file
*file
, const char __user
*user_buf
,
1021 size_t count
, loff_t
*ppos
)
1023 struct ath_softc
*sc
= file
->private_data
;
1024 unsigned long regidx
;
1028 len
= min(count
, sizeof(buf
) - 1);
1029 if (copy_from_user(buf
, user_buf
, len
))
1033 if (strict_strtoul(buf
, 0, ®idx
))
1036 sc
->debug
.regidx
= regidx
;
1040 static const struct file_operations fops_regidx
= {
1041 .read
= read_file_regidx
,
1042 .write
= write_file_regidx
,
1043 .open
= ath9k_debugfs_open
,
1044 .owner
= THIS_MODULE
,
1045 .llseek
= default_llseek
,
1048 static ssize_t
read_file_regval(struct file
*file
, char __user
*user_buf
,
1049 size_t count
, loff_t
*ppos
)
1051 struct ath_softc
*sc
= file
->private_data
;
1052 struct ath_hw
*ah
= sc
->sc_ah
;
1057 ath9k_ps_wakeup(sc
);
1058 regval
= REG_READ_D(ah
, sc
->debug
.regidx
);
1059 ath9k_ps_restore(sc
);
1060 len
= sprintf(buf
, "0x%08x\n", regval
);
1061 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1064 static ssize_t
write_file_regval(struct file
*file
, const char __user
*user_buf
,
1065 size_t count
, loff_t
*ppos
)
1067 struct ath_softc
*sc
= file
->private_data
;
1068 struct ath_hw
*ah
= sc
->sc_ah
;
1069 unsigned long regval
;
1073 len
= min(count
, sizeof(buf
) - 1);
1074 if (copy_from_user(buf
, user_buf
, len
))
1078 if (strict_strtoul(buf
, 0, ®val
))
1081 ath9k_ps_wakeup(sc
);
1082 REG_WRITE_D(ah
, sc
->debug
.regidx
, regval
);
1083 ath9k_ps_restore(sc
);
1087 static const struct file_operations fops_regval
= {
1088 .read
= read_file_regval
,
1089 .write
= write_file_regval
,
1090 .open
= ath9k_debugfs_open
,
1091 .owner
= THIS_MODULE
,
1092 .llseek
= default_llseek
,
1095 #define REGDUMP_LINE_SIZE 20
1097 static int open_file_regdump(struct inode
*inode
, struct file
*file
)
1099 struct ath_softc
*sc
= inode
->i_private
;
1100 unsigned int len
= 0;
1103 unsigned long num_regs
, regdump_len
, max_reg_offset
;
1105 max_reg_offset
= AR_SREV_9300_20_OR_LATER(sc
->sc_ah
) ? 0x16bd4 : 0xb500;
1106 num_regs
= max_reg_offset
/ 4 + 1;
1107 regdump_len
= num_regs
* REGDUMP_LINE_SIZE
+ 1;
1108 buf
= vmalloc(regdump_len
);
1112 ath9k_ps_wakeup(sc
);
1113 for (i
= 0; i
< num_regs
; i
++)
1114 len
+= scnprintf(buf
+ len
, regdump_len
- len
,
1115 "0x%06x 0x%08x\n", i
<< 2, REG_READ(sc
->sc_ah
, i
<< 2));
1116 ath9k_ps_restore(sc
);
1118 file
->private_data
= buf
;
1123 static const struct file_operations fops_regdump
= {
1124 .open
= open_file_regdump
,
1125 .read
= ath9k_debugfs_read_buf
,
1126 .release
= ath9k_debugfs_release_buf
,
1127 .owner
= THIS_MODULE
,
1128 .llseek
= default_llseek
,/* read accesses f_pos */
1131 int ath9k_init_debug(struct ath_hw
*ah
)
1133 struct ath_common
*common
= ath9k_hw_common(ah
);
1134 struct ath_softc
*sc
= (struct ath_softc
*) common
->priv
;
1136 sc
->debug
.debugfs_phy
= debugfs_create_dir("ath9k",
1137 sc
->hw
->wiphy
->debugfsdir
);
1138 if (!sc
->debug
.debugfs_phy
)
1141 #ifdef CONFIG_ATH_DEBUG
1142 debugfs_create_file("debug", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1145 debugfs_create_file("dma", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1147 debugfs_create_file("interrupt", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1149 debugfs_create_file("wiphy", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1151 debugfs_create_file("xmit", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1153 debugfs_create_file("stations", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1155 debugfs_create_file("misc", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1157 debugfs_create_file("recv", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1159 debugfs_create_file("rx_chainmask", S_IRUSR
| S_IWUSR
,
1160 sc
->debug
.debugfs_phy
, sc
, &fops_rx_chainmask
);
1161 debugfs_create_file("tx_chainmask", S_IRUSR
| S_IWUSR
,
1162 sc
->debug
.debugfs_phy
, sc
, &fops_tx_chainmask
);
1163 debugfs_create_file("regidx", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1165 debugfs_create_file("regval", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1167 debugfs_create_bool("ignore_extcca", S_IRUSR
| S_IWUSR
,
1168 sc
->debug
.debugfs_phy
,
1169 &ah
->config
.cwm_ignore_extcca
);
1170 debugfs_create_file("regdump", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1173 debugfs_create_u32("gpio_mask", S_IRUSR
| S_IWUSR
,
1174 sc
->debug
.debugfs_phy
, &sc
->sc_ah
->gpio_mask
);
1176 debugfs_create_u32("gpio_val", S_IRUSR
| S_IWUSR
,
1177 sc
->debug
.debugfs_phy
, &sc
->sc_ah
->gpio_val
);
1179 sc
->debug
.regidx
= 0;