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ath9k: Add debugfs support for mac/baseband samples
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / ath / ath9k / debug.c
blobfbec5f7eca6ee0535609bd954c83e24c319e3ce3
1 /*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
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.
7 *
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.
15 */
16
17 #include <linux/slab.h>
18 #include <linux/vmalloc.h>
19 #include <asm/unaligned.h>
20
21 #include "ath9k.h"
22
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))
27
28 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
29 {
30 file->private_data = inode->i_private;
31 return 0;
32 }
33
34 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
35 size_t count, loff_t *ppos)
36 {
37 u8 *buf = file->private_data;
38 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
39 }
40
41 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
42 {
43 vfree(file->private_data);
44 return 0;
45 }
46
47 #ifdef CONFIG_ATH_DEBUG
48
49 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
50 size_t count, loff_t *ppos)
51 {
52 struct ath_softc *sc = file->private_data;
53 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
54 char buf[32];
55 unsigned int len;
56
57 len = sprintf(buf, "0x%08x\n", common->debug_mask);
58 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
59 }
60
61 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
62 size_t count, loff_t *ppos)
63 {
64 struct ath_softc *sc = file->private_data;
65 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
66 unsigned long mask;
67 char buf[32];
68 ssize_t len;
69
70 len = min(count, sizeof(buf) - 1);
71 if (copy_from_user(buf, user_buf, len))
72 return -EFAULT;
73
74 buf[len] = '\0';
75 if (strict_strtoul(buf, 0, &mask))
76 return -EINVAL;
77
78 common->debug_mask = mask;
79 return count;
80 }
81
82 static const struct file_operations fops_debug = {
83 .read = read_file_debug,
84 .write = write_file_debug,
85 .open = ath9k_debugfs_open,
86 .owner = THIS_MODULE,
87 .llseek = default_llseek,
88 };
89
90 #endif
91
92 #define DMA_BUF_LEN 1024
93
94 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
95 size_t count, loff_t *ppos)
96 {
97 struct ath_softc *sc = file->private_data;
98 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
99 char buf[32];
100 unsigned int len;
101
102 len = sprintf(buf, "0x%08x\n", common->tx_chainmask);
103 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
104 }
105
106 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
107 size_t count, loff_t *ppos)
108 {
109 struct ath_softc *sc = file->private_data;
110 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
111 unsigned long mask;
112 char buf[32];
113 ssize_t len;
114
115 len = min(count, sizeof(buf) - 1);
116 if (copy_from_user(buf, user_buf, len))
117 return -EFAULT;
118
119 buf[len] = '\0';
120 if (strict_strtoul(buf, 0, &mask))
121 return -EINVAL;
122
123 common->tx_chainmask = mask;
124 sc->sc_ah->caps.tx_chainmask = mask;
125 return count;
126 }
127
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,
134 };
135
136
137 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
138 size_t count, loff_t *ppos)
139 {
140 struct ath_softc *sc = file->private_data;
141 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
142 char buf[32];
143 unsigned int len;
144
145 len = sprintf(buf, "0x%08x\n", common->rx_chainmask);
146 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
147 }
148
149 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
150 size_t count, loff_t *ppos)
151 {
152 struct ath_softc *sc = file->private_data;
153 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
154 unsigned long mask;
155 char buf[32];
156 ssize_t len;
157
158 len = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, len))
160 return -EFAULT;
161
162 buf[len] = '\0';
163 if (strict_strtoul(buf, 0, &mask))
164 return -EINVAL;
165
166 common->rx_chainmask = mask;
167 sc->sc_ah->caps.rx_chainmask = mask;
168 return count;
169 }
170
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,
177 };
178
179 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
180 size_t count, loff_t *ppos)
181 {
182 struct ath_softc *sc = file->private_data;
183 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
184 char buf[32];
185 unsigned int len;
186
187 len = sprintf(buf, "%d\n", common->disable_ani);
188 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
189 }
190
191 static ssize_t write_file_disable_ani(struct file *file,
192 const char __user *user_buf,
193 size_t count, loff_t *ppos)
194 {
195 struct ath_softc *sc = file->private_data;
196 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
197 unsigned long disable_ani;
198 char buf[32];
199 ssize_t len;
200
201 len = min(count, sizeof(buf) - 1);
202 if (copy_from_user(buf, user_buf, len))
203 return -EFAULT;
204
205 buf[len] = '\0';
206 if (strict_strtoul(buf, 0, &disable_ani))
207 return -EINVAL;
208
209 common->disable_ani = !!disable_ani;
210
211 if (disable_ani) {
212 sc->sc_flags &= ~SC_OP_ANI_RUN;
213 del_timer_sync(&common->ani.timer);
214 } else {
215 sc->sc_flags |= SC_OP_ANI_RUN;
216 ath_start_ani(common);
217 }
218
219 return count;
220 }
221
222 static const struct file_operations fops_disable_ani = {
223 .read = read_file_disable_ani,
224 .write = write_file_disable_ani,
225 .open = ath9k_debugfs_open,
226 .owner = THIS_MODULE,
227 .llseek = default_llseek,
228 };
229
230 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
231 size_t count, loff_t *ppos)
232 {
233 struct ath_softc *sc = file->private_data;
234 struct ath_hw *ah = sc->sc_ah;
235 char *buf;
236 int retval;
237 unsigned int len = 0;
238 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
239 int i, qcuOffset = 0, dcuOffset = 0;
240 u32 *qcuBase = &val[0], *dcuBase = &val[4];
241
242 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
243 if (!buf)
244 return -ENOMEM;
245
246 ath9k_ps_wakeup(sc);
247
248 REG_WRITE_D(ah, AR_MACMISC,
249 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
250 (AR_MACMISC_MISC_OBS_BUS_1 <<
251 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
252
253 len += snprintf(buf + len, DMA_BUF_LEN - len,
254 "Raw DMA Debug values:\n");
255
256 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
257 if (i % 4 == 0)
258 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
259
260 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
261 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
262 i, val[i]);
263 }
264
265 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
266 len += snprintf(buf + len, DMA_BUF_LEN - len,
267 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
268
269 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
270 if (i == 8) {
271 qcuOffset = 0;
272 qcuBase++;
273 }
274
275 if (i == 6) {
276 dcuOffset = 0;
277 dcuBase++;
278 }
279
280 len += snprintf(buf + len, DMA_BUF_LEN - len,
281 "%2d %2x %1x %2x %2x\n",
282 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
283 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
284 val[2] & (0x7 << (i * 3)) >> (i * 3),
285 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
286 }
287
288 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
289
290 len += snprintf(buf + len, DMA_BUF_LEN - len,
291 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
292 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
293 len += snprintf(buf + len, DMA_BUF_LEN - len,
294 "qcu_complete state: %2x dcu_complete state: %2x\n",
295 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
296 len += snprintf(buf + len, DMA_BUF_LEN - len,
297 "dcu_arb state: %2x dcu_fp state: %2x\n",
298 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
299 len += snprintf(buf + len, DMA_BUF_LEN - len,
300 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
301 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
302 len += snprintf(buf + len, DMA_BUF_LEN - len,
303 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
304 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
305 len += snprintf(buf + len, DMA_BUF_LEN - len,
306 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
307 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
308
309 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
310 REG_READ_D(ah, AR_OBS_BUS_1));
311 len += snprintf(buf + len, DMA_BUF_LEN - len,
312 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
313
314 ath9k_ps_restore(sc);
315
316 if (len > DMA_BUF_LEN)
317 len = DMA_BUF_LEN;
318
319 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
320 kfree(buf);
321 return retval;
322 }
323
324 static const struct file_operations fops_dma = {
325 .read = read_file_dma,
326 .open = ath9k_debugfs_open,
327 .owner = THIS_MODULE,
328 .llseek = default_llseek,
329 };
330
331
332 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
333 {
334 if (status)
335 sc->debug.stats.istats.total++;
336 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
337 if (status & ATH9K_INT_RXLP)
338 sc->debug.stats.istats.rxlp++;
339 if (status & ATH9K_INT_RXHP)
340 sc->debug.stats.istats.rxhp++;
341 if (status & ATH9K_INT_BB_WATCHDOG)
342 sc->debug.stats.istats.bb_watchdog++;
343 } else {
344 if (status & ATH9K_INT_RX)
345 sc->debug.stats.istats.rxok++;
346 }
347 if (status & ATH9K_INT_RXEOL)
348 sc->debug.stats.istats.rxeol++;
349 if (status & ATH9K_INT_RXORN)
350 sc->debug.stats.istats.rxorn++;
351 if (status & ATH9K_INT_TX)
352 sc->debug.stats.istats.txok++;
353 if (status & ATH9K_INT_TXURN)
354 sc->debug.stats.istats.txurn++;
355 if (status & ATH9K_INT_MIB)
356 sc->debug.stats.istats.mib++;
357 if (status & ATH9K_INT_RXPHY)
358 sc->debug.stats.istats.rxphyerr++;
359 if (status & ATH9K_INT_RXKCM)
360 sc->debug.stats.istats.rx_keycache_miss++;
361 if (status & ATH9K_INT_SWBA)
362 sc->debug.stats.istats.swba++;
363 if (status & ATH9K_INT_BMISS)
364 sc->debug.stats.istats.bmiss++;
365 if (status & ATH9K_INT_BNR)
366 sc->debug.stats.istats.bnr++;
367 if (status & ATH9K_INT_CST)
368 sc->debug.stats.istats.cst++;
369 if (status & ATH9K_INT_GTT)
370 sc->debug.stats.istats.gtt++;
371 if (status & ATH9K_INT_TIM)
372 sc->debug.stats.istats.tim++;
373 if (status & ATH9K_INT_CABEND)
374 sc->debug.stats.istats.cabend++;
375 if (status & ATH9K_INT_DTIMSYNC)
376 sc->debug.stats.istats.dtimsync++;
377 if (status & ATH9K_INT_DTIM)
378 sc->debug.stats.istats.dtim++;
379 if (status & ATH9K_INT_TSFOOR)
380 sc->debug.stats.istats.tsfoor++;
381 }
382
383 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
384 size_t count, loff_t *ppos)
385 {
386 struct ath_softc *sc = file->private_data;
387 char buf[512];
388 unsigned int len = 0;
389
390 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
391 len += snprintf(buf + len, sizeof(buf) - len,
392 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
393 len += snprintf(buf + len, sizeof(buf) - len,
394 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
395 len += snprintf(buf + len, sizeof(buf) - len,
396 "%8s: %10u\n", "WATCHDOG",
397 sc->debug.stats.istats.bb_watchdog);
398 } else {
399 len += snprintf(buf + len, sizeof(buf) - len,
400 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
401 }
402 len += snprintf(buf + len, sizeof(buf) - len,
403 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
404 len += snprintf(buf + len, sizeof(buf) - len,
405 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
406 len += snprintf(buf + len, sizeof(buf) - len,
407 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
408 len += snprintf(buf + len, sizeof(buf) - len,
409 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
410 len += snprintf(buf + len, sizeof(buf) - len,
411 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
412 len += snprintf(buf + len, sizeof(buf) - len,
413 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
414 len += snprintf(buf + len, sizeof(buf) - len,
415 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
416 len += snprintf(buf + len, sizeof(buf) - len,
417 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
418 len += snprintf(buf + len, sizeof(buf) - len,
419 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
420 len += snprintf(buf + len, sizeof(buf) - len,
421 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
422 len += snprintf(buf + len, sizeof(buf) - len,
423 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
424 len += snprintf(buf + len, sizeof(buf) - len,
425 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
426 len += snprintf(buf + len, sizeof(buf) - len,
427 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
428 len += snprintf(buf + len, sizeof(buf) - len,
429 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
430 len += snprintf(buf + len, sizeof(buf) - len,
431 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
432 len += snprintf(buf + len, sizeof(buf) - len,
433 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
434 len += snprintf(buf + len, sizeof(buf) - len,
435 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
436 len += snprintf(buf + len, sizeof(buf) - len,
437 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
438
439
440 if (len > sizeof(buf))
441 len = sizeof(buf);
442
443 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
444 }
445
446 static const struct file_operations fops_interrupt = {
447 .read = read_file_interrupt,
448 .open = ath9k_debugfs_open,
449 .owner = THIS_MODULE,
450 .llseek = default_llseek,
451 };
452
453 static const char *channel_type_str(enum nl80211_channel_type t)
454 {
455 switch (t) {
456 case NL80211_CHAN_NO_HT:
457 return "no ht";
458 case NL80211_CHAN_HT20:
459 return "ht20";
460 case NL80211_CHAN_HT40MINUS:
461 return "ht40-";
462 case NL80211_CHAN_HT40PLUS:
463 return "ht40+";
464 default:
465 return "???";
466 }
467 }
468
469 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
470 size_t count, loff_t *ppos)
471 {
472 struct ath_softc *sc = file->private_data;
473 struct ieee80211_channel *chan = sc->hw->conf.channel;
474 struct ieee80211_conf *conf = &(sc->hw->conf);
475 char buf[512];
476 unsigned int len = 0;
477 u8 addr[ETH_ALEN];
478 u32 tmp;
479
480 len += snprintf(buf + len, sizeof(buf) - len,
481 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n",
482 wiphy_name(sc->hw->wiphy),
483 ieee80211_frequency_to_channel(chan->center_freq),
484 chan->center_freq,
485 conf->channel_type,
486 channel_type_str(conf->channel_type));
487
488 ath9k_ps_wakeup(sc);
489 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
490 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
491 len += snprintf(buf + len, sizeof(buf) - len,
492 "addr: %pM\n", addr);
493 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
494 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
495 len += snprintf(buf + len, sizeof(buf) - len,
496 "addrmask: %pM\n", addr);
497 tmp = ath9k_hw_getrxfilter(sc->sc_ah);
498 ath9k_ps_restore(sc);
499 len += snprintf(buf + len, sizeof(buf) - len,
500 "rfilt: 0x%x", tmp);
501 if (tmp & ATH9K_RX_FILTER_UCAST)
502 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
503 if (tmp & ATH9K_RX_FILTER_MCAST)
504 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
505 if (tmp & ATH9K_RX_FILTER_BCAST)
506 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
507 if (tmp & ATH9K_RX_FILTER_CONTROL)
508 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
509 if (tmp & ATH9K_RX_FILTER_BEACON)
510 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
511 if (tmp & ATH9K_RX_FILTER_PROM)
512 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
513 if (tmp & ATH9K_RX_FILTER_PROBEREQ)
514 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
515 if (tmp & ATH9K_RX_FILTER_PHYERR)
516 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
517 if (tmp & ATH9K_RX_FILTER_MYBEACON)
518 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
519 if (tmp & ATH9K_RX_FILTER_COMP_BAR)
520 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
521 if (tmp & ATH9K_RX_FILTER_PSPOLL)
522 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
523 if (tmp & ATH9K_RX_FILTER_PHYRADAR)
524 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
525 if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
526 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL\n");
527 else
528 len += snprintf(buf + len, sizeof(buf) - len, "\n");
529
530 if (len > sizeof(buf))
531 len = sizeof(buf);
532
533 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
534 }
535
536 static const struct file_operations fops_wiphy = {
537 .read = read_file_wiphy,
538 .open = ath9k_debugfs_open,
539 .owner = THIS_MODULE,
540 .llseek = default_llseek,
541 };
542
543 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
544 #define PR(str, elem) \
545 do { \
546 len += snprintf(buf + len, size - len, \
547 "%s%13u%11u%10u%10u\n", str, \
548 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
549 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
550 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
551 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
552 if (len >= size) \
553 goto done; \
554 } while(0)
555
556 #define PRX(str, elem) \
557 do { \
558 len += snprintf(buf + len, size - len, \
559 "%s%13u%11u%10u%10u\n", str, \
560 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
561 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
562 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
563 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
564 if (len >= size) \
565 goto done; \
566 } while(0)
567
568 #define PRQLE(str, elem) \
569 do { \
570 len += snprintf(buf + len, size - len, \
571 "%s%13i%11i%10i%10i\n", str, \
572 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
573 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
574 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
575 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
576 if (len >= size) \
577 goto done; \
578 } while (0)
579
580 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
581 size_t count, loff_t *ppos)
582 {
583 struct ath_softc *sc = file->private_data;
584 char *buf;
585 unsigned int len = 0, size = 8000;
586 int i;
587 ssize_t retval = 0;
588 char tmp[32];
589
590 buf = kzalloc(size, GFP_KERNEL);
591 if (buf == NULL)
592 return -ENOMEM;
593
594 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
595 " poll-work-seen: %u\n"
596 "%30s %10s%10s%10s\n\n",
597 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
598 sc->tx_complete_poll_work_seen,
599 "BE", "BK", "VI", "VO");
600
601 PR("MPDUs Queued: ", queued);
602 PR("MPDUs Completed: ", completed);
603 PR("MPDUs XRetried: ", xretries);
604 PR("Aggregates: ", a_aggr);
605 PR("AMPDUs Queued HW:", a_queued_hw);
606 PR("AMPDUs Queued SW:", a_queued_sw);
607 PR("AMPDUs Completed:", a_completed);
608 PR("AMPDUs Retried: ", a_retries);
609 PR("AMPDUs XRetried: ", a_xretries);
610 PR("FIFO Underrun: ", fifo_underrun);
611 PR("TXOP Exceeded: ", xtxop);
612 PR("TXTIMER Expiry: ", timer_exp);
613 PR("DESC CFG Error: ", desc_cfg_err);
614 PR("DATA Underrun: ", data_underrun);
615 PR("DELIM Underrun: ", delim_underrun);
616 PR("TX-Pkts-All: ", tx_pkts_all);
617 PR("TX-Bytes-All: ", tx_bytes_all);
618 PR("hw-put-tx-buf: ", puttxbuf);
619 PR("hw-tx-start: ", txstart);
620 PR("hw-tx-proc-desc: ", txprocdesc);
621 len += snprintf(buf + len, size - len,
622 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
623 sc->tx.txq_map[WME_AC_BE],
624 sc->tx.txq_map[WME_AC_BK],
625 sc->tx.txq_map[WME_AC_VI],
626 sc->tx.txq_map[WME_AC_VO]);
627 if (len >= size)
628 goto done;
629
630 PRX("axq-qnum: ", axq_qnum);
631 PRX("axq-depth: ", axq_depth);
632 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
633 PRX("axq-stopped ", stopped);
634 PRX("tx-in-progress ", axq_tx_inprogress);
635 PRX("pending-frames ", pending_frames);
636 PRX("txq_headidx: ", txq_headidx);
637 PRX("txq_tailidx: ", txq_headidx);
638
639 PRQLE("axq_q empty: ", axq_q);
640 PRQLE("axq_acq empty: ", axq_acq);
641 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
642 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
643 PRQLE(tmp, txq_fifo[i]);
644 }
645
646 /* Print out more detailed queue-info */
647 for (i = 0; i <= WME_AC_BK; i++) {
648 struct ath_txq *txq = &(sc->tx.txq[i]);
649 struct ath_atx_ac *ac;
650 struct ath_atx_tid *tid;
651 if (len >= size)
652 goto done;
653 spin_lock_bh(&txq->axq_lock);
654 if (!list_empty(&txq->axq_acq)) {
655 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
656 list);
657 len += snprintf(buf + len, size - len,
658 "txq[%i] first-ac: %p sched: %i\n",
659 i, ac, ac->sched);
660 if (list_empty(&ac->tid_q) || (len >= size))
661 goto done_for;
662 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
663 list);
664 len += snprintf(buf + len, size - len,
665 " first-tid: %p sched: %i paused: %i\n",
666 tid, tid->sched, tid->paused);
667 }
668 done_for:
669 spin_unlock_bh(&txq->axq_lock);
670 }
671
672 done:
673 if (len > size)
674 len = size;
675
676 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
677 kfree(buf);
678
679 return retval;
680 }
681
682 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
683 size_t count, loff_t *ppos)
684 {
685 struct ath_softc *sc = file->private_data;
686 char *buf;
687 unsigned int len = 0, size = 64000;
688 struct ath_node *an = NULL;
689 ssize_t retval = 0;
690 int q;
691
692 buf = kzalloc(size, GFP_KERNEL);
693 if (buf == NULL)
694 return -ENOMEM;
695
696 len += snprintf(buf + len, size - len,
697 "Stations:\n"
698 " tid: addr sched paused buf_q-empty an ac\n"
699 " ac: addr sched tid_q-empty txq\n");
700
701 spin_lock(&sc->nodes_lock);
702 list_for_each_entry(an, &sc->nodes, list) {
703 len += snprintf(buf + len, size - len,
704 "%pM\n", an->sta->addr);
705 if (len >= size)
706 goto done;
707
708 for (q = 0; q < WME_NUM_TID; q++) {
709 struct ath_atx_tid *tid = &(an->tid[q]);
710 len += snprintf(buf + len, size - len,
711 " tid: %p %s %s %i %p %p\n",
712 tid, tid->sched ? "sched" : "idle",
713 tid->paused ? "paused" : "running",
714 list_empty(&tid->buf_q),
715 tid->an, tid->ac);
716 if (len >= size)
717 goto done;
718 }
719
720 for (q = 0; q < WME_NUM_AC; q++) {
721 struct ath_atx_ac *ac = &(an->ac[q]);
722 len += snprintf(buf + len, size - len,
723 " ac: %p %s %i %p\n",
724 ac, ac->sched ? "sched" : "idle",
725 list_empty(&ac->tid_q), ac->txq);
726 if (len >= size)
727 goto done;
728 }
729 }
730
731 done:
732 spin_unlock(&sc->nodes_lock);
733 if (len > size)
734 len = size;
735
736 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
737 kfree(buf);
738
739 return retval;
740 }
741
742 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
743 size_t count, loff_t *ppos)
744 {
745 struct ath_softc *sc = file->private_data;
746 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
747 struct ath_hw *ah = sc->sc_ah;
748 struct ieee80211_hw *hw = sc->hw;
749 char *buf;
750 unsigned int len = 0, size = 8000;
751 ssize_t retval = 0;
752 unsigned int reg;
753 struct ath9k_vif_iter_data iter_data;
754
755 ath9k_calculate_iter_data(hw, NULL, &iter_data);
756
757 buf = kzalloc(size, GFP_KERNEL);
758 if (buf == NULL)
759 return -ENOMEM;
760
761 ath9k_ps_wakeup(sc);
762 len += snprintf(buf + len, size - len,
763 "curbssid: %pM\n"
764 "OP-Mode: %s(%i)\n"
765 "Beacon-Timer-Register: 0x%x\n",
766 common->curbssid,
767 ath_opmode_to_string(sc->sc_ah->opmode),
768 (int)(sc->sc_ah->opmode),
769 REG_READ(ah, AR_BEACON_PERIOD));
770
771 reg = REG_READ(ah, AR_TIMER_MODE);
772 ath9k_ps_restore(sc);
773 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
774 reg);
775 if (reg & AR_TBTT_TIMER_EN)
776 len += snprintf(buf + len, size - len, "TBTT ");
777 if (reg & AR_DBA_TIMER_EN)
778 len += snprintf(buf + len, size - len, "DBA ");
779 if (reg & AR_SWBA_TIMER_EN)
780 len += snprintf(buf + len, size - len, "SWBA ");
781 if (reg & AR_HCF_TIMER_EN)
782 len += snprintf(buf + len, size - len, "HCF ");
783 if (reg & AR_TIM_TIMER_EN)
784 len += snprintf(buf + len, size - len, "TIM ");
785 if (reg & AR_DTIM_TIMER_EN)
786 len += snprintf(buf + len, size - len, "DTIM ");
787 len += snprintf(buf + len, size - len, ")\n");
788
789 reg = sc->sc_ah->imask;
790 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
791 if (reg & ATH9K_INT_SWBA)
792 len += snprintf(buf + len, size - len, "SWBA ");
793 if (reg & ATH9K_INT_BMISS)
794 len += snprintf(buf + len, size - len, "BMISS ");
795 if (reg & ATH9K_INT_CST)
796 len += snprintf(buf + len, size - len, "CST ");
797 if (reg & ATH9K_INT_RX)
798 len += snprintf(buf + len, size - len, "RX ");
799 if (reg & ATH9K_INT_RXHP)
800 len += snprintf(buf + len, size - len, "RXHP ");
801 if (reg & ATH9K_INT_RXLP)
802 len += snprintf(buf + len, size - len, "RXLP ");
803 if (reg & ATH9K_INT_BB_WATCHDOG)
804 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
805 /* there are other IRQs if one wanted to add them. */
806 len += snprintf(buf + len, size - len, ")\n");
807
808 len += snprintf(buf + len, size - len,
809 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
810 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
811 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
812 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
813 sc->nvifs, sc->nbcnvifs);
814
815 len += snprintf(buf + len, size - len,
816 "Calculated-BSSID-Mask: %pM\n",
817 iter_data.mask);
818
819 if (len > size)
820 len = size;
821
822 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
823 kfree(buf);
824
825 return retval;
826 }
827
828 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
829 struct ath_tx_status *ts, struct ath_txq *txq)
830 {
831 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
832 [sc->debug.tsidx].c)
833 int qnum = txq->axq_qnum;
834
835 TX_STAT_INC(qnum, tx_pkts_all);
836 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
837
838 if (bf_isampdu(bf)) {
839 if (bf_isxretried(bf))
840 TX_STAT_INC(qnum, a_xretries);
841 else
842 TX_STAT_INC(qnum, a_completed);
843 } else {
844 if (bf_isxretried(bf))
845 TX_STAT_INC(qnum, xretries);
846 else
847 TX_STAT_INC(qnum, completed);
848 }
849
850 if (ts->ts_status & ATH9K_TXERR_FIFO)
851 TX_STAT_INC(qnum, fifo_underrun);
852 if (ts->ts_status & ATH9K_TXERR_XTXOP)
853 TX_STAT_INC(qnum, xtxop);
854 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
855 TX_STAT_INC(qnum, timer_exp);
856 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
857 TX_STAT_INC(qnum, desc_cfg_err);
858 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
859 TX_STAT_INC(qnum, data_underrun);
860 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
861 TX_STAT_INC(qnum, delim_underrun);
862
863 spin_lock(&sc->debug.samp_lock);
864 TX_SAMP_DBG(jiffies) = jiffies;
865 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
866 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
867 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
868 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
869 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
870 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
871 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
872 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
873 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
874 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
875 TX_SAMP_DBG(rssi) = ts->ts_rssi;
876 TX_SAMP_DBG(tid) = ts->tid;
877 TX_SAMP_DBG(qid) = ts->qid;
878 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
879 spin_unlock(&sc->debug.samp_lock);
880
881 #undef TX_SAMP_DBG
882 }
883
884 static const struct file_operations fops_xmit = {
885 .read = read_file_xmit,
886 .open = ath9k_debugfs_open,
887 .owner = THIS_MODULE,
888 .llseek = default_llseek,
889 };
890
891 static const struct file_operations fops_stations = {
892 .read = read_file_stations,
893 .open = ath9k_debugfs_open,
894 .owner = THIS_MODULE,
895 .llseek = default_llseek,
896 };
897
898 static const struct file_operations fops_misc = {
899 .read = read_file_misc,
900 .open = ath9k_debugfs_open,
901 .owner = THIS_MODULE,
902 .llseek = default_llseek,
903 };
904
905 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
906 size_t count, loff_t *ppos)
907 {
908 #define PHY_ERR(s, p) \
909 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
910 sc->debug.stats.rxstats.phy_err_stats[p]);
911
912 struct ath_softc *sc = file->private_data;
913 char *buf;
914 unsigned int len = 0, size = 1400;
915 ssize_t retval = 0;
916
917 buf = kzalloc(size, GFP_KERNEL);
918 if (buf == NULL)
919 return -ENOMEM;
920
921 len += snprintf(buf + len, size - len,
922 "%18s : %10u\n", "CRC ERR",
923 sc->debug.stats.rxstats.crc_err);
924 len += snprintf(buf + len, size - len,
925 "%18s : %10u\n", "DECRYPT CRC ERR",
926 sc->debug.stats.rxstats.decrypt_crc_err);
927 len += snprintf(buf + len, size - len,
928 "%18s : %10u\n", "PHY ERR",
929 sc->debug.stats.rxstats.phy_err);
930 len += snprintf(buf + len, size - len,
931 "%18s : %10u\n", "MIC ERR",
932 sc->debug.stats.rxstats.mic_err);
933 len += snprintf(buf + len, size - len,
934 "%18s : %10u\n", "PRE-DELIM CRC ERR",
935 sc->debug.stats.rxstats.pre_delim_crc_err);
936 len += snprintf(buf + len, size - len,
937 "%18s : %10u\n", "POST-DELIM CRC ERR",
938 sc->debug.stats.rxstats.post_delim_crc_err);
939 len += snprintf(buf + len, size - len,
940 "%18s : %10u\n", "DECRYPT BUSY ERR",
941 sc->debug.stats.rxstats.decrypt_busy_err);
942
943 len += snprintf(buf + len, size - len,
944 "%18s : %10d\n", "RSSI-CTL0",
945 sc->debug.stats.rxstats.rs_rssi_ctl0);
946
947 len += snprintf(buf + len, size - len,
948 "%18s : %10d\n", "RSSI-CTL1",
949 sc->debug.stats.rxstats.rs_rssi_ctl1);
950
951 len += snprintf(buf + len, size - len,
952 "%18s : %10d\n", "RSSI-CTL2",
953 sc->debug.stats.rxstats.rs_rssi_ctl2);
954
955 len += snprintf(buf + len, size - len,
956 "%18s : %10d\n", "RSSI-EXT0",
957 sc->debug.stats.rxstats.rs_rssi_ext0);
958
959 len += snprintf(buf + len, size - len,
960 "%18s : %10d\n", "RSSI-EXT1",
961 sc->debug.stats.rxstats.rs_rssi_ext1);
962
963 len += snprintf(buf + len, size - len,
964 "%18s : %10d\n", "RSSI-EXT2",
965 sc->debug.stats.rxstats.rs_rssi_ext2);
966
967 len += snprintf(buf + len, size - len,
968 "%18s : %10d\n", "Rx Antenna",
969 sc->debug.stats.rxstats.rs_antenna);
970
971 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
972 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
973 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
974 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
975 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
976 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
977 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
978 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
979 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
980 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
981 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
982 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
983 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
984 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
985 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
986 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
987 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
988 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
989 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
990 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
991 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
992 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
993 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
994 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
995 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
996 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
997
998 len += snprintf(buf + len, size - len,
999 "%18s : %10u\n", "RX-Pkts-All",
1000 sc->debug.stats.rxstats.rx_pkts_all);
1001 len += snprintf(buf + len, size - len,
1002 "%18s : %10u\n", "RX-Bytes-All",
1003 sc->debug.stats.rxstats.rx_bytes_all);
1004
1005 if (len > size)
1006 len = size;
1007
1008 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1009 kfree(buf);
1010
1011 return retval;
1012
1013 #undef PHY_ERR
1014 }
1015
1016 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1017 {
1018 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1019 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1020 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1021 [sc->debug.rsidx].c)
1022
1023 u32 phyerr;
1024
1025 RX_STAT_INC(rx_pkts_all);
1026 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1027
1028 if (rs->rs_status & ATH9K_RXERR_CRC)
1029 RX_STAT_INC(crc_err);
1030 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1031 RX_STAT_INC(decrypt_crc_err);
1032 if (rs->rs_status & ATH9K_RXERR_MIC)
1033 RX_STAT_INC(mic_err);
1034 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1035 RX_STAT_INC(pre_delim_crc_err);
1036 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1037 RX_STAT_INC(post_delim_crc_err);
1038 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1039 RX_STAT_INC(decrypt_busy_err);
1040
1041 if (rs->rs_status & ATH9K_RXERR_PHY) {
1042 RX_STAT_INC(phy_err);
1043 phyerr = rs->rs_phyerr & 0x24;
1044 RX_PHY_ERR_INC(phyerr);
1045 }
1046
1047 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1048 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1049 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1050
1051 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1052 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1053 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1054
1055 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1056
1057 spin_lock(&sc->debug.samp_lock);
1058 RX_SAMP_DBG(jiffies) = jiffies;
1059 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1060 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1061 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1062 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1063 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1064 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1065 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1066 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1067 RX_SAMP_DBG(rate) = rs->rs_rate;
1068 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1069
1070 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1071 spin_unlock(&sc->debug.samp_lock);
1072
1073 #undef RX_STAT_INC
1074 #undef RX_PHY_ERR_INC
1075 #undef RX_SAMP_DBG
1076 }
1077
1078 static const struct file_operations fops_recv = {
1079 .read = read_file_recv,
1080 .open = ath9k_debugfs_open,
1081 .owner = THIS_MODULE,
1082 .llseek = default_llseek,
1083 };
1084
1085 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1086 size_t count, loff_t *ppos)
1087 {
1088 struct ath_softc *sc = file->private_data;
1089 char buf[32];
1090 unsigned int len;
1091
1092 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1093 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1094 }
1095
1096 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1097 size_t count, loff_t *ppos)
1098 {
1099 struct ath_softc *sc = file->private_data;
1100 unsigned long regidx;
1101 char buf[32];
1102 ssize_t len;
1103
1104 len = min(count, sizeof(buf) - 1);
1105 if (copy_from_user(buf, user_buf, len))
1106 return -EFAULT;
1107
1108 buf[len] = '\0';
1109 if (strict_strtoul(buf, 0, &regidx))
1110 return -EINVAL;
1111
1112 sc->debug.regidx = regidx;
1113 return count;
1114 }
1115
1116 static const struct file_operations fops_regidx = {
1117 .read = read_file_regidx,
1118 .write = write_file_regidx,
1119 .open = ath9k_debugfs_open,
1120 .owner = THIS_MODULE,
1121 .llseek = default_llseek,
1122 };
1123
1124 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1125 size_t count, loff_t *ppos)
1126 {
1127 struct ath_softc *sc = file->private_data;
1128 struct ath_hw *ah = sc->sc_ah;
1129 char buf[32];
1130 unsigned int len;
1131 u32 regval;
1132
1133 ath9k_ps_wakeup(sc);
1134 regval = REG_READ_D(ah, sc->debug.regidx);
1135 ath9k_ps_restore(sc);
1136 len = sprintf(buf, "0x%08x\n", regval);
1137 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1138 }
1139
1140 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1141 size_t count, loff_t *ppos)
1142 {
1143 struct ath_softc *sc = file->private_data;
1144 struct ath_hw *ah = sc->sc_ah;
1145 unsigned long regval;
1146 char buf[32];
1147 ssize_t len;
1148
1149 len = min(count, sizeof(buf) - 1);
1150 if (copy_from_user(buf, user_buf, len))
1151 return -EFAULT;
1152
1153 buf[len] = '\0';
1154 if (strict_strtoul(buf, 0, &regval))
1155 return -EINVAL;
1156
1157 ath9k_ps_wakeup(sc);
1158 REG_WRITE_D(ah, sc->debug.regidx, regval);
1159 ath9k_ps_restore(sc);
1160 return count;
1161 }
1162
1163 static const struct file_operations fops_regval = {
1164 .read = read_file_regval,
1165 .write = write_file_regval,
1166 .open = ath9k_debugfs_open,
1167 .owner = THIS_MODULE,
1168 .llseek = default_llseek,
1169 };
1170
1171 #define REGDUMP_LINE_SIZE 20
1172
1173 static int open_file_regdump(struct inode *inode, struct file *file)
1174 {
1175 struct ath_softc *sc = inode->i_private;
1176 unsigned int len = 0;
1177 u8 *buf;
1178 int i;
1179 unsigned long num_regs, regdump_len, max_reg_offset;
1180
1181 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1182 num_regs = max_reg_offset / 4 + 1;
1183 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1184 buf = vmalloc(regdump_len);
1185 if (!buf)
1186 return -ENOMEM;
1187
1188 ath9k_ps_wakeup(sc);
1189 for (i = 0; i < num_regs; i++)
1190 len += scnprintf(buf + len, regdump_len - len,
1191 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1192 ath9k_ps_restore(sc);
1193
1194 file->private_data = buf;
1195
1196 return 0;
1197 }
1198
1199 static const struct file_operations fops_regdump = {
1200 .open = open_file_regdump,
1201 .read = ath9k_debugfs_read_buf,
1202 .release = ath9k_debugfs_release_buf,
1203 .owner = THIS_MODULE,
1204 .llseek = default_llseek,/* read accesses f_pos */
1205 };
1206
1207 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1208 size_t count, loff_t *ppos)
1209 {
1210 struct ath_softc *sc = file->private_data;
1211 struct ath_hw *ah = sc->sc_ah;
1212 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1213 struct ath_common *common = ath9k_hw_common(ah);
1214 struct ieee80211_conf *conf = &common->hw->conf;
1215 u32 len = 0, size = 1500;
1216 u32 i, j;
1217 ssize_t retval = 0;
1218 char *buf;
1219 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1220 u8 nread;
1221
1222 buf = kzalloc(size, GFP_KERNEL);
1223 if (!buf)
1224 return -ENOMEM;
1225
1226 len += snprintf(buf + len, size - len,
1227 "Channel Noise Floor : %d\n", ah->noise);
1228 len += snprintf(buf + len, size - len,
1229 "Chain | privNF | # Readings | NF Readings\n");
1230 for (i = 0; i < NUM_NF_READINGS; i++) {
1231 if (!(chainmask & (1 << i)) ||
1232 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1233 continue;
1234
1235 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1236 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1237 i, h[i].privNF, nread);
1238 for (j = 0; j < nread; j++)
1239 len += snprintf(buf + len, size - len,
1240 " %d", h[i].nfCalBuffer[j]);
1241 len += snprintf(buf + len, size - len, "\n");
1242 }
1243
1244 if (len > size)
1245 len = size;
1246
1247 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1248 kfree(buf);
1249
1250 return retval;
1251 }
1252
1253 static const struct file_operations fops_dump_nfcal = {
1254 .read = read_file_dump_nfcal,
1255 .open = ath9k_debugfs_open,
1256 .owner = THIS_MODULE,
1257 .llseek = default_llseek,
1258 };
1259
1260 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1261 size_t count, loff_t *ppos)
1262 {
1263 struct ath_softc *sc = file->private_data;
1264 struct ath_hw *ah = sc->sc_ah;
1265 u32 len = 0, size = 1500;
1266 ssize_t retval = 0;
1267 char *buf;
1268
1269 buf = kzalloc(size, GFP_KERNEL);
1270 if (!buf)
1271 return -ENOMEM;
1272
1273 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1274
1275 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1276 kfree(buf);
1277
1278 return retval;
1279 }
1280
1281 static const struct file_operations fops_base_eeprom = {
1282 .read = read_file_base_eeprom,
1283 .open = ath9k_debugfs_open,
1284 .owner = THIS_MODULE,
1285 .llseek = default_llseek,
1286 };
1287
1288 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1289 size_t count, loff_t *ppos)
1290 {
1291 struct ath_softc *sc = file->private_data;
1292 struct ath_hw *ah = sc->sc_ah;
1293 u32 len = 0, size = 6000;
1294 char *buf;
1295 size_t retval;
1296
1297 buf = kzalloc(size, GFP_KERNEL);
1298 if (buf == NULL)
1299 return -ENOMEM;
1300
1301 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1302
1303 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1304 kfree(buf);
1305
1306 return retval;
1307 }
1308
1309 static const struct file_operations fops_modal_eeprom = {
1310 .read = read_file_modal_eeprom,
1311 .open = ath9k_debugfs_open,
1312 .owner = THIS_MODULE,
1313 .llseek = default_llseek,
1314 };
1315
1316 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1317 {
1318 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1319 struct ath_hw *ah = sc->sc_ah;
1320 struct ath_common *common = ath9k_hw_common(ah);
1321 unsigned long flags;
1322 int i;
1323
1324 ath9k_ps_wakeup(sc);
1325
1326 spin_lock_irqsave(&common->cc_lock, flags);
1327 ath_hw_cycle_counters_update(common);
1328 spin_unlock_irqrestore(&common->cc_lock, flags);
1329
1330 spin_lock_bh(&sc->debug.samp_lock);
1331
1332 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1333 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1334 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1335 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1336 ATH_SAMP_DBG(noise) = ah->noise;
1337
1338 REG_WRITE_D(ah, AR_MACMISC,
1339 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1340 (AR_MACMISC_MISC_OBS_BUS_1 <<
1341 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1342
1343 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1344 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1345 AR_DMADBG_0 + (i * sizeof(u32)));
1346
1347 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1348 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1349
1350 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1351 sizeof(ATH_SAMP_DBG(nfCalHist)));
1352
1353 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1354 spin_unlock_bh(&sc->debug.samp_lock);
1355 ath9k_ps_restore(sc);
1356
1357 #undef ATH_SAMP_DBG
1358 }
1359
1360 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1361 {
1362 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1363 struct ath_softc *sc = inode->i_private;
1364 struct ath_hw *ah = sc->sc_ah;
1365 struct ath_common *common = ath9k_hw_common(ah);
1366 struct ieee80211_conf *conf = &common->hw->conf;
1367 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1368 struct ath9k_nfcal_hist *h;
1369 int i, j, qcuOffset = 0, dcuOffset = 0;
1370 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1371 u32 sampidx = 0;
1372 u8 *buf;
1373 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1374 u8 nread;
1375
1376 buf = vmalloc(size);
1377 if (!buf)
1378 return -ENOMEM;
1379 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1380 if (!bb_mac_samp) {
1381 vfree(buf);
1382 return -ENOMEM;
1383 }
1384
1385 spin_lock_bh(&sc->debug.samp_lock);
1386 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1387 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1388 spin_unlock_bh(&sc->debug.samp_lock);
1389
1390 len += snprintf(buf + len, size - len,
1391 "Raw DMA Debug Dump:\n");
1392 len += snprintf(buf + len, size - len, "Sample |\t");
1393 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1394 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1395 len += snprintf(buf + len, size - len, "\n");
1396
1397 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1398 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1399
1400 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1401 len += snprintf(buf + len, size - len, " %08x\t",
1402 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1403 len += snprintf(buf + len, size - len, "\n");
1404 }
1405 len += snprintf(buf + len, size - len, "\n");
1406
1407 len += snprintf(buf + len, size - len,
1408 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1409 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1410 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1411 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1412
1413 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1414 qcuOffset += 4, dcuOffset += 5) {
1415 if (i == 8) {
1416 qcuOffset = 0;
1417 qcuBase++;
1418 }
1419
1420 if (i == 6) {
1421 dcuOffset = 0;
1422 dcuBase++;
1423 }
1424 if (!sc->debug.stats.txstats[i].queued)
1425 continue;
1426
1427 len += snprintf(buf + len, size - len,
1428 "%4d %7d %2x %1x %2x %2x\n",
1429 sampidx, i,
1430 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1431 (*qcuBase & (0x8 << qcuOffset)) >>
1432 (qcuOffset + 3),
1433 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1434 (0x7 << (i * 3)) >> (i * 3),
1435 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1436 }
1437 len += snprintf(buf + len, size - len, "\n");
1438 }
1439 len += snprintf(buf + len, size - len,
1440 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1441 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1442 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1443
1444 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1445 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1446 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1447
1448 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1449 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1450 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1451 len += snprintf(buf + len, size - len, "%7x %8x ",
1452 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1453 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1454 len += snprintf(buf + len, size - len, "%7x %7x ",
1455 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1456 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1457 len += snprintf(buf + len, size - len, "%7d %12d ",
1458 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1459 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1460 len += snprintf(buf + len, size - len, "%12d %12d ",
1461 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1462 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1463 len += snprintf(buf + len, size - len, "%12d %12d ",
1464 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1465 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1466 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1467 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1468 }
1469
1470 len += snprintf(buf + len, size - len,
1471 "Sample ChNoise Chain privNF #Reading Readings\n");
1472 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1473 h = ATH_SAMP_DBG(nfCalHist);
1474 if (!ATH_SAMP_DBG(noise))
1475 continue;
1476
1477 for (i = 0; i < NUM_NF_READINGS; i++) {
1478 if (!(chainmask & (1 << i)) ||
1479 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1480 continue;
1481
1482 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1483 h[i].invalidNFcount;
1484 len += snprintf(buf + len, size - len,
1485 "%4d %5d %4d\t %d\t %d\t",
1486 sampidx, ATH_SAMP_DBG(noise),
1487 i, h[i].privNF, nread);
1488 for (j = 0; j < nread; j++)
1489 len += snprintf(buf + len, size - len,
1490 " %d", h[i].nfCalBuffer[j]);
1491 len += snprintf(buf + len, size - len, "\n");
1492 }
1493 }
1494 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1495 "Sample Total Rxbusy Rxframes Txframes\n");
1496 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1497 if (!ATH_SAMP_DBG(cc.cycles))
1498 continue;
1499 len += snprintf(buf + len, size - len,
1500 "%4d %08x %08x %08x %08x\n",
1501 sampidx, ATH_SAMP_DBG(cc.cycles),
1502 ATH_SAMP_DBG(cc.rx_busy),
1503 ATH_SAMP_DBG(cc.rx_frame),
1504 ATH_SAMP_DBG(cc.tx_frame));
1505 }
1506
1507 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1508 len += snprintf(buf + len, size - len,
1509 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1510 "isok rts_fail data_fail rate tid qid tx_before(ms)\n");
1511 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1512 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1513 if (!ATH_SAMP_DBG(ts[i].jiffies))
1514 continue;
1515 len += snprintf(buf + len, size - len, "%4d \t"
1516 "%8d %4d %4d %4d %4d %4d %4d %4d %4d "
1517 "%4d %4d %2d %2d %d\n",
1518 sampidx,
1519 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1520 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1521 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1522 ATH_SAMP_DBG(ts[i].rssi_ext0),
1523 ATH_SAMP_DBG(ts[i].rssi_ext1),
1524 ATH_SAMP_DBG(ts[i].rssi_ext2),
1525 ATH_SAMP_DBG(ts[i].rssi),
1526 ATH_SAMP_DBG(ts[i].isok),
1527 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1528 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1529 ATH_SAMP_DBG(ts[i].rateindex),
1530 ATH_SAMP_DBG(ts[i].tid),
1531 ATH_SAMP_DBG(ts[i].qid),
1532 jiffies_to_msecs(jiffies -
1533 ATH_SAMP_DBG(ts[i].jiffies)));
1534 }
1535 }
1536
1537 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1538 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1539 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1540 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1541 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1542 if (!ATH_SAMP_DBG(rs[i].jiffies))
1543 continue;
1544 len += snprintf(buf + len, size - len, "%4d \t"
1545 "%8d %4d %4d %4d %4d %4d %4d %s %4d %02x %d\n",
1546 sampidx,
1547 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1548 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1549 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1550 ATH_SAMP_DBG(rs[i].rssi_ext0),
1551 ATH_SAMP_DBG(rs[i].rssi_ext1),
1552 ATH_SAMP_DBG(rs[i].rssi_ext2),
1553 ATH_SAMP_DBG(rs[i].rssi),
1554 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1555 "True" : "False",
1556 ATH_SAMP_DBG(rs[i].antenna),
1557 ATH_SAMP_DBG(rs[i].rate),
1558 jiffies_to_msecs(jiffies -
1559 ATH_SAMP_DBG(rs[i].jiffies)));
1560 }
1561 }
1562
1563 vfree(bb_mac_samp);
1564 file->private_data = buf;
1565
1566 return 0;
1567 #undef ATH_SAMP_DBG
1568 }
1569
1570 static const struct file_operations fops_samps = {
1571 .open = open_file_bb_mac_samps,
1572 .read = ath9k_debugfs_read_buf,
1573 .release = ath9k_debugfs_release_buf,
1574 .owner = THIS_MODULE,
1575 .llseek = default_llseek,
1576 };
1577
1578
1579 int ath9k_init_debug(struct ath_hw *ah)
1580 {
1581 struct ath_common *common = ath9k_hw_common(ah);
1582 struct ath_softc *sc = (struct ath_softc *) common->priv;
1583
1584 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1585 sc->hw->wiphy->debugfsdir);
1586 if (!sc->debug.debugfs_phy)
1587 return -ENOMEM;
1588
1589 #ifdef CONFIG_ATH_DEBUG
1590 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1591 sc, &fops_debug);
1592 #endif
1593 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1594 &fops_dma);
1595 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1596 &fops_interrupt);
1597 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1598 sc, &fops_wiphy);
1599 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1600 &fops_xmit);
1601 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1602 &fops_stations);
1603 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1604 &fops_misc);
1605 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1606 &fops_recv);
1607 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1608 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1609 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1610 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1611 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1612 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1613 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1614 sc, &fops_regidx);
1615 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1616 sc, &fops_regval);
1617 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1618 sc->debug.debugfs_phy,
1619 &ah->config.cwm_ignore_extcca);
1620 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1621 &fops_regdump);
1622 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1623 &fops_dump_nfcal);
1624 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1625 &fops_base_eeprom);
1626 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1627 &fops_modal_eeprom);
1628 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1629 &fops_samps);
1630
1631 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1632 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1633
1634 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1635 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1636
1637 sc->debug.regidx = 0;
1638 memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1639 sc->debug.sampidx = 0;
1640 sc->debug.tsidx = 0;
1641 sc->debug.rsidx = 0;
1642 return 0;
1643 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree