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ath9k: Add an option for station statistics
[linux-2.6/btrfs-unstable.git] / drivers / net / wireless / ath / ath9k / debug.c
blob5bdc938ec5edb94f099617208760b9e834c1c6d0
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 <linux/export.h>
20 #include <asm/unaligned.h>
21
22 #include "ath9k.h"
23
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))
28
29 void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
30 {
31 if (sync_cause)
32 sc->debug.stats.istats.sync_cause_all++;
33 if (sync_cause & AR_INTR_SYNC_RTC_IRQ)
34 sc->debug.stats.istats.sync_rtc_irq++;
35 if (sync_cause & AR_INTR_SYNC_MAC_IRQ)
36 sc->debug.stats.istats.sync_mac_irq++;
37 if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS)
38 sc->debug.stats.istats.eeprom_illegal_access++;
39 if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT)
40 sc->debug.stats.istats.apb_timeout++;
41 if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT)
42 sc->debug.stats.istats.pci_mode_conflict++;
43 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL)
44 sc->debug.stats.istats.host1_fatal++;
45 if (sync_cause & AR_INTR_SYNC_HOST1_PERR)
46 sc->debug.stats.istats.host1_perr++;
47 if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR)
48 sc->debug.stats.istats.trcv_fifo_perr++;
49 if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP)
50 sc->debug.stats.istats.radm_cpl_ep++;
51 if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT)
52 sc->debug.stats.istats.radm_cpl_dllp_abort++;
53 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT)
54 sc->debug.stats.istats.radm_cpl_tlp_abort++;
55 if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR)
56 sc->debug.stats.istats.radm_cpl_ecrc_err++;
57 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT)
58 sc->debug.stats.istats.radm_cpl_timeout++;
59 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)
60 sc->debug.stats.istats.local_timeout++;
61 if (sync_cause & AR_INTR_SYNC_PM_ACCESS)
62 sc->debug.stats.istats.pm_access++;
63 if (sync_cause & AR_INTR_SYNC_MAC_AWAKE)
64 sc->debug.stats.istats.mac_awake++;
65 if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP)
66 sc->debug.stats.istats.mac_asleep++;
67 if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS)
68 sc->debug.stats.istats.mac_sleep_access++;
69 }
70
71 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
72 size_t count, loff_t *ppos)
73 {
74 u8 *buf = file->private_data;
75 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
76 }
77
78 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
79 {
80 vfree(file->private_data);
81 return 0;
82 }
83
84 #ifdef CONFIG_ATH_DEBUG
85
86 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
87 size_t count, loff_t *ppos)
88 {
89 struct ath_softc *sc = file->private_data;
90 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
91 char buf[32];
92 unsigned int len;
93
94 len = sprintf(buf, "0x%08x\n", common->debug_mask);
95 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
96 }
97
98 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
99 size_t count, loff_t *ppos)
100 {
101 struct ath_softc *sc = file->private_data;
102 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
103 unsigned long mask;
104 char buf[32];
105 ssize_t len;
106
107 len = min(count, sizeof(buf) - 1);
108 if (copy_from_user(buf, user_buf, len))
109 return -EFAULT;
110
111 buf[len] = '\0';
112 if (kstrtoul(buf, 0, &mask))
113 return -EINVAL;
114
115 common->debug_mask = mask;
116 return count;
117 }
118
119 static const struct file_operations fops_debug = {
120 .read = read_file_debug,
121 .write = write_file_debug,
122 .open = simple_open,
123 .owner = THIS_MODULE,
124 .llseek = default_llseek,
125 };
126
127 #endif
128
129 #define DMA_BUF_LEN 1024
130
131
132 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
133 size_t count, loff_t *ppos)
134 {
135 struct ath_softc *sc = file->private_data;
136 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
137 struct ath_hw *ah = sc->sc_ah;
138 unsigned int len = 0, size = 1024;
139 ssize_t retval = 0;
140 char *buf;
141
142 buf = kzalloc(size, GFP_KERNEL);
143 if (buf == NULL)
144 return -ENOMEM;
145
146 if (common->disable_ani) {
147 len += scnprintf(buf + len, size - len, "%s: %s\n",
148 "ANI", "DISABLED");
149 goto exit;
150 }
151
152 len += scnprintf(buf + len, size - len, "%15s: %s\n",
153 "ANI", "ENABLED");
154 len += scnprintf(buf + len, size - len, "%15s: %u\n",
155 "ANI RESET", ah->stats.ast_ani_reset);
156 len += scnprintf(buf + len, size - len, "%15s: %u\n",
157 "SPUR UP", ah->stats.ast_ani_spurup);
158 len += scnprintf(buf + len, size - len, "%15s: %u\n",
159 "SPUR DOWN", ah->stats.ast_ani_spurup);
160 len += scnprintf(buf + len, size - len, "%15s: %u\n",
161 "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
162 len += scnprintf(buf + len, size - len, "%15s: %u\n",
163 "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
164 len += scnprintf(buf + len, size - len, "%15s: %u\n",
165 "MRC-CCK ON", ah->stats.ast_ani_ccklow);
166 len += scnprintf(buf + len, size - len, "%15s: %u\n",
167 "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
168 len += scnprintf(buf + len, size - len, "%15s: %u\n",
169 "FIR-STEP UP", ah->stats.ast_ani_stepup);
170 len += scnprintf(buf + len, size - len, "%15s: %u\n",
171 "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
172 len += scnprintf(buf + len, size - len, "%15s: %u\n",
173 "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
174 len += scnprintf(buf + len, size - len, "%15s: %u\n",
175 "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
176 len += scnprintf(buf + len, size - len, "%15s: %u\n",
177 "CCK ERRORS", ah->stats.ast_ani_cckerrs);
178 exit:
179 if (len > size)
180 len = size;
181
182 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
183 kfree(buf);
184
185 return retval;
186 }
187
188 static ssize_t write_file_ani(struct file *file,
189 const char __user *user_buf,
190 size_t count, loff_t *ppos)
191 {
192 struct ath_softc *sc = file->private_data;
193 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
194 unsigned long ani;
195 char buf[32];
196 ssize_t len;
197
198 len = min(count, sizeof(buf) - 1);
199 if (copy_from_user(buf, user_buf, len))
200 return -EFAULT;
201
202 buf[len] = '\0';
203 if (kstrtoul(buf, 0, &ani))
204 return -EINVAL;
205
206 if (ani < 0 || ani > 1)
207 return -EINVAL;
208
209 common->disable_ani = !ani;
210
211 if (common->disable_ani) {
212 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
213 ath_stop_ani(sc);
214 } else {
215 ath_check_ani(sc);
216 }
217
218 return count;
219 }
220
221 static const struct file_operations fops_ani = {
222 .read = read_file_ani,
223 .write = write_file_ani,
224 .open = simple_open,
225 .owner = THIS_MODULE,
226 .llseek = default_llseek,
227 };
228
229 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
230
231 static ssize_t read_file_bt_ant_diversity(struct file *file,
232 char __user *user_buf,
233 size_t count, loff_t *ppos)
234 {
235 struct ath_softc *sc = file->private_data;
236 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
237 char buf[32];
238 unsigned int len;
239
240 len = sprintf(buf, "%d\n", common->bt_ant_diversity);
241 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
242 }
243
244 static ssize_t write_file_bt_ant_diversity(struct file *file,
245 const char __user *user_buf,
246 size_t count, loff_t *ppos)
247 {
248 struct ath_softc *sc = file->private_data;
249 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
250 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
251 unsigned long bt_ant_diversity;
252 char buf[32];
253 ssize_t len;
254
255 len = min(count, sizeof(buf) - 1);
256 if (copy_from_user(buf, user_buf, len))
257 return -EFAULT;
258
259 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
260 goto exit;
261
262 buf[len] = '\0';
263 if (kstrtoul(buf, 0, &bt_ant_diversity))
264 return -EINVAL;
265
266 common->bt_ant_diversity = !!bt_ant_diversity;
267 ath9k_ps_wakeup(sc);
268 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
269 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
270 common->bt_ant_diversity);
271 ath9k_ps_restore(sc);
272 exit:
273 return count;
274 }
275
276 static const struct file_operations fops_bt_ant_diversity = {
277 .read = read_file_bt_ant_diversity,
278 .write = write_file_bt_ant_diversity,
279 .open = simple_open,
280 .owner = THIS_MODULE,
281 .llseek = default_llseek,
282 };
283
284 #endif
285
286 void ath9k_debug_stat_ant(struct ath_softc *sc,
287 struct ath_hw_antcomb_conf *div_ant_conf,
288 int main_rssi_avg, int alt_rssi_avg)
289 {
290 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
291 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
292
293 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
294 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
295
296 as_main->rssi_avg = main_rssi_avg;
297 as_alt->rssi_avg = alt_rssi_avg;
298 }
299
300 static ssize_t read_file_antenna_diversity(struct file *file,
301 char __user *user_buf,
302 size_t count, loff_t *ppos)
303 {
304 struct ath_softc *sc = file->private_data;
305 struct ath_hw *ah = sc->sc_ah;
306 struct ath9k_hw_capabilities *pCap = &ah->caps;
307 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
308 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
309 struct ath_hw_antcomb_conf div_ant_conf;
310 unsigned int len = 0, size = 1024;
311 ssize_t retval = 0;
312 char *buf;
313 char *lna_conf_str[4] = {"LNA1_MINUS_LNA2",
314 "LNA2",
315 "LNA1",
316 "LNA1_PLUS_LNA2"};
317
318 buf = kzalloc(size, GFP_KERNEL);
319 if (buf == NULL)
320 return -ENOMEM;
321
322 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
323 len += scnprintf(buf + len, size - len, "%s\n",
324 "Antenna Diversity Combining is disabled");
325 goto exit;
326 }
327
328 ath9k_ps_wakeup(sc);
329 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
330 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
331 lna_conf_str[div_ant_conf.main_lna_conf]);
332 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",
333 lna_conf_str[div_ant_conf.alt_lna_conf]);
334 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
335 as_main->rssi_avg);
336 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
337 as_alt->rssi_avg);
338 ath9k_ps_restore(sc);
339
340 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
341 len += scnprintf(buf + len, size - len, "-------------------\n");
342
343 len += scnprintf(buf + len, size - len, "%30s%15s\n",
344 "MAIN", "ALT");
345 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
346 "TOTAL COUNT",
347 as_main->recv_cnt,
348 as_alt->recv_cnt);
349 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
350 "LNA1",
351 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
352 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
353 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
354 "LNA2",
355 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
356 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
357 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
358 "LNA1 + LNA2",
359 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
360 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
361 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
362 "LNA1 - LNA2",
363 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
364 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
365
366 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
367 len += scnprintf(buf + len, size - len, "--------------------\n");
368
369 len += scnprintf(buf + len, size - len, "%30s%15s\n",
370 "MAIN", "ALT");
371 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
372 "LNA1",
373 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
374 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
375 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
376 "LNA2",
377 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
378 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
379 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
380 "LNA1 + LNA2",
381 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
382 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
383 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
384 "LNA1 - LNA2",
385 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
386 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
387
388 exit:
389 if (len > size)
390 len = size;
391
392 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
393 kfree(buf);
394
395 return retval;
396 }
397
398 static const struct file_operations fops_antenna_diversity = {
399 .read = read_file_antenna_diversity,
400 .open = simple_open,
401 .owner = THIS_MODULE,
402 .llseek = default_llseek,
403 };
404
405 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
406 size_t count, loff_t *ppos)
407 {
408 struct ath_softc *sc = file->private_data;
409 struct ath_hw *ah = sc->sc_ah;
410 char *buf;
411 int retval;
412 unsigned int len = 0;
413 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
414 int i, qcuOffset = 0, dcuOffset = 0;
415 u32 *qcuBase = &val[0], *dcuBase = &val[4];
416
417 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
418 if (!buf)
419 return -ENOMEM;
420
421 ath9k_ps_wakeup(sc);
422
423 REG_WRITE_D(ah, AR_MACMISC,
424 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
425 (AR_MACMISC_MISC_OBS_BUS_1 <<
426 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
427
428 len += scnprintf(buf + len, DMA_BUF_LEN - len,
429 "Raw DMA Debug values:\n");
430
431 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
432 if (i % 4 == 0)
433 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
434
435 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
436 len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
437 i, val[i]);
438 }
439
440 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
441 len += scnprintf(buf + len, DMA_BUF_LEN - len,
442 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
443
444 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
445 if (i == 8) {
446 qcuOffset = 0;
447 qcuBase++;
448 }
449
450 if (i == 6) {
451 dcuOffset = 0;
452 dcuBase++;
453 }
454
455 len += scnprintf(buf + len, DMA_BUF_LEN - len,
456 "%2d %2x %1x %2x %2x\n",
457 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
458 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
459 val[2] & (0x7 << (i * 3)) >> (i * 3),
460 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
461 }
462
463 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
464
465 len += scnprintf(buf + len, DMA_BUF_LEN - len,
466 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
467 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
468 len += scnprintf(buf + len, DMA_BUF_LEN - len,
469 "qcu_complete state: %2x dcu_complete state: %2x\n",
470 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
471 len += scnprintf(buf + len, DMA_BUF_LEN - len,
472 "dcu_arb state: %2x dcu_fp state: %2x\n",
473 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
474 len += scnprintf(buf + len, DMA_BUF_LEN - len,
475 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
476 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
477 len += scnprintf(buf + len, DMA_BUF_LEN - len,
478 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
479 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
480 len += scnprintf(buf + len, DMA_BUF_LEN - len,
481 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
482 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
483
484 len += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
485 REG_READ_D(ah, AR_OBS_BUS_1));
486 len += scnprintf(buf + len, DMA_BUF_LEN - len,
487 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
488
489 ath9k_ps_restore(sc);
490
491 if (len > DMA_BUF_LEN)
492 len = DMA_BUF_LEN;
493
494 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
495 kfree(buf);
496 return retval;
497 }
498
499 static const struct file_operations fops_dma = {
500 .read = read_file_dma,
501 .open = simple_open,
502 .owner = THIS_MODULE,
503 .llseek = default_llseek,
504 };
505
506
507 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
508 {
509 if (status)
510 sc->debug.stats.istats.total++;
511 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
512 if (status & ATH9K_INT_RXLP)
513 sc->debug.stats.istats.rxlp++;
514 if (status & ATH9K_INT_RXHP)
515 sc->debug.stats.istats.rxhp++;
516 if (status & ATH9K_INT_BB_WATCHDOG)
517 sc->debug.stats.istats.bb_watchdog++;
518 } else {
519 if (status & ATH9K_INT_RX)
520 sc->debug.stats.istats.rxok++;
521 }
522 if (status & ATH9K_INT_RXEOL)
523 sc->debug.stats.istats.rxeol++;
524 if (status & ATH9K_INT_RXORN)
525 sc->debug.stats.istats.rxorn++;
526 if (status & ATH9K_INT_TX)
527 sc->debug.stats.istats.txok++;
528 if (status & ATH9K_INT_TXURN)
529 sc->debug.stats.istats.txurn++;
530 if (status & ATH9K_INT_RXPHY)
531 sc->debug.stats.istats.rxphyerr++;
532 if (status & ATH9K_INT_RXKCM)
533 sc->debug.stats.istats.rx_keycache_miss++;
534 if (status & ATH9K_INT_SWBA)
535 sc->debug.stats.istats.swba++;
536 if (status & ATH9K_INT_BMISS)
537 sc->debug.stats.istats.bmiss++;
538 if (status & ATH9K_INT_BNR)
539 sc->debug.stats.istats.bnr++;
540 if (status & ATH9K_INT_CST)
541 sc->debug.stats.istats.cst++;
542 if (status & ATH9K_INT_GTT)
543 sc->debug.stats.istats.gtt++;
544 if (status & ATH9K_INT_TIM)
545 sc->debug.stats.istats.tim++;
546 if (status & ATH9K_INT_CABEND)
547 sc->debug.stats.istats.cabend++;
548 if (status & ATH9K_INT_DTIMSYNC)
549 sc->debug.stats.istats.dtimsync++;
550 if (status & ATH9K_INT_DTIM)
551 sc->debug.stats.istats.dtim++;
552 if (status & ATH9K_INT_TSFOOR)
553 sc->debug.stats.istats.tsfoor++;
554 if (status & ATH9K_INT_MCI)
555 sc->debug.stats.istats.mci++;
556 if (status & ATH9K_INT_GENTIMER)
557 sc->debug.stats.istats.gen_timer++;
558 }
559
560 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
561 size_t count, loff_t *ppos)
562 {
563 struct ath_softc *sc = file->private_data;
564 unsigned int len = 0;
565 int rv;
566 int mxlen = 4000;
567 char *buf = kmalloc(mxlen, GFP_KERNEL);
568 if (!buf)
569 return -ENOMEM;
570
571 #define PR_IS(a, s) \
572 do { \
573 len += scnprintf(buf + len, mxlen - len, \
574 "%21s: %10u\n", a, \
575 sc->debug.stats.istats.s); \
576 } while (0)
577
578 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
579 PR_IS("RXLP", rxlp);
580 PR_IS("RXHP", rxhp);
581 PR_IS("WATHDOG", bb_watchdog);
582 } else {
583 PR_IS("RX", rxok);
584 }
585 PR_IS("RXEOL", rxeol);
586 PR_IS("RXORN", rxorn);
587 PR_IS("TX", txok);
588 PR_IS("TXURN", txurn);
589 PR_IS("MIB", mib);
590 PR_IS("RXPHY", rxphyerr);
591 PR_IS("RXKCM", rx_keycache_miss);
592 PR_IS("SWBA", swba);
593 PR_IS("BMISS", bmiss);
594 PR_IS("BNR", bnr);
595 PR_IS("CST", cst);
596 PR_IS("GTT", gtt);
597 PR_IS("TIM", tim);
598 PR_IS("CABEND", cabend);
599 PR_IS("DTIMSYNC", dtimsync);
600 PR_IS("DTIM", dtim);
601 PR_IS("TSFOOR", tsfoor);
602 PR_IS("MCI", mci);
603 PR_IS("GENTIMER", gen_timer);
604 PR_IS("TOTAL", total);
605
606 len += scnprintf(buf + len, mxlen - len,
607 "SYNC_CAUSE stats:\n");
608
609 PR_IS("Sync-All", sync_cause_all);
610 PR_IS("RTC-IRQ", sync_rtc_irq);
611 PR_IS("MAC-IRQ", sync_mac_irq);
612 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
613 PR_IS("APB-Timeout", apb_timeout);
614 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
615 PR_IS("HOST1-Fatal", host1_fatal);
616 PR_IS("HOST1-Perr", host1_perr);
617 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
618 PR_IS("RADM-CPL-EP", radm_cpl_ep);
619 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
620 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
621 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
622 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
623 PR_IS("Local-Bus-Timeout", local_timeout);
624 PR_IS("PM-Access", pm_access);
625 PR_IS("MAC-Awake", mac_awake);
626 PR_IS("MAC-Asleep", mac_asleep);
627 PR_IS("MAC-Sleep-Access", mac_sleep_access);
628
629 if (len > mxlen)
630 len = mxlen;
631
632 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
633 kfree(buf);
634 return rv;
635 }
636
637 static const struct file_operations fops_interrupt = {
638 .read = read_file_interrupt,
639 .open = simple_open,
640 .owner = THIS_MODULE,
641 .llseek = default_llseek,
642 };
643
644 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
645 size_t count, loff_t *ppos)
646 {
647 struct ath_softc *sc = file->private_data;
648 char *buf;
649 unsigned int len = 0, size = 2048;
650 ssize_t retval = 0;
651
652 buf = kzalloc(size, GFP_KERNEL);
653 if (buf == NULL)
654 return -ENOMEM;
655
656 len += sprintf(buf, "%30s %10s%10s%10s\n\n",
657 "BE", "BK", "VI", "VO");
658
659 PR("MPDUs Queued: ", queued);
660 PR("MPDUs Completed: ", completed);
661 PR("MPDUs XRetried: ", xretries);
662 PR("Aggregates: ", a_aggr);
663 PR("AMPDUs Queued HW:", a_queued_hw);
664 PR("AMPDUs Queued SW:", a_queued_sw);
665 PR("AMPDUs Completed:", a_completed);
666 PR("AMPDUs Retried: ", a_retries);
667 PR("AMPDUs XRetried: ", a_xretries);
668 PR("TXERR Filtered: ", txerr_filtered);
669 PR("FIFO Underrun: ", fifo_underrun);
670 PR("TXOP Exceeded: ", xtxop);
671 PR("TXTIMER Expiry: ", timer_exp);
672 PR("DESC CFG Error: ", desc_cfg_err);
673 PR("DATA Underrun: ", data_underrun);
674 PR("DELIM Underrun: ", delim_underrun);
675 PR("TX-Pkts-All: ", tx_pkts_all);
676 PR("TX-Bytes-All: ", tx_bytes_all);
677 PR("HW-put-tx-buf: ", puttxbuf);
678 PR("HW-tx-start: ", txstart);
679 PR("HW-tx-proc-desc: ", txprocdesc);
680 PR("TX-Failed: ", txfailed);
681
682 if (len > size)
683 len = size;
684
685 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
686 kfree(buf);
687
688 return retval;
689 }
690
691 static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
692 char *buf, ssize_t size)
693 {
694 ssize_t len = 0;
695
696 ath_txq_lock(sc, txq);
697
698 len += scnprintf(buf + len, size - len, "%s: %d ",
699 "qnum", txq->axq_qnum);
700 len += scnprintf(buf + len, size - len, "%s: %2d ",
701 "qdepth", txq->axq_depth);
702 len += scnprintf(buf + len, size - len, "%s: %2d ",
703 "ampdu-depth", txq->axq_ampdu_depth);
704 len += scnprintf(buf + len, size - len, "%s: %3d ",
705 "pending", txq->pending_frames);
706 len += scnprintf(buf + len, size - len, "%s: %d\n",
707 "stopped", txq->stopped);
708
709 ath_txq_unlock(sc, txq);
710 return len;
711 }
712
713 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
714 size_t count, loff_t *ppos)
715 {
716 struct ath_softc *sc = file->private_data;
717 struct ath_txq *txq;
718 char *buf;
719 unsigned int len = 0, size = 1024;
720 ssize_t retval = 0;
721 int i;
722 char *qname[4] = {"VO", "VI", "BE", "BK"};
723
724 buf = kzalloc(size, GFP_KERNEL);
725 if (buf == NULL)
726 return -ENOMEM;
727
728 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
729 txq = sc->tx.txq_map[i];
730 len += scnprintf(buf + len, size - len, "(%s): ", qname[i]);
731 len += print_queue(sc, txq, buf + len, size - len);
732 }
733
734 len += scnprintf(buf + len, size - len, "(CAB): ");
735 len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
736
737 if (len > size)
738 len = size;
739
740 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
741 kfree(buf);
742
743 return retval;
744 }
745
746 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
747 size_t count, loff_t *ppos)
748 {
749 struct ath_softc *sc = file->private_data;
750 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
751 struct ieee80211_hw *hw = sc->hw;
752 struct ath9k_vif_iter_data iter_data;
753 char buf[512];
754 unsigned int len = 0;
755 ssize_t retval = 0;
756 unsigned int reg;
757 u32 rxfilter;
758
759 len += scnprintf(buf + len, sizeof(buf) - len,
760 "BSSID: %pM\n", common->curbssid);
761 len += scnprintf(buf + len, sizeof(buf) - len,
762 "BSSID-MASK: %pM\n", common->bssidmask);
763 len += scnprintf(buf + len, sizeof(buf) - len,
764 "OPMODE: %s\n",
765 ath_opmode_to_string(sc->sc_ah->opmode));
766
767 ath9k_ps_wakeup(sc);
768 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
769 ath9k_ps_restore(sc);
770
771 len += scnprintf(buf + len, sizeof(buf) - len,
772 "RXFILTER: 0x%x", rxfilter);
773
774 if (rxfilter & ATH9K_RX_FILTER_UCAST)
775 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
776 if (rxfilter & ATH9K_RX_FILTER_MCAST)
777 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
778 if (rxfilter & ATH9K_RX_FILTER_BCAST)
779 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
780 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
781 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
782 if (rxfilter & ATH9K_RX_FILTER_BEACON)
783 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
784 if (rxfilter & ATH9K_RX_FILTER_PROM)
785 len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
786 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
787 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
788 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
789 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR");
790 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
791 len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON");
792 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
793 len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
794 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
795 len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL");
796 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
797 len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
798 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
799 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
800 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
801 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
802
803 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
804
805 reg = sc->sc_ah->imask;
806
807 len += scnprintf(buf + len, sizeof(buf) - len,
808 "INTERRUPT-MASK: 0x%x", reg);
809
810 if (reg & ATH9K_INT_SWBA)
811 len += scnprintf(buf + len, sizeof(buf) - len, " SWBA");
812 if (reg & ATH9K_INT_BMISS)
813 len += scnprintf(buf + len, sizeof(buf) - len, " BMISS");
814 if (reg & ATH9K_INT_CST)
815 len += scnprintf(buf + len, sizeof(buf) - len, " CST");
816 if (reg & ATH9K_INT_RX)
817 len += scnprintf(buf + len, sizeof(buf) - len, " RX");
818 if (reg & ATH9K_INT_RXHP)
819 len += scnprintf(buf + len, sizeof(buf) - len, " RXHP");
820 if (reg & ATH9K_INT_RXLP)
821 len += scnprintf(buf + len, sizeof(buf) - len, " RXLP");
822 if (reg & ATH9K_INT_BB_WATCHDOG)
823 len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
824
825 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
826
827 ath9k_calculate_iter_data(hw, NULL, &iter_data);
828
829 len += scnprintf(buf + len, sizeof(buf) - len,
830 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
831 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
832 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
833 iter_data.nwds, iter_data.nadhocs,
834 sc->nvifs, sc->nbcnvifs);
835
836 if (len > sizeof(buf))
837 len = sizeof(buf);
838
839 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
840 return retval;
841 }
842
843 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
844 size_t count, loff_t *ppos)
845 {
846 struct ath_softc *sc = file->private_data;
847 char buf[512];
848 unsigned int len = 0;
849
850 len += scnprintf(buf + len, sizeof(buf) - len,
851 "%17s: %2d\n", "Baseband Hang",
852 sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
853 len += scnprintf(buf + len, sizeof(buf) - len,
854 "%17s: %2d\n", "Baseband Watchdog",
855 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
856 len += scnprintf(buf + len, sizeof(buf) - len,
857 "%17s: %2d\n", "Fatal HW Error",
858 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
859 len += scnprintf(buf + len, sizeof(buf) - len,
860 "%17s: %2d\n", "TX HW error",
861 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
862 len += scnprintf(buf + len, sizeof(buf) - len,
863 "%17s: %2d\n", "TX Path Hang",
864 sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
865 len += scnprintf(buf + len, sizeof(buf) - len,
866 "%17s: %2d\n", "PLL RX Hang",
867 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
868 len += scnprintf(buf + len, sizeof(buf) - len,
869 "%17s: %2d\n", "MCI Reset",
870 sc->debug.stats.reset[RESET_TYPE_MCI]);
871
872 if (len > sizeof(buf))
873 len = sizeof(buf);
874
875 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
876 }
877
878 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
879 struct ath_tx_status *ts, struct ath_txq *txq,
880 unsigned int flags)
881 {
882 int qnum = txq->axq_qnum;
883
884 TX_STAT_INC(qnum, tx_pkts_all);
885 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
886
887 if (bf_isampdu(bf)) {
888 if (flags & ATH_TX_ERROR)
889 TX_STAT_INC(qnum, a_xretries);
890 else
891 TX_STAT_INC(qnum, a_completed);
892 } else {
893 if (ts->ts_status & ATH9K_TXERR_XRETRY)
894 TX_STAT_INC(qnum, xretries);
895 else
896 TX_STAT_INC(qnum, completed);
897 }
898
899 if (ts->ts_status & ATH9K_TXERR_FILT)
900 TX_STAT_INC(qnum, txerr_filtered);
901 if (ts->ts_status & ATH9K_TXERR_FIFO)
902 TX_STAT_INC(qnum, fifo_underrun);
903 if (ts->ts_status & ATH9K_TXERR_XTXOP)
904 TX_STAT_INC(qnum, xtxop);
905 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
906 TX_STAT_INC(qnum, timer_exp);
907 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
908 TX_STAT_INC(qnum, desc_cfg_err);
909 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
910 TX_STAT_INC(qnum, data_underrun);
911 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
912 TX_STAT_INC(qnum, delim_underrun);
913 }
914
915 static const struct file_operations fops_xmit = {
916 .read = read_file_xmit,
917 .open = simple_open,
918 .owner = THIS_MODULE,
919 .llseek = default_llseek,
920 };
921
922 static const struct file_operations fops_queues = {
923 .read = read_file_queues,
924 .open = simple_open,
925 .owner = THIS_MODULE,
926 .llseek = default_llseek,
927 };
928
929 static const struct file_operations fops_misc = {
930 .read = read_file_misc,
931 .open = simple_open,
932 .owner = THIS_MODULE,
933 .llseek = default_llseek,
934 };
935
936 static const struct file_operations fops_reset = {
937 .read = read_file_reset,
938 .open = simple_open,
939 .owner = THIS_MODULE,
940 .llseek = default_llseek,
941 };
942
943 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
944 size_t count, loff_t *ppos)
945 {
946 #define PHY_ERR(s, p) \
947 len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
948 sc->debug.stats.rxstats.phy_err_stats[p]);
949
950 #define RXS_ERR(s, e) \
951 do { \
952 len += scnprintf(buf + len, size - len, \
953 "%22s : %10u\n", s, \
954 sc->debug.stats.rxstats.e);\
955 } while (0)
956
957 struct ath_softc *sc = file->private_data;
958 char *buf;
959 unsigned int len = 0, size = 1600;
960 ssize_t retval = 0;
961
962 buf = kzalloc(size, GFP_KERNEL);
963 if (buf == NULL)
964 return -ENOMEM;
965
966 RXS_ERR("CRC ERR", crc_err);
967 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
968 RXS_ERR("PHY ERR", phy_err);
969 RXS_ERR("MIC ERR", mic_err);
970 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
971 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
972 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
973 RXS_ERR("RX-LENGTH-ERR", rx_len_err);
974 RXS_ERR("RX-OOM-ERR", rx_oom_err);
975 RXS_ERR("RX-RATE-ERR", rx_rate_err);
976 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
977
978 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
979 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
980 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
981 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
982 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
983 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
984 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
985 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
986 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
987 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
988 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
989 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
990 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
991 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
992 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
993 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
994 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
995 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
996 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
997 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
998 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
999 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1000 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
1001 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
1002 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1003 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1004
1005 RXS_ERR("RX-Pkts-All", rx_pkts_all);
1006 RXS_ERR("RX-Bytes-All", rx_bytes_all);
1007 RXS_ERR("RX-Beacons", rx_beacons);
1008 RXS_ERR("RX-Frags", rx_frags);
1009 RXS_ERR("RX-Spectral", rx_spectral);
1010
1011 if (len > size)
1012 len = size;
1013
1014 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1015 kfree(buf);
1016
1017 return retval;
1018
1019 #undef RXS_ERR
1020 #undef PHY_ERR
1021 }
1022
1023 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1024 {
1025 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1026
1027 RX_STAT_INC(rx_pkts_all);
1028 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1029
1030 if (rs->rs_status & ATH9K_RXERR_CRC)
1031 RX_STAT_INC(crc_err);
1032 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1033 RX_STAT_INC(decrypt_crc_err);
1034 if (rs->rs_status & ATH9K_RXERR_MIC)
1035 RX_STAT_INC(mic_err);
1036 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1037 RX_STAT_INC(pre_delim_crc_err);
1038 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1039 RX_STAT_INC(post_delim_crc_err);
1040 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1041 RX_STAT_INC(decrypt_busy_err);
1042
1043 if (rs->rs_status & ATH9K_RXERR_PHY) {
1044 RX_STAT_INC(phy_err);
1045 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
1046 RX_PHY_ERR_INC(rs->rs_phyerr);
1047 }
1048
1049 #undef RX_PHY_ERR_INC
1050 }
1051
1052 static const struct file_operations fops_recv = {
1053 .read = read_file_recv,
1054 .open = simple_open,
1055 .owner = THIS_MODULE,
1056 .llseek = default_llseek,
1057 };
1058
1059 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1060 size_t count, loff_t *ppos)
1061 {
1062 struct ath_softc *sc = file->private_data;
1063 char buf[32];
1064 unsigned int len;
1065
1066 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1067 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1068 }
1069
1070 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1071 size_t count, loff_t *ppos)
1072 {
1073 struct ath_softc *sc = file->private_data;
1074 unsigned long regidx;
1075 char buf[32];
1076 ssize_t len;
1077
1078 len = min(count, sizeof(buf) - 1);
1079 if (copy_from_user(buf, user_buf, len))
1080 return -EFAULT;
1081
1082 buf[len] = '\0';
1083 if (kstrtoul(buf, 0, &regidx))
1084 return -EINVAL;
1085
1086 sc->debug.regidx = regidx;
1087 return count;
1088 }
1089
1090 static const struct file_operations fops_regidx = {
1091 .read = read_file_regidx,
1092 .write = write_file_regidx,
1093 .open = simple_open,
1094 .owner = THIS_MODULE,
1095 .llseek = default_llseek,
1096 };
1097
1098 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1099 size_t count, loff_t *ppos)
1100 {
1101 struct ath_softc *sc = file->private_data;
1102 struct ath_hw *ah = sc->sc_ah;
1103 char buf[32];
1104 unsigned int len;
1105 u32 regval;
1106
1107 ath9k_ps_wakeup(sc);
1108 regval = REG_READ_D(ah, sc->debug.regidx);
1109 ath9k_ps_restore(sc);
1110 len = sprintf(buf, "0x%08x\n", regval);
1111 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1112 }
1113
1114 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1115 size_t count, loff_t *ppos)
1116 {
1117 struct ath_softc *sc = file->private_data;
1118 struct ath_hw *ah = sc->sc_ah;
1119 unsigned long regval;
1120 char buf[32];
1121 ssize_t len;
1122
1123 len = min(count, sizeof(buf) - 1);
1124 if (copy_from_user(buf, user_buf, len))
1125 return -EFAULT;
1126
1127 buf[len] = '\0';
1128 if (kstrtoul(buf, 0, &regval))
1129 return -EINVAL;
1130
1131 ath9k_ps_wakeup(sc);
1132 REG_WRITE_D(ah, sc->debug.regidx, regval);
1133 ath9k_ps_restore(sc);
1134 return count;
1135 }
1136
1137 static const struct file_operations fops_regval = {
1138 .read = read_file_regval,
1139 .write = write_file_regval,
1140 .open = simple_open,
1141 .owner = THIS_MODULE,
1142 .llseek = default_llseek,
1143 };
1144
1145 #define REGDUMP_LINE_SIZE 20
1146
1147 static int open_file_regdump(struct inode *inode, struct file *file)
1148 {
1149 struct ath_softc *sc = inode->i_private;
1150 unsigned int len = 0;
1151 u8 *buf;
1152 int i;
1153 unsigned long num_regs, regdump_len, max_reg_offset;
1154
1155 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1156 num_regs = max_reg_offset / 4 + 1;
1157 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1158 buf = vmalloc(regdump_len);
1159 if (!buf)
1160 return -ENOMEM;
1161
1162 ath9k_ps_wakeup(sc);
1163 for (i = 0; i < num_regs; i++)
1164 len += scnprintf(buf + len, regdump_len - len,
1165 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1166 ath9k_ps_restore(sc);
1167
1168 file->private_data = buf;
1169
1170 return 0;
1171 }
1172
1173 static const struct file_operations fops_regdump = {
1174 .open = open_file_regdump,
1175 .read = ath9k_debugfs_read_buf,
1176 .release = ath9k_debugfs_release_buf,
1177 .owner = THIS_MODULE,
1178 .llseek = default_llseek,/* read accesses f_pos */
1179 };
1180
1181 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1182 size_t count, loff_t *ppos)
1183 {
1184 struct ath_softc *sc = file->private_data;
1185 struct ath_hw *ah = sc->sc_ah;
1186 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1187 struct ath_common *common = ath9k_hw_common(ah);
1188 struct ieee80211_conf *conf = &common->hw->conf;
1189 u32 len = 0, size = 1500;
1190 u32 i, j;
1191 ssize_t retval = 0;
1192 char *buf;
1193 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1194 u8 nread;
1195
1196 buf = kzalloc(size, GFP_KERNEL);
1197 if (!buf)
1198 return -ENOMEM;
1199
1200 len += scnprintf(buf + len, size - len,
1201 "Channel Noise Floor : %d\n", ah->noise);
1202 len += scnprintf(buf + len, size - len,
1203 "Chain | privNF | # Readings | NF Readings\n");
1204 for (i = 0; i < NUM_NF_READINGS; i++) {
1205 if (!(chainmask & (1 << i)) ||
1206 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1207 continue;
1208
1209 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1210 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1211 i, h[i].privNF, nread);
1212 for (j = 0; j < nread; j++)
1213 len += scnprintf(buf + len, size - len,
1214 " %d", h[i].nfCalBuffer[j]);
1215 len += scnprintf(buf + len, size - len, "\n");
1216 }
1217
1218 if (len > size)
1219 len = size;
1220
1221 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1222 kfree(buf);
1223
1224 return retval;
1225 }
1226
1227 static const struct file_operations fops_dump_nfcal = {
1228 .read = read_file_dump_nfcal,
1229 .open = simple_open,
1230 .owner = THIS_MODULE,
1231 .llseek = default_llseek,
1232 };
1233
1234 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1235 size_t count, loff_t *ppos)
1236 {
1237 struct ath_softc *sc = file->private_data;
1238 struct ath_hw *ah = sc->sc_ah;
1239 u32 len = 0, size = 1500;
1240 ssize_t retval = 0;
1241 char *buf;
1242
1243 buf = kzalloc(size, GFP_KERNEL);
1244 if (!buf)
1245 return -ENOMEM;
1246
1247 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1248
1249 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1250 kfree(buf);
1251
1252 return retval;
1253 }
1254
1255 static const struct file_operations fops_base_eeprom = {
1256 .read = read_file_base_eeprom,
1257 .open = simple_open,
1258 .owner = THIS_MODULE,
1259 .llseek = default_llseek,
1260 };
1261
1262 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1263 size_t count, loff_t *ppos)
1264 {
1265 struct ath_softc *sc = file->private_data;
1266 struct ath_hw *ah = sc->sc_ah;
1267 u32 len = 0, size = 6000;
1268 char *buf;
1269 size_t retval;
1270
1271 buf = kzalloc(size, GFP_KERNEL);
1272 if (buf == NULL)
1273 return -ENOMEM;
1274
1275 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1276
1277 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1278 kfree(buf);
1279
1280 return retval;
1281 }
1282
1283 static const struct file_operations fops_modal_eeprom = {
1284 .read = read_file_modal_eeprom,
1285 .open = simple_open,
1286 .owner = THIS_MODULE,
1287 .llseek = default_llseek,
1288 };
1289
1290 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1291 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1292 size_t count, loff_t *ppos)
1293 {
1294 struct ath_softc *sc = file->private_data;
1295 u32 len = 0, size = 1500;
1296 char *buf;
1297 size_t retval;
1298
1299 buf = kzalloc(size, GFP_KERNEL);
1300 if (buf == NULL)
1301 return -ENOMEM;
1302
1303 if (!sc->sc_ah->common.btcoex_enabled) {
1304 len = scnprintf(buf, size, "%s\n",
1305 "BTCOEX is disabled");
1306 goto exit;
1307 }
1308
1309 len = ath9k_dump_btcoex(sc, buf, size);
1310 exit:
1311 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1312 kfree(buf);
1313
1314 return retval;
1315 }
1316
1317 static const struct file_operations fops_btcoex = {
1318 .read = read_file_btcoex,
1319 .open = simple_open,
1320 .owner = THIS_MODULE,
1321 .llseek = default_llseek,
1322 };
1323 #endif
1324
1325 /* Ethtool support for get-stats */
1326
1327 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1328 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1329 "tx_pkts_nic",
1330 "tx_bytes_nic",
1331 "rx_pkts_nic",
1332 "rx_bytes_nic",
1333 AMKSTR(d_tx_pkts),
1334 AMKSTR(d_tx_bytes),
1335 AMKSTR(d_tx_mpdus_queued),
1336 AMKSTR(d_tx_mpdus_completed),
1337 AMKSTR(d_tx_mpdu_xretries),
1338 AMKSTR(d_tx_aggregates),
1339 AMKSTR(d_tx_ampdus_queued_hw),
1340 AMKSTR(d_tx_ampdus_queued_sw),
1341 AMKSTR(d_tx_ampdus_completed),
1342 AMKSTR(d_tx_ampdu_retries),
1343 AMKSTR(d_tx_ampdu_xretries),
1344 AMKSTR(d_tx_fifo_underrun),
1345 AMKSTR(d_tx_op_exceeded),
1346 AMKSTR(d_tx_timer_expiry),
1347 AMKSTR(d_tx_desc_cfg_err),
1348 AMKSTR(d_tx_data_underrun),
1349 AMKSTR(d_tx_delim_underrun),
1350 "d_rx_crc_err",
1351 "d_rx_decrypt_crc_err",
1352 "d_rx_phy_err",
1353 "d_rx_mic_err",
1354 "d_rx_pre_delim_crc_err",
1355 "d_rx_post_delim_crc_err",
1356 "d_rx_decrypt_busy_err",
1357
1358 "d_rx_phyerr_radar",
1359 "d_rx_phyerr_ofdm_timing",
1360 "d_rx_phyerr_cck_timing",
1361
1362 };
1363 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1364
1365 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1366 struct ieee80211_vif *vif,
1367 u32 sset, u8 *data)
1368 {
1369 if (sset == ETH_SS_STATS)
1370 memcpy(data, *ath9k_gstrings_stats,
1371 sizeof(ath9k_gstrings_stats));
1372 }
1373
1374 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1375 struct ieee80211_vif *vif, int sset)
1376 {
1377 if (sset == ETH_SS_STATS)
1378 return ATH9K_SSTATS_LEN;
1379 return 0;
1380 }
1381
1382 #define AWDATA(elem) \
1383 do { \
1384 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1385 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1386 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1387 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1388 } while (0)
1389
1390 #define AWDATA_RX(elem) \
1391 do { \
1392 data[i++] = sc->debug.stats.rxstats.elem; \
1393 } while (0)
1394
1395 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1396 struct ieee80211_vif *vif,
1397 struct ethtool_stats *stats, u64 *data)
1398 {
1399 struct ath_softc *sc = hw->priv;
1400 int i = 0;
1401
1402 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1403 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1404 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1405 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1406 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1407 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1408 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1409 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1410 AWDATA_RX(rx_pkts_all);
1411 AWDATA_RX(rx_bytes_all);
1412
1413 AWDATA(tx_pkts_all);
1414 AWDATA(tx_bytes_all);
1415 AWDATA(queued);
1416 AWDATA(completed);
1417 AWDATA(xretries);
1418 AWDATA(a_aggr);
1419 AWDATA(a_queued_hw);
1420 AWDATA(a_queued_sw);
1421 AWDATA(a_completed);
1422 AWDATA(a_retries);
1423 AWDATA(a_xretries);
1424 AWDATA(fifo_underrun);
1425 AWDATA(xtxop);
1426 AWDATA(timer_exp);
1427 AWDATA(desc_cfg_err);
1428 AWDATA(data_underrun);
1429 AWDATA(delim_underrun);
1430
1431 AWDATA_RX(crc_err);
1432 AWDATA_RX(decrypt_crc_err);
1433 AWDATA_RX(phy_err);
1434 AWDATA_RX(mic_err);
1435 AWDATA_RX(pre_delim_crc_err);
1436 AWDATA_RX(post_delim_crc_err);
1437 AWDATA_RX(decrypt_busy_err);
1438
1439 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1440 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1441 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1442
1443 WARN_ON(i != ATH9K_SSTATS_LEN);
1444 }
1445
1446 void ath9k_deinit_debug(struct ath_softc *sc)
1447 {
1448 ath9k_spectral_deinit_debug(sc);
1449 }
1450
1451 int ath9k_init_debug(struct ath_hw *ah)
1452 {
1453 struct ath_common *common = ath9k_hw_common(ah);
1454 struct ath_softc *sc = (struct ath_softc *) common->priv;
1455
1456 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1457 sc->hw->wiphy->debugfsdir);
1458 if (!sc->debug.debugfs_phy)
1459 return -ENOMEM;
1460
1461 #ifdef CONFIG_ATH_DEBUG
1462 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1463 sc, &fops_debug);
1464 #endif
1465
1466 ath9k_dfs_init_debug(sc);
1467 ath9k_tx99_init_debug(sc);
1468 ath9k_spectral_init_debug(sc);
1469
1470 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1471 &fops_dma);
1472 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1473 &fops_interrupt);
1474 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1475 &fops_xmit);
1476 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1477 &fops_queues);
1478 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1479 &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1480 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1481 &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1482 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1483 &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1484 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1485 &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1486 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1487 &fops_misc);
1488 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1489 &fops_reset);
1490 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1491 &fops_recv);
1492 debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1493 &ah->rxchainmask);
1494 debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1495 &ah->txchainmask);
1496 debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1497 sc->debug.debugfs_phy, sc, &fops_ani);
1498 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1499 &sc->sc_ah->config.enable_paprd);
1500 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1501 sc, &fops_regidx);
1502 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1503 sc, &fops_regval);
1504 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1505 sc->debug.debugfs_phy,
1506 &ah->config.cwm_ignore_extcca);
1507 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1508 &fops_regdump);
1509 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1510 &fops_dump_nfcal);
1511 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1512 &fops_base_eeprom);
1513 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1514 &fops_modal_eeprom);
1515 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1516 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1517 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1518 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1519 debugfs_create_file("antenna_diversity", S_IRUSR,
1520 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1521 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1522 debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1523 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1524 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1525 &fops_btcoex);
1526 #endif
1527
1528 return 0;
1529 }
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