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Merge branch 'perf/urgent' into perf/core, to pick up fixes
[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / ath / ath9k / debug.c
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;
139 const unsigned int size = 1024;
140 ssize_t retval = 0;
141 char *buf;
142 int i;
143 struct {
144 const char *name;
145 unsigned int val;
146 } ani_info[] = {
147 { "ANI RESET", ah->stats.ast_ani_reset },
148 { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
149 { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
150 { "SPUR UP", ah->stats.ast_ani_spurup },
151 { "SPUR DOWN", ah->stats.ast_ani_spurup },
152 { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
153 { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
154 { "MRC-CCK ON", ah->stats.ast_ani_ccklow },
155 { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },
156 { "FIR-STEP UP", ah->stats.ast_ani_stepup },
157 { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },
158 { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },
159 { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },
160 { "CCK ERRORS", ah->stats.ast_ani_cckerrs },
161 };
162
163 buf = kzalloc(size, GFP_KERNEL);
164 if (buf == NULL)
165 return -ENOMEM;
166
167 len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",
168 common->disable_ani ? "DISABLED" : "ENABLED");
169
170 if (common->disable_ani)
171 goto exit;
172
173 for (i = 0; i < ARRAY_SIZE(ani_info); i++)
174 len += scnprintf(buf + len, size - len, "%15s: %u\n",
175 ani_info[i].name, ani_info[i].val);
176
177 exit:
178 if (len > size)
179 len = size;
180
181 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
182 kfree(buf);
183
184 return retval;
185 }
186
187 static ssize_t write_file_ani(struct file *file,
188 const char __user *user_buf,
189 size_t count, loff_t *ppos)
190 {
191 struct ath_softc *sc = file->private_data;
192 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
193 unsigned long ani;
194 char buf[32];
195 ssize_t len;
196
197 len = min(count, sizeof(buf) - 1);
198 if (copy_from_user(buf, user_buf, len))
199 return -EFAULT;
200
201 buf[len] = '\0';
202 if (kstrtoul(buf, 0, &ani))
203 return -EINVAL;
204
205 if (ani > 1)
206 return -EINVAL;
207
208 common->disable_ani = !ani;
209
210 if (common->disable_ani) {
211 clear_bit(ATH_OP_ANI_RUN, &common->op_flags);
212 ath_stop_ani(sc);
213 } else {
214 ath_check_ani(sc);
215 }
216
217 return count;
218 }
219
220 static const struct file_operations fops_ani = {
221 .read = read_file_ani,
222 .write = write_file_ani,
223 .open = simple_open,
224 .owner = THIS_MODULE,
225 .llseek = default_llseek,
226 };
227
228 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
229
230 static ssize_t read_file_bt_ant_diversity(struct file *file,
231 char __user *user_buf,
232 size_t count, loff_t *ppos)
233 {
234 struct ath_softc *sc = file->private_data;
235 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
236 char buf[32];
237 unsigned int len;
238
239 len = sprintf(buf, "%d\n", common->bt_ant_diversity);
240 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
241 }
242
243 static ssize_t write_file_bt_ant_diversity(struct file *file,
244 const char __user *user_buf,
245 size_t count, loff_t *ppos)
246 {
247 struct ath_softc *sc = file->private_data;
248 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
249 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
250 unsigned long bt_ant_diversity;
251 char buf[32];
252 ssize_t len;
253
254 len = min(count, sizeof(buf) - 1);
255 if (copy_from_user(buf, user_buf, len))
256 return -EFAULT;
257
258 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
259 goto exit;
260
261 buf[len] = '\0';
262 if (kstrtoul(buf, 0, &bt_ant_diversity))
263 return -EINVAL;
264
265 common->bt_ant_diversity = !!bt_ant_diversity;
266 ath9k_ps_wakeup(sc);
267 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
268 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
269 common->bt_ant_diversity);
270 ath9k_ps_restore(sc);
271 exit:
272 return count;
273 }
274
275 static const struct file_operations fops_bt_ant_diversity = {
276 .read = read_file_bt_ant_diversity,
277 .write = write_file_bt_ant_diversity,
278 .open = simple_open,
279 .owner = THIS_MODULE,
280 .llseek = default_llseek,
281 };
282
283 #endif
284
285 void ath9k_debug_stat_ant(struct ath_softc *sc,
286 struct ath_hw_antcomb_conf *div_ant_conf,
287 int main_rssi_avg, int alt_rssi_avg)
288 {
289 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
290 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
291
292 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
293 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
294
295 as_main->rssi_avg = main_rssi_avg;
296 as_alt->rssi_avg = alt_rssi_avg;
297 }
298
299 static ssize_t read_file_antenna_diversity(struct file *file,
300 char __user *user_buf,
301 size_t count, loff_t *ppos)
302 {
303 struct ath_softc *sc = file->private_data;
304 struct ath_hw *ah = sc->sc_ah;
305 struct ath9k_hw_capabilities *pCap = &ah->caps;
306 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
307 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
308 struct ath_hw_antcomb_conf div_ant_conf;
309 unsigned int len = 0;
310 const unsigned int size = 1024;
311 ssize_t retval = 0;
312 char *buf;
313 static const char *lna_conf_str[4] = {
314 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2"
315 };
316
317 buf = kzalloc(size, GFP_KERNEL);
318 if (buf == NULL)
319 return -ENOMEM;
320
321 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
322 len += scnprintf(buf + len, size - len, "%s\n",
323 "Antenna Diversity Combining is disabled");
324 goto exit;
325 }
326
327 ath9k_ps_wakeup(sc);
328 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
329 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
330 lna_conf_str[div_ant_conf.main_lna_conf]);
331 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",
332 lna_conf_str[div_ant_conf.alt_lna_conf]);
333 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
334 as_main->rssi_avg);
335 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
336 as_alt->rssi_avg);
337 ath9k_ps_restore(sc);
338
339 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
340 len += scnprintf(buf + len, size - len, "-------------------\n");
341
342 len += scnprintf(buf + len, size - len, "%30s%15s\n",
343 "MAIN", "ALT");
344 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
345 "TOTAL COUNT",
346 as_main->recv_cnt,
347 as_alt->recv_cnt);
348 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
349 "LNA1",
350 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
351 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
352 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
353 "LNA2",
354 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
355 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
356 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
357 "LNA1 + LNA2",
358 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
359 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
360 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
361 "LNA1 - LNA2",
362 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
363 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
364
365 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
366 len += scnprintf(buf + len, size - len, "--------------------\n");
367
368 len += scnprintf(buf + len, size - len, "%30s%15s\n",
369 "MAIN", "ALT");
370 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
371 "LNA1",
372 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
373 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
374 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
375 "LNA2",
376 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
377 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
378 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
379 "LNA1 + LNA2",
380 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
381 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
382 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
383 "LNA1 - LNA2",
384 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
385 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
386
387 exit:
388 if (len > size)
389 len = size;
390
391 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
392 kfree(buf);
393
394 return retval;
395 }
396
397 static const struct file_operations fops_antenna_diversity = {
398 .read = read_file_antenna_diversity,
399 .open = simple_open,
400 .owner = THIS_MODULE,
401 .llseek = default_llseek,
402 };
403
404 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
405 size_t count, loff_t *ppos)
406 {
407 struct ath_softc *sc = file->private_data;
408 struct ath_hw *ah = sc->sc_ah;
409 char *buf;
410 int retval;
411 unsigned int len = 0;
412 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
413 int i, qcuOffset = 0, dcuOffset = 0;
414 u32 *qcuBase = &val[0], *dcuBase = &val[4];
415
416 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
417 if (!buf)
418 return -ENOMEM;
419
420 ath9k_ps_wakeup(sc);
421
422 REG_WRITE_D(ah, AR_MACMISC,
423 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
424 (AR_MACMISC_MISC_OBS_BUS_1 <<
425 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
426
427 len += scnprintf(buf + len, DMA_BUF_LEN - len,
428 "Raw DMA Debug values:\n");
429
430 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
431 if (i % 4 == 0)
432 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
433
434 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
435 len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
436 i, val[i]);
437 }
438
439 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
440 len += scnprintf(buf + len, DMA_BUF_LEN - len,
441 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
442
443 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
444 if (i == 8) {
445 qcuOffset = 0;
446 qcuBase++;
447 }
448
449 if (i == 6) {
450 dcuOffset = 0;
451 dcuBase++;
452 }
453
454 len += scnprintf(buf + len, DMA_BUF_LEN - len,
455 "%2d %2x %1x %2x %2x\n",
456 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
457 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
458 (val[2] & (0x7 << (i * 3))) >> (i * 3),
459 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
460 }
461
462 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
463
464 len += scnprintf(buf + len, DMA_BUF_LEN - len,
465 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
466 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
467 len += scnprintf(buf + len, DMA_BUF_LEN - len,
468 "qcu_complete state: %2x dcu_complete state: %2x\n",
469 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
470 len += scnprintf(buf + len, DMA_BUF_LEN - len,
471 "dcu_arb state: %2x dcu_fp state: %2x\n",
472 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
473 len += scnprintf(buf + len, DMA_BUF_LEN - len,
474 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
475 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
476 len += scnprintf(buf + len, DMA_BUF_LEN - len,
477 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
478 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
479 len += scnprintf(buf + len, DMA_BUF_LEN - len,
480 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
481 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
482
483 len += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
484 REG_READ_D(ah, AR_OBS_BUS_1));
485 len += scnprintf(buf + len, DMA_BUF_LEN - len,
486 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
487
488 ath9k_ps_restore(sc);
489
490 if (len > DMA_BUF_LEN)
491 len = DMA_BUF_LEN;
492
493 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
494 kfree(buf);
495 return retval;
496 }
497
498 static const struct file_operations fops_dma = {
499 .read = read_file_dma,
500 .open = simple_open,
501 .owner = THIS_MODULE,
502 .llseek = default_llseek,
503 };
504
505
506 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
507 {
508 if (status)
509 sc->debug.stats.istats.total++;
510 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
511 if (status & ATH9K_INT_RXLP)
512 sc->debug.stats.istats.rxlp++;
513 if (status & ATH9K_INT_RXHP)
514 sc->debug.stats.istats.rxhp++;
515 if (status & ATH9K_INT_BB_WATCHDOG)
516 sc->debug.stats.istats.bb_watchdog++;
517 } else {
518 if (status & ATH9K_INT_RX)
519 sc->debug.stats.istats.rxok++;
520 }
521 if (status & ATH9K_INT_RXEOL)
522 sc->debug.stats.istats.rxeol++;
523 if (status & ATH9K_INT_RXORN)
524 sc->debug.stats.istats.rxorn++;
525 if (status & ATH9K_INT_TX)
526 sc->debug.stats.istats.txok++;
527 if (status & ATH9K_INT_TXURN)
528 sc->debug.stats.istats.txurn++;
529 if (status & ATH9K_INT_RXPHY)
530 sc->debug.stats.istats.rxphyerr++;
531 if (status & ATH9K_INT_RXKCM)
532 sc->debug.stats.istats.rx_keycache_miss++;
533 if (status & ATH9K_INT_SWBA)
534 sc->debug.stats.istats.swba++;
535 if (status & ATH9K_INT_BMISS)
536 sc->debug.stats.istats.bmiss++;
537 if (status & ATH9K_INT_BNR)
538 sc->debug.stats.istats.bnr++;
539 if (status & ATH9K_INT_CST)
540 sc->debug.stats.istats.cst++;
541 if (status & ATH9K_INT_GTT)
542 sc->debug.stats.istats.gtt++;
543 if (status & ATH9K_INT_TIM)
544 sc->debug.stats.istats.tim++;
545 if (status & ATH9K_INT_CABEND)
546 sc->debug.stats.istats.cabend++;
547 if (status & ATH9K_INT_DTIMSYNC)
548 sc->debug.stats.istats.dtimsync++;
549 if (status & ATH9K_INT_DTIM)
550 sc->debug.stats.istats.dtim++;
551 if (status & ATH9K_INT_TSFOOR)
552 sc->debug.stats.istats.tsfoor++;
553 if (status & ATH9K_INT_MCI)
554 sc->debug.stats.istats.mci++;
555 if (status & ATH9K_INT_GENTIMER)
556 sc->debug.stats.istats.gen_timer++;
557 }
558
559 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
560 size_t count, loff_t *ppos)
561 {
562 struct ath_softc *sc = file->private_data;
563 unsigned int len = 0;
564 int rv;
565 int mxlen = 4000;
566 char *buf = kmalloc(mxlen, GFP_KERNEL);
567 if (!buf)
568 return -ENOMEM;
569
570 #define PR_IS(a, s) \
571 do { \
572 len += scnprintf(buf + len, mxlen - len, \
573 "%21s: %10u\n", a, \
574 sc->debug.stats.istats.s); \
575 } while (0)
576
577 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
578 PR_IS("RXLP", rxlp);
579 PR_IS("RXHP", rxhp);
580 PR_IS("WATHDOG", bb_watchdog);
581 } else {
582 PR_IS("RX", rxok);
583 }
584 PR_IS("RXEOL", rxeol);
585 PR_IS("RXORN", rxorn);
586 PR_IS("TX", txok);
587 PR_IS("TXURN", txurn);
588 PR_IS("MIB", mib);
589 PR_IS("RXPHY", rxphyerr);
590 PR_IS("RXKCM", rx_keycache_miss);
591 PR_IS("SWBA", swba);
592 PR_IS("BMISS", bmiss);
593 PR_IS("BNR", bnr);
594 PR_IS("CST", cst);
595 PR_IS("GTT", gtt);
596 PR_IS("TIM", tim);
597 PR_IS("CABEND", cabend);
598 PR_IS("DTIMSYNC", dtimsync);
599 PR_IS("DTIM", dtim);
600 PR_IS("TSFOOR", tsfoor);
601 PR_IS("MCI", mci);
602 PR_IS("GENTIMER", gen_timer);
603 PR_IS("TOTAL", total);
604
605 len += scnprintf(buf + len, mxlen - len,
606 "SYNC_CAUSE stats:\n");
607
608 PR_IS("Sync-All", sync_cause_all);
609 PR_IS("RTC-IRQ", sync_rtc_irq);
610 PR_IS("MAC-IRQ", sync_mac_irq);
611 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
612 PR_IS("APB-Timeout", apb_timeout);
613 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
614 PR_IS("HOST1-Fatal", host1_fatal);
615 PR_IS("HOST1-Perr", host1_perr);
616 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
617 PR_IS("RADM-CPL-EP", radm_cpl_ep);
618 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
619 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
620 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
621 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
622 PR_IS("Local-Bus-Timeout", local_timeout);
623 PR_IS("PM-Access", pm_access);
624 PR_IS("MAC-Awake", mac_awake);
625 PR_IS("MAC-Asleep", mac_asleep);
626 PR_IS("MAC-Sleep-Access", mac_sleep_access);
627
628 if (len > mxlen)
629 len = mxlen;
630
631 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
632 kfree(buf);
633 return rv;
634 }
635
636 static const struct file_operations fops_interrupt = {
637 .read = read_file_interrupt,
638 .open = simple_open,
639 .owner = THIS_MODULE,
640 .llseek = default_llseek,
641 };
642
643 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
644 size_t count, loff_t *ppos)
645 {
646 struct ath_softc *sc = file->private_data;
647 char *buf;
648 unsigned int len = 0, size = 2048;
649 ssize_t retval = 0;
650
651 buf = kzalloc(size, GFP_KERNEL);
652 if (buf == NULL)
653 return -ENOMEM;
654
655 len += sprintf(buf, "%30s %10s%10s%10s\n\n",
656 "BE", "BK", "VI", "VO");
657
658 PR("MPDUs Queued: ", queued);
659 PR("MPDUs Completed: ", completed);
660 PR("MPDUs XRetried: ", xretries);
661 PR("Aggregates: ", a_aggr);
662 PR("AMPDUs Queued HW:", a_queued_hw);
663 PR("AMPDUs Queued SW:", a_queued_sw);
664 PR("AMPDUs Completed:", a_completed);
665 PR("AMPDUs Retried: ", a_retries);
666 PR("AMPDUs XRetried: ", a_xretries);
667 PR("TXERR Filtered: ", txerr_filtered);
668 PR("FIFO Underrun: ", fifo_underrun);
669 PR("TXOP Exceeded: ", xtxop);
670 PR("TXTIMER Expiry: ", timer_exp);
671 PR("DESC CFG Error: ", desc_cfg_err);
672 PR("DATA Underrun: ", data_underrun);
673 PR("DELIM Underrun: ", delim_underrun);
674 PR("TX-Pkts-All: ", tx_pkts_all);
675 PR("TX-Bytes-All: ", tx_bytes_all);
676 PR("HW-put-tx-buf: ", puttxbuf);
677 PR("HW-tx-start: ", txstart);
678 PR("HW-tx-proc-desc: ", txprocdesc);
679 PR("TX-Failed: ", txfailed);
680
681 if (len > size)
682 len = size;
683
684 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
685 kfree(buf);
686
687 return retval;
688 }
689
690 static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
691 char *buf, ssize_t size)
692 {
693 ssize_t len = 0;
694
695 ath_txq_lock(sc, txq);
696
697 len += scnprintf(buf + len, size - len, "%s: %d ",
698 "qnum", txq->axq_qnum);
699 len += scnprintf(buf + len, size - len, "%s: %2d ",
700 "qdepth", txq->axq_depth);
701 len += scnprintf(buf + len, size - len, "%s: %2d ",
702 "ampdu-depth", txq->axq_ampdu_depth);
703 len += scnprintf(buf + len, size - len, "%s: %3d ",
704 "pending", txq->pending_frames);
705 len += scnprintf(buf + len, size - len, "%s: %d\n",
706 "stopped", txq->stopped);
707
708 ath_txq_unlock(sc, txq);
709 return len;
710 }
711
712 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
713 size_t count, loff_t *ppos)
714 {
715 struct ath_softc *sc = file->private_data;
716 struct ath_txq *txq;
717 char *buf;
718 unsigned int len = 0;
719 const unsigned int size = 1024;
720 ssize_t retval = 0;
721 int i;
722 static const char *qname[4] = {
723 "VO", "VI", "BE", "BK"
724 };
725
726 buf = kzalloc(size, GFP_KERNEL);
727 if (buf == NULL)
728 return -ENOMEM;
729
730 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
731 txq = sc->tx.txq_map[i];
732 len += scnprintf(buf + len, size - len, "(%s): ", qname[i]);
733 len += print_queue(sc, txq, buf + len, size - len);
734 }
735
736 len += scnprintf(buf + len, size - len, "(CAB): ");
737 len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
738
739 if (len > size)
740 len = size;
741
742 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
743 kfree(buf);
744
745 return retval;
746 }
747
748 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
749 size_t count, loff_t *ppos)
750 {
751 struct ath_softc *sc = file->private_data;
752 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
753 struct ath9k_vif_iter_data iter_data;
754 struct ath_chanctx *ctx;
755 char buf[512];
756 unsigned int len = 0;
757 ssize_t retval = 0;
758 unsigned int reg;
759 u32 rxfilter, i;
760
761 len += scnprintf(buf + len, sizeof(buf) - len,
762 "BSSID: %pM\n", common->curbssid);
763 len += scnprintf(buf + len, sizeof(buf) - len,
764 "BSSID-MASK: %pM\n", common->bssidmask);
765 len += scnprintf(buf + len, sizeof(buf) - len,
766 "OPMODE: %s\n",
767 ath_opmode_to_string(sc->sc_ah->opmode));
768
769 ath9k_ps_wakeup(sc);
770 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
771 ath9k_ps_restore(sc);
772
773 len += scnprintf(buf + len, sizeof(buf) - len,
774 "RXFILTER: 0x%x", rxfilter);
775
776 if (rxfilter & ATH9K_RX_FILTER_UCAST)
777 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
778 if (rxfilter & ATH9K_RX_FILTER_MCAST)
779 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
780 if (rxfilter & ATH9K_RX_FILTER_BCAST)
781 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
782 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
783 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
784 if (rxfilter & ATH9K_RX_FILTER_BEACON)
785 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
786 if (rxfilter & ATH9K_RX_FILTER_PROM)
787 len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
788 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
789 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
790 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
791 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR");
792 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
793 len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON");
794 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
795 len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
796 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
797 len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL");
798 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
799 len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
800 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
801 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
802 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
803 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
804
805 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
806
807 reg = sc->sc_ah->imask;
808
809 len += scnprintf(buf + len, sizeof(buf) - len,
810 "INTERRUPT-MASK: 0x%x", reg);
811
812 if (reg & ATH9K_INT_SWBA)
813 len += scnprintf(buf + len, sizeof(buf) - len, " SWBA");
814 if (reg & ATH9K_INT_BMISS)
815 len += scnprintf(buf + len, sizeof(buf) - len, " BMISS");
816 if (reg & ATH9K_INT_CST)
817 len += scnprintf(buf + len, sizeof(buf) - len, " CST");
818 if (reg & ATH9K_INT_RX)
819 len += scnprintf(buf + len, sizeof(buf) - len, " RX");
820 if (reg & ATH9K_INT_RXHP)
821 len += scnprintf(buf + len, sizeof(buf) - len, " RXHP");
822 if (reg & ATH9K_INT_RXLP)
823 len += scnprintf(buf + len, sizeof(buf) - len, " RXLP");
824 if (reg & ATH9K_INT_BB_WATCHDOG)
825 len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
826
827 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
828
829 i = 0;
830 ath_for_each_chanctx(sc, ctx) {
831 if (!ctx->assigned || list_empty(&ctx->vifs))
832 continue;
833 ath9k_calculate_iter_data(sc, ctx, &iter_data);
834
835 len += scnprintf(buf + len, sizeof(buf) - len,
836 "VIF-COUNTS: CTX %i AP: %i STA: %i MESH: %i WDS: %i",
837 i++, iter_data.naps, iter_data.nstations,
838 iter_data.nmeshes, iter_data.nwds);
839 len += scnprintf(buf + len, sizeof(buf) - len,
840 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
841 iter_data.nadhocs, sc->cur_chan->nvifs, sc->nbcnvifs);
842 }
843
844 if (len > sizeof(buf))
845 len = sizeof(buf);
846
847 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
848 return retval;
849 }
850
851 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
852 size_t count, loff_t *ppos)
853 {
854 struct ath_softc *sc = file->private_data;
855 char buf[512];
856 unsigned int len = 0;
857
858 len += scnprintf(buf + len, sizeof(buf) - len,
859 "%17s: %2d\n", "Baseband Hang",
860 sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
861 len += scnprintf(buf + len, sizeof(buf) - len,
862 "%17s: %2d\n", "Baseband Watchdog",
863 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
864 len += scnprintf(buf + len, sizeof(buf) - len,
865 "%17s: %2d\n", "Fatal HW Error",
866 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
867 len += scnprintf(buf + len, sizeof(buf) - len,
868 "%17s: %2d\n", "TX HW error",
869 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
870 len += scnprintf(buf + len, sizeof(buf) - len,
871 "%17s: %2d\n", "TX Path Hang",
872 sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
873 len += scnprintf(buf + len, sizeof(buf) - len,
874 "%17s: %2d\n", "PLL RX Hang",
875 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
876 len += scnprintf(buf + len, sizeof(buf) - len,
877 "%17s: %2d\n", "MAC Hang",
878 sc->debug.stats.reset[RESET_TYPE_MAC_HANG]);
879 len += scnprintf(buf + len, sizeof(buf) - len,
880 "%17s: %2d\n", "Stuck Beacon",
881 sc->debug.stats.reset[RESET_TYPE_BEACON_STUCK]);
882 len += scnprintf(buf + len, sizeof(buf) - len,
883 "%17s: %2d\n", "MCI Reset",
884 sc->debug.stats.reset[RESET_TYPE_MCI]);
885
886 if (len > sizeof(buf))
887 len = sizeof(buf);
888
889 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
890 }
891
892 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
893 struct ath_tx_status *ts, struct ath_txq *txq,
894 unsigned int flags)
895 {
896 int qnum = txq->axq_qnum;
897
898 TX_STAT_INC(qnum, tx_pkts_all);
899 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
900
901 if (bf_isampdu(bf)) {
902 if (flags & ATH_TX_ERROR)
903 TX_STAT_INC(qnum, a_xretries);
904 else
905 TX_STAT_INC(qnum, a_completed);
906 } else {
907 if (ts->ts_status & ATH9K_TXERR_XRETRY)
908 TX_STAT_INC(qnum, xretries);
909 else
910 TX_STAT_INC(qnum, completed);
911 }
912
913 if (ts->ts_status & ATH9K_TXERR_FILT)
914 TX_STAT_INC(qnum, txerr_filtered);
915 if (ts->ts_status & ATH9K_TXERR_FIFO)
916 TX_STAT_INC(qnum, fifo_underrun);
917 if (ts->ts_status & ATH9K_TXERR_XTXOP)
918 TX_STAT_INC(qnum, xtxop);
919 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
920 TX_STAT_INC(qnum, timer_exp);
921 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
922 TX_STAT_INC(qnum, desc_cfg_err);
923 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
924 TX_STAT_INC(qnum, data_underrun);
925 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
926 TX_STAT_INC(qnum, delim_underrun);
927 }
928
929 static const struct file_operations fops_xmit = {
930 .read = read_file_xmit,
931 .open = simple_open,
932 .owner = THIS_MODULE,
933 .llseek = default_llseek,
934 };
935
936 static const struct file_operations fops_queues = {
937 .read = read_file_queues,
938 .open = simple_open,
939 .owner = THIS_MODULE,
940 .llseek = default_llseek,
941 };
942
943 static const struct file_operations fops_misc = {
944 .read = read_file_misc,
945 .open = simple_open,
946 .owner = THIS_MODULE,
947 .llseek = default_llseek,
948 };
949
950 static const struct file_operations fops_reset = {
951 .read = read_file_reset,
952 .open = simple_open,
953 .owner = THIS_MODULE,
954 .llseek = default_llseek,
955 };
956
957 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
958 {
959 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);
960 }
961
962 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
963 size_t count, loff_t *ppos)
964 {
965 struct ath_softc *sc = file->private_data;
966 char buf[32];
967 unsigned int len;
968
969 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
970 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
971 }
972
973 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
974 size_t count, loff_t *ppos)
975 {
976 struct ath_softc *sc = file->private_data;
977 unsigned long regidx;
978 char buf[32];
979 ssize_t len;
980
981 len = min(count, sizeof(buf) - 1);
982 if (copy_from_user(buf, user_buf, len))
983 return -EFAULT;
984
985 buf[len] = '\0';
986 if (kstrtoul(buf, 0, &regidx))
987 return -EINVAL;
988
989 sc->debug.regidx = regidx;
990 return count;
991 }
992
993 static const struct file_operations fops_regidx = {
994 .read = read_file_regidx,
995 .write = write_file_regidx,
996 .open = simple_open,
997 .owner = THIS_MODULE,
998 .llseek = default_llseek,
999 };
1000
1001 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1002 size_t count, loff_t *ppos)
1003 {
1004 struct ath_softc *sc = file->private_data;
1005 struct ath_hw *ah = sc->sc_ah;
1006 char buf[32];
1007 unsigned int len;
1008 u32 regval;
1009
1010 ath9k_ps_wakeup(sc);
1011 regval = REG_READ_D(ah, sc->debug.regidx);
1012 ath9k_ps_restore(sc);
1013 len = sprintf(buf, "0x%08x\n", regval);
1014 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1015 }
1016
1017 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1018 size_t count, loff_t *ppos)
1019 {
1020 struct ath_softc *sc = file->private_data;
1021 struct ath_hw *ah = sc->sc_ah;
1022 unsigned long regval;
1023 char buf[32];
1024 ssize_t len;
1025
1026 len = min(count, sizeof(buf) - 1);
1027 if (copy_from_user(buf, user_buf, len))
1028 return -EFAULT;
1029
1030 buf[len] = '\0';
1031 if (kstrtoul(buf, 0, &regval))
1032 return -EINVAL;
1033
1034 ath9k_ps_wakeup(sc);
1035 REG_WRITE_D(ah, sc->debug.regidx, regval);
1036 ath9k_ps_restore(sc);
1037 return count;
1038 }
1039
1040 static const struct file_operations fops_regval = {
1041 .read = read_file_regval,
1042 .write = write_file_regval,
1043 .open = simple_open,
1044 .owner = THIS_MODULE,
1045 .llseek = default_llseek,
1046 };
1047
1048 #define REGDUMP_LINE_SIZE 20
1049
1050 static int open_file_regdump(struct inode *inode, struct file *file)
1051 {
1052 struct ath_softc *sc = inode->i_private;
1053 unsigned int len = 0;
1054 u8 *buf;
1055 int i;
1056 unsigned long num_regs, regdump_len, max_reg_offset;
1057
1058 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1059 num_regs = max_reg_offset / 4 + 1;
1060 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1061 buf = vmalloc(regdump_len);
1062 if (!buf)
1063 return -ENOMEM;
1064
1065 ath9k_ps_wakeup(sc);
1066 for (i = 0; i < num_regs; i++)
1067 len += scnprintf(buf + len, regdump_len - len,
1068 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1069 ath9k_ps_restore(sc);
1070
1071 file->private_data = buf;
1072
1073 return 0;
1074 }
1075
1076 static const struct file_operations fops_regdump = {
1077 .open = open_file_regdump,
1078 .read = ath9k_debugfs_read_buf,
1079 .release = ath9k_debugfs_release_buf,
1080 .owner = THIS_MODULE,
1081 .llseek = default_llseek,/* read accesses f_pos */
1082 };
1083
1084 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1085 size_t count, loff_t *ppos)
1086 {
1087 struct ath_softc *sc = file->private_data;
1088 struct ath_hw *ah = sc->sc_ah;
1089 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist;
1090 struct ath_common *common = ath9k_hw_common(ah);
1091 struct ieee80211_conf *conf = &common->hw->conf;
1092 u32 len = 0, size = 1500;
1093 u32 i, j;
1094 ssize_t retval = 0;
1095 char *buf;
1096 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1097 u8 nread;
1098
1099 buf = kzalloc(size, GFP_KERNEL);
1100 if (!buf)
1101 return -ENOMEM;
1102
1103 len += scnprintf(buf + len, size - len,
1104 "Channel Noise Floor : %d\n", ah->noise);
1105 len += scnprintf(buf + len, size - len,
1106 "Chain | privNF | # Readings | NF Readings\n");
1107 for (i = 0; i < NUM_NF_READINGS; i++) {
1108 if (!(chainmask & (1 << i)) ||
1109 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1110 continue;
1111
1112 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1113 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1114 i, h[i].privNF, nread);
1115 for (j = 0; j < nread; j++)
1116 len += scnprintf(buf + len, size - len,
1117 " %d", h[i].nfCalBuffer[j]);
1118 len += scnprintf(buf + len, size - len, "\n");
1119 }
1120
1121 if (len > size)
1122 len = size;
1123
1124 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1125 kfree(buf);
1126
1127 return retval;
1128 }
1129
1130 static const struct file_operations fops_dump_nfcal = {
1131 .read = read_file_dump_nfcal,
1132 .open = simple_open,
1133 .owner = THIS_MODULE,
1134 .llseek = default_llseek,
1135 };
1136
1137 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1138 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1139 size_t count, loff_t *ppos)
1140 {
1141 struct ath_softc *sc = file->private_data;
1142 u32 len = 0, size = 1500;
1143 char *buf;
1144 size_t retval;
1145
1146 buf = kzalloc(size, GFP_KERNEL);
1147 if (buf == NULL)
1148 return -ENOMEM;
1149
1150 if (!sc->sc_ah->common.btcoex_enabled) {
1151 len = scnprintf(buf, size, "%s\n",
1152 "BTCOEX is disabled");
1153 goto exit;
1154 }
1155
1156 len = ath9k_dump_btcoex(sc, buf, size);
1157 exit:
1158 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1159 kfree(buf);
1160
1161 return retval;
1162 }
1163
1164 static const struct file_operations fops_btcoex = {
1165 .read = read_file_btcoex,
1166 .open = simple_open,
1167 .owner = THIS_MODULE,
1168 .llseek = default_llseek,
1169 };
1170 #endif
1171
1172 #ifdef CONFIG_ATH9K_DYNACK
1173 static ssize_t read_file_ackto(struct file *file, char __user *user_buf,
1174 size_t count, loff_t *ppos)
1175 {
1176 struct ath_softc *sc = file->private_data;
1177 struct ath_hw *ah = sc->sc_ah;
1178 char buf[32];
1179 unsigned int len;
1180
1181 len = sprintf(buf, "%u %c\n", ah->dynack.ackto,
1182 (ah->dynack.enabled) ? 'A' : 'S');
1183
1184 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1185 }
1186
1187 static const struct file_operations fops_ackto = {
1188 .read = read_file_ackto,
1189 .open = simple_open,
1190 .owner = THIS_MODULE,
1191 .llseek = default_llseek,
1192 };
1193 #endif
1194
1195 /* Ethtool support for get-stats */
1196
1197 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1198 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1199 "tx_pkts_nic",
1200 "tx_bytes_nic",
1201 "rx_pkts_nic",
1202 "rx_bytes_nic",
1203 AMKSTR(d_tx_pkts),
1204 AMKSTR(d_tx_bytes),
1205 AMKSTR(d_tx_mpdus_queued),
1206 AMKSTR(d_tx_mpdus_completed),
1207 AMKSTR(d_tx_mpdu_xretries),
1208 AMKSTR(d_tx_aggregates),
1209 AMKSTR(d_tx_ampdus_queued_hw),
1210 AMKSTR(d_tx_ampdus_queued_sw),
1211 AMKSTR(d_tx_ampdus_completed),
1212 AMKSTR(d_tx_ampdu_retries),
1213 AMKSTR(d_tx_ampdu_xretries),
1214 AMKSTR(d_tx_fifo_underrun),
1215 AMKSTR(d_tx_op_exceeded),
1216 AMKSTR(d_tx_timer_expiry),
1217 AMKSTR(d_tx_desc_cfg_err),
1218 AMKSTR(d_tx_data_underrun),
1219 AMKSTR(d_tx_delim_underrun),
1220 "d_rx_crc_err",
1221 "d_rx_decrypt_crc_err",
1222 "d_rx_phy_err",
1223 "d_rx_mic_err",
1224 "d_rx_pre_delim_crc_err",
1225 "d_rx_post_delim_crc_err",
1226 "d_rx_decrypt_busy_err",
1227
1228 "d_rx_phyerr_radar",
1229 "d_rx_phyerr_ofdm_timing",
1230 "d_rx_phyerr_cck_timing",
1231
1232 };
1233 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1234
1235 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1236 struct ieee80211_vif *vif,
1237 u32 sset, u8 *data)
1238 {
1239 if (sset == ETH_SS_STATS)
1240 memcpy(data, *ath9k_gstrings_stats,
1241 sizeof(ath9k_gstrings_stats));
1242 }
1243
1244 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1245 struct ieee80211_vif *vif, int sset)
1246 {
1247 if (sset == ETH_SS_STATS)
1248 return ATH9K_SSTATS_LEN;
1249 return 0;
1250 }
1251
1252 #define AWDATA(elem) \
1253 do { \
1254 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1255 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1256 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1257 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1258 } while (0)
1259
1260 #define AWDATA_RX(elem) \
1261 do { \
1262 data[i++] = sc->debug.stats.rxstats.elem; \
1263 } while (0)
1264
1265 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1266 struct ieee80211_vif *vif,
1267 struct ethtool_stats *stats, u64 *data)
1268 {
1269 struct ath_softc *sc = hw->priv;
1270 int i = 0;
1271
1272 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1273 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1274 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1275 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1276 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1277 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1278 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1279 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1280 AWDATA_RX(rx_pkts_all);
1281 AWDATA_RX(rx_bytes_all);
1282
1283 AWDATA(tx_pkts_all);
1284 AWDATA(tx_bytes_all);
1285 AWDATA(queued);
1286 AWDATA(completed);
1287 AWDATA(xretries);
1288 AWDATA(a_aggr);
1289 AWDATA(a_queued_hw);
1290 AWDATA(a_queued_sw);
1291 AWDATA(a_completed);
1292 AWDATA(a_retries);
1293 AWDATA(a_xretries);
1294 AWDATA(fifo_underrun);
1295 AWDATA(xtxop);
1296 AWDATA(timer_exp);
1297 AWDATA(desc_cfg_err);
1298 AWDATA(data_underrun);
1299 AWDATA(delim_underrun);
1300
1301 AWDATA_RX(crc_err);
1302 AWDATA_RX(decrypt_crc_err);
1303 AWDATA_RX(phy_err);
1304 AWDATA_RX(mic_err);
1305 AWDATA_RX(pre_delim_crc_err);
1306 AWDATA_RX(post_delim_crc_err);
1307 AWDATA_RX(decrypt_busy_err);
1308
1309 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1310 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1311 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1312
1313 WARN_ON(i != ATH9K_SSTATS_LEN);
1314 }
1315
1316 void ath9k_deinit_debug(struct ath_softc *sc)
1317 {
1318 ath9k_spectral_deinit_debug(sc);
1319 }
1320
1321 int ath9k_init_debug(struct ath_hw *ah)
1322 {
1323 struct ath_common *common = ath9k_hw_common(ah);
1324 struct ath_softc *sc = (struct ath_softc *) common->priv;
1325
1326 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1327 sc->hw->wiphy->debugfsdir);
1328 if (!sc->debug.debugfs_phy)
1329 return -ENOMEM;
1330
1331 #ifdef CONFIG_ATH_DEBUG
1332 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1333 sc, &fops_debug);
1334 #endif
1335
1336 ath9k_dfs_init_debug(sc);
1337 ath9k_tx99_init_debug(sc);
1338 ath9k_spectral_init_debug(sc);
1339
1340 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1341 &fops_dma);
1342 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1343 &fops_interrupt);
1344 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1345 &fops_xmit);
1346 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1347 &fops_queues);
1348 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1349 &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1350 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1351 &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1352 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1353 &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1354 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1355 &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1356 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1357 &fops_misc);
1358 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1359 &fops_reset);
1360
1361 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1362 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1363
1364 debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1365 &ah->rxchainmask);
1366 debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1367 &ah->txchainmask);
1368 debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1369 sc->debug.debugfs_phy, sc, &fops_ani);
1370 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1371 &sc->sc_ah->config.enable_paprd);
1372 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1373 sc, &fops_regidx);
1374 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1375 sc, &fops_regval);
1376 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1377 sc->debug.debugfs_phy,
1378 &ah->config.cwm_ignore_extcca);
1379 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1380 &fops_regdump);
1381 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1382 &fops_dump_nfcal);
1383
1384 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1385 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1386
1387 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1388 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1389 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1390 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1391 debugfs_create_file("antenna_diversity", S_IRUSR,
1392 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1393 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1394 debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1395 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1396 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1397 &fops_btcoex);
1398 #endif
1399
1400 #ifdef CONFIG_ATH9K_DYNACK
1401 debugfs_create_file("ack_to", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1402 sc, &fops_ackto);
1403 #endif
1404
1405 return 0;
1406 }
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