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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
29void 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
71static 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
78static 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
86static 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
98static 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 ssize_t ret;
105
106 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
107 if (ret)
108 return ret;
109
110 common->debug_mask = mask;
111 return count;
112}
113
114static const struct file_operations fops_debug = {
115 .read = read_file_debug,
116 .write = write_file_debug,
117 .open = simple_open,
118 .owner = THIS_MODULE,
119 .llseek = default_llseek,
120};
121
122#endif
123
124#define DMA_BUF_LEN 1024
125
126
127static ssize_t read_file_ani(struct file *file, char __user *user_buf,
128 size_t count, loff_t *ppos)
129{
130 struct ath_softc *sc = file->private_data;
131 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
132 struct ath_hw *ah = sc->sc_ah;
133 unsigned int len = 0;
134 const unsigned int size = 1024;
135 ssize_t retval = 0;
136 char *buf;
137 int i;
138 struct {
139 const char *name;
140 unsigned int val;
141 } ani_info[] = {
142 { "ANI RESET", ah->stats.ast_ani_reset },
143 { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
144 { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
145 { "SPUR UP", ah->stats.ast_ani_spurup },
146 { "SPUR DOWN", ah->stats.ast_ani_spurdown },
147 { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
148 { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
149 { "MRC-CCK ON", ah->stats.ast_ani_ccklow },
150 { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },
151 { "FIR-STEP UP", ah->stats.ast_ani_stepup },
152 { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },
153 { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },
154 { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },
155 { "CCK ERRORS", ah->stats.ast_ani_cckerrs },
156 };
157
158 buf = kzalloc(size, GFP_KERNEL);
159 if (buf == NULL)
160 return -ENOMEM;
161
162 len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",
163 common->disable_ani ? "DISABLED" : "ENABLED");
164
165 if (common->disable_ani)
166 goto exit;
167
168 for (i = 0; i < ARRAY_SIZE(ani_info); i++)
169 len += scnprintf(buf + len, size - len, "%15s: %u\n",
170 ani_info[i].name, ani_info[i].val);
171
172exit:
173 if (len > size)
174 len = size;
175
176 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
177 kfree(buf);
178
179 return retval;
180}
181
182static ssize_t write_file_ani(struct file *file,
183 const char __user *user_buf,
184 size_t count, loff_t *ppos)
185{
186 struct ath_softc *sc = file->private_data;
187 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
188 unsigned long ani;
189 ssize_t ret;
190
191 ret = kstrtoul_from_user(user_buf, count, 0, &ani);
192 if (ret)
193 return ret;
194
195 if (ani > 1)
196 return -EINVAL;
197
198 common->disable_ani = !ani;
199
200 if (common->disable_ani) {
201 clear_bit(ATH_OP_ANI_RUN, &common->op_flags);
202 ath_stop_ani(sc);
203 } else {
204 ath_check_ani(sc);
205 }
206
207 return count;
208}
209
210static const struct file_operations fops_ani = {
211 .read = read_file_ani,
212 .write = write_file_ani,
213 .open = simple_open,
214 .owner = THIS_MODULE,
215 .llseek = default_llseek,
216};
217
218#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
219
220static ssize_t read_file_bt_ant_diversity(struct file *file,
221 char __user *user_buf,
222 size_t count, loff_t *ppos)
223{
224 struct ath_softc *sc = file->private_data;
225 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
226 char buf[32];
227 unsigned int len;
228
229 len = sprintf(buf, "%d\n", common->bt_ant_diversity);
230 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
231}
232
233static ssize_t write_file_bt_ant_diversity(struct file *file,
234 const char __user *user_buf,
235 size_t count, loff_t *ppos)
236{
237 struct ath_softc *sc = file->private_data;
238 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
239 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
240 unsigned long bt_ant_diversity;
241 ssize_t ret;
242
243 ret = kstrtoul_from_user(user_buf, count, 0, &bt_ant_diversity);
244 if (ret)
245 return ret;
246
247 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
248 goto exit;
249
250 common->bt_ant_diversity = !!bt_ant_diversity;
251 ath9k_ps_wakeup(sc);
252 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
253 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
254 common->bt_ant_diversity);
255 ath9k_ps_restore(sc);
256exit:
257 return count;
258}
259
260static const struct file_operations fops_bt_ant_diversity = {
261 .read = read_file_bt_ant_diversity,
262 .write = write_file_bt_ant_diversity,
263 .open = simple_open,
264 .owner = THIS_MODULE,
265 .llseek = default_llseek,
266};
267
268#endif
269
270void ath9k_debug_stat_ant(struct ath_softc *sc,
271 struct ath_hw_antcomb_conf *div_ant_conf,
272 int main_rssi_avg, int alt_rssi_avg)
273{
274 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
275 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
276
277 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
278 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
279
280 as_main->rssi_avg = main_rssi_avg;
281 as_alt->rssi_avg = alt_rssi_avg;
282}
283
284static ssize_t read_file_antenna_diversity(struct file *file,
285 char __user *user_buf,
286 size_t count, loff_t *ppos)
287{
288 struct ath_softc *sc = file->private_data;
289 struct ath_hw *ah = sc->sc_ah;
290 struct ath9k_hw_capabilities *pCap = &ah->caps;
291 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
292 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
293 struct ath_hw_antcomb_conf div_ant_conf;
294 unsigned int len = 0;
295 const unsigned int size = 1024;
296 ssize_t retval = 0;
297 char *buf;
298 static const char *lna_conf_str[4] = {
299 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2"
300 };
301
302 buf = kzalloc(size, GFP_KERNEL);
303 if (buf == NULL)
304 return -ENOMEM;
305
306 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
307 len += scnprintf(buf + len, size - len, "%s\n",
308 "Antenna Diversity Combining is disabled");
309 goto exit;
310 }
311
312 ath9k_ps_wakeup(sc);
313 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
314 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
315 lna_conf_str[div_ant_conf.main_lna_conf]);
316 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",
317 lna_conf_str[div_ant_conf.alt_lna_conf]);
318 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
319 as_main->rssi_avg);
320 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
321 as_alt->rssi_avg);
322 ath9k_ps_restore(sc);
323
324 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
325 len += scnprintf(buf + len, size - len, "-------------------\n");
326
327 len += scnprintf(buf + len, size - len, "%30s%15s\n",
328 "MAIN", "ALT");
329 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
330 "TOTAL COUNT",
331 as_main->recv_cnt,
332 as_alt->recv_cnt);
333 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
334 "LNA1",
335 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
336 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
337 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
338 "LNA2",
339 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
340 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
341 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
342 "LNA1 + LNA2",
343 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
344 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
345 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
346 "LNA1 - LNA2",
347 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
348 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
349
350 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
351 len += scnprintf(buf + len, size - len, "--------------------\n");
352
353 len += scnprintf(buf + len, size - len, "%30s%15s\n",
354 "MAIN", "ALT");
355 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
356 "LNA1",
357 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
358 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
359 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
360 "LNA2",
361 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
362 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
363 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
364 "LNA1 + LNA2",
365 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
366 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
367 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
368 "LNA1 - LNA2",
369 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
370 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
371
372exit:
373 if (len > size)
374 len = size;
375
376 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
377 kfree(buf);
378
379 return retval;
380}
381
382static const struct file_operations fops_antenna_diversity = {
383 .read = read_file_antenna_diversity,
384 .open = simple_open,
385 .owner = THIS_MODULE,
386 .llseek = default_llseek,
387};
388
389static int read_file_dma(struct seq_file *file, void *data)
390{
391 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
392 struct ath_softc *sc = hw->priv;
393 struct ath_hw *ah = sc->sc_ah;
394 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
395 int i, qcuOffset = 0, dcuOffset = 0;
396 u32 *qcuBase = &val[0], *dcuBase = &val[4];
397
398 ath9k_ps_wakeup(sc);
399
400 REG_WRITE_D(ah, AR_MACMISC,
401 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
402 (AR_MACMISC_MISC_OBS_BUS_1 <<
403 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
404
405 seq_puts(file, "Raw DMA Debug values:\n");
406
407 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
408 if (i % 4 == 0)
409 seq_puts(file, "\n");
410
411 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
412 seq_printf(file, "%d: %08x ", i, val[i]);
413 }
414
415 seq_puts(file, "\n\n");
416 seq_puts(file, "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
417
418 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
419 if (i == 8) {
420 qcuOffset = 0;
421 qcuBase++;
422 }
423
424 if (i == 6) {
425 dcuOffset = 0;
426 dcuBase++;
427 }
428
429 seq_printf(file, "%2d %2x %1x %2x %2x\n",
430 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
431 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
432 (val[2] & (0x7 << (i * 3))) >> (i * 3),
433 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
434 }
435
436 seq_puts(file, "\n");
437
438 seq_printf(file, "qcu_stitch state: %2x qcu_fetch state: %2x\n",
439 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
440 seq_printf(file, "qcu_complete state: %2x dcu_complete state: %2x\n",
441 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
442 seq_printf(file, "dcu_arb state: %2x dcu_fp state: %2x\n",
443 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
444 seq_printf(file, "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
445 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
446 seq_printf(file, "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
447 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
448 seq_printf(file, "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
449 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
450
451 seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1));
452 seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
453
454 ath9k_ps_restore(sc);
455
456 return 0;
457}
458
459void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
460{
461 if (status)
462 sc->debug.stats.istats.total++;
463 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
464 if (status & ATH9K_INT_RXLP)
465 sc->debug.stats.istats.rxlp++;
466 if (status & ATH9K_INT_RXHP)
467 sc->debug.stats.istats.rxhp++;
468 if (status & ATH9K_INT_BB_WATCHDOG)
469 sc->debug.stats.istats.bb_watchdog++;
470 } else {
471 if (status & ATH9K_INT_RX)
472 sc->debug.stats.istats.rxok++;
473 }
474 if (status & ATH9K_INT_RXEOL)
475 sc->debug.stats.istats.rxeol++;
476 if (status & ATH9K_INT_RXORN)
477 sc->debug.stats.istats.rxorn++;
478 if (status & ATH9K_INT_TX)
479 sc->debug.stats.istats.txok++;
480 if (status & ATH9K_INT_TXURN)
481 sc->debug.stats.istats.txurn++;
482 if (status & ATH9K_INT_RXPHY)
483 sc->debug.stats.istats.rxphyerr++;
484 if (status & ATH9K_INT_RXKCM)
485 sc->debug.stats.istats.rx_keycache_miss++;
486 if (status & ATH9K_INT_SWBA)
487 sc->debug.stats.istats.swba++;
488 if (status & ATH9K_INT_BMISS)
489 sc->debug.stats.istats.bmiss++;
490 if (status & ATH9K_INT_BNR)
491 sc->debug.stats.istats.bnr++;
492 if (status & ATH9K_INT_CST)
493 sc->debug.stats.istats.cst++;
494 if (status & ATH9K_INT_GTT)
495 sc->debug.stats.istats.gtt++;
496 if (status & ATH9K_INT_TIM)
497 sc->debug.stats.istats.tim++;
498 if (status & ATH9K_INT_CABEND)
499 sc->debug.stats.istats.cabend++;
500 if (status & ATH9K_INT_DTIMSYNC)
501 sc->debug.stats.istats.dtimsync++;
502 if (status & ATH9K_INT_DTIM)
503 sc->debug.stats.istats.dtim++;
504 if (status & ATH9K_INT_TSFOOR)
505 sc->debug.stats.istats.tsfoor++;
506 if (status & ATH9K_INT_MCI)
507 sc->debug.stats.istats.mci++;
508 if (status & ATH9K_INT_GENTIMER)
509 sc->debug.stats.istats.gen_timer++;
510}
511
512static int read_file_interrupt(struct seq_file *file, void *data)
513{
514 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
515 struct ath_softc *sc = hw->priv;
516
517#define PR_IS(a, s) \
518 do { \
519 seq_printf(file, "%21s: %10u\n", a, \
520 sc->debug.stats.istats.s); \
521 } while (0)
522
523 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
524 PR_IS("RXLP", rxlp);
525 PR_IS("RXHP", rxhp);
526 PR_IS("WATCHDOG", bb_watchdog);
527 } else {
528 PR_IS("RX", rxok);
529 }
530 PR_IS("RXEOL", rxeol);
531 PR_IS("RXORN", rxorn);
532 PR_IS("TX", txok);
533 PR_IS("TXURN", txurn);
534 PR_IS("MIB", mib);
535 PR_IS("RXPHY", rxphyerr);
536 PR_IS("RXKCM", rx_keycache_miss);
537 PR_IS("SWBA", swba);
538 PR_IS("BMISS", bmiss);
539 PR_IS("BNR", bnr);
540 PR_IS("CST", cst);
541 PR_IS("GTT", gtt);
542 PR_IS("TIM", tim);
543 PR_IS("CABEND", cabend);
544 PR_IS("DTIMSYNC", dtimsync);
545 PR_IS("DTIM", dtim);
546 PR_IS("TSFOOR", tsfoor);
547 PR_IS("MCI", mci);
548 PR_IS("GENTIMER", gen_timer);
549 PR_IS("TOTAL", total);
550
551 seq_puts(file, "SYNC_CAUSE stats:\n");
552
553 PR_IS("Sync-All", sync_cause_all);
554 PR_IS("RTC-IRQ", sync_rtc_irq);
555 PR_IS("MAC-IRQ", sync_mac_irq);
556 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
557 PR_IS("APB-Timeout", apb_timeout);
558 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
559 PR_IS("HOST1-Fatal", host1_fatal);
560 PR_IS("HOST1-Perr", host1_perr);
561 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
562 PR_IS("RADM-CPL-EP", radm_cpl_ep);
563 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
564 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
565 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
566 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
567 PR_IS("Local-Bus-Timeout", local_timeout);
568 PR_IS("PM-Access", pm_access);
569 PR_IS("MAC-Awake", mac_awake);
570 PR_IS("MAC-Asleep", mac_asleep);
571 PR_IS("MAC-Sleep-Access", mac_sleep_access);
572
573 return 0;
574}
575
576static int read_file_xmit(struct seq_file *file, void *data)
577{
578 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
579 struct ath_softc *sc = hw->priv;
580
581 seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
582
583 PR("MPDUs Queued: ", queued);
584 PR("MPDUs Completed: ", completed);
585 PR("MPDUs XRetried: ", xretries);
586 PR("Aggregates: ", a_aggr);
587 PR("AMPDUs Queued HW:", a_queued_hw);
588 PR("AMPDUs Completed:", a_completed);
589 PR("AMPDUs Retried: ", a_retries);
590 PR("AMPDUs XRetried: ", a_xretries);
591 PR("TXERR Filtered: ", txerr_filtered);
592 PR("FIFO Underrun: ", fifo_underrun);
593 PR("TXOP Exceeded: ", xtxop);
594 PR("TXTIMER Expiry: ", timer_exp);
595 PR("DESC CFG Error: ", desc_cfg_err);
596 PR("DATA Underrun: ", data_underrun);
597 PR("DELIM Underrun: ", delim_underrun);
598 PR("TX-Pkts-All: ", tx_pkts_all);
599 PR("TX-Bytes-All: ", tx_bytes_all);
600 PR("HW-put-tx-buf: ", puttxbuf);
601 PR("HW-tx-start: ", txstart);
602 PR("HW-tx-proc-desc: ", txprocdesc);
603 PR("TX-Failed: ", txfailed);
604
605 return 0;
606}
607
608static void print_queue(struct ath_softc *sc, struct ath_txq *txq,
609 struct seq_file *file)
610{
611 ath_txq_lock(sc, txq);
612
613 seq_printf(file, "%s: %d ", "qnum", txq->axq_qnum);
614 seq_printf(file, "%s: %2d ", "qdepth", txq->axq_depth);
615 seq_printf(file, "%s: %2d ", "ampdu-depth", txq->axq_ampdu_depth);
616 seq_printf(file, "%s: %3d\n", "pending", txq->pending_frames);
617
618 ath_txq_unlock(sc, txq);
619}
620
621static int read_file_queues(struct seq_file *file, void *data)
622{
623 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
624 struct ath_softc *sc = hw->priv;
625 struct ath_txq *txq;
626 int i;
627 static const char *qname[4] = {
628 "VO", "VI", "BE", "BK"
629 };
630
631 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
632 txq = sc->tx.txq_map[i];
633 seq_printf(file, "(%s): ", qname[i]);
634 print_queue(sc, txq, file);
635 }
636
637 seq_puts(file, "(CAB): ");
638 print_queue(sc, sc->beacon.cabq, file);
639
640 return 0;
641}
642
643static int read_file_misc(struct seq_file *file, void *data)
644{
645 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
646 struct ath_softc *sc = hw->priv;
647 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
648 struct ath9k_vif_iter_data iter_data;
649 struct ath_chanctx *ctx;
650 unsigned int reg;
651 u32 rxfilter, i;
652
653 seq_printf(file, "BSSID: %pM\n", common->curbssid);
654 seq_printf(file, "BSSID-MASK: %pM\n", common->bssidmask);
655 seq_printf(file, "OPMODE: %s\n",
656 ath_opmode_to_string(sc->sc_ah->opmode));
657
658 ath9k_ps_wakeup(sc);
659 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
660 ath9k_ps_restore(sc);
661
662 seq_printf(file, "RXFILTER: 0x%x", rxfilter);
663
664 if (rxfilter & ATH9K_RX_FILTER_UCAST)
665 seq_puts(file, " UCAST");
666 if (rxfilter & ATH9K_RX_FILTER_MCAST)
667 seq_puts(file, " MCAST");
668 if (rxfilter & ATH9K_RX_FILTER_BCAST)
669 seq_puts(file, " BCAST");
670 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
671 seq_puts(file, " CONTROL");
672 if (rxfilter & ATH9K_RX_FILTER_BEACON)
673 seq_puts(file, " BEACON");
674 if (rxfilter & ATH9K_RX_FILTER_PROM)
675 seq_puts(file, " PROM");
676 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
677 seq_puts(file, " PROBEREQ");
678 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
679 seq_puts(file, " PHYERR");
680 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
681 seq_puts(file, " MYBEACON");
682 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
683 seq_puts(file, " COMP_BAR");
684 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
685 seq_puts(file, " PSPOLL");
686 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
687 seq_puts(file, " PHYRADAR");
688 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
689 seq_puts(file, " MCAST_BCAST_ALL");
690 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
691 seq_puts(file, " CONTROL_WRAPPER");
692
693 seq_puts(file, "\n");
694
695 reg = sc->sc_ah->imask;
696
697 seq_printf(file, "INTERRUPT-MASK: 0x%x", reg);
698
699 if (reg & ATH9K_INT_SWBA)
700 seq_puts(file, " SWBA");
701 if (reg & ATH9K_INT_BMISS)
702 seq_puts(file, " BMISS");
703 if (reg & ATH9K_INT_CST)
704 seq_puts(file, " CST");
705 if (reg & ATH9K_INT_RX)
706 seq_puts(file, " RX");
707 if (reg & ATH9K_INT_RXHP)
708 seq_puts(file, " RXHP");
709 if (reg & ATH9K_INT_RXLP)
710 seq_puts(file, " RXLP");
711 if (reg & ATH9K_INT_BB_WATCHDOG)
712 seq_puts(file, " BB_WATCHDOG");
713
714 seq_puts(file, "\n");
715
716 i = 0;
717 ath_for_each_chanctx(sc, ctx) {
718 if (list_empty(&ctx->vifs))
719 continue;
720 ath9k_calculate_iter_data(sc, ctx, &iter_data);
721
722 seq_printf(file,
723 "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i",
724 i++, (int)(ctx->assigned), iter_data.naps,
725 iter_data.nstations,
726 iter_data.nmeshes);
727 seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n",
728 iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs,
729 sc->nbcnvifs);
730 }
731
732 return 0;
733}
734
735static int read_file_reset(struct seq_file *file, void *data)
736{
737 struct ath_softc *sc = file->private;
738 static const char * const reset_cause[__RESET_TYPE_MAX] = {
739 [RESET_TYPE_USER] = "User reset",
740 [RESET_TYPE_BB_HANG] = "Baseband Hang",
741 [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog",
742 [RESET_TYPE_FATAL_INT] = "Fatal HW Error",
743 [RESET_TYPE_TX_ERROR] = "TX HW error",
744 [RESET_TYPE_TX_GTT] = "Transmit timeout",
745 [RESET_TYPE_TX_HANG] = "TX Path Hang",
746 [RESET_TYPE_PLL_HANG] = "PLL RX Hang",
747 [RESET_TYPE_MAC_HANG] = "MAC Hang",
748 [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon",
749 [RESET_TYPE_MCI] = "MCI Reset",
750 [RESET_TYPE_CALIBRATION] = "Calibration error",
751 [RESET_TX_DMA_ERROR] = "Tx DMA stop error",
752 [RESET_RX_DMA_ERROR] = "Rx DMA stop error",
753 };
754 int i;
755
756 for (i = 0; i < ARRAY_SIZE(reset_cause); i++) {
757 if (!reset_cause[i])
758 continue;
759
760 seq_printf(file, "%17s: %2d\n", reset_cause[i],
761 sc->debug.stats.reset[i]);
762 }
763
764 return 0;
765}
766
767static int open_file_reset(struct inode *inode, struct file *f)
768{
769 return single_open(f, read_file_reset, inode->i_private);
770}
771
772static ssize_t write_file_reset(struct file *file,
773 const char __user *user_buf,
774 size_t count, loff_t *ppos)
775{
776 struct ath_softc *sc = file_inode(file)->i_private;
777 struct ath_hw *ah = sc->sc_ah;
778 struct ath_common *common = ath9k_hw_common(ah);
779 unsigned long val;
780 ssize_t ret;
781
782 ret = kstrtoul_from_user(user_buf, count, 0, &val);
783 if (ret)
784 return ret;
785
786 if (val != 1)
787 return -EINVAL;
788
789 /* avoid rearming hw_reset_work on shutdown */
790 mutex_lock(&sc->mutex);
791 if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
792 mutex_unlock(&sc->mutex);
793 return -EBUSY;
794 }
795
796 ath9k_queue_reset(sc, RESET_TYPE_USER);
797 mutex_unlock(&sc->mutex);
798
799 return count;
800}
801
802static const struct file_operations fops_reset = {
803 .read = seq_read,
804 .write = write_file_reset,
805 .open = open_file_reset,
806 .owner = THIS_MODULE,
807 .llseek = seq_lseek,
808 .release = single_release,
809};
810
811void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
812 struct ath_tx_status *ts, struct ath_txq *txq,
813 unsigned int flags)
814{
815 int qnum = txq->axq_qnum;
816
817 TX_STAT_INC(sc, qnum, tx_pkts_all);
818 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
819
820 if (bf_isampdu(bf)) {
821 if (flags & ATH_TX_ERROR)
822 TX_STAT_INC(sc, qnum, a_xretries);
823 else
824 TX_STAT_INC(sc, qnum, a_completed);
825 } else {
826 if (ts->ts_status & ATH9K_TXERR_XRETRY)
827 TX_STAT_INC(sc, qnum, xretries);
828 else
829 TX_STAT_INC(sc, qnum, completed);
830 }
831
832 if (ts->ts_status & ATH9K_TXERR_FILT)
833 TX_STAT_INC(sc, qnum, txerr_filtered);
834 if (ts->ts_status & ATH9K_TXERR_FIFO)
835 TX_STAT_INC(sc, qnum, fifo_underrun);
836 if (ts->ts_status & ATH9K_TXERR_XTXOP)
837 TX_STAT_INC(sc, qnum, xtxop);
838 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
839 TX_STAT_INC(sc, qnum, timer_exp);
840 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
841 TX_STAT_INC(sc, qnum, desc_cfg_err);
842 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
843 TX_STAT_INC(sc, qnum, data_underrun);
844 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
845 TX_STAT_INC(sc, qnum, delim_underrun);
846}
847
848void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
849{
850 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);
851}
852
853static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
854 size_t count, loff_t *ppos)
855{
856 struct ath_softc *sc = file->private_data;
857 char buf[32];
858 unsigned int len;
859
860 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
861 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
862}
863
864static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
865 size_t count, loff_t *ppos)
866{
867 struct ath_softc *sc = file->private_data;
868 unsigned long regidx;
869 ssize_t ret;
870
871 ret = kstrtoul_from_user(user_buf, count, 0, ®idx);
872 if (ret)
873 return ret;
874
875 sc->debug.regidx = regidx;
876 return count;
877}
878
879static const struct file_operations fops_regidx = {
880 .read = read_file_regidx,
881 .write = write_file_regidx,
882 .open = simple_open,
883 .owner = THIS_MODULE,
884 .llseek = default_llseek,
885};
886
887static ssize_t read_file_regval(struct file *file, char __user *user_buf,
888 size_t count, loff_t *ppos)
889{
890 struct ath_softc *sc = file->private_data;
891 struct ath_hw *ah = sc->sc_ah;
892 char buf[32];
893 unsigned int len;
894 u32 regval;
895
896 ath9k_ps_wakeup(sc);
897 regval = REG_READ_D(ah, sc->debug.regidx);
898 ath9k_ps_restore(sc);
899 len = sprintf(buf, "0x%08x\n", regval);
900 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
901}
902
903static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
904 size_t count, loff_t *ppos)
905{
906 struct ath_softc *sc = file->private_data;
907 struct ath_hw *ah = sc->sc_ah;
908 unsigned long regval;
909 ssize_t ret;
910
911 ret = kstrtoul_from_user(user_buf, count, 0, ®val);
912 if (ret)
913 return ret;
914
915 ath9k_ps_wakeup(sc);
916 REG_WRITE_D(ah, sc->debug.regidx, regval);
917 ath9k_ps_restore(sc);
918 return count;
919}
920
921static const struct file_operations fops_regval = {
922 .read = read_file_regval,
923 .write = write_file_regval,
924 .open = simple_open,
925 .owner = THIS_MODULE,
926 .llseek = default_llseek,
927};
928
929#define REGDUMP_LINE_SIZE 20
930
931static int open_file_regdump(struct inode *inode, struct file *file)
932{
933 struct ath_softc *sc = inode->i_private;
934 unsigned int len = 0;
935 u8 *buf;
936 int i, j = 0;
937 unsigned long num_regs, regdump_len, max_reg_offset;
938 static const struct reg_hole {
939 u32 start;
940 u32 end;
941 } reg_hole_list[] = {
942 {0x0200, 0x07fc},
943 {0x0c00, 0x0ffc},
944 {0x2000, 0x3ffc},
945 {0x4100, 0x6ffc},
946 {0x705c, 0x7ffc},
947 {0x0000, 0x0000}
948 };
949
950 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x8800 : 0xb500;
951 num_regs = max_reg_offset / 4 + 1;
952 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
953 buf = vmalloc(regdump_len);
954 if (!buf)
955 return -ENOMEM;
956
957 ath9k_ps_wakeup(sc);
958 for (i = 0; i < num_regs; i++) {
959 if (reg_hole_list[j].start == i << 2) {
960 i = reg_hole_list[j].end >> 2;
961 j++;
962 continue;
963 }
964
965 len += scnprintf(buf + len, regdump_len - len,
966 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
967 }
968 ath9k_ps_restore(sc);
969
970 file->private_data = buf;
971
972 return 0;
973}
974
975static const struct file_operations fops_regdump = {
976 .open = open_file_regdump,
977 .read = ath9k_debugfs_read_buf,
978 .release = ath9k_debugfs_release_buf,
979 .owner = THIS_MODULE,
980 .llseek = default_llseek,/* read accesses f_pos */
981};
982
983static int read_file_dump_nfcal(struct seq_file *file, void *data)
984{
985 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
986 struct ath_softc *sc = hw->priv;
987 struct ath_hw *ah = sc->sc_ah;
988 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist;
989 struct ath_common *common = ath9k_hw_common(ah);
990 struct ieee80211_conf *conf = &common->hw->conf;
991 u32 i, j;
992 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
993 u8 nread;
994
995 seq_printf(file, "Channel Noise Floor : %d\n", ah->noise);
996 seq_puts(file, "Chain | privNF | # Readings | NF Readings\n");
997 for (i = 0; i < NUM_NF_READINGS; i++) {
998 if (!(chainmask & (1 << i)) ||
999 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1000 continue;
1001
1002 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1003 seq_printf(file, " %d\t %d\t %d\t\t", i, h[i].privNF, nread);
1004 for (j = 0; j < nread; j++)
1005 seq_printf(file, " %d", h[i].nfCalBuffer[j]);
1006 seq_puts(file, "\n");
1007 }
1008
1009 return 0;
1010}
1011
1012#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1013static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1014 size_t count, loff_t *ppos)
1015{
1016 struct ath_softc *sc = file->private_data;
1017 u32 len = 0, size = 1500;
1018 char *buf;
1019 size_t retval;
1020
1021 buf = kzalloc(size, GFP_KERNEL);
1022 if (buf == NULL)
1023 return -ENOMEM;
1024
1025 if (!sc->sc_ah->common.btcoex_enabled) {
1026 len = scnprintf(buf, size, "%s\n",
1027 "BTCOEX is disabled");
1028 goto exit;
1029 }
1030
1031 len = ath9k_dump_btcoex(sc, buf, size);
1032exit:
1033 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1034 kfree(buf);
1035
1036 return retval;
1037}
1038
1039static const struct file_operations fops_btcoex = {
1040 .read = read_file_btcoex,
1041 .open = simple_open,
1042 .owner = THIS_MODULE,
1043 .llseek = default_llseek,
1044};
1045#endif
1046
1047#ifdef CONFIG_ATH9K_DYNACK
1048static ssize_t read_file_ackto(struct file *file, char __user *user_buf,
1049 size_t count, loff_t *ppos)
1050{
1051 struct ath_softc *sc = file->private_data;
1052 struct ath_hw *ah = sc->sc_ah;
1053 char buf[32];
1054 unsigned int len;
1055
1056 len = sprintf(buf, "%u %c\n", ah->dynack.ackto,
1057 (ah->dynack.enabled) ? 'A' : 'S');
1058
1059 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1060}
1061
1062static const struct file_operations fops_ackto = {
1063 .read = read_file_ackto,
1064 .open = simple_open,
1065 .owner = THIS_MODULE,
1066 .llseek = default_llseek,
1067};
1068#endif
1069
1070#ifdef CONFIG_ATH9K_WOW
1071
1072static ssize_t read_file_wow(struct file *file, char __user *user_buf,
1073 size_t count, loff_t *ppos)
1074{
1075 struct ath_softc *sc = file->private_data;
1076 unsigned int len = 0, size = 32;
1077 ssize_t retval;
1078 char *buf;
1079
1080 buf = kzalloc(size, GFP_KERNEL);
1081 if (!buf)
1082 return -ENOMEM;
1083
1084 len += scnprintf(buf + len, size - len, "WOW: %s\n",
1085 sc->force_wow ? "ENABLED" : "DISABLED");
1086
1087 if (len > size)
1088 len = size;
1089
1090 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1091 kfree(buf);
1092
1093 return retval;
1094}
1095
1096static ssize_t write_file_wow(struct file *file, const char __user *user_buf,
1097 size_t count, loff_t *ppos)
1098{
1099 struct ath_softc *sc = file->private_data;
1100 unsigned long val;
1101 ssize_t ret;
1102
1103 ret = kstrtoul_from_user(user_buf, count, 0, &val);
1104 if (ret)
1105 return ret;
1106
1107 if (val != 1)
1108 return -EINVAL;
1109
1110 if (!sc->force_wow) {
1111 sc->force_wow = true;
1112 ath9k_init_wow(sc->hw);
1113 }
1114
1115 return count;
1116}
1117
1118static const struct file_operations fops_wow = {
1119 .read = read_file_wow,
1120 .write = write_file_wow,
1121 .open = simple_open,
1122 .owner = THIS_MODULE,
1123 .llseek = default_llseek,
1124};
1125
1126#endif
1127
1128static ssize_t read_file_tpc(struct file *file, char __user *user_buf,
1129 size_t count, loff_t *ppos)
1130{
1131 struct ath_softc *sc = file->private_data;
1132 struct ath_hw *ah = sc->sc_ah;
1133 unsigned int len = 0, size = 32;
1134 ssize_t retval;
1135 char *buf;
1136
1137 buf = kzalloc(size, GFP_KERNEL);
1138 if (!buf)
1139 return -ENOMEM;
1140
1141 len += scnprintf(buf + len, size - len, "%s\n",
1142 ah->tpc_enabled ? "ENABLED" : "DISABLED");
1143
1144 if (len > size)
1145 len = size;
1146
1147 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1148 kfree(buf);
1149
1150 return retval;
1151}
1152
1153static ssize_t write_file_tpc(struct file *file, const char __user *user_buf,
1154 size_t count, loff_t *ppos)
1155{
1156 struct ath_softc *sc = file->private_data;
1157 struct ath_hw *ah = sc->sc_ah;
1158 unsigned long val;
1159 ssize_t ret;
1160 bool tpc_enabled;
1161
1162 ret = kstrtoul_from_user(user_buf, count, 0, &val);
1163 if (ret)
1164 return ret;
1165
1166 if (val > 1)
1167 return -EINVAL;
1168
1169 tpc_enabled = !!val;
1170
1171 if (tpc_enabled != ah->tpc_enabled) {
1172 ah->tpc_enabled = tpc_enabled;
1173
1174 mutex_lock(&sc->mutex);
1175 ath9k_set_txpower(sc, NULL);
1176 mutex_unlock(&sc->mutex);
1177 }
1178
1179 return count;
1180}
1181
1182static const struct file_operations fops_tpc = {
1183 .read = read_file_tpc,
1184 .write = write_file_tpc,
1185 .open = simple_open,
1186 .owner = THIS_MODULE,
1187 .llseek = default_llseek,
1188};
1189
1190static ssize_t read_file_nf_override(struct file *file,
1191 char __user *user_buf,
1192 size_t count, loff_t *ppos)
1193{
1194 struct ath_softc *sc = file->private_data;
1195 struct ath_hw *ah = sc->sc_ah;
1196 char buf[32];
1197 unsigned int len;
1198
1199 if (ah->nf_override == 0)
1200 len = sprintf(buf, "off\n");
1201 else
1202 len = sprintf(buf, "%d\n", ah->nf_override);
1203
1204 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1205}
1206
1207static ssize_t write_file_nf_override(struct file *file,
1208 const char __user *user_buf,
1209 size_t count, loff_t *ppos)
1210{
1211 struct ath_softc *sc = file->private_data;
1212 struct ath_hw *ah = sc->sc_ah;
1213 long val;
1214 char buf[32];
1215 ssize_t len;
1216
1217 len = min(count, sizeof(buf) - 1);
1218 if (copy_from_user(buf, user_buf, len))
1219 return -EFAULT;
1220
1221 buf[len] = '\0';
1222 if (strncmp("off", buf, 3) == 0)
1223 val = 0;
1224 else if (kstrtol(buf, 0, &val))
1225 return -EINVAL;
1226
1227 if (val > 0)
1228 return -EINVAL;
1229
1230 if (val < -120)
1231 return -EINVAL;
1232
1233 ah->nf_override = val;
1234
1235 if (ah->curchan) {
1236 ath9k_ps_wakeup(sc);
1237 ath9k_hw_loadnf(ah, ah->curchan);
1238 ath9k_ps_restore(sc);
1239 }
1240
1241 return count;
1242}
1243
1244static const struct file_operations fops_nf_override = {
1245 .read = read_file_nf_override,
1246 .write = write_file_nf_override,
1247 .open = simple_open,
1248 .owner = THIS_MODULE,
1249 .llseek = default_llseek,
1250};
1251
1252/* Ethtool support for get-stats */
1253
1254#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1255static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1256 "tx_pkts_nic",
1257 "tx_bytes_nic",
1258 "rx_pkts_nic",
1259 "rx_bytes_nic",
1260 AMKSTR(d_tx_pkts),
1261 AMKSTR(d_tx_bytes),
1262 AMKSTR(d_tx_mpdus_queued),
1263 AMKSTR(d_tx_mpdus_completed),
1264 AMKSTR(d_tx_mpdu_xretries),
1265 AMKSTR(d_tx_aggregates),
1266 AMKSTR(d_tx_ampdus_queued_hw),
1267 AMKSTR(d_tx_ampdus_completed),
1268 AMKSTR(d_tx_ampdu_retries),
1269 AMKSTR(d_tx_ampdu_xretries),
1270 AMKSTR(d_tx_fifo_underrun),
1271 AMKSTR(d_tx_op_exceeded),
1272 AMKSTR(d_tx_timer_expiry),
1273 AMKSTR(d_tx_desc_cfg_err),
1274 AMKSTR(d_tx_data_underrun),
1275 AMKSTR(d_tx_delim_underrun),
1276 "d_rx_crc_err",
1277 "d_rx_decrypt_crc_err",
1278 "d_rx_phy_err",
1279 "d_rx_mic_err",
1280 "d_rx_pre_delim_crc_err",
1281 "d_rx_post_delim_crc_err",
1282 "d_rx_decrypt_busy_err",
1283
1284 "d_rx_phyerr_radar",
1285 "d_rx_phyerr_ofdm_timing",
1286 "d_rx_phyerr_cck_timing",
1287
1288};
1289#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1290
1291void ath9k_get_et_strings(struct ieee80211_hw *hw,
1292 struct ieee80211_vif *vif,
1293 u32 sset, u8 *data)
1294{
1295 if (sset == ETH_SS_STATS)
1296 memcpy(data, ath9k_gstrings_stats,
1297 sizeof(ath9k_gstrings_stats));
1298}
1299
1300int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1301 struct ieee80211_vif *vif, int sset)
1302{
1303 if (sset == ETH_SS_STATS)
1304 return ATH9K_SSTATS_LEN;
1305 return 0;
1306}
1307
1308#define AWDATA(elem) \
1309 do { \
1310 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1311 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1312 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1313 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1314 } while (0)
1315
1316#define AWDATA_RX(elem) \
1317 do { \
1318 data[i++] = sc->debug.stats.rxstats.elem; \
1319 } while (0)
1320
1321void ath9k_get_et_stats(struct ieee80211_hw *hw,
1322 struct ieee80211_vif *vif,
1323 struct ethtool_stats *stats, u64 *data)
1324{
1325 struct ath_softc *sc = hw->priv;
1326 int i = 0;
1327
1328 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1329 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1330 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1331 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1332 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1333 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1334 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1335 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1336 AWDATA_RX(rx_pkts_all);
1337 AWDATA_RX(rx_bytes_all);
1338
1339 AWDATA(tx_pkts_all);
1340 AWDATA(tx_bytes_all);
1341 AWDATA(queued);
1342 AWDATA(completed);
1343 AWDATA(xretries);
1344 AWDATA(a_aggr);
1345 AWDATA(a_queued_hw);
1346 AWDATA(a_completed);
1347 AWDATA(a_retries);
1348 AWDATA(a_xretries);
1349 AWDATA(fifo_underrun);
1350 AWDATA(xtxop);
1351 AWDATA(timer_exp);
1352 AWDATA(desc_cfg_err);
1353 AWDATA(data_underrun);
1354 AWDATA(delim_underrun);
1355
1356 AWDATA_RX(crc_err);
1357 AWDATA_RX(decrypt_crc_err);
1358 AWDATA_RX(phy_err);
1359 AWDATA_RX(mic_err);
1360 AWDATA_RX(pre_delim_crc_err);
1361 AWDATA_RX(post_delim_crc_err);
1362 AWDATA_RX(decrypt_busy_err);
1363
1364 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1365 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1366 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1367
1368 WARN_ON(i != ATH9K_SSTATS_LEN);
1369}
1370
1371void ath9k_deinit_debug(struct ath_softc *sc)
1372{
1373 ath9k_cmn_spectral_deinit_debug(&sc->spec_priv);
1374}
1375
1376int ath9k_init_debug(struct ath_hw *ah)
1377{
1378 struct ath_common *common = ath9k_hw_common(ah);
1379 struct ath_softc *sc = common->priv;
1380
1381 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1382 sc->hw->wiphy->debugfsdir);
1383 if (IS_ERR(sc->debug.debugfs_phy))
1384 return -ENOMEM;
1385
1386#ifdef CONFIG_ATH_DEBUG
1387 debugfs_create_file("debug", 0600, sc->debug.debugfs_phy,
1388 sc, &fops_debug);
1389#endif
1390
1391 ath9k_dfs_init_debug(sc);
1392 ath9k_tx99_init_debug(sc);
1393 ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy);
1394
1395 debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
1396 read_file_dma);
1397 debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
1398 read_file_interrupt);
1399 debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy,
1400 read_file_xmit);
1401 debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy,
1402 read_file_queues);
1403 debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy,
1404 read_file_misc);
1405 debugfs_create_file("reset", 0600, sc->debug.debugfs_phy,
1406 sc, &fops_reset);
1407
1408 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1409 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1410
1411 debugfs_create_u8("rx_chainmask", 0400, sc->debug.debugfs_phy,
1412 &ah->rxchainmask);
1413 debugfs_create_u8("tx_chainmask", 0400, sc->debug.debugfs_phy,
1414 &ah->txchainmask);
1415 debugfs_create_file("ani", 0600,
1416 sc->debug.debugfs_phy, sc, &fops_ani);
1417 debugfs_create_bool("paprd", 0600, sc->debug.debugfs_phy,
1418 &sc->sc_ah->config.enable_paprd);
1419 debugfs_create_file("regidx", 0600, sc->debug.debugfs_phy,
1420 sc, &fops_regidx);
1421 debugfs_create_file("regval", 0600, sc->debug.debugfs_phy,
1422 sc, &fops_regval);
1423 debugfs_create_bool("ignore_extcca", 0600,
1424 sc->debug.debugfs_phy,
1425 &ah->config.cwm_ignore_extcca);
1426 debugfs_create_file("regdump", 0400, sc->debug.debugfs_phy, sc,
1427 &fops_regdump);
1428 debugfs_create_devm_seqfile(sc->dev, "dump_nfcal",
1429 sc->debug.debugfs_phy,
1430 read_file_dump_nfcal);
1431
1432 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1433 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1434
1435 debugfs_create_u32("gpio_mask", 0600,
1436 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1437 debugfs_create_u32("gpio_val", 0600,
1438 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1439 debugfs_create_file("antenna_diversity", 0400,
1440 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1441#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1442 debugfs_create_file("bt_ant_diversity", 0600,
1443 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1444 debugfs_create_file("btcoex", 0400, sc->debug.debugfs_phy, sc,
1445 &fops_btcoex);
1446#endif
1447
1448#ifdef CONFIG_ATH9K_WOW
1449 debugfs_create_file("wow", 0600, sc->debug.debugfs_phy, sc, &fops_wow);
1450#endif
1451
1452#ifdef CONFIG_ATH9K_DYNACK
1453 debugfs_create_file("ack_to", 0400, sc->debug.debugfs_phy,
1454 sc, &fops_ackto);
1455#endif
1456 debugfs_create_file("tpc", 0600, sc->debug.debugfs_phy, sc, &fops_tpc);
1457
1458 debugfs_create_file("nf_override", 0600,
1459 sc->debug.debugfs_phy, sc, &fops_nf_override);
1460
1461 return 0;
1462}
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
29void 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
71static 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
78static 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
86static 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
98static 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
119static 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
132static 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_spurdown },
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
177exit:
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
187static 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
220static 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
230static 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
243static 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);
271exit:
272 return count;
273}
274
275static 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
285void 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
299static 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
387exit:
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
397static 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
404static int read_file_dma(struct seq_file *file, void *data)
405{
406 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
407 struct ath_softc *sc = hw->priv;
408 struct ath_hw *ah = sc->sc_ah;
409 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
410 int i, qcuOffset = 0, dcuOffset = 0;
411 u32 *qcuBase = &val[0], *dcuBase = &val[4];
412
413 ath9k_ps_wakeup(sc);
414
415 REG_WRITE_D(ah, AR_MACMISC,
416 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
417 (AR_MACMISC_MISC_OBS_BUS_1 <<
418 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
419
420 seq_puts(file, "Raw DMA Debug values:\n");
421
422 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
423 if (i % 4 == 0)
424 seq_puts(file, "\n");
425
426 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
427 seq_printf(file, "%d: %08x ", i, val[i]);
428 }
429
430 seq_puts(file, "\n\n");
431 seq_puts(file, "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
432
433 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
434 if (i == 8) {
435 qcuOffset = 0;
436 qcuBase++;
437 }
438
439 if (i == 6) {
440 dcuOffset = 0;
441 dcuBase++;
442 }
443
444 seq_printf(file, "%2d %2x %1x %2x %2x\n",
445 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
446 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
447 (val[2] & (0x7 << (i * 3))) >> (i * 3),
448 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
449 }
450
451 seq_puts(file, "\n");
452
453 seq_printf(file, "qcu_stitch state: %2x qcu_fetch state: %2x\n",
454 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
455 seq_printf(file, "qcu_complete state: %2x dcu_complete state: %2x\n",
456 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
457 seq_printf(file, "dcu_arb state: %2x dcu_fp state: %2x\n",
458 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
459 seq_printf(file, "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
460 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
461 seq_printf(file, "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
462 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
463 seq_printf(file, "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
464 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
465
466 seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1));
467 seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
468
469 ath9k_ps_restore(sc);
470
471 return 0;
472}
473
474void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
475{
476 if (status)
477 sc->debug.stats.istats.total++;
478 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
479 if (status & ATH9K_INT_RXLP)
480 sc->debug.stats.istats.rxlp++;
481 if (status & ATH9K_INT_RXHP)
482 sc->debug.stats.istats.rxhp++;
483 if (status & ATH9K_INT_BB_WATCHDOG)
484 sc->debug.stats.istats.bb_watchdog++;
485 } else {
486 if (status & ATH9K_INT_RX)
487 sc->debug.stats.istats.rxok++;
488 }
489 if (status & ATH9K_INT_RXEOL)
490 sc->debug.stats.istats.rxeol++;
491 if (status & ATH9K_INT_RXORN)
492 sc->debug.stats.istats.rxorn++;
493 if (status & ATH9K_INT_TX)
494 sc->debug.stats.istats.txok++;
495 if (status & ATH9K_INT_TXURN)
496 sc->debug.stats.istats.txurn++;
497 if (status & ATH9K_INT_RXPHY)
498 sc->debug.stats.istats.rxphyerr++;
499 if (status & ATH9K_INT_RXKCM)
500 sc->debug.stats.istats.rx_keycache_miss++;
501 if (status & ATH9K_INT_SWBA)
502 sc->debug.stats.istats.swba++;
503 if (status & ATH9K_INT_BMISS)
504 sc->debug.stats.istats.bmiss++;
505 if (status & ATH9K_INT_BNR)
506 sc->debug.stats.istats.bnr++;
507 if (status & ATH9K_INT_CST)
508 sc->debug.stats.istats.cst++;
509 if (status & ATH9K_INT_GTT)
510 sc->debug.stats.istats.gtt++;
511 if (status & ATH9K_INT_TIM)
512 sc->debug.stats.istats.tim++;
513 if (status & ATH9K_INT_CABEND)
514 sc->debug.stats.istats.cabend++;
515 if (status & ATH9K_INT_DTIMSYNC)
516 sc->debug.stats.istats.dtimsync++;
517 if (status & ATH9K_INT_DTIM)
518 sc->debug.stats.istats.dtim++;
519 if (status & ATH9K_INT_TSFOOR)
520 sc->debug.stats.istats.tsfoor++;
521 if (status & ATH9K_INT_MCI)
522 sc->debug.stats.istats.mci++;
523 if (status & ATH9K_INT_GENTIMER)
524 sc->debug.stats.istats.gen_timer++;
525}
526
527static int read_file_interrupt(struct seq_file *file, void *data)
528{
529 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
530 struct ath_softc *sc = hw->priv;
531
532#define PR_IS(a, s) \
533 do { \
534 seq_printf(file, "%21s: %10u\n", a, \
535 sc->debug.stats.istats.s); \
536 } while (0)
537
538 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
539 PR_IS("RXLP", rxlp);
540 PR_IS("RXHP", rxhp);
541 PR_IS("WATCHDOG", bb_watchdog);
542 } else {
543 PR_IS("RX", rxok);
544 }
545 PR_IS("RXEOL", rxeol);
546 PR_IS("RXORN", rxorn);
547 PR_IS("TX", txok);
548 PR_IS("TXURN", txurn);
549 PR_IS("MIB", mib);
550 PR_IS("RXPHY", rxphyerr);
551 PR_IS("RXKCM", rx_keycache_miss);
552 PR_IS("SWBA", swba);
553 PR_IS("BMISS", bmiss);
554 PR_IS("BNR", bnr);
555 PR_IS("CST", cst);
556 PR_IS("GTT", gtt);
557 PR_IS("TIM", tim);
558 PR_IS("CABEND", cabend);
559 PR_IS("DTIMSYNC", dtimsync);
560 PR_IS("DTIM", dtim);
561 PR_IS("TSFOOR", tsfoor);
562 PR_IS("MCI", mci);
563 PR_IS("GENTIMER", gen_timer);
564 PR_IS("TOTAL", total);
565
566 seq_puts(file, "SYNC_CAUSE stats:\n");
567
568 PR_IS("Sync-All", sync_cause_all);
569 PR_IS("RTC-IRQ", sync_rtc_irq);
570 PR_IS("MAC-IRQ", sync_mac_irq);
571 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
572 PR_IS("APB-Timeout", apb_timeout);
573 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
574 PR_IS("HOST1-Fatal", host1_fatal);
575 PR_IS("HOST1-Perr", host1_perr);
576 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
577 PR_IS("RADM-CPL-EP", radm_cpl_ep);
578 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
579 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
580 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
581 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
582 PR_IS("Local-Bus-Timeout", local_timeout);
583 PR_IS("PM-Access", pm_access);
584 PR_IS("MAC-Awake", mac_awake);
585 PR_IS("MAC-Asleep", mac_asleep);
586 PR_IS("MAC-Sleep-Access", mac_sleep_access);
587
588 return 0;
589}
590
591static int read_file_xmit(struct seq_file *file, void *data)
592{
593 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
594 struct ath_softc *sc = hw->priv;
595
596 seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
597
598 PR("MPDUs Queued: ", queued);
599 PR("MPDUs Completed: ", completed);
600 PR("MPDUs XRetried: ", xretries);
601 PR("Aggregates: ", a_aggr);
602 PR("AMPDUs Queued HW:", a_queued_hw);
603 PR("AMPDUs Completed:", a_completed);
604 PR("AMPDUs Retried: ", a_retries);
605 PR("AMPDUs XRetried: ", a_xretries);
606 PR("TXERR Filtered: ", txerr_filtered);
607 PR("FIFO Underrun: ", fifo_underrun);
608 PR("TXOP Exceeded: ", xtxop);
609 PR("TXTIMER Expiry: ", timer_exp);
610 PR("DESC CFG Error: ", desc_cfg_err);
611 PR("DATA Underrun: ", data_underrun);
612 PR("DELIM Underrun: ", delim_underrun);
613 PR("TX-Pkts-All: ", tx_pkts_all);
614 PR("TX-Bytes-All: ", tx_bytes_all);
615 PR("HW-put-tx-buf: ", puttxbuf);
616 PR("HW-tx-start: ", txstart);
617 PR("HW-tx-proc-desc: ", txprocdesc);
618 PR("TX-Failed: ", txfailed);
619
620 return 0;
621}
622
623static void print_queue(struct ath_softc *sc, struct ath_txq *txq,
624 struct seq_file *file)
625{
626 ath_txq_lock(sc, txq);
627
628 seq_printf(file, "%s: %d ", "qnum", txq->axq_qnum);
629 seq_printf(file, "%s: %2d ", "qdepth", txq->axq_depth);
630 seq_printf(file, "%s: %2d ", "ampdu-depth", txq->axq_ampdu_depth);
631 seq_printf(file, "%s: %3d\n", "pending", txq->pending_frames);
632
633 ath_txq_unlock(sc, txq);
634}
635
636static int read_file_queues(struct seq_file *file, void *data)
637{
638 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
639 struct ath_softc *sc = hw->priv;
640 struct ath_txq *txq;
641 int i;
642 static const char *qname[4] = {
643 "VO", "VI", "BE", "BK"
644 };
645
646 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
647 txq = sc->tx.txq_map[i];
648 seq_printf(file, "(%s): ", qname[i]);
649 print_queue(sc, txq, file);
650 }
651
652 seq_puts(file, "(CAB): ");
653 print_queue(sc, sc->beacon.cabq, file);
654
655 return 0;
656}
657
658static int read_file_misc(struct seq_file *file, void *data)
659{
660 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
661 struct ath_softc *sc = hw->priv;
662 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
663 struct ath9k_vif_iter_data iter_data;
664 struct ath_chanctx *ctx;
665 unsigned int reg;
666 u32 rxfilter, i;
667
668 seq_printf(file, "BSSID: %pM\n", common->curbssid);
669 seq_printf(file, "BSSID-MASK: %pM\n", common->bssidmask);
670 seq_printf(file, "OPMODE: %s\n",
671 ath_opmode_to_string(sc->sc_ah->opmode));
672
673 ath9k_ps_wakeup(sc);
674 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
675 ath9k_ps_restore(sc);
676
677 seq_printf(file, "RXFILTER: 0x%x", rxfilter);
678
679 if (rxfilter & ATH9K_RX_FILTER_UCAST)
680 seq_puts(file, " UCAST");
681 if (rxfilter & ATH9K_RX_FILTER_MCAST)
682 seq_puts(file, " MCAST");
683 if (rxfilter & ATH9K_RX_FILTER_BCAST)
684 seq_puts(file, " BCAST");
685 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
686 seq_puts(file, " CONTROL");
687 if (rxfilter & ATH9K_RX_FILTER_BEACON)
688 seq_puts(file, " BEACON");
689 if (rxfilter & ATH9K_RX_FILTER_PROM)
690 seq_puts(file, " PROM");
691 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
692 seq_puts(file, " PROBEREQ");
693 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
694 seq_puts(file, " PHYERR");
695 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
696 seq_puts(file, " MYBEACON");
697 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
698 seq_puts(file, " COMP_BAR");
699 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
700 seq_puts(file, " PSPOLL");
701 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
702 seq_puts(file, " PHYRADAR");
703 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
704 seq_puts(file, " MCAST_BCAST_ALL");
705 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
706 seq_puts(file, " CONTROL_WRAPPER");
707
708 seq_puts(file, "\n");
709
710 reg = sc->sc_ah->imask;
711
712 seq_printf(file, "INTERRUPT-MASK: 0x%x", reg);
713
714 if (reg & ATH9K_INT_SWBA)
715 seq_puts(file, " SWBA");
716 if (reg & ATH9K_INT_BMISS)
717 seq_puts(file, " BMISS");
718 if (reg & ATH9K_INT_CST)
719 seq_puts(file, " CST");
720 if (reg & ATH9K_INT_RX)
721 seq_puts(file, " RX");
722 if (reg & ATH9K_INT_RXHP)
723 seq_puts(file, " RXHP");
724 if (reg & ATH9K_INT_RXLP)
725 seq_puts(file, " RXLP");
726 if (reg & ATH9K_INT_BB_WATCHDOG)
727 seq_puts(file, " BB_WATCHDOG");
728
729 seq_puts(file, "\n");
730
731 i = 0;
732 ath_for_each_chanctx(sc, ctx) {
733 if (list_empty(&ctx->vifs))
734 continue;
735 ath9k_calculate_iter_data(sc, ctx, &iter_data);
736
737 seq_printf(file,
738 "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i",
739 i++, (int)(ctx->assigned), iter_data.naps,
740 iter_data.nstations,
741 iter_data.nmeshes);
742 seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n",
743 iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs,
744 sc->nbcnvifs);
745 }
746
747 return 0;
748}
749
750static int read_file_reset(struct seq_file *file, void *data)
751{
752 struct ath_softc *sc = file->private;
753 static const char * const reset_cause[__RESET_TYPE_MAX] = {
754 [RESET_TYPE_USER] = "User reset",
755 [RESET_TYPE_BB_HANG] = "Baseband Hang",
756 [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog",
757 [RESET_TYPE_FATAL_INT] = "Fatal HW Error",
758 [RESET_TYPE_TX_ERROR] = "TX HW error",
759 [RESET_TYPE_TX_GTT] = "Transmit timeout",
760 [RESET_TYPE_TX_HANG] = "TX Path Hang",
761 [RESET_TYPE_PLL_HANG] = "PLL RX Hang",
762 [RESET_TYPE_MAC_HANG] = "MAC Hang",
763 [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon",
764 [RESET_TYPE_MCI] = "MCI Reset",
765 [RESET_TYPE_CALIBRATION] = "Calibration error",
766 [RESET_TX_DMA_ERROR] = "Tx DMA stop error",
767 [RESET_RX_DMA_ERROR] = "Rx DMA stop error",
768 };
769 int i;
770
771 for (i = 0; i < ARRAY_SIZE(reset_cause); i++) {
772 if (!reset_cause[i])
773 continue;
774
775 seq_printf(file, "%17s: %2d\n", reset_cause[i],
776 sc->debug.stats.reset[i]);
777 }
778
779 return 0;
780}
781
782static int open_file_reset(struct inode *inode, struct file *f)
783{
784 return single_open(f, read_file_reset, inode->i_private);
785}
786
787static ssize_t write_file_reset(struct file *file,
788 const char __user *user_buf,
789 size_t count, loff_t *ppos)
790{
791 struct ath_softc *sc = file_inode(file)->i_private;
792 struct ath_hw *ah = sc->sc_ah;
793 struct ath_common *common = ath9k_hw_common(ah);
794 unsigned long val;
795 char buf[32];
796 ssize_t len;
797
798 len = min(count, sizeof(buf) - 1);
799 if (copy_from_user(buf, user_buf, len))
800 return -EFAULT;
801
802 buf[len] = '\0';
803 if (kstrtoul(buf, 0, &val))
804 return -EINVAL;
805
806 if (val != 1)
807 return -EINVAL;
808
809 /* avoid rearming hw_reset_work on shutdown */
810 mutex_lock(&sc->mutex);
811 if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
812 mutex_unlock(&sc->mutex);
813 return -EBUSY;
814 }
815
816 ath9k_queue_reset(sc, RESET_TYPE_USER);
817 mutex_unlock(&sc->mutex);
818
819 return count;
820}
821
822static const struct file_operations fops_reset = {
823 .read = seq_read,
824 .write = write_file_reset,
825 .open = open_file_reset,
826 .owner = THIS_MODULE,
827 .llseek = seq_lseek,
828 .release = single_release,
829};
830
831void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
832 struct ath_tx_status *ts, struct ath_txq *txq,
833 unsigned int flags)
834{
835 int qnum = txq->axq_qnum;
836
837 TX_STAT_INC(sc, qnum, tx_pkts_all);
838 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
839
840 if (bf_isampdu(bf)) {
841 if (flags & ATH_TX_ERROR)
842 TX_STAT_INC(sc, qnum, a_xretries);
843 else
844 TX_STAT_INC(sc, qnum, a_completed);
845 } else {
846 if (ts->ts_status & ATH9K_TXERR_XRETRY)
847 TX_STAT_INC(sc, qnum, xretries);
848 else
849 TX_STAT_INC(sc, qnum, completed);
850 }
851
852 if (ts->ts_status & ATH9K_TXERR_FILT)
853 TX_STAT_INC(sc, qnum, txerr_filtered);
854 if (ts->ts_status & ATH9K_TXERR_FIFO)
855 TX_STAT_INC(sc, qnum, fifo_underrun);
856 if (ts->ts_status & ATH9K_TXERR_XTXOP)
857 TX_STAT_INC(sc, qnum, xtxop);
858 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
859 TX_STAT_INC(sc, qnum, timer_exp);
860 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
861 TX_STAT_INC(sc, qnum, desc_cfg_err);
862 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
863 TX_STAT_INC(sc, qnum, data_underrun);
864 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
865 TX_STAT_INC(sc, qnum, delim_underrun);
866}
867
868void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
869{
870 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);
871}
872
873static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
874 size_t count, loff_t *ppos)
875{
876 struct ath_softc *sc = file->private_data;
877 char buf[32];
878 unsigned int len;
879
880 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
881 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
882}
883
884static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
885 size_t count, loff_t *ppos)
886{
887 struct ath_softc *sc = file->private_data;
888 unsigned long regidx;
889 char buf[32];
890 ssize_t len;
891
892 len = min(count, sizeof(buf) - 1);
893 if (copy_from_user(buf, user_buf, len))
894 return -EFAULT;
895
896 buf[len] = '\0';
897 if (kstrtoul(buf, 0, ®idx))
898 return -EINVAL;
899
900 sc->debug.regidx = regidx;
901 return count;
902}
903
904static const struct file_operations fops_regidx = {
905 .read = read_file_regidx,
906 .write = write_file_regidx,
907 .open = simple_open,
908 .owner = THIS_MODULE,
909 .llseek = default_llseek,
910};
911
912static ssize_t read_file_regval(struct file *file, char __user *user_buf,
913 size_t count, loff_t *ppos)
914{
915 struct ath_softc *sc = file->private_data;
916 struct ath_hw *ah = sc->sc_ah;
917 char buf[32];
918 unsigned int len;
919 u32 regval;
920
921 ath9k_ps_wakeup(sc);
922 regval = REG_READ_D(ah, sc->debug.regidx);
923 ath9k_ps_restore(sc);
924 len = sprintf(buf, "0x%08x\n", regval);
925 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
926}
927
928static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
929 size_t count, loff_t *ppos)
930{
931 struct ath_softc *sc = file->private_data;
932 struct ath_hw *ah = sc->sc_ah;
933 unsigned long regval;
934 char buf[32];
935 ssize_t len;
936
937 len = min(count, sizeof(buf) - 1);
938 if (copy_from_user(buf, user_buf, len))
939 return -EFAULT;
940
941 buf[len] = '\0';
942 if (kstrtoul(buf, 0, ®val))
943 return -EINVAL;
944
945 ath9k_ps_wakeup(sc);
946 REG_WRITE_D(ah, sc->debug.regidx, regval);
947 ath9k_ps_restore(sc);
948 return count;
949}
950
951static const struct file_operations fops_regval = {
952 .read = read_file_regval,
953 .write = write_file_regval,
954 .open = simple_open,
955 .owner = THIS_MODULE,
956 .llseek = default_llseek,
957};
958
959#define REGDUMP_LINE_SIZE 20
960
961static int open_file_regdump(struct inode *inode, struct file *file)
962{
963 struct ath_softc *sc = inode->i_private;
964 unsigned int len = 0;
965 u8 *buf;
966 int i, j = 0;
967 unsigned long num_regs, regdump_len, max_reg_offset;
968 static const struct reg_hole {
969 u32 start;
970 u32 end;
971 } reg_hole_list[] = {
972 {0x0200, 0x07fc},
973 {0x0c00, 0x0ffc},
974 {0x2000, 0x3ffc},
975 {0x4100, 0x6ffc},
976 {0x705c, 0x7ffc},
977 {0x0000, 0x0000}
978 };
979
980 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x8800 : 0xb500;
981 num_regs = max_reg_offset / 4 + 1;
982 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
983 buf = vmalloc(regdump_len);
984 if (!buf)
985 return -ENOMEM;
986
987 ath9k_ps_wakeup(sc);
988 for (i = 0; i < num_regs; i++) {
989 if (reg_hole_list[j].start == i << 2) {
990 i = reg_hole_list[j].end >> 2;
991 j++;
992 continue;
993 }
994
995 len += scnprintf(buf + len, regdump_len - len,
996 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
997 }
998 ath9k_ps_restore(sc);
999
1000 file->private_data = buf;
1001
1002 return 0;
1003}
1004
1005static const struct file_operations fops_regdump = {
1006 .open = open_file_regdump,
1007 .read = ath9k_debugfs_read_buf,
1008 .release = ath9k_debugfs_release_buf,
1009 .owner = THIS_MODULE,
1010 .llseek = default_llseek,/* read accesses f_pos */
1011};
1012
1013static int read_file_dump_nfcal(struct seq_file *file, void *data)
1014{
1015 struct ieee80211_hw *hw = dev_get_drvdata(file->private);
1016 struct ath_softc *sc = hw->priv;
1017 struct ath_hw *ah = sc->sc_ah;
1018 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist;
1019 struct ath_common *common = ath9k_hw_common(ah);
1020 struct ieee80211_conf *conf = &common->hw->conf;
1021 u32 i, j;
1022 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1023 u8 nread;
1024
1025 seq_printf(file, "Channel Noise Floor : %d\n", ah->noise);
1026 seq_puts(file, "Chain | privNF | # Readings | NF Readings\n");
1027 for (i = 0; i < NUM_NF_READINGS; i++) {
1028 if (!(chainmask & (1 << i)) ||
1029 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1030 continue;
1031
1032 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1033 seq_printf(file, " %d\t %d\t %d\t\t", i, h[i].privNF, nread);
1034 for (j = 0; j < nread; j++)
1035 seq_printf(file, " %d", h[i].nfCalBuffer[j]);
1036 seq_puts(file, "\n");
1037 }
1038
1039 return 0;
1040}
1041
1042#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1043static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1044 size_t count, loff_t *ppos)
1045{
1046 struct ath_softc *sc = file->private_data;
1047 u32 len = 0, size = 1500;
1048 char *buf;
1049 size_t retval;
1050
1051 buf = kzalloc(size, GFP_KERNEL);
1052 if (buf == NULL)
1053 return -ENOMEM;
1054
1055 if (!sc->sc_ah->common.btcoex_enabled) {
1056 len = scnprintf(buf, size, "%s\n",
1057 "BTCOEX is disabled");
1058 goto exit;
1059 }
1060
1061 len = ath9k_dump_btcoex(sc, buf, size);
1062exit:
1063 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1064 kfree(buf);
1065
1066 return retval;
1067}
1068
1069static const struct file_operations fops_btcoex = {
1070 .read = read_file_btcoex,
1071 .open = simple_open,
1072 .owner = THIS_MODULE,
1073 .llseek = default_llseek,
1074};
1075#endif
1076
1077#ifdef CONFIG_ATH9K_DYNACK
1078static ssize_t read_file_ackto(struct file *file, char __user *user_buf,
1079 size_t count, loff_t *ppos)
1080{
1081 struct ath_softc *sc = file->private_data;
1082 struct ath_hw *ah = sc->sc_ah;
1083 char buf[32];
1084 unsigned int len;
1085
1086 len = sprintf(buf, "%u %c\n", ah->dynack.ackto,
1087 (ah->dynack.enabled) ? 'A' : 'S');
1088
1089 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1090}
1091
1092static const struct file_operations fops_ackto = {
1093 .read = read_file_ackto,
1094 .open = simple_open,
1095 .owner = THIS_MODULE,
1096 .llseek = default_llseek,
1097};
1098#endif
1099
1100#ifdef CONFIG_ATH9K_WOW
1101
1102static ssize_t read_file_wow(struct file *file, char __user *user_buf,
1103 size_t count, loff_t *ppos)
1104{
1105 struct ath_softc *sc = file->private_data;
1106 unsigned int len = 0, size = 32;
1107 ssize_t retval;
1108 char *buf;
1109
1110 buf = kzalloc(size, GFP_KERNEL);
1111 if (!buf)
1112 return -ENOMEM;
1113
1114 len += scnprintf(buf + len, size - len, "WOW: %s\n",
1115 sc->force_wow ? "ENABLED" : "DISABLED");
1116
1117 if (len > size)
1118 len = size;
1119
1120 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1121 kfree(buf);
1122
1123 return retval;
1124}
1125
1126static ssize_t write_file_wow(struct file *file, const char __user *user_buf,
1127 size_t count, loff_t *ppos)
1128{
1129 struct ath_softc *sc = file->private_data;
1130 unsigned long val;
1131 char buf[32];
1132 ssize_t len;
1133
1134 len = min(count, sizeof(buf) - 1);
1135 if (copy_from_user(buf, user_buf, len))
1136 return -EFAULT;
1137
1138 buf[len] = '\0';
1139 if (kstrtoul(buf, 0, &val))
1140 return -EINVAL;
1141
1142 if (val != 1)
1143 return -EINVAL;
1144
1145 if (!sc->force_wow) {
1146 sc->force_wow = true;
1147 ath9k_init_wow(sc->hw);
1148 }
1149
1150 return count;
1151}
1152
1153static const struct file_operations fops_wow = {
1154 .read = read_file_wow,
1155 .write = write_file_wow,
1156 .open = simple_open,
1157 .owner = THIS_MODULE,
1158 .llseek = default_llseek,
1159};
1160
1161#endif
1162
1163static ssize_t read_file_tpc(struct file *file, char __user *user_buf,
1164 size_t count, loff_t *ppos)
1165{
1166 struct ath_softc *sc = file->private_data;
1167 struct ath_hw *ah = sc->sc_ah;
1168 unsigned int len = 0, size = 32;
1169 ssize_t retval;
1170 char *buf;
1171
1172 buf = kzalloc(size, GFP_KERNEL);
1173 if (!buf)
1174 return -ENOMEM;
1175
1176 len += scnprintf(buf + len, size - len, "%s\n",
1177 ah->tpc_enabled ? "ENABLED" : "DISABLED");
1178
1179 if (len > size)
1180 len = size;
1181
1182 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1183 kfree(buf);
1184
1185 return retval;
1186}
1187
1188static ssize_t write_file_tpc(struct file *file, const char __user *user_buf,
1189 size_t count, loff_t *ppos)
1190{
1191 struct ath_softc *sc = file->private_data;
1192 struct ath_hw *ah = sc->sc_ah;
1193 unsigned long val;
1194 char buf[32];
1195 ssize_t len;
1196 bool tpc_enabled;
1197
1198 len = min(count, sizeof(buf) - 1);
1199 if (copy_from_user(buf, user_buf, len))
1200 return -EFAULT;
1201
1202 buf[len] = '\0';
1203 if (kstrtoul(buf, 0, &val))
1204 return -EINVAL;
1205
1206 if (val > 1)
1207 return -EINVAL;
1208
1209 tpc_enabled = !!val;
1210
1211 if (tpc_enabled != ah->tpc_enabled) {
1212 ah->tpc_enabled = tpc_enabled;
1213
1214 mutex_lock(&sc->mutex);
1215 ath9k_set_txpower(sc, NULL);
1216 mutex_unlock(&sc->mutex);
1217 }
1218
1219 return count;
1220}
1221
1222static const struct file_operations fops_tpc = {
1223 .read = read_file_tpc,
1224 .write = write_file_tpc,
1225 .open = simple_open,
1226 .owner = THIS_MODULE,
1227 .llseek = default_llseek,
1228};
1229
1230static ssize_t read_file_nf_override(struct file *file,
1231 char __user *user_buf,
1232 size_t count, loff_t *ppos)
1233{
1234 struct ath_softc *sc = file->private_data;
1235 struct ath_hw *ah = sc->sc_ah;
1236 char buf[32];
1237 unsigned int len;
1238
1239 if (ah->nf_override == 0)
1240 len = sprintf(buf, "off\n");
1241 else
1242 len = sprintf(buf, "%d\n", ah->nf_override);
1243
1244 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1245}
1246
1247static ssize_t write_file_nf_override(struct file *file,
1248 const char __user *user_buf,
1249 size_t count, loff_t *ppos)
1250{
1251 struct ath_softc *sc = file->private_data;
1252 struct ath_hw *ah = sc->sc_ah;
1253 long val;
1254 char buf[32];
1255 ssize_t len;
1256
1257 len = min(count, sizeof(buf) - 1);
1258 if (copy_from_user(buf, user_buf, len))
1259 return -EFAULT;
1260
1261 buf[len] = '\0';
1262 if (strncmp("off", buf, 3) == 0)
1263 val = 0;
1264 else if (kstrtol(buf, 0, &val))
1265 return -EINVAL;
1266
1267 if (val > 0)
1268 return -EINVAL;
1269
1270 if (val < -120)
1271 return -EINVAL;
1272
1273 ah->nf_override = val;
1274
1275 if (ah->curchan) {
1276 ath9k_ps_wakeup(sc);
1277 ath9k_hw_loadnf(ah, ah->curchan);
1278 ath9k_ps_restore(sc);
1279 }
1280
1281 return count;
1282}
1283
1284static const struct file_operations fops_nf_override = {
1285 .read = read_file_nf_override,
1286 .write = write_file_nf_override,
1287 .open = simple_open,
1288 .owner = THIS_MODULE,
1289 .llseek = default_llseek,
1290};
1291
1292/* Ethtool support for get-stats */
1293
1294#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1295static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1296 "tx_pkts_nic",
1297 "tx_bytes_nic",
1298 "rx_pkts_nic",
1299 "rx_bytes_nic",
1300 AMKSTR(d_tx_pkts),
1301 AMKSTR(d_tx_bytes),
1302 AMKSTR(d_tx_mpdus_queued),
1303 AMKSTR(d_tx_mpdus_completed),
1304 AMKSTR(d_tx_mpdu_xretries),
1305 AMKSTR(d_tx_aggregates),
1306 AMKSTR(d_tx_ampdus_queued_hw),
1307 AMKSTR(d_tx_ampdus_completed),
1308 AMKSTR(d_tx_ampdu_retries),
1309 AMKSTR(d_tx_ampdu_xretries),
1310 AMKSTR(d_tx_fifo_underrun),
1311 AMKSTR(d_tx_op_exceeded),
1312 AMKSTR(d_tx_timer_expiry),
1313 AMKSTR(d_tx_desc_cfg_err),
1314 AMKSTR(d_tx_data_underrun),
1315 AMKSTR(d_tx_delim_underrun),
1316 "d_rx_crc_err",
1317 "d_rx_decrypt_crc_err",
1318 "d_rx_phy_err",
1319 "d_rx_mic_err",
1320 "d_rx_pre_delim_crc_err",
1321 "d_rx_post_delim_crc_err",
1322 "d_rx_decrypt_busy_err",
1323
1324 "d_rx_phyerr_radar",
1325 "d_rx_phyerr_ofdm_timing",
1326 "d_rx_phyerr_cck_timing",
1327
1328};
1329#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1330
1331void ath9k_get_et_strings(struct ieee80211_hw *hw,
1332 struct ieee80211_vif *vif,
1333 u32 sset, u8 *data)
1334{
1335 if (sset == ETH_SS_STATS)
1336 memcpy(data, *ath9k_gstrings_stats,
1337 sizeof(ath9k_gstrings_stats));
1338}
1339
1340int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1341 struct ieee80211_vif *vif, int sset)
1342{
1343 if (sset == ETH_SS_STATS)
1344 return ATH9K_SSTATS_LEN;
1345 return 0;
1346}
1347
1348#define AWDATA(elem) \
1349 do { \
1350 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1351 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1352 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1353 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1354 } while (0)
1355
1356#define AWDATA_RX(elem) \
1357 do { \
1358 data[i++] = sc->debug.stats.rxstats.elem; \
1359 } while (0)
1360
1361void ath9k_get_et_stats(struct ieee80211_hw *hw,
1362 struct ieee80211_vif *vif,
1363 struct ethtool_stats *stats, u64 *data)
1364{
1365 struct ath_softc *sc = hw->priv;
1366 int i = 0;
1367
1368 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1369 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1370 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1371 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1372 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1373 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1374 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1375 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1376 AWDATA_RX(rx_pkts_all);
1377 AWDATA_RX(rx_bytes_all);
1378
1379 AWDATA(tx_pkts_all);
1380 AWDATA(tx_bytes_all);
1381 AWDATA(queued);
1382 AWDATA(completed);
1383 AWDATA(xretries);
1384 AWDATA(a_aggr);
1385 AWDATA(a_queued_hw);
1386 AWDATA(a_completed);
1387 AWDATA(a_retries);
1388 AWDATA(a_xretries);
1389 AWDATA(fifo_underrun);
1390 AWDATA(xtxop);
1391 AWDATA(timer_exp);
1392 AWDATA(desc_cfg_err);
1393 AWDATA(data_underrun);
1394 AWDATA(delim_underrun);
1395
1396 AWDATA_RX(crc_err);
1397 AWDATA_RX(decrypt_crc_err);
1398 AWDATA_RX(phy_err);
1399 AWDATA_RX(mic_err);
1400 AWDATA_RX(pre_delim_crc_err);
1401 AWDATA_RX(post_delim_crc_err);
1402 AWDATA_RX(decrypt_busy_err);
1403
1404 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1405 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1406 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1407
1408 WARN_ON(i != ATH9K_SSTATS_LEN);
1409}
1410
1411void ath9k_deinit_debug(struct ath_softc *sc)
1412{
1413 ath9k_cmn_spectral_deinit_debug(&sc->spec_priv);
1414}
1415
1416int ath9k_init_debug(struct ath_hw *ah)
1417{
1418 struct ath_common *common = ath9k_hw_common(ah);
1419 struct ath_softc *sc = (struct ath_softc *) common->priv;
1420
1421 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1422 sc->hw->wiphy->debugfsdir);
1423 if (!sc->debug.debugfs_phy)
1424 return -ENOMEM;
1425
1426#ifdef CONFIG_ATH_DEBUG
1427 debugfs_create_file("debug", 0600, sc->debug.debugfs_phy,
1428 sc, &fops_debug);
1429#endif
1430
1431 ath9k_dfs_init_debug(sc);
1432 ath9k_tx99_init_debug(sc);
1433 ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy);
1434
1435 debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
1436 read_file_dma);
1437 debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
1438 read_file_interrupt);
1439 debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy,
1440 read_file_xmit);
1441 debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy,
1442 read_file_queues);
1443 debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy,
1444 read_file_misc);
1445 debugfs_create_file("reset", 0600, sc->debug.debugfs_phy,
1446 sc, &fops_reset);
1447
1448 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1449 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
1450
1451 debugfs_create_u8("rx_chainmask", 0400, sc->debug.debugfs_phy,
1452 &ah->rxchainmask);
1453 debugfs_create_u8("tx_chainmask", 0400, sc->debug.debugfs_phy,
1454 &ah->txchainmask);
1455 debugfs_create_file("ani", 0600,
1456 sc->debug.debugfs_phy, sc, &fops_ani);
1457 debugfs_create_bool("paprd", 0600, sc->debug.debugfs_phy,
1458 &sc->sc_ah->config.enable_paprd);
1459 debugfs_create_file("regidx", 0600, sc->debug.debugfs_phy,
1460 sc, &fops_regidx);
1461 debugfs_create_file("regval", 0600, sc->debug.debugfs_phy,
1462 sc, &fops_regval);
1463 debugfs_create_bool("ignore_extcca", 0600,
1464 sc->debug.debugfs_phy,
1465 &ah->config.cwm_ignore_extcca);
1466 debugfs_create_file("regdump", 0400, sc->debug.debugfs_phy, sc,
1467 &fops_regdump);
1468 debugfs_create_devm_seqfile(sc->dev, "dump_nfcal",
1469 sc->debug.debugfs_phy,
1470 read_file_dump_nfcal);
1471
1472 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1473 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1474
1475 debugfs_create_u32("gpio_mask", 0600,
1476 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1477 debugfs_create_u32("gpio_val", 0600,
1478 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1479 debugfs_create_file("antenna_diversity", 0400,
1480 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1481#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1482 debugfs_create_file("bt_ant_diversity", 0600,
1483 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1484 debugfs_create_file("btcoex", 0400, sc->debug.debugfs_phy, sc,
1485 &fops_btcoex);
1486#endif
1487
1488#ifdef CONFIG_ATH9K_WOW
1489 debugfs_create_file("wow", 0600, sc->debug.debugfs_phy, sc, &fops_wow);
1490#endif
1491
1492#ifdef CONFIG_ATH9K_DYNACK
1493 debugfs_create_file("ack_to", 0400, sc->debug.debugfs_phy,
1494 sc, &fops_ackto);
1495#endif
1496 debugfs_create_file("tpc", 0600, sc->debug.debugfs_phy, sc, &fops_tpc);
1497
1498 debugfs_create_file("nf_override", 0600,
1499 sc->debug.debugfs_phy, sc, &fops_nf_override);
1500
1501 return 0;
1502}