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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
29
30static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
31 size_t count, loff_t *ppos)
32{
33 u8 *buf = file->private_data;
34 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
35}
36
37static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
38{
39 vfree(file->private_data);
40 return 0;
41}
42
43#ifdef CONFIG_ATH_DEBUG
44
45static ssize_t read_file_debug(struct file *file, char __user *user_buf,
46 size_t count, loff_t *ppos)
47{
48 struct ath_softc *sc = file->private_data;
49 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
50 char buf[32];
51 unsigned int len;
52
53 len = sprintf(buf, "0x%08x\n", common->debug_mask);
54 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
55}
56
57static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
58 size_t count, loff_t *ppos)
59{
60 struct ath_softc *sc = file->private_data;
61 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
62 unsigned long mask;
63 char buf[32];
64 ssize_t len;
65
66 len = min(count, sizeof(buf) - 1);
67 if (copy_from_user(buf, user_buf, len))
68 return -EFAULT;
69
70 buf[len] = '\0';
71 if (strict_strtoul(buf, 0, &mask))
72 return -EINVAL;
73
74 common->debug_mask = mask;
75 return count;
76}
77
78static const struct file_operations fops_debug = {
79 .read = read_file_debug,
80 .write = write_file_debug,
81 .open = simple_open,
82 .owner = THIS_MODULE,
83 .llseek = default_llseek,
84};
85
86#endif
87
88#define DMA_BUF_LEN 1024
89
90static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
91 size_t count, loff_t *ppos)
92{
93 struct ath_softc *sc = file->private_data;
94 struct ath_hw *ah = sc->sc_ah;
95 char buf[32];
96 unsigned int len;
97
98 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
99 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
100}
101
102static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
103 size_t count, loff_t *ppos)
104{
105 struct ath_softc *sc = file->private_data;
106 struct ath_hw *ah = sc->sc_ah;
107 unsigned long mask;
108 char buf[32];
109 ssize_t len;
110
111 len = min(count, sizeof(buf) - 1);
112 if (copy_from_user(buf, user_buf, len))
113 return -EFAULT;
114
115 buf[len] = '\0';
116 if (strict_strtoul(buf, 0, &mask))
117 return -EINVAL;
118
119 ah->txchainmask = mask;
120 ah->caps.tx_chainmask = mask;
121 return count;
122}
123
124static const struct file_operations fops_tx_chainmask = {
125 .read = read_file_tx_chainmask,
126 .write = write_file_tx_chainmask,
127 .open = simple_open,
128 .owner = THIS_MODULE,
129 .llseek = default_llseek,
130};
131
132
133static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
134 size_t count, loff_t *ppos)
135{
136 struct ath_softc *sc = file->private_data;
137 struct ath_hw *ah = sc->sc_ah;
138 char buf[32];
139 unsigned int len;
140
141 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
142 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
143}
144
145static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
146 size_t count, loff_t *ppos)
147{
148 struct ath_softc *sc = file->private_data;
149 struct ath_hw *ah = sc->sc_ah;
150 unsigned long mask;
151 char buf[32];
152 ssize_t len;
153
154 len = min(count, sizeof(buf) - 1);
155 if (copy_from_user(buf, user_buf, len))
156 return -EFAULT;
157
158 buf[len] = '\0';
159 if (strict_strtoul(buf, 0, &mask))
160 return -EINVAL;
161
162 ah->rxchainmask = mask;
163 ah->caps.rx_chainmask = mask;
164 return count;
165}
166
167static const struct file_operations fops_rx_chainmask = {
168 .read = read_file_rx_chainmask,
169 .write = write_file_rx_chainmask,
170 .open = simple_open,
171 .owner = THIS_MODULE,
172 .llseek = default_llseek,
173};
174
175static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
176 size_t count, loff_t *ppos)
177{
178 struct ath_softc *sc = file->private_data;
179 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
180 char buf[32];
181 unsigned int len;
182
183 len = sprintf(buf, "%d\n", common->disable_ani);
184 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
185}
186
187static ssize_t write_file_disable_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 disable_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 (strict_strtoul(buf, 0, &disable_ani))
203 return -EINVAL;
204
205 common->disable_ani = !!disable_ani;
206
207 if (disable_ani) {
208 sc->sc_flags &= ~SC_OP_ANI_RUN;
209 del_timer_sync(&common->ani.timer);
210 } else {
211 sc->sc_flags |= SC_OP_ANI_RUN;
212 ath_start_ani(common);
213 }
214
215 return count;
216}
217
218static const struct file_operations fops_disable_ani = {
219 .read = read_file_disable_ani,
220 .write = write_file_disable_ani,
221 .open = simple_open,
222 .owner = THIS_MODULE,
223 .llseek = default_llseek,
224};
225
226static ssize_t read_file_dma(struct file *file, char __user *user_buf,
227 size_t count, loff_t *ppos)
228{
229 struct ath_softc *sc = file->private_data;
230 struct ath_hw *ah = sc->sc_ah;
231 char *buf;
232 int retval;
233 unsigned int len = 0;
234 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
235 int i, qcuOffset = 0, dcuOffset = 0;
236 u32 *qcuBase = &val[0], *dcuBase = &val[4];
237
238 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
239 if (!buf)
240 return -ENOMEM;
241
242 ath9k_ps_wakeup(sc);
243
244 REG_WRITE_D(ah, AR_MACMISC,
245 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
246 (AR_MACMISC_MISC_OBS_BUS_1 <<
247 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
248
249 len += snprintf(buf + len, DMA_BUF_LEN - len,
250 "Raw DMA Debug values:\n");
251
252 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
253 if (i % 4 == 0)
254 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
255
256 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
257 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
258 i, val[i]);
259 }
260
261 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
262 len += snprintf(buf + len, DMA_BUF_LEN - len,
263 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
264
265 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
266 if (i == 8) {
267 qcuOffset = 0;
268 qcuBase++;
269 }
270
271 if (i == 6) {
272 dcuOffset = 0;
273 dcuBase++;
274 }
275
276 len += snprintf(buf + len, DMA_BUF_LEN - len,
277 "%2d %2x %1x %2x %2x\n",
278 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
279 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
280 val[2] & (0x7 << (i * 3)) >> (i * 3),
281 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
282 }
283
284 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
285
286 len += snprintf(buf + len, DMA_BUF_LEN - len,
287 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
288 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
289 len += snprintf(buf + len, DMA_BUF_LEN - len,
290 "qcu_complete state: %2x dcu_complete state: %2x\n",
291 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
292 len += snprintf(buf + len, DMA_BUF_LEN - len,
293 "dcu_arb state: %2x dcu_fp state: %2x\n",
294 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
295 len += snprintf(buf + len, DMA_BUF_LEN - len,
296 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
297 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
298 len += snprintf(buf + len, DMA_BUF_LEN - len,
299 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
300 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
301 len += snprintf(buf + len, DMA_BUF_LEN - len,
302 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
303 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
304
305 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
306 REG_READ_D(ah, AR_OBS_BUS_1));
307 len += snprintf(buf + len, DMA_BUF_LEN - len,
308 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
309
310 ath9k_ps_restore(sc);
311
312 if (len > DMA_BUF_LEN)
313 len = DMA_BUF_LEN;
314
315 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
316 kfree(buf);
317 return retval;
318}
319
320static const struct file_operations fops_dma = {
321 .read = read_file_dma,
322 .open = simple_open,
323 .owner = THIS_MODULE,
324 .llseek = default_llseek,
325};
326
327
328void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
329{
330 if (status)
331 sc->debug.stats.istats.total++;
332 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
333 if (status & ATH9K_INT_RXLP)
334 sc->debug.stats.istats.rxlp++;
335 if (status & ATH9K_INT_RXHP)
336 sc->debug.stats.istats.rxhp++;
337 if (status & ATH9K_INT_BB_WATCHDOG)
338 sc->debug.stats.istats.bb_watchdog++;
339 } else {
340 if (status & ATH9K_INT_RX)
341 sc->debug.stats.istats.rxok++;
342 }
343 if (status & ATH9K_INT_RXEOL)
344 sc->debug.stats.istats.rxeol++;
345 if (status & ATH9K_INT_RXORN)
346 sc->debug.stats.istats.rxorn++;
347 if (status & ATH9K_INT_TX)
348 sc->debug.stats.istats.txok++;
349 if (status & ATH9K_INT_TXURN)
350 sc->debug.stats.istats.txurn++;
351 if (status & ATH9K_INT_MIB)
352 sc->debug.stats.istats.mib++;
353 if (status & ATH9K_INT_RXPHY)
354 sc->debug.stats.istats.rxphyerr++;
355 if (status & ATH9K_INT_RXKCM)
356 sc->debug.stats.istats.rx_keycache_miss++;
357 if (status & ATH9K_INT_SWBA)
358 sc->debug.stats.istats.swba++;
359 if (status & ATH9K_INT_BMISS)
360 sc->debug.stats.istats.bmiss++;
361 if (status & ATH9K_INT_BNR)
362 sc->debug.stats.istats.bnr++;
363 if (status & ATH9K_INT_CST)
364 sc->debug.stats.istats.cst++;
365 if (status & ATH9K_INT_GTT)
366 sc->debug.stats.istats.gtt++;
367 if (status & ATH9K_INT_TIM)
368 sc->debug.stats.istats.tim++;
369 if (status & ATH9K_INT_CABEND)
370 sc->debug.stats.istats.cabend++;
371 if (status & ATH9K_INT_DTIMSYNC)
372 sc->debug.stats.istats.dtimsync++;
373 if (status & ATH9K_INT_DTIM)
374 sc->debug.stats.istats.dtim++;
375 if (status & ATH9K_INT_TSFOOR)
376 sc->debug.stats.istats.tsfoor++;
377}
378
379static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
380 size_t count, loff_t *ppos)
381{
382 struct ath_softc *sc = file->private_data;
383 unsigned int len = 0;
384 int rv;
385 int mxlen = 4000;
386 char *buf = kmalloc(mxlen, GFP_KERNEL);
387 if (!buf)
388 return -ENOMEM;
389
390#define PR_IS(a, s) \
391 do { \
392 len += snprintf(buf + len, mxlen - len, \
393 "%21s: %10u\n", a, \
394 sc->debug.stats.istats.s); \
395 } while (0)
396
397 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
398 PR_IS("RXLP", rxlp);
399 PR_IS("RXHP", rxhp);
400 PR_IS("WATHDOG", bb_watchdog);
401 } else {
402 PR_IS("RX", rxok);
403 }
404 PR_IS("RXEOL", rxeol);
405 PR_IS("RXORN", rxorn);
406 PR_IS("TX", txok);
407 PR_IS("TXURN", txurn);
408 PR_IS("MIB", mib);
409 PR_IS("RXPHY", rxphyerr);
410 PR_IS("RXKCM", rx_keycache_miss);
411 PR_IS("SWBA", swba);
412 PR_IS("BMISS", bmiss);
413 PR_IS("BNR", bnr);
414 PR_IS("CST", cst);
415 PR_IS("GTT", gtt);
416 PR_IS("TIM", tim);
417 PR_IS("CABEND", cabend);
418 PR_IS("DTIMSYNC", dtimsync);
419 PR_IS("DTIM", dtim);
420 PR_IS("TSFOOR", tsfoor);
421 PR_IS("TOTAL", total);
422
423 len += snprintf(buf + len, mxlen - len,
424 "SYNC_CAUSE stats:\n");
425
426 PR_IS("Sync-All", sync_cause_all);
427 PR_IS("RTC-IRQ", sync_rtc_irq);
428 PR_IS("MAC-IRQ", sync_mac_irq);
429 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
430 PR_IS("APB-Timeout", apb_timeout);
431 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
432 PR_IS("HOST1-Fatal", host1_fatal);
433 PR_IS("HOST1-Perr", host1_perr);
434 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
435 PR_IS("RADM-CPL-EP", radm_cpl_ep);
436 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
437 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
438 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
439 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
440 PR_IS("Local-Bus-Timeout", local_timeout);
441 PR_IS("PM-Access", pm_access);
442 PR_IS("MAC-Awake", mac_awake);
443 PR_IS("MAC-Asleep", mac_asleep);
444 PR_IS("MAC-Sleep-Access", mac_sleep_access);
445
446 if (len > mxlen)
447 len = mxlen;
448
449 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
450 kfree(buf);
451 return rv;
452}
453
454static const struct file_operations fops_interrupt = {
455 .read = read_file_interrupt,
456 .open = simple_open,
457 .owner = THIS_MODULE,
458 .llseek = default_llseek,
459};
460
461#define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
462#define PR(str, elem) \
463 do { \
464 len += snprintf(buf + len, size - len, \
465 "%s%13u%11u%10u%10u\n", str, \
466 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
467 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
468 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
469 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
470 if (len >= size) \
471 goto done; \
472} while(0)
473
474#define PRX(str, elem) \
475do { \
476 len += snprintf(buf + len, size - len, \
477 "%s%13u%11u%10u%10u\n", str, \
478 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
479 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
480 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
481 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
482 if (len >= size) \
483 goto done; \
484} while(0)
485
486#define PRQLE(str, elem) \
487do { \
488 len += snprintf(buf + len, size - len, \
489 "%s%13i%11i%10i%10i\n", str, \
490 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
491 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
492 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
493 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
494 if (len >= size) \
495 goto done; \
496} while (0)
497
498static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
499 size_t count, loff_t *ppos)
500{
501 struct ath_softc *sc = file->private_data;
502 char *buf;
503 unsigned int len = 0, size = 8000;
504 int i;
505 ssize_t retval = 0;
506 char tmp[32];
507
508 buf = kzalloc(size, GFP_KERNEL);
509 if (buf == NULL)
510 return -ENOMEM;
511
512 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
513 " poll-work-seen: %u\n"
514 "%30s %10s%10s%10s\n\n",
515 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
516 sc->tx_complete_poll_work_seen,
517 "BE", "BK", "VI", "VO");
518
519 PR("MPDUs Queued: ", queued);
520 PR("MPDUs Completed: ", completed);
521 PR("MPDUs XRetried: ", xretries);
522 PR("Aggregates: ", a_aggr);
523 PR("AMPDUs Queued HW:", a_queued_hw);
524 PR("AMPDUs Queued SW:", a_queued_sw);
525 PR("AMPDUs Completed:", a_completed);
526 PR("AMPDUs Retried: ", a_retries);
527 PR("AMPDUs XRetried: ", a_xretries);
528 PR("FIFO Underrun: ", fifo_underrun);
529 PR("TXOP Exceeded: ", xtxop);
530 PR("TXTIMER Expiry: ", timer_exp);
531 PR("DESC CFG Error: ", desc_cfg_err);
532 PR("DATA Underrun: ", data_underrun);
533 PR("DELIM Underrun: ", delim_underrun);
534 PR("TX-Pkts-All: ", tx_pkts_all);
535 PR("TX-Bytes-All: ", tx_bytes_all);
536 PR("hw-put-tx-buf: ", puttxbuf);
537 PR("hw-tx-start: ", txstart);
538 PR("hw-tx-proc-desc: ", txprocdesc);
539 PR("TX-Failed: ", txfailed);
540 len += snprintf(buf + len, size - len,
541 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
542 sc->tx.txq_map[WME_AC_BE],
543 sc->tx.txq_map[WME_AC_BK],
544 sc->tx.txq_map[WME_AC_VI],
545 sc->tx.txq_map[WME_AC_VO]);
546 if (len >= size)
547 goto done;
548
549 PRX("axq-qnum: ", axq_qnum);
550 PRX("axq-depth: ", axq_depth);
551 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
552 PRX("axq-stopped ", stopped);
553 PRX("tx-in-progress ", axq_tx_inprogress);
554 PRX("pending-frames ", pending_frames);
555 PRX("txq_headidx: ", txq_headidx);
556 PRX("txq_tailidx: ", txq_headidx);
557
558 PRQLE("axq_q empty: ", axq_q);
559 PRQLE("axq_acq empty: ", axq_acq);
560 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
561 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
562 PRQLE(tmp, txq_fifo[i]);
563 }
564
565 /* Print out more detailed queue-info */
566 for (i = 0; i <= WME_AC_BK; i++) {
567 struct ath_txq *txq = &(sc->tx.txq[i]);
568 struct ath_atx_ac *ac;
569 struct ath_atx_tid *tid;
570 if (len >= size)
571 goto done;
572 spin_lock_bh(&txq->axq_lock);
573 if (!list_empty(&txq->axq_acq)) {
574 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
575 list);
576 len += snprintf(buf + len, size - len,
577 "txq[%i] first-ac: %p sched: %i\n",
578 i, ac, ac->sched);
579 if (list_empty(&ac->tid_q) || (len >= size))
580 goto done_for;
581 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
582 list);
583 len += snprintf(buf + len, size - len,
584 " first-tid: %p sched: %i paused: %i\n",
585 tid, tid->sched, tid->paused);
586 }
587 done_for:
588 spin_unlock_bh(&txq->axq_lock);
589 }
590
591done:
592 if (len > size)
593 len = size;
594
595 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
596 kfree(buf);
597
598 return retval;
599}
600
601static ssize_t read_file_stations(struct file *file, char __user *user_buf,
602 size_t count, loff_t *ppos)
603{
604 struct ath_softc *sc = file->private_data;
605 char *buf;
606 unsigned int len = 0, size = 64000;
607 struct ath_node *an = NULL;
608 ssize_t retval = 0;
609 int q;
610
611 buf = kzalloc(size, GFP_KERNEL);
612 if (buf == NULL)
613 return -ENOMEM;
614
615 len += snprintf(buf + len, size - len,
616 "Stations:\n"
617 " tid: addr sched paused buf_q-empty an ac baw\n"
618 " ac: addr sched tid_q-empty txq\n");
619
620 spin_lock(&sc->nodes_lock);
621 list_for_each_entry(an, &sc->nodes, list) {
622 unsigned short ma = an->maxampdu;
623 if (ma == 0)
624 ma = 65535; /* see ath_lookup_rate */
625 len += snprintf(buf + len, size - len,
626 "iface: %pM sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
627 an->vif->addr, an->sta->addr, ma,
628 (unsigned int)(an->mpdudensity));
629 if (len >= size)
630 goto done;
631
632 for (q = 0; q < WME_NUM_TID; q++) {
633 struct ath_atx_tid *tid = &(an->tid[q]);
634 len += snprintf(buf + len, size - len,
635 " tid: %p %s %s %i %p %p %hu\n",
636 tid, tid->sched ? "sched" : "idle",
637 tid->paused ? "paused" : "running",
638 skb_queue_empty(&tid->buf_q),
639 tid->an, tid->ac, tid->baw_size);
640 if (len >= size)
641 goto done;
642 }
643
644 for (q = 0; q < WME_NUM_AC; q++) {
645 struct ath_atx_ac *ac = &(an->ac[q]);
646 len += snprintf(buf + len, size - len,
647 " ac: %p %s %i %p\n",
648 ac, ac->sched ? "sched" : "idle",
649 list_empty(&ac->tid_q), ac->txq);
650 if (len >= size)
651 goto done;
652 }
653 }
654
655done:
656 spin_unlock(&sc->nodes_lock);
657 if (len > size)
658 len = size;
659
660 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
661 kfree(buf);
662
663 return retval;
664}
665
666static ssize_t read_file_misc(struct file *file, char __user *user_buf,
667 size_t count, loff_t *ppos)
668{
669 struct ath_softc *sc = file->private_data;
670 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
671 struct ieee80211_hw *hw = sc->hw;
672 struct ath9k_vif_iter_data iter_data;
673 char buf[512];
674 unsigned int len = 0;
675 ssize_t retval = 0;
676 unsigned int reg;
677 u32 rxfilter;
678
679 len += snprintf(buf + len, sizeof(buf) - len,
680 "BSSID: %pM\n", common->curbssid);
681 len += snprintf(buf + len, sizeof(buf) - len,
682 "BSSID-MASK: %pM\n", common->bssidmask);
683 len += snprintf(buf + len, sizeof(buf) - len,
684 "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
685
686 ath9k_ps_wakeup(sc);
687 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
688 ath9k_ps_restore(sc);
689
690 len += snprintf(buf + len, sizeof(buf) - len,
691 "RXFILTER: 0x%x", rxfilter);
692
693 if (rxfilter & ATH9K_RX_FILTER_UCAST)
694 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
695 if (rxfilter & ATH9K_RX_FILTER_MCAST)
696 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
697 if (rxfilter & ATH9K_RX_FILTER_BCAST)
698 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
699 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
700 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
701 if (rxfilter & ATH9K_RX_FILTER_BEACON)
702 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
703 if (rxfilter & ATH9K_RX_FILTER_PROM)
704 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
705 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
706 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
707 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
708 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
709 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
710 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
711 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
712 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
713 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
714 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
715 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
716 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
717 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
718 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
719 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
720 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
721
722 len += snprintf(buf + len, sizeof(buf) - len, "\n");
723
724 reg = sc->sc_ah->imask;
725
726 len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
727
728 if (reg & ATH9K_INT_SWBA)
729 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
730 if (reg & ATH9K_INT_BMISS)
731 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
732 if (reg & ATH9K_INT_CST)
733 len += snprintf(buf + len, sizeof(buf) - len, " CST");
734 if (reg & ATH9K_INT_RX)
735 len += snprintf(buf + len, sizeof(buf) - len, " RX");
736 if (reg & ATH9K_INT_RXHP)
737 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
738 if (reg & ATH9K_INT_RXLP)
739 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
740 if (reg & ATH9K_INT_BB_WATCHDOG)
741 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
742
743 len += snprintf(buf + len, sizeof(buf) - len, "\n");
744
745 ath9k_calculate_iter_data(hw, NULL, &iter_data);
746
747 len += snprintf(buf + len, sizeof(buf) - len,
748 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
749 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
750 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
751 iter_data.nwds, iter_data.nadhocs,
752 sc->nvifs, sc->nbcnvifs);
753
754 if (len > sizeof(buf))
755 len = sizeof(buf);
756
757 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
758 return retval;
759}
760
761static ssize_t read_file_reset(struct file *file, char __user *user_buf,
762 size_t count, loff_t *ppos)
763{
764 struct ath_softc *sc = file->private_data;
765 char buf[512];
766 unsigned int len = 0;
767
768 len += snprintf(buf + len, sizeof(buf) - len,
769 "%17s: %2d\n", "Baseband Hang",
770 sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
771 len += snprintf(buf + len, sizeof(buf) - len,
772 "%17s: %2d\n", "Baseband Watchdog",
773 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
774 len += snprintf(buf + len, sizeof(buf) - len,
775 "%17s: %2d\n", "Fatal HW Error",
776 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
777 len += snprintf(buf + len, sizeof(buf) - len,
778 "%17s: %2d\n", "TX HW error",
779 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
780 len += snprintf(buf + len, sizeof(buf) - len,
781 "%17s: %2d\n", "TX Path Hang",
782 sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
783 len += snprintf(buf + len, sizeof(buf) - len,
784 "%17s: %2d\n", "PLL RX Hang",
785 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
786
787 if (len > sizeof(buf))
788 len = sizeof(buf);
789
790 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
791}
792
793void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
794 struct ath_tx_status *ts, struct ath_txq *txq,
795 unsigned int flags)
796{
797#define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
798 [sc->debug.tsidx].c)
799 int qnum = txq->axq_qnum;
800
801 TX_STAT_INC(qnum, tx_pkts_all);
802 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
803
804 if (bf_isampdu(bf)) {
805 if (flags & ATH_TX_ERROR)
806 TX_STAT_INC(qnum, a_xretries);
807 else
808 TX_STAT_INC(qnum, a_completed);
809 } else {
810 if (ts->ts_status & ATH9K_TXERR_XRETRY)
811 TX_STAT_INC(qnum, xretries);
812 else
813 TX_STAT_INC(qnum, completed);
814 }
815
816 if (ts->ts_status & ATH9K_TXERR_FIFO)
817 TX_STAT_INC(qnum, fifo_underrun);
818 if (ts->ts_status & ATH9K_TXERR_XTXOP)
819 TX_STAT_INC(qnum, xtxop);
820 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
821 TX_STAT_INC(qnum, timer_exp);
822 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
823 TX_STAT_INC(qnum, desc_cfg_err);
824 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
825 TX_STAT_INC(qnum, data_underrun);
826 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
827 TX_STAT_INC(qnum, delim_underrun);
828
829#ifdef CONFIG_ATH9K_MAC_DEBUG
830 spin_lock(&sc->debug.samp_lock);
831 TX_SAMP_DBG(jiffies) = jiffies;
832 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
833 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
834 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
835 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
836 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
837 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
838 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
839 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
840 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
841 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
842 TX_SAMP_DBG(rssi) = ts->ts_rssi;
843 TX_SAMP_DBG(tid) = ts->tid;
844 TX_SAMP_DBG(qid) = ts->qid;
845
846 if (ts->ts_flags & ATH9K_TX_BA) {
847 TX_SAMP_DBG(ba_low) = ts->ba_low;
848 TX_SAMP_DBG(ba_high) = ts->ba_high;
849 } else {
850 TX_SAMP_DBG(ba_low) = 0;
851 TX_SAMP_DBG(ba_high) = 0;
852 }
853
854 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
855 spin_unlock(&sc->debug.samp_lock);
856#endif
857
858#undef TX_SAMP_DBG
859}
860
861static const struct file_operations fops_xmit = {
862 .read = read_file_xmit,
863 .open = simple_open,
864 .owner = THIS_MODULE,
865 .llseek = default_llseek,
866};
867
868static const struct file_operations fops_stations = {
869 .read = read_file_stations,
870 .open = simple_open,
871 .owner = THIS_MODULE,
872 .llseek = default_llseek,
873};
874
875static const struct file_operations fops_misc = {
876 .read = read_file_misc,
877 .open = simple_open,
878 .owner = THIS_MODULE,
879 .llseek = default_llseek,
880};
881
882static const struct file_operations fops_reset = {
883 .read = read_file_reset,
884 .open = simple_open,
885 .owner = THIS_MODULE,
886 .llseek = default_llseek,
887};
888
889static ssize_t read_file_recv(struct file *file, char __user *user_buf,
890 size_t count, loff_t *ppos)
891{
892#define PHY_ERR(s, p) \
893 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
894 sc->debug.stats.rxstats.phy_err_stats[p]);
895
896#define RXS_ERR(s, e) \
897 do { \
898 len += snprintf(buf + len, size - len, \
899 "%22s : %10u\n", s, \
900 sc->debug.stats.rxstats.e); \
901 } while (0)
902
903 struct ath_softc *sc = file->private_data;
904 char *buf;
905 unsigned int len = 0, size = 1600;
906 ssize_t retval = 0;
907
908 buf = kzalloc(size, GFP_KERNEL);
909 if (buf == NULL)
910 return -ENOMEM;
911
912 RXS_ERR("CRC ERR", crc_err);
913 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
914 RXS_ERR("PHY ERR", phy_err);
915 RXS_ERR("MIC ERR", mic_err);
916 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
917 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
918 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
919 RXS_ERR("RX-LENGTH-ERR", rx_len_err);
920 RXS_ERR("RX-OOM-ERR", rx_oom_err);
921 RXS_ERR("RX-RATE-ERR", rx_rate_err);
922 RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
923 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
924
925 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
926 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
927 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
928 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
929 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
930 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
931 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
932 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
933 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
934 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
935 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
936 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
937 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
938 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
939 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
940 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
941 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
942 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
943 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
944 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
945 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
946 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
947 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
948 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
949 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
950 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
951
952 RXS_ERR("RX-Pkts-All", rx_pkts_all);
953 RXS_ERR("RX-Bytes-All", rx_bytes_all);
954 RXS_ERR("RX-Beacons", rx_beacons);
955 RXS_ERR("RX-Frags", rx_frags);
956
957 if (len > size)
958 len = size;
959
960 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
961 kfree(buf);
962
963 return retval;
964
965#undef RXS_ERR
966#undef PHY_ERR
967}
968
969void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
970{
971#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
972#define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
973 [sc->debug.rsidx].c)
974
975 RX_STAT_INC(rx_pkts_all);
976 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
977
978 if (rs->rs_status & ATH9K_RXERR_CRC)
979 RX_STAT_INC(crc_err);
980 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
981 RX_STAT_INC(decrypt_crc_err);
982 if (rs->rs_status & ATH9K_RXERR_MIC)
983 RX_STAT_INC(mic_err);
984 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
985 RX_STAT_INC(pre_delim_crc_err);
986 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
987 RX_STAT_INC(post_delim_crc_err);
988 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
989 RX_STAT_INC(decrypt_busy_err);
990
991 if (rs->rs_status & ATH9K_RXERR_PHY) {
992 RX_STAT_INC(phy_err);
993 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
994 RX_PHY_ERR_INC(rs->rs_phyerr);
995 }
996
997#ifdef CONFIG_ATH9K_MAC_DEBUG
998 spin_lock(&sc->debug.samp_lock);
999 RX_SAMP_DBG(jiffies) = jiffies;
1000 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1001 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1002 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1003 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1004 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1005 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1006 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1007 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1008 RX_SAMP_DBG(rate) = rs->rs_rate;
1009 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1010
1011 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1012 spin_unlock(&sc->debug.samp_lock);
1013
1014#endif
1015
1016#undef RX_PHY_ERR_INC
1017#undef RX_SAMP_DBG
1018}
1019
1020static const struct file_operations fops_recv = {
1021 .read = read_file_recv,
1022 .open = simple_open,
1023 .owner = THIS_MODULE,
1024 .llseek = default_llseek,
1025};
1026
1027static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1028 size_t count, loff_t *ppos)
1029{
1030 struct ath_softc *sc = file->private_data;
1031 char buf[32];
1032 unsigned int len;
1033
1034 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1035 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1036}
1037
1038static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1039 size_t count, loff_t *ppos)
1040{
1041 struct ath_softc *sc = file->private_data;
1042 unsigned long regidx;
1043 char buf[32];
1044 ssize_t len;
1045
1046 len = min(count, sizeof(buf) - 1);
1047 if (copy_from_user(buf, user_buf, len))
1048 return -EFAULT;
1049
1050 buf[len] = '\0';
1051 if (strict_strtoul(buf, 0, ®idx))
1052 return -EINVAL;
1053
1054 sc->debug.regidx = regidx;
1055 return count;
1056}
1057
1058static const struct file_operations fops_regidx = {
1059 .read = read_file_regidx,
1060 .write = write_file_regidx,
1061 .open = simple_open,
1062 .owner = THIS_MODULE,
1063 .llseek = default_llseek,
1064};
1065
1066static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1067 size_t count, loff_t *ppos)
1068{
1069 struct ath_softc *sc = file->private_data;
1070 struct ath_hw *ah = sc->sc_ah;
1071 char buf[32];
1072 unsigned int len;
1073 u32 regval;
1074
1075 ath9k_ps_wakeup(sc);
1076 regval = REG_READ_D(ah, sc->debug.regidx);
1077 ath9k_ps_restore(sc);
1078 len = sprintf(buf, "0x%08x\n", regval);
1079 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1080}
1081
1082static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1083 size_t count, loff_t *ppos)
1084{
1085 struct ath_softc *sc = file->private_data;
1086 struct ath_hw *ah = sc->sc_ah;
1087 unsigned long regval;
1088 char buf[32];
1089 ssize_t len;
1090
1091 len = min(count, sizeof(buf) - 1);
1092 if (copy_from_user(buf, user_buf, len))
1093 return -EFAULT;
1094
1095 buf[len] = '\0';
1096 if (strict_strtoul(buf, 0, ®val))
1097 return -EINVAL;
1098
1099 ath9k_ps_wakeup(sc);
1100 REG_WRITE_D(ah, sc->debug.regidx, regval);
1101 ath9k_ps_restore(sc);
1102 return count;
1103}
1104
1105static const struct file_operations fops_regval = {
1106 .read = read_file_regval,
1107 .write = write_file_regval,
1108 .open = simple_open,
1109 .owner = THIS_MODULE,
1110 .llseek = default_llseek,
1111};
1112
1113#define REGDUMP_LINE_SIZE 20
1114
1115static int open_file_regdump(struct inode *inode, struct file *file)
1116{
1117 struct ath_softc *sc = inode->i_private;
1118 unsigned int len = 0;
1119 u8 *buf;
1120 int i;
1121 unsigned long num_regs, regdump_len, max_reg_offset;
1122
1123 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1124 num_regs = max_reg_offset / 4 + 1;
1125 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1126 buf = vmalloc(regdump_len);
1127 if (!buf)
1128 return -ENOMEM;
1129
1130 ath9k_ps_wakeup(sc);
1131 for (i = 0; i < num_regs; i++)
1132 len += scnprintf(buf + len, regdump_len - len,
1133 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1134 ath9k_ps_restore(sc);
1135
1136 file->private_data = buf;
1137
1138 return 0;
1139}
1140
1141static const struct file_operations fops_regdump = {
1142 .open = open_file_regdump,
1143 .read = ath9k_debugfs_read_buf,
1144 .release = ath9k_debugfs_release_buf,
1145 .owner = THIS_MODULE,
1146 .llseek = default_llseek,/* read accesses f_pos */
1147};
1148
1149static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1150 size_t count, loff_t *ppos)
1151{
1152 struct ath_softc *sc = file->private_data;
1153 struct ath_hw *ah = sc->sc_ah;
1154 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1155 struct ath_common *common = ath9k_hw_common(ah);
1156 struct ieee80211_conf *conf = &common->hw->conf;
1157 u32 len = 0, size = 1500;
1158 u32 i, j;
1159 ssize_t retval = 0;
1160 char *buf;
1161 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1162 u8 nread;
1163
1164 buf = kzalloc(size, GFP_KERNEL);
1165 if (!buf)
1166 return -ENOMEM;
1167
1168 len += snprintf(buf + len, size - len,
1169 "Channel Noise Floor : %d\n", ah->noise);
1170 len += snprintf(buf + len, size - len,
1171 "Chain | privNF | # Readings | NF Readings\n");
1172 for (i = 0; i < NUM_NF_READINGS; i++) {
1173 if (!(chainmask & (1 << i)) ||
1174 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1175 continue;
1176
1177 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1178 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1179 i, h[i].privNF, nread);
1180 for (j = 0; j < nread; j++)
1181 len += snprintf(buf + len, size - len,
1182 " %d", h[i].nfCalBuffer[j]);
1183 len += snprintf(buf + len, size - len, "\n");
1184 }
1185
1186 if (len > size)
1187 len = size;
1188
1189 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1190 kfree(buf);
1191
1192 return retval;
1193}
1194
1195static const struct file_operations fops_dump_nfcal = {
1196 .read = read_file_dump_nfcal,
1197 .open = simple_open,
1198 .owner = THIS_MODULE,
1199 .llseek = default_llseek,
1200};
1201
1202static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1203 size_t count, loff_t *ppos)
1204{
1205 struct ath_softc *sc = file->private_data;
1206 struct ath_hw *ah = sc->sc_ah;
1207 u32 len = 0, size = 1500;
1208 ssize_t retval = 0;
1209 char *buf;
1210
1211 buf = kzalloc(size, GFP_KERNEL);
1212 if (!buf)
1213 return -ENOMEM;
1214
1215 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1216
1217 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1218 kfree(buf);
1219
1220 return retval;
1221}
1222
1223static const struct file_operations fops_base_eeprom = {
1224 .read = read_file_base_eeprom,
1225 .open = simple_open,
1226 .owner = THIS_MODULE,
1227 .llseek = default_llseek,
1228};
1229
1230static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1231 size_t count, loff_t *ppos)
1232{
1233 struct ath_softc *sc = file->private_data;
1234 struct ath_hw *ah = sc->sc_ah;
1235 u32 len = 0, size = 6000;
1236 char *buf;
1237 size_t retval;
1238
1239 buf = kzalloc(size, GFP_KERNEL);
1240 if (buf == NULL)
1241 return -ENOMEM;
1242
1243 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1244
1245 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1246 kfree(buf);
1247
1248 return retval;
1249}
1250
1251static const struct file_operations fops_modal_eeprom = {
1252 .read = read_file_modal_eeprom,
1253 .open = simple_open,
1254 .owner = THIS_MODULE,
1255 .llseek = default_llseek,
1256};
1257
1258#ifdef CONFIG_ATH9K_MAC_DEBUG
1259
1260void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1261{
1262#define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1263 struct ath_hw *ah = sc->sc_ah;
1264 struct ath_common *common = ath9k_hw_common(ah);
1265 unsigned long flags;
1266 int i;
1267
1268 ath9k_ps_wakeup(sc);
1269
1270 spin_lock_bh(&sc->debug.samp_lock);
1271
1272 spin_lock_irqsave(&common->cc_lock, flags);
1273 ath_hw_cycle_counters_update(common);
1274
1275 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1276 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1277 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1278 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1279 spin_unlock_irqrestore(&common->cc_lock, flags);
1280
1281 ATH_SAMP_DBG(noise) = ah->noise;
1282
1283 REG_WRITE_D(ah, AR_MACMISC,
1284 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1285 (AR_MACMISC_MISC_OBS_BUS_1 <<
1286 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1287
1288 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1289 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1290 AR_DMADBG_0 + (i * sizeof(u32)));
1291
1292 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1293 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1294
1295 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1296 sizeof(ATH_SAMP_DBG(nfCalHist)));
1297
1298 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1299 spin_unlock_bh(&sc->debug.samp_lock);
1300 ath9k_ps_restore(sc);
1301
1302#undef ATH_SAMP_DBG
1303}
1304
1305static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1306{
1307#define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1308 struct ath_softc *sc = inode->i_private;
1309 struct ath_hw *ah = sc->sc_ah;
1310 struct ath_common *common = ath9k_hw_common(ah);
1311 struct ieee80211_conf *conf = &common->hw->conf;
1312 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1313 struct ath9k_nfcal_hist *h;
1314 int i, j, qcuOffset = 0, dcuOffset = 0;
1315 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1316 u32 sampidx = 0;
1317 u8 *buf;
1318 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1319 u8 nread;
1320
1321 if (sc->sc_flags & SC_OP_INVALID)
1322 return -EAGAIN;
1323
1324 buf = vmalloc(size);
1325 if (!buf)
1326 return -ENOMEM;
1327 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1328 if (!bb_mac_samp) {
1329 vfree(buf);
1330 return -ENOMEM;
1331 }
1332 /* Account the current state too */
1333 ath9k_debug_samp_bb_mac(sc);
1334
1335 spin_lock_bh(&sc->debug.samp_lock);
1336 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1337 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1338 len += snprintf(buf + len, size - len,
1339 "Current Sample Index: %d\n", sc->debug.sampidx);
1340 spin_unlock_bh(&sc->debug.samp_lock);
1341
1342 len += snprintf(buf + len, size - len,
1343 "Raw DMA Debug Dump:\n");
1344 len += snprintf(buf + len, size - len, "Sample |\t");
1345 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1346 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1347 len += snprintf(buf + len, size - len, "\n");
1348
1349 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1350 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1351
1352 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1353 len += snprintf(buf + len, size - len, " %08x\t",
1354 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1355 len += snprintf(buf + len, size - len, "\n");
1356 }
1357 len += snprintf(buf + len, size - len, "\n");
1358
1359 len += snprintf(buf + len, size - len,
1360 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1361 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1362 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1363 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1364
1365 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1366 qcuOffset += 4, dcuOffset += 5) {
1367 if (i == 8) {
1368 qcuOffset = 0;
1369 qcuBase++;
1370 }
1371
1372 if (i == 6) {
1373 dcuOffset = 0;
1374 dcuBase++;
1375 }
1376 if (!sc->debug.stats.txstats[i].queued)
1377 continue;
1378
1379 len += snprintf(buf + len, size - len,
1380 "%4d %7d %2x %1x %2x %2x\n",
1381 sampidx, i,
1382 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1383 (*qcuBase & (0x8 << qcuOffset)) >>
1384 (qcuOffset + 3),
1385 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1386 (0x7 << (i * 3)) >> (i * 3),
1387 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1388 }
1389 len += snprintf(buf + len, size - len, "\n");
1390 }
1391 len += snprintf(buf + len, size - len,
1392 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1393 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1394 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1395
1396 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1397 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1398 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1399
1400 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1401 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1402 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1403 len += snprintf(buf + len, size - len, "%7x %8x ",
1404 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1405 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1406 len += snprintf(buf + len, size - len, "%7x %7x ",
1407 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1408 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1409 len += snprintf(buf + len, size - len, "%7d %12d ",
1410 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1411 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1412 len += snprintf(buf + len, size - len, "%12d %12d ",
1413 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1414 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1415 len += snprintf(buf + len, size - len, "%12d %12d ",
1416 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1417 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1418 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1419 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1420 }
1421
1422 len += snprintf(buf + len, size - len,
1423 "Sample ChNoise Chain privNF #Reading Readings\n");
1424 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1425 h = ATH_SAMP_DBG(nfCalHist);
1426 if (!ATH_SAMP_DBG(noise))
1427 continue;
1428
1429 for (i = 0; i < NUM_NF_READINGS; i++) {
1430 if (!(chainmask & (1 << i)) ||
1431 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1432 continue;
1433
1434 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1435 h[i].invalidNFcount;
1436 len += snprintf(buf + len, size - len,
1437 "%4d %5d %4d\t %d\t %d\t",
1438 sampidx, ATH_SAMP_DBG(noise),
1439 i, h[i].privNF, nread);
1440 for (j = 0; j < nread; j++)
1441 len += snprintf(buf + len, size - len,
1442 " %d", h[i].nfCalBuffer[j]);
1443 len += snprintf(buf + len, size - len, "\n");
1444 }
1445 }
1446 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1447 "Sample Total Rxbusy Rxframes Txframes\n");
1448 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1449 if (!ATH_SAMP_DBG(cc.cycles))
1450 continue;
1451 len += snprintf(buf + len, size - len,
1452 "%4d %08x %08x %08x %08x\n",
1453 sampidx, ATH_SAMP_DBG(cc.cycles),
1454 ATH_SAMP_DBG(cc.rx_busy),
1455 ATH_SAMP_DBG(cc.rx_frame),
1456 ATH_SAMP_DBG(cc.tx_frame));
1457 }
1458
1459 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1460 len += snprintf(buf + len, size - len,
1461 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1462 "isok rts_fail data_fail rate tid qid "
1463 "ba_low ba_high tx_before(ms)\n");
1464 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1465 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1466 if (!ATH_SAMP_DBG(ts[i].jiffies))
1467 continue;
1468 len += snprintf(buf + len, size - len, "%-14d"
1469 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1470 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1471 sampidx,
1472 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1473 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1474 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1475 ATH_SAMP_DBG(ts[i].rssi_ext0),
1476 ATH_SAMP_DBG(ts[i].rssi_ext1),
1477 ATH_SAMP_DBG(ts[i].rssi_ext2),
1478 ATH_SAMP_DBG(ts[i].rssi),
1479 ATH_SAMP_DBG(ts[i].isok),
1480 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1481 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1482 ATH_SAMP_DBG(ts[i].rateindex),
1483 ATH_SAMP_DBG(ts[i].tid),
1484 ATH_SAMP_DBG(ts[i].qid),
1485 ATH_SAMP_DBG(ts[i].ba_low),
1486 ATH_SAMP_DBG(ts[i].ba_high),
1487 jiffies_to_msecs(jiffies -
1488 ATH_SAMP_DBG(ts[i].jiffies)));
1489 }
1490 }
1491
1492 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1493 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1494 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1495 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1496 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1497 if (!ATH_SAMP_DBG(rs[i].jiffies))
1498 continue;
1499 len += snprintf(buf + len, size - len, "%-14d"
1500 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1501 sampidx,
1502 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1503 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1504 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1505 ATH_SAMP_DBG(rs[i].rssi_ext0),
1506 ATH_SAMP_DBG(rs[i].rssi_ext1),
1507 ATH_SAMP_DBG(rs[i].rssi_ext2),
1508 ATH_SAMP_DBG(rs[i].rssi),
1509 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1510 "True" : "False",
1511 ATH_SAMP_DBG(rs[i].antenna),
1512 ATH_SAMP_DBG(rs[i].rate),
1513 jiffies_to_msecs(jiffies -
1514 ATH_SAMP_DBG(rs[i].jiffies)));
1515 }
1516 }
1517
1518 vfree(bb_mac_samp);
1519 file->private_data = buf;
1520
1521 return 0;
1522#undef ATH_SAMP_DBG
1523}
1524
1525static const struct file_operations fops_samps = {
1526 .open = open_file_bb_mac_samps,
1527 .read = ath9k_debugfs_read_buf,
1528 .release = ath9k_debugfs_release_buf,
1529 .owner = THIS_MODULE,
1530 .llseek = default_llseek,
1531};
1532
1533#endif
1534
1535int ath9k_init_debug(struct ath_hw *ah)
1536{
1537 struct ath_common *common = ath9k_hw_common(ah);
1538 struct ath_softc *sc = (struct ath_softc *) common->priv;
1539
1540 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1541 sc->hw->wiphy->debugfsdir);
1542 if (!sc->debug.debugfs_phy)
1543 return -ENOMEM;
1544
1545#ifdef CONFIG_ATH_DEBUG
1546 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1547 sc, &fops_debug);
1548#endif
1549
1550 ath9k_dfs_init_debug(sc);
1551
1552 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1553 &fops_dma);
1554 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1555 &fops_interrupt);
1556 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1557 &fops_xmit);
1558 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1559 &fops_stations);
1560 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1561 &fops_misc);
1562 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1563 &fops_reset);
1564 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1565 &fops_recv);
1566 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1567 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1568 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1569 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1570 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1571 sc->debug.debugfs_phy, sc, &fops_disable_ani);
1572 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1573 sc, &fops_regidx);
1574 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1575 sc, &fops_regval);
1576 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1577 sc->debug.debugfs_phy,
1578 &ah->config.cwm_ignore_extcca);
1579 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1580 &fops_regdump);
1581 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1582 &fops_dump_nfcal);
1583 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1584 &fops_base_eeprom);
1585 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1586 &fops_modal_eeprom);
1587#ifdef CONFIG_ATH9K_MAC_DEBUG
1588 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1589 &fops_samps);
1590#endif
1591
1592 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1593 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1594
1595 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1596 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1597
1598 return 0;
1599}