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ath9k: clean up debugfs print of reset causes
[linux-2.6-block.git] / drivers / net / wireless / ath / ath9k / debug.c
CommitLineData
88b126af 1/*
5b68138e 2 * Copyright (c) 2008-2011 Atheros Communications Inc.
88b126af
S		 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
5a0e3ad6 17#include <linux/slab.h>
582d0064 18#include <linux/vmalloc.h>
ee40fa06 19#include <linux/export.h>
52103115
GJ		 20#include <asm/unaligned.h>
21
394cf0a1 22#include "ath9k.h"
88b126af 23
475a6e4d
LR		 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
6a4d05dc
FF		 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}
2a163c6d 70
582d0064
VT		 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
a830df07
FF		 84#ifdef CONFIG_ATH_DEBUG
85
2493928e
JH		 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;
c46917bb 90 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
2493928e 91 char buf[32];
581f725c
VT		 92 unsigned int len;
93
2b87f3aa 94 len = sprintf(buf, "0x%08x\n", common->debug_mask);
2493928e
JH		 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;
c46917bb 102 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
2493928e
JH		 103 unsigned long mask;
104 char buf[32];
581f725c
VT		 105 ssize_t len;
106
107 len = min(count, sizeof(buf) - 1);
108 if (copy_from_user(buf, user_buf, len))
04236066 109 return -EFAULT;
581f725c
VT		 110
111 buf[len] = '\0';
27d7f477 112 if (kstrtoul(buf, 0, &mask))
581f725c
VT		 113 return -EINVAL;
114
c46917bb 115 common->debug_mask = mask;
2493928e
JH		 116 return count;
117}
118
119static const struct file_operations fops_debug = {
120 .read = read_file_debug,
121 .write = write_file_debug,
234e3405 122 .open = simple_open,
6038f373
AB		 123 .owner = THIS_MODULE,
124 .llseek = default_llseek,
2493928e
JH		 125};
126
a830df07
FF		 127#endif
128
991a0987
PR		 129#define DMA_BUF_LEN 1024
130
15340694 131
6e4d291e 132static ssize_t read_file_ani(struct file *file, char __user *user_buf,
05c0be2f
MSS		 133 size_t count, loff_t *ppos)
134{
135 struct ath_softc *sc = file->private_data;
136 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
6e4d291e 137 struct ath_hw *ah = sc->sc_ah;
2120ac96
JP		 138 unsigned int len = 0;
139 const unsigned int size = 1024;
6e4d291e
SM		 140 ssize_t retval = 0;
141 char *buf;
abee4c84
FF		 142 int i;
143 struct {
144 const char *name;
145 unsigned int val;
146 } ani_info[] = {
147 { "ANI RESET", ah->stats.ast_ani_reset },
148 { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
149 { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
150 { "SPUR UP", ah->stats.ast_ani_spurup },
151 { "SPUR DOWN", ah->stats.ast_ani_spurup },
152 { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
153 { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
154 { "MRC-CCK ON", ah->stats.ast_ani_ccklow },
155 { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },
156 { "FIR-STEP UP", ah->stats.ast_ani_stepup },
157 { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },
158 { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },
159 { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },
160 { "CCK ERRORS", ah->stats.ast_ani_cckerrs },
161 };
05c0be2f 162
6e4d291e
SM		 163 buf = kzalloc(size, GFP_KERNEL);
164 if (buf == NULL)
165 return -ENOMEM;
166
abee4c84
FF		 167 len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",
168 common->disable_ani ? "DISABLED" : "ENABLED");
169
170 if (common->disable_ani)
6e4d291e 171 goto exit;
abee4c84
FF		 172
173 for (i = 0; i < ARRAY_SIZE(ani_info); i++)
174 len += scnprintf(buf + len, size - len, "%15s: %u\n",
175 ani_info[i].name, ani_info[i].val);
176
6e4d291e
SM		 177exit:
178 if (len > size)
179 len = size;
180
181 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
182 kfree(buf);
183
184 return retval;
05c0be2f
MSS		 185}
186
6e4d291e
SM		 187static ssize_t write_file_ani(struct file *file,
188 const char __user *user_buf,
189 size_t count, loff_t *ppos)
05c0be2f
MSS		 190{
191 struct ath_softc *sc = file->private_data;
192 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
6e4d291e 193 unsigned long ani;
05c0be2f
MSS		 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';
3899ba90 202 if (kstrtoul(buf, 0, &ani))
05c0be2f
MSS		 203 return -EINVAL;
204
3f557202 205 if (ani > 1)
05c0be2f
MSS		 206 return -EINVAL;
207
6e4d291e 208 common->disable_ani = !ani;
05c0be2f 209
6e4d291e 210 if (common->disable_ani) {
eefa01dd 211 clear_bit(ATH_OP_ANI_RUN, &common->op_flags);
da0d45f7 212 ath_stop_ani(sc);
05c0be2f 213 } else {
da0d45f7 214 ath_check_ani(sc);
05c0be2f
MSS		 215 }
216
217 return count;
218}
219
6e4d291e
SM		 220static const struct file_operations fops_ani = {
221 .read = read_file_ani,
222 .write = write_file_ani,
234e3405 223 .open = simple_open,
05c0be2f
MSS		 224 .owner = THIS_MODULE,
225 .llseek = default_llseek,
226};
15340694 227
36e8825e
SM		 228#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
229
63081305
SM		 230static ssize_t read_file_bt_ant_diversity(struct file *file,
231 char __user *user_buf,
232 size_t count, loff_t *ppos)
302a3c3a
SM		 233{
234 struct ath_softc *sc = file->private_data;
235 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
236 char buf[32];
237 unsigned int len;
238
63081305 239 len = sprintf(buf, "%d\n", common->bt_ant_diversity);
302a3c3a
SM		 240 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
241}
242
63081305
SM		 243static ssize_t write_file_bt_ant_diversity(struct file *file,
244 const char __user *user_buf,
245 size_t count, loff_t *ppos)
302a3c3a
SM		 246{
247 struct ath_softc *sc = file->private_data;
248 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
3f2da955 249 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
63081305 250 unsigned long bt_ant_diversity;
302a3c3a
SM		 251 char buf[32];
252 ssize_t len;
253
254 len = min(count, sizeof(buf) - 1);
255 if (copy_from_user(buf, user_buf, len))
256 return -EFAULT;
257
3f2da955
SM		 258 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
259 goto exit;
260
302a3c3a 261 buf[len] = '\0';
63081305 262 if (kstrtoul(buf, 0, &bt_ant_diversity))
302a3c3a
SM		 263 return -EINVAL;
264
63081305 265 common->bt_ant_diversity = !!bt_ant_diversity;
302a3c3a 266 ath9k_ps_wakeup(sc);
047dc3ac 267 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
63081305
SM		 268 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
269 common->bt_ant_diversity);
302a3c3a 270 ath9k_ps_restore(sc);
3f2da955 271exit:
302a3c3a
SM		 272 return count;
273}
274
63081305
SM		 275static const struct file_operations fops_bt_ant_diversity = {
276 .read = read_file_bt_ant_diversity,
277 .write = write_file_bt_ant_diversity,
302a3c3a
SM		 278 .open = simple_open,
279 .owner = THIS_MODULE,
280 .llseek = default_llseek,
281};
282
36e8825e
SM		 283#endif
284
e3d52914
SM		 285void ath9k_debug_stat_ant(struct ath_softc *sc,
286 struct ath_hw_antcomb_conf *div_ant_conf,
287 int main_rssi_avg, int alt_rssi_avg)
288{
289 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
290 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
291
292 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
293 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
294
295 as_main->rssi_avg = main_rssi_avg;
296 as_alt->rssi_avg = alt_rssi_avg;
297}
298
4eba10cc
SM		 299static ssize_t read_file_antenna_diversity(struct file *file,
300 char __user *user_buf,
301 size_t count, loff_t *ppos)
302{
303 struct ath_softc *sc = file->private_data;
304 struct ath_hw *ah = sc->sc_ah;
305 struct ath9k_hw_capabilities *pCap = &ah->caps;
306 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
307 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
e3d52914 308 struct ath_hw_antcomb_conf div_ant_conf;
2120ac96
JP		 309 unsigned int len = 0;
310 const unsigned int size = 1024;
4eba10cc
SM		 311 ssize_t retval = 0;
312 char *buf;
2120ac96
JP		 313 static const char *lna_conf_str[4] = {
314 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2"
315 };
4eba10cc
SM		 316
317 buf = kzalloc(size, GFP_KERNEL);
318 if (buf == NULL)
319 return -ENOMEM;
320
321 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
5e88ba62
ZK		 322 len += scnprintf(buf + len, size - len, "%s\n",
323 "Antenna Diversity Combining is disabled");
4eba10cc
SM		 324 goto exit;
325 }
326
e3d52914
SM		 327 ath9k_ps_wakeup(sc);
328 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
5e88ba62
ZK		 329 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
330 lna_conf_str[div_ant_conf.main_lna_conf]);
331 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",
332 lna_conf_str[div_ant_conf.alt_lna_conf]);
333 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
334 as_main->rssi_avg);
335 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
336 as_alt->rssi_avg);
e3d52914
SM		 337 ath9k_ps_restore(sc);
338
5e88ba62
ZK		 339 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
340 len += scnprintf(buf + len, size - len, "-------------------\n");
341
342 len += scnprintf(buf + len, size - len, "%30s%15s\n",
343 "MAIN", "ALT");
344 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
345 "TOTAL COUNT",
346 as_main->recv_cnt,
347 as_alt->recv_cnt);
348 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
349 "LNA1",
350 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
351 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
352 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
353 "LNA2",
354 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
355 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
356 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
357 "LNA1 + LNA2",
358 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
359 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
360 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
361 "LNA1 - LNA2",
362 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
363 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
364
365 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
366 len += scnprintf(buf + len, size - len, "--------------------\n");
367
368 len += scnprintf(buf + len, size - len, "%30s%15s\n",
369 "MAIN", "ALT");
370 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
371 "LNA1",
372 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
373 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
374 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
375 "LNA2",
376 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
377 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
378 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
379 "LNA1 + LNA2",
380 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
381 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
382 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
383 "LNA1 - LNA2",
384 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
385 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
e3d52914 386
4eba10cc
SM		 387exit:
388 if (len > size)
389 len = size;
390
391 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
392 kfree(buf);
393
394 return retval;
395}
396
397static const struct file_operations fops_antenna_diversity = {
398 .read = read_file_antenna_diversity,
399 .open = simple_open,
400 .owner = THIS_MODULE,
401 .llseek = default_llseek,
402};
403
2a163c6d
S		 404static ssize_t read_file_dma(struct file *file, char __user *user_buf,
405 size_t count, loff_t *ppos)
406{
407 struct ath_softc *sc = file->private_data;
cbe61d8a 408 struct ath_hw *ah = sc->sc_ah;
991a0987
PR		 409 char *buf;
410 int retval;
2a163c6d
S		 411 unsigned int len = 0;
412 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
413 int i, qcuOffset = 0, dcuOffset = 0;
414 u32 *qcuBase = &val[0], *dcuBase = &val[4];
415
991a0987
PR		 416 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
417 if (!buf)
04236066 418 return -ENOMEM;
991a0987 419
7cf4a2e7
S		 420 ath9k_ps_wakeup(sc);
421
475a6e4d 422 REG_WRITE_D(ah, AR_MACMISC,
2a163c6d
S		 423 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
424 (AR_MACMISC_MISC_OBS_BUS_1 <<
425 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
426
5e88ba62
ZK		 427 len += scnprintf(buf + len, DMA_BUF_LEN - len,
428 "Raw DMA Debug values:\n");
2a163c6d
S		 429
430 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
431 if (i % 4 == 0)
5e88ba62 432 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
2a163c6d 433
475a6e4d 434 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
5e88ba62
ZK		 435 len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
436 i, val[i]);
2a163c6d
S		 437 }
438
5e88ba62
ZK		 439 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
440 len += scnprintf(buf + len, DMA_BUF_LEN - len,
441 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
2a163c6d
S		 442
443 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
444 if (i == 8) {
445 qcuOffset = 0;
446 qcuBase++;
447 }
448
449 if (i == 6) {
450 dcuOffset = 0;
451 dcuBase++;
452 }
453
5e88ba62
ZK		 454 len += scnprintf(buf + len, DMA_BUF_LEN - len,
455 "%2d %2x %1x %2x %2x\n",
456 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
457 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
458 val[2] & (0x7 << (i * 3)) >> (i * 3),
459 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
2a163c6d
S		 460 }
461
5e88ba62 462 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
2a163c6d 463
5e88ba62 464 len += scnprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 465 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
466 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
5e88ba62 467 len += scnprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 468 "qcu_complete state: %2x dcu_complete state: %2x\n",
469 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
5e88ba62 470 len += scnprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 471 "dcu_arb state: %2x dcu_fp state: %2x\n",
472 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
5e88ba62 473 len += scnprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 474 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
475 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
5e88ba62 476 len += scnprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 477 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
478 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
5e88ba62 479 len += scnprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 480 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
481 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
482
5e88ba62
ZK		 483 len += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
484 REG_READ_D(ah, AR_OBS_BUS_1));
485 len += scnprintf(buf + len, DMA_BUF_LEN - len,
486 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
2a163c6d 487
7cf4a2e7
S		 488 ath9k_ps_restore(sc);
489
2b87f3aa
DC		 490 if (len > DMA_BUF_LEN)
491 len = DMA_BUF_LEN;
492
991a0987
PR		 493 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
494 kfree(buf);
495 return retval;
2a163c6d
S		 496}
497
498static const struct file_operations fops_dma = {
499 .read = read_file_dma,
234e3405 500 .open = simple_open,
6038f373
AB		 501 .owner = THIS_MODULE,
502 .llseek = default_llseek,
2a163c6d
S		 503};
504
817e11de
S		 505
506void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
507{
508 if (status)
17d7904d 509 sc->debug.stats.istats.total++;
a9616f41
LR		 510 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
511 if (status & ATH9K_INT_RXLP)
512 sc->debug.stats.istats.rxlp++;
513 if (status & ATH9K_INT_RXHP)
514 sc->debug.stats.istats.rxhp++;
08578b8f
LR		 515 if (status & ATH9K_INT_BB_WATCHDOG)
516 sc->debug.stats.istats.bb_watchdog++;
a9616f41
LR		 517 } else {
518 if (status & ATH9K_INT_RX)
519 sc->debug.stats.istats.rxok++;
520 }
817e11de 521 if (status & ATH9K_INT_RXEOL)
17d7904d 522 sc->debug.stats.istats.rxeol++;
817e11de 523 if (status & ATH9K_INT_RXORN)
17d7904d 524 sc->debug.stats.istats.rxorn++;
817e11de 525 if (status & ATH9K_INT_TX)
17d7904d 526 sc->debug.stats.istats.txok++;
817e11de 527 if (status & ATH9K_INT_TXURN)
17d7904d 528 sc->debug.stats.istats.txurn++;
817e11de 529 if (status & ATH9K_INT_RXPHY)
17d7904d 530 sc->debug.stats.istats.rxphyerr++;
817e11de 531 if (status & ATH9K_INT_RXKCM)
17d7904d 532 sc->debug.stats.istats.rx_keycache_miss++;
817e11de 533 if (status & ATH9K_INT_SWBA)
17d7904d 534 sc->debug.stats.istats.swba++;
817e11de 535 if (status & ATH9K_INT_BMISS)
17d7904d 536 sc->debug.stats.istats.bmiss++;
817e11de 537 if (status & ATH9K_INT_BNR)
17d7904d 538 sc->debug.stats.istats.bnr++;
817e11de 539 if (status & ATH9K_INT_CST)
17d7904d 540 sc->debug.stats.istats.cst++;
817e11de 541 if (status & ATH9K_INT_GTT)
17d7904d 542 sc->debug.stats.istats.gtt++;
817e11de 543 if (status & ATH9K_INT_TIM)
17d7904d 544 sc->debug.stats.istats.tim++;
817e11de 545 if (status & ATH9K_INT_CABEND)
17d7904d 546 sc->debug.stats.istats.cabend++;
817e11de 547 if (status & ATH9K_INT_DTIMSYNC)
17d7904d 548 sc->debug.stats.istats.dtimsync++;
817e11de 549 if (status & ATH9K_INT_DTIM)
17d7904d 550 sc->debug.stats.istats.dtim++;
6dde1aab
MSS		 551 if (status & ATH9K_INT_TSFOOR)
552 sc->debug.stats.istats.tsfoor++;
97ba515a
SM		 553 if (status & ATH9K_INT_MCI)
554 sc->debug.stats.istats.mci++;
c9e6e980
MSS		 555 if (status & ATH9K_INT_GENTIMER)
556 sc->debug.stats.istats.gen_timer++;
817e11de
S		 557}
558
559static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
560 size_t count, loff_t *ppos)
561{
562 struct ath_softc *sc = file->private_data;
817e11de 563 unsigned int len = 0;
462e58f2
BG		 564 int rv;
565 int mxlen = 4000;
566 char *buf = kmalloc(mxlen, GFP_KERNEL);
567 if (!buf)
568 return -ENOMEM;
569
570#define PR_IS(a, s) \
571 do { \
5e88ba62
ZK		 572 len += scnprintf(buf + len, mxlen - len, \
573 "%21s: %10u\n", a, \
574 sc->debug.stats.istats.s); \
462e58f2 575 } while (0)
817e11de 576
a9616f41 577 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
462e58f2
BG		 578 PR_IS("RXLP", rxlp);
579 PR_IS("RXHP", rxhp);
580 PR_IS("WATHDOG", bb_watchdog);
a9616f41 581 } else {
462e58f2 582 PR_IS("RX", rxok);
a9616f41 583 }
462e58f2
BG		 584 PR_IS("RXEOL", rxeol);
585 PR_IS("RXORN", rxorn);
586 PR_IS("TX", txok);
587 PR_IS("TXURN", txurn);
588 PR_IS("MIB", mib);
589 PR_IS("RXPHY", rxphyerr);
590 PR_IS("RXKCM", rx_keycache_miss);
591 PR_IS("SWBA", swba);
592 PR_IS("BMISS", bmiss);
593 PR_IS("BNR", bnr);
594 PR_IS("CST", cst);
595 PR_IS("GTT", gtt);
596 PR_IS("TIM", tim);
597 PR_IS("CABEND", cabend);
598 PR_IS("DTIMSYNC", dtimsync);
599 PR_IS("DTIM", dtim);
600 PR_IS("TSFOOR", tsfoor);
97ba515a 601 PR_IS("MCI", mci);
c9e6e980 602 PR_IS("GENTIMER", gen_timer);
462e58f2
BG		 603 PR_IS("TOTAL", total);
604
5e88ba62
ZK		 605 len += scnprintf(buf + len, mxlen - len,
606 "SYNC_CAUSE stats:\n");
462e58f2
BG		 607
608 PR_IS("Sync-All", sync_cause_all);
609 PR_IS("RTC-IRQ", sync_rtc_irq);
610 PR_IS("MAC-IRQ", sync_mac_irq);
611 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
612 PR_IS("APB-Timeout", apb_timeout);
613 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
614 PR_IS("HOST1-Fatal", host1_fatal);
615 PR_IS("HOST1-Perr", host1_perr);
616 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
617 PR_IS("RADM-CPL-EP", radm_cpl_ep);
618 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
619 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
620 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
621 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
622 PR_IS("Local-Bus-Timeout", local_timeout);
623 PR_IS("PM-Access", pm_access);
624 PR_IS("MAC-Awake", mac_awake);
625 PR_IS("MAC-Asleep", mac_asleep);
626 PR_IS("MAC-Sleep-Access", mac_sleep_access);
627
628 if (len > mxlen)
629 len = mxlen;
630
631 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
632 kfree(buf);
633 return rv;
817e11de
S		 634}
635
636static const struct file_operations fops_interrupt = {
637 .read = read_file_interrupt,
234e3405 638 .open = simple_open,
6038f373
AB		 639 .owner = THIS_MODULE,
640 .llseek = default_llseek,
817e11de
S		 641};
642
fec247c0
S		 643static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
644 size_t count, loff_t *ppos)
645{
646 struct ath_softc *sc = file->private_data;
647 char *buf;
78ef731c 648 unsigned int len = 0, size = 2048;
fec247c0
S		 649 ssize_t retval = 0;
650
651 buf = kzalloc(size, GFP_KERNEL);
652 if (buf == NULL)
04236066 653 return -ENOMEM;
fec247c0 654
78ef731c 655 len += sprintf(buf, "%30s %10s%10s%10s\n\n",
7f010c93 656 "BE", "BK", "VI", "VO");
fec247c0
S		 657
658 PR("MPDUs Queued: ", queued);
659 PR("MPDUs Completed: ", completed);
5a6f78af 660 PR("MPDUs XRetried: ", xretries);
fec247c0 661 PR("Aggregates: ", a_aggr);
bda8adda
BG		 662 PR("AMPDUs Queued HW:", a_queued_hw);
663 PR("AMPDUs Queued SW:", a_queued_sw);
fec247c0
S		 664 PR("AMPDUs Completed:", a_completed);
665 PR("AMPDUs Retried: ", a_retries);
666 PR("AMPDUs XRetried: ", a_xretries);
4d900389 667 PR("TXERR Filtered: ", txerr_filtered);
fec247c0
S		 668 PR("FIFO Underrun: ", fifo_underrun);
669 PR("TXOP Exceeded: ", xtxop);
670 PR("TXTIMER Expiry: ", timer_exp);
671 PR("DESC CFG Error: ", desc_cfg_err);
672 PR("DATA Underrun: ", data_underrun);
673 PR("DELIM Underrun: ", delim_underrun);
99c15bf5
BG		 674 PR("TX-Pkts-All: ", tx_pkts_all);
675 PR("TX-Bytes-All: ", tx_bytes_all);
78ef731c
SM		 676 PR("HW-put-tx-buf: ", puttxbuf);
677 PR("HW-tx-start: ", txstart);
678 PR("HW-tx-proc-desc: ", txprocdesc);
a5a0bca1 679 PR("TX-Failed: ", txfailed);
71e025a5 680
7f010c93
BG		 681 if (len > size)
682 len = size;
683
684 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
685 kfree(buf);
686
687 return retval;
688}
689
18fcf1c6
FF		 690static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
691 char *buf, ssize_t size)
692{
693 ssize_t len = 0;
694
695 ath_txq_lock(sc, txq);
696
5e88ba62
ZK		 697 len += scnprintf(buf + len, size - len, "%s: %d ",
698 "qnum", txq->axq_qnum);
699 len += scnprintf(buf + len, size - len, "%s: %2d ",
700 "qdepth", txq->axq_depth);
701 len += scnprintf(buf + len, size - len, "%s: %2d ",
702 "ampdu-depth", txq->axq_ampdu_depth);
703 len += scnprintf(buf + len, size - len, "%s: %3d ",
704 "pending", txq->pending_frames);
705 len += scnprintf(buf + len, size - len, "%s: %d\n",
706 "stopped", txq->stopped);
18fcf1c6
FF		 707
708 ath_txq_unlock(sc, txq);
709 return len;
710}
711
c0b74876
SM		 712static ssize_t read_file_queues(struct file *file, char __user *user_buf,
713 size_t count, loff_t *ppos)
714{
715 struct ath_softc *sc = file->private_data;
716 struct ath_txq *txq;
717 char *buf;
2120ac96
JP		 718 unsigned int len = 0;
719 const unsigned int size = 1024;
c0b74876
SM		 720 ssize_t retval = 0;
721 int i;
2120ac96
JP		 722 static const char *qname[4] = {
723 "VO", "VI", "BE", "BK"
724 };
c0b74876
SM		 725
726 buf = kzalloc(size, GFP_KERNEL);
727 if (buf == NULL)
728 return -ENOMEM;
729
730 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
731 txq = sc->tx.txq_map[i];
5e88ba62 732 len += scnprintf(buf + len, size - len, "(%s): ", qname[i]);
18fcf1c6 733 len += print_queue(sc, txq, buf + len, size - len);
c0b74876
SM		 734 }
735
5e88ba62 736 len += scnprintf(buf + len, size - len, "(CAB): ");
18fcf1c6
FF		 737 len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
738
c0b74876
SM		 739 if (len > size)
740 len = size;
741
742 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
743 kfree(buf);
744
745 return retval;
746}
747
55f6d0ff
BG		 748static ssize_t read_file_misc(struct file *file, char __user *user_buf,
749 size_t count, loff_t *ppos)
750{
751 struct ath_softc *sc = file->private_data;
752 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
6bcf6f64 753 struct ath9k_vif_iter_data iter_data;
9a9c4fbc 754 struct ath_chanctx *ctx;
6bcf6f64
SM		 755 char buf[512];
756 unsigned int len = 0;
55f6d0ff 757 ssize_t retval = 0;
55f6d0ff 758 unsigned int reg;
9a9c4fbc 759 u32 rxfilter, i;
55f6d0ff 760
5e88ba62
ZK		 761 len += scnprintf(buf + len, sizeof(buf) - len,
762 "BSSID: %pM\n", common->curbssid);
763 len += scnprintf(buf + len, sizeof(buf) - len,
764 "BSSID-MASK: %pM\n", common->bssidmask);
765 len += scnprintf(buf + len, sizeof(buf) - len,
766 "OPMODE: %s\n",
767 ath_opmode_to_string(sc->sc_ah->opmode));
55f6d0ff 768
79d2b157 769 ath9k_ps_wakeup(sc);
6bcf6f64 770 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
79d2b157 771 ath9k_ps_restore(sc);
6bcf6f64 772
5e88ba62
ZK		 773 len += scnprintf(buf + len, sizeof(buf) - len,
774 "RXFILTER: 0x%x", rxfilter);
6bcf6f64
SM		 775
776 if (rxfilter & ATH9K_RX_FILTER_UCAST)
5e88ba62 777 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
6bcf6f64 778 if (rxfilter & ATH9K_RX_FILTER_MCAST)
5e88ba62 779 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
6bcf6f64 780 if (rxfilter & ATH9K_RX_FILTER_BCAST)
5e88ba62 781 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
6bcf6f64 782 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
5e88ba62 783 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
6bcf6f64 784 if (rxfilter & ATH9K_RX_FILTER_BEACON)
5e88ba62 785 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
6bcf6f64 786 if (rxfilter & ATH9K_RX_FILTER_PROM)
5e88ba62 787 len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
6bcf6f64 788 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
5e88ba62 789 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
6bcf6f64 790 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
5e88ba62 791 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR");
6bcf6f64 792 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
5e88ba62 793 len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON");
6bcf6f64 794 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
5e88ba62 795 len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
6bcf6f64 796 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
5e88ba62 797 len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL");
6bcf6f64 798 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
5e88ba62 799 len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
6bcf6f64 800 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
5e88ba62 801 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
6bcf6f64 802 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
5e88ba62 803 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
6bcf6f64 804
5e88ba62 805 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
55f6d0ff
BG		 806
807 reg = sc->sc_ah->imask;
6bcf6f64 808
5e88ba62
ZK		 809 len += scnprintf(buf + len, sizeof(buf) - len,
810 "INTERRUPT-MASK: 0x%x", reg);
6bcf6f64 811
55f6d0ff 812 if (reg & ATH9K_INT_SWBA)
5e88ba62 813 len += scnprintf(buf + len, sizeof(buf) - len, " SWBA");
55f6d0ff 814 if (reg & ATH9K_INT_BMISS)
5e88ba62 815 len += scnprintf(buf + len, sizeof(buf) - len, " BMISS");
55f6d0ff 816 if (reg & ATH9K_INT_CST)
5e88ba62 817 len += scnprintf(buf + len, sizeof(buf) - len, " CST");
55f6d0ff 818 if (reg & ATH9K_INT_RX)
5e88ba62 819 len += scnprintf(buf + len, sizeof(buf) - len, " RX");
55f6d0ff 820 if (reg & ATH9K_INT_RXHP)
5e88ba62 821 len += scnprintf(buf + len, sizeof(buf) - len, " RXHP");
55f6d0ff 822 if (reg & ATH9K_INT_RXLP)
5e88ba62 823 len += scnprintf(buf + len, sizeof(buf) - len, " RXLP");
55f6d0ff 824 if (reg & ATH9K_INT_BB_WATCHDOG)
5e88ba62 825 len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
55f6d0ff 826
5e88ba62 827 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
6bcf6f64 828
9a9c4fbc
RM		 829 i = 0;
830 ath_for_each_chanctx(sc, ctx) {
831 if (!ctx->assigned || list_empty(&ctx->vifs))
832 continue;
833 ath9k_calculate_iter_data(sc, ctx, &iter_data);
834
835 len += scnprintf(buf + len, sizeof(buf) - len,
836 "VIF-COUNTS: CTX %i AP: %i STA: %i MESH: %i WDS: %i",
837 i++, iter_data.naps, iter_data.nstations,
838 iter_data.nmeshes, iter_data.nwds);
839 len += scnprintf(buf + len, sizeof(buf) - len,
840 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
ca529c93 841 iter_data.nadhocs, sc->cur_chan->nvifs, sc->nbcnvifs);
9a9c4fbc 842 }
55f6d0ff 843
6bcf6f64
SM		 844 if (len > sizeof(buf))
845 len = sizeof(buf);
55f6d0ff
BG		 846
847 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
55f6d0ff
BG		 848 return retval;
849}
850
f8b815dc
SM		 851static ssize_t read_file_reset(struct file *file, char __user *user_buf,
852 size_t count, loff_t *ppos)
853{
854 struct ath_softc *sc = file->private_data;
70e535ed
FF		 855 static const char * const reset_cause[__RESET_TYPE_MAX] = {
856 [RESET_TYPE_BB_HANG] = "Baseband Hang",
857 [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog",
858 [RESET_TYPE_FATAL_INT] = "Fatal HW Error",
859 [RESET_TYPE_TX_ERROR] = "TX HW error",
860 [RESET_TYPE_TX_GTT] = "Transmit timeout",
861 [RESET_TYPE_TX_HANG] = "TX Path Hang",
862 [RESET_TYPE_PLL_HANG] = "PLL RX Hang",
863 [RESET_TYPE_MAC_HANG] = "MAC Hang",
864 [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon",
865 [RESET_TYPE_MCI] = "MCI Reset",
866 };
f8b815dc
SM		 867 char buf[512];
868 unsigned int len = 0;
70e535ed 869 int i;
f8b815dc 870
70e535ed
FF		 871 for (i = 0; i < ARRAY_SIZE(reset_cause); i++) {
872 if (!reset_cause[i])
873 continue;
874
875 len += scnprintf(buf + len, sizeof(buf) - len,
876 "%17s: %2d\n", reset_cause[i],
877 sc->debug.stats.reset[i]);
878 }
f8b815dc
SM		 879
880 if (len > sizeof(buf))
881 len = sizeof(buf);
882
883 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
884}
885
066dae93 886void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
55797b1a
FF		 887 struct ath_tx_status *ts, struct ath_txq *txq,
888 unsigned int flags)
fec247c0 889{
5bec3e5a 890 int qnum = txq->axq_qnum;
066dae93
FF		 891
892 TX_STAT_INC(qnum, tx_pkts_all);
893 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
99c15bf5 894
fec247c0 895 if (bf_isampdu(bf)) {
156369fa 896 if (flags & ATH_TX_ERROR)
066dae93 897 TX_STAT_INC(qnum, a_xretries);
fec247c0 898 else
066dae93 899 TX_STAT_INC(qnum, a_completed);
fec247c0 900 } else {
55797b1a 901 if (ts->ts_status & ATH9K_TXERR_XRETRY)
5a6f78af
FF		 902 TX_STAT_INC(qnum, xretries);
903 else
904 TX_STAT_INC(qnum, completed);
fec247c0
S		 905 }
906
4d900389
BG		 907 if (ts->ts_status & ATH9K_TXERR_FILT)
908 TX_STAT_INC(qnum, txerr_filtered);
db1a052b 909 if (ts->ts_status & ATH9K_TXERR_FIFO)
066dae93 910 TX_STAT_INC(qnum, fifo_underrun);
db1a052b 911 if (ts->ts_status & ATH9K_TXERR_XTXOP)
066dae93 912 TX_STAT_INC(qnum, xtxop);
db1a052b 913 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
066dae93 914 TX_STAT_INC(qnum, timer_exp);
db1a052b 915 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
066dae93 916 TX_STAT_INC(qnum, desc_cfg_err);
db1a052b 917 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
066dae93 918 TX_STAT_INC(qnum, data_underrun);
db1a052b 919 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
066dae93 920 TX_STAT_INC(qnum, delim_underrun);
fec247c0
S		 921}
922
923static const struct file_operations fops_xmit = {
924 .read = read_file_xmit,
234e3405 925 .open = simple_open,
6038f373
AB		 926 .owner = THIS_MODULE,
927 .llseek = default_llseek,
fec247c0 928};
39d89cd3 929
c0b74876
SM		 930static const struct file_operations fops_queues = {
931 .read = read_file_queues,
932 .open = simple_open,
933 .owner = THIS_MODULE,
934 .llseek = default_llseek,
935};
936
55f6d0ff
BG		 937static const struct file_operations fops_misc = {
938 .read = read_file_misc,
234e3405 939 .open = simple_open,
55f6d0ff
BG		 940 .owner = THIS_MODULE,
941 .llseek = default_llseek,
942};
943
f8b815dc
SM		 944static const struct file_operations fops_reset = {
945 .read = read_file_reset,
234e3405 946 .open = simple_open,
f8b815dc
SM		 947 .owner = THIS_MODULE,
948 .llseek = default_llseek,
949};
950
8e6f5aa2 951void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1395d3f0 952{
b5a0c86a 953 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);
1395d3f0
S		 954}
955
9bff0bc4
FF		 956static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
957 size_t count, loff_t *ppos)
958{
959 struct ath_softc *sc = file->private_data;
960 char buf[32];
961 unsigned int len;
962
2b87f3aa 963 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
9bff0bc4
FF		 964 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
965}
966
967static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
968 size_t count, loff_t *ppos)
969{
970 struct ath_softc *sc = file->private_data;
971 unsigned long regidx;
972 char buf[32];
973 ssize_t len;
974
975 len = min(count, sizeof(buf) - 1);
976 if (copy_from_user(buf, user_buf, len))
04236066 977 return -EFAULT;
9bff0bc4
FF		 978
979 buf[len] = '\0';
27d7f477 980 if (kstrtoul(buf, 0, &regidx))
9bff0bc4
FF		 981 return -EINVAL;
982
983 sc->debug.regidx = regidx;
984 return count;
985}
986
987static const struct file_operations fops_regidx = {
988 .read = read_file_regidx,
989 .write = write_file_regidx,
234e3405 990 .open = simple_open,
6038f373
AB		 991 .owner = THIS_MODULE,
992 .llseek = default_llseek,
9bff0bc4
FF		 993};
994
995static ssize_t read_file_regval(struct file *file, char __user *user_buf,
996 size_t count, loff_t *ppos)
997{
998 struct ath_softc *sc = file->private_data;
999 struct ath_hw *ah = sc->sc_ah;
1000 char buf[32];
1001 unsigned int len;
1002 u32 regval;
1003
79d2b157 1004 ath9k_ps_wakeup(sc);
9bff0bc4 1005 regval = REG_READ_D(ah, sc->debug.regidx);
79d2b157 1006 ath9k_ps_restore(sc);
2b87f3aa 1007 len = sprintf(buf, "0x%08x\n", regval);
9bff0bc4
FF		 1008 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1009}
1010
1011static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1012 size_t count, loff_t *ppos)
1013{
1014 struct ath_softc *sc = file->private_data;
1015 struct ath_hw *ah = sc->sc_ah;
1016 unsigned long regval;
1017 char buf[32];
1018 ssize_t len;
1019
1020 len = min(count, sizeof(buf) - 1);
1021 if (copy_from_user(buf, user_buf, len))
04236066 1022 return -EFAULT;
9bff0bc4
FF		 1023
1024 buf[len] = '\0';
27d7f477 1025 if (kstrtoul(buf, 0, &regval))
9bff0bc4
FF		 1026 return -EINVAL;
1027
79d2b157 1028 ath9k_ps_wakeup(sc);
9bff0bc4 1029 REG_WRITE_D(ah, sc->debug.regidx, regval);
79d2b157 1030 ath9k_ps_restore(sc);
9bff0bc4
FF		 1031 return count;
1032}
1033
1034static const struct file_operations fops_regval = {
1035 .read = read_file_regval,
1036 .write = write_file_regval,
234e3405 1037 .open = simple_open,
6038f373
AB		 1038 .owner = THIS_MODULE,
1039 .llseek = default_llseek,
9bff0bc4
FF		 1040};
1041
582d0064
VT		 1042#define REGDUMP_LINE_SIZE 20
1043
1044static int open_file_regdump(struct inode *inode, struct file *file)
1045{
1046 struct ath_softc *sc = inode->i_private;
1047 unsigned int len = 0;
1048 u8 *buf;
1049 int i;
1050 unsigned long num_regs, regdump_len, max_reg_offset;
1051
1052 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1053 num_regs = max_reg_offset / 4 + 1;
1054 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1055 buf = vmalloc(regdump_len);
1056 if (!buf)
1057 return -ENOMEM;
1058
1059 ath9k_ps_wakeup(sc);
1060 for (i = 0; i < num_regs; i++)
1061 len += scnprintf(buf + len, regdump_len - len,
1062 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1063 ath9k_ps_restore(sc);
1064
1065 file->private_data = buf;
1066
1067 return 0;
1068}
1069
1070static const struct file_operations fops_regdump = {
1071 .open = open_file_regdump,
1072 .read = ath9k_debugfs_read_buf,
1073 .release = ath9k_debugfs_release_buf,
1074 .owner = THIS_MODULE,
1075 .llseek = default_llseek,/* read accesses f_pos */
1076};
1077
d069a46b
RM		 1078static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1079 size_t count, loff_t *ppos)
1080{
1081 struct ath_softc *sc = file->private_data;
1082 struct ath_hw *ah = sc->sc_ah;
b01459e8 1083 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist;
d069a46b
RM		 1084 struct ath_common *common = ath9k_hw_common(ah);
1085 struct ieee80211_conf *conf = &common->hw->conf;
1086 u32 len = 0, size = 1500;
1087 u32 i, j;
1088 ssize_t retval = 0;
1089 char *buf;
1090 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1091 u8 nread;
1092
1093 buf = kzalloc(size, GFP_KERNEL);
1094 if (!buf)
1095 return -ENOMEM;
1096
5e88ba62
ZK		 1097 len += scnprintf(buf + len, size - len,
1098 "Channel Noise Floor : %d\n", ah->noise);
1099 len += scnprintf(buf + len, size - len,
1100 "Chain | privNF | # Readings | NF Readings\n");
d069a46b
RM		 1101 for (i = 0; i < NUM_NF_READINGS; i++) {
1102 if (!(chainmask & (1 << i)) ||
1103 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1104 continue;
1105
1106 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
5e88ba62
ZK		 1107 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1108 i, h[i].privNF, nread);
d069a46b 1109 for (j = 0; j < nread; j++)
5e88ba62
ZK		 1110 len += scnprintf(buf + len, size - len,
1111 " %d", h[i].nfCalBuffer[j]);
1112 len += scnprintf(buf + len, size - len, "\n");
d069a46b
RM		 1113 }
1114
1115 if (len > size)
1116 len = size;
1117
1118 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1119 kfree(buf);
1120
1121 return retval;
1122}
1123
1124static const struct file_operations fops_dump_nfcal = {
1125 .read = read_file_dump_nfcal,
234e3405 1126 .open = simple_open,
d069a46b
RM		 1127 .owner = THIS_MODULE,
1128 .llseek = default_llseek,
1129};
1130
4df50ca8
RM		 1131#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1132static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1133 size_t count, loff_t *ppos)
1134{
1135 struct ath_softc *sc = file->private_data;
1136 u32 len = 0, size = 1500;
1137 char *buf;
1138 size_t retval;
1139
1140 buf = kzalloc(size, GFP_KERNEL);
1141 if (buf == NULL)
1142 return -ENOMEM;
1143
ac46ba43 1144 if (!sc->sc_ah->common.btcoex_enabled) {
5e88ba62
ZK		 1145 len = scnprintf(buf, size, "%s\n",
1146 "BTCOEX is disabled");
ac46ba43
SM		 1147 goto exit;
1148 }
4df50ca8 1149
ac46ba43
SM		 1150 len = ath9k_dump_btcoex(sc, buf, size);
1151exit:
4df50ca8
RM		 1152 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1153 kfree(buf);
1154
1155 return retval;
1156}
1157
1158static const struct file_operations fops_btcoex = {
1159 .read = read_file_btcoex,
1160 .open = simple_open,
1161 .owner = THIS_MODULE,
1162 .llseek = default_llseek,
1163};
1164#endif
1165
7a90744c
LB		 1166#ifdef CONFIG_ATH9K_DYNACK
1167static ssize_t read_file_ackto(struct file *file, char __user *user_buf,
1168 size_t count, loff_t *ppos)
1169{
1170 struct ath_softc *sc = file->private_data;
1171 struct ath_hw *ah = sc->sc_ah;
1172 char buf[32];
1173 unsigned int len;
1174
1175 len = sprintf(buf, "%u %c\n", ah->dynack.ackto,
1176 (ah->dynack.enabled) ? 'A' : 'S');
1177
1178 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1179}
1180
1181static const struct file_operations fops_ackto = {
1182 .read = read_file_ackto,
1183 .open = simple_open,
1184 .owner = THIS_MODULE,
1185 .llseek = default_llseek,
1186};
1187#endif
1188
c175db87
SM		 1189/* Ethtool support for get-stats */
1190
1191#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1192static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1193 "tx_pkts_nic",
1194 "tx_bytes_nic",
1195 "rx_pkts_nic",
1196 "rx_bytes_nic",
1197 AMKSTR(d_tx_pkts),
1198 AMKSTR(d_tx_bytes),
1199 AMKSTR(d_tx_mpdus_queued),
1200 AMKSTR(d_tx_mpdus_completed),
1201 AMKSTR(d_tx_mpdu_xretries),
1202 AMKSTR(d_tx_aggregates),
1203 AMKSTR(d_tx_ampdus_queued_hw),
1204 AMKSTR(d_tx_ampdus_queued_sw),
1205 AMKSTR(d_tx_ampdus_completed),
1206 AMKSTR(d_tx_ampdu_retries),
1207 AMKSTR(d_tx_ampdu_xretries),
1208 AMKSTR(d_tx_fifo_underrun),
1209 AMKSTR(d_tx_op_exceeded),
1210 AMKSTR(d_tx_timer_expiry),
1211 AMKSTR(d_tx_desc_cfg_err),
1212 AMKSTR(d_tx_data_underrun),
1213 AMKSTR(d_tx_delim_underrun),
18c45b10 1214 "d_rx_crc_err",
c175db87
SM		 1215 "d_rx_decrypt_crc_err",
1216 "d_rx_phy_err",
1217 "d_rx_mic_err",
1218 "d_rx_pre_delim_crc_err",
1219 "d_rx_post_delim_crc_err",
1220 "d_rx_decrypt_busy_err",
1221
1222 "d_rx_phyerr_radar",
1223 "d_rx_phyerr_ofdm_timing",
1224 "d_rx_phyerr_cck_timing",
1225
1226};
1227#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1228
1229void ath9k_get_et_strings(struct ieee80211_hw *hw,
1230 struct ieee80211_vif *vif,
1231 u32 sset, u8 *data)
1232{
1233 if (sset == ETH_SS_STATS)
1234 memcpy(data, *ath9k_gstrings_stats,
1235 sizeof(ath9k_gstrings_stats));
1236}
1237
1238int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1239 struct ieee80211_vif *vif, int sset)
1240{
1241 if (sset == ETH_SS_STATS)
1242 return ATH9K_SSTATS_LEN;
1243 return 0;
1244}
1245
1246#define AWDATA(elem) \
1247 do { \
1248 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1249 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1250 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1251 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1252 } while (0)
1253
1254#define AWDATA_RX(elem) \
1255 do { \
1256 data[i++] = sc->debug.stats.rxstats.elem; \
1257 } while (0)
1258
1259void ath9k_get_et_stats(struct ieee80211_hw *hw,
1260 struct ieee80211_vif *vif,
1261 struct ethtool_stats *stats, u64 *data)
1262{
1263 struct ath_softc *sc = hw->priv;
1264 int i = 0;
1265
1266 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1267 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1268 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1269 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1270 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1271 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1272 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1273 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1274 AWDATA_RX(rx_pkts_all);
1275 AWDATA_RX(rx_bytes_all);
1276
1277 AWDATA(tx_pkts_all);
1278 AWDATA(tx_bytes_all);
1279 AWDATA(queued);
1280 AWDATA(completed);
1281 AWDATA(xretries);
1282 AWDATA(a_aggr);
1283 AWDATA(a_queued_hw);
1284 AWDATA(a_queued_sw);
1285 AWDATA(a_completed);
1286 AWDATA(a_retries);
1287 AWDATA(a_xretries);
1288 AWDATA(fifo_underrun);
1289 AWDATA(xtxop);
1290 AWDATA(timer_exp);
1291 AWDATA(desc_cfg_err);
1292 AWDATA(data_underrun);
1293 AWDATA(delim_underrun);
1294
18c45b10 1295 AWDATA_RX(crc_err);
c175db87
SM		 1296 AWDATA_RX(decrypt_crc_err);
1297 AWDATA_RX(phy_err);
1298 AWDATA_RX(mic_err);
1299 AWDATA_RX(pre_delim_crc_err);
1300 AWDATA_RX(post_delim_crc_err);
1301 AWDATA_RX(decrypt_busy_err);
1302
1303 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1304 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1305 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1306
1307 WARN_ON(i != ATH9K_SSTATS_LEN);
1308}
1309
af690092
SM		 1310void ath9k_deinit_debug(struct ath_softc *sc)
1311{
f65c0825 1312 ath9k_spectral_deinit_debug(sc);
af690092
SM		 1313}
1314
4d6b228d 1315int ath9k_init_debug(struct ath_hw *ah)
88b126af 1316{
bc974f4a
LR		 1317 struct ath_common *common = ath9k_hw_common(ah);
1318 struct ath_softc *sc = (struct ath_softc *) common->priv;
4d6b228d 1319
eb272441
BG		 1320 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1321 sc->hw->wiphy->debugfsdir);
17d7904d 1322 if (!sc->debug.debugfs_phy)
c8a72c00 1323 return -ENOMEM;
826d2680 1324
a830df07 1325#ifdef CONFIG_ATH_DEBUG
c70cab1a
FF		 1326 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1327 sc, &fops_debug);
a830df07 1328#endif
29942bc1
ZK		 1329
1330 ath9k_dfs_init_debug(sc);
ef6b19e4 1331 ath9k_tx99_init_debug(sc);
f65c0825 1332 ath9k_spectral_init_debug(sc);
29942bc1 1333
c70cab1a
FF		 1334 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1335 &fops_dma);
1336 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1337 &fops_interrupt);
c70cab1a
FF		 1338 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1339 &fops_xmit);
c0b74876
SM		 1340 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1341 &fops_queues);
7702e788 1342 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
bea843c7 1343 &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
7702e788 1344 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
bea843c7 1345 &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
7702e788 1346 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
bea843c7 1347 &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
7702e788 1348 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
bea843c7 1349 &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
c70cab1a
FF		 1350 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1351 &fops_misc);
f8b815dc
SM		 1352 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1353 &fops_reset);
87ea9b0b
OR		 1354
1355 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
e02912cd 1356 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
87ea9b0b 1357
ca6d4a74
FF		 1358 debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1359 &ah->rxchainmask);
1360 debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1361 &ah->txchainmask);
6e4d291e
SM		 1362 debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1363 sc->debug.debugfs_phy, sc, &fops_ani);
74673db9
FF		 1364 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1365 &sc->sc_ah->config.enable_paprd);
c70cab1a
FF		 1366 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1367 sc, &fops_regidx);
1368 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1369 sc, &fops_regval);
1370 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1371 sc->debug.debugfs_phy,
1372 &ah->config.cwm_ignore_extcca);
1373 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1374 &fops_regdump);
d069a46b
RM		 1375 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1376 &fops_dump_nfcal);
f2c3c952 1377
29bf801e 1378 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
f2c3c952
OR		 1379 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
1380
691680b8
FF		 1381 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1382 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
691680b8
FF		 1383 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1384 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
4eba10cc
SM		 1385 debugfs_create_file("antenna_diversity", S_IRUSR,
1386 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
4df50ca8 1387#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
36e8825e
SM		 1388 debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1389 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
4df50ca8
RM		 1390 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1391 &fops_btcoex);
1392#endif
89f927af 1393
7a90744c
LB		 1394#ifdef CONFIG_ATH9K_DYNACK
1395 debugfs_create_file("ack_to", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1396 sc, &fops_ackto);
1397#endif
1398
826d2680 1399 return 0;
88b126af 1400}
Linux 6.x block layer and io_uring tree(s)