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ath9k: Fix invalid noisefloor reading due to channel update
[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>
52103115
GJ		 19#include <asm/unaligned.h>
20
394cf0a1 21#include "ath9k.h"
88b126af 22
475a6e4d
LR		 23#define REG_WRITE_D(_ah, _reg, _val) \
24 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
25#define REG_READ_D(_ah, _reg) \
26 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
27
2a163c6d
S		 28static int ath9k_debugfs_open(struct inode *inode, struct file *file)
29{
30 file->private_data = inode->i_private;
31 return 0;
32}
33
582d0064
VT		 34static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
35 size_t count, loff_t *ppos)
36{
37 u8 *buf = file->private_data;
38 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
39}
40
41static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
42{
43 vfree(file->private_data);
44 return 0;
45}
46
a830df07
FF		 47#ifdef CONFIG_ATH_DEBUG
48
2493928e
JH		 49static ssize_t read_file_debug(struct file *file, char __user *user_buf,
50 size_t count, loff_t *ppos)
51{
52 struct ath_softc *sc = file->private_data;
c46917bb 53 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
2493928e 54 char buf[32];
581f725c
VT		 55 unsigned int len;
56
2b87f3aa 57 len = sprintf(buf, "0x%08x\n", common->debug_mask);
2493928e
JH		 58 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
59}
60
61static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
62 size_t count, loff_t *ppos)
63{
64 struct ath_softc *sc = file->private_data;
c46917bb 65 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
2493928e
JH		 66 unsigned long mask;
67 char buf[32];
581f725c
VT		 68 ssize_t len;
69
70 len = min(count, sizeof(buf) - 1);
71 if (copy_from_user(buf, user_buf, len))
04236066 72 return -EFAULT;
581f725c
VT		 73
74 buf[len] = '\0';
75 if (strict_strtoul(buf, 0, &mask))
76 return -EINVAL;
77
c46917bb 78 common->debug_mask = mask;
2493928e
JH		 79 return count;
80}
81
82static const struct file_operations fops_debug = {
83 .read = read_file_debug,
84 .write = write_file_debug,
85 .open = ath9k_debugfs_open,
6038f373
AB		 86 .owner = THIS_MODULE,
87 .llseek = default_llseek,
2493928e
JH		 88};
89
a830df07
FF		 90#endif
91
991a0987
PR		 92#define DMA_BUF_LEN 1024
93
15340694
FF		 94static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
95 size_t count, loff_t *ppos)
96{
97 struct ath_softc *sc = file->private_data;
98 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
99 char buf[32];
100 unsigned int len;
101
2b87f3aa 102 len = sprintf(buf, "0x%08x\n", common->tx_chainmask);
15340694
FF		 103 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
104}
105
106static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
107 size_t count, loff_t *ppos)
108{
109 struct ath_softc *sc = file->private_data;
110 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
111 unsigned long mask;
112 char buf[32];
113 ssize_t len;
114
115 len = min(count, sizeof(buf) - 1);
116 if (copy_from_user(buf, user_buf, len))
04236066 117 return -EFAULT;
15340694
FF		 118
119 buf[len] = '\0';
120 if (strict_strtoul(buf, 0, &mask))
121 return -EINVAL;
122
123 common->tx_chainmask = mask;
124 sc->sc_ah->caps.tx_chainmask = mask;
125 return count;
126}
127
128static const struct file_operations fops_tx_chainmask = {
129 .read = read_file_tx_chainmask,
130 .write = write_file_tx_chainmask,
131 .open = ath9k_debugfs_open,
6038f373
AB		 132 .owner = THIS_MODULE,
133 .llseek = default_llseek,
15340694
FF		 134};
135
136
137static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
138 size_t count, loff_t *ppos)
139{
140 struct ath_softc *sc = file->private_data;
141 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
142 char buf[32];
143 unsigned int len;
144
2b87f3aa 145 len = sprintf(buf, "0x%08x\n", common->rx_chainmask);
15340694
FF		 146 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
147}
148
149static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
150 size_t count, loff_t *ppos)
151{
152 struct ath_softc *sc = file->private_data;
153 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
154 unsigned long mask;
155 char buf[32];
156 ssize_t len;
157
158 len = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, len))
04236066 160 return -EFAULT;
15340694
FF		 161
162 buf[len] = '\0';
163 if (strict_strtoul(buf, 0, &mask))
164 return -EINVAL;
165
166 common->rx_chainmask = mask;
167 sc->sc_ah->caps.rx_chainmask = mask;
168 return count;
169}
170
171static const struct file_operations fops_rx_chainmask = {
172 .read = read_file_rx_chainmask,
173 .write = write_file_rx_chainmask,
174 .open = ath9k_debugfs_open,
6038f373
AB		 175 .owner = THIS_MODULE,
176 .llseek = default_llseek,
15340694
FF		 177};
178
05c0be2f
MSS		 179static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
180 size_t count, loff_t *ppos)
181{
182 struct ath_softc *sc = file->private_data;
183 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
184 char buf[32];
185 unsigned int len;
186
187 len = sprintf(buf, "%d\n", common->disable_ani);
188 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
189}
190
191static ssize_t write_file_disable_ani(struct file *file,
192 const char __user *user_buf,
193 size_t count, loff_t *ppos)
194{
195 struct ath_softc *sc = file->private_data;
196 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
197 unsigned long disable_ani;
198 char buf[32];
199 ssize_t len;
200
201 len = min(count, sizeof(buf) - 1);
202 if (copy_from_user(buf, user_buf, len))
203 return -EFAULT;
204
205 buf[len] = '\0';
206 if (strict_strtoul(buf, 0, &disable_ani))
207 return -EINVAL;
208
209 common->disable_ani = !!disable_ani;
210
211 if (disable_ani) {
212 sc->sc_flags &= ~SC_OP_ANI_RUN;
213 del_timer_sync(&common->ani.timer);
214 } else {
215 sc->sc_flags |= SC_OP_ANI_RUN;
216 ath_start_ani(common);
217 }
218
219 return count;
220}
221
222static const struct file_operations fops_disable_ani = {
223 .read = read_file_disable_ani,
224 .write = write_file_disable_ani,
225 .open = ath9k_debugfs_open,
226 .owner = THIS_MODULE,
227 .llseek = default_llseek,
228};
15340694 229
2a163c6d
S		 230static ssize_t read_file_dma(struct file *file, char __user *user_buf,
231 size_t count, loff_t *ppos)
232{
233 struct ath_softc *sc = file->private_data;
cbe61d8a 234 struct ath_hw *ah = sc->sc_ah;
991a0987
PR		 235 char *buf;
236 int retval;
2a163c6d
S		 237 unsigned int len = 0;
238 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
239 int i, qcuOffset = 0, dcuOffset = 0;
240 u32 *qcuBase = &val[0], *dcuBase = &val[4];
241
991a0987
PR		 242 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
243 if (!buf)
04236066 244 return -ENOMEM;
991a0987 245
7cf4a2e7
S		 246 ath9k_ps_wakeup(sc);
247
475a6e4d 248 REG_WRITE_D(ah, AR_MACMISC,
2a163c6d
S		 249 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
250 (AR_MACMISC_MISC_OBS_BUS_1 <<
251 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
252
991a0987 253 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 254 "Raw DMA Debug values:\n");
255
256 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
257 if (i % 4 == 0)
991a0987 258 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
2a163c6d 259
475a6e4d 260 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
991a0987 261 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
2a163c6d
S		 262 i, val[i]);
263 }
264
991a0987
PR		 265 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
266 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 267 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
268
269 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
270 if (i == 8) {
271 qcuOffset = 0;
272 qcuBase++;
273 }
274
275 if (i == 6) {
276 dcuOffset = 0;
277 dcuBase++;
278 }
279
991a0987 280 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 281 "%2d %2x %1x %2x %2x\n",
282 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
283 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
284 val[2] & (0x7 << (i * 3)) >> (i * 3),
285 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
286 }
287
991a0987 288 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
2a163c6d 289
991a0987 290 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 291 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
292 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
991a0987 293 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 294 "qcu_complete state: %2x dcu_complete state: %2x\n",
295 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
991a0987 296 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 297 "dcu_arb state: %2x dcu_fp state: %2x\n",
298 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
991a0987 299 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 300 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
301 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
991a0987 302 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 303 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
304 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
991a0987 305 len += snprintf(buf + len, DMA_BUF_LEN - len,
2a163c6d
S		 306 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
307 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
308
60ece404 309 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
475a6e4d 310 REG_READ_D(ah, AR_OBS_BUS_1));
991a0987 311 len += snprintf(buf + len, DMA_BUF_LEN - len,
60ece404 312 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
2a163c6d 313
7cf4a2e7
S		 314 ath9k_ps_restore(sc);
315
2b87f3aa
DC		 316 if (len > DMA_BUF_LEN)
317 len = DMA_BUF_LEN;
318
991a0987
PR		 319 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
320 kfree(buf);
321 return retval;
2a163c6d
S		 322}
323
324static const struct file_operations fops_dma = {
325 .read = read_file_dma,
326 .open = ath9k_debugfs_open,
6038f373
AB		 327 .owner = THIS_MODULE,
328 .llseek = default_llseek,
2a163c6d
S		 329};
330
817e11de
S		 331
332void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
333{
334 if (status)
17d7904d 335 sc->debug.stats.istats.total++;
a9616f41
LR		 336 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
337 if (status & ATH9K_INT_RXLP)
338 sc->debug.stats.istats.rxlp++;
339 if (status & ATH9K_INT_RXHP)
340 sc->debug.stats.istats.rxhp++;
08578b8f
LR		 341 if (status & ATH9K_INT_BB_WATCHDOG)
342 sc->debug.stats.istats.bb_watchdog++;
a9616f41
LR		 343 } else {
344 if (status & ATH9K_INT_RX)
345 sc->debug.stats.istats.rxok++;
346 }
817e11de 347 if (status & ATH9K_INT_RXEOL)
17d7904d 348 sc->debug.stats.istats.rxeol++;
817e11de 349 if (status & ATH9K_INT_RXORN)
17d7904d 350 sc->debug.stats.istats.rxorn++;
817e11de 351 if (status & ATH9K_INT_TX)
17d7904d 352 sc->debug.stats.istats.txok++;
817e11de 353 if (status & ATH9K_INT_TXURN)
17d7904d 354 sc->debug.stats.istats.txurn++;
817e11de 355 if (status & ATH9K_INT_MIB)
17d7904d 356 sc->debug.stats.istats.mib++;
817e11de 357 if (status & ATH9K_INT_RXPHY)
17d7904d 358 sc->debug.stats.istats.rxphyerr++;
817e11de 359 if (status & ATH9K_INT_RXKCM)
17d7904d 360 sc->debug.stats.istats.rx_keycache_miss++;
817e11de 361 if (status & ATH9K_INT_SWBA)
17d7904d 362 sc->debug.stats.istats.swba++;
817e11de 363 if (status & ATH9K_INT_BMISS)
17d7904d 364 sc->debug.stats.istats.bmiss++;
817e11de 365 if (status & ATH9K_INT_BNR)
17d7904d 366 sc->debug.stats.istats.bnr++;
817e11de 367 if (status & ATH9K_INT_CST)
17d7904d 368 sc->debug.stats.istats.cst++;
817e11de 369 if (status & ATH9K_INT_GTT)
17d7904d 370 sc->debug.stats.istats.gtt++;
817e11de 371 if (status & ATH9K_INT_TIM)
17d7904d 372 sc->debug.stats.istats.tim++;
817e11de 373 if (status & ATH9K_INT_CABEND)
17d7904d 374 sc->debug.stats.istats.cabend++;
817e11de 375 if (status & ATH9K_INT_DTIMSYNC)
17d7904d 376 sc->debug.stats.istats.dtimsync++;
817e11de 377 if (status & ATH9K_INT_DTIM)
17d7904d 378 sc->debug.stats.istats.dtim++;
6dde1aab
MSS		 379 if (status & ATH9K_INT_TSFOOR)
380 sc->debug.stats.istats.tsfoor++;
817e11de
S		 381}
382
383static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
384 size_t count, loff_t *ppos)
385{
386 struct ath_softc *sc = file->private_data;
387 char buf[512];
388 unsigned int len = 0;
389
a9616f41
LR		 390 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
391 len += snprintf(buf + len, sizeof(buf) - len,
392 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
393 len += snprintf(buf + len, sizeof(buf) - len,
394 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
08578b8f
LR		 395 len += snprintf(buf + len, sizeof(buf) - len,
396 "%8s: %10u\n", "WATCHDOG",
397 sc->debug.stats.istats.bb_watchdog);
a9616f41
LR		 398 } else {
399 len += snprintf(buf + len, sizeof(buf) - len,
400 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
401 }
817e11de 402 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 403 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
817e11de 404 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 405 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
817e11de 406 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 407 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
817e11de 408 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 409 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
817e11de 410 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 411 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
817e11de 412 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 413 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
817e11de 414 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 415 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
817e11de 416 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 417 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
817e11de 418 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 419 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
817e11de 420 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 421 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
817e11de 422 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 423 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
817e11de 424 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 425 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
817e11de 426 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 427 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
817e11de 428 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 429 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
817e11de 430 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 431 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
817e11de 432 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 433 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
6dde1aab
MSS		 434 len += snprintf(buf + len, sizeof(buf) - len,
435 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
817e11de 436 len += snprintf(buf + len, sizeof(buf) - len,
17d7904d 437 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
817e11de 438
6dde1aab 439
2b87f3aa
DC		 440 if (len > sizeof(buf))
441 len = sizeof(buf);
442
817e11de
S		 443 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
444}
445
446static const struct file_operations fops_interrupt = {
447 .read = read_file_interrupt,
448 .open = ath9k_debugfs_open,
6038f373
AB		 449 .owner = THIS_MODULE,
450 .llseek = default_llseek,
817e11de
S		 451};
452
4e6975f7
BG		 453static const char *channel_type_str(enum nl80211_channel_type t)
454{
455 switch (t) {
456 case NL80211_CHAN_NO_HT:
457 return "no ht";
458 case NL80211_CHAN_HT20:
459 return "ht20";
460 case NL80211_CHAN_HT40MINUS:
461 return "ht40-";
462 case NL80211_CHAN_HT40PLUS:
463 return "ht40+";
464 default:
465 return "???";
466 }
467}
468
39d89cd3
JM		 469static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
470 size_t count, loff_t *ppos)
471{
472 struct ath_softc *sc = file->private_data;
34302397 473 struct ieee80211_channel *chan = sc->hw->conf.channel;
4e6975f7 474 struct ieee80211_conf *conf = &(sc->hw->conf);
39d89cd3
JM		 475 char buf[512];
476 unsigned int len = 0;
39d89cd3 477 u8 addr[ETH_ALEN];
39057512 478 u32 tmp;
39d89cd3
JM		 479
480 len += snprintf(buf + len, sizeof(buf) - len,
4e6975f7 481 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n",
34302397 482 wiphy_name(sc->hw->wiphy),
8e0167a4 483 ieee80211_frequency_to_channel(chan->center_freq),
4e6975f7
BG		 484 chan->center_freq,
485 conf->channel_type,
486 channel_type_str(conf->channel_type));
39d89cd3 487
c6e38c06 488 ath9k_ps_wakeup(sc);
475a6e4d
LR		 489 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
490 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
39d89cd3
JM		 491 len += snprintf(buf + len, sizeof(buf) - len,
492 "addr: %pM\n", addr);
475a6e4d
LR		 493 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
494 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
39d89cd3
JM		 495 len += snprintf(buf + len, sizeof(buf) - len,
496 "addrmask: %pM\n", addr);
39057512 497 tmp = ath9k_hw_getrxfilter(sc->sc_ah);
79d2b157 498 ath9k_ps_restore(sc);
39057512
BG		 499 len += snprintf(buf + len, sizeof(buf) - len,
500 "rfilt: 0x%x", tmp);
501 if (tmp & ATH9K_RX_FILTER_UCAST)
502 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
503 if (tmp & ATH9K_RX_FILTER_MCAST)
504 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
505 if (tmp & ATH9K_RX_FILTER_BCAST)
506 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
507 if (tmp & ATH9K_RX_FILTER_CONTROL)
508 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
509 if (tmp & ATH9K_RX_FILTER_BEACON)
510 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
511 if (tmp & ATH9K_RX_FILTER_PROM)
512 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
513 if (tmp & ATH9K_RX_FILTER_PROBEREQ)
514 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
515 if (tmp & ATH9K_RX_FILTER_PHYERR)
516 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
517 if (tmp & ATH9K_RX_FILTER_MYBEACON)
518 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
519 if (tmp & ATH9K_RX_FILTER_COMP_BAR)
520 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
521 if (tmp & ATH9K_RX_FILTER_PSPOLL)
522 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
523 if (tmp & ATH9K_RX_FILTER_PHYRADAR)
524 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
525 if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
526 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL\n");
527 else
528 len += snprintf(buf + len, sizeof(buf) - len, "\n");
529
2b87f3aa
DC		 530 if (len > sizeof(buf))
531 len = sizeof(buf);
532
39d89cd3
JM		 533 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
534}
535
39d89cd3
JM		 536static const struct file_operations fops_wiphy = {
537 .read = read_file_wiphy,
39d89cd3 538 .open = ath9k_debugfs_open,
6038f373
AB		 539 .owner = THIS_MODULE,
540 .llseek = default_llseek,
39d89cd3
JM		 541};
542
5bec3e5a 543#define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
fec247c0
S		 544#define PR(str, elem) \
545 do { \
546 len += snprintf(buf + len, size - len, \
547 "%s%13u%11u%10u%10u\n", str, \
5bec3e5a
FF		 548 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
549 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
550 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
551 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
7f010c93
BG		 552 if (len >= size) \
553 goto done; \
fec247c0
S		 554} while(0)
555
1f427dd9
BG		 556#define PRX(str, elem) \
557do { \
558 len += snprintf(buf + len, size - len, \
559 "%s%13u%11u%10u%10u\n", str, \
5bec3e5a
FF		 560 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
561 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
562 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
563 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
7f010c93
BG		 564 if (len >= size) \
565 goto done; \
1f427dd9
BG		 566} while(0)
567
2dac4fb9
BG		 568#define PRQLE(str, elem) \
569do { \
570 len += snprintf(buf + len, size - len, \
571 "%s%13i%11i%10i%10i\n", str, \
5bec3e5a
FF		 572 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
573 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
574 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
575 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
7f010c93
BG		 576 if (len >= size) \
577 goto done; \
2dac4fb9
BG		 578} while (0)
579
fec247c0
S		 580static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
581 size_t count, loff_t *ppos)
582{
583 struct ath_softc *sc = file->private_data;
584 char *buf;
7f010c93 585 unsigned int len = 0, size = 8000;
2dac4fb9 586 int i;
fec247c0 587 ssize_t retval = 0;
2dac4fb9 588 char tmp[32];
fec247c0
S		 589
590 buf = kzalloc(size, GFP_KERNEL);
591 if (buf == NULL)
04236066 592 return -ENOMEM;
fec247c0 593
60f2d1d5
BG		 594 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
595 " poll-work-seen: %u\n"
7f010c93
BG		 596 "%30s %10s%10s%10s\n\n",
597 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
60f2d1d5 598 sc->tx_complete_poll_work_seen,
7f010c93 599 "BE", "BK", "VI", "VO");
fec247c0
S		 600
601 PR("MPDUs Queued: ", queued);
602 PR("MPDUs Completed: ", completed);
5a6f78af 603 PR("MPDUs XRetried: ", xretries);
fec247c0 604 PR("Aggregates: ", a_aggr);
bda8adda
BG		 605 PR("AMPDUs Queued HW:", a_queued_hw);
606 PR("AMPDUs Queued SW:", a_queued_sw);
fec247c0
S		 607 PR("AMPDUs Completed:", a_completed);
608 PR("AMPDUs Retried: ", a_retries);
609 PR("AMPDUs XRetried: ", a_xretries);
610 PR("FIFO Underrun: ", fifo_underrun);
611 PR("TXOP Exceeded: ", xtxop);
612 PR("TXTIMER Expiry: ", timer_exp);
613 PR("DESC CFG Error: ", desc_cfg_err);
614 PR("DATA Underrun: ", data_underrun);
615 PR("DELIM Underrun: ", delim_underrun);
99c15bf5
BG		 616 PR("TX-Pkts-All: ", tx_pkts_all);
617 PR("TX-Bytes-All: ", tx_bytes_all);
2dac4fb9
BG		 618 PR("hw-put-tx-buf: ", puttxbuf);
619 PR("hw-tx-start: ", txstart);
620 PR("hw-tx-proc-desc: ", txprocdesc);
7f010c93
BG		 621 len += snprintf(buf + len, size - len,
622 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
db7889cd
BG		 623 sc->tx.txq_map[WME_AC_BE],
624 sc->tx.txq_map[WME_AC_BK],
625 sc->tx.txq_map[WME_AC_VI],
626 sc->tx.txq_map[WME_AC_VO]);
7f010c93
BG		 627 if (len >= size)
628 goto done;
fec247c0 629
1f427dd9
BG		 630 PRX("axq-qnum: ", axq_qnum);
631 PRX("axq-depth: ", axq_depth);
2dac4fb9 632 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
1f427dd9
BG		 633 PRX("axq-stopped ", stopped);
634 PRX("tx-in-progress ", axq_tx_inprogress);
635 PRX("pending-frames ", pending_frames);
2dac4fb9
BG		 636 PRX("txq_headidx: ", txq_headidx);
637 PRX("txq_tailidx: ", txq_headidx);
638
639 PRQLE("axq_q empty: ", axq_q);
640 PRQLE("axq_acq empty: ", axq_acq);
2dac4fb9
BG		 641 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
642 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
643 PRQLE(tmp, txq_fifo[i]);
644 }
7f010c93 645
71e025a5
BG		 646 /* Print out more detailed queue-info */
647 for (i = 0; i <= WME_AC_BK; i++) {
648 struct ath_txq *txq = &(sc->tx.txq[i]);
649 struct ath_atx_ac *ac;
650 struct ath_atx_tid *tid;
651 if (len >= size)
652 goto done;
653 spin_lock_bh(&txq->axq_lock);
654 if (!list_empty(&txq->axq_acq)) {
655 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
656 list);
657 len += snprintf(buf + len, size - len,
658 "txq[%i] first-ac: %p sched: %i\n",
659 i, ac, ac->sched);
660 if (list_empty(&ac->tid_q) || (len >= size))
661 goto done_for;
662 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
663 list);
664 len += snprintf(buf + len, size - len,
665 " first-tid: %p sched: %i paused: %i\n",
666 tid, tid->sched, tid->paused);
667 }
668 done_for:
669 spin_unlock_bh(&txq->axq_lock);
670 }
671
7f010c93
BG		 672done:
673 if (len > size)
674 len = size;
675
676 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
677 kfree(buf);
678
679 return retval;
680}
681
682static ssize_t read_file_stations(struct file *file, char __user *user_buf,
683 size_t count, loff_t *ppos)
684{
685 struct ath_softc *sc = file->private_data;
686 char *buf;
687 unsigned int len = 0, size = 64000;
688 struct ath_node *an = NULL;
689 ssize_t retval = 0;
690 int q;
691
692 buf = kzalloc(size, GFP_KERNEL);
693 if (buf == NULL)
694 return -ENOMEM;
695
696 len += snprintf(buf + len, size - len,
697 "Stations:\n"
698 " tid: addr sched paused buf_q-empty an ac\n"
699 " ac: addr sched tid_q-empty txq\n");
700
701 spin_lock(&sc->nodes_lock);
702 list_for_each_entry(an, &sc->nodes, list) {
703 len += snprintf(buf + len, size - len,
704 "%pM\n", an->sta->addr);
705 if (len >= size)
706 goto done;
707
708 for (q = 0; q < WME_NUM_TID; q++) {
709 struct ath_atx_tid *tid = &(an->tid[q]);
710 len += snprintf(buf + len, size - len,
711 " tid: %p %s %s %i %p %p\n",
712 tid, tid->sched ? "sched" : "idle",
713 tid->paused ? "paused" : "running",
714 list_empty(&tid->buf_q),
715 tid->an, tid->ac);
716 if (len >= size)
717 goto done;
718 }
719
720 for (q = 0; q < WME_NUM_AC; q++) {
721 struct ath_atx_ac *ac = &(an->ac[q]);
722 len += snprintf(buf + len, size - len,
723 " ac: %p %s %i %p\n",
724 ac, ac->sched ? "sched" : "idle",
725 list_empty(&ac->tid_q), ac->txq);
726 if (len >= size)
727 goto done;
728 }
729 }
730
731done:
732 spin_unlock(&sc->nodes_lock);
2b87f3aa
DC		 733 if (len > size)
734 len = size;
735
fec247c0
S		 736 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
737 kfree(buf);
738
739 return retval;
740}
741
55f6d0ff
BG		 742static ssize_t read_file_misc(struct file *file, char __user *user_buf,
743 size_t count, loff_t *ppos)
744{
745 struct ath_softc *sc = file->private_data;
746 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
747 struct ath_hw *ah = sc->sc_ah;
748 struct ieee80211_hw *hw = sc->hw;
749 char *buf;
750 unsigned int len = 0, size = 8000;
751 ssize_t retval = 0;
55f6d0ff
BG		 752 unsigned int reg;
753 struct ath9k_vif_iter_data iter_data;
754
755 ath9k_calculate_iter_data(hw, NULL, &iter_data);
756
757 buf = kzalloc(size, GFP_KERNEL);
758 if (buf == NULL)
759 return -ENOMEM;
760
79d2b157 761 ath9k_ps_wakeup(sc);
55f6d0ff
BG		 762 len += snprintf(buf + len, size - len,
763 "curbssid: %pM\n"
764 "OP-Mode: %s(%i)\n"
765 "Beacon-Timer-Register: 0x%x\n",
766 common->curbssid,
21ec489d
PR		 767 ath_opmode_to_string(sc->sc_ah->opmode),
768 (int)(sc->sc_ah->opmode),
55f6d0ff
BG		 769 REG_READ(ah, AR_BEACON_PERIOD));
770
771 reg = REG_READ(ah, AR_TIMER_MODE);
79d2b157 772 ath9k_ps_restore(sc);
55f6d0ff
BG		 773 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
774 reg);
775 if (reg & AR_TBTT_TIMER_EN)
776 len += snprintf(buf + len, size - len, "TBTT ");
777 if (reg & AR_DBA_TIMER_EN)
778 len += snprintf(buf + len, size - len, "DBA ");
779 if (reg & AR_SWBA_TIMER_EN)
780 len += snprintf(buf + len, size - len, "SWBA ");
781 if (reg & AR_HCF_TIMER_EN)
782 len += snprintf(buf + len, size - len, "HCF ");
783 if (reg & AR_TIM_TIMER_EN)
784 len += snprintf(buf + len, size - len, "TIM ");
785 if (reg & AR_DTIM_TIMER_EN)
786 len += snprintf(buf + len, size - len, "DTIM ");
787 len += snprintf(buf + len, size - len, ")\n");
788
789 reg = sc->sc_ah->imask;
790 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
791 if (reg & ATH9K_INT_SWBA)
792 len += snprintf(buf + len, size - len, "SWBA ");
793 if (reg & ATH9K_INT_BMISS)
794 len += snprintf(buf + len, size - len, "BMISS ");
795 if (reg & ATH9K_INT_CST)
796 len += snprintf(buf + len, size - len, "CST ");
797 if (reg & ATH9K_INT_RX)
798 len += snprintf(buf + len, size - len, "RX ");
799 if (reg & ATH9K_INT_RXHP)
800 len += snprintf(buf + len, size - len, "RXHP ");
801 if (reg & ATH9K_INT_RXLP)
802 len += snprintf(buf + len, size - len, "RXLP ");
803 if (reg & ATH9K_INT_BB_WATCHDOG)
804 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
805 /* there are other IRQs if one wanted to add them. */
806 len += snprintf(buf + len, size - len, ")\n");
807
808 len += snprintf(buf + len, size - len,
809 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
810 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
811 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
812 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
813 sc->nvifs, sc->nbcnvifs);
814
815 len += snprintf(buf + len, size - len,
816 "Calculated-BSSID-Mask: %pM\n",
817 iter_data.mask);
818
819 if (len > size)
820 len = size;
821
822 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
823 kfree(buf);
824
825 return retval;
826}
827
066dae93 828void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
5bec3e5a 829 struct ath_tx_status *ts, struct ath_txq *txq)
fec247c0 830{
5bec3e5a 831 int qnum = txq->axq_qnum;
066dae93
FF		 832
833 TX_STAT_INC(qnum, tx_pkts_all);
834 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
99c15bf5 835
fec247c0
S		 836 if (bf_isampdu(bf)) {
837 if (bf_isxretried(bf))
066dae93 838 TX_STAT_INC(qnum, a_xretries);
fec247c0 839 else
066dae93 840 TX_STAT_INC(qnum, a_completed);
fec247c0 841 } else {
5a6f78af
FF		 842 if (bf_isxretried(bf))
843 TX_STAT_INC(qnum, xretries);
844 else
845 TX_STAT_INC(qnum, completed);
fec247c0
S		 846 }
847
db1a052b 848 if (ts->ts_status & ATH9K_TXERR_FIFO)
066dae93 849 TX_STAT_INC(qnum, fifo_underrun);
db1a052b 850 if (ts->ts_status & ATH9K_TXERR_XTXOP)
066dae93 851 TX_STAT_INC(qnum, xtxop);
db1a052b 852 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
066dae93 853 TX_STAT_INC(qnum, timer_exp);
db1a052b 854 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
066dae93 855 TX_STAT_INC(qnum, desc_cfg_err);
db1a052b 856 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
066dae93 857 TX_STAT_INC(qnum, data_underrun);
db1a052b 858 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
066dae93 859 TX_STAT_INC(qnum, delim_underrun);
fec247c0
S		 860}
861
862static const struct file_operations fops_xmit = {
863 .read = read_file_xmit,
864 .open = ath9k_debugfs_open,
6038f373
AB		 865 .owner = THIS_MODULE,
866 .llseek = default_llseek,
fec247c0 867};
39d89cd3 868
7f010c93
BG		 869static const struct file_operations fops_stations = {
870 .read = read_file_stations,
871 .open = ath9k_debugfs_open,
872 .owner = THIS_MODULE,
873 .llseek = default_llseek,
874};
875
55f6d0ff
BG		 876static const struct file_operations fops_misc = {
877 .read = read_file_misc,
878 .open = ath9k_debugfs_open,
879 .owner = THIS_MODULE,
880 .llseek = default_llseek,
881};
882
1395d3f0
S		 883static ssize_t read_file_recv(struct file *file, char __user *user_buf,
884 size_t count, loff_t *ppos)
885{
886#define PHY_ERR(s, p) \
887 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
888 sc->debug.stats.rxstats.phy_err_stats[p]);
889
890 struct ath_softc *sc = file->private_data;
891 char *buf;
7d755414 892 unsigned int len = 0, size = 1400;
1395d3f0
S		 893 ssize_t retval = 0;
894
895 buf = kzalloc(size, GFP_KERNEL);
896 if (buf == NULL)
04236066 897 return -ENOMEM;
1395d3f0
S		 898
899 len += snprintf(buf + len, size - len,
900 "%18s : %10u\n", "CRC ERR",
901 sc->debug.stats.rxstats.crc_err);
902 len += snprintf(buf + len, size - len,
903 "%18s : %10u\n", "DECRYPT CRC ERR",
904 sc->debug.stats.rxstats.decrypt_crc_err);
905 len += snprintf(buf + len, size - len,
906 "%18s : %10u\n", "PHY ERR",
907 sc->debug.stats.rxstats.phy_err);
908 len += snprintf(buf + len, size - len,
909 "%18s : %10u\n", "MIC ERR",
910 sc->debug.stats.rxstats.mic_err);
911 len += snprintf(buf + len, size - len,
912 "%18s : %10u\n", "PRE-DELIM CRC ERR",
913 sc->debug.stats.rxstats.pre_delim_crc_err);
914 len += snprintf(buf + len, size - len,
915 "%18s : %10u\n", "POST-DELIM CRC ERR",
916 sc->debug.stats.rxstats.post_delim_crc_err);
917 len += snprintf(buf + len, size - len,
918 "%18s : %10u\n", "DECRYPT BUSY ERR",
919 sc->debug.stats.rxstats.decrypt_busy_err);
920
7d755414
SB		 921 len += snprintf(buf + len, size - len,
922 "%18s : %10d\n", "RSSI-CTL0",
923 sc->debug.stats.rxstats.rs_rssi_ctl0);
924
925 len += snprintf(buf + len, size - len,
926 "%18s : %10d\n", "RSSI-CTL1",
927 sc->debug.stats.rxstats.rs_rssi_ctl1);
928
929 len += snprintf(buf + len, size - len,
930 "%18s : %10d\n", "RSSI-CTL2",
931 sc->debug.stats.rxstats.rs_rssi_ctl2);
932
933 len += snprintf(buf + len, size - len,
934 "%18s : %10d\n", "RSSI-EXT0",
935 sc->debug.stats.rxstats.rs_rssi_ext0);
936
937 len += snprintf(buf + len, size - len,
938 "%18s : %10d\n", "RSSI-EXT1",
939 sc->debug.stats.rxstats.rs_rssi_ext1);
940
941 len += snprintf(buf + len, size - len,
942 "%18s : %10d\n", "RSSI-EXT2",
943 sc->debug.stats.rxstats.rs_rssi_ext2);
944
945 len += snprintf(buf + len, size - len,
946 "%18s : %10d\n", "Rx Antenna",
947 sc->debug.stats.rxstats.rs_antenna);
948
1395d3f0
S		 949 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
950 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
951 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
952 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
953 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
954 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
955 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
956 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
957 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
958 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
959 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
960 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
961 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
962 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
963 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
964 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
965 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
966 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
967 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
968 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
969 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
970 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
971 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
972 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
973 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
974 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
975
99c15bf5
BG		 976 len += snprintf(buf + len, size - len,
977 "%18s : %10u\n", "RX-Pkts-All",
978 sc->debug.stats.rxstats.rx_pkts_all);
979 len += snprintf(buf + len, size - len,
980 "%18s : %10u\n", "RX-Bytes-All",
981 sc->debug.stats.rxstats.rx_bytes_all);
982
2b87f3aa
DC		 983 if (len > size)
984 len = size;
985
1395d3f0
S		 986 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
987 kfree(buf);
988
989 return retval;
990
991#undef PHY_ERR
992}
993
8e6f5aa2 994void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1395d3f0
S		 995{
996#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
997#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
998
1395d3f0
S		 999 u32 phyerr;
1000
99c15bf5
BG		 1001 RX_STAT_INC(rx_pkts_all);
1002 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1003
8e6f5aa2 1004 if (rs->rs_status & ATH9K_RXERR_CRC)
1395d3f0 1005 RX_STAT_INC(crc_err);
8e6f5aa2 1006 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1395d3f0 1007 RX_STAT_INC(decrypt_crc_err);
8e6f5aa2 1008 if (rs->rs_status & ATH9K_RXERR_MIC)
1395d3f0 1009 RX_STAT_INC(mic_err);
8e6f5aa2 1010 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1395d3f0 1011 RX_STAT_INC(pre_delim_crc_err);
8e6f5aa2 1012 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1395d3f0 1013 RX_STAT_INC(post_delim_crc_err);
8e6f5aa2 1014 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1395d3f0
S		 1015 RX_STAT_INC(decrypt_busy_err);
1016
8e6f5aa2 1017 if (rs->rs_status & ATH9K_RXERR_PHY) {
1395d3f0 1018 RX_STAT_INC(phy_err);
8e6f5aa2 1019 phyerr = rs->rs_phyerr & 0x24;
1395d3f0
S		 1020 RX_PHY_ERR_INC(phyerr);
1021 }
1022
7d755414
SB		 1023 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1024 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1025 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1026
1027 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1028 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1029 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1030
1031 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1032
1395d3f0
S		 1033#undef RX_STAT_INC
1034#undef RX_PHY_ERR_INC
1035}
1036
1037static const struct file_operations fops_recv = {
1038 .read = read_file_recv,
1039 .open = ath9k_debugfs_open,
6038f373
AB		 1040 .owner = THIS_MODULE,
1041 .llseek = default_llseek,
1395d3f0
S		 1042};
1043
9bff0bc4
FF		 1044static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1045 size_t count, loff_t *ppos)
1046{
1047 struct ath_softc *sc = file->private_data;
1048 char buf[32];
1049 unsigned int len;
1050
2b87f3aa 1051 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
9bff0bc4
FF		 1052 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1053}
1054
1055static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1056 size_t count, loff_t *ppos)
1057{
1058 struct ath_softc *sc = file->private_data;
1059 unsigned long regidx;
1060 char buf[32];
1061 ssize_t len;
1062
1063 len = min(count, sizeof(buf) - 1);
1064 if (copy_from_user(buf, user_buf, len))
04236066 1065 return -EFAULT;
9bff0bc4
FF		 1066
1067 buf[len] = '\0';
1068 if (strict_strtoul(buf, 0, &regidx))
1069 return -EINVAL;
1070
1071 sc->debug.regidx = regidx;
1072 return count;
1073}
1074
1075static const struct file_operations fops_regidx = {
1076 .read = read_file_regidx,
1077 .write = write_file_regidx,
1078 .open = ath9k_debugfs_open,
6038f373
AB		 1079 .owner = THIS_MODULE,
1080 .llseek = default_llseek,
9bff0bc4
FF		 1081};
1082
1083static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1084 size_t count, loff_t *ppos)
1085{
1086 struct ath_softc *sc = file->private_data;
1087 struct ath_hw *ah = sc->sc_ah;
1088 char buf[32];
1089 unsigned int len;
1090 u32 regval;
1091
79d2b157 1092 ath9k_ps_wakeup(sc);
9bff0bc4 1093 regval = REG_READ_D(ah, sc->debug.regidx);
79d2b157 1094 ath9k_ps_restore(sc);
2b87f3aa 1095 len = sprintf(buf, "0x%08x\n", regval);
9bff0bc4
FF		 1096 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1097}
1098
1099static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1100 size_t count, loff_t *ppos)
1101{
1102 struct ath_softc *sc = file->private_data;
1103 struct ath_hw *ah = sc->sc_ah;
1104 unsigned long regval;
1105 char buf[32];
1106 ssize_t len;
1107
1108 len = min(count, sizeof(buf) - 1);
1109 if (copy_from_user(buf, user_buf, len))
04236066 1110 return -EFAULT;
9bff0bc4
FF		 1111
1112 buf[len] = '\0';
1113 if (strict_strtoul(buf, 0, &regval))
1114 return -EINVAL;
1115
79d2b157 1116 ath9k_ps_wakeup(sc);
9bff0bc4 1117 REG_WRITE_D(ah, sc->debug.regidx, regval);
79d2b157 1118 ath9k_ps_restore(sc);
9bff0bc4
FF		 1119 return count;
1120}
1121
1122static const struct file_operations fops_regval = {
1123 .read = read_file_regval,
1124 .write = write_file_regval,
1125 .open = ath9k_debugfs_open,
6038f373
AB		 1126 .owner = THIS_MODULE,
1127 .llseek = default_llseek,
9bff0bc4
FF		 1128};
1129
582d0064
VT		 1130#define REGDUMP_LINE_SIZE 20
1131
1132static int open_file_regdump(struct inode *inode, struct file *file)
1133{
1134 struct ath_softc *sc = inode->i_private;
1135 unsigned int len = 0;
1136 u8 *buf;
1137 int i;
1138 unsigned long num_regs, regdump_len, max_reg_offset;
1139
1140 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1141 num_regs = max_reg_offset / 4 + 1;
1142 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1143 buf = vmalloc(regdump_len);
1144 if (!buf)
1145 return -ENOMEM;
1146
1147 ath9k_ps_wakeup(sc);
1148 for (i = 0; i < num_regs; i++)
1149 len += scnprintf(buf + len, regdump_len - len,
1150 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1151 ath9k_ps_restore(sc);
1152
1153 file->private_data = buf;
1154
1155 return 0;
1156}
1157
1158static const struct file_operations fops_regdump = {
1159 .open = open_file_regdump,
1160 .read = ath9k_debugfs_read_buf,
1161 .release = ath9k_debugfs_release_buf,
1162 .owner = THIS_MODULE,
1163 .llseek = default_llseek,/* read accesses f_pos */
1164};
1165
580f010f
RM		 1166static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1167 size_t count, loff_t *ppos)
1168{
1169 struct ath_softc *sc = file->private_data;
1170 struct ath_hw *ah = sc->sc_ah;
1171 u32 len = 0, size = 1500;
1172 ssize_t retval = 0;
1173 char *buf;
1174
1175 buf = kzalloc(size, GFP_KERNEL);
1176 if (!buf)
1177 return -ENOMEM;
1178
1179 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1180
1181 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1182 kfree(buf);
1183
1184 return retval;
1185}
1186
1187static const struct file_operations fops_base_eeprom = {
1188 .read = read_file_base_eeprom,
1189 .open = ath9k_debugfs_open,
1190 .owner = THIS_MODULE,
1191 .llseek = default_llseek,
1192};
1193
3f4c4bdd
RM		 1194static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1195 size_t count, loff_t *ppos)
1196{
1197 struct ath_softc *sc = file->private_data;
1198 struct ath_hw *ah = sc->sc_ah;
1199 u32 len = 0, size = 6000;
1200 char *buf;
1201 size_t retval;
1202
1203 buf = kzalloc(size, GFP_KERNEL);
1204 if (buf == NULL)
1205 return -ENOMEM;
1206
1207 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1208
1209 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1210 kfree(buf);
1211
1212 return retval;
1213}
1214
1215static const struct file_operations fops_modal_eeprom = {
1216 .read = read_file_modal_eeprom,
1217 .open = ath9k_debugfs_open,
1218 .owner = THIS_MODULE,
1219 .llseek = default_llseek,
1220};
1221
4d6b228d 1222int ath9k_init_debug(struct ath_hw *ah)
88b126af 1223{
bc974f4a
LR		 1224 struct ath_common *common = ath9k_hw_common(ah);
1225 struct ath_softc *sc = (struct ath_softc *) common->priv;
4d6b228d 1226
eb272441
BG		 1227 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1228 sc->hw->wiphy->debugfsdir);
17d7904d 1229 if (!sc->debug.debugfs_phy)
c8a72c00 1230 return -ENOMEM;
826d2680 1231
a830df07 1232#ifdef CONFIG_ATH_DEBUG
c70cab1a
FF		 1233 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1234 sc, &fops_debug);
a830df07 1235#endif
c70cab1a
FF		 1236 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1237 &fops_dma);
1238 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1239 &fops_interrupt);
1240 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1241 sc, &fops_wiphy);
1242 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1243 &fops_xmit);
1244 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1245 &fops_stations);
1246 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1247 &fops_misc);
1248 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1249 &fops_recv);
1250 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1251 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1252 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1253 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
05c0be2f
MSS		 1254 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1255 sc->debug.debugfs_phy, sc, &fops_disable_ani);
c70cab1a
FF		 1256 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1257 sc, &fops_regidx);
1258 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1259 sc, &fops_regval);
1260 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1261 sc->debug.debugfs_phy,
1262 &ah->config.cwm_ignore_extcca);
1263 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1264 &fops_regdump);
580f010f
RM		 1265 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1266 &fops_base_eeprom);
3f4c4bdd
RM		 1267 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1268 &fops_modal_eeprom);
582d0064 1269
691680b8
FF		 1270 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1271 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1272
1273 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1274 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1275
9bff0bc4 1276 sc->debug.regidx = 0;
826d2680 1277 return 0;
88b126af 1278}
Linux 6.x block layer and io_uring tree(s)