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fix a kmap leak in virtio_console
[linux/fpc-iii.git] / drivers / net / wireless / ath / ath9k / debug.c
blobab7264c1d8f73904ac9005fc19ec6d6aa3e30b30
1 /*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/slab.h>
18 #include <linux/vmalloc.h>
19 #include <linux/export.h>
20 #include <asm/unaligned.h>
21
22 #include "ath9k.h"
23
24 #define REG_WRITE_D(_ah, _reg, _val) \
25 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
26 #define REG_READ_D(_ah, _reg) \
27 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
28
29 void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
30 {
31 if (sync_cause)
32 sc->debug.stats.istats.sync_cause_all++;
33 if (sync_cause & AR_INTR_SYNC_RTC_IRQ)
34 sc->debug.stats.istats.sync_rtc_irq++;
35 if (sync_cause & AR_INTR_SYNC_MAC_IRQ)
36 sc->debug.stats.istats.sync_mac_irq++;
37 if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS)
38 sc->debug.stats.istats.eeprom_illegal_access++;
39 if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT)
40 sc->debug.stats.istats.apb_timeout++;
41 if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT)
42 sc->debug.stats.istats.pci_mode_conflict++;
43 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL)
44 sc->debug.stats.istats.host1_fatal++;
45 if (sync_cause & AR_INTR_SYNC_HOST1_PERR)
46 sc->debug.stats.istats.host1_perr++;
47 if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR)
48 sc->debug.stats.istats.trcv_fifo_perr++;
49 if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP)
50 sc->debug.stats.istats.radm_cpl_ep++;
51 if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT)
52 sc->debug.stats.istats.radm_cpl_dllp_abort++;
53 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT)
54 sc->debug.stats.istats.radm_cpl_tlp_abort++;
55 if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR)
56 sc->debug.stats.istats.radm_cpl_ecrc_err++;
57 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT)
58 sc->debug.stats.istats.radm_cpl_timeout++;
59 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)
60 sc->debug.stats.istats.local_timeout++;
61 if (sync_cause & AR_INTR_SYNC_PM_ACCESS)
62 sc->debug.stats.istats.pm_access++;
63 if (sync_cause & AR_INTR_SYNC_MAC_AWAKE)
64 sc->debug.stats.istats.mac_awake++;
65 if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP)
66 sc->debug.stats.istats.mac_asleep++;
67 if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS)
68 sc->debug.stats.istats.mac_sleep_access++;
69 }
70
71 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
72 size_t count, loff_t *ppos)
73 {
74 u8 *buf = file->private_data;
75 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
76 }
77
78 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
79 {
80 vfree(file->private_data);
81 return 0;
82 }
83
84 #ifdef CONFIG_ATH_DEBUG
85
86 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
87 size_t count, loff_t *ppos)
88 {
89 struct ath_softc *sc = file->private_data;
90 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
91 char buf[32];
92 unsigned int len;
93
94 len = sprintf(buf, "0x%08x\n", common->debug_mask);
95 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
96 }
97
98 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
99 size_t count, loff_t *ppos)
100 {
101 struct ath_softc *sc = file->private_data;
102 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
103 unsigned long mask;
104 char buf[32];
105 ssize_t len;
106
107 len = min(count, sizeof(buf) - 1);
108 if (copy_from_user(buf, user_buf, len))
109 return -EFAULT;
110
111 buf[len] = '\0';
112 if (kstrtoul(buf, 0, &mask))
113 return -EINVAL;
114
115 common->debug_mask = mask;
116 return count;
117 }
118
119 static const struct file_operations fops_debug = {
120 .read = read_file_debug,
121 .write = write_file_debug,
122 .open = simple_open,
123 .owner = THIS_MODULE,
124 .llseek = default_llseek,
125 };
126
127 #endif
128
129 #define DMA_BUF_LEN 1024
130
131
132 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
133 size_t count, loff_t *ppos)
134 {
135 struct ath_softc *sc = file->private_data;
136 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
137 struct ath_hw *ah = sc->sc_ah;
138 unsigned int len = 0, size = 1024;
139 ssize_t retval = 0;
140 char *buf;
141
142 buf = kzalloc(size, GFP_KERNEL);
143 if (buf == NULL)
144 return -ENOMEM;
145
146 if (common->disable_ani) {
147 len += scnprintf(buf + len, size - len, "%s: %s\n",
148 "ANI", "DISABLED");
149 goto exit;
150 }
151
152 len += scnprintf(buf + len, size - len, "%15s: %s\n",
153 "ANI", "ENABLED");
154 len += scnprintf(buf + len, size - len, "%15s: %u\n",
155 "ANI RESET", ah->stats.ast_ani_reset);
156 len += scnprintf(buf + len, size - len, "%15s: %u\n",
157 "SPUR UP", ah->stats.ast_ani_spurup);
158 len += scnprintf(buf + len, size - len, "%15s: %u\n",
159 "SPUR DOWN", ah->stats.ast_ani_spurup);
160 len += scnprintf(buf + len, size - len, "%15s: %u\n",
161 "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
162 len += scnprintf(buf + len, size - len, "%15s: %u\n",
163 "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
164 len += scnprintf(buf + len, size - len, "%15s: %u\n",
165 "MRC-CCK ON", ah->stats.ast_ani_ccklow);
166 len += scnprintf(buf + len, size - len, "%15s: %u\n",
167 "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
168 len += scnprintf(buf + len, size - len, "%15s: %u\n",
169 "FIR-STEP UP", ah->stats.ast_ani_stepup);
170 len += scnprintf(buf + len, size - len, "%15s: %u\n",
171 "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
172 len += scnprintf(buf + len, size - len, "%15s: %u\n",
173 "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
174 len += scnprintf(buf + len, size - len, "%15s: %u\n",
175 "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
176 len += scnprintf(buf + len, size - len, "%15s: %u\n",
177 "CCK ERRORS", ah->stats.ast_ani_cckerrs);
178 exit:
179 if (len > size)
180 len = size;
181
182 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
183 kfree(buf);
184
185 return retval;
186 }
187
188 static ssize_t write_file_ani(struct file *file,
189 const char __user *user_buf,
190 size_t count, loff_t *ppos)
191 {
192 struct ath_softc *sc = file->private_data;
193 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
194 unsigned long ani;
195 char buf[32];
196 ssize_t len;
197
198 len = min(count, sizeof(buf) - 1);
199 if (copy_from_user(buf, user_buf, len))
200 return -EFAULT;
201
202 buf[len] = '\0';
203 if (kstrtoul(buf, 0, &ani))
204 return -EINVAL;
205
206 if (ani < 0 || ani > 1)
207 return -EINVAL;
208
209 common->disable_ani = !ani;
210
211 if (common->disable_ani) {
212 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
213 ath_stop_ani(sc);
214 } else {
215 ath_check_ani(sc);
216 }
217
218 return count;
219 }
220
221 static const struct file_operations fops_ani = {
222 .read = read_file_ani,
223 .write = write_file_ani,
224 .open = simple_open,
225 .owner = THIS_MODULE,
226 .llseek = default_llseek,
227 };
228
229 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
230
231 static ssize_t read_file_bt_ant_diversity(struct file *file,
232 char __user *user_buf,
233 size_t count, loff_t *ppos)
234 {
235 struct ath_softc *sc = file->private_data;
236 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
237 char buf[32];
238 unsigned int len;
239
240 len = sprintf(buf, "%d\n", common->bt_ant_diversity);
241 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
242 }
243
244 static ssize_t write_file_bt_ant_diversity(struct file *file,
245 const char __user *user_buf,
246 size_t count, loff_t *ppos)
247 {
248 struct ath_softc *sc = file->private_data;
249 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
250 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
251 unsigned long bt_ant_diversity;
252 char buf[32];
253 ssize_t len;
254
255 len = min(count, sizeof(buf) - 1);
256 if (copy_from_user(buf, user_buf, len))
257 return -EFAULT;
258
259 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
260 goto exit;
261
262 buf[len] = '\0';
263 if (kstrtoul(buf, 0, &bt_ant_diversity))
264 return -EINVAL;
265
266 common->bt_ant_diversity = !!bt_ant_diversity;
267 ath9k_ps_wakeup(sc);
268 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
269 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
270 common->bt_ant_diversity);
271 ath9k_ps_restore(sc);
272 exit:
273 return count;
274 }
275
276 static const struct file_operations fops_bt_ant_diversity = {
277 .read = read_file_bt_ant_diversity,
278 .write = write_file_bt_ant_diversity,
279 .open = simple_open,
280 .owner = THIS_MODULE,
281 .llseek = default_llseek,
282 };
283
284 #endif
285
286 void ath9k_debug_stat_ant(struct ath_softc *sc,
287 struct ath_hw_antcomb_conf *div_ant_conf,
288 int main_rssi_avg, int alt_rssi_avg)
289 {
290 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
291 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
292
293 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
294 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
295
296 as_main->rssi_avg = main_rssi_avg;
297 as_alt->rssi_avg = alt_rssi_avg;
298 }
299
300 static ssize_t read_file_antenna_diversity(struct file *file,
301 char __user *user_buf,
302 size_t count, loff_t *ppos)
303 {
304 struct ath_softc *sc = file->private_data;
305 struct ath_hw *ah = sc->sc_ah;
306 struct ath9k_hw_capabilities *pCap = &ah->caps;
307 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
308 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
309 struct ath_hw_antcomb_conf div_ant_conf;
310 unsigned int len = 0, size = 1024;
311 ssize_t retval = 0;
312 char *buf;
313 char *lna_conf_str[4] = {"LNA1_MINUS_LNA2",
314 "LNA2",
315 "LNA1",
316 "LNA1_PLUS_LNA2"};
317
318 buf = kzalloc(size, GFP_KERNEL);
319 if (buf == NULL)
320 return -ENOMEM;
321
322 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
323 len += scnprintf(buf + len, size - len, "%s\n",
324 "Antenna Diversity Combining is disabled");
325 goto exit;
326 }
327
328 ath9k_ps_wakeup(sc);
329 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
330 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
331 lna_conf_str[div_ant_conf.main_lna_conf]);
332 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",
333 lna_conf_str[div_ant_conf.alt_lna_conf]);
334 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
335 as_main->rssi_avg);
336 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
337 as_alt->rssi_avg);
338 ath9k_ps_restore(sc);
339
340 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
341 len += scnprintf(buf + len, size - len, "-------------------\n");
342
343 len += scnprintf(buf + len, size - len, "%30s%15s\n",
344 "MAIN", "ALT");
345 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
346 "TOTAL COUNT",
347 as_main->recv_cnt,
348 as_alt->recv_cnt);
349 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
350 "LNA1",
351 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
352 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
353 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
354 "LNA2",
355 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
356 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
357 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
358 "LNA1 + LNA2",
359 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
360 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
361 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
362 "LNA1 - LNA2",
363 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
364 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
365
366 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
367 len += scnprintf(buf + len, size - len, "--------------------\n");
368
369 len += scnprintf(buf + len, size - len, "%30s%15s\n",
370 "MAIN", "ALT");
371 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
372 "LNA1",
373 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
374 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
375 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
376 "LNA2",
377 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
378 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
379 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
380 "LNA1 + LNA2",
381 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
382 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
383 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
384 "LNA1 - LNA2",
385 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
386 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
387
388 exit:
389 if (len > size)
390 len = size;
391
392 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
393 kfree(buf);
394
395 return retval;
396 }
397
398 static const struct file_operations fops_antenna_diversity = {
399 .read = read_file_antenna_diversity,
400 .open = simple_open,
401 .owner = THIS_MODULE,
402 .llseek = default_llseek,
403 };
404
405 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
406 size_t count, loff_t *ppos)
407 {
408 struct ath_softc *sc = file->private_data;
409 struct ath_hw *ah = sc->sc_ah;
410 char *buf;
411 int retval;
412 unsigned int len = 0;
413 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
414 int i, qcuOffset = 0, dcuOffset = 0;
415 u32 *qcuBase = &val[0], *dcuBase = &val[4];
416
417 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
418 if (!buf)
419 return -ENOMEM;
420
421 ath9k_ps_wakeup(sc);
422
423 REG_WRITE_D(ah, AR_MACMISC,
424 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
425 (AR_MACMISC_MISC_OBS_BUS_1 <<
426 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
427
428 len += scnprintf(buf + len, DMA_BUF_LEN - len,
429 "Raw DMA Debug values:\n");
430
431 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
432 if (i % 4 == 0)
433 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
434
435 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
436 len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
437 i, val[i]);
438 }
439
440 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
441 len += scnprintf(buf + len, DMA_BUF_LEN - len,
442 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
443
444 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
445 if (i == 8) {
446 qcuOffset = 0;
447 qcuBase++;
448 }
449
450 if (i == 6) {
451 dcuOffset = 0;
452 dcuBase++;
453 }
454
455 len += scnprintf(buf + len, DMA_BUF_LEN - len,
456 "%2d %2x %1x %2x %2x\n",
457 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
458 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
459 val[2] & (0x7 << (i * 3)) >> (i * 3),
460 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
461 }
462
463 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
464
465 len += scnprintf(buf + len, DMA_BUF_LEN - len,
466 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
467 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
468 len += scnprintf(buf + len, DMA_BUF_LEN - len,
469 "qcu_complete state: %2x dcu_complete state: %2x\n",
470 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
471 len += scnprintf(buf + len, DMA_BUF_LEN - len,
472 "dcu_arb state: %2x dcu_fp state: %2x\n",
473 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
474 len += scnprintf(buf + len, DMA_BUF_LEN - len,
475 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
476 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
477 len += scnprintf(buf + len, DMA_BUF_LEN - len,
478 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
479 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
480 len += scnprintf(buf + len, DMA_BUF_LEN - len,
481 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
482 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
483
484 len += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
485 REG_READ_D(ah, AR_OBS_BUS_1));
486 len += scnprintf(buf + len, DMA_BUF_LEN - len,
487 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
488
489 ath9k_ps_restore(sc);
490
491 if (len > DMA_BUF_LEN)
492 len = DMA_BUF_LEN;
493
494 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
495 kfree(buf);
496 return retval;
497 }
498
499 static const struct file_operations fops_dma = {
500 .read = read_file_dma,
501 .open = simple_open,
502 .owner = THIS_MODULE,
503 .llseek = default_llseek,
504 };
505
506
507 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
508 {
509 if (status)
510 sc->debug.stats.istats.total++;
511 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
512 if (status & ATH9K_INT_RXLP)
513 sc->debug.stats.istats.rxlp++;
514 if (status & ATH9K_INT_RXHP)
515 sc->debug.stats.istats.rxhp++;
516 if (status & ATH9K_INT_BB_WATCHDOG)
517 sc->debug.stats.istats.bb_watchdog++;
518 } else {
519 if (status & ATH9K_INT_RX)
520 sc->debug.stats.istats.rxok++;
521 }
522 if (status & ATH9K_INT_RXEOL)
523 sc->debug.stats.istats.rxeol++;
524 if (status & ATH9K_INT_RXORN)
525 sc->debug.stats.istats.rxorn++;
526 if (status & ATH9K_INT_TX)
527 sc->debug.stats.istats.txok++;
528 if (status & ATH9K_INT_TXURN)
529 sc->debug.stats.istats.txurn++;
530 if (status & ATH9K_INT_RXPHY)
531 sc->debug.stats.istats.rxphyerr++;
532 if (status & ATH9K_INT_RXKCM)
533 sc->debug.stats.istats.rx_keycache_miss++;
534 if (status & ATH9K_INT_SWBA)
535 sc->debug.stats.istats.swba++;
536 if (status & ATH9K_INT_BMISS)
537 sc->debug.stats.istats.bmiss++;
538 if (status & ATH9K_INT_BNR)
539 sc->debug.stats.istats.bnr++;
540 if (status & ATH9K_INT_CST)
541 sc->debug.stats.istats.cst++;
542 if (status & ATH9K_INT_GTT)
543 sc->debug.stats.istats.gtt++;
544 if (status & ATH9K_INT_TIM)
545 sc->debug.stats.istats.tim++;
546 if (status & ATH9K_INT_CABEND)
547 sc->debug.stats.istats.cabend++;
548 if (status & ATH9K_INT_DTIMSYNC)
549 sc->debug.stats.istats.dtimsync++;
550 if (status & ATH9K_INT_DTIM)
551 sc->debug.stats.istats.dtim++;
552 if (status & ATH9K_INT_TSFOOR)
553 sc->debug.stats.istats.tsfoor++;
554 if (status & ATH9K_INT_MCI)
555 sc->debug.stats.istats.mci++;
556 if (status & ATH9K_INT_GENTIMER)
557 sc->debug.stats.istats.gen_timer++;
558 }
559
560 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
561 size_t count, loff_t *ppos)
562 {
563 struct ath_softc *sc = file->private_data;
564 unsigned int len = 0;
565 int rv;
566 int mxlen = 4000;
567 char *buf = kmalloc(mxlen, GFP_KERNEL);
568 if (!buf)
569 return -ENOMEM;
570
571 #define PR_IS(a, s) \
572 do { \
573 len += scnprintf(buf + len, mxlen - len, \
574 "%21s: %10u\n", a, \
575 sc->debug.stats.istats.s); \
576 } while (0)
577
578 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
579 PR_IS("RXLP", rxlp);
580 PR_IS("RXHP", rxhp);
581 PR_IS("WATHDOG", bb_watchdog);
582 } else {
583 PR_IS("RX", rxok);
584 }
585 PR_IS("RXEOL", rxeol);
586 PR_IS("RXORN", rxorn);
587 PR_IS("TX", txok);
588 PR_IS("TXURN", txurn);
589 PR_IS("MIB", mib);
590 PR_IS("RXPHY", rxphyerr);
591 PR_IS("RXKCM", rx_keycache_miss);
592 PR_IS("SWBA", swba);
593 PR_IS("BMISS", bmiss);
594 PR_IS("BNR", bnr);
595 PR_IS("CST", cst);
596 PR_IS("GTT", gtt);
597 PR_IS("TIM", tim);
598 PR_IS("CABEND", cabend);
599 PR_IS("DTIMSYNC", dtimsync);
600 PR_IS("DTIM", dtim);
601 PR_IS("TSFOOR", tsfoor);
602 PR_IS("MCI", mci);
603 PR_IS("GENTIMER", gen_timer);
604 PR_IS("TOTAL", total);
605
606 len += scnprintf(buf + len, mxlen - len,
607 "SYNC_CAUSE stats:\n");
608
609 PR_IS("Sync-All", sync_cause_all);
610 PR_IS("RTC-IRQ", sync_rtc_irq);
611 PR_IS("MAC-IRQ", sync_mac_irq);
612 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
613 PR_IS("APB-Timeout", apb_timeout);
614 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
615 PR_IS("HOST1-Fatal", host1_fatal);
616 PR_IS("HOST1-Perr", host1_perr);
617 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
618 PR_IS("RADM-CPL-EP", radm_cpl_ep);
619 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
620 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
621 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
622 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
623 PR_IS("Local-Bus-Timeout", local_timeout);
624 PR_IS("PM-Access", pm_access);
625 PR_IS("MAC-Awake", mac_awake);
626 PR_IS("MAC-Asleep", mac_asleep);
627 PR_IS("MAC-Sleep-Access", mac_sleep_access);
628
629 if (len > mxlen)
630 len = mxlen;
631
632 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
633 kfree(buf);
634 return rv;
635 }
636
637 static const struct file_operations fops_interrupt = {
638 .read = read_file_interrupt,
639 .open = simple_open,
640 .owner = THIS_MODULE,
641 .llseek = default_llseek,
642 };
643
644 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
645 size_t count, loff_t *ppos)
646 {
647 struct ath_softc *sc = file->private_data;
648 char *buf;
649 unsigned int len = 0, size = 2048;
650 ssize_t retval = 0;
651
652 buf = kzalloc(size, GFP_KERNEL);
653 if (buf == NULL)
654 return -ENOMEM;
655
656 len += sprintf(buf, "%30s %10s%10s%10s\n\n",
657 "BE", "BK", "VI", "VO");
658
659 PR("MPDUs Queued: ", queued);
660 PR("MPDUs Completed: ", completed);
661 PR("MPDUs XRetried: ", xretries);
662 PR("Aggregates: ", a_aggr);
663 PR("AMPDUs Queued HW:", a_queued_hw);
664 PR("AMPDUs Queued SW:", a_queued_sw);
665 PR("AMPDUs Completed:", a_completed);
666 PR("AMPDUs Retried: ", a_retries);
667 PR("AMPDUs XRetried: ", a_xretries);
668 PR("TXERR Filtered: ", txerr_filtered);
669 PR("FIFO Underrun: ", fifo_underrun);
670 PR("TXOP Exceeded: ", xtxop);
671 PR("TXTIMER Expiry: ", timer_exp);
672 PR("DESC CFG Error: ", desc_cfg_err);
673 PR("DATA Underrun: ", data_underrun);
674 PR("DELIM Underrun: ", delim_underrun);
675 PR("TX-Pkts-All: ", tx_pkts_all);
676 PR("TX-Bytes-All: ", tx_bytes_all);
677 PR("HW-put-tx-buf: ", puttxbuf);
678 PR("HW-tx-start: ", txstart);
679 PR("HW-tx-proc-desc: ", txprocdesc);
680 PR("TX-Failed: ", txfailed);
681
682 if (len > size)
683 len = size;
684
685 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
686 kfree(buf);
687
688 return retval;
689 }
690
691 static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
692 char *buf, ssize_t size)
693 {
694 ssize_t len = 0;
695
696 ath_txq_lock(sc, txq);
697
698 len += scnprintf(buf + len, size - len, "%s: %d ",
699 "qnum", txq->axq_qnum);
700 len += scnprintf(buf + len, size - len, "%s: %2d ",
701 "qdepth", txq->axq_depth);
702 len += scnprintf(buf + len, size - len, "%s: %2d ",
703 "ampdu-depth", txq->axq_ampdu_depth);
704 len += scnprintf(buf + len, size - len, "%s: %3d ",
705 "pending", txq->pending_frames);
706 len += scnprintf(buf + len, size - len, "%s: %d\n",
707 "stopped", txq->stopped);
708
709 ath_txq_unlock(sc, txq);
710 return len;
711 }
712
713 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
714 size_t count, loff_t *ppos)
715 {
716 struct ath_softc *sc = file->private_data;
717 struct ath_txq *txq;
718 char *buf;
719 unsigned int len = 0, size = 1024;
720 ssize_t retval = 0;
721 int i;
722 char *qname[4] = {"VO", "VI", "BE", "BK"};
723
724 buf = kzalloc(size, GFP_KERNEL);
725 if (buf == NULL)
726 return -ENOMEM;
727
728 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
729 txq = sc->tx.txq_map[i];
730 len += scnprintf(buf + len, size - len, "(%s): ", qname[i]);
731 len += print_queue(sc, txq, buf + len, size - len);
732 }
733
734 len += scnprintf(buf + len, size - len, "(CAB): ");
735 len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
736
737 if (len > size)
738 len = size;
739
740 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
741 kfree(buf);
742
743 return retval;
744 }
745
746 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
747 size_t count, loff_t *ppos)
748 {
749 struct ath_softc *sc = file->private_data;
750 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
751 struct ieee80211_hw *hw = sc->hw;
752 struct ath9k_vif_iter_data iter_data;
753 char buf[512];
754 unsigned int len = 0;
755 ssize_t retval = 0;
756 unsigned int reg;
757 u32 rxfilter;
758
759 len += scnprintf(buf + len, sizeof(buf) - len,
760 "BSSID: %pM\n", common->curbssid);
761 len += scnprintf(buf + len, sizeof(buf) - len,
762 "BSSID-MASK: %pM\n", common->bssidmask);
763 len += scnprintf(buf + len, sizeof(buf) - len,
764 "OPMODE: %s\n",
765 ath_opmode_to_string(sc->sc_ah->opmode));
766
767 ath9k_ps_wakeup(sc);
768 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
769 ath9k_ps_restore(sc);
770
771 len += scnprintf(buf + len, sizeof(buf) - len,
772 "RXFILTER: 0x%x", rxfilter);
773
774 if (rxfilter & ATH9K_RX_FILTER_UCAST)
775 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
776 if (rxfilter & ATH9K_RX_FILTER_MCAST)
777 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
778 if (rxfilter & ATH9K_RX_FILTER_BCAST)
779 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
780 if (rxfilter & ATH9K_RX_FILTER_CONTROL)
781 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
782 if (rxfilter & ATH9K_RX_FILTER_BEACON)
783 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
784 if (rxfilter & ATH9K_RX_FILTER_PROM)
785 len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
786 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
787 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
788 if (rxfilter & ATH9K_RX_FILTER_PHYERR)
789 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR");
790 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
791 len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON");
792 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
793 len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
794 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
795 len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL");
796 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
797 len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
798 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
799 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
800 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
801 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
802
803 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
804
805 reg = sc->sc_ah->imask;
806
807 len += scnprintf(buf + len, sizeof(buf) - len,
808 "INTERRUPT-MASK: 0x%x", reg);
809
810 if (reg & ATH9K_INT_SWBA)
811 len += scnprintf(buf + len, sizeof(buf) - len, " SWBA");
812 if (reg & ATH9K_INT_BMISS)
813 len += scnprintf(buf + len, sizeof(buf) - len, " BMISS");
814 if (reg & ATH9K_INT_CST)
815 len += scnprintf(buf + len, sizeof(buf) - len, " CST");
816 if (reg & ATH9K_INT_RX)
817 len += scnprintf(buf + len, sizeof(buf) - len, " RX");
818 if (reg & ATH9K_INT_RXHP)
819 len += scnprintf(buf + len, sizeof(buf) - len, " RXHP");
820 if (reg & ATH9K_INT_RXLP)
821 len += scnprintf(buf + len, sizeof(buf) - len, " RXLP");
822 if (reg & ATH9K_INT_BB_WATCHDOG)
823 len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
824
825 len += scnprintf(buf + len, sizeof(buf) - len, "\n");
826
827 ath9k_calculate_iter_data(hw, NULL, &iter_data);
828
829 len += scnprintf(buf + len, sizeof(buf) - len,
830 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
831 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
832 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
833 iter_data.nwds, iter_data.nadhocs,
834 sc->nvifs, sc->nbcnvifs);
835
836 if (len > sizeof(buf))
837 len = sizeof(buf);
838
839 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
840 return retval;
841 }
842
843 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
844 size_t count, loff_t *ppos)
845 {
846 struct ath_softc *sc = file->private_data;
847 char buf[512];
848 unsigned int len = 0;
849
850 len += scnprintf(buf + len, sizeof(buf) - len,
851 "%17s: %2d\n", "Baseband Hang",
852 sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
853 len += scnprintf(buf + len, sizeof(buf) - len,
854 "%17s: %2d\n", "Baseband Watchdog",
855 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
856 len += scnprintf(buf + len, sizeof(buf) - len,
857 "%17s: %2d\n", "Fatal HW Error",
858 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
859 len += scnprintf(buf + len, sizeof(buf) - len,
860 "%17s: %2d\n", "TX HW error",
861 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
862 len += scnprintf(buf + len, sizeof(buf) - len,
863 "%17s: %2d\n", "TX Path Hang",
864 sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
865 len += scnprintf(buf + len, sizeof(buf) - len,
866 "%17s: %2d\n", "PLL RX Hang",
867 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
868 len += scnprintf(buf + len, sizeof(buf) - len,
869 "%17s: %2d\n", "MCI Reset",
870 sc->debug.stats.reset[RESET_TYPE_MCI]);
871
872 if (len > sizeof(buf))
873 len = sizeof(buf);
874
875 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
876 }
877
878 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
879 struct ath_tx_status *ts, struct ath_txq *txq,
880 unsigned int flags)
881 {
882 int qnum = txq->axq_qnum;
883
884 TX_STAT_INC(qnum, tx_pkts_all);
885 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
886
887 if (bf_isampdu(bf)) {
888 if (flags & ATH_TX_ERROR)
889 TX_STAT_INC(qnum, a_xretries);
890 else
891 TX_STAT_INC(qnum, a_completed);
892 } else {
893 if (ts->ts_status & ATH9K_TXERR_XRETRY)
894 TX_STAT_INC(qnum, xretries);
895 else
896 TX_STAT_INC(qnum, completed);
897 }
898
899 if (ts->ts_status & ATH9K_TXERR_FILT)
900 TX_STAT_INC(qnum, txerr_filtered);
901 if (ts->ts_status & ATH9K_TXERR_FIFO)
902 TX_STAT_INC(qnum, fifo_underrun);
903 if (ts->ts_status & ATH9K_TXERR_XTXOP)
904 TX_STAT_INC(qnum, xtxop);
905 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
906 TX_STAT_INC(qnum, timer_exp);
907 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
908 TX_STAT_INC(qnum, desc_cfg_err);
909 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
910 TX_STAT_INC(qnum, data_underrun);
911 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
912 TX_STAT_INC(qnum, delim_underrun);
913 }
914
915 static const struct file_operations fops_xmit = {
916 .read = read_file_xmit,
917 .open = simple_open,
918 .owner = THIS_MODULE,
919 .llseek = default_llseek,
920 };
921
922 static const struct file_operations fops_queues = {
923 .read = read_file_queues,
924 .open = simple_open,
925 .owner = THIS_MODULE,
926 .llseek = default_llseek,
927 };
928
929 static const struct file_operations fops_misc = {
930 .read = read_file_misc,
931 .open = simple_open,
932 .owner = THIS_MODULE,
933 .llseek = default_llseek,
934 };
935
936 static const struct file_operations fops_reset = {
937 .read = read_file_reset,
938 .open = simple_open,
939 .owner = THIS_MODULE,
940 .llseek = default_llseek,
941 };
942
943 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
944 size_t count, loff_t *ppos)
945 {
946 #define RXS_ERR(s, e) \
947 do { \
948 len += scnprintf(buf + len, size - len, \
949 "%18s : %10u\n", s, \
950 sc->debug.stats.rxstats.e);\
951 } while (0)
952
953 struct ath_softc *sc = file->private_data;
954 char *buf;
955 unsigned int len = 0, size = 1600;
956 ssize_t retval = 0;
957
958 buf = kzalloc(size, GFP_KERNEL);
959 if (buf == NULL)
960 return -ENOMEM;
961
962 RXS_ERR("PKTS-ALL", rx_pkts_all);
963 RXS_ERR("BYTES-ALL", rx_bytes_all);
964 RXS_ERR("BEACONS", rx_beacons);
965 RXS_ERR("FRAGS", rx_frags);
966 RXS_ERR("SPECTRAL", rx_spectral);
967
968 RXS_ERR("CRC ERR", crc_err);
969 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
970 RXS_ERR("PHY ERR", phy_err);
971 RXS_ERR("MIC ERR", mic_err);
972 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
973 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
974 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
975 RXS_ERR("LENGTH-ERR", rx_len_err);
976 RXS_ERR("OOM-ERR", rx_oom_err);
977 RXS_ERR("RATE-ERR", rx_rate_err);
978 RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err);
979
980 if (len > size)
981 len = size;
982
983 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
984 kfree(buf);
985
986 return retval;
987
988 #undef RXS_ERR
989 }
990
991 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
992 {
993 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
994
995 RX_STAT_INC(rx_pkts_all);
996 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
997
998 if (rs->rs_status & ATH9K_RXERR_CRC)
999 RX_STAT_INC(crc_err);
1000 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1001 RX_STAT_INC(decrypt_crc_err);
1002 if (rs->rs_status & ATH9K_RXERR_MIC)
1003 RX_STAT_INC(mic_err);
1004 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1005 RX_STAT_INC(pre_delim_crc_err);
1006 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1007 RX_STAT_INC(post_delim_crc_err);
1008 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1009 RX_STAT_INC(decrypt_busy_err);
1010
1011 if (rs->rs_status & ATH9K_RXERR_PHY) {
1012 RX_STAT_INC(phy_err);
1013 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
1014 RX_PHY_ERR_INC(rs->rs_phyerr);
1015 }
1016
1017 #undef RX_PHY_ERR_INC
1018 }
1019
1020 static const struct file_operations fops_recv = {
1021 .read = read_file_recv,
1022 .open = simple_open,
1023 .owner = THIS_MODULE,
1024 .llseek = default_llseek,
1025 };
1026
1027 static ssize_t read_file_phy_err(struct file *file, char __user *user_buf,
1028 size_t count, loff_t *ppos)
1029 {
1030 #define PHY_ERR(s, p) \
1031 len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
1032 sc->debug.stats.rxstats.phy_err_stats[p]);
1033
1034 struct ath_softc *sc = file->private_data;
1035 char *buf;
1036 unsigned int len = 0, size = 1600;
1037 ssize_t retval = 0;
1038
1039 buf = kzalloc(size, GFP_KERNEL);
1040 if (buf == NULL)
1041 return -ENOMEM;
1042
1043 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
1044 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
1045 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
1046 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
1047 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
1048 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
1049 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
1050 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
1051 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
1052 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
1053 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
1054 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
1055 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
1056 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
1057 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
1058 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
1059 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
1060 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
1061 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
1062 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
1063 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
1064 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1065 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
1066 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
1067 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1068 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1069
1070 if (len > size)
1071 len = size;
1072
1073 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1074 kfree(buf);
1075
1076 return retval;
1077
1078 #undef PHY_ERR
1079 }
1080
1081 static const struct file_operations fops_phy_err = {
1082 .read = read_file_phy_err,
1083 .open = simple_open,
1084 .owner = THIS_MODULE,
1085 .llseek = default_llseek,
1086 };
1087
1088 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1089 size_t count, loff_t *ppos)
1090 {
1091 struct ath_softc *sc = file->private_data;
1092 char buf[32];
1093 unsigned int len;
1094
1095 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1096 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1097 }
1098
1099 static ssize_t write_file_regidx(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 unsigned long regidx;
1104 char buf[32];
1105 ssize_t len;
1106
1107 len = min(count, sizeof(buf) - 1);
1108 if (copy_from_user(buf, user_buf, len))
1109 return -EFAULT;
1110
1111 buf[len] = '\0';
1112 if (kstrtoul(buf, 0, &regidx))
1113 return -EINVAL;
1114
1115 sc->debug.regidx = regidx;
1116 return count;
1117 }
1118
1119 static const struct file_operations fops_regidx = {
1120 .read = read_file_regidx,
1121 .write = write_file_regidx,
1122 .open = simple_open,
1123 .owner = THIS_MODULE,
1124 .llseek = default_llseek,
1125 };
1126
1127 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1128 size_t count, loff_t *ppos)
1129 {
1130 struct ath_softc *sc = file->private_data;
1131 struct ath_hw *ah = sc->sc_ah;
1132 char buf[32];
1133 unsigned int len;
1134 u32 regval;
1135
1136 ath9k_ps_wakeup(sc);
1137 regval = REG_READ_D(ah, sc->debug.regidx);
1138 ath9k_ps_restore(sc);
1139 len = sprintf(buf, "0x%08x\n", regval);
1140 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1141 }
1142
1143 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1144 size_t count, loff_t *ppos)
1145 {
1146 struct ath_softc *sc = file->private_data;
1147 struct ath_hw *ah = sc->sc_ah;
1148 unsigned long regval;
1149 char buf[32];
1150 ssize_t len;
1151
1152 len = min(count, sizeof(buf) - 1);
1153 if (copy_from_user(buf, user_buf, len))
1154 return -EFAULT;
1155
1156 buf[len] = '\0';
1157 if (kstrtoul(buf, 0, &regval))
1158 return -EINVAL;
1159
1160 ath9k_ps_wakeup(sc);
1161 REG_WRITE_D(ah, sc->debug.regidx, regval);
1162 ath9k_ps_restore(sc);
1163 return count;
1164 }
1165
1166 static const struct file_operations fops_regval = {
1167 .read = read_file_regval,
1168 .write = write_file_regval,
1169 .open = simple_open,
1170 .owner = THIS_MODULE,
1171 .llseek = default_llseek,
1172 };
1173
1174 #define REGDUMP_LINE_SIZE 20
1175
1176 static int open_file_regdump(struct inode *inode, struct file *file)
1177 {
1178 struct ath_softc *sc = inode->i_private;
1179 unsigned int len = 0;
1180 u8 *buf;
1181 int i;
1182 unsigned long num_regs, regdump_len, max_reg_offset;
1183
1184 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1185 num_regs = max_reg_offset / 4 + 1;
1186 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1187 buf = vmalloc(regdump_len);
1188 if (!buf)
1189 return -ENOMEM;
1190
1191 ath9k_ps_wakeup(sc);
1192 for (i = 0; i < num_regs; i++)
1193 len += scnprintf(buf + len, regdump_len - len,
1194 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1195 ath9k_ps_restore(sc);
1196
1197 file->private_data = buf;
1198
1199 return 0;
1200 }
1201
1202 static const struct file_operations fops_regdump = {
1203 .open = open_file_regdump,
1204 .read = ath9k_debugfs_read_buf,
1205 .release = ath9k_debugfs_release_buf,
1206 .owner = THIS_MODULE,
1207 .llseek = default_llseek,/* read accesses f_pos */
1208 };
1209
1210 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1211 size_t count, loff_t *ppos)
1212 {
1213 struct ath_softc *sc = file->private_data;
1214 struct ath_hw *ah = sc->sc_ah;
1215 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1216 struct ath_common *common = ath9k_hw_common(ah);
1217 struct ieee80211_conf *conf = &common->hw->conf;
1218 u32 len = 0, size = 1500;
1219 u32 i, j;
1220 ssize_t retval = 0;
1221 char *buf;
1222 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1223 u8 nread;
1224
1225 buf = kzalloc(size, GFP_KERNEL);
1226 if (!buf)
1227 return -ENOMEM;
1228
1229 len += scnprintf(buf + len, size - len,
1230 "Channel Noise Floor : %d\n", ah->noise);
1231 len += scnprintf(buf + len, size - len,
1232 "Chain | privNF | # Readings | NF Readings\n");
1233 for (i = 0; i < NUM_NF_READINGS; i++) {
1234 if (!(chainmask & (1 << i)) ||
1235 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1236 continue;
1237
1238 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1239 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1240 i, h[i].privNF, nread);
1241 for (j = 0; j < nread; j++)
1242 len += scnprintf(buf + len, size - len,
1243 " %d", h[i].nfCalBuffer[j]);
1244 len += scnprintf(buf + len, size - len, "\n");
1245 }
1246
1247 if (len > size)
1248 len = size;
1249
1250 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1251 kfree(buf);
1252
1253 return retval;
1254 }
1255
1256 static const struct file_operations fops_dump_nfcal = {
1257 .read = read_file_dump_nfcal,
1258 .open = simple_open,
1259 .owner = THIS_MODULE,
1260 .llseek = default_llseek,
1261 };
1262
1263 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1264 size_t count, loff_t *ppos)
1265 {
1266 struct ath_softc *sc = file->private_data;
1267 struct ath_hw *ah = sc->sc_ah;
1268 u32 len = 0, size = 1500;
1269 ssize_t retval = 0;
1270 char *buf;
1271
1272 buf = kzalloc(size, GFP_KERNEL);
1273 if (!buf)
1274 return -ENOMEM;
1275
1276 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1277
1278 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1279 kfree(buf);
1280
1281 return retval;
1282 }
1283
1284 static const struct file_operations fops_base_eeprom = {
1285 .read = read_file_base_eeprom,
1286 .open = simple_open,
1287 .owner = THIS_MODULE,
1288 .llseek = default_llseek,
1289 };
1290
1291 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1292 size_t count, loff_t *ppos)
1293 {
1294 struct ath_softc *sc = file->private_data;
1295 struct ath_hw *ah = sc->sc_ah;
1296 u32 len = 0, size = 6000;
1297 char *buf;
1298 size_t retval;
1299
1300 buf = kzalloc(size, GFP_KERNEL);
1301 if (buf == NULL)
1302 return -ENOMEM;
1303
1304 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1305
1306 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1307 kfree(buf);
1308
1309 return retval;
1310 }
1311
1312 static const struct file_operations fops_modal_eeprom = {
1313 .read = read_file_modal_eeprom,
1314 .open = simple_open,
1315 .owner = THIS_MODULE,
1316 .llseek = default_llseek,
1317 };
1318
1319 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1320 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1321 size_t count, loff_t *ppos)
1322 {
1323 struct ath_softc *sc = file->private_data;
1324 u32 len = 0, size = 1500;
1325 char *buf;
1326 size_t retval;
1327
1328 buf = kzalloc(size, GFP_KERNEL);
1329 if (buf == NULL)
1330 return -ENOMEM;
1331
1332 if (!sc->sc_ah->common.btcoex_enabled) {
1333 len = scnprintf(buf, size, "%s\n",
1334 "BTCOEX is disabled");
1335 goto exit;
1336 }
1337
1338 len = ath9k_dump_btcoex(sc, buf, size);
1339 exit:
1340 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1341 kfree(buf);
1342
1343 return retval;
1344 }
1345
1346 static const struct file_operations fops_btcoex = {
1347 .read = read_file_btcoex,
1348 .open = simple_open,
1349 .owner = THIS_MODULE,
1350 .llseek = default_llseek,
1351 };
1352 #endif
1353
1354 /* Ethtool support for get-stats */
1355
1356 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1357 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1358 "tx_pkts_nic",
1359 "tx_bytes_nic",
1360 "rx_pkts_nic",
1361 "rx_bytes_nic",
1362 AMKSTR(d_tx_pkts),
1363 AMKSTR(d_tx_bytes),
1364 AMKSTR(d_tx_mpdus_queued),
1365 AMKSTR(d_tx_mpdus_completed),
1366 AMKSTR(d_tx_mpdu_xretries),
1367 AMKSTR(d_tx_aggregates),
1368 AMKSTR(d_tx_ampdus_queued_hw),
1369 AMKSTR(d_tx_ampdus_queued_sw),
1370 AMKSTR(d_tx_ampdus_completed),
1371 AMKSTR(d_tx_ampdu_retries),
1372 AMKSTR(d_tx_ampdu_xretries),
1373 AMKSTR(d_tx_fifo_underrun),
1374 AMKSTR(d_tx_op_exceeded),
1375 AMKSTR(d_tx_timer_expiry),
1376 AMKSTR(d_tx_desc_cfg_err),
1377 AMKSTR(d_tx_data_underrun),
1378 AMKSTR(d_tx_delim_underrun),
1379 "d_rx_crc_err",
1380 "d_rx_decrypt_crc_err",
1381 "d_rx_phy_err",
1382 "d_rx_mic_err",
1383 "d_rx_pre_delim_crc_err",
1384 "d_rx_post_delim_crc_err",
1385 "d_rx_decrypt_busy_err",
1386
1387 "d_rx_phyerr_radar",
1388 "d_rx_phyerr_ofdm_timing",
1389 "d_rx_phyerr_cck_timing",
1390
1391 };
1392 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1393
1394 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1395 struct ieee80211_vif *vif,
1396 u32 sset, u8 *data)
1397 {
1398 if (sset == ETH_SS_STATS)
1399 memcpy(data, *ath9k_gstrings_stats,
1400 sizeof(ath9k_gstrings_stats));
1401 }
1402
1403 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1404 struct ieee80211_vif *vif, int sset)
1405 {
1406 if (sset == ETH_SS_STATS)
1407 return ATH9K_SSTATS_LEN;
1408 return 0;
1409 }
1410
1411 #define AWDATA(elem) \
1412 do { \
1413 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1414 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1415 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1416 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1417 } while (0)
1418
1419 #define AWDATA_RX(elem) \
1420 do { \
1421 data[i++] = sc->debug.stats.rxstats.elem; \
1422 } while (0)
1423
1424 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1425 struct ieee80211_vif *vif,
1426 struct ethtool_stats *stats, u64 *data)
1427 {
1428 struct ath_softc *sc = hw->priv;
1429 int i = 0;
1430
1431 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1432 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1433 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1434 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1435 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1436 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1437 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1438 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1439 AWDATA_RX(rx_pkts_all);
1440 AWDATA_RX(rx_bytes_all);
1441
1442 AWDATA(tx_pkts_all);
1443 AWDATA(tx_bytes_all);
1444 AWDATA(queued);
1445 AWDATA(completed);
1446 AWDATA(xretries);
1447 AWDATA(a_aggr);
1448 AWDATA(a_queued_hw);
1449 AWDATA(a_queued_sw);
1450 AWDATA(a_completed);
1451 AWDATA(a_retries);
1452 AWDATA(a_xretries);
1453 AWDATA(fifo_underrun);
1454 AWDATA(xtxop);
1455 AWDATA(timer_exp);
1456 AWDATA(desc_cfg_err);
1457 AWDATA(data_underrun);
1458 AWDATA(delim_underrun);
1459
1460 AWDATA_RX(crc_err);
1461 AWDATA_RX(decrypt_crc_err);
1462 AWDATA_RX(phy_err);
1463 AWDATA_RX(mic_err);
1464 AWDATA_RX(pre_delim_crc_err);
1465 AWDATA_RX(post_delim_crc_err);
1466 AWDATA_RX(decrypt_busy_err);
1467
1468 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1469 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1470 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1471
1472 WARN_ON(i != ATH9K_SSTATS_LEN);
1473 }
1474
1475 void ath9k_deinit_debug(struct ath_softc *sc)
1476 {
1477 ath9k_spectral_deinit_debug(sc);
1478 }
1479
1480 int ath9k_init_debug(struct ath_hw *ah)
1481 {
1482 struct ath_common *common = ath9k_hw_common(ah);
1483 struct ath_softc *sc = (struct ath_softc *) common->priv;
1484
1485 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1486 sc->hw->wiphy->debugfsdir);
1487 if (!sc->debug.debugfs_phy)
1488 return -ENOMEM;
1489
1490 #ifdef CONFIG_ATH_DEBUG
1491 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1492 sc, &fops_debug);
1493 #endif
1494
1495 ath9k_dfs_init_debug(sc);
1496 ath9k_tx99_init_debug(sc);
1497 ath9k_spectral_init_debug(sc);
1498
1499 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1500 &fops_dma);
1501 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1502 &fops_interrupt);
1503 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1504 &fops_xmit);
1505 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1506 &fops_queues);
1507 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1508 &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1509 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1510 &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1511 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1512 &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1513 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1514 &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1515 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1516 &fops_misc);
1517 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1518 &fops_reset);
1519 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1520 &fops_recv);
1521 debugfs_create_file("phy_err", S_IRUSR, sc->debug.debugfs_phy, sc,
1522 &fops_phy_err);
1523 debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1524 &ah->rxchainmask);
1525 debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1526 &ah->txchainmask);
1527 debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1528 sc->debug.debugfs_phy, sc, &fops_ani);
1529 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1530 &sc->sc_ah->config.enable_paprd);
1531 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1532 sc, &fops_regidx);
1533 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1534 sc, &fops_regval);
1535 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1536 sc->debug.debugfs_phy,
1537 &ah->config.cwm_ignore_extcca);
1538 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1539 &fops_regdump);
1540 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1541 &fops_dump_nfcal);
1542 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1543 &fops_base_eeprom);
1544 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1545 &fops_modal_eeprom);
1546 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1547 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1548 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1549 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1550 debugfs_create_file("antenna_diversity", S_IRUSR,
1551 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1552 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1553 debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1554 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1555 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1556 &fops_btcoex);
1557 #endif
1558
1559 return 0;
1560 }
Linux with added FPC-III support