2 * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
4 * This file is free software: you may copy, redistribute and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation, either version 2 of the License, or (at your
7 * option) any later version.
9 * This file is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 * This file incorporates work covered by the following copyright and
21 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
22 * Copyright (c) 2004-2005 Atheros Communications, Inc.
23 * Copyright (c) 2006 Devicescape Software, Inc.
24 * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
25 * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
27 * All rights reserved.
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
32 * 1. Redistributions of source code must retain the above copyright
33 * notice, this list of conditions and the following disclaimer,
34 * without modification.
35 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
36 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
37 * redistribution must be conditioned upon including a substantially
38 * similar Disclaimer requirement for further binary redistribution.
39 * 3. Neither the names of the above-listed copyright holders nor the names
40 * of any contributors may be used to endorse or promote products derived
41 * from this software without specific prior written permission.
43 * Alternatively, this software may be distributed under the terms of the
44 * GNU General Public License ("GPL") version 2 as published by the Free
45 * Software Foundation.
48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
49 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
50 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
51 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
52 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
53 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
56 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
58 * THE POSSIBILITY OF SUCH DAMAGES.
64 static unsigned int ath5k_debug;
65 module_param_named(debug, ath5k_debug, uint, 0);
68 #ifdef CONFIG_ATH5K_DEBUG
70 #include <linux/seq_file.h>
74 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
76 file->private_data = inode->i_private;
81 /* debugfs: registers */
88 #define REG_STRUCT_INIT(r) { #r, r }
90 /* just a few random registers, might want to add more */
91 static const struct reg regs[] = {
92 REG_STRUCT_INIT(AR5K_CR),
93 REG_STRUCT_INIT(AR5K_RXDP),
94 REG_STRUCT_INIT(AR5K_CFG),
95 REG_STRUCT_INIT(AR5K_IER),
96 REG_STRUCT_INIT(AR5K_BCR),
97 REG_STRUCT_INIT(AR5K_RTSD0),
98 REG_STRUCT_INIT(AR5K_RTSD1),
99 REG_STRUCT_INIT(AR5K_TXCFG),
100 REG_STRUCT_INIT(AR5K_RXCFG),
101 REG_STRUCT_INIT(AR5K_RXJLA),
102 REG_STRUCT_INIT(AR5K_MIBC),
103 REG_STRUCT_INIT(AR5K_TOPS),
104 REG_STRUCT_INIT(AR5K_RXNOFRM),
105 REG_STRUCT_INIT(AR5K_TXNOFRM),
106 REG_STRUCT_INIT(AR5K_RPGTO),
107 REG_STRUCT_INIT(AR5K_RFCNT),
108 REG_STRUCT_INIT(AR5K_MISC),
109 REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
110 REG_STRUCT_INIT(AR5K_ISR),
111 REG_STRUCT_INIT(AR5K_PISR),
112 REG_STRUCT_INIT(AR5K_SISR0),
113 REG_STRUCT_INIT(AR5K_SISR1),
114 REG_STRUCT_INIT(AR5K_SISR2),
115 REG_STRUCT_INIT(AR5K_SISR3),
116 REG_STRUCT_INIT(AR5K_SISR4),
117 REG_STRUCT_INIT(AR5K_IMR),
118 REG_STRUCT_INIT(AR5K_PIMR),
119 REG_STRUCT_INIT(AR5K_SIMR0),
120 REG_STRUCT_INIT(AR5K_SIMR1),
121 REG_STRUCT_INIT(AR5K_SIMR2),
122 REG_STRUCT_INIT(AR5K_SIMR3),
123 REG_STRUCT_INIT(AR5K_SIMR4),
124 REG_STRUCT_INIT(AR5K_DCM_ADDR),
125 REG_STRUCT_INIT(AR5K_DCCFG),
126 REG_STRUCT_INIT(AR5K_CCFG),
127 REG_STRUCT_INIT(AR5K_CPC0),
128 REG_STRUCT_INIT(AR5K_CPC1),
129 REG_STRUCT_INIT(AR5K_CPC2),
130 REG_STRUCT_INIT(AR5K_CPC3),
131 REG_STRUCT_INIT(AR5K_CPCOVF),
132 REG_STRUCT_INIT(AR5K_RESET_CTL),
133 REG_STRUCT_INIT(AR5K_SLEEP_CTL),
134 REG_STRUCT_INIT(AR5K_INTPEND),
135 REG_STRUCT_INIT(AR5K_SFR),
136 REG_STRUCT_INIT(AR5K_PCICFG),
137 REG_STRUCT_INIT(AR5K_GPIOCR),
138 REG_STRUCT_INIT(AR5K_GPIODO),
139 REG_STRUCT_INIT(AR5K_SREV),
142 static void *reg_start(struct seq_file *seq, loff_t *pos)
144 return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
147 static void reg_stop(struct seq_file *seq, void *p)
152 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
155 return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
158 static int reg_show(struct seq_file *seq, void *p)
160 struct ath5k_softc *sc = seq->private;
162 seq_printf(seq, "%-25s0x%08x\n", r->name,
163 ath5k_hw_reg_read(sc->ah, r->addr));
167 static const struct seq_operations register_seq_ops = {
174 static int open_file_registers(struct inode *inode, struct file *file)
178 res = seq_open(file, ®ister_seq_ops);
180 s = file->private_data;
181 s->private = inode->i_private;
186 static const struct file_operations fops_registers = {
187 .open = open_file_registers,
190 .release = seq_release,
191 .owner = THIS_MODULE,
195 /* debugfs: beacons */
197 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
198 size_t count, loff_t *ppos)
200 struct ath5k_softc *sc = file->private_data;
201 struct ath5k_hw *ah = sc->ah;
203 unsigned int len = 0;
207 v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON);
208 len += snprintf(buf + len, sizeof(buf) - len,
209 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
210 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
211 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
213 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
214 "AR5K_LAST_TSTP", ath5k_hw_reg_read(sc->ah, AR5K_LAST_TSTP));
216 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
217 "AR5K_BEACON_CNT", ath5k_hw_reg_read(sc->ah, AR5K_BEACON_CNT));
219 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER0);
220 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
221 "AR5K_TIMER0 (TBTT)", v, v);
223 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER1);
224 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
225 "AR5K_TIMER1 (DMA)", v, v >> 3);
227 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER2);
228 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
229 "AR5K_TIMER2 (SWBA)", v, v >> 3);
231 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER3);
232 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
233 "AR5K_TIMER3 (ATIM)", v, v);
235 tsf = ath5k_hw_get_tsf64(sc->ah);
236 len += snprintf(buf + len, sizeof(buf) - len,
237 "TSF\t\t0x%016llx\tTU: %08x\n",
238 (unsigned long long)tsf, TSF_TO_TU(tsf));
240 if (len > sizeof(buf))
243 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
246 static ssize_t write_file_beacon(struct file *file,
247 const char __user *userbuf,
248 size_t count, loff_t *ppos)
250 struct ath5k_softc *sc = file->private_data;
251 struct ath5k_hw *ah = sc->ah;
254 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
257 if (strncmp(buf, "disable", 7) == 0) {
258 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
259 printk(KERN_INFO "debugfs disable beacons\n");
260 } else if (strncmp(buf, "enable", 6) == 0) {
261 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
262 printk(KERN_INFO "debugfs enable beacons\n");
267 static const struct file_operations fops_beacon = {
268 .read = read_file_beacon,
269 .write = write_file_beacon,
270 .open = ath5k_debugfs_open,
271 .owner = THIS_MODULE,
272 .llseek = default_llseek,
278 static ssize_t write_file_reset(struct file *file,
279 const char __user *userbuf,
280 size_t count, loff_t *ppos)
282 struct ath5k_softc *sc = file->private_data;
283 ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
284 ieee80211_queue_work(sc->hw, &sc->reset_work);
288 static const struct file_operations fops_reset = {
289 .write = write_file_reset,
290 .open = ath5k_debugfs_open,
291 .owner = THIS_MODULE,
292 .llseek = noop_llseek,
296 /* debugfs: debug level */
298 static const struct {
299 enum ath5k_debug_level level;
303 { ATH5K_DEBUG_RESET, "reset", "reset and initialization" },
304 { ATH5K_DEBUG_INTR, "intr", "interrupt handling" },
305 { ATH5K_DEBUG_MODE, "mode", "mode init/setup" },
306 { ATH5K_DEBUG_XMIT, "xmit", "basic xmit operation" },
307 { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" },
308 { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" },
309 { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" },
310 { ATH5K_DEBUG_LED, "led", "LED management" },
311 { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" },
312 { ATH5K_DEBUG_DMA, "dma", "dma start/stop" },
313 { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" },
314 { ATH5K_DEBUG_DESC, "desc", "descriptor chains" },
315 { ATH5K_DEBUG_ANY, "all", "show all debug levels" },
318 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
319 size_t count, loff_t *ppos)
321 struct ath5k_softc *sc = file->private_data;
323 unsigned int len = 0;
326 len += snprintf(buf + len, sizeof(buf) - len,
327 "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level);
329 for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
330 len += snprintf(buf + len, sizeof(buf) - len,
331 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
332 sc->debug.level & dbg_info[i].level ? '+' : ' ',
333 dbg_info[i].level, dbg_info[i].desc);
335 len += snprintf(buf + len, sizeof(buf) - len,
336 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
337 sc->debug.level == dbg_info[i].level ? '+' : ' ',
338 dbg_info[i].level, dbg_info[i].desc);
340 if (len > sizeof(buf))
343 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
346 static ssize_t write_file_debug(struct file *file,
347 const char __user *userbuf,
348 size_t count, loff_t *ppos)
350 struct ath5k_softc *sc = file->private_data;
354 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
357 for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
358 if (strncmp(buf, dbg_info[i].name,
359 strlen(dbg_info[i].name)) == 0) {
360 sc->debug.level ^= dbg_info[i].level; /* toggle bit */
367 static const struct file_operations fops_debug = {
368 .read = read_file_debug,
369 .write = write_file_debug,
370 .open = ath5k_debugfs_open,
371 .owner = THIS_MODULE,
372 .llseek = default_llseek,
376 /* debugfs: antenna */
378 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
379 size_t count, loff_t *ppos)
381 struct ath5k_softc *sc = file->private_data;
383 unsigned int len = 0;
387 len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
388 sc->ah->ah_ant_mode);
389 len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
391 len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
394 len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
395 for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
396 len += snprintf(buf + len, sizeof(buf) - len,
397 "[antenna %d]\t%d\t%d\n",
398 i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]);
400 len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
401 sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]);
403 v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA);
404 len += snprintf(buf + len, sizeof(buf) - len,
405 "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
407 v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1);
408 len += snprintf(buf + len, sizeof(buf) - len,
409 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
410 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
411 len += snprintf(buf + len, sizeof(buf) - len,
412 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
413 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
414 len += snprintf(buf + len, sizeof(buf) - len,
415 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
416 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
417 len += snprintf(buf + len, sizeof(buf) - len,
418 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
419 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
421 v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL);
422 len += snprintf(buf + len, sizeof(buf) - len,
423 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
424 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
426 v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART);
427 len += snprintf(buf + len, sizeof(buf) - len,
428 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
429 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
431 v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV);
432 len += snprintf(buf + len, sizeof(buf) - len,
433 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
434 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
436 v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
437 len += snprintf(buf + len, sizeof(buf) - len,
438 "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
439 v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
440 len += snprintf(buf + len, sizeof(buf) - len,
441 "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
443 if (len > sizeof(buf))
446 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
449 static ssize_t write_file_antenna(struct file *file,
450 const char __user *userbuf,
451 size_t count, loff_t *ppos)
453 struct ath5k_softc *sc = file->private_data;
457 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
460 if (strncmp(buf, "diversity", 9) == 0) {
461 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
462 printk(KERN_INFO "ath5k debug: enable diversity\n");
463 } else if (strncmp(buf, "fixed-a", 7) == 0) {
464 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
465 printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
466 } else if (strncmp(buf, "fixed-b", 7) == 0) {
467 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
468 printk(KERN_INFO "ath5k debug: fixed antenna B\n");
469 } else if (strncmp(buf, "clear", 5) == 0) {
470 for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
471 sc->stats.antenna_rx[i] = 0;
472 sc->stats.antenna_tx[i] = 0;
474 printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
479 static const struct file_operations fops_antenna = {
480 .read = read_file_antenna,
481 .write = write_file_antenna,
482 .open = ath5k_debugfs_open,
483 .owner = THIS_MODULE,
484 .llseek = default_llseek,
489 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
490 size_t count, loff_t *ppos)
492 struct ath5k_softc *sc = file->private_data;
494 unsigned int len = 0;
495 u32 filt = ath5k_hw_get_rx_filter(sc->ah);
497 len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
499 len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
501 if (filt & AR5K_RX_FILTER_UCAST)
502 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
503 if (filt & AR5K_RX_FILTER_MCAST)
504 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
505 if (filt & AR5K_RX_FILTER_BCAST)
506 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
507 if (filt & AR5K_RX_FILTER_CONTROL)
508 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
509 if (filt & AR5K_RX_FILTER_BEACON)
510 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
511 if (filt & AR5K_RX_FILTER_PROM)
512 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
513 if (filt & AR5K_RX_FILTER_XRPOLL)
514 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
515 if (filt & AR5K_RX_FILTER_PROBEREQ)
516 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
517 if (filt & AR5K_RX_FILTER_PHYERR_5212)
518 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
519 if (filt & AR5K_RX_FILTER_RADARERR_5212)
520 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
521 if (filt & AR5K_RX_FILTER_PHYERR_5211)
522 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
523 if (filt & AR5K_RX_FILTER_RADARERR_5211)
524 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
526 len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
527 ath_opmode_to_string(sc->opmode), sc->opmode);
529 if (len > sizeof(buf))
532 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
535 static const struct file_operations fops_misc = {
536 .read = read_file_misc,
537 .open = ath5k_debugfs_open,
538 .owner = THIS_MODULE,
542 /* debugfs: frameerrors */
544 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
545 size_t count, loff_t *ppos)
547 struct ath5k_softc *sc = file->private_data;
548 struct ath5k_statistics *st = &sc->stats;
550 unsigned int len = 0;
553 len += snprintf(buf + len, sizeof(buf) - len,
554 "RX\n---------------------\n");
555 len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
557 st->rx_all_count > 0 ?
558 st->rxerr_crc * 100 / st->rx_all_count : 0);
559 len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
561 st->rx_all_count > 0 ?
562 st->rxerr_phy * 100 / st->rx_all_count : 0);
563 for (i = 0; i < 32; i++) {
564 if (st->rxerr_phy_code[i])
565 len += snprintf(buf + len, sizeof(buf) - len,
566 " phy_err[%u]\t%u\n",
567 i, st->rxerr_phy_code[i]);
570 len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
572 st->rx_all_count > 0 ?
573 st->rxerr_fifo * 100 / st->rx_all_count : 0);
574 len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
576 st->rx_all_count > 0 ?
577 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
578 len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
580 st->rx_all_count > 0 ?
581 st->rxerr_mic * 100 / st->rx_all_count : 0);
582 len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
584 st->rx_all_count > 0 ?
585 st->rxerr_proc * 100 / st->rx_all_count : 0);
586 len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
588 st->rx_all_count > 0 ?
589 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
590 len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
592 len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
595 len += snprintf(buf + len, sizeof(buf) - len,
596 "\nTX\n---------------------\n");
597 len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
599 st->tx_all_count > 0 ?
600 st->txerr_retry * 100 / st->tx_all_count : 0);
601 len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
603 st->tx_all_count > 0 ?
604 st->txerr_fifo * 100 / st->tx_all_count : 0);
605 len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
607 st->tx_all_count > 0 ?
608 st->txerr_filt * 100 / st->tx_all_count : 0);
609 len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
611 len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
614 if (len > sizeof(buf))
617 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
620 static ssize_t write_file_frameerrors(struct file *file,
621 const char __user *userbuf,
622 size_t count, loff_t *ppos)
624 struct ath5k_softc *sc = file->private_data;
625 struct ath5k_statistics *st = &sc->stats;
628 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
631 if (strncmp(buf, "clear", 5) == 0) {
635 st->rxerr_decrypt = 0;
639 st->rx_all_count = 0;
643 st->tx_all_count = 0;
644 printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
649 static const struct file_operations fops_frameerrors = {
650 .read = read_file_frameerrors,
651 .write = write_file_frameerrors,
652 .open = ath5k_debugfs_open,
653 .owner = THIS_MODULE,
654 .llseek = default_llseek,
660 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
661 size_t count, loff_t *ppos)
663 struct ath5k_softc *sc = file->private_data;
664 struct ath5k_statistics *st = &sc->stats;
665 struct ath5k_ani_state *as = &sc->ani_state;
668 unsigned int len = 0;
670 len += snprintf(buf + len, sizeof(buf) - len,
671 "HW has PHY error counters:\t%s\n",
672 sc->ah->ah_capabilities.cap_has_phyerr_counters ?
674 len += snprintf(buf + len, sizeof(buf) - len,
675 "HW max spur immunity level:\t%d\n",
677 len += snprintf(buf + len, sizeof(buf) - len,
678 "\nANI state\n--------------------------------------------\n");
679 len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
680 switch (as->ani_mode) {
681 case ATH5K_ANI_MODE_OFF:
682 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
684 case ATH5K_ANI_MODE_MANUAL_LOW:
685 len += snprintf(buf + len, sizeof(buf) - len,
688 case ATH5K_ANI_MODE_MANUAL_HIGH:
689 len += snprintf(buf + len, sizeof(buf) - len,
692 case ATH5K_ANI_MODE_AUTO:
693 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
696 len += snprintf(buf + len, sizeof(buf) - len,
700 len += snprintf(buf + len, sizeof(buf) - len,
701 "noise immunity level:\t\t%d\n",
702 as->noise_imm_level);
703 len += snprintf(buf + len, sizeof(buf) - len,
704 "spur immunity level:\t\t%d\n",
706 len += snprintf(buf + len, sizeof(buf) - len,
707 "firstep level:\t\t\t%d\n",
709 len += snprintf(buf + len, sizeof(buf) - len,
710 "OFDM weak signal detection:\t%s\n",
711 as->ofdm_weak_sig ? "on" : "off");
712 len += snprintf(buf + len, sizeof(buf) - len,
713 "CCK weak signal detection:\t%s\n",
714 as->cck_weak_sig ? "on" : "off");
716 len += snprintf(buf + len, sizeof(buf) - len,
717 "\nMIB INTERRUPTS:\t\t%u\n",
719 len += snprintf(buf + len, sizeof(buf) - len,
720 "beacon RSSI average:\t%d\n",
721 (int)ewma_read(&sc->ah->ah_beacon_rssi_avg));
723 #define CC_PRINT(_struct, _field) \
725 _struct.cycles > 0 ? \
726 _struct._field * 100 / _struct.cycles : 0
728 len += snprintf(buf + len, sizeof(buf) - len,
729 "profcnt tx\t\t%u\t(%d%%)\n",
730 CC_PRINT(as->last_cc, tx_frame));
731 len += snprintf(buf + len, sizeof(buf) - len,
732 "profcnt rx\t\t%u\t(%d%%)\n",
733 CC_PRINT(as->last_cc, rx_frame));
734 len += snprintf(buf + len, sizeof(buf) - len,
735 "profcnt busy\t\t%u\t(%d%%)\n",
736 CC_PRINT(as->last_cc, rx_busy));
738 len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
740 len += snprintf(buf + len, sizeof(buf) - len,
741 "listen time\t\t%d\tlast: %d\n",
742 as->listen_time, as->last_listen);
743 len += snprintf(buf + len, sizeof(buf) - len,
744 "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
745 as->ofdm_errors, as->last_ofdm_errors,
746 as->sum_ofdm_errors);
747 len += snprintf(buf + len, sizeof(buf) - len,
748 "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
749 as->cck_errors, as->last_cck_errors,
751 len += snprintf(buf + len, sizeof(buf) - len,
752 "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
753 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
754 ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
755 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
756 len += snprintf(buf + len, sizeof(buf) - len,
757 "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
758 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
759 ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
760 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
762 if (len > sizeof(buf))
765 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
768 static ssize_t write_file_ani(struct file *file,
769 const char __user *userbuf,
770 size_t count, loff_t *ppos)
772 struct ath5k_softc *sc = file->private_data;
775 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
778 if (strncmp(buf, "sens-low", 8) == 0) {
779 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
780 } else if (strncmp(buf, "sens-high", 9) == 0) {
781 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
782 } else if (strncmp(buf, "ani-off", 7) == 0) {
783 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
784 } else if (strncmp(buf, "ani-on", 6) == 0) {
785 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
786 } else if (strncmp(buf, "noise-low", 9) == 0) {
787 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
788 } else if (strncmp(buf, "noise-high", 10) == 0) {
789 ath5k_ani_set_noise_immunity_level(sc->ah,
790 ATH5K_ANI_MAX_NOISE_IMM_LVL);
791 } else if (strncmp(buf, "spur-low", 8) == 0) {
792 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
793 } else if (strncmp(buf, "spur-high", 9) == 0) {
794 ath5k_ani_set_spur_immunity_level(sc->ah,
795 sc->ani_state.max_spur_level);
796 } else if (strncmp(buf, "fir-low", 7) == 0) {
797 ath5k_ani_set_firstep_level(sc->ah, 0);
798 } else if (strncmp(buf, "fir-high", 8) == 0) {
799 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
800 } else if (strncmp(buf, "ofdm-off", 8) == 0) {
801 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
802 } else if (strncmp(buf, "ofdm-on", 7) == 0) {
803 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
804 } else if (strncmp(buf, "cck-off", 7) == 0) {
805 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
806 } else if (strncmp(buf, "cck-on", 6) == 0) {
807 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
812 static const struct file_operations fops_ani = {
813 .read = read_file_ani,
814 .write = write_file_ani,
815 .open = ath5k_debugfs_open,
816 .owner = THIS_MODULE,
817 .llseek = default_llseek,
821 /* debugfs: queues etc */
823 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
824 size_t count, loff_t *ppos)
826 struct ath5k_softc *sc = file->private_data;
828 unsigned int len = 0;
830 struct ath5k_txq *txq;
831 struct ath5k_buf *bf, *bf0;
834 len += snprintf(buf + len, sizeof(buf) - len,
835 "available txbuffers: %d\n", sc->txbuf_len);
837 for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
840 len += snprintf(buf + len, sizeof(buf) - len,
841 "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
847 spin_lock_bh(&txq->lock);
848 list_for_each_entry_safe(bf, bf0, &txq->q, list)
850 spin_unlock_bh(&txq->lock);
852 len += snprintf(buf + len, sizeof(buf) - len,
853 " len: %d bufs: %d\n", txq->txq_len, n);
854 len += snprintf(buf + len, sizeof(buf) - len,
855 " stuck: %d\n", txq->txq_stuck);
858 if (len > sizeof(buf))
861 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
864 static ssize_t write_file_queue(struct file *file,
865 const char __user *userbuf,
866 size_t count, loff_t *ppos)
868 struct ath5k_softc *sc = file->private_data;
871 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
874 if (strncmp(buf, "start", 5) == 0)
875 ieee80211_wake_queues(sc->hw);
876 else if (strncmp(buf, "stop", 4) == 0)
877 ieee80211_stop_queues(sc->hw);
883 static const struct file_operations fops_queue = {
884 .read = read_file_queue,
885 .write = write_file_queue,
886 .open = ath5k_debugfs_open,
887 .owner = THIS_MODULE,
888 .llseek = default_llseek,
893 ath5k_debug_init_device(struct ath5k_softc *sc)
895 struct dentry *phydir;
897 sc->debug.level = ath5k_debug;
899 phydir = debugfs_create_dir("ath5k", sc->hw->wiphy->debugfsdir);
903 debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, sc,
906 debugfs_create_file("registers", S_IRUSR, phydir, sc, &fops_registers);
908 debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, sc,
911 debugfs_create_file("reset", S_IWUSR, phydir, sc, &fops_reset);
913 debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, sc,
916 debugfs_create_file("misc", S_IRUSR, phydir, sc, &fops_misc);
918 debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, sc,
921 debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, sc, &fops_ani);
923 debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, sc,
926 debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir,
927 &sc->ah->ah_use_32khz_clock);
930 /* functions used in other places */
933 ath5k_debug_dump_bands(struct ath5k_softc *sc)
937 if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
942 for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
943 struct ieee80211_supported_band *band = &sc->sbands[b];
945 switch (band->band) {
946 case IEEE80211_BAND_2GHZ:
947 strcpy(bname, "2 GHz");
949 case IEEE80211_BAND_5GHZ:
950 strcpy(bname, "5 GHz");
953 printk(KERN_DEBUG "Band not supported: %d\n",
957 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
958 band->n_channels, band->n_bitrates);
959 printk(KERN_DEBUG " channels:\n");
960 for (i = 0; i < band->n_channels; i++)
961 printk(KERN_DEBUG " %3d %d %.4x %.4x\n",
962 ieee80211_frequency_to_channel(
963 band->channels[i].center_freq),
964 band->channels[i].center_freq,
965 band->channels[i].hw_value,
966 band->channels[i].flags);
967 printk(KERN_DEBUG " rates:\n");
968 for (i = 0; i < band->n_bitrates; i++)
969 printk(KERN_DEBUG " %4d %.4x %.4x %.4x\n",
970 band->bitrates[i].bitrate,
971 band->bitrates[i].hw_value,
972 band->bitrates[i].flags,
973 band->bitrates[i].hw_value_short);
978 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
979 struct ath5k_rx_status *rs)
981 struct ath5k_desc *ds = bf->desc;
982 struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
984 printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
985 ds, (unsigned long long)bf->daddr,
986 ds->ds_link, ds->ds_data,
987 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
988 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
989 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
993 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
995 struct ath5k_desc *ds;
996 struct ath5k_buf *bf;
997 struct ath5k_rx_status rs = {};
1000 if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1003 printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1004 ath5k_hw_get_rxdp(ah), sc->rxlink);
1006 spin_lock_bh(&sc->rxbuflock);
1007 list_for_each_entry(bf, &sc->rxbuf, list) {
1009 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1011 ath5k_debug_printrxbuf(bf, status == 0, &rs);
1013 spin_unlock_bh(&sc->rxbuflock);
1017 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
1019 struct ath5k_desc *ds = bf->desc;
1020 struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1021 struct ath5k_tx_status ts = {};
1024 if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1027 done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
1029 printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1030 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1031 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1032 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1033 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1034 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1037 #endif /* ifdef CONFIG_ATH5K_DEBUG */