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 struct dentry *ath5k_global_debugfs;
76 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
78 file->private_data = inode->i_private;
83 /* debugfs: registers */
90 #define REG_STRUCT_INIT(r) { #r, r }
92 /* just a few random registers, might want to add more */
93 static const struct reg regs[] = {
94 REG_STRUCT_INIT(AR5K_CR),
95 REG_STRUCT_INIT(AR5K_RXDP),
96 REG_STRUCT_INIT(AR5K_CFG),
97 REG_STRUCT_INIT(AR5K_IER),
98 REG_STRUCT_INIT(AR5K_BCR),
99 REG_STRUCT_INIT(AR5K_RTSD0),
100 REG_STRUCT_INIT(AR5K_RTSD1),
101 REG_STRUCT_INIT(AR5K_TXCFG),
102 REG_STRUCT_INIT(AR5K_RXCFG),
103 REG_STRUCT_INIT(AR5K_RXJLA),
104 REG_STRUCT_INIT(AR5K_MIBC),
105 REG_STRUCT_INIT(AR5K_TOPS),
106 REG_STRUCT_INIT(AR5K_RXNOFRM),
107 REG_STRUCT_INIT(AR5K_TXNOFRM),
108 REG_STRUCT_INIT(AR5K_RPGTO),
109 REG_STRUCT_INIT(AR5K_RFCNT),
110 REG_STRUCT_INIT(AR5K_MISC),
111 REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
112 REG_STRUCT_INIT(AR5K_ISR),
113 REG_STRUCT_INIT(AR5K_PISR),
114 REG_STRUCT_INIT(AR5K_SISR0),
115 REG_STRUCT_INIT(AR5K_SISR1),
116 REG_STRUCT_INIT(AR5K_SISR2),
117 REG_STRUCT_INIT(AR5K_SISR3),
118 REG_STRUCT_INIT(AR5K_SISR4),
119 REG_STRUCT_INIT(AR5K_IMR),
120 REG_STRUCT_INIT(AR5K_PIMR),
121 REG_STRUCT_INIT(AR5K_SIMR0),
122 REG_STRUCT_INIT(AR5K_SIMR1),
123 REG_STRUCT_INIT(AR5K_SIMR2),
124 REG_STRUCT_INIT(AR5K_SIMR3),
125 REG_STRUCT_INIT(AR5K_SIMR4),
126 REG_STRUCT_INIT(AR5K_DCM_ADDR),
127 REG_STRUCT_INIT(AR5K_DCCFG),
128 REG_STRUCT_INIT(AR5K_CCFG),
129 REG_STRUCT_INIT(AR5K_CPC0),
130 REG_STRUCT_INIT(AR5K_CPC1),
131 REG_STRUCT_INIT(AR5K_CPC2),
132 REG_STRUCT_INIT(AR5K_CPC3),
133 REG_STRUCT_INIT(AR5K_CPCOVF),
134 REG_STRUCT_INIT(AR5K_RESET_CTL),
135 REG_STRUCT_INIT(AR5K_SLEEP_CTL),
136 REG_STRUCT_INIT(AR5K_INTPEND),
137 REG_STRUCT_INIT(AR5K_SFR),
138 REG_STRUCT_INIT(AR5K_PCICFG),
139 REG_STRUCT_INIT(AR5K_GPIOCR),
140 REG_STRUCT_INIT(AR5K_GPIODO),
141 REG_STRUCT_INIT(AR5K_SREV),
144 static void *reg_start(struct seq_file *seq, loff_t *pos)
146 return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
149 static void reg_stop(struct seq_file *seq, void *p)
154 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
157 return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
160 static int reg_show(struct seq_file *seq, void *p)
162 struct ath5k_softc *sc = seq->private;
164 seq_printf(seq, "%-25s0x%08x\n", r->name,
165 ath5k_hw_reg_read(sc->ah, r->addr));
169 static const struct seq_operations register_seq_ops = {
176 static int open_file_registers(struct inode *inode, struct file *file)
180 res = seq_open(file, ®ister_seq_ops);
182 s = file->private_data;
183 s->private = inode->i_private;
188 static const struct file_operations fops_registers = {
189 .open = open_file_registers,
192 .release = seq_release,
193 .owner = THIS_MODULE,
197 /* debugfs: beacons */
199 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
200 size_t count, loff_t *ppos)
202 struct ath5k_softc *sc = file->private_data;
203 struct ath5k_hw *ah = sc->ah;
205 unsigned int len = 0;
209 v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON);
210 len += snprintf(buf+len, sizeof(buf)-len,
211 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
212 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
213 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
215 len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n",
216 "AR5K_LAST_TSTP", ath5k_hw_reg_read(sc->ah, AR5K_LAST_TSTP));
218 len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n\n",
219 "AR5K_BEACON_CNT", ath5k_hw_reg_read(sc->ah, AR5K_BEACON_CNT));
221 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER0);
222 len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
223 "AR5K_TIMER0 (TBTT)", v, v);
225 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER1);
226 len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
227 "AR5K_TIMER1 (DMA)", v, v >> 3);
229 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER2);
230 len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
231 "AR5K_TIMER2 (SWBA)", v, v >> 3);
233 v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER3);
234 len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
235 "AR5K_TIMER3 (ATIM)", v, v);
237 tsf = ath5k_hw_get_tsf64(sc->ah);
238 len += snprintf(buf+len, sizeof(buf)-len,
239 "TSF\t\t0x%016llx\tTU: %08x\n",
240 (unsigned long long)tsf, TSF_TO_TU(tsf));
242 if (len > sizeof(buf))
245 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
248 static ssize_t write_file_beacon(struct file *file,
249 const char __user *userbuf,
250 size_t count, loff_t *ppos)
252 struct ath5k_softc *sc = file->private_data;
253 struct ath5k_hw *ah = sc->ah;
256 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
259 if (strncmp(buf, "disable", 7) == 0) {
260 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
261 printk(KERN_INFO "debugfs disable beacons\n");
262 } else if (strncmp(buf, "enable", 6) == 0) {
263 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
264 printk(KERN_INFO "debugfs enable beacons\n");
269 static const struct file_operations fops_beacon = {
270 .read = read_file_beacon,
271 .write = write_file_beacon,
272 .open = ath5k_debugfs_open,
273 .owner = THIS_MODULE,
279 static ssize_t write_file_reset(struct file *file,
280 const char __user *userbuf,
281 size_t count, loff_t *ppos)
283 struct ath5k_softc *sc = file->private_data;
284 ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
285 ieee80211_queue_work(sc->hw, &sc->reset_work);
289 static const struct file_operations fops_reset = {
290 .write = write_file_reset,
291 .open = ath5k_debugfs_open,
292 .owner = THIS_MODULE,
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_DUMP_RX, "dumprx", "print received skb content" },
312 { ATH5K_DEBUG_DUMP_TX, "dumptx", "print transmit skb content" },
313 { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" },
314 { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" },
315 { ATH5K_DEBUG_DESC, "desc", "descriptor chains" },
316 { ATH5K_DEBUG_ANY, "all", "show all debug levels" },
319 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
320 size_t count, loff_t *ppos)
322 struct ath5k_softc *sc = file->private_data;
324 unsigned int len = 0;
327 len += snprintf(buf+len, sizeof(buf)-len,
328 "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level);
330 for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
331 len += snprintf(buf+len, sizeof(buf)-len,
332 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
333 sc->debug.level & dbg_info[i].level ? '+' : ' ',
334 dbg_info[i].level, dbg_info[i].desc);
336 len += snprintf(buf+len, sizeof(buf)-len,
337 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
338 sc->debug.level == dbg_info[i].level ? '+' : ' ',
339 dbg_info[i].level, dbg_info[i].desc);
341 if (len > sizeof(buf))
344 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
347 static ssize_t write_file_debug(struct file *file,
348 const char __user *userbuf,
349 size_t count, loff_t *ppos)
351 struct ath5k_softc *sc = file->private_data;
355 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
358 for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
359 if (strncmp(buf, dbg_info[i].name,
360 strlen(dbg_info[i].name)) == 0) {
361 sc->debug.level ^= dbg_info[i].level; /* toggle bit */
368 static const struct file_operations fops_debug = {
369 .read = read_file_debug,
370 .write = write_file_debug,
371 .open = ath5k_debugfs_open,
372 .owner = THIS_MODULE,
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,
487 /* debugfs: frameerrors */
489 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
490 size_t count, loff_t *ppos)
492 struct ath5k_softc *sc = file->private_data;
493 struct ath5k_statistics *st = &sc->stats;
495 unsigned int len = 0;
498 len += snprintf(buf+len, sizeof(buf)-len,
499 "RX\n---------------------\n");
500 len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%d\t(%d%%)\n",
502 st->rx_all_count > 0 ?
503 st->rxerr_crc*100/st->rx_all_count : 0);
504 len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%d\t(%d%%)\n",
506 st->rx_all_count > 0 ?
507 st->rxerr_phy*100/st->rx_all_count : 0);
508 for (i = 0; i < 32; i++) {
509 if (st->rxerr_phy_code[i])
510 len += snprintf(buf+len, sizeof(buf)-len,
511 " phy_err[%d]\t%d\n",
512 i, st->rxerr_phy_code[i]);
515 len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
517 st->rx_all_count > 0 ?
518 st->rxerr_fifo*100/st->rx_all_count : 0);
519 len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%d\t(%d%%)\n",
521 st->rx_all_count > 0 ?
522 st->rxerr_decrypt*100/st->rx_all_count : 0);
523 len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%d\t(%d%%)\n",
525 st->rx_all_count > 0 ?
526 st->rxerr_mic*100/st->rx_all_count : 0);
527 len += snprintf(buf+len, sizeof(buf)-len, "process\t%d\t(%d%%)\n",
529 st->rx_all_count > 0 ?
530 st->rxerr_proc*100/st->rx_all_count : 0);
531 len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%d\t(%d%%)\n",
533 st->rx_all_count > 0 ?
534 st->rxerr_jumbo*100/st->rx_all_count : 0);
535 len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n",
538 len += snprintf(buf+len, sizeof(buf)-len,
539 "\nTX\n---------------------\n");
540 len += snprintf(buf+len, sizeof(buf)-len, "retry\t%d\t(%d%%)\n",
542 st->tx_all_count > 0 ?
543 st->txerr_retry*100/st->tx_all_count : 0);
544 len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
546 st->tx_all_count > 0 ?
547 st->txerr_fifo*100/st->tx_all_count : 0);
548 len += snprintf(buf+len, sizeof(buf)-len, "filter\t%d\t(%d%%)\n",
550 st->tx_all_count > 0 ?
551 st->txerr_filt*100/st->tx_all_count : 0);
552 len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n",
555 if (len > sizeof(buf))
558 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
561 static ssize_t write_file_frameerrors(struct file *file,
562 const char __user *userbuf,
563 size_t count, loff_t *ppos)
565 struct ath5k_softc *sc = file->private_data;
566 struct ath5k_statistics *st = &sc->stats;
569 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
572 if (strncmp(buf, "clear", 5) == 0) {
576 st->rxerr_decrypt = 0;
580 st->rx_all_count = 0;
584 st->tx_all_count = 0;
585 printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
590 static const struct file_operations fops_frameerrors = {
591 .read = read_file_frameerrors,
592 .write = write_file_frameerrors,
593 .open = ath5k_debugfs_open,
594 .owner = THIS_MODULE,
600 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
601 size_t count, loff_t *ppos)
603 struct ath5k_softc *sc = file->private_data;
604 struct ath5k_statistics *st = &sc->stats;
605 struct ath5k_ani_state *as = &sc->ani_state;
608 unsigned int len = 0;
610 len += snprintf(buf+len, sizeof(buf)-len,
611 "HW has PHY error counters:\t%s\n",
612 sc->ah->ah_capabilities.cap_has_phyerr_counters ?
614 len += snprintf(buf+len, sizeof(buf)-len,
615 "HW max spur immunity level:\t%d\n",
617 len += snprintf(buf+len, sizeof(buf)-len,
618 "\nANI state\n--------------------------------------------\n");
619 len += snprintf(buf+len, sizeof(buf)-len, "operating mode:\t\t\t");
620 switch (as->ani_mode) {
621 case ATH5K_ANI_MODE_OFF:
622 len += snprintf(buf+len, sizeof(buf)-len, "OFF\n");
624 case ATH5K_ANI_MODE_MANUAL_LOW:
625 len += snprintf(buf+len, sizeof(buf)-len,
628 case ATH5K_ANI_MODE_MANUAL_HIGH:
629 len += snprintf(buf+len, sizeof(buf)-len,
632 case ATH5K_ANI_MODE_AUTO:
633 len += snprintf(buf+len, sizeof(buf)-len, "AUTO\n");
636 len += snprintf(buf+len, sizeof(buf)-len,
640 len += snprintf(buf+len, sizeof(buf)-len,
641 "noise immunity level:\t\t%d\n",
642 as->noise_imm_level);
643 len += snprintf(buf+len, sizeof(buf)-len,
644 "spur immunity level:\t\t%d\n",
646 len += snprintf(buf+len, sizeof(buf)-len, "firstep level:\t\t\t%d\n",
648 len += snprintf(buf+len, sizeof(buf)-len,
649 "OFDM weak signal detection:\t%s\n",
650 as->ofdm_weak_sig ? "on" : "off");
651 len += snprintf(buf+len, sizeof(buf)-len,
652 "CCK weak signal detection:\t%s\n",
653 as->cck_weak_sig ? "on" : "off");
655 len += snprintf(buf+len, sizeof(buf)-len,
656 "\nMIB INTERRUPTS:\t\t%u\n",
658 len += snprintf(buf+len, sizeof(buf)-len,
659 "beacon RSSI average:\t%d\n",
660 sc->ah->ah_beacon_rssi_avg.avg);
661 len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
664 as->pfc_tx*100/as->pfc_cycles : 0);
665 len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
668 as->pfc_rx*100/as->pfc_cycles : 0);
669 len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
672 as->pfc_busy*100/as->pfc_cycles : 0);
673 len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
675 len += snprintf(buf+len, sizeof(buf)-len,
676 "listen time\t\t%d\tlast: %d\n",
677 as->listen_time, as->last_listen);
678 len += snprintf(buf+len, sizeof(buf)-len,
679 "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
680 as->ofdm_errors, as->last_ofdm_errors,
681 as->sum_ofdm_errors);
682 len += snprintf(buf+len, sizeof(buf)-len,
683 "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
684 as->cck_errors, as->last_cck_errors,
686 len += snprintf(buf+len, sizeof(buf)-len,
687 "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
688 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
689 ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
690 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
691 len += snprintf(buf+len, sizeof(buf)-len,
692 "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
693 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
694 ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
695 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
697 if (len > sizeof(buf))
700 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
703 static ssize_t write_file_ani(struct file *file,
704 const char __user *userbuf,
705 size_t count, loff_t *ppos)
707 struct ath5k_softc *sc = file->private_data;
710 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
713 if (strncmp(buf, "sens-low", 8) == 0) {
714 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
715 } else if (strncmp(buf, "sens-high", 9) == 0) {
716 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
717 } else if (strncmp(buf, "ani-off", 7) == 0) {
718 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
719 } else if (strncmp(buf, "ani-on", 6) == 0) {
720 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
721 } else if (strncmp(buf, "noise-low", 9) == 0) {
722 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
723 } else if (strncmp(buf, "noise-high", 10) == 0) {
724 ath5k_ani_set_noise_immunity_level(sc->ah,
725 ATH5K_ANI_MAX_NOISE_IMM_LVL);
726 } else if (strncmp(buf, "spur-low", 8) == 0) {
727 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
728 } else if (strncmp(buf, "spur-high", 9) == 0) {
729 ath5k_ani_set_spur_immunity_level(sc->ah,
730 sc->ani_state.max_spur_level);
731 } else if (strncmp(buf, "fir-low", 7) == 0) {
732 ath5k_ani_set_firstep_level(sc->ah, 0);
733 } else if (strncmp(buf, "fir-high", 8) == 0) {
734 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
735 } else if (strncmp(buf, "ofdm-off", 8) == 0) {
736 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
737 } else if (strncmp(buf, "ofdm-on", 7) == 0) {
738 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
739 } else if (strncmp(buf, "cck-off", 7) == 0) {
740 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
741 } else if (strncmp(buf, "cck-on", 6) == 0) {
742 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
747 static const struct file_operations fops_ani = {
748 .read = read_file_ani,
749 .write = write_file_ani,
750 .open = ath5k_debugfs_open,
751 .owner = THIS_MODULE,
755 /* debugfs: queues etc */
757 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
758 size_t count, loff_t *ppos)
760 struct ath5k_softc *sc = file->private_data;
762 unsigned int len = 0;
764 struct ath5k_txq *txq;
765 struct ath5k_buf *bf, *bf0;
768 len += snprintf(buf+len, sizeof(buf)-len,
769 "available txbuffers: %d\n", sc->txbuf_len);
771 for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
774 len += snprintf(buf+len, sizeof(buf)-len,
775 "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
781 spin_lock_bh(&txq->lock);
782 list_for_each_entry_safe(bf, bf0, &txq->q, list)
784 spin_unlock_bh(&txq->lock);
786 len += snprintf(buf+len, sizeof(buf)-len,
787 " len: %d bufs: %d\n", txq->txq_len, n);
788 len += snprintf(buf+len, sizeof(buf)-len,
789 " stuck: %d\n", txq->txq_stuck);
792 if (len > sizeof(buf))
795 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
798 static ssize_t write_file_queue(struct file *file,
799 const char __user *userbuf,
800 size_t count, loff_t *ppos)
802 struct ath5k_softc *sc = file->private_data;
805 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
808 if (strncmp(buf, "start", 5) == 0)
809 ieee80211_wake_queues(sc->hw);
810 else if (strncmp(buf, "stop", 4) == 0)
811 ieee80211_stop_queues(sc->hw);
817 static const struct file_operations fops_queue = {
818 .read = read_file_queue,
819 .write = write_file_queue,
820 .open = ath5k_debugfs_open,
821 .owner = THIS_MODULE,
828 ath5k_debug_init(void)
830 ath5k_global_debugfs = debugfs_create_dir("ath5k", NULL);
834 ath5k_debug_init_device(struct ath5k_softc *sc)
836 sc->debug.level = ath5k_debug;
838 sc->debug.debugfs_phydir = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
839 ath5k_global_debugfs);
841 sc->debug.debugfs_debug = debugfs_create_file("debug",
843 sc->debug.debugfs_phydir, sc, &fops_debug);
845 sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUSR,
846 sc->debug.debugfs_phydir, sc, &fops_registers);
848 sc->debug.debugfs_beacon = debugfs_create_file("beacon",
850 sc->debug.debugfs_phydir, sc, &fops_beacon);
852 sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
853 sc->debug.debugfs_phydir, sc, &fops_reset);
855 sc->debug.debugfs_antenna = debugfs_create_file("antenna",
857 sc->debug.debugfs_phydir, sc, &fops_antenna);
859 sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
861 sc->debug.debugfs_phydir, sc,
864 sc->debug.debugfs_ani = debugfs_create_file("ani",
866 sc->debug.debugfs_phydir, sc,
869 sc->debug.debugfs_queue = debugfs_create_file("queue",
871 sc->debug.debugfs_phydir, sc,
876 ath5k_debug_finish(void)
878 debugfs_remove(ath5k_global_debugfs);
882 ath5k_debug_finish_device(struct ath5k_softc *sc)
884 debugfs_remove(sc->debug.debugfs_debug);
885 debugfs_remove(sc->debug.debugfs_registers);
886 debugfs_remove(sc->debug.debugfs_beacon);
887 debugfs_remove(sc->debug.debugfs_reset);
888 debugfs_remove(sc->debug.debugfs_antenna);
889 debugfs_remove(sc->debug.debugfs_frameerrors);
890 debugfs_remove(sc->debug.debugfs_ani);
891 debugfs_remove(sc->debug.debugfs_queue);
892 debugfs_remove(sc->debug.debugfs_phydir);
896 /* functions used in other places */
899 ath5k_debug_dump_bands(struct ath5k_softc *sc)
903 if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
908 for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
909 struct ieee80211_supported_band *band = &sc->sbands[b];
911 switch (band->band) {
912 case IEEE80211_BAND_2GHZ:
913 strcpy(bname, "2 GHz");
915 case IEEE80211_BAND_5GHZ:
916 strcpy(bname, "5 GHz");
919 printk(KERN_DEBUG "Band not supported: %d\n",
923 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
924 band->n_channels, band->n_bitrates);
925 printk(KERN_DEBUG " channels:\n");
926 for (i = 0; i < band->n_channels; i++)
927 printk(KERN_DEBUG " %3d %d %.4x %.4x\n",
928 ieee80211_frequency_to_channel(
929 band->channels[i].center_freq),
930 band->channels[i].center_freq,
931 band->channels[i].hw_value,
932 band->channels[i].flags);
933 printk(KERN_DEBUG " rates:\n");
934 for (i = 0; i < band->n_bitrates; i++)
935 printk(KERN_DEBUG " %4d %.4x %.4x %.4x\n",
936 band->bitrates[i].bitrate,
937 band->bitrates[i].hw_value,
938 band->bitrates[i].flags,
939 band->bitrates[i].hw_value_short);
944 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
945 struct ath5k_rx_status *rs)
947 struct ath5k_desc *ds = bf->desc;
948 struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
950 printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
951 ds, (unsigned long long)bf->daddr,
952 ds->ds_link, ds->ds_data,
953 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
954 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
955 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
959 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
961 struct ath5k_desc *ds;
962 struct ath5k_buf *bf;
963 struct ath5k_rx_status rs = {};
966 if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
969 printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
970 ath5k_hw_get_rxdp(ah), sc->rxlink);
972 spin_lock_bh(&sc->rxbuflock);
973 list_for_each_entry(bf, &sc->rxbuf, list) {
975 status = ah->ah_proc_rx_desc(ah, ds, &rs);
977 ath5k_debug_printrxbuf(bf, status == 0, &rs);
979 spin_unlock_bh(&sc->rxbuflock);
983 ath5k_debug_dump_skb(struct ath5k_softc *sc,
984 struct sk_buff *skb, const char *prefix, int tx)
988 if (likely(!((tx && (sc->debug.level & ATH5K_DEBUG_DUMP_TX)) ||
989 (!tx && (sc->debug.level & ATH5K_DEBUG_DUMP_RX)))))
992 snprintf(buf, sizeof(buf), "%s %s", wiphy_name(sc->hw->wiphy), prefix);
994 print_hex_dump_bytes(buf, DUMP_PREFIX_NONE, skb->data,
995 min(200U, skb->len));
997 printk(KERN_DEBUG "\n");
1001 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
1003 struct ath5k_desc *ds = bf->desc;
1004 struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1005 struct ath5k_tx_status ts = {};
1008 if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1011 done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
1013 printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1014 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1015 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1016 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1017 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1018 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1021 #endif /* ifdef CONFIG_ATH5K_DEBUG */