debug.c (da35111ad970081bdf6e848d1861c7d16e71079b) debug.c (2111ac0d888767999c7dd6d1309dcc1fb8012022)
1/*
2 * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
3 *
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.
8 *

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64static unsigned int ath5k_debug;
65module_param_named(debug, ath5k_debug, uint, 0);
66
67
68#ifdef CONFIG_ATH5K_DEBUG
69
70#include <linux/seq_file.h>
71#include "reg.h"
1/*
2 * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
3 *
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.
8 *

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64static unsigned int ath5k_debug;
65module_param_named(debug, ath5k_debug, uint, 0);
66
67
68#ifdef CONFIG_ATH5K_DEBUG
69
70#include <linux/seq_file.h>
71#include "reg.h"
72#include "ani.h"
72
73static struct dentry *ath5k_global_debugfs;
74
75static int ath5k_debugfs_open(struct inode *inode, struct file *file)
76{
77 file->private_data = inode->i_private;
78 return 0;
79}

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302 { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" },
303 { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" },
304 { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" },
305 { ATH5K_DEBUG_LED, "led", "LED management" },
306 { ATH5K_DEBUG_DUMP_RX, "dumprx", "print received skb content" },
307 { ATH5K_DEBUG_DUMP_TX, "dumptx", "print transmit skb content" },
308 { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" },
309 { ATH5K_DEBUG_TRACE, "trace", "trace function calls" },
73
74static struct dentry *ath5k_global_debugfs;
75
76static int ath5k_debugfs_open(struct inode *inode, struct file *file)
77{
78 file->private_data = inode->i_private;
79 return 0;
80}

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303 { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" },
304 { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" },
305 { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" },
306 { ATH5K_DEBUG_LED, "led", "LED management" },
307 { ATH5K_DEBUG_DUMP_RX, "dumprx", "print received skb content" },
308 { ATH5K_DEBUG_DUMP_TX, "dumptx", "print transmit skb content" },
309 { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" },
310 { ATH5K_DEBUG_TRACE, "trace", "trace function calls" },
311 { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" },
310 { ATH5K_DEBUG_ANY, "all", "show all debug levels" },
311};
312
313static ssize_t read_file_debug(struct file *file, char __user *user_buf,
314 size_t count, loff_t *ppos)
315{
316 struct ath5k_softc *sc = file->private_data;
317 char buf[700];

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568static const struct file_operations fops_frameerrors = {
569 .read = read_file_frameerrors,
570 .write = write_file_frameerrors,
571 .open = ath5k_debugfs_open,
572 .owner = THIS_MODULE,
573};
574
575
312 { ATH5K_DEBUG_ANY, "all", "show all debug levels" },
313};
314
315static ssize_t read_file_debug(struct file *file, char __user *user_buf,
316 size_t count, loff_t *ppos)
317{
318 struct ath5k_softc *sc = file->private_data;
319 char buf[700];

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570static const struct file_operations fops_frameerrors = {
571 .read = read_file_frameerrors,
572 .write = write_file_frameerrors,
573 .open = ath5k_debugfs_open,
574 .owner = THIS_MODULE,
575};
576
577
578/* debugfs: ani */
579
580static ssize_t read_file_ani(struct file *file, char __user *user_buf,
581 size_t count, loff_t *ppos)
582{
583 struct ath5k_softc *sc = file->private_data;
584 struct ath5k_statistics *st = &sc->stats;
585 struct ath5k_ani_state *as = &sc->ani_state;
586
587 char buf[700];
588 unsigned int len = 0;
589
590 len += snprintf(buf+len, sizeof(buf)-len,
591 "HW has PHY error counters:\t%s\n",
592 sc->ah->ah_capabilities.cap_has_phyerr_counters ?
593 "yes" : "no");
594 len += snprintf(buf+len, sizeof(buf)-len,
595 "HW max spur immunity level:\t%d\n",
596 as->max_spur_level);
597 len += snprintf(buf+len, sizeof(buf)-len,
598 "\nANI state\n--------------------------------------------\n");
599 len += snprintf(buf+len, sizeof(buf)-len, "operating mode:\t\t\t");
600 switch (as->ani_mode) {
601 case ATH5K_ANI_MODE_OFF:
602 len += snprintf(buf+len, sizeof(buf)-len, "OFF\n");
603 break;
604 case ATH5K_ANI_MODE_MANUAL_LOW:
605 len += snprintf(buf+len, sizeof(buf)-len,
606 "MANUAL LOW\n");
607 break;
608 case ATH5K_ANI_MODE_MANUAL_HIGH:
609 len += snprintf(buf+len, sizeof(buf)-len,
610 "MANUAL HIGH\n");
611 break;
612 case ATH5K_ANI_MODE_AUTO:
613 len += snprintf(buf+len, sizeof(buf)-len, "AUTO\n");
614 break;
615 default:
616 len += snprintf(buf+len, sizeof(buf)-len,
617 "??? (not good)\n");
618 break;
619 }
620 len += snprintf(buf+len, sizeof(buf)-len,
621 "noise immunity level:\t\t%d\n",
622 as->noise_imm_level);
623 len += snprintf(buf+len, sizeof(buf)-len,
624 "spur immunity level:\t\t%d\n",
625 as->spur_level);
626 len += snprintf(buf+len, sizeof(buf)-len, "firstep level:\t\t\t%d\n",
627 as->firstep_level);
628 len += snprintf(buf+len, sizeof(buf)-len,
629 "OFDM weak signal detection:\t%s\n",
630 as->ofdm_weak_sig ? "on" : "off");
631 len += snprintf(buf+len, sizeof(buf)-len,
632 "CCK weak signal detection:\t%s\n",
633 as->cck_weak_sig ? "on" : "off");
634
635 len += snprintf(buf+len, sizeof(buf)-len,
636 "\nMIB INTERRUPTS:\t\t%u\n",
637 st->mib_intr);
638 len += snprintf(buf+len, sizeof(buf)-len,
639 "beacon RSSI average:\t%d\n",
640 sc->ah->ah_beacon_rssi_avg.avg);
641 len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
642 as->pfc_tx,
643 as->pfc_cycles > 0 ?
644 as->pfc_tx*100/as->pfc_cycles : 0);
645 len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
646 as->pfc_rx,
647 as->pfc_cycles > 0 ?
648 as->pfc_rx*100/as->pfc_cycles : 0);
649 len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
650 as->pfc_busy,
651 as->pfc_cycles > 0 ?
652 as->pfc_busy*100/as->pfc_cycles : 0);
653 len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
654 as->pfc_cycles);
655 len += snprintf(buf+len, sizeof(buf)-len,
656 "listen time\t\t%d\tlast: %d\n",
657 as->listen_time, as->last_listen);
658 len += snprintf(buf+len, sizeof(buf)-len,
659 "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
660 as->ofdm_errors, as->last_ofdm_errors,
661 as->sum_ofdm_errors);
662 len += snprintf(buf+len, sizeof(buf)-len,
663 "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
664 as->cck_errors, as->last_cck_errors,
665 as->sum_cck_errors);
666 len += snprintf(buf+len, sizeof(buf)-len,
667 "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
668 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
669 ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
670 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
671 len += snprintf(buf+len, sizeof(buf)-len,
672 "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
673 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
674 ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
675 ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
676
677 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
678}
679
680static ssize_t write_file_ani(struct file *file,
681 const char __user *userbuf,
682 size_t count, loff_t *ppos)
683{
684 struct ath5k_softc *sc = file->private_data;
685 char buf[20];
686
687 if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
688 return -EFAULT;
689
690 if (strncmp(buf, "sens-low", 8) == 0) {
691 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
692 } else if (strncmp(buf, "sens-high", 9) == 0) {
693 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
694 } else if (strncmp(buf, "ani-off", 7) == 0) {
695 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
696 } else if (strncmp(buf, "ani-on", 6) == 0) {
697 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
698 } else if (strncmp(buf, "noise-low", 9) == 0) {
699 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
700 } else if (strncmp(buf, "noise-high", 10) == 0) {
701 ath5k_ani_set_noise_immunity_level(sc->ah,
702 ATH5K_ANI_MAX_NOISE_IMM_LVL);
703 } else if (strncmp(buf, "spur-low", 8) == 0) {
704 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
705 } else if (strncmp(buf, "spur-high", 9) == 0) {
706 ath5k_ani_set_spur_immunity_level(sc->ah,
707 sc->ani_state.max_spur_level);
708 } else if (strncmp(buf, "fir-low", 7) == 0) {
709 ath5k_ani_set_firstep_level(sc->ah, 0);
710 } else if (strncmp(buf, "fir-high", 8) == 0) {
711 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
712 } else if (strncmp(buf, "ofdm-off", 8) == 0) {
713 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
714 } else if (strncmp(buf, "ofdm-on", 7) == 0) {
715 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
716 } else if (strncmp(buf, "cck-off", 7) == 0) {
717 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
718 } else if (strncmp(buf, "cck-on", 6) == 0) {
719 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
720 }
721 return count;
722}
723
724static const struct file_operations fops_ani = {
725 .read = read_file_ani,
726 .write = write_file_ani,
727 .open = ath5k_debugfs_open,
728 .owner = THIS_MODULE,
729};
730
731
576/* init */
577
578void
579ath5k_debug_init(void)
580{
581 ath5k_global_debugfs = debugfs_create_dir("ath5k", NULL);
582}
583

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606 sc->debug.debugfs_antenna = debugfs_create_file("antenna",
607 S_IWUSR | S_IRUSR,
608 sc->debug.debugfs_phydir, sc, &fops_antenna);
609
610 sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
611 S_IWUSR | S_IRUSR,
612 sc->debug.debugfs_phydir, sc,
613 &fops_frameerrors);
732/* init */
733
734void
735ath5k_debug_init(void)
736{
737 ath5k_global_debugfs = debugfs_create_dir("ath5k", NULL);
738}
739

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762 sc->debug.debugfs_antenna = debugfs_create_file("antenna",
763 S_IWUSR | S_IRUSR,
764 sc->debug.debugfs_phydir, sc, &fops_antenna);
765
766 sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
767 S_IWUSR | S_IRUSR,
768 sc->debug.debugfs_phydir, sc,
769 &fops_frameerrors);
770
771 sc->debug.debugfs_ani = debugfs_create_file("ani",
772 S_IWUSR | S_IRUSR,
773 sc->debug.debugfs_phydir, sc,
774 &fops_ani);
614}
615
616void
617ath5k_debug_finish(void)
618{
619 debugfs_remove(ath5k_global_debugfs);
620}
621
622void
623ath5k_debug_finish_device(struct ath5k_softc *sc)
624{
625 debugfs_remove(sc->debug.debugfs_debug);
626 debugfs_remove(sc->debug.debugfs_registers);
627 debugfs_remove(sc->debug.debugfs_beacon);
628 debugfs_remove(sc->debug.debugfs_reset);
629 debugfs_remove(sc->debug.debugfs_antenna);
630 debugfs_remove(sc->debug.debugfs_frameerrors);
775}
776
777void
778ath5k_debug_finish(void)
779{
780 debugfs_remove(ath5k_global_debugfs);
781}
782
783void
784ath5k_debug_finish_device(struct ath5k_softc *sc)
785{
786 debugfs_remove(sc->debug.debugfs_debug);
787 debugfs_remove(sc->debug.debugfs_registers);
788 debugfs_remove(sc->debug.debugfs_beacon);
789 debugfs_remove(sc->debug.debugfs_reset);
790 debugfs_remove(sc->debug.debugfs_antenna);
791 debugfs_remove(sc->debug.debugfs_frameerrors);
792 debugfs_remove(sc->debug.debugfs_ani);
631 debugfs_remove(sc->debug.debugfs_phydir);
632}
633
634
635/* functions used in other places */
636
637void
638ath5k_debug_dump_bands(struct ath5k_softc *sc)

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794}
795
796
797/* functions used in other places */
798
799void
800ath5k_debug_dump_bands(struct ath5k_softc *sc)

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