debug.c File Reference

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/vmalloc.h>
#include "carl9170.h"
#include "cmd.h"

Go to the source code of this file.

Data Structures
struct	carl9170_debugfs_fops

Macros
#define	ADD(buf, off, max, fmt, args...)   off += snprintf(&buf[off], max - off, fmt, ##args);
#define	__DEBUGFS_DECLARE_FILE(name, _read, _write, _read_bufsize, _attr, _dstate)
#define	DEBUGFS_DECLARE_FILE(name, _read, _write, _read_bufsize, _attr)
#define	DEBUGFS_DECLARE_RO_FILE(name, _read_bufsize)
#define	DEBUGFS_DECLARE_WO_FILE(name)
#define	DEBUGFS_DECLARE_RW_FILE(name, _read_bufsize)
#define	__DEBUGFS_DECLARE_RW_FILE(name, _read_bufsize, _dstate)
#define	DEBUGFS_READONLY_FILE(name, _read_bufsize, fmt, value...)
#define	BM_STR_OFF(offset)
#define	DEBUGFS_QUEUE_DUMP(q, qi)
#define	UPDATE_COUNTER(ar, name)
#define	TALLY_SUM_UP(ar, name)
#define	DEBUGFS_HW_TALLY_FILE(name, f)
#define	DEBUGFS_HW_REG_FILE(name, f)
#define	DEBUGFS_ADD(name)

Functions
	DEBUGFS_DECLARE_RO_FILE (mem_usage, 512)
	DEBUGFS_DECLARE_RO_FILE (qos_stat, 512)
	DEBUGFS_DECLARE_RO_FILE (ampdu_state, 8000)
	DEBUGFS_DECLARE_RO_FILE (sta_psm, 160)
	DEBUGFS_DECLARE_RO_FILE (tx_stuck, 180)
	DEBUGFS_DECLARE_RO_FILE (phy_noise, 180)
	DEBUGFS_DECLARE_RO_FILE (vif_dump, 8000)
	DEBUGFS_DECLARE_RW_FILE (hw_ioread32, CARL9170_DEBUG_RING_SIZE *40)
	__DEBUGFS_DECLARE_RW_FILE (bug, 400, CARL9170_STOPPED)
	DEBUGFS_DECLARE_RW_FILE (erp, 80)
	DEBUGFS_DECLARE_WO_FILE (hw_iowrite32)
	DEBUGFS_HW_TALLY_FILE (hw_tx_tally,"u")
	DEBUGFS_HW_TALLY_FILE (hw_rx_tally,"u")
	DEBUGFS_HW_TALLY_FILE (hw_phy_errors,"u")
	DEBUGFS_HW_REG_FILE (hw_wlan_queue,".8x")
	DEBUGFS_HW_REG_FILE (hw_pta_queue,".8x")
	DEBUGFS_HW_REG_FILE (hw_ampdu_info,".8x")
	DEBUGFS_QUEUE_DUMP (tx_status, 0)
	DEBUGFS_QUEUE_DUMP (tx_status, 1)
	DEBUGFS_QUEUE_DUMP (tx_status, 2)
	DEBUGFS_QUEUE_DUMP (tx_status, 3)
	DEBUGFS_QUEUE_DUMP (tx_pending, 0)
	DEBUGFS_QUEUE_DUMP (tx_pending, 1)
	DEBUGFS_QUEUE_DUMP (tx_pending, 2)
	DEBUGFS_QUEUE_DUMP (tx_pending, 3)
	DEBUGFS_READONLY_FILE (usb_tx_anch_urbs, 20,"%d", atomic_read(&ar->tx_anch_urbs))
	DEBUGFS_READONLY_FILE (usb_rx_anch_urbs, 20,"%d", atomic_read(&ar->rx_anch_urbs))
	DEBUGFS_READONLY_FILE (usb_rx_work_urbs, 20,"%d", atomic_read(&ar->rx_work_urbs))
	DEBUGFS_READONLY_FILE (usb_rx_pool_urbs, 20,"%d", atomic_read(&ar->rx_pool_urbs))
	DEBUGFS_READONLY_FILE (tx_total_queued, 20,"%d", atomic_read(&ar->tx_total_queued))
	DEBUGFS_READONLY_FILE (tx_ampdu_scheduler, 20,"%d", atomic_read(&ar->tx_ampdu_scheduler))
	DEBUGFS_READONLY_FILE (tx_total_pending, 20,"%d", atomic_read(&ar->tx_total_pending))
	DEBUGFS_READONLY_FILE (tx_ampdu_list_len, 20,"%d", ar->tx_ampdu_list_len)
	DEBUGFS_READONLY_FILE (tx_ampdu_upload, 20,"%d", atomic_read(&ar->tx_ampdu_upload))
	DEBUGFS_READONLY_FILE (tx_janitor_last_run, 64,"last run:%d ms ago", jiffies_to_msecs(jiffies-ar->tx_janitor_last_run))
	DEBUGFS_READONLY_FILE (tx_dropped, 20,"%d", ar->tx_dropped)
	DEBUGFS_READONLY_FILE (rx_dropped, 20,"%d", ar->rx_dropped)
	DEBUGFS_READONLY_FILE (sniffer_enabled, 20,"%d", ar->sniffer_enabled)
	DEBUGFS_READONLY_FILE (rx_software_decryption, 20,"%d", ar->rx_software_decryption)
	DEBUGFS_READONLY_FILE (ampdu_factor, 20,"%d", ar->current_factor)
	DEBUGFS_READONLY_FILE (ampdu_density, 20,"%d", ar->current_density)
	DEBUGFS_READONLY_FILE (beacon_int, 20,"%d TU", ar->global_beacon_int)
	DEBUGFS_READONLY_FILE (pretbtt, 20,"%d TU", ar->global_pretbtt)
void	carl9170_debugfs_register (struct ar9170 *ar)
void	carl9170_debugfs_unregister (struct ar9170 *ar)

Macro Definition Documentation

#define __DEBUGFS_DECLARE_FILE	(		name,
			_read,
			_write,
			_read_bufsize,
			_attr,
			_dstate
	)

Value:

static const struct carl9170_debugfs_fops carl_debugfs_##name ##_ops = {\
    .read_bufsize = _read_bufsize,                  \
    .read = _read,                          \
    .write = _write,                        \
    .attr = _attr,                          \
    .req_dev_state = _dstate,                   \
    .fops = {                           \
        .open   = simple_open,                  \
        .read   = carl9170_debugfs_read,            \
        .write  = carl9170_debugfs_write,           \
        .owner  = THIS_MODULE                   \
    },                              \
}

Definition at line 167 of file debug.c.

#define __DEBUGFS_DECLARE_RW_FILE	(		name,
			_read_bufsize,
			_dstate
	)

Value:

__DEBUGFS_DECLARE_FILE(name, carl9170_debugfs_##name ##_read,   \
                 carl9170_debugfs_##name ##_write,      \
                 _read_bufsize, S_IRUSR | S_IWUSR, _dstate)

Definition at line 200 of file debug.c.

#define ADD	(		buf,
			off,
			max,
			fmt,
			args...
	)		off += snprintf(&buf[off], max - off, fmt, ##args);

Definition at line 48 of file debug.c.

#define BM_STR_OFF

(

offset

)

Value:

((CARL9170_BAW_BITS - (offset) - 1) / 4 +       \
     (CARL9170_BAW_BITS - (offset) - 1) / 32 + 1)

#define DEBUGFS_ADD

(

name

)

Value:

debugfs_create_file(#name, carl_debugfs_##name ##_ops.attr, \
                ar->debug_dir, ar,              \
                &carl_debugfs_##name ## _ops.fops);

#define DEBUGFS_DECLARE_FILE	(		name,
			_read,
			_write,
			_read_bufsize,
			_attr
	)

Value:

__DEBUGFS_DECLARE_FILE(name, _read, _write, _read_bufsize,  \
                   _attr, CARL9170_STARTED)         \

Definition at line 183 of file debug.c.

#define DEBUGFS_DECLARE_RO_FILE	(		name,
			_read_bufsize
	)

Value:

DEBUGFS_DECLARE_FILE(name, carl9170_debugfs_##name ##_read, \
                 NULL, _read_bufsize, S_IRUSR)

Definition at line 187 of file debug.c.

#define DEBUGFS_DECLARE_RW_FILE	(		name,
			_read_bufsize
	)

Value:

DEBUGFS_DECLARE_FILE(name, carl9170_debugfs_##name ##_read, \
                 carl9170_debugfs_##name ##_write,      \
                 _read_bufsize, S_IRUSR | S_IWUSR)

Definition at line 195 of file debug.c.

#define DEBUGFS_DECLARE_WO_FILE

(

name

)

Value:

DEBUGFS_DECLARE_FILE(name, NULL, carl9170_debugfs_##name ##_write,\
                 0, S_IWUSR)

Definition at line 191 of file debug.c.

#define DEBUGFS_HW_REG_FILE	(		name,
			f
	)

Value:

static char *carl9170_debugfs_##name ## _read(struct ar9170 *ar,    \
    char *dum, size_t bufsize, ssize_t *ret)            \
{                                   \
    char *buf;                          \
    int i, max_len, err;                        \
                                    \
    max_len = ARRAY_SIZE(name##_regs) * 80;             \
	buf = vmalloc(max_len);                        \
    if (!buf)                           \
        return NULL;                        \
                                    \
    err = UPDATE_COUNTER(ar, name);                 \
    if (err) {                          \
        *ret = err;                     \
        return buf;                     \
    }                               \
									\
	for (i = 0; i < ARRAY_SIZE(name##_regs); i++) {            \
        ADD(buf, *ret, max_len, "%22s = %" f "\n",      \
            name##_regs[i].nreg,                \
            ar->debug.stats.name##_counter[i]);         \
    }                               \
                                    \
    return buf;                         \
}                                   \
DEBUGFS_DECLARE_RO_FILE(name, 0);

Definition at line 527 of file debug.c.

#define DEBUGFS_HW_TALLY_FILE	(		name,
			f
	)

Value:

static char *carl9170_debugfs_##name ## _read(struct ar9170 *ar,    \
     char *dum, size_t bufsize, ssize_t *ret)           \
{                                   \
    char *buf;                          \
    int i, max_len, err;                        \
                                    \
    max_len = ARRAY_SIZE(name##_regs) * 80;             \
	buf = vmalloc(max_len);                        \
    if (!buf)                           \
        return NULL;                        \
                                    \
    err = UPDATE_COUNTER(ar, name);                 \
    if (err) {                          \
        *ret = err;                     \
        return buf;                     \
    }                               \
									\
	TALLY_SUM_UP(ar, name);                        \
									\
	for (i = 0; i < ARRAY_SIZE(name##_regs); i++) {            \
        ADD(buf, *ret, max_len, "%22s = %" f "[+%" f "]\n", \
            name##_regs[i].nreg, ar->debug.stats.name ##_sum[i],\
            ar->debug.stats.name ##_counter[i]);        \
    }                               \
                                    \
    return buf;                         \
}                                   \
DEBUGFS_DECLARE_RO_FILE(name, 0);

Definition at line 497 of file debug.c.

#define DEBUGFS_QUEUE_DUMP	(		q,
			qi
	)

Value:

static char *carl9170_debugfs_##q ##_##qi ##_read(struct ar9170 *ar,    \
    char *buf, size_t bufsize, ssize_t *len)            \
{                                   \
    carl9170_debugfs_queue_dump(ar, buf, len, bufsize, &ar->q[qi]); \
    return buf;                         \
}                                   \
DEBUGFS_DECLARE_RO_FILE(q##_##qi, 8000);

Definition at line 380 of file debug.c.

#define DEBUGFS_READONLY_FILE	(		name,
			_read_bufsize,
			fmt,
			value...
	)

Value:

static char *carl9170_debugfs_ ##name ## _read(struct ar9170 *ar,   \
                         char *buf, size_t buf_size,\
                         ssize_t *len)      \
{                                   \
    ADD(buf, *len, buf_size, fmt "\n", ##value);            \
    return buf;                         \
}                                   \
DEBUGFS_DECLARE_RO_FILE(name, _read_bufsize)

Definition at line 205 of file debug.c.

#define TALLY_SUM_UP	(		ar,
			name
	)

Value:

do {                    \
    unsigned int __i;                       \
									\
	for (__i = 0; __i < ARRAY_SIZE(name##_regs); __i++) {      \
		ar->debug.stats.name##_sum[__i] +=            \
			ar->debug.stats.name##_counter[__i];     \
    }                               \
} while (0)

Definition at line 488 of file debug.c.

#define UPDATE_COUNTER	(		ar,
			name
	)

Value:

({              \
	u32 __tmp[ARRAY_SIZE(name##_regs)];                \
    unsigned int __i, __err = -ENODEV;              \
									\
	for (__i = 0; __i < ARRAY_SIZE(name##_regs); __i++) {      \
        __tmp[__i] = name##_regs[__i].reg;          \
		ar->debug.stats.name##_counter[__i] = 0;      \
    }                               \
									\
	if (IS_STARTED(ar))                        \
        __err = carl9170_read_mreg(ar, ARRAY_SIZE(name##_regs), \
            __tmp, ar->debug.stats.name##_counter);     \
    (__err); })

Definition at line 474 of file debug.c.

Function Documentation

__DEBUGFS_DECLARE_RW_FILE	(	bug	,
		400	,
		CARL9170_STOPPED
	)

void carl9170_debugfs_register

(

struct ar9170 *

ar

)

Definition at line 824 of file debug.c.

void carl9170_debugfs_unregister

(

struct ar9170 *

ar

)

Definition at line 894 of file debug.c.

DEBUGFS_DECLARE_RO_FILE	(	mem_usage	,
		512
	)

DEBUGFS_DECLARE_RO_FILE	(	qos_stat	,
		512
	)

DEBUGFS_DECLARE_RO_FILE	(	ampdu_state	,
		8000
	)

DEBUGFS_DECLARE_RO_FILE	(	sta_psm	,
		160
	)

DEBUGFS_DECLARE_RO_FILE	(	tx_stuck	,
		180
	)

DEBUGFS_DECLARE_RO_FILE	(	phy_noise	,
		180
	)

DEBUGFS_DECLARE_RO_FILE	(	vif_dump	,
		8000
	)

DEBUGFS_DECLARE_RW_FILE	(	hw_ioread32	,
		CARL9170_DEBUG_RING_SIZE *	40
	)

DEBUGFS_DECLARE_RW_FILE	(	erp	,
		80
	)

DEBUGFS_DECLARE_WO_FILE

(

hw_iowrite32

)

DEBUGFS_HW_REG_FILE	(	hw_wlan_queue	,
		".8x"
	)

DEBUGFS_HW_REG_FILE	(	hw_pta_queue	,
		".8x"
	)

DEBUGFS_HW_REG_FILE	(	hw_ampdu_info	,
		".8x"
	)

DEBUGFS_HW_TALLY_FILE	(	hw_tx_tally	,
		"u"
	)

DEBUGFS_HW_TALLY_FILE	(	hw_rx_tally	,
		"u"
	)

DEBUGFS_HW_TALLY_FILE	(	hw_phy_errors	,
		"u"
	)

DEBUGFS_QUEUE_DUMP	(	tx_status	,
		0
	)

DEBUGFS_QUEUE_DUMP	(	tx_status	,
		1
	)

DEBUGFS_QUEUE_DUMP	(	tx_status	,
		2
	)

DEBUGFS_QUEUE_DUMP	(	tx_status	,
		3
	)

DEBUGFS_QUEUE_DUMP	(	tx_pending	,
		0
	)

DEBUGFS_QUEUE_DUMP	(	tx_pending	,
		1
	)

DEBUGFS_QUEUE_DUMP	(	tx_pending	,
		2
	)

DEBUGFS_QUEUE_DUMP	(	tx_pending	,
		3
	)

DEBUGFS_READONLY_FILE	(	usb_tx_anch_urbs	,
		20	,
		"%d"	,
		atomic_read &->	tx_anch_urbs
	)

DEBUGFS_READONLY_FILE	(	usb_rx_anch_urbs	,
		20	,
		"%d"	,
		atomic_read &->	rx_anch_urbs
	)

DEBUGFS_READONLY_FILE	(	usb_rx_work_urbs	,
		20	,
		"%d"	,
		atomic_read &->	rx_work_urbs
	)

DEBUGFS_READONLY_FILE	(	usb_rx_pool_urbs	,
		20	,
		"%d"	,
		atomic_read &->	rx_pool_urbs
	)

DEBUGFS_READONLY_FILE	(	tx_total_queued	,
		20	,
		"%d"	,
		atomic_read &->	tx_total_queued
	)

DEBUGFS_READONLY_FILE	(	tx_ampdu_scheduler	,
		20	,
		"%d"	,
		atomic_read &->	tx_ampdu_scheduler
	)

DEBUGFS_READONLY_FILE	(	tx_total_pending	,
		20	,
		"%d"	,
		atomic_read &->	tx_total_pending
	)

DEBUGFS_READONLY_FILE	(	tx_ampdu_list_len	,
		20	,
		"%d"	,
		ar->	tx_ampdu_list_len
	)

DEBUGFS_READONLY_FILE	(	tx_ampdu_upload	,
		20	,
		"%d"	,
		atomic_read &->	tx_ampdu_upload
	)

DEBUGFS_READONLY_FILE	(	tx_janitor_last_run	,
		64	,
		"last run:%d ms ago"	,
		jiffies_to_msecs(jiffies-ar->tx_janitor_last_run)
	)

DEBUGFS_READONLY_FILE	(	tx_dropped	,
		20	,
		"%d"	,
		ar->	tx_dropped
	)

DEBUGFS_READONLY_FILE	(	rx_dropped	,
		20	,
		"%d"	,
		ar->	rx_dropped
	)

DEBUGFS_READONLY_FILE	(	sniffer_enabled	,
		20	,
		"%d"	,
		ar->	sniffer_enabled
	)

DEBUGFS_READONLY_FILE	(	rx_software_decryption	,
		20	,
		"%d"	,
		ar->	rx_software_decryption
	)

DEBUGFS_READONLY_FILE	(	ampdu_factor	,
		20	,
		"%d"	,
		ar->	current_factor
	)

DEBUGFS_READONLY_FILE	(	ampdu_density	,
		20	,
		"%d"	,
		ar->	current_density
	)

DEBUGFS_READONLY_FILE	(	beacon_int	,
		20	,
		"%d TU"	,
		ar->	global_beacon_int
	)

DEBUGFS_READONLY_FILE	(	pretbtt	,
		20	,
		"%d TU"	,
		ar->	global_pretbtt
	)