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wlcore: add debugfs macro to help print fw statistics arrays

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Add a macro to make it easy to print arrays from the FW statistics
array in debugfs.  At the same time, increase the buffer size so
arrays fit more easily.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
This commit is contained in:
Luciano Coelho 2012-05-10 12:14:07 +03:00
parent 4987257c30
commit bcca1bbdd4
2 changed files with 27 additions and 1 deletions
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1
drivers/net/wireless/ti/wlcore/debugfs.c
View File

@ -39,7 +39,6 @@
#define WL1271_DEBUGFS_STATS_LIFETIME 1000
/* debugfs macros idea from mac80211 */
#define DEBUGFS_FORMAT_BUFFER_SIZE 100
int wl1271_format_buffer(char __user *userbuf, size_t count,
loff_t *ppos, char *fmt, ...)
{

27
drivers/net/wireless/ti/wlcore/debugfs.h
View File

@ -34,6 +34,8 @@ void wl1271_debugfs_exit(struct wl1271 *wl);
void wl1271_debugfs_reset(struct wl1271 *wl);
void wl1271_debugfs_update_stats(struct wl1271 *wl);
#define DEBUGFS_FORMAT_BUFFER_SIZE 256
#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
static ssize_t name## _read(struct file *file, char __user *userbuf, \
size_t count, loff_t *ppos) \
@ -86,6 +88,31 @@ static const struct file_operations sub## _ ##name## _ops = { \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \
static ssize_t sub## _ ##name## _read(struct file *file, \
char __user *userbuf, \
size_t count, loff_t *ppos) \
{ \
struct wl1271 *wl = file->private_data; \
struct struct_type *stats = wl->stats.fw_stats; \
char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \
int res, i; \
\
wl1271_debugfs_update_stats(wl); \
\
for (i = 0; i < len; i++) \
res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n", \
buf, i, stats->sub.name[i]); \
\
return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \
} \
\
static const struct file_operations sub## _ ##name## _ops = { \
.read = sub## _ ##name## _read, \
.open = simple_open, \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_FWSTATS_ADD(sub, name) \
DEBUGFS_ADD(sub## _ ##name, stats)