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Commit bcca1bbd authored by Luciano Coelho's avatar Luciano Coelho
Browse files

wlcore: add debugfs macro to help print fw statistics arrays 



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: default avatarLuciano Coelho <coelho@ti.com>
Signed-off-by: default avatarArik Nemtsov <arik@wizery.com>
parent 4987257c

drivers/net/wireless/ti/wlcore/debugfs.c

+0 −1
Original line number Original line Diff line number Diff line
@@ -39,7 +39,6 @@ 
#define WL1271_DEBUGFS_STATS_LIFETIME 1000

#define WL1271_DEBUGFS_STATS_LIFETIME 1000





/* debugfs macros idea from mac80211 */

/* debugfs macros idea from mac80211 */

#define DEBUGFS_FORMAT_BUFFER_SIZE 100

int wl1271_format_buffer(char __user *userbuf, size_t count,

int wl1271_format_buffer(char __user *userbuf, size_t count,

			 loff_t *ppos, char *fmt, ...)

			 loff_t *ppos, char *fmt, ...)

{

{

drivers/net/wireless/ti/wlcore/debugfs.h

+27 −0
Original line number Original line Diff line number Diff line
@@ -34,6 +34,8 @@ void wl1271_debugfs_exit(struct wl1271 *wl); 
void wl1271_debugfs_reset(struct wl1271 *wl);

void wl1271_debugfs_reset(struct wl1271 *wl);

void wl1271_debugfs_update_stats(struct wl1271 *wl);

void wl1271_debugfs_update_stats(struct wl1271 *wl);





#define DEBUGFS_FORMAT_BUFFER_SIZE 256



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

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

static ssize_t name## _read(struct file *file, char __user *userbuf,	\

static ssize_t name## _read(struct file *file, char __user *userbuf,	\

			    size_t count, loff_t *ppos)			\

			    size_t count, loff_t *ppos)			\
@@ -86,6 +88,31 @@ static const struct file_operations sub## _ ##name## _ops = { \ 
	.llseek	= generic_file_llseek,					\

	.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)					\

#define DEBUGFS_FWSTATS_ADD(sub, name)					\

	DEBUGFS_ADD(sub## _ ##name, stats)

	DEBUGFS_ADD(sub## _ ##name, stats)