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: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>

diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c
index 57c1eae24d6355366045548393b73e0481e47d97..fc44262e4cf089f1a3824adf030438df29a87e52 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/debugfs.c
+++ b/drivers/net/wireless/ti/wlcore/debugfs.c
@@ -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, ...)
 {

diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h
index e1a5bf1972bbedcf8e92fc82f2a05b05b8aec511..f7381dd69009a150e1901a876494d225e0267f5e 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/debugfs.h
+++ b/drivers/net/wireless/ti/wlcore/debugfs.h
@@ -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)