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wl1251: add tx queue status to debugfs

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Sometimes when debugging the state is good info.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Kalle Valo 2009-11-30 10:17:38 +02:00 committed by John W. Linville
parent 7dffb55b8a
commit b7339b1de0
2 changed files with 24 additions and 0 deletions
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1
drivers/net/wireless/wl12xx/wl1251.h
View File

@ -247,6 +247,7 @@ struct wl1251_debugfs {
struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data; struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
struct dentry *tx_queue_len; struct dentry *tx_queue_len;
struct dentry *tx_queue_status;
struct dentry *retry_count; struct dentry *retry_count;
struct dentry *excessive_retries; struct dentry *excessive_retries;

23
drivers/net/wireless/wl12xx/wl1251_debugfs.c
View File

@ -237,6 +237,27 @@ static const struct file_operations tx_queue_len_ops = {
.open = wl1251_open_file_generic, .open = wl1251_open_file_generic,
}; };
static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
struct wl1251 *wl = file->private_data;
char buf[3], status;
int len;
if (wl->tx_queue_stopped)
status = 's';
else
status = 'r';
len = scnprintf(buf, sizeof(buf), "%c\n", status);
return simple_read_from_buffer(userbuf, count, ppos, buf, len);
}
static const struct file_operations tx_queue_status_ops = {
.read = tx_queue_status_read,
.open = wl1251_open_file_generic,
};
static void wl1251_debugfs_delete_files(struct wl1251 *wl) static void wl1251_debugfs_delete_files(struct wl1251 *wl)
{ {
DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow); DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
@ -331,6 +352,7 @@ static void wl1251_debugfs_delete_files(struct wl1251 *wl)
DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data); DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
DEBUGFS_DEL(tx_queue_len); DEBUGFS_DEL(tx_queue_len);
DEBUGFS_DEL(tx_queue_status);
DEBUGFS_DEL(retry_count); DEBUGFS_DEL(retry_count);
DEBUGFS_DEL(excessive_retries); DEBUGFS_DEL(excessive_retries);
} }
@ -431,6 +453,7 @@ static int wl1251_debugfs_add_files(struct wl1251 *wl)
DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir); DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir);
DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);