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Commit b7339b1d authored by Kalle Valo's avatar Kalle Valo Committed by John W. Linville
Browse files

wl1251: add tx queue status to debugfs 



Sometimes when debugging the state is good info.

Signed-off-by: default avatarKalle Valo <kalle.valo@nokia.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7dffb55b

drivers/net/wireless/wl12xx/wl1251.h

+1 −0
Original line number Diff line number Diff line
@@ -247,6 +247,7 @@ struct wl1251_debugfs { 
	struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;



	struct dentry *tx_queue_len;

	struct dentry *tx_queue_status;



	struct dentry *retry_count;

	struct dentry *excessive_retries;

drivers/net/wireless/wl12xx/wl1251_debugfs.c

+23 −0
Original line number Diff line number Diff line
@@ -237,6 +237,27 @@ static const struct file_operations tx_queue_len_ops = { 
	.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)

{

	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_DEL(tx_queue_len);

	DEBUGFS_DEL(tx_queue_status);

	DEBUGFS_DEL(retry_count);

	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_ADD(tx_queue_len, wl->debugfs.rootdir);

	DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir);

	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);

	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);