libertas: rename/document scan_channel
Rename last_scanned_channel to scan_channel, just so that a
grep for struct bss_descriptor's last_scanned element doesn't
show up so many positives.
Also documented the variable and moved it to other scan related
entries in lbs_private.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index fd67b77..b600f243 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -315,7 +315,7 @@
lbs_scan_networks(priv, scan_cfg, 1);
wait_event_interruptible(priv->cmd_pending,
- priv->surpriseremoved || !priv->last_scanned_channel);
+ priv->surpriseremoved || !priv->scan_channel);
if (priv->surpriseremoved)
goto out_scan_cfg;
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 5a69f2b..fd1fcc7 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -143,9 +143,12 @@
wait_queue_head_t waitq;
struct workqueue_struct *work_thread;
+ /** Scanning */
struct delayed_work scan_work;
struct delayed_work assoc_work;
struct work_struct sync_channel;
+ /* remember which channel was scanned last, != 0 if currently scanning */
+ int scan_channel;
/** Hardware access */
int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
@@ -321,7 +324,6 @@
struct cmd_ds_802_11_get_log logmsg;
u32 monitormode;
- int last_scanned_channel;
u8 fw_ready;
};
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 37b9684..7d4f3af 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -612,13 +612,13 @@
}
/* Prepare to continue an interrupted scan */
- lbs_deb_scan("chan_count %d, last_scanned_channel %d\n",
- chan_count, priv->last_scanned_channel);
+ lbs_deb_scan("chan_count %d, scan_channel %d\n",
+ chan_count, priv->scan_channel);
curr_chans = chan_list;
/* advance channel list by already-scanned-channels */
- if (priv->last_scanned_channel > 0) {
- curr_chans += priv->last_scanned_channel;
- chan_count -= priv->last_scanned_channel;
+ if (priv->scan_channel > 0) {
+ curr_chans += priv->scan_channel;
+ chan_count -= priv->scan_channel;
}
/* Send scan command(s)
@@ -644,10 +644,10 @@
!full_scan &&
!priv->surpriseremoved) {
/* -1 marks just that we're currently scanning */
- if (priv->last_scanned_channel < 0)
- priv->last_scanned_channel = to_scan;
+ if (priv->scan_channel < 0)
+ priv->scan_channel = to_scan;
else
- priv->last_scanned_channel += to_scan;
+ priv->scan_channel += to_scan;
cancel_delayed_work(&priv->scan_work);
queue_delayed_work(priv->work_thread, &priv->scan_work,
msecs_to_jiffies(300));
@@ -671,7 +671,7 @@
#endif
out2:
- priv->last_scanned_channel = 0;
+ priv->scan_channel = 0;
out:
if (priv->connect_status == LBS_CONNECTED) {
@@ -1393,7 +1393,7 @@
queue_delayed_work(priv->work_thread, &priv->scan_work,
msecs_to_jiffies(50));
/* set marker that currently a scan is taking place */
- priv->last_scanned_channel = -1;
+ priv->scan_channel = -1;
if (priv->surpriseremoved)
return -EIO;
@@ -1427,7 +1427,7 @@
lbs_deb_enter(LBS_DEB_SCAN);
/* iwlist should wait until the current scan is finished */
- if (priv->last_scanned_channel)
+ if (priv->scan_channel)
return -EAGAIN;
/* Update RSSI if current BSS is a locally created ad-hoc BSS */