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-rw-r--r--drivers/net/wireless/ipw2200.c56
-rw-r--r--drivers/net/wireless/ipw2200.h3
2 files changed, 49 insertions, 10 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 2119a79..feb8fcb 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -1740,8 +1740,10 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio)
if (disable_radio) {
priv->status |= STATUS_RF_KILL_SW;
- if (priv->workqueue)
+ if (priv->workqueue) {
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->scan_event);
+ }
queue_work(priv->workqueue, &priv->down);
} else {
priv->status &= ~STATUS_RF_KILL_SW;
@@ -1992,6 +1994,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv)
wake_up_interruptible(&priv->wait_command_queue);
priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->scan_event);
schedule_work(&priv->link_down);
queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ);
handled |= IPW_INTA_BIT_RF_KILL_DONE;
@@ -4343,6 +4346,37 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv,
IPW_DEBUG_NOTIF("Missed beacon: %d\n", missed_count);
}
+static void ipw_scan_event(struct work_struct *work)
+{
+ union iwreq_data wrqu;
+
+ struct ipw_priv *priv =
+ container_of(work, struct ipw_priv, scan_event.work);
+
+ wrqu.data.length = 0;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
+}
+
+static void handle_scan_event(struct ipw_priv *priv)
+{
+ /* Only userspace-requested scan completion events go out immediately */
+ if (!priv->user_requested_scan) {
+ if (!delayed_work_pending(&priv->scan_event))
+ queue_delayed_work(priv->workqueue, &priv->scan_event,
+ round_jiffies(msecs_to_jiffies(4000)));
+ } else {
+ union iwreq_data wrqu;
+
+ priv->user_requested_scan = 0;
+ cancel_delayed_work(&priv->scan_event);
+
+ wrqu.data.length = 0;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
+ }
+}
+
/**
* Handle host notification packet.
* Called from interrupt routine
@@ -4705,14 +4739,8 @@ static void ipw_rx_notification(struct ipw_priv *priv,
* on how the scan was initiated. User space can just
* sync on periodic scan to get fresh data...
* Jean II */
- if (x->status == SCAN_COMPLETED_STATUS_COMPLETE) {
- union iwreq_data wrqu;
-
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- wireless_send_event(priv->net_dev, SIOCGIWSCAN,
- &wrqu, NULL);
- }
+ if (x->status == SCAN_COMPLETED_STATUS_COMPLETE)
+ handle_scan_event(priv);
break;
}
@@ -9490,6 +9518,10 @@ static int ipw_wx_set_scan(struct net_device *dev,
struct ipw_priv *priv = ieee80211_priv(dev);
struct iw_scan_req *req = (struct iw_scan_req *)extra;
+ mutex_lock(&priv->mutex);
+ priv->user_requested_scan = 1;
+ mutex_unlock(&priv->mutex);
+
if (wrqu->data.length == sizeof(struct iw_scan_req)) {
if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
ipw_request_direct_scan(priv, req->essid,
@@ -10668,6 +10700,7 @@ static void ipw_link_up(struct ipw_priv *priv)
}
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->scan_event);
ipw_reset_stats(priv);
/* Ensure the rate is updated immediately */
priv->last_rate = ipw_get_current_rate(priv);
@@ -10705,7 +10738,8 @@ static void ipw_link_down(struct ipw_priv *priv)
if (!(priv->status & STATUS_EXIT_PENDING)) {
/* Queue up another scan... */
queue_delayed_work(priv->workqueue, &priv->request_scan, 0);
- }
+ } else
+ cancel_delayed_work(&priv->scan_event);
}
static void ipw_bg_link_down(struct work_struct *work)
@@ -10735,6 +10769,7 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv)
INIT_WORK(&priv->up, ipw_bg_up);
INIT_WORK(&priv->down, ipw_bg_down);
INIT_DELAYED_WORK(&priv->request_scan, ipw_request_scan);
+ INIT_DELAYED_WORK(&priv->scan_event, ipw_scan_event);
INIT_WORK(&priv->request_passive_scan, ipw_request_passive_scan);
INIT_DELAYED_WORK(&priv->gather_stats, ipw_bg_gather_stats);
INIT_WORK(&priv->abort_scan, ipw_bg_abort_scan);
@@ -11766,6 +11801,7 @@ static void ipw_pci_remove(struct pci_dev *pdev)
cancel_delayed_work(&priv->adhoc_check);
cancel_delayed_work(&priv->gather_stats);
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->scan_event);
cancel_delayed_work(&priv->rf_kill);
cancel_delayed_work(&priv->scan_check);
destroy_workqueue(priv->workqueue);
diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h
index 9c973b9..bec8e37 100644
--- a/drivers/net/wireless/ipw2200.h
+++ b/drivers/net/wireless/ipw2200.h
@@ -1287,6 +1287,8 @@ struct ipw_priv {
struct iw_public_data wireless_data;
+ int user_requested_scan;
+
struct workqueue_struct *workqueue;
struct delayed_work adhoc_check;
@@ -1295,6 +1297,7 @@ struct ipw_priv {
struct work_struct system_config;
struct work_struct rx_replenish;
struct delayed_work request_scan;
+ struct delayed_work scan_event;
struct work_struct request_passive_scan;
struct work_struct adapter_restart;
struct delayed_work rf_kill;