diff options
Diffstat (limited to 'drivers/net/wireless/ipw2200.c')
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 56 |
1 files changed, 46 insertions, 10 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 61497c467467..da91b3b9e5b3 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; @@ -4341,6 +4344,37 @@ 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 @@ -4702,14 +4736,8 @@ 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; } @@ -9472,6 +9500,10 @@ 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, @@ -10647,6 +10679,7 @@ 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); @@ -10684,7 +10717,8 @@ 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) @@ -10714,6 +10748,7 @@ 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); @@ -11746,6 +11781,7 @@ 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); |