X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fmac80211_hwsim.c;h=ec8b082917904f761f890819b463ef5e34def0ec;hb=bd9dc49cd565aeb20d4f6eb2f6af4c16acce2ef5;hp=0dbda8dfbd9941bcbcaaa36e3d58e3065283b55f;hpb=ef15aac6073b27fd4f70007784d2d52ed394bf43;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 0dbda8d..ec8b082 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -32,6 +32,10 @@ static int radios = 2;
 module_param(radios, int, 0444);
 MODULE_PARM_DESC(radios, "Number of simulated radios");
 
+static bool fake_hw_scan;
+module_param(fake_hw_scan, bool, 0444);
+MODULE_PARM_DESC(fake_hw_scan, "Install fake (no-op) hw-scan handler");
+
 /**
  * enum hwsim_regtest - the type of regulatory tests we offer
  *
@@ -286,7 +290,8 @@ struct mac80211_hwsim_data {
 	struct ieee80211_channel *channel;
 	unsigned long beacon_int; /* in jiffies unit */
 	unsigned int rx_filter;
-	bool started, idle;
+	bool started, idle, scanning;
+	struct mutex mutex;
 	struct timer_list beacon_timer;
 	enum ps_mode {
 		PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL
@@ -767,23 +772,41 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
 	}
 }
 
+static int mac80211_hwsim_sta_add(struct ieee80211_hw *hw,
+				  struct ieee80211_vif *vif,
+				  struct ieee80211_sta *sta)
+{
+	hwsim_check_magic(vif);
+	hwsim_set_sta_magic(sta);
+
+	return 0;
+}
+
+static int mac80211_hwsim_sta_remove(struct ieee80211_hw *hw,
+				     struct ieee80211_vif *vif,
+				     struct ieee80211_sta *sta)
+{
+	hwsim_check_magic(vif);
+	hwsim_clear_sta_magic(sta);
+
+	return 0;
+}
+
 static void mac80211_hwsim_sta_notify(struct ieee80211_hw *hw,
 				      struct ieee80211_vif *vif,
 				      enum sta_notify_cmd cmd,
 				      struct ieee80211_sta *sta)
 {
 	hwsim_check_magic(vif);
+
 	switch (cmd) {
-	case STA_NOTIFY_ADD:
-		hwsim_set_sta_magic(sta);
-		break;
-	case STA_NOTIFY_REMOVE:
-		hwsim_clear_sta_magic(sta);
-		break;
 	case STA_NOTIFY_SLEEP:
 	case STA_NOTIFY_AWAKE:
 		/* TODO: make good use of these flags */
 		break;
+	default:
+		WARN(1, "Invalid sta notify: %d\n", cmd);
+		break;
 	}
 }
 
@@ -908,8 +931,73 @@ static void mac80211_hwsim_flush(struct ieee80211_hw *hw, bool drop)
 	 */
 }
 
+struct hw_scan_done {
+	struct delayed_work w;
+	struct ieee80211_hw *hw;
+};
 
-static const struct ieee80211_ops mac80211_hwsim_ops =
+static void hw_scan_done(struct work_struct *work)
+{
+	struct hw_scan_done *hsd =
+		container_of(work, struct hw_scan_done, w.work);
+
+	ieee80211_scan_completed(hsd->hw, false);
+	kfree(hsd);
+}
+
+static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
+				  struct cfg80211_scan_request *req)
+{
+	struct hw_scan_done *hsd = kzalloc(sizeof(*hsd), GFP_KERNEL);
+	int i;
+
+	if (!hsd)
+		return -ENOMEM;
+
+	hsd->hw = hw;
+	INIT_DELAYED_WORK(&hsd->w, hw_scan_done);
+
+	printk(KERN_DEBUG "hwsim hw_scan request\n");
+	for (i = 0; i < req->n_channels; i++)
+		printk(KERN_DEBUG "hwsim hw_scan freq %d\n",
+			req->channels[i]->center_freq);
+
+	ieee80211_queue_delayed_work(hw, &hsd->w, 2 * HZ);
+
+	return 0;
+}
+
+static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw)
+{
+	struct mac80211_hwsim_data *hwsim = hw->priv;
+
+	mutex_lock(&hwsim->mutex);
+
+	if (hwsim->scanning) {
+		printk(KERN_DEBUG "two hwsim sw_scans detected!\n");
+		goto out;
+	}
+
+	printk(KERN_DEBUG "hwsim sw_scan request, prepping stuff\n");
+	hwsim->scanning = true;
+
+out:
+	mutex_unlock(&hwsim->mutex);
+}
+
+static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw)
+{
+	struct mac80211_hwsim_data *hwsim = hw->priv;
+
+	mutex_lock(&hwsim->mutex);
+
+	printk(KERN_DEBUG "hwsim sw_scan_complete\n");
+	hwsim->scanning = true;
+
+	mutex_unlock(&hwsim->mutex);
+}
+
+static struct ieee80211_ops mac80211_hwsim_ops =
 {
 	.tx = mac80211_hwsim_tx,
 	.start = mac80211_hwsim_start,
@@ -919,11 +1007,15 @@ static const struct ieee80211_ops mac80211_hwsim_ops =
 	.config = mac80211_hwsim_config,
 	.configure_filter = mac80211_hwsim_configure_filter,
 	.bss_info_changed = mac80211_hwsim_bss_info_changed,
+	.sta_add = mac80211_hwsim_sta_add,
+	.sta_remove = mac80211_hwsim_sta_remove,
 	.sta_notify = mac80211_hwsim_sta_notify,
 	.set_tim = mac80211_hwsim_set_tim,
 	.conf_tx = mac80211_hwsim_conf_tx,
 	CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd)
 	.ampdu_action = mac80211_hwsim_ampdu_action,
+	.sw_scan_start = mac80211_hwsim_sw_scan,
+	.sw_scan_complete = mac80211_hwsim_sw_scan_complete,
 	.flush = mac80211_hwsim_flush,
 };
 
@@ -1119,6 +1211,12 @@ static int __init init_mac80211_hwsim(void)
 	if (radios < 1 || radios > 100)
 		return -EINVAL;
 
+	if (fake_hw_scan) {
+		mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
+		mac80211_hwsim_ops.sw_scan_start = NULL;
+		mac80211_hwsim_ops.sw_scan_complete = NULL;
+	}
+
 	spin_lock_init(&hwsim_radio_lock);
 	INIT_LIST_HEAD(&hwsim_radios);
 
@@ -1222,6 +1320,7 @@ static int __init init_mac80211_hwsim(void)
 		}
 		/* By default all radios are belonging to the first group */
 		data->group = 1;
+		mutex_init(&data->mutex);
 
 		/* Work to be done prior to ieee80211_register_hw() */
 		switch (regtest) {