Merge branch 'master' of /home/trondmy/kernel/linux-2.6/

1 files changed, 58 insertions, 38 deletions

diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index 57ea9f6f465..5e9a90651d0 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -82,51 +82,52 @@ ieee80211softmac_assoc_timeout(void *d)
 	ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT, NULL);
 }
 
-/* Sends out a disassociation request to the desired AP */
-static void
-ieee80211softmac_disassoc(struct ieee80211softmac_device *mac, u16 reason)
+void
+ieee80211softmac_disassoc(struct ieee80211softmac_device *mac)
 {
 	unsigned long flags;
+
+	spin_lock_irqsave(&mac->lock, flags);
+	if (mac->associnfo.associating)
+		cancel_delayed_work(&mac->associnfo.timeout);
+
+	netif_carrier_off(mac->dev);
+
+	mac->associated = 0;
+	mac->associnfo.bssvalid = 0;
+	mac->associnfo.associating = 0;
+	ieee80211softmac_init_txrates(mac);
+	ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_DISASSOCIATED, NULL);
+	spin_unlock_irqrestore(&mac->lock, flags);
+}
+
+/* Sends out a disassociation request to the desired AP */
+void
+ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reason)
+{
 	struct ieee80211softmac_network *found;
 
 	if (mac->associnfo.bssvalid && mac->associated) {
 		found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
 		if (found)
 			ieee80211softmac_send_mgt_frame(mac, found, IEEE80211_STYPE_DISASSOC, reason);
-	} else if (mac->associnfo.associating) {
-		cancel_delayed_work(&mac->associnfo.timeout);
 	}
 
-	/* Change our state */
-	spin_lock_irqsave(&mac->lock, flags);
-	/* Do NOT clear bssvalid as that will break ieee80211softmac_assoc_work! */
-	mac->associated = 0;
-	mac->associnfo.associating = 0;
-	ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_DISASSOCIATED, NULL);
-	spin_unlock_irqrestore(&mac->lock, flags);
+	ieee80211softmac_disassoc(mac);
 }
 
 static inline int
 we_support_all_basic_rates(struct ieee80211softmac_device *mac, u8 *from, u8 from_len)
 {
-	int idx, search, found;
-	u8 rate, search_rate;
+	int idx;
+	u8 rate;
 
 	for (idx = 0; idx < (from_len); idx++) {
 		rate = (from)[idx];
 		if (!(rate & IEEE80211_BASIC_RATE_MASK))
 			continue;
-		found = 0;
 		rate &= ~IEEE80211_BASIC_RATE_MASK;
-		for (search = 0; search < mac->ratesinfo.count; search++) {
-			search_rate = mac->ratesinfo.rates[search];
-			search_rate &= ~IEEE80211_BASIC_RATE_MASK;
-			if (rate == search_rate) {
-				found = 1;
-				break;
-			}
-		}
-		if (!found)
+		if (!ieee80211softmac_ratesinfo_rate_supported(&mac->ratesinfo, rate))
 			return 0;
 	}
 	return 1;
@@ -163,12 +164,28 @@ network_matches_request(struct ieee80211softmac_device *mac, struct ieee80211_ne
 }
 
 static void
-ieee80211softmac_assoc_notify(struct net_device *dev, void *context)
+ieee80211softmac_assoc_notify_scan(struct net_device *dev, int event_type, void *context)
 {
 	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
 	ieee80211softmac_assoc_work((void*)mac);
 }
 
+static void
+ieee80211softmac_assoc_notify_auth(struct net_device *dev, int event_type, void *context)
+{
+	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
+
+	switch (event_type) {
+	case IEEE80211SOFTMAC_EVENT_AUTHENTICATED:
+		ieee80211softmac_assoc_work((void*)mac);
+		break;
+	case IEEE80211SOFTMAC_EVENT_AUTH_FAILED:
+	case IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT:
+		ieee80211softmac_disassoc(mac);
+		break;
+	}
+}
+
 /* This function is called to handle userspace requests (asynchronously) */
 void
 ieee80211softmac_assoc_work(void *d)
@@ -176,14 +193,18 @@ ieee80211softmac_assoc_work(void *d)
 	struct ieee80211softmac_device *mac = (struct ieee80211softmac_device *)d;
 	struct ieee80211softmac_network *found = NULL;
 	struct ieee80211_network *net = NULL, *best = NULL;
+	int bssvalid;
 	unsigned long flags;
-	
+
+	/* ieee80211_disassoc might clear this */
+	bssvalid = mac->associnfo.bssvalid;
+
 	/* meh */
 	if (mac->associated)
-		ieee80211softmac_disassoc(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
+		ieee80211softmac_send_disassoc_req(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
 
 	/* try to find the requested network in our list, if we found one already */
-	if (mac->associnfo.bssvalid || mac->associnfo.bssfixed)
+	if (bssvalid || mac->associnfo.bssfixed)
 		found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);	
 	
 	/* Search the ieee80211 networks for this network if we didn't find it by bssid,
@@ -244,7 +265,7 @@ ieee80211softmac_assoc_work(void *d)
 			 * Maybe we can hope to have more memory after scanning finishes ;)
 			 */
 			dprintk(KERN_INFO PFX "Associate: Scanning for networks first.\n");
-			ieee80211softmac_notify(mac->dev, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, ieee80211softmac_assoc_notify, NULL);
+			ieee80211softmac_notify(mac->dev, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, ieee80211softmac_assoc_notify_scan, NULL);
 			if (ieee80211softmac_start_scan(mac))
 				dprintk(KERN_INFO PFX "Associate: failed to initiate scan. Is device up?\n");
 			return;
@@ -279,7 +300,7 @@ ieee80211softmac_assoc_work(void *d)
 		 * otherwise adding the notification would be racy. */
 		if (!ieee80211softmac_auth_req(mac, found)) {
 			dprintk(KERN_INFO PFX "cannot associate without being authenticated, requested authentication\n");
-			ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify, NULL, GFP_KERNEL);
+			ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
 		} else {
 			printkl(KERN_WARNING PFX "Not authenticated, but requesting authentication failed. Giving up to associate\n");
 			ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, found);
@@ -297,6 +318,9 @@ ieee80211softmac_associated(struct ieee80211softmac_device *mac,
 	struct ieee80211softmac_network *net)
 {
 	mac->associnfo.associating = 0;
+	mac->associnfo.supported_rates = net->supported_rates;
+	ieee80211softmac_recalc_txrates(mac);
+
 	mac->associated = 1;
 	if (mac->set_bssid_filter)
 		mac->set_bssid_filter(mac->dev, net->bssid);
@@ -380,7 +404,6 @@ ieee80211softmac_handle_disassoc(struct net_device * dev,
 				 struct ieee80211_disassoc *disassoc)
 {
 	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	unsigned long flags;
 
 	if (unlikely(!mac->running))
 		return -ENODEV;
@@ -392,14 +415,11 @@ ieee80211softmac_handle_disassoc(struct net_device * dev,
 		return 0;
 
 	dprintk(KERN_INFO PFX "got disassoc frame\n");
-	netif_carrier_off(dev);
-	spin_lock_irqsave(&mac->lock, flags);
-	mac->associnfo.bssvalid = 0;
-	mac->associated = 0;
-	ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_DISASSOCIATED, NULL);
+	ieee80211softmac_disassoc(mac);
+
+	/* try to reassociate */
 	schedule_work(&mac->associnfo.work);
-	spin_unlock_irqrestore(&mac->lock, flags);
-	
+
 	return 0;
 }