X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fieee80211%2Fsoftmac%2Fieee80211softmac_wx.c;h=fb58e03b3fbda3497245f3b484c01db14a343e4c;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=27edb2b5581ab535ffd7f79c5b257dcaa5d36324;hpb=16cf0ec7408f389279d413869e94c1a351392f97;p=linux-2.6.git

diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c
index 27edb2b55..fb58e03b3 100644
--- a/net/ieee80211/softmac/ieee80211softmac_wx.c
+++ b/net/ieee80211/softmac/ieee80211softmac_wx.c
@@ -70,15 +70,46 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
 			      char *extra)
 {
 	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
+	struct ieee80211softmac_network *n;
+	struct ieee80211softmac_auth_queue_item *authptr;
 	int length = 0;
-	unsigned long flags;
-	
-	spin_lock_irqsave(&sm->lock, flags);
-	
+
+	mutex_lock(&sm->associnfo.mutex);
+
+	/* Check if we're already associating to this or another network
+	 * If it's another network, cancel and start over with our new network
+	 * If it's our network, ignore the change, we're already doing it!
+	 */
+	if((sm->associnfo.associating || sm->associnfo.associated) &&
+	   (data->essid.flags && data->essid.length)) {
+		/* Get the associating network */
+		n = ieee80211softmac_get_network_by_bssid(sm, sm->associnfo.bssid);
+		if(n && n->essid.len == data->essid.length &&
+		   !memcmp(n->essid.data, extra, n->essid.len)) {
+			dprintk(KERN_INFO PFX "Already associating or associated to "MAC_FMT"\n",
+				MAC_ARG(sm->associnfo.bssid));
+			goto out;
+		} else {
+			dprintk(KERN_INFO PFX "Canceling existing associate request!\n");
+			/* Cancel assoc work */
+			cancel_delayed_work(&sm->associnfo.work);
+			/* We don't have to do this, but it's a little cleaner */
+			list_for_each_entry(authptr, &sm->auth_queue, list)
+				cancel_delayed_work(&authptr->work);
+			sm->associnfo.bssvalid = 0;
+			sm->associnfo.bssfixed = 0;
+			flush_scheduled_work();
+			sm->associnfo.associating = 0;
+			sm->associnfo.associated = 0;
+		}
+	}
+
+
 	sm->associnfo.static_essid = 0;
+	sm->associnfo.assoc_wait = 0;
 
-	if (data->essid.flags && data->essid.length && extra /*required?*/) {
-		length = min(data->essid.length - 1, IW_ESSID_MAX_SIZE);
+	if (data->essid.flags && data->essid.length) {
+		length = min((int)data->essid.length, IW_ESSID_MAX_SIZE);
 		if (length) {
 			memcpy(sm->associnfo.req_essid.data, extra, length);
 			sm->associnfo.static_essid = 1;
@@ -89,10 +120,12 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
 	 * If applicable, we have already copied the data in */
 	sm->associnfo.req_essid.len = length;
 
+	sm->associnfo.associating = 1;
 	/* queue lower level code to do work (if necessary) */
-	schedule_work(&sm->associnfo.work);
+	schedule_delayed_work(&sm->associnfo.work, 0);
+out:
+	mutex_unlock(&sm->associnfo.mutex);
 
-	spin_unlock_irqrestore(&sm->lock, flags);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_essid);
@@ -104,10 +137,8 @@ ieee80211softmac_wx_get_essid(struct net_device *net_dev,
 			      char *extra)
 {
 	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
-	unsigned long flags;
 
-	/* avoid getting inconsistent information */
-	spin_lock_irqsave(&sm->lock, flags);
+	mutex_lock(&sm->associnfo.mutex);
 	/* If all fails, return ANY (empty) */
 	data->essid.length = 0;
 	data->essid.flags = 0;  /* active */
@@ -120,12 +151,13 @@ ieee80211softmac_wx_get_essid(struct net_device *net_dev,
 	}
 	
 	/* If we're associating/associated, return that */
-	if (sm->associated || sm->associnfo.associating) {
+	if (sm->associnfo.associated || sm->associnfo.associating) {
 		data->essid.length = sm->associnfo.associate_essid.len;
 		data->essid.flags = 1;  /* active */
 		memcpy(extra, sm->associnfo.associate_essid.data, sm->associnfo.associate_essid.len);
 	}
-	spin_unlock_irqrestore(&sm->lock, flags);
+	mutex_unlock(&sm->associnfo.mutex);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_essid);
@@ -211,8 +243,8 @@ ieee80211softmac_wx_set_rate(struct net_device *net_dev,
 	if (is_ofdm && !(ieee->modulation & IEEE80211_OFDM_MODULATION))
 		goto out_unlock;
 
-	mac->txrates.default_rate = rate;
-	mac->txrates.default_fallback = lower_rate(mac, rate);
+	mac->txrates.user_rate = rate;
+	ieee80211softmac_recalc_txrates(mac);
 	err = 0;
 
 out_unlock:	
@@ -233,6 +265,12 @@ ieee80211softmac_wx_get_rate(struct net_device *net_dev,
 	int err = -EINVAL;
 
 	spin_lock_irqsave(&mac->lock, flags);
+
+	if (unlikely(!mac->running)) {
+		err = -ENODEV;
+		goto out_unlock;
+	}
+
 	switch (mac->txrates.default_rate) {
 	case IEEE80211_CCK_RATE_1MB:
 		data->bitrate.value = 1000000;
@@ -290,15 +328,15 @@ ieee80211softmac_wx_get_wap(struct net_device *net_dev,
 {
 	struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
 	int err = 0;
-	unsigned long flags;
 
-	spin_lock_irqsave(&mac->lock, flags);
+	mutex_lock(&mac->associnfo.mutex);
 	if (mac->associnfo.bssvalid)
 		memcpy(data->ap_addr.sa_data, mac->associnfo.bssid, ETH_ALEN);
 	else
 		memset(data->ap_addr.sa_data, 0xff, ETH_ALEN);
 	data->ap_addr.sa_family = ARPHRD_ETHER;
-	spin_unlock_irqrestore(&mac->lock, flags);
+	mutex_unlock(&mac->associnfo.mutex);
+
 	return err;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_wap);
@@ -310,28 +348,27 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev,
 			    char *extra)
 {
 	struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
-	unsigned long flags;
 
 	/* sanity check */
 	if (data->ap_addr.sa_family != ARPHRD_ETHER) {
 		return -EINVAL;
 	}
 
-	spin_lock_irqsave(&mac->lock, flags);
+	mutex_lock(&mac->associnfo.mutex);
 	if (is_broadcast_ether_addr(data->ap_addr.sa_data)) {
 		/* the bssid we have is not to be fixed any longer,
 		 * and we should reassociate to the best AP. */
 		mac->associnfo.bssfixed = 0;
 		/* force reassociation */
 		mac->associnfo.bssvalid = 0;
-		if (mac->associated)
-			schedule_work(&mac->associnfo.work);
+		if (mac->associnfo.associated)
+			schedule_delayed_work(&mac->associnfo.work, 0);
 	} else if (is_zero_ether_addr(data->ap_addr.sa_data)) {
 		/* the bssid we have is no longer fixed */
 		mac->associnfo.bssfixed = 0;
         } else {
 		if (!memcmp(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN)) {
-			if (mac->associnfo.associating || mac->associated) {
+			if (mac->associnfo.associating || mac->associnfo.associated) {
 			/* bssid unchanged and associated or associating - just return */
 				goto out;
 			}
@@ -342,11 +379,12 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev,
 		/* tell the other code that this bssid should be used no matter what */
 		mac->associnfo.bssfixed = 1;
 		/* queue associate if new bssid or (old one again and not associated) */
-		schedule_work(&mac->associnfo.work);
+		schedule_delayed_work(&mac->associnfo.work, 0);
         }
 
  out:
-	spin_unlock_irqrestore(&mac->lock, flags);
+	mutex_unlock(&mac->associnfo.mutex);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_wap);
@@ -362,7 +400,8 @@ ieee80211softmac_wx_set_genie(struct net_device *dev,
 	int err = 0;
 	char *buf;
 	int i;
-	
+
+	mutex_lock(&mac->associnfo.mutex);
 	spin_lock_irqsave(&mac->lock, flags);
 	/* bleh. shouldn't be locked for that kmalloc... */
 
@@ -388,7 +427,7 @@ ieee80211softmac_wx_set_genie(struct net_device *dev,
 		memcpy(mac->wpa.IE, extra, wrqu->data.length);
 		dprintk(KERN_INFO PFX "generic IE set to ");
 		for (i=0;i<wrqu->data.length;i++)
-			dprintk("%.2x", mac->wpa.IE[i]);
+			dprintk("%.2x", (u8)mac->wpa.IE[i]);
 		dprintk("\n");
 		mac->wpa.IElen = wrqu->data.length;
 	} else {
@@ -400,6 +439,8 @@ ieee80211softmac_wx_set_genie(struct net_device *dev,
 
  out:	
 	spin_unlock_irqrestore(&mac->lock, flags);
+	mutex_unlock(&mac->associnfo.mutex);
+
 	return err;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_genie);
@@ -414,7 +455,8 @@ ieee80211softmac_wx_get_genie(struct net_device *dev,
 	unsigned long flags;
 	int err = 0;
 	int space = wrqu->data.length;
-	
+
+	mutex_lock(&mac->associnfo.mutex);
 	spin_lock_irqsave(&mac->lock, flags);
 	
 	wrqu->data.length = 0;
@@ -427,7 +469,53 @@ ieee80211softmac_wx_get_genie(struct net_device *dev,
 			err = -E2BIG;
 	}
 	spin_unlock_irqrestore(&mac->lock, flags);
+	mutex_unlock(&mac->associnfo.mutex);
+
 	return err;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_genie);
 
+int
+ieee80211softmac_wx_set_mlme(struct net_device *dev,
+			     struct iw_request_info *info,
+			     union iwreq_data *wrqu,
+			     char *extra)
+{
+	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
+	struct iw_mlme *mlme = (struct iw_mlme *)extra;
+	u16 reason = cpu_to_le16(mlme->reason_code);
+	struct ieee80211softmac_network *net;
+	int err = -EINVAL;
+
+	mutex_lock(&mac->associnfo.mutex);
+
+	if (memcmp(mac->associnfo.bssid, mlme->addr.sa_data, ETH_ALEN)) {
+		printk(KERN_DEBUG PFX "wx_set_mlme: requested operation on net we don't use\n");
+		goto out;
+	}
+
+	switch (mlme->cmd) {
+	case IW_MLME_DEAUTH:
+		net = ieee80211softmac_get_network_by_bssid_locked(mac, mlme->addr.sa_data);
+		if (!net) {
+			printk(KERN_DEBUG PFX "wx_set_mlme: we should know the net here...\n");
+			goto out;
+		}
+		err =  ieee80211softmac_deauth_req(mac, net, reason);
+		goto out;
+	case IW_MLME_DISASSOC:
+		ieee80211softmac_send_disassoc_req(mac, reason);
+		mac->associnfo.associated = 0;
+		mac->associnfo.associating = 0;
+		err = 0;
+		goto out;
+	default:
+		err = -EOPNOTSUPP;
+	}
+
+out:
+	mutex_unlock(&mac->associnfo.mutex);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_mlme);