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

8 files changed, 293 insertions, 176 deletions

diff --git a/net/ieee80211/softmac/Kconfig b/net/ieee80211/softmac/Kconfig
index f2a27cc6ecb..2811651cb13 100644
--- a/net/ieee80211/softmac/Kconfig
+++ b/net/ieee80211/softmac/Kconfig
@@ -2,6 +2,7 @@ config IEEE80211_SOFTMAC
 	tristate "Software MAC add-on to the IEEE 802.11 networking stack"
 	depends on IEEE80211 && EXPERIMENTAL
 	select WIRELESS_EXT
+	select IEEE80211_CRYPT_WEP
 	---help---
 	This option enables the hardware independent software MAC addon
 	for the IEEE 802.11 networking stack.
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;
 }
 
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 06e33262466..90b8484e509 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -107,6 +107,7 @@ ieee80211softmac_auth_queue(void *data)
 	printkl(KERN_WARNING PFX "Authentication timed out with "MAC_FMT"\n", MAC_ARG(net->bssid));
 	/* Remove this item from the queue */
 	spin_lock_irqsave(&mac->lock, flags);
+	net->authenticating = 0;
 	ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT, net);
 	cancel_delayed_work(&auth->work); /* just to make sure... */
 	list_del(&auth->list);
@@ -212,13 +213,13 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
 			aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE; 
 			spin_unlock_irqrestore(&mac->lock, flags);
 
-			/* Switch to correct channel for this network */
-			mac->set_channel(mac->dev, net->channel);
-			
-			/* Send our response (How to encrypt?) */
+			/* Send our response */
 			ieee80211softmac_send_mgt_frame(mac, aq->net, IEEE80211_STYPE_AUTH, aq->state);
-			break;
+			return 0;
 		case IEEE80211SOFTMAC_AUTH_SHARED_PASS:
+			kfree(net->challenge);
+			net->challenge = NULL;
+			net->challenge_len = 0;
 			/* Check the status code of the response */
 			switch(auth->status) {
 			case WLAN_STATUS_SUCCESS:
@@ -229,6 +230,7 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
 				spin_unlock_irqrestore(&mac->lock, flags);
 				printkl(KERN_NOTICE PFX "Shared Key Authentication completed with "MAC_FMT"\n", 
 					MAC_ARG(net->bssid));
+				ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
 				break;
 			default:
 				printkl(KERN_NOTICE PFX "Shared Key Authentication with "MAC_FMT" failed, error code: %i\n", 
@@ -279,6 +281,9 @@ ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
 	struct list_head *list_ptr;
 	unsigned long flags;
 
+	/* deauthentication implies disassociation */
+	ieee80211softmac_disassoc(mac);
+
 	/* Lock and reset status flags */
 	spin_lock_irqsave(&mac->lock, flags);
 	net->authenticating = 0;
diff --git a/net/ieee80211/softmac/ieee80211softmac_event.c b/net/ieee80211/softmac/ieee80211softmac_event.c
index 8cc8f3f0f8e..f34fa2ef666 100644
--- a/net/ieee80211/softmac/ieee80211softmac_event.c
+++ b/net/ieee80211/softmac/ieee80211softmac_event.c
@@ -38,7 +38,8 @@
  * The event context is private and can only be used from
  * within this module. Its meaning varies with the event
  * type:
- *  SCAN_FINISHED:	no special meaning
+ *  SCAN_FINISHED,
+ *  DISASSOCIATED:	NULL
  *  ASSOCIATED,
  *  ASSOCIATE_FAILED,
  *  ASSOCIATE_TIMEOUT,
@@ -59,15 +60,15 @@
  */
 
 static char *event_descriptions[IEEE80211SOFTMAC_EVENT_LAST+1] = {
-	"scan finished",
-	"associated",
+	NULL, /* scan finished */
+	NULL, /* associated */
 	"associating failed",
 	"associating timed out",
 	"authenticated",
 	"authenticating failed",
 	"authenticating timed out",
 	"associating failed because no suitable network was found",
-	"disassociated",
+	NULL, /* disassociated */
 };
 
 
@@ -77,7 +78,7 @@ ieee80211softmac_notify_callback(void *d)
 	struct ieee80211softmac_event event = *(struct ieee80211softmac_event*) d;
 	kfree(d);
 	
-	event.fun(event.mac->dev, event.context);
+	event.fun(event.mac->dev, event.event_type, event.context);
 }
 
 int
@@ -136,30 +137,24 @@ ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int eve
 		int we_event;
 		char *msg = NULL;
 
+		memset(&wrqu, '\0', sizeof (union iwreq_data));
+
 		switch(event) {
 		case IEEE80211SOFTMAC_EVENT_ASSOCIATED:
 			network = (struct ieee80211softmac_network *)event_ctx;
-			wrqu.data.length = 0;
-			wrqu.data.flags = 0;
 			memcpy(wrqu.ap_addr.sa_data, &network->bssid[0], ETH_ALEN);
-			wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-			we_event = SIOCGIWAP;
-			break;
+			/* fall through */
 		case IEEE80211SOFTMAC_EVENT_DISASSOCIATED:
-			wrqu.data.length = 0;
-			wrqu.data.flags = 0;
-			memset(&wrqu, '\0', sizeof (union iwreq_data));
 			wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 			we_event = SIOCGIWAP;
 			break;
 		case IEEE80211SOFTMAC_EVENT_SCAN_FINISHED:
-			wrqu.data.length = 0;
-			wrqu.data.flags = 0;
-			memset(&wrqu, '\0', sizeof (union iwreq_data));
 			we_event = SIOCGIWSCAN;
 			break;
 		default:
 			msg = event_descriptions[event];
+			if (!msg)
+				msg = "SOFTMAC EVENT BUG";
 			wrqu.data.length = strlen(msg);
 			we_event = IWEVCUSTOM;
 			break;
@@ -172,6 +167,9 @@ ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int eve
 			if ((eventptr->event_type == event || eventptr->event_type == -1)
 				&& (eventptr->event_context == NULL || eventptr->event_context == event_ctx)) {
 				list_del(&eventptr->list);
+				/* User may have subscribed to ANY event, so
+				 * we tell them which event triggered it. */
+				eventptr->event_type = event;
 				schedule_work(&eventptr->work);
 			}
 		}
diff --git a/net/ieee80211/softmac/ieee80211softmac_io.c b/net/ieee80211/softmac/ieee80211softmac_io.c
index cc6cd56c85b..09541611e48 100644
--- a/net/ieee80211/softmac/ieee80211softmac_io.c
+++ b/net/ieee80211/softmac/ieee80211softmac_io.c
@@ -149,6 +149,56 @@ ieee80211softmac_hdr_3addr(struct ieee80211softmac_device *mac,
 	 * shouldn't the sequence number be in ieee80211? */
 }
 
+static u16
+ieee80211softmac_capabilities(struct ieee80211softmac_device *mac,
+	struct ieee80211softmac_network *net)
+{
+	u16 capability = 0;
+
+	/* ESS and IBSS bits are set according to the current mode */
+	switch (mac->ieee->iw_mode) {
+	case IW_MODE_INFRA:
+		capability = cpu_to_le16(WLAN_CAPABILITY_ESS);
+		break;
+	case IW_MODE_ADHOC:
+		capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
+		break;
+	case IW_MODE_AUTO:
+		capability = net->capabilities &
+			(WLAN_CAPABILITY_ESS|WLAN_CAPABILITY_IBSS);
+		break;
+	default:
+		/* bleh. we don't ever go to these modes */
+		printk(KERN_ERR PFX "invalid iw_mode!\n");
+		break;
+	}
+
+	/* CF Pollable / CF Poll Request */
+	/* Needs to be implemented, for now, the 0's == not supported */
+
+	/* Privacy Bit */
+	capability |= mac->ieee->sec.level ?
+		cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
+
+	/* Short Preamble */
+	/* Always supported: we probably won't ever be powering devices which
+	 * dont support this... */
+	capability |= WLAN_CAPABILITY_SHORT_PREAMBLE;
+
+	/* PBCC */
+	/* Not widely used */
+
+	/* Channel Agility */
+	/* Not widely used */
+
+	/* Short Slot */
+	/* Will be implemented later */
+
+	/* DSSS-OFDM */
+	/* Not widely used */
+
+	return capability;
+}
 
 /*****************************************************************************
  * Create Management packets
@@ -179,27 +229,6 @@ ieee80211softmac_assoc_req(struct ieee80211_assoc_request **pkt,
 		return 0;
 	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_ASSOC_REQ, net->bssid, net->bssid);
 
-	/* Fill in capability Info */
-	switch (mac->ieee->iw_mode) {
-	case IW_MODE_INFRA:
-		(*pkt)->capability = cpu_to_le16(WLAN_CAPABILITY_ESS);
-		break;
-	case IW_MODE_ADHOC:
-		(*pkt)->capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
-		break;
-	case IW_MODE_AUTO:
-		(*pkt)->capability = net->capabilities & (WLAN_CAPABILITY_ESS|WLAN_CAPABILITY_IBSS);
-		break;
-	default:
-		/* bleh. we don't ever go to these modes */
-		printk(KERN_ERR PFX "invalid iw_mode!\n");
-		break;
-	}
-	/* Need to add this
-	(*pkt)->capability |= mac->ieee->short_slot ? 
-			cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
-	 */
-	(*pkt)->capability |= mac->ieee->sec.level ? cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
 	/* Fill in Listen Interval (?) */
 	(*pkt)->listen_interval = cpu_to_le16(10);
 	
@@ -239,17 +268,9 @@ ieee80211softmac_reassoc_req(struct ieee80211_reassoc_request **pkt,
 		return 0;
 	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_REASSOC_REQ, net->bssid, net->bssid);
 
-	/* Fill in capability Info */
-	(*pkt)->capability = mac->ieee->iw_mode == IW_MODE_MASTER ? 
-				cpu_to_le16(WLAN_CAPABILITY_ESS) :
-				cpu_to_le16(WLAN_CAPABILITY_IBSS);
-	/*
-	(*pkt)->capability |= mac->ieee->short_slot ? 
-			cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
-	 */
-	(*pkt)->capability |= mac->ieee->sec.level ?
-			cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
-		
+	/* Fill in the capabilities */
+	(*pkt)->capability = ieee80211softmac_capabilities(mac, net);
+
 	/* Fill in Listen Interval (?) */
 	(*pkt)->listen_interval = cpu_to_le16(10);
 	/* Fill in the current AP MAC */
@@ -268,26 +289,27 @@ ieee80211softmac_reassoc_req(struct ieee80211_reassoc_request **pkt,
 static u32
 ieee80211softmac_auth(struct ieee80211_auth **pkt, 
 	struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
-	u16 transaction, u16 status)
+	u16 transaction, u16 status, int *encrypt_mpdu)
 {
 	u8 *data;
+	int auth_mode = mac->ieee->sec.auth_mode;
+	int is_shared_response = (auth_mode == WLAN_AUTH_SHARED_KEY
+		&& transaction == IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE);
+
 	/* Allocate Packet */
 	(*pkt) = (struct ieee80211_auth *)ieee80211softmac_alloc_mgt(
 		2 +		/* Auth Algorithm */
 		2 +		/* Auth Transaction Seq */
 		2 +		/* Status Code */
 		 /* Challenge Text IE */
-		mac->ieee->open_wep ? 0 : 
-		1 + 1 + WLAN_AUTH_CHALLENGE_LEN
-	);	
+		is_shared_response ? 0 : 1 + 1 + net->challenge_len
+	);
 	if (unlikely((*pkt) == NULL))
 		return 0;
 	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_AUTH, net->bssid, net->bssid);
 		
 	/* Algorithm */
-	(*pkt)->algorithm = mac->ieee->open_wep ? 
-		cpu_to_le16(WLAN_AUTH_OPEN) :
-		cpu_to_le16(WLAN_AUTH_SHARED_KEY);
+	(*pkt)->algorithm = cpu_to_le16(auth_mode);
 	/* Transaction */
 	(*pkt)->transaction = cpu_to_le16(transaction);
 	/* Status */
@@ -295,18 +317,20 @@ ieee80211softmac_auth(struct ieee80211_auth **pkt,
 	
 	data = (u8 *)(*pkt)->info_element;
 	/* Challenge Text */
-	if(!mac->ieee->open_wep){
+	if (is_shared_response) {
 		*data = MFIE_TYPE_CHALLENGE;
 		data++;
 		
 		/* Copy the challenge in */
-		// *data = challenge length
-		// data += sizeof(u16);
-		// memcpy(data, challenge, challenge length);
-		// data += challenge length;
-		
-		/* Add the full size to the packet length */
-	}
+		*data = net->challenge_len;
+		data++;
+		memcpy(data, net->challenge, net->challenge_len);
+		data += net->challenge_len;
+
+		/* Make sure this frame gets encrypted with the shared key */
+		*encrypt_mpdu = 1;
+	} else
+		*encrypt_mpdu = 0;
 
 	/* Return the packet size */
 	return (data - (u8 *)(*pkt));
@@ -396,6 +420,7 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
 {
 	void *pkt = NULL;
 	u32 pkt_size = 0;
+	int encrypt_mpdu = 0;
 
 	switch(type) {
 	case IEEE80211_STYPE_ASSOC_REQ:
@@ -405,7 +430,7 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
 		pkt_size = ieee80211softmac_reassoc_req((struct ieee80211_reassoc_request **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg);
 		break;
 	case IEEE80211_STYPE_AUTH:
-		pkt_size = ieee80211softmac_auth((struct ieee80211_auth **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, (u16)(arg & 0xFFFF), (u16) (arg >> 16));
+		pkt_size = ieee80211softmac_auth((struct ieee80211_auth **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, (u16)(arg & 0xFFFF), (u16) (arg >> 16), &encrypt_mpdu);
 		break;
 	case IEEE80211_STYPE_DISASSOC:
 	case IEEE80211_STYPE_DEAUTH:
@@ -434,52 +459,8 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
 	 * or get rid of it alltogether?
 	 * Does this work for you now?
 	 */
-	ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt, pkt_size);
-
-	kfree(pkt);
-	return 0;
-}
-
-
-/* Create an rts/cts frame */
-static u32
-ieee80211softmac_rts_cts(struct ieee80211_hdr_2addr **pkt,
-	struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net, 
-	u32 type)
-{
-	/* Allocate Packet */
-	(*pkt) = kmalloc(IEEE80211_2ADDR_LEN, GFP_ATOMIC);	
-	memset(*pkt, 0, IEEE80211_2ADDR_LEN);
-	if((*pkt) == NULL)
-		return 0;
-	ieee80211softmac_hdr_2addr(mac, (*pkt), type, net->bssid);
-	return IEEE80211_2ADDR_LEN;
-}
-
-
-/* Sends a control packet */
-static int
-ieee80211softmac_send_ctl_frame(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net, u32 type, u32 arg)
-{
-	void *pkt = NULL;
-	u32 pkt_size = 0;
-	
-	switch(type) {
-	case IEEE80211_STYPE_RTS:
-	case IEEE80211_STYPE_CTS:
-		pkt_size = ieee80211softmac_rts_cts((struct ieee80211_hdr_2addr **)(&pkt), mac, net, type);
-		break;
-	default:
-		printkl(KERN_DEBUG PFX "Unsupported Control Frame type: %i\n", type);
-		return -EINVAL;
-	}
-
-	if(pkt_size == 0)
-		return -ENOMEM;
-	
-	/* Send the packet to the ieee80211 layer for tx */
-	ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *) pkt, pkt_size);
+	ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt,
+		IEEE80211_3ADDR_LEN, pkt_size, encrypt_mpdu);
 
 	kfree(pkt);
 	return 0;
diff --git a/net/ieee80211/softmac/ieee80211softmac_module.c b/net/ieee80211/softmac/ieee80211softmac_module.c
index 6252be2c0db..4b2e57d1241 100644
--- a/net/ieee80211/softmac/ieee80211softmac_module.c
+++ b/net/ieee80211/softmac/ieee80211softmac_module.c
@@ -26,6 +26,7 @@
 
 #include "ieee80211softmac_priv.h"
 #include <linux/sort.h>
+#include <linux/etherdevice.h>
 
 struct net_device *alloc_ieee80211softmac(int sizeof_priv)
 {
@@ -61,14 +62,6 @@ struct net_device *alloc_ieee80211softmac(int sizeof_priv)
 	softmac->wait_for_scan = ieee80211softmac_wait_for_scan_implementation;
 	softmac->stop_scan = ieee80211softmac_stop_scan_implementation;
 
-	//TODO: The mcast rate has to be assigned dynamically somewhere (in scanning, association. Not sure...)
-	//      It has to be set to the highest rate all stations in the current network can handle.
-	softmac->txrates.mcast_rate = IEEE80211_CCK_RATE_1MB;
-	softmac->txrates.mcast_fallback = IEEE80211_CCK_RATE_1MB;
-	/* This is reassigned in ieee80211softmac_start to sane values. */
-	softmac->txrates.default_rate = IEEE80211_CCK_RATE_1MB;
-	softmac->txrates.default_fallback = IEEE80211_CCK_RATE_1MB;
-
 	/* to start with, we can't send anything ... */
 	netif_carrier_off(dev);
 	
@@ -170,15 +163,82 @@ static void ieee80211softmac_start_check_rates(struct ieee80211softmac_device *m
 	}
 }
 
-void ieee80211softmac_start(struct net_device *dev)
+int ieee80211softmac_ratesinfo_rate_supported(struct ieee80211softmac_ratesinfo *ri, u8 rate)
+{
+	int search;
+	u8 search_rate;
+
+	for (search = 0; search < ri->count; search++) {
+		search_rate = ri->rates[search];
+		search_rate &= ~IEEE80211_BASIC_RATE_MASK;
+		if (rate == search_rate)
+			return 1;
+	}
+
+	return 0;
+}
+
+/* Finds the highest rate which is:
+ *  1. Present in ri (optionally a basic rate)
+ *  2. Supported by the device
+ *  3. Less than or equal to the user-defined rate
+ */
+static u8 highest_supported_rate(struct ieee80211softmac_device *mac,
+	struct ieee80211softmac_ratesinfo *ri, int basic_only)
+{
+	u8 user_rate = mac->txrates.user_rate;
+	int i;
+
+	if (ri->count == 0) {
+		dprintk(KERN_ERR PFX "empty ratesinfo?\n");
+		return IEEE80211_CCK_RATE_1MB;
+	}
+
+	for (i = ri->count - 1; i >= 0; i--) {
+		u8 rate = ri->rates[i];
+		if (basic_only && !(rate & IEEE80211_BASIC_RATE_MASK))
+			continue;
+		rate &= ~IEEE80211_BASIC_RATE_MASK;
+		if (rate > user_rate)
+			continue;
+		if (ieee80211softmac_ratesinfo_rate_supported(&mac->ratesinfo, rate))
+			return rate;
+	}
+
+	/* If we haven't found a suitable rate by now, just trust the user */
+	return user_rate;
+}
+
+void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac)
+{
+	struct ieee80211softmac_txrates *txrates = &mac->txrates;
+	struct ieee80211softmac_txrates oldrates;
+	u32 change = 0;
+
+	if (mac->txrates_change)
+		oldrates = mac->txrates;
+
+	change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
+	txrates->default_rate = highest_supported_rate(mac, &mac->associnfo.supported_rates, 0);
+
+	change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+	txrates->default_fallback = lower_rate(mac, txrates->default_rate);
+
+	change |= IEEE80211SOFTMAC_TXRATECHG_MCAST;
+	txrates->mcast_rate = highest_supported_rate(mac, &mac->associnfo.supported_rates, 1);
+
+	if (mac->txrates_change)
+		mac->txrates_change(mac->dev, change, &oldrates);
+
+}
+
+void ieee80211softmac_init_txrates(struct ieee80211softmac_device *mac)
 {
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
 	struct ieee80211_device *ieee = mac->ieee;
 	u32 change = 0;
+	struct ieee80211softmac_txrates *txrates = &mac->txrates;
 	struct ieee80211softmac_txrates oldrates;
 
-	ieee80211softmac_start_check_rates(mac);
-
 	/* TODO: We need some kind of state machine to lower the default rates
 	 *       if we loose too many packets.
 	 */
@@ -193,22 +253,37 @@ void ieee80211softmac_start(struct net_device *dev)
 	   more reliable. Note similar logic in
 	   ieee80211softmac_wx_set_rate() */	 
 	if (ieee->modulation & IEEE80211_CCK_MODULATION) {
-		mac->txrates.default_rate = IEEE80211_CCK_RATE_11MB;
-		change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
-		mac->txrates.default_fallback = IEEE80211_CCK_RATE_5MB;
-		change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+		txrates->user_rate = IEEE80211_CCK_RATE_11MB;
 	} else if (ieee->modulation & IEEE80211_OFDM_MODULATION) {
-		mac->txrates.default_rate = IEEE80211_OFDM_RATE_54MB;
-		change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
-		mac->txrates.default_fallback = IEEE80211_OFDM_RATE_24MB;
-		change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+		txrates->user_rate = IEEE80211_OFDM_RATE_54MB;
 	} else
 		assert(0);
+
+	txrates->default_rate = IEEE80211_CCK_RATE_1MB;
+	change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
+
+	txrates->default_fallback = IEEE80211_CCK_RATE_1MB;
+	change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+
+	txrates->mcast_rate = IEEE80211_CCK_RATE_1MB;
+	change |= IEEE80211SOFTMAC_TXRATECHG_MCAST;
+
+	txrates->mgt_mcast_rate = IEEE80211_CCK_RATE_1MB;
+	change |= IEEE80211SOFTMAC_TXRATECHG_MGT_MCAST;
+
 	if (mac->txrates_change)
-		mac->txrates_change(dev, change, &oldrates);
+		mac->txrates_change(mac->dev, change, &oldrates);
 
 	mac->running = 1;
 }
+
+void ieee80211softmac_start(struct net_device *dev)
+{
+	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
+
+	ieee80211softmac_start_check_rates(mac);
+	ieee80211softmac_init_txrates(mac);
+}
 EXPORT_SYMBOL_GPL(ieee80211softmac_start);
 
 void ieee80211softmac_stop(struct net_device *dev)
diff --git a/net/ieee80211/softmac/ieee80211softmac_priv.h b/net/ieee80211/softmac/ieee80211softmac_priv.h
index 65d9816c8ec..fa1f8e3acfc 100644
--- a/net/ieee80211/softmac/ieee80211softmac_priv.h
+++ b/net/ieee80211/softmac/ieee80211softmac_priv.h
@@ -116,7 +116,10 @@ ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device *mac,
 	struct ieee80211softmac_essid *essid);
 
 /* Rates related */
+int ieee80211softmac_ratesinfo_rate_supported(struct ieee80211softmac_ratesinfo *ri, u8 rate);
 u8 ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device *mac, u8 rate, int delta);
+void ieee80211softmac_init_txrates(struct ieee80211softmac_device *mac);
+void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac);
 static inline u8 lower_rate(struct ieee80211softmac_device *mac, u8 rate) {
 	return ieee80211softmac_lower_rate_delta(mac, rate, 1);
 }
@@ -150,6 +153,8 @@ int ieee80211softmac_handle_disassoc(struct net_device * dev,
 int ieee80211softmac_handle_reassoc_req(struct net_device * dev,
 				        struct ieee80211_reassoc_request * reassoc);
 void ieee80211softmac_assoc_timeout(void *d);
+void ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reason);
+void ieee80211softmac_disassoc(struct ieee80211softmac_device *mac);
 
 /* some helper functions */
 static inline int ieee80211softmac_scan_handlers_check_self(struct ieee80211softmac_device *sm)
diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c
index 27edb2b5581..22aa6199185 100644
--- a/net/ieee80211/softmac/ieee80211softmac_wx.c
+++ b/net/ieee80211/softmac/ieee80211softmac_wx.c
@@ -211,8 +211,8 @@ 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:	
@@ -431,3 +431,35 @@ ieee80211softmac_wx_get_genie(struct net_device *dev,
 }
 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;
+
+	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");
+		return -EINVAL;
+	}
+
+	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");
+			return -EINVAL;
+		}
+		return ieee80211softmac_deauth_req(mac, net, reason);
+	case IW_MLME_DISASSOC:
+		ieee80211softmac_send_disassoc_req(mac, reason);
+		return 0;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_mlme);