the scheduled ieee80211 softmac removal

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

Documentation/feature-removal-schedule.txt

@@ -230,14 +230,6 @@ Who:	Jean Delvare <khali@linux-fr.org>
 
 ---------------------------
 
-What:	ieee80211 softmac wireless networking component
-When:	2.6.26 (or after removal of bcm43xx and port of zd1211rw to mac80211)
-Files:	net/ieee80211/softmac
-Why:	No in-kernel drivers will depend on it any longer.
-Who:	John W. Linville <linville@tuxdriver.com>
-
----------------------------
-
 What:	rc80211-simple rate control algorithm for mac80211
 When:	2.6.26
 Files:	net/mac80211/rc80211-simple.c

MAINTAINERS

@@ -3548,12 +3548,6 @@ M:	mhoffman@lightlink.com
 L:	lm-sensors@lm-sensors.org
 S:	Maintained
 
-SOFTMAC LAYER (IEEE 802.11)
-P:	Daniel Drake
-M:	dsd@gentoo.org
-L:	linux-wireless@vger.kernel.org
-S:	Obsolete
-
 SOFTWARE RAID (Multiple Disks) SUPPORT
 P:	Ingo Molnar
 M:	mingo@redhat.com

include/net/ieee80211softmac.h

@@ -1,373 +0,0 @@
-/*
- * ieee80211softmac.h - public interface to the softmac
- *
- * Copyright (c) 2005 Johannes Berg <johannes@sipsolutions.net>
- *                    Joseph Jezak <josejx@gentoo.org>
- *                    Larry Finger <Larry.Finger@lwfinger.net>
- *                    Danny van Dyk <kugelfang@gentoo.org>
- *                    Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#ifndef IEEE80211SOFTMAC_H_
-#define IEEE80211SOFTMAC_H_
-
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/list.h>
-#include <net/ieee80211.h>
-
-/* Once the API is considered more or less stable,
- * this should be incremented on API incompatible changes.
- */
-#define IEEE80211SOFTMAC_API	0
-
-#define IEEE80211SOFTMAC_MAX_RATES_LEN		8
-#define IEEE80211SOFTMAC_MAX_EX_RATES_LEN	255
-
-struct ieee80211softmac_ratesinfo {
-	u8 count;
-	u8 rates[IEEE80211SOFTMAC_MAX_RATES_LEN + IEEE80211SOFTMAC_MAX_EX_RATES_LEN];
-};
-
-/* internal structures */
-struct ieee80211softmac_network;
-struct ieee80211softmac_scaninfo;
-
-struct ieee80211softmac_essid {
-	u8 len;
-	char data[IW_ESSID_MAX_SIZE+1];
-};
-
-struct ieee80211softmac_wpa {
-	char *IE;
-	int IElen;
-	int IEbuflen;
-};
-
-/*
- * Information about association
- */
-struct ieee80211softmac_assoc_info {
-
-	struct mutex mutex;
-
-	/*
-	 * This is the requested ESSID. It is written
-	 * only by the WX handlers.
-	 *
-	 */
-	struct ieee80211softmac_essid req_essid;
-	/*
-	 * the ESSID of the network we're currently
-	 * associated (or trying) to. This is
-	 * updated to the network's actual ESSID
-	 * even if the requested ESSID was 'ANY'
-	 */
-	struct ieee80211softmac_essid associate_essid;
-	
-	/* BSSID we're trying to associate to */
-	char bssid[ETH_ALEN];
-	
-	/* some flags.
-	 * static_essid is valid if the essid is constant,
-	 * this is for use by the wx handlers only.
-	 *
-	 * associating is true, if the network has been
-	 * auth'ed on and we are in the process of associating.
-	 *
-	 * bssvalid is true if we found a matching network
-	 * and saved it's BSSID into the bssid above.
-	 *
-	 * bssfixed is used for SIOCSIWAP.
-	 */
-	u8 static_essid;
-	u8 short_preamble_available;
-	u8 associating;
-	u8 associated;
-	u8 assoc_wait;
-	u8 bssvalid;
-	u8 bssfixed;
-
-	/* Scan retries remaining */
-	int scan_retry;
-
-	struct delayed_work work;
-	struct delayed_work timeout;
-};
-
-struct ieee80211softmac_bss_info {
-	/* Rates supported by the network */
-	struct ieee80211softmac_ratesinfo supported_rates;
-
-	/* This indicates whether frames can currently be transmitted with
-	 * short preamble (only use this variable during TX at CCK rates) */
-	u8 short_preamble:1;
-
-	/* This indicates whether protection (e.g. self-CTS) should be used
-	 * when transmitting with OFDM modulation */
-	u8 use_protection:1;
-};
-
-enum {
-	IEEE80211SOFTMAC_AUTH_OPEN_REQUEST	= 1,
-	IEEE80211SOFTMAC_AUTH_OPEN_RESPONSE	= 2,
-};
-
-enum {
-	IEEE80211SOFTMAC_AUTH_SHARED_REQUEST	= 1,
-	IEEE80211SOFTMAC_AUTH_SHARED_CHALLENGE = 2,
-	IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE	= 3,
-	IEEE80211SOFTMAC_AUTH_SHARED_PASS	= 4,
-};
-
-/* We should make these tunable
- * AUTH_TIMEOUT seems really long, but that's what it is in BSD */
-#define IEEE80211SOFTMAC_AUTH_TIMEOUT		(12 * HZ)
-#define IEEE80211SOFTMAC_AUTH_RETRY_LIMIT	5
-#define IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT	3
-
-struct ieee80211softmac_txrates {
-	/* The Bit-Rate to be used for multicast frames. */
-	u8 mcast_rate;
-
-	/* The Bit-Rate to be used for multicast management frames. */
-	u8 mgt_mcast_rate;
-
-	/* The Bit-Rate to be used for any other (normal) data packet. */
-	u8 default_rate;
-	/* The Bit-Rate to be used for default fallback
-	 * (If the device supports fallback and hardware-retry)
-	 */
-	u8 default_fallback;
-
-	/* This is the rate that the user asked for */
-	u8 user_rate;
-};
-
-/* Bits for txrates_change callback. */
-#define IEEE80211SOFTMAC_TXRATECHG_DEFAULT		(1 << 0) /* default_rate */
-#define IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK	(1 << 1) /* default_fallback */
-#define IEEE80211SOFTMAC_TXRATECHG_MCAST		(1 << 2) /* mcast_rate */
-#define IEEE80211SOFTMAC_TXRATECHG_MGT_MCAST		(1 << 3) /* mgt_mcast_rate */
-
-#define IEEE80211SOFTMAC_BSSINFOCHG_RATES		(1 << 0) /* supported_rates */
-#define IEEE80211SOFTMAC_BSSINFOCHG_SHORT_PREAMBLE	(1 << 1) /* short_preamble */
-#define IEEE80211SOFTMAC_BSSINFOCHG_PROTECTION		(1 << 2) /* use_protection */
-
-struct ieee80211softmac_device {
-	/* 802.11 structure for data stuff */
-	struct ieee80211_device *ieee;
-	struct net_device *dev;
-
-	/* only valid if associated, then holds the Association ID */
-	u16 association_id;
-	
-	/* the following methods are callbacks that the driver
-	 * using this framework has to assign
-	 */
-
-	/* always assign these */
-	void (*set_bssid_filter)(struct net_device *dev, const u8 *bssid);
-	void (*set_channel)(struct net_device *dev, u8 channel);
-
-	/* assign if you need it, informational only */
-	void (*link_change)(struct net_device *dev);
-
-	/* If the hardware can do scanning, assign _all_ three of these callbacks.
-	 * When the scan finishes, call ieee80211softmac_scan_finished().
-	 */
-	
-	/* when called, start_scan is guaranteed to not be called again
-	 * until you call ieee80211softmac_scan_finished.
-	 * Return 0 if scanning could start, error otherwise.
-	 * SOFTMAC AUTHORS: don't call this, use ieee80211softmac_start_scan */
-	int (*start_scan)(struct net_device *dev);
-	/* this should block until after ieee80211softmac_scan_finished was called
-	 * SOFTMAC AUTHORS: don't call this, use ieee80211softmac_wait_for_scan */
-	void (*wait_for_scan)(struct net_device *dev);
-	/* stop_scan aborts a scan, but is asynchronous.
-	 * if you want to wait for it too, use wait_for_scan
-	 * SOFTMAC AUTHORS: don't call this, use ieee80211softmac_stop_scan */
-	void (*stop_scan)(struct net_device *dev);
-
-	/* we'll need something about beacons here too, for AP or ad-hoc modes */
-
-	/* Transmission rates to be used by the driver.
-	 * The SoftMAC figures out the best possible rates.
-	 * The driver just needs to read them.
-	 */
-	struct ieee80211softmac_txrates txrates;
-
-	/* If the driver needs to do stuff on TX rate changes, assign this
-	 * callback. See IEEE80211SOFTMAC_TXRATECHG for change flags. */
-	void (*txrates_change)(struct net_device *dev,
-			       u32 changes);
-
-	/* If the driver needs to do stuff when BSS properties change, assign
-	 * this callback. see IEEE80211SOFTMAC_BSSINFOCHG for change flags. */
-	void (*bssinfo_change)(struct net_device *dev,
-			       u32 changes);
-
-	/* private stuff follows */
-	/* this lock protects this structure */
-	spinlock_t lock;
-
-	struct workqueue_struct *wq;
-
-	u8 running; /* SoftMAC started? */
-	u8 scanning;
-
-	struct ieee80211softmac_scaninfo *scaninfo;
-	struct ieee80211softmac_assoc_info associnfo;
-	struct ieee80211softmac_bss_info bssinfo;
-
-	struct list_head auth_queue;
-	struct list_head events;
-
- 	struct ieee80211softmac_ratesinfo ratesinfo;
-	int txrate_badness;
-	
-	/* WPA stuff */
-	struct ieee80211softmac_wpa wpa;
-
-	/* we need to keep a list of network structs we copied */
-	struct list_head network_list;
-
-	/* This must be the last item so that it points to the data
-	 * allocated beyond this structure by alloc_ieee80211 */
-	u8 priv[0];
-};
-
-extern void ieee80211softmac_scan_finished(struct ieee80211softmac_device *sm);
-
-static inline void * ieee80211softmac_priv(struct net_device *dev)
-{
-	return ((struct ieee80211softmac_device *)ieee80211_priv(dev))->priv;
-}
-
-extern struct net_device * alloc_ieee80211softmac(int sizeof_priv);
-extern void free_ieee80211softmac(struct net_device *dev);
-
-/* Call this function if you detect a lost TX fragment.
- * (If the device indicates failure of ACK RX, for example.)
- * It is wise to call this function if you are able to detect lost packets,
- * because it contributes to the TX Rates auto adjustment.
- */
-extern void ieee80211softmac_fragment_lost(struct net_device *dev,
-					   u16 wireless_sequence_number);
-/* Call this function before _start to tell the softmac what rates
- * the hw supports. The rates parameter is copied, so you can
- * free it right after calling this function. 
- * Note that the rates need to be sorted. */
-extern void ieee80211softmac_set_rates(struct net_device *dev, u8 count, u8 *rates);
-
-/* 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
- */
-extern u8 ieee80211softmac_highest_supported_rate(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_ratesinfo *ri, int basic_only);
-
-/* Helper function which advises you the rate at which a frame should be
- * transmitted at. */
-static inline u8 ieee80211softmac_suggest_txrate(struct ieee80211softmac_device *mac,
-						 int is_multicast,
-						 int is_mgt)
-{
-	struct ieee80211softmac_txrates *txrates = &mac->txrates;
-
-	if (!mac->associnfo.associated)
-		return txrates->mgt_mcast_rate;
-
-	/* We are associated, sending unicast frame */
-	if (!is_multicast)
-		return txrates->default_rate;
-
-	/* We are associated, sending multicast frame */
-	if (is_mgt)
-		return txrates->mgt_mcast_rate;
-	else
-		return txrates->mcast_rate;
-}
-
-/* Helper function which advises you when it is safe to transmit with short
- * preamble.
- * You should only call this function when transmitting at CCK rates. */
-static inline int ieee80211softmac_short_preamble_ok(struct ieee80211softmac_device *mac,
-						    int is_multicast,
-						    int is_mgt)
-{
-	return (is_multicast && is_mgt) ? 0 : mac->bssinfo.short_preamble;
-}
-
-/* Helper function which advises you whether protection (e.g. self-CTS) is
- * needed. 1 = protection needed, 0 = no protection needed
- * Only use this function when transmitting with OFDM modulation. */
-static inline int ieee80211softmac_protection_needed(struct ieee80211softmac_device *mac)
-{
-	return mac->bssinfo.use_protection;
-}
-
-/* Start the SoftMAC. Call this after you initialized the device
- * and it is ready to run.
- */
-extern void ieee80211softmac_start(struct net_device *dev);
-/* Stop the SoftMAC. Call this before you shutdown the device. */
-extern void ieee80211softmac_stop(struct net_device *dev);
-
-/*
- * Event system
- */
-
-/* valid event types */
-#define IEEE80211SOFTMAC_EVENT_ANY			-1 /*private use only*/
-#define IEEE80211SOFTMAC_EVENT_SCAN_FINISHED		0
-#define IEEE80211SOFTMAC_EVENT_ASSOCIATED		1
-#define IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED		2
-#define IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT	3
-#define IEEE80211SOFTMAC_EVENT_AUTHENTICATED		4
-#define IEEE80211SOFTMAC_EVENT_AUTH_FAILED		5
-#define IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT		6
-#define IEEE80211SOFTMAC_EVENT_ASSOCIATE_NET_NOT_FOUND	7
-#define IEEE80211SOFTMAC_EVENT_DISASSOCIATED		8
-/* keep this updated! */
-#define IEEE80211SOFTMAC_EVENT_LAST			8
-/*
- * If you want to be notified of certain events, you can call
- * ieee80211softmac_notify[_atomic] with
- * 	- event set to one of the constants below
- * 	- fun set to a function pointer of the appropriate type
- *	- context set to the context data you want passed
- * The return value is 0, or an error.
- */
-typedef void (*notify_function_ptr)(struct net_device *dev, int event_type, void *context);
-
-#define ieee80211softmac_notify(dev, event, fun, context) ieee80211softmac_notify_gfp(dev, event, fun, context, GFP_KERNEL);
-#define ieee80211softmac_notify_atomic(dev, event, fun, context) ieee80211softmac_notify_gfp(dev, event, fun, context, GFP_ATOMIC);
-
-extern int ieee80211softmac_notify_gfp(struct net_device *dev,
-	int event, notify_function_ptr fun, void *context, gfp_t gfp_mask);
-
-/* To clear pending work (for ifconfig down, etc.) */
-extern void
-ieee80211softmac_clear_pending_work(struct ieee80211softmac_device *sm);
-
-#endif /* IEEE80211SOFTMAC_H_ */

include/net/ieee80211softmac_wx.h

@@ -1,99 +0,0 @@
-/*
- * This file contains the prototypes for the wireless extension
- * handlers that the softmac API provides. Include this file to
- * use the wx handlers, you can assign these directly.
- *
- * Copyright (c) 2005 Johannes Berg <johannes@sipsolutions.net>
- *                    Joseph Jezak <josejx@gentoo.org>
- *                    Larry Finger <Larry.Finger@lwfinger.net>
- *                    Danny van Dyk <kugelfang@gentoo.org>
- *                    Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#ifndef _IEEE80211SOFTMAC_WX_H
-#define _IEEE80211SOFTMAC_WX_H
-
-#include <net/ieee80211softmac.h>
-#include <net/iw_handler.h>
-
-extern int
-ieee80211softmac_wx_trigger_scan(struct net_device *net_dev,
-				 struct iw_request_info *info,
-				 union iwreq_data *data,
-				 char *extra);
-
-extern int
-ieee80211softmac_wx_get_scan_results(struct net_device *net_dev,
-				     struct iw_request_info *info,
-				     union iwreq_data *data,
-				     char *extra);
-
-extern int
-ieee80211softmac_wx_set_essid(struct net_device *net_dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *data,
-			      char *extra);
-
-extern int
-ieee80211softmac_wx_get_essid(struct net_device *net_dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *data,
-			      char *extra);
-
-extern int
-ieee80211softmac_wx_set_rate(struct net_device *net_dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *data,
-			     char *extra);
-
-extern int
-ieee80211softmac_wx_get_rate(struct net_device *net_dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *data,
-			     char *extra);
-
-extern int
-ieee80211softmac_wx_get_wap(struct net_device *net_dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *data,
-			      char *extra);
-
-extern int
-ieee80211softmac_wx_set_wap(struct net_device *net_dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *data,
-			      char *extra);
-
-extern int
-ieee80211softmac_wx_set_genie(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra);
-
-extern int
-ieee80211softmac_wx_get_genie(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra);
-extern int
-ieee80211softmac_wx_set_mlme(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra);
-#endif /* _IEEE80211SOFTMAC_WX */

net/ieee80211/Kconfig

@@ -71,4 +71,3 @@ config IEEE80211_CRYPT_TKIP
 	This can be compiled as a module and it will be called
 	"ieee80211_crypt_tkip".
 
-source "net/ieee80211/softmac/Kconfig"

net/ieee80211/Makefile

@@ -10,4 +10,3 @@ ieee80211-objs := \
 	ieee80211_wx.o \
 	ieee80211_geo.o
 
-obj-$(CONFIG_IEEE80211_SOFTMAC) += softmac/

net/ieee80211/softmac/Kconfig

@@ -1,12 +0,0 @@
-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.
-
-config IEEE80211_SOFTMAC_DEBUG
-	bool "Enable full debugging output"
-	depends on IEEE80211_SOFTMAC

net/ieee80211/softmac/Makefile

@@ -1,9 +0,0 @@
-obj-$(CONFIG_IEEE80211_SOFTMAC) += ieee80211softmac.o
-ieee80211softmac-objs := \
-			ieee80211softmac_io.o \
-			ieee80211softmac_auth.o \
-			ieee80211softmac_module.o \
-			ieee80211softmac_scan.o \
-			ieee80211softmac_wx.o \
-			ieee80211softmac_assoc.o \
-			ieee80211softmac_event.o

net/ieee80211/softmac/ieee80211softmac_assoc.c

@@ -1,489 +0,0 @@
-/*
- * This file contains the softmac's association logic.
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#include "ieee80211softmac_priv.h"
-
-/*
- * Overview
- *
- * Before you can associate, you have to authenticate.
- *
- */
-
-/* Sends out an association request to the desired AP */
-static void
-ieee80211softmac_assoc(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net)
-{
-	unsigned long flags;
-
-	/* Switch to correct channel for this network */
-	mac->set_channel(mac->dev, net->channel);
-
-	/* Send association request */
-	ieee80211softmac_send_mgt_frame(mac, net, IEEE80211_STYPE_ASSOC_REQ, 0);
-
-	dprintk(KERN_INFO PFX "sent association request!\n");
-
-	spin_lock_irqsave(&mac->lock, flags);
-	mac->associnfo.associated = 0; /* just to make sure */
-
-	/* Set a timer for timeout */
-	/* FIXME: make timeout configurable */
-	if (likely(mac->running))
-		queue_delayed_work(mac->wq, &mac->associnfo.timeout, 5 * HZ);
-	spin_unlock_irqrestore(&mac->lock, flags);
-}
-
-void
-ieee80211softmac_assoc_timeout(struct work_struct *work)
-{
-	struct ieee80211softmac_device *mac =
-		container_of(work, struct ieee80211softmac_device,
-			     associnfo.timeout.work);
-	struct ieee80211softmac_network *n;
-
-	mutex_lock(&mac->associnfo.mutex);
-	/* we might race against ieee80211softmac_handle_assoc_response,
-	 * so make sure only one of us does something */
-	if (!mac->associnfo.associating)
-		goto out;
-	mac->associnfo.associating = 0;
-	mac->associnfo.bssvalid = 0;
-	mac->associnfo.associated = 0;
-
-	n = ieee80211softmac_get_network_by_bssid_locked(mac, mac->associnfo.bssid);
-
-	dprintk(KERN_INFO PFX "assoc request timed out!\n");
-	ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT, n);
-out:
-	mutex_unlock(&mac->associnfo.mutex);
-}
-
-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->associnfo.associated = 0;
-	mac->associnfo.bssvalid = 0;
-	mac->associnfo.associating = 0;
-	ieee80211softmac_init_bss(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->associnfo.associated) {
-		found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
-		if (found)
-			ieee80211softmac_send_mgt_frame(mac, found, IEEE80211_STYPE_DISASSOC, reason);
-	}
-
-	ieee80211softmac_disassoc(mac);
-}
-
-static inline int
-we_support_all_basic_rates(struct ieee80211softmac_device *mac, u8 *from, u8 from_len)
-{
-	int idx;
-	u8 rate;
-
-	for (idx = 0; idx < (from_len); idx++) {
-		rate = (from)[idx];
-		if (!(rate & IEEE80211_BASIC_RATE_MASK))
-			continue;
-		rate &= ~IEEE80211_BASIC_RATE_MASK;
-		if (!ieee80211softmac_ratesinfo_rate_supported(&mac->ratesinfo, rate))
-			return 0;
-	}
-	return 1;
-}
-
-static int
-network_matches_request(struct ieee80211softmac_device *mac, struct ieee80211_network *net)
-{
-	/* we cannot associate to networks whose name we don't know */
-	if (ieee80211_is_empty_essid(net->ssid, net->ssid_len))
-		return 0;
-	/* do not associate to a network whose BSSBasicRateSet we cannot support */
-	if (!we_support_all_basic_rates(mac, net->rates, net->rates_len))
-		return 0;
-	/* do we really need to check the ex rates? */
-	if (!we_support_all_basic_rates(mac, net->rates_ex, net->rates_ex_len))
-		return 0;
-
-	/* assume that users know what they're doing ...
-	 * (note we don't let them select a net we're incompatible with) */
-	if (mac->associnfo.bssfixed) {
-		return !memcmp(mac->associnfo.bssid, net->bssid, ETH_ALEN);
-	}
-
-	/* if 'ANY' network requested, take any that doesn't have privacy enabled */
-	if (mac->associnfo.req_essid.len == 0
-	    && !(net->capability & WLAN_CAPABILITY_PRIVACY))
-		return 1;
-	if (net->ssid_len != mac->associnfo.req_essid.len)
-		return 0;
-	if (!memcmp(net->ssid, mac->associnfo.req_essid.data, mac->associnfo.req_essid.len))
-		return 1;
-	return 0;
-}
-
-static void
-ieee80211softmac_assoc_notify_scan(struct net_device *dev, int event_type, void *context)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	ieee80211softmac_assoc_work(&mac->associnfo.work.work);
-}
-
-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(&mac->associnfo.work.work);
-		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(struct work_struct *work)
-{
-	struct ieee80211softmac_device *mac =
-		container_of(work, struct ieee80211softmac_device,
-			     associnfo.work.work);
-	struct ieee80211softmac_network *found = NULL;
-	struct ieee80211_network *net = NULL, *best = NULL;
-	int bssvalid;
-	unsigned long flags;
-
-	mutex_lock(&mac->associnfo.mutex);
-
-	if (!mac->associnfo.associating)
-		goto out;
-
-	/* ieee80211_disassoc might clear this */
-	bssvalid = mac->associnfo.bssvalid;
-
-	/* meh */
-	if (mac->associnfo.associated)
-		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 (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,
-	 * but only if we've scanned at least once (to get a better list of networks to
-	 * select from). If we have not scanned before, the !found logic below will be
-	 * invoked and will scan. */
-	if (!found && (mac->associnfo.scan_retry < IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT))
-	{
-		s8 rssi = -128;	/* if I don't initialise, gcc emits an invalid warning
-				   because it cannot follow the best pointer logic. */
-		spin_lock_irqsave(&mac->ieee->lock, flags);
-		list_for_each_entry(net, &mac->ieee->network_list, list) {
-			/* we're supposed to find the network with
-			 * the best signal here, as we're asked to join
-			 * any network with a specific ESSID, and many
-			 * different ones could have that.
-			 *
-			 * I'll for now just go with the reported rssi.
-			 *
-			 * We also should take into account the rateset
-			 * here to find the best BSSID to try.
-			 */
-			if (network_matches_request(mac, net)) {
-				if (!best) {
-					best = net;
-					rssi = best->stats.rssi;
-					continue;
-				}
-				/* we already had a matching network, so
-				 * compare their properties to get the
-				 * better of the two ... (see above)
-				 */
-				if (rssi < net->stats.rssi) {
-					best = net;
-					rssi = best->stats.rssi;
-				}
-			}
-		}
-		/* if we unlock here, we might get interrupted and the `best'
-		 * pointer could go stale */
-		if (best) {
-			found = ieee80211softmac_create_network(mac, best);
-			/* if found is still NULL, then we got -ENOMEM somewhere */
-			if (found)
-				ieee80211softmac_add_network(mac, found);
-		}
-		spin_unlock_irqrestore(&mac->ieee->lock, flags);
-	}
-
-	if (!found) {
-		if (mac->associnfo.scan_retry > 0) {
-			mac->associnfo.scan_retry--;
-
-			/* We know of no such network. Let's scan.
-			 * NB: this also happens if we had no memory to copy the network info...
-			 * 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_scan, NULL);
-			if (ieee80211softmac_start_scan(mac)) {
-				dprintk(KERN_INFO PFX "Associate: failed to initiate scan. Is device up?\n");
-			}
-			goto out;
-		} else {
-			mac->associnfo.associating = 0;
-			mac->associnfo.associated = 0;
-
-			dprintk(KERN_INFO PFX "Unable to find matching network after scan!\n");
-			/* reset the retry counter for the next user request since we
-			 * break out and don't reschedule ourselves after this point. */
-			mac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
-			ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_NET_NOT_FOUND, NULL);
-			goto out;
-		}
-	}
-
-	/* reset the retry counter for the next user request since we
-	 * now found a net and will try to associate to it, but not
-	 * schedule this function again. */
-	mac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
-	mac->associnfo.bssvalid = 1;
-	memcpy(mac->associnfo.bssid, found->bssid, ETH_ALEN);
-	/* copy the ESSID for displaying it */
-	mac->associnfo.associate_essid.len = found->essid.len;
-	memcpy(mac->associnfo.associate_essid.data, found->essid.data, IW_ESSID_MAX_SIZE + 1);
-
-	/* we found a network! authenticate (if necessary) and associate to it. */
-	if (found->authenticating) {
-		dprintk(KERN_INFO PFX "Already requested authentication, waiting...\n");
-		if(!mac->associnfo.assoc_wait) {
-			mac->associnfo.assoc_wait = 1;
-			ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
-		}
-		goto out;
-	}
-	if (!found->authenticated && !found->authenticating) {
-		/* This relies on the fact that _auth_req only queues the work,
-		 * otherwise adding the notification would be racy. */
-		if (!ieee80211softmac_auth_req(mac, found)) {
-			if(!mac->associnfo.assoc_wait) {
-				dprintk(KERN_INFO PFX "Cannot associate without being authenticated, requested authentication\n");
-				mac->associnfo.assoc_wait = 1;
-				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");
-			mac->associnfo.assoc_wait = 0;
-			ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, found);
-		}
-		goto out;
-	}
-	/* finally! now we can start associating */
-	mac->associnfo.assoc_wait = 0;
-	ieee80211softmac_assoc(mac, found);
-
-out:
-	mutex_unlock(&mac->associnfo.mutex);
-}
-
-/* call this to do whatever is necessary when we're associated */
-static void
-ieee80211softmac_associated(struct ieee80211softmac_device *mac,
-	struct ieee80211_assoc_response * resp,
-	struct ieee80211softmac_network *net)
-{
-	u16 cap = le16_to_cpu(resp->capability);
-	u8 erp_value = net->erp_value;
-
-	mac->associnfo.associating = 0;
-	mac->bssinfo.supported_rates = net->supported_rates;
-	ieee80211softmac_recalc_txrates(mac);
-
-	mac->associnfo.associated = 1;
-
-	mac->associnfo.short_preamble_available =
-		(cap & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0;
-	ieee80211softmac_process_erp(mac, erp_value);
-
-	if (mac->set_bssid_filter)
-		mac->set_bssid_filter(mac->dev, net->bssid);
-	memcpy(mac->ieee->bssid, net->bssid, ETH_ALEN);
-	netif_carrier_on(mac->dev);
-
-	mac->association_id = le16_to_cpup(&resp->aid);
-}
-
-/* received frame handling functions */
-int
-ieee80211softmac_handle_assoc_response(struct net_device * dev,
-				       struct ieee80211_assoc_response * resp,
-				       struct ieee80211_network * _ieee80211_network)
-{
-	/* NOTE: the network parameter has to be mostly ignored by
-	 *       this code because it is the ieee80211's pointer
-	 *       to the struct, not ours (we made a copy)
-	 */
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	u16 status = le16_to_cpup(&resp->status);
-	struct ieee80211softmac_network *network = NULL;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac2);
-
-	if (unlikely(!mac->running))
-		return -ENODEV;
-
-	spin_lock_irqsave(&mac->lock, flags);
-
-	if (!mac->associnfo.associating) {
-		/* we race against the timeout function, so make sure
-		 * only one of us can do work */
-		spin_unlock_irqrestore(&mac->lock, flags);
-		return 0;
-	}
-	network = ieee80211softmac_get_network_by_bssid_locked(mac, resp->header.addr3);
-
-	/* someone sending us things without us knowing him? Ignore. */
-	if (!network) {
-		dprintk(KERN_INFO PFX "Received unrequested assocation response from %s\n",
-			print_mac(mac2, resp->header.addr3));
-		spin_unlock_irqrestore(&mac->lock, flags);
-		return 0;
-	}
-
-	/* now that we know it was for us, we can cancel the timeout */
-	cancel_delayed_work(&mac->associnfo.timeout);
-
-	/* if the association response included an ERP IE, update our saved
-	 * copy */
-	if (_ieee80211_network->flags & NETWORK_HAS_ERP_VALUE)
-		network->erp_value = _ieee80211_network->erp_value;
-
-	switch (status) {
-		case 0:
-			dprintk(KERN_INFO PFX "associated!\n");
-			ieee80211softmac_associated(mac, resp, network);
-			ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATED, network);
-			break;
-		case WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH:
-			if (!network->auth_desynced_once) {
-				/* there seem to be a few rare cases where our view of
-				 * the world is obscured, or buggy APs that don't DEAUTH
-				 * us properly. So we handle that, but allow it only once.
-				 */
-				printkl(KERN_INFO PFX "We were not authenticated during association, retrying...\n");
-				network->authenticated = 0;
-				/* we don't want to do this more than once ... */
-				network->auth_desynced_once = 1;
-				queue_delayed_work(mac->wq, &mac->associnfo.work, 0);
-				break;
-			}
-		default:
-			dprintk(KERN_INFO PFX "associating failed (reason: 0x%x)!\n", status);
-			mac->associnfo.associating = 0;
-			mac->associnfo.bssvalid = 0;
-			mac->associnfo.associated = 0;
-			ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, network);
-	}
-
-	spin_unlock_irqrestore(&mac->lock, flags);
-	return 0;
-}
-
-void
-ieee80211softmac_try_reassoc(struct ieee80211softmac_device *mac)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&mac->lock, flags);
-	mac->associnfo.associating = 1;
-	queue_delayed_work(mac->wq, &mac->associnfo.work, 0);
-	spin_unlock_irqrestore(&mac->lock, flags);
-}
-
-int
-ieee80211softmac_handle_disassoc(struct net_device * dev,
-				 struct ieee80211_disassoc *disassoc)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-
-	if (unlikely(!mac->running))
-		return -ENODEV;
-
-	if (memcmp(disassoc->header.addr2, mac->associnfo.bssid, ETH_ALEN))
-		return 0;
-
-	if (memcmp(disassoc->header.addr1, mac->dev->dev_addr, ETH_ALEN))
-		return 0;
-
-	dprintk(KERN_INFO PFX "got disassoc frame\n");
-	ieee80211softmac_disassoc(mac);
-
-	ieee80211softmac_try_reassoc(mac);
-
-	return 0;
-}
-
-int
-ieee80211softmac_handle_reassoc_req(struct net_device * dev,
-				    struct ieee80211_reassoc_request * resp)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	struct ieee80211softmac_network *network;
-
-	if (unlikely(!mac->running))
-		return -ENODEV;
-
-	network = ieee80211softmac_get_network_by_bssid(mac, resp->header.addr3);
-	if (!network) {
-		dprintkl(KERN_INFO PFX "reassoc request from unknown network\n");
-		return 0;
-	}
-	queue_delayed_work(mac->wq, &mac->associnfo.work, 0);
-
-	return 0;
-}

net/ieee80211/softmac/ieee80211softmac_auth.c

@@ -1,413 +0,0 @@
-/*
- * This file contains the softmac's authentication logic.
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#include "ieee80211softmac_priv.h"
-
-static void ieee80211softmac_auth_queue(struct work_struct *work);
-
-/* Queues an auth request to the desired AP */
-int
-ieee80211softmac_auth_req(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net)
-{
-	struct ieee80211softmac_auth_queue_item *auth;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac2);
-
-	if (net->authenticating || net->authenticated)
-		return 0;
-	net->authenticating = 1;
-
-	/* Add the network if it's not already added */
-	ieee80211softmac_add_network(mac, net);
-
-	dprintk(KERN_NOTICE PFX "Queueing Authentication Request to %s\n", print_mac(mac2, net->bssid));
-	/* Queue the auth request */
-	auth = (struct ieee80211softmac_auth_queue_item *)
-		kmalloc(sizeof(struct ieee80211softmac_auth_queue_item), GFP_KERNEL);
-	if(auth == NULL)
-		return -ENOMEM;
-
-	auth->net = net;
-	auth->mac = mac;
-	auth->retry = IEEE80211SOFTMAC_AUTH_RETRY_LIMIT;
-	auth->state = IEEE80211SOFTMAC_AUTH_OPEN_REQUEST;
-	INIT_DELAYED_WORK(&auth->work, ieee80211softmac_auth_queue);
-
-	/* Lock (for list) */
-	spin_lock_irqsave(&mac->lock, flags);
-
-	/* add to list */
-	list_add_tail(&auth->list, &mac->auth_queue);
-	queue_delayed_work(mac->wq, &auth->work, 0);
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	return 0;
-}
-
-
-/* Sends an auth request to the desired AP and handles timeouts */
-static void
-ieee80211softmac_auth_queue(struct work_struct *work)
-{
-	struct ieee80211softmac_device *mac;
-	struct ieee80211softmac_auth_queue_item *auth;
-	struct ieee80211softmac_network *net;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac2);
-
-	auth = container_of(work, struct ieee80211softmac_auth_queue_item,
-			    work.work);
-	net = auth->net;
-	mac = auth->mac;
-
-	if(auth->retry > 0) {
-		/* Switch to correct channel for this network */
-		mac->set_channel(mac->dev, net->channel);
-
-		/* Lock and set flags */
-		spin_lock_irqsave(&mac->lock, flags);
-		if (unlikely(!mac->running)) {
-			/* Prevent reschedule on workqueue flush */
-			spin_unlock_irqrestore(&mac->lock, flags);
-			return;
-		}
-		net->authenticated = 0;
-		/* add a timeout call so we eventually give up waiting for an auth reply */
-		queue_delayed_work(mac->wq, &auth->work, IEEE80211SOFTMAC_AUTH_TIMEOUT);
-		auth->retry--;
-		spin_unlock_irqrestore(&mac->lock, flags);
-		if (ieee80211softmac_send_mgt_frame(mac, auth->net, IEEE80211_STYPE_AUTH, auth->state))
-			dprintk(KERN_NOTICE PFX "Sending Authentication Request to %s failed (this shouldn't happen, wait for the timeout).\n",
-				print_mac(mac2, net->bssid));
-		else
-			dprintk(KERN_NOTICE PFX "Sent Authentication Request to %s.\n", print_mac(mac2, net->bssid));
-		return;
-	}
-
-	printkl(KERN_WARNING PFX "Authentication timed out with %s\n", print_mac(mac2, 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);
-	spin_unlock_irqrestore(&mac->lock, flags);
-	/* Free it */
-	kfree(auth);
-}
-
-/* Sends a response to an auth challenge (for shared key auth). */
-static void
-ieee80211softmac_auth_challenge_response(struct work_struct *work)
-{
-	struct ieee80211softmac_auth_queue_item *aq =
-		container_of(work, struct ieee80211softmac_auth_queue_item,
-			     work.work);
-
-	/* Send our response */
-	ieee80211softmac_send_mgt_frame(aq->mac, aq->net, IEEE80211_STYPE_AUTH, aq->state);
-}
-
-/* Handle the auth response from the AP
- * This should be registered with ieee80211 as handle_auth
- */
-int
-ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
-{
-
-	struct list_head *list_ptr;
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	struct ieee80211softmac_auth_queue_item *aq = NULL;
-	struct ieee80211softmac_network *net = NULL;
-	unsigned long flags;
-	u8 * data;
-	DECLARE_MAC_BUF(mac2);
-
-	if (unlikely(!mac->running))
-		return -ENODEV;
-
-	/* Find correct auth queue item */
-	spin_lock_irqsave(&mac->lock, flags);
-	list_for_each(list_ptr, &mac->auth_queue) {
-		aq = list_entry(list_ptr, struct ieee80211softmac_auth_queue_item, list);
-		net = aq->net;
-		if (!memcmp(net->bssid, auth->header.addr2, ETH_ALEN))
-			break;
-		else
-			aq = NULL;
-	}
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	/* Make sure that we've got an auth queue item for this request */
-	if(aq == NULL)
-	{
-		dprintkl(KERN_DEBUG PFX "Authentication response received from %s but no queue item exists.\n", print_mac(mac2, auth->header.addr2));
-		/* Error #? */
-		return -1;
-	}
-
-	/* Check for out of order authentication */
-	if(!net->authenticating)
-	{
-		dprintkl(KERN_DEBUG PFX "Authentication response received from %s but did not request authentication.\n",print_mac(mac2, auth->header.addr2));
-		return -1;
-	}
-
-	/* Parse the auth packet */
-	switch(le16_to_cpu(auth->algorithm)) {
-	case WLAN_AUTH_OPEN:
-		/* Check the status code of the response */
-
-		switch(le16_to_cpu(auth->status)) {
-		case WLAN_STATUS_SUCCESS:
-			/* Update the status to Authenticated */
-			spin_lock_irqsave(&mac->lock, flags);
-			net->authenticating = 0;
-			net->authenticated = 1;
-			spin_unlock_irqrestore(&mac->lock, flags);
-
-			/* Send event */
-			printkl(KERN_NOTICE PFX "Open Authentication completed with %s\n", print_mac(mac2, net->bssid));
-			ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
-			break;
-		default:
-			/* Lock and reset flags */
-			spin_lock_irqsave(&mac->lock, flags);
-			net->authenticated = 0;
-			net->authenticating = 0;
-			spin_unlock_irqrestore(&mac->lock, flags);
-
-			printkl(KERN_NOTICE PFX "Open Authentication with %s failed, error code: %i\n",
-				print_mac(mac2, net->bssid), le16_to_cpup(&auth->status));
-			/* Count the error? */
-			break;
-		}
-		goto free_aq;
-		break;
-	case WLAN_AUTH_SHARED_KEY:
-		/* Figure out where we are in the process */
-		switch(le16_to_cpu(auth->transaction)) {
-		case IEEE80211SOFTMAC_AUTH_SHARED_CHALLENGE:
-			/* Check to make sure we have a challenge IE */
-			data = (u8 *)auth->info_element;
-			if (*data++ != MFIE_TYPE_CHALLENGE) {
-				printkl(KERN_NOTICE PFX "Shared Key Authentication failed due to a missing challenge.\n");
-				break;
-			}
-			/* Save the challenge */
-			spin_lock_irqsave(&mac->lock, flags);
-			net->challenge_len = *data++;
-			if (net->challenge_len > WLAN_AUTH_CHALLENGE_LEN)
-				net->challenge_len = WLAN_AUTH_CHALLENGE_LEN;
-			kfree(net->challenge);
-			net->challenge = kmemdup(data, net->challenge_len,
-						 GFP_ATOMIC);
-			if (net->challenge == NULL) {
-				printkl(KERN_NOTICE PFX "Shared Key "
-					"Authentication failed due to "
-					"memory shortage.\n");
-				spin_unlock_irqrestore(&mac->lock, flags);
-				break;
-			}
-			aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE;
-
-			/* We reuse the work struct from the auth request here.
-			 * It is safe to do so as each one is per-request, and
-			 * at this point (dealing with authentication response)
-			 * we have obviously already sent the initial auth
-			 * request. */
-			cancel_delayed_work(&aq->work);
-			INIT_DELAYED_WORK(&aq->work, &ieee80211softmac_auth_challenge_response);
-			queue_delayed_work(mac->wq, &aq->work, 0);
-			spin_unlock_irqrestore(&mac->lock, flags);
-			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:
-				/* Update the status to Authenticated */
-				spin_lock_irqsave(&mac->lock, flags);
-				net->authenticating = 0;
-				net->authenticated = 1;
-				spin_unlock_irqrestore(&mac->lock, flags);
-				printkl(KERN_NOTICE PFX "Shared Key Authentication completed with %s\n",
-					print_mac(mac2, net->bssid));
-				ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
-				break;
-			default:
-				printkl(KERN_NOTICE PFX "Shared Key Authentication with %s failed, error code: %i\n",
-					print_mac(mac2, net->bssid), le16_to_cpup(&auth->status));
-				/* Lock and reset flags */
-				spin_lock_irqsave(&mac->lock, flags);
-				net->authenticating = 0;
-				net->authenticated = 0;
-				spin_unlock_irqrestore(&mac->lock, flags);
-				/* Count the error? */
-				break;
-			}
-			goto free_aq;
-			break;
-		default:
-			printkl(KERN_WARNING PFX "Unhandled Authentication Step: %i\n", auth->transaction);
-			break;
-		}
-		goto free_aq;
-		break;
-	default:
-		/* ERROR */
-		goto free_aq;
-		break;
-	}
-	return 0;
-free_aq:
-	/* Cancel the timeout */
-	spin_lock_irqsave(&mac->lock, flags);
-	cancel_delayed_work(&aq->work);
-	/* Remove this item from the queue */
-	list_del(&aq->list);
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	/* Free it */
-	kfree(aq);
-	return 0;
-}
-
-/*
- * Handle deauthorization
- */
-static void
-ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net)
-{
-	struct ieee80211softmac_auth_queue_item *aq = NULL;
-	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;
-	net->authenticated = 0;
-
-	/* Find correct auth queue item, if it exists */
-	list_for_each(list_ptr, &mac->auth_queue) {
-		aq = list_entry(list_ptr, struct ieee80211softmac_auth_queue_item, list);
-		if (!memcmp(net->bssid, aq->net->bssid, ETH_ALEN))
-			break;
-		else
-			aq = NULL;
-	}
-
-	/* Cancel pending work */
-	if(aq != NULL)
-		/* Not entirely safe?  What about running work? */
-		cancel_delayed_work(&aq->work);
-
-	/* Free our network ref */
-	ieee80211softmac_del_network_locked(mac, net);
-	if(net->challenge != NULL)
-		kfree(net->challenge);
-	kfree(net);
-
-	/* can't transmit data right now... */
-	netif_carrier_off(mac->dev);
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	ieee80211softmac_try_reassoc(mac);
-}
-
-/*
- * Sends a deauth request to the desired AP
- */
-int
-ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net, int reason)
-{
-	int ret;
-
-	/* Make sure the network is authenticated */
-	if (!net->authenticated)
-	{
-		dprintkl(KERN_DEBUG PFX "Can't send deauthentication packet, network is not authenticated.\n");
-		/* Error okay? */
-		return -EPERM;
-	}
-
-	/* Send the de-auth packet */
-	if((ret = ieee80211softmac_send_mgt_frame(mac, net, IEEE80211_STYPE_DEAUTH, reason)))
-		return ret;
-
-	ieee80211softmac_deauth_from_net(mac, net);
-	return 0;
-}
-
-/*
- * This should be registered with ieee80211 as handle_deauth
- */
-int
-ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *deauth)
-{
-
-	struct ieee80211softmac_network *net = NULL;
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	DECLARE_MAC_BUF(mac2);
-
-	if (unlikely(!mac->running))
-		return -ENODEV;
-
-	if (!deauth) {
-		dprintk("deauth without deauth packet. eek!\n");
-		return 0;
-	}
-
-	net = ieee80211softmac_get_network_by_bssid(mac, deauth->header.addr2);
-
-	if (net == NULL) {
-		dprintkl(KERN_DEBUG PFX "Received deauthentication packet from %s, but that network is unknown.\n",
-			print_mac(mac2, deauth->header.addr2));
-		return 0;
-	}
-
-	/* Make sure the network is authenticated */
-	if(!net->authenticated)
-	{
-		dprintkl(KERN_DEBUG PFX "Can't perform deauthentication, network is not authenticated.\n");
-		/* Error okay? */
-		return -EPERM;
-	}
-
-	ieee80211softmac_deauth_from_net(mac, net);
-
-	/* let's try to re-associate */
-	queue_delayed_work(mac->wq, &mac->associnfo.work, 0);
-	return 0;
-}

net/ieee80211/softmac/ieee80211softmac_event.c

@@ -1,189 +0,0 @@
-/*
- * Event system
- * Also see comments in public header file and longer explanation below.
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#include "ieee80211softmac_priv.h"
-
-/*
- * Each event has associated to it
- *  - an event type (see constants in public header)
- *  - an event context (see below)
- *  - the function to be called
- *  - a context (extra parameter to call the function with)
- *  - and the softmac struct
- *
- * The event context is private and can only be used from
- * within this module. Its meaning varies with the event
- * type:
- *  SCAN_FINISHED,
- *  DISASSOCIATED:	NULL
- *  ASSOCIATED,
- *  ASSOCIATE_FAILED,
- *  ASSOCIATE_TIMEOUT,
- *  AUTHENTICATED,
- *  AUTH_FAILED,
- *  AUTH_TIMEOUT:	a pointer to the network struct
- * ...
- * Code within this module can use the event context to be only
- * called when the event is true for that specific context
- * as per above table.
- * If the event context is NULL, then the notification is always called,
- * regardless of the event context. The event context is not passed to
- * the callback, it is assumed that the context suffices.
- *
- * You can also use the event context only by setting the event type
- * to -1 (private use only), in which case you'll be notified
- * whenever the event context matches.
- */
-
-static char *event_descriptions[IEEE80211SOFTMAC_EVENT_LAST+1] = {
-	NULL, /* scan finished */
-	NULL, /* associated */
-	"associating failed",
-	"associating timed out",
-	"authenticated",
-	"authenticating failed",
-	"authenticating timed out",
-	"associating failed because no suitable network was found",
-	NULL, /* disassociated */
-};
-
-
-static void
-ieee80211softmac_notify_callback(struct work_struct *work)
-{
-	struct ieee80211softmac_event *pevent =
-		container_of(work, struct ieee80211softmac_event, work.work);
-	struct ieee80211softmac_event event = *pevent;
-	kfree(pevent);
-
-	event.fun(event.mac->dev, event.event_type, event.context);
-}
-
-int
-ieee80211softmac_notify_internal(struct ieee80211softmac_device *mac,
-	int event, void *event_context, notify_function_ptr fun, void *context, gfp_t gfp_mask)
-{
-	struct ieee80211softmac_event *eventptr;
-	unsigned long flags;
-
-	if (event < -1 || event > IEEE80211SOFTMAC_EVENT_LAST)
-		return -ENOSYS;
-
-	if (!fun)
-		return -EINVAL;
-
-	eventptr = kmalloc(sizeof(struct ieee80211softmac_event), gfp_mask);
-	if (!eventptr)
-		return -ENOMEM;
-
-	eventptr->event_type = event;
-	INIT_DELAYED_WORK(&eventptr->work, ieee80211softmac_notify_callback);
-	eventptr->fun = fun;
-	eventptr->context = context;
-	eventptr->mac = mac;
-	eventptr->event_context = event_context;
-
-	spin_lock_irqsave(&mac->lock, flags);
-	list_add(&eventptr->list, &mac->events);
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	return 0;
-}
-
-int
-ieee80211softmac_notify_gfp(struct net_device *dev,
-	int event, notify_function_ptr fun, void *context, gfp_t gfp_mask)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-
-	if (event < 0 || event > IEEE80211SOFTMAC_EVENT_LAST)
-		return -ENOSYS;
-
-	return ieee80211softmac_notify_internal(mac, event, NULL, fun, context, gfp_mask);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_notify_gfp);
-
-/* private -- calling all callbacks that were specified */
-void
-ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int event, void *event_ctx)
-{
-	struct ieee80211softmac_event *eventptr, *tmp;
-	struct ieee80211softmac_network *network;
-
-	if (event >= 0) {
-		union iwreq_data wrqu;
-		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;
-			memcpy(wrqu.ap_addr.sa_data, &network->bssid[0], ETH_ALEN);
-			/* fall through */
-		case IEEE80211SOFTMAC_EVENT_DISASSOCIATED:
-			wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-			we_event = SIOCGIWAP;
-			break;
-		case IEEE80211SOFTMAC_EVENT_SCAN_FINISHED:
-			we_event = SIOCGIWSCAN;
-			break;
-		default:
-			msg = event_descriptions[event];
-			if (!msg)
-				msg = "SOFTMAC EVENT BUG";
-			wrqu.data.length = strlen(msg);
-			we_event = IWEVCUSTOM;
-			break;
-		}
-		wireless_send_event(mac->dev, we_event, &wrqu, msg);
-	}
-
-	if (!list_empty(&mac->events))
-		list_for_each_entry_safe(eventptr, tmp, &mac->events, list) {
-			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;
-				queue_delayed_work(mac->wq, &eventptr->work, 0);
-			}
-		}
-}
-
-void
-ieee80211softmac_call_events(struct ieee80211softmac_device *mac, int event, void *event_ctx)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&mac->lock, flags);
-	ieee80211softmac_call_events_locked(mac, event, event_ctx);
-
-	spin_unlock_irqrestore(&mac->lock, flags);
-}

net/ieee80211/softmac/ieee80211softmac_io.c

@@ -1,488 +0,0 @@
-/*
- * Some parts based on code from net80211
- * Copyright (c) 2001 Atsushi Onoe
- * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "ieee80211softmac_priv.h"
-
-/* Helper functions for inserting data into the frames */
-
-/*
- * Adds an ESSID element to the frame
- *
- */
-static u8 *
-ieee80211softmac_add_essid(u8 *dst, struct ieee80211softmac_essid *essid)
-{
-	if (essid) {
-		*dst++ = MFIE_TYPE_SSID;
-		*dst++ = essid->len;
-		memcpy(dst, essid->data, essid->len);
-		return dst+essid->len;
-	} else {
-		*dst++ = MFIE_TYPE_SSID;
-		*dst++ = 0;
-		return dst;
-	}
-}
-
-/* Adds Supported Rates and if required Extended Rates Information Element
- * to the frame, ASSUMES WE HAVE A SORTED LIST OF RATES */
-static u8 *
-ieee80211softmac_frame_add_rates(u8 *dst, const struct ieee80211softmac_ratesinfo *r)
-{
-	int cck_len, ofdm_len;
-	*dst++ = MFIE_TYPE_RATES;
-
-	for(cck_len=0; ieee80211_is_cck_rate(r->rates[cck_len]) && (cck_len < r->count);cck_len++);
-
-	if(cck_len > IEEE80211SOFTMAC_MAX_RATES_LEN)
-		cck_len = IEEE80211SOFTMAC_MAX_RATES_LEN;
-	*dst++ = cck_len;
-	memcpy(dst, r->rates, cck_len);
-	dst += cck_len;
-
-	if(cck_len < r->count){
-		for (ofdm_len=0; ieee80211_is_ofdm_rate(r->rates[ofdm_len + cck_len]) && (ofdm_len + cck_len < r->count); ofdm_len++);
-		if (ofdm_len > 0) {
-			if (ofdm_len > IEEE80211SOFTMAC_MAX_EX_RATES_LEN)
-				ofdm_len = IEEE80211SOFTMAC_MAX_EX_RATES_LEN;
-			*dst++ = MFIE_TYPE_RATES_EX;
-			*dst++ = ofdm_len;
-			memcpy(dst, r->rates + cck_len, ofdm_len);
-			dst += ofdm_len;
-		}
-	}
-	return dst;
-}
-
-/* Allocate a management frame */
-static u8 *
-ieee80211softmac_alloc_mgt(u32 size)
-{
-	u8 * data;
-
-	/* Add the header and FCS to the size */
-	size = size + IEEE80211_3ADDR_LEN;
-	if(size > IEEE80211_DATA_LEN)
-		return NULL;
-	/* Allocate the frame */
-	data = kzalloc(size, GFP_ATOMIC);
-	return data;
-}
-
-/*
- * Add a 2 Address Header
- */
-static void
-ieee80211softmac_hdr_2addr(struct ieee80211softmac_device *mac,
-	struct ieee80211_hdr_2addr *header, u32 type, u8 *dest)
-{
-	/* Fill in the frame control flags */
-	header->frame_ctl = cpu_to_le16(type);
-	/* Control packets always have WEP turned off */
-	if(type > IEEE80211_STYPE_CFENDACK && type < IEEE80211_STYPE_PSPOLL)
-		header->frame_ctl |= mac->ieee->sec.level ? cpu_to_le16(IEEE80211_FCTL_PROTECTED) : 0;
-
-	/* Fill in the duration */
-	header->duration_id = 0;
-	/* FIXME: How do I find this?
-	 * calculate. But most drivers just fill in 0 (except if it's a station id of course) */
-
-	/* Fill in the Destination Address */
-	if(dest == NULL)
-		memset(header->addr1, 0xFF, ETH_ALEN);
-	else
-		memcpy(header->addr1, dest, ETH_ALEN);
-	/* Fill in the Source Address */
-	memcpy(header->addr2, mac->ieee->dev->dev_addr, ETH_ALEN);
-
-}
-
-
-/* Add a 3 Address Header */
-static void
-ieee80211softmac_hdr_3addr(struct ieee80211softmac_device *mac,
-	struct ieee80211_hdr_3addr *header, u32 type, u8 *dest, u8 *bssid)
-{
-	/* This is common with 2addr, so use that instead */
-	ieee80211softmac_hdr_2addr(mac, (struct ieee80211_hdr_2addr *)header, type, dest);
-
-	/* Fill in the BSS ID */
-	if(bssid == NULL)
-		memset(header->addr3, 0xFF, ETH_ALEN);
-	else
-		memcpy(header->addr3, bssid, ETH_ALEN);
-
-	/* Fill in the sequence # */
-	/* FIXME: I need to add this to the softmac struct
-	 * shouldn't the sequence number be in ieee80211? */
-}
-
-static __le16
-ieee80211softmac_capabilities(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net)
-{
-	__le16 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 = cpu_to_le16(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 |= cpu_to_le16(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
- *****************************************************************************/
-
-/* Creates an association request packet */
-static u32
-ieee80211softmac_assoc_req(struct ieee80211_assoc_request **pkt,
-	struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net)
-{
-	u8 *data;
-	(*pkt) = (struct ieee80211_assoc_request *)ieee80211softmac_alloc_mgt(
-		2 +		/* Capability Info */
-		2 +	 	/* Listen Interval */
-		/* SSID IE */
-		1 + 1 + IW_ESSID_MAX_SIZE +
-		/* Rates IE */
-		1 + 1 + IEEE80211SOFTMAC_MAX_RATES_LEN +
-		/* Extended Rates IE */
-		1 + 1 + IEEE80211SOFTMAC_MAX_EX_RATES_LEN +
-		/* WPA IE if present */
-		mac->wpa.IElen
-		/* Other IE's?  Optional?
-		 * Yeah, probably need an extra IE parameter -- lots of vendors like to
-		 * fill in their own IEs */
-	);
-	if (unlikely((*pkt) == NULL))
-		return 0;
-	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_ASSOC_REQ, net->bssid, net->bssid);
-
-	/* Fill in the capabilities */
-	(*pkt)->capability = ieee80211softmac_capabilities(mac, net);
-
-	/* Fill in Listen Interval (?) */
-	(*pkt)->listen_interval = cpu_to_le16(10);
-
-	data = (u8 *)(*pkt)->info_element;
-	/* Add SSID */
-	data = ieee80211softmac_add_essid(data, &net->essid);
-	/* Add Rates */
-	data = ieee80211softmac_frame_add_rates(data, &mac->ratesinfo);
-	/* Add WPA IE */
-	if (mac->wpa.IElen && mac->wpa.IE) {
-		memcpy(data, mac->wpa.IE, mac->wpa.IElen);
-		data += mac->wpa.IElen;
-	}
-	/* Return the number of used bytes */
-	return (data - (u8*)(*pkt));
-}
-
-/* Create a reassociation request packet */
-static u32
-ieee80211softmac_reassoc_req(struct ieee80211_reassoc_request **pkt,
-	struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net)
-{
-	u8 *data;
-	(*pkt) = (struct ieee80211_reassoc_request *)ieee80211softmac_alloc_mgt(
-		2 +		/* Capability Info */
-		2 +	 	/* Listen Interval */
-		ETH_ALEN +	/* AP MAC */
-		/* SSID IE */
-		1 + 1 + IW_ESSID_MAX_SIZE +
-		/* Rates IE */
-		1 + 1 + IEEE80211SOFTMAC_MAX_RATES_LEN +
-		/* Extended Rates IE */
-		1 + 1 + IEEE80211SOFTMAC_MAX_EX_RATES_LEN
-		/* Other IE's? */
-	);
-	if (unlikely((*pkt) == NULL))
-		return 0;
-	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_REASSOC_REQ, net->bssid, net->bssid);
-
-	/* 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 */
-	memcpy((*pkt)->current_ap, mac->ieee->bssid, ETH_ALEN);
-
-	data = (u8 *)(*pkt)->info_element;
-	/* Add SSID */
-	data = ieee80211softmac_add_essid(data, &net->essid);
-	/* Add Rates */
-	data = ieee80211softmac_frame_add_rates(data, &mac->ratesinfo);
-	/* Return packet size */
-	return (data - (u8 *)(*pkt));
-}
-
-/* Create an authentication packet */
-static u32
-ieee80211softmac_auth(struct ieee80211_auth **pkt,
-	struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
-	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 */
-		(is_shared_response ? 1 + 1 + net->challenge_len : 0)
-	);
-	if (unlikely((*pkt) == NULL))
-		return 0;
-	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_AUTH, net->bssid, net->bssid);
-
-	/* Algorithm */
-	(*pkt)->algorithm = cpu_to_le16(auth_mode);
-	/* Transaction */
-	(*pkt)->transaction = cpu_to_le16(transaction);
-	/* Status */
-	(*pkt)->status = cpu_to_le16(status);
-
-	data = (u8 *)(*pkt)->info_element;
-	/* Challenge Text */
-	if (is_shared_response) {
-		*data = MFIE_TYPE_CHALLENGE;
-		data++;
-
-		/* Copy the challenge in */
-		*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));
-}
-
-/* Create a disassocation or deauthentication packet */
-static u32
-ieee80211softmac_disassoc_deauth(struct ieee80211_disassoc **pkt,
-	struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
-	u16 type, u16 reason)
-{
-	/* Allocate Packet */
-	(*pkt) = (struct ieee80211_disassoc *)ieee80211softmac_alloc_mgt(2);
-	if (unlikely((*pkt) == NULL))
-		return 0;
-	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), type, net->bssid, net->bssid);
-	/* Reason */
-	(*pkt)->reason = cpu_to_le16(reason);
-	/* Return the packet size */
-	return (2 + IEEE80211_3ADDR_LEN);
-}
-
-/* Create a probe request packet */
-static u32
-ieee80211softmac_probe_req(struct ieee80211_probe_request **pkt,
-	struct ieee80211softmac_device *mac, struct ieee80211softmac_essid *essid)
-{
-	u8 *data;
-	/* Allocate Packet */
-	(*pkt) = (struct ieee80211_probe_request *)ieee80211softmac_alloc_mgt(
-		/* SSID of requested network */
-		1 + 1 + IW_ESSID_MAX_SIZE +
-		/* Rates IE */
-		1 + 1 + IEEE80211SOFTMAC_MAX_RATES_LEN +
-		/* Extended Rates IE */
-		1 + 1 + IEEE80211SOFTMAC_MAX_EX_RATES_LEN
-	);
-	if (unlikely((*pkt) == NULL))
-		return 0;
-	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_PROBE_REQ, NULL, NULL);
-
-	data = (u8 *)(*pkt)->info_element;
-	/* Add ESSID (can be NULL) */
-	data = ieee80211softmac_add_essid(data, essid);
-	/* Add Rates */
-	data = ieee80211softmac_frame_add_rates(data, &mac->ratesinfo);
-	/* Return packet size */
-	return (data - (u8 *)(*pkt));
-}
-
-/* Create a probe response packet */
-/* FIXME: Not complete */
-static u32
-ieee80211softmac_probe_resp(struct ieee80211_probe_response **pkt,
-	struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net)
-{
-	u8 *data;
-	/* Allocate Packet */
-	(*pkt) = (struct ieee80211_probe_response *)ieee80211softmac_alloc_mgt(
-		8 +		/* Timestamp */
-		2 +		/* Beacon Interval */
-		2 +		/* Capability Info */
-				/* SSID IE */
-		1 + 1 + IW_ESSID_MAX_SIZE +
-		7 + 		/* FH Parameter Set */
-		2 +		/* DS Parameter Set */
-		8 +		/* CF Parameter Set */
-		4 		/* IBSS Parameter Set */
-	);
-	if (unlikely((*pkt) == NULL))
-		return 0;
-	ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_PROBE_RESP, net->bssid, net->bssid);
-	data = (u8 *)(*pkt)->info_element;
-
-	/* Return the packet size */
-	return (data - (u8 *)(*pkt));
-}
-
-
-/* Sends a manangement packet
- * FIXME: document the use of the arg parameter
- * for _AUTH: (transaction #) | (status << 16)
- */
-int
-ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
-	void *ptrarg, u32 type, u32 arg)
-{
-	void *pkt = NULL;
-	u32 pkt_size = 0;
-	int encrypt_mpdu = 0;
-
-	switch(type) {
-	case IEEE80211_STYPE_ASSOC_REQ:
-		pkt_size = ieee80211softmac_assoc_req((struct ieee80211_assoc_request **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg);
-		break;
-	case IEEE80211_STYPE_REASSOC_REQ:
-		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), &encrypt_mpdu);
-		break;
-	case IEEE80211_STYPE_DISASSOC:
-	case IEEE80211_STYPE_DEAUTH:
-		pkt_size = ieee80211softmac_disassoc_deauth((struct ieee80211_disassoc **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, type, (u16)(arg & 0xFFFF));
-		break;
-	case IEEE80211_STYPE_PROBE_REQ:
-		pkt_size = ieee80211softmac_probe_req((struct ieee80211_probe_request **)(&pkt), mac, (struct ieee80211softmac_essid *)ptrarg);
-		break;
-	case IEEE80211_STYPE_PROBE_RESP:
-		pkt_size = ieee80211softmac_probe_resp((struct ieee80211_probe_response **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg);
-		break;
-	default:
-		printkl(KERN_DEBUG PFX "Unsupported Management Frame type: %i\n", type);
-		return -EINVAL;
-	};
-
-	if(pkt_size == 0 || pkt == NULL) {
-		printkl(KERN_DEBUG PFX "Error, packet is nonexistant or 0 length\n");
-		return -ENOMEM;
-	}
-
-	/* Send the packet to the ieee80211 layer for tx */
-	/* we defined softmac->mgmt_xmit for this. Should we keep it
-	 * as it is (that means we'd need to wrap this into a txb),
-	 * modify the prototype (so it matches this function),
-	 * or get rid of it alltogether?
-	 * Does this work for you now?
-	 */
-	ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt,
-		IEEE80211_3ADDR_LEN, pkt_size, encrypt_mpdu);
-
-	kfree(pkt);
-	return 0;
-}
-
-/* Beacon handling */
-int ieee80211softmac_handle_beacon(struct net_device *dev,
-	struct ieee80211_beacon *beacon,
-	struct ieee80211_network *network)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-
-	/* This might race, but we don't really care and it's not worth
-	 * adding heavyweight locking in this fastpath.
-	 */
-	if (mac->associnfo.associated) {
-		if (memcmp(network->bssid, mac->associnfo.bssid, ETH_ALEN) == 0)
-			ieee80211softmac_process_erp(mac, network->erp_value);
-	}
-
-	return 0;
-}
-

net/ieee80211/softmac/ieee80211softmac_module.c

@@ -1,568 +0,0 @@
-/*
- * Contains some basic softmac functions along with module registration code etc.
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#include "ieee80211softmac_priv.h"
-#include <linux/sort.h>
-#include <linux/etherdevice.h>
-
-struct net_device *alloc_ieee80211softmac(int sizeof_priv)
-{
-	struct ieee80211softmac_device *softmac;
-	struct net_device *dev;
-
-	dev = alloc_ieee80211(sizeof(*softmac) + sizeof_priv);
-	if (!dev)
-		return NULL;
-	softmac = ieee80211_priv(dev);
-	softmac->wq = create_freezeable_workqueue("softmac");
-	if (!softmac->wq) {
-		free_ieee80211(dev);
-		return NULL;
-	}
-
-	softmac->dev = dev;
-	softmac->ieee = netdev_priv(dev);
-	spin_lock_init(&softmac->lock);
-
-	softmac->ieee->handle_auth = ieee80211softmac_auth_resp;
-	softmac->ieee->handle_deauth = ieee80211softmac_deauth_resp;
-	softmac->ieee->handle_assoc_response = ieee80211softmac_handle_assoc_response;
-	softmac->ieee->handle_reassoc_request = ieee80211softmac_handle_reassoc_req;
-	softmac->ieee->handle_disassoc = ieee80211softmac_handle_disassoc;
-	softmac->ieee->handle_beacon = ieee80211softmac_handle_beacon;
-	softmac->scaninfo = NULL;
-
-	softmac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
-
-	/* TODO: initialise all the other callbacks in the ieee struct
-	 *	 (once they're written)
-	 */
-
-	INIT_LIST_HEAD(&softmac->auth_queue);
-	INIT_LIST_HEAD(&softmac->network_list);
-	INIT_LIST_HEAD(&softmac->events);
-
-	mutex_init(&softmac->associnfo.mutex);
-	INIT_DELAYED_WORK(&softmac->associnfo.work, ieee80211softmac_assoc_work);
-	INIT_DELAYED_WORK(&softmac->associnfo.timeout, ieee80211softmac_assoc_timeout);
-	softmac->start_scan = ieee80211softmac_start_scan_implementation;
-	softmac->wait_for_scan = ieee80211softmac_wait_for_scan_implementation;
-	softmac->stop_scan = ieee80211softmac_stop_scan_implementation;
-
-	/* to start with, we can't send anything ... */
-	netif_carrier_off(dev);
-
-	return dev;
-}
-EXPORT_SYMBOL_GPL(alloc_ieee80211softmac);
-
-/* Clears the pending work queue items, stops all scans, etc. */
-void
-ieee80211softmac_clear_pending_work(struct ieee80211softmac_device *sm)
-{
-	unsigned long flags;
-	struct ieee80211softmac_event *eventptr, *eventtmp;
-	struct ieee80211softmac_auth_queue_item *authptr, *authtmp;
-	struct ieee80211softmac_network *netptr, *nettmp;
-
-	ieee80211softmac_stop_scan(sm);
-	ieee80211softmac_wait_for_scan(sm);
-
-	spin_lock_irqsave(&sm->lock, flags);
-	sm->running = 0;
-
-	/* Free all pending assoc work items */
-	cancel_delayed_work(&sm->associnfo.work);
-
-	/* Free all pending scan work items */
-	if(sm->scaninfo != NULL)
-		cancel_delayed_work(&sm->scaninfo->softmac_scan);
-
-	/* Free all pending auth work items */
-	list_for_each_entry(authptr, &sm->auth_queue, list)
-		cancel_delayed_work(&authptr->work);
-
-	/* delete all pending event calls and work items */
-	list_for_each_entry_safe(eventptr, eventtmp, &sm->events, list)
-		cancel_delayed_work(&eventptr->work);
-
-	spin_unlock_irqrestore(&sm->lock, flags);
-	flush_workqueue(sm->wq);
-
-	/* now we should be save and no longer need locking... */
-	spin_lock_irqsave(&sm->lock, flags);
-	/* Free all pending auth work items */
-	list_for_each_entry_safe(authptr, authtmp, &sm->auth_queue, list) {
-		list_del(&authptr->list);
-		kfree(authptr);
-	}
-
-	/* delete all pending event calls and work items */
-	list_for_each_entry_safe(eventptr, eventtmp, &sm->events, list) {
-		list_del(&eventptr->list);
-		kfree(eventptr);
-	}
-
-	/* Free all networks */
-	list_for_each_entry_safe(netptr, nettmp, &sm->network_list, list) {
-		ieee80211softmac_del_network_locked(sm, netptr);
-		if(netptr->challenge != NULL)
-			kfree(netptr->challenge);
-		kfree(netptr);
-	}
-
-	spin_unlock_irqrestore(&sm->lock, flags);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_clear_pending_work);
-
-void free_ieee80211softmac(struct net_device *dev)
-{
-	struct ieee80211softmac_device *sm = ieee80211_priv(dev);
-	ieee80211softmac_clear_pending_work(sm);
-	kfree(sm->scaninfo);
-	kfree(sm->wpa.IE);
-	destroy_workqueue(sm->wq);
-	free_ieee80211(dev);
-}
-EXPORT_SYMBOL_GPL(free_ieee80211softmac);
-
-static void ieee80211softmac_start_check_rates(struct ieee80211softmac_device *mac)
-{
-	struct ieee80211softmac_ratesinfo *ri = &mac->ratesinfo;
-	/* I took out the sorting check, we're seperating by modulation now. */
-	if (ri->count)
-		return;
-	/* otherwise assume we hav'em all! */
-	if (mac->ieee->modulation & IEEE80211_CCK_MODULATION) {
-		ri->rates[ri->count++] = IEEE80211_CCK_RATE_1MB;
-		ri->rates[ri->count++] = IEEE80211_CCK_RATE_2MB;
-		ri->rates[ri->count++] = IEEE80211_CCK_RATE_5MB;
-		ri->rates[ri->count++] = IEEE80211_CCK_RATE_11MB;
-	}
-	if (mac->ieee->modulation & IEEE80211_OFDM_MODULATION) {
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_6MB;
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_9MB;
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_12MB;
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_18MB;
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_24MB;
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_36MB;
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_48MB;
-		ri->rates[ri->count++] = IEEE80211_OFDM_RATE_54MB;
-	}
-}
-
-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;
-}
-
-u8 ieee80211softmac_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)
-		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;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_highest_supported_rate);
-
-void ieee80211softmac_process_erp(struct ieee80211softmac_device *mac,
-	u8 erp_value)
-{
-	int use_protection;
-	int short_preamble;
-	u32 changes = 0;
-
-	/* Barker preamble mode */
-	short_preamble = ((erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0
-			  && mac->associnfo.short_preamble_available) ? 1 : 0;
-
-	/* Protection needed? */
-	use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
-
-	if (mac->bssinfo.short_preamble != short_preamble) {
-		changes |= IEEE80211SOFTMAC_BSSINFOCHG_SHORT_PREAMBLE;
-		mac->bssinfo.short_preamble = short_preamble;
-	}
-
-	if (mac->bssinfo.use_protection != use_protection) {
-		changes |= IEEE80211SOFTMAC_BSSINFOCHG_PROTECTION;
-		mac->bssinfo.use_protection = use_protection;
-	}
-
-	if (mac->bssinfo_change && changes)
-		mac->bssinfo_change(mac->dev, changes);
-}
-
-void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac)
-{
-	struct ieee80211softmac_txrates *txrates = &mac->txrates;
-	u32 change = 0;
-
-	change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
-	txrates->default_rate = ieee80211softmac_highest_supported_rate(mac, &mac->bssinfo.supported_rates, 0);
-
-	change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
-	txrates->default_fallback = lower_rate(mac, txrates->default_rate);
-
-	change |= IEEE80211SOFTMAC_TXRATECHG_MCAST;
-	txrates->mcast_rate = ieee80211softmac_highest_supported_rate(mac, &mac->bssinfo.supported_rates, 1);
-
-	if (mac->txrates_change)
-		mac->txrates_change(mac->dev, change);
-
-}
-
-void ieee80211softmac_init_bss(struct ieee80211softmac_device *mac)
-{
-	struct ieee80211_device *ieee = mac->ieee;
-	u32 change = 0;
-	struct ieee80211softmac_txrates *txrates = &mac->txrates;
-	struct ieee80211softmac_bss_info *bssinfo = &mac->bssinfo;
-
-	/* TODO: We need some kind of state machine to lower the default rates
-	 *       if we loose too many packets.
-	 */
-	/* Change the default txrate to the highest possible value.
-	 * The txrate machine will lower it, if it is too high.
-	 */
-	if (ieee->modulation & IEEE80211_OFDM_MODULATION)
-		txrates->user_rate = IEEE80211_OFDM_RATE_24MB;
-	else
-		txrates->user_rate = IEEE80211_CCK_RATE_11MB;
-
-	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(mac->dev, change);
-
-	change = 0;
-
-	bssinfo->supported_rates.count = 0;
-	memset(bssinfo->supported_rates.rates, 0,
-		sizeof(bssinfo->supported_rates.rates));
-	change |= IEEE80211SOFTMAC_BSSINFOCHG_RATES;
-
-	bssinfo->short_preamble = 0;
-	change |= IEEE80211SOFTMAC_BSSINFOCHG_SHORT_PREAMBLE;
-
-	bssinfo->use_protection = 0;
-	change |= IEEE80211SOFTMAC_BSSINFOCHG_PROTECTION;
-
-	if (mac->bssinfo_change)
-		mac->bssinfo_change(mac->dev, change);
-
-	mac->running = 1;
-}
-
-void ieee80211softmac_start(struct net_device *dev)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-
-	ieee80211softmac_start_check_rates(mac);
-	ieee80211softmac_init_bss(mac);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_start);
-
-void ieee80211softmac_stop(struct net_device *dev)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-
-	ieee80211softmac_clear_pending_work(mac);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_stop);
-
-void ieee80211softmac_set_rates(struct net_device *dev, u8 count, u8 *rates)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	unsigned long flags;
-
-	spin_lock_irqsave(&mac->lock, flags);
-	memcpy(mac->ratesinfo.rates, rates, count);
-	mac->ratesinfo.count = count;
-	spin_unlock_irqrestore(&mac->lock, flags);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_set_rates);
-
-static u8 raise_rate(struct ieee80211softmac_device *mac, u8 rate)
-{
-	int i;
-	struct ieee80211softmac_ratesinfo *ri = &mac->ratesinfo;
-
-	for (i=0; i<ri->count-1; i++) {
-		if (ri->rates[i] == rate)
-			return ri->rates[i+1];
-	}
-	/* I guess we can't go any higher... */
-	return ri->rates[ri->count];
-}
-
-u8 ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device *mac, u8 rate, int delta)
-{
-	int i;
-	struct ieee80211softmac_ratesinfo *ri = &mac->ratesinfo;
-
-	for (i=delta; i<ri->count; i++) {
-		if (ri->rates[i] == rate)
-			return ri->rates[i-delta];
-	}
-	/* I guess we can't go any lower... */
-	return ri->rates[0];
-}
-
-static void ieee80211softmac_add_txrates_badness(struct ieee80211softmac_device *mac,
-						 int amount)
-{
-	u8 default_rate = mac->txrates.default_rate;
-	u8 default_fallback = mac->txrates.default_fallback;
-	u32 changes = 0;
-
-	//TODO: This is highly experimental code.
-	//      Maybe the dynamic rate selection does not work
-	//      and it has to be removed again.
-
-printk("badness %d\n", mac->txrate_badness);
-	mac->txrate_badness += amount;
-	if (mac->txrate_badness <= -1000) {
-		/* Very small badness. Try a faster bitrate. */
-		default_rate = raise_rate(mac, default_rate);
-		changes |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
-		default_fallback = get_fallback_rate(mac, default_rate);
-		changes |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
-		mac->txrate_badness = 0;
-printk("Bitrate raised to %u\n", default_rate);
-	} else if (mac->txrate_badness >= 10000) {
-		/* Very high badness. Try a slower bitrate. */
-		default_rate = lower_rate(mac, default_rate);
-		changes |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
-		default_fallback = get_fallback_rate(mac, default_rate);
-		changes |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
-		mac->txrate_badness = 0;
-printk("Bitrate lowered to %u\n", default_rate);
-	}
-
-	mac->txrates.default_rate = default_rate;
-	mac->txrates.default_fallback = default_fallback;
-
-	if (changes && mac->txrates_change)
-		mac->txrates_change(mac->dev, changes);
-}
-
-void ieee80211softmac_fragment_lost(struct net_device *dev,
-				    u16 wl_seq)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	unsigned long flags;
-
-	spin_lock_irqsave(&mac->lock, flags);
-	ieee80211softmac_add_txrates_badness(mac, 1000);
-	//TODO
-
-	spin_unlock_irqrestore(&mac->lock, flags);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_fragment_lost);
-
-static int rate_cmp(const void *a_, const void *b_) {
-	u8 *a, *b;
-	a = (u8*)a_;
-	b = (u8*)b_;
-	return ((*a & ~IEEE80211_BASIC_RATE_MASK) - (*b & ~IEEE80211_BASIC_RATE_MASK));
-}
-
-/* Allocate a softmac network struct and fill it from a network */
-struct ieee80211softmac_network *
-ieee80211softmac_create_network(struct ieee80211softmac_device *mac,
-	struct ieee80211_network *net)
-{
-	struct ieee80211softmac_network *softnet;
-	softnet = kzalloc(sizeof(struct ieee80211softmac_network), GFP_ATOMIC);
-	if(softnet == NULL)
-		return NULL;
-	memcpy(softnet->bssid, net->bssid, ETH_ALEN);
-	softnet->channel = net->channel;
-	softnet->essid.len = net->ssid_len;
-	memcpy(softnet->essid.data, net->ssid, softnet->essid.len);
-
-	/* copy rates over */
-	softnet->supported_rates.count = net->rates_len;
-	memcpy(&softnet->supported_rates.rates[0], net->rates, net->rates_len);
-	memcpy(&softnet->supported_rates.rates[softnet->supported_rates.count], net->rates_ex, net->rates_ex_len);
-	softnet->supported_rates.count += net->rates_ex_len;
-	sort(softnet->supported_rates.rates, softnet->supported_rates.count, sizeof(softnet->supported_rates.rates[0]), rate_cmp, NULL);
-
-	/* we save the ERP value because it is needed at association time, and
-	 * many AP's do not include an ERP IE in the association response. */
-	softnet->erp_value = net->erp_value;
-
-	softnet->capabilities = net->capability;
-	return softnet;
-}
-
-
-/* Add a network to the list, while locked */
-void
-ieee80211softmac_add_network_locked(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *add_net)
-{
-	struct ieee80211softmac_network *softmac_net;
-
-	list_for_each_entry(softmac_net, &mac->network_list, list) {
-		if(!memcmp(softmac_net->bssid, add_net->bssid, ETH_ALEN))
-			return;
-	}
-	list_add(&(add_net->list), &mac->network_list);
-}
-
-/* Add a network to the list, with locking */
-void
-ieee80211softmac_add_network(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *add_net)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&mac->lock, flags);
-	ieee80211softmac_add_network_locked(mac, add_net);
-	spin_unlock_irqrestore(&mac->lock, flags);
-}
-
-
-/* Delete a network from the list, while locked*/
-void
-ieee80211softmac_del_network_locked(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *del_net)
-{
-	list_del(&(del_net->list));
-}
-
-/* Delete a network from the list with locking */
-void
-ieee80211softmac_del_network(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *del_net)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&mac->lock, flags);
-	ieee80211softmac_del_network_locked(mac, del_net);
-	spin_unlock_irqrestore(&mac->lock, flags);
-}
-
-/* Get a network from the list by MAC while locked */
-struct ieee80211softmac_network *
-ieee80211softmac_get_network_by_bssid_locked(struct ieee80211softmac_device *mac,
-	u8 *bssid)
-{
-	struct ieee80211softmac_network *softmac_net;
-
-	list_for_each_entry(softmac_net, &mac->network_list, list) {
-		if(!memcmp(softmac_net->bssid, bssid, ETH_ALEN))
-			return softmac_net;
-	}
-	return NULL;
-}
-
-/* Get a network from the list by BSSID with locking */
-struct ieee80211softmac_network *
-ieee80211softmac_get_network_by_bssid(struct ieee80211softmac_device *mac,
-	u8 *bssid)
-{
-	unsigned long flags;
-	struct ieee80211softmac_network *softmac_net;
-
-	spin_lock_irqsave(&mac->lock, flags);
-	softmac_net = ieee80211softmac_get_network_by_bssid_locked(mac, bssid);
-	spin_unlock_irqrestore(&mac->lock, flags);
-	return softmac_net;
-}
-
-/* Get a network from the list by ESSID while locked */
-struct ieee80211softmac_network *
-ieee80211softmac_get_network_by_essid_locked(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_essid *essid)
-{
-	struct ieee80211softmac_network *softmac_net;
-
-	list_for_each_entry(softmac_net, &mac->network_list, list) {
-		if (softmac_net->essid.len == essid->len &&
-			!memcmp(softmac_net->essid.data, essid->data, essid->len))
-			return softmac_net;
-	}
-	return NULL;
-}
-
-/* Get a network from the list by ESSID with locking */
-struct ieee80211softmac_network *
-ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_essid *essid)
-{
-	unsigned long flags;
-	struct ieee80211softmac_network *softmac_net = NULL;
-
-	spin_lock_irqsave(&mac->lock, flags);
-	softmac_net = ieee80211softmac_get_network_by_essid_locked(mac, essid);
-	spin_unlock_irqrestore(&mac->lock, flags);
-	return softmac_net;
-}
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Johannes Berg");
-MODULE_AUTHOR("Joseph Jezak");
-MODULE_AUTHOR("Larry Finger");
-MODULE_AUTHOR("Danny van Dyk");
-MODULE_AUTHOR("Michael Buesch");
-MODULE_DESCRIPTION("802.11 software MAC");

net/ieee80211/softmac/ieee80211softmac_priv.h

@@ -1,244 +0,0 @@
-/*
- * Internal softmac API definitions.
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#ifndef IEEE80211SOFTMAC_PRIV_H_
-#define IEEE80211SOFTMAC_PRIV_H_
-
-#include <net/ieee80211softmac.h>
-#include <net/ieee80211softmac_wx.h>
-#include <linux/kernel.h>
-#include <linux/stringify.h>
-
-
-#define PFX				"SoftMAC: "
-
-#ifdef assert
-# undef assert
-#endif
-#ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
-#define assert(expr) \
-	do {										\
-		if (unlikely(!(expr))) {						\
-		printkl(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", #expr,	\
-			__FILE__, __LINE__, __func__);				\
-		}									\
-	} while (0)
-#else
-#define assert(expr) do {} while (0)
-#endif
-
-/* rate limited printk(). */
-#ifdef printkl
-# undef printkl
-#endif
-#define printkl(f, x...)  do { if (printk_ratelimit()) printk(f ,##x); } while (0)
-/* rate limited printk() for debugging */
-#ifdef dprintkl
-# undef dprintkl
-#endif
-#ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
-# define dprintkl		printkl
-#else
-# define dprintkl(f, x...)	do { /* nothing */ } while (0)
-#endif
-
-/* debugging printk() */
-#ifdef dprintk
-# undef dprintk
-#endif
-#ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
-# define dprintk(f, x...)  do { printk(f ,##x); } while (0)
-#else
-# define dprintk(f, x...)  do { /* nothing */ } while (0)
-#endif
-
-/* private definitions and prototypes */
-
-/*** prototypes from _scan.c */
-void ieee80211softmac_scan(struct work_struct *work);
-/* for internal use if scanning is needed */
-int ieee80211softmac_start_scan(struct ieee80211softmac_device *mac);
-void ieee80211softmac_stop_scan(struct ieee80211softmac_device *mac);
-void ieee80211softmac_wait_for_scan(struct ieee80211softmac_device *mac);
-
-/* for use by _module.c to assign to the callbacks */
-int ieee80211softmac_start_scan_implementation(struct net_device *dev);
-void ieee80211softmac_stop_scan_implementation(struct net_device *dev);
-void ieee80211softmac_wait_for_scan_implementation(struct net_device *dev);
-
-/*** Network prototypes from _module.c */
-struct ieee80211softmac_network * ieee80211softmac_create_network(
-	struct ieee80211softmac_device *mac, struct ieee80211_network *net);
-void ieee80211softmac_add_network_locked(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net);
-void ieee80211softmac_add_network(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net);
-void ieee80211softmac_del_network_locked(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net);
-void ieee80211softmac_del_network(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net);
-struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid_locked(
-	struct ieee80211softmac_device *mac, u8 *ea);
-struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid(
-	struct ieee80211softmac_device *mac, u8 *ea);
-struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid_locked(
-	struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
-struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid(
-	struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
-struct ieee80211softmac_network *
-ieee80211softmac_get_network_by_essid_locked(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_essid *essid);
-struct ieee80211softmac_network *
-ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_essid *essid);
-
-/* Rates related */
-void ieee80211softmac_process_erp(struct ieee80211softmac_device *mac,
-	u8 erp_value);
-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_bss(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);
-}
-
-static inline u8 get_fallback_rate(struct ieee80211softmac_device *mac, u8 rate)
-{
-	return ieee80211softmac_lower_rate_delta(mac, rate, 2);
-}
-
-
-/*** prototypes from _io.c */
-int ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
-	void* ptrarg, u32 type, u32 arg);
-int ieee80211softmac_handle_beacon(struct net_device *dev,
-	struct ieee80211_beacon *beacon,
-	struct ieee80211_network *network);
-
-/*** prototypes from _auth.c */
-/* do these have to go into the public header? */
-int ieee80211softmac_auth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net);
-int ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net, int reason);
-
-/* for use by _module.c to assign to the callbacks */
-int ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth);
-int ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *deauth);
-
-/*** prototypes from _assoc.c */
-void ieee80211softmac_assoc_work(struct work_struct *work);
-int ieee80211softmac_handle_assoc_response(struct net_device * dev,
-					   struct ieee80211_assoc_response * resp,
-					   struct ieee80211_network * network);
-int ieee80211softmac_handle_disassoc(struct net_device * dev,
-				     struct ieee80211_disassoc * disassoc);
-int ieee80211softmac_handle_reassoc_req(struct net_device * dev,
-					struct ieee80211_reassoc_request * reassoc);
-void ieee80211softmac_assoc_timeout(struct work_struct *work);
-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)
-{
-	return (sm->start_scan == ieee80211softmac_start_scan_implementation) &&
-		(sm->stop_scan == ieee80211softmac_stop_scan_implementation) &&
-		(sm->wait_for_scan == ieee80211softmac_wait_for_scan_implementation);
-}
-
-static inline int ieee80211softmac_scan_sanity_check(struct ieee80211softmac_device *sm)
-{
-	return ((sm->start_scan != ieee80211softmac_start_scan_implementation) &&
-		(sm->stop_scan != ieee80211softmac_stop_scan_implementation) &&
-		(sm->wait_for_scan != ieee80211softmac_wait_for_scan_implementation)
-		) || ieee80211softmac_scan_handlers_check_self(sm);
-}
-
-#define IEEE80211SOFTMAC_PROBE_DELAY		HZ/50
-#define IEEE80211SOFTMAC_WORKQUEUE_NAME_LEN	(17 + IFNAMSIZ)
-
-struct ieee80211softmac_network {
-	struct list_head		list;	/* List */
-	/* Network information copied from ieee80211_network */
-	u8 bssid[ETH_ALEN];
-	u8 channel;
-	struct ieee80211softmac_essid essid;
-
-	struct ieee80211softmac_ratesinfo supported_rates;
-
-	/* SoftMAC specific */
-	u16 authenticating:1,			/* Status Flags */
-	    authenticated:1,
-	    auth_desynced_once:1;
-
-	u8 erp_value;				/* Saved ERP value */
-	u16 capabilities;			/* Capabilities bitfield */
-	u8 challenge_len;			/* Auth Challenge length */
-	char *challenge;			/* Challenge Text */
-};
-
-/* structure used to keep track of networks we're auth'ing to */
-struct ieee80211softmac_auth_queue_item {
-	struct list_head		list;	/* List head */
-	struct ieee80211softmac_network	*net;	/* Network to auth */
-	struct ieee80211softmac_device	*mac;	/* SoftMAC device */
-	u8 retry;				/* Retry limit */
-	u8 state;				/* Auth State */
-	struct delayed_work		work;	/* Work queue */
-};
-
-/* scanning information */
-struct ieee80211softmac_scaninfo {
-	u8 current_channel_idx,
-	   number_channels;
-	struct ieee80211_channel *channels;
-	u8 started:1,
-	   stop:1;
-	u8 skip_flags;
-	struct completion finished;
-	struct delayed_work softmac_scan;
-	struct ieee80211softmac_device *mac;
-};
-
-/* private event struct */
-struct ieee80211softmac_event {
-	struct list_head list;
-	int event_type;
-	void *event_context;
-	struct delayed_work work;
-	notify_function_ptr fun;
-	void *context;
-	struct ieee80211softmac_device *mac;
-};
-
-void ieee80211softmac_call_events(struct ieee80211softmac_device *mac, int event, void *event_context);
-void ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int event, void *event_context);
-int ieee80211softmac_notify_internal(struct ieee80211softmac_device *mac,
-	int event, void *event_context, notify_function_ptr fun, void *context, gfp_t gfp_mask);
-
-void ieee80211softmac_try_reassoc(struct ieee80211softmac_device *mac);
-
-#endif /* IEEE80211SOFTMAC_PRIV_H_ */

net/ieee80211/softmac/ieee80211softmac_scan.c

@@ -1,254 +0,0 @@
-/*
- * Scanning routines.
- *
- * These are not exported because they're assigned to the function pointers.
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#include <linux/completion.h>
-#include "ieee80211softmac_priv.h"
-
-/* internal, use to trigger scanning if needed.
- * Returns -EBUSY if already scanning,
- * result of start_scan otherwise */
-int
-ieee80211softmac_start_scan(struct ieee80211softmac_device *sm)
-{
-	unsigned long flags;
-	int ret;
-
-	spin_lock_irqsave(&sm->lock, flags);
-	if (sm->scanning)
-	{
-		spin_unlock_irqrestore(&sm->lock, flags);
-		return -EINPROGRESS;
-	}
-	sm->scanning = 1;
-	spin_unlock_irqrestore(&sm->lock, flags);
-
-	ret = sm->start_scan(sm->dev);
-	if (ret) {
-		spin_lock_irqsave(&sm->lock, flags);
-		sm->scanning = 0;
-		spin_unlock_irqrestore(&sm->lock, flags);
-	}
-	return ret;
-}
-
-void
-ieee80211softmac_stop_scan(struct ieee80211softmac_device *sm)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sm->lock, flags);
-
-	if (!sm->scanning) {
-		spin_unlock_irqrestore(&sm->lock, flags);
-		return;
-	}
-
-	spin_unlock_irqrestore(&sm->lock, flags);
-	sm->stop_scan(sm->dev);
-}
-
-void
-ieee80211softmac_wait_for_scan(struct ieee80211softmac_device *sm)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sm->lock, flags);
-
-	if (!sm->scanning) {
-		spin_unlock_irqrestore(&sm->lock, flags);
-		return;
-	}
-
-	spin_unlock_irqrestore(&sm->lock, flags);
-	sm->wait_for_scan(sm->dev);
-}
-
-
-/* internal scanning implementation follows */
-void ieee80211softmac_scan(struct work_struct *work)
-{
-	int invalid_channel;
-	u8 current_channel_idx;
-	struct ieee80211softmac_scaninfo *si =
-		container_of(work, struct ieee80211softmac_scaninfo,
-			     softmac_scan.work);
-	struct ieee80211softmac_device *sm = si->mac;
-	unsigned long flags;
-
-	while (!(si->stop) && (si->current_channel_idx < si->number_channels)) {
-		current_channel_idx = si->current_channel_idx;
-		si->current_channel_idx++; /* go to the next channel */
-
-		invalid_channel = (si->skip_flags & si->channels[current_channel_idx].flags);
-
-		if (!invalid_channel) {
-			sm->set_channel(sm->dev, si->channels[current_channel_idx].channel);
-			// FIXME make this user configurable (active/passive)
-			if(ieee80211softmac_send_mgt_frame(sm, NULL, IEEE80211_STYPE_PROBE_REQ, 0))
-				printkl(KERN_DEBUG PFX "Sending Probe Request Failed\n");
-
-			/* also send directed management frame for the network we're looking for */
-			// TODO: is this if correct, or should we do this only if scanning from assoc request?
-			if (sm->associnfo.req_essid.len)
-				ieee80211softmac_send_mgt_frame(sm, &sm->associnfo.req_essid, IEEE80211_STYPE_PROBE_REQ, 0);
-
-			spin_lock_irqsave(&sm->lock, flags);
-			if (unlikely(!sm->running)) {
-				/* Prevent reschedule on workqueue flush */
-				spin_unlock_irqrestore(&sm->lock, flags);
-				break;
-			}
-			queue_delayed_work(sm->wq, &si->softmac_scan, IEEE80211SOFTMAC_PROBE_DELAY);
-			spin_unlock_irqrestore(&sm->lock, flags);
-			return;
-		} else {
-			dprintk(PFX "Not probing Channel %d (not allowed here)\n", si->channels[current_channel_idx].channel);
-		}
-	}
-
-	spin_lock_irqsave(&sm->lock, flags);
-	cancel_delayed_work(&si->softmac_scan);
-	si->started = 0;
-	spin_unlock_irqrestore(&sm->lock, flags);
-
-	dprintk(PFX "Scanning finished: scanned %d channels starting with channel %d\n",
-		     sm->scaninfo->number_channels, sm->scaninfo->channels[0].channel);
-	ieee80211softmac_scan_finished(sm);
-	complete_all(&sm->scaninfo->finished);
-}
-
-static inline struct ieee80211softmac_scaninfo *allocate_scaninfo(struct ieee80211softmac_device *mac)
-{
-	/* ugh. can we call this without having the spinlock held? */
-	struct ieee80211softmac_scaninfo *info = kmalloc(sizeof(struct ieee80211softmac_scaninfo), GFP_ATOMIC);
-	if (unlikely(!info))
-		return NULL;
-	INIT_DELAYED_WORK(&info->softmac_scan, ieee80211softmac_scan);
-	info->mac = mac;
-	init_completion(&info->finished);
-	return info;
-}
-
-int ieee80211softmac_start_scan_implementation(struct net_device *dev)
-{
-	struct ieee80211softmac_device *sm = ieee80211_priv(dev);
-	unsigned long flags;
-
-	if (!(dev->flags & IFF_UP))
-		return -ENODEV;
-
-	assert(ieee80211softmac_scan_handlers_check_self(sm));
-	if (!ieee80211softmac_scan_handlers_check_self(sm))
-		return -EINVAL;
-
-	spin_lock_irqsave(&sm->lock, flags);
-	/* it looks like we need to hold the lock here
-	 * to make sure we don't allocate two of these... */
-	if (unlikely(!sm->scaninfo))
-		sm->scaninfo = allocate_scaninfo(sm);
-	if (unlikely(!sm->scaninfo)) {
-		spin_unlock_irqrestore(&sm->lock, flags);
-		return -ENOMEM;
-	}
-
-	sm->scaninfo->skip_flags = IEEE80211_CH_INVALID;
-	if (0 /* not scanning in IEEE802.11b */)//TODO
-		sm->scaninfo->skip_flags |= IEEE80211_CH_B_ONLY;
-	if (0 /* IEEE802.11a */) {//TODO
-		sm->scaninfo->channels = sm->ieee->geo.a;
-		sm->scaninfo->number_channels = sm->ieee->geo.a_channels;
-	} else {
-		sm->scaninfo->channels = sm->ieee->geo.bg;
-		sm->scaninfo->number_channels = sm->ieee->geo.bg_channels;
-	}
-	sm->scaninfo->current_channel_idx = 0;
-	sm->scaninfo->started = 1;
-	sm->scaninfo->stop = 0;
-	INIT_COMPLETION(sm->scaninfo->finished);
-	queue_delayed_work(sm->wq, &sm->scaninfo->softmac_scan, 0);
-	spin_unlock_irqrestore(&sm->lock, flags);
-	return 0;
-}
-
-void ieee80211softmac_stop_scan_implementation(struct net_device *dev)
-{
-	struct ieee80211softmac_device *sm = ieee80211_priv(dev);
-	unsigned long flags;
-
-	assert(ieee80211softmac_scan_handlers_check_self(sm));
-	if (!ieee80211softmac_scan_handlers_check_self(sm))
-		return;
-
-	spin_lock_irqsave(&sm->lock, flags);
-	assert(sm->scaninfo != NULL);
-	if (sm->scaninfo) {
-		if (sm->scaninfo->started)
-			sm->scaninfo->stop = 1;
-		else
-			complete_all(&sm->scaninfo->finished);
-	}
-	spin_unlock_irqrestore(&sm->lock, flags);
-}
-
-void ieee80211softmac_wait_for_scan_implementation(struct net_device *dev)
-{
-	struct ieee80211softmac_device *sm = ieee80211_priv(dev);
-	unsigned long flags;
-
-	assert(ieee80211softmac_scan_handlers_check_self(sm));
-	if (!ieee80211softmac_scan_handlers_check_self(sm))
-		return;
-
-	spin_lock_irqsave(&sm->lock, flags);
-	if (!sm->scaninfo->started) {
-		spin_unlock_irqrestore(&sm->lock, flags);
-		return;
-	}
-	spin_unlock_irqrestore(&sm->lock, flags);
-	wait_for_completion(&sm->scaninfo->finished);
-}
-
-/* this is what drivers (that do scanning) call when they're done */
-void ieee80211softmac_scan_finished(struct ieee80211softmac_device *sm)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sm->lock, flags);
-	sm->scanning = 0;
-	spin_unlock_irqrestore(&sm->lock, flags);
-
-	if (sm->associnfo.bssvalid) {
-		struct ieee80211softmac_network *net;
-
-		net = ieee80211softmac_get_network_by_bssid(sm, sm->associnfo.bssid);
-		if (net)
-			sm->set_channel(sm->dev, net->channel);
-	}
-	ieee80211softmac_call_events(sm, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, NULL);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_scan_finished);

net/ieee80211/softmac/ieee80211softmac_wx.c

@@ -1,508 +0,0 @@
-/*
- * This file contains our _wx handlers. Make sure you EXPORT_SYMBOL_GPL them
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#include "ieee80211softmac_priv.h"
-
-#include <net/iw_handler.h>
-/* for is_broadcast_ether_addr and is_zero_ether_addr */
-#include <linux/etherdevice.h>
-
-int
-ieee80211softmac_wx_trigger_scan(struct net_device *net_dev,
-				 struct iw_request_info *info,
-				 union iwreq_data *data,
-				 char *extra)
-{
-	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
-	return ieee80211softmac_start_scan(sm);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_trigger_scan);
-
-
-/* if we're still scanning, return -EAGAIN so that userspace tools
- * can get the complete scan results, otherwise return 0. */
-int
-ieee80211softmac_wx_get_scan_results(struct net_device *net_dev,
-				     struct iw_request_info *info,
-				     union iwreq_data *data,
-				     char *extra)
-{
-	unsigned long flags;
-	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
-
-	spin_lock_irqsave(&sm->lock, flags);
-	if (sm->scanning) {
-		spin_unlock_irqrestore(&sm->lock, flags);
-		return -EAGAIN;
-	}
-	spin_unlock_irqrestore(&sm->lock, flags);
-	return ieee80211_wx_get_scan(sm->ieee, info, data, extra);
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_scan_results);
-
-int
-ieee80211softmac_wx_set_essid(struct net_device *net_dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *data,
-			      char *extra)
-{
-	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
-	struct ieee80211softmac_auth_queue_item *authptr;
-	int length = 0;
-	DECLARE_MAC_BUF(mac);
-
-check_assoc_again:
-	mutex_lock(&sm->associnfo.mutex);
-	if((sm->associnfo.associating || sm->associnfo.associated) &&
-	   (data->essid.flags && data->essid.length)) {
-		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;
-		sm->associnfo.associating = 0;
-		sm->associnfo.associated = 0;
-		/* We must unlock to avoid deadlocks with the assoc workqueue
-		 * on the associnfo.mutex */
-		mutex_unlock(&sm->associnfo.mutex);
-		flush_workqueue(sm->wq);
-		/* Avoid race! Check assoc status again. Maybe someone started an
-		 * association while we flushed. */
-		goto check_assoc_again;
-	}
-
-	sm->associnfo.static_essid = 0;
-	sm->associnfo.assoc_wait = 0;
-
-	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;
-		}
-	}
-
-	/* set our requested ESSID length.
-	 * 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) */
-	queue_delayed_work(sm->wq, &sm->associnfo.work, 0);
-
-	mutex_unlock(&sm->associnfo.mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_essid);
-
-int
-ieee80211softmac_wx_get_essid(struct net_device *net_dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *data,
-			      char *extra)
-{
-	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
-
-	mutex_lock(&sm->associnfo.mutex);
-	/* If all fails, return ANY (empty) */
-	data->essid.length = 0;
-	data->essid.flags = 0;  /* active */
-
-	/* If we have a statically configured ESSID then return it */
-	if (sm->associnfo.static_essid) {
-		data->essid.length = sm->associnfo.req_essid.len;
-		data->essid.flags = 1;  /* active */
-		memcpy(extra, sm->associnfo.req_essid.data, sm->associnfo.req_essid.len);
-		dprintk(KERN_INFO PFX "Getting essid from req_essid\n");
-	} else if (sm->associnfo.associated || sm->associnfo.associating) {
-	/* If we're associating/associated, return that */
-		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);
-		dprintk(KERN_INFO PFX "Getting essid from associate_essid\n");
-	}
-	mutex_unlock(&sm->associnfo.mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_essid);
-
-int
-ieee80211softmac_wx_set_rate(struct net_device *net_dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *data,
-			     char *extra)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
-	struct ieee80211_device *ieee = mac->ieee;
-	unsigned long flags;
-	s32 in_rate = data->bitrate.value;
-	u8 rate;
-	int is_ofdm = 0;
-	int err = -EINVAL;
-
-	if (in_rate == -1) {
-		if (ieee->modulation & IEEE80211_OFDM_MODULATION)
-			in_rate = 24000000;
-		else
-			in_rate = 11000000;
-	}
-
-	switch (in_rate) {
-	case 1000000:
-		rate = IEEE80211_CCK_RATE_1MB;
-		break;
-	case 2000000:
-		rate = IEEE80211_CCK_RATE_2MB;
-		break;
-	case 5500000:
-		rate = IEEE80211_CCK_RATE_5MB;
-		break;
-	case 11000000:
-		rate = IEEE80211_CCK_RATE_11MB;
-		break;
-	case 6000000:
-		rate = IEEE80211_OFDM_RATE_6MB;
-		is_ofdm = 1;
-		break;
-	case 9000000:
-		rate = IEEE80211_OFDM_RATE_9MB;
-		is_ofdm = 1;
-		break;
-	case 12000000:
-		rate = IEEE80211_OFDM_RATE_12MB;
-		is_ofdm = 1;
-		break;
-	case 18000000:
-		rate = IEEE80211_OFDM_RATE_18MB;
-		is_ofdm = 1;
-		break;
-	case 24000000:
-		rate = IEEE80211_OFDM_RATE_24MB;
-		is_ofdm = 1;
-		break;
-	case 36000000:
-		rate = IEEE80211_OFDM_RATE_36MB;
-		is_ofdm = 1;
-		break;
-	case 48000000:
-		rate = IEEE80211_OFDM_RATE_48MB;
-		is_ofdm = 1;
-		break;
-	case 54000000:
-		rate = IEEE80211_OFDM_RATE_54MB;
-		is_ofdm = 1;
-		break;
-	default:
-		goto out;
-	}
-
-	spin_lock_irqsave(&mac->lock, flags);
-
-	/* Check if correct modulation for this PHY. */
-	if (is_ofdm && !(ieee->modulation & IEEE80211_OFDM_MODULATION))
-		goto out_unlock;
-
-	mac->txrates.user_rate = rate;
-	ieee80211softmac_recalc_txrates(mac);
-	err = 0;
-
-out_unlock:
-	spin_unlock_irqrestore(&mac->lock, flags);
-out:
-	return err;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_rate);
-
-int
-ieee80211softmac_wx_get_rate(struct net_device *net_dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *data,
-			     char *extra)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
-	unsigned long flags;
-	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;
-		break;
-	case IEEE80211_CCK_RATE_2MB:
-		data->bitrate.value = 2000000;
-		break;
-	case IEEE80211_CCK_RATE_5MB:
-		data->bitrate.value = 5500000;
-		break;
-	case IEEE80211_CCK_RATE_11MB:
-		data->bitrate.value = 11000000;
-		break;
-	case IEEE80211_OFDM_RATE_6MB:
-		data->bitrate.value = 6000000;
-		break;
-	case IEEE80211_OFDM_RATE_9MB:
-		data->bitrate.value = 9000000;
-		break;
-	case IEEE80211_OFDM_RATE_12MB:
-		data->bitrate.value = 12000000;
-		break;
-	case IEEE80211_OFDM_RATE_18MB:
-		data->bitrate.value = 18000000;
-		break;
-	case IEEE80211_OFDM_RATE_24MB:
-		data->bitrate.value = 24000000;
-		break;
-	case IEEE80211_OFDM_RATE_36MB:
-		data->bitrate.value = 36000000;
-		break;
-	case IEEE80211_OFDM_RATE_48MB:
-		data->bitrate.value = 48000000;
-		break;
-	case IEEE80211_OFDM_RATE_54MB:
-		data->bitrate.value = 54000000;
-		break;
-	default:
-		assert(0);
-		goto out_unlock;
-	}
-	err = 0;
-out_unlock:
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	return err;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_rate);
-
-int
-ieee80211softmac_wx_get_wap(struct net_device *net_dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *data,
-			    char *extra)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
-	int err = 0;
-
-	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;
-	mutex_unlock(&mac->associnfo.mutex);
-
-	return err;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_wap);
-
-int
-ieee80211softmac_wx_set_wap(struct net_device *net_dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *data,
-			    char *extra)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
-
-	/* sanity check */
-	if (data->ap_addr.sa_family != ARPHRD_ETHER) {
-		return -EINVAL;
-	}
-
-	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->associnfo.associated)
-			queue_delayed_work(mac->wq, &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->associnfo.associated) {
-			/* bssid unchanged and associated or associating - just return */
-				goto out;
-			}
-		} else {
-			/* copy new value in data->ap_addr.sa_data to bssid */
-			memcpy(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN);
-		}
-		/* 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) */
-		queue_delayed_work(mac->wq, &mac->associnfo.work, 0);
-	}
-
- out:
-	mutex_unlock(&mac->associnfo.mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_wap);
-
-int
-ieee80211softmac_wx_set_genie(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	unsigned long flags;
-	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... */
-
-	if (wrqu->data.length) {
-		if ((wrqu->data.length < 2) || (extra[1]+2 != wrqu->data.length)) {
-			/* this is an IE, so the length must be
-			 * correct. Is it possible though that
-			 * more than one IE is passed in?
-			 */
-			err = -EINVAL;
-			goto out;
-		}
-		if (mac->wpa.IEbuflen <= wrqu->data.length) {
-			buf = kmalloc(wrqu->data.length, GFP_ATOMIC);
-			if (!buf) {
-				err = -ENOMEM;
-				goto out;
-			}
-			kfree(mac->wpa.IE);
-			mac->wpa.IE = buf;
-			mac->wpa.IEbuflen = wrqu->data.length;
-		}
-		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", (u8)mac->wpa.IE[i]);
-		dprintk("\n");
-		mac->wpa.IElen = wrqu->data.length;
-	} else {
-		kfree(mac->wpa.IE);
-		mac->wpa.IE = NULL;
-		mac->wpa.IElen = 0;
-		mac->wpa.IEbuflen = 0;
-	}
-
- out:
-	spin_unlock_irqrestore(&mac->lock, flags);
-	mutex_unlock(&mac->associnfo.mutex);
-
-	return err;
-}
-EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_genie);
-
-int
-ieee80211softmac_wx_get_genie(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra)
-{
-	struct ieee80211softmac_device *mac = ieee80211_priv(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;
-
-	if (mac->wpa.IE && mac->wpa.IElen) {
-		wrqu->data.length = mac->wpa.IElen;
-		if (mac->wpa.IElen <= space)
-			memcpy(extra, mac->wpa.IE, mac->wpa.IElen);
-		else
-			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 = 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);