1 files changed, 0 insertions, 254 deletions
diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c
deleted file mode 100644
index bfab8d7db88f..000000000000
--- a/net/ieee80211/softmac/ieee80211softmac_scan.c
+++ /dev/null
@@ -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);