#include <linux/etherdevice.h>
#include <linux/if_arp.h>
+#include <linux/slab.h>
#include <net/cfg80211.h>
+#include "wext-compat.h"
#include "nl80211.h"
-void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
+void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_bss *bss;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
union iwreq_data wrqu;
#endif
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return;
- if (WARN_ON(!wdev->ssid_len))
- return;
-
- if (memcmp(bssid, wdev->bssid, ETH_ALEN) == 0)
+ if (!wdev->ssid_len)
return;
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
}
- cfg80211_hold_bss(bss);
- wdev->current_bss = bss;
- memcpy(wdev->bssid, bssid, ETH_ALEN);
+ cfg80211_hold_bss(bss_from_pub(bss));
+ wdev->current_bss = bss_from_pub(bss);
- nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, gfp);
-#ifdef CONFIG_WIRELESS_EXT
+ cfg80211_upload_connect_keys(wdev);
+
+ nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid,
+ GFP_KERNEL);
+#ifdef CONFIG_CFG80211_WEXT
memset(&wrqu, 0, sizeof(wrqu));
memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
#endif
}
+
+void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct cfg80211_event *ev;
+ unsigned long flags;
+
+ CFG80211_DEV_WARN_ON(!wdev->ssid_len);
+
+ ev = kzalloc(sizeof(*ev), gfp);
+ if (!ev)
+ return;
+
+ ev->type = EVENT_IBSS_JOINED;
+ memcpy(ev->cr.bssid, bssid, ETH_ALEN);
+
+ spin_lock_irqsave(&wdev->event_lock, flags);
+ list_add_tail(&ev->list, &wdev->event_list);
+ spin_unlock_irqrestore(&wdev->event_lock, flags);
+ queue_work(cfg80211_wq, &rdev->event_work);
+}
EXPORT_SYMBOL(cfg80211_ibss_joined);
-int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_ibss_params *params)
+int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_ibss_params *params,
+ struct cfg80211_cached_keys *connkeys)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
+ ASSERT_WDEV_LOCK(wdev);
+
if (wdev->ssid_len)
return -EALREADY;
-#ifdef CONFIG_WIRELESS_EXT
- wdev->wext.channel = params->channel;
+ if (!params->basic_rates) {
+ /*
+ * If no rates were explicitly configured,
+ * use the mandatory rate set for 11b or
+ * 11a for maximum compatibility.
+ */
+ struct ieee80211_supported_band *sband =
+ rdev->wiphy.bands[params->channel->band];
+ int j;
+ u32 flag = params->channel->band == IEEE80211_BAND_5GHZ ?
+ IEEE80211_RATE_MANDATORY_A :
+ IEEE80211_RATE_MANDATORY_B;
+
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].flags & flag)
+ params->basic_rates |= BIT(j);
+ }
+ }
+
+ if (WARN_ON(wdev->connect_keys))
+ kfree(wdev->connect_keys);
+ wdev->connect_keys = connkeys;
+
+#ifdef CONFIG_CFG80211_WEXT
+ wdev->wext.ibss.channel = params->channel;
#endif
err = rdev->ops->join_ibss(&rdev->wiphy, dev, params);
-
- if (err)
+ if (err) {
+ wdev->connect_keys = NULL;
return err;
+ }
memcpy(wdev->ssid, params->ssid, params->ssid_len);
wdev->ssid_len = params->ssid_len;
return 0;
}
-void cfg80211_clear_ibss(struct net_device *dev)
+int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_ibss_params *params,
+ struct cfg80211_cached_keys *connkeys)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ mutex_lock(&rdev->devlist_mtx);
+ wdev_lock(wdev);
+ err = __cfg80211_join_ibss(rdev, dev, params, connkeys);
+ wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return err;
+}
+
+static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ int i;
+
+ ASSERT_WDEV_LOCK(wdev);
+
+ kfree(wdev->connect_keys);
+ wdev->connect_keys = NULL;
+
+ /*
+ * Delete all the keys ... pairwise keys can't really
+ * exist any more anyway, but default keys might.
+ */
+ if (rdev->ops->del_key)
+ for (i = 0; i < 6; i++)
+ rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL);
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
}
wdev->current_bss = NULL;
wdev->ssid_len = 0;
- memset(wdev->bssid, 0, ETH_ALEN);
+#ifdef CONFIG_CFG80211_WEXT
+ if (!nowext)
+ wdev->wext.ibss.ssid_len = 0;
+#endif
}
-int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ wdev_lock(wdev);
+ __cfg80211_clear_ibss(dev, nowext);
+ wdev_unlock(wdev);
+}
+
+int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, bool nowext)
{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (!wdev->ssid_len)
+ return -ENOLINK;
+
err = rdev->ops->leave_ibss(&rdev->wiphy, dev);
if (err)
return err;
- cfg80211_clear_ibss(dev);
+ __cfg80211_clear_ibss(dev, nowext);
return 0;
}
-#ifdef CONFIG_WIRELESS_EXT
-static int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev)
+int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, bool nowext)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_leave_ibss(rdev, dev, nowext);
+ wdev_unlock(wdev);
+
+ return err;
+}
+
+#ifdef CONFIG_CFG80211_WEXT
+int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev)
{
+ struct cfg80211_cached_keys *ck = NULL;
enum ieee80211_band band;
- int i;
+ int i, err;
+
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (!wdev->wext.ibss.beacon_interval)
+ wdev->wext.ibss.beacon_interval = 100;
/* try to find an IBSS channel if none requested ... */
- if (!wdev->wext.channel) {
+ if (!wdev->wext.ibss.channel) {
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
continue;
if (chan->flags & IEEE80211_CHAN_DISABLED)
continue;
- wdev->wext.channel = chan;
+ wdev->wext.ibss.channel = chan;
break;
}
- if (wdev->wext.channel)
+ if (wdev->wext.ibss.channel)
break;
}
- if (!wdev->wext.channel)
+ if (!wdev->wext.ibss.channel)
return -EINVAL;
}
/* don't join -- SSID is not there */
- if (!wdev->wext.ssid_len)
+ if (!wdev->wext.ibss.ssid_len)
return 0;
if (!netif_running(wdev->netdev))
return 0;
- return cfg80211_join_ibss(wiphy_to_dev(wdev->wiphy),
- wdev->netdev, &wdev->wext);
+ if (wdev->wext.keys) {
+ wdev->wext.keys->def = wdev->wext.default_key;
+ wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key;
+ }
+
+ wdev->wext.ibss.privacy = wdev->wext.default_key != -1;
+
+ if (wdev->wext.keys) {
+ ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
+ if (!ck)
+ return -ENOMEM;
+ for (i = 0; i < 6; i++)
+ ck->params[i].key = ck->data[i];
+ }
+ err = __cfg80211_join_ibss(rdev, wdev->netdev,
+ &wdev->wext.ibss, ck);
+ if (err)
+ kfree(ck);
+
+ return err;
}
int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
+ struct iw_freq *wextfreq, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct ieee80211_channel *chan;
- int err;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct ieee80211_channel *chan = NULL;
+ int err, freq;
/* call only for ibss! */
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return -EINVAL;
- if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
+ if (!rdev->ops->join_ibss)
return -EOPNOTSUPP;
- chan = cfg80211_wext_freq(wdev->wiphy, freq);
- if (chan && IS_ERR(chan))
- return PTR_ERR(chan);
+ freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
+ if (freq < 0)
+ return freq;
- if (chan &&
- (chan->flags & IEEE80211_CHAN_NO_IBSS ||
- chan->flags & IEEE80211_CHAN_DISABLED))
- return -EINVAL;
+ if (freq) {
+ chan = ieee80211_get_channel(wdev->wiphy, freq);
+ if (!chan)
+ return -EINVAL;
+ if (chan->flags & IEEE80211_CHAN_NO_IBSS ||
+ chan->flags & IEEE80211_CHAN_DISABLED)
+ return -EINVAL;
+ }
- if (wdev->wext.channel == chan)
+ if (wdev->wext.ibss.channel == chan)
return 0;
- if (wdev->ssid_len) {
- err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy), dev);
- if (err)
- return err;
- }
+ wdev_lock(wdev);
+ err = 0;
+ if (wdev->ssid_len)
+ err = __cfg80211_leave_ibss(rdev, dev, true);
+ wdev_unlock(wdev);
+
+ if (err)
+ return err;
if (chan) {
- wdev->wext.channel = chan;
- wdev->wext.channel_fixed = true;
+ wdev->wext.ibss.channel = chan;
+ wdev->wext.ibss.channel_fixed = true;
} else {
/* cfg80211_ibss_wext_join will pick one if needed */
- wdev->wext.channel_fixed = false;
+ wdev->wext.ibss.channel_fixed = false;
}
- return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
+ mutex_lock(&rdev->devlist_mtx);
+ wdev_lock(wdev);
+ err = cfg80211_ibss_wext_join(rdev, wdev);
+ wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwfreq);
int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
struct iw_request_info *info,
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return -EINVAL;
+ wdev_lock(wdev);
if (wdev->current_bss)
- chan = wdev->current_bss->channel;
- else if (wdev->wext.channel)
- chan = wdev->wext.channel;
+ chan = wdev->current_bss->pub.channel;
+ else if (wdev->wext.ibss.channel)
+ chan = wdev->wext.ibss.channel;
+ wdev_unlock(wdev);
if (chan) {
freq->m = chan->center_freq;
/* no channel if not joining */
return -EINVAL;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwfreq);
int cfg80211_ibss_wext_siwessid(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *ssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
size_t len = data->length;
int err;
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return -EINVAL;
- if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
+ if (!rdev->ops->join_ibss)
return -EOPNOTSUPP;
- if (wdev->ssid_len) {
- err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy), dev);
- if (err)
- return err;
- }
+ wdev_lock(wdev);
+ err = 0;
+ if (wdev->ssid_len)
+ err = __cfg80211_leave_ibss(rdev, dev, true);
+ wdev_unlock(wdev);
+
+ if (err)
+ return err;
/* iwconfig uses nul termination in SSID.. */
if (len > 0 && ssid[len - 1] == '\0')
len--;
- wdev->wext.ssid = wdev->ssid;
- memcpy(wdev->wext.ssid, ssid, len);
- wdev->wext.ssid_len = len;
+ wdev->wext.ibss.ssid = wdev->ssid;
+ memcpy(wdev->wext.ibss.ssid, ssid, len);
+ wdev->wext.ibss.ssid_len = len;
- return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
+ mutex_lock(&rdev->devlist_mtx);
+ wdev_lock(wdev);
+ err = cfg80211_ibss_wext_join(rdev, wdev);
+ wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwessid);
int cfg80211_ibss_wext_giwessid(struct net_device *dev,
struct iw_request_info *info,
data->flags = 0;
+ wdev_lock(wdev);
if (wdev->ssid_len) {
data->flags = 1;
data->length = wdev->ssid_len;
memcpy(ssid, wdev->ssid, data->length);
- } else if (wdev->wext.ssid) {
+ } else if (wdev->wext.ibss.ssid && wdev->wext.ibss.ssid_len) {
data->flags = 1;
- data->length = wdev->wext.ssid_len;
- memcpy(ssid, wdev->wext.ssid, data->length);
+ data->length = wdev->wext.ibss.ssid_len;
+ memcpy(ssid, wdev->wext.ibss.ssid, data->length);
}
+ wdev_unlock(wdev);
return 0;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwessid);
int cfg80211_ibss_wext_siwap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *ap_addr, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
u8 *bssid = ap_addr->sa_data;
int err;
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return -EINVAL;
- if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
+ if (!rdev->ops->join_ibss)
return -EOPNOTSUPP;
if (ap_addr->sa_family != ARPHRD_ETHER)
bssid = NULL;
/* both automatic */
- if (!bssid && !wdev->wext.bssid)
+ if (!bssid && !wdev->wext.ibss.bssid)
return 0;
/* fixed already - and no change */
- if (wdev->wext.bssid && bssid &&
- compare_ether_addr(bssid, wdev->wext.bssid) == 0)
+ if (wdev->wext.ibss.bssid && bssid &&
+ compare_ether_addr(bssid, wdev->wext.ibss.bssid) == 0)
return 0;
- if (wdev->ssid_len) {
- err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy), dev);
- if (err)
- return err;
- }
+ wdev_lock(wdev);
+ err = 0;
+ if (wdev->ssid_len)
+ err = __cfg80211_leave_ibss(rdev, dev, true);
+ wdev_unlock(wdev);
+
+ if (err)
+ return err;
if (bssid) {
- memcpy(wdev->wext_bssid, bssid, ETH_ALEN);
- wdev->wext.bssid = wdev->wext_bssid;
+ memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
+ wdev->wext.ibss.bssid = wdev->wext.bssid;
} else
- wdev->wext.bssid = NULL;
+ wdev->wext.ibss.bssid = NULL;
+
+ mutex_lock(&rdev->devlist_mtx);
+ wdev_lock(wdev);
+ err = cfg80211_ibss_wext_join(rdev, wdev);
+ wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
- return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
+ return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwap);
int cfg80211_ibss_wext_giwap(struct net_device *dev,
struct iw_request_info *info,
ap_addr->sa_family = ARPHRD_ETHER;
- if (wdev->wext.bssid) {
- memcpy(ap_addr->sa_data, wdev->wext.bssid, ETH_ALEN);
- return 0;
- }
+ wdev_lock(wdev);
+ if (wdev->current_bss)
+ memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
+ else if (wdev->wext.ibss.bssid)
+ memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN);
+ else
+ memset(ap_addr->sa_data, 0, ETH_ALEN);
+
+ wdev_unlock(wdev);
- memcpy(ap_addr->sa_data, wdev->bssid, ETH_ALEN);
return 0;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwap);
#endif
Code Review / linux-2.6.git / blobdiff