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-rw-r--r--net/mac80211/cfg.c12
-rw-r--r--net/mac80211/ieee80211_i.h6
-rw-r--r--net/mac80211/mlme.c25
-rw-r--r--net/wireless/core.c92
-rw-r--r--net/wireless/core.h100
-rw-r--r--net/wireless/ibss.c133
-rw-r--r--net/wireless/mlme.c214
-rw-r--r--net/wireless/nl80211.c8
-rw-r--r--net/wireless/nl80211.h2
-rw-r--r--net/wireless/scan.c30
-rw-r--r--net/wireless/sme.c252
-rw-r--r--net/wireless/wext-sme.c125
12 files changed, 804 insertions, 195 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7cfc14e4ca0..36f8f245fa4 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1182,15 +1182,19 @@ static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_deauth_request *req)
+ struct cfg80211_deauth_request *req,
+ void *cookie)
{
- return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
+ return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
+ req, cookie);
}
static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_disassoc_request *req)
+ struct cfg80211_disassoc_request *req,
+ void *cookie)
{
- return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
+ return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
+ req, cookie);
}
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2e92bbd9b2d..327aabc07ab 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -918,9 +918,11 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct cfg80211_assoc_request *req);
int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_deauth_request *req);
+ struct cfg80211_deauth_request *req,
+ void *cookie);
int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_disassoc_request *req);
+ struct cfg80211_disassoc_request *req,
+ void *cookie);
ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
void ieee80211_send_pspoll(struct ieee80211_local *local,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 15dbb57ab55..c9db9646025 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -386,7 +386,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
- const u8 *bssid, u16 stype, u16 reason)
+ const u8 *bssid, u16 stype, u16 reason,
+ void *cookie)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -412,9 +413,9 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
mgmt->u.deauth.reason_code = cpu_to_le16(reason);
if (stype == IEEE80211_STYPE_DEAUTH)
- cfg80211_send_deauth(sdata->dev, (u8 *) mgmt, skb->len);
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, cookie);
else
- cfg80211_send_disassoc(sdata->dev, (u8 *) mgmt, skb->len);
+ cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len, cookie);
ieee80211_tx_skb(sdata, skb, ifmgd->flags & IEEE80211_STA_MFP_ENABLED);
}
@@ -1837,10 +1838,12 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
/* no action */
break;
case RX_MGMT_CFG80211_DEAUTH:
- cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len,
+ NULL);
break;
case RX_MGMT_CFG80211_DISASSOC:
- cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
+ cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len,
+ NULL);
break;
default:
WARN(1, "unexpected: %d", rma);
@@ -2273,7 +2276,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_deauth_request *req)
+ struct cfg80211_deauth_request *req,
+ void *cookie)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_mgd_work *wk;
@@ -2305,13 +2309,15 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&ifmgd->mtx);
ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH, req->reason_code);
+ IEEE80211_STYPE_DEAUTH, req->reason_code,
+ cookie);
return 0;
}
int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_disassoc_request *req)
+ struct cfg80211_disassoc_request *req,
+ void *cookie)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -2331,6 +2337,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&ifmgd->mtx);
ieee80211_send_deauth_disassoc(sdata, req->bss->bssid,
- IEEE80211_STYPE_DISASSOC, req->reason_code);
+ IEEE80211_STYPE_DISASSOC, req->reason_code,
+ cookie);
return 0;
}
diff --git a/net/wireless/core.c b/net/wireless/core.c
index c6813beded0..9c73769440a 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -257,6 +257,71 @@ static void cfg80211_rfkill_sync_work(struct work_struct *work)
cfg80211_rfkill_set_block(drv, rfkill_blocked(drv->rfkill));
}
+static void cfg80211_process_events(struct wireless_dev *wdev)
+{
+ struct cfg80211_event *ev;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdev->event_lock, flags);
+ while (!list_empty(&wdev->event_list)) {
+ ev = list_first_entry(&wdev->event_list,
+ struct cfg80211_event, list);
+ list_del(&ev->list);
+ spin_unlock_irqrestore(&wdev->event_lock, flags);
+
+ wdev_lock(wdev);
+ switch (ev->type) {
+ case EVENT_CONNECT_RESULT:
+ __cfg80211_connect_result(
+ wdev->netdev, ev->cr.bssid,
+ ev->cr.req_ie, ev->cr.req_ie_len,
+ ev->cr.resp_ie, ev->cr.resp_ie_len,
+ ev->cr.status,
+ ev->cr.status == WLAN_STATUS_SUCCESS);
+ break;
+ case EVENT_ROAMED:
+ __cfg80211_roamed(wdev, ev->rm.bssid,
+ ev->rm.req_ie, ev->rm.req_ie_len,
+ ev->rm.resp_ie, ev->rm.resp_ie_len);
+ break;
+ case EVENT_DISCONNECTED:
+ __cfg80211_disconnected(wdev->netdev,
+ ev->dc.ie, ev->dc.ie_len,
+ ev->dc.reason, true);
+ break;
+ case EVENT_IBSS_JOINED:
+ __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid);
+ break;
+ }
+ wdev_unlock(wdev);
+
+ kfree(ev);
+
+ spin_lock_irqsave(&wdev->event_lock, flags);
+ }
+ spin_unlock_irqrestore(&wdev->event_lock, flags);
+}
+
+static void cfg80211_event_work(struct work_struct *work)
+{
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+
+ rdev = container_of(work, struct cfg80211_registered_device,
+ event_work);
+
+ rtnl_lock();
+ cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->devlist_mtx);
+
+ list_for_each_entry(wdev, &rdev->netdev_list, list)
+ cfg80211_process_events(wdev);
+
+ mutex_unlock(&rdev->devlist_mtx);
+ cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
+}
+
/* exported functions */
struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
@@ -299,6 +364,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
INIT_LIST_HEAD(&drv->netdev_list);
spin_lock_init(&drv->bss_lock);
INIT_LIST_HEAD(&drv->bss_list);
+ INIT_WORK(&drv->scan_done_wk, __cfg80211_scan_done);
device_initialize(&drv->wiphy.dev);
drv->wiphy.dev.class = &ieee80211_class;
@@ -316,6 +382,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
INIT_WORK(&drv->rfkill_sync, cfg80211_rfkill_sync_work);
INIT_WORK(&drv->conn_work, cfg80211_conn_work);
+ INIT_WORK(&drv->event_work, cfg80211_event_work);
/*
* Initialize wiphy parameters to IEEE 802.11 MIB default values.
@@ -477,6 +544,9 @@ void wiphy_unregister(struct wiphy *wiphy)
mutex_unlock(&drv->mtx);
cancel_work_sync(&drv->conn_work);
+ cancel_work_sync(&drv->scan_done_wk);
+ kfree(drv->scan_req);
+ flush_work(&drv->event_work);
cfg80211_debugfs_drv_del(drv);
@@ -535,6 +605,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
switch (state) {
case NETDEV_REGISTER:
+ mutex_init(&wdev->mtx);
+ INIT_LIST_HEAD(&wdev->event_list);
+ spin_lock_init(&wdev->event_lock);
mutex_lock(&rdev->devlist_mtx);
list_add(&wdev->list, &rdev->netdev_list);
if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj,
@@ -566,15 +639,17 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
cfg80211_leave_ibss(rdev, dev, true);
break;
case NL80211_IFTYPE_STATION:
+ wdev_lock(wdev);
#ifdef CONFIG_WIRELESS_EXT
kfree(wdev->wext.ie);
wdev->wext.ie = NULL;
wdev->wext.ie_len = 0;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
#endif
- cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, true);
+ __cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, true);
cfg80211_mlme_down(rdev, dev);
+ wdev_unlock(wdev);
break;
default:
break;
@@ -582,20 +657,24 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
case NETDEV_UP:
#ifdef CONFIG_WIRELESS_EXT
+ cfg80211_lock_rdev(rdev);
+ wdev_lock(wdev);
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
if (wdev->wext.ibss.ssid_len)
- cfg80211_join_ibss(rdev, dev,
- &wdev->wext.ibss);
+ __cfg80211_join_ibss(rdev, dev,
+ &wdev->wext.ibss);
break;
case NL80211_IFTYPE_STATION:
if (wdev->wext.connect.ssid_len)
- cfg80211_connect(rdev, dev,
- &wdev->wext.connect);
+ __cfg80211_connect(rdev, dev,
+ &wdev->wext.connect);
break;
default:
break;
}
+ wdev_unlock(wdev);
+ cfg80211_unlock_rdev(rdev);
#endif
break;
case NETDEV_UNREGISTER:
@@ -605,6 +684,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
list_del_init(&wdev->list);
}
mutex_unlock(&rdev->devlist_mtx);
+ mutex_destroy(&wdev->mtx);
break;
case NETDEV_PRE_UP:
if (rfkill_blocked(rdev->rfkill))
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 92da612b3f9..5ccd642e183 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -57,12 +57,14 @@ struct cfg80211_registered_device {
u32 bss_generation;
struct cfg80211_scan_request *scan_req; /* protected by RTNL */
unsigned long suspend_at;
+ struct work_struct scan_done_wk;
#ifdef CONFIG_NL80211_TESTMODE
struct genl_info *testmode_info;
#endif
struct work_struct conn_work;
+ struct work_struct event_work;
#ifdef CONFIG_CFG80211_DEBUGFS
/* Debugfs entries */
@@ -170,12 +172,73 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
extern struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(int ifindex);
+static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *drv)
+{
+ mutex_lock(&drv->mtx);
+}
+
static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *drv)
{
BUG_ON(IS_ERR(drv) || !drv);
mutex_unlock(&drv->mtx);
}
+static inline void wdev_lock(struct wireless_dev *wdev)
+ __acquires(wdev)
+{
+ mutex_lock(&wdev->mtx);
+ __acquire(wdev->mtx);
+}
+
+static inline void wdev_unlock(struct wireless_dev *wdev)
+ __releases(wdev)
+{
+ __release(wdev->mtx);
+ mutex_unlock(&wdev->mtx);
+}
+
+#define ASSERT_RDEV_LOCK(rdev) WARN_ON(!mutex_is_locked(&(rdev)->mtx));
+#define ASSERT_WDEV_LOCK(wdev) WARN_ON(!mutex_is_locked(&(wdev)->mtx));
+
+enum cfg80211_event_type {
+ EVENT_CONNECT_RESULT,
+ EVENT_ROAMED,
+ EVENT_DISCONNECTED,
+ EVENT_IBSS_JOINED,
+};
+
+struct cfg80211_event {
+ struct list_head list;
+ enum cfg80211_event_type type;
+
+ union {
+ struct {
+ u8 bssid[ETH_ALEN];
+ const u8 *req_ie;
+ const u8 *resp_ie;
+ size_t req_ie_len;
+ size_t resp_ie_len;
+ u16 status;
+ } cr;
+ struct {
+ u8 bssid[ETH_ALEN];
+ const u8 *req_ie;
+ const u8 *resp_ie;
+ size_t req_ie_len;
+ size_t resp_ie_len;
+ } rm;
+ struct {
+ const u8 *ie;
+ size_t ie_len;
+ u16 reason;
+ } dc;
+ struct {
+ u8 bssid[ETH_ALEN];
+ } ij;
+ };
+};
+
+
/* free object */
extern void cfg80211_dev_free(struct cfg80211_registered_device *drv);
@@ -191,25 +254,46 @@ void cfg80211_bss_age(struct cfg80211_registered_device *dev,
unsigned long age_secs);
/* IBSS */
+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);
void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
+void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
/* MLME */
+int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type,
+ const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ const u8 *ie, int ie_len);
int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
struct net_device *dev, struct ieee80211_channel *chan,
enum nl80211_auth_type auth_type, const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len);
+int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ const u8 *bssid, const u8 *prev_bssid,
+ const u8 *ssid, int ssid_len,
+ const u8 *ie, int ie_len, bool use_mfp,
+ struct cfg80211_crypto_settings *crypt);
int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct net_device *dev, struct ieee80211_channel *chan,
const u8 *bssid, const u8 *prev_bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len, bool use_mfp,
struct cfg80211_crypto_settings *crypt);
+int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason);
int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
const u8 *ie, int ie_len, u16 reason);
@@ -218,24 +302,38 @@ int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
const u8 *ie, int ie_len, u16 reason);
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev);
+void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, bool wextev);
/* SME */
+int __cfg80211_connect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_connect_params *connect);
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect);
+int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, u16 reason,
+ bool wextev);
int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason,
bool wextev);
+void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len);
void cfg80211_conn_work(struct work_struct *work);
/* internal helpers */
int cfg80211_validate_key_settings(struct key_params *params, int key_idx,
const u8 *mac_addr);
-void __cfg80211_disconnected(struct net_device *dev, gfp_t gfp, u8 *ie,
+void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
size_t ie_len, u16 reason, bool from_ap);
void cfg80211_sme_scan_done(struct net_device *dev);
void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
void cfg80211_sme_disassoc(struct net_device *dev, int idx);
+void __cfg80211_scan_done(struct work_struct *wk);
#endif /* __NET_WIRELESS_CORE_H */
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index a5330c5a547..99ef9364b7e 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -10,7 +10,7 @@
#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;
@@ -39,22 +39,45 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
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);
+ nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid,
+ GFP_KERNEL);
#ifdef CONFIG_WIRELESS_EXT
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;
+
+ 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);
+ schedule_work(&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 wireless_dev *wdev = dev->ieee80211_ptr;
int err;
+ ASSERT_WDEV_LOCK(wdev);
+
if (wdev->ssid_len)
return -EALREADY;
@@ -72,10 +95,26 @@ int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
return 0;
}
-void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
+int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_ibss_params *params)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_join_ibss(rdev, dev, params);
+ wdev_unlock(wdev);
+
+ return err;
+}
+
+static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ ASSERT_WDEV_LOCK(wdev);
+
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(&wdev->current_bss->pub);
@@ -89,12 +128,23 @@ void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
#endif
}
-int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool nowext)
+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);
+}
+
+static 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;
@@ -103,11 +153,24 @@ int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
if (err)
return err;
- cfg80211_clear_ibss(dev, nowext);
+ __cfg80211_clear_ibss(dev, nowext);
return 0;
}
+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_WIRELESS_EXT
static int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
@@ -184,12 +247,15 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
if (wdev->wext.ibss.channel == chan)
return 0;
- if (wdev->ssid_len) {
- err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
- dev, true);
- if (err)
- return err;
- }
+ wdev_lock(wdev);
+ err = 0;
+ if (wdev->ssid_len)
+ err = __cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
+ dev, true);
+ wdev_unlock(wdev);
+
+ if (err)
+ return err;
if (chan) {
wdev->wext.ibss.channel = chan;
@@ -215,10 +281,12 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return -EINVAL;
+ wdev_lock(wdev);
if (wdev->current_bss)
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;
@@ -247,12 +315,15 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
return -EOPNOTSUPP;
- if (wdev->ssid_len) {
- err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
- dev, true);
- if (err)
- return err;
- }
+ wdev_lock(wdev);
+ err = 0;
+ if (wdev->ssid_len)
+ err = __cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
+ dev, true);
+ wdev_unlock(wdev);
+
+ if (err)
+ return err;
/* iwconfig uses nul termination in SSID.. */
if (len > 0 && ssid[len - 1] == '\0')
@@ -279,6 +350,7 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->flags = 0;
+ wdev_lock(wdev);
if (wdev->ssid_len) {
data->flags = 1;
data->length = wdev->ssid_len;
@@ -288,6 +360,7 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->length = wdev->wext.ibss.ssid_len;
memcpy(ssid, wdev->wext.ibss.ssid, data->length);
}
+ wdev_unlock(wdev);
return 0;
}
@@ -325,12 +398,15 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
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, true);
- if (err)
- return err;
- }
+ wdev_lock(wdev);
+ err = 0;
+ if (wdev->ssid_len)
+ err = __cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
+ dev, true);
+ wdev_unlock(wdev);
+
+ if (err)
+ return err;
if (bssid) {
memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
@@ -355,10 +431,13 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
ap_addr->sa_family = ARPHRD_ETHER;
+ wdev_lock(wdev);
if (wdev->current_bss)
memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
else
memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN);
+ wdev_unlock(wdev);
+
return 0;
}
/* temporary symbol - mark GPL - in the future the handler won't be */
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 960bf60e44e..1b2ca1fea7a 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -23,7 +23,7 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
u16 status = le16_to_cpu(mgmt->u.auth.status_code);
bool done = false;
- might_sleep();
+ wdev_lock(wdev);
for (i = 0; i < MAX_AUTH_BSSES; i++) {
if (wdev->authtry_bsses[i] &&
@@ -45,6 +45,8 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL);
cfg80211_sme_rx_auth(dev, buf, len);
+
+ wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_rx_auth);
@@ -59,14 +61,15 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
bool done;
- might_sleep();
+ wdev_lock(wdev);
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL);
- cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
- status_code, GFP_KERNEL);
+ __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
+ status_code,
+ status_code == WLAN_STATUS_SUCCESS);
if (status_code == WLAN_STATUS_SUCCESS) {
for (i = 0; wdev->current_bss && i < MAX_AUTH_BSSES; i++) {
@@ -81,10 +84,13 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
WARN_ON(!done);
}
+
+ wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_rx_assoc);
-void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
+static void __cfg80211_send_deauth(struct net_device *dev,
+ const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
@@ -94,7 +100,7 @@ void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
int i;
bool done = false;
- might_sleep();
+ ASSERT_WDEV_LOCK(wdev);
nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
@@ -132,17 +138,35 @@ void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0;
- __cfg80211_disconnected(dev, GFP_KERNEL, NULL, 0,
- reason_code, from_ap);
+ __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
} else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
- cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_KERNEL);
+ __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ false);
+ }
+}
+
+
+void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len,
+ void *cookie)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ BUG_ON(cookie && wdev != cookie);
+
+ if (cookie) {
+ /* called within callback */
+ __cfg80211_send_deauth(dev, buf, len);
+ } else {
+ wdev_lock(wdev);
+ __cfg80211_send_deauth(dev, buf, len);
+ wdev_unlock(wdev);
}
}
EXPORT_SYMBOL(cfg80211_send_deauth);
-void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
+static void __cfg80211_send_disassoc(struct net_device *dev,
+ const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
@@ -154,12 +178,12 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
bool from_ap;
bool done = false;
- might_sleep();
+ wdev_lock(wdev);
nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
if (!wdev->sme_state == CFG80211_SME_CONNECTED)
- return;
+ goto out;
if (wdev->current_bss &&
memcmp(wdev->current_bss, bssid, ETH_ALEN) == 0) {
@@ -180,8 +204,26 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0;
- __cfg80211_disconnected(dev, GFP_KERNEL, NULL, 0,
- reason_code, from_ap);
+ __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+ out:
+ wdev_unlock(wdev);
+}
+
+void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len,
+ void *cookie)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ BUG_ON(cookie && wdev != cookie);
+
+ if (cookie) {
+ /* called within callback */
+ __cfg80211_send_disassoc(dev, buf, len);
+ } else {
+ wdev_lock(wdev);
+ __cfg80211_send_disassoc(dev, buf, len);
+ wdev_unlock(wdev);
+ }
}
EXPORT_SYMBOL(cfg80211_send_disassoc);
@@ -193,13 +235,13 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
int i;
bool done = false;
- might_sleep();
+ wdev_lock(wdev);
nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
- cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_KERNEL);
+ __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ false);
for (i = 0; addr && i < MAX_AUTH_BSSES; i++) {
if (wdev->authtry_bsses[i] &&
@@ -214,6 +256,8 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
}
WARN_ON(!done);
+
+ wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_auth_timeout);
@@ -225,13 +269,13 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr)
int i;
bool done = false;
- might_sleep();
+ wdev_lock(wdev);
nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
- cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_KERNEL);
+ __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ false);
for (i = 0; addr && i < MAX_AUTH_BSSES; i++) {
if (wdev->auth_bsses[i] &&
@@ -246,6 +290,8 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr)
}
WARN_ON(!done);
+
+ wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
@@ -276,17 +322,21 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
EXPORT_SYMBOL(cfg80211_michael_mic_failure);
/* some MLME handling for userspace SME */
-int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type, const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len)
+int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type,
+ const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ const u8 *ie, int ie_len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_auth_request req;
struct cfg80211_internal_bss *bss;
int i, err, slot = -1, nfree = 0;
+ ASSERT_WDEV_LOCK(wdev);
+
if (wdev->current_bss &&
memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0)
return -EALREADY;
@@ -342,18 +392,37 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
return err;
}
-int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- const u8 *bssid, const u8 *prev_bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len, bool use_mfp,
- struct cfg80211_crypto_settings *crypt)
+int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type, const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ const u8 *ie, int ie_len)
+{
+ int err;
+
+ wdev_lock(dev->ieee80211_ptr);
+ err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
+ ssid, ssid_len, ie, ie_len);
+ wdev_unlock(dev->ieee80211_ptr);
+
+ return err;
+}
+
+int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ const u8 *bssid, const u8 *prev_bssid,
+ const u8 *ssid, int ssid_len,
+ const u8 *ie, int ie_len, bool use_mfp,
+ struct cfg80211_crypto_settings *crypt)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_assoc_request req;
struct cfg80211_internal_bss *bss;
int i, err, slot = -1;
+ ASSERT_WDEV_LOCK(wdev);
+
memset(&req, 0, sizeof(req));
if (wdev->current_bss)
@@ -390,14 +459,35 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
return err;
}
-int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason)
+int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ const u8 *bssid, const u8 *prev_bssid,
+ const u8 *ssid, int ssid_len,