/* internal */
struct wiphy *wiphy;
int ifidx;
+ bool aborted;
};
/**
int (*assoc)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_assoc_request *req);
int (*deauth)(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_deauth_request *req);
+ struct cfg80211_deauth_request *req,
+ void *cookie);
int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_disassoc_request *req);
+ struct cfg80211_disassoc_request *req,
+ void *cookie);
int (*connect)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme);
struct wiphy *wiphy;
enum nl80211_iftype iftype;
- /* private to the generic wireless code */
+ /* the remainder of this struct should be private to cfg80211 */
struct list_head list;
struct net_device *netdev;
+ struct mutex mtx;
+
/* currently used for IBSS and SME - might be rearranged later */
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 ssid_len;
} sme_state;
struct cfg80211_conn *conn;
+ struct list_head event_list;
+ spinlock_t event_lock;
+
struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES];
struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES];
struct cfg80211_internal_bss *current_bss; /* associated / joined */
* @dev: network device
* @buf: deauthentication frame (header + body)
* @len: length of the frame data
+ * @cookie: cookie from ->deauth if called within that callback,
+ * %NULL otherwise
*
* This function is called whenever deauthentication has been processed in
* station mode. This includes both received deauthentication frames and
* locally generated ones. This function may sleep.
*/
-void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
+void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len,
+ void *cookie);
/**
* cfg80211_send_disassoc - notification of processed disassociation
* @dev: network device
* @buf: disassociation response frame (header + body)
* @len: length of the frame data
+ * @cookie: cookie from ->disassoc if called within that callback,
+ * %NULL otherwise
*
* This function is called whenever disassociation has been processed in
* station mode. This includes both received disassociation frames and locally
* generated ones. This function may sleep.
*/
-void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len);
+void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len,
+ void *cookie);
/**
* cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
}
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,
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,
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;
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);
}
/* 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);
}
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;
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;
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;
}
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)
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;
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.
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);
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,
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;
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:
list_del_init(&wdev->list);
}
mutex_unlock(&rdev->devlist_mtx);
+ mutex_destroy(&wdev->mtx);
break;
case NETDEV_PRE_UP:
if (rfkill_blocked(rdev->rfkill))
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 */
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);
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);
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 */
#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;
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;
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);
#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;
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)
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;
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;
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')
data->flags = 0;
+ wdev_lock(wdev);
if (wdev->ssid_len) {
data->flags = 1;
data->length = wdev->ssid_len;
data->length = wdev->wext.ibss.ssid_len;
memcpy(ssid, wdev->wext.ibss.ssid, data->length);
}
+ wdev_unlock(wdev);
return 0;
}
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);
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 */
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] &&
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);
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++) {
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;
int i;
bool done = false;
- might_sleep();
+ ASSERT_WDEV_LOCK(wdev);
nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
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;
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) {
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);
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] &&
}
WARN_ON(!done);
+
+ wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_auth_timeout);
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] &&
}
WARN_ON(!done);
+
+ wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
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;
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)
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,
+ const u8 *ie, int ie_len, bool use_mfp,
+ struct cfg80211_crypto_settings *crypt)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
+ ssid, ssid_len, ie, ie_len, use_mfp, crypt);
+ wdev_unlock(wdev);
+
+ 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)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_deauth_request req;
int i;
+ ASSERT_WDEV_LOCK(wdev);
+
memset(&req, 0, sizeof(req));
req.reason_code = reason;
req.ie = ie;
if (!req.bss)
return -ENOTCONN;
- return rdev->ops->deauth(&rdev->wiphy, dev, &req);
+ return rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev);
}
-int cfg80211_mlme_disassoc(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)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason);
+ wdev_unlock(wdev);
+
+ return err;
+}
+
+static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_disassoc_request req;
+ ASSERT_WDEV_LOCK(wdev);
+
memset(&req, 0, sizeof(req));
req.reason_code = reason;
req.ie = ie;
else
return -ENOTCONN;
- return rdev->ops->disassoc(&rdev->wiphy, dev, &req);
+ return rdev->ops->disassoc(&rdev->wiphy, dev, &req, wdev);
+}
+
+int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason);
+ wdev_unlock(wdev);
+
+ return err;
}
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct cfg80211_deauth_request req;
int i;
+ ASSERT_WDEV_LOCK(wdev);
+
if (!rdev->ops->deauth)
return;
if (wdev->current_bss) {
req.bss = &wdev->current_bss->pub;
- rdev->ops->deauth(&rdev->wiphy, dev, &req);
+ rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev);
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(&wdev->current_bss->pub);
for (i = 0; i < MAX_AUTH_BSSES; i++) {
if (wdev->auth_bsses[i]) {
req.bss = &wdev->auth_bsses[i]->pub;
- rdev->ops->deauth(&rdev->wiphy, dev, &req);
+ rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev);
if (wdev->auth_bsses[i]) {
cfg80211_unhold_bss(wdev->auth_bsses[i]);
cfg80211_put_bss(&wdev->auth_bsses[i]->pub);
}
if (wdev->authtry_bsses[i]) {
req.bss = &wdev->authtry_bsses[i]->pub;
- rdev->ops->deauth(&rdev->wiphy, dev, &req);
+ rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev);
if (wdev->authtry_bsses[i]) {
cfg80211_unhold_bss(wdev->authtry_bsses[i]);
cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
struct nlattr *nest;
int i;
+ ASSERT_RDEV_LOCK(rdev);
+
if (WARN_ON(!req))
return 0;
void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u16 reason,
- u8 *ie, size_t ie_len, bool from_ap, gfp_t gfp)
+ const u8 *ie, size_t ie_len, bool from_ap)
{
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (!msg)
return;
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
return;
nla_put_failure:
const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u16 reason,
- u8 *ie, size_t ie_len, bool from_ap, gfp_t gfp);
+ const u8 *ie, size_t ie_len, bool from_ap);
void
nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
-void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
+void __cfg80211_scan_done(struct work_struct *wk)
{
+ struct cfg80211_registered_device *rdev;
+ struct cfg80211_scan_request *request;
struct net_device *dev;
#ifdef CONFIG_WIRELESS_EXT
union iwreq_data wrqu;
#endif
+ rdev = container_of(wk, struct cfg80211_registered_device,
+ scan_done_wk);
+
+ mutex_lock(&rdev->mtx);
+ request = rdev->scan_req;
+
dev = dev_get_by_index(&init_net, request->ifidx);
if (!dev)
goto out;
*/
cfg80211_sme_scan_done(dev);
- if (aborted)
+ if (request->aborted)
nl80211_send_scan_aborted(wiphy_to_dev(request->wiphy), dev);
else
nl80211_send_scan_done(wiphy_to_dev(request->wiphy), dev);
wiphy_to_dev(request->wiphy)->scan_req = NULL;
#ifdef CONFIG_WIRELESS_EXT
- if (!aborted) {
+ if (!request->aborted) {
memset(&wrqu, 0, sizeof(wrqu));
wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
dev_put(dev);
out:
+ cfg80211_unlock_rdev(rdev);
kfree(request);
}
+
+void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
+{
+ struct net_device *dev = dev_get_by_index(&init_net, request->ifidx);
+ if (WARN_ON(!dev)) {
+ kfree(request);
+ return;
+ }
+
+ WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
+
+ request->aborted = aborted;
+ schedule_work(&wiphy_to_dev(request->wiphy)->scan_done_wk);
+ dev_put(dev);
+}
EXPORT_SYMBOL(cfg80211_scan_done);
static void bss_release(struct kref *ref)
int n_channels, err;
ASSERT_RTNL();
+ ASSERT_RDEV_LOCK(drv);
+ ASSERT_WDEV_LOCK(wdev);
if (drv->scan_req)
return -EBUSY;
struct cfg80211_connect_params *params;
int err;
+ ASSERT_WDEV_LOCK(wdev);
+
if (!wdev->conn)
return 0;
case CFG80211_CONN_AUTHENTICATE_NEXT:
BUG_ON(!drv->ops->auth);
wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
- return cfg80211_mlme_auth(drv, wdev->netdev,
- params->channel, params->auth_type,
- params->bssid,
- params->ssid, params->ssid_len,
- NULL, 0);
+ return __cfg80211_mlme_auth(drv, wdev->netdev,
+ params->channel, params->auth_type,
+ params->bssid,
+ params->ssid, params->ssid_len,
+ NULL, 0);
case CFG80211_CONN_ASSOCIATE_NEXT:
BUG_ON(!drv->ops->assoc);
wdev->conn->state = CFG80211_CONN_ASSOCIATING;
* that some APs don't like that -- so we'd need to retry
* the association.
*/
- err = cfg80211_mlme_assoc(drv, wdev->netdev,
- params->channel, params->bssid, NULL,
- params->ssid, params->ssid_len,
- params->ie, params->ie_len,
- false, ¶ms->crypto);
+ err = __cfg80211_mlme_assoc(drv, wdev->netdev,
+ params->channel, params->bssid,
+ NULL,
+ params->ssid, params->ssid_len,
+ params->ie, params->ie_len,
+ false, ¶ms->crypto);
if (err)
- cfg80211_mlme_deauth(drv, wdev->netdev, params->bssid,
- NULL, 0, WLAN_REASON_DEAUTH_LEAVING);
+ __cfg80211_mlme_deauth(drv, wdev->netdev, params->bssid,
+ NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING);
return err;
default:
return 0;
struct wireless_dev *wdev;
rtnl_lock();
+ cfg80211_lock_rdev(drv);
mutex_lock(&drv->devlist_mtx);
list_for_each_entry(wdev, &drv->netdev_list, list) {
- if (!netif_running(wdev->netdev))
+ wdev_lock(wdev);
+ if (!netif_running(wdev->netdev)) {
+ wdev_unlock(wdev);
continue;
- if (wdev->sme_state != CFG80211_SME_CONNECTING)
+ }
+ if (wdev->sme_state != CFG80211_SME_CONNECTING) {
+ wdev_unlock(wdev);
continue;
+ }
if (cfg80211_conn_do_work(wdev))
- cfg80211_connect_result(wdev->netdev,
- wdev->conn->params.bssid,
- NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_ATOMIC);
+ __cfg80211_connect_result(
+ wdev->netdev,
+ wdev->conn->params.bssid,
+ NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ false);
+ wdev_unlock(wdev);
}
mutex_unlock(&drv->devlist_mtx);
+ cfg80211_unlock_rdev(drv);
rtnl_unlock();
}
struct cfg80211_bss *bss;
u16 capa = WLAN_CAPABILITY_ESS;
+ ASSERT_WDEV_LOCK(wdev);
+
if (wdev->conn->params.privacy)
capa |= WLAN_CAPABILITY_PRIVACY;
return true;
}
-void cfg80211_sme_scan_done(struct net_device *dev)
+static void __cfg80211_sme_scan_done(struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *drv = wiphy_to_dev(wdev->wiphy);
+ ASSERT_WDEV_LOCK(wdev);
+
if (wdev->sme_state != CFG80211_SME_CONNECTING)
return;
if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)
schedule_work(&drv->conn_work);
else
- cfg80211_connect_result(dev, wdev->conn->params.bssid,
- NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_ATOMIC);
- return;
+ __cfg80211_connect_result(
+ wdev->netdev,
+ wdev->conn->params.bssid,
+ NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ false);
}
}
-void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
+void cfg80211_sme_scan_done(struct net_device *dev)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ wdev_lock(wdev);
+ __cfg80211_sme_scan_done(dev);
+ wdev_unlock(wdev);
+}
+
+void cfg80211_sme_rx_auth(struct net_device *dev,
+ const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
u16 status_code = le16_to_cpu(mgmt->u.auth.status_code);
+ ASSERT_WDEV_LOCK(wdev);
+
/* should only RX auth frames when connecting */
if (wdev->sme_state != CFG80211_SME_CONNECTING)
return;
}
}
-static 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, gfp_t gfp)
+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)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_bss *bss;
union iwreq_data wrqu;
#endif
+ ASSERT_WDEV_LOCK(wdev);
+
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return;
if (wdev->sme_state == CFG80211_SME_CONNECTED)
nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), dev,
bssid, req_ie, req_ie_len,
- resp_ie, resp_ie_len, gfp);
+ resp_ie, resp_ie_len, GFP_KERNEL);
else
nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev,
bssid, req_ie, req_ie_len,
resp_ie, resp_ie_len,
- status, gfp);
+ status, GFP_KERNEL);
#ifdef CONFIG_WIRELESS_EXT
if (wextev) {
const u8 *resp_ie, size_t resp_ie_len,
u16 status, gfp_t gfp)
{
- bool wextev = status == WLAN_STATUS_SUCCESS;
- __cfg80211_connect_result(dev, bssid, req_ie, req_ie_len, resp_ie, resp_ie_len, status, wextev, 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) + req_ie_len + resp_ie_len, gfp);
+ if (!ev)
+ return;
+
+ ev->type = EVENT_CONNECT_RESULT;
+ memcpy(ev->cr.bssid, bssid, ETH_ALEN);
+ ev->cr.req_ie = ((u8 *)ev) + sizeof(*ev);
+ ev->cr.req_ie_len = req_ie_len;
+ memcpy((void *)ev->cr.req_ie, req_ie, req_ie_len);
+ ev->cr.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len;
+ ev->cr.resp_ie_len = resp_ie_len;
+ memcpy((void *)ev->cr.resp_ie, resp_ie, resp_ie_len);
+ ev->cr.status = status;
+
+ 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_connect_result);
-void cfg80211_roamed(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, gfp_t gfp)
+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)
{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_bss *bss;
#ifdef CONFIG_WIRELESS_EXT
union iwreq_data wrqu;
#endif
+ ASSERT_WDEV_LOCK(wdev);
+
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return;
cfg80211_hold_bss(bss_from_pub(bss));
wdev->current_bss = bss_from_pub(bss);
- nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), dev, bssid,
- req_ie, req_ie_len, resp_ie, resp_ie_len, gfp);
+ nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), wdev->netdev, bssid,
+ req_ie, req_ie_len, resp_ie, resp_ie_len,
+ GFP_KERNEL);
#ifdef CONFIG_WIRELESS_EXT
if (req_ie) {
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = req_ie_len;
- wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, req_ie);
+ wireless_send_event(wdev->netdev, IWEVASSOCRESPIE,
+ &wrqu, req_ie);
}
if (resp_ie) {
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = resp_ie_len;
- wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie);
+ wireless_send_event(wdev->netdev, IWEVASSOCRESPIE,
+ &wrqu, resp_ie);
}
memset(&wrqu, 0, sizeof(wrqu));
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
- wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+ wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL);
#endif
}
+
+void cfg80211_roamed(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, 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) + req_ie_len + resp_ie_len, gfp);
+ if (!ev)
+ return;
+
+ ev->type = EVENT_ROAMED;
+ memcpy(ev->rm.bssid, bssid, ETH_ALEN);
+ ev->rm.req_ie = ((u8 *)ev) + sizeof(*ev);
+ ev->rm.req_ie_len = req_ie_len;
+ memcpy((void *)ev->rm.req_ie, req_ie, req_ie_len);
+ ev->rm.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len;
+ ev->rm.resp_ie_len = resp_ie_len;
+ memcpy((void *)ev->rm.resp_ie, resp_ie, resp_ie_len);
+
+ 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_roamed);
-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)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
union iwreq_data wrqu;
#endif
+ ASSERT_WDEV_LOCK(wdev);
+
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return;
}
nl80211_send_disconnected(wiphy_to_dev(wdev->wiphy), dev,
- reason, ie, ie_len, from_ap, gfp);
+ reason, ie, ie_len, from_ap);
#ifdef CONFIG_WIRELESS_EXT
memset(&wrqu, 0, sizeof(wrqu));
void cfg80211_disconnected(struct net_device *dev, u16 reason,
u8 *ie, size_t ie_len, gfp_t gfp)
{
- __cfg80211_disconnected(dev, gfp, ie, ie_len, reason, true);
+ 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) + ie_len, gfp);
+ if (!ev)
+ return;
+
+ ev->type = EVENT_DISCONNECTED;
+ ev->dc.ie = ((u8 *)ev) + sizeof(*ev);
+ ev->dc.ie_len = ie_len;
+ memcpy((void *)ev->dc.ie, ie, ie_len);
+ ev->dc.reason = reason;
+
+ 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_disconnected);
-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 err;
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ ASSERT_WDEV_LOCK(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE)
return -EALREADY;
}
}
-int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev, u16 reason, bool wextev)
+int cfg80211_connect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_connect_params *connect)
+{
+ int err;
+
+ wdev_lock(dev->ieee80211_ptr);
+ err = __cfg80211_connect(rdev, dev, connect);
+ wdev_unlock(dev->ieee80211_ptr);
+
+ return err;
+}
+
+int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, u16 reason, bool wextev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
+ ASSERT_WDEV_LOCK(wdev);
+
if (wdev->sme_state == CFG80211_SME_IDLE)
return -EINVAL;
}
/* wdev->conn->params.bssid must be set if > SCANNING */
- err = cfg80211_mlme_deauth(rdev, dev, wdev->conn->params.bssid,
- NULL, 0, reason);
+ err = __cfg80211_mlme_deauth(rdev, dev,
+ wdev->conn->params.bssid,
+ NULL, 0, reason);
if (err)
return err;
} else {
}
if (wdev->sme_state == CFG80211_SME_CONNECTED)
- __cfg80211_disconnected(dev, GFP_KERNEL, NULL, 0, 0, false);
+ __cfg80211_disconnected(dev, NULL, 0, 0, false);
else if (wdev->sme_state == CFG80211_SME_CONNECTING)
__cfg80211_connect_result(dev, NULL, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
- wextev, GFP_KERNEL);
+ wextev);
return 0;
}
+int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ u16 reason, bool wextev)
+{
+ int err;
+
+ wdev_lock(dev->ieee80211_ptr);
+ err = __cfg80211_disconnect(rdev, dev, reason, wextev);
+ wdev_unlock(dev->ieee80211_ptr);
+
+ return err;
+}
+
void cfg80211_sme_disassoc(struct net_device *dev, int idx)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
u8 bssid[ETH_ALEN];
+ ASSERT_WDEV_LOCK(wdev);
+
if (!wdev->conn)
return;
{
int err;
+ ASSERT_RDEV_LOCK(rdev);
+ ASSERT_WDEV_LOCK(wdev);
+
if (!netif_running(wdev->netdev))
return 0;
err = 0;
if (wdev->wext.connect.ssid_len != 0)
- err = cfg80211_connect(rdev, wdev->netdev,
- &wdev->wext.connect);
+ err = __cfg80211_connect(rdev, wdev->netdev,
+ &wdev->wext.connect);
return err;
}
if (chan && (chan->flags & IEEE80211_CHAN_DISABLED))
return -EINVAL;
- if (wdev->wext.connect.channel == chan)
- return 0;
+ cfg80211_lock_rdev(rdev);
+ wdev_lock(wdev);
+
+ if (wdev->wext.connect.channel == chan) {
+ err = 0;
+ goto out;
+ }
if (wdev->sme_state != CFG80211_SME_IDLE) {
bool event = true;
/* if SSID set, we'll try right again, avoid event */
if (wdev->wext.connect.ssid_len)
event = false;
- err = cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
- dev, WLAN_REASON_DEAUTH_LEAVING,
- event);
+ err = __cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
+ dev, WLAN_REASON_DEAUTH_LEAVING,
+ event);
if (err)
- return err;
+ goto out;
}
+
wdev->wext.connect.channel = chan;
/* SSID is not set, we just want to switch channel */
if (wdev->wext.connect.ssid_len && chan) {
- if (!rdev->ops->set_channel)
- return -EOPNOTSUPP;
-
- return rdev->ops->set_channel(wdev->wiphy, chan,
- NL80211_CHAN_NO_HT);
+ err = -EOPNOTSUPP;
+ if (rdev->ops->set_channel)
+ err = rdev->ops->set_channel(wdev->wiphy, chan,
+ NL80211_CHAN_NO_HT);
+ goto out;
}
- return cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
+ err = cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
+ out:
+ wdev_unlock(wdev);
+ cfg80211_unlock_rdev(rdev);
+ return err;
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwfreq);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return -EINVAL;
+ wdev_lock(wdev);
if (wdev->current_bss)
chan = wdev->current_bss->pub.channel;
else if (wdev->wext.connect.channel)
chan = wdev->wext.connect.channel;
+ wdev_unlock(wdev);
if (chan) {
freq->m = chan->center_freq;
if (len > 0 && ssid[len - 1] == '\0')
len--;
+ cfg80211_lock_rdev(wiphy_to_dev(wdev->wiphy));
+ wdev_lock(wdev);
+
+ err = 0;
+
if (wdev->wext.connect.ssid && len &&
len == wdev->wext.connect.ssid_len &&
memcmp(wdev->wext.connect.ssid, ssid, len))
- return 0;
+ goto out;
if (wdev->sme_state != CFG80211_SME_IDLE) {
bool event = true;
/* if SSID set now, we'll try to connect, avoid event */
if (len)
event = false;
- err = cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
- dev, WLAN_REASON_DEAUTH_LEAVING,
- event);
+ err = __cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
+ dev, WLAN_REASON_DEAUTH_LEAVING,
+ event);
if (err)
- return err;
+ goto out;
}
wdev->wext.connect.ssid = wdev->wext.ssid;
wdev->wext.connect.crypto.control_port = false;
- return cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
+ err = cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
+ out:
+ wdev_unlock(wdev);
+ cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
+ return err;
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwessid);
data->flags = 0;
+ wdev_lock(wdev);
if (wdev->ssid_len) {
data->flags = 1;
data->length = wdev->ssid_len;
memcpy(ssid, wdev->wext.connect.ssid, data->length);
} else
data->flags = 0;
+ wdev_unlock(wdev);
return 0;
}
if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
bssid = NULL;
+ cfg80211_lock_rdev(wiphy_to_dev(wdev->wiphy));
+ wdev_lock(wdev);
+
+ err = 0;
/* both automatic */
if (!bssid && !wdev->wext.connect.bssid)
- return 0;
+ goto out;
/* fixed already - and no change */
if (wdev->wext.connect.bssid && bssid &&
compare_ether_addr(bssid, wdev->wext.connect.bssid) == 0)
- return 0;
+ goto out;
if (wdev->sme_state != CFG80211_SME_IDLE) {
- err = cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
- dev, WLAN_REASON_DEAUTH_LEAVING,
- false);
+ err = __cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
+ dev, WLAN_REASON_DEAUTH_LEAVING,
+ false);
if (err)
- return err;
+ goto out;
}
if (bssid) {
} else
wdev->wext.connect.bssid = NULL;
- return cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
+ err = cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
+ out:
+ wdev_unlock(wdev);
+ cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
+ return err;
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwap);
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 if (wdev->wext.connect.bssid)
memcpy(ap_addr->sa_data, wdev->wext.connect.bssid, ETH_ALEN);
else
memset(ap_addr->sa_data, 0, ETH_ALEN);
+ wdev_unlock(wdev);
return 0;
}
if (!ie_len)
ie = NULL;
+ wdev_lock(wdev);
+
/* no change */
+ err = 0;
if (wdev->wext.ie_len == ie_len &&
memcmp(wdev->wext.ie, ie, ie_len) == 0)
- return 0;
+ goto out;
if (ie_len) {
ie = kmemdup(extra, ie_len, GFP_KERNEL);
- if (!ie)
- return -ENOMEM;
+ if (!ie) {
+ err = -ENOMEM;
+ goto out;
+ }
} else
ie = NULL;
wdev->wext.ie_len = ie_len;
if (wdev->sme_state != CFG80211_SME_IDLE) {
- err = cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, false);
+ err = __cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
- return err;
+ goto out;
}
/* userspace better not think we'll reconnect */
- return 0;
+ err = 0;
+ out:
+ wdev_unlock(wdev);
+ return err;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwgenie);
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct iw_mlme *mlme = (struct iw_mlme *)extra;
struct cfg80211_registered_device *rdev;
+ int err;
if (!wdev)
return -EOPNOTSUPP;
if (mlme->addr.sa_family != ARPHRD_ETHER)
return -EINVAL;
+ wdev_lock(wdev);
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
case IW_MLME_DISASSOC:
- return cfg80211_disconnect(rdev, dev, mlme->reason_code,
- true);
+ err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
+ true);
+ break;
default:
- return -EOPNOTSUPP;
+ err = -EOPNOTSUPP;
+ break;
}
+ wdev_unlock(wdev);
+
+ return err;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);
git.openpandora.org / pandora-kernel.git / commitdiff