* is no guarantee that these are well-formed!)
* @len_information_elements: total length of the information elements
* @signal: signal strength value (type depends on the wiphy's signal_type)
- * @hold: BSS should not expire
* @free_priv: function pointer to free private data
* @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
*/
*
* This structure provides information needed to complete IEEE 802.11
* authentication.
- * NOTE: This structure will likely change when more code from mac80211 is
- * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
- * Before using this in a driver that does not use mac80211, it would be better
- * to check the status of that work and better yet, volunteer to work on it.
- *
- * @chan: The channel to use or %NULL if not specified (auto-select based on
- * scan results)
- * @peer_addr: The address of the peer STA (AP BSSID in infrastructure case);
- * this field is required to be present; if the driver wants to help with
- * BSS selection, it should use (yet to be added) MLME event to allow user
- * space SME to be notified of roaming candidate, so that the SME can then
- * use the authentication request with the recommended BSSID and whatever
- * other data may be needed for authentication/association
- * @ssid: SSID or %NULL if not yet available
- * @ssid_len: Length of ssid in octets
+ *
+ * @bss: The BSS to authenticate with.
* @auth_type: Authentication type (algorithm)
* @ie: Extra IEs to add to Authentication frame or %NULL
* @ie_len: Length of ie buffer in octets
*/
struct cfg80211_auth_request {
- struct ieee80211_channel *chan;
- u8 *peer_addr;
- const u8 *ssid;
- size_t ssid_len;
- enum nl80211_auth_type auth_type;
+ struct cfg80211_bss *bss;
const u8 *ie;
size_t ie_len;
+ enum nl80211_auth_type auth_type;
};
/**
*
* This structure provides information needed to complete IEEE 802.11
* (re)association.
- * NOTE: This structure will likely change when more code from mac80211 is
- * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
- * Before using this in a driver that does not use mac80211, it would be better
- * to check the status of that work and better yet, volunteer to work on it.
- *
- * @chan: The channel to use or %NULL if not specified (auto-select based on
- * scan results)
- * @peer_addr: The address of the peer STA (AP BSSID); this field is required
- * to be present and the STA must be in State 2 (authenticated) with the
- * peer STA
- * @ssid: SSID
- * @ssid_len: Length of ssid in octets
+ * @bss: The BSS to associate with.
* @ie: Extra IEs to add to (Re)Association Request frame or %NULL
* @ie_len: Length of ie buffer in octets
* @use_mfp: Use management frame protection (IEEE 802.11w) in this association
* @crypto: crypto settings
*/
struct cfg80211_assoc_request {
- struct ieee80211_channel *chan;
- u8 *peer_addr;
- const u8 *ssid;
- size_t ssid_len;
+ struct cfg80211_bss *bss;
const u8 *ie;
size_t ie_len;
- bool use_mfp;
struct cfg80211_crypto_settings crypto;
+ bool use_mfp;
};
/**
* This structure provides information needed to complete IEEE 802.11
* deauthentication.
*
- * @peer_addr: The address of the peer STA (AP BSSID); this field is required
- * to be present and the STA must be authenticated with the peer STA
+ * @bss: the BSS to deauthenticate from
* @ie: Extra IEs to add to Deauthentication frame or %NULL
* @ie_len: Length of ie buffer in octets
+ * @reason_code: The reason code for the deauthentication
*/
struct cfg80211_deauth_request {
- u8 *peer_addr;
- u16 reason_code;
+ struct cfg80211_bss *bss;
const u8 *ie;
size_t ie_len;
+ u16 reason_code;
};
/**
* This structure provides information needed to complete IEEE 802.11
* disassocation.
*
- * @peer_addr: The address of the peer STA (AP BSSID); this field is required
- * to be present and the STA must be associated with the peer STA
+ * @bss: the BSS to disassociate from
* @ie: Extra IEs to add to Disassociation frame or %NULL
* @ie_len: Length of ie buffer in octets
+ * @reason_code: The reason code for the disassociation
*/
struct cfg80211_disassoc_request {
- u8 *peer_addr;
- u16 reason_code;
+ struct cfg80211_bss *bss;
const u8 *ie;
size_t ie_len;
+ u16 reason_code;
};
/**
/* internal struct */
struct cfg80211_conn;
+struct cfg80211_internal_bss;
+
+#define MAX_AUTH_BSSES 4
/**
* struct wireless_dev - wireless per-netdev state
struct net_device *netdev;
/* currently used for IBSS and SME - might be rearranged later */
- struct cfg80211_bss *current_bss;
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 ssid_len;
enum {
} sme_state;
struct cfg80211_conn *conn;
+ 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 */
+
#ifdef CONFIG_WIRELESS_EXT
/* wext data */
struct {
void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp);
/**
- * cfg80211_hold_bss - exclude bss from expiration
- * @bss: bss which should not expire
- *
- * In a case when the BSS is not updated but it shouldn't expire this
- * function can be used to mark the BSS to be excluded from expiration.
- */
-void cfg80211_hold_bss(struct cfg80211_bss *bss);
-
-/**
- * cfg80211_unhold_bss - remove expiration exception from the BSS
- * @bss: bss which can expire again
- *
- * This function marks the BSS to be expirable again.
- */
-void cfg80211_unhold_bss(struct cfg80211_bss *bss);
-
-/**
* cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
* @dev: network device
* @addr: The source MAC address of the frame
struct cfg80211_auth_request *req)
{
struct ieee80211_sub_if_data *sdata;
+ const u8 *ssid;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
return -EOPNOTSUPP;
}
- memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
+ memcpy(sdata->u.mgd.bssid, req->bss->bssid, ETH_ALEN);
- sdata->local->oper_channel = req->chan;
+ sdata->local->oper_channel = req->bss->channel;
ieee80211_hw_config(sdata->local, 0);
- if (!req->ssid)
+ ssid = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
+ if (!ssid)
return -EINVAL;
- memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
- sdata->u.mgd.ssid_len = req->ssid_len;
+ sdata->u.mgd.ssid_len = *(ssid + 1);
+ memcpy(sdata->u.mgd.ssid, ssid + 2, sdata->u.mgd.ssid_len);
kfree(sdata->u.mgd.sme_auth_ie);
sdata->u.mgd.sme_auth_ie = NULL;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
+ if (memcmp(sdata->u.mgd.bssid, req->bss->bssid, ETH_ALEN) != 0 ||
!(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
return -ENOLINK; /* not authenticated */
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104)
sdata->u.mgd.flags |= IEEE80211_STA_DISABLE_11N;
- sdata->local->oper_channel = req->chan;
+ sdata->local->oper_channel = req->bss->channel;
ieee80211_hw_config(sdata->local, 0);
- if (!req->ssid)
- return -EINVAL;
-
- memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
- sdata->u.mgd.ssid_len = req->ssid_len;
-
ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
if (ret && ret != -EALREADY)
return ret;
bss_info_changed |= ieee80211_handle_bss_capability(sdata,
bss->cbss.capability, bss->has_erp_value, bss->erp_value);
- cfg80211_hold_bss(&bss->cbss);
-
ieee80211_rx_bss_put(local, bss);
}
conf->channel->center_freq,
ifmgd->ssid, ifmgd->ssid_len);
- if (bss) {
- cfg80211_unhold_bss(&bss->cbss);
+ if (bss)
ieee80211_rx_bss_put(local, bss);
- }
if (self_disconnected) {
if (deauth)
#endif
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
+ cfg80211_mlme_down(rdev, dev);
break;
default:
break;
}
break;
- case NETDEV_DOWN:
- kfree(wdev->conn);
- wdev->conn = NULL;
- break;
case NETDEV_UP:
#ifdef CONFIG_WIRELESS_EXT
switch (wdev->iftype) {
struct rb_node rbn;
unsigned long ts;
struct kref ref;
- bool hold, ies_allocated;
+ atomic_t hold;
+ bool ies_allocated;
/* must be last because of priv member */
struct cfg80211_bss pub;
};
+static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
+{
+ return container_of(pub, struct cfg80211_internal_bss, pub);
+}
+
+static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
+{
+ atomic_inc(&bss->hold);
+}
+
+static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
+{
+ int r = atomic_dec_return(&bss->hold);
+ WARN_ON(r < 0);
+}
+
+
struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx);
int get_wiphy_idx(struct wiphy *wiphy);
int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
+/* 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_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, struct ieee80211_channel *chan,
+ const u8 *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_disassoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason);
+void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
+ struct net_device *dev);
+
/* SME */
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
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);
#endif /* __NET_WIRELESS_CORE_H */
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;
+ 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
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;
return -EINVAL;
if (wdev->current_bss)
- chan = wdev->current_bss->channel;
+ chan = wdev->current_bss->pub.channel;
else if (wdev->wext.ibss.channel)
chan = wdev->wext.ibss.channel;
ap_addr->sa_family = ARPHRD_ETHER;
if (wdev->current_bss)
- memcpy(ap_addr->sa_data, wdev->current_bss->bssid, ETH_ALEN);
+ memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
else
memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN);
return 0;
void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
- struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
+ u8 *bssid = mgmt->bssid;
+ int i;
+ u16 status = le16_to_cpu(mgmt->u.auth.status_code);
+ bool done = false;
+
+ for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (wdev->authtry_bsses[i] &&
+ memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid,
+ ETH_ALEN) == 0) {
+ if (status == WLAN_STATUS_SUCCESS) {
+ wdev->auth_bsses[i] = wdev->authtry_bsses[i];
+ } else {
+ cfg80211_unhold_bss(wdev->authtry_bsses[i]);
+ cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
+ }
+ wdev->authtry_bsses[i] = NULL;
+ done = true;
+ break;
+ }
+ }
+
+ WARN_ON(!done);
nl80211_send_rx_auth(rdev, dev, buf, len, gfp);
cfg80211_sme_rx_auth(dev, buf, len);
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
u8 *ie = mgmt->u.assoc_resp.variable;
- int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
+ int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
+ bool done;
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
status_code, gfp);
+
+ if (status_code == WLAN_STATUS_SUCCESS) {
+ for (i = 0; wdev->current_bss && i < MAX_AUTH_BSSES; i++) {
+ if (wdev->auth_bsses[i] == wdev->current_bss) {
+ cfg80211_unhold_bss(wdev->auth_bsses[i]);
+ cfg80211_put_bss(&wdev->auth_bsses[i]->pub);
+ wdev->auth_bsses[i] = NULL;
+ done = true;
+ break;
+ }
+ }
+
+ WARN_ON(!done);
+ }
}
EXPORT_SYMBOL(cfg80211_send_rx_assoc);
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
+ const u8 *bssid = mgmt->bssid;
+ int i;
+ bool done = false;
nl80211_send_deauth(rdev, dev, buf, len, gfp);
+ if (wdev->current_bss &&
+ memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
+ done = true;
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
+ wdev->current_bss = NULL;
+ } else for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (wdev->auth_bsses[i] &&
+ memcmp(wdev->auth_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) {
+ cfg80211_unhold_bss(wdev->auth_bsses[i]);
+ cfg80211_put_bss(&wdev->auth_bsses[i]->pub);
+ wdev->auth_bsses[i] = NULL;
+ done = true;
+ break;
+ }
+ if (wdev->authtry_bsses[i] &&
+ memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) {
+ cfg80211_unhold_bss(wdev->authtry_bsses[i]);
+ cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
+ wdev->authtry_bsses[i] = NULL;
+ done = true;
+ break;
+ }
+ }
+/*
+ * mac80211 currently triggers this warning,
+ * so disable for now (it's harmless, just
+ * means that we got a spurious event)
+
+ WARN_ON(!done);
+
+ */
+
if (wdev->sme_state == CFG80211_SME_CONNECTED) {
u16 reason_code;
bool from_ap;
from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0;
__cfg80211_disconnected(dev, gfp, NULL, 0,
reason_code, from_ap);
-
- wdev->sme_state = CFG80211_SME_IDLE;
} else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE, gfp);
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
+ const u8 *bssid = mgmt->bssid;
+ int i;
+ u16 reason_code;
+ bool from_ap;
+ bool done = false;
nl80211_send_disassoc(rdev, dev, buf, len, gfp);
- if (wdev->sme_state == CFG80211_SME_CONNECTED) {
- u16 reason_code;
- bool from_ap;
+ if (!wdev->sme_state == CFG80211_SME_CONNECTED)
+ return;
- reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+ if (wdev->current_bss &&
+ memcmp(wdev->current_bss, bssid, ETH_ALEN) == 0) {
+ for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (wdev->authtry_bsses[i] || wdev->auth_bsses[i])
+ continue;
+ wdev->auth_bsses[i] = wdev->current_bss;
+ wdev->current_bss = NULL;
+ done = true;
+ cfg80211_sme_disassoc(dev, i);
+ break;
+ }
+ WARN_ON(!done);
+ } else
+ WARN_ON(1);
- from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0;
- __cfg80211_disconnected(dev, gfp, NULL, 0,
- reason_code, from_ap);
- wdev->sme_state = CFG80211_SME_IDLE;
- }
+ 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, NULL, 0,
+ reason_code, from_ap);
}
EXPORT_SYMBOL(cfg80211_send_disassoc);
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ int i;
+ bool done = false;
+
nl80211_send_auth_timeout(rdev, dev, addr, gfp);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE, gfp);
- wdev->sme_state = CFG80211_SME_IDLE;
+
+ for (i = 0; addr && i < MAX_AUTH_BSSES; i++) {
+ if (wdev->authtry_bsses[i] &&
+ memcmp(wdev->authtry_bsses[i]->pub.bssid,
+ addr, ETH_ALEN) == 0) {
+ cfg80211_unhold_bss(wdev->authtry_bsses[i]);
+ cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
+ wdev->authtry_bsses[i] = NULL;
+ done = true;
+ break;
+ }
+ }
+
+ WARN_ON(!done);
}
EXPORT_SYMBOL(cfg80211_send_auth_timeout);
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ int i;
+ bool done = false;
+
nl80211_send_assoc_timeout(rdev, dev, addr, gfp);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE, gfp);
- wdev->sme_state = CFG80211_SME_IDLE;
+
+ for (i = 0; addr && i < MAX_AUTH_BSSES; i++) {
+ if (wdev->auth_bsses[i] &&
+ memcmp(wdev->auth_bsses[i]->pub.bssid,
+ addr, ETH_ALEN) == 0) {
+ cfg80211_unhold_bss(wdev->auth_bsses[i]);
+ cfg80211_put_bss(&wdev->auth_bsses[i]->pub);
+ wdev->auth_bsses[i] = NULL;
+ done = true;
+ break;
+ }
+ }
+
+ WARN_ON(!done);
}
EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp);
}
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)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_auth_request req;
+ struct cfg80211_internal_bss *bss;
+ int i, err, slot = -1, nfree = 0;
+
+ memset(&req, 0, sizeof(req));
+
+ req.ie = ie;
+ req.ie_len = ie_len;
+ req.auth_type = auth_type;
+ req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
+ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+ if (!req.bss)
+ return -ENOENT;
+
+ bss = bss_from_pub(req.bss);
+
+ for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (bss == wdev->auth_bsses[i]) {
+ err = -EALREADY;
+ goto out;
+ }
+ }
+
+ for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (!wdev->auth_bsses[i] && !wdev->authtry_bsses[i]) {
+ slot = i;
+ nfree++;
+ }
+ }
+
+ /* we need one free slot for disassoc and one for this auth */
+ if (nfree < 2) {
+ err = -ENOSPC;
+ goto out;
+ }
+
+ wdev->authtry_bsses[slot] = bss;
+ cfg80211_hold_bss(bss);
+
+ err = rdev->ops->auth(&rdev->wiphy, dev, &req);
+ if (err) {
+ wdev->authtry_bsses[slot] = NULL;
+ cfg80211_unhold_bss(bss);
+ }
+
+ out:
+ if (err)
+ cfg80211_put_bss(req.bss);
+ return err;
+}
+
+int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, struct ieee80211_channel *chan,
+ const u8 *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;
+
+ memset(&req, 0, sizeof(req));
+
+ if (wdev->current_bss)
+ return -EALREADY;
+
+ req.ie = ie;
+ req.ie_len = ie_len;
+ memcpy(&req.crypto, crypt, sizeof(req.crypto));
+ req.use_mfp = use_mfp;
+ req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
+ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+ if (!req.bss)
+ return -ENOENT;
+
+ bss = bss_from_pub(req.bss);
+
+ for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (bss == wdev->auth_bsses[i]) {
+ slot = i;
+ break;
+ }
+ }
+
+ if (slot < 0) {
+ err = -ENOTCONN;
+ goto out;
+ }
+
+ err = rdev->ops->assoc(&rdev->wiphy, dev, &req);
+ out:
+ /* still a reference in wdev->auth_bsses[slot] */
+ cfg80211_put_bss(req.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)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_deauth_request req;
+ int i;
+
+ memset(&req, 0, sizeof(req));
+ req.reason_code = reason;
+ req.ie = ie;
+ req.ie_len = ie_len;
+ if (wdev->current_bss &&
+ memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
+ req.bss = &wdev->current_bss->pub;
+ } else for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (wdev->auth_bsses[i] &&
+ memcmp(bssid, wdev->auth_bsses[i]->pub.bssid, ETH_ALEN) == 0) {
+ req.bss = &wdev->auth_bsses[i]->pub;
+ break;
+ }
+ if (wdev->authtry_bsses[i] &&
+ memcmp(bssid, wdev->authtry_bsses[i]->pub.bssid, ETH_ALEN) == 0) {
+ req.bss = &wdev->authtry_bsses[i]->pub;
+ break;
+ }
+ }
+
+ if (!req.bss)
+ return -ENOTCONN;
+
+ return rdev->ops->deauth(&rdev->wiphy, dev, &req);
+}
+
+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;
+
+ memset(&req, 0, sizeof(req));
+ req.reason_code = reason;
+ req.ie = ie;
+ req.ie_len = ie_len;
+ if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0)
+ req.bss = &wdev->current_bss->pub;
+ else
+ return -ENOTCONN;
+
+ return rdev->ops->disassoc(&rdev->wiphy, dev, &req);
+}
+
+void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_deauth_request req;
+ int i;
+
+ if (!rdev->ops->deauth)
+ return;
+
+ memset(&req, 0, sizeof(req));
+ req.reason_code = WLAN_REASON_DEAUTH_LEAVING;
+ req.ie = NULL;
+ req.ie_len = 0;
+
+ if (wdev->current_bss) {
+ req.bss = &wdev->current_bss->pub;
+ rdev->ops->deauth(&rdev->wiphy, dev, &req);
+ if (wdev->current_bss) {
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
+ wdev->current_bss = NULL;
+ }
+ }
+
+ 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);
+ if (wdev->auth_bsses[i]) {
+ cfg80211_unhold_bss(wdev->auth_bsses[i]);
+ cfg80211_put_bss(&wdev->auth_bsses[i]->pub);
+ wdev->auth_bsses[i] = NULL;
+ }
+ }
+ if (wdev->authtry_bsses[i]) {
+ req.bss = &wdev->authtry_bsses[i]->pub;
+ rdev->ops->deauth(&rdev->wiphy, dev, &req);
+ if (wdev->authtry_bsses[i]) {
+ cfg80211_unhold_bss(wdev->authtry_bsses[i]);
+ cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
+ wdev->authtry_bsses[i] = NULL;
+ }
+ }
+ }
+}
{
struct cfg80211_registered_device *drv;
struct net_device *dev;
- struct cfg80211_auth_request req;
- struct wiphy *wiphy;
- int err;
+ struct ieee80211_channel *chan;
+ const u8 *bssid, *ssid, *ie = NULL;
+ int err, ssid_len, ie_len = 0;
+ enum nl80211_auth_type auth_type;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
return -EINVAL;
+ if (!info->attrs[NL80211_ATTR_SSID])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
rtnl_lock();
err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
-
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
-
- if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
- req.chan = ieee80211_get_channel(
- wiphy,
- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
- if (!req.chan) {
- err = -EINVAL;
- goto out;
- }
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ chan = ieee80211_get_channel(&drv->wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) {
+ err = -EINVAL;
+ goto out;
}
- if (info->attrs[NL80211_ATTR_SSID]) {
- req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
- req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
- }
+ ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- req.auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
- if (!nl80211_valid_auth_type(req.auth_type)) {
+ auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
+ if (!nl80211_valid_auth_type(auth_type)) {
err = -EINVAL;
goto out;
}
- err = drv->ops->auth(&drv->wiphy, dev, &req);
+ err = cfg80211_mlme_auth(drv, dev, chan, auth_type, bssid,
+ ssid, ssid_len, ie, ie_len);
out:
cfg80211_put_dev(drv);
static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct net_device *dev;
- struct cfg80211_assoc_request req;
- struct wiphy *wiphy;
- int err;
+ struct cfg80211_crypto_settings crypto;
+ struct ieee80211_channel *chan;
+ const u8 *bssid, *ssid, *ie = NULL;
+ int err, ssid_len, ie_len = 0;
+ bool use_mfp = false;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
if (!info->attrs[NL80211_ATTR_MAC] ||
- !info->attrs[NL80211_ATTR_SSID])
+ !info->attrs[NL80211_ATTR_SSID] ||
+ !info->attrs[NL80211_ATTR_WIPHY_FREQ])
return -EINVAL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->assoc) {
+ if (!rdev->ops->assoc) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
-
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
- req.chan = ieee80211_get_channel(
- wiphy,
- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
- if (!req.chan) {
- err = -EINVAL;
- goto out;
- }
+ chan = ieee80211_get_channel(&rdev->wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) {
+ err = -EINVAL;
+ goto out;
}
- req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
- req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+ ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
if (info->attrs[NL80211_ATTR_USE_MFP]) {
enum nl80211_mfp use_mfp =
nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
if (use_mfp == NL80211_MFP_REQUIRED)
- req.use_mfp = true;
+ use_mfp = true;
else if (use_mfp != NL80211_MFP_NO) {
err = -EINVAL;
goto out;
}
}
- err = nl80211_crypto_settings(info, &req.crypto);
+ err = nl80211_crypto_settings(info, &crypto);
if (!err)
- err = drv->ops->assoc(&drv->wiphy, dev, &req);
+ err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, ssid,
+ ssid_len, ie, ie_len, use_mfp,
+ &crypto);
out:
- cfg80211_put_dev(drv);
+ cfg80211_put_dev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
{
struct cfg80211_registered_device *drv;
struct net_device *dev;
- struct cfg80211_deauth_request req;
- struct wiphy *wiphy;
- int err;
+ const u8 *ie = NULL, *bssid;
+ int err, ie_len = 0;
+ u16 reason_code;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
-
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- req.reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
- if (req.reason_code == 0) {
+ reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+ if (reason_code == 0) {
/* Reason Code 0 is reserved */
err = -EINVAL;
goto out;
}
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = drv->ops->deauth(&drv->wiphy, dev, &req);
+ err = cfg80211_mlme_deauth(drv, dev, bssid, ie, ie_len, reason_code);
out:
cfg80211_put_dev(drv);
{
struct cfg80211_registered_device *drv;
struct net_device *dev;
- struct cfg80211_disassoc_request req;
- struct wiphy *wiphy;
- int err;
+ const u8 *ie = NULL, *bssid;
+ int err, ie_len = 0;
+ u16 reason_code;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
-
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- req.reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
- if (req.reason_code == 0) {
+ reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+ if (reason_code == 0) {
/* Reason Code 0 is reserved */
err = -EINVAL;
goto out;
}
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = drv->ops->disassoc(&drv->wiphy, dev, &req);
+ err = cfg80211_mlme_disassoc(drv, dev, bssid, ie, ie_len, reason_code);
out:
cfg80211_put_dev(drv);
if (bss->ies_allocated)
kfree(bss->pub.information_elements);
+ BUG_ON(atomic_read(&bss->hold));
+
kfree(bss);
}
bool expired = false;
list_for_each_entry_safe(bss, tmp, &dev->bss_list, list) {
- if (bss->hold ||
- !time_after(jiffies, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE))
+ if (atomic_read(&bss->hold))
+ continue;
+ if (!time_after(jiffies, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE))
continue;
list_del(&bss->list);
rb_erase(&bss->rbn, &dev->bss_tree);
}
EXPORT_SYMBOL(cfg80211_unlink_bss);
-void cfg80211_hold_bss(struct cfg80211_bss *pub)
-{
- struct cfg80211_internal_bss *bss;
-
- if (!pub)
- return;
-
- bss = container_of(pub, struct cfg80211_internal_bss, pub);
- bss->hold = true;
-}
-EXPORT_SYMBOL(cfg80211_hold_bss);
-
-void cfg80211_unhold_bss(struct cfg80211_bss *pub)
-{
- struct cfg80211_internal_bss *bss;
-
- if (!pub)
- return;
-
- bss = container_of(pub, struct cfg80211_internal_bss, pub);
- bss->hold = false;
-}
-EXPORT_SYMBOL(cfg80211_unhold_bss);
-
#ifdef CONFIG_WIRELESS_EXT
int cfg80211_wext_siwscan(struct net_device *dev,
struct iw_request_info *info,
static int cfg80211_conn_do_work(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *drv = wiphy_to_dev(wdev->wiphy);
- union {
- struct cfg80211_auth_request auth_req;
- struct cfg80211_assoc_request assoc_req;
- } u;
-
- memset(&u, 0, sizeof(u));
+ struct cfg80211_connect_params *params;
+ int err;
if (!wdev->conn)
return 0;
+ params = &wdev->conn->params;
+
switch (wdev->conn->state) {
case CFG80211_CONN_SCAN_AGAIN:
return cfg80211_conn_scan(wdev);
case CFG80211_CONN_AUTHENTICATE_NEXT:
- u.auth_req.chan = wdev->conn->params.channel;
- u.auth_req.peer_addr = wdev->conn->params.bssid;
- u.auth_req.ssid = wdev->conn->params.ssid;
- u.auth_req.ssid_len = wdev->conn->params.ssid_len;
- u.auth_req.auth_type = wdev->conn->params.auth_type;
- u.auth_req.ie = NULL;
- u.auth_req.ie_len = 0;
- wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
BUG_ON(!drv->ops->auth);
- return drv->ops->auth(wdev->wiphy, wdev->netdev, &u.auth_req);
+ 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);
case CFG80211_CONN_ASSOCIATE_NEXT:
- u.assoc_req.chan = wdev->conn->params.channel;
- u.assoc_req.peer_addr = wdev->conn->params.bssid;
- u.assoc_req.ssid = wdev->conn->params.ssid;
- u.assoc_req.ssid_len = wdev->conn->params.ssid_len;
- u.assoc_req.ie = wdev->conn->params.ie;
- u.assoc_req.ie_len = wdev->conn->params.ie_len;
- u.assoc_req.use_mfp = false;
- memcpy(&u.assoc_req.crypto, &wdev->conn->params.crypto,
- sizeof(u.assoc_req.crypto));
- wdev->conn->state = CFG80211_CONN_ASSOCIATING;
BUG_ON(!drv->ops->assoc);
- return drv->ops->assoc(wdev->wiphy, wdev->netdev,
- &u.assoc_req);
+ wdev->conn->state = CFG80211_CONN_ASSOCIATING;
+ err = cfg80211_mlme_assoc(drv, wdev->netdev,
+ params->channel, params->bssid,
+ 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);
+ return err;
default:
return 0;
}
wdev->conn->params.ssid_len,
WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY,
capa);
-
if (!bss)
return false;
}
wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
schedule_work(&rdev->conn_work);
- } else if (status_code != WLAN_STATUS_SUCCESS)
+ } else if (status_code != WLAN_STATUS_SUCCESS) {
wdev->sme_state = CFG80211_SME_IDLE;
- else if (wdev->sme_state == CFG80211_SME_CONNECTING &&
+ kfree(wdev->conn);
+ wdev->conn = NULL;
+ } else if (wdev->sme_state == CFG80211_SME_CONNECTING &&
wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
schedule_work(&rdev->conn_work);
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;
}
+ if (wdev->conn)
+ wdev->conn->state = CFG80211_CONN_IDLE;
+
if (status == WLAN_STATUS_SUCCESS) {
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
wdev->ssid, wdev->ssid_len,
if (WARN_ON(!bss))
return;
- cfg80211_hold_bss(bss);
- wdev->current_bss = bss;
+ cfg80211_hold_bss(bss_from_pub(bss));
+ wdev->current_bss = bss_from_pub(bss);
wdev->sme_state = CFG80211_SME_CONNECTED;
} else {
wdev->sme_state = CFG80211_SME_IDLE;
+ kfree(wdev->conn);
+ wdev->conn = NULL;
}
-
- if (wdev->conn)
- wdev->conn->state = CFG80211_CONN_IDLE;
}
void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
}
cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
wdev->current_bss = NULL;
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
if (WARN_ON(!bss))
return;
- cfg80211_hold_bss(bss);
- wdev->current_bss = bss;
+ 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);
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;
if (wdev->conn) {
kfree(wdev->conn->ie);
wdev->conn->ie = NULL;
+ kfree(wdev->conn);
+ wdev->conn = NULL;
}
nl80211_send_disconnected(wiphy_to_dev(wdev->wiphy), dev,
if (!rdev->ops->auth || !rdev->ops->assoc)
return -EOPNOTSUPP;
- if (!wdev->conn) {
- wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
- if (!wdev->conn)
- return -ENOMEM;
- } else
- memset(wdev->conn, 0, sizeof(*wdev->conn));
+ if (WARN_ON(wdev->conn))
+ return -EINPROGRESS;
+
+ wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
+ if (!wdev->conn)
+ return -ENOMEM;
/*
* Copy all parameters, and treat explicitly IEs, BSSID, SSID.
wdev->conn->ie = kmemdup(connect->ie, connect->ie_len,
GFP_KERNEL);
wdev->conn->params.ie = wdev->conn->ie;
- if (!wdev->conn->ie)
+ if (!wdev->conn->ie) {
+ kfree(wdev->conn);
+ wdev->conn = NULL;
return -ENOMEM;
+ }
}
if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
wdev->conn->state = CFG80211_CONN_SCAN_AGAIN;
}
}
- if (err)
+ if (err) {
+ kfree(wdev->conn);
+ wdev->conn = NULL;
wdev->sme_state = CFG80211_SME_IDLE;
+ }
return err;
} else {
return -EINVAL;
if (!rdev->ops->disconnect) {
- struct cfg80211_deauth_request deauth;
- u8 bssid[ETH_ALEN];
+ if (!rdev->ops->deauth)
+ return -EOPNOTSUPP;
- /* internal bug. */
- if (WARN_ON(!wdev->conn))
- return -EINVAL;
+ /* was it connected by userspace SME? */
+ if (!wdev->conn) {
+ cfg80211_mlme_down(rdev, dev);
+ return 0;
+ }
if (wdev->sme_state == CFG80211_SME_CONNECTING &&
(wdev->conn->state == CFG80211_CONN_SCANNING ||
wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)) {
wdev->sme_state = CFG80211_SME_IDLE;
+ kfree(wdev->conn);
+ wdev->conn = NULL;
return 0;
}
- if (!rdev->ops->deauth)
- return -EOPNOTSUPP;
-
- memset(&deauth, 0, sizeof(deauth));
-
/* wdev->conn->params.bssid must be set if > SCANNING */
- memcpy(bssid, wdev->conn->params.bssid, ETH_ALEN);
- deauth.peer_addr = bssid;
- deauth.reason_code = reason;
-
- err = rdev->ops->deauth(&rdev->wiphy, dev, &deauth);
+ err = cfg80211_mlme_deauth(rdev, dev, wdev->conn->params.bssid,
+ NULL, 0, reason);
if (err)
return err;
} else {
return 0;
}
+
+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];
+
+ if (!wdev->conn)
+ return;
+
+ if (wdev->conn->state == CFG80211_CONN_IDLE)
+ return;
+
+ /*
+ * Ok, so the association was made by this SME -- we don't
+ * want it any more so deauthenticate too.
+ */
+
+ if (!wdev->auth_bsses[idx])
+ return;
+
+ memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN);
+ if (cfg80211_mlme_deauth(rdev, dev, bssid,
+ NULL, 0, WLAN_REASON_DEAUTH_LEAVING)) {
+ /* whatever -- assume gone anyway */
+ cfg80211_unhold_bss(wdev->auth_bsses[idx]);
+ cfg80211_put_bss(&wdev->auth_bsses[idx]->pub);
+ wdev->auth_bsses[idx] = NULL;
+ }
+}
return -EINVAL;
if (wdev->current_bss)
- chan = wdev->current_bss->channel;
+ chan = wdev->current_bss->pub.channel;
else if (wdev->wext.connect.channel)
chan = wdev->wext.connect.channel;
ap_addr->sa_family = ARPHRD_ETHER;
if (wdev->current_bss)
- memcpy(ap_addr->sa_data, wdev->current_bss->bssid, ETH_ALEN);
+ 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
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff