samsung update 1

1 files changed, 1140 insertions, 0 deletions

diff --git a/net/wireless_ath/mlme.c b/net/wireless_ath/mlme.c
new file mode 100755
index 0000000..6c1bafd
--- /dev/null
+++ b/net/wireless_ath/mlme.c
@@ -0,0 +1,1140 @@
+/*
+ * cfg80211 MLME SAP interface
+ *
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/nl80211.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <net/cfg80211.h>
+#include <net/iw_handler.h>
+#include "core.h"
+#include "nl80211.h"
+
+void cfg80211_send_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 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;
+
+	wdev_lock(wdev);
+
+	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;
+		}
+	}
+
+	if (done) {
+		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);
+
+void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
+{
+	u16 status_code;
+	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 *ie = mgmt->u.assoc_resp.variable;
+	int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
+	struct cfg80211_internal_bss *bss = NULL;
+
+	wdev_lock(wdev);
+
+	status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
+
+	/*
+	 * This is a bit of a hack, we don't notify userspace of
+	 * a (re-)association reply if we tried to send a reassoc
+	 * and got a reject -- we only try again with an assoc
+	 * frame instead of reassoc.
+	 */
+	if (status_code != WLAN_STATUS_SUCCESS && wdev->conn &&
+	    cfg80211_sme_failed_reassoc(wdev))
+		goto out;
+
+	nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL);
+
+	if (status_code == WLAN_STATUS_SUCCESS) {
+		for (i = 0; i < MAX_AUTH_BSSES; i++) {
+			if (!wdev->auth_bsses[i])
+				continue;
+			if (memcmp(wdev->auth_bsses[i]->pub.bssid, mgmt->bssid,
+				   ETH_ALEN) == 0) {
+				bss = wdev->auth_bsses[i];
+				wdev->auth_bsses[i] = NULL;
+				/* additional reference to drop hold */
+				cfg80211_ref_bss(bss);
+				break;
+			}
+		}
+
+		/*
+		 * We might be coming here because the driver reported
+		 * a successful association at the same time as the
+		 * user requested a deauth. In that case, we will have
+		 * removed the BSS from the auth_bsses list due to the
+		 * deauth request when the assoc response makes it. If
+		 * the two code paths acquire the lock the other way
+		 * around, that's just the standard situation of a
+		 * deauth being requested while connected.
+		 */
+		if (!bss)
+			goto out;
+	} else if (wdev->conn) {
+		cfg80211_sme_failed_assoc(wdev);
+		/*
+		 * do not call connect_result() now because the
+		 * sme will schedule work that does it later.
+		 */
+		goto out;
+	}
+
+	if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) {
+		/*
+		 * This is for the userspace SME, the CONNECTING
+		 * state will be changed to CONNECTED by
+		 * __cfg80211_connect_result() below.
+		 */
+		wdev->sme_state = CFG80211_SME_CONNECTING;
+	}
+
+	/* this consumes one bss reference (unless bss is NULL) */
+	__cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
+				  status_code,
+				  status_code == WLAN_STATUS_SUCCESS,
+				  bss ? &bss->pub : NULL);
+	/* drop hold now, and also reference acquired above */
+	if (bss) {
+		cfg80211_unhold_bss(bss);
+		cfg80211_put_bss(&bss->pub);
+	}
+
+ out:
+	wdev_unlock(wdev);
+}
+EXPORT_SYMBOL(cfg80211_send_rx_assoc);
+
+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;
+	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 found = false, was_current = false;
+
+	ASSERT_WDEV_LOCK(wdev);
+
+	if (wdev->current_bss &&
+	    memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
+		cfg80211_unhold_bss(wdev->current_bss);
+		cfg80211_put_bss(&wdev->current_bss->pub);
+		wdev->current_bss = NULL;
+		found = true;
+		was_current = true;
+	} 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;
+			found = true;
+			break;
+		}
+		if (wdev->authtry_bsses[i] &&
+		    memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid,
+			   ETH_ALEN) == 0 &&
+		    memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) == 0) {
+			cfg80211_unhold_bss(wdev->authtry_bsses[i]);
+			cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
+			wdev->authtry_bsses[i] = NULL;
+			found = true;
+			break;
+		}
+	}
+
+	if (!found)
+		return;
+
+	nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
+
+	if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) {
+		u16 reason_code;
+		bool from_ap;
+
+		reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
+
+		from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
+		__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,
+					  false, NULL);
+	}
+}
+EXPORT_SYMBOL(__cfg80211_send_deauth);
+
+void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	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)
+{
+	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;
+	const u8 *bssid = mgmt->bssid;
+	int i;
+	u16 reason_code;
+	bool from_ap;
+	bool done = false;
+
+	ASSERT_WDEV_LOCK(wdev);
+
+	nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
+
+	if (wdev->sme_state != CFG80211_SME_CONNECTED)
+		return;
+
+	if (wdev->current_bss &&
+	    memcmp(wdev->current_bss->pub.bssid, 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);
+
+
+	reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+
+	from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
+	__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+}
+EXPORT_SYMBOL(__cfg80211_send_disassoc);
+
+void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	wdev_lock(wdev);
+	__cfg80211_send_disassoc(dev, buf, len);
+	wdev_unlock(wdev);
+}
+EXPORT_SYMBOL(cfg80211_send_disassoc);
+
+void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf,
+				 size_t len)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC);
+}
+EXPORT_SYMBOL(cfg80211_send_unprot_deauth);
+
+void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf,
+				   size_t len)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC);
+}
+EXPORT_SYMBOL(cfg80211_send_unprot_disassoc);
+
+static void __cfg80211_auth_remove(struct wireless_dev *wdev, const u8 *addr)
+{
+	int i;
+	bool done = false;
+
+	ASSERT_WDEV_LOCK(wdev);
+
+	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);
+}
+
+void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr)
+{
+	__cfg80211_auth_remove(dev->ieee80211_ptr, addr);
+}
+EXPORT_SYMBOL(__cfg80211_auth_canceled);
+
+void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	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,
+					  false, NULL);
+
+	__cfg80211_auth_remove(wdev, addr);
+
+	wdev_unlock(wdev);
+}
+EXPORT_SYMBOL(cfg80211_send_auth_timeout);
+
+void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr)
+{
+	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;
+
+	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,
+					  false, NULL);
+
+	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);
+
+	wdev_unlock(wdev);
+}
+EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
+
+void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
+				  enum nl80211_key_type key_type, int key_id,
+				  const u8 *tsc, gfp_t gfp)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+#ifdef CONFIG_CFG80211_WEXT
+	union iwreq_data wrqu;
+	char *buf = kmalloc(128, gfp);
+
+	if (buf) {
+		sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
+			"keyid=%d %scast addr=%pM)", key_id,
+			key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni",
+			addr);
+		memset(&wrqu, 0, sizeof(wrqu));
+		wrqu.data.length = strlen(buf);
+		wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
+		kfree(buf);
+	}
+#endif
+
+	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,
+			 const u8 *key, int key_len, int key_idx,
+			 bool local_state_change)
+{
+	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 (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
+		if (!key || !key_len || key_idx < 0 || key_idx > 4)
+			return -EINVAL;
+
+	if (wdev->current_bss &&
+	    memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0)
+		return -EALREADY;
+
+	for (i = 0; i < MAX_AUTH_BSSES; i++) {
+		if (wdev->authtry_bsses[i] &&
+		    memcmp(bssid, wdev->authtry_bsses[i]->pub.bssid,
+						ETH_ALEN) == 0)
+			return -EALREADY;
+		if (wdev->auth_bsses[i] &&
+		    memcmp(bssid, wdev->auth_bsses[i]->pub.bssid,
+						ETH_ALEN) == 0)
+			return -EALREADY;
+	}
+
+	memset(&req, 0, sizeof(req));
+
+	req.local_state_change = local_state_change;
+	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);
+	req.key = key;
+	req.key_len = key_len;
+	req.key_idx = key_idx;
+	if (!req.bss)
+		return -ENOENT;
+
+	bss = bss_from_pub(req.bss);
+
+	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;
+	}
+
+	if (local_state_change)
+		wdev->auth_bsses[slot] = bss;
+	else
+		wdev->authtry_bsses[slot] = bss;
+	cfg80211_hold_bss(bss);
+
+	err = rdev->ops->auth(&rdev->wiphy, dev, &req);
+	if (err) {
+		if (local_state_change)
+			wdev->auth_bsses[slot] = NULL;
+		else
+			wdev->authtry_bsses[slot] = NULL;
+		cfg80211_unhold_bss(bss);
+	}
+
+ out:
+	if (err)
+		cfg80211_put_bss(req.bss);
+	return err;
+}
+
+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,
+		       const u8 *key, int key_len, int key_idx,
+		       bool local_state_change)
+{
+	int err;
+
+	wdev_lock(dev->ieee80211_ptr);
+	err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
+				   ssid, ssid_len, ie, ie_len,
+				   key, key_len, key_idx, local_state_change);
+	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;
+	bool was_connected = false;
+
+	ASSERT_WDEV_LOCK(wdev);
+
+	memset(&req, 0, sizeof(req));
+
+	if (wdev->current_bss && prev_bssid &&
+	    memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) {
+		/*
+		 * Trying to reassociate: Allow this to proceed and let the old
+		 * association to be dropped when the new one is completed.
+		 */
+		if (wdev->sme_state == CFG80211_SME_CONNECTED) {
+			was_connected = true;
+			wdev->sme_state = CFG80211_SME_CONNECTING;
+		}
+	} else 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.prev_bssid = prev_bssid;
+	req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
+				   WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+	if (!req.bss) {
+		if (was_connected)
+			wdev->sme_state = CFG80211_SME_CONNECTED;
+		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:
+	if (err && was_connected)
+		wdev->sme_state = CFG80211_SME_CONNECTED;
+	/* still a reference in wdev->auth_bsses[slot] */
+	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 *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,
+			   bool local_state_change)
+{
+	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.local_state_change = local_state_change;
+	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, wdev);
+}
+
+int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
+			 struct net_device *dev, const u8 *bssid,
+			 const u8 *ie, int ie_len, u16 reason,
+			 bool local_state_change)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	int err;
+
+	wdev_lock(wdev);
+	err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason,
+				     local_state_change);
+	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,
+				    bool local_state_change)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct cfg80211_disassoc_request req;
+
+	ASSERT_WDEV_LOCK(wdev);
+
+	if (wdev->sme_state != CFG80211_SME_CONNECTED)
+		return -ENOTCONN;
+
+	if (WARN_ON(!wdev->current_bss))
+		return -ENOTCONN;
+
+	memset(&req, 0, sizeof(req));
+	req.reason_code = reason;
+	req.local_state_change = local_state_change;
+	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, 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,
+			   bool local_state_change)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	int err;
+
+	wdev_lock(wdev);
+	err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason,
+				       local_state_change);
+	wdev_unlock(wdev);
+
+	return err;
+}
+
+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;
+
+	ASSERT_WDEV_LOCK(wdev);
+
+	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, wdev);
+		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, wdev);
+			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, wdev);
+			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;
+			}
+		}
+	}
+}
+
+void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie,
+			       struct ieee80211_channel *chan,
+			       enum nl80211_channel_type channel_type,
+			       unsigned int duration, gfp_t gfp)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_send_remain_on_channel(rdev, dev, cookie, chan, channel_type,
+				       duration, gfp);
+}
+EXPORT_SYMBOL(cfg80211_ready_on_channel);
+
+void cfg80211_remain_on_channel_expired(struct net_device *dev,
+					u64 cookie,
+					struct ieee80211_channel *chan,
+					enum nl80211_channel_type channel_type,
+					gfp_t gfp)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_send_remain_on_channel_cancel(rdev, dev, cookie, chan,
+					      channel_type, gfp);
+}
+EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
+
+void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
+		      struct station_info *sinfo, gfp_t gfp)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp);
+}
+EXPORT_SYMBOL(cfg80211_new_sta);
+
+void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_del_sta);
+
+struct cfg80211_mgmt_registration {
+	struct list_head list;
+
+	u32 nlpid;
+
+	int match_len;
+
+	__le16 frame_type;
+
+	u8 match[];
+};
+
+int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
+				u16 frame_type, const u8 *match_data,
+				int match_len)
+{
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+	struct cfg80211_mgmt_registration *reg, *nreg;
+	int err = 0;
+	u16 mgmt_type;
+
+	if (!wdev->wiphy->mgmt_stypes)
+		return -EOPNOTSUPP;
+
+	if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT)
+		return -EINVAL;
+
+	if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE))
+		return -EINVAL;
+
+	mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
+	if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type)))
+		return -EINVAL;
+
+	nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL);
+	if (!nreg)
+		return -ENOMEM;
+
+	spin_lock_bh(&wdev->mgmt_registrations_lock);
+
+	list_for_each_entry(reg, &wdev->mgmt_registrations, list) {
+		int mlen = min(match_len, reg->match_len);
+
+		if (frame_type != le16_to_cpu(reg->frame_type))
+			continue;
+
+		if (memcmp(reg->match, match_data, mlen) == 0) {
+			err = -EALREADY;
+			break;
+		}
+	}
+
+	if (err) {
+		kfree(nreg);
+		goto out;
+	}
+
+	memcpy(nreg->match, match_data, match_len);
+	nreg->match_len = match_len;
+	nreg->nlpid = snd_pid;
+	nreg->frame_type = cpu_to_le16(frame_type);
+	list_add(&nreg->list, &wdev->mgmt_registrations);
+
+	if (rdev->ops->mgmt_frame_register)
+		rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
+					       frame_type, true);
+
+ out:
+	spin_unlock_bh(&wdev->mgmt_registrations_lock);
+
+	return err;
+}
+
+void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid)
+{
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+	struct cfg80211_mgmt_registration *reg, *tmp;
+
+	spin_lock_bh(&wdev->mgmt_registrations_lock);
+
+	list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
+		if (reg->nlpid != nlpid)
+			continue;
+
+		if (rdev->ops->mgmt_frame_register) {
+			u16 frame_type = le16_to_cpu(reg->frame_type);
+
+			rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
+						       frame_type, false);
+		}
+
+		list_del(&reg->list);
+		kfree(reg);
+	}
+
+	spin_unlock_bh(&wdev->mgmt_registrations_lock);
+
+	if (nlpid == wdev->ap_unexpected_nlpid)
+		wdev->ap_unexpected_nlpid = 0;
+}
+
+void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
+{
+	struct cfg80211_mgmt_registration *reg, *tmp;
+
+	spin_lock_bh(&wdev->mgmt_registrations_lock);
+
+	list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
+		list_del(&reg->list);
+		kfree(reg);
+	}
+
+	spin_unlock_bh(&wdev->mgmt_registrations_lock);
+}
+
+int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
+			  struct net_device *dev,
+			  struct ieee80211_channel *chan, bool offchan,
+			  enum nl80211_channel_type channel_type,
+			  bool channel_type_valid, unsigned int wait,
+			  const u8 *buf, size_t len, bool no_cck,
+			  bool dont_wait_for_ack, u64 *cookie)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	const struct ieee80211_mgmt *mgmt;
+	u16 stype;
+
+	if (!wdev->wiphy->mgmt_stypes)
+		return -EOPNOTSUPP;
+
+	if (!rdev->ops->mgmt_tx)
+		return -EOPNOTSUPP;
+
+	if (len < 24 + 1)
+		return -EINVAL;
+
+	mgmt = (const struct ieee80211_mgmt *) buf;
+
+	if (!ieee80211_is_mgmt(mgmt->frame_control))
+		return -EINVAL;
+
+	stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+	if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4)))
+		return -EINVAL;
+
+	if (ieee80211_is_action(mgmt->frame_control) &&
+	    mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) {
+		int err = 0;
+
+		wdev_lock(wdev);
+
+		switch (wdev->iftype) {
+		case NL80211_IFTYPE_ADHOC:
+		case NL80211_IFTYPE_STATION:
+		case NL80211_IFTYPE_P2P_CLIENT:
+			if (!wdev->current_bss) {
+				err = -ENOTCONN;
+				break;
+			}
+
+			if (memcmp(wdev->current_bss->pub.bssid,
+				   mgmt->bssid, ETH_ALEN)) {
+				err = -ENOTCONN;
+				break;
+			}
+
+			/*
+			 * check for IBSS DA must be done by driver as
+			 * cfg80211 doesn't track the stations
+			 */
+			if (wdev->iftype == NL80211_IFTYPE_ADHOC)
+				break;
+
+			/* for station, check that DA is the AP */
+			if (memcmp(wdev->current_bss->pub.bssid,
+				   mgmt->da, ETH_ALEN)) {
+				err = -ENOTCONN;
+				break;
+			}
+			break;
+		case NL80211_IFTYPE_AP:
+		case NL80211_IFTYPE_P2P_GO:
+		case NL80211_IFTYPE_AP_VLAN:
+			if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
+				err = -EINVAL;
+			break;
+		case NL80211_IFTYPE_MESH_POINT:
+			if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) {
+				err = -EINVAL;
+				break;
+			}
+			/*
+			 * check for mesh DA must be done by driver as
+			 * cfg80211 doesn't track the stations
+			 */
+			break;
+		default:
+			err = -EOPNOTSUPP;
+			break;
+		}
+		wdev_unlock(wdev);
+
+		if (err)
+			return err;
+	}
+
+	if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)
+		return -EINVAL;
+
+	/* Transmit the Action frame as requested by user space */
+	return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan,
+				  channel_type, channel_type_valid,
+				  wait, buf, len, no_cck, dont_wait_for_ack,
+				  cookie);
+}
+
+bool cfg80211_rx_mgmt(struct net_device *dev, int freq, const u8 *buf,
+		      size_t len, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+	struct cfg80211_mgmt_registration *reg;
+	const struct ieee80211_txrx_stypes *stypes =
+		&wiphy->mgmt_stypes[wdev->iftype];
+	struct ieee80211_mgmt *mgmt = (void *)buf;
+	const u8 *data;
+	int data_len;
+	bool result = false;
+	__le16 ftype = mgmt->frame_control &
+		cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE);
+	u16 stype;
+
+	stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4;
+
+	if (!(stypes->rx & BIT(stype)))
+		return false;
+
+	data = buf + ieee80211_hdrlen(mgmt->frame_control);
+	data_len = len - ieee80211_hdrlen(mgmt->frame_control);
+
+	spin_lock_bh(&wdev->mgmt_registrations_lock);
+
+	list_for_each_entry(reg, &wdev->mgmt_registrations, list) {
+		if (reg->frame_type != ftype)
+			continue;
+
+		if (reg->match_len > data_len)
+			continue;
+
+		if (memcmp(reg->match, data, reg->match_len))
+			continue;
+
+		/* found match! */
+
+		/* Indicate the received Action frame to user space */
+		if (nl80211_send_mgmt(rdev, dev, reg->nlpid, freq,
+				      buf, len, gfp))
+			continue;
+
+		result = true;
+		break;
+	}
+
+	spin_unlock_bh(&wdev->mgmt_registrations_lock);
+
+	return result;
+}
+EXPORT_SYMBOL(cfg80211_rx_mgmt);
+
+void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie,
+			     const u8 *buf, size_t len, bool ack, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	/* Indicate TX status of the Action frame to user space */
+	nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp);
+}
+EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
+
+void cfg80211_cqm_rssi_notify(struct net_device *dev,
+			      enum nl80211_cqm_rssi_threshold_event rssi_event,
+			      gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	/* Indicate roaming trigger event to user space */
+	nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp);
+}
+EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
+
+void cfg80211_cqm_pktloss_notify(struct net_device *dev,
+				 const u8 *peer, u32 num_packets, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	/* Indicate roaming trigger event to user space */
+	nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp);
+}
+EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
+
+void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
+			       const u8 *replay_ctr, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
+
+void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
+				     const u8 *bssid, bool preauth, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
+}
+EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
+
+bool cfg80211_rx_spurious_frame(struct net_device *dev,
+				const u8 *addr, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
+		    wdev->iftype != NL80211_IFTYPE_P2P_GO))
+		return false;
+
+	return nl80211_unexpected_frame(dev, addr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
+
+bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
+					const u8 *addr, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
+		    wdev->iftype != NL80211_IFTYPE_P2P_GO &&
+		    wdev->iftype != NL80211_IFTYPE_AP_VLAN))
+		return false;
+
+	return nl80211_unexpected_4addr_frame(dev, addr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);