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-rwxr-xr-xnet/wireless_ath/mlme.c1140
1 files changed, 0 insertions, 1140 deletions
diff --git a/net/wireless_ath/mlme.c b/net/wireless_ath/mlme.c
deleted file mode 100755
index 6c1bafd..0000000
--- a/net/wireless_ath/mlme.c
+++ /dev/null
@@ -1,1140 +0,0 @@
-/*
- * 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);